Defined in 1 files as a macro:

• include/uapi/linux/in.h, line 138 (as a macro)

Referenced in 8 files:

• include/net/ip.h
  • line 442
  • line 464
• net/ipv4/ip_output.c, line 1438
• net/ipv4/tcp_ipv4.c, line 3666
• net/rxrpc/local_object.c, line 45
• net/sctp/protocol.c, line 1055
• tools/testing/selftests/net/tun.c, line 301
• tools/testing/selftests/net/udpgso.c, line 325
• tools/testing/selftests/net/udpgso_bench_tx.c, line 557