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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> |
1d447a39 | 38 | #include "eswitch.h" |
f62b8bb8 | 39 | #include "en.h" |
e8f887ac | 40 | #include "en_tc.h" |
1d447a39 | 41 | #include "en_rep.h" |
547eede0 | 42 | #include "en_accel/ipsec.h" |
899a59d3 IT |
43 | #include "en_accel/ipsec_rxtx.h" |
44 | #include "accel/ipsec.h" | |
b3f63c3d | 45 | #include "vxlan.h" |
f62b8bb8 AV |
46 | |
47 | struct mlx5e_rq_param { | |
cb3c7fd4 GR |
48 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; |
49 | struct mlx5_wq_param wq; | |
f62b8bb8 AV |
50 | }; |
51 | ||
52 | struct mlx5e_sq_param { | |
53 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; | |
54 | struct mlx5_wq_param wq; | |
55 | }; | |
56 | ||
57 | struct mlx5e_cq_param { | |
58 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; | |
59 | struct mlx5_wq_param wq; | |
60 | u16 eq_ix; | |
9908aa29 | 61 | u8 cq_period_mode; |
f62b8bb8 AV |
62 | }; |
63 | ||
64 | struct mlx5e_channel_param { | |
65 | struct mlx5e_rq_param rq; | |
66 | struct mlx5e_sq_param sq; | |
b5503b99 | 67 | struct mlx5e_sq_param xdp_sq; |
d3c9bc27 | 68 | struct mlx5e_sq_param icosq; |
f62b8bb8 AV |
69 | struct mlx5e_cq_param rx_cq; |
70 | struct mlx5e_cq_param tx_cq; | |
d3c9bc27 | 71 | struct mlx5e_cq_param icosq_cq; |
f62b8bb8 AV |
72 | }; |
73 | ||
2fc4bfb7 SM |
74 | static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) |
75 | { | |
76 | return MLX5_CAP_GEN(mdev, striding_rq) && | |
77 | MLX5_CAP_GEN(mdev, umr_ptr_rlky) && | |
78 | MLX5_CAP_ETH(mdev, reg_umr_sq); | |
79 | } | |
80 | ||
6a9764ef SM |
81 | void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev, |
82 | struct mlx5e_params *params, u8 rq_type) | |
2fc4bfb7 | 83 | { |
6a9764ef SM |
84 | params->rq_wq_type = rq_type; |
85 | params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; | |
86 | switch (params->rq_wq_type) { | |
2fc4bfb7 | 87 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
6a9764ef | 88 | params->log_rq_size = is_kdump_kernel() ? |
b4e029da KH |
89 | MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW : |
90 | MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW; | |
6a9764ef SM |
91 | params->mpwqe_log_stride_sz = |
92 | MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS) ? | |
93 | MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) : | |
94 | MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev); | |
95 | params->mpwqe_log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ - | |
96 | params->mpwqe_log_stride_sz; | |
2fc4bfb7 SM |
97 | break; |
98 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
6a9764ef | 99 | params->log_rq_size = is_kdump_kernel() ? |
b4e029da KH |
100 | MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE : |
101 | MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; | |
bce2b2bf TT |
102 | params->rq_headroom = params->xdp_prog ? |
103 | XDP_PACKET_HEADROOM : MLX5_RX_HEADROOM; | |
104 | params->rq_headroom += NET_IP_ALIGN; | |
4078e637 TT |
105 | |
106 | /* Extra room needed for build_skb */ | |
bce2b2bf | 107 | params->lro_wqe_sz -= params->rq_headroom + |
4078e637 | 108 | SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); |
2fc4bfb7 | 109 | } |
2fc4bfb7 | 110 | |
6a9764ef SM |
111 | mlx5_core_info(mdev, "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d)\n", |
112 | params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ, | |
113 | BIT(params->log_rq_size), | |
114 | BIT(params->mpwqe_log_stride_sz), | |
115 | MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)); | |
2fc4bfb7 SM |
116 | } |
117 | ||
6a9764ef | 118 | static void mlx5e_set_rq_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params) |
2fc4bfb7 | 119 | { |
6a9764ef | 120 | u8 rq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) && |
899a59d3 | 121 | !params->xdp_prog && !MLX5_IPSEC_DEV(mdev) ? |
2fc4bfb7 SM |
122 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : |
123 | MLX5_WQ_TYPE_LINKED_LIST; | |
6a9764ef | 124 | mlx5e_set_rq_type_params(mdev, params, rq_type); |
2fc4bfb7 SM |
125 | } |
126 | ||
f62b8bb8 AV |
127 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) |
128 | { | |
129 | struct mlx5_core_dev *mdev = priv->mdev; | |
130 | u8 port_state; | |
131 | ||
132 | port_state = mlx5_query_vport_state(mdev, | |
e53eef63 OG |
133 | MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, |
134 | 0); | |
f62b8bb8 | 135 | |
87424ad5 SD |
136 | if (port_state == VPORT_STATE_UP) { |
137 | netdev_info(priv->netdev, "Link up\n"); | |
f62b8bb8 | 138 | netif_carrier_on(priv->netdev); |
87424ad5 SD |
139 | } else { |
140 | netdev_info(priv->netdev, "Link down\n"); | |
f62b8bb8 | 141 | netif_carrier_off(priv->netdev); |
87424ad5 | 142 | } |
f62b8bb8 AV |
143 | } |
144 | ||
145 | static void mlx5e_update_carrier_work(struct work_struct *work) | |
146 | { | |
147 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, | |
148 | update_carrier_work); | |
149 | ||
150 | mutex_lock(&priv->state_lock); | |
151 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
7ca42c80 ES |
152 | if (priv->profile->update_carrier) |
153 | priv->profile->update_carrier(priv); | |
f62b8bb8 AV |
154 | mutex_unlock(&priv->state_lock); |
155 | } | |
156 | ||
3947ca18 DJ |
157 | static void mlx5e_tx_timeout_work(struct work_struct *work) |
158 | { | |
159 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, | |
160 | tx_timeout_work); | |
161 | int err; | |
162 | ||
163 | rtnl_lock(); | |
164 | mutex_lock(&priv->state_lock); | |
165 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
166 | goto unlock; | |
167 | mlx5e_close_locked(priv->netdev); | |
168 | err = mlx5e_open_locked(priv->netdev); | |
169 | if (err) | |
170 | netdev_err(priv->netdev, "mlx5e_open_locked failed recovering from a tx_timeout, err(%d).\n", | |
171 | err); | |
172 | unlock: | |
173 | mutex_unlock(&priv->state_lock); | |
174 | rtnl_unlock(); | |
175 | } | |
176 | ||
9218b44d | 177 | static void mlx5e_update_sw_counters(struct mlx5e_priv *priv) |
f62b8bb8 | 178 | { |
1510d728 | 179 | struct mlx5e_sw_stats temp, *s = &temp; |
f62b8bb8 AV |
180 | struct mlx5e_rq_stats *rq_stats; |
181 | struct mlx5e_sq_stats *sq_stats; | |
9218b44d | 182 | u64 tx_offload_none = 0; |
f62b8bb8 AV |
183 | int i, j; |
184 | ||
9218b44d | 185 | memset(s, 0, sizeof(*s)); |
ff9c852f SM |
186 | for (i = 0; i < priv->channels.num; i++) { |
187 | struct mlx5e_channel *c = priv->channels.c[i]; | |
188 | ||
189 | rq_stats = &c->rq.stats; | |
f62b8bb8 | 190 | |
faf4478b GP |
191 | s->rx_packets += rq_stats->packets; |
192 | s->rx_bytes += rq_stats->bytes; | |
bfe6d8d1 GP |
193 | s->rx_lro_packets += rq_stats->lro_packets; |
194 | s->rx_lro_bytes += rq_stats->lro_bytes; | |
f62b8bb8 | 195 | s->rx_csum_none += rq_stats->csum_none; |
bfe6d8d1 GP |
196 | s->rx_csum_complete += rq_stats->csum_complete; |
197 | s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner; | |
86994156 | 198 | s->rx_xdp_drop += rq_stats->xdp_drop; |
b5503b99 SM |
199 | s->rx_xdp_tx += rq_stats->xdp_tx; |
200 | s->rx_xdp_tx_full += rq_stats->xdp_tx_full; | |
f62b8bb8 | 201 | s->rx_wqe_err += rq_stats->wqe_err; |
461017cb | 202 | s->rx_mpwqe_filler += rq_stats->mpwqe_filler; |
54984407 | 203 | s->rx_buff_alloc_err += rq_stats->buff_alloc_err; |
7219ab34 TT |
204 | s->rx_cqe_compress_blks += rq_stats->cqe_compress_blks; |
205 | s->rx_cqe_compress_pkts += rq_stats->cqe_compress_pkts; | |
accd5883 | 206 | s->rx_page_reuse += rq_stats->page_reuse; |
4415a031 TT |
207 | s->rx_cache_reuse += rq_stats->cache_reuse; |
208 | s->rx_cache_full += rq_stats->cache_full; | |
209 | s->rx_cache_empty += rq_stats->cache_empty; | |
210 | s->rx_cache_busy += rq_stats->cache_busy; | |
f62b8bb8 | 211 | |
6a9764ef | 212 | for (j = 0; j < priv->channels.params.num_tc; j++) { |
ff9c852f | 213 | sq_stats = &c->sq[j].stats; |
f62b8bb8 | 214 | |
faf4478b GP |
215 | s->tx_packets += sq_stats->packets; |
216 | s->tx_bytes += sq_stats->bytes; | |
bfe6d8d1 GP |
217 | s->tx_tso_packets += sq_stats->tso_packets; |
218 | s->tx_tso_bytes += sq_stats->tso_bytes; | |
219 | s->tx_tso_inner_packets += sq_stats->tso_inner_packets; | |
220 | s->tx_tso_inner_bytes += sq_stats->tso_inner_bytes; | |
f62b8bb8 AV |
221 | s->tx_queue_stopped += sq_stats->stopped; |
222 | s->tx_queue_wake += sq_stats->wake; | |
223 | s->tx_queue_dropped += sq_stats->dropped; | |
c8cf78fe | 224 | s->tx_xmit_more += sq_stats->xmit_more; |
bfe6d8d1 GP |
225 | s->tx_csum_partial_inner += sq_stats->csum_partial_inner; |
226 | tx_offload_none += sq_stats->csum_none; | |
f62b8bb8 AV |
227 | } |
228 | } | |
229 | ||
9218b44d | 230 | /* Update calculated offload counters */ |
bfe6d8d1 GP |
231 | s->tx_csum_partial = s->tx_packets - tx_offload_none - s->tx_csum_partial_inner; |
232 | s->rx_csum_unnecessary = s->rx_packets - s->rx_csum_none - s->rx_csum_complete; | |
121fcdc8 | 233 | |
bfe6d8d1 | 234 | s->link_down_events_phy = MLX5_GET(ppcnt_reg, |
121fcdc8 GP |
235 | priv->stats.pport.phy_counters, |
236 | counter_set.phys_layer_cntrs.link_down_events); | |
1510d728 | 237 | memcpy(&priv->stats.sw, s, sizeof(*s)); |
9218b44d GP |
238 | } |
239 | ||
240 | static void mlx5e_update_vport_counters(struct mlx5e_priv *priv) | |
241 | { | |
242 | int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); | |
243 | u32 *out = (u32 *)priv->stats.vport.query_vport_out; | |
c4f287c4 | 244 | u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0}; |
9218b44d GP |
245 | struct mlx5_core_dev *mdev = priv->mdev; |
246 | ||
f62b8bb8 AV |
247 | MLX5_SET(query_vport_counter_in, in, opcode, |
248 | MLX5_CMD_OP_QUERY_VPORT_COUNTER); | |
249 | MLX5_SET(query_vport_counter_in, in, op_mod, 0); | |
250 | MLX5_SET(query_vport_counter_in, in, other_vport, 0); | |
251 | ||
9218b44d GP |
252 | mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen); |
253 | } | |
254 | ||
3834a5e6 | 255 | static void mlx5e_update_pport_counters(struct mlx5e_priv *priv, bool full) |
9218b44d GP |
256 | { |
257 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; | |
258 | struct mlx5_core_dev *mdev = priv->mdev; | |
0883b4f4 | 259 | u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {0}; |
9218b44d | 260 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
cf678570 | 261 | int prio; |
9218b44d | 262 | void *out; |
f62b8bb8 | 263 | |
9218b44d | 264 | MLX5_SET(ppcnt_reg, in, local_port, 1); |
f62b8bb8 | 265 | |
9218b44d GP |
266 | out = pstats->IEEE_802_3_counters; |
267 | MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); | |
268 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
f62b8bb8 | 269 | |
3834a5e6 GP |
270 | if (!full) |
271 | return; | |
272 | ||
9218b44d GP |
273 | out = pstats->RFC_2863_counters; |
274 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); | |
275 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
276 | ||
277 | out = pstats->RFC_2819_counters; | |
278 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); | |
279 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
593cf338 | 280 | |
121fcdc8 GP |
281 | out = pstats->phy_counters; |
282 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); | |
283 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
284 | ||
5db0a4f6 GP |
285 | if (MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group)) { |
286 | out = pstats->phy_statistical_counters; | |
287 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP); | |
288 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); | |
289 | } | |
290 | ||
cf678570 GP |
291 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP); |
292 | for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { | |
293 | out = pstats->per_prio_counters[prio]; | |
294 | MLX5_SET(ppcnt_reg, in, prio_tc, prio); | |
295 | mlx5_core_access_reg(mdev, in, sz, out, sz, | |
296 | MLX5_REG_PPCNT, 0, 0); | |
297 | } | |
9218b44d GP |
298 | } |
299 | ||
300 | static void mlx5e_update_q_counter(struct mlx5e_priv *priv) | |
301 | { | |
302 | struct mlx5e_qcounter_stats *qcnt = &priv->stats.qcnt; | |
432609a4 GP |
303 | u32 out[MLX5_ST_SZ_DW(query_q_counter_out)]; |
304 | int err; | |
9218b44d GP |
305 | |
306 | if (!priv->q_counter) | |
307 | return; | |
308 | ||
432609a4 GP |
309 | err = mlx5_core_query_q_counter(priv->mdev, priv->q_counter, 0, out, sizeof(out)); |
310 | if (err) | |
311 | return; | |
312 | ||
313 | qcnt->rx_out_of_buffer = MLX5_GET(query_q_counter_out, out, out_of_buffer); | |
9218b44d GP |
314 | } |
315 | ||
0f7f3481 GP |
316 | static void mlx5e_update_pcie_counters(struct mlx5e_priv *priv) |
317 | { | |
318 | struct mlx5e_pcie_stats *pcie_stats = &priv->stats.pcie; | |
319 | struct mlx5_core_dev *mdev = priv->mdev; | |
0883b4f4 | 320 | u32 in[MLX5_ST_SZ_DW(mpcnt_reg)] = {0}; |
0f7f3481 GP |
321 | int sz = MLX5_ST_SZ_BYTES(mpcnt_reg); |
322 | void *out; | |
0f7f3481 GP |
323 | |
324 | if (!MLX5_CAP_MCAM_FEATURE(mdev, pcie_performance_group)) | |
325 | return; | |
326 | ||
0f7f3481 GP |
327 | out = pcie_stats->pcie_perf_counters; |
328 | MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_PERFORMANCE_COUNTERS_GROUP); | |
329 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0); | |
0f7f3481 GP |
330 | } |
331 | ||
3834a5e6 | 332 | void mlx5e_update_stats(struct mlx5e_priv *priv, bool full) |
9218b44d | 333 | { |
164f16f7 | 334 | if (full) { |
3834a5e6 | 335 | mlx5e_update_pcie_counters(priv); |
164f16f7 IT |
336 | mlx5e_ipsec_update_stats(priv); |
337 | } | |
3834a5e6 | 338 | mlx5e_update_pport_counters(priv, full); |
3dd69e3d SM |
339 | mlx5e_update_vport_counters(priv); |
340 | mlx5e_update_q_counter(priv); | |
121fcdc8 | 341 | mlx5e_update_sw_counters(priv); |
f62b8bb8 AV |
342 | } |
343 | ||
3834a5e6 GP |
344 | static void mlx5e_update_ndo_stats(struct mlx5e_priv *priv) |
345 | { | |
346 | mlx5e_update_stats(priv, false); | |
347 | } | |
348 | ||
cb67b832 | 349 | void mlx5e_update_stats_work(struct work_struct *work) |
f62b8bb8 AV |
350 | { |
351 | struct delayed_work *dwork = to_delayed_work(work); | |
352 | struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv, | |
353 | update_stats_work); | |
354 | mutex_lock(&priv->state_lock); | |
355 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { | |
6bfd390b | 356 | priv->profile->update_stats(priv); |
7bb29755 MF |
357 | queue_delayed_work(priv->wq, dwork, |
358 | msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); | |
f62b8bb8 AV |
359 | } |
360 | mutex_unlock(&priv->state_lock); | |
361 | } | |
362 | ||
daa21560 TT |
363 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, |
364 | enum mlx5_dev_event event, unsigned long param) | |
f62b8bb8 | 365 | { |
daa21560 | 366 | struct mlx5e_priv *priv = vpriv; |
ee7f1220 EE |
367 | struct ptp_clock_event ptp_event; |
368 | struct mlx5_eqe *eqe = NULL; | |
daa21560 | 369 | |
e0f46eb9 | 370 | if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state)) |
daa21560 TT |
371 | return; |
372 | ||
f62b8bb8 AV |
373 | switch (event) { |
374 | case MLX5_DEV_EVENT_PORT_UP: | |
375 | case MLX5_DEV_EVENT_PORT_DOWN: | |
7bb29755 | 376 | queue_work(priv->wq, &priv->update_carrier_work); |
f62b8bb8 | 377 | break; |
ee7f1220 EE |
378 | case MLX5_DEV_EVENT_PPS: |
379 | eqe = (struct mlx5_eqe *)param; | |
ee7f1220 EE |
380 | ptp_event.index = eqe->data.pps.pin; |
381 | ptp_event.timestamp = | |
382 | timecounter_cyc2time(&priv->tstamp.clock, | |
383 | be64_to_cpu(eqe->data.pps.time_stamp)); | |
384 | mlx5e_pps_event_handler(vpriv, &ptp_event); | |
385 | break; | |
f62b8bb8 AV |
386 | default: |
387 | break; | |
388 | } | |
389 | } | |
390 | ||
f62b8bb8 AV |
391 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) |
392 | { | |
e0f46eb9 | 393 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
f62b8bb8 AV |
394 | } |
395 | ||
396 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) | |
397 | { | |
e0f46eb9 | 398 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
daa21560 | 399 | synchronize_irq(mlx5_get_msix_vec(priv->mdev, MLX5_EQ_VEC_ASYNC)); |
f62b8bb8 AV |
400 | } |
401 | ||
7e426671 TT |
402 | static inline int mlx5e_get_wqe_mtt_sz(void) |
403 | { | |
404 | /* UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes. | |
405 | * To avoid copying garbage after the mtt array, we allocate | |
406 | * a little more. | |
407 | */ | |
408 | return ALIGN(MLX5_MPWRQ_PAGES_PER_WQE * sizeof(__be64), | |
409 | MLX5_UMR_MTT_ALIGNMENT); | |
410 | } | |
411 | ||
31391048 SM |
412 | static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq, |
413 | struct mlx5e_icosq *sq, | |
414 | struct mlx5e_umr_wqe *wqe, | |
415 | u16 ix) | |
7e426671 TT |
416 | { |
417 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
418 | struct mlx5_wqe_umr_ctrl_seg *ucseg = &wqe->uctrl; | |
419 | struct mlx5_wqe_data_seg *dseg = &wqe->data; | |
21c59685 | 420 | struct mlx5e_mpw_info *wi = &rq->mpwqe.info[ix]; |
7e426671 TT |
421 | u8 ds_cnt = DIV_ROUND_UP(sizeof(*wqe), MLX5_SEND_WQE_DS); |
422 | u32 umr_wqe_mtt_offset = mlx5e_get_wqe_mtt_offset(rq, ix); | |
423 | ||
424 | cseg->qpn_ds = cpu_to_be32((sq->sqn << MLX5_WQE_CTRL_QPN_SHIFT) | | |
425 | ds_cnt); | |
426 | cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE; | |
427 | cseg->imm = rq->mkey_be; | |
428 | ||
429 | ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN; | |
31616255 | 430 | ucseg->xlt_octowords = |
7e426671 TT |
431 | cpu_to_be16(MLX5_MTT_OCTW(MLX5_MPWRQ_PAGES_PER_WQE)); |
432 | ucseg->bsf_octowords = | |
433 | cpu_to_be16(MLX5_MTT_OCTW(umr_wqe_mtt_offset)); | |
434 | ucseg->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); | |
435 | ||
436 | dseg->lkey = sq->mkey_be; | |
437 | dseg->addr = cpu_to_be64(wi->umr.mtt_addr); | |
438 | } | |
439 | ||
440 | static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq, | |
441 | struct mlx5e_channel *c) | |
442 | { | |
443 | int wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
444 | int mtt_sz = mlx5e_get_wqe_mtt_sz(); | |
445 | int mtt_alloc = mtt_sz + MLX5_UMR_ALIGN - 1; | |
446 | int i; | |
447 | ||
21c59685 SM |
448 | rq->mpwqe.info = kzalloc_node(wq_sz * sizeof(*rq->mpwqe.info), |
449 | GFP_KERNEL, cpu_to_node(c->cpu)); | |
450 | if (!rq->mpwqe.info) | |
7e426671 TT |
451 | goto err_out; |
452 | ||
453 | /* We allocate more than mtt_sz as we will align the pointer */ | |
21c59685 | 454 | rq->mpwqe.mtt_no_align = kzalloc_node(mtt_alloc * wq_sz, GFP_KERNEL, |
7e426671 | 455 | cpu_to_node(c->cpu)); |
21c59685 | 456 | if (unlikely(!rq->mpwqe.mtt_no_align)) |
7e426671 TT |
457 | goto err_free_wqe_info; |
458 | ||
459 | for (i = 0; i < wq_sz; i++) { | |
21c59685 | 460 | struct mlx5e_mpw_info *wi = &rq->mpwqe.info[i]; |
7e426671 | 461 | |
21c59685 | 462 | wi->umr.mtt = PTR_ALIGN(rq->mpwqe.mtt_no_align + i * mtt_alloc, |
7e426671 TT |
463 | MLX5_UMR_ALIGN); |
464 | wi->umr.mtt_addr = dma_map_single(c->pdev, wi->umr.mtt, mtt_sz, | |
465 | PCI_DMA_TODEVICE); | |
466 | if (unlikely(dma_mapping_error(c->pdev, wi->umr.mtt_addr))) | |
467 | goto err_unmap_mtts; | |
468 | ||
469 | mlx5e_build_umr_wqe(rq, &c->icosq, &wi->umr.wqe, i); | |
470 | } | |
471 | ||
472 | return 0; | |
473 | ||
474 | err_unmap_mtts: | |
475 | while (--i >= 0) { | |
21c59685 | 476 | struct mlx5e_mpw_info *wi = &rq->mpwqe.info[i]; |
7e426671 TT |
477 | |
478 | dma_unmap_single(c->pdev, wi->umr.mtt_addr, mtt_sz, | |
479 | PCI_DMA_TODEVICE); | |
480 | } | |
21c59685 | 481 | kfree(rq->mpwqe.mtt_no_align); |
7e426671 | 482 | err_free_wqe_info: |
21c59685 | 483 | kfree(rq->mpwqe.info); |
7e426671 TT |
484 | |
485 | err_out: | |
486 | return -ENOMEM; | |
487 | } | |
488 | ||
489 | static void mlx5e_rq_free_mpwqe_info(struct mlx5e_rq *rq) | |
490 | { | |
491 | int wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
492 | int mtt_sz = mlx5e_get_wqe_mtt_sz(); | |
493 | int i; | |
494 | ||
495 | for (i = 0; i < wq_sz; i++) { | |
21c59685 | 496 | struct mlx5e_mpw_info *wi = &rq->mpwqe.info[i]; |
7e426671 TT |
497 | |
498 | dma_unmap_single(rq->pdev, wi->umr.mtt_addr, mtt_sz, | |
499 | PCI_DMA_TODEVICE); | |
500 | } | |
21c59685 SM |
501 | kfree(rq->mpwqe.mtt_no_align); |
502 | kfree(rq->mpwqe.info); | |
7e426671 TT |
503 | } |
504 | ||
a43b25da | 505 | static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, |
ec8b9981 TT |
506 | u64 npages, u8 page_shift, |
507 | struct mlx5_core_mkey *umr_mkey) | |
3608ae77 | 508 | { |
3608ae77 TT |
509 | int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); |
510 | void *mkc; | |
511 | u32 *in; | |
512 | int err; | |
513 | ||
ec8b9981 TT |
514 | if (!MLX5E_VALID_NUM_MTTS(npages)) |
515 | return -EINVAL; | |
516 | ||
1b9a07ee | 517 | in = kvzalloc(inlen, GFP_KERNEL); |
3608ae77 TT |
518 | if (!in) |
519 | return -ENOMEM; | |
520 | ||
521 | mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); | |
522 | ||
3608ae77 TT |
523 | MLX5_SET(mkc, mkc, free, 1); |
524 | MLX5_SET(mkc, mkc, umr_en, 1); | |
525 | MLX5_SET(mkc, mkc, lw, 1); | |
526 | MLX5_SET(mkc, mkc, lr, 1); | |
527 | MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_MTT); | |
528 | ||
529 | MLX5_SET(mkc, mkc, qpn, 0xffffff); | |
530 | MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.pdn); | |
ec8b9981 | 531 | MLX5_SET64(mkc, mkc, len, npages << page_shift); |
3608ae77 TT |
532 | MLX5_SET(mkc, mkc, translations_octword_size, |
533 | MLX5_MTT_OCTW(npages)); | |
ec8b9981 | 534 | MLX5_SET(mkc, mkc, log_page_size, page_shift); |
3608ae77 | 535 | |
ec8b9981 | 536 | err = mlx5_core_create_mkey(mdev, umr_mkey, in, inlen); |
3608ae77 TT |
537 | |
538 | kvfree(in); | |
539 | return err; | |
