1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3 
4 #include <linux/acpi.h>
5 #include <linux/device.h>
6 #include <linux/etherdevice.h>
7 #include <linux/init.h>
8 #include <linux/interrupt.h>
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/netdevice.h>
12 #include <linux/pci.h>
13 #include <linux/platform_device.h>
14 #include <linux/if_vlan.h>
15 #include <linux/crash_dump.h>
16 #include <net/ipv6.h>
17 #include <net/rtnetlink.h>
18 #include "hclge_cmd.h"
19 #include "hclge_dcb.h"
20 #include "hclge_main.h"
21 #include "hclge_mbx.h"
22 #include "hclge_mdio.h"
23 #include "hclge_regs.h"
24 #include "hclge_tm.h"
25 #include "hclge_err.h"
26 #include "hnae3.h"
27 #include "hclge_devlink.h"
28 #include "hclge_comm_cmd.h"
29 
30 #define HCLGE_NAME			"hclge"
31 
32 #define HCLGE_BUF_SIZE_UNIT	256U
33 #define HCLGE_BUF_MUL_BY	2
34 #define HCLGE_BUF_DIV_BY	2
35 #define NEED_RESERVE_TC_NUM	2
36 #define BUF_MAX_PERCENT		100
37 #define BUF_RESERVE_PERCENT	90
38 
39 #define HCLGE_RESET_MAX_FAIL_CNT	5
40 #define HCLGE_RESET_SYNC_TIME		100
41 #define HCLGE_PF_RESET_SYNC_TIME	20
42 #define HCLGE_PF_RESET_SYNC_CNT		1500
43 
44 #define HCLGE_LINK_STATUS_MS	10
45 
46 static int hclge_set_mac_mtu(struct hclge_dev *hdev, int new_mps);
47 static int hclge_init_vlan_config(struct hclge_dev *hdev);
48 static void hclge_sync_vlan_filter(struct hclge_dev *hdev);
49 static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev);
50 static bool hclge_get_hw_reset_stat(struct hnae3_handle *handle);
51 static void hclge_rfs_filter_expire(struct hclge_dev *hdev);
52 static int hclge_clear_arfs_rules(struct hclge_dev *hdev);
53 static enum hnae3_reset_type hclge_get_reset_level(struct hnae3_ae_dev *ae_dev,
54 						   unsigned long *addr);
55 static int hclge_set_default_loopback(struct hclge_dev *hdev);
56 
57 static void hclge_sync_mac_table(struct hclge_dev *hdev);
58 static void hclge_restore_hw_table(struct hclge_dev *hdev);
59 static void hclge_sync_promisc_mode(struct hclge_dev *hdev);
60 static void hclge_sync_fd_table(struct hclge_dev *hdev);
61 static void hclge_update_fec_stats(struct hclge_dev *hdev);
62 static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret,
63 				      int wait_cnt);
64 static int hclge_update_port_info(struct hclge_dev *hdev);
65 
66 static struct hnae3_ae_algo ae_algo;
67 
68 static struct workqueue_struct *hclge_wq;
69 
70 static const struct pci_device_id ae_algo_pci_tbl[] = {
71 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_GE), 0},
72 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE), 0},
73 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA), 0},
74 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA_MACSEC), 0},
75 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA), 0},
76 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA_MACSEC), 0},
77 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_MACSEC), 0},
78 	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_200G_RDMA), 0},
79 	/* required last entry */
80 	{0, }
81 };
82 
83 MODULE_DEVICE_TABLE(pci, ae_algo_pci_tbl);
84 
85 static const char hns3_nic_test_strs[][ETH_GSTRING_LEN] = {
86 	"External Loopback test",
87 	"App      Loopback test",
88 	"Serdes   serial Loopback test",
89 	"Serdes   parallel Loopback test",
90 	"Phy      Loopback test"
91 };
92 
93 static const struct hclge_comm_stats_str g_mac_stats_string[] = {
94 	{"mac_tx_mac_pause_num", HCLGE_MAC_STATS_MAX_NUM_V1,
95 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_mac_pause_num)},
96 	{"mac_rx_mac_pause_num", HCLGE_MAC_STATS_MAX_NUM_V1,
97 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_mac_pause_num)},
98 	{"mac_tx_pause_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
99 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pause_xoff_time)},
100 	{"mac_rx_pause_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
101 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pause_xoff_time)},
102 	{"mac_tx_control_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
103 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_ctrl_pkt_num)},
104 	{"mac_rx_control_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
105 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_ctrl_pkt_num)},
106 	{"mac_tx_pfc_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
107 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pause_pkt_num)},
108 	{"mac_tx_pfc_pri0_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
109 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri0_pkt_num)},
110 	{"mac_tx_pfc_pri1_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
111 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri1_pkt_num)},
112 	{"mac_tx_pfc_pri2_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
113 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri2_pkt_num)},
114 	{"mac_tx_pfc_pri3_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
115 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri3_pkt_num)},
116 	{"mac_tx_pfc_pri4_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
117 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri4_pkt_num)},
118 	{"mac_tx_pfc_pri5_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
119 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri5_pkt_num)},
120 	{"mac_tx_pfc_pri6_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
121 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri6_pkt_num)},
122 	{"mac_tx_pfc_pri7_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
123 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri7_pkt_num)},
124 	{"mac_tx_pfc_pri0_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
125 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri0_xoff_time)},
126 	{"mac_tx_pfc_pri1_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
127 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri1_xoff_time)},
128 	{"mac_tx_pfc_pri2_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
129 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri2_xoff_time)},
130 	{"mac_tx_pfc_pri3_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
131 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri3_xoff_time)},
132 	{"mac_tx_pfc_pri4_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
133 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri4_xoff_time)},
134 	{"mac_tx_pfc_pri5_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
135 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri5_xoff_time)},
136 	{"mac_tx_pfc_pri6_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
137 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri6_xoff_time)},
138 	{"mac_tx_pfc_pri7_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
139 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri7_xoff_time)},
140 	{"mac_rx_pfc_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
141 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pause_pkt_num)},
142 	{"mac_rx_pfc_pri0_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
143 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri0_pkt_num)},
144 	{"mac_rx_pfc_pri1_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
145 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri1_pkt_num)},
146 	{"mac_rx_pfc_pri2_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
147 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri2_pkt_num)},
148 	{"mac_rx_pfc_pri3_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
149 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri3_pkt_num)},
150 	{"mac_rx_pfc_pri4_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
151 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri4_pkt_num)},
152 	{"mac_rx_pfc_pri5_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
153 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri5_pkt_num)},
154 	{"mac_rx_pfc_pri6_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
155 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri6_pkt_num)},
156 	{"mac_rx_pfc_pri7_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
157 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri7_pkt_num)},
158 	{"mac_rx_pfc_pri0_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
159 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri0_xoff_time)},
160 	{"mac_rx_pfc_pri1_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
161 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri1_xoff_time)},
162 	{"mac_rx_pfc_pri2_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
163 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri2_xoff_time)},
164 	{"mac_rx_pfc_pri3_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
165 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri3_xoff_time)},
166 	{"mac_rx_pfc_pri4_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
167 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri4_xoff_time)},
168 	{"mac_rx_pfc_pri5_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
169 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri5_xoff_time)},
170 	{"mac_rx_pfc_pri6_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
171 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri6_xoff_time)},
172 	{"mac_rx_pfc_pri7_xoff_time", HCLGE_MAC_STATS_MAX_NUM_V2,
173 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri7_xoff_time)},
174 	{"mac_tx_total_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
175 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_total_pkt_num)},
176 	{"mac_tx_total_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
177 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_total_oct_num)},
178 	{"mac_tx_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
179 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_good_pkt_num)},
180 	{"mac_tx_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
181 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_bad_pkt_num)},
182 	{"mac_tx_good_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
183 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_good_oct_num)},
184 	{"mac_tx_bad_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
185 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_bad_oct_num)},
186 	{"mac_tx_uni_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
187 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_uni_pkt_num)},
188 	{"mac_tx_multi_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
189 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_multi_pkt_num)},
190 	{"mac_tx_broad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
191 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_broad_pkt_num)},
192 	{"mac_tx_undersize_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
193 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_undersize_pkt_num)},
194 	{"mac_tx_oversize_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
195 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_oversize_pkt_num)},
196 	{"mac_tx_64_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
197 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_64_oct_pkt_num)},
198 	{"mac_tx_65_127_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
199 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_65_127_oct_pkt_num)},
200 	{"mac_tx_128_255_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
201 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_128_255_oct_pkt_num)},
202 	{"mac_tx_256_511_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
203 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_256_511_oct_pkt_num)},
204 	{"mac_tx_512_1023_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
205 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_512_1023_oct_pkt_num)},
206 	{"mac_tx_1024_1518_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
207 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_1024_1518_oct_pkt_num)},
208 	{"mac_tx_1519_2047_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
209 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_1519_2047_oct_pkt_num)},
210 	{"mac_tx_2048_4095_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
211 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_2048_4095_oct_pkt_num)},
212 	{"mac_tx_4096_8191_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
213 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_4096_8191_oct_pkt_num)},
214 	{"mac_tx_8192_9216_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
215 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_8192_9216_oct_pkt_num)},
216 	{"mac_tx_9217_12287_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
217 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_9217_12287_oct_pkt_num)},
218 	{"mac_tx_12288_16383_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
219 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_12288_16383_oct_pkt_num)},
220 	{"mac_tx_1519_max_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
221 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_1519_max_good_oct_pkt_num)},
222 	{"mac_tx_1519_max_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
223 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_1519_max_bad_oct_pkt_num)},
224 	{"mac_rx_total_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
225 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_total_pkt_num)},
226 	{"mac_rx_total_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
227 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_total_oct_num)},
228 	{"mac_rx_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
229 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_good_pkt_num)},
230 	{"mac_rx_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
231 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_bad_pkt_num)},
232 	{"mac_rx_good_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
233 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_good_oct_num)},
234 	{"mac_rx_bad_oct_num", HCLGE_MAC_STATS_MAX_NUM_V1,
235 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_bad_oct_num)},
236 	{"mac_rx_uni_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
237 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_uni_pkt_num)},
238 	{"mac_rx_multi_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
239 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_multi_pkt_num)},
240 	{"mac_rx_broad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
241 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_broad_pkt_num)},
242 	{"mac_rx_undersize_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
243 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_undersize_pkt_num)},
244 	{"mac_rx_oversize_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
245 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_oversize_pkt_num)},
246 	{"mac_rx_64_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
247 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_64_oct_pkt_num)},
248 	{"mac_rx_65_127_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
249 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_65_127_oct_pkt_num)},
250 	{"mac_rx_128_255_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
251 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_128_255_oct_pkt_num)},
252 	{"mac_rx_256_511_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
253 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_256_511_oct_pkt_num)},
254 	{"mac_rx_512_1023_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
255 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_512_1023_oct_pkt_num)},
256 	{"mac_rx_1024_1518_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
257 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_1024_1518_oct_pkt_num)},
258 	{"mac_rx_1519_2047_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
259 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_1519_2047_oct_pkt_num)},
260 	{"mac_rx_2048_4095_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
261 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_2048_4095_oct_pkt_num)},
262 	{"mac_rx_4096_8191_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
263 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_4096_8191_oct_pkt_num)},
264 	{"mac_rx_8192_9216_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
265 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_8192_9216_oct_pkt_num)},
266 	{"mac_rx_9217_12287_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
267 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_9217_12287_oct_pkt_num)},
268 	{"mac_rx_12288_16383_oct_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
269 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_12288_16383_oct_pkt_num)},
270 	{"mac_rx_1519_max_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
271 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_1519_max_good_oct_pkt_num)},
272 	{"mac_rx_1519_max_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
273 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_1519_max_bad_oct_pkt_num)},
274 
275 	{"mac_tx_fragment_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
276 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_fragment_pkt_num)},
277 	{"mac_tx_undermin_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
278 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_undermin_pkt_num)},
279 	{"mac_tx_jabber_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
280 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_jabber_pkt_num)},
281 	{"mac_tx_err_all_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
282 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_err_all_pkt_num)},
283 	{"mac_tx_from_app_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
284 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_from_app_good_pkt_num)},
285 	{"mac_tx_from_app_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
286 		HCLGE_MAC_STATS_FIELD_OFF(mac_tx_from_app_bad_pkt_num)},
287 	{"mac_rx_fragment_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
288 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_fragment_pkt_num)},
289 	{"mac_rx_undermin_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
290 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_undermin_pkt_num)},
291 	{"mac_rx_jabber_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
292 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_jabber_pkt_num)},
293 	{"mac_rx_fcs_err_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
294 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_fcs_err_pkt_num)},
295 	{"mac_rx_send_app_good_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
296 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_send_app_good_pkt_num)},
297 	{"mac_rx_send_app_bad_pkt_num", HCLGE_MAC_STATS_MAX_NUM_V1,
298 		HCLGE_MAC_STATS_FIELD_OFF(mac_rx_send_app_bad_pkt_num)}
299 };
300 
301 static const struct hclge_mac_mgr_tbl_entry_cmd hclge_mgr_table[] = {
302 	{
303 		.flags = HCLGE_MAC_MGR_MASK_VLAN_B,
304 		.ethter_type = cpu_to_le16(ETH_P_LLDP),
305 		.mac_addr = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e},
306 		.i_port_bitmap = 0x1,
307 	},
308 };
309 
310 static const struct key_info meta_data_key_info[] = {
311 	{ PACKET_TYPE_ID, 6 },
312 	{ IP_FRAGEMENT, 1 },
313 	{ ROCE_TYPE, 1 },
314 	{ NEXT_KEY, 5 },
315 	{ VLAN_NUMBER, 2 },
316 	{ SRC_VPORT, 12 },
317 	{ DST_VPORT, 12 },
318 	{ TUNNEL_PACKET, 1 },
319 };
320 
321 static const struct key_info tuple_key_info[] = {
322 	{ OUTER_DST_MAC, 48, KEY_OPT_MAC, -1, -1 },
323 	{ OUTER_SRC_MAC, 48, KEY_OPT_MAC, -1, -1 },
324 	{ OUTER_VLAN_TAG_FST, 16, KEY_OPT_LE16, -1, -1 },
325 	{ OUTER_VLAN_TAG_SEC, 16, KEY_OPT_LE16, -1, -1 },
326 	{ OUTER_ETH_TYPE, 16, KEY_OPT_LE16, -1, -1 },
327 	{ OUTER_L2_RSV, 16, KEY_OPT_LE16, -1, -1 },
328 	{ OUTER_IP_TOS, 8, KEY_OPT_U8, -1, -1 },
329 	{ OUTER_IP_PROTO, 8, KEY_OPT_U8, -1, -1 },
330 	{ OUTER_SRC_IP, 32, KEY_OPT_IP, -1, -1 },
331 	{ OUTER_DST_IP, 32, KEY_OPT_IP, -1, -1 },
332 	{ OUTER_L3_RSV, 16, KEY_OPT_LE16, -1, -1 },
333 	{ OUTER_SRC_PORT, 16, KEY_OPT_LE16, -1, -1 },
334 	{ OUTER_DST_PORT, 16, KEY_OPT_LE16, -1, -1 },
335 	{ OUTER_L4_RSV, 32, KEY_OPT_LE32, -1, -1 },
336 	{ OUTER_TUN_VNI, 24, KEY_OPT_VNI, -1, -1 },
337 	{ OUTER_TUN_FLOW_ID, 8, KEY_OPT_U8, -1, -1 },
338 	{ INNER_DST_MAC, 48, KEY_OPT_MAC,
339 	  offsetof(struct hclge_fd_rule, tuples.dst_mac),
340 	  offsetof(struct hclge_fd_rule, tuples_mask.dst_mac) },
341 	{ INNER_SRC_MAC, 48, KEY_OPT_MAC,
342 	  offsetof(struct hclge_fd_rule, tuples.src_mac),
343 	  offsetof(struct hclge_fd_rule, tuples_mask.src_mac) },
344 	{ INNER_VLAN_TAG_FST, 16, KEY_OPT_LE16,
345 	  offsetof(struct hclge_fd_rule, tuples.vlan_tag1),
346 	  offsetof(struct hclge_fd_rule, tuples_mask.vlan_tag1) },
347 	{ INNER_VLAN_TAG_SEC, 16, KEY_OPT_LE16, -1, -1 },
348 	{ INNER_ETH_TYPE, 16, KEY_OPT_LE16,
349 	  offsetof(struct hclge_fd_rule, tuples.ether_proto),
350 	  offsetof(struct hclge_fd_rule, tuples_mask.ether_proto) },
351 	{ INNER_L2_RSV, 16, KEY_OPT_LE16,
352 	  offsetof(struct hclge_fd_rule, tuples.l2_user_def),
353 	  offsetof(struct hclge_fd_rule, tuples_mask.l2_user_def) },
354 	{ INNER_IP_TOS, 8, KEY_OPT_U8,
355 	  offsetof(struct hclge_fd_rule, tuples.ip_tos),
356 	  offsetof(struct hclge_fd_rule, tuples_mask.ip_tos) },
357 	{ INNER_IP_PROTO, 8, KEY_OPT_U8,
358 	  offsetof(struct hclge_fd_rule, tuples.ip_proto),
359 	  offsetof(struct hclge_fd_rule, tuples_mask.ip_proto) },
360 	{ INNER_SRC_IP, 32, KEY_OPT_IP,
361 	  offsetof(struct hclge_fd_rule, tuples.src_ip),
362 	  offsetof(struct hclge_fd_rule, tuples_mask.src_ip) },
363 	{ INNER_DST_IP, 32, KEY_OPT_IP,
364 	  offsetof(struct hclge_fd_rule, tuples.dst_ip),
365 	  offsetof(struct hclge_fd_rule, tuples_mask.dst_ip) },
366 	{ INNER_L3_RSV, 16, KEY_OPT_LE16,
367 	  offsetof(struct hclge_fd_rule, tuples.l3_user_def),
368 	  offsetof(struct hclge_fd_rule, tuples_mask.l3_user_def) },
369 	{ INNER_SRC_PORT, 16, KEY_OPT_LE16,
370 	  offsetof(struct hclge_fd_rule, tuples.src_port),
371 	  offsetof(struct hclge_fd_rule, tuples_mask.src_port) },
372 	{ INNER_DST_PORT, 16, KEY_OPT_LE16,
373 	  offsetof(struct hclge_fd_rule, tuples.dst_port),
374 	  offsetof(struct hclge_fd_rule, tuples_mask.dst_port) },
375 	{ INNER_L4_RSV, 32, KEY_OPT_LE32,
376 	  offsetof(struct hclge_fd_rule, tuples.l4_user_def),
377 	  offsetof(struct hclge_fd_rule, tuples_mask.l4_user_def) },
378 };
379 
380 /**
381  * hclge_cmd_send - send command to command queue
382  * @hw: pointer to the hw struct
383  * @desc: prefilled descriptor for describing the command
384  * @num : the number of descriptors to be sent
385  *
386  * This is the main send command for command queue, it
387  * sends the queue, cleans the queue, etc
388  **/
hclge_cmd_send(struct hclge_hw * hw,struct hclge_desc * desc,int num)389 int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num)
390 {
391 	return hclge_comm_cmd_send(&hw->hw, desc, num);
392 }
393 
hclge_mac_update_stats_defective(struct hclge_dev * hdev)394 static int hclge_mac_update_stats_defective(struct hclge_dev *hdev)
395 {
396 #define HCLGE_MAC_CMD_NUM 21
397 
398 	u64 *data = (u64 *)(&hdev->mac_stats);
399 	struct hclge_desc desc[HCLGE_MAC_CMD_NUM];
400 	__le64 *desc_data;
401 	u32 data_size;
402 	int ret;
403 	u32 i;
404 
405 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_STATS_MAC, true);
406 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_MAC_CMD_NUM);
407 	if (ret) {
408 		dev_err(&hdev->pdev->dev,
409 			"Get MAC pkt stats fail, status = %d.\n", ret);
410 
411 		return ret;
412 	}
413 
414 	/* The first desc has a 64-bit header, so data size need to minus 1 */
415 	data_size = sizeof(desc) / (sizeof(u64)) - 1;
416 
417 	desc_data = (__le64 *)(&desc[0].data[0]);
418 	for (i = 0; i < data_size; i++) {
419 		/* data memory is continuous becase only the first desc has a
420 		 * header in this command
421 		 */
422 		*data += le64_to_cpu(*desc_data);
423 		data++;
424 		desc_data++;
425 	}
426 
427 	return 0;
428 }
429 
hclge_mac_update_stats_complete(struct hclge_dev * hdev)430 static int hclge_mac_update_stats_complete(struct hclge_dev *hdev)
431 {
432 #define HCLGE_REG_NUM_PER_DESC		4
433 
434 	u32 reg_num = hdev->ae_dev->dev_specs.mac_stats_num;
435 	u64 *data = (u64 *)(&hdev->mac_stats);
436 	struct hclge_desc *desc;
437 	__le64 *desc_data;
438 	u32 data_size;
439 	u32 desc_num;
440 	int ret;
441 	u32 i;
442 
443 	/* The first desc has a 64-bit header, so need to consider it */
444 	desc_num = reg_num / HCLGE_REG_NUM_PER_DESC + 1;
445 
446 	/* This may be called inside atomic sections,
447 	 * so GFP_ATOMIC is more suitalbe here
448 	 */
449 	desc = kcalloc(desc_num, sizeof(struct hclge_desc), GFP_ATOMIC);
450 	if (!desc)
451 		return -ENOMEM;
452 
453 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_STATS_MAC_ALL, true);
454 	ret = hclge_cmd_send(&hdev->hw, desc, desc_num);
455 	if (ret) {
456 		kfree(desc);
457 		return ret;
458 	}
459 
460 	data_size = min_t(u32, sizeof(hdev->mac_stats) / sizeof(u64), reg_num);
461 
462 	desc_data = (__le64 *)(&desc[0].data[0]);
463 	for (i = 0; i < data_size; i++) {
464 		/* data memory is continuous becase only the first desc has a
465 		 * header in this command
466 		 */
467 		*data += le64_to_cpu(*desc_data);
468 		data++;
469 		desc_data++;
470 	}
471 
472 	kfree(desc);
473 
474 	return 0;
475 }
476 
hclge_mac_query_reg_num(struct hclge_dev * hdev,u32 * reg_num)477 static int hclge_mac_query_reg_num(struct hclge_dev *hdev, u32 *reg_num)
478 {
479 	struct hclge_desc desc;
480 	int ret;
481 
482 	/* Driver needs total register number of both valid registers and
483 	 * reserved registers, but the old firmware only returns number
484 	 * of valid registers in device V2. To be compatible with these
485 	 * devices, driver uses a fixed value.
486 	 */
487 	if (hdev->ae_dev->dev_version == HNAE3_DEVICE_VERSION_V2) {
488 		*reg_num = HCLGE_MAC_STATS_MAX_NUM_V1;
489 		return 0;
490 	}
491 
492 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_MAC_REG_NUM, true);
493 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
494 	if (ret) {
495 		dev_err(&hdev->pdev->dev,
496 			"failed to query mac statistic reg number, ret = %d\n",
497 			ret);
498 		return ret;
499 	}
500 
501 	*reg_num = le32_to_cpu(desc.data[0]);
502 	if (*reg_num == 0) {
503 		dev_err(&hdev->pdev->dev,
504 			"mac statistic reg number is invalid!\n");
505 		return -ENODATA;
506 	}
507 
508 	return 0;
509 }
510 
hclge_mac_update_stats(struct hclge_dev * hdev)511 int hclge_mac_update_stats(struct hclge_dev *hdev)
512 {
513 	/* The firmware supports the new statistics acquisition method */
514 	if (hdev->ae_dev->dev_specs.mac_stats_num)
515 		return hclge_mac_update_stats_complete(hdev);
516 	else
517 		return hclge_mac_update_stats_defective(hdev);
518 }
519 
hclge_comm_get_count(struct hclge_dev * hdev,const struct hclge_comm_stats_str strs[],u32 size)520 static int hclge_comm_get_count(struct hclge_dev *hdev,
521 				const struct hclge_comm_stats_str strs[],
522 				u32 size)
523 {
524 	int count = 0;
525 	u32 i;
526 
527 	for (i = 0; i < size; i++)
528 		if (strs[i].stats_num <= hdev->ae_dev->dev_specs.mac_stats_num)
529 			count++;
530 
531 	return count;
532 }
533 
hclge_comm_get_stats(struct hclge_dev * hdev,const struct hclge_comm_stats_str strs[],int size,u64 * data)534 static u64 *hclge_comm_get_stats(struct hclge_dev *hdev,
535 				 const struct hclge_comm_stats_str strs[],
536 				 int size, u64 *data)
537 {
538 	u64 *buf = data;
539 	u32 i;
540 
541 	for (i = 0; i < size; i++) {
542 		if (strs[i].stats_num > hdev->ae_dev->dev_specs.mac_stats_num)
543 			continue;
544 
545 		*buf = HCLGE_STATS_READ(&hdev->mac_stats, strs[i].offset);
546 		buf++;
547 	}
548 
549 	return buf;
550 }
551 
hclge_comm_get_strings(struct hclge_dev * hdev,u32 stringset,const struct hclge_comm_stats_str strs[],int size,u8 * data)552 static u8 *hclge_comm_get_strings(struct hclge_dev *hdev, u32 stringset,
553 				  const struct hclge_comm_stats_str strs[],
554 				  int size, u8 *data)
555 {
556 	char *buff = (char *)data;
557 	u32 i;
558 
559 	if (stringset != ETH_SS_STATS)
560 		return buff;
561 
562 	for (i = 0; i < size; i++) {
563 		if (strs[i].stats_num > hdev->ae_dev->dev_specs.mac_stats_num)
564 			continue;
565 
566 		snprintf(buff, ETH_GSTRING_LEN, "%s", strs[i].desc);
567 		buff = buff + ETH_GSTRING_LEN;
568 	}
569 
570 	return (u8 *)buff;
571 }
572 
hclge_update_stats_for_all(struct hclge_dev * hdev)573 static void hclge_update_stats_for_all(struct hclge_dev *hdev)
574 {
575 	struct hnae3_handle *handle;
576 	int status;
577 
578 	handle = &hdev->vport[0].nic;
579 	if (handle->client) {
580 		status = hclge_comm_tqps_update_stats(handle, &hdev->hw.hw);
581 		if (status) {
582 			dev_err(&hdev->pdev->dev,
583 				"Update TQPS stats fail, status = %d.\n",
584 				status);
585 		}
586 	}
587 
588 	hclge_update_fec_stats(hdev);
589 
590 	status = hclge_mac_update_stats(hdev);
591 	if (status)
592 		dev_err(&hdev->pdev->dev,
593 			"Update MAC stats fail, status = %d.\n", status);
594 }
595 
hclge_update_stats(struct hnae3_handle * handle)596 static void hclge_update_stats(struct hnae3_handle *handle)
597 {
598 	struct hclge_vport *vport = hclge_get_vport(handle);
599 	struct hclge_dev *hdev = vport->back;
600 	int status;
601 
602 	if (test_and_set_bit(HCLGE_STATE_STATISTICS_UPDATING, &hdev->state))
603 		return;
604 
605 	status = hclge_mac_update_stats(hdev);
606 	if (status)
607 		dev_err(&hdev->pdev->dev,
608 			"Update MAC stats fail, status = %d.\n",
609 			status);
610 
611 	status = hclge_comm_tqps_update_stats(handle, &hdev->hw.hw);
612 	if (status)
613 		dev_err(&hdev->pdev->dev,
614 			"Update TQPS stats fail, status = %d.\n",
615 			status);
616 
617 	clear_bit(HCLGE_STATE_STATISTICS_UPDATING, &hdev->state);
618 }
619 
hclge_get_sset_count(struct hnae3_handle * handle,int stringset)620 static int hclge_get_sset_count(struct hnae3_handle *handle, int stringset)
621 {
622 #define HCLGE_LOOPBACK_TEST_FLAGS (HNAE3_SUPPORT_APP_LOOPBACK | \
623 		HNAE3_SUPPORT_PHY_LOOPBACK | \
624 		HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK | \
625 		HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK | \
626 		HNAE3_SUPPORT_EXTERNAL_LOOPBACK)
627 
628 	struct hclge_vport *vport = hclge_get_vport(handle);
629 	struct hclge_dev *hdev = vport->back;
630 	int count = 0;
631 
632 	/* Loopback test support rules:
633 	 * mac: only GE mode support
634 	 * serdes: all mac mode will support include GE/XGE/LGE/CGE
635 	 * phy: only support when phy device exist on board
636 	 */
637 	if (stringset == ETH_SS_TEST) {
638 		/* clear loopback bit flags at first */
639 		handle->flags = (handle->flags & (~HCLGE_LOOPBACK_TEST_FLAGS));
640 		if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2 ||
641 		    hdev->hw.mac.speed == HCLGE_MAC_SPEED_10M ||
642 		    hdev->hw.mac.speed == HCLGE_MAC_SPEED_100M ||
643 		    hdev->hw.mac.speed == HCLGE_MAC_SPEED_1G) {
644 			count += 1;
645 			handle->flags |= HNAE3_SUPPORT_APP_LOOPBACK;
646 		}
647 
648 		count += 1;
649 		handle->flags |= HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
650 		count += 1;
651 		handle->flags |= HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
652 		count += 1;
653 		handle->flags |= HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
654 
655 		if ((hdev->hw.mac.phydev && hdev->hw.mac.phydev->drv &&
656 		     hdev->hw.mac.phydev->drv->set_loopback) ||
657 		    hnae3_dev_phy_imp_supported(hdev)) {
658 			count += 1;
659 			handle->flags |= HNAE3_SUPPORT_PHY_LOOPBACK;
660 		}
661 	} else if (stringset == ETH_SS_STATS) {
662 		count = hclge_comm_get_count(hdev, g_mac_stats_string,
663 					     ARRAY_SIZE(g_mac_stats_string)) +
664 			hclge_comm_tqps_get_sset_count(handle);
665 	}
666 
667 	return count;
668 }
669 
hclge_get_strings(struct hnae3_handle * handle,u32 stringset,u8 * data)670 static void hclge_get_strings(struct hnae3_handle *handle, u32 stringset,
671 			      u8 *data)
672 {
673 	struct hclge_vport *vport = hclge_get_vport(handle);
674 	struct hclge_dev *hdev = vport->back;
675 	u8 *p = (char *)data;
676 	int size;
677 
678 	if (stringset == ETH_SS_STATS) {
679 		size = ARRAY_SIZE(g_mac_stats_string);
680 		p = hclge_comm_get_strings(hdev, stringset, g_mac_stats_string,
681 					   size, p);
682 		p = hclge_comm_tqps_get_strings(handle, p);
683 	} else if (stringset == ETH_SS_TEST) {
684 		if (handle->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK) {
685 			memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_EXTERNAL],
686 			       ETH_GSTRING_LEN);
687 			p += ETH_GSTRING_LEN;
688 		}
689 		if (handle->flags & HNAE3_SUPPORT_APP_LOOPBACK) {
690 			memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_APP],
691 			       ETH_GSTRING_LEN);
692 			p += ETH_GSTRING_LEN;
693 		}
694 		if (handle->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK) {
695 			memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_SERIAL_SERDES],
696 			       ETH_GSTRING_LEN);
697 			p += ETH_GSTRING_LEN;
698 		}
699 		if (handle->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK) {
700 			memcpy(p,
701 			       hns3_nic_test_strs[HNAE3_LOOP_PARALLEL_SERDES],
702 			       ETH_GSTRING_LEN);
703 			p += ETH_GSTRING_LEN;
704 		}
705 		if (handle->flags & HNAE3_SUPPORT_PHY_LOOPBACK) {
706 			memcpy(p, hns3_nic_test_strs[HNAE3_LOOP_PHY],
707 			       ETH_GSTRING_LEN);
708 			p += ETH_GSTRING_LEN;
709 		}
710 	}
711 }
712 
hclge_get_stats(struct hnae3_handle * handle,u64 * data)713 static void hclge_get_stats(struct hnae3_handle *handle, u64 *data)
714 {
715 	struct hclge_vport *vport = hclge_get_vport(handle);
716 	struct hclge_dev *hdev = vport->back;
717 	u64 *p;
718 
719 	p = hclge_comm_get_stats(hdev, g_mac_stats_string,
720 				 ARRAY_SIZE(g_mac_stats_string), data);
721 	p = hclge_comm_tqps_get_stats(handle, p);
722 }
723 
hclge_get_mac_stat(struct hnae3_handle * handle,struct hns3_mac_stats * mac_stats)724 static void hclge_get_mac_stat(struct hnae3_handle *handle,
725 			       struct hns3_mac_stats *mac_stats)
726 {
727 	struct hclge_vport *vport = hclge_get_vport(handle);
728 	struct hclge_dev *hdev = vport->back;
729 
730 	hclge_update_stats(handle);
731 
732 	mac_stats->tx_pause_cnt = hdev->mac_stats.mac_tx_mac_pause_num;
733 	mac_stats->rx_pause_cnt = hdev->mac_stats.mac_rx_mac_pause_num;
734 }
735 
hclge_parse_func_status(struct hclge_dev * hdev,struct hclge_func_status_cmd * status)736 static int hclge_parse_func_status(struct hclge_dev *hdev,
737 				   struct hclge_func_status_cmd *status)
738 {
739 #define HCLGE_MAC_ID_MASK	0xF
740 
741 	if (!(status->pf_state & HCLGE_PF_STATE_DONE))
742 		return -EINVAL;
743 
744 	/* Set the pf to main pf */
745 	if (status->pf_state & HCLGE_PF_STATE_MAIN)
746 		hdev->flag |= HCLGE_FLAG_MAIN;
747 	else
748 		hdev->flag &= ~HCLGE_FLAG_MAIN;
749 
750 	hdev->hw.mac.mac_id = status->mac_id & HCLGE_MAC_ID_MASK;
751 	return 0;
752 }
753 
hclge_query_function_status(struct hclge_dev * hdev)754 static int hclge_query_function_status(struct hclge_dev *hdev)
755 {
756 #define HCLGE_QUERY_MAX_CNT	5
757 
758 	struct hclge_func_status_cmd *req;
759 	struct hclge_desc desc;
760 	int timeout = 0;
761 	int ret;
762 
763 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_FUNC_STATUS, true);
764 	req = (struct hclge_func_status_cmd *)desc.data;
765 
766 	do {
767 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
768 		if (ret) {
769 			dev_err(&hdev->pdev->dev,
770 				"query function status failed %d.\n", ret);
771 			return ret;
772 		}
773 
774 		/* Check pf reset is done */
775 		if (req->pf_state)
776 			break;
777 		usleep_range(1000, 2000);
778 	} while (timeout++ < HCLGE_QUERY_MAX_CNT);
779 
780 	return hclge_parse_func_status(hdev, req);
781 }
782 
hclge_query_pf_resource(struct hclge_dev * hdev)783 static int hclge_query_pf_resource(struct hclge_dev *hdev)
784 {
785 	struct hclge_pf_res_cmd *req;
786 	struct hclge_desc desc;
787 	int ret;
788 
789 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_PF_RSRC, true);
790 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
791 	if (ret) {
792 		dev_err(&hdev->pdev->dev,
793 			"query pf resource failed %d.\n", ret);
794 		return ret;
795 	}
796 
797 	req = (struct hclge_pf_res_cmd *)desc.data;
798 	hdev->num_tqps = le16_to_cpu(req->tqp_num) +
799 			 le16_to_cpu(req->ext_tqp_num);
800 	hdev->pkt_buf_size = le16_to_cpu(req->buf_size) << HCLGE_BUF_UNIT_S;
801 
802 	if (req->tx_buf_size)
803 		hdev->tx_buf_size =
804 			le16_to_cpu(req->tx_buf_size) << HCLGE_BUF_UNIT_S;
805 	else
806 		hdev->tx_buf_size = HCLGE_DEFAULT_TX_BUF;
807 
808 	hdev->tx_buf_size = roundup(hdev->tx_buf_size, HCLGE_BUF_SIZE_UNIT);
809 
810 	if (req->dv_buf_size)
811 		hdev->dv_buf_size =
812 			le16_to_cpu(req->dv_buf_size) << HCLGE_BUF_UNIT_S;
813 	else
814 		hdev->dv_buf_size = HCLGE_DEFAULT_DV;
815 
816 	hdev->dv_buf_size = roundup(hdev->dv_buf_size, HCLGE_BUF_SIZE_UNIT);
817 
818 	hdev->num_nic_msi = le16_to_cpu(req->msixcap_localid_number_nic);
819 	if (hdev->num_nic_msi < HNAE3_MIN_VECTOR_NUM) {
820 		dev_err(&hdev->pdev->dev,
821 			"only %u msi resources available, not enough for pf(min:2).\n",
822 			hdev->num_nic_msi);
823 		return -EINVAL;
824 	}
825 
826 	if (hnae3_dev_roce_supported(hdev)) {
827 		hdev->num_roce_msi =
828 			le16_to_cpu(req->pf_intr_vector_number_roce);
829 
830 		/* PF should have NIC vectors and Roce vectors,
831 		 * NIC vectors are queued before Roce vectors.
832 		 */
833 		hdev->num_msi = hdev->num_nic_msi + hdev->num_roce_msi;
834 	} else {
835 		hdev->num_msi = hdev->num_nic_msi;
836 	}
837 
838 	return 0;
839 }
840 
hclge_parse_speed(u8 speed_cmd,u32 * speed)841 static int hclge_parse_speed(u8 speed_cmd, u32 *speed)
842 {
843 	switch (speed_cmd) {
844 	case HCLGE_FW_MAC_SPEED_10M:
845 		*speed = HCLGE_MAC_SPEED_10M;
846 		break;
847 	case HCLGE_FW_MAC_SPEED_100M:
848 		*speed = HCLGE_MAC_SPEED_100M;
849 		break;
850 	case HCLGE_FW_MAC_SPEED_1G:
851 		*speed = HCLGE_MAC_SPEED_1G;
852 		break;
853 	case HCLGE_FW_MAC_SPEED_10G:
854 		*speed = HCLGE_MAC_SPEED_10G;
855 		break;
856 	case HCLGE_FW_MAC_SPEED_25G:
857 		*speed = HCLGE_MAC_SPEED_25G;
858 		break;
859 	case HCLGE_FW_MAC_SPEED_40G:
860 		*speed = HCLGE_MAC_SPEED_40G;
861 		break;
862 	case HCLGE_FW_MAC_SPEED_50G:
863 		*speed = HCLGE_MAC_SPEED_50G;
864 		break;
865 	case HCLGE_FW_MAC_SPEED_100G:
866 		*speed = HCLGE_MAC_SPEED_100G;
867 		break;
868 	case HCLGE_FW_MAC_SPEED_200G:
869 		*speed = HCLGE_MAC_SPEED_200G;
870 		break;
871 	default:
872 		return -EINVAL;
873 	}
874 
875 	return 0;
876 }
877 
878 static const struct hclge_speed_bit_map speed_bit_map[] = {
879 	{HCLGE_MAC_SPEED_10M, HCLGE_SUPPORT_10M_BIT},
880 	{HCLGE_MAC_SPEED_100M, HCLGE_SUPPORT_100M_BIT},
881 	{HCLGE_MAC_SPEED_1G, HCLGE_SUPPORT_1G_BIT},
882 	{HCLGE_MAC_SPEED_10G, HCLGE_SUPPORT_10G_BIT},
883 	{HCLGE_MAC_SPEED_25G, HCLGE_SUPPORT_25G_BIT},
884 	{HCLGE_MAC_SPEED_40G, HCLGE_SUPPORT_40G_BIT},
885 	{HCLGE_MAC_SPEED_50G, HCLGE_SUPPORT_50G_BIT},
886 	{HCLGE_MAC_SPEED_100G, HCLGE_SUPPORT_100G_BIT},
887 	{HCLGE_MAC_SPEED_200G, HCLGE_SUPPORT_200G_BIT},
888 };
889 
hclge_get_speed_bit(u32 speed,u32 * speed_bit)890 static int hclge_get_speed_bit(u32 speed, u32 *speed_bit)
891 {
892 	u16 i;
893 
894 	for (i = 0; i < ARRAY_SIZE(speed_bit_map); i++) {
895 		if (speed == speed_bit_map[i].speed) {
896 			*speed_bit = speed_bit_map[i].speed_bit;
897 			return 0;
898 		}
899 	}
900 
901 	return -EINVAL;
902 }
903 
hclge_check_port_speed(struct hnae3_handle * handle,u32 speed)904 static int hclge_check_port_speed(struct hnae3_handle *handle, u32 speed)
905 {
906 	struct hclge_vport *vport = hclge_get_vport(handle);
907 	struct hclge_dev *hdev = vport->back;
908 	u32 speed_ability = hdev->hw.mac.speed_ability;
909 	u32 speed_bit = 0;
910 	int ret;
911 
912 	ret = hclge_get_speed_bit(speed, &speed_bit);
913 	if (ret)
914 		return ret;
915 
916 	if (speed_bit & speed_ability)
917 		return 0;
918 
919 	return -EINVAL;
920 }
921 
hclge_update_fec_support(struct hclge_mac * mac)922 static void hclge_update_fec_support(struct hclge_mac *mac)
923 {
924 	linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT, mac->supported);
925 	linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT, mac->supported);
926 	linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT, mac->supported);
927 	linkmode_clear_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
928 
929 	if (mac->fec_ability & BIT(HNAE3_FEC_BASER))
930 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
931 				 mac->supported);
932 	if (mac->fec_ability & BIT(HNAE3_FEC_RS))
933 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
934 				 mac->supported);
935 	if (mac->fec_ability & BIT(HNAE3_FEC_LLRS))
936 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
937 				 mac->supported);
938 	if (mac->fec_ability & BIT(HNAE3_FEC_NONE))
939 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
940 				 mac->supported);
941 }
942 
hclge_convert_setting_sr(u16 speed_ability,unsigned long * link_mode)943 static void hclge_convert_setting_sr(u16 speed_ability,
944 				     unsigned long *link_mode)
945 {
946 	if (speed_ability & HCLGE_SUPPORT_10G_BIT)
947 		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
948 				 link_mode);
949 	if (speed_ability & HCLGE_SUPPORT_25G_BIT)
950 		linkmode_set_bit(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
951 				 link_mode);
952 	if (speed_ability & HCLGE_SUPPORT_40G_BIT)
953 		linkmode_set_bit(ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
954 				 link_mode);
955 	if (speed_ability & HCLGE_SUPPORT_50G_BIT)
956 		linkmode_set_bit(ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
957 				 link_mode);
958 	if (speed_ability & HCLGE_SUPPORT_100G_BIT)
959 		linkmode_set_bit(ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
960 				 link_mode);
961 	if (speed_ability & HCLGE_SUPPORT_200G_BIT)
962 		linkmode_set_bit(ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
963 				 link_mode);
964 }
965 
hclge_convert_setting_lr(u16 speed_ability,unsigned long * link_mode)966 static void hclge_convert_setting_lr(u16 speed_ability,
967 				     unsigned long *link_mode)
968 {
969 	if (speed_ability & HCLGE_SUPPORT_10G_BIT)
970 		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
971 				 link_mode);
972 	if (speed_ability & HCLGE_SUPPORT_25G_BIT)
973 		linkmode_set_bit(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
974 				 link_mode);
975 	if (speed_ability & HCLGE_SUPPORT_50G_BIT)
976 		linkmode_set_bit(ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
977 				 link_mode);
978 	if (speed_ability & HCLGE_SUPPORT_40G_BIT)
979 		linkmode_set_bit(ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
980 				 link_mode);
981 	if (speed_ability & HCLGE_SUPPORT_100G_BIT)
982 		linkmode_set_bit(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
983 				 link_mode);
984 	if (speed_ability & HCLGE_SUPPORT_200G_BIT)
985 		linkmode_set_bit(
986 			ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
987 			link_mode);
988 }
989 
hclge_convert_setting_cr(u16 speed_ability,unsigned long * link_mode)990 static void hclge_convert_setting_cr(u16 speed_ability,
991 				     unsigned long *link_mode)
992 {
993 	if (speed_ability & HCLGE_SUPPORT_10G_BIT)
994 		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
995 				 link_mode);
996 	if (speed_ability & HCLGE_SUPPORT_25G_BIT)
997 		linkmode_set_bit(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
998 				 link_mode);
999 	if (speed_ability & HCLGE_SUPPORT_40G_BIT)
1000 		linkmode_set_bit(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
1001 				 link_mode);
1002 	if (speed_ability & HCLGE_SUPPORT_50G_BIT)
1003 		linkmode_set_bit(ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
1004 				 link_mode);
1005 	if (speed_ability & HCLGE_SUPPORT_100G_BIT)
1006 		linkmode_set_bit(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
1007 				 link_mode);
1008 	if (speed_ability & HCLGE_SUPPORT_200G_BIT)
1009 		linkmode_set_bit(ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
1010 				 link_mode);
1011 }
1012 
hclge_convert_setting_kr(u16 speed_ability,unsigned long * link_mode)1013 static void hclge_convert_setting_kr(u16 speed_ability,
1014 				     unsigned long *link_mode)
1015 {
1016 	if (speed_ability & HCLGE_SUPPORT_1G_BIT)
1017 		linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
1018 				 link_mode);
1019 	if (speed_ability & HCLGE_SUPPORT_10G_BIT)
1020 		linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
1021 				 link_mode);
1022 	if (speed_ability & HCLGE_SUPPORT_25G_BIT)
1023 		linkmode_set_bit(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
1024 				 link_mode);
1025 	if (speed_ability & HCLGE_SUPPORT_40G_BIT)
1026 		linkmode_set_bit(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
1027 				 link_mode);
1028 	if (speed_ability & HCLGE_SUPPORT_50G_BIT)
1029 		linkmode_set_bit(ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
1030 				 link_mode);
1031 	if (speed_ability & HCLGE_SUPPORT_100G_BIT)
1032 		linkmode_set_bit(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
1033 				 link_mode);
1034 	if (speed_ability & HCLGE_SUPPORT_200G_BIT)
1035 		linkmode_set_bit(ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
1036 				 link_mode);
1037 }
1038 
hclge_convert_setting_fec(struct hclge_mac * mac)1039 static void hclge_convert_setting_fec(struct hclge_mac *mac)
1040 {
1041 	/* If firmware has reported fec_ability, don't need to convert by speed */
1042 	if (mac->fec_ability)
1043 		goto out;
1044 
1045 	switch (mac->speed) {
1046 	case HCLGE_MAC_SPEED_10G:
1047 	case HCLGE_MAC_SPEED_40G:
1048 		mac->fec_ability = BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_AUTO) |
1049 				   BIT(HNAE3_FEC_NONE);
1050 		break;
1051 	case HCLGE_MAC_SPEED_25G:
1052 	case HCLGE_MAC_SPEED_50G:
1053 		mac->fec_ability = BIT(HNAE3_FEC_BASER) | BIT(HNAE3_FEC_RS) |
1054 				   BIT(HNAE3_FEC_AUTO) | BIT(HNAE3_FEC_NONE);
1055 		break;
1056 	case HCLGE_MAC_SPEED_100G:
1057 		mac->fec_ability = BIT(HNAE3_FEC_RS) | BIT(HNAE3_FEC_AUTO) |
1058 				   BIT(HNAE3_FEC_NONE);
1059 		break;
1060 	case HCLGE_MAC_SPEED_200G:
1061 		mac->fec_ability = BIT(HNAE3_FEC_RS) | BIT(HNAE3_FEC_AUTO) |
1062 				   BIT(HNAE3_FEC_LLRS);
1063 		break;
1064 	default:
1065 		mac->fec_ability = 0;
1066 		break;
1067 	}
1068 
1069 out:
1070 	hclge_update_fec_support(mac);
1071 }
1072 
hclge_parse_fiber_link_mode(struct hclge_dev * hdev,u16 speed_ability)1073 static void hclge_parse_fiber_link_mode(struct hclge_dev *hdev,
1074 					u16 speed_ability)
1075 {
1076 	struct hclge_mac *mac = &hdev->hw.mac;
1077 
1078 	if (speed_ability & HCLGE_SUPPORT_1G_BIT)
1079 		linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
1080 				 mac->supported);
1081 
1082 	hclge_convert_setting_sr(speed_ability, mac->supported);
1083 	hclge_convert_setting_lr(speed_ability, mac->supported);
1084 	hclge_convert_setting_cr(speed_ability, mac->supported);
1085 	if (hnae3_dev_fec_supported(hdev))
1086 		hclge_convert_setting_fec(mac);
1087 
1088 	if (hnae3_dev_pause_supported(hdev))
1089 		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
1090 
1091 	linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, mac->supported);
1092 	linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
1093 }
1094 
hclge_parse_backplane_link_mode(struct hclge_dev * hdev,u16 speed_ability)1095 static void hclge_parse_backplane_link_mode(struct hclge_dev *hdev,
1096 					    u16 speed_ability)
1097 {
1098 	struct hclge_mac *mac = &hdev->hw.mac;
1099 
1100 	hclge_convert_setting_kr(speed_ability, mac->supported);
1101 	if (hnae3_dev_fec_supported(hdev))
1102 		hclge_convert_setting_fec(mac);
1103 
1104 	if (hnae3_dev_pause_supported(hdev))
1105 		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
1106 
1107 	linkmode_set_bit(ETHTOOL_LINK_MODE_Backplane_BIT, mac->supported);
1108 	linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
1109 }
1110 
hclge_parse_copper_link_mode(struct hclge_dev * hdev,u16 speed_ability)1111 static void hclge_parse_copper_link_mode(struct hclge_dev *hdev,
1112 					 u16 speed_ability)
1113 {
1114 	unsigned long *supported = hdev->hw.mac.supported;
1115 
1116 	/* default to support all speed for GE port */
1117 	if (!speed_ability)
1118 		speed_ability = HCLGE_SUPPORT_GE;
1119 
1120 	if (speed_ability & HCLGE_SUPPORT_1G_BIT)
1121 		linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1122 				 supported);
1123 
1124 	if (speed_ability & HCLGE_SUPPORT_100M_BIT) {
1125 		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
1126 				 supported);
1127 		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
1128 				 supported);
1129 	}
1130 
1131 	if (speed_ability & HCLGE_SUPPORT_10M_BIT) {
1132 		linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, supported);
1133 		linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, supported);
1134 	}
1135 
1136 	if (hnae3_dev_pause_supported(hdev)) {
1137 		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, supported);
1138 		linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, supported);
1139 	}
1140 
1141 	linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, supported);
1142 	linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, supported);
1143 }
1144 
hclge_parse_link_mode(struct hclge_dev * hdev,u16 speed_ability)1145 static void hclge_parse_link_mode(struct hclge_dev *hdev, u16 speed_ability)
1146 {
1147 	u8 media_type = hdev->hw.mac.media_type;
1148 
1149 	if (media_type == HNAE3_MEDIA_TYPE_FIBER)
1150 		hclge_parse_fiber_link_mode(hdev, speed_ability);
1151 	else if (media_type == HNAE3_MEDIA_TYPE_COPPER)
1152 		hclge_parse_copper_link_mode(hdev, speed_ability);
1153 	else if (media_type == HNAE3_MEDIA_TYPE_BACKPLANE)
1154 		hclge_parse_backplane_link_mode(hdev, speed_ability);
1155 }
1156 
hclge_get_max_speed(u16 speed_ability)1157 static u32 hclge_get_max_speed(u16 speed_ability)
1158 {
1159 	if (speed_ability & HCLGE_SUPPORT_200G_BIT)
1160 		return HCLGE_MAC_SPEED_200G;
1161 
1162 	if (speed_ability & HCLGE_SUPPORT_100G_BIT)
1163 		return HCLGE_MAC_SPEED_100G;
1164 
1165 	if (speed_ability & HCLGE_SUPPORT_50G_BIT)
1166 		return HCLGE_MAC_SPEED_50G;
1167 
1168 	if (speed_ability & HCLGE_SUPPORT_40G_BIT)
1169 		return HCLGE_MAC_SPEED_40G;
1170 
1171 	if (speed_ability & HCLGE_SUPPORT_25G_BIT)
1172 		return HCLGE_MAC_SPEED_25G;
1173 
1174 	if (speed_ability & HCLGE_SUPPORT_10G_BIT)
1175 		return HCLGE_MAC_SPEED_10G;
1176 
1177 	if (speed_ability & HCLGE_SUPPORT_1G_BIT)
1178 		return HCLGE_MAC_SPEED_1G;
1179 
1180 	if (speed_ability & HCLGE_SUPPORT_100M_BIT)
1181 		return HCLGE_MAC_SPEED_100M;
1182 
1183 	if (speed_ability & HCLGE_SUPPORT_10M_BIT)
1184 		return HCLGE_MAC_SPEED_10M;
1185 
1186 	return HCLGE_MAC_SPEED_1G;
1187 }
1188 
hclge_parse_cfg(struct hclge_cfg * cfg,struct hclge_desc * desc)1189 static void hclge_parse_cfg(struct hclge_cfg *cfg, struct hclge_desc *desc)
1190 {
1191 #define HCLGE_TX_SPARE_SIZE_UNIT		4096
1192 #define SPEED_ABILITY_EXT_SHIFT			8
1193 
1194 	struct hclge_cfg_param_cmd *req;
1195 	u64 mac_addr_tmp_high;
1196 	u16 speed_ability_ext;
1197 	u64 mac_addr_tmp;
1198 	unsigned int i;
1199 
1200 	req = (struct hclge_cfg_param_cmd *)desc[0].data;
1201 
1202 	/* get the configuration */
1203 	cfg->tc_num = hnae3_get_field(__le32_to_cpu(req->param[0]),
1204 				      HCLGE_CFG_TC_NUM_M, HCLGE_CFG_TC_NUM_S);
1205 	cfg->tqp_desc_num = hnae3_get_field(__le32_to_cpu(req->param[0]),
1206 					    HCLGE_CFG_TQP_DESC_N_M,
1207 					    HCLGE_CFG_TQP_DESC_N_S);
1208 
1209 	cfg->phy_addr = hnae3_get_field(__le32_to_cpu(req->param[1]),
1210 					HCLGE_CFG_PHY_ADDR_M,
1211 					HCLGE_CFG_PHY_ADDR_S);
1212 	cfg->media_type = hnae3_get_field(__le32_to_cpu(req->param[1]),
1213 					  HCLGE_CFG_MEDIA_TP_M,
1214 					  HCLGE_CFG_MEDIA_TP_S);
1215 	cfg->rx_buf_len = hnae3_get_field(__le32_to_cpu(req->param[1]),
1216 					  HCLGE_CFG_RX_BUF_LEN_M,
1217 					  HCLGE_CFG_RX_BUF_LEN_S);
1218 	/* get mac_address */
1219 	mac_addr_tmp = __le32_to_cpu(req->param[2]);
1220 	mac_addr_tmp_high = hnae3_get_field(__le32_to_cpu(req->param[3]),
1221 					    HCLGE_CFG_MAC_ADDR_H_M,
1222 					    HCLGE_CFG_MAC_ADDR_H_S);
1223 
1224 	mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
1225 
1226 	cfg->default_speed = hnae3_get_field(__le32_to_cpu(req->param[3]),
1227 					     HCLGE_CFG_DEFAULT_SPEED_M,
1228 					     HCLGE_CFG_DEFAULT_SPEED_S);
1229 	cfg->vf_rss_size_max = hnae3_get_field(__le32_to_cpu(req->param[3]),
1230 					       HCLGE_CFG_RSS_SIZE_M,
1231 					       HCLGE_CFG_RSS_SIZE_S);
1232 
1233 	for (i = 0; i < ETH_ALEN; i++)
1234 		cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
1235 
1236 	req = (struct hclge_cfg_param_cmd *)desc[1].data;
1237 	cfg->numa_node_map = __le32_to_cpu(req->param[0]);
1238 
1239 	cfg->speed_ability = hnae3_get_field(__le32_to_cpu(req->param[1]),
1240 					     HCLGE_CFG_SPEED_ABILITY_M,
1241 					     HCLGE_CFG_SPEED_ABILITY_S);
1242 	speed_ability_ext = hnae3_get_field(__le32_to_cpu(req->param[1]),
1243 					    HCLGE_CFG_SPEED_ABILITY_EXT_M,
1244 					    HCLGE_CFG_SPEED_ABILITY_EXT_S);
1245 	cfg->speed_ability |= speed_ability_ext << SPEED_ABILITY_EXT_SHIFT;
1246 
1247 	cfg->vlan_fliter_cap = hnae3_get_field(__le32_to_cpu(req->param[1]),
1248 					       HCLGE_CFG_VLAN_FLTR_CAP_M,
1249 					       HCLGE_CFG_VLAN_FLTR_CAP_S);
1250 
1251 	cfg->umv_space = hnae3_get_field(__le32_to_cpu(req->param[1]),
1252 					 HCLGE_CFG_UMV_TBL_SPACE_M,
1253 					 HCLGE_CFG_UMV_TBL_SPACE_S);
1254 
1255 	cfg->pf_rss_size_max = hnae3_get_field(__le32_to_cpu(req->param[2]),
1256 					       HCLGE_CFG_PF_RSS_SIZE_M,
1257 					       HCLGE_CFG_PF_RSS_SIZE_S);
1258 
1259 	/* HCLGE_CFG_PF_RSS_SIZE_M is the PF max rss size, which is a
1260 	 * power of 2, instead of reading out directly. This would
1261 	 * be more flexible for future changes and expansions.
1262 	 * When VF max  rss size field is HCLGE_CFG_RSS_SIZE_S,
1263 	 * it does not make sense if PF's field is 0. In this case, PF and VF
1264 	 * has the same max rss size filed: HCLGE_CFG_RSS_SIZE_S.
1265 	 */
1266 	cfg->pf_rss_size_max = cfg->pf_rss_size_max ?
1267 			       1U << cfg->pf_rss_size_max :
1268 			       cfg->vf_rss_size_max;
1269 
1270 	/* The unit of the tx spare buffer size queried from configuration
1271 	 * file is HCLGE_TX_SPARE_SIZE_UNIT(4096) bytes, so a conversion is
1272 	 * needed here.
1273 	 */
1274 	cfg->tx_spare_buf_size = hnae3_get_field(__le32_to_cpu(req->param[2]),
1275 						 HCLGE_CFG_TX_SPARE_BUF_SIZE_M,
1276 						 HCLGE_CFG_TX_SPARE_BUF_SIZE_S);
1277 	cfg->tx_spare_buf_size *= HCLGE_TX_SPARE_SIZE_UNIT;
1278 }
1279 
1280 /* hclge_get_cfg: query the static parameter from flash
1281  * @hdev: pointer to struct hclge_dev
1282  * @hcfg: the config structure to be getted
1283  */
hclge_get_cfg(struct hclge_dev * hdev,struct hclge_cfg * hcfg)1284 static int hclge_get_cfg(struct hclge_dev *hdev, struct hclge_cfg *hcfg)
1285 {
1286 	struct hclge_desc desc[HCLGE_PF_CFG_DESC_NUM];
1287 	struct hclge_cfg_param_cmd *req;
1288 	unsigned int i;
1289 	int ret;
1290 
1291 	for (i = 0; i < HCLGE_PF_CFG_DESC_NUM; i++) {
1292 		u32 offset = 0;
1293 
1294 		req = (struct hclge_cfg_param_cmd *)desc[i].data;
1295 		hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_GET_CFG_PARAM,
1296 					   true);
1297 		hnae3_set_field(offset, HCLGE_CFG_OFFSET_M,
1298 				HCLGE_CFG_OFFSET_S, i * HCLGE_CFG_RD_LEN_BYTES);
1299 		/* Len should be united by 4 bytes when send to hardware */
1300 		hnae3_set_field(offset, HCLGE_CFG_RD_LEN_M, HCLGE_CFG_RD_LEN_S,
1301 				HCLGE_CFG_RD_LEN_BYTES / HCLGE_CFG_RD_LEN_UNIT);
1302 		req->offset = cpu_to_le32(offset);
1303 	}
1304 
1305 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_PF_CFG_DESC_NUM);
1306 	if (ret) {
1307 		dev_err(&hdev->pdev->dev, "get config failed %d.\n", ret);
1308 		return ret;
1309 	}
1310 
1311 	hclge_parse_cfg(hcfg, desc);
1312 
1313 	return 0;
1314 }
1315 
hclge_set_default_dev_specs(struct hclge_dev * hdev)1316 static void hclge_set_default_dev_specs(struct hclge_dev *hdev)
1317 {
1318 #define HCLGE_MAX_NON_TSO_BD_NUM			8U
1319 
1320 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
1321 
1322 	ae_dev->dev_specs.max_non_tso_bd_num = HCLGE_MAX_NON_TSO_BD_NUM;
1323 	ae_dev->dev_specs.rss_ind_tbl_size = HCLGE_RSS_IND_TBL_SIZE;
1324 	ae_dev->dev_specs.rss_key_size = HCLGE_COMM_RSS_KEY_SIZE;
1325 	ae_dev->dev_specs.max_tm_rate = HCLGE_ETHER_MAX_RATE;
1326 	ae_dev->dev_specs.max_int_gl = HCLGE_DEF_MAX_INT_GL;
1327 	ae_dev->dev_specs.max_frm_size = HCLGE_MAC_MAX_FRAME;
1328 	ae_dev->dev_specs.max_qset_num = HCLGE_MAX_QSET_NUM;
1329 	ae_dev->dev_specs.umv_size = HCLGE_DEFAULT_UMV_SPACE_PER_PF;
1330 	ae_dev->dev_specs.tnl_num = 0;
1331 }
1332 
hclge_parse_dev_specs(struct hclge_dev * hdev,struct hclge_desc * desc)1333 static void hclge_parse_dev_specs(struct hclge_dev *hdev,
1334 				  struct hclge_desc *desc)
1335 {
1336 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
1337 	struct hclge_dev_specs_0_cmd *req0;
1338 	struct hclge_dev_specs_1_cmd *req1;
1339 
1340 	req0 = (struct hclge_dev_specs_0_cmd *)desc[0].data;
1341 	req1 = (struct hclge_dev_specs_1_cmd *)desc[1].data;
1342 
1343 	ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num;
1344 	ae_dev->dev_specs.rss_ind_tbl_size =
1345 		le16_to_cpu(req0->rss_ind_tbl_size);
1346 	ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max);
1347 	ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size);
1348 	ae_dev->dev_specs.max_tm_rate = le32_to_cpu(req0->max_tm_rate);
1349 	ae_dev->dev_specs.max_qset_num = le16_to_cpu(req1->max_qset_num);
1350 	ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl);
1351 	ae_dev->dev_specs.max_frm_size = le16_to_cpu(req1->max_frm_size);
1352 	ae_dev->dev_specs.umv_size = le16_to_cpu(req1->umv_size);
1353 	ae_dev->dev_specs.mc_mac_size = le16_to_cpu(req1->mc_mac_size);
1354 	ae_dev->dev_specs.tnl_num = req1->tnl_num;
1355 }
1356 
hclge_check_dev_specs(struct hclge_dev * hdev)1357 static void hclge_check_dev_specs(struct hclge_dev *hdev)
1358 {
1359 	struct hnae3_dev_specs *dev_specs = &hdev->ae_dev->dev_specs;
1360 
1361 	if (!dev_specs->max_non_tso_bd_num)
1362 		dev_specs->max_non_tso_bd_num = HCLGE_MAX_NON_TSO_BD_NUM;
1363 	if (!dev_specs->rss_ind_tbl_size)
1364 		dev_specs->rss_ind_tbl_size = HCLGE_RSS_IND_TBL_SIZE;
1365 	if (!dev_specs->rss_key_size)
1366 		dev_specs->rss_key_size = HCLGE_COMM_RSS_KEY_SIZE;
1367 	if (!dev_specs->max_tm_rate)
1368 		dev_specs->max_tm_rate = HCLGE_ETHER_MAX_RATE;
1369 	if (!dev_specs->max_qset_num)
1370 		dev_specs->max_qset_num = HCLGE_MAX_QSET_NUM;
1371 	if (!dev_specs->max_int_gl)
1372 		dev_specs->max_int_gl = HCLGE_DEF_MAX_INT_GL;
1373 	if (!dev_specs->max_frm_size)
1374 		dev_specs->max_frm_size = HCLGE_MAC_MAX_FRAME;
1375 	if (!dev_specs->umv_size)
1376 		dev_specs->umv_size = HCLGE_DEFAULT_UMV_SPACE_PER_PF;
1377 }
1378 
hclge_query_mac_stats_num(struct hclge_dev * hdev)1379 static int hclge_query_mac_stats_num(struct hclge_dev *hdev)
1380 {
1381 	u32 reg_num = 0;
1382 	int ret;
1383 
1384 	ret = hclge_mac_query_reg_num(hdev, &reg_num);
1385 	if (ret && ret != -EOPNOTSUPP)
1386 		return ret;
1387 
1388 	hdev->ae_dev->dev_specs.mac_stats_num = reg_num;
1389 	return 0;
1390 }
1391 
hclge_query_dev_specs(struct hclge_dev * hdev)1392 static int hclge_query_dev_specs(struct hclge_dev *hdev)
1393 {
1394 	struct hclge_desc desc[HCLGE_QUERY_DEV_SPECS_BD_NUM];
1395 	int ret;
1396 	int i;
1397 
1398 	ret = hclge_query_mac_stats_num(hdev);
1399 	if (ret)
1400 		return ret;
1401 
1402 	/* set default specifications as devices lower than version V3 do not
1403 	 * support querying specifications from firmware.
1404 	 */
1405 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3) {
1406 		hclge_set_default_dev_specs(hdev);
1407 		return 0;
1408 	}
1409 
1410 	for (i = 0; i < HCLGE_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
1411 		hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_QUERY_DEV_SPECS,
1412 					   true);
1413 		desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1414 	}
1415 	hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_QUERY_DEV_SPECS, true);
1416 
1417 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_QUERY_DEV_SPECS_BD_NUM);
1418 	if (ret)
1419 		return ret;
1420 
1421 	hclge_parse_dev_specs(hdev, desc);
1422 	hclge_check_dev_specs(hdev);
1423 
1424 	return 0;
1425 }
1426 
hclge_get_cap(struct hclge_dev * hdev)1427 static int hclge_get_cap(struct hclge_dev *hdev)
1428 {
1429 	int ret;
1430 
1431 	ret = hclge_query_function_status(hdev);
1432 	if (ret) {
1433 		dev_err(&hdev->pdev->dev,
1434 			"query function status error %d.\n", ret);
1435 		return ret;
1436 	}
1437 
1438 	/* get pf resource */
1439 	return hclge_query_pf_resource(hdev);
1440 }
1441 
hclge_init_kdump_kernel_config(struct hclge_dev * hdev)1442 static void hclge_init_kdump_kernel_config(struct hclge_dev *hdev)
1443 {
1444 #define HCLGE_MIN_TX_DESC	64
1445 #define HCLGE_MIN_RX_DESC	64
1446 
1447 	if (!is_kdump_kernel())
1448 		return;
1449 
1450 	dev_info(&hdev->pdev->dev,
1451 		 "Running kdump kernel. Using minimal resources\n");
1452 
1453 	/* minimal queue pairs equals to the number of vports */
1454 	hdev->num_tqps = hdev->num_req_vfs + 1;
1455 	hdev->num_tx_desc = HCLGE_MIN_TX_DESC;
1456 	hdev->num_rx_desc = HCLGE_MIN_RX_DESC;
1457 }
1458 
hclge_init_tc_config(struct hclge_dev * hdev)1459 static void hclge_init_tc_config(struct hclge_dev *hdev)
1460 {
1461 	unsigned int i;
1462 
1463 	if (hdev->tc_max > HNAE3_MAX_TC ||
1464 	    hdev->tc_max < 1) {
1465 		dev_warn(&hdev->pdev->dev, "TC num = %u.\n",
1466 			 hdev->tc_max);
1467 		hdev->tc_max = 1;
1468 	}
1469 
1470 	/* Dev does not support DCB */
1471 	if (!hnae3_dev_dcb_supported(hdev)) {
1472 		hdev->tc_max = 1;
1473 		hdev->pfc_max = 0;
1474 	} else {
1475 		hdev->pfc_max = hdev->tc_max;
1476 	}
1477 
1478 	hdev->tm_info.num_tc = 1;
1479 
1480 	/* Currently not support uncontiuous tc */
1481 	for (i = 0; i < hdev->tm_info.num_tc; i++)
1482 		hnae3_set_bit(hdev->hw_tc_map, i, 1);
1483 
1484 	hdev->tx_sch_mode = HCLGE_FLAG_TC_BASE_SCH_MODE;
1485 }
1486 
hclge_configure(struct hclge_dev * hdev)1487 static int hclge_configure(struct hclge_dev *hdev)
1488 {
1489 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
1490 	struct hclge_cfg cfg;
1491 	int ret;
1492 
1493 	ret = hclge_get_cfg(hdev, &cfg);
1494 	if (ret)
1495 		return ret;
1496 
1497 	hdev->base_tqp_pid = 0;
1498 	hdev->vf_rss_size_max = cfg.vf_rss_size_max;
1499 	hdev->pf_rss_size_max = cfg.pf_rss_size_max;
1500 	hdev->rx_buf_len = cfg.rx_buf_len;
1501 	ether_addr_copy(hdev->hw.mac.mac_addr, cfg.mac_addr);
1502 	hdev->hw.mac.media_type = cfg.media_type;
1503 	hdev->hw.mac.phy_addr = cfg.phy_addr;
1504 	hdev->num_tx_desc = cfg.tqp_desc_num;
1505 	hdev->num_rx_desc = cfg.tqp_desc_num;
1506 	hdev->tm_info.num_pg = 1;
1507 	hdev->tc_max = cfg.tc_num;
1508 	hdev->tm_info.hw_pfc_map = 0;
1509 	if (cfg.umv_space)
1510 		hdev->wanted_umv_size = cfg.umv_space;
1511 	else
1512 		hdev->wanted_umv_size = hdev->ae_dev->dev_specs.umv_size;
1513 	hdev->tx_spare_buf_size = cfg.tx_spare_buf_size;
1514 	hdev->gro_en = true;
1515 	if (cfg.vlan_fliter_cap == HCLGE_VLAN_FLTR_CAN_MDF)
1516 		set_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps);
1517 
1518 	if (hnae3_ae_dev_fd_supported(hdev->ae_dev)) {
1519 		hdev->fd_en = true;
1520 		hdev->fd_active_type = HCLGE_FD_RULE_NONE;
1521 	}
1522 
1523 	ret = hclge_parse_speed(cfg.default_speed, &hdev->hw.mac.speed);
1524 	if (ret) {
1525 		dev_err(&hdev->pdev->dev, "failed to parse speed %u, ret = %d\n",
1526 			cfg.default_speed, ret);
1527 		return ret;
1528 	}
1529 	hdev->hw.mac.req_speed = hdev->hw.mac.speed;
1530 	hdev->hw.mac.req_autoneg = AUTONEG_ENABLE;
1531 	hdev->hw.mac.req_duplex = DUPLEX_FULL;
1532 
1533 	hclge_parse_link_mode(hdev, cfg.speed_ability);
1534 
1535 	hdev->hw.mac.max_speed = hclge_get_max_speed(cfg.speed_ability);
1536 
1537 	hclge_init_tc_config(hdev);
1538 	hclge_init_kdump_kernel_config(hdev);
1539 
1540 	return ret;
1541 }
1542 
hclge_config_tso(struct hclge_dev * hdev,u16 tso_mss_min,u16 tso_mss_max)1543 static int hclge_config_tso(struct hclge_dev *hdev, u16 tso_mss_min,
1544 			    u16 tso_mss_max)
1545 {
1546 	struct hclge_cfg_tso_status_cmd *req;
1547 	struct hclge_desc desc;
1548 
1549 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TSO_GENERIC_CONFIG, false);
1550 
1551 	req = (struct hclge_cfg_tso_status_cmd *)desc.data;
1552 	req->tso_mss_min = cpu_to_le16(tso_mss_min);
1553 	req->tso_mss_max = cpu_to_le16(tso_mss_max);
1554 
1555 	return hclge_cmd_send(&hdev->hw, &desc, 1);
1556 }
1557 
hclge_config_gro(struct hclge_dev * hdev)1558 static int hclge_config_gro(struct hclge_dev *hdev)
1559 {
1560 	struct hclge_cfg_gro_status_cmd *req;
1561 	struct hclge_desc desc;
1562 	int ret;
1563 
1564 	if (!hnae3_ae_dev_gro_supported(hdev->ae_dev))
1565 		return 0;
1566 
1567 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GRO_GENERIC_CONFIG, false);
1568 	req = (struct hclge_cfg_gro_status_cmd *)desc.data;
1569 
1570 	req->gro_en = hdev->gro_en ? 1 : 0;
1571 
1572 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1573 	if (ret)
1574 		dev_err(&hdev->pdev->dev,
1575 			"GRO hardware config cmd failed, ret = %d\n", ret);
1576 
1577 	return ret;
1578 }
1579 
hclge_alloc_tqps(struct hclge_dev * hdev)1580 static int hclge_alloc_tqps(struct hclge_dev *hdev)
1581 {
1582 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
1583 	struct hclge_comm_tqp *tqp;
1584 	int i;
1585 
1586 	hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps,
1587 				  sizeof(struct hclge_comm_tqp), GFP_KERNEL);
1588 	if (!hdev->htqp)
1589 		return -ENOMEM;
1590 
1591 	tqp = hdev->htqp;
1592 
1593 	for (i = 0; i < hdev->num_tqps; i++) {
1594 		tqp->dev = &hdev->pdev->dev;
1595 		tqp->index = i;
1596 
1597 		tqp->q.ae_algo = &ae_algo;
1598 		tqp->q.buf_size = hdev->rx_buf_len;
1599 		tqp->q.tx_desc_num = hdev->num_tx_desc;
1600 		tqp->q.rx_desc_num = hdev->num_rx_desc;
1601 
1602 		/* need an extended offset to configure queues >=
1603 		 * HCLGE_TQP_MAX_SIZE_DEV_V2
1604 		 */
1605 		if (i < HCLGE_TQP_MAX_SIZE_DEV_V2)
1606 			tqp->q.io_base = hdev->hw.hw.io_base +
1607 					 HCLGE_TQP_REG_OFFSET +
1608 					 i * HCLGE_TQP_REG_SIZE;
1609 		else
1610 			tqp->q.io_base = hdev->hw.hw.io_base +
1611 					 HCLGE_TQP_REG_OFFSET +
1612 					 HCLGE_TQP_EXT_REG_OFFSET +
1613 					 (i - HCLGE_TQP_MAX_SIZE_DEV_V2) *
1614 					 HCLGE_TQP_REG_SIZE;
1615 
1616 		/* when device supports tx push and has device memory,
1617 		 * the queue can execute push mode or doorbell mode on
1618 		 * device memory.
