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f62b8bb8 | 1 | /* |
b3f63c3d | 2 | * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. |
f62b8bb8 AV |
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 | ||
e8f887ac AV |
33 | #include <net/tc_act/tc_gact.h> |
34 | #include <net/pkt_cls.h> | |
86d722ad | 35 | #include <linux/mlx5/fs.h> |
b3f63c3d | 36 | #include <net/vxlan.h> |
f62b8bb8 | 37 | #include "en.h" |
e8f887ac | 38 | #include "en_tc.h" |
66e49ded | 39 | #include "eswitch.h" |
b3f63c3d | 40 | #include "vxlan.h" |
f62b8bb8 AV |
41 | |
42 | struct mlx5e_rq_param { | |
43 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; | |
44 | struct mlx5_wq_param wq; | |
45 | }; | |
46 | ||
47 | struct mlx5e_sq_param { | |
48 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; | |
49 | struct mlx5_wq_param wq; | |
58d52291 | 50 | u16 max_inline; |
d3c9bc27 | 51 | bool icosq; |
f62b8bb8 AV |
52 | }; |
53 | ||
54 | struct mlx5e_cq_param { | |
55 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; | |
56 | struct mlx5_wq_param wq; | |
57 | u16 eq_ix; | |
58 | }; | |
59 | ||
60 | struct mlx5e_channel_param { | |
61 | struct mlx5e_rq_param rq; | |
62 | struct mlx5e_sq_param sq; | |
d3c9bc27 | 63 | struct mlx5e_sq_param icosq; |
f62b8bb8 AV |
64 | struct mlx5e_cq_param rx_cq; |
65 | struct mlx5e_cq_param tx_cq; | |
d3c9bc27 | 66 | struct mlx5e_cq_param icosq_cq; |
f62b8bb8 AV |
67 | }; |
68 | ||
69 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) | |
70 | { | |
71 | struct mlx5_core_dev *mdev = priv->mdev; | |
72 | u8 port_state; | |
73 | ||
74 | port_state = mlx5_query_vport_state(mdev, | |
e7546514 | 75 | MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0); |
f62b8bb8 AV |
76 | |
77 | if (port_state == VPORT_STATE_UP) | |
78 | netif_carrier_on(priv->netdev); | |
79 | else | |
80 | netif_carrier_off(priv->netdev); | |
81 | } | |
82 | ||
83 | static void mlx5e_update_carrier_work(struct work_struct *work) | |
84 | { | |
85 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, | |
86 | update_carrier_work); | |
87 | ||
88 | mutex_lock(&priv->state_lock); | |
89 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
90 | mlx5e_update_carrier(priv); | |
91 | mutex_unlock(&priv->state_lock); | |
92 | } | |
93 | ||
9218b44d | 94 | static void mlx5e_update_sw_counters(struct mlx5e_priv *priv) |
f62b8bb8 | 95 | { |
9218b44d | 96 | struct mlx5e_sw_stats *s = &priv->stats.sw; |
f62b8bb8 AV |
97 | struct mlx5e_rq_stats *rq_stats; |
98 | struct mlx5e_sq_stats *sq_stats; | |
9218b44d | 99 | u64 tx_offload_none = 0; |
f62b8bb8 AV |
100 | int i, j; |
101 | ||
9218b44d | 102 | memset(s, 0, sizeof(*s)); |
f62b8bb8 AV |
103 | for (i = 0; i < priv->params.num_channels; i++) { |
104 | rq_stats = &priv->channel[i]->rq.stats; | |
105 | ||
faf4478b GP |
106 | s->rx_packets += rq_stats->packets; |
107 | s->rx_bytes += rq_stats->bytes; | |
f62b8bb8 AV |
108 | s->lro_packets += rq_stats->lro_packets; |
109 | s->lro_bytes += rq_stats->lro_bytes; | |
110 | s->rx_csum_none += rq_stats->csum_none; | |
bbceefce | 111 | s->rx_csum_sw += rq_stats->csum_sw; |
1b223dd3 | 112 | s->rx_csum_inner += rq_stats->csum_inner; |
f62b8bb8 | 113 | s->rx_wqe_err += rq_stats->wqe_err; |
461017cb | 114 | s->rx_mpwqe_filler += rq_stats->mpwqe_filler; |
bc77b240 | 115 | s->rx_mpwqe_frag += rq_stats->mpwqe_frag; |
54984407 | 116 | s->rx_buff_alloc_err += rq_stats->buff_alloc_err; |
7219ab34 TT |
117 | s->rx_cqe_compress_blks += rq_stats->cqe_compress_blks; |
118 | s->rx_cqe_compress_pkts += rq_stats->cqe_compress_pkts; | |
f62b8bb8 | 119 | |
a4418a6c | 120 | for (j = 0; j < priv->params.num_tc; j++) { |
f62b8bb8 AV |
121 | sq_stats = &priv->channel[i]->sq[j].stats; |
122 | ||
faf4478b GP |
123 | s->tx_packets += sq_stats->packets; |
124 | s->tx_bytes += sq_stats->bytes; | |
f62b8bb8 AV |
125 | s->tso_packets += sq_stats->tso_packets; |
126 | s->tso_bytes += sq_stats->tso_bytes; | |
89db09eb MF |
127 | s->tso_inner_packets += sq_stats->tso_inner_packets; |
128 | s->tso_inner_bytes += sq_stats->tso_inner_bytes; | |
f62b8bb8 AV |
129 | s->tx_queue_stopped += sq_stats->stopped; |
130 | s->tx_queue_wake += sq_stats->wake; | |
131 | s->tx_queue_dropped += sq_stats->dropped; | |
89db09eb | 132 | s->tx_csum_inner += sq_stats->csum_offload_inner; |
f62b8bb8 AV |
133 | tx_offload_none += sq_stats->csum_offload_none; |
134 | } | |
135 | } | |
136 | ||
9218b44d GP |
137 | /* Update calculated offload counters */ |
138 | s->tx_csum_offload = s->tx_packets - tx_offload_none - s->tx_csum_inner; | |
139 | s->rx_csum_good = s->rx_packets - s->rx_csum_none - | |
140 | s->rx_csum_sw; | |
121fcdc8 GP |
141 | |
142 | s->link_down_events = MLX5_GET(ppcnt_reg, | |
143 | priv->stats.pport.phy_counters, | |
144 | counter_set.phys_layer_cntrs.link_down_events); | |
9218b44d GP |
145 | } |
146 | ||
147 | static void mlx5e_update_vport_counters(struct mlx5e_priv *priv) | |
148 | { | |
149 | int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); | |
150 | u32 *out = (u32 *)priv->stats.vport.query_vport_out; | |
151 | u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)]; | |
152 | struct mlx5_core_dev *mdev = priv->mdev; | |
153 | ||
f62b8bb8 AV |
154 | memset(in, 0, sizeof(in)); |
155 | ||
156 | MLX5_SET(query_vport_counter_in, in, opcode, | |
157 | MLX5_CMD_OP_QUERY_VPORT_COUNTER); | |
158 | MLX5_SET(query_vport_counter_in, in, op_mod, 0); | |
159 | MLX5_SET(query_vport_counter_in, in, other_vport, 0); | |
160 | ||
161 | memset(out, 0, outlen); | |
162 | ||
9218b44d GP |
163 | mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen); |
164 | } | |
165 | ||
166 | static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) | |
167 | { | |
168 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; | |
169 | struct mlx5_core_dev *mdev = priv->mdev; | |
170 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); | |
cf678570 | 171 | int prio; |
9218b44d GP |
172 | void *out; |
173 | u32 *in; | |
174 | ||
175 | in = mlx5_vzalloc(sz); | |
176 | if (!in) | |
f62b8bb8 AV |
177 | goto free_out; |
178 | ||
9218b44d | 179 | MLX5_SET(ppcnt_reg, in, local_port, 1); |
f62b8bb8 | 180 | |
9218b44d GP |
181 | out = pstats->IEEE_802_3_counters; |
182 | MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); | |
183 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
f62b8bb8 | 184 | |
9218b44d GP |
185 | out = pstats->RFC_2863_counters; |
186 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); | |
187 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
188 | ||
189 | out = pstats->RFC_2819_counters; | |
190 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); | |
191 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
593cf338 | 192 | |
121fcdc8 GP |
193 | out = pstats->phy_counters; |
194 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); | |
195 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
196 | ||
cf678570 GP |
197 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP); |
198 | for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { | |
199 | out = pstats->per_prio_counters[prio]; | |
200 | MLX5_SET(ppcnt_reg, in, prio_tc, prio); | |
201 | mlx5_core_access_reg(mdev, in, sz, out, sz, | |
202 | MLX5_REG_PPCNT, 0, 0); | |
203 | } | |
204 | ||
f62b8bb8 | 205 | free_out: |
9218b44d GP |
206 | kvfree(in); |
207 | } | |
208 | ||
209 | static void mlx5e_update_q_counter(struct mlx5e_priv *priv) | |
210 | { | |
211 | struct mlx5e_qcounter_stats *qcnt = &priv->stats.qcnt; | |
212 | ||
213 | if (!priv->q_counter) | |
214 | return; | |
215 | ||
216 | mlx5_core_query_out_of_buffer(priv->mdev, priv->q_counter, | |
217 | &qcnt->rx_out_of_buffer); | |
218 | } | |
219 | ||
220 | void mlx5e_update_stats(struct mlx5e_priv *priv) | |
221 | { | |
9218b44d GP |
222 | mlx5e_update_q_counter(priv); |
223 | mlx5e_update_vport_counters(priv); | |
224 | mlx5e_update_pport_counters(priv); | |
121fcdc8 | 225 | mlx5e_update_sw_counters(priv); |
f62b8bb8 AV |
226 | } |
227 | ||
228 | static void mlx5e_update_stats_work(struct work_struct *work) | |
229 | { | |
230 | struct delayed_work *dwork = to_delayed_work(work); | |
231 | struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv, | |
232 | update_stats_work); | |
233 | mutex_lock(&priv->state_lock); | |
234 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { | |
235 | mlx5e_update_stats(priv); | |
7bb29755 MF |
236 | queue_delayed_work(priv->wq, dwork, |
237 | msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); | |
f62b8bb8 AV |
238 | } |
239 | mutex_unlock(&priv->state_lock); | |
240 | } | |
241 | ||
daa21560 TT |
242 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, |
243 | enum mlx5_dev_event event, unsigned long param) | |
f62b8bb8 | 244 | { |
daa21560 TT |
245 | struct mlx5e_priv *priv = vpriv; |
246 | ||
247 | if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state)) | |
248 | return; | |
249 | ||
f62b8bb8 AV |
250 | switch (event) { |
251 | case MLX5_DEV_EVENT_PORT_UP: | |
252 | case MLX5_DEV_EVENT_PORT_DOWN: | |
7bb29755 | 253 | queue_work(priv->wq, &priv->update_carrier_work); |
f62b8bb8 AV |
254 | break; |
255 | ||
256 | default: | |
257 | break; | |
258 | } | |
259 | } | |
260 | ||
f62b8bb8 AV |
261 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) |
262 | { | |
263 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); | |
264 | } | |
265 | ||
266 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) | |
267 | { | |
f62b8bb8 | 268 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); |
daa21560 | 269 | synchronize_irq(mlx5_get_msix_vec(priv->mdev, MLX5_EQ_VEC_ASYNC)); |
f62b8bb8 AV |
270 | } |
271 | ||
facc9699 SM |
272 | #define MLX5E_HW2SW_MTU(hwmtu) (hwmtu - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
273 | #define MLX5E_SW2HW_MTU(swmtu) (swmtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) | |
274 | ||
f62b8bb8 AV |
275 | static int mlx5e_create_rq(struct mlx5e_channel *c, |
276 | struct mlx5e_rq_param *param, | |
277 | struct mlx5e_rq *rq) | |
278 | { | |
279 | struct mlx5e_priv *priv = c->priv; | |
280 | struct mlx5_core_dev *mdev = priv->mdev; | |
281 | void *rqc = param->rqc; | |
282 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
461017cb | 283 | u32 byte_count; |
f62b8bb8 AV |
284 | int wq_sz; |
285 | int err; | |
286 | int i; | |
287 | ||
311c7c71 SM |
288 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
289 | ||
f62b8bb8 AV |
290 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
291 | &rq->wq_ctrl); | |
292 | if (err) | |
293 | return err; | |
294 | ||
295 | rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; | |
296 | ||
297 | wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
f62b8bb8 | 298 | |
461017cb TT |
299 | switch (priv->params.rq_wq_type) { |
300 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
301 | rq->wqe_info = kzalloc_node(wq_sz * sizeof(*rq->wqe_info), | |
302 | GFP_KERNEL, cpu_to_node(c->cpu)); | |
303 | if (!rq->wqe_info) { | |
304 | err = -ENOMEM; | |
305 | goto err_rq_wq_destroy; | |
306 | } | |
307 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe_mpwrq; | |
308 | rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; | |
309 | ||
d9d9f156 TT |
310 | rq->mpwqe_stride_sz = BIT(priv->params.mpwqe_log_stride_sz); |
311 | rq->mpwqe_num_strides = BIT(priv->params.mpwqe_log_num_strides); | |
312 | rq->wqe_sz = rq->mpwqe_stride_sz * rq->mpwqe_num_strides; | |
461017cb TT |
313 | byte_count = rq->wqe_sz; |
314 | break; | |
315 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
316 | rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL, | |
317 | cpu_to_node(c->cpu)); | |
318 | if (!rq->skb) { | |
319 | err = -ENOMEM; | |
320 | goto err_rq_wq_destroy; | |
321 | } | |
322 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe; | |
323 | rq->alloc_wqe = mlx5e_alloc_rx_wqe; | |
324 | ||
325 | rq->wqe_sz = (priv->params.lro_en) ? | |
326 | priv->params.lro_wqe_sz : | |
327 | MLX5E_SW2HW_MTU(priv->netdev->mtu); | |
c5adb96f TT |
328 | rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz); |
329 | byte_count = rq->wqe_sz; | |
461017cb TT |
330 | byte_count |= MLX5_HW_START_PADDING; |
331 | } | |
f62b8bb8 AV |
332 | |
333 | for (i = 0; i < wq_sz; i++) { | |
334 | struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); | |
335 | ||
461017cb | 336 | wqe->data.byte_count = cpu_to_be32(byte_count); |
f62b8bb8 AV |
337 | } |
338 | ||
461017cb | 339 | rq->wq_type = priv->params.rq_wq_type; |
f62b8bb8 AV |
340 | rq->pdev = c->pdev; |
341 | rq->netdev = c->netdev; | |
ef9814de | 342 | rq->tstamp = &priv->tstamp; |
f62b8bb8 AV |
343 | rq->channel = c; |
344 | rq->ix = c->ix; | |
50cfa25a | 345 | rq->priv = c->priv; |
bc77b240 TT |
346 | rq->mkey_be = c->mkey_be; |
347 | rq->umr_mkey_be = cpu_to_be32(c->priv->umr_mkey.key); | |
f62b8bb8 AV |
348 | |
349 | return 0; | |
350 | ||
351 | err_rq_wq_destroy: | |
352 | mlx5_wq_destroy(&rq->wq_ctrl); | |
353 | ||
354 | return err; | |
355 | } | |
356 | ||
357 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) | |
358 | { | |
461017cb TT |
359 | switch (rq->wq_type) { |
360 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
361 | kfree(rq->wqe_info); | |
362 | break; | |
363 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
364 | kfree(rq->skb); | |
365 | } | |
366 | ||
f62b8bb8 AV |
367 | mlx5_wq_destroy(&rq->wq_ctrl); |
368 | } | |
369 | ||
370 | static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) | |
371 | { | |
50cfa25a | 372 | struct mlx5e_priv *priv = rq->priv; |
f62b8bb8 AV |
373 | struct mlx5_core_dev *mdev = priv->mdev; |
374 | ||
375 | void *in; | |
376 | void *rqc; | |
377 | void *wq; | |
378 | int inlen; | |
379 | int err; | |
380 | ||
381 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + | |
382 | sizeof(u64) * rq->wq_ctrl.buf.npages; | |
383 | in = mlx5_vzalloc(inlen); | |
384 | if (!in) | |
385 | return -ENOMEM; | |
386 | ||
387 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
388 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
389 | ||
390 | memcpy(rqc, param->rqc, sizeof(param->rqc)); | |
391 | ||
97de9f31 | 392 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
f62b8bb8 AV |
393 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
394 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
36350114 | 395 | MLX5_SET(rqc, rqc, vsd, priv->params.vlan_strip_disable); |
f62b8bb8 | 396 | MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - |
68cdf5d6 | 397 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
