Defined in 2 files as a macro:

• sys/netinet/ip_private.h, line 47 (as a macro)
• sys/netinet/ip_private.h, line 49 (as a macro)

Referenced in 5 files:

• sys/net/if_bridge.c, line 2761
• sys/netinet/in_l2tp.c, line 200
• sys/netinet/ip_flow.c
  • line 233
  • line 317
• sys/netinet/ip_input.c, line 448
• sys/netinet6/in6_l2tp.c, line 195