Defined in 2 files as a macro:

• include/uapi/linux/if_xdp.h, line 16 (as a macro)
• tools/include/uapi/linux/if_xdp.h, line 16 (as a macro)

Referenced in 3 files:

• net/xdp/xsk.c
  • line 1174
  • line 1202
• tools/testing/selftests/bpf/xsk.c, line 673
• tools/testing/selftests/bpf/xskxceiver.c, line 265