sys/net/rtsock.c

191 static void	rt_setmetrics(const struct rt_msghdr *rtm, struct rtentry *rt);
553 	struct rt_msghdr *rtm = NULL;
574 	if (len < sizeof(*rtm) ||
579 	R_Malloc(rtm, struct rt_msghdr *, len);
580 	if (rtm == NULL) {
584 	m_copydata(m, 0, len, (caddr_t)rtm);
585 	if (rtm->rtm_version != RTM_VERSION) {
589 	rtm->rtm_pid = curproc->p_pid;
591 	info.rti_addrs = rtm->rtm_addrs;
597 	if (rt_xaddrs((caddr_t)(rtm + 1), len + (caddr_t)rtm, &info)) {
601 	info.rti_flags = rtm->rtm_flags;
612 	if (rtm->rtm_type != RTM_GET) {
653 	switch (rtm->rtm_type) {
663 		    (rtm->rtm_flags & RTF_LLDATA) != 0) {
664 			error = lla_rt_output(rtm, &info);
678 			rt_setmetrics(rtm, saved_nrt);
679 			rtm->rtm_index = saved_nrt->rt_ifp->if_index;
690 		    (rtm->rtm_flags & RTF_LLDATA) != 0) {
691 			error = lla_rt_output(rtm, &info);
722 		    rtm->rtm_type == RTM_GET) {
749 		    (rtm->rtm_type != RTM_GET || info.rti_info[RTAX_GATEWAY])) {
763 		if (rtm->rtm_flags & RTF_ANNOUNCE) {
792 		switch(rtm->rtm_type) {
808 			if (rtm->rtm_addrs & (RTA_IFP | RTA_IFA)) {
822 					rtm->rtm_index = ifp->if_index;
828 				rtm->rtm_index = ifp->if_index;
830 			len = rt_msg2(rtm->rtm_type, &info, NULL, NULL);
831 			if (len > rtm->rtm_msglen) {
838 				bcopy(rtm, new_rtm, rtm->rtm_msglen);
839 				Free(rtm); rtm = new_rtm;
841 			(void)rt_msg2(rtm->rtm_type, &info, (caddr_t)rtm, NULL);
843 				rtm->rtm_flags = RTF_GATEWAY |
846 				rtm->rtm_flags = rt->rt_flags;
847 			rt_getmetrics(rt, &rtm->rtm_rmx);
848 			rtm->rtm_addrs = info.rti_addrs;
909 				    (rtm->rtm_flags & RTF_FMASK);
910 			rt_setmetrics(rtm, rt);
911 			rtm->rtm_index = rt->rt_ifp->if_index;
927 	if (rtm) {
929 			rtm->rtm_errno = error;
931 			rtm->rtm_flags |= RTF_DONE;
942 			if (rtm)
943 				Free(rtm);
950 	if (rtm) {
953 			/* sin6_scope_id is recovered before sending rtm. */
967 		m_copyback(m, 0, rtm->rtm_msglen, (caddr_t)rtm);
968 		if (m->m_pkthdr.len < rtm->rtm_msglen) {
971 		} else if (m->m_pkthdr.len > rtm->rtm_msglen)
972 			m_adj(m, rtm->rtm_msglen - m->m_pkthdr.len);
989 	/* info.rti_info[RTAX_DST] (used above) can point inside of rtm */
990 	if (rtm)
991 		Free(rtm);
998 rt_setmetrics(const struct rt_msghdr *rtm, struct rtentry *rt)
1001 	if (rtm->rtm_inits & RTV_MTU)
1002 		rt->rt_mtu = rtm->rtm_rmx.rmx_mtu;
1003 	if (rtm->rtm_inits & RTV_WEIGHT)
1004 		rt->rt_weight = rtm->rtm_rmx.rmx_weight;
1006 	if (rtm->rtm_inits & RTV_EXPIRE)
1007 		rt->rt_expire = rtm->rtm_rmx.rmx_expire ?
1008 		    rtm->rtm_rmx.rmx_expire - time_second + time_uptime : 0;
1073 	struct rt_msghdr *rtm;
1118 	rtm = mtod(m, struct rt_msghdr *);
1119 	bzero((caddr_t)rtm, len);
1140 	rtm->rtm_msglen = len;
1141 	rtm->rtm_version = RTM_VERSION;
1142 	rtm->rtm_type = type;
1245 		struct rt_msghdr *rtm = (struct rt_msghdr *)cp0;
1247 		rtm->rtm_version = RTM_VERSION;
1248 		rtm->rtm_type = type;
1249 		rtm->rtm_msglen = len;
1264 	struct rt_msghdr *rtm;
1281 	rtm = mtod(m, struct rt_msghdr *);
1282 	rtm->rtm_flags = RTF_DONE | flags;
1283 	rtm->rtm_errno = error;
1284 	rtm->rtm_addrs = rtinfo->rti_addrs;
1382 	struct rt_msghdr *rtm;
1393 	rtm = mtod(m, struct rt_msghdr *);
1394 	rtm->rtm_index = ifp->if_index;
1395 	rtm->rtm_flags |= rt->rt_flags;
1396 	rtm->rtm_errno = error;
1397 	rtm->rtm_addrs = info.rti_addrs;
1581 		struct rt_msghdr *rtm = (struct rt_msghdr *)w->w_tmem;
1584 			rtm->rtm_flags = RTF_GATEWAY |
1587 			rtm->rtm_flags = rt->rt_flags;
1588 		rt_getmetrics(rt, &rtm->rtm_rmx);
1589 		rtm->rtm_index = rt->rt_ifp->if_index;
1590 		rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0;
1591 		rtm->rtm_addrs = info.rti_addrs;
1592 		error = SYSCTL_OUT(w->w_req, (caddr_t)rtm, size);