Defined in 1 files as a macro:

• include/uapi/linux/ip.h, line 22 (as a macro)

Referenced in 6 files:

• include/net/route.h, line 228
• include/uapi/linux/in_route.h, line 30
• include/uapi/linux/ip.h, line 23
• net/ipv4/fib_rules.c, line 188
• net/ipv4/icmp.c, line 679
• net/ipv4/netfilter/nf_log_ipv4.c, line 64