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FRV: Use generic show_interrupts()
[cris-mirror.git] / net / 8021q / vlan.c
blob7850412f52b7e23f817969fea24a560bcbdda4e8
1 /*
2 * INET 802.1Q VLAN
3 * Ethernet-type device handling.
4 *
5 * Authors: Ben Greear <greearb@candelatech.com>
6 * Please send support related email to: netdev@vger.kernel.org
7 * VLAN Home Page: http://www.candelatech.com/~greear/vlan.html
8 *
9 * Fixes:
10 * Fix for packet capture - Nick Eggleston <nick@dccinc.com>;
11 * Add HW acceleration hooks - David S. Miller <davem@redhat.com>;
12 * Correct all the locking - David S. Miller <davem@redhat.com>;
13 * Use hash table for VLAN groups - David S. Miller <davem@redhat.com>
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version.
19 */
20
21 #include <linux/capability.h>
22 #include <linux/module.h>
23 #include <linux/netdevice.h>
24 #include <linux/skbuff.h>
25 #include <linux/slab.h>
26 #include <linux/init.h>
27 #include <linux/rculist.h>
28 #include <net/p8022.h>
29 #include <net/arp.h>
30 #include <linux/rtnetlink.h>
31 #include <linux/notifier.h>
32 #include <net/rtnetlink.h>
33 #include <net/net_namespace.h>
34 #include <net/netns/generic.h>
35 #include <asm/uaccess.h>
36
37 #include <linux/if_vlan.h>
38 #include "vlan.h"
39 #include "vlanproc.h"
40
41 #define DRV_VERSION "1.8"
42
43 /* Global VLAN variables */
44
45 int vlan_net_id __read_mostly;
46
47 const char vlan_fullname[] = "802.1Q VLAN Support";
48 const char vlan_version[] = DRV_VERSION;
49 static const char vlan_copyright[] = "Ben Greear <greearb@candelatech.com>";
50 static const char vlan_buggyright[] = "David S. Miller <davem@redhat.com>";
51
52 static struct packet_type vlan_packet_type __read_mostly = {
53 .type = cpu_to_be16(ETH_P_8021Q),
54 .func = vlan_skb_recv, /* VLAN receive method */
55 };
56
57 /* End of global variables definitions. */
58
59 static void vlan_group_free(struct vlan_group *grp)
60 {
61 int i;
62
63 for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++)
64 kfree(grp->vlan_devices_arrays[i]);
65 kfree(grp);
66 }
67
68 static struct vlan_group *vlan_group_alloc(struct net_device *real_dev)
69 {
70 struct vlan_group *grp;
71
72 grp = kzalloc(sizeof(struct vlan_group), GFP_KERNEL);
73 if (!grp)
74 return NULL;
75
76 grp->real_dev = real_dev;
77 return grp;
78 }
79
80 static int vlan_group_prealloc_vid(struct vlan_group *vg, u16 vlan_id)
81 {
82 struct net_device **array;
83 unsigned int size;
84
85 ASSERT_RTNL();
86
87 array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
88 if (array != NULL)
89 return 0;
90
91 size = sizeof(struct net_device *) * VLAN_GROUP_ARRAY_PART_LEN;
92 array = kzalloc(size, GFP_KERNEL);
93 if (array == NULL)
94 return -ENOBUFS;
95
96 vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN] = array;
97 return 0;
98 }
99
100 static void vlan_rcu_free(struct rcu_head *rcu)
101 {
102 vlan_group_free(container_of(rcu, struct vlan_group, rcu));
103 }
104
105 void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
106 {
107 struct vlan_dev_info *vlan = vlan_dev_info(dev);
108 struct net_device *real_dev = vlan->real_dev;
109 const struct net_device_ops *ops = real_dev->netdev_ops;
110 struct vlan_group *grp;
111 u16 vlan_id = vlan->vlan_id;
112
113 ASSERT_RTNL();
114
115 grp = rtnl_dereference(real_dev->vlgrp);
116 BUG_ON(!grp);
117
118 /* Take it out of our own structures, but be sure to interlock with
119 * HW accelerating devices or SW vlan input packet processing if
120 * VLAN is not 0 (leave it there for 802.1p).
