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 <linux/debugfs.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/params.h"
45 #include "en/txrx.h"
46 #include "en_tc.h"
47 #include "en/rep/tc.h"
48 #include "en/rep/neigh.h"
49 #include "en/rep/bridge.h"
50 #include "en/devlink.h"
51 #include "fs_core.h"
52 #include "lib/mlx5.h"
53 #include "lib/devcom.h"
54 #include "lib/vxlan.h"
55 #define CREATE_TRACE_POINTS
56 #include "diag/en_rep_tracepoint.h"
57 #include "diag/reporter_vnic.h"
58 #include "en_accel/ipsec.h"
59 #include "en/tc/int_port.h"
60 #include "en/ptp.h"
61 #include "en/fs_ethtool.h"
62
63 #define MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE \
64 max(0x7, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)
65 #define MLX5E_REP_PARAMS_DEF_NUM_CHANNELS 1
66
67 static const char mlx5e_rep_driver_name[] = "mlx5e_rep";
68
mlx5e_rep_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)69 static void mlx5e_rep_get_drvinfo(struct net_device *dev,
70 struct ethtool_drvinfo *drvinfo)
71 {
72 struct mlx5e_priv *priv = netdev_priv(dev);
73 struct mlx5_core_dev *mdev = priv->mdev;
74 int count;
75
76 strscpy(drvinfo->driver, mlx5e_rep_driver_name,
77 sizeof(drvinfo->driver));
78 count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
79 "%d.%d.%04d (%.16s)", fw_rev_maj(mdev),
80 fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id);
81 if (count >= sizeof(drvinfo->fw_version))
82 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
83 "%d.%d.%04d", fw_rev_maj(mdev),
84 fw_rev_min(mdev), fw_rev_sub(mdev));
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 static const struct counter_desc vport_rep_stats_desc[] = {
95 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_rx_packets) },
96 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_rx_bytes) },
97 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_tx_packets) },
98 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, vport_tx_bytes) },
99 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
100 rx_vport_rdma_unicast_packets) },
101 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, rx_vport_rdma_unicast_bytes) },
102 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
103 tx_vport_rdma_unicast_packets) },
104 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats, tx_vport_rdma_unicast_bytes) },
105 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
106 rx_vport_rdma_multicast_packets) },
107 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
108 rx_vport_rdma_multicast_bytes) },
109 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
110 tx_vport_rdma_multicast_packets) },
111 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
112 tx_vport_rdma_multicast_bytes) },
113 };
114
115 static const struct counter_desc vport_rep_loopback_stats_desc[] = {
116 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
117 vport_loopback_packets) },
118 { MLX5E_DECLARE_STAT(struct mlx5e_rep_stats,
119 vport_loopback_bytes) },
120 };
121
122 #define NUM_VPORT_REP_SW_COUNTERS ARRAY_SIZE(sw_rep_stats_desc)
123 #define NUM_VPORT_REP_HW_COUNTERS ARRAY_SIZE(vport_rep_stats_desc)
124 #define NUM_VPORT_REP_LOOPBACK_COUNTERS(dev) \
125 (MLX5_CAP_GEN(dev, vport_counter_local_loopback) ? \
126 ARRAY_SIZE(vport_rep_loopback_stats_desc) : 0)
127
MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep)128 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep)
129 {
130 return NUM_VPORT_REP_SW_COUNTERS;
131 }
132
MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep)133 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep)
134 {
135 int i;
136
137 for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
138 strcpy(data + (idx++) * ETH_GSTRING_LEN,
139 sw_rep_stats_desc[i].format);
140 return idx;
141 }
142
MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep)143 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep)
144 {
145 int i;
146
147 for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
148 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
149 sw_rep_stats_desc, i);
150 return idx;
151 }
152
MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep)153 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep)
154 {
155 struct mlx5e_sw_stats *s = &priv->stats.sw;
156 struct rtnl_link_stats64 stats64 = {};
157
158 memset(s, 0, sizeof(*s));
159 mlx5e_fold_sw_stats64(priv, &stats64);
160
161 s->rx_packets = stats64.rx_packets;
162 s->rx_bytes = stats64.rx_bytes;
163 s->tx_packets = stats64.tx_packets;
164 s->tx_bytes = stats64.tx_bytes;
165 s->tx_queue_dropped = stats64.tx_dropped;
166 }
167
MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep)168 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep)
169 {
170 return NUM_VPORT_REP_HW_COUNTERS +
171 NUM_VPORT_REP_LOOPBACK_COUNTERS(priv->mdev);
172 }
173
MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep)174 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep)
175 {
176 int i;
177
178 for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
179 strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_rep_stats_desc[i].format);
180 for (i = 0; i < NUM_VPORT_REP_LOOPBACK_COUNTERS(priv->mdev); i++)
181 strcpy(data + (idx++) * ETH_GSTRING_LEN,
182 vport_rep_loopback_stats_desc[i].format);
183 return idx;
184 }
185
MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep)186 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep)
187 {
188 int i;
189
190 for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++)
191 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.rep_stats,
192 vport_rep_stats_desc, i);
193 for (i = 0; i < NUM_VPORT_REP_LOOPBACK_COUNTERS(priv->mdev); i++)
194 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.rep_stats,
195 vport_rep_loopback_stats_desc, i);
196 return idx;
197 }
198
MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)199 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep)
200 {
201 struct mlx5e_rep_stats *rep_stats = &priv->stats.rep_stats;
202 int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
203 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
204 struct mlx5e_rep_priv *rpriv = priv->ppriv;
205 struct mlx5_eswitch_rep *rep = rpriv->rep;
206 u32 *out;
207 int err;
208
209 out = kvzalloc(outlen, GFP_KERNEL);
210 if (!out)
211 return;
212
213 err = mlx5_core_query_vport_counter(esw->dev, 1, rep->vport - 1, 0, out);
214 if (err) {
215 netdev_warn(priv->netdev, "vport %d error %d reading stats\n",
216 rep->vport, err);
217 goto out;
218 }
219
220 #define MLX5_GET_CTR(p, x) \
221 MLX5_GET64(query_vport_counter_out, p, x)
222 /* flip tx/rx as we are reporting the counters for the switch vport */
223 rep_stats->vport_rx_packets =
224 MLX5_GET_CTR(out, transmitted_ib_unicast.packets) +
225 MLX5_GET_CTR(out, transmitted_eth_unicast.packets) +
226 MLX5_GET_CTR(out, transmitted_ib_multicast.packets) +
227 MLX5_GET_CTR(out, transmitted_eth_multicast.packets) +
228 MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
229
230 rep_stats->vport_tx_packets =