540 | } | |
541 | ||
a43b25da | 542 | static int mlx5e_create_rq_umr_mkey(struct mlx5_core_dev *mdev, struct mlx5e_rq *rq) |
ec8b9981 | 543 | { |
6a9764ef | 544 | u64 num_mtts = MLX5E_REQUIRED_MTTS(mlx5_wq_ll_get_size(&rq->wq)); |
ec8b9981 | 545 | |
a43b25da | 546 | return mlx5e_create_umr_mkey(mdev, num_mtts, PAGE_SHIFT, &rq->umr_mkey); |
ec8b9981 TT |
547 | } |
548 | ||
3b77235b | 549 | static int mlx5e_alloc_rq(struct mlx5e_channel *c, |
6a9764ef SM |
550 | struct mlx5e_params *params, |
551 | struct mlx5e_rq_param *rqp, | |
3b77235b | 552 | struct mlx5e_rq *rq) |
f62b8bb8 | 553 | { |
a43b25da | 554 | struct mlx5_core_dev *mdev = c->mdev; |
6a9764ef | 555 | void *rqc = rqp->rqc; |
f62b8bb8 | 556 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
461017cb | 557 | u32 byte_count; |
1bfecfca | 558 | int npages; |
f62b8bb8 AV |
559 | int wq_sz; |
560 | int err; | |
561 | int i; | |
562 | ||
6a9764ef | 563 | rqp->wq.db_numa_node = cpu_to_node(c->cpu); |
311c7c71 | 564 | |
6a9764ef | 565 | err = mlx5_wq_ll_create(mdev, &rqp->wq, rqc_wq, &rq->wq, |
f62b8bb8 AV |
566 | &rq->wq_ctrl); |
567 | if (err) | |
568 | return err; | |
569 | ||
570 | rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; | |
571 | ||
572 | wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
f62b8bb8 | 573 | |
6a9764ef | 574 | rq->wq_type = params->rq_wq_type; |
7e426671 TT |
575 | rq->pdev = c->pdev; |
576 | rq->netdev = c->netdev; | |
a43b25da | 577 | rq->tstamp = c->tstamp; |
7e426671 TT |
578 | rq->channel = c; |
579 | rq->ix = c->ix; | |
a43b25da | 580 | rq->mdev = mdev; |
97bc402d | 581 | |
6a9764ef | 582 | rq->xdp_prog = params->xdp_prog ? bpf_prog_inc(params->xdp_prog) : NULL; |
97bc402d DB |
583 | if (IS_ERR(rq->xdp_prog)) { |
584 | err = PTR_ERR(rq->xdp_prog); | |
585 | rq->xdp_prog = NULL; | |
586 | goto err_rq_wq_destroy; | |
587 | } | |
7e426671 | 588 | |
bce2b2bf TT |
589 | rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; |
590 | rq->rx_headroom = params->rq_headroom; | |
b5503b99 | 591 | |
6a9764ef | 592 | switch (rq->wq_type) { |
461017cb | 593 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
f5f82476 | 594 | |
461017cb | 595 | rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; |
6cd392a0 | 596 | rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; |
461017cb | 597 | |
20fd0c19 | 598 | rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe_mpwqe; |
899a59d3 IT |
599 | #ifdef CONFIG_MLX5_EN_IPSEC |
600 | if (MLX5_IPSEC_DEV(mdev)) { | |
601 | err = -EINVAL; | |
602 | netdev_err(c->netdev, "MPWQE RQ with IPSec offload not supported\n"); | |
603 | goto err_rq_wq_destroy; | |
604 | } | |
605 | #endif | |
20fd0c19 SM |
606 | if (!rq->handle_rx_cqe) { |
607 | err = -EINVAL; | |
608 | netdev_err(c->netdev, "RX handler of MPWQE RQ is not set, err %d\n", err); | |
609 | goto err_rq_wq_destroy; | |
610 | } | |
611 | ||
6a9764ef SM |
612 | rq->mpwqe_stride_sz = BIT(params->mpwqe_log_stride_sz); |
613 | rq->mpwqe_num_strides = BIT(params->mpwqe_log_num_strides); | |
1bfecfca SM |
614 | |
615 | rq->buff.wqe_sz = rq->mpwqe_stride_sz * rq->mpwqe_num_strides; | |
616 | byte_count = rq->buff.wqe_sz; | |
ec8b9981 | 617 | |
a43b25da | 618 | err = mlx5e_create_rq_umr_mkey(mdev, rq); |
7e426671 TT |
619 | if (err) |
620 | goto err_rq_wq_destroy; | |
ec8b9981 TT |
621 | rq->mkey_be = cpu_to_be32(rq->umr_mkey.key); |
622 | ||
623 | err = mlx5e_rq_alloc_mpwqe_info(rq, c); | |
624 | if (err) | |
625 | goto err_destroy_umr_mkey; | |
461017cb TT |
626 | break; |
627 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
accd5883 TT |
628 | rq->wqe.frag_info = |
629 | kzalloc_node(wq_sz * sizeof(*rq->wqe.frag_info), | |
630 | GFP_KERNEL, cpu_to_node(c->cpu)); | |
631 | if (!rq->wqe.frag_info) { | |
461017cb TT |
632 | err = -ENOMEM; |
633 | goto err_rq_wq_destroy; | |
634 | } | |
461017cb | 635 | rq->alloc_wqe = mlx5e_alloc_rx_wqe; |
6cd392a0 | 636 | rq->dealloc_wqe = mlx5e_dealloc_rx_wqe; |
461017cb | 637 | |
899a59d3 IT |
638 | #ifdef CONFIG_MLX5_EN_IPSEC |
639 | if (c->priv->ipsec) | |
640 | rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe; | |
641 | else | |
642 | #endif | |
643 | rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe; | |
20fd0c19 | 644 | if (!rq->handle_rx_cqe) { |
accd5883 | 645 | kfree(rq->wqe.frag_info); |
20fd0c19 SM |
646 | err = -EINVAL; |
647 | netdev_err(c->netdev, "RX handler of RQ is not set, err %d\n", err); | |
648 | goto err_rq_wq_destroy; | |
649 | } | |
650 | ||
6a9764ef SM |
651 | rq->buff.wqe_sz = params->lro_en ? |
652 | params->lro_wqe_sz : | |
c139dbfd | 653 | MLX5E_SW2HW_MTU(c->priv, c->netdev->mtu); |
899a59d3 IT |
654 | #ifdef CONFIG_MLX5_EN_IPSEC |
655 | if (MLX5_IPSEC_DEV(mdev)) | |
656 | rq->buff.wqe_sz += MLX5E_METADATA_ETHER_LEN; | |
657 | #endif | |
accd5883 | 658 | rq->wqe.page_reuse = !params->xdp_prog && !params->lro_en; |
1bfecfca SM |
659 | byte_count = rq->buff.wqe_sz; |
660 | ||
661 | /* calc the required page order */ | |
accd5883 TT |
662 | rq->wqe.frag_sz = MLX5_SKB_FRAG_SZ(rq->rx_headroom + byte_count); |
663 | npages = DIV_ROUND_UP(rq->wqe.frag_sz, PAGE_SIZE); | |
1bfecfca SM |
664 | rq->buff.page_order = order_base_2(npages); |
665 | ||
461017cb | 666 | byte_count |= MLX5_HW_START_PADDING; |
7e426671 | 667 | rq->mkey_be = c->mkey_be; |
461017cb | 668 | } |
f62b8bb8 AV |
669 | |
670 | for (i = 0; i < wq_sz; i++) { | |
671 | struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); | |
672 | ||
461017cb | 673 | wqe->data.byte_count = cpu_to_be32(byte_count); |
7e426671 | 674 | wqe->data.lkey = rq->mkey_be; |
f62b8bb8 AV |
675 | } |
676 | ||
cb3c7fd4 | 677 | INIT_WORK(&rq->am.work, mlx5e_rx_am_work); |
6a9764ef | 678 | rq->am.mode = params->rx_cq_period_mode; |
4415a031 TT |
679 | rq->page_cache.head = 0; |
680 | rq->page_cache.tail = 0; | |
681 | ||
f62b8bb8 AV |
682 | return 0; |
683 | ||
ec8b9981 TT |
684 | err_destroy_umr_mkey: |
685 | mlx5_core_destroy_mkey(mdev, &rq->umr_mkey); | |
686 | ||
f62b8bb8 | 687 | err_rq_wq_destroy: |
97bc402d DB |
688 | if (rq->xdp_prog) |
689 | bpf_prog_put(rq->xdp_prog); | |
f62b8bb8 AV |
690 | mlx5_wq_destroy(&rq->wq_ctrl); |
691 | ||
692 | return err; | |
693 | } | |
694 | ||
3b77235b | 695 | static void mlx5e_free_rq(struct mlx5e_rq *rq) |
f62b8bb8 | 696 | { |
4415a031 TT |
697 | int i; |
698 | ||
86994156 RS |
699 | if (rq->xdp_prog) |
700 | bpf_prog_put(rq->xdp_prog); | |
701 | ||
461017cb TT |
702 | switch (rq->wq_type) { |
703 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: | |
7e426671 | 704 | mlx5e_rq_free_mpwqe_info(rq); |
a43b25da | 705 | mlx5_core_destroy_mkey(rq->mdev, &rq->umr_mkey); |
461017cb TT |
706 | break; |
707 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
accd5883 | 708 | kfree(rq->wqe.frag_info); |
461017cb TT |
709 | } |
710 | ||
4415a031 TT |
711 | for (i = rq->page_cache.head; i != rq->page_cache.tail; |
712 | i = (i + 1) & (MLX5E_CACHE_SIZE - 1)) { | |
713 | struct mlx5e_dma_info *dma_info = &rq->page_cache.page_cache[i]; | |
714 | ||
715 | mlx5e_page_release(rq, dma_info, false); | |
716 | } | |
f62b8bb8 AV |
717 | mlx5_wq_destroy(&rq->wq_ctrl); |
718 | } | |
719 | ||
6a9764ef SM |
720 | static int mlx5e_create_rq(struct mlx5e_rq *rq, |
721 | struct mlx5e_rq_param *param) | |
f62b8bb8 | 722 | { |
a43b25da | 723 | struct mlx5_core_dev *mdev = rq->mdev; |
f62b8bb8 AV |
724 | |
725 | void *in; | |
726 | void *rqc; | |
727 | void *wq; | |
728 | int inlen; | |
729 | int err; | |
730 | ||
731 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + | |
732 | sizeof(u64) * rq->wq_ctrl.buf.npages; | |
1b9a07ee | 733 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
734 | if (!in) |
735 | return -ENOMEM; | |
736 | ||
737 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
738 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
739 | ||
740 | memcpy(rqc, param->rqc, sizeof(param->rqc)); | |
741 | ||
97de9f31 | 742 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
f62b8bb8 | 743 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
f62b8bb8 | 744 | MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - |
68cdf5d6 | 745 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
746 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
747 | ||
748 | mlx5_fill_page_array(&rq->wq_ctrl.buf, | |
749 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); | |
750 | ||
7db22ffb | 751 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
f62b8bb8 AV |
752 | |
753 | kvfree(in); | |
754 | ||
755 | return err; | |
756 | } | |
757 | ||
36350114 GP |
758 | static int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, |
759 | int next_state) | |
f62b8bb8 AV |
760 | { |
761 | struct mlx5e_channel *c = rq->channel; | |
a43b25da | 762 | struct mlx5_core_dev *mdev = c->mdev; |
f62b8bb8 AV |
763 | |
764 | void *in; | |
765 | void *rqc; | |
766 | int inlen; | |
767 | int err; | |
768 | ||
769 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 770 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
771 | if (!in) |
772 | return -ENOMEM; | |
773 | ||
774 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
775 | ||
776 | MLX5_SET(modify_rq_in, in, rq_state, curr_state); | |
777 | MLX5_SET(rqc, rqc, state, next_state); | |
778 | ||
7db22ffb | 779 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
f62b8bb8 AV |
780 | |
781 | kvfree(in); | |
782 | ||
783 | return err; | |
784 | } | |
785 | ||
102722fc GE |
786 | static int mlx5e_modify_rq_scatter_fcs(struct mlx5e_rq *rq, bool enable) |
787 | { | |
788 | struct mlx5e_channel *c = rq->channel; | |
789 | struct mlx5e_priv *priv = c->priv; | |
790 | struct mlx5_core_dev *mdev = priv->mdev; | |
791 | ||
792 | void *in; | |
793 | void *rqc; | |
794 | int inlen; | |
795 | int err; | |
796 | ||
797 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 798 | in = kvzalloc(inlen, GFP_KERNEL); |
102722fc GE |
799 | if (!in) |
800 | return -ENOMEM; | |
801 | ||
802 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
803 | ||
804 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); | |
805 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
806 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS); | |
807 | MLX5_SET(rqc, rqc, scatter_fcs, enable); | |
808 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); | |
809 | ||
810 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); | |
811 | ||
812 | kvfree(in); | |
813 | ||
814 | return err; | |
815 | } | |
816 | ||
36350114 GP |
817 | static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd) |
818 | { | |
819 | struct mlx5e_channel *c = rq->channel; | |
a43b25da | 820 | struct mlx5_core_dev *mdev = c->mdev; |
36350114 GP |
821 | void *in; |
822 | void *rqc; | |
823 | int inlen; | |
824 | int err; | |
825 | ||
826 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 827 | in = kvzalloc(inlen, GFP_KERNEL); |
36350114 GP |
828 | if (!in) |
829 | return -ENOMEM; | |
830 | ||
831 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
832 | ||
833 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); | |
83b502a1 AV |
834 | MLX5_SET64(modify_rq_in, in, modify_bitmask, |
835 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); | |
36350114 GP |
836 | MLX5_SET(rqc, rqc, vsd, vsd); |
837 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); | |
838 | ||
839 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); | |
840 | ||
841 | kvfree(in); | |
842 | ||
843 | return err; | |
844 | } | |
845 | ||
3b77235b | 846 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) |
f62b8bb8 | 847 | { |
a43b25da | 848 | mlx5_core_destroy_rq(rq->mdev, rq->rqn); |
f62b8bb8 AV |
849 | } |
850 | ||
851 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) | |
852 | { | |
01c196a2 | 853 | unsigned long exp_time = jiffies + msecs_to_jiffies(20000); |
f62b8bb8 | 854 | struct mlx5e_channel *c = rq->channel; |
a43b25da | 855 | |
f62b8bb8 | 856 | struct mlx5_wq_ll *wq = &rq->wq; |
6a9764ef | 857 | u16 min_wqes = mlx5_min_rx_wqes(rq->wq_type, mlx5_wq_ll_get_size(wq)); |
f62b8bb8 | 858 | |
01c196a2 | 859 | while (time_before(jiffies, exp_time)) { |
6a9764ef | 860 | if (wq->cur_sz >= min_wqes) |
f62b8bb8 AV |
861 | return 0; |
862 | ||
863 | msleep(20); | |
864 | } | |
865 | ||
a43b25da | 866 | netdev_warn(c->netdev, "Failed to get min RX wqes on RQN[0x%x] wq cur_sz(%d) min_rx_wqes(%d)\n", |
6a9764ef | 867 | rq->rqn, wq->cur_sz, min_wqes); |
f62b8bb8 AV |
868 | return -ETIMEDOUT; |
869 | } | |
870 | ||
f2fde18c SM |
871 | static void mlx5e_free_rx_descs(struct mlx5e_rq *rq) |
872 | { | |
873 | struct mlx5_wq_ll *wq = &rq->wq; | |
874 | struct mlx5e_rx_wqe *wqe; | |
875 | __be16 wqe_ix_be; | |
876 | u16 wqe_ix; | |
877 | ||
8484f9ed SM |
878 | /* UMR WQE (if in progress) is always at wq->head */ |
879 | if (test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state)) | |
21c59685 | 880 | mlx5e_free_rx_mpwqe(rq, &rq->mpwqe.info[wq->head]); |
8484f9ed | 881 | |
f2fde18c SM |
882 | while (!mlx5_wq_ll_is_empty(wq)) { |
883 | wqe_ix_be = *wq->tail_next; | |
884 | wqe_ix = be16_to_cpu(wqe_ix_be); | |
885 | wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_ix); | |
886 | rq->dealloc_wqe(rq, wqe_ix); | |
887 | mlx5_wq_ll_pop(&rq->wq, wqe_ix_be, | |
888 | &wqe->next.next_wqe_index); | |
889 | } | |
accd5883 TT |
890 | |
891 | if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST && rq->wqe.page_reuse) { | |
892 | /* Clean outstanding pages on handled WQEs that decided to do page-reuse, | |
893 | * but yet to be re-posted. | |
894 | */ | |
895 | int wq_sz = mlx5_wq_ll_get_size(&rq->wq); | |
896 | ||
897 | for (wqe_ix = 0; wqe_ix < wq_sz; wqe_ix++) | |
898 | rq->dealloc_wqe(rq, wqe_ix); | |
899 | } | |
f2fde18c SM |
900 | } |
901 | ||
f62b8bb8 | 902 | static int mlx5e_open_rq(struct mlx5e_channel *c, |
6a9764ef | 903 | struct mlx5e_params *params, |
f62b8bb8 AV |
904 | struct mlx5e_rq_param *param, |
905 | struct mlx5e_rq *rq) | |
906 | { | |
907 | int err; | |
908 | ||
6a9764ef | 909 | err = mlx5e_alloc_rq(c, params, param, rq); |
f62b8bb8 AV |
910 | if (err) |
911 | return err; | |
912 | ||
3b77235b | 913 | err = mlx5e_create_rq(rq, param); |
f62b8bb8 | 914 | if (err) |
3b77235b | 915 | goto err_free_rq; |
f62b8bb8 | 916 | |
36350114 | 917 | err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); |
f62b8bb8 | 918 | if (err) |
3b77235b | 919 | goto err_destroy_rq; |
f62b8bb8 | 920 | |
6a9764ef | 921 | if (params->rx_am_enabled) |
cb3c7fd4 GR |
922 | set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); |
923 | ||
f62b8bb8 AV |
924 | return 0; |
925 | ||
f62b8bb8 AV |
926 | err_destroy_rq: |
927 | mlx5e_destroy_rq(rq); | |
3b77235b SM |
928 | err_free_rq: |
929 | mlx5e_free_rq(rq); | |
f62b8bb8 AV |
930 | |
931 | return err; | |
932 | } | |
933 | ||
acc6c595 SM |
934 | static void mlx5e_activate_rq(struct mlx5e_rq *rq) |
935 | { | |
936 | struct mlx5e_icosq *sq = &rq->channel->icosq; | |
937 | u16 pi = sq->pc & sq->wq.sz_m1; | |
938 | struct mlx5e_tx_wqe *nopwqe; | |
939 | ||
940 | set_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); | |
941 | sq->db.ico_wqe[pi].opcode = MLX5_OPCODE_NOP; | |
942 | sq->db.ico_wqe[pi].num_wqebbs = 1; | |
943 | nopwqe = mlx5e_post_nop(&sq->wq, sq->sqn, &sq->pc); | |
944 | mlx5e_notify_hw(&sq->wq, sq->pc, sq->uar_map, &nopwqe->ctrl); | |
945 | } | |
946 | ||
947 | static void mlx5e_deactivate_rq(struct mlx5e_rq *rq) | |
f62b8bb8 | 948 | { |
c0f1147d | 949 | clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); |
f62b8bb8 | 950 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ |
acc6c595 | 951 | } |
cb3c7fd4 | 952 | |
acc6c595 SM |
953 | static void mlx5e_close_rq(struct mlx5e_rq *rq) |
954 | { | |
955 | cancel_work_sync(&rq->am.work); | |
f62b8bb8 | 956 | mlx5e_destroy_rq(rq); |
3b77235b SM |
957 | mlx5e_free_rx_descs(rq); |
958 | mlx5e_free_rq(rq); | |
f62b8bb8 AV |
959 | } |
960 | ||
31391048 | 961 | static void mlx5e_free_xdpsq_db(struct mlx5e_xdpsq *sq) |
b5503b99 | 962 | { |
31391048 | 963 | kfree(sq->db.di); |
b5503b99 SM |
964 | } |
965 | ||
31391048 | 966 | static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa) |
b5503b99 SM |
967 | { |
968 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
969 | ||
31391048 | 970 | sq->db.di = kzalloc_node(sizeof(*sq->db.di) * wq_sz, |
b5503b99 | 971 | GFP_KERNEL, numa); |
31391048 SM |
972 | if (!sq->db.di) { |
973 | mlx5e_free_xdpsq_db(sq); | |
b5503b99 SM |
974 | return -ENOMEM; |
975 | } | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
31391048 | 980 | static int mlx5e_alloc_xdpsq(struct mlx5e_channel *c, |
6a9764ef | 981 | struct mlx5e_params *params, |
31391048 SM |
982 | struct mlx5e_sq_param *param, |
983 | struct mlx5e_xdpsq *sq) | |
984 | { | |
985 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); | |
a43b25da | 986 | struct mlx5_core_dev *mdev = c->mdev; |
31391048 SM |
987 | int err; |
988 | ||
989 | sq->pdev = c->pdev; | |
990 | sq->mkey_be = c->mkey_be; | |
991 | sq->channel = c; | |
992 | sq->uar_map = mdev->mlx5e_res.bfreg.map; | |
6a9764ef | 993 | sq->min_inline_mode = params->tx_min_inline_mode; |
31391048 SM |
994 | |
995 | param->wq.db_numa_node = cpu_to_node(c->cpu); | |
996 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, &sq->wq_ctrl); | |
997 | if (err) | |
998 | return err; | |
999 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; | |
1000 | ||
1001 | err = mlx5e_alloc_xdpsq_db(sq, cpu_to_node(c->cpu)); | |
1002 | if (err) | |
1003 | goto err_sq_wq_destroy; | |
1004 | ||
1005 | return 0; | |
1006 | ||
1007 | err_sq_wq_destroy: | |
1008 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1009 | ||
1010 | return err; | |
1011 | } | |
1012 | ||
1013 | static void mlx5e_free_xdpsq(struct mlx5e_xdpsq *sq) | |
1014 | { | |
1015 | mlx5e_free_xdpsq_db(sq); | |
1016 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1017 | } | |
1018 | ||
1019 | static void mlx5e_free_icosq_db(struct mlx5e_icosq *sq) | |
f62b8bb8 | 1020 | { |
f10b7cc7 | 1021 | kfree(sq->db.ico_wqe); |
f62b8bb8 AV |
1022 | } |
1023 | ||
31391048 | 1024 | static int mlx5e_alloc_icosq_db(struct mlx5e_icosq *sq, int numa) |
f10b7cc7 SM |
1025 | { |
1026 | u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq); | |
1027 | ||
1028 | sq->db.ico_wqe = kzalloc_node(sizeof(*sq->db.ico_wqe) * wq_sz, | |
1029 | GFP_KERNEL, numa); | |
1030 | if (!sq->db.ico_wqe) | |
1031 | return -ENOMEM; | |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
31391048 | 1036 | static int mlx5e_alloc_icosq(struct mlx5e_channel *c, |
31391048 SM |
1037 | struct mlx5e_sq_param *param, |
1038 | struct mlx5e_icosq *sq) | |
f10b7cc7 | 1039 | { |
31391048 | 1040 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); |
a43b25da | 1041 | struct mlx5_core_dev *mdev = c->mdev; |
31391048 | 1042 | int err; |
f10b7cc7 | 1043 | |
31391048 SM |
1044 | sq->pdev = c->pdev; |
1045 | sq->mkey_be = c->mkey_be; | |
1046 | sq->channel = c; | |
1047 | sq->uar_map = mdev->mlx5e_res.bfreg.map; | |
f62b8bb8 | 1048 | |
31391048 SM |
1049 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
1050 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, &sq->wq_ctrl); | |
1051 | if (err) | |
1052 | return err; | |
1053 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; | |
f62b8bb8 | 1054 | |
31391048 SM |
1055 | err = mlx5e_alloc_icosq_db(sq, cpu_to_node(c->cpu)); |
1056 | if (err) | |
1057 | goto err_sq_wq_destroy; | |
1058 | ||
1059 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5E_ICOSQ_MAX_WQEBBS; | |
f62b8bb8 AV |
1060 | |
1061 | return 0; | |
31391048 SM |
1062 | |
1063 | err_sq_wq_destroy: | |
1064 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1065 | ||
1066 | return err; | |
f62b8bb8 AV |
1067 | } |
1068 | ||
31391048 | 1069 | static void mlx5e_free_icosq(struct mlx5e_icosq *sq) |
f10b7cc7 | 1070 | { |
31391048 SM |
1071 | mlx5e_free_icosq_db(sq); |
1072 | mlx5_wq_destroy(&sq->wq_ctrl); | |
f10b7cc7 SM |
1073 | } |
1074 | ||
31391048 | 1075 | static void mlx5e_free_txqsq_db(struct mlx5e_txqsq *sq) |
f10b7cc7 | 1076 | { |
31391048 SM |
1077 | kfree(sq->db.wqe_info); |
1078 | kfree(sq->db.dma_fifo); | |
f10b7cc7 SM |
1079 | } |
1080 | ||
31391048 | 1081 | static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa) |
b5503b99 | 1082 | { |
31391048 SM |
1083 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
1084 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; | |
1085 | ||
31391048 SM |
1086 | sq->db.dma_fifo = kzalloc_node(df_sz * sizeof(*sq->db.dma_fifo), |
1087 | GFP_KERNEL, numa); | |
1088 | sq->db.wqe_info = kzalloc_node(wq_sz * sizeof(*sq->db.wqe_info), | |
1089 | GFP_KERNEL, numa); | |
77bdf895 | 1090 | if (!sq->db.dma_fifo || !sq->db.wqe_info) { |
31391048 SM |
1091 | mlx5e_free_txqsq_db(sq); |
1092 | return -ENOMEM; | |
b5503b99 | 1093 | } |
31391048 SM |
1094 | |
1095 | sq->dma_fifo_mask = df_sz - 1; | |
1096 | ||
1097 | return 0; | |
b5503b99 SM |
1098 | } |
1099 | ||
31391048 | 1100 | static int mlx5e_alloc_txqsq(struct mlx5e_channel *c, |
acc6c595 | 1101 | int txq_ix, |
6a9764ef | 1102 | struct mlx5e_params *params, |
31391048 SM |
1103 | struct mlx5e_sq_param *param, |
1104 | struct mlx5e_txqsq *sq) | |
f62b8bb8 | 1105 | { |
31391048 | 1106 | void *sqc_wq = MLX5_ADDR_OF(sqc, param->sqc, wq); |
a43b25da | 1107 | struct mlx5_core_dev *mdev = c->mdev; |
f62b8bb8 AV |
1108 | int err; |
1109 | ||
f10b7cc7 | 1110 | sq->pdev = c->pdev; |
a43b25da | 1111 | sq->tstamp = c->tstamp; |
f10b7cc7 SM |
1112 | sq->mkey_be = c->mkey_be; |
1113 | sq->channel = c; | |
acc6c595 | 1114 | sq->txq_ix = txq_ix; |
