selftest/bpf: extend the offload test with map checks

2018-01-18T21:54:26Z

Check map device information is reported correctly, and perform basic map operations. Check device destruction gets rid of the maps and map allocation failure path by telling netdevsim to reject map offload via DebugFS. Signed-off-by: Jakub Kicinski Signed-off-by: Daniel Borkmann

kernel/tools/testing/selftests/bpf/sample_map_ret0.c, branch linux-4.16.y

selftest/bpf: extend the offload test with map checks