Defined in 1 files as a macro:

• include/uapi/linux/in6.h, line 287 (as a macro)

Referenced in 3 files:

• net/ipv6/ipv6_sockglue.c
  • line 646
  • line 1327
• net/mptcp/sockopt.c, line 431
• tools/testing/selftests/bpf/prog_tests/sk_lookup.c, line 168