398 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
399 | ||
400 | mlx5_fill_page_array(&rq->wq_ctrl.buf, | |
401 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
402 | ||
7db22ffb | 403 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
f62b8bb8 AV |
404 | |
405 | kvfree(in); | |
406 | ||
407 | return err; | |
408 | } | |
409 | ||
36350114 GP |
410 | static int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, |
411 | int next_state) | |
f62b8bb8 AV |
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 | ||
36350114 GP |
439 | static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd) |
440 | { | |
441 | struct mlx5e_channel *c = rq->channel; | |
442 | struct mlx5e_priv *priv = c->priv; | |
443 | struct mlx5_core_dev *mdev = priv->mdev; | |
444 | ||
445 | void *in; | |
446 | void *rqc; | |
447 | int inlen; | |
448 | int err; | |
449 | ||
450 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
451 | in = mlx5_vzalloc(inlen); | |
452 | if (!in) | |
453 | return -ENOMEM; | |
454 | ||
455 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
456 | ||
457 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); | |
458 | MLX5_SET64(modify_rq_in, in, modify_bitmask, MLX5_RQ_BITMASK_VSD); | |
459 | MLX5_SET(rqc, rqc, vsd, vsd); | |
460 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); | |
461 | ||
462 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); | |
463 | ||
464 | kvfree(in); | |
465 | ||
466 | return err; | |
467 | } | |
468 | ||
f62b8bb8 AV |
469 | static void mlx5e_disable_rq(struct mlx5e_rq *rq) |
470 | { | |
50cfa25a | 471 | mlx5_core_destroy_rq(rq->priv->mdev, rq->rqn); |
f62b8bb8 AV |
472 | } |
473 | ||
474 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) | |
475 | { | |
01c196a2 | 476 | unsigned long exp_time = jiffies + msecs_to_jiffies(20000); |
f62b8bb8 AV |
477 | struct mlx5e_channel *c = rq->channel; |
478 | struct mlx5e_priv *priv = c->priv; | |
479 | struct mlx5_wq_ll *wq = &rq->wq; | |
f62b8bb8 | 480 | |
01c196a2 | 481 | while (time_before(jiffies, exp_time)) { |
f62b8bb8 AV |
482 | if (wq->cur_sz >= priv->params.min_rx_wqes) |
483 | return 0; | |
484 | ||
485 | msleep(20); | |
486 | } | |
487 | ||
488 | return -ETIMEDOUT; | |
489 | } | |
490 | ||
491 | static int mlx5e_open_rq(struct mlx5e_channel *c, | |
492 | struct mlx5e_rq_param *param, | |
493 | struct mlx5e_rq *rq) | |
494 | { | |
d3c9bc27 TT |
495 | struct mlx5e_sq *sq = &c->icosq; |
496 | u16 pi = sq->pc & sq->wq.sz_m1; | |
f62b8bb8 AV |
497 | int err; |
498 | ||
499 | err = mlx5e_create_rq(c, param, rq); | |
500 | if (err) | |
501 | return err; | |
502 | ||
503 | err = mlx5e_enable_rq(rq, param); | |
504 | if (err) | |
505 | goto err_destroy_rq; | |
506 | ||
36350114 | 507 | err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); |
f62b8bb8 AV |
508 | if (err) |
509 | goto err_disable_rq; | |
510 | ||
511 | set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); | |
d3c9bc27 TT |
512 | |
513 | sq->ico_wqe_info[pi].opcode = MLX5_OPCODE_NOP; | |
514 | sq->ico_wqe_info[pi].num_wqebbs = 1; | |
515 | mlx5e_send_nop(sq, true); /* trigger mlx5e_post_rx_wqes() */ | |
f62b8bb8 AV |
516 | |
517 | return 0; | |
518 | ||
519 | err_disable_rq: | |
520 | mlx5e_disable_rq(rq); | |
521 | err_destroy_rq: | |
522 | mlx5e_destroy_rq(rq); | |
523 | ||
524 | return err; | |
525 | } | |
526 | ||
527 | static void mlx5e_close_rq(struct mlx5e_rq *rq) | |
528 | { | |
529 | clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); | |
530 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ | |
531 | ||
36350114 | 532 | mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); |
f62b8bb8 AV |
533 | while (!mlx5_wq_ll_is_empty(&rq->wq)) |
534 | msleep(20); | |
535 | ||
536 | /* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */ | |
537 | napi_synchronize(&rq->channel->napi); | |
538 | ||
539 | mlx5e_disable_rq(rq); | |
540 | mlx5e_destroy_rq(rq); | |
541 | } | |
542 | ||
543 | static void mlx5e_free_sq_db(struct mlx5e_sq *sq) | |
544 | { | |
34802a42 | 545 | kfree(sq->wqe_info); |
f62b8bb8 AV |
546 | kfree(sq->dma_fifo); |
547 | kfree(sq->skb); | |
548 | } | |
549 | ||
550 | static int mlx5e_alloc_sq_db(struct mlx5e_sq *sq, int numa) | |
551 | { | |
552 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
553 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; | |
554 | ||
555 | sq->skb = kzalloc_node(wq_sz * sizeof(*sq->skb), GFP_KERNEL, numa); | |
556 | sq->dma_fifo = kzalloc_node(df_sz * sizeof(*sq->dma_fifo), GFP_KERNEL, | |
557 | numa); | |
34802a42 AS |
558 | sq->wqe_info = kzalloc_node(wq_sz * sizeof(*sq->wqe_info), GFP_KERNEL, |
559 | numa); | |
f62b8bb8 | 560 | |
34802a42 | 561 | if (!sq->skb || !sq->dma_fifo || !sq->wqe_info) { |
f62b8bb8 AV |
562 | mlx5e_free_sq_db(sq); |
563 | return -ENOMEM; | |
564 | } | |
565 | ||
566 | sq->dma_fifo_mask = df_sz - 1; | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | static int mlx5e_create_sq(struct mlx5e_channel *c, | |
572 | int tc, | |
573 | struct mlx5e_sq_param *param, | |
574 | struct mlx5e_sq *sq) | |
575 | { | |
576 | struct mlx5e_priv *priv = c->priv; | |
577 | struct mlx5_core_dev *mdev = priv->mdev; | |
578 | ||
579 | void *sqc = param->sqc; | |
580 | void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
581 | int err; | |
582 | ||
0ba42241 | 583 | err = mlx5_alloc_map_uar(mdev, &sq->uar, true); |
f62b8bb8 AV |
584 | if (err) |
585 | return err; | |
586 | ||
311c7c71 SM |
587 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
588 | ||
f62b8bb8 AV |
589 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, |
590 | &sq->wq_ctrl); | |
591 | if (err) | |
592 | goto err_unmap_free_uar; | |
593 | ||
594 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; | |
0ba42241 ML |
595 | if (sq->uar.bf_map) { |
596 | set_bit(MLX5E_SQ_STATE_BF_ENABLE, &sq->state); | |
597 | sq->uar_map = sq->uar.bf_map; | |
598 | } else { | |
599 | sq->uar_map = sq->uar.map; | |
600 | } | |
f62b8bb8 | 601 | sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; |
58d52291 | 602 | sq->max_inline = param->max_inline; |
f62b8bb8 | 603 | |
7ec0bb22 DC |
604 | err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu)); |
605 | if (err) | |
f62b8bb8 AV |
606 | goto err_sq_wq_destroy; |
607 | ||
d3c9bc27 TT |
608 | if (param->icosq) { |
609 | u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
610 | ||
611 | sq->ico_wqe_info = kzalloc_node(sizeof(*sq->ico_wqe_info) * | |
612 | wq_sz, | |
613 | GFP_KERNEL, | |
614 | cpu_to_node(c->cpu)); | |
615 | if (!sq->ico_wqe_info) { | |
616 | err = -ENOMEM; | |
617 | goto err_free_sq_db; | |
618 | } | |
619 | } else { | |
620 | int txq_ix; | |
621 | ||
622 | txq_ix = c->ix + tc * priv->params.num_channels; | |
623 | sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix); | |
624 | priv->txq_to_sq_map[txq_ix] = sq; | |
625 | } | |
f62b8bb8 | 626 | |
88a85f99 | 627 | sq->pdev = c->pdev; |
ef9814de | 628 | sq->tstamp = &priv->tstamp; |
88a85f99 AS |
629 | sq->mkey_be = c->mkey_be; |
630 | sq->channel = c; | |
631 | sq->tc = tc; | |
632 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS; | |
633 | sq->bf_budget = MLX5E_SQ_BF_BUDGET; | |
f62b8bb8 AV |
634 | |
635 | return 0; | |
636 | ||
d3c9bc27 TT |
637 | err_free_sq_db: |
638 | mlx5e_free_sq_db(sq); | |
639 | ||
f62b8bb8 AV |
640 | err_sq_wq_destroy: |
641 | mlx5_wq_destroy(&sq->wq_ctrl); | |
642 | ||
643 | err_unmap_free_uar: | |
644 | mlx5_unmap_free_uar(mdev, &sq->uar); | |
645 | ||
646 | return err; | |
647 | } | |
648 | ||
649 | static void mlx5e_destroy_sq(struct mlx5e_sq *sq) | |
650 | { | |
651 | struct mlx5e_channel *c = sq->channel; | |
652 | struct mlx5e_priv *priv = c->priv; | |
653 | ||
d3c9bc27 | 654 | kfree(sq->ico_wqe_info); |
f62b8bb8 AV |
655 | mlx5e_free_sq_db(sq); |
656 | mlx5_wq_destroy(&sq->wq_ctrl); | |
657 | mlx5_unmap_free_uar(priv->mdev, &sq->uar); | |
658 | } | |
659 | ||
660 | static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) | |
661 | { | |
662 | struct mlx5e_channel *c = sq->channel; | |
663 | struct mlx5e_priv *priv = c->priv; | |
664 | struct mlx5_core_dev *mdev = priv->mdev; | |
665 | ||
666 | void *in; | |
667 | void *sqc; | |
668 | void *wq; | |
669 | int inlen; | |
670 | int err; | |
671 | ||
672 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + | |
673 | sizeof(u64) * sq->wq_ctrl.buf.npages; | |
674 | in = mlx5_vzalloc(inlen); | |
675 | if (!in) | |
676 | return -ENOMEM; | |
677 | ||
678 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
679 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
680 | ||
681 | memcpy(sqc, param->sqc, sizeof(param->sqc)); | |
682 | ||
d3c9bc27 TT |
683 | MLX5_SET(sqc, sqc, tis_num_0, param->icosq ? 0 : priv->tisn[sq->tc]); |
684 | MLX5_SET(sqc, sqc, cqn, sq->cq.mcq.cqn); | |
f62b8bb8 | 685 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); |
d3c9bc27 | 686 | MLX5_SET(sqc, sqc, tis_lst_sz, param->icosq ? 0 : 1); |
f62b8bb8 AV |
687 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); |
688 | ||
689 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
690 | MLX5_SET(wq, wq, uar_page, sq->uar.index); | |
691 | MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift - | |
68cdf5d6 | 692 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
693 | MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); |
694 | ||
695 | mlx5_fill_page_array(&sq->wq_ctrl.buf, | |
696 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
697 | ||
7db22ffb | 698 | err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); |
f62b8bb8 AV |
699 | |
700 | kvfree(in); | |
701 | ||
702 | return err; | |
703 | } | |
704 | ||
705 | static int mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state) | |
706 | { | |
707 | struct mlx5e_channel *c = sq->channel; | |
708 | struct mlx5e_priv *priv = c->priv; | |
709 | struct mlx5_core_dev *mdev = priv->mdev; | |
710 | ||
711 | void *in; | |
712 | void *sqc; | |
713 | int inlen; | |
714 | int err; | |
715 | ||
716 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
717 | in = mlx5_vzalloc(inlen); | |
718 | if (!in) | |
719 | return -ENOMEM; | |
720 | ||
721 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
722 | ||
723 | MLX5_SET(modify_sq_in, in, sq_state, curr_state); | |
724 | MLX5_SET(sqc, sqc, state, next_state); | |
725 | ||
7db22ffb | 726 | err = mlx5_core_modify_sq(mdev, sq->sqn, in, inlen); |
f62b8bb8 AV |
727 | |
728 | kvfree(in); | |
729 | ||
730 | return err; | |
731 | } | |
732 | ||
733 | static void mlx5e_disable_sq(struct mlx5e_sq *sq) | |
734 | { | |
735 | struct mlx5e_channel *c = sq->channel; | |
736 | struct mlx5e_priv *priv = c->priv; | |
737 | struct mlx5_core_dev *mdev = priv->mdev; | |
738 | ||
7db22ffb | 739 | mlx5_core_destroy_sq(mdev, sq->sqn); |
f62b8bb8 AV |
740 | } |
741 | ||
742 | static int mlx5e_open_sq(struct mlx5e_channel *c, | |
743 | int tc, | |
744 | struct mlx5e_sq_param *param, | |
745 | struct mlx5e_sq *sq) | |
746 | { | |
747 | int err; | |
748 | ||
749 | err = mlx5e_create_sq(c, tc, param, sq); | |
750 | if (err) | |
751 | return err; | |
752 | ||
753 | err = mlx5e_enable_sq(sq, param); | |
754 | if (err) | |
755 | goto err_destroy_sq; | |
756 | ||
757 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY); | |
758 | if (err) | |
759 | goto err_disable_sq; | |
760 | ||
d3c9bc27 TT |
761 | if (sq->txq) { |
762 | set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); | |
763 | netdev_tx_reset_queue(sq->txq); | |
764 | netif_tx_start_queue(sq->txq); | |
765 | } | |
f62b8bb8 AV |
766 | |
767 | return 0; | |
768 | ||
769 | err_disable_sq: | |
770 | mlx5e_disable_sq(sq); | |
771 | err_destroy_sq: | |
772 | mlx5e_destroy_sq(sq); | |
773 | ||
774 | return err; | |
775 | } | |
776 | ||
777 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) | |
778 | { | |
779 | __netif_tx_lock_bh(txq); | |
780 | netif_tx_stop_queue(txq); | |
781 | __netif_tx_unlock_bh(txq); | |
782 | } | |
783 | ||
784 | static void mlx5e_close_sq(struct mlx5e_sq *sq) | |
785 | { | |
d3c9bc27 TT |
786 | if (sq->txq) { |
787 | clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); | |
788 | /* prevent netif_tx_wake_queue */ | |
789 | napi_synchronize(&sq->channel->napi); | |
790 | netif_tx_disable_queue(sq->txq); | |
f62b8bb8 | 791 | |
d3c9bc27 TT |
792 | /* ensure hw is notified of all pending wqes */ |
793 | if (mlx5e_sq_has_room_for(sq, 1)) | |
794 | mlx5e_send_nop(sq, true); | |
795 | ||
796 | mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR); | |
797 | } | |
f62b8bb8 | 798 | |
f62b8bb8 AV |
799 | while (sq->cc != sq->pc) /* wait till sq is empty */ |
800 | msleep(20); | |
801 | ||
802 | /* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */ | |
803 | napi_synchronize(&sq->channel->napi); | |
804 | ||
805 | mlx5e_disable_sq(sq); | |
806 | mlx5e_destroy_sq(sq); | |
807 | } | |
808 | ||
809 | static int mlx5e_create_cq(struct mlx5e_channel *c, | |
810 | struct mlx5e_cq_param *param, | |
811 | struct mlx5e_cq *cq) | |
812 | { | |
813 | struct mlx5e_priv *priv = c->priv; | |
814 | struct mlx5_core_dev *mdev = priv->mdev; | |
815 | struct mlx5_core_cq *mcq = &cq->mcq; | |
816 | int eqn_not_used; | |
0b6e26ce | 817 | unsigned int irqn; |
f62b8bb8 AV |
818 | int err; |
819 | u32 i; | |
820 | ||
311c7c71 SM |
821 | param->wq.buf_numa_node = cpu_to_node(c->cpu); |
822 | param->wq.db_numa_node = cpu_to_node(c->cpu); | |
f62b8bb8 AV |
823 | param->eq_ix = c->ix; |
824 | ||
825 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, | |
826 | &cq->wq_ctrl); | |
827 | if (err) | |
828 | return err; | |
829 | ||
830 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
831 | ||
832 | cq->napi = &c->napi; | |
833 | ||
834 | mcq->cqe_sz = 64; | |
835 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
836 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
837 | *mcq->set_ci_db = 0; | |
838 | *mcq->arm_db = 0; | |
839 | mcq->vector = param->eq_ix; | |
840 | mcq->comp = mlx5e_completion_event; | |
841 | mcq->event = mlx5e_cq_error_event; | |
842 | mcq->irqn = irqn; | |
843 | mcq->uar = &priv->cq_uar; | |
844 | ||
845 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { | |
846 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); | |
847 | ||
848 | cqe->op_own = 0xf1; | |
849 | } | |
850 | ||
851 | cq->channel = c; | |
50cfa25a | 852 | cq->priv = priv; |
f62b8bb8 AV |
853 | |
854 | return 0; | |
855 | } | |
856 | ||
857 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) | |
858 | { | |
859 | mlx5_wq_destroy(&cq->wq_ctrl); | |
860 | } | |
861 | ||
