2 * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
33 #include <net/tc_act/tc_gact.h>
34 #include <net/pkt_cls.h>
35 #include <linux/mlx5/fs.h>
36 #include <net/vxlan.h>
37 #include <net/geneve.h>
38 #include <linux/bpf.h>
39 #include <linux/if_bridge.h>
40 #include <net/page_pool.h>
41 #include <net/xdp_sock_drv.h>
47 #include "en_accel/ipsec.h"
48 #include "en_accel/en_accel.h"
49 #include "en_accel/tls.h"
50 #include "accel/ipsec.h"
51 #include "accel/tls.h"
52 #include "lib/vxlan.h"
53 #include "lib/clock.h"
57 #include "en/monitor_stats.h"
58 #include "en/health.h"
59 #include "en/params.h"
60 #include "en/xsk/pool.h"
61 #include "en/xsk/setup.h"
62 #include "en/xsk/rx.h"
63 #include "en/xsk/tx.h"
64 #include "en/hv_vhca_stats.h"
65 #include "en/devlink.h"
70 #include "fpga/ipsec.h"
72 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
74 bool striding_rq_umr = MLX5_CAP_GEN(mdev, striding_rq) &&
75 MLX5_CAP_GEN(mdev, umr_ptr_rlky) &&
76 MLX5_CAP_ETH(mdev, reg_umr_sq);
77 u16 max_wqe_sz_cap = MLX5_CAP_GEN(mdev, max_wqe_sz_sq);
78 bool inline_umr = MLX5E_UMR_WQE_INLINE_SZ <= max_wqe_sz_cap;
83 mlx5_core_warn(mdev, "Cannot support Striding RQ: UMR WQE size (%d) exceeds maximum supported (%d).\n",
84 (int)MLX5E_UMR_WQE_INLINE_SZ, max_wqe_sz_cap);
90 void mlx5e_update_carrier(struct mlx5e_priv *priv)
92 struct mlx5_core_dev *mdev = priv->mdev;
96 port_state = mlx5_query_vport_state(mdev,
97 MLX5_VPORT_STATE_OP_MOD_VNIC_VPORT,
100 up = port_state == VPORT_STATE_UP;
101 if (up == netif_carrier_ok(priv->netdev))
102 netif_carrier_event(priv->netdev);
104 netdev_info(priv->netdev, "Link up\n");
105 netif_carrier_on(priv->netdev);
107 netdev_info(priv->netdev, "Link down\n");
108 netif_carrier_off(priv->netdev);
112 static void mlx5e_update_carrier_work(struct work_struct *work)
114 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
115 update_carrier_work);
117 mutex_lock(&priv->state_lock);
118 if (test_bit(MLX5E_STATE_OPENED, &priv->state))
119 if (priv->profile->update_carrier)
120 priv->profile->update_carrier(priv);
121 mutex_unlock(&priv->state_lock);
124 static void mlx5e_update_stats_work(struct work_struct *work)
126 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
129 mutex_lock(&priv->state_lock);
130 priv->profile->update_stats(priv);
131 mutex_unlock(&priv->state_lock);
134 void mlx5e_queue_update_stats(struct mlx5e_priv *priv)
136 if (!priv->profile->update_stats)
139 if (unlikely(test_bit(MLX5E_STATE_DESTROYING, &priv->state)))
142 queue_work(priv->wq, &priv->update_stats_work);
145 static int async_event(struct notifier_block *nb, unsigned long event, void *data)
147 struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb);
148 struct mlx5_eqe *eqe = data;
150 if (event != MLX5_EVENT_TYPE_PORT_CHANGE)
153 switch (eqe->sub_type) {
154 case MLX5_PORT_CHANGE_SUBTYPE_DOWN:
155 case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE:
156 queue_work(priv->wq, &priv->update_carrier_work);
165 static void mlx5e_enable_async_events(struct mlx5e_priv *priv)
167 priv->events_nb.notifier_call = async_event;
168 mlx5_notifier_register(priv->mdev, &priv->events_nb);
171 static void mlx5e_disable_async_events(struct mlx5e_priv *priv)
173 mlx5_notifier_unregister(priv->mdev, &priv->events_nb);
176 static int blocking_event(struct notifier_block *nb, unsigned long event, void *data)
178 struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, blocking_events_nb);
182 case MLX5_DRIVER_EVENT_TYPE_TRAP:
183 err = mlx5e_handle_trap_event(priv, data);
186 netdev_warn(priv->netdev, "Sync event: Unknown event %ld\n", event);
192 static void mlx5e_enable_blocking_events(struct mlx5e_priv *priv)
194 priv->blocking_events_nb.notifier_call = blocking_event;
195 mlx5_blocking_notifier_register(priv->mdev, &priv->blocking_events_nb);
198 static void mlx5e_disable_blocking_events(struct mlx5e_priv *priv)
200 mlx5_blocking_notifier_unregister(priv->mdev, &priv->blocking_events_nb);
203 static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq,
204 struct mlx5e_icosq *sq,
205 struct mlx5e_umr_wqe *wqe)
207 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
208 struct mlx5_wqe_umr_ctrl_seg *ucseg = &wqe->uctrl;
209 u8 ds_cnt = DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_DS);
211 cseg->qpn_ds = cpu_to_be32((sq->sqn << MLX5_WQE_CTRL_QPN_SHIFT) |
213 cseg->umr_mkey = rq->mkey_be;
215 ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN | MLX5_UMR_INLINE;
216 ucseg->xlt_octowords =
217 cpu_to_be16(MLX5_MTT_OCTW(MLX5_MPWRQ_PAGES_PER_WQE));
218 ucseg->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE);
221 static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq, int node)
223 int wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq);
225 rq->mpwqe.info = kvzalloc_node(array_size(wq_sz,
226 sizeof(*rq->mpwqe.info)),
231 mlx5e_build_umr_wqe(rq, rq->icosq, &rq->mpwqe.umr_wqe);
236 static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev,
237 u64 npages, u8 page_shift,
238 struct mlx5_core_mkey *umr_mkey,
239 dma_addr_t filler_addr)
241 struct mlx5_mtt *mtt;
248 inlen = MLX5_ST_SZ_BYTES(create_mkey_in) + sizeof(*mtt) * npages;
250 in = kvzalloc(inlen, GFP_KERNEL);
254 mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
256 MLX5_SET(mkc, mkc, free, 1);
257 MLX5_SET(mkc, mkc, umr_en, 1);
258 MLX5_SET(mkc, mkc, lw, 1);
259 MLX5_SET(mkc, mkc, lr, 1);
260 MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
261 mlx5e_mkey_set_relaxed_ordering(mdev, mkc);
262 MLX5_SET(mkc, mkc, qpn, 0xffffff);
263 MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.hw_objs.pdn);
264 MLX5_SET64(mkc, mkc, len, npages << page_shift);
265 MLX5_SET(mkc, mkc, translations_octword_size,
266 MLX5_MTT_OCTW(npages));
267 MLX5_SET(mkc, mkc, log_page_size, page_shift);
268 MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
269 MLX5_MTT_OCTW(npages));
271 /* Initialize the mkey with all MTTs pointing to a default
272 * page (filler_addr). When the channels are activated, UMR
273 * WQEs will redirect the RX WQEs to the actual memory from
274 * the RQ's pool, while the gaps (wqe_overflow) remain mapped
275 * to the default page.
277 mtt = MLX5_ADDR_OF(create_mkey_in, in, klm_pas_mtt);
278 for (i = 0 ; i < npages ; i++)
279 mtt[i].ptag = cpu_to_be64(filler_addr);
281 err = mlx5_core_create_mkey(mdev, umr_mkey, in, inlen);
287 static int mlx5e_create_rq_umr_mkey(struct mlx5_core_dev *mdev, struct mlx5e_rq *rq)
289 u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->mpwqe.wq));
291 return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey,
292 rq->wqe_overflow.addr);
295 static u64 mlx5e_get_mpwqe_offset(u16 wqe_ix)
297 return MLX5E_REQUIRED_MTTS(wqe_ix) << PAGE_SHIFT;
300 static void mlx5e_init_frags_partition(struct mlx5e_rq *rq)
302 struct mlx5e_wqe_frag_info next_frag = {};
303 struct mlx5e_wqe_frag_info *prev = NULL;
306 next_frag.di = &rq->wqe.di[0];
308 for (i = 0; i < mlx5_wq_cyc_get_size(&rq->wqe.wq); i++) {
309 struct mlx5e_rq_frag_info *frag_info = &rq->wqe.info.arr[0];
310 struct mlx5e_wqe_frag_info *frag =
311 &rq->wqe.frags[i << rq->wqe.info.log_num_frags];
314 for (f = 0; f < rq->wqe.info.num_frags; f++, frag++) {
315 if (next_frag.offset + frag_info[f].frag_stride > PAGE_SIZE) {
317 next_frag.offset = 0;
319 prev->last_in_page = true;
324 next_frag.offset += frag_info[f].frag_stride;
330 prev->last_in_page = true;
333 int mlx5e_init_di_list(struct mlx5e_rq *rq, int wq_sz, int node)
335 int len = wq_sz << rq->wqe.info.log_num_frags;
337 rq->wqe.di = kvzalloc_node(array_size(len, sizeof(*rq->wqe.di)), GFP_KERNEL, node);
341 mlx5e_init_frags_partition(rq);
346 void mlx5e_free_di_list(struct mlx5e_rq *rq)
351 static void mlx5e_rq_err_cqe_work(struct work_struct *recover_work)
353 struct mlx5e_rq *rq = container_of(recover_work, struct mlx5e_rq, recover_work);
355 mlx5e_reporter_rq_cqe_err(rq);
358 static int mlx5e_alloc_mpwqe_rq_drop_page(struct mlx5e_rq *rq)
360 rq->wqe_overflow.page = alloc_page(GFP_KERNEL);
361 if (!rq->wqe_overflow.page)
364 rq->wqe_overflow.addr = dma_map_page(rq->pdev, rq->wqe_overflow.page, 0,
365 PAGE_SIZE, rq->buff.map_dir);
366 if (dma_mapping_error(rq->pdev, rq->wqe_overflow.addr)) {
367 __free_page(rq->wqe_overflow.page);
373 static void mlx5e_free_mpwqe_rq_drop_page(struct mlx5e_rq *rq)
375 dma_unmap_page(rq->pdev, rq->wqe_overflow.addr, PAGE_SIZE,
377 __free_page(rq->wqe_overflow.page);
380 static int mlx5e_init_rxq_rq(struct mlx5e_channel *c, struct mlx5e_params *params,
383 struct mlx5_core_dev *mdev = c->mdev;
386 rq->wq_type = params->rq_wq_type;
388 rq->netdev = c->netdev;
390 rq->tstamp = c->tstamp;
391 rq->clock = &mdev->clock;
392 rq->icosq = &c->icosq;
395 rq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu);
396 rq->xdpsq = &c->rq_xdpsq;
397 rq->stats = &c->priv->channel_stats[c->ix].rq;
398 rq->ptp_cyc2time = mlx5_rq_ts_translator(mdev);
399 err = mlx5e_rq_set_handlers(rq, params, NULL);
403 return xdp_rxq_info_reg(&rq->xdp_rxq, rq->netdev, rq->ix, 0);
406 static int mlx5e_alloc_rq(struct mlx5e_params *params,
407 struct mlx5e_xsk_param *xsk,
408 struct mlx5e_rq_param *rqp,
409 int node, struct mlx5e_rq *rq)
411 struct page_pool_params pp_params = { 0 };
412 struct mlx5_core_dev *mdev = rq->mdev;
413 void *rqc = rqp->rqc;
414 void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
420 rqp->wq.db_numa_node = node;
421 INIT_WORK(&rq->recover_work, mlx5e_rq_err_cqe_work);
423 if (params->xdp_prog)
424 bpf_prog_inc(params->xdp_prog);
425 RCU_INIT_POINTER(rq->xdp_prog, params->xdp_prog);
427 rq->buff.map_dir = params->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
428 rq->buff.headroom = mlx5e_get_rq_headroom(mdev, params, xsk);
429 pool_size = 1 << params->log_rq_mtu_frames;
431 switch (rq->wq_type) {
432 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
433 err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->mpwqe.wq,
436 goto err_rq_xdp_prog;
438 err = mlx5e_alloc_mpwqe_rq_drop_page(rq);
440 goto err_rq_wq_destroy;
442 rq->mpwqe.wq.db = &rq->mpwqe.wq.db[MLX5_RCV_DBR];
444 wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq);
446 pool_size = MLX5_MPWRQ_PAGES_PER_WQE <<
447 mlx5e_mpwqe_get_log_rq_size(params, xsk);
449 rq->mpwqe.log_stride_sz = mlx5e_mpwqe_get_log_stride_size(mdev, params, xsk);
450 rq->mpwqe.num_strides =
451 BIT(mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk));
453 rq->buff.frame0_sz = (1 << rq->mpwqe.log_stride_sz);
455 err = mlx5e_create_rq_umr_mkey(mdev, rq);
457 goto err_rq_drop_page;
458 rq->mkey_be = cpu_to_be32(rq->umr_mkey.key);
460 err = mlx5e_rq_alloc_mpwqe_info(rq, node);
464 default: /* MLX5_WQ_TYPE_CYCLIC */
465 err = mlx5_wq_cyc_create(mdev, &rqp->wq, rqc_wq, &rq->wqe.wq,
468 goto err_rq_xdp_prog;
470 rq->wqe.wq.db = &rq->wqe.wq.db[MLX5_RCV_DBR];
472 wq_sz = mlx5_wq_cyc_get_size(&rq->wqe.wq);
474 rq->wqe.info = rqp->frags_info;
475 rq->buff.frame0_sz = rq->wqe.info.arr[0].frag_stride;
478 kvzalloc_node(array_size(sizeof(*rq->wqe.frags),
479 (wq_sz << rq->wqe.info.log_num_frags)),
481 if (!rq->wqe.frags) {
483 goto err_rq_wq_destroy;
486 err = mlx5e_init_di_list(rq, wq_sz, node);
490 rq->mkey_be = cpu_to_be32(mdev->mlx5e_res.hw_objs.mkey.key);
494 err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
495 MEM_TYPE_XSK_BUFF_POOL, NULL);
496 xsk_pool_set_rxq_info(rq->xsk_pool, &rq->xdp_rxq);
498 /* Create a page_pool and register it with rxq */
500 pp_params.flags = 0; /* No-internal DMA mapping in page_pool */
501 pp_params.pool_size = pool_size;
502 pp_params.nid = node;
503 pp_params.dev = rq->pdev;
504 pp_params.dma_dir = rq->buff.map_dir;
506 /* page_pool can be used even when there is no rq->xdp_prog,
507 * given page_pool does not handle DMA mapping there is no
508 * required state to clear. And page_pool gracefully handle
511 rq->page_pool = page_pool_create(&pp_params);
512 if (IS_ERR(rq->page_pool)) {
513 err = PTR_ERR(rq->page_pool);
514 rq->page_pool = NULL;
515 goto err_free_by_rq_type;
517 if (xdp_rxq_info_is_reg(&rq->xdp_rxq))
518 err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
519 MEM_TYPE_PAGE_POOL, rq->page_pool);
522 goto err_free_by_rq_type;
524 for (i = 0; i < wq_sz; i++) {
525 if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
526 struct mlx5e_rx_wqe_ll *wqe =
527 mlx5_wq_ll_get_wqe(&rq->mpwqe.wq, i);
529 rq->mpwqe.num_strides << rq->mpwqe.log_stride_sz;
530 u64 dma_offset = mlx5e_get_mpwqe_offset(i);
532 wqe->data[0].addr = cpu_to_be64(dma_offset + rq->buff.headroom);
533 wqe->data[0].byte_count = cpu_to_be32(byte_count);
534 wqe->data[0].lkey = rq->mkey_be;
536 struct mlx5e_rx_wqe_cyc *wqe =
537 mlx5_wq_cyc_get_wqe(&rq->wqe.wq, i);
540 for (f = 0; f < rq->wqe.info.num_frags; f++) {
541 u32 frag_size = rq->wqe.info.arr[f].frag_size |
542 MLX5_HW_START_PADDING;
544 wqe->data[f].byte_count = cpu_to_be32(frag_size);
545 wqe->data[f].lkey = rq->mkey_be;
547 /* check if num_frags is not a pow of two */
548 if (rq->wqe.info.num_frags < (1 << rq->wqe.info.log_num_frags)) {
549 wqe->data[f].byte_count = 0;
550 wqe->data[f].lkey = cpu_to_be32(MLX5_INVALID_LKEY);
551 wqe->data[f].addr = 0;
556 INIT_WORK(&rq->dim.work, mlx5e_rx_dim_work);
558 switch (params->rx_cq_moderation.cq_period_mode) {
559 case MLX5_CQ_PERIOD_MODE_START_FROM_CQE:
560 rq->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_CQE;
562 case MLX5_CQ_PERIOD_MODE_START_FROM_EQE:
564 rq->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
567 rq->page_cache.head = 0;
568 rq->page_cache.tail = 0;
573 switch (rq->wq_type) {
574 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
575 kvfree(rq->mpwqe.info);
577 mlx5_core_destroy_mkey(mdev, &rq->umr_mkey);
579 mlx5e_free_mpwqe_rq_drop_page(rq);
581 default: /* MLX5_WQ_TYPE_CYCLIC */
582 mlx5e_free_di_list(rq);
584 kvfree(rq->wqe.frags);
587 mlx5_wq_destroy(&rq->wq_ctrl);
589 if (params->xdp_prog)
590 bpf_prog_put(params->xdp_prog);
595 static void mlx5e_free_rq(struct mlx5e_rq *rq)
597 struct bpf_prog *old_prog;
600 if (xdp_rxq_info_is_reg(&rq->xdp_rxq)) {
601 old_prog = rcu_dereference_protected(rq->xdp_prog,
602 lockdep_is_held(&rq->priv->state_lock));
604 bpf_prog_put(old_prog);
607 switch (rq->wq_type) {
608 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
609 kvfree(rq->mpwqe.info);
610 mlx5_core_destroy_mkey(rq->mdev, &rq->umr_mkey);
611 mlx5e_free_mpwqe_rq_drop_page(rq);
613 default: /* MLX5_WQ_TYPE_CYCLIC */
614 kvfree(rq->wqe.frags);
615 mlx5e_free_di_list(rq);
618 for (i = rq->page_cache.head; i != rq->page_cache.tail;
619 i = (i + 1) & (MLX5E_CACHE_SIZE - 1)) {
620 struct mlx5e_dma_info *dma_info = &rq->page_cache.page_cache[i];
622 /* With AF_XDP, page_cache is not used, so this loop is not
623 * entered, and it's safe to call mlx5e_page_release_dynamic
626 mlx5e_page_release_dynamic(rq, dma_info, false);
629 xdp_rxq_info_unreg(&rq->xdp_rxq);
630 page_pool_destroy(rq->page_pool);
631 mlx5_wq_destroy(&rq->wq_ctrl);
634 int mlx5e_create_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
636 struct mlx5_core_dev *mdev = rq->mdev;
644 inlen = MLX5_ST_SZ_BYTES(create_rq_in) +
645 sizeof(u64) * rq->wq_ctrl.buf.npages;
646 in = kvzalloc(inlen, GFP_KERNEL);
650 ts_format = mlx5_is_real_time_rq(mdev) ?