aff26157 | 1115 | sq->uar_map = mdev->mlx5e_res.bfreg.map; |
6a9764ef SM |
1116 | sq->max_inline = params->tx_max_inline; |
1117 | sq->min_inline_mode = params->tx_min_inline_mode; | |
2ac9cfe7 IT |
1118 | if (MLX5_IPSEC_DEV(c->priv->mdev)) |
1119 | set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state); | |
f10b7cc7 | 1120 | |
311c7c71 | 1121 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
31391048 | 1122 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, &sq->wq_ctrl); |
f62b8bb8 | 1123 | if (err) |
aff26157 | 1124 | return err; |
31391048 | 1125 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; |
f62b8bb8 | 1126 | |
31391048 | 1127 | err = mlx5e_alloc_txqsq_db(sq, cpu_to_node(c->cpu)); |
7ec0bb22 | 1128 | if (err) |
f62b8bb8 AV |
1129 | goto err_sq_wq_destroy; |
1130 | ||
31391048 | 1131 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS; |
f62b8bb8 AV |
1132 | |
1133 | return 0; | |
1134 | ||
1135 | err_sq_wq_destroy: | |
1136 | mlx5_wq_destroy(&sq->wq_ctrl); | |
1137 | ||
f62b8bb8 AV |
1138 | return err; |
1139 | } | |
1140 | ||
31391048 | 1141 | static void mlx5e_free_txqsq(struct mlx5e_txqsq *sq) |
f62b8bb8 | 1142 | { |
31391048 | 1143 | mlx5e_free_txqsq_db(sq); |
f62b8bb8 | 1144 | mlx5_wq_destroy(&sq->wq_ctrl); |
f62b8bb8 AV |
1145 | } |
1146 | ||
33ad9711 SM |
1147 | struct mlx5e_create_sq_param { |
1148 | struct mlx5_wq_ctrl *wq_ctrl; | |
1149 | u32 cqn; | |
1150 | u32 tisn; | |
1151 | u8 tis_lst_sz; | |
1152 | u8 min_inline_mode; | |
1153 | }; | |
1154 | ||
a43b25da | 1155 | static int mlx5e_create_sq(struct mlx5_core_dev *mdev, |
33ad9711 SM |
1156 | struct mlx5e_sq_param *param, |
1157 | struct mlx5e_create_sq_param *csp, | |
1158 | u32 *sqn) | |
f62b8bb8 | 1159 | { |
f62b8bb8 AV |
1160 | void *in; |
1161 | void *sqc; | |
1162 | void *wq; | |
1163 | int inlen; | |
1164 | int err; | |
1165 | ||
1166 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + | |
33ad9711 | 1167 | sizeof(u64) * csp->wq_ctrl->buf.npages; |
1b9a07ee | 1168 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1169 | if (!in) |
1170 | return -ENOMEM; | |
1171 | ||
1172 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
1173 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1174 | ||
1175 | memcpy(sqc, param->sqc, sizeof(param->sqc)); | |
33ad9711 SM |
1176 | MLX5_SET(sqc, sqc, tis_lst_sz, csp->tis_lst_sz); |
1177 | MLX5_SET(sqc, sqc, tis_num_0, csp->tisn); | |
1178 | MLX5_SET(sqc, sqc, cqn, csp->cqn); | |
a6f402e4 SM |
1179 | |
1180 | if (MLX5_CAP_ETH(mdev, wqe_inline_mode) == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) | |
33ad9711 | 1181 | MLX5_SET(sqc, sqc, min_wqe_inline_mode, csp->min_inline_mode); |
a6f402e4 | 1182 | |
33ad9711 | 1183 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); |
f62b8bb8 AV |
1184 | |
1185 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
a43b25da | 1186 | MLX5_SET(wq, wq, uar_page, mdev->mlx5e_res.bfreg.index); |
33ad9711 | 1187 | MLX5_SET(wq, wq, log_wq_pg_sz, csp->wq_ctrl->buf.page_shift - |
68cdf5d6 | 1188 | MLX5_ADAPTER_PAGE_SHIFT); |
33ad9711 | 1189 | MLX5_SET64(wq, wq, dbr_addr, csp->wq_ctrl->db.dma); |
f62b8bb8 | 1190 | |
33ad9711 | 1191 | mlx5_fill_page_array(&csp->wq_ctrl->buf, (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); |
f62b8bb8 | 1192 | |
33ad9711 | 1193 | err = mlx5_core_create_sq(mdev, in, inlen, sqn); |
f62b8bb8 AV |
1194 | |
1195 | kvfree(in); | |
1196 | ||
1197 | return err; | |
1198 | } | |
1199 | ||
33ad9711 SM |
1200 | struct mlx5e_modify_sq_param { |
1201 | int curr_state; | |
1202 | int next_state; | |
1203 | bool rl_update; | |
1204 | int rl_index; | |
1205 | }; | |
1206 | ||
a43b25da | 1207 | static int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn, |
33ad9711 | 1208 | struct mlx5e_modify_sq_param *p) |
f62b8bb8 | 1209 | { |
f62b8bb8 AV |
1210 | void *in; |
1211 | void *sqc; | |
1212 | int inlen; | |
1213 | int err; | |
1214 | ||
1215 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
1b9a07ee | 1216 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1217 | if (!in) |
1218 | return -ENOMEM; | |
1219 | ||
1220 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
1221 | ||
33ad9711 SM |
1222 | MLX5_SET(modify_sq_in, in, sq_state, p->curr_state); |
1223 | MLX5_SET(sqc, sqc, state, p->next_state); | |
1224 | if (p->rl_update && p->next_state == MLX5_SQC_STATE_RDY) { | |
507f0c81 | 1225 | MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); |
33ad9711 | 1226 | MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, p->rl_index); |
507f0c81 | 1227 | } |
f62b8bb8 | 1228 | |
33ad9711 | 1229 | err = mlx5_core_modify_sq(mdev, sqn, in, inlen); |
f62b8bb8 AV |
1230 | |
1231 | kvfree(in); | |
1232 | ||
1233 | return err; | |
1234 | } | |
1235 | ||
a43b25da | 1236 | static void mlx5e_destroy_sq(struct mlx5_core_dev *mdev, u32 sqn) |
33ad9711 | 1237 | { |
a43b25da | 1238 | mlx5_core_destroy_sq(mdev, sqn); |
f62b8bb8 AV |
1239 | } |
1240 | ||
a43b25da | 1241 | static int mlx5e_create_sq_rdy(struct mlx5_core_dev *mdev, |
31391048 SM |
1242 | struct mlx5e_sq_param *param, |
1243 | struct mlx5e_create_sq_param *csp, | |
1244 | u32 *sqn) | |
f62b8bb8 | 1245 | { |
33ad9711 | 1246 | struct mlx5e_modify_sq_param msp = {0}; |
31391048 SM |
1247 | int err; |
1248 | ||
a43b25da | 1249 | err = mlx5e_create_sq(mdev, param, csp, sqn); |
31391048 SM |
1250 | if (err) |
1251 | return err; | |
1252 | ||
1253 | msp.curr_state = MLX5_SQC_STATE_RST; | |
1254 | msp.next_state = MLX5_SQC_STATE_RDY; | |
a43b25da | 1255 | err = mlx5e_modify_sq(mdev, *sqn, &msp); |
31391048 | 1256 | if (err) |
a43b25da | 1257 | mlx5e_destroy_sq(mdev, *sqn); |
31391048 SM |
1258 | |
1259 | return err; | |
1260 | } | |
1261 | ||
7f859ecf SM |
1262 | static int mlx5e_set_sq_maxrate(struct net_device *dev, |
1263 | struct mlx5e_txqsq *sq, u32 rate); | |
1264 | ||
31391048 | 1265 | static int mlx5e_open_txqsq(struct mlx5e_channel *c, |
a43b25da | 1266 | u32 tisn, |
acc6c595 | 1267 | int txq_ix, |
6a9764ef | 1268 | struct mlx5e_params *params, |
31391048 SM |
1269 | struct mlx5e_sq_param *param, |
1270 | struct mlx5e_txqsq *sq) | |
1271 | { | |
1272 | struct mlx5e_create_sq_param csp = {}; | |
7f859ecf | 1273 | u32 tx_rate; |
f62b8bb8 AV |
1274 | int err; |
1275 | ||
6a9764ef | 1276 | err = mlx5e_alloc_txqsq(c, txq_ix, params, param, sq); |
f62b8bb8 AV |
1277 | if (err) |
1278 | return err; | |
1279 | ||
a43b25da | 1280 | csp.tisn = tisn; |
31391048 | 1281 | csp.tis_lst_sz = 1; |
33ad9711 SM |
1282 | csp.cqn = sq->cq.mcq.cqn; |
1283 | csp.wq_ctrl = &sq->wq_ctrl; | |
1284 | csp.min_inline_mode = sq->min_inline_mode; | |
a43b25da | 1285 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
f62b8bb8 | 1286 | if (err) |
31391048 | 1287 | goto err_free_txqsq; |
f62b8bb8 | 1288 | |
a43b25da | 1289 | tx_rate = c->priv->tx_rates[sq->txq_ix]; |
7f859ecf | 1290 | if (tx_rate) |
a43b25da | 1291 | mlx5e_set_sq_maxrate(c->netdev, sq, tx_rate); |
7f859ecf | 1292 | |
f62b8bb8 AV |
1293 | return 0; |
1294 | ||
31391048 | 1295 | err_free_txqsq: |
3b77235b | 1296 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
31391048 | 1297 | mlx5e_free_txqsq(sq); |
f62b8bb8 AV |
1298 | |
1299 | return err; | |
1300 | } | |
1301 | ||
acc6c595 SM |
1302 | static void mlx5e_activate_txqsq(struct mlx5e_txqsq *sq) |
1303 | { | |
a43b25da | 1304 | sq->txq = netdev_get_tx_queue(sq->channel->netdev, sq->txq_ix); |
acc6c595 SM |
1305 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
1306 | netdev_tx_reset_queue(sq->txq); | |
1307 | netif_tx_start_queue(sq->txq); | |
1308 | } | |
1309 | ||
f62b8bb8 AV |
1310 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) |
1311 | { | |
1312 | __netif_tx_lock_bh(txq); | |
1313 | netif_tx_stop_queue(txq); | |
1314 | __netif_tx_unlock_bh(txq); | |
1315 | } | |
1316 | ||
acc6c595 | 1317 | static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) |
f62b8bb8 | 1318 | { |
33ad9711 | 1319 | struct mlx5e_channel *c = sq->channel; |
33ad9711 | 1320 | |
c0f1147d | 1321 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
6e8dd6d6 | 1322 | /* prevent netif_tx_wake_queue */ |
33ad9711 | 1323 | napi_synchronize(&c->napi); |
29429f33 | 1324 | |
31391048 | 1325 | netif_tx_disable_queue(sq->txq); |
f62b8bb8 | 1326 | |
31391048 SM |
1327 | /* last doorbell out, godspeed .. */ |
1328 | if (mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, 1)) { | |
1329 | struct mlx5e_tx_wqe *nop; | |
864b2d71 | 1330 | |
77bdf895 | 1331 | sq->db.wqe_info[(sq->pc & sq->wq.sz_m1)].skb = NULL; |
31391048 SM |
1332 | nop = mlx5e_post_nop(&sq->wq, sq->sqn, &sq->pc); |
1333 | mlx5e_notify_hw(&sq->wq, sq->pc, sq->uar_map, &nop->ctrl); | |
29429f33 | 1334 | } |
acc6c595 SM |
1335 | } |
1336 | ||
1337 | static void mlx5e_close_txqsq(struct mlx5e_txqsq *sq) | |
1338 | { | |
1339 | struct mlx5e_channel *c = sq->channel; | |
a43b25da | 1340 | struct mlx5_core_dev *mdev = c->mdev; |
f62b8bb8 | 1341 | |
a43b25da | 1342 | mlx5e_destroy_sq(mdev, sq->sqn); |
33ad9711 SM |
1343 | if (sq->rate_limit) |
1344 | mlx5_rl_remove_rate(mdev, sq->rate_limit); | |
31391048 SM |
1345 | mlx5e_free_txqsq_descs(sq); |
1346 | mlx5e_free_txqsq(sq); | |
1347 | } | |
1348 | ||
1349 | static int mlx5e_open_icosq(struct mlx5e_channel *c, | |
6a9764ef | 1350 | struct mlx5e_params *params, |
31391048 SM |
1351 | struct mlx5e_sq_param *param, |
1352 | struct mlx5e_icosq *sq) | |
1353 | { | |
1354 | struct mlx5e_create_sq_param csp = {}; | |
1355 | int err; | |
1356 | ||
6a9764ef | 1357 | err = mlx5e_alloc_icosq(c, param, sq); |
31391048 SM |
1358 | if (err) |
1359 | return err; | |
1360 | ||
1361 | csp.cqn = sq->cq.mcq.cqn; | |
1362 | csp.wq_ctrl = &sq->wq_ctrl; | |
6a9764ef | 1363 | csp.min_inline_mode = params->tx_min_inline_mode; |
31391048 | 1364 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
a43b25da | 1365 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
31391048 SM |
1366 | if (err) |
1367 | goto err_free_icosq; | |
1368 | ||
1369 | return 0; | |
1370 | ||
1371 | err_free_icosq: | |
1372 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1373 | mlx5e_free_icosq(sq); | |
1374 | ||
1375 | return err; | |
1376 | } | |
1377 | ||
1378 | static void mlx5e_close_icosq(struct mlx5e_icosq *sq) | |
1379 | { | |
1380 | struct mlx5e_channel *c = sq->channel; | |
1381 | ||
1382 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1383 | napi_synchronize(&c->napi); | |
1384 | ||
a43b25da | 1385 | mlx5e_destroy_sq(c->mdev, sq->sqn); |
31391048 SM |
1386 | mlx5e_free_icosq(sq); |
1387 | } | |
1388 | ||
1389 | static int mlx5e_open_xdpsq(struct mlx5e_channel *c, | |
6a9764ef | 1390 | struct mlx5e_params *params, |
31391048 SM |
1391 | struct mlx5e_sq_param *param, |
1392 | struct mlx5e_xdpsq *sq) | |
1393 | { | |
1394 | unsigned int ds_cnt = MLX5E_XDP_TX_DS_COUNT; | |
1395 | struct mlx5e_create_sq_param csp = {}; | |
31391048 SM |
1396 | unsigned int inline_hdr_sz = 0; |
1397 | int err; | |
1398 | int i; | |
1399 | ||
6a9764ef | 1400 | err = mlx5e_alloc_xdpsq(c, params, param, sq); |
31391048 SM |
1401 | if (err) |
1402 | return err; | |
1403 | ||
1404 | csp.tis_lst_sz = 1; | |
a43b25da | 1405 | csp.tisn = c->priv->tisn[0]; /* tc = 0 */ |
31391048 SM |
1406 | csp.cqn = sq->cq.mcq.cqn; |
1407 | csp.wq_ctrl = &sq->wq_ctrl; | |
1408 | csp.min_inline_mode = sq->min_inline_mode; | |
1409 | set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
a43b25da | 1410 | err = mlx5e_create_sq_rdy(c->mdev, param, &csp, &sq->sqn); |
31391048 SM |
1411 | if (err) |
1412 | goto err_free_xdpsq; | |
1413 | ||
1414 | if (sq->min_inline_mode != MLX5_INLINE_MODE_NONE) { | |
1415 | inline_hdr_sz = MLX5E_XDP_MIN_INLINE; | |
1416 | ds_cnt++; | |
1417 | } | |
1418 | ||
1419 | /* Pre initialize fixed WQE fields */ | |
1420 | for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) { | |
1421 | struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i); | |
1422 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
1423 | struct mlx5_wqe_eth_seg *eseg = &wqe->eth; | |
1424 | struct mlx5_wqe_data_seg *dseg; | |
1425 | ||
1426 | cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt); | |
1427 | eseg->inline_hdr.sz = cpu_to_be16(inline_hdr_sz); | |
1428 | ||
1429 | dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1); | |
1430 | dseg->lkey = sq->mkey_be; | |
1431 | } | |
1432 | ||
1433 | return 0; | |
1434 | ||
1435 | err_free_xdpsq: | |
1436 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1437 | mlx5e_free_xdpsq(sq); | |
1438 | ||
1439 | return err; | |
1440 | } | |
1441 | ||
1442 | static void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq) | |
1443 | { | |
1444 | struct mlx5e_channel *c = sq->channel; | |
1445 | ||
1446 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); | |
1447 | napi_synchronize(&c->napi); | |
1448 | ||
a43b25da | 1449 | mlx5e_destroy_sq(c->mdev, sq->sqn); |
31391048 SM |
1450 | mlx5e_free_xdpsq_descs(sq); |
1451 | mlx5e_free_xdpsq(sq); | |
f62b8bb8 AV |
1452 | } |
1453 | ||
95b6c6a5 EBE |
1454 | static int mlx5e_alloc_cq_common(struct mlx5_core_dev *mdev, |
1455 | struct mlx5e_cq_param *param, | |
1456 | struct mlx5e_cq *cq) | |
f62b8bb8 | 1457 | { |
f62b8bb8 AV |
1458 | struct mlx5_core_cq *mcq = &cq->mcq; |
1459 | int eqn_not_used; | |
0b6e26ce | 1460 | unsigned int irqn; |
f62b8bb8 AV |
1461 | int err; |
1462 | u32 i; | |
1463 | ||
f62b8bb8 AV |
1464 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
1465 | &cq->wq_ctrl); | |
1466 | if (err) | |
1467 | return err; | |
1468 | ||
1469 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); | |
1470 | ||
f62b8bb8 AV |
1471 | mcq->cqe_sz = 64; |
1472 | mcq->set_ci_db = cq->wq_ctrl.db.db; | |
1473 | mcq->arm_db = cq->wq_ctrl.db.db + 1; | |
1474 | *mcq->set_ci_db = 0; | |
1475 | *mcq->arm_db = 0; | |
1476 | mcq->vector = param->eq_ix; | |
1477 | mcq->comp = mlx5e_completion_event; | |
1478 | mcq->event = mlx5e_cq_error_event; | |
1479 | mcq->irqn = irqn; | |
f62b8bb8 AV |
1480 | |
1481 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { | |
1482 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); | |
1483 | ||
1484 | cqe->op_own = 0xf1; | |
1485 | } | |
1486 | ||
a43b25da | 1487 | cq->mdev = mdev; |
f62b8bb8 AV |
1488 | |
1489 | return 0; | |
1490 | } | |
1491 | ||
95b6c6a5 EBE |
1492 | static int mlx5e_alloc_cq(struct mlx5e_channel *c, |
1493 | struct mlx5e_cq_param *param, | |
1494 | struct mlx5e_cq *cq) | |
1495 | { | |
1496 | struct mlx5_core_dev *mdev = c->priv->mdev; | |
1497 | int err; | |
1498 | ||
1499 | param->wq.buf_numa_node = cpu_to_node(c->cpu); | |
1500 | param->wq.db_numa_node = cpu_to_node(c->cpu); | |
1501 | param->eq_ix = c->ix; | |
1502 | ||
1503 | err = mlx5e_alloc_cq_common(mdev, param, cq); | |
1504 | ||
1505 | cq->napi = &c->napi; | |
1506 | cq->channel = c; | |
1507 | ||
1508 | return err; | |
1509 | } | |
1510 | ||
3b77235b | 1511 | static void mlx5e_free_cq(struct mlx5e_cq *cq) |
f62b8bb8 | 1512 | { |
1c1b5228 | 1513 | mlx5_cqwq_destroy(&cq->wq_ctrl); |
f62b8bb8 AV |
1514 | } |
1515 | ||
3b77235b | 1516 | static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) |
f62b8bb8 | 1517 | { |
a43b25da | 1518 | struct mlx5_core_dev *mdev = cq->mdev; |
f62b8bb8 AV |
1519 | struct mlx5_core_cq *mcq = &cq->mcq; |
1520 | ||
1521 | void *in; | |
1522 | void *cqc; | |
1523 | int inlen; | |
0b6e26ce | 1524 | unsigned int irqn_not_used; |
f62b8bb8 AV |
1525 | int eqn; |
1526 | int err; | |
1527 | ||
1528 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + | |
1c1b5228 | 1529 | sizeof(u64) * cq->wq_ctrl.frag_buf.npages; |
1b9a07ee | 1530 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
1531 | if (!in) |
1532 | return -ENOMEM; | |
1533 | ||
1534 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); | |
1535 | ||
1536 | memcpy(cqc, param->cqc, sizeof(param->cqc)); | |
1537 | ||
1c1b5228 TT |
1538 | mlx5_fill_page_frag_array(&cq->wq_ctrl.frag_buf, |
1539 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); | |
f62b8bb8 AV |
1540 | |
1541 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); | |
1542 | ||
9908aa29 | 1543 | MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode); |
f62b8bb8 | 1544 | MLX5_SET(cqc, cqc, c_eqn, eqn); |
30aa60b3 | 1545 | MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index); |
1c1b5228 | 1546 | MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.frag_buf.page_shift - |
68cdf5d6 | 1547 | MLX5_ADAPTER_PAGE_SHIFT); |
f62b8bb8 AV |
1548 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
1549 | ||
1550 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); | |
1551 | ||
1552 | kvfree(in); | |
1553 | ||
1554 | if (err) | |
1555 | return err; | |
1556 | ||
1557 | mlx5e_cq_arm(cq); | |
1558 | ||
1559 | return 0; | |
1560 | } | |
1561 | ||
3b77235b | 1562 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) |
f62b8bb8 | 1563 | { |
a43b25da | 1564 | mlx5_core_destroy_cq(cq->mdev, &cq->mcq); |
f62b8bb8 AV |
1565 | } |
1566 | ||
1567 | static int mlx5e_open_cq(struct mlx5e_channel *c, | |
6a9764ef | 1568 | struct mlx5e_cq_moder moder, |
f62b8bb8 | 1569 | struct mlx5e_cq_param *param, |
6a9764ef | 1570 | struct mlx5e_cq *cq) |
f62b8bb8 | 1571 | { |
a43b25da | 1572 | struct mlx5_core_dev *mdev = c->mdev; |
f62b8bb8 | 1573 | int err; |
f62b8bb8 | 1574 | |
3b77235b | 1575 | err = mlx5e_alloc_cq(c, param, cq); |
f62b8bb8 AV |
1576 | if (err) |
1577 | return err; | |
1578 | ||
3b77235b | 1579 | err = mlx5e_create_cq(cq, param); |
f62b8bb8 | 1580 | if (err) |
3b77235b | 1581 | goto err_free_cq; |
f62b8bb8 | 1582 | |
7524a5d8 | 1583 | if (MLX5_CAP_GEN(mdev, cq_moderation)) |
6a9764ef | 1584 | mlx5_core_modify_cq_moderation(mdev, &cq->mcq, moder.usec, moder.pkts); |
f62b8bb8 AV |
1585 | return 0; |
1586 | ||
3b77235b SM |
1587 | err_free_cq: |
1588 | mlx5e_free_cq(cq); | |
f62b8bb8 AV |
1589 | |
1590 | return err; | |
1591 | } | |
1592 | ||
1593 | static void mlx5e_close_cq(struct mlx5e_cq *cq) | |
1594 | { | |
f62b8bb8 | 1595 | mlx5e_destroy_cq(cq); |
3b77235b | 1596 | mlx5e_free_cq(cq); |
f62b8bb8 AV |
1597 | } |
1598 | ||
1599 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) | |
1600 | { | |
1601 | return cpumask_first(priv->mdev->priv.irq_info[ix].mask); | |
1602 | } | |
1603 | ||
1604 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, | |
6a9764ef | 1605 | struct mlx5e_params *params, |
f62b8bb8 AV |
1606 | struct mlx5e_channel_param *cparam) |
1607 | { | |
f62b8bb8 AV |
1608 | int err; |
1609 | int tc; | |
1610 | ||
1611 | for (tc = 0; tc < c->num_tc; tc++) { | |
6a9764ef SM |
1612 | err = mlx5e_open_cq(c, params->tx_cq_moderation, |
1613 | &cparam->tx_cq, &c->sq[tc].cq); | |
f62b8bb8 AV |
1614 | if (err) |
1615 | goto err_close_tx_cqs; | |
f62b8bb8 AV |
1616 | } |
1617 | ||
1618 | return 0; | |
1619 | ||
1620 | err_close_tx_cqs: | |
1621 | for (tc--; tc >= 0; tc--) | |
1622 | mlx5e_close_cq(&c->sq[tc].cq); | |
1623 | ||
1624 | return err; | |
1625 | } | |
1626 | ||
1627 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) | |
1628 | { | |
1629 | int tc; | |
1630 | ||
1631 | for (tc = 0; tc < c->num_tc; tc++) | |
1632 | mlx5e_close_cq(&c->sq[tc].cq); | |
1633 | } | |
1634 | ||
1635 | static int mlx5e_open_sqs(struct mlx5e_channel *c, | |
6a9764ef | 1636 | struct mlx5e_params *params, |
f62b8bb8 AV |
1637 | struct mlx5e_channel_param *cparam) |
1638 | { | |
1639 | int err; | |
1640 | int tc; | |
1641 | ||
6a9764ef SM |
1642 | for (tc = 0; tc < params->num_tc; tc++) { |
1643 | int txq_ix = c->ix + tc * params->num_channels; | |
acc6c595 | 1644 | |
a43b25da SM |
1645 | err = mlx5e_open_txqsq(c, c->priv->tisn[tc], txq_ix, |
1646 | params, &cparam->sq, &c->sq[tc]); | |
f62b8bb8 AV |
1647 | if (err) |
1648 | goto err_close_sqs; | |
1649 | } | |
1650 | ||
1651 | return 0; | |
1652 | ||
1653 | err_close_sqs: | |
1654 | for (tc--; tc >= 0; tc--) | |
31391048 | 1655 | mlx5e_close_txqsq(&c->sq[tc]); |
f62b8bb8 AV |
1656 | |
1657 | return err; | |
1658 | } | |
1659 | ||
1660 | static void mlx5e_close_sqs(struct mlx5e_channel *c) | |
1661 | { | |
1662 | int tc; | |
1663 | ||
1664 | for (tc = 0; tc < c->num_tc; tc++) | |
31391048 | 1665 | mlx5e_close_txqsq(&c->sq[tc]); |
f62b8bb8 AV |
1666 | } |
1667 | ||
507f0c81 | 1668 | static int mlx5e_set_sq_maxrate(struct net_device *dev, |
31391048 | 1669 | struct mlx5e_txqsq *sq, u32 rate) |
507f0c81 YP |
1670 | { |
1671 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1672 | struct mlx5_core_dev *mdev = priv->mdev; | |
33ad9711 | 1673 | struct mlx5e_modify_sq_param msp = {0}; |
507f0c81 YP |
1674 | u16 rl_index = 0; |
1675 | int err; | |
1676 | ||
1677 | if (rate == sq->rate_limit) | |
1678 | /* nothing to do */ | |
1679 | return 0; | |
1680 | ||
1681 | if (sq->rate_limit) | |
1682 | /* remove current rl index to free space to next ones */ | |
1683 | mlx5_rl_remove_rate(mdev, sq->rate_limit); | |
1684 | ||
1685 | sq->rate_limit = 0; | |
1686 | ||
1687 | if (rate) { | |
1688 | err = mlx5_rl_add_rate(mdev, rate, &rl_index); | |
1689 | if (err) { | |
1690 | netdev_err(dev, "Failed configuring rate %u: %d\n", | |
1691 | rate, err); | |
1692 | return err; | |
1693 | } | |
1694 | } | |
1695 | ||
33ad9711 SM |
1696 | msp.curr_state = MLX5_SQC_STATE_RDY; |
1697 | msp.next_state = MLX5_SQC_STATE_RDY; | |
1698 | msp.rl_index = rl_index; | |
1699 | msp.rl_update = true; | |
a43b25da | 1700 | err = mlx5e_modify_sq(mdev, sq->sqn, &msp); |
507f0c81 YP |
1701 | if (err) { |
1702 | netdev_err(dev, "Failed configuring rate %u: %d\n", | |
1703 | rate, err); | |
1704 | /* remove the rate from the table */ | |
