165 	if (ctx->nd_fd != -1)  in ipv6nd_open()
166 		return ctx->nd_fd;  in ipv6nd_open()
168 	ctx->nd_fd = socket(PF_INET6, SOCK_RAW | SOCK_CLOEXEC | SOCK_NONBLOCK,  in ipv6nd_open()
170 	if (ctx->nd_fd == -1)  in ipv6nd_open()
173 	if ((ctx->nd_fd = socket(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6)) == -1)  in ipv6nd_open()
175 	if ((on = fcntl(ctx->nd_fd, F_GETFD, 0)) == -1 ||  in ipv6nd_open()
176 	    fcntl(ctx->nd_fd, F_SETFD, on | FD_CLOEXEC) == -1)  in ipv6nd_open()
178 		close(ctx->nd_fd);  in ipv6nd_open()
179 		ctx->nd_fd = -1;  in ipv6nd_open()
182 	if ((on = fcntl(ctx->nd_fd, F_GETFL, 0)) == -1 ||  in ipv6nd_open()
183 	    fcntl(ctx->nd_fd, F_SETFL, on | O_NONBLOCK) == -1)  in ipv6nd_open()
185 		close(ctx->nd_fd);  in ipv6nd_open()
186 		ctx->nd_fd = -1;  in ipv6nd_open()
193 	if (setsockopt(ctx->nd_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,  in ipv6nd_open()
198 	if (setsockopt(ctx->nd_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO,  in ipv6nd_open()
203 	if (setsockopt(ctx->nd_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT,  in ipv6nd_open()
210 	if (setsockopt(ctx->nd_fd, IPPROTO_ICMPV6, ICMP6_FILTER,  in ipv6nd_open()
214 	eloop_event_add(dctx->eloop, ctx->nd_fd,  in ipv6nd_open()
216 	return ctx->nd_fd;  in ipv6nd_open()
219 	if (ctx->nd_fd != -1) {  in ipv6nd_open()
220 		eloop_event_delete(dctx->eloop, ctx->nd_fd, 0);  in ipv6nd_open()
221 		close(ctx->nd_fd);  in ipv6nd_open()
222 		ctx->nd_fd = -1;  in ipv6nd_open()
300 	if (sendmsg(ctx->nd_fd, &ctx->sndhdr, 0) == -1) {  in ipv6nd_sendrsprobe()
479 		if (ctx->ipv6->nd_fd != -1) {  in ipv6nd_free()
480 			eloop_event_delete(ctx->eloop, ctx->ipv6->nd_fd, 0);  in ipv6nd_free()
481 			close(ctx->ipv6->nd_fd);  in ipv6nd_free()
482 			ctx->ipv6->nd_fd = -1;  in ipv6nd_free()
1643 	len = recvmsg(ctx->nd_fd, &ctx->rcvhdr, 0);  in ipv6nd_handledata()
1646 		eloop_event_delete(dctx->eloop, ctx->nd_fd, 0);  in ipv6nd_handledata()
1647 		close(ctx->nd_fd);  in ipv6nd_handledata()
1648 		ctx->nd_fd = -1;  in ipv6nd_handledata()