dst_metric(&r->dst, RTAX_WINDOW),
(int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
dst_metric(&r->dst, RTAX_RTTVAR)),
- r->fl.fl4_tos,
+ r->rt_tos,
r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1,
r->dst.hh ? (r->dst.hh->hh_output ==
dev_queue_xmit) : 0,
net->ipv4.sysctl_rt_cache_rebuild_count;
}
-static inline bool compare_hash_inputs(const struct flowi *fl1,
- const struct flowi *fl2)
+static inline bool compare_hash_inputs(const struct rtable *rt1,
+ const struct rtable *rt2)
{
- return ((((__force u32)fl1->fl4_dst ^ (__force u32)fl2->fl4_dst) |
- ((__force u32)fl1->fl4_src ^ (__force u32)fl2->fl4_src) |
- (fl1->iif ^ fl2->iif)) == 0);
+ return ((((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
+ ((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
+ (rt1->rt_iif ^ rt2->rt_iif)) == 0);
}
-static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
+static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
{
- return (((__force u32)fl1->fl4_dst ^ (__force u32)fl2->fl4_dst) |
- ((__force u32)fl1->fl4_src ^ (__force u32)fl2->fl4_src) |
- (fl1->mark ^ fl2->mark) |
- (*(u16 *)&fl1->fl4_tos ^ *(u16 *)&fl2->fl4_tos) |
- (fl1->oif ^ fl2->oif) |
- (fl1->iif ^ fl2->iif)) == 0;
+ return (((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
+ ((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
+ (rt1->rt_mark ^ rt2->rt_mark) |
+ (rt1->rt_tos ^ rt2->rt_tos) |
+ (rt1->rt_oif ^ rt2->rt_oif) |
+ (rt1->rt_iif ^ rt2->rt_iif)) == 0;
}
static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
const struct rtable *aux = head;
while (aux != rth) {
- if (compare_hash_inputs(&aux->fl, &rth->fl))
+ if (compare_hash_inputs(aux, rth))
return 0;
aux = rcu_dereference_protected(aux->dst.rt_next, 1);
}
return length >> FRACT_BITS;
}
-static int rt_intern_hash(unsigned hash, struct rtable *rt,
- struct rtable **rp, struct sk_buff *skb, int ifindex)
+static struct rtable *rt_intern_hash(unsigned hash, struct rtable *rt,
+ struct sk_buff *skb, int ifindex)
{
struct rtable *rth, *cand;
struct rtable __rcu **rthp, **candp;
printk(KERN_WARNING
"Neighbour table failure & not caching routes.\n");
ip_rt_put(rt);
- return err;
+ return ERR_PTR(err);
}
}
rt_free(rth);
continue;
}
- if (compare_keys(&rth->fl, &rt->fl) && compare_netns(rth, rt)) {
+ if (compare_keys(rth, rt) && compare_netns(rth, rt)) {
/* Put it first */
*rthp = rth->dst.rt_next;
/*
spin_unlock_bh(rt_hash_lock_addr(hash));
rt_drop(rt);
- if (rp)
- *rp = rth;
- else
+ if (skb)
skb_dst_set(skb, &rth->dst);
- return 0;
+ return rth;
}
if (!atomic_read(&rth->dst.__refcnt)) {
rt_emergency_hash_rebuild(net);
spin_unlock_bh(rt_hash_lock_addr(hash));
- hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+ hash = rt_hash(rt->rt_key_dst, rt->rt_key_src,
ifindex, rt_genid(net));
goto restart;
}
if (err != -ENOBUFS) {
rt_drop(rt);
- return err;
+ return ERR_PTR(err);
}
/* Neighbour tables are full and nothing
if (net_ratelimit())
printk(KERN_WARNING "ipv4: Neighbour table overflow.\n");
rt_drop(rt);
- return -ENOBUFS;
+ return ERR_PTR(-ENOBUFS);
}
}
spin_unlock_bh(rt_hash_lock_addr(hash));
skip_hashing:
- if (rp)
- *rp = rt;
- else
+ if (skb)
