Fields in the struct efx_filter_spec_t starting from efs_outer_vid
are hashed for software filter lookup. efs_mark is not a matching
criteria. Exclude efs_mark from hash.
Fixes: 5f78af523912 ("net/sfc: support MARK and FLAG actions in flow API")
Cc: stable@dpdk.org
Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>