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 DEFAULT_SHAPER_IR_B	126
45 #define DIVISOR_CLK		(1000 * 8)
46 #define DEFAULT_DIVISOR_IR_B	(DEFAULT_SHAPER_IR_B * DIVISOR_CLK)
47 
48 	static const u16 tick_array[HCLGE_SHAPER_LVL_CNT] = {
49 		6 * 256,        /* Prioriy level */
50 		6 * 32,         /* Prioriy group level */
51 		6 * 8,          /* Port level */
52 		6 * 256         /* Qset level */
53 	};
54 	u8 ir_u_calc = 0;
55 	u8 ir_s_calc = 0;
56 	u32 ir_calc;
57 	u32 tick;
58 
59 	/* Calc tick */
60 	if (shaper_level >= HCLGE_SHAPER_LVL_CNT ||
61 	    ir > max_tm_rate)
62 		return -EINVAL;
63 
64 	tick = tick_array[shaper_level];
65 
66 	/**
67 	 * Calc the speed if ir_b = 126, ir_u = 0 and ir_s = 0
68 	 * the formula is changed to:
69 	 *		126 * 1 * 8
70 	 * ir_calc = ---------------- * 1000
71 	 *		tick * 1
72 	 */
73 	ir_calc = (DEFAULT_DIVISOR_IR_B + (tick >> 1) - 1) / tick;
74 
75 	if (ir_calc == ir) {
76 		ir_para->ir_b = DEFAULT_SHAPER_IR_B;
77 		ir_para->ir_u = 0;
78 		ir_para->ir_s = 0;
79 
80 		return 0;
81 	} else if (ir_calc > ir) {
82 		/* Increasing the denominator to select ir_s value */
83 		while (ir_calc >= ir && ir) {
84 			ir_s_calc++;
85 			ir_calc = DEFAULT_DIVISOR_IR_B /
86 				  (tick * (1 << ir_s_calc));
87 		}
88 
89 		ir_para->ir_b = (ir * tick * (1 << ir_s_calc) +
90 				(DIVISOR_CLK >> 1)) / DIVISOR_CLK;
91 	} else {
92 		/* Increasing the numerator to select ir_u value */
93 		u32 numerator;
94 
95 		while (ir_calc < ir) {
96 			ir_u_calc++;
97 			numerator = DEFAULT_DIVISOR_IR_B * (1 << ir_u_calc);
98 			ir_calc = (numerator + (tick >> 1)) / tick;
99 		}
100 
101 		if (ir_calc == ir) {
102 			ir_para->ir_b = DEFAULT_SHAPER_IR_B;
103 		} else {
104 			u32 denominator = DIVISOR_CLK * (1 << --ir_u_calc);
105 			ir_para->ir_b = (ir * tick + (denominator >> 1)) /
106 					denominator;
107 		}
108 	}
109 
110 	ir_para->ir_u = ir_u_calc;
111 	ir_para->ir_s = ir_s_calc;
112 
113 	return 0;
114 }
115 
hclge_pfc_stats_get(struct hclge_dev * hdev,enum hclge_opcode_type opcode,u64 * stats)116 static int hclge_pfc_stats_get(struct hclge_dev *hdev,
117 			       enum hclge_opcode_type opcode, u64 *stats)
118 {
119 	struct hclge_desc desc[HCLGE_TM_PFC_PKT_GET_CMD_NUM];
120 	int ret, i, j;
121 
122 	if (!(opcode == HCLGE_OPC_QUERY_PFC_RX_PKT_CNT ||
123 	      opcode == HCLGE_OPC_QUERY_PFC_TX_PKT_CNT))
124 		return -EINVAL;
125 
126 	for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM - 1; i++) {
127 		hclge_cmd_setup_basic_desc(&desc[i], opcode, true);
128 		desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
129 	}
130 
131 	hclge_cmd_setup_basic_desc(&desc[i], opcode, true);
132 
133 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_TM_PFC_PKT_GET_CMD_NUM);
134 	if (ret)
135 		return ret;
136 
137 	for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM; i++) {
138 		struct hclge_pfc_stats_cmd *pfc_stats =
139 				(struct hclge_pfc_stats_cmd *)desc[i].data;
140 
141 		for (j = 0; j < HCLGE_TM_PFC_NUM_GET_PER_CMD; j++) {
142 			u32 index = i * HCLGE_TM_PFC_PKT_GET_CMD_NUM + j;
143 
144 			if (index < HCLGE_MAX_TC_NUM)
145 				stats[index] =
146 					le64_to_cpu(pfc_stats->pkt_num[j]);
147 		}
148 	}
149 	return 0;
150 }
151 
hclge_pfc_rx_stats_get(struct hclge_dev * hdev,u64 * stats)152 int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats)
153 {
154 	return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_RX_PKT_CNT, stats);
155 }
156 
hclge_pfc_tx_stats_get(struct hclge_dev * hdev,u64 * stats)157 int hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats)
158 {
159 	return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_TX_PKT_CNT, stats);
160 }
161 
hclge_mac_pause_en_cfg(struct hclge_dev * hdev,bool tx,bool rx)162 int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx)
163 {
164 	struct hclge_desc desc;
165 
166 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PAUSE_EN, false);
167 
168 	desc.data[0] = cpu_to_le32((tx ? HCLGE_TX_MAC_PAUSE_EN_MSK : 0) |
169 		(rx ? HCLGE_RX_MAC_PAUSE_EN_MSK : 0));
170 
171 	return hclge_cmd_send(&hdev->hw, &desc, 1);
172 }
173 
hclge_pfc_pause_en_cfg(struct hclge_dev * hdev,u8 tx_rx_bitmap,u8 pfc_bitmap)174 static int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
175 				  u8 pfc_bitmap)
176 {
177 	struct hclge_desc desc;
178 	struct hclge_pfc_en_cmd *pfc = (struct hclge_pfc_en_cmd *)desc.data;
179 
180 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PFC_PAUSE_EN, false);
181 
182 	pfc->tx_rx_en_bitmap = tx_rx_bitmap;
183 	pfc->pri_en_bitmap = pfc_bitmap;
184 
185 	return hclge_cmd_send(&hdev->hw, &desc, 1);
186 }
187 
hclge_pause_param_cfg(struct hclge_dev * hdev,const u8 * addr,u8 pause_trans_gap,u16 pause_trans_time)188 static int hclge_pause_param_cfg(struct hclge_dev *hdev, const u8 *addr,
189 				 u8 pause_trans_gap, u16 pause_trans_time)
190 {
191 	struct hclge_cfg_pause_param_cmd *pause_param;
192 	struct hclge_desc desc;
193 
194 	pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
195 
196 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, false);
197 
198 	ether_addr_copy(pause_param->mac_addr, addr);
199 	ether_addr_copy(pause_param->mac_addr_extra, addr);
200 	pause_param->pause_trans_gap = pause_trans_gap;
201 	pause_param->pause_trans_time = cpu_to_le16(pause_trans_time);
202 
203 	return hclge_cmd_send(&hdev->hw, &desc, 1);
204 }
205 
hclge_pause_addr_cfg(struct hclge_dev * hdev,const u8 * mac_addr)206 int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr)
207 {
208 	struct hclge_cfg_pause_param_cmd *pause_param;
209 	struct hclge_desc desc;
210 	u16 trans_time;
211 	u8 trans_gap;
212 	int ret;
213 
214 	pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
215 
216 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, true);
217 
218 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
219 	if (ret)
220 		return ret;
221 
222 	trans_gap = pause_param->pause_trans_gap;
223 	trans_time = le16_to_cpu(pause_param->pause_trans_time);
224 
225 	return hclge_pause_param_cfg(hdev, mac_addr, trans_gap, trans_time);
226 }
227 
hclge_fill_pri_array(struct hclge_dev * hdev,u8 * pri,u8 pri_id)228 static int hclge_fill_pri_array(struct hclge_dev *hdev, u8 *pri, u8 pri_id)
229 {
230 	u8 tc;
231 
232 	tc = hdev->tm_info.prio_tc[pri_id];
233 
234 	if (tc >= hdev->tm_info.num_tc)
235 		return -EINVAL;
236 
237 	/**
238 	 * the register for priority has four bytes, the first bytes includes
239 	 *  priority0 and priority1, the higher 4bit stands for priority1
240 	 *  while the lower 4bit stands for priority0, as below:
241 	 * first byte:	| pri_1 | pri_0 |
242 	 * second byte:	| pri_3 | pri_2 |
243 	 * third byte:	| pri_5 | pri_4 |
