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net: introduce reciprocal_scale helper and convert users
[linux-2.6-block.git] / drivers / net / bonding / bonding.h
CommitLineData
1da177e4
LT		 1/*
2 * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'.
3 *
4 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
5 * NCM: Network and Communications Management, Inc.
6 *
7 * BUT, I'm the one who modified it for ethernet, so:
8 * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov
9 *
10 * This software may be used and distributed according to the terms
11 * of the GNU Public License, incorporated herein by reference.
12 *
1da177e4
LT		 13 */
14
15#ifndef _LINUX_BONDING_H
16#define _LINUX_BONDING_H
17
18#include <linux/timer.h>
19#include <linux/proc_fs.h>
20#include <linux/if_bonding.h>
e843fa50 21#include <linux/cpumask.h>
305d552a 22#include <linux/in6.h>
8a8efa22 23#include <linux/netpoll.h>
eaddcd76 24#include <linux/inetdevice.h>
567b871e 25#include <linux/etherdevice.h>
1da177e4
LT		 26#include "bond_3ad.h"
27#include "bond_alb.h"
28
ad246c99
BH		 29#define DRV_VERSION "3.7.1"
30#define DRV_RELDATE "April 27, 2011"
1da177e4
LT		 31#define DRV_NAME "bonding"
32#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
33
bd33acc3
AW		 34#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
35
1da177e4
LT		 36#define BOND_MAX_ARP_TARGETS 16
37
fe9d04af 38#define BOND_DEFAULT_MIIMON 100
39
1da177e4
LT		 40#define IS_UP(dev) \
41 ((((dev)->flags & IFF_UP) == IFF_UP) && \
42 netif_running(dev) && \
43 netif_carrier_ok(dev))
44
1da177e4
LT		 45/*
46 * Checks whether slave is ready for transmit.
47 */
48#define SLAVE_IS_OK(slave) \
49 (((slave)->dev->flags & IFF_UP) && \
50 netif_running((slave)->dev) && \
51 ((slave)->link == BOND_LINK_UP) && \
e30bc066 52 bond_is_active_slave(slave))
1da177e4
LT		 53
54
55#define USES_PRIMARY(mode) \
56 (((mode) == BOND_MODE_ACTIVEBACKUP) || \
57 ((mode) == BOND_MODE_TLB) || \
58 ((mode) == BOND_MODE_ALB))
59
fe9d04af 60#define BOND_NO_USES_ARP(mode) \
61 (((mode) == BOND_MODE_8023AD) || \
62 ((mode) == BOND_MODE_TLB) || \
63 ((mode) == BOND_MODE_ALB))
64
bb1d9123
AG		 65#define TX_QUEUE_OVERRIDE(mode) \
66 (((mode) == BOND_MODE_ACTIVEBACKUP) || \
67 ((mode) == BOND_MODE_ROUNDROBIN))
72be35fe
JP		 68
69#define BOND_MODE_IS_LB(mode) \
70 (((mode) == BOND_MODE_TLB) || \
71 ((mode) == BOND_MODE_ALB))
72
f9de11a1
WW		 73#define IS_IP_TARGET_UNUSABLE_ADDRESS(a) \
74 ((htonl(INADDR_BROADCAST) == a) || \
75 ipv4_is_zeronet(a))
1da177e4
LT		 76/*
77 * Less bad way to call ioctl from within the kernel; this needs to be
78 * done some other way to get the call out of interrupt context.
79 * Needs "ioctl" variable to be supplied by calling context.
