Commit | Line | Data |
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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> |
09d4d087 | 43 | #include <net/devlink.h> |
c27a02cd YP |
44 | |
45 | #include <linux/mlx4/driver.h> | |
46 | #include <linux/mlx4/device.h> | |
47 | #include <linux/mlx4/cmd.h> | |
48 | #include <linux/mlx4/cq.h> | |
49 | ||
50 | #include "mlx4_en.h" | |
51 | #include "en_port.h" | |
52 | ||
d317966b | 53 | int mlx4_en_setup_tc(struct net_device *dev, u8 up) |
897d7846 | 54 | { |
bc6a4744 AV |
55 | struct mlx4_en_priv *priv = netdev_priv(dev); |
56 | int i; | |
d317966b | 57 | unsigned int offset = 0; |
bc6a4744 AV |
58 | |
59 | if (up && up != MLX4_EN_NUM_UP) | |
897d7846 AV |
60 | return -EINVAL; |
61 | ||
bc6a4744 AV |
62 | netdev_set_num_tc(dev, up); |
63 | ||
64 | /* Partition Tx queues evenly amongst UP's */ | |
bc6a4744 | 65 | for (i = 0; i < up; i++) { |
d317966b AV |
66 | netdev_set_tc_queue(dev, i, priv->num_tx_rings_p_up, offset); |
67 | offset += priv->num_tx_rings_p_up; | |
bc6a4744 AV |
68 | } |
69 | ||
897d7846 AV |
70 | return 0; |
71 | } | |
72 | ||
16e5cc64 JF |
73 | static int __mlx4_en_setup_tc(struct net_device *dev, u32 handle, __be16 proto, |
74 | struct tc_to_netdev *tc) | |
e4c6734e | 75 | { |
5eb4dce3 | 76 | if (tc->type != TC_SETUP_MQPRIO) |
e4c6734e JF |
77 | return -EINVAL; |
78 | ||
16e5cc64 | 79 | return mlx4_en_setup_tc(dev, tc->tc); |
e4c6734e JF |
80 | } |
81 | ||
1eb8c695 AV |
82 | #ifdef CONFIG_RFS_ACCEL |
83 | ||
84 | struct mlx4_en_filter { | |
85 | struct list_head next; | |
86 | struct work_struct work; | |
87 | ||
75a353d4 | 88 | u8 ip_proto; |
1eb8c695 AV |
89 | __be32 src_ip; |
90 | __be32 dst_ip; | |
91 | __be16 src_port; | |
92 | __be16 dst_port; | |
93 | ||
94 | int rxq_index; | |
95 | struct mlx4_en_priv *priv; | |
96 | u32 flow_id; /* RFS infrastructure id */ | |
97 | int id; /* mlx4_en driver id */ | |
98 | u64 reg_id; /* Flow steering API id */ | |
99 | u8 activated; /* Used to prevent expiry before filter | |
100 | * is attached | |
101 | */ | |
102 | struct hlist_node filter_chain; | |
103 | }; | |
104 | ||
105 | static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv); | |
106 | ||
75a353d4 EP |
107 | static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto) |
108 | { | |
109 | switch (ip_proto) { | |
110 | case IPPROTO_UDP: | |
111 | return MLX4_NET_TRANS_RULE_ID_UDP; | |
112 | case IPPROTO_TCP: | |
113 | return MLX4_NET_TRANS_RULE_ID_TCP; | |
114 | default: | |
c3ca5205 | 115 | return MLX4_NET_TRANS_RULE_NUM; |
75a353d4 EP |
116 | } |
117 | }; | |
118 | ||
1eb8c695 AV |
119 | static void mlx4_en_filter_work(struct work_struct *work) |
120 | { | |
121 | struct mlx4_en_filter *filter = container_of(work, | |
122 | struct mlx4_en_filter, | |
123 | work); | |
124 | struct mlx4_en_priv *priv = filter->priv; | |
75a353d4 EP |
125 | struct mlx4_spec_list spec_tcp_udp = { |
126 | .id = mlx4_ip_proto_to_trans_rule_id(filter->ip_proto), | |
1eb8c695 AV |
127 | { |
128 | .tcp_udp = { | |
129 | .dst_port = filter->dst_port, | |
130 | .dst_port_msk = (__force __be16)-1, | |
131 | .src_port = filter->src_port, | |
132 | .src_port_msk = (__force __be16)-1, | |
133 | }, | |
134 | }, | |
135 | }; | |
136 | struct mlx4_spec_list spec_ip = { | |
137 | .id = MLX4_NET_TRANS_RULE_ID_IPV4, | |
138 | { | |
139 | .ipv4 = { | |
140 | .dst_ip = filter->dst_ip, | |
141 | .dst_ip_msk = (__force __be32)-1, | |
142 | .src_ip = filter->src_ip, | |
143 | .src_ip_msk = (__force __be32)-1, | |
144 | }, | |
145 | }, | |
146 | }; | |
147 | struct mlx4_spec_list spec_eth = { | |
148 | .id = MLX4_NET_TRANS_RULE_ID_ETH, | |
149 | }; | |
150 | struct mlx4_net_trans_rule rule = { | |
151 | .list = LIST_HEAD_INIT(rule.list), | |
152 | .queue_mode = MLX4_NET_TRANS_Q_LIFO, | |
153 | .exclusive = 1, | |
154 | .allow_loopback = 1, | |
f9162539 | 155 | .promisc_mode = MLX4_FS_REGULAR, |
1eb8c695 AV |
156 | .port = priv->port, |
157 | .priority = MLX4_DOMAIN_RFS, | |
158 | }; | |
159 | int rc; | |
1eb8c695 AV |
160 | __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); |
161 | ||
c3ca5205 | 162 | if (spec_tcp_udp.id >= MLX4_NET_TRANS_RULE_NUM) { |
75a353d4 EP |
163 | en_warn(priv, "RFS: ignoring unsupported ip protocol (%d)\n", |
164 | filter->ip_proto); | |
165 | goto ignore; | |
166 | } | |
1eb8c695 AV |
167 | list_add_tail(&spec_eth.list, &rule.list); |
168 | list_add_tail(&spec_ip.list, &rule.list); | |
75a353d4 | 169 | list_add_tail(&spec_tcp_udp.list, &rule.list); |
1eb8c695 | 170 | |
1eb8c695 | 171 | rule.qpn = priv->rss_map.qps[filter->rxq_index].qpn; |
6bbb6d99 | 172 | memcpy(spec_eth.eth.dst_mac, priv->dev->dev_addr, ETH_ALEN); |
1eb8c695 AV |
173 | memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); |
174 | ||
175 | filter->activated = 0; | |
176 | ||
177 | if (filter->reg_id) { | |
178 | rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); | |
179 | if (rc && rc != -ENOENT) | |
180 | en_err(priv, "Error detaching flow. rc = %d\n", rc); | |
181 | } | |
182 | ||
183 | rc = mlx4_flow_attach(priv->mdev->dev, &rule, &filter->reg_id); | |
184 | if (rc) | |
185 | en_err(priv, "Error attaching flow. err = %d\n", rc); | |
186 | ||
75a353d4 | 187 | ignore: |
1eb8c695 AV |
188 | mlx4_en_filter_rfs_expire(priv); |
189 | ||
190 | filter->activated = 1; | |
191 | } | |
192 | ||
193 | static inline struct hlist_head * | |
194 | filter_hash_bucket(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, | |
195 | __be16 src_port, __be16 dst_port) | |
196 | { | |
197 | unsigned long l; | |
198 | int bucket_idx; | |
199 | ||
200 | l = (__force unsigned long)src_port | | |
201 | ((__force unsigned long)dst_port << 2); | |
202 | l ^= (__force unsigned long)(src_ip ^ dst_ip); | |
203 | ||
204 | bucket_idx = hash_long(l, MLX4_EN_FILTER_HASH_SHIFT); | |
205 | ||
206 | return &priv->filter_hash[bucket_idx]; | |
207 | } | |
208 | ||
209 | static struct mlx4_en_filter * | |
210 | mlx4_en_filter_alloc(struct mlx4_en_priv *priv, int rxq_index, __be32 src_ip, | |
75a353d4 EP |
211 | __be32 dst_ip, u8 ip_proto, __be16 src_port, |
212 | __be16 dst_port, u32 flow_id) | |
1eb8c695 AV |
213 | { |
214 | struct mlx4_en_filter *filter = NULL; | |
215 | ||
216 | filter = kzalloc(sizeof(struct mlx4_en_filter), GFP_ATOMIC); | |
217 | if (!filter) | |
218 | return NULL; | |
219 | ||
220 | filter->priv = priv; | |
221 | filter->rxq_index = rxq_index; | |
222 | INIT_WORK(&filter->work, mlx4_en_filter_work); | |
223 | ||
224 | filter->src_ip = src_ip; | |
225 | filter->dst_ip = dst_ip; | |
75a353d4 | 226 | filter->ip_proto = ip_proto; |
1eb8c695 AV |
227 | filter->src_port = src_port; |
228 | filter->dst_port = dst_port; | |
229 | ||
230 | filter->flow_id = flow_id; | |
231 | ||
ee64c0ee | 232 | filter->id = priv->last_filter_id++ % RPS_NO_FILTER; |
1eb8c695 AV |
233 | |
234 | list_add_tail(&filter->next, &priv->filters); | |
235 | hlist_add_head(&filter->filter_chain, | |
236 | filter_hash_bucket(priv, src_ip, dst_ip, src_port, | |
237 | dst_port)); | |
238 | ||
239 | return filter; | |
240 | } | |
241 | ||
242 | static void mlx4_en_filter_free(struct mlx4_en_filter *filter) | |
243 | { | |
244 | struct mlx4_en_priv *priv = filter->priv; | |
245 | int rc; | |
246 | ||
247 | list_del(&filter->next); | |
248 | ||
249 | rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); | |
250 | if (rc && rc != -ENOENT) | |
251 | en_err(priv, "Error detaching flow. rc = %d\n", rc); | |
252 | ||
253 | kfree(filter); | |
254 | } | |
255 | ||
256 | static inline struct mlx4_en_filter * | |
257 | mlx4_en_filter_find(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, | |
75a353d4 | 258 | u8 ip_proto, __be16 src_port, __be16 dst_port) |
1eb8c695 | 259 | { |
1eb8c695 AV |
260 | struct mlx4_en_filter *filter; |
261 | struct mlx4_en_filter *ret = NULL; | |
262 | ||
b67bfe0d | 263 | hlist_for_each_entry(filter, |
1eb8c695 AV |
264 | filter_hash_bucket(priv, src_ip, dst_ip, |
265 | src_port, dst_port), | |
266 | filter_chain) { | |
267 | if (filter->src_ip == src_ip && | |
268 | filter->dst_ip == dst_ip && | |
75a353d4 | 269 | filter->ip_proto == ip_proto && |
1eb8c695 AV |
270 | filter->src_port == src_port && |
271 | filter->dst_port == dst_port) { | |
272 | ret = filter; | |
273 | break; | |
274 | } | |
275 | } | |
276 | ||
277 | return ret; | |
278 | } | |
279 | ||
280 | static int | |
281 | mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, | |
282 | u16 rxq_index, u32 flow_id) | |
283 | { | |
284 | struct mlx4_en_priv *priv = netdev_priv(net_dev); | |
285 | struct mlx4_en_filter *filter; | |
286 | const struct iphdr *ip; | |
287 | const __be16 *ports; | |
75a353d4 | 288 | u8 ip_proto; |
1eb8c695 AV |
289 | __be32 src_ip; |
290 | __be32 dst_ip; | |
291 | __be16 src_port; | |
292 | __be16 dst_port; | |
293 | int nhoff = skb_network_offset(skb); | |
294 | int ret = 0; | |
295 | ||
296 | if (skb->protocol != htons(ETH_P_IP)) | |
297 | return -EPROTONOSUPPORT; | |
298 | ||
299 | ip = (const struct iphdr *)(skb->data + nhoff); | |
300 | if (ip_is_fragment(ip)) | |
301 | return -EPROTONOSUPPORT; | |
302 | ||
75a353d4 EP |
303 | if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP)) |
304 | return -EPROTONOSUPPORT; | |
1eb8c695 AV |
305 | ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); |
306 | ||
75a353d4 | 307 | ip_proto = ip->protocol; |
1eb8c695 AV |
308 | src_ip = ip->saddr; |
309 | dst_ip = ip->daddr; | |
310 | src_port = ports[0]; | |
311 | dst_port = ports[1]; | |
312 | ||
1eb8c695 | 313 | spin_lock_bh(&priv->filters_lock); |
75a353d4 EP |
314 | filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto, |
315 | src_port, dst_port); | |
1eb8c695 AV |
316 | if (filter) { |
317 | if (filter->rxq_index == rxq_index) | |
318 | goto out; | |
319 | ||
320 | filter->rxq_index = rxq_index; | |
321 | } else { | |
322 | filter = mlx4_en_filter_alloc(priv, rxq_index, | |
75a353d4 | 323 | src_ip, dst_ip, ip_proto, |
1eb8c695 AV |
324 | src_port, dst_port, flow_id); |
325 | if (!filter) { | |
326 | ret = -ENOMEM; | |
327 | goto err; | |
328 | } | |
329 | } | |
330 | ||
331 | queue_work(priv->mdev->workqueue, &filter->work); | |
332 | ||
333 | out: | |
334 | ret = filter->id; | |
335 | err: | |
336 | spin_unlock_bh(&priv->filters_lock); | |
337 | ||
338 | return ret; | |
339 | } | |
340 | ||
41d942d5 | 341 | void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv) |
1eb8c695 AV |
342 | { |
343 | struct mlx4_en_filter *filter, *tmp; | |
344 | LIST_HEAD(del_list); | |
345 | ||
346 | spin_lock_bh(&priv->filters_lock); | |
347 | list_for_each_entry_safe(filter, tmp, &priv->filters, next) { | |
348 | list_move(&filter->next, &del_list); | |
349 | hlist_del(&filter->filter_chain); | |
350 | } | |
351 | spin_unlock_bh(&priv->filters_lock); | |
352 | ||
353 | list_for_each_entry_safe(filter, tmp, &del_list, next) { | |
354 | cancel_work_sync(&filter->work); | |
355 | mlx4_en_filter_free(filter); | |
356 | } | |
357 | } | |
358 | ||
359 | static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv) | |
360 | { | |
361 | struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL; | |
362 | LIST_HEAD(del_list); | |
363 | int i = 0; | |
364 | ||
365 | spin_lock_bh(&priv->filters_lock); | |
366 | list_for_each_entry_safe(filter, tmp, &priv->filters, next) { | |
367 | if (i > MLX4_EN_FILTER_EXPIRY_QUOTA) | |
368 | break; | |
369 | ||
370 | if (filter->activated && | |
371 | !work_pending(&filter->work) && | |
372 | rps_may_expire_flow(priv->dev, | |
373 | filter->rxq_index, filter->flow_id, | |
374 | filter->id)) { | |
375 | list_move(&filter->next, &del_list); | |
376 | hlist_del(&filter->filter_chain); | |
377 | } else | |
378 | last_filter = filter; | |
379 | ||
380 | i++; | |
381 | } | |
382 | ||
383 | if (last_filter && (&last_filter->next != priv->filters.next)) | |
384 | list_move(&priv->filters, &last_filter->next); | |
385 | ||
386 | spin_unlock_bh(&priv->filters_lock); | |
387 | ||
388 | list_for_each_entry_safe(filter, tmp, &del_list, next) | |
389 | mlx4_en_filter_free(filter); | |
390 | } | |
391 | #endif | |
392 | ||
80d5c368 PM |
393 | static int mlx4_en_vlan_rx_add_vid(struct net_device *dev, |
394 | __be16 proto, u16 vid) | |
c27a02cd YP |
395 | { |
396 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
397 | struct mlx4_en_dev *mdev = priv->mdev; | |
398 | int err; | |
4c3eb3ca | 399 | int idx; |
c27a02cd | 400 | |
f1b553fb | 401 | en_dbg(HW, priv, "adding VLAN:%d\n", vid); |
c27a02cd | 402 | |
f1b553fb | 403 | set_bit(vid, priv->active_vlans); |
c27a02cd YP |
404 | |
405 | /* Add VID to port VLAN filter */ | |
406 | mutex_lock(&mdev->state_lock); | |
407 | if (mdev->device_up && priv->port_up) { | |
f1b553fb | 408 | err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); |
93c098af | 409 | if (err) { |
453a6082 | 410 | en_err(priv, "Failed configuring VLAN filter\n"); |
93c098af KH |
411 | goto out; |
412 | } | |
c27a02cd | 413 | } |
93c098af KH |
414 | err = mlx4_register_vlan(mdev->dev, priv->port, vid, &idx); |
415 | if (err) | |
416 | en_dbg(HW, priv, "Failed adding vlan %d\n", vid); | |
4c3eb3ca | 417 | |
93c098af KH |
418 | out: |
419 | mutex_unlock(&mdev->state_lock); | |
420 | return err; | |
c27a02cd YP |
421 | } |
422 | ||
80d5c368 PM |
423 | static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, |
424 | __be16 proto, u16 vid) | |
c27a02cd YP |
425 | { |
426 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
427 | struct mlx4_en_dev *mdev = priv->mdev; | |
93c098af | 428 | int err = 0; |
c27a02cd | 429 | |
f1b553fb | 430 | en_dbg(HW, priv, "Killing VID:%d\n", vid); |
c27a02cd | 431 | |
f1b553fb | 432 | clear_bit(vid, priv->active_vlans); |
c27a02cd YP |
433 | |
434 | /* Remove VID from port VLAN filter */ | |
435 | mutex_lock(&mdev->state_lock); | |
2009d005 | 436 | mlx4_unregister_vlan(mdev->dev, priv->port, vid); |
4c3eb3ca | 437 | |
c27a02cd | 438 | if (mdev->device_up && priv->port_up) { |
f1b553fb | 439 | err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); |
c27a02cd | 440 | if (err) |
453a6082 | 441 | en_err(priv, "Failed configuring VLAN filter\n"); |
c27a02cd YP |
442 | } |
443 | mutex_unlock(&mdev->state_lock); | |
8e586137 | 444 | |
93c098af | 445 | return err; |
c27a02cd YP |
446 | } |
447 | ||
6bbb6d99 YB |
448 | static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac) |
449 | { | |
bab6a9ea YB |
450 | int i; |
451 | for (i = ETH_ALEN - 1; i >= 0; --i) { | |
6bbb6d99 YB |
452 | dst_mac[i] = src_mac & 0xff; |
453 | src_mac >>= 8; | |
454 | } | |
455 | memset(&dst_mac[ETH_ALEN], 0, 2); | |
456 | } | |
457 | ||
837052d0 OG |
458 | |
459 | static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr, | |
460 | int qpn, u64 *reg_id) | |
461 | { | |
462 | int err; | |
837052d0 | 463 | |
5eff6dad OG |
464 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || |
465 | priv->mdev->dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) | |
837052d0 OG |
466 | return 0; /* do nothing */ |
467 | ||
b95089d0 OG |
468 | err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn, |
469 | MLX4_DOMAIN_NIC, reg_id); | |
837052d0 OG |
470 | if (err) { |
471 | en_err(priv, "failed to add vxlan steering rule, err %d\n", err); | |
472 | return err; | |
473 | } | |
474 | en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, *reg_id); | |
475 | return 0; | |
476 | } | |
477 | ||
478 | ||
16a10ffd YB |
479 | static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv, |
480 | unsigned char *mac, int *qpn, u64 *reg_id) | |
481 | { | |
482 | struct mlx4_en_dev *mdev = priv->mdev; | |
483 | struct mlx4_dev *dev = mdev->dev; | |
484 | int err; | |
485 | ||
486 | switch (dev->caps.steering_mode) { | |
487 | case MLX4_STEERING_MODE_B0: { | |
488 | struct mlx4_qp qp; | |
489 | u8 gid[16] = {0}; | |
490 | ||
491 | qp.qpn = *qpn; | |
492 | memcpy(&gid[10], mac, ETH_ALEN); | |
493 | gid[5] = priv->port; | |
494 | ||