651 MLX5_TIMESTAMP_FORMAT_REAL_TIME :
652 MLX5_TIMESTAMP_FORMAT_FREE_RUNNING;
653 rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
654 wq = MLX5_ADDR_OF(rqc, rqc, wq);
656 memcpy(rqc, param->rqc, sizeof(param->rqc));
658 MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn);
659 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
660 MLX5_SET(rqc, rqc, ts_format, ts_format);
661 MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift -
662 MLX5_ADAPTER_PAGE_SHIFT);
663 MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma);
665 mlx5_fill_page_frag_array(&rq->wq_ctrl.buf,
666 (__be64 *)MLX5_ADDR_OF(wq, wq, pas));
668 err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn);
675 int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, int next_state)
677 struct mlx5_core_dev *mdev = rq->mdev;
684 inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
685 in = kvzalloc(inlen, GFP_KERNEL);
689 if (curr_state == MLX5_RQC_STATE_RST && next_state == MLX5_RQC_STATE_RDY)
690 mlx5e_rqwq_reset(rq);
692 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
694 MLX5_SET(modify_rq_in, in, rq_state, curr_state);
695 MLX5_SET(rqc, rqc, state, next_state);
697 err = mlx5_core_modify_rq(mdev, rq->rqn, in);
704 static int mlx5e_modify_rq_scatter_fcs(struct mlx5e_rq *rq, bool enable)
706 struct mlx5_core_dev *mdev = rq->mdev;
713 inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
714 in = kvzalloc(inlen, GFP_KERNEL);
718 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
720 MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY);
721 MLX5_SET64(modify_rq_in, in, modify_bitmask,
722 MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS);
723 MLX5_SET(rqc, rqc, scatter_fcs, enable);
724 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY);
726 err = mlx5_core_modify_rq(mdev, rq->rqn, in);
733 static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd)
735 struct mlx5_core_dev *mdev = rq->mdev;
741 inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
742 in = kvzalloc(inlen, GFP_KERNEL);
746 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
748 MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY);
749 MLX5_SET64(modify_rq_in, in, modify_bitmask,
750 MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD);
751 MLX5_SET(rqc, rqc, vsd, vsd);
752 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY);
754 err = mlx5_core_modify_rq(mdev, rq->rqn, in);
761 void mlx5e_destroy_rq(struct mlx5e_rq *rq)
763 mlx5_core_destroy_rq(rq->mdev, rq->rqn);
766 int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq, int wait_time)
768 unsigned long exp_time = jiffies + msecs_to_jiffies(wait_time);
770 u16 min_wqes = mlx5_min_rx_wqes(rq->wq_type, mlx5e_rqwq_get_size(rq));
773 if (mlx5e_rqwq_get_cur_sz(rq) >= min_wqes)
777 } while (time_before(jiffies, exp_time));
779 netdev_warn(rq->netdev, "Failed to get min RX wqes on Channel[%d] RQN[0x%x] wq cur_sz(%d) min_rx_wqes(%d)\n",
780 rq->ix, rq->rqn, mlx5e_rqwq_get_cur_sz(rq), min_wqes);
782 mlx5e_reporter_rx_timeout(rq);
786 void mlx5e_free_rx_in_progress_descs(struct mlx5e_rq *rq)
788 struct mlx5_wq_ll *wq;
792 if (rq->wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
798 /* Outstanding UMR WQEs (in progress) start at wq->head */
799 for (i = 0; i < rq->mpwqe.umr_in_progress; i++) {
800 rq->dealloc_wqe(rq, head);
801 head = mlx5_wq_ll_get_wqe_next_ix(wq, head);
804 rq->mpwqe.actual_wq_head = wq->head;
805 rq->mpwqe.umr_in_progress = 0;
806 rq->mpwqe.umr_completed = 0;
809 void mlx5e_free_rx_descs(struct mlx5e_rq *rq)
814 if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
815 struct mlx5_wq_ll *wq = &rq->mpwqe.wq;
817 mlx5e_free_rx_in_progress_descs(rq);
819 while (!mlx5_wq_ll_is_empty(wq)) {
820 struct mlx5e_rx_wqe_ll *wqe;
822 wqe_ix_be = *wq->tail_next;
823 wqe_ix = be16_to_cpu(wqe_ix_be);
824 wqe = mlx5_wq_ll_get_wqe(wq, wqe_ix);
825 rq->dealloc_wqe(rq, wqe_ix);
826 mlx5_wq_ll_pop(wq, wqe_ix_be,
827 &wqe->next.next_wqe_index);
830 struct mlx5_wq_cyc *wq = &rq->wqe.wq;
832 while (!mlx5_wq_cyc_is_empty(wq)) {
833 wqe_ix = mlx5_wq_cyc_get_tail(wq);
834 rq->dealloc_wqe(rq, wqe_ix);
841 int mlx5e_open_rq(struct mlx5e_params *params, struct mlx5e_rq_param *param,
842 struct mlx5e_xsk_param *xsk, int node,
845 struct mlx5_core_dev *mdev = rq->mdev;
848 err = mlx5e_alloc_rq(params, xsk, param, node, rq);
852 err = mlx5e_create_rq(rq, param);
856 err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
860 if (mlx5e_is_tls_on(rq->priv) && !mlx5e_accel_is_ktls_device(mdev))
861 __set_bit(MLX5E_RQ_STATE_FPGA_TLS, &rq->state); /* must be FPGA */
863 if (MLX5_CAP_ETH(mdev, cqe_checksum_full))
864 __set_bit(MLX5E_RQ_STATE_CSUM_FULL, &rq->state);
866 if (params->rx_dim_enabled)
867 __set_bit(MLX5E_RQ_STATE_AM, &rq->state);
869 /* We disable csum_complete when XDP is enabled since
870 * XDP programs might manipulate packets which will render
871 * skb->checksum incorrect.
873 if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) || params->xdp_prog)
874 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state);
876 /* For CQE compression on striding RQ, use stride index provided by
877 * HW if capability is supported.
879 if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ) &&
880 MLX5_CAP_GEN(mdev, mini_cqe_resp_stride_index))
881 __set_bit(MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX, &rq->state);
886 mlx5e_destroy_rq(rq);
893 void mlx5e_activate_rq(struct mlx5e_rq *rq)
895 set_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
897 mlx5e_trigger_irq(rq->icosq);
900 napi_schedule(rq->cq.napi);
905 void mlx5e_deactivate_rq(struct mlx5e_rq *rq)
907 clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
908 synchronize_net(); /* Sync with NAPI to prevent mlx5e_post_rx_wqes. */
911 void mlx5e_close_rq(struct mlx5e_rq *rq)
913 cancel_work_sync(&rq->dim.work);
915 cancel_work_sync(&rq->icosq->recover_work);
916 cancel_work_sync(&rq->recover_work);
917 mlx5e_destroy_rq(rq);
918 mlx5e_free_rx_descs(rq);
922 static void mlx5e_free_xdpsq_db(struct mlx5e_xdpsq *sq)
924 kvfree(sq->db.xdpi_fifo.xi);
925 kvfree(sq->db.wqe_info);
928 static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa)
930 struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo;
931 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
932 int dsegs_per_wq = wq_sz * MLX5_SEND_WQEBB_NUM_DS;
934 xdpi_fifo->xi = kvzalloc_node(sizeof(*xdpi_fifo->xi) * dsegs_per_wq,
939 xdpi_fifo->pc = &sq->xdpi_fifo_pc;
940 xdpi_fifo->cc = &sq->xdpi_fifo_cc;
941 xdpi_fifo->mask = dsegs_per_wq - 1;
946 static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa)
948 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
951 sq->db.wqe_info = kvzalloc_node(sizeof(*sq->db.wqe_info) * wq_sz,
953 if (!sq->db.wqe_info)
956 err = mlx5e_alloc_xdpsq_fifo(sq, numa);
958 mlx5e_free_xdpsq_db(sq);
965 static int mlx5e_alloc_xdpsq(struct mlx5e_channel *c,
966 struct mlx5e_params *params,
967 struct xsk_buff_pool *xsk_pool,
968 struct mlx5e_sq_param *param,
969 struct mlx5e_xdpsq *sq,
972 void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq);
973 struct mlx5_core_dev *mdev = c->mdev;
974 struct mlx5_wq_cyc *wq = &sq->wq;
978 sq->mkey_be = c->mkey_be;
980 sq->uar_map = mdev->mlx5e_res.hw_objs.bfreg.map;
981 sq->min_inline_mode = params->tx_min_inline_mode;
982 sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu);
983 sq->xsk_pool = xsk_pool;
985 sq->stats = sq->xsk_pool ?
986 &c->priv->channel_stats[c->ix].xsksq :
988 &c->priv->channel_stats[c->ix].xdpsq :
989 &c->priv->channel_stats[c->ix].rq_xdpsq;
991 param->wq.db_numa_node = cpu_to_node(c->cpu);
992 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl);
995 wq->db = &wq->db[MLX5_SND_DBR];
997 err = mlx5e_alloc_xdpsq_db(sq, cpu_to_node(c->cpu));
999 goto err_sq_wq_destroy;
1004 mlx5_wq_destroy(&sq->wq_ctrl);
1009 static void mlx5e_free_xdpsq(struct mlx5e_xdpsq *sq)
1011 mlx5e_free_xdpsq_db(sq);
1012 mlx5_wq_destroy(&sq->wq_ctrl);
1015 static void mlx5e_free_icosq_db(struct mlx5e_icosq *sq)
1017 kvfree(sq->db.wqe_info);
1020 static int mlx5e_alloc_icosq_db(struct mlx5e_icosq *sq, int numa)
1022 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
1025 size = array_size(wq_sz, sizeof(*sq->db.wqe_info));
1026 sq->db.wqe_info = kvzalloc_node(size, GFP_KERNEL, numa);
1027 if (!sq->db.wqe_info)
1033 static void mlx5e_icosq_err_cqe_work(struct work_struct *recover_work)
1035 struct mlx5e_icosq *sq = container_of(recover_work, struct mlx5e_icosq,
1038 mlx5e_reporter_icosq_cqe_err(sq);
1041 static int mlx5e_alloc_icosq(struct mlx5e_channel *c,
1042 struct mlx5e_sq_param *param,
1043 struct mlx5e_icosq *sq)
1045 void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq);
1046 struct mlx5_core_dev *mdev = c->mdev;
1047 struct mlx5_wq_cyc *wq = &sq->wq;
1051 sq->uar_map = mdev->mlx5e_res.hw_objs.bfreg.map;
1052 sq->reserved_room = param->stop_room;
1054 param->wq.db_numa_node = cpu_to_node(c->cpu);
1055 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl);
1058 wq->db = &wq->db[MLX5_SND_DBR];
1060 err = mlx5e_alloc_icosq_db(sq, cpu_to_node(c->cpu));
1062 goto err_sq_wq_destroy;
1064 INIT_WORK(&sq->recover_work, mlx5e_icosq_err_cqe_work);
1069 mlx5_wq_destroy(&sq->wq_ctrl);
1074 static void mlx5e_free_icosq(struct mlx5e_icosq *sq)
1076 mlx5e_free_icosq_db(sq);
1077 mlx5_wq_destroy(&sq->wq_ctrl);
1080 void mlx5e_free_txqsq_db(struct mlx5e_txqsq *sq)
1082 kvfree(sq->db.wqe_info);
1083 kvfree(sq->db.skb_fifo.fifo);
1084 kvfree(sq->db.dma_fifo);
1087 int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa)
1089 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
1090 int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS;
1092 sq->db.dma_fifo = kvzalloc_node(array_size(df_sz,
1093 sizeof(*sq->db.dma_fifo)),
1095 sq->db.skb_fifo.fifo = kvzalloc_node(array_size(df_sz,
1096 sizeof(*sq->db.skb_fifo.fifo)),
1098 sq->db.wqe_info = kvzalloc_node(array_size(wq_sz,
1099 sizeof(*sq->db.wqe_info)),
1101 if (!sq->db.dma_fifo || !sq->db.skb_fifo.fifo || !sq->db.wqe_info) {
1102 mlx5e_free_txqsq_db(sq);
1106 sq->dma_fifo_mask = df_sz - 1;
1108 sq->db.skb_fifo.pc = &sq->skb_fifo_pc;
1109 sq->db.skb_fifo.cc = &sq->skb_fifo_cc;
1110 sq->db.skb_fifo.mask = df_sz - 1;
1115 static int mlx5e_alloc_txqsq(struct mlx5e_channel *c,
1117 struct mlx5e_params *params,
1118 struct mlx5e_sq_param *param,
1119 struct mlx5e_txqsq *sq,
1122 void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq);
1123 struct mlx5_core_dev *mdev = c->mdev;
1124 struct mlx5_wq_cyc *wq = &sq->wq;
1128 sq->tstamp = c->tstamp;
1129 sq->clock = &mdev->clock;
1130 sq->mkey_be = c->mkey_be;
1131 sq->netdev = c->netdev;
1135 sq->txq_ix = txq_ix;
1136 sq->uar_map = mdev->mlx5e_res.hw_objs.bfreg.map;
1137 sq->min_inline_mode = params->tx_min_inline_mode;
1138 sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu);
1139 INIT_WORK(&sq->recover_work, mlx5e_tx_err_cqe_work);
1140 if (!MLX5_CAP_ETH(mdev, wqe_vlan_insert))
1141 set_bit(MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, &sq->state);
1142 if (MLX5_IPSEC_DEV(c->priv->mdev))
1143 set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state);
1145 set_bit(MLX5E_SQ_STATE_MPWQE, &sq->state);
1146 sq->stop_room = param->stop_room;
1147 sq->ptp_cyc2time = mlx5_sq_ts_translator(mdev);
1149 param->wq.db_numa_node = cpu_to_node(c->cpu);
1150 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl);
1153 wq->db = &wq->db[MLX5_SND_DBR];
1155 err = mlx5e_alloc_txqsq_db(sq, cpu_to_node(c->cpu));
1157 goto err_sq_wq_destroy;
1159 INIT_WORK(&sq->dim.work, mlx5e_tx_dim_work);
1160 sq->dim.mode = params->tx_cq_moderation.cq_period_mode;
1165 mlx5_wq_destroy(&sq->wq_ctrl);
1170 void mlx5e_free_txqsq(struct mlx5e_txqsq *sq)
1172 mlx5e_free_txqsq_db(sq);
1173 mlx5_wq_destroy(&sq->wq_ctrl);
1176 static int mlx5e_create_sq(struct mlx5_core_dev *mdev,
1177 struct mlx5e_sq_param *param,
1178 struct mlx5e_create_sq_param *csp,
1188 inlen = MLX5_ST_SZ_BYTES(create_sq_in) +
1189 sizeof(u64) * csp->wq_ctrl->buf.npages;
1190 in = kvzalloc(inlen, GFP_KERNEL);
1194 ts_format = mlx5_is_real_time_sq(mdev) ?
