Cross Reference: /src/usr.sbin/mrouted/igmp.c

Lines Matching defs:igmp
1 /*	$NetBSD: igmp.c,v 1.14 2009/04/17 16:05:43 lukem Exp $	*/
26 u_int32_t	dvmrp_genid;		     /* IGMP generation id          */
36  * Open and initialize the igmp socket, and fill in the non-changing
49 	logit(LOG_ERR, errno, "IGMP socket");
113 	case IGMP_MTRACE_QUERY:			return "IGMP trace query  ";
114 	case IGMP_MTRACE_REPLY:			return "IGMP trace reply  ";
115 	default:			    	return "unknown IGMP msg  ";
120  * Process a newly received IGMP packet that is sitting in the input
128     struct igmp *igmp;
163     igmp        = (struct igmp *)(recv_buf + iphdrlen);
164     group       = igmp->igmp_group.s_addr;
168 	    "received IP data field too short (%u bytes) for IGMP, from %s",
174 	packet_kind(igmp->igmp_type, igmp->igmp_code),
177     switch (igmp->igmp_type) {
180 	    accept_membership_query(src, dst, group, igmp->igmp_code);
185 	    accept_group_report(src, dst, group, igmp->igmp_type);
195 	    switch (igmp->igmp_code) {
198 				 (char *)(igmp+1), igmpdatalen, group);
203 				  (char *)(igmp+1), igmpdatalen, group);
215 		    accept_neighbors(src, dst, (u_char *)(igmp+1), igmpdatalen,
220 		    accept_neighbors2(src, dst, (u_char *)(igmp+1), igmpdatalen,
225 		    accept_prune(src, dst, (char *)(igmp+1), igmpdatalen);
229 		    accept_graft(src, dst, (char *)(igmp+1), igmpdatalen);
233 		    accept_g_ack(src, dst, (char *)(igmp+1), igmpdatalen);
237 		    accept_info_request(src, dst, (u_char *)(igmp+1),
242 		    accept_info_reply(src, dst, (u_char *)(igmp+1), igmpdatalen);
248 		     igmp->igmp_code, inet_fmt(src),
260 	    accept_mtrace(src, dst, group, (char *)(igmp+1),
261 		   igmp->igmp_code, igmpdatalen);
266 		"ignoring unknown IGMP message type %x from %s to %s",
267 		igmp->igmp_type, inet_fmt(src),
274  * Some IGMP messages are more important than others.  This routine
297  * Construct an IGMP message in the output packet buffer.  The caller may
307     struct igmp *igmp;
316     igmp                    = (struct igmp *)(send_buf + MIN_IP_HEADER_LEN);
317     igmp->igmp_type         = type;
318     igmp->igmp_code         = code;
319     igmp->igmp_group.s_addr = group;
320     igmp->igmp_cksum        = 0;
321     igmp->igmp_cksum        = inet_cksum((u_int16_t *)igmp,
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