xfrm: Add oif to dst lookups

[linux-drm-fsl-dcu.git] / net / xfrm / xfrm_policy.c

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 18cead7645be0e75621e1b08a9e02621e75b7a4c..94af3d0657859e98c61d3f9b2babebcab722aec8 100644 (file)
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -115,7 +115,8 @@ static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo)
        rcu_read_unlock();
 }
 
-static inline struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos,
+static inline struct dst_entry *__xfrm_dst_lookup(struct net *net,
+                                                 int tos, int oif,
                                                  const xfrm_address_t *saddr,
                                                  const xfrm_address_t *daddr,
                                                  int family)
@@ -127,14 +128,15 @@ static inline struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos,
        if (unlikely(afinfo == NULL))
                return ERR_PTR(-EAFNOSUPPORT);
 
-       dst = afinfo->dst_lookup(net, tos, saddr, daddr);
+       dst = afinfo->dst_lookup(net, tos, oif, saddr, daddr);
 
        xfrm_policy_put_afinfo(afinfo);
 
        return dst;
 }
 
-static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x, int tos,
+static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x,
+                                               int tos, int oif,
                                                xfrm_address_t *prev_saddr,
                                                xfrm_address_t *prev_daddr,
                                                int family)
@@ -153,7 +155,7 @@ static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x, int tos,
                daddr = x->coaddr;
        }
 
-       dst = __xfrm_dst_lookup(net, tos, saddr, daddr, family);
+       dst = __xfrm_dst_lookup(net, tos, oif, saddr, daddr, family);
 
        if (!IS_ERR(dst)) {
                if (prev_saddr != saddr)
@@ -1373,15 +1375,15 @@ int __xfrm_sk_clone_policy(struct sock *sk)
 }
 
 static int
-xfrm_get_saddr(struct net *net, xfrm_address_t *local, xfrm_address_t *remote,
-              unsigned short family)
+xfrm_get_saddr(struct net *net, int oif, xfrm_address_t *local,
+              xfrm_address_t *remote, unsigned short family)
 {
        int err;
        struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family);
 
        if (unlikely(afinfo == NULL))
                return -EINVAL;
-       err = afinfo->get_saddr(net, local, remote);
+       err = afinfo->get_saddr(net, oif, local, remote);
        xfrm_policy_put_afinfo(afinfo);
        return err;
 }
@@ -1410,7 +1412,9 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, const struct flowi *fl,
                        remote = &tmpl->id.daddr;
                        local = &tmpl->saddr;
                        if (xfrm_addr_any(local, tmpl->encap_family)) {
-                               error = xfrm_get_saddr(net, &tmp, remote, tmpl->encap_family);
+                               error = xfrm_get_saddr(net, fl->flowi_oif,
+                                                      &tmp, remote,
+                                                      tmpl->encap_family);
                                if (error)
                                        goto fail;
                                local = &tmp;
@@ -1690,8 +1694,8 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
 
                if (xfrm[i]->props.mode != XFRM_MODE_TRANSPORT) {
                        family = xfrm[i]->props.family;
-                       dst = xfrm_dst_lookup(xfrm[i], tos, &saddr, &daddr,
-                                             family);
+                       dst = xfrm_dst_lookup(xfrm[i], tos, fl->flowi_oif,
+                                             &saddr, &daddr, family);
                        err = PTR_ERR(dst);
                        if (IS_ERR(dst))
                                goto put_states;