Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 21 | #include <linux/kobject.h> |
Neil Horman | e843fa5 | 2010-10-13 16:01:50 +0000 | [diff] [blame] | 22 | #include <linux/cpumask.h> |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 23 | #include <linux/in6.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "bond_3ad.h" |
| 25 | #include "bond_alb.h" |
| 26 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 27 | #define DRV_VERSION "3.7.0" |
| 28 | #define DRV_RELDATE "June 2, 2010" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #define DRV_NAME "bonding" |
| 30 | #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" |
| 31 | |
| 32 | #define BOND_MAX_ARP_TARGETS 16 |
| 33 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #define IS_UP(dev) \ |
| 35 | ((((dev)->flags & IFF_UP) == IFF_UP) && \ |
| 36 | netif_running(dev) && \ |
| 37 | netif_carrier_ok(dev)) |
| 38 | |
| 39 | /* |
| 40 | * Checks whether bond is ready for transmit. |
| 41 | * |
| 42 | * Caller must hold bond->lock |
| 43 | */ |
| 44 | #define BOND_IS_OK(bond) \ |
| 45 | (((bond)->dev->flags & IFF_UP) && \ |
| 46 | netif_running((bond)->dev) && \ |
| 47 | ((bond)->slave_cnt > 0)) |
| 48 | |
| 49 | /* |
| 50 | * Checks whether slave is ready for transmit. |
| 51 | */ |
| 52 | #define SLAVE_IS_OK(slave) \ |
| 53 | (((slave)->dev->flags & IFF_UP) && \ |
| 54 | netif_running((slave)->dev) && \ |
| 55 | ((slave)->link == BOND_LINK_UP) && \ |
| 56 | ((slave)->state == BOND_STATE_ACTIVE)) |
| 57 | |
| 58 | |
| 59 | #define USES_PRIMARY(mode) \ |
| 60 | (((mode) == BOND_MODE_ACTIVEBACKUP) || \ |
| 61 | ((mode) == BOND_MODE_TLB) || \ |
| 62 | ((mode) == BOND_MODE_ALB)) |
| 63 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 64 | #define TX_QUEUE_OVERRIDE(mode) \ |
| 65 | (((mode) == BOND_MODE_ACTIVEBACKUP) || \ |
| 66 | ((mode) == BOND_MODE_ROUNDROBIN)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | /* |
| 68 | * Less bad way to call ioctl from within the kernel; this needs to be |
| 69 | * done some other way to get the call out of interrupt context. |
| 70 | * Needs "ioctl" variable to be supplied by calling context. |
| 71 | */ |
| 72 | #define IOCTL(dev, arg, cmd) ({ \ |
| 73 | int res = 0; \ |
| 74 | mm_segment_t fs = get_fs(); \ |
| 75 | set_fs(get_ds()); \ |
| 76 | res = ioctl(dev, arg, cmd); \ |
| 77 | set_fs(fs); \ |
| 78 | res; }) |
| 79 | |
| 80 | /** |
| 81 | * bond_for_each_slave_from - iterate the slaves list from a starting point |
| 82 | * @bond: the bond holding this list. |
| 83 | * @pos: current slave. |
| 84 | * @cnt: counter for max number of moves |
| 85 | * @start: starting point. |
| 86 | * |
| 87 | * Caller must hold bond->lock |
| 88 | */ |
| 89 | #define bond_for_each_slave_from(bond, pos, cnt, start) \ |
| 90 | for (cnt = 0, pos = start; \ |
| 91 | cnt < (bond)->slave_cnt; \ |
| 92 | cnt++, pos = (pos)->next) |
| 93 | |
| 94 | /** |
| 95 | * bond_for_each_slave_from_to - iterate the slaves list from start point to stop point |
| 96 | * @bond: the bond holding this list. |
| 97 | * @pos: current slave. |
| 98 | * @cnt: counter for number max of moves |
| 99 | * @start: start point. |
| 100 | * @stop: stop point. |
| 101 | * |
| 102 | * Caller must hold bond->lock |
| 103 | */ |
| 104 | #define bond_for_each_slave_from_to(bond, pos, cnt, start, stop) \ |
| 105 | for (cnt = 0, pos = start; \ |
| 106 | ((cnt < (bond)->slave_cnt) && (pos != (stop)->next)); \ |
| 107 | cnt++, pos = (pos)->next) |
| 108 | |
| 109 | /** |
| 110 | * bond_for_each_slave - iterate the slaves list from head |
