1 /* SPDX-License-Identifier: GPL-2.0+ */
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3 
4 #ifndef __HCLGE_TM_H
5 #define __HCLGE_TM_H
6 
7 #include <linux/types.h>
8 
9 #include "hnae3.h"
10 
11 struct hclge_dev;
12 struct hclge_vport;
13 enum hclge_opcode_type;
14 
15 /* MAC Pause */
16 #define HCLGE_TX_MAC_PAUSE_EN_MSK	BIT(0)
17 #define HCLGE_RX_MAC_PAUSE_EN_MSK	BIT(1)
18 
19 #define HCLGE_TM_PORT_BASE_MODE_MSK	BIT(0)
20 
21 #define HCLGE_DEFAULT_PAUSE_TRANS_GAP	0x7F
22 #define HCLGE_DEFAULT_PAUSE_TRANS_TIME	0xFFFF
23 
24 /* SP or DWRR */
25 #define HCLGE_TM_TX_SCHD_DWRR_MSK	BIT(0)
26 #define HCLGE_TM_TX_SCHD_SP_MSK		0xFE
27 
28 #define HCLGE_ETHER_MAX_RATE	100000
29 
30 #define HCLGE_TM_PF_MAX_PRI_NUM		8
31 #define HCLGE_TM_PF_MAX_QSET_NUM	8
32 
33 #define HCLGE_DSCP_MAP_TC_BD_NUM	2
34 #define HCLGE_DSCP_TC_SHIFT(n)		(((n) & 1) * 4)
35 
36 #define HCLGE_TM_FLUSH_TIME_MS	10
37 #define HCLGE_TM_FLUSH_EN_MSK	BIT(0)
38 
39 struct hclge_pg_to_pri_link_cmd {
40 	u8 pg_id;
41 	u8 rsvd1[3];
42 	u8 pri_bit_map;
43 };
44 
45 struct hclge_qs_to_pri_link_cmd {
46 	__le16 qs_id;
47 	__le16 rsvd;
48 	u8 priority;
49 #define HCLGE_TM_QS_PRI_LINK_VLD_MSK	BIT(0)
50 	u8 link_vld;
51 };
52 
53 struct hclge_nq_to_qs_link_cmd {
54 	__le16 nq_id;
55 	__le16 rsvd;
56 #define HCLGE_TM_Q_QS_LINK_VLD_MSK	BIT(10)
57 #define HCLGE_TM_QS_ID_L_MSK		GENMASK(9, 0)
58 #define HCLGE_TM_QS_ID_L_S		0
59 #define HCLGE_TM_QS_ID_H_MSK		GENMASK(14, 10)
60 #define HCLGE_TM_QS_ID_H_S		10
61 #define HCLGE_TM_QS_ID_H_EXT_S		11
62 #define HCLGE_TM_QS_ID_H_EXT_MSK	GENMASK(15, 11)
63 	__le16 qset_id;
64 };
65 
66 struct hclge_tqp_tx_queue_tc_cmd {
67 	__le16 queue_id;
68 	__le16 rsvd;
69 	u8 tc_id;
70 	u8 rev[3];
71 };
72 
73 struct hclge_pg_weight_cmd {
74 	u8 pg_id;
75 	u8 dwrr;
76 };
77 
78 struct hclge_priority_weight_cmd {
79 	u8 pri_id;
80 	u8 dwrr;
81 };
82 
83 struct hclge_pri_sch_mode_cfg_cmd {
84 	u8 pri_id;
85 	u8 rsvd[3];
86 	u8 sch_mode;
87 };
88 
89 struct hclge_qs_sch_mode_cfg_cmd {
90 	__le16 qs_id;
91 	u8 rsvd[2];
92 	u8 sch_mode;
93 };
94 
95 struct hclge_qs_weight_cmd {
96 	__le16 qs_id;
97 	u8 dwrr;
98 };
99 
100 struct hclge_ets_tc_weight_cmd {
101 	u8 tc_weight[HNAE3_MAX_TC];
102 	u8 weight_offset;
103 	u8 rsvd[15];
104 };
105 
106 #define HCLGE_TM_SHAP_IR_B_MSK  GENMASK(7, 0)
107 #define HCLGE_TM_SHAP_IR_B_LSH	0
108 #define HCLGE_TM_SHAP_IR_U_MSK  GENMASK(11, 8)
109 #define HCLGE_TM_SHAP_IR_U_LSH	8
110 #define HCLGE_TM_SHAP_IR_S_MSK  GENMASK(15, 12)
111 #define HCLGE_TM_SHAP_IR_S_LSH	12
112 #define HCLGE_TM_SHAP_BS_B_MSK  GENMASK(20, 16)
113 #define HCLGE_TM_SHAP_BS_B_LSH	16
114 #define HCLGE_TM_SHAP_BS_S_MSK  GENMASK(25, 21)
115 #define HCLGE_TM_SHAP_BS_S_LSH	21
116 