1195 MLX5_TIMESTAMP_FORMAT_REAL_TIME :
1196 MLX5_TIMESTAMP_FORMAT_FREE_RUNNING;
1197 sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
1198 wq = MLX5_ADDR_OF(sqc, sqc, wq);
1200 memcpy(sqc, param->sqc, sizeof(param->sqc));
1201 MLX5_SET(sqc, sqc, tis_lst_sz, csp->tis_lst_sz);
1202 MLX5_SET(sqc, sqc, tis_num_0, csp->tisn);
1203 MLX5_SET(sqc, sqc, cqn, csp->cqn);
1204 MLX5_SET(sqc, sqc, ts_cqe_to_dest_cqn, csp->ts_cqe_to_dest_cqn);
1205 MLX5_SET(sqc, sqc, ts_format, ts_format);
1208 if (MLX5_CAP_ETH(mdev, wqe_inline_mode) == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT)
1209 MLX5_SET(sqc, sqc, min_wqe_inline_mode, csp->min_inline_mode);
1211 MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
1212 MLX5_SET(sqc, sqc, flush_in_error_en, 1);
1214 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
1215 MLX5_SET(wq, wq, uar_page, mdev->mlx5e_res.hw_objs.bfreg.index);
1216 MLX5_SET(wq, wq, log_wq_pg_sz, csp->wq_ctrl->buf.page_shift -
1217 MLX5_ADAPTER_PAGE_SHIFT);
1218 MLX5_SET64(wq, wq, dbr_addr, csp->wq_ctrl->db.dma);
1220 mlx5_fill_page_frag_array(&csp->wq_ctrl->buf,
1221 (__be64 *)MLX5_ADDR_OF(wq, wq, pas));
1223 err = mlx5_core_create_sq(mdev, in, inlen, sqn);
1230 int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn,
1231 struct mlx5e_modify_sq_param *p)
1239 inlen = MLX5_ST_SZ_BYTES(modify_sq_in);
1240 in = kvzalloc(inlen, GFP_KERNEL);
1244 sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1246 MLX5_SET(modify_sq_in, in, sq_state, p->curr_state);
1247 MLX5_SET(sqc, sqc, state, p->next_state);
1248 if (p->rl_update && p->next_state == MLX5_SQC_STATE_RDY) {
1250 MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, p->rl_index);
1252 if (p->qos_update && p->next_state == MLX5_SQC_STATE_RDY) {
1254 MLX5_SET(sqc, sqc, qos_queue_group_id, p->qos_queue_group_id);
1256 MLX5_SET64(modify_sq_in, in, modify_bitmask, bitmask);
1258 err = mlx5_core_modify_sq(mdev, sqn, in);
1265 static void mlx5e_destroy_sq(struct mlx5_core_dev *mdev, u32 sqn)
1267 mlx5_core_destroy_sq(mdev, sqn);
1270 int mlx5e_create_sq_rdy(struct mlx5_core_dev *mdev,
1271 struct mlx5e_sq_param *param,
1272 struct mlx5e_create_sq_param *csp,
1273 u16 qos_queue_group_id,
1276 struct mlx5e_modify_sq_param msp = {0};
1279 err = mlx5e_create_sq(mdev, param, csp, sqn);
1283 msp.curr_state = MLX5_SQC_STATE_RST;
1284 msp.next_state = MLX5_SQC_STATE_RDY;
1285 if (qos_queue_group_id) {
1286 msp.qos_update = true;
1287 msp.qos_queue_group_id = qos_queue_group_id;
1289 err = mlx5e_modify_sq(mdev, *sqn, &msp);
1291 mlx5e_destroy_sq(mdev, *sqn);
1296 static int mlx5e_set_sq_maxrate(struct net_device *dev,
1297 struct mlx5e_txqsq *sq, u32 rate);
1299 int mlx5e_open_txqsq(struct mlx5e_channel *c, u32 tisn, int txq_ix,
1300 struct mlx5e_params *params, struct mlx5e_sq_param *param,
1301 struct mlx5e_txqsq *sq, int tc, u16 qos_queue_group_id, u16 qos_qid)
1303 struct mlx5e_create_sq_param csp = {};
1307 err = mlx5e_alloc_txqsq(c, txq_ix, params, param, sq, tc);
1311 if (qos_queue_group_id)
1312 sq->stats = c->priv->htb.qos_sq_stats[qos_qid];
1314 sq->stats = &c->priv->channel_stats[c->ix].sq[tc];
1318 csp.cqn = sq->cq.mcq.cqn;
1319 csp.wq_ctrl = &sq->wq_ctrl;
1320 csp.min_inline_mode = sq->min_inline_mode;
1321 err = mlx5e_create_sq_rdy(c->mdev, param, &csp, qos_queue_group_id, &sq->sqn);
1323 goto err_free_txqsq;
1325 tx_rate = c->priv->tx_rates[sq->txq_ix];
1327 mlx5e_set_sq_maxrate(c->netdev, sq, tx_rate);
1329 if (params->tx_dim_enabled)
1330 sq->state |= BIT(MLX5E_SQ_STATE_AM);
1335 mlx5e_free_txqsq(sq);
1340 void mlx5e_activate_txqsq(struct mlx5e_txqsq *sq)
1342 sq->txq = netdev_get_tx_queue(sq->netdev, sq->txq_ix);
1343 set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
1344 netdev_tx_reset_queue(sq->txq);
1345 netif_tx_start_queue(sq->txq);
1348 void mlx5e_tx_disable_queue(struct netdev_queue *txq)
1350 __netif_tx_lock_bh(txq);
1351 netif_tx_stop_queue(txq);
1352 __netif_tx_unlock_bh(txq);
1355 void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq)
1357 struct mlx5_wq_cyc *wq = &sq->wq;
1359 clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
1360 synchronize_net(); /* Sync with NAPI to prevent netif_tx_wake_queue. */
1362 mlx5e_tx_disable_queue(sq->txq);
1364 /* last doorbell out, godspeed .. */
1365 if (mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1)) {
1366 u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
1367 struct mlx5e_tx_wqe *nop;
1369 sq->db.wqe_info[pi] = (struct mlx5e_tx_wqe_info) {
1373 nop = mlx5e_post_nop(wq, sq->sqn, &sq->pc);
1374 mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nop->ctrl);
1378 void mlx5e_close_txqsq(struct mlx5e_txqsq *sq)
1380 struct mlx5_core_dev *mdev = sq->mdev;
1381 struct mlx5_rate_limit rl = {0};
1383 cancel_work_sync(&sq->dim.work);
1384 cancel_work_sync(&sq->recover_work);
1385 mlx5e_destroy_sq(mdev, sq->sqn);
1386 if (sq->rate_limit) {
1387 rl.rate = sq->rate_limit;
1388 mlx5_rl_remove_rate(mdev, &rl);
1390 mlx5e_free_txqsq_descs(sq);
1391 mlx5e_free_txqsq(sq);
1394 void mlx5e_tx_err_cqe_work(struct work_struct *recover_work)
1396 struct mlx5e_txqsq *sq = container_of(recover_work, struct mlx5e_txqsq,
1399 mlx5e_reporter_tx_err_cqe(sq);
1402 int mlx5e_open_icosq(struct mlx5e_channel *c, struct mlx5e_params *params,
1403 struct mlx5e_sq_param *param, struct mlx5e_icosq *sq)
1405 struct mlx5e_create_sq_param csp = {};
1408 err = mlx5e_alloc_icosq(c, param, sq);
1412 csp.cqn = sq->cq.mcq.cqn;
1413 csp.wq_ctrl = &sq->wq_ctrl;
1414 csp.min_inline_mode = params->tx_min_inline_mode;
1415 err = mlx5e_create_sq_rdy(c->mdev, param, &csp, 0, &sq->sqn);
1417 goto err_free_icosq;
1419 if (param->is_tls) {
1420 sq->ktls_resync = mlx5e_ktls_rx_resync_create_resp_list();
1421 if (IS_ERR(sq->ktls_resync)) {
1422 err = PTR_ERR(sq->ktls_resync);
1423 goto err_destroy_icosq;
1429 mlx5e_destroy_sq(c->mdev, sq->sqn);
1431 mlx5e_free_icosq(sq);
1436 void mlx5e_activate_icosq(struct mlx5e_icosq *icosq)
1438 set_bit(MLX5E_SQ_STATE_ENABLED, &icosq->state);
1441 void mlx5e_deactivate_icosq(struct mlx5e_icosq *icosq)
1443 clear_bit(MLX5E_SQ_STATE_ENABLED, &icosq->state);
1444 synchronize_net(); /* Sync with NAPI. */
1447 void mlx5e_close_icosq(struct mlx5e_icosq *sq)
1449 struct mlx5e_channel *c = sq->channel;
1451 if (sq->ktls_resync)
1452 mlx5e_ktls_rx_resync_destroy_resp_list(sq->ktls_resync);
1453 mlx5e_destroy_sq(c->mdev, sq->sqn);
1454 mlx5e_free_icosq_descs(sq);
1455 mlx5e_free_icosq(sq);
1458 int mlx5e_open_xdpsq(struct mlx5e_channel *c, struct mlx5e_params *params,
1459 struct mlx5e_sq_param *param, struct xsk_buff_pool *xsk_pool,
1460 struct mlx5e_xdpsq *sq, bool is_redirect)
1462 struct mlx5e_create_sq_param csp = {};
1465 err = mlx5e_alloc_xdpsq(c, params, xsk_pool, param, sq, is_redirect);
1470 csp.tisn = c->priv->tisn[c->lag_port][0]; /* tc = 0 */
1471 csp.cqn = sq->cq.mcq.cqn;
1472 csp.wq_ctrl = &sq->wq_ctrl;
1473 csp.min_inline_mode = sq->min_inline_mode;
1474 set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
1475 err = mlx5e_create_sq_rdy(c->mdev, param, &csp, 0, &sq->sqn);
1477 goto err_free_xdpsq;
1479 mlx5e_set_xmit_fp(sq, param->is_mpw);
1481 if (!param->is_mpw) {
1482 unsigned int ds_cnt = MLX5E_XDP_TX_DS_COUNT;
1483 unsigned int inline_hdr_sz = 0;
1486 if (sq->min_inline_mode != MLX5_INLINE_MODE_NONE) {
1487 inline_hdr_sz = MLX5E_XDP_MIN_INLINE;
1491 /* Pre initialize fixed WQE fields */
1492 for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) {
1493 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i);
1494 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
1495 struct mlx5_wqe_eth_seg *eseg = &wqe->eth;
1496 struct mlx5_wqe_data_seg *dseg;
1498 sq->db.wqe_info[i] = (struct mlx5e_xdp_wqe_info) {
1503 cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt);
1504 eseg->inline_hdr.sz = cpu_to_be16(inline_hdr_sz);
1506 dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1);
1507 dseg->lkey = sq->mkey_be;
1514 clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
1515 mlx5e_free_xdpsq(sq);
1520 void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq)
1522 struct mlx5e_channel *c = sq->channel;
1524 clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
1525 synchronize_net(); /* Sync with NAPI. */
1527 mlx5e_destroy_sq(c->mdev, sq->sqn);
1528 mlx5e_free_xdpsq_descs(sq);
1529 mlx5e_free_xdpsq(sq);
1532 static int mlx5e_alloc_cq_common(struct mlx5e_priv *priv,
1533 struct mlx5e_cq_param *param,
1534 struct mlx5e_cq *cq)
1536 struct mlx5_core_dev *mdev = priv->mdev;
1537 struct mlx5_core_cq *mcq = &cq->mcq;
1541 err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq,
1547 mcq->set_ci_db = cq->wq_ctrl.db.db;
1548 mcq->arm_db = cq->wq_ctrl.db.db + 1;
1549 *mcq->set_ci_db = 0;
1551 mcq->vector = param->eq_ix;
1552 mcq->comp = mlx5e_completion_event;
1553 mcq->event = mlx5e_cq_error_event;
1555 for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) {
1556 struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i);
1562 cq->netdev = priv->netdev;
1568 static int mlx5e_alloc_cq(struct mlx5e_priv *priv,
1569 struct mlx5e_cq_param *param,
1570 struct mlx5e_create_cq_param *ccp,
1571 struct mlx5e_cq *cq)
1575 param->wq.buf_numa_node = ccp->node;
1576 param->wq.db_numa_node = ccp->node;
1577 param->eq_ix = ccp->ix;
1579 err = mlx5e_alloc_cq_common(priv, param, cq);
1581 cq->napi = ccp->napi;
1582 cq->ch_stats = ccp->ch_stats;
1587 static void mlx5e_free_cq(struct mlx5e_cq *cq)
1589 mlx5_wq_destroy(&cq->wq_ctrl);
1592 static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
1594 u32 out[MLX5_ST_SZ_DW(create_cq_out)];
1595 struct mlx5_core_dev *mdev = cq->mdev;
1596 struct mlx5_core_cq *mcq = &cq->mcq;
1604 err = mlx5_vector2eqn(mdev, param->eq_ix, &eqn);
1608 inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
1609 sizeof(u64) * cq->wq_ctrl.buf.npages;
1610 in = kvzalloc(inlen, GFP_KERNEL);
1614 cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1616 memcpy(cqc, param->cqc, sizeof(param->cqc));
1618 mlx5_fill_page_frag_array(&cq->wq_ctrl.buf,
1619 (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas));
1621 MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode);
1622 MLX5_SET(cqc, cqc, c_eqn_or_apu_element, eqn);
1623 MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index);
1624 MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift -
1625 MLX5_ADAPTER_PAGE_SHIFT);
1626 MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma);
1628 err = mlx5_core_create_cq(mdev, mcq, in, inlen, out, sizeof(out));
1640 static void mlx5e_destroy_cq(struct mlx5e_cq *cq)
1642 mlx5_core_destroy_cq(cq->mdev, &cq->mcq);
1645 int mlx5e_open_cq(struct mlx5e_priv *priv, struct dim_cq_moder moder,
1646 struct mlx5e_cq_param *param, struct mlx5e_create_cq_param *ccp,
1647 struct mlx5e_cq *cq)
1649 struct mlx5_core_dev *mdev = priv->mdev;
1652 err = mlx5e_alloc_cq(priv, param, ccp, cq);
1656 err = mlx5e_create_cq(cq, param);
1660 if (MLX5_CAP_GEN(mdev, cq_moderation))
1661 mlx5_core_modify_cq_moderation(mdev, &cq->mcq, moder.usec, moder.pkts);
1670 void mlx5e_close_cq(struct mlx5e_cq *cq)
1672 mlx5e_destroy_cq(cq);
1676 static int mlx5e_open_tx_cqs(struct mlx5e_channel *c,
1677 struct mlx5e_params *params,
1678 struct mlx5e_create_cq_param *ccp,
1679 struct mlx5e_channel_param *cparam)
1684 for (tc = 0; tc < c->num_tc; tc++) {
1685 err = mlx5e_open_cq(c->priv, params->tx_cq_moderation, &cparam->txq_sq.cqp,
1686 ccp, &c->sq[tc].cq);
1688 goto err_close_tx_cqs;
1694 for (tc--; tc >= 0; tc--)
1695 mlx5e_close_cq(&c->sq[tc].cq);
1700 static void mlx5e_close_tx_cqs(struct mlx5e_channel *c)
1704 for (tc = 0; tc < c->num_tc; tc++)
1705 mlx5e_close_cq(&c->sq[tc].cq);
1708 static int mlx5e_open_sqs(struct mlx5e_channel *c,
1709 struct mlx5e_params *params,
1710 struct mlx5e_channel_param *cparam)
1714 for (tc = 0; tc < mlx5e_get_dcb_num_tc(params); tc++) {
1715 int txq_ix = c->ix + tc * params->num_channels;
1717 err = mlx5e_open_txqsq(c, c->priv->tisn[c->lag_port][tc], txq_ix,
1718 params, &cparam->txq_sq, &c->sq[tc], tc, 0, 0);
1726 for (tc--; tc >= 0; tc--)
1727 mlx5e_close_txqsq(&c->sq[tc]);
1732 static void mlx5e_close_sqs(struct mlx5e_channel *c)
1736 for (tc = 0; tc < c->num_tc; tc++)
1737 mlx5e_close_txqsq(&c->sq[tc]);
1740 static int mlx5e_set_sq_maxrate(struct net_device *dev,
1741 struct mlx5e_txqsq *sq, u32 rate)
1743 struct mlx5e_priv *priv = netdev_priv(dev);
1744 struct mlx5_core_dev *mdev = priv->mdev;
1745 struct mlx5e_modify_sq_param msp = {0};
1746 struct mlx5_rate_limit rl = {0};
1750 if (rate == sq->rate_limit)
1754 if (sq->rate_limit) {
1755 rl.rate = sq->rate_limit;
1756 /* remove current rl index to free space to next ones */
1757 mlx5_rl_remove_rate(mdev, &rl);
1764 err = mlx5_rl_add_rate(mdev, &rl_index, &rl);
1766 netdev_err(dev, "Failed configuring rate %u: %d\n",
1772 msp.curr_state = MLX5_SQC_STATE_RDY;
1773 msp.next_state = MLX5_SQC_STATE_RDY;
1774 msp.rl_index = rl_index;
1775 msp.rl_update = true;
1776 err = mlx5e_modify_sq(mdev, sq->sqn, &msp);
1778 netdev_err(dev, "Failed configuring rate %u: %d\n",
1780 /* remove the rate from the table */
1782 mlx5_rl_remove_rate(mdev, &rl);
1786 sq->rate_limit = rate;
1790 static int mlx5e_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
1792 struct mlx5e_priv *priv = netdev_priv(dev);
1793 struct mlx5_core_dev *mdev = priv->mdev;
1794 struct mlx5e_txqsq *sq = priv->txq2sq[index];
1797 if (!mlx5_rl_is_supported(mdev)) {
1798 netdev_err(dev, "Rate limiting is not supported on this device\n");
1802 /* rate is given in Mb/sec, HW config is in Kb/sec */
1805 /* Check whether rate in valid range, 0 is always valid */
1806 if (rate && !mlx5_rl_is_in_range(mdev, rate)) {
1807 netdev_err(dev, "TX rate %u, is not in range\n", rate);
1811 mutex_lock(&priv->state_lock);
1812 if (test_bit(MLX5E_STATE_OPENED, &priv->state))
1813 err = mlx5e_set_sq_maxrate(dev, sq, rate);
1815 priv->tx_rates[index] = rate;
1816 mutex_unlock(&priv->state_lock);
1821 static int mlx5e_open_rxq_rq(struct mlx5e_channel *c, struct mlx5e_params *params,
1822 struct mlx5e_rq_param *rq_params)
1826 err = mlx5e_init_rxq_rq(c, params, &c->rq);
1830 return mlx5e_open_rq(params, rq_params, NULL, cpu_to_node(c->cpu), &c->rq);
1833 static int mlx5e_open_queues(struct mlx5e_channel *c,
1834 struct mlx5e_params *params,
1835 struct mlx5e_channel_param *cparam)
1837 struct dim_cq_moder icocq_moder = {0, 0};
1838 struct mlx5e_create_cq_param ccp;
1841 mlx5e_build_create_cq_param(&ccp, c);
1843 err = mlx5e_open_cq(c->priv, icocq_moder, &cparam->async_icosq.cqp, &ccp,
1844 &c->async_icosq.cq);
1848 err = mlx5e_open_cq(c->priv, icocq_moder, &cparam->icosq.cqp, &ccp,
1851 goto err_close_async_icosq_cq;
1853 err = mlx5e_open_tx_cqs(c, params, &ccp, cparam);
1855 goto err_close_icosq_cq;
1857 err = mlx5e_open_cq(c->priv, params->tx_cq_moderation, &cparam->xdp_sq.cqp, &ccp,
1860 goto err_close_tx_cqs;
1862 err = mlx5e_open_cq(c->priv, params->rx_cq_moderation, &cparam->rq.cqp, &ccp,
1865 goto err_close_xdp_tx_cqs;
1867 err = c->xdp ? mlx5e_open_cq(c->priv, params->tx_cq_moderation, &cparam->xdp_sq.cqp,
1868 &ccp, &c->rq_xdpsq.cq) : 0;
1870 goto err_close_rx_cq;
1872 spin_lock_init(&c->async_icosq_lock);
1874 err = mlx5e_open_icosq(c, params, &cparam->async_icosq, &c->async_icosq);
1876 goto err_close_xdpsq_cq;
1878 err = mlx5e_open_icosq(c, params, &cparam->icosq, &c->icosq);
1880 goto err_close_async_icosq;
1882 err = mlx5e_open_sqs(c, params, cparam);
1884 goto err_close_icosq;
1886 err = mlx5e_open_rxq_rq(c, params, &cparam->rq);
1891 err = mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, NULL,
1892 &c->rq_xdpsq, false);
1897 err = mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, NULL, &c->xdpsq, true);
1899 goto err_close_xdp_sq;
1905 mlx5e_close_xdpsq(&c->rq_xdpsq);
1908 mlx5e_close_rq(&c->rq);
1914 mlx5e_close_icosq(&c->icosq);
1916 err_close_async_icosq:
1917 mlx5e_close_icosq(&c->async_icosq);
1921 mlx5e_close_cq(&c->rq_xdpsq.cq);
1924 mlx5e_close_cq(&c->rq.cq);
1926 err_close_xdp_tx_cqs:
1927 mlx5e_close_cq(&c->xdpsq.cq);
1930 mlx5e_close_tx_cqs(c);
1933 mlx5e_close_cq(&c->icosq.cq);
1935 err_close_async_icosq_cq:
1936 mlx5e_close_cq(&c->async_icosq.cq);
1941 static void mlx5e_close_queues(struct mlx5e_channel *c)
1943 mlx5e_close_xdpsq(&c->xdpsq);
1945 mlx5e_close_xdpsq(&c->rq_xdpsq);
1946 mlx5e_close_rq(&c->rq);
1948 mlx5e_close_icosq(&c->icosq);
1949 mlx5e_close_icosq(&c->async_icosq);
1951 mlx5e_close_cq(&c->rq_xdpsq.cq);
1952 mlx5e_close_cq(&c->rq.cq);
1953 mlx5e_close_cq(&c->xdpsq.cq);
1954 mlx5e_close_tx_cqs(c);
1955 mlx5e_close_cq(&c->icosq.cq);
1956 mlx5e_close_cq(&c->async_icosq.cq);
1959 static u8 mlx5e_enumerate_lag_port(struct mlx5_core_dev *mdev, int ix)
1961 u16 port_aff_bias = mlx5_core_is_pf(mdev) ? 0 : MLX5_CAP_GEN(mdev, vhca_id);
1963 return (ix + port_aff_bias) % mlx5e_get_num_lag_ports(mdev);
1966 static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
1967 struct mlx5e_params *params,
1968 struct mlx5e_channel_param *cparam,
1969 struct xsk_buff_pool *xsk_pool,
1970 struct mlx5e_channel **cp)
1972 int cpu = cpumask_first(mlx5_comp_irq_get_affinity_mask(priv->mdev, ix));
1973 struct net_device *netdev = priv->netdev;
1974 struct mlx5e_xsk_param xsk;
1975 struct mlx5e_channel *c;
1979 err = mlx5_vector2irqn(priv->mdev, ix, &irq);
1983 c = kvzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu));
1988 c->mdev = priv->mdev;
1989 c->tstamp = &priv->tstamp;
1992 c->pdev = mlx5_core_dma_dev(priv->mdev);
1993 c->netdev = priv->netdev;
1994 c->mkey_be = cpu_to_be32(priv->mdev->mlx5e_res.hw_objs.mkey.key);
1995 c->num_tc = mlx5e_get_dcb_num_tc(params);
1996 c->xdp = !!params->xdp_prog;
1997 c->stats = &priv->channel_stats[ix].ch;
1998 c->aff_mask = irq_get_effective_affinity_mask(irq);
1999 c->lag_port = mlx5e_enumerate_lag_port(priv->mdev, ix);
2001 netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64);
2003 err = mlx5e_open_queues(c, params, cparam);
2008 mlx5e_build_xsk_param(xsk_pool, &xsk);
2009 err = mlx5e_open_xsk(priv, params, &xsk, xsk_pool, c);
2011 goto err_close_queues;
2019 mlx5e_close_queues(c);
2022 netif_napi_del(&c->napi);
2029 static void mlx5e_activate_channel(struct mlx5e_channel *c)
2033 napi_enable(&c->napi);
2035 for (tc = 0; tc < c->num_tc; tc++)
2036 mlx5e_activate_txqsq(&c->sq[tc]);
2037 mlx5e_activate_icosq(&c->icosq);
2038 mlx5e_activate_icosq(&c->async_icosq);
2039 mlx5e_activate_rq(&c->rq);
2041 if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state))
2042 mlx5e_activate_xsk(c);
2045 static void mlx5e_deactivate_channel(struct mlx5e_channel *c)
2049 if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state))
2050 mlx5e_deactivate_xsk(c);
2052 mlx5e_deactivate_rq(&c->rq);
2053 mlx5e_deactivate_icosq(&c->async_icosq);
2054 mlx5e_deactivate_icosq(&c->icosq);
2055 for (tc = 0; tc < c->num_tc; tc++)
2056 mlx5e_deactivate_txqsq(&c->sq[tc]);
2057 mlx5e_qos_deactivate_queues(c);
2059 napi_disable(&c->napi);
2062 static void mlx5e_close_channel(struct mlx5e_channel *c)
2064 if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state))
2066 mlx5e_close_queues(c);
2067 mlx5e_qos_close_queues(c);
2068 netif_napi_del(&c->napi);
2073 int mlx5e_open_channels(struct mlx5e_priv *priv,
2074 struct mlx5e_channels *chs)
2076 struct mlx5e_channel_param *cparam;
2080 chs->num = chs->params.num_channels;
2082 chs->c = kcalloc(chs->num, sizeof(struct mlx5e_channel *), GFP_KERNEL);
2083 cparam = kvzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL);
2084 if (!chs->c || !cparam)
2087 err = mlx5e_build_channel_param(priv->mdev, &chs->params, priv->q_counter, cparam);
2091 for (i = 0; i < chs->num; i++) {
2092 struct xsk_buff_pool *xsk_pool = NULL;
2094 if (chs->params.xdp_prog)
2095 xsk_pool = mlx5e_xsk_get_pool(&chs->params, chs->params.xsk, i);
2097 err = mlx5e_open_channel(priv, i, &chs->params, cparam, xsk_pool, &chs->c[i]);
2099 goto err_close_channels;
2102 if (MLX5E_GET_PFLAG(&chs->params, MLX5E_PFLAG_TX_PORT_TS) || chs->params.ptp_rx) {
2103 err = mlx5e_ptp_open(priv, &chs->params, chs->c[0]->lag_port, &chs->ptp);
2105 goto err_close_channels;
2108 err = mlx5e_qos_open_queues(priv, chs);
2112 mlx5e_health_channels_update(priv);
2118 mlx5e_ptp_close(chs->ptp);
2121 for (i--; i >= 0; i--)
2122 mlx5e_close_channel(chs->c[i]);
2131 static void mlx5e_activate_channels(struct mlx5e_channels *chs)
2135 for (i = 0; i < chs->num; i++)
2136 mlx5e_activate_channel(chs->c[i]);
2139 mlx5e_ptp_activate_channel(chs->ptp);
2142 #define MLX5E_RQ_WQES_TIMEOUT 20000 /* msecs */
2144 static int mlx5e_wait_channels_min_rx_wqes(struct mlx5e_channels *chs)
2149 for (i = 0; i < chs->num; i++) {
2150 int timeout = err ? 0 : MLX5E_RQ_WQES_TIMEOUT;
2152 err |= mlx5e_wait_for_min_rx_wqes(&chs->c[i]->rq, timeout);
2154 /* Don't wait on the XSK RQ, because the newer xdpsock sample
2155 * doesn't provide any Fill Ring entries at the setup stage.
