1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3
4 #include <linux/etherdevice.h>
5
6 #include "hclge_cmd.h"
7 #include "hclge_main.h"
8 #include "hclge_tm.h"
9
10 enum hclge_shaper_level {
11 HCLGE_SHAPER_LVL_PRI = 0,
12 HCLGE_SHAPER_LVL_PG = 1,
13 HCLGE_SHAPER_LVL_PORT = 2,
14 HCLGE_SHAPER_LVL_QSET = 3,
15 HCLGE_SHAPER_LVL_CNT = 4,
16 HCLGE_SHAPER_LVL_VF = 0,
17 HCLGE_SHAPER_LVL_PF = 1,
18 };
19
20 #define HCLGE_TM_PFC_PKT_GET_CMD_NUM 3
21 #define HCLGE_TM_PFC_NUM_GET_PER_CMD 3
22
23 #define HCLGE_SHAPER_BS_U_DEF 5
24 #define HCLGE_SHAPER_BS_S_DEF 20
25
26 /* hclge_shaper_para_calc: calculate ir parameter for the shaper
27 * @ir: Rate to be config, its unit is Mbps
28 * @shaper_level: the shaper level. eg: port, pg, priority, queueset
29 * @ir_para: parameters of IR shaper
30 * @max_tm_rate: max tm rate is available to config
31 *
32 * the formula:
33 *
34 * IR_b * (2 ^ IR_u) * 8
35 * IR(Mbps) = ------------------------- * CLOCK(1000Mbps)
36 * Tick * (2 ^ IR_s)
37 *
38 * @return: 0: calculate sucessful, negative: fail
39 */
hclge_shaper_para_calc(u32 ir,u8 shaper_level,struct hclge_shaper_ir_para * ir_para,u32 max_tm_rate)40 static int hclge_shaper_para_calc(u32 ir, u8 shaper_level,
41 struct hclge_shaper_ir_para *ir_para,
42 u32 max_tm_rate)
43 {
44 #define DIVISOR_CLK (1000 * 8)
45 #define DIVISOR_IR_B_126 (126 * DIVISOR_CLK)
46
47 static const u16 tick_array[HCLGE_SHAPER_LVL_CNT] = {
48 6 * 256, /* Prioriy level */
49 6 * 32, /* Prioriy group level */
50 6 * 8, /* Port level */
51 6 * 256 /* Qset level */
52 };
53 u8 ir_u_calc = 0;
54 u8 ir_s_calc = 0;
55 u32 ir_calc;
56 u32 tick;
57
58 /* Calc tick */
59 if (shaper_level >= HCLGE_SHAPER_LVL_CNT ||
60 ir > max_tm_rate)
61 return -EINVAL;
62
63 tick = tick_array[shaper_level];
64
65 /**
66 * Calc the speed if ir_b = 126, ir_u = 0 and ir_s = 0
67 * the formula is changed to:
68 * 126 * 1 * 8
69 * ir_calc = ---------------- * 1000
70 * tick * 1
71 */
72 ir_calc = (DIVISOR_IR_B_126 + (tick >> 1) - 1) / tick;
73
74 if (ir_calc == ir) {
75 ir_para->ir_b = 126;
76 ir_para->ir_u = 0;
77 ir_para->ir_s = 0;
78
79 return 0;
80 } else if (ir_calc > ir) {
81 /* Increasing the denominator to select ir_s value */
82 while (ir_calc >= ir && ir) {
83 ir_s_calc++;
84 ir_calc = DIVISOR_IR_B_126 / (tick * (1 << ir_s_calc));
85 }
86
87 ir_para->ir_b = (ir * tick * (1 << ir_s_calc) +
88 (DIVISOR_CLK >> 1)) / DIVISOR_CLK;
89 } else {
90 /* Increasing the numerator to select ir_u value */
91 u32 numerator;
92
93 while (ir_calc < ir) {
94 ir_u_calc++;
95 numerator = DIVISOR_IR_B_126 * (1 << ir_u_calc);
96 ir_calc = (numerator + (tick >> 1)) / tick;
97 }
98
99 if (ir_calc == ir) {
100 ir_para->ir_b = 126;
101 } else {
102 u32 denominator = DIVISOR_CLK * (1 << --ir_u_calc);
103 ir_para->ir_b = (ir * tick + (denominator >> 1)) /
104 denominator;
105 }
106 }
107
108 ir_para->ir_u = ir_u_calc;
109 ir_para->ir_s = ir_s_calc;
110
111 return 0;
112 }
113
hclge_pfc_stats_get(struct hclge_dev * hdev,enum hclge_opcode_type opcode,u64 * stats)114 static int hclge_pfc_stats_get(struct hclge_dev *hdev,
115 enum hclge_opcode_type opcode, u64 *stats)
116 {
117 struct hclge_desc desc[HCLGE_TM_PFC_PKT_GET_CMD_NUM];
118 int ret, i, j;
119
120 if (!(opcode == HCLGE_OPC_QUERY_PFC_RX_PKT_CNT ||
121 opcode == HCLGE_OPC_QUERY_PFC_TX_PKT_CNT))
122 return -EINVAL;
123
124 for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM - 1; i++) {
125 hclge_cmd_setup_basic_desc(&desc[i], opcode, true);
126 desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
127 }
128
129 hclge_cmd_setup_basic_desc(&desc[i], opcode, true);
130
131 ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_TM_PFC_PKT_GET_CMD_NUM);
132 if (ret)
133 return ret;
134
135 for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM; i++) {
136 struct hclge_pfc_stats_cmd *pfc_stats =
137 (struct hclge_pfc_stats_cmd *)desc[i].data;
138
139 for (j = 0; j < HCLGE_TM_PFC_NUM_GET_PER_CMD; j++) {
140 u32 index = i * HCLGE_TM_PFC_PKT_GET_CMD_NUM + j;
141
142 if (index < HCLGE_MAX_TC_NUM)
143 stats[index] =
144 le64_to_cpu(pfc_stats->pkt_num[j]);
145 }
146 }
147 return 0;
148 }
149
hclge_pfc_rx_stats_get(struct hclge_dev * hdev,u64 * stats)150 int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats)
151 {
152 return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_RX_PKT_CNT, stats);
153 }
154
hclge_pfc_tx_stats_get(struct hclge_dev * hdev,u64 * stats)155 int hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats)
156 {
157 return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_TX_PKT_CNT, stats);
158 }
159
hclge_mac_pause_en_cfg(struct hclge_dev * hdev,bool tx,bool rx)160 int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx)
161 {
162 struct hclge_desc desc;
163
164 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PAUSE_EN, false);
165
166 desc.data[0] = cpu_to_le32((tx ? HCLGE_TX_MAC_PAUSE_EN_MSK : 0) |
167 (rx ? HCLGE_RX_MAC_PAUSE_EN_MSK : 0));
168
169 return hclge_cmd_send(&hdev->hw, &desc, 1);
170 }
171
hclge_pfc_pause_en_cfg(struct hclge_dev * hdev,u8 tx_rx_bitmap,u8 pfc_bitmap)172 static int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
173 u8 pfc_bitmap)
174 {
175 struct hclge_desc desc;
176 struct hclge_pfc_en_cmd *pfc = (struct hclge_pfc_en_cmd *)desc.data;
177
178 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PFC_PAUSE_EN, false);
179
180 pfc->tx_rx_en_bitmap = tx_rx_bitmap;
181 pfc->pri_en_bitmap = pfc_bitmap;
182
183 return hclge_cmd_send(&hdev->hw, &desc, 1);
184 }
185