1619 		 */
1620 		if (test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps))
1621 			tqp->q.mem_base = hdev->hw.hw.mem_base +
1622 					  HCLGE_TQP_MEM_OFFSET(hdev, i);
1623 
1624 		tqp++;
1625 	}
1626 
1627 	return 0;
1628 }
1629 
hclge_map_tqps_to_func(struct hclge_dev * hdev,u16 func_id,u16 tqp_pid,u16 tqp_vid,bool is_pf)1630 static int hclge_map_tqps_to_func(struct hclge_dev *hdev, u16 func_id,
1631 				  u16 tqp_pid, u16 tqp_vid, bool is_pf)
1632 {
1633 	struct hclge_tqp_map_cmd *req;
1634 	struct hclge_desc desc;
1635 	int ret;
1636 
1637 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_SET_TQP_MAP, false);
1638 
1639 	req = (struct hclge_tqp_map_cmd *)desc.data;
1640 	req->tqp_id = cpu_to_le16(tqp_pid);
1641 	req->tqp_vf = func_id;
1642 	req->tqp_flag = 1U << HCLGE_TQP_MAP_EN_B;
1643 	if (!is_pf)
1644 		req->tqp_flag |= 1U << HCLGE_TQP_MAP_TYPE_B;
1645 	req->tqp_vid = cpu_to_le16(tqp_vid);
1646 
1647 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1648 	if (ret)
1649 		dev_err(&hdev->pdev->dev, "TQP map failed %d.\n", ret);
1650 
1651 	return ret;
1652 }
1653 
hclge_assign_tqp(struct hclge_vport * vport,u16 num_tqps)1654 static int  hclge_assign_tqp(struct hclge_vport *vport, u16 num_tqps)
1655 {
1656 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1657 	struct hclge_dev *hdev = vport->back;
1658 	int i, alloced;
1659 
1660 	for (i = 0, alloced = 0; i < hdev->num_tqps &&
1661 	     alloced < num_tqps; i++) {
1662 		if (!hdev->htqp[i].alloced) {
1663 			hdev->htqp[i].q.handle = &vport->nic;
1664 			hdev->htqp[i].q.tqp_index = alloced;
1665 			hdev->htqp[i].q.tx_desc_num = kinfo->num_tx_desc;
1666 			hdev->htqp[i].q.rx_desc_num = kinfo->num_rx_desc;
1667 			kinfo->tqp[alloced] = &hdev->htqp[i].q;
1668 			hdev->htqp[i].alloced = true;
1669 			alloced++;
1670 		}
1671 	}
1672 	vport->alloc_tqps = alloced;
1673 	kinfo->rss_size = min_t(u16, hdev->pf_rss_size_max,
1674 				vport->alloc_tqps / hdev->tm_info.num_tc);
1675 
1676 	/* ensure one to one mapping between irq and queue at default */
1677 	kinfo->rss_size = min_t(u16, kinfo->rss_size,
1678 				(hdev->num_nic_msi - 1) / hdev->tm_info.num_tc);
1679 
1680 	return 0;
1681 }
1682 
hclge_knic_setup(struct hclge_vport * vport,u16 num_tqps,u16 num_tx_desc,u16 num_rx_desc)1683 static int hclge_knic_setup(struct hclge_vport *vport, u16 num_tqps,
1684 			    u16 num_tx_desc, u16 num_rx_desc)
1685 
1686 {
1687 	struct hnae3_handle *nic = &vport->nic;
1688 	struct hnae3_knic_private_info *kinfo = &nic->kinfo;
1689 	struct hclge_dev *hdev = vport->back;
1690 	int ret;
1691 
1692 	kinfo->num_tx_desc = num_tx_desc;
1693 	kinfo->num_rx_desc = num_rx_desc;
1694 
1695 	kinfo->rx_buf_len = hdev->rx_buf_len;
1696 	kinfo->tx_spare_buf_size = hdev->tx_spare_buf_size;
1697 
1698 	kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, num_tqps,
1699 				  sizeof(struct hnae3_queue *), GFP_KERNEL);
1700 	if (!kinfo->tqp)
1701 		return -ENOMEM;
1702 
1703 	ret = hclge_assign_tqp(vport, num_tqps);
1704 	if (ret)
1705 		dev_err(&hdev->pdev->dev, "fail to assign TQPs %d.\n", ret);
1706 
1707 	return ret;
1708 }
1709 
hclge_map_tqp_to_vport(struct hclge_dev * hdev,struct hclge_vport * vport)1710 static int hclge_map_tqp_to_vport(struct hclge_dev *hdev,
1711 				  struct hclge_vport *vport)
1712 {
1713 	struct hnae3_handle *nic = &vport->nic;
1714 	struct hnae3_knic_private_info *kinfo;
1715 	u16 i;
1716 
1717 	kinfo = &nic->kinfo;
1718 	for (i = 0; i < vport->alloc_tqps; i++) {
1719 		struct hclge_comm_tqp *q =
1720 			container_of(kinfo->tqp[i], struct hclge_comm_tqp, q);
1721 		bool is_pf;
1722 		int ret;
1723 
1724 		is_pf = !(vport->vport_id);
1725 		ret = hclge_map_tqps_to_func(hdev, vport->vport_id, q->index,
1726 					     i, is_pf);
1727 		if (ret)
1728 			return ret;
1729 	}
1730 
1731 	return 0;
1732 }
1733 
hclge_map_tqp(struct hclge_dev * hdev)1734 static int hclge_map_tqp(struct hclge_dev *hdev)
1735 {
1736 	struct hclge_vport *vport = hdev->vport;
1737 	u16 i, num_vport;
1738 
1739 	num_vport = hdev->num_req_vfs + 1;
1740 	for (i = 0; i < num_vport; i++) {
1741 		int ret;
1742 
1743 		ret = hclge_map_tqp_to_vport(hdev, vport);
1744 		if (ret)
1745 			return ret;
1746 
1747 		vport++;
1748 	}
1749 
1750 	return 0;
1751 }
1752 
hclge_vport_setup(struct hclge_vport * vport,u16 num_tqps)1753 static int hclge_vport_setup(struct hclge_vport *vport, u16 num_tqps)
1754 {
1755 	struct hnae3_handle *nic = &vport->nic;
1756 	struct hclge_dev *hdev = vport->back;
1757 	int ret;
1758 
1759 	nic->pdev = hdev->pdev;
1760 	nic->ae_algo = &ae_algo;
1761 	bitmap_copy(nic->numa_node_mask.bits, hdev->numa_node_mask.bits,
1762 		    MAX_NUMNODES);
1763 	nic->kinfo.io_base = hdev->hw.hw.io_base;
1764 
1765 	ret = hclge_knic_setup(vport, num_tqps,
1766 			       hdev->num_tx_desc, hdev->num_rx_desc);
1767 	if (ret)
1768 		dev_err(&hdev->pdev->dev, "knic setup failed %d\n", ret);
1769 
1770 	return ret;
1771 }
1772 
hclge_alloc_vport(struct hclge_dev * hdev)1773 static int hclge_alloc_vport(struct hclge_dev *hdev)
1774 {
1775 	struct pci_dev *pdev = hdev->pdev;
1776 	struct hclge_vport *vport;
1777 	u32 tqp_main_vport;
1778 	u32 tqp_per_vport;
1779 	int num_vport, i;
1780 	int ret;
1781 
1782 	/* We need to alloc a vport for main NIC of PF */
1783 	num_vport = hdev->num_req_vfs + 1;
1784 
1785 	if (hdev->num_tqps < num_vport) {
1786 		dev_err(&hdev->pdev->dev, "tqps(%u) is less than vports(%d)",
1787 			hdev->num_tqps, num_vport);
1788 		return -EINVAL;
1789 	}
1790 
1791 	/* Alloc the same number of TQPs for every vport */
1792 	tqp_per_vport = hdev->num_tqps / num_vport;
1793 	tqp_main_vport = tqp_per_vport + hdev->num_tqps % num_vport;
1794 
1795 	vport = devm_kcalloc(&pdev->dev, num_vport, sizeof(struct hclge_vport),
1796 			     GFP_KERNEL);
1797 	if (!vport)
1798 		return -ENOMEM;
1799 
1800 	hdev->vport = vport;
1801 	hdev->num_alloc_vport = num_vport;
1802 
1803 	if (IS_ENABLED(CONFIG_PCI_IOV))
1804 		hdev->num_alloc_vfs = hdev->num_req_vfs;
1805 
1806 	for (i = 0; i < num_vport; i++) {
1807 		vport->back = hdev;
1808 		vport->vport_id = i;
1809 		vport->vf_info.link_state = IFLA_VF_LINK_STATE_AUTO;
1810 		vport->mps = HCLGE_MAC_DEFAULT_FRAME;
1811 		vport->port_base_vlan_cfg.state = HNAE3_PORT_BASE_VLAN_DISABLE;
1812 		vport->port_base_vlan_cfg.tbl_sta = true;
1813 		vport->rxvlan_cfg.rx_vlan_offload_en = true;
1814 		vport->req_vlan_fltr_en = true;
1815 		INIT_LIST_HEAD(&vport->vlan_list);
1816 		INIT_LIST_HEAD(&vport->uc_mac_list);
1817 		INIT_LIST_HEAD(&vport->mc_mac_list);
1818 		spin_lock_init(&vport->mac_list_lock);
1819 
1820 		if (i == 0)
1821 			ret = hclge_vport_setup(vport, tqp_main_vport);
1822 		else
1823 			ret = hclge_vport_setup(vport, tqp_per_vport);
1824 		if (ret) {
1825 			dev_err(&pdev->dev,
1826 				"vport setup failed for vport %d, %d\n",
1827 				i, ret);
1828 			return ret;
1829 		}
1830 
1831 		vport++;
1832 	}
1833 
1834 	return 0;
1835 }
1836 
hclge_cmd_alloc_tx_buff(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)1837 static int  hclge_cmd_alloc_tx_buff(struct hclge_dev *hdev,
1838 				    struct hclge_pkt_buf_alloc *buf_alloc)
1839 {
1840 /* TX buffer size is unit by 128 byte */
1841 #define HCLGE_BUF_SIZE_UNIT_SHIFT	7
1842 #define HCLGE_BUF_SIZE_UPDATE_EN_MSK	BIT(15)
1843 	struct hclge_tx_buff_alloc_cmd *req;
1844 	struct hclge_desc desc;
1845 	int ret;
1846 	u8 i;
1847 
1848 	req = (struct hclge_tx_buff_alloc_cmd *)desc.data;
1849 
1850 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TX_BUFF_ALLOC, 0);
1851 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
1852 		u32 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
1853 
1854 		req->tx_pkt_buff[i] =
1855 			cpu_to_le16((buf_size >> HCLGE_BUF_SIZE_UNIT_SHIFT) |
1856 				     HCLGE_BUF_SIZE_UPDATE_EN_MSK);
1857 	}
1858 
1859 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1860 	if (ret)
1861 		dev_err(&hdev->pdev->dev, "tx buffer alloc cmd failed %d.\n",
1862 			ret);
1863 
1864 	return ret;
1865 }
1866 
hclge_tx_buffer_alloc(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)1867 static int hclge_tx_buffer_alloc(struct hclge_dev *hdev,
1868 				 struct hclge_pkt_buf_alloc *buf_alloc)
1869 {
1870 	int ret = hclge_cmd_alloc_tx_buff(hdev, buf_alloc);
1871 
1872 	if (ret)
1873 		dev_err(&hdev->pdev->dev, "tx buffer alloc failed %d\n", ret);
1874 
1875 	return ret;
1876 }
1877 
hclge_get_tc_num(struct hclge_dev * hdev)1878 static u32 hclge_get_tc_num(struct hclge_dev *hdev)
1879 {
1880 	unsigned int i;
1881 	u32 cnt = 0;
1882 
1883 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++)
1884 		if (hdev->hw_tc_map & BIT(i))
1885 			cnt++;
1886 	return cnt;
1887 }
1888 
1889 /* Get the number of pfc enabled TCs, which have private buffer */
hclge_get_pfc_priv_num(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)1890 static int hclge_get_pfc_priv_num(struct hclge_dev *hdev,
1891 				  struct hclge_pkt_buf_alloc *buf_alloc)
1892 {
1893 	struct hclge_priv_buf *priv;
1894 	unsigned int i;
1895 	int cnt = 0;
1896 
1897 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
1898 		priv = &buf_alloc->priv_buf[i];
1899 		if ((hdev->tm_info.hw_pfc_map & BIT(i)) &&
1900 		    priv->enable)
1901 			cnt++;
1902 	}
1903 
1904 	return cnt;
1905 }
1906 
1907 /* Get the number of pfc disabled TCs, which have private buffer */
hclge_get_no_pfc_priv_num(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)1908 static int hclge_get_no_pfc_priv_num(struct hclge_dev *hdev,
1909 				     struct hclge_pkt_buf_alloc *buf_alloc)
1910 {
1911 	struct hclge_priv_buf *priv;
1912 	unsigned int i;
1913 	int cnt = 0;
1914 
1915 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
1916 		priv = &buf_alloc->priv_buf[i];
1917 		if (hdev->hw_tc_map & BIT(i) &&
1918 		    !(hdev->tm_info.hw_pfc_map & BIT(i)) &&
1919 		    priv->enable)
1920 			cnt++;
1921 	}
1922 
1923 	return cnt;
1924 }
1925 
hclge_get_rx_priv_buff_alloced(struct hclge_pkt_buf_alloc * buf_alloc)1926 static u32 hclge_get_rx_priv_buff_alloced(struct hclge_pkt_buf_alloc *buf_alloc)
1927 {
1928 	struct hclge_priv_buf *priv;
1929 	u32 rx_priv = 0;
1930 	int i;
1931 
1932 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
1933 		priv = &buf_alloc->priv_buf[i];
1934 		if (priv->enable)
1935 			rx_priv += priv->buf_size;
1936 	}
1937 	return rx_priv;
1938 }
1939 
hclge_get_tx_buff_alloced(struct hclge_pkt_buf_alloc * buf_alloc)1940 static u32 hclge_get_tx_buff_alloced(struct hclge_pkt_buf_alloc *buf_alloc)
1941 {
1942 	u32 i, total_tx_size = 0;
1943 
1944 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++)
1945 		total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
1946 
1947 	return total_tx_size;
1948 }
1949 
hclge_is_rx_buf_ok(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc,u32 rx_all)1950 static bool  hclge_is_rx_buf_ok(struct hclge_dev *hdev,
1951 				struct hclge_pkt_buf_alloc *buf_alloc,
1952 				u32 rx_all)
1953 {
1954 	u32 shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
1955 	u32 tc_num = hclge_get_tc_num(hdev);
1956 	u32 shared_buf, aligned_mps;
1957 	u32 rx_priv;
1958 	int i;
1959 
1960 	aligned_mps = roundup(hdev->mps, HCLGE_BUF_SIZE_UNIT);
1961 
1962 	if (hnae3_dev_dcb_supported(hdev))
1963 		shared_buf_min = HCLGE_BUF_MUL_BY * aligned_mps +
1964 					hdev->dv_buf_size;
1965 	else
1966 		shared_buf_min = aligned_mps + HCLGE_NON_DCB_ADDITIONAL_BUF
1967 					+ hdev->dv_buf_size;
1968 
1969 	shared_buf_tc = tc_num * aligned_mps + aligned_mps;
1970 	shared_std = roundup(max_t(u32, shared_buf_min, shared_buf_tc),
1971 			     HCLGE_BUF_SIZE_UNIT);
1972 
1973 	rx_priv = hclge_get_rx_priv_buff_alloced(buf_alloc);
1974 	if (rx_all < rx_priv + shared_std)
1975 		return false;
1976 
1977 	shared_buf = rounddown(rx_all - rx_priv, HCLGE_BUF_SIZE_UNIT);
1978 	buf_alloc->s_buf.buf_size = shared_buf;
1979 	if (hnae3_dev_dcb_supported(hdev)) {
1980 		buf_alloc->s_buf.self.high = shared_buf - hdev->dv_buf_size;
1981 		buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
1982 			- roundup(aligned_mps / HCLGE_BUF_DIV_BY,
1983 				  HCLGE_BUF_SIZE_UNIT);
1984 	} else {
1985 		buf_alloc->s_buf.self.high = aligned_mps +
1986 						HCLGE_NON_DCB_ADDITIONAL_BUF;
1987 		buf_alloc->s_buf.self.low = aligned_mps;
1988 	}
1989 
1990 	if (hnae3_dev_dcb_supported(hdev)) {
1991 		hi_thrd = shared_buf - hdev->dv_buf_size;
1992 
1993 		if (tc_num <= NEED_RESERVE_TC_NUM)
1994 			hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
1995 					/ BUF_MAX_PERCENT;
1996 
1997 		if (tc_num)
1998 			hi_thrd = hi_thrd / tc_num;
1999 
2000 		hi_thrd = max_t(u32, hi_thrd, HCLGE_BUF_MUL_BY * aligned_mps);
2001 		hi_thrd = rounddown(hi_thrd, HCLGE_BUF_SIZE_UNIT);
2002 		lo_thrd = hi_thrd - aligned_mps / HCLGE_BUF_DIV_BY;
2003 	} else {
2004 		hi_thrd = aligned_mps + HCLGE_NON_DCB_ADDITIONAL_BUF;
2005 		lo_thrd = aligned_mps;
2006 	}
2007 
2008 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
2009 		buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
2010 		buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
2011 	}
2012 
2013 	return true;
2014 }
2015 
hclge_tx_buffer_calc(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2016 static int hclge_tx_buffer_calc(struct hclge_dev *hdev,
2017 				struct hclge_pkt_buf_alloc *buf_alloc)
2018 {
2019 	u32 i, total_size;
2020 
2021 	total_size = hdev->pkt_buf_size;
2022 
2023 	/* alloc tx buffer for all enabled tc */
2024 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
2025 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2026 
2027 		if (hdev->hw_tc_map & BIT(i)) {
2028 			if (total_size < hdev->tx_buf_size)
2029 				return -ENOMEM;
2030 
2031 			priv->tx_buf_size = hdev->tx_buf_size;
2032 		} else {
2033 			priv->tx_buf_size = 0;
2034 		}
2035 
2036 		total_size -= priv->tx_buf_size;
2037 	}
2038 
2039 	return 0;
2040 }
2041 
hclge_rx_buf_calc_all(struct hclge_dev * hdev,bool max,struct hclge_pkt_buf_alloc * buf_alloc)2042 static bool hclge_rx_buf_calc_all(struct hclge_dev *hdev, bool max,
2043 				  struct hclge_pkt_buf_alloc *buf_alloc)
2044 {
2045 	u32 rx_all = hdev->pkt_buf_size - hclge_get_tx_buff_alloced(buf_alloc);
2046 	u32 aligned_mps = round_up(hdev->mps, HCLGE_BUF_SIZE_UNIT);
2047 	unsigned int i;
2048 
2049 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
2050 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2051 
2052 		priv->enable = 0;
2053 		priv->wl.low = 0;
2054 		priv->wl.high = 0;
2055 		priv->buf_size = 0;
2056 
2057 		if (!(hdev->hw_tc_map & BIT(i)))
2058 			continue;
2059 
2060 		priv->enable = 1;
2061 
2062 		if (hdev->tm_info.hw_pfc_map & BIT(i)) {
2063 			priv->wl.low = max ? aligned_mps : HCLGE_BUF_SIZE_UNIT;
2064 			priv->wl.high = roundup(priv->wl.low + aligned_mps,
2065 						HCLGE_BUF_SIZE_UNIT);
2066 		} else {
2067 			priv->wl.low = 0;
2068 			priv->wl.high = max ? (aligned_mps * HCLGE_BUF_MUL_BY) :
2069 					aligned_mps;
2070 		}
2071 
2072 		priv->buf_size = priv->wl.high + hdev->dv_buf_size;
2073 	}
2074 
2075 	return hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all);
2076 }
2077 
hclge_drop_nopfc_buf_till_fit(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2078 static bool hclge_drop_nopfc_buf_till_fit(struct hclge_dev *hdev,
2079 					  struct hclge_pkt_buf_alloc *buf_alloc)
2080 {
2081 	u32 rx_all = hdev->pkt_buf_size - hclge_get_tx_buff_alloced(buf_alloc);
2082 	int no_pfc_priv_num = hclge_get_no_pfc_priv_num(hdev, buf_alloc);
2083 	int i;
2084 
2085 	/* let the last to be cleared first */
2086 	for (i = HCLGE_MAX_TC_NUM - 1; i >= 0; i--) {
2087 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2088 		unsigned int mask = BIT((unsigned int)i);
2089 
2090 		if (hdev->hw_tc_map & mask &&
2091 		    !(hdev->tm_info.hw_pfc_map & mask)) {
2092 			/* Clear the no pfc TC private buffer */
2093 			priv->wl.low = 0;
2094 			priv->wl.high = 0;
2095 			priv->buf_size = 0;
2096 			priv->enable = 0;
2097 			no_pfc_priv_num--;
2098 		}
2099 
2100 		if (hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all) ||
2101 		    no_pfc_priv_num == 0)
2102 			break;
2103 	}
2104 
2105 	return hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all);
2106 }
2107 
hclge_drop_pfc_buf_till_fit(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2108 static bool hclge_drop_pfc_buf_till_fit(struct hclge_dev *hdev,
2109 					struct hclge_pkt_buf_alloc *buf_alloc)
2110 {
2111 	u32 rx_all = hdev->pkt_buf_size - hclge_get_tx_buff_alloced(buf_alloc);
2112 	int pfc_priv_num = hclge_get_pfc_priv_num(hdev, buf_alloc);
2113 	int i;
2114 
2115 	/* let the last to be cleared first */
2116 	for (i = HCLGE_MAX_TC_NUM - 1; i >= 0; i--) {
2117 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2118 		unsigned int mask = BIT((unsigned int)i);
2119 
2120 		if (hdev->hw_tc_map & mask &&
2121 		    hdev->tm_info.hw_pfc_map & mask) {
2122 			/* Reduce the number of pfc TC with private buffer */
2123 			priv->wl.low = 0;
2124 			priv->enable = 0;
2125 			priv->wl.high = 0;
2126 			priv->buf_size = 0;
2127 			pfc_priv_num--;
2128 		}
2129 
2130 		if (hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all) ||
2131 		    pfc_priv_num == 0)
2132 			break;
2133 	}
2134 
2135 	return hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all);
2136 }
2137 
hclge_only_alloc_priv_buff(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2138 static int hclge_only_alloc_priv_buff(struct hclge_dev *hdev,
2139 				      struct hclge_pkt_buf_alloc *buf_alloc)
2140 {
2141 #define COMPENSATE_BUFFER	0x3C00
2142 #define COMPENSATE_HALF_MPS_NUM	5
2143 #define PRIV_WL_GAP		0x1800
2144 
2145 	u32 rx_priv = hdev->pkt_buf_size - hclge_get_tx_buff_alloced(buf_alloc);
2146 	u32 tc_num = hclge_get_tc_num(hdev);
2147 	u32 half_mps = hdev->mps >> 1;
2148 	u32 min_rx_priv;
2149 	unsigned int i;
2150 
2151 	if (tc_num)
2152 		rx_priv = rx_priv / tc_num;
2153 
2154 	if (tc_num <= NEED_RESERVE_TC_NUM)
2155 		rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
2156 
2157 	min_rx_priv = hdev->dv_buf_size + COMPENSATE_BUFFER +
2158 			COMPENSATE_HALF_MPS_NUM * half_mps;
2159 	min_rx_priv = round_up(min_rx_priv, HCLGE_BUF_SIZE_UNIT);
2160 	rx_priv = round_down(rx_priv, HCLGE_BUF_SIZE_UNIT);
2161 	if (rx_priv < min_rx_priv)
2162 		return false;
2163 
2164 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
2165 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2166 
2167 		priv->enable = 0;
2168 		priv->wl.low = 0;
2169 		priv->wl.high = 0;
2170 		priv->buf_size = 0;
2171 
2172 		if (!(hdev->hw_tc_map & BIT(i)))
2173 			continue;
2174 
2175 		priv->enable = 1;
2176 		priv->buf_size = rx_priv;
2177 		priv->wl.high = rx_priv - hdev->dv_buf_size;
2178 		priv->wl.low = priv->wl.high - PRIV_WL_GAP;
2179 	}
2180 
2181 	buf_alloc->s_buf.buf_size = 0;
2182 
2183 	return true;
2184 }
2185 
2186 /* hclge_rx_buffer_calc: calculate the rx private buffer size for all TCs
2187  * @hdev: pointer to struct hclge_dev
2188  * @buf_alloc: pointer to buffer calculation data
2189  * @return: 0: calculate successful, negative: fail
2190  */
hclge_rx_buffer_calc(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2191 static int hclge_rx_buffer_calc(struct hclge_dev *hdev,
2192 				struct hclge_pkt_buf_alloc *buf_alloc)
2193 {
2194 	/* When DCB is not supported, rx private buffer is not allocated. */
2195 	if (!hnae3_dev_dcb_supported(hdev)) {
2196 		u32 rx_all = hdev->pkt_buf_size;
2197 
2198 		rx_all -= hclge_get_tx_buff_alloced(buf_alloc);
2199 		if (!hclge_is_rx_buf_ok(hdev, buf_alloc, rx_all))
2200 			return -ENOMEM;
2201 
2202 		return 0;
2203 	}
2204 
2205 	if (hclge_only_alloc_priv_buff(hdev, buf_alloc))
2206 		return 0;
2207 
2208 	if (hclge_rx_buf_calc_all(hdev, true, buf_alloc))
2209 		return 0;
2210 
2211 	/* try to decrease the buffer size */
2212 	if (hclge_rx_buf_calc_all(hdev, false, buf_alloc))
2213 		return 0;
2214 
2215 	if (hclge_drop_nopfc_buf_till_fit(hdev, buf_alloc))
2216 		return 0;
2217 
2218 	if (hclge_drop_pfc_buf_till_fit(hdev, buf_alloc))
2219 		return 0;
2220 
2221 	return -ENOMEM;
2222 }
2223 
hclge_rx_priv_buf_alloc(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2224 static int hclge_rx_priv_buf_alloc(struct hclge_dev *hdev,
2225 				   struct hclge_pkt_buf_alloc *buf_alloc)
2226 {
2227 	struct hclge_rx_priv_buff_cmd *req;
2228 	struct hclge_desc desc;
2229 	int ret;
2230 	int i;
2231 
2232 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RX_PRIV_BUFF_ALLOC, false);
2233 	req = (struct hclge_rx_priv_buff_cmd *)desc.data;
2234 
2235 	/* Alloc private buffer TCs */
2236 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
2237 		struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i];
2238 
2239 		req->buf_num[i] =
2240 			cpu_to_le16(priv->buf_size >> HCLGE_BUF_UNIT_S);
2241 		req->buf_num[i] |=
2242 			cpu_to_le16(1 << HCLGE_TC0_PRI_BUF_EN_B);
2243 	}
2244 
2245 	req->shared_buf =
2246 		cpu_to_le16((buf_alloc->s_buf.buf_size >> HCLGE_BUF_UNIT_S) |
2247 			    (1 << HCLGE_TC0_PRI_BUF_EN_B));
2248 
2249 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2250 	if (ret)
2251 		dev_err(&hdev->pdev->dev,
2252 			"rx private buffer alloc cmd failed %d\n", ret);
2253 
2254 	return ret;
2255 }
2256 
hclge_rx_priv_wl_config(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2257 static int hclge_rx_priv_wl_config(struct hclge_dev *hdev,
2258 				   struct hclge_pkt_buf_alloc *buf_alloc)
2259 {
2260 	struct hclge_rx_priv_wl_buf *req;
2261 	struct hclge_priv_buf *priv;
2262 	struct hclge_desc desc[2];
2263 	int i, j;
2264 	int ret;
2265 
2266 	for (i = 0; i < 2; i++) {
2267 		hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_RX_PRIV_WL_ALLOC,
2268 					   false);
2269 		req = (struct hclge_rx_priv_wl_buf *)desc[i].data;
2270 
2271 		/* The first descriptor set the NEXT bit to 1 */
2272 		if (i == 0)
2273 			desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
2274 		else
2275 			desc[i].flag &= ~cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
2276 
2277 		for (j = 0; j < HCLGE_TC_NUM_ONE_DESC; j++) {
2278 			u32 idx = i * HCLGE_TC_NUM_ONE_DESC + j;
2279 
2280 			priv = &buf_alloc->priv_buf[idx];
2281 			req->tc_wl[j].high =
2282 				cpu_to_le16(priv->wl.high >> HCLGE_BUF_UNIT_S);
2283 			req->tc_wl[j].high |=
2284 				cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2285 			req->tc_wl[j].low =
2286 				cpu_to_le16(priv->wl.low >> HCLGE_BUF_UNIT_S);
2287 			req->tc_wl[j].low |=
2288 				 cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2289 		}
2290 	}
2291 
2292 	/* Send 2 descriptor at one time */
2293 	ret = hclge_cmd_send(&hdev->hw, desc, 2);
2294 	if (ret)
2295 		dev_err(&hdev->pdev->dev,
2296 			"rx private waterline config cmd failed %d\n",
2297 			ret);
2298 	return ret;
2299 }
2300 
hclge_common_thrd_config(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2301 static int hclge_common_thrd_config(struct hclge_dev *hdev,
2302 				    struct hclge_pkt_buf_alloc *buf_alloc)
2303 {
2304 	struct hclge_shared_buf *s_buf = &buf_alloc->s_buf;
2305 	struct hclge_rx_com_thrd *req;
2306 	struct hclge_desc desc[2];
2307 	struct hclge_tc_thrd *tc;
2308 	int i, j;
2309 	int ret;
2310 
2311 	for (i = 0; i < 2; i++) {
2312 		hclge_cmd_setup_basic_desc(&desc[i],
2313 					   HCLGE_OPC_RX_COM_THRD_ALLOC, false);
2314 		req = (struct hclge_rx_com_thrd *)&desc[i].data;
2315 
2316 		/* The first descriptor set the NEXT bit to 1 */
2317 		if (i == 0)
2318 			desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
2319 		else
2320 			desc[i].flag &= ~cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
2321 
2322 		for (j = 0; j < HCLGE_TC_NUM_ONE_DESC; j++) {
2323 			tc = &s_buf->tc_thrd[i * HCLGE_TC_NUM_ONE_DESC + j];
2324 
2325 			req->com_thrd[j].high =
2326 				cpu_to_le16(tc->high >> HCLGE_BUF_UNIT_S);
2327 			req->com_thrd[j].high |=
2328 				 cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2329 			req->com_thrd[j].low =
2330 				cpu_to_le16(tc->low >> HCLGE_BUF_UNIT_S);
2331 			req->com_thrd[j].low |=
2332 				 cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2333 		}
2334 	}
2335 
2336 	/* Send 2 descriptors at one time */
2337 	ret = hclge_cmd_send(&hdev->hw, desc, 2);
2338 	if (ret)
2339 		dev_err(&hdev->pdev->dev,
2340 			"common threshold config cmd failed %d\n", ret);
2341 	return ret;
2342 }
2343 
hclge_common_wl_config(struct hclge_dev * hdev,struct hclge_pkt_buf_alloc * buf_alloc)2344 static int hclge_common_wl_config(struct hclge_dev *hdev,
2345 				  struct hclge_pkt_buf_alloc *buf_alloc)
2346 {
2347 	struct hclge_shared_buf *buf = &buf_alloc->s_buf;
2348 	struct hclge_rx_com_wl *req;
2349 	struct hclge_desc desc;
2350 	int ret;
2351 
2352 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RX_COM_WL_ALLOC, false);
2353 
2354 	req = (struct hclge_rx_com_wl *)desc.data;
2355 	req->com_wl.high = cpu_to_le16(buf->self.high >> HCLGE_BUF_UNIT_S);
2356 	req->com_wl.high |=  cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2357 
2358 	req->com_wl.low = cpu_to_le16(buf->self.low >> HCLGE_BUF_UNIT_S);
2359 	req->com_wl.low |=  cpu_to_le16(BIT(HCLGE_RX_PRIV_EN_B));
2360 
2361 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2362 	if (ret)
2363 		dev_err(&hdev->pdev->dev,
2364 			"common waterline config cmd failed %d\n", ret);
2365 
2366 	return ret;
2367 }
2368 
hclge_buffer_alloc(struct hclge_dev * hdev)2369 int hclge_buffer_alloc(struct hclge_dev *hdev)
2370 {
2371 	struct hclge_pkt_buf_alloc *pkt_buf;
2372 	int ret;
2373 
2374 	pkt_buf = kzalloc(sizeof(*pkt_buf), GFP_KERNEL);
2375 	if (!pkt_buf)
2376 		return -ENOMEM;
2377 
2378 	ret = hclge_tx_buffer_calc(hdev, pkt_buf);
2379 	if (ret) {
2380 		dev_err(&hdev->pdev->dev,
2381 			"could not calc tx buffer size for all TCs %d\n", ret);
2382 		goto out;
2383 	}
2384 
2385 	ret = hclge_tx_buffer_alloc(hdev, pkt_buf);
2386 	if (ret) {
2387 		dev_err(&hdev->pdev->dev,
2388 			"could not alloc tx buffers %d\n", ret);
2389 		goto out;
2390 	}
2391 
2392 	ret = hclge_rx_buffer_calc(hdev, pkt_buf);
2393 	if (ret) {
2394 		dev_err(&hdev->pdev->dev,
2395 			"could not calc rx priv buffer size for all TCs %d\n",
2396 			ret);
2397 		goto out;
2398 	}
2399 
2400 	ret = hclge_rx_priv_buf_alloc(hdev, pkt_buf);
2401 	if (ret) {
2402 		dev_err(&hdev->pdev->dev, "could not alloc rx priv buffer %d\n",
2403 			ret);
2404 		goto out;
2405 	}
2406 
2407 	if (hnae3_dev_dcb_supported(hdev)) {
2408 		ret = hclge_rx_priv_wl_config(hdev, pkt_buf);
2409 		if (ret) {
2410 			dev_err(&hdev->pdev->dev,
2411 				"could not configure rx private waterline %d\n",
2412 				ret);
2413 			goto out;
2414 		}
2415 
2416 		ret = hclge_common_thrd_config(hdev, pkt_buf);
2417 		if (ret) {
2418 			dev_err(&hdev->pdev->dev,
2419 				"could not configure common threshold %d\n",
2420 				ret);
2421 			goto out;
2422 		}
2423 	}
2424 
2425 	ret = hclge_common_wl_config(hdev, pkt_buf);
2426 	if (ret)
2427 		dev_err(&hdev->pdev->dev,
2428 			"could not configure common waterline %d\n", ret);
2429 
2430 out:
2431 	kfree(pkt_buf);
2432 	return ret;
2433 }
2434 
hclge_init_roce_base_info(struct hclge_vport * vport)2435 static int hclge_init_roce_base_info(struct hclge_vport *vport)
2436 {
2437 	struct hnae3_handle *roce = &vport->roce;
2438 	struct hnae3_handle *nic = &vport->nic;
2439 	struct hclge_dev *hdev = vport->back;
2440 
2441 	roce->rinfo.num_vectors = vport->back->num_roce_msi;
2442 
2443 	if (hdev->num_msi < hdev->num_nic_msi + hdev->num_roce_msi)
2444 		return -EINVAL;
2445 
2446 	roce->rinfo.base_vector = hdev->num_nic_msi;
2447 
2448 	roce->rinfo.netdev = nic->kinfo.netdev;
2449 	roce->rinfo.roce_io_base = hdev->hw.hw.io_base;
2450 	roce->rinfo.roce_mem_base = hdev->hw.hw.mem_base;
2451 
2452 	roce->pdev = nic->pdev;
2453 	roce->ae_algo = nic->ae_algo;
2454 	bitmap_copy(roce->numa_node_mask.bits, nic->numa_node_mask.bits,
2455 		    MAX_NUMNODES);
2456 
2457 	return 0;
2458 }
2459 
hclge_init_msi(struct hclge_dev * hdev)2460 static int hclge_init_msi(struct hclge_dev *hdev)
2461 {
2462 	struct pci_dev *pdev = hdev->pdev;
2463 	int vectors;
2464 	int i;
2465 
2466 	vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM,
2467 					hdev->num_msi,
2468 					PCI_IRQ_MSI | PCI_IRQ_MSIX);
2469 	if (vectors < 0) {
2470 		dev_err(&pdev->dev,
2471 			"failed(%d) to allocate MSI/MSI-X vectors\n",
2472 			vectors);
2473 		return vectors;
2474 	}
2475 	if (vectors < hdev->num_msi)
2476 		dev_warn(&hdev->pdev->dev,
2477 			 "requested %u MSI/MSI-X, but allocated %d MSI/MSI-X\n",
2478 			 hdev->num_msi, vectors);
2479 
2480 	hdev->num_msi = vectors;
2481 	hdev->num_msi_left = vectors;
2482 
2483 	hdev->vector_status = devm_kcalloc(&pdev->dev, hdev->num_msi,
2484 					   sizeof(u16), GFP_KERNEL);
2485 	if (!hdev->vector_status) {
2486 		pci_free_irq_vectors(pdev);
2487 		return -ENOMEM;
2488 	}
2489 
2490 	for (i = 0; i < hdev->num_msi; i++)
2491 		hdev->vector_status[i] = HCLGE_INVALID_VPORT;
2492 
2493 	hdev->vector_irq = devm_kcalloc(&pdev->dev, hdev->num_msi,
2494 					sizeof(int), GFP_KERNEL);
2495 	if (!hdev->vector_irq) {
2496 		pci_free_irq_vectors(pdev);
2497 		return -ENOMEM;
2498 	}
2499 
2500 	return 0;
2501 }
2502 
hclge_check_speed_dup(u8 duplex,int speed)2503 static u8 hclge_check_speed_dup(u8 duplex, int speed)
2504 {
2505 	if (!(speed == HCLGE_MAC_SPEED_10M || speed == HCLGE_MAC_SPEED_100M))
2506 		duplex = HCLGE_MAC_FULL;
2507 
2508 	return duplex;
2509 }
2510 
2511 static struct hclge_mac_speed_map hclge_mac_speed_map_to_fw[] = {
2512 	{HCLGE_MAC_SPEED_10M, HCLGE_FW_MAC_SPEED_10M},
2513 	{HCLGE_MAC_SPEED_100M, HCLGE_FW_MAC_SPEED_100M},
2514 	{HCLGE_MAC_SPEED_1G, HCLGE_FW_MAC_SPEED_1G},
2515 	{HCLGE_MAC_SPEED_10G, HCLGE_FW_MAC_SPEED_10G},
2516 	{HCLGE_MAC_SPEED_25G, HCLGE_FW_MAC_SPEED_25G},
2517 	{HCLGE_MAC_SPEED_40G, HCLGE_FW_MAC_SPEED_40G},
2518 	{HCLGE_MAC_SPEED_50G, HCLGE_FW_MAC_SPEED_50G},
2519 	{HCLGE_MAC_SPEED_100G, HCLGE_FW_MAC_SPEED_100G},
2520 	{HCLGE_MAC_SPEED_200G, HCLGE_FW_MAC_SPEED_200G},
2521 };
2522 
hclge_convert_to_fw_speed(u32 speed_drv,u32 * speed_fw)2523 static int hclge_convert_to_fw_speed(u32 speed_drv, u32 *speed_fw)
2524 {
2525 	u16 i;
2526 
2527 	for (i = 0; i < ARRAY_SIZE(hclge_mac_speed_map_to_fw); i++) {
2528 		if (hclge_mac_speed_map_to_fw[i].speed_drv == speed_drv) {
2529 			*speed_fw = hclge_mac_speed_map_to_fw[i].speed_fw;
2530 			return 0;
2531 		}
2532 	}
2533 
2534 	return -EINVAL;
2535 }
2536 
hclge_cfg_mac_speed_dup_hw(struct hclge_dev * hdev,int speed,u8 duplex,u8 lane_num)2537 static int hclge_cfg_mac_speed_dup_hw(struct hclge_dev *hdev, int speed,
2538 				      u8 duplex, u8 lane_num)
2539 {
2540 	struct hclge_config_mac_speed_dup_cmd *req;
2541 	struct hclge_desc desc;
2542 	u32 speed_fw;
2543 	int ret;
2544 
2545 	req = (struct hclge_config_mac_speed_dup_cmd *)desc.data;
2546 
2547 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_SPEED_DUP, false);
2548 
2549 	if (duplex)
2550 		hnae3_set_bit(req->speed_dup, HCLGE_CFG_DUPLEX_B, 1);
2551 
2552 	ret = hclge_convert_to_fw_speed(speed, &speed_fw);
2553 	if (ret) {
2554 		dev_err(&hdev->pdev->dev, "invalid speed (%d)\n", speed);
2555 		return ret;
2556 	}
2557 
2558 	hnae3_set_field(req->speed_dup, HCLGE_CFG_SPEED_M, HCLGE_CFG_SPEED_S,
2559 			speed_fw);
2560 	hnae3_set_bit(req->mac_change_fec_en, HCLGE_CFG_MAC_SPEED_CHANGE_EN_B,
2561 		      1);
2562 	req->lane_num = lane_num;
2563 
2564 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2565 	if (ret) {
2566 		dev_err(&hdev->pdev->dev,
2567 			"mac speed/duplex config cmd failed %d.\n", ret);
2568 		return ret;
2569 	}
2570 
2571 	return 0;
2572 }
2573 
hclge_cfg_mac_speed_dup(struct hclge_dev * hdev,int speed,u8 duplex,u8 lane_num)2574 int hclge_cfg_mac_speed_dup(struct hclge_dev *hdev, int speed, u8 duplex, u8 lane_num)
2575 {
2576 	struct hclge_mac *mac = &hdev->hw.mac;
2577 	int ret;
2578 
2579 	duplex = hclge_check_speed_dup(duplex, speed);
2580 	if (!mac->support_autoneg && mac->speed == speed &&
2581 	    mac->duplex == duplex && (mac->lane_num == lane_num || lane_num == 0))
2582 		return 0;
2583 
2584 	ret = hclge_cfg_mac_speed_dup_hw(hdev, speed, duplex, lane_num);
2585 	if (ret)
2586 		return ret;
2587 
2588 	hdev->hw.mac.speed = speed;
2589 	hdev->hw.mac.duplex = duplex;
2590 	if (!lane_num)
2591 		hdev->hw.mac.lane_num = lane_num;
2592 
2593 	return 0;
2594 }
2595 
hclge_cfg_mac_speed_dup_h(struct hnae3_handle * handle,int speed,u8 duplex,u8 lane_num)2596 static int hclge_cfg_mac_speed_dup_h(struct hnae3_handle *handle, int speed,
2597 				     u8 duplex, u8 lane_num)
2598 {
2599 	struct hclge_vport *vport = hclge_get_vport(handle);
2600 	struct hclge_dev *hdev = vport->back;
2601 	int ret;
2602 
2603 	ret = hclge_cfg_mac_speed_dup(hdev, speed, duplex, lane_num);
2604 
2605 	if (ret)
2606 		return ret;
2607 
2608 	hdev->hw.mac.req_speed = speed;
2609 	hdev->hw.mac.req_duplex = duplex;
2610 
2611 	return 0;
2612 }
2613 
hclge_set_autoneg_en(struct hclge_dev * hdev,bool enable)2614 static int hclge_set_autoneg_en(struct hclge_dev *hdev, bool enable)
2615 {
2616 	struct hclge_config_auto_neg_cmd *req;
2617 	struct hclge_desc desc;
2618 	u32 flag = 0;
2619 	int ret;
2620 
2621 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_AN_MODE, false);
2622 
2623 	req = (struct hclge_config_auto_neg_cmd *)desc.data;
2624 	if (enable)
2625 		hnae3_set_bit(flag, HCLGE_MAC_CFG_AN_EN_B, 1U);
2626 	req->cfg_an_cmd_flag = cpu_to_le32(flag);
2627 
2628 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2629 	if (ret)
2630 		dev_err(&hdev->pdev->dev, "auto neg set cmd failed %d.\n",
2631 			ret);
2632 
2633 	return ret;
2634 }
2635 
hclge_set_autoneg(struct hnae3_handle * handle,bool enable)2636 static int hclge_set_autoneg(struct hnae3_handle *handle, bool enable)
2637 {
2638 	struct hclge_vport *vport = hclge_get_vport(handle);
2639 	struct hclge_dev *hdev = vport->back;
2640 
2641 	if (!hdev->hw.mac.support_autoneg) {
2642 		if (enable) {
2643 			dev_err(&hdev->pdev->dev,
2644 				"autoneg is not supported by current port\n");
2645 			return -EOPNOTSUPP;
2646 		} else {
2647 			return 0;
2648 		}
2649 	}
2650 
2651 	return hclge_set_autoneg_en(hdev, enable);
2652 }
2653 
hclge_get_autoneg(struct hnae3_handle * handle)2654 static int hclge_get_autoneg(struct hnae3_handle *handle)
2655 {
2656 	struct hclge_vport *vport = hclge_get_vport(handle);
2657 	struct hclge_dev *hdev = vport->back;
2658 	struct phy_device *phydev = hdev->hw.mac.phydev;
2659 
2660 	if (phydev)
2661 		return phydev->autoneg;
2662 
2663 	return hdev->hw.mac.autoneg;
2664 }
2665 
hclge_restart_autoneg(struct hnae3_handle * handle)2666 static int hclge_restart_autoneg(struct hnae3_handle *handle)
2667 {
2668 	struct hclge_vport *vport = hclge_get_vport(handle);
2669 	struct hclge_dev *hdev = vport->back;
2670 	int ret;
2671 
2672 	dev_dbg(&hdev->pdev->dev, "restart autoneg\n");
2673 
2674 	ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
2675 	if (ret)
2676 		return ret;
2677 	return hclge_notify_client(hdev, HNAE3_UP_CLIENT);
2678 }
2679 
hclge_halt_autoneg(struct hnae3_handle * handle,bool halt)2680 static int hclge_halt_autoneg(struct hnae3_handle *handle, bool halt)
2681 {
2682 	struct hclge_vport *vport = hclge_get_vport(handle);
2683 	struct hclge_dev *hdev = vport->back;
2684 
2685 	if (hdev->hw.mac.support_autoneg && hdev->hw.mac.autoneg)
2686 		return hclge_set_autoneg_en(hdev, !halt);
2687 
2688 	return 0;
2689 }
2690 
hclge_parse_fec_stats_lanes(struct hclge_dev * hdev,struct hclge_desc * desc,u32 desc_len)2691 static void hclge_parse_fec_stats_lanes(struct hclge_dev *hdev,
2692 					struct hclge_desc *desc, u32 desc_len)
2693 {
2694 	u32 lane_size = HCLGE_FEC_STATS_MAX_LANES * 2;
2695 	u32 desc_index = 0;
2696 	u32 data_index = 0;
2697 	u32 i;
2698 
2699 	for (i = 0; i < lane_size; i++) {
2700 		if (data_index >= HCLGE_DESC_DATA_LEN) {
2701 			desc_index++;
2702 			data_index = 0;
2703 		}
2704 
2705 		if (desc_index >= desc_len)
2706 			return;
2707 
2708 		hdev->fec_stats.per_lanes[i] +=
2709 			le32_to_cpu(desc[desc_index].data[data_index]);
2710 		data_index++;
2711 	}
2712 }
2713 
hclge_parse_fec_stats(struct hclge_dev * hdev,struct hclge_desc * desc,u32 desc_len)2714 static void hclge_parse_fec_stats(struct hclge_dev *hdev,
2715 				  struct hclge_desc *desc, u32 desc_len)
2716 {
2717 	struct hclge_query_fec_stats_cmd *req;
2718 
2719 	req = (struct hclge_query_fec_stats_cmd *)desc[0].data;
2720 
2721 	hdev->fec_stats.base_r_lane_num = req->base_r_lane_num;
2722 	hdev->fec_stats.rs_corr_blocks +=
2723 		le32_to_cpu(req->rs_fec_corr_blocks);
2724 	hdev->fec_stats.rs_uncorr_blocks +=
2725 		le32_to_cpu(req->rs_fec_uncorr_blocks);
2726 	hdev->fec_stats.rs_error_blocks +=
2727 		le32_to_cpu(req->rs_fec_error_blocks);
2728 	hdev->fec_stats.base_r_corr_blocks +=
2729 		le32_to_cpu(req->base_r_fec_corr_blocks);
2730 	hdev->fec_stats.base_r_uncorr_blocks +=
2731 		le32_to_cpu(req->base_r_fec_uncorr_blocks);
2732 
2733 	hclge_parse_fec_stats_lanes(hdev, &desc[1], desc_len - 1);
2734 }
2735 
hclge_update_fec_stats_hw(struct hclge_dev * hdev)2736 static int hclge_update_fec_stats_hw(struct hclge_dev *hdev)
2737 {
2738 	struct hclge_desc desc[HCLGE_FEC_STATS_CMD_NUM];
2739 	int ret;
2740 	u32 i;
2741 
2742 	for (i = 0; i < HCLGE_FEC_STATS_CMD_NUM; i++) {
2743 		hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_QUERY_FEC_STATS,
2744 					   true);
2745 		if (i != (HCLGE_FEC_STATS_CMD_NUM - 1))
2746 			desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
2747 	}
2748 
2749 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_FEC_STATS_CMD_NUM);
2750 	if (ret)
2751 		return ret;
2752 
2753 	hclge_parse_fec_stats(hdev, desc, HCLGE_FEC_STATS_CMD_NUM);
2754 
2755 	return 0;
2756 }
2757 
hclge_update_fec_stats(struct hclge_dev * hdev)2758 static void hclge_update_fec_stats(struct hclge_dev *hdev)
2759 {
2760 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
2761 	int ret;
2762 
2763 	if (!hnae3_ae_dev_fec_stats_supported(ae_dev) ||
2764 	    test_and_set_bit(HCLGE_STATE_FEC_STATS_UPDATING, &hdev->state))
2765 		return;
2766 
2767 	ret = hclge_update_fec_stats_hw(hdev);
2768 	if (ret)
2769 		dev_err(&hdev->pdev->dev,
2770 			"failed to update fec stats, ret = %d\n", ret);
2771 
2772 	clear_bit(HCLGE_STATE_FEC_STATS_UPDATING, &hdev->state);
2773 }
2774 
hclge_get_fec_stats_total(struct hclge_dev * hdev,struct ethtool_fec_stats * fec_stats)2775 static void hclge_get_fec_stats_total(struct hclge_dev *hdev,
2776 				      struct ethtool_fec_stats *fec_stats)
2777 {
2778 	fec_stats->corrected_blocks.total = hdev->fec_stats.rs_corr_blocks;
2779 	fec_stats->uncorrectable_blocks.total =
2780 		hdev->fec_stats.rs_uncorr_blocks;
2781 }
2782 
hclge_get_fec_stats_lanes(struct hclge_dev * hdev,struct ethtool_fec_stats * fec_stats)2783 static void hclge_get_fec_stats_lanes(struct hclge_dev *hdev,
2784 				      struct ethtool_fec_stats *fec_stats)
2785 {
2786 	u32 i;
2787 
2788 	if (hdev->fec_stats.base_r_lane_num == 0 ||
2789 	    hdev->fec_stats.base_r_lane_num > HCLGE_FEC_STATS_MAX_LANES) {
2790 		dev_err(&hdev->pdev->dev,
2791 			"fec stats lane number(%llu) is invalid\n",
2792 			hdev->fec_stats.base_r_lane_num);
2793 		return;
2794 	}
2795 
2796 	for (i = 0; i < hdev->fec_stats.base_r_lane_num; i++) {
2797 		fec_stats->corrected_blocks.lanes[i] =
2798 			hdev->fec_stats.base_r_corr_per_lanes[i];
2799 		fec_stats->uncorrectable_blocks.lanes[i] =
2800 			hdev->fec_stats.base_r_uncorr_per_lanes[i];
2801 	}
2802 }
2803 
hclge_comm_get_fec_stats(struct hclge_dev * hdev,struct ethtool_fec_stats * fec_stats)2804 static void hclge_comm_get_fec_stats(struct hclge_dev *hdev,
2805 				     struct ethtool_fec_stats *fec_stats)
2806 {
2807 	u32 fec_mode = hdev->hw.mac.fec_mode;
2808 
2809 	switch (fec_mode) {
2810 	case BIT(HNAE3_FEC_RS):
2811 	case BIT(HNAE3_FEC_LLRS):
2812 		hclge_get_fec_stats_total(hdev, fec_stats);
2813 		break;
2814 	case BIT(HNAE3_FEC_BASER):
2815 		hclge_get_fec_stats_lanes(hdev, fec_stats);
2816 		break;
2817 	default:
2818 		dev_err(&hdev->pdev->dev,
2819 			"fec stats is not supported by current fec mode(0x%x)\n",
2820 			fec_mode);
2821 		break;
2822 	}
2823 }
2824 
hclge_get_fec_stats(struct hnae3_handle * handle,struct ethtool_fec_stats * fec_stats)2825 static void hclge_get_fec_stats(struct hnae3_handle *handle,
2826 				struct ethtool_fec_stats *fec_stats)
2827 {
2828 	struct hclge_vport *vport = hclge_get_vport(handle);
2829 	struct hclge_dev *hdev = vport->back;
2830 	u32 fec_mode = hdev->hw.mac.fec_mode;
2831 
2832 	if (fec_mode == BIT(HNAE3_FEC_NONE) ||
2833 	    fec_mode == BIT(HNAE3_FEC_AUTO) ||
2834 	    fec_mode == BIT(HNAE3_FEC_USER_DEF))
2835 		return;
2836 
2837 	hclge_update_fec_stats(hdev);
2838 
2839 	hclge_comm_get_fec_stats(hdev, fec_stats);
2840 }
2841 
hclge_set_fec_hw(struct hclge_dev * hdev,u32 fec_mode)2842 static int hclge_set_fec_hw(struct hclge_dev *hdev, u32 fec_mode)
2843 {
2844 	struct hclge_config_fec_cmd *req;
2845 	struct hclge_desc desc;
2846 	int ret;
2847 
2848 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_FEC_MODE, false);
2849 
2850 	req = (struct hclge_config_fec_cmd *)desc.data;
2851 	if (fec_mode & BIT(HNAE3_FEC_AUTO))
2852 		hnae3_set_bit(req->fec_mode, HCLGE_MAC_CFG_FEC_AUTO_EN_B, 1);
2853 	if (fec_mode & BIT(HNAE3_FEC_RS))
2854 		hnae3_set_field(req->fec_mode, HCLGE_MAC_CFG_FEC_MODE_M,
2855 				HCLGE_MAC_CFG_FEC_MODE_S, HCLGE_MAC_FEC_RS);
2856 	if (fec_mode & BIT(HNAE3_FEC_LLRS))
2857 		hnae3_set_field(req->fec_mode, HCLGE_MAC_CFG_FEC_MODE_M,
2858 				HCLGE_MAC_CFG_FEC_MODE_S, HCLGE_MAC_FEC_LLRS);
2859 	if (fec_mode & BIT(HNAE3_FEC_BASER))
2860 		hnae3_set_field(req->fec_mode, HCLGE_MAC_CFG_FEC_MODE_M,
2861 				HCLGE_MAC_CFG_FEC_MODE_S, HCLGE_MAC_FEC_BASER);
2862 
2863 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2864 	if (ret)
2865 		dev_err(&hdev->pdev->dev, "set fec mode failed %d.\n", ret);
2866 
2867 	return ret;
2868 }
2869 
hclge_set_fec(struct hnae3_handle * handle,u32 fec_mode)2870 static int hclge_set_fec(struct hnae3_handle *handle, u32 fec_mode)
2871 {
2872 	struct hclge_vport *vport = hclge_get_vport(handle);
2873 	struct hclge_dev *hdev = vport->back;
2874 	struct hclge_mac *mac = &hdev->hw.mac;
2875 	int ret;
2876 
2877 	if (fec_mode && !(mac->fec_ability & fec_mode)) {
2878 		dev_err(&hdev->pdev->dev, "unsupported fec mode\n");
2879 		return -EINVAL;
2880 	}
2881 
2882 	ret = hclge_set_fec_hw(hdev, fec_mode);
2883 	if (ret)
2884 		return ret;
2885 
2886 	mac->user_fec_mode = fec_mode | BIT(HNAE3_FEC_USER_DEF);
2887 	return 0;
2888 }
2889 
hclge_get_fec(struct hnae3_handle * handle,u8 * fec_ability,u8 * fec_mode)2890 static void hclge_get_fec(struct hnae3_handle *handle, u8 *fec_ability,
2891 			  u8 *fec_mode)
2892 {
2893 	struct hclge_vport *vport = hclge_get_vport(handle);
2894 	struct hclge_dev *hdev = vport->back;
2895 	struct hclge_mac *mac = &hdev->hw.mac;
2896 
2897 	if (fec_ability)
2898 		*fec_ability = mac->fec_ability;
2899 	if (fec_mode)
2900 		*fec_mode = mac->fec_mode;
2901 }
2902 
hclge_mac_init(struct hclge_dev * hdev)2903 static int hclge_mac_init(struct hclge_dev *hdev)
2904 {
2905 	struct hclge_mac *mac = &hdev->hw.mac;
2906 	int ret;
2907 
2908 	hdev->support_sfp_query = true;
2909 
2910 	if (!test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
2911 		hdev->hw.mac.duplex = HCLGE_MAC_FULL;
2912 
2913 	if (hdev->hw.mac.support_autoneg) {
2914 		ret = hclge_set_autoneg_en(hdev, hdev->hw.mac.autoneg);
2915 		if (ret)
2916 			return ret;
2917 	}
2918 
2919 	if (!hdev->hw.mac.autoneg) {
2920 		ret = hclge_cfg_mac_speed_dup_hw(hdev, hdev->hw.mac.req_speed,
2921 						 hdev->hw.mac.req_duplex,
2922 						 hdev->hw.mac.lane_num);
2923 		if (ret)
2924 			return ret;
2925 	}
2926 
2927 	mac->link = 0;
2928 
2929 	if (mac->user_fec_mode & BIT(HNAE3_FEC_USER_DEF)) {
2930 		ret = hclge_set_fec_hw(hdev, mac->user_fec_mode);
2931 		if (ret)
2932 			return ret;
2933 	}
2934 
2935 	ret = hclge_set_mac_mtu(hdev, hdev->mps);
2936 	if (ret) {
2937 		dev_err(&hdev->pdev->dev, "set mtu failed ret=%d\n", ret);
2938 		return ret;
2939 	}
2940 
2941 	ret = hclge_set_default_loopback(hdev);
2942 	if (ret)
2943 		return ret;
2944 
2945 	ret = hclge_buffer_alloc(hdev);
2946 	if (ret)
2947 		dev_err(&hdev->pdev->dev,
2948 			"allocate buffer fail, ret=%d\n", ret);
2949 
2950 	return ret;
2951 }
2952 
hclge_mbx_task_schedule(struct hclge_dev * hdev)2953 static void hclge_mbx_task_schedule(struct hclge_dev *hdev)
2954 {
2955 	if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
2956 	    !test_and_set_bit(HCLGE_STATE_MBX_SERVICE_SCHED, &hdev->state)) {
2957 		hdev->last_mbx_scheduled = jiffies;
2958 		mod_delayed_work(hclge_wq, &hdev->service_task, 0);
2959 	}
2960 }
2961 
hclge_reset_task_schedule(struct hclge_dev * hdev)2962 static void hclge_reset_task_schedule(struct hclge_dev *hdev)
2963 {
2964 	if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
2965 	    test_bit(HCLGE_STATE_SERVICE_INITED, &hdev->state) &&
2966 	    !test_and_set_bit(HCLGE_STATE_RST_SERVICE_SCHED, &hdev->state)) {
2967 		hdev->last_rst_scheduled = jiffies;
2968 		mod_delayed_work(hclge_wq, &hdev->service_task, 0);
2969 	}
2970 }
2971 
hclge_errhand_task_schedule(struct hclge_dev * hdev)2972 static void hclge_errhand_task_schedule(struct hclge_dev *hdev)
2973 {
2974 	if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
2975 	    !test_and_set_bit(HCLGE_STATE_ERR_SERVICE_SCHED, &hdev->state))
2976 		mod_delayed_work(hclge_wq, &hdev->service_task, 0);
2977 }
2978 
hclge_task_schedule(struct hclge_dev * hdev,unsigned long delay_time)2979 void hclge_task_schedule(struct hclge_dev *hdev, unsigned long delay_time)
2980 {
2981 	if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
2982 	    !test_bit(HCLGE_STATE_RST_FAIL, &hdev->state))
2983 		mod_delayed_work(hclge_wq, &hdev->service_task, delay_time);
2984 }
2985 
hclge_get_mac_link_status(struct hclge_dev * hdev,int * link_status)2986 static int hclge_get_mac_link_status(struct hclge_dev *hdev, int *link_status)
2987 {
2988 	struct hclge_link_status_cmd *req;
2989 	struct hclge_desc desc;
2990 	int ret;
2991 
2992 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_STATUS, true);
2993 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2994 	if (ret) {
2995 		dev_err(&hdev->pdev->dev, "get link status cmd failed %d\n",
2996 			ret);
2997 		return ret;
2998 	}
2999 
3000 	req = (struct hclge_link_status_cmd *)desc.data;
3001 	*link_status = (req->status & HCLGE_LINK_STATUS_UP_M) > 0 ?
3002 		HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN;
3003 
3004 	return 0;
3005 }
3006 
hclge_get_mac_phy_link(struct hclge_dev * hdev,int * link_status)3007 static int hclge_get_mac_phy_link(struct hclge_dev *hdev, int *link_status)
3008 {
3009 	struct phy_device *phydev = hdev->hw.mac.phydev;
3010 
3011 	*link_status = HCLGE_LINK_STATUS_DOWN;
3012 
3013 	if (test_bit(HCLGE_STATE_DOWN, &hdev->state))
3014 		return 0;
3015 
3016 	if (phydev && (phydev->state != PHY_RUNNING || !phydev->link))
3017 		return 0;
3018 
3019 	return hclge_get_mac_link_status(hdev, link_status);
3020 }
3021 
hclge_push_link_status(struct hclge_dev * hdev)3022 static void hclge_push_link_status(struct hclge_dev *hdev)
3023 {
3024 	struct hclge_vport *vport;
3025 	int ret;
3026 	u16 i;
3027 
3028 	for (i = 0; i < pci_num_vf(hdev->pdev); i++) {
3029 		vport = &hdev->vport[i + HCLGE_VF_VPORT_START_NUM];
3030 
3031 		if (!test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state) ||
3032 		    vport->vf_info.link_state != IFLA_VF_LINK_STATE_AUTO)
3033 			continue;
3034 
3035 		ret = hclge_push_vf_link_status(vport);
3036 		if (ret) {
3037 			dev_err(&hdev->pdev->dev,
3038 				"failed to push link status to vf%u, ret = %d\n",
3039 				i, ret);
3040 		}
3041 	}
3042 }
3043 
hclge_update_link_status(struct hclge_dev * hdev)3044 static void hclge_update_link_status(struct hclge_dev *hdev)
3045 {
3046 	struct hnae3_handle *handle = &hdev->vport[0].nic;
3047 	struct hnae3_client *client = hdev->nic_client;
3048 	int state;
3049 	int ret;
3050 
3051 	if (!client)
3052 		return;
3053 
3054 	if (test_and_set_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state))
3055 		return;
3056 
3057 	ret = hclge_get_mac_phy_link(hdev, &state);
3058 	if (ret) {
3059 		clear_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state);
3060 		return;
3061 	}
3062 
3063 	if (state != hdev->hw.mac.link) {
3064 		hdev->hw.mac.link = state;
3065 		if (state == HCLGE_LINK_STATUS_UP)
3066 			hclge_update_port_info(hdev);
3067 
3068 		client->ops->link_status_change(handle, state);
3069 		hclge_config_mac_tnl_int(hdev, state);
3070 
3071 		if (test_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state)) {
3072 			struct hnae3_handle *rhandle = &hdev->vport[0].roce;
3073 			struct hnae3_client *rclient = hdev->roce_client;
3074 
3075 			if (rclient && rclient->ops->link_status_change)
3076 				rclient->ops->link_status_change(rhandle,
3077 								 state);
3078 		}
3079 
3080 		hclge_push_link_status(hdev);
3081 	}
3082 
3083 	clear_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state);
3084 }
3085 
hclge_update_speed_advertising(struct hclge_mac * mac)3086 static void hclge_update_speed_advertising(struct hclge_mac *mac)
3087 {
3088 	u32 speed_ability;
3089 
3090 	if (hclge_get_speed_bit(mac->speed, &speed_ability))
3091 		return;
3092 
3093 	switch (mac->module_type) {
3094 	case HNAE3_MODULE_TYPE_FIBRE_LR:
3095 		hclge_convert_setting_lr(speed_ability, mac->advertising);
3096 		break;
3097 	case HNAE3_MODULE_TYPE_FIBRE_SR:
3098 	case HNAE3_MODULE_TYPE_AOC:
3099 		hclge_convert_setting_sr(speed_ability, mac->advertising);
3100 		break;
3101 	case HNAE3_MODULE_TYPE_CR:
3102 		hclge_convert_setting_cr(speed_ability, mac->advertising);
3103 		break;
3104 	case HNAE3_MODULE_TYPE_KR:
3105 		hclge_convert_setting_kr(speed_ability, mac->advertising);
3106 		break;
3107 	default:
3108 		break;
3109 	}
3110 }
3111 
hclge_update_fec_advertising(struct hclge_mac * mac)3112 static void hclge_update_fec_advertising(struct hclge_mac *mac)
3113 {
3114 	if (mac->fec_mode & BIT(HNAE3_FEC_RS))
3115 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
3116 				 mac->advertising);
3117 	else if (mac->fec_mode & BIT(HNAE3_FEC_LLRS))
3118 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
3119 				 mac->advertising);
3120 	else if (mac->fec_mode & BIT(HNAE3_FEC_BASER))
3121 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
3122 				 mac->advertising);
3123 	else
3124 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
3125 				 mac->advertising);
3126 }
3127 
hclge_update_pause_advertising(struct hclge_dev * hdev)3128 static void hclge_update_pause_advertising(struct hclge_dev *hdev)
3129 {
3130 	struct hclge_mac *mac = &hdev->hw.mac;
3131 	bool rx_en, tx_en;
3132 
3133 	switch (hdev->fc_mode_last_time) {
3134 	case HCLGE_FC_RX_PAUSE:
3135 		rx_en = true;
3136 		tx_en = false;
3137 		break;
3138 	case HCLGE_FC_TX_PAUSE:
3139 		rx_en = false;
3140 		tx_en = true;
3141 		break;
3142 	case HCLGE_FC_FULL:
3143 		rx_en = true;
3144 		tx_en = true;
3145 		break;
3146 	default:
3147 		rx_en = false;
3148 		tx_en = false;
3149 		break;
3150 	}
3151 
3152 	linkmode_set_pause(mac->advertising, tx_en, rx_en);
3153 }
3154 
hclge_update_advertising(struct hclge_dev * hdev)3155 static void hclge_update_advertising(struct hclge_dev *hdev)
3156 {
3157 	struct hclge_mac *mac = &hdev->hw.mac;
3158 
3159 	linkmode_zero(mac->advertising);
3160 	hclge_update_speed_advertising(mac);
3161 	hclge_update_fec_advertising(mac);
3162 	hclge_update_pause_advertising(hdev);
3163 }
3164 
hclge_update_port_capability(struct hclge_dev * hdev,struct hclge_mac * mac)3165 static void hclge_update_port_capability(struct hclge_dev *hdev,
3166 					 struct hclge_mac *mac)
3167 {
3168 	if (hnae3_dev_fec_supported(hdev))
3169 		hclge_convert_setting_fec(mac);
3170 
3171 	/* firmware can not identify back plane type, the media type
3172 	 * read from configuration can help deal it
3173 	 */
3174 	if (mac->media_type == HNAE3_MEDIA_TYPE_BACKPLANE &&
3175 	    mac->module_type == HNAE3_MODULE_TYPE_UNKNOWN)
3176 		mac->module_type = HNAE3_MODULE_TYPE_KR;
3177 	else if (mac->media_type == HNAE3_MEDIA_TYPE_COPPER)
3178 		mac->module_type = HNAE3_MODULE_TYPE_TP;
3179 
3180 	if (mac->support_autoneg) {
3181 		linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, mac->supported);
3182 		linkmode_copy(mac->advertising, mac->supported);
3183 	} else {
3184 		linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
3185 				   mac->supported);
3186 		hclge_update_advertising(hdev);
3187 	}
3188 }
3189 
hclge_get_sfp_speed(struct hclge_dev * hdev,u32 * speed)3190 static int hclge_get_sfp_speed(struct hclge_dev *hdev, u32 *speed)
3191 {
3192 	struct hclge_sfp_info_cmd *resp;
3193 	struct hclge_desc desc;
3194 	int ret;
3195 
3196 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GET_SFP_INFO, true);
3197 	resp = (struct hclge_sfp_info_cmd *)desc.data;
3198 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
3199 	if (ret == -EOPNOTSUPP) {
3200 		dev_warn(&hdev->pdev->dev,
3201 			 "IMP do not support get SFP speed %d\n", ret);
3202 		return ret;
3203 	} else if (ret) {
3204 		dev_err(&hdev->pdev->dev, "get sfp speed failed %d\n", ret);
3205 		return ret;
3206 	}
3207 
3208 	*speed = le32_to_cpu(resp->speed);
3209 
3210 	return 0;
3211 }
3212 
hclge_get_sfp_info(struct hclge_dev * hdev,struct hclge_mac * mac)3213 static int hclge_get_sfp_info(struct hclge_dev *hdev, struct hclge_mac *mac)
3214 {
3215 	struct hclge_sfp_info_cmd *resp;
3216 	struct hclge_desc desc;
3217 	int ret;
3218 
3219 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GET_SFP_INFO, true);
3220 	resp = (struct hclge_sfp_info_cmd *)desc.data;
3221 
3222 	resp->query_type = QUERY_ACTIVE_SPEED;
3223 
3224 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
3225 	if (ret == -EOPNOTSUPP) {
3226 		dev_warn(&hdev->pdev->dev,
3227 			 "IMP does not support get SFP info %d\n", ret);
3228 		return ret;
3229 	} else if (ret) {
3230 		dev_err(&hdev->pdev->dev, "get sfp info failed %d\n", ret);
3231 		return ret;
3232 	}
3233 
3234 	/* In some case, mac speed get from IMP may be 0, it shouldn't be
3235 	 * set to mac->speed.