117 enum hclge_shap_bucket {
118 	HCLGE_TM_SHAP_C_BUCKET = 0,
119 	HCLGE_TM_SHAP_P_BUCKET,
120 };
121 
122 /* set bit HCLGE_TM_RATE_VLD to 1 means use 'rate' to config shaping */
123 #define HCLGE_TM_RATE_VLD	0
124 
125 struct hclge_pri_shapping_cmd {
126 	u8 pri_id;
127 	u8 rsvd[3];
128 	__le32 pri_shapping_para;
129 	u8 flag;
130 	u8 rsvd1[3];
131 	__le32 pri_rate;
132 };
133 
134 struct hclge_pg_shapping_cmd {
135 	u8 pg_id;
136 	u8 rsvd[3];
137 	__le32 pg_shapping_para;
138 	u8 flag;
139 	u8 rsvd1[3];
140 	__le32 pg_rate;
141 };
142 
143 struct hclge_qs_shapping_cmd {
144 	__le16 qs_id;
145 	u8 rsvd[2];
146 	__le32 qs_shapping_para;
147 	u8 flag;
148 	u8 rsvd1[3];
149 	__le32 qs_rate;
150 };
151 
152 #define HCLGE_BP_GRP_NUM		32
153 #define HCLGE_BP_SUB_GRP_ID_S		0
154 #define HCLGE_BP_SUB_GRP_ID_M		GENMASK(4, 0)
155 #define HCLGE_BP_GRP_ID_S		5
156 #define HCLGE_BP_GRP_ID_M		GENMASK(9, 5)
157 
158 #define HCLGE_BP_EXT_GRP_NUM		40
159 #define HCLGE_BP_EXT_GRP_ID_S		5
160 #define HCLGE_BP_EXT_GRP_ID_M		GENMASK(10, 5)
161 
162 struct hclge_bp_to_qs_map_cmd {
163 	u8 tc_id;
164 	u8 rsvd[2];
165 	u8 qs_group_id;
166 	__le32 qs_bit_map;
167 	u32 rsvd1;
168 };
169 
170 #define HCLGE_PFC_DISABLE	0
171 #define HCLGE_PFC_TX_RX_DISABLE	0
172 
173 struct hclge_pfc_en_cmd {
174 	u8 tx_rx_en_bitmap;
175 	u8 pri_en_bitmap;
176 };
177 
178 struct hclge_cfg_pause_param_cmd {
179 	u8 mac_addr[ETH_ALEN];
180 	u8 pause_trans_gap;
181 	u8 rsvd;
182 	__le16 pause_trans_time;
183 	u8 rsvd1[6];
184 	/* extra mac address to do double check for pause frame */
185 	u8 mac_addr_extra[ETH_ALEN];
186 	u16 rsvd2;
187 };
188 
189 struct hclge_pfc_stats_cmd {
190 	__le64 pkt_num[3];
191 };
192 
193 struct hclge_port_shapping_cmd {
194 	__le32 port_shapping_para;
195 	u8 flag;
196 	u8 rsvd[3];
197 	__le32 port_rate;
198 };
199 
200 struct hclge_shaper_ir_para {
201 	u8 ir_b; /* IR_B parameter of IR shaper */
202 	u8 ir_u; /* IR_U parameter of IR shaper */
203 	u8 ir_s; /* IR_S parameter of IR shaper */
204 };
205 
206 struct hclge_tm_nodes_cmd {
207 	u8 pg_base_id;
208 	u8 pri_base_id;
209 	__le16 qset_base_id;
210 	__le16 queue_base_id;
211 	u8 pg_num;
212 	u8 pri_num;
213 	__le16 qset_num;
214 	__le16 queue_num;
215 };
216 
217 struct hclge_tm_shaper_para {
218 	u32 rate;
219 	u8 ir_b;
220 	u8 ir_u;
221 	u8 ir_s;
222 	u8 bs_b;
223 	u8 bs_s;
224 	u8 flag;
225 };
226 
227 #define hclge_tm_set_field(dest, string, val) \
228 			   hnae3_set_field((dest), \
229 			   (HCLGE_TM_SHAP_##string##_MSK), \
230 			   (HCLGE_TM_SHAP_##string##_LSH), val)
231 #define hclge_tm_get_field(src, string) \
232 			hnae3_get_field((src), HCLGE_TM_SHAP_##string##_MSK, \
233 					HCLGE_TM_SHAP_##string##_LSH)
234 
