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1 | /* |
2 | * Equalizer Load-balancer for serial network interfaces. |
3 | * |
4 | * (c) Copyright 1995 Simon "Guru Aleph-Null" Janes |
5 | * NCM: Network and Communications Management, Inc. |
6 | * |
7 | * (c) Copyright 2002 David S. Miller (davem@redhat.com) |
8 | * |
9 | * This software may be used and distributed according to the terms |
10 | * of the GNU General Public License, incorporated herein by reference. |
11 | * |
12 | * The author may be reached as simon@ncm.com, or C/O |
13 | * NCM |
14 | * Attn: Simon Janes |
15 | * 6803 Whittier Ave |
16 | * McLean VA 22101 |
17 | * Phone: 1-703-847-0040 ext 103 |
18 | */ |
19 | |
20 | /* |
21 | * Sources: |
22 | * skeleton.c by Donald Becker. |
23 | * Inspirations: |
24 | * The Harried and Overworked Alan Cox |
25 | * Conspiracies: |
26 | * The Alan Cox and Mike McLagan plot to get someone else to do the code, |
27 | * which turned out to be me. |
28 | */ |
29 | |
30 | /* |
31 | * $Log: eql.c,v $ |
32 | * Revision 1.2 1996/04/11 17:51:52 guru |
33 | * Added one-line eql_remove_slave patch. |
34 | * |
35 | * Revision 1.1 1996/04/11 17:44:17 guru |
36 | * Initial revision |
37 | * |
38 | * Revision 3.13 1996/01/21 15:17:18 alan |
39 | * tx_queue_len changes. |
40 | * reformatted. |
41 | * |
42 | * Revision 3.12 1995/03/22 21:07:51 anarchy |
43 | * Added capable() checks on configuration. |
44 | * Moved header file. |
45 | * |
46 | * Revision 3.11 1995/01/19 23:14:31 guru |
47 | * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) - |
48 | * (priority_Bps) + bytes_queued * 8; |
49 | * |
50 | * Revision 3.10 1995/01/19 23:07:53 guru |
51 | * back to |
52 | * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) - |
53 | * (priority_Bps) + bytes_queued; |
54 | * |
55 | * Revision 3.9 1995/01/19 22:38:20 guru |
56 | * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) - |
57 | * (priority_Bps) + bytes_queued * 4; |
58 | * |
59 | * Revision 3.8 1995/01/19 22:30:55 guru |
60 | * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) - |
61 | * (priority_Bps) + bytes_queued * 2; |
62 | * |
63 | * Revision 3.7 1995/01/19 21:52:35 guru |
64 | * printk's trimmed out. |
65 | * |
66 | * Revision 3.6 1995/01/19 21:49:56 guru |
67 | * This is working pretty well. I gained 1 K/s in speed.. now it's just |
68 | * robustness and printk's to be diked out. |
69 | * |
70 | * Revision 3.5 1995/01/18 22:29:59 guru |
71 | * still crashes the kernel when the lock_wait thing is woken up. |
72 | * |
73 | * Revision 3.4 1995/01/18 21:59:47 guru |
74 | * Broken set-bit locking snapshot |
75 | * |
76 | * Revision 3.3 1995/01/17 22:09:18 guru |
77 | * infinite sleep in a lock somewhere.. |
78 | * |
79 | * Revision 3.2 1995/01/15 16:46:06 guru |
80 | * Log trimmed of non-pertinent 1.x branch messages |
81 | * |
82 | * Revision 3.1 1995/01/15 14:41:45 guru |
83 | * New Scheduler and timer stuff... |
84 | * |
85 | * Revision 1.15 1995/01/15 14:29:02 guru |
86 | * Will make 1.14 (now 1.15) the 3.0 branch, and the 1.12 the 2.0 branch, the one |
87 | * with the dumber scheduler |
88 | * |
89 | * Revision 1.14 1995/01/15 02:37:08 guru |
