1 /*
2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #include <generated/utsrelease.h>
34 #include <linux/mlx5/fs.h>
35 #include <net/switchdev.h>
36 #include <net/pkt_cls.h>
37 #include <net/act_api.h>
38 #include <net/devlink.h>
39 #include <net/ipv6_stubs.h>
40
41 #include "eswitch.h"
42 #include "en.h"
43 #include "en_rep.h"
44 #include "en/txrx.h"
45 #include "en_tc.h"
46 #include "en/rep/tc.h"
47 #include "en/rep/neigh.h"
48 #include "fs_core.h"
49 #include "lib/mlx5.h"
50 #define CREATE_TRACE_POINTS
51 #include "diag/en_rep_tracepoint.h"
52
53 #define MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE \
54 max(0x7, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)
55 #define MLX5E_REP_PARAMS_DEF_NUM_CHANNELS 1
56
57 static const char mlx5e_rep_driver_name[] = "mlx5e_rep";
58
mlx5e_rep_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)59 static void mlx5e_rep_get_drvinfo(struct net_device *dev,
60 struct ethtool_drvinfo *drvinfo)
61 {
62 struct mlx5e_priv *priv = netdev_priv(dev);
63 struct mlx5_core_dev *mdev = priv->mdev;
64 int count;
65
66 strlcpy(drvinfo->driver, mlx5e_rep_driver_name,
67 sizeof(drvinfo->driver));
68 count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
69 "%d.%d.%04d (%.16s)", fw_rev_maj(mdev),
70 fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id);
71 if (count >= sizeof(drvinfo->fw_version))
72 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
73 "%d.%d.%04d", fw_rev_maj(mdev),
74 fw_rev_min(mdev), fw_rev_sub(mdev));
75 }
76
mlx5e_uplink_rep_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)77 static void mlx5e_uplink_rep_get_drvinfo(struct net_device *dev,
78 struct ethtool_drvinfo *drvinfo)
79 {
80 struct mlx5e_priv *priv = netdev_priv(dev);
81
82 mlx5e_rep_get_drvinfo(dev, drvinfo);
83 strlcpy(drvinfo->bus_info, pci_name(priv->mdev->pdev),
84 sizeof(drvinfo->bus_info));
85 }
86
87 static const struct counter_desc sw_rep_stats_desc[] = {
88 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_packets) },
89 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_bytes) },
90 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_packets) },
91 { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_bytes) },
92 };
93
94 struct vport_stats {
95 u64 vport_rx_packets;
96 u64 vport_tx_packets;
97 u64 vport_rx_bytes;
98 u64 vport_tx_bytes;
99 };
100
101 static const struct counter_desc vport_rep_stats_desc[] = {
102 { MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_packets) },
103 { MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_bytes) },
104 { MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_packets) },
105 { MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_bytes) },
106 };
107
108 #define NUM_VPORT_REP_SW_COUNTERS ARRAY_SIZE(sw_rep_stats_desc)
109 #define NUM_VPORT_REP_HW_COUNTERS ARRAY_SIZE(vport_rep_stats_desc)
110
MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep)111 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep)
112 {
113 return NUM_VPORT_REP_SW_COUNTERS;
114 }
115
MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep)116 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep)
117 {
118 int i;
119
120 for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
121 strcpy(data + (idx++) * ETH_GSTRING_LEN,
122 sw_rep_stats_desc[i].format);
123 return idx;
124 }
125
MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep)126 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep)
127 {
128 int i;
129
130 for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
131 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
132 sw_rep_stats_desc, i);
133 return idx;
134 }
135
MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep)136 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep)
137 {
138 struct mlx5e_sw_stats *s = &priv->stats.sw;
139 struct rtnl_link_stats64 stats64 = {};
140
141 memset(s, 0, sizeof(*s));
142 mlx5e_fold_sw_stats64(priv, &stats64);
143
144 s->rx_packets = stats64.rx_packets;
145 s->rx_bytes = stats64.rx_bytes;
146 s->tx_packets = stats64.tx_packets;
147 s->tx_bytes = stats64.tx_bytes;
148 s->tx_queue_dropped = stats64.tx_dropped;
149 }
150
MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep)151 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep)
152 {
153 return NUM_VPORT_REP_HW_COUNTERS;
154 }
155
MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep)156 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep)
157 {
158 int i;
159
160 for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
161 strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_rep_stats_desc[i].format);
162 return idx;
163 }
164
MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep)165 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep)
166 {
167 int i;
168
169 for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
170 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.vf_vport,
171 vport_rep_stats_desc, i);
172 return idx;
173 }
174
MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)175 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)
176 {
177 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
178 struct mlx5e_rep_priv *rpriv = priv->ppriv;
179 struct mlx5_eswitch_rep *rep = rpriv->rep;
180 struct rtnl_link_stats64 *vport_stats;
181 struct ifla_vf_stats vf_stats;
182 int err;
183
184 err = mlx5_eswitch_get_vport_stats(esw, rep->vport, &vf_stats);
185 if (err) {
186 netdev_warn(priv->netdev, "vport %d error %d reading stats\n",
187 rep->vport, err);
188 return;
189 }
190
191 vport_stats = &priv->stats.vf_vport;
192 /* flip tx/rx as we are reporting the counters for the switch vport */
193 vport_stats->rx_packets = vf_stats.tx_packets;
194 vport_stats->rx_bytes = vf_stats.tx_bytes;
195 vport_stats->tx_packets = vf_stats.rx_packets;
