Defined in 1 files as a macro:

• include/uapi/linux/if_tunnel.h, line 27 (as a macro)

Referenced in 10 files:

• drivers/net/ppp/pptp.c, line 203
• include/net/gre.h
  • line 73
  • line 96
• include/uapi/linux/if_tunnel.h, line 37
• net/ipv4/gre_demux.c, line 96
• net/ipv4/gre_offload.c
  • line 139
  • line 159
  • line 202
  • line 239
• net/ipv4/ip_vti.c
  • line 364
  • line 366
  • line 376
  • line 377
• net/ipv6/ip6_vti.c
  • line 727
  • line 729
• net/xfrm/xfrm_policy.c, line 3359
• samples/bpf/sockex2_kern.c, line 145
• samples/bpf/sockex3_kern.c, line 162