1705 | if (rate) | |
1706 | mlx5_rl_remove_rate(mdev, rate); | |
1707 | return err; | |
1708 | } | |
1709 | ||
1710 | sq->rate_limit = rate; | |
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | static int mlx5e_set_tx_maxrate(struct net_device *dev, int index, u32 rate) | |
1715 | { | |
1716 | struct mlx5e_priv *priv = netdev_priv(dev); | |
1717 | struct mlx5_core_dev *mdev = priv->mdev; | |
acc6c595 | 1718 | struct mlx5e_txqsq *sq = priv->txq2sq[index]; |
507f0c81 YP |
1719 | int err = 0; |
1720 | ||
1721 | if (!mlx5_rl_is_supported(mdev)) { | |
1722 | netdev_err(dev, "Rate limiting is not supported on this device\n"); | |
1723 | return -EINVAL; | |
1724 | } | |
1725 | ||
1726 | /* rate is given in Mb/sec, HW config is in Kb/sec */ | |
1727 | rate = rate << 10; | |
1728 | ||
1729 | /* Check whether rate in valid range, 0 is always valid */ | |
1730 | if (rate && !mlx5_rl_is_in_range(mdev, rate)) { | |
1731 | netdev_err(dev, "TX rate %u, is not in range\n", rate); | |
1732 | return -ERANGE; | |
1733 | } | |
1734 | ||
1735 | mutex_lock(&priv->state_lock); | |
1736 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
1737 | err = mlx5e_set_sq_maxrate(dev, sq, rate); | |
1738 | if (!err) | |
1739 | priv->tx_rates[index] = rate; | |
1740 | mutex_unlock(&priv->state_lock); | |
1741 | ||
1742 | return err; | |
1743 | } | |
1744 | ||
f62b8bb8 | 1745 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
6a9764ef | 1746 | struct mlx5e_params *params, |
f62b8bb8 AV |
1747 | struct mlx5e_channel_param *cparam, |
1748 | struct mlx5e_channel **cp) | |
1749 | { | |
6a9764ef | 1750 | struct mlx5e_cq_moder icocq_moder = {0, 0}; |
f62b8bb8 AV |
1751 | struct net_device *netdev = priv->netdev; |
1752 | int cpu = mlx5e_get_cpu(priv, ix); | |
1753 | struct mlx5e_channel *c; | |
1754 | int err; | |
1755 | ||
1756 | c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); | |
1757 | if (!c) | |
1758 | return -ENOMEM; | |
1759 | ||
1760 | c->priv = priv; | |
a43b25da SM |
1761 | c->mdev = priv->mdev; |
1762 | c->tstamp = &priv->tstamp; | |
f62b8bb8 AV |
1763 | c->ix = ix; |
1764 | c->cpu = cpu; | |
1765 | c->pdev = &priv->mdev->pdev->dev; | |
1766 | c->netdev = priv->netdev; | |
b50d292b | 1767 | c->mkey_be = cpu_to_be32(priv->mdev->mlx5e_res.mkey.key); |
6a9764ef SM |
1768 | c->num_tc = params->num_tc; |
1769 | c->xdp = !!params->xdp_prog; | |
cb3c7fd4 | 1770 | |
f62b8bb8 AV |
1771 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
1772 | ||
6a9764ef | 1773 | err = mlx5e_open_cq(c, icocq_moder, &cparam->icosq_cq, &c->icosq.cq); |
f62b8bb8 AV |
1774 | if (err) |
1775 | goto err_napi_del; | |
1776 | ||
6a9764ef | 1777 | err = mlx5e_open_tx_cqs(c, params, cparam); |
d3c9bc27 TT |
1778 | if (err) |
1779 | goto err_close_icosq_cq; | |
1780 | ||
6a9764ef | 1781 | err = mlx5e_open_cq(c, params->rx_cq_moderation, &cparam->rx_cq, &c->rq.cq); |
f62b8bb8 AV |
1782 | if (err) |
1783 | goto err_close_tx_cqs; | |
f62b8bb8 | 1784 | |
d7a0ecab | 1785 | /* XDP SQ CQ params are same as normal TXQ sq CQ params */ |
6a9764ef SM |
1786 | err = c->xdp ? mlx5e_open_cq(c, params->tx_cq_moderation, |
1787 | &cparam->tx_cq, &c->rq.xdpsq.cq) : 0; | |
d7a0ecab SM |
1788 | if (err) |
1789 | goto err_close_rx_cq; | |
1790 | ||
f62b8bb8 AV |
1791 | napi_enable(&c->napi); |
1792 | ||
6a9764ef | 1793 | err = mlx5e_open_icosq(c, params, &cparam->icosq, &c->icosq); |
f62b8bb8 AV |
1794 | if (err) |
1795 | goto err_disable_napi; | |
1796 | ||
6a9764ef | 1797 | err = mlx5e_open_sqs(c, params, cparam); |
d3c9bc27 TT |
1798 | if (err) |
1799 | goto err_close_icosq; | |
1800 | ||
6a9764ef | 1801 | err = c->xdp ? mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, &c->rq.xdpsq) : 0; |
d7a0ecab SM |
1802 | if (err) |
1803 | goto err_close_sqs; | |
b5503b99 | 1804 | |
6a9764ef | 1805 | err = mlx5e_open_rq(c, params, &cparam->rq, &c->rq); |
f62b8bb8 | 1806 | if (err) |
b5503b99 | 1807 | goto err_close_xdp_sq; |
f62b8bb8 | 1808 | |
f62b8bb8 AV |
1809 | *cp = c; |
1810 | ||
1811 | return 0; | |
b5503b99 | 1812 | err_close_xdp_sq: |
d7a0ecab | 1813 | if (c->xdp) |
31391048 | 1814 | mlx5e_close_xdpsq(&c->rq.xdpsq); |
f62b8bb8 AV |
1815 | |
1816 | err_close_sqs: | |
1817 | mlx5e_close_sqs(c); | |
1818 | ||
d3c9bc27 | 1819 | err_close_icosq: |
31391048 | 1820 | mlx5e_close_icosq(&c->icosq); |
d3c9bc27 | 1821 | |
f62b8bb8 AV |
1822 | err_disable_napi: |
1823 | napi_disable(&c->napi); | |
d7a0ecab | 1824 | if (c->xdp) |
31871f87 | 1825 | mlx5e_close_cq(&c->rq.xdpsq.cq); |
d7a0ecab SM |
1826 | |
1827 | err_close_rx_cq: | |
f62b8bb8 AV |
1828 | mlx5e_close_cq(&c->rq.cq); |
1829 | ||
1830 | err_close_tx_cqs: | |
1831 | mlx5e_close_tx_cqs(c); | |
1832 | ||
d3c9bc27 TT |
1833 | err_close_icosq_cq: |
1834 | mlx5e_close_cq(&c->icosq.cq); | |
1835 | ||
f62b8bb8 AV |
1836 | err_napi_del: |
1837 | netif_napi_del(&c->napi); | |
1838 | kfree(c); | |
1839 | ||
1840 | return err; | |
1841 | } | |
1842 | ||
acc6c595 SM |
1843 | static void mlx5e_activate_channel(struct mlx5e_channel *c) |
1844 | { | |
1845 | int tc; | |
1846 | ||
1847 | for (tc = 0; tc < c->num_tc; tc++) | |
1848 | mlx5e_activate_txqsq(&c->sq[tc]); | |
1849 | mlx5e_activate_rq(&c->rq); | |
a43b25da | 1850 | netif_set_xps_queue(c->netdev, get_cpu_mask(c->cpu), c->ix); |
acc6c595 SM |
1851 | } |
1852 | ||
1853 | static void mlx5e_deactivate_channel(struct mlx5e_channel *c) | |
1854 | { | |
1855 | int tc; | |
1856 | ||
1857 | mlx5e_deactivate_rq(&c->rq); | |
1858 | for (tc = 0; tc < c->num_tc; tc++) | |
1859 | mlx5e_deactivate_txqsq(&c->sq[tc]); | |
1860 | } | |
1861 | ||
f62b8bb8 AV |
1862 | static void mlx5e_close_channel(struct mlx5e_channel *c) |
1863 | { | |
1864 | mlx5e_close_rq(&c->rq); | |
b5503b99 | 1865 | if (c->xdp) |
31391048 | 1866 | mlx5e_close_xdpsq(&c->rq.xdpsq); |
f62b8bb8 | 1867 | mlx5e_close_sqs(c); |
31391048 | 1868 | mlx5e_close_icosq(&c->icosq); |
f62b8bb8 | 1869 | napi_disable(&c->napi); |
b5503b99 | 1870 | if (c->xdp) |
31871f87 | 1871 | mlx5e_close_cq(&c->rq.xdpsq.cq); |
f62b8bb8 AV |
1872 | mlx5e_close_cq(&c->rq.cq); |
1873 | mlx5e_close_tx_cqs(c); | |
d3c9bc27 | 1874 | mlx5e_close_cq(&c->icosq.cq); |
f62b8bb8 | 1875 | netif_napi_del(&c->napi); |
7ae92ae5 | 1876 | |
f62b8bb8 AV |
1877 | kfree(c); |
1878 | } | |
1879 | ||
1880 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, | |
6a9764ef | 1881 | struct mlx5e_params *params, |
f62b8bb8 AV |
1882 | struct mlx5e_rq_param *param) |
1883 | { | |
1884 | void *rqc = param->rqc; | |
1885 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1886 | ||
6a9764ef | 1887 | switch (params->rq_wq_type) { |
461017cb | 1888 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
6a9764ef SM |
1889 | MLX5_SET(wq, wq, log_wqe_num_of_strides, params->mpwqe_log_num_strides - 9); |
1890 | MLX5_SET(wq, wq, log_wqe_stride_size, params->mpwqe_log_stride_sz - 6); | |
461017cb TT |
1891 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); |
1892 | break; | |
1893 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
1894 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); | |
1895 | } | |
1896 | ||
f62b8bb8 AV |
1897 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); |
1898 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); | |
6a9764ef | 1899 | MLX5_SET(wq, wq, log_wq_sz, params->log_rq_size); |
b50d292b | 1900 | MLX5_SET(wq, wq, pd, priv->mdev->mlx5e_res.pdn); |
593cf338 | 1901 | MLX5_SET(rqc, rqc, counter_set_id, priv->q_counter); |
6a9764ef | 1902 | MLX5_SET(rqc, rqc, vsd, params->vlan_strip_disable); |
102722fc | 1903 | MLX5_SET(rqc, rqc, scatter_fcs, params->scatter_fcs_en); |
f62b8bb8 | 1904 | |
311c7c71 | 1905 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
f62b8bb8 AV |
1906 | param->wq.linear = 1; |
1907 | } | |
1908 | ||
556dd1b9 TT |
1909 | static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param) |
1910 | { | |
1911 | void *rqc = param->rqc; | |
1912 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
1913 | ||
1914 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); | |
1915 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); | |
1916 | } | |
1917 | ||
d3c9bc27 TT |
1918 | static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, |
1919 | struct mlx5e_sq_param *param) | |
f62b8bb8 AV |
1920 | { |
1921 | void *sqc = param->sqc; | |
1922 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1923 | ||
f62b8bb8 | 1924 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); |
b50d292b | 1925 | MLX5_SET(wq, wq, pd, priv->mdev->mlx5e_res.pdn); |
f62b8bb8 | 1926 | |
311c7c71 | 1927 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
d3c9bc27 TT |
1928 | } |
1929 | ||
1930 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, | |
6a9764ef | 1931 | struct mlx5e_params *params, |
d3c9bc27 TT |
1932 | struct mlx5e_sq_param *param) |
1933 | { | |
1934 | void *sqc = param->sqc; | |
1935 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1936 | ||
1937 | mlx5e_build_sq_param_common(priv, param); | |
6a9764ef | 1938 | MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size); |
2ac9cfe7 | 1939 | MLX5_SET(sqc, sqc, allow_swp, !!MLX5_IPSEC_DEV(priv->mdev)); |
f62b8bb8 AV |
1940 | } |
1941 | ||
1942 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, | |
1943 | struct mlx5e_cq_param *param) | |
1944 | { | |
1945 | void *cqc = param->cqc; | |
1946 | ||
30aa60b3 | 1947 | MLX5_SET(cqc, cqc, uar_page, priv->mdev->priv.uar->index); |
f62b8bb8 AV |
1948 | } |
1949 | ||
1950 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, | |
6a9764ef | 1951 | struct mlx5e_params *params, |
f62b8bb8 AV |
1952 | struct mlx5e_cq_param *param) |
1953 | { | |
1954 | void *cqc = param->cqc; | |
461017cb | 1955 | u8 log_cq_size; |
f62b8bb8 | 1956 | |
6a9764ef | 1957 | switch (params->rq_wq_type) { |
461017cb | 1958 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
6a9764ef | 1959 | log_cq_size = params->log_rq_size + params->mpwqe_log_num_strides; |
461017cb TT |
1960 | break; |
1961 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ | |
6a9764ef | 1962 | log_cq_size = params->log_rq_size; |
461017cb TT |
1963 | } |
1964 | ||
1965 | MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); | |
6a9764ef | 1966 | if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) { |
7219ab34 TT |
1967 | MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); |
1968 | MLX5_SET(cqc, cqc, cqe_comp_en, 1); | |
1969 | } | |
f62b8bb8 AV |
1970 | |
1971 | mlx5e_build_common_cq_param(priv, param); | |
1972 | } | |
1973 | ||
1974 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, | |
6a9764ef | 1975 | struct mlx5e_params *params, |
f62b8bb8 AV |
1976 | struct mlx5e_cq_param *param) |
1977 | { | |
1978 | void *cqc = param->cqc; | |
1979 | ||
6a9764ef | 1980 | MLX5_SET(cqc, cqc, log_cq_size, params->log_sq_size); |
f62b8bb8 AV |
1981 | |
1982 | mlx5e_build_common_cq_param(priv, param); | |
9908aa29 TT |
1983 | |
1984 | param->cq_period_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; | |
f62b8bb8 AV |
1985 | } |
1986 | ||
d3c9bc27 | 1987 | static void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv, |
6a9764ef SM |
1988 | u8 log_wq_size, |
1989 | struct mlx5e_cq_param *param) | |
d3c9bc27 TT |
1990 | { |
1991 | void *cqc = param->cqc; | |
1992 | ||
1993 | MLX5_SET(cqc, cqc, log_cq_size, log_wq_size); | |
1994 | ||
1995 | mlx5e_build_common_cq_param(priv, param); | |
9908aa29 TT |
1996 | |
1997 | param->cq_period_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; | |
d3c9bc27 TT |
1998 | } |
1999 | ||
2000 | static void mlx5e_build_icosq_param(struct mlx5e_priv *priv, | |
6a9764ef SM |
2001 | u8 log_wq_size, |
2002 | struct mlx5e_sq_param *param) | |
d3c9bc27 TT |
2003 | { |
2004 | void *sqc = param->sqc; | |
2005 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2006 | ||
2007 | mlx5e_build_sq_param_common(priv, param); | |
2008 | ||
2009 | MLX5_SET(wq, wq, log_wq_sz, log_wq_size); | |
bc77b240 | 2010 | MLX5_SET(sqc, sqc, reg_umr, MLX5_CAP_ETH(priv->mdev, reg_umr_sq)); |
d3c9bc27 TT |
2011 | } |
2012 | ||
b5503b99 | 2013 | static void mlx5e_build_xdpsq_param(struct mlx5e_priv *priv, |
6a9764ef | 2014 | struct mlx5e_params *params, |
b5503b99 SM |
2015 | struct mlx5e_sq_param *param) |
2016 | { | |
2017 | void *sqc = param->sqc; | |
2018 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
2019 | ||
2020 | mlx5e_build_sq_param_common(priv, param); | |
6a9764ef | 2021 | MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size); |
b5503b99 SM |
2022 | } |
2023 | ||
6a9764ef SM |
2024 | static void mlx5e_build_channel_param(struct mlx5e_priv *priv, |
2025 | struct mlx5e_params *params, | |
2026 | struct mlx5e_channel_param *cparam) | |
f62b8bb8 | 2027 | { |
bc77b240 | 2028 | u8 icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE; |
d3c9bc27 | 2029 | |
6a9764ef SM |
2030 | mlx5e_build_rq_param(priv, params, &cparam->rq); |
2031 | mlx5e_build_sq_param(priv, params, &cparam->sq); | |
2032 | mlx5e_build_xdpsq_param(priv, params, &cparam->xdp_sq); | |
2033 | mlx5e_build_icosq_param(priv, icosq_log_wq_sz, &cparam->icosq); | |
2034 | mlx5e_build_rx_cq_param(priv, params, &cparam->rx_cq); | |
2035 | mlx5e_build_tx_cq_param(priv, params, &cparam->tx_cq); | |
2036 | mlx5e_build_ico_cq_param(priv, icosq_log_wq_sz, &cparam->icosq_cq); | |
f62b8bb8 AV |
2037 | } |
2038 | ||
55c2503d SM |
2039 | int mlx5e_open_channels(struct mlx5e_priv *priv, |
2040 | struct mlx5e_channels *chs) | |
f62b8bb8 | 2041 | { |
6b87663f | 2042 | struct mlx5e_channel_param *cparam; |
03289b88 | 2043 | int err = -ENOMEM; |
f62b8bb8 | 2044 | int i; |
f62b8bb8 | 2045 | |
6a9764ef | 2046 | chs->num = chs->params.num_channels; |
03289b88 | 2047 | |
ff9c852f | 2048 | chs->c = kcalloc(chs->num, sizeof(struct mlx5e_channel *), GFP_KERNEL); |
6b87663f | 2049 | cparam = kzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL); |
acc6c595 SM |
2050 | if (!chs->c || !cparam) |
2051 | goto err_free; | |
f62b8bb8 | 2052 | |
6a9764ef | 2053 | mlx5e_build_channel_param(priv, &chs->params, cparam); |
ff9c852f | 2054 | for (i = 0; i < chs->num; i++) { |
6a9764ef | 2055 | err = mlx5e_open_channel(priv, i, &chs->params, cparam, &chs->c[i]); |
f62b8bb8 AV |
2056 | if (err) |
2057 | goto err_close_channels; | |
2058 | } | |
2059 | ||
6b87663f | 2060 | kfree(cparam); |
f62b8bb8 AV |
2061 | return 0; |
2062 | ||
2063 | err_close_channels: | |
2064 | for (i--; i >= 0; i--) | |
ff9c852f | 2065 | mlx5e_close_channel(chs->c[i]); |
f62b8bb8 | 2066 | |
acc6c595 | 2067 | err_free: |
ff9c852f | 2068 | kfree(chs->c); |
6b87663f | 2069 | kfree(cparam); |
ff9c852f | 2070 | chs->num = 0; |
f62b8bb8 AV |
2071 | return err; |
2072 | } | |
2073 | ||
acc6c595 | 2074 | static void mlx5e_activate_channels(struct mlx5e_channels *chs) |
f62b8bb8 AV |
2075 | { |
2076 | int i; | |
2077 | ||
acc6c595 SM |
2078 | for (i = 0; i < chs->num; i++) |
2079 | mlx5e_activate_channel(chs->c[i]); | |
2080 | } | |
2081 | ||
2082 | static int mlx5e_wait_channels_min_rx_wqes(struct mlx5e_channels *chs) | |
2083 | { | |
2084 | int err = 0; | |
2085 | int i; | |
2086 | ||
2087 | for (i = 0; i < chs->num; i++) { | |
2088 | err = mlx5e_wait_for_min_rx_wqes(&chs->c[i]->rq); | |
2089 | if (err) | |
2090 | break; | |
2091 | } | |
2092 | ||
2093 | return err; | |
2094 | } | |
2095 | ||
2096 | static void mlx5e_deactivate_channels(struct mlx5e_channels *chs) | |
2097 | { | |
2098 | int i; | |
2099 | ||
2100 | for (i = 0; i < chs->num; i++) | |
2101 | mlx5e_deactivate_channel(chs->c[i]); | |
2102 | } | |
2103 | ||
55c2503d | 2104 | void mlx5e_close_channels(struct mlx5e_channels *chs) |
acc6c595 SM |
2105 | { |
2106 | int i; | |
c3b7c5c9 | 2107 | |
ff9c852f SM |
2108 | for (i = 0; i < chs->num; i++) |
2109 | mlx5e_close_channel(chs->c[i]); | |
f62b8bb8 | 2110 | |
ff9c852f SM |
2111 | kfree(chs->c); |
2112 | chs->num = 0; | |
f62b8bb8 AV |
2113 | } |
2114 | ||
a5f97fee SM |
2115 | static int |
2116 | mlx5e_create_rqt(struct mlx5e_priv *priv, int sz, struct mlx5e_rqt *rqt) | |
f62b8bb8 AV |
2117 | { |
2118 | struct mlx5_core_dev *mdev = priv->mdev; | |
f62b8bb8 AV |
2119 | void *rqtc; |
2120 | int inlen; | |
2121 | int err; | |
1da36696 | 2122 | u32 *in; |
a5f97fee | 2123 | int i; |
f62b8bb8 | 2124 | |
f62b8bb8 | 2125 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
1b9a07ee | 2126 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
2127 | if (!in) |
2128 | return -ENOMEM; | |
2129 | ||
2130 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
2131 | ||
2132 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
2133 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
2134 | ||
a5f97fee SM |
2135 | for (i = 0; i < sz; i++) |
2136 | MLX5_SET(rqtc, rqtc, rq_num[i], priv->drop_rq.rqn); | |
2be6967c | 2137 | |
398f3351 HHZ |
2138 | err = mlx5_core_create_rqt(mdev, in, inlen, &rqt->rqtn); |
2139 | if (!err) | |
2140 | rqt->enabled = true; | |
f62b8bb8 AV |
2141 | |
2142 | kvfree(in); | |
1da36696 TT |
2143 | return err; |
2144 | } | |
2145 | ||
cb67b832 | 2146 | void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt) |
1da36696 | 2147 | { |
398f3351 HHZ |
2148 | rqt->enabled = false; |
2149 | mlx5_core_destroy_rqt(priv->mdev, rqt->rqtn); | |
1da36696 TT |
2150 | } |
2151 | ||
8f493ffd | 2152 | int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv) |
6bfd390b HHZ |
2153 | { |
2154 | struct mlx5e_rqt *rqt = &priv->indir_rqt; | |
8f493ffd | 2155 | int err; |
6bfd390b | 2156 | |
8f493ffd SM |
2157 | err = mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, rqt); |
2158 | if (err) | |
2159 | mlx5_core_warn(priv->mdev, "create indirect rqts failed, %d\n", err); | |
2160 | return err; | |
6bfd390b HHZ |
2161 | } |
2162 | ||
cb67b832 | 2163 | int mlx5e_create_direct_rqts(struct mlx5e_priv *priv) |
1da36696 | 2164 | { |
398f3351 | 2165 | struct mlx5e_rqt *rqt; |
1da36696 TT |
2166 | int err; |
2167 | int ix; | |
2168 | ||
6bfd390b | 2169 | for (ix = 0; ix < priv->profile->max_nch(priv->mdev); ix++) { |
398f3351 | 2170 | rqt = &priv->direct_tir[ix].rqt; |
a5f97fee | 2171 | err = mlx5e_create_rqt(priv, 1 /*size */, rqt); |
1da36696 TT |
2172 | if (err) |
2173 | goto err_destroy_rqts; | |
2174 | } | |
2175 | ||
2176 | return 0; | |
2177 | ||
2178 | err_destroy_rqts: | |
8f493ffd | 2179 | mlx5_core_warn(priv->mdev, "create direct rqts failed, %d\n", err); |
1da36696 | 2180 | for (ix--; ix >= 0; ix--) |
398f3351 | 2181 | mlx5e_destroy_rqt(priv, &priv->direct_tir[ix].rqt); |
1da36696 | 2182 | |
f62b8bb8 AV |
2183 | return err; |
2184 | } | |
2185 | ||
8f493ffd SM |
2186 | void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv) |
2187 | { | |
2188 | int i; | |
2189 | ||
2190 | for (i = 0; i < priv->profile->max_nch(priv->mdev); i++) | |
2191 | mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); | |
2192 | } | |
2193 | ||
a5f97fee SM |
2194 | static int mlx5e_rx_hash_fn(int hfunc) |
2195 | { | |
2196 | return (hfunc == ETH_RSS_HASH_TOP) ? | |
2197 | MLX5_RX_HASH_FN_TOEPLITZ : | |
2198 | MLX5_RX_HASH_FN_INVERTED_XOR8; | |
2199 | } | |
2200 | ||
2201 | static int mlx5e_bits_invert(unsigned long a, int size) | |
2202 | { | |
2203 | int inv = 0; | |
2204 | int i; | |
2205 | ||
2206 | for (i = 0; i < size; i++) | |
2207 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; | |
2208 | ||
2209 | return inv; | |
2210 | } | |
2211 | ||
2212 | static void mlx5e_fill_rqt_rqns(struct mlx5e_priv *priv, int sz, | |
2213 | struct mlx5e_redirect_rqt_param rrp, void *rqtc) | |
2214 | { | |
2215 | int i; | |
2216 | ||
2217 | for (i = 0; i < sz; i++) { | |
2218 | u32 rqn; | |
2219 | ||
2220 | if (rrp.is_rss) { | |
2221 | int ix = i; | |
2222 | ||
2223 | if (rrp.rss.hfunc == ETH_RSS_HASH_XOR) | |
2224 | ix = mlx5e_bits_invert(i, ilog2(sz)); | |
2225 | ||
6a9764ef | 2226 | ix = priv->channels.params.indirection_rqt[ix]; |
a5f97fee SM |
2227 | rqn = rrp.rss.channels->c[ix]->rq.rqn; |
2228 | } else { | |
2229 | rqn = rrp.rqn; | |
2230 | } | |
2231 | MLX5_SET(rqtc, rqtc, rq_num[i], rqn); | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, | |
2236 | struct mlx5e_redirect_rqt_param rrp) | |
5c50368f AS |
2237 | { |
2238 | struct mlx5_core_dev *mdev = priv->mdev; | |
5c50368f AS |
2239 | void *rqtc; |
2240 | int inlen; | |
1da36696 | 2241 | u32 *in; |
5c50368f AS |
2242 | int err; |
2243 | ||
5c50368f | 2244 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; |
1b9a07ee | 2245 | in = kvzalloc(inlen, GFP_KERNEL); |
5c50368f AS |
2246 | if (!in) |
2247 | return -ENOMEM; | |
2248 | ||
2249 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); | |
2250 | ||
2251 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
5c50368f | 2252 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); |
a5f97fee | 2253 | mlx5e_fill_rqt_rqns(priv, sz, rrp, rqtc); |
1da36696 | 2254 | err = mlx5_core_modify_rqt(mdev, rqtn, in, inlen); |
5c50368f AS |
2255 | |
2256 | kvfree(in); | |
5c50368f AS |
2257 | return err; |
2258 | } | |
2259 | ||
a5f97fee SM |
2260 | static u32 mlx5e_get_direct_rqn(struct mlx5e_priv *priv, int ix, |
2261 | struct mlx5e_redirect_rqt_param rrp) | |
2262 | { | |
2263 | if (!rrp.is_rss) | |
2264 | return rrp.rqn; | |
2265 | ||
2266 | if (ix >= rrp.rss.channels->num) | |
2267 | return priv->drop_rq.rqn; | |
2268 | ||
2269 | return rrp.rss.channels->c[ix]->rq.rqn; | |
2270 | } | |
2271 | ||
2272 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv, | |
2273 | struct mlx5e_redirect_rqt_param rrp) | |
40ab6a6e | 2274 | { |
1da36696 TT |
2275 | u32 rqtn; |
2276 | int ix; | |
2277 | ||
398f3351 | 2278 | if (priv->indir_rqt.enabled) { |
