Differential D20328 Diff 57729 head/sys/netinet6/nd6_rtr.c

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head/sys/netinet6/nd6_rtr.c

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IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);		IN6_IFADDR_RUNLOCK(&in6_ifa_tracker);
ND6_RUNLOCK();		ND6_RUNLOCK();
ND6_ONLINK_UNLOCK();		ND6_ONLINK_UNLOCK();
}		}

static int		static int
nd6_prefix_onlink_rtrequest(struct nd_prefix pr, struct ifaddr ifa)		nd6_prefix_onlink_rtrequest(struct nd_prefix pr, struct ifaddr ifa)
{		{
static struct sockaddr_dl null_sdl = {sizeof(null_sdl), AF_LINK};		struct sockaddr_dl sdl;
struct rib_head *rnh;
struct rtentry *rt;		struct rtentry *rt;
struct sockaddr_in6 mask6;		struct sockaddr_in6 mask6;
u_long rtflags;		u_long rtflags;
int error, a_failure, fibnum, maxfib;		int error, a_failure, fibnum, maxfib;

/*		/*
* in6_ifinit() sets nd6_rtrequest to ifa_rtrequest for all ifaddrs.		* in6_ifinit() sets nd6_rtrequest to ifa_rtrequest for all ifaddrs.
* ifa->ifa_rtrequest = nd6_rtrequest;		* ifa->ifa_rtrequest = nd6_rtrequest;
*/		*/
bzero(&mask6, sizeof(mask6));		bzero(&mask6, sizeof(mask6));
mask6.sin6_len = sizeof(mask6);		mask6.sin6_len = sizeof(mask6);
mask6.sin6_addr = pr->ndpr_mask;		mask6.sin6_addr = pr->ndpr_mask;
rtflags = (ifa->ifa_flags & ~IFA_RTSELF) \| RTF_UP;		rtflags = (ifa->ifa_flags & ~IFA_RTSELF) \| RTF_UP;

		bzero(&sdl, sizeof(struct sockaddr_dl));
		sdl.sdl_len = sizeof(struct sockaddr_dl);
		sdl.sdl_family = AF_LINK;
		sdl.sdl_type = ifa->ifa_ifp->if_type;
		sdl.sdl_index = ifa->ifa_ifp->if_index;

if(V_rt_add_addr_allfibs) {		if(V_rt_add_addr_allfibs) {
fibnum = 0;		fibnum = 0;
maxfib = rt_numfibs;		maxfib = rt_numfibs;
} else {		} else {
fibnum = ifa->ifa_ifp->if_fib;		fibnum = ifa->ifa_ifp->if_fib;
maxfib = fibnum + 1;		maxfib = fibnum + 1;
}		}
a_failure = 0;		a_failure = 0;
for (; fibnum < maxfib; fibnum++) {		for (; fibnum < maxfib; fibnum++) {

rt = NULL;		rt = NULL;
error = in6_rtrequest(RTM_ADD,		error = in6_rtrequest(RTM_ADD,
(struct sockaddr *)&pr->ndpr_prefix, ifa->ifa_addr,		(struct sockaddr )&pr->ndpr_prefix, (struct sockaddr )&sdl,
(struct sockaddr *)&mask6, rtflags, &rt, fibnum);		(struct sockaddr *)&mask6, rtflags, &rt, fibnum);
if (error == 0) {		if (error == 0) {
KASSERT(rt != NULL, ("%s: in6_rtrequest return no "		KASSERT(rt != NULL, ("%s: in6_rtrequest return no "
"error(%d) but rt is NULL, pr=%p, ifa=%p", __func__,		"error(%d) but rt is NULL, pr=%p, ifa=%p", __func__,
error, pr, ifa));		error, pr, ifa));

rnh = rt_tables_get_rnh(rt->rt_fibnum, AF_INET6);
/* XXX what if rhn == NULL? */
RIB_WLOCK(rnh);
RT_LOCK(rt);		RT_LOCK(rt);
if (rt_setgate(rt, rt_key(rt),
(struct sockaddr *)&null_sdl) == 0) {
struct sockaddr_dl *dl;

dl = (struct sockaddr_dl *)rt->rt_gateway;
dl->sdl_type = rt->rt_ifp->if_type;
dl->sdl_index = rt->rt_ifp->if_index;
}
RIB_WUNLOCK(rnh);
nd6_rtmsg(RTM_ADD, rt);		nd6_rtmsg(RTM_ADD, rt);
RT_UNLOCK(rt);		RT_UNLOCK(rt);
pr->ndpr_stateflags \|= NDPRF_ONLINK;		pr->ndpr_stateflags \|= NDPRF_ONLINK;
} else {		} else {
char ip6buf[INET6_ADDRSTRLEN];		char ip6buf[INET6_ADDRSTRLEN];
char ip6bufg[INET6_ADDRSTRLEN];		char ip6bufg[INET6_ADDRSTRLEN];
char ip6bufm[INET6_ADDRSTRLEN];		char ip6bufm[INET6_ADDRSTRLEN];
struct sockaddr_in6 *sin6;		struct sockaddr_in6 *sin6;
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