3236 	 */
3237 	if (!le32_to_cpu(resp->speed))
3238 		return 0;
3239 
3240 	mac->speed = le32_to_cpu(resp->speed);
3241 	/* if resp->speed_ability is 0, it means it's an old version
3242 	 * firmware, do not update these params
3243 	 */
3244 	if (resp->speed_ability) {
3245 		mac->module_type = le32_to_cpu(resp->module_type);
3246 		mac->speed_ability = le32_to_cpu(resp->speed_ability);
3247 		mac->autoneg = resp->autoneg;
3248 		mac->support_autoneg = resp->autoneg_ability;
3249 		mac->speed_type = QUERY_ACTIVE_SPEED;
3250 		mac->lane_num = resp->lane_num;
3251 		if (!resp->active_fec)
3252 			mac->fec_mode = 0;
3253 		else
3254 			mac->fec_mode = BIT(resp->active_fec);
3255 		mac->fec_ability = resp->fec_ability;
3256 	} else {
3257 		mac->speed_type = QUERY_SFP_SPEED;
3258 	}
3259 
3260 	return 0;
3261 }
3262 
hclge_get_phy_link_ksettings(struct hnae3_handle * handle,struct ethtool_link_ksettings * cmd)3263 static int hclge_get_phy_link_ksettings(struct hnae3_handle *handle,
3264 					struct ethtool_link_ksettings *cmd)
3265 {
3266 	struct hclge_desc desc[HCLGE_PHY_LINK_SETTING_BD_NUM];
3267 	struct hclge_vport *vport = hclge_get_vport(handle);
3268 	struct hclge_phy_link_ksetting_0_cmd *req0;
3269 	struct hclge_phy_link_ksetting_1_cmd *req1;
3270 	u32 supported, advertising, lp_advertising;
3271 	struct hclge_dev *hdev = vport->back;
3272 	int ret;
3273 
3274 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_PHY_LINK_KSETTING,
3275 				   true);
3276 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
3277 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_PHY_LINK_KSETTING,
3278 				   true);
3279 
3280 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_PHY_LINK_SETTING_BD_NUM);
3281 	if (ret) {
3282 		dev_err(&hdev->pdev->dev,
3283 			"failed to get phy link ksetting, ret = %d.\n", ret);
3284 		return ret;
3285 	}
3286 
3287 	req0 = (struct hclge_phy_link_ksetting_0_cmd *)desc[0].data;
3288 	cmd->base.autoneg = req0->autoneg;
3289 	cmd->base.speed = le32_to_cpu(req0->speed);
3290 	cmd->base.duplex = req0->duplex;
3291 	cmd->base.port = req0->port;
3292 	cmd->base.transceiver = req0->transceiver;
3293 	cmd->base.phy_address = req0->phy_address;
3294 	cmd->base.eth_tp_mdix = req0->eth_tp_mdix;
3295 	cmd->base.eth_tp_mdix_ctrl = req0->eth_tp_mdix_ctrl;
3296 	supported = le32_to_cpu(req0->supported);
3297 	advertising = le32_to_cpu(req0->advertising);
3298 	lp_advertising = le32_to_cpu(req0->lp_advertising);
3299 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
3300 						supported);
3301 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
3302 						advertising);
3303 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
3304 						lp_advertising);
3305 
3306 	req1 = (struct hclge_phy_link_ksetting_1_cmd *)desc[1].data;
3307 	cmd->base.master_slave_cfg = req1->master_slave_cfg;
3308 	cmd->base.master_slave_state = req1->master_slave_state;
3309 
3310 	return 0;
3311 }
3312 
3313 static int
hclge_set_phy_link_ksettings(struct hnae3_handle * handle,const struct ethtool_link_ksettings * cmd)3314 hclge_set_phy_link_ksettings(struct hnae3_handle *handle,
3315 			     const struct ethtool_link_ksettings *cmd)
3316 {
3317 	struct hclge_desc desc[HCLGE_PHY_LINK_SETTING_BD_NUM];
3318 	struct hclge_vport *vport = hclge_get_vport(handle);
3319 	struct hclge_phy_link_ksetting_0_cmd *req0;
3320 	struct hclge_phy_link_ksetting_1_cmd *req1;
3321 	struct hclge_dev *hdev = vport->back;
3322 	u32 advertising;
3323 	int ret;
3324 
3325 	if (cmd->base.autoneg == AUTONEG_DISABLE &&
3326 	    ((cmd->base.speed != SPEED_100 && cmd->base.speed != SPEED_10) ||
3327 	     (cmd->base.duplex != DUPLEX_HALF &&
3328 	      cmd->base.duplex != DUPLEX_FULL)))
3329 		return -EINVAL;
3330 
3331 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_PHY_LINK_KSETTING,
3332 				   false);
3333 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
3334 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_PHY_LINK_KSETTING,
3335 				   false);
3336 
3337 	req0 = (struct hclge_phy_link_ksetting_0_cmd *)desc[0].data;
3338 	req0->autoneg = cmd->base.autoneg;
3339 	req0->speed = cpu_to_le32(cmd->base.speed);
3340 	req0->duplex = cmd->base.duplex;
3341 	ethtool_convert_link_mode_to_legacy_u32(&advertising,
3342 						cmd->link_modes.advertising);
3343 	req0->advertising = cpu_to_le32(advertising);
3344 	req0->eth_tp_mdix_ctrl = cmd->base.eth_tp_mdix_ctrl;
3345 
3346 	req1 = (struct hclge_phy_link_ksetting_1_cmd *)desc[1].data;
3347 	req1->master_slave_cfg = cmd->base.master_slave_cfg;
3348 
3349 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_PHY_LINK_SETTING_BD_NUM);
3350 	if (ret) {
3351 		dev_err(&hdev->pdev->dev,
3352 			"failed to set phy link ksettings, ret = %d.\n", ret);
3353 		return ret;
3354 	}
3355 
3356 	hdev->hw.mac.req_autoneg = cmd->base.autoneg;
3357 	hdev->hw.mac.req_speed = cmd->base.speed;
3358 	hdev->hw.mac.req_duplex = cmd->base.duplex;
3359 	linkmode_copy(hdev->hw.mac.advertising, cmd->link_modes.advertising);
3360 
3361 	return 0;
3362 }
3363 
hclge_update_tp_port_info(struct hclge_dev * hdev)3364 static int hclge_update_tp_port_info(struct hclge_dev *hdev)
3365 {
3366 	struct ethtool_link_ksettings cmd;
3367 	int ret;
3368 
3369 	if (!hnae3_dev_phy_imp_supported(hdev))
3370 		return 0;
3371 
3372 	ret = hclge_get_phy_link_ksettings(&hdev->vport->nic, &cmd);
3373 	if (ret)
3374 		return ret;
3375 
3376 	hdev->hw.mac.autoneg = cmd.base.autoneg;
3377 	hdev->hw.mac.speed = cmd.base.speed;
3378 	hdev->hw.mac.duplex = cmd.base.duplex;
3379 	linkmode_copy(hdev->hw.mac.advertising, cmd.link_modes.advertising);
3380 
3381 	return 0;
3382 }
3383 
hclge_tp_port_init(struct hclge_dev * hdev)3384 static int hclge_tp_port_init(struct hclge_dev *hdev)
3385 {
3386 	struct ethtool_link_ksettings cmd;
3387 
3388 	if (!hnae3_dev_phy_imp_supported(hdev))
3389 		return 0;
3390 
3391 	cmd.base.autoneg = hdev->hw.mac.req_autoneg;
3392 	cmd.base.speed = hdev->hw.mac.req_speed;
3393 	cmd.base.duplex = hdev->hw.mac.req_duplex;
3394 	linkmode_copy(cmd.link_modes.advertising, hdev->hw.mac.advertising);
3395 
3396 	return hclge_set_phy_link_ksettings(&hdev->vport->nic, &cmd);
3397 }
3398 
hclge_update_port_info(struct hclge_dev * hdev)3399 static int hclge_update_port_info(struct hclge_dev *hdev)
3400 {
3401 	struct hclge_mac *mac = &hdev->hw.mac;
3402 	int speed;
3403 	int ret;
3404 
3405 	/* get the port info from SFP cmd if not copper port */
3406 	if (mac->media_type == HNAE3_MEDIA_TYPE_COPPER)
3407 		return hclge_update_tp_port_info(hdev);
3408 
3409 	/* if IMP does not support get SFP/qSFP info, return directly */
3410 	if (!hdev->support_sfp_query)
3411 		return 0;
3412 
3413 	if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
3414 		speed = mac->speed;
3415 		ret = hclge_get_sfp_info(hdev, mac);
3416 	} else {
3417 		speed = HCLGE_MAC_SPEED_UNKNOWN;
3418 		ret = hclge_get_sfp_speed(hdev, &speed);
3419 	}
3420 
3421 	if (ret == -EOPNOTSUPP) {
3422 		hdev->support_sfp_query = false;
3423 		return ret;
3424 	} else if (ret) {
3425 		return ret;
3426 	}
3427 
3428 	if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
3429 		if (mac->speed_type == QUERY_ACTIVE_SPEED) {
3430 			hclge_update_port_capability(hdev, mac);
3431 			if (mac->speed != speed)
3432 				(void)hclge_tm_port_shaper_cfg(hdev);
3433 			return 0;
3434 		}
3435 		return hclge_cfg_mac_speed_dup(hdev, mac->speed,
3436 					       HCLGE_MAC_FULL, mac->lane_num);
3437 	} else {
3438 		if (speed == HCLGE_MAC_SPEED_UNKNOWN)
3439 			return 0; /* do nothing if no SFP */
3440 
3441 		/* must config full duplex for SFP */
3442 		return hclge_cfg_mac_speed_dup(hdev, speed, HCLGE_MAC_FULL, 0);
3443 	}
3444 }
3445 
hclge_get_status(struct hnae3_handle * handle)3446 static int hclge_get_status(struct hnae3_handle *handle)
3447 {
3448 	struct hclge_vport *vport = hclge_get_vport(handle);
3449 	struct hclge_dev *hdev = vport->back;
3450 
3451 	hclge_update_link_status(hdev);
3452 
3453 	return hdev->hw.mac.link;
3454 }
3455 
hclge_get_vf_vport(struct hclge_dev * hdev,int vf)3456 static struct hclge_vport *hclge_get_vf_vport(struct hclge_dev *hdev, int vf)
3457 {
3458 	if (!pci_num_vf(hdev->pdev)) {
3459 		dev_err(&hdev->pdev->dev,
3460 			"SRIOV is disabled, can not get vport(%d) info.\n", vf);
3461 		return NULL;
3462 	}
3463 
3464 	if (vf < 0 || vf >= pci_num_vf(hdev->pdev)) {
3465 		dev_err(&hdev->pdev->dev,
3466 			"vf id(%d) is out of range(0 <= vfid < %d)\n",
3467 			vf, pci_num_vf(hdev->pdev));
3468 		return NULL;
3469 	}
3470 
3471 	/* VF start from 1 in vport */
3472 	vf += HCLGE_VF_VPORT_START_NUM;
3473 	return &hdev->vport[vf];
3474 }
3475 
hclge_get_vf_config(struct hnae3_handle * handle,int vf,struct ifla_vf_info * ivf)3476 static int hclge_get_vf_config(struct hnae3_handle *handle, int vf,
3477 			       struct ifla_vf_info *ivf)
3478 {
3479 	struct hclge_vport *vport = hclge_get_vport(handle);
3480 	struct hclge_dev *hdev = vport->back;
3481 
3482 	vport = hclge_get_vf_vport(hdev, vf);
3483 	if (!vport)
3484 		return -EINVAL;
3485 
3486 	ivf->vf = vf;
3487 	ivf->linkstate = vport->vf_info.link_state;
3488 	ivf->spoofchk = vport->vf_info.spoofchk;
3489 	ivf->trusted = vport->vf_info.trusted;
3490 	ivf->min_tx_rate = 0;
3491 	ivf->max_tx_rate = vport->vf_info.max_tx_rate;
3492 	ivf->vlan = vport->port_base_vlan_cfg.vlan_info.vlan_tag;
3493 	ivf->vlan_proto = htons(vport->port_base_vlan_cfg.vlan_info.vlan_proto);
3494 	ivf->qos = vport->port_base_vlan_cfg.vlan_info.qos;
3495 	ether_addr_copy(ivf->mac, vport->vf_info.mac);
3496 
3497 	return 0;
3498 }
3499 
hclge_set_vf_link_state(struct hnae3_handle * handle,int vf,int link_state)3500 static int hclge_set_vf_link_state(struct hnae3_handle *handle, int vf,
3501 				   int link_state)
3502 {
3503 	struct hclge_vport *vport = hclge_get_vport(handle);
3504 	struct hclge_dev *hdev = vport->back;
3505 	int link_state_old;
3506 	int ret;
3507 
3508 	vport = hclge_get_vf_vport(hdev, vf);
3509 	if (!vport)
3510 		return -EINVAL;
3511 
3512 	link_state_old = vport->vf_info.link_state;
3513 	vport->vf_info.link_state = link_state;
3514 
3515 	/* return success directly if the VF is unalive, VF will
3516 	 * query link state itself when it starts work.
3517 	 */
3518 	if (!test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state))
3519 		return 0;
3520 
3521 	ret = hclge_push_vf_link_status(vport);
3522 	if (ret) {
3523 		vport->vf_info.link_state = link_state_old;
3524 		dev_err(&hdev->pdev->dev,
3525 			"failed to push vf%d link status, ret = %d\n", vf, ret);
3526 	}
3527 
3528 	return ret;
3529 }
3530 
hclge_check_event_cause(struct hclge_dev * hdev,u32 * clearval)3531 static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
3532 {
3533 	u32 cmdq_src_reg, msix_src_reg, hw_err_src_reg;
3534 
3535 	/* fetch the events from their corresponding regs */
3536 	cmdq_src_reg = hclge_read_dev(&hdev->hw, HCLGE_VECTOR0_CMDQ_SRC_REG);
3537 	msix_src_reg = hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS);
3538 	hw_err_src_reg = hclge_read_dev(&hdev->hw,
3539 					HCLGE_RAS_PF_OTHER_INT_STS_REG);
3540 
3541 	/* Assumption: If by any chance reset and mailbox events are reported
3542 	 * together then we will only process reset event in this go and will
3543 	 * defer the processing of the mailbox events. Since, we would have not
3544 	 * cleared RX CMDQ event this time we would receive again another
3545 	 * interrupt from H/W just for the mailbox.
3546 	 *
3547 	 * check for vector0 reset event sources
3548 	 */
3549 	if (BIT(HCLGE_VECTOR0_IMPRESET_INT_B) & msix_src_reg) {
3550 		dev_info(&hdev->pdev->dev, "IMP reset interrupt\n");
3551 		set_bit(HNAE3_IMP_RESET, &hdev->reset_pending);
3552 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
3553 		*clearval = BIT(HCLGE_VECTOR0_IMPRESET_INT_B);
3554 		hdev->rst_stats.imp_rst_cnt++;
3555 		return HCLGE_VECTOR0_EVENT_RST;
3556 	}
3557 
3558 	if (BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B) & msix_src_reg) {
3559 		dev_info(&hdev->pdev->dev, "global reset interrupt\n");
3560 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
3561 		set_bit(HNAE3_GLOBAL_RESET, &hdev->reset_pending);
3562 		*clearval = BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B);
3563 		hdev->rst_stats.global_rst_cnt++;
3564 		return HCLGE_VECTOR0_EVENT_RST;
3565 	}
3566 
3567 	/* check for vector0 msix event and hardware error event source */
3568 	if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK ||
3569 	    hw_err_src_reg & HCLGE_RAS_REG_ERR_MASK)
3570 		return HCLGE_VECTOR0_EVENT_ERR;
3571 
3572 	/* check for vector0 ptp event source */
3573 	if (BIT(HCLGE_VECTOR0_REG_PTP_INT_B) & msix_src_reg) {
3574 		*clearval = msix_src_reg;
3575 		return HCLGE_VECTOR0_EVENT_PTP;
3576 	}
3577 
3578 	/* check for vector0 mailbox(=CMDQ RX) event source */
3579 	if (BIT(HCLGE_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_reg) {
3580 		cmdq_src_reg &= ~BIT(HCLGE_VECTOR0_RX_CMDQ_INT_B);
3581 		*clearval = cmdq_src_reg;
3582 		return HCLGE_VECTOR0_EVENT_MBX;
3583 	}
3584 
3585 	/* print other vector0 event source */
3586 	dev_info(&hdev->pdev->dev,
3587 		 "INT status: CMDQ(%#x) HW errors(%#x) other(%#x)\n",
3588 		 cmdq_src_reg, hw_err_src_reg, msix_src_reg);
3589 
3590 	return HCLGE_VECTOR0_EVENT_OTHER;
3591 }
3592 
hclge_clear_event_cause(struct hclge_dev * hdev,u32 event_type,u32 regclr)3593 static void hclge_clear_event_cause(struct hclge_dev *hdev, u32 event_type,
3594 				    u32 regclr)
3595 {
3596 #define HCLGE_IMP_RESET_DELAY		5
3597 
3598 	switch (event_type) {
3599 	case HCLGE_VECTOR0_EVENT_PTP:
3600 	case HCLGE_VECTOR0_EVENT_RST:
3601 		if (regclr == BIT(HCLGE_VECTOR0_IMPRESET_INT_B))
3602 			mdelay(HCLGE_IMP_RESET_DELAY);
3603 
3604 		hclge_write_dev(&hdev->hw, HCLGE_MISC_RESET_STS_REG, regclr);
3605 		break;
3606 	case HCLGE_VECTOR0_EVENT_MBX:
3607 		hclge_write_dev(&hdev->hw, HCLGE_VECTOR0_CMDQ_SRC_REG, regclr);
3608 		break;
3609 	default:
3610 		break;
3611 	}
3612 }
3613 
hclge_clear_all_event_cause(struct hclge_dev * hdev)3614 static void hclge_clear_all_event_cause(struct hclge_dev *hdev)
3615 {
3616 	hclge_clear_event_cause(hdev, HCLGE_VECTOR0_EVENT_RST,
3617 				BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B) |
3618 				BIT(HCLGE_VECTOR0_CORERESET_INT_B) |
3619 				BIT(HCLGE_VECTOR0_IMPRESET_INT_B));
3620 	hclge_clear_event_cause(hdev, HCLGE_VECTOR0_EVENT_MBX, 0);
3621 }
3622 
hclge_enable_vector(struct hclge_misc_vector * vector,bool enable)3623 static void hclge_enable_vector(struct hclge_misc_vector *vector, bool enable)
3624 {
3625 	writel(enable ? 1 : 0, vector->addr);
3626 }
3627 
hclge_misc_irq_handle(int irq,void * data)3628 static irqreturn_t hclge_misc_irq_handle(int irq, void *data)
3629 {
3630 	struct hclge_dev *hdev = data;
3631 	unsigned long flags;
3632 	u32 clearval = 0;
3633 	u32 event_cause;
3634 
3635 	hclge_enable_vector(&hdev->misc_vector, false);
3636 	event_cause = hclge_check_event_cause(hdev, &clearval);
3637 
3638 	/* vector 0 interrupt is shared with reset and mailbox source events. */
3639 	switch (event_cause) {
3640 	case HCLGE_VECTOR0_EVENT_ERR:
3641 		hclge_errhand_task_schedule(hdev);
3642 		break;
3643 	case HCLGE_VECTOR0_EVENT_RST:
3644 		hclge_reset_task_schedule(hdev);
3645 		break;
3646 	case HCLGE_VECTOR0_EVENT_PTP:
3647 		spin_lock_irqsave(&hdev->ptp->lock, flags);
3648 		hclge_ptp_clean_tx_hwts(hdev);
3649 		spin_unlock_irqrestore(&hdev->ptp->lock, flags);
3650 		break;
3651 	case HCLGE_VECTOR0_EVENT_MBX:
3652 		/* If we are here then,
3653 		 * 1. Either we are not handling any mbx task and we are not
3654 		 *    scheduled as well
3655 		 *                        OR
3656 		 * 2. We could be handling a mbx task but nothing more is
3657 		 *    scheduled.
3658 		 * In both cases, we should schedule mbx task as there are more
3659 		 * mbx messages reported by this interrupt.
3660 		 */
3661 		hclge_mbx_task_schedule(hdev);
3662 		break;
3663 	default:
3664 		dev_warn(&hdev->pdev->dev,
3665 			 "received unknown or unhandled event of vector0\n");
3666 		break;
3667 	}
3668 
3669 	hclge_clear_event_cause(hdev, event_cause, clearval);
3670 
3671 	/* Enable interrupt if it is not caused by reset event or error event */
3672 	if (event_cause == HCLGE_VECTOR0_EVENT_PTP ||
3673 	    event_cause == HCLGE_VECTOR0_EVENT_MBX ||
3674 	    event_cause == HCLGE_VECTOR0_EVENT_OTHER)
3675 		hclge_enable_vector(&hdev->misc_vector, true);
3676 
3677 	return IRQ_HANDLED;
3678 }
3679 
hclge_free_vector(struct hclge_dev * hdev,int vector_id)3680 static void hclge_free_vector(struct hclge_dev *hdev, int vector_id)
3681 {
3682 	if (hdev->vector_status[vector_id] == HCLGE_INVALID_VPORT) {
3683 		dev_warn(&hdev->pdev->dev,
3684 			 "vector(vector_id %d) has been freed.\n", vector_id);
3685 		return;
3686 	}
3687 
3688 	hdev->vector_status[vector_id] = HCLGE_INVALID_VPORT;
3689 	hdev->num_msi_left += 1;
3690 	hdev->num_msi_used -= 1;
3691 }
3692 
hclge_get_misc_vector(struct hclge_dev * hdev)3693 static void hclge_get_misc_vector(struct hclge_dev *hdev)
3694 {
3695 	struct hclge_misc_vector *vector = &hdev->misc_vector;
3696 
3697 	vector->vector_irq = pci_irq_vector(hdev->pdev, 0);
3698 
3699 	vector->addr = hdev->hw.hw.io_base + HCLGE_MISC_VECTOR_REG_BASE;
3700 	hdev->vector_status[0] = 0;
3701 
3702 	hdev->num_msi_left -= 1;
3703 	hdev->num_msi_used += 1;
3704 }
3705 
hclge_misc_irq_init(struct hclge_dev * hdev)3706 static int hclge_misc_irq_init(struct hclge_dev *hdev)
3707 {
3708 	int ret;
3709 
3710 	hclge_get_misc_vector(hdev);
3711 
3712 	/* this would be explicitly freed in the end */
3713 	snprintf(hdev->misc_vector.name, HNAE3_INT_NAME_LEN, "%s-misc-%s",
3714 		 HCLGE_NAME, pci_name(hdev->pdev));
3715 	ret = request_irq(hdev->misc_vector.vector_irq, hclge_misc_irq_handle,
3716 			  0, hdev->misc_vector.name, hdev);
3717 	if (ret) {
3718 		hclge_free_vector(hdev, 0);
3719 		dev_err(&hdev->pdev->dev, "request misc irq(%d) fail\n",
3720 			hdev->misc_vector.vector_irq);
3721 	}
3722 
3723 	return ret;
3724 }
3725 
hclge_misc_irq_uninit(struct hclge_dev * hdev)3726 static void hclge_misc_irq_uninit(struct hclge_dev *hdev)
3727 {
3728 	free_irq(hdev->misc_vector.vector_irq, hdev);
3729 	hclge_free_vector(hdev, 0);
3730 }
3731 
hclge_notify_client(struct hclge_dev * hdev,enum hnae3_reset_notify_type type)3732 int hclge_notify_client(struct hclge_dev *hdev,
3733 			enum hnae3_reset_notify_type type)
3734 {
3735 	struct hnae3_handle *handle = &hdev->vport[0].nic;
3736 	struct hnae3_client *client = hdev->nic_client;
3737 	int ret;
3738 
3739 	if (!test_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state) || !client)
3740 		return 0;
3741 
3742 	if (!client->ops->reset_notify)
3743 		return -EOPNOTSUPP;
3744 
3745 	ret = client->ops->reset_notify(handle, type);
3746 	if (ret)
3747 		dev_err(&hdev->pdev->dev, "notify nic client failed %d(%d)\n",
3748 			type, ret);
3749 
3750 	return ret;
3751 }
3752 
hclge_notify_roce_client(struct hclge_dev * hdev,enum hnae3_reset_notify_type type)3753 static int hclge_notify_roce_client(struct hclge_dev *hdev,
3754 				    enum hnae3_reset_notify_type type)
3755 {
3756 	struct hnae3_handle *handle = &hdev->vport[0].roce;
3757 	struct hnae3_client *client = hdev->roce_client;
3758 	int ret;
3759 
3760 	if (!test_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state) || !client)
3761 		return 0;
3762 
3763 	if (!client->ops->reset_notify)
3764 		return -EOPNOTSUPP;
3765 
3766 	ret = client->ops->reset_notify(handle, type);
3767 	if (ret)
3768 		dev_err(&hdev->pdev->dev, "notify roce client failed %d(%d)",
3769 			type, ret);
3770 
3771 	return ret;
3772 }
3773 
hclge_reset_wait(struct hclge_dev * hdev)3774 static int hclge_reset_wait(struct hclge_dev *hdev)
3775 {
3776 #define HCLGE_RESET_WATI_MS	100
3777 #define HCLGE_RESET_WAIT_CNT	350
3778 
3779 	u32 val, reg, reg_bit;
3780 	u32 cnt = 0;
3781 
3782 	switch (hdev->reset_type) {
3783 	case HNAE3_IMP_RESET:
3784 		reg = HCLGE_GLOBAL_RESET_REG;
3785 		reg_bit = HCLGE_IMP_RESET_BIT;
3786 		break;
3787 	case HNAE3_GLOBAL_RESET:
3788 		reg = HCLGE_GLOBAL_RESET_REG;
3789 		reg_bit = HCLGE_GLOBAL_RESET_BIT;
3790 		break;
3791 	case HNAE3_FUNC_RESET:
3792 		reg = HCLGE_FUN_RST_ING;
3793 		reg_bit = HCLGE_FUN_RST_ING_B;
3794 		break;
3795 	default:
3796 		dev_err(&hdev->pdev->dev,
3797 			"Wait for unsupported reset type: %d\n",
3798 			hdev->reset_type);
3799 		return -EINVAL;
3800 	}
3801 
3802 	val = hclge_read_dev(&hdev->hw, reg);
3803 	while (hnae3_get_bit(val, reg_bit) && cnt < HCLGE_RESET_WAIT_CNT) {
3804 		msleep(HCLGE_RESET_WATI_MS);
3805 		val = hclge_read_dev(&hdev->hw, reg);
3806 		cnt++;
3807 	}
3808 
3809 	if (cnt >= HCLGE_RESET_WAIT_CNT) {
3810 		dev_warn(&hdev->pdev->dev,
3811 			 "Wait for reset timeout: %d\n", hdev->reset_type);
3812 		return -EBUSY;
3813 	}
3814 
3815 	return 0;
3816 }
3817 
hclge_set_vf_rst(struct hclge_dev * hdev,int func_id,bool reset)3818 static int hclge_set_vf_rst(struct hclge_dev *hdev, int func_id, bool reset)
3819 {
3820 	struct hclge_vf_rst_cmd *req;
3821 	struct hclge_desc desc;
3822 
3823 	req = (struct hclge_vf_rst_cmd *)desc.data;
3824 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GBL_RST_STATUS, false);
3825 	req->dest_vfid = func_id;
3826 
3827 	if (reset)
3828 		req->vf_rst = 0x1;
3829 
3830 	return hclge_cmd_send(&hdev->hw, &desc, 1);
3831 }
3832 
hclge_set_all_vf_rst(struct hclge_dev * hdev,bool reset)3833 static int hclge_set_all_vf_rst(struct hclge_dev *hdev, bool reset)
3834 {
3835 	int i;
3836 
3837 	for (i = HCLGE_VF_VPORT_START_NUM; i < hdev->num_alloc_vport; i++) {
3838 		struct hclge_vport *vport = &hdev->vport[i];
3839 		int ret;
3840 
3841 		/* Send cmd to set/clear VF's FUNC_RST_ING */
3842 		ret = hclge_set_vf_rst(hdev, vport->vport_id, reset);
3843 		if (ret) {
3844 			dev_err(&hdev->pdev->dev,
3845 				"set vf(%u) rst failed %d!\n",
3846 				vport->vport_id - HCLGE_VF_VPORT_START_NUM,
3847 				ret);
3848 			return ret;
3849 		}
3850 
3851 		if (!reset ||
3852 		    !test_bit(HCLGE_VPORT_STATE_INITED, &vport->state))
3853 			continue;
3854 
3855 		if (!test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state) &&
3856 		    hdev->reset_type == HNAE3_FUNC_RESET) {
3857 			set_bit(HCLGE_VPORT_NEED_NOTIFY_RESET,
3858 				&vport->need_notify);
3859 			continue;
3860 		}
3861 
3862 		/* Inform VF to process the reset.
3863 		 * hclge_inform_reset_assert_to_vf may fail if VF
3864 		 * driver is not loaded.
3865 		 */
3866 		ret = hclge_inform_reset_assert_to_vf(vport);
3867 		if (ret)
3868 			dev_warn(&hdev->pdev->dev,
3869 				 "inform reset to vf(%u) failed %d!\n",
3870 				 vport->vport_id - HCLGE_VF_VPORT_START_NUM,
3871 				 ret);
3872 	}
3873 
3874 	return 0;
3875 }
3876 
hclge_mailbox_service_task(struct hclge_dev * hdev)3877 static void hclge_mailbox_service_task(struct hclge_dev *hdev)
3878 {
3879 	if (!test_and_clear_bit(HCLGE_STATE_MBX_SERVICE_SCHED, &hdev->state) ||
3880 	    test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state) ||
3881 	    test_and_set_bit(HCLGE_STATE_MBX_HANDLING, &hdev->state))
3882 		return;
3883 
3884 	if (time_is_before_jiffies(hdev->last_mbx_scheduled +
3885 				   HCLGE_MBX_SCHED_TIMEOUT))
3886 		dev_warn(&hdev->pdev->dev,
3887 			 "mbx service task is scheduled after %ums on cpu%u!\n",
3888 			 jiffies_to_msecs(jiffies - hdev->last_mbx_scheduled),
3889 			 smp_processor_id());
3890 
3891 	hclge_mbx_handler(hdev);
3892 
3893 	clear_bit(HCLGE_STATE_MBX_HANDLING, &hdev->state);
3894 }
3895 
hclge_func_reset_sync_vf(struct hclge_dev * hdev)3896 static void hclge_func_reset_sync_vf(struct hclge_dev *hdev)
3897 {
3898 	struct hclge_pf_rst_sync_cmd *req;
3899 	struct hclge_desc desc;
3900 	int cnt = 0;
3901 	int ret;
3902 
3903 	req = (struct hclge_pf_rst_sync_cmd *)desc.data;
3904 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_VF_RST_RDY, true);
3905 
3906 	do {
3907 		/* vf need to down netdev by mbx during PF or FLR reset */
3908 		hclge_mailbox_service_task(hdev);
3909 
3910 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
3911 		/* for compatible with old firmware, wait
3912 		 * 100 ms for VF to stop IO
3913 		 */
3914 		if (ret == -EOPNOTSUPP) {
3915 			msleep(HCLGE_RESET_SYNC_TIME);
3916 			return;
3917 		} else if (ret) {
3918 			dev_warn(&hdev->pdev->dev, "sync with VF fail %d!\n",
3919 				 ret);
3920 			return;
3921 		} else if (req->all_vf_ready) {
3922 			return;
3923 		}
3924 		msleep(HCLGE_PF_RESET_SYNC_TIME);
3925 		hclge_comm_cmd_reuse_desc(&desc, true);
3926 	} while (cnt++ < HCLGE_PF_RESET_SYNC_CNT);
3927 
3928 	dev_warn(&hdev->pdev->dev, "sync with VF timeout!\n");
3929 }
3930 
hclge_report_hw_error(struct hclge_dev * hdev,enum hnae3_hw_error_type type)3931 void hclge_report_hw_error(struct hclge_dev *hdev,
3932 			   enum hnae3_hw_error_type type)
3933 {
3934 	struct hnae3_client *client = hdev->nic_client;
3935 
3936 	if (!client || !client->ops->process_hw_error ||
3937 	    !test_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state))
3938 		return;
3939 
3940 	client->ops->process_hw_error(&hdev->vport[0].nic, type);
3941 }
3942 
hclge_handle_imp_error(struct hclge_dev * hdev)3943 static void hclge_handle_imp_error(struct hclge_dev *hdev)
3944 {
3945 	u32 reg_val;
3946 
3947 	reg_val = hclge_read_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG);
3948 	if (reg_val & BIT(HCLGE_VECTOR0_IMP_RD_POISON_B)) {
3949 		hclge_report_hw_error(hdev, HNAE3_IMP_RD_POISON_ERROR);
3950 		reg_val &= ~BIT(HCLGE_VECTOR0_IMP_RD_POISON_B);
3951 		hclge_write_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG, reg_val);
3952 	}
3953 
3954 	if (reg_val & BIT(HCLGE_VECTOR0_IMP_CMDQ_ERR_B)) {
3955 		hclge_report_hw_error(hdev, HNAE3_CMDQ_ECC_ERROR);
3956 		reg_val &= ~BIT(HCLGE_VECTOR0_IMP_CMDQ_ERR_B);
3957 		hclge_write_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG, reg_val);
3958 	}
3959 }
3960 
hclge_func_reset_cmd(struct hclge_dev * hdev,int func_id)3961 int hclge_func_reset_cmd(struct hclge_dev *hdev, int func_id)
3962 {
3963 	struct hclge_desc desc;
3964 	struct hclge_reset_cmd *req = (struct hclge_reset_cmd *)desc.data;
3965 	int ret;
3966 
3967 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_RST_TRIGGER, false);
3968 	hnae3_set_bit(req->mac_func_reset, HCLGE_CFG_RESET_FUNC_B, 1);
3969 	req->fun_reset_vfid = func_id;
3970 
3971 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
3972 	if (ret)
3973 		dev_err(&hdev->pdev->dev,
3974 			"send function reset cmd fail, status =%d\n", ret);
3975 
3976 	return ret;
3977 }
3978 
hclge_do_reset(struct hclge_dev * hdev)3979 static void hclge_do_reset(struct hclge_dev *hdev)
3980 {
3981 	struct hnae3_handle *handle = &hdev->vport[0].nic;
3982 	struct pci_dev *pdev = hdev->pdev;
3983 	u32 val;
3984 
3985 	if (hclge_get_hw_reset_stat(handle)) {
3986 		dev_info(&pdev->dev, "hardware reset not finish\n");
3987 		dev_info(&pdev->dev, "func_rst_reg:0x%x, global_rst_reg:0x%x\n",
3988 			 hclge_read_dev(&hdev->hw, HCLGE_FUN_RST_ING),
3989 			 hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG));
3990 		return;
3991 	}
3992 
3993 	switch (hdev->reset_type) {
3994 	case HNAE3_IMP_RESET:
3995 		dev_info(&pdev->dev, "IMP reset requested\n");
3996 		val = hclge_read_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG);
3997 		hnae3_set_bit(val, HCLGE_TRIGGER_IMP_RESET_B, 1);
3998 		hclge_write_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG, val);
3999 		break;
4000 	case HNAE3_GLOBAL_RESET:
4001 		dev_info(&pdev->dev, "global reset requested\n");
4002 		val = hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG);
4003 		hnae3_set_bit(val, HCLGE_GLOBAL_RESET_BIT, 1);
4004 		hclge_write_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG, val);
4005 		break;
4006 	case HNAE3_FUNC_RESET:
4007 		dev_info(&pdev->dev, "PF reset requested\n");
4008 		/* schedule again to check later */
4009 		set_bit(HNAE3_FUNC_RESET, &hdev->reset_pending);
4010 		hclge_reset_task_schedule(hdev);
4011 		break;
4012 	default:
4013 		dev_warn(&pdev->dev,
4014 			 "unsupported reset type: %d\n", hdev->reset_type);
4015 		break;
4016 	}
4017 }
4018 
hclge_get_reset_level(struct hnae3_ae_dev * ae_dev,unsigned long * addr)4019 static enum hnae3_reset_type hclge_get_reset_level(struct hnae3_ae_dev *ae_dev,
4020 						   unsigned long *addr)
4021 {
4022 	enum hnae3_reset_type rst_level = HNAE3_NONE_RESET;
4023 	struct hclge_dev *hdev = ae_dev->priv;
4024 
4025 	/* return the highest priority reset level amongst all */
4026 	if (test_bit(HNAE3_IMP_RESET, addr)) {
4027 		rst_level = HNAE3_IMP_RESET;
4028 		clear_bit(HNAE3_IMP_RESET, addr);
4029 		clear_bit(HNAE3_GLOBAL_RESET, addr);
4030 		clear_bit(HNAE3_FUNC_RESET, addr);
4031 	} else if (test_bit(HNAE3_GLOBAL_RESET, addr)) {
4032 		rst_level = HNAE3_GLOBAL_RESET;
4033 		clear_bit(HNAE3_GLOBAL_RESET, addr);
4034 		clear_bit(HNAE3_FUNC_RESET, addr);
4035 	} else if (test_bit(HNAE3_FUNC_RESET, addr)) {
4036 		rst_level = HNAE3_FUNC_RESET;
4037 		clear_bit(HNAE3_FUNC_RESET, addr);
4038 	} else if (test_bit(HNAE3_FLR_RESET, addr)) {
4039 		rst_level = HNAE3_FLR_RESET;
4040 		clear_bit(HNAE3_FLR_RESET, addr);
4041 	}
4042 
4043 	if (hdev->reset_type != HNAE3_NONE_RESET &&
4044 	    rst_level < hdev->reset_type)
4045 		return HNAE3_NONE_RESET;
4046 
4047 	return rst_level;
4048 }
4049 
hclge_clear_reset_cause(struct hclge_dev * hdev)4050 static void hclge_clear_reset_cause(struct hclge_dev *hdev)
4051 {
4052 	u32 clearval = 0;
4053 
4054 	switch (hdev->reset_type) {
4055 	case HNAE3_IMP_RESET:
4056 		clearval = BIT(HCLGE_VECTOR0_IMPRESET_INT_B);
4057 		break;
4058 	case HNAE3_GLOBAL_RESET:
4059 		clearval = BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B);
4060 		break;
4061 	default:
4062 		break;
4063 	}
4064 
4065 	if (!clearval)
4066 		return;
4067 
4068 	/* For revision 0x20, the reset interrupt source
4069 	 * can only be cleared after hardware reset done
4070 	 */
4071 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
4072 		hclge_write_dev(&hdev->hw, HCLGE_MISC_RESET_STS_REG,
4073 				clearval);
4074 
4075 	hclge_enable_vector(&hdev->misc_vector, true);
4076 }
4077 
hclge_reset_handshake(struct hclge_dev * hdev,bool enable)4078 static void hclge_reset_handshake(struct hclge_dev *hdev, bool enable)
4079 {
4080 	u32 reg_val;
4081 
4082 	reg_val = hclge_read_dev(&hdev->hw, HCLGE_COMM_NIC_CSQ_DEPTH_REG);
4083 	if (enable)
4084 		reg_val |= HCLGE_COMM_NIC_SW_RST_RDY;
4085 	else
4086 		reg_val &= ~HCLGE_COMM_NIC_SW_RST_RDY;
4087 
4088 	hclge_write_dev(&hdev->hw, HCLGE_COMM_NIC_CSQ_DEPTH_REG, reg_val);
4089 }
4090 
hclge_func_reset_notify_vf(struct hclge_dev * hdev)4091 static int hclge_func_reset_notify_vf(struct hclge_dev *hdev)
4092 {
4093 	int ret;
4094 
4095 	ret = hclge_set_all_vf_rst(hdev, true);
4096 	if (ret)
4097 		return ret;
4098 
4099 	hclge_func_reset_sync_vf(hdev);
4100 
4101 	return 0;
4102 }
4103 
hclge_reset_prepare_wait(struct hclge_dev * hdev)4104 static int hclge_reset_prepare_wait(struct hclge_dev *hdev)
4105 {
4106 	u32 reg_val;
4107 	int ret = 0;
4108 
4109 	switch (hdev->reset_type) {
4110 	case HNAE3_FUNC_RESET:
4111 		ret = hclge_func_reset_notify_vf(hdev);
4112 		if (ret)
4113 			return ret;
4114 
4115 		ret = hclge_func_reset_cmd(hdev, 0);
4116 		if (ret) {
4117 			dev_err(&hdev->pdev->dev,
4118 				"asserting function reset fail %d!\n", ret);
4119 			return ret;
4120 		}
4121 
4122 		/* After performaning pf reset, it is not necessary to do the
4123 		 * mailbox handling or send any command to firmware, because
4124 		 * any mailbox handling or command to firmware is only valid
4125 		 * after hclge_comm_cmd_init is called.
4126 		 */
4127 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
4128 		hdev->rst_stats.pf_rst_cnt++;
4129 		break;
4130 	case HNAE3_FLR_RESET:
4131 		ret = hclge_func_reset_notify_vf(hdev);
4132 		if (ret)
4133 			return ret;
4134 		break;
4135 	case HNAE3_IMP_RESET:
4136 		hclge_handle_imp_error(hdev);
4137 		reg_val = hclge_read_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG);
4138 		hclge_write_dev(&hdev->hw, HCLGE_PF_OTHER_INT_REG,
4139 				BIT(HCLGE_VECTOR0_IMP_RESET_INT_B) | reg_val);
4140 		break;
4141 	default:
4142 		break;
4143 	}
4144 
4145 	/* inform hardware that preparatory work is done */
4146 	msleep(HCLGE_RESET_SYNC_TIME);
4147 	hclge_reset_handshake(hdev, true);
4148 	dev_info(&hdev->pdev->dev, "prepare wait ok\n");
4149 
4150 	return ret;
4151 }
4152 
hclge_show_rst_info(struct hclge_dev * hdev)4153 static void hclge_show_rst_info(struct hclge_dev *hdev)
4154 {
4155 	char *buf;
4156 
4157 	buf = kzalloc(HCLGE_DBG_RESET_INFO_LEN, GFP_KERNEL);
4158 	if (!buf)
4159 		return;
4160 
4161 	hclge_dbg_dump_rst_info(hdev, buf, HCLGE_DBG_RESET_INFO_LEN);
4162 
4163 	dev_info(&hdev->pdev->dev, "dump reset info:\n%s", buf);
4164 
4165 	kfree(buf);
4166 }
4167 
hclge_reset_err_handle(struct hclge_dev * hdev)4168 static bool hclge_reset_err_handle(struct hclge_dev *hdev)
4169 {
4170 #define MAX_RESET_FAIL_CNT 5
4171 
4172 	if (hdev->reset_pending) {
4173 		dev_info(&hdev->pdev->dev, "Reset pending %lu\n",
4174 			 hdev->reset_pending);
4175 		return true;
4176 	} else if (hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS) &
4177 		   HCLGE_RESET_INT_M) {
4178 		dev_info(&hdev->pdev->dev,
4179 			 "reset failed because new reset interrupt\n");
4180 		hclge_clear_reset_cause(hdev);
4181 		return false;
4182 	} else if (hdev->rst_stats.reset_fail_cnt < MAX_RESET_FAIL_CNT) {
4183 		hdev->rst_stats.reset_fail_cnt++;
4184 		set_bit(hdev->reset_type, &hdev->reset_pending);
4185 		dev_info(&hdev->pdev->dev,
4186 			 "re-schedule reset task(%u)\n",
4187 			 hdev->rst_stats.reset_fail_cnt);
4188 		return true;
4189 	}
4190 
4191 	hclge_clear_reset_cause(hdev);
4192 
4193 	/* recover the handshake status when reset fail */
4194 	hclge_reset_handshake(hdev, true);
4195 
4196 	dev_err(&hdev->pdev->dev, "Reset fail!\n");
4197 
4198 	hclge_show_rst_info(hdev);
4199 
4200 	set_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
4201 
4202 	return false;
4203 }
4204 
hclge_update_reset_level(struct hclge_dev * hdev)4205 static void hclge_update_reset_level(struct hclge_dev *hdev)
4206 {
4207 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
4208 	enum hnae3_reset_type reset_level;
4209 
4210 	/* reset request will not be set during reset, so clear
4211 	 * pending reset request to avoid unnecessary reset
4212 	 * caused by the same reason.
4213 	 */
4214 	hclge_get_reset_level(ae_dev, &hdev->reset_request);
4215 
4216 	/* if default_reset_request has a higher level reset request,
4217 	 * it should be handled as soon as possible. since some errors
4218 	 * need this kind of reset to fix.
4219 	 */
4220 	reset_level = hclge_get_reset_level(ae_dev,
4221 					    &hdev->default_reset_request);
4222 	if (reset_level != HNAE3_NONE_RESET)
4223 		set_bit(reset_level, &hdev->reset_request);
4224 }
4225 
hclge_set_rst_done(struct hclge_dev * hdev)4226 static int hclge_set_rst_done(struct hclge_dev *hdev)
4227 {
4228 	struct hclge_pf_rst_done_cmd *req;
4229 	struct hclge_desc desc;
4230 	int ret;
4231 
4232 	req = (struct hclge_pf_rst_done_cmd *)desc.data;
4233 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PF_RST_DONE, false);
4234 	req->pf_rst_done |= HCLGE_PF_RESET_DONE_BIT;
4235 
4236 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
4237 	/* To be compatible with the old firmware, which does not support
4238 	 * command HCLGE_OPC_PF_RST_DONE, just print a warning and
4239 	 * return success
4240 	 */
4241 	if (ret == -EOPNOTSUPP) {
4242 		dev_warn(&hdev->pdev->dev,
4243 			 "current firmware does not support command(0x%x)!\n",
4244 			 HCLGE_OPC_PF_RST_DONE);
4245 		return 0;
4246 	} else if (ret) {
4247 		dev_err(&hdev->pdev->dev, "assert PF reset done fail %d!\n",
4248 			ret);
4249 	}
4250 
4251 	return ret;
4252 }
4253 
hclge_reset_prepare_up(struct hclge_dev * hdev)4254 static int hclge_reset_prepare_up(struct hclge_dev *hdev)
4255 {
4256 	int ret = 0;
4257 
4258 	switch (hdev->reset_type) {
4259 	case HNAE3_FUNC_RESET:
4260 	case HNAE3_FLR_RESET:
4261 		ret = hclge_set_all_vf_rst(hdev, false);
4262 		break;
4263 	case HNAE3_GLOBAL_RESET:
4264 	case HNAE3_IMP_RESET:
4265 		ret = hclge_set_rst_done(hdev);
4266 		break;
4267 	default:
4268 		break;
4269 	}
4270 
4271 	/* clear up the handshake status after re-initialize done */
4272 	hclge_reset_handshake(hdev, false);
4273 
4274 	return ret;
4275 }
4276 
hclge_reset_stack(struct hclge_dev * hdev)4277 static int hclge_reset_stack(struct hclge_dev *hdev)
4278 {
4279 	int ret;
4280 
4281 	ret = hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT);
4282 	if (ret)
4283 		return ret;
4284 
4285 	ret = hclge_reset_ae_dev(hdev->ae_dev);
4286 	if (ret)
4287 		return ret;
4288 
4289 	return hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
4290 }
4291 
hclge_reset_prepare(struct hclge_dev * hdev)4292 static int hclge_reset_prepare(struct hclge_dev *hdev)
4293 {
4294 	int ret;
4295 
4296 	hdev->rst_stats.reset_cnt++;
4297 	/* perform reset of the stack & ae device for a client */
4298 	ret = hclge_notify_roce_client(hdev, HNAE3_DOWN_CLIENT);
4299 	if (ret)
4300 		return ret;
4301 
4302 	rtnl_lock();
4303 	ret = hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
4304 	rtnl_unlock();
4305 	if (ret)
4306 		return ret;
4307 
4308 	return hclge_reset_prepare_wait(hdev);
4309 }
4310 
hclge_reset_rebuild(struct hclge_dev * hdev)4311 static int hclge_reset_rebuild(struct hclge_dev *hdev)
4312 {
4313 	int ret;
4314 
4315 	hdev->rst_stats.hw_reset_done_cnt++;
4316 
4317 	ret = hclge_notify_roce_client(hdev, HNAE3_UNINIT_CLIENT);
4318 	if (ret)
4319 		return ret;
4320 
4321 	rtnl_lock();
4322 	ret = hclge_reset_stack(hdev);
4323 	rtnl_unlock();
4324 	if (ret)
4325 		return ret;
4326 
4327 	hclge_clear_reset_cause(hdev);
4328 
4329 	ret = hclge_notify_roce_client(hdev, HNAE3_INIT_CLIENT);
4330 	/* ignore RoCE notify error if it fails HCLGE_RESET_MAX_FAIL_CNT - 1
4331 	 * times
4332 	 */
4333 	if (ret &&
4334 	    hdev->rst_stats.reset_fail_cnt < HCLGE_RESET_MAX_FAIL_CNT - 1)
4335 		return ret;
4336 
4337 	ret = hclge_reset_prepare_up(hdev);
4338 	if (ret)
4339 		return ret;
4340 
4341 	rtnl_lock();
4342 	ret = hclge_notify_client(hdev, HNAE3_UP_CLIENT);
4343 	rtnl_unlock();
4344 	if (ret)
4345 		return ret;
4346 
4347 	ret = hclge_notify_roce_client(hdev, HNAE3_UP_CLIENT);
4348 	if (ret)
4349 		return ret;
4350 
4351 	hdev->last_reset_time = jiffies;
4352 	hdev->rst_stats.reset_fail_cnt = 0;
4353 	hdev->rst_stats.reset_done_cnt++;
4354 	clear_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
4355 
4356 	hclge_update_reset_level(hdev);
4357 
4358 	return 0;
4359 }
4360 
hclge_reset(struct hclge_dev * hdev)4361 static void hclge_reset(struct hclge_dev *hdev)
4362 {
4363 	if (hclge_reset_prepare(hdev))
4364 		goto err_reset;
4365 
4366 	if (hclge_reset_wait(hdev))
4367 		goto err_reset;
4368 
4369 	if (hclge_reset_rebuild(hdev))
4370 		goto err_reset;
4371 
4372 	return;
4373 
4374 err_reset:
4375 	if (hclge_reset_err_handle(hdev))
4376 		hclge_reset_task_schedule(hdev);
4377 }
4378 
hclge_reset_event(struct pci_dev * pdev,struct hnae3_handle * handle)4379 static void hclge_reset_event(struct pci_dev *pdev, struct hnae3_handle *handle)
4380 {
4381 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev);
4382 	struct hclge_dev *hdev = ae_dev->priv;
4383 
4384 	/* We might end up getting called broadly because of 2 below cases:
4385 	 * 1. Recoverable error was conveyed through APEI and only way to bring
4386 	 *    normalcy is to reset.
4387 	 * 2. A new reset request from the stack due to timeout
4388 	 *
4389 	 * check if this is a new reset request and we are not here just because
4390 	 * last reset attempt did not succeed and watchdog hit us again. We will
4391 	 * know this if last reset request did not occur very recently (watchdog
4392 	 * timer = 5*HZ, let us check after sufficiently large time, say 4*5*Hz)
4393 	 * In case of new request we reset the "reset level" to PF reset.
4394 	 * And if it is a repeat reset request of the most recent one then we
4395 	 * want to make sure we throttle the reset request. Therefore, we will
4396 	 * not allow it again before 3*HZ times.
4397 	 */
4398 
4399 	if (time_before(jiffies, (hdev->last_reset_time +
4400 				  HCLGE_RESET_INTERVAL))) {
4401 		mod_timer(&hdev->reset_timer, jiffies + HCLGE_RESET_INTERVAL);
4402 		return;
4403 	}
4404 
4405 	if (hdev->default_reset_request) {
4406 		hdev->reset_level =
4407 			hclge_get_reset_level(ae_dev,
4408 					      &hdev->default_reset_request);
4409 	} else if (time_after(jiffies, (hdev->last_reset_time + 4 * 5 * HZ))) {
4410 		hdev->reset_level = HNAE3_FUNC_RESET;
4411 	}
4412 
4413 	dev_info(&hdev->pdev->dev, "received reset event, reset type is %d\n",
4414 		 hdev->reset_level);
4415 
4416 	/* request reset & schedule reset task */
4417 	set_bit(hdev->reset_level, &hdev->reset_request);
4418 	hclge_reset_task_schedule(hdev);
4419 
4420 	if (hdev->reset_level < HNAE3_GLOBAL_RESET)
4421 		hdev->reset_level++;
4422 }
4423 
hclge_set_def_reset_request(struct hnae3_ae_dev * ae_dev,enum hnae3_reset_type rst_type)4424 static void hclge_set_def_reset_request(struct hnae3_ae_dev *ae_dev,
4425 					enum hnae3_reset_type rst_type)
4426 {
4427 	struct hclge_dev *hdev = ae_dev->priv;
4428 
4429 	set_bit(rst_type, &hdev->default_reset_request);
4430 }
4431 
hclge_reset_timer(struct timer_list * t)4432 static void hclge_reset_timer(struct timer_list *t)
4433 {
4434 	struct hclge_dev *hdev = from_timer(hdev, t, reset_timer);
4435 
4436 	/* if default_reset_request has no value, it means that this reset
4437 	 * request has already be handled, so just return here
4438 	 */
4439 	if (!hdev->default_reset_request)
4440 		return;
4441 
4442 	dev_info(&hdev->pdev->dev,
4443 		 "triggering reset in reset timer\n");
4444 	hclge_reset_event(hdev->pdev, NULL);
4445 }
4446 
hclge_reset_subtask(struct hclge_dev * hdev)4447 static void hclge_reset_subtask(struct hclge_dev *hdev)
4448 {
4449 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
4450 
4451 	/* check if there is any ongoing reset in the hardware. This status can
4452 	 * be checked from reset_pending. If there is then, we need to wait for
4453 	 * hardware to complete reset.
4454 	 *    a. If we are able to figure out in reasonable time that hardware
4455 	 *       has fully resetted then, we can proceed with driver, client
4456 	 *       reset.
4457 	 *    b. else, we can come back later to check this status so re-sched
4458 	 *       now.
4459 	 */
4460 	hdev->last_reset_time = jiffies;
4461 	hdev->reset_type = hclge_get_reset_level(ae_dev, &hdev->reset_pending);
4462 	if (hdev->reset_type != HNAE3_NONE_RESET)
4463 		hclge_reset(hdev);
4464 
4465 	/* check if we got any *new* reset requests to be honored */
4466 	hdev->reset_type = hclge_get_reset_level(ae_dev, &hdev->reset_request);
4467 	if (hdev->reset_type != HNAE3_NONE_RESET)
4468 		hclge_do_reset(hdev);
4469 
4470 	hdev->reset_type = HNAE3_NONE_RESET;
4471 }
4472 
hclge_handle_err_reset_request(struct hclge_dev * hdev)4473 static void hclge_handle_err_reset_request(struct hclge_dev *hdev)
4474 {
4475 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
4476 	enum hnae3_reset_type reset_type;
4477 
4478 	if (ae_dev->hw_err_reset_req) {
4479 		reset_type = hclge_get_reset_level(ae_dev,
4480 						   &ae_dev->hw_err_reset_req);
4481 		hclge_set_def_reset_request(ae_dev, reset_type);
4482 	}
4483 
4484 	if (hdev->default_reset_request && ae_dev->ops->reset_event)
4485 		ae_dev->ops->reset_event(hdev->pdev, NULL);
4486 
4487 	/* enable interrupt after error handling complete */
4488 	hclge_enable_vector(&hdev->misc_vector, true);
4489 }
4490 
hclge_handle_err_recovery(struct hclge_dev * hdev)4491 static void hclge_handle_err_recovery(struct hclge_dev *hdev)
4492 {
4493 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
4494 
4495 	ae_dev->hw_err_reset_req = 0;
4496 
4497 	if (hclge_find_error_source(hdev)) {
4498 		hclge_handle_error_info_log(ae_dev);
4499 		hclge_handle_mac_tnl(hdev);
4500 	}
4501 
4502 	hclge_handle_err_reset_request(hdev);
4503 }
4504 
hclge_misc_err_recovery(struct hclge_dev * hdev)4505 static void hclge_misc_err_recovery(struct hclge_dev *hdev)
4506 {
4507 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
4508 	struct device *dev = &hdev->pdev->dev;
4509 	u32 msix_sts_reg;
4510 
4511 	msix_sts_reg = hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS);
4512 	if (msix_sts_reg & HCLGE_VECTOR0_REG_MSIX_MASK) {
4513 		if (hclge_handle_hw_msix_error
4514 				(hdev, &hdev->default_reset_request))
4515 			dev_info(dev, "received msix interrupt 0x%x\n",
4516 				 msix_sts_reg);
4517 	}
4518 
4519 	hclge_handle_hw_ras_error(ae_dev);
4520 
4521 	hclge_handle_err_reset_request(hdev);
4522 }
4523 
hclge_errhand_service_task(struct hclge_dev * hdev)4524 static void hclge_errhand_service_task(struct hclge_dev *hdev)
4525 {
4526 	if (!test_and_clear_bit(HCLGE_STATE_ERR_SERVICE_SCHED, &hdev->state))
4527 		return;
4528 
4529 	if (hnae3_dev_ras_imp_supported(hdev))
4530 		hclge_handle_err_recovery(hdev);
4531 	else
4532 		hclge_misc_err_recovery(hdev);
4533 }
4534 
hclge_reset_service_task(struct hclge_dev * hdev)4535 static void hclge_reset_service_task(struct hclge_dev *hdev)
4536 {
4537 	if (!test_and_clear_bit(HCLGE_STATE_RST_SERVICE_SCHED, &hdev->state))
4538 		return;
4539 
4540 	if (time_is_before_jiffies(hdev->last_rst_scheduled +
4541 				   HCLGE_RESET_SCHED_TIMEOUT))
4542 		dev_warn(&hdev->pdev->dev,
4543 			 "reset service task is scheduled after %ums on cpu%u!\n",
4544 			 jiffies_to_msecs(jiffies - hdev->last_rst_scheduled),
4545 			 smp_processor_id());
4546 
4547 	down(&hdev->reset_sem);
4548 	set_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
4549 
4550 	hclge_reset_subtask(hdev);
4551 
4552 	clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
4553 	up(&hdev->reset_sem);
4554 }
4555 
hclge_update_vport_alive(struct hclge_dev * hdev)4556 static void hclge_update_vport_alive(struct hclge_dev *hdev)
4557 {
4558 #define HCLGE_ALIVE_SECONDS_NORMAL		8
4559 
4560 	unsigned long alive_time = HCLGE_ALIVE_SECONDS_NORMAL * HZ;
4561 	int i;
4562 
4563 	/* start from vport 1 for PF is always alive */
4564 	for (i = 1; i < hdev->num_alloc_vport; i++) {
4565 		struct hclge_vport *vport = &hdev->vport[i];
4566 
4567 		if (!test_bit(HCLGE_VPORT_STATE_INITED, &vport->state) ||
4568 		    !test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state))
4569 			continue;
4570 		if (time_after(jiffies, vport->last_active_jiffies +
4571 			       alive_time)) {
4572 			clear_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
4573 			dev_warn(&hdev->pdev->dev,
4574 				 "VF %u heartbeat timeout\n",
4575 				 i - HCLGE_VF_VPORT_START_NUM);
4576 		}
4577 	}
4578 }
4579 
hclge_periodic_service_task(struct hclge_dev * hdev)4580 static void hclge_periodic_service_task(struct hclge_dev *hdev)
4581 {
4582 	unsigned long delta = round_jiffies_relative(HZ);
4583 
4584 	if (test_bit(HCLGE_STATE_RST_FAIL, &hdev->state))
4585 		return;
4586 
4587 	/* Always handle the link updating to make sure link state is
4588 	 * updated when it is triggered by mbx.
4589 	 */
4590 	hclge_update_link_status(hdev);
4591 	hclge_sync_mac_table(hdev);
4592 	hclge_sync_promisc_mode(hdev);
4593 	hclge_sync_fd_table(hdev);
4594 
4595 	if (time_is_after_jiffies(hdev->last_serv_processed + HZ)) {
4596 		delta = jiffies - hdev->last_serv_processed;
4597 
4598 		if (delta < round_jiffies_relative(HZ)) {
4599 			delta = round_jiffies_relative(HZ) - delta;
4600 			goto out;
4601 		}
4602 	}
4603 
4604 	hdev->serv_processed_cnt++;
4605 	hclge_update_vport_alive(hdev);
4606 
4607 	if (test_bit(HCLGE_STATE_DOWN, &hdev->state)) {
4608 		hdev->last_serv_processed = jiffies;
4609 		goto out;
4610 	}
4611 
4612 	if (!(hdev->serv_processed_cnt % HCLGE_STATS_TIMER_INTERVAL))
4613 		hclge_update_stats_for_all(hdev);
4614 
4615 	hclge_update_port_info(hdev);
4616 	hclge_sync_vlan_filter(hdev);
4617 
4618 	if (!(hdev->serv_processed_cnt % HCLGE_ARFS_EXPIRE_INTERVAL))
4619 		hclge_rfs_filter_expire(hdev);
4620 
4621 	hdev->last_serv_processed = jiffies;
4622 
4623 out:
4624 	hclge_task_schedule(hdev, delta);
4625 }
4626 
hclge_ptp_service_task(struct hclge_dev * hdev)4627 static void hclge_ptp_service_task(struct hclge_dev *hdev)
4628 {
4629 	unsigned long flags;
4630 
4631 	if (!test_bit(HCLGE_STATE_PTP_EN, &hdev->state) ||
4632 	    !test_bit(HCLGE_STATE_PTP_TX_HANDLING, &hdev->state) ||
4633 	    !time_is_before_jiffies(hdev->ptp->tx_start + HZ))
4634 		return;
4635 
4636 	/* to prevent concurrence with the irq handler */
4637 	spin_lock_irqsave(&hdev->ptp->lock, flags);
4638 
4639 	/* check HCLGE_STATE_PTP_TX_HANDLING here again, since the irq
4640 	 * handler may handle it just before spin_lock_irqsave().
4641 	 */
4642 	if (test_bit(HCLGE_STATE_PTP_TX_HANDLING, &hdev->state))
4643 		hclge_ptp_clean_tx_hwts(hdev);
4644 
4645 	spin_unlock_irqrestore(&hdev->ptp->lock, flags);
4646 }
4647 
hclge_service_task(struct work_struct * work)4648 static void hclge_service_task(struct work_struct *work)
4649 {
4650 	struct hclge_dev *hdev =
4651 		container_of(work, struct hclge_dev, service_task.work);
4652 
4653 	hclge_errhand_service_task(hdev);
4654 	hclge_reset_service_task(hdev);
4655 	hclge_ptp_service_task(hdev);
4656 	hclge_mailbox_service_task(hdev);
4657 	hclge_periodic_service_task(hdev);
4658 
4659 	/* Handle error recovery, reset and mbx again in case periodical task
4660 	 * delays the handling by calling hclge_task_schedule() in
4661 	 * hclge_periodic_service_task().
4662 	 */
4663 	hclge_errhand_service_task(hdev);
4664 	hclge_reset_service_task(hdev);
4665 	hclge_mailbox_service_task(hdev);
4666 }
4667 
hclge_get_vport(struct hnae3_handle * handle)4668 struct hclge_vport *hclge_get_vport(struct hnae3_handle *handle)
4669 {
4670 	/* VF handle has no client */
4671 	if (!handle->client)
4672 		return container_of(handle, struct hclge_vport, nic);
4673 	else if (handle->client->type == HNAE3_CLIENT_ROCE)
4674 		return container_of(handle, struct hclge_vport, roce);
4675 	else
4676 		return container_of(handle, struct hclge_vport, nic);
4677 }
4678 
hclge_get_vector_info(struct hclge_dev * hdev,u16 idx,struct hnae3_vector_info * vector_info)4679 static void hclge_get_vector_info(struct hclge_dev *hdev, u16 idx,
4680 				  struct hnae3_vector_info *vector_info)
4681 {
4682 #define HCLGE_PF_MAX_VECTOR_NUM_DEV_V2	64
4683 
4684 	vector_info->vector = pci_irq_vector(hdev->pdev, idx);
4685 
4686 	/* need an extend offset to config vector >= 64 */
4687 	if (idx - 1 < HCLGE_PF_MAX_VECTOR_NUM_DEV_V2)
4688 		vector_info->io_addr = hdev->hw.hw.io_base +
4689 				HCLGE_VECTOR_REG_BASE +
4690 				(idx - 1) * HCLGE_VECTOR_REG_OFFSET;
4691 	else
4692 		vector_info->io_addr = hdev->hw.hw.io_base +
4693 				HCLGE_VECTOR_EXT_REG_BASE +
4694 				(idx - 1) / HCLGE_PF_MAX_VECTOR_NUM_DEV_V2 *
4695 				HCLGE_VECTOR_REG_OFFSET_H +
4696 				(idx - 1) % HCLGE_PF_MAX_VECTOR_NUM_DEV_V2 *
4697 				HCLGE_VECTOR_REG_OFFSET;
4698 
4699 	hdev->vector_status[idx] = hdev->vport[0].vport_id;
4700 	hdev->vector_irq[idx] = vector_info->vector;
4701 }
4702 
hclge_get_vector(struct hnae3_handle * handle,u16 vector_num,struct hnae3_vector_info * vector_info)4703 static int hclge_get_vector(struct hnae3_handle *handle, u16 vector_num,
4704 			    struct hnae3_vector_info *vector_info)
4705 {
4706 	struct hclge_vport *vport = hclge_get_vport(handle);
4707 	struct hnae3_vector_info *vector = vector_info;
4708 	struct hclge_dev *hdev = vport->back;
4709 	int alloc = 0;
4710 	u16 i = 0;
4711 	u16 j;
4712 
4713 	vector_num = min_t(u16, hdev->num_nic_msi - 1, vector_num);
4714 	vector_num = min(hdev->num_msi_left, vector_num);
4715 
4716 	for (j = 0; j < vector_num; j++) {
4717 		while (++i < hdev->num_nic_msi) {
4718 			if (hdev->vector_status[i] == HCLGE_INVALID_VPORT) {
4719 				hclge_get_vector_info(hdev, i, vector);
4720 				vector++;
4721 				alloc++;
4722 
4723 				break;
4724 			}
4725 		}
4726 	}
4727 	hdev->num_msi_left -= alloc;
4728 	hdev->num_msi_used += alloc;
4729 
4730 	return alloc;
4731 }
4732 
hclge_get_vector_index(struct hclge_dev * hdev,int vector)4733 static int hclge_get_vector_index(struct hclge_dev *hdev, int vector)
4734 {
4735 	int i;
4736 
4737 	for (i = 0; i < hdev->num_msi; i++)
4738 		if (vector == hdev->vector_irq[i])
4739 			return i;
4740 
4741 	return -EINVAL;
4742 }
4743 
hclge_put_vector(struct hnae3_handle * handle,int vector)4744 static int hclge_put_vector(struct hnae3_handle *handle, int vector)
4745 {
4746 	struct hclge_vport *vport = hclge_get_vport(handle);
4747 	struct hclge_dev *hdev = vport->back;
4748 	int vector_id;
4749 
4750 	vector_id = hclge_get_vector_index(hdev, vector);
4751 	if (vector_id < 0) {
4752 		dev_err(&hdev->pdev->dev,
4753 			"Get vector index fail. vector = %d\n", vector);
4754 		return vector_id;
4755 	}
4756 
4757 	hclge_free_vector(hdev, vector_id);
4758 
4759 	return 0;
4760 }
4761 
hclge_get_rss(struct hnae3_handle * handle,u32 * indir,u8 * key,u8 * hfunc)4762 static int hclge_get_rss(struct hnae3_handle *handle, u32 *indir,
4763 			 u8 *key, u8 *hfunc)
4764 {
4765 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
4766 	struct hclge_vport *vport = hclge_get_vport(handle);
4767 	struct hclge_comm_rss_cfg *rss_cfg = &vport->back->rss_cfg;
4768 
4769 	hclge_comm_get_rss_hash_info(rss_cfg, key, hfunc);
4770 
4771 	hclge_comm_get_rss_indir_tbl(rss_cfg, indir,
4772 				     ae_dev->dev_specs.rss_ind_tbl_size);
4773 
4774 	return 0;
4775 }
4776 
hclge_set_rss(struct hnae3_handle * handle,const u32 * indir,const u8 * key,const u8 hfunc)4777 static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
4778 			 const  u8 *key, const  u8 hfunc)
4779 {
4780 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
4781 	struct hclge_vport *vport = hclge_get_vport(handle);
4782 	struct hclge_dev *hdev = vport->back;
4783 	struct hclge_comm_rss_cfg *rss_cfg = &hdev->rss_cfg;
4784 	int ret, i;
4785 
4786 	ret = hclge_comm_set_rss_hash_key(rss_cfg, &hdev->hw.hw, key, hfunc);
4787 	if (ret) {
4788 		dev_err(&hdev->pdev->dev, "invalid hfunc type %u\n", hfunc);
4789 		return ret;
4790 	}
4791 
4792 	/* Update the shadow RSS table with user specified qids */
4793 	for (i = 0; i < ae_dev->dev_specs.rss_ind_tbl_size; i++)
4794 		rss_cfg->rss_indirection_tbl[i] = indir[i];
4795 
4796 	/* Update the hardware */
4797 	return hclge_comm_set_rss_indir_table(ae_dev, &hdev->hw.hw,
4798 					      rss_cfg->rss_indirection_tbl);
4799 }
4800 
hclge_set_rss_tuple(struct hnae3_handle * handle,struct ethtool_rxnfc * nfc)4801 static int hclge_set_rss_tuple(struct hnae3_handle *handle,
4802 			       struct ethtool_rxnfc *nfc)
4803 {
4804 	struct hclge_vport *vport = hclge_get_vport(handle);
4805 	struct hclge_dev *hdev = vport->back;
4806 	int ret;
4807 
4808 	ret = hclge_comm_set_rss_tuple(hdev->ae_dev, &hdev->hw.hw,
4809 				       &hdev->rss_cfg, nfc);
4810 	if (ret) {
4811 		dev_err(&hdev->pdev->dev,
4812 			"failed to set rss tuple, ret = %d.\n", ret);
4813 		return ret;
4814 	}
4815 
4816 	return 0;
4817 }
4818 
hclge_get_rss_tuple(struct hnae3_handle * handle,struct ethtool_rxnfc * nfc)4819 static int hclge_get_rss_tuple(struct hnae3_handle *handle,
4820 			       struct ethtool_rxnfc *nfc)
4821 {
4822 	struct hclge_vport *vport = hclge_get_vport(handle);
4823 	u8 tuple_sets;
4824 	int ret;
4825 
4826 	nfc->data = 0;
4827 
4828 	ret = hclge_comm_get_rss_tuple(&vport->back->rss_cfg, nfc->flow_type,
4829 				       &tuple_sets);
4830 	if (ret || !tuple_sets)
4831 		return ret;
4832 
4833 	nfc->data = hclge_comm_convert_rss_tuple(tuple_sets);
4834 
4835 	return 0;
4836 }
4837 
hclge_get_tc_size(struct hnae3_handle * handle)4838 static int hclge_get_tc_size(struct hnae3_handle *handle)
4839 {
4840 	struct hclge_vport *vport = hclge_get_vport(handle);
4841 	struct hclge_dev *hdev = vport->back;
4842 
4843 	return hdev->pf_rss_size_max;
4844 }
4845 
hclge_init_rss_tc_mode(struct hclge_dev * hdev)4846 static int hclge_init_rss_tc_mode(struct hclge_dev *hdev)
4847 {
4848 	struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
4849 	struct hclge_vport *vport = hdev->vport;
4850 	u16 tc_offset[HCLGE_MAX_TC_NUM] = {0};
4851 	u16 tc_valid[HCLGE_MAX_TC_NUM] = {0};
4852 	u16 tc_size[HCLGE_MAX_TC_NUM] = {0};
4853 	struct hnae3_tc_info *tc_info;
4854 	u16 roundup_size;
4855 	u16 rss_size;
4856 	int i;
4857 
4858 	tc_info = &vport->nic.kinfo.tc_info;
4859 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
4860 		rss_size = tc_info->tqp_count[i];
4861 		tc_valid[i] = 0;
4862 
4863 		if (!(hdev->hw_tc_map & BIT(i)))
4864 			continue;
4865 
4866 		/* tc_size set to hardware is the log2 of roundup power of two
4867 		 * of rss_size, the acutal queue size is limited by indirection
4868 		 * table.
