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f62b8bb8 AV |
1 | /* |
2 | * Copyright (c) 2015, Mellanox Technologies. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
86d722ad | 33 | #include <linux/mlx5/fs.h> |
f62b8bb8 | 34 | #include "en.h" |
66e49ded | 35 | #include "eswitch.h" |
f62b8bb8 AV |
36 | |
37 | struct mlx5e_rq_param { | |
38 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; | |
39 | struct mlx5_wq_param wq; | |
40 | }; | |
41 | ||
42 | struct mlx5e_sq_param { | |
43 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; | |
44 | struct mlx5_wq_param wq; | |
58d52291 | 45 | u16 max_inline; |
f62b8bb8 AV |
46 | }; |
47 | ||
48 | struct mlx5e_cq_param { | |
49 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; | |
50 | struct mlx5_wq_param wq; | |
51 | u16 eq_ix; | |
52 | }; | |
53 | ||
54 | struct mlx5e_channel_param { | |
55 | struct mlx5e_rq_param rq; | |
56 | struct mlx5e_sq_param sq; | |
57 | struct mlx5e_cq_param rx_cq; | |
58 | struct mlx5e_cq_param tx_cq; | |
59 | }; | |
60 | ||
61 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) | |
62 | { | |
63 | struct mlx5_core_dev *mdev = priv->mdev; | |
64 | u8 port_state; | |
65 | ||
66 | port_state = mlx5_query_vport_state(mdev, | |
e7546514 | 67 | MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0); |
f62b8bb8 AV |
68 | |
69 | if (port_state == VPORT_STATE_UP) | |
70 | netif_carrier_on(priv->netdev); | |
71 | else | |
72 | netif_carrier_off(priv->netdev); | |
73 | } | |
74 | ||
75 | static void mlx5e_update_carrier_work(struct work_struct *work) | |
76 | { | |
77 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, | |
78 | update_carrier_work); | |
79 | ||
80 | mutex_lock(&priv->state_lock); | |
81 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
82 | mlx5e_update_carrier(priv); | |
83 | mutex_unlock(&priv->state_lock); | |
84 | } | |
85 | ||
efea389d GP |
86 | static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) |
87 | { | |
88 | struct mlx5_core_dev *mdev = priv->mdev; | |
89 | struct mlx5e_pport_stats *s = &priv->stats.pport; | |
90 | u32 *in; | |
91 | u32 *out; | |
92 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); | |
93 | ||
94 | in = mlx5_vzalloc(sz); | |
95 | out = mlx5_vzalloc(sz); | |
96 | if (!in || !out) | |
97 | goto free_out; | |
98 | ||
99 | MLX5_SET(ppcnt_reg, in, local_port, 1); | |
100 | ||
101 | MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); | |
102 | mlx5_core_access_reg(mdev, in, sz, out, | |
103 | sz, MLX5_REG_PPCNT, 0, 0); | |
104 | memcpy(s->IEEE_802_3_counters, | |
105 | MLX5_ADDR_OF(ppcnt_reg, out, counter_set), | |
106 | sizeof(s->IEEE_802_3_counters)); | |
107 | ||
108 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); | |
109 | mlx5_core_access_reg(mdev, in, sz, out, | |
110 | sz, MLX5_REG_PPCNT, 0, 0); | |
111 | memcpy(s->RFC_2863_counters, | |
112 | MLX5_ADDR_OF(ppcnt_reg, out, counter_set), | |
113 | sizeof(s->RFC_2863_counters)); | |
114 | ||
115 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); | |
116 | mlx5_core_access_reg(mdev, in, sz, out, | |
117 | sz, MLX5_REG_PPCNT, 0, 0); | |
118 | memcpy(s->RFC_2819_counters, | |
119 | MLX5_ADDR_OF(ppcnt_reg, out, counter_set), | |
120 | sizeof(s->RFC_2819_counters)); | |
121 | ||
122 | free_out: | |
123 | kvfree(in); | |
124 | kvfree(out); | |
125 | } | |
126 | ||
f62b8bb8 AV |
127 | void mlx5e_update_stats(struct mlx5e_priv *priv) |
128 | { | |
129 | struct mlx5_core_dev *mdev = priv->mdev; | |
130 | struct mlx5e_vport_stats *s = &priv->stats.vport; | |
131 | struct mlx5e_rq_stats *rq_stats; | |
132 | struct mlx5e_sq_stats *sq_stats; | |
133 | u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)]; | |
134 | u32 *out; | |
135 | int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); | |
136 | u64 tx_offload_none; | |
137 | int i, j; | |
138 | ||
139 | out = mlx5_vzalloc(outlen); | |
140 | if (!out) | |
141 | return; | |
142 | ||
143 | /* Collect firts the SW counters and then HW for consistency */ | |
144 | s->tso_packets = 0; | |
145 | s->tso_bytes = 0; | |
146 | s->tx_queue_stopped = 0; | |
147 | s->tx_queue_wake = 0; | |
148 | s->tx_queue_dropped = 0; | |
149 | tx_offload_none = 0; | |
150 | s->lro_packets = 0; | |
151 | s->lro_bytes = 0; | |
152 | s->rx_csum_none = 0; | |
bbceefce | 153 | s->rx_csum_sw = 0; |
f62b8bb8 AV |
154 | s->rx_wqe_err = 0; |
155 | for (i = 0; i < priv->params.num_channels; i++) { | |
156 | rq_stats = &priv->channel[i]->rq.stats; | |
157 | ||
158 | s->lro_packets += rq_stats->lro_packets; | |
159 | s->lro_bytes += rq_stats->lro_bytes; | |
160 | s->rx_csum_none += rq_stats->csum_none; | |
bbceefce | 161 | s->rx_csum_sw += rq_stats->csum_sw; |
f62b8bb8 AV |
162 | s->rx_wqe_err += rq_stats->wqe_err; |
163 | ||
a4418a6c | 164 | for (j = 0; j < priv->params.num_tc; j++) { |
f62b8bb8 AV |
165 | sq_stats = &priv->channel[i]->sq[j].stats; |
166 | ||
167 | s->tso_packets += sq_stats->tso_packets; | |
168 | s->tso_bytes += sq_stats->tso_bytes; | |
169 | s->tx_queue_stopped += sq_stats->stopped; | |
170 | s->tx_queue_wake += sq_stats->wake; | |
171 | s->tx_queue_dropped += sq_stats->dropped; | |
172 | tx_offload_none += sq_stats->csum_offload_none; | |
173 | } | |
174 | } | |
175 | ||
176 | /* HW counters */ | |
177 | memset(in, 0, sizeof(in)); | |
178 | ||
179 | MLX5_SET(query_vport_counter_in, in, opcode, | |
180 | MLX5_CMD_OP_QUERY_VPORT_COUNTER); | |
181 | MLX5_SET(query_vport_counter_in, in, op_mod, 0); | |
182 | MLX5_SET(query_vport_counter_in, in, other_vport, 0); | |
183 | ||
184 | memset(out, 0, outlen); | |
185 | ||
186 | if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen)) | |
187 | goto free_out; | |
188 | ||
189 | #define MLX5_GET_CTR(p, x) \ | |
190 | MLX5_GET64(query_vport_counter_out, p, x) | |
191 | ||
192 | s->rx_error_packets = | |
193 | MLX5_GET_CTR(out, received_errors.packets); | |
194 | s->rx_error_bytes = | |
195 | MLX5_GET_CTR(out, received_errors.octets); | |
196 | s->tx_error_packets = | |
197 | MLX5_GET_CTR(out, transmit_errors.packets); | |
198 | s->tx_error_bytes = | |
199 | MLX5_GET_CTR(out, transmit_errors.octets); | |
200 | ||
201 | s->rx_unicast_packets = | |
202 | MLX5_GET_CTR(out, received_eth_unicast.packets); | |
203 | s->rx_unicast_bytes = | |
204 | MLX5_GET_CTR(out, received_eth_unicast.octets); | |
205 | s->tx_unicast_packets = | |
206 | MLX5_GET_CTR(out, transmitted_eth_unicast.packets); | |
207 | s->tx_unicast_bytes = | |
208 | MLX5_GET_CTR(out, transmitted_eth_unicast.octets); | |
209 | ||
210 | s->rx_multicast_packets = | |
211 | MLX5_GET_CTR(out, received_eth_multicast.packets); | |
212 | s->rx_multicast_bytes = | |
213 | MLX5_GET_CTR(out, received_eth_multicast.octets); | |
214 | s->tx_multicast_packets = | |
215 | MLX5_GET_CTR(out, transmitted_eth_multicast.packets); | |
216 | s->tx_multicast_bytes = | |
217 | MLX5_GET_CTR(out, transmitted_eth_multicast.octets); | |
218 | ||
219 | s->rx_broadcast_packets = | |
220 | MLX5_GET_CTR(out, received_eth_broadcast.packets); | |
221 | s->rx_broadcast_bytes = | |
222 | MLX5_GET_CTR(out, received_eth_broadcast.octets); | |
223 | s->tx_broadcast_packets = | |
224 | MLX5_GET_CTR(out, transmitted_eth_broadcast.packets); | |
225 | s->tx_broadcast_bytes = | |
226 | MLX5_GET_CTR(out, transmitted_eth_broadcast.octets); | |
227 | ||
228 | s->rx_packets = | |
229 | s->rx_unicast_packets + | |
230 | s->rx_multicast_packets + | |
231 | s->rx_broadcast_packets; | |
232 | s->rx_bytes = | |
233 | s->rx_unicast_bytes + | |
234 | s->rx_multicast_bytes + | |
235 | s->rx_broadcast_bytes; | |
236 | s->tx_packets = | |
237 | s->tx_unicast_packets + | |
238 | s->tx_multicast_packets + | |
239 | s->tx_broadcast_packets; | |
240 | s->tx_bytes = | |
241 | s->tx_unicast_bytes + | |
242 | s->tx_multicast_bytes + | |
243 | s->tx_broadcast_bytes; | |
244 | ||
245 | /* Update calculated offload counters */ | |
246 | s->tx_csum_offload = s->tx_packets - tx_offload_none; | |
bbceefce AS |
247 | s->rx_csum_good = s->rx_packets - s->rx_csum_none - |
248 | s->rx_csum_sw; | |
f62b8bb8 | 249 | |
efea389d | 250 | mlx5e_update_pport_counters(priv); |
f62b8bb8 AV |
251 | free_out: |
252 | kvfree(out); | |
253 | } | |
254 | ||
255 | static void mlx5e_update_stats_work(struct work_struct *work) | |
256 | { | |
257 | struct delayed_work *dwork = to_delayed_work(work); | |
258 | struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv, | |
259 | update_stats_work); | |
260 | mutex_lock(&priv->state_lock); | |
261 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { | |
262 | mlx5e_update_stats(priv); | |
263 | schedule_delayed_work(dwork, | |
264 | msecs_to_jiffies( | |
265 | MLX5E_UPDATE_STATS_INTERVAL)); | |
266 | } | |
267 | mutex_unlock(&priv->state_lock); | |
268 | } | |
269 | ||
270 | static void __mlx5e_async_event(struct mlx5e_priv *priv, | |
271 | enum mlx5_dev_event event) | |
272 | { | |
273 | switch (event) { | |
274 | case MLX5_DEV_EVENT_PORT_UP: | |
275 | case MLX5_DEV_EVENT_PORT_DOWN: | |
276 | schedule_work(&priv->update_carrier_work); | |
277 | break; | |
278 | ||
279 | default: | |
280 | break; | |
281 | } | |
282 | } | |
283 | ||
284 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, | |
285 | enum mlx5_dev_event event, unsigned long param) | |
286 | { | |
287 | struct mlx5e_priv *priv = vpriv; | |
288 | ||
289 | spin_lock(&priv->async_events_spinlock); | |
290 | if (test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state)) | |
291 | __mlx5e_async_event(priv, event); | |
292 | spin_unlock(&priv->async_events_spinlock); | |
293 | } | |
294 | ||
295 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) | |
296 | { | |
297 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); | |
298 | } | |
299 | ||
300 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) | |
301 | { | |
302 | spin_lock_irq(&priv->async_events_spinlock); | |
303 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); | |
304 | spin_unlock_irq(&priv->async_events_spinlock); | |
305 | } | |
306 | ||
facc9699 SM |
307 | #define MLX5E_HW2SW_MTU(hwmtu) (hwmtu - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
308 | #define MLX5E_SW2HW_MTU(swmtu) (swmtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) | |
