Dima Chumak 2f8b6161cc
net/mlx5: Lag, fix multipath lag activation ...
When handling FIB_EVENT_ENTRY_REPLACE event for a new multipath route,
lag activation can be missed if a stale (struct lag_mp)->mfi pointer
exists, which was associated with an older multipath route that had been
removed.
Normally, when a route is removed, it triggers mlx5_lag_fib_event(),
which handles FIB_EVENT_ENTRY_DEL and clears mfi pointer. But, if
mlx5_lag_check_prereq() condition isn't met, for example when eswitch is
in legacy mode, the fib event is skipped and mfi pointer becomes stale.
Fix by resetting mfi pointer to NULL in mlx5_deactivate_lag().
Fixes: 8a66e45859dchumak@nvidia.com >
Reviewed-by: Roi Dayan <roid@nvidia.com >
Reviewed-by: Mark Bloch <mbloch@nvidia.com >
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com >
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