skb_dst_set(skb, &rt->dst);
- return 0;
+ return rt;
}
static atomic_t __rt_peer_genid = ATOMIC_INIT(0);
ip_rt_put(rt);
ret = NULL;
} else if (rt->rt_flags & RTCF_REDIRECTED) {
- unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
- rt->fl.oif,
+ unsigned hash = rt_hash(rt->rt_key_dst, rt->rt_key_src,
+ rt->rt_oif,
rt_genid(dev_net(dst->dev)));
#if RT_CACHE_DEBUG >= 1
printk(KERN_DEBUG "ipv4_negative_advice: redirect to %pI4/%02x dropped\n",
- &rt->rt_dst, rt->fl.fl4_tos);
+ &rt->rt_dst, rt->rt_tos);
#endif
rt_del(hash, rt);
ret = NULL;
if (rt_is_output_route(rt))
src = rt->rt_src;
else {
+ struct flowi fl = {
+ .fl4_dst = rt->rt_key_dst,
+ .fl4_src = rt->rt_key_src,
+ .fl4_tos = rt->rt_tos,
+ .oif = rt->rt_oif,
+ .iif = rt->rt_iif,
+ .mark = rt->rt_mark,
+ };
+
rcu_read_lock();
- if (fib_lookup(dev_net(rt->dst.dev), &rt->fl, &res) == 0)
+ if (fib_lookup(dev_net(rt->dst.dev), &fl, &res) == 0)
src = FIB_RES_PREFSRC(res);
else
src = inet_select_addr(rt->dst.dev, rt->rt_gateway,
return mtu;
}
-static void rt_init_metrics(struct rtable *rt, struct fib_info *fi)
+static void rt_init_metrics(struct rtable *rt, const struct flowi *oldflp,
+ struct fib_info *fi)
{
struct inet_peer *peer;
int create = 0;
/* If a peer entry exists for this destination, we must hook
* it up in order to get at cached metrics.
*/
- if (rt->fl.flags & FLOWI_FLAG_PRECOW_METRICS)
+ if (oldflp && (oldflp->flags & FLOWI_FLAG_PRECOW_METRICS))
create = 1;
- rt_bind_peer(rt, create);
- peer = rt->peer;
+ rt->peer = peer = inet_getpeer_v4(rt->rt_dst, create);
if (peer) {
+ rt->rt_peer_genid = rt_peer_genid();
if (inet_metrics_new(peer))
memcpy(peer->metrics, fi->fib_metrics,
sizeof(u32) * RTAX_MAX);
}
}
-static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
+static void rt_set_nexthop(struct rtable *rt, const struct flowi *oldflp,
+ const struct fib_result *res,
+ struct fib_info *fi, u16 type, u32 itag)
{
struct dst_entry *dst = &rt->dst;
- struct fib_info *fi = res->fi;
if (fi) {
if (FIB_RES_GW(*res) &&
FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
rt->rt_gateway = FIB_RES_GW(*res);
- rt_init_metrics(rt, fi);
+ rt_init_metrics(rt, oldflp, fi);
#ifdef CONFIG_IP_ROUTE_CLASSID
dst->tclassid = FIB_RES_NH(*res).nh_tclassid;
#endif
#endif
set_class_tag(rt, itag);
#endif
- rt->rt_type = res->type;
+ rt->rt_type = type;
}
static struct rtable *rt_dst_alloc(bool nopolicy, bool noxfrm)
{
- struct rtable *rt = dst_alloc(&ipv4_dst_ops);
+ struct rtable *rt = dst_alloc(&ipv4_dst_ops, 1);
if (rt) {
rt->dst.obsolete = -1;
- atomic_set(&rt->dst.__refcnt, 1);
-
rt->dst.flags = DST_HOST |
(nopolicy ? DST_NOPOLICY : 0) |
(noxfrm ? DST_NOXFRM : 0);
rth->dst.output = ip_rt_bug;
- rth->fl.fl4_dst = daddr;
+ rth->rt_key_dst = daddr;
rth->rt_dst = daddr;
- rth->fl.fl4_tos = tos;
- rth->fl.mark = skb->mark;
- rth->fl.fl4_src = saddr;
+ rth->rt_tos = tos;
+ rth->rt_mark = skb->mark;
+ rth->rt_key_src = saddr;
rth->rt_src = saddr;
#ifdef CONFIG_IP_ROUTE_CLASSID
rth->dst.tclassid = itag;
#endif
- rth->rt_iif =
- rth->fl.iif = dev->ifindex;
+ rth->rt_iif = dev->ifindex;
rth->dst.dev = init_net.loopback_dev;
dev_hold(rth->dst.dev);
- rth->fl.oif = 0;