2159 return err ? -ETIMEDOUT : 0;
2162 static void mlx5e_deactivate_channels(struct mlx5e_channels *chs)
2167 mlx5e_ptp_deactivate_channel(chs->ptp);
2169 for (i = 0; i < chs->num; i++)
2170 mlx5e_deactivate_channel(chs->c[i]);
2173 void mlx5e_close_channels(struct mlx5e_channels *chs)
2178 mlx5e_ptp_close(chs->ptp);
2181 for (i = 0; i < chs->num; i++)
2182 mlx5e_close_channel(chs->c[i]);
2188 static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv)
2190 struct mlx5e_rx_res *res = priv->rx_res;
2191 struct mlx5e_lro_param lro_param;
2193 lro_param = mlx5e_get_lro_param(&priv->channels.params);
2195 return mlx5e_rx_res_lro_set_param(res, &lro_param);
2198 static MLX5E_DEFINE_PREACTIVATE_WRAPPER_CTX(mlx5e_modify_tirs_lro);
2200 static int mlx5e_set_mtu(struct mlx5_core_dev *mdev,
2201 struct mlx5e_params *params, u16 mtu)
2203 u16 hw_mtu = MLX5E_SW2HW_MTU(params, mtu);
2206 err = mlx5_set_port_mtu(mdev, hw_mtu, 1);
2210 /* Update vport context MTU */
2211 mlx5_modify_nic_vport_mtu(mdev, hw_mtu);
2215 static void mlx5e_query_mtu(struct mlx5_core_dev *mdev,
2216 struct mlx5e_params *params, u16 *mtu)
2221 err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu);
2222 if (err || !hw_mtu) /* fallback to port oper mtu */
2223 mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1);
2225 *mtu = MLX5E_HW2SW_MTU(params, hw_mtu);
2228 int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv)
2230 struct mlx5e_params *params = &priv->channels.params;
2231 struct net_device *netdev = priv->netdev;
2232 struct mlx5_core_dev *mdev = priv->mdev;
2236 err = mlx5e_set_mtu(mdev, params, params->sw_mtu);
2240 mlx5e_query_mtu(mdev, params, &mtu);
2241 if (mtu != params->sw_mtu)
2242 netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n",
2243 __func__, mtu, params->sw_mtu);
2245 params->sw_mtu = mtu;
2249 MLX5E_DEFINE_PREACTIVATE_WRAPPER_CTX(mlx5e_set_dev_port_mtu);
2251 void mlx5e_set_netdev_mtu_boundaries(struct mlx5e_priv *priv)
2253 struct mlx5e_params *params = &priv->channels.params;
2254 struct net_device *netdev = priv->netdev;
2255 struct mlx5_core_dev *mdev = priv->mdev;
2258 /* MTU range: 68 - hw-specific max */
2259 netdev->min_mtu = ETH_MIN_MTU;
2261 mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
2262 netdev->max_mtu = min_t(unsigned int, MLX5E_HW2SW_MTU(params, max_mtu),
2266 static int mlx5e_netdev_set_tcs(struct net_device *netdev, u16 nch, u8 ntc,
2267 struct tc_mqprio_qopt_offload *mqprio)
2271 netdev_reset_tc(netdev);
2276 err = netdev_set_num_tc(netdev, ntc);
2278 netdev_WARN(netdev, "netdev_set_num_tc failed (%d), ntc = %d\n", err, ntc);
2282 for (tc = 0; tc < ntc; tc++) {
2285 /* For DCB mode, map netdev TCs to offset 0
2286 * We have our own UP to TXQ mapping for QoS
2288 count = mqprio ? mqprio->qopt.count[tc] : nch;
2289 offset = mqprio ? mqprio->qopt.offset[tc] : 0;
2290 netdev_set_tc_queue(netdev, tc, count, offset);
2296 int mlx5e_update_tx_netdev_queues(struct mlx5e_priv *priv)
2298 int qos_queues, nch, ntc, num_txqs, err;
2300 qos_queues = mlx5e_qos_cur_leaf_nodes(priv);
2302 nch = priv->channels.params.num_channels;
2303 ntc = mlx5e_get_dcb_num_tc(&priv->channels.params);
2304 num_txqs = nch * ntc + qos_queues;
2305 if (MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_PORT_TS))
2308 mlx5e_dbg(DRV, priv, "Setting num_txqs %d\n", num_txqs);
2309 err = netif_set_real_num_tx_queues(priv->netdev, num_txqs);
2311 netdev_warn(priv->netdev, "netif_set_real_num_tx_queues failed, %d\n", err);
2316 static int mlx5e_update_netdev_queues(struct mlx5e_priv *priv)
2318 struct net_device *netdev = priv->netdev;
2319 int old_num_txqs, old_ntc;
2320 int num_rxqs, nch, ntc;
2323 old_num_txqs = netdev->real_num_tx_queues;
2324 old_ntc = netdev->num_tc ? : 1;
2326 nch = priv->channels.params.num_channels;
2327 ntc = mlx5e_get_dcb_num_tc(&priv->channels.params);
2328 num_rxqs = nch * priv->profile->rq_groups;
2330 err = mlx5e_netdev_set_tcs(netdev, nch, ntc, NULL);
2333 err = mlx5e_update_tx_netdev_queues(priv);
2336 err = netif_set_real_num_rx_queues(netdev, num_rxqs);
2338 netdev_warn(netdev, "netif_set_real_num_rx_queues failed, %d\n", err);
2345 /* netif_set_real_num_rx_queues could fail only when nch increased. Only
2346 * one of nch and ntc is changed in this function. That means, the call
2347 * to netif_set_real_num_tx_queues below should not fail, because it
2348 * decreases the number of TX queues.
2350 WARN_ON_ONCE(netif_set_real_num_tx_queues(netdev, old_num_txqs));
2353 mlx5e_netdev_set_tcs(netdev, old_num_txqs / old_ntc, old_ntc, NULL);
2358 static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv,
2359 struct mlx5e_params *params)
2361 struct mlx5_core_dev *mdev = priv->mdev;
2362 int num_comp_vectors, ix, irq;
2364 num_comp_vectors = mlx5_comp_vectors_count(mdev);
2366 for (ix = 0; ix < params->num_channels; ix++) {
2367 cpumask_clear(priv->scratchpad.cpumask);
2369 for (irq = ix; irq < num_comp_vectors; irq += params->num_channels) {
2370 int cpu = cpumask_first(mlx5_comp_irq_get_affinity_mask(mdev, irq));
2372 cpumask_set_cpu(cpu, priv->scratchpad.cpumask);
2375 netif_set_xps_queue(priv->netdev, priv->scratchpad.cpumask, ix);
2379 int mlx5e_num_channels_changed(struct mlx5e_priv *priv)
2381 u16 count = priv->channels.params.num_channels;
2384 err = mlx5e_update_netdev_queues(priv);
2388 mlx5e_set_default_xps_cpumasks(priv, &priv->channels.params);
2390 /* This function may be called on attach, before priv->rx_res is created. */
2391 if (!netif_is_rxfh_configured(priv->netdev) && priv->rx_res)
2392 mlx5e_rx_res_rss_set_indir_uniform(priv->rx_res, count);
2397 MLX5E_DEFINE_PREACTIVATE_WRAPPER_CTX(mlx5e_num_channels_changed);
2399 static void mlx5e_build_txq_maps(struct mlx5e_priv *priv)
2401 int i, ch, tc, num_tc;
2403 ch = priv->channels.num;
2404 num_tc = mlx5e_get_dcb_num_tc(&priv->channels.params);
2406 for (i = 0; i < ch; i++) {
2407 for (tc = 0; tc < num_tc; tc++) {
2408 struct mlx5e_channel *c = priv->channels.c[i];
2409 struct mlx5e_txqsq *sq = &c->sq[tc];
2411 priv->txq2sq[sq->txq_ix] = sq;
2412 priv->channel_tc2realtxq[i][tc] = i + tc * ch;
2416 if (!priv->channels.ptp)
2419 if (!test_bit(MLX5E_PTP_STATE_TX, priv->channels.ptp->state))
2422 for (tc = 0; tc < num_tc; tc++) {
2423 struct mlx5e_ptp *c = priv->channels.ptp;
2424 struct mlx5e_txqsq *sq = &c->ptpsq[tc].txqsq;
2426 priv->txq2sq[sq->txq_ix] = sq;
2427 priv->port_ptp_tc2realtxq[tc] = priv->num_tc_x_num_ch + tc;
2431 static void mlx5e_update_num_tc_x_num_ch(struct mlx5e_priv *priv)
2433 /* Sync with mlx5e_select_queue. */
2434 WRITE_ONCE(priv->num_tc_x_num_ch,
2435 mlx5e_get_dcb_num_tc(&priv->channels.params) * priv->channels.num);
2438 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv)
2440 mlx5e_update_num_tc_x_num_ch(priv);
2441 mlx5e_build_txq_maps(priv);
2442 mlx5e_activate_channels(&priv->channels);
2443 mlx5e_qos_activate_queues(priv);
2444 mlx5e_xdp_tx_enable(priv);
2445 netif_tx_start_all_queues(priv->netdev);
2447 if (mlx5e_is_vport_rep(priv))
2448 mlx5e_add_sqs_fwd_rules(priv);
2450 mlx5e_wait_channels_min_rx_wqes(&priv->channels);
2453 mlx5e_rx_res_channels_activate(priv->rx_res, &priv->channels);
2456 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv)
2459 mlx5e_rx_res_channels_deactivate(priv->rx_res);
2461 if (mlx5e_is_vport_rep(priv))
2462 mlx5e_remove_sqs_fwd_rules(priv);
2464 /* FIXME: This is a W/A only for tx timeout watch dog false alarm when
2465 * polling for inactive tx queues.
2467 netif_tx_stop_all_queues(priv->netdev);
2468 netif_tx_disable(priv->netdev);
2469 mlx5e_xdp_tx_disable(priv);
2470 mlx5e_deactivate_channels(&priv->channels);
2473 static int mlx5e_switch_priv_params(struct mlx5e_priv *priv,
2474 struct mlx5e_params *new_params,
2475 mlx5e_fp_preactivate preactivate,
2478 struct mlx5e_params old_params;
2480 old_params = priv->channels.params;
2481 priv->channels.params = *new_params;
2486 err = preactivate(priv, context);
2488 priv->channels.params = old_params;
2496 static int mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
2497 struct mlx5e_channels *new_chs,
2498 mlx5e_fp_preactivate preactivate,
2501 struct net_device *netdev = priv->netdev;
2502 struct mlx5e_channels old_chs;
2506 carrier_ok = netif_carrier_ok(netdev);
2507 netif_carrier_off(netdev);
2509 mlx5e_deactivate_priv_channels(priv);
2511 old_chs = priv->channels;
2512 priv->channels = *new_chs;
2514 /* New channels are ready to roll, call the preactivate hook if needed
2515 * to modify HW settings or update kernel parameters.
2518 err = preactivate(priv, context);
2520 priv->channels = old_chs;
2525 mlx5e_close_channels(&old_chs);
2526 priv->profile->update_rx(priv);
2529 mlx5e_activate_priv_channels(priv);
2531 /* return carrier back if needed */
2533 netif_carrier_on(netdev);
2538 int mlx5e_safe_switch_params(struct mlx5e_priv *priv,
2539 struct mlx5e_params *params,
2540 mlx5e_fp_preactivate preactivate,
2541 void *context, bool reset)
2543 struct mlx5e_channels new_chs = {};
2546 reset &= test_bit(MLX5E_STATE_OPENED, &priv->state);
2548 return mlx5e_switch_priv_params(priv, params, preactivate, context);
2550 new_chs.params = *params;
2551 err = mlx5e_open_channels(priv, &new_chs);
2554 err = mlx5e_switch_priv_channels(priv, &new_chs, preactivate, context);
2556 mlx5e_close_channels(&new_chs);
2561 int mlx5e_safe_reopen_channels(struct mlx5e_priv *priv)
2563 return mlx5e_safe_switch_params(priv, &priv->channels.params, NULL, NULL, true);
2566 void mlx5e_timestamp_init(struct mlx5e_priv *priv)
2568 priv->tstamp.tx_type = HWTSTAMP_TX_OFF;
2569 priv->tstamp.rx_filter = HWTSTAMP_FILTER_NONE;
2572 static void mlx5e_modify_admin_state(struct mlx5_core_dev *mdev,
2573 enum mlx5_port_status state)
2575 struct mlx5_eswitch *esw = mdev->priv.eswitch;
2576 int vport_admin_state;
2578 mlx5_set_port_admin_status(mdev, state);
2580 if (mlx5_eswitch_mode(mdev) == MLX5_ESWITCH_OFFLOADS ||
2581 !MLX5_CAP_GEN(mdev, uplink_follow))
2584 if (state == MLX5_PORT_UP)
2585 vport_admin_state = MLX5_VPORT_ADMIN_STATE_AUTO;
2587 vport_admin_state = MLX5_VPORT_ADMIN_STATE_DOWN;
2589 mlx5_eswitch_set_vport_state(esw, MLX5_VPORT_UPLINK, vport_admin_state);
2592 int mlx5e_open_locked(struct net_device *netdev)
2594 struct mlx5e_priv *priv = netdev_priv(netdev);
2597 set_bit(MLX5E_STATE_OPENED, &priv->state);
2599 err = mlx5e_open_channels(priv, &priv->channels);
2601 goto err_clear_state_opened_flag;
2603 priv->profile->update_rx(priv);
2604 mlx5e_activate_priv_channels(priv);
2605 mlx5e_apply_traps(priv, true);
2606 if (priv->profile->update_carrier)
2607 priv->profile->update_carrier(priv);
2609 mlx5e_queue_update_stats(priv);
2612 err_clear_state_opened_flag:
2613 clear_bit(MLX5E_STATE_OPENED, &priv->state);
2617 int mlx5e_open(struct net_device *netdev)
2619 struct mlx5e_priv *priv = netdev_priv(netdev);
2622 mutex_lock(&priv->state_lock);
2623 err = mlx5e_open_locked(netdev);
2625 mlx5e_modify_admin_state(priv->mdev, MLX5_PORT_UP);
2626 mutex_unlock(&priv->state_lock);
2631 int mlx5e_close_locked(struct net_device *netdev)
2633 struct mlx5e_priv *priv = netdev_priv(netdev);
2635 /* May already be CLOSED in case a previous configuration operation
2636 * (e.g RX/TX queue size change) that involves close&open failed.