4869 		 */
4870 		if (rss_size > ae_dev->dev_specs.rss_ind_tbl_size ||
4871 		    rss_size == 0) {
4872 			dev_err(&hdev->pdev->dev,
4873 				"Configure rss tc size failed, invalid TC_SIZE = %u\n",
4874 				rss_size);
4875 			return -EINVAL;
4876 		}
4877 
4878 		roundup_size = roundup_pow_of_two(rss_size);
4879 		roundup_size = ilog2(roundup_size);
4880 
4881 		tc_valid[i] = 1;
4882 		tc_size[i] = roundup_size;
4883 		tc_offset[i] = tc_info->tqp_offset[i];
4884 	}
4885 
4886 	return hclge_comm_set_rss_tc_mode(&hdev->hw.hw, tc_offset, tc_valid,
4887 					  tc_size);
4888 }
4889 
hclge_rss_init_hw(struct hclge_dev * hdev)4890 int hclge_rss_init_hw(struct hclge_dev *hdev)
4891 {
4892 	u16 *rss_indir = hdev->rss_cfg.rss_indirection_tbl;
4893 	u8 *key = hdev->rss_cfg.rss_hash_key;
4894 	u8 hfunc = hdev->rss_cfg.rss_algo;
4895 	int ret;
4896 
4897 	ret = hclge_comm_set_rss_indir_table(hdev->ae_dev, &hdev->hw.hw,
4898 					     rss_indir);
4899 	if (ret)
4900 		return ret;
4901 
4902 	ret = hclge_comm_set_rss_algo_key(&hdev->hw.hw, hfunc, key);
4903 	if (ret)
4904 		return ret;
4905 
4906 	ret = hclge_comm_set_rss_input_tuple(&hdev->hw.hw, &hdev->rss_cfg);
4907 	if (ret)
4908 		return ret;
4909 
4910 	return hclge_init_rss_tc_mode(hdev);
4911 }
4912 
hclge_bind_ring_with_vector(struct hclge_vport * vport,int vector_id,bool en,struct hnae3_ring_chain_node * ring_chain)4913 int hclge_bind_ring_with_vector(struct hclge_vport *vport,
4914 				int vector_id, bool en,
4915 				struct hnae3_ring_chain_node *ring_chain)
4916 {
4917 	struct hclge_dev *hdev = vport->back;
4918 	struct hnae3_ring_chain_node *node;
4919 	struct hclge_desc desc;
4920 	struct hclge_ctrl_vector_chain_cmd *req =
4921 		(struct hclge_ctrl_vector_chain_cmd *)desc.data;
4922 	enum hclge_comm_cmd_status status;
4923 	enum hclge_opcode_type op;
4924 	u16 tqp_type_and_id;
4925 	int i;
4926 
4927 	op = en ? HCLGE_OPC_ADD_RING_TO_VECTOR : HCLGE_OPC_DEL_RING_TO_VECTOR;
4928 	hclge_cmd_setup_basic_desc(&desc, op, false);
4929 	req->int_vector_id_l = hnae3_get_field(vector_id,
4930 					       HCLGE_VECTOR_ID_L_M,
4931 					       HCLGE_VECTOR_ID_L_S);
4932 	req->int_vector_id_h = hnae3_get_field(vector_id,
4933 					       HCLGE_VECTOR_ID_H_M,
4934 					       HCLGE_VECTOR_ID_H_S);
4935 
4936 	i = 0;
4937 	for (node = ring_chain; node; node = node->next) {
4938 		tqp_type_and_id = le16_to_cpu(req->tqp_type_and_id[i]);
4939 		hnae3_set_field(tqp_type_and_id,  HCLGE_INT_TYPE_M,
4940 				HCLGE_INT_TYPE_S,
4941 				hnae3_get_bit(node->flag, HNAE3_RING_TYPE_B));
4942 		hnae3_set_field(tqp_type_and_id, HCLGE_TQP_ID_M,
4943 				HCLGE_TQP_ID_S, node->tqp_index);
4944 		hnae3_set_field(tqp_type_and_id, HCLGE_INT_GL_IDX_M,
4945 				HCLGE_INT_GL_IDX_S,
4946 				hnae3_get_field(node->int_gl_idx,
4947 						HNAE3_RING_GL_IDX_M,
4948 						HNAE3_RING_GL_IDX_S));
4949 		req->tqp_type_and_id[i] = cpu_to_le16(tqp_type_and_id);
4950 		if (++i >= HCLGE_VECTOR_ELEMENTS_PER_CMD) {
4951 			req->int_cause_num = HCLGE_VECTOR_ELEMENTS_PER_CMD;
4952 			req->vfid = vport->vport_id;
4953 
4954 			status = hclge_cmd_send(&hdev->hw, &desc, 1);
4955 			if (status) {
4956 				dev_err(&hdev->pdev->dev,
4957 					"Map TQP fail, status is %d.\n",
4958 					status);
4959 				return -EIO;
4960 			}
4961 			i = 0;
4962 
4963 			hclge_cmd_setup_basic_desc(&desc,
4964 						   op,
4965 						   false);
4966 			req->int_vector_id_l =
4967 				hnae3_get_field(vector_id,
4968 						HCLGE_VECTOR_ID_L_M,
4969 						HCLGE_VECTOR_ID_L_S);
4970 			req->int_vector_id_h =
4971 				hnae3_get_field(vector_id,
4972 						HCLGE_VECTOR_ID_H_M,
4973 						HCLGE_VECTOR_ID_H_S);
4974 		}
4975 	}
4976 
4977 	if (i > 0) {
4978 		req->int_cause_num = i;
4979 		req->vfid = vport->vport_id;
4980 		status = hclge_cmd_send(&hdev->hw, &desc, 1);
4981 		if (status) {
4982 			dev_err(&hdev->pdev->dev,
4983 				"Map TQP fail, status is %d.\n", status);
4984 			return -EIO;
4985 		}
4986 	}
4987 
4988 	return 0;
4989 }
4990 
hclge_map_ring_to_vector(struct hnae3_handle * handle,int vector,struct hnae3_ring_chain_node * ring_chain)4991 static int hclge_map_ring_to_vector(struct hnae3_handle *handle, int vector,
4992 				    struct hnae3_ring_chain_node *ring_chain)
4993 {
4994 	struct hclge_vport *vport = hclge_get_vport(handle);
4995 	struct hclge_dev *hdev = vport->back;
4996 	int vector_id;
4997 
4998 	vector_id = hclge_get_vector_index(hdev, vector);
4999 	if (vector_id < 0) {
5000 		dev_err(&hdev->pdev->dev,
5001 			"failed to get vector index. vector=%d\n", vector);
5002 		return vector_id;
5003 	}
5004 
5005 	return hclge_bind_ring_with_vector(vport, vector_id, true, ring_chain);
5006 }
5007 
hclge_unmap_ring_frm_vector(struct hnae3_handle * handle,int vector,struct hnae3_ring_chain_node * ring_chain)5008 static int hclge_unmap_ring_frm_vector(struct hnae3_handle *handle, int vector,
5009 				       struct hnae3_ring_chain_node *ring_chain)
5010 {
5011 	struct hclge_vport *vport = hclge_get_vport(handle);
5012 	struct hclge_dev *hdev = vport->back;
5013 	int vector_id, ret;
5014 
5015 	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
5016 		return 0;
5017 
5018 	vector_id = hclge_get_vector_index(hdev, vector);
5019 	if (vector_id < 0) {
5020 		dev_err(&handle->pdev->dev,
5021 			"Get vector index fail. ret =%d\n", vector_id);
5022 		return vector_id;
5023 	}
5024 
5025 	ret = hclge_bind_ring_with_vector(vport, vector_id, false, ring_chain);
5026 	if (ret)
5027 		dev_err(&handle->pdev->dev,
5028 			"Unmap ring from vector fail. vectorid=%d, ret =%d\n",
5029 			vector_id, ret);
5030 
5031 	return ret;
5032 }
5033 
hclge_cmd_set_promisc_mode(struct hclge_dev * hdev,u8 vf_id,bool en_uc,bool en_mc,bool en_bc)5034 static int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev, u8 vf_id,
5035 				      bool en_uc, bool en_mc, bool en_bc)
5036 {
5037 	struct hclge_vport *vport = &hdev->vport[vf_id];
5038 	struct hnae3_handle *handle = &vport->nic;
5039 	struct hclge_promisc_cfg_cmd *req;
5040 	struct hclge_desc desc;
5041 	bool uc_tx_en = en_uc;
5042 	u8 promisc_cfg = 0;
5043 	int ret;
5044 
5045 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PROMISC_MODE, false);
5046 
5047 	req = (struct hclge_promisc_cfg_cmd *)desc.data;
5048 	req->vf_id = vf_id;
5049 
5050 	if (test_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags))
5051 		uc_tx_en = false;
5052 
5053 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_UC_RX_EN, en_uc ? 1 : 0);
5054 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_MC_RX_EN, en_mc ? 1 : 0);
5055 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_BC_RX_EN, en_bc ? 1 : 0);
5056 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_UC_TX_EN, uc_tx_en ? 1 : 0);
5057 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_MC_TX_EN, en_mc ? 1 : 0);
5058 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_BC_TX_EN, en_bc ? 1 : 0);
5059 	req->extend_promisc = promisc_cfg;
5060 
5061 	/* to be compatible with DEVICE_VERSION_V1/2 */
5062 	promisc_cfg = 0;
5063 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_EN_UC, en_uc ? 1 : 0);
5064 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_EN_MC, en_mc ? 1 : 0);
5065 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_EN_BC, en_bc ? 1 : 0);
5066 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_TX_EN, 1);
5067 	hnae3_set_bit(promisc_cfg, HCLGE_PROMISC_RX_EN, 1);
5068 	req->promisc = promisc_cfg;
5069 
5070 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5071 	if (ret)
5072 		dev_err(&hdev->pdev->dev,
5073 			"failed to set vport %u promisc mode, ret = %d.\n",
5074 			vf_id, ret);
5075 
5076 	return ret;
5077 }
5078 
hclge_set_vport_promisc_mode(struct hclge_vport * vport,bool en_uc_pmc,bool en_mc_pmc,bool en_bc_pmc)5079 int hclge_set_vport_promisc_mode(struct hclge_vport *vport, bool en_uc_pmc,
5080 				 bool en_mc_pmc, bool en_bc_pmc)
5081 {
5082 	return hclge_cmd_set_promisc_mode(vport->back, vport->vport_id,
5083 					  en_uc_pmc, en_mc_pmc, en_bc_pmc);
5084 }
5085 
hclge_set_promisc_mode(struct hnae3_handle * handle,bool en_uc_pmc,bool en_mc_pmc)5086 static int hclge_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc,
5087 				  bool en_mc_pmc)
5088 {
5089 	struct hclge_vport *vport = hclge_get_vport(handle);
5090 	struct hclge_dev *hdev = vport->back;
5091 	bool en_bc_pmc = true;
5092 
5093 	/* For device whose version below V2, if broadcast promisc enabled,
5094 	 * vlan filter is always bypassed. So broadcast promisc should be
5095 	 * disabled until user enable promisc mode
5096 	 */
5097 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
5098 		en_bc_pmc = handle->netdev_flags & HNAE3_BPE ? true : false;
5099 
5100 	return hclge_set_vport_promisc_mode(vport, en_uc_pmc, en_mc_pmc,
5101 					    en_bc_pmc);
5102 }
5103 
hclge_request_update_promisc_mode(struct hnae3_handle * handle)5104 static void hclge_request_update_promisc_mode(struct hnae3_handle *handle)
5105 {
5106 	struct hclge_vport *vport = hclge_get_vport(handle);
5107 
5108 	set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
5109 }
5110 
hclge_sync_fd_state(struct hclge_dev * hdev)5111 static void hclge_sync_fd_state(struct hclge_dev *hdev)
5112 {
5113 	if (hlist_empty(&hdev->fd_rule_list))
5114 		hdev->fd_active_type = HCLGE_FD_RULE_NONE;
5115 }
5116 
hclge_fd_inc_rule_cnt(struct hclge_dev * hdev,u16 location)5117 static void hclge_fd_inc_rule_cnt(struct hclge_dev *hdev, u16 location)
5118 {
5119 	if (!test_bit(location, hdev->fd_bmap)) {
5120 		set_bit(location, hdev->fd_bmap);
5121 		hdev->hclge_fd_rule_num++;
5122 	}
5123 }
5124 
hclge_fd_dec_rule_cnt(struct hclge_dev * hdev,u16 location)5125 static void hclge_fd_dec_rule_cnt(struct hclge_dev *hdev, u16 location)
5126 {
5127 	if (test_bit(location, hdev->fd_bmap)) {
5128 		clear_bit(location, hdev->fd_bmap);
5129 		hdev->hclge_fd_rule_num--;
5130 	}
5131 }
5132 
hclge_fd_free_node(struct hclge_dev * hdev,struct hclge_fd_rule * rule)5133 static void hclge_fd_free_node(struct hclge_dev *hdev,
5134 			       struct hclge_fd_rule *rule)
5135 {
5136 	hlist_del(&rule->rule_node);
5137 	kfree(rule);
5138 	hclge_sync_fd_state(hdev);
5139 }
5140 
hclge_update_fd_rule_node(struct hclge_dev * hdev,struct hclge_fd_rule * old_rule,struct hclge_fd_rule * new_rule,enum HCLGE_FD_NODE_STATE state)5141 static void hclge_update_fd_rule_node(struct hclge_dev *hdev,
5142 				      struct hclge_fd_rule *old_rule,
5143 				      struct hclge_fd_rule *new_rule,
5144 				      enum HCLGE_FD_NODE_STATE state)
5145 {
5146 	switch (state) {
5147 	case HCLGE_FD_TO_ADD:
5148 	case HCLGE_FD_ACTIVE:
5149 		/* 1) if the new state is TO_ADD, just replace the old rule
5150 		 * with the same location, no matter its state, because the
5151 		 * new rule will be configured to the hardware.
5152 		 * 2) if the new state is ACTIVE, it means the new rule
5153 		 * has been configured to the hardware, so just replace
5154 		 * the old rule node with the same location.
5155 		 * 3) for it doesn't add a new node to the list, so it's
5156 		 * unnecessary to update the rule number and fd_bmap.
5157 		 */
5158 		new_rule->rule_node.next = old_rule->rule_node.next;
5159 		new_rule->rule_node.pprev = old_rule->rule_node.pprev;
5160 		memcpy(old_rule, new_rule, sizeof(*old_rule));
5161 		kfree(new_rule);
5162 		break;
5163 	case HCLGE_FD_DELETED:
5164 		hclge_fd_dec_rule_cnt(hdev, old_rule->location);
5165 		hclge_fd_free_node(hdev, old_rule);
5166 		break;
5167 	case HCLGE_FD_TO_DEL:
5168 		/* if new request is TO_DEL, and old rule is existent
5169 		 * 1) the state of old rule is TO_DEL, we need do nothing,
5170 		 * because we delete rule by location, other rule content
5171 		 * is unncessary.
5172 		 * 2) the state of old rule is ACTIVE, we need to change its
5173 		 * state to TO_DEL, so the rule will be deleted when periodic
5174 		 * task being scheduled.
5175 		 * 3) the state of old rule is TO_ADD, it means the rule hasn't
5176 		 * been added to hardware, so we just delete the rule node from
5177 		 * fd_rule_list directly.
5178 		 */
5179 		if (old_rule->state == HCLGE_FD_TO_ADD) {
5180 			hclge_fd_dec_rule_cnt(hdev, old_rule->location);
5181 			hclge_fd_free_node(hdev, old_rule);
5182 			return;
5183 		}
5184 		old_rule->state = HCLGE_FD_TO_DEL;
5185 		break;
5186 	}
5187 }
5188 
hclge_find_fd_rule(struct hlist_head * hlist,u16 location,struct hclge_fd_rule ** parent)5189 static struct hclge_fd_rule *hclge_find_fd_rule(struct hlist_head *hlist,
5190 						u16 location,
5191 						struct hclge_fd_rule **parent)
5192 {
5193 	struct hclge_fd_rule *rule;
5194 	struct hlist_node *node;
5195 
5196 	hlist_for_each_entry_safe(rule, node, hlist, rule_node) {
5197 		if (rule->location == location)
5198 			return rule;
5199 		else if (rule->location > location)
5200 			return NULL;
5201 		/* record the parent node, use to keep the nodes in fd_rule_list
5202 		 * in ascend order.
5203 		 */
5204 		*parent = rule;
5205 	}
5206 
5207 	return NULL;
5208 }
5209 
5210 /* insert fd rule node in ascend order according to rule->location */
hclge_fd_insert_rule_node(struct hlist_head * hlist,struct hclge_fd_rule * rule,struct hclge_fd_rule * parent)5211 static void hclge_fd_insert_rule_node(struct hlist_head *hlist,
5212 				      struct hclge_fd_rule *rule,
5213 				      struct hclge_fd_rule *parent)
5214 {
5215 	INIT_HLIST_NODE(&rule->rule_node);
5216 
5217 	if (parent)
5218 		hlist_add_behind(&rule->rule_node, &parent->rule_node);
5219 	else
5220 		hlist_add_head(&rule->rule_node, hlist);
5221 }
5222 
hclge_fd_set_user_def_cmd(struct hclge_dev * hdev,struct hclge_fd_user_def_cfg * cfg)5223 static int hclge_fd_set_user_def_cmd(struct hclge_dev *hdev,
5224 				     struct hclge_fd_user_def_cfg *cfg)
5225 {
5226 	struct hclge_fd_user_def_cfg_cmd *req;
5227 	struct hclge_desc desc;
5228 	u16 data = 0;
5229 	int ret;
5230 
5231 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_USER_DEF_OP, false);
5232 
5233 	req = (struct hclge_fd_user_def_cfg_cmd *)desc.data;
5234 
5235 	hnae3_set_bit(data, HCLGE_FD_USER_DEF_EN_B, cfg[0].ref_cnt > 0);
5236 	hnae3_set_field(data, HCLGE_FD_USER_DEF_OFT_M,
5237 			HCLGE_FD_USER_DEF_OFT_S, cfg[0].offset);
5238 	req->ol2_cfg = cpu_to_le16(data);
5239 
5240 	data = 0;
5241 	hnae3_set_bit(data, HCLGE_FD_USER_DEF_EN_B, cfg[1].ref_cnt > 0);
5242 	hnae3_set_field(data, HCLGE_FD_USER_DEF_OFT_M,
5243 			HCLGE_FD_USER_DEF_OFT_S, cfg[1].offset);
5244 	req->ol3_cfg = cpu_to_le16(data);
5245 
5246 	data = 0;
5247 	hnae3_set_bit(data, HCLGE_FD_USER_DEF_EN_B, cfg[2].ref_cnt > 0);
5248 	hnae3_set_field(data, HCLGE_FD_USER_DEF_OFT_M,
5249 			HCLGE_FD_USER_DEF_OFT_S, cfg[2].offset);
5250 	req->ol4_cfg = cpu_to_le16(data);
5251 
5252 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5253 	if (ret)
5254 		dev_err(&hdev->pdev->dev,
5255 			"failed to set fd user def data, ret= %d\n", ret);
5256 	return ret;
5257 }
5258 
hclge_sync_fd_user_def_cfg(struct hclge_dev * hdev,bool locked)5259 static void hclge_sync_fd_user_def_cfg(struct hclge_dev *hdev, bool locked)
5260 {
5261 	int ret;
5262 
5263 	if (!test_and_clear_bit(HCLGE_STATE_FD_USER_DEF_CHANGED, &hdev->state))
5264 		return;
5265 
5266 	if (!locked)
5267 		spin_lock_bh(&hdev->fd_rule_lock);
5268 
5269 	ret = hclge_fd_set_user_def_cmd(hdev, hdev->fd_cfg.user_def_cfg);
5270 	if (ret)
5271 		set_bit(HCLGE_STATE_FD_USER_DEF_CHANGED, &hdev->state);
5272 
5273 	if (!locked)
5274 		spin_unlock_bh(&hdev->fd_rule_lock);
5275 }
5276 
hclge_fd_check_user_def_refcnt(struct hclge_dev * hdev,struct hclge_fd_rule * rule)5277 static int hclge_fd_check_user_def_refcnt(struct hclge_dev *hdev,
5278 					  struct hclge_fd_rule *rule)
5279 {
5280 	struct hlist_head *hlist = &hdev->fd_rule_list;
5281 	struct hclge_fd_rule *fd_rule, *parent = NULL;
5282 	struct hclge_fd_user_def_info *info, *old_info;
5283 	struct hclge_fd_user_def_cfg *cfg;
5284 
5285 	if (!rule || rule->rule_type != HCLGE_FD_EP_ACTIVE ||
5286 	    rule->ep.user_def.layer == HCLGE_FD_USER_DEF_NONE)
5287 		return 0;
5288 
5289 	/* for valid layer is start from 1, so need minus 1 to get the cfg */
5290 	cfg = &hdev->fd_cfg.user_def_cfg[rule->ep.user_def.layer - 1];
5291 	info = &rule->ep.user_def;
5292 
5293 	if (!cfg->ref_cnt || cfg->offset == info->offset)
5294 		return 0;
5295 
5296 	if (cfg->ref_cnt > 1)
5297 		goto error;
5298 
5299 	fd_rule = hclge_find_fd_rule(hlist, rule->location, &parent);
5300 	if (fd_rule) {
5301 		old_info = &fd_rule->ep.user_def;
5302 		if (info->layer == old_info->layer)
5303 			return 0;
5304 	}
5305 
5306 error:
5307 	dev_err(&hdev->pdev->dev,
5308 		"No available offset for layer%d fd rule, each layer only support one user def offset.\n",
5309 		info->layer + 1);
5310 	return -ENOSPC;
5311 }
5312 
hclge_fd_inc_user_def_refcnt(struct hclge_dev * hdev,struct hclge_fd_rule * rule)5313 static void hclge_fd_inc_user_def_refcnt(struct hclge_dev *hdev,
5314 					 struct hclge_fd_rule *rule)
5315 {
5316 	struct hclge_fd_user_def_cfg *cfg;
5317 
5318 	if (!rule || rule->rule_type != HCLGE_FD_EP_ACTIVE ||
5319 	    rule->ep.user_def.layer == HCLGE_FD_USER_DEF_NONE)
5320 		return;
5321 
5322 	cfg = &hdev->fd_cfg.user_def_cfg[rule->ep.user_def.layer - 1];
5323 	if (!cfg->ref_cnt) {
5324 		cfg->offset = rule->ep.user_def.offset;
5325 		set_bit(HCLGE_STATE_FD_USER_DEF_CHANGED, &hdev->state);
5326 	}
5327 	cfg->ref_cnt++;
5328 }
5329 
hclge_fd_dec_user_def_refcnt(struct hclge_dev * hdev,struct hclge_fd_rule * rule)5330 static void hclge_fd_dec_user_def_refcnt(struct hclge_dev *hdev,
5331 					 struct hclge_fd_rule *rule)
5332 {
5333 	struct hclge_fd_user_def_cfg *cfg;
5334 
5335 	if (!rule || rule->rule_type != HCLGE_FD_EP_ACTIVE ||
5336 	    rule->ep.user_def.layer == HCLGE_FD_USER_DEF_NONE)
5337 		return;
5338 
5339 	cfg = &hdev->fd_cfg.user_def_cfg[rule->ep.user_def.layer - 1];
5340 	if (!cfg->ref_cnt)
5341 		return;
5342 
5343 	cfg->ref_cnt--;
5344 	if (!cfg->ref_cnt) {
5345 		cfg->offset = 0;
5346 		set_bit(HCLGE_STATE_FD_USER_DEF_CHANGED, &hdev->state);
5347 	}
5348 }
5349 
hclge_update_fd_list(struct hclge_dev * hdev,enum HCLGE_FD_NODE_STATE state,u16 location,struct hclge_fd_rule * new_rule)5350 static void hclge_update_fd_list(struct hclge_dev *hdev,
5351 				 enum HCLGE_FD_NODE_STATE state, u16 location,
5352 				 struct hclge_fd_rule *new_rule)
5353 {
5354 	struct hlist_head *hlist = &hdev->fd_rule_list;
5355 	struct hclge_fd_rule *fd_rule, *parent = NULL;
5356 
5357 	fd_rule = hclge_find_fd_rule(hlist, location, &parent);
5358 	if (fd_rule) {
5359 		hclge_fd_dec_user_def_refcnt(hdev, fd_rule);
5360 		if (state == HCLGE_FD_ACTIVE)
5361 			hclge_fd_inc_user_def_refcnt(hdev, new_rule);
5362 		hclge_sync_fd_user_def_cfg(hdev, true);
5363 
5364 		hclge_update_fd_rule_node(hdev, fd_rule, new_rule, state);
5365 		return;
5366 	}
5367 
5368 	/* it's unlikely to fail here, because we have checked the rule
5369 	 * exist before.
5370 	 */
5371 	if (unlikely(state == HCLGE_FD_TO_DEL || state == HCLGE_FD_DELETED)) {
5372 		dev_warn(&hdev->pdev->dev,
5373 			 "failed to delete fd rule %u, it's inexistent\n",
5374 			 location);
5375 		return;
5376 	}
5377 
5378 	hclge_fd_inc_user_def_refcnt(hdev, new_rule);
5379 	hclge_sync_fd_user_def_cfg(hdev, true);
5380 
5381 	hclge_fd_insert_rule_node(hlist, new_rule, parent);
5382 	hclge_fd_inc_rule_cnt(hdev, new_rule->location);
5383 
5384 	if (state == HCLGE_FD_TO_ADD) {
5385 		set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
5386 		hclge_task_schedule(hdev, 0);
5387 	}
5388 }
5389 
hclge_get_fd_mode(struct hclge_dev * hdev,u8 * fd_mode)5390 static int hclge_get_fd_mode(struct hclge_dev *hdev, u8 *fd_mode)
5391 {
5392 	struct hclge_get_fd_mode_cmd *req;
5393 	struct hclge_desc desc;
5394 	int ret;
5395 
5396 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_MODE_CTRL, true);
5397 
5398 	req = (struct hclge_get_fd_mode_cmd *)desc.data;
5399 
5400 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5401 	if (ret) {
5402 		dev_err(&hdev->pdev->dev, "get fd mode fail, ret=%d\n", ret);
5403 		return ret;
5404 	}
5405 
5406 	*fd_mode = req->mode;
5407 
5408 	return ret;
5409 }
5410 
hclge_get_fd_allocation(struct hclge_dev * hdev,u32 * stage1_entry_num,u32 * stage2_entry_num,u16 * stage1_counter_num,u16 * stage2_counter_num)5411 static int hclge_get_fd_allocation(struct hclge_dev *hdev,
5412 				   u32 *stage1_entry_num,
5413 				   u32 *stage2_entry_num,
5414 				   u16 *stage1_counter_num,
5415 				   u16 *stage2_counter_num)
5416 {
5417 	struct hclge_get_fd_allocation_cmd *req;
5418 	struct hclge_desc desc;
5419 	int ret;
5420 
5421 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_GET_ALLOCATION, true);
5422 
5423 	req = (struct hclge_get_fd_allocation_cmd *)desc.data;
5424 
5425 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5426 	if (ret) {
5427 		dev_err(&hdev->pdev->dev, "query fd allocation fail, ret=%d\n",
5428 			ret);
5429 		return ret;
5430 	}
5431 
5432 	*stage1_entry_num = le32_to_cpu(req->stage1_entry_num);
5433 	*stage2_entry_num = le32_to_cpu(req->stage2_entry_num);
5434 	*stage1_counter_num = le16_to_cpu(req->stage1_counter_num);
5435 	*stage2_counter_num = le16_to_cpu(req->stage2_counter_num);
5436 
5437 	return ret;
5438 }
5439 
hclge_set_fd_key_config(struct hclge_dev * hdev,enum HCLGE_FD_STAGE stage_num)5440 static int hclge_set_fd_key_config(struct hclge_dev *hdev,
5441 				   enum HCLGE_FD_STAGE stage_num)
5442 {
5443 	struct hclge_set_fd_key_config_cmd *req;
5444 	struct hclge_fd_key_cfg *stage;
5445 	struct hclge_desc desc;
5446 	int ret;
5447 
5448 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_KEY_CONFIG, false);
5449 
5450 	req = (struct hclge_set_fd_key_config_cmd *)desc.data;
5451 	stage = &hdev->fd_cfg.key_cfg[stage_num];
5452 	req->stage = stage_num;
5453 	req->key_select = stage->key_sel;
5454 	req->inner_sipv6_word_en = stage->inner_sipv6_word_en;
5455 	req->inner_dipv6_word_en = stage->inner_dipv6_word_en;
5456 	req->outer_sipv6_word_en = stage->outer_sipv6_word_en;
5457 	req->outer_dipv6_word_en = stage->outer_dipv6_word_en;
5458 	req->tuple_mask = cpu_to_le32(~stage->tuple_active);
5459 	req->meta_data_mask = cpu_to_le32(~stage->meta_data_active);
5460 
5461 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5462 	if (ret)
5463 		dev_err(&hdev->pdev->dev, "set fd key fail, ret=%d\n", ret);
5464 
5465 	return ret;
5466 }
5467 
hclge_fd_disable_user_def(struct hclge_dev * hdev)5468 static void hclge_fd_disable_user_def(struct hclge_dev *hdev)
5469 {
5470 	struct hclge_fd_user_def_cfg *cfg = hdev->fd_cfg.user_def_cfg;
5471 
5472 	spin_lock_bh(&hdev->fd_rule_lock);
5473 	memset(cfg, 0, sizeof(hdev->fd_cfg.user_def_cfg));
5474 	spin_unlock_bh(&hdev->fd_rule_lock);
5475 
5476 	hclge_fd_set_user_def_cmd(hdev, cfg);
5477 }
5478 
hclge_init_fd_config(struct hclge_dev * hdev)5479 static int hclge_init_fd_config(struct hclge_dev *hdev)
5480 {
5481 #define LOW_2_WORDS		0x03
5482 	struct hclge_fd_key_cfg *key_cfg;
5483 	int ret;
5484 
5485 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
5486 		return 0;
5487 
5488 	ret = hclge_get_fd_mode(hdev, &hdev->fd_cfg.fd_mode);
5489 	if (ret)
5490 		return ret;
5491 
5492 	switch (hdev->fd_cfg.fd_mode) {
5493 	case HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1:
5494 		hdev->fd_cfg.max_key_length = MAX_KEY_LENGTH;
5495 		break;
5496 	case HCLGE_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1:
5497 		hdev->fd_cfg.max_key_length = MAX_KEY_LENGTH / 2;
5498 		break;
5499 	default:
5500 		dev_err(&hdev->pdev->dev,
5501 			"Unsupported flow director mode %u\n",
5502 			hdev->fd_cfg.fd_mode);
5503 		return -EOPNOTSUPP;
5504 	}
5505 
5506 	key_cfg = &hdev->fd_cfg.key_cfg[HCLGE_FD_STAGE_1];
5507 	key_cfg->key_sel = HCLGE_FD_KEY_BASE_ON_TUPLE;
5508 	key_cfg->inner_sipv6_word_en = LOW_2_WORDS;
5509 	key_cfg->inner_dipv6_word_en = LOW_2_WORDS;
5510 	key_cfg->outer_sipv6_word_en = 0;
5511 	key_cfg->outer_dipv6_word_en = 0;
5512 
5513 	key_cfg->tuple_active = BIT(INNER_VLAN_TAG_FST) | BIT(INNER_ETH_TYPE) |
5514 				BIT(INNER_IP_PROTO) | BIT(INNER_IP_TOS) |
5515 				BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
5516 				BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
5517 
5518 	/* If use max 400bit key, we can support tuples for ether type */
5519 	if (hdev->fd_cfg.fd_mode == HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
5520 		key_cfg->tuple_active |=
5521 				BIT(INNER_DST_MAC) | BIT(INNER_SRC_MAC);
5522 		if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
5523 			key_cfg->tuple_active |= HCLGE_FD_TUPLE_USER_DEF_TUPLES;
5524 	}
5525 
5526 	/* roce_type is used to filter roce frames
5527 	 * dst_vport is used to specify the rule
5528 	 */
5529 	key_cfg->meta_data_active = BIT(ROCE_TYPE) | BIT(DST_VPORT);
5530 
5531 	ret = hclge_get_fd_allocation(hdev,
5532 				      &hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1],
5533 				      &hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_2],
5534 				      &hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_1],
5535 				      &hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_2]);
5536 	if (ret)
5537 		return ret;
5538 
5539 	return hclge_set_fd_key_config(hdev, HCLGE_FD_STAGE_1);
5540 }
5541 
hclge_fd_tcam_config(struct hclge_dev * hdev,u8 stage,bool sel_x,int loc,u8 * key,bool is_add)5542 static int hclge_fd_tcam_config(struct hclge_dev *hdev, u8 stage, bool sel_x,
5543 				int loc, u8 *key, bool is_add)
5544 {
5545 	struct hclge_fd_tcam_config_1_cmd *req1;
5546 	struct hclge_fd_tcam_config_2_cmd *req2;
5547 	struct hclge_fd_tcam_config_3_cmd *req3;
5548 	struct hclge_desc desc[3];
5549 	int ret;
5550 
5551 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_FD_TCAM_OP, false);
5552 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
5553 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_FD_TCAM_OP, false);
5554 	desc[1].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
5555 	hclge_cmd_setup_basic_desc(&desc[2], HCLGE_OPC_FD_TCAM_OP, false);
5556 
5557 	req1 = (struct hclge_fd_tcam_config_1_cmd *)desc[0].data;
5558 	req2 = (struct hclge_fd_tcam_config_2_cmd *)desc[1].data;
5559 	req3 = (struct hclge_fd_tcam_config_3_cmd *)desc[2].data;
5560 
5561 	req1->stage = stage;
5562 	req1->xy_sel = sel_x ? 1 : 0;
5563 	hnae3_set_bit(req1->port_info, HCLGE_FD_EPORT_SW_EN_B, 0);
5564 	req1->index = cpu_to_le32(loc);
5565 	req1->entry_vld = sel_x ? is_add : 0;
5566 
5567 	if (key) {
5568 		memcpy(req1->tcam_data, &key[0], sizeof(req1->tcam_data));
5569 		memcpy(req2->tcam_data, &key[sizeof(req1->tcam_data)],
5570 		       sizeof(req2->tcam_data));
5571 		memcpy(req3->tcam_data, &key[sizeof(req1->tcam_data) +
5572 		       sizeof(req2->tcam_data)], sizeof(req3->tcam_data));
5573 	}
5574 
5575 	ret = hclge_cmd_send(&hdev->hw, desc, 3);
5576 	if (ret)
5577 		dev_err(&hdev->pdev->dev,
5578 			"config tcam key fail, ret=%d\n",
5579 			ret);
5580 
5581 	return ret;
5582 }
5583 
hclge_fd_ad_config(struct hclge_dev * hdev,u8 stage,int loc,struct hclge_fd_ad_data * action)5584 static int hclge_fd_ad_config(struct hclge_dev *hdev, u8 stage, int loc,
5585 			      struct hclge_fd_ad_data *action)
5586 {
5587 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
5588 	struct hclge_fd_ad_config_cmd *req;
5589 	struct hclge_desc desc;
5590 	u64 ad_data = 0;
5591 	int ret;
5592 
5593 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_AD_OP, false);
5594 
5595 	req = (struct hclge_fd_ad_config_cmd *)desc.data;
5596 	req->index = cpu_to_le32(loc);
5597 	req->stage = stage;
5598 
5599 	hnae3_set_bit(ad_data, HCLGE_FD_AD_WR_RULE_ID_B,
5600 		      action->write_rule_id_to_bd);
5601 	hnae3_set_field(ad_data, HCLGE_FD_AD_RULE_ID_M, HCLGE_FD_AD_RULE_ID_S,
5602 			action->rule_id);
5603 	if (test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps)) {
5604 		hnae3_set_bit(ad_data, HCLGE_FD_AD_TC_OVRD_B,
5605 			      action->override_tc);
5606 		hnae3_set_field(ad_data, HCLGE_FD_AD_TC_SIZE_M,
5607 				HCLGE_FD_AD_TC_SIZE_S, (u32)action->tc_size);
5608 	}
5609 	ad_data <<= 32;
5610 	hnae3_set_bit(ad_data, HCLGE_FD_AD_DROP_B, action->drop_packet);
5611 	hnae3_set_bit(ad_data, HCLGE_FD_AD_DIRECT_QID_B,
5612 		      action->forward_to_direct_queue);
5613 	hnae3_set_field(ad_data, HCLGE_FD_AD_QID_M, HCLGE_FD_AD_QID_S,
5614 			action->queue_id);
5615 	hnae3_set_bit(ad_data, HCLGE_FD_AD_USE_COUNTER_B, action->use_counter);
5616 	hnae3_set_field(ad_data, HCLGE_FD_AD_COUNTER_NUM_M,
5617 			HCLGE_FD_AD_COUNTER_NUM_S, action->counter_id);
5618 	hnae3_set_bit(ad_data, HCLGE_FD_AD_NXT_STEP_B, action->use_next_stage);
5619 	hnae3_set_field(ad_data, HCLGE_FD_AD_NXT_KEY_M, HCLGE_FD_AD_NXT_KEY_S,
5620 			action->counter_id);
5621 
5622 	req->ad_data = cpu_to_le64(ad_data);
5623 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
5624 	if (ret)
5625 		dev_err(&hdev->pdev->dev, "fd ad config fail, ret=%d\n", ret);
5626 
5627 	return ret;
5628 }
5629 
hclge_fd_convert_tuple(u32 tuple_bit,u8 * key_x,u8 * key_y,struct hclge_fd_rule * rule)5630 static bool hclge_fd_convert_tuple(u32 tuple_bit, u8 *key_x, u8 *key_y,
5631 				   struct hclge_fd_rule *rule)
5632 {
5633 	int offset, moffset, ip_offset;
5634 	enum HCLGE_FD_KEY_OPT key_opt;
5635 	u16 tmp_x_s, tmp_y_s;
5636 	u32 tmp_x_l, tmp_y_l;
5637 	u8 *p = (u8 *)rule;
5638 	int i;
5639 
5640 	if (rule->unused_tuple & BIT(tuple_bit))
5641 		return true;
5642 
5643 	key_opt = tuple_key_info[tuple_bit].key_opt;
5644 	offset = tuple_key_info[tuple_bit].offset;
5645 	moffset = tuple_key_info[tuple_bit].moffset;
5646 
5647 	switch (key_opt) {
5648 	case KEY_OPT_U8:
5649 		calc_x(*key_x, p[offset], p[moffset]);
5650 		calc_y(*key_y, p[offset], p[moffset]);
5651 
5652 		return true;
5653 	case KEY_OPT_LE16:
5654 		calc_x(tmp_x_s, *(u16 *)(&p[offset]), *(u16 *)(&p[moffset]));
5655 		calc_y(tmp_y_s, *(u16 *)(&p[offset]), *(u16 *)(&p[moffset]));
5656 		*(__le16 *)key_x = cpu_to_le16(tmp_x_s);
5657 		*(__le16 *)key_y = cpu_to_le16(tmp_y_s);
5658 
5659 		return true;
5660 	case KEY_OPT_LE32:
5661 		calc_x(tmp_x_l, *(u32 *)(&p[offset]), *(u32 *)(&p[moffset]));
5662 		calc_y(tmp_y_l, *(u32 *)(&p[offset]), *(u32 *)(&p[moffset]));
5663 		*(__le32 *)key_x = cpu_to_le32(tmp_x_l);
5664 		*(__le32 *)key_y = cpu_to_le32(tmp_y_l);
5665 
5666 		return true;
5667 	case KEY_OPT_MAC:
5668 		for (i = 0; i < ETH_ALEN; i++) {
5669 			calc_x(key_x[ETH_ALEN - 1 - i], p[offset + i],
5670 			       p[moffset + i]);
5671 			calc_y(key_y[ETH_ALEN - 1 - i], p[offset + i],
5672 			       p[moffset + i]);
5673 		}
5674 
5675 		return true;
5676 	case KEY_OPT_IP:
5677 		ip_offset = IPV4_INDEX * sizeof(u32);
5678 		calc_x(tmp_x_l, *(u32 *)(&p[offset + ip_offset]),
5679 		       *(u32 *)(&p[moffset + ip_offset]));
5680 		calc_y(tmp_y_l, *(u32 *)(&p[offset + ip_offset]),
5681 		       *(u32 *)(&p[moffset + ip_offset]));
5682 		*(__le32 *)key_x = cpu_to_le32(tmp_x_l);
5683 		*(__le32 *)key_y = cpu_to_le32(tmp_y_l);
5684 
5685 		return true;
5686 	default:
5687 		return false;
5688 	}
5689 }
5690 
hclge_get_port_number(enum HLCGE_PORT_TYPE port_type,u8 pf_id,u8 vf_id,u8 network_port_id)5691 static u32 hclge_get_port_number(enum HLCGE_PORT_TYPE port_type, u8 pf_id,
5692 				 u8 vf_id, u8 network_port_id)
5693 {
5694 	u32 port_number = 0;
5695 
5696 	if (port_type == HOST_PORT) {
5697 		hnae3_set_field(port_number, HCLGE_PF_ID_M, HCLGE_PF_ID_S,
5698 				pf_id);
5699 		hnae3_set_field(port_number, HCLGE_VF_ID_M, HCLGE_VF_ID_S,
5700 				vf_id);
5701 		hnae3_set_bit(port_number, HCLGE_PORT_TYPE_B, HOST_PORT);
5702 	} else {
5703 		hnae3_set_field(port_number, HCLGE_NETWORK_PORT_ID_M,
5704 				HCLGE_NETWORK_PORT_ID_S, network_port_id);
5705 		hnae3_set_bit(port_number, HCLGE_PORT_TYPE_B, NETWORK_PORT);
5706 	}
5707 
5708 	return port_number;
5709 }
5710 
hclge_fd_convert_meta_data(struct hclge_fd_key_cfg * key_cfg,__le32 * key_x,__le32 * key_y,struct hclge_fd_rule * rule)5711 static void hclge_fd_convert_meta_data(struct hclge_fd_key_cfg *key_cfg,
5712 				       __le32 *key_x, __le32 *key_y,
5713 				       struct hclge_fd_rule *rule)
5714 {
5715 	u32 tuple_bit, meta_data = 0, tmp_x, tmp_y, port_number;
5716 	u8 cur_pos = 0, tuple_size, shift_bits;
5717 	unsigned int i;
5718 
5719 	for (i = 0; i < MAX_META_DATA; i++) {
5720 		tuple_size = meta_data_key_info[i].key_length;
5721 		tuple_bit = key_cfg->meta_data_active & BIT(i);
5722 
5723 		switch (tuple_bit) {
5724 		case BIT(ROCE_TYPE):
5725 			hnae3_set_bit(meta_data, cur_pos, NIC_PACKET);
5726 			cur_pos += tuple_size;
5727 			break;
5728 		case BIT(DST_VPORT):
5729 			port_number = hclge_get_port_number(HOST_PORT, 0,
5730 							    rule->vf_id, 0);
5731 			hnae3_set_field(meta_data,
5732 					GENMASK(cur_pos + tuple_size, cur_pos),
5733 					cur_pos, port_number);
5734 			cur_pos += tuple_size;
5735 			break;
5736 		default:
5737 			break;
5738 		}
5739 	}
5740 
5741 	calc_x(tmp_x, meta_data, 0xFFFFFFFF);
5742 	calc_y(tmp_y, meta_data, 0xFFFFFFFF);
5743 	shift_bits = sizeof(meta_data) * 8 - cur_pos;
5744 
5745 	*key_x = cpu_to_le32(tmp_x << shift_bits);
5746 	*key_y = cpu_to_le32(tmp_y << shift_bits);
5747 }
5748 
5749 /* A complete key is combined with meta data key and tuple key.
5750  * Meta data key is stored at the MSB region, and tuple key is stored at
5751  * the LSB region, unused bits will be filled 0.
5752  */
hclge_config_key(struct hclge_dev * hdev,u8 stage,struct hclge_fd_rule * rule)5753 static int hclge_config_key(struct hclge_dev *hdev, u8 stage,
5754 			    struct hclge_fd_rule *rule)
5755 {
5756 	struct hclge_fd_key_cfg *key_cfg = &hdev->fd_cfg.key_cfg[stage];
5757 	u8 key_x[MAX_KEY_BYTES], key_y[MAX_KEY_BYTES];
5758 	u8 *cur_key_x, *cur_key_y;
5759 	u8 meta_data_region;
5760 	u8 tuple_size;
5761 	int ret;
5762 	u32 i;
5763 
5764 	memset(key_x, 0, sizeof(key_x));
5765 	memset(key_y, 0, sizeof(key_y));
5766 	cur_key_x = key_x;
5767 	cur_key_y = key_y;
5768 
5769 	for (i = 0; i < MAX_TUPLE; i++) {
5770 		bool tuple_valid;
5771 
5772 		tuple_size = tuple_key_info[i].key_length / 8;
5773 		if (!(key_cfg->tuple_active & BIT(i)))
5774 			continue;
5775 
5776 		tuple_valid = hclge_fd_convert_tuple(i, cur_key_x,
5777 						     cur_key_y, rule);
5778 		if (tuple_valid) {
5779 			cur_key_x += tuple_size;
5780 			cur_key_y += tuple_size;
5781 		}
5782 	}
5783 
5784 	meta_data_region = hdev->fd_cfg.max_key_length / 8 -
5785 			MAX_META_DATA_LENGTH / 8;
5786 
5787 	hclge_fd_convert_meta_data(key_cfg,
5788 				   (__le32 *)(key_x + meta_data_region),
5789 				   (__le32 *)(key_y + meta_data_region),
5790 				   rule);
5791 
5792 	ret = hclge_fd_tcam_config(hdev, stage, false, rule->location, key_y,
5793 				   true);
5794 	if (ret) {
5795 		dev_err(&hdev->pdev->dev,
5796 			"fd key_y config fail, loc=%u, ret=%d\n",
5797 			rule->queue_id, ret);
5798 		return ret;
5799 	}
5800 
5801 	ret = hclge_fd_tcam_config(hdev, stage, true, rule->location, key_x,
5802 				   true);
5803 	if (ret)
5804 		dev_err(&hdev->pdev->dev,
5805 			"fd key_x config fail, loc=%u, ret=%d\n",
5806 			rule->queue_id, ret);
5807 	return ret;
5808 }
5809 
hclge_config_action(struct hclge_dev * hdev,u8 stage,struct hclge_fd_rule * rule)5810 static int hclge_config_action(struct hclge_dev *hdev, u8 stage,
5811 			       struct hclge_fd_rule *rule)
5812 {
5813 	struct hclge_vport *vport = hdev->vport;
5814 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
5815 	struct hclge_fd_ad_data ad_data;
5816 
5817 	memset(&ad_data, 0, sizeof(struct hclge_fd_ad_data));
5818 	ad_data.ad_id = rule->location;
5819 
5820 	if (rule->action == HCLGE_FD_ACTION_DROP_PACKET) {
5821 		ad_data.drop_packet = true;
5822 	} else if (rule->action == HCLGE_FD_ACTION_SELECT_TC) {
5823 		ad_data.override_tc = true;
5824 		ad_data.queue_id =
5825 			kinfo->tc_info.tqp_offset[rule->cls_flower.tc];
5826 		ad_data.tc_size =
5827 			ilog2(kinfo->tc_info.tqp_count[rule->cls_flower.tc]);
5828 	} else {
5829 		ad_data.forward_to_direct_queue = true;
5830 		ad_data.queue_id = rule->queue_id;
5831 	}
5832 
5833 	if (hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_1]) {
5834 		ad_data.use_counter = true;
5835 		ad_data.counter_id = rule->vf_id %
5836 				     hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_1];
5837 	} else {
5838 		ad_data.use_counter = false;
5839 		ad_data.counter_id = 0;
5840 	}
5841 
5842 	ad_data.use_next_stage = false;
5843 	ad_data.next_input_key = 0;
5844 
5845 	ad_data.write_rule_id_to_bd = true;
5846 	ad_data.rule_id = rule->location;
5847 
5848 	return hclge_fd_ad_config(hdev, stage, ad_data.ad_id, &ad_data);
5849 }
5850 
hclge_fd_check_tcpip4_tuple(struct ethtool_tcpip4_spec * spec,u32 * unused_tuple)5851 static int hclge_fd_check_tcpip4_tuple(struct ethtool_tcpip4_spec *spec,
5852 				       u32 *unused_tuple)
5853 {
5854 	if (!spec || !unused_tuple)
5855 		return -EINVAL;
5856 
5857 	*unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
5858 
5859 	if (!spec->ip4src)
5860 		*unused_tuple |= BIT(INNER_SRC_IP);
5861 
5862 	if (!spec->ip4dst)
5863 		*unused_tuple |= BIT(INNER_DST_IP);
5864 
5865 	if (!spec->psrc)
5866 		*unused_tuple |= BIT(INNER_SRC_PORT);
5867 
5868 	if (!spec->pdst)
5869 		*unused_tuple |= BIT(INNER_DST_PORT);
5870 
5871 	if (!spec->tos)
5872 		*unused_tuple |= BIT(INNER_IP_TOS);
5873 
5874 	return 0;
5875 }
5876 
hclge_fd_check_ip4_tuple(struct ethtool_usrip4_spec * spec,u32 * unused_tuple)5877 static int hclge_fd_check_ip4_tuple(struct ethtool_usrip4_spec *spec,
5878 				    u32 *unused_tuple)
5879 {
5880 	if (!spec || !unused_tuple)
5881 		return -EINVAL;
5882 
5883 	*unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
5884 		BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
5885 
5886 	if (!spec->ip4src)
5887 		*unused_tuple |= BIT(INNER_SRC_IP);
5888 
5889 	if (!spec->ip4dst)
5890 		*unused_tuple |= BIT(INNER_DST_IP);
5891 
5892 	if (!spec->tos)
5893 		*unused_tuple |= BIT(INNER_IP_TOS);
5894 
5895 	if (!spec->proto)
5896 		*unused_tuple |= BIT(INNER_IP_PROTO);
5897 
5898 	if (spec->l4_4_bytes)
5899 		return -EOPNOTSUPP;
5900 
5901 	if (spec->ip_ver != ETH_RX_NFC_IP4)
5902 		return -EOPNOTSUPP;
5903 
5904 	return 0;
5905 }
5906 
hclge_fd_check_tcpip6_tuple(struct ethtool_tcpip6_spec * spec,u32 * unused_tuple)5907 static int hclge_fd_check_tcpip6_tuple(struct ethtool_tcpip6_spec *spec,
5908 				       u32 *unused_tuple)
5909 {
5910 	if (!spec || !unused_tuple)
5911 		return -EINVAL;
5912 
5913 	*unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
5914 
5915 	/* check whether src/dst ip address used */
5916 	if (ipv6_addr_any((struct in6_addr *)spec->ip6src))
5917 		*unused_tuple |= BIT(INNER_SRC_IP);
5918 
5919 	if (ipv6_addr_any((struct in6_addr *)spec->ip6dst))
5920 		*unused_tuple |= BIT(INNER_DST_IP);
5921 
5922 	if (!spec->psrc)
5923 		*unused_tuple |= BIT(INNER_SRC_PORT);
5924 
5925 	if (!spec->pdst)
5926 		*unused_tuple |= BIT(INNER_DST_PORT);
5927 
5928 	if (!spec->tclass)
5929 		*unused_tuple |= BIT(INNER_IP_TOS);
5930 
5931 	return 0;
5932 }
5933 
hclge_fd_check_ip6_tuple(struct ethtool_usrip6_spec * spec,u32 * unused_tuple)5934 static int hclge_fd_check_ip6_tuple(struct ethtool_usrip6_spec *spec,
5935 				    u32 *unused_tuple)
5936 {
5937 	if (!spec || !unused_tuple)
5938 		return -EINVAL;
5939 
5940 	*unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
5941 			BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
5942 
5943 	/* check whether src/dst ip address used */
5944 	if (ipv6_addr_any((struct in6_addr *)spec->ip6src))
5945 		*unused_tuple |= BIT(INNER_SRC_IP);
5946 
5947 	if (ipv6_addr_any((struct in6_addr *)spec->ip6dst))
5948 		*unused_tuple |= BIT(INNER_DST_IP);
5949 
5950 	if (!spec->l4_proto)
5951 		*unused_tuple |= BIT(INNER_IP_PROTO);
5952 
5953 	if (!spec->tclass)
5954 		*unused_tuple |= BIT(INNER_IP_TOS);
5955 
5956 	if (spec->l4_4_bytes)
5957 		return -EOPNOTSUPP;
5958 
5959 	return 0;
5960 }
5961 
hclge_fd_check_ether_tuple(struct ethhdr * spec,u32 * unused_tuple)5962 static int hclge_fd_check_ether_tuple(struct ethhdr *spec, u32 *unused_tuple)
5963 {
5964 	if (!spec || !unused_tuple)
5965 		return -EINVAL;
5966 
5967 	*unused_tuple |= BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
5968 		BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT) |
5969 		BIT(INNER_IP_TOS) | BIT(INNER_IP_PROTO);
5970 
5971 	if (is_zero_ether_addr(spec->h_source))
5972 		*unused_tuple |= BIT(INNER_SRC_MAC);
5973 
5974 	if (is_zero_ether_addr(spec->h_dest))
5975 		*unused_tuple |= BIT(INNER_DST_MAC);
5976 
5977 	if (!spec->h_proto)
5978 		*unused_tuple |= BIT(INNER_ETH_TYPE);
5979 
5980 	return 0;
5981 }
5982 
hclge_fd_check_ext_tuple(struct hclge_dev * hdev,struct ethtool_rx_flow_spec * fs,u32 * unused_tuple)5983 static int hclge_fd_check_ext_tuple(struct hclge_dev *hdev,
5984 				    struct ethtool_rx_flow_spec *fs,
5985 				    u32 *unused_tuple)
5986 {
5987 	if (fs->flow_type & FLOW_EXT) {
5988 		if (fs->h_ext.vlan_etype) {
5989 			dev_err(&hdev->pdev->dev, "vlan-etype is not supported!\n");
5990 			return -EOPNOTSUPP;
5991 		}
5992 
5993 		if (!fs->h_ext.vlan_tci)
5994 			*unused_tuple |= BIT(INNER_VLAN_TAG_FST);
5995 
5996 		if (fs->m_ext.vlan_tci &&
5997 		    be16_to_cpu(fs->h_ext.vlan_tci) >= VLAN_N_VID) {
5998 			dev_err(&hdev->pdev->dev,
5999 				"failed to config vlan_tci, invalid vlan_tci: %u, max is %d.\n",
6000 				ntohs(fs->h_ext.vlan_tci), VLAN_N_VID - 1);
6001 			return -EINVAL;
6002 		}
6003 	} else {
6004 		*unused_tuple |= BIT(INNER_VLAN_TAG_FST);
6005 	}
6006 
6007 	if (fs->flow_type & FLOW_MAC_EXT) {
6008 		if (hdev->fd_cfg.fd_mode !=
6009 		    HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
6010 			dev_err(&hdev->pdev->dev,
6011 				"FLOW_MAC_EXT is not supported in current fd mode!\n");
6012 			return -EOPNOTSUPP;
6013 		}
6014 
6015 		if (is_zero_ether_addr(fs->h_ext.h_dest))
6016 			*unused_tuple |= BIT(INNER_DST_MAC);
6017 		else
6018 			*unused_tuple &= ~BIT(INNER_DST_MAC);
6019 	}
6020 
6021 	return 0;
6022 }
6023 
hclge_fd_get_user_def_layer(u32 flow_type,u32 * unused_tuple,struct hclge_fd_user_def_info * info)6024 static int hclge_fd_get_user_def_layer(u32 flow_type, u32 *unused_tuple,
6025 				       struct hclge_fd_user_def_info *info)
6026 {
6027 	switch (flow_type) {
6028 	case ETHER_FLOW:
6029 		info->layer = HCLGE_FD_USER_DEF_L2;
6030 		*unused_tuple &= ~BIT(INNER_L2_RSV);
6031 		break;
6032 	case IP_USER_FLOW:
6033 	case IPV6_USER_FLOW:
6034 		info->layer = HCLGE_FD_USER_DEF_L3;
6035 		*unused_tuple &= ~BIT(INNER_L3_RSV);
6036 		break;
6037 	case TCP_V4_FLOW:
6038 	case UDP_V4_FLOW:
6039 	case TCP_V6_FLOW:
6040 	case UDP_V6_FLOW:
6041 		info->layer = HCLGE_FD_USER_DEF_L4;
6042 		*unused_tuple &= ~BIT(INNER_L4_RSV);
6043 		break;
6044 	default:
6045 		return -EOPNOTSUPP;
6046 	}
6047 
6048 	return 0;
6049 }
6050 
hclge_fd_is_user_def_all_masked(struct ethtool_rx_flow_spec * fs)6051 static bool hclge_fd_is_user_def_all_masked(struct ethtool_rx_flow_spec *fs)
6052 {
6053 	return be32_to_cpu(fs->m_ext.data[1] | fs->m_ext.data[0]) == 0;
6054 }
6055 
hclge_fd_parse_user_def_field(struct hclge_dev * hdev,struct ethtool_rx_flow_spec * fs,u32 * unused_tuple,struct hclge_fd_user_def_info * info)6056 static int hclge_fd_parse_user_def_field(struct hclge_dev *hdev,
6057 					 struct ethtool_rx_flow_spec *fs,
6058 					 u32 *unused_tuple,
6059 					 struct hclge_fd_user_def_info *info)
6060 {
6061 	u32 tuple_active = hdev->fd_cfg.key_cfg[HCLGE_FD_STAGE_1].tuple_active;
6062 	u32 flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT);
6063 	u16 data, offset, data_mask, offset_mask;
6064 	int ret;
6065 
6066 	info->layer = HCLGE_FD_USER_DEF_NONE;
6067 	*unused_tuple |= HCLGE_FD_TUPLE_USER_DEF_TUPLES;
6068 
6069 	if (!(fs->flow_type & FLOW_EXT) || hclge_fd_is_user_def_all_masked(fs))
6070 		return 0;
6071 
6072 	/* user-def data from ethtool is 64 bit value, the bit0~15 is used
6073 	 * for data, and bit32~47 is used for offset.
6074 	 */
6075 	data = be32_to_cpu(fs->h_ext.data[1]) & HCLGE_FD_USER_DEF_DATA;
6076 	data_mask = be32_to_cpu(fs->m_ext.data[1]) & HCLGE_FD_USER_DEF_DATA;
6077 	offset = be32_to_cpu(fs->h_ext.data[0]) & HCLGE_FD_USER_DEF_OFFSET;
6078 	offset_mask = be32_to_cpu(fs->m_ext.data[0]) & HCLGE_FD_USER_DEF_OFFSET;
6079 
6080 	if (!(tuple_active & HCLGE_FD_TUPLE_USER_DEF_TUPLES)) {
6081 		dev_err(&hdev->pdev->dev, "user-def bytes are not supported\n");
6082 		return -EOPNOTSUPP;
6083 	}
6084 
6085 	if (offset > HCLGE_FD_MAX_USER_DEF_OFFSET) {
6086 		dev_err(&hdev->pdev->dev,
6087 			"user-def offset[%u] should be no more than %u\n",
6088 			offset, HCLGE_FD_MAX_USER_DEF_OFFSET);
6089 		return -EINVAL;
6090 	}
6091 
6092 	if (offset_mask != HCLGE_FD_USER_DEF_OFFSET_UNMASK) {
6093 		dev_err(&hdev->pdev->dev, "user-def offset can't be masked\n");
6094 		return -EINVAL;
6095 	}
6096 
6097 	ret = hclge_fd_get_user_def_layer(flow_type, unused_tuple, info);
6098 	if (ret) {
6099 		dev_err(&hdev->pdev->dev,
6100 			"unsupported flow type for user-def bytes, ret = %d\n",
6101 			ret);
6102 		return ret;
6103 	}
6104 
6105 	info->data = data;
6106 	info->data_mask = data_mask;
6107 	info->offset = offset;
6108 
6109 	return 0;
6110 }
6111 
hclge_fd_check_spec(struct hclge_dev * hdev,struct ethtool_rx_flow_spec * fs,u32 * unused_tuple,struct hclge_fd_user_def_info * info)6112 static int hclge_fd_check_spec(struct hclge_dev *hdev,
6113 			       struct ethtool_rx_flow_spec *fs,
6114 			       u32 *unused_tuple,
6115 			       struct hclge_fd_user_def_info *info)
6116 {
6117 	u32 flow_type;
6118 	int ret;
6119 
6120 	if (fs->location >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]) {
6121 		dev_err(&hdev->pdev->dev,
6122 			"failed to config fd rules, invalid rule location: %u, max is %u\n.",
6123 			fs->location,
6124 			hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1] - 1);
6125 		return -EINVAL;
6126 	}
6127 
6128 	ret = hclge_fd_parse_user_def_field(hdev, fs, unused_tuple, info);
6129 	if (ret)
6130 		return ret;
6131 
6132 	flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT);
6133 	switch (flow_type) {
6134 	case SCTP_V4_FLOW:
6135 	case TCP_V4_FLOW:
6136 	case UDP_V4_FLOW:
6137 		ret = hclge_fd_check_tcpip4_tuple(&fs->h_u.tcp_ip4_spec,
6138 						  unused_tuple);
6139 		break;
6140 	case IP_USER_FLOW:
6141 		ret = hclge_fd_check_ip4_tuple(&fs->h_u.usr_ip4_spec,
6142 					       unused_tuple);
6143 		break;
6144 	case SCTP_V6_FLOW:
6145 	case TCP_V6_FLOW:
6146 	case UDP_V6_FLOW:
6147 		ret = hclge_fd_check_tcpip6_tuple(&fs->h_u.tcp_ip6_spec,
6148 						  unused_tuple);
6149 		break;
6150 	case IPV6_USER_FLOW:
6151 		ret = hclge_fd_check_ip6_tuple(&fs->h_u.usr_ip6_spec,
6152 					       unused_tuple);
6153 		break;
6154 	case ETHER_FLOW:
6155 		if (hdev->fd_cfg.fd_mode !=
6156 			HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
6157 			dev_err(&hdev->pdev->dev,
6158 				"ETHER_FLOW is not supported in current fd mode!\n");
6159 			return -EOPNOTSUPP;
6160 		}
6161 
6162 		ret = hclge_fd_check_ether_tuple(&fs->h_u.ether_spec,
6163 						 unused_tuple);
6164 		break;
6165 	default:
6166 		dev_err(&hdev->pdev->dev,
6167 			"unsupported protocol type, protocol type = %#x\n",
6168 			flow_type);
6169 		return -EOPNOTSUPP;
6170 	}
6171 
6172 	if (ret) {
6173 		dev_err(&hdev->pdev->dev,
6174 			"failed to check flow union tuple, ret = %d\n",
6175 			ret);
6176 		return ret;
6177 	}
6178 
6179 	return hclge_fd_check_ext_tuple(hdev, fs, unused_tuple);
6180 }
6181 
hclge_fd_get_tcpip4_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule,u8 ip_proto)6182 static void hclge_fd_get_tcpip4_tuple(struct ethtool_rx_flow_spec *fs,
6183 				      struct hclge_fd_rule *rule, u8 ip_proto)
6184 {
6185 	rule->tuples.src_ip[IPV4_INDEX] =
6186 			be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4src);
6187 	rule->tuples_mask.src_ip[IPV4_INDEX] =
6188 			be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4src);
6189 
6190 	rule->tuples.dst_ip[IPV4_INDEX] =
6191 			be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4dst);
6192 	rule->tuples_mask.dst_ip[IPV4_INDEX] =
6193 			be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4dst);
6194 
6195 	rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.psrc);
6196 	rule->tuples_mask.src_port = be16_to_cpu(fs->m_u.tcp_ip4_spec.psrc);
6197 
6198 	rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.pdst);
6199 	rule->tuples_mask.dst_port = be16_to_cpu(fs->m_u.tcp_ip4_spec.pdst);
6200 
6201 	rule->tuples.ip_tos = fs->h_u.tcp_ip4_spec.tos;
6202 	rule->tuples_mask.ip_tos = fs->m_u.tcp_ip4_spec.tos;
6203 
6204 	rule->tuples.ether_proto = ETH_P_IP;
6205 	rule->tuples_mask.ether_proto = 0xFFFF;
6206 
6207 	rule->tuples.ip_proto = ip_proto;
6208 	rule->tuples_mask.ip_proto = 0xFF;
6209 }
6210 
hclge_fd_get_ip4_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6211 static void hclge_fd_get_ip4_tuple(struct ethtool_rx_flow_spec *fs,
6212 				   struct hclge_fd_rule *rule)
6213 {
6214 	rule->tuples.src_ip[IPV4_INDEX] =
6215 			be32_to_cpu(fs->h_u.usr_ip4_spec.ip4src);
6216 	rule->tuples_mask.src_ip[IPV4_INDEX] =
6217 			be32_to_cpu(fs->m_u.usr_ip4_spec.ip4src);
6218 
6219 	rule->tuples.dst_ip[IPV4_INDEX] =
6220 			be32_to_cpu(fs->h_u.usr_ip4_spec.ip4dst);
6221 	rule->tuples_mask.dst_ip[IPV4_INDEX] =
6222 			be32_to_cpu(fs->m_u.usr_ip4_spec.ip4dst);
6223 
6224 	rule->tuples.ip_tos = fs->h_u.usr_ip4_spec.tos;
6225 	rule->tuples_mask.ip_tos = fs->m_u.usr_ip4_spec.tos;
6226 
6227 	rule->tuples.ip_proto = fs->h_u.usr_ip4_spec.proto;
6228 	rule->tuples_mask.ip_proto = fs->m_u.usr_ip4_spec.proto;
6229 
6230 	rule->tuples.ether_proto = ETH_P_IP;
6231 	rule->tuples_mask.ether_proto = 0xFFFF;
6232 }
6233 
hclge_fd_get_tcpip6_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule,u8 ip_proto)6234 static void hclge_fd_get_tcpip6_tuple(struct ethtool_rx_flow_spec *fs,
6235 				      struct hclge_fd_rule *rule, u8 ip_proto)
6236 {
6237 	be32_to_cpu_array(rule->tuples.src_ip, fs->h_u.tcp_ip6_spec.ip6src,
6238 			  IPV6_SIZE);
6239 	be32_to_cpu_array(rule->tuples_mask.src_ip, fs->m_u.tcp_ip6_spec.ip6src,
6240 			  IPV6_SIZE);
6241 
6242 	be32_to_cpu_array(rule->tuples.dst_ip, fs->h_u.tcp_ip6_spec.ip6dst,
6243 			  IPV6_SIZE);
6244 	be32_to_cpu_array(rule->tuples_mask.dst_ip, fs->m_u.tcp_ip6_spec.ip6dst,
6245 			  IPV6_SIZE);
6246 
6247 	rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.psrc);
6248 	rule->tuples_mask.src_port = be16_to_cpu(fs->m_u.tcp_ip6_spec.psrc);
6249 
6250 	rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.pdst);
6251 	rule->tuples_mask.dst_port = be16_to_cpu(fs->m_u.tcp_ip6_spec.pdst);
6252 
6253 	rule->tuples.ether_proto = ETH_P_IPV6;
6254 	rule->tuples_mask.ether_proto = 0xFFFF;
6255 
6256 	rule->tuples.ip_tos = fs->h_u.tcp_ip6_spec.tclass;
6257 	rule->tuples_mask.ip_tos = fs->m_u.tcp_ip6_spec.tclass;
6258 
6259 	rule->tuples.ip_proto = ip_proto;
6260 	rule->tuples_mask.ip_proto = 0xFF;
6261 }
6262 
hclge_fd_get_ip6_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6263 static void hclge_fd_get_ip6_tuple(struct ethtool_rx_flow_spec *fs,
6264 				   struct hclge_fd_rule *rule)
6265 {
6266 	be32_to_cpu_array(rule->tuples.src_ip, fs->h_u.usr_ip6_spec.ip6src,
6267 			  IPV6_SIZE);
6268 	be32_to_cpu_array(rule->tuples_mask.src_ip, fs->m_u.usr_ip6_spec.ip6src,
6269 			  IPV6_SIZE);
6270 
6271 	be32_to_cpu_array(rule->tuples.dst_ip, fs->h_u.usr_ip6_spec.ip6dst,
6272 			  IPV6_SIZE);
6273 	be32_to_cpu_array(rule->tuples_mask.dst_ip, fs->m_u.usr_ip6_spec.ip6dst,
6274 			  IPV6_SIZE);
6275 
6276 	rule->tuples.ip_proto = fs->h_u.usr_ip6_spec.l4_proto;
6277 	rule->tuples_mask.ip_proto = fs->m_u.usr_ip6_spec.l4_proto;
6278 
6279 	rule->tuples.ip_tos = fs->h_u.tcp_ip6_spec.tclass;
6280 	rule->tuples_mask.ip_tos = fs->m_u.tcp_ip6_spec.tclass;
6281 
6282 	rule->tuples.ether_proto = ETH_P_IPV6;
6283 	rule->tuples_mask.ether_proto = 0xFFFF;
6284 }
6285 
hclge_fd_get_ether_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6286 static void hclge_fd_get_ether_tuple(struct ethtool_rx_flow_spec *fs,
6287 				     struct hclge_fd_rule *rule)
6288 {
6289 	ether_addr_copy(rule->tuples.src_mac, fs->h_u.ether_spec.h_source);
6290 	ether_addr_copy(rule->tuples_mask.src_mac, fs->m_u.ether_spec.h_source);
6291 
6292 	ether_addr_copy(rule->tuples.dst_mac, fs->h_u.ether_spec.h_dest);
6293 	ether_addr_copy(rule->tuples_mask.dst_mac, fs->m_u.ether_spec.h_dest);
6294 
6295 	rule->tuples.ether_proto = be16_to_cpu(fs->h_u.ether_spec.h_proto);
6296 	rule->tuples_mask.ether_proto = be16_to_cpu(fs->m_u.ether_spec.h_proto);
6297 }
6298 
hclge_fd_get_user_def_tuple(struct hclge_fd_user_def_info * info,struct hclge_fd_rule * rule)6299 static void hclge_fd_get_user_def_tuple(struct hclge_fd_user_def_info *info,
6300 					struct hclge_fd_rule *rule)
6301 {
6302 	switch (info->layer) {
6303 	case HCLGE_FD_USER_DEF_L2:
6304 		rule->tuples.l2_user_def = info->data;
6305 		rule->tuples_mask.l2_user_def = info->data_mask;
6306 		break;
6307 	case HCLGE_FD_USER_DEF_L3:
6308 		rule->tuples.l3_user_def = info->data;
6309 		rule->tuples_mask.l3_user_def = info->data_mask;
6310 		break;
6311 	case HCLGE_FD_USER_DEF_L4:
6312 		rule->tuples.l4_user_def = (u32)info->data << 16;
6313 		rule->tuples_mask.l4_user_def = (u32)info->data_mask << 16;
6314 		break;
6315 	default:
6316 		break;
6317 	}
6318 
6319 	rule->ep.user_def = *info;
6320 }
6321 
hclge_fd_get_tuple(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule,struct hclge_fd_user_def_info * info)6322 static int hclge_fd_get_tuple(struct ethtool_rx_flow_spec *fs,
6323 			      struct hclge_fd_rule *rule,
6324 			      struct hclge_fd_user_def_info *info)
6325 {
6326 	u32 flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT);
6327 
6328 	switch (flow_type) {
6329 	case SCTP_V4_FLOW:
6330 		hclge_fd_get_tcpip4_tuple(fs, rule, IPPROTO_SCTP);
6331 		break;
6332 	case TCP_V4_FLOW:
6333 		hclge_fd_get_tcpip4_tuple(fs, rule, IPPROTO_TCP);
6334 		break;
6335 	case UDP_V4_FLOW:
6336 		hclge_fd_get_tcpip4_tuple(fs, rule, IPPROTO_UDP);
6337 		break;
6338 	case IP_USER_FLOW:
6339 		hclge_fd_get_ip4_tuple(fs, rule);
6340 		break;
6341 	case SCTP_V6_FLOW:
6342 		hclge_fd_get_tcpip6_tuple(fs, rule, IPPROTO_SCTP);
6343 		break;
6344 	case TCP_V6_FLOW:
6345 		hclge_fd_get_tcpip6_tuple(fs, rule, IPPROTO_TCP);
6346 		break;
6347 	case UDP_V6_FLOW:
6348 		hclge_fd_get_tcpip6_tuple(fs, rule, IPPROTO_UDP);
6349 		break;
6350 	case IPV6_USER_FLOW:
6351 		hclge_fd_get_ip6_tuple(fs, rule);
6352 		break;
6353 	case ETHER_FLOW:
6354 		hclge_fd_get_ether_tuple(fs, rule);
6355 		break;
6356 	default:
6357 		return -EOPNOTSUPP;
6358 	}
6359 
6360 	if (fs->flow_type & FLOW_EXT) {
6361 		rule->tuples.vlan_tag1 = be16_to_cpu(fs->h_ext.vlan_tci);
6362 		rule->tuples_mask.vlan_tag1 = be16_to_cpu(fs->m_ext.vlan_tci);
6363 		hclge_fd_get_user_def_tuple(info, rule);
6364 	}
6365 
6366 	if (fs->flow_type & FLOW_MAC_EXT) {
6367 		ether_addr_copy(rule->tuples.dst_mac, fs->h_ext.h_dest);
6368 		ether_addr_copy(rule->tuples_mask.dst_mac, fs->m_ext.h_dest);
6369 	}
6370 
6371 	return 0;
6372 }
6373 
hclge_fd_config_rule(struct hclge_dev * hdev,struct hclge_fd_rule * rule)6374 static int hclge_fd_config_rule(struct hclge_dev *hdev,
6375 				struct hclge_fd_rule *rule)
6376 {
6377 	int ret;
6378 
6379 	ret = hclge_config_action(hdev, HCLGE_FD_STAGE_1, rule);
6380 	if (ret)
6381 		return ret;
6382 
6383 	return hclge_config_key(hdev, HCLGE_FD_STAGE_1, rule);
6384 }
6385 
hclge_add_fd_entry_common(struct hclge_dev * hdev,struct hclge_fd_rule * rule)6386 static int hclge_add_fd_entry_common(struct hclge_dev *hdev,
6387 				     struct hclge_fd_rule *rule)
6388 {
6389 	int ret;
6390 
6391 	spin_lock_bh(&hdev->fd_rule_lock);
6392 
6393 	if (hdev->fd_active_type != rule->rule_type &&
6394 	    (hdev->fd_active_type == HCLGE_FD_TC_FLOWER_ACTIVE ||
6395 	     hdev->fd_active_type == HCLGE_FD_EP_ACTIVE)) {
6396 		dev_err(&hdev->pdev->dev,
6397 			"mode conflict(new type %d, active type %d), please delete existent rules first\n",
6398 			rule->rule_type, hdev->fd_active_type);
6399 		spin_unlock_bh(&hdev->fd_rule_lock);
6400 		return -EINVAL;
6401 	}
6402 
6403 	ret = hclge_fd_check_user_def_refcnt(hdev, rule);
6404 	if (ret)
6405 		goto out;
6406 
6407 	ret = hclge_clear_arfs_rules(hdev);
6408 	if (ret)
6409 		goto out;
6410 
6411 	ret = hclge_fd_config_rule(hdev, rule);
6412 	if (ret)
6413 		goto out;
6414 
6415 	rule->state = HCLGE_FD_ACTIVE;
6416 	hdev->fd_active_type = rule->rule_type;
6417 	hclge_update_fd_list(hdev, rule->state, rule->location, rule);
6418 
6419 out:
6420 	spin_unlock_bh(&hdev->fd_rule_lock);
6421 	return ret;
6422 }
6423 
hclge_is_cls_flower_active(struct hnae3_handle * handle)6424 static bool hclge_is_cls_flower_active(struct hnae3_handle *handle)
6425 {
6426 	struct hclge_vport *vport = hclge_get_vport(handle);
6427 	struct hclge_dev *hdev = vport->back;
6428 
6429 	return hdev->fd_active_type == HCLGE_FD_TC_FLOWER_ACTIVE;
6430 }
6431 
hclge_fd_parse_ring_cookie(struct hclge_dev * hdev,u64 ring_cookie,u16 * vport_id,u8 * action,u16 * queue_id)6432 static int hclge_fd_parse_ring_cookie(struct hclge_dev *hdev, u64 ring_cookie,
6433 				      u16 *vport_id, u8 *action, u16 *queue_id)
6434 {
6435 	struct hclge_vport *vport = hdev->vport;
6436 
6437 	if (ring_cookie == RX_CLS_FLOW_DISC) {
6438 		*action = HCLGE_FD_ACTION_DROP_PACKET;
6439 	} else {
6440 		u32 ring = ethtool_get_flow_spec_ring(ring_cookie);
6441 		u8 vf = ethtool_get_flow_spec_ring_vf(ring_cookie);
6442 		u16 tqps;
6443 
6444 		/* To keep consistent with user's configuration, minus 1 when
6445 		 * printing 'vf', because vf id from ethtool is added 1 for vf.