244 	 * fourth byte:	| pri_7 | pri_6 |
245 	 */
246 	pri[pri_id >> 1] |= tc << ((pri_id & 1) * 4);
247 
248 	return 0;
249 }
250 
hclge_up_to_tc_map(struct hclge_dev * hdev)251 static int hclge_up_to_tc_map(struct hclge_dev *hdev)
252 {
253 	struct hclge_desc desc;
254 	u8 *pri = (u8 *)desc.data;
255 	u8 pri_id;
256 	int ret;
257 
258 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PRI_TO_TC_MAPPING, false);
259 
260 	for (pri_id = 0; pri_id < HNAE3_MAX_USER_PRIO; pri_id++) {
261 		ret = hclge_fill_pri_array(hdev, pri, pri_id);
262 		if (ret)
263 			return ret;
264 	}
265 
266 	return hclge_cmd_send(&hdev->hw, &desc, 1);
267 }
268 
hclge_tm_pg_to_pri_map_cfg(struct hclge_dev * hdev,u8 pg_id,u8 pri_bit_map)269 static int hclge_tm_pg_to_pri_map_cfg(struct hclge_dev *hdev,
270 				      u8 pg_id, u8 pri_bit_map)
271 {
272 	struct hclge_pg_to_pri_link_cmd *map;
273 	struct hclge_desc desc;
274 
275 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_TO_PRI_LINK, false);
276 
277 	map = (struct hclge_pg_to_pri_link_cmd *)desc.data;
278 
279 	map->pg_id = pg_id;
280 	map->pri_bit_map = pri_bit_map;
281 
282 	return hclge_cmd_send(&hdev->hw, &desc, 1);
283 }
284 
hclge_tm_qs_to_pri_map_cfg(struct hclge_dev * hdev,u16 qs_id,u8 pri)285 static int hclge_tm_qs_to_pri_map_cfg(struct hclge_dev *hdev,
286 				      u16 qs_id, u8 pri)
287 {
288 	struct hclge_qs_to_pri_link_cmd *map;
289 	struct hclge_desc desc;
290 
291 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_TO_PRI_LINK, false);
292 
293 	map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
294 
295 	map->qs_id = cpu_to_le16(qs_id);
296 	map->priority = pri;
297 	map->link_vld = HCLGE_TM_QS_PRI_LINK_VLD_MSK;
298 
299 	return hclge_cmd_send(&hdev->hw, &desc, 1);
300 }
301 
hclge_tm_q_to_qs_map_cfg(struct hclge_dev * hdev,u16 q_id,u16 qs_id)302 static int hclge_tm_q_to_qs_map_cfg(struct hclge_dev *hdev,
303 				    u16 q_id, u16 qs_id)
304 {
305 	struct hclge_nq_to_qs_link_cmd *map;
306 	struct hclge_desc desc;
307 	u16 qs_id_l;
308 	u16 qs_id_h;
309 
310 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NQ_TO_QS_LINK, false);
311 
312 	map = (struct hclge_nq_to_qs_link_cmd *)desc.data;
313 
314 	map->nq_id = cpu_to_le16(q_id);
315 
316 	/* convert qs_id to the following format to support qset_id >= 1024
317 	 * qs_id: | 15 | 14 ~ 10 |  9 ~ 0   |
318 	 *            /         / \         \
319 	 *           /         /   \         \
320 	 * qset_id: | 15 ~ 11 |  10 |  9 ~ 0  |
321 	 *          | qs_id_h | vld | qs_id_l |
322 	 */
323 	qs_id_l = hnae3_get_field(qs_id, HCLGE_TM_QS_ID_L_MSK,
324 				  HCLGE_TM_QS_ID_L_S);
325 	qs_id_h = hnae3_get_field(qs_id, HCLGE_TM_QS_ID_H_MSK,
326 				  HCLGE_TM_QS_ID_H_S);
327 	hnae3_set_field(qs_id, HCLGE_TM_QS_ID_L_MSK, HCLGE_TM_QS_ID_L_S,
328 			qs_id_l);
329 	hnae3_set_field(qs_id, HCLGE_TM_QS_ID_H_EXT_MSK, HCLGE_TM_QS_ID_H_EXT_S,
330 			qs_id_h);
331 	map->qset_id = cpu_to_le16(qs_id | HCLGE_TM_Q_QS_LINK_VLD_MSK);
332 
333 	return hclge_cmd_send(&hdev->hw, &desc, 1);
334 }
335 
hclge_tm_pg_weight_cfg(struct hclge_dev * hdev,u8 pg_id,u8 dwrr)336 static int hclge_tm_pg_weight_cfg(struct hclge_dev *hdev, u8 pg_id,
337 				  u8 dwrr)
338 {
339 	struct hclge_pg_weight_cmd *weight;
340 	struct hclge_desc desc;
341 
342 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_WEIGHT, false);
343 
344 	weight = (struct hclge_pg_weight_cmd *)desc.data;
345 
346 	weight->pg_id = pg_id;
347 	weight->dwrr = dwrr;
348 
349 	return hclge_cmd_send(&hdev->hw, &desc, 1);
350 }
351 
hclge_tm_pri_weight_cfg(struct hclge_dev * hdev,u8 pri_id,u8 dwrr)352 static int hclge_tm_pri_weight_cfg(struct hclge_dev *hdev, u8 pri_id,
353 				   u8 dwrr)
354 {
355 	struct hclge_priority_weight_cmd *weight;
356 	struct hclge_desc desc;
357 
358 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_WEIGHT, false);
359 
360 	weight = (struct hclge_priority_weight_cmd *)desc.data;
361 
362 	weight->pri_id = pri_id;
363 	weight->dwrr = dwrr;
364 
365 	return hclge_cmd_send(&hdev->hw, &desc, 1);
366 }
367 
hclge_tm_qs_weight_cfg(struct hclge_dev * hdev,u16 qs_id,u8 dwrr)368 static int hclge_tm_qs_weight_cfg(struct hclge_dev *hdev, u16 qs_id,
369 				  u8 dwrr)
370 {
371 	struct hclge_qs_weight_cmd *weight;
372 	struct hclge_desc desc;
373 
374 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_WEIGHT, false);
375 
376 	weight = (struct hclge_qs_weight_cmd *)desc.data;
377 
378 	weight->qs_id = cpu_to_le16(qs_id);
379 	weight->dwrr = dwrr;
380 
381 	return hclge_cmd_send(&hdev->hw, &desc, 1);
382 }
383 
hclge_tm_get_shapping_para(u8 ir_b,u8 ir_u,u8 ir_s,u8 bs_b,u8 bs_s)384 static u32 hclge_tm_get_shapping_para(u8 ir_b, u8 ir_u, u8 ir_s,
385 				      u8 bs_b, u8 bs_s)
386 {
387 	u32 shapping_para = 0;
388 
389 	hclge_tm_set_field(shapping_para, IR_B, ir_b);
390 	hclge_tm_set_field(shapping_para, IR_U, ir_u);
391 	hclge_tm_set_field(shapping_para, IR_S, ir_s);
392 	hclge_tm_set_field(shapping_para, BS_B, bs_b);
393 	hclge_tm_set_field(shapping_para, BS_S, bs_s);
394 
395 	return shapping_para;
396 }
397 
hclge_tm_pg_shapping_cfg(struct hclge_dev * hdev,enum hclge_shap_bucket bucket,u8 pg_id,u32 shapping_para,u32 rate)398 static int hclge_tm_pg_shapping_cfg(struct hclge_dev *hdev,
399 				    enum hclge_shap_bucket bucket, u8 pg_id,
400 				    u32 shapping_para, u32 rate)
401 {
402 	struct hclge_pg_shapping_cmd *shap_cfg_cmd;
403 	enum hclge_opcode_type opcode;
404 	struct hclge_desc desc;
405 
406 	opcode = bucket ? HCLGE_OPC_TM_PG_P_SHAPPING :
407 		 HCLGE_OPC_TM_PG_C_SHAPPING;
408 	hclge_cmd_setup_basic_desc(&desc, opcode, false);
409 
410 	shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
411 
412 	shap_cfg_cmd->pg_id = pg_id;
413 
414 	shap_cfg_cmd->pg_shapping_para = cpu_to_le32(shapping_para);
415 
416 	hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
417 
418 	shap_cfg_cmd->pg_rate = cpu_to_le32(rate);
419 
420 	return hclge_cmd_send(&hdev->hw, &desc, 1);
421 }
422 
hclge_tm_port_shaper_cfg(struct hclge_dev * hdev)423 static int hclge_tm_port_shaper_cfg(struct hclge_dev *hdev)
424 {
425 	struct hclge_port_shapping_cmd *shap_cfg_cmd;
426 	struct hclge_shaper_ir_para ir_para;
427 	struct hclge_desc desc;
428 	u32 shapping_para;
429 	int ret;
430 
431 	ret = hclge_shaper_para_calc(hdev->hw.mac.speed, HCLGE_SHAPER_LVL_PORT,
432 				     &ir_para,
433 				     hdev->ae_dev->dev_specs.max_tm_rate);
434 	if (ret)
435 		return ret;
436 
437 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PORT_SHAPPING, false);
438 	shap_cfg_cmd = (struct hclge_port_shapping_cmd *)desc.data;
439 
440 	shapping_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
441 						   ir_para.ir_s,
