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c27a02cd YP |
1 | /* |
2 | * Copyright (c) 2007 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 | ||
34 | #include <linux/etherdevice.h> | |
35 | #include <linux/tcp.h> | |
36 | #include <linux/if_vlan.h> | |
37 | #include <linux/delay.h> | |
5a0e3ad6 | 38 | #include <linux/slab.h> |
1eb8c695 AV |
39 | #include <linux/hash.h> |
40 | #include <net/ip.h> | |
076bb0c8 | 41 | #include <net/busy_poll.h> |
1b136de1 | 42 | #include <net/vxlan.h> |
c27a02cd YP |
43 | |
44 | #include <linux/mlx4/driver.h> | |
45 | #include <linux/mlx4/device.h> | |
46 | #include <linux/mlx4/cmd.h> | |
47 | #include <linux/mlx4/cq.h> | |
48 | ||
49 | #include "mlx4_en.h" | |
50 | #include "en_port.h" | |
51 | ||
d317966b | 52 | int mlx4_en_setup_tc(struct net_device *dev, u8 up) |
897d7846 | 53 | { |
bc6a4744 AV |
54 | struct mlx4_en_priv *priv = netdev_priv(dev); |
55 | int i; | |
d317966b | 56 | unsigned int offset = 0; |
bc6a4744 AV |
57 | |
58 | if (up && up != MLX4_EN_NUM_UP) | |
897d7846 AV |
59 | return -EINVAL; |
60 | ||
bc6a4744 AV |
61 | netdev_set_num_tc(dev, up); |
62 | ||
63 | /* Partition Tx queues evenly amongst UP's */ | |
bc6a4744 | 64 | for (i = 0; i < up; i++) { |
d317966b AV |
65 | netdev_set_tc_queue(dev, i, priv->num_tx_rings_p_up, offset); |
66 | offset += priv->num_tx_rings_p_up; | |
bc6a4744 AV |
67 | } |
68 | ||
897d7846 AV |
69 | return 0; |
70 | } | |
71 | ||
e0d1095a | 72 | #ifdef CONFIG_NET_RX_BUSY_POLL |
9e77a2b8 AV |
73 | /* must be called with local_bh_disable()d */ |
74 | static int mlx4_en_low_latency_recv(struct napi_struct *napi) | |
75 | { | |
76 | struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); | |
77 | struct net_device *dev = cq->dev; | |
78 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
41d942d5 | 79 | struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring]; |
9e77a2b8 AV |
80 | int done; |
81 | ||
82 | if (!priv->port_up) | |
83 | return LL_FLUSH_FAILED; | |
84 | ||
85 | if (!mlx4_en_cq_lock_poll(cq)) | |
86 | return LL_FLUSH_BUSY; | |
87 | ||
88 | done = mlx4_en_process_rx_cq(dev, cq, 4); | |
8501841a AV |
89 | if (likely(done)) |
90 | rx_ring->cleaned += done; | |
91 | else | |
92 | rx_ring->misses++; | |
9e77a2b8 AV |
93 | |
94 | mlx4_en_cq_unlock_poll(cq); | |
95 | ||
96 | return done; | |
97 | } | |
e0d1095a | 98 | #endif /* CONFIG_NET_RX_BUSY_POLL */ |
9e77a2b8 | 99 | |
1eb8c695 AV |
100 | #ifdef CONFIG_RFS_ACCEL |
101 | ||
102 | struct mlx4_en_filter { | |
103 | struct list_head next; | |
104 | struct work_struct work; | |
105 | ||
75a353d4 | 106 | u8 ip_proto; |
1eb8c695 AV |
107 | __be32 src_ip; |
108 | __be32 dst_ip; | |
109 | __be16 src_port; | |
110 | __be16 dst_port; | |
111 | ||
112 | int rxq_index; | |
113 | struct mlx4_en_priv *priv; | |
114 | u32 flow_id; /* RFS infrastructure id */ | |
115 | int id; /* mlx4_en driver id */ | |
116 | u64 reg_id; /* Flow steering API id */ | |
117 | u8 activated; /* Used to prevent expiry before filter | |
118 | * is attached | |
119 | */ | |
120 | struct hlist_node filter_chain; | |
121 | }; | |
122 | ||
123 | static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv); | |
124 | ||
75a353d4 EP |
125 | static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto) |
126 | { | |
127 | switch (ip_proto) { | |
128 | case IPPROTO_UDP: | |
129 | return MLX4_NET_TRANS_RULE_ID_UDP; | |
130 | case IPPROTO_TCP: | |
131 | return MLX4_NET_TRANS_RULE_ID_TCP; | |
132 | default: | |
c3ca5205 | 133 | return MLX4_NET_TRANS_RULE_NUM; |
75a353d4 EP |
134 | } |
135 | }; | |
136 | ||
1eb8c695 AV |
137 | static void mlx4_en_filter_work(struct work_struct *work) |
138 | { | |
139 | struct mlx4_en_filter *filter = container_of(work, | |
140 | struct mlx4_en_filter, | |
141 | work); | |
142 | struct mlx4_en_priv *priv = filter->priv; | |
75a353d4 EP |
143 | struct mlx4_spec_list spec_tcp_udp = { |
144 | .id = mlx4_ip_proto_to_trans_rule_id(filter->ip_proto), | |
1eb8c695 AV |
145 | { |
146 | .tcp_udp = { | |
147 | .dst_port = filter->dst_port, | |
148 | .dst_port_msk = (__force __be16)-1, | |
149 | .src_port = filter->src_port, | |
150 | .src_port_msk = (__force __be16)-1, | |
151 | }, | |
152 | }, | |
153 | }; | |
154 | struct mlx4_spec_list spec_ip = { | |
155 | .id = MLX4_NET_TRANS_RULE_ID_IPV4, | |
156 | { | |
157 | .ipv4 = { | |
158 | .dst_ip = filter->dst_ip, | |
159 | .dst_ip_msk = (__force __be32)-1, | |
160 | .src_ip = filter->src_ip, | |
161 | .src_ip_msk = (__force __be32)-1, | |
162 | }, | |
163 | }, | |
164 | }; | |
165 | struct mlx4_spec_list spec_eth = { | |
166 | .id = MLX4_NET_TRANS_RULE_ID_ETH, | |
167 | }; | |
168 | struct mlx4_net_trans_rule rule = { | |
169 | .list = LIST_HEAD_INIT(rule.list), | |
170 | .queue_mode = MLX4_NET_TRANS_Q_LIFO, | |
171 | .exclusive = 1, | |
172 | .allow_loopback = 1, | |
f9162539 | 173 | .promisc_mode = MLX4_FS_REGULAR, |
1eb8c695 AV |
174 | .port = priv->port, |
175 | .priority = MLX4_DOMAIN_RFS, | |
176 | }; | |
177 | int rc; | |
1eb8c695 AV |
178 | __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); |
179 | ||
c3ca5205 | 180 | if (spec_tcp_udp.id >= MLX4_NET_TRANS_RULE_NUM) { |
75a353d4 EP |
181 | en_warn(priv, "RFS: ignoring unsupported ip protocol (%d)\n", |
182 | filter->ip_proto); | |
183 | goto ignore; | |
184 | } | |
1eb8c695 AV |
185 | list_add_tail(&spec_eth.list, &rule.list); |
186 | list_add_tail(&spec_ip.list, &rule.list); | |
75a353d4 | 187 | list_add_tail(&spec_tcp_udp.list, &rule.list); |
1eb8c695 | 188 | |
1eb8c695 | 189 | rule.qpn = priv->rss_map.qps[filter->rxq_index].qpn; |
6bbb6d99 | 190 | memcpy(spec_eth.eth.dst_mac, priv->dev->dev_addr, ETH_ALEN); |
1eb8c695 AV |
191 | memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); |
192 | ||
193 | filter->activated = 0; | |
194 | ||
195 | if (filter->reg_id) { | |
196 | rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); | |
197 | if (rc && rc != -ENOENT) | |
198 | en_err(priv, "Error detaching flow. rc = %d\n", rc); | |
199 | } | |
200 | ||
201 | rc = mlx4_flow_attach(priv->mdev->dev, &rule, &filter->reg_id); | |
202 | if (rc) | |
203 | en_err(priv, "Error attaching flow. err = %d\n", rc); | |
204 | ||
75a353d4 | 205 | ignore: |
1eb8c695 AV |
206 | mlx4_en_filter_rfs_expire(priv); |
207 | ||
208 | filter->activated = 1; | |
209 | } | |
210 | ||
211 | static inline struct hlist_head * | |
212 | filter_hash_bucket(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, | |
213 | __be16 src_port, __be16 dst_port) | |
214 | { | |
215 | unsigned long l; | |
216 | int bucket_idx; | |
217 | ||
218 | l = (__force unsigned long)src_port | | |
219 | ((__force unsigned long)dst_port << 2); | |
220 | l ^= (__force unsigned long)(src_ip ^ dst_ip); | |
221 | ||
222 | bucket_idx = hash_long(l, MLX4_EN_FILTER_HASH_SHIFT); | |
223 | ||
224 | return &priv->filter_hash[bucket_idx]; | |
225 | } | |
226 | ||
227 | static struct mlx4_en_filter * | |
228 | mlx4_en_filter_alloc(struct mlx4_en_priv *priv, int rxq_index, __be32 src_ip, | |
75a353d4 EP |
229 | __be32 dst_ip, u8 ip_proto, __be16 src_port, |
230 | __be16 dst_port, u32 flow_id) | |
1eb8c695 AV |
231 | { |
232 | struct mlx4_en_filter *filter = NULL; | |
233 | ||
234 | filter = kzalloc(sizeof(struct mlx4_en_filter), GFP_ATOMIC); | |
235 | if (!filter) | |
236 | return NULL; | |
237 | ||
238 | filter->priv = priv; | |
239 | filter->rxq_index = rxq_index; | |
240 | INIT_WORK(&filter->work, mlx4_en_filter_work); | |
241 | ||
242 | filter->src_ip = src_ip; | |
243 | filter->dst_ip = dst_ip; | |
75a353d4 | 244 | filter->ip_proto = ip_proto; |
1eb8c695 AV |
245 | filter->src_port = src_port; |
246 | filter->dst_port = dst_port; | |
247 | ||
248 | filter->flow_id = flow_id; | |
249 | ||
ee64c0ee | 250 | filter->id = priv->last_filter_id++ % RPS_NO_FILTER; |
1eb8c695 AV |
251 | |
252 | list_add_tail(&filter->next, &priv->filters); | |
253 | hlist_add_head(&filter->filter_chain, | |
254 | filter_hash_bucket(priv, src_ip, dst_ip, src_port, | |
255 | dst_port)); | |
256 | ||
257 | return filter; | |
258 | } | |
259 | ||
260 | static void mlx4_en_filter_free(struct mlx4_en_filter *filter) | |
261 | { | |
262 | struct mlx4_en_priv *priv = filter->priv; | |
263 | int rc; | |
264 | ||
265 | list_del(&filter->next); | |
266 | ||
267 | rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); | |
268 | if (rc && rc != -ENOENT) | |
269 | en_err(priv, "Error detaching flow. rc = %d\n", rc); | |
270 | ||
271 | kfree(filter); | |
272 | } | |
273 | ||
274 | static inline struct mlx4_en_filter * | |
275 | mlx4_en_filter_find(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, | |
75a353d4 | 276 | u8 ip_proto, __be16 src_port, __be16 dst_port) |
1eb8c695 | 277 | { |
1eb8c695 AV |
278 | struct mlx4_en_filter *filter; |
279 | struct mlx4_en_filter *ret = NULL; | |
280 | ||
b67bfe0d | 281 | hlist_for_each_entry(filter, |
1eb8c695 AV |
282 | filter_hash_bucket(priv, src_ip, dst_ip, |
283 | src_port, dst_port), | |
284 | filter_chain) { | |
285 | if (filter->src_ip == src_ip && | |
286 | filter->dst_ip == dst_ip && | |
75a353d4 | 287 | filter->ip_proto == ip_proto && |
1eb8c695 AV |
288 | filter->src_port == src_port && |
289 | filter->dst_port == dst_port) { | |
290 | ret = filter; | |
291 | break; | |
292 | } | |
293 | } | |
294 | ||
295 | return ret; | |
296 | } | |
297 | ||
298 | static int | |
299 | mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, | |
300 | u16 rxq_index, u32 flow_id) | |
301 | { | |
302 | struct mlx4_en_priv *priv = netdev_priv(net_dev); | |
303 | struct mlx4_en_filter *filter; | |
304 | const struct iphdr *ip; | |
305 | const __be16 *ports; | |
75a353d4 | 306 | u8 ip_proto; |
1eb8c695 AV |
307 | __be32 src_ip; |
308 | __be32 dst_ip; | |
309 | __be16 src_port; | |
310 | __be16 dst_port; | |
311 | int nhoff = skb_network_offset(skb); | |
312 | int ret = 0; | |
313 | ||
314 | if (skb->protocol != htons(ETH_P_IP)) | |
315 | return -EPROTONOSUPPORT; | |
316 | ||
317 | ip = (const struct iphdr *)(skb->data + nhoff); | |
318 | if (ip_is_fragment(ip)) | |
319 | return -EPROTONOSUPPORT; | |
320 | ||
75a353d4 EP |
321 | if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP)) |
322 | return -EPROTONOSUPPORT; | |
1eb8c695 AV |
323 | ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); |
324 | ||
75a353d4 | 325 | ip_proto = ip->protocol; |
1eb8c695 AV |
326 | src_ip = ip->saddr; |
327 | dst_ip = ip->daddr; | |
328 | src_port = ports[0]; | |
329 | dst_port = ports[1]; | |
330 | ||
1eb8c695 | 331 | spin_lock_bh(&priv->filters_lock); |
75a353d4 EP |
332 | filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto, |
333 | src_port, dst_port); | |
1eb8c695 AV |
334 | if (filter) { |
335 | if (filter->rxq_index == rxq_index) | |
336 | goto out; | |
337 | ||
338 | filter->rxq_index = rxq_index; | |
339 | } else { | |
340 | filter = mlx4_en_filter_alloc(priv, rxq_index, | |
75a353d4 | 341 | src_ip, dst_ip, ip_proto, |
1eb8c695 AV |
342 | src_port, dst_port, flow_id); |
343 | if (!filter) { | |
344 | ret = -ENOMEM; | |
345 | goto err; | |
346 | } | |
347 | } | |
348 | ||
349 | queue_work(priv->mdev->workqueue, &filter->work); | |
350 | ||
351 | out: | |
352 | ret = filter->id; | |
353 | err: | |
354 | spin_unlock_bh(&priv->filters_lock); | |
355 | ||
356 | return ret; | |
357 | } | |
358 | ||
41d942d5 | 359 | void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv) |
1eb8c695 AV |
360 | { |
361 | struct mlx4_en_filter *filter, *tmp; | |
362 | LIST_HEAD(del_list); | |
363 | ||
364 | spin_lock_bh(&priv->filters_lock); | |
365 | list_for_each_entry_safe(filter, tmp, &priv->filters, next) { | |
366 | list_move(&filter->next, &del_list); | |
367 | hlist_del(&filter->filter_chain); | |
368 | } | |
369 | spin_unlock_bh(&priv->filters_lock); | |
370 | ||
371 | list_for_each_entry_safe(filter, tmp, &del_list, next) { | |
372 | cancel_work_sync(&filter->work); | |
373 | mlx4_en_filter_free(filter); | |
374 | } | |
375 | } | |
376 | ||
377 | static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv) | |
378 | { | |
379 | struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL; | |
380 | LIST_HEAD(del_list); | |
381 | int i = 0; | |
382 | ||
383 | spin_lock_bh(&priv->filters_lock); | |
384 | list_for_each_entry_safe(filter, tmp, &priv->filters, next) { | |
385 | if (i > MLX4_EN_FILTER_EXPIRY_QUOTA) | |
386 | break; | |
387 | ||
388 | if (filter->activated && | |
389 | !work_pending(&filter->work) && | |
390 | rps_may_expire_flow(priv->dev, | |
391 | filter->rxq_index, filter->flow_id, | |
392 | filter->id)) { | |
393 | list_move(&filter->next, &del_list); | |
394 | hlist_del(&filter->filter_chain); | |
395 | } else | |
396 | last_filter = filter; | |
397 | ||
398 | i++; | |
399 | } | |
400 | ||
401 | if (last_filter && (&last_filter->next != priv->filters.next)) | |
402 | list_move(&priv->filters, &last_filter->next); | |
403 | ||
404 | spin_unlock_bh(&priv->filters_lock); | |
405 | ||
406 | list_for_each_entry_safe(filter, tmp, &del_list, next) | |
407 | mlx4_en_filter_free(filter); | |
408 | } | |
409 | #endif | |
410 | ||
80d5c368 PM |
411 | static int mlx4_en_vlan_rx_add_vid(struct net_device *dev, |
412 | __be16 proto, u16 vid) | |
c27a02cd YP |
413 | { |
414 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
415 | struct mlx4_en_dev *mdev = priv->mdev; | |
416 | int err; | |
4c3eb3ca | 417 | int idx; |
c27a02cd | 418 | |
f1b553fb | 419 | en_dbg(HW, priv, "adding VLAN:%d\n", vid); |
c27a02cd | 420 | |
f1b553fb | 421 | set_bit(vid, priv->active_vlans); |
c27a02cd YP |
422 | |
423 | /* Add VID to port VLAN filter */ | |
424 | mutex_lock(&mdev->state_lock); | |
425 | if (mdev->device_up && priv->port_up) { | |
f1b553fb | 426 | err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); |
c27a02cd | 427 | if (err) |
453a6082 | 428 | en_err(priv, "Failed configuring VLAN filter\n"); |
c27a02cd | 429 | } |
4c3eb3ca | 430 | if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx)) |
9e19b545 | 431 | en_dbg(HW, priv, "failed adding vlan %d\n", vid); |
c27a02cd | 432 | mutex_unlock(&mdev->state_lock); |
4c3eb3ca | 433 | |
8e586137 | 434 | return 0; |
c27a02cd YP |
435 | } |
436 | ||
80d5c368 PM |
437 | static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, |
438 | __be16 proto, u16 vid) | |
c27a02cd YP |
439 | { |
440 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
441 | struct mlx4_en_dev *mdev = priv->mdev; | |
442 | int err; | |
443 | ||
f1b553fb | 444 | en_dbg(HW, priv, "Killing VID:%d\n", vid); |
c27a02cd | 445 | |
f1b553fb | 446 | clear_bit(vid, priv->active_vlans); |
c27a02cd YP |
447 | |
448 | /* Remove VID from port VLAN filter */ | |
449 | mutex_lock(&mdev->state_lock); | |
2009d005 | 450 | mlx4_unregister_vlan(mdev->dev, priv->port, vid); |
4c3eb3ca | 451 | |
c27a02cd | 452 | if (mdev->device_up && priv->port_up) { |
f1b553fb | 453 | err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); |
c27a02cd | 454 | if (err) |
453a6082 | 455 | en_err(priv, "Failed configuring VLAN filter\n"); |
c27a02cd YP |
456 | } |
457 | mutex_unlock(&mdev->state_lock); | |
8e586137 JP |
458 | |
459 | return 0; | |
c27a02cd YP |
460 | } |
461 | ||
6bbb6d99 YB |
462 | static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac) |
463 | { | |
bab6a9ea YB |
464 | int i; |
465 | for (i = ETH_ALEN - 1; i >= 0; --i) { | |
6bbb6d99 YB |
466 | dst_mac[i] = src_mac & 0xff; |
