Differential D35970 Diff 108635 sys/net/route/route_ctl.c

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sys/net/route/route_ctl.c

Show First 20 Lines • Show All 410 Lines • ▼ Show 20 Lines	rt_get_inet6_prefix_pmask(const struct rtentry rt, struct in6_addr paddr,
dst = (const struct sockaddr_in6 *)rt_mask_const(rt);		dst = (const struct sockaddr_in6 *)rt_mask_const(rt);
if (dst == NULL)		if (dst == NULL)
memset(pmask, 0xFF, sizeof(struct in6_addr));		memset(pmask, 0xFF, sizeof(struct in6_addr));
else		else
*pmask = dst->sin6_addr;		*pmask = dst->sin6_addr;
}		}
#endif		#endif

static void
rt_set_expire_info(struct rtentry rt, const struct rt_addrinfo info)
{

/* Kernel -> userland timebase conversion. */
if (info->rti_mflags & RTV_EXPIRE)
rt->rt_expire = info->rti_rmx->rmx_expire ?
info->rti_rmx->rmx_expire - time_second + time_uptime : 0;
}

/*		/*
* Check if specified @gw matches gw data in the nexthop @nh.		* Check if specified @gw matches gw data in the nexthop @nh.
*		*
* Returns true if matches, false otherwise.		* Returns true if matches, false otherwise.
*/		*/
bool		bool
match_nhop_gw(const struct nhop_object nh, const struct sockaddr gw)		match_nhop_gw(const struct nhop_object nh, const struct sockaddr gw)
{		{
▲ Show 20 Lines • Show All 260 Lines • ▼ Show 20 Lines	if (netmask) {
bcopy(dst, ndst, dst->sa_len);		bcopy(dst, ndst, dst->sa_len);

/*		/*
* We use the ifa reference returned by rt_getifa_fib().		* We use the ifa reference returned by rt_getifa_fib().
* This moved from below so that rnh->rnh_addaddr() can		* This moved from below so that rnh->rnh_addaddr() can
* examine the ifa and ifa->ifa_ifp if it so desires.		* examine the ifa and ifa->ifa_ifp if it so desires.
*/		*/
rt->rt_weight = get_info_weight(info, RT_DEFAULT_WEIGHT);		rt->rt_weight = get_info_weight(info, RT_DEFAULT_WEIGHT);
rt_set_expire_info(rt, info);

*prt = rt;		*prt = rt;
return (0);		return (0);
}		}

static int		static int
add_route(struct rib_head rnh, struct rt_addrinfo info,		add_route(struct rib_head rnh, struct rt_addrinfo info,
struct rib_cmd_info *rc)		struct rib_cmd_info *rc)
▲ Show 20 Lines • Show All 393 Lines • ▼ Show 20 Lines	add_route_nhop(struct rib_head rnh, struct rtentry rt,
ndst = (struct sockaddr *)rt_key(rt);		ndst = (struct sockaddr *)rt_key(rt);
netmask = info->rti_info[RTAX_NETMASK];		netmask = info->rti_info[RTAX_NETMASK];

rt->rt_nhop = rnd->rnd_nhop;		rt->rt_nhop = rnd->rnd_nhop;
rt->rt_weight = rnd->rnd_weight;		rt->rt_weight = rnd->rnd_weight;
rn = rnh->rnh_addaddr(ndst, netmask, &rnh->head, rt->rt_nodes);		rn = rnh->rnh_addaddr(ndst, netmask, &rnh->head, rt->rt_nodes);

if (rn != NULL) {		if (rn != NULL) {
if (rt->rt_expire > 0)		if (!NH_IS_NHGRP(rnd->rnd_nhop) && nhop_get_expire(rnd->rnd_nhop))
tmproutes_update(rnh, rt);		tmproutes_update(rnh, rt, rnd->rnd_nhop);

/* Finalize notification */		/* Finalize notification */
rib_bump_gen(rnh);		rib_bump_gen(rnh);
rnh->rnh_prefixes++;		rnh->rnh_prefixes++;

rc->rc_cmd = RTM_ADD;		rc->rc_cmd = RTM_ADD;
rc->rc_rt = rt;		rc->rc_rt = rt;
rc->rc_nh_old = NULL;		rc->rc_nh_old = NULL;
rc->rc_nh_new = rnd->rnd_nhop;		rc->rc_nh_new = rnd->rnd_nhop;
rc->rc_nh_weight = rnd->rnd_weight;		rc->rc_nh_weight = rnd->rnd_weight;

rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);		rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);
} else {		} else {
/* Existing route or memory allocation failure */		/* Existing route or memory allocation failure */
error = EEXIST;		error = EEXIST;
}		}

return (error);		return (error);
}		}

/*		/*
* Switch @rt nhop/weigh to the ones specified in @rnd.		* Switch @rt nhop/weigh to the ones specified in @rnd.
* Conditionally set rt_expire if set in @info.
* Returns 0 on success.		* Returns 0 on success.
*/		*/
int		int
change_route_nhop(struct rib_head rnh, struct rtentry rt,		change_route_nhop(struct rib_head rnh, struct rtentry rt,
struct rt_addrinfo info, struct route_nhop_data rnd,		struct rt_addrinfo info, struct route_nhop_data rnd,
struct rib_cmd_info *rc)		struct rib_cmd_info *rc)
{		{
struct nhop_object *nh_orig;		struct nhop_object *nh_orig;

RIB_WLOCK_ASSERT(rnh);		RIB_WLOCK_ASSERT(rnh);

nh_orig = rt->rt_nhop;		nh_orig = rt->rt_nhop;

if (rnd->rnd_nhop != NULL) {		if (rnd->rnd_nhop != NULL) {
/* Changing expiration & nexthop & weight to a new one */		/* Changing nexthop & weight to a new one */
rt_set_expire_info(rt, info);
rt->rt_nhop = rnd->rnd_nhop;		rt->rt_nhop = rnd->rnd_nhop;
rt->rt_weight = rnd->rnd_weight;		rt->rt_weight = rnd->rnd_weight;
if (rt->rt_expire > 0)		if (!NH_IS_NHGRP(rnd->rnd_nhop) && nhop_get_expire(rnd->rnd_nhop))
tmproutes_update(rnh, rt);		tmproutes_update(rnh, rt, rnd->rnd_nhop);
} else {		} else {
/* Route deletion requested. */		/* Route deletion requested. */
struct sockaddr ndst, netmask;		struct sockaddr ndst, netmask;
struct radix_node *rn;		struct radix_node *rn;

ndst = (struct sockaddr *)rt_key(rt);		ndst = (struct sockaddr *)rt_key(rt);
netmask = info->rti_info[RTAX_NETMASK];		netmask = info->rti_info[RTAX_NETMASK];
rn = rnh->rnh_deladdr(ndst, netmask, &rnh->head);		rn = rnh->rnh_deladdr(ndst, netmask, &rnh->head);
▲ Show 20 Lines • Show All 455 Lines • Show Last 20 Lines