2638 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
2641 mlx5e_apply_traps(priv, false);
2642 clear_bit(MLX5E_STATE_OPENED, &priv->state);
2644 netif_carrier_off(priv->netdev);
2645 mlx5e_deactivate_priv_channels(priv);
2646 mlx5e_close_channels(&priv->channels);
2651 int mlx5e_close(struct net_device *netdev)
2653 struct mlx5e_priv *priv = netdev_priv(netdev);
2656 if (!netif_device_present(netdev))
2659 mutex_lock(&priv->state_lock);
2660 mlx5e_modify_admin_state(priv->mdev, MLX5_PORT_DOWN);
2661 err = mlx5e_close_locked(netdev);
2662 mutex_unlock(&priv->state_lock);
2667 static void mlx5e_free_drop_rq(struct mlx5e_rq *rq)
2669 mlx5_wq_destroy(&rq->wq_ctrl);
2672 static int mlx5e_alloc_drop_rq(struct mlx5_core_dev *mdev,
2673 struct mlx5e_rq *rq,
2674 struct mlx5e_rq_param *param)
2676 void *rqc = param->rqc;
2677 void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
2680 param->wq.db_numa_node = param->wq.buf_numa_node;
2682 err = mlx5_wq_cyc_create(mdev, ¶m->wq, rqc_wq, &rq->wqe.wq,
2687 /* Mark as unused given "Drop-RQ" packets never reach XDP */
2688 xdp_rxq_info_unused(&rq->xdp_rxq);
2695 static int mlx5e_alloc_drop_cq(struct mlx5e_priv *priv,
2696 struct mlx5e_cq *cq,
2697 struct mlx5e_cq_param *param)
2699 struct mlx5_core_dev *mdev = priv->mdev;
2701 param->wq.buf_numa_node = dev_to_node(mlx5_core_dma_dev(mdev));
2702 param->wq.db_numa_node = dev_to_node(mlx5_core_dma_dev(mdev));
2704 return mlx5e_alloc_cq_common(priv, param, cq);
2707 int mlx5e_open_drop_rq(struct mlx5e_priv *priv,
2708 struct mlx5e_rq *drop_rq)
2710 struct mlx5_core_dev *mdev = priv->mdev;
2711 struct mlx5e_cq_param cq_param = {};
2712 struct mlx5e_rq_param rq_param = {};
2713 struct mlx5e_cq *cq = &drop_rq->cq;
2716 mlx5e_build_drop_rq_param(mdev, priv->drop_rq_q_counter, &rq_param);
2718 err = mlx5e_alloc_drop_cq(priv, cq, &cq_param);
2722 err = mlx5e_create_cq(cq, &cq_param);
2726 err = mlx5e_alloc_drop_rq(mdev, drop_rq, &rq_param);
2728 goto err_destroy_cq;
2730 err = mlx5e_create_rq(drop_rq, &rq_param);
2734 err = mlx5e_modify_rq_state(drop_rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
2736 mlx5_core_warn(priv->mdev, "modify_rq_state failed, rx_if_down_packets won't be counted %d\n", err);
2741 mlx5e_free_drop_rq(drop_rq);
2744 mlx5e_destroy_cq(cq);
2752 void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq)
2754 mlx5e_destroy_rq(drop_rq);
2755 mlx5e_free_drop_rq(drop_rq);
2756 mlx5e_destroy_cq(&drop_rq->cq);
2757 mlx5e_free_cq(&drop_rq->cq);
2760 int mlx5e_create_tis(struct mlx5_core_dev *mdev, void *in, u32 *tisn)
2762 void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
2764 MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.hw_objs.td.tdn);
2766 if (MLX5_GET(tisc, tisc, tls_en))
2767 MLX5_SET(tisc, tisc, pd, mdev->mlx5e_res.hw_objs.pdn);
2769 if (mlx5_lag_is_lacp_owner(mdev))
2770 MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1);
2772 return mlx5_core_create_tis(mdev, in, tisn);
2775 void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn)
2777 mlx5_core_destroy_tis(mdev, tisn);
2780 void mlx5e_destroy_tises(struct mlx5e_priv *priv)
2784 for (i = 0; i < mlx5e_get_num_lag_ports(priv->mdev); i++)
2785 for (tc = 0; tc < priv->profile->max_tc; tc++)
2786 mlx5e_destroy_tis(priv->mdev, priv->tisn[i][tc]);
2789 static bool mlx5e_lag_should_assign_affinity(struct mlx5_core_dev *mdev)
2791 return MLX5_CAP_GEN(mdev, lag_tx_port_affinity) && mlx5e_get_num_lag_ports(mdev) > 1;
2794 int mlx5e_create_tises(struct mlx5e_priv *priv)
2799 for (i = 0; i < mlx5e_get_num_lag_ports(priv->mdev); i++) {
2800 for (tc = 0; tc < priv->profile->max_tc; tc++) {
2801 u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {};
2804 tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
2806 MLX5_SET(tisc, tisc, prio, tc << 1);
2808 if (mlx5e_lag_should_assign_affinity(priv->mdev))
2809 MLX5_SET(tisc, tisc, lag_tx_port_affinity, i + 1);
2811 err = mlx5e_create_tis(priv->mdev, in, &priv->tisn[i][tc]);
2813 goto err_close_tises;
2820 for (; i >= 0; i--) {
2821 for (tc--; tc >= 0; tc--)
2822 mlx5e_destroy_tis(priv->mdev, priv->tisn[i][tc]);
2823 tc = priv->profile->max_tc;
2829 static void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv)
2831 mlx5e_destroy_tises(priv);
2834 static int mlx5e_modify_channels_scatter_fcs(struct mlx5e_channels *chs, bool enable)
2839 for (i = 0; i < chs->num; i++) {
2840 err = mlx5e_modify_rq_scatter_fcs(&chs->c[i]->rq, enable);
2848 static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd)
2853 for (i = 0; i < chs->num; i++) {
2854 err = mlx5e_modify_rq_vsd(&chs->c[i]->rq, vsd);
2858 if (chs->ptp && test_bit(MLX5E_PTP_STATE_RX, chs->ptp->state))
2859 return mlx5e_modify_rq_vsd(&chs->ptp->rq, vsd);
2864 static int mlx5e_setup_tc_mqprio_dcb(struct mlx5e_priv *priv,
2865 struct tc_mqprio_qopt *mqprio)
2867 struct mlx5e_params new_params;
2868 u8 tc = mqprio->num_tc;
2871 mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
2873 if (tc && tc != MLX5E_MAX_NUM_TC)
2876 new_params = priv->channels.params;
2877 new_params.mqprio.mode = TC_MQPRIO_MODE_DCB;
2878 new_params.mqprio.num_tc = tc ? tc : 1;
2880 err = mlx5e_safe_switch_params(priv, &new_params,
2881 mlx5e_num_channels_changed_ctx, NULL, true);
2883 priv->max_opened_tc = max_t(u8, priv->max_opened_tc,
2884 mlx5e_get_dcb_num_tc(&priv->channels.params));
2888 static int mlx5e_mqprio_channel_validate(struct mlx5e_priv *priv,
2889 struct tc_mqprio_qopt_offload *mqprio)
2891 struct net_device *netdev = priv->netdev;
2895 if (mqprio->qopt.offset[0] != 0 || mqprio->qopt.num_tc < 1 ||
2896 mqprio->qopt.num_tc > MLX5E_MAX_NUM_MQPRIO_CH_TC)
2899 for (i = 0; i < mqprio->qopt.num_tc; i++) {
2900 if (!mqprio->qopt.count[i]) {
2901 netdev_err(netdev, "Zero size for queue-group (%d) is not supported\n", i);
2904 if (mqprio->min_rate[i]) {
2905 netdev_err(netdev, "Min tx rate is not supported\n");
2908 if (mqprio->max_rate[i]) {
2909 netdev_err(netdev, "Max tx rate is not supported\n");
2913 if (mqprio->qopt.offset[i] != agg_count) {
2914 netdev_err(netdev, "Discontinuous queues config is not supported\n");
2917 agg_count += mqprio->qopt.count[i];
2920 if (priv->channels.params.num_channels < agg_count) {
2921 netdev_err(netdev, "Num of queues (%d) exceeds available (%d)\n",
2922 agg_count, priv->channels.params.num_channels);
2929 static int mlx5e_mqprio_channel_set_tcs_ctx(struct mlx5e_priv *priv, void *ctx)
2931 struct tc_mqprio_qopt_offload *mqprio = (struct tc_mqprio_qopt_offload *)ctx;
2932 struct net_device *netdev = priv->netdev;
2935 if (priv->channels.params.mqprio.mode != TC_MQPRIO_MODE_CHANNEL)
2938 num_tc = priv->channels.params.mqprio.num_tc;
2939 mlx5e_netdev_set_tcs(netdev, 0, num_tc, mqprio);
2944 static int mlx5e_setup_tc_mqprio_channel(struct mlx5e_priv *priv,
2945 struct tc_mqprio_qopt_offload *mqprio)
2947 struct mlx5e_params new_params;
2950 err = mlx5e_mqprio_channel_validate(priv, mqprio);
2954 new_params = priv->channels.params;
2955 new_params.mqprio.mode = TC_MQPRIO_MODE_CHANNEL;
2956 new_params.mqprio.num_tc = mqprio->qopt.num_tc;
2957 err = mlx5e_safe_switch_params(priv, &new_params,
2958 mlx5e_mqprio_channel_set_tcs_ctx, mqprio, true);
2963 static int mlx5e_setup_tc_mqprio(struct mlx5e_priv *priv,
2964 struct tc_mqprio_qopt_offload *mqprio)
2966 /* MQPRIO is another toplevel qdisc that can't be attached
2967 * simultaneously with the offloaded HTB.
2969 if (WARN_ON(priv->htb.maj_id))
2972 switch (mqprio->mode) {
2973 case TC_MQPRIO_MODE_DCB:
2974 return mlx5e_setup_tc_mqprio_dcb(priv, &mqprio->qopt);
2975 case TC_MQPRIO_MODE_CHANNEL:
2976 return mlx5e_setup_tc_mqprio_channel(priv, mqprio);
2982 static int mlx5e_setup_tc_htb(struct mlx5e_priv *priv, struct tc_htb_qopt_offload *htb)
2986 switch (htb->command) {
2988 return mlx5e_htb_root_add(priv, htb->parent_classid, htb->classid,
2990 case TC_HTB_DESTROY:
2991 return mlx5e_htb_root_del(priv);
2992 case TC_HTB_LEAF_ALLOC_QUEUE:
2993 res = mlx5e_htb_leaf_alloc_queue(priv, htb->classid, htb->parent_classid,
2994 htb->rate, htb->ceil, htb->extack);
2999 case TC_HTB_LEAF_TO_INNER:
3000 return mlx5e_htb_leaf_to_inner(priv, htb->parent_classid, htb->classid,
3001 htb->rate, htb->ceil, htb->extack);
3002 case TC_HTB_LEAF_DEL:
3003 return mlx5e_htb_leaf_del(priv, &htb->classid, htb->extack);
3004 case TC_HTB_LEAF_DEL_LAST:
3005 case TC_HTB_LEAF_DEL_LAST_FORCE:
3006 return mlx5e_htb_leaf_del_last(priv, htb->classid,
3007 htb->command == TC_HTB_LEAF_DEL_LAST_FORCE,
3009 case TC_HTB_NODE_MODIFY:
3010 return mlx5e_htb_node_modify(priv, htb->classid, htb->rate, htb->ceil,
3012 case TC_HTB_LEAF_QUERY_QUEUE:
3013 res = mlx5e_get_txq_by_classid(priv, htb->classid);
3023 static LIST_HEAD(mlx5e_block_cb_list);
3025 static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
3028 struct mlx5e_priv *priv = netdev_priv(dev);
3029 bool tc_unbind = false;
3032 if (type == TC_SETUP_BLOCK &&
3033 ((struct flow_block_offload *)type_data)->command == FLOW_BLOCK_UNBIND)
3036 if (!netif_device_present(dev) && !tc_unbind)
3040 case TC_SETUP_BLOCK: {
3041 struct flow_block_offload *f = type_data;
3043 f->unlocked_driver_cb = true;
3044 return flow_block_cb_setup_simple(type_data,
3045 &mlx5e_block_cb_list,
3046 mlx5e_setup_tc_block_cb,
3049 case TC_SETUP_QDISC_MQPRIO:
3050 mutex_lock(&priv->state_lock);
3051 err = mlx5e_setup_tc_mqprio(priv, type_data);
3052 mutex_unlock(&priv->state_lock);
3054 case TC_SETUP_QDISC_HTB:
3055 mutex_lock(&priv->state_lock);
3056 err = mlx5e_setup_tc_htb(priv, type_data);
3057 mutex_unlock(&priv->state_lock);
3064 void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s)
3068 for (i = 0; i < priv->max_nch; i++) {
3069 struct mlx5e_channel_stats *channel_stats = &priv->channel_stats[i];
3070 struct mlx5e_rq_stats *xskrq_stats = &channel_stats->xskrq;
3071 struct mlx5e_rq_stats *rq_stats = &channel_stats->rq;
3074 s->rx_packets += rq_stats->packets + xskrq_stats->packets;
3075 s->rx_bytes += rq_stats->bytes + xskrq_stats->bytes;
3076 s->multicast += rq_stats->mcast_packets + xskrq_stats->mcast_packets;
3078 for (j = 0; j < priv->max_opened_tc; j++) {
3079 struct mlx5e_sq_stats *sq_stats = &channel_stats->sq[j];
3081 s->tx_packets += sq_stats->packets;
3082 s->tx_bytes += sq_stats->bytes;
3083 s->tx_dropped += sq_stats->dropped;
3086 if (priv->tx_ptp_opened) {
3087 for (i = 0; i < priv->max_opened_tc; i++) {
3088 struct mlx5e_sq_stats *sq_stats = &priv->ptp_stats.sq[i];
3090 s->tx_packets += sq_stats->packets;
3091 s->tx_bytes += sq_stats->bytes;
3092 s->tx_dropped += sq_stats->dropped;
3095 if (priv->rx_ptp_opened) {
3096 struct mlx5e_rq_stats *rq_stats = &priv->ptp_stats.rq;
3098 s->rx_packets += rq_stats->packets;
3099 s->rx_bytes += rq_stats->bytes;
3100 s->multicast += rq_stats->mcast_packets;
3105 mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
3107 struct mlx5e_priv *priv = netdev_priv(dev);
3108 struct mlx5e_pport_stats *pstats = &priv->stats.pport;
3110 if (!netif_device_present(dev))
3113 /* In switchdev mode, monitor counters doesn't monitor
3114 * rx/tx stats of 802_3. The update stats mechanism
3115 * should keep the 802_3 layout counters updated
3117 if (!mlx5e_monitor_counter_supported(priv) ||
3118 mlx5e_is_uplink_rep(priv)) {
3119 /* update HW stats in background for next time */
3120 mlx5e_queue_update_stats(priv);
3123 if (mlx5e_is_uplink_rep(priv)) {
3124 struct mlx5e_vport_stats *vstats = &priv->stats.vport;
3126 stats->rx_packets = PPORT_802_3_GET(pstats, a_frames_received_ok);
3127 stats->rx_bytes = PPORT_802_3_GET(pstats, a_octets_received_ok);
3128 stats->tx_packets = PPORT_802_3_GET(pstats, a_frames_transmitted_ok);
3129 stats->tx_bytes = PPORT_802_3_GET(pstats, a_octets_transmitted_ok);
3131 /* vport multicast also counts packets that are dropped due to steering
3132 * or rx out of buffer
3134 stats->multicast = VPORT_COUNTER_GET(vstats, received_eth_multicast.packets);
3136 mlx5e_fold_sw_stats64(priv, stats);
3139 stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer;
3141 stats->rx_length_errors =
3142 PPORT_802_3_GET(pstats, a_in_range_length_errors) +
3143 PPORT_802_3_GET(pstats, a_out_of_range_length_field) +
3144 PPORT_802_3_GET(pstats, a_frame_too_long_errors);
3145 stats->rx_crc_errors =
3146 PPORT_802_3_GET(pstats, a_frame_check_sequence_errors);
3147 stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors);
3148 stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards);
3149 stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors +
3150 stats->rx_frame_errors;
3151 stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors;
3154 static void mlx5e_nic_set_rx_mode(struct mlx5e_priv *priv)
3156 if (mlx5e_is_uplink_rep(priv))
3157 return; /* no rx mode for uplink rep */
3159 queue_work(priv->wq, &priv->set_rx_mode_work);
3162 static void mlx5e_set_rx_mode(struct net_device *dev)
3164 struct mlx5e_priv *priv = netdev_priv(dev);
3166 mlx5e_nic_set_rx_mode(priv);
3169 static int mlx5e_set_mac(struct net_device *netdev, void *addr)
3171 struct mlx5e_priv *priv = netdev_priv(netdev);
3172 struct sockaddr *saddr = addr;
3174 if (!is_valid_ether_addr(saddr->sa_data))
3175 return -EADDRNOTAVAIL;
3177 netif_addr_lock_bh(netdev);
3178 ether_addr_copy(netdev->dev_addr, saddr->sa_data);
3179 netif_addr_unlock_bh(netdev);
3181 mlx5e_nic_set_rx_mode(priv);
3186 #define MLX5E_SET_FEATURE(features, feature, enable) \
3189 *features |= feature; \
3191 *features &= ~feature; \
3194 typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable);
3196 static int set_feature_lro(struct net_device *netdev, bool enable)
3198 struct mlx5e_priv *priv = netdev_priv(netdev);
3199 struct mlx5_core_dev *mdev = priv->mdev;
3200 struct mlx5e_params *cur_params;
3201 struct mlx5e_params new_params;
3205 mutex_lock(&priv->state_lock);
3207 if (enable && priv->xsk.refcnt) {
3208 netdev_warn(netdev, "LRO is incompatible with AF_XDP (%u XSKs are active)\n",
3214 cur_params = &priv->channels.params;
3215 if (enable && !MLX5E_GET_PFLAG(cur_params, MLX5E_PFLAG_RX_STRIDING_RQ)) {
3216 netdev_warn(netdev, "can't set LRO with legacy RQ\n");
3221 new_params = *cur_params;
3222 new_params.lro_en = enable;
3224 if (cur_params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
3225 if (mlx5e_rx_mpwqe_is_linear_skb(mdev, cur_params, NULL) ==
3226 mlx5e_rx_mpwqe_is_linear_skb(mdev, &new_params, NULL))
3230 err = mlx5e_safe_switch_params(priv, &new_params,
3231 mlx5e_modify_tirs_lro_ctx, NULL, reset);
3233 mutex_unlock(&priv->state_lock);
3237 static int set_feature_cvlan_filter(struct net_device *netdev, bool enable)
3239 struct mlx5e_priv *priv = netdev_priv(netdev);
3242 mlx5e_enable_cvlan_filter(priv);
3244 mlx5e_disable_cvlan_filter(priv);
3249 static int set_feature_hw_tc(struct net_device *netdev, bool enable)
3251 struct mlx5e_priv *priv = netdev_priv(netdev);
3253 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
3254 if (!enable && mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD))) {
3256 "Active offloaded tc filters, can't turn hw_tc_offload off\n");
3261 if (!enable && priv->htb.maj_id) {
3262 netdev_err(netdev, "Active HTB offload, can't turn hw_tc_offload off\n");
3269 static int set_feature_rx_all(struct net_device *netdev, bool enable)
3271 struct mlx5e_priv *priv = netdev_priv(netdev);
3272 struct mlx5_core_dev *mdev = priv->mdev;
3274 return mlx5_set_port_fcs(mdev, !enable);
3277 static int set_feature_rx_fcs(struct net_device *netdev, bool enable)
3279 struct mlx5e_priv *priv = netdev_priv(netdev);
3282 mutex_lock(&priv->state_lock);
3284 priv->channels.params.scatter_fcs_en = enable;
3285 err = mlx5e_modify_channels_scatter_fcs(&priv->channels, enable);
3287 priv->channels.params.scatter_fcs_en = !enable;
3289 mutex_unlock(&priv->state_lock);
3294 static int set_feature_rx_vlan(struct net_device *netdev, bool enable)
3296 struct mlx5e_priv *priv = netdev_priv(netdev);
3299 mutex_lock(&priv->state_lock);
3301 priv->channels.params.vlan_strip_disable = !enable;
3302 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
3305 err = mlx5e_modify_channels_vsd(&priv->channels, !enable);
3307 priv->channels.params.vlan_strip_disable = enable;
3310 mutex_unlock(&priv->state_lock);
3315 #ifdef CONFIG_MLX5_EN_ARFS
3316 static int set_feature_arfs(struct net_device *netdev, bool enable)
3318 struct mlx5e_priv *priv = netdev_priv(netdev);
3322 err = mlx5e_arfs_enable(priv);
3324 err = mlx5e_arfs_disable(priv);
3330 static int mlx5e_handle_feature(struct net_device *netdev,
3331 netdev_features_t *features,
3332 netdev_features_t wanted_features,
3333 netdev_features_t feature,
3334 mlx5e_feature_handler feature_handler)
3336 netdev_features_t changes = wanted_features ^ netdev->features;
3337 bool enable = !!(wanted_features & feature);
3340 if (!(changes & feature))
3343 err = feature_handler(netdev, enable);
3345 netdev_err(netdev, "%s feature %pNF failed, err %d\n",
3346 enable ? "Enable" : "Disable", &feature, err);
3350 MLX5E_SET_FEATURE(features, feature, enable);
3354 int mlx5e_set_features(struct net_device *netdev, netdev_features_t features)
3356 netdev_features_t oper_features = netdev->features;
3359 #define MLX5E_HANDLE_FEATURE(feature, handler) \
3360 mlx5e_handle_feature(netdev, &oper_features, features, feature, handler)
3362 err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
3363 err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
3364 set_feature_cvlan_filter);
3365 err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_hw_tc);
3366 err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
3367 err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs);
3368 err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
3369 #ifdef CONFIG_MLX5_EN_ARFS
3370 err |= MLX5E_HANDLE_FEATURE(NETIF_F_NTUPLE, set_feature_arfs);
3372 err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TLS_RX, mlx5e_ktls_set_feature_rx);
3375 netdev->features = oper_features;
3382 static netdev_features_t mlx5e_fix_uplink_rep_features(struct net_device *netdev,
3383 netdev_features_t features)
3385 features &= ~NETIF_F_HW_TLS_RX;
3386 if (netdev->features & NETIF_F_HW_TLS_RX)
3387 netdev_warn(netdev, "Disabling hw_tls_rx, not supported in switchdev mode\n");
3389 features &= ~NETIF_F_HW_TLS_TX;
3390 if (netdev->features & NETIF_F_HW_TLS_TX)
3391 netdev_warn(netdev, "Disabling hw_tls_tx, not supported in switchdev mode\n");
3393 features &= ~NETIF_F_NTUPLE;
3394 if (netdev->features & NETIF_F_NTUPLE)
3395 netdev_warn(netdev, "Disabling ntuple, not supported in switchdev mode\n");
3400 static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
3401 netdev_features_t features)
3403 struct mlx5e_priv *priv = netdev_priv(netdev);
3404 struct mlx5e_params *params;
3406 mutex_lock(&priv->state_lock);
3407 params = &priv->channels.params;
3408 if (!priv->fs.vlan ||
3409 !bitmap_empty(mlx5e_vlan_get_active_svlans(priv->fs.vlan), VLAN_N_VID)) {
3410 /* HW strips the outer C-tag header, this is a problem
3411 * for S-tag traffic.
