Defined in 1 files as a macro:

• include/uapi/linux/if_arp.h, line 76 (as a macro)

Referenced in 4 files:

• net/core/dev.c, line 423
• net/ipv4/ipmr.c, line 530
• net/ipv6/ip6mr.c, line 635
• net/ipv6/route.c, line 2277