diff options
Diffstat (limited to 'drivers/net/bonding/bonding.h')
| -rw-r--r-- | drivers/net/bonding/bonding.h | 586 |
1 files changed, 394 insertions, 192 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index ad3ae46a4c0..0b4d9cde0b0 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -18,52 +18,29 @@ #include <linux/timer.h> #include <linux/proc_fs.h> #include <linux/if_bonding.h> -#include <linux/kobject.h> #include <linux/cpumask.h> #include <linux/in6.h> +#include <linux/netpoll.h> +#include <linux/inetdevice.h> +#include <linux/etherdevice.h> +#include <linux/reciprocal_div.h> + #include "bond_3ad.h" #include "bond_alb.h" +#include "bond_options.h" -#define DRV_VERSION "3.7.0" -#define DRV_RELDATE "June 2, 2010" +#define DRV_VERSION "3.7.1" +#define DRV_RELDATE "April 27, 2011" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" -#define BOND_MAX_ARP_TARGETS 16 - -#define IS_UP(dev) \ - ((((dev)->flags & IFF_UP) == IFF_UP) && \ - netif_running(dev) && \ - netif_carrier_ok(dev)) - -/* - * Checks whether bond is ready for transmit. - * - * Caller must hold bond->lock - */ -#define BOND_IS_OK(bond) \ - (((bond)->dev->flags & IFF_UP) && \ - netif_running((bond)->dev) && \ - ((bond)->slave_cnt > 0)) - -/* - * Checks whether slave is ready for transmit. - */ -#define SLAVE_IS_OK(slave) \ - (((slave)->dev->flags & IFF_UP) && \ - netif_running((slave)->dev) && \ - ((slave)->link == BOND_LINK_UP) && \ - ((slave)->state == BOND_STATE_ACTIVE)) +#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n" +#define BOND_MAX_VLAN_ENCAP 2 +#define BOND_MAX_ARP_TARGETS 16 -#define USES_PRIMARY(mode) \ - (((mode) == BOND_MODE_ACTIVEBACKUP) || \ - ((mode) == BOND_MODE_TLB) || \ - ((mode) == BOND_MODE_ALB)) +#define BOND_DEFAULT_MIIMON 100 -#define TX_QUEUE_OVERRIDE(mode) \ - (((mode) == BOND_MODE_ACTIVEBACKUP) || \ - ((mode) == BOND_MODE_ROUNDROBIN)) /* * Less bad way to call ioctl from within the kernel; this needs to be * done some other way to get the call out of interrupt context. @@ -77,68 +54,62 @@ set_fs(fs); \ res; }) -/** - * bond_for_each_slave_from - iterate the slaves list from a starting point - * @bond: the bond holding this list. - * @pos: current slave. - * @cnt: counter for max number of moves - * @start: starting point. - * - * Caller must hold bond->lock - */ -#define bond_for_each_slave_from(bond, pos, cnt, start) \ - for (cnt = 0, pos = start; \ - cnt < (bond)->slave_cnt; \ - cnt++, pos = (pos)->next) +#define BOND_MODE(bond) ((bond)->params.mode) -/** - * bond_for_each_slave_from_to - iterate the slaves list from start point to stop point - * @bond: the bond holding this list. - * @pos: current slave. - * @cnt: counter for number max of moves - * @start: start point. - * @stop: stop point. - * - * Caller must hold bond->lock - */ -#define bond_for_each_slave_from_to(bond, pos, cnt, start, stop) \ - for (cnt = 0, pos = start; \ - ((cnt < (bond)->slave_cnt) && (pos != (stop)->next)); \ - cnt++, pos = (pos)->next) +/* slave list primitives */ +#define bond_slave_list(bond) (&(bond)->dev->adj_list.lower) + +#define bond_has_slaves(bond) !list_empty(bond_slave_list(bond)) + +/* IMPORTANT: bond_first/last_slave can return NULL in case of an empty list */ +#define bond_first_slave(bond) \ + (bond_has_slaves(bond) ? \ + netdev_adjacent_get_private(bond_slave_list(bond)->next) : \ + NULL) +#define bond_last_slave(bond) \ + (bond_has_slaves(bond) ? \ + netdev_adjacent_get_private(bond_slave_list(bond)->prev) : \ + NULL) + +/* Caller must have rcu_read_lock */ +#define bond_first_slave_rcu(bond) \ + netdev_lower_get_first_private_rcu(bond->dev) + +#define bond_is_first_slave(bond, pos) (pos == bond_first_slave(bond)) +#define