80 */
81#define IOCTL(dev, arg, cmd) ({ \
82 int res = 0; \
83 mm_segment_t fs = get_fs(); \
84 set_fs(get_ds()); \
85 res = ioctl(dev, arg, cmd); \
86 set_fs(fs); \
87 res; })
88
dec1e90e 89/* slave list primitives */
5a52405a
VF		 90#define bond_slave_list(bond) (&(bond)->dev->adj_list.lower)
91
92#define bond_has_slaves(bond) !list_empty(bond_slave_list(bond))
0965a1f3 93
dec1e90e 94/* IMPORTANT: bond_first/last_slave can return NULL in case of an empty list */
95#define bond_first_slave(bond) \
5a52405a
VF		 96 (bond_has_slaves(bond) ? \
97 netdev_adjacent_get_private(bond_slave_list(bond)->next) : \
98 NULL)
dec1e90e 99#define bond_last_slave(bond) \
5a52405a
VF		 100 (bond_has_slaves(bond) ? \
101 netdev_adjacent_get_private(bond_slave_list(bond)->prev) : \
102 NULL)
dec1e90e 103
e001bfad 104/* Caller must have rcu_read_lock */
105#define bond_first_slave_rcu(bond) \
106 netdev_lower_get_first_private_rcu(bond->dev)
107
5a52405a
VF		 108#define bond_is_first_slave(bond, pos) (pos == bond_first_slave(bond))
109#define bond_is_last_slave(bond, pos) (pos == bond_last_slave(bond))
dec1e90e 110
1da177e4 111/**
dec1e90e 112 * bond_for_each_slave - iterate over all slaves
113 * @bond: the bond holding this list
114 * @pos: current slave
9caff1e7 115 * @iter: list_head * iterator
1da177e4
LT		 116 *
117 * Caller must hold bond->lock
118 */
9caff1e7
VF		 119#define bond_for_each_slave(bond, pos, iter) \
120 netdev_for_each_lower_private((bond)->dev, pos, iter)
1da177e4 121
278b2083 122/* Caller must have rcu_read_lock */
9caff1e7
VF		 123#define bond_for_each_slave_rcu(bond, pos, iter) \
124 netdev_for_each_lower_private_rcu((bond)->dev, pos, iter)
278b2083 125
e843fa50 126#ifdef CONFIG_NET_POLL_CONTROLLER
fb4fa76a 127extern atomic_t netpoll_block_tx;
e843fa50
NH		 128
129static inline void block_netpoll_tx(void)
130{
fb4fa76a 131 atomic_inc(&netpoll_block_tx);
e843fa50
NH		 132}
133
134static inline void unblock_netpoll_tx(void)
135{
fb4fa76a 136 atomic_dec(&netpoll_block_tx);
e843fa50
NH		 137}
138
139static inline int is_netpoll_tx_blocked(struct net_device *dev)
140{
080e4130 141 if (unlikely(netpoll_tx_running(dev)))
fb4fa76a 142 return atomic_read(&netpoll_block_tx);
e843fa50
NH		 143 return 0;
144}
145#else
146#define block_netpoll_tx()
147#define unblock_netpoll_tx()
148#define is_netpoll_tx_blocked(dev) (0)
149#endif
150
1da177e4
LT		 151struct bond_params {
152 int mode;
169a3e66 153 int xmit_policy;
1da177e4 154 int miimon;
ad246c99 155 u8 num_peer_notif;
1da177e4 156 int arp_interval;
f5b2b966 157 int arp_validate;
8599b52e 158 int arp_all_targets;
1da177e4 159 int use_carrier;
dd957c57 160 int fail_over_mac;
1da177e4
LT		 161 int updelay;
162 int downdelay;
163 int lacp_fast;
655f8919 164 unsigned int min_links;
fd989c83 165 int ad_select;
1da177e4 166 char primary[IFNAMSIZ];
a549952a 167 int primary_reselect;
d3bb52b0 168 __be32 arp_targets[BOND_MAX_ARP_TARGETS];
bb1d9123 169 int tx_queues;
ebd8e497 170 int all_slaves_active;
c2952c31 171 int resend_igmp;
7eacd038 172 int lp_interval;
73958329 173 int packets_per_slave;
1da177e4
LT		 174};
175
12479f9a
MW		 176struct bond_parm_tbl {
177 char *modename;
178 int mode;
179};
180
ece95f7f
JV		 181#define BOND_MAX_MODENAME_LEN 20
182
1da177e4 183struct slave {
e944ef79 184 struct net_device *dev; /* first - useful for panic debug */
35d48903 185 struct bonding *bond; /* our master */
8bb5f96b 186 int delay;
f8a8ccd5
AG		 187 unsigned long jiffies;
188 unsigned long last_arp_rx;
8599b52e 189 unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS];
1da177e4 190 s8 link; /* one of BOND_LINK_XXXX */
b2220cad 191 s8 new_link;
2d7011ca
JP		 192 u8 backup:1, /* indicates backup slave. Value corresponds with
193 BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
194 inactive:1; /* indicates inactive slave */
5d30530e 195 u8 duplex;
3158bf7d 196 u32 original_mtu;
1da177e4 197 u32 link_failure_count;
5d30530e 198 u32 speed;
bb1d9123 199 u16 queue_id;
5d30530e 200 u8 perm_hwaddr[ETH_ALEN];
1da177e4
LT		 201 struct ad_slave_info ad_info; /* HUGE - better to dynamically alloc */
202 struct tlb_slave_info tlb_info;
8a8efa22
AW		 203#ifdef CONFIG_NET_POLL_CONTROLLER
204 struct netpoll *np;
205#endif
07699f9a 206 struct kobject kobj;
1da177e4
LT		 207};
208
b2220cad
JV		 209/*
210 * Link pseudo-state only used internally by monitors
211 */
212#define BOND_LINK_NOCHANGE -1
213
1da177e4
LT		 214/*
215 * Here are the locking policies for the two bonding locks:
216 *
217 * 1) Get bond->lock when reading/writing slave list.
