diff options
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r-- | drivers/net/bonding/bond_main.c | 302 |
1 files changed, 2 insertions, 300 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 7b7ca971672f..68a5ce0a649f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c | |||
@@ -65,8 +65,6 @@ | |||
65 | #include <linux/skbuff.h> | 65 | #include <linux/skbuff.h> |
66 | #include <net/sock.h> | 66 | #include <net/sock.h> |
67 | #include <linux/rtnetlink.h> | 67 | #include <linux/rtnetlink.h> |
68 | #include <linux/proc_fs.h> | ||
69 | #include <linux/seq_file.h> | ||
70 | #include <linux/smp.h> | 68 | #include <linux/smp.h> |
71 | #include <linux/if_ether.h> | 69 | #include <linux/if_ether.h> |
72 | #include <net/arp.h> | 70 | #include <net/arp.h> |
@@ -173,9 +171,6 @@ MODULE_PARM_DESC(resend_igmp, "Number of IGMP membership reports to send on link | |||
173 | atomic_t netpoll_block_tx = ATOMIC_INIT(0); | 171 | atomic_t netpoll_block_tx = ATOMIC_INIT(0); |
174 | #endif | 172 | #endif |
175 | 173 | ||
176 | static const char * const version = | ||
177 | DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"; | ||
178 | |||
179 | int bond_net_id __read_mostly; | 174 | int bond_net_id __read_mostly; |
180 | 175 | ||
181 | static __be32 arp_target[BOND_MAX_ARP_TARGETS]; | 176 | static __be32 arp_target[BOND_MAX_ARP_TARGETS]; |
@@ -245,7 +240,7 @@ static void bond_uninit(struct net_device *bond_dev); | |||
245 | 240 | ||
246 | /*---------------------------- General routines -----------------------------*/ | 241 | /*---------------------------- General routines -----------------------------*/ |
247 | 242 | ||
248 | static const char *bond_mode_name(int mode) | 243 | const char *bond_mode_name(int mode) |
249 | { | 244 | { |
250 | static const char *names[] = { | 245 | static const char *names[] = { |
251 | [BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)", | 246 | [BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)", |
@@ -3288,299 +3283,6 @@ out: | |||
3288 | read_unlock(&bond->lock); | 3283 | read_unlock(&bond->lock); |
3289 | } | 3284 | } |
3290 | 3285 | ||
3291 | /*------------------------------ proc/seq_file-------------------------------*/ | ||
3292 | |||
3293 | #ifdef CONFIG_PROC_FS | ||
3294 | |||
3295 | static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos) | ||
3296 | __acquires(RCU) | ||
3297 | __acquires(&bond->lock) | ||
3298 | { | ||
3299 | struct bonding *bond = seq->private; | ||
3300 | loff_t off = 0; | ||
3301 | struct slave *slave; | ||
3302 | int i; | ||
3303 | |||
3304 | /* make sure the bond won't be taken away */ | ||
3305 | rcu_read_lock(); | ||
3306 | read_lock(&bond->lock); | ||
3307 | |||
3308 | if (*pos == 0) | ||
3309 | return SEQ_START_TOKEN; | ||
3310 | |||
3311 | bond_for_each_slave(bond, slave, i) { | ||
3312 | if (++off == *pos) | ||
3313 | return slave; | ||
3314 | } | ||
3315 | |||
3316 | return NULL; | ||
3317 | } | ||
3318 | |||
3319 | static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos) | ||
3320 | { | ||
3321 | struct bonding *bond = seq->private; | ||
3322 | struct slave *slave = v; | ||
3323 | |||
3324 | ++*pos; | ||
3325 | if (v == SEQ_START_TOKEN) | ||
3326 | return bond->first_slave; | ||
3327 | |||
3328 | slave = slave->next; | ||
3329 | |||