467 | src_mac >>= 8; | |
468 | } | |
469 | memset(&dst_mac[ETH_ALEN], 0, 2); | |
470 | } | |
471 | ||
837052d0 OG |
472 | |
473 | static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr, | |
474 | int qpn, u64 *reg_id) | |
475 | { | |
476 | int err; | |
837052d0 | 477 | |
5eff6dad OG |
478 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || |
479 | priv->mdev->dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) | |
837052d0 OG |
480 | return 0; /* do nothing */ |
481 | ||
b95089d0 OG |
482 | err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn, |
483 | MLX4_DOMAIN_NIC, reg_id); | |
837052d0 OG |
484 | if (err) { |
485 | en_err(priv, "failed to add vxlan steering rule, err %d\n", err); | |
486 | return err; | |
487 | } | |
488 | en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, *reg_id); | |
489 | return 0; | |
490 | } | |
491 | ||
492 | ||
16a10ffd YB |
493 | static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv, |
494 | unsigned char *mac, int *qpn, u64 *reg_id) | |
495 | { | |
496 | struct mlx4_en_dev *mdev = priv->mdev; | |
497 | struct mlx4_dev *dev = mdev->dev; | |
498 | int err; | |
499 | ||
500 | switch (dev->caps.steering_mode) { | |
501 | case MLX4_STEERING_MODE_B0: { | |
502 | struct mlx4_qp qp; | |
503 | u8 gid[16] = {0}; | |
504 | ||
505 | qp.qpn = *qpn; | |
506 | memcpy(&gid[10], mac, ETH_ALEN); | |
507 | gid[5] = priv->port; | |
508 | ||
509 | err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); | |
510 | break; | |
511 | } | |
512 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { | |
513 | struct mlx4_spec_list spec_eth = { {NULL} }; | |
514 | __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); | |
515 | ||
516 | struct mlx4_net_trans_rule rule = { | |
517 | .queue_mode = MLX4_NET_TRANS_Q_FIFO, | |
518 | .exclusive = 0, | |
519 | .allow_loopback = 1, | |
f9162539 | 520 | .promisc_mode = MLX4_FS_REGULAR, |
16a10ffd YB |
521 | .priority = MLX4_DOMAIN_NIC, |
522 | }; | |
523 | ||
524 | rule.port = priv->port; | |
525 | rule.qpn = *qpn; | |
526 | INIT_LIST_HEAD(&rule.list); | |
527 | ||
528 | spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; | |
529 | memcpy(spec_eth.eth.dst_mac, mac, ETH_ALEN); | |
530 | memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); | |
531 | list_add_tail(&spec_eth.list, &rule.list); | |
532 | ||
533 | err = mlx4_flow_attach(dev, &rule, reg_id); | |
534 | break; | |
535 | } | |
536 | default: | |
537 | return -EINVAL; | |
538 | } | |
539 | if (err) | |
540 | en_warn(priv, "Failed Attaching Unicast\n"); | |
541 | ||
542 | return err; | |
543 | } | |
544 | ||
545 | static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv, | |
546 | unsigned char *mac, int qpn, u64 reg_id) | |
547 | { | |
548 | struct mlx4_en_dev *mdev = priv->mdev; | |
549 | struct mlx4_dev *dev = mdev->dev; | |
550 | ||
551 | switch (dev->caps.steering_mode) { | |
552 | case MLX4_STEERING_MODE_B0: { | |
553 | struct mlx4_qp qp; | |
554 | u8 gid[16] = {0}; | |
555 | ||
556 | qp.qpn = qpn; | |
557 | memcpy(&gid[10], mac, ETH_ALEN); | |
558 | gid[5] = priv->port; | |
559 | ||
560 | mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); | |
561 | break; | |
562 | } | |
563 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { | |
564 | mlx4_flow_detach(dev, reg_id); | |
565 | break; | |
566 | } | |
567 | default: | |
568 | en_err(priv, "Invalid steering mode.\n"); | |
569 | } | |
570 | } | |
571 | ||
572 | static int mlx4_en_get_qp(struct mlx4_en_priv *priv) | |
573 | { | |
574 | struct mlx4_en_dev *mdev = priv->mdev; | |
575 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd YB |
576 | int index = 0; |
577 | int err = 0; | |
16a10ffd | 578 | int *qpn = &priv->base_qpn; |
9813337a | 579 | u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr); |
16a10ffd YB |
580 | |
581 | en_dbg(DRV, priv, "Registering MAC: %pM for adding\n", | |
582 | priv->dev->dev_addr); | |
583 | index = mlx4_register_mac(dev, priv->port, mac); | |
584 | if (index < 0) { | |
585 | err = index; | |
586 | en_err(priv, "Failed adding MAC: %pM\n", | |
587 | priv->dev->dev_addr); | |
588 | return err; | |
589 | } | |
590 | ||
591 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { | |
592 | int base_qpn = mlx4_get_base_qpn(dev, priv->port); | |
593 | *qpn = base_qpn + index; | |
594 | return 0; | |
595 | } | |
596 | ||
d57febe1 | 597 | err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP); |
16a10ffd YB |
598 | en_dbg(DRV, priv, "Reserved qp %d\n", *qpn); |
599 | if (err) { | |
600 | en_err(priv, "Failed to reserve qp for mac registration\n"); | |
ba4b87ae IS |
601 | mlx4_unregister_mac(dev, priv->port, mac); |
602 | return err; | |
16a10ffd | 603 | } |
16a10ffd | 604 | |
c07cb4b0 | 605 | return 0; |
16a10ffd YB |
606 | } |
607 | ||
608 | static void mlx4_en_put_qp(struct mlx4_en_priv *priv) | |
609 | { | |
610 | struct mlx4_en_dev *mdev = priv->mdev; | |
611 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd | 612 | int qpn = priv->base_qpn; |
16a10ffd | 613 | |
83a5a6ce | 614 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { |
ba4b87ae | 615 | u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr); |
83a5a6ce YB |
616 | en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", |
617 | priv->dev->dev_addr); | |
618 | mlx4_unregister_mac(dev, priv->port, mac); | |
619 | } else { | |
83a5a6ce YB |
620 | en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", |
621 | priv->port, qpn); | |
622 | mlx4_qp_release_range(dev, qpn, 1); | |
623 | priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; | |
16a10ffd YB |
624 | } |
625 | } | |
626 | ||
627 | static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn, | |
90bbb74a | 628 | unsigned char *new_mac, unsigned char *prev_mac) |
16a10ffd YB |
629 | { |
630 | struct mlx4_en_dev *mdev = priv->mdev; | |
631 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd | 632 | int err = 0; |
9813337a | 633 | u64 new_mac_u64 = mlx4_mac_to_u64(new_mac); |
16a10ffd YB |
634 | |
635 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { | |
c07cb4b0 YB |
636 | struct hlist_head *bucket; |
637 | unsigned int mac_hash; | |
638 | struct mlx4_mac_entry *entry; | |
b67bfe0d | 639 | struct hlist_node *tmp; |
9813337a | 640 | u64 prev_mac_u64 = mlx4_mac_to_u64(prev_mac); |
c07cb4b0 YB |
641 | |
642 | bucket = &priv->mac_hash[prev_mac[MLX4_EN_MAC_HASH_IDX]]; | |
b67bfe0d | 643 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { |
c07cb4b0 YB |
644 | if (ether_addr_equal_64bits(entry->mac, prev_mac)) { |
645 | mlx4_en_uc_steer_release(priv, entry->mac, | |
646 | qpn, entry->reg_id); | |
647 | mlx4_unregister_mac(dev, priv->port, | |
648 | prev_mac_u64); | |
649 | hlist_del_rcu(&entry->hlist); | |
650 | synchronize_rcu(); | |
651 | memcpy(entry->mac, new_mac, ETH_ALEN); | |
652 | entry->reg_id = 0; | |
653 | mac_hash = new_mac[MLX4_EN_MAC_HASH_IDX]; | |
654 | hlist_add_head_rcu(&entry->hlist, | |
655 | &priv->mac_hash[mac_hash]); | |
656 | mlx4_register_mac(dev, priv->port, new_mac_u64); | |
657 | err = mlx4_en_uc_steer_add(priv, new_mac, | |
658 | &qpn, | |
659 | &entry->reg_id); | |
2a2083f7 OG |
660 | if (err) |
661 | return err; | |
662 | if (priv->tunnel_reg_id) { | |
663 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
664 | priv->tunnel_reg_id = 0; | |
665 | } | |
666 | err = mlx4_en_tunnel_steer_add(priv, new_mac, qpn, | |
667 | &priv->tunnel_reg_id); | |
c07cb4b0 YB |
668 | return err; |
669 | } | |
670 | } | |
671 | return -EINVAL; | |
16a10ffd YB |
672 | } |
673 | ||
674 | return __mlx4_replace_mac(dev, priv->port, qpn, new_mac_u64); | |
675 | } | |
676 | ||
2695bab2 NO |
677 | static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv, |
678 | unsigned char new_mac[ETH_ALEN + 2]) | |
c27a02cd | 679 | { |
c27a02cd YP |
680 | int err = 0; |
681 | ||
c27a02cd YP |
682 | if (priv->port_up) { |
683 | /* Remove old MAC and insert the new one */ | |
16a10ffd | 684 | err = mlx4_en_replace_mac(priv, priv->base_qpn, |
2695bab2 | 685 | new_mac, priv->current_mac); |
c27a02cd | 686 | if (err) |
453a6082 | 687 | en_err(priv, "Failed changing HW MAC address\n"); |
c27a02cd | 688 | } else |
48e551ff | 689 | en_dbg(HW, priv, "Port is down while registering mac, exiting...\n"); |
c27a02cd | 690 | |
2695bab2 NO |
691 | if (!err) |
692 | memcpy(priv->current_mac, new_mac, sizeof(priv->current_mac)); | |
ee755324 | 693 | |
bfa8ab47 YB |
694 | return err; |
695 | } | |
696 | ||
697 | static int mlx4_en_set_mac(struct net_device *dev, void *addr) | |
698 | { | |
699 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
700 | struct mlx4_en_dev *mdev = priv->mdev; | |
701 | struct sockaddr *saddr = addr; | |
2695bab2 | 702 | unsigned char new_mac[ETH_ALEN + 2]; |
bfa8ab47 YB |
703 | int err; |
704 | ||
705 | if (!is_valid_ether_addr(saddr->sa_data)) | |
706 | return -EADDRNOTAVAIL; | |
707 | ||
bfa8ab47 | 708 | mutex_lock(&mdev->state_lock); |
2695bab2 NO |
709 | memcpy(new_mac, saddr->sa_data, ETH_ALEN); |
710 | err = mlx4_en_do_set_mac(priv, new_mac); | |
711 | if (!err) | |
712 | memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); | |
c27a02cd | 713 | mutex_unlock(&mdev->state_lock); |
bfa8ab47 YB |
714 | |
715 | return err; | |
c27a02cd YP |
716 | } |
717 | ||
718 | static void mlx4_en_clear_list(struct net_device *dev) | |
719 | { | |
720 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
6d199937 | 721 | struct mlx4_en_mc_list *tmp, *mc_to_del; |
c27a02cd | 722 | |
6d199937 YP |
723 | list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) { |
724 | list_del(&mc_to_del->list); | |
725 | kfree(mc_to_del); | |
726 | } | |
c27a02cd YP |
727 | } |
728 | ||
729 | static void mlx4_en_cache_mclist(struct net_device *dev) | |
730 | { | |
731 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
22bedad3 | 732 | struct netdev_hw_addr *ha; |
6d199937 | 733 | struct mlx4_en_mc_list *tmp; |
ff6e2163 | 734 | |
0e03567a | 735 | mlx4_en_clear_list(dev); |
6d199937 YP |
736 | netdev_for_each_mc_addr(ha, dev) { |
737 | tmp = kzalloc(sizeof(struct mlx4_en_mc_list), GFP_ATOMIC); | |
738 | if (!tmp) { | |
6d199937 YP |
739 | mlx4_en_clear_list(dev); |
740 | return; | |
741 | } | |
742 | memcpy(tmp->addr, ha->addr, ETH_ALEN); | |
743 | list_add_tail(&tmp->list, &priv->mc_list); | |
744 | } | |
c27a02cd YP |
745 | } |
746 | ||
6d199937 YP |
747 | static void update_mclist_flags(struct mlx4_en_priv *priv, |
748 | struct list_head *dst, | |
749 | struct list_head *src) | |
750 | { | |
751 | struct mlx4_en_mc_list *dst_tmp, *src_tmp, *new_mc; | |
752 | bool found; | |
753 | ||
754 | /* Find all the entries that should be removed from dst, | |
755 | * These are the entries that are not found in src | |
756 | */ | |
757 | list_for_each_entry(dst_tmp, dst, list) { | |
758 | found = false; | |
759 | list_for_each_entry(src_tmp, src, list) { | |
c0623e58 | 760 | if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { |
6d199937 YP |
761 | found = true; |
762 | break; | |
763 | } | |
764 | } | |
765 | if (!found) | |
766 | dst_tmp->action = MCLIST_REM; | |
767 | } | |
768 | ||
769 | /* Add entries that exist in src but not in dst | |
770 | * mark them as need to add | |
771 | */ | |
772 | list_for_each_entry(src_tmp, src, list) { | |
773 | found = false; | |
774 | list_for_each_entry(dst_tmp, dst, list) { | |
c0623e58 | 775 | if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { |
6d199937 YP |
776 | dst_tmp->action = MCLIST_NONE; |
777 | found = true; | |
778 | break; | |
779 | } | |
780 | } | |
781 | if (!found) { | |
14f8dc49 JP |
782 | new_mc = kmemdup(src_tmp, |
783 | sizeof(struct mlx4_en_mc_list), | |
6d199937 | 784 | GFP_KERNEL); |
14f8dc49 | 785 | if (!new_mc) |
6d199937 | 786 | return; |
14f8dc49 | 787 | |
6d199937 YP |
788 | new_mc->action = MCLIST_ADD; |
789 | list_add_tail(&new_mc->list, dst); | |
790 | } | |
791 | } | |
792 | } | |
c27a02cd | 793 | |
0eb74fdd | 794 | static void mlx4_en_set_rx_mode(struct net_device *dev) |
c27a02cd YP |
795 | { |
796 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
797 | ||
798 | if (!priv->port_up) | |
799 | return; | |
800 | ||
0eb74fdd | 801 | queue_work(priv->mdev->workqueue, &priv->rx_mode_task); |
c27a02cd YP |
802 | } |
803 | ||
0eb74fdd YB |
804 | static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv, |
805 | struct mlx4_en_dev *mdev) | |
c27a02cd | 806 | { |
c96d97f4 | 807 | int err = 0; |
c27a02cd | 808 | |
0eb74fdd | 809 | if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) { |
c27a02cd | 810 | if (netif_msg_rx_status(priv)) |
0eb74fdd YB |
811 | en_warn(priv, "Entering promiscuous mode\n"); |
812 | priv->flags |= MLX4_EN_FLAG_PROMISC; | |
c27a02cd | 813 | |
0eb74fdd | 814 | /* Enable promiscouos mode */ |
c96d97f4 | 815 | switch (mdev->dev->caps.steering_mode) { |
592e49dd | 816 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
0eb74fdd YB |
817 | err = mlx4_flow_steer_promisc_add(mdev->dev, |
818 | priv->port, | |
819 | priv->base_qpn, | |
f9162539 | 820 | MLX4_FS_ALL_DEFAULT); |
592e49dd | 821 | if (err) |
0eb74fdd YB |
822 | en_err(priv, "Failed enabling promiscuous mode\n"); |
823 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
592e49dd HHZ |
824 | break; |
825 | ||
c96d97f4 | 826 | case MLX4_STEERING_MODE_B0: |
0eb74fdd YB |
827 | err = mlx4_unicast_promisc_add(mdev->dev, |
828 | priv->base_qpn, | |
829 | priv->port); | |
c96d97f4 | 830 | if (err) |
0eb74fdd YB |
831 | en_err(priv, "Failed enabling unicast promiscuous mode\n"); |
832 | ||
833 | /* Add the default qp number as multicast | |
834 | * promisc | |
835 | */ | |
836 | if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { | |
837 | err = mlx4_multicast_promisc_add(mdev->dev, | |
838 | priv->base_qpn, | |
839 | priv->port); | |
c96d97f4 | 840 | if (err) |
0eb74fdd YB |
841 | en_err(priv, "Failed enabling multicast promiscuous mode\n"); |
842 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
c96d97f4 HHZ |
843 | } |
844 | break; | |
c27a02cd | 845 | |
c96d97f4 HHZ |
846 | case MLX4_STEERING_MODE_A0: |
847 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, | |
848 | priv->port, | |
0eb74fdd YB |
849 | priv->base_qpn, |
850 | 1); | |
1679200f | 851 | if (err) |
0eb74fdd | 852 | en_err(priv, "Failed enabling promiscuous mode\n"); |
c96d97f4 | 853 | break; |
1679200f YP |
854 | } |
855 | ||
0eb74fdd YB |
856 | /* Disable port multicast filter (unconditionally) */ |
857 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
858 | 0, MLX4_MCAST_DISABLE); | |
859 | if (err) | |
860 | en_err(priv, "Failed disabling multicast filter\n"); | |
0eb74fdd YB |
861 | } |
862 | } | |
863 | ||
864 | static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv, | |
865 | struct mlx4_en_dev *mdev) | |
866 | { | |
867 | int err = 0; | |
868 | ||
869 | if (netif_msg_rx_status(priv)) | |
870 | en_warn(priv, "Leaving promiscuous mode\n"); | |
871 | priv->flags &= ~MLX4_EN_FLAG_PROMISC; | |
872 | ||
873 | /* Disable promiscouos mode */ | |
874 | switch (mdev->dev->caps.steering_mode) { | |
875 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
876 | err = mlx4_flow_steer_promisc_remove(mdev->dev, | |
877 | priv->port, | |
f9162539 | 878 | MLX4_FS_ALL_DEFAULT); |
0eb74fdd YB |
879 | if (err) |
880 | en_err(priv, "Failed disabling promiscuous mode\n"); | |
881 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