hclge_pause_param_cfg(struct hclge_dev * hdev,const u8 * addr,u8 pause_trans_gap,u16 pause_trans_time)186 static int hclge_pause_param_cfg(struct hclge_dev *hdev, const u8 *addr,
187 u8 pause_trans_gap, u16 pause_trans_time)
188 {
189 struct hclge_cfg_pause_param_cmd *pause_param;
190 struct hclge_desc desc;
191
192 pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
193
194 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, false);
195
196 ether_addr_copy(pause_param->mac_addr, addr);
197 ether_addr_copy(pause_param->mac_addr_extra, addr);
198 pause_param->pause_trans_gap = pause_trans_gap;
199 pause_param->pause_trans_time = cpu_to_le16(pause_trans_time);
200
201 return hclge_cmd_send(&hdev->hw, &desc, 1);
202 }
203
hclge_pause_addr_cfg(struct hclge_dev * hdev,const u8 * mac_addr)204 int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr)
205 {
206 struct hclge_cfg_pause_param_cmd *pause_param;
207 struct hclge_desc desc;
208 u16 trans_time;
209 u8 trans_gap;
210 int ret;
211
212 pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
213
214 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, true);
215
216 ret = hclge_cmd_send(&hdev->hw, &desc, 1);
217 if (ret)
218 return ret;
219
220 trans_gap = pause_param->pause_trans_gap;
221 trans_time = le16_to_cpu(pause_param->pause_trans_time);
222
223 return hclge_pause_param_cfg(hdev, mac_addr, trans_gap, trans_time);
224 }
225
hclge_fill_pri_array(struct hclge_dev * hdev,u8 * pri,u8 pri_id)226 static int hclge_fill_pri_array(struct hclge_dev *hdev, u8 *pri, u8 pri_id)
227 {
228 u8 tc;
229
230 tc = hdev->tm_info.prio_tc[pri_id];
231
232 if (tc >= hdev->tm_info.num_tc)
233 return -EINVAL;
234
235 /**
236 * the register for priority has four bytes, the first bytes includes
237 * priority0 and priority1, the higher 4bit stands for priority1
238 * while the lower 4bit stands for priority0, as below:
239 * first byte: | pri_1 | pri_0 |
240 * second byte: | pri_3 | pri_2 |
241 * third byte: | pri_5 | pri_4 |
242 * fourth byte: | pri_7 | pri_6 |
243 */
244 pri[pri_id >> 1] |= tc << ((pri_id & 1) * 4);
245
246 return 0;
247 }
248
hclge_up_to_tc_map(struct hclge_dev * hdev)249 static int hclge_up_to_tc_map(struct hclge_dev *hdev)
250 {
251 struct hclge_desc desc;
252 u8 *pri = (u8 *)desc.data;
253 u8 pri_id;
254 int ret;
255
256 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PRI_TO_TC_MAPPING, false);
257
258 for (pri_id = 0; pri_id < HNAE3_MAX_USER_PRIO; pri_id++) {
259 ret = hclge_fill_pri_array(hdev, pri, pri_id);
260 if (ret)
261 return ret;
262 }
263
264 return hclge_cmd_send(&hdev->hw, &desc, 1);
265 }
266
hclge_tm_pg_to_pri_map_cfg(struct hclge_dev * hdev,u8 pg_id,u8 pri_bit_map)267 static int hclge_tm_pg_to_pri_map_cfg(struct hclge_dev *hdev,
268 u8 pg_id, u8 pri_bit_map)
269 {
270 struct hclge_pg_to_pri_link_cmd *map;
271 struct hclge_desc desc;
272
273 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_TO_PRI_LINK, false);
274
275 map = (struct hclge_pg_to_pri_link_cmd *)desc.data;
276
277 map->pg_id = pg_id;
278 map->pri_bit_map = pri_bit_map;
279
280 return hclge_cmd_send(&hdev->hw, &desc, 1);
281 }
282
hclge_tm_qs_to_pri_map_cfg(struct hclge_dev * hdev,u16 qs_id,u8 pri)283 static int hclge_tm_qs_to_pri_map_cfg(struct hclge_dev *hdev,
284 u16 qs_id, u8 pri)
285 {
286 struct hclge_qs_to_pri_link_cmd *map;
287 struct hclge_desc desc;
288
289 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_TO_PRI_LINK, false);
290
291 map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
292
293 map->qs_id = cpu_to_le16(qs_id);
294 map->priority = pri;
295 map->link_vld = HCLGE_TM_QS_PRI_LINK_VLD_MSK;
296
297 return hclge_cmd_send(&hdev->hw, &desc, 1);
298 }
299
hclge_tm_q_to_qs_map_cfg(struct hclge_dev * hdev,u16 q_id,u16 qs_id)300 static int hclge_tm_q_to_qs_map_cfg(struct hclge_dev *hdev,
301 u16 q_id, u16 qs_id)
302 {
303 struct hclge_nq_to_qs_link_cmd *map;
304 struct hclge_desc desc;
305
306 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NQ_TO_QS_LINK, false);
307
308 map = (struct hclge_nq_to_qs_link_cmd *)desc.data;
309
310 map->nq_id = cpu_to_le16(q_id);
311 map->qset_id = cpu_to_le16(qs_id | HCLGE_TM_Q_QS_LINK_VLD_MSK);
312
313 return hclge_cmd_send(&hdev->hw, &desc, 1);
314 }
315
hclge_tm_pg_weight_cfg(struct hclge_dev * hdev,u8 pg_id,u8 dwrr)316 static int hclge_tm_pg_weight_cfg(struct hclge_dev *hdev, u8 pg_id,
317 u8 dwrr)
318 {
319 struct hclge_pg_weight_cmd *weight;
320 struct hclge_desc desc;
321
322 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_WEIGHT, false);
323
324 weight = (struct hclge_pg_weight_cmd *)desc.data;
325
326 weight->pg_id = pg_id;
327 weight->dwrr = dwrr;
328
329 return hclge_cmd_send(&hdev->hw, &desc, 1);
330 }
331
hclge_tm_pri_weight_cfg(struct hclge_dev * hdev,u8 pri_id,u8 dwrr)332 static int hclge_tm_pri_weight_cfg(struct hclge_dev *hdev, u8 pri_id,
333 u8 dwrr)
334 {
335 struct hclge_priority_weight_cmd *weight;
336 struct hclge_desc desc;
337
338 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_WEIGHT, false);
339
340 weight = (struct hclge_priority_weight_cmd *)desc.data;
341
342 weight->pri_id = pri_id;
343 weight->dwrr = dwrr;
344
345 return hclge_cmd_send(&hdev->hw, &desc, 1);
346 }
347
hclge_tm_qs_weight_cfg(struct hclge_dev * hdev,u16 qs_id,u8 dwrr)348 static int hclge_tm_qs_weight_cfg(struct hclge_dev *hdev, u16 qs_id,
349 u8 dwrr)
350 {
351 struct hclge_qs_weight_cmd *weight;
352 struct hclge_desc desc;
353
354 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_WEIGHT, false);
355
356 weight = (struct hclge_qs_weight_cmd *)desc.data;
357