218 * 2) Get bond->curr_slave_lock when reading/writing bond->curr_active_slave.
219 * (It is unnecessary when the write-lock is put with bond->lock.)
220 * 3) When we lock with bond->curr_slave_lock, we must lock with bond->lock
221 * beforehand.
222 */
223struct bonding {
e944ef79 224 struct net_device *dev; /* first - useful for panic debug */
1da177e4
LT		 225 struct slave *curr_active_slave;
226 struct slave *current_arp_slave;
227 struct slave *primary_slave;
a549952a 228 bool force_primary;
1da177e4 229 s32 slave_cnt; /* never change this value outside the attach/detach wrappers */
de063b70
ED		 230 int (*recv_probe)(const struct sk_buff *, struct bonding *,
231 struct slave *);
1da177e4
LT		 232 rwlock_t lock;
233 rwlock_t curr_slave_lock;
ad246c99 234 u8 send_peer_notif;
4f5474e7 235 u8 igmp_retrans;
1da177e4
LT		 236#ifdef CONFIG_PROC_FS
237 struct proc_dir_entry *proc_entry;
238 char proc_file_name[IFNAMSIZ];
239#endif /* CONFIG_PROC_FS */
240 struct list_head bond_list;
73958329 241 u32 rr_tx_counter;
1da177e4
LT		 242 struct ad_bond_info ad_info;
243 struct alb_bond_info alb_info;
244 struct bond_params params;
1b76b316
JV		 245 struct workqueue_struct *wq;
246 struct delayed_work mii_work;
247 struct delayed_work arp_work;
248 struct delayed_work alb_work;
249 struct delayed_work ad_work;
5a37e8ca 250 struct delayed_work mcast_work;
f073c7ca 251#ifdef CONFIG_DEBUG_FS
02582e9b 252 /* debugging support via debugfs */
f073c7ca
TI		 253 struct dentry *debug_dir;
254#endif /* CONFIG_DEBUG_FS */
1da177e4
LT		 255};
256
f1c1775a
JP		 257#define bond_slave_get_rcu(dev) \
258 ((struct slave *) rcu_dereference(dev->rx_handler_data))
259
471cb5a3
JP		 260#define bond_slave_get_rtnl(dev) \
261 ((struct slave *) rtnl_dereference(dev->rx_handler_data))
262
1da177e4
LT		 263/**
264 * Returns NULL if the net_device does not belong to any of the bond's slaves
265 *
266 * Caller must hold bond lock for read
267 */
4ec952b8 268static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
269 struct net_device *slave_dev)
1da177e4 270{
46bb4807 271 return netdev_lower_dev_get_private(bond->dev, slave_dev);
1da177e4
LT		 272}
273
cceb904f 274static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
1da177e4 275{
471cb5a3 276 if (!slave || !slave->bond)
1da177e4 277 return NULL;
471cb5a3 278 return slave->bond;
1da177e4
LT		 279}
280
58402054
HE		 281static inline bool bond_is_lb(const struct bonding *bond)
282{
72be35fe 283 return BOND_MODE_IS_LB(bond->params.mode);
58402054
HE		 284}
285
e30bc066
JP		 286static inline void bond_set_active_slave(struct slave *slave)
287{
1d3ee88a 288 if (slave->backup) {
289 slave->backup = 0;
290 rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL);
291 }
e30bc066
JP		 292}
293
294static inline void bond_set_backup_slave(struct slave *slave)
295{
1d3ee88a 296 if (!slave->backup) {
297 slave->backup = 1;
298 rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL);
299 }
e30bc066
JP		 300}
301
302static inline int bond_slave_state(struct slave *slave)
303{
304 return slave->backup;
305}
306
307static inline bool bond_is_active_slave(struct slave *slave)
308{
309 return !bond_slave_state(slave);
310}
311
a549952a
JP		 312#define BOND_PRI_RESELECT_ALWAYS 0
313#define BOND_PRI_RESELECT_BETTER 1
314#define BOND_PRI_RESELECT_FAILURE 2