862 | static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) | |
863 | { | |
50cfa25a | 864 | struct mlx5e_priv *priv = cq->priv; |
f62b8bb8 AV |
865 | struct mlx5_core_dev *mdev = priv->mdev; |
866 | struct mlx5_core_cq *mcq = &cq->mcq; | |
867 | ||
868 | void *in; | |
869 | void *cqc; | |
870 | int inlen; | |
0b6e26ce | 871 | unsigned int irqn_not_used; |
f62b8bb8 AV |
872 | int eqn; |
873 | int err; | |
874 | ||
875 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + | |
876 | sizeof(u64) * cq->wq_ctrl.buf.npages; | |
877 | in = mlx5_vzalloc(inlen); | |
878 | if (!in) | |
879 | return -ENOMEM; | |
880 | ||
881 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); | |
882 | ||
883 | memcpy(cqc, param->cqc, sizeof(param->cqc)); | |
884 | ||
885 | mlx5_fill_page_array(&cq->wq_ctrl.buf, | |
886 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); | |
887 | ||
888 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); | |
889 | ||
890 | MLX5_SET(cqc, cqc, c_eqn, eqn); | |
891 | MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); | |
892 | MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - | |
68cdf5d6 | 893 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
894 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
895 | ||
896 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); | |
897 | ||
898 | kvfree(in); | |
899 | ||
900 | if (err) | |
901 | return err; | |
902 | ||
903 | mlx5e_cq_arm(cq); | |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
908 | static void mlx5e_disable_cq(struct mlx5e_cq *cq) | |
909 | { | |
50cfa25a | 910 | struct mlx5e_priv *priv = cq->priv; |
f62b8bb8 AV |
911 | struct mlx5_core_dev *mdev = priv->mdev; |
912 | ||
913 | mlx5_core_destroy_cq(mdev, &cq->mcq); | |
914 | } | |
915 | ||
916 | static int mlx5e_open_cq(struct mlx5e_channel *c, | |
917 | struct mlx5e_cq_param *param, | |
918 | struct mlx5e_cq *cq, | |
919 | u16 moderation_usecs, | |
920 | u16 moderation_frames) | |
921 | { | |
922 | int err; | |
923 | struct mlx5e_priv *priv = c->priv; | |
924 | struct mlx5_core_dev *mdev = priv->mdev; | |
925 | ||
926 | err = mlx5e_create_cq(c, param, cq); | |
927 | if (err) | |
928 | return err; | |
929 | ||
930 | err = mlx5e_enable_cq(cq, param); | |
931 | if (err) | |
932 | goto err_destroy_cq; | |
933 | ||
7524a5d8 GP |
934 | if (MLX5_CAP_GEN(mdev, cq_moderation)) |
935 | mlx5_core_modify_cq_moderation(mdev, &cq->mcq, | |
936 | moderation_usecs, | |
937 | moderation_frames); | |
f62b8bb8 AV |
938 | return 0; |
939 | ||
940 | err_destroy_cq: | |
941 | mlx5e_destroy_cq(cq); | |
942 | ||
943 | return err; | |
944 | } | |
945 | ||
946 | static void mlx5e_close_cq(struct mlx5e_cq *cq) | |
947 | { | |
948 | mlx5e_disable_cq(cq); | |
949 | mlx5e_destroy_cq(cq); | |
950 | } | |
951 | ||
952 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) | |
953 | { | |
954 | return cpumask_first(priv->mdev->priv.irq_info[ix].mask); | |
955 | } | |
956 | ||
957 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, | |
958 | struct mlx5e_channel_param *cparam) | |
959 | { | |
960 | struct mlx5e_priv *priv = c->priv; | |
961 | int err; | |
962 | int tc; | |
963 | ||
964 | for (tc = 0; tc < c->num_tc; tc++) { | |
965 | err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, | |
966 | priv->params.tx_cq_moderation_usec, | |
967 | priv->params.tx_cq_moderation_pkts); | |
968 | if (err) | |
969 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
970 | } |
971 | ||
972 | return 0; | |
973 | ||
974 | err_close_tx_cqs: | |
975 | for (tc--; tc >= 0; tc--) | |
976 | mlx5e_close_cq(&c->sq[tc].cq); | |
977 | ||
978 | return err; | |
979 | } | |
980 | ||
981 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) | |
982 | { | |
983 | int tc; | |
984 | ||
985 | for (tc = 0; tc < c->num_tc; tc++) | |
986 | mlx5e_close_cq(&c->sq[tc].cq); | |
987 | } | |
988 | ||
989 | static int mlx5e_open_sqs(struct mlx5e_channel *c, | |
990 | struct mlx5e_channel_param *cparam) | |
991 | { | |
992 | int err; | |
993 | int tc; | |
994 | ||
995 | for (tc = 0; tc < c->num_tc; tc++) { | |
996 | err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); | |
997 | if (err) | |
998 | goto err_close_sqs; | |
999 | } | |
1000 | ||
1001 | return 0; | |
1002 | ||
1003 | err_close_sqs: | |
1004 | for (tc--; tc >= 0; tc--) | |
1005 | mlx5e_close_sq(&c->sq[tc]); | |
1006 | ||
1007 | return err; | |
1008 | } | |
1009 | ||
1010 | static void mlx5e_close_sqs(struct mlx5e_channel *c) | |
1011 | { | |
1012 | int tc; | |
1013 | ||
1014 | for (tc = 0; tc < c->num_tc; tc++) | |
1015 | mlx5e_close_sq(&c->sq[tc]); | |
1016 | } | |
1017 | ||
5283af89 | 1018 | static void mlx5e_build_channeltc_to_txq_map(struct mlx5e_priv *priv, int ix) |
03289b88 SM |
1019 | { |
1020 | int i; | |
1021 | ||
1022 | for (i = 0; i < MLX5E_MAX_NUM_TC; i++) | |
5283af89 RS |
1023 | priv->channeltc_to_txq_map[ix][i] = |
1024 | ix + i * priv->params.num_channels; | |
03289b88 SM |
1025 | } |
1026 | ||
f62b8bb8 AV |
1027 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
1028 | struct mlx5e_channel_param *cparam, | |
1029 | struct mlx5e_channel **cp) | |
1030 | { | |
1031 | struct net_device *netdev = priv->netdev; | |
1032 | int cpu = mlx5e_get_cpu(priv, ix); | |
1033 | struct mlx5e_channel *c; | |
1034 | int err; | |
1035 | ||
1036 | c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); | |
1037 | if (!c) | |
1038 | return -ENOMEM; | |
1039 | ||
1040 | c->priv = priv; | |
1041 | c->ix = ix; | |
1042 | c->cpu = cpu; | |
1043 | c->pdev = &priv->mdev->pdev->dev; | |
1044 | c->netdev = priv->netdev; | |
a606b0f6 | 1045 | c->mkey_be = cpu_to_be32(priv->mkey.key); |
a4418a6c | 1046 | c->num_tc = priv->params.num_tc; |
f62b8bb8 | 1047 | |
5283af89 | 1048 | mlx5e_build_channeltc_to_txq_map(priv, ix); |
03289b88 | 1049 | |
f62b8bb8 AV |
1050 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
1051 | ||
d3c9bc27 | 1052 | err = mlx5e_open_cq(c, &cparam->icosq_cq, &c->icosq.cq, 0, 0); |
f62b8bb8 AV |
1053 | if (err) |
1054 | goto err_napi_del; | |
1055 | ||
d3c9bc27 TT |
1056 | err = mlx5e_open_tx_cqs(c, cparam); |
1057 | if (err) | |
1058 | goto err_close_icosq_cq; | |
1059 | ||
f62b8bb8 AV |
1060 | err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, |
1061 | priv->params.rx_cq_moderation_usec, | |
1062 | priv->params.rx_cq_moderation_pkts); | |
1063 | if (err) | |
1064 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
1065 | |
1066 | napi_enable(&c->napi); | |
1067 | ||
d3c9bc27 | 1068 | err = mlx5e_open_sq(c, 0, &cparam->icosq, &c->icosq); |
f62b8bb8 AV |
1069 | if (err) |
1070 | goto err_disable_napi; | |
1071 | ||
d3c9bc27 TT |
1072 | err = mlx5e_open_sqs(c, cparam); |
1073 | if (err) | |
1074 | goto err_close_icosq; | |
1075 | ||
f62b8bb8 AV |
1076 | err = mlx5e_open_rq(c, &cparam->rq, &c->rq); |
1077 | if (err) | |
1078 | goto err_close_sqs; | |
1079 | ||
1080 | netif_set_xps_queue(netdev, get_cpu_mask(c->cpu), ix); | |
1081 | *cp = c; | |
1082 | ||
1083 | return 0; | |
1084 | ||
1085 | err_close_sqs: | |
1086 | mlx5e_close_sqs(c); | |
1087 | ||
d3c9bc27 TT |
1088 | err_close_icosq: |
1089 | mlx5e_close_sq(&c->icosq); | |
1090 | ||
f62b8bb8 AV |
1091 | err_disable_napi: |
1092 | napi_disable(&c->napi); | |
1093 | mlx5e_close_cq(&c->rq.cq); | |
1094 | ||
1095 | err_close_tx_cqs: | |
1096 | mlx5e_close_tx_cqs(c); | |
1097 | ||
d3c9bc27 TT |
1098 | err_close_icosq_cq: |
1099 | mlx5e_close_cq(&c->icosq.cq); | |
1100 | ||
f62b8bb8 AV |
1101 | err_napi_del: |
1102 | netif_napi_del(&c->napi); | |
7ae92ae5 | 1103 | napi_hash_del(&c->napi); |
f62b8bb8 AV |
1104 | kfree(c); |
1105 | ||
1106 | return err; | |
1107 | } | |
1108 | ||
1109 | static void mlx5e_close_channel(struct mlx5e_channel *c) | |
1110 | { | |
1111 | mlx5e_close_rq(&c->rq); | |
1112 | mlx5e_close_sqs(c); | |
d3c9bc27 | 1113 | mlx5e_close_sq(&c->icosq); |
f62b8bb8 AV |
1114 | napi_disable(&c->napi); |
1115 | mlx5e_close_cq(&c->rq.cq); | |
1116 | mlx5e_close_tx_cqs(c); | |
d3c9bc27 | 1117 | mlx5e_close_cq(&c->icosq.cq); |
f62b8bb8 | 1118 | netif_napi_del(&c->napi); |
7ae92ae5 ED |
1119 | |
1120 | napi_hash_del(&c->napi); | |
1121 | synchronize_rcu(); | |
1122 | ||
f62b8bb8 AV |
1123 | kfree(c); |
1124 | } | |
1125 | ||
1126 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, | |
1127 | struct mlx5e_rq_param *param) | |
1128 | { | |
1129 | void *rqc = param->rqc; | |
1130 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1131 | ||
461017cb TT |
1132 | switch (priv->params.rq_wq_type) { |
1133 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
1134 | MLX5_SET(wq, wq, log_wqe_num_of_strides, | |
d9d9f156 | 1135 | priv->params.mpwqe_log_num_strides - 9); |
461017cb | 1136 | MLX5_SET(wq, wq, log_wqe_stride_size, |
d9d9f156 | 1137 | priv->params.mpwqe_log_stride_sz - 6); |
461017cb TT |
1138 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); |
1139 | break; | |
1140 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
1141 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); | |
1142 | } | |
1143 | ||
f62b8bb8 AV |
1144 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); |
1145 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); | |
1146 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); | |
1147 | MLX5_SET(wq, wq, pd, priv->pdn); | |
593cf338 | 1148 | MLX5_SET(rqc, rqc, counter_set_id, priv->q_counter); |
f62b8bb8 | 1149 | |
311c7c71 | 1150 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
f62b8bb8 AV |
1151 | param->wq.linear = 1; |
1152 | } | |
1153 | ||
556dd1b9 TT |
1154 | static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param) |
1155 | { | |
1156 | void *rqc = param->rqc; | |
1157 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1158 | ||
1159 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); | |
1160 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); | |
1161 | } | |
1162 | ||
d3c9bc27 TT |
1163 | static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, |
1164 | struct mlx5e_sq_param *param) | |
f62b8bb8 AV |
1165 | { |
1166 | void *sqc = param->sqc; | |
1167 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1168 | ||
f62b8bb8 AV |
1169 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); |
1170 | MLX5_SET(wq, wq, pd, priv->pdn); | |
1171 | ||
311c7c71 | 1172 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
d3c9bc27 TT |
1173 | } |
1174 | ||
1175 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, | |
1176 | struct mlx5e_sq_param *param) | |
1177 | { | |
1178 | void *sqc = param->sqc; | |
1179 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1180 | ||
1181 | mlx5e_build_sq_param_common(priv, param); | |
1182 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); | |
1183 | ||
58d52291 | 1184 | param->max_inline = priv->params.tx_max_inline; |
f62b8bb8 AV |
1185 | } |
1186 | ||
1187 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, | |
1188 | struct mlx5e_cq_param *param) | |
1189 | { | |
1190 | void *cqc = param->cqc; | |
1191 | ||
1192 | MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index); | |
1193 | } | |
1194 | ||
1195 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, | |
1196 | struct mlx5e_cq_param *param) | |
1197 | { | |
1198 | void *cqc = param->cqc; | |
461017cb | 1199 | u8 log_cq_size; |
f62b8bb8 | 1200 | |
461017cb TT |
1201 | switch (priv->params.rq_wq_type) { |
1202 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
1203 | log_cq_size = priv->params.log_rq_size + | |
d9d9f156 | 1204 | priv->params.mpwqe_log_num_strides; |
461017cb TT |
1205 | break; |
1206 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
1207 | log_cq_size = priv->params.log_rq_size; | |
1208 | } | |
1209 | ||
1210 | MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); | |
7219ab34 TT |
1211 | if (priv->params.rx_cqe_compress) { |
1212 | MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); | |
1213 | MLX5_SET(cqc, cqc, cqe_comp_en, 1); | |
1214 | } | |
f62b8bb8 AV |
1215 | |
1216 | mlx5e_build_common_cq_param(priv, param); | |
1217 | } | |
1218 | ||
1219 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, | |
1220 | struct mlx5e_cq_param *param) | |
1221 | { | |
1222 | void *cqc = param->cqc; | |
1223 | ||
d3c9bc27 | 1224 | MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); |
f62b8bb8 AV |
1225 | |
1226 | mlx5e_build_common_cq_param(priv, param); | |
1227 | } | |
1228 | ||
d3c9bc27 TT |
1229 | static void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv, |
1230 | struct mlx5e_cq_param *param, | |
1231 | u8 log_wq_size) | |
1232 | { | |
1233 | void *cqc = param->cqc; | |
1234 | ||
1235 | MLX5_SET(cqc, cqc, log_cq_size, log_wq_size); | |
1236 | ||
1237 | mlx5e_build_common_cq_param(priv, param); | |
1238 | } | |
1239 | ||
1240 | static void mlx5e_build_icosq_param(struct mlx5e_priv *priv, | |
1241 | struct mlx5e_sq_param *param, | |
1242 | u8 log_wq_size) | |
1243 | { | |
1244 | void *sqc = param->sqc; | |
1245 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1246 | ||
1247 | mlx5e_build_sq_param_common(priv, param); | |
1248 | ||
1249 | MLX5_SET(wq, wq, log_wq_sz, log_wq_size); | |
bc77b240 | 1250 | MLX5_SET(sqc, sqc, reg_umr, MLX5_CAP_ETH(priv->mdev, reg_umr_sq)); |
d3c9bc27 TT |
1251 | |
1252 | param->icosq = true; | |
1253 | } | |
1254 | ||
6b87663f | 1255 | static void mlx5e_build_channel_param(struct mlx5e_priv *priv, struct mlx5e_channel_param *cparam) |
f62b8bb8 | 1256 | { |
bc77b240 | 1257 | u8 icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE; |
d3c9bc27 | 1258 | |
f62b8bb8 AV |
1259 | mlx5e_build_rq_param(priv, &cparam->rq); |
1260 | mlx5e_build_sq_param(priv, &cparam->sq); | |
d3c9bc27 | 1261 | mlx5e_build_icosq_param(priv, &cparam->icosq, icosq_log_wq_sz); |
f62b8bb8 AV |
1262 | mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); |
1263 | mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); | |
d3c9bc27 | 1264 | mlx5e_build_ico_cq_param(priv, &cparam->icosq_cq, icosq_log_wq_sz); |
f62b8bb8 AV |
1265 | } |
1266 | ||
1267 | static int mlx5e_open_channels(struct mlx5e_priv *priv) | |
1268 | { | |
6b87663f | 1269 | struct mlx5e_channel_param *cparam; |
a4418a6c | 1270 | int nch = priv->params.num_channels; |
03289b88 | 1271 | int err = -ENOMEM; |
f62b8bb8 AV |
1272 | int i; |
1273 | int j; | |
1274 | ||
a4418a6c AS |
1275 | priv->channel = kcalloc(nch, sizeof(struct mlx5e_channel *), |
1276 | GFP_KERNEL); | |
03289b88 | 1277 | |
a4418a6c | 1278 | priv->txq_to_sq_map = kcalloc(nch * priv->params.num_tc, |
03289b88 SM |
1279 | sizeof(struct mlx5e_sq *), GFP_KERNEL); |
1280 | ||
6b87663f AB |