495 | err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); | |
496 | break; | |
497 | } | |
498 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { | |
499 | struct mlx4_spec_list spec_eth = { {NULL} }; | |
500 | __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); | |
501 | ||
502 | struct mlx4_net_trans_rule rule = { | |
503 | .queue_mode = MLX4_NET_TRANS_Q_FIFO, | |
504 | .exclusive = 0, | |
505 | .allow_loopback = 1, | |
f9162539 | 506 | .promisc_mode = MLX4_FS_REGULAR, |
16a10ffd YB |
507 | .priority = MLX4_DOMAIN_NIC, |
508 | }; | |
509 | ||
510 | rule.port = priv->port; | |
511 | rule.qpn = *qpn; | |
512 | INIT_LIST_HEAD(&rule.list); | |
513 | ||
514 | spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; | |
515 | memcpy(spec_eth.eth.dst_mac, mac, ETH_ALEN); | |
516 | memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); | |
517 | list_add_tail(&spec_eth.list, &rule.list); | |
518 | ||
519 | err = mlx4_flow_attach(dev, &rule, reg_id); | |
520 | break; | |
521 | } | |
522 | default: | |
523 | return -EINVAL; | |
524 | } | |
525 | if (err) | |
526 | en_warn(priv, "Failed Attaching Unicast\n"); | |
527 | ||
528 | return err; | |
529 | } | |
530 | ||
531 | static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv, | |
532 | unsigned char *mac, int qpn, u64 reg_id) | |
533 | { | |
534 | struct mlx4_en_dev *mdev = priv->mdev; | |
535 | struct mlx4_dev *dev = mdev->dev; | |
536 | ||
537 | switch (dev->caps.steering_mode) { | |
538 | case MLX4_STEERING_MODE_B0: { | |
539 | struct mlx4_qp qp; | |
540 | u8 gid[16] = {0}; | |
541 | ||
542 | qp.qpn = qpn; | |
543 | memcpy(&gid[10], mac, ETH_ALEN); | |
544 | gid[5] = priv->port; | |
545 | ||
546 | mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); | |
547 | break; | |
548 | } | |
549 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { | |
550 | mlx4_flow_detach(dev, reg_id); | |
551 | break; | |
552 | } | |
553 | default: | |
554 | en_err(priv, "Invalid steering mode.\n"); | |
555 | } | |
556 | } | |
557 | ||
558 | static int mlx4_en_get_qp(struct mlx4_en_priv *priv) | |
559 | { | |
560 | struct mlx4_en_dev *mdev = priv->mdev; | |
561 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd YB |
562 | int index = 0; |
563 | int err = 0; | |
16a10ffd | 564 | int *qpn = &priv->base_qpn; |
9813337a | 565 | u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr); |
16a10ffd YB |
566 | |
567 | en_dbg(DRV, priv, "Registering MAC: %pM for adding\n", | |
568 | priv->dev->dev_addr); | |
569 | index = mlx4_register_mac(dev, priv->port, mac); | |
570 | if (index < 0) { | |
571 | err = index; | |
572 | en_err(priv, "Failed adding MAC: %pM\n", | |
573 | priv->dev->dev_addr); | |
574 | return err; | |
575 | } | |
576 | ||
577 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { | |
578 | int base_qpn = mlx4_get_base_qpn(dev, priv->port); | |
579 | *qpn = base_qpn + index; | |
580 | return 0; | |
581 | } | |
582 | ||
d57febe1 | 583 | err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP); |
16a10ffd YB |
584 | en_dbg(DRV, priv, "Reserved qp %d\n", *qpn); |
585 | if (err) { | |
586 | en_err(priv, "Failed to reserve qp for mac registration\n"); | |
ba4b87ae IS |
587 | mlx4_unregister_mac(dev, priv->port, mac); |
588 | return err; | |
16a10ffd | 589 | } |
16a10ffd | 590 | |
c07cb4b0 | 591 | return 0; |
16a10ffd YB |
592 | } |
593 | ||
594 | static void mlx4_en_put_qp(struct mlx4_en_priv *priv) | |
595 | { | |
596 | struct mlx4_en_dev *mdev = priv->mdev; | |
597 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd | 598 | int qpn = priv->base_qpn; |
16a10ffd | 599 | |
83a5a6ce | 600 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { |
ba4b87ae | 601 | u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr); |
83a5a6ce YB |
602 | en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", |
603 | priv->dev->dev_addr); | |
604 | mlx4_unregister_mac(dev, priv->port, mac); | |
605 | } else { | |
83a5a6ce YB |
606 | en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", |
607 | priv->port, qpn); | |
608 | mlx4_qp_release_range(dev, qpn, 1); | |
609 | priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; | |
16a10ffd YB |
610 | } |
611 | } | |
612 | ||
613 | static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn, | |
90bbb74a | 614 | unsigned char *new_mac, unsigned char *prev_mac) |
16a10ffd YB |
615 | { |
616 | struct mlx4_en_dev *mdev = priv->mdev; | |
617 | struct mlx4_dev *dev = mdev->dev; | |
16a10ffd | 618 | int err = 0; |
9813337a | 619 | u64 new_mac_u64 = mlx4_mac_to_u64(new_mac); |
16a10ffd YB |
620 | |
621 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { | |
c07cb4b0 YB |
622 | struct hlist_head *bucket; |
623 | unsigned int mac_hash; | |
624 | struct mlx4_mac_entry *entry; | |
b67bfe0d | 625 | struct hlist_node *tmp; |
9813337a | 626 | u64 prev_mac_u64 = mlx4_mac_to_u64(prev_mac); |
c07cb4b0 YB |
627 | |
628 | bucket = &priv->mac_hash[prev_mac[MLX4_EN_MAC_HASH_IDX]]; | |
b67bfe0d | 629 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { |
c07cb4b0 YB |
630 | if (ether_addr_equal_64bits(entry->mac, prev_mac)) { |
631 | mlx4_en_uc_steer_release(priv, entry->mac, | |
632 | qpn, entry->reg_id); | |
633 | mlx4_unregister_mac(dev, priv->port, | |
634 | prev_mac_u64); | |
635 | hlist_del_rcu(&entry->hlist); | |
636 | synchronize_rcu(); | |
637 | memcpy(entry->mac, new_mac, ETH_ALEN); | |
638 | entry->reg_id = 0; | |
639 | mac_hash = new_mac[MLX4_EN_MAC_HASH_IDX]; | |
640 | hlist_add_head_rcu(&entry->hlist, | |
641 | &priv->mac_hash[mac_hash]); | |
642 | mlx4_register_mac(dev, priv->port, new_mac_u64); | |
643 | err = mlx4_en_uc_steer_add(priv, new_mac, | |
644 | &qpn, | |
645 | &entry->reg_id); | |
2a2083f7 OG |
646 | if (err) |
647 | return err; | |
648 | if (priv->tunnel_reg_id) { | |
649 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
650 | priv->tunnel_reg_id = 0; | |
651 | } | |
652 | err = mlx4_en_tunnel_steer_add(priv, new_mac, qpn, | |
653 | &priv->tunnel_reg_id); | |
c07cb4b0 YB |
654 | return err; |
655 | } | |
656 | } | |
657 | return -EINVAL; | |
16a10ffd YB |
658 | } |
659 | ||
660 | return __mlx4_replace_mac(dev, priv->port, qpn, new_mac_u64); | |
661 | } | |
662 | ||
2695bab2 NO |
663 | static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv, |
664 | unsigned char new_mac[ETH_ALEN + 2]) | |
c27a02cd | 665 | { |
c27a02cd YP |
666 | int err = 0; |
667 | ||
c27a02cd YP |
668 | if (priv->port_up) { |
669 | /* Remove old MAC and insert the new one */ | |
16a10ffd | 670 | err = mlx4_en_replace_mac(priv, priv->base_qpn, |
2695bab2 | 671 | new_mac, priv->current_mac); |
c27a02cd | 672 | if (err) |
453a6082 | 673 | en_err(priv, "Failed changing HW MAC address\n"); |
c27a02cd | 674 | } else |
48e551ff | 675 | en_dbg(HW, priv, "Port is down while registering mac, exiting...\n"); |
c27a02cd | 676 | |
2695bab2 NO |
677 | if (!err) |
678 | memcpy(priv->current_mac, new_mac, sizeof(priv->current_mac)); | |
ee755324 | 679 | |
bfa8ab47 YB |
680 | return err; |
681 | } | |
682 | ||
683 | static int mlx4_en_set_mac(struct net_device *dev, void *addr) | |
684 | { | |
685 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
686 | struct mlx4_en_dev *mdev = priv->mdev; | |
687 | struct sockaddr *saddr = addr; | |
2695bab2 | 688 | unsigned char new_mac[ETH_ALEN + 2]; |
bfa8ab47 YB |
689 | int err; |
690 | ||
691 | if (!is_valid_ether_addr(saddr->sa_data)) | |
692 | return -EADDRNOTAVAIL; | |
693 | ||
bfa8ab47 | 694 | mutex_lock(&mdev->state_lock); |
2695bab2 NO |
695 | memcpy(new_mac, saddr->sa_data, ETH_ALEN); |
696 | err = mlx4_en_do_set_mac(priv, new_mac); | |
697 | if (!err) | |
698 | memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); | |
c27a02cd | 699 | mutex_unlock(&mdev->state_lock); |
bfa8ab47 YB |
700 | |
701 | return err; | |
c27a02cd YP |
702 | } |
703 | ||
704 | static void mlx4_en_clear_list(struct net_device *dev) | |
705 | { | |
706 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
6d199937 | 707 | struct mlx4_en_mc_list *tmp, *mc_to_del; |
c27a02cd | 708 | |
6d199937 YP |
709 | list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) { |
710 | list_del(&mc_to_del->list); | |
711 | kfree(mc_to_del); | |
712 | } | |
c27a02cd YP |
713 | } |
714 | ||
715 | static void mlx4_en_cache_mclist(struct net_device *dev) | |
716 | { | |
717 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
22bedad3 | 718 | struct netdev_hw_addr *ha; |
6d199937 | 719 | struct mlx4_en_mc_list *tmp; |
ff6e2163 | 720 | |
0e03567a | 721 | mlx4_en_clear_list(dev); |
6d199937 YP |
722 | netdev_for_each_mc_addr(ha, dev) { |
723 | tmp = kzalloc(sizeof(struct mlx4_en_mc_list), GFP_ATOMIC); | |
724 | if (!tmp) { | |
6d199937 YP |
725 | mlx4_en_clear_list(dev); |
726 | return; | |
727 | } | |
728 | memcpy(tmp->addr, ha->addr, ETH_ALEN); | |
729 | list_add_tail(&tmp->list, &priv->mc_list); | |
730 | } | |
c27a02cd YP |
731 | } |
732 | ||
6d199937 YP |
733 | static void update_mclist_flags(struct mlx4_en_priv *priv, |
734 | struct list_head *dst, | |
735 | struct list_head *src) | |
736 | { | |
737 | struct mlx4_en_mc_list *dst_tmp, *src_tmp, *new_mc; | |
738 | bool found; | |
739 | ||
740 | /* Find all the entries that should be removed from dst, | |
741 | * These are the entries that are not found in src | |
742 | */ | |
743 | list_for_each_entry(dst_tmp, dst, list) { | |
744 | found = false; | |
745 | list_for_each_entry(src_tmp, src, list) { | |
c0623e58 | 746 | if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { |
6d199937 YP |
747 | found = true; |
748 | break; | |
749 | } | |
750 | } | |
751 | if (!found) | |
752 | dst_tmp->action = MCLIST_REM; | |
753 | } | |
754 | ||
755 | /* Add entries that exist in src but not in dst | |
756 | * mark them as need to add | |
757 | */ | |
758 | list_for_each_entry(src_tmp, src, list) { | |
759 | found = false; | |
760 | list_for_each_entry(dst_tmp, dst, list) { | |
c0623e58 | 761 | if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { |
6d199937 YP |
762 | dst_tmp->action = MCLIST_NONE; |
763 | found = true; | |
764 | break; | |
765 | } | |
766 | } | |
767 | if (!found) { | |
14f8dc49 JP |
768 | new_mc = kmemdup(src_tmp, |
769 | sizeof(struct mlx4_en_mc_list), | |
6d199937 | 770 | GFP_KERNEL); |
14f8dc49 | 771 | if (!new_mc) |
6d199937 | 772 | return; |
14f8dc49 | 773 | |
6d199937 YP |
774 | new_mc->action = MCLIST_ADD; |
775 | list_add_tail(&new_mc->list, dst); | |
776 | } | |
777 | } | |
778 | } | |
c27a02cd | 779 | |
0eb74fdd | 780 | static void mlx4_en_set_rx_mode(struct net_device *dev) |
c27a02cd YP |
781 | { |
782 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
783 | ||
784 | if (!priv->port_up) | |
785 | return; | |
786 | ||
0eb74fdd | 787 | queue_work(priv->mdev->workqueue, &priv->rx_mode_task); |
c27a02cd YP |
788 | } |
789 | ||
0eb74fdd YB |
790 | static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv, |
791 | struct mlx4_en_dev *mdev) | |
c27a02cd | 792 | { |
c96d97f4 | 793 | int err = 0; |
c27a02cd | 794 | |
0eb74fdd | 795 | if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) { |
c27a02cd | 796 | if (netif_msg_rx_status(priv)) |
0eb74fdd YB |
797 | en_warn(priv, "Entering promiscuous mode\n"); |
798 | priv->flags |= MLX4_EN_FLAG_PROMISC; | |
c27a02cd | 799 | |
0eb74fdd | 800 | /* Enable promiscouos mode */ |
c96d97f4 | 801 | switch (mdev->dev->caps.steering_mode) { |
592e49dd | 802 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
0eb74fdd YB |
803 | err = mlx4_flow_steer_promisc_add(mdev->dev, |
804 | priv->port, | |
805 | priv->base_qpn, | |
f9162539 | 806 | MLX4_FS_ALL_DEFAULT); |
592e49dd | 807 | if (err) |
0eb74fdd YB |
808 | en_err(priv, "Failed enabling promiscuous mode\n"); |
809 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
592e49dd HHZ |
810 | break; |
811 | ||
c96d97f4 | 812 | case MLX4_STEERING_MODE_B0: |
0eb74fdd YB |
813 | err = mlx4_unicast_promisc_add(mdev->dev, |
814 | priv->base_qpn, | |
815 | priv->port); | |
c96d97f4 | 816 | if (err) |
0eb74fdd YB |
817 | en_err(priv, "Failed enabling unicast promiscuous mode\n"); |
818 | ||
819 | /* Add the default qp number as multicast | |
820 | * promisc | |
821 | */ | |
822 | if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { | |
823 | err = mlx4_multicast_promisc_add(mdev->dev, | |
824 | priv->base_qpn, | |
825 | priv->port); | |
c96d97f4 | 826 | if (err) |
0eb74fdd YB |
827 | en_err(priv, "Failed enabling multicast promiscuous mode\n"); |
828 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
c96d97f4 HHZ |
829 | } |
830 | break; | |
c27a02cd | 831 | |
c96d97f4 HHZ |
832 | case MLX4_STEERING_MODE_A0: |
833 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, | |
834 | priv->port, | |
0eb74fdd YB |
835 | priv->base_qpn, |
836 | 1); | |
1679200f | 837 | if (err) |
0eb74fdd | 838 | en_err(priv, "Failed enabling promiscuous mode\n"); |
c96d97f4 | 839 | break; |
1679200f YP |
840 | } |
841 | ||
0eb74fdd YB |
842 | /* Disable port multicast filter (unconditionally) */ |
843 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
844 | 0, MLX4_MCAST_DISABLE); | |
845 | if (err) | |
846 | en_err(priv, "Failed disabling multicast filter\n"); | |
0eb74fdd YB |
847 | } |
848 | } | |
849 | ||
850 | static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv, | |
851 | struct mlx4_en_dev *mdev) | |
852 | { | |
853 | int err = 0; | |
854 | ||
855 | if (netif_msg_rx_status(priv)) | |
856 | en_warn(priv, "Leaving promiscuous mode\n"); | |
857 | priv->flags &= ~MLX4_EN_FLAG_PROMISC; | |
858 | ||
859 | /* Disable promiscouos mode */ | |
860 | switch (mdev->dev->caps.steering_mode) { | |
861 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
862 | err = mlx4_flow_steer_promisc_remove(mdev->dev, | |
863 | priv->port, | |
f9162539 | 864 | MLX4_FS_ALL_DEFAULT); |
0eb74fdd YB |
865 | if (err) |
866 | en_err(priv, "Failed disabling promiscuous mode\n"); | |
867 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
868 | break; | |
869 | ||
870 | case MLX4_STEERING_MODE_B0: | |
871 | err = mlx4_unicast_promisc_remove(mdev->dev, | |
872 | priv->base_qpn, | |
873 | priv->port); | |
874 | if (err) | |
875 | en_err(priv, "Failed disabling unicast promiscuous mode\n"); | |
876 | /* Disable Multicast promisc */ | |
877 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
878 | err = mlx4_multicast_promisc_remove(mdev->dev, | |
879 | priv->base_qpn, | |
880 | priv->port); | |
881 | if (err) | |
882 | en_err(priv, "Failed disabling multicast promiscuous mode\n"); | |
883 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
884 | } | |
885 | break; | |
886 | ||
887 | case MLX4_STEERING_MODE_A0: | |
888 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, | |
889 | priv->port, | |
890 | priv->base_qpn, 0); | |
891 | if (err) | |
892 | en_err(priv, "Failed disabling promiscuous mode\n"); | |
893 | break; | |
c27a02cd | 894 | } |
0eb74fdd YB |
895 | } |
896 | ||
897 | static void mlx4_en_do_multicast(struct mlx4_en_priv *priv, | |
898 | struct net_device *dev, | |
899 | struct mlx4_en_dev *mdev) | |
900 | { | |
901 | struct mlx4_en_mc_list *mclist, *tmp; | |
902 | u64 mcast_addr = 0; | |
903 | u8 mc_list[16] = {0}; | |
904 | int err = 0; | |
905 | ||
c27a02cd YP |
906 | /* Enable/disable the multicast filter according to IFF_ALLMULTI */ |
907 | if (dev->flags & IFF_ALLMULTI) { | |
908 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
909 | 0, MLX4_MCAST_DISABLE); | |
910 | if (err) | |
453a6082 | 911 | en_err(priv, "Failed disabling multicast filter\n"); |
1679200f YP |
912 | |
913 | /* Add the default qp number as multicast promisc */ | |
914 | if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { | |
c96d97f4 | 915 | switch (mdev->dev->caps.steering_mode) { |
592e49dd HHZ |
916 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
917 | err = mlx4_flow_steer_promisc_add(mdev->dev, | |
918 | priv->port, | |
919 | priv->base_qpn, | |
f9162539 | 920 | MLX4_FS_MC_DEFAULT); |
592e49dd HHZ |
921 | break; |
