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f62b8bb8 | 1 | /* |
b3f63c3d | 2 | * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. |
f62b8bb8 AV |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
e8f887ac AV |
33 | #include <net/tc_act/tc_gact.h> |
34 | #include <net/pkt_cls.h> | |
86d722ad | 35 | #include <linux/mlx5/fs.h> |
b3f63c3d | 36 | #include <net/vxlan.h> |
86994156 | 37 | #include <linux/bpf.h> |
60bbf7ee | 38 | #include <net/page_pool.h> |
1d447a39 | 39 | #include "eswitch.h" |
f62b8bb8 | 40 | #include "en.h" |
e8f887ac | 41 | #include "en_tc.h" |
1d447a39 | 42 | #include "en_rep.h" |
547eede0 | 43 | #include "en_accel/ipsec.h" |
899a59d3 | 44 | #include "en_accel/ipsec_rxtx.h" |
c83294b9 | 45 | #include "en_accel/tls.h" |
899a59d3 | 46 | #include "accel/ipsec.h" |
c83294b9 | 47 | #include "accel/tls.h" |
358aa5ce | 48 | #include "lib/vxlan.h" |
6dbc80ca | 49 | #include "lib/clock.h" |
2c81bfd5 | 50 | #include "en/port.h" |
159d2131 | 51 | #include "en/xdp.h" |
f62b8bb8 AV |
52 | |
53 | struct mlx5e_rq_param { | |
cb3c7fd4 GR |
54 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; |
55 | struct mlx5_wq_param wq; | |
069d1146 | 56 | struct mlx5e_rq_frags_info frags_info; |
f62b8bb8 AV |
57 | }; |
58 | ||
59 | struct mlx5e_sq_param { | |
60 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; | |
61 | struct mlx5_wq_param wq; | |
62 | }; | |
63 | ||
64 | struct mlx5e_cq_param { | |
65 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; | |
66 | struct mlx5_wq_param wq; | |
67 | u16 eq_ix; | |
9908aa29 | 68 | u8 cq_period_mode; |
f62b8bb8 AV |
69 | }; |
70 | ||
71 | struct mlx5e_channel_param { | |
72 | struct mlx5e_rq_param rq; | |
73 | struct mlx5e_sq_param sq; | |
b5503b99 | 74 | struct mlx5e_sq_param xdp_sq; |
d3c9bc27 | 75 | struct mlx5e_sq_param icosq; |
f62b8bb8 AV |
76 | struct mlx5e_cq_param rx_cq; |
77 | struct mlx5e_cq_param tx_cq; | |
d3c9bc27 | 78 | struct mlx5e_cq_param icosq_cq; |
f62b8bb8 AV |
79 | }; |
80 | ||
2ccb0a79 | 81 | bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) |
2fc4bfb7 | 82 | { |
ea3886ca | 83 | bool striding_rq_umr = MLX5_CAP_GEN(mdev, striding_rq) && |
2fc4bfb7 SM |
84 | MLX5_CAP_GEN(mdev, umr_ptr_rlky) && |
85 | MLX5_CAP_ETH(mdev, reg_umr_sq); | |
ea3886ca TT |
86 | u16 max_wqe_sz_cap = MLX5_CAP_GEN(mdev, max_wqe_sz_sq); |
87 | bool inline_umr = MLX5E_UMR_WQE_INLINE_SZ <= max_wqe_sz_cap; | |
88 | ||
89 | if (!striding_rq_umr) | |
90 | return false; | |
91 | if (!inline_umr) { | |
92 | mlx5_core_warn(mdev, "Cannot support Striding RQ: UMR WQE size (%d) exceeds maximum supported (%d).\n", | |
93 | (int)MLX5E_UMR_WQE_INLINE_SZ, max_wqe_sz_cap); | |
94 | return false; | |
95 | } | |
96 | return true; | |
2fc4bfb7 SM |
97 | } |
98 | ||
069d1146 | 99 | static u32 mlx5e_rx_get_linear_frag_sz(struct mlx5e_params *params) |
73281b78 | 100 | { |
a26a5bdf TT |
101 | u16 hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); |
102 | u16 linear_rq_headroom = params->xdp_prog ? | |
103 | XDP_PACKET_HEADROOM : MLX5_RX_HEADROOM; | |
104 | u32 frag_sz; | |
73281b78 | 105 | |
a26a5bdf | 106 | linear_rq_headroom += NET_IP_ALIGN; |
619a8f2a | 107 | |
a26a5bdf TT |
108 | frag_sz = MLX5_SKB_FRAG_SZ(linear_rq_headroom + hw_mtu); |
109 | ||
110 | if (params->xdp_prog && frag_sz < PAGE_SIZE) | |
111 | frag_sz = PAGE_SIZE; | |
112 | ||
113 | return frag_sz; | |
73281b78 TT |
114 | } |
115 | ||
116 | static u8 mlx5e_mpwqe_log_pkts_per_wqe(struct mlx5e_params *params) | |
117 | { | |
069d1146 | 118 | u32 linear_frag_sz = mlx5e_rx_get_linear_frag_sz(params); |
73281b78 TT |
119 | |
120 | return MLX5_MPWRQ_LOG_WQE_SZ - order_base_2(linear_frag_sz); | |
121 | } | |
122 | ||
069d1146 TT |
123 | static bool mlx5e_rx_is_linear_skb(struct mlx5_core_dev *mdev, |
124 | struct mlx5e_params *params) | |
125 | { | |
126 | u32 frag_sz = mlx5e_rx_get_linear_frag_sz(params); | |
127 | ||
128 | return !params->lro_en && frag_sz <= PAGE_SIZE; | |
129 | } | |
130 | ||
619a8f2a TT |
131 | static bool mlx5e_rx_mpwqe_is_linear_skb(struct mlx5_core_dev *mdev, |
132 | struct mlx5e_params *params) | |
133 | { | |
069d1146 | 134 | u32 frag_sz = mlx5e_rx_get_linear_frag_sz(params); |
619a8f2a TT |
135 | s8 signed_log_num_strides_param; |
136 | u8 log_num_strides; | |
137 | ||
069d1146 | 138 | if (!mlx5e_rx_is_linear_skb(mdev, params)) |
619a8f2a TT |
139 | return false; |
140 | ||
141 | if (MLX5_CAP_GEN(mdev, ext_stride_num_range)) | |
142 | return true; | |
143 | ||
144 | log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ - order_base_2(frag_sz); | |
145 | signed_log_num_strides_param = | |
146 | (s8)log_num_strides - MLX5_MPWQE_LOG_NUM_STRIDES_BASE; | |
147 | ||
148 | return signed_log_num_strides_param >= 0; | |
149 | } | |
150 | ||
73281b78 TT |
151 | static u8 mlx5e_mpwqe_get_log_rq_size(struct mlx5e_params *params) |
152 | { | |
153 | if (params->log_rq_mtu_frames < | |
154 | mlx5e_mpwqe_log_pkts_per_wqe(params) + MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW) | |
155 | return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW; | |
156 | ||
157 | return params->log_rq_mtu_frames - mlx5e_mpwqe_log_pkts_per_wqe(params); | |
158 | } | |
159 | ||
160 | static u8 mlx5e_mpwqe_get_log_stride_size(struct mlx5_core_dev *mdev, | |
161 | struct mlx5e_params *params) | |
f1e4fc9b | 162 | { |
619a8f2a | 163 | if (mlx5e_rx_mpwqe_is_linear_skb(mdev, params)) |
069d1146 | 164 | return order_base_2(mlx5e_rx_get_linear_frag_sz(params)); |
619a8f2a | 165 | |
f1e4fc9b TT |
166 | return MLX5E_MPWQE_STRIDE_SZ(mdev, |
167 | MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)); | |
168 | } | |
169 | ||
73281b78 TT |
170 | static u8 mlx5e_mpwqe_get_log_num_strides(struct mlx5_core_dev *mdev, |
171 | struct mlx5e_params *params) | |
f1e4fc9b TT |
172 | { |
173 | return MLX5_MPWRQ_LOG_WQE_SZ - | |
174 | mlx5e_mpwqe_get_log_stride_size(mdev, params); | |
175 | } | |
176 | ||
619a8f2a TT |
177 | static u16 mlx5e_get_rq_headroom(struct mlx5_core_dev *mdev, |
178 | struct mlx5e_params *params) | |
b0cedc84 TT |
179 | { |
180 | u16 linear_rq_headroom = params->xdp_prog ? | |
181 | XDP_PACKET_HEADROOM : MLX5_RX_HEADROOM; | |
069d1146 | 182 | bool is_linear_skb; |
b0cedc84 TT |
183 | |
184 | linear_rq_headroom += NET_IP_ALIGN; | |
185 | ||
069d1146 TT |
186 | is_linear_skb = (params->rq_wq_type == MLX5_WQ_TYPE_CYCLIC) ? |
187 | mlx5e_rx_is_linear_skb(mdev, params) : | |
188 | mlx5e_rx_mpwqe_is_linear_skb(mdev, params); | |
b0cedc84 | 189 | |
069d1146 | 190 | return is_linear_skb ? linear_rq_headroom : 0; |
b0cedc84 TT |
191 | } |
192 | ||
696a97cf | 193 | void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev, |
2a0f561b | 194 | struct mlx5e_params *params) |
2fc4bfb7 | 195 | { |
6a9764ef | 196 | params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; |
73281b78 TT |
197 | params->log_rq_mtu_frames = is_kdump_kernel() ? |
198 | MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE : | |
199 | MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; | |
2fc4bfb7 | 200 | |
6a9764ef SM |
201 | mlx5_core_info(mdev, "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d)\n", |
202 | params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ, | |
619a8f2a TT |
203 | params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ ? |
204 | BIT(mlx5e_mpwqe_get_log_rq_size(params)) : | |
73281b78 | 205 | BIT(params->log_rq_mtu_frames), |
f1e4fc9b | 206 | BIT(mlx5e_mpwqe_get_log_stride_size(mdev, params)), |
6a9764ef | 207 | MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)); |
2fc4bfb7 SM |
208 | } |
209 | ||
2ccb0a79 TT |
210 | bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev, |
211 | struct mlx5e_params *params) | |
212 | { | |
213 | return mlx5e_check_fragmented_striding_rq_cap(mdev) && | |
22f45398 TT |
214 | !MLX5_IPSEC_DEV(mdev) && |
215 | !(params->xdp_prog && !mlx5e_rx_mpwqe_is_linear_skb(mdev, params)); | |
2ccb0a79 | 216 | } |
291f445e | 217 | |
2ccb0a79 | 218 | void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params) |
2fc4bfb7 | 219 | { |
2ccb0a79 TT |
220 | params->rq_wq_type = mlx5e_striding_rq_possible(mdev, params) && |
221 | MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ) ? | |
291f445e | 222 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : |
99cbfa93 | 223 | MLX5_WQ_TYPE_CYCLIC; |
2fc4bfb7 SM |
224 | } |
225 | ||
f62b8bb8 AV |
226 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) |
227 | { | |
228 | struct mlx5_core_dev *mdev = priv->mdev; | |
229 | u8 port_state; | |
230 | ||
231 | port_state = mlx5_query_vport_state(mdev, | |
cc9c82a8 | 232 | MLX5_VPORT_STATE_OP_MOD_VNIC_VPORT, |
e53eef63 | 233 | 0); |
f62b8bb8 | 234 | |
87424ad5 SD |
235 | if (port_state == VPORT_STATE_UP) { |
236 | netdev_info(priv->netdev, "Link up\n"); | |
f62b8bb8 | 237 | netif_carrier_on(priv->netdev); |
87424ad5 SD |
238 | } else { |
239 | netdev_info(priv->netdev, "Link down\n"); | |
f62b8bb8 | 240 | netif_carrier_off(priv->netdev); |
87424ad5 | 241 | } |
f62b8bb8 AV |
242 | } |
243 | ||
244 | static void mlx5e_update_carrier_work(struct work_struct *work) | |
245 | { | |
246 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, | |
247 | update_carrier_work); | |
248 | ||
249 | mutex_lock(&priv->state_lock); | |
250 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
7ca42c80 ES |
251 | if (priv->profile->update_carrier) |
252 | priv->profile->update_carrier(priv); | |
f62b8bb8 AV |
253 | mutex_unlock(&priv->state_lock); |
254 | } | |
255 | ||
19386177 | 256 | void mlx5e_update_stats(struct mlx5e_priv *priv) |
f62b8bb8 | 257 | { |
19386177 | 258 | int i; |
f62b8bb8 | 259 | |
19386177 KH |
260 | for (i = mlx5e_num_stats_grps - 1; i >= 0; i--) |
261 | if (mlx5e_stats_grps[i].update_stats) | |
262 | mlx5e_stats_grps[i].update_stats(priv); | |
f62b8bb8 AV |
263 | } |
264 | ||
3834a5e6 GP |
265 | static void mlx5e_update_ndo_stats(struct mlx5e_priv *priv) |
266 | { | |
19386177 KH |
267 | int i; |
268 | ||
269 | for (i = mlx5e_num_stats_grps - 1; i >= 0; i--) | |
270 | if (mlx5e_stats_grps[i].update_stats_mask & | |
271 | MLX5E_NDO_UPDATE_STATS) | |
272 | mlx5e_stats_grps[i].update_stats(priv); | |
3834a5e6 GP |
273 | } |
274 | ||
303211b4 | 275 | static void mlx5e_update_stats_work(struct work_struct *work) |
f62b8bb8 | 276 | { |
cdeef2b1 | 277 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, |
f62b8bb8 | 278 | update_stats_work); |
ed56c519 | 279 | |
f62b8bb8 | 280 | mutex_lock(&priv->state_lock); |
ed56c519 | 281 | priv->profile->update_stats(priv); |
f62b8bb8 AV |
282 | mutex_unlock(&priv->state_lock); |
283 | } | |
284 | ||
cdeef2b1 SM |
285 | void mlx5e_queue_update_stats(struct mlx5e_priv *priv) |
286 | { | |
287 | if (!priv->profile->update_stats) | |
288 | return; | |
289 | ||
290 | if (unlikely(test_bit(MLX5E_STATE_DESTROYING, &priv->state))) | |
291 | return; | |
292 | ||
293 | queue_work(priv->wq, &priv->update_stats_work); | |
294 | } | |
295 | ||
daa21560 TT |
296 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, |
297 | enum mlx5_dev_event event, unsigned long param) | |
f62b8bb8 | 298 | { |
daa21560 TT |
299 | struct mlx5e_priv *priv = vpriv; |
300 | ||
e0f46eb9 | 301 | if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state)) |
daa21560 TT |
302 | return; |
303 | ||
f62b8bb8 AV |
304 | switch (event) { |
305 | case MLX5_DEV_EVENT_PORT_UP: | |
306 | case MLX5_DEV_EVENT_PORT_DOWN: | |
7bb29755 | 307 | queue_work(priv->wq, &priv->update_carrier_work); |
f62b8bb8 | 308 | break; |
f62b8bb8 AV |
309 | default: |
310 | break; | |
311 | } | |
312 | } | |
313 | ||
f62b8bb8 AV |
314 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) |
315 | { | |
e0f46eb9 | 316 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
f62b8bb8 AV |
317 | } |
318 | ||
319 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) | |
320 | { | |
e0f46eb9 | 321 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
78249c42 | 322 | synchronize_irq(pci_irq_vector(priv->mdev->pdev, MLX5_EQ_VEC_ASYNC)); |
f62b8bb8 AV |
323 | } |
324 | ||
31391048 SM |
325 | static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq, |
326 | struct mlx5e_icosq *sq, | |
b8a98a4c | 327 | struct mlx5e_umr_wqe *wqe) |
7e426671 TT |
328 | { |
329 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
330 | struct mlx5_wqe_umr_ctrl_seg *ucseg = &wqe->uctrl; | |
ea3886ca | 331 | u8 ds_cnt = DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_DS); |
7e426671 TT |
332 | |
333 | cseg->qpn_ds = cpu_to_be32((sq->sqn << MLX5_WQE_CTRL_QPN_SHIFT) | | |
334 | ds_cnt); | |
335 | cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE; | |
336 | cseg->imm = rq->mkey_be; | |
337 | ||
ea3886ca | 338 | ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN | MLX5_UMR_INLINE; |
31616255 | 339 | ucseg->xlt_octowords = |
7e426671 | 340 | cpu_to_be16(MLX5_MTT_OCTW(MLX5_MPWRQ_PAGES_PER_WQE)); |
7e426671 | 341 | ucseg->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); |
7e426671 TT |
342 | } |
343 | ||
422d4c40 TT |
344 | static u32 mlx5e_rqwq_get_size(struct mlx5e_rq *rq) |
345 | { | |
346 | switch (rq->wq_type) { | |
347 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
348 | return mlx5_wq_ll_get_size(&rq->mpwqe.wq); | |
349 | default: | |
99cbfa93 | 350 | return mlx5_wq_cyc_get_size(&rq->wqe.wq); |
422d4c40 TT |
351 | } |
352 | } | |
353 | ||
354 | static u32 mlx5e_rqwq_get_cur_sz(struct mlx5e_rq *rq) | |
355 | { | |
356 | switch (rq->wq_type) { | |
357 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
358 | return rq->mpwqe.wq.cur_sz; | |
359 | default: | |
360 | return rq->wqe.wq.cur_sz; | |
361 | } | |
362 | } | |
363 | ||
7e426671 TT |
364 | static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq, |
365 | struct mlx5e_channel *c) | |
366 | { | |
422d4c40 | 367 | int wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq); |
7e426671 | 368 | |
eec4edc9 KC |
369 | rq->mpwqe.info = kvzalloc_node(array_size(wq_sz, |
370 | sizeof(*rq->mpwqe.info)), | |
ca11b798 | 371 | GFP_KERNEL, cpu_to_node(c->cpu)); |
21c59685 | 372 | if (!rq->mpwqe.info) |
ea3886ca | 373 | return -ENOMEM; |
7e426671 | 374 | |
b8a98a4c | 375 | mlx5e_build_umr_wqe(rq, &c->icosq, &rq->mpwqe.umr_wqe); |
7e426671 TT |
376 | |
377 | return 0; | |
7e426671 TT |
378 | } |
379 | ||
a43b25da | 380 | static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, |
ec8b9981 TT |
381 | u64 npages, u8 page_shift, |
382 | struct mlx5_core_mkey *umr_mkey) | |
3608ae77 | 383 | { |
3608ae77 TT |
384 | int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); |
385 | void *mkc; | |
386 | u32 *in; | |
387 | int err; | |
388 | ||
1b9a07ee | 389 | in = kvzalloc(inlen, GFP_KERNEL); |
3608ae77 TT |
390 | if (!in) |
391 | return -ENOMEM; | |
392 | ||
393 | mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); | |
394 | ||
3608ae77 TT |
395 | MLX5_SET(mkc, mkc, free, 1); |
396 | MLX5_SET(mkc, mkc, umr_en, 1); | |
397 | MLX5_SET(mkc, mkc, lw, 1); | |
398 | MLX5_SET(mkc, mkc, lr, 1); | |
cdbd0d2b | 399 | MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT); |
3608ae77 TT |
400 | |
401 | MLX5_SET(mkc, mkc, qpn, 0xffffff); | |
402 | MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.pdn); | |
ec8b9981 | 403 | MLX5_SET64(mkc, mkc, len, npages << page_shift); |
3608ae77 TT |
404 | MLX5_SET(mkc, mkc, translations_octword_size, |
405 | MLX5_MTT_OCTW(npages)); | |
ec8b9981 | 406 | MLX5_SET(mkc, mkc, log_page_size, page_shift); |
3608ae77 | 407 | |
ec8b9981 | 408 | err = mlx5_core_create_mkey(mdev, umr_mkey, in, inlen); |
3608ae77 TT |
409 | |
410 | kvfree(in); | |
411 | return err; | |
412 | } | |
413 | ||
a43b25da | 414 | static int mlx5e_create_rq_umr_mkey(struct mlx5_core_dev *mdev, struct mlx5e_rq *rq) |
ec8b9981 | 415 | { |
422d4c40 | 416 | u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->mpwqe.wq)); |
ec8b9981 | 417 | |
a43b25da | 418 | return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey); |
ec8b9981 TT |
419 | } |
420 | ||
b8a98a4c TT |
421 | static inline u64 mlx5e_get_mpwqe_offset(struct mlx5e_rq *rq, u16 wqe_ix) |
422 | { | |
423 | return (wqe_ix << MLX5E_LOG_ALIGNED_MPWQE_PPW) << PAGE_SHIFT; | |
424 | } | |
425 | ||
069d1146 TT |
426 | static void mlx5e_init_frags_partition(struct mlx5e_rq *rq) |
427 | { | |
428 | struct mlx5e_wqe_frag_info next_frag, *prev; | |
429 | int i; | |
430 | ||
431 | next_frag.di = &rq->wqe.di[0]; | |
432 | next_frag.offset = 0; | |
433 | prev = NULL; | |
434 | ||
435 | for (i = 0; i < mlx5_wq_cyc_get_size(&rq->wqe.wq); i++) { | |
436 | struct mlx5e_rq_frag_info *frag_info = &rq->wqe.info.arr[0]; | |
437 | struct mlx5e_wqe_frag_info *frag = | |
438 | &rq->wqe.frags[i << rq->wqe.info.log_num_frags]; | |
439 | int f; | |
440 | ||
441 | for (f = 0; f < rq->wqe.info.num_frags; f++, frag++) { | |
442 | if (next_frag.offset + frag_info[f].frag_stride > PAGE_SIZE) { | |
443 | next_frag.di++; | |
444 | next_frag.offset = 0; | |
445 | if (prev) | |
446 | prev->last_in_page = true; | |
447 | } | |
448 | *frag = next_frag; | |
449 | ||
450 | /* prepare next */ | |
451 | next_frag.offset += frag_info[f].frag_stride; | |
452 | prev = frag; | |
453 | } | |
454 | } | |
455 | ||
456 | if (prev) | |
457 | prev->last_in_page = true; | |
458 | } | |
459 | ||
460 | static int mlx5e_init_di_list(struct mlx5e_rq *rq, | |
461 | struct mlx5e_params *params, | |
462 | int wq_sz, int cpu) | |
463 | { | |
464 | int len = wq_sz << rq->wqe.info.log_num_frags; | |
465 | ||
84ca176b | 466 | rq->wqe.di = kvzalloc_node(array_size(len, sizeof(*rq->wqe.di)), |
069d1146 TT |
467 | GFP_KERNEL, cpu_to_node(cpu)); |
468 | if (!rq->wqe.di) | |
469 | return -ENOMEM; | |
470 | ||
471 | mlx5e_init_frags_partition(rq); | |
472 | ||
473 | return 0; | |
474 | } | |
475 | ||
476 | static void mlx5e_free_di_list(struct mlx5e_rq *rq) | |
477 | { | |
478 | kvfree(rq->wqe.di); | |
479 | } | |
480 | ||
3b77235b | 481 | static int mlx5e_alloc_rq(struct mlx5e_channel *c, |
6a9764ef SM |
482 | struct mlx5e_params *params, |
483 | struct mlx5e_rq_param *rqp, | |
3b77235b | 484 | struct mlx5e_rq *rq) |
f62b8bb8 | 485 | { |
60bbf7ee | 486 | struct page_pool_params pp_params = { 0 }; |
a43b25da | 487 | struct mlx5_core_dev *mdev = c->mdev; |
6a9764ef | 488 | void *rqc = rqp->rqc; |
f62b8bb8 | 489 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
069d1146 | 490 | u32 pool_size; |
f62b8bb8 AV |
491 | int wq_sz; |
492 | int err; | |
493 | int i; | |
494 | ||
231243c8 | 495 | rqp->wq.db_numa_node = cpu_to_node(c->cpu); |
311c7c71 | 496 | |
6a9764ef | 497 | rq->wq_type = params->rq_wq_type; |
7e426671 TT |
498 | rq->pdev = c->pdev; |
499 | rq->netdev = c->netdev; | |
a43b25da | 500 | rq->tstamp = c->tstamp; |
7c39afb3 | 501 | rq->clock = &mdev->clock; |
7e426671 TT |
502 | rq->channel = c; |
503 | rq->ix = c->ix; | |
a43b25da | 504 | rq->mdev = mdev; |
05909bab | 505 | rq->stats = &c->priv->channel_stats[c->ix].rq; |
97bc402d | 506 | |
6a9764ef | 507 | rq->xdp_prog = params->xdp_prog ? bpf_prog_inc(params->xdp_prog) : NULL; |
97bc402d DB |
508 | if (IS_ERR(rq->xdp_prog)) { |
509 | err = PTR_ERR(rq->xdp_prog); | |
510 | rq->xdp_prog = NULL; | |
511 | goto err_rq_wq_destroy; | |
512 | } | |
7e426671 | 513 | |
e213f5b6 WY |
514 | err = xdp_rxq_info_reg(&rq->xdp_rxq, rq->netdev, rq->ix); |
515 | if (err < 0) | |
0ddf5432 JDB |
516 | goto err_rq_wq_destroy; |
517 | ||
bce2b2bf | 518 | rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; |
619a8f2a | 519 | rq->buff.headroom = mlx5e_get_rq_headroom(mdev, params); |
60bbf7ee | 520 | pool_size = 1 << params->log_rq_mtu_frames; |
b5503b99 | 521 | |
6a9764ef | 522 | switch (rq->wq_type) { |
461017cb | 523 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
422d4c40 TT |
524 | err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->mpwqe.wq, |
525 | &rq->wq_ctrl); | |
526 | if (err) | |
527 | return err; | |
528 | ||
529 | rq->mpwqe.wq.db = &rq->mpwqe.wq.db[MLX5_RCV_DBR]; | |
530 | ||
531 | wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq); | |
60bbf7ee JDB |
532 | |
533 | pool_size = MLX5_MPWRQ_PAGES_PER_WQE << mlx5e_mpwqe_get_log_rq_size(params); | |
422d4c40 | 534 | |
7cc6d77b | 535 | rq->post_wqes = mlx5e_post_rx_mpwqes; |
6cd392a0 | 536 | rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; |
461017cb | 537 | |
20fd0c19 | 538 | rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe_mpwqe; |
899a59d3 IT |
539 | #ifdef CONFIG_MLX5_EN_IPSEC |
540 | if (MLX5_IPSEC_DEV(mdev)) { | |
541 | err = -EINVAL; | |
542 | netdev_err(c->netdev, "MPWQE RQ with IPSec offload not supported\n"); | |
543 | goto err_rq_wq_destroy; | |
544 | } | |
545 | #endif | |
20fd0c19 SM |
546 | if (!rq->handle_rx_cqe) { |
547 | err = -EINVAL; | |
548 | netdev_err(c->netdev, "RX handler of MPWQE RQ is not set, err %d\n", err); | |
549 | goto err_rq_wq_destroy; | |
550 | } | |
551 | ||
619a8f2a TT |
552 | rq->mpwqe.skb_from_cqe_mpwrq = |
553 | mlx5e_rx_mpwqe_is_linear_skb(mdev, params) ? | |
554 | mlx5e_skb_from_cqe_mpwrq_linear : | |
555 | mlx5e_skb_from_cqe_mpwrq_nonlinear; | |
f1e4fc9b TT |
556 | rq->mpwqe.log_stride_sz = mlx5e_mpwqe_get_log_stride_size(mdev, params); |
557 | rq->mpwqe.num_strides = BIT(mlx5e_mpwqe_get_log_num_strides(mdev, params)); | |
1bfecfca | 558 | |
a43b25da | 559 | err = mlx5e_create_rq_umr_mkey(mdev, rq); |
7e426671 TT |
560 | if (err) |
561 | goto err_rq_wq_destroy; | |
ec8b9981 TT |
562 | rq->mkey_be = cpu_to_be32(rq->umr_mkey.key); |
563 | ||
564 | err = mlx5e_rq_alloc_mpwqe_info(rq, c); | |
565 | if (err) | |
069d1146 | 566 | goto err_free; |
461017cb | 567 | break; |
99cbfa93 TT |
568 | default: /* MLX5_WQ_TYPE_CYCLIC */ |
569 | err = mlx5_wq_cyc_create(mdev, &rqp->wq, rqc_wq, &rq->wqe.wq, | |
570 | &rq->wq_ctrl); | |
422d4c40 TT |
571 | if (err) |
572 | return err; | |
573 | ||
574 | rq->wqe.wq.db = &rq->wqe.wq.db[MLX5_RCV_DBR]; | |
575 | ||
99cbfa93 | 576 | wq_sz = mlx5_wq_cyc_get_size(&rq->wqe.wq); |
422d4c40 | 577 | |
069d1146 TT |
578 | rq->wqe.info = rqp->frags_info; |
579 | rq->wqe.frags = | |
84ca176b KC |
580 | kvzalloc_node(array_size(sizeof(*rq->wqe.frags), |
581 | (wq_sz << rq->wqe.info.log_num_frags)), | |
069d1146 | 582 | GFP_KERNEL, cpu_to_node(c->cpu)); |
47a6ca3f WY |
583 | if (!rq->wqe.frags) { |
584 | err = -ENOMEM; | |
069d1146 | 585 | goto err_free; |
47a6ca3f | 586 | } |
069d1146 TT |
587 | |
588 | err = mlx5e_init_di_list(rq, params, wq_sz, c->cpu); | |
589 | if (err) | |
590 | goto err_free; | |
7cc6d77b | 591 | rq->post_wqes = mlx5e_post_rx_wqes; |
6cd392a0 | 592 | rq->dealloc_wqe = mlx5e_dealloc_rx_wqe; |
461017cb | 593 | |
899a59d3 IT |
594 | #ifdef CONFIG_MLX5_EN_IPSEC |
595 | if (c->priv->ipsec) | |
596 | rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe; | |
597 | else | |
598 | #endif | |
599 | rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe; | |
20fd0c19 | 600 | if (!rq->handle_rx_cqe) { |
20fd0c19 SM |
601 | err = -EINVAL; |
602 | netdev_err(c->netdev, "RX handler of RQ is not set, err %d\n", err); | |
069d1146 | 603 | goto err_free; |
20fd0c19 SM |
604 | } |
605 | ||
069d1146 TT |
606 | rq->wqe.skb_from_cqe = mlx5e_rx_is_linear_skb(mdev, params) ? |
607 | mlx5e_skb_from_cqe_linear : | |
608 | mlx5e_skb_from_cqe_nonlinear; | |
7e426671 | 609 | rq->mkey_be = c->mkey_be; |
461017cb | 610 | } |
f62b8bb8 | 611 | |
60bbf7ee | 612 | /* Create a page_pool and register it with rxq */ |
069d1146 | 613 | pp_params.order = 0; |
60bbf7ee JDB |
614 | pp_params.flags = 0; /* No-internal DMA mapping in page_pool */ |
615 | pp_params.pool_size = pool_size; | |
616 | pp_params.nid = cpu_to_node(c->cpu); | |
617 | pp_params.dev = c->pdev; | |
618 | pp_params.dma_dir = rq->buff.map_dir; | |
619 | ||
620 | /* page_pool can be used even when there is no rq->xdp_prog, | |
621 | * given page_pool does not handle DMA mapping there is no | |
622 | * required state to clear. And page_pool gracefully handle | |
623 | * elevated refcnt. | |
624 | */ | |
625 | rq->page_pool = page_pool_create(&pp_params); | |
626 | if (IS_ERR(rq->page_pool)) { | |
60bbf7ee JDB |
627 | err = PTR_ERR(rq->page_pool); |
628 | rq->page_pool = NULL; | |
069d1146 | 629 | goto err_free; |
84f5e3fb | 630 | } |
60bbf7ee JDB |
631 | err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq, |
632 | MEM_TYPE_PAGE_POOL, rq->page_pool); | |
633 | if (err) | |
069d1146 | 634 | goto err_free; |
84f5e3fb | 635 | |
f62b8bb8 | 636 | for (i = 0; i < wq_sz; i++) { |
4c2af5cc | 637 | if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { |
99cbfa93 | 638 | struct mlx5e_rx_wqe_ll *wqe = |
422d4c40 | 639 | mlx5_wq_ll_get_wqe(&rq->mpwqe.wq, i); |
069d1146 TT |
640 | u32 byte_count = |
641 | rq->mpwqe.num_strides << rq->mpwqe.log_stride_sz; | |
b8a98a4c | 642 | u64 dma_offset = mlx5e_get_mpwqe_offset(rq, i); |
4c2af5cc | 643 | |
99cbfa93 TT |
644 | wqe->data[0].addr = cpu_to_be64(dma_offset + rq->buff.headroom); |
645 | wqe->data[0].byte_count = cpu_to_be32(byte_count); | |
646 | wqe->data[0].lkey = rq->mkey_be; | |
422d4c40 | 647 | } else { |
99cbfa93 TT |
648 | struct mlx5e_rx_wqe_cyc *wqe = |
649 | mlx5_wq_cyc_get_wqe(&rq->wqe.wq, i); | |
