Defined in 1 files as a macro:

• include/uapi/linux/in6.h, line 292 (as a macro)

Referenced in 3 files:

• net/ipv6/ipv6_sockglue.c
  • line 761
  • line 1294
• net/mptcp/sockopt.c
  • line 407
  • line 431
  • line 516
  • line 1494
• tools/testing/selftests/net/nettest.c, line 537