Defined in 1 files as a macro:

• include/uapi/linux/if_tunnel.h, line 28 (as a macro)

Referenced in 9 files:

• drivers/net/ppp/pptp.c, line 203
• include/net/gre.h
  • line 75
  • line 98
• include/uapi/linux/if_tunnel.h, line 38
• net/core/flow_dissector.c, line 579
• net/ipv4/gre_demux.c, line 104
• net/ipv4/ip_gre.c, line 1093
• net/ipv6/ip6_gre.c, line 1683
• samples/bpf/sockex2_kern.c, line 148
• samples/bpf/sockex3_kern.c, line 165