90 | * shock.. the kept-new-versions could have zonked working |
91 | * stuff.. shudder |
92 | * |
93 | * Revision 1.13 1995/01/15 02:36:31 guru |
94 | * big changes |
95 | * |
96 | * scheduler was torn out and replaced with something smarter |
97 | * |
98 | * global names not prefixed with eql_ were renamed to protect |
99 | * against namespace collisions |
100 | * |
101 | * a few more abstract interfaces were added to facilitate any |
102 | * potential change of datastructure. the driver is still using |
103 | * a linked list of slaves. going to a heap would be a bit of |
104 | * an overkill. |
105 | * |
106 | * this compiles fine with no warnings. |
107 | * |
108 | * the locking mechanism and timer stuff must be written however, |
109 | * this version will not work otherwise |
110 | * |
111 | * Sorry, I had to rewrite most of this for 2.5.x -DaveM |
112 | */ |
113 | |
114 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
115 | |
116 | #include <linux/capability.h> |
117 | #include <linux/module.h> |
118 | #include <linux/kernel.h> |
119 | #include <linux/init.h> |
120 | #include <linux/slab.h> |
121 | #include <linux/timer.h> |
122 | #include <linux/netdevice.h> |
123 | #include <net/net_namespace.h> |
124 | |
125 | #include <linux/if.h> |
126 | #include <linux/if_arp.h> |
127 | #include <linux/if_eql.h> |
128 | #include <linux/pkt_sched.h> |
129 | |
130 | #include <asm/uaccess.h> |
131 | |
132 | static int eql_open(struct net_device *dev); |
133 | static int eql_close(struct net_device *dev); |
134 | static int eql_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); |
135 | static netdev_tx_t eql_slave_xmit(struct sk_buff *skb, struct net_device *dev); |
136 | |
137 | #define eql_is_slave(dev) ((dev->flags & IFF_SLAVE) == IFF_SLAVE) |
138 | #define eql_is_master(dev) ((dev->flags & IFF_MASTER) == IFF_MASTER) |
139 | |
140 | static void eql_kill_one_slave(slave_queue_t *queue, slave_t *slave); |
141 | |
142 | static void eql_timer(unsigned long param) |
143 | { |
144 | equalizer_t *eql = (equalizer_t *) param; |
145 | struct list_head *this, *tmp, *head; |
146 | |
147 | spin_lock(&eql->queue.lock); |
148 | head = &eql->queue.all_slaves; |
149 | list_for_each_safe(this, tmp, head) { |
150 | slave_t *slave = list_entry(this, slave_t, list); |
151 | |
152 | if ((slave->dev->flags & IFF_UP) == IFF_UP) { |
153 | slave->bytes_queued -= slave->priority_Bps; |
154 | if (slave->bytes_queued < 0) |
155 | slave->bytes_queued = 0; |
156 | } else { |
157 | eql_kill_one_slave(&eql->queue, slave); |
158 | } |
159 | |
160 | } |
161 | spin_unlock(&eql->queue.lock); |
162 | |
163 | eql->timer.expires = jiffies + EQL_DEFAULT_RESCHED_IVAL; |
164 | add_timer(&eql->timer); |
165 | } |
166 | |
167 | static const char version[] __initconst = |
168 | "Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)"; |
169 | |
170 | static const struct net_device_ops eql_netdev_ops = { |
171 | .ndo_open = eql_open, |
172 | .ndo_stop = eql_close, |
173 | .ndo_do_ioctl = eql_ioctl, |
174 | .ndo_start_xmit = eql_slave_xmit, |
175 | }; |
176 | |
177 | static void __init eql_setup(struct net_device *dev) |
178 | { |
179 | equalizer_t *eql = netdev_priv(dev); |
180 | |
181 | init_timer(&eql->timer); |