196 vport_stats->tx_bytes = vf_stats.rx_bytes;
197 }
198
mlx5e_rep_get_strings(struct net_device * dev,u32 stringset,uint8_t * data)199 static void mlx5e_rep_get_strings(struct net_device *dev,
200 u32 stringset, uint8_t *data)
201 {
202 struct mlx5e_priv *priv = netdev_priv(dev);
203
204 switch (stringset) {
205 case ETH_SS_STATS:
206 mlx5e_stats_fill_strings(priv, data);
207 break;
208 }
209 }
210
mlx5e_rep_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)211 static void mlx5e_rep_get_ethtool_stats(struct net_device *dev,
212 struct ethtool_stats *stats, u64 *data)
213 {
214 struct mlx5e_priv *priv = netdev_priv(dev);
215
216 mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
217 }
218
mlx5e_rep_get_sset_count(struct net_device * dev,int sset)219 static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset)
220 {
221 struct mlx5e_priv *priv = netdev_priv(dev);
222
223 switch (sset) {
224 case ETH_SS_STATS:
225 return mlx5e_stats_total_num(priv);
226 default:
227 return -EOPNOTSUPP;
228 }
229 }
230
mlx5e_rep_get_ringparam(struct net_device * dev,struct ethtool_ringparam * param)231 static void mlx5e_rep_get_ringparam(struct net_device *dev,
232 struct ethtool_ringparam *param)
233 {
234 struct mlx5e_priv *priv = netdev_priv(dev);
235
236 mlx5e_ethtool_get_ringparam(priv, param);
237 }
238
mlx5e_rep_set_ringparam(struct net_device * dev,struct ethtool_ringparam * param)239 static int mlx5e_rep_set_ringparam(struct net_device *dev,
240 struct ethtool_ringparam *param)
241 {
242 struct mlx5e_priv *priv = netdev_priv(dev);
243
244 return mlx5e_ethtool_set_ringparam(priv, param);
245 }
246
mlx5e_rep_get_channels(struct net_device * dev,struct ethtool_channels * ch)247 static void mlx5e_rep_get_channels(struct net_device *dev,
248 struct ethtool_channels *ch)
249 {
250 struct mlx5e_priv *priv = netdev_priv(dev);
251
252 mlx5e_ethtool_get_channels(priv, ch);
253 }
254
mlx5e_rep_set_channels(struct net_device * dev,struct ethtool_channels * ch)255 static int mlx5e_rep_set_channels(struct net_device *dev,
256 struct ethtool_channels *ch)
257 {
258 struct mlx5e_priv *priv = netdev_priv(dev);
259
260 return mlx5e_ethtool_set_channels(priv, ch);
261 }
262
mlx5e_rep_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal)263 static int mlx5e_rep_get_coalesce(struct net_device *netdev,
264 struct ethtool_coalesce *coal)
265 {
266 struct mlx5e_priv *priv = netdev_priv(netdev);
267
268 return mlx5e_ethtool_get_coalesce(priv, coal);
269 }
270
mlx5e_rep_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal)271 static int mlx5e_rep_set_coalesce(struct net_device *netdev,
272 struct ethtool_coalesce *coal)
273 {
274 struct mlx5e_priv *priv = netdev_priv(netdev);
275
276 return mlx5e_ethtool_set_coalesce(priv, coal);
277 }
278
mlx5e_rep_get_rxfh_key_size(struct net_device * netdev)279 static u32 mlx5e_rep_get_rxfh_key_size(struct net_device *netdev)
280 {
281 struct mlx5e_priv *priv = netdev_priv(netdev);
282
283 return mlx5e_ethtool_get_rxfh_key_size(priv);
284 }
285
mlx5e_rep_get_rxfh_indir_size(struct net_device * netdev)286 static u32 mlx5e_rep_get_rxfh_indir_size(struct net_device *netdev)
287 {
288 struct mlx5e_priv *priv = netdev_priv(netdev);
289
290 return mlx5e_ethtool_get_rxfh_indir_size(priv);
291 }
292
mlx5e_uplink_rep_get_pause_stats(struct net_device * netdev,struct ethtool_pause_stats * stats)293 static void mlx5e_uplink_rep_get_pause_stats(struct net_device *netdev,
294 struct ethtool_pause_stats *stats)
295 {
296 struct mlx5e_priv *priv = netdev_priv(netdev);
297
298 mlx5e_stats_pause_get(priv, stats);
299 }
300
mlx5e_uplink_rep_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pauseparam)301 static void mlx5e_uplink_rep_get_pauseparam(struct net_device *netdev,
302 struct ethtool_pauseparam *pauseparam)
303 {
304 struct mlx5e_priv *priv = netdev_priv(netdev);
305
306 mlx5e_ethtool_get_pauseparam(priv, pauseparam);
307 }
308
mlx5e_uplink_rep_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pauseparam)309 static int mlx5e_uplink_rep_set_pauseparam(struct net_device *netdev,
310 struct ethtool_pauseparam *pauseparam)
311 {
312 struct mlx5e_priv *priv = netdev_priv(netdev);
313
314 return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
315 }
316
mlx5e_uplink_rep_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * link_ksettings)317 static int mlx5e_uplink_rep_get_link_ksettings(struct net_device *netdev,
318 struct ethtool_link_ksettings *link_ksettings)
319 {
320 struct mlx5e_priv *priv = netdev_priv(netdev);
321
322 return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
323 }
324
mlx5e_uplink_rep_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * link_ksettings)325 static int mlx5e_uplink_rep_set_link_ksettings(struct net_device *netdev,
326 const struct ethtool_link_ksettings *link_ksettings)
327 {
328 struct mlx5e_priv *priv = netdev_priv(netdev);
329
330 return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
331 }
332
333 static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
334 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
335 ETHTOOL_COALESCE_MAX_FRAMES |
336 ETHTOOL_COALESCE_USE_ADAPTIVE,
337 .get_drvinfo = mlx5e_rep_get_drvinfo,
338 .get_link = ethtool_op_get_link,
339 .get_strings = mlx5e_rep_get_strings,
340 .get_sset_count = mlx5e_rep_get_sset_count,
341 .get_ethtool_stats = mlx5e_rep_get_ethtool_stats,
342 .get_ringparam = mlx5e_rep_get_ringparam,
343 .set_ringparam = mlx5e_rep_set_ringparam,
344 .get_channels = mlx5e_rep_get_channels,
345 .set_channels = mlx5e_rep_set_channels,
346 .get_coalesce = mlx5e_rep_get_coalesce,
347 .set_coalesce = mlx5e_rep_set_coalesce,
348 .get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size,
349 .get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size,
350 };
351
