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23#include <linux/module.h>
24#include <linux/skbuff.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/ethtool.h>
28#include <net/arp.h>
29
30#include "vlan.h"
31#include "vlanproc.h"
32#include <linux/if_vlan.h>
33
34
35
36
37
38
39
40
41
42
43
44static int vlan_dev_rebuild_header(struct sk_buff *skb)
45{
46 struct net_device *dev = skb->dev;
47 struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
48
49 switch (veth->h_vlan_encapsulated_proto) {
50#ifdef CONFIG_INET
51 case htons(ETH_P_IP):
52
53
54 return arp_find(veth->h_dest, skb);
55#endif
56 default:
57 pr_debug("%s: unable to resolve type %X addresses.\n",
58 dev->name, ntohs(veth->h_vlan_encapsulated_proto));
59
60 memcpy(veth->h_source, dev->dev_addr, ETH_ALEN);
61 break;
62 }
63
64 return 0;
65}
66
67static inline struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb)
68{
69 if (vlan_dev_info(skb->dev)->flags & VLAN_FLAG_REORDER_HDR) {
70 if (skb_cow(skb, skb_headroom(skb)) < 0)
71 skb = NULL;
72 if (skb) {
73
74 memmove(skb->data - ETH_HLEN,
75 skb->data - VLAN_ETH_HLEN, 12);
76 skb->mac_header += VLAN_HLEN;
77 }
78 }
79
80 return skb;
81}
82
83static inline void vlan_set_encap_proto(struct sk_buff *skb,
84 struct vlan_hdr *vhdr)
85{
86 __be16 proto;
87 unsigned char *rawp;
88
89
90
91
92
93
94 proto = vhdr->h_vlan_encapsulated_proto;
95 if (ntohs(proto) >= 1536) {
96 skb->protocol = proto;
97 return;
98 }
99
100 rawp = skb->data;
101 if (*(unsigned short *)rawp == 0xFFFF)
102
103
104
105
106
107
108
109 skb->protocol = htons(ETH_P_802_3);
110 else
111
112
113
114 skb->protocol = htons(ETH_P_802_2);
115}
116
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137
138
139int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
140 struct packet_type *ptype, struct net_device *orig_dev)
141{
142 struct vlan_hdr *vhdr;
143 struct net_device_stats *stats;
144 u16 vlan_id;
145 u16 vlan_tci;
146
147 skb = skb_share_check(skb, GFP_ATOMIC);
148 if (skb == NULL)
149 goto err_free;
150
151 if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
152 goto err_free;
153
154 vhdr = (struct vlan_hdr *)skb->data;
155 vlan_tci = ntohs(vhdr->h_vlan_TCI);
156 vlan_id = vlan_tci & VLAN_VID_MASK;
157
158 rcu_read_lock();
159 skb->dev = __find_vlan_dev(dev, vlan_id);
160 if (!skb->dev) {
161 pr_debug("%s: ERROR: No net_device for VID: %u on dev: %s\n",
162 __func__, vlan_id, dev->name);
163 goto err_unlock;
164 }
165
166 stats = &skb->dev->stats;
167 stats->rx_packets++;
168 stats->rx_bytes += skb->len;
169
170 skb_pull_rcsum(skb, VLAN_HLEN);
171
172 skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tci);
173
174 pr_debug("%s: priority: %u for TCI: %hu\n",
175 __func__, skb->priority, vlan_tci);
176
177 switch (skb->pkt_type) {
178 case PACKET_BROADCAST:
179
180 break;
181
182 case PACKET_MULTICAST:
183 stats->multicast++;
184 break;
185
186 case PACKET_OTHERHOST:
187
188
189
190
191 if (!compare_ether_addr(eth_hdr(skb)->h_dest,
192 skb->dev->dev_addr))
193 skb->pkt_type = PACKET_HOST;
194 break;
195 default:
196 break;
197 }
198
199 vlan_set_encap_proto(skb, vhdr);
200
201 skb = vlan_check_reorder_header(skb);
202 if (!skb) {
203 stats->rx_errors++;
204 goto err_unlock;
205 }
206
207 netif_rx(skb);
208 rcu_read_unlock();
209 return NET_RX_SUCCESS;
210
211err_unlock:
212 rcu_read_unlock();
213err_free:
214 kfree_skb(skb);