6446 		 */
6447 		if (vf > hdev->num_req_vfs) {
6448 			dev_err(&hdev->pdev->dev,
6449 				"Error: vf id (%u) should be less than %u\n",
6450 				vf - 1U, hdev->num_req_vfs);
6451 			return -EINVAL;
6452 		}
6453 
6454 		*vport_id = vf ? hdev->vport[vf].vport_id : vport->vport_id;
6455 		tqps = hdev->vport[vf].nic.kinfo.num_tqps;
6456 
6457 		if (ring >= tqps) {
6458 			dev_err(&hdev->pdev->dev,
6459 				"Error: queue id (%u) > max tqp num (%u)\n",
6460 				ring, tqps - 1U);
6461 			return -EINVAL;
6462 		}
6463 
6464 		*action = HCLGE_FD_ACTION_SELECT_QUEUE;
6465 		*queue_id = ring;
6466 	}
6467 
6468 	return 0;
6469 }
6470 
hclge_add_fd_entry(struct hnae3_handle * handle,struct ethtool_rxnfc * cmd)6471 static int hclge_add_fd_entry(struct hnae3_handle *handle,
6472 			      struct ethtool_rxnfc *cmd)
6473 {
6474 	struct hclge_vport *vport = hclge_get_vport(handle);
6475 	struct hclge_dev *hdev = vport->back;
6476 	struct hclge_fd_user_def_info info;
6477 	u16 dst_vport_id = 0, q_index = 0;
6478 	struct ethtool_rx_flow_spec *fs;
6479 	struct hclge_fd_rule *rule;
6480 	u32 unused = 0;
6481 	u8 action;
6482 	int ret;
6483 
6484 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev)) {
6485 		dev_err(&hdev->pdev->dev,
6486 			"flow table director is not supported\n");
6487 		return -EOPNOTSUPP;
6488 	}
6489 
6490 	if (!hdev->fd_en) {
6491 		dev_err(&hdev->pdev->dev,
6492 			"please enable flow director first\n");
6493 		return -EOPNOTSUPP;
6494 	}
6495 
6496 	fs = (struct ethtool_rx_flow_spec *)&cmd->fs;
6497 
6498 	ret = hclge_fd_check_spec(hdev, fs, &unused, &info);
6499 	if (ret)
6500 		return ret;
6501 
6502 	ret = hclge_fd_parse_ring_cookie(hdev, fs->ring_cookie, &dst_vport_id,
6503 					 &action, &q_index);
6504 	if (ret)
6505 		return ret;
6506 
6507 	rule = kzalloc(sizeof(*rule), GFP_KERNEL);
6508 	if (!rule)
6509 		return -ENOMEM;
6510 
6511 	ret = hclge_fd_get_tuple(fs, rule, &info);
6512 	if (ret) {
6513 		kfree(rule);
6514 		return ret;
6515 	}
6516 
6517 	rule->flow_type = fs->flow_type;
6518 	rule->location = fs->location;
6519 	rule->unused_tuple = unused;
6520 	rule->vf_id = dst_vport_id;
6521 	rule->queue_id = q_index;
6522 	rule->action = action;
6523 	rule->rule_type = HCLGE_FD_EP_ACTIVE;
6524 
6525 	ret = hclge_add_fd_entry_common(hdev, rule);
6526 	if (ret)
6527 		kfree(rule);
6528 
6529 	return ret;
6530 }
6531 
hclge_del_fd_entry(struct hnae3_handle * handle,struct ethtool_rxnfc * cmd)6532 static int hclge_del_fd_entry(struct hnae3_handle *handle,
6533 			      struct ethtool_rxnfc *cmd)
6534 {
6535 	struct hclge_vport *vport = hclge_get_vport(handle);
6536 	struct hclge_dev *hdev = vport->back;
6537 	struct ethtool_rx_flow_spec *fs;
6538 	int ret;
6539 
6540 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
6541 		return -EOPNOTSUPP;
6542 
6543 	fs = (struct ethtool_rx_flow_spec *)&cmd->fs;
6544 
6545 	if (fs->location >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1])
6546 		return -EINVAL;
6547 
6548 	spin_lock_bh(&hdev->fd_rule_lock);
6549 	if (hdev->fd_active_type == HCLGE_FD_TC_FLOWER_ACTIVE ||
6550 	    !test_bit(fs->location, hdev->fd_bmap)) {
6551 		dev_err(&hdev->pdev->dev,
6552 			"Delete fail, rule %u is inexistent\n", fs->location);
6553 		spin_unlock_bh(&hdev->fd_rule_lock);
6554 		return -ENOENT;
6555 	}
6556 
6557 	ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true, fs->location,
6558 				   NULL, false);
6559 	if (ret)
6560 		goto out;
6561 
6562 	hclge_update_fd_list(hdev, HCLGE_FD_DELETED, fs->location, NULL);
6563 
6564 out:
6565 	spin_unlock_bh(&hdev->fd_rule_lock);
6566 	return ret;
6567 }
6568 
hclge_clear_fd_rules_in_list(struct hclge_dev * hdev,bool clear_list)6569 static void hclge_clear_fd_rules_in_list(struct hclge_dev *hdev,
6570 					 bool clear_list)
6571 {
6572 	struct hclge_fd_rule *rule;
6573 	struct hlist_node *node;
6574 	u16 location;
6575 
6576 	spin_lock_bh(&hdev->fd_rule_lock);
6577 
6578 	for_each_set_bit(location, hdev->fd_bmap,
6579 			 hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1])
6580 		hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true, location,
6581 				     NULL, false);
6582 
6583 	if (clear_list) {
6584 		hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list,
6585 					  rule_node) {
6586 			hlist_del(&rule->rule_node);
6587 			kfree(rule);
6588 		}
6589 		hdev->fd_active_type = HCLGE_FD_RULE_NONE;
6590 		hdev->hclge_fd_rule_num = 0;
6591 		bitmap_zero(hdev->fd_bmap,
6592 			    hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]);
6593 	}
6594 
6595 	spin_unlock_bh(&hdev->fd_rule_lock);
6596 }
6597 
hclge_del_all_fd_entries(struct hclge_dev * hdev)6598 static void hclge_del_all_fd_entries(struct hclge_dev *hdev)
6599 {
6600 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
6601 		return;
6602 
6603 	hclge_clear_fd_rules_in_list(hdev, true);
6604 	hclge_fd_disable_user_def(hdev);
6605 }
6606 
hclge_restore_fd_entries(struct hnae3_handle * handle)6607 static int hclge_restore_fd_entries(struct hnae3_handle *handle)
6608 {
6609 	struct hclge_vport *vport = hclge_get_vport(handle);
6610 	struct hclge_dev *hdev = vport->back;
6611 	struct hclge_fd_rule *rule;
6612 	struct hlist_node *node;
6613 
6614 	/* Return ok here, because reset error handling will check this
6615 	 * return value. If error is returned here, the reset process will
6616 	 * fail.
6617 	 */
6618 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
6619 		return 0;
6620 
6621 	/* if fd is disabled, should not restore it when reset */
6622 	if (!hdev->fd_en)
6623 		return 0;
6624 
6625 	spin_lock_bh(&hdev->fd_rule_lock);
6626 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
6627 		if (rule->state == HCLGE_FD_ACTIVE)
6628 			rule->state = HCLGE_FD_TO_ADD;
6629 	}
6630 	spin_unlock_bh(&hdev->fd_rule_lock);
6631 	set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
6632 
6633 	return 0;
6634 }
6635 
hclge_get_fd_rule_cnt(struct hnae3_handle * handle,struct ethtool_rxnfc * cmd)6636 static int hclge_get_fd_rule_cnt(struct hnae3_handle *handle,
6637 				 struct ethtool_rxnfc *cmd)
6638 {
6639 	struct hclge_vport *vport = hclge_get_vport(handle);
6640 	struct hclge_dev *hdev = vport->back;
6641 
6642 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev) || hclge_is_cls_flower_active(handle))
6643 		return -EOPNOTSUPP;
6644 
6645 	cmd->rule_cnt = hdev->hclge_fd_rule_num;
6646 	cmd->data = hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1];
6647 
6648 	return 0;
6649 }
6650 
hclge_fd_get_tcpip4_info(struct hclge_fd_rule * rule,struct ethtool_tcpip4_spec * spec,struct ethtool_tcpip4_spec * spec_mask)6651 static void hclge_fd_get_tcpip4_info(struct hclge_fd_rule *rule,
6652 				     struct ethtool_tcpip4_spec *spec,
6653 				     struct ethtool_tcpip4_spec *spec_mask)
6654 {
6655 	spec->ip4src = cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
6656 	spec_mask->ip4src = rule->unused_tuple & BIT(INNER_SRC_IP) ?
6657 			0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
6658 
6659 	spec->ip4dst = cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
6660 	spec_mask->ip4dst = rule->unused_tuple & BIT(INNER_DST_IP) ?
6661 			0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
6662 
6663 	spec->psrc = cpu_to_be16(rule->tuples.src_port);
6664 	spec_mask->psrc = rule->unused_tuple & BIT(INNER_SRC_PORT) ?
6665 			0 : cpu_to_be16(rule->tuples_mask.src_port);
6666 
6667 	spec->pdst = cpu_to_be16(rule->tuples.dst_port);
6668 	spec_mask->pdst = rule->unused_tuple & BIT(INNER_DST_PORT) ?
6669 			0 : cpu_to_be16(rule->tuples_mask.dst_port);
6670 
6671 	spec->tos = rule->tuples.ip_tos;
6672 	spec_mask->tos = rule->unused_tuple & BIT(INNER_IP_TOS) ?
6673 			0 : rule->tuples_mask.ip_tos;
6674 }
6675 
hclge_fd_get_ip4_info(struct hclge_fd_rule * rule,struct ethtool_usrip4_spec * spec,struct ethtool_usrip4_spec * spec_mask)6676 static void hclge_fd_get_ip4_info(struct hclge_fd_rule *rule,
6677 				  struct ethtool_usrip4_spec *spec,
6678 				  struct ethtool_usrip4_spec *spec_mask)
6679 {
6680 	spec->ip4src = cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
6681 	spec_mask->ip4src = rule->unused_tuple & BIT(INNER_SRC_IP) ?
6682 			0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
6683 
6684 	spec->ip4dst = cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
6685 	spec_mask->ip4dst = rule->unused_tuple & BIT(INNER_DST_IP) ?
6686 			0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
6687 
6688 	spec->tos = rule->tuples.ip_tos;
6689 	spec_mask->tos = rule->unused_tuple & BIT(INNER_IP_TOS) ?
6690 			0 : rule->tuples_mask.ip_tos;
6691 
6692 	spec->proto = rule->tuples.ip_proto;
6693 	spec_mask->proto = rule->unused_tuple & BIT(INNER_IP_PROTO) ?
6694 			0 : rule->tuples_mask.ip_proto;
6695 
6696 	spec->ip_ver = ETH_RX_NFC_IP4;
6697 }
6698 
hclge_fd_get_tcpip6_info(struct hclge_fd_rule * rule,struct ethtool_tcpip6_spec * spec,struct ethtool_tcpip6_spec * spec_mask)6699 static void hclge_fd_get_tcpip6_info(struct hclge_fd_rule *rule,
6700 				     struct ethtool_tcpip6_spec *spec,
6701 				     struct ethtool_tcpip6_spec *spec_mask)
6702 {
6703 	cpu_to_be32_array(spec->ip6src,
6704 			  rule->tuples.src_ip, IPV6_SIZE);
6705 	cpu_to_be32_array(spec->ip6dst,
6706 			  rule->tuples.dst_ip, IPV6_SIZE);
6707 	if (rule->unused_tuple & BIT(INNER_SRC_IP))
6708 		memset(spec_mask->ip6src, 0, sizeof(spec_mask->ip6src));
6709 	else
6710 		cpu_to_be32_array(spec_mask->ip6src, rule->tuples_mask.src_ip,
6711 				  IPV6_SIZE);
6712 
6713 	if (rule->unused_tuple & BIT(INNER_DST_IP))
6714 		memset(spec_mask->ip6dst, 0, sizeof(spec_mask->ip6dst));
6715 	else
6716 		cpu_to_be32_array(spec_mask->ip6dst, rule->tuples_mask.dst_ip,
6717 				  IPV6_SIZE);
6718 
6719 	spec->tclass = rule->tuples.ip_tos;
6720 	spec_mask->tclass = rule->unused_tuple & BIT(INNER_IP_TOS) ?
6721 			0 : rule->tuples_mask.ip_tos;
6722 
6723 	spec->psrc = cpu_to_be16(rule->tuples.src_port);
6724 	spec_mask->psrc = rule->unused_tuple & BIT(INNER_SRC_PORT) ?
6725 			0 : cpu_to_be16(rule->tuples_mask.src_port);
6726 
6727 	spec->pdst = cpu_to_be16(rule->tuples.dst_port);
6728 	spec_mask->pdst = rule->unused_tuple & BIT(INNER_DST_PORT) ?
6729 			0 : cpu_to_be16(rule->tuples_mask.dst_port);
6730 }
6731 
hclge_fd_get_ip6_info(struct hclge_fd_rule * rule,struct ethtool_usrip6_spec * spec,struct ethtool_usrip6_spec * spec_mask)6732 static void hclge_fd_get_ip6_info(struct hclge_fd_rule *rule,
6733 				  struct ethtool_usrip6_spec *spec,
6734 				  struct ethtool_usrip6_spec *spec_mask)
6735 {
6736 	cpu_to_be32_array(spec->ip6src, rule->tuples.src_ip, IPV6_SIZE);
6737 	cpu_to_be32_array(spec->ip6dst, rule->tuples.dst_ip, IPV6_SIZE);
6738 	if (rule->unused_tuple & BIT(INNER_SRC_IP))
6739 		memset(spec_mask->ip6src, 0, sizeof(spec_mask->ip6src));
6740 	else
6741 		cpu_to_be32_array(spec_mask->ip6src,
6742 				  rule->tuples_mask.src_ip, IPV6_SIZE);
6743 
6744 	if (rule->unused_tuple & BIT(INNER_DST_IP))
6745 		memset(spec_mask->ip6dst, 0, sizeof(spec_mask->ip6dst));
6746 	else
6747 		cpu_to_be32_array(spec_mask->ip6dst,
6748 				  rule->tuples_mask.dst_ip, IPV6_SIZE);
6749 
6750 	spec->tclass = rule->tuples.ip_tos;
6751 	spec_mask->tclass = rule->unused_tuple & BIT(INNER_IP_TOS) ?
6752 			0 : rule->tuples_mask.ip_tos;
6753 
6754 	spec->l4_proto = rule->tuples.ip_proto;
6755 	spec_mask->l4_proto = rule->unused_tuple & BIT(INNER_IP_PROTO) ?
6756 			0 : rule->tuples_mask.ip_proto;
6757 }
6758 
hclge_fd_get_ether_info(struct hclge_fd_rule * rule,struct ethhdr * spec,struct ethhdr * spec_mask)6759 static void hclge_fd_get_ether_info(struct hclge_fd_rule *rule,
6760 				    struct ethhdr *spec,
6761 				    struct ethhdr *spec_mask)
6762 {
6763 	ether_addr_copy(spec->h_source, rule->tuples.src_mac);
6764 	ether_addr_copy(spec->h_dest, rule->tuples.dst_mac);
6765 
6766 	if (rule->unused_tuple & BIT(INNER_SRC_MAC))
6767 		eth_zero_addr(spec_mask->h_source);
6768 	else
6769 		ether_addr_copy(spec_mask->h_source, rule->tuples_mask.src_mac);
6770 
6771 	if (rule->unused_tuple & BIT(INNER_DST_MAC))
6772 		eth_zero_addr(spec_mask->h_dest);
6773 	else
6774 		ether_addr_copy(spec_mask->h_dest, rule->tuples_mask.dst_mac);
6775 
6776 	spec->h_proto = cpu_to_be16(rule->tuples.ether_proto);
6777 	spec_mask->h_proto = rule->unused_tuple & BIT(INNER_ETH_TYPE) ?
6778 			0 : cpu_to_be16(rule->tuples_mask.ether_proto);
6779 }
6780 
hclge_fd_get_user_def_info(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6781 static void hclge_fd_get_user_def_info(struct ethtool_rx_flow_spec *fs,
6782 				       struct hclge_fd_rule *rule)
6783 {
6784 	if ((rule->unused_tuple & HCLGE_FD_TUPLE_USER_DEF_TUPLES) ==
6785 	    HCLGE_FD_TUPLE_USER_DEF_TUPLES) {
6786 		fs->h_ext.data[0] = 0;
6787 		fs->h_ext.data[1] = 0;
6788 		fs->m_ext.data[0] = 0;
6789 		fs->m_ext.data[1] = 0;
6790 	} else {
6791 		fs->h_ext.data[0] = cpu_to_be32(rule->ep.user_def.offset);
6792 		fs->h_ext.data[1] = cpu_to_be32(rule->ep.user_def.data);
6793 		fs->m_ext.data[0] =
6794 				cpu_to_be32(HCLGE_FD_USER_DEF_OFFSET_UNMASK);
6795 		fs->m_ext.data[1] = cpu_to_be32(rule->ep.user_def.data_mask);
6796 	}
6797 }
6798 
hclge_fd_get_ext_info(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6799 static void hclge_fd_get_ext_info(struct ethtool_rx_flow_spec *fs,
6800 				  struct hclge_fd_rule *rule)
6801 {
6802 	if (fs->flow_type & FLOW_EXT) {
6803 		fs->h_ext.vlan_tci = cpu_to_be16(rule->tuples.vlan_tag1);
6804 		fs->m_ext.vlan_tci =
6805 				rule->unused_tuple & BIT(INNER_VLAN_TAG_FST) ?
6806 				0 : cpu_to_be16(rule->tuples_mask.vlan_tag1);
6807 
6808 		hclge_fd_get_user_def_info(fs, rule);
6809 	}
6810 
6811 	if (fs->flow_type & FLOW_MAC_EXT) {
6812 		ether_addr_copy(fs->h_ext.h_dest, rule->tuples.dst_mac);
6813 		if (rule->unused_tuple & BIT(INNER_DST_MAC))
6814 			eth_zero_addr(fs->m_u.ether_spec.h_dest);
6815 		else
6816 			ether_addr_copy(fs->m_u.ether_spec.h_dest,
6817 					rule->tuples_mask.dst_mac);
6818 	}
6819 }
6820 
hclge_get_fd_rule(struct hclge_dev * hdev,u16 location)6821 static struct hclge_fd_rule *hclge_get_fd_rule(struct hclge_dev *hdev,
6822 					       u16 location)
6823 {
6824 	struct hclge_fd_rule *rule = NULL;
6825 	struct hlist_node *node2;
6826 
6827 	hlist_for_each_entry_safe(rule, node2, &hdev->fd_rule_list, rule_node) {
6828 		if (rule->location == location)
6829 			return rule;
6830 		else if (rule->location > location)
6831 			return NULL;
6832 	}
6833 
6834 	return NULL;
6835 }
6836 
hclge_fd_get_ring_cookie(struct ethtool_rx_flow_spec * fs,struct hclge_fd_rule * rule)6837 static void hclge_fd_get_ring_cookie(struct ethtool_rx_flow_spec *fs,
6838 				     struct hclge_fd_rule *rule)
6839 {
6840 	if (rule->action == HCLGE_FD_ACTION_DROP_PACKET) {
6841 		fs->ring_cookie = RX_CLS_FLOW_DISC;
6842 	} else {
6843 		u64 vf_id;
6844 
6845 		fs->ring_cookie = rule->queue_id;
6846 		vf_id = rule->vf_id;
6847 		vf_id <<= ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
6848 		fs->ring_cookie |= vf_id;
6849 	}
6850 }
6851 
hclge_get_fd_rule_info(struct hnae3_handle * handle,struct ethtool_rxnfc * cmd)6852 static int hclge_get_fd_rule_info(struct hnae3_handle *handle,
6853 				  struct ethtool_rxnfc *cmd)
6854 {
6855 	struct hclge_vport *vport = hclge_get_vport(handle);
6856 	struct hclge_fd_rule *rule = NULL;
6857 	struct hclge_dev *hdev = vport->back;
6858 	struct ethtool_rx_flow_spec *fs;
6859 
6860 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
6861 		return -EOPNOTSUPP;
6862 
6863 	fs = (struct ethtool_rx_flow_spec *)&cmd->fs;
6864 
6865 	spin_lock_bh(&hdev->fd_rule_lock);
6866 
6867 	rule = hclge_get_fd_rule(hdev, fs->location);
6868 	if (!rule) {
6869 		spin_unlock_bh(&hdev->fd_rule_lock);
6870 		return -ENOENT;
6871 	}
6872 
6873 	fs->flow_type = rule->flow_type;
6874 	switch (fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
6875 	case SCTP_V4_FLOW:
6876 	case TCP_V4_FLOW:
6877 	case UDP_V4_FLOW:
6878 		hclge_fd_get_tcpip4_info(rule, &fs->h_u.tcp_ip4_spec,
6879 					 &fs->m_u.tcp_ip4_spec);
6880 		break;
6881 	case IP_USER_FLOW:
6882 		hclge_fd_get_ip4_info(rule, &fs->h_u.usr_ip4_spec,
6883 				      &fs->m_u.usr_ip4_spec);
6884 		break;
6885 	case SCTP_V6_FLOW:
6886 	case TCP_V6_FLOW:
6887 	case UDP_V6_FLOW:
6888 		hclge_fd_get_tcpip6_info(rule, &fs->h_u.tcp_ip6_spec,
6889 					 &fs->m_u.tcp_ip6_spec);
6890 		break;
6891 	case IPV6_USER_FLOW:
6892 		hclge_fd_get_ip6_info(rule, &fs->h_u.usr_ip6_spec,
6893 				      &fs->m_u.usr_ip6_spec);
6894 		break;
6895 	/* The flow type of fd rule has been checked before adding in to rule
6896 	 * list. As other flow types have been handled, it must be ETHER_FLOW
6897 	 * for the default case
6898 	 */
6899 	default:
6900 		hclge_fd_get_ether_info(rule, &fs->h_u.ether_spec,
6901 					&fs->m_u.ether_spec);
6902 		break;
6903 	}
6904 
6905 	hclge_fd_get_ext_info(fs, rule);
6906 
6907 	hclge_fd_get_ring_cookie(fs, rule);
6908 
6909 	spin_unlock_bh(&hdev->fd_rule_lock);
6910 
6911 	return 0;
6912 }
6913 
hclge_get_all_rules(struct hnae3_handle * handle,struct ethtool_rxnfc * cmd,u32 * rule_locs)6914 static int hclge_get_all_rules(struct hnae3_handle *handle,
6915 			       struct ethtool_rxnfc *cmd, u32 *rule_locs)
6916 {
6917 	struct hclge_vport *vport = hclge_get_vport(handle);
6918 	struct hclge_dev *hdev = vport->back;
6919 	struct hclge_fd_rule *rule;
6920 	struct hlist_node *node2;
6921 	int cnt = 0;
6922 
6923 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
6924 		return -EOPNOTSUPP;
6925 
6926 	cmd->data = hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1];
6927 
6928 	spin_lock_bh(&hdev->fd_rule_lock);
6929 	hlist_for_each_entry_safe(rule, node2,
6930 				  &hdev->fd_rule_list, rule_node) {
6931 		if (cnt == cmd->rule_cnt) {
6932 			spin_unlock_bh(&hdev->fd_rule_lock);
6933 			return -EMSGSIZE;
6934 		}
6935 
6936 		if (rule->state == HCLGE_FD_TO_DEL)
6937 			continue;
6938 
6939 		rule_locs[cnt] = rule->location;
6940 		cnt++;
6941 	}
6942 
6943 	spin_unlock_bh(&hdev->fd_rule_lock);
6944 
6945 	cmd->rule_cnt = cnt;
6946 
6947 	return 0;
6948 }
6949 
hclge_fd_get_flow_tuples(const struct flow_keys * fkeys,struct hclge_fd_rule_tuples * tuples)6950 static void hclge_fd_get_flow_tuples(const struct flow_keys *fkeys,
6951 				     struct hclge_fd_rule_tuples *tuples)
6952 {
6953 #define flow_ip6_src fkeys->addrs.v6addrs.src.in6_u.u6_addr32
6954 #define flow_ip6_dst fkeys->addrs.v6addrs.dst.in6_u.u6_addr32
6955 
6956 	tuples->ether_proto = be16_to_cpu(fkeys->basic.n_proto);
6957 	tuples->ip_proto = fkeys->basic.ip_proto;
6958 	tuples->dst_port = be16_to_cpu(fkeys->ports.dst);
6959 
6960 	if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
6961 		tuples->src_ip[3] = be32_to_cpu(fkeys->addrs.v4addrs.src);
6962 		tuples->dst_ip[3] = be32_to_cpu(fkeys->addrs.v4addrs.dst);
6963 	} else {
6964 		int i;
6965 
6966 		for (i = 0; i < IPV6_SIZE; i++) {
6967 			tuples->src_ip[i] = be32_to_cpu(flow_ip6_src[i]);
6968 			tuples->dst_ip[i] = be32_to_cpu(flow_ip6_dst[i]);
6969 		}
6970 	}
6971 }
6972 
6973 /* traverse all rules, check whether an existed rule has the same tuples */
6974 static struct hclge_fd_rule *
hclge_fd_search_flow_keys(struct hclge_dev * hdev,const struct hclge_fd_rule_tuples * tuples)6975 hclge_fd_search_flow_keys(struct hclge_dev *hdev,
6976 			  const struct hclge_fd_rule_tuples *tuples)
6977 {
6978 	struct hclge_fd_rule *rule = NULL;
6979 	struct hlist_node *node;
6980 
6981 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
6982 		if (!memcmp(tuples, &rule->tuples, sizeof(*tuples)))
6983 			return rule;
6984 	}
6985 
6986 	return NULL;
6987 }
6988 
hclge_fd_build_arfs_rule(const struct hclge_fd_rule_tuples * tuples,struct hclge_fd_rule * rule)6989 static void hclge_fd_build_arfs_rule(const struct hclge_fd_rule_tuples *tuples,
6990 				     struct hclge_fd_rule *rule)
6991 {
6992 	rule->unused_tuple = BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
6993 			     BIT(INNER_VLAN_TAG_FST) | BIT(INNER_IP_TOS) |
6994 			     BIT(INNER_SRC_PORT);
6995 	rule->action = 0;
6996 	rule->vf_id = 0;
6997 	rule->rule_type = HCLGE_FD_ARFS_ACTIVE;
6998 	rule->state = HCLGE_FD_TO_ADD;
6999 	if (tuples->ether_proto == ETH_P_IP) {
7000 		if (tuples->ip_proto == IPPROTO_TCP)
7001 			rule->flow_type = TCP_V4_FLOW;
7002 		else
7003 			rule->flow_type = UDP_V4_FLOW;
7004 	} else {
7005 		if (tuples->ip_proto == IPPROTO_TCP)
7006 			rule->flow_type = TCP_V6_FLOW;
7007 		else
7008 			rule->flow_type = UDP_V6_FLOW;
7009 	}
7010 	memcpy(&rule->tuples, tuples, sizeof(rule->tuples));
7011 	memset(&rule->tuples_mask, 0xFF, sizeof(rule->tuples_mask));
7012 }
7013 
hclge_add_fd_entry_by_arfs(struct hnae3_handle * handle,u16 queue_id,u16 flow_id,struct flow_keys * fkeys)7014 static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *handle, u16 queue_id,
7015 				      u16 flow_id, struct flow_keys *fkeys)
7016 {
7017 	struct hclge_vport *vport = hclge_get_vport(handle);
7018 	struct hclge_fd_rule_tuples new_tuples = {};
7019 	struct hclge_dev *hdev = vport->back;
7020 	struct hclge_fd_rule *rule;
7021 	u16 bit_id;
7022 
7023 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
7024 		return -EOPNOTSUPP;
7025 
7026 	/* when there is already fd rule existed add by user,
7027 	 * arfs should not work
7028 	 */
7029 	spin_lock_bh(&hdev->fd_rule_lock);
7030 	if (hdev->fd_active_type != HCLGE_FD_ARFS_ACTIVE &&
7031 	    hdev->fd_active_type != HCLGE_FD_RULE_NONE) {
7032 		spin_unlock_bh(&hdev->fd_rule_lock);
7033 		return -EOPNOTSUPP;
7034 	}
7035 
7036 	hclge_fd_get_flow_tuples(fkeys, &new_tuples);
7037 
7038 	/* check is there flow director filter existed for this flow,
7039 	 * if not, create a new filter for it;
7040 	 * if filter exist with different queue id, modify the filter;
7041 	 * if filter exist with same queue id, do nothing
7042 	 */
7043 	rule = hclge_fd_search_flow_keys(hdev, &new_tuples);
7044 	if (!rule) {
7045 		bit_id = find_first_zero_bit(hdev->fd_bmap, MAX_FD_FILTER_NUM);
7046 		if (bit_id >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]) {
7047 			spin_unlock_bh(&hdev->fd_rule_lock);
7048 			return -ENOSPC;
7049 		}
7050 
7051 		rule = kzalloc(sizeof(*rule), GFP_ATOMIC);
7052 		if (!rule) {
7053 			spin_unlock_bh(&hdev->fd_rule_lock);
7054 			return -ENOMEM;
7055 		}
7056 
7057 		rule->location = bit_id;
7058 		rule->arfs.flow_id = flow_id;
7059 		rule->queue_id = queue_id;
7060 		hclge_fd_build_arfs_rule(&new_tuples, rule);
7061 		hclge_update_fd_list(hdev, rule->state, rule->location, rule);
7062 		hdev->fd_active_type = HCLGE_FD_ARFS_ACTIVE;
7063 	} else if (rule->queue_id != queue_id) {
7064 		rule->queue_id = queue_id;
7065 		rule->state = HCLGE_FD_TO_ADD;
7066 		set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
7067 		hclge_task_schedule(hdev, 0);
7068 	}
7069 	spin_unlock_bh(&hdev->fd_rule_lock);
7070 	return rule->location;
7071 }
7072 
hclge_rfs_filter_expire(struct hclge_dev * hdev)7073 static void hclge_rfs_filter_expire(struct hclge_dev *hdev)
7074 {
7075 #ifdef CONFIG_RFS_ACCEL
7076 	struct hnae3_handle *handle = &hdev->vport[0].nic;
7077 	struct hclge_fd_rule *rule;
7078 	struct hlist_node *node;
7079 
7080 	spin_lock_bh(&hdev->fd_rule_lock);
7081 	if (hdev->fd_active_type != HCLGE_FD_ARFS_ACTIVE) {
7082 		spin_unlock_bh(&hdev->fd_rule_lock);
7083 		return;
7084 	}
7085 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
7086 		if (rule->state != HCLGE_FD_ACTIVE)
7087 			continue;
7088 		if (rps_may_expire_flow(handle->netdev, rule->queue_id,
7089 					rule->arfs.flow_id, rule->location)) {
7090 			rule->state = HCLGE_FD_TO_DEL;
7091 			set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
7092 		}
7093 	}
7094 	spin_unlock_bh(&hdev->fd_rule_lock);
7095 #endif
7096 }
7097 
7098 /* make sure being called after lock up with fd_rule_lock */
hclge_clear_arfs_rules(struct hclge_dev * hdev)7099 static int hclge_clear_arfs_rules(struct hclge_dev *hdev)
7100 {
7101 #ifdef CONFIG_RFS_ACCEL
7102 	struct hclge_fd_rule *rule;
7103 	struct hlist_node *node;
7104 	int ret;
7105 
7106 	if (hdev->fd_active_type != HCLGE_FD_ARFS_ACTIVE)
7107 		return 0;
7108 
7109 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
7110 		switch (rule->state) {
7111 		case HCLGE_FD_TO_DEL:
7112 		case HCLGE_FD_ACTIVE:
7113 			ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true,
7114 						   rule->location, NULL, false);
7115 			if (ret)
7116 				return ret;
7117 			fallthrough;
7118 		case HCLGE_FD_TO_ADD:
7119 			hclge_fd_dec_rule_cnt(hdev, rule->location);
7120 			hlist_del(&rule->rule_node);
7121 			kfree(rule);
7122 			break;
7123 		default:
7124 			break;
7125 		}
7126 	}
7127 	hclge_sync_fd_state(hdev);
7128 
7129 #endif
7130 	return 0;
7131 }
7132 
hclge_get_cls_key_basic(const struct flow_rule * flow,struct hclge_fd_rule * rule)7133 static void hclge_get_cls_key_basic(const struct flow_rule *flow,
7134 				    struct hclge_fd_rule *rule)
7135 {
7136 	if (flow_rule_match_key(flow, FLOW_DISSECTOR_KEY_BASIC)) {
7137 		struct flow_match_basic match;
7138 		u16 ethtype_key, ethtype_mask;
7139 
7140 		flow_rule_match_basic(flow, &match);
7141 		ethtype_key = ntohs(match.key->n_proto);
7142 		ethtype_mask = ntohs(match.mask->n_proto);
7143 
7144 		if (ethtype_key == ETH_P_ALL) {
7145 			ethtype_key = 0;
7146 			ethtype_mask = 0;
7147 		}
7148 		rule->tuples.ether_proto = ethtype_key;
7149 		rule->tuples_mask.ether_proto = ethtype_mask;
7150 		rule->tuples.ip_proto = match.key->ip_proto;
7151 		rule->tuples_mask.ip_proto = match.mask->ip_proto;
7152 	} else {
7153 		rule->unused_tuple |= BIT(INNER_IP_PROTO);
7154 		rule->unused_tuple |= BIT(INNER_ETH_TYPE);
7155 	}
7156 }
7157 
hclge_get_cls_key_mac(const struct flow_rule * flow,struct hclge_fd_rule * rule)7158 static void hclge_get_cls_key_mac(const struct flow_rule *flow,
7159 				  struct hclge_fd_rule *rule)
7160 {
7161 	if (flow_rule_match_key(flow, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
7162 		struct flow_match_eth_addrs match;
7163 
7164 		flow_rule_match_eth_addrs(flow, &match);
7165 		ether_addr_copy(rule->tuples.dst_mac, match.key->dst);
7166 		ether_addr_copy(rule->tuples_mask.dst_mac, match.mask->dst);
7167 		ether_addr_copy(rule->tuples.src_mac, match.key->src);
7168 		ether_addr_copy(rule->tuples_mask.src_mac, match.mask->src);
7169 	} else {
7170 		rule->unused_tuple |= BIT(INNER_DST_MAC);
7171 		rule->unused_tuple |= BIT(INNER_SRC_MAC);
7172 	}
7173 }
7174 
hclge_get_cls_key_vlan(const struct flow_rule * flow,struct hclge_fd_rule * rule)7175 static void hclge_get_cls_key_vlan(const struct flow_rule *flow,
7176 				   struct hclge_fd_rule *rule)
7177 {
7178 	if (flow_rule_match_key(flow, FLOW_DISSECTOR_KEY_VLAN)) {
7179 		struct flow_match_vlan match;
7180 
7181 		flow_rule_match_vlan(flow, &match);
7182 		rule->tuples.vlan_tag1 = match.key->vlan_id |
7183 				(match.key->vlan_priority << VLAN_PRIO_SHIFT);
7184 		rule->tuples_mask.vlan_tag1 = match.mask->vlan_id |
7185 				(match.mask->vlan_priority << VLAN_PRIO_SHIFT);
7186 	} else {
7187 		rule->unused_tuple |= BIT(INNER_VLAN_TAG_FST);
7188 	}
7189 }
7190 
hclge_get_cls_key_ip(const struct flow_rule * flow,struct hclge_fd_rule * rule)7191 static void hclge_get_cls_key_ip(const struct flow_rule *flow,
7192 				 struct hclge_fd_rule *rule)
7193 {
7194 	u16 addr_type = 0;
7195 
7196 	if (flow_rule_match_key(flow, FLOW_DISSECTOR_KEY_CONTROL)) {
7197 		struct flow_match_control match;
7198 
7199 		flow_rule_match_control(flow, &match);
7200 		addr_type = match.key->addr_type;
7201 	}
7202 
7203 	if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
7204 		struct flow_match_ipv4_addrs match;
7205 
7206 		flow_rule_match_ipv4_addrs(flow, &match);
7207 		rule->tuples.src_ip[IPV4_INDEX] = be32_to_cpu(match.key->src);
7208 		rule->tuples_mask.src_ip[IPV4_INDEX] =
7209 						be32_to_cpu(match.mask->src);
7210 		rule->tuples.dst_ip[IPV4_INDEX] = be32_to_cpu(match.key->dst);
7211 		rule->tuples_mask.dst_ip[IPV4_INDEX] =
7212 						be32_to_cpu(match.mask->dst);
7213 	} else if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
7214 		struct flow_match_ipv6_addrs match;
7215 
7216 		flow_rule_match_ipv6_addrs(flow, &match);
7217 		be32_to_cpu_array(rule->tuples.src_ip, match.key->src.s6_addr32,
7218 				  IPV6_SIZE);
7219 		be32_to_cpu_array(rule->tuples_mask.src_ip,
7220 				  match.mask->src.s6_addr32, IPV6_SIZE);
7221 		be32_to_cpu_array(rule->tuples.dst_ip, match.key->dst.s6_addr32,
7222 				  IPV6_SIZE);
7223 		be32_to_cpu_array(rule->tuples_mask.dst_ip,
7224 				  match.mask->dst.s6_addr32, IPV6_SIZE);
7225 	} else {
7226 		rule->unused_tuple |= BIT(INNER_SRC_IP);
7227 		rule->unused_tuple |= BIT(INNER_DST_IP);
7228 	}
7229 }
7230 
hclge_get_cls_key_port(const struct flow_rule * flow,struct hclge_fd_rule * rule)7231 static void hclge_get_cls_key_port(const struct flow_rule *flow,
7232 				   struct hclge_fd_rule *rule)
7233 {
7234 	if (flow_rule_match_key(flow, FLOW_DISSECTOR_KEY_PORTS)) {
7235 		struct flow_match_ports match;
7236 
7237 		flow_rule_match_ports(flow, &match);
7238 
7239 		rule->tuples.src_port = be16_to_cpu(match.key->src);
7240 		rule->tuples_mask.src_port = be16_to_cpu(match.mask->src);
7241 		rule->tuples.dst_port = be16_to_cpu(match.key->dst);
7242 		rule->tuples_mask.dst_port = be16_to_cpu(match.mask->dst);
7243 	} else {
7244 		rule->unused_tuple |= BIT(INNER_SRC_PORT);
7245 		rule->unused_tuple |= BIT(INNER_DST_PORT);
7246 	}
7247 }
7248 
hclge_parse_cls_flower(struct hclge_dev * hdev,struct flow_cls_offload * cls_flower,struct hclge_fd_rule * rule)7249 static int hclge_parse_cls_flower(struct hclge_dev *hdev,
7250 				  struct flow_cls_offload *cls_flower,
7251 				  struct hclge_fd_rule *rule)
7252 {
7253 	struct flow_rule *flow = flow_cls_offload_flow_rule(cls_flower);
7254 	struct flow_dissector *dissector = flow->match.dissector;
7255 
7256 	if (dissector->used_keys &
7257 	    ~(BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) |
7258 	      BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
7259 	      BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
7260 	      BIT_ULL(FLOW_DISSECTOR_KEY_VLAN) |
7261 	      BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
7262 	      BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
7263 	      BIT_ULL(FLOW_DISSECTOR_KEY_PORTS))) {
7264 		dev_err(&hdev->pdev->dev, "unsupported key set: %#llx\n",
7265 			dissector->used_keys);
7266 		return -EOPNOTSUPP;
7267 	}
7268 
7269 	hclge_get_cls_key_basic(flow, rule);
7270 	hclge_get_cls_key_mac(flow, rule);
7271 	hclge_get_cls_key_vlan(flow, rule);
7272 	hclge_get_cls_key_ip(flow, rule);
7273 	hclge_get_cls_key_port(flow, rule);
7274 
7275 	return 0;
7276 }
7277 
hclge_check_cls_flower(struct hclge_dev * hdev,struct flow_cls_offload * cls_flower,int tc)7278 static int hclge_check_cls_flower(struct hclge_dev *hdev,
7279 				  struct flow_cls_offload *cls_flower, int tc)
7280 {
7281 	u32 prio = cls_flower->common.prio;
7282 
7283 	if (tc < 0 || tc > hdev->tc_max) {
7284 		dev_err(&hdev->pdev->dev, "invalid traffic class\n");
7285 		return -EINVAL;
7286 	}
7287 
7288 	if (prio == 0 ||
7289 	    prio > hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]) {
7290 		dev_err(&hdev->pdev->dev,
7291 			"prio %u should be in range[1, %u]\n",
7292 			prio, hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]);
7293 		return -EINVAL;
7294 	}
7295 
7296 	if (test_bit(prio - 1, hdev->fd_bmap)) {
7297 		dev_err(&hdev->pdev->dev, "prio %u is already used\n", prio);
7298 		return -EINVAL;
7299 	}
7300 	return 0;
7301 }
7302 
hclge_add_cls_flower(struct hnae3_handle * handle,struct flow_cls_offload * cls_flower,int tc)7303 static int hclge_add_cls_flower(struct hnae3_handle *handle,
7304 				struct flow_cls_offload *cls_flower,
7305 				int tc)
7306 {
7307 	struct hclge_vport *vport = hclge_get_vport(handle);
7308 	struct hclge_dev *hdev = vport->back;
7309 	struct hclge_fd_rule *rule;
7310 	int ret;
7311 
7312 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev)) {
7313 		dev_err(&hdev->pdev->dev,
7314 			"cls flower is not supported\n");
7315 		return -EOPNOTSUPP;
7316 	}
7317 
7318 	ret = hclge_check_cls_flower(hdev, cls_flower, tc);
7319 	if (ret) {
7320 		dev_err(&hdev->pdev->dev,
7321 			"failed to check cls flower params, ret = %d\n", ret);
7322 		return ret;
7323 	}
7324 
7325 	rule = kzalloc(sizeof(*rule), GFP_KERNEL);
7326 	if (!rule)
7327 		return -ENOMEM;
7328 
7329 	ret = hclge_parse_cls_flower(hdev, cls_flower, rule);
7330 	if (ret) {
7331 		kfree(rule);
7332 		return ret;
7333 	}
7334 
7335 	rule->action = HCLGE_FD_ACTION_SELECT_TC;
7336 	rule->cls_flower.tc = tc;
7337 	rule->location = cls_flower->common.prio - 1;
7338 	rule->vf_id = 0;
7339 	rule->cls_flower.cookie = cls_flower->cookie;
7340 	rule->rule_type = HCLGE_FD_TC_FLOWER_ACTIVE;
7341 
7342 	ret = hclge_add_fd_entry_common(hdev, rule);
7343 	if (ret)
7344 		kfree(rule);
7345 
7346 	return ret;
7347 }
7348 
hclge_find_cls_flower(struct hclge_dev * hdev,unsigned long cookie)7349 static struct hclge_fd_rule *hclge_find_cls_flower(struct hclge_dev *hdev,
7350 						   unsigned long cookie)
7351 {
7352 	struct hclge_fd_rule *rule;
7353 	struct hlist_node *node;
7354 
7355 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
7356 		if (rule->cls_flower.cookie == cookie)
7357 			return rule;
7358 	}
7359 
7360 	return NULL;
7361 }
7362 
hclge_del_cls_flower(struct hnae3_handle * handle,struct flow_cls_offload * cls_flower)7363 static int hclge_del_cls_flower(struct hnae3_handle *handle,
7364 				struct flow_cls_offload *cls_flower)
7365 {
7366 	struct hclge_vport *vport = hclge_get_vport(handle);
7367 	struct hclge_dev *hdev = vport->back;
7368 	struct hclge_fd_rule *rule;
7369 	int ret;
7370 
7371 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
7372 		return -EOPNOTSUPP;
7373 
7374 	spin_lock_bh(&hdev->fd_rule_lock);
7375 
7376 	rule = hclge_find_cls_flower(hdev, cls_flower->cookie);
7377 	if (!rule) {
7378 		spin_unlock_bh(&hdev->fd_rule_lock);
7379 		return -EINVAL;
7380 	}
7381 
7382 	ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true, rule->location,
7383 				   NULL, false);
7384 	if (ret) {
7385 		/* if tcam config fail, set rule state to TO_DEL,
7386 		 * so the rule will be deleted when periodic
7387 		 * task being scheduled.
7388 		 */
7389 		hclge_update_fd_list(hdev, HCLGE_FD_TO_DEL, rule->location, NULL);
7390 		set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
7391 		spin_unlock_bh(&hdev->fd_rule_lock);
7392 		return ret;
7393 	}
7394 
7395 	hclge_update_fd_list(hdev, HCLGE_FD_DELETED, rule->location, NULL);
7396 	spin_unlock_bh(&hdev->fd_rule_lock);
7397 
7398 	return 0;
7399 }
7400 
hclge_sync_fd_list(struct hclge_dev * hdev,struct hlist_head * hlist)7401 static void hclge_sync_fd_list(struct hclge_dev *hdev, struct hlist_head *hlist)
7402 {
7403 	struct hclge_fd_rule *rule;
7404 	struct hlist_node *node;
7405 	int ret = 0;
7406 
7407 	if (!test_and_clear_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state))
7408 		return;
7409 
7410 	spin_lock_bh(&hdev->fd_rule_lock);
7411 
7412 	hlist_for_each_entry_safe(rule, node, hlist, rule_node) {
7413 		switch (rule->state) {
7414 		case HCLGE_FD_TO_ADD:
7415 			ret = hclge_fd_config_rule(hdev, rule);
7416 			if (ret)
7417 				goto out;
7418 			rule->state = HCLGE_FD_ACTIVE;
7419 			break;
7420 		case HCLGE_FD_TO_DEL:
7421 			ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true,
7422 						   rule->location, NULL, false);
7423 			if (ret)
7424 				goto out;
7425 			hclge_fd_dec_rule_cnt(hdev, rule->location);
7426 			hclge_fd_free_node(hdev, rule);
7427 			break;
7428 		default:
7429 			break;
7430 		}
7431 	}
7432 
7433 out:
7434 	if (ret)
7435 		set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
7436 
7437 	spin_unlock_bh(&hdev->fd_rule_lock);
7438 }
7439 
hclge_sync_fd_table(struct hclge_dev * hdev)7440 static void hclge_sync_fd_table(struct hclge_dev *hdev)
7441 {
7442 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
7443 		return;
7444 
7445 	if (test_and_clear_bit(HCLGE_STATE_FD_CLEAR_ALL, &hdev->state)) {
7446 		bool clear_list = hdev->fd_active_type == HCLGE_FD_ARFS_ACTIVE;
7447 
7448 		hclge_clear_fd_rules_in_list(hdev, clear_list);
7449 	}
7450 
7451 	hclge_sync_fd_user_def_cfg(hdev, false);
7452 
7453 	hclge_sync_fd_list(hdev, &hdev->fd_rule_list);
7454 }
7455 
hclge_get_hw_reset_stat(struct hnae3_handle * handle)7456 static bool hclge_get_hw_reset_stat(struct hnae3_handle *handle)
7457 {
7458 	struct hclge_vport *vport = hclge_get_vport(handle);
7459 	struct hclge_dev *hdev = vport->back;
7460 
7461 	return hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG) ||
7462 	       hclge_read_dev(&hdev->hw, HCLGE_FUN_RST_ING);
7463 }
7464 
hclge_get_cmdq_stat(struct hnae3_handle * handle)7465 static bool hclge_get_cmdq_stat(struct hnae3_handle *handle)
7466 {
7467 	struct hclge_vport *vport = hclge_get_vport(handle);
7468 	struct hclge_dev *hdev = vport->back;
7469 
7470 	return test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
7471 }
7472 
hclge_ae_dev_resetting(struct hnae3_handle * handle)7473 static bool hclge_ae_dev_resetting(struct hnae3_handle *handle)
7474 {
7475 	struct hclge_vport *vport = hclge_get_vport(handle);
7476 	struct hclge_dev *hdev = vport->back;
7477 
7478 	return test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
7479 }
7480 
hclge_ae_dev_reset_cnt(struct hnae3_handle * handle)7481 static unsigned long hclge_ae_dev_reset_cnt(struct hnae3_handle *handle)
7482 {
7483 	struct hclge_vport *vport = hclge_get_vport(handle);
7484 	struct hclge_dev *hdev = vport->back;
7485 
7486 	return hdev->rst_stats.hw_reset_done_cnt;
7487 }
7488 
hclge_enable_fd(struct hnae3_handle * handle,bool enable)7489 static void hclge_enable_fd(struct hnae3_handle *handle, bool enable)
7490 {
7491 	struct hclge_vport *vport = hclge_get_vport(handle);
7492 	struct hclge_dev *hdev = vport->back;
7493 
7494 	hdev->fd_en = enable;
7495 
7496 	if (!enable)
7497 		set_bit(HCLGE_STATE_FD_CLEAR_ALL, &hdev->state);
7498 	else
7499 		hclge_restore_fd_entries(handle);
7500 
7501 	hclge_task_schedule(hdev, 0);
7502 }
7503 
hclge_cfg_mac_mode(struct hclge_dev * hdev,bool enable)7504 static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable)
7505 {
7506 #define HCLGE_LINK_STATUS_WAIT_CNT  3
7507 
7508 	struct hclge_desc desc;
7509 	struct hclge_config_mac_mode_cmd *req =
7510 		(struct hclge_config_mac_mode_cmd *)desc.data;
7511 	u32 loop_en = 0;
7512 	int ret;
7513 
7514 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, false);
7515 
7516 	if (enable) {
7517 		hnae3_set_bit(loop_en, HCLGE_MAC_TX_EN_B, 1U);
7518 		hnae3_set_bit(loop_en, HCLGE_MAC_RX_EN_B, 1U);
7519 		hnae3_set_bit(loop_en, HCLGE_MAC_PAD_TX_B, 1U);
7520 		hnae3_set_bit(loop_en, HCLGE_MAC_PAD_RX_B, 1U);
7521 		hnae3_set_bit(loop_en, HCLGE_MAC_FCS_TX_B, 1U);
7522 		hnae3_set_bit(loop_en, HCLGE_MAC_RX_FCS_B, 1U);
7523 		hnae3_set_bit(loop_en, HCLGE_MAC_RX_FCS_STRIP_B, 1U);
7524 		hnae3_set_bit(loop_en, HCLGE_MAC_TX_OVERSIZE_TRUNCATE_B, 1U);
7525 		hnae3_set_bit(loop_en, HCLGE_MAC_RX_OVERSIZE_TRUNCATE_B, 1U);
7526 		hnae3_set_bit(loop_en, HCLGE_MAC_TX_UNDER_MIN_ERR_B, 1U);
7527 	}
7528 
7529 	req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en);
7530 
7531 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7532 	if (ret) {
7533 		dev_err(&hdev->pdev->dev,
7534 			"mac enable fail, ret =%d.\n", ret);
7535 		return;
7536 	}
7537 
7538 	if (!enable)
7539 		hclge_mac_link_status_wait(hdev, HCLGE_LINK_STATUS_DOWN,
7540 					   HCLGE_LINK_STATUS_WAIT_CNT);
7541 }
7542 
hclge_config_switch_param(struct hclge_dev * hdev,int vfid,u8 switch_param,u8 param_mask)7543 static int hclge_config_switch_param(struct hclge_dev *hdev, int vfid,
7544 				     u8 switch_param, u8 param_mask)
7545 {
7546 	struct hclge_mac_vlan_switch_cmd *req;
7547 	struct hclge_desc desc;
7548 	u32 func_id;
7549 	int ret;
7550 
7551 	func_id = hclge_get_port_number(HOST_PORT, 0, vfid, 0);
7552 	req = (struct hclge_mac_vlan_switch_cmd *)desc.data;
7553 
7554 	/* read current config parameter */
7555 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_SWITCH_PARAM,
7556 				   true);
7557 	req->roce_sel = HCLGE_MAC_VLAN_NIC_SEL;
7558 	req->func_id = cpu_to_le32(func_id);
7559 
7560 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7561 	if (ret) {
7562 		dev_err(&hdev->pdev->dev,
7563 			"read mac vlan switch parameter fail, ret = %d\n", ret);
7564 		return ret;
7565 	}
7566 
7567 	/* modify and write new config parameter */
7568 	hclge_comm_cmd_reuse_desc(&desc, false);
7569 	req->switch_param = (req->switch_param & param_mask) | switch_param;
7570 	req->param_mask = param_mask;
7571 
7572 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7573 	if (ret)
7574 		dev_err(&hdev->pdev->dev,
7575 			"set mac vlan switch parameter fail, ret = %d\n", ret);
7576 	return ret;
7577 }
7578 
hclge_phy_link_status_wait(struct hclge_dev * hdev,int link_ret)7579 static void hclge_phy_link_status_wait(struct hclge_dev *hdev,
7580 				       int link_ret)
7581 {
7582 #define HCLGE_PHY_LINK_STATUS_NUM  200
7583 
7584 	struct phy_device *phydev = hdev->hw.mac.phydev;
7585 	int i = 0;
7586 	int ret;
7587 
7588 	do {
7589 		ret = phy_read_status(phydev);
7590 		if (ret) {
7591 			dev_err(&hdev->pdev->dev,
7592 				"phy update link status fail, ret = %d\n", ret);
7593 			return;
7594 		}
7595 
7596 		if (phydev->link == link_ret)
7597 			break;
7598 
7599 		msleep(HCLGE_LINK_STATUS_MS);
7600 	} while (++i < HCLGE_PHY_LINK_STATUS_NUM);
7601 }
7602 
hclge_mac_link_status_wait(struct hclge_dev * hdev,int link_ret,int wait_cnt)7603 static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret,
7604 				      int wait_cnt)
7605 {
7606 	int link_status;
7607 	int i = 0;
7608 	int ret;
7609 
7610 	do {
7611 		ret = hclge_get_mac_link_status(hdev, &link_status);
7612 		if (ret)
7613 			return ret;
7614 		if (link_status == link_ret)
7615 			return 0;
7616 
7617 		msleep(HCLGE_LINK_STATUS_MS);
7618 	} while (++i < wait_cnt);
7619 	return -EBUSY;
7620 }
7621 
hclge_mac_phy_link_status_wait(struct hclge_dev * hdev,bool en,bool is_phy)7622 static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en,
7623 					  bool is_phy)
7624 {
7625 #define HCLGE_MAC_LINK_STATUS_NUM  100
7626 
7627 	int link_ret;
7628 
7629 	link_ret = en ? HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN;
7630 
7631 	if (is_phy)
7632 		hclge_phy_link_status_wait(hdev, link_ret);
7633 
7634 	return hclge_mac_link_status_wait(hdev, link_ret,
7635 					  HCLGE_MAC_LINK_STATUS_NUM);
7636 }
7637 
hclge_set_app_loopback(struct hclge_dev * hdev,bool en)7638 static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en)
7639 {
7640 	struct hclge_config_mac_mode_cmd *req;
7641 	struct hclge_desc desc;
7642 	u32 loop_en;
7643 	int ret;
7644 
7645 	req = (struct hclge_config_mac_mode_cmd *)&desc.data[0];
7646 	/* 1 Read out the MAC mode config at first */
7647 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true);
7648 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7649 	if (ret) {
7650 		dev_err(&hdev->pdev->dev,
7651 			"mac loopback get fail, ret =%d.\n", ret);
7652 		return ret;
7653 	}
7654 
7655 	/* 2 Then setup the loopback flag */
7656 	loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
7657 	hnae3_set_bit(loop_en, HCLGE_MAC_APP_LP_B, en ? 1 : 0);
7658 
7659 	req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en);
7660 
7661 	/* 3 Config mac work mode with loopback flag
7662 	 * and its original configure parameters
7663 	 */
7664 	hclge_comm_cmd_reuse_desc(&desc, false);
7665 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7666 	if (ret)
7667 		dev_err(&hdev->pdev->dev,
7668 			"mac loopback set fail, ret =%d.\n", ret);
7669 	return ret;
7670 }
7671 
hclge_cfg_common_loopback_cmd_send(struct hclge_dev * hdev,bool en,enum hnae3_loop loop_mode)7672 static int hclge_cfg_common_loopback_cmd_send(struct hclge_dev *hdev, bool en,
7673 					      enum hnae3_loop loop_mode)
7674 {
7675 	struct hclge_common_lb_cmd *req;
7676 	struct hclge_desc desc;
7677 	u8 loop_mode_b;
7678 	int ret;
7679 
7680 	req = (struct hclge_common_lb_cmd *)desc.data;
7681 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_COMMON_LOOPBACK, false);
7682 
7683 	switch (loop_mode) {
7684 	case HNAE3_LOOP_SERIAL_SERDES:
7685 		loop_mode_b = HCLGE_CMD_SERDES_SERIAL_INNER_LOOP_B;
7686 		break;
7687 	case HNAE3_LOOP_PARALLEL_SERDES:
7688 		loop_mode_b = HCLGE_CMD_SERDES_PARALLEL_INNER_LOOP_B;
7689 		break;
7690 	case HNAE3_LOOP_PHY:
7691 		loop_mode_b = HCLGE_CMD_GE_PHY_INNER_LOOP_B;
7692 		break;
7693 	default:
7694 		dev_err(&hdev->pdev->dev,
7695 			"unsupported loopback mode %d\n", loop_mode);
7696 		return -ENOTSUPP;
7697 	}
7698 
7699 	req->mask = loop_mode_b;
7700 	if (en)
7701 		req->enable = loop_mode_b;
7702 
7703 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7704 	if (ret)
7705 		dev_err(&hdev->pdev->dev,
7706 			"failed to send loopback cmd, loop_mode = %d, ret = %d\n",
7707 			loop_mode, ret);
7708 
7709 	return ret;
7710 }
7711 
hclge_cfg_common_loopback_wait(struct hclge_dev * hdev)7712 static int hclge_cfg_common_loopback_wait(struct hclge_dev *hdev)
7713 {
7714 #define HCLGE_COMMON_LB_RETRY_MS	10
7715 #define HCLGE_COMMON_LB_RETRY_NUM	100
7716 
7717 	struct hclge_common_lb_cmd *req;
7718 	struct hclge_desc desc;
7719 	u32 i = 0;
7720 	int ret;
7721 
7722 	req = (struct hclge_common_lb_cmd *)desc.data;
7723 
7724 	do {
7725 		msleep(HCLGE_COMMON_LB_RETRY_MS);
7726 		hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_COMMON_LOOPBACK,
7727 					   true);
7728 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
7729 		if (ret) {
7730 			dev_err(&hdev->pdev->dev,
7731 				"failed to get loopback done status, ret = %d\n",
7732 				ret);
7733 			return ret;
7734 		}
7735 	} while (++i < HCLGE_COMMON_LB_RETRY_NUM &&
7736 		 !(req->result & HCLGE_CMD_COMMON_LB_DONE_B));
7737 
7738 	if (!(req->result & HCLGE_CMD_COMMON_LB_DONE_B)) {
7739 		dev_err(&hdev->pdev->dev, "wait loopback timeout\n");
7740 		return -EBUSY;
7741 	} else if (!(req->result & HCLGE_CMD_COMMON_LB_SUCCESS_B)) {
7742 		dev_err(&hdev->pdev->dev, "failed to do loopback test\n");
7743 		return -EIO;
7744 	}
7745 
7746 	return 0;
7747 }
7748 
hclge_cfg_common_loopback(struct hclge_dev * hdev,bool en,enum hnae3_loop loop_mode)7749 static int hclge_cfg_common_loopback(struct hclge_dev *hdev, bool en,
7750 				     enum hnae3_loop loop_mode)
7751 {
7752 	int ret;
7753 
7754 	ret = hclge_cfg_common_loopback_cmd_send(hdev, en, loop_mode);
7755 	if (ret)
7756 		return ret;
7757 
7758 	return hclge_cfg_common_loopback_wait(hdev);
7759 }
7760 
hclge_set_common_loopback(struct hclge_dev * hdev,bool en,enum hnae3_loop loop_mode)7761 static int hclge_set_common_loopback(struct hclge_dev *hdev, bool en,
7762 				     enum hnae3_loop loop_mode)
7763 {
7764 	int ret;
7765 
7766 	ret = hclge_cfg_common_loopback(hdev, en, loop_mode);
7767 	if (ret)
7768 		return ret;
7769 
7770 	hclge_cfg_mac_mode(hdev, en);
7771 
7772 	ret = hclge_mac_phy_link_status_wait(hdev, en, false);
7773 	if (ret)
7774 		dev_err(&hdev->pdev->dev,
7775 			"serdes loopback config mac mode timeout\n");
7776 
7777 	return ret;
7778 }
7779 
hclge_enable_phy_loopback(struct hclge_dev * hdev,struct phy_device * phydev)7780 static int hclge_enable_phy_loopback(struct hclge_dev *hdev,
7781 				     struct phy_device *phydev)
7782 {
7783 	int ret;
7784 
7785 	if (!phydev->suspended) {
7786 		ret = phy_suspend(phydev);
7787 		if (ret)
7788 			return ret;
7789 	}
7790 
7791 	ret = phy_resume(phydev);
7792 	if (ret)
7793 		return ret;
7794 
7795 	return phy_loopback(phydev, true);
7796 }
7797 
hclge_disable_phy_loopback(struct hclge_dev * hdev,struct phy_device * phydev)7798 static int hclge_disable_phy_loopback(struct hclge_dev *hdev,
7799 				      struct phy_device *phydev)
7800 {
7801 	int ret;
7802 
7803 	ret = phy_loopback(phydev, false);
7804 	if (ret)
7805 		return ret;
7806 
7807 	return phy_suspend(phydev);
7808 }
7809 
hclge_set_phy_loopback(struct hclge_dev * hdev,bool en)7810 static int hclge_set_phy_loopback(struct hclge_dev *hdev, bool en)
7811 {
7812 	struct phy_device *phydev = hdev->hw.mac.phydev;
7813 	int ret;
7814 
7815 	if (!phydev) {
7816 		if (hnae3_dev_phy_imp_supported(hdev))
7817 			return hclge_set_common_loopback(hdev, en,
7818 							 HNAE3_LOOP_PHY);
7819 		return -ENOTSUPP;
7820 	}
7821 
7822 	if (en)
7823 		ret = hclge_enable_phy_loopback(hdev, phydev);
7824 	else
7825 		ret = hclge_disable_phy_loopback(hdev, phydev);
7826 	if (ret) {
7827 		dev_err(&hdev->pdev->dev,
7828 			"set phy loopback fail, ret = %d\n", ret);
7829 		return ret;
7830 	}
7831 
7832 	hclge_cfg_mac_mode(hdev, en);
7833 
7834 	ret = hclge_mac_phy_link_status_wait(hdev, en, true);
7835 	if (ret)
7836 		dev_err(&hdev->pdev->dev,
7837 			"phy loopback config mac mode timeout\n");
7838 
7839 	return ret;
7840 }
7841 
hclge_tqp_enable_cmd_send(struct hclge_dev * hdev,u16 tqp_id,u16 stream_id,bool enable)7842 static int hclge_tqp_enable_cmd_send(struct hclge_dev *hdev, u16 tqp_id,
7843 				     u16 stream_id, bool enable)
7844 {
7845 	struct hclge_desc desc;
7846 	struct hclge_cfg_com_tqp_queue_cmd *req =
7847 		(struct hclge_cfg_com_tqp_queue_cmd *)desc.data;
7848 
7849 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_COM_TQP_QUEUE, false);
7850 	req->tqp_id = cpu_to_le16(tqp_id);
7851 	req->stream_id = cpu_to_le16(stream_id);
7852 	if (enable)
7853 		req->enable |= 1U << HCLGE_TQP_ENABLE_B;
7854 
7855 	return hclge_cmd_send(&hdev->hw, &desc, 1);
7856 }
7857 
hclge_tqp_enable(struct hnae3_handle * handle,bool enable)7858 static int hclge_tqp_enable(struct hnae3_handle *handle, bool enable)
7859 {
7860 	struct hclge_vport *vport = hclge_get_vport(handle);
7861 	struct hclge_dev *hdev = vport->back;
7862 	int ret;
7863 	u16 i;
7864 
7865 	for (i = 0; i < handle->kinfo.num_tqps; i++) {
7866 		ret = hclge_tqp_enable_cmd_send(hdev, i, 0, enable);
7867 		if (ret)
7868 			return ret;
7869 	}
7870 	return 0;
7871 }
7872 
hclge_set_loopback(struct hnae3_handle * handle,enum hnae3_loop loop_mode,bool en)7873 static int hclge_set_loopback(struct hnae3_handle *handle,
7874 			      enum hnae3_loop loop_mode, bool en)
7875 {
7876 	struct hclge_vport *vport = hclge_get_vport(handle);
7877 	struct hclge_dev *hdev = vport->back;
7878 	int ret = 0;
7879 
7880 	/* Loopback can be enabled in three places: SSU, MAC, and serdes. By
7881 	 * default, SSU loopback is enabled, so if the SMAC and the DMAC are
7882 	 * the same, the packets are looped back in the SSU. If SSU loopback
7883 	 * is disabled, packets can reach MAC even if SMAC is the same as DMAC.