| 111 | * @bond: the bond holding this list. |
| 112 | * @pos: current slave. |
| 113 | * @cnt: counter for max number of moves |
| 114 | * |
| 115 | * Caller must hold bond->lock |
| 116 | */ |
| 117 | #define bond_for_each_slave(bond, pos, cnt) \ |
| 118 | bond_for_each_slave_from(bond, pos, cnt, (bond)->first_slave) |
| 119 | |
| 120 | |
Neil Horman | e843fa5 | 2010-10-13 16:01:50 +0000 | [diff] [blame] | 121 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 122 | extern cpumask_var_t netpoll_block_tx; |
| 123 | |
| 124 | static inline void block_netpoll_tx(void) |
| 125 | { |
| 126 | preempt_disable(); |
| 127 | BUG_ON(cpumask_test_and_set_cpu(smp_processor_id(), |
| 128 | netpoll_block_tx)); |
| 129 | } |
| 130 | |
| 131 | static inline void unblock_netpoll_tx(void) |
| 132 | { |
| 133 | BUG_ON(!cpumask_test_and_clear_cpu(smp_processor_id(), |
| 134 | netpoll_block_tx)); |
| 135 | preempt_enable(); |
| 136 | } |
| 137 | |
| 138 | static inline int is_netpoll_tx_blocked(struct net_device *dev) |
| 139 | { |
| 140 | if (unlikely(dev->priv_flags & IFF_IN_NETPOLL)) |
| 141 | return cpumask_test_cpu(smp_processor_id(), netpoll_block_tx); |
| 142 | return 0; |
| 143 | } |
| 144 | #else |
| 145 | #define block_netpoll_tx() |
| 146 | #define unblock_netpoll_tx() |
| 147 | #define is_netpoll_tx_blocked(dev) (0) |
| 148 | #endif |
| 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | struct bond_params { |
| 151 | int mode; |
Jay Vosburgh | 169a3e6 | 2005-06-26 17:54:11 -0400 | [diff] [blame] | 152 | int xmit_policy; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | int miimon; |
Moni Shoua | 7893b24 | 2008-05-17 21:10:12 -0700 | [diff] [blame] | 154 | int num_grat_arp; |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 155 | int num_unsol_na; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | int arp_interval; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 157 | int arp_validate; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | int use_carrier; |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 159 | int fail_over_mac; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | int updelay; |
| 161 | int downdelay; |
| 162 | int lacp_fast; |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 163 | int ad_select; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | char primary[IFNAMSIZ]; |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 165 | int primary_reselect; |
Al Viro | d3bb52b | 2007-08-22 20:06:58 -0400 | [diff] [blame] | 166 | __be32 arp_targets[BOND_MAX_ARP_TARGETS]; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 167 | int tx_queues; |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 168 | int all_slaves_active; |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 169 | int resend_igmp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | }; |
| 171 | |
Mitch Williams | 12479f9 | 2005-11-09 10:35:44 -0800 | [diff] [blame] | 172 | struct bond_parm_tbl { |
| 173 | char *modename; |
| 174 | int mode; |
| 175 | }; |
| 176 | |
Jay Vosburgh | ece95f7 | 2008-01-17 16:25:01 -0800 | [diff] [blame] | 177 | #define BOND_MAX_MODENAME_LEN 20 |
| 178 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | struct vlan_entry { |
| 180 | struct list_head vlan_list; |
Al Viro | d3bb52b | 2007-08-22 20:06:58 -0400 | [diff] [blame] | 181 | __be32 vlan_ip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | unsigned short vlan_id; |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 183 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 184 | struct in6_addr vlan_ipv6; |
