Defined in 2 files as a macro:

• include/uapi/linux/netlink.h, line 21 (as a macro)
• tools/include/uapi/linux/netlink.h, line 21 (as a macro)

Referenced in 5 files:

• net/netfilter/nfnetlink.c
  • line 35
  • line 603
• net/netfilter/nfnetlink_log.c, line 823
• net/netfilter/nfnetlink_queue.c, line 972
• net/netlink/af_netlink.c, line 265
• tools/testing/selftests/netfilter/nf-queue.c, line 216