882 | break; | |
883 | ||
884 | case MLX4_STEERING_MODE_B0: | |
885 | err = mlx4_unicast_promisc_remove(mdev->dev, | |
886 | priv->base_qpn, | |
887 | priv->port); | |
888 | if (err) | |
889 | en_err(priv, "Failed disabling unicast promiscuous mode\n"); | |
890 | /* Disable Multicast promisc */ | |
891 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
892 | err = mlx4_multicast_promisc_remove(mdev->dev, | |
893 | priv->base_qpn, | |
894 | priv->port); | |
895 | if (err) | |
896 | en_err(priv, "Failed disabling multicast promiscuous mode\n"); | |
897 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
898 | } | |
899 | break; | |
900 | ||
901 | case MLX4_STEERING_MODE_A0: | |
902 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, | |
903 | priv->port, | |
904 | priv->base_qpn, 0); | |
905 | if (err) | |
906 | en_err(priv, "Failed disabling promiscuous mode\n"); | |
907 | break; | |
c27a02cd | 908 | } |
0eb74fdd YB |
909 | } |
910 | ||
911 | static void mlx4_en_do_multicast(struct mlx4_en_priv *priv, | |
912 | struct net_device *dev, | |
913 | struct mlx4_en_dev *mdev) | |
914 | { | |
915 | struct mlx4_en_mc_list *mclist, *tmp; | |
916 | u64 mcast_addr = 0; | |
917 | u8 mc_list[16] = {0}; | |
918 | int err = 0; | |
919 | ||
c27a02cd YP |
920 | /* Enable/disable the multicast filter according to IFF_ALLMULTI */ |
921 | if (dev->flags & IFF_ALLMULTI) { | |
922 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
923 | 0, MLX4_MCAST_DISABLE); | |
924 | if (err) | |
453a6082 | 925 | en_err(priv, "Failed disabling multicast filter\n"); |
1679200f YP |
926 | |
927 | /* Add the default qp number as multicast promisc */ | |
928 | if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { | |
c96d97f4 | 929 | switch (mdev->dev->caps.steering_mode) { |
592e49dd HHZ |
930 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
931 | err = mlx4_flow_steer_promisc_add(mdev->dev, | |
932 | priv->port, | |
933 | priv->base_qpn, | |
f9162539 | 934 | MLX4_FS_MC_DEFAULT); |
592e49dd HHZ |
935 | break; |
936 | ||
c96d97f4 HHZ |
937 | case MLX4_STEERING_MODE_B0: |
938 | err = mlx4_multicast_promisc_add(mdev->dev, | |
939 | priv->base_qpn, | |
940 | priv->port); | |
941 | break; | |
942 | ||
943 | case MLX4_STEERING_MODE_A0: | |
944 | break; | |
945 | } | |
1679200f YP |
946 | if (err) |
947 | en_err(priv, "Failed entering multicast promisc mode\n"); | |
948 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
949 | } | |
c27a02cd | 950 | } else { |
1679200f YP |
951 | /* Disable Multicast promisc */ |
952 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
c96d97f4 | 953 | switch (mdev->dev->caps.steering_mode) { |
592e49dd HHZ |
954 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
955 | err = mlx4_flow_steer_promisc_remove(mdev->dev, | |
956 | priv->port, | |
f9162539 | 957 | MLX4_FS_MC_DEFAULT); |
592e49dd HHZ |
958 | break; |
959 | ||
c96d97f4 HHZ |
960 | case MLX4_STEERING_MODE_B0: |
961 | err = mlx4_multicast_promisc_remove(mdev->dev, | |
962 | priv->base_qpn, | |
963 | priv->port); | |
964 | break; | |
965 | ||
966 | case MLX4_STEERING_MODE_A0: | |
967 | break; | |
968 | } | |
1679200f | 969 | if (err) |
25985edc | 970 | en_err(priv, "Failed disabling multicast promiscuous mode\n"); |
1679200f YP |
971 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; |
972 | } | |
ff6e2163 | 973 | |
c27a02cd YP |
974 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, |
975 | 0, MLX4_MCAST_DISABLE); | |
976 | if (err) | |
453a6082 | 977 | en_err(priv, "Failed disabling multicast filter\n"); |
c27a02cd YP |
978 | |
979 | /* Flush mcast filter and init it with broadcast address */ | |
980 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST, | |
981 | 1, MLX4_MCAST_CONFIG); | |
982 | ||
983 | /* Update multicast list - we cache all addresses so they won't | |
984 | * change while HW is updated holding the command semaphor */ | |
dbd501a8 | 985 | netif_addr_lock_bh(dev); |
c27a02cd | 986 | mlx4_en_cache_mclist(dev); |
dbd501a8 | 987 | netif_addr_unlock_bh(dev); |
6d199937 | 988 | list_for_each_entry(mclist, &priv->mc_list, list) { |
9813337a | 989 | mcast_addr = mlx4_mac_to_u64(mclist->addr); |
c27a02cd YP |
990 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, |
991 | mcast_addr, 0, MLX4_MCAST_CONFIG); | |
992 | } | |
993 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
994 | 0, MLX4_MCAST_ENABLE); | |
995 | if (err) | |
453a6082 | 996 | en_err(priv, "Failed enabling multicast filter\n"); |
6d199937 YP |
997 | |
998 | update_mclist_flags(priv, &priv->curr_list, &priv->mc_list); | |
999 | list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) { | |
1000 | if (mclist->action == MCLIST_REM) { | |
1001 | /* detach this address and delete from list */ | |
1002 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
1003 | mc_list[5] = priv->port; | |
1004 | err = mlx4_multicast_detach(mdev->dev, | |
1005 | &priv->rss_map.indir_qp, | |
1006 | mc_list, | |
0ff1fb65 HHZ |
1007 | MLX4_PROT_ETH, |
1008 | mclist->reg_id); | |
6d199937 YP |
1009 | if (err) |
1010 | en_err(priv, "Fail to detach multicast address\n"); | |
1011 | ||
837052d0 OG |
1012 | if (mclist->tunnel_reg_id) { |
1013 | err = mlx4_flow_detach(priv->mdev->dev, mclist->tunnel_reg_id); | |
1014 | if (err) | |
1015 | en_err(priv, "Failed to detach multicast address\n"); | |
1016 | } | |
1017 | ||
6d199937 YP |
1018 | /* remove from list */ |
1019 | list_del(&mclist->list); | |
1020 | kfree(mclist); | |
9c64508a | 1021 | } else if (mclist->action == MCLIST_ADD) { |
6d199937 YP |
1022 | /* attach the address */ |
1023 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
0ff1fb65 | 1024 | /* needed for B0 steering support */ |
6d199937 YP |
1025 | mc_list[5] = priv->port; |
1026 | err = mlx4_multicast_attach(mdev->dev, | |
1027 | &priv->rss_map.indir_qp, | |
0ff1fb65 HHZ |
1028 | mc_list, |
1029 | priv->port, 0, | |
1030 | MLX4_PROT_ETH, | |
1031 | &mclist->reg_id); | |
6d199937 YP |
1032 | if (err) |
1033 | en_err(priv, "Fail to attach multicast address\n"); | |
1034 | ||
837052d0 OG |
1035 | err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn, |
1036 | &mclist->tunnel_reg_id); | |
1037 | if (err) | |
1038 | en_err(priv, "Failed to attach multicast address\n"); | |
6d199937 YP |
1039 | } |
1040 | } | |
c27a02cd | 1041 | } |
0eb74fdd YB |
1042 | } |
1043 | ||
cc5387f7 YB |
1044 | static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv, |
1045 | struct net_device *dev, | |
1046 | struct mlx4_en_dev *mdev) | |
1047 | { | |
1048 | struct netdev_hw_addr *ha; | |
1049 | struct mlx4_mac_entry *entry; | |
b67bfe0d | 1050 | struct hlist_node *tmp; |
cc5387f7 YB |
1051 | bool found; |
1052 | u64 mac; | |
1053 | int err = 0; | |
1054 | struct hlist_head *bucket; | |
1055 | unsigned int i; | |
1056 | int removed = 0; | |
1057 | u32 prev_flags; | |
1058 | ||
1059 | /* Note that we do not need to protect our mac_hash traversal with rcu, | |
1060 | * since all modification code is protected by mdev->state_lock | |
1061 | */ | |
1062 | ||
1063 | /* find what to remove */ | |
1064 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { | |
1065 | bucket = &priv->mac_hash[i]; | |
b67bfe0d | 1066 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { |
cc5387f7 YB |
1067 | found = false; |
1068 | netdev_for_each_uc_addr(ha, dev) { | |
1069 | if (ether_addr_equal_64bits(entry->mac, | |
1070 | ha->addr)) { | |
1071 | found = true; | |
1072 | break; | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* MAC address of the port is not in uc list */ | |
2695bab2 NO |
1077 | if (ether_addr_equal_64bits(entry->mac, |
1078 | priv->current_mac)) | |
cc5387f7 YB |
1079 | found = true; |
1080 | ||
1081 | if (!found) { | |
9813337a | 1082 | mac = mlx4_mac_to_u64(entry->mac); |
cc5387f7 YB |
1083 | mlx4_en_uc_steer_release(priv, entry->mac, |
1084 | priv->base_qpn, | |
1085 | entry->reg_id); | |
1086 | mlx4_unregister_mac(mdev->dev, priv->port, mac); | |
1087 | ||
1088 | hlist_del_rcu(&entry->hlist); | |
1089 | kfree_rcu(entry, rcu); | |
1090 | en_dbg(DRV, priv, "Removed MAC %pM on port:%d\n", | |
1091 | entry->mac, priv->port); | |
1092 | ++removed; | |
1093 | } | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | /* if we didn't remove anything, there is no use in trying to add | |
1098 | * again once we are in a forced promisc mode state | |
1099 | */ | |
1100 | if ((priv->flags & MLX4_EN_FLAG_FORCE_PROMISC) && 0 == removed) | |
1101 | return; | |
1102 | ||
1103 | prev_flags = priv->flags; | |
1104 | priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; | |
1105 | ||
1106 | /* find what to add */ | |
1107 | netdev_for_each_uc_addr(ha, dev) { | |
1108 | found = false; | |
1109 | bucket = &priv->mac_hash[ha->addr[MLX4_EN_MAC_HASH_IDX]]; | |
b67bfe0d | 1110 | hlist_for_each_entry(entry, bucket, hlist) { |
cc5387f7 YB |
1111 | if (ether_addr_equal_64bits(entry->mac, ha->addr)) { |
1112 | found = true; | |
1113 | break; | |
1114 | } | |
1115 | } | |
1116 | ||
1117 | if (!found) { | |
1118 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); | |
1119 | if (!entry) { | |
1120 | en_err(priv, "Failed adding MAC %pM on port:%d (out of memory)\n", | |
1121 | ha->addr, priv->port); | |
1122 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1123 | break; | |
1124 | } | |
9813337a | 1125 | mac = mlx4_mac_to_u64(ha->addr); |
cc5387f7 YB |
1126 | memcpy(entry->mac, ha->addr, ETH_ALEN); |
1127 | err = mlx4_register_mac(mdev->dev, priv->port, mac); | |
1128 | if (err < 0) { | |
1129 | en_err(priv, "Failed registering MAC %pM on port %d: %d\n", | |
1130 | ha->addr, priv->port, err); | |
1131 | kfree(entry); | |
1132 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1133 | break; | |
1134 | } | |
1135 | err = mlx4_en_uc_steer_add(priv, ha->addr, | |
1136 | &priv->base_qpn, | |
1137 | &entry->reg_id); | |
1138 | if (err) { | |
1139 | en_err(priv, "Failed adding MAC %pM on port %d: %d\n", | |
1140 | ha->addr, priv->port, err); | |
1141 | mlx4_unregister_mac(mdev->dev, priv->port, mac); | |
1142 | kfree(entry); | |
1143 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1144 | break; | |
1145 | } else { | |
1146 | unsigned int mac_hash; | |
1147 | en_dbg(DRV, priv, "Added MAC %pM on port:%d\n", | |
1148 | ha->addr, priv->port); | |
1149 | mac_hash = ha->addr[MLX4_EN_MAC_HASH_IDX]; | |
1150 | bucket = &priv->mac_hash[mac_hash]; | |
1151 | hlist_add_head_rcu(&entry->hlist, bucket); | |
1152 | } | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | if (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC) { | |
1157 | en_warn(priv, "Forcing promiscuous mode on port:%d\n", | |
1158 | priv->port); | |
1159 | } else if (prev_flags & MLX4_EN_FLAG_FORCE_PROMISC) { | |
1160 | en_warn(priv, "Stop forcing promiscuous mode on port:%d\n", | |
1161 | priv->port); | |
1162 | } | |
1163 | } | |
1164 | ||
0eb74fdd YB |
1165 | static void mlx4_en_do_set_rx_mode(struct work_struct *work) |
1166 | { | |
1167 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1168 | rx_mode_task); | |
1169 | struct mlx4_en_dev *mdev = priv->mdev; | |
1170 | struct net_device *dev = priv->dev; | |
1171 | ||
1172 | mutex_lock(&mdev->state_lock); | |
1173 | if (!mdev->device_up) { | |
1174 | en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n"); | |
1175 | goto out; | |
1176 | } | |
1177 | if (!priv->port_up) { | |
1178 | en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n"); | |
1179 | goto out; | |
1180 | } | |
1181 | ||
1182 | if (!netif_carrier_ok(dev)) { | |
1183 | if (!mlx4_en_QUERY_PORT(mdev, priv->port)) { | |
1184 | if (priv->port_state.link_state) { | |
1185 | priv->last_link_state = MLX4_DEV_EVENT_PORT_UP; | |
1186 | netif_carrier_on(dev); | |
1187 | en_dbg(LINK, priv, "Link Up\n"); | |
1188 | } | |
1189 | } | |
1190 | } | |
1191 | ||
cc5387f7 YB |
1192 | if (dev->priv_flags & IFF_UNICAST_FLT) |
1193 | mlx4_en_do_uc_filter(priv, dev, mdev); | |
1194 | ||
0eb74fdd | 1195 | /* Promsicuous mode: disable all filters */ |
cc5387f7 YB |
1196 | if ((dev->flags & IFF_PROMISC) || |
1197 | (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) { | |
0eb74fdd YB |
1198 | mlx4_en_set_promisc_mode(priv, mdev); |
1199 | goto out; | |
1200 | } | |
1201 | ||
1202 | /* Not in promiscuous mode */ | |
1203 | if (priv->flags & MLX4_EN_FLAG_PROMISC) | |
1204 | mlx4_en_clear_promisc_mode(priv, mdev); | |
1205 | ||
1206 | mlx4_en_do_multicast(priv, dev, mdev); | |
c27a02cd YP |
1207 | out: |
1208 | mutex_unlock(&mdev->state_lock); | |
1209 | } | |
1210 | ||
1211 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1212 | static void mlx4_en_netpoll(struct net_device *dev) | |
1213 | { | |
1214 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1215 | struct mlx4_en_cq *cq; | |
c27a02cd YP |
1216 | int i; |
1217 | ||
1218 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1219 | cq = priv->rx_cq[i]; |
c98235cb | 1220 | napi_schedule(&cq->napi); |
c27a02cd YP |
1221 | } |
1222 | } | |
1223 | #endif | |
1224 | ||
ba4b87ae IS |
1225 | static int mlx4_en_set_rss_steer_rules(struct mlx4_en_priv *priv) |
1226 | { | |
1227 | u64 reg_id; | |
1228 | int err = 0; | |
1229 | int *qpn = &priv->base_qpn; | |
1230 | struct mlx4_mac_entry *entry; | |
1231 | ||
1232 | err = mlx4_en_uc_steer_add(priv, priv->dev->dev_addr, qpn, ®_id); | |
1233 | if (err) | |
1234 | return err; | |
1235 | ||
1236 | err = mlx4_en_tunnel_steer_add(priv, priv->dev->dev_addr, *qpn, | |
1237 | &priv->tunnel_reg_id); | |
1238 | if (err) | |
1239 | goto tunnel_err; | |
1240 | ||
1241 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); | |
1242 | if (!entry) { | |
1243 | err = -ENOMEM; | |
1244 | goto alloc_err; | |
1245 | } | |
1246 | ||
1247 | memcpy(entry->mac, priv->dev->dev_addr, sizeof(entry->mac)); | |
1248 | memcpy(priv->current_mac, entry->mac, sizeof(priv->current_mac)); | |
1249 | entry->reg_id = reg_id; | |
1250 | hlist_add_head_rcu(&entry->hlist, | |
1251 | &priv->mac_hash[entry->mac[MLX4_EN_MAC_HASH_IDX]]); | |
1252 | ||
1253 | return 0; | |
1254 | ||
1255 | alloc_err: | |
1256 | if (priv->tunnel_reg_id) | |
1257 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
1258 | ||
1259 | tunnel_err: | |
1260 | mlx4_en_uc_steer_release(priv, priv->dev->dev_addr, *qpn, reg_id); | |
1261 | return err; | |
1262 | } | |
1263 | ||
1264 | static void mlx4_en_delete_rss_steer_rules(struct mlx4_en_priv *priv) | |
1265 | { | |
1266 | u64 mac; | |
1267 | unsigned int i; | |
1268 | int qpn = priv->base_qpn; | |
1269 | struct hlist_head *bucket; | |
1270 | struct hlist_node *tmp; | |
1271 | struct mlx4_mac_entry *entry; | |
1272 | ||
1273 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { | |
1274 | bucket = &priv->mac_hash[i]; | |
1275 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { | |
1276 | mac = mlx4_mac_to_u64(entry->mac); | |
1277 | en_dbg(DRV, priv, "Registering MAC:%pM for deleting\n", | |
1278 | entry->mac); | |
1279 | mlx4_en_uc_steer_release(priv, entry->mac, | |
1280 | qpn, entry->reg_id); | |
1281 | ||
1282 | mlx4_unregister_mac(priv->mdev->dev, priv->port, mac); | |
1283 | hlist_del_rcu(&entry->hlist); | |
1284 | kfree_rcu(entry, rcu); | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | if (priv->tunnel_reg_id) { | |
1289 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
1290 | priv->tunnel_reg_id = 0; | |
1291 | } | |
1292 | } | |