bond_is_last_slave(bond, pos) (pos == bond_last_slave(bond)) /** - * bond_for_each_slave - iterate the slaves list from head - * @bond: the bond holding this list. - * @pos: current slave. - * @cnt: counter for max number of moves + * bond_for_each_slave - iterate over all slaves + * @bond: the bond holding this list + * @pos: current slave + * @iter: list_head * iterator * * Caller must hold bond->lock */ -#define bond_for_each_slave(bond, pos, cnt) \ - bond_for_each_slave_from(bond, pos, cnt, (bond)->first_slave) +#define bond_for_each_slave(bond, pos, iter) \ + netdev_for_each_lower_private((bond)->dev, pos, iter) +/* Caller must have rcu_read_lock */ +#define bond_for_each_slave_rcu(bond, pos, iter) \ + netdev_for_each_lower_private_rcu((bond)->dev, pos, iter) #ifdef CONFIG_NET_POLL_CONTROLLER -extern cpumask_var_t netpoll_block_tx; +extern atomic_t netpoll_block_tx; static inline void block_netpoll_tx(void) { - preempt_disable(); - BUG_ON(cpumask_test_and_set_cpu(smp_processor_id(), - netpoll_block_tx)); + atomic_inc(&netpoll_block_tx); } static inline void unblock_netpoll_tx(void) { - BUG_ON(!cpumask_test_and_clear_cpu(smp_processor_id(), - netpoll_block_tx)); - preempt_enable(); + atomic_dec(&netpoll_block_tx); } static inline int is_netpoll_tx_blocked(struct net_device *dev) { - if (unlikely(dev->priv_flags & IFF_IN_NETPOLL)) - return cpumask_test_cpu(smp_processor_id(), netpoll_block_tx); + if (unlikely(netpoll_tx_running(dev))) + return atomic_read(&netpoll_block_tx); return 0; } #else @@ -151,15 +122,16 @@ struct bond_params { int mode; int xmit_policy; int miimon; - int num_grat_arp; - int num_unsol_na; + u8 num_peer_notif; int arp_interval; int arp_validate; + int arp_all_targets; int use_carrier; int fail_over_mac; int updelay; int downdelay; int lacp_fast; + unsigned int min_links; int ad_select; char primary[IFNAMSIZ]; int primary_reselect; @@ -167,6 +139,10 @@ struct bond_params { int tx_queues; int all_slaves_active; int resend_igmp; + int lp_interval; + int packets_per_slave; + int tlb_dynamic_lb; + struct reciprocal_value reciprocal_packets_per_slave; }; struct bond_parm_tbl { @@ -174,35 +150,32 @@ struct bond_parm_tbl { int mode; }; -#define BOND_MAX_MODENAME_LEN 20 - -struct vlan_entry { - struct list_head vlan_list; - __be32 vlan_ip; - unsigned short vlan_id; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) - struct in6_addr vlan_ipv6; -#endif -}; - struct slave { struct net_device *dev; /* first - useful for panic debug */ - struct slave *next; - struct slave *prev; + struct bonding *bond; /* our master */ int delay; - unsigned long jiffies; - unsigned long last_arp_rx; + /* all three in jiffies */ + unsigned long last_link_up; + unsigned long last_rx; + unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS]; s8 link; /* one of BOND_LINK_XXXX */ s8 new_link; - s8 state; /* one of BOND_STATE_XXXX */ + u8 backup:1, /* indicates backup slave. Value corresponds with + BOND_STATE_ACTIVE and BOND_STATE_BACKUP */ + inactive:1, /* indicates inactive slave */ + should_notify:1; /* indicateds whether the state changed */ + u8 duplex; u32 original_mtu; u32 link_failure_count; - u8 perm_hwaddr[ETH_ALEN]; - u16 speed; - u8 duplex; + u32 speed; u16 queue_id; - struct ad_slave_info ad_info; /* HUGE - better to dynamically alloc */ + u8 perm_hwaddr[ETH_ALEN]; + struct ad_slave_info *ad_info; struct tlb_slave_info tlb_info; +#ifdef CONFIG_NET_POLL_CONTROLLER + struct netpoll *np; +#endif + struct kobject kobj; }; /* @@ -221,44 +194,47 @@ struct slave { */ struct bonding { struct net_device *dev; /* first - useful for panic debug */ - struct slave *first_slave; struct slave *curr_active_slave; struct slave *current_arp_slave; struct slave *primary_slave; bool force_primary; s32 slave_cnt; /* never change this value outside the attach/detach wrappers */ + int (*recv_probe)(const struct sk_buff *, struct bonding *, + struct slave *); rwlock_t lock; rwlock_t curr_slave_lock; - s8 kill_timers; - s8 send_grat_arp; - s8 send_unsol_na; - s8 setup_by_slave; - s8 igmp_retrans; + u8 send_peer_notif; + u8 igmp_retrans; #ifdef CONFIG_PROC_FS struct proc_dir_entry *proc_entry; char proc_file_name[IFNAMSIZ]; #endif /* CONFIG_PROC_FS */ struct list_head bond_list; - struct netdev_hw_addr_list mc_list; - int (*xmit_hash_policy)(struct sk_buff *, int); - __be32 master_ip; - u16 flags; - u16 rr_tx_counter; + u32 rr_tx_counter; struct ad_bond_info ad_info; struct alb_bond_info alb_info; struct bond_params params; - struct list_head vlan_list; - struct vlan_group *vlgrp; - struct packet_type arp_mon_pt; struct workqueue_struct *wq; struct delayed_work mii_work; struct delayed_work arp_work; struct delayed_work alb_work; struct delayed_work ad_work; struct delayed_work mcast_work; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) - struct in6_addr master_ipv6; -#endif +#ifdef CONFIG_DEBUG_FS + /* debugging support via debugfs */ + struct dentry *debug_dir; +#endif /* CONFIG_DEBUG_FS */ +}; + +#define bond_slave_get_rcu(dev) \ + ((struct slave *) rcu_dereference(dev->rx_handler_data)) + +#define bond_slave_get_rtnl(dev) \ + ((struct slave *) rtnl_dereference(dev->rx_handler_data)) + +struct bond_vlan_tag { + __be16 vlan_proto; + unsigned short vlan_id; }; /** @@ -266,33 +242,125 @@ struct bonding { * * Caller must hold bond lock for read */ -static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) +static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, + struct net_device *slave_dev) { - struct slave *slave = NULL; - int i; + return netdev_lower_dev_get_private(bond->dev, slave_dev); +} - bond_for_each_slave(bond, slave, i) { - if (slave->dev == slave_dev) { - break; - } +static inline struct bonding *bond_get_bond_by_slave(struct slave *slave) +{ + return slave->bond; +} + +static inline bool bond_should_override_tx_queue(struct bonding *bond) +{ + return BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP || + BOND_MODE(bond) == BOND_MODE_ROUNDROBIN; +} + +static inline bool bond_is_lb(const struct bonding *bond) +{ + return BOND_MODE(bond) == BOND_MODE_TLB || + BOND_MODE(bond) == BOND_MODE_ALB; +} + +static inline bool bond_mode_uses_arp(int mode) +{ + return mode != BOND_MODE_8023AD && mode != BOND_MODE_TLB && + mode != BOND_MODE_ALB; +} + +static inline bool bond_mode_uses_primary(int mode) +{ + return mode == BOND_MODE_ACTIVEBACKUP || mode == BOND_MODE_TLB || + mode == BOND_MODE_ALB; +} + +static inline bool bond_uses_primary(struct bonding *bond) +{ + return bond_mode_uses_primary(BOND_MODE(bond)); +} + +static inline bool bond_slave_is_up(struct slave *slave) +{ + return netif_running(slave->dev) && netif_carrier_ok(slave->dev); +} + +static inline void bond_set_active_slave(struct slave *slave) +{ + if (slave->backup) { + slave->backup = 0; + rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC); } +} - return slave; +static inline void bond_set_backup_slave(struct slave *slave) +{ + if (!slave->backup) { + slave->backup = 1; + rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC); + } } -static inline struct bonding *bond_get_bond_by_slave(struct slave *slave) +static inline void bond_set_slave_state(struct slave *slave, + int slave_state, bool notify) { - if (!slave || !slave->dev->master) { - return NULL; + if (slave->backup == slave_state) + return; + + slave->backup = slave_state; + if (notify) { + rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC); + slave->should_notify = 0; + } else { + if (slave->should_notify) + slave->should_notify = 0; + else + slave->should_notify = 1; } +} - return netdev_priv(slave->dev->master); +static inline void bond_slave_state_change(struct bonding *bond) +{ + struct list_head *iter; + struct slave *tmp; + + bond_for_each_slave(bond, tmp, iter) { + if (tmp->link == BOND_LINK_UP) + bond_set_active_slave(tmp); + else if (tmp->link == BOND_LINK_DOWN) + bond_set_backup_slave(tmp); + } } -static inline bool bond_is_lb(const struct bonding *bond) +static inline void bond_slave_state_notify(struct bonding *bond) +{ + struct list_head *iter; + struct slave *tmp; + + bond_for_each_slave(bond, tmp, iter) { + if (tmp->should_notify) { + rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_ATOMIC); + tmp->should_notify = 0; + } + } +} + +static inline int bond_slave_state(struct slave *slave) { - return (bond->params.mode == BOND_MODE_TLB || - bond->params.mode == BOND_MODE_ALB); + return slave->backup; +} + +static inline bool bond_is_active_slave(struct slave *slave) +{ + return !bond_slave_state(slave); +} + +static inline bool bond_slave_can_tx(struct slave *slave) +{ + return bond_slave_is_up(slave) && slave->link == BOND_LINK_UP && + bond_is_active_slave(slave); } #define BOND_PRI_RESELECT_ALWAYS 0 @@ -303,119 +371,253 @@ static inline bool bond_is_lb(const struct bonding *bond) #define BOND_FOM_ACTIVE 1 #define BOND_FOM_FOLLOW 2 +#define BOND_ARP_TARGETS_ANY 0 +#define BOND_ARP_TARGETS_ALL 1 + #define BOND_ARP_VALIDATE_NONE 0 #define BOND_ARP_VALIDATE_ACTIVE (1 << BOND_STATE_ACTIVE) #define BOND_ARP_VALIDATE_BACKUP (1 << BOND_STATE_BACKUP) #define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \ BOND_ARP_VALIDATE_BACKUP) +#define BOND_ARP_FILTER (BOND_ARP_VALIDATE_ALL + 1) +#define BOND_ARP_FILTER_ACTIVE (BOND_ARP_VALIDATE_ACTIVE | \ + BOND_ARP_FILTER) +#define BOND_ARP_FILTER_BACKUP (BOND_ARP_VALIDATE_BACKUP | \ + BOND_ARP_FILTER) + +#define BOND_SLAVE_NOTIFY_NOW true +#define BOND_SLAVE_NOTIFY_LATER false static inline int slave_do_arp_validate(struct bonding *bond, struct slave *slave) { - return bond->params.arp_validate & (1 << slave->state); + return bond->params.arp_validate & (1 << bond_slave_state(slave)); +} + +static inline int slave_do_arp_validate_only(struct bonding *bond) +{ + return bond->params.arp_validate & BOND_ARP_FILTER; +} + +static inline int bond_is_ip_target_ok(__be32 addr) +{ + return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr); +} + +/* Get the oldest arp which we've received on this slave for bond's + * arp_targets. + */ +static inline unsigned long slave_oldest_target_arp_rx(struct bonding *bond, + struct slave *slave) +{ + int i = 1; + unsigned long ret = slave->target_last_arp_rx[0]; + + for (; (i < BOND_MAX_ARP_TARGETS) && bond->params.arp_targets[i]; i++) + if (time_before(slave->target_last_arp_rx[i], ret)) + ret = slave->target_last_arp_rx[i]; + + return ret; } static inline unsigned long slave_last_rx(struct bonding *bond, struct slave *slave) { - if (slave_do_arp_validate(bond, slave)) - return slave->last_arp_rx; + if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL) + return slave_oldest_target_arp_rx(bond, slave); - return slave->dev->last_rx; + return slave->last_rx; } -static inline void bond_set_slave_inactive_flags(struct slave *slave) +#ifdef CONFIG_NET_POLL_CONTROLLER +static inline void bond_netpoll_send_skb(const struct slave *slave, + struct sk_buff *skb) { - struct bonding *bond = netdev_priv(slave->dev->master); - if (!bond_is_lb(bond)) - slave->state = BOND_STATE_BACKUP; - if (!bond->params.all_slaves_active) - slave->dev->priv_flags |= IFF_SLAVE_INACTIVE; - if (slave_do_arp_validate(bond, slave)) - slave->dev->priv_flags |= IFF_SLAVE_NEEDARP; -} + struct netpoll *np = slave->np; -static inline void bond_set_slave_active_flags(struct slave *slave) + if (np) + netpoll_send_skb(np, skb); +} +#else +static inline void bond_netpoll_send_skb(const struct slave *slave, + struct sk_buff *skb) { - slave->state = BOND_STATE_ACTIVE; - slave->dev->priv_flags &= ~(IFF_SLAVE_INACTIVE | IFF_SLAVE_NEEDARP); } +#endif -static inline void bond_set_master_3ad_flags(struct bonding *bond) +static inline void bond_set_slave_inactive_flags(struct slave *slave, + bool notify) { - bond->dev->priv_flags |= IFF_MASTER_8023AD; + if (!bond_is_lb(slave->bond)) + bond_set_slave_state(slave, BOND_STATE_BACKUP, notify); + if (!slave->bond->params.all_slaves_active) + slave->inactive = 1; } -static inline void bond_unset_master_3ad_flags(struct bonding *bond) +static inline void bond_set_slave_active_flags(struct slave *slave, + bool notify) { - bond->dev->priv_flags &= ~IFF_MASTER_8023AD; + bond_set_slave_state(slave, BOND_STATE_ACTIVE, notify); + slave->inactive = 0; } -static inline void bond_set_master_alb_flags(struct bonding *bond) +static inline bool bond_is_slave_inactive(struct slave *slave) { - bond->dev->priv_flags |= IFF_MASTER_ALB; + return slave->inactive; } -static inline void bond_unset_master_alb_flags(struct bonding *bond) +static inline __be32 bond_confirm_addr(struct net_device *dev, __be32 dst, __be32 local) { - bond->dev->priv_flags &= ~IFF_MASTER_ALB; + struct in_device *in_dev; + __be32 addr = 0; + + rcu_read_lock(); + in_dev = __in_dev_get_rcu(dev); + + if (in_dev) + addr = inet_confirm_addr(dev_net(dev), in_dev, dst, local, + RT_SCOPE_HOST); + rcu_read_unlock(); + return addr; } -struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr); -int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev); +struct bond_net { + struct net *net; /* Associated network namespace */ + struct list_head dev_list; +#ifdef CONFIG_PROC_FS + struct proc_dir_entry *proc_dir; +#endif + struct class_attribute class_attr_bonding_masters; +}; + +int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave); +void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev); int bond_create(struct net *net, const char *name); -int bond_create_sysfs(void); -void bond_destroy_sysfs(void); +int bond_create_sysfs(struct bond_net *net); +void bond_destroy_sysfs(struct bond_net *net); void bond_prepare_sysfs_group(struct bonding *bond); -int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave); -void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave); +int bond_sysfs_slave_add(struct slave *slave); +void bond_sysfs_slave_del(struct slave *slave); int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev); int bond_release(struct net_device *bond_dev, struct net_device *slave_dev); -void bond_mii_monitor(struct work_struct *); -void bond_loadbalance_arp_mon(struct work_struct *); -void bond_activebackup_arp_mon(struct work_struct *); -void bond_set_mode_ops(struct bonding *bond, int mode); -int bond_parse_parm(const char *mode_arg, const struct bond_parm_tbl *tbl); +u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb); void bond_select_active_slave(struct bonding *bond); void bond_change_active_slave(struct bonding *bond, struct slave *new_active); -void bond_register_arp(struct bonding *); -void bond_unregister_arp(struct bonding *); +void bond_create_debugfs(void); +void bond_destroy_debugfs(void); +void bond_debug_register(struct bonding *bond); +void bond_debug_unregister(struct bonding *bond); +void bond_debug_reregister(struct