87 static int join(int sock, struct sockaddr_in *sin);
103 static int sendmcastif(int s, char *packet, int packetlen, struct sockaddr_in *sin, struct interfac…
222 static __inline__ int isbroadcast(struct sockaddr_in *sin)  in isbroadcast()  argument
224 	return (sin->sin_addr.s_addr == INADDR_BROADCAST);  in isbroadcast()
227 static __inline__ int ismulticast(struct sockaddr_in *sin)  in ismulticast()  argument
229 	return IN_CLASSD(ntohl(sin->sin_addr.s_addr));  in ismulticast()
540 solicitor(struct sockaddr_in *sin)  in solicitor()  argument
548 			 pr_name(sin->sin_addr));  in solicitor()
559 	if (isbroadcast(sin))  in solicitor()
561 	else if (ismulticast(sin))  in solicitor()
562 		i = sendmcast(s, (char *)outpack, packetlen, sin);  in solicitor()
565 			   (struct sockaddr *)sin, sizeof(struct sockaddr));  in solicitor()
584 advertise(struct sockaddr_in *sin, int lft)  in advertise()  argument
593 			 pr_name(sin->sin_addr));  in advertise()
619 		if (isbroadcast(sin))  in advertise()
622 		else if (ismulticast(sin))  in advertise()
623 			cc = sendmcastif( s, (char *)outpack, packetlen, sin,  in advertise()
631 			if ((sin->sin_addr.s_addr & ifp->netmask.s_addr) ==  in advertise()
635 						 pr_name(sin->sin_addr));  in advertise()
641 					    (struct sockaddr *)sin,  in advertise()
832 		struct sockaddr_in sin;  in pr_pack()  local
874 		sin.sin_family = AF_INET;  in pr_pack()
880 				sin.sin_addr.s_addr = htonl(0xe0000001);  in pr_pack()
882 				sin.sin_addr.s_addr = INADDR_BROADCAST;  in pr_pack()
888 			sin.sin_addr.s_addr = ip->saddr;  in pr_pack()
889 			if (!is_directly_connected(sin.sin_addr)) {  in pr_pack()
899 		advertise(&sin, lifetime);  in pr_pack()
1039 sendmcast(int s, char *packet, int packetlen, struct sockaddr_in *sin)  in sendmcast()  argument
1046 		cc = sendmcastif(s, packet, packetlen, sin, &interfaces[i]);  in sendmcast()
1055 sendmcastif(int s, char *packet, int packetlen,	struct sockaddr_in *sin,  in sendmcastif()  argument
1078 		    (struct sockaddr *)sin, sizeof (struct sockaddr));  in sendmcastif()
1106 	struct sockaddr_in *sin;  in initifs()  local
1170 		sin = (struct sockaddr_in *)ALLIGN(&ifr->ifr_addr);  in initifs()
1171 		interfaces[i].localaddr = sin->sin_addr;  in initifs()
1184 			sin = (struct sockaddr_in *)ALLIGN(&ifreq.ifr_addr);  in initifs()
1186 			interfaces[i].address = sin->sin_addr;  in initifs()
1187 			interfaces[i].remoteaddr = sin->sin_addr;  in initifs()
1189 			interfaces[i].bcastaddr = sin->sin_addr;  in initifs()
1199 			sin = (struct sockaddr_in *)ALLIGN(&ifreq.ifr_addr);  in initifs()
1200 			interfaces[i].netmask = sin->sin_addr;  in initifs()
1206 				sin = (struct sockaddr_in *)ALLIGN(&ifreq.ifr_addr);  in initifs()
1207 				interfaces[i].bcastaddr = sin->sin_addr;  in initifs()
1228 join(int sock, struct sockaddr_in *sin)  in join()  argument
1236 	if (isbroadcast(sin))  in join()
1239 	mreq.imr_multiaddr = sin->sin_addr;  in join()
1494 	struct sockaddr_in *sin;  in rtioctl()  local
1500 	sin = (struct sockaddr_in *)ALLIGN(&rt.rt_gateway);  in rtioctl()
1501 	sin->sin_addr = addr;  in rtioctl()