1 /*
2  * Copyright (c) 2016~2017 Hisilicon Limited.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #ifndef __HCLGE_MAIN_H
11 #define __HCLGE_MAIN_H
12 #include <linux/fs.h>
13 #include <linux/types.h>
14 #include <linux/phy.h>
15 #include "hclge_cmd.h"
16 #include "hnae3.h"
17 
18 #define HCLGE_MOD_VERSION "v1.0"
19 #define HCLGE_DRIVER_NAME "hclge"
20 
21 #define HCLGE_INVALID_VPORT 0xffff
22 
23 #define HCLGE_ROCE_VECTOR_OFFSET	96
24 
25 #define HCLGE_PF_CFG_BLOCK_SIZE		32
26 #define HCLGE_PF_CFG_DESC_NUM \
27 	(HCLGE_PF_CFG_BLOCK_SIZE / HCLGE_CFG_RD_LEN_BYTES)
28 
29 #define HCLGE_VECTOR_REG_BASE		0x20000
30 
31 #define HCLGE_VECTOR_REG_OFFSET		0x4
32 #define HCLGE_VECTOR_VF_OFFSET		0x100000
33 
34 #define HCLGE_RSS_IND_TBL_SIZE		512
35 #define HCLGE_RSS_SET_BITMAP_MSK	0xffff
36 #define HCLGE_RSS_KEY_SIZE		40
37 #define HCLGE_RSS_HASH_ALGO_TOEPLITZ	0
38 #define HCLGE_RSS_HASH_ALGO_SIMPLE	1
39 #define HCLGE_RSS_HASH_ALGO_SYMMETRIC	2
40 #define HCLGE_RSS_HASH_ALGO_MASK	0xf
41 #define HCLGE_RSS_CFG_TBL_NUM \
42 	(HCLGE_RSS_IND_TBL_SIZE / HCLGE_RSS_CFG_TBL_SIZE)
43 
44 #define HCLGE_RSS_TC_SIZE_0		1
45 #define HCLGE_RSS_TC_SIZE_1		2
46 #define HCLGE_RSS_TC_SIZE_2		4
47 #define HCLGE_RSS_TC_SIZE_3		8
48 #define HCLGE_RSS_TC_SIZE_4		16
49 #define HCLGE_RSS_TC_SIZE_5		32
50 #define HCLGE_RSS_TC_SIZE_6		64
51 #define HCLGE_RSS_TC_SIZE_7		128
52 
53 #define HCLGE_TQP_RESET_TRY_TIMES	10
54 
55 #define HCLGE_PHY_PAGE_MDIX		0
56 #define HCLGE_PHY_PAGE_COPPER		0
57 
58 /* Page Selection Reg. */
59 #define HCLGE_PHY_PAGE_REG		22
60 
61 /* Copper Specific Control Register */
62 #define HCLGE_PHY_CSC_REG		16
63 
64 /* Copper Specific Status Register */
65 #define HCLGE_PHY_CSS_REG		17
66 
67 #define HCLGE_PHY_MDIX_CTRL_S		(5)
68 #define HCLGE_PHY_MDIX_CTRL_M		(3 << HCLGE_PHY_MDIX_CTRL_S)
69 
70 #define HCLGE_PHY_MDIX_STATUS_B	(6)
71 #define HCLGE_PHY_SPEED_DUP_RESOLVE_B	(11)
72 
73 enum HCLGE_DEV_STATE {
74 	HCLGE_STATE_REINITING,
75 	HCLGE_STATE_DOWN,
76 	HCLGE_STATE_DISABLED,
77 	HCLGE_STATE_REMOVING,
78 	HCLGE_STATE_SERVICE_INITED,
79 	HCLGE_STATE_SERVICE_SCHED,
80 	HCLGE_STATE_MBX_HANDLING,
81 	HCLGE_STATE_MBX_IRQ,
82 	HCLGE_STATE_MAX
83 };
84 
85 #define HCLGE_MPF_ENBALE 1
86 struct hclge_caps {
87 	u16 num_tqp;
88 	u16 num_buffer_cell;
89 	u32 flag;
90 	u16 vmdq;
91 };
92 
93 enum HCLGE_MAC_SPEED {
94 	HCLGE_MAC_SPEED_10M	= 10,		/* 10 Mbps */
95 	HCLGE_MAC_SPEED_100M	= 100,		/* 100 Mbps */
96 	HCLGE_MAC_SPEED_1G	= 1000,		/* 1000 Mbps   = 1 Gbps */