231 MLX5_GET_CTR(out, received_ib_unicast.packets) +
232 MLX5_GET_CTR(out, received_eth_unicast.packets) +
233 MLX5_GET_CTR(out, received_ib_multicast.packets) +
234 MLX5_GET_CTR(out, received_eth_multicast.packets) +
235 MLX5_GET_CTR(out, received_eth_broadcast.packets);
236
237 rep_stats->vport_rx_bytes =
238 MLX5_GET_CTR(out, transmitted_ib_unicast.octets) +
239 MLX5_GET_CTR(out, transmitted_eth_unicast.octets) +
240 MLX5_GET_CTR(out, transmitted_ib_multicast.octets) +
241 MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
242
243 rep_stats->vport_tx_bytes =
244 MLX5_GET_CTR(out, received_ib_unicast.octets) +
245 MLX5_GET_CTR(out, received_eth_unicast.octets) +
246 MLX5_GET_CTR(out, received_ib_multicast.octets) +
247 MLX5_GET_CTR(out, received_eth_multicast.octets) +
248 MLX5_GET_CTR(out, received_eth_broadcast.octets);
249
250 rep_stats->rx_vport_rdma_unicast_packets =
251 MLX5_GET_CTR(out, transmitted_ib_unicast.packets);
252 rep_stats->tx_vport_rdma_unicast_packets =
253 MLX5_GET_CTR(out, received_ib_unicast.packets);
254 rep_stats->rx_vport_rdma_unicast_bytes =
255 MLX5_GET_CTR(out, transmitted_ib_unicast.octets);
256 rep_stats->tx_vport_rdma_unicast_bytes =
257 MLX5_GET_CTR(out, received_ib_unicast.octets);
258 rep_stats->rx_vport_rdma_multicast_packets =
259 MLX5_GET_CTR(out, transmitted_ib_multicast.packets);
260 rep_stats->tx_vport_rdma_multicast_packets =
261 MLX5_GET_CTR(out, received_ib_multicast.packets);
262 rep_stats->rx_vport_rdma_multicast_bytes =
263 MLX5_GET_CTR(out, transmitted_ib_multicast.octets);
264 rep_stats->tx_vport_rdma_multicast_bytes =
265 MLX5_GET_CTR(out, received_ib_multicast.octets);
266
267 if (MLX5_CAP_GEN(priv->mdev, vport_counter_local_loopback)) {
268 rep_stats->vport_loopback_packets =
269 MLX5_GET_CTR(out, local_loopback.packets);
270 rep_stats->vport_loopback_bytes =
271 MLX5_GET_CTR(out, local_loopback.octets);
272 }
273
274 out:
275 kvfree(out);
276 }
277
mlx5e_rep_get_strings(struct net_device * dev,u32 stringset,uint8_t * data)278 static void mlx5e_rep_get_strings(struct net_device *dev,
279 u32 stringset, uint8_t *data)
280 {
281 struct mlx5e_priv *priv = netdev_priv(dev);
282
283 switch (stringset) {
284 case ETH_SS_STATS:
285 mlx5e_stats_fill_strings(priv, data);
286 break;
287 }
288 }
289
mlx5e_rep_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)290 static void mlx5e_rep_get_ethtool_stats(struct net_device *dev,
291 struct ethtool_stats *stats, u64 *data)
292 {
293 struct mlx5e_priv *priv = netdev_priv(dev);
294
295 mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
296 }
297
mlx5e_rep_get_sset_count(struct net_device * dev,int sset)298 static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset)
299 {
300 struct mlx5e_priv *priv = netdev_priv(dev);
301
302 switch (sset) {
303 case ETH_SS_STATS:
304 return mlx5e_stats_total_num(priv);
305 default:
306 return -EOPNOTSUPP;
307 }
308 }
309
310 static void
mlx5e_rep_get_ringparam(struct net_device * dev,struct ethtool_ringparam * param,struct kernel_ethtool_ringparam * kernel_param,struct netlink_ext_ack * extack)311 mlx5e_rep_get_ringparam(struct net_device *dev,
312 struct ethtool_ringparam *param,
313 struct kernel_ethtool_ringparam *kernel_param,
314 struct netlink_ext_ack *extack)
315 {
316 struct mlx5e_priv *priv = netdev_priv(dev);
317
318 mlx5e_ethtool_get_ringparam(priv, param, kernel_param);
319 }
320
321 static int
mlx5e_rep_set_ringparam(struct net_device * dev,struct ethtool_ringparam * param,struct kernel_ethtool_ringparam * kernel_param,struct netlink_ext_ack * extack)322 mlx5e_rep_set_ringparam(struct net_device *dev,
323 struct ethtool_ringparam *param,
324 struct kernel_ethtool_ringparam *kernel_param,
325 struct netlink_ext_ack *extack)
326 {
327 struct mlx5e_priv *priv = netdev_priv(dev);
328
329 return mlx5e_ethtool_set_ringparam(priv, param);
330 }
331
mlx5e_rep_get_channels(struct net_device * dev,struct ethtool_channels * ch)332 static void mlx5e_rep_get_channels(struct net_device *dev,
333 struct ethtool_channels *ch)
334 {
335 struct mlx5e_priv *priv = netdev_priv(dev);
336
337 mlx5e_ethtool_get_channels(priv, ch);
338 }
339
mlx5e_rep_set_channels(struct net_device * dev,struct ethtool_channels * ch)340 static int mlx5e_rep_set_channels(struct net_device *dev,
341 struct ethtool_channels *ch)
342 {
343 struct mlx5e_priv *priv = netdev_priv(dev);
344
345 return mlx5e_ethtool_set_channels(priv, ch);
346 }
347
mlx5e_rep_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)348 static int mlx5e_rep_get_coalesce(struct net_device *netdev,
349 struct ethtool_coalesce *coal,
350 struct kernel_ethtool_coalesce *kernel_coal,
351 struct netlink_ext_ack *extack)
352 {
353 struct mlx5e_priv *priv = netdev_priv(netdev);
354
355 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal);
356 }
357
mlx5e_rep_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)358 static int mlx5e_rep_set_coalesce(struct net_device *netdev,
359 struct ethtool_coalesce *coal,
360 struct kernel_ethtool_coalesce *kernel_coal,
361 struct netlink_ext_ack *extack)
362 {
363 struct mlx5e_priv *priv = netdev_priv(netdev);
364
365 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack);
366 }
367
mlx5e_rep_get_rxfh_key_size(struct net_device * netdev)368 static u32 mlx5e_rep_get_rxfh_key_size(struct net_device *netdev)
369 {
370 struct mlx5e_priv *priv = netdev_priv(netdev);
371
372 return mlx5e_ethtool_get_rxfh_key_size(priv);
373 }
374
mlx5e_rep_get_rxfh_indir_size(struct net_device * netdev)375 static u32 mlx5e_rep_get_rxfh_indir_size(struct net_device *netdev)
376 {
377 struct mlx5e_priv *priv = netdev_priv(netdev);
378
379 return mlx5e_ethtool_get_rxfh_indir_size(priv);
380 }
381
382 static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
383 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
384 ETHTOOL_COALESCE_MAX_FRAMES |
385 ETHTOOL_COALESCE_USE_ADAPTIVE,
386 .get_drvinfo = mlx5e_rep_get_drvinfo,
387 .get_link = ethtool_op_get_link,
388 .get_strings = mlx5e_rep_get_strings,
389 .get_sset_count = mlx5e_rep_get_sset_count,
390 .get_ethtool_stats = mlx5e_rep_get_ethtool_stats,
391 .get_ringparam = mlx5e_rep_get_ringparam,
392 .set_ringparam = mlx5e_rep_set_ringparam,
393 .get_channels = mlx5e_rep_get_channels,
394 .set_channels = mlx5e_rep_set_channels,
395 .get_coalesce = mlx5e_rep_get_coalesce,
396 .set_coalesce = mlx5e_rep_set_coalesce,
397 .get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size,
398 .get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size,
399 };
400
mlx5e_sqs2vport_stop(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep)401 static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw,
402 struct mlx5_eswitch_rep *rep)
403 {
404 struct mlx5e_rep_sq *rep_sq, *tmp;
405 struct mlx5e_rep_sq_peer *sq_peer;
406 struct mlx5e_rep_priv *rpriv;
407 unsigned long i;
408
409 if (esw->mode != MLX5_ESWITCH_OFFLOADS)
410 return;
411
412 rpriv = mlx5e_rep_to_rep_priv(rep);
413 list_for_each_entry_safe(rep_sq, tmp, &rpriv->vport_sqs_list, list) {
414 mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
