Defined in 1 files as a macro:

• include/uapi/linux/ip.h, line 66 (as a macro)

Referenced in 6 files:

• drivers/net/amt.c, line 511
• net/bridge/br_multicast.c, line 880
• net/ipv4/ah4.c, line 102
• net/ipv4/igmp.c
  • line 401
  • line 781
• net/ipv4/ip_options.c, line 422
• net/netfilter/nft_exthdr.c
  • line 121
  • line 552