315
3915c1e8
JV		 316#define BOND_FOM_NONE 0
317#define BOND_FOM_ACTIVE 1
318#define BOND_FOM_FOLLOW 2
319
8599b52e
VF		 320#define BOND_ARP_TARGETS_ANY 0
321#define BOND_ARP_TARGETS_ALL 1
322
f5b2b966
JV		 323#define BOND_ARP_VALIDATE_NONE 0
324#define BOND_ARP_VALIDATE_ACTIVE (1 << BOND_STATE_ACTIVE)
325#define BOND_ARP_VALIDATE_BACKUP (1 << BOND_STATE_BACKUP)
326#define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \
327 BOND_ARP_VALIDATE_BACKUP)
328
079ca7da
AB		 329static inline int slave_do_arp_validate(struct bonding *bond,
330 struct slave *slave)
f5b2b966 331{
e30bc066 332 return bond->params.arp_validate & (1 << bond_slave_state(slave));
f5b2b966
JV		 333}
334
8599b52e
VF		 335/* Get the oldest arp which we've received on this slave for bond's
336 * arp_targets.
337 */
338static inline unsigned long slave_oldest_target_arp_rx(struct bonding *bond,
339 struct slave *slave)
340{
341 int i = 1;
342 unsigned long ret = slave->target_last_arp_rx[0];
343
344 for (; (i < BOND_MAX_ARP_TARGETS) && bond->params.arp_targets[i]; i++)
345 if (time_before(slave->target_last_arp_rx[i], ret))
346 ret = slave->target_last_arp_rx[i];
347
348 return ret;
349}
350
079ca7da 351static inline unsigned long slave_last_rx(struct bonding *bond,
f8a8ccd5 352 struct slave *slave)
f5b2b966 353{
8599b52e
VF		 354 if (slave_do_arp_validate(bond, slave)) {
355 if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL)
356 return slave_oldest_target_arp_rx(bond, slave);
357 else
358 return slave->last_arp_rx;
359 }
f5b2b966
JV		 360
361 return slave->dev->last_rx;
362}
363
8a8efa22
AW		 364#ifdef CONFIG_NET_POLL_CONTROLLER
365static inline void bond_netpoll_send_skb(const struct slave *slave,
366 struct sk_buff *skb)
367{
368 struct netpoll *np = slave->np;
369
370 if (np)
371 netpoll_send_skb(np, skb);
372}
373#else
374static inline void bond_netpoll_send_skb(const struct slave *slave,
375 struct sk_buff *skb)
376{
377}
378#endif
379
cceb904f 380static inline void bond_set_slave_inactive_flags(struct slave *slave)
1da177e4 381{
471cb5a3 382 if (!bond_is_lb(slave->bond))
e30bc066 383 bond_set_backup_slave(slave);
471cb5a3 384 if (!slave->bond->params.all_slaves_active)
2d7011ca 385 slave->inactive = 1;
1da177e4
LT		 386}
387
cceb904f 388static inline void bond_set_slave_active_flags(struct slave *slave)
1da177e4 389{
e30bc066 390 bond_set_active_slave(slave);
2d7011ca
JP		 391 slave->inactive = 0;
392}
393
394static inline bool bond_is_slave_inactive(struct slave *slave)
395{
396 return slave->inactive;
1da177e4
LT		 397}
398
eaddcd76
AG		 399static inline __be32 bond_confirm_addr(struct net_device *dev, __be32 dst, __be32 local)
400{
401 struct in_device *in_dev;
402 __be32 addr = 0;
403
404 rcu_read_lock();
405 in_dev = __in_dev_get_rcu(dev);
406
407 if (in_dev)
b601fa19
ND		 408 addr = inet_confirm_addr(dev_net(dev), in_dev, dst, local,
409 RT_SCOPE_HOST);
eaddcd76
AG		 410 rcu_read_unlock();
411 return addr;
412}
413
15077228
NA		 414static inline bool slave_can_tx(struct slave *slave)
415{
416 if (IS_UP(slave->dev) && slave->link == BOND_LINK_UP &&
417 bond_is_active_slave(slave))
418 return true;
419 else
420 return false;
421}
422
4c22400a
EB		 423struct bond_net;
424
5bb9e0b5 425int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
