diff options
Diffstat (limited to 'drivers/net/bonding/bonding.h')
| -rw-r--r-- | drivers/net/bonding/bonding.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 486e532..3fb73cc 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -144,6 +144,7 @@ struct bond_params { u8 num_peer_notif; int arp_interval; int arp_validate; + int arp_all_targets; int use_carrier; int fail_over_mac; int updelay; @@ -179,6 +180,7 @@ struct slave { int delay; unsigned long jiffies; unsigned long last_arp_rx; + unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS]; s8 link; /* one of BOND_LINK_XXXX */ s8 new_link; u8 backup:1, /* indicates backup slave. Value corresponds with @@ -322,6 +324,9 @@ static inline bool bond_is_active_slave(struct slave *slave) #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) @@ -334,11 +339,31 @@ static inline int slave_do_arp_validate(struct bonding *bond, return bond->params.arp_validate & (1 << bond_slave_state(slave)); } +/* 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 (slave_do_arp_validate(bond, slave)) { + if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL) + return slave_oldest_target_arp_rx(bond, slave); + else + return slave->last_arp_rx; + } return slave->dev->last_rx; } @@ -486,6 +511,7 @@ 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[]; |