3330 | return (slave == bond->first_slave) ? NULL : slave; | ||
3331 | } | ||
3332 | |||
3333 | static void bond_info_seq_stop(struct seq_file *seq, void *v) | ||
3334 | __releases(&bond->lock) | ||
3335 | __releases(RCU) | ||
3336 | { | ||
3337 | struct bonding *bond = seq->private; | ||
3338 | |||
3339 | read_unlock(&bond->lock); | ||
3340 | rcu_read_unlock(); | ||
3341 | } | ||
3342 | |||
3343 | static void bond_info_show_master(struct seq_file *seq) | ||
3344 | { | ||
3345 | struct bonding *bond = seq->private; | ||
3346 | struct slave *curr; | ||
3347 | int i; | ||
3348 | |||
3349 | read_lock(&bond->curr_slave_lock); | ||
3350 | curr = bond->curr_active_slave; | ||
3351 | read_unlock(&bond->curr_slave_lock); | ||
3352 | |||
3353 | seq_printf(seq, "Bonding Mode: %s", | ||
3354 | bond_mode_name(bond->params.mode)); | ||
3355 | |||
3356 | if (bond->params.mode == BOND_MODE_ACTIVEBACKUP && | ||
3357 | bond->params.fail_over_mac) | ||
3358 | seq_printf(seq, " (fail_over_mac %s)", | ||
3359 | fail_over_mac_tbl[bond->params.fail_over_mac].modename); | ||
3360 | |||
3361 | seq_printf(seq, "\n"); | ||
3362 | |||
3363 | if (bond->params.mode == BOND_MODE_XOR || | ||
3364 | bond->params.mode == BOND_MODE_8023AD) { | ||
3365 | seq_printf(seq, "Transmit Hash Policy: %s (%d)\n", | ||
3366 | xmit_hashtype_tbl[bond->params.xmit_policy].modename, | ||
3367 | bond->params.xmit_policy); | ||
3368 | } | ||
3369 | |||
3370 | if (USES_PRIMARY(bond->params.mode)) { | ||
3371 | seq_printf(seq, "Primary Slave: %s", | ||
3372 | (bond->primary_slave) ? | ||
3373 | bond->primary_slave->dev->name : "None"); | ||
3374 | if (bond->primary_slave) | ||
3375 | seq_printf(seq, " (primary_reselect %s)", | ||
3376 | pri_reselect_tbl[bond->params.primary_reselect].modename); | ||
3377 | |||
3378 | seq_printf(seq, "\nCurrently Active Slave: %s\n", | ||
3379 | (curr) ? curr->dev->name : "None"); | ||
3380 | } | ||
3381 | |||
3382 | seq_printf(seq, "MII Status: %s\n", netif_carrier_ok(bond->dev) ? | ||
3383 | "up" : "down"); | ||
3384 | seq_printf(seq, "MII Polling Interval (ms): %d\n", bond->params.miimon); | ||
3385 | seq_printf(seq, "Up Delay (ms): %d\n", | ||
3386 | bond->params.updelay * bond->params.miimon); | ||
3387 | seq_printf(seq, "Down Delay (ms): %d\n", | ||
3388 | bond->params.downdelay * bond->params.miimon); | ||
3389 | |||
3390 | |||
3391 | /* ARP information */ | ||
3392 | if (bond->params.arp_interval > 0) { | ||
3393 | int printed = 0; | ||
3394 | seq_printf(seq, "ARP Polling Interval (ms): %d\n", | ||
3395 | bond->params.arp_interval); | ||
3396 | |||
3397 | seq_printf(seq, "ARP IP target/s (n.n.n.n form):"); | ||
3398 | |||
3399 | for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) { | ||
3400 | if (!bond->params.arp_targets[i]) | ||
3401 | break; | ||
3402 | if (printed) | ||
3403 | seq_printf(seq, ","); | ||
3404 | seq_printf(seq, " %pI4", &bond->params.arp_targets[i]); | ||
3405 | printed = 1; | ||
3406 | } | ||
3407 | seq_printf(seq, "\n"); | ||
3408 | } | ||
3409 | |||
3410 | if (bond->params.mode == BOND_MODE_8023AD) { | ||
3411 | struct ad_info ad_info; | ||
3412 | |||
3413 | seq_puts(seq, "\n802.3ad info\n"); | ||
3414 | seq_printf(seq, "LACP rate: %s\n", | ||
3415 | (bond->params.lacp_fast) ? "fast" : "slow"); | ||