415 xa_for_each(&rep_sq->sq_peer, i, sq_peer) {
416 if (sq_peer->rule)
417 mlx5_eswitch_del_send_to_vport_rule(sq_peer->rule);
418
419 xa_erase(&rep_sq->sq_peer, i);
420 kfree(sq_peer);
421 }
422
423 xa_destroy(&rep_sq->sq_peer);
424 list_del(&rep_sq->list);
425 kfree(rep_sq);
426 }
427 }
428
mlx5e_sqs2vport_add_peers_rules(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep,struct mlx5e_rep_sq * rep_sq,int i)429 static int mlx5e_sqs2vport_add_peers_rules(struct mlx5_eswitch *esw, struct mlx5_eswitch_rep *rep,
430 struct mlx5e_rep_sq *rep_sq, int i)
431 {
432 struct mlx5_flow_handle *flow_rule;
433 struct mlx5_devcom_comp_dev *tmp;
434 struct mlx5_eswitch *peer_esw;
435
436 mlx5_devcom_for_each_peer_entry(esw->devcom, peer_esw, tmp) {
437 u16 peer_rule_idx = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
438 struct mlx5e_rep_sq_peer *sq_peer;
439 int err;
440
441 sq_peer = kzalloc(sizeof(*sq_peer), GFP_KERNEL);
442 if (!sq_peer)
443 return -ENOMEM;
444
445 flow_rule = mlx5_eswitch_add_send_to_vport_rule(peer_esw, esw,
446 rep, rep_sq->sqn);
447 if (IS_ERR(flow_rule)) {
448 kfree(sq_peer);
449 return PTR_ERR(flow_rule);
450 }
451
452 sq_peer->rule = flow_rule;
453 sq_peer->peer = peer_esw;
454 err = xa_insert(&rep_sq->sq_peer, peer_rule_idx, sq_peer, GFP_KERNEL);
455 if (err) {
456 kfree(sq_peer);
457 mlx5_eswitch_del_send_to_vport_rule(flow_rule);
458 return err;
459 }
460 }
461
462 return 0;
463 }
464
mlx5e_sqs2vport_start(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep,u32 * sqns_array,int sqns_num)465 static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw,
466 struct mlx5_eswitch_rep *rep,
467 u32 *sqns_array, int sqns_num)
468 {
469 struct mlx5_flow_handle *flow_rule;
470 struct mlx5e_rep_priv *rpriv;
471 struct mlx5e_rep_sq *rep_sq;
472 bool devcom_locked = false;
473 int err;
474 int i;
475
476 if (esw->mode != MLX5_ESWITCH_OFFLOADS)
477 return 0;
478
479 rpriv = mlx5e_rep_to_rep_priv(rep);
480
481 if (mlx5_devcom_comp_is_ready(esw->devcom) &&
482 mlx5_devcom_for_each_peer_begin(esw->devcom))
483 devcom_locked = true;
484
485 for (i = 0; i < sqns_num; i++) {
486 rep_sq = kzalloc(sizeof(*rep_sq), GFP_KERNEL);
487 if (!rep_sq) {
488 err = -ENOMEM;
489 goto out_err;
490 }
491
492 /* Add re-inject rule to the PF/representor sqs */
493 flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, esw, rep,
494 sqns_array[i]);
495 if (IS_ERR(flow_rule)) {
496 err = PTR_ERR(flow_rule);
497 kfree(rep_sq);
498 goto out_err;
499 }
500 rep_sq->send_to_vport_rule = flow_rule;
501 rep_sq->sqn = sqns_array[i];
502
503 xa_init(&rep_sq->sq_peer);
504 if (devcom_locked) {
505 err = mlx5e_sqs2vport_add_peers_rules(esw, rep, rep_sq, i);
506 if (err) {
507 mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
508 xa_destroy(&rep_sq->sq_peer);
509 kfree(rep_sq);
510 goto out_err;
511 }
512 }
513
514 list_add(&rep_sq->list, &rpriv->vport_sqs_list);
515 }
516
517 if (devcom_locked)
518 mlx5_devcom_for_each_peer_end(esw->devcom);
519
520 return 0;
521
522 out_err:
523 mlx5e_sqs2vport_stop(esw, rep);
524
525 if (devcom_locked)
526 mlx5_devcom_for_each_peer_end(esw->devcom);
527
528 return err;
529 }
530
531 static int
mlx5e_add_sqs_fwd_rules(struct mlx5e_priv * priv)532 mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv)
533 {
534 int sqs_per_channel = mlx5e_get_dcb_num_tc(&priv->channels.params);
535 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
536 bool is_uplink_rep = mlx5e_is_uplink_rep(priv);
537 struct mlx5e_rep_priv *rpriv = priv->ppriv;
538 struct mlx5_eswitch_rep *rep = rpriv->rep;
539 int n, tc, nch, num_sqs = 0;
540 struct mlx5e_channel *c;
541 int err = -ENOMEM;
542 bool ptp_sq;
543 u32 *sqs;
544
545 ptp_sq = !!(priv->channels.ptp &&
546 MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_PORT_TS));
547 nch = priv->channels.num + ptp_sq;
548 /* +2 for xdpsqs, they don't exist on the ptp channel but will not be
549 * counted for by num_sqs.
550 */
551 if (is_uplink_rep)
552 sqs_per_channel += 2;
553
554 sqs = kvcalloc(nch * sqs_per_channel, sizeof(*sqs), GFP_KERNEL);
555 if (!sqs)
556 goto out;
557
558 for (n = 0; n < priv->channels.num; n++) {
559 c = priv->channels.c[n];
560 for (tc = 0; tc < c->num_tc; tc++)
561 sqs[num_sqs++] = c->sq[tc].sqn;
562
563 if (is_uplink_rep) {
564 if (c->xdp)
565 sqs[num_sqs++] = c->rq_xdpsq.sqn;
566
567 sqs[num_sqs++] = c->xdpsq.sqn;
568 }
569 }
570 if (ptp_sq) {
571 struct mlx5e_ptp *ptp_ch = priv->channels.ptp;
572
573 for (tc = 0; tc < ptp_ch->num_tc; tc++)
574 sqs[num_sqs++] = ptp_ch->ptpsq[tc].txqsq.sqn;
575 }
576
577 err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs);
578 kvfree(sqs);
579
580 out:
581 if (err)
582 netdev_warn(priv->netdev, "Failed to add SQs FWD rules %d\n", err);
583 return err;
584 }
585
586 static void
mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv * priv)587 mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv)
588 {
589 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
590 struct mlx5e_rep_priv *rpriv = priv->ppriv;
591 struct mlx5_eswitch_rep *rep = rpriv->rep;
592
593 mlx5e_sqs2vport_stop(esw, rep);
594 }
595
596 static int
mlx5e_rep_add_meta_tunnel_rule(struct mlx5e_priv * priv)597 mlx5e_rep_add_meta_tunnel_rule(struct mlx5e_priv *priv)
598 {
599 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
600 struct mlx5e_rep_priv *rpriv = priv->ppriv;
601 struct mlx5_eswitch_rep *rep = rpriv->rep;
602 struct mlx5_flow_handle *flow_rule;
603 struct mlx5_flow_group *g;
604
605 g = esw->fdb_table.offloads.send_to_vport_meta_grp;
606 if (!g)
607 return 0;
608
609 flow_rule = mlx5_eswitch_add_send_to_vport_meta_rule(esw, rep->vport);
610 if (IS_ERR(flow_rule))
611 return PTR_ERR(flow_rule);
612
613 rpriv->send_to_vport_meta_rule = flow_rule;
614
615 return 0;
616 }
617
618 static void
mlx5e_rep_del_meta_tunnel_rule(struct mlx5e_priv * priv)619 mlx5e_rep_del_meta_tunnel_rule(struct mlx5e_priv *priv)
620 {
621 struct mlx5e_rep_priv *rpriv = priv->ppriv;
622
623 if (rpriv->send_to_vport_meta_rule)
624 mlx5_eswitch_del_send_to_vport_meta_rule(rpriv->send_to_vport_meta_rule);
625 }
626
mlx5e_rep_activate_channels(struct mlx5e_priv * priv)627 void mlx5e_rep_activate_channels(struct mlx5e_priv *priv)
628 {
629 mlx5e_add_sqs_fwd_rules(priv);
630 mlx5e_rep_add_meta_tunnel_rule(priv);
631 }
632
mlx5e_rep_deactivate_channels(struct mlx5e_priv * priv)633 void mlx5e_rep_deactivate_channels(struct mlx5e_priv *priv)
634 {
635 mlx5e_rep_del_meta_tunnel_rule(priv);
636 mlx5e_remove_sqs_fwd_rules(priv);
637 }
638
mlx5e_rep_open(struct net_device * dev)639 static int mlx5e_rep_open(struct net_device *dev)
640 {
641 struct mlx5e_priv *priv = netdev_priv(dev);
642 struct mlx5e_rep_priv *rpriv = priv->ppriv;
643 struct mlx5_eswitch_rep *rep = rpriv->rep;
644 int err;
645
646 mutex_lock(&priv->state_lock);
647 err = mlx5e_open_locked(dev);
648 if (err)
649 goto unlock;
650
651 if (!mlx5_modify_vport_admin_state(priv->mdev,
652 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
653 rep->vport, 1,