442 						   HCLGE_SHAPER_BS_U_DEF,
443 						   HCLGE_SHAPER_BS_S_DEF);
444 
445 	shap_cfg_cmd->port_shapping_para = cpu_to_le32(shapping_para);
446 
447 	hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
448 
449 	shap_cfg_cmd->port_rate = cpu_to_le32(hdev->hw.mac.speed);
450 
451 	return hclge_cmd_send(&hdev->hw, &desc, 1);
452 }
453 
hclge_tm_pri_shapping_cfg(struct hclge_dev * hdev,enum hclge_shap_bucket bucket,u8 pri_id,u32 shapping_para,u32 rate)454 static int hclge_tm_pri_shapping_cfg(struct hclge_dev *hdev,
455 				     enum hclge_shap_bucket bucket, u8 pri_id,
456 				     u32 shapping_para, u32 rate)
457 {
458 	struct hclge_pri_shapping_cmd *shap_cfg_cmd;
459 	enum hclge_opcode_type opcode;
460 	struct hclge_desc desc;
461 
462 	opcode = bucket ? HCLGE_OPC_TM_PRI_P_SHAPPING :
463 		 HCLGE_OPC_TM_PRI_C_SHAPPING;
464 
465 	hclge_cmd_setup_basic_desc(&desc, opcode, false);
466 
467 	shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
468 
469 	shap_cfg_cmd->pri_id = pri_id;
470 
471 	shap_cfg_cmd->pri_shapping_para = cpu_to_le32(shapping_para);
472 
473 	hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
474 
475 	shap_cfg_cmd->pri_rate = cpu_to_le32(rate);
476 
477 	return hclge_cmd_send(&hdev->hw, &desc, 1);
478 }
479 
hclge_tm_pg_schd_mode_cfg(struct hclge_dev * hdev,u8 pg_id)480 static int hclge_tm_pg_schd_mode_cfg(struct hclge_dev *hdev, u8 pg_id)
481 {
482 	struct hclge_desc desc;
483 
484 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_SCH_MODE_CFG, false);
485 
486 	if (hdev->tm_info.pg_info[pg_id].pg_sch_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(pg_id);
492 
493 	return hclge_cmd_send(&hdev->hw, &desc, 1);
494 }
495 
hclge_tm_pri_schd_mode_cfg(struct hclge_dev * hdev,u8 pri_id)496 static int hclge_tm_pri_schd_mode_cfg(struct hclge_dev *hdev, u8 pri_id)
497 {
498 	struct hclge_desc desc;
499 
500 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_SCH_MODE_CFG, false);
501 
502 	if (hdev->tm_info.tc_info[pri_id].tc_sch_mode == HCLGE_SCH_MODE_DWRR)
503 		desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
504 	else
505 		desc.data[1] = 0;
506 
507 	desc.data[0] = cpu_to_le32(pri_id);
508 
509 	return hclge_cmd_send(&hdev->hw, &desc, 1);
510 }
511 
hclge_tm_qs_schd_mode_cfg(struct hclge_dev * hdev,u16 qs_id,u8 mode)512 static int hclge_tm_qs_schd_mode_cfg(struct hclge_dev *hdev, u16 qs_id, u8 mode)
513 {
514 	struct hclge_desc desc;
515 
516 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_SCH_MODE_CFG, false);
517 
518 	if (mode == HCLGE_SCH_MODE_DWRR)
519 		desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
520 	else
521 		desc.data[1] = 0;
522 
523 	desc.data[0] = cpu_to_le32(qs_id);
524 
525 	return hclge_cmd_send(&hdev->hw, &desc, 1);
526 }
527 
hclge_tm_qs_bp_cfg(struct hclge_dev * hdev,u8 tc,u8 grp_id,u32 bit_map)528 static int hclge_tm_qs_bp_cfg(struct hclge_dev *hdev, u8 tc, u8 grp_id,
529 			      u32 bit_map)
530 {
531 	struct hclge_bp_to_qs_map_cmd *bp_to_qs_map_cmd;
532 	struct hclge_desc desc;
533 
534 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_BP_TO_QSET_MAPPING,
535 				   false);
536 
537 	bp_to_qs_map_cmd = (struct hclge_bp_to_qs_map_cmd *)desc.data;
538 
539 	bp_to_qs_map_cmd->tc_id = tc;
540 	bp_to_qs_map_cmd->qs_group_id = grp_id;
541 	bp_to_qs_map_cmd->qs_bit_map = cpu_to_le32(bit_map);
542 
543 	return hclge_cmd_send(&hdev->hw, &desc, 1);
544 }
545 
hclge_tm_qs_shaper_cfg(struct hclge_vport * vport,int max_tx_rate)546 int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate)
547 {
548 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
549 	struct hclge_qs_shapping_cmd *shap_cfg_cmd;
550 	struct hclge_shaper_ir_para ir_para;
551 	struct hclge_dev *hdev = vport->back;
552 	struct hclge_desc desc;
553 	u32 shaper_para;
554 	int ret, i;
555 
556 	if (!max_tx_rate)
557 		max_tx_rate = hdev->ae_dev->dev_specs.max_tm_rate;
558 
559 	ret = hclge_shaper_para_calc(max_tx_rate, HCLGE_SHAPER_LVL_QSET,
560 				     &ir_para,
561 				     hdev->ae_dev->dev_specs.max_tm_rate);
562 	if (ret)
563 		return ret;
564 
565 	shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
566 						 ir_para.ir_s,
567 						 HCLGE_SHAPER_BS_U_DEF,
568 						 HCLGE_SHAPER_BS_S_DEF);
569 
570 	for (i = 0; i < kinfo->tc_info.num_tc; i++) {
571 		hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QCN_SHAPPING_CFG,
572 					   false);
573 
574 		shap_cfg_cmd = (struct hclge_qs_shapping_cmd *)desc.data;
575 		shap_cfg_cmd->qs_id = cpu_to_le16(vport->qs_offset + i);
576 		shap_cfg_cmd->qs_shapping_para = cpu_to_le32(shaper_para);
577 
578 		hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
579 		shap_cfg_cmd->qs_rate = cpu_to_le32(max_tx_rate);
580 
581 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
582 		if (ret) {
583 			dev_err(&hdev->pdev->dev,
584 				"vf%u, qs%u failed to set tx_rate:%d, ret=%d\n",
585 				vport->vport_id, shap_cfg_cmd->qs_id,
586 				max_tx_rate, ret);
587 			return ret;
588 		}
589 	}
590 
591 	return 0;
592 }
593 
hclge_vport_get_max_rss_size(struct hclge_vport * vport)594 static u16 hclge_vport_get_max_rss_size(struct hclge_vport *vport)
595 {
596 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
597 	struct hnae3_tc_info *tc_info = &kinfo->tc_info;
598 	struct hclge_dev *hdev = vport->back;
599 	u16 max_rss_size = 0;
600 	int i;
601 
602 	if (!tc_info->mqprio_active)
603 		return vport->alloc_tqps / tc_info->num_tc;
604 
605 	for (i = 0; i < HNAE3_MAX_TC; i++) {
606 		if (!(hdev->hw_tc_map & BIT(i)) || i >= tc_info->num_tc)
607 			continue;
608 		if (max_rss_size < tc_info->tqp_count[i])
609 			max_rss_size = tc_info->tqp_count[i];
610 	}
611 
612 	return max_rss_size;
613 }
614 
hclge_vport_get_tqp_num(struct hclge_vport * vport)615 static u16 hclge_vport_get_tqp_num(struct hclge_vport *vport)
616 {
617 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
618 	struct hnae3_tc_info *tc_info = &kinfo->tc_info;
619 	struct hclge_dev *hdev = vport->back;
620 	int sum = 0;
621 	int i;
622 
623 	if (!tc_info->mqprio_active)
624 		return kinfo->rss_size * tc_info->num_tc;
625 
626 	for (i = 0; i < HNAE3_MAX_TC; i++) {
627 		if (hdev->hw_tc_map & BIT(i) && i < tc_info->num_tc)
628 			sum += tc_info->tqp_count[i];
629 	}
630 
631 	return sum;
632 }
633 
hclge_tm_update_kinfo_rss_size(struct hclge_vport * vport)634 static void hclge_tm_update_kinfo_rss_size(struct hclge_vport *vport)
635 {
636 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
637 	struct hclge_dev *hdev = vport->back;
638 	u16 vport_max_rss_size;
639 	u16 max_rss_size;
640 
641 	/* TC configuration is shared by PF/VF in one port, only allow
642 	 * one tc for VF for simplicity. VF's vport_id is non zero.
