netdev-dpdk: Negotiate delivery of per-packet Rx metadata. #2185

Job	Run time
linux deb no dpdk	9m 3s
osx clang --disable-ssl	3m 57s
dpdk gcc	11s
linux gcc --disable-ssl	3m 54s
linux clang --disable-ssl	4m 12s
linux gcc test	12m 7s
linux clang test asan	18m 41s
linux clang test ubsan	13m 49s
linux gcc test --enable-shared	17m 33s
linux clang test --enable-shared	14m 32s
linux gcc test dpdk	12m 38s
linux clang test dpdk	11m 53s
linux gcc test -ljemalloc	12m 33s
linux clang test -ljemalloc	10m 17s
linux gcc --enable-afxdp	3m 10s
linux clang --enable-afxdp	3m 6s
linux gcc dpdk --enable-shared	5m 46s
linux clang dpdk --enable-shared	4m 8s
linux gcc dpdk-shared	4m 37s
linux clang dpdk-shared	3m 47s
linux gcc dpdk-shared --enable-shared	5m 50s
linux clang dpdk-shared --enable-shared	5m 14s
linux gcc m32 --disable-ssl	3m 56s
	3h 4m 54s

Provide feedback