Extern or forward variable declaration at include/net/ip6_route.h, line 191 References: drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c, line 431 drivers/net/gtp.c, line 1249 drivers/net/vxlan.c, line 1216 include/net/ip6_route.h, line 191 include/net/ip6_route.h, line 195 net/core/fib_rules.c, line 1045 net/core/fib_rules.c, line 1098 net/ipv4/fou.c, line 891 net/ipv4/ipmr.c, line 2597 net/ipv4/ipmr.c, line 2833 net/ipv4/route.c, line 2913 net/ipv4/route.c, line 2957 net/ipv6/addrconf.c, line 701 net/ipv6/addrconf.c, line 5003 net/ipv6/addrconf.c, line 5066 net/ipv6/addrconf.c, line 5119 net/ipv6/addrconf.c, line 5199 net/ipv6/addrconf.c, line 5206 net/ipv6/addrconf.c, line 5214 net/ipv6/addrconf.c, line 5809 net/ipv6/ip6_fib.c, line 513 net/ipv6/ip6_fib.c, line 530 net/ipv6/ip6_fib.c, line 537 net/ipv6/ip6_fib.c, line 581 net/ipv6/ip6mr.c, line 94 net/ipv6/ip6mr.c, line 2486 net/mpls/af_mpls.c, line 1300 net/mpls/af_mpls.c, line 2076 net/mpls/af_mpls.c, line 2083 net/mpls/af_mpls.c, line 2155 net/netfilter/ipvs/ip_vs_ctl.c, line 3088 net/netfilter/ipvs/ip_vs_ctl.c, line 3110 net/netfilter/ipvs/ip_vs_ctl.c, line 3299 net/netfilter/ipvs/ip_vs_ctl.c, line 3321 net/netfilter/ipvs/ip_vs_ctl.c, line 3464 net/netfilter/ipvs/ip_vs_ctl.c, line 3485 net/openvswitch/datapath.c, line 1394 net/openvswitch/datapath.c, line 1859 net/openvswitch/datapath.c, line 2299 net/sched/act_tunnel_key.c, line 776 net/sched/cls_api.c, line 2430 net/sched/cls_api.c, line 2448 net/sched/cls_api.c, line 2508 net/sched/cls_api.c, line 2894 net/sctp/diag.c, line 223 net/sctp/diag.c, line 305 net/sctp/diag.c, line 377 net/sctp/diag.c, line 472 net/tipc/udp_media.c, line 442