| 185 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | }; |
| 187 | |
| 188 | struct slave { |
Mitch Williams | e944ef7 | 2005-11-09 10:36:50 -0800 | [diff] [blame] | 189 | struct net_device *dev; /* first - useful for panic debug */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | struct slave *next; |
| 191 | struct slave *prev; |
Jay Vosburgh | 8bb5f96 | 2006-09-22 21:52:51 -0700 | [diff] [blame] | 192 | int delay; |
Andy Gospodarek | f8a8ccd | 2007-01-29 12:08:38 -0800 | [diff] [blame] | 193 | unsigned long jiffies; |
| 194 | unsigned long last_arp_rx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | s8 link; /* one of BOND_LINK_XXXX */ |
Jay Vosburgh | b2220ca | 2008-05-17 21:10:13 -0700 | [diff] [blame] | 196 | s8 new_link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | s8 state; /* one of BOND_STATE_XXXX */ |
Moni Shoua | 3158bf7 | 2007-10-09 19:43:41 -0700 | [diff] [blame] | 198 | u32 original_mtu; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | u32 link_failure_count; |
Eric Dumazet | 885a136 | 2009-09-01 06:31:18 +0000 | [diff] [blame] | 200 | u8 perm_hwaddr[ETH_ALEN]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | u16 speed; |
| 202 | u8 duplex; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 203 | u16 queue_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | struct ad_slave_info ad_info; /* HUGE - better to dynamically alloc */ |
| 205 | struct tlb_slave_info tlb_info; |
| 206 | }; |
| 207 | |
| 208 | /* |
Jay Vosburgh | b2220ca | 2008-05-17 21:10:13 -0700 | [diff] [blame] | 209 | * Link pseudo-state only used internally by monitors |
| 210 | */ |
| 211 | #define BOND_LINK_NOCHANGE -1 |
| 212 | |
| 213 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | * Here are the locking policies for the two bonding locks: |
| 215 | * |
| 216 | * 1) Get bond->lock when reading/writing slave list. |
| 217 | * 2) Get bond->curr_slave_lock when reading/writing bond->curr_active_slave. |
| 218 | * (It is unnecessary when the write-lock is put with bond->lock.) |
| 219 | * 3) When we lock with bond->curr_slave_lock, we must lock with bond->lock |
| 220 | * beforehand. |
| 221 | */ |
| 222 | struct bonding { |
Mitch Williams | e944ef7 | 2005-11-09 10:36:50 -0800 | [diff] [blame] | 223 | struct net_device *dev; /* first - useful for panic debug */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | struct slave *first_slave; |
| 225 | struct slave *curr_active_slave; |
| 226 | struct slave *current_arp_slave; |
| 227 | struct slave *primary_slave; |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 228 | bool force_primary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | s32 slave_cnt; /* never change this value outside the attach/detach wrappers */ |
| 230 | rwlock_t lock; |
| 231 | rwlock_t curr_slave_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | s8 kill_timers; |
Moni Shoua | 1053f62 | 2007-10-09 19:43:42 -0700 | [diff] [blame] | 233 | s8 send_grat_arp; |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 234 | s8 send_unsol_na; |
Moni Shoua | d90a162 | 2007-10-09 19:43:43 -0700 | [diff] [blame] | 235 | s8 setup_by_slave; |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 236 | s8 igmp_retrans; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | #ifdef CONFIG_PROC_FS |
| 238 | struct proc_dir_entry *proc_entry; |
| 239 | char proc_file_name[IFNAMSIZ]; |
| 240 | #endif /* CONFIG_PROC_FS */ |
| 241 | struct list_head bond_list; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 242 | struct netdev_hw_addr_list mc_list; |