922 | ||
c96d97f4 HHZ |
923 | case MLX4_STEERING_MODE_B0: |
924 | err = mlx4_multicast_promisc_add(mdev->dev, | |
925 | priv->base_qpn, | |
926 | priv->port); | |
927 | break; | |
928 | ||
929 | case MLX4_STEERING_MODE_A0: | |
930 | break; | |
931 | } | |
1679200f YP |
932 | if (err) |
933 | en_err(priv, "Failed entering multicast promisc mode\n"); | |
934 | priv->flags |= MLX4_EN_FLAG_MC_PROMISC; | |
935 | } | |
c27a02cd | 936 | } else { |
1679200f YP |
937 | /* Disable Multicast promisc */ |
938 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
c96d97f4 | 939 | switch (mdev->dev->caps.steering_mode) { |
592e49dd HHZ |
940 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
941 | err = mlx4_flow_steer_promisc_remove(mdev->dev, | |
942 | priv->port, | |
f9162539 | 943 | MLX4_FS_MC_DEFAULT); |
592e49dd HHZ |
944 | break; |
945 | ||
c96d97f4 HHZ |
946 | case MLX4_STEERING_MODE_B0: |
947 | err = mlx4_multicast_promisc_remove(mdev->dev, | |
948 | priv->base_qpn, | |
949 | priv->port); | |
950 | break; | |
951 | ||
952 | case MLX4_STEERING_MODE_A0: | |
953 | break; | |
954 | } | |
1679200f | 955 | if (err) |
25985edc | 956 | en_err(priv, "Failed disabling multicast promiscuous mode\n"); |
1679200f YP |
957 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; |
958 | } | |
ff6e2163 | 959 | |
c27a02cd YP |
960 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, |
961 | 0, MLX4_MCAST_DISABLE); | |
962 | if (err) | |
453a6082 | 963 | en_err(priv, "Failed disabling multicast filter\n"); |
c27a02cd YP |
964 | |
965 | /* Flush mcast filter and init it with broadcast address */ | |
966 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST, | |
967 | 1, MLX4_MCAST_CONFIG); | |
968 | ||
969 | /* Update multicast list - we cache all addresses so they won't | |
970 | * change while HW is updated holding the command semaphor */ | |
dbd501a8 | 971 | netif_addr_lock_bh(dev); |
c27a02cd | 972 | mlx4_en_cache_mclist(dev); |
dbd501a8 | 973 | netif_addr_unlock_bh(dev); |
6d199937 | 974 | list_for_each_entry(mclist, &priv->mc_list, list) { |
9813337a | 975 | mcast_addr = mlx4_mac_to_u64(mclist->addr); |
c27a02cd YP |
976 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, |
977 | mcast_addr, 0, MLX4_MCAST_CONFIG); | |
978 | } | |
979 | err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, | |
980 | 0, MLX4_MCAST_ENABLE); | |
981 | if (err) | |
453a6082 | 982 | en_err(priv, "Failed enabling multicast filter\n"); |
6d199937 YP |
983 | |
984 | update_mclist_flags(priv, &priv->curr_list, &priv->mc_list); | |
985 | list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) { | |
986 | if (mclist->action == MCLIST_REM) { | |
987 | /* detach this address and delete from list */ | |
988 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
989 | mc_list[5] = priv->port; | |
990 | err = mlx4_multicast_detach(mdev->dev, | |
991 | &priv->rss_map.indir_qp, | |
992 | mc_list, | |
0ff1fb65 HHZ |
993 | MLX4_PROT_ETH, |
994 | mclist->reg_id); | |
6d199937 YP |
995 | if (err) |
996 | en_err(priv, "Fail to detach multicast address\n"); | |
997 | ||
837052d0 OG |
998 | if (mclist->tunnel_reg_id) { |
999 | err = mlx4_flow_detach(priv->mdev->dev, mclist->tunnel_reg_id); | |
1000 | if (err) | |
1001 | en_err(priv, "Failed to detach multicast address\n"); | |
1002 | } | |
1003 | ||
6d199937 YP |
1004 | /* remove from list */ |
1005 | list_del(&mclist->list); | |
1006 | kfree(mclist); | |
9c64508a | 1007 | } else if (mclist->action == MCLIST_ADD) { |
6d199937 YP |
1008 | /* attach the address */ |
1009 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
0ff1fb65 | 1010 | /* needed for B0 steering support */ |
6d199937 YP |
1011 | mc_list[5] = priv->port; |
1012 | err = mlx4_multicast_attach(mdev->dev, | |
1013 | &priv->rss_map.indir_qp, | |
0ff1fb65 HHZ |
1014 | mc_list, |
1015 | priv->port, 0, | |
1016 | MLX4_PROT_ETH, | |
1017 | &mclist->reg_id); | |
6d199937 YP |
1018 | if (err) |
1019 | en_err(priv, "Fail to attach multicast address\n"); | |
1020 | ||
837052d0 OG |
1021 | err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn, |
1022 | &mclist->tunnel_reg_id); | |
1023 | if (err) | |
1024 | en_err(priv, "Failed to attach multicast address\n"); | |
6d199937 YP |
1025 | } |
1026 | } | |
c27a02cd | 1027 | } |
0eb74fdd YB |
1028 | } |
1029 | ||
cc5387f7 YB |
1030 | static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv, |
1031 | struct net_device *dev, | |
1032 | struct mlx4_en_dev *mdev) | |
1033 | { | |
1034 | struct netdev_hw_addr *ha; | |
1035 | struct mlx4_mac_entry *entry; | |
b67bfe0d | 1036 | struct hlist_node *tmp; |
cc5387f7 YB |
1037 | bool found; |
1038 | u64 mac; | |
1039 | int err = 0; | |
1040 | struct hlist_head *bucket; | |
1041 | unsigned int i; | |
1042 | int removed = 0; | |
1043 | u32 prev_flags; | |
1044 | ||
1045 | /* Note that we do not need to protect our mac_hash traversal with rcu, | |
1046 | * since all modification code is protected by mdev->state_lock | |
1047 | */ | |
1048 | ||
1049 | /* find what to remove */ | |
1050 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { | |
1051 | bucket = &priv->mac_hash[i]; | |
b67bfe0d | 1052 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { |
cc5387f7 YB |
1053 | found = false; |
1054 | netdev_for_each_uc_addr(ha, dev) { | |
1055 | if (ether_addr_equal_64bits(entry->mac, | |
1056 | ha->addr)) { | |
1057 | found = true; | |
1058 | break; | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | /* MAC address of the port is not in uc list */ | |
2695bab2 NO |
1063 | if (ether_addr_equal_64bits(entry->mac, |
1064 | priv->current_mac)) | |
cc5387f7 YB |
1065 | found = true; |
1066 | ||
1067 | if (!found) { | |
9813337a | 1068 | mac = mlx4_mac_to_u64(entry->mac); |
cc5387f7 YB |
1069 | mlx4_en_uc_steer_release(priv, entry->mac, |
1070 | priv->base_qpn, | |
1071 | entry->reg_id); | |
1072 | mlx4_unregister_mac(mdev->dev, priv->port, mac); | |
1073 | ||
1074 | hlist_del_rcu(&entry->hlist); | |
1075 | kfree_rcu(entry, rcu); | |
1076 | en_dbg(DRV, priv, "Removed MAC %pM on port:%d\n", | |
1077 | entry->mac, priv->port); | |
1078 | ++removed; | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | /* if we didn't remove anything, there is no use in trying to add | |
1084 | * again once we are in a forced promisc mode state | |
1085 | */ | |
1086 | if ((priv->flags & MLX4_EN_FLAG_FORCE_PROMISC) && 0 == removed) | |
1087 | return; | |
1088 | ||
1089 | prev_flags = priv->flags; | |
1090 | priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; | |
1091 | ||
1092 | /* find what to add */ | |
1093 | netdev_for_each_uc_addr(ha, dev) { | |
1094 | found = false; | |
1095 | bucket = &priv->mac_hash[ha->addr[MLX4_EN_MAC_HASH_IDX]]; | |
b67bfe0d | 1096 | hlist_for_each_entry(entry, bucket, hlist) { |
cc5387f7 YB |
1097 | if (ether_addr_equal_64bits(entry->mac, ha->addr)) { |
1098 | found = true; | |
1099 | break; | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | if (!found) { | |
1104 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); | |
1105 | if (!entry) { | |
1106 | en_err(priv, "Failed adding MAC %pM on port:%d (out of memory)\n", | |
1107 | ha->addr, priv->port); | |
1108 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1109 | break; | |
1110 | } | |
9813337a | 1111 | mac = mlx4_mac_to_u64(ha->addr); |
cc5387f7 YB |
1112 | memcpy(entry->mac, ha->addr, ETH_ALEN); |
1113 | err = mlx4_register_mac(mdev->dev, priv->port, mac); | |
1114 | if (err < 0) { | |
1115 | en_err(priv, "Failed registering MAC %pM on port %d: %d\n", | |
1116 | ha->addr, priv->port, err); | |
1117 | kfree(entry); | |
1118 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1119 | break; | |
1120 | } | |
1121 | err = mlx4_en_uc_steer_add(priv, ha->addr, | |
1122 | &priv->base_qpn, | |
1123 | &entry->reg_id); | |
1124 | if (err) { | |
1125 | en_err(priv, "Failed adding MAC %pM on port %d: %d\n", | |
1126 | ha->addr, priv->port, err); | |
1127 | mlx4_unregister_mac(mdev->dev, priv->port, mac); | |
1128 | kfree(entry); | |
1129 | priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC; | |
1130 | break; | |
1131 | } else { | |
1132 | unsigned int mac_hash; | |
1133 | en_dbg(DRV, priv, "Added MAC %pM on port:%d\n", | |
1134 | ha->addr, priv->port); | |
1135 | mac_hash = ha->addr[MLX4_EN_MAC_HASH_IDX]; | |
1136 | bucket = &priv->mac_hash[mac_hash]; | |
1137 | hlist_add_head_rcu(&entry->hlist, bucket); | |
1138 | } | |
1139 | } | |
1140 | } | |
1141 | ||
1142 | if (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC) { | |
1143 | en_warn(priv, "Forcing promiscuous mode on port:%d\n", | |
1144 | priv->port); | |
1145 | } else if (prev_flags & MLX4_EN_FLAG_FORCE_PROMISC) { | |
1146 | en_warn(priv, "Stop forcing promiscuous mode on port:%d\n", | |
1147 | priv->port); | |
1148 | } | |
1149 | } | |
1150 | ||
0eb74fdd YB |
1151 | static void mlx4_en_do_set_rx_mode(struct work_struct *work) |
1152 | { | |
1153 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1154 | rx_mode_task); | |
1155 | struct mlx4_en_dev *mdev = priv->mdev; | |
1156 | struct net_device *dev = priv->dev; | |
1157 | ||
1158 | mutex_lock(&mdev->state_lock); | |
1159 | if (!mdev->device_up) { | |
1160 | en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n"); | |
1161 | goto out; | |
1162 | } | |
1163 | if (!priv->port_up) { | |
1164 | en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n"); | |
1165 | goto out; | |
1166 | } | |
1167 | ||
1168 | if (!netif_carrier_ok(dev)) { | |
1169 | if (!mlx4_en_QUERY_PORT(mdev, priv->port)) { | |
1170 | if (priv->port_state.link_state) { | |
1171 | priv->last_link_state = MLX4_DEV_EVENT_PORT_UP; | |
1172 | netif_carrier_on(dev); | |
1173 | en_dbg(LINK, priv, "Link Up\n"); | |
1174 | } | |
1175 | } | |
1176 | } | |
1177 | ||
cc5387f7 YB |
1178 | if (dev->priv_flags & IFF_UNICAST_FLT) |
1179 | mlx4_en_do_uc_filter(priv, dev, mdev); | |
1180 | ||
0eb74fdd | 1181 | /* Promsicuous mode: disable all filters */ |
cc5387f7 YB |
1182 | if ((dev->flags & IFF_PROMISC) || |
1183 | (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) { | |
0eb74fdd YB |
1184 | mlx4_en_set_promisc_mode(priv, mdev); |
1185 | goto out; | |
1186 | } | |
1187 | ||
1188 | /* Not in promiscuous mode */ | |
1189 | if (priv->flags & MLX4_EN_FLAG_PROMISC) | |
1190 | mlx4_en_clear_promisc_mode(priv, mdev); | |
1191 | ||
1192 | mlx4_en_do_multicast(priv, dev, mdev); | |
c27a02cd YP |
1193 | out: |
1194 | mutex_unlock(&mdev->state_lock); | |
1195 | } | |
1196 | ||
1197 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1198 | static void mlx4_en_netpoll(struct net_device *dev) | |
1199 | { | |
1200 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1201 | struct mlx4_en_cq *cq; | |
c27a02cd YP |
1202 | int i; |
1203 | ||
1204 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1205 | cq = priv->rx_cq[i]; |
c98235cb | 1206 | napi_schedule(&cq->napi); |
c27a02cd YP |
1207 | } |
1208 | } | |
1209 | #endif | |
1210 | ||
ba4b87ae IS |
1211 | static int mlx4_en_set_rss_steer_rules(struct mlx4_en_priv *priv) |
1212 | { | |
1213 | u64 reg_id; | |
1214 | int err = 0; | |
1215 | int *qpn = &priv->base_qpn; | |
1216 | struct mlx4_mac_entry *entry; | |
1217 | ||
1218 | err = mlx4_en_uc_steer_add(priv, priv->dev->dev_addr, qpn, ®_id); | |
1219 | if (err) | |
1220 | return err; | |
1221 | ||
1222 | err = mlx4_en_tunnel_steer_add(priv, priv->dev->dev_addr, *qpn, | |
1223 | &priv->tunnel_reg_id); | |
1224 | if (err) | |
1225 | goto tunnel_err; | |
1226 | ||
1227 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); | |
1228 | if (!entry) { | |
1229 | err = -ENOMEM; | |
1230 | goto alloc_err; | |
1231 | } | |
1232 | ||
1233 | memcpy(entry->mac, priv->dev->dev_addr, sizeof(entry->mac)); | |
1234 | memcpy(priv->current_mac, entry->mac, sizeof(priv->current_mac)); | |
1235 | entry->reg_id = reg_id; | |
1236 | hlist_add_head_rcu(&entry->hlist, | |
1237 | &priv->mac_hash[entry->mac[MLX4_EN_MAC_HASH_IDX]]); | |
1238 | ||
1239 | return 0; | |
1240 | ||
1241 | alloc_err: | |
1242 | if (priv->tunnel_reg_id) | |
1243 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
1244 | ||
1245 | tunnel_err: | |
1246 | mlx4_en_uc_steer_release(priv, priv->dev->dev_addr, *qpn, reg_id); | |
1247 | return err; | |
1248 | } | |
1249 | ||
1250 | static void mlx4_en_delete_rss_steer_rules(struct mlx4_en_priv *priv) | |
1251 | { | |
1252 | u64 mac; | |
1253 | unsigned int i; | |
1254 | int qpn = priv->base_qpn; | |
1255 | struct hlist_head *bucket; | |
1256 | struct hlist_node *tmp; | |
1257 | struct mlx4_mac_entry *entry; | |
1258 | ||
1259 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) { | |
1260 | bucket = &priv->mac_hash[i]; | |
1261 | hlist_for_each_entry_safe(entry, tmp, bucket, hlist) { | |
1262 | mac = mlx4_mac_to_u64(entry->mac); | |
1263 | en_dbg(DRV, priv, "Registering MAC:%pM for deleting\n", | |
1264 | entry->mac); | |
1265 | mlx4_en_uc_steer_release(priv, entry->mac, | |
1266 | qpn, entry->reg_id); | |
1267 | ||
1268 | mlx4_unregister_mac(priv->mdev->dev, priv->port, mac); | |
1269 | hlist_del_rcu(&entry->hlist); | |
1270 | kfree_rcu(entry, rcu); | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | if (priv->tunnel_reg_id) { | |
1275 | mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); | |
1276 | priv->tunnel_reg_id = 0; | |
1277 | } | |
1278 | } | |
1279 | ||
c27a02cd YP |
1280 | static void mlx4_en_tx_timeout(struct net_device *dev) |
1281 | { | |
1282 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1283 | struct mlx4_en_dev *mdev = priv->mdev; | |
b944ebec | 1284 | int i; |
c27a02cd YP |
1285 | |
1286 | if (netif_msg_timer(priv)) | |
453a6082 | 1287 | en_warn(priv, "Tx timeout called on port:%d\n", priv->port); |
c27a02cd | 1288 | |
b944ebec YP |
1289 | for (i = 0; i < priv->tx_ring_num; i++) { |
1290 | if (!netif_tx_queue_stopped(netdev_get_tx_queue(dev, i))) | |
1291 | continue; | |
1292 | en_warn(priv, "TX timeout on queue: %d, QP: 0x%x, CQ: 0x%x, Cons: 0x%x, Prod: 0x%x\n", | |
41d942d5 EE |
1293 | i, priv->tx_ring[i]->qpn, priv->tx_ring[i]->cqn, |
1294 | priv->tx_ring[i]->cons, priv->tx_ring[i]->prod); | |
b944ebec YP |
1295 | } |
1296 | ||
1e338db5 | 1297 | priv->port_stats.tx_timeout++; |
453a6082 | 1298 | en_dbg(DRV, priv, "Scheduling watchdog\n"); |
1e338db5 | 1299 | queue_work(mdev->workqueue, &priv->watchdog_task); |
c27a02cd YP |
1300 | } |
1301 | ||
1302 | ||
9ed17db1 ED |
1303 | static struct rtnl_link_stats64 * |
1304 | mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) | |
c27a02cd YP |
1305 | { |
1306 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1307 | ||
1308 | spin_lock_bh(&priv->stats_lock); | |
f73a6f43 | 1309 | netdev_stats_to_stats64(stats, &dev->stats); |
c27a02cd YP |
1310 | spin_unlock_bh(&priv->stats_lock); |
1311 | ||
9ed17db1 | 1312 | return stats; |
c27a02cd YP |
1313 | } |
1314 | ||
1315 | static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) | |
1316 | { | |
c27a02cd YP |
1317 | struct mlx4_en_cq *cq; |
1318 | int i; | |
1319 | ||
1320 | /* If we haven't received a specific coalescing setting | |
98a1708d | 1321 | * (module param), we set the moderation parameters as follows: |
c27a02cd | 1322 | * - moder_cnt is set to the number of mtu sized packets to |
ecfd2ce1 | 1323 | * satisfy our coalescing target. |
c27a02cd YP |
1324 | * - moder_time is set to a fixed value. |
1325 | */ | |
3db36fb2 | 1326 | priv->rx_frames = MLX4_EN_RX_COAL_TARGET; |
60b9f9e5 | 1327 | priv->rx_usecs = MLX4_EN_RX_COAL_TIME; |
a19a848a YP |
1328 | priv->tx_frames = MLX4_EN_TX_COAL_PKTS; |
1329 | priv->tx_usecs = MLX4_EN_TX_COAL_TIME; | |
48e551ff YB |
1330 | en_dbg(INTR, priv, "Default coalesing params for mtu:%d - rx_frames:%d rx_usecs:%d\n", |
1331 | priv->dev->mtu, priv->rx_frames, priv->rx_usecs); | |
c27a02cd YP |
1332 | |
1333 | /* Setup cq moderation params */ | |
1334 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1335 | cq = priv->rx_cq[i]; |
c27a02cd YP |