a5f97fee | 2279 | /* RSS RQ table */ |
398f3351 | 2280 | rqtn = priv->indir_rqt.rqtn; |
a5f97fee | 2281 | mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp); |
398f3351 HHZ |
2282 | } |
2283 | ||
a5f97fee SM |
2284 | for (ix = 0; ix < priv->profile->max_nch(priv->mdev); ix++) { |
2285 | struct mlx5e_redirect_rqt_param direct_rrp = { | |
2286 | .is_rss = false, | |
95632791 AM |
2287 | { |
2288 | .rqn = mlx5e_get_direct_rqn(priv, ix, rrp) | |
2289 | }, | |
a5f97fee SM |
2290 | }; |
2291 | ||
2292 | /* Direct RQ Tables */ | |
398f3351 HHZ |
2293 | if (!priv->direct_tir[ix].rqt.enabled) |
2294 | continue; | |
a5f97fee | 2295 | |
398f3351 | 2296 | rqtn = priv->direct_tir[ix].rqt.rqtn; |
a5f97fee | 2297 | mlx5e_redirect_rqt(priv, rqtn, 1, direct_rrp); |
1da36696 | 2298 | } |
40ab6a6e AS |
2299 | } |
2300 | ||
a5f97fee SM |
2301 | static void mlx5e_redirect_rqts_to_channels(struct mlx5e_priv *priv, |
2302 | struct mlx5e_channels *chs) | |
2303 | { | |
2304 | struct mlx5e_redirect_rqt_param rrp = { | |
2305 | .is_rss = true, | |
95632791 AM |
2306 | { |
2307 | .rss = { | |
2308 | .channels = chs, | |
2309 | .hfunc = chs->params.rss_hfunc, | |
2310 | } | |
2311 | }, | |
a5f97fee SM |
2312 | }; |
2313 | ||
2314 | mlx5e_redirect_rqts(priv, rrp); | |
2315 | } | |
2316 | ||
2317 | static void mlx5e_redirect_rqts_to_drop(struct mlx5e_priv *priv) | |
2318 | { | |
2319 | struct mlx5e_redirect_rqt_param drop_rrp = { | |
2320 | .is_rss = false, | |
95632791 AM |
2321 | { |
2322 | .rqn = priv->drop_rq.rqn, | |
2323 | }, | |
a5f97fee SM |
2324 | }; |
2325 | ||
2326 | mlx5e_redirect_rqts(priv, drop_rrp); | |
2327 | } | |
2328 | ||
6a9764ef | 2329 | static void mlx5e_build_tir_ctx_lro(struct mlx5e_params *params, void *tirc) |
5c50368f | 2330 | { |
6a9764ef | 2331 | if (!params->lro_en) |
5c50368f AS |
2332 | return; |
2333 | ||
2334 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 | |
2335 | ||
2336 | MLX5_SET(tirc, tirc, lro_enable_mask, | |
2337 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | | |
2338 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); | |
2339 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, | |
6a9764ef SM |
2340 | (params->lro_wqe_sz - ROUGH_MAX_L2_L3_HDR_SZ) >> 8); |
2341 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, params->lro_timeout); | |
5c50368f AS |
2342 | } |
2343 | ||
6a9764ef SM |
2344 | void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params, |
2345 | enum mlx5e_traffic_types tt, | |
2346 | void *tirc) | |
bdfc028d | 2347 | { |
a100ff3e GP |
2348 | void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); |
2349 | ||
2350 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2351 | MLX5_HASH_FIELD_SEL_DST_IP) | |
2352 | ||
2353 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2354 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
2355 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ | |
2356 | MLX5_HASH_FIELD_SEL_L4_DPORT) | |
2357 | ||
2358 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ | |
2359 | MLX5_HASH_FIELD_SEL_DST_IP |\ | |
2360 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) | |
2361 | ||
6a9764ef SM |
2362 | MLX5_SET(tirc, tirc, rx_hash_fn, mlx5e_rx_hash_fn(params->rss_hfunc)); |
2363 | if (params->rss_hfunc == ETH_RSS_HASH_TOP) { | |
bdfc028d TT |
2364 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, |
2365 | rx_hash_toeplitz_key); | |
2366 | size_t len = MLX5_FLD_SZ_BYTES(tirc, | |
2367 | rx_hash_toeplitz_key); | |
2368 | ||
2369 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
6a9764ef | 2370 | memcpy(rss_key, params->toeplitz_hash_key, len); |
bdfc028d | 2371 | } |
a100ff3e GP |
2372 | |
2373 | switch (tt) { | |
2374 | case MLX5E_TT_IPV4_TCP: | |
2375 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2376 | MLX5_L3_PROT_TYPE_IPV4); | |
2377 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2378 | MLX5_L4_PROT_TYPE_TCP); | |
2379 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2380 | MLX5_HASH_IP_L4PORTS); | |
2381 | break; | |
2382 | ||
2383 | case MLX5E_TT_IPV6_TCP: | |
2384 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2385 | MLX5_L3_PROT_TYPE_IPV6); | |
2386 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2387 | MLX5_L4_PROT_TYPE_TCP); | |
2388 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2389 | MLX5_HASH_IP_L4PORTS); | |
2390 | break; | |
2391 | ||
2392 | case MLX5E_TT_IPV4_UDP: | |
2393 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2394 | MLX5_L3_PROT_TYPE_IPV4); | |
2395 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2396 | MLX5_L4_PROT_TYPE_UDP); | |
2397 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2398 | MLX5_HASH_IP_L4PORTS); | |
2399 | break; | |
2400 | ||
2401 | case MLX5E_TT_IPV6_UDP: | |
2402 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2403 | MLX5_L3_PROT_TYPE_IPV6); | |
2404 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
2405 | MLX5_L4_PROT_TYPE_UDP); | |
2406 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2407 | MLX5_HASH_IP_L4PORTS); | |
2408 | break; | |
2409 | ||
2410 | case MLX5E_TT_IPV4_IPSEC_AH: | |
2411 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2412 | MLX5_L3_PROT_TYPE_IPV4); | |
2413 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2414 | MLX5_HASH_IP_IPSEC_SPI); | |
2415 | break; | |
2416 | ||
2417 | case MLX5E_TT_IPV6_IPSEC_AH: | |
2418 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2419 | MLX5_L3_PROT_TYPE_IPV6); | |
2420 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2421 | MLX5_HASH_IP_IPSEC_SPI); | |
2422 | break; | |
2423 | ||
2424 | case MLX5E_TT_IPV4_IPSEC_ESP: | |
2425 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2426 | MLX5_L3_PROT_TYPE_IPV4); | |
2427 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2428 | MLX5_HASH_IP_IPSEC_SPI); | |
2429 | break; | |
2430 | ||
2431 | case MLX5E_TT_IPV6_IPSEC_ESP: | |
2432 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2433 | MLX5_L3_PROT_TYPE_IPV6); | |
2434 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2435 | MLX5_HASH_IP_IPSEC_SPI); | |
2436 | break; | |
2437 | ||
2438 | case MLX5E_TT_IPV4: | |
2439 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2440 | MLX5_L3_PROT_TYPE_IPV4); | |
2441 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2442 | MLX5_HASH_IP); | |
2443 | break; | |
2444 | ||
2445 | case MLX5E_TT_IPV6: | |
2446 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
2447 | MLX5_L3_PROT_TYPE_IPV6); | |
2448 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, | |
2449 | MLX5_HASH_IP); | |
2450 | break; | |
2451 | default: | |
2452 | WARN_ONCE(true, "%s: bad traffic type!\n", __func__); | |
2453 | } | |
bdfc028d TT |
2454 | } |
2455 | ||
ab0394fe | 2456 | static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) |
5c50368f AS |
2457 | { |
2458 | struct mlx5_core_dev *mdev = priv->mdev; | |
2459 | ||
2460 | void *in; | |
2461 | void *tirc; | |
2462 | int inlen; | |
2463 | int err; | |
ab0394fe | 2464 | int tt; |
1da36696 | 2465 | int ix; |
5c50368f AS |
2466 | |
2467 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
1b9a07ee | 2468 | in = kvzalloc(inlen, GFP_KERNEL); |
5c50368f AS |
2469 | if (!in) |
2470 | return -ENOMEM; | |
2471 | ||
2472 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); | |
2473 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); | |
2474 | ||
6a9764ef | 2475 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
5c50368f | 2476 | |
1da36696 | 2477 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
724b2aa1 | 2478 | err = mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, |
1da36696 | 2479 | inlen); |
ab0394fe | 2480 | if (err) |
1da36696 | 2481 | goto free_in; |
ab0394fe | 2482 | } |
5c50368f | 2483 | |
6bfd390b | 2484 | for (ix = 0; ix < priv->profile->max_nch(priv->mdev); ix++) { |
1da36696 TT |
2485 | err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, |
2486 | in, inlen); | |
2487 | if (err) | |
2488 | goto free_in; | |
2489 | } | |
2490 | ||
2491 | free_in: | |
5c50368f AS |
2492 | kvfree(in); |
2493 | ||
2494 | return err; | |
2495 | } | |
2496 | ||
cd255eff | 2497 | static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) |
40ab6a6e | 2498 | { |
40ab6a6e | 2499 | struct mlx5_core_dev *mdev = priv->mdev; |
c139dbfd | 2500 | u16 hw_mtu = MLX5E_SW2HW_MTU(priv, mtu); |
40ab6a6e AS |
2501 | int err; |
2502 | ||
cd255eff | 2503 | err = mlx5_set_port_mtu(mdev, hw_mtu, 1); |
40ab6a6e AS |
2504 | if (err) |
2505 | return err; | |
2506 | ||
cd255eff SM |
2507 | /* Update vport context MTU */ |
2508 | mlx5_modify_nic_vport_mtu(mdev, hw_mtu); | |
2509 | return 0; | |
2510 | } | |
40ab6a6e | 2511 | |
cd255eff SM |
2512 | static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) |
2513 | { | |
2514 | struct mlx5_core_dev *mdev = priv->mdev; | |
2515 | u16 hw_mtu = 0; | |
2516 | int err; | |
40ab6a6e | 2517 | |
cd255eff SM |
2518 | err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); |
2519 | if (err || !hw_mtu) /* fallback to port oper mtu */ | |
2520 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); | |
2521 | ||
c139dbfd | 2522 | *mtu = MLX5E_HW2SW_MTU(priv, hw_mtu); |
cd255eff SM |
2523 | } |
2524 | ||
2e20a151 | 2525 | static int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv) |
cd255eff | 2526 | { |
2e20a151 | 2527 | struct net_device *netdev = priv->netdev; |
cd255eff SM |
2528 | u16 mtu; |
2529 | int err; | |
2530 | ||
2531 | err = mlx5e_set_mtu(priv, netdev->mtu); | |
2532 | if (err) | |
2533 | return err; | |
40ab6a6e | 2534 | |
cd255eff SM |
2535 | mlx5e_query_mtu(priv, &mtu); |
2536 | if (mtu != netdev->mtu) | |
2537 | netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", | |
2538 | __func__, mtu, netdev->mtu); | |
40ab6a6e | 2539 | |
cd255eff | 2540 | netdev->mtu = mtu; |
40ab6a6e AS |
2541 | return 0; |
2542 | } | |
2543 | ||
08fb1dac SM |
2544 | static void mlx5e_netdev_set_tcs(struct net_device *netdev) |
2545 | { | |
2546 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
6a9764ef SM |
2547 | int nch = priv->channels.params.num_channels; |
2548 | int ntc = priv->channels.params.num_tc; | |
08fb1dac SM |
2549 | int tc; |
2550 | ||
2551 | netdev_reset_tc(netdev); | |
2552 | ||
2553 | if (ntc == 1) | |
2554 | return; | |
2555 | ||
2556 | netdev_set_num_tc(netdev, ntc); | |
2557 | ||
7ccdd084 RS |
2558 | /* Map netdev TCs to offset 0 |
2559 | * We have our own UP to TXQ mapping for QoS | |
2560 | */ | |
08fb1dac | 2561 | for (tc = 0; tc < ntc; tc++) |
7ccdd084 | 2562 | netdev_set_tc_queue(netdev, tc, nch, 0); |
08fb1dac SM |
2563 | } |
2564 | ||
acc6c595 SM |
2565 | static void mlx5e_build_channels_tx_maps(struct mlx5e_priv *priv) |
2566 | { | |
2567 | struct mlx5e_channel *c; | |
2568 | struct mlx5e_txqsq *sq; | |
2569 | int i, tc; | |
2570 | ||
2571 | for (i = 0; i < priv->channels.num; i++) | |
2572 | for (tc = 0; tc < priv->profile->max_tc; tc++) | |
2573 | priv->channel_tc2txq[i][tc] = i + tc * priv->channels.num; | |
2574 | ||
2575 | for (i = 0; i < priv->channels.num; i++) { | |
2576 | c = priv->channels.c[i]; | |
2577 | for (tc = 0; tc < c->num_tc; tc++) { | |
2578 | sq = &c->sq[tc]; | |
2579 | priv->txq2sq[sq->txq_ix] = sq; | |
2580 | } | |
2581 | } | |
2582 | } | |
2583 | ||
955bc480 SM |
2584 | static bool mlx5e_is_eswitch_vport_mngr(struct mlx5_core_dev *mdev) |
2585 | { | |
2586 | return (MLX5_CAP_GEN(mdev, vport_group_manager) && | |
2587 | MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH); | |
2588 | } | |
2589 | ||
603f4a45 | 2590 | void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) |
acc6c595 | 2591 | { |
9008ae07 SM |
2592 | int num_txqs = priv->channels.num * priv->channels.params.num_tc; |
2593 | struct net_device *netdev = priv->netdev; | |
2594 | ||
2595 | mlx5e_netdev_set_tcs(netdev); | |
053ee0a7 TR |
2596 | netif_set_real_num_tx_queues(netdev, num_txqs); |
2597 | netif_set_real_num_rx_queues(netdev, priv->channels.num); | |
9008ae07 | 2598 | |
acc6c595 SM |
2599 | mlx5e_build_channels_tx_maps(priv); |
2600 | mlx5e_activate_channels(&priv->channels); | |
2601 | netif_tx_start_all_queues(priv->netdev); | |
9008ae07 | 2602 | |
955bc480 | 2603 | if (mlx5e_is_eswitch_vport_mngr(priv->mdev)) |
9008ae07 SM |
2604 | mlx5e_add_sqs_fwd_rules(priv); |
2605 | ||
acc6c595 | 2606 | mlx5e_wait_channels_min_rx_wqes(&priv->channels); |
9008ae07 | 2607 | mlx5e_redirect_rqts_to_channels(priv, &priv->channels); |
acc6c595 SM |
2608 | } |
2609 | ||
603f4a45 | 2610 | void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) |
acc6c595 | 2611 | { |
9008ae07 SM |
2612 | mlx5e_redirect_rqts_to_drop(priv); |
2613 | ||
955bc480 | 2614 | if (mlx5e_is_eswitch_vport_mngr(priv->mdev)) |
9008ae07 SM |
2615 | mlx5e_remove_sqs_fwd_rules(priv); |
2616 | ||
acc6c595 SM |
2617 | /* FIXME: This is a W/A only for tx timeout watch dog false alarm when |
2618 | * polling for inactive tx queues. | |
2619 | */ | |
2620 | netif_tx_stop_all_queues(priv->netdev); | |
2621 | netif_tx_disable(priv->netdev); | |
2622 | mlx5e_deactivate_channels(&priv->channels); | |
2623 | } | |
2624 | ||
55c2503d | 2625 | void mlx5e_switch_priv_channels(struct mlx5e_priv *priv, |
2e20a151 SM |
2626 | struct mlx5e_channels *new_chs, |
2627 | mlx5e_fp_hw_modify hw_modify) | |
55c2503d SM |
2628 | { |
2629 | struct net_device *netdev = priv->netdev; | |
2630 | int new_num_txqs; | |
7ca42c80 | 2631 | int carrier_ok; |
55c2503d SM |
2632 | new_num_txqs = new_chs->num * new_chs->params.num_tc; |
2633 | ||
7ca42c80 | 2634 | carrier_ok = netif_carrier_ok(netdev); |
55c2503d SM |
2635 | netif_carrier_off(netdev); |
2636 | ||
2637 | if (new_num_txqs < netdev->real_num_tx_queues) | |
2638 | netif_set_real_num_tx_queues(netdev, new_num_txqs); | |
2639 | ||
2640 | mlx5e_deactivate_priv_channels(priv); | |
2641 | mlx5e_close_channels(&priv->channels); | |
2642 | ||
2643 | priv->channels = *new_chs; | |
2644 | ||
2e20a151 SM |
2645 | /* New channels are ready to roll, modify HW settings if needed */ |
2646 | if (hw_modify) | |
2647 | hw_modify(priv); | |
2648 | ||
55c2503d SM |
2649 | mlx5e_refresh_tirs(priv, false); |
2650 | mlx5e_activate_priv_channels(priv); | |
2651 | ||
7ca42c80 ES |
2652 | /* return carrier back if needed */ |
2653 | if (carrier_ok) | |
2654 | netif_carrier_on(netdev); | |
55c2503d SM |
2655 | } |
2656 | ||
40ab6a6e AS |
2657 | int mlx5e_open_locked(struct net_device *netdev) |
2658 | { | |
2659 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
40ab6a6e AS |
2660 | int err; |
2661 | ||
2662 | set_bit(MLX5E_STATE_OPENED, &priv->state); | |
2663 | ||
ff9c852f | 2664 | err = mlx5e_open_channels(priv, &priv->channels); |
acc6c595 | 2665 | if (err) |
343b29f3 | 2666 | goto err_clear_state_opened_flag; |
40ab6a6e | 2667 | |
b676f653 | 2668 | mlx5e_refresh_tirs(priv, false); |
acc6c595 | 2669 | mlx5e_activate_priv_channels(priv); |
7ca42c80 ES |
2670 | if (priv->profile->update_carrier) |
2671 | priv->profile->update_carrier(priv); | |
ef9814de | 2672 | mlx5e_timestamp_init(priv); |
be4891af | 2673 | |
cb67b832 HHZ |
2674 | if (priv->profile->update_stats) |
2675 | queue_delayed_work(priv->wq, &priv->update_stats_work, 0); | |
40ab6a6e | 2676 | |
9b37b07f | 2677 | return 0; |
343b29f3 AS |
2678 | |
2679 | err_clear_state_opened_flag: | |
2680 | clear_bit(MLX5E_STATE_OPENED, &priv->state); | |
2681 | return err; | |
40ab6a6e AS |
2682 | } |
2683 | ||
cb67b832 | 2684 | int mlx5e_open(struct net_device *netdev) |
40ab6a6e AS |
2685 | { |
2686 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2687 | int err; | |
2688 | ||
2689 | mutex_lock(&priv->state_lock); | |
2690 | err = mlx5e_open_locked(netdev); | |
2691 | mutex_unlock(&priv->state_lock); | |
2692 | ||
2693 | return err; | |
2694 | } | |
2695 | ||
2696 | int mlx5e_close_locked(struct net_device *netdev) | |
2697 | { | |
2698 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2699 | ||
a1985740 AS |
2700 | /* May already be CLOSED in case a previous configuration operation |
2701 | * (e.g RX/TX queue size change) that involves close&open failed. | |
2702 | */ | |
2703 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
2704 | return 0; | |
2705 | ||
40ab6a6e AS |
2706 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
2707 | ||
ef9814de | 2708 | mlx5e_timestamp_cleanup(priv); |
40ab6a6e | 2709 | netif_carrier_off(priv->netdev); |
acc6c595 SM |
2710 | mlx5e_deactivate_priv_channels(priv); |
2711 | mlx5e_close_channels(&priv->channels); | |
40ab6a6e AS |
2712 | |
2713 | return 0; | |
2714 | } | |
2715 | ||
cb67b832 | 2716 | int mlx5e_close(struct net_device *netdev) |
40ab6a6e AS |
2717 | { |
2718 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2719 | int err; | |
2720 | ||
26e59d80 MHY |
2721 | if (!netif_device_present(netdev)) |
2722 | return -ENODEV; | |
2723 | ||
40ab6a6e AS |
2724 | mutex_lock(&priv->state_lock); |
2725 | err = mlx5e_close_locked(netdev); | |
2726 | mutex_unlock(&priv->state_lock); | |
2727 | ||
2728 | return err; | |
2729 | } | |
2730 | ||
a43b25da | 2731 | static int mlx5e_alloc_drop_rq(struct mlx5_core_dev *mdev, |
3b77235b SM |
2732 | struct mlx5e_rq *rq, |
2733 | struct mlx5e_rq_param *param) | |
40ab6a6e | 2734 | { |
40ab6a6e AS |
2735 | void *rqc = param->rqc; |
2736 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
2737 | int err; | |
2738 | ||
2739 | param->wq.db_numa_node = param->wq.buf_numa_node; | |
2740 | ||
2741 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, | |
2742 | &rq->wq_ctrl); | |
2743 | if (err) | |
2744 | return err; | |
2745 | ||
a43b25da | 2746 | rq->mdev = mdev; |
40ab6a6e AS |
2747 | |
2748 | return 0; | |
2749 | } | |
2750 | ||
a43b25da | 2751 | static int mlx5e_alloc_drop_cq(struct mlx5_core_dev *mdev, |
3b77235b SM |
2752 | struct mlx5e_cq *cq, |
2753 | struct mlx5e_cq_param *param) | |
40ab6a6e | 2754 | { |
95b6c6a5 | 2755 | return mlx5e_alloc_cq_common(mdev, param, cq); |
40ab6a6e AS |
2756 | } |
2757 | ||
a43b25da SM |
2758 | static int mlx5e_open_drop_rq(struct mlx5_core_dev *mdev, |
2759 | struct mlx5e_rq *drop_rq) | |
40ab6a6e | 2760 | { |
a43b25da SM |
2761 | struct mlx5e_cq_param cq_param = {}; |
2762 | struct mlx5e_rq_param rq_param = {}; | |
2763 | struct mlx5e_cq *cq = &drop_rq->cq; | |
40ab6a6e AS |
2764 | int err; |
2765 | ||
556dd1b9 | 2766 | mlx5e_build_drop_rq_param(&rq_param); |
40ab6a6e | 2767 | |
a43b25da | 2768 | err = mlx5e_alloc_drop_cq(mdev, cq, &cq_param); |
40ab6a6e AS |
2769 | if (err) |
2770 | return err; | |
2771 | ||
3b77235b | 2772 | err = mlx5e_create_cq(cq, &cq_param); |
40ab6a6e | 2773 | if (err) |
3b77235b | 2774 | goto err_free_cq; |
40ab6a6e | 2775 | |
a43b25da | 2776 | err = mlx5e_alloc_drop_rq(mdev, drop_rq, &rq_param); |
40ab6a6e | 2777 | if (err) |
3b77235b | 2778 | goto err_destroy_cq; |
40ab6a6e | 2779 | |
a43b25da | 2780 | err = mlx5e_create_rq(drop_rq, &rq_param); |
40ab6a6e | 2781 | if (err) |
3b77235b | 2782 | goto err_free_rq; |
40ab6a6e AS |
2783 | |
2784 | return 0; | |
2785 | ||
3b77235b | 2786 | err_free_rq: |
a43b25da | 2787 | mlx5e_free_rq(drop_rq); |
40ab6a6e AS |
2788 | |
2789 | err_destroy_cq: | |
a43b25da | 2790 | mlx5e_destroy_cq(cq); |
40ab6a6e | 2791 | |
3b77235b | 2792 | err_free_cq: |
a43b25da | 2793 | mlx5e_free_cq(cq); |
3b77235b | 2794 | |
40ab6a6e AS |
2795 | return err; |
2796 | } | |
2797 | ||
a43b25da | 2798 | static void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq) |
40ab6a6e | 2799 | { |
a43b25da SM |
2800 | mlx5e_destroy_rq(drop_rq); |
2801 | mlx5e_free_rq(drop_rq); | |
2802 | mlx5e_destroy_cq(&drop_rq->cq); | |
2803 | mlx5e_free_cq(&drop_rq->cq); | |
40ab6a6e AS |
2804 | } |
2805 | ||
5426a0b2 SM |
2806 | int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc, |
2807 | u32 underlay_qpn, u32 *tisn) | |
40ab6a6e | 2808 | { |
c4f287c4 | 2809 | u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; |
40ab6a6e AS |
2810 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
2811 | ||
08fb1dac | 2812 | MLX5_SET(tisc, tisc, prio, tc << 1); |
5426a0b2 | 2813 | MLX5_SET(tisc, tisc, underlay_qpn, underlay_qpn); |
b50d292b | 2814 | MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.td.tdn); |
db60b802 AH |
2815 | |
2816 | if (mlx5_lag_is_lacp_owner(mdev)) | |
2817 | MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1); | |
2818 | ||
5426a0b2 | 2819 | return mlx5_core_create_tis(mdev, in, sizeof(in), tisn); |
40ab6a6e AS |
2820 | } |
2821 | ||
5426a0b2 | 2822 | void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn) |
40ab6a6e | 2823 | { |
5426a0b2 | 2824 | mlx5_core_destroy_tis(mdev, tisn); |
40ab6a6e AS |
2825 | } |
2826 | ||
cb67b832 | 2827 | int mlx5e_create_tises(struct mlx5e_priv *priv) |
40ab6a6e AS |
2828 | { |
2829 | int err; | |
2830 | int tc; | |
2831 | ||
6bfd390b | 2832 | for (tc = 0; tc < priv->profile->max_tc; tc++) { |
5426a0b2 | 2833 | err = mlx5e_create_tis(priv->mdev, tc, 0, &priv->tisn[tc]); |
40ab6a6e AS |
2834 | if (err) |
2835 | goto err_close_tises; | |
2836 | } | |
2837 | ||
2838 | return 0; | |
2839 | ||
2840 | err_close_tises: | |
2841 | for (tc--; tc >= 0; tc--) | |
5426a0b2 | 2842 | mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
40ab6a6e AS |
2843 | |
2844 | return err; | |
2845 | } | |
2846 | ||
cb67b832 | 2847 | void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv) |
40ab6a6e AS |
2848 | { |
2849 | int tc; | |
2850 | ||
6bfd390b | 2851 | for (tc = 0; tc < priv->profile->max_tc; tc++) |
5426a0b2 | 2852 | mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
40ab6a6e AS |
2853 | } |
2854 | ||
6a9764ef SM |