069d1146 TT |
650 | int f; |
651 | ||
652 | for (f = 0; f < rq->wqe.info.num_frags; f++) { | |
653 | u32 frag_size = rq->wqe.info.arr[f].frag_size | | |
654 | MLX5_HW_START_PADDING; | |
655 | ||
656 | wqe->data[f].byte_count = cpu_to_be32(frag_size); | |
657 | wqe->data[f].lkey = rq->mkey_be; | |
658 | } | |
659 | /* check if num_frags is not a pow of two */ | |
660 | if (rq->wqe.info.num_frags < (1 << rq->wqe.info.log_num_frags)) { | |
661 | wqe->data[f].byte_count = 0; | |
662 | wqe->data[f].lkey = cpu_to_be32(MLX5_INVALID_LKEY); | |
663 | wqe->data[f].addr = 0; | |
664 | } | |
422d4c40 | 665 | } |
f62b8bb8 AV |
666 | } |
667 | ||
9a317425 AG |
668 | INIT_WORK(&rq->dim.work, mlx5e_rx_dim_work); |
669 | ||
670 | switch (params->rx_cq_moderation.cq_period_mode) { | |
671 | case MLX5_CQ_PERIOD_MODE_START_FROM_CQE: | |
672 | rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE; | |
673 | break; | |
674 | case MLX5_CQ_PERIOD_MODE_START_FROM_EQE: | |
675 | default: | |
676 | rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE; | |
677 | } | |
678 | ||
4415a031 TT |
679 | rq->page_cache.head = 0; |
680 | rq->page_cache.tail = 0; | |
681 | ||
f62b8bb8 AV |
682 | return 0; |
683 | ||
069d1146 TT |
684 | err_free: |
685 | switch (rq->wq_type) { | |
686 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
ca11b798 | 687 | kvfree(rq->mpwqe.info); |
069d1146 TT |
688 | mlx5_core_destroy_mkey(mdev, &rq->umr_mkey); |
689 | break; | |
690 | default: /* MLX5_WQ_TYPE_CYCLIC */ | |
691 | kvfree(rq->wqe.frags); | |
692 | mlx5e_free_di_list(rq); | |
693 | } | |
ec8b9981 | 694 | |
f62b8bb8 | 695 | err_rq_wq_destroy: |
97bc402d DB |
696 | if (rq->xdp_prog) |
697 | bpf_prog_put(rq->xdp_prog); | |
0ddf5432 | 698 | xdp_rxq_info_unreg(&rq->xdp_rxq); |
60bbf7ee JDB |
699 | if (rq->page_pool) |
700 | page_pool_destroy(rq->page_pool); | |
f62b8bb8 AV |
701 | mlx5_wq_destroy(&rq->wq_ctrl); |
702 | ||
703 | return err; | |
704 | } | |
705 | ||
3b77235b | 706 | static void mlx5e_free_rq(struct mlx5e_rq *rq) |
f62b8bb8 | 707 | { |
4415a031 TT |
708 | int i; |
709 | ||
86994156 RS |
710 | if (rq->xdp_prog) |
711 | bpf_prog_put(rq->xdp_prog); | |
712 | ||
0ddf5432 | 713 | xdp_rxq_info_unreg(&rq->xdp_rxq); |
60bbf7ee JDB |
714 | if (rq->page_pool) |
715 | page_pool_destroy(rq->page_pool); | |
0ddf5432 | 716 | |
461017cb TT |
717 | switch (rq->wq_type) { |
718 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
ca11b798 | 719 | kvfree(rq->mpwqe.info); |
a43b25da | 720 | mlx5_core_destroy_mkey(rq->mdev, &rq->umr_mkey); |
461017cb | 721 | break; |
99cbfa93 | 722 | default: /* MLX5_WQ_TYPE_CYCLIC */ |
069d1146 TT |
723 | kvfree(rq->wqe.frags); |
724 | mlx5e_free_di_list(rq); | |
461017cb TT |
725 | } |
726 | ||
4415a031 TT |
727 | for (i = rq->page_cache.head; i != rq->page_cache.tail; |
728 | i = (i + 1) & (MLX5E_CACHE_SIZE - 1)) { | |
729 | struct mlx5e_dma_info *dma_info = &rq->page_cache.page_cache[i]; | |
730 | ||
731 | mlx5e_page_release(rq, dma_info, false); | |
732 | } | |
f62b8bb8 AV |
733 | mlx5_wq_destroy(&rq->wq_ctrl); |
734 | } | |
735 | ||
6a9764ef SM |
736 | static int mlx5e_create_rq(struct mlx5e_rq *rq, |
737 | struct mlx5e_rq_param *param) | |
f62b8bb8 | 738 | { |
a43b25da | 739 | struct mlx5_core_dev *mdev = rq->mdev; |
f62b8bb8 AV |
740 | |
741 | void *in; | |
742 | void *rqc; | |
743 | void *wq; | |
744 | int inlen; | |
745 | int err; | |
746 | ||
747 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + | |
748 | sizeof(u64) * rq->wq_ctrl.buf.npages; | |
1b9a07ee | 749 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
750 | if (!in) |
751 | return -ENOMEM; | |
752 | ||
753 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
754 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
755 | ||
756 | memcpy(rqc, param->rqc, sizeof(param->rqc)); | |
757 | ||
97de9f31 | 758 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
f62b8bb8 | 759 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
f62b8bb8 | 760 | MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - |
68cdf5d6 | 761 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
762 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
763 | ||
3a2f7033 TT |
764 | mlx5_fill_page_frag_array(&rq->wq_ctrl.buf, |
765 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
f62b8bb8 | 766 | |
7db22ffb | 767 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
f62b8bb8 AV |
768 | |
769 | kvfree(in); | |
770 | ||
771 | return err; | |
772 | } | |
773 | ||
36350114 GP |
774 | static int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, |
775 | int next_state) | |
f62b8bb8 | 776 | { |
7cbaf9a3 | 777 | struct mlx5_core_dev *mdev = rq->mdev; |
f62b8bb8 AV |
778 | |
779 | void *in; | |
780 | void *rqc; | |
781 | int inlen; | |
782 | int err; | |
783 | ||
784 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 785 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
786 | if (!in) |
787 | return -ENOMEM; | |
788 | ||
789 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
790 | ||
791 | MLX5_SET(modify_rq_in, in, rq_state, curr_state); | |
792 | MLX5_SET(rqc, rqc, state, next_state); | |
793 | ||
7db22ffb | 794 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
f62b8bb8 AV |
795 | |
796 | kvfree(in); | |
797 | ||
798 | return err; | |
799 | } | |
800 | ||
102722fc GE |
801 | static int mlx5e_modify_rq_scatter_fcs(struct mlx5e_rq *rq, bool enable) |
802 | { | |
803 | struct mlx5e_channel *c = rq->channel; | |
804 | struct mlx5e_priv *priv = c->priv; | |
805 | struct mlx5_core_dev *mdev = priv->mdev; | |
806 | ||
807 | void *in; | |
808 | void *rqc; | |
809 | int inlen; | |
810 | int err; | |
811 | ||
812 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 813 | in = kvzalloc(inlen, GFP_KERNEL); |
102722fc GE |
814 | if (!in) |
815 | return -ENOMEM; | |
816 | ||
817 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
818 | ||
819 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); | |
820 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
821 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS); | |
822 | MLX5_SET(rqc, rqc, scatter_fcs, enable); | |
823 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); | |
824 | ||
825 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); | |
826 | ||
827 | kvfree(in); | |
828 | ||
829 | return err; | |
830 | } | |
831 | ||
36350114 GP |
832 | static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd) |
833 | { | |
834 | struct mlx5e_channel *c = rq->channel; | |
a43b25da | 835 | struct mlx5_core_dev *mdev = c->mdev; |
36350114 GP |
836 | void *in; |
837 | void *rqc; | |
838 | int inlen; | |
839 | int err; | |
840 | ||
841 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 842 | in = kvzalloc(inlen, GFP_KERNEL); |
36350114 GP |
843 | if (!in) |
844 | return -ENOMEM; | |
845 | ||
846 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
847 | ||
848 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); | |
83b502a1 AV |
849 | MLX5_SET64(modify_rq_in, in, modify_bitmask, |
850 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); | |
36350114 GP |
851 | MLX5_SET(rqc, rqc, vsd, vsd); |
852 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); | |
853 | ||
854 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); | |
855 | ||
856 | kvfree(in); | |
857 | ||
858 | return err; | |
859 | } | |
860 | ||
3b77235b | 861 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) |
f62b8bb8 | 862 | { |
a43b25da | 863 | mlx5_core_destroy_rq(rq->mdev, rq->rqn); |
f62b8bb8 AV |
864 | } |
865 | ||
1e7477ae | 866 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq, int wait_time) |
f62b8bb8 | 867 | { |
1e7477ae | 868 | unsigned long exp_time = jiffies + msecs_to_jiffies(wait_time); |
f62b8bb8 | 869 | struct mlx5e_channel *c = rq->channel; |
a43b25da | 870 | |
422d4c40 | 871 | u16 min_wqes = mlx5_min_rx_wqes(rq->wq_type, mlx5e_rqwq_get_size(rq)); |
f62b8bb8 | 872 | |
1e7477ae | 873 | do { |
422d4c40 | 874 | if (mlx5e_rqwq_get_cur_sz(rq) >= min_wqes) |
f62b8bb8 AV |
875 | return 0; |
876 | ||
877 | msleep(20); | |
1e7477ae EBE |
878 | } while (time_before(jiffies, exp_time)); |
879 | ||
880 | netdev_warn(c->netdev, "Failed to get min RX wqes on Channel[%d] RQN[0x%x] wq cur_sz(%d) min_rx_wqes(%d)\n", | |
422d4c40 | 881 | c->ix, rq->rqn, mlx5e_rqwq_get_cur_sz(rq), min_wqes); |
f62b8bb8 AV |
882 | |
883 | return -ETIMEDOUT; | |
884 | } | |
885 | ||
f2fde18c SM |
886 | static void mlx5e_free_rx_descs(struct mlx5e_rq *rq) |
887 | { | |
f2fde18c SM |
888 | __be16 wqe_ix_be; |
889 | u16 wqe_ix; | |
890 | ||
422d4c40 TT |
891 | if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { |
892 | struct mlx5_wq_ll *wq = &rq->mpwqe.wq; | |
893 | ||
99cbfa93 | 894 | /* UMR WQE (if in progress) is always at wq->head */ |
422d4c40 | 895 | if (rq->mpwqe.umr_in_progress) |
afab995e | 896 | rq->dealloc_wqe(rq, wq->head); |
422d4c40 TT |
897 | |
898 | while (!mlx5_wq_ll_is_empty(wq)) { | |
99cbfa93 | 899 | struct mlx5e_rx_wqe_ll *wqe; |
422d4c40 TT |
900 | |
901 | wqe_ix_be = *wq->tail_next; | |
902 | wqe_ix = be16_to_cpu(wqe_ix_be); | |
903 | wqe = mlx5_wq_ll_get_wqe(wq, wqe_ix); | |
904 | rq->dealloc_wqe(rq, wqe_ix); | |
905 | mlx5_wq_ll_pop(wq, wqe_ix_be, | |
906 | &wqe->next.next_wqe_index); | |
907 | } | |
908 | } else { | |
99cbfa93 | 909 | struct mlx5_wq_cyc *wq = &rq->wqe.wq; |
422d4c40 | 910 | |
99cbfa93 TT |
911 | while (!mlx5_wq_cyc_is_empty(wq)) { |
912 | wqe_ix = mlx5_wq_cyc_get_tail(wq); | |
422d4c40 | 913 | rq->dealloc_wqe(rq, wqe_ix); |
99cbfa93 | 914 | mlx5_wq_cyc_pop(wq); |
422d4c40 | 915 | } |
accd5883 | 916 | } |
069d1146 | 917 | |
f2fde18c SM |
918 | } |
919 | ||
f62b8bb8 | 920 | static int mlx5e_open_rq(struct mlx5e_channel *c, |
6a9764ef | 921 | struct mlx5e_params *params, |
f62b8bb8 AV |
922 | struct mlx5e_rq_param *param, |
923 | struct mlx5e_rq *rq) | |
924 | { | |
925 | int err; | |
926 | ||
6a9764ef | 927 | err = mlx5e_alloc_rq(c, params, param, rq); |
f62b8bb8 AV |
928 | if (err) |
929 | return err; | |
930 | ||
3b77235b | 931 | err = mlx5e_create_rq(rq, param); |
f62b8bb8 | 932 | if (err) |
3b77235b | 933 | goto err_free_rq; |
f62b8bb8 | 934 | |
36350114 | 935 | err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); |
f62b8bb8 | 936 | if (err) |
3b77235b | 937 | goto err_destroy_rq; |
f62b8bb8 | 938 | |
9a317425 | 939 | if (params->rx_dim_enabled) |
af5a6c93 | 940 | __set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); |
cb3c7fd4 | 941 | |
b856df28 OG |
942 | if (params->pflags & MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) |
943 | __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); | |
944 | ||
f62b8bb8 AV |
945 | return 0; |
946 | ||
f62b8bb8 AV |
947 | err_destroy_rq: |
948 | mlx5e_destroy_rq(rq); | |
3b77235b SM |
949 | err_free_rq: |
950 | mlx5e_free_rq(rq); | |
f62b8bb8 AV |
951 | |
952 | return err; | |
953 | } | |
954 | ||
acc6c595 SM |
955 | static void mlx5e_activate_rq(struct mlx5e_rq *rq) |
956 | { | |
957 | struct mlx5e_icosq *sq = &rq->channel->icosq; | |
ddf385e3 | 958 | struct mlx5_wq_cyc *wq = &sq->wq; |
acc6c595 SM |
959 | struct mlx5e_tx_wqe *nopwqe; |
960 | ||
ddf385e3 TT |
961 | u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); |
962 | ||
acc6c595 SM |
963 | set_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); |
964 | sq->db.ico_wqe[pi].opcode = MLX5_OPCODE_NOP; | |
ddf385e3 TT |
965 | nopwqe = mlx5e_post_nop(wq, sq->sqn, &sq->pc); |
966 | mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nopwqe->ctrl); | |
acc6c595 SM |
967 | } |
968 | ||
969 | static void mlx5e_deactivate_rq(struct mlx5e_rq *rq) | |
f62b8bb8 | 970 | { |
c0f1147d | 971 | clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); |
f62b8bb8 | 972 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ |
acc6c595 | 973 | } |
cb3c7fd4 | 974 | |
acc6c595 SM |
975 | static void mlx5e_close_rq(struct mlx5e_rq *rq) |
976 | { | |
9a317425 | 977 | cancel_work_sync(&rq->dim.work); |
f62b8bb8 | 978 | mlx5e_destroy_rq(rq); |
3b77235b SM |
979 | mlx5e_free_rx_descs(rq); |
980 | mlx5e_free_rq(rq); | |
f62b8bb8 AV |
981 | } |
982 | ||
31391048 | 983 | static void mlx5e_free_xdpsq_db(struct mlx5e_xdpsq *sq) |
b5503b99 | 984 | { |
c94e4f11 | 985 | kvfree(sq->db.xdpi); |
b5503b99 SM |
986 | } |
987 | ||
31391048 | 988 | static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa) |
b5503b99 SM |
989 | { |
990 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
991 | ||
c94e4f11 TT |
992 | sq->db.xdpi = kvzalloc_node(array_size(wq_sz, sizeof(*sq->db.xdpi)), |
993 | GFP_KERNEL, numa); | |
994 | if (!sq->db.xdpi) { | |
31391048 | 995 | mlx5e_free_xdpsq_db(sq); |
b5503b99 SM |
996 | return -ENOMEM; |
997 | } | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
31391048 | 1002 | static int mlx5e_alloc_xdpsq(struct mlx5e_channel *c, |
6a9764ef | 1003 | struct mlx5e_params *params, |
31391048 | 1004 | struct mlx5e_sq_param *param, |
58b99ee3 TT |
1005 | struct mlx5e_xdpsq *sq, |
1006 | bool is_redirect) | |
31391048 SM |
1007 | { |
1008 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); | |
a43b25da | 1009 | struct mlx5_core_dev *mdev = c->mdev; |
ddf385e3 | 1010 | struct mlx5_wq_cyc *wq = &sq->wq; |
31391048 SM |
1011 | int err; |
1012 | ||
1013 | sq->pdev = c->pdev; | |
1014 | sq->mkey_be = c->mkey_be; | |
1015 | sq->channel = c; | |
1016 | sq->uar_map = mdev->mlx5e_res.bfreg.map; | |
6a9764ef | 1017 | sq->min_inline_mode = params->tx_min_inline_mode; |
c94e4f11 | 1018 | sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); |
58b99ee3 TT |
1019 | sq->stats = is_redirect ? |
1020 | &c->priv->channel_stats[c->ix].xdpsq : | |
1021 | &c->priv->channel_stats[c->ix].rq_xdpsq; | |
31391048 | 1022 | |
231243c8 | 1023 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
ddf385e3 | 1024 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl); |
31391048 SM |
1025 | if (err) |
1026 | return err; | |
ddf385e3 | 1027 | wq->db = &wq->db[MLX5_SND_DBR]; |
31391048 | 1028 | |
231243c8 | 1029 | err = mlx5e_alloc_xdpsq_db(sq, cpu_to_node(c->cpu)); |
31391048 SM |
1030 | if (err) |
1031 | goto err_sq_wq_destroy; | |
1032 | ||
1033 | return 0; | |
1034 | ||
1035 | err_sq_wq_destroy: | |
1036 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1037 | ||
1038 | return err; | |
1039 | } | |
1040 | ||
1041 | static void mlx5e_free_xdpsq(struct mlx5e_xdpsq *sq) | |
1042 | { | |
1043 | mlx5e_free_xdpsq_db(sq); | |
1044 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1045 | } | |
1046 | ||
1047 | static void mlx5e_free_icosq_db(struct mlx5e_icosq *sq) | |
f62b8bb8 | 1048 | { |
ca11b798 | 1049 | kvfree(sq->db.ico_wqe); |
f62b8bb8 AV |
1050 | } |
1051 | ||
31391048 | 1052 | static int mlx5e_alloc_icosq_db(struct mlx5e_icosq *sq, int numa) |
f10b7cc7 SM |
1053 | { |
1054 | u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
1055 | ||
eec4edc9 KC |
1056 | sq->db.ico_wqe = kvzalloc_node(array_size(wq_sz, |
1057 | sizeof(*sq->db.ico_wqe)), | |
ca11b798 | 1058 | GFP_KERNEL, numa); |
f10b7cc7 SM |
1059 | if (!sq->db.ico_wqe) |
1060 | return -ENOMEM; | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
31391048 | 1065 | static int mlx5e_alloc_icosq(struct mlx5e_channel *c, |
31391048 SM |
1066 | struct mlx5e_sq_param *param, |
1067 | struct mlx5e_icosq *sq) | |
f10b7cc7 | 1068 | { |
31391048 | 1069 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); |
a43b25da | 1070 | struct mlx5_core_dev *mdev = c->mdev; |
ddf385e3 | 1071 | struct mlx5_wq_cyc *wq = &sq->wq; |
31391048 | 1072 | int err; |
f10b7cc7 | 1073 | |
31391048 SM |
1074 | sq->channel = c; |
1075 | sq->uar_map = mdev->mlx5e_res.bfreg.map; | |
f62b8bb8 | 1076 | |
231243c8 | 1077 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
ddf385e3 | 1078 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl); |
31391048 SM |
1079 | if (err) |
1080 | return err; | |
ddf385e3 | 1081 | wq->db = &wq->db[MLX5_SND_DBR]; |
f62b8bb8 | 1082 | |
231243c8 | 1083 | err = mlx5e_alloc_icosq_db(sq, cpu_to_node(c->cpu)); |
31391048 SM |
1084 | if (err) |
1085 | goto err_sq_wq_destroy; | |
1086 | ||
f62b8bb8 | 1087 | return 0; |
31391048 SM |
1088 | |
1089 | err_sq_wq_destroy: | |
1090 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1091 | ||
1092 | return err; | |
f62b8bb8 AV |
1093 | } |
1094 | ||
31391048 | 1095 | static void mlx5e_free_icosq(struct mlx5e_icosq *sq) |
f10b7cc7 | 1096 | { |
31391048 SM |
1097 | mlx5e_free_icosq_db(sq); |
1098 | mlx5_wq_destroy(&sq->wq_ctrl); | |
f10b7cc7 SM |
1099 | } |
1100 | ||
31391048 | 1101 | static void mlx5e_free_txqsq_db(struct mlx5e_txqsq *sq) |
f10b7cc7 | 1102 | { |
ca11b798 TT |
1103 | kvfree(sq->db.wqe_info); |
1104 | kvfree(sq->db.dma_fifo); | |
f10b7cc7 SM |
1105 | } |
1106 | ||
31391048 | 1107 | static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa) |
b5503b99 | 1108 | { |
31391048 SM |
1109 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
1110 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; | |
1111 | ||
eec4edc9 KC |
1112 | sq->db.dma_fifo = kvzalloc_node(array_size(df_sz, |
1113 | sizeof(*sq->db.dma_fifo)), | |
ca11b798 | 1114 | GFP_KERNEL, numa); |
eec4edc9 KC |
1115 | sq->db.wqe_info = kvzalloc_node(array_size(wq_sz, |
1116 | sizeof(*sq->db.wqe_info)), | |
ca11b798 | 1117 | GFP_KERNEL, numa); |
77bdf895 | 1118 | if (!sq->db.dma_fifo || !sq->db.wqe_info) { |
31391048 SM |
1119 | mlx5e_free_txqsq_db(sq); |
1120 | return -ENOMEM; | |
b5503b99 | 1121 | } |
31391048 SM |
1122 | |
1123 | sq->dma_fifo_mask = df_sz - 1; | |
1124 | ||
1125 | return 0; | |
b5503b99 SM |
1126 | } |
1127 | ||
db75373c | 1128 | static void mlx5e_sq_recover(struct work_struct *work); |
31391048 | 1129 | static int mlx5e_alloc_txqsq(struct mlx5e_channel *c, |
acc6c595 | 1130 | int txq_ix, |
6a9764ef | 1131 | struct mlx5e_params *params, |
31391048 | 1132 | struct mlx5e_sq_param *param, |
05909bab EBE |
1133 | struct mlx5e_txqsq *sq, |
1134 | int tc) | |
f62b8bb8 | 1135 | { |
31391048 | 1136 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); |
a43b25da | 1137 | struct mlx5_core_dev *mdev = c->mdev; |
ddf385e3 | 1138 | struct mlx5_wq_cyc *wq = &sq->wq; |
f62b8bb8 AV |
1139 | int err; |
1140 | ||
f10b7cc7 | 1141 | sq->pdev = c->pdev; |
a43b25da | 1142 | sq->tstamp = c->tstamp; |
7c39afb3 | 1143 | sq->clock = &mdev->clock; |
f10b7cc7 SM |
1144 | sq->mkey_be = c->mkey_be; |
1145 | sq->channel = c; | |
acc6c595 | 1146 | sq->txq_ix = txq_ix; |
aff26157 | 1147 | sq->uar_map = mdev->mlx5e_res.bfreg.map; |
6a9764ef | 1148 | sq->min_inline_mode = params->tx_min_inline_mode; |
05909bab | 1149 | sq->stats = &c->priv->channel_stats[c->ix].sq[tc]; |
db75373c | 1150 | INIT_WORK(&sq->recover.recover_work, mlx5e_sq_recover); |
2ac9cfe7 IT |
1151 | if (MLX5_IPSEC_DEV(c->priv->mdev)) |
1152 | set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state); | |
bf239741 IL |
1153 | if (mlx5_accel_is_tls_device(c->priv->mdev)) |
1154 | set_bit(MLX5E_SQ_STATE_TLS, &sq->state); | |
f10b7cc7 | 1155 | |
231243c8 | 1156 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
ddf385e3 | 1157 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl); |
f62b8bb8 | 1158 | if (err) |
aff26157 | 1159 | return err; |
ddf385e3 | 1160 | wq->db = &wq->db[MLX5_SND_DBR]; |
f62b8bb8 | 1161 | |
231243c8 | 1162 | err = mlx5e_alloc_txqsq_db(sq, cpu_to_node(c->cpu)); |
7ec0bb22 | 1163 | if (err) |
f62b8bb8 AV |
1164 | goto err_sq_wq_destroy; |
1165 | ||
cbce4f44 TG |
1166 | INIT_WORK(&sq->dim.work, mlx5e_tx_dim_work); |
1167 | sq->dim.mode = params->tx_cq_moderation.cq_period_mode; | |
1168 | ||
f62b8bb8 AV |
1169 | return 0; |
1170 | ||
1171 | err_sq_wq_destroy: | |
1172 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1173 | ||
f62b8bb8 AV |
1174 | return err; |
1175 | } | |
1176 | ||
31391048 | 1177 | static void mlx5e_free_txqsq(struct mlx5e_txqsq *sq) |
f62b8bb8 | 1178 | { |
31391048 | 1179 | mlx5e_free_txqsq_db(sq); |
f62b8bb8 | 1180 | mlx5_wq_destroy(&sq->wq_ctrl); |
f62b8bb8 AV |
1181 | } |
1182 | ||
33ad9711 SM |
1183 | struct mlx5e_create_sq_param { |
1184 | struct mlx5_wq_ctrl *wq_ctrl; | |
1185 | u32 cqn; | |
1186 | u32 tisn; | |
1187 | u8 tis_lst_sz; | |
1188 | u8 min_inline_mode; | |
1189 | }; | |
1190 | ||
a43b25da | 1191 | static int mlx5e_create_sq(struct mlx5_core_dev *mdev, |
33ad9711 SM |
1192 | struct mlx5e_sq_param *param, |
1193 | struct mlx5e_create_sq_param *csp, | |
1194 | u32 *sqn) | |
f62b8bb8 | 1195 | { |
f62b8bb8 AV |
1196 | void *in; |
1197 | void *sqc; | |
1198 | void *wq; | |
1199 | int inlen; | |
1200 | int err; | |
1201 | ||
1202 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + | |
33ad9711 | 1203 | sizeof(u64) * csp->wq_ctrl->buf.npages; |
1b9a07ee | 1204 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1205 | if (!in) |
1206 | return -ENOMEM; | |
1207 | ||
1208 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
1209 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1210 | ||
1211 | memcpy(sqc, param->sqc, sizeof(param->sqc)); | |
33ad9711 SM |
1212 | MLX5_SET(sqc, sqc, tis_lst_sz, csp->tis_lst_sz); |
1213 | MLX5_SET(sqc, sqc, tis_num_0, csp->tisn); | |
1214 | MLX5_SET(sqc, sqc, cqn, csp->cqn); | |
a6f402e4 SM |
1215 | |
1216 | if (MLX5_CAP_ETH(mdev, wqe_inline_mode) == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) | |
33ad9711 | 1217 | MLX5_SET(sqc, sqc, min_wqe_inline_mode, csp->min_inline_mode); |
a6f402e4 | 1218 | |
33ad9711 | 1219 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); |
db75373c | 1220 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); |
f62b8bb8 AV |
1221 | |
1222 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
a43b25da | 1223 | MLX5_SET(wq, wq, uar_page, mdev->mlx5e_res.bfreg.index); |
33ad9711 | 1224 | MLX5_SET(wq, wq, log_wq_pg_sz, csp->wq_ctrl->buf.page_shift - |
68cdf5d6 | 1225 | MLX5_ADAPTER_PAGE_SHIFT); |
33ad9711 | 1226 | MLX5_SET64(wq, wq, dbr_addr, csp->wq_ctrl->db.dma); |
f62b8bb8 | 1227 | |
3a2f7033 TT |
1228 | mlx5_fill_page_frag_array(&csp->wq_ctrl->buf, |
1229 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
f62b8bb8 | 1230 | |
33ad9711 | 1231 | err = mlx5_core_create_sq(mdev, in, inlen, sqn); |
f62b8bb8 AV |
1232 | |
1233 | kvfree(in); | |
1234 | ||
1235 | return err; | |
1236 | } | |
1237 | ||
33ad9711 SM |
1238 | struct mlx5e_modify_sq_param { |
1239 | int curr_state; | |
1240 | int next_state; | |
1241 | bool rl_update; | |
1242 | int rl_index; | |
1243 | }; | |
1244 | ||
a43b25da | 1245 | static int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn, |
33ad9711 | 1246 | struct mlx5e_modify_sq_param *p) |
f62b8bb8 | 1247 | { |
f62b8bb8 AV |
1248 | void *in; |
1249 | void *sqc; | |
1250 | int inlen; | |
1251 | int err; | |
1252 | ||
1253 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
1b9a07ee | 1254 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1255 | if (!in) |
1256 | return -ENOMEM; | |
1257 | ||
1258 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
1259 | ||
33ad9711 SM |
1260 | MLX5_SET(modify_sq_in, in, sq_state, p->curr_state); |
1261 | MLX5_SET(sqc, sqc, state, p->next_state); | |
1262 | if (p->rl_update && p->next_state == MLX5_SQC_STATE_RDY) { | |
507f0c81 | 1263 | MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); |
33ad9711 | 1264 | MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, p->rl_index); |
507f0c81 | 1265 | } |
f62b8bb8 | 1266 | |
33ad9711 | 1267 | err = mlx5_core_modify_sq(mdev, sqn, in, inlen); |
f62b8bb8 AV |
1268 | |
1269 | kvfree(in); | |
1270 | ||
1271 | return err; | |
1272 | } | |
1273 | ||
a43b25da | 1274 | static void mlx5e_destroy_sq(struct mlx5_core_dev *mdev, u32 sqn) |
33ad9711 | 1275 | { |
a43b25da | 1276 | mlx5_core_destroy_sq(mdev, sqn); |
f62b8bb8 AV |
1277 | } |
1278 | ||
a43b25da | 1279 | static int mlx5e_create_sq_rdy(struct mlx5_core_dev *mdev, |
31391048 SM |
1280 | struct mlx5e_sq_param *param, |
1281 | struct mlx5e_create_sq_param *csp, | |
1282 | u32 *sqn) | |
f62b8bb8 | 1283 | { |
33ad9711 | 1284 | struct mlx5e_modify_sq_param msp = {0}; |
31391048 SM |
1285 | int err; |
1286 | ||
a43b25da | 1287 | err = mlx5e_create_sq(mdev, param, csp, sqn); |
31391048 SM |
1288 | if (err) |
1289 | return err; | |
1290 | ||
1291 | msp.curr_state = MLX5_SQC_STATE_RST; | |
1292 | msp.next_state = MLX5_SQC_STATE_RDY; | |
a43b25da | 1293 | err = mlx5e_modify_sq(mdev, *sqn, &msp); |
31391048 | 1294 | if (err) |
a43b25da | 1295 | mlx5e_destroy_sq(mdev, *sqn); |
31391048 SM |
1296 | |
1297 | return err; | |
1298 | } | |
1299 | ||
7f859ecf SM |
1300 | static int mlx5e_set_sq_maxrate(struct net_device *dev, |
1301 | struct mlx5e_txqsq *sq, u32 rate); | |
1302 | ||
31391048 | 1303 | static int mlx5e_open_txqsq(struct mlx5e_channel *c, |
a43b25da | 1304 | u32 tisn, |
acc6c595 | 1305 | int txq_ix, |
6a9764ef | 1306 | struct mlx5e_params *params, |
31391048 | 1307 | struct mlx5e_sq_param *param, |
05909bab EBE |
1308 | struct mlx5e_txqsq *sq, |
1309 | int tc) | |
31391048 SM |
1310 | { |
1311 | struct mlx5e_create_sq_param csp = {}; | |
7f859ecf | 1312 | u32 tx_rate; |
f62b8bb8 AV |
1313 | int err; |
1314 | ||