309 | ||
f62b8bb8 AV |
310 | static int mlx5e_create_rq(struct mlx5e_channel *c, |
311 | struct mlx5e_rq_param *param, | |
312 | struct mlx5e_rq *rq) | |
313 | { | |
314 | struct mlx5e_priv *priv = c->priv; | |
315 | struct mlx5_core_dev *mdev = priv->mdev; | |
316 | void *rqc = param->rqc; | |
317 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
318 | int wq_sz; | |
319 | int err; | |
320 | int i; | |
321 | ||
311c7c71 SM |
322 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
323 | ||
f62b8bb8 AV |
324 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
325 | &rq->wq_ctrl); | |
326 | if (err) | |
327 | return err; | |
328 | ||
329 | rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; | |
330 | ||
331 | wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
332 | rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL, | |
333 | cpu_to_node(c->cpu)); | |
334 | if (!rq->skb) { | |
335 | err = -ENOMEM; | |
336 | goto err_rq_wq_destroy; | |
337 | } | |
338 | ||
339 | rq->wqe_sz = (priv->params.lro_en) ? priv->params.lro_wqe_sz : | |
facc9699 | 340 | MLX5E_SW2HW_MTU(priv->netdev->mtu); |
fc11fbf9 | 341 | rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz + MLX5E_NET_IP_ALIGN); |
f62b8bb8 AV |
342 | |
343 | for (i = 0; i < wq_sz; i++) { | |
344 | struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); | |
fc11fbf9 | 345 | u32 byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN; |
f62b8bb8 AV |
346 | |
347 | wqe->data.lkey = c->mkey_be; | |
fc11fbf9 SM |
348 | wqe->data.byte_count = |
349 | cpu_to_be32(byte_count | MLX5_HW_START_PADDING); | |
f62b8bb8 AV |
350 | } |
351 | ||
352 | rq->pdev = c->pdev; | |
353 | rq->netdev = c->netdev; | |
354 | rq->channel = c; | |
355 | rq->ix = c->ix; | |
50cfa25a | 356 | rq->priv = c->priv; |
f62b8bb8 AV |
357 | |
358 | return 0; | |
359 | ||
360 | err_rq_wq_destroy: | |
361 | mlx5_wq_destroy(&rq->wq_ctrl); | |
362 | ||
363 | return err; | |
364 | } | |
365 | ||
366 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) | |
367 | { | |
368 | kfree(rq->skb); | |
369 | mlx5_wq_destroy(&rq->wq_ctrl); | |
370 | } | |
371 | ||
372 | static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) | |
373 | { | |
50cfa25a | 374 | struct mlx5e_priv *priv = rq->priv; |
f62b8bb8 AV |
375 | struct mlx5_core_dev *mdev = priv->mdev; |
376 | ||
377 | void *in; | |
378 | void *rqc; | |
379 | void *wq; | |
380 | int inlen; | |
381 | int err; | |
382 | ||
383 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + | |
384 | sizeof(u64) * rq->wq_ctrl.buf.npages; | |
385 | in = mlx5_vzalloc(inlen); | |
386 | if (!in) | |
387 | return -ENOMEM; | |
388 | ||
389 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
390 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
391 | ||
392 | memcpy(rqc, param->rqc, sizeof(param->rqc)); | |
393 | ||
97de9f31 | 394 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
f62b8bb8 AV |
395 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
396 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
f62b8bb8 | 397 | MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - |
68cdf5d6 | 398 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
399 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
400 | ||
401 | mlx5_fill_page_array(&rq->wq_ctrl.buf, | |
402 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
403 | ||
7db22ffb | 404 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
f62b8bb8 AV |
405 | |
406 | kvfree(in); | |
407 | ||
408 | return err; | |
409 | } | |
410 | ||
411 | static int mlx5e_modify_rq(struct mlx5e_rq *rq, int curr_state, int next_state) | |
412 | { | |
413 | struct mlx5e_channel *c = rq->channel; | |
414 | struct mlx5e_priv *priv = c->priv; | |
415 | struct mlx5_core_dev *mdev = priv->mdev; | |
416 | ||
417 | void *in; | |
418 | void *rqc; | |
419 | int inlen; | |
420 | int err; | |
421 | ||
422 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
423 | in = mlx5_vzalloc(inlen); | |
424 | if (!in) | |
425 | return -ENOMEM; | |
426 | ||
427 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
428 | ||
429 | MLX5_SET(modify_rq_in, in, rq_state, curr_state); | |
430 | MLX5_SET(rqc, rqc, state, next_state); | |
431 | ||
7db22ffb | 432 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
f62b8bb8 AV |
433 | |
434 | kvfree(in); | |
435 | ||
436 | return err; | |
437 | } | |
438 | ||
439 | static void mlx5e_disable_rq(struct mlx5e_rq *rq) | |
440 | { | |
50cfa25a | 441 | mlx5_core_destroy_rq(rq->priv->mdev, rq->rqn); |
f62b8bb8 AV |
442 | } |
443 | ||
444 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) | |
445 | { | |
01c196a2 | 446 | unsigned long exp_time = jiffies + msecs_to_jiffies(20000); |
f62b8bb8 AV |
447 | struct mlx5e_channel *c = rq->channel; |
448 | struct mlx5e_priv *priv = c->priv; | |
449 | struct mlx5_wq_ll *wq = &rq->wq; | |
f62b8bb8 | 450 | |
01c196a2 | 451 | while (time_before(jiffies, exp_time)) { |
f62b8bb8 AV |
452 | if (wq->cur_sz >= priv->params.min_rx_wqes) |
453 | return 0; | |
454 | ||
455 | msleep(20); | |
456 | } | |
457 | ||
458 | return -ETIMEDOUT; | |
459 | } | |
460 | ||
461 | static int mlx5e_open_rq(struct mlx5e_channel *c, | |
462 | struct mlx5e_rq_param *param, | |
463 | struct mlx5e_rq *rq) | |
464 | { | |
465 | int err; | |
466 | ||
467 | err = mlx5e_create_rq(c, param, rq); | |
468 | if (err) | |
469 | return err; | |
470 | ||
471 | err = mlx5e_enable_rq(rq, param); | |
472 | if (err) | |
473 | goto err_destroy_rq; | |
474 | ||
475 | err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); | |
476 | if (err) | |
477 | goto err_disable_rq; | |
478 | ||
479 | set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); | |
12be4b21 | 480 | mlx5e_send_nop(&c->sq[0], true); /* trigger mlx5e_post_rx_wqes() */ |
f62b8bb8 AV |
481 | |
482 | return 0; | |
483 | ||
484 | err_disable_rq: | |
485 | mlx5e_disable_rq(rq); | |
486 | err_destroy_rq: | |
487 | mlx5e_destroy_rq(rq); | |
488 | ||
489 | return err; | |
490 | } | |
491 | ||
492 | static void mlx5e_close_rq(struct mlx5e_rq *rq) | |
493 | { | |
494 | clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); | |
495 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ | |
496 | ||
497 | mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); | |
498 | while (!mlx5_wq_ll_is_empty(&rq->wq)) | |
499 | msleep(20); | |
500 | ||
501 | /* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */ | |
502 | napi_synchronize(&rq->channel->napi); | |
503 | ||
504 | mlx5e_disable_rq(rq); | |
505 | mlx5e_destroy_rq(rq); | |
506 | } | |
507 | ||
508 | static void mlx5e_free_sq_db(struct mlx5e_sq *sq) | |
509 | { | |
34802a42 | 510 | kfree(sq->wqe_info); |
f62b8bb8 AV |
511 | kfree(sq->dma_fifo); |
512 | kfree(sq->skb); | |
513 | } | |
514 | ||
515 | static int mlx5e_alloc_sq_db(struct mlx5e_sq *sq, int numa) | |
516 | { | |
517 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
518 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; | |
519 | ||
520 | sq->skb = kzalloc_node(wq_sz * sizeof(*sq->skb), GFP_KERNEL, numa); | |
521 | sq->dma_fifo = kzalloc_node(df_sz * sizeof(*sq->dma_fifo), GFP_KERNEL, | |
522 | numa); | |
34802a42 AS |
523 | sq->wqe_info = kzalloc_node(wq_sz * sizeof(*sq->wqe_info), GFP_KERNEL, |
524 | numa); | |
f62b8bb8 | 525 | |
34802a42 | 526 | if (!sq->skb || !sq->dma_fifo || !sq->wqe_info) { |
f62b8bb8 AV |
527 | mlx5e_free_sq_db(sq); |
528 | return -ENOMEM; | |
529 | } | |
530 | ||
531 | sq->dma_fifo_mask = df_sz - 1; | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
536 | static int mlx5e_create_sq(struct mlx5e_channel *c, | |
537 | int tc, | |
538 | struct mlx5e_sq_param *param, | |
539 | struct mlx5e_sq *sq) | |
540 | { | |
541 | struct mlx5e_priv *priv = c->priv; | |
542 | struct mlx5_core_dev *mdev = priv->mdev; | |
543 | ||
544 | void *sqc = param->sqc; | |
545 | void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
03289b88 | 546 | int txq_ix; |
f62b8bb8 AV |
547 | int err; |
548 | ||
549 | err = mlx5_alloc_map_uar(mdev, &sq->uar); | |
550 | if (err) | |
551 | return err; | |
552 | ||
311c7c71 SM |
553 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
554 | ||
f62b8bb8 AV |
555 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, |
556 | &sq->wq_ctrl); | |
557 | if (err) | |
558 | goto err_unmap_free_uar; | |
559 | ||
560 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; | |
561 | sq->uar_map = sq->uar.map; | |
88a85f99 | 562 | sq->uar_bf_map = sq->uar.bf_map; |
f62b8bb8 | 563 | sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; |
58d52291 | 564 | sq->max_inline = param->max_inline; |
f62b8bb8 | 565 | |
7ec0bb22 DC |
566 | err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu)); |
567 | if (err) | |
f62b8bb8 AV |
568 | goto err_sq_wq_destroy; |
569 | ||
03289b88 SM |
570 | txq_ix = c->ix + tc * priv->params.num_channels; |
571 | sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix); | |
f62b8bb8 | 572 | |
88a85f99 AS |
573 | sq->pdev = c->pdev; |
574 | sq->mkey_be = c->mkey_be; | |
575 | sq->channel = c; | |
576 | sq->tc = tc; | |
577 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS; | |
578 | sq->bf_budget = MLX5E_SQ_BF_BUDGET; | |
03289b88 | 579 | priv->txq_to_sq_map[txq_ix] = sq; |
f62b8bb8 AV |
580 | |
581 | return 0; | |
582 | ||
583 | err_sq_wq_destroy: | |
584 | mlx5_wq_destroy(&sq->wq_ctrl); | |
585 | ||
586 | err_unmap_free_uar: | |
587 | mlx5_unmap_free_uar(mdev, &sq->uar); | |
588 | ||
589 | return err; | |
590 | } | |
591 | ||
592 | static void mlx5e_destroy_sq(struct mlx5e_sq *sq) | |
593 | { | |
594 | struct mlx5e_channel *c = sq->channel; | |
595 | struct mlx5e_priv *priv = c->priv; | |
596 | ||
597 | mlx5e_free_sq_db(sq); | |
598 | mlx5_wq_destroy(&sq->wq_ctrl); | |
599 | mlx5_unmap_free_uar(priv->mdev, &sq->uar); | |
600 | } | |
601 | ||
602 | static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) | |
603 | { | |
604 | struct mlx5e_channel *c = sq->channel; | |
605 | struct mlx5e_priv *priv = c->priv; | |
606 | struct mlx5_core_dev *mdev = priv->mdev; | |
607 | ||
608 | void *in; | |
609 | void *sqc; | |
610 | void *wq; | |
611 | int inlen; | |
612 | int err; | |
613 | ||