358 weight->qs_id = cpu_to_le16(qs_id);
359 weight->dwrr = dwrr;
360
361 return hclge_cmd_send(&hdev->hw, &desc, 1);
362 }
363
hclge_tm_get_shapping_para(u8 ir_b,u8 ir_u,u8 ir_s,u8 bs_b,u8 bs_s)364 static u32 hclge_tm_get_shapping_para(u8 ir_b, u8 ir_u, u8 ir_s,
365 u8 bs_b, u8 bs_s)
366 {
367 u32 shapping_para = 0;
368
369 hclge_tm_set_field(shapping_para, IR_B, ir_b);
370 hclge_tm_set_field(shapping_para, IR_U, ir_u);
371 hclge_tm_set_field(shapping_para, IR_S, ir_s);
372 hclge_tm_set_field(shapping_para, BS_B, bs_b);
373 hclge_tm_set_field(shapping_para, BS_S, bs_s);
374
375 return shapping_para;
376 }
377
hclge_tm_pg_shapping_cfg(struct hclge_dev * hdev,enum hclge_shap_bucket bucket,u8 pg_id,u32 shapping_para)378 static int hclge_tm_pg_shapping_cfg(struct hclge_dev *hdev,
379 enum hclge_shap_bucket bucket, u8 pg_id,
380 u32 shapping_para)
381 {
382 struct hclge_pg_shapping_cmd *shap_cfg_cmd;
383 enum hclge_opcode_type opcode;
384 struct hclge_desc desc;
385
386 opcode = bucket ? HCLGE_OPC_TM_PG_P_SHAPPING :
387 HCLGE_OPC_TM_PG_C_SHAPPING;
388 hclge_cmd_setup_basic_desc(&desc, opcode, false);
389
390 shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
391
392 shap_cfg_cmd->pg_id = pg_id;
393
394 shap_cfg_cmd->pg_shapping_para = cpu_to_le32(shapping_para);
395
396 return hclge_cmd_send(&hdev->hw, &desc, 1);
397 }
398
hclge_tm_port_shaper_cfg(struct hclge_dev * hdev)399 static int hclge_tm_port_shaper_cfg(struct hclge_dev *hdev)
400 {
401 struct hclge_port_shapping_cmd *shap_cfg_cmd;
402 struct hclge_shaper_ir_para ir_para;
403 struct hclge_desc desc;
404 u32 shapping_para;
405 int ret;
406
407 ret = hclge_shaper_para_calc(hdev->hw.mac.speed, HCLGE_SHAPER_LVL_PORT,
408 &ir_para,
409 hdev->ae_dev->dev_specs.max_tm_rate);
410 if (ret)
411 return ret;
412
413 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PORT_SHAPPING, false);
414 shap_cfg_cmd = (struct hclge_port_shapping_cmd *)desc.data;
415
416 shapping_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
417 ir_para.ir_s,
418 HCLGE_SHAPER_BS_U_DEF,
419 HCLGE_SHAPER_BS_S_DEF);
420
421 shap_cfg_cmd->port_shapping_para = cpu_to_le32(shapping_para);
422
423 return hclge_cmd_send(&hdev->hw, &desc, 1);
424 }
425
hclge_tm_pri_shapping_cfg(struct hclge_dev * hdev,enum hclge_shap_bucket bucket,u8 pri_id,u32 shapping_para)426 static int hclge_tm_pri_shapping_cfg(struct hclge_dev *hdev,
427 enum hclge_shap_bucket bucket, u8 pri_id,
428 u32 shapping_para)
429 {
430 struct hclge_pri_shapping_cmd *shap_cfg_cmd;
431 enum hclge_opcode_type opcode;
432 struct hclge_desc desc;
433
434 opcode = bucket ? HCLGE_OPC_TM_PRI_P_SHAPPING :
435 HCLGE_OPC_TM_PRI_C_SHAPPING;
436
437 hclge_cmd_setup_basic_desc(&desc, opcode, false);
438
439 shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
440
441 shap_cfg_cmd->pri_id = pri_id;
442
443 shap_cfg_cmd->pri_shapping_para = cpu_to_le32(shapping_para);
444
445 return hclge_cmd_send(&hdev->hw, &desc, 1);
446 }
447
hclge_tm_pg_schd_mode_cfg(struct hclge_dev * hdev,u8 pg_id)448 static int hclge_tm_pg_schd_mode_cfg(struct hclge_dev *hdev, u8 pg_id)
449 {
450 struct hclge_desc desc;
451
452 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_SCH_MODE_CFG, false);
453
454 if (hdev->tm_info.pg_info[pg_id].pg_sch_mode == HCLGE_SCH_MODE_DWRR)
455 desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
456 else
457 desc.data[1] = 0;
458
459 desc.data[0] = cpu_to_le32(pg_id);
460
461 return hclge_cmd_send(&hdev->hw, &desc, 1);
462 }
463
hclge_tm_pri_schd_mode_cfg(struct hclge_dev * hdev,u8 pri_id)464 static int hclge_tm_pri_schd_mode_cfg(struct hclge_dev *hdev, u8 pri_id)
465 {
466 struct hclge_desc desc;
467
468 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_SCH_MODE_CFG, false);
469
470 if (hdev->tm_info.tc_info[pri_id].tc_sch_mode == HCLGE_SCH_MODE_DWRR)
471 desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
472 else
473 desc.data[1] = 0;
474
475 desc.data[0] = cpu_to_le32(pri_id);
476
477 return hclge_cmd_send(&hdev->hw, &desc, 1);
478 }
479
hclge_tm_qs_schd_mode_cfg(struct hclge_dev * hdev,u16 qs_id,u8 mode)480 static int hclge_tm_qs_schd_mode_cfg(struct hclge_dev *hdev, u16 qs_id, u8 mode)
481 {
482 struct hclge_desc desc;
483
484 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_SCH_MODE_CFG, false);
485
486 if (mode == HCLGE_SCH_MODE_DWRR)
487 desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
488 else
489 desc.data[1] = 0;
490
491 desc.data[0] = cpu_to_le32(qs_id);
492
493 return hclge_cmd_send(&hdev->hw, &desc, 1);
494 }
495
hclge_tm_qs_bp_cfg(struct hclge_dev * hdev,u8 tc,u8 grp_id,u32 bit_map)496 static int hclge_tm_qs_bp_cfg(struct hclge_dev *hdev, u8 tc, u8 grp_id,
497 u32 bit_map)
498 {
499 struct hclge_bp_to_qs_map_cmd *bp_to_qs_map_cmd;
500 struct hclge_desc desc;
501
502 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_BP_TO_QSET_MAPPING,
503 false);
504
505 bp_to_qs_map_cmd = (struct hclge_bp_to_qs_map_cmd *)desc.data;
506
507 bp_to_qs_map_cmd->tc_id = tc;
508 bp_to_qs_map_cmd->qs_group_id = grp_id;
509 bp_to_qs_map_cmd->qs_bit_map = cpu_to_le32(bit_map);
510
511 return hclge_cmd_send(&hdev->hw, &desc, 1);
512 }
513
hclge_tm_qs_shaper_cfg(struct hclge_vport * vport,int max_tx_rate)514 int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate)
515 {
516 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
517 struct hclge_qs_shapping_cmd *shap_cfg_cmd;
518 struct hclge_shaper_ir_para ir_para;
519 struct hclge_dev *hdev = vport->back;
520 struct hclge_desc desc;
521 u32 shaper_para;
522 int ret, i;
523
524 if (!max_tx_rate)