05909bab | 1315 | err = mlx5e_alloc_txqsq(c, txq_ix, params, param, sq, tc); |
f62b8bb8 AV |
1316 | if (err) |
1317 | return err; | |
1318 | ||
a43b25da | 1319 | csp.tisn = tisn; |
31391048 | 1320 | csp.tis_lst_sz = 1; |
33ad9711 SM |
1321 | csp.cqn = sq->cq.mcq.cqn; |
1322 | csp.wq_ctrl = &sq->wq_ctrl; | |
1323 | csp.min_inline_mode = sq->min_inline_mode; | |
a43b25da | 1324 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
f62b8bb8 | 1325 | if (err) |
31391048 | 1326 | goto err_free_txqsq; |
f62b8bb8 | 1327 | |
a43b25da | 1328 | tx_rate = c->priv->tx_rates[sq->txq_ix]; |
7f859ecf | 1329 | if (tx_rate) |
a43b25da | 1330 | mlx5e_set_sq_maxrate(c->netdev, sq, tx_rate); |
7f859ecf | 1331 | |
cbce4f44 TG |
1332 | if (params->tx_dim_enabled) |
1333 | sq->state |= BIT(MLX5E_SQ_STATE_AM); | |
1334 | ||
f62b8bb8 AV |
1335 | return 0; |
1336 | ||
31391048 | 1337 | err_free_txqsq: |
3b77235b | 1338 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
31391048 | 1339 | mlx5e_free_txqsq(sq); |
f62b8bb8 AV |
1340 | |
1341 | return err; | |
1342 | } | |
1343 | ||
db75373c EBE |
1344 | static void mlx5e_reset_txqsq_cc_pc(struct mlx5e_txqsq *sq) |
1345 | { | |
1346 | WARN_ONCE(sq->cc != sq->pc, | |
1347 | "SQ 0x%x: cc (0x%x) != pc (0x%x)\n", | |
1348 | sq->sqn, sq->cc, sq->pc); | |
1349 | sq->cc = 0; | |
1350 | sq->dma_fifo_cc = 0; | |
1351 | sq->pc = 0; | |
1352 | } | |
1353 | ||
acc6c595 SM |
1354 | static void mlx5e_activate_txqsq(struct mlx5e_txqsq *sq) |
1355 | { | |
a43b25da | 1356 | sq->txq = netdev_get_tx_queue(sq->channel->netdev, sq->txq_ix); |
db75373c | 1357 | clear_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state); |
acc6c595 SM |
1358 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
1359 | netdev_tx_reset_queue(sq->txq); | |
1360 | netif_tx_start_queue(sq->txq); | |
1361 | } | |
1362 | ||
f62b8bb8 AV |
1363 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) |
1364 | { | |
1365 | __netif_tx_lock_bh(txq); | |
1366 | netif_tx_stop_queue(txq); | |
1367 | __netif_tx_unlock_bh(txq); | |
1368 | } | |
1369 | ||
acc6c595 | 1370 | static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) |
f62b8bb8 | 1371 | { |
33ad9711 | 1372 | struct mlx5e_channel *c = sq->channel; |
ddf385e3 | 1373 | struct mlx5_wq_cyc *wq = &sq->wq; |
33ad9711 | 1374 | |
c0f1147d | 1375 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
6e8dd6d6 | 1376 | /* prevent netif_tx_wake_queue */ |
33ad9711 | 1377 | napi_synchronize(&c->napi); |
29429f33 | 1378 | |
31391048 | 1379 | netif_tx_disable_queue(sq->txq); |
f62b8bb8 | 1380 | |
31391048 | 1381 | /* last doorbell out, godspeed .. */ |
ddf385e3 TT |
1382 | if (mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1)) { |
1383 | u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); | |
31391048 | 1384 | struct mlx5e_tx_wqe *nop; |
864b2d71 | 1385 | |
ddf385e3 TT |
1386 | sq->db.wqe_info[pi].skb = NULL; |
1387 | nop = mlx5e_post_nop(wq, sq->sqn, &sq->pc); | |
1388 | mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nop->ctrl); | |
29429f33 | 1389 | } |
acc6c595 SM |
1390 | } |
1391 | ||
1392 | static void mlx5e_close_txqsq(struct mlx5e_txqsq *sq) | |
1393 | { | |
1394 | struct mlx5e_channel *c = sq->channel; | |
a43b25da | 1395 | struct mlx5_core_dev *mdev = c->mdev; |
05d3ac97 | 1396 | struct mlx5_rate_limit rl = {0}; |
f62b8bb8 | 1397 | |
a43b25da | 1398 | mlx5e_destroy_sq(mdev, sq->sqn); |
05d3ac97 BW |
1399 | if (sq->rate_limit) { |
1400 | rl.rate = sq->rate_limit; | |
1401 | mlx5_rl_remove_rate(mdev, &rl); | |
1402 | } | |
31391048 SM |
1403 | mlx5e_free_txqsq_descs(sq); |
1404 | mlx5e_free_txqsq(sq); | |
1405 | } | |
1406 | ||
db75373c EBE |
1407 | static int mlx5e_wait_for_sq_flush(struct mlx5e_txqsq *sq) |
1408 | { | |
1409 | unsigned long exp_time = jiffies + msecs_to_jiffies(2000); | |
1410 | ||
1411 | while (time_before(jiffies, exp_time)) { | |
1412 | if (sq->cc == sq->pc) | |
1413 | return 0; | |
1414 | ||
1415 | msleep(20); | |
1416 | } | |
1417 | ||
1418 | netdev_err(sq->channel->netdev, | |
1419 | "Wait for SQ 0x%x flush timeout (sq cc = 0x%x, sq pc = 0x%x)\n", | |
1420 | sq->sqn, sq->cc, sq->pc); | |
1421 | ||
1422 | return -ETIMEDOUT; | |
1423 | } | |
1424 | ||
1425 | static int mlx5e_sq_to_ready(struct mlx5e_txqsq *sq, int curr_state) | |
1426 | { | |
1427 | struct mlx5_core_dev *mdev = sq->channel->mdev; | |
1428 | struct net_device *dev = sq->channel->netdev; | |
1429 | struct mlx5e_modify_sq_param msp = {0}; | |
1430 | int err; | |
1431 | ||
1432 | msp.curr_state = curr_state; | |
1433 | msp.next_state = MLX5_SQC_STATE_RST; | |
1434 | ||
1435 | err = mlx5e_modify_sq(mdev, sq->sqn, &msp); | |
1436 | if (err) { | |
1437 | netdev_err(dev, "Failed to move sq 0x%x to reset\n", sq->sqn); | |
1438 | return err; | |
1439 | } | |
1440 | ||
1441 | memset(&msp, 0, sizeof(msp)); | |
1442 | msp.curr_state = MLX5_SQC_STATE_RST; | |
1443 | msp.next_state = MLX5_SQC_STATE_RDY; | |
1444 | ||
1445 | err = mlx5e_modify_sq(mdev, sq->sqn, &msp); | |
1446 | if (err) { | |
1447 | netdev_err(dev, "Failed to move sq 0x%x to ready\n", sq->sqn); | |
1448 | return err; | |
1449 | } | |
1450 | ||
1451 | return 0; | |
1452 | } | |
1453 | ||
1454 | static void mlx5e_sq_recover(struct work_struct *work) | |
1455 | { | |
1456 | struct mlx5e_txqsq_recover *recover = | |
1457 | container_of(work, struct mlx5e_txqsq_recover, | |
1458 | recover_work); | |
1459 | struct mlx5e_txqsq *sq = container_of(recover, struct mlx5e_txqsq, | |
1460 | recover); | |
1461 | struct mlx5_core_dev *mdev = sq->channel->mdev; | |
1462 | struct net_device *dev = sq->channel->netdev; | |
1463 | u8 state; | |
1464 | int err; | |
1465 | ||
1466 | err = mlx5_core_query_sq_state(mdev, sq->sqn, &state); | |
1467 | if (err) { | |
1468 | netdev_err(dev, "Failed to query SQ 0x%x state. err = %d\n", | |
1469 | sq->sqn, err); | |
1470 | return; | |
1471 | } | |
1472 | ||
1473 | if (state != MLX5_RQC_STATE_ERR) { | |
1474 | netdev_err(dev, "SQ 0x%x not in ERROR state\n", sq->sqn); | |
1475 | return; | |
1476 | } | |
1477 | ||
1478 | netif_tx_disable_queue(sq->txq); | |
1479 | ||
1480 | if (mlx5e_wait_for_sq_flush(sq)) | |
1481 | return; | |
1482 | ||
1483 | /* If the interval between two consecutive recovers per SQ is too | |
1484 | * short, don't recover to avoid infinite loop of ERR_CQE -> recover. | |
1485 | * If we reached this state, there is probably a bug that needs to be | |
1486 | * fixed. let's keep the queue close and let tx timeout cleanup. | |
1487 | */ | |
1488 | if (jiffies_to_msecs(jiffies - recover->last_recover) < | |
1489 | MLX5E_SQ_RECOVER_MIN_INTERVAL) { | |
1490 | netdev_err(dev, "Recover SQ 0x%x canceled, too many error CQEs\n", | |
1491 | sq->sqn); | |
1492 | return; | |
1493 | } | |
1494 | ||
1495 | /* At this point, no new packets will arrive from the stack as TXQ is | |
1496 | * marked with QUEUE_STATE_DRV_XOFF. In addition, NAPI cleared all | |
1497 | * pending WQEs. SQ can safely reset the SQ. | |
1498 | */ | |
1499 | if (mlx5e_sq_to_ready(sq, state)) | |
1500 | return; | |
1501 | ||
1502 | mlx5e_reset_txqsq_cc_pc(sq); | |
05909bab | 1503 | sq->stats->recover++; |
db75373c EBE |
1504 | recover->last_recover = jiffies; |
1505 | mlx5e_activate_txqsq(sq); | |
1506 | } | |
1507 | ||
31391048 | 1508 | static int mlx5e_open_icosq(struct mlx5e_channel *c, |
6a9764ef | 1509 | struct mlx5e_params *params, |
31391048 SM |
1510 | struct mlx5e_sq_param *param, |
1511 | struct mlx5e_icosq *sq) | |
1512 | { | |
1513 | struct mlx5e_create_sq_param csp = {}; | |
1514 | int err; | |
1515 | ||
6a9764ef | 1516 | err = mlx5e_alloc_icosq(c, param, sq); |
31391048 SM |
1517 | if (err) |
1518 | return err; | |
1519 | ||
1520 | csp.cqn = sq->cq.mcq.cqn; | |
1521 | csp.wq_ctrl = &sq->wq_ctrl; | |
6a9764ef | 1522 | csp.min_inline_mode = params->tx_min_inline_mode; |
31391048 | 1523 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
a43b25da | 1524 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
31391048 SM |
1525 | if (err) |
1526 | goto err_free_icosq; | |
1527 | ||
1528 | return 0; | |
1529 | ||
1530 | err_free_icosq: | |
1531 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1532 | mlx5e_free_icosq(sq); | |
1533 | ||
1534 | return err; | |
1535 | } | |
1536 | ||
1537 | static void mlx5e_close_icosq(struct mlx5e_icosq *sq) | |
1538 | { | |
1539 | struct mlx5e_channel *c = sq->channel; | |
1540 | ||
1541 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1542 | napi_synchronize(&c->napi); | |
1543 | ||
a43b25da | 1544 | mlx5e_destroy_sq(c->mdev, sq->sqn); |
31391048 SM |
1545 | mlx5e_free_icosq(sq); |
1546 | } | |
1547 | ||
1548 | static int mlx5e_open_xdpsq(struct mlx5e_channel *c, | |
6a9764ef | 1549 | struct mlx5e_params *params, |
31391048 | 1550 | struct mlx5e_sq_param *param, |
58b99ee3 TT |
1551 | struct mlx5e_xdpsq *sq, |
1552 | bool is_redirect) | |
31391048 SM |
1553 | { |
1554 | unsigned int ds_cnt = MLX5E_XDP_TX_DS_COUNT; | |
1555 | struct mlx5e_create_sq_param csp = {}; | |
31391048 SM |
1556 | unsigned int inline_hdr_sz = 0; |
1557 | int err; | |
1558 | int i; | |
1559 | ||
58b99ee3 | 1560 | err = mlx5e_alloc_xdpsq(c, params, param, sq, is_redirect); |
31391048 SM |
1561 | if (err) |
1562 | return err; | |
1563 | ||
1564 | csp.tis_lst_sz = 1; | |
a43b25da | 1565 | csp.tisn = c->priv->tisn[0]; /* tc = 0 */ |
31391048 SM |
1566 | csp.cqn = sq->cq.mcq.cqn; |
1567 | csp.wq_ctrl = &sq->wq_ctrl; | |
1568 | csp.min_inline_mode = sq->min_inline_mode; | |
58b99ee3 TT |
1569 | if (is_redirect) |
1570 | set_bit(MLX5E_SQ_STATE_REDIRECT, &sq->state); | |
31391048 | 1571 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
a43b25da | 1572 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
31391048 SM |
1573 | if (err) |
1574 | goto err_free_xdpsq; | |
1575 | ||
1576 | if (sq->min_inline_mode != MLX5_INLINE_MODE_NONE) { | |
1577 | inline_hdr_sz = MLX5E_XDP_MIN_INLINE; | |
1578 | ds_cnt++; | |
1579 | } | |
1580 | ||
1581 | /* Pre initialize fixed WQE fields */ | |
1582 | for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) { | |
1583 | struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i); | |
1584 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
1585 | struct mlx5_wqe_eth_seg *eseg = &wqe->eth; | |
1586 | struct mlx5_wqe_data_seg *dseg; | |
1587 | ||
1588 | cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt); | |
1589 | eseg->inline_hdr.sz = cpu_to_be16(inline_hdr_sz); | |
1590 | ||
1591 | dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1); | |
1592 | dseg->lkey = sq->mkey_be; | |
1593 | } | |
1594 | ||
1595 | return 0; | |
1596 | ||
1597 | err_free_xdpsq: | |
1598 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1599 | mlx5e_free_xdpsq(sq); | |
1600 | ||
1601 | return err; | |
1602 | } | |
1603 | ||
1604 | static void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq) | |
1605 | { | |
1606 | struct mlx5e_channel *c = sq->channel; | |
1607 | ||
1608 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1609 | napi_synchronize(&c->napi); | |
1610 | ||
a43b25da | 1611 | mlx5e_destroy_sq(c->mdev, sq->sqn); |
31391048 SM |
1612 | mlx5e_free_xdpsq_descs(sq); |
1613 | mlx5e_free_xdpsq(sq); | |
f62b8bb8 AV |
1614 | } |
1615 | ||
95b6c6a5 EBE |
1616 | static int mlx5e_alloc_cq_common(struct mlx5_core_dev *mdev, |
1617 | struct mlx5e_cq_param *param, | |
1618 | struct mlx5e_cq *cq) | |
f62b8bb8 | 1619 | { |
f62b8bb8 AV |
1620 | struct mlx5_core_cq *mcq = &cq->mcq; |
1621 | int eqn_not_used; | |
0b6e26ce | 1622 | unsigned int irqn; |
f62b8bb8 AV |
1623 | int err; |
1624 | u32 i; | |
1625 | ||
f62b8bb8 AV |
1626 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
1627 | &cq->wq_ctrl); | |
1628 | if (err) | |
1629 | return err; | |
1630 | ||
1631 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
1632 | ||
f62b8bb8 AV |
1633 | mcq->cqe_sz = 64; |
1634 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
1635 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
1636 | *mcq->set_ci_db = 0; | |
1637 | *mcq->arm_db = 0; | |
1638 | mcq->vector = param->eq_ix; | |
1639 | mcq->comp = mlx5e_completion_event; | |
1640 | mcq->event = mlx5e_cq_error_event; | |
1641 | mcq->irqn = irqn; | |
f62b8bb8 AV |
1642 | |
1643 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { | |
1644 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); | |
1645 | ||
1646 | cqe->op_own = 0xf1; | |
1647 | } | |
1648 | ||
a43b25da | 1649 | cq->mdev = mdev; |
f62b8bb8 AV |
1650 | |
1651 | return 0; | |
1652 | } | |
1653 | ||
95b6c6a5 EBE |
1654 | static int mlx5e_alloc_cq(struct mlx5e_channel *c, |
1655 | struct mlx5e_cq_param *param, | |
1656 | struct mlx5e_cq *cq) | |
1657 | { | |
1658 | struct mlx5_core_dev *mdev = c->priv->mdev; | |
1659 | int err; | |
1660 | ||
231243c8 SM |
1661 | param->wq.buf_numa_node = cpu_to_node(c->cpu); |
1662 | param->wq.db_numa_node = cpu_to_node(c->cpu); | |
95b6c6a5 EBE |
1663 | param->eq_ix = c->ix; |
1664 | ||
1665 | err = mlx5e_alloc_cq_common(mdev, param, cq); | |
1666 | ||
1667 | cq->napi = &c->napi; | |
1668 | cq->channel = c; | |
1669 | ||
1670 | return err; | |
1671 | } | |
1672 | ||
3b77235b | 1673 | static void mlx5e_free_cq(struct mlx5e_cq *cq) |
f62b8bb8 | 1674 | { |
3a2f7033 | 1675 | mlx5_wq_destroy(&cq->wq_ctrl); |
f62b8bb8 AV |
1676 | } |
1677 | ||
3b77235b | 1678 | static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) |
f62b8bb8 | 1679 | { |
a43b25da | 1680 | struct mlx5_core_dev *mdev = cq->mdev; |
f62b8bb8 AV |
1681 | struct mlx5_core_cq *mcq = &cq->mcq; |
1682 | ||
1683 | void *in; | |
1684 | void *cqc; | |
1685 | int inlen; | |
0b6e26ce | 1686 | unsigned int irqn_not_used; |
f62b8bb8 AV |
1687 | int eqn; |
1688 | int err; | |
1689 | ||
1690 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + | |
3a2f7033 | 1691 | sizeof(u64) * cq->wq_ctrl.buf.npages; |
1b9a07ee | 1692 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1693 | if (!in) |
1694 | return -ENOMEM; | |
1695 | ||
1696 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); | |
1697 | ||
1698 | memcpy(cqc, param->cqc, sizeof(param->cqc)); | |
1699 | ||
3a2f7033 | 1700 | mlx5_fill_page_frag_array(&cq->wq_ctrl.buf, |
1c1b5228 | 1701 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); |
f62b8bb8 AV |
1702 | |
1703 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); | |
1704 | ||
9908aa29 | 1705 | MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode); |
f62b8bb8 | 1706 | MLX5_SET(cqc, cqc, c_eqn, eqn); |
30aa60b3 | 1707 | MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index); |
3a2f7033 | 1708 | MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - |
68cdf5d6 | 1709 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
1710 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
1711 | ||
1712 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); | |
1713 | ||
1714 | kvfree(in); | |
1715 | ||
1716 | if (err) | |
1717 | return err; | |
1718 | ||
1719 | mlx5e_cq_arm(cq); | |
1720 | ||
1721 | return 0; | |
1722 | } | |
1723 | ||
3b77235b | 1724 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) |
f62b8bb8 | 1725 | { |
a43b25da | 1726 | mlx5_core_destroy_cq(cq->mdev, &cq->mcq); |
f62b8bb8 AV |
1727 | } |
1728 | ||
1729 | static int mlx5e_open_cq(struct mlx5e_channel *c, | |
9a317425 | 1730 | struct net_dim_cq_moder moder, |
f62b8bb8 | 1731 | struct mlx5e_cq_param *param, |
6a9764ef | 1732 | struct mlx5e_cq *cq) |
f62b8bb8 | 1733 | { |
a43b25da | 1734 | struct mlx5_core_dev *mdev = c->mdev; |
f62b8bb8 | 1735 | int err; |
f62b8bb8 | 1736 | |
3b77235b | 1737 | err = mlx5e_alloc_cq(c, param, cq); |
f62b8bb8 AV |
1738 | if (err) |
1739 | return err; | |
1740 | ||
3b77235b | 1741 | err = mlx5e_create_cq(cq, param); |
f62b8bb8 | 1742 | if (err) |
3b77235b | 1743 | goto err_free_cq; |
f62b8bb8 | 1744 | |
7524a5d8 | 1745 | if (MLX5_CAP_GEN(mdev, cq_moderation)) |
6a9764ef | 1746 | mlx5_core_modify_cq_moderation(mdev, &cq->mcq, moder.usec, moder.pkts); |
f62b8bb8 AV |
1747 | return 0; |
1748 | ||
3b77235b SM |
1749 | err_free_cq: |
1750 | mlx5e_free_cq(cq); | |
f62b8bb8 AV |
1751 | |
1752 | return err; | |
1753 | } | |
1754 | ||
1755 | static void mlx5e_close_cq(struct mlx5e_cq *cq) | |
1756 | { | |
f62b8bb8 | 1757 | mlx5e_destroy_cq(cq); |
3b77235b | 1758 | mlx5e_free_cq(cq); |
f62b8bb8 AV |
1759 | } |
1760 | ||
231243c8 SM |
1761 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) |
1762 | { | |
1e86ace4 | 1763 | return cpumask_first(priv->mdev->priv.irq_info[ix + MLX5_EQ_VEC_COMP_BASE].mask); |
231243c8 SM |
1764 | } |
1765 | ||
f62b8bb8 | 1766 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, |
6a9764ef | 1767 | struct mlx5e_params *params, |
f62b8bb8 AV |
1768 | struct mlx5e_channel_param *cparam) |
1769 | { | |
f62b8bb8 AV |
1770 | int err; |
1771 | int tc; | |
1772 | ||
1773 | for (tc = 0; tc < c->num_tc; tc++) { | |
6a9764ef SM |
1774 | err = mlx5e_open_cq(c, params->tx_cq_moderation, |
1775 | &cparam->tx_cq, &c->sq[tc].cq); | |
f62b8bb8 AV |
1776 | if (err) |
1777 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
1778 | } |
1779 | ||
1780 | return 0; | |
1781 | ||
1782 | err_close_tx_cqs: | |
1783 | for (tc--; tc >= 0; tc--) | |
1784 | mlx5e_close_cq(&c->sq[tc].cq); | |
1785 | ||
1786 | return err; | |
1787 | } | |
1788 | ||
1789 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) | |
1790 | { | |
1791 | int tc; | |
1792 | ||
1793 | for (tc = 0; tc < c->num_tc; tc++) | |
1794 | mlx5e_close_cq(&c->sq[tc].cq); | |
1795 | } | |
1796 | ||
1797 | static int mlx5e_open_sqs(struct mlx5e_channel *c, | |
6a9764ef | 1798 | struct mlx5e_params *params, |
f62b8bb8 AV |
1799 | struct mlx5e_channel_param *cparam) |
1800 | { | |
05909bab | 1801 | struct mlx5e_priv *priv = c->priv; |
779d986d | 1802 | int err, tc, max_nch = mlx5e_get_netdev_max_channels(priv->netdev); |
f62b8bb8 | 1803 | |
6a9764ef | 1804 | for (tc = 0; tc < params->num_tc; tc++) { |
05909bab | 1805 | int txq_ix = c->ix + tc * max_nch; |
acc6c595 | 1806 | |
a43b25da | 1807 | err = mlx5e_open_txqsq(c, c->priv->tisn[tc], txq_ix, |
05909bab | 1808 | params, &cparam->sq, &c->sq[tc], tc); |
f62b8bb8 AV |
1809 | if (err) |
1810 | goto err_close_sqs; | |
1811 | } | |
1812 | ||
1813 | return 0; | |
1814 | ||
1815 | err_close_sqs: | |
1816 | for (tc--; tc >= 0; tc--) | |
31391048 | 1817 | mlx5e_close_txqsq(&c->sq[tc]); |
f62b8bb8 AV |
1818 | |
1819 | return err; | |
1820 | } | |
1821 | ||
1822 | static void mlx5e_close_sqs(struct mlx5e_channel *c) | |
1823 | { | |
1824 | int tc; | |
1825 | ||
1826 | for (tc = 0; tc < c->num_tc; tc++) | |
31391048 | 1827 | mlx5e_close_txqsq(&c->sq[tc]); |
f62b8bb8 AV |
1828 | } |
1829 | ||
507f0c81 | 1830 | static int mlx5e_set_sq_maxrate(struct net_device *dev, |
31391048 | 1831 | struct mlx5e_txqsq *sq, u32 rate) |
507f0c81 YP |
1832 | { |
1833 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1834 | struct mlx5_core_dev *mdev = priv->mdev; | |
33ad9711 | 1835 | struct mlx5e_modify_sq_param msp = {0}; |
05d3ac97 | 1836 | struct mlx5_rate_limit rl = {0}; |
507f0c81 YP |
1837 | u16 rl_index = 0; |
1838 | int err; | |
1839 | ||
1840 | if (rate == sq->rate_limit) | |
1841 | /* nothing to do */ | |
1842 | return 0; | |
1843 | ||
05d3ac97 BW |
1844 | if (sq->rate_limit) { |
1845 | rl.rate = sq->rate_limit; | |
507f0c81 | 1846 | /* remove current rl index to free space to next ones */ |
05d3ac97 BW |
1847 | mlx5_rl_remove_rate(mdev, &rl); |
1848 | } | |
507f0c81 YP |
1849 | |
1850 | sq->rate_limit = 0; | |
1851 | ||
1852 | if (rate) { | |
05d3ac97 BW |
1853 | rl.rate = rate; |
1854 | err = mlx5_rl_add_rate(mdev, &rl_index, &rl); | |
507f0c81 YP |
1855 | if (err) { |
1856 | netdev_err(dev, "Failed configuring rate %u: %d\n", | |
1857 | rate, err); | |
1858 | return err; | |
1859 | } | |
1860 | } | |
1861 | ||
33ad9711 SM |
1862 | msp.curr_state = MLX5_SQC_STATE_RDY; |
1863 | msp.next_state = MLX5_SQC_STATE_RDY; | |
1864 | msp.rl_index = rl_index; | |
1865 | msp.rl_update = true; | |
a43b25da | 1866 | err = mlx5e_modify_sq(mdev, sq->sqn, &msp); |
507f0c81 YP |
1867 | if (err) { |
1868 | netdev_err(dev, "Failed configuring rate %u: %d\n", | |
1869 | rate, err); | |
1870 | /* remove the rate from the table */ | |
1871 | if (rate) | |
05d3ac97 | 1872 | mlx5_rl_remove_rate(mdev, &rl); |
507f0c81 YP |
1873 | return err; |
1874 | } | |
1875 | ||
1876 | sq->rate_limit = rate; | |
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | static int mlx5e_set_tx_maxrate(struct net_device *dev, int index, u32 rate) | |
1881 | { | |
1882 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1883 | struct mlx5_core_dev *mdev = priv->mdev; | |
acc6c595 | 1884 | struct mlx5e_txqsq *sq = priv->txq2sq[index]; |
507f0c81 YP |
1885 | int err = 0; |
1886 | ||
1887 | if (!mlx5_rl_is_supported(mdev)) { | |
1888 | netdev_err(dev, "Rate limiting is not supported on this device\n"); | |
1889 | return -EINVAL; | |
1890 | } | |
1891 | ||
1892 | /* rate is given in Mb/sec, HW config is in Kb/sec */ | |
1893 | rate = rate << 10; | |
1894 | ||
1895 | /* Check whether rate in valid range, 0 is always valid */ | |
1896 | if (rate && !mlx5_rl_is_in_range(mdev, rate)) { | |
1897 | netdev_err(dev, "TX rate %u, is not in range\n", rate); | |
1898 | return -ERANGE; | |
1899 | } | |
1900 | ||
1901 | mutex_lock(&priv->state_lock); | |
1902 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
1903 | err = mlx5e_set_sq_maxrate(dev, sq, rate); | |
1904 | if (!err) | |
1905 | priv->tx_rates[index] = rate; | |
1906 | mutex_unlock(&priv->state_lock); | |
1907 | ||
1908 | return err; | |
1909 | } | |
1910 | ||
f62b8bb8 | 1911 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
6a9764ef | 1912 | struct mlx5e_params *params, |
f62b8bb8 AV |
1913 | struct mlx5e_channel_param *cparam, |
1914 | struct mlx5e_channel **cp) | |
1915 | { | |
9a317425 | 1916 | struct net_dim_cq_moder icocq_moder = {0, 0}; |
f62b8bb8 | 1917 | struct net_device *netdev = priv->netdev; |
231243c8 | 1918 | int cpu = mlx5e_get_cpu(priv, ix); |
f62b8bb8 | 1919 | struct mlx5e_channel *c; |
a8c2eb15 | 1920 | unsigned int irq; |
f62b8bb8 | 1921 | int err; |
a8c2eb15 | 1922 | int eqn; |
f62b8bb8 | 1923 | |
ca11b798 | 1924 | c = kvzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); |
f62b8bb8 AV |
1925 | if (!c) |
1926 | return -ENOMEM; | |
1927 | ||
1928 | c->priv = priv; | |
a43b25da SM |
1929 | c->mdev = priv->mdev; |
1930 | c->tstamp = &priv->tstamp; | |
f62b8bb8 | 1931 | c->ix = ix; |
231243c8 | 1932 | c->cpu = cpu; |
f62b8bb8 AV |
1933 | c->pdev = &priv->mdev->pdev->dev; |
1934 | c->netdev = priv->netdev; | |
b50d292b | 1935 | c->mkey_be = cpu_to_be32(priv->mdev->mlx5e_res.mkey.key); |
6a9764ef SM |
1936 | c->num_tc = params->num_tc; |
1937 | c->xdp = !!params->xdp_prog; | |
05909bab | 1938 | c->stats = &priv->channel_stats[ix].ch; |
cb3c7fd4 | 1939 | |
a8c2eb15 TT |
1940 | mlx5_vector2eqn(priv->mdev, ix, &eqn, &irq); |
1941 | c->irq_desc = irq_to_desc(irq); | |
1942 | ||
f62b8bb8 AV |
1943 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
1944 | ||
6a9764ef | 1945 | err = mlx5e_open_cq(c, icocq_moder, &cparam->icosq_cq, &c->icosq.cq); |
f62b8bb8 AV |
1946 | if (err) |
1947 | goto err_napi_del; | |
1948 | ||
6a9764ef | 1949 | err = mlx5e_open_tx_cqs(c, params, cparam); |
d3c9bc27 TT |
1950 | if (err) |
1951 | goto err_close_icosq_cq; | |
1952 | ||
58b99ee3 | 1953 | err = mlx5e_open_cq(c, params->tx_cq_moderation, &cparam->tx_cq, &c->xdpsq.cq); |
f62b8bb8 AV |
1954 | if (err) |
1955 | goto err_close_tx_cqs; | |
f62b8bb8 | 1956 | |
58b99ee3 TT |
1957 | err = mlx5e_open_cq(c, params->rx_cq_moderation, &cparam->rx_cq, &c->rq.cq); |
1958 | if (err) | |
1959 | goto err_close_xdp_tx_cqs; | |
1960 | ||
d7a0ecab | 1961 | /* XDP SQ CQ params are same as normal TXQ sq CQ params */ |
6a9764ef SM |
1962 | err = c->xdp ? mlx5e_open_cq(c, params->tx_cq_moderation, |
1963 | &cparam->tx_cq, &c->rq.xdpsq.cq) : 0; | |
d7a0ecab SM |
1964 | if (err) |
1965 | goto err_close_rx_cq; | |
1966 | ||
f62b8bb8 AV |
1967 | napi_enable(&c->napi); |
1968 | ||
6a9764ef | 1969 | err = mlx5e_open_icosq(c, params, &cparam->icosq, &c->icosq); |
f62b8bb8 AV |
1970 | if (err) |
1971 | goto err_disable_napi; | |
1972 | ||
6a9764ef | 1973 | err = mlx5e_open_sqs(c, params, cparam); |
d3c9bc27 TT |
1974 | if (err) |
1975 | goto err_close_icosq; | |
1976 | ||
58b99ee3 | 1977 | err = c->xdp ? mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, &c->rq.xdpsq, false) : 0; |
d7a0ecab SM |
1978 | if (err) |
1979 | goto err_close_sqs; | |
b5503b99 | 1980 | |
6a9764ef | 1981 | err = mlx5e_open_rq(c, params, &cparam->rq, &c->rq); |
f62b8bb8 | 1982 | if (err) |
b5503b99 | 1983 | goto err_close_xdp_sq; |
f62b8bb8 | 1984 | |
58b99ee3 TT |
1985 | err = mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, &c->xdpsq, true); |
1986 | if (err) | |
1987 | goto err_close_rq; | |
1988 | ||
f62b8bb8 AV |
1989 | *cp = c; |
1990 | ||
1991 | return 0; | |
58b99ee3 TT |
1992 | |
1993 | err_close_rq: | |
1994 | mlx5e_close_rq(&c->rq); | |
1995 | ||
b5503b99 | 1996 | err_close_xdp_sq: |
d7a0ecab | 1997 | if (c->xdp) |
31391048 | 1998 | mlx5e_close_xdpsq(&c->rq.xdpsq); |