352 static const struct ethtool_ops mlx5e_uplink_rep_ethtool_ops = {
353 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
354 ETHTOOL_COALESCE_MAX_FRAMES |
355 ETHTOOL_COALESCE_USE_ADAPTIVE,
356 .get_drvinfo = mlx5e_uplink_rep_get_drvinfo,
357 .get_link = ethtool_op_get_link,
358 .get_strings = mlx5e_rep_get_strings,
359 .get_sset_count = mlx5e_rep_get_sset_count,
360 .get_ethtool_stats = mlx5e_rep_get_ethtool_stats,
361 .get_ringparam = mlx5e_rep_get_ringparam,
362 .set_ringparam = mlx5e_rep_set_ringparam,
363 .get_channels = mlx5e_rep_get_channels,
364 .set_channels = mlx5e_rep_set_channels,
365 .get_coalesce = mlx5e_rep_get_coalesce,
366 .set_coalesce = mlx5e_rep_set_coalesce,
367 .get_link_ksettings = mlx5e_uplink_rep_get_link_ksettings,
368 .set_link_ksettings = mlx5e_uplink_rep_set_link_ksettings,
369 .get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size,
370 .get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size,
371 .get_rxfh = mlx5e_get_rxfh,
372 .set_rxfh = mlx5e_set_rxfh,
373 .get_rxnfc = mlx5e_get_rxnfc,
374 .set_rxnfc = mlx5e_set_rxnfc,
375 .get_pause_stats = mlx5e_uplink_rep_get_pause_stats,
376 .get_pauseparam = mlx5e_uplink_rep_get_pauseparam,
377 .set_pauseparam = mlx5e_uplink_rep_set_pauseparam,
378 };
379
mlx5e_sqs2vport_stop(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep)380 static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw,
381 struct mlx5_eswitch_rep *rep)
382 {
383 struct mlx5e_rep_sq *rep_sq, *tmp;
384 struct mlx5e_rep_priv *rpriv;
385
386 if (esw->mode != MLX5_ESWITCH_OFFLOADS)
387 return;
388
389 rpriv = mlx5e_rep_to_rep_priv(rep);
390 list_for_each_entry_safe(rep_sq, tmp, &rpriv->vport_sqs_list, list) {
391 mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
392 list_del(&rep_sq->list);
393 kfree(rep_sq);
394 }
395 }
396
mlx5e_sqs2vport_start(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep,u32 * sqns_array,int sqns_num)397 static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw,
398 struct mlx5_eswitch_rep *rep,
399 u32 *sqns_array, int sqns_num)
400 {
401 struct mlx5_flow_handle *flow_rule;
402 struct mlx5e_rep_priv *rpriv;
403 struct mlx5e_rep_sq *rep_sq;
404 int err;
405 int i;
406
407 if (esw->mode != MLX5_ESWITCH_OFFLOADS)
408 return 0;
409
410 rpriv = mlx5e_rep_to_rep_priv(rep);
411 for (i = 0; i < sqns_num; i++) {
412 rep_sq = kzalloc(sizeof(*rep_sq), GFP_KERNEL);
413 if (!rep_sq) {
414 err = -ENOMEM;
415 goto out_err;
416 }
417
418 /* Add re-inject rule to the PF/representor sqs */
419 flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw,
420 rep->vport,
421 sqns_array[i]);
422 if (IS_ERR(flow_rule)) {
423 err = PTR_ERR(flow_rule);
424 kfree(rep_sq);
425 goto out_err;
426 }
427 rep_sq->send_to_vport_rule = flow_rule;
428 list_add(&rep_sq->list, &rpriv->vport_sqs_list);
429 }
430 return 0;
431
432 out_err:
433 mlx5e_sqs2vport_stop(esw, rep);
434 return err;
435 }
436
mlx5e_add_sqs_fwd_rules(struct mlx5e_priv * priv)437 int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv)
438 {
439 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
440 struct mlx5e_rep_priv *rpriv = priv->ppriv;
441 struct mlx5_eswitch_rep *rep = rpriv->rep;
442 struct mlx5e_channel *c;
443 int n, tc, num_sqs = 0;
444 int err = -ENOMEM;
445 u32 *sqs;
446
447 sqs = kcalloc(priv->channels.num * priv->channels.params.num_tc, sizeof(*sqs), GFP_KERNEL);
448 if (!sqs)
449 goto out;
450
451 for (n = 0; n < priv->channels.num; n++) {
452 c = priv->channels.c[n];
453 for (tc = 0; tc < c->num_tc; tc++)
454 sqs[num_sqs++] = c->sq[tc].sqn;
455 }
456
457 err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs);
458 kfree(sqs);
459
460 out:
461 if (err)
462 netdev_warn(priv->netdev, "Failed to add SQs FWD rules %d\n", err);
463 return err;
464 }
465
mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv * priv)466 void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv)
467 {
468 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
469 struct mlx5e_rep_priv *rpriv = priv->ppriv;
470 struct mlx5_eswitch_rep *rep = rpriv->rep;
471
472 mlx5e_sqs2vport_stop(esw, rep);
473 }
474
mlx5e_rep_open(struct net_device * dev)475 static int mlx5e_rep_open(struct net_device *dev)
476 {
477 struct mlx5e_priv *priv = netdev_priv(dev);
478 struct mlx5e_rep_priv *rpriv = priv->ppriv;
479 struct mlx5_eswitch_rep *rep = rpriv->rep;
480 int err;
481
482 mutex_lock(&priv->state_lock);
483 err = mlx5e_open_locked(dev);
484 if (err)
485 goto unlock;
486
487 if (!mlx5_modify_vport_admin_state(priv->mdev,
488 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
489 rep->vport, 1,
490 MLX5_VPORT_ADMIN_STATE_UP))
491 netif_carrier_on(dev);
492
493 unlock:
494 mutex_unlock(&priv->state_lock);
495 return err;
496 }
497
mlx5e_rep_close(struct net_device * dev)498 static int mlx5e_rep_close(struct net_device *dev)
499 {
500 struct mlx5e_priv *priv = netdev_priv(dev);
501 struct mlx5e_rep_priv *rpriv = priv->ppriv;
502 struct mlx5_eswitch_rep *rep = rpriv->rep;
503 int ret;
504
505 mutex_lock(&priv->state_lock);
506 mlx5_modify_vport_admin_state(priv->mdev,
507 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
508 rep->vport, 1,
509 MLX5_VPORT_ADMIN_STATE_DOWN);
510 ret = mlx5e_close_locked(dev);
511 mutex_unlock(&priv->state_lock);
512 return ret;
513 }
514
mlx5e_is_uplink_rep(struct mlx5e_priv * priv)515 bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
516 {
517 struct mlx5e_rep_priv *rpriv = priv->ppriv;
518 struct mlx5_eswitch_rep *rep;
519
520 if (!MLX5_ESWITCH_MANAGER(priv->mdev))
521 return false;
522
523 if (!rpriv) /* non vport rep mlx5e instances don't use this field */
524 return false;
525
526 rep = rpriv->rep;
527 return (rep->vport == MLX5_VPORT_UPLINK);
528 }
529
mlx5e_rep_has_offload_stats(const struct net_device * dev,int attr_id)530 static bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id)