1281 | cparam = kzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL); |
1282 | ||
1283 | if (!priv->channel || !priv->txq_to_sq_map || !cparam) | |
03289b88 | 1284 | goto err_free_txq_to_sq_map; |
f62b8bb8 | 1285 | |
6b87663f AB |
1286 | mlx5e_build_channel_param(priv, cparam); |
1287 | ||
a4418a6c | 1288 | for (i = 0; i < nch; i++) { |
6b87663f | 1289 | err = mlx5e_open_channel(priv, i, cparam, &priv->channel[i]); |
f62b8bb8 AV |
1290 | if (err) |
1291 | goto err_close_channels; | |
1292 | } | |
1293 | ||
a4418a6c | 1294 | for (j = 0; j < nch; j++) { |
f62b8bb8 AV |
1295 | err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); |
1296 | if (err) | |
1297 | goto err_close_channels; | |
1298 | } | |
1299 | ||
6b87663f | 1300 | kfree(cparam); |
f62b8bb8 AV |
1301 | return 0; |
1302 | ||
1303 | err_close_channels: | |
1304 | for (i--; i >= 0; i--) | |
1305 | mlx5e_close_channel(priv->channel[i]); | |
1306 | ||
03289b88 SM |
1307 | err_free_txq_to_sq_map: |
1308 | kfree(priv->txq_to_sq_map); | |
f62b8bb8 | 1309 | kfree(priv->channel); |
6b87663f | 1310 | kfree(cparam); |
f62b8bb8 AV |
1311 | |
1312 | return err; | |
1313 | } | |
1314 | ||
1315 | static void mlx5e_close_channels(struct mlx5e_priv *priv) | |
1316 | { | |
1317 | int i; | |
1318 | ||
1319 | for (i = 0; i < priv->params.num_channels; i++) | |
1320 | mlx5e_close_channel(priv->channel[i]); | |
1321 | ||
03289b88 | 1322 | kfree(priv->txq_to_sq_map); |
f62b8bb8 AV |
1323 | kfree(priv->channel); |
1324 | } | |
1325 | ||
2be6967c SM |
1326 | static int mlx5e_rx_hash_fn(int hfunc) |
1327 | { | |
1328 | return (hfunc == ETH_RSS_HASH_TOP) ? | |
1329 | MLX5_RX_HASH_FN_TOEPLITZ : | |
1330 | MLX5_RX_HASH_FN_INVERTED_XOR8; | |
1331 | } | |
1332 | ||
1333 | static int mlx5e_bits_invert(unsigned long a, int size) | |
1334 | { | |
1335 | int inv = 0; | |
1336 | int i; | |
1337 | ||
1338 | for (i = 0; i < size; i++) | |
1339 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; | |
1340 | ||
1341 | return inv; | |
1342 | } | |
1343 | ||
936896e9 AS |
1344 | static void mlx5e_fill_indir_rqt_rqns(struct mlx5e_priv *priv, void *rqtc) |
1345 | { | |
1346 | int i; | |
1347 | ||
1348 | for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) { | |
1349 | int ix = i; | |
1da36696 | 1350 | u32 rqn; |
936896e9 AS |
1351 | |
1352 | if (priv->params.rss_hfunc == ETH_RSS_HASH_XOR) | |
1353 | ix = mlx5e_bits_invert(i, MLX5E_LOG_INDIR_RQT_SIZE); | |
1354 | ||
2d75b2bc | 1355 | ix = priv->params.indirection_rqt[ix]; |
1da36696 TT |
1356 | rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
1357 | priv->channel[ix]->rq.rqn : | |
1358 | priv->drop_rq.rqn; | |
1359 | MLX5_SET(rqtc, rqtc, rq_num[i], rqn); | |
936896e9 AS |
1360 | } |
1361 | } | |
1362 | ||
1da36696 TT |
1363 | static void mlx5e_fill_direct_rqt_rqn(struct mlx5e_priv *priv, void *rqtc, |
1364 | int ix) | |
4cbeaff5 | 1365 | { |
1da36696 TT |
1366 | u32 rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
1367 | priv->channel[ix]->rq.rqn : | |
1368 | priv->drop_rq.rqn; | |
4cbeaff5 | 1369 | |
1da36696 | 1370 | MLX5_SET(rqtc, rqtc, rq_num[0], rqn); |
4cbeaff5 AS |
1371 | } |
1372 | ||
1da36696 | 1373 | static int mlx5e_create_rqt(struct mlx5e_priv *priv, int sz, int ix, u32 *rqtn) |
f62b8bb8 AV |
1374 | { |
1375 | struct mlx5_core_dev *mdev = priv->mdev; | |
f62b8bb8 AV |
1376 | void *rqtc; |
1377 | int inlen; | |
1378 | int err; | |
1da36696 | 1379 | u32 *in; |
f62b8bb8 | 1380 | |
f62b8bb8 AV |
1381 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
1382 | in = mlx5_vzalloc(inlen); | |
1383 | if (!in) | |
1384 | return -ENOMEM; | |
1385 | ||
1386 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
1387 | ||
1388 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
1389 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
1390 | ||
1da36696 TT |
1391 | if (sz > 1) /* RSS */ |
1392 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); | |
1393 | else | |
1394 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); | |
2be6967c | 1395 | |
1da36696 | 1396 | err = mlx5_core_create_rqt(mdev, in, inlen, rqtn); |
f62b8bb8 AV |
1397 | |
1398 | kvfree(in); | |
1da36696 TT |
1399 | return err; |
1400 | } | |
1401 | ||
1402 | static void mlx5e_destroy_rqt(struct mlx5e_priv *priv, u32 rqtn) | |
1403 | { | |
1404 | mlx5_core_destroy_rqt(priv->mdev, rqtn); | |
1405 | } | |
1406 | ||
1407 | static int mlx5e_create_rqts(struct mlx5e_priv *priv) | |
1408 | { | |
1409 | int nch = mlx5e_get_max_num_channels(priv->mdev); | |
1410 | u32 *rqtn; | |
1411 | int err; | |
1412 | int ix; | |
1413 | ||
1414 | /* Indirect RQT */ | |
1415 | rqtn = &priv->indir_rqtn; | |
1416 | err = mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, 0, rqtn); | |
1417 | if (err) | |
1418 | return err; | |
1419 | ||
1420 | /* Direct RQTs */ | |
1421 | for (ix = 0; ix < nch; ix++) { | |
1422 | rqtn = &priv->direct_tir[ix].rqtn; | |
1423 | err = mlx5e_create_rqt(priv, 1 /*size */, ix, rqtn); | |
1424 | if (err) | |
1425 | goto err_destroy_rqts; | |
1426 | } | |
1427 | ||
1428 | return 0; | |
1429 | ||
1430 | err_destroy_rqts: | |
1431 | for (ix--; ix >= 0; ix--) | |
1432 | mlx5e_destroy_rqt(priv, priv->direct_tir[ix].rqtn); | |
1433 | ||
1434 | mlx5e_destroy_rqt(priv, priv->indir_rqtn); | |
f62b8bb8 AV |
1435 | |
1436 | return err; | |
1437 | } | |
1438 | ||
1da36696 TT |
1439 | static void mlx5e_destroy_rqts(struct mlx5e_priv *priv) |
1440 | { | |
1441 | int nch = mlx5e_get_max_num_channels(priv->mdev); | |
1442 | int i; | |
1443 | ||
1444 | for (i = 0; i < nch; i++) | |
1445 | mlx5e_destroy_rqt(priv, priv->direct_tir[i].rqtn); | |
1446 | ||
1447 | mlx5e_destroy_rqt(priv, priv->indir_rqtn); | |
1448 | } | |
1449 | ||
1450 | int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, int ix) | |
5c50368f AS |
1451 | { |
1452 | struct mlx5_core_dev *mdev = priv->mdev; | |
5c50368f AS |
1453 | void *rqtc; |
1454 | int inlen; | |
1da36696 | 1455 | u32 *in; |
5c50368f AS |
1456 | int err; |
1457 | ||
5c50368f AS |
1458 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; |
1459 | in = mlx5_vzalloc(inlen); | |
1460 | if (!in) | |
1461 | return -ENOMEM; | |
1462 | ||
1463 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); | |
1464 | ||
1465 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
1da36696 TT |
1466 | if (sz > 1) /* RSS */ |
1467 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); | |
1468 | else | |
1469 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); | |
5c50368f AS |
1470 | |
1471 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); | |
1472 | ||
1da36696 | 1473 | err = mlx5_core_modify_rqt(mdev, rqtn, in, inlen); |
5c50368f AS |
1474 | |
1475 | kvfree(in); | |
1476 | ||
1477 | return err; | |
1478 | } | |
1479 | ||
40ab6a6e AS |
1480 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv) |
1481 | { | |
1da36696 TT |
1482 | u32 rqtn; |
1483 | int ix; | |
1484 | ||
1485 | rqtn = priv->indir_rqtn; | |
1486 | mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0); | |
1487 | for (ix = 0; ix < priv->params.num_channels; ix++) { | |
1488 | rqtn = priv->direct_tir[ix].rqtn; | |
1489 | mlx5e_redirect_rqt(priv, rqtn, 1, ix); | |
1490 | } | |
40ab6a6e AS |
1491 | } |
1492 | ||
5c50368f AS |
1493 | static void mlx5e_build_tir_ctx_lro(void *tirc, struct mlx5e_priv *priv) |
1494 | { | |
1495 | if (!priv->params.lro_en) | |
1496 | return; | |
1497 | ||
1498 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 | |
1499 | ||
1500 | MLX5_SET(tirc, tirc, lro_enable_mask, | |
1501 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | | |
1502 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); | |
1503 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, | |
1504 | (priv->params.lro_wqe_sz - | |
1505 | ROUGH_MAX_L2_L3_HDR_SZ) >> 8); | |
1506 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, | |
1507 | MLX5_CAP_ETH(priv->mdev, | |
d9a40271 | 1508 | lro_timer_supported_periods[2])); |
5c50368f AS |
1509 | } |
1510 | ||
bdfc028d TT |
1511 | void mlx5e_build_tir_ctx_hash(void *tirc, struct mlx5e_priv *priv) |
1512 | { | |
1513 | MLX5_SET(tirc, tirc, rx_hash_fn, | |
1514 | mlx5e_rx_hash_fn(priv->params.rss_hfunc)); | |
1515 | if (priv->params.rss_hfunc == ETH_RSS_HASH_TOP) { | |
1516 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, | |
1517 | rx_hash_toeplitz_key); | |
1518 | size_t len = MLX5_FLD_SZ_BYTES(tirc, | |
1519 | rx_hash_toeplitz_key); | |
1520 | ||
1521 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
1522 | memcpy(rss_key, priv->params.toeplitz_hash_key, len); | |
1523 | } | |
1524 | } | |
1525 | ||
ab0394fe | 1526 | static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) |
5c50368f AS |
1527 | { |
1528 | struct mlx5_core_dev *mdev = priv->mdev; | |
1529 | ||
1530 | void *in; | |
1531 | void *tirc; | |
1532 | int inlen; | |
1533 | int err; | |
ab0394fe | 1534 | int tt; |
1da36696 | 1535 | int ix; |
5c50368f AS |
1536 | |
1537 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1538 | in = mlx5_vzalloc(inlen); | |
1539 | if (!in) | |
1540 | return -ENOMEM; | |
1541 | ||
1542 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); | |
1543 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); | |
1544 | ||
1545 | mlx5e_build_tir_ctx_lro(tirc, priv); | |
1546 | ||
1da36696 TT |
1547 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
1548 | err = mlx5_core_modify_tir(mdev, priv->indir_tirn[tt], in, | |
1549 | inlen); | |
ab0394fe | 1550 | if (err) |
1da36696 | 1551 | goto free_in; |
ab0394fe | 1552 | } |
5c50368f | 1553 | |
1da36696 TT |
1554 | for (ix = 0; ix < mlx5e_get_max_num_channels(mdev); ix++) { |
1555 | err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, | |
1556 | in, inlen); | |
1557 | if (err) | |
1558 | goto free_in; | |
1559 | } | |
1560 | ||
1561 | free_in: | |
5c50368f AS |
1562 | kvfree(in); |
1563 | ||
1564 | return err; | |
1565 | } | |
1566 | ||
1da36696 | 1567 | static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) |
66189961 TT |
1568 | { |
1569 | void *in; | |
1570 | int inlen; | |
1571 | int err; | |
1da36696 | 1572 | int i; |
66189961 TT |
1573 | |
1574 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1575 | in = mlx5_vzalloc(inlen); | |
1576 | if (!in) | |
1577 | return -ENOMEM; | |
1578 | ||
1579 | MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); | |
1580 | ||
1da36696 TT |
1581 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) { |
1582 | err = mlx5_core_modify_tir(priv->mdev, priv->indir_tirn[i], in, | |
1583 | inlen); | |
1584 | if (err) | |
1585 | return err; | |
1586 | } | |
66189961 | 1587 | |
1da36696 TT |
1588 | for (i = 0; i < priv->params.num_channels; i++) { |
1589 | err = mlx5_core_modify_tir(priv->mdev, | |
1590 | priv->direct_tir[i].tirn, in, | |
1591 | inlen); | |
66189961 TT |
1592 | if (err) |
1593 | return err; | |
1594 | } | |
1595 | ||
1da36696 TT |
1596 | kvfree(in); |
1597 | ||
66189961 TT |
1598 | return 0; |
1599 | } | |
1600 | ||
cd255eff | 1601 | static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) |
40ab6a6e | 1602 | { |
40ab6a6e | 1603 | struct mlx5_core_dev *mdev = priv->mdev; |
cd255eff | 1604 | u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); |
40ab6a6e AS |
1605 | int err; |
1606 | ||
cd255eff | 1607 | err = mlx5_set_port_mtu(mdev, hw_mtu, 1); |
40ab6a6e AS |
1608 | if (err) |
1609 | return err; | |
1610 | ||
cd255eff SM |
1611 | /* Update vport context MTU */ |
1612 | mlx5_modify_nic_vport_mtu(mdev, hw_mtu); | |
1613 | return 0; | |
1614 | } | |
40ab6a6e | 1615 | |
cd255eff SM |
1616 | static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) |
1617 | { | |
1618 | struct mlx5_core_dev *mdev = priv->mdev; | |
1619 | u16 hw_mtu = 0; | |
1620 | int err; | |
40ab6a6e | 1621 | |
cd255eff SM |
1622 | err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); |
1623 | if (err || !hw_mtu) /* fallback to port oper mtu */ | |
1624 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); | |
1625 | ||
1626 | *mtu = MLX5E_HW2SW_MTU(hw_mtu); | |
1627 | } | |
1628 | ||
1629 | static int mlx5e_set_dev_port_mtu(struct net_device *netdev) | |
1630 | { | |
1631 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1632 | u16 mtu; | |
1633 | int err; | |
1634 | ||
1635 | err = mlx5e_set_mtu(priv, netdev->mtu); | |
1636 | if (err) | |
1637 | return err; | |
40ab6a6e | 1638 | |
cd255eff SM |
1639 | mlx5e_query_mtu(priv, &mtu); |
1640 | if (mtu != netdev->mtu) | |
1641 | netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", | |
1642 | __func__, mtu, netdev->mtu); | |
40ab6a6e | 1643 | |
cd255eff | 1644 | netdev->mtu = mtu; |
40ab6a6e AS |
1645 | return 0; |
1646 | } | |
1647 | ||
08fb1dac SM |
1648 | static void mlx5e_netdev_set_tcs(struct net_device *netdev) |
1649 | { | |
1650 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1651 | int nch = priv->params.num_channels; | |
1652 | int ntc = priv->params.num_tc; | |
1653 | int tc; | |
1654 | ||
1655 | netdev_reset_tc(netdev); | |
1656 | ||
1657 | if (ntc == 1) | |
1658 | return; | |
1659 | ||
1660 | netdev_set_num_tc(netdev, ntc); | |
1661 | ||
1662 | for (tc = 0; tc < ntc; tc++) | |
1663 | netdev_set_tc_queue(netdev, tc, nch, tc * nch); | |
1664 | } | |
1665 | ||
40ab6a6e AS |
1666 | int mlx5e_open_locked(struct net_device *netdev) |
1667 | { | |
1668 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1669 | int num_txqs; | |
1670 | int err; | |
1671 | ||
1672 | set_bit(MLX5E_STATE_OPENED, &priv->state); | |
1673 | ||
08fb1dac SM |
1674 | mlx5e_netdev_set_tcs(netdev); |
1675 | ||
40ab6a6e AS |
1676 | num_txqs = priv->params.num_channels * priv->params.num_tc; |
1677 | netif_set_real_num_tx_queues(netdev, num_txqs); | |
1678 | netif_set_real_num_rx_queues(netdev, priv->params.num_channels); | |
1679 | ||
1680 | err = mlx5e_set_dev_port_mtu(netdev); | |
1681 | if (err) | |
343b29f3 | 1682 | goto err_clear_state_opened_flag; |
40ab6a6e AS |
1683 | |
1684 | err = mlx5e_open_channels(priv); | |
1685 | if (err) { | |
1686 | netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n", | |
1687 | __func__, err); | |
343b29f3 | 1688 | goto err_clear_state_opened_flag; |
40ab6a6e AS |
1689 | } |
1690 | ||
66189961 TT |
1691 | err = mlx5e_refresh_tirs_self_loopback_enable(priv); |
1692 | if (err) { | |
1693 | netdev_err(netdev, "%s: mlx5e_refresh_tirs_self_loopback_enable failed, %d\n", | |
1694 | __func__, err); | |
1695 | goto err_close_channels; | |
1696 | } | |
1697 | ||
40ab6a6e | 1698 | mlx5e_redirect_rqts(priv); |
ce89ef36 | 1699 | mlx5e_update_carrier(priv); |