121 */
122 if (vlan_id && (real_dev->features & NETIF_F_HW_VLAN_FILTER))
123 ops->ndo_vlan_rx_kill_vid(real_dev, vlan_id);
124
125 grp->nr_vlans--;
126
127 vlan_group_set_device(grp, vlan_id, NULL);
128 if (!grp->killall)
129 synchronize_net();
130
131 unregister_netdevice_queue(dev, head);
132
133 /* If the group is now empty, kill off the group. */
134 if (grp->nr_vlans == 0) {
135 vlan_gvrp_uninit_applicant(real_dev);
136
137 rcu_assign_pointer(real_dev->vlgrp, NULL);
138 if (ops->ndo_vlan_rx_register)
139 ops->ndo_vlan_rx_register(real_dev, NULL);
140
141 /* Free the group, after all cpu's are done. */
142 call_rcu(&grp->rcu, vlan_rcu_free);
143 }
144
145 /* Get rid of the vlan's reference to real_dev */
146 dev_put(real_dev);
147 }
148
149 int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
150 {
151 const char *name = real_dev->name;
152 const struct net_device_ops *ops = real_dev->netdev_ops;
153
154 if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {
155 pr_info("8021q: VLANs not supported on %s\n", name);
156 return -EOPNOTSUPP;
157 }
158
159 if ((real_dev->features & NETIF_F_HW_VLAN_FILTER) &&
160 (!ops->ndo_vlan_rx_add_vid || !ops->ndo_vlan_rx_kill_vid)) {
161 pr_info("8021q: Device %s has buggy VLAN hw accel\n", name);
162 return -EOPNOTSUPP;
163 }
164
165 if (vlan_find_dev(real_dev, vlan_id) != NULL)
166 return -EEXIST;
167
168 return 0;
169 }
170
171 int register_vlan_dev(struct net_device *dev)
172 {
173 struct vlan_dev_info *vlan = vlan_dev_info(dev);
174 struct net_device *real_dev = vlan->real_dev;
175 const struct net_device_ops *ops = real_dev->netdev_ops;
176 u16 vlan_id = vlan->vlan_id;
177 struct vlan_group *grp, *ngrp = NULL;
178 int err;
179
180 grp = rtnl_dereference(real_dev->vlgrp);
181 if (!grp) {
182 ngrp = grp = vlan_group_alloc(real_dev);
183 if (!grp)
184 return -ENOBUFS;
185 err = vlan_gvrp_init_applicant(real_dev);
186 if (err < 0)
187 goto out_free_group;
188 }
189
190 err = vlan_group_prealloc_vid(grp, vlan_id);
191 if (err < 0)
192 goto out_uninit_applicant;
193
194 err = register_netdevice(dev);
195 if (err < 0)
196 goto out_uninit_applicant;
197
198 /* Account for reference in struct vlan_dev_info */
199 dev_hold(real_dev);
200
201 netif_stacked_transfer_operstate(real_dev, dev);
202 linkwatch_fire_event(dev); /* _MUST_ call rfc2863_policy() */
203
204 /* So, got the sucker initialized, now lets place
205 * it into our local structure.
206 */
207 vlan_group_set_device(grp, vlan_id, dev);
208 grp->nr_vlans++;
209
210 if (ngrp) {
211 if (ops->ndo_vlan_rx_register)
212 ops->ndo_vlan_rx_register(real_dev, ngrp);
213 rcu_assign_pointer(real_dev->vlgrp, ngrp);
214 }
215 if (real_dev->features & NETIF_F_HW_VLAN_FILTER)
216 ops->ndo_vlan_rx_add_vid(real_dev, vlan_id);
217
218 return 0;
219
220 out_uninit_applicant:
221 if (ngrp)
222 vlan_gvrp_uninit_applicant(real_dev);
223 out_free_group:
224 if (ngrp) {
225 /* Free the group, after all cpu's are done. */
226 call_rcu(&ngrp->rcu, vlan_rcu_free);
227 }
228 return err;
229 }
230
231 /* Attach a VLAN device to a mac address (ie Ethernet Card).