Jasper Spaans | a361c83 | 2009-10-23 04:09:24 +0000 | [diff] [blame] | 243 | int (*xmit_hash_policy)(struct sk_buff *, int); |
Al Viro | d3bb52b | 2007-08-22 20:06:58 -0400 | [diff] [blame] | 244 | __be32 master_ip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | u16 flags; |
Jay Vosburgh | cf5f904 | 2007-10-17 17:37:47 -0700 | [diff] [blame] | 246 | u16 rr_tx_counter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | struct ad_bond_info ad_info; |
| 248 | struct alb_bond_info alb_info; |
| 249 | struct bond_params params; |
| 250 | struct list_head vlan_list; |
| 251 | struct vlan_group *vlgrp; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 252 | struct packet_type arp_mon_pt; |
Jay Vosburgh | 1b76b31 | 2007-10-17 17:37:45 -0700 | [diff] [blame] | 253 | struct workqueue_struct *wq; |
| 254 | struct delayed_work mii_work; |
| 255 | struct delayed_work arp_work; |
| 256 | struct delayed_work alb_work; |
| 257 | struct delayed_work ad_work; |
Flavio Leitner | 5a37e8c | 2010-10-05 14:23:57 +0000 | [diff] [blame] | 258 | struct delayed_work mcast_work; |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 259 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 260 | struct in6_addr master_ipv6; |
| 261 | #endif |
Taku Izumi | f073c7c | 2010-12-09 15:17:13 +0000 | [diff] [blame^] | 262 | #ifdef CONFIG_DEBUG_FS |
| 263 | /* debugging suport via debugfs */ |
| 264 | struct dentry *debug_dir; |
| 265 | #endif /* CONFIG_DEBUG_FS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | }; |
| 267 | |
| 268 | /** |
| 269 | * Returns NULL if the net_device does not belong to any of the bond's slaves |
| 270 | * |
| 271 | * Caller must hold bond lock for read |
| 272 | */ |
Adrian Bunk | cceb904 | 2006-01-05 22:45:42 -0800 | [diff] [blame] | 273 | static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | { |
| 275 | struct slave *slave = NULL; |
| 276 | int i; |
| 277 | |
| 278 | bond_for_each_slave(bond, slave, i) { |
| 279 | if (slave->dev == slave_dev) { |
| 280 | break; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | return slave; |
| 285 | } |
| 286 | |
Adrian Bunk | cceb904 | 2006-01-05 22:45:42 -0800 | [diff] [blame] | 287 | static inline struct bonding *bond_get_bond_by_slave(struct slave *slave) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | { |
| 289 | if (!slave || !slave->dev->master) { |
| 290 | return NULL; |
| 291 | } |
| 292 | |
Joe Perches | c04914a | 2010-11-15 11:12:25 +0000 | [diff] [blame] | 293 | return netdev_priv(slave->dev->master); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | } |
| 295 | |
Holger Eitzenberger | 5840205 | 2008-12-09 23:07:13 -0800 | [diff] [blame] | 296 | static inline bool bond_is_lb(const struct bonding *bond) |
| 297 | { |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 298 | return (bond->params.mode == BOND_MODE_TLB || |
| 299 | bond->params.mode == BOND_MODE_ALB); |
Holger Eitzenberger | 5840205 | 2008-12-09 23:07:13 -0800 | [diff] [blame] | 300 | } |
| 301 | |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 302 | #define BOND_PRI_RESELECT_ALWAYS 0 |
| 303 | #define BOND_PRI_RESELECT_BETTER 1 |
| 304 | #define BOND_PRI_RESELECT_FAILURE 2 |
| 305 | |
Jay Vosburgh | 3915c1e | 2008-05-17 21:10:14 -0700 | [diff] [blame] | 306 | #define BOND_FOM_NONE 0 |
| 307 | #define BOND_FOM_ACTIVE 1 |
| 308 | #define BOND_FOM_FOLLOW 2 |
| 309 | |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 310 | #define BOND_ARP_VALIDATE_NONE 0 |