643 	 */
644 	if (vport->vport_id) {
645 		kinfo->tc_info.num_tc = 1;
646 		vport->qs_offset = HNAE3_MAX_TC +
647 				   vport->vport_id - HCLGE_VF_VPORT_START_NUM;
648 		vport_max_rss_size = hdev->vf_rss_size_max;
649 	} else {
650 		kinfo->tc_info.num_tc =
651 			min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc);
652 		vport->qs_offset = 0;
653 		vport_max_rss_size = hdev->pf_rss_size_max;
654 	}
655 
656 	max_rss_size = min_t(u16, vport_max_rss_size,
657 			     hclge_vport_get_max_rss_size(vport));
658 
659 	/* Set to user value, no larger than max_rss_size. */
660 	if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
661 	    kinfo->req_rss_size <= max_rss_size) {
662 		dev_info(&hdev->pdev->dev, "rss changes from %u to %u\n",
663 			 kinfo->rss_size, kinfo->req_rss_size);
664 		kinfo->rss_size = kinfo->req_rss_size;
665 	} else if (kinfo->rss_size > max_rss_size ||
666 		   (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) {
667 		/* Set to the maximum specification value (max_rss_size). */
668 		kinfo->rss_size = max_rss_size;
669 	}
670 }
671 
hclge_tm_vport_tc_info_update(struct hclge_vport * vport)672 static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
673 {
674 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
675 	struct hclge_dev *hdev = vport->back;
676 	u8 i;
677 
678 	hclge_tm_update_kinfo_rss_size(vport);
679 	kinfo->num_tqps = hclge_vport_get_tqp_num(vport);
680 	vport->dwrr = 100;  /* 100 percent as init */
681 	vport->alloc_rss_size = kinfo->rss_size;
682 	vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit;
683 
684 	/* when enable mqprio, the tc_info has been updated. */
685 	if (kinfo->tc_info.mqprio_active)
686 		return;
687 
688 	for (i = 0; i < HNAE3_MAX_TC; i++) {
689 		if (hdev->hw_tc_map & BIT(i) && i < kinfo->tc_info.num_tc) {
690 			set_bit(i, &kinfo->tc_info.tc_en);
691 			kinfo->tc_info.tqp_offset[i] = i * kinfo->rss_size;
692 			kinfo->tc_info.tqp_count[i] = kinfo->rss_size;
693 		} else {
694 			/* Set to default queue if TC is disable */
695 			clear_bit(i, &kinfo->tc_info.tc_en);
696 			kinfo->tc_info.tqp_offset[i] = 0;
697 			kinfo->tc_info.tqp_count[i] = 1;
698 		}
699 	}
700 
701 	memcpy(kinfo->tc_info.prio_tc, hdev->tm_info.prio_tc,
702 	       sizeof_field(struct hnae3_tc_info, prio_tc));
703 }
704 
hclge_tm_vport_info_update(struct hclge_dev * hdev)705 static void hclge_tm_vport_info_update(struct hclge_dev *hdev)
706 {
707 	struct hclge_vport *vport = hdev->vport;
708 	u32 i;
709 
710 	for (i = 0; i < hdev->num_alloc_vport; i++) {
711 		hclge_tm_vport_tc_info_update(vport);
712 
713 		vport++;
714 	}
715 }
716 
hclge_tm_tc_info_init(struct hclge_dev * hdev)717 static void hclge_tm_tc_info_init(struct hclge_dev *hdev)
718 {
719 	u8 i;
720 
721 	for (i = 0; i < hdev->tm_info.num_tc; i++) {
722 		hdev->tm_info.tc_info[i].tc_id = i;
723 		hdev->tm_info.tc_info[i].tc_sch_mode = HCLGE_SCH_MODE_DWRR;
724 		hdev->tm_info.tc_info[i].pgid = 0;
725 		hdev->tm_info.tc_info[i].bw_limit =
726 			hdev->tm_info.pg_info[0].bw_limit;
727 	}
728 
729 	for (i = 0; i < HNAE3_MAX_USER_PRIO; i++)
730 		hdev->tm_info.prio_tc[i] =
731 			(i >= hdev->tm_info.num_tc) ? 0 : i;
732 
733 	/* DCB is enabled if we have more than 1 TC or pfc_en is
734 	 * non-zero.
735 	 */
736 	if (hdev->tm_info.num_tc > 1 || hdev->tm_info.pfc_en)
737 		hdev->flag |= HCLGE_FLAG_DCB_ENABLE;
738 	else
739 		hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE;
740 }
741 
hclge_tm_pg_info_init(struct hclge_dev * hdev)742 static void hclge_tm_pg_info_init(struct hclge_dev *hdev)
743 {
744 #define BW_PERCENT	100
745 
746 	u8 i;
747 
748 	for (i = 0; i < hdev->tm_info.num_pg; i++) {
749 		int k;
750 
751 		hdev->tm_info.pg_dwrr[i] = i ? 0 : BW_PERCENT;
752 
753 		hdev->tm_info.pg_info[i].pg_id = i;
754 		hdev->tm_info.pg_info[i].pg_sch_mode = HCLGE_SCH_MODE_DWRR;
755 
756 		hdev->tm_info.pg_info[i].bw_limit =
757 					hdev->ae_dev->dev_specs.max_tm_rate;
758 
759 		if (i != 0)
760 			continue;
761 
762 		hdev->tm_info.pg_info[i].tc_bit_map = hdev->hw_tc_map;
763 		for (k = 0; k < hdev->tm_info.num_tc; k++)
764 			hdev->tm_info.pg_info[i].tc_dwrr[k] = BW_PERCENT;
765 	}
766 }
767 
hclge_update_fc_mode_by_dcb_flag(struct hclge_dev * hdev)768 static void hclge_update_fc_mode_by_dcb_flag(struct hclge_dev *hdev)
769 {
770 	if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE)) {
771 		if (hdev->fc_mode_last_time == HCLGE_FC_PFC)
772 			dev_warn(&hdev->pdev->dev,
773 				 "DCB is disable, but last mode is FC_PFC\n");
774 
775 		hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
776 	} else if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
777 		/* fc_mode_last_time record the last fc_mode when
778 		 * DCB is enabled, so that fc_mode can be set to
779 		 * the correct value when DCB is disabled.
780 		 */
781 		hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
782 		hdev->tm_info.fc_mode = HCLGE_FC_PFC;
783 	}
784 }
785 
hclge_update_fc_mode(struct hclge_dev * hdev)786 static void hclge_update_fc_mode(struct hclge_dev *hdev)
787 {
788 	if (!hdev->tm_info.pfc_en) {
789 		hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
790 		return;
791 	}
792 
793 	if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
794 		hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
795 		hdev->tm_info.fc_mode = HCLGE_FC_PFC;
796 	}
797 }
798 
hclge_pfc_info_init(struct hclge_dev * hdev)799 static void hclge_pfc_info_init(struct hclge_dev *hdev)
800 {
801 	if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
802 		hclge_update_fc_mode(hdev);
803 	else
804 		hclge_update_fc_mode_by_dcb_flag(hdev);
805 }
806 
hclge_tm_schd_info_init(struct hclge_dev * hdev)807 static void hclge_tm_schd_info_init(struct hclge_dev *hdev)
808 {
809 	hclge_tm_pg_info_init(hdev);
810 
811 	hclge_tm_tc_info_init(hdev);
812 
813 	hclge_tm_vport_info_update(hdev);
814 
815 	hclge_pfc_info_init(hdev);
816 }
817 
hclge_tm_pg_to_pri_map(struct hclge_dev * hdev)818 static int hclge_tm_pg_to_pri_map(struct hclge_dev *hdev)
819 {
820 	int ret;
821 	u32 i;
822 
823 	if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
824 		return 0;
825 
826 	for (i = 0; i < hdev->tm_info.num_pg; i++) {
827 		/* Cfg mapping */
828 		ret = hclge_tm_pg_to_pri_map_cfg(
829 			hdev, i, hdev->tm_info.pg_info[i].tc_bit_map);
830 		if (ret)
831 			return ret;
832 	}
833 
834 	return 0;
835 }
836 
hclge_tm_pg_shaper_cfg(struct hclge_dev * hdev)837 static int hclge_tm_pg_shaper_cfg(struct hclge_dev *hdev)
838 {
839 	u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
840 	struct hclge_shaper_ir_para ir_para;
841 	u32 shaper_para;
842 	int ret;
843 	u32 i;
844 
845 	/* Cfg pg schd */
846 	if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
847 		return 0;
848 
849 	/* Pg to pri */
850 	for (i = 0; i < hdev->tm_info.num_pg; i++) {
851 		u32 rate = hdev->tm_info.pg_info[i].bw_limit;
852 
853 		/* Calc shaper para */
854 		ret = hclge_shaper_para_calc(rate, HCLGE_SHAPER_LVL_PG,
855 					     &ir_para, max_tm_rate);
856 		if (ret)
857 			return ret;
858 
859 		shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
860 							 HCLGE_SHAPER_BS_U_DEF,
861 							 HCLGE_SHAPER_BS_S_DEF);
862 		ret = hclge_tm_pg_shapping_cfg(hdev,
863 					       HCLGE_TM_SHAP_C_BUCKET, i,
864 					       shaper_para, rate);
865 		if (ret)
866 			return ret;
867 
868 		shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b,
869 							 ir_para.ir_u,
870 							 ir_para.ir_s,
871 							 HCLGE_SHAPER_BS_U_DEF,
872 							 HCLGE_SHAPER_BS_S_DEF);