232 * Returns 0 if the device was created or a negative error code otherwise.
233 */
234 static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
235 {
236 struct net_device *new_dev;
237 struct net *net = dev_net(real_dev);
238 struct vlan_net *vn = net_generic(net, vlan_net_id);
239 char name[IFNAMSIZ];
240 int err;
241
242 if (vlan_id >= VLAN_VID_MASK)
243 return -ERANGE;
244
245 err = vlan_check_real_dev(real_dev, vlan_id);
246 if (err < 0)
247 return err;
248
249 /* Gotta set up the fields for the device. */
250 switch (vn->name_type) {
251 case VLAN_NAME_TYPE_RAW_PLUS_VID:
252 /* name will look like: eth1.0005 */
253 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);
254 break;
255 case VLAN_NAME_TYPE_PLUS_VID_NO_PAD:
256 /* Put our vlan.VID in the name.
257 * Name will look like: vlan5
258 */
259 snprintf(name, IFNAMSIZ, "vlan%i", vlan_id);
260 break;
261 case VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD:
262 /* Put our vlan.VID in the name.
263 * Name will look like: eth0.5
264 */
265 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);
266 break;
267 case VLAN_NAME_TYPE_PLUS_VID:
268 /* Put our vlan.VID in the name.
269 * Name will look like: vlan0005
270 */
271 default:
272 snprintf(name, IFNAMSIZ, "vlan%.4i", vlan_id);
273 }
274
275 new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name, vlan_setup);
276
277 if (new_dev == NULL)
278 return -ENOBUFS;
279
280 dev_net_set(new_dev, net);
281 /* need 4 bytes for extra VLAN header info,
282 * hope the underlying device can handle it.
283 */
284 new_dev->mtu = real_dev->mtu;
285
286 vlan_dev_info(new_dev)->vlan_id = vlan_id;
287 vlan_dev_info(new_dev)->real_dev = real_dev;
288 vlan_dev_info(new_dev)->dent = NULL;
289 vlan_dev_info(new_dev)->flags = VLAN_FLAG_REORDER_HDR;
290
291 new_dev->rtnl_link_ops = &vlan_link_ops;
292 err = register_vlan_dev(new_dev);
293 if (err < 0)
294 goto out_free_newdev;
295
296 return 0;
297
298 out_free_newdev:
299 free_netdev(new_dev);
300 return err;
301 }
302
303 static void vlan_sync_address(struct net_device *dev,
304 struct net_device *vlandev)
305 {
306 struct vlan_dev_info *vlan = vlan_dev_info(vlandev);
307
308 /* May be called without an actual change */
309 if (!compare_ether_addr(vlan->real_dev_addr, dev->dev_addr))
310 return;
311
312 /* vlan address was different from the old address and is equal to
313 * the new address */
314 if (compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
315 !compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
316 dev_uc_del(dev, vlandev->dev_addr);
317
318 /* vlan address was equal to the old address and is different from
319 * the new address */
320 if (!compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
321 compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
322 dev_uc_add(dev, vlandev->dev_addr);
323
324 memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
325 }
326
327 static void vlan_transfer_features(struct net_device *dev,
328 struct net_device *vlandev)
329 {
330 u32 old_features = vlandev->features;
331
332 vlandev->features &= ~dev->vlan_features;
333 vlandev->features |= dev->features & dev->vlan_features;
