37 	int			 fd, domain, proto;  in ldp_create_socket()  local
56 	fd = socket(af, domain | SOCK_NONBLOCK | SOCK_CLOEXEC, proto);  in ldp_create_socket()
57 	if (fd == -1) {  in ldp_create_socket()
75 		if (sock_set_bindany(fd, 1) == -1) {  in ldp_create_socket()
76 			close(fd);  in ldp_create_socket()
81 	if (sock_set_reuse(fd, 1) == -1) {  in ldp_create_socket()
82 		close(fd);  in ldp_create_socket()
85 	if (bind(fd, (struct sockaddr *)&local_sa, local_sa.ss_len) == -1) {  in ldp_create_socket()
87 		close(fd);  in ldp_create_socket()
94 		if (sock_set_ipv4_tos(fd, IPTOS_PREC_INTERNETCONTROL) == -1) {  in ldp_create_socket()
95 			close(fd);  in ldp_create_socket()
99 			if (sock_set_ipv4_mcast_ttl(fd,  in ldp_create_socket()
101 				close(fd);  in ldp_create_socket()
104 			if (sock_set_ipv4_mcast_loop(fd) == -1) {  in ldp_create_socket()
105 				close(fd);  in ldp_create_socket()
110 			if (sock_set_ipv4_recvif(fd, 1) == -1) {  in ldp_create_socket()
111 				close(fd);  in ldp_create_socket()
116 			if (sock_set_ipv4_ucast_ttl(fd, 255) == -1) {  in ldp_create_socket()
117 				close(fd);  in ldp_create_socket()
123 		if (sock_set_ipv6_dscp(fd, IPTOS_PREC_INTERNETCONTROL) == -1) {  in ldp_create_socket()
124 			close(fd);  in ldp_create_socket()
128 			if (sock_set_ipv6_mcast_loop(fd) == -1) {  in ldp_create_socket()
129 				close(fd);  in ldp_create_socket()
132 			if (sock_set_ipv6_mcast_hops(fd, 255) == -1) {  in ldp_create_socket()
133 				close(fd);  in ldp_create_socket()
137 				if (sock_set_ipv6_minhopcount(fd, 255) == -1) {  in ldp_create_socket()
138 					close(fd);  in ldp_create_socket()
144 			if (sock_set_ipv6_pktinfo(fd, 1) == -1) {  in ldp_create_socket()
145 				close(fd);  in ldp_create_socket()
150 			if (sock_set_ipv6_ucast_hops(fd, 255) == -1) {  in ldp_create_socket()
151 				close(fd);  in ldp_create_socket()
160 		sock_set_recvbuf(fd);  in ldp_create_socket()
163 		if (listen(fd, LDP_BACKLOG) == -1)  in ldp_create_socket()
167 		if (setsockopt(fd, IPPROTO_TCP, TCP_MD5SIG, &opt,  in ldp_create_socket()
173 				close(fd);  in ldp_create_socket()
180 	return (fd);  in ldp_create_socket()
184 sock_set_recvbuf(int fd)  in sock_set_recvbuf()  argument
189 	while (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &bsize,  in sock_set_recvbuf()
195 sock_set_reuse(int fd, int enable)  in sock_set_reuse()  argument
197 	if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &enable,  in sock_set_reuse()
207 sock_set_bindany(int fd, int enable)  in sock_set_bindany()  argument
209 	if (setsockopt(fd, SOL_SOCKET, SO_BINDANY, &enable,  in sock_set_bindany()
219 sock_set_ipv4_tos(int fd, int tos)  in sock_set_ipv4_tos()  argument
221 	if (setsockopt(fd, IPPROTO_IP, IP_TOS, (int *)&tos, sizeof(tos)) == -1) {  in sock_set_ipv4_tos()
230 sock_set_ipv4_recvif(int fd, int enable)  in sock_set_ipv4_recvif()  argument
232 	if (setsockopt(fd, IPPROTO_IP, IP_RECVIF, &enable,  in sock_set_ipv4_recvif()
241 sock_set_ipv4_minttl(int fd, int ttl)  in sock_set_ipv4_minttl()  argument
243 	if (setsockopt(fd, IPPROTO_IP, IP_MINTTL, &ttl, sizeof(ttl)) == -1) {  in sock_set_ipv4_minttl()
252 sock_set_ipv4_ucast_ttl(int fd, int ttl)  in sock_set_ipv4_ucast_ttl()  argument
254 	if (setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl)) == -1) {  in sock_set_ipv4_ucast_ttl()
263 sock_set_ipv4_mcast_ttl(int fd, uint8_t ttl)  in sock_set_ipv4_mcast_ttl()  argument
265 	if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL,  in sock_set_ipv4_mcast_ttl()
293 sock_set_ipv4_mcast_loop(int fd)  in sock_set_ipv4_mcast_loop()  argument
297 	if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,  in sock_set_ipv4_mcast_loop()
307 sock_set_ipv6_dscp(int fd, int dscp)  in sock_set_ipv6_dscp()  argument
309 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS, &dscp,  in sock_set_ipv6_dscp()
319 sock_set_ipv6_pktinfo(int fd, int enable)  in sock_set_ipv6_pktinfo()  argument
321 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &enable,  in sock_set_ipv6_pktinfo()
331 sock_set_ipv6_minhopcount(int fd, int hoplimit)  in sock_set_ipv6_minhopcount()  argument
333 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_MINHOPCOUNT,  in sock_set_ipv6_minhopcount()
343 sock_set_ipv6_ucast_hops(int fd, int hoplimit)  in sock_set_ipv6_ucast_hops()  argument
345 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS,  in sock_set_ipv6_ucast_hops()
355 sock_set_ipv6_mcast_hops(int fd, int hoplimit)  in sock_set_ipv6_mcast_hops()  argument
357 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,  in sock_set_ipv6_mcast_hops()
380 sock_set_ipv6_mcast_loop(int fd)  in sock_set_ipv6_mcast_loop()  argument
384 	if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,  in sock_set_ipv6_mcast_loop()