215 return NET_RX_DROP;
216}
217
218static inline u16
219vlan_dev_get_egress_qos_mask(struct net_device *dev, struct sk_buff *skb)
220{
221 struct vlan_priority_tci_mapping *mp;
222
223 mp = vlan_dev_info(dev)->egress_priority_map[(skb->priority & 0xF)];
224 while (mp) {
225 if (mp->priority == skb->priority) {
226 return mp->vlan_qos;
227
228
229 }
230 mp = mp->next;
231 }
232 return 0;
233}
234
235
236
237
238
239
240
241
242
243
244static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
245 unsigned short type,
246 const void *daddr, const void *saddr,
247 unsigned int len)
248{
249 struct vlan_hdr *vhdr;
250 unsigned int vhdrlen = 0;
251 u16 vlan_tci = 0;
252 int rc;
253
254 if (WARN_ON(skb_headroom(skb) < dev->hard_header_len))
255 return -ENOSPC;
256
257 if (!(vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR)) {
258 vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);
259
260 vlan_tci = vlan_dev_info(dev)->vlan_id;
261 vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
262 vhdr->h_vlan_TCI = htons(vlan_tci);
263
264
265
266
267
268
269 if (type != ETH_P_802_3)
270 vhdr->h_vlan_encapsulated_proto = htons(type);
271 else
272 vhdr->h_vlan_encapsulated_proto = htons(len);
273
274 skb->protocol = htons(ETH_P_8021Q);
275 type = ETH_P_8021Q;
276 vhdrlen = VLAN_HLEN;
277 }
278
279
280 if (saddr == NULL)
281 saddr = dev->dev_addr;
282
283
284 dev = vlan_dev_info(dev)->real_dev;
285 rc = dev_hard_header(skb, dev, type, daddr, saddr, len + vhdrlen);
286 if (rc > 0)
287 rc += vhdrlen;
288 return rc;
289}
290
291static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
292 struct net_device *dev)
293{
294 int i = skb_get_queue_mapping(skb);
295 struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
296 struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
297 unsigned int len;
298 int ret;
299
300
301
302
303
304
305 if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||
306 vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR) {
307 unsigned int orig_headroom = skb_headroom(skb);
308 u16 vlan_tci;
309
310 vlan_dev_info(dev)->cnt_encap_on_xmit++;
311
312 vlan_tci = vlan_dev_info(dev)->vlan_id;
313 vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
314 skb = __vlan_put_tag(skb, vlan_tci);
315 if (!skb) {
316 txq->tx_dropped++;
317 return NETDEV_TX_OK;
318 }
319
320 if (orig_headroom < VLAN_HLEN)
321 vlan_dev_info(dev)->cnt_inc_headroom_on_tx++;
322 }
323
324
325 skb->dev = vlan_dev_info(dev)->real_dev;
326 len = skb->len;
327 ret = dev_queue_xmit(skb);
328
329 if (likely(ret == NET_XMIT_SUCCESS)) {
330 txq->tx_packets++;
331 txq->tx_bytes += len;
332 } else
333 txq->tx_dropped++;
334
335 return NETDEV_TX_OK;
336}
337
338static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
339 struct net_device *dev)
340{
341 int i = skb_get_queue_mapping(skb);
342 struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
343 u16 vlan_tci;
344 unsigned int len;
345 int ret;
346
347 vlan_tci = vlan_dev_info(dev)->vlan_id;
348 vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
349 skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
350
351 skb->dev = vlan_dev_info(dev)->real_dev;
352 len = skb->len;
353 ret = dev_queue_xmit(skb);
354
355 if (likely(ret == NET_XMIT_SUCCESS)) {
356 txq->tx_packets++;
357 txq->tx_bytes += len;
358 } else
359 txq->tx_dropped++;
360
361 return NETDEV_TX_OK;
362}
363