531 {
532 switch (attr_id) {
533 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
534 return true;
535 }
536
537 return false;
538 }
539
540 static int
mlx5e_get_sw_stats64(const struct net_device * dev,struct rtnl_link_stats64 * stats)541 mlx5e_get_sw_stats64(const struct net_device *dev,
542 struct rtnl_link_stats64 *stats)
543 {
544 struct mlx5e_priv *priv = netdev_priv(dev);
545
546 mlx5e_fold_sw_stats64(priv, stats);
547 return 0;
548 }
549
mlx5e_rep_get_offload_stats(int attr_id,const struct net_device * dev,void * sp)550 static int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
551 void *sp)
552 {
553 switch (attr_id) {
554 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
555 return mlx5e_get_sw_stats64(dev, sp);
556 }
557
558 return -EINVAL;
559 }
560
561 static void
mlx5e_rep_get_stats(struct net_device * dev,struct rtnl_link_stats64 * stats)562 mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
563 {
564 struct mlx5e_priv *priv = netdev_priv(dev);
565
566 /* update HW stats in background for next time */
567 mlx5e_queue_update_stats(priv);
568 memcpy(stats, &priv->stats.vf_vport, sizeof(*stats));
569 }
570
mlx5e_rep_change_mtu(struct net_device * netdev,int new_mtu)571 static int mlx5e_rep_change_mtu(struct net_device *netdev, int new_mtu)
572 {
573 return mlx5e_change_mtu(netdev, new_mtu, NULL);
574 }
575
mlx5e_uplink_rep_change_mtu(struct net_device * netdev,int new_mtu)576 static int mlx5e_uplink_rep_change_mtu(struct net_device *netdev, int new_mtu)
577 {
578 return mlx5e_change_mtu(netdev, new_mtu, mlx5e_set_dev_port_mtu_ctx);
579 }
580
mlx5e_uplink_rep_set_mac(struct net_device * netdev,void * addr)581 static int mlx5e_uplink_rep_set_mac(struct net_device *netdev, void *addr)
582 {
583 struct sockaddr *saddr = addr;
584
585 if (!is_valid_ether_addr(saddr->sa_data))
586 return -EADDRNOTAVAIL;
587
588 ether_addr_copy(netdev->dev_addr, saddr->sa_data);
589 return 0;
590 }
591
mlx5e_uplink_rep_set_vf_vlan(struct net_device * dev,int vf,u16 vlan,u8 qos,__be16 vlan_proto)592 static int mlx5e_uplink_rep_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos,
593 __be16 vlan_proto)
594 {
595 netdev_warn_once(dev, "legacy vf vlan setting isn't supported in switchdev mode\n");
596
597 if (vlan != 0)
598 return -EOPNOTSUPP;
599
600 /* allow setting 0-vid for compatibility with libvirt */
601 return 0;
602 }
603
mlx5e_rep_get_devlink_port(struct net_device * netdev)604 static struct devlink_port *mlx5e_rep_get_devlink_port(struct net_device *netdev)
605 {
606 struct mlx5e_priv *priv = netdev_priv(netdev);
607 struct mlx5e_rep_priv *rpriv = priv->ppriv;
608 struct mlx5_core_dev *dev = priv->mdev;
609
610 return mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport);
611 }
612
mlx5e_rep_change_carrier(struct net_device * dev,bool new_carrier)613 static int mlx5e_rep_change_carrier(struct net_device *dev, bool new_carrier)
614 {
615 struct mlx5e_priv *priv = netdev_priv(dev);
616 struct mlx5e_rep_priv *rpriv = priv->ppriv;
617 struct mlx5_eswitch_rep *rep = rpriv->rep;
618 int err;
619
620 if (new_carrier) {
621 err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
622 rep->vport, 1, MLX5_VPORT_ADMIN_STATE_UP);
623 if (err)
624 return err;
625 netif_carrier_on(dev);
626 } else {
627 err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
628 rep->vport, 1, MLX5_VPORT_ADMIN_STATE_DOWN);
629 if (err)
630 return err;
631 netif_carrier_off(dev);
632 }
633 return 0;
634 }
635
636 static const struct net_device_ops mlx5e_netdev_ops_rep = {
637 .ndo_open = mlx5e_rep_open,
638 .ndo_stop = mlx5e_rep_close,
639 .ndo_start_xmit = mlx5e_xmit,
640 .ndo_setup_tc = mlx5e_rep_setup_tc,
641 .ndo_get_devlink_port = mlx5e_rep_get_devlink_port,
642 .ndo_get_stats64 = mlx5e_rep_get_stats,
643 .ndo_has_offload_stats = mlx5e_rep_has_offload_stats,
644 .ndo_get_offload_stats = mlx5e_rep_get_offload_stats,
645 .ndo_change_mtu = mlx5e_rep_change_mtu,
646 .ndo_change_carrier = mlx5e_rep_change_carrier,
647 };
648
649 static const struct net_device_ops mlx5e_netdev_ops_uplink_rep = {
650 .ndo_open = mlx5e_open,
651 .ndo_stop = mlx5e_close,
652 .ndo_start_xmit = mlx5e_xmit,
653 .ndo_set_mac_address = mlx5e_uplink_rep_set_mac,
654 .ndo_setup_tc = mlx5e_rep_setup_tc,
655 .ndo_get_devlink_port = mlx5e_rep_get_devlink_port,
656 .ndo_get_stats64 = mlx5e_get_stats,
657 .ndo_has_offload_stats = mlx5e_rep_has_offload_stats,
658 .ndo_get_offload_stats = mlx5e_rep_get_offload_stats,
659 .ndo_change_mtu = mlx5e_uplink_rep_change_mtu,
660 .ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
661 .ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
662 .ndo_features_check = mlx5e_features_check,
663 .ndo_set_vf_mac = mlx5e_set_vf_mac,
664 .ndo_set_vf_rate = mlx5e_set_vf_rate,
665 .ndo_get_vf_config = mlx5e_get_vf_config,
666 .ndo_get_vf_stats = mlx5e_get_vf_stats,
667 .ndo_set_vf_vlan = mlx5e_uplink_rep_set_vf_vlan,
668 .ndo_set_features = mlx5e_set_features,
669 };
670
mlx5e_eswitch_uplink_rep(struct net_device * netdev)671 bool mlx5e_eswitch_uplink_rep(struct net_device *netdev)
672 {
673 return netdev->netdev_ops == &mlx5e_netdev_ops_uplink_rep;
674 }
675
mlx5e_eswitch_vf_rep(struct net_device * netdev)676 bool mlx5e_eswitch_vf_rep(struct net_device *netdev)
677 {
678 return netdev->netdev_ops == &mlx5e_netdev_ops_rep;
679 }
680
mlx5e_build_rep_params(struct net_device * netdev)681 static void mlx5e_build_rep_params(struct net_device *netdev)
682 {
683 struct mlx5e_priv *priv = netdev_priv(netdev);
684 struct mlx5e_rep_priv *rpriv = priv->ppriv;
685 struct mlx5_eswitch_rep *rep = rpriv->rep;
686 struct mlx5_core_dev *mdev = priv->mdev;
687 struct mlx5e_params *params;
688
689 u8 cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