873 		ret = hclge_tm_pg_shapping_cfg(hdev,
874 					       HCLGE_TM_SHAP_P_BUCKET, i,
875 					       shaper_para, rate);
876 		if (ret)
877 			return ret;
878 	}
879 
880 	return 0;
881 }
882 
hclge_tm_pg_dwrr_cfg(struct hclge_dev * hdev)883 static int hclge_tm_pg_dwrr_cfg(struct hclge_dev *hdev)
884 {
885 	int ret;
886 	u32 i;
887 
888 	/* cfg pg schd */
889 	if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
890 		return 0;
891 
892 	/* pg to prio */
893 	for (i = 0; i < hdev->tm_info.num_pg; i++) {
894 		/* Cfg dwrr */
895 		ret = hclge_tm_pg_weight_cfg(hdev, i, hdev->tm_info.pg_dwrr[i]);
896 		if (ret)
897 			return ret;
898 	}
899 
900 	return 0;
901 }
902 
hclge_vport_q_to_qs_map(struct hclge_dev * hdev,struct hclge_vport * vport)903 static int hclge_vport_q_to_qs_map(struct hclge_dev *hdev,
904 				   struct hclge_vport *vport)
905 {
906 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
907 	struct hnae3_tc_info *tc_info = &kinfo->tc_info;
908 	struct hnae3_queue **tqp = kinfo->tqp;
909 	u32 i, j;
910 	int ret;
911 
912 	for (i = 0; i < tc_info->num_tc; i++) {
913 		for (j = 0; j < tc_info->tqp_count[i]; j++) {
914 			struct hnae3_queue *q = tqp[tc_info->tqp_offset[i] + j];
915 
916 			ret = hclge_tm_q_to_qs_map_cfg(hdev,
917 						       hclge_get_queue_id(q),
918 						       vport->qs_offset + i);
919 			if (ret)
920 				return ret;
921 		}
922 	}
923 
924 	return 0;
925 }
926 
hclge_tm_pri_q_qs_cfg(struct hclge_dev * hdev)927 static int hclge_tm_pri_q_qs_cfg(struct hclge_dev *hdev)
928 {
929 	struct hclge_vport *vport = hdev->vport;
930 	int ret;
931 	u32 i, k;
932 
933 	if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
934 		/* Cfg qs -> pri mapping, one by one mapping */
935 		for (k = 0; k < hdev->num_alloc_vport; k++) {
936 			struct hnae3_knic_private_info *kinfo =
937 				&vport[k].nic.kinfo;
938 
939 			for (i = 0; i < kinfo->tc_info.num_tc; i++) {
940 				ret = hclge_tm_qs_to_pri_map_cfg(
941 					hdev, vport[k].qs_offset + i, i);
942 				if (ret)
943 					return ret;
944 			}
945 		}
946 	} else if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE) {
947 		/* Cfg qs -> pri mapping,  qs = tc, pri = vf, 8 qs -> 1 pri */
948 		for (k = 0; k < hdev->num_alloc_vport; k++)
949 			for (i = 0; i < HNAE3_MAX_TC; i++) {
950 				ret = hclge_tm_qs_to_pri_map_cfg(
951 					hdev, vport[k].qs_offset + i, k);
952 				if (ret)
953 					return ret;
954 			}
955 	} else {
956 		return -EINVAL;
957 	}
958 
959 	/* Cfg q -> qs mapping */
960 	for (i = 0; i < hdev->num_alloc_vport; i++) {
961 		ret = hclge_vport_q_to_qs_map(hdev, vport);
962 		if (ret)
963 			return ret;
964 
965 		vport++;
966 	}
967 
968 	return 0;
969 }
970 
hclge_tm_pri_tc_base_shaper_cfg(struct hclge_dev * hdev)971 static int hclge_tm_pri_tc_base_shaper_cfg(struct hclge_dev *hdev)
972 {
973 	u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
974 	struct hclge_shaper_ir_para ir_para;
975 	u32 shaper_para;
976 	int ret;
977 	u32 i;
978 
979 	for (i = 0; i < hdev->tm_info.num_tc; i++) {
980 		u32 rate = hdev->tm_info.tc_info[i].bw_limit;
981 
982 		ret = hclge_shaper_para_calc(rate, HCLGE_SHAPER_LVL_PRI,
983 					     &ir_para, max_tm_rate);
984 		if (ret)
985 			return ret;
986 
987 		shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
988 							 HCLGE_SHAPER_BS_U_DEF,
989 							 HCLGE_SHAPER_BS_S_DEF);
990 		ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET, i,
991 						shaper_para, rate);
992 		if (ret)
993 			return ret;
994 
995 		shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b,
996 							 ir_para.ir_u,
997 							 ir_para.ir_s,
998 							 HCLGE_SHAPER_BS_U_DEF,
999 							 HCLGE_SHAPER_BS_S_DEF);
1000 		ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET, i,
1001 						shaper_para, rate);
1002 		if (ret)
1003 			return ret;
1004 	}
1005 
1006 	return 0;
1007 }
1008 
hclge_tm_pri_vnet_base_shaper_pri_cfg(struct hclge_vport * vport)1009 static int hclge_tm_pri_vnet_base_shaper_pri_cfg(struct hclge_vport *vport)
1010 {
1011 	struct hclge_dev *hdev = vport->back;
1012 	struct hclge_shaper_ir_para ir_para;
1013 	u32 shaper_para;
1014 	int ret;
1015 
1016 	ret = hclge_shaper_para_calc(vport->bw_limit, HCLGE_SHAPER_LVL_VF,
1017 				     &ir_para,
1018 				     hdev->ae_dev->dev_specs.max_tm_rate);
1019 	if (ret)
1020 		return ret;
1021 
1022 	shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
1023 						 HCLGE_SHAPER_BS_U_DEF,
1024 						 HCLGE_SHAPER_BS_S_DEF);
1025 	ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET,
1026 					vport->vport_id, shaper_para,
1027 					vport->bw_limit);
1028 	if (ret)
1029 		return ret;
1030 
1031 	shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
1032 						 ir_para.ir_s,
1033 						 HCLGE_SHAPER_BS_U_DEF,
1034 						 HCLGE_SHAPER_BS_S_DEF);
1035 	ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET,
1036 					vport->vport_id, shaper_para,
1037 					vport->bw_limit);
1038 	if (ret)
1039 		return ret;
1040 
1041 	return 0;
1042 }
1043 
hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport * vport)1044 static int hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport *vport)
1045 {
1046 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1047 	struct hclge_dev *hdev = vport->back;
1048 	u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
1049 	struct hclge_shaper_ir_para ir_para;
1050 	u32 i;
1051 	int ret;
1052 
1053 	for (i = 0; i < kinfo->tc_info.num_tc; i++) {
1054 		ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit,
1055 					     HCLGE_SHAPER_LVL_QSET,
1056 					     &ir_para, max_tm_rate);
1057 		if (ret)
1058 			return ret;
1059 	}
1060 
1061 	return 0;
1062 }
1063 
hclge_tm_pri_vnet_base_shaper_cfg(struct hclge_dev * hdev)1064 static int hclge_tm_pri_vnet_base_shaper_cfg(struct hclge_dev *hdev)
1065 {
1066 	struct hclge_vport *vport = hdev->vport;
1067 	int ret;
1068 	u32 i;
1069 
1070 	/* Need config vport shaper */
1071 	for (i = 0; i < hdev->num_alloc_vport; i++) {
1072 		ret = hclge_tm_pri_vnet_base_shaper_pri_cfg(vport);
1073 		if (ret)
1074 			return ret;
1075 
1076 		ret = hclge_tm_pri_vnet_base_shaper_qs_cfg(vport);
1077 		if (ret)
1078 			return ret;
1079 
1080 		vport++;
1081 	}
1082 
1083 	return 0;
1084 }
1085 
hclge_tm_pri_shaper_cfg(struct hclge_dev * hdev)1086 static int hclge_tm_pri_shaper_cfg(struct hclge_dev *hdev)
1087 {
1088 	int ret;
1089 
1090 	if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
1091 		ret = hclge_tm_pri_tc_base_shaper_cfg(hdev);
1092 		if (ret)
1093 			return ret;
1094 	} else {
1095 		ret = hclge_tm_pri_vnet_base_shaper_cfg(hdev);
1096 		if (ret)
1097 			return ret;
1098 	}
1099 
1100 	return 0;
1101 }
1102 
hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev * hdev)1103 static int hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev *hdev)
1104 {
1105 	struct hclge_vport *vport = hdev->vport;
1106 	struct hclge_pg_info *pg_info;
1107 	u8 dwrr;
1108 	int ret;
1109 	u32 i, k;
1110 
1111 	for (i = 0; i < hdev->tm_info.num_tc; i++) {
1112 		pg_info =
1113 			&hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
1114 		dwrr = pg_info->tc_dwrr[i];
1115 
1116 		ret = hclge_tm_pri_weight_cfg(hdev, i, dwrr);
1117 		if (ret)
1118 			return ret;
1119 
1120 		for (k = 0; k < hdev->num_alloc_vport; k++) {
1121 			ret = hclge_tm_qs_weight_cfg(
1122 				hdev, vport[k].qs_offset + i,
1123 				vport[k].dwrr);
1124 			if (ret)
1125 				return ret;
1126 		}
1127 	}
1128 
1129 	return 0;
1130 }
1131 
hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev * hdev)1132 static int hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev *hdev)
1133 {
1134 #define DEFAULT_TC_WEIGHT	1
1135 #define DEFAULT_TC_OFFSET	14
1136 
1137 	struct hclge_ets_tc_weight_cmd *ets_weight;
1138 	struct hclge_desc desc;
1139 	unsigned int i;
1140 
1141 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, false);
1142 	ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
1143 
1144 	for (i = 0; i < HNAE3_MAX_TC; i++) {
1145 		struct hclge_pg_info *pg_info;
1146 
1147 		ets_weight->tc_weight[i] = DEFAULT_TC_WEIGHT;
1148 
1149 		if (!(hdev->hw_tc_map & BIT(i)))
1150 			continue;
1151 
1152 		pg_info =
1153 			&hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
1154 		ets_weight->tc_weight[i] = pg_info->tc_dwrr[i];
1155 	}
1156 
1157 	ets_weight->weight_offset = DEFAULT_TC_OFFSET;
1158 
1159 	return hclge_cmd_send(&hdev->hw, &desc, 1);
1160 }
1161 
hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport * vport)1162 static int hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport *vport)
1163 {
1164 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1165 	struct hclge_dev *hdev = vport->back;
1166 	int ret;
1167 	u8 i;
1168 
1169 	/* Vf dwrr */
1170 	ret = hclge_tm_pri_weight_cfg(hdev, vport->vport_id, vport->dwrr);
1171 	if (ret)
1172 		return ret;
1173 
1174 	/* Qset dwrr */
1175 	for (i = 0; i < kinfo->tc_info.num_tc; i++) {
1176 		ret = hclge_tm_qs_weight_cfg(
1177 			hdev, vport->qs_offset + i,
1178 			hdev->tm_info.pg_info[0].tc_dwrr[i]);
1179 		if (ret)
1180 			return ret;
1181 	}
1182 
1183 	return 0;
1184 }
1185 
hclge_tm_pri_vnet_base_dwrr_cfg(struct hclge_dev * hdev)1186 static int hclge_tm_pri_vnet_base_dwrr_cfg(struct hclge_dev *hdev)
1187 {
1188 	struct hclge_vport *vport = hdev->vport;
1189 	int ret;
1190 	u32 i;
1191 
1192 	for (i = 0; i < hdev->num_alloc_vport; i++) {
1193 		ret = hclge_tm_pri_vnet_base_dwrr_pri_cfg(vport);
1194 		if (ret)
1195 			return ret;
1196 
1197 		vport++;
1198 	}
1199 
1200 	return 0;
1201 }
1202 
hclge_tm_pri_dwrr_cfg(struct hclge_dev * hdev)1203 static int hclge_tm_pri_dwrr_cfg(struct hclge_dev *hdev)
1204 {
1205 	int ret;
1206 
1207 	if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
1208 		ret = hclge_tm_pri_tc_base_dwrr_cfg(hdev);
1209 		if (ret)
1210 			return ret;
1211 
1212 		if (!hnae3_dev_dcb_supported(hdev))
1213 			return 0;
1214 
1215 		ret = hclge_tm_ets_tc_dwrr_cfg(hdev);
1216 		if (ret == -EOPNOTSUPP) {
1217 			dev_warn(&hdev->pdev->dev,
1218 				 "fw %08x does't support ets tc weight cmd\n",
1219 				 hdev->fw_version);
1220 			ret = 0;
1221 		}
1222 
1223 		return ret;
1224 	} else {
1225 		ret = hclge_tm_pri_vnet_base_dwrr_cfg(hdev);
1226 		if (ret)
1227 			return ret;
1228 	}
1229 
1230 	return 0;
1231 }
1232 
hclge_tm_map_cfg(struct hclge_dev * hdev)1233 static int hclge_tm_map_cfg(struct hclge_dev *hdev)
1234 {
1235 	int ret;
1236 
1237 	ret = hclge_up_to_tc_map(hdev);
1238 	if (ret)
1239 		return ret;
1240 
1241 	ret = hclge_tm_pg_to_pri_map(hdev);
1242 	if (ret)
1243 		return ret;
1244 
1245 	return hclge_tm_pri_q_qs_cfg(hdev);
1246 }
1247 
hclge_tm_shaper_cfg(struct hclge_dev * hdev)1248 static int hclge_tm_shaper_cfg(struct hclge_dev *hdev)
1249 {
1250 	int ret;
1251 
1252 	ret = hclge_tm_port_shaper_cfg(hdev);
1253 	if (ret)
1254 		return ret;
1255 
1256 	ret = hclge_tm_pg_shaper_cfg(hdev);
1257 	if (ret)
1258 		return ret;
1259 
1260 	return hclge_tm_pri_shaper_cfg(hdev);
1261 }
1262 
hclge_tm_dwrr_cfg(struct hclge_dev * hdev)1263 int hclge_tm_dwrr_cfg(struct hclge_dev *hdev)
1264 {
1265 	int ret;
1266 
1267 	ret = hclge_tm_pg_dwrr_cfg(hdev);
1268 	if (ret)
1269 		return ret;
1270 
1271 	return hclge_tm_pri_dwrr_cfg(hdev);
1272 }
1273 
hclge_tm_lvl2_schd_mode_cfg(struct hclge_dev * hdev)1274 static int hclge_tm_lvl2_schd_mode_cfg(struct hclge_dev *hdev)
1275 {
1276 	int ret;
1277 	u8 i;
1278 
1279 	/* Only being config on TC-Based scheduler mode */
1280 	if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE)
1281 		return 0;
1282 
1283 	for (i = 0; i < hdev->tm_info.num_pg; i++) {
1284 		ret = hclge_tm_pg_schd_mode_cfg(hdev, i);
1285 		if (ret)
1286 			return ret;
1287 	}
1288 
1289 	return 0;
1290 }
1291 
hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport * vport)1292 static int hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport *vport)
1293 {
1294 	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
1295 	struct hclge_dev *hdev = vport->back;
1296 	int ret;
1297 	u8 i;
1298 
1299 	if (vport->vport_id >= HNAE3_MAX_TC)
1300 		return -EINVAL;
1301 
1302 	ret = hclge_tm_pri_schd_mode_cfg(hdev, vport->vport_id);
1303 	if (ret)
1304 		return ret;
1305 
1306 	for (i = 0; i < kinfo->tc_info.num_tc; i++) {
1307 		u8 sch_mode = hdev->tm_info.tc_info[i].tc_sch_mode;
1308 
1309 		ret = hclge_tm_qs_schd_mode_cfg(hdev, vport->qs_offset + i,
1310 						sch_mode);
1311 		if (ret)
1312 			return ret;
1313 	}
1314 
1315 	return 0;
1316 }
1317 
hclge_tm_lvl34_schd_mode_cfg(struct hclge_dev * hdev)1318 static int hclge_tm_lvl34_schd_mode_cfg(struct hclge_dev *hdev)
1319 {
1320 	struct hclge_vport *vport = hdev->vport;
1321 	int ret;
1322 	u8 i, k;
1323 
1324 	if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
1325 		for (i = 0; i < hdev->tm_info.num_tc; i++) {
1326 			ret = hclge_tm_pri_schd_mode_cfg(hdev, i);
1327 			if (ret)
1328 				return ret;
1329 
1330 			for (k = 0; k < hdev->num_alloc_vport; k++) {
1331 				ret = hclge_tm_qs_schd_mode_cfg(
1332 					hdev, vport[k].qs_offset + i,
1333 					HCLGE_SCH_MODE_DWRR);
1334 				if (ret)
1335 					return ret;
1336 			}
1337 		}
1338 	} else {
1339 		for (i = 0; i < hdev->num_alloc_vport; i++) {
1340 			ret = hclge_tm_schd_mode_vnet_base_cfg(vport);
1341 			if (ret)
1342 				return ret;
1343 
1344 			vport++;
1345 		}
1346 	}
1347 
1348 	return 0;
1349 }
1350 
hclge_tm_schd_mode_hw(struct hclge_dev * hdev)1351 static int hclge_tm_schd_mode_hw(struct hclge_dev *hdev)
1352 {
1353 	int ret;
1354 
1355 	ret = hclge_tm_lvl2_schd_mode_cfg(hdev);
1356 	if (ret)
1357 		return ret;
1358 
1359 	return hclge_tm_lvl34_schd_mode_cfg(hdev);
1360 }
1361 
hclge_tm_schd_setup_hw(struct hclge_dev * hdev)1362 int hclge_tm_schd_setup_hw(struct hclge_dev *hdev)
1363 {
1364 	int ret;
1365 
1366 	/* Cfg tm mapping  */
1367 	ret = hclge_tm_map_cfg(hdev);
1368 	if (ret)
1369 		return ret;
1370 
1371 	/* Cfg tm shaper */
1372 	ret = hclge_tm_shaper_cfg(hdev);
1373 	if (ret)
1374 		return ret;
1375 
1376 	/* Cfg dwrr */
1377 	ret = hclge_tm_dwrr_cfg(hdev);
1378 	if (ret)
1379 		return ret;
1380 
1381 	/* Cfg schd mode for each level schd */
1382 	return hclge_tm_schd_mode_hw(hdev);
1383 }
1384 
hclge_pause_param_setup_hw(struct hclge_dev * hdev)1385 static int hclge_pause_param_setup_hw(struct hclge_dev *hdev)
1386 {
1387 	struct hclge_mac *mac = &hdev->hw.mac;
1388 
1389 	return hclge_pause_param_cfg(hdev, mac->mac_addr,
1390 				     HCLGE_DEFAULT_PAUSE_TRANS_GAP,
1391 				     HCLGE_DEFAULT_PAUSE_TRANS_TIME);
1392 }
1393 
hclge_pfc_setup_hw(struct hclge_dev * hdev)1394 static int hclge_pfc_setup_hw(struct hclge_dev *hdev)
1395 {
1396 	u8 enable_bitmap = 0;
1397 
1398 	if (hdev->tm_info.fc_mode == HCLGE_FC_PFC)
1399 		enable_bitmap = HCLGE_TX_MAC_PAUSE_EN_MSK |
1400 				HCLGE_RX_MAC_PAUSE_EN_MSK;
1401 
1402 	return hclge_pfc_pause_en_cfg(hdev, enable_bitmap,
1403 				      hdev->tm_info.pfc_en);
1404 }
1405 
1406 /* for the queues that use for backpress, divides to several groups,
1407  * each group contains 32 queue sets, which can be represented by u32 bitmap.