2855 | static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, |
2856 | enum mlx5e_traffic_types tt, | |
2857 | u32 *tirc) | |
f62b8bb8 | 2858 | { |
b50d292b | 2859 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
3191e05f | 2860 | |
6a9764ef | 2861 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
f62b8bb8 | 2862 | |
4cbeaff5 | 2863 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
398f3351 | 2864 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqt.rqtn); |
6a9764ef | 2865 | mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc); |
f62b8bb8 AV |
2866 | } |
2867 | ||
6a9764ef | 2868 | static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 rqtn, u32 *tirc) |
f62b8bb8 | 2869 | { |
b50d292b | 2870 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
1da36696 | 2871 | |
6a9764ef | 2872 | mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc); |
1da36696 TT |
2873 | |
2874 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); | |
2875 | MLX5_SET(tirc, tirc, indirect_table, rqtn); | |
2876 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); | |
2877 | } | |
2878 | ||
8f493ffd | 2879 | int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv) |
1da36696 | 2880 | { |
724b2aa1 | 2881 | struct mlx5e_tir *tir; |
f62b8bb8 AV |
2882 | void *tirc; |
2883 | int inlen; | |
2884 | int err; | |
1da36696 | 2885 | u32 *in; |
1da36696 | 2886 | int tt; |
f62b8bb8 AV |
2887 | |
2888 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 2889 | in = kvzalloc(inlen, GFP_KERNEL); |
f62b8bb8 AV |
2890 | if (!in) |
2891 | return -ENOMEM; | |
2892 | ||
1da36696 TT |
2893 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
2894 | memset(in, 0, inlen); | |
724b2aa1 | 2895 | tir = &priv->indir_tir[tt]; |
1da36696 | 2896 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
6a9764ef | 2897 | mlx5e_build_indir_tir_ctx(priv, tt, tirc); |
724b2aa1 | 2898 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
f62b8bb8 | 2899 | if (err) |
40ab6a6e | 2900 | goto err_destroy_tirs; |
f62b8bb8 AV |
2901 | } |
2902 | ||
6bfd390b HHZ |
2903 | kvfree(in); |
2904 | ||
2905 | return 0; | |
2906 | ||
2907 | err_destroy_tirs: | |
8f493ffd | 2908 | mlx5_core_warn(priv->mdev, "create indirect tirs failed, %d\n", err); |
6bfd390b HHZ |
2909 | for (tt--; tt >= 0; tt--) |
2910 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[tt]); | |
2911 | ||
2912 | kvfree(in); | |
2913 | ||
2914 | return err; | |
2915 | } | |
2916 | ||
cb67b832 | 2917 | int mlx5e_create_direct_tirs(struct mlx5e_priv *priv) |
6bfd390b HHZ |
2918 | { |
2919 | int nch = priv->profile->max_nch(priv->mdev); | |
2920 | struct mlx5e_tir *tir; | |
2921 | void *tirc; | |
2922 | int inlen; | |
2923 | int err; | |
2924 | u32 *in; | |
2925 | int ix; | |
2926 | ||
2927 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 2928 | in = kvzalloc(inlen, GFP_KERNEL); |
6bfd390b HHZ |
2929 | if (!in) |
2930 | return -ENOMEM; | |
2931 | ||
1da36696 TT |
2932 | for (ix = 0; ix < nch; ix++) { |
2933 | memset(in, 0, inlen); | |
724b2aa1 | 2934 | tir = &priv->direct_tir[ix]; |
1da36696 | 2935 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
6a9764ef | 2936 | mlx5e_build_direct_tir_ctx(priv, priv->direct_tir[ix].rqt.rqtn, tirc); |
724b2aa1 | 2937 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
1da36696 TT |
2938 | if (err) |
2939 | goto err_destroy_ch_tirs; | |
2940 | } | |
2941 | ||
2942 | kvfree(in); | |
2943 | ||
f62b8bb8 AV |
2944 | return 0; |
2945 | ||
1da36696 | 2946 | err_destroy_ch_tirs: |
8f493ffd | 2947 | mlx5_core_warn(priv->mdev, "create direct tirs failed, %d\n", err); |
1da36696 | 2948 | for (ix--; ix >= 0; ix--) |
724b2aa1 | 2949 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[ix]); |
1da36696 | 2950 | |
1da36696 | 2951 | kvfree(in); |
f62b8bb8 AV |
2952 | |
2953 | return err; | |
2954 | } | |
2955 | ||
8f493ffd | 2956 | void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv) |
f62b8bb8 AV |
2957 | { |
2958 | int i; | |
2959 | ||
1da36696 | 2960 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) |
724b2aa1 | 2961 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[i]); |
f62b8bb8 AV |
2962 | } |
2963 | ||
cb67b832 | 2964 | void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv) |
6bfd390b HHZ |
2965 | { |
2966 | int nch = priv->profile->max_nch(priv->mdev); | |
2967 | int i; | |
2968 | ||
2969 | for (i = 0; i < nch; i++) | |
2970 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[i]); | |
2971 | } | |
2972 | ||
102722fc GE |
2973 | static int mlx5e_modify_channels_scatter_fcs(struct mlx5e_channels *chs, bool enable) |
2974 | { | |
2975 | int err = 0; | |
2976 | int i; | |
2977 | ||
2978 | for (i = 0; i < chs->num; i++) { | |
2979 | err = mlx5e_modify_rq_scatter_fcs(&chs->c[i]->rq, enable); | |
2980 | if (err) | |
2981 | return err; | |
2982 | } | |
2983 | ||
2984 | return 0; | |
2985 | } | |
2986 | ||
f6d96a20 | 2987 | static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd) |
36350114 GP |
2988 | { |
2989 | int err = 0; | |
2990 | int i; | |
2991 | ||
ff9c852f SM |
2992 | for (i = 0; i < chs->num; i++) { |
2993 | err = mlx5e_modify_rq_vsd(&chs->c[i]->rq, vsd); | |
36350114 GP |
2994 | if (err) |
2995 | return err; | |
2996 | } | |
2997 | ||
2998 | return 0; | |
2999 | } | |
3000 | ||
0cf0f6d3 JP |
3001 | static int mlx5e_setup_tc_mqprio(struct net_device *netdev, |
3002 | struct tc_mqprio_qopt *mqprio) | |
08fb1dac SM |
3003 | { |
3004 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
6f9485af | 3005 | struct mlx5e_channels new_channels = {}; |
0cf0f6d3 | 3006 | u8 tc = mqprio->num_tc; |
08fb1dac SM |
3007 | int err = 0; |
3008 | ||
0cf0f6d3 JP |
3009 | mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS; |
3010 | ||
08fb1dac SM |
3011 | if (tc && tc != MLX5E_MAX_NUM_TC) |
3012 | return -EINVAL; | |
3013 | ||
3014 | mutex_lock(&priv->state_lock); | |
3015 | ||
6f9485af SM |
3016 | new_channels.params = priv->channels.params; |
3017 | new_channels.params.num_tc = tc ? tc : 1; | |
08fb1dac | 3018 | |
20b6a1c7 | 3019 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { |
6f9485af SM |
3020 | priv->channels.params = new_channels.params; |
3021 | goto out; | |
3022 | } | |
08fb1dac | 3023 | |
6f9485af SM |
3024 | err = mlx5e_open_channels(priv, &new_channels); |
3025 | if (err) | |
3026 | goto out; | |
08fb1dac | 3027 | |
2e20a151 | 3028 | mlx5e_switch_priv_channels(priv, &new_channels, NULL); |
6f9485af | 3029 | out: |
08fb1dac | 3030 | mutex_unlock(&priv->state_lock); |
08fb1dac SM |
3031 | return err; |
3032 | } | |
3033 | ||
0cf0f6d3 | 3034 | static int mlx5e_setup_tc_cls_flower(struct net_device *dev, |
0cf0f6d3 | 3035 | struct tc_cls_flower_offload *cls_flower) |
08fb1dac | 3036 | { |
e8f887ac AV |
3037 | struct mlx5e_priv *priv = netdev_priv(dev); |
3038 | ||
5fd9fc4e JP |
3039 | if (TC_H_MAJ(cls_flower->common.handle) != TC_H_MAJ(TC_H_INGRESS) || |
3040 | cls_flower->common.chain_index) | |
0cf0f6d3 | 3041 | return -EOPNOTSUPP; |
e8f887ac | 3042 | |
0cf0f6d3 JP |
3043 | switch (cls_flower->command) { |
3044 | case TC_CLSFLOWER_REPLACE: | |
5fd9fc4e | 3045 | return mlx5e_configure_flower(priv, cls_flower); |
0cf0f6d3 JP |
3046 | case TC_CLSFLOWER_DESTROY: |
3047 | return mlx5e_delete_flower(priv, cls_flower); | |
3048 | case TC_CLSFLOWER_STATS: | |
3049 | return mlx5e_stats_flower(priv, cls_flower); | |
3050 | default: | |
a5fcf8a6 | 3051 | return -EOPNOTSUPP; |
0cf0f6d3 JP |
3052 | } |
3053 | } | |
a5fcf8a6 | 3054 | |
0cf0f6d3 | 3055 | static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type, |
de4784ca | 3056 | void *type_data) |
0cf0f6d3 | 3057 | { |
2572ac53 | 3058 | switch (type) { |
e3a2b7ed | 3059 | case TC_SETUP_CLSFLOWER: |
de4784ca | 3060 | return mlx5e_setup_tc_cls_flower(dev, type_data); |
0cf0f6d3 | 3061 | case TC_SETUP_MQPRIO: |
de4784ca | 3062 | return mlx5e_setup_tc_mqprio(dev, type_data); |
e8f887ac AV |
3063 | default: |
3064 | return -EOPNOTSUPP; | |
3065 | } | |
08fb1dac SM |
3066 | } |
3067 | ||
bc1f4470 | 3068 | static void |
f62b8bb8 AV |
3069 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) |
3070 | { | |
3071 | struct mlx5e_priv *priv = netdev_priv(dev); | |
9218b44d | 3072 | struct mlx5e_sw_stats *sstats = &priv->stats.sw; |
f62b8bb8 | 3073 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; |
269e6b3a | 3074 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
f62b8bb8 | 3075 | |
370bad0f OG |
3076 | if (mlx5e_is_uplink_rep(priv)) { |
3077 | stats->rx_packets = PPORT_802_3_GET(pstats, a_frames_received_ok); | |
3078 | stats->rx_bytes = PPORT_802_3_GET(pstats, a_octets_received_ok); | |
3079 | stats->tx_packets = PPORT_802_3_GET(pstats, a_frames_transmitted_ok); | |
3080 | stats->tx_bytes = PPORT_802_3_GET(pstats, a_octets_transmitted_ok); | |
3081 | } else { | |
3082 | stats->rx_packets = sstats->rx_packets; | |
3083 | stats->rx_bytes = sstats->rx_bytes; | |
3084 | stats->tx_packets = sstats->tx_packets; | |
3085 | stats->tx_bytes = sstats->tx_bytes; | |
3086 | stats->tx_dropped = sstats->tx_queue_dropped; | |
3087 | } | |
269e6b3a GP |
3088 | |
3089 | stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer; | |
269e6b3a GP |
3090 | |
3091 | stats->rx_length_errors = | |
9218b44d GP |
3092 | PPORT_802_3_GET(pstats, a_in_range_length_errors) + |
3093 | PPORT_802_3_GET(pstats, a_out_of_range_length_field) + | |
3094 | PPORT_802_3_GET(pstats, a_frame_too_long_errors); | |
269e6b3a | 3095 | stats->rx_crc_errors = |
9218b44d GP |
3096 | PPORT_802_3_GET(pstats, a_frame_check_sequence_errors); |
3097 | stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors); | |
3098 | stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards); | |
269e6b3a GP |
3099 | stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + |
3100 | stats->rx_frame_errors; | |
3101 | stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; | |
3102 | ||
3103 | /* vport multicast also counts packets that are dropped due to steering | |
3104 | * or rx out of buffer | |
3105 | */ | |
9218b44d GP |
3106 | stats->multicast = |
3107 | VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); | |
f62b8bb8 AV |
3108 | } |
3109 | ||
3110 | static void mlx5e_set_rx_mode(struct net_device *dev) | |
3111 | { | |
3112 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3113 | ||
7bb29755 | 3114 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
3115 | } |
3116 | ||
3117 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) | |
3118 | { | |
3119 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3120 | struct sockaddr *saddr = addr; | |
3121 | ||
3122 | if (!is_valid_ether_addr(saddr->sa_data)) | |
3123 | return -EADDRNOTAVAIL; | |
3124 | ||
3125 | netif_addr_lock_bh(netdev); | |
3126 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); | |
3127 | netif_addr_unlock_bh(netdev); | |
3128 | ||
7bb29755 | 3129 | queue_work(priv->wq, &priv->set_rx_mode_work); |
f62b8bb8 AV |
3130 | |
3131 | return 0; | |
3132 | } | |
3133 | ||
0e405443 GP |
3134 | #define MLX5E_SET_FEATURE(netdev, feature, enable) \ |
3135 | do { \ | |
3136 | if (enable) \ | |
3137 | netdev->features |= feature; \ | |
3138 | else \ | |
3139 | netdev->features &= ~feature; \ | |
3140 | } while (0) | |
3141 | ||
3142 | typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable); | |
3143 | ||
3144 | static int set_feature_lro(struct net_device *netdev, bool enable) | |
f62b8bb8 AV |
3145 | { |
3146 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2e20a151 SM |
3147 | struct mlx5e_channels new_channels = {}; |
3148 | int err = 0; | |
3149 | bool reset; | |
f62b8bb8 AV |
3150 | |
3151 | mutex_lock(&priv->state_lock); | |
f62b8bb8 | 3152 | |
2e20a151 SM |
3153 | reset = (priv->channels.params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST); |
3154 | reset = reset && test_bit(MLX5E_STATE_OPENED, &priv->state); | |
98e81b0a | 3155 | |
2e20a151 SM |
3156 | new_channels.params = priv->channels.params; |
3157 | new_channels.params.lro_en = enable; | |
3158 | ||
3159 | if (!reset) { | |
3160 | priv->channels.params = new_channels.params; | |
3161 | err = mlx5e_modify_tirs_lro(priv); | |
3162 | goto out; | |
98e81b0a | 3163 | } |
f62b8bb8 | 3164 | |
2e20a151 SM |
3165 | err = mlx5e_open_channels(priv, &new_channels); |
3166 | if (err) | |
3167 | goto out; | |
0e405443 | 3168 | |
2e20a151 SM |
3169 | mlx5e_switch_priv_channels(priv, &new_channels, mlx5e_modify_tirs_lro); |
3170 | out: | |
9b37b07f | 3171 | mutex_unlock(&priv->state_lock); |
0e405443 GP |
3172 | return err; |
3173 | } | |
3174 | ||
3175 | static int set_feature_vlan_filter(struct net_device *netdev, bool enable) | |
3176 | { | |
3177 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3178 | ||
3179 | if (enable) | |
3180 | mlx5e_enable_vlan_filter(priv); | |
3181 | else | |
3182 | mlx5e_disable_vlan_filter(priv); | |
3183 | ||
3184 | return 0; | |
3185 | } | |
3186 | ||
3187 | static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) | |
3188 | { | |
3189 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
f62b8bb8 | 3190 | |
0e405443 | 3191 | if (!enable && mlx5e_tc_num_filters(priv)) { |
e8f887ac AV |
3192 | netdev_err(netdev, |
3193 | "Active offloaded tc filters, can't turn hw_tc_offload off\n"); | |
3194 | return -EINVAL; | |
3195 | } | |
3196 | ||
0e405443 GP |
3197 | return 0; |
3198 | } | |
3199 | ||
94cb1ebb EBE |
3200 | static int set_feature_rx_all(struct net_device *netdev, bool enable) |
3201 | { | |
3202 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3203 | struct mlx5_core_dev *mdev = priv->mdev; | |
3204 | ||
3205 | return mlx5_set_port_fcs(mdev, !enable); | |
3206 | } | |
3207 | ||
102722fc GE |
3208 | static int set_feature_rx_fcs(struct net_device *netdev, bool enable) |
3209 | { | |
3210 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3211 | int err; | |
3212 | ||
3213 | mutex_lock(&priv->state_lock); | |
3214 | ||
3215 | priv->channels.params.scatter_fcs_en = enable; | |
3216 | err = mlx5e_modify_channels_scatter_fcs(&priv->channels, enable); | |
3217 | if (err) | |
3218 | priv->channels.params.scatter_fcs_en = !enable; | |
3219 | ||
3220 | mutex_unlock(&priv->state_lock); | |
3221 | ||
3222 | return err; | |
3223 | } | |
3224 | ||
36350114 GP |
3225 | static int set_feature_rx_vlan(struct net_device *netdev, bool enable) |
3226 | { | |
3227 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
ff9c852f | 3228 | int err = 0; |
36350114 GP |
3229 | |
3230 | mutex_lock(&priv->state_lock); | |
3231 | ||
6a9764ef | 3232 | priv->channels.params.vlan_strip_disable = !enable; |
ff9c852f SM |
3233 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
3234 | goto unlock; | |
3235 | ||
3236 | err = mlx5e_modify_channels_vsd(&priv->channels, !enable); | |
36350114 | 3237 | if (err) |
6a9764ef | 3238 | priv->channels.params.vlan_strip_disable = enable; |
36350114 | 3239 | |
ff9c852f | 3240 | unlock: |
36350114 GP |
3241 | mutex_unlock(&priv->state_lock); |
3242 | ||
3243 | return err; | |
3244 | } | |
3245 | ||
45bf454a MG |
3246 | #ifdef CONFIG_RFS_ACCEL |
3247 | static int set_feature_arfs(struct net_device *netdev, bool enable) | |
3248 | { | |
3249 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3250 | int err; | |
3251 | ||
3252 | if (enable) | |
3253 | err = mlx5e_arfs_enable(priv); | |
3254 | else | |
3255 | err = mlx5e_arfs_disable(priv); | |
3256 | ||
3257 | return err; | |
3258 | } | |
3259 | #endif | |
3260 | ||
0e405443 GP |
3261 | static int mlx5e_handle_feature(struct net_device *netdev, |
3262 | netdev_features_t wanted_features, | |
3263 | netdev_features_t feature, | |
3264 | mlx5e_feature_handler feature_handler) | |
3265 | { | |
3266 | netdev_features_t changes = wanted_features ^ netdev->features; | |
3267 | bool enable = !!(wanted_features & feature); | |
3268 | int err; | |
3269 | ||
3270 | if (!(changes & feature)) | |
3271 | return 0; | |
3272 | ||
3273 | err = feature_handler(netdev, enable); | |
3274 | if (err) { | |
3275 | netdev_err(netdev, "%s feature 0x%llx failed err %d\n", | |
3276 | enable ? "Enable" : "Disable", feature, err); | |
3277 | return err; | |
3278 | } | |
3279 | ||
3280 | MLX5E_SET_FEATURE(netdev, feature, enable); | |
3281 | return 0; | |
3282 | } | |
3283 | ||
3284 | static int mlx5e_set_features(struct net_device *netdev, | |
3285 | netdev_features_t features) | |
3286 | { | |
3287 | int err; | |
3288 | ||
3289 | err = mlx5e_handle_feature(netdev, features, NETIF_F_LRO, | |
3290 | set_feature_lro); | |
3291 | err |= mlx5e_handle_feature(netdev, features, | |
3292 | NETIF_F_HW_VLAN_CTAG_FILTER, | |
3293 | set_feature_vlan_filter); | |
3294 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_TC, | |
3295 | set_feature_tc_num_filters); | |
94cb1ebb EBE |
3296 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXALL, |
3297 | set_feature_rx_all); | |
102722fc GE |
3298 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXFCS, |
3299 | set_feature_rx_fcs); | |
36350114 GP |
3300 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_VLAN_CTAG_RX, |
3301 | set_feature_rx_vlan); | |
45bf454a MG |
3302 | #ifdef CONFIG_RFS_ACCEL |
3303 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_NTUPLE, | |
3304 | set_feature_arfs); | |
3305 | #endif | |
0e405443 GP |
3306 | |
3307 | return err ? -EINVAL : 0; | |
f62b8bb8 AV |
3308 | } |
3309 | ||
3310 | static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) | |
3311 | { | |
3312 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
2e20a151 SM |
3313 | struct mlx5e_channels new_channels = {}; |
3314 | int curr_mtu; | |
98e81b0a | 3315 | int err = 0; |
506753b0 | 3316 | bool reset; |
f62b8bb8 | 3317 | |
f62b8bb8 | 3318 | mutex_lock(&priv->state_lock); |
98e81b0a | 3319 | |
6a9764ef SM |
3320 | reset = !priv->channels.params.lro_en && |
3321 | (priv->channels.params.rq_wq_type != | |
506753b0 TT |
3322 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); |
3323 | ||
2e20a151 | 3324 | reset = reset && test_bit(MLX5E_STATE_OPENED, &priv->state); |
98e81b0a | 3325 | |
2e20a151 | 3326 | curr_mtu = netdev->mtu; |
f62b8bb8 | 3327 | netdev->mtu = new_mtu; |
98e81b0a | 3328 | |
2e20a151 SM |
3329 | if (!reset) { |
3330 | mlx5e_set_dev_port_mtu(priv); | |
3331 | goto out; | |
3332 | } | |
98e81b0a | 3333 | |
2e20a151 SM |
3334 | new_channels.params = priv->channels.params; |
3335 | err = mlx5e_open_channels(priv, &new_channels); | |
3336 | if (err) { | |
3337 | netdev->mtu = curr_mtu; | |
3338 | goto out; | |
3339 | } | |
3340 | ||
3341 | mlx5e_switch_priv_channels(priv, &new_channels, mlx5e_set_dev_port_mtu); | |
f62b8bb8 | 3342 | |
2e20a151 SM |
3343 | out: |
3344 | mutex_unlock(&priv->state_lock); | |
f62b8bb8 AV |
3345 | return err; |
3346 | } | |
3347 | ||
ef9814de EBE |
3348 | static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
3349 | { | |
1170fbd8 FD |
3350 | struct mlx5e_priv *priv = netdev_priv(dev); |
3351 | ||
ef9814de EBE |
3352 | switch (cmd) { |
3353 | case SIOCSHWTSTAMP: | |
1170fbd8 | 3354 | return mlx5e_hwstamp_set(priv, ifr); |
ef9814de | 3355 | case SIOCGHWTSTAMP: |
1170fbd8 | 3356 | return mlx5e_hwstamp_get(priv, ifr); |
ef9814de EBE |
3357 | default: |
3358 | return -EOPNOTSUPP; | |
3359 | } | |
3360 | } | |
3361 | ||
66e49ded SM |
3362 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
3363 | { | |
3364 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3365 | struct mlx5_core_dev *mdev = priv->mdev; | |
3366 | ||
3367 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); | |
3368 | } | |
3369 | ||
79aab093 MS |
3370 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos, |
3371 | __be16 vlan_proto) | |
66e49ded SM |
3372 | { |
3373 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3374 | struct mlx5_core_dev *mdev = priv->mdev; | |
3375 | ||
79aab093 MS |
3376 | if (vlan_proto != htons(ETH_P_8021Q)) |
3377 | return -EPROTONOSUPPORT; | |
3378 | ||
66e49ded SM |
3379 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, |
3380 | vlan, qos); | |
3381 | } | |
3382 | ||
f942380c MHY |
3383 | static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
3384 | { | |
3385 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3386 | struct mlx5_core_dev *mdev = priv->mdev; | |
3387 | ||
3388 | return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting); | |
3389 | } | |
3390 | ||
1edc57e2 MHY |
3391 | static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting) |
3392 | { | |
3393 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3394 | struct mlx5_core_dev *mdev = priv->mdev; | |
3395 | ||
3396 | return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting); | |
3397 | } | |
bd77bf1c MHY |
3398 | |
3399 | static int mlx5e_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, | |
3400 | int max_tx_rate) | |
3401 | { | |
3402 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3403 | struct mlx5_core_dev *mdev = priv->mdev; | |
3404 | ||
bd77bf1c | 3405 | return mlx5_eswitch_set_vport_rate(mdev->priv.eswitch, vf + 1, |
c9497c98 | 3406 | max_tx_rate, min_tx_rate); |
bd77bf1c MHY |
3407 | } |
3408 | ||
66e49ded SM |
3409 | static int mlx5_vport_link2ifla(u8 esw_link) |
3410 | { | |
3411 | switch (esw_link) { | |
3412 | case MLX5_ESW_VPORT_ADMIN_STATE_DOWN: | |
3413 | return IFLA_VF_LINK_STATE_DISABLE; | |
3414 | case MLX5_ESW_VPORT_ADMIN_STATE_UP: | |
3415 | return IFLA_VF_LINK_STATE_ENABLE; | |
3416 | } | |
3417 | return IFLA_VF_LINK_STATE_AUTO; | |
3418 | } | |
3419 | ||
3420 | static int mlx5_ifla_link2vport(u8 ifla_link) | |
3421 | { | |
3422 | switch (ifla_link) { | |
3423 | case IFLA_VF_LINK_STATE_DISABLE: | |