654 MLX5_VPORT_ADMIN_STATE_UP))
655 netif_carrier_on(dev);
656
657 unlock:
658 mutex_unlock(&priv->state_lock);
659 return err;
660 }
661
mlx5e_rep_close(struct net_device * dev)662 static int mlx5e_rep_close(struct net_device *dev)
663 {
664 struct mlx5e_priv *priv = netdev_priv(dev);
665 struct mlx5e_rep_priv *rpriv = priv->ppriv;
666 struct mlx5_eswitch_rep *rep = rpriv->rep;
667 int ret;
668
669 mutex_lock(&priv->state_lock);
670 mlx5_modify_vport_admin_state(priv->mdev,
671 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
672 rep->vport, 1,
673 MLX5_VPORT_ADMIN_STATE_DOWN);
674 ret = mlx5e_close_locked(dev);
675 mutex_unlock(&priv->state_lock);
676 return ret;
677 }
678
mlx5e_is_uplink_rep(struct mlx5e_priv * priv)679 bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
680 {
681 struct mlx5e_rep_priv *rpriv = priv->ppriv;
682 struct mlx5_eswitch_rep *rep;
683
684 if (!MLX5_ESWITCH_MANAGER(priv->mdev))
685 return false;
686
687 if (!rpriv) /* non vport rep mlx5e instances don't use this field */
688 return false;
689
690 rep = rpriv->rep;
691 return (rep->vport == MLX5_VPORT_UPLINK);
692 }
693
mlx5e_rep_has_offload_stats(const struct net_device * dev,int attr_id)694 bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id)
695 {
696 switch (attr_id) {
697 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
698 return true;
699 }
700
701 return false;
702 }
703
704 static int
mlx5e_get_sw_stats64(const struct net_device * dev,struct rtnl_link_stats64 * stats)705 mlx5e_get_sw_stats64(const struct net_device *dev,
706 struct rtnl_link_stats64 *stats)
707 {
708 struct mlx5e_priv *priv = netdev_priv(dev);
709
710 mlx5e_fold_sw_stats64(priv, stats);
711 return 0;
712 }
713
mlx5e_rep_get_offload_stats(int attr_id,const struct net_device * dev,void * sp)714 int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
715 void *sp)
716 {
717 switch (attr_id) {
718 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
719 return mlx5e_get_sw_stats64(dev, sp);
720 }
721
722 return -EINVAL;
723 }
724
725 static void
mlx5e_rep_get_stats(struct net_device * dev,struct rtnl_link_stats64 * stats)726 mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
727 {
728 struct mlx5e_priv *priv = netdev_priv(dev);
729
730 /* update HW stats in background for next time */
731 mlx5e_queue_update_stats(priv);
732 mlx5e_stats_copy_rep_stats(stats, &priv->stats.rep_stats);
733 }
734
mlx5e_rep_change_mtu(struct net_device * netdev,int new_mtu)735 static int mlx5e_rep_change_mtu(struct net_device *netdev, int new_mtu)
736 {
737 return mlx5e_change_mtu(netdev, new_mtu, NULL);
738 }
739
mlx5e_rep_change_carrier(struct net_device * dev,bool new_carrier)740 static int mlx5e_rep_change_carrier(struct net_device *dev, bool new_carrier)
741 {
742 struct mlx5e_priv *priv = netdev_priv(dev);
743 struct mlx5e_rep_priv *rpriv = priv->ppriv;
744 struct mlx5_eswitch_rep *rep = rpriv->rep;
745 int err;
746
747 if (new_carrier) {
748 err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
749 rep->vport, 1, MLX5_VPORT_ADMIN_STATE_UP);
750 if (err)
751 return err;
752 netif_carrier_on(dev);
753 } else {
754 err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
755 rep->vport, 1, MLX5_VPORT_ADMIN_STATE_DOWN);
756 if (err)
757 return err;
758 netif_carrier_off(dev);
759 }
760 return 0;
761 }
762
763 static const struct net_device_ops mlx5e_netdev_ops_rep = {
764 .ndo_open = mlx5e_rep_open,
765 .ndo_stop = mlx5e_rep_close,
766 .ndo_start_xmit = mlx5e_xmit,
767 .ndo_setup_tc = mlx5e_rep_setup_tc,
768 .ndo_get_stats64 = mlx5e_rep_get_stats,
769 .ndo_has_offload_stats = mlx5e_rep_has_offload_stats,
770 .ndo_get_offload_stats = mlx5e_rep_get_offload_stats,
771 .ndo_change_mtu = mlx5e_rep_change_mtu,
772 .ndo_change_carrier = mlx5e_rep_change_carrier,
773 };
774
mlx5e_eswitch_uplink_rep(const struct net_device * netdev)775 bool mlx5e_eswitch_uplink_rep(const struct net_device *netdev)
776 {
777 return netdev->netdev_ops == &mlx5e_netdev_ops &&
778 mlx5e_is_uplink_rep(netdev_priv(netdev));
779 }
780
mlx5e_eswitch_vf_rep(const struct net_device * netdev)781 bool mlx5e_eswitch_vf_rep(const struct net_device *netdev)
782 {
783 return netdev->netdev_ops == &mlx5e_netdev_ops_rep;
784 }
785
786 /* One indirect TIR set for outer. Inner not supported in reps. */
787 #define REP_NUM_INDIR_TIRS MLX5E_NUM_INDIR_TIRS
788
mlx5e_rep_max_nch_limit(struct mlx5_core_dev * mdev)789 static int mlx5e_rep_max_nch_limit(struct mlx5_core_dev *mdev)
790 {
791 int max_tir_num = 1 << MLX5_CAP_GEN(mdev, log_max_tir);
792 int num_vports = mlx5_eswitch_get_total_vports(mdev);
793
794 return (max_tir_num - mlx5e_get_pf_num_tirs(mdev)
795 - (num_vports * REP_NUM_INDIR_TIRS)) / num_vports;
796 }
797
mlx5e_build_rep_params(struct net_device * netdev)798 static void mlx5e_build_rep_params(struct net_device *netdev)
799 {
800 const bool take_rtnl = netdev->reg_state == NETREG_REGISTERED;
801 struct mlx5e_priv *priv = netdev_priv(netdev);
802 struct mlx5e_rep_priv *rpriv = priv->ppriv;
803 struct mlx5_eswitch_rep *rep = rpriv->rep;
804 struct mlx5_core_dev *mdev = priv->mdev;
805 struct mlx5e_params *params;
806
807 u8 cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
808 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
809 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
810
811 params = &priv->channels.params;
812
813 params->num_channels = MLX5E_REP_PARAMS_DEF_NUM_CHANNELS;
814 params->hard_mtu = MLX5E_ETH_HARD_MTU;
815 params->sw_mtu = netdev->mtu;
816
817 /* SQ */
818 if (rep->vport == MLX5_VPORT_UPLINK)
819 params->log_sq_size = MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
820 else
821 params->log_sq_size = MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE;
822
823 /* RQ */
824 mlx5e_build_rq_params(mdev, params);
825
826 /* If netdev is already registered (e.g. move from nic profile to uplink,
827 * RTNL lock must be held before triggering netdev notifiers.
828 */
829 if (take_rtnl)
830 rtnl_lock();
831 /* update XDP supported features */
832 mlx5e_set_xdp_feature(netdev);
833 if (take_rtnl)
834 rtnl_unlock();
835
836 /* CQ moderation params */
837 params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
838 mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
839
840 params->mqprio.num_tc = 1;
841 if (rep->vport != MLX5_VPORT_UPLINK)
842 params->vlan_strip_disable = true;
843
844 mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode);
845 }
846
mlx5e_build_rep_netdev(struct net_device * netdev,struct mlx5_core_dev * mdev)847 static void mlx5e_build_rep_netdev(struct net_device *netdev,
848 struct mlx5_core_dev *mdev)
849 {
850 SET_NETDEV_DEV(netdev, mdev->device);
851 netdev->netdev_ops = &mlx5e_netdev_ops_rep;
852 eth_hw_addr_random(netdev);
853 netdev->ethtool_ops = &mlx5e_rep_ethtool_ops;
854
855 netdev->watchdog_timeo = 15 * HZ;
856
857 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
858 netdev->hw_features |= NETIF_F_HW_TC;
859 #endif
860 netdev->hw_features |= NETIF_F_SG;
861 netdev->hw_features |= NETIF_F_IP_CSUM;