525 max_tx_rate = hdev->ae_dev->dev_specs.max_tm_rate;
526
527 ret = hclge_shaper_para_calc(max_tx_rate, HCLGE_SHAPER_LVL_QSET,
528 &ir_para,
529 hdev->ae_dev->dev_specs.max_tm_rate);
530 if (ret)
531 return ret;
532
533 shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
534 ir_para.ir_s,
535 HCLGE_SHAPER_BS_U_DEF,
536 HCLGE_SHAPER_BS_S_DEF);
537
538 for (i = 0; i < kinfo->num_tc; i++) {
539 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QCN_SHAPPING_CFG,
540 false);
541
542 shap_cfg_cmd = (struct hclge_qs_shapping_cmd *)desc.data;
543 shap_cfg_cmd->qs_id = cpu_to_le16(vport->qs_offset + i);
544 shap_cfg_cmd->qs_shapping_para = cpu_to_le32(shaper_para);
545
546 ret = hclge_cmd_send(&hdev->hw, &desc, 1);
547 if (ret) {
548 dev_err(&hdev->pdev->dev,
549 "vf%u, qs%u failed to set tx_rate:%d, ret=%d\n",
550 vport->vport_id, shap_cfg_cmd->qs_id,
551 max_tx_rate, ret);
552 return ret;
553 }
554 }
555
556 return 0;
557 }
558
hclge_tm_vport_tc_info_update(struct hclge_vport * vport)559 static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
560 {
561 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
562 struct hclge_dev *hdev = vport->back;
563 u16 max_rss_size;
564 u8 i;
565
566 /* TC configuration is shared by PF/VF in one port, only allow
567 * one tc for VF for simplicity. VF's vport_id is non zero.
568 */
569 kinfo->num_tc = vport->vport_id ? 1 :
570 min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc);
571 vport->qs_offset = (vport->vport_id ? HNAE3_MAX_TC : 0) +
572 (vport->vport_id ? (vport->vport_id - 1) : 0);
573
574 max_rss_size = min_t(u16, hdev->rss_size_max,
575 vport->alloc_tqps / kinfo->num_tc);
576
577 /* Set to user value, no larger than max_rss_size. */
578 if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
579 kinfo->req_rss_size <= max_rss_size) {
580 dev_info(&hdev->pdev->dev, "rss changes from %u to %u\n",
581 kinfo->rss_size, kinfo->req_rss_size);
582 kinfo->rss_size = kinfo->req_rss_size;
583 } else if (kinfo->rss_size > max_rss_size ||
584 (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) {
585 /* if user not set rss, the rss_size should compare with the
586 * valid msi numbers to ensure one to one map between tqp and
587 * irq as default.
588 */
589 if (!kinfo->req_rss_size)
590 max_rss_size = min_t(u16, max_rss_size,
591 (hdev->num_nic_msi - 1) /
592 kinfo->num_tc);
593
594 /* Set to the maximum specification value (max_rss_size). */
595 kinfo->rss_size = max_rss_size;
596 }
597
598 kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size;
599 vport->dwrr = 100; /* 100 percent as init */
600 vport->alloc_rss_size = kinfo->rss_size;
601 vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit;
602
603 for (i = 0; i < HNAE3_MAX_TC; i++) {
604 if (hdev->hw_tc_map & BIT(i) && i < kinfo->num_tc) {
605 kinfo->tc_info[i].enable = true;
606 kinfo->tc_info[i].tqp_offset = i * kinfo->rss_size;
607 kinfo->tc_info[i].tqp_count = kinfo->rss_size;
608 kinfo->tc_info[i].tc = i;
609 } else {
610 /* Set to default queue if TC is disable */
611 kinfo->tc_info[i].enable = false;
612 kinfo->tc_info[i].tqp_offset = 0;
613 kinfo->tc_info[i].tqp_count = 1;
614 kinfo->tc_info[i].tc = 0;
615 }
616 }
617
618 memcpy(kinfo->prio_tc, hdev->tm_info.prio_tc,
619 sizeof_field(struct hnae3_knic_private_info, prio_tc));
620 }
621
hclge_tm_vport_info_update(struct hclge_dev * hdev)622 static void hclge_tm_vport_info_update(struct hclge_dev *hdev)
623 {
624 struct hclge_vport *vport = hdev->vport;
625 u32 i;
626
627 for (i = 0; i < hdev->num_alloc_vport; i++) {
628 hclge_tm_vport_tc_info_update(vport);
629
630 vport++;
631 }
632 }
633
hclge_tm_tc_info_init(struct hclge_dev * hdev)634 static void hclge_tm_tc_info_init(struct hclge_dev *hdev)
635 {
636 u8 i;
637
638 for (i = 0; i < hdev->tm_info.num_tc; i++) {
639 hdev->tm_info.tc_info[i].tc_id = i;
640 hdev->tm_info.tc_info[i].tc_sch_mode = HCLGE_SCH_MODE_DWRR;
641 hdev->tm_info.tc_info[i].pgid = 0;
642 hdev->tm_info.tc_info[i].bw_limit =
643 hdev->tm_info.pg_info[0].bw_limit;
644 }
645
646 for (i = 0; i < HNAE3_MAX_USER_PRIO; i++)
647 hdev->tm_info.prio_tc[i] =
648 (i >= hdev->tm_info.num_tc) ? 0 : i;
649 }
650
hclge_tm_pg_info_init(struct hclge_dev * hdev)651 static void hclge_tm_pg_info_init(struct hclge_dev *hdev)
652 {
653 #define BW_PERCENT 100
654
655 u8 i;
656
657 for (i = 0; i < hdev->tm_info.num_pg; i++) {
658 int k;
659
660 hdev->tm_info.pg_dwrr[i] = i ? 0 : BW_PERCENT;
661
662 hdev->tm_info.pg_info[i].pg_id = i;
663 hdev->tm_info.pg_info[i].pg_sch_mode = HCLGE_SCH_MODE_DWRR;
664
665 hdev->tm_info.pg_info[i].bw_limit =
666 hdev->ae_dev->dev_specs.max_tm_rate;
667
668 if (i != 0)
669 continue;
670
671 hdev->tm_info.pg_info[i].tc_bit_map = hdev->hw_tc_map;
672 for (k = 0; k < hdev->tm_info.num_tc; k++)
673 hdev->tm_info.pg_info[i].tc_dwrr[k] = BW_PERCENT;
674 for (; k < HNAE3_MAX_TC; k++)
675 hdev->tm_info.pg_info[i].tc_dwrr[k] = 0;
676 }
677 }
678
hclge_update_fc_mode_by_dcb_flag(struct hclge_dev * hdev)679 static void hclge_update_fc_mode_by_dcb_flag(struct hclge_dev *hdev)
680 {
681 if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en) {
682 if (hdev->fc_mode_last_time == HCLGE_FC_PFC)
683 dev_warn(&hdev->pdev->dev,
684 "Only 1 tc used, but last mode is FC_PFC\n");
685
686 hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
687 } else if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
688 /* fc_mode_last_time record the last fc_mode when
689 * DCB is enabled, so that fc_mode can be set to
690 * the correct value when DCB is disabled.