364static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
365{
366
367
368
369 if (vlan_dev_info(dev)->real_dev->mtu < new_mtu)
370 return -ERANGE;
371
372 dev->mtu = new_mtu;
373
374 return 0;
375}
376
377void vlan_dev_set_ingress_priority(const struct net_device *dev,
378 u32 skb_prio, u16 vlan_prio)
379{
380 struct vlan_dev_info *vlan = vlan_dev_info(dev);
381
382 if (vlan->ingress_priority_map[vlan_prio & 0x7] && !skb_prio)
383 vlan->nr_ingress_mappings--;
384 else if (!vlan->ingress_priority_map[vlan_prio & 0x7] && skb_prio)
385 vlan->nr_ingress_mappings++;
386
387 vlan->ingress_priority_map[vlan_prio & 0x7] = skb_prio;
388}
389
390int vlan_dev_set_egress_priority(const struct net_device *dev,
391 u32 skb_prio, u16 vlan_prio)
392{
393 struct vlan_dev_info *vlan = vlan_dev_info(dev);
394 struct vlan_priority_tci_mapping *mp = NULL;
395 struct vlan_priority_tci_mapping *np;
396 u32 vlan_qos = (vlan_prio << 13) & 0xE000;
397
398
399 mp = vlan->egress_priority_map[skb_prio & 0xF];
400 while (mp) {
401 if (mp->priority == skb_prio) {
402 if (mp->vlan_qos && !vlan_qos)
403 vlan->nr_egress_mappings--;
404 else if (!mp->vlan_qos && vlan_qos)
405 vlan->nr_egress_mappings++;
406 mp->vlan_qos = vlan_qos;
407 return 0;
408 }
409 mp = mp->next;
410 }
411
412
413 mp = vlan->egress_priority_map[skb_prio & 0xF];
414 np = kmalloc(sizeof(struct vlan_priority_tci_mapping), GFP_KERNEL);
415 if (!np)
416 return -ENOBUFS;
417
418 np->next = mp;
419 np->priority = skb_prio;
420 np->vlan_qos = vlan_qos;
421 vlan->egress_priority_map[skb_prio & 0xF] = np;
422 if (vlan_qos)
423 vlan->nr_egress_mappings++;
424 return 0;
425}
426
427
428int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask)
429{
430 struct vlan_dev_info *vlan = vlan_dev_info(dev);
431 u32 old_flags = vlan->flags;
432
433 if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP))
434 return -EINVAL;
435
436 vlan->flags = (old_flags & ~mask) | (flags & mask);
437
438 if (netif_running(dev) && (vlan->flags ^ old_flags) & VLAN_FLAG_GVRP) {
439 if (vlan->flags & VLAN_FLAG_GVRP)
440 vlan_gvrp_request_join(dev);
441 else
442 vlan_gvrp_request_leave(dev);
443 }
444 return 0;
445}
446
447void vlan_dev_get_realdev_name(const struct net_device *dev, char *result)
448{
449 strncpy(result, vlan_dev_info(dev)->real_dev->name, 23);
450}
451
452static int vlan_dev_open(struct net_device *dev)
453{
454 struct vlan_dev_info *vlan = vlan_dev_info(dev);
455 struct net_device *real_dev = vlan->real_dev;
456 int err;
457
458 if (!(real_dev->flags & IFF_UP))
459 return -ENETDOWN;
460
461 if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
462 err = dev_unicast_add(real_dev, dev->dev_addr);
463 if (err < 0)
464 goto out;
465 }
466
467 if (dev->flags & IFF_ALLMULTI) {
468 err = dev_set_allmulti(real_dev, 1);
469 if (err < 0)
470 goto del_unicast;
471 }
472 if (dev->flags & IFF_PROMISC) {
473 err = dev_set_promiscuity(real_dev, 1);
474 if (err < 0)
475 goto clear_allmulti;
476 }
477
478 memcpy(vlan->real_dev_addr, real_dev->dev_addr, ETH_ALEN);
479
480 if (vlan->flags & VLAN_FLAG_GVRP)
481 vlan_gvrp_request_join(dev);
482
483 netif_carrier_on(dev);
484 return 0;
485
486clear_allmulti:
487 if (dev->flags & IFF_ALLMULTI)
488 dev_set_allmulti(real_dev, -1);
489del_unicast:
490 if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
491 dev_unicast_delete(real_dev, dev->dev_addr);
492out:
493 netif_carrier_off(dev);
494 return err;
495}
496
497static int vlan_dev_stop(struct net_device *dev)
498{
499 struct vlan_dev_info *vlan = vlan_dev_info(dev);
500 struct net_device *real_dev = vlan->real_dev;
501
502 if (vlan->flags & VLAN_FLAG_GVRP)
503 vlan_gvrp_request_leave(dev);
504
505 dev_mc_unsync(real_dev, dev);
506 dev_unicast_unsync(real_dev, dev);
507 if (dev->flags & IFF_ALLMULTI)
508 dev_set_allmulti(real_dev, -1);
509 if (dev->flags & IFF_PROMISC)
510 dev_set_promiscuity(real_dev, -1);
511
512 if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
513 dev_unicast_delete(real_dev, dev->dev_addr);
514
515 netif_carrier_off(dev);
516 return 0;
517}
518
519static int vlan_dev_set_mac_address(struct net_device *dev, void *p)
520{
521 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
522 struct sockaddr *addr = p;
523 int err;
524
525 if (!is_valid_ether_addr(addr->sa_data))
526 return -EADDRNOTAVAIL;
527
528 if (!(dev->flags & IFF_UP))
529 goto out;
530
531 if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
532 err = dev_unicast_add(real_dev, addr->sa_data);
533 if (err < 0)
534 return err;
535 }
536
537 if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
538 dev_unicast_delete(real_dev, dev->dev_addr);
539
540out:
541 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
542 return 0;
543}
544
545static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
546{
547 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
548 const struct net_device_ops *ops = real_dev->netdev_ops;
549 struct ifreq ifrr;
550 int err = -EOPNOTSUPP;
551
552 strncpy(ifrr.ifr_name, real_dev->name, IFNAMSIZ);
553 ifrr.ifr_ifru = ifr->ifr_ifru;
554
555 switch (cmd) {
556 case SIOCGMIIPHY:
557 case SIOCGMIIREG:
558 case SIOCSMIIREG:
559 if (netif_device_present(real_dev) && ops->ndo_do_ioctl)
560 err = ops->ndo_do_ioctl(real_dev, &ifrr, cmd);
561 break;
562 }
563
564 if (!err)
565 ifr->ifr_ifru = ifrr.ifr_ifru;
566
567 return err;
568}
569
570static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa)
571{
572 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
573 const struct net_device_ops *ops = real_dev->netdev_ops;
574 int err = 0;
575
576 if (netif_device_present(real_dev) && ops->ndo_neigh_setup)
577 err = ops->ndo_neigh_setup(real_dev, pa);
578
579 return err;
580}
581
582#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
583static int vlan_dev_fcoe_ddp_setup(struct net_device *dev, u16 xid,
584 struct scatterlist *sgl, unsigned int sgc)
585{
586 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
587 const struct net_device_ops *ops = real_dev->netdev_ops;
588 int rc = 0;
589
590 if (ops->ndo_fcoe_ddp_setup)
591 rc = ops->ndo_fcoe_ddp_setup(real_dev, xid, sgl, sgc);
592
593 return rc;
594}
595
596static int vlan_dev_fcoe_ddp_done(struct net_device *dev, u16 xid)
597{
598 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
599 const struct net_device_ops *ops = real_dev->netdev_ops;
600 int len = 0;
601
602 if (ops->ndo_fcoe_ddp_done)
603 len = ops->ndo_fcoe_ddp_done(real_dev, xid);
604
605 return len;
606}
607
608static int vlan_dev_fcoe_enable(struct net_device *dev)
609{
610 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
611 const struct net_device_ops *ops = real_dev->netdev_ops;
612 int rc = -EINVAL;
613
614 if (ops->ndo_fcoe_enable)
615 rc = ops->ndo_fcoe_enable(real_dev);
616 return rc;
617}
618