f62b8bb8 AV |
1999 | |
2000 | err_close_sqs: | |
2001 | mlx5e_close_sqs(c); | |
2002 | ||
d3c9bc27 | 2003 | err_close_icosq: |
31391048 | 2004 | mlx5e_close_icosq(&c->icosq); |
d3c9bc27 | 2005 | |
f62b8bb8 AV |
2006 | err_disable_napi: |
2007 | napi_disable(&c->napi); | |
d7a0ecab | 2008 | if (c->xdp) |
31871f87 | 2009 | mlx5e_close_cq(&c->rq.xdpsq.cq); |
d7a0ecab SM |
2010 | |
2011 | err_close_rx_cq: | |
f62b8bb8 AV |
2012 | mlx5e_close_cq(&c->rq.cq); |
2013 | ||
58b99ee3 TT |
2014 | err_close_xdp_tx_cqs: |
2015 | mlx5e_close_cq(&c->xdpsq.cq); | |
2016 | ||
f62b8bb8 AV |
2017 | err_close_tx_cqs: |
2018 | mlx5e_close_tx_cqs(c); | |
2019 | ||
d3c9bc27 TT |
2020 | err_close_icosq_cq: |
2021 | mlx5e_close_cq(&c->icosq.cq); | |
2022 | ||
f62b8bb8 AV |
2023 | err_napi_del: |
2024 | netif_napi_del(&c->napi); | |
ca11b798 | 2025 | kvfree(c); |
f62b8bb8 AV |
2026 | |
2027 | return err; | |
2028 | } | |
2029 | ||
acc6c595 SM |
2030 | static void mlx5e_activate_channel(struct mlx5e_channel *c) |
2031 | { | |
2032 | int tc; | |
2033 | ||
2034 | for (tc = 0; tc < c->num_tc; tc++) | |
2035 | mlx5e_activate_txqsq(&c->sq[tc]); | |
2036 | mlx5e_activate_rq(&c->rq); | |
231243c8 | 2037 | netif_set_xps_queue(c->netdev, get_cpu_mask(c->cpu), c->ix); |
acc6c595 SM |
2038 | } |
2039 | ||
2040 | static void mlx5e_deactivate_channel(struct mlx5e_channel *c) | |
2041 | { | |
2042 | int tc; | |
2043 | ||
2044 | mlx5e_deactivate_rq(&c->rq); | |
2045 | for (tc = 0; tc < c->num_tc; tc++) | |
2046 | mlx5e_deactivate_txqsq(&c->sq[tc]); | |
2047 | } | |
2048 | ||
f62b8bb8 AV |
2049 | static void mlx5e_close_channel(struct mlx5e_channel *c) |
2050 | { | |
58b99ee3 | 2051 | mlx5e_close_xdpsq(&c->xdpsq); |
f62b8bb8 | 2052 | mlx5e_close_rq(&c->rq); |
b5503b99 | 2053 | if (c->xdp) |
31391048 | 2054 | mlx5e_close_xdpsq(&c->rq.xdpsq); |
f62b8bb8 | 2055 | mlx5e_close_sqs(c); |
31391048 | 2056 | mlx5e_close_icosq(&c->icosq); |
f62b8bb8 | 2057 | napi_disable(&c->napi); |
b5503b99 | 2058 | if (c->xdp) |
31871f87 | 2059 | mlx5e_close_cq(&c->rq.xdpsq.cq); |
f62b8bb8 | 2060 | mlx5e_close_cq(&c->rq.cq); |
58b99ee3 | 2061 | mlx5e_close_cq(&c->xdpsq.cq); |
f62b8bb8 | 2062 | mlx5e_close_tx_cqs(c); |
d3c9bc27 | 2063 | mlx5e_close_cq(&c->icosq.cq); |
f62b8bb8 | 2064 | netif_napi_del(&c->napi); |
7ae92ae5 | 2065 | |
ca11b798 | 2066 | kvfree(c); |
f62b8bb8 AV |
2067 | } |
2068 | ||
069d1146 TT |
2069 | #define DEFAULT_FRAG_SIZE (2048) |
2070 | ||
2071 | static void mlx5e_build_rq_frags_info(struct mlx5_core_dev *mdev, | |
2072 | struct mlx5e_params *params, | |
2073 | struct mlx5e_rq_frags_info *info) | |
2074 | { | |
2075 | u32 byte_count = MLX5E_SW2HW_MTU(params, params->sw_mtu); | |
2076 | int frag_size_max = DEFAULT_FRAG_SIZE; | |
2077 | u32 buf_size = 0; | |
2078 | int i; | |
2079 | ||
2080 | #ifdef CONFIG_MLX5_EN_IPSEC | |
2081 | if (MLX5_IPSEC_DEV(mdev)) | |
2082 | byte_count += MLX5E_METADATA_ETHER_LEN; | |
2083 | #endif | |
2084 | ||
2085 | if (mlx5e_rx_is_linear_skb(mdev, params)) { | |
2086 | int frag_stride; | |
2087 | ||
2088 | frag_stride = mlx5e_rx_get_linear_frag_sz(params); | |
2089 | frag_stride = roundup_pow_of_two(frag_stride); | |
2090 | ||
2091 | info->arr[0].frag_size = byte_count; | |
2092 | info->arr[0].frag_stride = frag_stride; | |
2093 | info->num_frags = 1; | |
2094 | info->wqe_bulk = PAGE_SIZE / frag_stride; | |
2095 | goto out; | |
2096 | } | |
2097 | ||
2098 | if (byte_count > PAGE_SIZE + | |
2099 | (MLX5E_MAX_RX_FRAGS - 1) * frag_size_max) | |
2100 | frag_size_max = PAGE_SIZE; | |
2101 | ||
2102 | i = 0; | |
2103 | while (buf_size < byte_count) { | |
2104 | int frag_size = byte_count - buf_size; | |
2105 | ||
2106 | if (i < MLX5E_MAX_RX_FRAGS - 1) | |
2107 | frag_size = min(frag_size, frag_size_max); | |
2108 | ||
2109 | info->arr[i].frag_size = frag_size; | |
2110 | info->arr[i].frag_stride = roundup_pow_of_two(frag_size); | |
2111 | ||
2112 | buf_size += frag_size; | |
2113 | i++; | |
2114 | } | |
2115 | info->num_frags = i; | |
2116 | /* number of different wqes sharing a page */ | |
2117 | info->wqe_bulk = 1 + (info->num_frags % 2); | |
2118 | ||
2119 | out: | |
2120 | info->wqe_bulk = max_t(u8, info->wqe_bulk, 8); | |
2121 | info->log_num_frags = order_base_2(info->num_frags); | |
2122 | } | |
2123 | ||
99cbfa93 TT |
2124 | static inline u8 mlx5e_get_rqwq_log_stride(u8 wq_type, int ndsegs) |
2125 | { | |
2126 | int sz = sizeof(struct mlx5_wqe_data_seg) * ndsegs; | |
2127 | ||
2128 | switch (wq_type) { | |
2129 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
2130 | sz += sizeof(struct mlx5e_rx_wqe_ll); | |
2131 | break; | |
2132 | default: /* MLX5_WQ_TYPE_CYCLIC */ | |
2133 | sz += sizeof(struct mlx5e_rx_wqe_cyc); | |
2134 | } | |
2135 | ||
2136 | return order_base_2(sz); | |
2137 | } | |
2138 | ||
f62b8bb8 | 2139 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, |
6a9764ef | 2140 | struct mlx5e_params *params, |
f62b8bb8 AV |
2141 | struct mlx5e_rq_param *param) |
2142 | { | |
f1e4fc9b | 2143 | struct mlx5_core_dev *mdev = priv->mdev; |
f62b8bb8 AV |
2144 | void *rqc = param->rqc; |
2145 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
99cbfa93 | 2146 | int ndsegs = 1; |
f62b8bb8 | 2147 | |
6a9764ef | 2148 | switch (params->rq_wq_type) { |
461017cb | 2149 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
f1e4fc9b | 2150 | MLX5_SET(wq, wq, log_wqe_num_of_strides, |
619a8f2a TT |
2151 | mlx5e_mpwqe_get_log_num_strides(mdev, params) - |
2152 | MLX5_MPWQE_LOG_NUM_STRIDES_BASE); | |
f1e4fc9b | 2153 | MLX5_SET(wq, wq, log_wqe_stride_size, |
619a8f2a TT |
2154 | mlx5e_mpwqe_get_log_stride_size(mdev, params) - |
2155 | MLX5_MPWQE_LOG_STRIDE_SZ_BASE); | |
73281b78 | 2156 | MLX5_SET(wq, wq, log_wq_sz, mlx5e_mpwqe_get_log_rq_size(params)); |
461017cb | 2157 | break; |
99cbfa93 | 2158 | default: /* MLX5_WQ_TYPE_CYCLIC */ |
73281b78 | 2159 | MLX5_SET(wq, wq, log_wq_sz, params->log_rq_mtu_frames); |
069d1146 TT |
2160 | mlx5e_build_rq_frags_info(mdev, params, ¶m->frags_info); |
2161 | ndsegs = param->frags_info.num_frags; | |
461017cb TT |
2162 | } |
2163 | ||
99cbfa93 | 2164 | MLX5_SET(wq, wq, wq_type, params->rq_wq_type); |
f62b8bb8 | 2165 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); |
99cbfa93 TT |
2166 | MLX5_SET(wq, wq, log_wq_stride, |
2167 | mlx5e_get_rqwq_log_stride(params->rq_wq_type, ndsegs)); | |
f1e4fc9b | 2168 | MLX5_SET(wq, wq, pd, mdev->mlx5e_res.pdn); |
593cf338 | 2169 | MLX5_SET(rqc, rqc, counter_set_id, priv->q_counter); |
6a9764ef | 2170 | MLX5_SET(rqc, rqc, vsd, params->vlan_strip_disable); |
102722fc | 2171 | MLX5_SET(rqc, rqc, scatter_fcs, params->scatter_fcs_en); |
f62b8bb8 | 2172 | |
f1e4fc9b | 2173 | param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev); |
f62b8bb8 AV |
2174 | } |
2175 | ||
7cbaf9a3 | 2176 | static void mlx5e_build_drop_rq_param(struct mlx5e_priv *priv, |
2f0db879 | 2177 | struct mlx5e_rq_param *param) |
556dd1b9 | 2178 | { |
7cbaf9a3 | 2179 | struct mlx5_core_dev *mdev = priv->mdev; |
556dd1b9 TT |
2180 | void *rqc = param->rqc; |
2181 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
2182 | ||
99cbfa93 TT |
2183 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); |
2184 | MLX5_SET(wq, wq, log_wq_stride, | |
2185 | mlx5e_get_rqwq_log_stride(MLX5_WQ_TYPE_CYCLIC, 1)); | |
7cbaf9a3 | 2186 | MLX5_SET(rqc, rqc, counter_set_id, priv->drop_rq_q_counter); |
2f0db879 GP |
2187 | |
2188 | param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev); | |
556dd1b9 TT |
2189 | } |
2190 | ||
d3c9bc27 TT |
2191 | static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, |
2192 | struct mlx5e_sq_param *param) | |
f62b8bb8 AV |
2193 | { |
2194 | void *sqc = param->sqc; | |
2195 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2196 | ||
f62b8bb8 | 2197 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); |
b50d292b | 2198 | MLX5_SET(wq, wq, pd, priv->mdev->mlx5e_res.pdn); |
f62b8bb8 | 2199 | |
311c7c71 | 2200 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
d3c9bc27 TT |
2201 | } |
2202 | ||
2203 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, | |
6a9764ef | 2204 | struct mlx5e_params *params, |
d3c9bc27 TT |
2205 | struct mlx5e_sq_param *param) |
2206 | { | |
2207 | void *sqc = param->sqc; | |
2208 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2209 | ||
2210 | mlx5e_build_sq_param_common(priv, param); | |
6a9764ef | 2211 | MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size); |
2ac9cfe7 | 2212 | MLX5_SET(sqc, sqc, allow_swp, !!MLX5_IPSEC_DEV(priv->mdev)); |
f62b8bb8 AV |
2213 | } |
2214 | ||
2215 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, | |
2216 | struct mlx5e_cq_param *param) | |
2217 | { | |
2218 | void *cqc = param->cqc; | |
2219 | ||
30aa60b3 | 2220 | MLX5_SET(cqc, cqc, uar_page, priv->mdev->priv.uar->index); |
f62b8bb8 AV |
2221 | } |
2222 | ||
2223 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, | |
6a9764ef | 2224 | struct mlx5e_params *params, |
f62b8bb8 AV |
2225 | struct mlx5e_cq_param *param) |
2226 | { | |
73281b78 | 2227 | struct mlx5_core_dev *mdev = priv->mdev; |
f62b8bb8 | 2228 | void *cqc = param->cqc; |
461017cb | 2229 | u8 log_cq_size; |
f62b8bb8 | 2230 | |
6a9764ef | 2231 | switch (params->rq_wq_type) { |
461017cb | 2232 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
73281b78 TT |
2233 | log_cq_size = mlx5e_mpwqe_get_log_rq_size(params) + |
2234 | mlx5e_mpwqe_get_log_num_strides(mdev, params); | |
461017cb | 2235 | break; |
99cbfa93 | 2236 | default: /* MLX5_WQ_TYPE_CYCLIC */ |
73281b78 | 2237 | log_cq_size = params->log_rq_mtu_frames; |
461017cb TT |
2238 | } |
2239 | ||
2240 | MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); | |
6a9764ef | 2241 | if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) { |
7219ab34 TT |
2242 | MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); |
2243 | MLX5_SET(cqc, cqc, cqe_comp_en, 1); | |
2244 | } | |
f62b8bb8 AV |
2245 | |
2246 | mlx5e_build_common_cq_param(priv, param); | |
0088cbbc | 2247 | param->cq_period_mode = params->rx_cq_moderation.cq_period_mode; |
f62b8bb8 AV |
2248 | } |
2249 | ||
2250 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, | |
6a9764ef | 2251 | struct mlx5e_params *params, |
f62b8bb8 AV |
2252 | struct mlx5e_cq_param *param) |
2253 | { | |
2254 | void *cqc = param->cqc; | |
2255 | ||
6a9764ef | 2256 | MLX5_SET(cqc, cqc, log_cq_size, params->log_sq_size); |
f62b8bb8 AV |
2257 | |
2258 | mlx5e_build_common_cq_param(priv, param); | |
0088cbbc | 2259 | param->cq_period_mode = params->tx_cq_moderation.cq_period_mode; |
f62b8bb8 AV |
2260 | } |
2261 | ||
d3c9bc27 | 2262 | static void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv, |
6a9764ef SM |
2263 | u8 log_wq_size, |
2264 | struct mlx5e_cq_param *param) | |
d3c9bc27 TT |
2265 | { |
2266 | void *cqc = param->cqc; | |
2267 | ||
2268 | MLX5_SET(cqc, cqc, log_cq_size, log_wq_size); | |
2269 | ||
2270 | mlx5e_build_common_cq_param(priv, param); | |
9908aa29 | 2271 | |
9a317425 | 2272 | param->cq_period_mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE; |
d3c9bc27 TT |
2273 | } |
2274 | ||
2275 | static void mlx5e_build_icosq_param(struct mlx5e_priv *priv, | |
6a9764ef SM |
2276 | u8 log_wq_size, |
2277 | struct mlx5e_sq_param *param) | |
d3c9bc27 TT |
2278 | { |
2279 | void *sqc = param->sqc; | |
2280 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2281 | ||
2282 | mlx5e_build_sq_param_common(priv, param); | |
2283 | ||
2284 | MLX5_SET(wq, wq, log_wq_sz, log_wq_size); | |
bc77b240 | 2285 | MLX5_SET(sqc, sqc, reg_umr, MLX5_CAP_ETH(priv->mdev, reg_umr_sq)); |
d3c9bc27 TT |
2286 | } |
2287 | ||
b5503b99 | 2288 | static void mlx5e_build_xdpsq_param(struct mlx5e_priv *priv, |
6a9764ef | 2289 | struct mlx5e_params *params, |
b5503b99 SM |
2290 | struct mlx5e_sq_param *param) |
2291 | { | |
2292 | void *sqc = param->sqc; | |
2293 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2294 | ||
2295 | mlx5e_build_sq_param_common(priv, param); | |
6a9764ef | 2296 | MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size); |
b5503b99 SM |
2297 | } |
2298 | ||
6a9764ef SM |
2299 | static void mlx5e_build_channel_param(struct mlx5e_priv *priv, |
2300 | struct mlx5e_params *params, | |
2301 | struct mlx5e_channel_param *cparam) | |
f62b8bb8 | 2302 | { |
bc77b240 | 2303 | u8 icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE; |
d3c9bc27 | 2304 | |
6a9764ef SM |
2305 | mlx5e_build_rq_param(priv, params, &cparam->rq); |
2306 | mlx5e_build_sq_param(priv, params, &cparam->sq); | |
2307 | mlx5e_build_xdpsq_param(priv, params, &cparam->xdp_sq); | |
2308 | mlx5e_build_icosq_param(priv, icosq_log_wq_sz, &cparam->icosq); | |
2309 | mlx5e_build_rx_cq_param(priv, params, &cparam->rx_cq); | |
2310 | mlx5e_build_tx_cq_param(priv, params, &cparam->tx_cq); | |
2311 | mlx5e_build_ico_cq_param(priv, icosq_log_wq_sz, &cparam->icosq_cq); | |
f62b8bb8 AV |
2312 | } |
2313 | ||
55c2503d SM |
2314 | int mlx5e_open_channels(struct mlx5e_priv *priv, |
2315 | struct mlx5e_channels *chs) | |
f62b8bb8 | 2316 | { |
6b87663f | 2317 | struct mlx5e_channel_param *cparam; |
03289b88 | 2318 | int err = -ENOMEM; |
f62b8bb8 | 2319 | int i; |
f62b8bb8 | 2320 | |
6a9764ef | 2321 | chs->num = chs->params.num_channels; |
03289b88 | 2322 | |
ff9c852f | 2323 | chs->c = kcalloc(chs->num, sizeof(struct mlx5e_channel *), GFP_KERNEL); |
ca11b798 | 2324 | cparam = kvzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL); |
acc6c595 SM |
2325 | if (!chs->c || !cparam) |
2326 | goto err_free; | |
f62b8bb8 | 2327 | |
6a9764ef | 2328 | mlx5e_build_channel_param(priv, &chs->params, cparam); |
ff9c852f | 2329 | for (i = 0; i < chs->num; i++) { |
6a9764ef | 2330 | err = mlx5e_open_channel(priv, i, &chs->params, cparam, &chs->c[i]); |
f62b8bb8 AV |
2331 | if (err) |
2332 | goto err_close_channels; | |
2333 | } | |
2334 | ||
ca11b798 | 2335 | kvfree(cparam); |
f62b8bb8 AV |
2336 | return 0; |
2337 | ||
2338 | err_close_channels: | |
2339 | for (i--; i >= 0; i--) | |
ff9c852f | 2340 | mlx5e_close_channel(chs->c[i]); |
f62b8bb8 | 2341 | |
acc6c595 | 2342 | err_free: |
ff9c852f | 2343 | kfree(chs->c); |
ca11b798 | 2344 | kvfree(cparam); |
ff9c852f | 2345 | chs->num = 0; |
f62b8bb8 AV |
2346 | return err; |
2347 | } | |
2348 | ||
acc6c595 | 2349 | static void mlx5e_activate_channels(struct mlx5e_channels *chs) |
f62b8bb8 AV |
2350 | { |
2351 | int i; | |
2352 | ||
acc6c595 SM |
2353 | for (i = 0; i < chs->num; i++) |
2354 | mlx5e_activate_channel(chs->c[i]); | |
2355 | } | |
2356 | ||
2357 | static int mlx5e_wait_channels_min_rx_wqes(struct mlx5e_channels *chs) | |
2358 | { | |
2359 | int err = 0; | |
2360 | int i; | |
2361 | ||
1e7477ae EBE |
2362 | for (i = 0; i < chs->num; i++) |
2363 | err |= mlx5e_wait_for_min_rx_wqes(&chs->c[i]->rq, | |
2364 | err ? 0 : 20000); | |
acc6c595 | 2365 | |
1e7477ae | 2366 | return err ? -ETIMEDOUT : 0; |
acc6c595 SM |
2367 | } |
2368 | ||
2369 | static void mlx5e_deactivate_channels(struct mlx5e_channels *chs) | |
2370 | { | |
2371 | int i; | |
2372 | ||
2373 | for (i = 0; i < chs->num; i++) | |
2374 | mlx5e_deactivate_channel(chs->c[i]); | |
2375 | } | |
2376 | ||
55c2503d | 2377 | void mlx5e_close_channels(struct mlx5e_channels *chs) |
acc6c595 SM |
2378 | { |
2379 | int i; | |
c3b7c5c9 | 2380 | |
ff9c852f SM |
2381 | for (i = 0; i < chs->num; i++) |
2382 | mlx5e_close_channel(chs->c[i]); | |
f62b8bb8 | 2383 | |
ff9c852f SM |
2384 | kfree(chs->c); |
2385 | chs->num = 0; | |
f62b8bb8 AV |
2386 | } |
2387 | ||
a5f97fee SM |
2388 | static int |
2389 | mlx5e_create_rqt(struct mlx5e_priv *priv, int sz, struct mlx5e_rqt *rqt) | |
f62b8bb8 AV |
2390 | { |
2391 | struct mlx5_core_dev *mdev = priv->mdev; | |
f62b8bb8 AV |
2392 | void *rqtc; |
2393 | int inlen; | |
2394 | int err; | |
1da36696 | 2395 | u32 *in; |
a5f97fee | 2396 | int i; |
f62b8bb8 | 2397 | |
f62b8bb8 | 2398 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
1b9a07ee | 2399 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
2400 | if (!in) |
2401 | return -ENOMEM; | |
2402 | ||
2403 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
2404 | ||
2405 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
2406 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
2407 | ||
a5f97fee SM |
2408 | for (i = 0; i < sz; i++) |
2409 | MLX5_SET(rqtc, rqtc, rq_num[i], priv->drop_rq.rqn); | |
2be6967c | 2410 | |
398f3351 HHZ |
2411 | err = mlx5_core_create_rqt(mdev, in, inlen, &rqt->rqtn); |
2412 | if (!err) | |
2413 | rqt->enabled = true; | |
f62b8bb8 AV |
2414 | |
2415 | kvfree(in); | |
1da36696 TT |
2416 | return err; |
2417 | } | |
2418 | ||
cb67b832 | 2419 | void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt) |
1da36696 | 2420 | { |
398f3351 HHZ |
2421 | rqt->enabled = false; |
2422 | mlx5_core_destroy_rqt(priv->mdev, rqt->rqtn); | |
1da36696 TT |
2423 | } |
2424 | ||
8f493ffd | 2425 | int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv) |
6bfd390b HHZ |
2426 | { |
2427 | struct mlx5e_rqt *rqt = &priv->indir_rqt; | |
8f493ffd | 2428 | int err; |
6bfd390b | 2429 | |
8f493ffd SM |
2430 | err = mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, rqt); |
2431 | if (err) | |
2432 | mlx5_core_warn(priv->mdev, "create indirect rqts failed, %d\n", err); | |
2433 | return err; | |
6bfd390b HHZ |
2434 | } |
2435 | ||
cb67b832 | 2436 | int mlx5e_create_direct_rqts(struct mlx5e_priv *priv) |
1da36696 | 2437 | { |
398f3351 | 2438 | struct mlx5e_rqt *rqt; |
1da36696 TT |
2439 | int err; |
2440 | int ix; | |
2441 | ||
779d986d | 2442 | for (ix = 0; ix < mlx5e_get_netdev_max_channels(priv->netdev); ix++) { |
398f3351 | 2443 | rqt = &priv->direct_tir[ix].rqt; |
a5f97fee | 2444 | err = mlx5e_create_rqt(priv, 1 /*size */, rqt); |
1da36696 TT |
2445 | if (err) |
2446 | goto err_destroy_rqts; | |
2447 | } | |
2448 | ||
2449 | return 0; | |
2450 | ||
2451 | err_destroy_rqts: | |
8f493ffd | 2452 | mlx5_core_warn(priv->mdev, "create direct rqts failed, %d\n", err); |
1da36696 | 2453 | for (ix--; ix >= 0; ix--) |
398f3351 | 2454 | mlx5e_destroy_rqt(priv, &priv->direct_tir[ix].rqt); |
1da36696 | 2455 | |
f62b8bb8 AV |
2456 | return err; |
2457 | } | |
2458 | ||
8f493ffd SM |
2459 | void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv) |
2460 | { | |
2461 | int i; | |
2462 | ||
779d986d | 2463 | for (i = 0; i < mlx5e_get_netdev_max_channels(priv->netdev); i++) |
8f493ffd SM |
2464 | mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); |
2465 | } | |
2466 | ||
a5f97fee SM |
2467 | static int mlx5e_rx_hash_fn(int hfunc) |
2468 | { | |
2469 | return (hfunc == ETH_RSS_HASH_TOP) ? | |
2470 | MLX5_RX_HASH_FN_TOEPLITZ : | |
2471 | MLX5_RX_HASH_FN_INVERTED_XOR8; | |
2472 | } | |
2473 | ||
3f6d08d1 | 2474 | int mlx5e_bits_invert(unsigned long a, int size) |
a5f97fee SM |
2475 | { |
2476 | int inv = 0; | |
2477 | int i; | |
2478 | ||
2479 | for (i = 0; i < size; i++) | |
2480 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; | |
2481 | ||
2482 | return inv; | |
2483 | } | |
2484 | ||
2485 | static void mlx5e_fill_rqt_rqns(struct mlx5e_priv *priv, int sz, | |
2486 | struct mlx5e_redirect_rqt_param rrp, void *rqtc) | |
2487 | { | |
2488 | int i; | |
2489 | ||
2490 | for (i = 0; i < sz; i++) { | |
2491 | u32 rqn; | |
2492 | ||
2493 | if (rrp.is_rss) { | |
2494 | int ix = i; | |
2495 | ||
2496 | if (rrp.rss.hfunc == ETH_RSS_HASH_XOR) | |
2497 | ix = mlx5e_bits_invert(i, ilog2(sz)); | |
2498 | ||
6a9764ef | 2499 | ix = priv->channels.params.indirection_rqt[ix]; |
a5f97fee SM |
2500 | rqn = rrp.rss.channels->c[ix]->rq.rqn; |
2501 | } else { | |
2502 | rqn = rrp.rqn; | |
2503 | } | |
2504 | MLX5_SET(rqtc, rqtc, rq_num[i], rqn); | |
2505 | } | |
2506 | } | |
2507 | ||
2508 | int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, | |
2509 | struct mlx5e_redirect_rqt_param rrp) | |
5c50368f AS |
2510 | { |
2511 | struct mlx5_core_dev *mdev = priv->mdev; | |
5c50368f AS |
2512 | void *rqtc; |
2513 | int inlen; | |
1da36696 | 2514 | u32 *in; |
5c50368f AS |
2515 | int err; |
2516 | ||
5c50368f | 2517 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; |
1b9a07ee | 2518 | in = kvzalloc(inlen, GFP_KERNEL); |
5c50368f AS |
2519 | if (!in) |
2520 | return -ENOMEM; | |
2521 | ||
2522 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); | |
2523 | ||
2524 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
5c50368f | 2525 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); |
a5f97fee | 2526 | mlx5e_fill_rqt_rqns(priv, sz, rrp, rqtc); |
1da36696 | 2527 | err = mlx5_core_modify_rqt(mdev, rqtn, in, inlen); |
5c50368f AS |
2528 | |
2529 | kvfree(in); | |
5c50368f AS |
2530 | return err; |
2531 | } | |
2532 | ||
a5f97fee SM |
2533 | static u32 mlx5e_get_direct_rqn(struct mlx5e_priv *priv, int ix, |
2534 | struct mlx5e_redirect_rqt_param rrp) | |
2535 | { | |
2536 | if (!rrp.is_rss) | |
2537 | return rrp.rqn; | |
2538 | ||
2539 | if (ix >= rrp.rss.channels->num) | |
2540 | return priv->drop_rq.rqn; | |
2541 | ||
2542 | return rrp.rss.channels->c[ix]->rq.rqn; | |
2543 | } | |
2544 | ||
2545 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv, | |
2546 | struct mlx5e_redirect_rqt_param rrp) | |
40ab6a6e | 2547 | { |
1da36696 TT |
2548 | u32 rqtn; |
2549 | int ix; | |
2550 | ||
398f3351 | 2551 | if (priv->indir_rqt.enabled) { |
a5f97fee | 2552 | /* RSS RQ table */ |
398f3351 | 2553 | rqtn = priv->indir_rqt.rqtn; |
a5f97fee | 2554 | mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp); |
398f3351 HHZ |
2555 | } |
2556 | ||
779d986d | 2557 | for (ix = 0; ix < mlx5e_get_netdev_max_channels(priv->netdev); ix++) { |
a5f97fee SM |
2558 | struct mlx5e_redirect_rqt_param direct_rrp = { |
2559 | .is_rss = false, | |
95632791 AM |
2560 | { |
2561 | .rqn = mlx5e_get_direct_rqn(priv, ix, rrp) | |
2562 | }, | |
a5f97fee SM |
2563 | }; |
2564 | ||
2565 | /* Direct RQ Tables */ | |
398f3351 HHZ |
2566 | if (!priv->direct_tir[ix].rqt.enabled) |
2567 | continue; | |
a5f97fee | 2568 | |
398f3351 | 2569 | rqtn = priv->direct_tir[ix].rqt.rqtn; |
a5f97fee | 2570 | mlx5e_redirect_rqt(priv, rqtn, 1, direct_rrp); |
1da36696 | 2571 | } |
40ab6a6e AS |
2572 | } |
2573 | ||
a5f97fee SM |
2574 | static void mlx5e_redirect_rqts_to_channels(struct mlx5e_priv *priv, |
2575 | struct mlx5e_channels *chs) | |
2576 | { | |
2577 | struct mlx5e_redirect_rqt_param rrp = { | |
2578 | .is_rss = true, | |
95632791 AM |
2579 | { |
2580 | .rss = { | |
2581 | .channels = chs, | |
2582 | .hfunc = chs->params.rss_hfunc, | |
2583 | } | |
2584 | }, | |
a5f97fee SM |
2585 | }; |
2586 | ||
2587 | mlx5e_redirect_rqts(priv, rrp); | |
2588 | } | |
2589 | ||
2590 | static void mlx5e_redirect_rqts_to_drop(struct mlx5e_priv *priv) | |
2591 | { | |
2592 | struct mlx5e_redirect_rqt_param drop_rrp = { | |
2593 | .is_rss = false, | |
95632791 AM |
2594 | { |
2595 | .rqn = priv->drop_rq.rqn, | |
2596 | }, | |
a5f97fee SM |
2597 | }; |
2598 | ||
2599 | mlx5e_redirect_rqts(priv, drop_rrp); | |
2600 | } | |
2601 | ||
6a9764ef | 2602 | static void mlx5e_build_tir_ctx_lro(struct mlx5e_params *params, void *tirc) |
5c50368f | 2603 | { |
6a9764ef | 2604 | if (!params->lro_en) |
5c50368f AS |
2605 | return; |
2606 | ||
2607 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 | |
2608 | ||
2609 | MLX5_SET(tirc, tirc, lro_enable_mask, | |
2610 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | | |
2611 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); | |
2612 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, | |
6a9764ef SM |
2613 | (params->lro_wqe_sz - ROUGH_MAX_L2_L3_HDR_SZ) >> 8); |
2614 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, params->lro_timeout); | |
5c50368f AS |
2615 | } |
2616 | ||
6a9764ef SM |
2617 | void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params, |
2618 | enum mlx5e_traffic_types tt, | |
7b3722fa | 2619 | void *tirc, bool inner) |
bdfc028d | 2620 | { |
7b3722fa GP |
2621 | void *hfso = inner ? MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner) : |
2622 | MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); | |
a100ff3e GP |
2623 | |
2624 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2625 | MLX5_HASH_FIELD_SEL_DST_IP) | |
2626 | ||
2627 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2628 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
2629 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ | |
2630 | MLX5_HASH_FIELD_SEL_L4_DPORT) | |
2631 | ||
2632 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2633 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
2634 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) | |
2635 | ||
6a9764ef SM |
2636 | MLX5_SET(tirc, tirc, rx_hash_fn, mlx5e_rx_hash_fn(params->rss_hfunc)); |
2637 | if (params->rss_hfunc == ETH_RSS_HASH_TOP) { | |
bdfc028d TT |
2638 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, |
2639 | rx_hash_toeplitz_key); | |
2640 | size_t len = MLX5_FLD_SZ_BYTES(tirc, | |
2641 | rx_hash_toeplitz_key); | |
2642 | ||
2643 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
6a9764ef | 2644 | memcpy(rss_key, params->toeplitz_hash_key, len); |
bdfc028d | 2645 | } |