182 | eql->timer.data = (unsigned long) eql; |
183 | eql->timer.expires = jiffies + EQL_DEFAULT_RESCHED_IVAL; |
184 | eql->timer.function = eql_timer; |
185 | |
186 | spin_lock_init(&eql->queue.lock); |
187 | INIT_LIST_HEAD(&eql->queue.all_slaves); |
188 | eql->queue.master_dev = dev; |
189 | |
190 | dev->netdev_ops = &eql_netdev_ops; |
191 | |
192 | /* |
193 | * Now we undo some of the things that eth_setup does |
194 | * that we don't like |
195 | */ |
196 | |
197 | dev->mtu = EQL_DEFAULT_MTU; /* set to 576 in if_eql.h */ |
198 | dev->flags = IFF_MASTER; |
199 | |
200 | dev->type = ARPHRD_SLIP; |
201 | dev->tx_queue_len = 5; /* Hands them off fast */ |
202 | dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
203 | } |
204 | |
205 | static int eql_open(struct net_device *dev) |
206 | { |
207 | equalizer_t *eql = netdev_priv(dev); |
208 | |
209 | /* XXX We should force this off automatically for the user. */ |
210 | netdev_info(dev, |
211 | "remember to turn off Van-Jacobson compression on your slave devices\n"); |
212 | |
213 | BUG_ON(!list_empty(&eql->queue.all_slaves)); |
214 | |
215 | eql->min_slaves = 1; |
216 | eql->max_slaves = EQL_DEFAULT_MAX_SLAVES; /* 4 usually... */ |
217 | |
218 | add_timer(&eql->timer); |
219 | |
220 | return 0; |
221 | } |
222 | |
223 | static void eql_kill_one_slave(slave_queue_t *queue, slave_t *slave) |
224 | { |
225 | list_del(&slave->list); |
226 | queue->num_slaves--; |
227 | slave->dev->flags &= ~IFF_SLAVE; |
228 | dev_put(slave->dev); |
229 | kfree(slave); |
230 | } |
231 | |
232 | static void eql_kill_slave_queue(slave_queue_t *queue) |
233 | { |
234 | struct list_head *head, *tmp, *this; |
235 | |
236 | spin_lock_bh(&queue->lock); |
237 | |
238 | head = &queue->all_slaves; |
239 | list_for_each_safe(this, tmp, head) { |
240 | slave_t *s = list_entry(this, slave_t, list); |
241 | |
242 | eql_kill_one_slave(queue, s); |
243 | } |
244 | |
245 | spin_unlock_bh(&queue->lock); |
246 | } |
247 | |
248 | static int eql_close(struct net_device *dev) |
249 | { |
250 | equalizer_t *eql = netdev_priv(dev); |
251 | |
252 | /* |
253 | * The timer has to be stopped first before we start hacking away |
254 | * at the data structure it scans every so often... |
255 | */ |
256 | |
257 | del_timer_sync(&eql->timer); |
258 | |
259 | eql_kill_slave_queue(&eql->queue); |
260 | |
261 | return 0; |
262 | } |
263 | |
264 | static int eql_enslave(struct net_device *dev, slaving_request_t __user *srq); |
265 | static int eql_emancipate(struct net_device *dev, slaving_request_t __user *srq); |
266 | |
267 | static int eql_g_slave_cfg(struct net_device *dev, slave_config_t __user *sc); |
268 | static int eql_s_slave_cfg(struct net_device *dev, slave_config_t __user *sc); |
269 | |
270 | static int eql_g_master_cfg(struct net_device *dev, master_config_t __user *mc); |
271 | static int eql_s_master_cfg(struct net_device *dev, master_config_t __user *mc); |
272 | |
273 | static int eql_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
274 | { |
275 | if (cmd != EQL_GETMASTRCFG && cmd != EQL_GETSLAVECFG && |
276 | !capable(CAP_NET_ADMIN)) |
277 | return -EPERM; |
278 | |
279 | switch (cmd) { |
280 | case EQL_ENSLAVE: |
