struct flowi;
#ifndef CONFIG_XFRM
-static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
- struct sock *sk, int flags)
+static inline int xfrm_lookup(struct net *net, struct dst_entry **dst_p,
+ struct flowi *fl, struct sock *sk, int flags)
{
return 0;
}
-static inline int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
- struct sock *sk, int flags)
+static inline int __xfrm_lookup(struct net *net, struct dst_entry **dst_p,
+ struct flowi *fl, struct sock *sk, int flags)
{
return 0;
}
#else
-extern int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
- struct sock *sk, int flags);
-extern int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
- struct sock *sk, int flags);
+extern int xfrm_lookup(struct net *net, struct dst_entry **dst_p,
+ struct flowi *fl, struct sock *sk, int flags);
+extern int __xfrm_lookup(struct net *net, struct dst_entry **dst_p,
+ struct flowi *fl, struct sock *sk, int flags);
#endif
#endif
#define FLOW_DIR_OUT 1
#define FLOW_DIR_FWD 2
+struct net;
struct sock;
-typedef int (*flow_resolve_t)(struct flowi *key, u16 family, u8 dir,
- void **objp, atomic_t **obj_refp);
+typedef int (*flow_resolve_t)(struct net *net, struct flowi *key, u16 family,
+ u8 dir, void **objp, atomic_t **obj_refp);
-extern void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
- flow_resolve_t resolver);
+extern void *flow_cache_lookup(struct net *net, struct flowi *key, u16 family,
+ u8 dir, flow_resolve_t resolver);
extern void flow_cache_flush(void);
extern atomic_t flow_cache_genid;
return 0;
}
-void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
+void *flow_cache_lookup(struct net *net, struct flowi *key, u16 family, u8 dir,
flow_resolve_t resolver)
{
struct flow_cache_entry *fle, **head;
void *obj;
atomic_t *obj_ref;
- err = resolver(key, family, dir, &obj, &obj_ref);
+ err = resolver(net, key, family, dir, &obj, &obj_ref);
if (fle && !err) {
fle->genid = atomic_read(&flow_cache_genid);
goto out;
}
- err = xfrm_lookup(&dst, &fl, sk, 0);
+ err = xfrm_lookup(net, &dst, &fl, sk, 0);
if (err < 0) {
sk->sk_err_soft = -err;
goto out;
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- err = xfrm_lookup(&dst, &fl, sk, 0);
+ err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0);
if (err < 0)
goto done;
/* sk = NULL, but it is safe for now. RST socket required. */
if (!ip6_dst_lookup(ctl_sk, &skb->dst, &fl)) {
- if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) {
+ if (xfrm_lookup(net, &skb->dst, &fl, NULL, 0) >= 0) {
ip6_xmit(ctl_sk, skb, &fl, NULL, 0);
DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+ if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
goto out;
}
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT);
+ err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
if (err < 0) {
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, &fl);
err = __dn_route_output_key(pprt, flp, flags);
if (err == 0 && flp->proto) {
- err = xfrm_lookup(pprt, flp, NULL, 0);
+ err = xfrm_lookup(&init_net, pprt, flp, NULL, 0);
}
return err;
}
err = __dn_route_output_key(pprt, fl, flags & MSG_TRYHARD);
if (err == 0 && fl->proto) {
- err = xfrm_lookup(pprt, fl, sk, (flags & MSG_DONTWAIT) ?