614 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + | |
615 | sizeof(u64) * sq->wq_ctrl.buf.npages; | |
616 | in = mlx5_vzalloc(inlen); | |
617 | if (!in) | |
618 | return -ENOMEM; | |
619 | ||
620 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
621 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
622 | ||
623 | memcpy(sqc, param->sqc, sizeof(param->sqc)); | |
624 | ||
f62b8bb8 AV |
625 | MLX5_SET(sqc, sqc, tis_num_0, priv->tisn[sq->tc]); |
626 | MLX5_SET(sqc, sqc, cqn, c->sq[sq->tc].cq.mcq.cqn); | |
627 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); | |
628 | MLX5_SET(sqc, sqc, tis_lst_sz, 1); | |
629 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); | |
630 | ||
631 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
632 | MLX5_SET(wq, wq, uar_page, sq->uar.index); | |
633 | MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift - | |
68cdf5d6 | 634 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
635 | MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); |
636 | ||
637 | mlx5_fill_page_array(&sq->wq_ctrl.buf, | |
638 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
639 | ||
7db22ffb | 640 | err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); |
f62b8bb8 AV |
641 | |
642 | kvfree(in); | |
643 | ||
644 | return err; | |
645 | } | |
646 | ||
647 | static int mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state) | |
648 | { | |
649 | struct mlx5e_channel *c = sq->channel; | |
650 | struct mlx5e_priv *priv = c->priv; | |
651 | struct mlx5_core_dev *mdev = priv->mdev; | |
652 | ||
653 | void *in; | |
654 | void *sqc; | |
655 | int inlen; | |
656 | int err; | |
657 | ||
658 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
659 | in = mlx5_vzalloc(inlen); | |
660 | if (!in) | |
661 | return -ENOMEM; | |
662 | ||
663 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
664 | ||
665 | MLX5_SET(modify_sq_in, in, sq_state, curr_state); | |
666 | MLX5_SET(sqc, sqc, state, next_state); | |
667 | ||
7db22ffb | 668 | err = mlx5_core_modify_sq(mdev, sq->sqn, in, inlen); |
f62b8bb8 AV |
669 | |
670 | kvfree(in); | |
671 | ||
672 | return err; | |
673 | } | |
674 | ||
675 | static void mlx5e_disable_sq(struct mlx5e_sq *sq) | |
676 | { | |
677 | struct mlx5e_channel *c = sq->channel; | |
678 | struct mlx5e_priv *priv = c->priv; | |
679 | struct mlx5_core_dev *mdev = priv->mdev; | |
680 | ||
7db22ffb | 681 | mlx5_core_destroy_sq(mdev, sq->sqn); |
f62b8bb8 AV |
682 | } |
683 | ||
684 | static int mlx5e_open_sq(struct mlx5e_channel *c, | |
685 | int tc, | |
686 | struct mlx5e_sq_param *param, | |
687 | struct mlx5e_sq *sq) | |
688 | { | |
689 | int err; | |
690 | ||
691 | err = mlx5e_create_sq(c, tc, param, sq); | |
692 | if (err) | |
693 | return err; | |
694 | ||
695 | err = mlx5e_enable_sq(sq, param); | |
696 | if (err) | |
697 | goto err_destroy_sq; | |
698 | ||
699 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY); | |
700 | if (err) | |
701 | goto err_disable_sq; | |
702 | ||
703 | set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); | |
704 | netdev_tx_reset_queue(sq->txq); | |
705 | netif_tx_start_queue(sq->txq); | |
706 | ||
707 | return 0; | |
708 | ||
709 | err_disable_sq: | |
710 | mlx5e_disable_sq(sq); | |
711 | err_destroy_sq: | |
712 | mlx5e_destroy_sq(sq); | |
713 | ||
714 | return err; | |
715 | } | |
716 | ||
717 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) | |
718 | { | |
719 | __netif_tx_lock_bh(txq); | |
720 | netif_tx_stop_queue(txq); | |
721 | __netif_tx_unlock_bh(txq); | |
722 | } | |
723 | ||
724 | static void mlx5e_close_sq(struct mlx5e_sq *sq) | |
725 | { | |
726 | clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); | |
727 | napi_synchronize(&sq->channel->napi); /* prevent netif_tx_wake_queue */ | |
728 | netif_tx_disable_queue(sq->txq); | |
729 | ||
730 | /* ensure hw is notified of all pending wqes */ | |
731 | if (mlx5e_sq_has_room_for(sq, 1)) | |
12be4b21 | 732 | mlx5e_send_nop(sq, true); |
f62b8bb8 AV |
733 | |
734 | mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR); | |
735 | while (sq->cc != sq->pc) /* wait till sq is empty */ | |
736 | msleep(20); | |
737 | ||
738 | /* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */ | |
739 | napi_synchronize(&sq->channel->napi); | |
740 | ||
741 | mlx5e_disable_sq(sq); | |
742 | mlx5e_destroy_sq(sq); | |
743 | } | |
744 | ||
745 | static int mlx5e_create_cq(struct mlx5e_channel *c, | |
746 | struct mlx5e_cq_param *param, | |
747 | struct mlx5e_cq *cq) | |
748 | { | |
749 | struct mlx5e_priv *priv = c->priv; | |
750 | struct mlx5_core_dev *mdev = priv->mdev; | |
751 | struct mlx5_core_cq *mcq = &cq->mcq; | |
752 | int eqn_not_used; | |
753 | int irqn; | |
754 | int err; | |
755 | u32 i; | |
756 | ||
311c7c71 SM |
757 | param->wq.buf_numa_node = cpu_to_node(c->cpu); |
758 | param->wq.db_numa_node = cpu_to_node(c->cpu); | |
f62b8bb8 AV |
759 | param->eq_ix = c->ix; |
760 | ||
761 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, | |
762 | &cq->wq_ctrl); | |
763 | if (err) | |
764 | return err; | |
765 | ||
766 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
767 | ||
768 | cq->napi = &c->napi; | |
769 | ||
770 | mcq->cqe_sz = 64; | |
771 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
772 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
773 | *mcq->set_ci_db = 0; | |
774 | *mcq->arm_db = 0; | |
775 | mcq->vector = param->eq_ix; | |
776 | mcq->comp = mlx5e_completion_event; | |
777 | mcq->event = mlx5e_cq_error_event; | |
778 | mcq->irqn = irqn; | |
779 | mcq->uar = &priv->cq_uar; | |
780 | ||
781 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { | |
782 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); | |
783 | ||
784 | cqe->op_own = 0xf1; | |
785 | } | |
786 | ||
787 | cq->channel = c; | |
50cfa25a | 788 | cq->priv = priv; |
f62b8bb8 AV |
789 | |
790 | return 0; | |
791 | } | |
792 | ||
793 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) | |
794 | { | |
795 | mlx5_wq_destroy(&cq->wq_ctrl); | |
796 | } | |
797 | ||
798 | static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) | |
799 | { | |
50cfa25a | 800 | struct mlx5e_priv *priv = cq->priv; |
f62b8bb8 AV |
801 | struct mlx5_core_dev *mdev = priv->mdev; |
802 | struct mlx5_core_cq *mcq = &cq->mcq; | |
803 | ||
804 | void *in; | |
805 | void *cqc; | |
806 | int inlen; | |
807 | int irqn_not_used; | |
808 | int eqn; | |
809 | int err; | |
810 | ||
811 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + | |
812 | sizeof(u64) * cq->wq_ctrl.buf.npages; | |
813 | in = mlx5_vzalloc(inlen); | |
814 | if (!in) | |
815 | return -ENOMEM; | |
816 | ||
817 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); | |
818 | ||
819 | memcpy(cqc, param->cqc, sizeof(param->cqc)); | |
820 | ||
821 | mlx5_fill_page_array(&cq->wq_ctrl.buf, | |
822 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); | |
823 | ||
824 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); | |
825 | ||
826 | MLX5_SET(cqc, cqc, c_eqn, eqn); | |
827 | MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); | |
828 | MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - | |
68cdf5d6 | 829 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
830 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
831 | ||
832 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); | |
833 | ||
834 | kvfree(in); | |
835 | ||
836 | if (err) | |
837 | return err; | |
838 | ||
839 | mlx5e_cq_arm(cq); | |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
844 | static void mlx5e_disable_cq(struct mlx5e_cq *cq) | |
845 | { | |
50cfa25a | 846 | struct mlx5e_priv *priv = cq->priv; |
f62b8bb8 AV |
847 | struct mlx5_core_dev *mdev = priv->mdev; |
848 | ||
849 | mlx5_core_destroy_cq(mdev, &cq->mcq); | |
850 | } | |
851 | ||
852 | static int mlx5e_open_cq(struct mlx5e_channel *c, | |
853 | struct mlx5e_cq_param *param, | |
854 | struct mlx5e_cq *cq, | |
855 | u16 moderation_usecs, | |
856 | u16 moderation_frames) | |
857 | { | |
858 | int err; | |
859 | struct mlx5e_priv *priv = c->priv; | |
860 | struct mlx5_core_dev *mdev = priv->mdev; | |
861 | ||
862 | err = mlx5e_create_cq(c, param, cq); | |
863 | if (err) | |
864 | return err; | |
865 | ||
866 | err = mlx5e_enable_cq(cq, param); | |
867 | if (err) | |
868 | goto err_destroy_cq; | |
869 | ||
870 | err = mlx5_core_modify_cq_moderation(mdev, &cq->mcq, | |
871 | moderation_usecs, | |
872 | moderation_frames); | |
873 | if (err) | |
874 | goto err_destroy_cq; | |
875 | ||
876 | return 0; | |
877 | ||
878 | err_destroy_cq: | |
879 | mlx5e_destroy_cq(cq); | |
880 | ||
881 | return err; | |
882 | } | |
883 | ||
884 | static void mlx5e_close_cq(struct mlx5e_cq *cq) | |
885 | { | |
886 | mlx5e_disable_cq(cq); | |
887 | mlx5e_destroy_cq(cq); | |
888 | } | |
889 | ||
890 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) | |
891 | { | |
892 | return cpumask_first(priv->mdev->priv.irq_info[ix].mask); | |
893 | } | |
894 | ||
895 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, | |
896 | struct mlx5e_channel_param *cparam) | |
897 | { | |
898 | struct mlx5e_priv *priv = c->priv; | |
899 | int err; | |
900 | int tc; | |
901 | ||
902 | for (tc = 0; tc < c->num_tc; tc++) { | |
903 | err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, | |
904 | priv->params.tx_cq_moderation_usec, | |
905 | priv->params.tx_cq_moderation_pkts); | |
906 | if (err) | |
907 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
908 | } |
909 | ||
910 | return 0; | |
911 | ||
912 | err_close_tx_cqs: | |
913 | for (tc--; tc >= 0; tc--) | |
914 | mlx5e_close_cq(&c->sq[tc].cq); | |
915 | ||
916 | return err; | |
917 | } | |
918 | ||
919 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) | |
920 | { | |
921 | int tc; | |
922 | ||
923 | for (tc = 0; tc < c->num_tc; tc++) | |
924 | mlx5e_close_cq(&c->sq[tc].cq); | |
925 | } | |
926 | ||
927 | static int mlx5e_open_sqs(struct mlx5e_channel *c, | |
928 | struct mlx5e_channel_param *cparam) | |
929 | { | |
930 | int err; | |
931 | int tc; | |
932 | ||
933 | for (tc = 0; tc < c->num_tc; tc++) { | |
934 | err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); | |
935 | if (err) | |
936 | goto err_close_sqs; | |
937 | } | |