a100ff3e GP |
2646 | |
2647 | switch (tt) { | |
2648 | case MLX5E_TT_IPV4_TCP: | |
2649 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2650 | MLX5_L3_PROT_TYPE_IPV4); | |
2651 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2652 | MLX5_L4_PROT_TYPE_TCP); | |
2653 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2654 | MLX5_HASH_IP_L4PORTS); | |
2655 | break; | |
2656 | ||
2657 | case MLX5E_TT_IPV6_TCP: | |
2658 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2659 | MLX5_L3_PROT_TYPE_IPV6); | |
2660 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2661 | MLX5_L4_PROT_TYPE_TCP); | |
2662 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2663 | MLX5_HASH_IP_L4PORTS); | |
2664 | break; | |
2665 | ||
2666 | case MLX5E_TT_IPV4_UDP: | |
2667 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2668 | MLX5_L3_PROT_TYPE_IPV4); | |
2669 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2670 | MLX5_L4_PROT_TYPE_UDP); | |
2671 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2672 | MLX5_HASH_IP_L4PORTS); | |
2673 | break; | |
2674 | ||
2675 | case MLX5E_TT_IPV6_UDP: | |
2676 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2677 | MLX5_L3_PROT_TYPE_IPV6); | |
2678 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2679 | MLX5_L4_PROT_TYPE_UDP); | |
2680 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2681 | MLX5_HASH_IP_L4PORTS); | |
2682 | break; | |
2683 | ||
2684 | case MLX5E_TT_IPV4_IPSEC_AH: | |
2685 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2686 | MLX5_L3_PROT_TYPE_IPV4); | |
2687 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2688 | MLX5_HASH_IP_IPSEC_SPI); | |
2689 | break; | |
2690 | ||
2691 | case MLX5E_TT_IPV6_IPSEC_AH: | |
2692 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2693 | MLX5_L3_PROT_TYPE_IPV6); | |
2694 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2695 | MLX5_HASH_IP_IPSEC_SPI); | |
2696 | break; | |
2697 | ||
2698 | case MLX5E_TT_IPV4_IPSEC_ESP: | |
2699 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2700 | MLX5_L3_PROT_TYPE_IPV4); | |
2701 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2702 | MLX5_HASH_IP_IPSEC_SPI); | |
2703 | break; | |
2704 | ||
2705 | case MLX5E_TT_IPV6_IPSEC_ESP: | |
2706 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2707 | MLX5_L3_PROT_TYPE_IPV6); | |
2708 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2709 | MLX5_HASH_IP_IPSEC_SPI); | |
2710 | break; | |
2711 | ||
2712 | case MLX5E_TT_IPV4: | |
2713 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2714 | MLX5_L3_PROT_TYPE_IPV4); | |
2715 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2716 | MLX5_HASH_IP); | |
2717 | break; | |
2718 | ||
2719 | case MLX5E_TT_IPV6: | |
2720 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2721 | MLX5_L3_PROT_TYPE_IPV6); | |
2722 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2723 | MLX5_HASH_IP); | |
2724 | break; | |
2725 | default: | |
2726 | WARN_ONCE(true, "%s: bad traffic type!\n", __func__); | |
2727 | } | |
bdfc028d TT |
2728 | } |
2729 | ||
ab0394fe | 2730 | static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) |
5c50368f AS |
2731 | { |
2732 | struct mlx5_core_dev *mdev = priv->mdev; | |
2733 | ||
2734 | void *in; | |
2735 | void *tirc; | |
2736 | int inlen; | |
2737 | int err; | |
ab0394fe | 2738 | int tt; |
1da36696 | 2739 | int ix; |
5c50368f AS |
2740 | |
2741 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1b9a07ee | 2742 | in = kvzalloc(inlen, GFP_KERNEL); |
5c50368f AS |
2743 | if (!in) |
2744 | return -ENOMEM; | |
2745 | ||
2746 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); | |
2747 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); | |
2748 | ||
6a9764ef | 2749 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
5c50368f | 2750 | |
1da36696 | 2751 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
724b2aa1 | 2752 | err = mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, |
1da36696 | 2753 | inlen); |
ab0394fe | 2754 | if (err) |
1da36696 | 2755 | goto free_in; |
ab0394fe | 2756 | } |
5c50368f | 2757 | |
779d986d | 2758 | for (ix = 0; ix < mlx5e_get_netdev_max_channels(priv->netdev); ix++) { |
1da36696 TT |
2759 | err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, |
2760 | in, inlen); | |
2761 | if (err) | |
2762 | goto free_in; | |
2763 | } | |
2764 | ||
2765 | free_in: | |
5c50368f AS |
2766 | kvfree(in); |
2767 | ||
2768 | return err; | |
2769 | } | |
2770 | ||
7b3722fa GP |
2771 | static void mlx5e_build_inner_indir_tir_ctx(struct mlx5e_priv *priv, |
2772 | enum mlx5e_traffic_types tt, | |
2773 | u32 *tirc) | |
2774 | { | |
2775 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); | |
2776 | ||
2777 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); | |
2778 | ||
2779 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); | |
2780 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqt.rqtn); | |
2781 | MLX5_SET(tirc, tirc, tunneled_offload_en, 0x1); | |
2782 | ||
2783 | mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, true); | |
2784 | } | |
2785 | ||
472a1e44 TT |
2786 | static int mlx5e_set_mtu(struct mlx5_core_dev *mdev, |
2787 | struct mlx5e_params *params, u16 mtu) | |
40ab6a6e | 2788 | { |
472a1e44 | 2789 | u16 hw_mtu = MLX5E_SW2HW_MTU(params, mtu); |
40ab6a6e AS |
2790 | int err; |
2791 | ||
cd255eff | 2792 | err = mlx5_set_port_mtu(mdev, hw_mtu, 1); |
40ab6a6e AS |
2793 | if (err) |
2794 | return err; | |
2795 | ||
cd255eff SM |
2796 | /* Update vport context MTU */ |
2797 | mlx5_modify_nic_vport_mtu(mdev, hw_mtu); | |
2798 | return 0; | |
2799 | } | |
40ab6a6e | 2800 | |
472a1e44 TT |
2801 | static void mlx5e_query_mtu(struct mlx5_core_dev *mdev, |
2802 | struct mlx5e_params *params, u16 *mtu) | |
cd255eff | 2803 | { |
cd255eff SM |
2804 | u16 hw_mtu = 0; |
2805 | int err; | |
40ab6a6e | 2806 | |
cd255eff SM |
2807 | err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); |
2808 | if (err || !hw_mtu) /* fallback to port oper mtu */ | |
2809 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); | |
2810 | ||
472a1e44 | 2811 | *mtu = MLX5E_HW2SW_MTU(params, hw_mtu); |
cd255eff SM |
2812 | } |
2813 | ||
2e20a151 | 2814 | static int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv) |
cd255eff | 2815 | { |
472a1e44 | 2816 | struct mlx5e_params *params = &priv->channels.params; |
2e20a151 | 2817 | struct net_device *netdev = priv->netdev; |
472a1e44 | 2818 | struct mlx5_core_dev *mdev = priv->mdev; |
cd255eff SM |
2819 | u16 mtu; |
2820 | int err; | |
2821 | ||
472a1e44 | 2822 | err = mlx5e_set_mtu(mdev, params, params->sw_mtu); |
cd255eff SM |
2823 | if (err) |
2824 | return err; | |
40ab6a6e | 2825 | |
472a1e44 TT |
2826 | mlx5e_query_mtu(mdev, params, &mtu); |
2827 | if (mtu != params->sw_mtu) | |
cd255eff | 2828 | netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", |
472a1e44 | 2829 | __func__, mtu, params->sw_mtu); |
40ab6a6e | 2830 | |
472a1e44 | 2831 | params->sw_mtu = mtu; |
40ab6a6e AS |
2832 | return 0; |
2833 | } | |
2834 | ||
08fb1dac SM |
2835 | static void mlx5e_netdev_set_tcs(struct net_device *netdev) |
2836 | { | |
2837 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
6a9764ef SM |
2838 | int nch = priv->channels.params.num_channels; |
2839 | int ntc = priv->channels.params.num_tc; | |
08fb1dac SM |
2840 | int tc; |
2841 | ||
2842 | netdev_reset_tc(netdev); | |
2843 | ||
2844 | if (ntc == 1) | |
2845 | return; | |
2846 | ||
2847 | netdev_set_num_tc(netdev, ntc); | |
2848 | ||
7ccdd084 RS |
2849 | /* Map netdev TCs to offset 0 |
2850 | * We have our own UP to TXQ mapping for QoS | |
2851 | */ | |
08fb1dac | 2852 | for (tc = 0; tc < ntc; tc++) |
7ccdd084 | 2853 | netdev_set_tc_queue(netdev, tc, nch, 0); |
08fb1dac SM |
2854 | } |
2855 | ||
8bfaf07f | 2856 | static void mlx5e_build_tc2txq_maps(struct mlx5e_priv *priv) |
acc6c595 | 2857 | { |
779d986d | 2858 | int max_nch = mlx5e_get_netdev_max_channels(priv->netdev); |
acc6c595 SM |
2859 | int i, tc; |
2860 | ||
8bfaf07f | 2861 | for (i = 0; i < max_nch; i++) |
acc6c595 | 2862 | for (tc = 0; tc < priv->profile->max_tc; tc++) |
8bfaf07f EBE |
2863 | priv->channel_tc2txq[i][tc] = i + tc * max_nch; |
2864 | } | |
2865 | ||
2866 | static void mlx5e_build_tx2sq_maps(struct mlx5e_priv *priv) | |
2867 | { | |
2868 | struct mlx5e_channel *c; | |
2869 | struct mlx5e_txqsq *sq; | |
2870 | int i, tc; | |
acc6c595 SM |
2871 | |
2872 | for (i = 0; i < priv->channels.num; i++) { | |
2873 | c = priv->channels.c[i]; | |
2874 | for (tc = 0; tc < c->num_tc; tc++) { | |
2875 | sq = &c->sq[tc]; | |
2876 | priv->txq2sq[sq->txq_ix] = sq; | |
2877 | } | |
2878 | } | |
2879 | } | |
2880 | ||
603f4a45 | 2881 | void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) |
acc6c595 | 2882 | { |
9008ae07 SM |
2883 | int num_txqs = priv->channels.num * priv->channels.params.num_tc; |
2884 | struct net_device *netdev = priv->netdev; | |
2885 | ||
2886 | mlx5e_netdev_set_tcs(netdev); | |
053ee0a7 TR |
2887 | netif_set_real_num_tx_queues(netdev, num_txqs); |
2888 | netif_set_real_num_rx_queues(netdev, priv->channels.num); | |
9008ae07 | 2889 | |
8bfaf07f | 2890 | mlx5e_build_tx2sq_maps(priv); |
acc6c595 SM |
2891 | mlx5e_activate_channels(&priv->channels); |
2892 | netif_tx_start_all_queues(priv->netdev); | |
9008ae07 | 2893 | |
733d3e54 | 2894 | if (MLX5_ESWITCH_MANAGER(priv->mdev)) |
9008ae07 SM |
2895 | mlx5e_add_sqs_fwd_rules(priv); |
2896 | ||
acc6c595 | 2897 | mlx5e_wait_channels_min_rx_wqes(&priv->channels); |
9008ae07 | 2898 | mlx5e_redirect_rqts_to_channels(priv, &priv->channels); |
acc6c595 SM |
2899 | } |
2900 | ||
603f4a45 | 2901 | void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) |
acc6c595 | 2902 | { |
9008ae07 SM |
2903 | mlx5e_redirect_rqts_to_drop(priv); |
2904 | ||
733d3e54 | 2905 | if (MLX5_ESWITCH_MANAGER(priv->mdev)) |
9008ae07 SM |
2906 | mlx5e_remove_sqs_fwd_rules(priv); |
2907 | ||
acc6c595 SM |
2908 | /* FIXME: This is a W/A only for tx timeout watch dog false alarm when |
2909 | * polling for inactive tx queues. | |
2910 | */ | |
2911 | netif_tx_stop_all_queues(priv->netdev); | |
2912 | netif_tx_disable(priv->netdev); | |
2913 | mlx5e_deactivate_channels(&priv->channels); | |
2914 | } | |
2915 | ||
55c2503d | 2916 | void mlx5e_switch_priv_channels(struct mlx5e_priv *priv, |
2e20a151 SM |
2917 | struct mlx5e_channels *new_chs, |
2918 | mlx5e_fp_hw_modify hw_modify) | |
55c2503d SM |
2919 | { |
2920 | struct net_device *netdev = priv->netdev; | |
2921 | int new_num_txqs; | |
7ca42c80 | 2922 | int carrier_ok; |
55c2503d SM |
2923 | new_num_txqs = new_chs->num * new_chs->params.num_tc; |
2924 | ||
7ca42c80 | 2925 | carrier_ok = netif_carrier_ok(netdev); |
55c2503d SM |
2926 | netif_carrier_off(netdev); |
2927 | ||
2928 | if (new_num_txqs < netdev->real_num_tx_queues) | |
2929 | netif_set_real_num_tx_queues(netdev, new_num_txqs); | |
2930 | ||
2931 | mlx5e_deactivate_priv_channels(priv); | |
2932 | mlx5e_close_channels(&priv->channels); | |
2933 | ||
2934 | priv->channels = *new_chs; | |
2935 | ||
2e20a151 SM |
2936 | /* New channels are ready to roll, modify HW settings if needed */ |
2937 | if (hw_modify) | |
2938 | hw_modify(priv); | |
2939 | ||
55c2503d SM |
2940 | mlx5e_refresh_tirs(priv, false); |
2941 | mlx5e_activate_priv_channels(priv); | |
2942 | ||
7ca42c80 ES |
2943 | /* return carrier back if needed */ |
2944 | if (carrier_ok) | |
2945 | netif_carrier_on(netdev); | |
55c2503d SM |
2946 | } |
2947 | ||
237f258c | 2948 | void mlx5e_timestamp_init(struct mlx5e_priv *priv) |
7c39afb3 FD |
2949 | { |
2950 | priv->tstamp.tx_type = HWTSTAMP_TX_OFF; | |
2951 | priv->tstamp.rx_filter = HWTSTAMP_FILTER_NONE; | |
2952 | } | |
2953 | ||
40ab6a6e AS |
2954 | int mlx5e_open_locked(struct net_device *netdev) |
2955 | { | |
2956 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
40ab6a6e AS |
2957 | int err; |
2958 | ||
2959 | set_bit(MLX5E_STATE_OPENED, &priv->state); | |
2960 | ||
ff9c852f | 2961 | err = mlx5e_open_channels(priv, &priv->channels); |
acc6c595 | 2962 | if (err) |
343b29f3 | 2963 | goto err_clear_state_opened_flag; |
40ab6a6e | 2964 | |
b676f653 | 2965 | mlx5e_refresh_tirs(priv, false); |
acc6c595 | 2966 | mlx5e_activate_priv_channels(priv); |
7ca42c80 ES |
2967 | if (priv->profile->update_carrier) |
2968 | priv->profile->update_carrier(priv); | |
be4891af | 2969 | |
cdeef2b1 | 2970 | mlx5e_queue_update_stats(priv); |
9b37b07f | 2971 | return 0; |
343b29f3 AS |
2972 | |
2973 | err_clear_state_opened_flag: | |
2974 | clear_bit(MLX5E_STATE_OPENED, &priv->state); | |
2975 | return err; | |
40ab6a6e AS |
2976 | } |
2977 | ||
cb67b832 | 2978 | int mlx5e_open(struct net_device *netdev) |
40ab6a6e AS |
2979 | { |
2980 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2981 | int err; | |
2982 | ||
2983 | mutex_lock(&priv->state_lock); | |
2984 | err = mlx5e_open_locked(netdev); | |
63bfd399 EBE |
2985 | if (!err) |
2986 | mlx5_set_port_admin_status(priv->mdev, MLX5_PORT_UP); | |
40ab6a6e AS |
2987 | mutex_unlock(&priv->state_lock); |
2988 | ||
358aa5ce | 2989 | if (mlx5_vxlan_allowed(priv->mdev->vxlan)) |
a117f73d SK |
2990 | udp_tunnel_get_rx_info(netdev); |
2991 | ||
40ab6a6e AS |
2992 | return err; |
2993 | } | |
2994 | ||
2995 | int mlx5e_close_locked(struct net_device *netdev) | |
2996 | { | |
2997 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2998 | ||
a1985740 AS |
2999 | /* May already be CLOSED in case a previous configuration operation |
3000 | * (e.g RX/TX queue size change) that involves close&open failed. | |
3001 | */ | |
3002 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
3003 | return 0; | |
3004 | ||
40ab6a6e AS |
3005 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
3006 | ||
40ab6a6e | 3007 | netif_carrier_off(priv->netdev); |
acc6c595 SM |
3008 | mlx5e_deactivate_priv_channels(priv); |
3009 | mlx5e_close_channels(&priv->channels); | |
40ab6a6e AS |
3010 | |
3011 | return 0; | |
3012 | } | |
3013 | ||
cb67b832 | 3014 | int mlx5e_close(struct net_device *netdev) |
40ab6a6e AS |
3015 | { |
3016 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3017 | int err; | |
3018 | ||
26e59d80 MHY |
3019 | if (!netif_device_present(netdev)) |
3020 | return -ENODEV; | |
3021 | ||
40ab6a6e | 3022 | mutex_lock(&priv->state_lock); |
63bfd399 | 3023 | mlx5_set_port_admin_status(priv->mdev, MLX5_PORT_DOWN); |
40ab6a6e AS |
3024 | err = mlx5e_close_locked(netdev); |
3025 | mutex_unlock(&priv->state_lock); | |
3026 | ||
3027 | return err; | |
3028 | } | |
3029 | ||
a43b25da | 3030 | static int mlx5e_alloc_drop_rq(struct mlx5_core_dev *mdev, |
3b77235b SM |
3031 | struct mlx5e_rq *rq, |
3032 | struct mlx5e_rq_param *param) | |
40ab6a6e | 3033 | { |
40ab6a6e AS |
3034 | void *rqc = param->rqc; |
3035 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
3036 | int err; | |
3037 | ||
3038 | param->wq.db_numa_node = param->wq.buf_numa_node; | |
3039 | ||
99cbfa93 TT |
3040 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, rqc_wq, &rq->wqe.wq, |
3041 | &rq->wq_ctrl); | |
40ab6a6e AS |
3042 | if (err) |
3043 | return err; | |
3044 | ||
0ddf5432 JDB |
3045 | /* Mark as unused given "Drop-RQ" packets never reach XDP */ |
3046 | xdp_rxq_info_unused(&rq->xdp_rxq); | |
3047 | ||
a43b25da | 3048 | rq->mdev = mdev; |
40ab6a6e AS |
3049 | |
3050 | return 0; | |
3051 | } | |
3052 | ||
a43b25da | 3053 | static int mlx5e_alloc_drop_cq(struct mlx5_core_dev *mdev, |
3b77235b SM |
3054 | struct mlx5e_cq *cq, |
3055 | struct mlx5e_cq_param *param) | |
40ab6a6e | 3056 | { |
2f0db879 GP |
3057 | param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev); |
3058 | param->wq.db_numa_node = dev_to_node(&mdev->pdev->dev); | |
3059 | ||
95b6c6a5 | 3060 | return mlx5e_alloc_cq_common(mdev, param, cq); |
40ab6a6e AS |
3061 | } |
3062 | ||
1462e48d RD |
3063 | int mlx5e_open_drop_rq(struct mlx5e_priv *priv, |
3064 | struct mlx5e_rq *drop_rq) | |
40ab6a6e | 3065 | { |
7cbaf9a3 | 3066 | struct mlx5_core_dev *mdev = priv->mdev; |
a43b25da SM |
3067 | struct mlx5e_cq_param cq_param = {}; |
3068 | struct mlx5e_rq_param rq_param = {}; | |
3069 | struct mlx5e_cq *cq = &drop_rq->cq; | |
40ab6a6e AS |
3070 | int err; |
3071 | ||
7cbaf9a3 | 3072 | mlx5e_build_drop_rq_param(priv, &rq_param); |
40ab6a6e | 3073 | |
a43b25da | 3074 | err = mlx5e_alloc_drop_cq(mdev, cq, &cq_param); |
40ab6a6e AS |
3075 | if (err) |
3076 | return err; | |
3077 | ||
3b77235b | 3078 | err = mlx5e_create_cq(cq, &cq_param); |
40ab6a6e | 3079 | if (err) |
3b77235b | 3080 | goto err_free_cq; |
40ab6a6e | 3081 | |
a43b25da | 3082 | err = mlx5e_alloc_drop_rq(mdev, drop_rq, &rq_param); |
40ab6a6e | 3083 | if (err) |
3b77235b | 3084 | goto err_destroy_cq; |
40ab6a6e | 3085 | |
a43b25da | 3086 | err = mlx5e_create_rq(drop_rq, &rq_param); |
40ab6a6e | 3087 | if (err) |
3b77235b | 3088 | goto err_free_rq; |
40ab6a6e | 3089 | |
7cbaf9a3 MS |
3090 | err = mlx5e_modify_rq_state(drop_rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); |
3091 | if (err) | |
3092 | mlx5_core_warn(priv->mdev, "modify_rq_state failed, rx_if_down_packets won't be counted %d\n", err); | |
3093 | ||
40ab6a6e AS |
3094 | return 0; |
3095 | ||
3b77235b | 3096 | err_free_rq: |
a43b25da | 3097 | mlx5e_free_rq(drop_rq); |
40ab6a6e AS |
3098 | |
3099 | err_destroy_cq: | |
a43b25da | 3100 | mlx5e_destroy_cq(cq); |
40ab6a6e | 3101 | |
3b77235b | 3102 | err_free_cq: |
a43b25da | 3103 | mlx5e_free_cq(cq); |
3b77235b | 3104 | |
40ab6a6e AS |
3105 | return err; |
3106 | } | |
3107 | ||
1462e48d | 3108 | void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq) |
40ab6a6e | 3109 | { |
a43b25da SM |
3110 | mlx5e_destroy_rq(drop_rq); |
3111 | mlx5e_free_rq(drop_rq); | |
3112 | mlx5e_destroy_cq(&drop_rq->cq); | |
3113 | mlx5e_free_cq(&drop_rq->cq); | |
40ab6a6e AS |
3114 | } |
3115 | ||
5426a0b2 SM |
3116 | int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc, |
3117 | u32 underlay_qpn, u32 *tisn) | |
40ab6a6e | 3118 | { |
c4f287c4 | 3119 | u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; |
40ab6a6e AS |
3120 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
3121 | ||
08fb1dac | 3122 | MLX5_SET(tisc, tisc, prio, tc << 1); |
5426a0b2 | 3123 | MLX5_SET(tisc, tisc, underlay_qpn, underlay_qpn); |
b50d292b | 3124 | MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.td.tdn); |
db60b802 AH |
3125 | |
3126 | if (mlx5_lag_is_lacp_owner(mdev)) | |
3127 | MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1); | |
3128 | ||
5426a0b2 | 3129 | return mlx5_core_create_tis(mdev, in, sizeof(in), tisn); |
40ab6a6e AS |
3130 | } |
3131 | ||
5426a0b2 | 3132 | void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn) |
40ab6a6e | 3133 | { |
5426a0b2 | 3134 | mlx5_core_destroy_tis(mdev, tisn); |
40ab6a6e AS |
3135 | } |
3136 | ||
cb67b832 | 3137 | int mlx5e_create_tises(struct mlx5e_priv *priv) |
40ab6a6e AS |
3138 | { |
3139 | int err; | |
3140 | int tc; | |
3141 | ||
6bfd390b | 3142 | for (tc = 0; tc < priv->profile->max_tc; tc++) { |
5426a0b2 | 3143 | err = mlx5e_create_tis(priv->mdev, tc, 0, &priv->tisn[tc]); |
40ab6a6e AS |
3144 | if (err) |
3145 | goto err_close_tises; | |
3146 | } | |
3147 | ||
3148 | return 0; | |
3149 | ||
3150 | err_close_tises: | |
3151 | for (tc--; tc >= 0; tc--) | |
5426a0b2 | 3152 | mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
40ab6a6e AS |
3153 | |
3154 | return err; | |
3155 | } | |
3156 | ||
cb67b832 | 3157 | void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv) |
40ab6a6e AS |
3158 | { |
3159 | int tc; | |
3160 | ||
6bfd390b | 3161 | for (tc = 0; tc < priv->profile->max_tc; tc++) |
5426a0b2 | 3162 | mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
40ab6a6e AS |
3163 | } |
3164 | ||
6a9764ef SM |
3165 | static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, |
3166 | enum mlx5e_traffic_types tt, | |
3167 | u32 *tirc) | |
f62b8bb8 | 3168 | { |
b50d292b | 3169 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
3191e05f | 3170 | |
6a9764ef | 3171 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
f62b8bb8 | 3172 | |
4cbeaff5 | 3173 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
398f3351 | 3174 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqt.rqtn); |
7b3722fa | 3175 | mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false); |
f62b8bb8 AV |
3176 | } |
3177 | ||
6a9764ef | 3178 | static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 rqtn, u32 *tirc) |
f62b8bb8 | 3179 | { |
b50d292b | 3180 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
1da36696 | 3181 | |
6a9764ef | 3182 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
1da36696 TT |
3183 | |
3184 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); | |
3185 | MLX5_SET(tirc, tirc, indirect_table, rqtn); | |
3186 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); | |
3187 | } | |
3188 | ||
46dc933c | 3189 | int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc) |
1da36696 | 3190 | { |
724b2aa1 | 3191 | struct mlx5e_tir *tir; |
f62b8bb8 AV |
3192 | void *tirc; |
3193 | int inlen; | |
7b3722fa | 3194 | int i = 0; |
f62b8bb8 | 3195 | int err; |
1da36696 | 3196 | u32 *in; |
1da36696 | 3197 | int tt; |
f62b8bb8 AV |
3198 | |
3199 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 3200 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
3201 | if (!in) |
3202 | return -ENOMEM; | |
3203 | ||
1da36696 TT |
3204 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
3205 | memset(in, 0, inlen); | |
724b2aa1 | 3206 | tir = &priv->indir_tir[tt]; |
1da36696 | 3207 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
6a9764ef | 3208 | mlx5e_build_indir_tir_ctx(priv, tt, tirc); |
724b2aa1 | 3209 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
7b3722fa GP |
3210 | if (err) { |
3211 | mlx5_core_warn(priv->mdev, "create indirect tirs failed, %d\n", err); | |
3212 | goto err_destroy_inner_tirs; | |
3213 | } | |
f62b8bb8 AV |
3214 | } |
3215 | ||
46dc933c | 3216 | if (!inner_ttc || !mlx5e_tunnel_inner_ft_supported(priv->mdev)) |
7b3722fa GP |
3217 | goto out; |
3218 | ||
3219 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) { | |
3220 | memset(in, 0, inlen); | |
3221 | tir = &priv->inner_indir_tir[i]; | |
3222 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
3223 | mlx5e_build_inner_indir_tir_ctx(priv, i, tirc); | |
3224 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); | |
3225 | if (err) { | |
3226 | mlx5_core_warn(priv->mdev, "create inner indirect tirs failed, %d\n", err); | |
3227 | goto err_destroy_inner_tirs; | |
3228 | } | |
3229 | } | |
3230 | ||
3231 | out: | |
6bfd390b HHZ |
3232 | kvfree(in); |
3233 | ||
3234 | return 0; | |
3235 | ||
7b3722fa GP |
3236 | err_destroy_inner_tirs: |
3237 | for (i--; i >= 0; i--) | |
3238 | mlx5e_destroy_tir(priv->mdev, &priv->inner_indir_tir[i]); | |
3239 | ||
6bfd390b HHZ |
3240 | for (tt--; tt >= 0; tt--) |
3241 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[tt]); | |
3242 | ||
3243 | kvfree(in); | |
3244 | ||
3245 | return err; | |
3246 | } | |
3247 | ||
cb67b832 | 3248 | int mlx5e_create_direct_tirs(struct mlx5e_priv *priv) |
6bfd390b | 3249 | { |
779d986d | 3250 | int nch = mlx5e_get_netdev_max_channels(priv->netdev); |
6bfd390b HHZ |
3251 | struct mlx5e_tir *tir; |
3252 | void *tirc; | |
3253 | int inlen; | |
3254 | int err; | |
3255 | u32 *in; | |
3256 | int ix; | |
3257 | ||
3258 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 3259 | in = kvzalloc(inlen, GFP_KERNEL); |
6bfd390b HHZ |
3260 | if (!in) |
3261 | return -ENOMEM; | |
3262 | ||
1da36696 TT |
3263 | for (ix = 0; ix < nch; ix++) { |
3264 | memset(in, 0, inlen); | |
724b2aa1 | 3265 | tir = &priv->direct_tir[ix]; |
1da36696 | 3266 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
6a9764ef | 3267 | mlx5e_build_direct_tir_ctx(priv, priv->direct_tir[ix].rqt.rqtn, tirc); |
724b2aa1 | 3268 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
1da36696 TT |
3269 | if (err) |
3270 | goto err_destroy_ch_tirs; | |
3271 | } | |
3272 | ||
3273 | kvfree(in); | |
3274 | ||
f62b8bb8 AV |
3275 | return 0; |
3276 | ||
1da36696 | 3277 | err_destroy_ch_tirs: |
8f493ffd | 3278 | mlx5_core_warn(priv->mdev, "create direct tirs failed, %d\n", err); |
1da36696 | 3279 | for (ix--; ix >= 0; ix--) |
724b2aa1 | 3280 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[ix]); |
1da36696 | 3281 | |
1da36696 | 3282 | kvfree(in); |
f62b8bb8 AV |
3283 | |
3284 | return err; | |
3285 | } | |
3286 | ||
46dc933c | 3287 | void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc) |
f62b8bb8 AV |
3288 | { |
3289 | int i; | |
3290 | ||
1da36696 | 3291 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) |
724b2aa1 | 3292 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[i]); |
7b3722fa | 3293 | |
46dc933c | 3294 | if (!inner_ttc || !mlx5e_tunnel_inner_ft_supported(priv->mdev)) |
7b3722fa GP |
3295 | return; |
3296 | ||
3297 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) | |
3298 | mlx5e_destroy_tir(priv->mdev, &priv->inner_indir_tir[i]); | |
f62b8bb8 AV |
3299 | } |
3300 | ||
cb67b832 | 3301 | void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv) |