97 	HCLGE_MAC_SPEED_10G	= 10000,	/* 10000 Mbps  = 10 Gbps */
98 	HCLGE_MAC_SPEED_25G	= 25000,	/* 25000 Mbps  = 25 Gbps */
99 	HCLGE_MAC_SPEED_40G	= 40000,	/* 40000 Mbps  = 40 Gbps */
100 	HCLGE_MAC_SPEED_50G	= 50000,	/* 50000 Mbps  = 50 Gbps */
101 	HCLGE_MAC_SPEED_100G	= 100000	/* 100000 Mbps = 100 Gbps */
102 };
103 
104 enum HCLGE_MAC_DUPLEX {
105 	HCLGE_MAC_HALF,
106 	HCLGE_MAC_FULL
107 };
108 
109 enum hclge_mta_dmac_sel_type {
110 	HCLGE_MAC_ADDR_47_36,
111 	HCLGE_MAC_ADDR_46_35,
112 	HCLGE_MAC_ADDR_45_34,
113 	HCLGE_MAC_ADDR_44_33,
114 };
115 
116 struct hclge_mac {
117 	u8 phy_addr;
118 	u8 flag;
119 	u8 media_type;
120 	u8 mac_addr[ETH_ALEN];
121 	u8 autoneg;
122 	u8 duplex;
123 	u32 speed;
124 	int link;	/* store the link status of mac & phy (if phy exit)*/
125 	struct phy_device *phydev;
126 	struct mii_bus *mdio_bus;
127 	phy_interface_t phy_if;
128 };
129 
130 struct hclge_hw {
131 	void __iomem *io_base;
132 	struct hclge_mac mac;
133 	int num_vec;
134 	struct hclge_cmq cmq;
135 	struct hclge_caps caps;
136 	void *back;
137 };
138 
139 /* TQP stats */
140 struct hlcge_tqp_stats {
141 	/* query_tqp_tx_queue_statistics ,opcode id:  0x0B03 */
142 	u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
143 	/* query_tqp_rx_queue_statistics ,opcode id:  0x0B13 */
144 	u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
145 };
146 
147 struct hclge_tqp {
148 	struct device *dev;	/* Device for DMA mapping */
149 	struct hnae3_queue q;
150 	struct hlcge_tqp_stats tqp_stats;
151 	u16 index;	/* Global index in a NIC controller */
152 
153 	bool alloced;
154 };
155 
156 enum hclge_fc_mode {
157 	HCLGE_FC_NONE,
158 	HCLGE_FC_RX_PAUSE,
159 	HCLGE_FC_TX_PAUSE,
160 	HCLGE_FC_FULL,
161 	HCLGE_FC_PFC,
162 	HCLGE_FC_DEFAULT
163 };
164 
165 #define HCLGE_PG_NUM		4
166 #define HCLGE_SCH_MODE_SP	0
167 #define HCLGE_SCH_MODE_DWRR	1
168 struct hclge_pg_info {
169 	u8 pg_id;
170 	u8 pg_sch_mode;		/* 0: sp; 1: dwrr */
171 	u8 tc_bit_map;
172 	u32 bw_limit;
173 	u8 tc_dwrr[HNAE3_MAX_TC];
174 };
175 
176 struct hclge_tc_info {
177 	u8 tc_id;
178 	u8 tc_sch_mode;		/* 0: sp; 1: dwrr */
179 	u8 pgid;
180 	u32 bw_limit;
181 };
182 
183 struct hclge_cfg {
184 	u8 vmdq_vport_num;
185 	u8 tc_num;
186 	u16 tqp_desc_num;
187 	u16 rx_buf_len;
188 	u8 phy_addr;
189 	u8 media_type;
190 	u8 mac_addr[ETH_ALEN];
191 	u8 default_speed;
192 	u32 numa_node_map;
193 };
194 
195 struct hclge_tm_info {
196 	u8 num_tc;
197 	u8 num_pg;      /* It must be 1 if vNET-Base schd */
198 	u8 pg_dwrr[HCLGE_PG_NUM];