1408  */
hclge_bp_setup_hw(struct hclge_dev * hdev,u8 tc)1409 static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 tc)
1410 {
1411 	u16 grp_id_shift = HCLGE_BP_GRP_ID_S;
1412 	u16 grp_id_mask = HCLGE_BP_GRP_ID_M;
1413 	u8 grp_num = HCLGE_BP_GRP_NUM;
1414 	int i;
1415 
1416 	if (hdev->num_tqps > HCLGE_TQP_MAX_SIZE_DEV_V2) {
1417 		grp_num = HCLGE_BP_EXT_GRP_NUM;
1418 		grp_id_mask = HCLGE_BP_EXT_GRP_ID_M;
1419 		grp_id_shift = HCLGE_BP_EXT_GRP_ID_S;
1420 	}
1421 
1422 	for (i = 0; i < grp_num; i++) {
1423 		u32 qs_bitmap = 0;
1424 		int k, ret;
1425 
1426 		for (k = 0; k < hdev->num_alloc_vport; k++) {
1427 			struct hclge_vport *vport = &hdev->vport[k];
1428 			u16 qs_id = vport->qs_offset + tc;
1429 			u8 grp, sub_grp;
1430 
1431 			grp = hnae3_get_field(qs_id, grp_id_mask, grp_id_shift);
1432 			sub_grp = hnae3_get_field(qs_id, HCLGE_BP_SUB_GRP_ID_M,
1433 						  HCLGE_BP_SUB_GRP_ID_S);
1434 			if (i == grp)
1435 				qs_bitmap |= (1 << sub_grp);
1436 		}
1437 
1438 		ret = hclge_tm_qs_bp_cfg(hdev, tc, i, qs_bitmap);
1439 		if (ret)
1440 			return ret;
1441 	}
1442 
1443 	return 0;
1444 }
1445 
hclge_mac_pause_setup_hw(struct hclge_dev * hdev)1446 static int hclge_mac_pause_setup_hw(struct hclge_dev *hdev)
1447 {
1448 	bool tx_en, rx_en;
1449 
1450 	switch (hdev->tm_info.fc_mode) {
1451 	case HCLGE_FC_NONE:
1452 		tx_en = false;
1453 		rx_en = false;
1454 		break;
1455 	case HCLGE_FC_RX_PAUSE:
1456 		tx_en = false;
1457 		rx_en = true;
1458 		break;
1459 	case HCLGE_FC_TX_PAUSE:
1460 		tx_en = true;
1461 		rx_en = false;
1462 		break;
1463 	case HCLGE_FC_FULL:
1464 		tx_en = true;
1465 		rx_en = true;
1466 		break;
1467 	case HCLGE_FC_PFC:
1468 		tx_en = false;
1469 		rx_en = false;
1470 		break;
1471 	default:
1472 		tx_en = true;
1473 		rx_en = true;
1474 	}
1475 
1476 	return hclge_mac_pause_en_cfg(hdev, tx_en, rx_en);
1477 }
1478 
hclge_tm_bp_setup(struct hclge_dev * hdev)1479 static int hclge_tm_bp_setup(struct hclge_dev *hdev)
1480 {
1481 	int ret;
1482 	int i;
1483 
1484 	for (i = 0; i < hdev->tm_info.num_tc; i++) {
1485 		ret = hclge_bp_setup_hw(hdev, i);
1486 		if (ret)
1487 			return ret;
1488 	}
1489 
1490 	return 0;
1491 }
1492 
hclge_pause_setup_hw(struct hclge_dev * hdev,bool init)1493 int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init)
1494 {
1495 	int ret;
1496 
1497 	ret = hclge_pause_param_setup_hw(hdev);
1498 	if (ret)
1499 		return ret;
1500 
1501 	ret = hclge_mac_pause_setup_hw(hdev);
1502 	if (ret)
1503 		return ret;
1504 
1505 	/* Only DCB-supported dev supports qset back pressure and pfc cmd */
1506 	if (!hnae3_dev_dcb_supported(hdev))
1507 		return 0;
1508 
1509 	/* GE MAC does not support PFC, when driver is initializing and MAC
1510 	 * is in GE Mode, ignore the error here, otherwise initialization
1511 	 * will fail.
1512 	 */
1513 	ret = hclge_pfc_setup_hw(hdev);
1514 	if (init && ret == -EOPNOTSUPP)
1515 		dev_warn(&hdev->pdev->dev, "GE MAC does not support pfc\n");
1516 	else if (ret) {
1517 		dev_err(&hdev->pdev->dev, "config pfc failed! ret = %d\n",
1518 			ret);
1519 		return ret;
1520 	}
1521 
1522 	return hclge_tm_bp_setup(hdev);
1523 }
1524 
hclge_tm_prio_tc_info_update(struct hclge_dev * hdev,u8 * prio_tc)1525 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc)
1526 {
1527 	struct hclge_vport *vport = hdev->vport;
1528 	struct hnae3_knic_private_info *kinfo;
1529 	u32 i, k;
1530 
1531 	for (i = 0; i < HNAE3_MAX_USER_PRIO; i++) {
1532 		hdev->tm_info.prio_tc[i] = prio_tc[i];
1533 
1534 		for (k = 0;  k < hdev->num_alloc_vport; k++) {
1535 			kinfo = &vport[k].nic.kinfo;
1536 			kinfo->tc_info.prio_tc[i] = prio_tc[i];
1537 		}
1538 	}
1539 }
1540 
hclge_tm_schd_info_update(struct hclge_dev * hdev,u8 num_tc)1541 void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc)
1542 {
1543 	u8 bit_map = 0;
1544 	u8 i;
1545 
1546 	hdev->tm_info.num_tc = num_tc;
1547 
1548 	for (i = 0; i < hdev->tm_info.num_tc; i++)
1549 		bit_map |= BIT(i);
1550 
1551 	if (!bit_map) {
1552 		bit_map = 1;
1553 		hdev->tm_info.num_tc = 1;
1554 	}
1555 
1556 	hdev->hw_tc_map = bit_map;
1557 
1558 	hclge_tm_schd_info_init(hdev);
1559 }
1560 
hclge_tm_pfc_info_update(struct hclge_dev * hdev)1561 void hclge_tm_pfc_info_update(struct hclge_dev *hdev)
1562 {
1563 	/* DCB is enabled if we have more than 1 TC or pfc_en is
1564 	 * non-zero.