938 | ||
939 | return 0; | |
940 | ||
941 | err_close_sqs: | |
942 | for (tc--; tc >= 0; tc--) | |
943 | mlx5e_close_sq(&c->sq[tc]); | |
944 | ||
945 | return err; | |
946 | } | |
947 | ||
948 | static void mlx5e_close_sqs(struct mlx5e_channel *c) | |
949 | { | |
950 | int tc; | |
951 | ||
952 | for (tc = 0; tc < c->num_tc; tc++) | |
953 | mlx5e_close_sq(&c->sq[tc]); | |
954 | } | |
955 | ||
5283af89 | 956 | static void mlx5e_build_channeltc_to_txq_map(struct mlx5e_priv *priv, int ix) |
03289b88 SM |
957 | { |
958 | int i; | |
959 | ||
960 | for (i = 0; i < MLX5E_MAX_NUM_TC; i++) | |
5283af89 RS |
961 | priv->channeltc_to_txq_map[ix][i] = |
962 | ix + i * priv->params.num_channels; | |
03289b88 SM |
963 | } |
964 | ||
f62b8bb8 AV |
965 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
966 | struct mlx5e_channel_param *cparam, | |
967 | struct mlx5e_channel **cp) | |
968 | { | |
969 | struct net_device *netdev = priv->netdev; | |
970 | int cpu = mlx5e_get_cpu(priv, ix); | |
971 | struct mlx5e_channel *c; | |
972 | int err; | |
973 | ||
974 | c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); | |
975 | if (!c) | |
976 | return -ENOMEM; | |
977 | ||
978 | c->priv = priv; | |
979 | c->ix = ix; | |
980 | c->cpu = cpu; | |
981 | c->pdev = &priv->mdev->pdev->dev; | |
982 | c->netdev = priv->netdev; | |
983 | c->mkey_be = cpu_to_be32(priv->mr.key); | |
a4418a6c | 984 | c->num_tc = priv->params.num_tc; |
f62b8bb8 | 985 | |
5283af89 | 986 | mlx5e_build_channeltc_to_txq_map(priv, ix); |
03289b88 | 987 | |
f62b8bb8 AV |
988 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
989 | ||
990 | err = mlx5e_open_tx_cqs(c, cparam); | |
991 | if (err) | |
992 | goto err_napi_del; | |
993 | ||
994 | err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, | |
995 | priv->params.rx_cq_moderation_usec, | |
996 | priv->params.rx_cq_moderation_pkts); | |
997 | if (err) | |
998 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
999 | |
1000 | napi_enable(&c->napi); | |
1001 | ||
1002 | err = mlx5e_open_sqs(c, cparam); | |
1003 | if (err) | |
1004 | goto err_disable_napi; | |
1005 | ||
1006 | err = mlx5e_open_rq(c, &cparam->rq, &c->rq); | |
1007 | if (err) | |
1008 | goto err_close_sqs; | |
1009 | ||
1010 | netif_set_xps_queue(netdev, get_cpu_mask(c->cpu), ix); | |
1011 | *cp = c; | |
1012 | ||
1013 | return 0; | |
1014 | ||
1015 | err_close_sqs: | |
1016 | mlx5e_close_sqs(c); | |
1017 | ||
1018 | err_disable_napi: | |
1019 | napi_disable(&c->napi); | |
1020 | mlx5e_close_cq(&c->rq.cq); | |
1021 | ||
1022 | err_close_tx_cqs: | |
1023 | mlx5e_close_tx_cqs(c); | |
1024 | ||
1025 | err_napi_del: | |
1026 | netif_napi_del(&c->napi); | |
7ae92ae5 | 1027 | napi_hash_del(&c->napi); |
f62b8bb8 AV |
1028 | kfree(c); |
1029 | ||
1030 | return err; | |
1031 | } | |
1032 | ||
1033 | static void mlx5e_close_channel(struct mlx5e_channel *c) | |
1034 | { | |
1035 | mlx5e_close_rq(&c->rq); | |
1036 | mlx5e_close_sqs(c); | |
1037 | napi_disable(&c->napi); | |
1038 | mlx5e_close_cq(&c->rq.cq); | |
1039 | mlx5e_close_tx_cqs(c); | |
1040 | netif_napi_del(&c->napi); | |
7ae92ae5 ED |
1041 | |
1042 | napi_hash_del(&c->napi); | |
1043 | synchronize_rcu(); | |
1044 | ||
f62b8bb8 AV |
1045 | kfree(c); |
1046 | } | |
1047 | ||
1048 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, | |
1049 | struct mlx5e_rq_param *param) | |
1050 | { | |
1051 | void *rqc = param->rqc; | |
1052 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1053 | ||
1054 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); | |
1055 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); | |
1056 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); | |
1057 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); | |
1058 | MLX5_SET(wq, wq, pd, priv->pdn); | |
1059 | ||
311c7c71 | 1060 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
f62b8bb8 AV |
1061 | param->wq.linear = 1; |
1062 | } | |
1063 | ||
1064 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, | |
1065 | struct mlx5e_sq_param *param) | |
1066 | { | |
1067 | void *sqc = param->sqc; | |
1068 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1069 | ||
1070 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); | |
1071 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); | |
1072 | MLX5_SET(wq, wq, pd, priv->pdn); | |
1073 | ||
311c7c71 | 1074 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
58d52291 | 1075 | param->max_inline = priv->params.tx_max_inline; |
f62b8bb8 AV |
1076 | } |
1077 | ||
1078 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, | |
1079 | struct mlx5e_cq_param *param) | |
1080 | { | |
1081 | void *cqc = param->cqc; | |
1082 | ||
1083 | MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index); | |
1084 | } | |
1085 | ||
1086 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, | |
1087 | struct mlx5e_cq_param *param) | |
1088 | { | |
1089 | void *cqc = param->cqc; | |
1090 | ||
1091 | MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_rq_size); | |
1092 | ||
1093 | mlx5e_build_common_cq_param(priv, param); | |
1094 | } | |
1095 | ||
1096 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, | |
1097 | struct mlx5e_cq_param *param) | |
1098 | { | |
1099 | void *cqc = param->cqc; | |
1100 | ||
1101 | MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); | |
1102 | ||
1103 | mlx5e_build_common_cq_param(priv, param); | |
1104 | } | |
1105 | ||
1106 | static void mlx5e_build_channel_param(struct mlx5e_priv *priv, | |
1107 | struct mlx5e_channel_param *cparam) | |
1108 | { | |
1109 | memset(cparam, 0, sizeof(*cparam)); | |
1110 | ||
1111 | mlx5e_build_rq_param(priv, &cparam->rq); | |
1112 | mlx5e_build_sq_param(priv, &cparam->sq); | |
1113 | mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); | |
1114 | mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); | |
1115 | } | |
1116 | ||
1117 | static int mlx5e_open_channels(struct mlx5e_priv *priv) | |
1118 | { | |
1119 | struct mlx5e_channel_param cparam; | |
a4418a6c | 1120 | int nch = priv->params.num_channels; |
03289b88 | 1121 | int err = -ENOMEM; |
f62b8bb8 AV |
1122 | int i; |
1123 | int j; | |
1124 | ||
a4418a6c AS |
1125 | priv->channel = kcalloc(nch, sizeof(struct mlx5e_channel *), |
1126 | GFP_KERNEL); | |
03289b88 | 1127 | |
a4418a6c | 1128 | priv->txq_to_sq_map = kcalloc(nch * priv->params.num_tc, |
03289b88 SM |
1129 | sizeof(struct mlx5e_sq *), GFP_KERNEL); |
1130 | ||
1131 | if (!priv->channel || !priv->txq_to_sq_map) | |
1132 | goto err_free_txq_to_sq_map; | |
f62b8bb8 AV |
1133 | |
1134 | mlx5e_build_channel_param(priv, &cparam); | |
a4418a6c | 1135 | for (i = 0; i < nch; i++) { |
f62b8bb8 AV |
1136 | err = mlx5e_open_channel(priv, i, &cparam, &priv->channel[i]); |
1137 | if (err) | |
1138 | goto err_close_channels; | |
1139 | } | |
1140 | ||
a4418a6c | 1141 | for (j = 0; j < nch; j++) { |
f62b8bb8 AV |
1142 | err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); |
1143 | if (err) | |
1144 | goto err_close_channels; | |
1145 | } | |
1146 | ||
1147 | return 0; | |
1148 | ||
1149 | err_close_channels: | |
1150 | for (i--; i >= 0; i--) | |
1151 | mlx5e_close_channel(priv->channel[i]); | |
1152 | ||
03289b88 SM |
1153 | err_free_txq_to_sq_map: |
1154 | kfree(priv->txq_to_sq_map); | |
f62b8bb8 AV |
1155 | kfree(priv->channel); |
1156 | ||
1157 | return err; | |
1158 | } | |
1159 | ||
1160 | static void mlx5e_close_channels(struct mlx5e_priv *priv) | |
1161 | { | |
1162 | int i; | |
1163 | ||
1164 | for (i = 0; i < priv->params.num_channels; i++) | |
1165 | mlx5e_close_channel(priv->channel[i]); | |
1166 | ||
03289b88 | 1167 | kfree(priv->txq_to_sq_map); |
f62b8bb8 AV |
1168 | kfree(priv->channel); |
1169 | } | |
1170 | ||
2be6967c SM |
1171 | static int mlx5e_rx_hash_fn(int hfunc) |
1172 | { | |
1173 | return (hfunc == ETH_RSS_HASH_TOP) ? | |
1174 | MLX5_RX_HASH_FN_TOEPLITZ : | |
1175 | MLX5_RX_HASH_FN_INVERTED_XOR8; | |
1176 | } | |
1177 | ||
1178 | static int mlx5e_bits_invert(unsigned long a, int size) | |
1179 | { | |
1180 | int inv = 0; | |
1181 | int i; | |
1182 | ||
1183 | for (i = 0; i < size; i++) | |
1184 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; | |
1185 | ||
1186 | return inv; | |
1187 | } | |
1188 | ||
936896e9 AS |
1189 | static void mlx5e_fill_indir_rqt_rqns(struct mlx5e_priv *priv, void *rqtc) |
1190 | { | |
1191 | int i; | |
1192 | ||
1193 | for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) { | |
1194 | int ix = i; | |
1195 | ||
1196 | if (priv->params.rss_hfunc == ETH_RSS_HASH_XOR) | |
1197 | ix = mlx5e_bits_invert(i, MLX5E_LOG_INDIR_RQT_SIZE); | |
1198 | ||
2d75b2bc | 1199 | ix = priv->params.indirection_rqt[ix]; |
936896e9 AS |
1200 | ix = ix % priv->params.num_channels; |
1201 | MLX5_SET(rqtc, rqtc, rq_num[i], | |
1202 | test_bit(MLX5E_STATE_OPENED, &priv->state) ? | |
1203 | priv->channel[ix]->rq.rqn : | |
1204 | priv->drop_rq.rqn); | |
1205 | } | |
1206 | } | |
1207 | ||
4cbeaff5 AS |
1208 | static void mlx5e_fill_rqt_rqns(struct mlx5e_priv *priv, void *rqtc, |
1209 | enum mlx5e_rqt_ix rqt_ix) | |
1210 | { | |
4cbeaff5 AS |
1211 | |
1212 | switch (rqt_ix) { | |
1213 | case MLX5E_INDIRECTION_RQT: | |
936896e9 | 1214 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); |
4cbeaff5 AS |
1215 | |
1216 | break; | |
1217 | ||
1218 | default: /* MLX5E_SINGLE_RQ_RQT */ | |
1219 | MLX5_SET(rqtc, rqtc, rq_num[0], | |
5c50368f AS |
1220 | test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
1221 | priv->channel[0]->rq.rqn : | |
1222 | priv->drop_rq.rqn); | |
4cbeaff5 AS |
1223 | |
1224 | break; | |
1225 | } | |
1226 | } | |
1227 | ||
40ab6a6e | 1228 | static int mlx5e_create_rqt(struct mlx5e_priv *priv, enum mlx5e_rqt_ix rqt_ix) |
f62b8bb8 AV |
1229 | { |
1230 | struct mlx5_core_dev *mdev = priv->mdev; | |
1231 | u32 *in; | |
f62b8bb8 AV |
1232 | void *rqtc; |
1233 | int inlen; | |
4cbeaff5 | 1234 | int sz; |
f62b8bb8 | 1235 | int err; |
4cbeaff5 | 1236 | |
936896e9 | 1237 | sz = (rqt_ix == MLX5E_SINGLE_RQ_RQT) ? 1 : MLX5E_INDIR_RQT_SIZE; |
f62b8bb8 | 1238 | |
f62b8bb8 AV |
1239 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
1240 | in = mlx5_vzalloc(inlen); | |
1241 | if (!in) | |
1242 | return -ENOMEM; | |