691 */
692 hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
693 hdev->tm_info.fc_mode = HCLGE_FC_PFC;
694 }
695 }
696
hclge_update_fc_mode(struct hclge_dev * hdev)697 static void hclge_update_fc_mode(struct hclge_dev *hdev)
698 {
699 if (!hdev->tm_info.pfc_en) {
700 hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
701 return;
702 }
703
704 if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
705 hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
706 hdev->tm_info.fc_mode = HCLGE_FC_PFC;
707 }
708 }
709
hclge_tm_pfc_info_update(struct hclge_dev * hdev)710 void hclge_tm_pfc_info_update(struct hclge_dev *hdev)
711 {
712 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
713 hclge_update_fc_mode(hdev);
714 else
715 hclge_update_fc_mode_by_dcb_flag(hdev);
716 }
717
hclge_tm_schd_info_init(struct hclge_dev * hdev)718 static void hclge_tm_schd_info_init(struct hclge_dev *hdev)
719 {
720 hclge_tm_pg_info_init(hdev);
721
722 hclge_tm_tc_info_init(hdev);
723
724 hclge_tm_vport_info_update(hdev);
725
726 hclge_tm_pfc_info_update(hdev);
727 }
728
hclge_tm_pg_to_pri_map(struct hclge_dev * hdev)729 static int hclge_tm_pg_to_pri_map(struct hclge_dev *hdev)
730 {
731 int ret;
732 u32 i;
733
734 if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
735 return 0;
736
737 for (i = 0; i < hdev->tm_info.num_pg; i++) {
738 /* Cfg mapping */
739 ret = hclge_tm_pg_to_pri_map_cfg(
740 hdev, i, hdev->tm_info.pg_info[i].tc_bit_map);
741 if (ret)
742 return ret;
743 }
744
745 return 0;
746 }
747
hclge_tm_pg_shaper_cfg(struct hclge_dev * hdev)748 static int hclge_tm_pg_shaper_cfg(struct hclge_dev *hdev)
749 {
750 u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
751 struct hclge_shaper_ir_para ir_para;
752 u32 shaper_para;
753 int ret;
754 u32 i;
755
756 /* Cfg pg schd */
757 if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
758 return 0;
759
760 /* Pg to pri */
761 for (i = 0; i < hdev->tm_info.num_pg; i++) {
762 /* Calc shaper para */
763 ret = hclge_shaper_para_calc(hdev->tm_info.pg_info[i].bw_limit,
764 HCLGE_SHAPER_LVL_PG,
765 &ir_para, max_tm_rate);
766 if (ret)
767 return ret;
768
769 shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
770 HCLGE_SHAPER_BS_U_DEF,
771 HCLGE_SHAPER_BS_S_DEF);
772 ret = hclge_tm_pg_shapping_cfg(hdev,
773 HCLGE_TM_SHAP_C_BUCKET, i,
774 shaper_para);
775 if (ret)
776 return ret;
777
778 shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b,
779 ir_para.ir_u,
780 ir_para.ir_s,
781 HCLGE_SHAPER_BS_U_DEF,
782 HCLGE_SHAPER_BS_S_DEF);
783 ret = hclge_tm_pg_shapping_cfg(hdev,
784 HCLGE_TM_SHAP_P_BUCKET, i,
785 shaper_para);
786 if (ret)
787 return ret;
788 }
789
790 return 0;
791 }
792
hclge_tm_pg_dwrr_cfg(struct hclge_dev * hdev)793 static int hclge_tm_pg_dwrr_cfg(struct hclge_dev *hdev)
794 {
795 int ret;
796 u32 i;
797
798 /* cfg pg schd */
799 if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
800 return 0;
801
802 /* pg to prio */
803 for (i = 0; i < hdev->tm_info.num_pg; i++) {
804 /* Cfg dwrr */
805 ret = hclge_tm_pg_weight_cfg(hdev, i, hdev->tm_info.pg_dwrr[i]);
806 if (ret)
807 return ret;
808 }
809
810 return 0;
811 }
812
hclge_vport_q_to_qs_map(struct hclge_dev * hdev,struct hclge_vport * vport)813 static int hclge_vport_q_to_qs_map(struct hclge_dev *hdev,
814 struct hclge_vport *vport)
815 {
816 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
817 struct hnae3_queue **tqp = kinfo->tqp;
818 struct hnae3_tc_info *v_tc_info;
819 u32 i, j;
820 int ret;
821
822 for (i = 0; i < kinfo->num_tc; i++) {
823 v_tc_info = &kinfo->tc_info[i];
824 for (j = 0; j < v_tc_info->tqp_count; j++) {
825 struct hnae3_queue *q = tqp[v_tc_info->tqp_offset + j];
826
827 ret = hclge_tm_q_to_qs_map_cfg(hdev,
828 hclge_get_queue_id(q),
829 vport->qs_offset + i);
830 if (ret)
831 return ret;
832 }
833 }
834
835 return 0;
836 }
837
hclge_tm_pri_q_qs_cfg(struct hclge_dev * hdev)838 static int hclge_tm_pri_q_qs_cfg(struct hclge_dev *hdev)
839 {
840 struct hclge_vport *vport = hdev->vport;
841 int ret;
842 u32 i, k;
843
844 if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
845 /* Cfg qs -> pri mapping, one by one mapping */
846 for (k = 0; k < hdev->num_alloc_vport; k++) {
847 struct hnae3_knic_private_info *kinfo =
848 &vport[k].nic.kinfo;
849
850 for (i = 0; i < kinfo->num_tc; i++) {
851 ret = hclge_tm_qs_to_pri_map_cfg(
852 hdev, vport[k].qs_offset + i, i);
853 if (ret)
854 return ret;
855 }
856 }
857 } else if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE) {
858 /* Cfg qs -> pri mapping, qs = tc, pri = vf, 8 qs -> 1 pri */
859 for (k = 0; k < hdev->num_alloc_vport; k++)
860 for (i = 0; i < HNAE3_MAX_TC; i++) {
861 ret = hclge_tm_qs_to_pri_map_cfg(
862 hdev, vport[k].qs_offset + i, k);
863 if (ret)
864 return ret;
865 }
866 } else {
867 return -EINVAL;
868 }
869
870 /* Cfg q -> qs mapping */
871 for (i = 0; i < hdev->num_alloc_vport; i++) {
872 ret = hclge_vport_q_to_qs_map(hdev, vport);
873 if (ret)
874 return ret;
875
876 vport++;
877 }
878
879 return 0;
880 }
881
hclge_tm_pri_tc_base_shaper_cfg(struct hclge_dev * hdev)882 static int hclge_tm_pri_tc_base_shaper_cfg(struct hclge_dev *hdev)
883 {
884 u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
885 struct hclge_shaper_ir_para ir_para;
886 u32 shaper_para;
887 int ret;
888 u32 i;
889
890 for (i = 0; i < hdev->tm_info.num_tc; i++) {
891 ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit,
892 HCLGE_SHAPER_LVL_PRI,
893 &ir_para, max_tm_rate);
