Defined in 2 files as a macro:

• include/uapi/linux/if_tun.h, line 68 (as a macro)
• tools/include/uapi/linux/if_tun.h, line 68 (as a macro)

Referenced in 4 files:

• drivers/net/tun.c
  • line 101
  • line 978
  • line 2844
  • line 2871
  • line 3102
• tools/testing/selftests/bpf/prog_tests/flow_dissector.c, line 569
• tools/testing/selftests/net/skf_net_off.c, line 66
• tools/testing/selftests/net/tun.c, line 160