ef9814de | 1700 | mlx5e_timestamp_init(priv); |
5a7b27eb MG |
1701 | #ifdef CONFIG_RFS_ACCEL |
1702 | priv->netdev->rx_cpu_rmap = priv->mdev->rmap; | |
1703 | #endif | |
40ab6a6e | 1704 | |
7bb29755 | 1705 | queue_delayed_work(priv->wq, &priv->update_stats_work, 0); |
40ab6a6e | 1706 | |
9b37b07f | 1707 | return 0; |
343b29f3 | 1708 | |
66189961 TT |
1709 | err_close_channels: |
1710 | mlx5e_close_channels(priv); | |
343b29f3 AS |
1711 | err_clear_state_opened_flag: |
1712 | clear_bit(MLX5E_STATE_OPENED, &priv->state); | |
1713 | return err; | |
40ab6a6e AS |
1714 | } |
1715 | ||
1716 | static int mlx5e_open(struct net_device *netdev) | |
1717 | { | |
1718 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1719 | int err; | |
1720 | ||
1721 | mutex_lock(&priv->state_lock); | |
1722 | err = mlx5e_open_locked(netdev); | |
1723 | mutex_unlock(&priv->state_lock); | |
1724 | ||
1725 | return err; | |
1726 | } | |
1727 | ||
1728 | int mlx5e_close_locked(struct net_device *netdev) | |
1729 | { | |
1730 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1731 | ||
a1985740 AS |
1732 | /* May already be CLOSED in case a previous configuration operation |
1733 | * (e.g RX/TX queue size change) that involves close&open failed. | |
1734 | */ | |
1735 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
1736 | return 0; | |
1737 | ||
40ab6a6e AS |
1738 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
1739 | ||
ef9814de | 1740 | mlx5e_timestamp_cleanup(priv); |
40ab6a6e | 1741 | netif_carrier_off(priv->netdev); |
ce89ef36 | 1742 | mlx5e_redirect_rqts(priv); |
40ab6a6e AS |
1743 | mlx5e_close_channels(priv); |
1744 | ||
1745 | return 0; | |
1746 | } | |
1747 | ||
1748 | static int mlx5e_close(struct net_device *netdev) | |
1749 | { | |
1750 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
1751 | int err; | |
1752 | ||
1753 | mutex_lock(&priv->state_lock); | |
1754 | err = mlx5e_close_locked(netdev); | |
1755 | mutex_unlock(&priv->state_lock); | |
1756 | ||
1757 | return err; | |
1758 | } | |
1759 | ||
1760 | static int mlx5e_create_drop_rq(struct mlx5e_priv *priv, | |
1761 | struct mlx5e_rq *rq, | |
1762 | struct mlx5e_rq_param *param) | |
1763 | { | |
1764 | struct mlx5_core_dev *mdev = priv->mdev; | |
1765 | void *rqc = param->rqc; | |
1766 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1767 | int err; | |
1768 | ||
1769 | param->wq.db_numa_node = param->wq.buf_numa_node; | |
1770 | ||
1771 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, | |
1772 | &rq->wq_ctrl); | |
1773 | if (err) | |
1774 | return err; | |
1775 | ||
1776 | rq->priv = priv; | |
1777 | ||
1778 | return 0; | |
1779 | } | |
1780 | ||
1781 | static int mlx5e_create_drop_cq(struct mlx5e_priv *priv, | |
1782 | struct mlx5e_cq *cq, | |
1783 | struct mlx5e_cq_param *param) | |
1784 | { | |
1785 | struct mlx5_core_dev *mdev = priv->mdev; | |
1786 | struct mlx5_core_cq *mcq = &cq->mcq; | |
1787 | int eqn_not_used; | |
0b6e26ce | 1788 | unsigned int irqn; |
40ab6a6e AS |
1789 | int err; |
1790 | ||
1791 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, | |
1792 | &cq->wq_ctrl); | |
1793 | if (err) | |
1794 | return err; | |
1795 | ||
1796 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
1797 | ||
1798 | mcq->cqe_sz = 64; | |
1799 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
1800 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
1801 | *mcq->set_ci_db = 0; | |
1802 | *mcq->arm_db = 0; | |
1803 | mcq->vector = param->eq_ix; | |
1804 | mcq->comp = mlx5e_completion_event; | |
1805 | mcq->event = mlx5e_cq_error_event; | |
1806 | mcq->irqn = irqn; | |
1807 | mcq->uar = &priv->cq_uar; | |
1808 | ||
1809 | cq->priv = priv; | |
1810 | ||
1811 | return 0; | |
1812 | } | |
1813 | ||
1814 | static int mlx5e_open_drop_rq(struct mlx5e_priv *priv) | |
1815 | { | |
1816 | struct mlx5e_cq_param cq_param; | |
1817 | struct mlx5e_rq_param rq_param; | |
1818 | struct mlx5e_rq *rq = &priv->drop_rq; | |
1819 | struct mlx5e_cq *cq = &priv->drop_rq.cq; | |
1820 | int err; | |
1821 | ||
1822 | memset(&cq_param, 0, sizeof(cq_param)); | |
1823 | memset(&rq_param, 0, sizeof(rq_param)); | |
556dd1b9 | 1824 | mlx5e_build_drop_rq_param(&rq_param); |
40ab6a6e AS |
1825 | |
1826 | err = mlx5e_create_drop_cq(priv, cq, &cq_param); | |
1827 | if (err) | |
1828 | return err; | |
1829 | ||
1830 | err = mlx5e_enable_cq(cq, &cq_param); | |
1831 | if (err) | |
1832 | goto err_destroy_cq; | |
1833 | ||
1834 | err = mlx5e_create_drop_rq(priv, rq, &rq_param); | |
1835 | if (err) | |
1836 | goto err_disable_cq; | |
1837 | ||
1838 | err = mlx5e_enable_rq(rq, &rq_param); | |
1839 | if (err) | |
1840 | goto err_destroy_rq; | |
1841 | ||
1842 | return 0; | |
1843 | ||
1844 | err_destroy_rq: | |
1845 | mlx5e_destroy_rq(&priv->drop_rq); | |
1846 | ||
1847 | err_disable_cq: | |
1848 | mlx5e_disable_cq(&priv->drop_rq.cq); | |
1849 | ||
1850 | err_destroy_cq: | |
1851 | mlx5e_destroy_cq(&priv->drop_rq.cq); | |
1852 | ||
1853 | return err; | |
1854 | } | |
1855 | ||
1856 | static void mlx5e_close_drop_rq(struct mlx5e_priv *priv) | |
1857 | { | |
1858 | mlx5e_disable_rq(&priv->drop_rq); | |
1859 | mlx5e_destroy_rq(&priv->drop_rq); | |
1860 | mlx5e_disable_cq(&priv->drop_rq.cq); | |
1861 | mlx5e_destroy_cq(&priv->drop_rq.cq); | |
1862 | } | |
1863 | ||
1864 | static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc) | |
1865 | { | |
1866 | struct mlx5_core_dev *mdev = priv->mdev; | |
1867 | u32 in[MLX5_ST_SZ_DW(create_tis_in)]; | |
1868 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); | |
1869 | ||
1870 | memset(in, 0, sizeof(in)); | |
1871 | ||
08fb1dac | 1872 | MLX5_SET(tisc, tisc, prio, tc << 1); |
40ab6a6e AS |
1873 | MLX5_SET(tisc, tisc, transport_domain, priv->tdn); |
1874 | ||
1875 | return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]); | |
1876 | } | |
1877 | ||
1878 | static void mlx5e_destroy_tis(struct mlx5e_priv *priv, int tc) | |
1879 | { | |
1880 | mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); | |
1881 | } | |
1882 | ||
1883 | static int mlx5e_create_tises(struct mlx5e_priv *priv) | |
1884 | { | |
1885 | int err; | |
1886 | int tc; | |
1887 | ||
08fb1dac | 1888 | for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++) { |
40ab6a6e AS |
1889 | err = mlx5e_create_tis(priv, tc); |
1890 | if (err) | |
1891 | goto err_close_tises; | |
1892 | } | |
1893 | ||
1894 | return 0; | |
1895 | ||
1896 | err_close_tises: | |
1897 | for (tc--; tc >= 0; tc--) | |
1898 | mlx5e_destroy_tis(priv, tc); | |
1899 | ||
1900 | return err; | |
1901 | } | |
1902 | ||
1903 | static void mlx5e_destroy_tises(struct mlx5e_priv *priv) | |
1904 | { | |
1905 | int tc; | |
1906 | ||
08fb1dac | 1907 | for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++) |
40ab6a6e AS |
1908 | mlx5e_destroy_tis(priv, tc); |
1909 | } | |
1910 | ||
1da36696 TT |
1911 | static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
1912 | enum mlx5e_traffic_types tt) | |
f62b8bb8 AV |
1913 | { |
1914 | void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); | |
1915 | ||
3191e05f AS |
1916 | MLX5_SET(tirc, tirc, transport_domain, priv->tdn); |
1917 | ||
5a6f8aef AS |
1918 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1919 | MLX5_HASH_FIELD_SEL_DST_IP) | |
f62b8bb8 | 1920 | |
5a6f8aef AS |
1921 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1922 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
1923 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ | |
1924 | MLX5_HASH_FIELD_SEL_L4_DPORT) | |
f62b8bb8 | 1925 | |
a741749f AS |
1926 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
1927 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
1928 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) | |
1929 | ||
5c50368f | 1930 | mlx5e_build_tir_ctx_lro(tirc, priv); |
f62b8bb8 | 1931 | |
4cbeaff5 | 1932 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
1da36696 TT |
1933 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqtn); |
1934 | mlx5e_build_tir_ctx_hash(tirc, priv); | |
f62b8bb8 AV |
1935 | |
1936 | switch (tt) { | |
1937 | case MLX5E_TT_IPV4_TCP: | |
1938 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1939 | MLX5_L3_PROT_TYPE_IPV4); | |
1940 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1941 | MLX5_L4_PROT_TYPE_TCP); | |
1942 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1943 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1944 | break; |
1945 | ||
1946 | case MLX5E_TT_IPV6_TCP: | |
1947 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1948 | MLX5_L3_PROT_TYPE_IPV6); | |
1949 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1950 | MLX5_L4_PROT_TYPE_TCP); | |
1951 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1952 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1953 | break; |
1954 | ||
1955 | case MLX5E_TT_IPV4_UDP: | |
1956 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1957 | MLX5_L3_PROT_TYPE_IPV4); | |
1958 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1959 | MLX5_L4_PROT_TYPE_UDP); | |
1960 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1961 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1962 | break; |
1963 | ||
1964 | case MLX5E_TT_IPV6_UDP: | |
1965 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1966 | MLX5_L3_PROT_TYPE_IPV6); | |
1967 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1968 | MLX5_L4_PROT_TYPE_UDP); | |
1969 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
5a6f8aef | 1970 | MLX5_HASH_IP_L4PORTS); |
f62b8bb8 AV |
1971 | break; |
1972 | ||
a741749f AS |
1973 | case MLX5E_TT_IPV4_IPSEC_AH: |
1974 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1975 | MLX5_L3_PROT_TYPE_IPV4); | |
1976 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1977 | MLX5_HASH_IP_IPSEC_SPI); | |
1978 | break; | |
1979 | ||
1980 | case MLX5E_TT_IPV6_IPSEC_AH: | |
1981 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1982 | MLX5_L3_PROT_TYPE_IPV6); | |
1983 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1984 | MLX5_HASH_IP_IPSEC_SPI); | |
1985 | break; | |
1986 | ||
1987 | case MLX5E_TT_IPV4_IPSEC_ESP: | |
1988 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1989 | MLX5_L3_PROT_TYPE_IPV4); | |
1990 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1991 | MLX5_HASH_IP_IPSEC_SPI); | |
1992 | break; | |
1993 | ||
1994 | case MLX5E_TT_IPV6_IPSEC_ESP: | |
1995 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1996 | MLX5_L3_PROT_TYPE_IPV6); | |
1997 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
1998 | MLX5_HASH_IP_IPSEC_SPI); | |
1999 | break; | |
2000 | ||
f62b8bb8 AV |
2001 | case MLX5E_TT_IPV4: |
2002 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2003 | MLX5_L3_PROT_TYPE_IPV4); | |
2004 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2005 | MLX5_HASH_IP); | |
2006 | break; | |
2007 | ||
2008 | case MLX5E_TT_IPV6: | |
2009 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2010 | MLX5_L3_PROT_TYPE_IPV6); | |
2011 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2012 | MLX5_HASH_IP); | |
2013 | break; | |
1da36696 TT |
2014 | default: |
2015 | WARN_ONCE(true, | |
2016 | "mlx5e_build_indir_tir_ctx: bad traffic type!\n"); | |
f62b8bb8 AV |
2017 | } |
2018 | } | |
2019 | ||
1da36696 TT |
2020 | static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
2021 | u32 rqtn) | |
f62b8bb8 | 2022 | { |
1da36696 TT |
2023 | MLX5_SET(tirc, tirc, transport_domain, priv->tdn); |
2024 | ||
2025 | mlx5e_build_tir_ctx_lro(tirc, priv); | |
2026 | ||
2027 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); | |
2028 | MLX5_SET(tirc, tirc, indirect_table, rqtn); | |
2029 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); | |
2030 | } | |
2031 | ||
2032 | static int mlx5e_create_tirs(struct mlx5e_priv *priv) | |
2033 | { | |
2034 | int nch = mlx5e_get_max_num_channels(priv->mdev); | |
f62b8bb8 AV |
2035 | void *tirc; |
2036 | int inlen; | |
1da36696 | 2037 | u32 *tirn; |
f62b8bb8 | 2038 | int err; |
1da36696 TT |
2039 | u32 *in; |
2040 | int ix; | |
2041 | int tt; | |
f62b8bb8 AV |
2042 | |
2043 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
2044 | in = mlx5_vzalloc(inlen); | |
2045 | if (!in) | |
2046 | return -ENOMEM; | |
2047 | ||
1da36696 TT |
2048 | /* indirect tirs */ |
2049 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { | |
2050 | memset(in, 0, inlen); | |
2051 | tirn = &priv->indir_tirn[tt]; | |
2052 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
2053 | mlx5e_build_indir_tir_ctx(priv, tirc, tt); | |
2054 | err = mlx5_core_create_tir(priv->mdev, in, inlen, tirn); | |
f62b8bb8 | 2055 | if (err) |
40ab6a6e | 2056 | goto err_destroy_tirs; |
f62b8bb8 AV |
2057 | } |
2058 | ||
1da36696 TT |
2059 | /* direct tirs */ |
2060 | for (ix = 0; ix < nch; ix++) { | |
2061 | memset(in, 0, inlen); | |
2062 | tirn = &priv->direct_tir[ix].tirn; | |
2063 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
2064 | mlx5e_build_direct_tir_ctx(priv, tirc, | |
2065 | priv->direct_tir[ix].rqtn); | |
2066 | err = mlx5_core_create_tir(priv->mdev, in, inlen, tirn); | |
2067 | if (err) | |
2068 | goto err_destroy_ch_tirs; | |
2069 | } | |
2070 | ||
2071 | kvfree(in); | |
2072 | ||
f62b8bb8 AV |
2073 | return 0; |
2074 | ||
1da36696 TT |
2075 | err_destroy_ch_tirs: |
2076 | for (ix--; ix >= 0; ix--) | |
2077 | mlx5_core_destroy_tir(priv->mdev, priv->direct_tir[ix].tirn); | |
2078 | ||
40ab6a6e | 2079 | err_destroy_tirs: |
1da36696 TT |
2080 | for (tt--; tt >= 0; tt--) |
2081 | mlx5_core_destroy_tir(priv->mdev, priv->indir_tirn[tt]); | |
2082 | ||
2083 | kvfree(in); | |
f62b8bb8 AV |
2084 | |
2085 | return err; | |
2086 | } | |
2087 | ||
40ab6a6e | 2088 | static void mlx5e_destroy_tirs(struct mlx5e_priv *priv) |
f62b8bb8 | 2089 | { |
1da36696 | 2090 | int nch = mlx5e_get_max_num_channels(priv->mdev); |
f62b8bb8 AV |
2091 | int i; |
2092 | ||
1da36696 TT |
2093 | for (i = 0; i < nch; i++) |
2094 | mlx5_core_destroy_tir(priv->mdev, priv->direct_tir[i].tirn); | |
2095 | ||
2096 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) | |
2097 | mlx5_core_destroy_tir(priv->mdev, priv->indir_tirn[i]); | |
f62b8bb8 AV |
2098 | } |
2099 | ||
36350114 GP |
2100 | int mlx5e_modify_rqs_vsd(struct mlx5e_priv *priv, bool vsd) |
2101 | { | |
2102 | int err = 0; | |
2103 | int i; | |
2104 | ||
2105 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
2106 | return 0; | |
2107 | ||
2108 | for (i = 0; i < priv->params.num_channels; i++) { | |
2109 | err = mlx5e_modify_rq_vsd(&priv->channel[i]->rq, vsd); | |
2110 | if (err) | |
2111 | return err; | |
2112 | } | |
