Defined in 1 files as a macro:

• include/uapi/linux/if_tunnel.h, line 33 (as a macro)

Referenced in 13 files:

• include/net/gre.h
  • line 81
  • line 104
• net/core/flow_dissector.c, line 651
• net/ipv4/gre_demux.c, line 73
• net/ipv4/ip_gre.c
  • line 796
  • line 1053
• net/ipv6/ip6_gre.c
  • line 1306
  • line 1667
• net/netfilter/nf_conntrack_proto_gre.c, line 162
• net/netfilter/nf_flow_table_ip.c
  • line 227
  • line 622
• net/netfilter/nf_nat_proto.c, line 300
• net/netfilter/nft_payload.c, line 113
• net/sched/act_ct.c
  • line 561
  • line 630
• samples/bpf/sockex2_kern.c, line 139
• samples/bpf/sockex3_kern.c, line 124
• tools/testing/selftests/bpf/progs/bpf_flow.c, line 198