281 | return eql_enslave(dev, ifr->ifr_data); |
282 | case EQL_EMANCIPATE: |
283 | return eql_emancipate(dev, ifr->ifr_data); |
284 | case EQL_GETSLAVECFG: |
285 | return eql_g_slave_cfg(dev, ifr->ifr_data); |
286 | case EQL_SETSLAVECFG: |
287 | return eql_s_slave_cfg(dev, ifr->ifr_data); |
288 | case EQL_GETMASTRCFG: |
289 | return eql_g_master_cfg(dev, ifr->ifr_data); |
290 | case EQL_SETMASTRCFG: |
291 | return eql_s_master_cfg(dev, ifr->ifr_data); |
292 | default: |
293 | return -EOPNOTSUPP; |
294 | } |
295 | } |
296 | |
297 | /* queue->lock must be held */ |
298 | static slave_t *__eql_schedule_slaves(slave_queue_t *queue) |
299 | { |
300 | unsigned long best_load = ~0UL; |
301 | struct list_head *this, *tmp, *head; |
302 | slave_t *best_slave; |
303 | |
304 | best_slave = NULL; |
305 | |
306 | /* Make a pass to set the best slave. */ |
307 | head = &queue->all_slaves; |
308 | list_for_each_safe(this, tmp, head) { |
309 | slave_t *slave = list_entry(this, slave_t, list); |
310 | unsigned long slave_load, bytes_queued, priority_Bps; |
311 | |
312 | /* Go through the slave list once, updating best_slave |
313 | * whenever a new best_load is found. |
314 | */ |
315 | bytes_queued = slave->bytes_queued; |
316 | priority_Bps = slave->priority_Bps; |
317 | if ((slave->dev->flags & IFF_UP) == IFF_UP) { |
318 | slave_load = (~0UL - (~0UL / 2)) - |
319 | (priority_Bps) + bytes_queued * 8; |
320 | |
321 | if (slave_load < best_load) { |
322 | best_load = slave_load; |
323 | best_slave = slave; |
324 | } |
325 | } else { |
326 | /* We found a dead slave, kill it. */ |
327 | eql_kill_one_slave(queue, slave); |
328 | } |
329 | } |
330 | return best_slave; |
331 | } |
332 | |
333 | static netdev_tx_t eql_slave_xmit(struct sk_buff *skb, struct net_device *dev) |
334 | { |
335 | equalizer_t *eql = netdev_priv(dev); |
336 | slave_t *slave; |
337 | |
338 | spin_lock(&eql->queue.lock); |
339 | |
340 | slave = __eql_schedule_slaves(&eql->queue); |
341 | if (slave) { |
342 | struct net_device *slave_dev = slave->dev; |
343 | |
344 | skb->dev = slave_dev; |
345 | skb->priority = TC_PRIO_FILLER; |
346 | slave->bytes_queued += skb->len; |
347 | dev_queue_xmit(skb); |
348 | dev->stats.tx_packets++; |
349 | } else { |
350 | dev->stats.tx_dropped++; |
351 | dev_kfree_skb(skb); |
352 | } |
353 | |
354 | spin_unlock(&eql->queue.lock); |
355 | |
356 | return NETDEV_TX_OK; |
357 | } |
358 | |
359 | /* |
360 | * Private ioctl functions |
361 | */ |
362 | |
363 | /* queue->lock must be held */ |
364 | static slave_t *__eql_find_slave_dev(slave_queue_t *queue, struct net_device *dev) |
365 | { |
366 | struct list_head *this, *head; |
367 | |
368 | head = &queue->all_slaves; |
369 | list_for_each(this, head) { |
370 | slave_t *slave = list_entry(this, slave_t, list); |
371 | |
372 | if (slave->dev == dev) |
373 | return slave; |
374 | } |
375 | |
376 | return NULL; |
377 | } |
378 | |
379 | static inline int eql_is_full(slave_queue_t *queue) |
380 | { |
381 | equalizer_t *eql = netdev_priv(queue->master_dev); |
382 | |
383 | if (queue->num_slaves >= eql->max_slaves) |
384 | return 1; |
385 | return 0; |
386 | } |
387 | |
388 | /* queue->lock must be held */ |