1336 | cq->moder_cnt = priv->rx_frames; |
1337 | cq->moder_time = priv->rx_usecs; | |
6b4d8d9f AG |
1338 | priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; |
1339 | priv->last_moder_packets[i] = 0; | |
1340 | priv->last_moder_bytes[i] = 0; | |
c27a02cd YP |
1341 | } |
1342 | ||
1343 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 | 1344 | cq = priv->tx_cq[i]; |
a19a848a YP |
1345 | cq->moder_cnt = priv->tx_frames; |
1346 | cq->moder_time = priv->tx_usecs; | |
c27a02cd YP |
1347 | } |
1348 | ||
1349 | /* Reset auto-moderation params */ | |
1350 | priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW; | |
1351 | priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW; | |
1352 | priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH; | |
1353 | priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH; | |
1354 | priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL; | |
60b9f9e5 | 1355 | priv->adaptive_rx_coal = 1; |
c27a02cd | 1356 | priv->last_moder_jiffies = 0; |
c27a02cd | 1357 | priv->last_moder_tx_packets = 0; |
c27a02cd YP |
1358 | } |
1359 | ||
1360 | static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) | |
1361 | { | |
1362 | unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies); | |
c27a02cd YP |
1363 | struct mlx4_en_cq *cq; |
1364 | unsigned long packets; | |
1365 | unsigned long rate; | |
1366 | unsigned long avg_pkt_size; | |
1367 | unsigned long rx_packets; | |
1368 | unsigned long rx_bytes; | |
c27a02cd YP |
1369 | unsigned long rx_pkt_diff; |
1370 | int moder_time; | |
6b4d8d9f | 1371 | int ring, err; |
c27a02cd YP |
1372 | |
1373 | if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ) | |
1374 | return; | |
1375 | ||
6b4d8d9f AG |
1376 | for (ring = 0; ring < priv->rx_ring_num; ring++) { |
1377 | spin_lock_bh(&priv->stats_lock); | |
41d942d5 EE |
1378 | rx_packets = priv->rx_ring[ring]->packets; |
1379 | rx_bytes = priv->rx_ring[ring]->bytes; | |
6b4d8d9f AG |
1380 | spin_unlock_bh(&priv->stats_lock); |
1381 | ||
1382 | rx_pkt_diff = ((unsigned long) (rx_packets - | |
1383 | priv->last_moder_packets[ring])); | |
1384 | packets = rx_pkt_diff; | |
1385 | rate = packets * HZ / period; | |
1386 | avg_pkt_size = packets ? ((unsigned long) (rx_bytes - | |
1387 | priv->last_moder_bytes[ring])) / packets : 0; | |
1388 | ||
1389 | /* Apply auto-moderation only when packet rate | |
1390 | * exceeds a rate that it matters */ | |
1391 | if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) && | |
1392 | avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) { | |
c27a02cd YP |
1393 | if (rate < priv->pkt_rate_low) |
1394 | moder_time = priv->rx_usecs_low; | |
1395 | else if (rate > priv->pkt_rate_high) | |
1396 | moder_time = priv->rx_usecs_high; | |
1397 | else | |
1398 | moder_time = (rate - priv->pkt_rate_low) * | |
1399 | (priv->rx_usecs_high - priv->rx_usecs_low) / | |
1400 | (priv->pkt_rate_high - priv->pkt_rate_low) + | |
1401 | priv->rx_usecs_low; | |
6b4d8d9f AG |
1402 | } else { |
1403 | moder_time = priv->rx_usecs_low; | |
c27a02cd | 1404 | } |
c27a02cd | 1405 | |
6b4d8d9f AG |
1406 | if (moder_time != priv->last_moder_time[ring]) { |
1407 | priv->last_moder_time[ring] = moder_time; | |
41d942d5 | 1408 | cq = priv->rx_cq[ring]; |
c27a02cd | 1409 | cq->moder_time = moder_time; |
a1c6693a | 1410 | cq->moder_cnt = priv->rx_frames; |
c27a02cd | 1411 | err = mlx4_en_set_cq_moder(priv, cq); |
6b4d8d9f | 1412 | if (err) |
48e551ff YB |
1413 | en_err(priv, "Failed modifying moderation for cq:%d\n", |
1414 | ring); | |
c27a02cd | 1415 | } |
6b4d8d9f AG |
1416 | priv->last_moder_packets[ring] = rx_packets; |
1417 | priv->last_moder_bytes[ring] = rx_bytes; | |
c27a02cd YP |
1418 | } |
1419 | ||
c27a02cd YP |
1420 | priv->last_moder_jiffies = jiffies; |
1421 | } | |
1422 | ||
1423 | static void mlx4_en_do_get_stats(struct work_struct *work) | |
1424 | { | |
bf6aede7 | 1425 | struct delayed_work *delay = to_delayed_work(work); |
c27a02cd YP |
1426 | struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, |
1427 | stats_task); | |
1428 | struct mlx4_en_dev *mdev = priv->mdev; | |
1429 | int err; | |
1430 | ||
c27a02cd YP |
1431 | mutex_lock(&mdev->state_lock); |
1432 | if (mdev->device_up) { | |
6123db2e JM |
1433 | if (priv->port_up) { |
1434 | err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0); | |
1435 | if (err) | |
1436 | en_dbg(HW, priv, "Could not update stats\n"); | |
2d51837f | 1437 | |
c27a02cd | 1438 | mlx4_en_auto_moderation(priv); |
6123db2e | 1439 | } |
c27a02cd YP |
1440 | |
1441 | queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); | |
1442 | } | |
d7e1a487 | 1443 | if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) { |
2695bab2 | 1444 | mlx4_en_do_set_mac(priv, priv->current_mac); |
d7e1a487 YP |
1445 | mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0; |
1446 | } | |
c27a02cd YP |
1447 | mutex_unlock(&mdev->state_lock); |
1448 | } | |
1449 | ||
b6c39bfc AV |
1450 | /* mlx4_en_service_task - Run service task for tasks that needed to be done |
1451 | * periodically | |
1452 | */ | |
1453 | static void mlx4_en_service_task(struct work_struct *work) | |
1454 | { | |
1455 | struct delayed_work *delay = to_delayed_work(work); | |
1456 | struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, | |
1457 | service_task); | |
1458 | struct mlx4_en_dev *mdev = priv->mdev; | |
1459 | ||
1460 | mutex_lock(&mdev->state_lock); | |
1461 | if (mdev->device_up) { | |
dc8142ea AV |
1462 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) |
1463 | mlx4_en_ptp_overflow_check(mdev); | |
b6c39bfc | 1464 | |
07841f9d | 1465 | mlx4_en_recover_from_oom(priv); |
b6c39bfc AV |
1466 | queue_delayed_work(mdev->workqueue, &priv->service_task, |
1467 | SERVICE_TASK_DELAY); | |
1468 | } | |
1469 | mutex_unlock(&mdev->state_lock); | |
1470 | } | |
1471 | ||
c27a02cd YP |
1472 | static void mlx4_en_linkstate(struct work_struct *work) |
1473 | { | |
1474 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1475 | linkstate_task); | |
1476 | struct mlx4_en_dev *mdev = priv->mdev; | |
1477 | int linkstate = priv->link_state; | |
1478 | ||
1479 | mutex_lock(&mdev->state_lock); | |
1480 | /* If observable port state changed set carrier state and | |
1481 | * report to system log */ | |
1482 | if (priv->last_link_state != linkstate) { | |
1483 | if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) { | |
e5cc44b2 | 1484 | en_info(priv, "Link Down\n"); |
c27a02cd YP |
1485 | netif_carrier_off(priv->dev); |
1486 | } else { | |
e5cc44b2 | 1487 | en_info(priv, "Link Up\n"); |
c27a02cd YP |
1488 | netif_carrier_on(priv->dev); |
1489 | } | |
1490 | } | |
1491 | priv->last_link_state = linkstate; | |
1492 | mutex_unlock(&mdev->state_lock); | |
1493 | } | |
1494 | ||
9e311e77 YA |
1495 | static int mlx4_en_init_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) |
1496 | { | |
1497 | struct mlx4_en_rx_ring *ring = priv->rx_ring[ring_idx]; | |
1498 | int numa_node = priv->mdev->dev->numa_node; | |
9e311e77 YA |
1499 | |
1500 | if (!zalloc_cpumask_var(&ring->affinity_mask, GFP_KERNEL)) | |
1501 | return -ENOMEM; | |
1502 | ||
f36963c9 RR |
1503 | cpumask_set_cpu(cpumask_local_spread(ring_idx, numa_node), |
1504 | ring->affinity_mask); | |
1505 | return 0; | |
9e311e77 YA |
1506 | } |
1507 | ||
1508 | static void mlx4_en_free_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) | |
1509 | { | |
1510 | free_cpumask_var(priv->rx_ring[ring_idx]->affinity_mask); | |
1511 | } | |
c27a02cd | 1512 | |
18cc42a3 | 1513 | int mlx4_en_start_port(struct net_device *dev) |
c27a02cd YP |
1514 | { |
1515 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1516 | struct mlx4_en_dev *mdev = priv->mdev; | |
1517 | struct mlx4_en_cq *cq; | |
1518 | struct mlx4_en_tx_ring *tx_ring; | |
c27a02cd YP |
1519 | int rx_index = 0; |
1520 | int tx_index = 0; | |
c27a02cd YP |
1521 | int err = 0; |
1522 | int i; | |
1523 | int j; | |
1679200f | 1524 | u8 mc_list[16] = {0}; |
c27a02cd YP |
1525 | |
1526 | if (priv->port_up) { | |
453a6082 | 1527 | en_dbg(DRV, priv, "start port called while port already up\n"); |
c27a02cd YP |
1528 | return 0; |
1529 | } | |
1530 | ||
6d199937 YP |
1531 | INIT_LIST_HEAD(&priv->mc_list); |
1532 | INIT_LIST_HEAD(&priv->curr_list); | |
0d256c0e HHZ |
1533 | INIT_LIST_HEAD(&priv->ethtool_list); |
1534 | memset(&priv->ethtool_rules[0], 0, | |
1535 | sizeof(struct ethtool_flow_id) * MAX_NUM_OF_FS_RULES); | |
6d199937 | 1536 | |
c27a02cd YP |
1537 | /* Calculate Rx buf size */ |
1538 | dev->mtu = min(dev->mtu, priv->max_mtu); | |
1539 | mlx4_en_calc_rx_buf(dev); | |
453a6082 | 1540 | en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_skb_size); |
38aab07c | 1541 | |
c27a02cd | 1542 | /* Configure rx cq's and rings */ |
38aab07c YP |
1543 | err = mlx4_en_activate_rx_rings(priv); |
1544 | if (err) { | |
453a6082 | 1545 | en_err(priv, "Failed to activate RX rings\n"); |
38aab07c YP |
1546 | return err; |
1547 | } | |
c27a02cd | 1548 | for (i = 0; i < priv->rx_ring_num; i++) { |
41d942d5 | 1549 | cq = priv->rx_cq[i]; |
c27a02cd | 1550 | |
9e311e77 YA |
1551 | err = mlx4_en_init_affinity_hint(priv, i); |
1552 | if (err) { | |
1553 | en_err(priv, "Failed preparing IRQ affinity hint\n"); | |
1554 | goto cq_err; | |
1555 | } | |
1556 | ||
76532d0c | 1557 | err = mlx4_en_activate_cq(priv, cq, i); |
c27a02cd | 1558 | if (err) { |
453a6082 | 1559 | en_err(priv, "Failed activating Rx CQ\n"); |
9e311e77 | 1560 | mlx4_en_free_affinity_hint(priv, i); |
a4233304 | 1561 | goto cq_err; |
c27a02cd | 1562 | } |
c3f2511f IS |
1563 | |
1564 | for (j = 0; j < cq->size; j++) { | |
1565 | struct mlx4_cqe *cqe = NULL; | |
1566 | ||
1567 | cqe = mlx4_en_get_cqe(cq->buf, j, priv->cqe_size) + | |
1568 | priv->cqe_factor; | |
1569 | cqe->owner_sr_opcode = MLX4_CQE_OWNER_MASK; | |
1570 | } | |
1571 | ||
c27a02cd YP |
1572 | err = mlx4_en_set_cq_moder(priv, cq); |
1573 | if (err) { | |
1a91de28 | 1574 | en_err(priv, "Failed setting cq moderation parameters\n"); |
c27a02cd | 1575 | mlx4_en_deactivate_cq(priv, cq); |
9e311e77 | 1576 | mlx4_en_free_affinity_hint(priv, i); |
c27a02cd YP |
1577 | goto cq_err; |
1578 | } | |
1579 | mlx4_en_arm_cq(priv, cq); | |
41d942d5 | 1580 | priv->rx_ring[i]->cqn = cq->mcq.cqn; |
c27a02cd YP |
1581 | ++rx_index; |
1582 | } | |
1583 | ||
ffe455ad EE |
1584 | /* Set qp number */ |
1585 | en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port); | |
16a10ffd | 1586 | err = mlx4_en_get_qp(priv); |
1679200f | 1587 | if (err) { |
ffe455ad | 1588 | en_err(priv, "Failed getting eth qp\n"); |
1679200f YP |
1589 | goto cq_err; |
1590 | } | |
1591 | mdev->mac_removed[priv->port] = 0; | |
1592 | ||
6de5f7f6 EBE |
1593 | priv->counter_index = |
1594 | mlx4_get_default_counter_index(mdev->dev, priv->port); | |
1595 | ||
c27a02cd YP |
1596 | err = mlx4_en_config_rss_steer(priv); |
1597 | if (err) { | |
453a6082 | 1598 | en_err(priv, "Failed configuring rss steering\n"); |
1679200f | 1599 | goto mac_err; |
c27a02cd YP |
1600 | } |
1601 | ||
cabdc8ee HHZ |
1602 | err = mlx4_en_create_drop_qp(priv); |
1603 | if (err) | |
1604 | goto rss_err; | |
1605 | ||
c27a02cd YP |
1606 | /* Configure tx cq's and rings */ |
1607 | for (i = 0; i < priv->tx_ring_num; i++) { | |
1608 | /* Configure cq */ | |
41d942d5 | 1609 | cq = priv->tx_cq[i]; |
76532d0c | 1610 | err = mlx4_en_activate_cq(priv, cq, i); |
c27a02cd | 1611 | if (err) { |
453a6082 | 1612 | en_err(priv, "Failed allocating Tx CQ\n"); |
c27a02cd YP |
1613 | goto tx_err; |
1614 | } | |
1615 | err = mlx4_en_set_cq_moder(priv, cq); | |
1616 | if (err) { | |
1a91de28 | 1617 | en_err(priv, "Failed setting cq moderation parameters\n"); |
c27a02cd YP |
1618 | mlx4_en_deactivate_cq(priv, cq); |
1619 | goto tx_err; | |
1620 | } | |
453a6082 | 1621 | en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i); |
c27a02cd YP |
1622 | cq->buf->wqe_index = cpu_to_be16(0xffff); |
1623 | ||
1624 | /* Configure ring */ | |
41d942d5 | 1625 | tx_ring = priv->tx_ring[i]; |
0e98b523 | 1626 | err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn, |
d317966b | 1627 | i / priv->num_tx_rings_p_up); |
c27a02cd | 1628 | if (err) { |
453a6082 | 1629 | en_err(priv, "Failed allocating Tx ring\n"); |
c27a02cd YP |
1630 | mlx4_en_deactivate_cq(priv, cq); |
1631 | goto tx_err; | |
1632 | } | |
5b263f53 | 1633 | tx_ring->tx_queue = netdev_get_tx_queue(dev, i); |
e22979d9 YP |
1634 | |
1635 | /* Arm CQ for TX completions */ | |
1636 | mlx4_en_arm_cq(priv, cq); | |
1637 | ||
c27a02cd YP |
1638 | /* Set initial ownership of all Tx TXBBs to SW (1) */ |
1639 | for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE) | |
1640 | *((u32 *) (tx_ring->buf + j)) = 0xffffffff; | |
1641 | ++tx_index; | |
1642 | } | |
1643 | ||
1644 | /* Configure port */ | |
1645 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, | |
1646 | priv->rx_skb_size + ETH_FCS_LEN, | |
d53b93f2 YP |
1647 | priv->prof->tx_pause, |
1648 | priv->prof->tx_ppp, | |
1649 | priv->prof->rx_pause, | |
1650 | priv->prof->rx_ppp); | |
c27a02cd | 1651 | if (err) { |
48e551ff YB |
1652 | en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", |
1653 | priv->port, err); | |
c27a02cd YP |
1654 | goto tx_err; |
1655 | } | |
1656 | /* Set default qp number */ | |
1657 | err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); | |
1658 | if (err) { | |
453a6082 | 1659 | en_err(priv, "Failed setting default qp numbers\n"); |
c27a02cd YP |
1660 | goto tx_err; |
1661 | } | |
c27a02cd | 1662 | |
837052d0 | 1663 | if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { |
1b136de1 | 1664 | err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); |
837052d0 OG |
1665 | if (err) { |
1666 | en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", | |
1667 | err); | |
1668 | goto tx_err; | |
1669 | } | |
1670 | } | |
1671 | ||
c27a02cd | 1672 | /* Init port */ |
453a6082 | 1673 | en_dbg(HW, priv, "Initializing port\n"); |
c27a02cd YP |
1674 | err = mlx4_INIT_PORT(mdev->dev, priv->port); |
1675 | if (err) { | |
453a6082 | 1676 | en_err(priv, "Failed Initializing port\n"); |
1679200f | 1677 | goto tx_err; |
c27a02cd YP |
1678 | } |
1679 | ||
ba4b87ae IS |
1680 | /* Set Unicast and VXLAN steering rules */ |
1681 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0 && | |
1682 | mlx4_en_set_rss_steer_rules(priv)) | |
1683 | mlx4_warn(mdev, "Failed setting steering rules\n"); | |
1684 | ||
1679200f | 1685 | /* Attach rx QP to bradcast address */ |
c7bf7169 | 1686 | eth_broadcast_addr(&mc_list[10]); |
0ff1fb65 | 1687 | mc_list[5] = priv->port; /* needed for B0 steering support */ |
1679200f | 1688 | if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list, |
0ff1fb65 HHZ |
1689 | priv->port, 0, MLX4_PROT_ETH, |
1690 | &priv->broadcast_id)) | |
1679200f YP |
1691 | mlx4_warn(mdev, "Failed Attaching Broadcast\n"); |
1692 | ||
b5845f98 HX |
1693 | /* Must redo promiscuous mode setup. */ |
1694 | priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); | |
1695 | ||
c27a02cd | 1696 | /* Schedule multicast task to populate multicast list */ |
0eb74fdd | 1697 | queue_work(mdev->workqueue, &priv->rx_mode_task); |
c27a02cd | 1698 | |
a66132f3 | 1699 | #ifdef CONFIG_MLX4_EN_VXLAN |
9737c6ab | 1700 | if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) |
1b136de1 | 1701 | vxlan_get_rx_port(dev); |
a66132f3 | 1702 | #endif |
c27a02cd | 1703 | priv->port_up = true; |
a11faac7 | 1704 | netif_tx_start_all_queues(dev); |
3484aac1 AV |
1705 | netif_device_attach(dev); |
1706 | ||
c27a02cd YP |
1707 | return 0; |
1708 | ||
c27a02cd YP |
1709 | tx_err: |
1710 | while (tx_index--) { | |
41d942d5 EE |
1711 | mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]); |
1712 | mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]); | |
c27a02cd | 1713 | } |
cabdc8ee HHZ |
1714 | mlx4_en_destroy_drop_qp(priv); |
1715 | rss_err: | |
c27a02cd | 1716 | mlx4_en_release_rss_steer(priv); |