1243 | ||
1244 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
1245 | ||
1246 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
1247 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
1248 | ||
4cbeaff5 | 1249 | mlx5e_fill_rqt_rqns(priv, rqtc, rqt_ix); |
2be6967c | 1250 | |
4cbeaff5 | 1251 | err = mlx5_core_create_rqt(mdev, in, inlen, &priv->rqtn[rqt_ix]); |
f62b8bb8 AV |
1252 | |
1253 | kvfree(in); | |
1254 | ||
1255 | return err; | |
1256 | } | |
1257 | ||
2d75b2bc | 1258 | int mlx5e_redirect_rqt(struct mlx5e_priv *priv, enum mlx5e_rqt_ix rqt_ix) |
5c50368f AS |
1259 | { |
1260 | struct mlx5_core_dev *mdev = priv->mdev; | |
1261 | u32 *in; | |
1262 | void *rqtc; | |
1263 | int inlen; | |
5c50368f AS |
1264 | int sz; |
1265 | int err; | |
1266 | ||
936896e9 | 1267 | sz = (rqt_ix == MLX5E_SINGLE_RQ_RQT) ? 1 : MLX5E_INDIR_RQT_SIZE; |
5c50368f AS |
1268 | |
1269 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; | |
1270 | in = mlx5_vzalloc(inlen); | |
1271 | if (!in) | |
1272 | return -ENOMEM; | |
1273 | ||
1274 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); | |
1275 | ||
1276 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
1277 | ||
1278 | mlx5e_fill_rqt_rqns(priv, rqtc, rqt_ix); | |
1279 | ||
1280 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); | |
1281 | ||
1282 | err = mlx5_core_modify_rqt(mdev, priv->rqtn[rqt_ix], in, inlen); | |
1283 | ||
1284 | kvfree(in); | |
1285 | ||
1286 | return err; | |
1287 | } | |
1288 | ||
40ab6a6e | 1289 | static void mlx5e_destroy_rqt(struct mlx5e_priv *priv, enum mlx5e_rqt_ix rqt_ix) |
f62b8bb8 | 1290 | { |
4cbeaff5 | 1291 | mlx5_core_destroy_rqt(priv->mdev, priv->rqtn[rqt_ix]); |
f62b8bb8 AV |
1292 | } |
1293 | ||
40ab6a6e AS |
1294 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv) |
1295 | { | |
1296 | mlx5e_redirect_rqt(priv, MLX5E_INDIRECTION_RQT); | |
1297 | mlx5e_redirect_rqt(priv, MLX5E_SINGLE_RQ_RQT); | |
1298 | } | |
1299 | ||
5c50368f AS |
1300 | static void mlx5e_build_tir_ctx_lro(void *tirc, struct mlx5e_priv *priv) |
1301 | { | |
1302 | if (!priv->params.lro_en) | |
1303 | return; | |
1304 | ||
1305 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 | |
1306 | ||
1307 | MLX5_SET(tirc, tirc, lro_enable_mask, | |
1308 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | | |
1309 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); | |
1310 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, | |
1311 | (priv->params.lro_wqe_sz - | |
1312 | ROUGH_MAX_L2_L3_HDR_SZ) >> 8); | |
1313 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, | |
1314 | MLX5_CAP_ETH(priv->mdev, | |
d9a40271 | 1315 | lro_timer_supported_periods[2])); |
5c50368f AS |
1316 | } |
1317 | ||
1318 | static int mlx5e_modify_tir_lro(struct mlx5e_priv *priv, int tt) | |
1319 | { | |
1320 | struct mlx5_core_dev *mdev = priv->mdev; | |
1321 | ||
1322 | void *in; | |
1323 | void *tirc; | |
1324 | int inlen; | |
1325 | int err; | |
1326 | ||
1327 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1328 | in = mlx5_vzalloc(inlen); | |
1329 | if (!in) | |
1330 | return -ENOMEM; | |
1331 | ||
1332 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); | |
1333 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); | |
1334 | ||
1335 | mlx5e_build_tir_ctx_lro(tirc, priv); | |
1336 | ||
1337 | err = mlx5_core_modify_tir(mdev, priv->tirn[tt], in, inlen); | |
1338 | ||
1339 | kvfree(in); | |
1340 | ||
1341 | return err; | |
1342 | } | |
1343 | ||
66189961 TT |
1344 | static int mlx5e_refresh_tir_self_loopback_enable(struct mlx5_core_dev *mdev, |
1345 | u32 tirn) | |
1346 | { | |
1347 | void *in; | |
1348 | int inlen; | |
1349 | int err; | |
1350 | ||
1351 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1352 | in = mlx5_vzalloc(inlen); | |
1353 | if (!in) | |
1354 | return -ENOMEM; | |
1355 | ||
1356 | MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); | |
1357 | ||
1358 | err = mlx5_core_modify_tir(mdev, tirn, in, inlen); | |
1359 | ||
1360 | kvfree(in); | |
1361 | ||
1362 | return err; | |
1363 | } | |
1364 | ||
1365 | static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) | |
1366 | { | |
1367 | int err; | |
1368 | int i; | |
1369 | ||
1370 | for (i = 0; i < MLX5E_NUM_TT; i++) { | |
1371 | err = mlx5e_refresh_tir_self_loopback_enable(priv->mdev, | |
1372 | priv->tirn[i]); | |
1373 | if (err) | |
1374 | return err; | |
1375 | } | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
40ab6a6e AS |
1380 | static int mlx5e_set_dev_port_mtu(struct net_device *netdev) |
1381 | { | |
1382 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1383 | struct mlx5_core_dev *mdev = priv->mdev; | |
1384 | int hw_mtu; | |
1385 | int err; | |
1386 | ||
1387 | err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1); | |
1388 | if (err) | |
1389 | return err; | |
1390 | ||
1391 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); | |
1392 | ||
1393 | if (MLX5E_HW2SW_MTU(hw_mtu) != netdev->mtu) | |
1394 | netdev_warn(netdev, "%s: Port MTU %d is different than netdev mtu %d\n", | |
1395 | __func__, MLX5E_HW2SW_MTU(hw_mtu), netdev->mtu); | |
1396 | ||
1397 | netdev->mtu = MLX5E_HW2SW_MTU(hw_mtu); | |
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | int mlx5e_open_locked(struct net_device *netdev) | |
1402 | { | |
1403 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1404 | int num_txqs; | |
1405 | int err; | |
1406 | ||
1407 | set_bit(MLX5E_STATE_OPENED, &priv->state); | |
1408 | ||
1409 | num_txqs = priv->params.num_channels * priv->params.num_tc; | |
1410 | netif_set_real_num_tx_queues(netdev, num_txqs); | |
1411 | netif_set_real_num_rx_queues(netdev, priv->params.num_channels); | |
1412 | ||
1413 | err = mlx5e_set_dev_port_mtu(netdev); | |
1414 | if (err) | |
343b29f3 | 1415 | goto err_clear_state_opened_flag; |
40ab6a6e AS |
1416 | |
1417 | err = mlx5e_open_channels(priv); | |
1418 | if (err) { | |
1419 | netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n", | |
1420 | __func__, err); | |
343b29f3 | 1421 | goto err_clear_state_opened_flag; |
40ab6a6e AS |
1422 | } |
1423 | ||
66189961 TT |
1424 | err = mlx5e_refresh_tirs_self_loopback_enable(priv); |
1425 | if (err) { | |
1426 | netdev_err(netdev, "%s: mlx5e_refresh_tirs_self_loopback_enable failed, %d\n", | |
1427 | __func__, err); | |
1428 | goto err_close_channels; | |
1429 | } | |
1430 | ||
40ab6a6e AS |
1431 | mlx5e_update_carrier(priv); |
1432 | mlx5e_redirect_rqts(priv); | |
40ab6a6e AS |
1433 | |
1434 | schedule_delayed_work(&priv->update_stats_work, 0); | |
40ab6a6e | 1435 | |
9b37b07f | 1436 | return 0; |
343b29f3 | 1437 | |
66189961 TT |
1438 | err_close_channels: |
1439 | mlx5e_close_channels(priv); | |
343b29f3 AS |
1440 | err_clear_state_opened_flag: |
1441 | clear_bit(MLX5E_STATE_OPENED, &priv->state); | |
1442 | return err; | |
40ab6a6e AS |
1443 | } |
1444 | ||
1445 | static int mlx5e_open(struct net_device *netdev) | |
1446 | { | |
1447 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1448 | int err; | |
1449 | ||
1450 | mutex_lock(&priv->state_lock); | |
1451 | err = mlx5e_open_locked(netdev); | |
1452 | mutex_unlock(&priv->state_lock); | |
1453 | ||
1454 | return err; | |
1455 | } | |
1456 | ||
1457 | int mlx5e_close_locked(struct net_device *netdev) | |
1458 | { | |
1459 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1460 | ||
a1985740 AS |
1461 | /* May already be CLOSED in case a previous configuration operation |
1462 | * (e.g RX/TX queue size change) that involves close&open failed. | |
1463 | */ | |
1464 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
1465 | return 0; | |
1466 | ||
40ab6a6e AS |
1467 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
1468 | ||
1469 | mlx5e_redirect_rqts(priv); | |
40ab6a6e AS |
1470 | netif_carrier_off(priv->netdev); |
1471 | mlx5e_close_channels(priv); | |
1472 | ||
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | static int mlx5e_close(struct net_device *netdev) | |
1477 | { | |
1478 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1479 | int err; | |
1480 | ||
1481 | mutex_lock(&priv->state_lock); | |
1482 | err = mlx5e_close_locked(netdev); | |
1483 | mutex_unlock(&priv->state_lock); | |
1484 | ||
1485 | return err; | |
1486 | } | |
1487 | ||
1488 | static int mlx5e_create_drop_rq(struct mlx5e_priv *priv, | |
1489 | struct mlx5e_rq *rq, | |
1490 | struct mlx5e_rq_param *param) | |
1491 | { | |
1492 | struct mlx5_core_dev *mdev = priv->mdev; | |
1493 | void *rqc = param->rqc; | |
1494 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1495 | int err; | |
1496 | ||
1497 | param->wq.db_numa_node = param->wq.buf_numa_node; | |
1498 | ||
1499 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, | |
1500 | &rq->wq_ctrl); | |
1501 | if (err) | |
1502 | return err; | |
1503 | ||
1504 | rq->priv = priv; | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | static int mlx5e_create_drop_cq(struct mlx5e_priv *priv, | |
1510 | struct mlx5e_cq *cq, | |
1511 | struct mlx5e_cq_param *param) | |
1512 | { | |
1513 | struct mlx5_core_dev *mdev = priv->mdev; | |
1514 | struct mlx5_core_cq *mcq = &cq->mcq; | |
1515 | int eqn_not_used; | |
1516 | int irqn; | |
1517 | int err; | |
1518 | ||
1519 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, | |
1520 | &cq->wq_ctrl); | |
1521 | if (err) | |
1522 | return err; | |
1523 | ||
1524 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
1525 | ||
1526 | mcq->cqe_sz = 64; | |
1527 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
1528 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
1529 | *mcq->set_ci_db = 0; | |
1530 | *mcq->arm_db = 0; | |
1531 | mcq->vector = param->eq_ix; | |
1532 | mcq->comp = mlx5e_completion_event; | |
1533 | mcq->event = mlx5e_cq_error_event; | |
1534 | mcq->irqn = irqn; | |
1535 | mcq->uar = &priv->cq_uar; | |
1536 | ||
1537 | cq->priv = priv; | |
1538 | ||
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | static int mlx5e_open_drop_rq(struct mlx5e_priv *priv) | |
1543 | { | |
1544 | struct mlx5e_cq_param cq_param; | |
1545 | struct mlx5e_rq_param rq_param; | |
1546 | struct mlx5e_rq *rq = &priv->drop_rq; | |
1547 | struct mlx5e_cq *cq = &priv->drop_rq.cq; | |
1548 | int err; | |