862 netdev->hw_features |= NETIF_F_IPV6_CSUM;
863 netdev->hw_features |= NETIF_F_GRO;
864 netdev->hw_features |= NETIF_F_TSO;
865 netdev->hw_features |= NETIF_F_TSO6;
866 netdev->hw_features |= NETIF_F_RXCSUM;
867
868 netdev->features |= netdev->hw_features;
869 netdev->features |= NETIF_F_NETNS_LOCAL;
870 }
871
mlx5e_init_rep(struct mlx5_core_dev * mdev,struct net_device * netdev)872 static int mlx5e_init_rep(struct mlx5_core_dev *mdev,
873 struct net_device *netdev)
874 {
875 struct mlx5e_priv *priv = netdev_priv(netdev);
876
877 priv->fs =
878 mlx5e_fs_init(priv->profile, mdev,
879 !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
880 priv->dfs_root);
881 if (!priv->fs) {
882 netdev_err(priv->netdev, "FS allocation failed\n");
883 return -ENOMEM;
884 }
885
886 mlx5e_build_rep_params(netdev);
887 mlx5e_timestamp_init(priv);
888
889 return 0;
890 }
891
mlx5e_init_ul_rep(struct mlx5_core_dev * mdev,struct net_device * netdev)892 static int mlx5e_init_ul_rep(struct mlx5_core_dev *mdev,
893 struct net_device *netdev)
894 {
895 struct mlx5e_priv *priv = netdev_priv(netdev);
896
897 priv->dfs_root = debugfs_create_dir("nic",
898 mlx5_debugfs_get_dev_root(mdev));
899
900 priv->fs = mlx5e_fs_init(priv->profile, mdev,
901 !test_bit(MLX5E_STATE_DESTROYING, &priv->state),
902 priv->dfs_root);
903 if (!priv->fs) {
904 netdev_err(priv->netdev, "FS allocation failed\n");
905 debugfs_remove_recursive(priv->dfs_root);
906 return -ENOMEM;
907 }
908
909 mlx5e_vxlan_set_netdev_info(priv);
910 mlx5e_build_rep_params(netdev);
911 mlx5e_timestamp_init(priv);
912 return 0;
913 }
914
mlx5e_cleanup_rep(struct mlx5e_priv * priv)915 static void mlx5e_cleanup_rep(struct mlx5e_priv *priv)
916 {
917 mlx5e_fs_cleanup(priv->fs);
918 debugfs_remove_recursive(priv->dfs_root);
919 priv->fs = NULL;
920 }
921
mlx5e_create_rep_ttc_table(struct mlx5e_priv * priv)922 static int mlx5e_create_rep_ttc_table(struct mlx5e_priv *priv)
923 {
924 struct mlx5e_rep_priv *rpriv = priv->ppriv;
925 struct mlx5_eswitch_rep *rep = rpriv->rep;
926 struct ttc_params ttc_params = {};
927 int err;
928
929 mlx5e_fs_set_ns(priv->fs,
930 mlx5_get_flow_namespace(priv->mdev,
931 MLX5_FLOW_NAMESPACE_KERNEL), false);
932
933 /* The inner_ttc in the ttc params is intentionally not set */
934 mlx5e_set_ttc_params(priv->fs, priv->rx_res, &ttc_params, false);
935
936 if (rep->vport != MLX5_VPORT_UPLINK)
937 /* To give uplik rep TTC a lower level for chaining from root ft */
938 ttc_params.ft_attr.level = MLX5E_TTC_FT_LEVEL + 1;
939
940 mlx5e_fs_set_ttc(priv->fs, mlx5_create_ttc_table(priv->mdev, &ttc_params), false);
941 if (IS_ERR(mlx5e_fs_get_ttc(priv->fs, false))) {
942 err = PTR_ERR(mlx5e_fs_get_ttc(priv->fs, false));
943 netdev_err(priv->netdev, "Failed to create rep ttc table, err=%d\n",
944 err);
945 return err;
946 }
947 return 0;
948 }
949
mlx5e_create_rep_root_ft(struct mlx5e_priv * priv)950 static int mlx5e_create_rep_root_ft(struct mlx5e_priv *priv)
951 {
952 struct mlx5e_rep_priv *rpriv = priv->ppriv;
953 struct mlx5_eswitch_rep *rep = rpriv->rep;
954 struct mlx5_flow_table_attr ft_attr = {};
955 struct mlx5_flow_namespace *ns;
956 int err = 0;
957
958 if (rep->vport != MLX5_VPORT_UPLINK) {
959 /* non uplik reps will skip any bypass tables and go directly to
960 * their own ttc
961 */
962 rpriv->root_ft = mlx5_get_ttc_flow_table(mlx5e_fs_get_ttc(priv->fs, false));
963 return 0;
964 }
965
966 /* uplink root ft will be used to auto chain, to ethtool or ttc tables */
967 ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_OFFLOADS);
968 if (!ns) {
969 netdev_err(priv->netdev, "Failed to get reps offloads namespace\n");
970 return -EOPNOTSUPP;
971 }
972
973 ft_attr.max_fte = 0; /* Empty table, miss rule will always point to next table */
974 ft_attr.prio = 1;
975 ft_attr.level = 1;
976
977 rpriv->root_ft = mlx5_create_flow_table(ns, &ft_attr);
978 if (IS_ERR(rpriv->root_ft)) {
979 err = PTR_ERR(rpriv->root_ft);
980 rpriv->root_ft = NULL;
981 }
982
983 return err;
984 }
985
mlx5e_destroy_rep_root_ft(struct mlx5e_priv * priv)986 static void mlx5e_destroy_rep_root_ft(struct mlx5e_priv *priv)
987 {
988 struct mlx5e_rep_priv *rpriv = priv->ppriv;
989 struct mlx5_eswitch_rep *rep = rpriv->rep;
990
991 if (rep->vport != MLX5_VPORT_UPLINK)
992 return;
993 mlx5_destroy_flow_table(rpriv->root_ft);
994 }
995
mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv * priv)996 static int mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv *priv)
997 {
998 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
999 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1000 struct mlx5_eswitch_rep *rep = rpriv->rep;
1001 struct mlx5_flow_handle *flow_rule;
1002 struct mlx5_flow_destination dest;
1003
1004 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
1005 dest.ft = rpriv->root_ft;
1006
1007 flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, rep->vport, &dest);
1008 if (IS_ERR(flow_rule))
1009 return PTR_ERR(flow_rule);
1010 rpriv->vport_rx_rule = flow_rule;
1011 return 0;
1012 }
1013
rep_vport_rx_rule_destroy(struct mlx5e_priv * priv)1014 static void rep_vport_rx_rule_destroy(struct mlx5e_priv *priv)
1015 {
1016 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1017
1018 if (!rpriv->vport_rx_rule)
1019 return;
1020
1021 mlx5_del_flow_rules(rpriv->vport_rx_rule);
1022 rpriv->vport_rx_rule = NULL;
1023 }
1024
mlx5e_rep_bond_update(struct mlx5e_priv * priv,bool cleanup)1025 int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup)
1026 {
1027 rep_vport_rx_rule_destroy(priv);
1028
1029 return cleanup ? 0 : mlx5e_create_rep_vport_rx_rule(priv);
1030 }
1031
mlx5e_init_rep_rx(struct mlx5e_priv * priv)1032 static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
1033 {
1034 struct mlx5_core_dev *mdev = priv->mdev;
1035 int err;
1036
1037 mlx5e_fs_init_l2_addr(priv->fs, priv->netdev);
1038
1039 err = mlx5e_open_drop_rq(priv, &priv->drop_rq);
1040 if (err) {
1041 mlx5_core_err(mdev, "open drop rq failed, %d\n", err);
1042 goto err_free_fs;
1043 }
1044
1045 priv->rx_res = mlx5e_rx_res_create(priv->mdev, 0, priv->max_nch, priv->drop_rq.rqn,
1046 &priv->channels.params.packet_merge,
1047 priv->channels.params.num_channels);
1048 if (IS_ERR(priv->rx_res)) {
1049 err = PTR_ERR(priv->rx_res);
1050 mlx5_core_err(mdev, "Create rx resources failed, err=%d\n", err);
1051 goto err_close_drop_rq;
1052 }
1053
1054 err = mlx5e_create_rep_ttc_table(priv);
1055 if (err)
1056 goto err_destroy_rx_res;
1057
1058 err = mlx5e_create_rep_root_ft(priv);
1059 if (err)
1060 goto err_destroy_ttc_table;
1061
1062 err = mlx5e_create_rep_vport_rx_rule(priv);
1063 if (err)
1064 goto err_destroy_root_ft;
1065
1066 mlx5e_ethtool_init_steering(priv->fs);
1067
1068 return 0;
1069
1070 err_destroy_root_ft:
1071 mlx5e_destroy_rep_root_ft(priv);
1072 err_destroy_ttc_table:
1073 mlx5_destroy_ttc_table(mlx5e_fs_get_ttc(priv->fs, false));
1074 err_destroy_rx_res:
1075 mlx5e_rx_res_destroy(priv->rx_res);
1076 priv->rx_res = ERR_PTR(-EINVAL);
1077 err_close_drop_rq:
1078 mlx5e_close_drop_rq(&priv->drop_rq);
1079 err_free_fs:
