Enumerator at include/uapi/linux/in.h, line 76 References: drivers/net/ethernet/realtek/r8169.c, line 7120 drivers/net/usb/r8152.c, line 1616 include/net/netfilter/nf_conntrack_l4proto.h, line 161 include/uapi/linux/in.h, line 76 include/uapi/linux/in.h, line 77 include/uapi/linux/in.h, line 77 net/ipv4/af_inet.c, line 333 net/ipv4/ip_sockglue.c, line 349 net/ipv4/raw.c, line 612 net/ipv4/raw_diag.c, line 224 net/ipv4/route.c, line 541 net/ipv4/route.c, line 575 net/ipv6/af_inet6.c, line 198 net/ipv6/ip6_output.c, line 1340 net/ipv6/ipv6_sockglue.c, line 67 net/ipv6/raw.c, line 1216 net/ipv6/xfrm6_output.c, line 40 tools/testing/selftests/networking/timestamping/txtimestamp.c, line 284 tools/testing/selftests/networking/timestamping/txtimestamp.c, line 340 tools/testing/selftests/networking/timestamping/txtimestamp.c, line 434