+ rth->rt_oif = 0;
rth->rt_gateway = daddr;
rth->rt_spec_dst= spec_dst;
rth->rt_genid = rt_genid(dev_net(dev));
RT_CACHE_STAT_INC(in_slow_mc);
hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
- return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
+ rth = rt_intern_hash(hash, rth, skb, dev->ifindex);
+ err = 0;
+ if (IS_ERR(rth))
+ err = PTR_ERR(rth);
e_nobufs:
return -ENOBUFS;
/* called in rcu_read_lock() section */
static int __mkroute_input(struct sk_buff *skb,
- struct fib_result *res,
+ const struct fib_result *res,
struct in_device *in_dev,
__be32 daddr, __be32 saddr, u32 tos,
struct rtable **result)
goto cleanup;
}
- rth->fl.fl4_dst = daddr;
+ rth->rt_key_dst = daddr;
rth->rt_dst = daddr;
- rth->fl.fl4_tos = tos;
- rth->fl.mark = skb->mark;
- rth->fl.fl4_src = saddr;
+ rth->rt_tos = tos;
+ rth->rt_mark = skb->mark;
+ rth->rt_key_src = saddr;
rth->rt_src = saddr;
rth->rt_gateway = daddr;
- rth->rt_iif =
- rth->fl.iif = in_dev->dev->ifindex;
+ rth->rt_iif = in_dev->dev->ifindex;
rth->dst.dev = (out_dev)->dev;
dev_hold(rth->dst.dev);
- rth->fl.oif = 0;
+ rth->rt_oif = 0;
rth->rt_spec_dst= spec_dst;
rth->dst.input = ip_forward;
rth->dst.output = ip_output;
rth->rt_genid = rt_genid(dev_net(rth->dst.dev));
- rt_set_nexthop(rth, res, itag);
+ rt_set_nexthop(rth, NULL, res, res->fi, res->type, itag);
rth->rt_flags = flags;
/* put it into the cache */
hash = rt_hash(daddr, saddr, fl->iif,
rt_genid(dev_net(rth->dst.dev)));
- return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
+ rth = rt_intern_hash(hash, rth, skb, fl->iif);
+ if (IS_ERR(rth))
+ return PTR_ERR(rth);
+ return 0;
}
/*
rth->dst.output= ip_rt_bug;
rth->rt_genid = rt_genid(net);
- rth->fl.fl4_dst = daddr;
+ rth->rt_key_dst = daddr;
rth->rt_dst = daddr;
- rth->fl.fl4_tos = tos;
- rth->fl.mark = skb->mark;
- rth->fl.fl4_src = saddr;
+ rth->rt_tos = tos;
+ rth->rt_mark = skb->mark;
+ rth->rt_key_src = saddr;
rth->rt_src = saddr;
#ifdef CONFIG_IP_ROUTE_CLASSID
rth->dst.tclassid = itag;
#endif
- rth->rt_iif =
- rth->fl.iif = dev->ifindex;
+ rth->rt_iif = dev->ifindex;
rth->dst.dev = net->loopback_dev;
dev_hold(rth->dst.dev);
rth->rt_gateway = daddr;
}
rth->rt_type = res.type;
hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
- err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
+ rth = rt_intern_hash(hash, rth, skb, fl.iif);
+ err = 0;
+ if (IS_ERR(rth))
+ err = PTR_ERR(rth);
goto out;
no_route:
for (rth = rcu_dereference(rt_hash_table[hash].chain); rth;
rth = rcu_dereference(rth->dst.rt_next)) {
- if ((((__force u32)rth->fl.fl4_dst ^ (__force u32)daddr) |
- ((__force u32)rth->fl.fl4_src ^ (__force u32)saddr) |
- (rth->fl.iif ^ iif) |
- rth->fl.oif |
- (rth->fl.fl4_tos ^ tos)) == 0 &&
- rth->fl.mark == skb->mark &&
+ if ((((__force u32)rth->rt_key_dst ^ (__force u32)daddr) |
+ ((__force u32)rth->rt_key_src ^ (__force u32)saddr) |
+ (rth->rt_iif ^ iif) |
+ rth->rt_oif |
+ (rth->rt_tos ^ tos)) == 0 &&
+ rth->rt_mark == skb->mark &&
net_eq(dev_net(rth->dst.dev), net) &&
!rt_is_expired(rth)) {
if (noref) {
EXPORT_SYMBOL(ip_route_input_common);
/* called with rcu_read_lock() */
-static struct rtable *__mkroute_output(struct fib_result *res,