199 	u8 prio_tc[HNAE3_MAX_USER_PRIO];
200 	struct hclge_pg_info pg_info[HCLGE_PG_NUM];
201 	struct hclge_tc_info tc_info[HNAE3_MAX_TC];
202 	enum hclge_fc_mode fc_mode;
203 	u8 hw_pfc_map; /* Allow for packet drop or not on this TC */
204 };
205 
206 struct hclge_comm_stats_str {
207 	char desc[ETH_GSTRING_LEN];
208 	unsigned long offset;
209 };
210 
211 /* all 64bit stats, opcode id: 0x0030 */
212 struct hclge_64_bit_stats {
213 	/* query_igu_stat */
214 	u64 igu_rx_oversize_pkt;
215 	u64 igu_rx_undersize_pkt;
216 	u64 igu_rx_out_all_pkt;
217 	u64 igu_rx_uni_pkt;
218 	u64 igu_rx_multi_pkt;
219 	u64 igu_rx_broad_pkt;
220 	u64 rsv0;
221 
222 	/* query_egu_stat */
223 	u64 egu_tx_out_all_pkt;
224 	u64 egu_tx_uni_pkt;
225 	u64 egu_tx_multi_pkt;
226 	u64 egu_tx_broad_pkt;
227 
228 	/* ssu_ppp packet stats */
229 	u64 ssu_ppp_mac_key_num;
230 	u64 ssu_ppp_host_key_num;
231 	u64 ppp_ssu_mac_rlt_num;
232 	u64 ppp_ssu_host_rlt_num;
233 
234 	/* ssu_tx_in_out_dfx_stats */
235 	u64 ssu_tx_in_num;
236 	u64 ssu_tx_out_num;
237 	/* ssu_rx_in_out_dfx_stats */
238 	u64 ssu_rx_in_num;
239 	u64 ssu_rx_out_num;
240 };
241 
242 /* all 32bit stats, opcode id: 0x0031 */
243 struct hclge_32_bit_stats {
244 	u64 igu_rx_err_pkt;
245 	u64 igu_rx_no_eof_pkt;
246 	u64 igu_rx_no_sof_pkt;
247 	u64 egu_tx_1588_pkt;
248 	u64 egu_tx_err_pkt;
249 	u64 ssu_full_drop_num;
250 	u64 ssu_part_drop_num;
251 	u64 ppp_key_drop_num;
252 	u64 ppp_rlt_drop_num;
253 	u64 ssu_key_drop_num;
254 	u64 pkt_curr_buf_cnt;
255 	u64 qcn_fb_rcv_cnt;
256 	u64 qcn_fb_drop_cnt;
257 	u64 qcn_fb_invaild_cnt;
258 	u64 rsv0;
259 	u64 rx_packet_tc0_in_cnt;
260 	u64 rx_packet_tc1_in_cnt;
261 	u64 rx_packet_tc2_in_cnt;
262 	u64 rx_packet_tc3_in_cnt;
263 	u64 rx_packet_tc4_in_cnt;
264 	u64 rx_packet_tc5_in_cnt;
265 	u64 rx_packet_tc6_in_cnt;
266 	u64 rx_packet_tc7_in_cnt;
267 	u64 rx_packet_tc0_out_cnt;
268 	u64 rx_packet_tc1_out_cnt;
269 	u64 rx_packet_tc2_out_cnt;
270 	u64 rx_packet_tc3_out_cnt;
271 	u64 rx_packet_tc4_out_cnt;
272 	u64 rx_packet_tc5_out_cnt;
273 	u64 rx_packet_tc6_out_cnt;
274 	u64 rx_packet_tc7_out_cnt;
275 
276 	/* Tx packet level statistics */
277 	u64 tx_packet_tc0_in_cnt;
278 	u64 tx_packet_tc1_in_cnt;
279 	u64 tx_packet_tc2_in_cnt;
280 	u64 tx_packet_tc3_in_cnt;
281 	u64 tx_packet_tc4_in_cnt;
282 	u64 tx_packet_tc5_in_cnt;
283 	u64 tx_packet_tc6_in_cnt;
284 	u64 tx_packet_tc7_in_cnt;
285 	u64 tx_packet_tc0_out_cnt;
286 	u64 tx_packet_tc1_out_cnt;
287 	u64 tx_packet_tc2_out_cnt;
288 	u64 tx_packet_tc3_out_cnt;
