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| author |   Jakub Kicinski <kuba@kernel.org> | 2022-02-17 11:44:20 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 11:44:20 -0800 |
| commit | 6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (patch) | |
| tree | 49737aa9d6b50154c37ac9b2d6f6021b9eab61c1 /drivers/net/bonding | |
| parent | ipv6/addrconf: ensure addrconf_verify_rtnl() has completed (diff) | |
| parent | Merge tag 'net-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-dev-6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c.tar.xz linux-dev-6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_3ad.c | 30 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 5 |
2 files changed, 27 insertions, 8 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 9fd1d6cba3cd..a86b1f71762e 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -225,7 +225,7 @@ static inline int __check_agg_selection_timer(struct port *port) if (bond == NULL) return 0; - return BOND_AD_INFO(bond).agg_select_timer ? 1 : 0; + return atomic_read(&BOND_AD_INFO(bond).agg_select_timer) ? 1 : 0; } /** @@ -1995,7 +1995,7 @@ static void ad_marker_response_received(struct bond_marker *marker, */ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) { - BOND_AD_INFO(bond).agg_select_timer = timeout; + atomic_set(&BOND_AD_INFO(bond).agg_select_timer, timeout); } /** @@ -2279,6 +2279,28 @@ void bond_3ad_update_ad_actor_settings(struct bonding *bond) } /** + * bond_agg_timer_advance - advance agg_select_timer + * @bond: bonding structure + * + * Return true when agg_select_timer reaches 0. + */ +static bool bond_agg_timer_advance(struct bonding *bond) +{ + int val, nval; + + while (1) { + val = atomic_read(&BOND_AD_INFO(bond).agg_select_timer); + if (!val) + return false; + nval = val - 1; + if (atomic_cmpxchg(&BOND_AD_INFO(bond).agg_select_timer, + val, nval) == val) + break; + } + return nval == 0; +} + +/** * bond_3ad_state_machine_handler - handle state machines timeout * @work: work context to fetch bonding struct to work on from * @@ -2313,9 +2335,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) if (!bond_has_slaves(bond)) goto re_arm; - /* check if agg_select_timer timer after initialize is timed out */ - if (BOND_AD_INFO(bond).agg_select_timer && - !(--BOND_AD_INFO(bond).agg_select_timer)) { + if (bond_agg_timer_advance(bond)) { slave = bond_first_slave_rcu(bond); port = slave ? &(SLAVE_AD_INFO(slave)->port) : NULL; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 617c2bf8c5a7..57d182c9f7d5 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2379,10 +2379,9 @@ static int __bond_release_one(struct net_device *bond_dev, bond_select_active_slave(bond); } - if (!bond_has_slaves(bond)) { - bond_set_carrier(bond); + bond_set_carrier(bond); + if (!bond_has_slaves(bond)) eth_hw_addr_random(bond_dev); - } unblock_netpoll_tx(); synchronize_rcu(); |