1549 | ||
1550 | memset(&cq_param, 0, sizeof(cq_param)); | |
1551 | memset(&rq_param, 0, sizeof(rq_param)); | |
1552 | mlx5e_build_rx_cq_param(priv, &cq_param); | |
1553 | mlx5e_build_rq_param(priv, &rq_param); | |
1554 | ||
1555 | err = mlx5e_create_drop_cq(priv, cq, &cq_param); | |
1556 | if (err) | |
1557 | return err; | |
1558 | ||
1559 | err = mlx5e_enable_cq(cq, &cq_param); | |
1560 | if (err) | |
1561 | goto err_destroy_cq; | |
1562 | ||
1563 | err = mlx5e_create_drop_rq(priv, rq, &rq_param); | |
1564 | if (err) | |
1565 | goto err_disable_cq; | |
1566 | ||
1567 | err = mlx5e_enable_rq(rq, &rq_param); | |
1568 | if (err) | |
1569 | goto err_destroy_rq; | |
1570 | ||
1571 | return 0; | |
1572 | ||
1573 | err_destroy_rq: | |
1574 | mlx5e_destroy_rq(&priv->drop_rq); | |
1575 | ||
1576 | err_disable_cq: | |
1577 | mlx5e_disable_cq(&priv->drop_rq.cq); | |
1578 | ||
1579 | err_destroy_cq: | |
1580 | mlx5e_destroy_cq(&priv->drop_rq.cq); | |
1581 | ||
1582 | return err; | |
1583 | } | |
1584 | ||
1585 | static void mlx5e_close_drop_rq(struct mlx5e_priv *priv) | |
1586 | { | |
1587 | mlx5e_disable_rq(&priv->drop_rq); | |
1588 | mlx5e_destroy_rq(&priv->drop_rq); | |
1589 | mlx5e_disable_cq(&priv->drop_rq.cq); | |
1590 | mlx5e_destroy_cq(&priv->drop_rq.cq); | |
1591 | } | |
1592 | ||
1593 | static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc) | |
1594 | { | |
1595 | struct mlx5_core_dev *mdev = priv->mdev; | |
1596 | u32 in[MLX5_ST_SZ_DW(create_tis_in)]; | |
1597 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); | |
1598 | ||
1599 | memset(in, 0, sizeof(in)); | |
1600 | ||
1601 | MLX5_SET(tisc, tisc, prio, tc); | |
1602 | MLX5_SET(tisc, tisc, transport_domain, priv->tdn); | |
1603 | ||
1604 | return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]); | |
1605 | } | |
1606 | ||
1607 | static void mlx5e_destroy_tis(struct mlx5e_priv *priv, int tc) | |
1608 | { | |
1609 | mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); | |
1610 | } | |
1611 | ||
1612 | static int mlx5e_create_tises(struct mlx5e_priv *priv) | |
1613 | { | |
1614 | int err; | |
1615 | int tc; | |
1616 | ||
1617 | for (tc = 0; tc < priv->params.num_tc; tc++) { | |
1618 | err = mlx5e_create_tis(priv, tc); | |
1619 | if (err) | |
1620 | goto err_close_tises; | |
1621 | } | |
1622 | ||
1623 | return 0; | |
1624 | ||
1625 | err_close_tises: | |
1626 | for (tc--; tc >= 0; tc--) | |
1627 | mlx5e_destroy_tis(priv, tc); | |
1628 | ||
1629 | return err; | |
1630 | } | |
1631 | ||
1632 | static void mlx5e_destroy_tises(struct mlx5e_priv *priv) | |
1633 | { | |
1634 | int tc; | |
1635 | ||
1636 | for (tc = 0; tc < priv->params.num_tc; tc++) | |
1637 | mlx5e_destroy_tis(priv, tc); | |
1638 | } | |
1639 | ||
f62b8bb8 AV |
1640 | static void mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, int tt) |
1641 | { | |
1642 | void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); | |
1643 | ||
3191e05f AS |
1644 | MLX5_SET(tirc, tirc, transport_domain, priv->tdn); |
1645 | ||
5a6f8aef AS |
1646 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1647 | MLX5_HASH_FIELD_SEL_DST_IP) | |
f62b8bb8 | 1648 | |
5a6f8aef AS |
1649 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1650 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
1651 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ | |
1652 | MLX5_HASH_FIELD_SEL_L4_DPORT) | |
f62b8bb8 | 1653 | |
a741749f AS |
1654 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1655 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
1656 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) | |
1657 | ||
5c50368f | 1658 | mlx5e_build_tir_ctx_lro(tirc, priv); |
f62b8bb8 | 1659 | |
4cbeaff5 AS |
1660 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
1661 | ||
f62b8bb8 AV |
1662 | switch (tt) { |
1663 | case MLX5E_TT_ANY: | |
4cbeaff5 AS |
1664 | MLX5_SET(tirc, tirc, indirect_table, |
1665 | priv->rqtn[MLX5E_SINGLE_RQ_RQT]); | |
1666 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); | |
f62b8bb8 AV |
1667 | break; |
1668 | default: | |
f62b8bb8 | 1669 | MLX5_SET(tirc, tirc, indirect_table, |
4cbeaff5 | 1670 | priv->rqtn[MLX5E_INDIRECTION_RQT]); |
f62b8bb8 | 1671 | MLX5_SET(tirc, tirc, rx_hash_fn, |
2be6967c SM |
1672 | mlx5e_rx_hash_fn(priv->params.rss_hfunc)); |
1673 | if (priv->params.rss_hfunc == ETH_RSS_HASH_TOP) { | |
1674 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, | |
1675 | rx_hash_toeplitz_key); | |
1676 | size_t len = MLX5_FLD_SZ_BYTES(tirc, | |
1677 | rx_hash_toeplitz_key); | |
1678 | ||
1679 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
57afead5 | 1680 | memcpy(rss_key, priv->params.toeplitz_hash_key, len); |
2be6967c | 1681 | } |
f62b8bb8 AV |
1682 | break; |
1683 | } | |
1684 | ||
1685 | switch (tt) { | |
1686 | case MLX5E_TT_IPV4_TCP: | |
1687 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1688 | MLX5_L3_PROT_TYPE_IPV4); | |
1689 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1690 | MLX5_L4_PROT_TYPE_TCP); | |
1691 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1692 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1693 | break; |
1694 | ||
1695 | case MLX5E_TT_IPV6_TCP: | |
1696 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1697 | MLX5_L3_PROT_TYPE_IPV6); | |
1698 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1699 | MLX5_L4_PROT_TYPE_TCP); | |
1700 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1701 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1702 | break; |
1703 | ||
1704 | case MLX5E_TT_IPV4_UDP: | |
1705 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1706 | MLX5_L3_PROT_TYPE_IPV4); | |
1707 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1708 | MLX5_L4_PROT_TYPE_UDP); | |
1709 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1710 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1711 | break; |
1712 | ||
1713 | case MLX5E_TT_IPV6_UDP: | |
1714 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1715 | MLX5_L3_PROT_TYPE_IPV6); | |
1716 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1717 | MLX5_L4_PROT_TYPE_UDP); | |
1718 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1719 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1720 | break; |
1721 | ||
a741749f AS |
1722 | case MLX5E_TT_IPV4_IPSEC_AH: |
1723 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1724 | MLX5_L3_PROT_TYPE_IPV4); | |
1725 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1726 | MLX5_HASH_IP_IPSEC_SPI); | |
1727 | break; | |
1728 | ||
1729 | case MLX5E_TT_IPV6_IPSEC_AH: | |
1730 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1731 | MLX5_L3_PROT_TYPE_IPV6); | |
1732 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1733 | MLX5_HASH_IP_IPSEC_SPI); | |
1734 | break; | |
1735 | ||
1736 | case MLX5E_TT_IPV4_IPSEC_ESP: | |
1737 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1738 | MLX5_L3_PROT_TYPE_IPV4); | |
1739 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1740 | MLX5_HASH_IP_IPSEC_SPI); | |
1741 | break; | |
1742 | ||
1743 | case MLX5E_TT_IPV6_IPSEC_ESP: | |
1744 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1745 | MLX5_L3_PROT_TYPE_IPV6); | |
1746 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1747 | MLX5_HASH_IP_IPSEC_SPI); | |
1748 | break; | |
1749 | ||
f62b8bb8 AV |
1750 | case MLX5E_TT_IPV4: |
1751 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1752 | MLX5_L3_PROT_TYPE_IPV4); | |
1753 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1754 | MLX5_HASH_IP); | |
1755 | break; | |
1756 | ||
1757 | case MLX5E_TT_IPV6: | |
1758 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1759 | MLX5_L3_PROT_TYPE_IPV6); | |
1760 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1761 | MLX5_HASH_IP); | |
1762 | break; | |
1763 | } | |
1764 | } | |
1765 | ||
40ab6a6e | 1766 | static int mlx5e_create_tir(struct mlx5e_priv *priv, int tt) |
f62b8bb8 AV |
1767 | { |
1768 | struct mlx5_core_dev *mdev = priv->mdev; | |
1769 | u32 *in; | |
1770 | void *tirc; | |
1771 | int inlen; | |
1772 | int err; | |
1773 | ||
1774 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1775 | in = mlx5_vzalloc(inlen); | |
1776 | if (!in) | |
1777 | return -ENOMEM; | |
1778 | ||
1779 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
1780 | ||
1781 | mlx5e_build_tir_ctx(priv, tirc, tt); | |
1782 | ||
7db22ffb | 1783 | err = mlx5_core_create_tir(mdev, in, inlen, &priv->tirn[tt]); |
f62b8bb8 AV |
1784 | |
1785 | kvfree(in); | |
1786 | ||
1787 | return err; | |
1788 | } | |
1789 | ||
40ab6a6e | 1790 | static void mlx5e_destroy_tir(struct mlx5e_priv *priv, int tt) |
f62b8bb8 | 1791 | { |
7db22ffb | 1792 | mlx5_core_destroy_tir(priv->mdev, priv->tirn[tt]); |
f62b8bb8 AV |
1793 | } |
1794 | ||
40ab6a6e | 1795 | static int mlx5e_create_tirs(struct mlx5e_priv *priv) |
f62b8bb8 AV |
1796 | { |
1797 | int err; | |
1798 | int i; | |
1799 | ||
1800 | for (i = 0; i < MLX5E_NUM_TT; i++) { | |
40ab6a6e | 1801 | err = mlx5e_create_tir(priv, i); |
f62b8bb8 | 1802 | if (err) |
40ab6a6e | 1803 | goto err_destroy_tirs; |
f62b8bb8 AV |
1804 | } |
1805 | ||
1806 | return 0; | |
1807 | ||
40ab6a6e | 1808 | err_destroy_tirs: |
f62b8bb8 | 1809 | for (i--; i >= 0; i--) |
40ab6a6e | 1810 | mlx5e_destroy_tir(priv, i); |
f62b8bb8 AV |
1811 | |
1812 | return err; | |
1813 | } | |
1814 | ||
40ab6a6e | 1815 | static void mlx5e_destroy_tirs(struct mlx5e_priv *priv) |
f62b8bb8 AV |
1816 | { |
1817 | int i; | |
1818 | ||
1819 | for (i = 0; i < MLX5E_NUM_TT; i++) | |
40ab6a6e | 1820 | mlx5e_destroy_tir(priv, i); |
f62b8bb8 AV |
1821 | } |
1822 | ||
f62b8bb8 AV |
1823 | static struct rtnl_link_stats64 * |
1824 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) | |
1825 | { | |
1826 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1827 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; | |
1828 | ||
1829 | stats->rx_packets = vstats->rx_packets; | |
1830 | stats->rx_bytes = vstats->rx_bytes; | |
1831 | stats->tx_packets = vstats->tx_packets; | |
1832 | stats->tx_bytes = vstats->tx_bytes; | |
1833 | stats->multicast = vstats->rx_multicast_packets + | |
1834 | vstats->tx_multicast_packets; | |
1835 | stats->tx_errors = vstats->tx_error_packets; | |