bonding *bond); +const char *bond_mode_name(int mode); +void bond_setup(struct net_device *bond_dev); +unsigned int bond_get_num_tx_queues(void); +int bond_netlink_init(void); +void bond_netlink_fini(void); +struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond); +struct net_device *bond_option_active_slave_get(struct bonding *bond); +const char *bond_slave_link_status(s8 link); +bool bond_verify_device_path(struct net_device *start_dev, + struct net_device *end_dev, + struct bond_vlan_tag *tags); -struct bond_net { - struct net * net; /* Associated network namespace */ - struct list_head dev_list; #ifdef CONFIG_PROC_FS - struct proc_dir_entry * proc_dir; +void bond_create_proc_entry(struct bonding *bond); +void bond_remove_proc_entry(struct bonding *bond); +void bond_create_proc_dir(struct bond_net *bn); +void bond_destroy_proc_dir(struct bond_net *bn); +#else +static inline void bond_create_proc_entry(struct bonding *bond) +{ +} + +static inline void bond_remove_proc_entry(struct bonding *bond) +{ +} + +static inline void bond_create_proc_dir(struct bond_net *bn) +{ +} + +static inline void bond_destroy_proc_dir(struct bond_net *bn) +{ +} #endif -}; + +static inline struct slave *bond_slave_has_mac(struct bonding *bond, + const u8 *mac) +{ + struct list_head *iter; + struct slave *tmp; + + bond_for_each_slave(bond, tmp, iter) + if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) + return tmp; + + return NULL; +} + +/* Caller must hold rcu_read_lock() for read */ +static inline struct slave *bond_slave_has_mac_rcu(struct bonding *bond, + const u8 *mac) +{ + struct list_head *iter; + struct slave *tmp; + + bond_for_each_slave_rcu(bond, tmp, iter) + if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) + return tmp; + + return NULL; +} + +/* Caller must hold rcu_read_lock() for read */ +static inline bool bond_slave_has_mac_rx(struct bonding *bond, const u8 *mac) +{ + struct list_head *iter; + struct slave *tmp; + struct netdev_hw_addr *ha; + + bond_for_each_slave_rcu(bond, tmp, iter) + if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) + return true; + + if (netdev_uc_empty(bond->dev)) + return false; + + netdev_for_each_uc_addr(ha, bond->dev) + if (ether_addr_equal_64bits(mac, ha->addr)) + return true; + + return false; +} + +/* Check if the ip is present in arp ip list, or first free slot if ip == 0 + * Returns -1 if not found, index if found + */ +static inline int bond_get_targets_ip(__be32 *targets, __be32 ip) +{ + int i; + + for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) + if (targets[i] == ip) + return i; + else if (targets[i] == 0) + break; + + return -1; +} /* exported from bond_main.c */ extern int bond_net_id; extern const struct bond_parm_tbl bond_lacp_tbl[]; -extern const struct bond_parm_tbl bond_mode_tbl[]; extern const struct bond_parm_tbl xmit_hashtype_tbl[]; extern const struct bond_parm_tbl arp_validate_tbl[]; +extern const struct bond_parm_tbl arp_all_targets_tbl[]; extern const struct bond_parm_tbl fail_over_mac_tbl[]; extern const struct bond_parm_tbl pri_reselect_tbl[]; extern struct bond_parm_tbl ad_select_tbl[]; -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -void bond_send_unsolicited_na(struct bonding *bond); -void bond_register_ipv6_notifier(void); -void bond_unregister_ipv6_notifier(void); -#else -static inline void bond_send_unsolicited_na(struct bonding *bond) -{ - return; -} -static inline void bond_register_ipv6_notifier(void) -{ - return; -} -static inline void bond_unregister_ipv6_notifier(void) -{ - return; -} -#endif +/* exported from bond_netlink.c */ +extern struct rtnl_link_ops bond_link_ops; #endif /* _LINUX_BONDING_H */ |