Defined in 1 files as a macro:

• include/net/ip_tunnels.h, line 28 (as a macro)

Referenced in 4 files:

• net/ipv4/ip_gre.c, line 203
• net/ipv4/ip_tunnel.c, line 771
• net/ipv4/ipip.c, line 190
• net/ipv6/sit.c
  • line 596
  • line 999