2113 | ||
2114 | return 0; | |
2115 | } | |
2116 | ||
08fb1dac SM |
2117 | static int mlx5e_setup_tc(struct net_device *netdev, u8 tc) |
2118 | { | |
2119 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2120 | bool was_opened; | |
2121 | int err = 0; | |
2122 | ||
2123 | if (tc && tc != MLX5E_MAX_NUM_TC) | |
2124 | return -EINVAL; | |
2125 | ||
2126 | mutex_lock(&priv->state_lock); | |
2127 | ||
2128 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); | |
2129 | if (was_opened) | |
2130 | mlx5e_close_locked(priv->netdev); | |
2131 | ||
2132 | priv->params.num_tc = tc ? tc : 1; | |
2133 | ||
2134 | if (was_opened) | |
2135 | err = mlx5e_open_locked(priv->netdev); | |
2136 | ||
2137 | mutex_unlock(&priv->state_lock); | |
2138 | ||
2139 | return err; | |
2140 | } | |
2141 | ||
2142 | static int mlx5e_ndo_setup_tc(struct net_device *dev, u32 handle, | |
2143 | __be16 proto, struct tc_to_netdev *tc) | |
2144 | { | |
e8f887ac AV |
2145 | struct mlx5e_priv *priv = netdev_priv(dev); |
2146 | ||
2147 | if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS)) | |
2148 | goto mqprio; | |
2149 | ||
2150 | switch (tc->type) { | |
e3a2b7ed AV |
2151 | case TC_SETUP_CLSFLOWER: |
2152 | switch (tc->cls_flower->command) { | |
2153 | case TC_CLSFLOWER_REPLACE: | |
2154 | return mlx5e_configure_flower(priv, proto, tc->cls_flower); | |
2155 | case TC_CLSFLOWER_DESTROY: | |
2156 | return mlx5e_delete_flower(priv, tc->cls_flower); | |
aad7e08d AV |
2157 | case TC_CLSFLOWER_STATS: |
2158 | return mlx5e_stats_flower(priv, tc->cls_flower); | |
e3a2b7ed | 2159 | } |
e8f887ac AV |
2160 | default: |
2161 | return -EOPNOTSUPP; | |
2162 | } | |
2163 | ||
2164 | mqprio: | |
67ba422e | 2165 | if (tc->type != TC_SETUP_MQPRIO) |
08fb1dac SM |
2166 | return -EINVAL; |
2167 | ||
2168 | return mlx5e_setup_tc(dev, tc->tc); | |
2169 | } | |
2170 | ||
f62b8bb8 AV |
2171 | static struct rtnl_link_stats64 * |
2172 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) | |
2173 | { | |
2174 | struct mlx5e_priv *priv = netdev_priv(dev); | |
9218b44d | 2175 | struct mlx5e_sw_stats *sstats = &priv->stats.sw; |
f62b8bb8 | 2176 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; |
269e6b3a | 2177 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
f62b8bb8 | 2178 | |
9218b44d GP |
2179 | stats->rx_packets = sstats->rx_packets; |
2180 | stats->rx_bytes = sstats->rx_bytes; | |
2181 | stats->tx_packets = sstats->tx_packets; | |
2182 | stats->tx_bytes = sstats->tx_bytes; | |
269e6b3a GP |
2183 | |
2184 | stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer; | |
9218b44d | 2185 | stats->tx_dropped = sstats->tx_queue_dropped; |
269e6b3a GP |
2186 | |
2187 | stats->rx_length_errors = | |
9218b44d GP |
2188 | PPORT_802_3_GET(pstats, a_in_range_length_errors) + |
2189 | PPORT_802_3_GET(pstats, a_out_of_range_length_field) + | |
2190 | PPORT_802_3_GET(pstats, a_frame_too_long_errors); | |
269e6b3a | 2191 | stats->rx_crc_errors = |
9218b44d GP |
2192 | PPORT_802_3_GET(pstats, a_frame_check_sequence_errors); |
2193 | stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors); | |
2194 | stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards); | |
269e6b3a | 2195 | stats->tx_carrier_errors = |
9218b44d | 2196 | PPORT_802_3_GET(pstats, a_symbol_error_during_carrier); |
269e6b3a GP |
2197 | stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + |
2198 | stats->rx_frame_errors; | |
2199 | stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; | |
2200 | ||
2201 | /* vport multicast also counts packets that are dropped due to steering | |
2202 | * or rx out of buffer | |
2203 | */ | |
9218b44d GP |
2204 | stats->multicast = |
2205 | VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); | |
f62b8bb8 AV |
2206 | |
2207 | return stats; | |
2208 | } | |
2209 | ||
2210 | static void mlx5e_set_rx_mode(struct net_device *dev) | |
2211 | { | |
2212 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2213 | ||
7bb29755 | 2214 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
2215 | } |
2216 | ||
2217 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) | |
2218 | { | |
2219 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2220 | struct sockaddr *saddr = addr; | |
2221 | ||
2222 | if (!is_valid_ether_addr(saddr->sa_data)) | |
2223 | return -EADDRNOTAVAIL; | |
2224 | ||
2225 | netif_addr_lock_bh(netdev); | |
2226 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); | |
2227 | netif_addr_unlock_bh(netdev); | |
2228 | ||
7bb29755 | 2229 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
2230 | |
2231 | return 0; | |
2232 | } | |
2233 | ||
0e405443 GP |
2234 | #define MLX5E_SET_FEATURE(netdev, feature, enable) \ |
2235 | do { \ | |
2236 | if (enable) \ | |
2237 | netdev->features |= feature; \ | |
2238 | else \ | |
2239 | netdev->features &= ~feature; \ | |
2240 | } while (0) | |
2241 | ||
2242 | typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable); | |
2243 | ||
2244 | static int set_feature_lro(struct net_device *netdev, bool enable) | |
f62b8bb8 AV |
2245 | { |
2246 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
0e405443 GP |
2247 | bool was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
2248 | int err; | |
f62b8bb8 AV |
2249 | |
2250 | mutex_lock(&priv->state_lock); | |
f62b8bb8 | 2251 | |
0e405443 GP |
2252 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
2253 | mlx5e_close_locked(priv->netdev); | |
98e81b0a | 2254 | |
0e405443 GP |
2255 | priv->params.lro_en = enable; |
2256 | err = mlx5e_modify_tirs_lro(priv); | |
2257 | if (err) { | |
2258 | netdev_err(netdev, "lro modify failed, %d\n", err); | |
2259 | priv->params.lro_en = !enable; | |
98e81b0a | 2260 | } |
f62b8bb8 | 2261 | |
0e405443 GP |
2262 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
2263 | mlx5e_open_locked(priv->netdev); | |
2264 | ||
9b37b07f AS |
2265 | mutex_unlock(&priv->state_lock); |
2266 | ||
0e405443 GP |
2267 | return err; |
2268 | } | |
2269 | ||
2270 | static int set_feature_vlan_filter(struct net_device *netdev, bool enable) | |
2271 | { | |
2272 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2273 | ||
2274 | if (enable) | |
2275 | mlx5e_enable_vlan_filter(priv); | |
2276 | else | |
2277 | mlx5e_disable_vlan_filter(priv); | |
2278 | ||
2279 | return 0; | |
2280 | } | |
2281 | ||
2282 | static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) | |
2283 | { | |
2284 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
f62b8bb8 | 2285 | |
0e405443 | 2286 | if (!enable && mlx5e_tc_num_filters(priv)) { |
e8f887ac AV |
2287 | netdev_err(netdev, |
2288 | "Active offloaded tc filters, can't turn hw_tc_offload off\n"); | |
2289 | return -EINVAL; | |
2290 | } | |
2291 | ||
0e405443 GP |
2292 | return 0; |
2293 | } | |
2294 | ||
94cb1ebb EBE |
2295 | static int set_feature_rx_all(struct net_device *netdev, bool enable) |
2296 | { | |
2297 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2298 | struct mlx5_core_dev *mdev = priv->mdev; | |
2299 | ||
2300 | return mlx5_set_port_fcs(mdev, !enable); | |
2301 | } | |
2302 | ||
36350114 GP |
2303 | static int set_feature_rx_vlan(struct net_device *netdev, bool enable) |
2304 | { | |
2305 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2306 | int err; | |
2307 | ||
2308 | mutex_lock(&priv->state_lock); | |
2309 | ||
2310 | priv->params.vlan_strip_disable = !enable; | |
2311 | err = mlx5e_modify_rqs_vsd(priv, !enable); | |
2312 | if (err) | |
2313 | priv->params.vlan_strip_disable = enable; | |
2314 | ||
2315 | mutex_unlock(&priv->state_lock); | |
2316 | ||
2317 | return err; | |
2318 | } | |
2319 | ||
45bf454a MG |
2320 | #ifdef CONFIG_RFS_ACCEL |
2321 | static int set_feature_arfs(struct net_device *netdev, bool enable) | |
2322 | { | |
2323 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2324 | int err; | |
2325 | ||
2326 | if (enable) | |
2327 | err = mlx5e_arfs_enable(priv); | |
2328 | else | |
2329 | err = mlx5e_arfs_disable(priv); | |
2330 | ||
2331 | return err; | |
2332 | } | |
2333 | #endif | |
2334 | ||
0e405443 GP |
2335 | static int mlx5e_handle_feature(struct net_device *netdev, |
2336 | netdev_features_t wanted_features, | |
2337 | netdev_features_t feature, | |
2338 | mlx5e_feature_handler feature_handler) | |
2339 | { | |
2340 | netdev_features_t changes = wanted_features ^ netdev->features; | |
2341 | bool enable = !!(wanted_features & feature); | |
2342 | int err; | |
2343 | ||
2344 | if (!(changes & feature)) | |
2345 | return 0; | |
2346 | ||
2347 | err = feature_handler(netdev, enable); | |
2348 | if (err) { | |
2349 | netdev_err(netdev, "%s feature 0x%llx failed err %d\n", | |
2350 | enable ? "Enable" : "Disable", feature, err); | |
2351 | return err; | |
2352 | } | |
2353 | ||
2354 | MLX5E_SET_FEATURE(netdev, feature, enable); | |
2355 | return 0; | |
2356 | } | |
2357 | ||
2358 | static int mlx5e_set_features(struct net_device *netdev, | |
2359 | netdev_features_t features) | |
2360 | { | |
2361 | int err; | |
2362 | ||
2363 | err = mlx5e_handle_feature(netdev, features, NETIF_F_LRO, | |
2364 | set_feature_lro); | |
2365 | err |= mlx5e_handle_feature(netdev, features, | |
2366 | NETIF_F_HW_VLAN_CTAG_FILTER, | |
2367 | set_feature_vlan_filter); | |
2368 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_TC, | |
2369 | set_feature_tc_num_filters); | |
94cb1ebb EBE |
2370 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXALL, |
2371 | set_feature_rx_all); | |
36350114 GP |
2372 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_VLAN_CTAG_RX, |
2373 | set_feature_rx_vlan); | |
45bf454a MG |
2374 | #ifdef CONFIG_RFS_ACCEL |
2375 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_NTUPLE, | |
2376 | set_feature_arfs); | |
2377 | #endif | |
0e405443 GP |
2378 | |
2379 | return err ? -EINVAL : 0; | |
f62b8bb8 AV |
2380 | } |
2381 | ||
d8edd246 SM |
2382 | #define MXL5_HW_MIN_MTU 64 |
2383 | #define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) | |
2384 | ||
f62b8bb8 AV |
2385 | static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) |
2386 | { | |
2387 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2388 | struct mlx5_core_dev *mdev = priv->mdev; | |
98e81b0a | 2389 | bool was_opened; |
046339ea | 2390 | u16 max_mtu; |
d8edd246 | 2391 | u16 min_mtu; |
98e81b0a | 2392 | int err = 0; |
f62b8bb8 | 2393 | |
facc9699 | 2394 | mlx5_query_port_max_mtu(mdev, &max_mtu, 1); |
f62b8bb8 | 2395 | |
50a9eea6 | 2396 | max_mtu = MLX5E_HW2SW_MTU(max_mtu); |
d8edd246 | 2397 | min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); |
50a9eea6 | 2398 | |
d8edd246 | 2399 | if (new_mtu > max_mtu || new_mtu < min_mtu) { |
facc9699 | 2400 | netdev_err(netdev, |
d8edd246 SM |
2401 | "%s: Bad MTU (%d), valid range is: [%d..%d]\n", |
2402 | __func__, new_mtu, min_mtu, max_mtu); | |
f62b8bb8 AV |
2403 | return -EINVAL; |
2404 | } | |
2405 | ||
2406 | mutex_lock(&priv->state_lock); | |
98e81b0a AS |
2407 | |
2408 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); | |
2409 | if (was_opened) | |
2410 | mlx5e_close_locked(netdev); | |
2411 | ||
f62b8bb8 | 2412 | netdev->mtu = new_mtu; |
98e81b0a AS |
2413 | |
2414 | if (was_opened) | |
2415 | err = mlx5e_open_locked(netdev); | |
2416 | ||
f62b8bb8 AV |
2417 | mutex_unlock(&priv->state_lock); |
2418 | ||
2419 | return err; | |
2420 | } | |
2421 | ||
ef9814de EBE |
2422 | static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
2423 | { | |
2424 | switch (cmd) { | |
2425 | case SIOCSHWTSTAMP: | |
2426 | return mlx5e_hwstamp_set(dev, ifr); | |
2427 | case SIOCGHWTSTAMP: | |
2428 | return mlx5e_hwstamp_get(dev, ifr); | |
2429 | default: | |
2430 | return -EOPNOTSUPP; | |
2431 | } | |
2432 | } | |
2433 | ||
66e49ded SM |
2434 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
2435 | { | |
2436 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2437 | struct mlx5_core_dev *mdev = priv->mdev; | |
2438 | ||
2439 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); | |
2440 | } | |
2441 | ||
2442 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) | |
2443 | { | |
2444 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2445 | struct mlx5_core_dev *mdev = priv->mdev; | |
2446 | ||
2447 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, | |
2448 | vlan, qos); | |
2449 | } | |
2450 | ||
f942380c MHY |
2451 | static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
2452 | { | |
2453 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2454 | struct mlx5_core_dev *mdev = priv->mdev; | |
2455 | ||
2456 | return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting); | |
2457 | } | |
2458 | ||
1edc57e2 MHY |
2459 | static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting) |
2460 | { | |
2461 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2462 | struct mlx5_core_dev *mdev = priv->mdev; | |
2463 | ||
2464 | return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting); | |
2465 | } | |
66e49ded SM |
2466 | static int mlx5_vport_link2ifla(u8 esw_link) |
2467 | { | |
2468 | switch (esw_link) { | |
2469 | case MLX5_ESW_VPORT_ADMIN_STATE_DOWN: | |
2470 | return IFLA_VF_LINK_STATE_DISABLE; | |
2471 | case MLX5_ESW_VPORT_ADMIN_STATE_UP: | |
2472 | return IFLA_VF_LINK_STATE_ENABLE; | |
2473 | } | |
2474 | return IFLA_VF_LINK_STATE_AUTO; | |
2475 | } | |
2476 | ||
2477 | static int mlx5_ifla_link2vport(u8 ifla_link) | |
2478 | { | |
2479 | switch (ifla_link) { | |
2480 | case IFLA_VF_LINK_STATE_DISABLE: | |
2481 | return MLX5_ESW_VPORT_ADMIN_STATE_DOWN; | |
2482 | case IFLA_VF_LINK_STATE_ENABLE: | |
2483 | return MLX5_ESW_VPORT_ADMIN_STATE_UP; | |
2484 | } | |
2485 | return MLX5_ESW_VPORT_ADMIN_STATE_AUTO; | |
2486 | } | |
2487 | ||
2488 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, | |
2489 | int link_state) | |
2490 | { | |
2491 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2492 | struct mlx5_core_dev *mdev = priv->mdev; | |
2493 | ||
2494 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, | |
2495 | mlx5_ifla_link2vport(link_state)); | |
2496 | } | |
2497 | ||
2498 | static int mlx5e_get_vf_config(struct net_device *dev, | |
2499 | int vf, struct ifla_vf_info *ivi) | |
2500 | { | |
2501 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2502 | struct mlx5_core_dev *mdev = priv->mdev; | |
2503 | int err; | |
2504 | ||
2505 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); | |
2506 | if (err) | |
2507 | return err; | |
2508 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); | |
2509 | return 0; | |
2510 | } | |
2511 | ||
2512 | static int mlx5e_get_vf_stats(struct net_device *dev, | |