235 int hclge_tm_schd_init(struct hclge_dev *hdev);
236 int hclge_tm_vport_map_update(struct hclge_dev *hdev);
237 int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init);
238 int hclge_tm_schd_setup_hw(struct hclge_dev *hdev);
239 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc);
240 void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc);
241 void hclge_tm_pfc_info_update(struct hclge_dev *hdev);
242 int hclge_tm_dwrr_cfg(struct hclge_dev *hdev);
243 int hclge_tm_init_hw(struct hclge_dev *hdev, bool init);
244 int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
245 			   u8 pfc_bitmap);
246 int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx);
247 int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr);
248 void hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats);
249 void hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats);
250 int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate);
251 int hclge_tm_port_shaper_cfg(struct hclge_dev *hdev);
252 int hclge_tm_get_qset_num(struct hclge_dev *hdev, u16 *qset_num);
253 int hclge_tm_get_pri_num(struct hclge_dev *hdev, u8 *pri_num);
254 int hclge_tm_get_qset_map_pri(struct hclge_dev *hdev, u16 qset_id, u8 *priority,
255 			      u8 *link_vld);
256 int hclge_tm_get_qset_sch_mode(struct hclge_dev *hdev, u16 qset_id, u8 *mode);
257 int hclge_tm_get_qset_weight(struct hclge_dev *hdev, u16 qset_id, u8 *weight);
258 int hclge_tm_get_qset_shaper(struct hclge_dev *hdev, u16 qset_id,
259 			     struct hclge_tm_shaper_para *para);
260 int hclge_tm_get_pri_sch_mode(struct hclge_dev *hdev, u8 pri_id, u8 *mode);
261 int hclge_tm_get_pri_weight(struct hclge_dev *hdev, u8 pri_id, u8 *weight);
262 int hclge_tm_get_pri_shaper(struct hclge_dev *hdev, u8 pri_id,
263 			    enum hclge_opcode_type cmd,
264 			    struct hclge_tm_shaper_para *para);
265 int hclge_tm_get_q_to_qs_map(struct hclge_dev *hdev, u16 q_id, u16 *qset_id);
266 int hclge_tm_get_q_to_tc(struct hclge_dev *hdev, u16 q_id, u8 *tc_id);
267 int hclge_tm_get_pg_to_pri_map(struct hclge_dev *hdev, u8 pg_id,
268 			       u8 *pri_bit_map);
269 int hclge_tm_get_pg_weight(struct hclge_dev *hdev, u8 pg_id, u8 *weight);
270 int hclge_tm_get_pg_sch_mode(struct hclge_dev *hdev, u8 pg_id, u8 *mode);
271 int hclge_tm_get_pg_shaper(struct hclge_dev *hdev, u8 pg_id,
272 			   enum hclge_opcode_type cmd,
273 			   struct hclge_tm_shaper_para *para);
274 int hclge_tm_get_port_shaper(struct hclge_dev *hdev,
275 			     struct hclge_tm_shaper_para *para);
276 int hclge_up_to_tc_map(struct hclge_dev *hdev);
277 int hclge_dscp_to_tc_map(struct hclge_dev *hdev);
278 int hclge_tm_flush_cfg(struct hclge_dev *hdev, bool enable);
279 #endif
280