- 0 : XFRM_LOOKUP_WAIT);
+ err = xfrm_lookup(&init_net, pprt, fl, sk,
+ (flags & MSG_DONTWAIT) ? 0 : XFRM_LOOKUP_WAIT);
}
return err;
}
/* No need to clone since we're just using its address. */
rt2 = rt;
- err = xfrm_lookup((struct dst_entry **)&rt, &fl, NULL, 0);
+ err = xfrm_lookup(net, (struct dst_entry **)&rt, &fl, NULL, 0);
switch (err) {
case 0:
if (rt != rt2)
if (err)
goto relookup_failed;
- err = xfrm_lookup((struct dst_entry **)&rt2, &fl, NULL,
+ err = xfrm_lookup(net, (struct dst_entry **)&rt2, &fl, NULL,
XFRM_LOOKUP_ICMP);
switch (err) {
case 0:
#ifdef CONFIG_XFRM
if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) &&
xfrm_decode_session(skb, &fl, AF_INET) == 0)
- if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0))
+ if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0))
return -1;
#endif
dst = ((struct xfrm_dst *)dst)->route;
dst_hold(dst);
- if (xfrm_lookup(&dst, &fl, skb->sk, 0) < 0)
+ if (xfrm_lookup(dev_net(dst->dev), &dst, &fl, skb->sk, 0) < 0)
return -1;
dst_release(skb->dst);
flp->fl4_src = (*rp)->rt_src;
if (!flp->fl4_dst)
flp->fl4_dst = (*rp)->rt_dst;
- err = __xfrm_lookup((struct dst_entry **)rp, flp, sk,
+ 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);
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+ if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) {
sk->sk_err_soft = -err;
return err;
}
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) {
+ err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
+ if (err < 0) {
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, &fl);
if (err < 0)
/* No need to clone since we're just using its address. */
dst2 = dst;
- err = xfrm_lookup(&dst, &fl, sk, 0);
+ err = xfrm_lookup(net, &dst, &fl, sk, 0);
switch (err) {
case 0:
if (dst != dst2)
if (ip6_dst_lookup(sk, &dst2, &fl))
goto relookup_failed;
- err = xfrm_lookup(&dst2, &fl, sk, XFRM_LOOKUP_ICMP);
+ err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP);
switch (err) {
case 0:
dst_release(dst);
err = ip6_dst_lookup(sk, &dst, &fl);
if (err)
goto out;
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+ if ((err = xfrm_lookup(net, &dst, &fl, sk, 0)) < 0)
goto out;
if (ipv6_addr_is_multicast(&fl.fl6_dst))
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+ if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) {
sk->sk_route_caps = 0;
kfree_skb(skb);
return err;
int encap_limit,
__u32 *pmtu)
{
+ struct net *net = dev_net(dev);
struct ip6_tnl *t = netdev_priv(dev);
struct net_device_stats *stats = &t->dev->stats;
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
if ((dst = ip6_tnl_dst_check(t)) != NULL)
dst_hold(dst);
else {
- dst = ip6_route_output(dev_net(dev), NULL, fl);
+ dst = ip6_route_output(net, NULL, fl);
- if (dst->error || xfrm_lookup(&dst, fl, NULL, 0) < 0)
+ if (dst->error || xfrm_lookup(net, &dst, fl, NULL, 0) < 0)
goto tx_err_link_failure;
}
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
- err = xfrm_lookup(&skb->dst, &fl, NULL, 0);
+ err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0);
if (err)
goto err_out;
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
- err = xfrm_lookup(&skb->dst, &fl, NULL, 0);
+ err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0);
if (err)
goto err_out;
return;
}
- err = xfrm_lookup(&dst, &fl, NULL, 0);
+ err = xfrm_lookup(net, &dst, &fl, NULL, 0);
if (err < 0) {
kfree_skb(skb);
return;
if (dst == NULL)
return;
- err = xfrm_lookup(&dst, &fl, NULL, 0);
+ err = xfrm_lookup(net, &dst, &fl, NULL, 0);
if (err)
return;
#ifdef CONFIG_XFRM
if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
xfrm_decode_session(skb, &fl, AF_INET6) == 0)
- if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0))
+ if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0))
return -1;
#endif
dst = ip6_route_output(net, NULL, &fl);
if (dst == NULL)
return;
- if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0))
+ if (dst->error || xfrm_lookup(net, &dst, &fl, NULL, 0))
return;
hh_len = (dst->dev->hard_header_len + 15)&~15;
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) {
+ err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
+ if (err < 0) {
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, &fl);
if (err < 0)
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+ if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
goto out_free;
}
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) {
+ err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
+ if (err < 0) {
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, &fl);
if (err < 0)
goto out;
}