1836 | stats->rx_errors = vstats->rx_error_packets; | |
1837 | stats->tx_dropped = vstats->tx_queue_dropped; | |
1838 | stats->rx_crc_errors = 0; | |
1839 | stats->rx_length_errors = 0; | |
1840 | ||
1841 | return stats; | |
1842 | } | |
1843 | ||
1844 | static void mlx5e_set_rx_mode(struct net_device *dev) | |
1845 | { | |
1846 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1847 | ||
1848 | schedule_work(&priv->set_rx_mode_work); | |
1849 | } | |
1850 | ||
1851 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) | |
1852 | { | |
1853 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1854 | struct sockaddr *saddr = addr; | |
1855 | ||
1856 | if (!is_valid_ether_addr(saddr->sa_data)) | |
1857 | return -EADDRNOTAVAIL; | |
1858 | ||
1859 | netif_addr_lock_bh(netdev); | |
1860 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); | |
1861 | netif_addr_unlock_bh(netdev); | |
1862 | ||
1863 | schedule_work(&priv->set_rx_mode_work); | |
1864 | ||
1865 | return 0; | |
1866 | } | |
1867 | ||
1868 | static int mlx5e_set_features(struct net_device *netdev, | |
1869 | netdev_features_t features) | |
1870 | { | |
1871 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
98e81b0a | 1872 | int err = 0; |
f62b8bb8 | 1873 | netdev_features_t changes = features ^ netdev->features; |
f62b8bb8 AV |
1874 | |
1875 | mutex_lock(&priv->state_lock); | |
f62b8bb8 AV |
1876 | |
1877 | if (changes & NETIF_F_LRO) { | |
98e81b0a AS |
1878 | bool was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
1879 | ||
1880 | if (was_opened) | |
1881 | mlx5e_close_locked(priv->netdev); | |
f62b8bb8 | 1882 | |
98e81b0a | 1883 | priv->params.lro_en = !!(features & NETIF_F_LRO); |
5c50368f AS |
1884 | mlx5e_modify_tir_lro(priv, MLX5E_TT_IPV4_TCP); |
1885 | mlx5e_modify_tir_lro(priv, MLX5E_TT_IPV6_TCP); | |
98e81b0a AS |
1886 | |
1887 | if (was_opened) | |
1888 | err = mlx5e_open_locked(priv->netdev); | |
1889 | } | |
f62b8bb8 | 1890 | |
9b37b07f AS |
1891 | mutex_unlock(&priv->state_lock); |
1892 | ||
f62b8bb8 AV |
1893 | if (changes & NETIF_F_HW_VLAN_CTAG_FILTER) { |
1894 | if (features & NETIF_F_HW_VLAN_CTAG_FILTER) | |
1895 | mlx5e_enable_vlan_filter(priv); | |
1896 | else | |
1897 | mlx5e_disable_vlan_filter(priv); | |
1898 | } | |
1899 | ||
fe9f4fe5 | 1900 | return err; |
f62b8bb8 AV |
1901 | } |
1902 | ||
1903 | static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) | |
1904 | { | |
1905 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1906 | struct mlx5_core_dev *mdev = priv->mdev; | |
98e81b0a | 1907 | bool was_opened; |
f62b8bb8 | 1908 | int max_mtu; |
98e81b0a | 1909 | int err = 0; |
f62b8bb8 | 1910 | |
facc9699 | 1911 | mlx5_query_port_max_mtu(mdev, &max_mtu, 1); |
f62b8bb8 | 1912 | |
50a9eea6 DT |
1913 | max_mtu = MLX5E_HW2SW_MTU(max_mtu); |
1914 | ||
facc9699 SM |
1915 | if (new_mtu > max_mtu) { |
1916 | netdev_err(netdev, | |
1917 | "%s: Bad MTU (%d) > (%d) Max\n", | |
1918 | __func__, new_mtu, max_mtu); | |
f62b8bb8 AV |
1919 | return -EINVAL; |
1920 | } | |
1921 | ||
1922 | mutex_lock(&priv->state_lock); | |
98e81b0a AS |
1923 | |
1924 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); | |
1925 | if (was_opened) | |
1926 | mlx5e_close_locked(netdev); | |
1927 | ||
f62b8bb8 | 1928 | netdev->mtu = new_mtu; |
98e81b0a AS |
1929 | |
1930 | if (was_opened) | |
1931 | err = mlx5e_open_locked(netdev); | |
1932 | ||
f62b8bb8 AV |
1933 | mutex_unlock(&priv->state_lock); |
1934 | ||
1935 | return err; | |
1936 | } | |
1937 | ||
66e49ded SM |
1938 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
1939 | { | |
1940 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1941 | struct mlx5_core_dev *mdev = priv->mdev; | |
1942 | ||
1943 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); | |
1944 | } | |
1945 | ||
1946 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) | |
1947 | { | |
1948 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1949 | struct mlx5_core_dev *mdev = priv->mdev; | |
1950 | ||
1951 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, | |
1952 | vlan, qos); | |
1953 | } | |
1954 | ||
1955 | static int mlx5_vport_link2ifla(u8 esw_link) | |
1956 | { | |
1957 | switch (esw_link) { | |
1958 | case MLX5_ESW_VPORT_ADMIN_STATE_DOWN: | |
1959 | return IFLA_VF_LINK_STATE_DISABLE; | |
1960 | case MLX5_ESW_VPORT_ADMIN_STATE_UP: | |
1961 | return IFLA_VF_LINK_STATE_ENABLE; | |
1962 | } | |
1963 | return IFLA_VF_LINK_STATE_AUTO; | |
1964 | } | |
1965 | ||
1966 | static int mlx5_ifla_link2vport(u8 ifla_link) | |
1967 | { | |
1968 | switch (ifla_link) { | |
1969 | case IFLA_VF_LINK_STATE_DISABLE: | |
1970 | return MLX5_ESW_VPORT_ADMIN_STATE_DOWN; | |
1971 | case IFLA_VF_LINK_STATE_ENABLE: | |
1972 | return MLX5_ESW_VPORT_ADMIN_STATE_UP; | |
1973 | } | |
1974 | return MLX5_ESW_VPORT_ADMIN_STATE_AUTO; | |
1975 | } | |
1976 | ||
1977 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, | |
1978 | int link_state) | |
1979 | { | |
1980 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1981 | struct mlx5_core_dev *mdev = priv->mdev; | |
1982 | ||
1983 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, | |
1984 | mlx5_ifla_link2vport(link_state)); | |
1985 | } | |
1986 | ||
1987 | static int mlx5e_get_vf_config(struct net_device *dev, | |
1988 | int vf, struct ifla_vf_info *ivi) | |
1989 | { | |
1990 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1991 | struct mlx5_core_dev *mdev = priv->mdev; | |
1992 | int err; | |
1993 | ||
1994 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); | |
1995 | if (err) | |
1996 | return err; | |
1997 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); | |
1998 | return 0; | |
1999 | } | |
2000 | ||
2001 | static int mlx5e_get_vf_stats(struct net_device *dev, | |
2002 | int vf, struct ifla_vf_stats *vf_stats) | |
2003 | { | |
2004 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2005 | struct mlx5_core_dev *mdev = priv->mdev; | |
2006 | ||
2007 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, | |
2008 | vf_stats); | |
2009 | } | |
2010 | ||
f62b8bb8 AV |
2011 | static struct net_device_ops mlx5e_netdev_ops = { |
2012 | .ndo_open = mlx5e_open, | |
2013 | .ndo_stop = mlx5e_close, | |
2014 | .ndo_start_xmit = mlx5e_xmit, | |
2015 | .ndo_get_stats64 = mlx5e_get_stats, | |
2016 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
2017 | .ndo_set_mac_address = mlx5e_set_mac, | |
2018 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, | |
2019 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
2020 | .ndo_set_features = mlx5e_set_features, | |
66e49ded | 2021 | .ndo_change_mtu = mlx5e_change_mtu |
f62b8bb8 AV |
2022 | }; |
2023 | ||
2024 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) | |
2025 | { | |
2026 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) | |
2027 | return -ENOTSUPP; | |
2028 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || | |
2029 | !MLX5_CAP_GEN(mdev, nic_flow_table) || | |
2030 | !MLX5_CAP_ETH(mdev, csum_cap) || | |
2031 | !MLX5_CAP_ETH(mdev, max_lso_cap) || | |
2032 | !MLX5_CAP_ETH(mdev, vlan_cap) || | |
796a27ec GP |
2033 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
2034 | MLX5_CAP_FLOWTABLE(mdev, | |
2035 | flow_table_properties_nic_receive.max_ft_level) | |
2036 | < 3) { | |
f62b8bb8 AV |
2037 | mlx5_core_warn(mdev, |
2038 | "Not creating net device, some required device capabilities are missing\n"); | |
2039 | return -ENOTSUPP; | |
2040 | } | |
66189961 TT |
2041 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
2042 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); | |
2043 | ||
f62b8bb8 AV |
2044 | return 0; |
2045 | } | |
2046 | ||
58d52291 AS |
2047 | u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) |
2048 | { | |
2049 | int bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; | |
2050 | ||
2051 | return bf_buf_size - | |
2052 | sizeof(struct mlx5e_tx_wqe) + | |
2053 | 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; | |
2054 | } | |
2055 | ||
f62b8bb8 AV |
2056 | static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, |
2057 | struct net_device *netdev, | |
936896e9 | 2058 | int num_channels) |
f62b8bb8 AV |
2059 | { |
2060 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2d75b2bc | 2061 | int i; |
f62b8bb8 AV |
2062 | |
2063 | priv->params.log_sq_size = | |
2064 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; | |
2065 | priv->params.log_rq_size = | |
2066 | MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; | |
2067 | priv->params.rx_cq_moderation_usec = | |
2068 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; | |
2069 | priv->params.rx_cq_moderation_pkts = | |
2070 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; | |
2071 | priv->params.tx_cq_moderation_usec = | |
2072 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; | |
2073 | priv->params.tx_cq_moderation_pkts = | |
2074 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; | |
58d52291 | 2075 | priv->params.tx_max_inline = mlx5e_get_max_inline_cap(mdev); |
f62b8bb8 AV |
2076 | priv->params.min_rx_wqes = |
2077 | MLX5E_PARAMS_DEFAULT_MIN_RX_WQES; | |
f62b8bb8 AV |
2078 | priv->params.num_tc = 1; |
2079 | priv->params.default_vlan_prio = 0; | |
2be6967c | 2080 | priv->params.rss_hfunc = ETH_RSS_HASH_XOR; |
f62b8bb8 | 2081 | |
57afead5 AS |
2082 | netdev_rss_key_fill(priv->params.toeplitz_hash_key, |
2083 | sizeof(priv->params.toeplitz_hash_key)); | |
2084 | ||
2d75b2bc AS |
2085 | for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) |
2086 | priv->params.indirection_rqt[i] = i % num_channels; | |
2087 | ||
f62b8bb8 AV |
2088 | priv->params.lro_wqe_sz = |
2089 | MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; | |
2090 | ||
2091 | priv->mdev = mdev; | |
2092 | priv->netdev = netdev; | |
936896e9 | 2093 | priv->params.num_channels = num_channels; |
f62b8bb8 AV |
2094 | priv->default_vlan_prio = priv->params.default_vlan_prio; |
2095 | ||
2096 | spin_lock_init(&priv->async_events_spinlock); | |
2097 | mutex_init(&priv->state_lock); | |
2098 | ||
2099 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); | |
2100 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); | |
2101 | INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work); | |