894 if (ret)
895 return ret;
896
897 shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
898 HCLGE_SHAPER_BS_U_DEF,
899 HCLGE_SHAPER_BS_S_DEF);
900 ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET, i,
901 shaper_para);
902 if (ret)
903 return ret;
904
905 shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b,
906 ir_para.ir_u,
907 ir_para.ir_s,
908 HCLGE_SHAPER_BS_U_DEF,
909 HCLGE_SHAPER_BS_S_DEF);
910 ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET, i,
911 shaper_para);
912 if (ret)
913 return ret;
914 }
915
916 return 0;
917 }
918
hclge_tm_pri_vnet_base_shaper_pri_cfg(struct hclge_vport * vport)919 static int hclge_tm_pri_vnet_base_shaper_pri_cfg(struct hclge_vport *vport)
920 {
921 struct hclge_dev *hdev = vport->back;
922 struct hclge_shaper_ir_para ir_para;
923 u32 shaper_para;
924 int ret;
925
926 ret = hclge_shaper_para_calc(vport->bw_limit, HCLGE_SHAPER_LVL_VF,
927 &ir_para,
928 hdev->ae_dev->dev_specs.max_tm_rate);
929 if (ret)
930 return ret;
931
932 shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
933 HCLGE_SHAPER_BS_U_DEF,
934 HCLGE_SHAPER_BS_S_DEF);
935 ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET,
936 vport->vport_id, shaper_para);
937 if (ret)
938 return ret;
939
940 shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
941 ir_para.ir_s,
942 HCLGE_SHAPER_BS_U_DEF,
943 HCLGE_SHAPER_BS_S_DEF);
944 ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET,
945 vport->vport_id, shaper_para);
946 if (ret)
947 return ret;
948
949 return 0;
950 }
951
hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport * vport)952 static int hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport *vport)
953 {
954 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
955 struct hclge_dev *hdev = vport->back;
956 u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
957 struct hclge_shaper_ir_para ir_para;
958 u32 i;
959 int ret;
960
961 for (i = 0; i < kinfo->num_tc; i++) {
962 ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit,
963 HCLGE_SHAPER_LVL_QSET,
964 &ir_para, max_tm_rate);
965 if (ret)
966 return ret;
967 }
968
969 return 0;
970 }
971
hclge_tm_pri_vnet_base_shaper_cfg(struct hclge_dev * hdev)972 static int hclge_tm_pri_vnet_base_shaper_cfg(struct hclge_dev *hdev)
973 {
974 struct hclge_vport *vport = hdev->vport;
975 int ret;
976 u32 i;
977
978 /* Need config vport shaper */
979 for (i = 0; i < hdev->num_alloc_vport; i++) {
980 ret = hclge_tm_pri_vnet_base_shaper_pri_cfg(vport);
981 if (ret)
982 return ret;
983
984 ret = hclge_tm_pri_vnet_base_shaper_qs_cfg(vport);
985 if (ret)
986 return ret;
987
988 vport++;
989 }
990
991 return 0;
992 }
993
hclge_tm_pri_shaper_cfg(struct hclge_dev * hdev)994 static int hclge_tm_pri_shaper_cfg(struct hclge_dev *hdev)
995 {
996 int ret;
997
998 if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
999 ret = hclge_tm_pri_tc_base_shaper_cfg(hdev);
1000 if (ret)
1001 return ret;
1002 } else {
1003 ret = hclge_tm_pri_vnet_base_shaper_cfg(hdev);
1004 if (ret)
1005 return ret;
1006 }
1007
1008 return 0;
1009 }
1010
hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev * hdev)1011 static int hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev *hdev)
1012 {
1013 struct hclge_vport *vport = hdev->vport;
1014 struct hclge_pg_info *pg_info;
1015 u8 dwrr;
1016 int ret;
1017 u32 i, k;
1018
1019 for (i = 0; i < hdev->tm_info.num_tc; i++) {
1020 pg_info =
1021 &hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
1022 dwrr = pg_info->tc_dwrr[i];
1023
1024 ret = hclge_tm_pri_weight_cfg(hdev, i, dwrr);
1025 if (ret)
1026 return ret;
1027
1028 for (k = 0; k < hdev->num_alloc_vport; k++) {
1029 ret = hclge_tm_qs_weight_cfg(
1030 hdev, vport[k].qs_offset + i,
1031 vport[k].dwrr);
1032 if (ret)
1033 return ret;
1034 }
1035 }
1036
1037 return 0;
1038 }
1039
hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev * hdev)1040 static int hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev *hdev)
1041 {
1042 #define DEFAULT_TC_OFFSET 14
1043
1044 struct hclge_ets_tc_weight_cmd *ets_weight;
1045 struct hclge_desc desc;
1046 unsigned int i;
1047
1048 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, false);
1049 ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
1050
1051 for (i = 0; i < HNAE3_MAX_TC; i++) {
1052 struct hclge_pg_info *pg_info;
1053
1054 pg_info = &hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
1055 ets_weight->tc_weight[i] = pg_info->tc_dwrr[i];
1056 }
1057
1058 ets_weight->weight_offset = DEFAULT_TC_OFFSET;
1059
1060 return hclge_cmd_send(&hdev->hw, &desc, 1);
1061 }
1062
hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport * vport)1063 static int hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport *vport)
1064 {
1065 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1066 struct hclge_dev *hdev = vport->back;
1067 int ret;
1068 u8 i;
1069
1070 /* Vf dwrr */
1071 ret = hclge_tm_pri_weight_cfg(hdev, vport->vport_id, vport->dwrr);
1072 if (ret)
1073 return ret;
1074
1075 /* Qset dwrr */
1076 for (i = 0; i < kinfo->num_tc; i++) {
1077 ret = hclge_tm_qs_weight_cfg(
1078 hdev, vport->qs_offset + i,
1079 hdev->tm_info.pg_info[0].tc_dwrr[i]);
1080 if (ret)
1081 return ret;
1082 }
1083
1084 return 0;
1085 }
1086
hclge_tm_pri_vnet_base_dwrr_cfg(struct hclge_dev * hdev)1087 static int hclge_tm_pri_vnet_base_dwrr_cfg(struct hclge_dev *hdev)
1088 {
1089 struct hclge_vport *vport = hdev->vport;
1090 int ret;
1091 u32 i;
