Defined in 3 files as a macro:

• include/uapi/linux/in6.h, line 201 (as a macro)
• tools/testing/selftests/net/ipv6_flowlabel.c, line 31 (as a macro)
• tools/testing/selftests/net/ipv6_flowlabel_mgr.c, line 25 (as a macro)

Referenced in 4 files:

• net/ipv6/ipv6_sockglue.c
  • line 927
  • line 1353
• net/mptcp/sockopt.c, line 524
• tools/testing/selftests/net/ipv6_flowlabel.c
  • line 30
  • line 188
• tools/testing/selftests/net/ipv6_flowlabel_mgr.c
  • line 24
  • line 61
  • line 71