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-rw-r--r--net/xfrm/xfrm_policy.c77
-rw-r--r--net/xfrm/xfrm_state.c18
-rw-r--r--net/xfrm/xfrm_user.c14
3 files changed, 79 insertions, 30 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index cb81ca35b0d6..0ecb16a9a883 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -469,16 +469,16 @@ static inline int xfrm_byidx_should_resize(struct net *net, int total)
return 0;
}
-void xfrm_spd_getinfo(struct xfrmk_spdinfo *si)
+void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si)
{
read_lock_bh(&xfrm_policy_lock);
- si->incnt = init_net.xfrm.policy_count[XFRM_POLICY_IN];
- si->outcnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT];
- si->fwdcnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD];
- si->inscnt = init_net.xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX];
- si->outscnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX];
- si->fwdscnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];
- si->spdhcnt = init_net.xfrm.policy_idx_hmask;
+ si->incnt = net->xfrm.policy_count[XFRM_POLICY_IN];
+ si->outcnt = net->xfrm.policy_count[XFRM_POLICY_OUT];
+ si->fwdcnt = net->xfrm.policy_count[XFRM_POLICY_FWD];
+ si->inscnt = net->xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX];
+ si->outscnt = net->xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX];
+ si->fwdscnt = net->xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];
+ si->spdhcnt = net->xfrm.policy_idx_hmask;
si->spdhmcnt = xfrm_policy_hashmax;
read_unlock_bh(&xfrm_policy_lock);
}
@@ -1309,15 +1309,28 @@ static inline int xfrm_get_tos(struct flowi *fl, int family)
return tos;
}
-static inline struct xfrm_dst *xfrm_alloc_dst(int family)
+static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
{
struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family);
+ struct dst_ops *dst_ops;
struct xfrm_dst *xdst;
if (!afinfo)
return ERR_PTR(-EINVAL);
- xdst = dst_alloc(afinfo->dst_ops) ?: ERR_PTR(-ENOBUFS);
+ switch (family) {
+ case AF_INET:
+ dst_ops = &net->xfrm.xfrm4_dst_ops;
+ break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ dst_ops = &net->xfrm.xfrm6_dst_ops;
+ break;
+#endif
+ default:
+ BUG();
+ }
+ xdst = dst_alloc(dst_ops) ?: ERR_PTR(-ENOBUFS);
xfrm_policy_put_afinfo(afinfo);
@@ -1366,6 +1379,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
struct flowi *fl,
struct dst_entry *dst)
{
+ struct net *net = xp_net(policy);
unsigned long now = jiffies;
struct net_device *dev;
struct dst_entry *dst_prev = NULL;
@@ -1389,7 +1403,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
dst_hold(dst);
for (; i < nx; i++) {
- struct xfrm_dst *xdst = xfrm_alloc_dst(family);
+ struct xfrm_dst *xdst = xfrm_alloc_dst(net, family);
struct dst_entry *dst1 = &xdst->u.dst;
err = PTR_ERR(xdst);
@@ -1445,7 +1459,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
if (!dev)
goto free_dst;
- /* Copy neighbout for reachability confirmation */
+ /* Copy neighbour for reachability confirmation */
dst0->neighbour = neigh_clone(dst->neighbour);
xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len);
@@ -2279,6 +2293,7 @@ EXPORT_SYMBOL(xfrm_bundle_ok);
int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
{
+ struct net *net;
int err = 0;
if (unlikely(afinfo == NULL))
return -EINVAL;
@@ -2302,6 +2317,27 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
xfrm_policy_afinfo[afinfo->family] = afinfo;
}
write_unlock_bh(&xfrm_policy_afinfo_lock);
+
+ rtnl_lock();
+ for_each_net(net) {
+ struct dst_ops *xfrm_dst_ops;
+
+ switch (afinfo->family) {
+ case AF_INET:
+ xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops;
+ break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops;
+ break;
+#endif
+ default:
+ BUG();
+ }
+ *xfrm_dst_ops = *afinfo->dst_ops;
+ }
+ rtnl_unlock();
+
return err;
}
