Differential D26497 Diff 77263 sys/net/route/route_ctl.c

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sys/net/route/route_ctl.c

Show First 20 Lines • Show All 169 Lines • ▼ Show 20 Lines	get_rnh(uint32_t fibnum, const struct rt_addrinfo *info)
KASSERT((fibnum < rt_numfibs), ("rib_add_route: bad fibnum"));		KASSERT((fibnum < rt_numfibs), ("rib_add_route: bad fibnum"));

dst = info->rti_info[RTAX_DST];		dst = info->rti_info[RTAX_DST];
rnh = rt_tables_get_rnh(fibnum, dst->sa_family);		rnh = rt_tables_get_rnh(fibnum, dst->sa_family);

return (rnh);		return (rnh);
}		}

		static int
		get_info_weight(const struct rt_addrinfo *info, uint32_t default_weight)
		{
		uint32_t weight;

		if (info->rti_mflags & RTV_WEIGHT)
		weight = info->rti_rmx->rmx_weight;
		else
		weight = default_weight;
		/* Keep upper 1 byte for adm distance purposes */
		if (weight > RT_MAX_WEIGHT)
		weight = RT_MAX_WEIGHT;

		return (weight);
		}

		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.
*/		*/
static bool		static 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 232 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.
*/		*/
ifa = info->rti_ifa;		ifa = info->rti_ifa;
rt->rt_weight = 1;		rt->rt_weight = get_info_weight(info, RT_DEFAULT_WEIGHT);
		rt_set_expire_info(rt, info);

rt_setmetrics(info, rt);

*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 372 Lines • ▼ Show 20 Lines	change_route_nhop(struct rib_head rnh, struct rtentry rt,
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 expiration & nexthop & weight to a new one */
rt_setmetrics(info, rt);		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 (rt->rt_expire > 0)
tmproutes_update(rnh, rt);		tmproutes_update(rnh, rt);
} else {		} else {
/* Route deletion requested. */		/* Route deletion requested. */
struct sockaddr ndst, netmask;		struct sockaddr ndst, netmask;
struct radix_node *rn;		struct radix_node *rn;
▲ Show 20 Lines • Show All 361 Lines • Show Last 20 Lines