619static int vlan_dev_fcoe_disable(struct net_device *dev)
620{
621 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
622 const struct net_device_ops *ops = real_dev->netdev_ops;
623 int rc = -EINVAL;
624
625 if (ops->ndo_fcoe_disable)
626 rc = ops->ndo_fcoe_disable(real_dev);
627 return rc;
628}
629#endif
630
631static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
632{
633 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
634
635 if (change & IFF_ALLMULTI)
636 dev_set_allmulti(real_dev, dev->flags & IFF_ALLMULTI ? 1 : -1);
637 if (change & IFF_PROMISC)
638 dev_set_promiscuity(real_dev, dev->flags & IFF_PROMISC ? 1 : -1);
639}
640
641static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
642{
643 dev_mc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
644 dev_unicast_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
645}
646
647
648
649
650
651
652static struct lock_class_key vlan_netdev_xmit_lock_key;
653static struct lock_class_key vlan_netdev_addr_lock_key;
654
655static void vlan_dev_set_lockdep_one(struct net_device *dev,
656 struct netdev_queue *txq,
657 void *_subclass)
658{
659 lockdep_set_class_and_subclass(&txq->_xmit_lock,
660 &vlan_netdev_xmit_lock_key,
661 *(int *)_subclass);
662}
663
664static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
665{
666 lockdep_set_class_and_subclass(&dev->addr_list_lock,
667 &vlan_netdev_addr_lock_key,
668 subclass);
669 netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
670}
671
672static const struct header_ops vlan_header_ops = {
673 .create = vlan_dev_hard_header,
674 .rebuild = vlan_dev_rebuild_header,
675 .parse = eth_header_parse,
676};
677
678static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
679
680static int vlan_dev_init(struct net_device *dev)
681{
682 struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
683 int subclass = 0;
684
685 netif_carrier_off(dev);
686
687
688 dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
689 dev->iflink = real_dev->ifindex;
690 dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
691 (1<<__LINK_STATE_DORMANT))) |
692 (1<<__LINK_STATE_PRESENT);
693
694 dev->features |= real_dev->features & real_dev->vlan_features;
695 dev->gso_max_size = real_dev->gso_max_size;
696
697
698 dev->dev_id = real_dev->dev_id;
699
700 if (is_zero_ether_addr(dev->dev_addr))
701 memcpy(dev->dev_addr, real_dev->dev_addr, dev->addr_len);
702 if (is_zero_ether_addr(dev->broadcast))
703 memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
704
705#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
706 dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
707#endif
708
709 if (real_dev->features & NETIF_F_HW_VLAN_TX) {
710 dev->header_ops = real_dev->header_ops;
711 dev->hard_header_len = real_dev->hard_header_len;
712 dev->netdev_ops = &vlan_netdev_accel_ops;
713 } else {
714 dev->header_ops = &vlan_header_ops;
715 dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
716 dev->netdev_ops = &vlan_netdev_ops;
717 }
718
719 if (is_vlan_dev(real_dev))
720 subclass = 1;
721
722 vlan_dev_set_lockdep_class(dev, subclass);
723 return 0;
724}
725
726static void vlan_dev_uninit(struct net_device *dev)
727{
728 struct vlan_priority_tci_mapping *pm;
729 struct vlan_dev_info *vlan = vlan_dev_info(dev);
730 int i;
731
732 for (i = 0; i < ARRAY_SIZE(vlan->egress_priority_map); i++) {
733 while ((pm = vlan->egress_priority_map[i]) != NULL) {