289 	u64 tx_packet_tc4_out_cnt;
290 	u64 tx_packet_tc5_out_cnt;
291 	u64 tx_packet_tc6_out_cnt;
292 	u64 tx_packet_tc7_out_cnt;
293 
294 	/* packet buffer statistics */
295 	u64 pkt_curr_buf_tc0_cnt;
296 	u64 pkt_curr_buf_tc1_cnt;
297 	u64 pkt_curr_buf_tc2_cnt;
298 	u64 pkt_curr_buf_tc3_cnt;
299 	u64 pkt_curr_buf_tc4_cnt;
300 	u64 pkt_curr_buf_tc5_cnt;
301 	u64 pkt_curr_buf_tc6_cnt;
302 	u64 pkt_curr_buf_tc7_cnt;
303 
304 	u64 mb_uncopy_num;
305 	u64 lo_pri_unicast_rlt_drop_num;
306 	u64 hi_pri_multicast_rlt_drop_num;
307 	u64 lo_pri_multicast_rlt_drop_num;
308 	u64 rx_oq_drop_pkt_cnt;
309 	u64 tx_oq_drop_pkt_cnt;
310 	u64 nic_l2_err_drop_pkt_cnt;
311 	u64 roc_l2_err_drop_pkt_cnt;
312 };
313 
314 /* mac stats ,opcode id: 0x0032 */
315 struct hclge_mac_stats {
316 	u64 mac_tx_mac_pause_num;
317 	u64 mac_rx_mac_pause_num;
318 	u64 mac_tx_pfc_pri0_pkt_num;
319 	u64 mac_tx_pfc_pri1_pkt_num;
320 	u64 mac_tx_pfc_pri2_pkt_num;
321 	u64 mac_tx_pfc_pri3_pkt_num;
322 	u64 mac_tx_pfc_pri4_pkt_num;
323 	u64 mac_tx_pfc_pri5_pkt_num;
324 	u64 mac_tx_pfc_pri6_pkt_num;
325 	u64 mac_tx_pfc_pri7_pkt_num;
326 	u64 mac_rx_pfc_pri0_pkt_num;
327 	u64 mac_rx_pfc_pri1_pkt_num;
328 	u64 mac_rx_pfc_pri2_pkt_num;
329 	u64 mac_rx_pfc_pri3_pkt_num;
330 	u64 mac_rx_pfc_pri4_pkt_num;
331 	u64 mac_rx_pfc_pri5_pkt_num;
332 	u64 mac_rx_pfc_pri6_pkt_num;
333 	u64 mac_rx_pfc_pri7_pkt_num;
334 	u64 mac_tx_total_pkt_num;
335 	u64 mac_tx_total_oct_num;
336 	u64 mac_tx_good_pkt_num;
337 	u64 mac_tx_bad_pkt_num;
338 	u64 mac_tx_good_oct_num;
339 	u64 mac_tx_bad_oct_num;
340 	u64 mac_tx_uni_pkt_num;
341 	u64 mac_tx_multi_pkt_num;
342 	u64 mac_tx_broad_pkt_num;
343 	u64 mac_tx_undersize_pkt_num;
344 	u64 mac_tx_overrsize_pkt_num;
345 	u64 mac_tx_64_oct_pkt_num;
346 	u64 mac_tx_65_127_oct_pkt_num;
347 	u64 mac_tx_128_255_oct_pkt_num;
348 	u64 mac_tx_256_511_oct_pkt_num;
349 	u64 mac_tx_512_1023_oct_pkt_num;
350 	u64 mac_tx_1024_1518_oct_pkt_num;
351 	u64 mac_tx_1519_max_oct_pkt_num;
352 	u64 mac_rx_total_pkt_num;
353 	u64 mac_rx_total_oct_num;
354 	u64 mac_rx_good_pkt_num;
355 	u64 mac_rx_bad_pkt_num;
356 	u64 mac_rx_good_oct_num;
357 	u64 mac_rx_bad_oct_num;
358 	u64 mac_rx_uni_pkt_num;
359 	u64 mac_rx_multi_pkt_num;
360 	u64 mac_rx_broad_pkt_num;
361 	u64 mac_rx_undersize_pkt_num;
362 	u64 mac_rx_overrsize_pkt_num;
363 	u64 mac_rx_64_oct_pkt_num;
364 	u64 mac_rx_65_127_oct_pkt_num;
365 	u64 mac_rx_128_255_oct_pkt_num;
366 	u64 mac_rx_256_511_oct_pkt_num;
367 	u64 mac_rx_512_1023_oct_pkt_num;