3416 | seq_printf(seq, "Aggregator selection policy (ad_select): %s\n", | ||
3417 | ad_select_tbl[bond->params.ad_select].modename); | ||
3418 | |||
3419 | if (bond_3ad_get_active_agg_info(bond, &ad_info)) { | ||
3420 | seq_printf(seq, "bond %s has no active aggregator\n", | ||
3421 | bond->dev->name); | ||
3422 | } else { | ||
3423 | seq_printf(seq, "Active Aggregator Info:\n"); | ||
3424 | |||
3425 | seq_printf(seq, "\tAggregator ID: %d\n", | ||
3426 | ad_info.aggregator_id); | ||
3427 | seq_printf(seq, "\tNumber of ports: %d\n", | ||
3428 | ad_info.ports); | ||
3429 | seq_printf(seq, "\tActor Key: %d\n", | ||
3430 | ad_info.actor_key); | ||
3431 | seq_printf(seq, "\tPartner Key: %d\n", | ||
3432 | ad_info.partner_key); | ||
3433 | seq_printf(seq, "\tPartner Mac Address: %pM\n", | ||
3434 | ad_info.partner_system); | ||
3435 | } | ||
3436 | } | ||
3437 | } | ||
3438 | |||
3439 | static void bond_info_show_slave(struct seq_file *seq, | ||
3440 | const struct slave *slave) | ||
3441 | { | ||
3442 | struct bonding *bond = seq->private; | ||
3443 | |||
3444 | seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name); | ||
3445 | seq_printf(seq, "MII Status: %s\n", | ||
3446 | (slave->link == BOND_LINK_UP) ? "up" : "down"); | ||
3447 | seq_printf(seq, "Speed: %d Mbps\n", slave->speed); | ||
3448 | seq_printf(seq, "Duplex: %s\n", slave->duplex ? "full" : "half"); | ||
3449 | seq_printf(seq, "Link Failure Count: %u\n", | ||
3450 | slave->link_failure_count); | ||
3451 | |||
3452 | seq_printf(seq, "Permanent HW addr: %pM\n", slave->perm_hwaddr); | ||
3453 | |||
3454 | if (bond->params.mode == BOND_MODE_8023AD) { | ||
3455 | const struct aggregator *agg | ||
3456 | = SLAVE_AD_INFO(slave).port.aggregator; | ||
3457 | |||
3458 | if (agg) | ||
3459 | seq_printf(seq, "Aggregator ID: %d\n", | ||
3460 | agg->aggregator_identifier); | ||
3461 | else | ||
3462 | seq_puts(seq, "Aggregator ID: N/A\n"); | ||
3463 | } | ||
3464 | seq_printf(seq, "Slave queue ID: %d\n", slave->queue_id); | ||
3465 | } | ||
3466 | |||
3467 | static int bond_info_seq_show(struct seq_file *seq, void *v) | ||
3468 | { | ||
3469 | if (v == SEQ_START_TOKEN) { | ||
3470 | seq_printf(seq, "%s\n", version); | ||
3471 | bond_info_show_master(seq); | ||
3472 | } else | ||
3473 | bond_info_show_slave(seq, v); | ||
3474 | |||
3475 | return 0; | ||
3476 | } | ||
3477 | |||
3478 | static const struct seq_operations bond_info_seq_ops = { | ||
3479 | .start = bond_info_seq_start, | ||
3480 | .next = bond_info_seq_next, | ||
3481 | .stop = bond_info_seq_stop, | ||
3482 | .show = bond_info_seq_show, | ||
3483 | }; | ||
3484 | |||
3485 | static int bond_info_open(struct inode *inode, struct file *file) | ||
3486 | { | ||
3487 | struct seq_file *seq; | ||
3488 | struct proc_dir_entry *proc; | ||
3489 | int res; | ||
3490 | |||
3491 | res = seq_open(file, &bond_info_seq_ops); | ||
3492 | if (!res) { | ||
3493 | /* recover the pointer buried in proc_dir_entry data */ | ||
3494 | seq = file->private_data; | ||
3495 | proc = PDE(inode); | ||
3496 | seq->private = proc->data; | ||
3497 | } | ||
3498 | |||
3499 | return res; | ||
3500 | } | ||
3501 | |||
3502 | static const struct file_operations bond_info_fops = { | ||
3503 | .owner = THIS_MODULE, | ||
3504 | .open = bond_info_open, | ||