3424 | return MLX5_ESW_VPORT_ADMIN_STATE_DOWN; | |
3425 | case IFLA_VF_LINK_STATE_ENABLE: | |
3426 | return MLX5_ESW_VPORT_ADMIN_STATE_UP; | |
3427 | } | |
3428 | return MLX5_ESW_VPORT_ADMIN_STATE_AUTO; | |
3429 | } | |
3430 | ||
3431 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, | |
3432 | int link_state) | |
3433 | { | |
3434 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3435 | struct mlx5_core_dev *mdev = priv->mdev; | |
3436 | ||
3437 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, | |
3438 | mlx5_ifla_link2vport(link_state)); | |
3439 | } | |
3440 | ||
3441 | static int mlx5e_get_vf_config(struct net_device *dev, | |
3442 | int vf, struct ifla_vf_info *ivi) | |
3443 | { | |
3444 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3445 | struct mlx5_core_dev *mdev = priv->mdev; | |
3446 | int err; | |
3447 | ||
3448 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); | |
3449 | if (err) | |
3450 | return err; | |
3451 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); | |
3452 | return 0; | |
3453 | } | |
3454 | ||
3455 | static int mlx5e_get_vf_stats(struct net_device *dev, | |
3456 | int vf, struct ifla_vf_stats *vf_stats) | |
3457 | { | |
3458 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3459 | struct mlx5_core_dev *mdev = priv->mdev; | |
3460 | ||
3461 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, | |
3462 | vf_stats); | |
3463 | } | |
3464 | ||
1ad9a00a PB |
3465 | static void mlx5e_add_vxlan_port(struct net_device *netdev, |
3466 | struct udp_tunnel_info *ti) | |
b3f63c3d MF |
3467 | { |
3468 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3469 | ||
974c3f30 AD |
3470 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
3471 | return; | |
3472 | ||
b3f63c3d MF |
3473 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
3474 | return; | |
3475 | ||
974c3f30 | 3476 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 1); |
b3f63c3d MF |
3477 | } |
3478 | ||
1ad9a00a PB |
3479 | static void mlx5e_del_vxlan_port(struct net_device *netdev, |
3480 | struct udp_tunnel_info *ti) | |
b3f63c3d MF |
3481 | { |
3482 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3483 | ||
974c3f30 AD |
3484 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
3485 | return; | |
3486 | ||
b3f63c3d MF |
3487 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
3488 | return; | |
3489 | ||
974c3f30 | 3490 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 0); |
b3f63c3d MF |
3491 | } |
3492 | ||
3493 | static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, | |
3494 | struct sk_buff *skb, | |
3495 | netdev_features_t features) | |
3496 | { | |
3497 | struct udphdr *udph; | |
3498 | u16 proto; | |
3499 | u16 port = 0; | |
3500 | ||
3501 | switch (vlan_get_protocol(skb)) { | |
3502 | case htons(ETH_P_IP): | |
3503 | proto = ip_hdr(skb)->protocol; | |
3504 | break; | |
3505 | case htons(ETH_P_IPV6): | |
3506 | proto = ipv6_hdr(skb)->nexthdr; | |
3507 | break; | |
3508 | default: | |
3509 | goto out; | |
3510 | } | |
3511 | ||
3512 | if (proto == IPPROTO_UDP) { | |
3513 | udph = udp_hdr(skb); | |
3514 | port = be16_to_cpu(udph->dest); | |
3515 | } | |
3516 | ||
3517 | /* Verify if UDP port is being offloaded by HW */ | |
3518 | if (port && mlx5e_vxlan_lookup_port(priv, port)) | |
3519 | return features; | |
3520 | ||
3521 | out: | |
3522 | /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ | |
3523 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); | |
3524 | } | |
3525 | ||
3526 | static netdev_features_t mlx5e_features_check(struct sk_buff *skb, | |
3527 | struct net_device *netdev, | |
3528 | netdev_features_t features) | |
3529 | { | |
3530 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3531 | ||
3532 | features = vlan_features_check(skb, features); | |
3533 | features = vxlan_features_check(skb, features); | |
3534 | ||
2ac9cfe7 IT |
3535 | #ifdef CONFIG_MLX5_EN_IPSEC |
3536 | if (mlx5e_ipsec_feature_check(skb, netdev, features)) | |
3537 | return features; | |
3538 | #endif | |
3539 | ||
b3f63c3d MF |
3540 | /* Validate if the tunneled packet is being offloaded by HW */ |
3541 | if (skb->encapsulation && | |
3542 | (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK)) | |
3543 | return mlx5e_vxlan_features_check(priv, skb, features); | |
3544 | ||
3545 | return features; | |
3546 | } | |
3547 | ||
3947ca18 DJ |
3548 | static void mlx5e_tx_timeout(struct net_device *dev) |
3549 | { | |
3550 | struct mlx5e_priv *priv = netdev_priv(dev); | |
3551 | bool sched_work = false; | |
3552 | int i; | |
3553 | ||
3554 | netdev_err(dev, "TX timeout detected\n"); | |
3555 | ||
6a9764ef | 3556 | for (i = 0; i < priv->channels.num * priv->channels.params.num_tc; i++) { |
acc6c595 | 3557 | struct mlx5e_txqsq *sq = priv->txq2sq[i]; |
3947ca18 | 3558 | |
2c1ccc99 | 3559 | if (!netif_xmit_stopped(netdev_get_tx_queue(dev, i))) |
3947ca18 DJ |
3560 | continue; |
3561 | sched_work = true; | |
c0f1147d | 3562 | clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); |
3947ca18 DJ |
3563 | netdev_err(dev, "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x\n", |
3564 | i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc); | |
3565 | } | |
3566 | ||
3567 | if (sched_work && test_bit(MLX5E_STATE_OPENED, &priv->state)) | |
3568 | schedule_work(&priv->tx_timeout_work); | |
3569 | } | |
3570 | ||
86994156 RS |
3571 | static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) |
3572 | { | |
3573 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3574 | struct bpf_prog *old_prog; | |
3575 | int err = 0; | |
3576 | bool reset, was_opened; | |
3577 | int i; | |
3578 | ||
3579 | mutex_lock(&priv->state_lock); | |
3580 | ||
3581 | if ((netdev->features & NETIF_F_LRO) && prog) { | |
3582 | netdev_warn(netdev, "can't set XDP while LRO is on, disable LRO first\n"); | |
3583 | err = -EINVAL; | |
3584 | goto unlock; | |
3585 | } | |
3586 | ||
547eede0 IT |
3587 | if ((netdev->features & NETIF_F_HW_ESP) && prog) { |
3588 | netdev_warn(netdev, "can't set XDP with IPSec offload\n"); | |
3589 | err = -EINVAL; | |
3590 | goto unlock; | |
3591 | } | |
3592 | ||
86994156 RS |
3593 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
3594 | /* no need for full reset when exchanging programs */ | |
6a9764ef | 3595 | reset = (!priv->channels.params.xdp_prog || !prog); |
86994156 RS |
3596 | |
3597 | if (was_opened && reset) | |
3598 | mlx5e_close_locked(netdev); | |
c54c0629 DB |
3599 | if (was_opened && !reset) { |
3600 | /* num_channels is invariant here, so we can take the | |
3601 | * batched reference right upfront. | |
3602 | */ | |
6a9764ef | 3603 | prog = bpf_prog_add(prog, priv->channels.num); |
c54c0629 DB |
3604 | if (IS_ERR(prog)) { |
3605 | err = PTR_ERR(prog); | |
3606 | goto unlock; | |
3607 | } | |
3608 | } | |
86994156 | 3609 | |
c54c0629 DB |
3610 | /* exchange programs, extra prog reference we got from caller |
3611 | * as long as we don't fail from this point onwards. | |
3612 | */ | |
6a9764ef | 3613 | old_prog = xchg(&priv->channels.params.xdp_prog, prog); |
86994156 RS |
3614 | if (old_prog) |
3615 | bpf_prog_put(old_prog); | |
3616 | ||
3617 | if (reset) /* change RQ type according to priv->xdp_prog */ | |
6a9764ef | 3618 | mlx5e_set_rq_params(priv->mdev, &priv->channels.params); |
86994156 RS |
3619 | |
3620 | if (was_opened && reset) | |
3621 | mlx5e_open_locked(netdev); | |
3622 | ||
3623 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || reset) | |
3624 | goto unlock; | |
3625 | ||
3626 | /* exchanging programs w/o reset, we update ref counts on behalf | |
3627 | * of the channels RQs here. | |
3628 | */ | |
ff9c852f SM |
3629 | for (i = 0; i < priv->channels.num; i++) { |
3630 | struct mlx5e_channel *c = priv->channels.c[i]; | |
86994156 | 3631 | |
c0f1147d | 3632 | clear_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); |
86994156 RS |
3633 | napi_synchronize(&c->napi); |
3634 | /* prevent mlx5e_poll_rx_cq from accessing rq->xdp_prog */ | |
3635 | ||
3636 | old_prog = xchg(&c->rq.xdp_prog, prog); | |
3637 | ||
c0f1147d | 3638 | set_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); |
86994156 RS |
3639 | /* napi_schedule in case we have missed anything */ |
3640 | set_bit(MLX5E_CHANNEL_NAPI_SCHED, &c->flags); | |
3641 | napi_schedule(&c->napi); | |
3642 | ||
3643 | if (old_prog) | |
3644 | bpf_prog_put(old_prog); | |
3645 | } | |
3646 | ||
3647 | unlock: | |
3648 | mutex_unlock(&priv->state_lock); | |
3649 | return err; | |
3650 | } | |
3651 | ||
821b2e29 | 3652 | static u32 mlx5e_xdp_query(struct net_device *dev) |
86994156 RS |
3653 | { |
3654 | struct mlx5e_priv *priv = netdev_priv(dev); | |
821b2e29 MKL |
3655 | const struct bpf_prog *xdp_prog; |
3656 | u32 prog_id = 0; | |
86994156 | 3657 | |
821b2e29 MKL |
3658 | mutex_lock(&priv->state_lock); |
3659 | xdp_prog = priv->channels.params.xdp_prog; | |
3660 | if (xdp_prog) | |
3661 | prog_id = xdp_prog->aux->id; | |
3662 | mutex_unlock(&priv->state_lock); | |
3663 | ||
3664 | return prog_id; | |
86994156 RS |
3665 | } |
3666 | ||
3667 | static int mlx5e_xdp(struct net_device *dev, struct netdev_xdp *xdp) | |
3668 | { | |
3669 | switch (xdp->command) { | |
3670 | case XDP_SETUP_PROG: | |
3671 | return mlx5e_xdp_set(dev, xdp->prog); | |
3672 | case XDP_QUERY_PROG: | |
821b2e29 MKL |
3673 | xdp->prog_id = mlx5e_xdp_query(dev); |
3674 | xdp->prog_attached = !!xdp->prog_id; | |
86994156 RS |
3675 | return 0; |
3676 | default: | |
3677 | return -EINVAL; | |
3678 | } | |
3679 | } | |
3680 | ||
80378384 CO |
3681 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3682 | /* Fake "interrupt" called by netpoll (eg netconsole) to send skbs without | |
3683 | * reenabling interrupts. | |
3684 | */ | |
3685 | static void mlx5e_netpoll(struct net_device *dev) | |
3686 | { | |
3687 | struct mlx5e_priv *priv = netdev_priv(dev); | |
ff9c852f SM |
3688 | struct mlx5e_channels *chs = &priv->channels; |
3689 | ||
80378384 CO |
3690 | int i; |
3691 | ||
ff9c852f SM |
3692 | for (i = 0; i < chs->num; i++) |
3693 | napi_schedule(&chs->c[i]->napi); | |
80378384 CO |
3694 | } |
3695 | #endif | |
3696 | ||
b0eed40e | 3697 | static const struct net_device_ops mlx5e_netdev_ops_basic = { |
f62b8bb8 AV |
3698 | .ndo_open = mlx5e_open, |
3699 | .ndo_stop = mlx5e_close, | |
3700 | .ndo_start_xmit = mlx5e_xmit, | |
0cf0f6d3 | 3701 | .ndo_setup_tc = mlx5e_setup_tc, |
08fb1dac | 3702 | .ndo_select_queue = mlx5e_select_queue, |
f62b8bb8 AV |
3703 | .ndo_get_stats64 = mlx5e_get_stats, |
3704 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
3705 | .ndo_set_mac_address = mlx5e_set_mac, | |
b0eed40e SM |
3706 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
3707 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
f62b8bb8 | 3708 | .ndo_set_features = mlx5e_set_features, |
b0eed40e SM |
3709 | .ndo_change_mtu = mlx5e_change_mtu, |
3710 | .ndo_do_ioctl = mlx5e_ioctl, | |
507f0c81 | 3711 | .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate, |
45bf454a MG |
3712 | #ifdef CONFIG_RFS_ACCEL |
3713 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, | |
3714 | #endif | |
3947ca18 | 3715 | .ndo_tx_timeout = mlx5e_tx_timeout, |
86994156 | 3716 | .ndo_xdp = mlx5e_xdp, |
80378384 CO |
3717 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3718 | .ndo_poll_controller = mlx5e_netpoll, | |
3719 | #endif | |
b0eed40e SM |
3720 | }; |
3721 | ||
3722 | static const struct net_device_ops mlx5e_netdev_ops_sriov = { | |
3723 | .ndo_open = mlx5e_open, | |
3724 | .ndo_stop = mlx5e_close, | |
3725 | .ndo_start_xmit = mlx5e_xmit, | |
0cf0f6d3 | 3726 | .ndo_setup_tc = mlx5e_setup_tc, |
08fb1dac | 3727 | .ndo_select_queue = mlx5e_select_queue, |
b0eed40e SM |
3728 | .ndo_get_stats64 = mlx5e_get_stats, |
3729 | .ndo_set_rx_mode = mlx5e_set_rx_mode, | |
3730 | .ndo_set_mac_address = mlx5e_set_mac, | |
3731 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, | |
3732 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, | |
3733 | .ndo_set_features = mlx5e_set_features, | |
3734 | .ndo_change_mtu = mlx5e_change_mtu, | |
3735 | .ndo_do_ioctl = mlx5e_ioctl, | |
974c3f30 AD |
3736 | .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, |
3737 | .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, | |
507f0c81 | 3738 | .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate, |
b3f63c3d | 3739 | .ndo_features_check = mlx5e_features_check, |
45bf454a MG |
3740 | #ifdef CONFIG_RFS_ACCEL |
3741 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, | |
3742 | #endif | |
b0eed40e SM |
3743 | .ndo_set_vf_mac = mlx5e_set_vf_mac, |
3744 | .ndo_set_vf_vlan = mlx5e_set_vf_vlan, | |
f942380c | 3745 | .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk, |
1edc57e2 | 3746 | .ndo_set_vf_trust = mlx5e_set_vf_trust, |
bd77bf1c | 3747 | .ndo_set_vf_rate = mlx5e_set_vf_rate, |
b0eed40e SM |
3748 | .ndo_get_vf_config = mlx5e_get_vf_config, |
3749 | .ndo_set_vf_link_state = mlx5e_set_vf_link_state, | |
3750 | .ndo_get_vf_stats = mlx5e_get_vf_stats, | |
3947ca18 | 3751 | .ndo_tx_timeout = mlx5e_tx_timeout, |
86994156 | 3752 | .ndo_xdp = mlx5e_xdp, |
80378384 CO |
3753 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3754 | .ndo_poll_controller = mlx5e_netpoll, | |
3755 | #endif | |
370bad0f OG |
3756 | .ndo_has_offload_stats = mlx5e_has_offload_stats, |
3757 | .ndo_get_offload_stats = mlx5e_get_offload_stats, | |
f62b8bb8 AV |
3758 | }; |
3759 | ||
3760 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) | |
3761 | { | |
3762 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) | |
9eb78923 | 3763 | return -EOPNOTSUPP; |
f62b8bb8 AV |
3764 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || |
3765 | !MLX5_CAP_GEN(mdev, nic_flow_table) || | |
3766 | !MLX5_CAP_ETH(mdev, csum_cap) || | |
3767 | !MLX5_CAP_ETH(mdev, max_lso_cap) || | |
3768 | !MLX5_CAP_ETH(mdev, vlan_cap) || | |
796a27ec GP |
3769 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
3770 | MLX5_CAP_FLOWTABLE(mdev, | |
3771 | flow_table_properties_nic_receive.max_ft_level) | |
3772 | < 3) { | |
f62b8bb8 AV |
3773 | mlx5_core_warn(mdev, |
3774 | "Not creating net device, some required device capabilities are missing\n"); | |
9eb78923 | 3775 | return -EOPNOTSUPP; |
f62b8bb8 | 3776 | } |
66189961 TT |
3777 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
3778 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); | |
7524a5d8 | 3779 | if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
3e432ab6 | 3780 | mlx5_core_warn(mdev, "CQ moderation is not supported\n"); |
66189961 | 3781 | |
f62b8bb8 AV |
3782 | return 0; |
3783 | } | |
3784 | ||
58d52291 AS |
3785 | u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) |
3786 | { | |
3787 | int bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; | |
3788 | ||
3789 | return bf_buf_size - | |
3790 | sizeof(struct mlx5e_tx_wqe) + | |
3791 | 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; | |
3792 | } | |
3793 | ||
d8c9660d TT |
3794 | void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev, |
3795 | u32 *indirection_rqt, int len, | |
85082dba TT |
3796 | int num_channels) |
3797 | { | |
d8c9660d TT |
3798 | int node = mdev->priv.numa_node; |
3799 | int node_num_of_cores; | |
85082dba TT |
3800 | int i; |
3801 | ||
d8c9660d TT |
3802 | if (node == -1) |
3803 | node = first_online_node; | |
3804 | ||
3805 | node_num_of_cores = cpumask_weight(cpumask_of_node(node)); | |
3806 | ||
3807 | if (node_num_of_cores) | |
3808 | num_channels = min_t(int, num_channels, node_num_of_cores); | |
3809 | ||
85082dba TT |
3810 | for (i = 0; i < len; i++) |
3811 | indirection_rqt[i] = i % num_channels; | |
3812 | } | |
3813 | ||
b797a684 SM |
3814 | static int mlx5e_get_pci_bw(struct mlx5_core_dev *mdev, u32 *pci_bw) |
3815 | { | |
3816 | enum pcie_link_width width; | |
3817 | enum pci_bus_speed speed; | |
3818 | int err = 0; | |
3819 | ||
3820 | err = pcie_get_minimum_link(mdev->pdev, &speed, &width); | |
3821 | if (err) | |
3822 | return err; | |
3823 | ||
3824 | if (speed == PCI_SPEED_UNKNOWN || width == PCIE_LNK_WIDTH_UNKNOWN) | |
3825 | return -EINVAL; | |
3826 | ||
3827 | switch (speed) { | |
3828 | case PCIE_SPEED_2_5GT: | |
3829 | *pci_bw = 2500 * width; | |
3830 | break; | |
3831 | case PCIE_SPEED_5_0GT: | |
3832 | *pci_bw = 5000 * width; | |
3833 | break; | |
3834 | case PCIE_SPEED_8_0GT: | |
3835 | *pci_bw = 8000 * width; | |
3836 | break; | |
3837 | default: | |
3838 | return -EINVAL; | |
3839 | } | |
3840 | ||
3841 | return 0; | |
3842 | } | |
3843 | ||
3844 | static bool cqe_compress_heuristic(u32 link_speed, u32 pci_bw) | |
3845 | { | |
3846 | return (link_speed && pci_bw && | |
3847 | (pci_bw < 40000) && (pci_bw < link_speed)); | |
3848 | } | |
3849 | ||
0f6e4cf6 EBE |
3850 | static bool hw_lro_heuristic(u32 link_speed, u32 pci_bw) |
3851 | { | |
3852 | return !(link_speed && pci_bw && | |
3853 | (pci_bw <= 16000) && (pci_bw < link_speed)); | |
3854 | } | |
3855 | ||
9908aa29 TT |
3856 | void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode) |
3857 | { | |
3858 | params->rx_cq_period_mode = cq_period_mode; | |
3859 | ||
3860 | params->rx_cq_moderation.pkts = | |
3861 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; | |
3862 | params->rx_cq_moderation.usec = | |
3863 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; | |
3864 | ||
3865 | if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE) | |
3866 | params->rx_cq_moderation.usec = | |
3867 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE; | |
6a9764ef | 3868 | |
457fcd8a SM |
3869 | if (params->rx_am_enabled) |
3870 | params->rx_cq_moderation = | |
3871 | mlx5e_am_get_def_profile(params->rx_cq_period_mode); | |
3872 | ||
6a9764ef SM |
3873 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_BASED_MODER, |
3874 | params->rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE); | |
9908aa29 TT |
3875 | } |
3876 | ||
2b029556 SM |
3877 | u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout) |
3878 | { | |
3879 | int i; | |
3880 | ||
3881 | /* The supported periods are organized in ascending order */ | |
3882 | for (i = 0; i < MLX5E_LRO_TIMEOUT_ARR_SIZE - 1; i++) | |
3883 | if (MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]) >= wanted_timeout) | |
3884 | break; | |
3885 | ||
3886 | return MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]); | |
3887 | } | |
3888 | ||
8f493ffd SM |
3889 | void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, |
3890 | struct mlx5e_params *params, | |
3891 | u16 max_channels) | |
f62b8bb8 | 3892 | { |
6a9764ef | 3893 | u8 cq_period_mode = 0; |
b797a684 SM |
3894 | u32 link_speed = 0; |
3895 | u32 pci_bw = 0; | |
2fc4bfb7 | 3896 | |
6a9764ef SM |
3897 | params->num_channels = max_channels; |
3898 | params->num_tc = 1; | |
2b029556 | 3899 | |
0f6e4cf6 EBE |
3900 | mlx5e_get_max_linkspeed(mdev, &link_speed); |
3901 | mlx5e_get_pci_bw(mdev, &pci_bw); | |
3902 | mlx5_core_dbg(mdev, "Max link speed = %d, PCI BW = %d\n", | |
3903 | link_speed, pci_bw); | |
3904 | ||
6a9764ef SM |
3905 | /* SQ */ |
3906 | params->log_sq_size = is_kdump_kernel() ? | |
b4e029da KH |
3907 | MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE : |
3908 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; | |
461017cb | 3909 | |
b797a684 | 3910 | /* set CQE compression */ |
6a9764ef | 3911 | params->rx_cqe_compress_def = false; |
b797a684 | 3912 | if (MLX5_CAP_GEN(mdev, cqe_compression) && |
e53eef63 | 3913 | MLX5_CAP_GEN(mdev, vport_group_manager)) |
6a9764ef | 3914 | params->rx_cqe_compress_def = cqe_compress_heuristic(link_speed, pci_bw); |
0f6e4cf6 | 3915 | |
6a9764ef SM |
3916 | MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS, params->rx_cqe_compress_def); |
3917 | ||
3918 | /* RQ */ | |
3919 | mlx5e_set_rq_params(mdev, params); | |
b797a684 | 3920 | |
6a9764ef | 3921 | /* HW LRO */ |
c139dbfd | 3922 | |
5426a0b2 | 3923 | /* TODO: && MLX5_CAP_ETH(mdev, lro_cap) */ |
6a9764ef | 3924 | if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) |
0f6e4cf6 | 3925 | params->lro_en = hw_lro_heuristic(link_speed, pci_bw); |
6a9764ef | 3926 | params->lro_timeout = mlx5e_choose_lro_timeout(mdev, MLX5E_DEFAULT_LRO_TIMEOUT); |
b0d4660b | 3927 | |
6a9764ef SM |
3928 | /* CQ moderation params */ |
3929 | cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? | |
3930 | MLX5_CQ_PERIOD_MODE_START_FROM_CQE : | |
3931 | MLX5_CQ_PERIOD_MODE_START_FROM_EQE; | |
3932 | params->rx_am_enabled = MLX5_CAP_GEN(mdev, cq_moderation); | |
3933 | mlx5e_set_rx_cq_mode_params(params, cq_period_mode); | |
9908aa29 | 3934 | |
6a9764ef SM |
3935 | params->tx_cq_moderation.usec = MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; |
3936 | params->tx_cq_moderation.pkts = MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; | |
9908aa29 | 3937 | |
6a9764ef SM |
3938 | /* TX inline */ |
3939 | params->tx_max_inline = mlx5e_get_max_inline_cap(mdev); | |
3940 | mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode); | |
3941 | if (params->tx_min_inline_mode == MLX5_INLINE_MODE_NONE && | |
a6f402e4 | 3942 | !MLX5_CAP_ETH(mdev, wqe_vlan_insert)) |
6a9764ef | 3943 | params->tx_min_inline_mode = MLX5_INLINE_MODE_L2; |
a6f402e4 | 3944 | |
6a9764ef SM |
3945 | /* RSS */ |
3946 | params->rss_hfunc = ETH_RSS_HASH_XOR; | |
3947 | netdev_rss_key_fill(params->toeplitz_hash_key, sizeof(params->toeplitz_hash_key)); | |
3948 | mlx5e_build_default_indir_rqt(mdev, params->indirection_rqt, | |
3949 | MLX5E_INDIR_RQT_SIZE, max_channels); | |
3950 | } | |
f62b8bb8 | 3951 | |
6a9764ef SM |