690 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
691 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
692
693 params = &priv->channels.params;
694 params->hard_mtu = MLX5E_ETH_HARD_MTU;
695 params->sw_mtu = netdev->mtu;
696
697 /* SQ */
698 if (rep->vport == MLX5_VPORT_UPLINK)
699 params->log_sq_size = MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
700 else
701 params->log_sq_size = MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE;
702
703 /* RQ */
704 mlx5e_build_rq_params(mdev, params);
705
706 /* CQ moderation params */
707 params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
708 mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
709
710 params->num_tc = 1;
711 params->tunneled_offload_en = false;
712 if (rep->vport != MLX5_VPORT_UPLINK)
713 params->vlan_strip_disable = true;
714
715 mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode);
716
717 /* RSS */
718 mlx5e_build_rss_params(&priv->rss_params, params->num_channels);
719 }
720
mlx5e_build_rep_netdev(struct net_device * netdev)721 static void mlx5e_build_rep_netdev(struct net_device *netdev)
722 {
723 struct mlx5e_priv *priv = netdev_priv(netdev);
724 struct mlx5e_rep_priv *rpriv = priv->ppriv;
725 struct mlx5_eswitch_rep *rep = rpriv->rep;
726 struct mlx5_core_dev *mdev = priv->mdev;
727
728 SET_NETDEV_DEV(netdev, mdev->device);
729 if (rep->vport == MLX5_VPORT_UPLINK) {
730 netdev->netdev_ops = &mlx5e_netdev_ops_uplink_rep;
731 /* we want a persistent mac for the uplink rep */
732 mlx5_query_mac_address(mdev, netdev->dev_addr);
733 netdev->ethtool_ops = &mlx5e_uplink_rep_ethtool_ops;
734 mlx5e_vxlan_set_netdev_info(priv);
735 mlx5e_dcbnl_build_rep_netdev(netdev);
736 } else {
737 netdev->netdev_ops = &mlx5e_netdev_ops_rep;
738 eth_hw_addr_random(netdev);
739 netdev->ethtool_ops = &mlx5e_rep_ethtool_ops;
740 }
741
742 netdev->watchdog_timeo = 15 * HZ;
743
744 netdev->features |= NETIF_F_NETNS_LOCAL;
745
746 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
747 netdev->hw_features |= NETIF_F_HW_TC;
748 #endif
749 netdev->hw_features |= NETIF_F_SG;
750 netdev->hw_features |= NETIF_F_IP_CSUM;
751 netdev->hw_features |= NETIF_F_IPV6_CSUM;
752 netdev->hw_features |= NETIF_F_GRO;
753 netdev->hw_features |= NETIF_F_TSO;
754 netdev->hw_features |= NETIF_F_TSO6;
755 netdev->hw_features |= NETIF_F_RXCSUM;
756
757 if (rep->vport == MLX5_VPORT_UPLINK)
758 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
759 else
760 netdev->features |= NETIF_F_VLAN_CHALLENGED;
761
762 netdev->features |= netdev->hw_features;
763 }
764
mlx5e_init_rep(struct mlx5_core_dev * mdev,struct net_device * netdev,const struct mlx5e_profile * profile,void * ppriv)765 static int mlx5e_init_rep(struct mlx5_core_dev *mdev,
766 struct net_device *netdev,
767 const struct mlx5e_profile *profile,
768 void *ppriv)
769 {
770 struct mlx5e_priv *priv = netdev_priv(netdev);
771 int err;
772
773 err = mlx5e_netdev_init(netdev, priv, mdev, profile, ppriv);
774 if (err)
775 return err;
776
777 priv->channels.params.num_channels = MLX5E_REP_PARAMS_DEF_NUM_CHANNELS;
778
779 mlx5e_build_rep_params(netdev);
780 mlx5e_build_rep_netdev(netdev);
781
782 mlx5e_timestamp_init(priv);
783
784 return 0;
785 }
786
mlx5e_cleanup_rep(struct mlx5e_priv * priv)787 static void mlx5e_cleanup_rep(struct mlx5e_priv *priv)
788 {
789 mlx5e_netdev_cleanup(priv->netdev, priv);
790 }
791
mlx5e_create_rep_ttc_table(struct mlx5e_priv * priv)792 static int mlx5e_create_rep_ttc_table(struct mlx5e_priv *priv)
793 {
794 struct mlx5e_rep_priv *rpriv = priv->ppriv;
795 struct mlx5_eswitch_rep *rep = rpriv->rep;
796 struct ttc_params ttc_params = {};
797 int tt, err;
798
799 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
800 MLX5_FLOW_NAMESPACE_KERNEL);
801
802 /* The inner_ttc in the ttc params is intentionally not set */
803 ttc_params.any_tt_tirn = priv->direct_tir[0].tirn;
804 mlx5e_set_ttc_ft_params(&ttc_params);
805
806 if (rep->vport != MLX5_VPORT_UPLINK)
807 /* To give uplik rep TTC a lower level for chaining from root ft */
808 ttc_params.ft_attr.level = MLX5E_TTC_FT_LEVEL + 1;
809
810 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
811 ttc_params.indir_tirn[tt] = priv->indir_tir[tt].tirn;
812
813 err = mlx5e_create_ttc_table(priv, &ttc_params, &priv->fs.ttc);
814 if (err) {
815 netdev_err(priv->netdev, "Failed to create rep ttc table, err=%d\n", err);
816 return err;
817 }
818 return 0;
819 }
820
mlx5e_create_rep_root_ft(struct mlx5e_priv * priv)821 static int mlx5e_create_rep_root_ft(struct mlx5e_priv *priv)
822 {
823 struct mlx5e_rep_priv *rpriv = priv->ppriv;
824 struct mlx5_eswitch_rep *rep = rpriv->rep;
825 struct mlx5_flow_table_attr ft_attr = {};
826 struct mlx5_flow_namespace *ns;
827 int err = 0;
828
829 if (rep->vport != MLX5_VPORT_UPLINK) {
830 /* non uplik reps will skip any bypass tables and go directly to
831 * their own ttc
832 */
833 rpriv->root_ft = priv->fs.ttc.ft.t;
834 return 0;
835 }
836
837 /* uplink root ft will be used to auto chain, to ethtool or ttc tables */
838 ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_OFFLOADS);
839 if (!ns) {
840 netdev_err(priv->netdev, "Failed to get reps offloads namespace\n");
841 return -EOPNOTSUPP;
842 }
843
844 ft_attr.max_fte = 0; /* Empty table, miss rule will always point to next table */
845 ft_attr.prio = 1;
846 ft_attr.level = 1;
847
848 rpriv->root_ft = mlx5_create_flow_table(ns, &ft_attr);
849 if (IS_ERR(rpriv->root_ft)) {
850 err = PTR_ERR(rpriv->root_ft);
851 rpriv->root_ft = NULL;
852 }
853
854 return err;
855 }
856
mlx5e_destroy_rep_root_ft(struct mlx5e_priv * priv)857 static void mlx5e_destroy_rep_root_ft(struct mlx5e_priv *priv)
858 {
859 struct mlx5e_rep_priv *rpriv = priv->ppriv;
860 struct mlx5_eswitch_rep *rep = rpriv->rep;
861
862 if (rep->vport != MLX5_VPORT_UPLINK)
863 return;