1293 | ||
c27a02cd YP |
1294 | static void mlx4_en_tx_timeout(struct net_device *dev) |
1295 | { | |
1296 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1297 | struct mlx4_en_dev *mdev = priv->mdev; | |
b944ebec | 1298 | int i; |
c27a02cd YP |
1299 | |
1300 | if (netif_msg_timer(priv)) | |
453a6082 | 1301 | en_warn(priv, "Tx timeout called on port:%d\n", priv->port); |
c27a02cd | 1302 | |
b944ebec YP |
1303 | for (i = 0; i < priv->tx_ring_num; i++) { |
1304 | if (!netif_tx_queue_stopped(netdev_get_tx_queue(dev, i))) | |
1305 | continue; | |
1306 | en_warn(priv, "TX timeout on queue: %d, QP: 0x%x, CQ: 0x%x, Cons: 0x%x, Prod: 0x%x\n", | |
41d942d5 EE |
1307 | i, priv->tx_ring[i]->qpn, priv->tx_ring[i]->cqn, |
1308 | priv->tx_ring[i]->cons, priv->tx_ring[i]->prod); | |
b944ebec YP |
1309 | } |
1310 | ||
1e338db5 | 1311 | priv->port_stats.tx_timeout++; |
453a6082 | 1312 | en_dbg(DRV, priv, "Scheduling watchdog\n"); |
1e338db5 | 1313 | queue_work(mdev->workqueue, &priv->watchdog_task); |
c27a02cd YP |
1314 | } |
1315 | ||
1316 | ||
1317 | static struct net_device_stats *mlx4_en_get_stats(struct net_device *dev) | |
1318 | { | |
1319 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1320 | ||
1321 | spin_lock_bh(&priv->stats_lock); | |
1322 | memcpy(&priv->ret_stats, &priv->stats, sizeof(priv->stats)); | |
1323 | spin_unlock_bh(&priv->stats_lock); | |
1324 | ||
1325 | return &priv->ret_stats; | |
1326 | } | |
1327 | ||
1328 | static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) | |
1329 | { | |
c27a02cd YP |
1330 | struct mlx4_en_cq *cq; |
1331 | int i; | |
1332 | ||
1333 | /* If we haven't received a specific coalescing setting | |
98a1708d | 1334 | * (module param), we set the moderation parameters as follows: |
c27a02cd | 1335 | * - moder_cnt is set to the number of mtu sized packets to |
ecfd2ce1 | 1336 | * satisfy our coalescing target. |
c27a02cd YP |
1337 | * - moder_time is set to a fixed value. |
1338 | */ | |
3db36fb2 | 1339 | priv->rx_frames = MLX4_EN_RX_COAL_TARGET; |
60b9f9e5 | 1340 | priv->rx_usecs = MLX4_EN_RX_COAL_TIME; |
a19a848a YP |
1341 | priv->tx_frames = MLX4_EN_TX_COAL_PKTS; |
1342 | priv->tx_usecs = MLX4_EN_TX_COAL_TIME; | |
48e551ff YB |
1343 | en_dbg(INTR, priv, "Default coalesing params for mtu:%d - rx_frames:%d rx_usecs:%d\n", |
1344 | priv->dev->mtu, priv->rx_frames, priv->rx_usecs); | |
c27a02cd YP |
1345 | |
1346 | /* Setup cq moderation params */ | |
1347 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1348 | cq = priv->rx_cq[i]; |
c27a02cd YP |
1349 | cq->moder_cnt = priv->rx_frames; |
1350 | cq->moder_time = priv->rx_usecs; | |
6b4d8d9f AG |
1351 | priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; |
1352 | priv->last_moder_packets[i] = 0; | |
1353 | priv->last_moder_bytes[i] = 0; | |
c27a02cd YP |
1354 | } |
1355 | ||
1356 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 | 1357 | cq = priv->tx_cq[i]; |
a19a848a YP |
1358 | cq->moder_cnt = priv->tx_frames; |
1359 | cq->moder_time = priv->tx_usecs; | |
c27a02cd YP |
1360 | } |
1361 | ||
1362 | /* Reset auto-moderation params */ | |
1363 | priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW; | |
1364 | priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW; | |
1365 | priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH; | |
1366 | priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH; | |
1367 | priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL; | |
60b9f9e5 | 1368 | priv->adaptive_rx_coal = 1; |
c27a02cd | 1369 | priv->last_moder_jiffies = 0; |
c27a02cd | 1370 | priv->last_moder_tx_packets = 0; |
c27a02cd YP |
1371 | } |
1372 | ||
1373 | static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) | |
1374 | { | |
1375 | unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies); | |
c27a02cd YP |
1376 | struct mlx4_en_cq *cq; |
1377 | unsigned long packets; | |
1378 | unsigned long rate; | |
1379 | unsigned long avg_pkt_size; | |
1380 | unsigned long rx_packets; | |
1381 | unsigned long rx_bytes; | |
c27a02cd YP |
1382 | unsigned long rx_pkt_diff; |
1383 | int moder_time; | |
6b4d8d9f | 1384 | int ring, err; |
c27a02cd YP |
1385 | |
1386 | if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ) | |
1387 | return; | |
1388 | ||
6b4d8d9f AG |
1389 | for (ring = 0; ring < priv->rx_ring_num; ring++) { |
1390 | spin_lock_bh(&priv->stats_lock); | |
41d942d5 EE |
1391 | rx_packets = priv->rx_ring[ring]->packets; |
1392 | rx_bytes = priv->rx_ring[ring]->bytes; | |
6b4d8d9f AG |
1393 | spin_unlock_bh(&priv->stats_lock); |
1394 | ||
1395 | rx_pkt_diff = ((unsigned long) (rx_packets - | |
1396 | priv->last_moder_packets[ring])); | |
1397 | packets = rx_pkt_diff; | |
1398 | rate = packets * HZ / period; | |
1399 | avg_pkt_size = packets ? ((unsigned long) (rx_bytes - | |
1400 | priv->last_moder_bytes[ring])) / packets : 0; | |
1401 | ||
1402 | /* Apply auto-moderation only when packet rate | |
1403 | * exceeds a rate that it matters */ | |
1404 | if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) && | |
1405 | avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) { | |
c27a02cd YP |
1406 | if (rate < priv->pkt_rate_low) |
1407 | moder_time = priv->rx_usecs_low; | |
1408 | else if (rate > priv->pkt_rate_high) | |
1409 | moder_time = priv->rx_usecs_high; | |
1410 | else | |
1411 | moder_time = (rate - priv->pkt_rate_low) * | |
1412 | (priv->rx_usecs_high - priv->rx_usecs_low) / | |
1413 | (priv->pkt_rate_high - priv->pkt_rate_low) + | |
1414 | priv->rx_usecs_low; | |
6b4d8d9f AG |
1415 | } else { |
1416 | moder_time = priv->rx_usecs_low; | |
c27a02cd | 1417 | } |
c27a02cd | 1418 | |
6b4d8d9f AG |
1419 | if (moder_time != priv->last_moder_time[ring]) { |
1420 | priv->last_moder_time[ring] = moder_time; | |
41d942d5 | 1421 | cq = priv->rx_cq[ring]; |
c27a02cd | 1422 | cq->moder_time = moder_time; |
a1c6693a | 1423 | cq->moder_cnt = priv->rx_frames; |
c27a02cd | 1424 | err = mlx4_en_set_cq_moder(priv, cq); |
6b4d8d9f | 1425 | if (err) |
48e551ff YB |
1426 | en_err(priv, "Failed modifying moderation for cq:%d\n", |
1427 | ring); | |
c27a02cd | 1428 | } |
6b4d8d9f AG |
1429 | priv->last_moder_packets[ring] = rx_packets; |
1430 | priv->last_moder_bytes[ring] = rx_bytes; | |
c27a02cd YP |
1431 | } |
1432 | ||
c27a02cd YP |
1433 | priv->last_moder_jiffies = jiffies; |
1434 | } | |
1435 | ||
1436 | static void mlx4_en_do_get_stats(struct work_struct *work) | |
1437 | { | |
bf6aede7 | 1438 | struct delayed_work *delay = to_delayed_work(work); |
c27a02cd YP |
1439 | struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, |
1440 | stats_task); | |
1441 | struct mlx4_en_dev *mdev = priv->mdev; | |
1442 | int err; | |
1443 | ||
c27a02cd YP |
1444 | mutex_lock(&mdev->state_lock); |
1445 | if (mdev->device_up) { | |
6123db2e JM |
1446 | if (priv->port_up) { |
1447 | err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0); | |
1448 | if (err) | |
1449 | en_dbg(HW, priv, "Could not update stats\n"); | |
2d51837f | 1450 | |
c27a02cd | 1451 | mlx4_en_auto_moderation(priv); |
6123db2e | 1452 | } |
c27a02cd YP |
1453 | |
1454 | queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); | |
1455 | } | |
d7e1a487 | 1456 | if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) { |
2695bab2 | 1457 | mlx4_en_do_set_mac(priv, priv->current_mac); |
d7e1a487 YP |
1458 | mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0; |
1459 | } | |
c27a02cd YP |
1460 | mutex_unlock(&mdev->state_lock); |
1461 | } | |
1462 | ||
b6c39bfc AV |
1463 | /* mlx4_en_service_task - Run service task for tasks that needed to be done |
1464 | * periodically | |
1465 | */ | |
1466 | static void mlx4_en_service_task(struct work_struct *work) | |
1467 | { | |
1468 | struct delayed_work *delay = to_delayed_work(work); | |
1469 | struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, | |
1470 | service_task); | |
1471 | struct mlx4_en_dev *mdev = priv->mdev; | |
1472 | ||
1473 | mutex_lock(&mdev->state_lock); | |
1474 | if (mdev->device_up) { | |
dc8142ea AV |
1475 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) |
1476 | mlx4_en_ptp_overflow_check(mdev); | |
b6c39bfc | 1477 | |
07841f9d | 1478 | mlx4_en_recover_from_oom(priv); |
b6c39bfc AV |
1479 | queue_delayed_work(mdev->workqueue, &priv->service_task, |
1480 | SERVICE_TASK_DELAY); | |
1481 | } | |
1482 | mutex_unlock(&mdev->state_lock); | |
1483 | } | |
1484 | ||
c27a02cd YP |
1485 | static void mlx4_en_linkstate(struct work_struct *work) |
1486 | { | |
1487 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1488 | linkstate_task); | |
1489 | struct mlx4_en_dev *mdev = priv->mdev; | |
1490 | int linkstate = priv->link_state; | |
1491 | ||
1492 | mutex_lock(&mdev->state_lock); | |
1493 | /* If observable port state changed set carrier state and | |
1494 | * report to system log */ | |
1495 | if (priv->last_link_state != linkstate) { | |
1496 | if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) { | |
e5cc44b2 | 1497 | en_info(priv, "Link Down\n"); |
c27a02cd YP |
1498 | netif_carrier_off(priv->dev); |
1499 | } else { | |
e5cc44b2 | 1500 | en_info(priv, "Link Up\n"); |
c27a02cd YP |
1501 | netif_carrier_on(priv->dev); |
1502 | } | |
1503 | } | |
1504 | priv->last_link_state = linkstate; | |
1505 | mutex_unlock(&mdev->state_lock); | |
1506 | } | |
1507 | ||
9e311e77 YA |
1508 | static int mlx4_en_init_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) |
1509 | { | |
1510 | struct mlx4_en_rx_ring *ring = priv->rx_ring[ring_idx]; | |
1511 | int numa_node = priv->mdev->dev->numa_node; | |
9e311e77 YA |
1512 | |
1513 | if (!zalloc_cpumask_var(&ring->affinity_mask, GFP_KERNEL)) | |
1514 | return -ENOMEM; | |
1515 | ||
f36963c9 RR |
1516 | cpumask_set_cpu(cpumask_local_spread(ring_idx, numa_node), |
1517 | ring->affinity_mask); | |
1518 | return 0; | |
9e311e77 YA |
1519 | } |
1520 | ||
1521 | static void mlx4_en_free_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) | |
1522 | { | |
1523 | free_cpumask_var(priv->rx_ring[ring_idx]->affinity_mask); | |
1524 | } | |
c27a02cd | 1525 | |
18cc42a3 | 1526 | int mlx4_en_start_port(struct net_device *dev) |
c27a02cd YP |
1527 | { |
1528 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1529 | struct mlx4_en_dev *mdev = priv->mdev; | |
1530 | struct mlx4_en_cq *cq; | |
1531 | struct mlx4_en_tx_ring *tx_ring; | |
c27a02cd YP |
1532 | int rx_index = 0; |
1533 | int tx_index = 0; | |
c27a02cd YP |
1534 | int err = 0; |
1535 | int i; | |
1536 | int j; | |
1679200f | 1537 | u8 mc_list[16] = {0}; |
c27a02cd YP |
1538 | |
1539 | if (priv->port_up) { | |
453a6082 | 1540 | en_dbg(DRV, priv, "start port called while port already up\n"); |
c27a02cd YP |
1541 | return 0; |
1542 | } | |
1543 | ||
6d199937 YP |
1544 | INIT_LIST_HEAD(&priv->mc_list); |
1545 | INIT_LIST_HEAD(&priv->curr_list); | |
0d256c0e HHZ |
1546 | INIT_LIST_HEAD(&priv->ethtool_list); |
1547 | memset(&priv->ethtool_rules[0], 0, | |
1548 | sizeof(struct ethtool_flow_id) * MAX_NUM_OF_FS_RULES); | |
6d199937 | 1549 | |
c27a02cd YP |
1550 | /* Calculate Rx buf size */ |
1551 | dev->mtu = min(dev->mtu, priv->max_mtu); | |
1552 | mlx4_en_calc_rx_buf(dev); | |
453a6082 | 1553 | en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_skb_size); |
38aab07c | 1554 | |
c27a02cd | 1555 | /* Configure rx cq's and rings */ |
38aab07c YP |
1556 | err = mlx4_en_activate_rx_rings(priv); |
1557 | if (err) { | |
453a6082 | 1558 | en_err(priv, "Failed to activate RX rings\n"); |
38aab07c YP |
1559 | return err; |
1560 | } | |
c27a02cd | 1561 | for (i = 0; i < priv->rx_ring_num; i++) { |
41d942d5 | 1562 | cq = priv->rx_cq[i]; |
c27a02cd | 1563 | |
9e77a2b8 AV |
1564 | mlx4_en_cq_init_lock(cq); |
1565 | ||
9e311e77 YA |
1566 | err = mlx4_en_init_affinity_hint(priv, i); |
1567 | if (err) { | |
1568 | en_err(priv, "Failed preparing IRQ affinity hint\n"); | |
1569 | goto cq_err; | |
1570 | } | |
1571 | ||
76532d0c | 1572 | err = mlx4_en_activate_cq(priv, cq, i); |
c27a02cd | 1573 | if (err) { |
453a6082 | 1574 | en_err(priv, "Failed activating Rx CQ\n"); |
9e311e77 | 1575 | mlx4_en_free_affinity_hint(priv, i); |
a4233304 | 1576 | goto cq_err; |
c27a02cd | 1577 | } |
c3f2511f IS |
1578 | |
1579 | for (j = 0; j < cq->size; j++) { | |
1580 | struct mlx4_cqe *cqe = NULL; | |
1581 | ||
1582 | cqe = mlx4_en_get_cqe(cq->buf, j, priv->cqe_size) + | |
1583 | priv->cqe_factor; | |
1584 | cqe->owner_sr_opcode = MLX4_CQE_OWNER_MASK; | |
1585 | } | |
1586 | ||
c27a02cd YP |
1587 | err = mlx4_en_set_cq_moder(priv, cq); |
1588 | if (err) { | |
1a91de28 | 1589 | en_err(priv, "Failed setting cq moderation parameters\n"); |
c27a02cd | 1590 | mlx4_en_deactivate_cq(priv, cq); |
9e311e77 | 1591 | mlx4_en_free_affinity_hint(priv, i); |
c27a02cd YP |
1592 | goto cq_err; |
1593 | } | |
1594 | mlx4_en_arm_cq(priv, cq); | |
41d942d5 | 1595 | priv->rx_ring[i]->cqn = cq->mcq.cqn; |
c27a02cd YP |
1596 | ++rx_index; |
1597 | } | |
1598 | ||
ffe455ad EE |
1599 | /* Set qp number */ |
1600 | en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port); | |
16a10ffd | 1601 | err = mlx4_en_get_qp(priv); |
1679200f | 1602 | if (err) { |
ffe455ad | 1603 | en_err(priv, "Failed getting eth qp\n"); |
1679200f YP |
1604 | goto cq_err; |
1605 | } | |
1606 | mdev->mac_removed[priv->port] = 0; | |
1607 | ||
6de5f7f6 EBE |
1608 | priv->counter_index = |
1609 | mlx4_get_default_counter_index(mdev->dev, priv->port); | |
1610 | ||
c27a02cd YP |
1611 | err = mlx4_en_config_rss_steer(priv); |
1612 | if (err) { | |
453a6082 | 1613 | en_err(priv, "Failed configuring rss steering\n"); |
1679200f | 1614 | goto mac_err; |
c27a02cd YP |
1615 | } |
1616 | ||
cabdc8ee HHZ |
1617 | err = mlx4_en_create_drop_qp(priv); |
1618 | if (err) | |
1619 | goto rss_err; | |
1620 | ||
c27a02cd YP |
1621 | /* Configure tx cq's and rings */ |
1622 | for (i = 0; i < priv->tx_ring_num; i++) { | |
1623 | /* Configure cq */ | |
41d942d5 | 1624 | cq = priv->tx_cq[i]; |
76532d0c | 1625 | err = mlx4_en_activate_cq(priv, cq, i); |
c27a02cd | 1626 | if (err) { |
453a6082 | 1627 | en_err(priv, "Failed allocating Tx CQ\n"); |
c27a02cd YP |
1628 | goto tx_err; |
1629 | } | |
1630 | err = mlx4_en_set_cq_moder(priv, cq); | |
1631 | if (err) { | |
1a91de28 | 1632 | en_err(priv, "Failed setting cq moderation parameters\n"); |
c27a02cd YP |
1633 | mlx4_en_deactivate_cq(priv, cq); |
1634 | goto tx_err; | |
1635 | } | |
453a6082 | 1636 | en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i); |
c27a02cd YP |
1637 | cq->buf->wqe_index = cpu_to_be16(0xffff); |
1638 | ||
1639 | /* Configure ring */ | |
41d942d5 | 1640 | tx_ring = priv->tx_ring[i]; |
0e98b523 | 1641 | err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn, |
d317966b | 1642 | i / priv->num_tx_rings_p_up); |
c27a02cd | 1643 | if (err) { |
453a6082 | 1644 | en_err(priv, "Failed allocating Tx ring\n"); |
c27a02cd YP |
1645 | mlx4_en_deactivate_cq(priv, cq); |
1646 | goto tx_err; | |
1647 | } | |
5b263f53 | 1648 | tx_ring->tx_queue = netdev_get_tx_queue(dev, i); |
e22979d9 YP |
1649 | |
1650 | /* Arm CQ for TX completions */ | |
1651 | mlx4_en_arm_cq(priv, cq); | |
1652 | ||
c27a02cd YP |
1653 | /* Set initial ownership of all Tx TXBBs to SW (1) */ |
1654 | for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE) | |
1655 | *((u32 *) (tx_ring->buf + j)) = 0xffffffff; | |
1656 | ++tx_index; | |
1657 | } | |
1658 | ||
