net/ice/base: fix inner L4 offset for GTPU dummy packet
net/ice/base: fix inner L4 offset for GTPU dummy packet

Fix inner L4 offset of ipv6_gtpu_ipv6_tcp/udp dummy packet.

Fixes: bd4d9a89dbc1 ("net/ice/base: add GTP filtering via advanced switch filter")
Cc: stable@dpdk.org

Signed-off-by: Yuying Zhang <a05fb630652fa1cf5d650979450888a135e9aae3@intel.com>
Acked-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk