Defined in 2 files as a macro:

• include/uapi/linux/in6.h, line 272 (as a macro)
• tools/testing/selftests/bpf/progs/bpf_tracing_net.h, line 38 (as a macro)

Referenced in 4 files:

• net/core/filter.c, line 5674
• net/ipv6/ipv6_sockglue.c
  • line 458
  • line 1412
• net/mptcp/sockopt.c, line 527
• tools/testing/selftests/bpf/progs/setget_sockopt.c, line 78