368 	u64 mac_rx_1024_1518_oct_pkt_num;
369 	u64 mac_rx_1519_max_oct_pkt_num;
370 
371 	u64 mac_trans_fragment_pkt_num;
372 	u64 mac_trans_undermin_pkt_num;
373 	u64 mac_trans_jabber_pkt_num;
374 	u64 mac_trans_err_all_pkt_num;
375 	u64 mac_trans_from_app_good_pkt_num;
376 	u64 mac_trans_from_app_bad_pkt_num;
377 	u64 mac_rcv_fragment_pkt_num;
378 	u64 mac_rcv_undermin_pkt_num;
379 	u64 mac_rcv_jabber_pkt_num;
380 	u64 mac_rcv_fcs_err_pkt_num;
381 	u64 mac_rcv_send_app_good_pkt_num;
382 	u64 mac_rcv_send_app_bad_pkt_num;
383 };
384 
385 struct hclge_hw_stats {
386 	struct hclge_mac_stats      mac_stats;
387 	struct hclge_64_bit_stats   all_64_bit_stats;
388 	struct hclge_32_bit_stats   all_32_bit_stats;
389 };
390 
391 struct hclge_dev {
392 	struct pci_dev *pdev;
393 	struct hnae3_ae_dev *ae_dev;
394 	struct hclge_hw hw;
395 	struct hclge_hw_stats hw_stats;
396 	unsigned long state;
397 
398 	u32 fw_version;
399 	u16 num_vmdq_vport;		/* Num vmdq vport this PF has set up */
400 	u16 num_tqps;			/* Num task queue pairs of this PF */
401 	u16 num_req_vfs;		/* Num VFs requested for this PF */
402 
403 	u16 num_roce_msix;		/* Num of roce vectors for this PF */
404 	int roce_base_vector;
405 
406 	/* Base task tqp physical id of this PF */
407 	u16 base_tqp_pid;
408 	u16 alloc_rss_size;		/* Allocated RSS task queue */
409 	u16 rss_size_max;		/* HW defined max RSS task queue */
410 
411 	/* Num of guaranteed filters for this PF */
412 	u16 fdir_pf_filter_count;
413 	u16 num_alloc_vport;		/* Num vports this driver supports */
414 	u32 numa_node_mask;
415 	u16 rx_buf_len;
416 	u16 num_desc;
417 	u8 hw_tc_map;
418 	u8 tc_num_last_time;
419 	enum hclge_fc_mode fc_mode_last_time;
420 
421 #define HCLGE_FLAG_TC_BASE_SCH_MODE		1
422 #define HCLGE_FLAG_VNET_BASE_SCH_MODE		2
423 	u8 tx_sch_mode;
424 
425 	u8 default_up;
426 	struct hclge_tm_info tm_info;
427 
428 	u16 num_msi;
429 	u16 num_msi_left;
430 	u16 num_msi_used;
431 	u32 base_msi_vector;
432 	struct msix_entry *msix_entries;
433 	u16 *vector_status;
434 
435 	u16 pending_udp_bitmap;
436 
437 	u16 rx_itr_default;
438 	u16 tx_itr_default;
439 
440 	u16 adminq_work_limit; /* Num of admin receive queue desc to process */
441 	unsigned long service_timer_period;
442 	unsigned long service_timer_previous;
443 	struct timer_list service_timer;
444 	struct work_struct service_task;
445 
446 	bool cur_promisc;
447 	int num_alloc_vfs;	/* Actual number of VFs allocated */
448 
449 	struct hclge_tqp *htqp;
450 	struct hclge_vport *vport;
451 
