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 513
• net/bridge/br_multicast.c, line 999
• net/ipv4/ah4.c, line 99
• net/ipv4/igmp.c
  • line 434
  • line 814
• net/ipv4/ip_options.c, line 422
• net/netfilter/nft_exthdr.c
  • line 127
  • line 634