net/iavf: support GTPU inner IPv4 for flow director
Support GTPU_(EH)_IPV4 inner L3 and L4 fields matching for AVF FDIR.
+------------------------------+---------------------------------+
| Pattern | Input Set |
+------------------------------+---------------------------------+
| eth/ipv4/gtpu/ipv4 | inner: src/dst ip |
| eth/ipv4/gtpu/ipv4/udp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/ipv4/tcp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh/ipv4 | inner: src/dst ip |
| eth/ipv4/gtpu/eh/ipv4/udp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh/ipv4/tcp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh(0)/ipv4 | inner: src/dst ip |
| eth/ipv4/gtpu/eh(0)/ipv4/udp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh(0)/ipv4/tcp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh(1)/ipv4 | inner: src/dst ip |
| eth/ipv4/gtpu/eh(1)/ipv4/udp | inner: src/dst ip, src/dst port |
| eth/ipv4/gtpu/eh(1)/ipv4/tcp | inner: src/dst ip, src/dst port |
+------------------------------+---------------------------------+
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>