7884 	 */
7885 	if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
7886 		u8 switch_param = en ? 0 : BIT(HCLGE_SWITCH_ALW_LPBK_B);
7887 
7888 		ret = hclge_config_switch_param(hdev, PF_VPORT_ID, switch_param,
7889 						HCLGE_SWITCH_ALW_LPBK_MASK);
7890 		if (ret)
7891 			return ret;
7892 	}
7893 
7894 	switch (loop_mode) {
7895 	case HNAE3_LOOP_APP:
7896 		ret = hclge_set_app_loopback(hdev, en);
7897 		break;
7898 	case HNAE3_LOOP_SERIAL_SERDES:
7899 	case HNAE3_LOOP_PARALLEL_SERDES:
7900 		ret = hclge_set_common_loopback(hdev, en, loop_mode);
7901 		break;
7902 	case HNAE3_LOOP_PHY:
7903 		ret = hclge_set_phy_loopback(hdev, en);
7904 		break;
7905 	case HNAE3_LOOP_EXTERNAL:
7906 		break;
7907 	default:
7908 		ret = -ENOTSUPP;
7909 		dev_err(&hdev->pdev->dev,
7910 			"loop_mode %d is not supported\n", loop_mode);
7911 		break;
7912 	}
7913 
7914 	if (ret)
7915 		return ret;
7916 
7917 	ret = hclge_tqp_enable(handle, en);
7918 	if (ret)
7919 		dev_err(&hdev->pdev->dev, "failed to %s tqp in loopback, ret = %d\n",
7920 			en ? "enable" : "disable", ret);
7921 
7922 	return ret;
7923 }
7924 
hclge_set_default_loopback(struct hclge_dev * hdev)7925 static int hclge_set_default_loopback(struct hclge_dev *hdev)
7926 {
7927 	int ret;
7928 
7929 	ret = hclge_set_app_loopback(hdev, false);
7930 	if (ret)
7931 		return ret;
7932 
7933 	ret = hclge_cfg_common_loopback(hdev, false, HNAE3_LOOP_SERIAL_SERDES);
7934 	if (ret)
7935 		return ret;
7936 
7937 	return hclge_cfg_common_loopback(hdev, false,
7938 					 HNAE3_LOOP_PARALLEL_SERDES);
7939 }
7940 
hclge_flush_link_update(struct hclge_dev * hdev)7941 static void hclge_flush_link_update(struct hclge_dev *hdev)
7942 {
7943 #define HCLGE_FLUSH_LINK_TIMEOUT	100000
7944 
7945 	unsigned long last = hdev->serv_processed_cnt;
7946 	int i = 0;
7947 
7948 	while (test_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state) &&
7949 	       i++ < HCLGE_FLUSH_LINK_TIMEOUT &&
7950 	       last == hdev->serv_processed_cnt)
7951 		usleep_range(1, 1);
7952 }
7953 
hclge_set_timer_task(struct hnae3_handle * handle,bool enable)7954 static void hclge_set_timer_task(struct hnae3_handle *handle, bool enable)
7955 {
7956 	struct hclge_vport *vport = hclge_get_vport(handle);
7957 	struct hclge_dev *hdev = vport->back;
7958 
7959 	if (enable) {
7960 		hclge_task_schedule(hdev, 0);
7961 	} else {
7962 		/* Set the DOWN flag here to disable link updating */
7963 		set_bit(HCLGE_STATE_DOWN, &hdev->state);
7964 
7965 		smp_mb__after_atomic(); /* flush memory to make sure DOWN is seen by service task */
7966 		hclge_flush_link_update(hdev);
7967 	}
7968 }
7969 
hclge_ae_start(struct hnae3_handle * handle)7970 static int hclge_ae_start(struct hnae3_handle *handle)
7971 {
7972 	struct hclge_vport *vport = hclge_get_vport(handle);
7973 	struct hclge_dev *hdev = vport->back;
7974 
7975 	/* mac enable */
7976 	hclge_cfg_mac_mode(hdev, true);
7977 	clear_bit(HCLGE_STATE_DOWN, &hdev->state);
7978 	hdev->hw.mac.link = 0;
7979 
7980 	/* reset tqp stats */
7981 	hclge_comm_reset_tqp_stats(handle);
7982 
7983 	hclge_mac_start_phy(hdev);
7984 
7985 	return 0;
7986 }
7987 
hclge_ae_stop(struct hnae3_handle * handle)7988 static void hclge_ae_stop(struct hnae3_handle *handle)
7989 {
7990 	struct hclge_vport *vport = hclge_get_vport(handle);
7991 	struct hclge_dev *hdev = vport->back;
7992 
7993 	set_bit(HCLGE_STATE_DOWN, &hdev->state);
7994 	spin_lock_bh(&hdev->fd_rule_lock);
7995 	hclge_clear_arfs_rules(hdev);
7996 	spin_unlock_bh(&hdev->fd_rule_lock);
7997 
7998 	/* If it is not PF reset or FLR, the firmware will disable the MAC,
7999 	 * so it only need to stop phy here.
8000 	 */
8001 	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) {
8002 		hclge_pfc_pause_en_cfg(hdev, HCLGE_PFC_TX_RX_DISABLE,
8003 				       HCLGE_PFC_DISABLE);
8004 		if (hdev->reset_type != HNAE3_FUNC_RESET &&
8005 		    hdev->reset_type != HNAE3_FLR_RESET) {
8006 			hclge_mac_stop_phy(hdev);
8007 			hclge_update_link_status(hdev);
8008 			return;
8009 		}
8010 	}
8011 
8012 	hclge_reset_tqp(handle);
8013 
8014 	hclge_config_mac_tnl_int(hdev, false);
8015 
8016 	/* Mac disable */
8017 	hclge_cfg_mac_mode(hdev, false);
8018 
8019 	hclge_mac_stop_phy(hdev);
8020 
8021 	/* reset tqp stats */
8022 	hclge_comm_reset_tqp_stats(handle);
8023 	hclge_update_link_status(hdev);
8024 }
8025 
hclge_vport_start(struct hclge_vport * vport)8026 int hclge_vport_start(struct hclge_vport *vport)
8027 {
8028 	struct hclge_dev *hdev = vport->back;
8029 
8030 	set_bit(HCLGE_VPORT_STATE_INITED, &vport->state);
8031 	set_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
8032 	set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
8033 	vport->last_active_jiffies = jiffies;
8034 	vport->need_notify = 0;
8035 
8036 	if (test_bit(vport->vport_id, hdev->vport_config_block)) {
8037 		if (vport->vport_id) {
8038 			hclge_restore_mac_table_common(vport);
8039 			hclge_restore_vport_vlan_table(vport);
8040 		} else {
8041 			hclge_restore_hw_table(hdev);
8042 		}
8043 	}
8044 
8045 	clear_bit(vport->vport_id, hdev->vport_config_block);
8046 
8047 	return 0;
8048 }
8049 
hclge_vport_stop(struct hclge_vport * vport)8050 void hclge_vport_stop(struct hclge_vport *vport)
8051 {
8052 	clear_bit(HCLGE_VPORT_STATE_INITED, &vport->state);
8053 	clear_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
8054 	vport->need_notify = 0;
8055 }
8056 
hclge_client_start(struct hnae3_handle * handle)8057 static int hclge_client_start(struct hnae3_handle *handle)
8058 {
8059 	struct hclge_vport *vport = hclge_get_vport(handle);
8060 
8061 	return hclge_vport_start(vport);
8062 }
8063 
hclge_client_stop(struct hnae3_handle * handle)8064 static void hclge_client_stop(struct hnae3_handle *handle)
8065 {
8066 	struct hclge_vport *vport = hclge_get_vport(handle);
8067 
8068 	hclge_vport_stop(vport);
8069 }
8070 
hclge_get_mac_vlan_cmd_status(struct hclge_vport * vport,u16 cmdq_resp,u8 resp_code,enum hclge_mac_vlan_tbl_opcode op)8071 static int hclge_get_mac_vlan_cmd_status(struct hclge_vport *vport,
8072 					 u16 cmdq_resp, u8  resp_code,
8073 					 enum hclge_mac_vlan_tbl_opcode op)
8074 {
8075 	struct hclge_dev *hdev = vport->back;
8076 
8077 	if (cmdq_resp) {
8078 		dev_err(&hdev->pdev->dev,
8079 			"cmdq execute failed for get_mac_vlan_cmd_status,status=%u.\n",
8080 			cmdq_resp);
8081 		return -EIO;
8082 	}
8083 
8084 	if (op == HCLGE_MAC_VLAN_ADD) {
8085 		if (!resp_code || resp_code == 1)
8086 			return 0;
8087 		else if (resp_code == HCLGE_ADD_UC_OVERFLOW ||
8088 			 resp_code == HCLGE_ADD_MC_OVERFLOW)
8089 			return -ENOSPC;
8090 
8091 		dev_err(&hdev->pdev->dev,
8092 			"add mac addr failed for undefined, code=%u.\n",
8093 			resp_code);
8094 		return -EIO;
8095 	} else if (op == HCLGE_MAC_VLAN_REMOVE) {
8096 		if (!resp_code) {
8097 			return 0;
8098 		} else if (resp_code == 1) {
8099 			dev_dbg(&hdev->pdev->dev,
8100 				"remove mac addr failed for miss.\n");
8101 			return -ENOENT;
8102 		}
8103 
8104 		dev_err(&hdev->pdev->dev,
8105 			"remove mac addr failed for undefined, code=%u.\n",
8106 			resp_code);
8107 		return -EIO;
8108 	} else if (op == HCLGE_MAC_VLAN_LKUP) {
8109 		if (!resp_code) {
8110 			return 0;
8111 		} else if (resp_code == 1) {
8112 			dev_dbg(&hdev->pdev->dev,
8113 				"lookup mac addr failed for miss.\n");
8114 			return -ENOENT;
8115 		}
8116 
8117 		dev_err(&hdev->pdev->dev,
8118 			"lookup mac addr failed for undefined, code=%u.\n",
8119 			resp_code);
8120 		return -EIO;
8121 	}
8122 
8123 	dev_err(&hdev->pdev->dev,
8124 		"unknown opcode for get_mac_vlan_cmd_status, opcode=%d.\n", op);
8125 
8126 	return -EINVAL;
8127 }
8128 
hclge_update_desc_vfid(struct hclge_desc * desc,int vfid,bool clr)8129 static int hclge_update_desc_vfid(struct hclge_desc *desc, int vfid, bool clr)
8130 {
8131 #define HCLGE_VF_NUM_IN_FIRST_DESC 192
8132 
8133 	unsigned int word_num;
8134 	unsigned int bit_num;
8135 
8136 	if (vfid > 255 || vfid < 0)
8137 		return -EIO;
8138 
8139 	if (vfid >= 0 && vfid < HCLGE_VF_NUM_IN_FIRST_DESC) {
8140 		word_num = vfid / 32;
8141 		bit_num  = vfid % 32;
8142 		if (clr)
8143 			desc[1].data[word_num] &= cpu_to_le32(~(1 << bit_num));
8144 		else
8145 			desc[1].data[word_num] |= cpu_to_le32(1 << bit_num);
8146 	} else {
8147 		word_num = (vfid - HCLGE_VF_NUM_IN_FIRST_DESC) / 32;
8148 		bit_num  = vfid % 32;
8149 		if (clr)
8150 			desc[2].data[word_num] &= cpu_to_le32(~(1 << bit_num));
8151 		else
8152 			desc[2].data[word_num] |= cpu_to_le32(1 << bit_num);
8153 	}
8154 
8155 	return 0;
8156 }
8157 
hclge_is_all_function_id_zero(struct hclge_desc * desc)8158 static bool hclge_is_all_function_id_zero(struct hclge_desc *desc)
8159 {
8160 #define HCLGE_DESC_NUMBER 3
8161 #define HCLGE_FUNC_NUMBER_PER_DESC 6
8162 	int i, j;
8163 
8164 	for (i = 1; i < HCLGE_DESC_NUMBER; i++)
8165 		for (j = 0; j < HCLGE_FUNC_NUMBER_PER_DESC; j++)
8166 			if (desc[i].data[j])
8167 				return false;
8168 
8169 	return true;
8170 }
8171 
hclge_prepare_mac_addr(struct hclge_mac_vlan_tbl_entry_cmd * new_req,const u8 * addr,bool is_mc)8172 static void hclge_prepare_mac_addr(struct hclge_mac_vlan_tbl_entry_cmd *new_req,
8173 				   const u8 *addr, bool is_mc)
8174 {
8175 	const unsigned char *mac_addr = addr;
8176 	u32 high_val = mac_addr[2] << 16 | (mac_addr[3] << 24) |
8177 		       (mac_addr[0]) | (mac_addr[1] << 8);
8178 	u32 low_val  = mac_addr[4] | (mac_addr[5] << 8);
8179 
8180 	hnae3_set_bit(new_req->flags, HCLGE_MAC_VLAN_BIT0_EN_B, 1);
8181 	if (is_mc) {
8182 		hnae3_set_bit(new_req->entry_type, HCLGE_MAC_VLAN_BIT1_EN_B, 1);
8183 		hnae3_set_bit(new_req->mc_mac_en, HCLGE_MAC_VLAN_BIT0_EN_B, 1);
8184 	}
8185 
8186 	new_req->mac_addr_hi32 = cpu_to_le32(high_val);
8187 	new_req->mac_addr_lo16 = cpu_to_le16(low_val & 0xffff);
8188 }
8189 
hclge_remove_mac_vlan_tbl(struct hclge_vport * vport,struct hclge_mac_vlan_tbl_entry_cmd * req)8190 static int hclge_remove_mac_vlan_tbl(struct hclge_vport *vport,
8191 				     struct hclge_mac_vlan_tbl_entry_cmd *req)
8192 {
8193 	struct hclge_dev *hdev = vport->back;
8194 	struct hclge_desc desc;
8195 	u8 resp_code;
8196 	u16 retval;
8197 	int ret;
8198 
8199 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_REMOVE, false);
8200 
8201 	memcpy(desc.data, req, sizeof(struct hclge_mac_vlan_tbl_entry_cmd));
8202 
8203 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
8204 	if (ret) {
8205 		dev_err(&hdev->pdev->dev,
8206 			"del mac addr failed for cmd_send, ret =%d.\n",
8207 			ret);
8208 		return ret;
8209 	}
8210 	resp_code = (le32_to_cpu(desc.data[0]) >> 8) & 0xff;
8211 	retval = le16_to_cpu(desc.retval);
8212 
8213 	return hclge_get_mac_vlan_cmd_status(vport, retval, resp_code,
8214 					     HCLGE_MAC_VLAN_REMOVE);
8215 }
8216 
hclge_lookup_mac_vlan_tbl(struct hclge_vport * vport,struct hclge_mac_vlan_tbl_entry_cmd * req,struct hclge_desc * desc,bool is_mc)8217 static int hclge_lookup_mac_vlan_tbl(struct hclge_vport *vport,
8218 				     struct hclge_mac_vlan_tbl_entry_cmd *req,
8219 				     struct hclge_desc *desc,
8220 				     bool is_mc)
8221 {
8222 	struct hclge_dev *hdev = vport->back;
8223 	u8 resp_code;
8224 	u16 retval;
8225 	int ret;
8226 
8227 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_MAC_VLAN_ADD, true);
8228 	if (is_mc) {
8229 		desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
8230 		memcpy(desc[0].data,
8231 		       req,
8232 		       sizeof(struct hclge_mac_vlan_tbl_entry_cmd));
8233 		hclge_cmd_setup_basic_desc(&desc[1],
8234 					   HCLGE_OPC_MAC_VLAN_ADD,
8235 					   true);
8236 		desc[1].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
8237 		hclge_cmd_setup_basic_desc(&desc[2],
8238 					   HCLGE_OPC_MAC_VLAN_ADD,
8239 					   true);
8240 		ret = hclge_cmd_send(&hdev->hw, desc, 3);
8241 	} else {
8242 		memcpy(desc[0].data,
8243 		       req,
8244 		       sizeof(struct hclge_mac_vlan_tbl_entry_cmd));
8245 		ret = hclge_cmd_send(&hdev->hw, desc, 1);
8246 	}
8247 	if (ret) {
8248 		dev_err(&hdev->pdev->dev,
8249 			"lookup mac addr failed for cmd_send, ret =%d.\n",
8250 			ret);
8251 		return ret;
8252 	}
8253 	resp_code = (le32_to_cpu(desc[0].data[0]) >> 8) & 0xff;
8254 	retval = le16_to_cpu(desc[0].retval);
8255 
8256 	return hclge_get_mac_vlan_cmd_status(vport, retval, resp_code,
8257 					     HCLGE_MAC_VLAN_LKUP);
8258 }
8259 
hclge_add_mac_vlan_tbl(struct hclge_vport * vport,struct hclge_mac_vlan_tbl_entry_cmd * req,struct hclge_desc * mc_desc)8260 static int hclge_add_mac_vlan_tbl(struct hclge_vport *vport,
8261 				  struct hclge_mac_vlan_tbl_entry_cmd *req,
8262 				  struct hclge_desc *mc_desc)
8263 {
8264 	struct hclge_dev *hdev = vport->back;
8265 	int cfg_status;
8266 	u8 resp_code;
8267 	u16 retval;
8268 	int ret;
8269 
8270 	if (!mc_desc) {
8271 		struct hclge_desc desc;
8272 
8273 		hclge_cmd_setup_basic_desc(&desc,
8274 					   HCLGE_OPC_MAC_VLAN_ADD,
8275 					   false);
8276 		memcpy(desc.data, req,
8277 		       sizeof(struct hclge_mac_vlan_tbl_entry_cmd));
8278 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
8279 		resp_code = (le32_to_cpu(desc.data[0]) >> 8) & 0xff;
8280 		retval = le16_to_cpu(desc.retval);
8281 
8282 		cfg_status = hclge_get_mac_vlan_cmd_status(vport, retval,
8283 							   resp_code,
8284 							   HCLGE_MAC_VLAN_ADD);
8285 	} else {
8286 		hclge_comm_cmd_reuse_desc(&mc_desc[0], false);
8287 		mc_desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
8288 		hclge_comm_cmd_reuse_desc(&mc_desc[1], false);
8289 		mc_desc[1].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
8290 		hclge_comm_cmd_reuse_desc(&mc_desc[2], false);
8291 		mc_desc[2].flag &= cpu_to_le16(~HCLGE_COMM_CMD_FLAG_NEXT);
8292 		memcpy(mc_desc[0].data, req,
8293 		       sizeof(struct hclge_mac_vlan_tbl_entry_cmd));
8294 		ret = hclge_cmd_send(&hdev->hw, mc_desc, 3);
8295 		resp_code = (le32_to_cpu(mc_desc[0].data[0]) >> 8) & 0xff;
8296 		retval = le16_to_cpu(mc_desc[0].retval);
8297 
8298 		cfg_status = hclge_get_mac_vlan_cmd_status(vport, retval,
8299 							   resp_code,
8300 							   HCLGE_MAC_VLAN_ADD);
8301 	}
8302 
8303 	if (ret) {
8304 		dev_err(&hdev->pdev->dev,
8305 			"add mac addr failed for cmd_send, ret =%d.\n",
8306 			ret);
8307 		return ret;
8308 	}
8309 
8310 	return cfg_status;
8311 }
8312 
hclge_set_umv_space(struct hclge_dev * hdev,u16 space_size,u16 * allocated_size)8313 static int hclge_set_umv_space(struct hclge_dev *hdev, u16 space_size,
8314 			       u16 *allocated_size)
8315 {
8316 	struct hclge_umv_spc_alc_cmd *req;
8317 	struct hclge_desc desc;
8318 	int ret;
8319 
8320 	req = (struct hclge_umv_spc_alc_cmd *)desc.data;
8321 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_ALLOCATE, false);
8322 
8323 	req->space_size = cpu_to_le32(space_size);
8324 
8325 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
8326 	if (ret) {
8327 		dev_err(&hdev->pdev->dev, "failed to set umv space, ret = %d\n",
8328 			ret);
8329 		return ret;
8330 	}
8331 
8332 	*allocated_size = le32_to_cpu(desc.data[1]);
8333 
8334 	return 0;
8335 }
8336 
hclge_init_umv_space(struct hclge_dev * hdev)8337 static int hclge_init_umv_space(struct hclge_dev *hdev)
8338 {
8339 	u16 allocated_size = 0;
8340 	int ret;
8341 
8342 	ret = hclge_set_umv_space(hdev, hdev->wanted_umv_size, &allocated_size);
8343 	if (ret)
8344 		return ret;
8345 
8346 	if (allocated_size < hdev->wanted_umv_size)
8347 		dev_warn(&hdev->pdev->dev,
8348 			 "failed to alloc umv space, want %u, get %u\n",
8349 			 hdev->wanted_umv_size, allocated_size);
8350 
8351 	hdev->max_umv_size = allocated_size;
8352 	hdev->priv_umv_size = hdev->max_umv_size / (hdev->num_alloc_vport + 1);
8353 	hdev->share_umv_size = hdev->priv_umv_size +
8354 			hdev->max_umv_size % (hdev->num_alloc_vport + 1);
8355 
8356 	if (hdev->ae_dev->dev_specs.mc_mac_size)
8357 		set_bit(HNAE3_DEV_SUPPORT_MC_MAC_MNG_B, hdev->ae_dev->caps);
8358 
8359 	return 0;
8360 }
8361 
hclge_reset_umv_space(struct hclge_dev * hdev)8362 static void hclge_reset_umv_space(struct hclge_dev *hdev)
8363 {
8364 	struct hclge_vport *vport;
8365 	int i;
8366 
8367 	for (i = 0; i < hdev->num_alloc_vport; i++) {
8368 		vport = &hdev->vport[i];
8369 		vport->used_umv_num = 0;
8370 	}
8371 
8372 	mutex_lock(&hdev->vport_lock);
8373 	hdev->share_umv_size = hdev->priv_umv_size +
8374 			hdev->max_umv_size % (hdev->num_alloc_vport + 1);
8375 	mutex_unlock(&hdev->vport_lock);
8376 
8377 	hdev->used_mc_mac_num = 0;
8378 }
8379 
hclge_is_umv_space_full(struct hclge_vport * vport,bool need_lock)8380 static bool hclge_is_umv_space_full(struct hclge_vport *vport, bool need_lock)
8381 {
8382 	struct hclge_dev *hdev = vport->back;
8383 	bool is_full;
8384 
8385 	if (need_lock)
8386 		mutex_lock(&hdev->vport_lock);
8387 
8388 	is_full = (vport->used_umv_num >= hdev->priv_umv_size &&
8389 		   hdev->share_umv_size == 0);
8390 
8391 	if (need_lock)
8392 		mutex_unlock(&hdev->vport_lock);
8393 
8394 	return is_full;
8395 }
8396 
hclge_update_umv_space(struct hclge_vport * vport,bool is_free)8397 static void hclge_update_umv_space(struct hclge_vport *vport, bool is_free)
8398 {
8399 	struct hclge_dev *hdev = vport->back;
8400 
8401 	if (is_free) {
8402 		if (vport->used_umv_num > hdev->priv_umv_size)
8403 			hdev->share_umv_size++;
8404 
8405 		if (vport->used_umv_num > 0)
8406 			vport->used_umv_num--;
8407 	} else {
8408 		if (vport->used_umv_num >= hdev->priv_umv_size &&
8409 		    hdev->share_umv_size > 0)
8410 			hdev->share_umv_size--;
8411 		vport->used_umv_num++;
8412 	}
8413 }
8414 
hclge_find_mac_node(struct list_head * list,const u8 * mac_addr)8415 static struct hclge_mac_node *hclge_find_mac_node(struct list_head *list,
8416 						  const u8 *mac_addr)
8417 {
8418 	struct hclge_mac_node *mac_node, *tmp;
8419 
8420 	list_for_each_entry_safe(mac_node, tmp, list, node)
8421 		if (ether_addr_equal(mac_addr, mac_node->mac_addr))
8422 			return mac_node;
8423 
8424 	return NULL;
8425 }
8426 
hclge_update_mac_node(struct hclge_mac_node * mac_node,enum HCLGE_MAC_NODE_STATE state)8427 static void hclge_update_mac_node(struct hclge_mac_node *mac_node,
8428 				  enum HCLGE_MAC_NODE_STATE state)
8429 {
8430 	switch (state) {
8431 	/* from set_rx_mode or tmp_add_list */
8432 	case HCLGE_MAC_TO_ADD:
8433 		if (mac_node->state == HCLGE_MAC_TO_DEL)
8434 			mac_node->state = HCLGE_MAC_ACTIVE;
8435 		break;
8436 	/* only from set_rx_mode */
8437 	case HCLGE_MAC_TO_DEL:
8438 		if (mac_node->state == HCLGE_MAC_TO_ADD) {
8439 			list_del(&mac_node->node);
8440 			kfree(mac_node);
8441 		} else {
8442 			mac_node->state = HCLGE_MAC_TO_DEL;
8443 		}
8444 		break;
8445 	/* only from tmp_add_list, the mac_node->state won't be
8446 	 * ACTIVE.
8447 	 */
8448 	case HCLGE_MAC_ACTIVE:
8449 		if (mac_node->state == HCLGE_MAC_TO_ADD)
8450 			mac_node->state = HCLGE_MAC_ACTIVE;
8451 
8452 		break;
8453 	}
8454 }
8455 
hclge_update_mac_list(struct hclge_vport * vport,enum HCLGE_MAC_NODE_STATE state,enum HCLGE_MAC_ADDR_TYPE mac_type,const unsigned char * addr)8456 int hclge_update_mac_list(struct hclge_vport *vport,
8457 			  enum HCLGE_MAC_NODE_STATE state,
8458 			  enum HCLGE_MAC_ADDR_TYPE mac_type,
8459 			  const unsigned char *addr)
8460 {
8461 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
8462 	struct hclge_dev *hdev = vport->back;
8463 	struct hclge_mac_node *mac_node;
8464 	struct list_head *list;
8465 
8466 	list = (mac_type == HCLGE_MAC_ADDR_UC) ?
8467 		&vport->uc_mac_list : &vport->mc_mac_list;
8468 
8469 	spin_lock_bh(&vport->mac_list_lock);
8470 
8471 	/* if the mac addr is already in the mac list, no need to add a new
8472 	 * one into it, just check the mac addr state, convert it to a new
8473 	 * state, or just remove it, or do nothing.
8474 	 */
8475 	mac_node = hclge_find_mac_node(list, addr);
8476 	if (mac_node) {
8477 		hclge_update_mac_node(mac_node, state);
8478 		spin_unlock_bh(&vport->mac_list_lock);
8479 		set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
8480 		return 0;
8481 	}
8482 
8483 	/* if this address is never added, unnecessary to delete */
8484 	if (state == HCLGE_MAC_TO_DEL) {
8485 		spin_unlock_bh(&vport->mac_list_lock);
8486 		hnae3_format_mac_addr(format_mac_addr, addr);
8487 		dev_err(&hdev->pdev->dev,
8488 			"failed to delete address %s from mac list\n",
8489 			format_mac_addr);
8490 		return -ENOENT;
8491 	}
8492 
8493 	mac_node = kzalloc(sizeof(*mac_node), GFP_ATOMIC);
8494 	if (!mac_node) {
8495 		spin_unlock_bh(&vport->mac_list_lock);
8496 		return -ENOMEM;
8497 	}
8498 
8499 	set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
8500 
8501 	mac_node->state = state;
8502 	ether_addr_copy(mac_node->mac_addr, addr);
8503 	list_add_tail(&mac_node->node, list);
8504 
8505 	spin_unlock_bh(&vport->mac_list_lock);
8506 
8507 	return 0;
8508 }
8509 
hclge_add_uc_addr(struct hnae3_handle * handle,const unsigned char * addr)8510 static int hclge_add_uc_addr(struct hnae3_handle *handle,
8511 			     const unsigned char *addr)
8512 {
8513 	struct hclge_vport *vport = hclge_get_vport(handle);
8514 
8515 	return hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD, HCLGE_MAC_ADDR_UC,
8516 				     addr);
8517 }
8518 
hclge_add_uc_addr_common(struct hclge_vport * vport,const unsigned char * addr)8519 int hclge_add_uc_addr_common(struct hclge_vport *vport,
8520 			     const unsigned char *addr)
8521 {
8522 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
8523 	struct hclge_dev *hdev = vport->back;
8524 	struct hclge_mac_vlan_tbl_entry_cmd req;
8525 	struct hclge_desc desc;
8526 	u16 egress_port = 0;
8527 	int ret;
8528 
8529 	/* mac addr check */
8530 	if (is_zero_ether_addr(addr) ||
8531 	    is_broadcast_ether_addr(addr) ||
8532 	    is_multicast_ether_addr(addr)) {
8533 		hnae3_format_mac_addr(format_mac_addr, addr);
8534 		dev_err(&hdev->pdev->dev,
8535 			"Set_uc mac err! invalid mac:%s. is_zero:%d,is_br=%d,is_mul=%d\n",
8536 			 format_mac_addr, is_zero_ether_addr(addr),
8537 			 is_broadcast_ether_addr(addr),
8538 			 is_multicast_ether_addr(addr));
8539 		return -EINVAL;
8540 	}
8541 
8542 	memset(&req, 0, sizeof(req));
8543 
8544 	hnae3_set_field(egress_port, HCLGE_MAC_EPORT_VFID_M,
8545 			HCLGE_MAC_EPORT_VFID_S, vport->vport_id);
8546 
8547 	req.egress_port = cpu_to_le16(egress_port);
8548 
8549 	hclge_prepare_mac_addr(&req, addr, false);
8550 
8551 	/* Lookup the mac address in the mac_vlan table, and add
8552 	 * it if the entry is inexistent. Repeated unicast entry
8553 	 * is not allowed in the mac vlan table.
8554 	 */
8555 	ret = hclge_lookup_mac_vlan_tbl(vport, &req, &desc, false);
8556 	if (ret == -ENOENT) {
8557 		mutex_lock(&hdev->vport_lock);
8558 		if (!hclge_is_umv_space_full(vport, false)) {
8559 			ret = hclge_add_mac_vlan_tbl(vport, &req, NULL);
8560 			if (!ret)
8561 				hclge_update_umv_space(vport, false);
8562 			mutex_unlock(&hdev->vport_lock);
8563 			return ret;
8564 		}
8565 		mutex_unlock(&hdev->vport_lock);
8566 
8567 		if (!(vport->overflow_promisc_flags & HNAE3_OVERFLOW_UPE))
8568 			dev_err(&hdev->pdev->dev, "UC MAC table full(%u)\n",
8569 				hdev->priv_umv_size);
8570 
8571 		return -ENOSPC;
8572 	}
8573 
8574 	/* check if we just hit the duplicate */
8575 	if (!ret)
8576 		return -EEXIST;
8577 
8578 	return ret;
8579 }
8580 
hclge_rm_uc_addr(struct hnae3_handle * handle,const unsigned char * addr)8581 static int hclge_rm_uc_addr(struct hnae3_handle *handle,
8582 			    const unsigned char *addr)
8583 {
8584 	struct hclge_vport *vport = hclge_get_vport(handle);
8585 
8586 	return hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL, HCLGE_MAC_ADDR_UC,
8587 				     addr);
8588 }
8589 
hclge_rm_uc_addr_common(struct hclge_vport * vport,const unsigned char * addr)8590 int hclge_rm_uc_addr_common(struct hclge_vport *vport,
8591 			    const unsigned char *addr)
8592 {
8593 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
8594 	struct hclge_dev *hdev = vport->back;
8595 	struct hclge_mac_vlan_tbl_entry_cmd req;
8596 	int ret;
8597 
8598 	/* mac addr check */
8599 	if (is_zero_ether_addr(addr) ||
8600 	    is_broadcast_ether_addr(addr) ||
8601 	    is_multicast_ether_addr(addr)) {
8602 		hnae3_format_mac_addr(format_mac_addr, addr);
8603 		dev_dbg(&hdev->pdev->dev, "Remove mac err! invalid mac:%s.\n",
8604 			format_mac_addr);
8605 		return -EINVAL;
8606 	}
8607 
8608 	memset(&req, 0, sizeof(req));
8609 	hnae3_set_bit(req.entry_type, HCLGE_MAC_VLAN_BIT0_EN_B, 0);
8610 	hclge_prepare_mac_addr(&req, addr, false);
8611 	ret = hclge_remove_mac_vlan_tbl(vport, &req);
8612 	if (!ret || ret == -ENOENT) {
8613 		mutex_lock(&hdev->vport_lock);
8614 		hclge_update_umv_space(vport, true);
8615 		mutex_unlock(&hdev->vport_lock);
8616 		return 0;
8617 	}
8618 
8619 	return ret;
8620 }
8621 
hclge_add_mc_addr(struct hnae3_handle * handle,const unsigned char * addr)8622 static int hclge_add_mc_addr(struct hnae3_handle *handle,
8623 			     const unsigned char *addr)
8624 {
8625 	struct hclge_vport *vport = hclge_get_vport(handle);
8626 
8627 	return hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD, HCLGE_MAC_ADDR_MC,
8628 				     addr);
8629 }
8630 
hclge_add_mc_addr_common(struct hclge_vport * vport,const unsigned char * addr)8631 int hclge_add_mc_addr_common(struct hclge_vport *vport,
8632 			     const unsigned char *addr)
8633 {
8634 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
8635 	struct hclge_dev *hdev = vport->back;
8636 	struct hclge_mac_vlan_tbl_entry_cmd req;
8637 	struct hclge_desc desc[3];
8638 	bool is_new_addr = false;
8639 	int status;
8640 
8641 	/* mac addr check */
8642 	if (!is_multicast_ether_addr(addr)) {
8643 		hnae3_format_mac_addr(format_mac_addr, addr);
8644 		dev_err(&hdev->pdev->dev,
8645 			"Add mc mac err! invalid mac:%s.\n",
8646 			 format_mac_addr);
8647 		return -EINVAL;
8648 	}
8649 	memset(&req, 0, sizeof(req));
8650 	hclge_prepare_mac_addr(&req, addr, true);
8651 	status = hclge_lookup_mac_vlan_tbl(vport, &req, desc, true);
8652 	if (status) {
8653 		if (hnae3_ae_dev_mc_mac_mng_supported(hdev->ae_dev) &&
8654 		    hdev->used_mc_mac_num >=
8655 		    hdev->ae_dev->dev_specs.mc_mac_size)
8656 			goto err_no_space;
8657 
8658 		is_new_addr = true;
8659 
8660 		/* This mac addr do not exist, add new entry for it */
8661 		memset(desc[0].data, 0, sizeof(desc[0].data));
8662 		memset(desc[1].data, 0, sizeof(desc[0].data));
8663 		memset(desc[2].data, 0, sizeof(desc[0].data));
8664 	}
8665 	status = hclge_update_desc_vfid(desc, vport->vport_id, false);
8666 	if (status)
8667 		return status;
8668 	status = hclge_add_mac_vlan_tbl(vport, &req, desc);
8669 	if (status == -ENOSPC)
8670 		goto err_no_space;
8671 	else if (!status && is_new_addr)
8672 		hdev->used_mc_mac_num++;
8673 
8674 	return status;
8675 
8676 err_no_space:
8677 	/* if already overflow, not to print each time */
8678 	if (!(vport->overflow_promisc_flags & HNAE3_OVERFLOW_MPE)) {
8679 		vport->overflow_promisc_flags |= HNAE3_OVERFLOW_MPE;
8680 		dev_err(&hdev->pdev->dev, "mc mac vlan table is full\n");
8681 	}
8682 
8683 	return -ENOSPC;
8684 }
8685 
hclge_rm_mc_addr(struct hnae3_handle * handle,const unsigned char * addr)8686 static int hclge_rm_mc_addr(struct hnae3_handle *handle,
8687 			    const unsigned char *addr)
8688 {
8689 	struct hclge_vport *vport = hclge_get_vport(handle);
8690 
8691 	return hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL, HCLGE_MAC_ADDR_MC,
8692 				     addr);
8693 }
8694 
hclge_rm_mc_addr_common(struct hclge_vport * vport,const unsigned char * addr)8695 int hclge_rm_mc_addr_common(struct hclge_vport *vport,
8696 			    const unsigned char *addr)
8697 {
8698 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
8699 	struct hclge_dev *hdev = vport->back;
8700 	struct hclge_mac_vlan_tbl_entry_cmd req;
8701 	enum hclge_comm_cmd_status status;
8702 	struct hclge_desc desc[3];
8703 
8704 	/* mac addr check */
8705 	if (!is_multicast_ether_addr(addr)) {
8706 		hnae3_format_mac_addr(format_mac_addr, addr);
8707 		dev_dbg(&hdev->pdev->dev,
8708 			"Remove mc mac err! invalid mac:%s.\n",
8709 			 format_mac_addr);
8710 		return -EINVAL;
8711 	}
8712 
8713 	memset(&req, 0, sizeof(req));
8714 	hclge_prepare_mac_addr(&req, addr, true);
8715 	status = hclge_lookup_mac_vlan_tbl(vport, &req, desc, true);
8716 	if (!status) {
8717 		/* This mac addr exist, remove this handle's VFID for it */
8718 		status = hclge_update_desc_vfid(desc, vport->vport_id, true);
8719 		if (status)
8720 			return status;
8721 
8722 		if (hclge_is_all_function_id_zero(desc)) {
8723 			/* All the vfid is zero, so need to delete this entry */
8724 			status = hclge_remove_mac_vlan_tbl(vport, &req);
8725 			if (!status)
8726 				hdev->used_mc_mac_num--;
8727 		} else {
8728 			/* Not all the vfid is zero, update the vfid */
8729 			status = hclge_add_mac_vlan_tbl(vport, &req, desc);
8730 		}
8731 	} else if (status == -ENOENT) {
8732 		status = 0;
8733 	}
8734 
8735 	return status;
8736 }
8737 
hclge_sync_vport_mac_list(struct hclge_vport * vport,struct list_head * list,enum HCLGE_MAC_ADDR_TYPE mac_type)8738 static void hclge_sync_vport_mac_list(struct hclge_vport *vport,
8739 				      struct list_head *list,
8740 				      enum HCLGE_MAC_ADDR_TYPE mac_type)
8741 {
8742 	int (*sync)(struct hclge_vport *vport, const unsigned char *addr);
8743 	struct hclge_mac_node *mac_node, *tmp;
8744 	int ret;
8745 
8746 	if (mac_type == HCLGE_MAC_ADDR_UC)
8747 		sync = hclge_add_uc_addr_common;
8748 	else
8749 		sync = hclge_add_mc_addr_common;
8750 
8751 	list_for_each_entry_safe(mac_node, tmp, list, node) {
8752 		ret = sync(vport, mac_node->mac_addr);
8753 		if (!ret) {
8754 			mac_node->state = HCLGE_MAC_ACTIVE;
8755 		} else {
8756 			set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE,
8757 				&vport->state);
8758 
8759 			/* If one unicast mac address is existing in hardware,
8760 			 * we need to try whether other unicast mac addresses
8761 			 * are new addresses that can be added.
8762 			 * Multicast mac address can be reusable, even though
8763 			 * there is no space to add new multicast mac address,
8764 			 * we should check whether other mac addresses are
8765 			 * existing in hardware for reuse.
8766 			 */
8767 			if ((mac_type == HCLGE_MAC_ADDR_UC && ret != -EEXIST) ||
8768 			    (mac_type == HCLGE_MAC_ADDR_MC && ret != -ENOSPC))
8769 				break;
8770 		}
8771 	}
8772 }
8773 
hclge_unsync_vport_mac_list(struct hclge_vport * vport,struct list_head * list,enum HCLGE_MAC_ADDR_TYPE mac_type)8774 static void hclge_unsync_vport_mac_list(struct hclge_vport *vport,
8775 					struct list_head *list,
8776 					enum HCLGE_MAC_ADDR_TYPE mac_type)
8777 {
8778 	int (*unsync)(struct hclge_vport *vport, const unsigned char *addr);
8779 	struct hclge_mac_node *mac_node, *tmp;
8780 	int ret;
8781 
8782 	if (mac_type == HCLGE_MAC_ADDR_UC)
8783 		unsync = hclge_rm_uc_addr_common;
8784 	else
8785 		unsync = hclge_rm_mc_addr_common;
8786 
8787 	list_for_each_entry_safe(mac_node, tmp, list, node) {
8788 		ret = unsync(vport, mac_node->mac_addr);
8789 		if (!ret || ret == -ENOENT) {
8790 			list_del(&mac_node->node);
8791 			kfree(mac_node);
8792 		} else {
8793 			set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE,
8794 				&vport->state);
8795 			break;
8796 		}
8797 	}
8798 }
8799 
hclge_sync_from_add_list(struct list_head * add_list,struct list_head * mac_list)8800 static bool hclge_sync_from_add_list(struct list_head *add_list,
8801 				     struct list_head *mac_list)
8802 {
8803 	struct hclge_mac_node *mac_node, *tmp, *new_node;
8804 	bool all_added = true;
8805 
8806 	list_for_each_entry_safe(mac_node, tmp, add_list, node) {
8807 		if (mac_node->state == HCLGE_MAC_TO_ADD)
8808 			all_added = false;
8809 
8810 		/* if the mac address from tmp_add_list is not in the
8811 		 * uc/mc_mac_list, it means have received a TO_DEL request
8812 		 * during the time window of adding the mac address into mac
8813 		 * table. if mac_node state is ACTIVE, then change it to TO_DEL,
8814 		 * then it will be removed at next time. else it must be TO_ADD,
8815 		 * this address hasn't been added into mac table,
8816 		 * so just remove the mac node.
8817 		 */
8818 		new_node = hclge_find_mac_node(mac_list, mac_node->mac_addr);
8819 		if (new_node) {
8820 			hclge_update_mac_node(new_node, mac_node->state);
8821 			list_del(&mac_node->node);
8822 			kfree(mac_node);
8823 		} else if (mac_node->state == HCLGE_MAC_ACTIVE) {
8824 			mac_node->state = HCLGE_MAC_TO_DEL;
8825 			list_move_tail(&mac_node->node, mac_list);
8826 		} else {
8827 			list_del(&mac_node->node);
8828 			kfree(mac_node);
8829 		}
8830 	}
8831 
8832 	return all_added;
8833 }
8834 
hclge_sync_from_del_list(struct list_head * del_list,struct list_head * mac_list)8835 static void hclge_sync_from_del_list(struct list_head *del_list,
8836 				     struct list_head *mac_list)
8837 {
8838 	struct hclge_mac_node *mac_node, *tmp, *new_node;
8839 
8840 	list_for_each_entry_safe(mac_node, tmp, del_list, node) {
8841 		new_node = hclge_find_mac_node(mac_list, mac_node->mac_addr);
8842 		if (new_node) {
8843 			/* If the mac addr exists in the mac list, it means
8844 			 * received a new TO_ADD request during the time window
8845 			 * of configuring the mac address. For the mac node
8846 			 * state is TO_ADD, and the address is already in the
8847 			 * in the hardware(due to delete fail), so we just need
8848 			 * to change the mac node state to ACTIVE.
8849 			 */
8850 			new_node->state = HCLGE_MAC_ACTIVE;
8851 			list_del(&mac_node->node);
8852 			kfree(mac_node);
8853 		} else {
8854 			list_move_tail(&mac_node->node, mac_list);
8855 		}
8856 	}
8857 }
8858 
hclge_update_overflow_flags(struct hclge_vport * vport,enum HCLGE_MAC_ADDR_TYPE mac_type,bool is_all_added)8859 static void hclge_update_overflow_flags(struct hclge_vport *vport,
8860 					enum HCLGE_MAC_ADDR_TYPE mac_type,
8861 					bool is_all_added)
8862 {
8863 	if (mac_type == HCLGE_MAC_ADDR_UC) {
8864 		if (is_all_added)
8865 			vport->overflow_promisc_flags &= ~HNAE3_OVERFLOW_UPE;
8866 		else if (hclge_is_umv_space_full(vport, true))
8867 			vport->overflow_promisc_flags |= HNAE3_OVERFLOW_UPE;
8868 	} else {
8869 		if (is_all_added)
8870 			vport->overflow_promisc_flags &= ~HNAE3_OVERFLOW_MPE;
8871 		else
8872 			vport->overflow_promisc_flags |= HNAE3_OVERFLOW_MPE;
8873 	}
8874 }
8875 
hclge_sync_vport_mac_table(struct hclge_vport * vport,enum HCLGE_MAC_ADDR_TYPE mac_type)8876 static void hclge_sync_vport_mac_table(struct hclge_vport *vport,
8877 				       enum HCLGE_MAC_ADDR_TYPE mac_type)
8878 {
8879 	struct hclge_mac_node *mac_node, *tmp, *new_node;
8880 	struct list_head tmp_add_list, tmp_del_list;
8881 	struct list_head *list;
8882 	bool all_added;
8883 
8884 	INIT_LIST_HEAD(&tmp_add_list);
8885 	INIT_LIST_HEAD(&tmp_del_list);
8886 
8887 	/* move the mac addr to the tmp_add_list and tmp_del_list, then
8888 	 * we can add/delete these mac addr outside the spin lock
8889 	 */
8890 	list = (mac_type == HCLGE_MAC_ADDR_UC) ?
8891 		&vport->uc_mac_list : &vport->mc_mac_list;
8892 
8893 	spin_lock_bh(&vport->mac_list_lock);
8894 
8895 	list_for_each_entry_safe(mac_node, tmp, list, node) {
8896 		switch (mac_node->state) {
8897 		case HCLGE_MAC_TO_DEL:
8898 			list_move_tail(&mac_node->node, &tmp_del_list);
8899 			break;
8900 		case HCLGE_MAC_TO_ADD:
8901 			new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
8902 			if (!new_node)
8903 				goto stop_traverse;
8904 			ether_addr_copy(new_node->mac_addr, mac_node->mac_addr);
8905 			new_node->state = mac_node->state;
8906 			list_add_tail(&new_node->node, &tmp_add_list);
8907 			break;
8908 		default:
8909 			break;
8910 		}
8911 	}
8912 
8913 stop_traverse:
8914 	spin_unlock_bh(&vport->mac_list_lock);
8915 
8916 	/* delete first, in order to get max mac table space for adding */
8917 	hclge_unsync_vport_mac_list(vport, &tmp_del_list, mac_type);
8918 	hclge_sync_vport_mac_list(vport, &tmp_add_list, mac_type);
8919 
8920 	/* if some mac addresses were added/deleted fail, move back to the
8921 	 * mac_list, and retry at next time.
8922 	 */
8923 	spin_lock_bh(&vport->mac_list_lock);
8924 
8925 	hclge_sync_from_del_list(&tmp_del_list, list);
8926 	all_added = hclge_sync_from_add_list(&tmp_add_list, list);
8927 
8928 	spin_unlock_bh(&vport->mac_list_lock);
8929 
8930 	hclge_update_overflow_flags(vport, mac_type, all_added);
8931 }
8932 
hclge_need_sync_mac_table(struct hclge_vport * vport)8933 static bool hclge_need_sync_mac_table(struct hclge_vport *vport)
8934 {
8935 	struct hclge_dev *hdev = vport->back;
8936 
8937 	if (test_bit(vport->vport_id, hdev->vport_config_block))
8938 		return false;
8939 
8940 	if (test_and_clear_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state))
8941 		return true;
8942 
8943 	return false;
8944 }
8945 
hclge_sync_mac_table(struct hclge_dev * hdev)8946 static void hclge_sync_mac_table(struct hclge_dev *hdev)
8947 {
8948 	int i;
8949 
8950 	for (i = 0; i < hdev->num_alloc_vport; i++) {
8951 		struct hclge_vport *vport = &hdev->vport[i];
8952 
8953 		if (!hclge_need_sync_mac_table(vport))
8954 			continue;
8955 
8956 		hclge_sync_vport_mac_table(vport, HCLGE_MAC_ADDR_UC);
8957 		hclge_sync_vport_mac_table(vport, HCLGE_MAC_ADDR_MC);
8958 	}
8959 }
8960 
hclge_build_del_list(struct list_head * list,bool is_del_list,struct list_head * tmp_del_list)8961 static void hclge_build_del_list(struct list_head *list,
8962 				 bool is_del_list,
8963 				 struct list_head *tmp_del_list)
8964 {
8965 	struct hclge_mac_node *mac_cfg, *tmp;
8966 
8967 	list_for_each_entry_safe(mac_cfg, tmp, list, node) {
8968 		switch (mac_cfg->state) {
8969 		case HCLGE_MAC_TO_DEL:
8970 		case HCLGE_MAC_ACTIVE:
8971 			list_move_tail(&mac_cfg->node, tmp_del_list);
8972 			break;
8973 		case HCLGE_MAC_TO_ADD:
8974 			if (is_del_list) {
8975 				list_del(&mac_cfg->node);
8976 				kfree(mac_cfg);
8977 			}
8978 			break;
8979 		}
8980 	}
8981 }
8982 
hclge_unsync_del_list(struct hclge_vport * vport,int (* unsync)(struct hclge_vport * vport,const unsigned char * addr),bool is_del_list,struct list_head * tmp_del_list)8983 static void hclge_unsync_del_list(struct hclge_vport *vport,
8984 				  int (*unsync)(struct hclge_vport *vport,
8985 						const unsigned char *addr),
8986 				  bool is_del_list,
8987 				  struct list_head *tmp_del_list)
8988 {
8989 	struct hclge_mac_node *mac_cfg, *tmp;
8990 	int ret;
8991 
8992 	list_for_each_entry_safe(mac_cfg, tmp, tmp_del_list, node) {
8993 		ret = unsync(vport, mac_cfg->mac_addr);
8994 		if (!ret || ret == -ENOENT) {
8995 			/* clear all mac addr from hardware, but remain these
8996 			 * mac addr in the mac list, and restore them after
8997 			 * vf reset finished.
8998 			 */
8999 			if (!is_del_list &&
9000 			    mac_cfg->state == HCLGE_MAC_ACTIVE) {
9001 				mac_cfg->state = HCLGE_MAC_TO_ADD;
9002 			} else {
9003 				list_del(&mac_cfg->node);
9004 				kfree(mac_cfg);
9005 			}
9006 		} else if (is_del_list) {
9007 			mac_cfg->state = HCLGE_MAC_TO_DEL;
9008 		}
9009 	}
9010 }
9011 
hclge_rm_vport_all_mac_table(struct hclge_vport * vport,bool is_del_list,enum HCLGE_MAC_ADDR_TYPE mac_type)9012 void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list,
9013 				  enum HCLGE_MAC_ADDR_TYPE mac_type)
9014 {
9015 	int (*unsync)(struct hclge_vport *vport, const unsigned char *addr);
9016 	struct hclge_dev *hdev = vport->back;
9017 	struct list_head tmp_del_list, *list;
9018 
9019 	if (mac_type == HCLGE_MAC_ADDR_UC) {
9020 		list = &vport->uc_mac_list;
9021 		unsync = hclge_rm_uc_addr_common;
9022 	} else {
9023 		list = &vport->mc_mac_list;
9024 		unsync = hclge_rm_mc_addr_common;
9025 	}
9026 
9027 	INIT_LIST_HEAD(&tmp_del_list);
9028 
9029 	if (!is_del_list)
9030 		set_bit(vport->vport_id, hdev->vport_config_block);
9031 
9032 	spin_lock_bh(&vport->mac_list_lock);
9033 
9034 	hclge_build_del_list(list, is_del_list, &tmp_del_list);
9035 
9036 	spin_unlock_bh(&vport->mac_list_lock);
9037 
9038 	hclge_unsync_del_list(vport, unsync, is_del_list, &tmp_del_list);
9039 
9040 	spin_lock_bh(&vport->mac_list_lock);
9041 
9042 	hclge_sync_from_del_list(&tmp_del_list, list);
9043 
9044 	spin_unlock_bh(&vport->mac_list_lock);
9045 }
9046 
9047 /* remove all mac address when uninitailize */
hclge_uninit_vport_mac_list(struct hclge_vport * vport,enum HCLGE_MAC_ADDR_TYPE mac_type)9048 static void hclge_uninit_vport_mac_list(struct hclge_vport *vport,
9049 					enum HCLGE_MAC_ADDR_TYPE mac_type)
9050 {
9051 	struct hclge_mac_node *mac_node, *tmp;
9052 	struct hclge_dev *hdev = vport->back;
9053 	struct list_head tmp_del_list, *list;
9054 
9055 	INIT_LIST_HEAD(&tmp_del_list);
9056 
9057 	list = (mac_type == HCLGE_MAC_ADDR_UC) ?
9058 		&vport->uc_mac_list : &vport->mc_mac_list;
9059 
9060 	spin_lock_bh(&vport->mac_list_lock);
9061 
9062 	list_for_each_entry_safe(mac_node, tmp, list, node) {
9063 		switch (mac_node->state) {
9064 		case HCLGE_MAC_TO_DEL:
9065 		case HCLGE_MAC_ACTIVE:
9066 			list_move_tail(&mac_node->node, &tmp_del_list);
9067 			break;
9068 		case HCLGE_MAC_TO_ADD:
9069 			list_del(&mac_node->node);
9070 			kfree(mac_node);
9071 			break;
9072 		}
9073 	}
9074 
9075 	spin_unlock_bh(&vport->mac_list_lock);
9076 
9077 	hclge_unsync_vport_mac_list(vport, &tmp_del_list, mac_type);
9078 
9079 	if (!list_empty(&tmp_del_list))
9080 		dev_warn(&hdev->pdev->dev,
9081 			 "uninit %s mac list for vport %u not completely.\n",
9082 			 mac_type == HCLGE_MAC_ADDR_UC ? "uc" : "mc",
9083 			 vport->vport_id);
9084 
9085 	list_for_each_entry_safe(mac_node, tmp, &tmp_del_list, node) {
9086 		list_del(&mac_node->node);
9087 		kfree(mac_node);
9088 	}
9089 }
9090 
hclge_uninit_mac_table(struct hclge_dev * hdev)9091 static void hclge_uninit_mac_table(struct hclge_dev *hdev)
9092 {
9093 	struct hclge_vport *vport;
9094 	int i;
9095 
9096 	for (i = 0; i < hdev->num_alloc_vport; i++) {
9097 		vport = &hdev->vport[i];
9098 		hclge_uninit_vport_mac_list(vport, HCLGE_MAC_ADDR_UC);
9099 		hclge_uninit_vport_mac_list(vport, HCLGE_MAC_ADDR_MC);
9100 	}
9101 }
9102 
hclge_get_mac_ethertype_cmd_status(struct hclge_dev * hdev,u16 cmdq_resp,u8 resp_code)9103 static int hclge_get_mac_ethertype_cmd_status(struct hclge_dev *hdev,
9104 					      u16 cmdq_resp, u8 resp_code)
9105 {
9106 #define HCLGE_ETHERTYPE_SUCCESS_ADD		0
9107 #define HCLGE_ETHERTYPE_ALREADY_ADD		1
9108 #define HCLGE_ETHERTYPE_MGR_TBL_OVERFLOW	2
9109 #define HCLGE_ETHERTYPE_KEY_CONFLICT		3
9110 
9111 	int return_status;
9112 
9113 	if (cmdq_resp) {
9114 		dev_err(&hdev->pdev->dev,
9115 			"cmdq execute failed for get_mac_ethertype_cmd_status, status=%u.\n",
9116 			cmdq_resp);
9117 		return -EIO;
9118 	}
9119 
9120 	switch (resp_code) {
9121 	case HCLGE_ETHERTYPE_SUCCESS_ADD:
9122 	case HCLGE_ETHERTYPE_ALREADY_ADD:
9123 		return_status = 0;
9124 		break;
9125 	case HCLGE_ETHERTYPE_MGR_TBL_OVERFLOW:
9126 		dev_err(&hdev->pdev->dev,
9127 			"add mac ethertype failed for manager table overflow.\n");
9128 		return_status = -EIO;
9129 		break;
9130 	case HCLGE_ETHERTYPE_KEY_CONFLICT:
9131 		dev_err(&hdev->pdev->dev,
9132 			"add mac ethertype failed for key conflict.\n");
9133 		return_status = -EIO;
9134 		break;
9135 	default:
9136 		dev_err(&hdev->pdev->dev,
9137 			"add mac ethertype failed for undefined, code=%u.\n",
9138 			resp_code);
9139 		return_status = -EIO;
9140 	}
9141 
9142 	return return_status;
9143 }
9144 
hclge_set_vf_mac(struct hnae3_handle * handle,int vf,u8 * mac_addr)9145 static int hclge_set_vf_mac(struct hnae3_handle *handle, int vf,
9146 			    u8 *mac_addr)
9147 {
9148 	struct hclge_vport *vport = hclge_get_vport(handle);
9149 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
9150 	struct hclge_dev *hdev = vport->back;
9151 
9152 	vport = hclge_get_vf_vport(hdev, vf);
9153 	if (!vport)
9154 		return -EINVAL;
9155 
9156 	hnae3_format_mac_addr(format_mac_addr, mac_addr);
9157 	if (ether_addr_equal(mac_addr, vport->vf_info.mac)) {
9158 		dev_info(&hdev->pdev->dev,
9159 			 "Specified MAC(=%s) is same as before, no change committed!\n",
9160 			 format_mac_addr);
9161 		return 0;
9162 	}
9163 
9164 	ether_addr_copy(vport->vf_info.mac, mac_addr);
9165 
9166 	/* there is a timewindow for PF to know VF unalive, it may
9167 	 * cause send mailbox fail, but it doesn't matter, VF will
9168 	 * query it when reinit.
9169 	 */
9170 	if (test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state)) {
9171 		dev_info(&hdev->pdev->dev,
9172 			 "MAC of VF %d has been set to %s, and it will be reinitialized!\n",
9173 			 vf, format_mac_addr);
9174 		(void)hclge_inform_reset_assert_to_vf(vport);
9175 		return 0;
9176 	}
9177 
9178 	dev_info(&hdev->pdev->dev,
9179 		 "MAC of VF %d has been set to %s, will be active after VF reset\n",
9180 		 vf, format_mac_addr);
9181 	return 0;
9182 }
9183 
hclge_add_mgr_tbl(struct hclge_dev * hdev,const struct hclge_mac_mgr_tbl_entry_cmd * req)9184 static int hclge_add_mgr_tbl(struct hclge_dev *hdev,
9185 			     const struct hclge_mac_mgr_tbl_entry_cmd *req)
9186 {
9187 	struct hclge_desc desc;
9188 	u8 resp_code;
9189 	u16 retval;
9190 	int ret;
9191 
9192 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_ETHTYPE_ADD, false);
9193 	memcpy(desc.data, req, sizeof(struct hclge_mac_mgr_tbl_entry_cmd));
9194 
9195 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
9196 	if (ret) {
9197 		dev_err(&hdev->pdev->dev,
9198 			"add mac ethertype failed for cmd_send, ret =%d.\n",
9199 			ret);
9200 		return ret;
9201 	}
9202 
9203 	resp_code = (le32_to_cpu(desc.data[0]) >> 8) & 0xff;
9204 	retval = le16_to_cpu(desc.retval);
9205 
9206 	return hclge_get_mac_ethertype_cmd_status(hdev, retval, resp_code);
9207 }
9208 
init_mgr_tbl(struct hclge_dev * hdev)9209 static int init_mgr_tbl(struct hclge_dev *hdev)
9210 {
9211 	int ret;
9212 	int i;
9213 
9214 	for (i = 0; i < ARRAY_SIZE(hclge_mgr_table); i++) {
9215 		ret = hclge_add_mgr_tbl(hdev, &hclge_mgr_table[i]);
9216 		if (ret) {
9217 			dev_err(&hdev->pdev->dev,
9218 				"add mac ethertype failed, ret =%d.\n",
9219 				ret);
9220 			return ret;
9221 		}
9222 	}
9223 
9224 	return 0;
9225 }
9226 
hclge_get_mac_addr(struct hnae3_handle * handle,u8 * p)9227 static void hclge_get_mac_addr(struct hnae3_handle *handle, u8 *p)
9228 {
9229 	struct hclge_vport *vport = hclge_get_vport(handle);
9230 	struct hclge_dev *hdev = vport->back;
9231 
9232 	ether_addr_copy(p, hdev->hw.mac.mac_addr);
9233 }
9234 
hclge_update_mac_node_for_dev_addr(struct hclge_vport * vport,const u8 * old_addr,const u8 * new_addr)9235 int hclge_update_mac_node_for_dev_addr(struct hclge_vport *vport,
9236 				       const u8 *old_addr, const u8 *new_addr)
9237 {
9238 	struct list_head *list = &vport->uc_mac_list;
9239 	struct hclge_mac_node *old_node, *new_node;
9240 
9241 	new_node = hclge_find_mac_node(list, new_addr);
9242 	if (!new_node) {
9243 		new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
9244 		if (!new_node)
9245 			return -ENOMEM;
9246 
9247 		new_node->state = HCLGE_MAC_TO_ADD;
9248 		ether_addr_copy(new_node->mac_addr, new_addr);
9249 		list_add(&new_node->node, list);
9250 	} else {
9251 		if (new_node->state == HCLGE_MAC_TO_DEL)
9252 			new_node->state = HCLGE_MAC_ACTIVE;
9253 
9254 		/* make sure the new addr is in the list head, avoid dev
9255 		 * addr may be not re-added into mac table for the umv space
9256 		 * limitation after global/imp reset which will clear mac
9257 		 * table by hardware.
9258 		 */
9259 		list_move(&new_node->node, list);
9260 	}
9261 
9262 	if (old_addr && !ether_addr_equal(old_addr, new_addr)) {
9263 		old_node = hclge_find_mac_node(list, old_addr);
9264 		if (old_node) {
9265 			if (old_node->state == HCLGE_MAC_TO_ADD) {
9266 				list_del(&old_node->node);
9267 				kfree(old_node);
9268 			} else {
9269 				old_node->state = HCLGE_MAC_TO_DEL;
9270 			}
9271 		}
9272 	}
9273 
9274 	set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
9275 
9276 	return 0;
9277 }
9278 
hclge_set_mac_addr(struct hnae3_handle * handle,const void * p,bool is_first)9279 static int hclge_set_mac_addr(struct hnae3_handle *handle, const void *p,
9280 			      bool is_first)
9281 {
9282 	const unsigned char *new_addr = (const unsigned char *)p;
9283 	struct hclge_vport *vport = hclge_get_vport(handle);
9284 	char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
9285 	struct hclge_dev *hdev = vport->back;
9286 	unsigned char *old_addr = NULL;
9287 	int ret;
9288 
9289 	/* mac addr check */
9290 	if (is_zero_ether_addr(new_addr) ||
9291 	    is_broadcast_ether_addr(new_addr) ||
9292 	    is_multicast_ether_addr(new_addr)) {
9293 		hnae3_format_mac_addr(format_mac_addr, new_addr);
9294 		dev_err(&hdev->pdev->dev,
9295 			"change uc mac err! invalid mac: %s.\n",
9296 			 format_mac_addr);
9297 		return -EINVAL;
9298 	}
9299 
9300 	ret = hclge_pause_addr_cfg(hdev, new_addr);
9301 	if (ret) {
9302 		dev_err(&hdev->pdev->dev,
9303 			"failed to configure mac pause address, ret = %d\n",
9304 			ret);
9305 		return ret;
9306 	}
9307 
9308 	if (!is_first)
9309 		old_addr = hdev->hw.mac.mac_addr;
9310 
9311 	spin_lock_bh(&vport->mac_list_lock);
9312 	ret = hclge_update_mac_node_for_dev_addr(vport, old_addr, new_addr);
9313 	if (ret) {
9314 		hnae3_format_mac_addr(format_mac_addr, new_addr);
9315 		dev_err(&hdev->pdev->dev,
9316 			"failed to change the mac addr:%s, ret = %d\n",
9317 			format_mac_addr, ret);
9318 		spin_unlock_bh(&vport->mac_list_lock);
9319 
9320 		if (!is_first)
9321 			hclge_pause_addr_cfg(hdev, old_addr);
9322 
9323 		return ret;
9324 	}
9325 	/* we must update dev addr with spin lock protect, preventing dev addr
9326 	 * being removed by set_rx_mode path.
9327 	 */
9328 	ether_addr_copy(hdev->hw.mac.mac_addr, new_addr);
9329 	spin_unlock_bh(&vport->mac_list_lock);
9330 
9331 	hclge_task_schedule(hdev, 0);
9332 
9333 	return 0;
9334 }
9335 
hclge_mii_ioctl(struct hclge_dev * hdev,struct ifreq * ifr,int cmd)9336 static int hclge_mii_ioctl(struct hclge_dev *hdev, struct ifreq *ifr, int cmd)
9337 {
9338 	struct mii_ioctl_data *data = if_mii(ifr);
9339 
9340 	if (!hnae3_dev_phy_imp_supported(hdev))
9341 		return -EOPNOTSUPP;
9342 
9343 	switch (cmd) {
9344 	case SIOCGMIIPHY:
9345 		data->phy_id = hdev->hw.mac.phy_addr;
9346 		/* this command reads phy id and register at the same time */
9347 		fallthrough;
9348 	case SIOCGMIIREG:
9349 		data->val_out = hclge_read_phy_reg(hdev, data->reg_num);
9350 		return 0;
9351 
9352 	case SIOCSMIIREG:
9353 		return hclge_write_phy_reg(hdev, data->reg_num, data->val_in);
9354 	default:
9355 		return -EOPNOTSUPP;
9356 	}
9357 }
9358 
hclge_do_ioctl(struct hnae3_handle * handle,struct ifreq * ifr,int cmd)9359 static int hclge_do_ioctl(struct hnae3_handle *handle, struct ifreq *ifr,
9360 			  int cmd)
9361 {
9362 	struct hclge_vport *vport = hclge_get_vport(handle);
9363 	struct hclge_dev *hdev = vport->back;
9364 
9365 	switch (cmd) {
9366 	case SIOCGHWTSTAMP:
9367 		return hclge_ptp_get_cfg(hdev, ifr);
9368 	case SIOCSHWTSTAMP:
9369 		return hclge_ptp_set_cfg(hdev, ifr);
9370 	default:
9371 		if (!hdev->hw.mac.phydev)
9372 			return hclge_mii_ioctl(hdev, ifr, cmd);
9373 	}
9374 
9375 	return phy_mii_ioctl(hdev->hw.mac.phydev, ifr, cmd);
9376 }
9377 
hclge_set_port_vlan_filter_bypass(struct hclge_dev * hdev,u8 vf_id,bool bypass_en)9378 static int hclge_set_port_vlan_filter_bypass(struct hclge_dev *hdev, u8 vf_id,
9379 					     bool bypass_en)
9380 {
9381 	struct hclge_port_vlan_filter_bypass_cmd *req;
9382 	struct hclge_desc desc;
9383 	int ret;
9384 
9385 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PORT_VLAN_BYPASS, false);
9386 	req = (struct hclge_port_vlan_filter_bypass_cmd *)desc.data;
9387 	req->vf_id = vf_id;
9388 	hnae3_set_bit(req->bypass_state, HCLGE_INGRESS_BYPASS_B,
9389 		      bypass_en ? 1 : 0);
9390 
9391 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
9392 	if (ret)
9393 		dev_err(&hdev->pdev->dev,
9394 			"failed to set vport%u port vlan filter bypass state, ret = %d.\n",
9395 			vf_id, ret);
9396 
9397 	return ret;
9398 }
9399 
hclge_set_vlan_filter_ctrl(struct hclge_dev * hdev,u8 vlan_type,u8 fe_type,bool filter_en,u8 vf_id)9400 static int hclge_set_vlan_filter_ctrl(struct hclge_dev *hdev, u8 vlan_type,
9401 				      u8 fe_type, bool filter_en, u8 vf_id)
9402 {
9403 	struct hclge_vlan_filter_ctrl_cmd *req;
9404 	struct hclge_desc desc;
9405 	int ret;
9406 
9407 	/* read current vlan filter parameter */
9408 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_FILTER_CTRL, true);
9409 	req = (struct hclge_vlan_filter_ctrl_cmd *)desc.data;
9410 	req->vlan_type = vlan_type;
9411 	req->vf_id = vf_id;
9412 
9413 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
9414 	if (ret) {
9415 		dev_err(&hdev->pdev->dev, "failed to get vport%u vlan filter config, ret = %d.\n",
9416 			vf_id, ret);
9417 		return ret;
9418 	}
9419 
9420 	/* modify and write new config parameter */
9421 	hclge_comm_cmd_reuse_desc(&desc, false);
9422 	req->vlan_fe = filter_en ?
9423 			(req->vlan_fe | fe_type) : (req->vlan_fe & ~fe_type);
9424 
9425 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
9426 	if (ret)
9427 		dev_err(&hdev->pdev->dev, "failed to set vport%u vlan filter, ret = %d.\n",
9428 			vf_id, ret);
9429 
9430 	return ret;
9431 }
9432 
hclge_set_vport_vlan_filter(struct hclge_vport * vport,bool enable)9433 static int hclge_set_vport_vlan_filter(struct hclge_vport *vport, bool enable)
9434 {
9435 	struct hclge_dev *hdev = vport->back;
9436 	struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
9437 	int ret;
9438 
9439 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
9440 		return hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF,
9441 						  HCLGE_FILTER_FE_EGRESS_V1_B,
9442 						  enable, vport->vport_id);
9443 
9444 	ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF,
9445 					 HCLGE_FILTER_FE_EGRESS, enable,
9446 					 vport->vport_id);
9447 	if (ret)
9448 		return ret;
9449 
9450 	if (test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, ae_dev->caps)) {
9451 		ret = hclge_set_port_vlan_filter_bypass(hdev, vport->vport_id,
9452 							!enable);
9453 	} else if (!vport->vport_id) {
9454 		if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))
9455 			enable = false;
9456 
9457 		ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_PORT,
9458 						 HCLGE_FILTER_FE_INGRESS,
9459 						 enable, 0);
9460 	}
9461 
9462 	return ret;
9463 }
9464 
hclge_need_enable_vport_vlan_filter(struct hclge_vport * vport)9465 static bool hclge_need_enable_vport_vlan_filter(struct hclge_vport *vport)
9466 {
9467 	struct hnae3_handle *handle = &vport->nic;
9468 	struct hclge_vport_vlan_cfg *vlan, *tmp;
9469 	struct hclge_dev *hdev = vport->back;
9470 
9471 	if (vport->vport_id) {
9472 		if (vport->port_base_vlan_cfg.state !=
9473 			HNAE3_PORT_BASE_VLAN_DISABLE)
9474 			return true;
9475 
9476 		if (vport->vf_info.trusted && vport->vf_info.request_uc_en)
9477 			return false;
9478 	} else if (handle->netdev_flags & HNAE3_USER_UPE) {
9479 		return false;
9480 	}
9481 
9482 	if (!vport->req_vlan_fltr_en)
9483 		return false;
9484 
9485 	/* compatible with former device, always enable vlan filter */
9486 	if (!test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, hdev->ae_dev->caps))
9487 		return true;
9488 
9489 	list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node)
9490 		if (vlan->vlan_id != 0)
9491 			return true;
9492 
9493 	return false;
9494 }
9495 
hclge_enable_vport_vlan_filter(struct hclge_vport * vport,bool request_en)9496 int hclge_enable_vport_vlan_filter(struct hclge_vport *vport, bool request_en)
9497 {
9498 	struct hclge_dev *hdev = vport->back;
9499 	bool need_en;
9500 	int ret;
9501 
9502 	mutex_lock(&hdev->vport_lock);
9503 
9504 	vport->req_vlan_fltr_en = request_en;
9505 
9506 	need_en = hclge_need_enable_vport_vlan_filter(vport);
9507 	if (need_en == vport->cur_vlan_fltr_en) {
9508 		mutex_unlock(&hdev->vport_lock);
9509 		return 0;
9510 	}
9511 
9512 	ret = hclge_set_vport_vlan_filter(vport, need_en);
9513 	if (ret) {
9514 		mutex_unlock(&hdev->vport_lock);
9515 		return ret;
9516 	}
9517 
9518 	vport->cur_vlan_fltr_en = need_en;
9519 
9520 	mutex_unlock(&hdev->vport_lock);
9521 
9522 	return 0;
9523 }
9524 
hclge_enable_vlan_filter(struct hnae3_handle * handle,bool enable)9525 static int hclge_enable_vlan_filter(struct hnae3_handle *handle, bool enable)
9526 {
9527 	struct hclge_vport *vport = hclge_get_vport(handle);
9528 
9529 	return hclge_enable_vport_vlan_filter(vport, enable);
9530 }
9531 
hclge_set_vf_vlan_filter_cmd(struct hclge_dev * hdev,u16 vfid,bool is_kill,u16 vlan,struct hclge_desc * desc)9532 static int hclge_set_vf_vlan_filter_cmd(struct hclge_dev *hdev, u16 vfid,
9533 					bool is_kill, u16 vlan,
9534 					struct hclge_desc *desc)
9535 {
9536 	struct hclge_vlan_filter_vf_cfg_cmd *req0;
9537 	struct hclge_vlan_filter_vf_cfg_cmd *req1;
9538 	u8 vf_byte_val;
9539 	u8 vf_byte_off;
9540 	int ret;
9541 
9542 	hclge_cmd_setup_basic_desc(&desc[0],
9543 				   HCLGE_OPC_VLAN_FILTER_VF_CFG, false);
9544 	hclge_cmd_setup_basic_desc(&desc[1],
9545 				   HCLGE_OPC_VLAN_FILTER_VF_CFG, false);
9546 
9547 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
9548 
9549 	vf_byte_off = vfid / 8;
9550 	vf_byte_val = 1 << (vfid % 8);
9551 
9552 	req0 = (struct hclge_vlan_filter_vf_cfg_cmd *)desc[0].data;
9553 	req1 = (struct hclge_vlan_filter_vf_cfg_cmd *)desc[1].data;
9554 
9555 	req0->vlan_id  = cpu_to_le16(vlan);
9556 	req0->vlan_cfg = is_kill;
9557 
9558 	if (vf_byte_off < HCLGE_MAX_VF_BYTES)
9559 		req0->vf_bitmap[vf_byte_off] = vf_byte_val;
9560 	else
9561 		req1->vf_bitmap[vf_byte_off - HCLGE_MAX_VF_BYTES] = vf_byte_val;
9562 
9563 	ret = hclge_cmd_send(&hdev->hw, desc, 2);
9564 	if (ret) {
9565 		dev_err(&hdev->pdev->dev,
9566 			"Send vf vlan command fail, ret =%d.\n",
9567 			ret);
9568 		return ret;
9569 	}
9570 
9571 	return 0;
9572 }
9573 
hclge_check_vf_vlan_cmd_status(struct hclge_dev * hdev,u16 vfid,bool is_kill,struct hclge_desc * desc)9574 static int hclge_check_vf_vlan_cmd_status(struct hclge_dev *hdev, u16 vfid,
9575 					  bool is_kill, struct hclge_desc *desc)
9576 {
9577 	struct hclge_vlan_filter_vf_cfg_cmd *req;
9578 
9579 	req = (struct hclge_vlan_filter_vf_cfg_cmd *)desc[0].data;
9580 
9581 	if (!is_kill) {
9582 #define HCLGE_VF_VLAN_NO_ENTRY	2
9583 		if (!req->resp_code || req->resp_code == 1)
9584 			return 0;
9585 
9586 		if (req->resp_code == HCLGE_VF_VLAN_NO_ENTRY) {
9587 			set_bit(vfid, hdev->vf_vlan_full);
9588 			dev_warn(&hdev->pdev->dev,
9589 				 "vf vlan table is full, vf vlan filter is disabled\n");
9590 			return 0;
9591 		}
9592 
9593 		dev_err(&hdev->pdev->dev,
9594 			"Add vf vlan filter fail, ret =%u.\n",
9595 			req->resp_code);
9596 	} else {
9597 #define HCLGE_VF_VLAN_DEL_NO_FOUND	1
9598 		if (!req->resp_code)
9599 			return 0;
9600 
9601 		/* vf vlan filter is disabled when vf vlan table is full,
9602 		 * then new vlan id will not be added into vf vlan table.