864 mlx5_destroy_flow_table(rpriv->root_ft);
865 }
866
mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv * priv)867 static int mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv *priv)
868 {
869 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
870 struct mlx5e_rep_priv *rpriv = priv->ppriv;
871 struct mlx5_eswitch_rep *rep = rpriv->rep;
872 struct mlx5_flow_handle *flow_rule;
873 struct mlx5_flow_destination dest;
874
875 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
876 dest.ft = rpriv->root_ft;
877
878 flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, rep->vport, &dest);
879 if (IS_ERR(flow_rule))
880 return PTR_ERR(flow_rule);
881 rpriv->vport_rx_rule = flow_rule;
882 return 0;
883 }
884
rep_vport_rx_rule_destroy(struct mlx5e_priv * priv)885 static void rep_vport_rx_rule_destroy(struct mlx5e_priv *priv)
886 {
887 struct mlx5e_rep_priv *rpriv = priv->ppriv;
888
889 if (!rpriv->vport_rx_rule)
890 return;
891
892 mlx5_del_flow_rules(rpriv->vport_rx_rule);
893 rpriv->vport_rx_rule = NULL;
894 }
895
mlx5e_rep_bond_update(struct mlx5e_priv * priv,bool cleanup)896 int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup)
897 {
898 rep_vport_rx_rule_destroy(priv);
899
900 return cleanup ? 0 : mlx5e_create_rep_vport_rx_rule(priv);
901 }
902
mlx5e_init_rep_rx(struct mlx5e_priv * priv)903 static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
904 {
905 struct mlx5_core_dev *mdev = priv->mdev;
906 int err;
907
908 mlx5e_init_l2_addr(priv);
909
910 err = mlx5e_open_drop_rq(priv, &priv->drop_rq);
911 if (err) {
912 mlx5_core_err(mdev, "open drop rq failed, %d\n", err);
913 return err;
914 }
915
916 err = mlx5e_create_indirect_rqt(priv);
917 if (err)
918 goto err_close_drop_rq;
919
920 err = mlx5e_create_direct_rqts(priv, priv->direct_tir);
921 if (err)
922 goto err_destroy_indirect_rqts;
923
924 err = mlx5e_create_indirect_tirs(priv, false);
925 if (err)
926 goto err_destroy_direct_rqts;
927
928 err = mlx5e_create_direct_tirs(priv, priv->direct_tir);
929 if (err)
930 goto err_destroy_indirect_tirs;
931
932 err = mlx5e_create_rep_ttc_table(priv);
933 if (err)
934 goto err_destroy_direct_tirs;
935
936 err = mlx5e_create_rep_root_ft(priv);
937 if (err)
938 goto err_destroy_ttc_table;
939
940 err = mlx5e_create_rep_vport_rx_rule(priv);
941 if (err)
942 goto err_destroy_root_ft;
943
944 mlx5e_ethtool_init_steering(priv);
945
946 return 0;
947
948 err_destroy_root_ft:
949 mlx5e_destroy_rep_root_ft(priv);
950 err_destroy_ttc_table:
951 mlx5e_destroy_ttc_table(priv, &priv->fs.ttc);
952 err_destroy_direct_tirs:
953 mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
954 err_destroy_indirect_tirs:
955 mlx5e_destroy_indirect_tirs(priv);
956 err_destroy_direct_rqts:
957 mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
958 err_destroy_indirect_rqts:
959 mlx5e_destroy_rqt(priv, &priv->indir_rqt);
960 err_close_drop_rq:
961 mlx5e_close_drop_rq(&priv->drop_rq);
962 return err;
963 }
964
mlx5e_cleanup_rep_rx(struct mlx5e_priv * priv)965 static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
966 {
967 mlx5e_ethtool_cleanup_steering(priv);
968 rep_vport_rx_rule_destroy(priv);
969 mlx5e_destroy_rep_root_ft(priv);
970 mlx5e_destroy_ttc_table(priv, &priv->fs.ttc);
971 mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
972 mlx5e_destroy_indirect_tirs(priv);
973 mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
974 mlx5e_destroy_rqt(priv, &priv->indir_rqt);
975 mlx5e_close_drop_rq(&priv->drop_rq);
976 }
977
mlx5e_init_ul_rep_rx(struct mlx5e_priv * priv)978 static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv)
979 {
980 mlx5e_create_q_counters(priv);
981 return mlx5e_init_rep_rx(priv);
982 }
983
mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv * priv)984 static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv)
985 {
986 mlx5e_cleanup_rep_rx(priv);
987 mlx5e_destroy_q_counters(priv);
988 }
989
mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv * rpriv)990 static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
991 {
992 struct mlx5_rep_uplink_priv *uplink_priv;
993 struct net_device *netdev;
994 struct mlx5e_priv *priv;
995 int err;
996
997 netdev = rpriv->netdev;
998 priv = netdev_priv(netdev);
999 uplink_priv = &rpriv->uplink_priv;
1000
1001 err = mlx5e_rep_tc_init(rpriv);
1002 if (err)
1003 return err;
1004
1005 mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev);
1006
1007 mlx5e_rep_bond_init(rpriv);
1008 err = mlx5e_rep_tc_netdevice_event_register(rpriv);
1009 if (err) {
1010 mlx5_core_err(priv->mdev, "Failed to register netdev notifier, err: %d\n",
1011 err);
1012 goto err_event_reg;
1013 }
1014
1015 return 0;
1016
1017 err_event_reg:
1018 mlx5e_rep_bond_cleanup(rpriv);
1019 mlx5e_rep_tc_cleanup(rpriv);
1020 return err;
1021 }
1022
mlx5e_init_rep_tx(struct mlx5e_priv * priv)1023 static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
1024 {
1025 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1026 int err;
1027
1028 err = mlx5e_create_tises(priv);
1029 if (err) {
1030 mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err);
1031 return err;
1032 }
1033
1034 if (rpriv->rep->vport == MLX5_VPORT_UPLINK) {
1035 err = mlx5e_init_uplink_rep_tx(rpriv);
1036 if (err)
1037 goto destroy_tises;
1038 }
1039
1040 return 0;
1041
1042 destroy_tises:
1043 mlx5e_destroy_tises(priv);
1044 return err;
1045 }
1046
mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv * rpriv)1047 static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
1048 {
1049 mlx5e_rep_tc_netdevice_event_unregister(rpriv);
1050 mlx5e_rep_bond_cleanup(rpriv);
1051 mlx5e_rep_tc_cleanup(rpriv);
1052 }
1053
mlx5e_cleanup_rep_tx(struct mlx5e_priv * priv)1054 static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
1055 {
1056 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1057
