ice: switch: use a struct to pass packet template params
ice_find_dummy_packet() contains a lot of boilerplate code and a nice room for copy-paste mistakes. Instead of passing 3 separate pointers back and forth to get packet template (dummy) params, directly return a structure containing them. Then, use a macro to compose compound literals and avoid code duplication on return path. Now, dummy packet type/name is needed only once to return a full correct triple pkt-pkt_len-offsets, and those are all one-liners. dummy_ipv4_gtpu_ipv4_packet_offsets is just moved around and renamed (as well as dummy_ipv6_gtp_packet_offsets) with no function changes. Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Tested-by: Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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