1679200f | 1717 | mac_err: |
16a10ffd | 1718 | mlx4_en_put_qp(priv); |
c27a02cd | 1719 | cq_err: |
9e311e77 | 1720 | while (rx_index--) { |
41d942d5 | 1721 | mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]); |
f94813f3 | 1722 | mlx4_en_free_affinity_hint(priv, rx_index); |
9e311e77 | 1723 | } |
38aab07c | 1724 | for (i = 0; i < priv->rx_ring_num; i++) |
41d942d5 | 1725 | mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); |
c27a02cd YP |
1726 | |
1727 | return err; /* need to close devices */ | |
1728 | } | |
1729 | ||
1730 | ||
3484aac1 | 1731 | void mlx4_en_stop_port(struct net_device *dev, int detach) |
c27a02cd YP |
1732 | { |
1733 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1734 | struct mlx4_en_dev *mdev = priv->mdev; | |
6d199937 | 1735 | struct mlx4_en_mc_list *mclist, *tmp; |
0d256c0e | 1736 | struct ethtool_flow_id *flow, *tmp_flow; |
c27a02cd | 1737 | int i; |
1679200f | 1738 | u8 mc_list[16] = {0}; |
c27a02cd YP |
1739 | |
1740 | if (!priv->port_up) { | |
453a6082 | 1741 | en_dbg(DRV, priv, "stop port called while port already down\n"); |
c27a02cd YP |
1742 | return; |
1743 | } | |
c27a02cd | 1744 | |
0cc5c8bf EE |
1745 | /* close port*/ |
1746 | mlx4_CLOSE_PORT(mdev->dev, priv->port); | |
1747 | ||
c27a02cd YP |
1748 | /* Synchronize with tx routine */ |
1749 | netif_tx_lock_bh(dev); | |
3484aac1 AV |
1750 | if (detach) |
1751 | netif_device_detach(dev); | |
3c05f5ef | 1752 | netif_tx_stop_all_queues(dev); |
c27a02cd YP |
1753 | netif_tx_unlock_bh(dev); |
1754 | ||
3484aac1 AV |
1755 | netif_tx_disable(dev); |
1756 | ||
7c287380 | 1757 | /* Set port as not active */ |
3c05f5ef | 1758 | priv->port_up = false; |
6de5f7f6 | 1759 | priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); |
c27a02cd | 1760 | |
db0e7cba AY |
1761 | /* Promsicuous mode */ |
1762 | if (mdev->dev->caps.steering_mode == | |
1763 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1764 | priv->flags &= ~(MLX4_EN_FLAG_PROMISC | | |
1765 | MLX4_EN_FLAG_MC_PROMISC); | |
1766 | mlx4_flow_steer_promisc_remove(mdev->dev, | |
1767 | priv->port, | |
f9162539 | 1768 | MLX4_FS_ALL_DEFAULT); |
db0e7cba AY |
1769 | mlx4_flow_steer_promisc_remove(mdev->dev, |
1770 | priv->port, | |
f9162539 | 1771 | MLX4_FS_MC_DEFAULT); |
db0e7cba AY |
1772 | } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { |
1773 | priv->flags &= ~MLX4_EN_FLAG_PROMISC; | |
1774 | ||
1775 | /* Disable promiscouos mode */ | |
1776 | mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn, | |
1777 | priv->port); | |
1778 | ||
1779 | /* Disable Multicast promisc */ | |
1780 | if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { | |
1781 | mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, | |
1782 | priv->port); | |
1783 | priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; | |
1784 | } | |
1785 | } | |
1786 | ||
1679200f | 1787 | /* Detach All multicasts */ |
c7bf7169 | 1788 | eth_broadcast_addr(&mc_list[10]); |
0ff1fb65 | 1789 | mc_list[5] = priv->port; /* needed for B0 steering support */ |
1679200f | 1790 | mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, |
0ff1fb65 | 1791 | MLX4_PROT_ETH, priv->broadcast_id); |
6d199937 YP |
1792 | list_for_each_entry(mclist, &priv->curr_list, list) { |
1793 | memcpy(&mc_list[10], mclist->addr, ETH_ALEN); | |
1679200f YP |
1794 | mc_list[5] = priv->port; |
1795 | mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, | |
0ff1fb65 | 1796 | mc_list, MLX4_PROT_ETH, mclist->reg_id); |
de123268 OG |
1797 | if (mclist->tunnel_reg_id) |
1798 | mlx4_flow_detach(mdev->dev, mclist->tunnel_reg_id); | |
1679200f YP |
1799 | } |
1800 | mlx4_en_clear_list(dev); | |
6d199937 YP |
1801 | list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) { |
1802 | list_del(&mclist->list); | |
1803 | kfree(mclist); | |
1804 | } | |
1805 | ||
1679200f YP |
1806 | /* Flush multicast filter */ |
1807 | mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); | |
1808 | ||
6efb5fac HHZ |
1809 | /* Remove flow steering rules for the port*/ |
1810 | if (mdev->dev->caps.steering_mode == | |
1811 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1812 | ASSERT_RTNL(); | |
1813 | list_for_each_entry_safe(flow, tmp_flow, | |
1814 | &priv->ethtool_list, list) { | |
1815 | mlx4_flow_detach(mdev->dev, flow->id); | |
1816 | list_del(&flow->list); | |
1817 | } | |
1818 | } | |
1819 | ||
cabdc8ee HHZ |
1820 | mlx4_en_destroy_drop_qp(priv); |
1821 | ||
c27a02cd YP |
1822 | /* Free TX Rings */ |
1823 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 EE |
1824 | mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]); |
1825 | mlx4_en_deactivate_cq(priv, priv->tx_cq[i]); | |
c27a02cd YP |
1826 | } |
1827 | msleep(10); | |
1828 | ||
1829 | for (i = 0; i < priv->tx_ring_num; i++) | |
41d942d5 | 1830 | mlx4_en_free_tx_buf(dev, priv->tx_ring[i]); |
c27a02cd | 1831 | |
ba4b87ae IS |
1832 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) |
1833 | mlx4_en_delete_rss_steer_rules(priv); | |
1834 | ||
c27a02cd YP |
1835 | /* Free RSS qps */ |
1836 | mlx4_en_release_rss_steer(priv); | |
1837 | ||
ffe455ad | 1838 | /* Unregister Mac address for the port */ |
16a10ffd | 1839 | mlx4_en_put_qp(priv); |
5930e8d0 | 1840 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN)) |
955154fa | 1841 | mdev->mac_removed[priv->port] = 1; |
ffe455ad | 1842 | |
c27a02cd YP |
1843 | /* Free RX Rings */ |
1844 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1845 | struct mlx4_en_cq *cq = priv->rx_cq[i]; |
9e77a2b8 | 1846 | |
f4a36751 | 1847 | napi_synchronize(&cq->napi); |
41d942d5 | 1848 | mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); |
9e77a2b8 | 1849 | mlx4_en_deactivate_cq(priv, cq); |
9e311e77 YA |
1850 | |
1851 | mlx4_en_free_affinity_hint(priv, i); | |
c27a02cd YP |
1852 | } |
1853 | } | |
1854 | ||
1855 | static void mlx4_en_restart(struct work_struct *work) | |
1856 | { | |
1857 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
1858 | watchdog_task); | |
1859 | struct mlx4_en_dev *mdev = priv->mdev; | |
1860 | struct net_device *dev = priv->dev; | |
1861 | ||
453a6082 | 1862 | en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); |
1e338db5 | 1863 | |
0c5c3252 | 1864 | rtnl_lock(); |
1e338db5 YP |
1865 | mutex_lock(&mdev->state_lock); |
1866 | if (priv->port_up) { | |
3484aac1 | 1867 | mlx4_en_stop_port(dev, 1); |
1e338db5 | 1868 | if (mlx4_en_start_port(dev)) |
453a6082 | 1869 | en_err(priv, "Failed restarting port %d\n", priv->port); |
1e338db5 YP |
1870 | } |
1871 | mutex_unlock(&mdev->state_lock); | |
0c5c3252 | 1872 | rtnl_unlock(); |
c27a02cd YP |
1873 | } |
1874 | ||
b477ba62 | 1875 | static void mlx4_en_clear_stats(struct net_device *dev) |
c27a02cd YP |
1876 | { |
1877 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1878 | struct mlx4_en_dev *mdev = priv->mdev; | |
1879 | int i; | |
c27a02cd | 1880 | |
c27a02cd | 1881 | if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1)) |
453a6082 | 1882 | en_dbg(HW, priv, "Failed dumping statistics\n"); |
c27a02cd | 1883 | |
c27a02cd | 1884 | memset(&priv->pstats, 0, sizeof(priv->pstats)); |
b477ba62 EE |
1885 | memset(&priv->pkstats, 0, sizeof(priv->pkstats)); |
1886 | memset(&priv->port_stats, 0, sizeof(priv->port_stats)); | |
0b131561 MB |
1887 | memset(&priv->rx_flowstats, 0, sizeof(priv->rx_flowstats)); |
1888 | memset(&priv->tx_flowstats, 0, sizeof(priv->tx_flowstats)); | |
1889 | memset(&priv->rx_priority_flowstats, 0, | |
1890 | sizeof(priv->rx_priority_flowstats)); | |
1891 | memset(&priv->tx_priority_flowstats, 0, | |
1892 | sizeof(priv->tx_priority_flowstats)); | |
b42de4d0 | 1893 | memset(&priv->pf_stats, 0, sizeof(priv->pf_stats)); |
c27a02cd YP |
1894 | |
1895 | for (i = 0; i < priv->tx_ring_num; i++) { | |
41d942d5 EE |
1896 | priv->tx_ring[i]->bytes = 0; |
1897 | priv->tx_ring[i]->packets = 0; | |
1898 | priv->tx_ring[i]->tx_csum = 0; | |
63a664b7 | 1899 | priv->tx_ring[i]->tx_dropped = 0; |
45acbac6 ED |
1900 | priv->tx_ring[i]->queue_stopped = 0; |
1901 | priv->tx_ring[i]->wake_queue = 0; | |
1902 | priv->tx_ring[i]->tso_packets = 0; | |
1903 | priv->tx_ring[i]->xmit_more = 0; | |
c27a02cd YP |
1904 | } |
1905 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 EE |
1906 | priv->rx_ring[i]->bytes = 0; |
1907 | priv->rx_ring[i]->packets = 0; | |
1908 | priv->rx_ring[i]->csum_ok = 0; | |
1909 | priv->rx_ring[i]->csum_none = 0; | |
f8c6455b | 1910 | priv->rx_ring[i]->csum_complete = 0; |
c27a02cd | 1911 | } |
b477ba62 EE |
1912 | } |
1913 | ||
1914 | static int mlx4_en_open(struct net_device *dev) | |
1915 | { | |
1916 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1917 | struct mlx4_en_dev *mdev = priv->mdev; | |
1918 | int err = 0; | |
1919 | ||
1920 | mutex_lock(&mdev->state_lock); | |
1921 | ||
1922 | if (!mdev->device_up) { | |
1923 | en_err(priv, "Cannot open - device down/disabled\n"); | |
1924 | err = -EBUSY; | |
1925 | goto out; | |
1926 | } | |
1927 | ||
1928 | /* Reset HW statistics and SW counters */ | |
1929 | mlx4_en_clear_stats(dev); | |
c27a02cd | 1930 | |
c27a02cd YP |
1931 | err = mlx4_en_start_port(dev); |
1932 | if (err) | |
453a6082 | 1933 | en_err(priv, "Failed starting port:%d\n", priv->port); |
c27a02cd YP |
1934 | |
1935 | out: | |
1936 | mutex_unlock(&mdev->state_lock); | |
1937 | return err; | |
1938 | } | |
1939 | ||
1940 | ||
1941 | static int mlx4_en_close(struct net_device *dev) | |
1942 | { | |
1943 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
1944 | struct mlx4_en_dev *mdev = priv->mdev; | |
1945 | ||
453a6082 | 1946 | en_dbg(IFDOWN, priv, "Close port called\n"); |
c27a02cd YP |
1947 | |
1948 | mutex_lock(&mdev->state_lock); | |
1949 | ||
3484aac1 | 1950 | mlx4_en_stop_port(dev, 0); |
c27a02cd YP |
1951 | netif_carrier_off(dev); |
1952 | ||
1953 | mutex_unlock(&mdev->state_lock); | |
1954 | return 0; | |
1955 | } | |
1956 | ||
ec25bc04 | 1957 | static void mlx4_en_free_resources(struct mlx4_en_priv *priv) |
c27a02cd YP |
1958 | { |
1959 | int i; | |
1960 | ||
1eb8c695 | 1961 | #ifdef CONFIG_RFS_ACCEL |
1eb8c695 AV |
1962 | priv->dev->rx_cpu_rmap = NULL; |
1963 | #endif | |
1964 | ||
c27a02cd | 1965 | for (i = 0; i < priv->tx_ring_num; i++) { |
41d942d5 | 1966 | if (priv->tx_ring && priv->tx_ring[i]) |
c27a02cd | 1967 | mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); |
41d942d5 | 1968 | if (priv->tx_cq && priv->tx_cq[i]) |
fe0af03c | 1969 | mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); |
c27a02cd YP |
1970 | } |
1971 | ||
1972 | for (i = 0; i < priv->rx_ring_num; i++) { | |
41d942d5 | 1973 | if (priv->rx_ring[i]) |
68355f71 TLSC |
1974 | mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], |
1975 | priv->prof->rx_ring_size, priv->stride); | |
41d942d5 | 1976 | if (priv->rx_cq[i]) |
fe0af03c | 1977 | mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); |
c27a02cd | 1978 | } |
044ca2a5 | 1979 | |
c27a02cd YP |
1980 | } |
1981 | ||
ec25bc04 | 1982 | static int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) |
c27a02cd | 1983 | { |
c27a02cd YP |
1984 | struct mlx4_en_port_profile *prof = priv->prof; |
1985 | int i; | |
163561a4 | 1986 | int node; |
87a5c389 | 1987 | |
c27a02cd YP |
1988 | /* Create tx Rings */ |
1989 | for (i = 0; i < priv->tx_ring_num; i++) { | |
163561a4 | 1990 | node = cpu_to_node(i % num_online_cpus()); |
c27a02cd | 1991 | if (mlx4_en_create_cq(priv, &priv->tx_cq[i], |
163561a4 | 1992 | prof->tx_ring_size, i, TX, node)) |
c27a02cd YP |
1993 | goto err; |
1994 | ||
d03a68f8 | 1995 | if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], |
d03a68f8 IS |
1996 | prof->tx_ring_size, TXBB_SIZE, |
1997 | node, i)) | |
c27a02cd YP |
1998 | goto err; |
1999 | } | |
2000 | ||
2001 | /* Create rx Rings */ | |
2002 | for (i = 0; i < priv->rx_ring_num; i++) { | |
163561a4 | 2003 | node = cpu_to_node(i % num_online_cpus()); |
c27a02cd | 2004 | if (mlx4_en_create_cq(priv, &priv->rx_cq[i], |
163561a4 | 2005 | prof->rx_ring_size, i, RX, node)) |
c27a02cd YP |
2006 | goto err; |
2007 | ||
2008 | if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i], | |
163561a4 EE |
2009 | prof->rx_ring_size, priv->stride, |
2010 | node)) | |
c27a02cd YP |
2011 | goto err; |
2012 | } | |
2013 | ||
1eb8c695 | 2014 | #ifdef CONFIG_RFS_ACCEL |
c66fa19c | 2015 | priv->dev->rx_cpu_rmap = mlx4_get_cpu_rmap(priv->mdev->dev, priv->port); |
1eb8c695 AV |
2016 | #endif |
2017 | ||
c27a02cd YP |
2018 | return 0; |
2019 | ||
2020 | err: | |
453a6082 | 2021 | en_err(priv, "Failed to allocate NIC resources\n"); |
41d942d5 EE |
2022 | for (i = 0; i < priv->rx_ring_num; i++) { |
2023 | if (priv->rx_ring[i]) | |
2024 | mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], | |
2025 | prof->rx_ring_size, | |
2026 | priv->stride); | |
2027 | if (priv->rx_cq[i]) | |
2028 | mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); | |
2029 | } | |
2030 | for (i = 0; i < priv->tx_ring_num; i++) { | |
2031 | if (priv->tx_ring[i]) | |
2032 | mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); | |
2033 | if (priv->tx_cq[i]) | |
2034 | mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); | |
2035 | } | |
c27a02cd YP |
2036 | return -ENOMEM; |
2037 | } | |
2038 | ||
9d769311 EBE |
2039 | static void mlx4_en_shutdown(struct net_device *dev) |
2040 | { | |
2041 | rtnl_lock(); | |
2042 | netif_device_detach(dev); | |
2043 | mlx4_en_close(dev); | |
2044 | rtnl_unlock(); | |
2045 | } | |
c27a02cd | 2046 | |
ec25bc04 EE |
2047 | static int mlx4_en_copy_priv(struct mlx4_en_priv *dst, |
2048 | struct mlx4_en_priv *src, | |
2049 | struct mlx4_en_port_profile *prof) | |
2050 | { | |
2051 | memcpy(&dst->hwtstamp_config, &prof->hwtstamp_config, | |
2052 | sizeof(dst->hwtstamp_config)); | |
2053 | dst->num_tx_rings_p_up = src->mdev->profile.num_tx_rings_p_up; | |
2054 | dst->tx_ring_num = prof->tx_ring_num; | |
2055 | dst->rx_ring_num = prof->rx_ring_num; | |
2056 | dst->flags = prof->flags; | |
2057 | dst->mdev = src->mdev; | |
2058 | dst->port = src->port; | |
2059 | dst->dev = src->dev; | |
2060 | dst->prof = prof; | |
2061 | dst->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) + | |
2062 | DS_SIZE * MLX4_EN_MAX_RX_FRAGS); | |
2063 | ||
2064 | dst->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, | |
2065 | GFP_KERNEL); | |
2066 | if (!dst->tx_ring) | |
2067 | return -ENOMEM; | |
2068 | ||
2069 | dst->tx_cq = kzalloc(sizeof(struct mlx4_en_cq *) * MAX_TX_RINGS, | |
2070 | GFP_KERNEL); | |
2071 | if (!dst->tx_cq) { | |
2072 | kfree(dst->tx_ring); | |
2073 | return -ENOMEM; | |
2074 | } | |
2075 | return 0; | |
2076 | } | |
2077 | ||
2078 | static void mlx4_en_update_priv(struct mlx4_en_priv *dst, | |
2079 | struct mlx4_en_priv *src) | |
2080 | { | |
2081 | memcpy(dst->rx_ring, src->rx_ring, | |
2082 | sizeof(struct mlx4_en_rx_ring *) * src->rx_ring_num); | |
2083 | memcpy(dst->rx_cq, src->rx_cq, | |
2084 | sizeof(struct mlx4_en_cq *) * src->rx_ring_num); | |
2085 | memcpy(&dst->hwtstamp_config, &src->hwtstamp_config, | |
2086 | sizeof(dst->hwtstamp_config)); | |
2087 | dst->tx_ring_num = src->tx_ring_num; | |
2088 | dst->rx_ring_num = src->rx_ring_num; | |
2089 | dst->tx_ring = src->tx_ring; | |
2090 | dst->tx_cq = src->tx_cq; | |
2091 | memcpy(dst->prof, src->prof, sizeof(struct mlx4_en_port_profile)); | |
2092 | } | |
2093 | ||
2094 | int mlx4_en_try_alloc_resources(struct mlx4_en_priv *priv, | |
2095 | struct mlx4_en_priv *tmp, | |
2096 | struct mlx4_en_port_profile *prof) | |
2097 | { | |
2098 | mlx4_en_copy_priv(tmp, priv, prof); | |
2099 | ||
2100 | if (mlx4_en_alloc_resources(tmp)) { | |
2101 | en_warn(priv, | |
2102 | "%s: Resource allocation failed, using previous configuration\n", | |
2103 | __func__); | |
2104 | kfree(tmp->tx_ring); | |
2105 | kfree(tmp->tx_cq); | |
2106 | return -ENOMEM; | |
2107 | } | |
2108 | return 0; | |
2109 | } | |
2110 | ||
2111 | void mlx4_en_safe_replace_resources(struct mlx4_en_priv *priv, | |
2112 | struct mlx4_en_priv *tmp) | |