1058 mlx5e_destroy_tises(priv);
1059
1060 if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
1061 mlx5e_cleanup_uplink_rep_tx(rpriv);
1062 }
1063
mlx5e_rep_enable(struct mlx5e_priv * priv)1064 static void mlx5e_rep_enable(struct mlx5e_priv *priv)
1065 {
1066 mlx5e_set_netdev_mtu_boundaries(priv);
1067 }
1068
mlx5e_update_rep_rx(struct mlx5e_priv * priv)1069 static int mlx5e_update_rep_rx(struct mlx5e_priv *priv)
1070 {
1071 return 0;
1072 }
1073
uplink_rep_async_event(struct notifier_block * nb,unsigned long event,void * data)1074 static int uplink_rep_async_event(struct notifier_block *nb, unsigned long event, void *data)
1075 {
1076 struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb);
1077
1078 if (event == MLX5_EVENT_TYPE_PORT_CHANGE) {
1079 struct mlx5_eqe *eqe = data;
1080
1081 switch (eqe->sub_type) {
1082 case MLX5_PORT_CHANGE_SUBTYPE_DOWN:
1083 case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE:
1084 queue_work(priv->wq, &priv->update_carrier_work);
1085 break;
1086 default:
1087 return NOTIFY_DONE;
1088 }
1089
1090 return NOTIFY_OK;
1091 }
1092
1093 if (event == MLX5_DEV_EVENT_PORT_AFFINITY)
1094 return mlx5e_rep_tc_event_port_affinity(priv);
1095
1096 return NOTIFY_DONE;
1097 }
1098
mlx5e_uplink_rep_enable(struct mlx5e_priv * priv)1099 static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
1100 {
1101 struct net_device *netdev = priv->netdev;
1102 struct mlx5_core_dev *mdev = priv->mdev;
1103 u16 max_mtu;
1104
1105 netdev->min_mtu = ETH_MIN_MTU;
1106 mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1);
1107 netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu);
1108 mlx5e_set_dev_port_mtu(priv);
1109
1110 mlx5e_rep_tc_enable(priv);
1111
1112 mlx5_modify_vport_admin_state(mdev, MLX5_VPORT_STATE_OP_MOD_UPLINK,
1113 0, 0, MLX5_VPORT_ADMIN_STATE_AUTO);
1114 mlx5_lag_add(mdev, netdev);
1115 priv->events_nb.notifier_call = uplink_rep_async_event;
1116 mlx5_notifier_register(mdev, &priv->events_nb);
1117 mlx5e_dcbnl_initialize(priv);
1118 mlx5e_dcbnl_init_app(priv);
1119 }
1120
mlx5e_uplink_rep_disable(struct mlx5e_priv * priv)1121 static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv)
1122 {
1123 struct mlx5_core_dev *mdev = priv->mdev;
1124
1125 mlx5e_dcbnl_delete_app(priv);
1126 mlx5_notifier_unregister(mdev, &priv->events_nb);
1127 mlx5e_rep_tc_disable(priv);
1128 mlx5_lag_remove(mdev);
1129 }
1130
1131 static MLX5E_DEFINE_STATS_GRP(sw_rep, 0);
1132 static MLX5E_DEFINE_STATS_GRP(vport_rep, MLX5E_NDO_UPDATE_STATS);
1133
1134 /* The stats groups order is opposite to the update_stats() order calls */
1135 static mlx5e_stats_grp_t mlx5e_rep_stats_grps[] = {
1136 &MLX5E_STATS_GRP(sw_rep),
1137 &MLX5E_STATS_GRP(vport_rep),
1138 };
1139
mlx5e_rep_stats_grps_num(struct mlx5e_priv * priv)1140 static unsigned int mlx5e_rep_stats_grps_num(struct mlx5e_priv *priv)
1141 {
1142 return ARRAY_SIZE(mlx5e_rep_stats_grps);
1143 }
1144
1145 /* The stats groups order is opposite to the update_stats() order calls */
1146 static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = {
1147 &MLX5E_STATS_GRP(sw),
1148 &MLX5E_STATS_GRP(qcnt),
1149 &MLX5E_STATS_GRP(vnic_env),
1150 &MLX5E_STATS_GRP(vport),
1151 &MLX5E_STATS_GRP(802_3),
1152 &MLX5E_STATS_GRP(2863),
1153 &MLX5E_STATS_GRP(2819),
1154 &MLX5E_STATS_GRP(phy),
1155 &MLX5E_STATS_GRP(eth_ext),
1156 &MLX5E_STATS_GRP(pcie),
1157 &MLX5E_STATS_GRP(per_prio),
1158 &MLX5E_STATS_GRP(pme),
1159 &MLX5E_STATS_GRP(channels),
1160 &MLX5E_STATS_GRP(per_port_buff_congest),
1161 };
1162
mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv * priv)1163 static unsigned int mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv *priv)
1164 {
1165 return ARRAY_SIZE(mlx5e_ul_rep_stats_grps);
1166 }
1167
1168 static const struct mlx5e_profile mlx5e_rep_profile = {
1169 .init = mlx5e_init_rep,
1170 .cleanup = mlx5e_cleanup_rep,
1171 .init_rx = mlx5e_init_rep_rx,
1172 .cleanup_rx = mlx5e_cleanup_rep_rx,
1173 .init_tx = mlx5e_init_rep_tx,
1174 .cleanup_tx = mlx5e_cleanup_rep_tx,
1175 .enable = mlx5e_rep_enable,
1176 .update_rx = mlx5e_update_rep_rx,
1177 .update_stats = mlx5e_stats_update_ndo_stats,
1178 .rx_handlers = &mlx5e_rx_handlers_rep,
1179 .max_tc = 1,
1180 .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR),
1181 .stats_grps = mlx5e_rep_stats_grps,
1182 .stats_grps_num = mlx5e_rep_stats_grps_num,
1183 };
1184
1185 static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
1186 .init = mlx5e_init_rep,
1187 .cleanup = mlx5e_cleanup_rep,
1188 .init_rx = mlx5e_init_ul_rep_rx,
1189 .cleanup_rx = mlx5e_cleanup_ul_rep_rx,
1190 .init_tx = mlx5e_init_rep_tx,
1191 .cleanup_tx = mlx5e_cleanup_rep_tx,
1192 .enable = mlx5e_uplink_rep_enable,
1193 .disable = mlx5e_uplink_rep_disable,
1194 .update_rx = mlx5e_update_rep_rx,
1195 .update_stats = mlx5e_stats_update_ndo_stats,
1196 .update_carrier = mlx5e_update_carrier,
1197 .rx_handlers = &mlx5e_rx_handlers_rep,
1198 .max_tc = MLX5E_MAX_NUM_TC,
1199 .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR),
1200 .stats_grps = mlx5e_ul_rep_stats_grps,
1201 .stats_grps_num = mlx5e_ul_rep_stats_grps_num,
1202 };
1203
1204 /* e-Switch vport representors */
1205 static int
mlx5e_vport_rep_load(struct mlx5_core_dev * dev,struct mlx5_eswitch_rep * rep)1206 mlx5e_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
1207 {
1208 const struct mlx5e_profile *profile;
1209 struct mlx5e_rep_priv *rpriv;
1210 struct devlink_port *dl_port;
1211 struct net_device *netdev;
1212 int nch, err;
1213
1214 rpriv = kzalloc(sizeof(*rpriv), GFP_KERNEL);
1215 if (!rpriv)
1216 return -ENOMEM;
1217
1218 /* rpriv->rep to be looked up when profile->init() is called */
1219 rpriv->rep = rep;
1220
1221 nch = mlx5e_get_max_num_channels(dev);
1222 profile = (rep->vport == MLX5_VPORT_UPLINK) ?