1659 | /* Configure port */ | |
1660 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, | |
1661 | priv->rx_skb_size + ETH_FCS_LEN, | |
d53b93f2 YP |
1662 | priv->prof->tx_pause, |
1663 | priv->prof->tx_ppp, | |
1664 | priv->prof->rx_pause, | |
1665 | priv->prof->rx_ppp); | |
c27a02cd | 1666 | if (err) { |
48e551ff YB |
1667 | en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", |
1668 | priv->port, err); | |
c27a02cd YP |
1669 | goto tx_err; |
1670 | } | |
1671 | /* Set default qp number */ | |
1672 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); | |
1673 | if (err) { | |
453a6082 | 1674 | en_err(priv, "Failed setting default qp numbers\n"); |
c27a02cd YP |
1675 | goto tx_err; |
1676 | } | |
c27a02cd | 1677 | |
837052d0 | 1678 | if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { |
1b136de1 | 1679 | err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); |
837052d0 OG |
1680 | if (err) { |
1681 | en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", | |
1682 | err); | |
1683 | goto tx_err; | |
1684 | } | |
1685 | } | |
1686 | ||
c27a02cd | 1687 | /* Init port */ |
453a6082 | 1688 | en_dbg(HW, priv, "Initializing port\n"); |
c27a02cd YP |
1689 | err = mlx4_INIT_PORT(mdev->dev, priv->port); |
1690 | if (err) { | |
453a6082 | 1691 | en_err(priv, "Failed Initializing port\n"); |
1679200f | 1692 | goto tx_err; |
c27a02cd YP |
1693 | } |
1694 | ||
ba4b87ae IS |
1695 | /* Set Unicast and VXLAN steering rules */ |
1696 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0 && | |
1697 | mlx4_en_set_rss_steer_rules(priv)) | |
1698 | mlx4_warn(mdev, "Failed setting steering rules\n"); | |
1699 | ||
1679200f | 1700 | /* Attach rx QP to bradcast address */ |
c7bf7169 | 1701 | eth_broadcast_addr(&mc_list[10]); |
0ff1fb65 | 1702 | mc_list[5] = priv->port; /* needed for B0 steering support */ |
1679200f | 1703 | if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list, |
0ff1fb65 HHZ |
1704 | priv->port, 0, MLX4_PROT_ETH, |
1705 | &priv->broadcast_id)) | |
1679200f YP |
1706 | mlx4_warn(mdev, "Failed Attaching Broadcast\n"); |
1707 | ||
b5845f98 HX |
1708 | /* Must redo promiscuous mode setup. */ |
1709 | priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); | |
1710 | ||
c27a02cd | 1711 | /* Schedule multicast task to populate multicast list */ |
0eb74fdd | 1712 | queue_work(mdev->workqueue, &priv->rx_mode_task); |
c27a02cd | 1713 | |
a66132f3 | 1714 | #ifdef CONFIG_MLX4_EN_VXLAN |
9737c6ab | 1715 | if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) |
1b136de1 | 1716 | vxlan_get_rx_port(dev); |
a66132f3 | 1717 | #endif |
c27a02cd | 1718 | priv->port_up = true; |
a11faac7 | 1719 | netif_tx_start_all_queues(dev); |
3484aac1 AV |
1720 | netif_device_attach(dev); |
1721 | ||
c27a02cd YP |
1722 | return 0; |
1723 | ||
c27a02cd YP |
1724 | tx_err: |
1725 | while (tx_index--) { | |
41d942d5 EE |
1726 | mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]); |
1727 | mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]); | |
c27a02cd | 1728 | } |
cabdc8ee HHZ |
1729 | mlx4_en_destroy_drop_qp(priv); |
1730 | rss_err: | |
c27a02cd | 1731 | mlx4_en_release_rss_steer(priv); |
1679200f | 1732 | mac_err: |
16a10ffd | 1733 | mlx4_en_put_qp(priv); |
c27a02cd | 1734 | cq_err: |
9e311e77 | 1735 | while (rx_index--) { |
41d942d5 | 1736 | mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]); |
f94813f3 | 1737 | mlx4_en_free_affinity_hint(priv, rx_index); |
9e311e77 | 1738 | } |
38aab07c | 1739 | for (i = 0; i < priv->rx_ring_num; i++) |
41d942d5 | 1740 | mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); |
c27a02cd YP |
1741 | |
1742 | return err; /* need to close devices */ | |
1743 | } | |
1744 | ||
1745 | ||
3484aac1 | 1746 | void mlx4_en_stop_port(struct net_device *dev, int detach) |
c27a02cd YP |
1747 | { |
1748 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1749 | struct mlx4_en_dev *mdev = priv->mdev; | |
6d199937 | 1750 | struct mlx4_en_mc_list *mclist, *tmp; |
0d256c0e | 1751 | struct ethtool_flow_id *flow, *tmp_flow; |
c27a02cd | 1752 | int i; |
1679200f | 1753 | u8 mc_list[16] = {0}; |
c27a02cd YP |
1754 | |
1755 | if (!priv->port_up) { | |
453a6082 | 1756 | en_dbg(DRV, priv, "stop port called while port already down\n"); |
c27a02cd YP |
1757 | return; |
1758 | } | |
c27a02cd | 1759 | |
0cc5c8bf EE |
1760 | /* close port*/ |
1761 | mlx4_CLOSE_PORT(mdev->dev, priv->port); | |
1762 | ||
c27a02cd YP |
1763 | /* Synchronize with tx routine */ |
1764 | netif_tx_lock_bh(dev); | |
3484aac1 AV |
1765 | if (detach) |
1766 | netif_device_detach(dev); | |
3c05f5ef | 1767 | netif_tx_stop_all_queues(dev); |
c27a02cd YP |
1768 | netif_tx_unlock_bh(dev); |
1769 | ||
3484aac1 AV |
1770 | netif_tx_disable(dev); |
1771 | ||
7c287380 | 1772 | /* Set port as not active */ |
3c05f5ef | 1773 | priv->port_up = false; |
6de5f7f6 | 1774 | priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); |
c27a02cd | 1775 | |
db0e7cba AY |
1776 | /* Promsicuous mode */ |
1777 | if (mdev->dev->caps.steering_mode == | |
1778 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1779 | priv->flags &= ~(MLX4_EN_FLAG_PROMISC | | |
1780 | MLX4_EN_FLAG_MC_PROMISC); | |
1781 | mlx4_flow_steer_promisc_remove(mdev->dev, | |
1782 | priv->port, | |
f9162539 | 1783 | MLX4_FS_ALL_DEFAULT); |
db0e7cba AY |
1784 | mlx4_flow_steer_promisc_remove(mdev->dev, |
1785 | priv->port, | |
f9162539 | 1786 | MLX4_FS_MC_DEFAULT); |
db0e7cba AY |
1787 | } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { |
1788 | priv->flags &= ~MLX4_EN_FLAG_PROMISC; | |
1789 | ||
1790 | /* Disable promiscouos mode */ | |
1791 | mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn, | |
1792 | priv->port); | |
1793 | ||
1794 | /* Disable Multicast promisc */ | |
1795 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
1796 | mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, | |
1797 | priv->port); | |
1798 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
1799 | } | |
1800 | } | |
1801 | ||
1679200f | 1802 | /* Detach All multicasts */ |
c7bf7169 | 1803 | eth_broadcast_addr(&mc_list[10]); |
0ff1fb65 | 1804 | mc_list[5] = priv->port; /* needed for B0 steering support */ |
1679200f | 1805 | mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, |
0ff1fb65 | 1806 | MLX4_PROT_ETH, priv->broadcast_id); |
6d199937 YP |
1807 | list_for_each_entry(mclist, &priv->curr_list, list) { |
1808 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
1679200f YP |
1809 | mc_list[5] = priv->port; |
1810 | mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, | |
0ff1fb65 | 1811 | mc_list, MLX4_PROT_ETH, mclist->reg_id); |
de123268 OG |
1812 | if (mclist->tunnel_reg_id) |
1813 | mlx4_flow_detach(mdev->dev, mclist->tunnel_reg_id); | |
1679200f YP |
1814 | } |
1815 | mlx4_en_clear_list(dev); | |
6d199937 YP |
1816 | list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) { |
1817 | list_del(&mclist->list); | |
1818 | kfree(mclist); | |
1819 | } | |
1820 | ||
1679200f YP |
1821 | /* Flush multicast filter */ |
1822 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); | |
1823 | ||
6efb5fac HHZ |
1824 | /* Remove flow steering rules for the port*/ |
1825 | if (mdev->dev->caps.steering_mode == | |
1826 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1827 | ASSERT_RTNL(); | |
1828 | list_for_each_entry_safe(flow, tmp_flow, | |
1829 | &priv->ethtool_list, list) { | |
1830 | mlx4_flow_detach(mdev->dev, flow->id); | |
1831 | list_del(&flow->list); | |
1832 | } | |
1833 | } | |
1834 | ||
cabdc8ee HHZ |
1835 | mlx4_en_destroy_drop_qp(priv); |
1836 | ||
c27a02cd YP |
1837 | /* Free TX Rings */ |
1838 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 EE |
1839 | mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]); |
1840 | mlx4_en_deactivate_cq(priv, priv->tx_cq[i]); | |
c27a02cd YP |
1841 | } |
1842 | msleep(10); | |
1843 | ||
1844 | for (i = 0; i < priv->tx_ring_num; i++) | |
41d942d5 | 1845 | mlx4_en_free_tx_buf(dev, priv->tx_ring[i]); |
c27a02cd | 1846 | |
ba4b87ae IS |
1847 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) |
1848 | mlx4_en_delete_rss_steer_rules(priv); | |
1849 | ||
c27a02cd YP |
1850 | /* Free RSS qps */ |
1851 | mlx4_en_release_rss_steer(priv); | |
1852 | ||
ffe455ad | 1853 | /* Unregister Mac address for the port */ |
16a10ffd | 1854 | mlx4_en_put_qp(priv); |
5930e8d0 | 1855 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN)) |
955154fa | 1856 | mdev->mac_removed[priv->port] = 1; |
ffe455ad | 1857 | |
c27a02cd YP |
1858 | /* Free RX Rings */ |
1859 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1860 | struct mlx4_en_cq *cq = priv->rx_cq[i]; |
9e77a2b8 AV |
1861 | |
1862 | local_bh_disable(); | |
1863 | while (!mlx4_en_cq_lock_napi(cq)) { | |
1864 | pr_info("CQ %d locked\n", i); | |
1865 | mdelay(1); | |
1866 | } | |
1867 | local_bh_enable(); | |
1868 | ||
f4a36751 | 1869 | napi_synchronize(&cq->napi); |
41d942d5 | 1870 | mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); |
9e77a2b8 | 1871 | mlx4_en_deactivate_cq(priv, cq); |
9e311e77 YA |
1872 | |
1873 | mlx4_en_free_affinity_hint(priv, i); | |
c27a02cd YP |
1874 | } |
1875 | } | |
1876 | ||
1877 | static void mlx4_en_restart(struct work_struct *work) | |
1878 | { | |
1879 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1880 | watchdog_task); | |
1881 | struct mlx4_en_dev *mdev = priv->mdev; | |
1882 | struct net_device *dev = priv->dev; | |
1883 | ||
453a6082 | 1884 | en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); |
1e338db5 YP |
1885 | |
1886 | mutex_lock(&mdev->state_lock); | |
1887 | if (priv->port_up) { | |
3484aac1 | 1888 | mlx4_en_stop_port(dev, 1); |
1e338db5 | 1889 | if (mlx4_en_start_port(dev)) |
453a6082 | 1890 | en_err(priv, "Failed restarting port %d\n", priv->port); |
1e338db5 YP |
1891 | } |
1892 | mutex_unlock(&mdev->state_lock); | |
c27a02cd YP |
1893 | } |
1894 | ||
b477ba62 | 1895 | static void mlx4_en_clear_stats(struct net_device *dev) |
c27a02cd YP |
1896 | { |
1897 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1898 | struct mlx4_en_dev *mdev = priv->mdev; | |
1899 | int i; | |
c27a02cd | 1900 | |
c27a02cd | 1901 | if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1)) |
453a6082 | 1902 | en_dbg(HW, priv, "Failed dumping statistics\n"); |
c27a02cd YP |
1903 | |
1904 | memset(&priv->stats, 0, sizeof(priv->stats)); | |
1905 | memset(&priv->pstats, 0, sizeof(priv->pstats)); | |
b477ba62 EE |
1906 | memset(&priv->pkstats, 0, sizeof(priv->pkstats)); |
1907 | memset(&priv->port_stats, 0, sizeof(priv->port_stats)); | |
0b131561 MB |
1908 | memset(&priv->rx_flowstats, 0, sizeof(priv->rx_flowstats)); |
1909 | memset(&priv->tx_flowstats, 0, sizeof(priv->tx_flowstats)); | |
1910 | memset(&priv->rx_priority_flowstats, 0, | |
1911 | sizeof(priv->rx_priority_flowstats)); | |
1912 | memset(&priv->tx_priority_flowstats, 0, | |
1913 | sizeof(priv->tx_priority_flowstats)); | |
b42de4d0 | 1914 | memset(&priv->pf_stats, 0, sizeof(priv->pf_stats)); |
c27a02cd YP |
1915 | |
1916 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 EE |
1917 | priv->tx_ring[i]->bytes = 0; |
1918 | priv->tx_ring[i]->packets = 0; | |
1919 | priv->tx_ring[i]->tx_csum = 0; | |
c27a02cd YP |
1920 | } |
1921 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 EE |
1922 | priv->rx_ring[i]->bytes = 0; |
1923 | priv->rx_ring[i]->packets = 0; | |
1924 | priv->rx_ring[i]->csum_ok = 0; | |
1925 | priv->rx_ring[i]->csum_none = 0; | |
f8c6455b | 1926 | priv->rx_ring[i]->csum_complete = 0; |
c27a02cd | 1927 | } |
b477ba62 EE |
1928 | } |
1929 | ||
1930 | static int mlx4_en_open(struct net_device *dev) | |
1931 | { | |
1932 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1933 | struct mlx4_en_dev *mdev = priv->mdev; | |
1934 | int err = 0; | |
1935 | ||
1936 | mutex_lock(&mdev->state_lock); | |
1937 | ||
1938 | if (!mdev->device_up) { | |
1939 | en_err(priv, "Cannot open - device down/disabled\n"); | |
1940 | err = -EBUSY; | |
1941 | goto out; | |
1942 | } | |
1943 | ||
1944 | /* Reset HW statistics and SW counters */ | |
1945 | mlx4_en_clear_stats(dev); | |
c27a02cd | 1946 | |
c27a02cd YP |
1947 | err = mlx4_en_start_port(dev); |
1948 | if (err) | |
453a6082 | 1949 | en_err(priv, "Failed starting port:%d\n", priv->port); |
c27a02cd YP |
1950 | |
1951 | out: | |
1952 | mutex_unlock(&mdev->state_lock); | |
1953 | return err; | |
1954 | } | |
1955 | ||
1956 | ||
1957 | static int mlx4_en_close(struct net_device *dev) | |
1958 | { | |
1959 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1960 | struct mlx4_en_dev *mdev = priv->mdev; | |
1961 | ||
453a6082 | 1962 | en_dbg(IFDOWN, priv, "Close port called\n"); |
c27a02cd YP |
1963 | |
1964 | mutex_lock(&mdev->state_lock); | |
1965 | ||
3484aac1 | 1966 | mlx4_en_stop_port(dev, 0); |
c27a02cd YP |
1967 | netif_carrier_off(dev); |
1968 | ||
1969 | mutex_unlock(&mdev->state_lock); | |
1970 | return 0; | |
1971 | } | |
1972 | ||
fe0af03c | 1973 | void mlx4_en_free_resources(struct mlx4_en_priv *priv) |
c27a02cd YP |
1974 | { |
1975 | int i; | |
1976 | ||
1eb8c695 | 1977 | #ifdef CONFIG_RFS_ACCEL |
1eb8c695 AV |
1978 | priv->dev->rx_cpu_rmap = NULL; |
1979 | #endif | |
1980 | ||
c27a02cd | 1981 | for (i = 0; i < priv->tx_ring_num; i++) { |
41d942d5 | 1982 | if (priv->tx_ring && priv->tx_ring[i]) |
c27a02cd | 1983 | mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); |
41d942d5 | 1984 | if (priv->tx_cq && priv->tx_cq[i]) |
fe0af03c | 1985 | mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); |
c27a02cd YP |
1986 | } |
1987 | ||
1988 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1989 | if (priv->rx_ring[i]) |
68355f71 TLSC |
1990 | mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], |
1991 | priv->prof->rx_ring_size, priv->stride); | |
41d942d5 | 1992 | if (priv->rx_cq[i]) |
fe0af03c | 1993 | mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); |
c27a02cd | 1994 | } |
044ca2a5 | 1995 | |
c27a02cd YP |
1996 | } |
1997 | ||
18cc42a3 | 1998 | int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) |
c27a02cd | 1999 | { |
c27a02cd YP |
2000 | struct mlx4_en_port_profile *prof = priv->prof; |
2001 | int i; | |
163561a4 | 2002 | int node; |
87a5c389 | 2003 | |
c27a02cd YP |
2004 | /* Create tx Rings */ |
2005 | for (i = 0; i < priv->tx_ring_num; i++) { | |
163561a4 | 2006 | node = cpu_to_node(i % num_online_cpus()); |
c27a02cd | 2007 | if (mlx4_en_create_cq(priv, &priv->tx_cq[i], |
163561a4 | 2008 | prof->tx_ring_size, i, TX, node)) |
c27a02cd YP |
2009 | goto err; |
2010 | ||
d03a68f8 | 2011 | if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], |
d03a68f8 IS |
2012 | prof->tx_ring_size, TXBB_SIZE, |
2013 | node, i)) | |
c27a02cd YP |
2014 | goto err; |
2015 | } | |
2016 | ||
2017 | /* Create rx Rings */ | |
2018 | for (i = 0; i < priv->rx_ring_num; i++) { | |
163561a4 | 2019 | node = cpu_to_node(i % num_online_cpus()); |
c27a02cd | 2020 | if (mlx4_en_create_cq(priv, &priv->rx_cq[i], |
163561a4 | 2021 | prof->rx_ring_size, i, RX, node)) |
c27a02cd YP |
2022 | goto err; |
2023 | ||
2024 | if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i], | |
163561a4 EE |
2025 | prof->rx_ring_size, priv->stride, |
2026 | node)) | |
c27a02cd YP |
2027 | goto err; |
2028 | } | |
2029 | ||
1eb8c695 | 2030 | #ifdef CONFIG_RFS_ACCEL |
c66fa19c | 2031 | priv->dev->rx_cpu_rmap = mlx4_get_cpu_rmap(priv->mdev->dev, priv->port); |