1080 mlx5e_fs_cleanup(priv->fs);
1081 priv->fs = NULL;
1082 return err;
1083 }
1084
mlx5e_cleanup_rep_rx(struct mlx5e_priv * priv)1085 static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
1086 {
1087 mlx5e_ethtool_cleanup_steering(priv->fs);
1088 rep_vport_rx_rule_destroy(priv);
1089 mlx5e_destroy_rep_root_ft(priv);
1090 mlx5_destroy_ttc_table(mlx5e_fs_get_ttc(priv->fs, false));
1091 mlx5e_rx_res_destroy(priv->rx_res);
1092 priv->rx_res = ERR_PTR(-EINVAL);
1093 mlx5e_close_drop_rq(&priv->drop_rq);
1094 }
1095
mlx5e_rep_mpesw_work(struct work_struct * work)1096 static void mlx5e_rep_mpesw_work(struct work_struct *work)
1097 {
1098 struct mlx5_rep_uplink_priv *uplink_priv =
1099 container_of(work, struct mlx5_rep_uplink_priv,
1100 mpesw_work);
1101 struct mlx5e_rep_priv *rpriv =
1102 container_of(uplink_priv, struct mlx5e_rep_priv,
1103 uplink_priv);
1104 struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
1105
1106 rep_vport_rx_rule_destroy(priv);
1107 mlx5e_create_rep_vport_rx_rule(priv);
1108 }
1109
mlx5e_init_ul_rep_rx(struct mlx5e_priv * priv)1110 static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv)
1111 {
1112 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1113 int err;
1114
1115 mlx5e_create_q_counters(priv);
1116 err = mlx5e_init_rep_rx(priv);
1117 if (err)
1118 goto out;
1119
1120 mlx5e_tc_int_port_init_rep_rx(priv);
1121
1122 INIT_WORK(&rpriv->uplink_priv.mpesw_work, mlx5e_rep_mpesw_work);
1123
1124 out:
1125 return err;
1126 }
1127
mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv * priv)1128 static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv)
1129 {
1130 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1131
1132 cancel_work_sync(&rpriv->uplink_priv.mpesw_work);
1133 mlx5e_tc_int_port_cleanup_rep_rx(priv);
1134 mlx5e_cleanup_rep_rx(priv);
1135 mlx5e_destroy_q_counters(priv);
1136 }
1137
mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv * rpriv)1138 static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
1139 {
1140 struct mlx5_rep_uplink_priv *uplink_priv;
1141 struct net_device *netdev;
1142 struct mlx5e_priv *priv;
1143 int err;
1144
1145 netdev = rpriv->netdev;
1146 priv = netdev_priv(netdev);
1147 uplink_priv = &rpriv->uplink_priv;
1148
1149 err = mlx5e_rep_tc_init(rpriv);
1150 if (err)
1151 return err;
1152
1153 mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev);
1154
1155 mlx5e_rep_bond_init(rpriv);
1156 err = mlx5e_rep_tc_netdevice_event_register(rpriv);
1157 if (err) {
1158 mlx5_core_err(priv->mdev, "Failed to register netdev notifier, err: %d\n",
1159 err);
1160 goto err_event_reg;
1161 }
1162
1163 return 0;
1164
1165 err_event_reg:
1166 mlx5e_rep_bond_cleanup(rpriv);
1167 mlx5e_rep_tc_cleanup(rpriv);
1168 return err;
1169 }
1170
mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv * rpriv)1171 static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
1172 {
1173 mlx5e_rep_tc_netdevice_event_unregister(rpriv);
1174 mlx5e_rep_bond_cleanup(rpriv);
1175 mlx5e_rep_tc_cleanup(rpriv);
1176 }
1177
mlx5e_init_rep_tx(struct mlx5e_priv * priv)1178 static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
1179 {
1180 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1181 int err;
1182
1183 err = mlx5e_rep_neigh_init(rpriv);
1184 if (err)
1185 goto err_neigh_init;
1186
1187 if (rpriv->rep->vport == MLX5_VPORT_UPLINK) {
1188 err = mlx5e_init_uplink_rep_tx(rpriv);
1189 if (err)
1190 goto err_init_tx;
1191 }
1192
1193 err = mlx5e_tc_ht_init(&rpriv->tc_ht);
1194 if (err)
1195 goto err_ht_init;
1196
1197 return 0;
1198
1199 err_ht_init:
1200 if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
1201 mlx5e_cleanup_uplink_rep_tx(rpriv);
1202 err_init_tx:
1203 mlx5e_rep_neigh_cleanup(rpriv);
1204 err_neigh_init:
1205 return err;
1206 }
1207
mlx5e_cleanup_rep_tx(struct mlx5e_priv * priv)1208 static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
1209 {
1210 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1211
1212 mlx5e_tc_ht_cleanup(&rpriv->tc_ht);
1213
1214 if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
1215 mlx5e_cleanup_uplink_rep_tx(rpriv);
1216
1217 mlx5e_rep_neigh_cleanup(rpriv);
1218 }
1219
mlx5e_rep_enable(struct mlx5e_priv * priv)1220 static void mlx5e_rep_enable(struct mlx5e_priv *priv)
1221 {
1222 mlx5e_set_netdev_mtu_boundaries(priv);
1223 }
1224
mlx5e_rep_disable(struct mlx5e_priv * priv)1225 static void mlx5e_rep_disable(struct mlx5e_priv *priv)
1226 {
1227 }
1228
mlx5e_update_rep_rx(struct mlx5e_priv * priv)1229 static int mlx5e_update_rep_rx(struct mlx5e_priv *priv)
1230 {
1231 return 0;
1232 }
1233
mlx5e_rep_event_mpesw(struct mlx5e_priv * priv)1234 static int mlx5e_rep_event_mpesw(struct mlx5e_priv *priv)
1235 {
1236 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1237 struct mlx5_eswitch_rep *rep = rpriv->rep;
1238
1239 if (rep->vport != MLX5_VPORT_UPLINK)
1240 return NOTIFY_DONE;
1241
1242 queue_work(priv->wq, &rpriv->uplink_priv.mpesw_work);
1243
1244 return NOTIFY_OK;
1245 }
1246
uplink_rep_async_event(struct notifier_block * nb,unsigned long event,void * data)1247 static int uplink_rep_async_event(struct notifier_block *nb, unsigned long event, void *data)
1248 {
1249 struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb);
1250
1251 if (event == MLX5_EVENT_TYPE_PORT_CHANGE) {
1252 struct mlx5_eqe *eqe = data;
1253
1254 switch (eqe->sub_type) {
1255 case MLX5_PORT_CHANGE_SUBTYPE_DOWN:
1256 case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE:
1257 queue_work(priv->wq, &priv->update_carrier_work);
1258 break;
1259 default:
1260 return NOTIFY_DONE;
1261 }
1262
1263 return NOTIFY_OK;
1264 }
1265
1266 if (event == MLX5_DEV_EVENT_PORT_AFFINITY)
1267 return mlx5e_rep_tc_event_port_affinity(priv);
1268 else if (event == MLX5_DEV_EVENT_MULTIPORT_ESW)
1269 return mlx5e_rep_event_mpesw(priv);
1270
1271 return NOTIFY_DONE;
1272 }
1273
mlx5e_uplink_rep_enable(struct mlx5e_priv * priv)1274 static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
1275 {
1276 struct net_device *netdev = priv->netdev;
1277 struct mlx5_core_dev *mdev = priv->mdev;
1278 u16 max_mtu;
1279
1280 mlx5e_ipsec_init(priv);
1281
1282 netdev->min_mtu = ETH_MIN_MTU;
1283 mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1);
1284 netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu);
1285 mlx5e_set_dev_port_mtu(priv);
1286
1287 mlx5e_rep_tc_enable(priv);
1288
1289 if (MLX5_CAP_GEN(mdev, uplink_follow))
1290 mlx5_modify_vport_admin_state(mdev, MLX5_VPORT_STATE_OP_MOD_UPLINK,
1291 0, 0, MLX5_VPORT_ADMIN_STATE_AUTO);
1292 mlx5_lag_add_netdev(mdev, netdev);
1293 priv->events_nb.notifier_call = uplink_rep_async_event;
1294 mlx5_notifier_register(mdev, &priv->events_nb);
1295 mlx5e_dcbnl_initialize(priv);
1296 mlx5e_dcbnl_init_app(priv);
1297 mlx5e_rep_bridge_init(priv);
1298
1299 netdev->wanted_features |= NETIF_F_HW_TC;
1300
1301 rtnl_lock();
1302 if (netif_running(netdev))
1303 mlx5e_open(netdev);
1304 udp_tunnel_nic_reset_ntf(priv->netdev);
1305 netif_device_attach(netdev);
1306 rtnl_unlock();
1307 }
1308