389 | static int __eql_insert_slave(slave_queue_t *queue, slave_t *slave) |
390 | { |
391 | if (!eql_is_full(queue)) { |
392 | slave_t *duplicate_slave = NULL; |
393 | |
394 | duplicate_slave = __eql_find_slave_dev(queue, slave->dev); |
395 | if (duplicate_slave) |
396 | eql_kill_one_slave(queue, duplicate_slave); |
397 | |
398 | list_add(&slave->list, &queue->all_slaves); |
399 | queue->num_slaves++; |
400 | slave->dev->flags |= IFF_SLAVE; |
401 | |
402 | return 0; |
403 | } |
404 | |
405 | return -ENOSPC; |
406 | } |
407 | |
408 | static int eql_enslave(struct net_device *master_dev, slaving_request_t __user *srqp) |
409 | { |
410 | struct net_device *slave_dev; |
411 | slaving_request_t srq; |
412 | |
413 | if (copy_from_user(&srq, srqp, sizeof (slaving_request_t))) |
414 | return -EFAULT; |
415 | |
416 | slave_dev = dev_get_by_name(&init_net, srq.slave_name); |
417 | if (slave_dev) { |
418 | if ((master_dev->flags & IFF_UP) == IFF_UP) { |
419 | /* slave is not a master & not already a slave: */ |
420 | if (!eql_is_master(slave_dev) && |
421 | !eql_is_slave(slave_dev)) { |
422 | slave_t *s = kmalloc(sizeof(*s), GFP_KERNEL); |
423 | equalizer_t *eql = netdev_priv(master_dev); |
424 | int ret; |
425 | |
426 | if (!s) { |
427 | dev_put(slave_dev); |
428 | return -ENOMEM; |
429 | } |
430 | |
431 | memset(s, 0, sizeof(*s)); |
432 | s->dev = slave_dev; |
433 | s->priority = srq.priority; |
434 | s->priority_bps = srq.priority; |
435 | s->priority_Bps = srq.priority / 8; |
436 | |
437 | spin_lock_bh(&eql->queue.lock); |
438 | ret = __eql_insert_slave(&eql->queue, s); |
439 | if (ret) { |
440 | dev_put(slave_dev); |
441 | kfree(s); |
442 | } |
443 | spin_unlock_bh(&eql->queue.lock); |
444 | |
445 | return ret; |
446 | } |
447 | } |
448 | dev_put(slave_dev); |
449 | } |
450 | |
451 | return -EINVAL; |
452 | } |
453 | |
454 | static int eql_emancipate(struct net_device *master_dev, slaving_request_t __user *srqp) |
455 | { |
456 | equalizer_t *eql = netdev_priv(master_dev); |
457 | struct net_device *slave_dev; |
458 | slaving_request_t srq; |
459 | int ret; |
460 | |
461 | if (copy_from_user(&srq, srqp, sizeof (slaving_request_t))) |
462 | return -EFAULT; |
463 | |
464 | slave_dev = dev_get_by_name(&init_net, srq.slave_name); |
465 | ret = -EINVAL; |
466 | if (slave_dev) { |
467 | spin_lock_bh(&eql->queue.lock); |
468 | |
469 | if (eql_is_slave(slave_dev)) { |
470 | slave_t *slave = __eql_find_slave_dev(&eql->queue, |
471 | slave_dev); |
472 | |
473 | if (slave) { |
474 | eql_kill_one_slave(&eql->queue, slave); |
475 | ret = 0; |
476 | } |
477 | } |
478 | dev_put(slave_dev); |
479 | |
480 | spin_unlock_bh(&eql->queue.lock); |
481 | } |
482 | |
483 | return ret; |
484 | } |
485 | |
486 | static int eql_g_slave_cfg(struct net_device *dev, slave_config_t __user *scp) |
487 | { |
488 | equalizer_t *eql = netdev_priv(dev); |
489 | slave_t *slave; |
490 | struct net_device *slave_dev; |
491 | slave_config_t sc; |
492 | int ret; |
493 | |
494 | if (copy_from_user(&sc, scp, sizeof (slave_config_t))) |
495 | return -EFAULT; |
496 | |
497 | slave_dev = dev_get_by_name(&init_net, sc.slave_name); |
498 | if (!slave_dev) |
499 | return -ENODEV; |
500 | |