2113 | { | |
2114 | mlx4_en_free_resources(priv); | |
2115 | mlx4_en_update_priv(priv, tmp); | |
2116 | } | |
2117 | ||
c27a02cd YP |
2118 | void mlx4_en_destroy_netdev(struct net_device *dev) |
2119 | { | |
2120 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2121 | struct mlx4_en_dev *mdev = priv->mdev; | |
9d769311 EBE |
2122 | bool shutdown = mdev->dev->persist->interface_state & |
2123 | MLX4_INTERFACE_STATE_SHUTDOWN; | |
c27a02cd | 2124 | |
453a6082 | 2125 | en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port); |
c27a02cd YP |
2126 | |
2127 | /* Unregister device - this will close the port if it was up */ | |
09d4d087 JP |
2128 | if (priv->registered) { |
2129 | devlink_port_type_clear(mlx4_get_devlink_port(mdev->dev, | |
2130 | priv->port)); | |
9d769311 EBE |
2131 | if (shutdown) |
2132 | mlx4_en_shutdown(dev); | |
2133 | else | |
2134 | unregister_netdev(dev); | |
09d4d087 | 2135 | } |
c27a02cd YP |
2136 | |
2137 | if (priv->allocated) | |
2138 | mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE); | |
2139 | ||
2140 | cancel_delayed_work(&priv->stats_task); | |
b6c39bfc | 2141 | cancel_delayed_work(&priv->service_task); |
c27a02cd YP |
2142 | /* flush any pending task for this netdev */ |
2143 | flush_workqueue(mdev->workqueue); | |
2144 | ||
90683061 EE |
2145 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) |
2146 | mlx4_en_remove_timestamp(mdev); | |
2147 | ||
c27a02cd YP |
2148 | /* Detach the netdev so tasks would not attempt to access it */ |
2149 | mutex_lock(&mdev->state_lock); | |
2150 | mdev->pndev[priv->port] = NULL; | |
5da03547 | 2151 | mdev->upper[priv->port] = NULL; |
c27a02cd YP |
2152 | mutex_unlock(&mdev->state_lock); |
2153 | ||
30f56e3c EE |
2154 | #ifdef CONFIG_RFS_ACCEL |
2155 | mlx4_en_cleanup_filters(priv); | |
2156 | #endif | |
2157 | ||
fe0af03c | 2158 | mlx4_en_free_resources(priv); |
564c274c | 2159 | |
bc6a4744 AV |
2160 | kfree(priv->tx_ring); |
2161 | kfree(priv->tx_cq); | |
2162 | ||
9d769311 EBE |
2163 | if (!shutdown) |
2164 | free_netdev(dev); | |
c27a02cd YP |
2165 | } |
2166 | ||
2167 | static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) | |
2168 | { | |
2169 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2170 | struct mlx4_en_dev *mdev = priv->mdev; | |
2171 | int err = 0; | |
2172 | ||
453a6082 | 2173 | en_dbg(DRV, priv, "Change MTU called - current:%d new:%d\n", |
c27a02cd YP |
2174 | dev->mtu, new_mtu); |
2175 | ||
2176 | if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) { | |
453a6082 | 2177 | en_err(priv, "Bad MTU size:%d.\n", new_mtu); |
c27a02cd YP |
2178 | return -EPERM; |
2179 | } | |
2180 | dev->mtu = new_mtu; | |
2181 | ||
2182 | if (netif_running(dev)) { | |
2183 | mutex_lock(&mdev->state_lock); | |
2184 | if (!mdev->device_up) { | |
2185 | /* NIC is probably restarting - let watchdog task reset | |
2186 | * the port */ | |
453a6082 | 2187 | en_dbg(DRV, priv, "Change MTU called with card down!?\n"); |
c27a02cd | 2188 | } else { |
3484aac1 | 2189 | mlx4_en_stop_port(dev, 1); |
c27a02cd YP |
2190 | err = mlx4_en_start_port(dev); |
2191 | if (err) { | |
453a6082 | 2192 | en_err(priv, "Failed restarting port:%d\n", |
c27a02cd YP |
2193 | priv->port); |
2194 | queue_work(mdev->workqueue, &priv->watchdog_task); | |
2195 | } | |
2196 | } | |
2197 | mutex_unlock(&mdev->state_lock); | |
2198 | } | |
2199 | return 0; | |
2200 | } | |
2201 | ||
100dbda8 | 2202 | static int mlx4_en_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) |
ec693d47 AV |
2203 | { |
2204 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2205 | struct mlx4_en_dev *mdev = priv->mdev; | |
2206 | struct hwtstamp_config config; | |
2207 | ||
2208 | if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) | |
2209 | return -EFAULT; | |
2210 | ||
2211 | /* reserved for future extensions */ | |
2212 | if (config.flags) | |
2213 | return -EINVAL; | |
2214 | ||
2215 | /* device doesn't support time stamping */ | |
2216 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)) | |
2217 | return -EINVAL; | |
2218 | ||
2219 | /* TX HW timestamp */ | |
2220 | switch (config.tx_type) { | |
2221 | case HWTSTAMP_TX_OFF: | |
2222 | case HWTSTAMP_TX_ON: | |
2223 | break; | |
2224 | default: | |
2225 | return -ERANGE; | |
2226 | } | |
2227 | ||
2228 | /* RX HW timestamp */ | |
2229 | switch (config.rx_filter) { | |
2230 | case HWTSTAMP_FILTER_NONE: | |
2231 | break; | |
2232 | case HWTSTAMP_FILTER_ALL: | |
2233 | case HWTSTAMP_FILTER_SOME: | |
2234 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | |
2235 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | |
2236 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | |
2237 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | |
2238 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | |
2239 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | |
2240 | case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: | |
2241 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | |
2242 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | |
2243 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | |
2244 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | |
2245 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | |
2246 | config.rx_filter = HWTSTAMP_FILTER_ALL; | |
2247 | break; | |
2248 | default: | |
2249 | return -ERANGE; | |
2250 | } | |
2251 | ||
7787fa66 | 2252 | if (mlx4_en_reset_config(dev, config, dev->features)) { |
ec693d47 AV |
2253 | config.tx_type = HWTSTAMP_TX_OFF; |
2254 | config.rx_filter = HWTSTAMP_FILTER_NONE; | |
2255 | } | |
2256 | ||
2257 | return copy_to_user(ifr->ifr_data, &config, | |
2258 | sizeof(config)) ? -EFAULT : 0; | |
2259 | } | |
2260 | ||
100dbda8 BH |
2261 | static int mlx4_en_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) |
2262 | { | |
2263 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2264 | ||
2265 | return copy_to_user(ifr->ifr_data, &priv->hwtstamp_config, | |
2266 | sizeof(priv->hwtstamp_config)) ? -EFAULT : 0; | |
2267 | } | |
2268 | ||
ec693d47 AV |
2269 | static int mlx4_en_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
2270 | { | |
2271 | switch (cmd) { | |
2272 | case SIOCSHWTSTAMP: | |
100dbda8 BH |
2273 | return mlx4_en_hwtstamp_set(dev, ifr); |
2274 | case SIOCGHWTSTAMP: | |
2275 | return mlx4_en_hwtstamp_get(dev, ifr); | |
ec693d47 AV |
2276 | default: |
2277 | return -EOPNOTSUPP; | |
2278 | } | |
2279 | } | |
2280 | ||
e38af4fa HHZ |
2281 | static netdev_features_t mlx4_en_fix_features(struct net_device *netdev, |
2282 | netdev_features_t features) | |
2283 | { | |
2284 | struct mlx4_en_priv *en_priv = netdev_priv(netdev); | |
2285 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2286 | ||
2287 | /* Since there is no support for separate RX C-TAG/S-TAG vlan accel | |
2288 | * enable/disable make sure S-TAG flag is always in same state as | |
2289 | * C-TAG. | |
2290 | */ | |
2291 | if (features & NETIF_F_HW_VLAN_CTAG_RX && | |
2292 | !(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) | |
2293 | features |= NETIF_F_HW_VLAN_STAG_RX; | |
2294 | else | |
2295 | features &= ~NETIF_F_HW_VLAN_STAG_RX; | |
2296 | ||
2297 | return features; | |
2298 | } | |
2299 | ||
60d6fe99 AV |
2300 | static int mlx4_en_set_features(struct net_device *netdev, |
2301 | netdev_features_t features) | |
2302 | { | |
2303 | struct mlx4_en_priv *priv = netdev_priv(netdev); | |
f0df3503 | 2304 | bool reset = false; |
537f6f95 SM |
2305 | int ret = 0; |
2306 | ||
f0df3503 MM |
2307 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_RXFCS)) { |
2308 | en_info(priv, "Turn %s RX-FCS\n", | |
2309 | (features & NETIF_F_RXFCS) ? "ON" : "OFF"); | |
2310 | reset = true; | |
2311 | } | |
2312 | ||
78500b8c MM |
2313 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_RXALL)) { |
2314 | u8 ignore_fcs_value = (features & NETIF_F_RXALL) ? 1 : 0; | |
2315 | ||
2316 | en_info(priv, "Turn %s RX-ALL\n", | |
2317 | ignore_fcs_value ? "ON" : "OFF"); | |
2318 | ret = mlx4_SET_PORT_fcs_check(priv->mdev->dev, | |
2319 | priv->port, ignore_fcs_value); | |
2320 | if (ret) | |
2321 | return ret; | |
2322 | } | |
2323 | ||
537f6f95 SM |
2324 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_RX)) { |
2325 | en_info(priv, "Turn %s RX vlan strip offload\n", | |
2326 | (features & NETIF_F_HW_VLAN_CTAG_RX) ? "ON" : "OFF"); | |
f0df3503 | 2327 | reset = true; |
537f6f95 | 2328 | } |
60d6fe99 | 2329 | |
cfb53f36 IS |
2330 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_TX)) |
2331 | en_info(priv, "Turn %s TX vlan strip offload\n", | |
2332 | (features & NETIF_F_HW_VLAN_CTAG_TX) ? "ON" : "OFF"); | |
2333 | ||
e38af4fa HHZ |
2334 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_STAG_TX)) |
2335 | en_info(priv, "Turn %s TX S-VLAN strip offload\n", | |
2336 | (features & NETIF_F_HW_VLAN_STAG_TX) ? "ON" : "OFF"); | |
2337 | ||
241a08c3 IS |
2338 | if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_LOOPBACK)) { |
2339 | en_info(priv, "Turn %s loopback\n", | |
2340 | (features & NETIF_F_LOOPBACK) ? "ON" : "OFF"); | |
2341 | mlx4_en_update_loopback_state(netdev, features); | |
2342 | } | |
79aeaccd | 2343 | |
f0df3503 MM |
2344 | if (reset) { |
2345 | ret = mlx4_en_reset_config(netdev, priv->hwtstamp_config, | |
2346 | features); | |
2347 | if (ret) | |
2348 | return ret; | |
2349 | } | |
60d6fe99 | 2350 | |
f0df3503 | 2351 | return 0; |
60d6fe99 AV |
2352 | } |
2353 | ||
8f7ba3ca RE |
2354 | static int mlx4_en_set_vf_mac(struct net_device *dev, int queue, u8 *mac) |
2355 | { | |
2356 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2357 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
9813337a | 2358 | u64 mac_u64 = mlx4_mac_to_u64(mac); |
8f7ba3ca | 2359 | |
6e522422 | 2360 | if (is_multicast_ether_addr(mac)) |
8f7ba3ca RE |
2361 | return -EINVAL; |
2362 | ||
2363 | return mlx4_set_vf_mac(mdev->dev, en_priv->port, queue, mac_u64); | |
2364 | } | |
2365 | ||
3f7fb021 RE |
2366 | static int mlx4_en_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) |
2367 | { | |
2368 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2369 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2370 | ||
2371 | return mlx4_set_vf_vlan(mdev->dev, en_priv->port, vf, vlan, qos); | |
2372 | } | |
2373 | ||
cda373f4 IS |
2374 | static int mlx4_en_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, |
2375 | int max_tx_rate) | |
2376 | { | |
2377 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2378 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2379 | ||
2380 | return mlx4_set_vf_rate(mdev->dev, en_priv->port, vf, min_tx_rate, | |
2381 | max_tx_rate); | |
2382 | } | |
2383 | ||
e6b6a231 RE |
2384 | static int mlx4_en_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
2385 | { | |
2386 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2387 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2388 | ||
2389 | return mlx4_set_vf_spoofchk(mdev->dev, en_priv->port, vf, setting); | |
2390 | } | |
2391 | ||
2cccb9e4 RE |
2392 | static int mlx4_en_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivf) |
2393 | { | |
2394 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2395 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2396 | ||
2397 | return mlx4_get_vf_config(mdev->dev, en_priv->port, vf, ivf); | |
2398 | } | |
8f7ba3ca | 2399 | |
948e306d RE |
2400 | static int mlx4_en_set_vf_link_state(struct net_device *dev, int vf, int link_state) |
2401 | { | |
2402 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2403 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2404 | ||
2405 | return mlx4_set_vf_link_state(mdev->dev, en_priv->port, vf, link_state); | |
2406 | } | |
84c86403 | 2407 | |
62a89055 EBE |
2408 | static int mlx4_en_get_vf_stats(struct net_device *dev, int vf, |
2409 | struct ifla_vf_stats *vf_stats) | |
2410 | { | |
2411 | struct mlx4_en_priv *en_priv = netdev_priv(dev); | |
2412 | struct mlx4_en_dev *mdev = en_priv->mdev; | |
2413 | ||
2414 | return mlx4_get_vf_stats(mdev->dev, en_priv->port, vf, vf_stats); | |
2415 | } | |
2416 | ||
84c86403 HHZ |
2417 | #define PORT_ID_BYTE_LEN 8 |
2418 | static int mlx4_en_get_phys_port_id(struct net_device *dev, | |
02637fce | 2419 | struct netdev_phys_item_id *ppid) |
84c86403 HHZ |
2420 | { |
2421 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2422 | struct mlx4_dev *mdev = priv->mdev->dev; | |
2423 | int i; | |
2424 | u64 phys_port_id = mdev->caps.phys_port_id[priv->port]; | |
2425 | ||
2426 | if (!phys_port_id) | |
2427 | return -EOPNOTSUPP; | |
2428 | ||
2429 | ppid->id_len = sizeof(phys_port_id); | |
2430 | for (i = PORT_ID_BYTE_LEN - 1; i >= 0; --i) { | |
2431 | ppid->id[i] = phys_port_id & 0xff; | |
2432 | phys_port_id >>= 8; | |
2433 | } | |
2434 | return 0; | |
2435 | } | |
2436 | ||
a66132f3 | 2437 | #ifdef CONFIG_MLX4_EN_VXLAN |
1b136de1 OG |
2438 | static void mlx4_en_add_vxlan_offloads(struct work_struct *work) |
2439 | { | |
2440 | int ret; | |
2441 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
2442 | vxlan_add_task); | |
2443 | ||
2444 | ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port); | |
2445 | if (ret) | |
2446 | goto out; | |
2447 | ||
2448 | ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, | |
2449 | VXLAN_STEER_BY_OUTER_MAC, 1); | |
2450 | out: | |
f4a1edd5 | 2451 | if (ret) { |
1b136de1 | 2452 | en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); |
f4a1edd5 OG |
2453 | return; |
2454 | } | |
2455 | ||
2456 | /* set offloads */ | |
09067122 AD |
2457 | priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
2458 | NETIF_F_RXCSUM | | |
2459 | NETIF_F_TSO | NETIF_F_TSO6 | | |
2460 | NETIF_F_GSO_UDP_TUNNEL | | |
3c9346b2 AD |
2461 | NETIF_F_GSO_UDP_TUNNEL_CSUM | |
2462 | NETIF_F_GSO_PARTIAL; | |
1b136de1 OG |
2463 | } |
2464 | ||
2465 | static void mlx4_en_del_vxlan_offloads(struct work_struct *work) | |
2466 | { | |
2467 | int ret; | |
2468 | struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, | |
2469 | vxlan_del_task); | |
f4a1edd5 | 2470 | /* unset offloads */ |
09067122 AD |
2471 | priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
2472 | NETIF_F_RXCSUM | | |
2473 | NETIF_F_TSO | NETIF_F_TSO6 | | |
2474 | NETIF_F_GSO_UDP_TUNNEL | | |
3c9346b2 AD |
2475 | NETIF_F_GSO_UDP_TUNNEL_CSUM | |
2476 | NETIF_F_GSO_PARTIAL); | |
1b136de1 OG |
2477 | |
2478 | ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, | |
2479 | VXLAN_STEER_BY_OUTER_MAC, 0); | |
2480 | if (ret) | |
2481 | en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); | |
2482 | ||
2483 | priv->vxlan_port = 0; | |
2484 | } | |
2485 | ||
2486 | static void mlx4_en_add_vxlan_port(struct net_device *dev, | |
2487 | sa_family_t sa_family, __be16 port) | |
2488 | { | |
2489 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2490 | __be16 current_port; | |
2491 | ||
e326f2f1 | 2492 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) |
1b136de1 OG |
2493 | return; |
2494 | ||
2495 | if (sa_family == AF_INET6) | |
2496 | return; | |
2497 | ||
2498 | current_port = priv->vxlan_port; | |
2499 | if (current_port && current_port != port) { | |
2500 | en_warn(priv, "vxlan port %d configured, can't add port %d\n", | |
2501 | ntohs(current_port), ntohs(port)); | |
2502 | return; | |
2503 | } | |
2504 | ||
2505 | priv->vxlan_port = port; | |
2506 | queue_work(priv->mdev->workqueue, &priv->vxlan_add_task); | |
2507 | } | |
2508 | ||
2509 | static void mlx4_en_del_vxlan_port(struct net_device *dev, | |
2510 | sa_family_t sa_family, __be16 port) | |
2511 | { | |
2512 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2513 | __be16 current_port; | |
2514 | ||
2515 | if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) | |
2516 | return; | |
2517 | ||
2518 | if (sa_family == AF_INET6) | |
2519 | return; | |
2520 | ||
2521 | current_port = priv->vxlan_port; | |
2522 | if (current_port != port) { | |
2523 | en_dbg(DRV, priv, "vxlan port %d isn't configured, ignoring\n", ntohs(port)); | |