1092
1093 for (i = 0; i < hdev->num_alloc_vport; i++) {
1094 ret = hclge_tm_pri_vnet_base_dwrr_pri_cfg(vport);
1095 if (ret)
1096 return ret;
1097
1098 vport++;
1099 }
1100
1101 return 0;
1102 }
1103
hclge_tm_pri_dwrr_cfg(struct hclge_dev * hdev)1104 static int hclge_tm_pri_dwrr_cfg(struct hclge_dev *hdev)
1105 {
1106 int ret;
1107
1108 if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
1109 ret = hclge_tm_pri_tc_base_dwrr_cfg(hdev);
1110 if (ret)
1111 return ret;
1112
1113 if (!hnae3_dev_dcb_supported(hdev))
1114 return 0;
1115
1116 ret = hclge_tm_ets_tc_dwrr_cfg(hdev);
1117 if (ret == -EOPNOTSUPP) {
1118 dev_warn(&hdev->pdev->dev,
1119 "fw %08x does't support ets tc weight cmd\n",
1120 hdev->fw_version);
1121 ret = 0;
1122 }
1123
1124 return ret;
1125 } else {
1126 ret = hclge_tm_pri_vnet_base_dwrr_cfg(hdev);
1127 if (ret)
1128 return ret;
1129 }
1130
1131 return 0;
1132 }
1133
hclge_tm_map_cfg(struct hclge_dev * hdev)1134 static int hclge_tm_map_cfg(struct hclge_dev *hdev)
1135 {
1136 int ret;
1137
1138 ret = hclge_up_to_tc_map(hdev);
1139 if (ret)
1140 return ret;
1141
1142 ret = hclge_tm_pg_to_pri_map(hdev);
1143 if (ret)
1144 return ret;
1145
1146 return hclge_tm_pri_q_qs_cfg(hdev);
1147 }
1148
hclge_tm_shaper_cfg(struct hclge_dev * hdev)1149 static int hclge_tm_shaper_cfg(struct hclge_dev *hdev)
1150 {
1151 int ret;
1152
1153 ret = hclge_tm_port_shaper_cfg(hdev);
1154 if (ret)
1155 return ret;
1156
1157 ret = hclge_tm_pg_shaper_cfg(hdev);
1158 if (ret)
1159 return ret;
1160
1161 return hclge_tm_pri_shaper_cfg(hdev);
1162 }
1163
hclge_tm_dwrr_cfg(struct hclge_dev * hdev)1164 int hclge_tm_dwrr_cfg(struct hclge_dev *hdev)
1165 {
1166 int ret;
1167
1168 ret = hclge_tm_pg_dwrr_cfg(hdev);
1169 if (ret)
1170 return ret;
1171
1172 return hclge_tm_pri_dwrr_cfg(hdev);
1173 }
1174
hclge_tm_lvl2_schd_mode_cfg(struct hclge_dev * hdev)1175 static int hclge_tm_lvl2_schd_mode_cfg(struct hclge_dev *hdev)
1176 {
1177 int ret;
1178 u8 i;
1179
1180 /* Only being config on TC-Based scheduler mode */
1181 if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE)
1182 return 0;
1183
1184 for (i = 0; i < hdev->tm_info.num_pg; i++) {
1185 ret = hclge_tm_pg_schd_mode_cfg(hdev, i);
1186 if (ret)
1187 return ret;
1188 }
1189
1190 return 0;
1191 }
1192
hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport * vport)1193 static int hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport *vport)
1194 {
1195 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1196 struct hclge_dev *hdev = vport->back;
1197 int ret;
1198 u8 i;
1199
1200 if (vport->vport_id >= HNAE3_MAX_TC)
1201 return -EINVAL;
1202
1203 ret = hclge_tm_pri_schd_mode_cfg(hdev, vport->vport_id);
1204 if (ret)
1205 return ret;
1206
1207 for (i = 0; i < kinfo->num_tc; i++) {
1208 u8 sch_mode = hdev->tm_info.tc_info[i].tc_sch_mode;
1209
1210 ret = hclge_tm_qs_schd_mode_cfg(hdev, vport->qs_offset + i,
1211 sch_mode);
1212 if (ret)
1213 return ret;
1214 }
1215
1216 return 0;
1217 }
1218
hclge_tm_lvl34_schd_mode_cfg(struct hclge_dev * hdev)1219 static int hclge_tm_lvl34_schd_mode_cfg(struct hclge_dev *hdev)
1220 {
1221 struct hclge_vport *vport = hdev->vport;
1222 int ret;
1223 u8 i, k;
1224
1225 if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
1226 for (i = 0; i < hdev->tm_info.num_tc; i++) {
1227 ret = hclge_tm_pri_schd_mode_cfg(hdev, i);
1228 if (ret)
1229 return ret;
1230
1231 for (k = 0; k < hdev->num_alloc_vport; k++) {
1232 ret = hclge_tm_qs_schd_mode_cfg(
1233 hdev, vport[k].qs_offset + i,
1234 HCLGE_SCH_MODE_DWRR);
1235 if (ret)
1236 return ret;
1237 }
1238 }
1239 } else {
1240 for (i = 0; i < hdev->num_alloc_vport; i++) {
1241 ret = hclge_tm_schd_mode_vnet_base_cfg(vport);
1242 if (ret)
1243 return ret;
1244
1245 vport++;
1246 }
1247 }
1248
1249 return 0;
1250 }
1251
hclge_tm_schd_mode_hw(struct hclge_dev * hdev)1252 static int hclge_tm_schd_mode_hw(struct hclge_dev *hdev)
1253 {
1254 int ret;
1255
1256 ret = hclge_tm_lvl2_schd_mode_cfg(hdev);
1257 if (ret)
1258 return ret;
1259
1260 return hclge_tm_lvl34_schd_mode_cfg(hdev);
1261 }
1262
hclge_tm_schd_setup_hw(struct hclge_dev * hdev)1263 int hclge_tm_schd_setup_hw(struct hclge_dev *hdev)
1264 {
1265 int ret;
1266
1267 /* Cfg tm mapping */
1268 ret = hclge_tm_map_cfg(hdev);
1269 if (ret)
1270 return ret;
1271
1272 /* Cfg tm shaper */
1273 ret = hclge_tm_shaper_cfg(hdev);
1274 if (ret)
1275 return ret;
1276
1277 /* Cfg dwrr */
1278 ret = hclge_tm_dwrr_cfg(hdev);
1279 if (ret)
1280 return ret;
1281
1282 /* Cfg schd mode for each level schd */
1283 return hclge_tm_schd_mode_hw(hdev);
1284 }
1285
hclge_pause_param_setup_hw(struct hclge_dev * hdev)1286 static int hclge_pause_param_setup_hw(struct hclge_dev *hdev)
1287 {
1288 struct hclge_mac *mac = &hdev->hw.mac;
1289
1290 return hclge_pause_param_cfg(hdev, mac->mac_addr,
1291 HCLGE_DEFAULT_PAUSE_TRANS_GAP,
1292 HCLGE_DEFAULT_PAUSE_TRANS_TIME);
1293 }
1294
hclge_pfc_setup_hw(struct hclge_dev * hdev)1295 static int hclge_pfc_setup_hw(struct hclge_dev *hdev)
1296 {
1297 u8 enable_bitmap = 0;
1298
1299 if (hdev->tm_info.fc_mode == HCLGE_FC_PFC)
1300 enable_bitmap = HCLGE_TX_MAC_PAUSE_EN_MSK |
1301 HCLGE_RX_MAC_PAUSE_EN_MSK;
1302
1303 return hclge_pfc_pause_en_cfg(hdev, enable_bitmap,
1304 hdev->tm_info.pfc_en);
1305 }
1306
1307 /* Each Tc has a 1024 queue sets to backpress, it divides to
1308 * 32 group, each group contains 32 queue sets, which can be
1309 * represented by u32 bitmap.