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+ if ((err = xfrm_lookup(net, &dst, &fl, sk, 0)) < 0) {
sk->sk_err_soft = -err;
goto out;
}
goto done;
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+ if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
goto done;
skb = tcp_make_synack(sk, dst, req);
* namespace
*/
if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) {
- if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
+ if (xfrm_lookup(net, &buff->dst, &fl, NULL, 0) >= 0) {
ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
if (rst)
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+ if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
goto out;
}
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) {
+ err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
+ if (err < 0) {
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, &fl);
if (err < 0)
return ret;
}
-static struct xfrm_policy *xfrm_policy_lookup_bytype(u8 type, struct flowi *fl,
+static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type,
+ struct flowi *fl,
u16 family, u8 dir)
{
int err;
return NULL;
read_lock_bh(&xfrm_policy_lock);
- chain = policy_hash_direct(&init_net, daddr, saddr, family, dir);
+ chain = policy_hash_direct(net, daddr, saddr, family, dir);
ret = NULL;
hlist_for_each_entry(pol, entry, chain, bydst) {
err = xfrm_policy_match(pol, fl, type, family, dir);
break;
}
}
- chain = &init_net.xfrm.policy_inexact[dir];
+ chain = &net->xfrm.policy_inexact[dir];
hlist_for_each_entry(pol, entry, chain, bydst) {
err = xfrm_policy_match(pol, fl, type, family, dir);
if (err) {
return ret;
}
-static int xfrm_policy_lookup(struct flowi *fl, u16 family, u8 dir,
- void **objp, atomic_t **obj_refp)
+static int xfrm_policy_lookup(struct net *net, struct flowi *fl, u16 family,
+ u8 dir, void **objp, atomic_t **obj_refp)
{
struct xfrm_policy *pol;
int err = 0;
#ifdef CONFIG_XFRM_SUB_POLICY
- pol = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_SUB, fl, family, dir);
+ pol = xfrm_policy_lookup_bytype(net, XFRM_POLICY_TYPE_SUB, fl, family, dir);
if (IS_ERR(pol)) {
err = PTR_ERR(pol);
pol = NULL;
if (pol || err)
goto end;
#endif
- pol = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN, fl, family, dir);
+ pol = xfrm_policy_lookup_bytype(net, XFRM_POLICY_TYPE_MAIN, fl, family, dir);
if (IS_ERR(pol)) {
err = PTR_ERR(pol);
pol = NULL;
* At the moment we eat a raw IP route. Mostly to speed up lookups
* on interfaces with disabled IPsec.
*/
-int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
+int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, struct flowi *fl,
struct sock *sk, int flags)
{
struct xfrm_policy *policy;
if (!policy) {
/* To accelerate a bit... */
if ((dst_orig->flags & DST_NOXFRM) ||
- !init_net.xfrm.policy_count[XFRM_POLICY_OUT])
+ !net->xfrm.policy_count[XFRM_POLICY_OUT])
goto nopol;
- policy = flow_cache_lookup(fl, dst_orig->ops->family,
+ policy = flow_cache_lookup(net, fl, dst_orig->ops->family,
dir, xfrm_policy_lookup);
err = PTR_ERR(policy);
if (IS_ERR(policy)) {
#ifdef CONFIG_XFRM_SUB_POLICY
if (pols[0]->type != XFRM_POLICY_TYPE_MAIN) {
- pols[1] = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN,
+ pols[1] = xfrm_policy_lookup_bytype(net,
+ XFRM_POLICY_TYPE_MAIN,
fl, family,
XFRM_POLICY_OUT);
if (pols[1]) {
if (err == -EAGAIN && (flags & XFRM_LOOKUP_WAIT)) {
DECLARE_WAITQUEUE(wait, current);
- add_wait_queue(&init_net.xfrm.km_waitq, &wait);
+ add_wait_queue(&net->xfrm.km_waitq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_current_state(TASK_RUNNING);
- remove_wait_queue(&init_net.xfrm.km_waitq, &wait);
+ remove_wait_queue(&net->xfrm.km_waitq, &wait);
nx = xfrm_tmpl_resolve(pols, npols, fl, xfrm, family);
}
EXPORT_SYMBOL(__xfrm_lookup);
-int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
+int xfrm_lookup(struct net *net, struct dst_entry **dst_p, struct flowi *fl,
struct sock *sk, int flags)
{
- int err = __xfrm_lookup(dst_p, fl, sk, flags);
+ int err = __xfrm_lookup(net, dst_p, fl, sk, flags);
if (err == -EREMOTE) {
dst_release(*dst_p);
}
if (!pol)
- pol = flow_cache_lookup(&fl, family, fl_dir,
+ pol = flow_cache_lookup(&init_net, &fl, family, fl_dir,
xfrm_policy_lookup);
if (IS_ERR(pol)) {
npols ++;
#ifdef CONFIG_XFRM_SUB_POLICY
if (pols[0]->type != XFRM_POLICY_TYPE_MAIN) {
- pols[1] = xfrm_policy_lookup_bytype(XFRM_POLICY_TYPE_MAIN,
+ pols[1] = xfrm_policy_lookup_bytype(&init_net, XFRM_POLICY_TYPE_MAIN,
&fl, family,
XFRM_POLICY_IN);
if (pols[1]) {
return 0;
}
- return xfrm_lookup(&skb->dst, &fl, NULL, 0) == 0;
+ return xfrm_lookup(&init_net, &skb->dst, &fl, NULL, 0) == 0;
}
EXPORT_SYMBOL(__xfrm_route_forward);