2524 | return; | |
2525 | } | |
2526 | ||
2527 | queue_work(priv->mdev->workqueue, &priv->vxlan_del_task); | |
2528 | } | |
956bdab2 | 2529 | |
5f35227e JG |
2530 | static netdev_features_t mlx4_en_features_check(struct sk_buff *skb, |
2531 | struct net_device *dev, | |
2532 | netdev_features_t features) | |
956bdab2 | 2533 | { |
8cb65d00 | 2534 | features = vlan_features_check(skb, features); |
09067122 AD |
2535 | features = vxlan_features_check(skb, features); |
2536 | ||
2537 | /* The ConnectX-3 doesn't support outer IPv6 checksums but it does | |
2538 | * support inner IPv6 checksums and segmentation so we need to | |
2539 | * strip that feature if this is an IPv6 encapsulated frame. | |
2540 | */ | |
2541 | if (skb->encapsulation && | |
a547224d AD |
2542 | (skb->ip_summed == CHECKSUM_PARTIAL)) { |
2543 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2544 | ||
2545 | if (!priv->vxlan_port || | |
2546 | (ip_hdr(skb)->version != 4) || | |
2547 | (udp_hdr(skb)->dest != priv->vxlan_port)) | |
2548 | features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); | |
2549 | } | |
09067122 AD |
2550 | |
2551 | return features; | |
956bdab2 | 2552 | } |
a66132f3 | 2553 | #endif |
1b136de1 | 2554 | |
de1cf8a7 | 2555 | static int mlx4_en_set_tx_maxrate(struct net_device *dev, int queue_index, u32 maxrate) |
c10e4fc6 OG |
2556 | { |
2557 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
2558 | struct mlx4_en_tx_ring *tx_ring = priv->tx_ring[queue_index]; | |
2559 | struct mlx4_update_qp_params params; | |
2560 | int err; | |
2561 | ||
2562 | if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT)) | |
2563 | return -EOPNOTSUPP; | |
2564 | ||
2565 | /* rate provided to us in Mbs, check if it fits into 12 bits, if not use Gbs */ | |
2566 | if (maxrate >> 12) { | |
2567 | params.rate_unit = MLX4_QP_RATE_LIMIT_GBS; | |
2568 | params.rate_val = maxrate / 1000; | |
2569 | } else if (maxrate) { | |
2570 | params.rate_unit = MLX4_QP_RATE_LIMIT_MBS; | |
2571 | params.rate_val = maxrate; | |
2572 | } else { /* zero serves to revoke the QP rate-limitation */ | |
2573 | params.rate_unit = 0; | |
2574 | params.rate_val = 0; | |
2575 | } | |
2576 | ||
2577 | err = mlx4_update_qp(priv->mdev->dev, tx_ring->qpn, MLX4_UPDATE_QP_RATE_LIMIT, | |
2578 | ¶ms); | |
2579 | return err; | |
2580 | } | |
2581 | ||
3addc568 SH |
2582 | static const struct net_device_ops mlx4_netdev_ops = { |
2583 | .ndo_open = mlx4_en_open, | |
2584 | .ndo_stop = mlx4_en_close, | |
2585 | .ndo_start_xmit = mlx4_en_xmit, | |
f813cad8 | 2586 | .ndo_select_queue = mlx4_en_select_queue, |
9ed17db1 | 2587 | .ndo_get_stats64 = mlx4_en_get_stats64, |
0eb74fdd | 2588 | .ndo_set_rx_mode = mlx4_en_set_rx_mode, |
3addc568 | 2589 | .ndo_set_mac_address = mlx4_en_set_mac, |
52255bbe | 2590 | .ndo_validate_addr = eth_validate_addr, |
3addc568 | 2591 | .ndo_change_mtu = mlx4_en_change_mtu, |
ec693d47 | 2592 | .ndo_do_ioctl = mlx4_en_ioctl, |
3addc568 | 2593 | .ndo_tx_timeout = mlx4_en_tx_timeout, |
3addc568 SH |
2594 | .ndo_vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid, |
2595 | .ndo_vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid, | |
2596 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2597 | .ndo_poll_controller = mlx4_en_netpoll, | |
2598 | #endif | |
60d6fe99 | 2599 | .ndo_set_features = mlx4_en_set_features, |
e38af4fa | 2600 | .ndo_fix_features = mlx4_en_fix_features, |
e4c6734e | 2601 | .ndo_setup_tc = __mlx4_en_setup_tc, |
1eb8c695 AV |
2602 | #ifdef CONFIG_RFS_ACCEL |
2603 | .ndo_rx_flow_steer = mlx4_en_filter_rfs, | |
9e77a2b8 | 2604 | #endif |
84c86403 | 2605 | .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, |
a66132f3 | 2606 | #ifdef CONFIG_MLX4_EN_VXLAN |
1b136de1 OG |
2607 | .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, |
2608 | .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, | |
5f35227e | 2609 | .ndo_features_check = mlx4_en_features_check, |
a66132f3 | 2610 | #endif |
c10e4fc6 | 2611 | .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, |
3addc568 SH |
2612 | }; |
2613 | ||
8f7ba3ca RE |
2614 | static const struct net_device_ops mlx4_netdev_ops_master = { |
2615 | .ndo_open = mlx4_en_open, | |
2616 | .ndo_stop = mlx4_en_close, | |
2617 | .ndo_start_xmit = mlx4_en_xmit, | |
2618 | .ndo_select_queue = mlx4_en_select_queue, | |
9ed17db1 | 2619 | .ndo_get_stats64 = mlx4_en_get_stats64, |
8f7ba3ca RE |
2620 | .ndo_set_rx_mode = mlx4_en_set_rx_mode, |
2621 | .ndo_set_mac_address = mlx4_en_set_mac, | |
2622 | .ndo_validate_addr = eth_validate_addr, | |
2623 | .ndo_change_mtu = mlx4_en_change_mtu, | |
2624 | .ndo_tx_timeout = mlx4_en_tx_timeout, | |
2625 | .ndo_vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid, | |
2626 | .ndo_vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid, | |
2627 | .ndo_set_vf_mac = mlx4_en_set_vf_mac, | |
3f7fb021 | 2628 | .ndo_set_vf_vlan = mlx4_en_set_vf_vlan, |
cda373f4 | 2629 | .ndo_set_vf_rate = mlx4_en_set_vf_rate, |
e6b6a231 | 2630 | .ndo_set_vf_spoofchk = mlx4_en_set_vf_spoofchk, |
948e306d | 2631 | .ndo_set_vf_link_state = mlx4_en_set_vf_link_state, |
62a89055 | 2632 | .ndo_get_vf_stats = mlx4_en_get_vf_stats, |
2cccb9e4 | 2633 | .ndo_get_vf_config = mlx4_en_get_vf_config, |
8f7ba3ca RE |
2634 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2635 | .ndo_poll_controller = mlx4_en_netpoll, | |
2636 | #endif | |
2637 | .ndo_set_features = mlx4_en_set_features, | |
e38af4fa | 2638 | .ndo_fix_features = mlx4_en_fix_features, |
e4c6734e | 2639 | .ndo_setup_tc = __mlx4_en_setup_tc, |
8f7ba3ca RE |
2640 | #ifdef CONFIG_RFS_ACCEL |
2641 | .ndo_rx_flow_steer = mlx4_en_filter_rfs, | |
2642 | #endif | |
84c86403 | 2643 | .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, |
9737c6ab OG |
2644 | #ifdef CONFIG_MLX4_EN_VXLAN |
2645 | .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, | |
2646 | .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, | |
5f35227e | 2647 | .ndo_features_check = mlx4_en_features_check, |
9737c6ab | 2648 | #endif |
c10e4fc6 | 2649 | .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, |
8f7ba3ca RE |
2650 | }; |
2651 | ||
5da03547 MS |
2652 | struct mlx4_en_bond { |
2653 | struct work_struct work; | |
2654 | struct mlx4_en_priv *priv; | |
2655 | int is_bonded; | |
2656 | struct mlx4_port_map port_map; | |
2657 | }; | |
2658 | ||
2659 | static void mlx4_en_bond_work(struct work_struct *work) | |
2660 | { | |
2661 | struct mlx4_en_bond *bond = container_of(work, | |
2662 | struct mlx4_en_bond, | |
2663 | work); | |
2664 | int err = 0; | |
2665 | struct mlx4_dev *dev = bond->priv->mdev->dev; | |
2666 | ||
2667 | if (bond->is_bonded) { | |
2668 | if (!mlx4_is_bonded(dev)) { | |
2669 | err = mlx4_bond(dev); | |
2670 | if (err) | |
2671 | en_err(bond->priv, "Fail to bond device\n"); | |
2672 | } | |
2673 | if (!err) { | |
2674 | err = mlx4_port_map_set(dev, &bond->port_map); | |
2675 | if (err) | |
2676 | en_err(bond->priv, "Fail to set port map [%d][%d]: %d\n", | |
2677 | bond->port_map.port1, | |
2678 | bond->port_map.port2, | |
2679 | err); | |
2680 | } | |
2681 | } else if (mlx4_is_bonded(dev)) { | |
2682 | err = mlx4_unbond(dev); | |
2683 | if (err) | |
2684 | en_err(bond->priv, "Fail to unbond device\n"); | |
2685 | } | |
2686 | dev_put(bond->priv->dev); | |
2687 | kfree(bond); | |
2688 | } | |
2689 | ||
2690 | static int mlx4_en_queue_bond_work(struct mlx4_en_priv *priv, int is_bonded, | |
2691 | u8 v2p_p1, u8 v2p_p2) | |
2692 | { | |
2693 | struct mlx4_en_bond *bond = NULL; | |
2694 | ||
2695 | bond = kzalloc(sizeof(*bond), GFP_ATOMIC); | |
2696 | if (!bond) | |
2697 | return -ENOMEM; | |
2698 | ||
2699 | INIT_WORK(&bond->work, mlx4_en_bond_work); | |
2700 | bond->priv = priv; | |
2701 | bond->is_bonded = is_bonded; | |
2702 | bond->port_map.port1 = v2p_p1; | |
2703 | bond->port_map.port2 = v2p_p2; | |
2704 | dev_hold(priv->dev); | |
2705 | queue_work(priv->mdev->workqueue, &bond->work); | |
2706 | return 0; | |
2707 | } | |
2708 | ||
2709 | int mlx4_en_netdev_event(struct notifier_block *this, | |
2710 | unsigned long event, void *ptr) | |
2711 | { | |
2712 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
2713 | u8 port = 0; | |
2714 | struct mlx4_en_dev *mdev; | |
2715 | struct mlx4_dev *dev; | |
2716 | int i, num_eth_ports = 0; | |
2717 | bool do_bond = true; | |
2718 | struct mlx4_en_priv *priv; | |
2719 | u8 v2p_port1 = 0; | |
2720 | u8 v2p_port2 = 0; | |
2721 | ||
2722 | if (!net_eq(dev_net(ndev), &init_net)) | |
2723 | return NOTIFY_DONE; | |
2724 | ||
2725 | mdev = container_of(this, struct mlx4_en_dev, nb); | |
2726 | dev = mdev->dev; | |
2727 | ||
2728 | /* Go into this mode only when two network devices set on two ports | |
2729 | * of the same mlx4 device are slaves of the same bonding master | |
2730 | */ | |
2731 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) { | |
2732 | ++num_eth_ports; | |
2733 | if (!port && (mdev->pndev[i] == ndev)) | |
2734 | port = i; | |
2735 | mdev->upper[i] = mdev->pndev[i] ? | |
2736 | netdev_master_upper_dev_get(mdev->pndev[i]) : NULL; | |
2737 | /* condition not met: network device is a slave */ | |
2738 | if (!mdev->upper[i]) | |
2739 | do_bond = false; | |
2740 | if (num_eth_ports < 2) | |
2741 | continue; | |
2742 | /* condition not met: same master */ | |
2743 | if (mdev->upper[i] != mdev->upper[i-1]) | |
2744 | do_bond = false; | |
2745 | } | |
2746 | /* condition not met: 2 salves */ | |
2747 | do_bond = (num_eth_ports == 2) ? do_bond : false; | |
2748 | ||
2749 | /* handle only events that come with enough info */ | |
2750 | if ((do_bond && (event != NETDEV_BONDING_INFO)) || !port) | |
2751 | return NOTIFY_DONE; | |
2752 | ||
2753 | priv = netdev_priv(ndev); | |
2754 | if (do_bond) { | |
2755 | struct netdev_notifier_bonding_info *notifier_info = ptr; | |
2756 | struct netdev_bonding_info *bonding_info = | |
2757 | ¬ifier_info->bonding_info; | |
2758 | ||
2759 | /* required mode 1, 2 or 4 */ | |
2760 | if ((bonding_info->master.bond_mode != BOND_MODE_ACTIVEBACKUP) && | |
2761 | (bonding_info->master.bond_mode != BOND_MODE_XOR) && | |
2762 | (bonding_info->master.bond_mode != BOND_MODE_8023AD)) | |
2763 | do_bond = false; | |
2764 | ||
2765 | /* require exactly 2 slaves */ | |
2766 | if (bonding_info->master.num_slaves != 2) | |
2767 | do_bond = false; | |
2768 | ||
2769 | /* calc v2p */ | |
2770 | if (do_bond) { | |
2771 | if (bonding_info->master.bond_mode == | |
2772 | BOND_MODE_ACTIVEBACKUP) { | |
2773 | /* in active-backup mode virtual ports are | |
2774 | * mapped to the physical port of the active | |
2775 | * slave */ | |
2776 | if (bonding_info->slave.state == | |
2777 | BOND_STATE_BACKUP) { | |
2778 | if (port == 1) { | |
2779 | v2p_port1 = 2; | |
2780 | v2p_port2 = 2; | |
2781 | } else { | |
2782 | v2p_port1 = 1; | |
2783 | v2p_port2 = 1; | |
2784 | } | |
2785 | } else { /* BOND_STATE_ACTIVE */ | |
2786 | if (port == 1) { | |
2787 | v2p_port1 = 1; | |
2788 | v2p_port2 = 1; | |
2789 | } else { | |
2790 | v2p_port1 = 2; | |
2791 | v2p_port2 = 2; | |
2792 | } | |
2793 | } | |
2794 | } else { /* Active-Active */ | |
2795 | /* in active-active mode a virtual port is | |
2796 | * mapped to the native physical port if and only | |
2797 | * if the physical port is up */ | |
2798 | __s8 link = bonding_info->slave.link; | |
2799 | ||
2800 | if (port == 1) | |
2801 | v2p_port2 = 2; | |
2802 | else | |
2803 | v2p_port1 = 1; | |
2804 | if ((link == BOND_LINK_UP) || | |
2805 | (link == BOND_LINK_FAIL)) { | |
2806 | if (port == 1) | |
2807 | v2p_port1 = 1; | |
2808 | else | |
2809 | v2p_port2 = 2; | |
2810 | } else { /* BOND_LINK_DOWN || BOND_LINK_BACK */ | |
2811 | if (port == 1) | |
2812 | v2p_port1 = 2; | |
2813 | else | |
2814 | v2p_port2 = 1; | |
2815 | } | |
2816 | } | |
2817 | } | |
2818 | } | |
2819 | ||
2820 | mlx4_en_queue_bond_work(priv, do_bond, | |
2821 | v2p_port1, v2p_port2); | |
2822 | ||
2823 | return NOTIFY_DONE; | |
2824 | } | |
2825 | ||
0b131561 MB |
2826 | void mlx4_en_update_pfc_stats_bitmap(struct mlx4_dev *dev, |
2827 | struct mlx4_en_stats_bitmap *stats_bitmap, | |
2828 | u8 rx_ppp, u8 rx_pause, | |
2829 | u8 tx_ppp, u8 tx_pause) | |
2830 | { | |
b42de4d0 | 2831 | int last_i = NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PF_STATS; |
0b131561 MB |
2832 | |
2833 | if (!mlx4_is_slave(dev) && | |
2834 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN)) { | |
2835 | mutex_lock(&stats_bitmap->mutex); | |
2836 | bitmap_clear(stats_bitmap->bitmap, last_i, NUM_FLOW_STATS); | |
2837 | ||
2838 | if (rx_ppp) | |
2839 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2840 | NUM_FLOW_PRIORITY_STATS_RX); | |
2841 | last_i += NUM_FLOW_PRIORITY_STATS_RX; | |
2842 | ||
2843 | if (rx_pause && !(rx_ppp)) | |
2844 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2845 | NUM_FLOW_STATS_RX); | |
2846 | last_i += NUM_FLOW_STATS_RX; | |
2847 | ||
2848 | if (tx_ppp) | |
2849 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2850 | NUM_FLOW_PRIORITY_STATS_TX); | |
2851 | last_i += NUM_FLOW_PRIORITY_STATS_TX; | |
2852 | ||
2853 | if (tx_pause && !(tx_ppp)) | |
2854 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2855 | NUM_FLOW_STATS_TX); | |
2856 | last_i += NUM_FLOW_STATS_TX; | |
2857 | ||
2858 | mutex_unlock(&stats_bitmap->mutex); | |
2859 | } | |
2860 | } | |
2861 | ||
6fcd2735 | 2862 | void mlx4_en_set_stats_bitmap(struct mlx4_dev *dev, |
0b131561 MB |
2863 | struct mlx4_en_stats_bitmap *stats_bitmap, |
2864 | u8 rx_ppp, u8 rx_pause, | |
2865 | u8 tx_ppp, u8 tx_pause) | |
ffa88f37 | 2866 | { |
6fcd2735 EBE |
2867 | int last_i = 0; |
2868 | ||
3da8a36c EBE |
2869 | mutex_init(&stats_bitmap->mutex); |
2870 | bitmap_zero(stats_bitmap->bitmap, NUM_ALL_STATS); | |
6fcd2735 EBE |
2871 | |
2872 | if (mlx4_is_slave(dev)) { | |
3da8a36c | 2873 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2874 | MLX4_FIND_NETDEV_STAT(rx_packets), 1); |
3da8a36c | 2875 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2876 | MLX4_FIND_NETDEV_STAT(tx_packets), 1); |
3da8a36c | 2877 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2878 | MLX4_FIND_NETDEV_STAT(rx_bytes), 1); |
3da8a36c | 2879 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2880 | MLX4_FIND_NETDEV_STAT(tx_bytes), 1); |
3da8a36c | 2881 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 | 2882 | MLX4_FIND_NETDEV_STAT(rx_dropped), 1); |
3da8a36c | 2883 | bitmap_set(stats_bitmap->bitmap, last_i + |
6fcd2735 EBE |
2884 | MLX4_FIND_NETDEV_STAT(tx_dropped), 1); |
2885 | } else { | |
3da8a36c | 2886 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_MAIN_STATS); |
ffa88f37 | 2887 | } |
6fcd2735 | 2888 | last_i += NUM_MAIN_STATS; |
ffa88f37 | 2889 | |
3da8a36c | 2890 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_PORT_STATS); |
6fcd2735 | 2891 | last_i += NUM_PORT_STATS; |
ffa88f37 | 2892 | |
b42de4d0 EBE |
2893 | if (mlx4_is_master(dev)) |
2894 | bitmap_set(stats_bitmap->bitmap, last_i, | |
2895 | NUM_PF_STATS); | |
2896 | last_i += NUM_PF_STATS; | |
2897 | ||
0b131561 MB |
2898 | mlx4_en_update_pfc_stats_bitmap(dev, stats_bitmap, |
2899 | rx_ppp, rx_pause, | |
2900 | tx_ppp, tx_pause); | |
2901 | last_i += NUM_FLOW_STATS; | |
2902 | ||
6fcd2735 | 2903 | if (!mlx4_is_slave(dev)) |
3da8a36c | 2904 | bitmap_set(stats_bitmap->bitmap, last_i, NUM_PKT_STATS); |
ffa88f37 EBE |
2905 | } |
2906 | ||
c27a02cd YP |
2907 | int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, |
2908 | struct mlx4_en_port_profile *prof) | |
2909 | { | |
2910 | struct net_device *dev; | |
2911 | struct mlx4_en_priv *priv; | |
c07cb4b0 | 2912 | int i; |
c27a02cd YP |
2913 | int err; |
2914 | ||
f1593d22 | 2915 | dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv), |
d317966b | 2916 | MAX_TX_RINGS, MAX_RX_RINGS); |
41de8d4c | 2917 | if (dev == NULL) |
c27a02cd | 2918 | return -ENOMEM; |
c27a02cd | 2919 | |
d317966b AV |