6bfd390b | 3302 | { |
779d986d | 3303 | int nch = mlx5e_get_netdev_max_channels(priv->netdev); |
6bfd390b HHZ |
3304 | int i; |
3305 | ||
3306 | for (i = 0; i < nch; i++) | |
3307 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[i]); | |
3308 | } | |
3309 | ||
102722fc GE |
3310 | static int mlx5e_modify_channels_scatter_fcs(struct mlx5e_channels *chs, bool enable) |
3311 | { | |
3312 | int err = 0; | |
3313 | int i; | |
3314 | ||
3315 | for (i = 0; i < chs->num; i++) { | |
3316 | err = mlx5e_modify_rq_scatter_fcs(&chs->c[i]->rq, enable); | |
3317 | if (err) | |
3318 | return err; | |
3319 | } | |
3320 | ||
3321 | return 0; | |
3322 | } | |
3323 | ||
f6d96a20 | 3324 | static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd) |
36350114 GP |
3325 | { |
3326 | int err = 0; | |
3327 | int i; | |
3328 | ||
ff9c852f SM |
3329 | for (i = 0; i < chs->num; i++) { |
3330 | err = mlx5e_modify_rq_vsd(&chs->c[i]->rq, vsd); | |
36350114 GP |
3331 | if (err) |
3332 | return err; | |
3333 | } | |
3334 | ||
3335 | return 0; | |
3336 | } | |
3337 | ||
0cf0f6d3 JP |
3338 | static int mlx5e_setup_tc_mqprio(struct net_device *netdev, |
3339 | struct tc_mqprio_qopt *mqprio) | |
08fb1dac SM |
3340 | { |
3341 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
6f9485af | 3342 | struct mlx5e_channels new_channels = {}; |
0cf0f6d3 | 3343 | u8 tc = mqprio->num_tc; |
08fb1dac SM |
3344 | int err = 0; |
3345 | ||
0cf0f6d3 JP |
3346 | mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS; |
3347 | ||
08fb1dac SM |
3348 | if (tc && tc != MLX5E_MAX_NUM_TC) |
3349 | return -EINVAL; | |
3350 | ||
3351 | mutex_lock(&priv->state_lock); | |
3352 | ||
6f9485af SM |
3353 | new_channels.params = priv->channels.params; |
3354 | new_channels.params.num_tc = tc ? tc : 1; | |
08fb1dac | 3355 | |
20b6a1c7 | 3356 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { |
6f9485af SM |
3357 | priv->channels.params = new_channels.params; |
3358 | goto out; | |
3359 | } | |
08fb1dac | 3360 | |
6f9485af SM |
3361 | err = mlx5e_open_channels(priv, &new_channels); |
3362 | if (err) | |
3363 | goto out; | |
08fb1dac | 3364 | |
05909bab EBE |
3365 | priv->max_opened_tc = max_t(u8, priv->max_opened_tc, |
3366 | new_channels.params.num_tc); | |
2e20a151 | 3367 | mlx5e_switch_priv_channels(priv, &new_channels, NULL); |
6f9485af | 3368 | out: |
08fb1dac | 3369 | mutex_unlock(&priv->state_lock); |
08fb1dac SM |
3370 | return err; |
3371 | } | |
3372 | ||
e80541ec | 3373 | #ifdef CONFIG_MLX5_ESWITCH |
d6c862ba | 3374 | static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, |
60bd4af8 OG |
3375 | struct tc_cls_flower_offload *cls_flower, |
3376 | int flags) | |
08fb1dac | 3377 | { |
0cf0f6d3 JP |
3378 | switch (cls_flower->command) { |
3379 | case TC_CLSFLOWER_REPLACE: | |
60bd4af8 | 3380 | return mlx5e_configure_flower(priv, cls_flower, flags); |
0cf0f6d3 | 3381 | case TC_CLSFLOWER_DESTROY: |
60bd4af8 | 3382 | return mlx5e_delete_flower(priv, cls_flower, flags); |
0cf0f6d3 | 3383 | case TC_CLSFLOWER_STATS: |
60bd4af8 | 3384 | return mlx5e_stats_flower(priv, cls_flower, flags); |
0cf0f6d3 | 3385 | default: |
a5fcf8a6 | 3386 | return -EOPNOTSUPP; |
0cf0f6d3 JP |
3387 | } |
3388 | } | |
d6c862ba | 3389 | |
60bd4af8 OG |
3390 | static int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, |
3391 | void *cb_priv) | |
d6c862ba JP |
3392 | { |
3393 | struct mlx5e_priv *priv = cb_priv; | |
3394 | ||
3395 | switch (type) { | |
3396 | case TC_SETUP_CLSFLOWER: | |
60bd4af8 | 3397 | return mlx5e_setup_tc_cls_flower(priv, type_data, MLX5E_TC_INGRESS); |
d6c862ba JP |
3398 | default: |
3399 | return -EOPNOTSUPP; | |
3400 | } | |
3401 | } | |
3402 | ||
3403 | static int mlx5e_setup_tc_block(struct net_device *dev, | |
3404 | struct tc_block_offload *f) | |
3405 | { | |
3406 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3407 | ||
3408 | if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) | |
3409 | return -EOPNOTSUPP; | |
3410 | ||
3411 | switch (f->command) { | |
3412 | case TC_BLOCK_BIND: | |
3413 | return tcf_block_cb_register(f->block, mlx5e_setup_tc_block_cb, | |
60513bd8 | 3414 | priv, priv, f->extack); |
d6c862ba JP |
3415 | case TC_BLOCK_UNBIND: |
3416 | tcf_block_cb_unregister(f->block, mlx5e_setup_tc_block_cb, | |
3417 | priv); | |
3418 | return 0; | |
3419 | default: | |
3420 | return -EOPNOTSUPP; | |
3421 | } | |
3422 | } | |
e80541ec | 3423 | #endif |
a5fcf8a6 | 3424 | |
9afe9a53 OG |
3425 | static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type, |
3426 | void *type_data) | |
0cf0f6d3 | 3427 | { |
2572ac53 | 3428 | switch (type) { |
fde6af47 | 3429 | #ifdef CONFIG_MLX5_ESWITCH |
d6c862ba JP |
3430 | case TC_SETUP_BLOCK: |
3431 | return mlx5e_setup_tc_block(dev, type_data); | |
fde6af47 | 3432 | #endif |
575ed7d3 | 3433 | case TC_SETUP_QDISC_MQPRIO: |
de4784ca | 3434 | return mlx5e_setup_tc_mqprio(dev, type_data); |
e8f887ac AV |
3435 | default: |
3436 | return -EOPNOTSUPP; | |
3437 | } | |
08fb1dac SM |
3438 | } |
3439 | ||
bc1f4470 | 3440 | static void |
f62b8bb8 AV |
3441 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) |
3442 | { | |
3443 | struct mlx5e_priv *priv = netdev_priv(dev); | |
9218b44d | 3444 | struct mlx5e_sw_stats *sstats = &priv->stats.sw; |
f62b8bb8 | 3445 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; |
269e6b3a | 3446 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
f62b8bb8 | 3447 | |
ed56c519 | 3448 | /* update HW stats in background for next time */ |
cdeef2b1 | 3449 | mlx5e_queue_update_stats(priv); |
ed56c519 | 3450 | |
370bad0f OG |
3451 | if (mlx5e_is_uplink_rep(priv)) { |
3452 | stats->rx_packets = PPORT_802_3_GET(pstats, a_frames_received_ok); | |
3453 | stats->rx_bytes = PPORT_802_3_GET(pstats, a_octets_received_ok); | |
3454 | stats->tx_packets = PPORT_802_3_GET(pstats, a_frames_transmitted_ok); | |
3455 | stats->tx_bytes = PPORT_802_3_GET(pstats, a_octets_transmitted_ok); | |
3456 | } else { | |
868a01a2 | 3457 | mlx5e_grp_sw_update_stats(priv); |
370bad0f OG |
3458 | stats->rx_packets = sstats->rx_packets; |
3459 | stats->rx_bytes = sstats->rx_bytes; | |
3460 | stats->tx_packets = sstats->tx_packets; | |
3461 | stats->tx_bytes = sstats->tx_bytes; | |
3462 | stats->tx_dropped = sstats->tx_queue_dropped; | |
3463 | } | |
269e6b3a GP |
3464 | |
3465 | stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer; | |
269e6b3a GP |
3466 | |
3467 | stats->rx_length_errors = | |
9218b44d GP |
3468 | PPORT_802_3_GET(pstats, a_in_range_length_errors) + |
3469 | PPORT_802_3_GET(pstats, a_out_of_range_length_field) + | |
3470 | PPORT_802_3_GET(pstats, a_frame_too_long_errors); | |
269e6b3a | 3471 | stats->rx_crc_errors = |
9218b44d GP |
3472 | PPORT_802_3_GET(pstats, a_frame_check_sequence_errors); |
3473 | stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors); | |
3474 | stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards); | |
269e6b3a GP |
3475 | stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + |
3476 | stats->rx_frame_errors; | |
3477 | stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; | |
3478 | ||
3479 | /* vport multicast also counts packets that are dropped due to steering | |
3480 | * or rx out of buffer | |
3481 | */ | |
9218b44d GP |
3482 | stats->multicast = |
3483 | VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); | |
f62b8bb8 AV |
3484 | } |
3485 | ||
3486 | static void mlx5e_set_rx_mode(struct net_device *dev) | |
3487 | { | |
3488 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3489 | ||
7bb29755 | 3490 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
3491 | } |
3492 | ||
3493 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) | |
3494 | { | |
3495 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3496 | struct sockaddr *saddr = addr; | |
3497 | ||
3498 | if (!is_valid_ether_addr(saddr->sa_data)) | |
3499 | return -EADDRNOTAVAIL; | |
3500 | ||
3501 | netif_addr_lock_bh(netdev); | |
3502 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); | |
3503 | netif_addr_unlock_bh(netdev); | |
3504 | ||
7bb29755 | 3505 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
3506 | |
3507 | return 0; | |
3508 | } | |
3509 | ||
75b81ce7 | 3510 | #define MLX5E_SET_FEATURE(features, feature, enable) \ |
0e405443 GP |
3511 | do { \ |
3512 | if (enable) \ | |
75b81ce7 | 3513 | *features |= feature; \ |
0e405443 | 3514 | else \ |
75b81ce7 | 3515 | *features &= ~feature; \ |
0e405443 GP |
3516 | } while (0) |
3517 | ||
3518 | typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable); | |
3519 | ||
3520 | static int set_feature_lro(struct net_device *netdev, bool enable) | |
f62b8bb8 AV |
3521 | { |
3522 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
619a8f2a | 3523 | struct mlx5_core_dev *mdev = priv->mdev; |
2e20a151 | 3524 | struct mlx5e_channels new_channels = {}; |
619a8f2a | 3525 | struct mlx5e_params *old_params; |
2e20a151 SM |
3526 | int err = 0; |
3527 | bool reset; | |
f62b8bb8 AV |
3528 | |
3529 | mutex_lock(&priv->state_lock); | |
f62b8bb8 | 3530 | |
619a8f2a | 3531 | old_params = &priv->channels.params; |
6c3a823e TT |
3532 | if (enable && !MLX5E_GET_PFLAG(old_params, MLX5E_PFLAG_RX_STRIDING_RQ)) { |
3533 | netdev_warn(netdev, "can't set LRO with legacy RQ\n"); | |
3534 | err = -EINVAL; | |
3535 | goto out; | |
3536 | } | |
3537 | ||
619a8f2a | 3538 | reset = test_bit(MLX5E_STATE_OPENED, &priv->state); |
98e81b0a | 3539 | |
619a8f2a | 3540 | new_channels.params = *old_params; |
2e20a151 SM |
3541 | new_channels.params.lro_en = enable; |
3542 | ||
99cbfa93 | 3543 | if (old_params->rq_wq_type != MLX5_WQ_TYPE_CYCLIC) { |
619a8f2a TT |
3544 | if (mlx5e_rx_mpwqe_is_linear_skb(mdev, old_params) == |
3545 | mlx5e_rx_mpwqe_is_linear_skb(mdev, &new_channels.params)) | |
3546 | reset = false; | |
3547 | } | |
3548 | ||
2e20a151 | 3549 | if (!reset) { |
619a8f2a | 3550 | *old_params = new_channels.params; |
2e20a151 SM |
3551 | err = mlx5e_modify_tirs_lro(priv); |
3552 | goto out; | |
98e81b0a | 3553 | } |
f62b8bb8 | 3554 | |
2e20a151 SM |
3555 | err = mlx5e_open_channels(priv, &new_channels); |
3556 | if (err) | |
3557 | goto out; | |
0e405443 | 3558 | |
2e20a151 SM |
3559 | mlx5e_switch_priv_channels(priv, &new_channels, mlx5e_modify_tirs_lro); |
3560 | out: | |
9b37b07f | 3561 | mutex_unlock(&priv->state_lock); |
0e405443 GP |
3562 | return err; |
3563 | } | |
3564 | ||
2b52a283 | 3565 | static int set_feature_cvlan_filter(struct net_device *netdev, bool enable) |
0e405443 GP |
3566 | { |
3567 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3568 | ||
3569 | if (enable) | |
2b52a283 | 3570 | mlx5e_enable_cvlan_filter(priv); |
0e405443 | 3571 | else |
2b52a283 | 3572 | mlx5e_disable_cvlan_filter(priv); |
0e405443 GP |
3573 | |
3574 | return 0; | |
3575 | } | |
3576 | ||
3577 | static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) | |
3578 | { | |
3579 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
f62b8bb8 | 3580 | |
0e405443 | 3581 | if (!enable && mlx5e_tc_num_filters(priv)) { |
e8f887ac AV |
3582 | netdev_err(netdev, |
3583 | "Active offloaded tc filters, can't turn hw_tc_offload off\n"); | |
3584 | return -EINVAL; | |
3585 | } | |
3586 | ||
0e405443 GP |
3587 | return 0; |
3588 | } | |
3589 | ||
94cb1ebb EBE |
3590 | static int set_feature_rx_all(struct net_device *netdev, bool enable) |
3591 | { | |
3592 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3593 | struct mlx5_core_dev *mdev = priv->mdev; | |
3594 | ||
3595 | return mlx5_set_port_fcs(mdev, !enable); | |
3596 | } | |
3597 | ||
102722fc GE |
3598 | static int set_feature_rx_fcs(struct net_device *netdev, bool enable) |
3599 | { | |
3600 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3601 | int err; | |
3602 | ||
3603 | mutex_lock(&priv->state_lock); | |
3604 | ||
3605 | priv->channels.params.scatter_fcs_en = enable; | |
3606 | err = mlx5e_modify_channels_scatter_fcs(&priv->channels, enable); | |
3607 | if (err) | |
3608 | priv->channels.params.scatter_fcs_en = !enable; | |
3609 | ||
3610 | mutex_unlock(&priv->state_lock); | |
3611 | ||
3612 | return err; | |
3613 | } | |
3614 | ||
36350114 GP |
3615 | static int set_feature_rx_vlan(struct net_device *netdev, bool enable) |
3616 | { | |
3617 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
ff9c852f | 3618 | int err = 0; |
36350114 GP |
3619 | |
3620 | mutex_lock(&priv->state_lock); | |
3621 | ||
6a9764ef | 3622 | priv->channels.params.vlan_strip_disable = !enable; |
ff9c852f SM |
3623 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
3624 | goto unlock; | |
3625 | ||
3626 | err = mlx5e_modify_channels_vsd(&priv->channels, !enable); | |
36350114 | 3627 | if (err) |
6a9764ef | 3628 | priv->channels.params.vlan_strip_disable = enable; |
36350114 | 3629 | |
ff9c852f | 3630 | unlock: |
36350114 GP |
3631 | mutex_unlock(&priv->state_lock); |
3632 | ||
3633 | return err; | |
3634 | } | |
3635 | ||
ec080045 | 3636 | #ifdef CONFIG_MLX5_EN_ARFS |
45bf454a MG |
3637 | static int set_feature_arfs(struct net_device *netdev, bool enable) |
3638 | { | |
3639 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3640 | int err; | |
3641 | ||
3642 | if (enable) | |
3643 | err = mlx5e_arfs_enable(priv); | |
3644 | else | |
3645 | err = mlx5e_arfs_disable(priv); | |
3646 | ||
3647 | return err; | |
3648 | } | |
3649 | #endif | |
3650 | ||
0e405443 | 3651 | static int mlx5e_handle_feature(struct net_device *netdev, |
75b81ce7 | 3652 | netdev_features_t *features, |
0e405443 GP |
3653 | netdev_features_t wanted_features, |
3654 | netdev_features_t feature, | |
3655 | mlx5e_feature_handler feature_handler) | |
3656 | { | |
3657 | netdev_features_t changes = wanted_features ^ netdev->features; | |
3658 | bool enable = !!(wanted_features & feature); | |
3659 | int err; | |
3660 | ||
3661 | if (!(changes & feature)) | |
3662 | return 0; | |
3663 | ||
3664 | err = feature_handler(netdev, enable); | |
3665 | if (err) { | |
b20eab15 GP |
3666 | netdev_err(netdev, "%s feature %pNF failed, err %d\n", |
3667 | enable ? "Enable" : "Disable", &feature, err); | |
0e405443 GP |
3668 | return err; |
3669 | } | |
3670 | ||
75b81ce7 | 3671 | MLX5E_SET_FEATURE(features, feature, enable); |
0e405443 GP |
3672 | return 0; |
3673 | } | |
3674 | ||
3675 | static int mlx5e_set_features(struct net_device *netdev, | |
3676 | netdev_features_t features) | |
3677 | { | |
75b81ce7 | 3678 | netdev_features_t oper_features = netdev->features; |
be0f780b GP |
3679 | int err = 0; |
3680 | ||
3681 | #define MLX5E_HANDLE_FEATURE(feature, handler) \ | |
3682 | mlx5e_handle_feature(netdev, &oper_features, features, feature, handler) | |
0e405443 | 3683 | |
be0f780b GP |
3684 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro); |
3685 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER, | |
2b52a283 | 3686 | set_feature_cvlan_filter); |
be0f780b GP |
3687 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_tc_num_filters); |
3688 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all); | |
3689 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs); | |
3690 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan); | |
ec080045 | 3691 | #ifdef CONFIG_MLX5_EN_ARFS |
be0f780b | 3692 | err |= MLX5E_HANDLE_FEATURE(NETIF_F_NTUPLE, set_feature_arfs); |
45bf454a | 3693 | #endif |
0e405443 | 3694 | |
75b81ce7 GP |
3695 | if (err) { |
3696 | netdev->features = oper_features; | |
3697 | return -EINVAL; | |
3698 | } | |
3699 | ||
3700 | return 0; | |
f62b8bb8 AV |
3701 | } |
3702 | ||
7d92d580 GP |
3703 | static netdev_features_t mlx5e_fix_features(struct net_device *netdev, |
3704 | netdev_features_t features) | |
3705 | { | |
3706 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
6c3a823e | 3707 | struct mlx5e_params *params; |
7d92d580 GP |
3708 | |
3709 | mutex_lock(&priv->state_lock); | |
6c3a823e | 3710 | params = &priv->channels.params; |
7d92d580 GP |
3711 | if (!bitmap_empty(priv->fs.vlan.active_svlans, VLAN_N_VID)) { |
3712 | /* HW strips the outer C-tag header, this is a problem | |
3713 | * for S-tag traffic. | |
3714 | */ | |
3715 | features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
6c3a823e | 3716 | if (!params->vlan_strip_disable) |
7d92d580 GP |
3717 | netdev_warn(netdev, "Dropping C-tag vlan stripping offload due to S-tag vlan\n"); |
3718 | } | |
6c3a823e TT |
3719 | if (!MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ)) { |
3720 | features &= ~NETIF_F_LRO; | |
3721 | if (params->lro_en) | |
3722 | netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n"); | |
3723 | } | |
3724 | ||
7d92d580 GP |
3725 | mutex_unlock(&priv->state_lock); |
3726 | ||
3727 | return features; | |
3728 | } | |
3729 | ||
250a42b6 AN |
3730 | int mlx5e_change_mtu(struct net_device *netdev, int new_mtu, |
3731 | change_hw_mtu_cb set_mtu_cb) | |
f62b8bb8 AV |
3732 | { |
3733 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2e20a151 | 3734 | struct mlx5e_channels new_channels = {}; |
472a1e44 | 3735 | struct mlx5e_params *params; |
98e81b0a | 3736 | int err = 0; |
506753b0 | 3737 | bool reset; |
f62b8bb8 | 3738 | |
f62b8bb8 | 3739 | mutex_lock(&priv->state_lock); |
98e81b0a | 3740 | |
472a1e44 | 3741 | params = &priv->channels.params; |
506753b0 | 3742 | |
73281b78 | 3743 | reset = !params->lro_en; |
2e20a151 | 3744 | reset = reset && test_bit(MLX5E_STATE_OPENED, &priv->state); |
98e81b0a | 3745 | |
73281b78 TT |
3746 | new_channels.params = *params; |
3747 | new_channels.params.sw_mtu = new_mtu; | |
3748 | ||
a26a5bdf TT |
3749 | if (params->xdp_prog && |
3750 | !mlx5e_rx_is_linear_skb(priv->mdev, &new_channels.params)) { | |
3751 | netdev_err(netdev, "MTU(%d) > %d is not allowed while XDP enabled\n", | |
3752 | new_mtu, MLX5E_XDP_MAX_MTU); | |
3753 | err = -EINVAL; | |
3754 | goto out; | |
3755 | } | |
3756 | ||
99cbfa93 | 3757 | if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { |
73281b78 TT |
3758 | u8 ppw_old = mlx5e_mpwqe_log_pkts_per_wqe(params); |
3759 | u8 ppw_new = mlx5e_mpwqe_log_pkts_per_wqe(&new_channels.params); | |
3760 | ||
3761 | reset = reset && (ppw_old != ppw_new); | |
3762 | } | |
3763 | ||
2e20a151 | 3764 | if (!reset) { |
472a1e44 | 3765 | params->sw_mtu = new_mtu; |
eacecf27 AN |
3766 | if (set_mtu_cb) |
3767 | set_mtu_cb(priv); | |
472a1e44 | 3768 | netdev->mtu = params->sw_mtu; |
2e20a151 SM |
3769 | goto out; |
3770 | } | |
98e81b0a | 3771 | |
2e20a151 | 3772 | err = mlx5e_open_channels(priv, &new_channels); |
472a1e44 | 3773 | if (err) |
2e20a151 | 3774 | goto out; |
2e20a151 | 3775 | |
250a42b6 | 3776 | mlx5e_switch_priv_channels(priv, &new_channels, set_mtu_cb); |
472a1e44 | 3777 | netdev->mtu = new_channels.params.sw_mtu; |
f62b8bb8 | 3778 | |
2e20a151 SM |
3779 | out: |
3780 | mutex_unlock(&priv->state_lock); | |
f62b8bb8 AV |
3781 | return err; |
3782 | } | |
3783 | ||
250a42b6 AN |
3784 | static int mlx5e_change_nic_mtu(struct net_device *netdev, int new_mtu) |
3785 | { | |
3786 | return mlx5e_change_mtu(netdev, new_mtu, mlx5e_set_dev_port_mtu); | |
3787 | } | |
3788 | ||
7c39afb3 FD |
3789 | int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr) |
3790 | { | |
3791 | struct hwtstamp_config config; | |
3792 | int err; | |
3793 | ||
6dbc80ca MS |
3794 | if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) || |
3795 | (mlx5_clock_get_ptp_index(priv->mdev) == -1)) | |
7c39afb3 FD |
3796 | return -EOPNOTSUPP; |
3797 | ||
3798 | if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) | |
3799 | return -EFAULT; | |
3800 | ||
3801 | /* TX HW timestamp */ | |
3802 | switch (config.tx_type) { | |
3803 | case HWTSTAMP_TX_OFF: | |
3804 | case HWTSTAMP_TX_ON: | |
3805 | break; | |
3806 | default: | |
3807 | return -ERANGE; | |
3808 | } | |
3809 | ||
3810 | mutex_lock(&priv->state_lock); | |
3811 | /* RX HW timestamp */ | |
3812 | switch (config.rx_filter) { | |
3813 | case HWTSTAMP_FILTER_NONE: | |
3814 | /* Reset CQE compression to Admin default */ | |
3815 | mlx5e_modify_rx_cqe_compression_locked(priv, priv->channels.params.rx_cqe_compress_def); | |
3816 | break; | |
3817 | case HWTSTAMP_FILTER_ALL: | |
3818 | case HWTSTAMP_FILTER_SOME: | |
3819 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | |
3820 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | |
3821 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | |
3822 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | |
3823 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | |
3824 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | |
3825 | case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: | |
3826 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | |
3827 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | |
3828 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | |
3829 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | |
3830 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | |
3831 | case HWTSTAMP_FILTER_NTP_ALL: | |
3832 | /* Disable CQE compression */ | |
3833 | netdev_warn(priv->netdev, "Disabling cqe compression"); | |
3834 | err = mlx5e_modify_rx_cqe_compression_locked(priv, false); | |
3835 | if (err) { | |
3836 | netdev_err(priv->netdev, "Failed disabling cqe compression err=%d\n", err); | |
3837 | mutex_unlock(&priv->state_lock); | |
3838 | return err; | |
3839 | } | |
3840 | config.rx_filter = HWTSTAMP_FILTER_ALL; | |
3841 | break; | |
3842 | default: | |
3843 | mutex_unlock(&priv->state_lock); | |
3844 | return -ERANGE; | |
3845 | } | |
3846 | ||
3847 | memcpy(&priv->tstamp, &config, sizeof(config)); | |
3848 | mutex_unlock(&priv->state_lock); | |
3849 | ||
3850 | return copy_to_user(ifr->ifr_data, &config, | |
3851 | sizeof(config)) ? -EFAULT : 0; | |
3852 | } | |
3853 | ||
3854 | int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr) | |
3855 | { | |
3856 | struct hwtstamp_config *cfg = &priv->tstamp; | |
3857 | ||
3858 | if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz)) | |
3859 | return -EOPNOTSUPP; | |
3860 | ||
3861 | return copy_to_user(ifr->ifr_data, cfg, sizeof(*cfg)) ? -EFAULT : 0; | |
3862 | } | |
3863 | ||
ef9814de EBE |
3864 | static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
3865 | { | |
1170fbd8 FD |
3866 | struct mlx5e_priv *priv = netdev_priv(dev); |
3867 | ||
ef9814de EBE |
3868 | switch (cmd) { |
3869 | case SIOCSHWTSTAMP: | |
1170fbd8 | 3870 | return mlx5e_hwstamp_set(priv, ifr); |
ef9814de | 3871 | case SIOCGHWTSTAMP: |
1170fbd8 | 3872 | return mlx5e_hwstamp_get(priv, ifr); |
ef9814de EBE |
3873 | default: |
3874 | return -EOPNOTSUPP; | |
3875 | } | |
3876 | } | |
3877 | ||
e80541ec | 3878 | #ifdef CONFIG_MLX5_ESWITCH |
66e49ded SM |
3879 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
3880 | { | |
3881 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3882 | struct mlx5_core_dev *mdev = priv->mdev; | |
3883 | ||
3884 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); | |
3885 | } | |
3886 | ||
79aab093 MS |
3887 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos, |
3888 | __be16 vlan_proto) | |
66e49ded SM |
3889 | { |
3890 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3891 | struct mlx5_core_dev *mdev = priv->mdev; | |
3892 | ||
79aab093 MS |
3893 | if (vlan_proto != htons(ETH_P_8021Q)) |
3894 | return -EPROTONOSUPPORT; | |
3895 | ||
66e49ded SM |
3896 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, |
3897 | vlan, qos); | |
3898 | } | |
3899 | ||
f942380c MHY |
3900 | static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
3901 | { | |
3902 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3903 | struct mlx5_core_dev *mdev = priv->mdev; | |
3904 | ||
3905 | return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting); | |
3906 | } | |
3907 | ||
1edc57e2 MHY |
3908 | static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting) |
3909 | { | |
3910 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3911 | struct mlx5_core_dev *mdev = priv->mdev; | |
3912 | ||
3913 | return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting); | |
3914 | } | |
bd77bf1c MHY |
3915 | |
3916 | static int mlx5e_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, | |
3917 | int max_tx_rate) | |
3918 | { | |
3919 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3920 | struct mlx5_core_dev *mdev = priv->mdev; | |
3921 | ||
bd77bf1c | 3922 | return mlx5_eswitch_set_vport_rate(mdev->priv.eswitch, vf + 1, |
c9497c98 | 3923 | max_tx_rate, min_tx_rate); |
bd77bf1c MHY |
3924 | } |
3925 | ||
66e49ded SM |
3926 | static int mlx5_vport_link2ifla(u8 esw_link) |
3927 | { | |
3928 | switch (esw_link) { | |
cc9c82a8 | 3929 | case MLX5_VPORT_ADMIN_STATE_DOWN: |
66e49ded | 3930 | return IFLA_VF_LINK_STATE_DISABLE; |
cc9c82a8 | 3931 | case MLX5_VPORT_ADMIN_STATE_UP: |
66e49ded SM |
3932 | return IFLA_VF_LINK_STATE_ENABLE; |
3933 | } | |
3934 | return IFLA_VF_LINK_STATE_AUTO; | |
3935 | } | |
3936 | ||
3937 | static int mlx5_ifla_link2vport(u8 ifla_link) | |
3938 | { | |
3939 | switch (ifla_link) { | |
3940 | case IFLA_VF_LINK_STATE_DISABLE: | |
cc9c82a8 | 3941 | return MLX5_VPORT_ADMIN_STATE_DOWN; |
66e49ded | 3942 | case IFLA_VF_LINK_STATE_ENABLE: |