1565 	 */
1566 	if (hdev->tm_info.num_tc > 1 || hdev->tm_info.pfc_en)
1567 		hdev->flag |= HCLGE_FLAG_DCB_ENABLE;
1568 	else
1569 		hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE;
1570 
1571 	hclge_pfc_info_init(hdev);
1572 }
1573 
hclge_tm_init_hw(struct hclge_dev * hdev,bool init)1574 int hclge_tm_init_hw(struct hclge_dev *hdev, bool init)
1575 {
1576 	int ret;
1577 
1578 	if ((hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE) &&
1579 	    (hdev->tx_sch_mode != HCLGE_FLAG_VNET_BASE_SCH_MODE))
1580 		return -ENOTSUPP;
1581 
1582 	ret = hclge_tm_schd_setup_hw(hdev);
1583 	if (ret)
1584 		return ret;
1585 
1586 	ret = hclge_pause_setup_hw(hdev, init);
1587 	if (ret)
1588 		return ret;
1589 
1590 	return 0;
1591 }
1592 
hclge_tm_schd_init(struct hclge_dev * hdev)1593 int hclge_tm_schd_init(struct hclge_dev *hdev)
1594 {
1595 	/* fc_mode is HCLGE_FC_FULL on reset */
1596 	hdev->tm_info.fc_mode = HCLGE_FC_FULL;
1597 	hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
1598 
1599 	if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE &&
1600 	    hdev->tm_info.num_pg != 1)
1601 		return -EINVAL;
1602 
1603 	hclge_tm_schd_info_init(hdev);
1604 
1605 	return hclge_tm_init_hw(hdev, true);
1606 }
1607 
hclge_tm_vport_map_update(struct hclge_dev * hdev)1608 int hclge_tm_vport_map_update(struct hclge_dev *hdev)
1609 {
1610 	struct hclge_vport *vport = hdev->vport;
1611 	int ret;
1612 
1613 	hclge_tm_vport_tc_info_update(vport);
1614 
1615 	ret = hclge_vport_q_to_qs_map(hdev, vport);
1616 	if (ret)
1617 		return ret;
1618 
1619 	if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE))
1620 		return 0;
1621 
1622 	return hclge_tm_bp_setup(hdev);
1623 }
1624 
hclge_tm_get_qset_num(struct hclge_dev * hdev,u16 * qset_num)1625 int hclge_tm_get_qset_num(struct hclge_dev *hdev, u16 *qset_num)
1626 {
1627 	struct hclge_tm_nodes_cmd *nodes;
1628 	struct hclge_desc desc;
1629 	int ret;
1630 
1631 	if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) {
1632 		/* Each PF has 8 qsets and each VF has 1 qset */
1633 		*qset_num = HCLGE_TM_PF_MAX_QSET_NUM + pci_num_vf(hdev->pdev);
1634 		return 0;
1635 	}
1636 
1637 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
1638 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1639 	if (ret) {
1640 		dev_err(&hdev->pdev->dev,
1641 			"failed to get qset num, ret = %d\n", ret);
1642 		return ret;
1643 	}
1644 
1645 	nodes = (struct hclge_tm_nodes_cmd *)desc.data;
1646 	*qset_num = le16_to_cpu(nodes->qset_num);
1647 	return 0;
1648 }
1649 
hclge_tm_get_pri_num(struct hclge_dev * hdev,u8 * pri_num)1650 int hclge_tm_get_pri_num(struct hclge_dev *hdev, u8 *pri_num)
1651 {
1652 	struct hclge_tm_nodes_cmd *nodes;
1653 	struct hclge_desc desc;
1654 	int ret;
1655 
1656 	if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) {
1657 		*pri_num = HCLGE_TM_PF_MAX_PRI_NUM;
1658 		return 0;
1659 	}
1660 
1661 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
1662 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1663 	if (ret) {
1664 		dev_err(&hdev->pdev->dev,
1665 			"failed to get pri num, ret = %d\n", ret);
1666 		return ret;
1667 	}
1668 
1669 	nodes = (struct hclge_tm_nodes_cmd *)desc.data;
1670 	*pri_num = nodes->pri_num;
1671 	return 0;
1672 }
1673 
hclge_tm_get_qset_map_pri(struct hclge_dev * hdev,u16 qset_id,u8 * priority,u8 * link_vld)1674 int hclge_tm_get_qset_map_pri(struct hclge_dev *hdev, u16 qset_id, u8 *priority,
1675 			      u8 *link_vld)
1676 {
1677 	struct hclge_qs_to_pri_link_cmd *map;
1678 	struct hclge_desc desc;
1679 	int ret;
1680 
1681 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_TO_PRI_LINK, true);
1682 	map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
1683 	map->qs_id = cpu_to_le16(qset_id);
1684 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1685 	if (ret) {
1686 		dev_err(&hdev->pdev->dev,
1687 			"failed to get qset map priority, ret = %d\n", ret);
1688 		return ret;
1689 	}
1690 
1691 	*priority = map->priority;
1692 	*link_vld = map->link_vld;
1693 	return 0;
1694 }
1695 
hclge_tm_get_qset_sch_mode(struct hclge_dev * hdev,u16 qset_id,u8 * mode)1696 int hclge_tm_get_qset_sch_mode(struct hclge_dev *hdev, u16 qset_id, u8 *mode)
1697 {
1698 	struct hclge_qs_sch_mode_cfg_cmd *qs_sch_mode;
1699 	struct hclge_desc desc;
1700 	int ret;
1701 
1702 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_SCH_MODE_CFG, true);
1703 	qs_sch_mode = (struct hclge_qs_sch_mode_cfg_cmd *)desc.data;
1704 	qs_sch_mode->qs_id = cpu_to_le16(qset_id);
1705 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1706 	if (ret) {
1707 		dev_err(&hdev->pdev->dev,
1708 			"failed to get qset sch mode, ret = %d\n", ret);
1709 		return ret;
1710 	}
1711 
1712 	*mode = qs_sch_mode->sch_mode;
1713 	return 0;
1714 }
1715 
hclge_tm_get_qset_weight(struct hclge_dev * hdev,u16 qset_id,u8 * weight)1716 int hclge_tm_get_qset_weight(struct hclge_dev *hdev, u16 qset_id, u8 *weight)
1717 {
1718 	struct hclge_qs_weight_cmd *qs_weight;
1719 	struct hclge_desc desc;
1720 	int ret;
1721 
1722 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_WEIGHT, true);
1723 	qs_weight = (struct hclge_qs_weight_cmd *)desc.data;
1724 	qs_weight->qs_id = cpu_to_le16(qset_id);
1725 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1726 	if (ret) {
1727 		dev_err(&hdev->pdev->dev,
1728 			"failed to get qset weight, ret = %d\n", ret);
1729 		return ret;
1730 	}
1731 
1732 	*weight = qs_weight->dwrr;
1733 	return 0;
1734 }
1735 
hclge_tm_get_pri_sch_mode(struct hclge_dev * hdev,u8 pri_id,u8 * mode)1736 int hclge_tm_get_pri_sch_mode(struct hclge_dev *hdev, u8 pri_id, u8 *mode)
1737 {
1738 	struct hclge_pri_sch_mode_cfg_cmd *pri_sch_mode;
1739 	struct hclge_desc desc;
1740 	int ret;
1741 
1742 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_SCH_MODE_CFG, true);
1743 	pri_sch_mode = (struct hclge_pri_sch_mode_cfg_cmd *)desc.data;
1744 	pri_sch_mode->pri_id = pri_id;
1745 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1746 	if (ret) {
1747 		dev_err(&hdev->pdev->dev,
1748 			"failed to get priority sch mode, ret = %d\n", ret);
1749 		return ret;
1750 	}
1751 
1752 	*mode = pri_sch_mode->sch_mode;
1753 	return 0;
1754 }
1755 
hclge_tm_get_pri_weight(struct hclge_dev * hdev,u8 pri_id,u8 * weight)1756 int hclge_tm_get_pri_weight(struct hclge_dev *hdev, u8 pri_id, u8 *weight)
1757 {
1758 	struct hclge_priority_weight_cmd *priority_weight;
1759 	struct hclge_desc desc;
1760 	int ret;
1761 
1762 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_WEIGHT, true);
1763 	priority_weight = (struct hclge_priority_weight_cmd *)desc.data;
1764 	priority_weight->pri_id = pri_id;
1765 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1766 	if (ret) {
1767 		dev_err(&hdev->pdev->dev,
1768 			"failed to get priority weight, ret = %d\n", ret);
1769 		return ret;
1770 	}
1771 
1772 	*weight = priority_weight->dwrr;
1773 	return 0;
1774 }
1775 
hclge_tm_get_pri_shaper(struct hclge_dev * hdev,u8 pri_id,enum hclge_opcode_type cmd,struct hclge_pri_shaper_para * para)1776 int hclge_tm_get_pri_shaper(struct hclge_dev *hdev, u8 pri_id,
1777 			    enum hclge_opcode_type cmd,
1778 			    struct hclge_pri_shaper_para *para)
1779 {
1780 	struct hclge_pri_shapping_cmd *shap_cfg_cmd;
1781 	struct hclge_desc desc;
1782 	u32 shapping_para;
1783 	int ret;
1784 
1785 	if (cmd != HCLGE_OPC_TM_PRI_C_SHAPPING &&
1786 	    cmd != HCLGE_OPC_TM_PRI_P_SHAPPING)
1787 		return -EINVAL;
1788 
1789 	hclge_cmd_setup_basic_desc(&desc, cmd, true);
1790 	shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
1791 	shap_cfg_cmd->pri_id = pri_id;
1792 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1793 	if (ret) {
1794 		dev_err(&hdev->pdev->dev,
1795 			"failed to get priority shaper(%#x), ret = %d\n",
1796 			cmd, ret);
1797 		return ret;
1798 	}
1799 
1800 	shapping_para = le32_to_cpu(shap_cfg_cmd->pri_shapping_para);
1801 	para->ir_b = hclge_tm_get_field(shapping_para, IR_B);
1802 	para->ir_u = hclge_tm_get_field(shapping_para, IR_U);
1803 	para->ir_s = hclge_tm_get_field(shapping_para, IR_S);
1804 	para->bs_b = hclge_tm_get_field(shapping_para, BS_B);
1805 	para->bs_s = hclge_tm_get_field(shapping_para, BS_S);
1806 	para->flag = shap_cfg_cmd->flag;
1807 	para->rate = le32_to_cpu(shap_cfg_cmd->pri_rate);
1808 	return 0;
1809 }
1810