+static struct rtable *__mkroute_output(const struct fib_result *res,
const struct flowi *fl,
const struct flowi *oldflp,
struct net_device *dev_out,
unsigned int flags)
{
+ struct fib_info *fi = res->fi;
u32 tos = RT_FL_TOS(oldflp);
struct in_device *in_dev;
+ u16 type = res->type;
struct rtable *rth;
if (ipv4_is_loopback(fl->fl4_src) && !(dev_out->flags & IFF_LOOPBACK))
return ERR_PTR(-EINVAL);
if (ipv4_is_lbcast(fl->fl4_dst))
- res->type = RTN_BROADCAST;
+ type = RTN_BROADCAST;
else if (ipv4_is_multicast(fl->fl4_dst))
- res->type = RTN_MULTICAST;
+ type = RTN_MULTICAST;
else if (ipv4_is_zeronet(fl->fl4_dst))
return ERR_PTR(-EINVAL);
if (!in_dev)
return ERR_PTR(-EINVAL);
- if (res->type == RTN_BROADCAST) {
+ if (type == RTN_BROADCAST) {
flags |= RTCF_BROADCAST | RTCF_LOCAL;
- res->fi = NULL;
- } else if (res->type == RTN_MULTICAST) {
+ fi = NULL;
+ } else if (type == RTN_MULTICAST) {
flags |= RTCF_MULTICAST | RTCF_LOCAL;
if (!ip_check_mc(in_dev, oldflp->fl4_dst, oldflp->fl4_src,
oldflp->proto))
* default one, but do not gateway in this case.
* Yes, it is hack.
*/
- if (res->fi && res->prefixlen < 4)
- res->fi = NULL;
+ if (fi && res->prefixlen < 4)
+ fi = NULL;
}
rth = rt_dst_alloc(IN_DEV_CONF_GET(in_dev, NOPOLICY),
if (!rth)
return ERR_PTR(-ENOBUFS);
- rth->fl.fl4_dst = oldflp->fl4_dst;
- rth->fl.fl4_tos = tos;
- rth->fl.fl4_src = oldflp->fl4_src;
- rth->fl.oif = oldflp->oif;
- rth->fl.mark = oldflp->mark;
+ rth->rt_key_dst = oldflp->fl4_dst;
+ rth->rt_tos = tos;
+ rth->rt_key_src = oldflp->fl4_src;
+ rth->rt_oif = oldflp->oif;
+ rth->rt_mark = oldflp->mark;
rth->rt_dst = fl->fl4_dst;
rth->rt_src = fl->fl4_src;
- rth->rt_iif = oldflp->oif ? : dev_out->ifindex;
+ rth->rt_iif = 0;
/* get references to the devices that are to be hold by the routing
cache entry */
rth->dst.dev = dev_out;
RT_CACHE_STAT_INC(out_slow_mc);
}
#ifdef CONFIG_IP_MROUTE
- if (res->type == RTN_MULTICAST) {
+ if (type == RTN_MULTICAST) {
if (IN_DEV_MFORWARD(in_dev) &&
!ipv4_is_local_multicast(oldflp->fl4_dst)) {
rth->dst.input = ip_mr_input;
#endif
}
- rt_set_nexthop(rth, res, 0);
+ rt_set_nexthop(rth, oldflp, res, fi, type, 0);
rth->rt_flags = flags;
return rth;
* called with rcu_read_lock();
*/
-static int ip_route_output_slow(struct net *net, struct rtable **rp,
- const struct flowi *oldflp)
+static struct rtable *ip_route_output_slow(struct net *net,
+ const struct flowi *oldflp)
{
u32 tos = RT_FL_TOS(oldflp);
- struct flowi fl = { .fl4_dst = oldflp->fl4_dst,
- .fl4_src = oldflp->fl4_src,
- .fl4_tos = tos & IPTOS_RT_MASK,
- .fl4_scope = ((tos & RTO_ONLINK) ?
- RT_SCOPE_LINK : RT_SCOPE_UNIVERSE),
- .mark = oldflp->mark,
- .iif = net->loopback_dev->ifindex,
- .oif = oldflp->oif };
+ struct flowi fl;
struct fib_result res;
unsigned int flags = 0;
struct net_device *dev_out = NULL;
struct rtable *rth;
- int err;
-
res.fi = NULL;
#ifdef CONFIG_IP_MULTIPLE_TABLES
res.r = NULL;
#endif
+ fl.oif = oldflp->oif;
+ fl.iif = net->loopback_dev->ifindex;
+ fl.mark = oldflp->mark;
+ fl.fl4_dst = oldflp->fl4_dst;
+ fl.fl4_src = oldflp->fl4_src;
+ fl.fl4_tos = tos & IPTOS_RT_MASK;
+ fl.fl4_scope = ((tos & RTO_ONLINK) ?
+ RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
+
rcu_read_lock();
if (oldflp->fl4_src) {
- err = -EINVAL;
+ rth = ERR_PTR(-EINVAL);
if (ipv4_is_multicast(oldflp->fl4_src) ||
ipv4_is_lbcast(oldflp->fl4_src) ||
ipv4_is_zeronet(oldflp->fl4_src))
if (oldflp->oif) {
dev_out = dev_get_by_index_rcu(net, oldflp->oif);
- err = -ENODEV;
+ rth = ERR_PTR(-ENODEV);
if (dev_out == NULL)
goto out;
/* RACE: Check return value of inet_select_addr instead. */
if (!(dev_out->flags & IFF_UP) || !__in_dev_get_rcu(dev_out)) {
- err = -ENETUNREACH;
+ rth = ERR_PTR(-ENETUNREACH);
goto out;
}
if (ipv4_is_local_multicast(oldflp->fl4_dst) ||
res.type = RTN_UNICAST;
goto make_route;
}
- err = -ENETUNREACH;
+ rth = ERR_PTR(-ENETUNREACH);
goto out;
}
make_route:
rth = __mkroute_output(&res, &fl, oldflp, dev_out, flags);
- if (IS_ERR(rth))
- err = PTR_ERR(rth);
- else {
+ if (!IS_ERR(rth)) {
unsigned int hash;
hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
rt_genid(dev_net(dev_out)));
- err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
+ rth = rt_intern_hash(hash, rth, NULL, oldflp->oif);
}
out:
rcu_read_unlock();
- return err;
+ return rth;
}
-int __ip_route_output_key(struct net *net, struct rtable **rp,
- const struct flowi *flp)
+struct rtable *__ip_route_output_key(struct net *net, const struct flowi *flp)
{
struct rtable *rth;
unsigned int hash;
rcu_read_lock_bh();
for (rth = rcu_dereference_bh(rt_hash_table[hash].chain); rth;
rth = rcu_dereference_bh(rth->dst.rt_next)) {
- if (rth->fl.fl4_dst == flp->fl4_dst &&
- rth->fl.fl4_src == flp->fl4_src &&
+ if (rth->rt_key_dst == flp->fl4_dst &&
+ rth->rt_key_src == flp->fl4_src &&
rt_is_output_route(rth) &&
- rth->fl.oif == flp->oif &&
- rth->fl.mark == flp->mark &&
- !((rth->fl.fl4_tos ^ flp->fl4_tos) &
+ rth->rt_oif == flp->oif &&
+ rth->rt_mark == flp->mark &&
+ !((rth->rt_tos ^ flp->fl4_tos) &
(IPTOS_RT_MASK | RTO_ONLINK)) &&
net_eq(dev_net(rth->dst.dev), net) &&
!rt_is_expired(rth)) {
dst_use(&rth->dst, jiffies);
RT_CACHE_STAT_INC(out_hit);
rcu_read_unlock_bh();
- *rp = rth;
- return 0;
+ return rth;
}
RT_CACHE_STAT_INC(out_hlist_search);
}
rcu_read_unlock_bh();
slow_output:
- return ip_route_output_slow(net, rp, flp);
+ return ip_route_output_slow(net, flp);
}
EXPORT_SYMBOL_GPL(__ip_route_output_key);
.destroy = ipv4_dst_destroy,
.check = ipv4_blackhole_dst_check,
.default_mtu = ipv4_blackhole_default_mtu,
+ .default_advmss = ipv4_default_advmss,
.update_pmtu = ipv4_rt_blackhole_update_pmtu,
};
-
-static int ipv4_dst_blackhole(struct net *net, struct rtable **rp, struct flowi *flp)
+struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig)
{
- struct rtable *ort = *rp;
- struct rtable *rt = (struct rtable *)
- dst_alloc(&ipv4_dst_blackhole_ops);
+ struct rtable *rt = dst_alloc(&ipv4_dst_blackhole_ops, 1);
+ struct rtable *ort = (struct rtable *) dst_orig;
if (rt) {
struct dst_entry *new = &rt->dst;
- atomic_set(&new->__refcnt, 1);
new->__use = 1;
new->input = dst_discard;
new->output = dst_discard;
if (new->dev)
dev_hold(new->dev);