9603 		 * Just return 0 without warning, avoid massive verbose
9604 		 * print logs when unload.
9605 		 */
9606 		if (req->resp_code == HCLGE_VF_VLAN_DEL_NO_FOUND)
9607 			return 0;
9608 
9609 		dev_err(&hdev->pdev->dev,
9610 			"Kill vf vlan filter fail, ret =%u.\n",
9611 			req->resp_code);
9612 	}
9613 
9614 	return -EIO;
9615 }
9616 
hclge_set_vf_vlan_common(struct hclge_dev * hdev,u16 vfid,bool is_kill,u16 vlan)9617 static int hclge_set_vf_vlan_common(struct hclge_dev *hdev, u16 vfid,
9618 				    bool is_kill, u16 vlan)
9619 {
9620 	struct hclge_vport *vport = &hdev->vport[vfid];
9621 	struct hclge_desc desc[2];
9622 	int ret;
9623 
9624 	/* if vf vlan table is full, firmware will close vf vlan filter, it
9625 	 * is unable and unnecessary to add new vlan id to vf vlan filter.
9626 	 * If spoof check is enable, and vf vlan is full, it shouldn't add
9627 	 * new vlan, because tx packets with these vlan id will be dropped.
9628 	 */
9629 	if (test_bit(vfid, hdev->vf_vlan_full) && !is_kill) {
9630 		if (vport->vf_info.spoofchk && vlan) {
9631 			dev_err(&hdev->pdev->dev,
9632 				"Can't add vlan due to spoof check is on and vf vlan table is full\n");
9633 			return -EPERM;
9634 		}
9635 		return 0;
9636 	}
9637 
9638 	ret = hclge_set_vf_vlan_filter_cmd(hdev, vfid, is_kill, vlan, desc);
9639 	if (ret)
9640 		return ret;
9641 
9642 	return hclge_check_vf_vlan_cmd_status(hdev, vfid, is_kill, desc);
9643 }
9644 
hclge_set_port_vlan_filter(struct hclge_dev * hdev,__be16 proto,u16 vlan_id,bool is_kill)9645 static int hclge_set_port_vlan_filter(struct hclge_dev *hdev, __be16 proto,
9646 				      u16 vlan_id, bool is_kill)
9647 {
9648 	struct hclge_vlan_filter_pf_cfg_cmd *req;
9649 	struct hclge_desc desc;
9650 	u8 vlan_offset_byte_val;
9651 	u8 vlan_offset_byte;
9652 	u8 vlan_offset_160;
9653 	int ret;
9654 
9655 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_FILTER_PF_CFG, false);
9656 
9657 	vlan_offset_160 = vlan_id / HCLGE_VLAN_ID_OFFSET_STEP;
9658 	vlan_offset_byte = (vlan_id % HCLGE_VLAN_ID_OFFSET_STEP) /
9659 			   HCLGE_VLAN_BYTE_SIZE;
9660 	vlan_offset_byte_val = 1 << (vlan_id % HCLGE_VLAN_BYTE_SIZE);
9661 
9662 	req = (struct hclge_vlan_filter_pf_cfg_cmd *)desc.data;
9663 	req->vlan_offset = vlan_offset_160;
9664 	req->vlan_cfg = is_kill;
9665 	req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
9666 
9667 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
9668 	if (ret)
9669 		dev_err(&hdev->pdev->dev,
9670 			"port vlan command, send fail, ret =%d.\n", ret);
9671 	return ret;
9672 }
9673 
hclge_need_update_port_vlan(struct hclge_dev * hdev,u16 vport_id,u16 vlan_id,bool is_kill)9674 static bool hclge_need_update_port_vlan(struct hclge_dev *hdev, u16 vport_id,
9675 					u16 vlan_id, bool is_kill)
9676 {
9677 	/* vlan 0 may be added twice when 8021q module is enabled */
9678 	if (!is_kill && !vlan_id &&
9679 	    test_bit(vport_id, hdev->vlan_table[vlan_id]))
9680 		return false;
9681 
9682 	if (!is_kill && test_and_set_bit(vport_id, hdev->vlan_table[vlan_id])) {
9683 		dev_warn(&hdev->pdev->dev,
9684 			 "Add port vlan failed, vport %u is already in vlan %u\n",
9685 			 vport_id, vlan_id);
9686 		return false;
9687 	}
9688 
9689 	if (is_kill &&
9690 	    !test_and_clear_bit(vport_id, hdev->vlan_table[vlan_id])) {
9691 		dev_warn(&hdev->pdev->dev,
9692 			 "Delete port vlan failed, vport %u is not in vlan %u\n",
9693 			 vport_id, vlan_id);
9694 		return false;
9695 	}
9696 
9697 	return true;
9698 }
9699 
hclge_set_vlan_filter_hw(struct hclge_dev * hdev,__be16 proto,u16 vport_id,u16 vlan_id,bool is_kill)9700 static int hclge_set_vlan_filter_hw(struct hclge_dev *hdev, __be16 proto,
9701 				    u16 vport_id, u16 vlan_id,
9702 				    bool is_kill)
9703 {
9704 	u16 vport_idx, vport_num = 0;
9705 	int ret;
9706 
9707 	if (is_kill && !vlan_id)
9708 		return 0;
9709 
9710 	if (vlan_id >= VLAN_N_VID)
9711 		return -EINVAL;
9712 
9713 	ret = hclge_set_vf_vlan_common(hdev, vport_id, is_kill, vlan_id);
9714 	if (ret) {
9715 		dev_err(&hdev->pdev->dev,
9716 			"Set %u vport vlan filter config fail, ret =%d.\n",
9717 			vport_id, ret);
9718 		return ret;
9719 	}
9720 
9721 	if (!hclge_need_update_port_vlan(hdev, vport_id, vlan_id, is_kill))
9722 		return 0;
9723 
9724 	for_each_set_bit(vport_idx, hdev->vlan_table[vlan_id], HCLGE_VPORT_NUM)
9725 		vport_num++;
9726 
9727 	if ((is_kill && vport_num == 0) || (!is_kill && vport_num == 1))
9728 		ret = hclge_set_port_vlan_filter(hdev, proto, vlan_id,
9729 						 is_kill);
9730 
9731 	return ret;
9732 }
9733 
hclge_set_vlan_tx_offload_cfg(struct hclge_vport * vport)9734 static int hclge_set_vlan_tx_offload_cfg(struct hclge_vport *vport)
9735 {
9736 	struct hclge_tx_vtag_cfg *vcfg = &vport->txvlan_cfg;
9737 	struct hclge_vport_vtag_tx_cfg_cmd *req;
9738 	struct hclge_dev *hdev = vport->back;
9739 	struct hclge_desc desc;
9740 	u16 bmap_index;
9741 	int status;
9742 
9743 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_TX_CFG, false);
9744 
9745 	req = (struct hclge_vport_vtag_tx_cfg_cmd *)desc.data;
9746 	req->def_vlan_tag1 = cpu_to_le16(vcfg->default_tag1);
9747 	req->def_vlan_tag2 = cpu_to_le16(vcfg->default_tag2);
9748 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_TAG1_B,
9749 		      vcfg->accept_tag1 ? 1 : 0);
9750 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_UNTAG1_B,
9751 		      vcfg->accept_untag1 ? 1 : 0);
9752 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_TAG2_B,
9753 		      vcfg->accept_tag2 ? 1 : 0);
9754 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_ACCEPT_UNTAG2_B,
9755 		      vcfg->accept_untag2 ? 1 : 0);
9756 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_PORT_INS_TAG1_EN_B,
9757 		      vcfg->insert_tag1_en ? 1 : 0);
9758 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_PORT_INS_TAG2_EN_B,
9759 		      vcfg->insert_tag2_en ? 1 : 0);
9760 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_TAG_SHIFT_MODE_EN_B,
9761 		      vcfg->tag_shift_mode_en ? 1 : 0);
9762 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_CFG_NIC_ROCE_SEL_B, 0);
9763 
9764 	req->vf_offset = vport->vport_id / HCLGE_VF_NUM_PER_CMD;
9765 	bmap_index = vport->vport_id % HCLGE_VF_NUM_PER_CMD /
9766 			HCLGE_VF_NUM_PER_BYTE;
9767 	req->vf_bitmap[bmap_index] =
9768 		1U << (vport->vport_id % HCLGE_VF_NUM_PER_BYTE);
9769 
9770 	status = hclge_cmd_send(&hdev->hw, &desc, 1);
9771 	if (status)
9772 		dev_err(&hdev->pdev->dev,
9773 			"Send port txvlan cfg command fail, ret =%d\n",
9774 			status);
9775 
9776 	return status;
9777 }
9778 
hclge_set_vlan_rx_offload_cfg(struct hclge_vport * vport)9779 static int hclge_set_vlan_rx_offload_cfg(struct hclge_vport *vport)
9780 {
9781 	struct hclge_rx_vtag_cfg *vcfg = &vport->rxvlan_cfg;
9782 	struct hclge_vport_vtag_rx_cfg_cmd *req;
9783 	struct hclge_dev *hdev = vport->back;
9784 	struct hclge_desc desc;
9785 	u16 bmap_index;
9786 	int status;
9787 
9788 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_RX_CFG, false);
9789 
9790 	req = (struct hclge_vport_vtag_rx_cfg_cmd *)desc.data;
9791 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_REM_TAG1_EN_B,
9792 		      vcfg->strip_tag1_en ? 1 : 0);
9793 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_REM_TAG2_EN_B,
9794 		      vcfg->strip_tag2_en ? 1 : 0);
9795 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_SHOW_TAG1_EN_B,
9796 		      vcfg->vlan1_vlan_prionly ? 1 : 0);
9797 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_SHOW_TAG2_EN_B,
9798 		      vcfg->vlan2_vlan_prionly ? 1 : 0);
9799 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_DISCARD_TAG1_EN_B,
9800 		      vcfg->strip_tag1_discard_en ? 1 : 0);
9801 	hnae3_set_bit(req->vport_vlan_cfg, HCLGE_DISCARD_TAG2_EN_B,
9802 		      vcfg->strip_tag2_discard_en ? 1 : 0);
9803 
9804 	req->vf_offset = vport->vport_id / HCLGE_VF_NUM_PER_CMD;
9805 	bmap_index = vport->vport_id % HCLGE_VF_NUM_PER_CMD /
9806 			HCLGE_VF_NUM_PER_BYTE;
9807 	req->vf_bitmap[bmap_index] =
9808 		1U << (vport->vport_id % HCLGE_VF_NUM_PER_BYTE);
9809 
9810 	status = hclge_cmd_send(&hdev->hw, &desc, 1);
9811 	if (status)
9812 		dev_err(&hdev->pdev->dev,
9813 			"Send port rxvlan cfg command fail, ret =%d\n",
9814 			status);
9815 
9816 	return status;
9817 }
9818 
hclge_vlan_offload_cfg(struct hclge_vport * vport,u16 port_base_vlan_state,u16 vlan_tag,u8 qos)9819 static int hclge_vlan_offload_cfg(struct hclge_vport *vport,
9820 				  u16 port_base_vlan_state,
9821 				  u16 vlan_tag, u8 qos)
9822 {
9823 	int ret;
9824 
9825 	if (port_base_vlan_state == HNAE3_PORT_BASE_VLAN_DISABLE) {
9826 		vport->txvlan_cfg.accept_tag1 = true;
9827 		vport->txvlan_cfg.insert_tag1_en = false;
9828 		vport->txvlan_cfg.default_tag1 = 0;
9829 	} else {
9830 		struct hnae3_ae_dev *ae_dev = pci_get_drvdata(vport->nic.pdev);
9831 
9832 		vport->txvlan_cfg.accept_tag1 =
9833 			ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3;
9834 		vport->txvlan_cfg.insert_tag1_en = true;
9835 		vport->txvlan_cfg.default_tag1 = (qos << VLAN_PRIO_SHIFT) |
9836 						 vlan_tag;
9837 	}
9838 
9839 	vport->txvlan_cfg.accept_untag1 = true;
9840 
9841 	/* accept_tag2 and accept_untag2 are not supported on
9842 	 * pdev revision(0x20), new revision support them,
9843 	 * this two fields can not be configured by user.
9844 	 */
9845 	vport->txvlan_cfg.accept_tag2 = true;
9846 	vport->txvlan_cfg.accept_untag2 = true;
9847 	vport->txvlan_cfg.insert_tag2_en = false;
9848 	vport->txvlan_cfg.default_tag2 = 0;
9849 	vport->txvlan_cfg.tag_shift_mode_en = true;
9850 
9851 	if (port_base_vlan_state == HNAE3_PORT_BASE_VLAN_DISABLE) {
9852 		vport->rxvlan_cfg.strip_tag1_en = false;
9853 		vport->rxvlan_cfg.strip_tag2_en =
9854 				vport->rxvlan_cfg.rx_vlan_offload_en;
9855 		vport->rxvlan_cfg.strip_tag2_discard_en = false;
9856 	} else {
9857 		vport->rxvlan_cfg.strip_tag1_en =
9858 				vport->rxvlan_cfg.rx_vlan_offload_en;
9859 		vport->rxvlan_cfg.strip_tag2_en = true;
9860 		vport->rxvlan_cfg.strip_tag2_discard_en = true;
9861 	}
9862 
9863 	vport->rxvlan_cfg.strip_tag1_discard_en = false;
9864 	vport->rxvlan_cfg.vlan1_vlan_prionly = false;
9865 	vport->rxvlan_cfg.vlan2_vlan_prionly = false;
9866 
9867 	ret = hclge_set_vlan_tx_offload_cfg(vport);
9868 	if (ret)
9869 		return ret;
9870 
9871 	return hclge_set_vlan_rx_offload_cfg(vport);
9872 }
9873 
hclge_set_vlan_protocol_type(struct hclge_dev * hdev)9874 static int hclge_set_vlan_protocol_type(struct hclge_dev *hdev)
9875 {
9876 	struct hclge_rx_vlan_type_cfg_cmd *rx_req;
9877 	struct hclge_tx_vlan_type_cfg_cmd *tx_req;
9878 	struct hclge_desc desc;
9879 	int status;
9880 
9881 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_TYPE_ID, false);
9882 	rx_req = (struct hclge_rx_vlan_type_cfg_cmd *)desc.data;
9883 	rx_req->ot_fst_vlan_type =
9884 		cpu_to_le16(hdev->vlan_type_cfg.rx_ot_fst_vlan_type);
9885 	rx_req->ot_sec_vlan_type =
9886 		cpu_to_le16(hdev->vlan_type_cfg.rx_ot_sec_vlan_type);
9887 	rx_req->in_fst_vlan_type =
9888 		cpu_to_le16(hdev->vlan_type_cfg.rx_in_fst_vlan_type);
9889 	rx_req->in_sec_vlan_type =
9890 		cpu_to_le16(hdev->vlan_type_cfg.rx_in_sec_vlan_type);
9891 
9892 	status = hclge_cmd_send(&hdev->hw, &desc, 1);
9893 	if (status) {
9894 		dev_err(&hdev->pdev->dev,
9895 			"Send rxvlan protocol type command fail, ret =%d\n",
9896 			status);
9897 		return status;
9898 	}
9899 
9900 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_INSERT, false);
9901 
9902 	tx_req = (struct hclge_tx_vlan_type_cfg_cmd *)desc.data;
9903 	tx_req->ot_vlan_type = cpu_to_le16(hdev->vlan_type_cfg.tx_ot_vlan_type);
9904 	tx_req->in_vlan_type = cpu_to_le16(hdev->vlan_type_cfg.tx_in_vlan_type);
9905 
9906 	status = hclge_cmd_send(&hdev->hw, &desc, 1);
9907 	if (status)
9908 		dev_err(&hdev->pdev->dev,
9909 			"Send txvlan protocol type command fail, ret =%d\n",
9910 			status);
9911 
9912 	return status;
9913 }
9914 
hclge_init_vlan_filter(struct hclge_dev * hdev)9915 static int hclge_init_vlan_filter(struct hclge_dev *hdev)
9916 {
9917 	struct hclge_vport *vport;
9918 	bool enable = true;
9919 	int ret;
9920 	int i;
9921 
9922 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
9923 		return hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF,
9924 						  HCLGE_FILTER_FE_EGRESS_V1_B,
9925 						  true, 0);
9926 
9927 	/* for revision 0x21, vf vlan filter is per function */
9928 	for (i = 0; i < hdev->num_alloc_vport; i++) {
9929 		vport = &hdev->vport[i];
9930 		ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF,
9931 						 HCLGE_FILTER_FE_EGRESS, true,
9932 						 vport->vport_id);
9933 		if (ret)
9934 			return ret;
9935 		vport->cur_vlan_fltr_en = true;
9936 	}
9937 
9938 	if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, hdev->ae_dev->caps) &&
9939 	    !test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, hdev->ae_dev->caps))
9940 		enable = false;
9941 
9942 	return hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_PORT,
9943 					  HCLGE_FILTER_FE_INGRESS, enable, 0);
9944 }
9945 
hclge_init_vlan_type(struct hclge_dev * hdev)9946 static int hclge_init_vlan_type(struct hclge_dev *hdev)
9947 {
9948 	hdev->vlan_type_cfg.rx_in_fst_vlan_type = ETH_P_8021Q;
9949 	hdev->vlan_type_cfg.rx_in_sec_vlan_type = ETH_P_8021Q;
9950 	hdev->vlan_type_cfg.rx_ot_fst_vlan_type = ETH_P_8021Q;
9951 	hdev->vlan_type_cfg.rx_ot_sec_vlan_type = ETH_P_8021Q;
9952 	hdev->vlan_type_cfg.tx_ot_vlan_type = ETH_P_8021Q;
9953 	hdev->vlan_type_cfg.tx_in_vlan_type = ETH_P_8021Q;
9954 
9955 	return hclge_set_vlan_protocol_type(hdev);
9956 }
9957 
hclge_init_vport_vlan_offload(struct hclge_dev * hdev)9958 static int hclge_init_vport_vlan_offload(struct hclge_dev *hdev)
9959 {
9960 	struct hclge_port_base_vlan_config *cfg;
9961 	struct hclge_vport *vport;
9962 	int ret;
9963 	int i;
9964 
9965 	for (i = 0; i < hdev->num_alloc_vport; i++) {
9966 		vport = &hdev->vport[i];
9967 		cfg = &vport->port_base_vlan_cfg;
9968 
9969 		ret = hclge_vlan_offload_cfg(vport, cfg->state,
9970 					     cfg->vlan_info.vlan_tag,
9971 					     cfg->vlan_info.qos);
9972 		if (ret)
9973 			return ret;
9974 	}
9975 	return 0;
9976 }
9977 
hclge_init_vlan_config(struct hclge_dev * hdev)9978 static int hclge_init_vlan_config(struct hclge_dev *hdev)
9979 {
9980 	struct hnae3_handle *handle = &hdev->vport[0].nic;
9981 	int ret;
9982 
9983 	ret = hclge_init_vlan_filter(hdev);
9984 	if (ret)
9985 		return ret;
9986 
9987 	ret = hclge_init_vlan_type(hdev);
9988 	if (ret)
9989 		return ret;
9990 
9991 	ret = hclge_init_vport_vlan_offload(hdev);
9992 	if (ret)
9993 		return ret;
9994 
9995 	return hclge_set_vlan_filter(handle, htons(ETH_P_8021Q), 0, false);
9996 }
9997 
hclge_add_vport_vlan_table(struct hclge_vport * vport,u16 vlan_id,bool writen_to_tbl)9998 static void hclge_add_vport_vlan_table(struct hclge_vport *vport, u16 vlan_id,
9999 				       bool writen_to_tbl)
10000 {
10001 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10002 	struct hclge_dev *hdev = vport->back;
10003 
10004 	mutex_lock(&hdev->vport_lock);
10005 
10006 	list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10007 		if (vlan->vlan_id == vlan_id) {
10008 			mutex_unlock(&hdev->vport_lock);
10009 			return;
10010 		}
10011 	}
10012 
10013 	vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
10014 	if (!vlan) {
10015 		mutex_unlock(&hdev->vport_lock);
10016 		return;
10017 	}
10018 
10019 	vlan->hd_tbl_status = writen_to_tbl;
10020 	vlan->vlan_id = vlan_id;
10021 
10022 	list_add_tail(&vlan->node, &vport->vlan_list);
10023 	mutex_unlock(&hdev->vport_lock);
10024 }
10025 
hclge_add_vport_all_vlan_table(struct hclge_vport * vport)10026 static int hclge_add_vport_all_vlan_table(struct hclge_vport *vport)
10027 {
10028 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10029 	struct hclge_dev *hdev = vport->back;
10030 	int ret;
10031 
10032 	mutex_lock(&hdev->vport_lock);
10033 
10034 	list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10035 		if (!vlan->hd_tbl_status) {
10036 			ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
10037 						       vport->vport_id,
10038 						       vlan->vlan_id, false);
10039 			if (ret) {
10040 				dev_err(&hdev->pdev->dev,
10041 					"restore vport vlan list failed, ret=%d\n",
10042 					ret);
10043 
10044 				mutex_unlock(&hdev->vport_lock);
10045 				return ret;
10046 			}
10047 		}
10048 		vlan->hd_tbl_status = true;
10049 	}
10050 
10051 	mutex_unlock(&hdev->vport_lock);
10052 
10053 	return 0;
10054 }
10055 
hclge_rm_vport_vlan_table(struct hclge_vport * vport,u16 vlan_id,bool is_write_tbl)10056 static void hclge_rm_vport_vlan_table(struct hclge_vport *vport, u16 vlan_id,
10057 				      bool is_write_tbl)
10058 {
10059 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10060 	struct hclge_dev *hdev = vport->back;
10061 
10062 	list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10063 		if (vlan->vlan_id == vlan_id) {
10064 			if (is_write_tbl && vlan->hd_tbl_status)
10065 				hclge_set_vlan_filter_hw(hdev,
10066 							 htons(ETH_P_8021Q),
10067 							 vport->vport_id,
10068 							 vlan_id,
10069 							 true);
10070 
10071 			list_del(&vlan->node);
10072 			kfree(vlan);
10073 			break;
10074 		}
10075 	}
10076 }
10077 
hclge_rm_vport_all_vlan_table(struct hclge_vport * vport,bool is_del_list)10078 void hclge_rm_vport_all_vlan_table(struct hclge_vport *vport, bool is_del_list)
10079 {
10080 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10081 	struct hclge_dev *hdev = vport->back;
10082 
10083 	mutex_lock(&hdev->vport_lock);
10084 
10085 	list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10086 		if (vlan->hd_tbl_status)
10087 			hclge_set_vlan_filter_hw(hdev,
10088 						 htons(ETH_P_8021Q),
10089 						 vport->vport_id,
10090 						 vlan->vlan_id,
10091 						 true);
10092 
10093 		vlan->hd_tbl_status = false;
10094 		if (is_del_list) {
10095 			list_del(&vlan->node);
10096 			kfree(vlan);
10097 		}
10098 	}
10099 	clear_bit(vport->vport_id, hdev->vf_vlan_full);
10100 	mutex_unlock(&hdev->vport_lock);
10101 }
10102 
hclge_uninit_vport_vlan_table(struct hclge_dev * hdev)10103 void hclge_uninit_vport_vlan_table(struct hclge_dev *hdev)
10104 {
10105 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10106 	struct hclge_vport *vport;
10107 	int i;
10108 
10109 	mutex_lock(&hdev->vport_lock);
10110 
10111 	for (i = 0; i < hdev->num_alloc_vport; i++) {
10112 		vport = &hdev->vport[i];
10113 		list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10114 			list_del(&vlan->node);
10115 			kfree(vlan);
10116 		}
10117 	}
10118 
10119 	mutex_unlock(&hdev->vport_lock);
10120 }
10121 
hclge_restore_vport_port_base_vlan_config(struct hclge_dev * hdev)10122 void hclge_restore_vport_port_base_vlan_config(struct hclge_dev *hdev)
10123 {
10124 	struct hclge_vlan_info *vlan_info;
10125 	struct hclge_vport *vport;
10126 	u16 vlan_proto;
10127 	u16 vlan_id;
10128 	u16 state;
10129 	int vf_id;
10130 	int ret;
10131 
10132 	/* PF should restore all vfs port base vlan */
10133 	for (vf_id = 0; vf_id < hdev->num_alloc_vfs; vf_id++) {
10134 		vport = &hdev->vport[vf_id + HCLGE_VF_VPORT_START_NUM];
10135 		vlan_info = vport->port_base_vlan_cfg.tbl_sta ?
10136 			    &vport->port_base_vlan_cfg.vlan_info :
10137 			    &vport->port_base_vlan_cfg.old_vlan_info;
10138 
10139 		vlan_id = vlan_info->vlan_tag;
10140 		vlan_proto = vlan_info->vlan_proto;
10141 		state = vport->port_base_vlan_cfg.state;
10142 
10143 		if (state != HNAE3_PORT_BASE_VLAN_DISABLE) {
10144 			clear_bit(vport->vport_id, hdev->vlan_table[vlan_id]);
10145 			ret = hclge_set_vlan_filter_hw(hdev, htons(vlan_proto),
10146 						       vport->vport_id,
10147 						       vlan_id, false);
10148 			vport->port_base_vlan_cfg.tbl_sta = ret == 0;
10149 		}
10150 	}
10151 }
10152 
hclge_restore_vport_vlan_table(struct hclge_vport * vport)10153 void hclge_restore_vport_vlan_table(struct hclge_vport *vport)
10154 {
10155 	struct hclge_vport_vlan_cfg *vlan, *tmp;
10156 	struct hclge_dev *hdev = vport->back;
10157 	int ret;
10158 
10159 	mutex_lock(&hdev->vport_lock);
10160 
10161 	if (vport->port_base_vlan_cfg.state == HNAE3_PORT_BASE_VLAN_DISABLE) {
10162 		list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
10163 			ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
10164 						       vport->vport_id,
10165 						       vlan->vlan_id, false);
10166 			if (ret)
10167 				break;
10168 			vlan->hd_tbl_status = true;
10169 		}
10170 	}
10171 
10172 	mutex_unlock(&hdev->vport_lock);
10173 }
10174 
10175 /* For global reset and imp reset, hardware will clear the mac table,
10176  * so we change the mac address state from ACTIVE to TO_ADD, then they
10177  * can be restored in the service task after reset complete. Furtherly,
10178  * the mac addresses with state TO_DEL or DEL_FAIL are unnecessary to
10179  * be restored after reset, so just remove these mac nodes from mac_list.
10180  */
hclge_mac_node_convert_for_reset(struct list_head * list)10181 static void hclge_mac_node_convert_for_reset(struct list_head *list)
10182 {
10183 	struct hclge_mac_node *mac_node, *tmp;
10184 
10185 	list_for_each_entry_safe(mac_node, tmp, list, node) {
10186 		if (mac_node->state == HCLGE_MAC_ACTIVE) {
10187 			mac_node->state = HCLGE_MAC_TO_ADD;
10188 		} else if (mac_node->state == HCLGE_MAC_TO_DEL) {
10189 			list_del(&mac_node->node);
10190 			kfree(mac_node);
10191 		}
10192 	}
10193 }
10194 
hclge_restore_mac_table_common(struct hclge_vport * vport)10195 void hclge_restore_mac_table_common(struct hclge_vport *vport)
10196 {
10197 	spin_lock_bh(&vport->mac_list_lock);
10198 
10199 	hclge_mac_node_convert_for_reset(&vport->uc_mac_list);
10200 	hclge_mac_node_convert_for_reset(&vport->mc_mac_list);
10201 	set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
10202 
10203 	spin_unlock_bh(&vport->mac_list_lock);
10204 }
10205 
hclge_restore_hw_table(struct hclge_dev * hdev)10206 static void hclge_restore_hw_table(struct hclge_dev *hdev)
10207 {
10208 	struct hclge_vport *vport = &hdev->vport[0];
10209 	struct hnae3_handle *handle = &vport->nic;
10210 
10211 	hclge_restore_mac_table_common(vport);
10212 	hclge_restore_vport_port_base_vlan_config(hdev);
10213 	hclge_restore_vport_vlan_table(vport);
10214 	set_bit(HCLGE_STATE_FD_USER_DEF_CHANGED, &hdev->state);
10215 	hclge_restore_fd_entries(handle);
10216 }
10217 
hclge_en_hw_strip_rxvtag(struct hnae3_handle * handle,bool enable)10218 int hclge_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable)
10219 {
10220 	struct hclge_vport *vport = hclge_get_vport(handle);
10221 
10222 	if (vport->port_base_vlan_cfg.state == HNAE3_PORT_BASE_VLAN_DISABLE) {
10223 		vport->rxvlan_cfg.strip_tag1_en = false;
10224 		vport->rxvlan_cfg.strip_tag2_en = enable;
10225 		vport->rxvlan_cfg.strip_tag2_discard_en = false;
10226 	} else {
10227 		vport->rxvlan_cfg.strip_tag1_en = enable;
10228 		vport->rxvlan_cfg.strip_tag2_en = true;
10229 		vport->rxvlan_cfg.strip_tag2_discard_en = true;
10230 	}
10231 
10232 	vport->rxvlan_cfg.strip_tag1_discard_en = false;
10233 	vport->rxvlan_cfg.vlan1_vlan_prionly = false;
10234 	vport->rxvlan_cfg.vlan2_vlan_prionly = false;
10235 	vport->rxvlan_cfg.rx_vlan_offload_en = enable;
10236 
10237 	return hclge_set_vlan_rx_offload_cfg(vport);
10238 }
10239 
hclge_set_vport_vlan_fltr_change(struct hclge_vport * vport)10240 static void hclge_set_vport_vlan_fltr_change(struct hclge_vport *vport)
10241 {
10242 	struct hclge_dev *hdev = vport->back;
10243 
10244 	if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, hdev->ae_dev->caps))
10245 		set_bit(HCLGE_VPORT_STATE_VLAN_FLTR_CHANGE, &vport->state);
10246 }
10247 
hclge_update_vlan_filter_entries(struct hclge_vport * vport,u16 port_base_vlan_state,struct hclge_vlan_info * new_info,struct hclge_vlan_info * old_info)10248 static int hclge_update_vlan_filter_entries(struct hclge_vport *vport,
10249 					    u16 port_base_vlan_state,
10250 					    struct hclge_vlan_info *new_info,
10251 					    struct hclge_vlan_info *old_info)
10252 {
10253 	struct hclge_dev *hdev = vport->back;
10254 	int ret;
10255 
10256 	if (port_base_vlan_state == HNAE3_PORT_BASE_VLAN_ENABLE) {
10257 		hclge_rm_vport_all_vlan_table(vport, false);
10258 		/* force clear VLAN 0 */
10259 		ret = hclge_set_vf_vlan_common(hdev, vport->vport_id, true, 0);
10260 		if (ret)
10261 			return ret;
10262 		return hclge_set_vlan_filter_hw(hdev,
10263 						 htons(new_info->vlan_proto),
10264 						 vport->vport_id,
10265 						 new_info->vlan_tag,
10266 						 false);
10267 	}
10268 
10269 	vport->port_base_vlan_cfg.tbl_sta = false;
10270 
10271 	/* force add VLAN 0 */
10272 	ret = hclge_set_vf_vlan_common(hdev, vport->vport_id, false, 0);
10273 	if (ret)
10274 		return ret;
10275 
10276 	ret = hclge_set_vlan_filter_hw(hdev, htons(old_info->vlan_proto),
10277 				       vport->vport_id, old_info->vlan_tag,
10278 				       true);
10279 	if (ret)
10280 		return ret;
10281 
10282 	return hclge_add_vport_all_vlan_table(vport);
10283 }
10284 
hclge_need_update_vlan_filter(const struct hclge_vlan_info * new_cfg,const struct hclge_vlan_info * old_cfg)10285 static bool hclge_need_update_vlan_filter(const struct hclge_vlan_info *new_cfg,
10286 					  const struct hclge_vlan_info *old_cfg)
10287 {
10288 	if (new_cfg->vlan_tag != old_cfg->vlan_tag)
10289 		return true;
10290 
10291 	if (new_cfg->vlan_tag == 0 && (new_cfg->qos == 0 || old_cfg->qos == 0))
10292 		return true;
10293 
10294 	return false;
10295 }
10296 
hclge_modify_port_base_vlan_tag(struct hclge_vport * vport,struct hclge_vlan_info * new_info,struct hclge_vlan_info * old_info)10297 static int hclge_modify_port_base_vlan_tag(struct hclge_vport *vport,
10298 					   struct hclge_vlan_info *new_info,
10299 					   struct hclge_vlan_info *old_info)
10300 {
10301 	struct hclge_dev *hdev = vport->back;
10302 	int ret;
10303 
10304 	/* add new VLAN tag */
10305 	ret = hclge_set_vlan_filter_hw(hdev, htons(new_info->vlan_proto),
10306 				       vport->vport_id, new_info->vlan_tag,
10307 				       false);
10308 	if (ret)
10309 		return ret;
10310 
10311 	vport->port_base_vlan_cfg.tbl_sta = false;
10312 	/* remove old VLAN tag */
10313 	if (old_info->vlan_tag == 0)
10314 		ret = hclge_set_vf_vlan_common(hdev, vport->vport_id,
10315 					       true, 0);
10316 	else
10317 		ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
10318 					       vport->vport_id,
10319 					       old_info->vlan_tag, true);
10320 	if (ret)
10321 		dev_err(&hdev->pdev->dev,
10322 			"failed to clear vport%u port base vlan %u, ret = %d.\n",
10323 			vport->vport_id, old_info->vlan_tag, ret);
10324 
10325 	return ret;
10326 }
10327 
hclge_update_port_base_vlan_cfg(struct hclge_vport * vport,u16 state,struct hclge_vlan_info * vlan_info)10328 int hclge_update_port_base_vlan_cfg(struct hclge_vport *vport, u16 state,
10329 				    struct hclge_vlan_info *vlan_info)
10330 {
10331 	struct hnae3_handle *nic = &vport->nic;
10332 	struct hclge_vlan_info *old_vlan_info;
10333 	int ret;
10334 
10335 	old_vlan_info = &vport->port_base_vlan_cfg.vlan_info;
10336 
10337 	ret = hclge_vlan_offload_cfg(vport, state, vlan_info->vlan_tag,
10338 				     vlan_info->qos);
10339 	if (ret)
10340 		return ret;
10341 
10342 	if (!hclge_need_update_vlan_filter(vlan_info, old_vlan_info))
10343 		goto out;
10344 
10345 	if (state == HNAE3_PORT_BASE_VLAN_MODIFY)
10346 		ret = hclge_modify_port_base_vlan_tag(vport, vlan_info,
10347 						      old_vlan_info);
10348 	else
10349 		ret = hclge_update_vlan_filter_entries(vport, state, vlan_info,
10350 						       old_vlan_info);
10351 	if (ret)
10352 		return ret;
10353 
10354 out:
10355 	vport->port_base_vlan_cfg.state = state;
10356 	if (state == HNAE3_PORT_BASE_VLAN_DISABLE)
10357 		nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_DISABLE;
10358 	else
10359 		nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_ENABLE;
10360 
10361 	vport->port_base_vlan_cfg.old_vlan_info = *old_vlan_info;
10362 	vport->port_base_vlan_cfg.vlan_info = *vlan_info;
10363 	vport->port_base_vlan_cfg.tbl_sta = true;
10364 	hclge_set_vport_vlan_fltr_change(vport);
10365 
10366 	return 0;
10367 }
10368 
hclge_get_port_base_vlan_state(struct hclge_vport * vport,enum hnae3_port_base_vlan_state state,u16 vlan,u8 qos)10369 static u16 hclge_get_port_base_vlan_state(struct hclge_vport *vport,
10370 					  enum hnae3_port_base_vlan_state state,
10371 					  u16 vlan, u8 qos)
10372 {
10373 	if (state == HNAE3_PORT_BASE_VLAN_DISABLE) {
10374 		if (!vlan && !qos)
10375 			return HNAE3_PORT_BASE_VLAN_NOCHANGE;
10376 
10377 		return HNAE3_PORT_BASE_VLAN_ENABLE;
10378 	}
10379 
10380 	if (!vlan && !qos)
10381 		return HNAE3_PORT_BASE_VLAN_DISABLE;
10382 
10383 	if (vport->port_base_vlan_cfg.vlan_info.vlan_tag == vlan &&
10384 	    vport->port_base_vlan_cfg.vlan_info.qos == qos)
10385 		return HNAE3_PORT_BASE_VLAN_NOCHANGE;
10386 
10387 	return HNAE3_PORT_BASE_VLAN_MODIFY;
10388 }
10389 
hclge_set_vf_vlan_filter(struct hnae3_handle * handle,int vfid,u16 vlan,u8 qos,__be16 proto)10390 static int hclge_set_vf_vlan_filter(struct hnae3_handle *handle, int vfid,
10391 				    u16 vlan, u8 qos, __be16 proto)
10392 {
10393 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
10394 	struct hclge_vport *vport = hclge_get_vport(handle);
10395 	struct hclge_dev *hdev = vport->back;
10396 	struct hclge_vlan_info vlan_info;
10397 	u16 state;
10398 	int ret;
10399 
10400 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
10401 		return -EOPNOTSUPP;
10402 
10403 	vport = hclge_get_vf_vport(hdev, vfid);
10404 	if (!vport)
10405 		return -EINVAL;
10406 
10407 	/* qos is a 3 bits value, so can not be bigger than 7 */
10408 	if (vlan > VLAN_N_VID - 1 || qos > 7)
10409 		return -EINVAL;
10410 	if (proto != htons(ETH_P_8021Q))
10411 		return -EPROTONOSUPPORT;
10412 
10413 	state = hclge_get_port_base_vlan_state(vport,
10414 					       vport->port_base_vlan_cfg.state,
10415 					       vlan, qos);
10416 	if (state == HNAE3_PORT_BASE_VLAN_NOCHANGE)
10417 		return 0;
10418 
10419 	vlan_info.vlan_tag = vlan;
10420 	vlan_info.qos = qos;
10421 	vlan_info.vlan_proto = ntohs(proto);
10422 
10423 	ret = hclge_update_port_base_vlan_cfg(vport, state, &vlan_info);
10424 	if (ret) {
10425 		dev_err(&hdev->pdev->dev,
10426 			"failed to update port base vlan for vf %d, ret = %d\n",
10427 			vfid, ret);
10428 		return ret;
10429 	}
10430 
10431 	/* there is a timewindow for PF to know VF unalive, it may
10432 	 * cause send mailbox fail, but it doesn't matter, VF will
10433 	 * query it when reinit.
10434 	 * for DEVICE_VERSION_V3, vf doesn't need to know about the port based
10435 	 * VLAN state.
10436 	 */
10437 	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3) {
10438 		if (test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state))
10439 			(void)hclge_push_vf_port_base_vlan_info(&hdev->vport[0],
10440 								vport->vport_id,
10441 								state,
10442 								&vlan_info);
10443 		else
10444 			set_bit(HCLGE_VPORT_NEED_NOTIFY_VF_VLAN,
10445 				&vport->need_notify);
10446 	}
10447 	return 0;
10448 }
10449 
hclge_clear_vf_vlan(struct hclge_dev * hdev)10450 static void hclge_clear_vf_vlan(struct hclge_dev *hdev)
10451 {
10452 	struct hclge_vlan_info *vlan_info;
10453 	struct hclge_vport *vport;
10454 	int ret;
10455 	int vf;
10456 
10457 	/* clear port base vlan for all vf */
10458 	for (vf = HCLGE_VF_VPORT_START_NUM; vf < hdev->num_alloc_vport; vf++) {
10459 		vport = &hdev->vport[vf];
10460 		vlan_info = &vport->port_base_vlan_cfg.vlan_info;
10461 
10462 		ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
10463 					       vport->vport_id,
10464 					       vlan_info->vlan_tag, true);
10465 		if (ret)
10466 			dev_err(&hdev->pdev->dev,
10467 				"failed to clear vf vlan for vf%d, ret = %d\n",
10468 				vf - HCLGE_VF_VPORT_START_NUM, ret);
10469 	}
10470 }
10471 
hclge_set_vlan_filter(struct hnae3_handle * handle,__be16 proto,u16 vlan_id,bool is_kill)10472 int hclge_set_vlan_filter(struct hnae3_handle *handle, __be16 proto,
10473 			  u16 vlan_id, bool is_kill)
10474 {
10475 	struct hclge_vport *vport = hclge_get_vport(handle);
10476 	struct hclge_dev *hdev = vport->back;
10477 	bool writen_to_tbl = false;
10478 	int ret = 0;
10479 
10480 	/* When device is resetting or reset failed, firmware is unable to
10481 	 * handle mailbox. Just record the vlan id, and remove it after
10482 	 * reset finished.
10483 	 */
10484 	mutex_lock(&hdev->vport_lock);
10485 	if ((test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) ||
10486 	     test_bit(HCLGE_STATE_RST_FAIL, &hdev->state)) && is_kill) {
10487 		set_bit(vlan_id, vport->vlan_del_fail_bmap);
10488 		mutex_unlock(&hdev->vport_lock);
10489 		return -EBUSY;
10490 	} else if (!is_kill && test_bit(vlan_id, vport->vlan_del_fail_bmap)) {
10491 		clear_bit(vlan_id, vport->vlan_del_fail_bmap);
10492 	}
10493 	mutex_unlock(&hdev->vport_lock);
10494 
10495 	/* when port base vlan enabled, we use port base vlan as the vlan
10496 	 * filter entry. In this case, we don't update vlan filter table
10497 	 * when user add new vlan or remove exist vlan, just update the vport
10498 	 * vlan list. The vlan id in vlan list will be writen in vlan filter
10499 	 * table until port base vlan disabled
10500 	 */
10501 	if (handle->port_base_vlan_state == HNAE3_PORT_BASE_VLAN_DISABLE) {
10502 		ret = hclge_set_vlan_filter_hw(hdev, proto, vport->vport_id,
10503 					       vlan_id, is_kill);
10504 		writen_to_tbl = true;
10505 	}
10506 
10507 	if (!ret) {
10508 		if (!is_kill) {
10509 			hclge_add_vport_vlan_table(vport, vlan_id,
10510 						   writen_to_tbl);
10511 		} else if (is_kill && vlan_id != 0) {
10512 			mutex_lock(&hdev->vport_lock);
10513 			hclge_rm_vport_vlan_table(vport, vlan_id, false);
10514 			mutex_unlock(&hdev->vport_lock);
10515 		}
10516 	} else if (is_kill) {
10517 		/* when remove hw vlan filter failed, record the vlan id,
10518 		 * and try to remove it from hw later, to be consistence
10519 		 * with stack
10520 		 */
10521 		mutex_lock(&hdev->vport_lock);
10522 		set_bit(vlan_id, vport->vlan_del_fail_bmap);
10523 		mutex_unlock(&hdev->vport_lock);
10524 	}
10525 
10526 	hclge_set_vport_vlan_fltr_change(vport);
10527 
10528 	return ret;
10529 }
10530 
hclge_sync_vlan_fltr_state(struct hclge_dev * hdev)10531 static void hclge_sync_vlan_fltr_state(struct hclge_dev *hdev)
10532 {
10533 	struct hclge_vport *vport;
10534 	int ret;
10535 	u16 i;
10536 
10537 	for (i = 0; i < hdev->num_alloc_vport; i++) {
10538 		vport = &hdev->vport[i];
10539 		if (!test_and_clear_bit(HCLGE_VPORT_STATE_VLAN_FLTR_CHANGE,
10540 					&vport->state))
10541 			continue;
10542 
10543 		ret = hclge_enable_vport_vlan_filter(vport,
10544 						     vport->req_vlan_fltr_en);
10545 		if (ret) {
10546 			dev_err(&hdev->pdev->dev,
10547 				"failed to sync vlan filter state for vport%u, ret = %d\n",
10548 				vport->vport_id, ret);
10549 			set_bit(HCLGE_VPORT_STATE_VLAN_FLTR_CHANGE,
10550 				&vport->state);
10551 			return;
10552 		}
10553 	}
10554 }
10555 
hclge_sync_vlan_filter(struct hclge_dev * hdev)10556 static void hclge_sync_vlan_filter(struct hclge_dev *hdev)
10557 {
10558 #define HCLGE_MAX_SYNC_COUNT	60
10559 
10560 	int i, ret, sync_cnt = 0;
10561 	u16 vlan_id;
10562 
10563 	mutex_lock(&hdev->vport_lock);
10564 	/* start from vport 1 for PF is always alive */
10565 	for (i = 0; i < hdev->num_alloc_vport; i++) {
10566 		struct hclge_vport *vport = &hdev->vport[i];
10567 
10568 		vlan_id = find_first_bit(vport->vlan_del_fail_bmap,
10569 					 VLAN_N_VID);
10570 		while (vlan_id != VLAN_N_VID) {
10571 			ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
10572 						       vport->vport_id, vlan_id,
10573 						       true);
10574 			if (ret && ret != -EINVAL) {
10575 				mutex_unlock(&hdev->vport_lock);
10576 				return;
10577 			}
10578 
10579 			clear_bit(vlan_id, vport->vlan_del_fail_bmap);
10580 			hclge_rm_vport_vlan_table(vport, vlan_id, false);
10581 			hclge_set_vport_vlan_fltr_change(vport);
10582 
10583 			sync_cnt++;
10584 			if (sync_cnt >= HCLGE_MAX_SYNC_COUNT) {
10585 				mutex_unlock(&hdev->vport_lock);
10586 				return;
10587 			}
10588 
10589 			vlan_id = find_first_bit(vport->vlan_del_fail_bmap,
10590 						 VLAN_N_VID);
10591 		}
10592 	}
10593 	mutex_unlock(&hdev->vport_lock);
10594 
10595 	hclge_sync_vlan_fltr_state(hdev);
10596 }
10597 
hclge_set_mac_mtu(struct hclge_dev * hdev,int new_mps)10598 static int hclge_set_mac_mtu(struct hclge_dev *hdev, int new_mps)
10599 {
10600 	struct hclge_config_max_frm_size_cmd *req;
10601 	struct hclge_desc desc;
10602 
10603 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAX_FRM_SIZE, false);
10604 
10605 	req = (struct hclge_config_max_frm_size_cmd *)desc.data;
10606 	req->max_frm_size = cpu_to_le16(new_mps);
10607 	req->min_frm_size = HCLGE_MAC_MIN_FRAME;
10608 
10609 	return hclge_cmd_send(&hdev->hw, &desc, 1);
10610 }
10611 
hclge_set_mtu(struct hnae3_handle * handle,int new_mtu)10612 static int hclge_set_mtu(struct hnae3_handle *handle, int new_mtu)
10613 {
10614 	struct hclge_vport *vport = hclge_get_vport(handle);
10615 
10616 	return hclge_set_vport_mtu(vport, new_mtu);
10617 }
10618 
hclge_set_vport_mtu(struct hclge_vport * vport,int new_mtu)10619 int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu)
10620 {
10621 	struct hclge_dev *hdev = vport->back;
10622 	int i, max_frm_size, ret;
10623 
10624 	/* HW supprt 2 layer vlan */
10625 	max_frm_size = new_mtu + ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN;
10626 	if (max_frm_size < HCLGE_MAC_MIN_FRAME ||
10627 	    max_frm_size > hdev->ae_dev->dev_specs.max_frm_size)
10628 		return -EINVAL;
10629 
10630 	max_frm_size = max(max_frm_size, HCLGE_MAC_DEFAULT_FRAME);
10631 	mutex_lock(&hdev->vport_lock);
10632 	/* VF's mps must fit within hdev->mps */
10633 	if (vport->vport_id && max_frm_size > hdev->mps) {
10634 		mutex_unlock(&hdev->vport_lock);
10635 		return -EINVAL;
10636 	} else if (vport->vport_id) {
10637 		vport->mps = max_frm_size;
10638 		mutex_unlock(&hdev->vport_lock);
10639 		return 0;
10640 	}
10641 
10642 	/* PF's mps must be greater then VF's mps */
10643 	for (i = 1; i < hdev->num_alloc_vport; i++)
10644 		if (max_frm_size < hdev->vport[i].mps) {
10645 			dev_err(&hdev->pdev->dev,
10646 				"failed to set pf mtu for less than vport %d, mps = %u.\n",
10647 				i, hdev->vport[i].mps);
10648 			mutex_unlock(&hdev->vport_lock);
10649 			return -EINVAL;
10650 		}
10651 
10652 	hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
10653 
10654 	ret = hclge_set_mac_mtu(hdev, max_frm_size);
10655 	if (ret) {
10656 		dev_err(&hdev->pdev->dev,
10657 			"Change mtu fail, ret =%d\n", ret);
10658 		goto out;
10659 	}
10660 
10661 	hdev->mps = max_frm_size;
10662 	vport->mps = max_frm_size;
10663 
10664 	ret = hclge_buffer_alloc(hdev);
10665 	if (ret)
10666 		dev_err(&hdev->pdev->dev,
10667 			"Allocate buffer fail, ret =%d\n", ret);
10668 
10669 out:
10670 	hclge_notify_client(hdev, HNAE3_UP_CLIENT);
10671 	mutex_unlock(&hdev->vport_lock);
10672 	return ret;
10673 }
10674 
hclge_reset_tqp_cmd_send(struct hclge_dev * hdev,u16 queue_id,bool enable)10675 static int hclge_reset_tqp_cmd_send(struct hclge_dev *hdev, u16 queue_id,
10676 				    bool enable)
10677 {
10678 	struct hclge_reset_tqp_queue_cmd *req;
10679 	struct hclge_desc desc;
10680 	int ret;
10681 
10682 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RESET_TQP_QUEUE, false);
10683 
10684 	req = (struct hclge_reset_tqp_queue_cmd *)desc.data;
10685 	req->tqp_id = cpu_to_le16(queue_id);
10686 	if (enable)
10687 		hnae3_set_bit(req->reset_req, HCLGE_TQP_RESET_B, 1U);
10688 
10689 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
10690 	if (ret) {
10691 		dev_err(&hdev->pdev->dev,
10692 			"Send tqp reset cmd error, status =%d\n", ret);
10693 		return ret;
10694 	}
10695 
10696 	return 0;
10697 }
10698 
hclge_get_reset_status(struct hclge_dev * hdev,u16 queue_id,u8 * reset_status)10699 static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id,
10700 				  u8 *reset_status)
10701 {
10702 	struct hclge_reset_tqp_queue_cmd *req;
10703 	struct hclge_desc desc;
10704 	int ret;
10705 
10706 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RESET_TQP_QUEUE, true);
10707 
10708 	req = (struct hclge_reset_tqp_queue_cmd *)desc.data;
10709 	req->tqp_id = cpu_to_le16(queue_id);
10710 
10711 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
10712 	if (ret) {
10713 		dev_err(&hdev->pdev->dev,
10714 			"Get reset status error, status =%d\n", ret);
10715 		return ret;
10716 	}
10717 
10718 	*reset_status = hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B);
10719 
10720 	return 0;
10721 }
10722 
hclge_covert_handle_qid_global(struct hnae3_handle * handle,u16 queue_id)10723 u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id)
10724 {
10725 	struct hclge_comm_tqp *tqp;
10726 	struct hnae3_queue *queue;
10727 
10728 	queue = handle->kinfo.tqp[queue_id];
10729 	tqp = container_of(queue, struct hclge_comm_tqp, q);
10730 
10731 	return tqp->index;
10732 }
10733 
hclge_reset_tqp_cmd(struct hnae3_handle * handle)10734 static int hclge_reset_tqp_cmd(struct hnae3_handle *handle)
10735 {
10736 	struct hclge_vport *vport = hclge_get_vport(handle);
10737 	struct hclge_dev *hdev = vport->back;
10738 	u16 reset_try_times = 0;
10739 	u8 reset_status;
10740 	u16 queue_gid;
10741 	int ret;
10742 	u16 i;
10743 
10744 	for (i = 0; i < handle->kinfo.num_tqps; i++) {
10745 		queue_gid = hclge_covert_handle_qid_global(handle, i);
10746 		ret = hclge_reset_tqp_cmd_send(hdev, queue_gid, true);
10747 		if (ret) {
10748 			dev_err(&hdev->pdev->dev,
10749 				"failed to send reset tqp cmd, ret = %d\n",
10750 				ret);
10751 			return ret;
10752 		}
10753 
10754 		while (reset_try_times++ < HCLGE_TQP_RESET_TRY_TIMES) {
10755 			ret = hclge_get_reset_status(hdev, queue_gid,
10756 						     &reset_status);
10757 			if (ret)
10758 				return ret;
10759 
10760 			if (reset_status)
10761 				break;
10762 
10763 			/* Wait for tqp hw reset */
10764 			usleep_range(1000, 1200);
10765 		}
10766 
10767 		if (reset_try_times >= HCLGE_TQP_RESET_TRY_TIMES) {
10768 			dev_err(&hdev->pdev->dev,
10769 				"wait for tqp hw reset timeout\n");
10770 			return -ETIME;
10771 		}
10772 
10773 		ret = hclge_reset_tqp_cmd_send(hdev, queue_gid, false);
10774 		if (ret) {
10775 			dev_err(&hdev->pdev->dev,
10776 				"failed to deassert soft reset, ret = %d\n",
10777 				ret);
10778 			return ret;
10779 		}
10780 		reset_try_times = 0;
10781 	}
10782 	return 0;
10783 }
10784 
hclge_reset_rcb(struct hnae3_handle * handle)10785 static int hclge_reset_rcb(struct hnae3_handle *handle)
10786 {
10787 #define HCLGE_RESET_RCB_NOT_SUPPORT	0U
10788 #define HCLGE_RESET_RCB_SUCCESS		1U
10789 
10790 	struct hclge_vport *vport = hclge_get_vport(handle);
10791 	struct hclge_dev *hdev = vport->back;
10792 	struct hclge_reset_cmd *req;
10793 	struct hclge_desc desc;
10794 	u8 return_status;
10795 	u16 queue_gid;
10796 	int ret;
10797 
10798 	queue_gid = hclge_covert_handle_qid_global(handle, 0);
10799 
10800 	req = (struct hclge_reset_cmd *)desc.data;
10801 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_RST_TRIGGER, false);
10802 	hnae3_set_bit(req->fun_reset_rcb, HCLGE_CFG_RESET_RCB_B, 1);
10803 	req->fun_reset_rcb_vqid_start = cpu_to_le16(queue_gid);
10804 	req->fun_reset_rcb_vqid_num = cpu_to_le16(handle->kinfo.num_tqps);
10805 
10806 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
10807 	if (ret) {
10808 		dev_err(&hdev->pdev->dev,
10809 			"failed to send rcb reset cmd, ret = %d\n", ret);
10810 		return ret;
10811 	}
10812 
10813 	return_status = req->fun_reset_rcb_return_status;
10814 	if (return_status == HCLGE_RESET_RCB_SUCCESS)
10815 		return 0;
10816 
10817 	if (return_status != HCLGE_RESET_RCB_NOT_SUPPORT) {
10818 		dev_err(&hdev->pdev->dev, "failed to reset rcb, ret = %u\n",
10819 			return_status);
10820 		return -EIO;
10821 	}
10822 
10823 	/* if reset rcb cmd is unsupported, we need to send reset tqp cmd
10824 	 * again to reset all tqps
10825 	 */
10826 	return hclge_reset_tqp_cmd(handle);
10827 }
10828 
hclge_reset_tqp(struct hnae3_handle * handle)10829 int hclge_reset_tqp(struct hnae3_handle *handle)
10830 {
10831 	struct hclge_vport *vport = hclge_get_vport(handle);
10832 	struct hclge_dev *hdev = vport->back;
10833 	int ret;
10834 
10835 	/* only need to disable PF's tqp */
10836 	if (!vport->vport_id) {
10837 		ret = hclge_tqp_enable(handle, false);
10838 		if (ret) {
10839 			dev_err(&hdev->pdev->dev,
10840 				"failed to disable tqp, ret = %d\n", ret);
10841 			return ret;
10842 		}
10843 	}
10844 
10845 	return hclge_reset_rcb(handle);
10846 }
10847 
hclge_get_fw_version(struct hnae3_handle * handle)10848 static u32 hclge_get_fw_version(struct hnae3_handle *handle)
10849 {
10850 	struct hclge_vport *vport = hclge_get_vport(handle);
10851 	struct hclge_dev *hdev = vport->back;
10852 
10853 	return hdev->fw_version;
10854 }
10855 
hclge_set_flowctrl_adv(struct hclge_dev * hdev,u32 rx_en,u32 tx_en)10856 static void hclge_set_flowctrl_adv(struct hclge_dev *hdev, u32 rx_en, u32 tx_en)
10857 {
10858 	struct phy_device *phydev = hdev->hw.mac.phydev;
10859 
10860 	if (!phydev)
10861 		return;
10862 
10863 	phy_set_asym_pause(phydev, rx_en, tx_en);
10864 }
10865 
hclge_cfg_pauseparam(struct hclge_dev * hdev,u32 rx_en,u32 tx_en)10866 static int hclge_cfg_pauseparam(struct hclge_dev *hdev, u32 rx_en, u32 tx_en)
10867 {
10868 	int ret;
10869 
10870 	if (hdev->tm_info.fc_mode == HCLGE_FC_PFC)
10871 		return 0;
10872 
10873 	ret = hclge_mac_pause_en_cfg(hdev, tx_en, rx_en);
10874 	if (ret)
10875 		dev_err(&hdev->pdev->dev,
10876 			"configure pauseparam error, ret = %d.\n", ret);
10877 
10878 	return ret;
10879 }
10880 
hclge_cfg_flowctrl(struct hclge_dev * hdev)10881 int hclge_cfg_flowctrl(struct hclge_dev *hdev)
10882 {
10883 	struct phy_device *phydev = hdev->hw.mac.phydev;
10884 	u16 remote_advertising = 0;
10885 	u16 local_advertising;
10886 	u32 rx_pause, tx_pause;
10887 	u8 flowctl;
10888 
10889 	if (!phydev->link)
10890 		return 0;
10891 
10892 	if (!phydev->autoneg)
10893 		return hclge_mac_pause_setup_hw(hdev);
10894 
10895 	local_advertising = linkmode_adv_to_lcl_adv_t(phydev->advertising);
10896 
10897 	if (phydev->pause)
10898 		remote_advertising = LPA_PAUSE_CAP;
10899 
10900 	if (phydev->asym_pause)
10901 		remote_advertising |= LPA_PAUSE_ASYM;
10902 
10903 	flowctl = mii_resolve_flowctrl_fdx(local_advertising,
10904 					   remote_advertising);
10905 	tx_pause = flowctl & FLOW_CTRL_TX;
10906 	rx_pause = flowctl & FLOW_CTRL_RX;
10907 
10908 	if (phydev->duplex == HCLGE_MAC_HALF) {
10909 		tx_pause = 0;
10910 		rx_pause = 0;
10911 	}
10912 
10913 	return hclge_cfg_pauseparam(hdev, rx_pause, tx_pause);
10914 }
10915 
hclge_get_pauseparam(struct hnae3_handle * handle,u32 * auto_neg,u32 * rx_en,u32 * tx_en)10916 static void hclge_get_pauseparam(struct hnae3_handle *handle, u32 *auto_neg,
10917 				 u32 *rx_en, u32 *tx_en)
10918 {
10919 	struct hclge_vport *vport = hclge_get_vport(handle);
10920 	struct hclge_dev *hdev = vport->back;
10921 	u8 media_type = hdev->hw.mac.media_type;
10922 
10923 	*auto_neg = (media_type == HNAE3_MEDIA_TYPE_COPPER) ?
10924 		    hclge_get_autoneg(handle) : 0;
10925 
10926 	if (hdev->tm_info.fc_mode == HCLGE_FC_PFC) {
10927 		*rx_en = 0;
10928 		*tx_en = 0;
10929 		return;
10930 	}
10931 
10932 	if (hdev->tm_info.fc_mode == HCLGE_FC_RX_PAUSE) {
10933 		*rx_en = 1;
10934 		*tx_en = 0;
10935 	} else if (hdev->tm_info.fc_mode == HCLGE_FC_TX_PAUSE) {
10936 		*tx_en = 1;
10937 		*rx_en = 0;
10938 	} else if (hdev->tm_info.fc_mode == HCLGE_FC_FULL) {
10939 		*rx_en = 1;
10940 		*tx_en = 1;
10941 	} else {
10942 		*rx_en = 0;
10943 		*tx_en = 0;
10944 	}
10945 }
10946 
hclge_record_user_pauseparam(struct hclge_dev * hdev,u32 rx_en,u32 tx_en)10947 static void hclge_record_user_pauseparam(struct hclge_dev *hdev,
10948 					 u32 rx_en, u32 tx_en)
10949 {
10950 	if (rx_en && tx_en)
10951 		hdev->fc_mode_last_time = HCLGE_FC_FULL;
10952 	else if (rx_en && !tx_en)
10953 		hdev->fc_mode_last_time = HCLGE_FC_RX_PAUSE;
10954 	else if (!rx_en && tx_en)
10955 		hdev->fc_mode_last_time = HCLGE_FC_TX_PAUSE;
10956 	else
10957 		hdev->fc_mode_last_time = HCLGE_FC_NONE;
10958 
10959 	hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
10960 }
10961 
hclge_set_pauseparam(struct hnae3_handle * handle,u32 auto_neg,u32 rx_en,u32 tx_en)10962 static int hclge_set_pauseparam(struct hnae3_handle *handle, u32 auto_neg,
10963 				u32 rx_en, u32 tx_en)
10964 {
10965 	struct hclge_vport *vport = hclge_get_vport(handle);
10966 	struct hclge_dev *hdev = vport->back;
10967 	struct phy_device *phydev = hdev->hw.mac.phydev;
10968 	u32 fc_autoneg;
10969 
10970 	if (phydev || hnae3_dev_phy_imp_supported(hdev)) {
10971 		fc_autoneg = hclge_get_autoneg(handle);
10972 		if (auto_neg != fc_autoneg) {
10973 			dev_info(&hdev->pdev->dev,
10974 				 "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
10975 			return -EOPNOTSUPP;
10976 		}
10977 	}
10978 
10979 	if (hdev->tm_info.fc_mode == HCLGE_FC_PFC) {
10980 		dev_info(&hdev->pdev->dev,
10981 			 "Priority flow control enabled. Cannot set link flow control.\n");
10982 		return -EOPNOTSUPP;
10983 	}
10984 
10985 	hclge_set_flowctrl_adv(hdev, rx_en, tx_en);
10986 
10987 	hclge_record_user_pauseparam(hdev, rx_en, tx_en);
10988 
10989 	if (!auto_neg || hnae3_dev_phy_imp_supported(hdev))
10990 		return hclge_cfg_pauseparam(hdev, rx_en, tx_en);
10991 
10992 	if (phydev)
10993 		return phy_start_aneg(phydev);
10994 
10995 	return -EOPNOTSUPP;
10996 }
10997 
hclge_get_ksettings_an_result(struct hnae3_handle * handle,u8 * auto_neg,u32 * speed,u8 * duplex,u32 * lane_num)10998 static void hclge_get_ksettings_an_result(struct hnae3_handle *handle,
10999 					  u8 *auto_neg, u32 *speed, u8 *duplex, u32 *lane_num)
11000 {
11001 	struct hclge_vport *vport = hclge_get_vport(handle);
11002 	struct hclge_dev *hdev = vport->back;
11003 
11004 	if (speed)
11005 		*speed = hdev->hw.mac.speed;
11006 	if (duplex)
11007 		*duplex = hdev->hw.mac.duplex;
11008 	if (auto_neg)
11009 		*auto_neg = hdev->hw.mac.autoneg;
11010 	if (lane_num)
11011 		*lane_num = hdev->hw.mac.lane_num;
11012 }
11013 
hclge_get_media_type(struct hnae3_handle * handle,u8 * media_type,u8 * module_type)11014 static void hclge_get_media_type(struct hnae3_handle *handle, u8 *media_type,
11015 				 u8 *module_type)
11016 {
11017 	struct hclge_vport *vport = hclge_get_vport(handle);
11018 	struct hclge_dev *hdev = vport->back;
11019 
11020 	/* When nic is down, the service task is not running, doesn't update
11021 	 * the port information per second. Query the port information before
11022 	 * return the media type, ensure getting the correct media information.