334 vlandev->gso_max_size = dev->gso_max_size;
335
336 if (dev->features & NETIF_F_HW_VLAN_TX)
337 vlandev->hard_header_len = dev->hard_header_len;
338 else
339 vlandev->hard_header_len = dev->hard_header_len + VLAN_HLEN;
340
341 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
342 vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
343 #endif
344 if (old_features != vlandev->features)
345 netdev_features_change(vlandev);
346 }
347
348 static void __vlan_device_event(struct net_device *dev, unsigned long event)
349 {
350 switch (event) {
351 case NETDEV_CHANGENAME:
352 vlan_proc_rem_dev(dev);
353 if (vlan_proc_add_dev(dev) < 0)
354 pr_warning("8021q: failed to change proc name for %s\n",
355 dev->name);
356 break;
357 case NETDEV_REGISTER:
358 if (vlan_proc_add_dev(dev) < 0)
359 pr_warning("8021q: failed to add proc entry for %s\n",
360 dev->name);
361 break;
362 case NETDEV_UNREGISTER:
363 vlan_proc_rem_dev(dev);
364 break;
365 }
366 }
367
368 static int vlan_device_event(struct notifier_block *unused, unsigned long event,
369 void *ptr)
370 {
371 struct net_device *dev = ptr;
372 struct vlan_group *grp;
373 int i, flgs;
374 struct net_device *vlandev;
375 struct vlan_dev_info *vlan;
376 LIST_HEAD(list);
377
378 if (is_vlan_dev(dev))
379 __vlan_device_event(dev, event);
380
381 if ((event == NETDEV_UP) &&
382 (dev->features & NETIF_F_HW_VLAN_FILTER) &&
383 dev->netdev_ops->ndo_vlan_rx_add_vid) {
384 pr_info("8021q: adding VLAN 0 to HW filter on device %s\n",
385 dev->name);
386 dev->netdev_ops->ndo_vlan_rx_add_vid(dev, 0);
387 }
388
389 grp = rtnl_dereference(dev->vlgrp);
390 if (!grp)
391 goto out;
392
393 /* It is OK that we do not hold the group lock right now,
394 * as we run under the RTNL lock.
395 */
396
397 switch (event) {
398 case NETDEV_CHANGE:
399 /* Propagate real device state to vlan devices */
400 for (i = 0; i < VLAN_N_VID; i++) {
401 vlandev = vlan_group_get_device(grp, i);
402 if (!vlandev)
403 continue;
404
405 netif_stacked_transfer_operstate(dev, vlandev);
406 }
407 break;
408
409 case NETDEV_CHANGEADDR:
410 /* Adjust unicast filters on underlying device */
411 for (i = 0; i < VLAN_N_VID; i++) {
412 vlandev = vlan_group_get_device(grp, i);
413 if (!vlandev)
414 continue;
415
416 flgs = vlandev->flags;
417 if (!(flgs & IFF_UP))
418 continue;
419
420 vlan_sync_address(dev, vlandev);
421 }
422 break;
423
424 case NETDEV_CHANGEMTU:
425 for (i = 0; i < VLAN_N_VID; i++) {
426 vlandev = vlan_group_get_device(grp, i);
427 if (!vlandev)
428 continue;
429
430 if (vlandev->mtu <= dev->mtu)
431 continue;
432
433 dev_set_mtu(vlandev, dev->mtu);
434 }
435 break;
436
437 case NETDEV_FEAT_CHANGE:
438 /* Propagate device features to underlying device */
439 for (i = 0; i < VLAN_N_VID; i++) {
440 vlandev = vlan_group_get_device(grp, i);
441 if (!vlandev)
442 continue;
443
444 vlan_transfer_features(dev, vlandev);
445 }
446
447 break;
448
449 case NETDEV_DOWN:
450 /* Put all VLANs for this dev in the down state too. */
451 for (i = 0; i < VLAN_N_VID; i++) {
452 vlandev = vlan_group_get_device(grp, i);
453 if (!vlandev)
454 continue;