1eb8c695 AV |
2032 | #endif |
2033 | ||
c27a02cd YP |
2034 | return 0; |
2035 | ||
2036 | err: | |
453a6082 | 2037 | en_err(priv, "Failed to allocate NIC resources\n"); |
41d942d5 EE |
2038 | for (i = 0; i < priv->rx_ring_num; i++) { |
2039 | if (priv->rx_ring[i]) | |
2040 | mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], | |
2041 | prof->rx_ring_size, | |
2042 | priv->stride); | |
2043 | if (priv->rx_cq[i]) | |
2044 | mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); | |
2045 | } | |
2046 | for (i = 0; i < priv->tx_ring_num; i++) { | |
2047 | if (priv->tx_ring[i]) | |
2048 | mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); | |
2049 | if (priv->tx_cq[i]) | |
2050 | mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); | |
2051 | } | |
c27a02cd YP |
2052 | return -ENOMEM; |
2053 | } | |
2054 | ||
2055 | ||
2056 | void mlx4_en_destroy_netdev(struct net_device *dev) | |
2057 | { | |
2058 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2059 | struct mlx4_en_dev *mdev = priv->mdev; | |
2060 | ||
453a6082 | 2061 | en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port); |
c27a02cd YP |
2062 | |
2063 | /* Unregister device - this will close the port if it was up */ | |
2064 | if (priv->registered) | |
2065 | unregister_netdev(dev); | |
2066 | ||
2067 | if (priv->allocated) | |
2068 | mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE); | |
2069 | ||
2070 | cancel_delayed_work(&priv->stats_task); | |
b6c39bfc | 2071 | cancel_delayed_work(&priv->service_task); |
c27a02cd YP |
2072 | /* flush any pending task for this netdev */ |
2073 | flush_workqueue(mdev->workqueue); | |
2074 | ||
2075 | /* Detach the netdev so tasks would not attempt to access it */ | |
2076 | mutex_lock(&mdev->state_lock); | |
2077 | mdev->pndev[priv->port] = NULL; | |
5da03547 | 2078 | mdev->upper[priv->port] = NULL; |
c27a02cd YP |
2079 | mutex_unlock(&mdev->state_lock); |
2080 | ||
fe0af03c | 2081 | mlx4_en_free_resources(priv); |
564c274c | 2082 | |
bc6a4744 AV |
2083 | kfree(priv->tx_ring); |
2084 | kfree(priv->tx_cq); | |
2085 | ||
c27a02cd YP |
2086 | free_netdev(dev); |
2087 | } | |
2088 | ||
2089 | static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) | |
2090 | { | |
2091 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2092 | struct mlx4_en_dev *mdev = priv->mdev; | |
2093 | int err = 0; | |
2094 | ||
453a6082 | 2095 | en_dbg(DRV, priv, "Change MTU called - current:%d new:%d\n", |
c27a02cd YP |
2096 | dev->mtu, new_mtu); |
2097 | ||
2098 | if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) { | |
453a6082 | 2099 | en_err(priv, "Bad MTU size:%d.\n", new_mtu); |
c27a02cd YP |
2100 | return -EPERM; |
2101 | } | |
2102 | dev->mtu = new_mtu; | |
2103 | ||
2104 | if (netif_running(dev)) { | |
2105 | mutex_lock(&mdev->state_lock); | |
2106 | if (!mdev->device_up) { | |
2107 | /* NIC is probably restarting - let watchdog task reset | |
2108 | * the port */ | |
453a6082 | 2109 | en_dbg(DRV, priv, "Change MTU called with card down!?\n"); |
c27a02cd | 2110 | } else { |
3484aac1 | 2111 | mlx4_en_stop_port(dev, 1); |
c27a02cd YP |
2112 | err = mlx4_en_start_port(dev); |
2113 | if (err) { | |
453a6082 | 2114 | en_err(priv, "Failed restarting port:%d\n", |
c27a02cd YP |
2115 | priv->port); |
2116 | queue_work(mdev->workqueue, &priv->watchdog_task); | |
2117 | } | |
2118 | } | |
2119 | mutex_unlock(&mdev->state_lock); | |
2120 | } | |
2121 | return 0; | |
2122 | } | |
2123 | ||
100dbda8 | 2124 | static int mlx4_en_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) |
ec693d47 AV |
2125 | { |
2126 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2127 | struct mlx4_en_dev *mdev = priv->mdev; | |
2128 | struct hwtstamp_config config; | |
2129 | ||
2130 | if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) | |
2131 | return -EFAULT; | |
2132 | ||
2133 | /* reserved for future extensions */ | |
2134 | if (config.flags) | |
2135 | return -EINVAL; | |
2136 | ||
2137 | /* device doesn't support time stamping */ | |
2138 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)) | |
2139 | return -EINVAL; | |
2140 | ||
2141 | /* TX HW timestamp */ | |
2142 | switch (config.tx_type) { | |
2143 | case HWTSTAMP_TX_OFF: | |
2144 | case HWTSTAMP_TX_ON: | |
2145 | break; | |
2146 | default: | |
2147 | return -ERANGE; | |
2148 | } | |
2149 | ||
2150 | /* RX HW timestamp */ | |
2151 | switch (config.rx_filter) { | |
2152 | case HWTSTAMP_FILTER_NONE: | |
2153 | break; | |
2154 | case HWTSTAMP_FILTER_ALL: | |
2155 | case HWTSTAMP_FILTER_SOME: | |
2156 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | |
2157 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | |
2158 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | |
2159 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | |
2160 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | |
2161 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | |
2162 | case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: | |
2163 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | |
2164 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | |
2165 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | |
2166 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | |
2167 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | |
2168 | config.rx_filter = HWTSTAMP_FILTER_ALL; | |
2169 | break; | |
2170 | default: | |
2171 | return -ERANGE; | |
2172 | } | |
2173 | ||
7787fa66 | 2174 | if (mlx4_en_reset_config(dev, config, dev->features)) { |
ec693d47 AV |
2175 | config.tx_type = HWTSTAMP_TX_OFF; |
2176 | config.rx_filter = HWTSTAMP_FILTER_NONE; | |
2177 | } | |
2178 | ||
2179 | return copy_to_user(ifr->ifr_data, &config, | |
2180 | sizeof(config)) ? -EFAULT : 0; | |
2181 | } | |
2182 | ||
100dbda8 BH |
2183 | static int mlx4_en_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) |
2184 | { | |
2185 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2186 | ||
2187 | return copy_to_user(ifr->ifr_data, &priv->hwtstamp_config, | |
2188 | sizeof(priv->hwtstamp_config)) ? -EFAULT : 0; | |
2189 | } | |
2190 | ||
ec693d47 AV |
2191 | static int mlx4_en_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
2192 | { | |
2193 | switch (cmd) { | |
2194 | case SIOCSHWTSTAMP: | |
100dbda8 BH |
2195 | return mlx4_en_hwtstamp_set(dev, ifr); |
2196 | case SIOCGHWTSTAMP: | |
2197 | return mlx4_en_hwtstamp_get(dev, ifr); | |
ec693d47 AV |
2198 | default: |
2199 | return -EOPNOTSUPP; | |
2200 | } | |
2201 | } | |
2202 | ||
e38af4fa HHZ |
2203 | static netdev_features_t mlx4_en_fix_features(struct net_device *netdev, |
2204 | netdev_features_t features) | |
2205 | { | |
2206 | struct mlx4_en_priv *en_priv = netdev_priv(netdev); | |
2207 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2208 | ||
2209 | /* Since there is no support for separate RX C-TAG/S-TAG vlan accel | |
2210 | * enable/disable make sure S-TAG flag is always in same state as | |
2211 | * C-TAG. | |
2212 | */ | |
2213 | if (features & NETIF_F_HW_VLAN_CTAG_RX && | |
2214 | !(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) | |
2215 | features |= NETIF_F_HW_VLAN_STAG_RX; | |
2216 | else | |
2217 | features &= ~NETIF_F_HW_VLAN_STAG_RX; | |
2218 | ||
2219 | return features; | |
2220 | } | |
2221 | ||
60d6fe99 AV |
2222 | static int mlx4_en_set_features(struct net_device *netdev, |
2223 | netdev_features_t features) | |
2224 | { | |
2225 | struct mlx4_en_priv *priv = netdev_priv(netdev); | |
f0df3503 | 2226 | bool reset = false; |
537f6f95 SM |
2227 | int ret = 0; |
2228 | ||
f0df3503 MM |
2229 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_RXFCS)) { |
2230 | en_info(priv, "Turn %s RX-FCS\n", | |
2231 | (features & NETIF_F_RXFCS) ? "ON" : "OFF"); | |
2232 | reset = true; | |
2233 | } | |
2234 | ||
78500b8c MM |
2235 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_RXALL)) { |
2236 | u8 ignore_fcs_value = (features & NETIF_F_RXALL) ? 1 : 0; | |
2237 | ||
2238 | en_info(priv, "Turn %s RX-ALL\n", | |
2239 | ignore_fcs_value ? "ON" : "OFF"); | |
2240 | ret = mlx4_SET_PORT_fcs_check(priv->mdev->dev, | |
2241 | priv->port, ignore_fcs_value); | |
2242 | if (ret) | |
2243 | return ret; | |
2244 | } | |
2245 | ||
537f6f95 SM |
2246 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_RX)) { |
2247 | en_info(priv, "Turn %s RX vlan strip offload\n", | |
2248 | (features & NETIF_F_HW_VLAN_CTAG_RX) ? "ON" : "OFF"); | |
f0df3503 | 2249 | reset = true; |
537f6f95 | 2250 | } |
60d6fe99 | 2251 | |
cfb53f36 IS |
2252 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_TX)) |
2253 | en_info(priv, "Turn %s TX vlan strip offload\n", | |
2254 | (features & NETIF_F_HW_VLAN_CTAG_TX) ? "ON" : "OFF"); | |
2255 | ||
e38af4fa HHZ |
2256 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_STAG_TX)) |
2257 | en_info(priv, "Turn %s TX S-VLAN strip offload\n", | |
2258 | (features & NETIF_F_HW_VLAN_STAG_TX) ? "ON" : "OFF"); | |
2259 | ||
241a08c3 IS |
2260 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_LOOPBACK)) { |
2261 | en_info(priv, "Turn %s loopback\n", | |
2262 | (features & NETIF_F_LOOPBACK) ? "ON" : "OFF"); | |
2263 | mlx4_en_update_loopback_state(netdev, features); | |
2264 | } | |
79aeaccd | 2265 | |
f0df3503 MM |
2266 | if (reset) { |
2267 | ret = mlx4_en_reset_config(netdev, priv->hwtstamp_config, | |
2268 | features); | |
2269 | if (ret) | |
2270 | return ret; | |
2271 | } | |
60d6fe99 | 2272 | |
f0df3503 | 2273 | return 0; |
60d6fe99 AV |
2274 | } |
2275 | ||
8f7ba3ca RE |
2276 | static int mlx4_en_set_vf_mac(struct net_device *dev, int queue, u8 *mac) |
2277 | { | |
2278 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2279 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
9813337a | 2280 | u64 mac_u64 = mlx4_mac_to_u64(mac); |
8f7ba3ca RE |
2281 | |
2282 | if (!is_valid_ether_addr(mac)) | |
2283 | return -EINVAL; | |
2284 | ||
2285 | return mlx4_set_vf_mac(mdev->dev, en_priv->port, queue, mac_u64); | |
2286 | } | |
2287 | ||
3f7fb021 RE |
2288 | static int mlx4_en_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) |
2289 | { | |
2290 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2291 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2292 | ||
2293 | return mlx4_set_vf_vlan(mdev->dev, en_priv->port, vf, vlan, qos); | |
2294 | } | |
2295 | ||
cda373f4 IS |
2296 | static int mlx4_en_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, |
2297 | int max_tx_rate) | |
2298 | { | |
2299 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2300 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2301 | ||
2302 | return mlx4_set_vf_rate(mdev->dev, en_priv->port, vf, min_tx_rate, | |
2303 | max_tx_rate); | |
2304 | } | |
2305 | ||
e6b6a231 RE |
2306 | static int mlx4_en_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
2307 | { | |
2308 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2309 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2310 | ||
2311 | return mlx4_set_vf_spoofchk(mdev->dev, en_priv->port, vf, setting); | |
2312 | } | |
2313 | ||
2cccb9e4 RE |
2314 | static int mlx4_en_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivf) |
2315 | { | |
2316 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2317 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2318 | ||
2319 | return mlx4_get_vf_config(mdev->dev, en_priv->port, vf, ivf); | |
2320 | } | |
8f7ba3ca | 2321 | |
948e306d RE |
2322 | static int mlx4_en_set_vf_link_state(struct net_device *dev, int vf, int link_state) |
2323 | { | |
2324 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2325 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2326 | ||
2327 | return mlx4_set_vf_link_state(mdev->dev, en_priv->port, vf, link_state); | |
2328 | } | |
84c86403 | 2329 | |
62a89055 EBE |
2330 | static int mlx4_en_get_vf_stats(struct net_device *dev, int vf, |
2331 | struct ifla_vf_stats *vf_stats) | |
2332 | { | |
2333 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2334 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2335 | ||
2336 | return mlx4_get_vf_stats(mdev->dev, en_priv->port, vf, vf_stats); | |
2337 | } | |
2338 | ||
84c86403 HHZ |
2339 | #define PORT_ID_BYTE_LEN 8 |
2340 | static int mlx4_en_get_phys_port_id(struct net_device *dev, | |
02637fce | 2341 | struct netdev_phys_item_id *ppid) |
84c86403 HHZ |
2342 | { |
2343 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2344 | struct mlx4_dev *mdev = priv->mdev->dev; | |
2345 | int i; | |
2346 | u64 phys_port_id = mdev->caps.phys_port_id[priv->port]; | |
2347 | ||
2348 | if (!phys_port_id) | |
2349 | return -EOPNOTSUPP; | |
2350 | ||
2351 | ppid->id_len = sizeof(phys_port_id); | |
2352 | for (i = PORT_ID_BYTE_LEN - 1; i >= 0; --i) { | |
2353 | ppid->id[i] = phys_port_id & 0xff; | |
2354 | phys_port_id >>= 8; | |
2355 | } | |
2356 | return 0; | |
2357 | } | |
2358 | ||
a66132f3 | 2359 | #ifdef CONFIG_MLX4_EN_VXLAN |
1b136de1 OG |
2360 | static void mlx4_en_add_vxlan_offloads(struct work_struct *work) |
2361 | { | |
2362 | int ret; | |
2363 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
2364 | vxlan_add_task); | |
2365 | ||
2366 | ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port); | |
2367 | if (ret) | |
2368 | goto out; | |
2369 | ||
2370 | ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, | |
2371 | VXLAN_STEER_BY_OUTER_MAC, 1); | |
2372 | out: | |
f4a1edd5 | 2373 | if (ret) { |
1b136de1 | 2374 | en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); |
f4a1edd5 OG |
2375 | return; |
2376 | } | |
2377 | ||
2378 | /* set offloads */ | |
2379 | priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | | |
2380 | NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; | |
2381 | priv->dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; | |
2382 | priv->dev->features |= NETIF_F_GSO_UDP_TUNNEL; | |
1b136de1 OG |
2383 | } |
2384 | ||
2385 | static void mlx4_en_del_vxlan_offloads(struct work_struct *work) | |
2386 | { | |
2387 | int ret; | |
2388 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
2389 | vxlan_del_task); | |
f4a1edd5 OG |
2390 | /* unset offloads */ |
2391 | priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | | |
2392 | NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL); | |
2393 | priv->dev->hw_features &= ~NETIF_F_GSO_UDP_TUNNEL; | |
2394 | priv->dev->features &= ~NETIF_F_GSO_UDP_TUNNEL; | |
1b136de1 OG |
2395 | |
2396 | ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, | |
2397 | VXLAN_STEER_BY_OUTER_MAC, 0); | |
2398 | if (ret) | |
2399 | en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); | |
2400 | ||
2401 | priv->vxlan_port = 0; | |
2402 | } | |
2403 | ||
2404 | static void mlx4_en_add_vxlan_port(struct net_device *dev, | |
2405 | sa_family_t sa_family, __be16 port) | |
2406 | { | |
2407 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2408 | __be16 current_port; | |
2409 | ||
e326f2f1 | 2410 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) |
1b136de1 OG |
2411 | return; |
2412 | ||
2413 | if (sa_family == AF_INET6) | |
2414 | return; | |
2415 | ||
2416 | current_port = priv->vxlan_port; | |
2417 | if (current_port && current_port != port) { | |
2418 | en_warn(priv, "vxlan port %d configured, can't add port %d\n", | |
2419 | ntohs(current_port), ntohs(port)); | |
2420 | return; | |
2421 | } | |
2422 | ||
2423 | priv->vxlan_port = port; | |