11023 	 */
11024 	hclge_update_port_info(hdev);
11025 
11026 	if (media_type)
11027 		*media_type = hdev->hw.mac.media_type;
11028 
11029 	if (module_type)
11030 		*module_type = hdev->hw.mac.module_type;
11031 }
11032 
hclge_get_mdix_mode(struct hnae3_handle * handle,u8 * tp_mdix_ctrl,u8 * tp_mdix)11033 static void hclge_get_mdix_mode(struct hnae3_handle *handle,
11034 				u8 *tp_mdix_ctrl, u8 *tp_mdix)
11035 {
11036 	struct hclge_vport *vport = hclge_get_vport(handle);
11037 	struct hclge_dev *hdev = vport->back;
11038 	struct phy_device *phydev = hdev->hw.mac.phydev;
11039 	int mdix_ctrl, mdix, is_resolved;
11040 	unsigned int retval;
11041 
11042 	if (!phydev) {
11043 		*tp_mdix_ctrl = ETH_TP_MDI_INVALID;
11044 		*tp_mdix = ETH_TP_MDI_INVALID;
11045 		return;
11046 	}
11047 
11048 	phy_write(phydev, HCLGE_PHY_PAGE_REG, HCLGE_PHY_PAGE_MDIX);
11049 
11050 	retval = phy_read(phydev, HCLGE_PHY_CSC_REG);
11051 	mdix_ctrl = hnae3_get_field(retval, HCLGE_PHY_MDIX_CTRL_M,
11052 				    HCLGE_PHY_MDIX_CTRL_S);
11053 
11054 	retval = phy_read(phydev, HCLGE_PHY_CSS_REG);
11055 	mdix = hnae3_get_bit(retval, HCLGE_PHY_MDIX_STATUS_B);
11056 	is_resolved = hnae3_get_bit(retval, HCLGE_PHY_SPEED_DUP_RESOLVE_B);
11057 
11058 	phy_write(phydev, HCLGE_PHY_PAGE_REG, HCLGE_PHY_PAGE_COPPER);
11059 
11060 	switch (mdix_ctrl) {
11061 	case 0x0:
11062 		*tp_mdix_ctrl = ETH_TP_MDI;
11063 		break;
11064 	case 0x1:
11065 		*tp_mdix_ctrl = ETH_TP_MDI_X;
11066 		break;
11067 	case 0x3:
11068 		*tp_mdix_ctrl = ETH_TP_MDI_AUTO;
11069 		break;
11070 	default:
11071 		*tp_mdix_ctrl = ETH_TP_MDI_INVALID;
11072 		break;
11073 	}
11074 
11075 	if (!is_resolved)
11076 		*tp_mdix = ETH_TP_MDI_INVALID;
11077 	else if (mdix)
11078 		*tp_mdix = ETH_TP_MDI_X;
11079 	else
11080 		*tp_mdix = ETH_TP_MDI;
11081 }
11082 
hclge_info_show(struct hclge_dev * hdev)11083 static void hclge_info_show(struct hclge_dev *hdev)
11084 {
11085 	struct hnae3_handle *handle = &hdev->vport->nic;
11086 	struct device *dev = &hdev->pdev->dev;
11087 
11088 	dev_info(dev, "PF info begin:\n");
11089 
11090 	dev_info(dev, "Task queue pairs numbers: %u\n", hdev->num_tqps);
11091 	dev_info(dev, "Desc num per TX queue: %u\n", hdev->num_tx_desc);
11092 	dev_info(dev, "Desc num per RX queue: %u\n", hdev->num_rx_desc);
11093 	dev_info(dev, "Numbers of vports: %u\n", hdev->num_alloc_vport);
11094 	dev_info(dev, "Numbers of VF for this PF: %u\n", hdev->num_req_vfs);
11095 	dev_info(dev, "HW tc map: 0x%x\n", hdev->hw_tc_map);
11096 	dev_info(dev, "Total buffer size for TX/RX: %u\n", hdev->pkt_buf_size);
11097 	dev_info(dev, "TX buffer size for each TC: %u\n", hdev->tx_buf_size);
11098 	dev_info(dev, "DV buffer size for each TC: %u\n", hdev->dv_buf_size);
11099 	dev_info(dev, "This is %s PF\n",
11100 		 hdev->flag & HCLGE_FLAG_MAIN ? "main" : "not main");
11101 	dev_info(dev, "DCB %s\n",
11102 		 handle->kinfo.tc_info.dcb_ets_active ? "enable" : "disable");
11103 	dev_info(dev, "MQPRIO %s\n",
11104 		 handle->kinfo.tc_info.mqprio_active ? "enable" : "disable");
11105 	dev_info(dev, "Default tx spare buffer size: %u\n",
11106 		 hdev->tx_spare_buf_size);
11107 
11108 	dev_info(dev, "PF info end.\n");
11109 }
11110 
hclge_init_nic_client_instance(struct hnae3_ae_dev * ae_dev,struct hclge_vport * vport)11111 static int hclge_init_nic_client_instance(struct hnae3_ae_dev *ae_dev,
11112 					  struct hclge_vport *vport)
11113 {
11114 	struct hnae3_client *client = vport->nic.client;
11115 	struct hclge_dev *hdev = ae_dev->priv;
11116 	int rst_cnt = hdev->rst_stats.reset_cnt;
11117 	int ret;
11118 
11119 	ret = client->ops->init_instance(&vport->nic);
11120 	if (ret)
11121 		return ret;
11122 
11123 	set_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state);
11124 	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) ||
11125 	    rst_cnt != hdev->rst_stats.reset_cnt) {
11126 		ret = -EBUSY;
11127 		goto init_nic_err;
11128 	}
11129 
11130 	/* Enable nic hw error interrupts */
11131 	ret = hclge_config_nic_hw_error(hdev, true);
11132 	if (ret) {
11133 		dev_err(&ae_dev->pdev->dev,
11134 			"fail(%d) to enable hw error interrupts\n", ret);
11135 		goto init_nic_err;
11136 	}
11137 
11138 	hnae3_set_client_init_flag(client, ae_dev, 1);
11139 
11140 	if (netif_msg_drv(&hdev->vport->nic))
11141 		hclge_info_show(hdev);
11142 
11143 	return ret;
11144 
11145 init_nic_err:
11146 	clear_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state);
11147 	while (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
11148 		msleep(HCLGE_WAIT_RESET_DONE);
11149 
11150 	client->ops->uninit_instance(&vport->nic, 0);
11151 
11152 	return ret;
11153 }
11154 
hclge_init_roce_client_instance(struct hnae3_ae_dev * ae_dev,struct hclge_vport * vport)11155 static int hclge_init_roce_client_instance(struct hnae3_ae_dev *ae_dev,
11156 					   struct hclge_vport *vport)
11157 {
11158 	struct hclge_dev *hdev = ae_dev->priv;
11159 	struct hnae3_client *client;
11160 	int rst_cnt;
11161 	int ret;
11162 
11163 	if (!hnae3_dev_roce_supported(hdev) || !hdev->roce_client ||
11164 	    !hdev->nic_client)
11165 		return 0;
11166 
11167 	client = hdev->roce_client;
11168 	ret = hclge_init_roce_base_info(vport);
11169 	if (ret)
11170 		return ret;
11171 
11172 	rst_cnt = hdev->rst_stats.reset_cnt;
11173 	ret = client->ops->init_instance(&vport->roce);
11174 	if (ret)
11175 		return ret;
11176 
11177 	set_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state);
11178 	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) ||
11179 	    rst_cnt != hdev->rst_stats.reset_cnt) {
11180 		ret = -EBUSY;
11181 		goto init_roce_err;
11182 	}
11183 
11184 	/* Enable roce ras interrupts */
11185 	ret = hclge_config_rocee_ras_interrupt(hdev, true);
11186 	if (ret) {
11187 		dev_err(&ae_dev->pdev->dev,
11188 			"fail(%d) to enable roce ras interrupts\n", ret);
11189 		goto init_roce_err;
11190 	}
11191 
11192 	hnae3_set_client_init_flag(client, ae_dev, 1);
11193 
11194 	return 0;
11195 
11196 init_roce_err:
11197 	clear_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state);
11198 	while (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
11199 		msleep(HCLGE_WAIT_RESET_DONE);
11200 
11201 	hdev->roce_client->ops->uninit_instance(&vport->roce, 0);
11202 
11203 	return ret;
11204 }
11205 
hclge_init_client_instance(struct hnae3_client * client,struct hnae3_ae_dev * ae_dev)11206 static int hclge_init_client_instance(struct hnae3_client *client,
11207 				      struct hnae3_ae_dev *ae_dev)
11208 {
11209 	struct hclge_dev *hdev = ae_dev->priv;
11210 	struct hclge_vport *vport = &hdev->vport[0];
11211 	int ret;
11212 
11213 	switch (client->type) {
11214 	case HNAE3_CLIENT_KNIC:
11215 		hdev->nic_client = client;
11216 		vport->nic.client = client;
11217 		ret = hclge_init_nic_client_instance(ae_dev, vport);
11218 		if (ret)
11219 			goto clear_nic;
11220 
11221 		ret = hclge_init_roce_client_instance(ae_dev, vport);
11222 		if (ret)
11223 			goto clear_roce;
11224 
11225 		break;
11226 	case HNAE3_CLIENT_ROCE:
11227 		if (hnae3_dev_roce_supported(hdev)) {
11228 			hdev->roce_client = client;
11229 			vport->roce.client = client;
11230 		}
11231 
11232 		ret = hclge_init_roce_client_instance(ae_dev, vport);
11233 		if (ret)
11234 			goto clear_roce;
11235 
11236 		break;
11237 	default:
11238 		return -EINVAL;
11239 	}
11240 
11241 	return 0;
11242 
11243 clear_nic:
11244 	hdev->nic_client = NULL;
11245 	vport->nic.client = NULL;
11246 	return ret;
11247 clear_roce:
11248 	hdev->roce_client = NULL;
11249 	vport->roce.client = NULL;
11250 	return ret;
11251 }
11252 
hclge_uninit_need_wait(struct hclge_dev * hdev)11253 static bool hclge_uninit_need_wait(struct hclge_dev *hdev)
11254 {
11255 	return test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) ||
11256 	       test_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state);
11257 }
11258 
hclge_uninit_client_instance(struct hnae3_client * client,struct hnae3_ae_dev * ae_dev)11259 static void hclge_uninit_client_instance(struct hnae3_client *client,
11260 					 struct hnae3_ae_dev *ae_dev)
11261 {
11262 	struct hclge_dev *hdev = ae_dev->priv;
11263 	struct hclge_vport *vport = &hdev->vport[0];
11264 
11265 	if (hdev->roce_client) {
11266 		clear_bit(HCLGE_STATE_ROCE_REGISTERED, &hdev->state);
11267 		while (hclge_uninit_need_wait(hdev))
11268 			msleep(HCLGE_WAIT_RESET_DONE);
11269 
11270 		hdev->roce_client->ops->uninit_instance(&vport->roce, 0);
11271 		hdev->roce_client = NULL;
11272 		vport->roce.client = NULL;
11273 	}
11274 	if (client->type == HNAE3_CLIENT_ROCE)
11275 		return;
11276 	if (hdev->nic_client && client->ops->uninit_instance) {
11277 		clear_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state);
11278 		while (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
11279 			msleep(HCLGE_WAIT_RESET_DONE);
11280 
11281 		client->ops->uninit_instance(&vport->nic, 0);
11282 		hdev->nic_client = NULL;
11283 		vport->nic.client = NULL;
11284 	}
11285 }
11286 
hclge_dev_mem_map(struct hclge_dev * hdev)11287 static int hclge_dev_mem_map(struct hclge_dev *hdev)
11288 {
11289 	struct pci_dev *pdev = hdev->pdev;
11290 	struct hclge_hw *hw = &hdev->hw;
11291 
11292 	/* for device does not have device memory, return directly */
11293 	if (!(pci_select_bars(pdev, IORESOURCE_MEM) & BIT(HCLGE_MEM_BAR)))
11294 		return 0;
11295 
11296 	hw->hw.mem_base =
11297 		devm_ioremap_wc(&pdev->dev,
11298 				pci_resource_start(pdev, HCLGE_MEM_BAR),
11299 				pci_resource_len(pdev, HCLGE_MEM_BAR));
11300 	if (!hw->hw.mem_base) {
11301 		dev_err(&pdev->dev, "failed to map device memory\n");
11302 		return -EFAULT;
11303 	}
11304 
11305 	return 0;
11306 }
11307 
hclge_pci_init(struct hclge_dev * hdev)11308 static int hclge_pci_init(struct hclge_dev *hdev)
11309 {
11310 	struct pci_dev *pdev = hdev->pdev;
11311 	struct hclge_hw *hw;
11312 	int ret;
11313 
11314 	ret = pci_enable_device(pdev);
11315 	if (ret) {
11316 		dev_err(&pdev->dev, "failed to enable PCI device\n");
11317 		return ret;
11318 	}
11319 
11320 	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
11321 	if (ret) {
11322 		ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
11323 		if (ret) {
11324 			dev_err(&pdev->dev,
11325 				"can't set consistent PCI DMA");
11326 			goto err_disable_device;
11327 		}
11328 		dev_warn(&pdev->dev, "set DMA mask to 32 bits\n");
11329 	}
11330 
11331 	ret = pci_request_regions(pdev, HCLGE_DRIVER_NAME);
11332 	if (ret) {
11333 		dev_err(&pdev->dev, "PCI request regions failed %d\n", ret);
11334 		goto err_disable_device;
11335 	}
11336 
11337 	pci_set_master(pdev);
11338 	hw = &hdev->hw;
11339 	hw->hw.io_base = pcim_iomap(pdev, 2, 0);
11340 	if (!hw->hw.io_base) {
11341 		dev_err(&pdev->dev, "Can't map configuration register space\n");
11342 		ret = -ENOMEM;
11343 		goto err_release_regions;
11344 	}
11345 
11346 	ret = hclge_dev_mem_map(hdev);
11347 	if (ret)
11348 		goto err_unmap_io_base;
11349 
11350 	hdev->num_req_vfs = pci_sriov_get_totalvfs(pdev);
11351 
11352 	return 0;
11353 
11354 err_unmap_io_base:
11355 	pcim_iounmap(pdev, hdev->hw.hw.io_base);
11356 err_release_regions:
11357 	pci_release_regions(pdev);
11358 err_disable_device:
11359 	pci_disable_device(pdev);
11360 
11361 	return ret;
11362 }
11363 
hclge_pci_uninit(struct hclge_dev * hdev)11364 static void hclge_pci_uninit(struct hclge_dev *hdev)
11365 {
11366 	struct pci_dev *pdev = hdev->pdev;
11367 
11368 	if (hdev->hw.hw.mem_base)
11369 		devm_iounmap(&pdev->dev, hdev->hw.hw.mem_base);
11370 
11371 	pcim_iounmap(pdev, hdev->hw.hw.io_base);
11372 	pci_free_irq_vectors(pdev);
11373 	pci_release_mem_regions(pdev);
11374 	pci_disable_device(pdev);
11375 }
11376 
hclge_state_init(struct hclge_dev * hdev)11377 static void hclge_state_init(struct hclge_dev *hdev)
11378 {
11379 	set_bit(HCLGE_STATE_SERVICE_INITED, &hdev->state);
11380 	set_bit(HCLGE_STATE_DOWN, &hdev->state);
11381 	clear_bit(HCLGE_STATE_RST_SERVICE_SCHED, &hdev->state);
11382 	clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
11383 	clear_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
11384 	clear_bit(HCLGE_STATE_MBX_SERVICE_SCHED, &hdev->state);
11385 	clear_bit(HCLGE_STATE_MBX_HANDLING, &hdev->state);
11386 }
11387 
hclge_state_uninit(struct hclge_dev * hdev)11388 static void hclge_state_uninit(struct hclge_dev *hdev)
11389 {
11390 	set_bit(HCLGE_STATE_DOWN, &hdev->state);
11391 	set_bit(HCLGE_STATE_REMOVING, &hdev->state);
11392 
11393 	if (hdev->reset_timer.function)
11394 		del_timer_sync(&hdev->reset_timer);
11395 	if (hdev->service_task.work.func)
11396 		cancel_delayed_work_sync(&hdev->service_task);
11397 }
11398 
hclge_reset_prepare_general(struct hnae3_ae_dev * ae_dev,enum hnae3_reset_type rst_type)11399 static void hclge_reset_prepare_general(struct hnae3_ae_dev *ae_dev,
11400 					enum hnae3_reset_type rst_type)
11401 {
11402 #define HCLGE_RESET_RETRY_WAIT_MS	500
11403 #define HCLGE_RESET_RETRY_CNT	5
11404 
11405 	struct hclge_dev *hdev = ae_dev->priv;
11406 	int retry_cnt = 0;
11407 	int ret;
11408 
11409 	while (retry_cnt++ < HCLGE_RESET_RETRY_CNT) {
11410 		down(&hdev->reset_sem);
11411 		set_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
11412 		hdev->reset_type = rst_type;
11413 		ret = hclge_reset_prepare(hdev);
11414 		if (!ret && !hdev->reset_pending)
11415 			break;
11416 
11417 		dev_err(&hdev->pdev->dev,
11418 			"failed to prepare to reset, ret=%d, reset_pending:0x%lx, retry_cnt:%d\n",
11419 			ret, hdev->reset_pending, retry_cnt);
11420 		clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
11421 		up(&hdev->reset_sem);
11422 		msleep(HCLGE_RESET_RETRY_WAIT_MS);
11423 	}
11424 
11425 	/* disable misc vector before reset done */
11426 	hclge_enable_vector(&hdev->misc_vector, false);
11427 	set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
11428 
11429 	if (hdev->reset_type == HNAE3_FLR_RESET)
11430 		hdev->rst_stats.flr_rst_cnt++;
11431 }
11432 
hclge_reset_done(struct hnae3_ae_dev * ae_dev)11433 static void hclge_reset_done(struct hnae3_ae_dev *ae_dev)
11434 {
11435 	struct hclge_dev *hdev = ae_dev->priv;
11436 	int ret;
11437 
11438 	hclge_enable_vector(&hdev->misc_vector, true);
11439 
11440 	ret = hclge_reset_rebuild(hdev);
11441 	if (ret)
11442 		dev_err(&hdev->pdev->dev, "fail to rebuild, ret=%d\n", ret);
11443 
11444 	hdev->reset_type = HNAE3_NONE_RESET;
11445 	if (test_and_clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
11446 		up(&hdev->reset_sem);
11447 }
11448 
hclge_clear_resetting_state(struct hclge_dev * hdev)11449 static void hclge_clear_resetting_state(struct hclge_dev *hdev)
11450 {
11451 	u16 i;
11452 
11453 	for (i = 0; i < hdev->num_alloc_vport; i++) {
11454 		struct hclge_vport *vport = &hdev->vport[i];
11455 		int ret;
11456 
11457 		 /* Send cmd to clear vport's FUNC_RST_ING */
11458 		ret = hclge_set_vf_rst(hdev, vport->vport_id, false);
11459 		if (ret)
11460 			dev_warn(&hdev->pdev->dev,
11461 				 "clear vport(%u) rst failed %d!\n",
11462 				 vport->vport_id, ret);
11463 	}
11464 }
11465 
hclge_clear_hw_resource(struct hclge_dev * hdev)11466 static int hclge_clear_hw_resource(struct hclge_dev *hdev)
11467 {
11468 	struct hclge_desc desc;
11469 	int ret;
11470 
11471 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CLEAR_HW_RESOURCE, false);
11472 
11473 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
11474 	/* This new command is only supported by new firmware, it will
11475 	 * fail with older firmware. Error value -EOPNOSUPP can only be
11476 	 * returned by older firmware running this command, to keep code
11477 	 * backward compatible we will override this value and return
11478 	 * success.
11479 	 */
11480 	if (ret && ret != -EOPNOTSUPP) {
11481 		dev_err(&hdev->pdev->dev,
11482 			"failed to clear hw resource, ret = %d\n", ret);
11483 		return ret;
11484 	}
11485 	return 0;
11486 }
11487 
hclge_init_rxd_adv_layout(struct hclge_dev * hdev)11488 static void hclge_init_rxd_adv_layout(struct hclge_dev *hdev)
11489 {
11490 	if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev))
11491 		hclge_write_dev(&hdev->hw, HCLGE_RXD_ADV_LAYOUT_EN_REG, 1);
11492 }
11493 
hclge_uninit_rxd_adv_layout(struct hclge_dev * hdev)11494 static void hclge_uninit_rxd_adv_layout(struct hclge_dev *hdev)
11495 {
11496 	if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev))
11497 		hclge_write_dev(&hdev->hw, HCLGE_RXD_ADV_LAYOUT_EN_REG, 0);
11498 }
11499 
hclge_get_wol_info(struct hnae3_handle * handle)11500 static struct hclge_wol_info *hclge_get_wol_info(struct hnae3_handle *handle)
11501 {
11502 	struct hclge_vport *vport = hclge_get_vport(handle);
11503 
11504 	return &vport->back->hw.mac.wol;
11505 }
11506 
hclge_get_wol_supported_mode(struct hclge_dev * hdev,u32 * wol_supported)11507 static int hclge_get_wol_supported_mode(struct hclge_dev *hdev,
11508 					u32 *wol_supported)
11509 {
11510 	struct hclge_query_wol_supported_cmd *wol_supported_cmd;
11511 	struct hclge_desc desc;
11512 	int ret;
11513 
11514 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_WOL_GET_SUPPORTED_MODE,
11515 				   true);
11516 	wol_supported_cmd = (struct hclge_query_wol_supported_cmd *)desc.data;
11517 
11518 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
11519 	if (ret) {
11520 		dev_err(&hdev->pdev->dev,
11521 			"failed to query wol supported, ret = %d\n", ret);
11522 		return ret;
11523 	}
11524 
11525 	*wol_supported = le32_to_cpu(wol_supported_cmd->supported_wake_mode);
11526 
11527 	return 0;
11528 }
11529 
hclge_set_wol_cfg(struct hclge_dev * hdev,struct hclge_wol_info * wol_info)11530 static int hclge_set_wol_cfg(struct hclge_dev *hdev,
11531 			     struct hclge_wol_info *wol_info)
11532 {
11533 	struct hclge_wol_cfg_cmd *wol_cfg_cmd;
11534 	struct hclge_desc desc;
11535 	int ret;
11536 
11537 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_WOL_CFG, false);
11538 	wol_cfg_cmd = (struct hclge_wol_cfg_cmd *)desc.data;
11539 	wol_cfg_cmd->wake_on_lan_mode = cpu_to_le32(wol_info->wol_current_mode);
11540 	wol_cfg_cmd->sopass_size = wol_info->wol_sopass_size;
11541 	memcpy(wol_cfg_cmd->sopass, wol_info->wol_sopass, SOPASS_MAX);
11542 
11543 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
11544 	if (ret)
11545 		dev_err(&hdev->pdev->dev,
11546 			"failed to set wol config, ret = %d\n", ret);
11547 
11548 	return ret;
11549 }
11550 
hclge_update_wol(struct hclge_dev * hdev)11551 static int hclge_update_wol(struct hclge_dev *hdev)
11552 {
11553 	struct hclge_wol_info *wol_info = &hdev->hw.mac.wol;
11554 
11555 	if (!hnae3_ae_dev_wol_supported(hdev->ae_dev))
11556 		return 0;
11557 
11558 	return hclge_set_wol_cfg(hdev, wol_info);
11559 }
11560 
hclge_init_wol(struct hclge_dev * hdev)11561 static int hclge_init_wol(struct hclge_dev *hdev)
11562 {
11563 	struct hclge_wol_info *wol_info = &hdev->hw.mac.wol;
11564 	int ret;
11565 
11566 	if (!hnae3_ae_dev_wol_supported(hdev->ae_dev))
11567 		return 0;
11568 
11569 	memset(wol_info, 0, sizeof(struct hclge_wol_info));
11570 	ret = hclge_get_wol_supported_mode(hdev,
11571 					   &wol_info->wol_support_mode);
11572 	if (ret) {
11573 		wol_info->wol_support_mode = 0;
11574 		return ret;
11575 	}
11576 
11577 	return hclge_update_wol(hdev);
11578 }
11579 
hclge_get_wol(struct hnae3_handle * handle,struct ethtool_wolinfo * wol)11580 static void hclge_get_wol(struct hnae3_handle *handle,
11581 			  struct ethtool_wolinfo *wol)
11582 {
11583 	struct hclge_wol_info *wol_info = hclge_get_wol_info(handle);
11584 
11585 	wol->supported = wol_info->wol_support_mode;
11586 	wol->wolopts = wol_info->wol_current_mode;
11587 	if (wol_info->wol_current_mode & WAKE_MAGICSECURE)
11588 		memcpy(wol->sopass, wol_info->wol_sopass, SOPASS_MAX);
11589 }
11590 
hclge_set_wol(struct hnae3_handle * handle,struct ethtool_wolinfo * wol)11591 static int hclge_set_wol(struct hnae3_handle *handle,
11592 			 struct ethtool_wolinfo *wol)
11593 {
11594 	struct hclge_wol_info *wol_info = hclge_get_wol_info(handle);
11595 	struct hclge_vport *vport = hclge_get_vport(handle);
11596 	u32 wol_mode;
11597 	int ret;
11598 
11599 	wol_mode = wol->wolopts;
11600 	if (wol_mode & ~wol_info->wol_support_mode)
11601 		return -EINVAL;
11602 
11603 	wol_info->wol_current_mode = wol_mode;
11604 	if (wol_mode & WAKE_MAGICSECURE) {
11605 		memcpy(wol_info->wol_sopass, wol->sopass, SOPASS_MAX);
11606 		wol_info->wol_sopass_size = SOPASS_MAX;
11607 	} else {
11608 		wol_info->wol_sopass_size = 0;
11609 	}
11610 
11611 	ret = hclge_set_wol_cfg(vport->back, wol_info);
11612 	if (ret)
11613 		wol_info->wol_current_mode = 0;
11614 
11615 	return ret;
11616 }
11617 
hclge_init_ae_dev(struct hnae3_ae_dev * ae_dev)11618 static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
11619 {
11620 	struct pci_dev *pdev = ae_dev->pdev;
11621 	struct hclge_dev *hdev;
11622 	int ret;
11623 
11624 	hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL);
11625 	if (!hdev)
11626 		return -ENOMEM;
11627 
11628 	hdev->pdev = pdev;
11629 	hdev->ae_dev = ae_dev;
11630 	hdev->reset_type = HNAE3_NONE_RESET;
11631 	hdev->reset_level = HNAE3_FUNC_RESET;
11632 	ae_dev->priv = hdev;
11633 
11634 	/* HW supprt 2 layer vlan */
11635 	hdev->mps = ETH_FRAME_LEN + ETH_FCS_LEN + 2 * VLAN_HLEN;
11636 
11637 	mutex_init(&hdev->vport_lock);
11638 	spin_lock_init(&hdev->fd_rule_lock);
11639 	sema_init(&hdev->reset_sem, 1);
11640 
11641 	ret = hclge_pci_init(hdev);
11642 	if (ret)
11643 		goto out;
11644 
11645 	/* Firmware command queue initialize */
11646 	ret = hclge_comm_cmd_queue_init(hdev->pdev, &hdev->hw.hw);
11647 	if (ret)
11648 		goto err_pci_uninit;
11649 
11650 	/* Firmware command initialize */
11651 	ret = hclge_comm_cmd_init(hdev->ae_dev, &hdev->hw.hw, &hdev->fw_version,
11652 				  true, hdev->reset_pending);
11653 	if (ret)
11654 		goto err_cmd_uninit;
11655 
11656 	ret  = hclge_clear_hw_resource(hdev);
11657 	if (ret)
11658 		goto err_cmd_uninit;
11659 
11660 	ret = hclge_get_cap(hdev);
11661 	if (ret)
11662 		goto err_cmd_uninit;
11663 
11664 	ret = hclge_query_dev_specs(hdev);
11665 	if (ret) {
11666 		dev_err(&pdev->dev, "failed to query dev specifications, ret = %d.\n",
11667 			ret);
11668 		goto err_cmd_uninit;
11669 	}
11670 
11671 	ret = hclge_configure(hdev);
11672 	if (ret) {
11673 		dev_err(&pdev->dev, "Configure dev error, ret = %d.\n", ret);
11674 		goto err_cmd_uninit;
11675 	}
11676 
11677 	ret = hclge_init_msi(hdev);
11678 	if (ret) {
11679 		dev_err(&pdev->dev, "Init MSI/MSI-X error, ret = %d.\n", ret);
11680 		goto err_cmd_uninit;
11681 	}
11682 
11683 	ret = hclge_misc_irq_init(hdev);
11684 	if (ret)
11685 		goto err_msi_uninit;
11686 
11687 	ret = hclge_alloc_tqps(hdev);
11688 	if (ret) {
11689 		dev_err(&pdev->dev, "Allocate TQPs error, ret = %d.\n", ret);
11690 		goto err_msi_irq_uninit;
11691 	}
11692 
11693 	ret = hclge_alloc_vport(hdev);
11694 	if (ret)
11695 		goto err_msi_irq_uninit;
11696 
11697 	ret = hclge_map_tqp(hdev);
11698 	if (ret)
11699 		goto err_msi_irq_uninit;
11700 
11701 	if (hdev->hw.mac.media_type == HNAE3_MEDIA_TYPE_COPPER) {
11702 		clear_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
11703 		if (hnae3_dev_phy_imp_supported(hdev))
11704 			ret = hclge_update_tp_port_info(hdev);
11705 		else
11706 			ret = hclge_mac_mdio_config(hdev);
11707 
11708 		if (ret)
11709 			goto err_msi_irq_uninit;
11710 	}
11711 
11712 	ret = hclge_init_umv_space(hdev);
11713 	if (ret)
11714 		goto err_mdiobus_unreg;
11715 
11716 	ret = hclge_mac_init(hdev);
11717 	if (ret) {
11718 		dev_err(&pdev->dev, "Mac init error, ret = %d\n", ret);
11719 		goto err_mdiobus_unreg;
11720 	}
11721 
11722 	ret = hclge_config_tso(hdev, HCLGE_TSO_MSS_MIN, HCLGE_TSO_MSS_MAX);
11723 	if (ret) {
11724 		dev_err(&pdev->dev, "Enable tso fail, ret =%d\n", ret);
11725 		goto err_mdiobus_unreg;
11726 	}
11727 
11728 	ret = hclge_config_gro(hdev);
11729 	if (ret)
11730 		goto err_mdiobus_unreg;
11731 
11732 	ret = hclge_init_vlan_config(hdev);
11733 	if (ret) {
11734 		dev_err(&pdev->dev, "VLAN init fail, ret =%d\n", ret);
11735 		goto err_mdiobus_unreg;
11736 	}
11737 
11738 	ret = hclge_tm_schd_init(hdev);
11739 	if (ret) {
11740 		dev_err(&pdev->dev, "tm schd init fail, ret =%d\n", ret);
11741 		goto err_mdiobus_unreg;
11742 	}
11743 
11744 	ret = hclge_comm_rss_init_cfg(&hdev->vport->nic, hdev->ae_dev,
11745 				      &hdev->rss_cfg);
11746 	if (ret) {
11747 		dev_err(&pdev->dev, "failed to init rss cfg, ret = %d\n", ret);
11748 		goto err_mdiobus_unreg;
11749 	}
11750 
11751 	ret = hclge_rss_init_hw(hdev);
11752 	if (ret) {
11753 		dev_err(&pdev->dev, "Rss init fail, ret =%d\n", ret);
11754 		goto err_mdiobus_unreg;
11755 	}
11756 
11757 	ret = init_mgr_tbl(hdev);
11758 	if (ret) {
11759 		dev_err(&pdev->dev, "manager table init fail, ret =%d\n", ret);
11760 		goto err_mdiobus_unreg;
11761 	}
11762 
11763 	ret = hclge_init_fd_config(hdev);
11764 	if (ret) {
11765 		dev_err(&pdev->dev,
11766 			"fd table init fail, ret=%d\n", ret);
11767 		goto err_mdiobus_unreg;
11768 	}
11769 
11770 	ret = hclge_ptp_init(hdev);
11771 	if (ret)
11772 		goto err_mdiobus_unreg;
11773 
11774 	ret = hclge_update_port_info(hdev);
11775 	if (ret)
11776 		goto err_ptp_uninit;
11777 
11778 	INIT_KFIFO(hdev->mac_tnl_log);
11779 
11780 	hclge_dcb_ops_set(hdev);
11781 
11782 	timer_setup(&hdev->reset_timer, hclge_reset_timer, 0);
11783 	INIT_DELAYED_WORK(&hdev->service_task, hclge_service_task);
11784 
11785 	hclge_clear_all_event_cause(hdev);
11786 	hclge_clear_resetting_state(hdev);
11787 
11788 	/* Log and clear the hw errors those already occurred */
11789 	if (hnae3_dev_ras_imp_supported(hdev))
11790 		hclge_handle_occurred_error(hdev);
11791 	else
11792 		hclge_handle_all_hns_hw_errors(ae_dev);
11793 
11794 	/* request delayed reset for the error recovery because an immediate
11795 	 * global reset on a PF affecting pending initialization of other PFs
11796 	 */
11797 	if (ae_dev->hw_err_reset_req) {
11798 		enum hnae3_reset_type reset_level;
11799 
11800 		reset_level = hclge_get_reset_level(ae_dev,
11801 						    &ae_dev->hw_err_reset_req);
11802 		hclge_set_def_reset_request(ae_dev, reset_level);
11803 		mod_timer(&hdev->reset_timer, jiffies + HCLGE_RESET_INTERVAL);
11804 	}
11805 
11806 	hclge_init_rxd_adv_layout(hdev);
11807 
11808 	/* Enable MISC vector(vector0) */
11809 	hclge_enable_vector(&hdev->misc_vector, true);
11810 
11811 	ret = hclge_init_wol(hdev);
11812 	if (ret)
11813 		dev_warn(&pdev->dev,
11814 			 "failed to wake on lan init, ret = %d\n", ret);
11815 
11816 	ret = hclge_devlink_init(hdev);
11817 	if (ret)
11818 		goto err_ptp_uninit;
11819 
11820 	hclge_state_init(hdev);
11821 	hdev->last_reset_time = jiffies;
11822 
11823 	dev_info(&hdev->pdev->dev, "%s driver initialization finished.\n",
11824 		 HCLGE_DRIVER_NAME);
11825 
11826 	hclge_task_schedule(hdev, round_jiffies_relative(HZ));
11827 	return 0;
11828 
11829 err_ptp_uninit:
11830 	hclge_ptp_uninit(hdev);
11831 err_mdiobus_unreg:
11832 	if (hdev->hw.mac.phydev)
11833 		mdiobus_unregister(hdev->hw.mac.mdio_bus);
11834 err_msi_irq_uninit:
11835 	hclge_misc_irq_uninit(hdev);
11836 err_msi_uninit:
11837 	pci_free_irq_vectors(pdev);
11838 err_cmd_uninit:
11839 	hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
11840 err_pci_uninit:
11841 	pcim_iounmap(pdev, hdev->hw.hw.io_base);
11842 	pci_release_regions(pdev);
11843 	pci_disable_device(pdev);
11844 out:
11845 	mutex_destroy(&hdev->vport_lock);
11846 	return ret;
11847 }
11848 
hclge_stats_clear(struct hclge_dev * hdev)11849 static void hclge_stats_clear(struct hclge_dev *hdev)
11850 {
11851 	memset(&hdev->mac_stats, 0, sizeof(hdev->mac_stats));
11852 	memset(&hdev->fec_stats, 0, sizeof(hdev->fec_stats));
11853 }
11854 
hclge_set_mac_spoofchk(struct hclge_dev * hdev,int vf,bool enable)11855 static int hclge_set_mac_spoofchk(struct hclge_dev *hdev, int vf, bool enable)
11856 {
11857 	return hclge_config_switch_param(hdev, vf, enable,
11858 					 HCLGE_SWITCH_ANTI_SPOOF_MASK);
11859 }
11860 
hclge_set_vlan_spoofchk(struct hclge_dev * hdev,int vf,bool enable)11861 static int hclge_set_vlan_spoofchk(struct hclge_dev *hdev, int vf, bool enable)
11862 {
11863 	return hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_VF,
11864 					  HCLGE_FILTER_FE_NIC_INGRESS_B,
11865 					  enable, vf);
11866 }
11867 
hclge_set_vf_spoofchk_hw(struct hclge_dev * hdev,int vf,bool enable)11868 static int hclge_set_vf_spoofchk_hw(struct hclge_dev *hdev, int vf, bool enable)
11869 {
11870 	int ret;
11871 
11872 	ret = hclge_set_mac_spoofchk(hdev, vf, enable);
11873 	if (ret) {
11874 		dev_err(&hdev->pdev->dev,
11875 			"Set vf %d mac spoof check %s failed, ret=%d\n",
11876 			vf, enable ? "on" : "off", ret);
11877 		return ret;
11878 	}
11879 
11880 	ret = hclge_set_vlan_spoofchk(hdev, vf, enable);
11881 	if (ret)
11882 		dev_err(&hdev->pdev->dev,
11883 			"Set vf %d vlan spoof check %s failed, ret=%d\n",
11884 			vf, enable ? "on" : "off", ret);
11885 
11886 	return ret;
11887 }
11888 
hclge_set_vf_spoofchk(struct hnae3_handle * handle,int vf,bool enable)11889 static int hclge_set_vf_spoofchk(struct hnae3_handle *handle, int vf,
11890 				 bool enable)
11891 {
11892 	struct hclge_vport *vport = hclge_get_vport(handle);
11893 	struct hclge_dev *hdev = vport->back;
11894 	u32 new_spoofchk = enable ? 1 : 0;
11895 	int ret;
11896 
11897 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
11898 		return -EOPNOTSUPP;
11899 
11900 	vport = hclge_get_vf_vport(hdev, vf);
11901 	if (!vport)
11902 		return -EINVAL;
11903 
11904 	if (vport->vf_info.spoofchk == new_spoofchk)
11905 		return 0;
11906 
11907 	if (enable && test_bit(vport->vport_id, hdev->vf_vlan_full))
11908 		dev_warn(&hdev->pdev->dev,
11909 			 "vf %d vlan table is full, enable spoof check may cause its packet send fail\n",
11910 			 vf);
11911 	else if (enable && hclge_is_umv_space_full(vport, true))
11912 		dev_warn(&hdev->pdev->dev,
11913 			 "vf %d mac table is full, enable spoof check may cause its packet send fail\n",
11914 			 vf);
11915 
11916 	ret = hclge_set_vf_spoofchk_hw(hdev, vport->vport_id, enable);
11917 	if (ret)
11918 		return ret;
11919 
11920 	vport->vf_info.spoofchk = new_spoofchk;
11921 	return 0;
11922 }
11923 
hclge_reset_vport_spoofchk(struct hclge_dev * hdev)11924 static int hclge_reset_vport_spoofchk(struct hclge_dev *hdev)
11925 {
11926 	struct hclge_vport *vport = hdev->vport;
11927 	int ret;
11928 	int i;
11929 
11930 	if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
11931 		return 0;
11932 
11933 	/* resume the vf spoof check state after reset */
11934 	for (i = 0; i < hdev->num_alloc_vport; i++) {
11935 		ret = hclge_set_vf_spoofchk_hw(hdev, vport->vport_id,
11936 					       vport->vf_info.spoofchk);
11937 		if (ret)
11938 			return ret;
11939 
11940 		vport++;
11941 	}
11942 
11943 	return 0;
11944 }
11945 
hclge_set_vf_trust(struct hnae3_handle * handle,int vf,bool enable)11946 static int hclge_set_vf_trust(struct hnae3_handle *handle, int vf, bool enable)
11947 {
11948 	struct hclge_vport *vport = hclge_get_vport(handle);
11949 	struct hclge_dev *hdev = vport->back;
11950 	u32 new_trusted = enable ? 1 : 0;
11951 
11952 	vport = hclge_get_vf_vport(hdev, vf);
11953 	if (!vport)
11954 		return -EINVAL;
11955 
11956 	if (vport->vf_info.trusted == new_trusted)
11957 		return 0;
11958 
11959 	vport->vf_info.trusted = new_trusted;
11960 	set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
11961 	hclge_task_schedule(hdev, 0);
11962 
11963 	return 0;
11964 }
11965 
hclge_reset_vf_rate(struct hclge_dev * hdev)11966 static void hclge_reset_vf_rate(struct hclge_dev *hdev)
11967 {
11968 	int ret;
11969 	int vf;
11970 
11971 	/* reset vf rate to default value */
11972 	for (vf = HCLGE_VF_VPORT_START_NUM; vf < hdev->num_alloc_vport; vf++) {
11973 		struct hclge_vport *vport = &hdev->vport[vf];
11974 
11975 		vport->vf_info.max_tx_rate = 0;
11976 		ret = hclge_tm_qs_shaper_cfg(vport, vport->vf_info.max_tx_rate);
11977 		if (ret)
11978 			dev_err(&hdev->pdev->dev,
11979 				"vf%d failed to reset to default, ret=%d\n",
11980 				vf - HCLGE_VF_VPORT_START_NUM, ret);
11981 	}
11982 }
11983 
hclge_vf_rate_param_check(struct hclge_dev * hdev,int min_tx_rate,int max_tx_rate)11984 static int hclge_vf_rate_param_check(struct hclge_dev *hdev,
11985 				     int min_tx_rate, int max_tx_rate)
11986 {
11987 	if (min_tx_rate != 0 ||
11988 	    max_tx_rate < 0 || max_tx_rate > hdev->hw.mac.max_speed) {
11989 		dev_err(&hdev->pdev->dev,
11990 			"min_tx_rate:%d [0], max_tx_rate:%d [0, %u]\n",
11991 			min_tx_rate, max_tx_rate, hdev->hw.mac.max_speed);
11992 		return -EINVAL;
11993 	}
11994 
11995 	return 0;
11996 }
11997 
hclge_set_vf_rate(struct hnae3_handle * handle,int vf,int min_tx_rate,int max_tx_rate,bool force)11998 static int hclge_set_vf_rate(struct hnae3_handle *handle, int vf,
11999 			     int min_tx_rate, int max_tx_rate, bool force)
12000 {
12001 	struct hclge_vport *vport = hclge_get_vport(handle);
12002 	struct hclge_dev *hdev = vport->back;
12003 	int ret;
12004 
12005 	ret = hclge_vf_rate_param_check(hdev, min_tx_rate, max_tx_rate);
12006 	if (ret)
12007 		return ret;
12008 
12009 	vport = hclge_get_vf_vport(hdev, vf);
12010 	if (!vport)
12011 		return -EINVAL;
12012 
12013 	if (!force && max_tx_rate == vport->vf_info.max_tx_rate)
12014 		return 0;
12015 
12016 	ret = hclge_tm_qs_shaper_cfg(vport, max_tx_rate);
12017 	if (ret)
12018 		return ret;
12019 
12020 	vport->vf_info.max_tx_rate = max_tx_rate;
12021 
12022 	return 0;
12023 }
12024 
hclge_resume_vf_rate(struct hclge_dev * hdev)12025 static int hclge_resume_vf_rate(struct hclge_dev *hdev)
12026 {
12027 	struct hnae3_handle *handle = &hdev->vport->nic;
12028 	struct hclge_vport *vport;
12029 	int ret;
12030 	int vf;
12031 
12032 	/* resume the vf max_tx_rate after reset */
12033 	for (vf = 0; vf < pci_num_vf(hdev->pdev); vf++) {
12034 		vport = hclge_get_vf_vport(hdev, vf);
12035 		if (!vport)
12036 			return -EINVAL;
12037 
12038 		/* zero means max rate, after reset, firmware already set it to
12039 		 * max rate, so just continue.
12040 		 */
12041 		if (!vport->vf_info.max_tx_rate)
12042 			continue;
12043 
12044 		ret = hclge_set_vf_rate(handle, vf, 0,
12045 					vport->vf_info.max_tx_rate, true);
12046 		if (ret) {
12047 			dev_err(&hdev->pdev->dev,
12048 				"vf%d failed to resume tx_rate:%u, ret=%d\n",
12049 				vf, vport->vf_info.max_tx_rate, ret);
12050 			return ret;
12051 		}
12052 	}
12053 
12054 	return 0;
12055 }
12056 
hclge_reset_vport_state(struct hclge_dev * hdev)12057 static void hclge_reset_vport_state(struct hclge_dev *hdev)
12058 {
12059 	struct hclge_vport *vport = hdev->vport;
12060 	int i;
12061 
12062 	for (i = 0; i < hdev->num_alloc_vport; i++) {
12063 		clear_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
12064 		vport++;
12065 	}
12066 }
12067 
hclge_reset_ae_dev(struct hnae3_ae_dev * ae_dev)12068 static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
12069 {
12070 	struct hclge_dev *hdev = ae_dev->priv;
12071 	struct pci_dev *pdev = ae_dev->pdev;
12072 	int ret;
12073 
12074 	set_bit(HCLGE_STATE_DOWN, &hdev->state);
12075 
12076 	hclge_stats_clear(hdev);
12077 	/* NOTE: pf reset needn't to clear or restore pf and vf table entry.
12078 	 * so here should not clean table in memory.
12079 	 */
12080 	if (hdev->reset_type == HNAE3_IMP_RESET ||
12081 	    hdev->reset_type == HNAE3_GLOBAL_RESET) {
12082 		memset(hdev->vlan_table, 0, sizeof(hdev->vlan_table));
12083 		memset(hdev->vf_vlan_full, 0, sizeof(hdev->vf_vlan_full));
12084 		bitmap_set(hdev->vport_config_block, 0, hdev->num_alloc_vport);
12085 		hclge_reset_umv_space(hdev);
12086 	}
12087 
12088 	ret = hclge_comm_cmd_init(hdev->ae_dev, &hdev->hw.hw, &hdev->fw_version,
12089 				  true, hdev->reset_pending);
12090 	if (ret) {
12091 		dev_err(&pdev->dev, "Cmd queue init failed\n");
12092 		return ret;
12093 	}
12094 
12095 	ret = hclge_map_tqp(hdev);
12096 	if (ret) {
12097 		dev_err(&pdev->dev, "Map tqp error, ret = %d.\n", ret);
12098 		return ret;
12099 	}
12100 
12101 	ret = hclge_mac_init(hdev);
12102 	if (ret) {
12103 		dev_err(&pdev->dev, "Mac init error, ret = %d\n", ret);
12104 		return ret;
12105 	}
12106 
12107 	ret = hclge_tp_port_init(hdev);
12108 	if (ret) {
12109 		dev_err(&pdev->dev, "failed to init tp port, ret = %d\n",
12110 			ret);
12111 		return ret;
12112 	}
12113 
12114 	ret = hclge_config_tso(hdev, HCLGE_TSO_MSS_MIN, HCLGE_TSO_MSS_MAX);
12115 	if (ret) {
12116 		dev_err(&pdev->dev, "Enable tso fail, ret =%d\n", ret);
12117 		return ret;
12118 	}
12119 
12120 	ret = hclge_config_gro(hdev);
12121 	if (ret)
12122 		return ret;
12123 
12124 	ret = hclge_init_vlan_config(hdev);
12125 	if (ret) {
12126 		dev_err(&pdev->dev, "VLAN init fail, ret =%d\n", ret);
12127 		return ret;
12128 	}
12129 
12130 	ret = hclge_tm_init_hw(hdev, true);
12131 	if (ret) {
12132 		dev_err(&pdev->dev, "tm init hw fail, ret =%d\n", ret);
12133 		return ret;
12134 	}
12135 
12136 	ret = hclge_rss_init_hw(hdev);
12137 	if (ret) {
12138 		dev_err(&pdev->dev, "Rss init fail, ret =%d\n", ret);
12139 		return ret;
12140 	}
12141 
12142 	ret = init_mgr_tbl(hdev);
12143 	if (ret) {
12144 		dev_err(&pdev->dev,
12145 			"failed to reinit manager table, ret = %d\n", ret);
12146 		return ret;
12147 	}
12148 
12149 	ret = hclge_init_fd_config(hdev);
12150 	if (ret) {
12151 		dev_err(&pdev->dev, "fd table init fail, ret=%d\n", ret);
12152 		return ret;
12153 	}
12154 
12155 	ret = hclge_ptp_init(hdev);
12156 	if (ret)
12157 		return ret;
12158 
12159 	/* Log and clear the hw errors those already occurred */
12160 	if (hnae3_dev_ras_imp_supported(hdev))
12161 		hclge_handle_occurred_error(hdev);
12162 	else
12163 		hclge_handle_all_hns_hw_errors(ae_dev);
12164 
12165 	/* Re-enable the hw error interrupts because
12166 	 * the interrupts get disabled on global reset.
12167 	 */
12168 	ret = hclge_config_nic_hw_error(hdev, true);
12169 	if (ret) {
12170 		dev_err(&pdev->dev,
12171 			"fail(%d) to re-enable NIC hw error interrupts\n",
12172 			ret);
12173 		return ret;
12174 	}
12175 
12176 	if (hdev->roce_client) {
12177 		ret = hclge_config_rocee_ras_interrupt(hdev, true);
12178 		if (ret) {
12179 			dev_err(&pdev->dev,
12180 				"fail(%d) to re-enable roce ras interrupts\n",
12181 				ret);
12182 			return ret;
12183 		}
12184 	}
12185 
12186 	hclge_reset_vport_state(hdev);
12187 	ret = hclge_reset_vport_spoofchk(hdev);
12188 	if (ret)
12189 		return ret;
12190 
12191 	ret = hclge_resume_vf_rate(hdev);
12192 	if (ret)
12193 		return ret;
12194 
12195 	hclge_init_rxd_adv_layout(hdev);
12196 
12197 	ret = hclge_update_wol(hdev);
12198 	if (ret)
12199 		dev_warn(&pdev->dev,
12200 			 "failed to update wol config, ret = %d\n", ret);
12201 
12202 	dev_info(&pdev->dev, "Reset done, %s driver initialization finished.\n",
12203 		 HCLGE_DRIVER_NAME);
12204 
12205 	return 0;
12206 }
12207 
hclge_uninit_ae_dev(struct hnae3_ae_dev * ae_dev)12208 static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
12209 {
12210 	struct hclge_dev *hdev = ae_dev->priv;
12211 	struct hclge_mac *mac = &hdev->hw.mac;
12212 
12213 	hclge_reset_vf_rate(hdev);
12214 	hclge_clear_vf_vlan(hdev);
12215 	hclge_state_uninit(hdev);
12216 	hclge_ptp_uninit(hdev);
12217 	hclge_uninit_rxd_adv_layout(hdev);
12218 	hclge_uninit_mac_table(hdev);
12219 	hclge_del_all_fd_entries(hdev);
12220 
12221 	if (mac->phydev)
12222 		mdiobus_unregister(mac->mdio_bus);
12223 
12224 	/* Disable MISC vector(vector0) */
12225 	hclge_enable_vector(&hdev->misc_vector, false);
12226 	synchronize_irq(hdev->misc_vector.vector_irq);
12227 
12228 	/* Disable all hw interrupts */
12229 	hclge_config_mac_tnl_int(hdev, false);
12230 	hclge_config_nic_hw_error(hdev, false);
12231 	hclge_config_rocee_ras_interrupt(hdev, false);
12232 
12233 	hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
12234 	hclge_misc_irq_uninit(hdev);
12235 	hclge_devlink_uninit(hdev);
12236 	hclge_pci_uninit(hdev);
12237 	hclge_uninit_vport_vlan_table(hdev);
12238 	mutex_destroy(&hdev->vport_lock);
12239 	ae_dev->priv = NULL;
12240 }
12241 
hclge_get_max_channels(struct hnae3_handle * handle)12242 static u32 hclge_get_max_channels(struct hnae3_handle *handle)
12243 {
12244 	struct hclge_vport *vport = hclge_get_vport(handle);
12245 	struct hclge_dev *hdev = vport->back;
12246 
12247 	return min_t(u32, hdev->pf_rss_size_max, vport->alloc_tqps);
12248 }
12249 
hclge_get_channels(struct hnae3_handle * handle,struct ethtool_channels * ch)12250 static void hclge_get_channels(struct hnae3_handle *handle,
12251 			       struct ethtool_channels *ch)
12252 {
12253 	ch->max_combined = hclge_get_max_channels(handle);
12254 	ch->other_count = 1;
12255 	ch->max_other = 1;
12256 	ch->combined_count = handle->kinfo.rss_size;
12257 }
12258 
hclge_get_tqps_and_rss_info(struct hnae3_handle * handle,u16 * alloc_tqps,u16 * max_rss_size)12259 static void hclge_get_tqps_and_rss_info(struct hnae3_handle *handle,
12260 					u16 *alloc_tqps, u16 *max_rss_size)
12261 {
12262 	struct hclge_vport *vport = hclge_get_vport(handle);
12263 	struct hclge_dev *hdev = vport->back;
12264 
12265 	*alloc_tqps = vport->alloc_tqps;
12266 	*max_rss_size = hdev->pf_rss_size_max;
12267 }
12268 
hclge_set_rss_tc_mode_cfg(struct hnae3_handle * handle)12269 static int hclge_set_rss_tc_mode_cfg(struct hnae3_handle *handle)
12270 {
12271 	struct hclge_vport *vport = hclge_get_vport(handle);
12272 	u16 tc_offset[HCLGE_MAX_TC_NUM] = {0};
12273 	struct hclge_dev *hdev = vport->back;
12274 	u16 tc_size[HCLGE_MAX_TC_NUM] = {0};
12275 	u16 tc_valid[HCLGE_MAX_TC_NUM];
12276 	u16 roundup_size;
12277 	unsigned int i;
12278 
12279 	roundup_size = roundup_pow_of_two(vport->nic.kinfo.rss_size);
12280 	roundup_size = ilog2(roundup_size);
12281 	/* Set the RSS TC mode according to the new RSS size */
12282 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++) {
12283 		tc_valid[i] = 0;
12284 
12285 		if (!(hdev->hw_tc_map & BIT(i)))
12286 			continue;
12287 
12288 		tc_valid[i] = 1;
12289 		tc_size[i] = roundup_size;
12290 		tc_offset[i] = vport->nic.kinfo.rss_size * i;
12291 	}
12292 
12293 	return hclge_comm_set_rss_tc_mode(&hdev->hw.hw, tc_offset, tc_valid,
12294 					  tc_size);
12295 }
12296 
hclge_set_channels(struct hnae3_handle * handle,u32 new_tqps_num,bool rxfh_configured)12297 static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
12298 			      bool rxfh_configured)
12299 {
12300 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
12301 	struct hclge_vport *vport = hclge_get_vport(handle);
12302 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
12303 	struct hclge_dev *hdev = vport->back;
12304 	u16 cur_rss_size = kinfo->rss_size;
12305 	u16 cur_tqps = kinfo->num_tqps;
12306 	u32 *rss_indir;
12307 	unsigned int i;
12308 	int ret;
12309 
12310 	kinfo->req_rss_size = new_tqps_num;
12311 
12312 	ret = hclge_tm_vport_map_update(hdev);
12313 	if (ret) {
12314 		dev_err(&hdev->pdev->dev, "tm vport map fail, ret =%d\n", ret);
12315 		return ret;
12316 	}
12317 
12318 	ret = hclge_set_rss_tc_mode_cfg(handle);
12319 	if (ret)
12320 		return ret;
12321 
12322 	/* RSS indirection table has been configured by user */
12323 	if (rxfh_configured)
12324 		goto out;
12325 
12326 	/* Reinitializes the rss indirect table according to the new RSS size */
12327 	rss_indir = kcalloc(ae_dev->dev_specs.rss_ind_tbl_size, sizeof(u32),
12328 			    GFP_KERNEL);
12329 	if (!rss_indir)
12330 		return -ENOMEM;
12331 
12332 	for (i = 0; i < ae_dev->dev_specs.rss_ind_tbl_size; i++)
12333 		rss_indir[i] = i % kinfo->rss_size;
12334 
12335 	ret = hclge_set_rss(handle, rss_indir, NULL, 0);
12336 	if (ret)
12337 		dev_err(&hdev->pdev->dev, "set rss indir table fail, ret=%d\n",
12338 			ret);
12339 
12340 	kfree(rss_indir);
12341 
12342 out:
12343 	if (!ret)
12344 		dev_info(&hdev->pdev->dev,
12345 			 "Channels changed, rss_size from %u to %u, tqps from %u to %u",
12346 			 cur_rss_size, kinfo->rss_size,
12347 			 cur_tqps, kinfo->rss_size * kinfo->tc_info.num_tc);
12348 
12349 	return ret;
12350 }
12351 
hclge_set_led_status(struct hclge_dev * hdev,u8 locate_led_status)12352 static int hclge_set_led_status(struct hclge_dev *hdev, u8 locate_led_status)
12353 {
12354 	struct hclge_set_led_state_cmd *req;
12355 	struct hclge_desc desc;
12356 	int ret;
12357 
12358 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_LED_STATUS_CFG, false);
12359 
12360 	req = (struct hclge_set_led_state_cmd *)desc.data;
12361 	hnae3_set_field(req->locate_led_config, HCLGE_LED_LOCATE_STATE_M,
12362 			HCLGE_LED_LOCATE_STATE_S, locate_led_status);
12363 
12364 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
12365 	if (ret)
12366 		dev_err(&hdev->pdev->dev,
12367 			"Send set led state cmd error, ret =%d\n", ret);
12368 
12369 	return ret;
12370 }
12371 
12372 enum hclge_led_status {
12373 	HCLGE_LED_OFF,
12374 	HCLGE_LED_ON,
12375 	HCLGE_LED_NO_CHANGE = 0xFF,
12376 };
12377 
hclge_set_led_id(struct hnae3_handle * handle,enum ethtool_phys_id_state status)12378 static int hclge_set_led_id(struct hnae3_handle *handle,
12379 			    enum ethtool_phys_id_state status)
12380 {
12381 	struct hclge_vport *vport = hclge_get_vport(handle);
12382 	struct hclge_dev *hdev = vport->back;
12383 
12384 	switch (status) {
12385 	case ETHTOOL_ID_ACTIVE:
12386 		return hclge_set_led_status(hdev, HCLGE_LED_ON);
12387 	case ETHTOOL_ID_INACTIVE:
12388 		return hclge_set_led_status(hdev, HCLGE_LED_OFF);
12389 	default:
12390 		return -EINVAL;
12391 	}
12392 }
12393 
hclge_get_link_mode(struct hnae3_handle * handle,unsigned long * supported,unsigned long * advertising)12394 static void hclge_get_link_mode(struct hnae3_handle *handle,
12395 				unsigned long *supported,
12396 				unsigned long *advertising)
12397 {
12398 	unsigned int size = BITS_TO_LONGS(__ETHTOOL_LINK_MODE_MASK_NBITS);
12399 	struct hclge_vport *vport = hclge_get_vport(handle);
12400 	struct hclge_dev *hdev = vport->back;
12401 	unsigned int idx = 0;
12402 
12403 	for (; idx < size; idx++) {
12404 		supported[idx] = hdev->hw.mac.supported[idx];
12405 		advertising[idx] = hdev->hw.mac.advertising[idx];
12406 	}
12407 }
12408 
hclge_gro_en(struct hnae3_handle * handle,bool enable)12409 static int hclge_gro_en(struct hnae3_handle *handle, bool enable)
12410 {
12411 	struct hclge_vport *vport = hclge_get_vport(handle);
12412 	struct hclge_dev *hdev = vport->back;
12413 	bool gro_en_old = hdev->gro_en;
12414 	int ret;
12415 
12416 	hdev->gro_en = enable;
12417 	ret = hclge_config_gro(hdev);
12418 	if (ret)
12419 		hdev->gro_en = gro_en_old;
12420 
12421 	return ret;
12422 }
12423 
hclge_sync_vport_promisc_mode(struct hclge_vport * vport)12424 static int hclge_sync_vport_promisc_mode(struct hclge_vport *vport)
12425 {
12426 	struct hnae3_handle *handle = &vport->nic;
12427 	struct hclge_dev *hdev = vport->back;
12428 	bool uc_en = false;
12429 	bool mc_en = false;
12430 	u8 tmp_flags;
12431 	bool bc_en;
12432 	int ret;
12433 
12434 	if (vport->last_promisc_flags != vport->overflow_promisc_flags) {
12435 		set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
12436 		vport->last_promisc_flags = vport->overflow_promisc_flags;
12437 	}
12438 
12439 	if (!test_and_clear_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE,
12440 				&vport->state))
12441 		return 0;
12442 
12443 	/* for PF */
12444 	if (!vport->vport_id) {
12445 		tmp_flags = handle->netdev_flags | vport->last_promisc_flags;
12446 		ret = hclge_set_promisc_mode(handle, tmp_flags & HNAE3_UPE,
12447 					     tmp_flags & HNAE3_MPE);
12448 		if (!ret)
12449 			set_bit(HCLGE_VPORT_STATE_VLAN_FLTR_CHANGE,
12450 				&vport->state);
12451 		else
12452 			set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE,
12453 				&vport->state);
12454 		return ret;
12455 	}
12456 
12457 	/* for VF */
12458 	if (vport->vf_info.trusted) {
12459 		uc_en = vport->vf_info.request_uc_en > 0 ||
12460 			vport->overflow_promisc_flags & HNAE3_OVERFLOW_UPE;
12461 		mc_en = vport->vf_info.request_mc_en > 0 ||
12462 			vport->overflow_promisc_flags & HNAE3_OVERFLOW_MPE;
12463 	}
12464 	bc_en = vport->vf_info.request_bc_en > 0;
12465 
12466 	ret = hclge_cmd_set_promisc_mode(hdev, vport->vport_id, uc_en,
12467 					 mc_en, bc_en);
12468 	if (ret) {
12469 		set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
12470 		return ret;
12471 	}
12472 	hclge_set_vport_vlan_fltr_change(vport);
12473 
12474 	return 0;
12475 }
12476 
hclge_sync_promisc_mode(struct hclge_dev * hdev)12477 static void hclge_sync_promisc_mode(struct hclge_dev *hdev)
12478 {
12479 	struct hclge_vport *vport;
12480 	int ret;
12481 	u16 i;
12482 
12483 	for (i = 0; i < hdev->num_alloc_vport; i++) {
12484 		vport = &hdev->vport[i];
12485 
12486 		ret = hclge_sync_vport_promisc_mode(vport);
12487 		if (ret)
12488 			return;
12489 	}
12490 }
12491 
hclge_module_existed(struct hclge_dev * hdev)12492 static bool hclge_module_existed(struct hclge_dev *hdev)
12493 {
12494 	struct hclge_desc desc;
12495 	u32 existed;
12496 	int ret;
12497 
12498 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GET_SFP_EXIST, true);
12499 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
12500 	if (ret) {
12501 		dev_err(&hdev->pdev->dev,
12502 			"failed to get SFP exist state, ret = %d\n", ret);
12503 		return false;
12504 	}
12505 
12506 	existed = le32_to_cpu(desc.data[0]);
12507 
12508 	return existed != 0;
12509 }
12510 
12511 /* need 6 bds(total 140 bytes) in one reading
12512  * return the number of bytes actually read, 0 means read failed.
12513  */
hclge_get_sfp_eeprom_info(struct hclge_dev * hdev,u32 offset,u32 len,u8 * data)12514 static u16 hclge_get_sfp_eeprom_info(struct hclge_dev *hdev, u32 offset,
12515 				     u32 len, u8 *data)
12516 {
12517 	struct hclge_desc desc[HCLGE_SFP_INFO_CMD_NUM];
12518 	struct hclge_sfp_info_bd0_cmd *sfp_info_bd0;
12519 	u16 read_len;
12520 	u16 copy_len;
12521 	int ret;
12522 	int i;
12523 
12524 	/* setup all 6 bds to read module eeprom info. */
12525 	for (i = 0; i < HCLGE_SFP_INFO_CMD_NUM; i++) {
12526 		hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_GET_SFP_EEPROM,
12527 					   true);
12528 
12529 		/* bd0~bd4 need next flag */
12530 		if (i < HCLGE_SFP_INFO_CMD_NUM - 1)
12531 			desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
12532 	}
12533 
12534 	/* setup bd0, this bd contains offset and read length. */
12535 	sfp_info_bd0 = (struct hclge_sfp_info_bd0_cmd *)desc[0].data;
12536 	sfp_info_bd0->offset = cpu_to_le16((u16)offset);
12537 	read_len = min_t(u16, len, HCLGE_SFP_INFO_MAX_LEN);
12538 	sfp_info_bd0->read_len = cpu_to_le16(read_len);
12539 
12540 	ret = hclge_cmd_send(&hdev->hw, desc, i);
12541 	if (ret) {
12542 		dev_err(&hdev->pdev->dev,
12543 			"failed to get SFP eeprom info, ret = %d\n", ret);
12544 		return 0;
12545 	}
12546 
12547 	/* copy sfp info from bd0 to out buffer. */
12548 	copy_len = min_t(u16, len, HCLGE_SFP_INFO_BD0_LEN);
12549 	memcpy(data, sfp_info_bd0->data, copy_len);
12550 	read_len = copy_len;
12551 
12552 	/* copy sfp info from bd1~bd5 to out buffer if needed. */
12553 	for (i = 1; i < HCLGE_SFP_INFO_CMD_NUM; i++) {
12554 		if (read_len >= len)
12555 			return read_len;
12556 
12557 		copy_len = min_t(u16, len - read_len, HCLGE_SFP_INFO_BDX_LEN);
12558 		memcpy(data + read_len, desc[i].data, copy_len);
12559 		read_len += copy_len;
12560 	}
12561 
12562 	return read_len;
12563 }
12564 
hclge_get_module_eeprom(struct hnae3_handle * handle,u32 offset,u32 len,u8 * data)12565 static int hclge_get_module_eeprom(struct hnae3_handle *handle, u32 offset,
12566 				   u32 len, u8 *data)
12567 {
12568 	struct hclge_vport *vport = hclge_get_vport(handle);
12569 	struct hclge_dev *hdev = vport->back;
12570 	u32 read_len = 0;
12571 	u16 data_len;
12572 
12573 	if (hdev->hw.mac.media_type != HNAE3_MEDIA_TYPE_FIBER)
12574 		return -EOPNOTSUPP;
12575 
12576 	if (!hclge_module_existed(hdev))
12577 		return -ENXIO;
12578 
12579 	while (read_len < len) {
12580 		data_len = hclge_get_sfp_eeprom_info(hdev,
12581 						     offset + read_len,
12582 						     len - read_len,
12583 						     data + read_len);
12584 		if (!data_len)
12585 			return -EIO;
12586 
12587 		read_len += data_len;
12588 	}
12589 
12590 	return 0;
12591 }
12592 
hclge_get_link_diagnosis_info(struct hnae3_handle * handle,u32 * status_code)12593 static int hclge_get_link_diagnosis_info(struct hnae3_handle *handle,
12594 					 u32 *status_code)
12595 {
12596 	struct hclge_vport *vport = hclge_get_vport(handle);
12597 	struct hclge_dev *hdev = vport->back;
12598 	struct hclge_desc desc;
12599 	int ret;
12600 
12601 	if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)
12602 		return -EOPNOTSUPP;
12603 
12604 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_DIAGNOSIS, true);
12605 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
12606 	if (ret) {
12607 		dev_err(&hdev->pdev->dev,
12608 			"failed to query link diagnosis info, ret = %d\n", ret);
12609 		return ret;
12610 	}
12611 
12612 	*status_code = le32_to_cpu(desc.data[0]);
12613 	return 0;
12614 }
12615 
12616 /* After disable sriov, VF still has some config and info need clean,
12617  * which configed by PF.
12618  */
hclge_clear_vport_vf_info(struct hclge_vport * vport,int vfid)12619 static void hclge_clear_vport_vf_info(struct hclge_vport *vport, int vfid)
12620 {
12621 	struct hclge_dev *hdev = vport->back;
12622 	struct hclge_vlan_info vlan_info;
12623 	int ret;
12624 
12625 	clear_bit(HCLGE_VPORT_STATE_INITED, &vport->state);
12626 	clear_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
12627 	vport->need_notify = 0;
12628 	vport->mps = 0;
12629 
12630 	/* after disable sriov, clean VF rate configured by PF */
12631 	ret = hclge_tm_qs_shaper_cfg(vport, 0);
12632 	if (ret)
12633 		dev_err(&hdev->pdev->dev,
12634 			"failed to clean vf%d rate config, ret = %d\n",
12635 			vfid, ret);
12636 
12637 	vlan_info.vlan_tag = 0;
12638 	vlan_info.qos = 0;
12639 	vlan_info.vlan_proto = ETH_P_8021Q;
12640 	ret = hclge_update_port_base_vlan_cfg(vport,
12641 					      HNAE3_PORT_BASE_VLAN_DISABLE,
12642 					      &vlan_info);
12643 	if (ret)
12644 		dev_err(&hdev->pdev->dev,
12645 			"failed to clean vf%d port base vlan, ret = %d\n",
12646 			vfid, ret);
12647 
12648 	ret = hclge_set_vf_spoofchk_hw(hdev, vport->vport_id, false);
12649 	if (ret)
12650 		dev_err(&hdev->pdev->dev,
12651 			"failed to clean vf%d spoof config, ret = %d\n",
12652 			vfid, ret);
12653 
12654 	memset(&vport->vf_info, 0, sizeof(vport->vf_info));
12655 }
12656 
hclge_clean_vport_config(struct hnae3_ae_dev * ae_dev,int num_vfs)12657 static void hclge_clean_vport_config(struct hnae3_ae_dev *ae_dev, int num_vfs)
12658 {
12659 	struct hclge_dev *hdev = ae_dev->priv;
12660 	struct hclge_vport *vport;
12661 	int i;
12662 
12663 	for (i = 0; i < num_vfs; i++) {
12664 		vport = &hdev->vport[i + HCLGE_VF_VPORT_START_NUM];
12665 
12666 		hclge_clear_vport_vf_info(vport, i);
12667 	}
12668 }
12669 
hclge_get_dscp_prio(struct hnae3_handle * h,u8 dscp,u8 * tc_mode,u8 * priority)12670 static int hclge_get_dscp_prio(struct hnae3_handle *h, u8 dscp, u8 *tc_mode,
12671 			       u8 *priority)
12672 {
12673 	struct hclge_vport *vport = hclge_get_vport(h);
12674 
12675 	if (dscp >= HNAE3_MAX_DSCP)
12676 		return -EINVAL;
12677 
12678 	if (tc_mode)
12679 		*tc_mode = vport->nic.kinfo.tc_map_mode;
12680 	if (priority)
12681 		*priority = vport->nic.kinfo.dscp_prio[dscp] == HNAE3_PRIO_ID_INVALID ? 0 :
12682 			    vport->nic.kinfo.dscp_prio[dscp];
12683 
12684 	return 0;
12685 }
12686 
12687 static const struct hnae3_ae_ops hclge_ops = {
12688 	.init_ae_dev = hclge_init_ae_dev,
12689 	.uninit_ae_dev = hclge_uninit_ae_dev,
12690 	.reset_prepare = hclge_reset_prepare_general,
12691 	.reset_done = hclge_reset_done,
12692 	.init_client_instance = hclge_init_client_instance,
12693 	.uninit_client_instance = hclge_uninit_client_instance,
12694 	.map_ring_to_vector = hclge_map_ring_to_vector,
12695 	.unmap_ring_from_vector = hclge_unmap_ring_frm_vector,
12696 	.get_vector = hclge_get_vector,
12697 	.put_vector = hclge_put_vector,
12698 	.set_promisc_mode = hclge_set_promisc_mode,
12699 	.request_update_promisc_mode = hclge_request_update_promisc_mode,
12700 	.set_loopback = hclge_set_loopback,
12701 	.start = hclge_ae_start,
12702 	.stop = hclge_ae_stop,
12703 	.client_start = hclge_client_start,
12704 	.client_stop = hclge_client_stop,
12705 	.get_status = hclge_get_status,
12706 	.get_ksettings_an_result = hclge_get_ksettings_an_result,
12707 	.cfg_mac_speed_dup_h = hclge_cfg_mac_speed_dup_h,
12708 	.get_media_type = hclge_get_media_type,
12709 	.check_port_speed = hclge_check_port_speed,
12710 	.get_fec_stats = hclge_get_fec_stats,
12711 	.get_fec = hclge_get_fec,
12712 	.set_fec = hclge_set_fec,
12713 	.get_rss_key_size = hclge_comm_get_rss_key_size,
12714 	.get_rss = hclge_get_rss,
12715 	.set_rss = hclge_set_rss,
12716 	.set_rss_tuple = hclge_set_rss_tuple,
12717 	.get_rss_tuple = hclge_get_rss_tuple,
12718 	.get_tc_size = hclge_get_tc_size,
12719 	.get_mac_addr = hclge_get_mac_addr,
12720 	.set_mac_addr = hclge_set_mac_addr,
12721 	.do_ioctl = hclge_do_ioctl,
12722 	.add_uc_addr = hclge_add_uc_addr,
12723 	.rm_uc_addr = hclge_rm_uc_addr,
12724 	.add_mc_addr = hclge_add_mc_addr,
12725 	.rm_mc_addr = hclge_rm_mc_addr,
12726 	.set_autoneg = hclge_set_autoneg,
12727 	.get_autoneg = hclge_get_autoneg,
12728 	.restart_autoneg = hclge_restart_autoneg,
12729 	.halt_autoneg = hclge_halt_autoneg,
12730 	.get_pauseparam = hclge_get_pauseparam,
12731 	.set_pauseparam = hclge_set_pauseparam,
12732 	.set_mtu = hclge_set_mtu,
12733 	.reset_queue = hclge_reset_tqp,
12734 	.get_stats = hclge_get_stats,
12735 	.get_mac_stats = hclge_get_mac_stat,
12736 	.update_stats = hclge_update_stats,
12737 	.get_strings = hclge_get_strings,
12738 	.get_sset_count = hclge_get_sset_count,
12739 	.get_fw_version = hclge_get_fw_version,
12740 	.get_mdix_mode = hclge_get_mdix_mode,
12741 	.enable_vlan_filter = hclge_enable_vlan_filter,
12742 	.set_vlan_filter = hclge_set_vlan_filter,
12743 	.set_vf_vlan_filter = hclge_set_vf_vlan_filter,
12744 	.enable_hw_strip_rxvtag = hclge_en_hw_strip_rxvtag,
12745 	.reset_event = hclge_reset_event,
12746 	.get_reset_level = hclge_get_reset_level,
12747 	.set_default_reset_request = hclge_set_def_reset_request,
12748 	.get_tqps_and_rss_info = hclge_get_tqps_and_rss_info,
12749 	.set_channels = hclge_set_channels,
12750 	.get_channels = hclge_get_channels,
12751 	.get_regs_len = hclge_get_regs_len,
12752 	.get_regs = hclge_get_regs,
12753 	.set_led_id = hclge_set_led_id,
12754 	.get_link_mode = hclge_get_link_mode,
12755 	.add_fd_entry = hclge_add_fd_entry,
12756 	.del_fd_entry = hclge_del_fd_entry,
12757 	.get_fd_rule_cnt = hclge_get_fd_rule_cnt,
12758 	.get_fd_rule_info = hclge_get_fd_rule_info,
12759 	.get_fd_all_rules = hclge_get_all_rules,
12760 	.enable_fd = hclge_enable_fd,
12761 	.add_arfs_entry = hclge_add_fd_entry_by_arfs,
12762 	.dbg_read_cmd = hclge_dbg_read_cmd,
12763 	.handle_hw_ras_error = hclge_handle_hw_ras_error,
12764 	.get_hw_reset_stat = hclge_get_hw_reset_stat,
12765 	.ae_dev_resetting = hclge_ae_dev_resetting,
12766 	.ae_dev_reset_cnt = hclge_ae_dev_reset_cnt,
12767 	.set_gro_en = hclge_gro_en,
12768 	.get_global_queue_id = hclge_covert_handle_qid_global,
12769 	.set_timer_task = hclge_set_timer_task,
12770 	.mac_connect_phy = hclge_mac_connect_phy,
12771 	.mac_disconnect_phy = hclge_mac_disconnect_phy,
12772 	.get_vf_config = hclge_get_vf_config,
12773 	.set_vf_link_state = hclge_set_vf_link_state,
12774 	.set_vf_spoofchk = hclge_set_vf_spoofchk,
12775 	.set_vf_trust = hclge_set_vf_trust,
12776 	.set_vf_rate = hclge_set_vf_rate,
12777 	.set_vf_mac = hclge_set_vf_mac,
12778 	.get_module_eeprom = hclge_get_module_eeprom,
12779 	.get_cmdq_stat = hclge_get_cmdq_stat,
12780 	.add_cls_flower = hclge_add_cls_flower,
12781 	.del_cls_flower = hclge_del_cls_flower,
12782 	.cls_flower_active = hclge_is_cls_flower_active,
12783 	.get_phy_link_ksettings = hclge_get_phy_link_ksettings,
12784 	.set_phy_link_ksettings = hclge_set_phy_link_ksettings,
12785 	.set_tx_hwts_info = hclge_ptp_set_tx_info,
12786 	.get_rx_hwts = hclge_ptp_get_rx_hwts,
12787 	.get_ts_info = hclge_ptp_get_ts_info,
12788 	.get_link_diagnosis_info = hclge_get_link_diagnosis_info,
12789 	.clean_vf_config = hclge_clean_vport_config,
12790 	.get_dscp_prio = hclge_get_dscp_prio,
12791 	.get_wol = hclge_get_wol,
12792 	.set_wol = hclge_set_wol,
12793 };
12794 
12795 static struct hnae3_ae_algo ae_algo = {
12796 	.ops = &hclge_ops,
12797 	.pdev_id_table = ae_algo_pci_tbl,
12798 };
12799 
hclge_init(void)12800 static int __init hclge_init(void)
12801 {
12802 	pr_info("%s is initializing\n", HCLGE_NAME);
12803 
12804 	hclge_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGE_NAME);
12805 	if (!hclge_wq) {
12806 		pr_err("%s: failed to create workqueue\n", HCLGE_NAME);
12807 		return -ENOMEM;
12808 	}
12809 
12810 	hnae3_register_ae_algo(&ae_algo);
12811 
12812 	return 0;
12813 }
12814 
hclge_exit(void)12815 static void __exit hclge_exit(void)
12816 {
12817 	hnae3_unregister_ae_algo_prepare(&ae_algo);
12818 	hnae3_unregister_ae_algo(&ae_algo);
12819 	destroy_workqueue(hclge_wq);
12820 }
12821 module_init(hclge_init);
12822 module_exit(hclge_exit);
12823 
12824 MODULE_LICENSE("GPL");
12825 MODULE_AUTHOR("Huawei Tech. Co., Ltd.");
12826 MODULE_DESCRIPTION("HCLGE Driver");
12827 MODULE_VERSION(HCLGE_MOD_VERSION);
12828