2513 | int vf, struct ifla_vf_stats *vf_stats) | |
2514 | { | |
2515 | struct mlx5e_priv *priv = netdev_priv(dev); | |
2516 | struct mlx5_core_dev *mdev = priv->mdev; | |
2517 | ||
2518 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, | |
2519 | vf_stats); | |
2520 | } | |
2521 | ||
b3f63c3d | 2522 | static void mlx5e_add_vxlan_port(struct net_device *netdev, |
974c3f30 | 2523 | struct udp_tunnel_info *ti) |
b3f63c3d MF |
2524 | { |
2525 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2526 | ||
974c3f30 AD |
2527 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
2528 | return; | |
2529 | ||
b3f63c3d MF |
2530 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
2531 | return; | |
2532 | ||
974c3f30 | 2533 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 1); |
b3f63c3d MF |
2534 | } |
2535 | ||
2536 | static void mlx5e_del_vxlan_port(struct net_device *netdev, | |
974c3f30 | 2537 | struct udp_tunnel_info *ti) |
b3f63c3d MF |
2538 | { |
2539 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2540 | ||
974c3f30 AD |
2541 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
2542 | return; | |
2543 | ||
b3f63c3d MF |
2544 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
2545 | return; | |
2546 | ||
974c3f30 | 2547 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 0); |
b3f63c3d MF |
2548 | } |
2549 | ||
2550 | static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, | |
2551 | struct sk_buff *skb, | |
2552 | netdev_features_t features) | |
2553 | { | |
2554 | struct udphdr *udph; | |
2555 | u16 proto; | |
2556 | u16 port = 0; | |
2557 | ||
2558 | switch (vlan_get_protocol(skb)) { | |
2559 | case htons(ETH_P_IP): | |
2560 | proto = ip_hdr(skb)->protocol; | |
2561 | break; | |
2562 | case htons(ETH_P_IPV6): | |
2563 | proto = ipv6_hdr(skb)->nexthdr; | |
2564 | break; | |
2565 | default: | |
2566 | goto out; | |
2567 | } | |
2568 | ||
2569 | if (proto == IPPROTO_UDP) { | |
2570 | udph = udp_hdr(skb); | |
2571 | port = be16_to_cpu(udph->dest); | |
2572 | } | |
2573 | ||
2574 | /* Verify if UDP port is being offloaded by HW */ | |
2575 | if (port && mlx5e_vxlan_lookup_port(priv, port)) | |
2576 | return features; | |
2577 | ||
2578 | out: | |
2579 | /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ | |
2580 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); | |
2581 | } | |
2582 | ||
2583 | static netdev_features_t mlx5e_features_check(struct sk_buff *skb, | |
2584 | struct net_device *netdev, | |
2585 | netdev_features_t features) | |
2586 | { | |
2587 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2588 | ||
2589 | features = vlan_features_check(skb, features); | |
2590 | features = vxlan_features_check(skb, features); | |
2591 | ||
2592 | /* Validate if the tunneled packet is being offloaded by HW */ | |
2593 | if (skb->encapsulation && | |
2594 | (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK)) | |
2595 | return mlx5e_vxlan_features_check(priv, skb, features); | |
2596 | ||
2597 | return features; | |
2598 | } | |
2599 | ||
b0eed40e | 2600 | static const struct net_device_ops mlx5e_netdev_ops_basic = { |
f62b8bb8 AV |
2601 | .ndo_open = mlx5e_open, |
2602 | .ndo_stop = mlx5e_close, | |
2603 | .ndo_start_xmit = mlx5e_xmit, | |
08fb1dac SM |
2604 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
2605 | .ndo_select_queue = mlx5e_select_queue, | |
f62b8bb8 AV |
2606 | .ndo_get_stats64 = mlx5e_get_stats, |
2607 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
2608 | .ndo_set_mac_address = mlx5e_set_mac, | |
b0eed40e SM |
2609 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
2610 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
f62b8bb8 | 2611 | .ndo_set_features = mlx5e_set_features, |
b0eed40e SM |
2612 | .ndo_change_mtu = mlx5e_change_mtu, |
2613 | .ndo_do_ioctl = mlx5e_ioctl, | |
45bf454a MG |
2614 | #ifdef CONFIG_RFS_ACCEL |
2615 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, | |
2616 | #endif | |
b0eed40e SM |
2617 | }; |
2618 | ||
2619 | static const struct net_device_ops mlx5e_netdev_ops_sriov = { | |
2620 | .ndo_open = mlx5e_open, | |
2621 | .ndo_stop = mlx5e_close, | |
2622 | .ndo_start_xmit = mlx5e_xmit, | |
08fb1dac SM |
2623 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
2624 | .ndo_select_queue = mlx5e_select_queue, | |
b0eed40e SM |
2625 | .ndo_get_stats64 = mlx5e_get_stats, |
2626 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
2627 | .ndo_set_mac_address = mlx5e_set_mac, | |
2628 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, | |
2629 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
2630 | .ndo_set_features = mlx5e_set_features, | |
2631 | .ndo_change_mtu = mlx5e_change_mtu, | |
2632 | .ndo_do_ioctl = mlx5e_ioctl, | |
974c3f30 AD |
2633 | .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, |
2634 | .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, | |
b3f63c3d | 2635 | .ndo_features_check = mlx5e_features_check, |
45bf454a MG |
2636 | #ifdef CONFIG_RFS_ACCEL |
2637 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, | |
2638 | #endif | |
b0eed40e SM |
2639 | .ndo_set_vf_mac = mlx5e_set_vf_mac, |
2640 | .ndo_set_vf_vlan = mlx5e_set_vf_vlan, | |
f942380c | 2641 | .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk, |
1edc57e2 | 2642 | .ndo_set_vf_trust = mlx5e_set_vf_trust, |
b0eed40e SM |
2643 | .ndo_get_vf_config = mlx5e_get_vf_config, |
2644 | .ndo_set_vf_link_state = mlx5e_set_vf_link_state, | |
2645 | .ndo_get_vf_stats = mlx5e_get_vf_stats, | |
f62b8bb8 AV |
2646 | }; |
2647 | ||
2648 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) | |
2649 | { | |
2650 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) | |
2651 | return -ENOTSUPP; | |
2652 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || | |
2653 | !MLX5_CAP_GEN(mdev, nic_flow_table) || | |
2654 | !MLX5_CAP_ETH(mdev, csum_cap) || | |
2655 | !MLX5_CAP_ETH(mdev, max_lso_cap) || | |
2656 | !MLX5_CAP_ETH(mdev, vlan_cap) || | |
796a27ec GP |
2657 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
2658 | MLX5_CAP_FLOWTABLE(mdev, | |
2659 | flow_table_properties_nic_receive.max_ft_level) | |
2660 | < 3) { | |
f62b8bb8 AV |
2661 | mlx5_core_warn(mdev, |
2662 | "Not creating net device, some required device capabilities are missing\n"); | |
2663 | return -ENOTSUPP; | |
2664 | } | |
66189961 TT |
2665 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
2666 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); | |
7524a5d8 GP |
2667 | if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
2668 | mlx5_core_warn(mdev, "CQ modiration is not supported\n"); | |
66189961 | 2669 | |
f62b8bb8 AV |
2670 | return 0; |
2671 | } | |
2672 | ||
58d52291 AS |
2673 | u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) |
2674 | { | |
2675 | int bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; | |
2676 | ||
2677 | return bf_buf_size - | |
2678 | sizeof(struct mlx5e_tx_wqe) + | |
2679 | 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; | |
2680 | } | |
2681 | ||
08fb1dac SM |
2682 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
2683 | static void mlx5e_ets_init(struct mlx5e_priv *priv) | |
2684 | { | |
2685 | int i; | |
2686 | ||
2687 | priv->params.ets.ets_cap = mlx5_max_tc(priv->mdev) + 1; | |
2688 | for (i = 0; i < priv->params.ets.ets_cap; i++) { | |
2689 | priv->params.ets.tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC; | |
2690 | priv->params.ets.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR; | |
2691 | priv->params.ets.prio_tc[i] = i; | |
2692 | } | |
2693 | ||
2694 | /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */ | |
2695 | priv->params.ets.prio_tc[0] = 1; | |
2696 | priv->params.ets.prio_tc[1] = 0; | |
2697 | } | |
2698 | #endif | |
2699 | ||
d8c9660d TT |
2700 | void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev, |
2701 | u32 *indirection_rqt, int len, | |
85082dba TT |
2702 | int num_channels) |
2703 | { | |
d8c9660d TT |
2704 | int node = mdev->priv.numa_node; |
2705 | int node_num_of_cores; | |
85082dba TT |
2706 | int i; |
2707 | ||
d8c9660d TT |
2708 | if (node == -1) |
2709 | node = first_online_node; | |
2710 | ||
2711 | node_num_of_cores = cpumask_weight(cpumask_of_node(node)); | |
2712 | ||
2713 | if (node_num_of_cores) | |
2714 | num_channels = min_t(int, num_channels, node_num_of_cores); | |
2715 | ||
85082dba TT |
2716 | for (i = 0; i < len; i++) |
2717 | indirection_rqt[i] = i % num_channels; | |
2718 | } | |
2719 | ||
bc77b240 TT |
2720 | static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) |
2721 | { | |
2722 | return MLX5_CAP_GEN(mdev, striding_rq) && | |
2723 | MLX5_CAP_GEN(mdev, umr_ptr_rlky) && | |
2724 | MLX5_CAP_ETH(mdev, reg_umr_sq); | |
2725 | } | |
2726 | ||
b797a684 SM |
2727 | static int mlx5e_get_pci_bw(struct mlx5_core_dev *mdev, u32 *pci_bw) |
2728 | { | |
2729 | enum pcie_link_width width; | |
2730 | enum pci_bus_speed speed; | |
2731 | int err = 0; | |
2732 | ||
2733 | err = pcie_get_minimum_link(mdev->pdev, &speed, &width); | |
2734 | if (err) | |
2735 | return err; | |
2736 | ||
2737 | if (speed == PCI_SPEED_UNKNOWN || width == PCIE_LNK_WIDTH_UNKNOWN) | |
2738 | return -EINVAL; | |
2739 | ||
2740 | switch (speed) { | |
2741 | case PCIE_SPEED_2_5GT: | |
2742 | *pci_bw = 2500 * width; | |
2743 | break; | |
2744 | case PCIE_SPEED_5_0GT: | |
2745 | *pci_bw = 5000 * width; | |
2746 | break; | |
2747 | case PCIE_SPEED_8_0GT: | |
2748 | *pci_bw = 8000 * width; | |
2749 | break; | |
2750 | default: | |
2751 | return -EINVAL; | |
2752 | } | |
2753 | ||
2754 | return 0; | |
2755 | } | |
2756 | ||
2757 | static bool cqe_compress_heuristic(u32 link_speed, u32 pci_bw) | |
2758 | { | |
2759 | return (link_speed && pci_bw && | |
2760 | (pci_bw < 40000) && (pci_bw < link_speed)); | |
2761 | } | |
2762 | ||
f62b8bb8 AV |
2763 | static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, |
2764 | struct net_device *netdev, | |
936896e9 | 2765 | int num_channels) |
f62b8bb8 AV |
2766 | { |
2767 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
b797a684 SM |
2768 | u32 link_speed = 0; |
2769 | u32 pci_bw = 0; | |
f62b8bb8 AV |
2770 | |
2771 | priv->params.log_sq_size = | |
2772 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; | |
bc77b240 | 2773 | priv->params.rq_wq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) ? |
461017cb TT |
2774 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : |
2775 | MLX5_WQ_TYPE_LINKED_LIST; | |
2776 | ||
b797a684 SM |
2777 | /* set CQE compression */ |
2778 | priv->params.rx_cqe_compress_admin = false; | |
2779 | if (MLX5_CAP_GEN(mdev, cqe_compression) && | |
2780 | MLX5_CAP_GEN(mdev, vport_group_manager)) { | |
2781 | mlx5e_get_max_linkspeed(mdev, &link_speed); | |
2782 | mlx5e_get_pci_bw(mdev, &pci_bw); | |
2783 | mlx5_core_dbg(mdev, "Max link speed = %d, PCI BW = %d\n", | |
2784 | link_speed, pci_bw); | |
2785 | priv->params.rx_cqe_compress_admin = | |
2786 | cqe_compress_heuristic(link_speed, pci_bw); | |
2787 | } | |
2788 | ||
2789 | priv->params.rx_cqe_compress = priv->params.rx_cqe_compress_admin; | |
2790 | ||
461017cb TT |
2791 | switch (priv->params.rq_wq_type) { |
2792 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
2793 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW; | |
d9d9f156 TT |
2794 | priv->params.mpwqe_log_stride_sz = |
2795 | priv->params.rx_cqe_compress ? | |
2796 | MLX5_MPWRQ_LOG_STRIDE_SIZE_CQE_COMPRESS : | |
2797 | MLX5_MPWRQ_LOG_STRIDE_SIZE; | |
2798 | priv->params.mpwqe_log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ - | |
2799 | priv->params.mpwqe_log_stride_sz; | |
461017cb TT |
2800 | priv->params.lro_en = true; |
2801 | break; | |
2802 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
2803 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; | |
2804 | } | |
2805 | ||
d9d9f156 TT |
2806 | mlx5_core_info(mdev, |
2807 | "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d)\n", | |
2808 | priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ, | |
2809 | BIT(priv->params.log_rq_size), | |
2810 | BIT(priv->params.mpwqe_log_stride_sz), | |
2811 | priv->params.rx_cqe_compress_admin); | |
2812 | ||
461017cb TT |
2813 | priv->params.min_rx_wqes = mlx5_min_rx_wqes(priv->params.rq_wq_type, |
2814 | BIT(priv->params.log_rq_size)); | |
f62b8bb8 AV |
2815 | priv->params.rx_cq_moderation_usec = |
2816 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; | |
2817 | priv->params.rx_cq_moderation_pkts = | |
2818 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; | |
2819 | priv->params.tx_cq_moderation_usec = | |
2820 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; | |
2821 | priv->params.tx_cq_moderation_pkts = | |
2822 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; | |
58d52291 | 2823 | priv->params.tx_max_inline = mlx5e_get_max_inline_cap(mdev); |
f62b8bb8 | 2824 | priv->params.num_tc = 1; |
2be6967c | 2825 | priv->params.rss_hfunc = ETH_RSS_HASH_XOR; |
f62b8bb8 | 2826 | |
57afead5 AS |
2827 | netdev_rss_key_fill(priv->params.toeplitz_hash_key, |
2828 | sizeof(priv->params.toeplitz_hash_key)); | |
2829 | ||
d8c9660d | 2830 | mlx5e_build_default_indir_rqt(mdev, priv->params.indirection_rqt, |
85082dba | 2831 | MLX5E_INDIR_RQT_SIZE, num_channels); |
2d75b2bc | 2832 | |
f62b8bb8 AV |
2833 | priv->params.lro_wqe_sz = |
2834 | MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; | |
2835 | ||
2836 | priv->mdev = mdev; | |
2837 | priv->netdev = netdev; | |
936896e9 | 2838 | priv->params.num_channels = num_channels; |
f62b8bb8 | 2839 | |
08fb1dac SM |
2840 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
2841 | mlx5e_ets_init(priv); | |
2842 | #endif | |
f62b8bb8 | 2843 | |
f62b8bb8 AV |
2844 | mutex_init(&priv->state_lock); |
2845 | ||
2846 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); | |
2847 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); | |
2848 | INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work); | |
2849 | } | |
2850 | ||
2851 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) | |
2852 | { | |
2853 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2854 | ||
e1d7d349 | 2855 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
108805fc SM |
2856 | if (is_zero_ether_addr(netdev->dev_addr) && |
2857 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { | |
2858 | eth_hw_addr_random(netdev); | |
2859 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); | |
2860 | } | |
f62b8bb8 AV |
2861 | } |
2862 | ||
2863 | static void mlx5e_build_netdev(struct net_device *netdev) | |