cc9c82a8 | 3943 | return MLX5_VPORT_ADMIN_STATE_UP; |
66e49ded | 3944 | } |
cc9c82a8 | 3945 | return MLX5_VPORT_ADMIN_STATE_AUTO; |
66e49ded SM |
3946 | } |
3947 | ||
3948 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, | |
3949 | int link_state) | |
3950 | { | |
3951 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3952 | struct mlx5_core_dev *mdev = priv->mdev; | |
3953 | ||
3954 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, | |
3955 | mlx5_ifla_link2vport(link_state)); | |
3956 | } | |
3957 | ||
3958 | static int mlx5e_get_vf_config(struct net_device *dev, | |
3959 | int vf, struct ifla_vf_info *ivi) | |
3960 | { | |
3961 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3962 | struct mlx5_core_dev *mdev = priv->mdev; | |
3963 | int err; | |
3964 | ||
3965 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); | |
3966 | if (err) | |
3967 | return err; | |
3968 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); | |
3969 | return 0; | |
3970 | } | |
3971 | ||
3972 | static int mlx5e_get_vf_stats(struct net_device *dev, | |
3973 | int vf, struct ifla_vf_stats *vf_stats) | |
3974 | { | |
3975 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3976 | struct mlx5_core_dev *mdev = priv->mdev; | |
3977 | ||
3978 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, | |
3979 | vf_stats); | |
3980 | } | |
e80541ec | 3981 | #endif |
66e49ded | 3982 | |
dccea6bf SM |
3983 | struct mlx5e_vxlan_work { |
3984 | struct work_struct work; | |
3985 | struct mlx5e_priv *priv; | |
3986 | u16 port; | |
3987 | }; | |
3988 | ||
3989 | static void mlx5e_vxlan_add_work(struct work_struct *work) | |
3990 | { | |
3991 | struct mlx5e_vxlan_work *vxlan_work = | |
3992 | container_of(work, struct mlx5e_vxlan_work, work); | |
3993 | struct mlx5e_priv *priv = vxlan_work->priv; | |
3994 | u16 port = vxlan_work->port; | |
3995 | ||
3996 | mutex_lock(&priv->state_lock); | |
358aa5ce | 3997 | mlx5_vxlan_add_port(priv->mdev->vxlan, port); |
dccea6bf SM |
3998 | mutex_unlock(&priv->state_lock); |
3999 | ||
4000 | kfree(vxlan_work); | |
4001 | } | |
4002 | ||
4003 | static void mlx5e_vxlan_del_work(struct work_struct *work) | |
4004 | { | |
4005 | struct mlx5e_vxlan_work *vxlan_work = | |
4006 | container_of(work, struct mlx5e_vxlan_work, work); | |
4007 | struct mlx5e_priv *priv = vxlan_work->priv; | |
4008 | u16 port = vxlan_work->port; | |
4009 | ||
4010 | mutex_lock(&priv->state_lock); | |
358aa5ce | 4011 | mlx5_vxlan_del_port(priv->mdev->vxlan, port); |
dccea6bf SM |
4012 | mutex_unlock(&priv->state_lock); |
4013 | kfree(vxlan_work); | |
4014 | } | |
4015 | ||
4016 | static void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, u16 port, int add) | |
4017 | { | |
4018 | struct mlx5e_vxlan_work *vxlan_work; | |
4019 | ||
4020 | vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC); | |
4021 | if (!vxlan_work) | |
4022 | return; | |
4023 | ||
4024 | if (add) | |
4025 | INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_work); | |
4026 | else | |
4027 | INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_work); | |
4028 | ||
4029 | vxlan_work->priv = priv; | |
4030 | vxlan_work->port = port; | |
4031 | queue_work(priv->wq, &vxlan_work->work); | |
4032 | } | |
4033 | ||
1ad9a00a PB |
4034 | static void mlx5e_add_vxlan_port(struct net_device *netdev, |
4035 | struct udp_tunnel_info *ti) | |
b3f63c3d MF |
4036 | { |
4037 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4038 | ||
974c3f30 AD |
4039 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
4040 | return; | |
4041 | ||
358aa5ce | 4042 | if (!mlx5_vxlan_allowed(priv->mdev->vxlan)) |
b3f63c3d MF |
4043 | return; |
4044 | ||
278d7f3d | 4045 | mlx5e_vxlan_queue_work(priv, be16_to_cpu(ti->port), 1); |
b3f63c3d MF |
4046 | } |
4047 | ||
1ad9a00a PB |
4048 | static void mlx5e_del_vxlan_port(struct net_device *netdev, |
4049 | struct udp_tunnel_info *ti) | |
b3f63c3d MF |
4050 | { |
4051 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4052 | ||
974c3f30 AD |
4053 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
4054 | return; | |
4055 | ||
358aa5ce | 4056 | if (!mlx5_vxlan_allowed(priv->mdev->vxlan)) |
b3f63c3d MF |
4057 | return; |
4058 | ||
278d7f3d | 4059 | mlx5e_vxlan_queue_work(priv, be16_to_cpu(ti->port), 0); |
b3f63c3d MF |
4060 | } |
4061 | ||
27299841 GP |
4062 | static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, |
4063 | struct sk_buff *skb, | |
4064 | netdev_features_t features) | |
b3f63c3d | 4065 | { |
2989ad1e | 4066 | unsigned int offset = 0; |
b3f63c3d | 4067 | struct udphdr *udph; |
27299841 GP |
4068 | u8 proto; |
4069 | u16 port; | |
b3f63c3d MF |
4070 | |
4071 | switch (vlan_get_protocol(skb)) { | |
4072 | case htons(ETH_P_IP): | |
4073 | proto = ip_hdr(skb)->protocol; | |
4074 | break; | |
4075 | case htons(ETH_P_IPV6): | |
2989ad1e | 4076 | proto = ipv6_find_hdr(skb, &offset, -1, NULL, NULL); |
b3f63c3d MF |
4077 | break; |
4078 | default: | |
4079 | goto out; | |
4080 | } | |
4081 | ||
27299841 GP |
4082 | switch (proto) { |
4083 | case IPPROTO_GRE: | |
4084 | return features; | |
4085 | case IPPROTO_UDP: | |
b3f63c3d MF |
4086 | udph = udp_hdr(skb); |
4087 | port = be16_to_cpu(udph->dest); | |
b3f63c3d | 4088 | |
27299841 | 4089 | /* Verify if UDP port is being offloaded by HW */ |
358aa5ce | 4090 | if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, port)) |
27299841 GP |
4091 | return features; |
4092 | } | |
b3f63c3d MF |
4093 | |
4094 | out: | |
4095 | /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ | |
4096 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); | |
4097 | } | |
4098 | ||
4099 | static netdev_features_t mlx5e_features_check(struct sk_buff *skb, | |
4100 | struct net_device *netdev, | |
4101 | netdev_features_t features) | |
4102 | { | |
4103 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4104 | ||
4105 | features = vlan_features_check(skb, features); | |
4106 | features = vxlan_features_check(skb, features); | |
4107 | ||
2ac9cfe7 IT |
4108 | #ifdef CONFIG_MLX5_EN_IPSEC |
4109 | if (mlx5e_ipsec_feature_check(skb, netdev, features)) | |
4110 | return features; | |
4111 | #endif | |
4112 | ||
b3f63c3d MF |
4113 | /* Validate if the tunneled packet is being offloaded by HW */ |
4114 | if (skb->encapsulation && | |
4115 | (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK)) | |
27299841 | 4116 | return mlx5e_tunnel_features_check(priv, skb, features); |
b3f63c3d MF |
4117 | |
4118 | return features; | |
4119 | } | |
4120 | ||
7ca560b5 EBE |
4121 | static bool mlx5e_tx_timeout_eq_recover(struct net_device *dev, |
4122 | struct mlx5e_txqsq *sq) | |
4123 | { | |
7b2117bb | 4124 | struct mlx5_eq *eq = sq->cq.mcq.eq; |
7ca560b5 EBE |
4125 | u32 eqe_count; |
4126 | ||
7ca560b5 | 4127 | netdev_err(dev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n", |
7b2117bb | 4128 | eq->eqn, eq->cons_index, eq->irqn); |
7ca560b5 EBE |
4129 | |
4130 | eqe_count = mlx5_eq_poll_irq_disabled(eq); | |
4131 | if (!eqe_count) | |
4132 | return false; | |
4133 | ||
4134 | netdev_err(dev, "Recover %d eqes on EQ 0x%x\n", eqe_count, eq->eqn); | |
05909bab | 4135 | sq->channel->stats->eq_rearm++; |
7ca560b5 EBE |
4136 | return true; |
4137 | } | |
4138 | ||
bfc647d5 | 4139 | static void mlx5e_tx_timeout_work(struct work_struct *work) |
3947ca18 | 4140 | { |
bfc647d5 EBE |
4141 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, |
4142 | tx_timeout_work); | |
4143 | struct net_device *dev = priv->netdev; | |
7ca560b5 | 4144 | bool reopen_channels = false; |
bfc647d5 | 4145 | int i, err; |
3947ca18 | 4146 | |
bfc647d5 EBE |
4147 | rtnl_lock(); |
4148 | mutex_lock(&priv->state_lock); | |
4149 | ||
4150 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
4151 | goto unlock; | |
3947ca18 | 4152 | |
6a9764ef | 4153 | for (i = 0; i < priv->channels.num * priv->channels.params.num_tc; i++) { |
84990945 | 4154 | struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, i); |
acc6c595 | 4155 | struct mlx5e_txqsq *sq = priv->txq2sq[i]; |
3947ca18 | 4156 | |
84990945 | 4157 | if (!netif_xmit_stopped(dev_queue)) |
3947ca18 | 4158 | continue; |
bfc647d5 EBE |
4159 | |
4160 | netdev_err(dev, | |
4161 | "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x, usecs since last trans: %u\n", | |
84990945 EBE |
4162 | i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc, |
4163 | jiffies_to_usecs(jiffies - dev_queue->trans_start)); | |
3a32b26a | 4164 | |
7ca560b5 EBE |
4165 | /* If we recover a lost interrupt, most likely TX timeout will |
4166 | * be resolved, skip reopening channels | |
4167 | */ | |
4168 | if (!mlx5e_tx_timeout_eq_recover(dev, sq)) { | |
4169 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
4170 | reopen_channels = true; | |
4171 | } | |
3947ca18 DJ |
4172 | } |
4173 | ||
bfc647d5 EBE |
4174 | if (!reopen_channels) |
4175 | goto unlock; | |
4176 | ||
4177 | mlx5e_close_locked(dev); | |
4178 | err = mlx5e_open_locked(dev); | |
4179 | if (err) | |
4180 | netdev_err(priv->netdev, | |
4181 | "mlx5e_open_locked failed recovering from a tx_timeout, err(%d).\n", | |
4182 | err); | |
4183 | ||
4184 | unlock: | |
4185 | mutex_unlock(&priv->state_lock); | |
4186 | rtnl_unlock(); | |
4187 | } | |
4188 | ||
4189 | static void mlx5e_tx_timeout(struct net_device *dev) | |
4190 | { | |
4191 | struct mlx5e_priv *priv = netdev_priv(dev); | |
4192 | ||
4193 | netdev_err(dev, "TX timeout detected\n"); | |
4194 | queue_work(priv->wq, &priv->tx_timeout_work); | |
3947ca18 DJ |
4195 | } |
4196 | ||
a26a5bdf | 4197 | static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog) |
0ec13877 TT |
4198 | { |
4199 | struct net_device *netdev = priv->netdev; | |
a26a5bdf | 4200 | struct mlx5e_channels new_channels = {}; |
0ec13877 TT |
4201 | |
4202 | if (priv->channels.params.lro_en) { | |
4203 | netdev_warn(netdev, "can't set XDP while LRO is on, disable LRO first\n"); | |
4204 | return -EINVAL; | |
4205 | } | |
4206 | ||
4207 | if (MLX5_IPSEC_DEV(priv->mdev)) { | |
4208 | netdev_warn(netdev, "can't set XDP with IPSec offload\n"); | |
4209 | return -EINVAL; | |
4210 | } | |
4211 | ||
a26a5bdf TT |
4212 | new_channels.params = priv->channels.params; |
4213 | new_channels.params.xdp_prog = prog; | |
4214 | ||
4215 | if (!mlx5e_rx_is_linear_skb(priv->mdev, &new_channels.params)) { | |
4216 | netdev_warn(netdev, "XDP is not allowed with MTU(%d) > %d\n", | |
4217 | new_channels.params.sw_mtu, MLX5E_XDP_MAX_MTU); | |
4218 | return -EINVAL; | |
4219 | } | |
4220 | ||
0ec13877 TT |
4221 | return 0; |
4222 | } | |
4223 | ||
86994156 RS |
4224 | static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) |
4225 | { | |
4226 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4227 | struct bpf_prog *old_prog; | |
86994156 | 4228 | bool reset, was_opened; |
96d39502 | 4229 | int err = 0; |
86994156 RS |
4230 | int i; |
4231 | ||
4232 | mutex_lock(&priv->state_lock); | |
4233 | ||
0ec13877 | 4234 | if (prog) { |
a26a5bdf | 4235 | err = mlx5e_xdp_allowed(priv, prog); |
0ec13877 TT |
4236 | if (err) |
4237 | goto unlock; | |
547eede0 IT |
4238 | } |
4239 | ||
86994156 RS |
4240 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
4241 | /* no need for full reset when exchanging programs */ | |
6a9764ef | 4242 | reset = (!priv->channels.params.xdp_prog || !prog); |
86994156 RS |
4243 | |
4244 | if (was_opened && reset) | |
4245 | mlx5e_close_locked(netdev); | |
c54c0629 DB |
4246 | if (was_opened && !reset) { |
4247 | /* num_channels is invariant here, so we can take the | |
4248 | * batched reference right upfront. | |
4249 | */ | |
6a9764ef | 4250 | prog = bpf_prog_add(prog, priv->channels.num); |
c54c0629 DB |
4251 | if (IS_ERR(prog)) { |
4252 | err = PTR_ERR(prog); | |
4253 | goto unlock; | |
4254 | } | |
4255 | } | |
86994156 | 4256 | |
c54c0629 DB |
4257 | /* exchange programs, extra prog reference we got from caller |
4258 | * as long as we don't fail from this point onwards. | |
4259 | */ | |
6a9764ef | 4260 | old_prog = xchg(&priv->channels.params.xdp_prog, prog); |
86994156 RS |
4261 | if (old_prog) |
4262 | bpf_prog_put(old_prog); | |
4263 | ||
4264 | if (reset) /* change RQ type according to priv->xdp_prog */ | |
2a0f561b | 4265 | mlx5e_set_rq_type(priv->mdev, &priv->channels.params); |
86994156 RS |
4266 | |
4267 | if (was_opened && reset) | |
4268 | mlx5e_open_locked(netdev); | |
4269 | ||
4270 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || reset) | |
4271 | goto unlock; | |
4272 | ||
4273 | /* exchanging programs w/o reset, we update ref counts on behalf | |
4274 | * of the channels RQs here. | |
4275 | */ | |
ff9c852f SM |
4276 | for (i = 0; i < priv->channels.num; i++) { |
4277 | struct mlx5e_channel *c = priv->channels.c[i]; | |
86994156 | 4278 | |
c0f1147d | 4279 | clear_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); |
86994156 RS |
4280 | napi_synchronize(&c->napi); |
4281 | /* prevent mlx5e_poll_rx_cq from accessing rq->xdp_prog */ | |
4282 | ||
4283 | old_prog = xchg(&c->rq.xdp_prog, prog); | |
4284 | ||
c0f1147d | 4285 | set_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); |
86994156 | 4286 | /* napi_schedule in case we have missed anything */ |
86994156 RS |
4287 | napi_schedule(&c->napi); |
4288 | ||
4289 | if (old_prog) | |
4290 | bpf_prog_put(old_prog); | |
4291 | } | |
4292 | ||
4293 | unlock: | |
4294 | mutex_unlock(&priv->state_lock); | |
4295 | return err; | |
4296 | } | |
4297 | ||
821b2e29 | 4298 | static u32 mlx5e_xdp_query(struct net_device *dev) |
86994156 RS |
4299 | { |
4300 | struct mlx5e_priv *priv = netdev_priv(dev); | |
821b2e29 MKL |
4301 | const struct bpf_prog *xdp_prog; |
4302 | u32 prog_id = 0; | |
86994156 | 4303 | |
821b2e29 MKL |
4304 | mutex_lock(&priv->state_lock); |
4305 | xdp_prog = priv->channels.params.xdp_prog; | |
4306 | if (xdp_prog) | |
4307 | prog_id = xdp_prog->aux->id; | |
4308 | mutex_unlock(&priv->state_lock); | |
4309 | ||
4310 | return prog_id; | |
86994156 RS |
4311 | } |
4312 | ||
f4e63525 | 4313 | static int mlx5e_xdp(struct net_device *dev, struct netdev_bpf *xdp) |
86994156 RS |
4314 | { |
4315 | switch (xdp->command) { | |
4316 | case XDP_SETUP_PROG: | |
4317 | return mlx5e_xdp_set(dev, xdp->prog); | |
4318 | case XDP_QUERY_PROG: | |
821b2e29 | 4319 | xdp->prog_id = mlx5e_xdp_query(dev); |
86994156 RS |
4320 | return 0; |
4321 | default: | |
4322 | return -EINVAL; | |
4323 | } | |
4324 | } | |
4325 | ||
4d8fcf21 | 4326 | const struct net_device_ops mlx5e_netdev_ops = { |
f62b8bb8 AV |
4327 | .ndo_open = mlx5e_open, |
4328 | .ndo_stop = mlx5e_close, | |
4329 | .ndo_start_xmit = mlx5e_xmit, | |
0cf0f6d3 | 4330 | .ndo_setup_tc = mlx5e_setup_tc, |
08fb1dac | 4331 | .ndo_select_queue = mlx5e_select_queue, |
f62b8bb8 AV |
4332 | .ndo_get_stats64 = mlx5e_get_stats, |
4333 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
4334 | .ndo_set_mac_address = mlx5e_set_mac, | |
b0eed40e SM |
4335 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
4336 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
f62b8bb8 | 4337 | .ndo_set_features = mlx5e_set_features, |
7d92d580 | 4338 | .ndo_fix_features = mlx5e_fix_features, |
250a42b6 | 4339 | .ndo_change_mtu = mlx5e_change_nic_mtu, |
b0eed40e | 4340 | .ndo_do_ioctl = mlx5e_ioctl, |
507f0c81 | 4341 | .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate, |
706b3583 SM |
4342 | .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, |
4343 | .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, | |
4344 | .ndo_features_check = mlx5e_features_check, | |
3947ca18 | 4345 | .ndo_tx_timeout = mlx5e_tx_timeout, |
f4e63525 | 4346 | .ndo_bpf = mlx5e_xdp, |
58b99ee3 | 4347 | .ndo_xdp_xmit = mlx5e_xdp_xmit, |
ec080045 SM |
4348 | #ifdef CONFIG_MLX5_EN_ARFS |
4349 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, | |
4350 | #endif | |
e80541ec | 4351 | #ifdef CONFIG_MLX5_ESWITCH |
706b3583 | 4352 | /* SRIOV E-Switch NDOs */ |
b0eed40e SM |
4353 | .ndo_set_vf_mac = mlx5e_set_vf_mac, |
4354 | .ndo_set_vf_vlan = mlx5e_set_vf_vlan, | |
f942380c | 4355 | .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk, |
1edc57e2 | 4356 | .ndo_set_vf_trust = mlx5e_set_vf_trust, |
bd77bf1c | 4357 | .ndo_set_vf_rate = mlx5e_set_vf_rate, |
b0eed40e SM |
4358 | .ndo_get_vf_config = mlx5e_get_vf_config, |
4359 | .ndo_set_vf_link_state = mlx5e_set_vf_link_state, | |
4360 | .ndo_get_vf_stats = mlx5e_get_vf_stats, | |
370bad0f OG |
4361 | .ndo_has_offload_stats = mlx5e_has_offload_stats, |
4362 | .ndo_get_offload_stats = mlx5e_get_offload_stats, | |
e80541ec | 4363 | #endif |
f62b8bb8 AV |
4364 | }; |
4365 | ||
4366 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) | |
4367 | { | |
4368 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) | |
9eb78923 | 4369 | return -EOPNOTSUPP; |
f62b8bb8 AV |
4370 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || |
4371 | !MLX5_CAP_GEN(mdev, nic_flow_table) || | |
4372 | !MLX5_CAP_ETH(mdev, csum_cap) || | |
4373 | !MLX5_CAP_ETH(mdev, max_lso_cap) || | |
4374 | !MLX5_CAP_ETH(mdev, vlan_cap) || | |
796a27ec GP |
4375 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
4376 | MLX5_CAP_FLOWTABLE(mdev, | |
4377 | flow_table_properties_nic_receive.max_ft_level) | |
4378 | < 3) { | |
f62b8bb8 AV |
4379 | mlx5_core_warn(mdev, |
4380 | "Not creating net device, some required device capabilities are missing\n"); | |
9eb78923 | 4381 | return -EOPNOTSUPP; |
f62b8bb8 | 4382 | } |
66189961 TT |
4383 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
4384 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); | |
7524a5d8 | 4385 | if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
3e432ab6 | 4386 | mlx5_core_warn(mdev, "CQ moderation is not supported\n"); |
66189961 | 4387 | |
f62b8bb8 AV |
4388 | return 0; |
4389 | } | |
4390 | ||
d4b6c488 | 4391 | void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len, |
85082dba TT |
4392 | int num_channels) |
4393 | { | |
4394 | int i; | |
4395 | ||
4396 | for (i = 0; i < len; i++) | |
4397 | indirection_rqt[i] = i % num_channels; | |
4398 | } | |
4399 | ||
0608d4db | 4400 | static bool slow_pci_heuristic(struct mlx5_core_dev *mdev) |
b797a684 | 4401 | { |
0608d4db TT |
4402 | u32 link_speed = 0; |
4403 | u32 pci_bw = 0; | |
b797a684 | 4404 | |
2c81bfd5 | 4405 | mlx5e_port_max_linkspeed(mdev, &link_speed); |
3c0d551e | 4406 | pci_bw = pcie_bandwidth_available(mdev->pdev, NULL, NULL, NULL); |
0608d4db TT |
4407 | mlx5_core_dbg_once(mdev, "Max link speed = %d, PCI BW = %d\n", |
4408 | link_speed, pci_bw); | |
4409 | ||
4410 | #define MLX5E_SLOW_PCI_RATIO (2) | |
4411 | ||
4412 | return link_speed && pci_bw && | |
4413 | link_speed > MLX5E_SLOW_PCI_RATIO * pci_bw; | |
0f6e4cf6 EBE |
4414 | } |
4415 | ||
cbce4f44 | 4416 | static struct net_dim_cq_moder mlx5e_get_def_tx_moderation(u8 cq_period_mode) |
0088cbbc | 4417 | { |
cbce4f44 TG |
4418 | struct net_dim_cq_moder moder; |
4419 | ||
4420 | moder.cq_period_mode = cq_period_mode; | |
4421 | moder.pkts = MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; | |
4422 | moder.usec = MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; | |
4423 | if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE) | |
4424 | moder.usec = MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE; | |
4425 | ||
4426 | return moder; | |
4427 | } | |
0088cbbc | 4428 | |
cbce4f44 TG |
4429 | static struct net_dim_cq_moder mlx5e_get_def_rx_moderation(u8 cq_period_mode) |
4430 | { | |
4431 | struct net_dim_cq_moder moder; | |
0088cbbc | 4432 | |
cbce4f44 TG |
4433 | moder.cq_period_mode = cq_period_mode; |
4434 | moder.pkts = MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; | |
4435 | moder.usec = MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; | |
0088cbbc | 4436 | if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE) |
cbce4f44 TG |
4437 | moder.usec = MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE; |
4438 | ||
4439 | return moder; | |
4440 | } | |
4441 | ||
4442 | static u8 mlx5_to_net_dim_cq_period_mode(u8 cq_period_mode) | |
4443 | { | |
4444 | return cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE ? | |
4445 | NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE : | |
4446 | NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE; | |
4447 | } | |
4448 | ||
4449 | void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode) | |
4450 | { | |
4451 | if (params->tx_dim_enabled) { | |
4452 | u8 dim_period_mode = mlx5_to_net_dim_cq_period_mode(cq_period_mode); | |
4453 | ||
4454 | params->tx_cq_moderation = net_dim_get_def_tx_moderation(dim_period_mode); | |
4455 | } else { | |
4456 | params->tx_cq_moderation = mlx5e_get_def_tx_moderation(cq_period_mode); | |
4457 | } | |
0088cbbc TG |
4458 | |
4459 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_TX_CQE_BASED_MODER, | |
4460 | params->tx_cq_moderation.cq_period_mode == | |
4461 | MLX5_CQ_PERIOD_MODE_START_FROM_CQE); | |
4462 | } | |
4463 | ||
9908aa29 TT |
4464 | void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode) |
4465 | { | |
9a317425 | 4466 | if (params->rx_dim_enabled) { |
cbce4f44 TG |
4467 | u8 dim_period_mode = mlx5_to_net_dim_cq_period_mode(cq_period_mode); |
4468 | ||
4469 | params->rx_cq_moderation = net_dim_get_def_rx_moderation(dim_period_mode); | |
4470 | } else { | |
4471 | params->rx_cq_moderation = mlx5e_get_def_rx_moderation(cq_period_mode); | |
9a317425 | 4472 | } |
457fcd8a | 4473 | |
6a9764ef | 4474 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_BASED_MODER, |
0088cbbc TG |
4475 | params->rx_cq_moderation.cq_period_mode == |
4476 | MLX5_CQ_PERIOD_MODE_START_FROM_CQE); | |
9908aa29 TT |
4477 | } |
4478 | ||
707129dc | 4479 | static u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout) |
2b029556 SM |
4480 | { |
4481 | int i; | |
4482 | ||
4483 | /* The supported periods are organized in ascending order */ | |
4484 | for (i = 0; i < MLX5E_LRO_TIMEOUT_ARR_SIZE - 1; i++) | |
4485 | if (MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]) >= wanted_timeout) | |
4486 | break; | |
4487 | ||
4488 | return MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]); | |
4489 | } | |
4490 | ||
749359f4 GT |
4491 | void mlx5e_build_rq_params(struct mlx5_core_dev *mdev, |
4492 | struct mlx5e_params *params) | |
4493 | { | |
4494 | /* Prefer Striding RQ, unless any of the following holds: | |
4495 | * - Striding RQ configuration is not possible/supported. | |
4496 | * - Slow PCI heuristic. | |
4497 | * - Legacy RQ would use linear SKB while Striding RQ would use non-linear. | |
4498 | */ | |
4499 | if (!slow_pci_heuristic(mdev) && | |
4500 | mlx5e_striding_rq_possible(mdev, params) && | |
4501 | (mlx5e_rx_mpwqe_is_linear_skb(mdev, params) || | |
4502 | !mlx5e_rx_is_linear_skb(mdev, params))) | |
4503 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ, true); | |
4504 | mlx5e_set_rq_type(mdev, params); | |
4505 | mlx5e_init_rq_type_params(mdev, params); | |
4506 | } | |
4507 | ||
3edc0159 GT |
4508 | void mlx5e_build_rss_params(struct mlx5e_params *params) |
4509 | { | |
4510 | params->rss_hfunc = ETH_RSS_HASH_XOR; | |
4511 | netdev_rss_key_fill(params->toeplitz_hash_key, sizeof(params->toeplitz_hash_key)); | |
4512 | mlx5e_build_default_indir_rqt(params->indirection_rqt, | |
4513 | MLX5E_INDIR_RQT_SIZE, params->num_channels); | |
4514 | } | |
4515 | ||
8f493ffd SM |
4516 | void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, |
4517 | struct mlx5e_params *params, | |
472a1e44 | 4518 | u16 max_channels, u16 mtu) |
f62b8bb8 | 4519 | { |
48bfc397 | 4520 | u8 rx_cq_period_mode; |
2fc4bfb7 | 4521 | |
472a1e44 TT |
4522 | params->sw_mtu = mtu; |
4523 | params->hard_mtu = MLX5E_ETH_HARD_MTU; | |
6a9764ef SM |
4524 | params->num_channels = max_channels; |
4525 | params->num_tc = 1; | |
2b029556 | 4526 | |
6a9764ef SM |
4527 | /* SQ */ |
4528 | params->log_sq_size = is_kdump_kernel() ? | |
b4e029da KH |
4529 | MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE : |
4530 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; | |
461017cb | 4531 | |
b797a684 | 4532 | /* set CQE compression */ |
6a9764ef | 4533 | params->rx_cqe_compress_def = false; |
b797a684 | 4534 | if (MLX5_CAP_GEN(mdev, cqe_compression) && |
e53eef63 | 4535 | MLX5_CAP_GEN(mdev, vport_group_manager)) |
0608d4db | 4536 | params->rx_cqe_compress_def = slow_pci_heuristic(mdev); |
0f6e4cf6 | 4537 | |
6a9764ef | 4538 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS, params->rx_cqe_compress_def); |
b856df28 | 4539 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE, false); |
6a9764ef SM |
4540 | |
4541 | /* RQ */ | |
749359f4 | 4542 | mlx5e_build_rq_params(mdev, params); |
b797a684 | 4543 | |
6a9764ef | 4544 | /* HW LRO */ |
c139dbfd | 4545 | |
5426a0b2 | 4546 | /* TODO: && MLX5_CAP_ETH(mdev, lro_cap) */ |
6a9764ef | 4547 | if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) |
619a8f2a TT |
4548 | if (!mlx5e_rx_mpwqe_is_linear_skb(mdev, params)) |
4549 | params->lro_en = !slow_pci_heuristic(mdev); | |
6a9764ef | 4550 | params->lro_timeout = mlx5e_choose_lro_timeout(mdev, MLX5E_DEFAULT_LRO_TIMEOUT); |