mlx5e_uplink_rep_disable(struct mlx5e_priv * priv)1309 static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv)
1310 {
1311 struct mlx5_core_dev *mdev = priv->mdev;
1312
1313 rtnl_lock();
1314 if (netif_running(priv->netdev))
1315 mlx5e_close(priv->netdev);
1316 netif_device_detach(priv->netdev);
1317 rtnl_unlock();
1318
1319 mlx5e_rep_bridge_cleanup(priv);
1320 mlx5e_dcbnl_delete_app(priv);
1321 mlx5_notifier_unregister(mdev, &priv->events_nb);
1322 mlx5e_rep_tc_disable(priv);
1323 mlx5_lag_remove_netdev(mdev, priv->netdev);
1324 mlx5_vxlan_reset_to_default(mdev->vxlan);
1325
1326 mlx5e_ipsec_cleanup(priv);
1327 }
1328
1329 static MLX5E_DEFINE_STATS_GRP(sw_rep, 0);
1330 static MLX5E_DEFINE_STATS_GRP(vport_rep, MLX5E_NDO_UPDATE_STATS);
1331
1332 /* The stats groups order is opposite to the update_stats() order calls */
1333 static mlx5e_stats_grp_t mlx5e_rep_stats_grps[] = {
1334 &MLX5E_STATS_GRP(sw_rep),
1335 &MLX5E_STATS_GRP(vport_rep),
1336 };
1337
mlx5e_rep_stats_grps_num(struct mlx5e_priv * priv)1338 static unsigned int mlx5e_rep_stats_grps_num(struct mlx5e_priv *priv)
1339 {
1340 return ARRAY_SIZE(mlx5e_rep_stats_grps);
1341 }
1342
1343 /* The stats groups order is opposite to the update_stats() order calls */
1344 static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = {
1345 &MLX5E_STATS_GRP(sw),
1346 &MLX5E_STATS_GRP(qcnt),
1347 &MLX5E_STATS_GRP(vnic_env),
1348 &MLX5E_STATS_GRP(vport),
1349 &MLX5E_STATS_GRP(802_3),
1350 &MLX5E_STATS_GRP(2863),
1351 &MLX5E_STATS_GRP(2819),
1352 &MLX5E_STATS_GRP(phy),
1353 &MLX5E_STATS_GRP(eth_ext),
1354 &MLX5E_STATS_GRP(pcie),
1355 &MLX5E_STATS_GRP(per_prio),
1356 &MLX5E_STATS_GRP(pme),
1357 &MLX5E_STATS_GRP(channels),
1358 &MLX5E_STATS_GRP(per_port_buff_congest),
1359 #ifdef CONFIG_MLX5_EN_IPSEC
1360 &MLX5E_STATS_GRP(ipsec_hw),
1361 &MLX5E_STATS_GRP(ipsec_sw),
1362 #endif
1363 &MLX5E_STATS_GRP(ptp),
1364 };
1365
mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv * priv)1366 static unsigned int mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv *priv)
1367 {
1368 return ARRAY_SIZE(mlx5e_ul_rep_stats_grps);
1369 }
1370
1371 static int
mlx5e_rep_vnic_reporter_diagnose(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,struct netlink_ext_ack * extack)1372 mlx5e_rep_vnic_reporter_diagnose(struct devlink_health_reporter *reporter,
1373 struct devlink_fmsg *fmsg,
1374 struct netlink_ext_ack *extack)
1375 {
1376 struct mlx5e_rep_priv *rpriv = devlink_health_reporter_priv(reporter);
1377 struct mlx5_eswitch_rep *rep = rpriv->rep;
1378
1379 mlx5_reporter_vnic_diagnose_counters(rep->esw->dev, fmsg, rep->vport,
1380 true);
1381 return 0;
1382 }
1383
1384 static const struct devlink_health_reporter_ops mlx5_rep_vnic_reporter_ops = {
1385 .name = "vnic",
1386 .diagnose = mlx5e_rep_vnic_reporter_diagnose,
1387 };
1388
mlx5e_rep_vnic_reporter_create(struct mlx5e_priv * priv,struct devlink_port * dl_port)1389 static void mlx5e_rep_vnic_reporter_create(struct mlx5e_priv *priv,
1390 struct devlink_port *dl_port)
1391 {
1392 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1393 struct devlink_health_reporter *reporter;
1394
1395 reporter = devl_port_health_reporter_create(dl_port,
1396 &mlx5_rep_vnic_reporter_ops,
1397 0, rpriv);
1398 if (IS_ERR(reporter)) {
1399 mlx5_core_err(priv->mdev,
1400 "Failed to create representor vnic reporter, err = %ld\n",
1401 PTR_ERR(reporter));
1402 return;
1403 }
1404
1405 rpriv->rep_vnic_reporter = reporter;
1406 }
1407
mlx5e_rep_vnic_reporter_destroy(struct mlx5e_priv * priv)1408 static void mlx5e_rep_vnic_reporter_destroy(struct mlx5e_priv *priv)
1409 {
1410 struct mlx5e_rep_priv *rpriv = priv->ppriv;
1411
1412 if (!IS_ERR_OR_NULL(rpriv->rep_vnic_reporter))
1413 devl_health_reporter_destroy(rpriv->rep_vnic_reporter);
1414 }
1415
1416 static const struct mlx5e_profile mlx5e_rep_profile = {
1417 .init = mlx5e_init_rep,
1418 .cleanup = mlx5e_cleanup_rep,
1419 .init_rx = mlx5e_init_rep_rx,
1420 .cleanup_rx = mlx5e_cleanup_rep_rx,
1421 .init_tx = mlx5e_init_rep_tx,
1422 .cleanup_tx = mlx5e_cleanup_rep_tx,
1423 .enable = mlx5e_rep_enable,
1424 .disable = mlx5e_rep_disable,
1425 .update_rx = mlx5e_update_rep_rx,
1426 .update_stats = mlx5e_stats_update_ndo_stats,
1427 .rx_handlers = &mlx5e_rx_handlers_rep,
1428 .max_tc = 1,
1429 .stats_grps = mlx5e_rep_stats_grps,
1430 .stats_grps_num = mlx5e_rep_stats_grps_num,
1431 .max_nch_limit = mlx5e_rep_max_nch_limit,
1432 };
1433
1434 static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
1435 .init = mlx5e_init_ul_rep,
1436 .cleanup = mlx5e_cleanup_rep,
1437 .init_rx = mlx5e_init_ul_rep_rx,
1438 .cleanup_rx = mlx5e_cleanup_ul_rep_rx,
1439 .init_tx = mlx5e_init_rep_tx,
1440 .cleanup_tx = mlx5e_cleanup_rep_tx,
1441 .enable = mlx5e_uplink_rep_enable,
1442 .disable = mlx5e_uplink_rep_disable,
1443 .update_rx = mlx5e_update_rep_rx,
1444 .update_stats = mlx5e_stats_update_ndo_stats,
1445 .update_carrier = mlx5e_update_carrier,
1446 .rx_handlers = &mlx5e_rx_handlers_rep,
1447 .max_tc = MLX5_MAX_NUM_TC,
1448 .stats_grps = mlx5e_ul_rep_stats_grps,
1449 .stats_grps_num = mlx5e_ul_rep_stats_grps_num,
1450 };
1451
1452 /* e-Switch vport representors */
1453 static int
mlx5e_vport_uplink_rep_load(struct mlx5_core_dev * dev,struct mlx5_eswitch_rep * rep)1454 mlx5e_vport_uplink_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
1455 {
1456 struct mlx5e_priv *priv = netdev_priv(mlx5_uplink_netdev_get(dev));
1457 struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
1458
1459 rpriv->netdev = priv->netdev;
1460 return mlx5e_netdev_change_profile(priv, &mlx5e_uplink_rep_profile,
1461 rpriv);
1462 }
1463
1464 static void
mlx5e_vport_uplink_rep_unload(struct mlx5e_rep_priv * rpriv)1465 mlx5e_vport_uplink_rep_unload(struct mlx5e_rep_priv *rpriv)
1466 {
1467 struct net_device *netdev = rpriv->netdev;
1468 struct mlx5e_priv *priv;
1469
1470 priv = netdev_priv(netdev);
1471
1472 mlx5e_netdev_attach_nic_profile(priv);
1473 }
1474
1475 static int
mlx5e_vport_vf_rep_load(struct mlx5_core_dev * dev,struct mlx5_eswitch_rep * rep)1476 mlx5e_vport_vf_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
1477 {
1478 struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
1479 const struct mlx5e_profile *profile;
1480 struct devlink_port *dl_port;
1481 struct net_device *netdev;
1482 struct mlx5e_priv *priv;
1483 int err;
1484
1485 profile = &mlx5e_rep_profile;
1486 netdev = mlx5e_create_netdev(dev, profile);
1487 if (!netdev) {
1488 mlx5_core_warn(dev,
1489 "Failed to create representor netdev for vport %d\n",
1490 rep->vport);
1491 return -EINVAL;
1492 }
1493
1494 mlx5e_build_rep_netdev(netdev, dev);
1495 rpriv->netdev = netdev;
1496
1497 priv = netdev_priv(netdev);
1498 priv->profile = profile;
1499 priv->ppriv = rpriv;
1500 err = profile->init(dev, netdev);
1501 if (err) {
1502 netdev_warn(netdev, "rep profile init failed, %d\n", err);
1503 goto err_destroy_netdev;
1504 }
1505
1506 err = mlx5e_attach_netdev(netdev_priv(netdev));
1507 if (err) {
1508 netdev_warn(netdev,
1509 "Failed to attach representor netdev for vport %d\n",