3413 features &= ~NETIF_F_HW_VLAN_CTAG_RX;
3414 if (!params->vlan_strip_disable)
3415 netdev_warn(netdev, "Dropping C-tag vlan stripping offload due to S-tag vlan\n");
3418 if (!MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ)) {
3419 if (features & NETIF_F_LRO) {
3420 netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n");
3421 features &= ~NETIF_F_LRO;
3425 if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) {
3426 features &= ~NETIF_F_RXHASH;
3427 if (netdev->features & NETIF_F_RXHASH)
3428 netdev_warn(netdev, "Disabling rxhash, not supported when CQE compress is active\n");
3431 if (mlx5e_is_uplink_rep(priv))
3432 features = mlx5e_fix_uplink_rep_features(netdev, features);
3434 mutex_unlock(&priv->state_lock);
3439 static bool mlx5e_xsk_validate_mtu(struct net_device *netdev,
3440 struct mlx5e_channels *chs,
3441 struct mlx5e_params *new_params,
3442 struct mlx5_core_dev *mdev)
3446 for (ix = 0; ix < chs->params.num_channels; ix++) {
3447 struct xsk_buff_pool *xsk_pool =
3448 mlx5e_xsk_get_pool(&chs->params, chs->params.xsk, ix);
3449 struct mlx5e_xsk_param xsk;
3454 mlx5e_build_xsk_param(xsk_pool, &xsk);
3456 if (!mlx5e_validate_xsk_param(new_params, &xsk, mdev)) {
3457 u32 hr = mlx5e_get_linear_rq_headroom(new_params, &xsk);
3458 int max_mtu_frame, max_mtu_page, max_mtu;
3460 /* Two criteria must be met:
3461 * 1. HW MTU + all headrooms <= XSK frame size.
3462 * 2. Size of SKBs allocated on XDP_PASS <= PAGE_SIZE.
3464 max_mtu_frame = MLX5E_HW2SW_MTU(new_params, xsk.chunk_size - hr);
3465 max_mtu_page = mlx5e_xdp_max_mtu(new_params, &xsk);
3466 max_mtu = min(max_mtu_frame, max_mtu_page);
3468 netdev_err(netdev, "MTU %d is too big for an XSK running on channel %u. Try MTU <= %d\n",
3469 new_params->sw_mtu, ix, max_mtu);
3477 int mlx5e_change_mtu(struct net_device *netdev, int new_mtu,
3478 mlx5e_fp_preactivate preactivate)
3480 struct mlx5e_priv *priv = netdev_priv(netdev);
3481 struct mlx5e_params new_params;
3482 struct mlx5e_params *params;
3486 mutex_lock(&priv->state_lock);
3488 params = &priv->channels.params;
3490 new_params = *params;
3491 new_params.sw_mtu = new_mtu;
3492 err = mlx5e_validate_params(priv->mdev, &new_params);
3496 if (params->xdp_prog &&
3497 !mlx5e_rx_is_linear_skb(&new_params, NULL)) {
3498 netdev_err(netdev, "MTU(%d) > %d is not allowed while XDP enabled\n",
3499 new_mtu, mlx5e_xdp_max_mtu(params, NULL));
3504 if (priv->xsk.refcnt &&
3505 !mlx5e_xsk_validate_mtu(netdev, &priv->channels,
3506 &new_params, priv->mdev)) {
3514 if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
3515 bool is_linear_old = mlx5e_rx_mpwqe_is_linear_skb(priv->mdev, params, NULL);
3516 bool is_linear_new = mlx5e_rx_mpwqe_is_linear_skb(priv->mdev,
3518 u8 ppw_old = mlx5e_mpwqe_log_pkts_per_wqe(params, NULL);
3519 u8 ppw_new = mlx5e_mpwqe_log_pkts_per_wqe(&new_params, NULL);
3521 /* Always reset in linear mode - hw_mtu is used in data path.
3522 * Check that the mode was non-linear and didn't change.
3523 * If XSK is active, XSK RQs are linear.
3525 if (!is_linear_old && !is_linear_new && !priv->xsk.refcnt &&
3530 err = mlx5e_safe_switch_params(priv, &new_params, preactivate, NULL, reset);
3533 netdev->mtu = params->sw_mtu;
3534 mutex_unlock(&priv->state_lock);
3538 static int mlx5e_change_nic_mtu(struct net_device *netdev, int new_mtu)
3540 return mlx5e_change_mtu(netdev, new_mtu, mlx5e_set_dev_port_mtu_ctx);
3543 int mlx5e_ptp_rx_manage_fs_ctx(struct mlx5e_priv *priv, void *ctx)
3545 bool set = *(bool *)ctx;
3547 return mlx5e_ptp_rx_manage_fs(priv, set);
3550 static int mlx5e_hwstamp_config_no_ptp_rx(struct mlx5e_priv *priv, bool rx_filter)
3552 bool rx_cqe_compress_def = priv->channels.params.rx_cqe_compress_def;
3556 /* Reset CQE compression to Admin default */
3557 return mlx5e_modify_rx_cqe_compression_locked(priv, rx_cqe_compress_def);
3559 if (!MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS))
3562 /* Disable CQE compression */
3563 netdev_warn(priv->netdev, "Disabling RX cqe compression\n");
3564 err = mlx5e_modify_rx_cqe_compression_locked(priv, false);
3566 netdev_err(priv->netdev, "Failed disabling cqe compression err=%d\n", err);
3571 static int mlx5e_hwstamp_config_ptp_rx(struct mlx5e_priv *priv, bool ptp_rx)
3573 struct mlx5e_params new_params;
3575 if (ptp_rx == priv->channels.params.ptp_rx)
3578 new_params = priv->channels.params;
3579 new_params.ptp_rx = ptp_rx;
3580 return mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx,
3581 &new_params.ptp_rx, true);
3584 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
3586 struct hwtstamp_config config;
3587 bool rx_cqe_compress_def;
3591 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
3592 (mlx5_clock_get_ptp_index(priv->mdev) == -1))
3595 if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
3598 /* TX HW timestamp */
3599 switch (config.tx_type) {
3600 case HWTSTAMP_TX_OFF:
3601 case HWTSTAMP_TX_ON:
3607 mutex_lock(&priv->state_lock);
3608 rx_cqe_compress_def = priv->channels.params.rx_cqe_compress_def;
3610 /* RX HW timestamp */
3611 switch (config.rx_filter) {
3612 case HWTSTAMP_FILTER_NONE:
3615 case HWTSTAMP_FILTER_ALL:
3616 case HWTSTAMP_FILTER_SOME:
3617 case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
3618 case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
3619 case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
3620 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
3621 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
3622 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
3623 case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
3624 case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
3625 case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
3626 case HWTSTAMP_FILTER_PTP_V2_EVENT:
3627 case HWTSTAMP_FILTER_PTP_V2_SYNC:
3628 case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
3629 case HWTSTAMP_FILTER_NTP_ALL:
3630 config.rx_filter = HWTSTAMP_FILTER_ALL;
3631 /* ptp_rx is set if both HW TS is set and CQE
3632 * compression is set
3634 ptp_rx = rx_cqe_compress_def;
3641 if (!priv->profile->rx_ptp_support)
3642 err = mlx5e_hwstamp_config_no_ptp_rx(priv,
3643 config.rx_filter != HWTSTAMP_FILTER_NONE);
3645 err = mlx5e_hwstamp_config_ptp_rx(priv, ptp_rx);
3649 memcpy(&priv->tstamp, &config, sizeof(config));
3650 mutex_unlock(&priv->state_lock);
3652 /* might need to fix some features */
3653 netdev_update_features(priv->netdev);
3655 return copy_to_user(ifr->ifr_data, &config,
3656 sizeof(config)) ? -EFAULT : 0;
3658 mutex_unlock(&priv->state_lock);
3662 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr)
3664 struct hwtstamp_config *cfg = &priv->tstamp;
3666 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
3669 return copy_to_user(ifr->ifr_data, cfg, sizeof(*cfg)) ? -EFAULT : 0;
3672 static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3674 struct mlx5e_priv *priv = netdev_priv(dev);
3678 return mlx5e_hwstamp_set(priv, ifr);
3680 return mlx5e_hwstamp_get(priv, ifr);
3686 #ifdef CONFIG_MLX5_ESWITCH
3687 int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac)
3689 struct mlx5e_priv *priv = netdev_priv(dev);
3690 struct mlx5_core_dev *mdev = priv->mdev;
3692 return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac);
3695 static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos,
3698 struct mlx5e_priv *priv = netdev_priv(dev);
3699 struct mlx5_core_dev *mdev = priv->mdev;
3701 if (vlan_proto != htons(ETH_P_8021Q))
3702 return -EPROTONOSUPPORT;
3704 return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1,
3708 static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting)
3710 struct mlx5e_priv *priv = netdev_priv(dev);
3711 struct mlx5_core_dev *mdev = priv->mdev;
3713 return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting);
3716 static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting)
3718 struct mlx5e_priv *priv = netdev_priv(dev);
3719 struct mlx5_core_dev *mdev = priv->mdev;
3721 return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting);
3724 int mlx5e_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate,
3727 struct mlx5e_priv *priv = netdev_priv(dev);
3728 struct mlx5_core_dev *mdev = priv->mdev;
3730 return mlx5_eswitch_set_vport_rate(mdev->priv.eswitch, vf + 1,
3731 max_tx_rate, min_tx_rate);
3734 static int mlx5_vport_link2ifla(u8 esw_link)
3737 case MLX5_VPORT_ADMIN_STATE_DOWN:
3738 return IFLA_VF_LINK_STATE_DISABLE;
3739 case MLX5_VPORT_ADMIN_STATE_UP:
3740 return IFLA_VF_LINK_STATE_ENABLE;
3742 return IFLA_VF_LINK_STATE_AUTO;
3745 static int mlx5_ifla_link2vport(u8 ifla_link)
3747 switch (ifla_link) {
3748 case IFLA_VF_LINK_STATE_DISABLE:
3749 return MLX5_VPORT_ADMIN_STATE_DOWN;
3750 case IFLA_VF_LINK_STATE_ENABLE:
3751 return MLX5_VPORT_ADMIN_STATE_UP;
3753 return MLX5_VPORT_ADMIN_STATE_AUTO;
3756 static int mlx5e_set_vf_link_state(struct net_device *dev, int vf,
3759 struct mlx5e_priv *priv = netdev_priv(dev);
3760 struct mlx5_core_dev *mdev = priv->mdev;
3762 if (mlx5e_is_uplink_rep(priv))
3765 return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1,
3766 mlx5_ifla_link2vport(link_state));
3769 int mlx5e_get_vf_config(struct net_device *dev,
3770 int vf, struct ifla_vf_info *ivi)
3772 struct mlx5e_priv *priv = netdev_priv(dev);
3773 struct mlx5_core_dev *mdev = priv->mdev;
3776 if (!netif_device_present(dev))
3779 err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi);
3782 ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate);
3786 int mlx5e_get_vf_stats(struct net_device *dev,
3787 int vf, struct ifla_vf_stats *vf_stats)
3789 struct mlx5e_priv *priv = netdev_priv(dev);
3790 struct mlx5_core_dev *mdev = priv->mdev;
3792 return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1,
3797 mlx5e_has_offload_stats(const struct net_device *dev, int attr_id)
3799 struct mlx5e_priv *priv = netdev_priv(dev);
3801 if (!netif_device_present(dev))
3804 if (!mlx5e_is_uplink_rep(priv))
3807 return mlx5e_rep_has_offload_stats(dev, attr_id);
3811 mlx5e_get_offload_stats(int attr_id, const struct net_device *dev,
3814 struct mlx5e_priv *priv = netdev_priv(dev);
3816 if (!mlx5e_is_uplink_rep(priv))
3819 return mlx5e_rep_get_offload_stats(attr_id, dev, sp);
3823 static bool mlx5e_tunnel_proto_supported_tx(struct mlx5_core_dev *mdev, u8 proto_type)
3825 switch (proto_type) {
3827 return MLX5_CAP_ETH(mdev, tunnel_stateless_gre);
3830 return (MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip) ||
3831 MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip_tx));
3837 static bool mlx5e_gre_tunnel_inner_proto_offload_supported(struct mlx5_core_dev *mdev,
3838 struct sk_buff *skb)
3840 switch (skb->inner_protocol) {
3841 case htons(ETH_P_IP):
3842 case htons(ETH_P_IPV6):
3843 case htons(ETH_P_TEB):
3845 case htons(ETH_P_MPLS_UC):
3846 case htons(ETH_P_MPLS_MC):
3847 return MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_gre);
3852 static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv,
3853 struct sk_buff *skb,
3854 netdev_features_t features)
3856 unsigned int offset = 0;
3857 struct udphdr *udph;
3861 switch (vlan_get_protocol(skb)) {
3862 case htons(ETH_P_IP):
3863 proto = ip_hdr(skb)->protocol;
3865 case htons(ETH_P_IPV6):
3866 proto = ipv6_find_hdr(skb, &offset, -1, NULL, NULL);
3874 if (mlx5e_gre_tunnel_inner_proto_offload_supported(priv->mdev, skb))
3879 if (mlx5e_tunnel_proto_supported_tx(priv->mdev, IPPROTO_IPIP))
3883 udph = udp_hdr(skb);
3884 port = be16_to_cpu(udph->dest);
3886 /* Verify if UDP port is being offloaded by HW */
3887 if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, port))
3890 #if IS_ENABLED(CONFIG_GENEVE)
3891 /* Support Geneve offload for default UDP port */
3892 if (port == GENEVE_UDP_PORT && mlx5_geneve_tx_allowed(priv->mdev))
3896 #ifdef CONFIG_MLX5_EN_IPSEC
3898 return mlx5e_ipsec_feature_check(skb, features);
3903 /* Disable CSUM and GSO if the udp dport is not offloaded by HW */
3904 return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
3907 netdev_features_t mlx5e_features_check(struct sk_buff *skb,
3908 struct net_device *netdev,
3909 netdev_features_t features)
3911 struct mlx5e_priv *priv = netdev_priv(netdev);
3913 features = vlan_features_check(skb, features);
3914 features = vxlan_features_check(skb, features);
3916 /* Validate if the tunneled packet is being offloaded by HW */
3917 if (skb->encapsulation &&
3918 (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK))
3919 return mlx5e_tunnel_features_check(priv, skb, features);
3924 static void mlx5e_tx_timeout_work(struct work_struct *work)
3926 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
3928 struct net_device *netdev = priv->netdev;
3932 mutex_lock(&priv->state_lock);
3934 if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
3937 for (i = 0; i < netdev->real_num_tx_queues; i++) {
3938 struct netdev_queue *dev_queue =
3939 netdev_get_tx_queue(netdev, i);
3940 struct mlx5e_txqsq *sq = priv->txq2sq[i];
3942 if (!netif_xmit_stopped(dev_queue))
3945 if (mlx5e_reporter_tx_timeout(sq))
3946 /* break if tried to reopened channels */
3951 mutex_unlock(&priv->state_lock);
3955 static void mlx5e_tx_timeout(struct net_device *dev, unsigned int txqueue)
3957 struct mlx5e_priv *priv = netdev_priv(dev);
3959 netdev_err(dev, "TX timeout detected\n");
3960 queue_work(priv->wq, &priv->tx_timeout_work);
3963 static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog)
3965 struct net_device *netdev = priv->netdev;
3966 struct mlx5e_params new_params;
3968 if (priv->channels.params.lro_en) {
3969 netdev_warn(netdev, "can't set XDP while LRO is on, disable LRO first\n");
3973 if (mlx5_fpga_is_ipsec_device(priv->mdev)) {
3975 "XDP is not available on Innova cards with IPsec support\n");
3979 new_params = priv->channels.params;
3980 new_params.xdp_prog = prog;
3982 /* No XSK params: AF_XDP can't be enabled yet at the point of setting
3985 if (!mlx5e_rx_is_linear_skb(&new_params, NULL)) {
3986 netdev_warn(netdev, "XDP is not allowed with MTU(%d) > %d\n",
3988 mlx5e_xdp_max_mtu(&new_params, NULL));
3995 static void mlx5e_rq_replace_xdp_prog(struct mlx5e_rq *rq, struct bpf_prog *prog)
3997 struct bpf_prog *old_prog;
3999 old_prog = rcu_replace_pointer(rq->xdp_prog, prog,
4000 lockdep_is_held(&rq->priv->state_lock));
4002 bpf_prog_put(old_prog);
4005 static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog)
4007 struct mlx5e_priv *priv = netdev_priv(netdev);
4008 struct mlx5e_params new_params;
4009 struct bpf_prog *old_prog;
4014 mutex_lock(&priv->state_lock);
4017 err = mlx5e_xdp_allowed(priv, prog);
4022 /* no need for full reset when exchanging programs */
4023 reset = (!priv->channels.params.xdp_prog || !prog);
4025 new_params = priv->channels.params;
4026 new_params.xdp_prog = prog;
4028 mlx5e_set_rq_type(priv->mdev, &new_params);
4029 old_prog = priv->channels.params.xdp_prog;
4031 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset);
4036 bpf_prog_put(old_prog);
4038 if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || reset)
4041 /* exchanging programs w/o reset, we update ref counts on behalf
4042 * of the channels RQs here.