2424 | queue_work(priv->mdev->workqueue, &priv->vxlan_add_task); | |
2425 | } | |
2426 | ||
2427 | static void mlx4_en_del_vxlan_port(struct net_device *dev, | |
2428 | sa_family_t sa_family, __be16 port) | |
2429 | { | |
2430 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2431 | __be16 current_port; | |
2432 | ||
2433 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) | |
2434 | return; | |
2435 | ||
2436 | if (sa_family == AF_INET6) | |
2437 | return; | |
2438 | ||
2439 | current_port = priv->vxlan_port; | |
2440 | if (current_port != port) { | |
2441 | en_dbg(DRV, priv, "vxlan port %d isn't configured, ignoring\n", ntohs(port)); | |
2442 | return; | |
2443 | } | |
2444 | ||
2445 | queue_work(priv->mdev->workqueue, &priv->vxlan_del_task); | |
2446 | } | |
956bdab2 | 2447 | |
5f35227e JG |
2448 | static netdev_features_t mlx4_en_features_check(struct sk_buff *skb, |
2449 | struct net_device *dev, | |
2450 | netdev_features_t features) | |
956bdab2 | 2451 | { |
8cb65d00 | 2452 | features = vlan_features_check(skb, features); |
5f35227e | 2453 | return vxlan_features_check(skb, features); |
956bdab2 | 2454 | } |
a66132f3 | 2455 | #endif |
1b136de1 | 2456 | |
de1cf8a7 | 2457 | static int mlx4_en_set_tx_maxrate(struct net_device *dev, int queue_index, u32 maxrate) |
c10e4fc6 OG |
2458 | { |
2459 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2460 | struct mlx4_en_tx_ring *tx_ring = priv->tx_ring[queue_index]; | |
2461 | struct mlx4_update_qp_params params; | |
2462 | int err; | |
2463 | ||
2464 | if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT)) | |
2465 | return -EOPNOTSUPP; | |
2466 | ||
2467 | /* rate provided to us in Mbs, check if it fits into 12 bits, if not use Gbs */ | |
2468 | if (maxrate >> 12) { | |
2469 | params.rate_unit = MLX4_QP_RATE_LIMIT_GBS; | |
2470 | params.rate_val = maxrate / 1000; | |
2471 | } else if (maxrate) { | |
2472 | params.rate_unit = MLX4_QP_RATE_LIMIT_MBS; | |
2473 | params.rate_val = maxrate; | |
2474 | } else { /* zero serves to revoke the QP rate-limitation */ | |
2475 | params.rate_unit = 0; | |
2476 | params.rate_val = 0; | |
2477 | } | |
2478 | ||
2479 | err = mlx4_update_qp(priv->mdev->dev, tx_ring->qpn, MLX4_UPDATE_QP_RATE_LIMIT, | |
2480 | ¶ms); | |
2481 | return err; | |
2482 | } | |
2483 | ||
3addc568 SH |
2484 | static const struct net_device_ops mlx4_netdev_ops = { |
2485 | .ndo_open = mlx4_en_open, | |
2486 | .ndo_stop = mlx4_en_close, | |
2487 | .ndo_start_xmit = mlx4_en_xmit, | |
f813cad8 | 2488 | .ndo_select_queue = mlx4_en_select_queue, |
3addc568 | 2489 | .ndo_get_stats = mlx4_en_get_stats, |
0eb74fdd | 2490 | .ndo_set_rx_mode = mlx4_en_set_rx_mode, |
3addc568 | 2491 | .ndo_set_mac_address = mlx4_en_set_mac, |
52255bbe | 2492 | .ndo_validate_addr = eth_validate_addr, |
3addc568 | 2493 | .ndo_change_mtu = mlx4_en_change_mtu, |
ec693d47 | 2494 | .ndo_do_ioctl = mlx4_en_ioctl, |
3addc568 | 2495 | .ndo_tx_timeout = mlx4_en_tx_timeout, |
3addc568 SH |
2496 | .ndo_vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid, |
2497 | .ndo_vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid, | |
2498 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2499 | .ndo_poll_controller = mlx4_en_netpoll, | |
2500 | #endif | |
60d6fe99 | 2501 | .ndo_set_features = mlx4_en_set_features, |
e38af4fa | 2502 | .ndo_fix_features = mlx4_en_fix_features, |
897d7846 | 2503 | .ndo_setup_tc = mlx4_en_setup_tc, |
1eb8c695 AV |
2504 | #ifdef CONFIG_RFS_ACCEL |
2505 | .ndo_rx_flow_steer = mlx4_en_filter_rfs, | |
2506 | #endif | |
e0d1095a | 2507 | #ifdef CONFIG_NET_RX_BUSY_POLL |
8b80cda5 | 2508 | .ndo_busy_poll = mlx4_en_low_latency_recv, |
9e77a2b8 | 2509 | #endif |
84c86403 | 2510 | .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, |
a66132f3 | 2511 | #ifdef CONFIG_MLX4_EN_VXLAN |
1b136de1 OG |
2512 | .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, |
2513 | .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, | |
5f35227e | 2514 | .ndo_features_check = mlx4_en_features_check, |
a66132f3 | 2515 | #endif |
c10e4fc6 | 2516 | .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, |
3addc568 SH |
2517 | }; |
2518 | ||
8f7ba3ca RE |
2519 | static const struct net_device_ops mlx4_netdev_ops_master = { |
2520 | .ndo_open = mlx4_en_open, | |
2521 | .ndo_stop = mlx4_en_close, | |
2522 | .ndo_start_xmit = mlx4_en_xmit, | |
2523 | .ndo_select_queue = mlx4_en_select_queue, | |
2524 | .ndo_get_stats = mlx4_en_get_stats, | |
2525 | .ndo_set_rx_mode = mlx4_en_set_rx_mode, | |
2526 | .ndo_set_mac_address = mlx4_en_set_mac, | |
2527 | .ndo_validate_addr = eth_validate_addr, | |
2528 | .ndo_change_mtu = mlx4_en_change_mtu, | |
2529 | .ndo_tx_timeout = mlx4_en_tx_timeout, | |
2530 | .ndo_vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid, | |
2531 | .ndo_vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid, | |
2532 | .ndo_set_vf_mac = mlx4_en_set_vf_mac, | |
3f7fb021 | 2533 | .ndo_set_vf_vlan = mlx4_en_set_vf_vlan, |
cda373f4 | 2534 | .ndo_set_vf_rate = mlx4_en_set_vf_rate, |
e6b6a231 | 2535 | .ndo_set_vf_spoofchk = mlx4_en_set_vf_spoofchk, |
948e306d | 2536 | .ndo_set_vf_link_state = mlx4_en_set_vf_link_state, |
62a89055 | 2537 | .ndo_get_vf_stats = mlx4_en_get_vf_stats, |
2cccb9e4 | 2538 | .ndo_get_vf_config = mlx4_en_get_vf_config, |
8f7ba3ca RE |
2539 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2540 | .ndo_poll_controller = mlx4_en_netpoll, | |
2541 | #endif | |
2542 | .ndo_set_features = mlx4_en_set_features, | |
e38af4fa | 2543 | .ndo_fix_features = mlx4_en_fix_features, |
8f7ba3ca RE |
2544 | .ndo_setup_tc = mlx4_en_setup_tc, |
2545 | #ifdef CONFIG_RFS_ACCEL | |
2546 | .ndo_rx_flow_steer = mlx4_en_filter_rfs, | |
2547 | #endif | |
84c86403 | 2548 | .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, |
9737c6ab OG |
2549 | #ifdef CONFIG_MLX4_EN_VXLAN |
2550 | .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, | |
2551 | .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, | |
5f35227e | 2552 | .ndo_features_check = mlx4_en_features_check, |
9737c6ab | 2553 | #endif |
c10e4fc6 | 2554 | .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, |
8f7ba3ca RE |
2555 | }; |
2556 | ||
5da03547 MS |
2557 | struct mlx4_en_bond { |
2558 | struct work_struct work; | |
2559 | struct mlx4_en_priv *priv; | |
2560 | int is_bonded; | |
2561 | struct mlx4_port_map port_map; | |
2562 | }; | |
2563 | ||
2564 | static void mlx4_en_bond_work(struct work_struct *work) | |
2565 | { | |
2566 | struct mlx4_en_bond *bond = container_of(work, | |
2567 | struct mlx4_en_bond, | |
2568 | work); | |
2569 | int err = 0; | |
2570 | struct mlx4_dev *dev = bond->priv->mdev->dev; | |
2571 | ||
2572 | if (bond->is_bonded) { | |
2573 | if (!mlx4_is_bonded(dev)) { | |
2574 | err = mlx4_bond(dev); | |
2575 | if (err) | |
2576 | en_err(bond->priv, "Fail to bond device\n"); | |
2577 | } | |
2578 | if (!err) { | |
2579 | err = mlx4_port_map_set(dev, &bond->port_map); | |
2580 | if (err) | |
2581 | en_err(bond->priv, "Fail to set port map [%d][%d]: %d\n", | |
2582 | bond->port_map.port1, | |
2583 | bond->port_map.port2, | |
2584 | err); | |
2585 | } | |
2586 | } else if (mlx4_is_bonded(dev)) { | |
2587 | err = mlx4_unbond(dev); | |
2588 | if (err) | |
2589 | en_err(bond->priv, "Fail to unbond device\n"); | |
2590 | } | |
2591 | dev_put(bond->priv->dev); | |
2592 | kfree(bond); | |
2593 | } | |
2594 | ||
2595 | static int mlx4_en_queue_bond_work(struct mlx4_en_priv *priv, int is_bonded, | |
2596 | u8 v2p_p1, u8 v2p_p2) | |
2597 | { | |
2598 | struct mlx4_en_bond *bond = NULL; | |
2599 | ||
2600 | bond = kzalloc(sizeof(*bond), GFP_ATOMIC); | |
2601 | if (!bond) | |
2602 | return -ENOMEM; | |
2603 | ||
2604 | INIT_WORK(&bond->work, mlx4_en_bond_work); | |
2605 | bond->priv = priv; | |
2606 | bond->is_bonded = is_bonded; | |
2607 | bond->port_map.port1 = v2p_p1; | |
2608 | bond->port_map.port2 = v2p_p2; | |
2609 | dev_hold(priv->dev); | |
2610 | queue_work(priv->mdev->workqueue, &bond->work); | |
2611 | return 0; | |
2612 | } | |
2613 | ||
2614 | int mlx4_en_netdev_event(struct notifier_block *this, | |
2615 | unsigned long event, void *ptr) | |
2616 | { | |
2617 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
2618 | u8 port = 0; | |
2619 | struct mlx4_en_dev *mdev; | |
2620 | struct mlx4_dev *dev; | |
2621 | int i, num_eth_ports = 0; | |
2622 | bool do_bond = true; | |
2623 | struct mlx4_en_priv *priv; | |
2624 | u8 v2p_port1 = 0; | |
2625 | u8 v2p_port2 = 0; | |
2626 | ||
2627 | if (!net_eq(dev_net(ndev), &init_net)) | |
2628 | return NOTIFY_DONE; | |
2629 | ||
2630 | mdev = container_of(this, struct mlx4_en_dev, nb); | |
2631 | dev = mdev->dev; | |
2632 | ||
2633 | /* Go into this mode only when two network devices set on two ports | |
2634 | * of the same mlx4 device are slaves of the same bonding master | |
2635 | */ | |
2636 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) { | |
2637 | ++num_eth_ports; | |
2638 | if (!port && (mdev->pndev[i] == ndev)) | |
2639 | port = i; | |
2640 | mdev->upper[i] = mdev->pndev[i] ? | |
2641 | netdev_master_upper_dev_get(mdev->pndev[i]) : NULL; | |
2642 | /* condition not met: network device is a slave */ | |
2643 | if (!mdev->upper[i]) | |
2644 | do_bond = false; | |
2645 | if (num_eth_ports < 2) | |
2646 | continue; | |
2647 | /* condition not met: same master */ | |
2648 | if (mdev->upper[i] != mdev->upper[i-1]) | |
2649 | do_bond = false; | |
2650 | } | |
2651 | /* condition not met: 2 salves */ | |
2652 | do_bond = (num_eth_ports == 2) ? do_bond : false; | |
2653 | ||
2654 | /* handle only events that come with enough info */ | |
2655 | if ((do_bond && (event != NETDEV_BONDING_INFO)) || !port) | |
2656 | return NOTIFY_DONE; | |
2657 | ||
2658 | priv = netdev_priv(ndev); | |
2659 | if (do_bond) { | |
2660 | struct netdev_notifier_bonding_info *notifier_info = ptr; | |
2661 | struct netdev_bonding_info *bonding_info = | |
2662 | ¬ifier_info->bonding_info; | |
2663 | ||
2664 | /* required mode 1, 2 or 4 */ | |
2665 | if ((bonding_info->master.bond_mode != BOND_MODE_ACTIVEBACKUP) && | |
2666 | (bonding_info->master.bond_mode != BOND_MODE_XOR) && | |
2667 | (bonding_info->master.bond_mode != BOND_MODE_8023AD)) | |
2668 | do_bond = false; | |
2669 | ||
2670 | /* require exactly 2 slaves */ | |
2671 | if (bonding_info->master.num_slaves != 2) | |
2672 | do_bond = false; | |
2673 | ||
2674 | /* calc v2p */ | |
2675 | if (do_bond) { | |
2676 | if (bonding_info->master.bond_mode == | |
2677 | BOND_MODE_ACTIVEBACKUP) { | |
2678 | /* in active-backup mode virtual ports are | |
2679 | * mapped to the physical port of the active | |
2680 | * slave */ | |
2681 | if (bonding_info->slave.state == | |
2682 | BOND_STATE_BACKUP) { | |
2683 | if (port == 1) { | |
2684 | v2p_port1 = 2; | |
2685 | v2p_port2 = 2; | |
2686 | } else { | |
2687 | v2p_port1 = 1; | |
2688 | v2p_port2 = 1; | |
2689 | } | |
2690 | } else { /* BOND_STATE_ACTIVE */ | |
2691 | if (port == 1) { | |
2692 | v2p_port1 = 1; | |
2693 | v2p_port2 = 1; | |
2694 | } else { | |
2695 | v2p_port1 = 2; | |
2696 | v2p_port2 = 2; | |
2697 | } | |
2698 | } | |
2699 | } else { /* Active-Active */ | |
2700 | /* in active-active mode a virtual port is | |
2701 | * mapped to the native physical port if and only | |
2702 | * if the physical port is up */ | |
2703 | __s8 link = bonding_info->slave.link; | |
2704 | ||
2705 | if (port == 1) | |
2706 | v2p_port2 = 2; | |
2707 | else | |
2708 | v2p_port1 = 1; | |
2709 | if ((link == BOND_LINK_UP) || | |
2710 | (link == BOND_LINK_FAIL)) { | |
2711 | if (port == 1) | |
2712 | v2p_port1 = 1; | |
2713 | else | |
2714 | v2p_port2 = 2; | |
2715 | } else { /* BOND_LINK_DOWN || BOND_LINK_BACK */ | |
2716 | if (port == 1) | |
2717 | v2p_port1 = 2; | |
2718 | else | |
2719 | v2p_port2 = 1; | |
2720 | } | |
2721 | } | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | mlx4_en_queue_bond_work(priv, do_bond, | |
2726 | v2p_port1, v2p_port2); | |
2727 | ||
2728 | return NOTIFY_DONE; | |
2729 | } | |
2730 | ||
0b131561 MB |
2731 | void mlx4_en_update_pfc_stats_bitmap(struct mlx4_dev *dev, |
2732 | struct mlx4_en_stats_bitmap *stats_bitmap, | |
2733 | u8 rx_ppp, u8 rx_pause, | |
2734 | u8 tx_ppp, u8 tx_pause) | |
2735 | { | |
b42de4d0 | 2736 | int last_i = NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PF_STATS; |
0b131561 MB |
2737 | |
2738 | if (!mlx4_is_slave(dev) && | |
2739 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN)) { | |
2740 | mutex_lock(&stats_bitmap->mutex); | |
2741 | bitmap_clear(stats_bitmap->bitmap, last_i, NUM_FLOW_STATS); | |
2742 | ||
2743 | if (rx_ppp) | |
2744 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2745 | NUM_FLOW_PRIORITY_STATS_RX); | |
2746 | last_i += NUM_FLOW_PRIORITY_STATS_RX; | |
2747 | ||
2748 | if (rx_pause && !(rx_ppp)) | |
2749 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2750 | NUM_FLOW_STATS_RX); | |
2751 | last_i += NUM_FLOW_STATS_RX; | |
2752 | ||
2753 | if (tx_ppp) | |
2754 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2755 | NUM_FLOW_PRIORITY_STATS_TX); | |
2756 | last_i += NUM_FLOW_PRIORITY_STATS_TX; | |
2757 | ||
2758 | if (tx_pause && !(tx_ppp)) | |
2759 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2760 | NUM_FLOW_STATS_TX); | |
2761 | last_i += NUM_FLOW_STATS_TX; | |
2762 | ||
2763 | mutex_unlock(&stats_bitmap->mutex); | |
2764 | } | |
2765 | } | |
2766 | ||
6fcd2735 | 2767 | void mlx4_en_set_stats_bitmap(struct mlx4_dev *dev, |
0b131561 MB |
2768 | struct mlx4_en_stats_bitmap *stats_bitmap, |
2769 | u8 rx_ppp, u8 rx_pause, | |
2770 | u8 tx_ppp, u8 tx_pause) | |
ffa88f37 | 2771 | { |
6fcd2735 EBE |
2772 | int last_i = 0; |
2773 | ||
3da8a36c EBE |
2774 | mutex_init(&stats_bitmap->mutex); |
2775 | bitmap_zero(stats_bitmap->bitmap, NUM_ALL_STATS); | |
6fcd2735 EBE |
2776 | |
2777 | if (mlx4_is_slave(dev)) { | |
3da8a36c | 2778 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2779 | MLX4_FIND_NETDEV_STAT(rx_packets), 1); |
3da8a36c | 2780 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2781 | MLX4_FIND_NETDEV_STAT(tx_packets), 1); |
3da8a36c | 2782 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2783 | MLX4_FIND_NETDEV_STAT(rx_bytes), 1); |
3da8a36c | 2784 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2785 | MLX4_FIND_NETDEV_STAT(tx_bytes), 1); |
3da8a36c | 2786 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2787 | MLX4_FIND_NETDEV_STAT(rx_dropped), 1); |
3da8a36c | 2788 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 EBE |
2789 | MLX4_FIND_NETDEV_STAT(tx_dropped), 1); |
2790 | } else { | |
3da8a36c | 2791 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_MAIN_STATS); |
ffa88f37 | 2792 | } |
6fcd2735 | 2793 | last_i += NUM_MAIN_STATS; |
ffa88f37 | 2794 | |
3da8a36c | 2795 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_PORT_STATS); |
6fcd2735 | 2796 | last_i += NUM_PORT_STATS; |
ffa88f37 | 2797 | |
b42de4d0 EBE |
2798 | if (mlx4_is_master(dev)) |
2799 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2800 | NUM_PF_STATS); | |
2801 | last_i += NUM_PF_STATS; | |
2802 | ||
0b131561 MB |
2803 | mlx4_en_update_pfc_stats_bitmap(dev, stats_bitmap, |
2804 | rx_ppp, rx_pause, | |
2805 | tx_ppp, tx_pause); | |
2806 | last_i += NUM_FLOW_STATS; | |
2807 | ||
6fcd2735 | 2808 | if (!mlx4_is_slave(dev)) |
3da8a36c | 2809 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_PKT_STATS); |