501 | ret = -EINVAL; |
502 | |
503 | spin_lock_bh(&eql->queue.lock); |
504 | if (eql_is_slave(slave_dev)) { |
505 | slave = __eql_find_slave_dev(&eql->queue, slave_dev); |
506 | if (slave) { |
507 | sc.priority = slave->priority; |
508 | ret = 0; |
509 | } |
510 | } |
511 | spin_unlock_bh(&eql->queue.lock); |
512 | |
513 | dev_put(slave_dev); |
514 | |
515 | if (!ret && copy_to_user(scp, &sc, sizeof (slave_config_t))) |
516 | ret = -EFAULT; |
517 | |
518 | return ret; |
519 | } |
520 | |
521 | static int eql_s_slave_cfg(struct net_device *dev, slave_config_t __user *scp) |
522 | { |
523 | slave_t *slave; |
524 | equalizer_t *eql; |
525 | struct net_device *slave_dev; |
526 | slave_config_t sc; |
527 | int ret; |
528 | |
529 | if (copy_from_user(&sc, scp, sizeof (slave_config_t))) |
530 | return -EFAULT; |
531 | |
532 | slave_dev = dev_get_by_name(&init_net, sc.slave_name); |
533 | if (!slave_dev) |
534 | return -ENODEV; |
535 | |
536 | ret = -EINVAL; |
537 | |
538 | eql = netdev_priv(dev); |
539 | spin_lock_bh(&eql->queue.lock); |
540 | if (eql_is_slave(slave_dev)) { |
541 | slave = __eql_find_slave_dev(&eql->queue, slave_dev); |
542 | if (slave) { |
543 | slave->priority = sc.priority; |
544 | slave->priority_bps = sc.priority; |
545 | slave->priority_Bps = sc.priority / 8; |
546 | ret = 0; |
547 | } |
548 | } |
549 | spin_unlock_bh(&eql->queue.lock); |
550 | |
551 | dev_put(slave_dev); |
552 | |
553 | return ret; |
554 | } |
555 | |
556 | static int eql_g_master_cfg(struct net_device *dev, master_config_t __user *mcp) |
557 | { |
558 | equalizer_t *eql; |
559 | master_config_t mc; |
560 | |
561 | memset(&mc, 0, sizeof(master_config_t)); |
562 | |
563 | if (eql_is_master(dev)) { |
564 | eql = netdev_priv(dev); |
565 | mc.max_slaves = eql->max_slaves; |
566 | mc.min_slaves = eql->min_slaves; |
567 | if (copy_to_user(mcp, &mc, sizeof (master_config_t))) |
568 | return -EFAULT; |
569 | return 0; |
570 | } |
571 | return -EINVAL; |
572 | } |
573 | |
574 | static int eql_s_master_cfg(struct net_device *dev, master_config_t __user *mcp) |
575 | { |
576 | equalizer_t *eql; |
577 | master_config_t mc; |
578 | |
579 | if (copy_from_user(&mc, mcp, sizeof (master_config_t))) |
580 | return -EFAULT; |
581 | |
582 | if (eql_is_master(dev)) { |
583 | eql = netdev_priv(dev); |
584 | eql->max_slaves = mc.max_slaves; |
585 | eql->min_slaves = mc.min_slaves; |
586 | return 0; |
587 | } |
588 | return -EINVAL; |
589 | } |
590 | |
591 | static struct net_device *dev_eql; |
592 | |
593 | static int __init eql_init_module(void) |
594 | { |
595 | int err; |
596 | |
597 | pr_info("%s\n", version); |
598 | |
599 | dev_eql = alloc_netdev(sizeof(equalizer_t), "eql", eql_setup); |
600 | if (!dev_eql) |
601 | return -ENOMEM; |
602 | |
603 | err = register_netdev(dev_eql); |
604 | if (err) |
605 | free_netdev(dev_eql); |
606 | return err; |
607 | } |
608 | |
609 | static void __exit eql_cleanup_module(void) |
610 | { |
611 | unregister_netdev(dev_eql); |
612 | free_netdev(dev_eql); |
613 | } |
614 | |
615 | module_init(eql_init_module); |
616 | module_exit(eql_cleanup_module); |
617 | MODULE_LICENSE("GPL"); |
618 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9