4044 bpf_prog_add(prog, priv->channels.num);
4045 for (i = 0; i < priv->channels.num; i++) {
4046 struct mlx5e_channel *c = priv->channels.c[i];
4048 mlx5e_rq_replace_xdp_prog(&c->rq, prog);
4049 if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state)) {
4051 mlx5e_rq_replace_xdp_prog(&c->xskrq, prog);
4056 mutex_unlock(&priv->state_lock);
4060 static int mlx5e_xdp(struct net_device *dev, struct netdev_bpf *xdp)
4062 switch (xdp->command) {
4063 case XDP_SETUP_PROG:
4064 return mlx5e_xdp_set(dev, xdp->prog);
4065 case XDP_SETUP_XSK_POOL:
4066 return mlx5e_xsk_setup_pool(dev, xdp->xsk.pool,
4073 #ifdef CONFIG_MLX5_ESWITCH
4074 static int mlx5e_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
4075 struct net_device *dev, u32 filter_mask,
4078 struct mlx5e_priv *priv = netdev_priv(dev);
4079 struct mlx5_core_dev *mdev = priv->mdev;
4083 err = mlx5_eswitch_get_vepa(mdev->priv.eswitch, &setting);
4086 mode = setting ? BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB;
4087 return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
4089 0, 0, nlflags, filter_mask, NULL);
4092 static int mlx5e_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
4093 u16 flags, struct netlink_ext_ack *extack)
4095 struct mlx5e_priv *priv = netdev_priv(dev);
4096 struct mlx5_core_dev *mdev = priv->mdev;
4097 struct nlattr *attr, *br_spec;
4098 u16 mode = BRIDGE_MODE_UNDEF;
4102 br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
4106 nla_for_each_nested(attr, br_spec, rem) {
4107 if (nla_type(attr) != IFLA_BRIDGE_MODE)
4110 if (nla_len(attr) < sizeof(mode))
4113 mode = nla_get_u16(attr);
4114 if (mode > BRIDGE_MODE_VEPA)
4120 if (mode == BRIDGE_MODE_UNDEF)
4123 setting = (mode == BRIDGE_MODE_VEPA) ? 1 : 0;
4124 return mlx5_eswitch_set_vepa(mdev->priv.eswitch, setting);
4128 const struct net_device_ops mlx5e_netdev_ops = {
4129 .ndo_open = mlx5e_open,
4130 .ndo_stop = mlx5e_close,
4131 .ndo_start_xmit = mlx5e_xmit,
4132 .ndo_setup_tc = mlx5e_setup_tc,
4133 .ndo_select_queue = mlx5e_select_queue,
4134 .ndo_get_stats64 = mlx5e_get_stats,
4135 .ndo_set_rx_mode = mlx5e_set_rx_mode,
4136 .ndo_set_mac_address = mlx5e_set_mac,
4137 .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid,
4138 .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid,
4139 .ndo_set_features = mlx5e_set_features,
4140 .ndo_fix_features = mlx5e_fix_features,
4141 .ndo_change_mtu = mlx5e_change_nic_mtu,
4142 .ndo_eth_ioctl = mlx5e_ioctl,
4143 .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate,
4144 .ndo_features_check = mlx5e_features_check,
4145 .ndo_tx_timeout = mlx5e_tx_timeout,
4146 .ndo_bpf = mlx5e_xdp,
4147 .ndo_xdp_xmit = mlx5e_xdp_xmit,
4148 .ndo_xsk_wakeup = mlx5e_xsk_wakeup,
4149 #ifdef CONFIG_MLX5_EN_ARFS
4150 .ndo_rx_flow_steer = mlx5e_rx_flow_steer,
4152 #ifdef CONFIG_MLX5_ESWITCH
4153 .ndo_bridge_setlink = mlx5e_bridge_setlink,
4154 .ndo_bridge_getlink = mlx5e_bridge_getlink,
4156 /* SRIOV E-Switch NDOs */
4157 .ndo_set_vf_mac = mlx5e_set_vf_mac,
4158 .ndo_set_vf_vlan = mlx5e_set_vf_vlan,
4159 .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk,
4160 .ndo_set_vf_trust = mlx5e_set_vf_trust,
4161 .ndo_set_vf_rate = mlx5e_set_vf_rate,
4162 .ndo_get_vf_config = mlx5e_get_vf_config,
4163 .ndo_set_vf_link_state = mlx5e_set_vf_link_state,
4164 .ndo_get_vf_stats = mlx5e_get_vf_stats,
4165 .ndo_has_offload_stats = mlx5e_has_offload_stats,
4166 .ndo_get_offload_stats = mlx5e_get_offload_stats,
4168 .ndo_get_devlink_port = mlx5e_get_devlink_port,
4171 static u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout)
4175 /* The supported periods are organized in ascending order */
4176 for (i = 0; i < MLX5E_LRO_TIMEOUT_ARR_SIZE - 1; i++)
4177 if (MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]) >= wanted_timeout)
4180 return MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]);
4183 void mlx5e_build_nic_params(struct mlx5e_priv *priv, struct mlx5e_xsk *xsk, u16 mtu)
4185 struct mlx5e_params *params = &priv->channels.params;
4186 struct mlx5_core_dev *mdev = priv->mdev;
4187 u8 rx_cq_period_mode;
4189 priv->max_nch = mlx5e_calc_max_nch(priv, priv->profile);
4191 params->sw_mtu = mtu;
4192 params->hard_mtu = MLX5E_ETH_HARD_MTU;
4193 params->num_channels = min_t(unsigned int, MLX5E_MAX_NUM_CHANNELS / 2,
4195 params->mqprio.num_tc = 1;
4197 /* Set an initial non-zero value, so that mlx5e_select_queue won't
4198 * divide by zero if called before first activating channels.
4200 priv->num_tc_x_num_ch = params->num_channels * params->mqprio.num_tc;
4203 params->log_sq_size = is_kdump_kernel() ?
4204 MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE :
4205 MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
4206 MLX5E_SET_PFLAG(params, MLX5E_PFLAG_SKB_TX_MPWQE, mlx5e_tx_mpwqe_supported(mdev));
4209 MLX5E_SET_PFLAG(params, MLX5E_PFLAG_XDP_TX_MPWQE, mlx5e_tx_mpwqe_supported(mdev));
4211 /* set CQE compression */
4212 params->rx_cqe_compress_def = false;
4213 if (MLX5_CAP_GEN(mdev, cqe_compression) &&
4214 MLX5_CAP_GEN(mdev, vport_group_manager))
4215 params->rx_cqe_compress_def = slow_pci_heuristic(mdev);
4217 MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS, params->rx_cqe_compress_def);
4218 MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE, false);
4221 mlx5e_build_rq_params(mdev, params);
4224 if (MLX5_CAP_ETH(mdev, lro_cap) &&
4225 params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
4226 /* No XSK params: checking the availability of striding RQ in general. */
4227 if (!mlx5e_rx_mpwqe_is_linear_skb(mdev, params, NULL))
4228 params->lro_en = !slow_pci_heuristic(mdev);
4230 params->lro_timeout = mlx5e_choose_lro_timeout(mdev, MLX5E_DEFAULT_LRO_TIMEOUT);
4232 /* CQ moderation params */
4233 rx_cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
4234 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
4235 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
4236 params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
4237 params->tx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
4238 mlx5e_set_rx_cq_mode_params(params, rx_cq_period_mode);
4239 mlx5e_set_tx_cq_mode_params(params, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
4242 mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode);
4244 params->tunneled_offload_en = mlx5_tunnel_inner_ft_supported(mdev);
4249 /* Do not update netdev->features directly in here
4250 * on mlx5e_attach_netdev() we will call mlx5e_update_features()
4251 * To update netdev->features please modify mlx5e_fix_features()
4255 static void mlx5e_set_netdev_dev_addr(struct net_device *netdev)
4257 struct mlx5e_priv *priv = netdev_priv(netdev);
4259 mlx5_query_mac_address(priv->mdev, netdev->dev_addr);
4260 if (is_zero_ether_addr(netdev->dev_addr) &&
4261 !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) {
4262 eth_hw_addr_random(netdev);
4263 mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr);
4267 static int mlx5e_vxlan_set_port(struct net_device *netdev, unsigned int table,
4268 unsigned int entry, struct udp_tunnel_info *ti)
4270 struct mlx5e_priv *priv = netdev_priv(netdev);
4272 return mlx5_vxlan_add_port(priv->mdev->vxlan, ntohs(ti->port));
4275 static int mlx5e_vxlan_unset_port(struct net_device *netdev, unsigned int table,
4276 unsigned int entry, struct udp_tunnel_info *ti)
4278 struct mlx5e_priv *priv = netdev_priv(netdev);
4280 return mlx5_vxlan_del_port(priv->mdev->vxlan, ntohs(ti->port));
4283 void mlx5e_vxlan_set_netdev_info(struct mlx5e_priv *priv)
4285 if (!mlx5_vxlan_allowed(priv->mdev->vxlan))
4288 priv->nic_info.set_port = mlx5e_vxlan_set_port;
4289 priv->nic_info.unset_port = mlx5e_vxlan_unset_port;
4290 priv->nic_info.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP |
4291 UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN;
4292 priv->nic_info.tables[0].tunnel_types = UDP_TUNNEL_TYPE_VXLAN;
4293 /* Don't count the space hard-coded to the IANA port */
4294 priv->nic_info.tables[0].n_entries =
4295 mlx5_vxlan_max_udp_ports(priv->mdev) - 1;
4297 priv->netdev->udp_tunnel_nic_info = &priv->nic_info;
4300 static bool mlx5e_tunnel_any_tx_proto_supported(struct mlx5_core_dev *mdev)
4304 for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
4305 if (mlx5e_tunnel_proto_supported_tx(mdev, mlx5_get_proto_by_tunnel_type(tt)))
4308 return (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev));
4311 static void mlx5e_build_nic_netdev(struct net_device *netdev)
4313 struct mlx5e_priv *priv = netdev_priv(netdev);
4314 struct mlx5_core_dev *mdev = priv->mdev;
4318 SET_NETDEV_DEV(netdev, mdev->device);
4320 netdev->netdev_ops = &mlx5e_netdev_ops;
4322 mlx5e_dcbnl_build_netdev(netdev);
4324 netdev->watchdog_timeo = 15 * HZ;
4326 netdev->ethtool_ops = &mlx5e_ethtool_ops;
4328 netdev->vlan_features |= NETIF_F_SG;
4329 netdev->vlan_features |= NETIF_F_HW_CSUM;
4330 netdev->vlan_features |= NETIF_F_GRO;
4331 netdev->vlan_features |= NETIF_F_TSO;
4332 netdev->vlan_features |= NETIF_F_TSO6;
4333 netdev->vlan_features |= NETIF_F_RXCSUM;
4334 netdev->vlan_features |= NETIF_F_RXHASH;
4336 netdev->mpls_features |= NETIF_F_SG;
4337 netdev->mpls_features |= NETIF_F_HW_CSUM;
4338 netdev->mpls_features |= NETIF_F_TSO;
4339 netdev->mpls_features |= NETIF_F_TSO6;
4341 netdev->hw_enc_features |= NETIF_F_HW_VLAN_CTAG_TX;
4342 netdev->hw_enc_features |= NETIF_F_HW_VLAN_CTAG_RX;
4344 /* Tunneled LRO is not supported in the driver, and the same RQs are
4345 * shared between inner and outer TIRs, so the driver can't disable LRO
4346 * for inner TIRs while having it enabled for outer TIRs. Due to this,
4347 * block LRO altogether if the firmware declares tunneled LRO support.