ffa88f37 EBE |
2810 | } |
2811 | ||
c27a02cd YP |
2812 | int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, |
2813 | struct mlx4_en_port_profile *prof) | |
2814 | { | |
2815 | struct net_device *dev; | |
2816 | struct mlx4_en_priv *priv; | |
c07cb4b0 | 2817 | int i; |
c27a02cd YP |
2818 | int err; |
2819 | ||
f1593d22 | 2820 | dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv), |
d317966b | 2821 | MAX_TX_RINGS, MAX_RX_RINGS); |
41de8d4c | 2822 | if (dev == NULL) |
c27a02cd | 2823 | return -ENOMEM; |
c27a02cd | 2824 | |
d317966b AV |
2825 | netif_set_real_num_tx_queues(dev, prof->tx_ring_num); |
2826 | netif_set_real_num_rx_queues(dev, prof->rx_ring_num); | |
2827 | ||
872bf2fb | 2828 | SET_NETDEV_DEV(dev, &mdev->dev->persist->pdev->dev); |
76a066f2 | 2829 | dev->dev_port = port - 1; |
c27a02cd YP |
2830 | |
2831 | /* | |
2832 | * Initialize driver private data | |
2833 | */ | |
2834 | ||
2835 | priv = netdev_priv(dev); | |
2836 | memset(priv, 0, sizeof(struct mlx4_en_priv)); | |
6de5f7f6 | 2837 | priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); |
207af6c5 EE |
2838 | spin_lock_init(&priv->stats_lock); |
2839 | INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); | |
2840 | INIT_WORK(&priv->watchdog_task, mlx4_en_restart); | |
2841 | INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); | |
2842 | INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); | |
2843 | INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); | |
2844 | #ifdef CONFIG_MLX4_EN_VXLAN | |
2845 | INIT_WORK(&priv->vxlan_add_task, mlx4_en_add_vxlan_offloads); | |
2846 | INIT_WORK(&priv->vxlan_del_task, mlx4_en_del_vxlan_offloads); | |
2847 | #endif | |
2848 | #ifdef CONFIG_RFS_ACCEL | |
2849 | INIT_LIST_HEAD(&priv->filters); | |
2850 | spin_lock_init(&priv->filters_lock); | |
2851 | #endif | |
2852 | ||
c27a02cd YP |
2853 | priv->dev = dev; |
2854 | priv->mdev = mdev; | |
ebf8c9aa | 2855 | priv->ddev = &mdev->pdev->dev; |
c27a02cd YP |
2856 | priv->prof = prof; |
2857 | priv->port = port; | |
2858 | priv->port_up = false; | |
c27a02cd | 2859 | priv->flags = prof->flags; |
0fef9d03 | 2860 | priv->pflags = MLX4_EN_PRIV_FLAGS_BLUEFLAME; |
60d6fe99 AV |
2861 | priv->ctrl_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | |
2862 | MLX4_WQE_CTRL_SOLICITED); | |
d317966b | 2863 | priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; |
c27a02cd | 2864 | priv->tx_ring_num = prof->tx_ring_num; |
fbc6daf1 | 2865 | priv->tx_work_limit = MLX4_EN_DEFAULT_TX_WORK; |
bd635c35 | 2866 | netdev_rss_key_fill(priv->rss_key, sizeof(priv->rss_key)); |
d317966b | 2867 | |
41d942d5 | 2868 | priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, |
d317966b | 2869 | GFP_KERNEL); |
bc6a4744 AV |
2870 | if (!priv->tx_ring) { |
2871 | err = -ENOMEM; | |
2872 | goto out; | |
2873 | } | |
41d942d5 | 2874 | priv->tx_cq = kzalloc(sizeof(struct mlx4_en_cq *) * MAX_TX_RINGS, |
d317966b | 2875 | GFP_KERNEL); |
bc6a4744 AV |
2876 | if (!priv->tx_cq) { |
2877 | err = -ENOMEM; | |
2878 | goto out; | |
2879 | } | |
c27a02cd | 2880 | priv->rx_ring_num = prof->rx_ring_num; |
08ff3235 | 2881 | priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0; |
b1b6b4da | 2882 | priv->cqe_size = mdev->dev->caps.cqe_size; |
c27a02cd YP |
2883 | priv->mac_index = -1; |
2884 | priv->msg_enable = MLX4_EN_MSG_LEVEL; | |
564c274c | 2885 | #ifdef CONFIG_MLX4_EN_DCB |
540b3a39 | 2886 | if (!mlx4_is_slave(priv->mdev->dev)) { |
3742cc65 | 2887 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { |
540b3a39 OG |
2888 | dev->dcbnl_ops = &mlx4_en_dcbnl_ops; |
2889 | } else { | |
2890 | en_info(priv, "enabling only PFC DCB ops\n"); | |
2891 | dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops; | |
2892 | } | |
2893 | } | |
564c274c | 2894 | #endif |
c27a02cd | 2895 | |
c07cb4b0 YB |
2896 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) |
2897 | INIT_HLIST_HEAD(&priv->mac_hash[i]); | |
16a10ffd | 2898 | |
c27a02cd YP |
2899 | /* Query for default mac and max mtu */ |
2900 | priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port]; | |
6bbb6d99 | 2901 | |
f8c6455b SM |
2902 | if (mdev->dev->caps.rx_checksum_flags_port[priv->port] & |
2903 | MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP) | |
2904 | priv->flags |= MLX4_EN_FLAG_RX_CSUM_NON_TCP_UDP; | |
2905 | ||
6bbb6d99 YB |
2906 | /* Set default MAC */ |
2907 | dev->addr_len = ETH_ALEN; | |
2908 | mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]); | |
2909 | if (!is_valid_ether_addr(dev->dev_addr)) { | |
2b3ddf27 JM |
2910 | en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n", |
2911 | priv->port, dev->dev_addr); | |
2912 | err = -EINVAL; | |
2913 | goto out; | |
2914 | } else if (mlx4_is_slave(priv->mdev->dev) && | |
2915 | (priv->mdev->dev->port_random_macs & 1 << priv->port)) { | |
2916 | /* Random MAC was assigned in mlx4_slave_cap | |
2917 | * in mlx4_core module | |
2918 | */ | |
2919 | dev->addr_assign_type |= NET_ADDR_RANDOM; | |
2920 | en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr); | |
c27a02cd YP |
2921 | } |
2922 | ||
2695bab2 | 2923 | memcpy(priv->current_mac, dev->dev_addr, sizeof(priv->current_mac)); |
6bbb6d99 | 2924 | |
c27a02cd YP |
2925 | priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) + |
2926 | DS_SIZE * MLX4_EN_MAX_RX_FRAGS); | |
2927 | err = mlx4_en_alloc_resources(priv); | |
2928 | if (err) | |
2929 | goto out; | |
2930 | ||
ec693d47 AV |
2931 | /* Initialize time stamping config */ |
2932 | priv->hwtstamp_config.flags = 0; | |
2933 | priv->hwtstamp_config.tx_type = HWTSTAMP_TX_OFF; | |
2934 | priv->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; | |
2935 | ||
c27a02cd YP |
2936 | /* Allocate page for receive rings */ |
2937 | err = mlx4_alloc_hwq_res(mdev->dev, &priv->res, | |
2938 | MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE); | |
2939 | if (err) { | |
453a6082 | 2940 | en_err(priv, "Failed to allocate page for rx qps\n"); |
c27a02cd YP |
2941 | goto out; |
2942 | } | |
2943 | priv->allocated = 1; | |
2944 | ||
c27a02cd YP |
2945 | /* |
2946 | * Initialize netdev entry points | |
2947 | */ | |
8f7ba3ca RE |
2948 | if (mlx4_is_master(priv->mdev->dev)) |
2949 | dev->netdev_ops = &mlx4_netdev_ops_master; | |
2950 | else | |
2951 | dev->netdev_ops = &mlx4_netdev_ops; | |
c27a02cd | 2952 | dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT; |
1eb63a28 BH |
2953 | netif_set_real_num_tx_queues(dev, priv->tx_ring_num); |
2954 | netif_set_real_num_rx_queues(dev, priv->rx_ring_num); | |
3addc568 | 2955 | |
7ad24ea4 | 2956 | dev->ethtool_ops = &mlx4_en_ethtool_ops; |
c27a02cd | 2957 | |
c27a02cd YP |
2958 | /* |
2959 | * Set driver features | |
2960 | */ | |
c8c64cff MM |
2961 | dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
2962 | if (mdev->LSO_support) | |
2963 | dev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6; | |
2964 | ||
2965 | dev->vlan_features = dev->hw_features; | |
2966 | ||
ad86107f | 2967 | dev->hw_features |= NETIF_F_RXCSUM | NETIF_F_RXHASH; |
c8c64cff | 2968 | dev->features = dev->hw_features | NETIF_F_HIGHDMA | |
f646968f PM |
2969 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | |
2970 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
537f6f95 SM |
2971 | dev->hw_features |= NETIF_F_LOOPBACK | |
2972 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; | |
c27a02cd | 2973 | |
e38af4fa HHZ |
2974 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { |
2975 | dev->features |= NETIF_F_HW_VLAN_STAG_RX | | |
2976 | NETIF_F_HW_VLAN_STAG_FILTER; | |
2977 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_RX; | |
2978 | } | |
2979 | ||
2980 | if (mlx4_is_slave(mdev->dev)) { | |
2981 | int phv; | |
2982 | ||
2983 | err = get_phv_bit(mdev->dev, port, &phv); | |
2984 | if (!err && phv) { | |
2985 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; | |
2986 | priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV; | |
2987 | } | |
2988 | } else { | |
2989 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && | |
2990 | !(mdev->dev->caps.flags2 & | |
2991 | MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) | |
2992 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; | |
2993 | } | |
2994 | ||
f0df3503 MM |
2995 | if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) |
2996 | dev->hw_features |= NETIF_F_RXFCS; | |
2997 | ||
78500b8c MM |
2998 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS) |
2999 | dev->hw_features |= NETIF_F_RXALL; | |
3000 | ||
1eb8c695 | 3001 | if (mdev->dev->caps.steering_mode == |
7d077cd3 MB |
3002 | MLX4_STEERING_MODE_DEVICE_MANAGED && |
3003 | mdev->dev->caps.dmfs_high_steer_mode != MLX4_STEERING_DMFS_A0_STATIC) | |
1eb8c695 AV |
3004 | dev->hw_features |= NETIF_F_NTUPLE; |
3005 | ||
cc5387f7 YB |
3006 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) |
3007 | dev->priv_flags |= IFF_UNICAST_FLT; | |
3008 | ||
947cbb0a EP |
3009 | /* Setting a default hash function value */ |
3010 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP) { | |
3011 | priv->rss_hash_fn = ETH_RSS_HASH_TOP; | |
3012 | } else if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR) { | |
3013 | priv->rss_hash_fn = ETH_RSS_HASH_XOR; | |
3014 | } else { | |
3015 | en_warn(priv, | |
3016 | "No RSS hash capabilities exposed, using Toeplitz\n"); | |
3017 | priv->rss_hash_fn = ETH_RSS_HASH_TOP; | |
3018 | } | |
3019 | ||
c27a02cd | 3020 | mdev->pndev[port] = dev; |
5da03547 | 3021 | mdev->upper[port] = NULL; |
c27a02cd YP |
3022 | |
3023 | netif_carrier_off(dev); | |
4801ae70 EE |
3024 | mlx4_en_set_default_moderation(priv); |
3025 | ||
453a6082 YP |
3026 | en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); |
3027 | en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); | |
3028 | ||
79aeaccd YB |
3029 | mlx4_en_update_loopback_state(priv->dev, priv->dev->features); |
3030 | ||
90822265 | 3031 | /* Configure port */ |
5c8e9046 | 3032 | mlx4_en_calc_rx_buf(dev); |
90822265 | 3033 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, |
5c8e9046 YP |
3034 | priv->rx_skb_size + ETH_FCS_LEN, |
3035 | prof->tx_pause, prof->tx_ppp, | |
3036 | prof->rx_pause, prof->rx_ppp); | |
90822265 | 3037 | if (err) { |
1a91de28 JP |
3038 | en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", |
3039 | priv->port, err); | |
90822265 YP |
3040 | goto out; |
3041 | } | |
3042 | ||
837052d0 | 3043 | if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { |
1b136de1 | 3044 | err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); |
837052d0 OG |
3045 | if (err) { |
3046 | en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", | |
3047 | err); | |
3048 | goto out; | |
3049 | } | |
3050 | } | |
3051 | ||
90822265 YP |
3052 | /* Init port */ |
3053 | en_warn(priv, "Initializing port\n"); | |
3054 | err = mlx4_INIT_PORT(mdev->dev, priv->port); | |
3055 | if (err) { | |
3056 | en_err(priv, "Failed Initializing port\n"); | |
3057 | goto out; | |
3058 | } | |
c27a02cd | 3059 | queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); |
dc8142ea AV |
3060 | |
3061 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) | |
3062 | queue_delayed_work(mdev->workqueue, &priv->service_task, | |
3063 | SERVICE_TASK_DELAY); | |
3064 | ||
0b131561 MB |
3065 | mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap, |
3066 | mdev->profile.prof[priv->port].rx_ppp, | |
3067 | mdev->profile.prof[priv->port].rx_pause, | |
3068 | mdev->profile.prof[priv->port].tx_ppp, | |
3069 | mdev->profile.prof[priv->port].tx_pause); | |
39de961a | 3070 | |
e5eda89d IS |
3071 | err = register_netdev(dev); |
3072 | if (err) { | |
3073 | en_err(priv, "Netdev registration failed for port %d\n", port); | |
3074 | goto out; | |
3075 | } | |
3076 | ||
3077 | priv->registered = 1; | |
3078 | ||
c27a02cd YP |
3079 | return 0; |
3080 | ||
3081 | out: | |
3082 | mlx4_en_destroy_netdev(dev); | |
3083 | return err; | |
3084 | } | |
3085 | ||
537f6f95 SM |
3086 | int mlx4_en_reset_config(struct net_device *dev, |
3087 | struct hwtstamp_config ts_config, | |
3088 | netdev_features_t features) | |
3089 | { | |
3090 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
3091 | struct mlx4_en_dev *mdev = priv->mdev; | |
3092 | int port_up = 0; | |
3093 | int err = 0; | |
3094 | ||
3095 | if (priv->hwtstamp_config.tx_type == ts_config.tx_type && | |
3096 | priv->hwtstamp_config.rx_filter == ts_config.rx_filter && | |
f0df3503 MM |
3097 | !DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) && |
3098 | !DEV_FEATURE_CHANGED(dev, features, NETIF_F_RXFCS)) | |
537f6f95 SM |
3099 | return 0; /* Nothing to change */ |
3100 | ||
3101 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) && | |
3102 | (features & NETIF_F_HW_VLAN_CTAG_RX) && | |
3103 | (priv->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE)) { | |
3104 | en_warn(priv, "Can't turn ON rx vlan offload while time-stamping rx filter is ON\n"); | |
3105 | return -EINVAL; | |
3106 | } | |
3107 | ||
3108 | mutex_lock(&mdev->state_lock); | |
3109 | if (priv->port_up) { | |
3110 | port_up = 1; | |
3111 | mlx4_en_stop_port(dev, 1); | |
3112 | } | |
3113 | ||
3114 | mlx4_en_free_resources(priv); | |
3115 | ||
3116 | en_warn(priv, "Changing device configuration rx filter(%x) rx vlan(%x)\n", | |
3117 | ts_config.rx_filter, !!(features & NETIF_F_HW_VLAN_CTAG_RX)); | |
3118 | ||
3119 | priv->hwtstamp_config.tx_type = ts_config.tx_type; | |
3120 | priv->hwtstamp_config.rx_filter = ts_config.rx_filter; | |
3121 | ||
3122 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX)) { | |
3123 | if (features & NETIF_F_HW_VLAN_CTAG_RX) | |
3124 | dev->features |= NETIF_F_HW_VLAN_CTAG_RX; | |
3125 | else | |
3126 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3127 | } else if (ts_config.rx_filter == HWTSTAMP_FILTER_NONE) { | |
3128 | /* RX time-stamping is OFF, update the RX vlan offload | |
3129 | * to the latest wanted state | |
3130 | */ | |
3131 | if (dev->wanted_features & NETIF_F_HW_VLAN_CTAG_RX) | |
3132 | dev->features |= NETIF_F_HW_VLAN_CTAG_RX; | |
3133 | else | |
3134 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3135 | } | |
3136 | ||
f0df3503 MM |
3137 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_RXFCS)) { |
3138 | if (features & NETIF_F_RXFCS) | |
3139 | dev->features |= NETIF_F_RXFCS; | |
3140 | else | |
3141 | dev->features &= ~NETIF_F_RXFCS; | |
3142 | } | |
3143 | ||
537f6f95 SM |
3144 | /* RX vlan offload and RX time-stamping can't co-exist ! |
3145 | * Regardless of the caller's choice, | |
3146 | * Turn Off RX vlan offload in case of time-stamping is ON | |
3147 | */ | |
3148 | if (ts_config.rx_filter != HWTSTAMP_FILTER_NONE) { | |
3149 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) | |
3150 | en_warn(priv, "Turning off RX vlan offload since RX time-stamping is ON\n"); | |
3151 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3152 | } | |
3153 | ||
3154 | err = mlx4_en_alloc_resources(priv); | |
3155 | if (err) { | |
3156 | en_err(priv, "Failed reallocating port resources\n"); | |
3157 | goto out; | |
3158 | } | |
3159 | if (port_up) { | |
3160 | err = mlx4_en_start_port(dev); | |
3161 | if (err) | |
3162 | en_err(priv, "Failed starting port\n"); | |
3163 | } | |
3164 | ||
3165 | out: | |
3166 | mutex_unlock(&mdev->state_lock); | |
3167 | netdev_features_change(dev); | |
3168 | return err; | |
3169 | } |