Defined in 1 files as a macro:

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

Referenced in 7 files:

• drivers/net/ppp/pptp.c, line 209
• include/net/gre.h
  • line 62
  • line 85
• include/uapi/linux/if_tunnel.h, line 37
• net/core/flow_dissector.c, line 441
• net/ipv4/gre_demux.c, line 105
• samples/bpf/sockex2_kern.c, line 146
• samples/bpf/sockex3_kern.c, line 164