- rt->fl = ort->fl;
+ rt->rt_key_dst = ort->rt_key_dst;
+ rt->rt_key_src = ort->rt_key_src;
+ rt->rt_tos = ort->rt_tos;
+ rt->rt_iif = ort->rt_iif;
+ rt->rt_oif = ort->rt_oif;
+ rt->rt_mark = ort->rt_mark;
rt->rt_genid = rt_genid(net);
rt->rt_flags = ort->rt_flags;
dst_free(new);
}
- dst_release(&(*rp)->dst);
- *rp = rt;
- return rt ? 0 : -ENOMEM;
+ dst_release(dst_orig);
+
+ return rt ? &rt->dst : ERR_PTR(-ENOMEM);
}
-int ip_route_output_flow(struct net *net, struct rtable **rp, struct flowi *flp,
- struct sock *sk, int flags)
+struct rtable *ip_route_output_flow(struct net *net, struct flowi *flp,
+ struct sock *sk)
{
- int err;
+ struct rtable *rt = __ip_route_output_key(net, flp);
- if ((err = __ip_route_output_key(net, rp, flp)) != 0)
- return err;
+ if (IS_ERR(rt))
+ return rt;
if (flp->proto) {
if (!flp->fl4_src)
- flp->fl4_src = (*rp)->rt_src;
+ flp->fl4_src = rt->rt_src;
if (!flp->fl4_dst)
- flp->fl4_dst = (*rp)->rt_dst;
- err = __xfrm_lookup(net, (struct dst_entry **)rp, flp, sk,
- flags ? XFRM_LOOKUP_WAIT : 0);
- if (err == -EREMOTE)
- err = ipv4_dst_blackhole(net, rp, flp);
-
- return err;
+ flp->fl4_dst = rt->rt_dst;
+ rt = (struct rtable *) xfrm_lookup(net, &rt->dst, flp, sk, 0);
}
- return 0;
+ return rt;
}
EXPORT_SYMBOL_GPL(ip_route_output_flow);
-int ip_route_output_key(struct net *net, struct rtable **rp, struct flowi *flp)
-{
- return ip_route_output_flow(net, rp, flp, NULL, 0);
-}
-EXPORT_SYMBOL(ip_route_output_key);
-
static int rt_fill_info(struct net *net,
struct sk_buff *skb, u32 pid, u32 seq, int event,
int nowait, unsigned int flags)
r->rtm_family = AF_INET;
r->rtm_dst_len = 32;
r->rtm_src_len = 0;
- r->rtm_tos = rt->fl.fl4_tos;
+ r->rtm_tos = rt->rt_tos;
r->rtm_table = RT_TABLE_MAIN;
NLA_PUT_U32(skb, RTA_TABLE, RT_TABLE_MAIN);
r->rtm_type = rt->rt_type;
NLA_PUT_BE32(skb, RTA_DST, rt->rt_dst);
- if (rt->fl.fl4_src) {
+ if (rt->rt_key_src) {
r->rtm_src_len = 32;
- NLA_PUT_BE32(skb, RTA_SRC, rt->fl.fl4_src);
+ NLA_PUT_BE32(skb, RTA_SRC, rt->rt_key_src);
}
if (rt->dst.dev)
NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
#endif
if (rt_is_input_route(rt))
NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_spec_dst);
- else if (rt->rt_src != rt->fl.fl4_src)
+ else if (rt->rt_src != rt->rt_key_src)
NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_src);
if (rt->rt_dst != rt->rt_gateway)
if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
goto nla_put_failure;
- if (rt->fl.mark)
- NLA_PUT_BE32(skb, RTA_MARK, rt->fl.mark);
+ if (rt->rt_mark)
+ NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark);
error = rt->dst.error;
expires = (rt->peer && rt->peer->pmtu_expires) ?
}
} else
#endif
- NLA_PUT_U32(skb, RTA_IIF, rt->fl.iif);
+ NLA_PUT_U32(skb, RTA_IIF, rt->rt_iif);
}
if (rtnl_put_cacheinfo(skb, &rt->dst, id, ts, tsage,
.oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0,
.mark = mark,
};
- err = ip_route_output_key(net, &rt, &fl);
+ rt = ip_route_output_key(net, &fl);
+
+ err = 0;
+ if (IS_ERR(rt))
+ err = PTR_ERR(rt);
}
if (err)