Differential D19111 Diff 55041 sys/netinet6/in6_mcast.c

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sys/netinet6/in6_mcast.c

Show First 20 Lines • Show All 1,264 Lines • ▼ Show 20 Lines	#endif
*/		*/
KASSERT(IN6_IS_ADDR_MULTICAST(mcaddr),		KASSERT(IN6_IS_ADDR_MULTICAST(mcaddr),
("%s: not a multicast address", __func__));		("%s: not a multicast address", __func__));
if (IN6_IS_ADDR_MC_LINKLOCAL(mcaddr) \|\|		if (IN6_IS_ADDR_MC_LINKLOCAL(mcaddr) \|\|
IN6_IS_ADDR_MC_INTFACELOCAL(mcaddr)) {		IN6_IS_ADDR_MC_INTFACELOCAL(mcaddr)) {
KASSERT(mcaddr->s6_addr16[1] != 0,		KASSERT(mcaddr->s6_addr16[1] != 0,
("%s: scope zone ID not set", __func__));		("%s: scope zone ID not set", __func__));
}		}

IN6_MULTI_LOCK_ASSERT();		IN6_MULTI_LOCK_ASSERT();
IN6_MULTI_LIST_UNLOCK_ASSERT();		IN6_MULTI_LIST_UNLOCK_ASSERT();

CTR4(KTR_MLD, "%s: join %s on %p(%s))", __func__,		CTR4(KTR_MLD, "%s: join %s on %p(%s))", __func__,
ip6_sprintf(ip6tbuf, mcaddr), ifp, if_name(ifp));		ip6_sprintf(ip6tbuf, mcaddr), ifp, if_name(ifp));

error = 0;		error = 0;
inm = NULL;		inm = NULL;
▲ Show 20 Lines • Show All 1,570 Lines • ▼ Show 20 Lines	#endif

memcpy(&mcaddr, &name[1], sizeof(struct in6_addr));		memcpy(&mcaddr, &name[1], sizeof(struct in6_addr));
if (!IN6_IS_ADDR_MULTICAST(&mcaddr)) {		if (!IN6_IS_ADDR_MULTICAST(&mcaddr)) {
CTR2(KTR_MLD, "%s: group %s is not multicast",		CTR2(KTR_MLD, "%s: group %s is not multicast",
__func__, ip6_sprintf(ip6tbuf, &mcaddr));		__func__, ip6_sprintf(ip6tbuf, &mcaddr));
return (EINVAL);		return (EINVAL);
}		}

		NET_EPOCH_ENTER(et);
ifp = ifnet_byindex(ifindex);		ifp = ifnet_byindex(ifindex);
if (ifp == NULL) {		if (ifp == NULL) {
		NET_EPOCH_EXIT(et);
CTR2(KTR_MLD, "%s: no ifp for ifindex %u",		CTR2(KTR_MLD, "%s: no ifp for ifindex %u",
__func__, ifindex);		__func__, ifindex);
return (ENOENT);		return (ENOENT);
}		}
/*		/*
* Internal MLD lookups require that scope/zone ID is set.		* Internal MLD lookups require that scope/zone ID is set.
*/		*/
(void)in6_setscope(&mcaddr, ifp, NULL);		(void)in6_setscope(&mcaddr, ifp, NULL);

retval = sysctl_wire_old_buffer(req,		retval = sysctl_wire_old_buffer(req,
sizeof(uint32_t) + (in6_mcast_maxgrpsrc * sizeof(struct in6_addr)));		sizeof(uint32_t) + (in6_mcast_maxgrpsrc * sizeof(struct in6_addr)));
if (retval)		if (retval) {
		NET_EPOCH_EXIT(et);
return (retval);		return (retval);
		}

IN6_MULTI_LOCK();		IN6_MULTI_LOCK();
IN6_MULTI_LIST_LOCK();		IN6_MULTI_LIST_LOCK();
NET_EPOCH_ENTER(et);
CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {		CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
inm = in6m_ifmultiaddr_get_inm(ifma);		inm = in6m_ifmultiaddr_get_inm(ifma);
if (inm == NULL)		if (inm == NULL)
continue;		continue;
if (!IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, &mcaddr))		if (!IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, &mcaddr))
continue;		continue;
fmode = inm->in6m_st[1].iss_fmode;		fmode = inm->in6m_st[1].iss_fmode;
retval = SYSCTL_OUT(req, &fmode, sizeof(uint32_t));		retval = SYSCTL_OUT(req, &fmode, sizeof(uint32_t));
Show All 11 Lines	RB_FOREACH(ims, ip6_msource_tree, &inm->in6m_srcs) {
}		}
src = ims->im6s_addr;		src = ims->im6s_addr;
retval = SYSCTL_OUT(req, &src,		retval = SYSCTL_OUT(req, &src,
sizeof(struct in6_addr));		sizeof(struct in6_addr));
if (retval != 0)		if (retval != 0)
break;		break;
}		}
}		}
NET_EPOCH_EXIT(et);

IN6_MULTI_LIST_UNLOCK();		IN6_MULTI_LIST_UNLOCK();
IN6_MULTI_UNLOCK();		IN6_MULTI_UNLOCK();
		NET_EPOCH_EXIT(et);

return (retval);		return (retval);
}		}

#ifdef KTR		#ifdef KTR

static const char *in6m_modestrs[] = { "un", "in", "ex" };		static const char *in6m_modestrs[] = { "un", "in", "ex" };

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