Defined in 1 files as a macro:

• include/uapi/linux/icmp.h, line 45 (as a macro)

Referenced in 5 files:

• net/ipv4/icmp.c, line 838
• net/ipv4/ip_forward.c, line 165
• net/ipv4/ip_gre.c, line 166
• net/ipv4/ipip.c, line 148
• net/ipv6/sit.c, line 503