b0d4660b | 4551 | |
6a9764ef | 4552 | /* CQ moderation params */ |
48bfc397 | 4553 | rx_cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? |
6a9764ef SM |
4554 | MLX5_CQ_PERIOD_MODE_START_FROM_CQE : |
4555 | MLX5_CQ_PERIOD_MODE_START_FROM_EQE; | |
9a317425 | 4556 | params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation); |
cbce4f44 | 4557 | params->tx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation); |
48bfc397 TG |
4558 | mlx5e_set_rx_cq_mode_params(params, rx_cq_period_mode); |
4559 | mlx5e_set_tx_cq_mode_params(params, MLX5_CQ_PERIOD_MODE_START_FROM_EQE); | |
9908aa29 | 4560 | |
6a9764ef | 4561 | /* TX inline */ |
fbcb127e | 4562 | params->tx_min_inline_mode = mlx5e_params_calculate_tx_min_inline(mdev); |
a6f402e4 | 4563 | |
6a9764ef | 4564 | /* RSS */ |
3edc0159 | 4565 | mlx5e_build_rss_params(params); |
6a9764ef | 4566 | } |
f62b8bb8 | 4567 | |
f62b8bb8 AV |
4568 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) |
4569 | { | |
4570 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4571 | ||
e1d7d349 | 4572 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
108805fc SM |
4573 | if (is_zero_ether_addr(netdev->dev_addr) && |
4574 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { | |
4575 | eth_hw_addr_random(netdev); | |
4576 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); | |
4577 | } | |
f62b8bb8 AV |
4578 | } |
4579 | ||
f125376b | 4580 | #if IS_ENABLED(CONFIG_MLX5_ESWITCH) |
cb67b832 HHZ |
4581 | static const struct switchdev_ops mlx5e_switchdev_ops = { |
4582 | .switchdev_port_attr_get = mlx5e_attr_get, | |
4583 | }; | |
e80541ec | 4584 | #endif |
cb67b832 | 4585 | |
6bfd390b | 4586 | static void mlx5e_build_nic_netdev(struct net_device *netdev) |
f62b8bb8 AV |
4587 | { |
4588 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
4589 | struct mlx5_core_dev *mdev = priv->mdev; | |
94cb1ebb EBE |
4590 | bool fcs_supported; |
4591 | bool fcs_enabled; | |
f62b8bb8 AV |
4592 | |
4593 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); | |
4594 | ||
e80541ec SM |
4595 | netdev->netdev_ops = &mlx5e_netdev_ops; |
4596 | ||
08fb1dac | 4597 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
e80541ec SM |
4598 | if (MLX5_CAP_GEN(mdev, vport_group_manager) && MLX5_CAP_GEN(mdev, qos)) |
4599 | netdev->dcbnl_ops = &mlx5e_dcbnl_ops; | |
08fb1dac | 4600 | #endif |
66e49ded | 4601 | |
f62b8bb8 AV |
4602 | netdev->watchdog_timeo = 15 * HZ; |
4603 | ||
4604 | netdev->ethtool_ops = &mlx5e_ethtool_ops; | |
4605 | ||
12be4b21 | 4606 | netdev->vlan_features |= NETIF_F_SG; |
f62b8bb8 AV |
4607 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
4608 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; | |
4609 | netdev->vlan_features |= NETIF_F_GRO; | |
4610 | netdev->vlan_features |= NETIF_F_TSO; | |
4611 | netdev->vlan_features |= NETIF_F_TSO6; | |
4612 | netdev->vlan_features |= NETIF_F_RXCSUM; | |
4613 | netdev->vlan_features |= NETIF_F_RXHASH; | |
4614 | ||
71186172 AH |
4615 | netdev->hw_enc_features |= NETIF_F_HW_VLAN_CTAG_TX; |
4616 | netdev->hw_enc_features |= NETIF_F_HW_VLAN_CTAG_RX; | |
4617 | ||
6c3a823e TT |
4618 | if (!!MLX5_CAP_ETH(mdev, lro_cap) && |
4619 | mlx5e_check_fragmented_striding_rq_cap(mdev)) | |
f62b8bb8 AV |
4620 | netdev->vlan_features |= NETIF_F_LRO; |
4621 | ||
4622 | netdev->hw_features = netdev->vlan_features; | |
e4cf27bd | 4623 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
f62b8bb8 AV |
4624 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
4625 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; | |
4382c7b9 | 4626 | netdev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; |
f62b8bb8 | 4627 | |
358aa5ce | 4628 | if (mlx5_vxlan_allowed(mdev->vxlan) || MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) { |
b3f63c3d | 4629 | netdev->hw_enc_features |= NETIF_F_IP_CSUM; |
f3ed653c | 4630 | netdev->hw_enc_features |= NETIF_F_IPV6_CSUM; |
b3f63c3d MF |
4631 | netdev->hw_enc_features |= NETIF_F_TSO; |
4632 | netdev->hw_enc_features |= NETIF_F_TSO6; | |
27299841 GP |
4633 | netdev->hw_enc_features |= NETIF_F_GSO_PARTIAL; |
4634 | } | |
4635 | ||
358aa5ce | 4636 | if (mlx5_vxlan_allowed(mdev->vxlan)) { |
27299841 GP |
4637 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
4638 | NETIF_F_GSO_UDP_TUNNEL_CSUM; | |
4639 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL | | |
4640 | NETIF_F_GSO_UDP_TUNNEL_CSUM; | |
b49663c8 | 4641 | netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; |
b3f63c3d MF |
4642 | } |
4643 | ||
27299841 GP |
4644 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) { |
4645 | netdev->hw_features |= NETIF_F_GSO_GRE | | |
4646 | NETIF_F_GSO_GRE_CSUM; | |
4647 | netdev->hw_enc_features |= NETIF_F_GSO_GRE | | |
4648 | NETIF_F_GSO_GRE_CSUM; | |
4649 | netdev->gso_partial_features |= NETIF_F_GSO_GRE | | |
4650 | NETIF_F_GSO_GRE_CSUM; | |
4651 | } | |
4652 | ||
3f44899e BP |
4653 | netdev->hw_features |= NETIF_F_GSO_PARTIAL; |
4654 | netdev->gso_partial_features |= NETIF_F_GSO_UDP_L4; | |
4655 | netdev->hw_features |= NETIF_F_GSO_UDP_L4; | |
4656 | netdev->features |= NETIF_F_GSO_UDP_L4; | |
4657 | ||
94cb1ebb EBE |
4658 | mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); |
4659 | ||
4660 | if (fcs_supported) | |
4661 | netdev->hw_features |= NETIF_F_RXALL; | |
4662 | ||
102722fc GE |
4663 | if (MLX5_CAP_ETH(mdev, scatter_fcs)) |
4664 | netdev->hw_features |= NETIF_F_RXFCS; | |
4665 | ||
f62b8bb8 | 4666 | netdev->features = netdev->hw_features; |
6a9764ef | 4667 | if (!priv->channels.params.lro_en) |
f62b8bb8 AV |
4668 | netdev->features &= ~NETIF_F_LRO; |
4669 | ||
94cb1ebb EBE |
4670 | if (fcs_enabled) |
4671 | netdev->features &= ~NETIF_F_RXALL; | |
4672 | ||
102722fc GE |
4673 | if (!priv->channels.params.scatter_fcs_en) |
4674 | netdev->features &= ~NETIF_F_RXFCS; | |
4675 | ||
e8f887ac AV |
4676 | #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) |
4677 | if (FT_CAP(flow_modify_en) && | |
4678 | FT_CAP(modify_root) && | |
4679 | FT_CAP(identified_miss_table_mode) && | |
1cabe6b0 MG |
4680 | FT_CAP(flow_table_modify)) { |
4681 | netdev->hw_features |= NETIF_F_HW_TC; | |
ec080045 | 4682 | #ifdef CONFIG_MLX5_EN_ARFS |
1cabe6b0 MG |
4683 | netdev->hw_features |= NETIF_F_NTUPLE; |
4684 | #endif | |
4685 | } | |
e8f887ac | 4686 | |
f62b8bb8 | 4687 | netdev->features |= NETIF_F_HIGHDMA; |
7d92d580 | 4688 | netdev->features |= NETIF_F_HW_VLAN_STAG_FILTER; |
f62b8bb8 AV |
4689 | |
4690 | netdev->priv_flags |= IFF_UNICAST_FLT; | |
4691 | ||
4692 | mlx5e_set_netdev_dev_addr(netdev); | |
cb67b832 | 4693 | |
f125376b | 4694 | #if IS_ENABLED(CONFIG_MLX5_ESWITCH) |
733d3e54 | 4695 | if (MLX5_ESWITCH_MANAGER(mdev)) |
cb67b832 HHZ |
4696 | netdev->switchdev_ops = &mlx5e_switchdev_ops; |
4697 | #endif | |
547eede0 IT |
4698 | |
4699 | mlx5e_ipsec_build_netdev(priv); | |
c83294b9 | 4700 | mlx5e_tls_build_netdev(priv); |
f62b8bb8 AV |
4701 | } |
4702 | ||
1462e48d | 4703 | void mlx5e_create_q_counters(struct mlx5e_priv *priv) |
593cf338 RS |
4704 | { |
4705 | struct mlx5_core_dev *mdev = priv->mdev; | |
4706 | int err; | |
4707 | ||
4708 | err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter); | |
4709 | if (err) { | |
4710 | mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err); | |
4711 | priv->q_counter = 0; | |
4712 | } | |
7cbaf9a3 MS |
4713 | |
4714 | err = mlx5_core_alloc_q_counter(mdev, &priv->drop_rq_q_counter); | |
4715 | if (err) { | |
4716 | mlx5_core_warn(mdev, "alloc drop RQ counter failed, %d\n", err); | |
4717 | priv->drop_rq_q_counter = 0; | |
4718 | } | |
593cf338 RS |
4719 | } |
4720 | ||
1462e48d | 4721 | void mlx5e_destroy_q_counters(struct mlx5e_priv *priv) |
593cf338 | 4722 | { |
7cbaf9a3 MS |
4723 | if (priv->q_counter) |
4724 | mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter); | |
593cf338 | 4725 | |
7cbaf9a3 MS |
4726 | if (priv->drop_rq_q_counter) |
4727 | mlx5_core_dealloc_q_counter(priv->mdev, priv->drop_rq_q_counter); | |
593cf338 RS |
4728 | } |
4729 | ||
182570b2 FD |
4730 | static int mlx5e_nic_init(struct mlx5_core_dev *mdev, |
4731 | struct net_device *netdev, | |
4732 | const struct mlx5e_profile *profile, | |
4733 | void *ppriv) | |
6bfd390b HHZ |
4734 | { |
4735 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
547eede0 | 4736 | int err; |
6bfd390b | 4737 | |
519a0bf5 | 4738 | err = mlx5e_netdev_init(netdev, priv, mdev, profile, ppriv); |
182570b2 FD |
4739 | if (err) |
4740 | return err; | |
4741 | ||
519a0bf5 | 4742 | mlx5e_build_nic_params(mdev, &priv->channels.params, |
779d986d | 4743 | mlx5e_get_netdev_max_channels(netdev), netdev->mtu); |
519a0bf5 SM |
4744 | |
4745 | mlx5e_timestamp_init(priv); | |
4746 | ||
547eede0 IT |
4747 | err = mlx5e_ipsec_init(priv); |
4748 | if (err) | |
4749 | mlx5_core_err(mdev, "IPSec initialization failed, %d\n", err); | |
43585a41 IL |
4750 | err = mlx5e_tls_init(priv); |
4751 | if (err) | |
4752 | mlx5_core_err(mdev, "TLS initialization failed, %d\n", err); | |
6bfd390b | 4753 | mlx5e_build_nic_netdev(netdev); |
8bfaf07f | 4754 | mlx5e_build_tc2txq_maps(priv); |
182570b2 FD |
4755 | |
4756 | return 0; | |
6bfd390b HHZ |
4757 | } |
4758 | ||
4759 | static void mlx5e_nic_cleanup(struct mlx5e_priv *priv) | |
4760 | { | |
43585a41 | 4761 | mlx5e_tls_cleanup(priv); |
547eede0 | 4762 | mlx5e_ipsec_cleanup(priv); |
182570b2 | 4763 | mlx5e_netdev_cleanup(priv->netdev, priv); |
6bfd390b HHZ |
4764 | } |
4765 | ||
4766 | static int mlx5e_init_nic_rx(struct mlx5e_priv *priv) | |
4767 | { | |
4768 | struct mlx5_core_dev *mdev = priv->mdev; | |
4769 | int err; | |
6bfd390b | 4770 | |
1462e48d RD |
4771 | mlx5e_create_q_counters(priv); |
4772 | ||
4773 | err = mlx5e_open_drop_rq(priv, &priv->drop_rq); | |
4774 | if (err) { | |
4775 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); | |
4776 | goto err_destroy_q_counters; | |
4777 | } | |
4778 | ||
8f493ffd SM |
4779 | err = mlx5e_create_indirect_rqt(priv); |
4780 | if (err) | |
1462e48d | 4781 | goto err_close_drop_rq; |
6bfd390b HHZ |
4782 | |
4783 | err = mlx5e_create_direct_rqts(priv); | |
8f493ffd | 4784 | if (err) |
6bfd390b | 4785 | goto err_destroy_indirect_rqts; |
6bfd390b | 4786 | |
46dc933c | 4787 | err = mlx5e_create_indirect_tirs(priv, true); |
8f493ffd | 4788 | if (err) |
6bfd390b | 4789 | goto err_destroy_direct_rqts; |
6bfd390b HHZ |
4790 | |
4791 | err = mlx5e_create_direct_tirs(priv); | |
8f493ffd | 4792 | if (err) |
6bfd390b | 4793 | goto err_destroy_indirect_tirs; |
6bfd390b HHZ |
4794 | |
4795 | err = mlx5e_create_flow_steering(priv); | |
4796 | if (err) { | |
4797 | mlx5_core_warn(mdev, "create flow steering failed, %d\n", err); | |
4798 | goto err_destroy_direct_tirs; | |
4799 | } | |
4800 | ||
655dc3d2 | 4801 | err = mlx5e_tc_nic_init(priv); |
6bfd390b HHZ |
4802 | if (err) |
4803 | goto err_destroy_flow_steering; | |
4804 | ||
4805 | return 0; | |
4806 | ||
4807 | err_destroy_flow_steering: | |
4808 | mlx5e_destroy_flow_steering(priv); | |
4809 | err_destroy_direct_tirs: | |
4810 | mlx5e_destroy_direct_tirs(priv); | |
4811 | err_destroy_indirect_tirs: | |
46dc933c | 4812 | mlx5e_destroy_indirect_tirs(priv, true); |
6bfd390b | 4813 | err_destroy_direct_rqts: |
8f493ffd | 4814 | mlx5e_destroy_direct_rqts(priv); |
6bfd390b HHZ |
4815 | err_destroy_indirect_rqts: |
4816 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); | |
1462e48d RD |
4817 | err_close_drop_rq: |
4818 | mlx5e_close_drop_rq(&priv->drop_rq); | |
4819 | err_destroy_q_counters: | |
4820 | mlx5e_destroy_q_counters(priv); | |
6bfd390b HHZ |
4821 | return err; |
4822 | } | |
4823 | ||
4824 | static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv) | |
4825 | { | |
655dc3d2 | 4826 | mlx5e_tc_nic_cleanup(priv); |
6bfd390b HHZ |
4827 | mlx5e_destroy_flow_steering(priv); |
4828 | mlx5e_destroy_direct_tirs(priv); | |
46dc933c | 4829 | mlx5e_destroy_indirect_tirs(priv, true); |
8f493ffd | 4830 | mlx5e_destroy_direct_rqts(priv); |
6bfd390b | 4831 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
1462e48d RD |
4832 | mlx5e_close_drop_rq(&priv->drop_rq); |
4833 | mlx5e_destroy_q_counters(priv); | |
6bfd390b HHZ |
4834 | } |
4835 | ||
4836 | static int mlx5e_init_nic_tx(struct mlx5e_priv *priv) | |
4837 | { | |
4838 | int err; | |
4839 | ||
4840 | err = mlx5e_create_tises(priv); | |
4841 | if (err) { | |
4842 | mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err); | |
4843 | return err; | |
4844 | } | |
4845 | ||
4846 | #ifdef CONFIG_MLX5_CORE_EN_DCB | |
e207b7e9 | 4847 | mlx5e_dcbnl_initialize(priv); |
6bfd390b HHZ |
4848 | #endif |
4849 | return 0; | |
4850 | } | |
4851 | ||
4852 | static void mlx5e_nic_enable(struct mlx5e_priv *priv) | |
4853 | { | |
4854 | struct net_device *netdev = priv->netdev; | |
4855 | struct mlx5_core_dev *mdev = priv->mdev; | |
2c3b5bee SM |
4856 | u16 max_mtu; |
4857 | ||
4858 | mlx5e_init_l2_addr(priv); | |
4859 | ||
63bfd399 EBE |
4860 | /* Marking the link as currently not needed by the Driver */ |
4861 | if (!netif_running(netdev)) | |
4862 | mlx5_set_port_admin_status(mdev, MLX5_PORT_DOWN); | |
4863 | ||
2c3b5bee SM |
4864 | /* MTU range: 68 - hw-specific max */ |
4865 | netdev->min_mtu = ETH_MIN_MTU; | |
4866 | mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1); | |
472a1e44 | 4867 | netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu); |
2c3b5bee | 4868 | mlx5e_set_dev_port_mtu(priv); |
6bfd390b | 4869 | |
7907f23a AH |
4870 | mlx5_lag_add(mdev, netdev); |
4871 | ||
6bfd390b | 4872 | mlx5e_enable_async_events(priv); |
127ea380 | 4873 | |
733d3e54 | 4874 | if (MLX5_ESWITCH_MANAGER(priv->mdev)) |
1d447a39 | 4875 | mlx5e_register_vport_reps(priv); |
2c3b5bee | 4876 | |
610e89e0 SM |
4877 | if (netdev->reg_state != NETREG_REGISTERED) |
4878 | return; | |
2a5e7a13 HN |
4879 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
4880 | mlx5e_dcbnl_init_app(priv); | |
4881 | #endif | |
610e89e0 SM |
4882 | |
4883 | queue_work(priv->wq, &priv->set_rx_mode_work); | |
2c3b5bee SM |
4884 | |
4885 | rtnl_lock(); | |
4886 | if (netif_running(netdev)) | |
4887 | mlx5e_open(netdev); | |
4888 | netif_device_attach(netdev); | |
4889 | rtnl_unlock(); | |
6bfd390b HHZ |
4890 | } |
4891 | ||
4892 | static void mlx5e_nic_disable(struct mlx5e_priv *priv) | |
4893 | { | |
3deef8ce | 4894 | struct mlx5_core_dev *mdev = priv->mdev; |
3deef8ce | 4895 | |
2a5e7a13 HN |
4896 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
4897 | if (priv->netdev->reg_state == NETREG_REGISTERED) | |
4898 | mlx5e_dcbnl_delete_app(priv); | |
4899 | #endif | |
4900 | ||
2c3b5bee SM |
4901 | rtnl_lock(); |
4902 | if (netif_running(priv->netdev)) | |
4903 | mlx5e_close(priv->netdev); | |
4904 | netif_device_detach(priv->netdev); | |
4905 | rtnl_unlock(); | |
4906 | ||
6bfd390b | 4907 | queue_work(priv->wq, &priv->set_rx_mode_work); |
1d447a39 | 4908 | |
733d3e54 | 4909 | if (MLX5_ESWITCH_MANAGER(priv->mdev)) |
1d447a39 SM |
4910 | mlx5e_unregister_vport_reps(priv); |
4911 | ||
6bfd390b | 4912 | mlx5e_disable_async_events(priv); |
3deef8ce | 4913 | mlx5_lag_remove(mdev); |
6bfd390b HHZ |
4914 | } |
4915 | ||
4916 | static const struct mlx5e_profile mlx5e_nic_profile = { | |
4917 | .init = mlx5e_nic_init, | |
4918 | .cleanup = mlx5e_nic_cleanup, | |
4919 | .init_rx = mlx5e_init_nic_rx, | |
4920 | .cleanup_rx = mlx5e_cleanup_nic_rx, | |
4921 | .init_tx = mlx5e_init_nic_tx, | |
4922 | .cleanup_tx = mlx5e_cleanup_nic_tx, | |
4923 | .enable = mlx5e_nic_enable, | |
4924 | .disable = mlx5e_nic_disable, | |
3834a5e6 | 4925 | .update_stats = mlx5e_update_ndo_stats, |
7ca42c80 | 4926 | .update_carrier = mlx5e_update_carrier, |
20fd0c19 SM |
4927 | .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe, |
4928 | .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, | |
6bfd390b HHZ |
4929 | .max_tc = MLX5E_MAX_NUM_TC, |
4930 | }; | |
4931 | ||
2c3b5bee SM |
4932 | /* mlx5e generic netdev management API (move to en_common.c) */ |
4933 | ||
182570b2 | 4934 | /* mlx5e_netdev_init/cleanup must be called from profile->init/cleanup callbacks */ |
519a0bf5 SM |
4935 | int mlx5e_netdev_init(struct net_device *netdev, |
4936 | struct mlx5e_priv *priv, | |
4937 | struct mlx5_core_dev *mdev, | |
4938 | const struct mlx5e_profile *profile, | |
4939 | void *ppriv) | |
182570b2 | 4940 | { |
519a0bf5 SM |
4941 | /* priv init */ |
4942 | priv->mdev = mdev; | |
4943 | priv->netdev = netdev; | |
4944 | priv->profile = profile; | |
4945 | priv->ppriv = ppriv; | |
4946 | priv->msglevel = MLX5E_MSG_LEVEL; | |
4947 | priv->max_opened_tc = 1; | |
182570b2 | 4948 | |
519a0bf5 SM |
4949 | mutex_init(&priv->state_lock); |
4950 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); | |
4951 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); | |
4952 | INIT_WORK(&priv->tx_timeout_work, mlx5e_tx_timeout_work); | |
cdeef2b1 | 4953 | INIT_WORK(&priv->update_stats_work, mlx5e_update_stats_work); |
303211b4 | 4954 | |
182570b2 FD |
4955 | priv->wq = create_singlethread_workqueue("mlx5e"); |
4956 | if (!priv->wq) | |
4957 | return -ENOMEM; | |
4958 | ||
519a0bf5 SM |
4959 | /* netdev init */ |
4960 | netif_carrier_off(netdev); | |
4961 | ||
4962 | #ifdef CONFIG_MLX5_EN_ARFS | |
4963 | netdev->rx_cpu_rmap = mdev->rmap; | |
4964 | #endif | |
4965 | ||
182570b2 FD |
4966 | return 0; |
4967 | } | |
4968 | ||
4969 | void mlx5e_netdev_cleanup(struct net_device *netdev, struct mlx5e_priv *priv) | |
4970 | { | |
4971 | destroy_workqueue(priv->wq); | |
4972 | } | |
4973 | ||
26e59d80 MHY |
4974 | struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, |
4975 | const struct mlx5e_profile *profile, | |
779d986d | 4976 | int nch, |
26e59d80 | 4977 | void *ppriv) |
f62b8bb8 AV |
4978 | { |
4979 | struct net_device *netdev; | |
182570b2 | 4980 | int err; |
f62b8bb8 | 4981 | |
08fb1dac | 4982 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), |
6bfd390b | 4983 | nch * profile->max_tc, |
08fb1dac | 4984 | nch); |
f62b8bb8 AV |
4985 | if (!netdev) { |
4986 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); | |
4987 | return NULL; | |
4988 | } | |
4989 | ||
182570b2 FD |
4990 | err = profile->init(mdev, netdev, profile, ppriv); |
4991 | if (err) { | |
4992 | mlx5_core_err(mdev, "failed to init mlx5e profile %d\n", err); | |
4993 | goto err_free_netdev; | |
4994 | } | |
26e59d80 MHY |
4995 | |
4996 | return netdev; | |
4997 | ||
182570b2 | 4998 | err_free_netdev: |
26e59d80 MHY |
4999 | free_netdev(netdev); |
5000 | ||
5001 | return NULL; | |
5002 | } | |
5003 | ||
2c3b5bee | 5004 | int mlx5e_attach_netdev(struct mlx5e_priv *priv) |
26e59d80 MHY |
5005 | { |
5006 | const struct mlx5e_profile *profile; | |
26e59d80 MHY |
5007 | int err; |
5008 | ||
26e59d80 MHY |
5009 | profile = priv->profile; |
5010 | clear_bit(MLX5E_STATE_DESTROYING, &priv->state); | |
7bb29755 | 5011 | |
6bfd390b HHZ |
5012 | err = profile->init_tx(priv); |
5013 | if (err) | |
ec8b9981 | 5014 | goto out; |
5c50368f | 5015 | |
6bfd390b HHZ |
5016 | err = profile->init_rx(priv); |
5017 | if (err) | |
1462e48d | 5018 | goto err_cleanup_tx; |
5c50368f | 5019 | |
6bfd390b HHZ |
5020 | if (profile->enable) |
5021 | profile->enable(priv); | |
f62b8bb8 | 5022 | |
26e59d80 | 5023 | return 0; |
5c50368f | 5024 | |
1462e48d | 5025 | err_cleanup_tx: |
6bfd390b | 5026 | profile->cleanup_tx(priv); |
5c50368f | 5027 | |
26e59d80 MHY |
5028 | out: |
5029 | return err; | |
f62b8bb8 AV |
5030 | } |
5031 | ||
2c3b5bee | 5032 | void mlx5e_detach_netdev(struct mlx5e_priv *priv) |
26e59d80 | 5033 | { |
26e59d80 MHY |
5034 | const struct mlx5e_profile *profile = priv->profile; |
5035 | ||
5036 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); | |
26e59d80 | 5037 | |
37f304d1 SM |
5038 | if (profile->disable) |
5039 | profile->disable(priv); | |
5040 | flush_workqueue(priv->wq); | |
5041 | ||
26e59d80 | 5042 | profile->cleanup_rx(priv); |
26e59d80 | 5043 | profile->cleanup_tx(priv); |
cdeef2b1 | 5044 | cancel_work_sync(&priv->update_stats_work); |
26e59d80 MHY |
5045 | } |
5046 | ||
2c3b5bee SM |
5047 | void mlx5e_destroy_netdev(struct mlx5e_priv *priv) |
5048 | { | |
5049 | const struct mlx5e_profile *profile = priv->profile; | |
5050 | struct net_device *netdev = priv->netdev; | |
5051 | ||
2c3b5bee SM |
5052 | if (profile->cleanup) |
5053 | profile->cleanup(priv); | |
5054 | free_netdev(netdev); | |
5055 | } | |
5056 | ||
26e59d80 MHY |
5057 | /* mlx5e_attach and mlx5e_detach scope should be only creating/destroying |
5058 | * hardware contexts and to connect it to the current netdev. | |
5059 | */ | |
5060 | static int mlx5e_attach(struct mlx5_core_dev *mdev, void *vpriv) | |
5061 | { | |
5062 | struct mlx5e_priv *priv = vpriv; | |
5063 | struct net_device *netdev = priv->netdev; | |
5064 | int err; | |
5065 | ||
5066 | if (netif_device_present(netdev)) | |
5067 | return 0; | |
5068 | ||
5069 | err = mlx5e_create_mdev_resources(mdev); | |
5070 | if (err) | |
5071 | return err; | |
5072 | ||
2c3b5bee | 5073 | err = mlx5e_attach_netdev(priv); |
26e59d80 MHY |
5074 | if (err) { |
5075 | mlx5e_destroy_mdev_resources(mdev); | |
5076 | return err; | |
5077 | } | |
5078 | ||
5079 | return 0; | |
5080 | } | |
5081 | ||
5082 | static void mlx5e_detach(struct mlx5_core_dev *mdev, void *vpriv) | |
5083 | { | |
5084 | struct mlx5e_priv *priv = vpriv; | |
5085 | struct net_device *netdev = priv->netdev; | |
5086 | ||
5087 | if (!netif_device_present(netdev)) | |
5088 | return; | |
5089 | ||
2c3b5bee | 5090 | mlx5e_detach_netdev(priv); |
26e59d80 MHY |
5091 | mlx5e_destroy_mdev_resources(mdev); |
5092 | } | |
5093 | ||
b50d292b HHZ |
5094 | static void *mlx5e_add(struct mlx5_core_dev *mdev) |
5095 | { | |
07c9f1e5 SM |
5096 | struct net_device *netdev; |
5097 | void *rpriv = NULL; | |
26e59d80 | 5098 | void *priv; |
26e59d80 | 5099 | int err; |
779d986d | 5100 | int nch; |
b50d292b | 5101 | |
26e59d80 MHY |
5102 | err = mlx5e_check_required_hca_cap(mdev); |
5103 | if (err) | |
b50d292b HHZ |
5104 | return NULL; |
5105 | ||
e80541ec | 5106 | #ifdef CONFIG_MLX5_ESWITCH |
733d3e54 | 5107 | if (MLX5_ESWITCH_MANAGER(mdev)) { |
07c9f1e5 | 5108 | rpriv = mlx5e_alloc_nic_rep_priv(mdev); |
1d447a39 | 5109 | if (!rpriv) { |
07c9f1e5 | 5110 | mlx5_core_warn(mdev, "Failed to alloc NIC rep priv data\n"); |
1d447a39 SM |
5111 | return NULL; |
5112 | } | |
1d447a39 | 5113 | } |
e80541ec | 5114 | #endif |
127ea380 | 5115 | |
779d986d FD |
5116 | nch = mlx5e_get_max_num_channels(mdev); |
5117 | netdev = mlx5e_create_netdev(mdev, &mlx5e_nic_profile, nch, rpriv); | |
26e59d80 MHY |
5118 | if (!netdev) { |
5119 | mlx5_core_err(mdev, "mlx5e_create_netdev failed\n"); | |
07c9f1e5 | 5120 | goto err_free_rpriv; |
26e59d80 MHY |
5121 | } |
5122 | ||
5123 | priv = netdev_priv(netdev); | |
5124 | ||
5125 | err = mlx5e_attach(mdev, priv); | |
5126 | if (err) { | |
5127 | mlx5_core_err(mdev, "mlx5e_attach failed, %d\n", err); | |
5128 | goto err_destroy_netdev; | |
5129 | } | |
5130 | ||
5131 | err = register_netdev(netdev); | |
5132 | if (err) { | |
5133 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); | |
5134 | goto err_detach; | |
b50d292b | 5135 | } |
26e59d80 | 5136 | |
2a5e7a13 HN |
5137 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
5138 | mlx5e_dcbnl_init_app(priv); | |
5139 | #endif | |
26e59d80 MHY |
5140 | return priv; |
5141 | ||
5142 | err_detach: | |
5143 | mlx5e_detach(mdev, priv); | |
26e59d80 | 5144 | err_destroy_netdev: |
2c3b5bee | 5145 | mlx5e_destroy_netdev(priv); |
07c9f1e5 | 5146 | err_free_rpriv: |
1d447a39 | 5147 | kfree(rpriv); |
26e59d80 | 5148 | return NULL; |
b50d292b HHZ |
5149 | } |
5150 | ||
b50d292b HHZ |
5151 | static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv) |
5152 | { | |
5153 | struct mlx5e_priv *priv = vpriv; | |
1d447a39 | 5154 | void *ppriv = priv->ppriv; |
127ea380 | 5155 | |
2a5e7a13 HN |
5156 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
5157 | mlx5e_dcbnl_delete_app(priv); | |
5158 | #endif | |
5e1e93c7 | 5159 | unregister_netdev(priv->netdev); |
26e59d80 | 5160 | mlx5e_detach(mdev, vpriv); |
2c3b5bee | 5161 | mlx5e_destroy_netdev(priv); |
1d447a39 | 5162 | kfree(ppriv); |
b50d292b HHZ |
5163 | } |
5164 | ||
f62b8bb8 AV |
5165 | static void *mlx5e_get_netdev(void *vpriv) |
5166 | { | |
5167 | struct mlx5e_priv *priv = vpriv; | |
5168 | ||
5169 | return priv->netdev; | |
5170 | } | |
5171 | ||
5172 | static struct mlx5_interface mlx5e_interface = { | |
b50d292b HHZ |
5173 | .add = mlx5e_add, |
5174 | .remove = mlx5e_remove, | |
26e59d80 MHY |
5175 | .attach = mlx5e_attach, |
5176 | .detach = mlx5e_detach, | |
f62b8bb8 AV |
5177 | .event = mlx5e_async_event, |
5178 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, | |
5179 | .get_dev = mlx5e_get_netdev, | |
5180 | }; | |
5181 | ||
5182 | void mlx5e_init(void) | |
5183 | { | |
2ac9cfe7 | 5184 | mlx5e_ipsec_build_inverse_table(); |
665bc539 | 5185 | mlx5e_build_ptys2ethtool_map(); |
f62b8bb8 AV |
5186 | mlx5_register_interface(&mlx5e_interface); |
5187 | } | |
5188 | ||
5189 | void mlx5e_cleanup(void) | |
5190 | { | |
5191 | mlx5_unregister_interface(&mlx5e_interface); | |
5192 | } |