d316dedd 426void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
ec87fd3b 427int bond_create(struct net *net, const char *name);
4c22400a
EB		 428int bond_create_sysfs(struct bond_net *net);
429void bond_destroy_sysfs(struct bond_net *net);
6151b3d4 430void bond_prepare_sysfs_group(struct bonding *bond);
07699f9a 431int bond_sysfs_slave_add(struct slave *slave);
432void bond_sysfs_slave_del(struct slave *slave);
a77b5325
MW		 433int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
434int bond_release(struct net_device *bond_dev, struct net_device *slave_dev);
1d3ee88a 435int bond_get_slave(struct net_device *slave_dev, struct sk_buff *skb);
32819dc1 436int bond_xmit_hash(struct bonding *bond, struct sk_buff *skb, int count);
325dcf7a 437int bond_parse_parm(const char *mode_arg, const struct bond_parm_tbl *tbl);
ec029fac 438int bond_parm_tbl_lookup(int mode, const struct bond_parm_tbl *tbl);
a77b5325
MW		 439void bond_select_active_slave(struct bonding *bond);
440void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
f073c7ca
TI		 441void bond_create_debugfs(void);
442void bond_destroy_debugfs(void);
443void bond_debug_register(struct bonding *bond);
444void bond_debug_unregister(struct bonding *bond);
445void bond_debug_reregister(struct bonding *bond);
d30ee670 446const char *bond_mode_name(int mode);
0a2a78c4
JP		 447void bond_setup(struct net_device *bond_dev);
448unsigned int bond_get_num_tx_queues(void);
449int bond_netlink_init(void);
450void bond_netlink_fini(void);
72be35fe 451int bond_option_mode_set(struct bonding *bond, int mode);
d9e32b21 452int bond_option_active_slave_set(struct bonding *bond, struct net_device *slave_dev);
eecdaa6e 453int bond_option_miimon_set(struct bonding *bond, int miimon);
25852e29 454int bond_option_updelay_set(struct bonding *bond, int updelay);
c7461f9b 455int bond_option_downdelay_set(struct bonding *bond, int downdelay);
9f53e14e 456int bond_option_use_carrier_set(struct bonding *bond, int use_carrier);
06151dbc 457int bond_option_arp_interval_set(struct bonding *bond, int arp_interval);
7f28fa10 458int bond_option_arp_ip_targets_set(struct bonding *bond, __be32 *targets,
459 int count);
460int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target);
461int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target);
29c49482 462int bond_option_arp_validate_set(struct bonding *bond, int arp_validate);
d5c84254 463int bond_option_arp_all_targets_set(struct bonding *bond, int arp_all_targets);
0a98a0d1 464int bond_option_primary_set(struct bonding *bond, const char *primary);
8a41ae44 465int bond_option_primary_reselect_set(struct bonding *bond,
466 int primary_reselect);
89901972 467int bond_option_fail_over_mac_set(struct bonding *bond, int fail_over_mac);
f70161c6 468int bond_option_xmit_hash_policy_set(struct bonding *bond,
469 int xmit_hash_policy);
d8838de7 470int bond_option_resend_igmp_set(struct bonding *bond, int resend_igmp);
2c9839c1 471int bond_option_num_peer_notif_set(struct bonding *bond, int num_peer_notif);
1cc0b1e3 472int bond_option_all_slaves_active_set(struct bonding *bond,
473 int all_slaves_active);
7d101008 474int bond_option_min_links_set(struct bonding *bond, int min_links);
8d836d09 475int bond_option_lp_interval_set(struct bonding *bond, int min_links);
c13ab3ff 476int bond_option_packets_per_slave_set(struct bonding *bond,