1510 rep->vport);
1511 goto err_cleanup_profile;
1512 }
1513
1514 dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch,
1515 rpriv->rep->vport);
1516 if (!IS_ERR(dl_port)) {
1517 SET_NETDEV_DEVLINK_PORT(netdev, dl_port);
1518 mlx5e_rep_vnic_reporter_create(priv, dl_port);
1519 }
1520
1521 err = register_netdev(netdev);
1522 if (err) {
1523 netdev_warn(netdev,
1524 "Failed to register representor netdev for vport %d\n",
1525 rep->vport);
1526 goto err_detach_netdev;
1527 }
1528
1529 return 0;
1530
1531 err_detach_netdev:
1532 mlx5e_rep_vnic_reporter_destroy(priv);
1533 mlx5e_detach_netdev(netdev_priv(netdev));
1534 err_cleanup_profile:
1535 priv->profile->cleanup(priv);
1536
1537 err_destroy_netdev:
1538 mlx5e_destroy_netdev(netdev_priv(netdev));
1539 return err;
1540 }
1541
1542 static int
mlx5e_vport_rep_load(struct mlx5_core_dev * dev,struct mlx5_eswitch_rep * rep)1543 mlx5e_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
1544 {
1545 struct mlx5e_rep_priv *rpriv;
1546 int err;
1547
1548 rpriv = kvzalloc(sizeof(*rpriv), GFP_KERNEL);
1549 if (!rpriv)
1550 return -ENOMEM;
1551
1552 /* rpriv->rep to be looked up when profile->init() is called */
1553 rpriv->rep = rep;
1554 rep->rep_data[REP_ETH].priv = rpriv;
1555 INIT_LIST_HEAD(&rpriv->vport_sqs_list);
1556
1557 if (rep->vport == MLX5_VPORT_UPLINK)
1558 err = mlx5e_vport_uplink_rep_load(dev, rep);
1559 else
1560 err = mlx5e_vport_vf_rep_load(dev, rep);
1561
1562 if (err)
1563 kvfree(rpriv);
1564
1565 return err;
1566 }
1567
1568 static void
mlx5e_vport_rep_unload(struct mlx5_eswitch_rep * rep)1569 mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
1570 {
1571 struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
1572 struct net_device *netdev = rpriv->netdev;
1573 struct mlx5e_priv *priv = netdev_priv(netdev);
1574 void *ppriv = priv->ppriv;
1575
1576 if (rep->vport == MLX5_VPORT_UPLINK) {
1577 mlx5e_vport_uplink_rep_unload(rpriv);
1578 goto free_ppriv;
1579 }
1580
1581 unregister_netdev(netdev);
1582 mlx5e_rep_vnic_reporter_destroy(priv);
1583 mlx5e_detach_netdev(priv);
1584 priv->profile->cleanup(priv);
1585 mlx5e_destroy_netdev(priv);
1586 free_ppriv:
1587 kvfree(ppriv); /* mlx5e_rep_priv */
1588 }
1589
mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep * rep)1590 static void *mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep *rep)
1591 {
1592 struct mlx5e_rep_priv *rpriv;
1593
1594 rpriv = mlx5e_rep_to_rep_priv(rep);
1595
1596 return rpriv->netdev;
1597 }
1598
mlx5e_vport_rep_event_unpair(struct mlx5_eswitch_rep * rep,struct mlx5_eswitch * peer_esw)1599 static void mlx5e_vport_rep_event_unpair(struct mlx5_eswitch_rep *rep,
1600 struct mlx5_eswitch *peer_esw)
1601 {
1602 u16 i = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
1603 struct mlx5e_rep_priv *rpriv;
1604 struct mlx5e_rep_sq *rep_sq;
1605
1606 WARN_ON_ONCE(!peer_esw);
1607 rpriv = mlx5e_rep_to_rep_priv(rep);
1608 list_for_each_entry(rep_sq, &rpriv->vport_sqs_list, list) {
1609 struct mlx5e_rep_sq_peer *sq_peer = xa_load(&rep_sq->sq_peer, i);
1610
1611 if (!sq_peer || sq_peer->peer != peer_esw)
1612 continue;
1613
1614 mlx5_eswitch_del_send_to_vport_rule(sq_peer->rule);
1615 xa_erase(&rep_sq->sq_peer, i);
1616 kfree(sq_peer);
1617 }
1618 }
1619
mlx5e_vport_rep_event_pair(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep,struct mlx5_eswitch * peer_esw)1620 static int mlx5e_vport_rep_event_pair(struct mlx5_eswitch *esw,
1621 struct mlx5_eswitch_rep *rep,
1622 struct mlx5_eswitch *peer_esw)
1623 {
1624 u16 i = MLX5_CAP_GEN(peer_esw->dev, vhca_id);
1625 struct mlx5_flow_handle *flow_rule;
1626 struct mlx5e_rep_sq_peer *sq_peer;
1627 struct mlx5e_rep_priv *rpriv;
1628 struct mlx5e_rep_sq *rep_sq;
1629 int err;
1630
1631 rpriv = mlx5e_rep_to_rep_priv(rep);
1632 list_for_each_entry(rep_sq, &rpriv->vport_sqs_list, list) {
1633 sq_peer = xa_load(&rep_sq->sq_peer, i);
1634
1635 if (sq_peer && sq_peer->peer)
1636 continue;
1637
1638 flow_rule = mlx5_eswitch_add_send_to_vport_rule(peer_esw, esw, rep,
1639 rep_sq->sqn);
1640 if (IS_ERR(flow_rule)) {
1641 err = PTR_ERR(flow_rule);
1642 goto err_out;
1643 }
1644
1645 if (sq_peer) {
1646 sq_peer->rule = flow_rule;
1647 sq_peer->peer = peer_esw;
1648 continue;
1649 }
1650 sq_peer = kzalloc(sizeof(*sq_peer), GFP_KERNEL);
1651 if (!sq_peer) {
1652 err = -ENOMEM;
1653 goto err_sq_alloc;
1654 }
1655 err = xa_insert(&rep_sq->sq_peer, i, sq_peer, GFP_KERNEL);
1656 if (err)
1657 goto err_xa;
1658 sq_peer->rule = flow_rule;
1659 sq_peer->peer = peer_esw;
1660 }
1661
1662 return 0;
1663 err_xa:
1664 kfree(sq_peer);
1665 err_sq_alloc:
1666 mlx5_eswitch_del_send_to_vport_rule(flow_rule);
1667 err_out:
1668 mlx5e_vport_rep_event_unpair(rep, peer_esw);
1669 return err;
1670 }
1671
mlx5e_vport_rep_event(struct mlx5_eswitch * esw,struct mlx5_eswitch_rep * rep,enum mlx5_switchdev_event event,void * data)1672 static int mlx5e_vport_rep_event(struct mlx5_eswitch *esw,
1673 struct mlx5_eswitch_rep *rep,
1674 enum mlx5_switchdev_event event,
1675 void *data)
1676 {
1677 int err = 0;
1678
1679 if (event == MLX5_SWITCHDEV_EVENT_PAIR)
1680 err = mlx5e_vport_rep_event_pair(esw, rep, data);
1681 else if (event == MLX5_SWITCHDEV_EVENT_UNPAIR)
1682 mlx5e_vport_rep_event_unpair(rep, data);
1683
1684 return err;
1685 }
1686
1687 static const struct mlx5_eswitch_rep_ops rep_ops = {
1688 .load = mlx5e_vport_rep_load,
1689 .unload = mlx5e_vport_rep_unload,
1690 .get_proto_dev = mlx5e_vport_rep_get_proto_dev,
1691 .event = mlx5e_vport_rep_event,
1692 };
1693
mlx5e_rep_probe(struct auxiliary_device * adev,const struct auxiliary_device_id * id)1694 static int mlx5e_rep_probe(struct auxiliary_device *adev,
1695 const struct auxiliary_device_id *id)
1696 {
1697 struct mlx5_adev *edev = container_of(adev, struct mlx5_adev, adev);
1698 struct mlx5_core_dev *mdev = edev->mdev;
1699 struct mlx5_eswitch *esw;
1700
1701 esw = mdev->priv.eswitch;
1702 mlx5_eswitch_register_vport_reps(esw, &rep_ops, REP_ETH);
1703 return 0;
1704 }
1705
mlx5e_rep_remove(struct auxiliary_device * adev)1706 static void mlx5e_rep_remove(struct auxiliary_device *adev)
1707 {
1708 struct mlx5_adev *vdev = container_of(adev, struct mlx5_adev, adev);
1709 struct mlx5_core_dev *mdev = vdev->mdev;
1710 struct mlx5_eswitch *esw;
1711
1712 esw = mdev->priv.eswitch;
1713 mlx5_eswitch_unregister_vport_reps(esw, REP_ETH);
1714 }
1715
1716 static const struct auxiliary_device_id mlx5e_rep_id_table[] = {
1717 { .name = MLX5_ADEV_NAME ".eth-rep", },
1718 {},
1719 };
1720
1721 MODULE_DEVICE_TABLE(auxiliary, mlx5e_rep_id_table);
1722
1723 static struct auxiliary_driver mlx5e_rep_driver = {
1724 .name = "eth-rep",
1725 .probe = mlx5e_rep_probe,
1726 .remove = mlx5e_rep_remove,
1727 .id_table = mlx5e_rep_id_table,
1728 };
1729
mlx5e_rep_init(void)1730 int mlx5e_rep_init(void)
1731 {
1732 return auxiliary_driver_register(&mlx5e_rep_driver);
1733 }
1734
mlx5e_rep_cleanup(void)1735 void mlx5e_rep_cleanup(void)
1736 {
1737 auxiliary_driver_unregister(&mlx5e_rep_driver);
1738 }
1739