1310 */
hclge_bp_setup_hw(struct hclge_dev * hdev,u8 tc)1311 static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 tc)
1312 {
1313 int i;
1314
1315 for (i = 0; i < HCLGE_BP_GRP_NUM; i++) {
1316 u32 qs_bitmap = 0;
1317 int k, ret;
1318
1319 for (k = 0; k < hdev->num_alloc_vport; k++) {
1320 struct hclge_vport *vport = &hdev->vport[k];
1321 u16 qs_id = vport->qs_offset + tc;
1322 u8 grp, sub_grp;
1323
1324 grp = hnae3_get_field(qs_id, HCLGE_BP_GRP_ID_M,
1325 HCLGE_BP_GRP_ID_S);
1326 sub_grp = hnae3_get_field(qs_id, HCLGE_BP_SUB_GRP_ID_M,
1327 HCLGE_BP_SUB_GRP_ID_S);
1328 if (i == grp)
1329 qs_bitmap |= (1 << sub_grp);
1330 }
1331
1332 ret = hclge_tm_qs_bp_cfg(hdev, tc, i, qs_bitmap);
1333 if (ret)
1334 return ret;
1335 }
1336
1337 return 0;
1338 }
1339
hclge_mac_pause_setup_hw(struct hclge_dev * hdev)1340 static int hclge_mac_pause_setup_hw(struct hclge_dev *hdev)
1341 {
1342 bool tx_en, rx_en;
1343
1344 switch (hdev->tm_info.fc_mode) {
1345 case HCLGE_FC_NONE:
1346 tx_en = false;
1347 rx_en = false;
1348 break;
1349 case HCLGE_FC_RX_PAUSE:
1350 tx_en = false;
1351 rx_en = true;
1352 break;
1353 case HCLGE_FC_TX_PAUSE:
1354 tx_en = true;
1355 rx_en = false;
1356 break;
1357 case HCLGE_FC_FULL:
1358 tx_en = true;
1359 rx_en = true;
1360 break;
1361 case HCLGE_FC_PFC:
1362 tx_en = false;
1363 rx_en = false;
1364 break;
1365 default:
1366 tx_en = true;
1367 rx_en = true;
1368 }
1369
1370 return hclge_mac_pause_en_cfg(hdev, tx_en, rx_en);
1371 }
1372
hclge_tm_bp_setup(struct hclge_dev * hdev)1373 static int hclge_tm_bp_setup(struct hclge_dev *hdev)
1374 {
1375 int ret;
1376 int i;
1377
1378 for (i = 0; i < hdev->tm_info.num_tc; i++) {
1379 ret = hclge_bp_setup_hw(hdev, i);
1380 if (ret)
1381 return ret;
1382 }
1383
1384 return 0;
1385 }
1386
hclge_pause_setup_hw(struct hclge_dev * hdev,bool init)1387 int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init)
1388 {
1389 int ret;
1390
1391 ret = hclge_pause_param_setup_hw(hdev);
1392 if (ret)
1393 return ret;
1394
1395 ret = hclge_mac_pause_setup_hw(hdev);
1396 if (ret)
1397 return ret;
1398
1399 /* Only DCB-supported dev supports qset back pressure and pfc cmd */
1400 if (!hnae3_dev_dcb_supported(hdev))
1401 return 0;
1402
1403 /* GE MAC does not support PFC, when driver is initializing and MAC
1404 * is in GE Mode, ignore the error here, otherwise initialization
1405 * will fail.
1406 */
1407 ret = hclge_pfc_setup_hw(hdev);
1408 if (init && ret == -EOPNOTSUPP)
1409 dev_warn(&hdev->pdev->dev, "GE MAC does not support pfc\n");
1410 else if (ret) {
1411 dev_err(&hdev->pdev->dev, "config pfc failed! ret = %d\n",
1412 ret);
1413 return ret;
1414 }
1415
1416 return hclge_tm_bp_setup(hdev);
1417 }
1418
hclge_tm_prio_tc_info_update(struct hclge_dev * hdev,u8 * prio_tc)1419 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc)
1420 {
1421 struct hclge_vport *vport = hdev->vport;
1422 struct hnae3_knic_private_info *kinfo;
1423 u32 i, k;
1424
1425 for (i = 0; i < HNAE3_MAX_USER_PRIO; i++) {
1426 hdev->tm_info.prio_tc[i] = prio_tc[i];
1427
1428 for (k = 0; k < hdev->num_alloc_vport; k++) {
1429 kinfo = &vport[k].nic.kinfo;
1430 kinfo->prio_tc[i] = prio_tc[i];
1431 }
1432 }
1433 }
1434
hclge_tm_schd_info_update(struct hclge_dev * hdev,u8 num_tc)1435 void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc)
1436 {
1437 u8 bit_map = 0;
1438 u8 i;
1439
1440 hdev->tm_info.num_tc = num_tc;
1441
1442 for (i = 0; i < hdev->tm_info.num_tc; i++)
1443 bit_map |= BIT(i);
1444
1445 if (!bit_map) {
1446 bit_map = 1;
1447 hdev->tm_info.num_tc = 1;
1448 }
1449
1450 hdev->hw_tc_map = bit_map;
1451
1452 hclge_tm_schd_info_init(hdev);
1453 }
1454
hclge_tm_init_hw(struct hclge_dev * hdev,bool init)1455 int hclge_tm_init_hw(struct hclge_dev *hdev, bool init)
1456 {
1457 int ret;
1458
1459 if ((hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE) &&
1460 (hdev->tx_sch_mode != HCLGE_FLAG_VNET_BASE_SCH_MODE))
1461 return -ENOTSUPP;
1462
1463 ret = hclge_tm_schd_setup_hw(hdev);
1464 if (ret)
1465 return ret;
1466
1467 ret = hclge_pause_setup_hw(hdev, init);
1468 if (ret)
1469 return ret;
1470
1471 return 0;
1472 }
1473
hclge_tm_schd_init(struct hclge_dev * hdev)1474 int hclge_tm_schd_init(struct hclge_dev *hdev)
1475 {
1476 /* fc_mode is HCLGE_FC_FULL on reset */
1477 hdev->tm_info.fc_mode = HCLGE_FC_FULL;
1478 hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
1479
1480 if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE &&
1481 hdev->tm_info.num_pg != 1)
1482 return -EINVAL;
1483
1484 hclge_tm_schd_info_init(hdev);
1485
1486 return hclge_tm_init_hw(hdev, true);
1487 }
1488
hclge_tm_vport_map_update(struct hclge_dev * hdev)1489 int hclge_tm_vport_map_update(struct hclge_dev *hdev)
1490 {
1491 struct hclge_vport *vport = hdev->vport;
1492 int ret;
1493
1494 hclge_tm_vport_tc_info_update(vport);
1495
1496 ret = hclge_vport_q_to_qs_map(hdev, vport);
1497 if (ret)
1498 return ret;
1499
1500 if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en)
1501 return 0;
1502
1503 return hclge_tm_bp_setup(hdev);
1504 }
1505