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authorJonathan Toppins <jtoppins@redhat.com>2022-11-22 16:24:29 -0500
committerJakub Kicinski <kuba@kernel.org>2022-11-23 20:14:48 -0800
commitf8a65ab2f3ff7410921ebbf0dc55453102c33c56 (patch)
tree303dcc4ff90b5b78242edf0733ef25c09679a9cc
parentd43eff0b85ae28dd2b95dab18a3e7dcb813d7bc1 (diff)
downloadlinux-f8a65ab2f3ff7410921ebbf0dc55453102c33c56.tar.bz2
bonding: fix link recovery in mode 2 when updelay is nonzero
Before this change when a bond in mode 2 lost link, all of its slaves lost link, the bonding device would never recover even after the expiration of updelay. This change removes the updelay when the bond currently has no usable links. Conforming to bonding.txt section 13.1 paragraph 4. Fixes: 41f891004063 ("bonding: ignore updelay param when there is no active slave") Signed-off-by: Jonathan Toppins <jtoppins@redhat.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/bonding/bond_main.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 1cd4e71916f8..6c4348245d1f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2529,7 +2529,16 @@ static int bond_miimon_inspect(struct bonding *bond)
struct slave *slave;
bool ignore_updelay;
- ignore_updelay = !rcu_dereference(bond->curr_active_slave);
+ if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) {
+ ignore_updelay = !rcu_dereference(bond->curr_active_slave);
+ } else {
+ struct bond_up_slave *usable_slaves;
+
+ usable_slaves = rcu_dereference(bond->usable_slaves);
+
+ if (usable_slaves && usable_slaves->count == 0)
+ ignore_updelay = true;
+ }
bond_for_each_slave_rcu(bond, slave, iter) {
bond_propose_link_state(slave, BOND_LINK_NOCHANGE);