2102 | } | |
2103 | ||
2104 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) | |
2105 | { | |
2106 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2107 | ||
e1d7d349 | 2108 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
108805fc SM |
2109 | if (is_zero_ether_addr(netdev->dev_addr) && |
2110 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { | |
2111 | eth_hw_addr_random(netdev); | |
2112 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); | |
2113 | } | |
f62b8bb8 AV |
2114 | } |
2115 | ||
2116 | static void mlx5e_build_netdev(struct net_device *netdev) | |
2117 | { | |
2118 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2119 | struct mlx5_core_dev *mdev = priv->mdev; | |
2120 | ||
2121 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); | |
2122 | ||
a4418a6c | 2123 | if (priv->params.num_tc > 1) |
f62b8bb8 | 2124 | mlx5e_netdev_ops.ndo_select_queue = mlx5e_select_queue; |
f62b8bb8 | 2125 | |
66e49ded SM |
2126 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
2127 | mlx5e_netdev_ops.ndo_set_vf_mac = mlx5e_set_vf_mac; | |
2128 | mlx5e_netdev_ops.ndo_set_vf_vlan = mlx5e_set_vf_vlan; | |
2129 | mlx5e_netdev_ops.ndo_get_vf_config = mlx5e_get_vf_config; | |
2130 | mlx5e_netdev_ops.ndo_set_vf_link_state = mlx5e_set_vf_link_state; | |
2131 | mlx5e_netdev_ops.ndo_get_vf_stats = mlx5e_get_vf_stats; | |
2132 | } | |
2133 | ||
f62b8bb8 AV |
2134 | netdev->netdev_ops = &mlx5e_netdev_ops; |
2135 | netdev->watchdog_timeo = 15 * HZ; | |
2136 | ||
2137 | netdev->ethtool_ops = &mlx5e_ethtool_ops; | |
2138 | ||
12be4b21 | 2139 | netdev->vlan_features |= NETIF_F_SG; |
f62b8bb8 AV |
2140 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
2141 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; | |
2142 | netdev->vlan_features |= NETIF_F_GRO; | |
2143 | netdev->vlan_features |= NETIF_F_TSO; | |
2144 | netdev->vlan_features |= NETIF_F_TSO6; | |
2145 | netdev->vlan_features |= NETIF_F_RXCSUM; | |
2146 | netdev->vlan_features |= NETIF_F_RXHASH; | |
2147 | ||
2148 | if (!!MLX5_CAP_ETH(mdev, lro_cap)) | |
2149 | netdev->vlan_features |= NETIF_F_LRO; | |
2150 | ||
2151 | netdev->hw_features = netdev->vlan_features; | |
e4cf27bd | 2152 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
f62b8bb8 AV |
2153 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
2154 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; | |
2155 | ||
2156 | netdev->features = netdev->hw_features; | |
2157 | if (!priv->params.lro_en) | |
2158 | netdev->features &= ~NETIF_F_LRO; | |
2159 | ||
2160 | netdev->features |= NETIF_F_HIGHDMA; | |
2161 | ||
2162 | netdev->priv_flags |= IFF_UNICAST_FLT; | |
2163 | ||
2164 | mlx5e_set_netdev_dev_addr(netdev); | |
2165 | } | |
2166 | ||
2167 | static int mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn, | |
2168 | struct mlx5_core_mr *mr) | |
2169 | { | |
2170 | struct mlx5_core_dev *mdev = priv->mdev; | |
2171 | struct mlx5_create_mkey_mbox_in *in; | |
2172 | int err; | |
2173 | ||
2174 | in = mlx5_vzalloc(sizeof(*in)); | |
2175 | if (!in) | |
2176 | return -ENOMEM; | |
2177 | ||
2178 | in->seg.flags = MLX5_PERM_LOCAL_WRITE | | |
2179 | MLX5_PERM_LOCAL_READ | | |
2180 | MLX5_ACCESS_MODE_PA; | |
2181 | in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); | |
2182 | in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); | |
2183 | ||
2184 | err = mlx5_core_create_mkey(mdev, mr, in, sizeof(*in), NULL, NULL, | |
2185 | NULL); | |
2186 | ||
2187 | kvfree(in); | |
2188 | ||
2189 | return err; | |
2190 | } | |
2191 | ||
2192 | static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) | |
2193 | { | |
2194 | struct net_device *netdev; | |
2195 | struct mlx5e_priv *priv; | |
3435ab59 | 2196 | int nch = mlx5e_get_max_num_channels(mdev); |
f62b8bb8 AV |
2197 | int err; |
2198 | ||
2199 | if (mlx5e_check_required_hca_cap(mdev)) | |
2200 | return NULL; | |
2201 | ||
936896e9 | 2202 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), nch, nch); |
f62b8bb8 AV |
2203 | if (!netdev) { |
2204 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); | |
2205 | return NULL; | |
2206 | } | |
2207 | ||
936896e9 | 2208 | mlx5e_build_netdev_priv(mdev, netdev, nch); |
f62b8bb8 AV |
2209 | mlx5e_build_netdev(netdev); |
2210 | ||
2211 | netif_carrier_off(netdev); | |
2212 | ||
2213 | priv = netdev_priv(netdev); | |
2214 | ||
2215 | err = mlx5_alloc_map_uar(mdev, &priv->cq_uar); | |
2216 | if (err) { | |
1f2a3003 | 2217 | mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); |
f62b8bb8 AV |
2218 | goto err_free_netdev; |
2219 | } | |
2220 | ||
2221 | err = mlx5_core_alloc_pd(mdev, &priv->pdn); | |
2222 | if (err) { | |
1f2a3003 | 2223 | mlx5_core_err(mdev, "alloc pd failed, %d\n", err); |
f62b8bb8 AV |
2224 | goto err_unmap_free_uar; |
2225 | } | |
2226 | ||
3191e05f AS |
2227 | err = mlx5_alloc_transport_domain(mdev, &priv->tdn); |
2228 | if (err) { | |
1f2a3003 | 2229 | mlx5_core_err(mdev, "alloc td failed, %d\n", err); |
3191e05f AS |
2230 | goto err_dealloc_pd; |
2231 | } | |
2232 | ||
f62b8bb8 AV |
2233 | err = mlx5e_create_mkey(priv, priv->pdn, &priv->mr); |
2234 | if (err) { | |
1f2a3003 | 2235 | mlx5_core_err(mdev, "create mkey failed, %d\n", err); |
3191e05f | 2236 | goto err_dealloc_transport_domain; |
f62b8bb8 AV |
2237 | } |
2238 | ||
40ab6a6e | 2239 | err = mlx5e_create_tises(priv); |
5c50368f | 2240 | if (err) { |
40ab6a6e | 2241 | mlx5_core_warn(mdev, "create tises failed, %d\n", err); |
5c50368f AS |
2242 | goto err_destroy_mkey; |
2243 | } | |
2244 | ||
2245 | err = mlx5e_open_drop_rq(priv); | |
2246 | if (err) { | |
2247 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); | |
40ab6a6e | 2248 | goto err_destroy_tises; |
5c50368f AS |
2249 | } |
2250 | ||
40ab6a6e | 2251 | err = mlx5e_create_rqt(priv, MLX5E_INDIRECTION_RQT); |
5c50368f | 2252 | if (err) { |
40ab6a6e | 2253 | mlx5_core_warn(mdev, "create rqt(INDIR) failed, %d\n", err); |
5c50368f AS |
2254 | goto err_close_drop_rq; |
2255 | } | |
2256 | ||
40ab6a6e | 2257 | err = mlx5e_create_rqt(priv, MLX5E_SINGLE_RQ_RQT); |
5c50368f | 2258 | if (err) { |
40ab6a6e AS |
2259 | mlx5_core_warn(mdev, "create rqt(SINGLE) failed, %d\n", err); |
2260 | goto err_destroy_rqt_indir; | |
5c50368f AS |
2261 | } |
2262 | ||
40ab6a6e | 2263 | err = mlx5e_create_tirs(priv); |
5c50368f | 2264 | if (err) { |
40ab6a6e AS |
2265 | mlx5_core_warn(mdev, "create tirs failed, %d\n", err); |
2266 | goto err_destroy_rqt_single; | |
5c50368f AS |
2267 | } |
2268 | ||
40ab6a6e | 2269 | err = mlx5e_create_flow_tables(priv); |
5c50368f | 2270 | if (err) { |
40ab6a6e AS |
2271 | mlx5_core_warn(mdev, "create flow tables failed, %d\n", err); |
2272 | goto err_destroy_tirs; | |
5c50368f AS |
2273 | } |
2274 | ||
2275 | mlx5e_init_eth_addr(priv); | |
2276 | ||
f62b8bb8 AV |
2277 | err = register_netdev(netdev); |
2278 | if (err) { | |
1f2a3003 | 2279 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); |
40ab6a6e | 2280 | goto err_destroy_flow_tables; |
f62b8bb8 AV |
2281 | } |
2282 | ||
2283 | mlx5e_enable_async_events(priv); | |
9b37b07f | 2284 | schedule_work(&priv->set_rx_mode_work); |
f62b8bb8 AV |
2285 | |
2286 | return priv; | |
2287 | ||
40ab6a6e AS |
2288 | err_destroy_flow_tables: |
2289 | mlx5e_destroy_flow_tables(priv); | |
5c50368f | 2290 | |
40ab6a6e AS |
2291 | err_destroy_tirs: |
2292 | mlx5e_destroy_tirs(priv); | |
5c50368f | 2293 | |
40ab6a6e AS |
2294 | err_destroy_rqt_single: |
2295 | mlx5e_destroy_rqt(priv, MLX5E_SINGLE_RQ_RQT); | |
5c50368f | 2296 | |
40ab6a6e AS |
2297 | err_destroy_rqt_indir: |
2298 | mlx5e_destroy_rqt(priv, MLX5E_INDIRECTION_RQT); | |
5c50368f AS |
2299 | |
2300 | err_close_drop_rq: | |
2301 | mlx5e_close_drop_rq(priv); | |
2302 | ||
40ab6a6e AS |
2303 | err_destroy_tises: |
2304 | mlx5e_destroy_tises(priv); | |
5c50368f | 2305 | |
f62b8bb8 AV |
2306 | err_destroy_mkey: |
2307 | mlx5_core_destroy_mkey(mdev, &priv->mr); | |
2308 | ||
3191e05f AS |
2309 | err_dealloc_transport_domain: |
2310 | mlx5_dealloc_transport_domain(mdev, priv->tdn); | |
2311 | ||
f62b8bb8 AV |
2312 | err_dealloc_pd: |
2313 | mlx5_core_dealloc_pd(mdev, priv->pdn); | |
2314 | ||
2315 | err_unmap_free_uar: | |
2316 | mlx5_unmap_free_uar(mdev, &priv->cq_uar); | |
2317 | ||
2318 | err_free_netdev: | |
2319 | free_netdev(netdev); | |
2320 | ||
2321 | return NULL; | |
2322 | } | |
2323 | ||
2324 | static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) | |
2325 | { | |
2326 | struct mlx5e_priv *priv = vpriv; | |
2327 | struct net_device *netdev = priv->netdev; | |
2328 | ||
9b37b07f AS |
2329 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); |
2330 | ||
2331 | schedule_work(&priv->set_rx_mode_work); | |
1cefa326 AS |
2332 | mlx5e_disable_async_events(priv); |
2333 | flush_scheduled_work(); | |
f62b8bb8 | 2334 | unregister_netdev(netdev); |
40ab6a6e AS |
2335 | mlx5e_destroy_flow_tables(priv); |
2336 | mlx5e_destroy_tirs(priv); | |
2337 | mlx5e_destroy_rqt(priv, MLX5E_SINGLE_RQ_RQT); | |
2338 | mlx5e_destroy_rqt(priv, MLX5E_INDIRECTION_RQT); | |
5c50368f | 2339 | mlx5e_close_drop_rq(priv); |
40ab6a6e | 2340 | mlx5e_destroy_tises(priv); |
f62b8bb8 | 2341 | mlx5_core_destroy_mkey(priv->mdev, &priv->mr); |
3191e05f | 2342 | mlx5_dealloc_transport_domain(priv->mdev, priv->tdn); |
f62b8bb8 AV |
2343 | mlx5_core_dealloc_pd(priv->mdev, priv->pdn); |
2344 | mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); | |
f62b8bb8 AV |
2345 | free_netdev(netdev); |
2346 | } | |
2347 | ||
2348 | static void *mlx5e_get_netdev(void *vpriv) | |
2349 | { | |
2350 | struct mlx5e_priv *priv = vpriv; | |
2351 | ||
2352 | return priv->netdev; | |
2353 | } | |
2354 | ||
2355 | static struct mlx5_interface mlx5e_interface = { | |
2356 | .add = mlx5e_create_netdev, | |
2357 | .remove = mlx5e_destroy_netdev, | |
2358 | .event = mlx5e_async_event, | |
2359 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, | |
2360 | .get_dev = mlx5e_get_netdev, | |
2361 | }; | |
2362 | ||
2363 | void mlx5e_init(void) | |
2364 | { | |
2365 | mlx5_register_interface(&mlx5e_interface); | |
2366 | } | |
2367 | ||
2368 | void mlx5e_cleanup(void) | |
2369 | { | |
2370 | mlx5_unregister_interface(&mlx5e_interface); | |
2371 | } |