452 	struct dentry *hclge_dbgfs;
453 
454 	struct hnae3_client *nic_client;
455 	struct hnae3_client *roce_client;
456 
457 #define HCLGE_FLAG_USE_MSI	0x00000001
458 #define HCLGE_FLAG_USE_MSIX	0x00000002
459 #define HCLGE_FLAG_MAIN		0x00000004
460 #define HCLGE_FLAG_DCB_CAPABLE	0x00000008
461 #define HCLGE_FLAG_DCB_ENABLE	0x00000010
462 	u32 flag;
463 
464 	u32 pkt_buf_size; /* Total pf buf size for tx/rx */
465 	u32 mps; /* Max packet size */
466 	struct hclge_priv_buf *priv_buf;
467 	struct hclge_shared_buf s_buf;
468 
469 	enum hclge_mta_dmac_sel_type mta_mac_sel_type;
470 	bool enable_mta; /* Mutilcast filter enable */
471 	bool accept_mta_mc; /* Whether accept mta filter multicast */
472 };
473 
474 struct hclge_vport {
475 	u16 alloc_tqps;	/* Allocated Tx/Rx queues */
476 
477 	u8  rss_hash_key[HCLGE_RSS_KEY_SIZE]; /* User configured hash keys */
478 	/* User configured lookup table entries */
479 	u8  rss_indirection_tbl[HCLGE_RSS_IND_TBL_SIZE];
480 	u16 alloc_rss_size;
481 
482 	u16 qs_offset;
483 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
484 	u8  dwrr;
485 
486 	int vport_id;
487 	struct hclge_dev *back;  /* Back reference to associated dev */
488 	struct hnae3_handle nic;
489 	struct hnae3_handle roce;
490 };
491 
492 void hclge_promisc_param_init(struct hclge_promisc_param *param, bool en_uc,
493 			      bool en_mc, bool en_bc, int vport_id);
494 
495 int hclge_add_uc_addr_common(struct hclge_vport *vport,
496 			     const unsigned char *addr);
497 int hclge_rm_uc_addr_common(struct hclge_vport *vport,
498 			    const unsigned char *addr);
499 int hclge_add_mc_addr_common(struct hclge_vport *vport,
500 			     const unsigned char *addr);
501 int hclge_rm_mc_addr_common(struct hclge_vport *vport,
502 			    const unsigned char *addr);
503 
504 int hclge_cfg_func_mta_filter(struct hclge_dev *hdev,
505 			      u8 func_id,
506 			      bool enable);
507 struct hclge_vport *hclge_get_vport(struct hnae3_handle *handle);
508 int hclge_map_vport_ring_to_vector(struct hclge_vport *vport, int vector,
509 				   struct hnae3_ring_chain_node *ring_chain);
510 static inline int hclge_get_queue_id(struct hnae3_queue *queue)
511 {
512 	struct hclge_tqp *tqp = container_of(queue, struct hclge_tqp, q);
513 
514 	return tqp->index;
515 }
516 
517 int hclge_cfg_mac_speed_dup(struct hclge_dev *hdev, int speed, u8 duplex);
518 int hclge_set_vf_vlan_common(struct hclge_dev *vport, int vfid,
519 			     bool is_kill, u16 vlan, u8 qos, __be16 proto);
520 #endif
521