477 int packets_per_slave);
998e40bb 478int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate);
ec029fac 479int bond_option_ad_select_set(struct bonding *bond, int ad_select);
752d48b5
JP		 480struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
481struct net_device *bond_option_active_slave_get(struct bonding *bond);
07699f9a 482const char *bond_slave_link_status(s8 link);
1da177e4 483
ec87fd3b
EB		 484struct bond_net {
485 struct net * net; /* Associated network namespace */
486 struct list_head dev_list;
487#ifdef CONFIG_PROC_FS
488 struct proc_dir_entry * proc_dir;
489#endif
4c22400a 490 struct class_attribute class_attr_bonding_masters;
ec87fd3b
EB		 491};
492
bd33acc3
AW		 493#ifdef CONFIG_PROC_FS
494void bond_create_proc_entry(struct bonding *bond);
495void bond_remove_proc_entry(struct bonding *bond);
496void bond_create_proc_dir(struct bond_net *bn);
497void bond_destroy_proc_dir(struct bond_net *bn);
498#else
499static inline void bond_create_proc_entry(struct bonding *bond)
500{
501}
502
503static inline void bond_remove_proc_entry(struct bonding *bond)
504{
505}
506
507static inline void bond_create_proc_dir(struct bond_net *bn)
508{
509}
510
511static inline void bond_destroy_proc_dir(struct bond_net *bn)
512{
513}
514#endif
515
567b871e 516static inline struct slave *bond_slave_has_mac(struct bonding *bond,
517 const u8 *mac)
518{
9caff1e7 519 struct list_head *iter;
567b871e 520 struct slave *tmp;
521
9caff1e7 522 bond_for_each_slave(bond, tmp, iter)
567b871e 523 if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))
524 return tmp;
525
526 return NULL;
527}
bd33acc3 528
28c71926 529/* Caller must hold rcu_read_lock() for read */
530static inline struct slave *bond_slave_has_mac_rcu(struct bonding *bond,
531 const u8 *mac)
532{
533 struct list_head *iter;
534 struct slave *tmp;
535
536 bond_for_each_slave_rcu(bond, tmp, iter)
537 if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))
538 return tmp;
539
540 return NULL;
541}
542
87a7b84b
VF		 543/* Check if the ip is present in arp ip list, or first free slot if ip == 0
544 * Returns -1 if not found, index if found
545 */
546static inline int bond_get_targets_ip(__be32 *targets, __be32 ip)
547{
548 int i;
549
550 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++)
551 if (targets[i] == ip)
552 return i;
553 else if (targets[i] == 0)
554 break;
555
556 return -1;
557}
558
b2259672 559/* exported from bond_main.c */
ec87fd3b 560extern int bond_net_id;
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HE		 561extern const struct bond_parm_tbl bond_lacp_tbl[];
562extern const struct bond_parm_tbl bond_mode_tbl[];
563extern const struct bond_parm_tbl xmit_hashtype_tbl[];
564extern const struct bond_parm_tbl arp_validate_tbl[];
8599b52e 565extern const struct bond_parm_tbl arp_all_targets_tbl[];
e97fd7c6 566extern const struct bond_parm_tbl fail_over_mac_tbl[];
a549952a 567extern const struct bond_parm_tbl pri_reselect_tbl[];
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HE		 568extern struct bond_parm_tbl ad_select_tbl[];
569
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JP		 570/* exported from bond_netlink.c */
571extern struct rtnl_link_ops bond_link_ops;
572
1da177e4 573#endif /* _LINUX_BONDING_H */
Linux 6.x block layer and io_uring tree(s)