734 vlan->egress_priority_map[i] = pm->next;
735 kfree(pm);
736 }
737 }
738}
739
740static int vlan_ethtool_get_settings(struct net_device *dev,
741 struct ethtool_cmd *cmd)
742{
743 const struct vlan_dev_info *vlan = vlan_dev_info(dev);
744 return dev_ethtool_get_settings(vlan->real_dev, cmd);
745}
746
747static void vlan_ethtool_get_drvinfo(struct net_device *dev,
748 struct ethtool_drvinfo *info)
749{
750 strcpy(info->driver, vlan_fullname);
751 strcpy(info->version, vlan_version);
752 strcpy(info->fw_version, "N/A");
753}
754
755static u32 vlan_ethtool_get_rx_csum(struct net_device *dev)
756{
757 const struct vlan_dev_info *vlan = vlan_dev_info(dev);
758 return dev_ethtool_get_rx_csum(vlan->real_dev);
759}
760
761static u32 vlan_ethtool_get_flags(struct net_device *dev)
762{
763 const struct vlan_dev_info *vlan = vlan_dev_info(dev);
764 return dev_ethtool_get_flags(vlan->real_dev);
765}
766
767static const struct ethtool_ops vlan_ethtool_ops = {
768 .get_settings = vlan_ethtool_get_settings,
769 .get_drvinfo = vlan_ethtool_get_drvinfo,
770 .get_link = ethtool_op_get_link,
771 .get_rx_csum = vlan_ethtool_get_rx_csum,
772 .get_flags = vlan_ethtool_get_flags,
773};
774
775static const struct net_device_ops vlan_netdev_ops = {
776 .ndo_change_mtu = vlan_dev_change_mtu,
777 .ndo_init = vlan_dev_init,
778 .ndo_uninit = vlan_dev_uninit,
779 .ndo_open = vlan_dev_open,
780 .ndo_stop = vlan_dev_stop,
781 .ndo_start_xmit = vlan_dev_hard_start_xmit,
782 .ndo_validate_addr = eth_validate_addr,
783 .ndo_set_mac_address = vlan_dev_set_mac_address,
784 .ndo_set_rx_mode = vlan_dev_set_rx_mode,
785 .ndo_set_multicast_list = vlan_dev_set_rx_mode,
786 .ndo_change_rx_flags = vlan_dev_change_rx_flags,
787 .ndo_do_ioctl = vlan_dev_ioctl,
788 .ndo_neigh_setup = vlan_dev_neigh_setup,
789#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
790 .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
791 .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
792 .ndo_fcoe_enable = vlan_dev_fcoe_enable,
793 .ndo_fcoe_disable = vlan_dev_fcoe_disable,
794#endif
795};
796
797static const struct net_device_ops vlan_netdev_accel_ops = {
798 .ndo_change_mtu = vlan_dev_change_mtu,
799 .ndo_init = vlan_dev_init,
800 .ndo_uninit = vlan_dev_uninit,
801 .ndo_open = vlan_dev_open,
802 .ndo_stop = vlan_dev_stop,
803 .ndo_start_xmit = vlan_dev_hwaccel_hard_start_xmit,
804 .ndo_validate_addr = eth_validate_addr,
805 .ndo_set_mac_address = vlan_dev_set_mac_address,
806 .ndo_set_rx_mode = vlan_dev_set_rx_mode,
807 .ndo_set_multicast_list = vlan_dev_set_rx_mode,
808 .ndo_change_rx_flags = vlan_dev_change_rx_flags,
809 .ndo_do_ioctl = vlan_dev_ioctl,
810 .ndo_neigh_setup = vlan_dev_neigh_setup,
811#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
812 .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
813 .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
814 .ndo_fcoe_enable = vlan_dev_fcoe_enable,
815 .ndo_fcoe_disable = vlan_dev_fcoe_disable,
816#endif
817};
818
819void vlan_setup(struct net_device *dev)
820{
821 ether_setup(dev);
822
823 dev->priv_flags |= IFF_802_1Q_VLAN;
824 dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
825 dev->tx_queue_len = 0;
826
827 dev->netdev_ops = &vlan_netdev_ops;
828 dev->destructor = free_netdev;
829 dev->ethtool_ops = &vlan_ethtool_ops;
830
831 memset(dev->broadcast, 0, ETH_ALEN);
832}
833