IPV6_V6ONLY 30 net/ipv6/ip6_udp_tunnel.c err = kernel_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, IPV6_V6ONLY 260 net/ipv6/ipv6_sockglue.c case IPV6_V6ONLY: IPV6_V6ONLY 1138 net/ipv6/ipv6_sockglue.c case IPV6_V6ONLY: IPV6_V6ONLY 1444 net/sunrpc/svcsock.c kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY, IPV6_V6ONLY 56 tools/testing/selftests/net/reuseaddr_conflict.c if (ipv6 && setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&v6only, IPV6_V6ONLY 251 tools/usb/usbip/src/usbip_network.c ret = setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &val, sizeof(val));