3952 | static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev, |
3953 | struct net_device *netdev, | |
3954 | const struct mlx5e_profile *profile, | |
3955 | void *ppriv) | |
3956 | { | |
3957 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
57afead5 | 3958 | |
6a9764ef SM |
3959 | priv->mdev = mdev; |
3960 | priv->netdev = netdev; | |
3961 | priv->profile = profile; | |
3962 | priv->ppriv = ppriv; | |
c139dbfd | 3963 | priv->hard_mtu = MLX5E_ETH_HARD_MTU; |
2d75b2bc | 3964 | |
6a9764ef | 3965 | mlx5e_build_nic_params(mdev, &priv->channels.params, profile->max_nch(mdev)); |
9908aa29 | 3966 | |
f62b8bb8 AV |
3967 | mutex_init(&priv->state_lock); |
3968 | ||
3969 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); | |
3970 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); | |
3947ca18 | 3971 | INIT_WORK(&priv->tx_timeout_work, mlx5e_tx_timeout_work); |
f62b8bb8 AV |
3972 | INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work); |
3973 | } | |
3974 | ||
3975 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) | |
3976 | { | |
3977 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3978 | ||
e1d7d349 | 3979 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
108805fc SM |
3980 | if (is_zero_ether_addr(netdev->dev_addr) && |
3981 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { | |
3982 | eth_hw_addr_random(netdev); | |
3983 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); | |
3984 | } | |
f62b8bb8 AV |
3985 | } |
3986 | ||
cb67b832 HHZ |
3987 | static const struct switchdev_ops mlx5e_switchdev_ops = { |
3988 | .switchdev_port_attr_get = mlx5e_attr_get, | |
3989 | }; | |
3990 | ||
6bfd390b | 3991 | static void mlx5e_build_nic_netdev(struct net_device *netdev) |
f62b8bb8 AV |
3992 | { |
3993 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
3994 | struct mlx5_core_dev *mdev = priv->mdev; | |
94cb1ebb EBE |
3995 | bool fcs_supported; |
3996 | bool fcs_enabled; | |
f62b8bb8 AV |
3997 | |
3998 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); | |
3999 | ||
08fb1dac | 4000 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
b0eed40e | 4001 | netdev->netdev_ops = &mlx5e_netdev_ops_sriov; |
08fb1dac | 4002 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
80653f73 HN |
4003 | if (MLX5_CAP_GEN(mdev, qos)) |
4004 | netdev->dcbnl_ops = &mlx5e_dcbnl_ops; | |
08fb1dac SM |
4005 | #endif |
4006 | } else { | |
b0eed40e | 4007 | netdev->netdev_ops = &mlx5e_netdev_ops_basic; |
08fb1dac | 4008 | } |
66e49ded | 4009 | |
f62b8bb8 AV |
4010 | netdev->watchdog_timeo = 15 * HZ; |
4011 | ||
4012 | netdev->ethtool_ops = &mlx5e_ethtool_ops; | |
4013 | ||
12be4b21 | 4014 | netdev->vlan_features |= NETIF_F_SG; |
f62b8bb8 AV |
4015 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
4016 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; | |
4017 | netdev->vlan_features |= NETIF_F_GRO; | |
4018 | netdev->vlan_features |= NETIF_F_TSO; | |
4019 | netdev->vlan_features |= NETIF_F_TSO6; | |
4020 | netdev->vlan_features |= NETIF_F_RXCSUM; | |
4021 | netdev->vlan_features |= NETIF_F_RXHASH; | |
4022 | ||
4023 | if (!!MLX5_CAP_ETH(mdev, lro_cap)) | |
4024 | netdev->vlan_features |= NETIF_F_LRO; | |
4025 | ||
4026 | netdev->hw_features = netdev->vlan_features; | |
e4cf27bd | 4027 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
f62b8bb8 AV |
4028 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
4029 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; | |
4030 | ||
b3f63c3d | 4031 | if (mlx5e_vxlan_allowed(mdev)) { |
b49663c8 AD |
4032 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
4033 | NETIF_F_GSO_UDP_TUNNEL_CSUM | | |
4034 | NETIF_F_GSO_PARTIAL; | |
b3f63c3d | 4035 | netdev->hw_enc_features |= NETIF_F_IP_CSUM; |
f3ed653c | 4036 | netdev->hw_enc_features |= NETIF_F_IPV6_CSUM; |
b3f63c3d MF |
4037 | netdev->hw_enc_features |= NETIF_F_TSO; |
4038 | netdev->hw_enc_features |= NETIF_F_TSO6; | |
b3f63c3d | 4039 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; |
b49663c8 AD |
4040 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | |
4041 | NETIF_F_GSO_PARTIAL; | |
4042 | netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; | |
b3f63c3d MF |
4043 | } |
4044 | ||
94cb1ebb EBE |
4045 | mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); |
4046 | ||
4047 | if (fcs_supported) | |
4048 | netdev->hw_features |= NETIF_F_RXALL; | |
4049 | ||
102722fc GE |
4050 | if (MLX5_CAP_ETH(mdev, scatter_fcs)) |
4051 | netdev->hw_features |= NETIF_F_RXFCS; | |
4052 | ||
f62b8bb8 | 4053 | netdev->features = netdev->hw_features; |
6a9764ef | 4054 | if (!priv->channels.params.lro_en) |
f62b8bb8 AV |
4055 | netdev->features &= ~NETIF_F_LRO; |
4056 | ||
94cb1ebb EBE |
4057 | if (fcs_enabled) |
4058 | netdev->features &= ~NETIF_F_RXALL; | |
4059 | ||
102722fc GE |
4060 | if (!priv->channels.params.scatter_fcs_en) |
4061 | netdev->features &= ~NETIF_F_RXFCS; | |
4062 | ||
e8f887ac AV |
4063 | #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) |
4064 | if (FT_CAP(flow_modify_en) && | |
4065 | FT_CAP(modify_root) && | |
4066 | FT_CAP(identified_miss_table_mode) && | |
1cabe6b0 MG |
4067 | FT_CAP(flow_table_modify)) { |
4068 | netdev->hw_features |= NETIF_F_HW_TC; | |
4069 | #ifdef CONFIG_RFS_ACCEL | |
4070 | netdev->hw_features |= NETIF_F_NTUPLE; | |
4071 | #endif | |
4072 | } | |
e8f887ac | 4073 | |
f62b8bb8 AV |
4074 | netdev->features |= NETIF_F_HIGHDMA; |
4075 | ||
4076 | netdev->priv_flags |= IFF_UNICAST_FLT; | |
4077 | ||
4078 | mlx5e_set_netdev_dev_addr(netdev); | |
cb67b832 HHZ |
4079 | |
4080 | #ifdef CONFIG_NET_SWITCHDEV | |
4081 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) | |
4082 | netdev->switchdev_ops = &mlx5e_switchdev_ops; | |
4083 | #endif | |
547eede0 IT |
4084 | |
4085 | mlx5e_ipsec_build_netdev(priv); | |
f62b8bb8 AV |
4086 | } |
4087 | ||
593cf338 RS |
4088 | static void mlx5e_create_q_counter(struct mlx5e_priv *priv) |
4089 | { | |
4090 | struct mlx5_core_dev *mdev = priv->mdev; | |
4091 | int err; | |
4092 | ||
4093 | err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter); | |
4094 | if (err) { | |
4095 | mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err); | |
4096 | priv->q_counter = 0; | |
4097 | } | |
4098 | } | |
4099 | ||
4100 | static void mlx5e_destroy_q_counter(struct mlx5e_priv *priv) | |
4101 | { | |
4102 | if (!priv->q_counter) | |
4103 | return; | |
4104 | ||
4105 | mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter); | |
4106 | } | |
4107 | ||
6bfd390b HHZ |
4108 | static void mlx5e_nic_init(struct mlx5_core_dev *mdev, |
4109 | struct net_device *netdev, | |
127ea380 HHZ |
4110 | const struct mlx5e_profile *profile, |
4111 | void *ppriv) | |
6bfd390b HHZ |
4112 | { |
4113 | struct mlx5e_priv *priv = netdev_priv(netdev); | |
547eede0 | 4114 | int err; |
6bfd390b | 4115 | |
127ea380 | 4116 | mlx5e_build_nic_netdev_priv(mdev, netdev, profile, ppriv); |
547eede0 IT |
4117 | err = mlx5e_ipsec_init(priv); |
4118 | if (err) | |
4119 | mlx5_core_err(mdev, "IPSec initialization failed, %d\n", err); | |
6bfd390b HHZ |
4120 | mlx5e_build_nic_netdev(netdev); |
4121 | mlx5e_vxlan_init(priv); | |
4122 | } | |
4123 | ||
4124 | static void mlx5e_nic_cleanup(struct mlx5e_priv *priv) | |
4125 | { | |
547eede0 | 4126 | mlx5e_ipsec_cleanup(priv); |
6bfd390b | 4127 | mlx5e_vxlan_cleanup(priv); |
127ea380 | 4128 | |
6a9764ef SM |
4129 | if (priv->channels.params.xdp_prog) |
4130 | bpf_prog_put(priv->channels.params.xdp_prog); | |
6bfd390b HHZ |
4131 | } |
4132 | ||
4133 | static int mlx5e_init_nic_rx(struct mlx5e_priv *priv) | |
4134 | { | |
4135 | struct mlx5_core_dev *mdev = priv->mdev; | |
4136 | int err; | |
6bfd390b | 4137 | |
8f493ffd SM |
4138 | err = mlx5e_create_indirect_rqt(priv); |
4139 | if (err) | |
6bfd390b | 4140 | return err; |
6bfd390b HHZ |
4141 | |
4142 | err = mlx5e_create_direct_rqts(priv); | |
8f493ffd | 4143 | if (err) |
6bfd390b | 4144 | goto err_destroy_indirect_rqts; |
6bfd390b HHZ |
4145 | |
4146 | err = mlx5e_create_indirect_tirs(priv); | |
8f493ffd | 4147 | if (err) |
6bfd390b | 4148 | goto err_destroy_direct_rqts; |
6bfd390b HHZ |
4149 | |
4150 | err = mlx5e_create_direct_tirs(priv); | |
8f493ffd | 4151 | if (err) |
6bfd390b | 4152 | goto err_destroy_indirect_tirs; |
6bfd390b HHZ |
4153 | |
4154 | err = mlx5e_create_flow_steering(priv); | |
4155 | if (err) { | |
4156 | mlx5_core_warn(mdev, "create flow steering failed, %d\n", err); | |
4157 | goto err_destroy_direct_tirs; | |
4158 | } | |
4159 | ||
4160 | err = mlx5e_tc_init(priv); | |
4161 | if (err) | |
4162 | goto err_destroy_flow_steering; | |
4163 | ||
4164 | return 0; | |
4165 | ||
4166 | err_destroy_flow_steering: | |
4167 | mlx5e_destroy_flow_steering(priv); | |
4168 | err_destroy_direct_tirs: | |
4169 | mlx5e_destroy_direct_tirs(priv); | |
4170 | err_destroy_indirect_tirs: | |
4171 | mlx5e_destroy_indirect_tirs(priv); | |
4172 | err_destroy_direct_rqts: | |
8f493ffd | 4173 | mlx5e_destroy_direct_rqts(priv); |
6bfd390b HHZ |
4174 | err_destroy_indirect_rqts: |
4175 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); | |
4176 | return err; | |
4177 | } | |
4178 | ||
4179 | static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv) | |
4180 | { | |
6bfd390b HHZ |
4181 | mlx5e_tc_cleanup(priv); |
4182 | mlx5e_destroy_flow_steering(priv); | |
4183 | mlx5e_destroy_direct_tirs(priv); | |
4184 | mlx5e_destroy_indirect_tirs(priv); | |
8f493ffd | 4185 | mlx5e_destroy_direct_rqts(priv); |
6bfd390b HHZ |
4186 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
4187 | } | |
4188 | ||
4189 | static int mlx5e_init_nic_tx(struct mlx5e_priv *priv) | |
4190 | { | |
4191 | int err; | |
4192 | ||
4193 | err = mlx5e_create_tises(priv); | |
4194 | if (err) { | |
4195 | mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err); | |
4196 | return err; | |
4197 | } | |
4198 | ||
4199 | #ifdef CONFIG_MLX5_CORE_EN_DCB | |
e207b7e9 | 4200 | mlx5e_dcbnl_initialize(priv); |
6bfd390b HHZ |
4201 | #endif |
4202 | return 0; | |
4203 | } | |
4204 | ||
4205 | static void mlx5e_nic_enable(struct mlx5e_priv *priv) | |
4206 | { | |
4207 | struct net_device *netdev = priv->netdev; | |
4208 | struct mlx5_core_dev *mdev = priv->mdev; | |
2c3b5bee SM |
4209 | u16 max_mtu; |
4210 | ||
4211 | mlx5e_init_l2_addr(priv); | |
4212 | ||
4213 | /* MTU range: 68 - hw-specific max */ | |
4214 | netdev->min_mtu = ETH_MIN_MTU; | |
4215 | mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1); | |
c139dbfd | 4216 | netdev->max_mtu = MLX5E_HW2SW_MTU(priv, max_mtu); |
2c3b5bee | 4217 | mlx5e_set_dev_port_mtu(priv); |
6bfd390b | 4218 | |
7907f23a AH |
4219 | mlx5_lag_add(mdev, netdev); |
4220 | ||
6bfd390b | 4221 | mlx5e_enable_async_events(priv); |
127ea380 | 4222 | |
1d447a39 SM |
4223 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
4224 | mlx5e_register_vport_reps(priv); | |
2c3b5bee | 4225 | |
610e89e0 SM |
4226 | if (netdev->reg_state != NETREG_REGISTERED) |
4227 | return; | |
4228 | ||
4229 | /* Device already registered: sync netdev system state */ | |
4230 | if (mlx5e_vxlan_allowed(mdev)) { | |
4231 | rtnl_lock(); | |
4232 | udp_tunnel_get_rx_info(netdev); | |
4233 | rtnl_unlock(); | |
4234 | } | |
4235 | ||
4236 | queue_work(priv->wq, &priv->set_rx_mode_work); | |
2c3b5bee SM |
4237 | |
4238 | rtnl_lock(); | |
4239 | if (netif_running(netdev)) | |
4240 | mlx5e_open(netdev); | |
4241 | netif_device_attach(netdev); | |
4242 | rtnl_unlock(); | |
6bfd390b HHZ |
4243 | } |
4244 | ||
4245 | static void mlx5e_nic_disable(struct mlx5e_priv *priv) | |
4246 | { | |
3deef8ce | 4247 | struct mlx5_core_dev *mdev = priv->mdev; |
3deef8ce | 4248 | |
2c3b5bee SM |
4249 | rtnl_lock(); |
4250 | if (netif_running(priv->netdev)) | |
4251 | mlx5e_close(priv->netdev); | |
4252 | netif_device_detach(priv->netdev); | |
4253 | rtnl_unlock(); | |
4254 | ||
6bfd390b | 4255 | queue_work(priv->wq, &priv->set_rx_mode_work); |
1d447a39 | 4256 | |
3deef8ce | 4257 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
1d447a39 SM |
4258 | mlx5e_unregister_vport_reps(priv); |
4259 | ||
6bfd390b | 4260 | mlx5e_disable_async_events(priv); |
3deef8ce | 4261 | mlx5_lag_remove(mdev); |
6bfd390b HHZ |
4262 | } |
4263 | ||
4264 | static const struct mlx5e_profile mlx5e_nic_profile = { | |
4265 | .init = mlx5e_nic_init, | |
4266 | .cleanup = mlx5e_nic_cleanup, | |
4267 | .init_rx = mlx5e_init_nic_rx, | |
4268 | .cleanup_rx = mlx5e_cleanup_nic_rx, | |
4269 | .init_tx = mlx5e_init_nic_tx, | |
4270 | .cleanup_tx = mlx5e_cleanup_nic_tx, | |
4271 | .enable = mlx5e_nic_enable, | |
4272 | .disable = mlx5e_nic_disable, | |
3834a5e6 | 4273 | .update_stats = mlx5e_update_ndo_stats, |
6bfd390b | 4274 | .max_nch = mlx5e_get_max_num_channels, |
7ca42c80 | 4275 | .update_carrier = mlx5e_update_carrier, |
20fd0c19 SM |
4276 | .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe, |
4277 | .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, | |
6bfd390b HHZ |
4278 | .max_tc = MLX5E_MAX_NUM_TC, |
4279 | }; | |
4280 | ||
2c3b5bee SM |
4281 | /* mlx5e generic netdev management API (move to en_common.c) */ |
4282 | ||
26e59d80 MHY |
4283 | struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, |
4284 | const struct mlx5e_profile *profile, | |
4285 | void *ppriv) | |
f62b8bb8 | 4286 | { |
26e59d80 | 4287 | int nch = profile->max_nch(mdev); |
f62b8bb8 AV |
4288 | struct net_device *netdev; |
4289 | struct mlx5e_priv *priv; | |
f62b8bb8 | 4290 | |
08fb1dac | 4291 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), |
6bfd390b | 4292 | nch * profile->max_tc, |
08fb1dac | 4293 | nch); |
f62b8bb8 AV |
4294 | if (!netdev) { |
4295 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); | |
4296 | return NULL; | |
4297 | } | |
4298 | ||
be4891af SM |
4299 | #ifdef CONFIG_RFS_ACCEL |
4300 | netdev->rx_cpu_rmap = mdev->rmap; | |
4301 | #endif | |
4302 | ||
127ea380 | 4303 | profile->init(mdev, netdev, profile, ppriv); |
f62b8bb8 AV |
4304 | |
4305 | netif_carrier_off(netdev); | |
4306 | ||
4307 | priv = netdev_priv(netdev); | |
4308 | ||
7bb29755 MF |
4309 | priv->wq = create_singlethread_workqueue("mlx5e"); |
4310 | if (!priv->wq) | |
26e59d80 MHY |
4311 | goto err_cleanup_nic; |
4312 | ||
4313 | return netdev; | |
4314 | ||
4315 | err_cleanup_nic: | |
31ac9338 OG |
4316 | if (profile->cleanup) |
4317 | profile->cleanup(priv); | |
26e59d80 MHY |
4318 | free_netdev(netdev); |
4319 | ||
4320 | return NULL; | |
4321 | } | |
4322 | ||
2c3b5bee | 4323 | int mlx5e_attach_netdev(struct mlx5e_priv *priv) |
26e59d80 | 4324 | { |
2c3b5bee | 4325 | struct mlx5_core_dev *mdev = priv->mdev; |
26e59d80 | 4326 | const struct mlx5e_profile *profile; |
26e59d80 MHY |
4327 | int err; |
4328 | ||
26e59d80 MHY |
4329 | profile = priv->profile; |
4330 | clear_bit(MLX5E_STATE_DESTROYING, &priv->state); | |
7bb29755 | 4331 | |
6bfd390b HHZ |
4332 | err = profile->init_tx(priv); |
4333 | if (err) | |
ec8b9981 | 4334 | goto out; |
5c50368f | 4335 | |
a43b25da | 4336 | err = mlx5e_open_drop_rq(mdev, &priv->drop_rq); |
5c50368f AS |
4337 | if (err) { |
4338 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); | |
6bfd390b | 4339 | goto err_cleanup_tx; |
5c50368f AS |
4340 | } |
4341 | ||
6bfd390b HHZ |
4342 | err = profile->init_rx(priv); |
4343 | if (err) | |
5c50368f | 4344 | goto err_close_drop_rq; |
5c50368f | 4345 | |
593cf338 RS |
4346 | mlx5e_create_q_counter(priv); |
4347 | ||
6bfd390b HHZ |
4348 | if (profile->enable) |
4349 | profile->enable(priv); | |
f62b8bb8 | 4350 | |
26e59d80 | 4351 | return 0; |
5c50368f AS |
4352 | |
4353 | err_close_drop_rq: | |
a43b25da | 4354 | mlx5e_close_drop_rq(&priv->drop_rq); |
5c50368f | 4355 | |
6bfd390b HHZ |
4356 | err_cleanup_tx: |
4357 | profile->cleanup_tx(priv); | |
5c50368f | 4358 | |
26e59d80 MHY |
4359 | out: |
4360 | return err; | |
f62b8bb8 AV |
4361 | } |
4362 | ||
2c3b5bee | 4363 | void mlx5e_detach_netdev(struct mlx5e_priv *priv) |
26e59d80 | 4364 | { |
26e59d80 MHY |
4365 | const struct mlx5e_profile *profile = priv->profile; |
4366 | ||
4367 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); | |
26e59d80 | 4368 | |
37f304d1 SM |
4369 | if (profile->disable) |
4370 | profile->disable(priv); | |
4371 | flush_workqueue(priv->wq); | |
4372 | ||
26e59d80 MHY |
4373 | mlx5e_destroy_q_counter(priv); |
4374 | profile->cleanup_rx(priv); | |
a43b25da | 4375 | mlx5e_close_drop_rq(&priv->drop_rq); |
26e59d80 | 4376 | profile->cleanup_tx(priv); |
26e59d80 MHY |
4377 | cancel_delayed_work_sync(&priv->update_stats_work); |
4378 | } | |
4379 | ||
2c3b5bee SM |
4380 | void mlx5e_destroy_netdev(struct mlx5e_priv *priv) |
4381 | { | |
4382 | const struct mlx5e_profile *profile = priv->profile; | |
4383 | struct net_device *netdev = priv->netdev; | |
4384 | ||
4385 | destroy_workqueue(priv->wq); | |
4386 | if (profile->cleanup) | |
4387 | profile->cleanup(priv); | |
4388 | free_netdev(netdev); | |
4389 | } | |
4390 | ||
26e59d80 MHY |
4391 | /* mlx5e_attach and mlx5e_detach scope should be only creating/destroying |
4392 | * hardware contexts and to connect it to the current netdev. | |
4393 | */ | |
4394 | static int mlx5e_attach(struct mlx5_core_dev *mdev, void *vpriv) | |
4395 | { | |
4396 | struct mlx5e_priv *priv = vpriv; | |
4397 | struct net_device *netdev = priv->netdev; | |
4398 | int err; | |
4399 | ||
4400 | if (netif_device_present(netdev)) | |
4401 | return 0; | |
4402 | ||
4403 | err = mlx5e_create_mdev_resources(mdev); | |
4404 | if (err) | |
4405 | return err; | |
4406 | ||
2c3b5bee | 4407 | err = mlx5e_attach_netdev(priv); |
26e59d80 MHY |
4408 | if (err) { |
4409 | mlx5e_destroy_mdev_resources(mdev); | |
4410 | return err; | |
4411 | } | |
4412 | ||
4413 | return 0; | |
4414 | } | |
4415 | ||
4416 | static void mlx5e_detach(struct mlx5_core_dev *mdev, void *vpriv) | |
4417 | { | |
4418 | struct mlx5e_priv *priv = vpriv; | |
4419 | struct net_device *netdev = priv->netdev; | |
4420 | ||
4421 | if (!netif_device_present(netdev)) | |
4422 | return; | |
4423 | ||
2c3b5bee | 4424 | mlx5e_detach_netdev(priv); |
26e59d80 MHY |
4425 | mlx5e_destroy_mdev_resources(mdev); |
4426 | } | |
4427 | ||
b50d292b HHZ |
4428 | static void *mlx5e_add(struct mlx5_core_dev *mdev) |
4429 | { | |
127ea380 | 4430 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
26e59d80 | 4431 | int total_vfs = MLX5_TOTAL_VPORTS(mdev); |
1d447a39 | 4432 | struct mlx5e_rep_priv *rpriv = NULL; |
26e59d80 MHY |
4433 | void *priv; |
4434 | int vport; | |
4435 | int err; | |
4436 | struct net_device *netdev; | |
b50d292b | 4437 | |
26e59d80 MHY |
4438 | err = mlx5e_check_required_hca_cap(mdev); |
4439 | if (err) | |
b50d292b HHZ |
4440 | return NULL; |
4441 | ||
1d447a39 SM |
4442 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
4443 | rpriv = kzalloc(sizeof(*rpriv), GFP_KERNEL); | |
4444 | if (!rpriv) { | |
4445 | mlx5_core_warn(mdev, | |
4446 | "Not creating net device, Failed to alloc rep priv data\n"); | |
4447 | return NULL; | |
4448 | } | |
4449 | rpriv->rep = &esw->offloads.vport_reps[0]; | |
4450 | } | |
127ea380 | 4451 | |
1d447a39 | 4452 | netdev = mlx5e_create_netdev(mdev, &mlx5e_nic_profile, rpriv); |
26e59d80 MHY |
4453 | if (!netdev) { |
4454 | mlx5_core_err(mdev, "mlx5e_create_netdev failed\n"); | |
4455 | goto err_unregister_reps; | |
4456 | } | |
4457 | ||
4458 | priv = netdev_priv(netdev); | |
4459 | ||
4460 | err = mlx5e_attach(mdev, priv); | |
4461 | if (err) { | |
4462 | mlx5_core_err(mdev, "mlx5e_attach failed, %d\n", err); | |
4463 | goto err_destroy_netdev; | |
4464 | } | |
4465 | ||
4466 | err = register_netdev(netdev); | |
4467 | if (err) { | |
4468 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); | |
4469 | goto err_detach; | |
b50d292b | 4470 | } |
26e59d80 MHY |
4471 | |
4472 | return priv; | |
4473 | ||
4474 | err_detach: | |
4475 | mlx5e_detach(mdev, priv); | |
4476 | ||
4477 | err_destroy_netdev: | |
2c3b5bee | 4478 | mlx5e_destroy_netdev(priv); |
26e59d80 MHY |
4479 | |
4480 | err_unregister_reps: | |
4481 | for (vport = 1; vport < total_vfs; vport++) | |
4482 | mlx5_eswitch_unregister_vport_rep(esw, vport); | |
4483 | ||
1d447a39 | 4484 | kfree(rpriv); |
26e59d80 | 4485 | return NULL; |
b50d292b HHZ |
4486 | } |
4487 | ||
b50d292b HHZ |
4488 | static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv) |
4489 | { | |
4490 | struct mlx5e_priv *priv = vpriv; | |
1d447a39 | 4491 | void *ppriv = priv->ppriv; |
127ea380 | 4492 | |
5e1e93c7 | 4493 | unregister_netdev(priv->netdev); |
26e59d80 | 4494 | mlx5e_detach(mdev, vpriv); |
2c3b5bee | 4495 | mlx5e_destroy_netdev(priv); |
1d447a39 | 4496 | kfree(ppriv); |
b50d292b HHZ |
4497 | } |
4498 | ||
f62b8bb8 AV |
4499 | static void *mlx5e_get_netdev(void *vpriv) |
4500 | { | |
4501 | struct mlx5e_priv *priv = vpriv; | |
4502 | ||
4503 | return priv->netdev; | |
4504 | } | |
4505 | ||
4506 | static struct mlx5_interface mlx5e_interface = { | |
b50d292b HHZ |
4507 | .add = mlx5e_add, |
4508 | .remove = mlx5e_remove, | |
26e59d80 MHY |
4509 | .attach = mlx5e_attach, |
4510 | .detach = mlx5e_detach, | |
f62b8bb8 AV |
4511 | .event = mlx5e_async_event, |
4512 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, | |
4513 | .get_dev = mlx5e_get_netdev, | |
4514 | }; | |
4515 | ||
4516 | void mlx5e_init(void) | |
4517 | { | |
2ac9cfe7 | 4518 | mlx5e_ipsec_build_inverse_table(); |
665bc539 | 4519 | mlx5e_build_ptys2ethtool_map(); |
f62b8bb8 AV |
4520 | mlx5_register_interface(&mlx5e_interface); |
4521 | } | |
4522 | ||
4523 | void mlx5e_cleanup(void) | |
4524 | { | |
4525 | mlx5_unregister_interface(&mlx5e_interface); | |
4526 | } |