diff options
author | Jakub Kicinski <kuba@kernel.org> | 2022-02-10 11:45:35 -0800 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-10 11:45:36 -0800 |
commit | a19f7d7da9b3ffe8fcc43203a2d49c096d0754f6 (patch) | |
tree | ff400f6c0fa99bd44992b1574411e4a739ee76f4 /drivers/net/ethernet/intel/ice/ice_lag.c | |
parent | 7fbf6795d127a3b1bb39b0e42579904cf6db1624 (diff) | |
parent | 5dbbbd01cbba831233c6ea9a3e6bfa133606d3c0 (diff) |
Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-02-10
Dan Carpenter propagates an error in FEC configuration.
Jesse fixes TSO offloads of IPIP and SIT frames.
Dave adds a dedicated LAG unregister function to resolve a KASAN error
and moves auxiliary device re-creation after LAG removal to the service
task to avoid issues with RTNL lock.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Avoid RTNL lock when re-creating auxiliary device
ice: Fix KASAN error in LAG NETDEV_UNREGISTER handler
ice: fix IPIP and SIT TSO offload
ice: fix an error code in ice_cfg_phy_fec()
====================
Link: https://lore.kernel.org/r/20220210170515.2609656-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lag.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lag.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c index e375ac849aec..4f954db01b92 100644 --- a/drivers/net/ethernet/intel/ice/ice_lag.c +++ b/drivers/net/ethernet/intel/ice/ice_lag.c @@ -204,11 +204,7 @@ ice_lag_unlink(struct ice_lag *lag, lag->upper_netdev = NULL; } - if (lag->peer_netdev) { - dev_put(lag->peer_netdev); - lag->peer_netdev = NULL; - } - + lag->peer_netdev = NULL; ice_set_sriov_cap(pf); ice_set_rdma_cap(pf); lag->bonded = false; @@ -216,6 +212,32 @@ ice_lag_unlink(struct ice_lag *lag, } /** + * ice_lag_unregister - handle netdev unregister events + * @lag: LAG info struct + * @netdev: netdev reporting the event + */ +static void ice_lag_unregister(struct ice_lag *lag, struct net_device *netdev) +{ + struct ice_pf *pf = lag->pf; + + /* check to see if this event is for this netdev + * check that we are in an aggregate + */ + if (netdev != lag->netdev || !lag->bonded) + return; + + if (lag->upper_netdev) { + dev_put(lag->upper_netdev); + lag->upper_netdev = NULL; + ice_set_sriov_cap(pf); + ice_set_rdma_cap(pf); + } + /* perform some cleanup in case we come back */ + lag->bonded = false; + lag->role = ICE_LAG_NONE; +} + +/** * ice_lag_changeupper_event - handle LAG changeupper event * @lag: LAG info struct * @ptr: opaque pointer data @@ -307,7 +329,7 @@ ice_lag_event_handler(struct notifier_block *notif_blk, unsigned long event, ice_lag_info_event(lag, ptr); break; case NETDEV_UNREGISTER: - ice_lag_unlink(lag, ptr); + ice_lag_unregister(lag, netdev); break; default: break; |