1223 &mlx5e_uplink_rep_profile : &mlx5e_rep_profile;
1224 netdev = mlx5e_create_netdev(dev, profile, nch, rpriv);
1225 if (!netdev) {
1226 mlx5_core_warn(dev,
1227 "Failed to create representor netdev for vport %d\n",
1228 rep->vport);
1229 kfree(rpriv);
1230 return -EINVAL;
1231 }
1232
1233 dev_net_set(netdev, mlx5_core_net(dev));
1234 rpriv->netdev = netdev;
1235 rep->rep_data[REP_ETH].priv = rpriv;
1236 INIT_LIST_HEAD(&rpriv->vport_sqs_list);
1237
1238 if (rep->vport == MLX5_VPORT_UPLINK) {
1239 err = mlx5e_create_mdev_resources(dev);
1240 if (err)
1241 goto err_destroy_netdev;
1242 }
1243
1244 err = mlx5e_attach_netdev(netdev_priv(netdev));
1245 if (err) {
1246 netdev_warn(netdev,
1247 "Failed to attach representor netdev for vport %d\n",
1248 rep->vport);
1249 goto err_destroy_mdev_resources;
1250 }
1251
1252 err = mlx5e_rep_neigh_init(rpriv);
1253 if (err) {
1254 netdev_warn(netdev,
1255 "Failed to initialized neighbours handling for vport %d\n",
1256 rep->vport);
1257 goto err_detach_netdev;
1258 }
1259
1260 err = register_netdev(netdev);
1261 if (err) {
1262 netdev_warn(netdev,
1263 "Failed to register representor netdev for vport %d\n",
1264 rep->vport);
1265 goto err_neigh_cleanup;
1266 }
1267
1268 dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport);
1269 if (dl_port)
1270 devlink_port_type_eth_set(dl_port, netdev);
1271 return 0;
1272
1273 err_neigh_cleanup:
1274 mlx5e_rep_neigh_cleanup(rpriv);
1275
1276 err_detach_netdev:
1277 mlx5e_detach_netdev(netdev_priv(netdev));
1278
1279 err_destroy_mdev_resources:
1280 if (rep->vport == MLX5_VPORT_UPLINK)
1281 mlx5e_destroy_mdev_resources(dev);
1282
1283 err_destroy_netdev:
1284 mlx5e_destroy_netdev(netdev_priv(netdev));
1285 kfree(rpriv);
1286 return err;
1287 }
1288
1289 static void
mlx5e_vport_rep_unload(struct mlx5_eswitch_rep * rep)1290 mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
1291 {
1292 struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
1293 struct net_device *netdev = rpriv->netdev;
1294 struct mlx5e_priv *priv = netdev_priv(netdev);
1295 struct mlx5_core_dev *dev = priv->mdev;
1296 struct devlink_port *dl_port;
1297 void *ppriv = priv->ppriv;
1298
1299 dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport);
1300 if (dl_port)
1301 devlink_port_type_clear(dl_port);
1302 unregister_netdev(netdev);
1303 mlx5e_rep_neigh_cleanup(rpriv);
1304 mlx5e_detach_netdev(priv);
1305 if (rep->vport == MLX5_VPORT_UPLINK)
1306 mlx5e_destroy_mdev_resources(priv->mdev);
1307 mlx5e_destroy_netdev(priv);
1308 kfree(ppriv); /* mlx5e_rep_priv */
1309 }
1310
mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep * rep)1311 static void *mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep *rep)
1312 {
1313 struct mlx5e_rep_priv *rpriv;
1314
1315 rpriv = mlx5e_rep_to_rep_priv(rep);
1316
1317 return rpriv->netdev;
1318 }
1319
1320 static const struct mlx5_eswitch_rep_ops rep_ops = {
1321 .load = mlx5e_vport_rep_load,
1322 .unload = mlx5e_vport_rep_unload,
1323 .get_proto_dev = mlx5e_vport_rep_get_proto_dev
1324 };
1325
mlx5e_rep_register_vport_reps(struct mlx5_core_dev * mdev)1326 void mlx5e_rep_register_vport_reps(struct mlx5_core_dev *mdev)
1327 {
1328 struct mlx5_eswitch *esw = mdev->priv.eswitch;
1329
1330 mlx5_eswitch_register_vport_reps(esw, &rep_ops, REP_ETH);
1331 }
1332
mlx5e_rep_unregister_vport_reps(struct mlx5_core_dev * mdev)1333 void mlx5e_rep_unregister_vport_reps(struct mlx5_core_dev *mdev)
1334 {
1335 struct mlx5_eswitch *esw = mdev->priv.eswitch;
1336
1337 mlx5_eswitch_unregister_vport_reps(esw, REP_ETH);
1338 }
1339