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Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_policy.c39
-rw-r--r--net/xfrm/xfrm_user.c18
2 files changed, 27 insertions, 30 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 564aa6492e7c..6847b3579f54 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1433,14 +1433,10 @@ static void xfrm_policy_requeue(struct xfrm_policy *old,
spin_unlock_bh(&pq->hold_queue.lock);
}
-static bool xfrm_policy_mark_match(struct xfrm_policy *policy,
- struct xfrm_policy *pol)
+static inline bool xfrm_policy_mark_match(const struct xfrm_mark *mark,
+ struct xfrm_policy *pol)
{
- if (policy->mark.v == pol->mark.v &&
- policy->priority == pol->priority)
- return true;
-
- return false;
+ return mark->v == pol->mark.v && mark->m == pol->mark.m;
}
static u32 xfrm_pol_bin_key(const void *data, u32 len, u32 seed)
@@ -1503,7 +1499,7 @@ static void xfrm_policy_insert_inexact_list(struct hlist_head *chain,
if (pol->type == policy->type &&
pol->if_id == policy->if_id &&
!selector_cmp(&pol->selector, &policy->selector) &&
- xfrm_policy_mark_match(policy, pol) &&
+ xfrm_policy_mark_match(&policy->mark, pol) &&
xfrm_sec_ctx_match(pol->security, policy->security) &&
!WARN_ON(delpol)) {
delpol = pol;
@@ -1538,7 +1534,7 @@ static struct xfrm_policy *xfrm_policy_insert_list(struct hlist_head *chain,
if (pol->type == policy->type &&
pol->if_id == policy->if_id &&
!selector_cmp(&pol->selector, &policy->selector) &&
- xfrm_policy_mark_match(policy, pol) &&
+ xfrm_policy_mark_match(&policy->mark, pol) &&
xfrm_sec_ctx_match(pol->security, policy->security) &&
!WARN_ON(delpol)) {
if (excl)
@@ -1610,9 +1606,8 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
EXPORT_SYMBOL(xfrm_policy_insert);
static struct xfrm_policy *
-__xfrm_policy_bysel_ctx(struct hlist_head *chain, u32 mark, u32 if_id,
- u8 type, int dir,
- struct xfrm_selector *sel,
+__xfrm_policy_bysel_ctx(struct hlist_head *chain, const struct xfrm_mark *mark,
+ u32 if_id, u8 type, int dir, struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx)
{
struct xfrm_policy *pol;
@@ -1623,7 +1618,7 @@ __xfrm_policy_bysel_ctx(struct hlist_head *chain, u32 mark, u32 if_id,
hlist_for_each_entry(pol, chain, bydst) {
if (pol->type == type &&
pol->if_id == if_id &&
- (mark & pol->mark.m) == pol->mark.v &&
+ xfrm_policy_mark_match(mark, pol) &&
!selector_cmp(sel, &pol->selector) &&
xfrm_sec_ctx_match(ctx, pol->security))
return pol;
@@ -1632,11 +1627,10 @@ __xfrm_policy_bysel_ctx(struct hlist_head *chain, u32 mark, u32 if_id,
return NULL;
}
-struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark, u32 if_id,
- u8 type, int dir,
- struct xfrm_selector *sel,
- struct xfrm_sec_ctx *ctx, int delete,
- int *err)
+struct xfrm_policy *
+xfrm_policy_bysel_ctx(struct net *net, const struct xfrm_mark *mark, u32 if_id,
+ u8 type, int dir, struct xfrm_selector *sel,
+ struct xfrm_sec_ctx *ctx, int delete, int *err)
{
struct xfrm_pol_inexact_bin *bin = NULL;
struct xfrm_policy *pol, *ret = NULL;
@@ -1703,9 +1697,9 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark, u32 if_id,
}
EXPORT_SYMBOL(xfrm_policy_bysel_ctx);
-struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u32 if_id,
- u8 type, int dir, u32 id, int delete,
- int *err)
+struct xfrm_policy *
+xfrm_policy_byid(struct net *net, const struct xfrm_mark *mark, u32 if_id,
+ u8 type, int dir, u32 id, int delete, int *err)
{
struct xfrm_policy *pol, *ret;
struct hlist_head *chain;
@@ -1720,8 +1714,7 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u32 if_id,
ret = NULL;
hlist_for_each_entry(pol, chain, byidx) {
if (pol->type == type && pol->index == id &&
- pol->if_id == if_id &&
- (mark & pol->mark.m) == pol->mark.v) {
+ pol->if_id == if_id && xfrm_policy_mark_match(mark, pol)) {
xfrm_pol_hold(pol);
if (delete) {
*err = security_xfrm_policy_delete(
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index e6cfaa680ef3..fbb7d9d06478 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1863,7 +1863,6 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct km_event c;
int delete;
struct xfrm_mark m;
- u32 mark = xfrm_mark_get(attrs, &m);
u32 if_id = 0;
p = nlmsg_data(nlh);
@@ -1880,8 +1879,11 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
if (attrs[XFRMA_IF_ID])
if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
+ xfrm_mark_get(attrs, &m);
+
if (p->index)
- xp = xfrm_policy_byid(net, mark, if_id, type, p->dir, p->index, delete, &err);
+ xp = xfrm_policy_byid(net, &m, if_id, type, p->dir,
+ p->index, delete, &err);
else {
struct nlattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_sec_ctx *ctx;
@@ -1898,8 +1900,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
return err;
}
- xp = xfrm_policy_bysel_ctx(net, mark, if_id, type, p->dir, &p->sel,
- ctx, delete, &err);
+ xp = xfrm_policy_bysel_ctx(net, &m, if_id, type, p->dir,
+ &p->sel, ctx, delete, &err);
security_xfrm_policy_free(ctx);
}
if (xp == NULL)
@@ -2166,7 +2168,6 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
u8 type = XFRM_POLICY_TYPE_MAIN;
int err = -ENOENT;
struct xfrm_mark m;
- u32 mark = xfrm_mark_get(attrs, &m);
u32 if_id = 0;
err = copy_from_user_policy_type(&type, attrs);
@@ -2180,8 +2181,11 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if (attrs[XFRMA_IF_ID])
if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
+ xfrm_mark_get(attrs, &m);
+
if (p->index)
- xp = xfrm_policy_byid(net, mark, if_id, type, p->dir, p->index, 0, &err);
+ xp = xfrm_policy_byid(net, &m, if_id, type, p->dir, p->index,
+ 0, &err);
else {
struct nlattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_sec_ctx *ctx;
@@ -2198,7 +2202,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
return err;
}
- xp = xfrm_policy_bysel_ctx(net, mark, if_id, type, p->dir,
+ xp = xfrm_policy_bysel_ctx(net, &m, if_id, type, p->dir,
&p->sel, ctx, 0, &err);
security_xfrm_policy_free(ctx);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 04:11:01 +0000