4349 if (!!MLX5_CAP_ETH(mdev, lro_cap) &&
4350 !MLX5_CAP_ETH(mdev, tunnel_lro_vxlan) &&
4351 !MLX5_CAP_ETH(mdev, tunnel_lro_gre) &&
4352 mlx5e_check_fragmented_striding_rq_cap(mdev))
4353 netdev->vlan_features |= NETIF_F_LRO;
4355 netdev->hw_features = netdev->vlan_features;
4356 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
4357 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
4358 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
4359 netdev->hw_features |= NETIF_F_HW_VLAN_STAG_TX;
4361 if (mlx5e_tunnel_any_tx_proto_supported(mdev)) {
4362 netdev->hw_enc_features |= NETIF_F_HW_CSUM;
4363 netdev->hw_enc_features |= NETIF_F_TSO;
4364 netdev->hw_enc_features |= NETIF_F_TSO6;
4365 netdev->hw_enc_features |= NETIF_F_GSO_PARTIAL;
4368 if (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev)) {
4369 netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
4370 netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
4371 netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL;
4374 if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_GRE)) {
4375 netdev->hw_features |= NETIF_F_GSO_GRE;
4376 netdev->hw_enc_features |= NETIF_F_GSO_GRE;
4377 netdev->gso_partial_features |= NETIF_F_GSO_GRE;
4380 if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_IPIP)) {
4381 netdev->hw_features |= NETIF_F_GSO_IPXIP4 |
4383 netdev->hw_enc_features |= NETIF_F_GSO_IPXIP4 |
4385 netdev->gso_partial_features |= NETIF_F_GSO_IPXIP4 |
4389 netdev->hw_features |= NETIF_F_GSO_PARTIAL;
4390 netdev->gso_partial_features |= NETIF_F_GSO_UDP_L4;
4391 netdev->hw_features |= NETIF_F_GSO_UDP_L4;
4392 netdev->features |= NETIF_F_GSO_UDP_L4;
4394 mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled);
4397 netdev->hw_features |= NETIF_F_RXALL;
4399 if (MLX5_CAP_ETH(mdev, scatter_fcs))
4400 netdev->hw_features |= NETIF_F_RXFCS;
4402 if (mlx5_qos_is_supported(mdev))
4403 netdev->hw_features |= NETIF_F_HW_TC;
4405 netdev->features = netdev->hw_features;
4409 netdev->features &= ~NETIF_F_RXALL;
4410 netdev->features &= ~NETIF_F_LRO;
4411 netdev->features &= ~NETIF_F_RXFCS;
4413 #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f)
4414 if (FT_CAP(flow_modify_en) &&
4415 FT_CAP(modify_root) &&
4416 FT_CAP(identified_miss_table_mode) &&
4417 FT_CAP(flow_table_modify)) {
4418 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
4419 netdev->hw_features |= NETIF_F_HW_TC;
4421 #ifdef CONFIG_MLX5_EN_ARFS
4422 netdev->hw_features |= NETIF_F_NTUPLE;
4426 netdev->features |= NETIF_F_HIGHDMA;
4427 netdev->features |= NETIF_F_HW_VLAN_STAG_FILTER;
4429 netdev->priv_flags |= IFF_UNICAST_FLT;
4431 mlx5e_set_netdev_dev_addr(netdev);
4432 mlx5e_ipsec_build_netdev(priv);
4433 mlx5e_tls_build_netdev(priv);
4436 void mlx5e_create_q_counters(struct mlx5e_priv *priv)
4438 u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
4439 u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
4440 struct mlx5_core_dev *mdev = priv->mdev;
4443 MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
4444 err = mlx5_cmd_exec_inout(mdev, alloc_q_counter, in, out);
4447 MLX5_GET(alloc_q_counter_out, out, counter_set_id);
4449 err = mlx5_cmd_exec_inout(mdev, alloc_q_counter, in, out);
4451 priv->drop_rq_q_counter =
4452 MLX5_GET(alloc_q_counter_out, out, counter_set_id);
4455 void mlx5e_destroy_q_counters(struct mlx5e_priv *priv)
4457 u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {};
4459 MLX5_SET(dealloc_q_counter_in, in, opcode,
4460 MLX5_CMD_OP_DEALLOC_Q_COUNTER);
4461 if (priv->q_counter) {
4462 MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
4464 mlx5_cmd_exec_in(priv->mdev, dealloc_q_counter, in);
4467 if (priv->drop_rq_q_counter) {
4468 MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
4469 priv->drop_rq_q_counter);
4470 mlx5_cmd_exec_in(priv->mdev, dealloc_q_counter, in);
4474 static int mlx5e_nic_init(struct mlx5_core_dev *mdev,
4475 struct net_device *netdev)
4477 struct mlx5e_priv *priv = netdev_priv(netdev);
4480 mlx5e_build_nic_params(priv, &priv->xsk, netdev->mtu);
4481 mlx5e_vxlan_set_netdev_info(priv);
4483 mlx5e_timestamp_init(priv);
4485 err = mlx5e_ipsec_init(priv);
4487 mlx5_core_err(mdev, "IPSec initialization failed, %d\n", err);
4489 err = mlx5e_tls_init(priv);
4491 mlx5_core_err(mdev, "TLS initialization failed, %d\n", err);
4493 mlx5e_health_create_reporters(priv);
4497 static void mlx5e_nic_cleanup(struct mlx5e_priv *priv)
4499 mlx5e_health_destroy_reporters(priv);
4500 mlx5e_tls_cleanup(priv);
4501 mlx5e_ipsec_cleanup(priv);
4504 static int mlx5e_init_nic_rx(struct mlx5e_priv *priv)
4506 struct mlx5_core_dev *mdev = priv->mdev;
4507 enum mlx5e_rx_res_features features;
4508 struct mlx5e_lro_param lro_param;
4511 priv->rx_res = mlx5e_rx_res_alloc();
4515 mlx5e_create_q_counters(priv);
4517 err = mlx5e_open_drop_rq(priv, &priv->drop_rq);
4519 mlx5_core_err(mdev, "open drop rq failed, %d\n", err);
4520 goto err_destroy_q_counters;
4523 features = MLX5E_RX_RES_FEATURE_XSK | MLX5E_RX_RES_FEATURE_PTP;
4524 if (priv->channels.params.tunneled_offload_en)
4525 features |= MLX5E_RX_RES_FEATURE_INNER_FT;
4526 lro_param = mlx5e_get_lro_param(&priv->channels.params);
4527 err = mlx5e_rx_res_init(priv->rx_res, priv->mdev, features,
4528 priv->max_nch, priv->drop_rq.rqn, &lro_param,
4529 priv->channels.params.num_channels);
4531 goto err_close_drop_rq;
4533 err = mlx5e_create_flow_steering(priv);
4535 mlx5_core_warn(mdev, "create flow steering failed, %d\n", err);
4536 goto err_destroy_rx_res;
4539 err = mlx5e_tc_nic_init(priv);
4541 goto err_destroy_flow_steering;
4543 err = mlx5e_accel_init_rx(priv);
4545 goto err_tc_nic_cleanup;
4547 #ifdef CONFIG_MLX5_EN_ARFS
4548 priv->netdev->rx_cpu_rmap = mlx5_eq_table_get_rmap(priv->mdev);
4554 mlx5e_tc_nic_cleanup(priv);
4555 err_destroy_flow_steering:
4556 mlx5e_destroy_flow_steering(priv);
4558 mlx5e_rx_res_destroy(priv->rx_res);
4560 mlx5e_close_drop_rq(&priv->drop_rq);
4561 err_destroy_q_counters:
4562 mlx5e_destroy_q_counters(priv);
4563 mlx5e_rx_res_free(priv->rx_res);
4564 priv->rx_res = NULL;
4568 static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv)
4570 mlx5e_accel_cleanup_rx(priv);
4571 mlx5e_tc_nic_cleanup(priv);
4572 mlx5e_destroy_flow_steering(priv);
4573 mlx5e_rx_res_destroy(priv->rx_res);
4574 mlx5e_close_drop_rq(&priv->drop_rq);
4575 mlx5e_destroy_q_counters(priv);
4576 mlx5e_rx_res_free(priv->rx_res);
4577 priv->rx_res = NULL;
4580 static int mlx5e_init_nic_tx(struct mlx5e_priv *priv)
4584 err = mlx5e_create_tises(priv);
4586 mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err);
4590 mlx5e_dcbnl_initialize(priv);
4594 static void mlx5e_nic_enable(struct mlx5e_priv *priv)
4596 struct net_device *netdev = priv->netdev;
4597 struct mlx5_core_dev *mdev = priv->mdev;
4599 mlx5e_init_l2_addr(priv);
4601 /* Marking the link as currently not needed by the Driver */
4602 if (!netif_running(netdev))
4603 mlx5e_modify_admin_state(mdev, MLX5_PORT_DOWN);
4605 mlx5e_set_netdev_mtu_boundaries(priv);
4606 mlx5e_set_dev_port_mtu(priv);
4608 mlx5_lag_add_netdev(mdev, netdev);
4610 mlx5e_enable_async_events(priv);
4611 mlx5e_enable_blocking_events(priv);
4612 if (mlx5e_monitor_counter_supported(priv))
4613 mlx5e_monitor_counter_init(priv);
4615 mlx5e_hv_vhca_stats_create(priv);
4616 if (netdev->reg_state != NETREG_REGISTERED)
4618 mlx5e_dcbnl_init_app(priv);
4620 mlx5e_nic_set_rx_mode(priv);
4623 if (netif_running(netdev))
4625 udp_tunnel_nic_reset_ntf(priv->netdev);
4626 netif_device_attach(netdev);
4630 static void mlx5e_nic_disable(struct mlx5e_priv *priv)
4632 struct mlx5_core_dev *mdev = priv->mdev;
4634 if (priv->netdev->reg_state == NETREG_REGISTERED)
4635 mlx5e_dcbnl_delete_app(priv);
4638 if (netif_running(priv->netdev))
4639 mlx5e_close(priv->netdev);
4640 netif_device_detach(priv->netdev);
4643 mlx5e_nic_set_rx_mode(priv);
4645 mlx5e_hv_vhca_stats_destroy(priv);
4646 if (mlx5e_monitor_counter_supported(priv))
4647 mlx5e_monitor_counter_cleanup(priv);
4649 mlx5e_disable_blocking_events(priv);
4650 if (priv->en_trap) {
4651 mlx5e_deactivate_trap(priv);
4652 mlx5e_close_trap(priv->en_trap);
4653 priv->en_trap = NULL;
4655 mlx5e_disable_async_events(priv);
4656 mlx5_lag_remove_netdev(mdev, priv->netdev);
4657 mlx5_vxlan_reset_to_default(mdev->vxlan);
4660 int mlx5e_update_nic_rx(struct mlx5e_priv *priv)
4662 return mlx5e_refresh_tirs(priv, false, false);
4665 static const struct mlx5e_profile mlx5e_nic_profile = {
4666 .init = mlx5e_nic_init,
4667 .cleanup = mlx5e_nic_cleanup,
4668 .init_rx = mlx5e_init_nic_rx,
4669 .cleanup_rx = mlx5e_cleanup_nic_rx,
4670 .init_tx = mlx5e_init_nic_tx,
4671 .cleanup_tx = mlx5e_cleanup_nic_tx,
4672 .enable = mlx5e_nic_enable,
4673 .disable = mlx5e_nic_disable,
4674 .update_rx = mlx5e_update_nic_rx,
4675 .update_stats = mlx5e_stats_update_ndo_stats,
4676 .update_carrier = mlx5e_update_carrier,
4677 .rx_handlers = &mlx5e_rx_handlers_nic,
4678 .max_tc = MLX5E_MAX_NUM_TC,
4679 .rq_groups = MLX5E_NUM_RQ_GROUPS(XSK),
4680 .stats_grps = mlx5e_nic_stats_grps,
4681 .stats_grps_num = mlx5e_nic_stats_grps_num,
4682 .rx_ptp_support = true,
4685 /* mlx5e generic netdev management API (move to en_common.c) */
4686 int mlx5e_priv_init(struct mlx5e_priv *priv,
4687 struct net_device *netdev,
4688 struct mlx5_core_dev *mdev)
4692 priv->netdev = netdev;
4693 priv->msglevel = MLX5E_MSG_LEVEL;
4694 priv->max_opened_tc = 1;
4696 if (!alloc_cpumask_var(&priv->scratchpad.cpumask, GFP_KERNEL))
4699 mutex_init(&priv->state_lock);
4700 hash_init(priv->htb.qos_tc2node);
4701 INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work);
4702 INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work);
4703 INIT_WORK(&priv->tx_timeout_work, mlx5e_tx_timeout_work);
4704 INIT_WORK(&priv->update_stats_work, mlx5e_update_stats_work);
4706 priv->wq = create_singlethread_workqueue("mlx5e");
4708 goto err_free_cpumask;
4713 free_cpumask_var(priv->scratchpad.cpumask);
4718 void mlx5e_priv_cleanup(struct mlx5e_priv *priv)
4722 /* bail if change profile failed and also rollback failed */
4726 destroy_workqueue(priv->wq);
4727 free_cpumask_var(priv->scratchpad.cpumask);
4729 for (i = 0; i < priv->htb.max_qos_sqs; i++)
4730 kfree(priv->htb.qos_sq_stats[i]);
4731 kvfree(priv->htb.qos_sq_stats);
4733 memset(priv, 0, sizeof(*priv));
4737 mlx5e_create_netdev(struct mlx5_core_dev *mdev, unsigned int txqs, unsigned int rxqs)
4739 struct net_device *netdev;
4742 netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), txqs, rxqs);
4744 mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n");
4748 err = mlx5e_priv_init(netdev_priv(netdev), netdev, mdev);
4750 mlx5_core_err(mdev, "mlx5e_priv_init failed, err=%d\n", err);
4751 goto err_free_netdev;
4754 netif_carrier_off(netdev);
4755 dev_net_set(netdev, mlx5_core_net(mdev));
4760 free_netdev(netdev);
4765 static void mlx5e_update_features(struct net_device *netdev)
4767 if (netdev->reg_state != NETREG_REGISTERED)
4768 return; /* features will be updated on netdev registration */
4771 netdev_update_features(netdev);
4775 static void mlx5e_reset_channels(struct net_device *netdev)
4777 netdev_reset_tc(netdev);
4780 int mlx5e_attach_netdev(struct mlx5e_priv *priv)
4782 const bool take_rtnl = priv->netdev->reg_state == NETREG_REGISTERED;
4783 const struct mlx5e_profile *profile = priv->profile;
4787 clear_bit(MLX5E_STATE_DESTROYING, &priv->state);
4789 /* max number of channels may have changed */
4790 max_nch = mlx5e_get_max_num_channels(priv->mdev);
4791 if (priv->channels.params.num_channels > max_nch) {
4792 mlx5_core_warn(priv->mdev, "MLX5E: Reducing number of channels to %d\n", max_nch);
4793 /* Reducing the number of channels - RXFH has to be reset, and
4794 * mlx5e_num_channels_changed below will build the RQT.
4796 priv->netdev->priv_flags &= ~IFF_RXFH_CONFIGURED;
4797 priv->channels.params.num_channels = max_nch;
4799 /* 1. Set the real number of queues in the kernel the first time.
4800 * 2. Set our default XPS cpumask.
4803 * rtnl_lock is required by netif_set_real_num_*_queues in case the
4804 * netdev has been registered by this point (if this function was called
4805 * in the reload or resume flow).
4809 err = mlx5e_num_channels_changed(priv);
4815 err = profile->init_tx(priv);
4819 err = profile->init_rx(priv);
4821 goto err_cleanup_tx;
4823 if (profile->enable)
4824 profile->enable(priv);
4826 mlx5e_update_features(priv->netdev);
4831 profile->cleanup_tx(priv);
4834 mlx5e_reset_channels(priv->netdev);
4835 set_bit(MLX5E_STATE_DESTROYING, &priv->state);
4836 cancel_work_sync(&priv->update_stats_work);
4840 void mlx5e_detach_netdev(struct mlx5e_priv *priv)
4842 const struct mlx5e_profile *profile = priv->profile;
4844 set_bit(MLX5E_STATE_DESTROYING, &priv->state);
4846 if (profile->disable)
4847 profile->disable(priv);
4848 flush_workqueue(priv->wq);
4850 profile->cleanup_rx(priv);
4851 profile->cleanup_tx(priv);
4852 mlx5e_reset_channels(priv->netdev);
4853 cancel_work_sync(&priv->update_stats_work);
4857 mlx5e_netdev_attach_profile(struct net_device *netdev, struct mlx5_core_dev *mdev,
4858 const struct mlx5e_profile *new_profile, void *new_ppriv)
4860 struct mlx5e_priv *priv = netdev_priv(netdev);
4863 err = mlx5e_priv_init(priv, netdev, mdev);
4865 mlx5_core_err(mdev, "mlx5e_priv_init failed, err=%d\n", err);
4868 netif_carrier_off(netdev);
4869 priv->profile = new_profile;
4870 priv->ppriv = new_ppriv;
4871 err = new_profile->init(priv->mdev, priv->netdev);
4874 err = mlx5e_attach_netdev(priv);
4876 goto profile_cleanup;
4880 new_profile->cleanup(priv);
4882 mlx5e_priv_cleanup(priv);
4886 int mlx5e_netdev_change_profile(struct mlx5e_priv *priv,
4887 const struct mlx5e_profile *new_profile, void *new_ppriv)
4889 unsigned int new_max_nch = mlx5e_calc_max_nch(priv, new_profile);
4890 const struct mlx5e_profile *orig_profile = priv->profile;
4891 struct net_device *netdev = priv->netdev;
4892 struct mlx5_core_dev *mdev = priv->mdev;
4893 void *orig_ppriv = priv->ppriv;
4894 int err, rollback_err;
4897 if (new_max_nch != priv->max_nch) {
4898 netdev_warn(netdev, "%s: Replacing profile with different max channels\n",
4903 /* cleanup old profile */
4904 mlx5e_detach_netdev(priv);
4905 priv->profile->cleanup(priv);
4906 mlx5e_priv_cleanup(priv);
4908 err = mlx5e_netdev_attach_profile(netdev, mdev, new_profile, new_ppriv);
4909 if (err) { /* roll back to original profile */
4910 netdev_warn(netdev, "%s: new profile init failed, %d\n", __func__, err);
4917 rollback_err = mlx5e_netdev_attach_profile(netdev, mdev, orig_profile, orig_ppriv);
4919 netdev_err(netdev, "%s: failed to rollback to orig profile, %d\n",
4920 __func__, rollback_err);
4924 void mlx5e_netdev_attach_nic_profile(struct mlx5e_priv *priv)
4926 mlx5e_netdev_change_profile(priv, &mlx5e_nic_profile, NULL);
4929 void mlx5e_destroy_netdev(struct mlx5e_priv *priv)
4931 struct net_device *netdev = priv->netdev;
4933 mlx5e_priv_cleanup(priv);
4934 free_netdev(netdev);
4937 static int mlx5e_resume(struct auxiliary_device *adev)
4939 struct mlx5_adev *edev = container_of(adev, struct mlx5_adev, adev);
4940 struct mlx5e_priv *priv = dev_get_drvdata(&adev->dev);
4941 struct net_device *netdev = priv->netdev;
4942 struct mlx5_core_dev *mdev = edev->mdev;
4945 if (netif_device_present(netdev))
4948 err = mlx5e_create_mdev_resources(mdev);
4952 err = mlx5e_attach_netdev(priv);
4954 mlx5e_destroy_mdev_resources(mdev);
4961 static int mlx5e_suspend(struct auxiliary_device *adev, pm_message_t state)
4963 struct mlx5e_priv *priv = dev_get_drvdata(&adev->dev);
4964 struct net_device *netdev = priv->netdev;
4965 struct mlx5_core_dev *mdev = priv->mdev;
4967 if (!netif_device_present(netdev))
4970 mlx5e_detach_netdev(priv);
4971 mlx5e_destroy_mdev_resources(mdev);
4975 static int mlx5e_probe(struct auxiliary_device *adev,
4976 const struct auxiliary_device_id *id)
4978 struct mlx5_adev *edev = container_of(adev, struct mlx5_adev, adev);
4979 const struct mlx5e_profile *profile = &mlx5e_nic_profile;
4980 struct mlx5_core_dev *mdev = edev->mdev;
4981 struct net_device *netdev;
4982 pm_message_t state = {};
4983 unsigned int txqs, rxqs, ptp_txqs = 0;
4984 struct mlx5e_priv *priv;
4989 if (MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn))
4990 ptp_txqs = profile->max_tc;
4992 if (mlx5_qos_is_supported(mdev))
4993 qos_sqs = mlx5e_qos_max_leaf_nodes(mdev);
4995 nch = mlx5e_get_max_num_channels(mdev);
4996 txqs = nch * profile->max_tc + ptp_txqs + qos_sqs;
4997 rxqs = nch * profile->rq_groups;
4998 netdev = mlx5e_create_netdev(mdev, txqs, rxqs);
5000 mlx5_core_err(mdev, "mlx5e_create_netdev failed\n");
5004 mlx5e_build_nic_netdev(netdev);
5006 priv = netdev_priv(netdev);
5007 dev_set_drvdata(&adev->dev, priv);
5009 priv->profile = profile;
5012 err = mlx5e_devlink_port_register(priv);
5014 mlx5_core_err(mdev, "mlx5e_devlink_port_register failed, %d\n", err);
5015 goto err_destroy_netdev;
5018 err = profile->init(mdev, netdev);
5020 mlx5_core_err(mdev, "mlx5e_nic_profile init failed, %d\n", err);
5021 goto err_devlink_cleanup;
5024 err = mlx5e_resume(adev);
5026 mlx5_core_err(mdev, "mlx5e_resume failed, %d\n", err);
5027 goto err_profile_cleanup;
5030 err = register_netdev(netdev);
5032 mlx5_core_err(mdev, "register_netdev failed, %d\n", err);
5036 mlx5e_devlink_port_type_eth_set(priv);
5038 mlx5e_dcbnl_init_app(priv);
5039 mlx5_uplink_netdev_set(mdev, netdev);
5043 mlx5e_suspend(adev, state);
5044 err_profile_cleanup:
5045 profile->cleanup(priv);
5046 err_devlink_cleanup:
5047 mlx5e_devlink_port_unregister(priv);
5049 mlx5e_destroy_netdev(priv);
5053 static void mlx5e_remove(struct auxiliary_device *adev)
5055 struct mlx5e_priv *priv = dev_get_drvdata(&adev->dev);
5056 pm_message_t state = {};
5058 mlx5e_dcbnl_delete_app(priv);
5059 unregister_netdev(priv->netdev);
5060 mlx5e_suspend(adev, state);
5061 priv->profile->cleanup(priv);
5062 mlx5e_devlink_port_unregister(priv);
5063 mlx5e_destroy_netdev(priv);
5066 static const struct auxiliary_device_id mlx5e_id_table[] = {
5067 { .name = MLX5_ADEV_NAME ".eth", },
5071 MODULE_DEVICE_TABLE(auxiliary, mlx5e_id_table);
5073 static struct auxiliary_driver mlx5e_driver = {
5075 .probe = mlx5e_probe,
5076 .remove = mlx5e_remove,
5077 .suspend = mlx5e_suspend,
5078 .resume = mlx5e_resume,
5079 .id_table = mlx5e_id_table,
5082 int mlx5e_init(void)
5086 mlx5e_ipsec_build_inverse_table();
5087 mlx5e_build_ptys2ethtool_map();
5088 ret = auxiliary_driver_register(&mlx5e_driver);
5092 ret = mlx5e_rep_init();
5094 auxiliary_driver_unregister(&mlx5e_driver);
5098 void mlx5e_cleanup(void)
5100 mlx5e_rep_cleanup();
5101 auxiliary_driver_unregister(&mlx5e_driver);