2920 | netif_set_real_num_tx_queues(dev, prof->tx_ring_num); |
2921 | netif_set_real_num_rx_queues(dev, prof->rx_ring_num); | |
2922 | ||
872bf2fb | 2923 | SET_NETDEV_DEV(dev, &mdev->dev->persist->pdev->dev); |
76a066f2 | 2924 | dev->dev_port = port - 1; |
c27a02cd YP |
2925 | |
2926 | /* | |
2927 | * Initialize driver private data | |
2928 | */ | |
2929 | ||
2930 | priv = netdev_priv(dev); | |
2931 | memset(priv, 0, sizeof(struct mlx4_en_priv)); | |
6de5f7f6 | 2932 | priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); |
207af6c5 EE |
2933 | spin_lock_init(&priv->stats_lock); |
2934 | INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); | |
2935 | INIT_WORK(&priv->watchdog_task, mlx4_en_restart); | |
2936 | INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); | |
2937 | INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); | |
2938 | INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); | |
2939 | #ifdef CONFIG_MLX4_EN_VXLAN | |
2940 | INIT_WORK(&priv->vxlan_add_task, mlx4_en_add_vxlan_offloads); | |
2941 | INIT_WORK(&priv->vxlan_del_task, mlx4_en_del_vxlan_offloads); | |
2942 | #endif | |
2943 | #ifdef CONFIG_RFS_ACCEL | |
2944 | INIT_LIST_HEAD(&priv->filters); | |
2945 | spin_lock_init(&priv->filters_lock); | |
2946 | #endif | |
2947 | ||
c27a02cd YP |
2948 | priv->dev = dev; |
2949 | priv->mdev = mdev; | |
ebf8c9aa | 2950 | priv->ddev = &mdev->pdev->dev; |
c27a02cd YP |
2951 | priv->prof = prof; |
2952 | priv->port = port; | |
2953 | priv->port_up = false; | |
c27a02cd | 2954 | priv->flags = prof->flags; |
0fef9d03 | 2955 | priv->pflags = MLX4_EN_PRIV_FLAGS_BLUEFLAME; |
60d6fe99 AV |
2956 | priv->ctrl_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | |
2957 | MLX4_WQE_CTRL_SOLICITED); | |
d317966b | 2958 | priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; |
c27a02cd | 2959 | priv->tx_ring_num = prof->tx_ring_num; |
fbc6daf1 | 2960 | priv->tx_work_limit = MLX4_EN_DEFAULT_TX_WORK; |
bd635c35 | 2961 | netdev_rss_key_fill(priv->rss_key, sizeof(priv->rss_key)); |
d317966b | 2962 | |
41d942d5 | 2963 | priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, |
d317966b | 2964 | GFP_KERNEL); |
bc6a4744 AV |
2965 | if (!priv->tx_ring) { |
2966 | err = -ENOMEM; | |
2967 | goto out; | |
2968 | } | |
41d942d5 | 2969 | priv->tx_cq = kzalloc(sizeof(struct mlx4_en_cq *) * MAX_TX_RINGS, |
d317966b | 2970 | GFP_KERNEL); |
bc6a4744 AV |
2971 | if (!priv->tx_cq) { |
2972 | err = -ENOMEM; | |
2973 | goto out; | |
2974 | } | |
c27a02cd | 2975 | priv->rx_ring_num = prof->rx_ring_num; |
08ff3235 | 2976 | priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0; |
b1b6b4da | 2977 | priv->cqe_size = mdev->dev->caps.cqe_size; |
c27a02cd YP |
2978 | priv->mac_index = -1; |
2979 | priv->msg_enable = MLX4_EN_MSG_LEVEL; | |
564c274c | 2980 | #ifdef CONFIG_MLX4_EN_DCB |
540b3a39 | 2981 | if (!mlx4_is_slave(priv->mdev->dev)) { |
3742cc65 | 2982 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { |
540b3a39 OG |
2983 | dev->dcbnl_ops = &mlx4_en_dcbnl_ops; |
2984 | } else { | |
2985 | en_info(priv, "enabling only PFC DCB ops\n"); | |
2986 | dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops; | |
2987 | } | |
2988 | } | |
564c274c | 2989 | #endif |
c27a02cd | 2990 | |
c07cb4b0 YB |
2991 | for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) |
2992 | INIT_HLIST_HEAD(&priv->mac_hash[i]); | |
16a10ffd | 2993 | |
c27a02cd YP |
2994 | /* Query for default mac and max mtu */ |
2995 | priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port]; | |
6bbb6d99 | 2996 | |
f8c6455b SM |
2997 | if (mdev->dev->caps.rx_checksum_flags_port[priv->port] & |
2998 | MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP) | |
2999 | priv->flags |= MLX4_EN_FLAG_RX_CSUM_NON_TCP_UDP; | |
3000 | ||
6bbb6d99 YB |
3001 | /* Set default MAC */ |
3002 | dev->addr_len = ETH_ALEN; | |
3003 | mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]); | |
3004 | if (!is_valid_ether_addr(dev->dev_addr)) { | |
2b3ddf27 JM |
3005 | en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n", |
3006 | priv->port, dev->dev_addr); | |
3007 | err = -EINVAL; | |
3008 | goto out; | |
3009 | } else if (mlx4_is_slave(priv->mdev->dev) && | |
3010 | (priv->mdev->dev->port_random_macs & 1 << priv->port)) { | |
3011 | /* Random MAC was assigned in mlx4_slave_cap | |
3012 | * in mlx4_core module | |
3013 | */ | |
3014 | dev->addr_assign_type |= NET_ADDR_RANDOM; | |
3015 | en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr); | |
c27a02cd YP |
3016 | } |
3017 | ||
2695bab2 | 3018 | memcpy(priv->current_mac, dev->dev_addr, sizeof(priv->current_mac)); |
6bbb6d99 | 3019 | |
c27a02cd YP |
3020 | priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) + |
3021 | DS_SIZE * MLX4_EN_MAX_RX_FRAGS); | |
3022 | err = mlx4_en_alloc_resources(priv); | |
3023 | if (err) | |
3024 | goto out; | |
3025 | ||
ec693d47 AV |
3026 | /* Initialize time stamping config */ |
3027 | priv->hwtstamp_config.flags = 0; | |
3028 | priv->hwtstamp_config.tx_type = HWTSTAMP_TX_OFF; | |
3029 | priv->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; | |
3030 | ||
c27a02cd YP |
3031 | /* Allocate page for receive rings */ |
3032 | err = mlx4_alloc_hwq_res(mdev->dev, &priv->res, | |
73898db0 | 3033 | MLX4_EN_PAGE_SIZE); |
c27a02cd | 3034 | if (err) { |
453a6082 | 3035 | en_err(priv, "Failed to allocate page for rx qps\n"); |
c27a02cd YP |
3036 | goto out; |
3037 | } | |
3038 | priv->allocated = 1; | |
3039 | ||
c27a02cd YP |
3040 | /* |
3041 | * Initialize netdev entry points | |
3042 | */ | |
8f7ba3ca RE |
3043 | if (mlx4_is_master(priv->mdev->dev)) |
3044 | dev->netdev_ops = &mlx4_netdev_ops_master; | |
3045 | else | |
3046 | dev->netdev_ops = &mlx4_netdev_ops; | |
c27a02cd | 3047 | dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT; |
1eb63a28 BH |
3048 | netif_set_real_num_tx_queues(dev, priv->tx_ring_num); |
3049 | netif_set_real_num_rx_queues(dev, priv->rx_ring_num); | |
3addc568 | 3050 | |
7ad24ea4 | 3051 | dev->ethtool_ops = &mlx4_en_ethtool_ops; |
c27a02cd | 3052 | |
c27a02cd YP |
3053 | /* |
3054 | * Set driver features | |
3055 | */ | |
c8c64cff MM |
3056 | dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
3057 | if (mdev->LSO_support) | |
3058 | dev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6; | |
3059 | ||
3060 | dev->vlan_features = dev->hw_features; | |
3061 | ||
ad86107f | 3062 | dev->hw_features |= NETIF_F_RXCSUM | NETIF_F_RXHASH; |
c8c64cff | 3063 | dev->features = dev->hw_features | NETIF_F_HIGHDMA | |
f646968f PM |
3064 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | |
3065 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
537f6f95 SM |
3066 | dev->hw_features |= NETIF_F_LOOPBACK | |
3067 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; | |
c27a02cd | 3068 | |
e38af4fa HHZ |
3069 | if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { |
3070 | dev->features |= NETIF_F_HW_VLAN_STAG_RX | | |
3071 | NETIF_F_HW_VLAN_STAG_FILTER; | |
3072 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_RX; | |
3073 | } | |
3074 | ||
3075 | if (mlx4_is_slave(mdev->dev)) { | |
3076 | int phv; | |
3077 | ||
3078 | err = get_phv_bit(mdev->dev, port, &phv); | |
3079 | if (!err && phv) { | |
3080 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; | |
3081 | priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV; | |
3082 | } | |
3083 | } else { | |
3084 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && | |
3085 | !(mdev->dev->caps.flags2 & | |
3086 | MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) | |
3087 | dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; | |
3088 | } | |
3089 | ||
f0df3503 MM |
3090 | if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) |
3091 | dev->hw_features |= NETIF_F_RXFCS; | |
3092 | ||
78500b8c MM |
3093 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS) |
3094 | dev->hw_features |= NETIF_F_RXALL; | |
3095 | ||
1eb8c695 | 3096 | if (mdev->dev->caps.steering_mode == |
7d077cd3 MB |
3097 | MLX4_STEERING_MODE_DEVICE_MANAGED && |
3098 | mdev->dev->caps.dmfs_high_steer_mode != MLX4_STEERING_DMFS_A0_STATIC) | |
1eb8c695 AV |
3099 | dev->hw_features |= NETIF_F_NTUPLE; |
3100 | ||
cc5387f7 YB |
3101 | if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) |
3102 | dev->priv_flags |= IFF_UNICAST_FLT; | |
3103 | ||
947cbb0a EP |
3104 | /* Setting a default hash function value */ |
3105 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP) { | |
3106 | priv->rss_hash_fn = ETH_RSS_HASH_TOP; | |
3107 | } else if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR) { | |
3108 | priv->rss_hash_fn = ETH_RSS_HASH_XOR; | |
3109 | } else { | |
3110 | en_warn(priv, | |
3111 | "No RSS hash capabilities exposed, using Toeplitz\n"); | |
3112 | priv->rss_hash_fn = ETH_RSS_HASH_TOP; | |
3113 | } | |
3114 | ||
925ab1aa | 3115 | if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { |
3c9346b2 AD |
3116 | dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
3117 | NETIF_F_GSO_UDP_TUNNEL_CSUM | | |
3118 | NETIF_F_GSO_PARTIAL; | |
3119 | dev->features |= NETIF_F_GSO_UDP_TUNNEL | | |
3120 | NETIF_F_GSO_UDP_TUNNEL_CSUM | | |
3121 | NETIF_F_GSO_PARTIAL; | |
3122 | dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; | |
925ab1aa EE |
3123 | } |
3124 | ||
c27a02cd | 3125 | mdev->pndev[port] = dev; |
5da03547 | 3126 | mdev->upper[port] = NULL; |
c27a02cd YP |
3127 | |
3128 | netif_carrier_off(dev); | |
4801ae70 EE |
3129 | mlx4_en_set_default_moderation(priv); |
3130 | ||
453a6082 YP |
3131 | en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); |
3132 | en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); | |
3133 | ||
79aeaccd YB |
3134 | mlx4_en_update_loopback_state(priv->dev, priv->dev->features); |
3135 | ||
90822265 | 3136 | /* Configure port */ |
5c8e9046 | 3137 | mlx4_en_calc_rx_buf(dev); |
90822265 | 3138 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, |
5c8e9046 YP |
3139 | priv->rx_skb_size + ETH_FCS_LEN, |
3140 | prof->tx_pause, prof->tx_ppp, | |
3141 | prof->rx_pause, prof->rx_ppp); | |
90822265 | 3142 | if (err) { |
1a91de28 JP |
3143 | en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", |
3144 | priv->port, err); | |
90822265 YP |
3145 | goto out; |
3146 | } | |
3147 | ||
837052d0 | 3148 | if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { |
1b136de1 | 3149 | err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); |
837052d0 OG |
3150 | if (err) { |
3151 | en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", | |
3152 | err); | |
3153 | goto out; | |
3154 | } | |
3155 | } | |
3156 | ||
90822265 YP |
3157 | /* Init port */ |
3158 | en_warn(priv, "Initializing port\n"); | |
3159 | err = mlx4_INIT_PORT(mdev->dev, priv->port); | |
3160 | if (err) { | |
3161 | en_err(priv, "Failed Initializing port\n"); | |
3162 | goto out; | |
3163 | } | |
c27a02cd | 3164 | queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); |
dc8142ea | 3165 | |
90683061 | 3166 | /* Initialize time stamp mechanism */ |
dc8142ea | 3167 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) |
90683061 EE |
3168 | mlx4_en_init_timestamp(mdev); |
3169 | ||
fc9f5ea9 EE |
3170 | queue_delayed_work(mdev->workqueue, &priv->service_task, |
3171 | SERVICE_TASK_DELAY); | |
dc8142ea | 3172 | |
0b131561 MB |
3173 | mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap, |
3174 | mdev->profile.prof[priv->port].rx_ppp, | |
3175 | mdev->profile.prof[priv->port].rx_pause, | |
3176 | mdev->profile.prof[priv->port].tx_ppp, | |
3177 | mdev->profile.prof[priv->port].tx_pause); | |
39de961a | 3178 | |
e5eda89d IS |
3179 | err = register_netdev(dev); |
3180 | if (err) { | |
3181 | en_err(priv, "Netdev registration failed for port %d\n", port); | |
3182 | goto out; | |
3183 | } | |
3184 | ||
3185 | priv->registered = 1; | |
09d4d087 JP |
3186 | devlink_port_type_eth_set(mlx4_get_devlink_port(mdev->dev, priv->port), |
3187 | dev); | |
e5eda89d | 3188 | |
c27a02cd YP |
3189 | return 0; |
3190 | ||
3191 | out: | |
3192 | mlx4_en_destroy_netdev(dev); | |
3193 | return err; | |
3194 | } | |
3195 | ||
537f6f95 SM |
3196 | int mlx4_en_reset_config(struct net_device *dev, |
3197 | struct hwtstamp_config ts_config, | |
3198 | netdev_features_t features) | |
3199 | { | |
3200 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
3201 | struct mlx4_en_dev *mdev = priv->mdev; | |
ec25bc04 EE |
3202 | struct mlx4_en_port_profile new_prof; |
3203 | struct mlx4_en_priv *tmp; | |
537f6f95 SM |
3204 | int port_up = 0; |
3205 | int err = 0; | |
3206 | ||
3207 | if (priv->hwtstamp_config.tx_type == ts_config.tx_type && | |
3208 | priv->hwtstamp_config.rx_filter == ts_config.rx_filter && | |
f0df3503 MM |
3209 | !DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) && |
3210 | !DEV_FEATURE_CHANGED(dev, features, NETIF_F_RXFCS)) | |
537f6f95 SM |
3211 | return 0; /* Nothing to change */ |
3212 | ||
3213 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) && | |
3214 | (features & NETIF_F_HW_VLAN_CTAG_RX) && | |
3215 | (priv->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE)) { | |
3216 | en_warn(priv, "Can't turn ON rx vlan offload while time-stamping rx filter is ON\n"); | |
3217 | return -EINVAL; | |
3218 | } | |
3219 | ||
ec25bc04 EE |
3220 | tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); |
3221 | if (!tmp) | |
3222 | return -ENOMEM; | |
3223 | ||
537f6f95 | 3224 | mutex_lock(&mdev->state_lock); |
ec25bc04 EE |
3225 | |
3226 | memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile)); | |
3227 | memcpy(&new_prof.hwtstamp_config, &ts_config, sizeof(ts_config)); | |
3228 | ||
3229 | err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof); | |
3230 | if (err) | |
3231 | goto out; | |
3232 | ||
537f6f95 SM |
3233 | if (priv->port_up) { |
3234 | port_up = 1; | |
3235 | mlx4_en_stop_port(dev, 1); | |
3236 | } | |
3237 | ||
537f6f95 | 3238 | en_warn(priv, "Changing device configuration rx filter(%x) rx vlan(%x)\n", |
ec25bc04 EE |
3239 | ts_config.rx_filter, |
3240 | !!(features & NETIF_F_HW_VLAN_CTAG_RX)); | |
537f6f95 | 3241 | |
ec25bc04 | 3242 | mlx4_en_safe_replace_resources(priv, tmp); |
537f6f95 SM |
3243 | |
3244 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX)) { | |
3245 | if (features & NETIF_F_HW_VLAN_CTAG_RX) | |
3246 | dev->features |= NETIF_F_HW_VLAN_CTAG_RX; | |
3247 | else | |
3248 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3249 | } else if (ts_config.rx_filter == HWTSTAMP_FILTER_NONE) { | |
3250 | /* RX time-stamping is OFF, update the RX vlan offload | |
3251 | * to the latest wanted state | |
3252 | */ | |
3253 | if (dev->wanted_features & NETIF_F_HW_VLAN_CTAG_RX) | |
3254 | dev->features |= NETIF_F_HW_VLAN_CTAG_RX; | |
3255 | else | |
3256 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3257 | } | |
3258 | ||
f0df3503 MM |
3259 | if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_RXFCS)) { |
3260 | if (features & NETIF_F_RXFCS) | |
3261 | dev->features |= NETIF_F_RXFCS; | |
3262 | else | |
3263 | dev->features &= ~NETIF_F_RXFCS; | |
3264 | } | |
3265 | ||
537f6f95 SM |
3266 | /* RX vlan offload and RX time-stamping can't co-exist ! |
3267 | * Regardless of the caller's choice, | |
3268 | * Turn Off RX vlan offload in case of time-stamping is ON | |
3269 | */ | |
3270 | if (ts_config.rx_filter != HWTSTAMP_FILTER_NONE) { | |
3271 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) | |
3272 | en_warn(priv, "Turning off RX vlan offload since RX time-stamping is ON\n"); | |
3273 | dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX; | |
3274 | } | |
3275 | ||
537f6f95 SM |
3276 | if (port_up) { |
3277 | err = mlx4_en_start_port(dev); | |
3278 | if (err) | |
3279 | en_err(priv, "Failed starting port\n"); | |
3280 | } | |
3281 | ||
3282 | out: | |
3283 | mutex_unlock(&mdev->state_lock); | |
ec25bc04 EE |
3284 | kfree(tmp); |
3285 | if (!err) | |
3286 | netdev_features_change(dev); | |
537f6f95 SM |
3287 | return err; |
3288 | } |