455
456 flgs = vlandev->flags;
457 if (!(flgs & IFF_UP))
458 continue;
459
460 vlan = vlan_dev_info(vlandev);
461 if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
462 dev_change_flags(vlandev, flgs & ~IFF_UP);
463 netif_stacked_transfer_operstate(dev, vlandev);
464 }
465 break;
466
467 case NETDEV_UP:
468 /* Put all VLANs for this dev in the up state too. */
469 for (i = 0; i < VLAN_N_VID; i++) {
470 vlandev = vlan_group_get_device(grp, i);
471 if (!vlandev)
472 continue;
473
474 flgs = vlandev->flags;
475 if (flgs & IFF_UP)
476 continue;
477
478 vlan = vlan_dev_info(vlandev);
479 if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
480 dev_change_flags(vlandev, flgs | IFF_UP);
481 netif_stacked_transfer_operstate(dev, vlandev);
482 }
483 break;
484
485 case NETDEV_UNREGISTER:
486 /* twiddle thumbs on netns device moves */
487 if (dev->reg_state != NETREG_UNREGISTERING)
488 break;
489
490 /* Delete all VLANs for this dev. */
491 grp->killall = 1;
492
493 for (i = 0; i < VLAN_N_VID; i++) {
494 vlandev = vlan_group_get_device(grp, i);
495 if (!vlandev)
496 continue;
497
498 /* unregistration of last vlan destroys group, abort
499 * afterwards */
500 if (grp->nr_vlans == 1)
501 i = VLAN_N_VID;
502
503 unregister_vlan_dev(vlandev, &list);
504 }
505 unregister_netdevice_many(&list);
506 break;
507
508 case NETDEV_PRE_TYPE_CHANGE:
509 /* Forbid underlaying device to change its type. */
510 return NOTIFY_BAD;
511 }
512
513 out:
514 return NOTIFY_DONE;
515 }
516
517 static struct notifier_block vlan_notifier_block __read_mostly = {
518 .notifier_call = vlan_device_event,
519 };
520
521 /*
522 * VLAN IOCTL handler.
523 * o execute requested action or pass command to the device driver
524 * arg is really a struct vlan_ioctl_args __user *.
525 */
526 static int vlan_ioctl_handler(struct net *net, void __user *arg)
527 {
528 int err;
529 struct vlan_ioctl_args args;
530 struct net_device *dev = NULL;
531
532 if (copy_from_user(&args, arg, sizeof(struct vlan_ioctl_args)))
533 return -EFAULT;
534
535 /* Null terminate this sucker, just in case. */
536 args.device1[23] = 0;
537 args.u.device2[23] = 0;
538
539 rtnl_lock();
540
541 switch (args.cmd) {
542 case SET_VLAN_INGRESS_PRIORITY_CMD:
543 case SET_VLAN_EGRESS_PRIORITY_CMD:
544 case SET_VLAN_FLAG_CMD:
545 case ADD_VLAN_CMD:
546 case DEL_VLAN_CMD:
547 case GET_VLAN_REALDEV_NAME_CMD:
548 case GET_VLAN_VID_CMD:
549 err = -ENODEV;
550 dev = __dev_get_by_name(net, args.device1);
551 if (!dev)
552 goto out;
553
554 err = -EINVAL;
555 if (args.cmd != ADD_VLAN_CMD && !is_vlan_dev(dev))
556 goto out;
557 }
558
559 switch (args.cmd) {
560 case SET_VLAN_INGRESS_PRIORITY_CMD:
561 err = -EPERM;
562 if (!capable(CAP_NET_ADMIN))
563 break;
564 vlan_dev_set_ingress_priority(dev,
565 args.u.skb_priority,
566 args.vlan_qos);
567 err = 0;
568 break;
569
570 case SET_VLAN_EGRESS_PRIORITY_CMD:
571 err = -EPERM;
572 if (!capable(CAP_NET_ADMIN))
573 break;
574 err = vlan_dev_set_egress_priority(dev,
575 args.u.skb_priority,
576 args.vlan_qos);
577 break;
578
579 case SET_VLAN_FLAG_CMD:
580 err = -EPERM;
581 if (!capable(CAP_NET_ADMIN))
582 break;