| 311 | #define BOND_ARP_VALIDATE_ACTIVE (1 << BOND_STATE_ACTIVE) |
| 312 | #define BOND_ARP_VALIDATE_BACKUP (1 << BOND_STATE_BACKUP) |
| 313 | #define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \ |
| 314 | BOND_ARP_VALIDATE_BACKUP) |
| 315 | |
Adrian Bunk | 079ca7d | 2006-12-12 17:24:39 +0100 | [diff] [blame] | 316 | static inline int slave_do_arp_validate(struct bonding *bond, |
| 317 | struct slave *slave) |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 318 | { |
| 319 | return bond->params.arp_validate & (1 << slave->state); |
| 320 | } |
| 321 | |
Adrian Bunk | 079ca7d | 2006-12-12 17:24:39 +0100 | [diff] [blame] | 322 | static inline unsigned long slave_last_rx(struct bonding *bond, |
Andy Gospodarek | f8a8ccd | 2007-01-29 12:08:38 -0800 | [diff] [blame] | 323 | struct slave *slave) |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 324 | { |
| 325 | if (slave_do_arp_validate(bond, slave)) |
| 326 | return slave->last_arp_rx; |
| 327 | |
| 328 | return slave->dev->last_rx; |
| 329 | } |
| 330 | |
Adrian Bunk | cceb904 | 2006-01-05 22:45:42 -0800 | [diff] [blame] | 331 | static inline void bond_set_slave_inactive_flags(struct slave *slave) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | { |
Wang Chen | 454d7c9 | 2008-11-12 23:37:49 -0800 | [diff] [blame] | 333 | struct bonding *bond = netdev_priv(slave->dev->master); |
Jiri Pirko | ae63e80 | 2009-05-27 05:42:36 +0000 | [diff] [blame] | 334 | if (!bond_is_lb(bond)) |
Jay Vosburgh | 8f903c7 | 2006-02-21 16:36:44 -0800 | [diff] [blame] | 335 | slave->state = BOND_STATE_BACKUP; |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 336 | if (!bond->params.all_slaves_active) |
| 337 | slave->dev->priv_flags |= IFF_SLAVE_INACTIVE; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 338 | if (slave_do_arp_validate(bond, slave)) |
| 339 | slave->dev->priv_flags |= IFF_SLAVE_NEEDARP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | } |
| 341 | |
Adrian Bunk | cceb904 | 2006-01-05 22:45:42 -0800 | [diff] [blame] | 342 | static inline void bond_set_slave_active_flags(struct slave *slave) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | { |
| 344 | slave->state = BOND_STATE_ACTIVE; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 345 | slave->dev->priv_flags &= ~(IFF_SLAVE_INACTIVE | IFF_SLAVE_NEEDARP); |
Jay Vosburgh | 8f903c7 | 2006-02-21 16:36:44 -0800 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | static inline void bond_set_master_3ad_flags(struct bonding *bond) |
| 349 | { |
| 350 | bond->dev->priv_flags |= IFF_MASTER_8023AD; |
| 351 | } |
| 352 | |
| 353 | static inline void bond_unset_master_3ad_flags(struct bonding *bond) |
| 354 | { |
| 355 | bond->dev->priv_flags &= ~IFF_MASTER_8023AD; |
| 356 | } |
| 357 | |
| 358 | static inline void bond_set_master_alb_flags(struct bonding *bond) |
| 359 | { |
| 360 | bond->dev->priv_flags |= IFF_MASTER_ALB; |
| 361 | } |
| 362 | |
| 363 | static inline void bond_unset_master_alb_flags(struct bonding *bond) |
| 364 | { |
| 365 | bond->dev->priv_flags &= ~IFF_MASTER_ALB; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr); |
| 369 | int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev); |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 370 | int bond_create(struct net *net, const char *name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 371 | int bond_create_sysfs(void); |
| 372 | void bond_destroy_sysfs(void); |
Eric W. Biederman | 6151b3d | 2009-10-29 14:18:22 +0000 | [diff] [blame] | 373 | void bond_prepare_sysfs_group(struct bonding *bond); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 374 | int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave); |
