Differential D14969 Diff 42075 head/sys/netinet6/in6_ifattach.c

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head/sys/netinet6/in6_ifattach.c

Show First 20 Lines • Show All 840 Lines • ▼ Show 20 Lines	in6_tmpaddrtimer(void *arg)
}		}

CURVNET_RESTORE();		CURVNET_RESTORE();
}		}

static void		static void
in6_purgemaddrs(struct ifnet *ifp)		in6_purgemaddrs(struct ifnet *ifp)
{		{
LIST_HEAD(,in6_multi) purgeinms;		struct in6_multi_head purgeinms;
struct in6_multi inm, tinm;		struct in6_multi *inm;
struct ifmultiaddr *ifma;		struct ifmultiaddr *ifma;

LIST_INIT(&purgeinms);		SLIST_INIT(&purgeinms);
IN6_MULTI_LOCK();		IN6_MULTI_LOCK();
		IN6_MULTI_LIST_LOCK();
/*		/*
* Extract list of in6_multi associated with the detaching ifp		* Extract list of in6_multi associated with the detaching ifp
* which the PF_INET6 layer is about to release.		* which the PF_INET6 layer is about to release.
* We need to do this as IF_ADDR_LOCK() may be re-acquired		* We need to do this as IF_ADDR_LOCK() may be re-acquired
* by code further down.		* by code further down.
*/		*/
IF_ADDR_RLOCK(ifp);		IF_ADDR_RLOCK(ifp);
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {		TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_INET6 \|\|		if (ifma->ifma_addr->sa_family != AF_INET6 \|\|
ifma->ifma_protospec == NULL)		ifma->ifma_protospec == NULL)
continue;		continue;
inm = (struct in6_multi *)ifma->ifma_protospec;		inm = (struct in6_multi *)ifma->ifma_protospec;
LIST_INSERT_HEAD(&purgeinms, inm, in6m_entry);		in6m_rele_locked(&purgeinms, inm);
}		}
IF_ADDR_RUNLOCK(ifp);		IF_ADDR_RUNLOCK(ifp);

LIST_FOREACH_SAFE(inm, &purgeinms, in6m_entry, tinm) {
LIST_REMOVE(inm, in6m_entry);
in6m_release_locked(inm);
}
mld_ifdetach(ifp);		mld_ifdetach(ifp);
		IN6_MULTI_LIST_UNLOCK();
IN6_MULTI_UNLOCK();		IN6_MULTI_UNLOCK();
		in6m_release_list_deferred(&purgeinms);
}		}

void		void
in6_ifattach_destroy(void)		in6_ifattach_destroy(void)
{		{

callout_drain(&V_in6_tmpaddrtimer_ch);		callout_drain(&V_in6_tmpaddrtimer_ch);
}		}
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