EXPORT_SYMBOL(xfrm_policy_register_afinfo);
@@ -2332,6 +2368,22 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
}
EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
+static void __net_init xfrm_dst_ops_init(struct net *net)
+{
+ struct xfrm_policy_afinfo *afinfo;
+
+ read_lock_bh(&xfrm_policy_afinfo_lock);
+ afinfo = xfrm_policy_afinfo[AF_INET];
+ if (afinfo)
+ net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ afinfo = xfrm_policy_afinfo[AF_INET6];
+ if (afinfo)
+ net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
+#endif
+ read_unlock_bh(&xfrm_policy_afinfo_lock);
+}
+
static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family)
{
struct xfrm_policy_afinfo *afinfo;
@@ -2494,6 +2546,7 @@ static int __net_init xfrm_net_init(struct net *net)
rv = xfrm_policy_init(net);
if (rv < 0)
goto out_policy;
+ xfrm_dst_ops_init(net);
rv = xfrm_sysctl_init(net);
if (rv < 0)
goto out_sysctl;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d847f1a52b44..f445ea1c5f52 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -641,11 +641,11 @@ out:
}
EXPORT_SYMBOL(xfrm_state_flush);
-void xfrm_sad_getinfo(struct xfrmk_sadinfo *si)
+void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
{
spin_lock_bh(&xfrm_state_lock);
- si->sadcnt = init_net.xfrm.state_num;
- si->sadhcnt = init_net.xfrm.state_hmask;
+ si->sadcnt = net->xfrm.state_num;
+ si->sadhcnt = net->xfrm.state_hmask;
si->sadhmcnt = xfrm_state_hashmax;
spin_unlock_bh(&xfrm_state_lock);
}
@@ -1102,7 +1102,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
int err = -ENOMEM;
struct xfrm_state *x = xfrm_state_alloc(net);
if (!x)
- goto error;
+ goto out;
memcpy(&x->id, &orig->id, sizeof(x->id));
memcpy(&x->sel, &orig->sel, sizeof(x->sel));
@@ -1160,16 +1160,10 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
return x;
error:
+ xfrm_state_put(x);
+out:
if (errp)
*errp = err;
- if (x) {
- kfree(x->aalg);
- kfree(x->ealg);
- kfree(x->calg);
- kfree(x->encap);
- kfree(x->coaddr);
- }
- kfree(x);
return NULL;
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 1ada6186933c..d5a712976004 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -781,7 +781,8 @@ static inline size_t xfrm_spdinfo_msgsize(void)
+ nla_total_size(sizeof(struct xfrmu_spdhinfo));
}
-static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
+static int build_spdinfo(struct sk_buff *skb, struct net *net,
+ u32 pid, u32 seq, u32 flags)
{
struct xfrmk_spdinfo si;
struct xfrmu_spdinfo spc;
@@ -795,7 +796,7 @@ static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
f = nlmsg_data(nlh);
*f = flags;
- xfrm_spd_getinfo(&si);
+ xfrm_spd_getinfo(net, &si);
spc.incnt = si.incnt;
spc.outcnt = si.outcnt;
spc.fwdcnt = si.fwdcnt;
@@ -828,7 +829,7 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
if (r_skb == NULL)
return -ENOMEM;
- if (build_spdinfo(r_skb, spid, seq, *flags) < 0)
+ if (build_spdinfo(r_skb, net, spid, seq, *flags) < 0)
BUG();
return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
@@ -841,7 +842,8 @@ static inline size_t xfrm_sadinfo_msgsize(void)
+ nla_total_size(4); /* XFRMA_SAD_CNT */
}
-static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
+static int build_sadinfo(struct sk_buff *skb, struct net *net,
+ u32 pid, u32 seq, u32 flags)
{
struct xfrmk_sadinfo si;
struct xfrmu_sadhinfo sh;
@@ -854,7 +856,7 @@ static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
f = nlmsg_data(nlh);
*f = flags;
- xfrm_sad_getinfo(&si);
+ xfrm_sad_getinfo(net, &si);
sh.sadhmcnt = si.sadhmcnt;
sh.sadhcnt = si.sadhcnt;
@@ -882,7 +884,7 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
if (r_skb == NULL)
return -ENOMEM;
- if (build_sadinfo(r_skb, spid, seq, *flags) < 0)
+ if (build_sadinfo(r_skb, net, spid, seq, *flags) < 0)
BUG();
return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 12:24:08 +0000