3505 | .read = seq_read, | ||
3506 | .llseek = seq_lseek, | ||
3507 | .release = seq_release, | ||
3508 | }; | ||
3509 | |||
3510 | static void bond_create_proc_entry(struct bonding *bond) | ||
3511 | { | ||
3512 | struct net_device *bond_dev = bond->dev; | ||
3513 | struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id); | ||
3514 | |||
3515 | if (bn->proc_dir) { | ||
3516 | bond->proc_entry = proc_create_data(bond_dev->name, | ||
3517 | S_IRUGO, bn->proc_dir, | ||
3518 | &bond_info_fops, bond); | ||
3519 | if (bond->proc_entry == NULL) | ||
3520 | pr_warning("Warning: Cannot create /proc/net/%s/%s\n", | ||
3521 | DRV_NAME, bond_dev->name); | ||
3522 | else | ||
3523 | memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ); | ||
3524 | } | ||
3525 | } | ||
3526 | |||
3527 | static void bond_remove_proc_entry(struct bonding *bond) | ||
3528 | { | ||
3529 | struct net_device *bond_dev = bond->dev; | ||
3530 | struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id); | ||
3531 | |||
3532 | if (bn->proc_dir && bond->proc_entry) { | ||
3533 | remove_proc_entry(bond->proc_file_name, bn->proc_dir); | ||
3534 | memset(bond->proc_file_name, 0, IFNAMSIZ); | ||
3535 | bond->proc_entry = NULL; | ||
3536 | } | ||
3537 | } | ||
3538 | |||
3539 | /* Create the bonding directory under /proc/net, if doesn't exist yet. | ||
3540 | * Caller must hold rtnl_lock. | ||
3541 | */ | ||
3542 | static void __net_init bond_create_proc_dir(struct bond_net *bn) | ||
3543 | { | ||
3544 | if (!bn->proc_dir) { | ||
3545 | bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net); | ||
3546 | if (!bn->proc_dir) | ||
3547 | pr_warning("Warning: cannot create /proc/net/%s\n", | ||
3548 | DRV_NAME); | ||
3549 | } | ||
3550 | } | ||
3551 | |||
3552 | /* Destroy the bonding directory under /proc/net, if empty. | ||
3553 | * Caller must hold rtnl_lock. | ||
3554 | */ | ||
3555 | static void __net_exit bond_destroy_proc_dir(struct bond_net *bn) | ||
3556 | { | ||
3557 | if (bn->proc_dir) { | ||
3558 | remove_proc_entry(DRV_NAME, bn->net->proc_net); | ||
3559 | bn->proc_dir = NULL; | ||
3560 | } | ||
3561 | } | ||
3562 | |||
3563 | #else /* !CONFIG_PROC_FS */ | ||
3564 | |||
3565 | static void bond_create_proc_entry(struct bonding *bond) | ||
3566 | { | ||
3567 | } | ||
3568 | |||
3569 | static void bond_remove_proc_entry(struct bonding *bond) | ||
3570 | { | ||
3571 | } | ||
3572 | |||
3573 | static inline void bond_create_proc_dir(struct bond_net *bn) | ||
3574 | { | ||
3575 | } | ||
3576 | |||
3577 | static inline void bond_destroy_proc_dir(struct bond_net *bn) | ||
3578 | { | ||
3579 | } | ||
3580 | |||
3581 | #endif /* CONFIG_PROC_FS */ | ||
3582 | |||
3583 | |||
3584 | /*-------------------------- netdev event handling --------------------------*/ | 3286 | /*-------------------------- netdev event handling --------------------------*/ |
3585 | 3287 | ||
3586 | /* | 3288 | /* |
@@ -5384,7 +5086,7 @@ static int __init bonding_init(void) | |||
5384 | int i; | 5086 | int i; |
5385 | int res; | 5087 | int res; |
5386 | 5088 | ||
5387 | pr_info("%s", version); | 5089 | pr_info("%s", bond_version); |
5388 | 5090 | ||
5389 | res = bond_check_params(&bonding_defaults); | 5091 | res = bond_check_params(&bonding_defaults); |
5390 | if (res) | 5092 | if (res) |