2864 | { | |
2865 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2866 | struct mlx5_core_dev *mdev = priv->mdev; | |
94cb1ebb EBE |
2867 | bool fcs_supported; |
2868 | bool fcs_enabled; | |
f62b8bb8 AV |
2869 | |
2870 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); | |
2871 | ||
08fb1dac | 2872 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
b0eed40e | 2873 | netdev->netdev_ops = &mlx5e_netdev_ops_sriov; |
08fb1dac SM |
2874 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
2875 | netdev->dcbnl_ops = &mlx5e_dcbnl_ops; | |
2876 | #endif | |
2877 | } else { | |
b0eed40e | 2878 | netdev->netdev_ops = &mlx5e_netdev_ops_basic; |
08fb1dac | 2879 | } |
66e49ded | 2880 | |
f62b8bb8 AV |
2881 | netdev->watchdog_timeo = 15 * HZ; |
2882 | ||
2883 | netdev->ethtool_ops = &mlx5e_ethtool_ops; | |
2884 | ||
12be4b21 | 2885 | netdev->vlan_features |= NETIF_F_SG; |
f62b8bb8 AV |
2886 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
2887 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; | |
2888 | netdev->vlan_features |= NETIF_F_GRO; | |
2889 | netdev->vlan_features |= NETIF_F_TSO; | |
2890 | netdev->vlan_features |= NETIF_F_TSO6; | |
2891 | netdev->vlan_features |= NETIF_F_RXCSUM; | |
2892 | netdev->vlan_features |= NETIF_F_RXHASH; | |
2893 | ||
2894 | if (!!MLX5_CAP_ETH(mdev, lro_cap)) | |
2895 | netdev->vlan_features |= NETIF_F_LRO; | |
2896 | ||
2897 | netdev->hw_features = netdev->vlan_features; | |
e4cf27bd | 2898 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
f62b8bb8 AV |
2899 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
2900 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; | |
2901 | ||
b3f63c3d | 2902 | if (mlx5e_vxlan_allowed(mdev)) { |
b49663c8 AD |
2903 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
2904 | NETIF_F_GSO_UDP_TUNNEL_CSUM | | |
2905 | NETIF_F_GSO_PARTIAL; | |
b3f63c3d | 2906 | netdev->hw_enc_features |= NETIF_F_IP_CSUM; |
f3ed653c | 2907 | netdev->hw_enc_features |= NETIF_F_IPV6_CSUM; |
b3f63c3d MF |
2908 | netdev->hw_enc_features |= NETIF_F_TSO; |
2909 | netdev->hw_enc_features |= NETIF_F_TSO6; | |
b3f63c3d | 2910 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; |
b49663c8 AD |
2911 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | |
2912 | NETIF_F_GSO_PARTIAL; | |
2913 | netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; | |
b3f63c3d MF |
2914 | } |
2915 | ||
94cb1ebb EBE |
2916 | mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); |
2917 | ||
2918 | if (fcs_supported) | |
2919 | netdev->hw_features |= NETIF_F_RXALL; | |
2920 | ||
f62b8bb8 AV |
2921 | netdev->features = netdev->hw_features; |
2922 | if (!priv->params.lro_en) | |
2923 | netdev->features &= ~NETIF_F_LRO; | |
2924 | ||
94cb1ebb EBE |
2925 | if (fcs_enabled) |
2926 | netdev->features &= ~NETIF_F_RXALL; | |
2927 | ||
e8f887ac AV |
2928 | #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) |
2929 | if (FT_CAP(flow_modify_en) && | |
2930 | FT_CAP(modify_root) && | |
2931 | FT_CAP(identified_miss_table_mode) && | |
1cabe6b0 MG |
2932 | FT_CAP(flow_table_modify)) { |
2933 | netdev->hw_features |= NETIF_F_HW_TC; | |
2934 | #ifdef CONFIG_RFS_ACCEL | |
2935 | netdev->hw_features |= NETIF_F_NTUPLE; | |
2936 | #endif | |
2937 | } | |
e8f887ac | 2938 | |
f62b8bb8 AV |
2939 | netdev->features |= NETIF_F_HIGHDMA; |
2940 | ||
2941 | netdev->priv_flags |= IFF_UNICAST_FLT; | |
2942 | ||
2943 | mlx5e_set_netdev_dev_addr(netdev); | |
2944 | } | |
2945 | ||
2946 | static int mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn, | |
a606b0f6 | 2947 | struct mlx5_core_mkey *mkey) |
f62b8bb8 AV |
2948 | { |
2949 | struct mlx5_core_dev *mdev = priv->mdev; | |
2950 | struct mlx5_create_mkey_mbox_in *in; | |
2951 | int err; | |
2952 | ||
2953 | in = mlx5_vzalloc(sizeof(*in)); | |
2954 | if (!in) | |
2955 | return -ENOMEM; | |
2956 | ||
2957 | in->seg.flags = MLX5_PERM_LOCAL_WRITE | | |
2958 | MLX5_PERM_LOCAL_READ | | |
2959 | MLX5_ACCESS_MODE_PA; | |
2960 | in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); | |
2961 | in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); | |
2962 | ||
a606b0f6 | 2963 | err = mlx5_core_create_mkey(mdev, mkey, in, sizeof(*in), NULL, NULL, |
f62b8bb8 AV |
2964 | NULL); |
2965 | ||
2966 | kvfree(in); | |
2967 | ||
2968 | return err; | |
2969 | } | |
2970 | ||
593cf338 RS |
2971 | static void mlx5e_create_q_counter(struct mlx5e_priv *priv) |
2972 | { | |
2973 | struct mlx5_core_dev *mdev = priv->mdev; | |
2974 | int err; | |
2975 | ||
2976 | err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter); | |
2977 | if (err) { | |
2978 | mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err); | |
2979 | priv->q_counter = 0; | |
2980 | } | |
2981 | } | |
2982 | ||
2983 | static void mlx5e_destroy_q_counter(struct mlx5e_priv *priv) | |
2984 | { | |
2985 | if (!priv->q_counter) | |
2986 | return; | |
2987 | ||
2988 | mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter); | |
2989 | } | |
2990 | ||
bc77b240 TT |
2991 | static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) |
2992 | { | |
2993 | struct mlx5_core_dev *mdev = priv->mdev; | |
2994 | struct mlx5_create_mkey_mbox_in *in; | |
2995 | struct mlx5_mkey_seg *mkc; | |
2996 | int inlen = sizeof(*in); | |
2997 | u64 npages = | |
2998 | mlx5e_get_max_num_channels(mdev) * MLX5_CHANNEL_MAX_NUM_MTTS; | |
2999 | int err; | |
3000 | ||
3001 | in = mlx5_vzalloc(inlen); | |
3002 | if (!in) | |
3003 | return -ENOMEM; | |
3004 | ||
3005 | mkc = &in->seg; | |
3006 | mkc->status = MLX5_MKEY_STATUS_FREE; | |
3007 | mkc->flags = MLX5_PERM_UMR_EN | | |
3008 | MLX5_PERM_LOCAL_READ | | |
3009 | MLX5_PERM_LOCAL_WRITE | | |
3010 | MLX5_ACCESS_MODE_MTT; | |
3011 | ||
3012 | mkc->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); | |
3013 | mkc->flags_pd = cpu_to_be32(priv->pdn); | |
3014 | mkc->len = cpu_to_be64(npages << PAGE_SHIFT); | |
3015 | mkc->xlt_oct_size = cpu_to_be32(mlx5e_get_mtt_octw(npages)); | |
3016 | mkc->log2_page_size = PAGE_SHIFT; | |
3017 | ||
3018 | err = mlx5_core_create_mkey(mdev, &priv->umr_mkey, in, inlen, NULL, | |
3019 | NULL, NULL); | |
3020 | ||
3021 | kvfree(in); | |
3022 | ||
3023 | return err; | |
3024 | } | |
3025 | ||
f62b8bb8 AV |
3026 | static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) |
3027 | { | |
3028 | struct net_device *netdev; | |
3029 | struct mlx5e_priv *priv; | |
3435ab59 | 3030 | int nch = mlx5e_get_max_num_channels(mdev); |
f62b8bb8 AV |
3031 | int err; |
3032 | ||
3033 | if (mlx5e_check_required_hca_cap(mdev)) | |
3034 | return NULL; | |
3035 | ||
08fb1dac SM |
3036 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), |
3037 | nch * MLX5E_MAX_NUM_TC, | |
3038 | nch); | |
f62b8bb8 AV |
3039 | if (!netdev) { |
3040 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); | |
3041 | return NULL; | |
3042 | } | |
3043 | ||
936896e9 | 3044 | mlx5e_build_netdev_priv(mdev, netdev, nch); |
f62b8bb8 AV |
3045 | mlx5e_build_netdev(netdev); |
3046 | ||
3047 | netif_carrier_off(netdev); | |
3048 | ||
3049 | priv = netdev_priv(netdev); | |
3050 | ||
7bb29755 MF |
3051 | priv->wq = create_singlethread_workqueue("mlx5e"); |
3052 | if (!priv->wq) | |
3053 | goto err_free_netdev; | |
3054 | ||
0ba42241 | 3055 | err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); |
f62b8bb8 | 3056 | if (err) { |
1f2a3003 | 3057 | mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); |
7bb29755 | 3058 | goto err_destroy_wq; |
f62b8bb8 AV |
3059 | } |
3060 | ||
3061 | err = mlx5_core_alloc_pd(mdev, &priv->pdn); | |
3062 | if (err) { | |
1f2a3003 | 3063 | mlx5_core_err(mdev, "alloc pd failed, %d\n", err); |
f62b8bb8 AV |
3064 | goto err_unmap_free_uar; |
3065 | } | |
3066 | ||
8d7f9ecb | 3067 | err = mlx5_core_alloc_transport_domain(mdev, &priv->tdn); |
3191e05f | 3068 | if (err) { |
1f2a3003 | 3069 | mlx5_core_err(mdev, "alloc td failed, %d\n", err); |
3191e05f AS |
3070 | goto err_dealloc_pd; |
3071 | } | |
3072 | ||
a606b0f6 | 3073 | err = mlx5e_create_mkey(priv, priv->pdn, &priv->mkey); |
f62b8bb8 | 3074 | if (err) { |
1f2a3003 | 3075 | mlx5_core_err(mdev, "create mkey failed, %d\n", err); |
3191e05f | 3076 | goto err_dealloc_transport_domain; |
f62b8bb8 AV |
3077 | } |
3078 | ||
bc77b240 TT |
3079 | err = mlx5e_create_umr_mkey(priv); |
3080 | if (err) { | |
3081 | mlx5_core_err(mdev, "create umr mkey failed, %d\n", err); | |
3082 | goto err_destroy_mkey; | |
3083 | } | |
3084 | ||
40ab6a6e | 3085 | err = mlx5e_create_tises(priv); |
5c50368f | 3086 | if (err) { |
40ab6a6e | 3087 | mlx5_core_warn(mdev, "create tises failed, %d\n", err); |
bc77b240 | 3088 | goto err_destroy_umr_mkey; |
5c50368f AS |
3089 | } |
3090 | ||
3091 | err = mlx5e_open_drop_rq(priv); | |
3092 | if (err) { | |
3093 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); | |
40ab6a6e | 3094 | goto err_destroy_tises; |
5c50368f AS |
3095 | } |
3096 | ||
1da36696 | 3097 | err = mlx5e_create_rqts(priv); |
5c50368f | 3098 | if (err) { |
1da36696 | 3099 | mlx5_core_warn(mdev, "create rqts failed, %d\n", err); |
5c50368f AS |
3100 | goto err_close_drop_rq; |
3101 | } | |
3102 | ||
40ab6a6e | 3103 | err = mlx5e_create_tirs(priv); |
5c50368f | 3104 | if (err) { |
40ab6a6e | 3105 | mlx5_core_warn(mdev, "create tirs failed, %d\n", err); |
1da36696 | 3106 | goto err_destroy_rqts; |
5c50368f AS |
3107 | } |
3108 | ||
acff797c | 3109 | err = mlx5e_create_flow_steering(priv); |
5c50368f | 3110 | if (err) { |
acff797c | 3111 | mlx5_core_warn(mdev, "create flow steering failed, %d\n", err); |
40ab6a6e | 3112 | goto err_destroy_tirs; |
5c50368f AS |
3113 | } |
3114 | ||
593cf338 RS |
3115 | mlx5e_create_q_counter(priv); |
3116 | ||
33cfaaa8 | 3117 | mlx5e_init_l2_addr(priv); |
5c50368f | 3118 | |
b3f63c3d MF |
3119 | mlx5e_vxlan_init(priv); |
3120 | ||
e8f887ac AV |
3121 | err = mlx5e_tc_init(priv); |
3122 | if (err) | |
593cf338 | 3123 | goto err_dealloc_q_counters; |
e8f887ac | 3124 | |
08fb1dac SM |
3125 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
3126 | mlx5e_dcbnl_ieee_setets_core(priv, &priv->params.ets); | |
3127 | #endif | |
3128 | ||
f62b8bb8 AV |
3129 | err = register_netdev(netdev); |
3130 | if (err) { | |
1f2a3003 | 3131 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); |
e8f887ac | 3132 | goto err_tc_cleanup; |
f62b8bb8 AV |
3133 | } |
3134 | ||
01a14098 MF |
3135 | if (mlx5e_vxlan_allowed(mdev)) { |
3136 | rtnl_lock(); | |
974c3f30 | 3137 | udp_tunnel_get_rx_info(netdev); |
01a14098 MF |
3138 | rtnl_unlock(); |
3139 | } | |
b3f63c3d | 3140 | |
f62b8bb8 | 3141 | mlx5e_enable_async_events(priv); |
7bb29755 | 3142 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
3143 | |
3144 | return priv; | |
3145 | ||
e8f887ac AV |
3146 | err_tc_cleanup: |
3147 | mlx5e_tc_cleanup(priv); | |
3148 | ||
593cf338 RS |
3149 | err_dealloc_q_counters: |
3150 | mlx5e_destroy_q_counter(priv); | |
acff797c | 3151 | mlx5e_destroy_flow_steering(priv); |
5c50368f | 3152 | |
40ab6a6e AS |
3153 | err_destroy_tirs: |
3154 | mlx5e_destroy_tirs(priv); | |
5c50368f | 3155 | |
1da36696 TT |
3156 | err_destroy_rqts: |
3157 | mlx5e_destroy_rqts(priv); | |
5c50368f AS |
3158 | |
3159 | err_close_drop_rq: | |
3160 | mlx5e_close_drop_rq(priv); | |
3161 | ||
40ab6a6e AS |
3162 | err_destroy_tises: |
3163 | mlx5e_destroy_tises(priv); | |
5c50368f | 3164 | |
bc77b240 TT |
3165 | err_destroy_umr_mkey: |
3166 | mlx5_core_destroy_mkey(mdev, &priv->umr_mkey); | |
3167 | ||
f62b8bb8 | 3168 | err_destroy_mkey: |
a606b0f6 | 3169 | mlx5_core_destroy_mkey(mdev, &priv->mkey); |
f62b8bb8 | 3170 | |
3191e05f | 3171 | err_dealloc_transport_domain: |
8d7f9ecb | 3172 | mlx5_core_dealloc_transport_domain(mdev, priv->tdn); |
3191e05f | 3173 | |
f62b8bb8 AV |
3174 | err_dealloc_pd: |
3175 | mlx5_core_dealloc_pd(mdev, priv->pdn); | |
3176 | ||
3177 | err_unmap_free_uar: | |
3178 | mlx5_unmap_free_uar(mdev, &priv->cq_uar); | |
3179 | ||
7bb29755 MF |
3180 | err_destroy_wq: |
3181 | destroy_workqueue(priv->wq); | |
3182 | ||
f62b8bb8 AV |
3183 | err_free_netdev: |
3184 | free_netdev(netdev); | |
3185 | ||
3186 | return NULL; | |
3187 | } | |
3188 | ||
3189 | static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) | |
3190 | { | |
3191 | struct mlx5e_priv *priv = vpriv; | |
3192 | struct net_device *netdev = priv->netdev; | |
3193 | ||
9b37b07f AS |
3194 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); |
3195 | ||
7bb29755 | 3196 | queue_work(priv->wq, &priv->set_rx_mode_work); |
1cefa326 | 3197 | mlx5e_disable_async_events(priv); |
7bb29755 | 3198 | flush_workqueue(priv->wq); |
5fc7197d MD |
3199 | if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { |
3200 | netif_device_detach(netdev); | |
811afeaa | 3201 | mlx5e_close(netdev); |
5fc7197d MD |
3202 | } else { |
3203 | unregister_netdev(netdev); | |
3204 | } | |
3205 | ||
e8f887ac | 3206 | mlx5e_tc_cleanup(priv); |
b3f63c3d | 3207 | mlx5e_vxlan_cleanup(priv); |
593cf338 | 3208 | mlx5e_destroy_q_counter(priv); |
acff797c | 3209 | mlx5e_destroy_flow_steering(priv); |
40ab6a6e | 3210 | mlx5e_destroy_tirs(priv); |
1da36696 | 3211 | mlx5e_destroy_rqts(priv); |
5c50368f | 3212 | mlx5e_close_drop_rq(priv); |
40ab6a6e | 3213 | mlx5e_destroy_tises(priv); |
bc77b240 | 3214 | mlx5_core_destroy_mkey(priv->mdev, &priv->umr_mkey); |
a606b0f6 | 3215 | mlx5_core_destroy_mkey(priv->mdev, &priv->mkey); |
8d7f9ecb | 3216 | mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); |
f62b8bb8 AV |
3217 | mlx5_core_dealloc_pd(priv->mdev, priv->pdn); |
3218 | mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); | |
7bb29755 MF |
3219 | cancel_delayed_work_sync(&priv->update_stats_work); |
3220 | destroy_workqueue(priv->wq); | |
5fc7197d MD |
3221 | |
3222 | if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) | |
3223 | free_netdev(netdev); | |
f62b8bb8 AV |
3224 | } |
3225 | ||
3226 | static void *mlx5e_get_netdev(void *vpriv) | |
3227 | { | |
3228 | struct mlx5e_priv *priv = vpriv; | |
3229 | ||
3230 | return priv->netdev; | |
3231 | } | |
3232 | ||
3233 | static struct mlx5_interface mlx5e_interface = { | |
3234 | .add = mlx5e_create_netdev, | |
3235 | .remove = mlx5e_destroy_netdev, | |
3236 | .event = mlx5e_async_event, | |
3237 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, | |
3238 | .get_dev = mlx5e_get_netdev, | |
3239 | }; | |
3240 | ||
3241 | void mlx5e_init(void) | |
3242 | { | |
3243 | mlx5_register_interface(&mlx5e_interface); | |
3244 | } | |
3245 | ||
3246 | void mlx5e_cleanup(void) | |
3247 | { | |
3248 | mlx5_unregister_interface(&mlx5e_interface); | |
3249 | } |