| 375 | void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave); |
Mitch Williams | a77b532 | 2005-11-09 10:35:51 -0800 | [diff] [blame] | 376 | int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev); |
| 377 | int bond_release(struct net_device *bond_dev, struct net_device *slave_dev); |
Jay Vosburgh | 1b76b31 | 2007-10-17 17:37:45 -0700 | [diff] [blame] | 378 | void bond_mii_monitor(struct work_struct *); |
| 379 | void bond_loadbalance_arp_mon(struct work_struct *); |
| 380 | void bond_activebackup_arp_mon(struct work_struct *); |
Mitch Williams | a77b532 | 2005-11-09 10:35:51 -0800 | [diff] [blame] | 381 | void bond_set_mode_ops(struct bonding *bond, int mode); |
Holger Eitzenberger | 325dcf7 | 2008-12-09 23:10:17 -0800 | [diff] [blame] | 382 | int bond_parse_parm(const char *mode_arg, const struct bond_parm_tbl *tbl); |
Mitch Williams | a77b532 | 2005-11-09 10:35:51 -0800 | [diff] [blame] | 383 | void bond_select_active_slave(struct bonding *bond); |
| 384 | void bond_change_active_slave(struct bonding *bond, struct slave *new_active); |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 385 | void bond_register_arp(struct bonding *); |
| 386 | void bond_unregister_arp(struct bonding *); |
Taku Izumi | f073c7c | 2010-12-09 15:17:13 +0000 | [diff] [blame^] | 387 | void bond_create_debugfs(void); |
| 388 | void bond_destroy_debugfs(void); |
| 389 | void bond_debug_register(struct bonding *bond); |
| 390 | void bond_debug_unregister(struct bonding *bond); |
| 391 | void bond_debug_reregister(struct bonding *bond); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 393 | struct bond_net { |
| 394 | struct net * net; /* Associated network namespace */ |
| 395 | struct list_head dev_list; |
| 396 | #ifdef CONFIG_PROC_FS |
| 397 | struct proc_dir_entry * proc_dir; |
| 398 | #endif |
| 399 | }; |
| 400 | |
Ben Dooks | b225967 | 2008-09-14 16:56:12 +0100 | [diff] [blame] | 401 | /* exported from bond_main.c */ |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 402 | extern int bond_net_id; |
Holger Eitzenberger | e97fd7c | 2008-12-09 23:10:38 -0800 | [diff] [blame] | 403 | extern const struct bond_parm_tbl bond_lacp_tbl[]; |
| 404 | extern const struct bond_parm_tbl bond_mode_tbl[]; |
| 405 | extern const struct bond_parm_tbl xmit_hashtype_tbl[]; |
| 406 | extern const struct bond_parm_tbl arp_validate_tbl[]; |
| 407 | extern const struct bond_parm_tbl fail_over_mac_tbl[]; |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 408 | extern const struct bond_parm_tbl pri_reselect_tbl[]; |
Hannes Eder | b06715b | 2008-12-25 23:58:57 -0800 | [diff] [blame] | 409 | extern struct bond_parm_tbl ad_select_tbl[]; |
| 410 | |
Brian Haley | 305d552 | 2008-11-04 17:51:14 -0800 | [diff] [blame] | 411 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
| 412 | void bond_send_unsolicited_na(struct bonding *bond); |
| 413 | void bond_register_ipv6_notifier(void); |
| 414 | void bond_unregister_ipv6_notifier(void); |
| 415 | #else |
| 416 | static inline void bond_send_unsolicited_na(struct bonding *bond) |
| 417 | { |
| 418 | return; |
| 419 | } |
| 420 | static inline void bond_register_ipv6_notifier(void) |
| 421 | { |
| 422 | return; |
| 423 | } |
| 424 | static inline void bond_unregister_ipv6_notifier(void) |
| 425 | { |
| 426 | return; |
| 427 | } |
| 428 | #endif |
| 429 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | #endif /* _LINUX_BONDING_H */ |