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net/mlx5e: Add listener to trap event
Add support for listening to blocking events in the ETH driver. Listen
on trap event. If received, call mlx5e_handle_trap_event() which:
1) Verifies if driver needs open/close trap-RQ with respect to the
active traps count.
2) Inspects trap id and its action (trap/drop) and add/remove the flow
steering rule accordingly.
Otherwise, return an error.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>