New files:
tools/testing/selftests/bpf/prog_tests/xsk.c

Modified files:
tools/testing/selftests/bpf/xskxceiver.c
tools/testing/selftests/bpf/Makefile

format check ignoring tools/testing/selftests/bpf/prog_tests/xsk.c
format check ignoring tools/testing/selftests/bpf/xskxceiver.c
git grep xsk.c -- tools/testing/selftests/bpf/prog_tests/Makefile:: 1
git grep xsk.c -- tools/testing/selftests/bpf/prog_tests/.gitignore:: 1