583 err = vlan_dev_change_flags(dev,
584 args.vlan_qos ? args.u.flag : 0,
585 args.u.flag);
586 break;
587
588 case SET_VLAN_NAME_TYPE_CMD:
589 err = -EPERM;
590 if (!capable(CAP_NET_ADMIN))
591 break;
592 if ((args.u.name_type >= 0) &&
593 (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) {
594 struct vlan_net *vn;
595
596 vn = net_generic(net, vlan_net_id);
597 vn->name_type = args.u.name_type;
598 err = 0;
599 } else {
600 err = -EINVAL;
601 }
602 break;
603
604 case ADD_VLAN_CMD:
605 err = -EPERM;
606 if (!capable(CAP_NET_ADMIN))
607 break;
608 err = register_vlan_device(dev, args.u.VID);
609 break;
610
611 case DEL_VLAN_CMD:
612 err = -EPERM;
613 if (!capable(CAP_NET_ADMIN))
614 break;
615 unregister_vlan_dev(dev, NULL);
616 err = 0;
617 break;
618
619 case GET_VLAN_REALDEV_NAME_CMD:
620 err = 0;
621 vlan_dev_get_realdev_name(dev, args.u.device2);
622 if (copy_to_user(arg, &args,
623 sizeof(struct vlan_ioctl_args)))
624 err = -EFAULT;
625 break;
626
627 case GET_VLAN_VID_CMD:
628 err = 0;
629 args.u.VID = vlan_dev_vlan_id(dev);
630 if (copy_to_user(arg, &args,
631 sizeof(struct vlan_ioctl_args)))
632 err = -EFAULT;
633 break;
634
635 default:
636 err = -EOPNOTSUPP;
637 break;
638 }
639 out:
640 rtnl_unlock();
641 return err;
642 }
643
644 static int __net_init vlan_init_net(struct net *net)
645 {
646 struct vlan_net *vn = net_generic(net, vlan_net_id);
647 int err;
648
649 vn->name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD;
650
651 err = vlan_proc_init(net);
652
653 return err;
654 }
655
656 static void __net_exit vlan_exit_net(struct net *net)
657 {
658 vlan_proc_cleanup(net);
659 }
660
661 static struct pernet_operations vlan_net_ops = {
662 .init = vlan_init_net,
663 .exit = vlan_exit_net,
664 .id = &vlan_net_id,
665 .size = sizeof(struct vlan_net),
666 };
667
668 static int __init vlan_proto_init(void)
669 {
670 int err;
671
672 pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright);
673 pr_info("All bugs added by %s\n", vlan_buggyright);
674
675 err = register_pernet_subsys(&vlan_net_ops);
676 if (err < 0)
677 goto err0;
678
679 err = register_netdevice_notifier(&vlan_notifier_block);
680 if (err < 0)
681 goto err2;
682
683 err = vlan_gvrp_init();
684 if (err < 0)
685 goto err3;
686
687 err = vlan_netlink_init();
688 if (err < 0)
689 goto err4;
690
691 dev_add_pack(&vlan_packet_type);
692 vlan_ioctl_set(vlan_ioctl_handler);
693 return 0;
694
695 err4:
696 vlan_gvrp_uninit();
697 err3:
698 unregister_netdevice_notifier(&vlan_notifier_block);
699 err2:
700 unregister_pernet_subsys(&vlan_net_ops);
701 err0:
702 return err;
703 }
704
705 static void __exit vlan_cleanup_module(void)
706 {
707 vlan_ioctl_set(NULL);
708 vlan_netlink_fini();
709
710 unregister_netdevice_notifier(&vlan_notifier_block);
711
712 dev_remove_pack(&vlan_packet_type);
713
714 unregister_pernet_subsys(&vlan_net_ops);
715 rcu_barrier(); /* Wait for completion of call_rcu()'s */
716
717 vlan_gvrp_uninit();
718 }
719
720 module_init(vlan_proto_init);
721 module_exit(vlan_cleanup_module);
722
723 MODULE_LICENSE("GPL");
724 MODULE_VERSION(DRV_VERSION);
CRIS linux kernel tree