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authorVenkat Yekkirala <vyekkirala@TrustedCS.com>2006-07-24 23:29:07 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 14:53:24 -0700
commite0d1caa7b0d5f02e4f34aa09c695d04251310c6c (patch)
treebf023c17abf6813f2694ebf5fafff82edd6a1023 /net/core/flow.c
parentb6340fcd761acf9249b3acbc95c4dc555d9beb07 (diff)
downloadop-kernel-dev-e0d1caa7b0d5f02e4f34aa09c695d04251310c6c.zip
op-kernel-dev-e0d1caa7b0d5f02e4f34aa09c695d04251310c6c.tar.gz
[MLSXFRM]: Flow based matching of xfrm policy and state
This implements a seemless mechanism for xfrm policy selection and state matching based on the flow sid. This also includes the necessary SELinux enforcement pieces. Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/flow.c')
-rw-r--r--net/core/flow.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/core/flow.c b/net/core/flow.c
index 2191af5..6452411 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -32,7 +32,6 @@ struct flow_cache_entry {
u8 dir;
struct flowi key;
u32 genid;
- u32 sk_sid;
void *object;
atomic_t *object_ref;
};
@@ -165,7 +164,7 @@ static int flow_key_compare(struct flowi *key1, struct flowi *key2)
return 0;
}
-void *flow_cache_lookup(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
+void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
flow_resolve_t resolver)
{
struct flow_cache_entry *fle, **head;
@@ -189,7 +188,6 @@ void *flow_cache_lookup(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
for (fle = *head; fle; fle = fle->next) {
if (fle->family == family &&
fle->dir == dir &&
- fle->sk_sid == sk_sid &&
flow_key_compare(key, &fle->key) == 0) {
if (fle->genid == atomic_read(&flow_cache_genid)) {
void *ret = fle->object;
@@ -214,7 +212,6 @@ void *flow_cache_lookup(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
*head = fle;
fle->family = family;
fle->dir = dir;
- fle->sk_sid = sk_sid;
memcpy(&fle->key, key, sizeof(*key));
fle->object = NULL;
flow_count(cpu)++;
@@ -226,7 +223,7 @@ nocache:
void *obj;
atomic_t *obj_ref;
- resolver(key, sk_sid, family, dir, &obj, &obj_ref);
+ resolver(key, family, dir, &obj, &obj_ref);
if (fle) {
fle->genid = atomic_read(&flow_cache_genid);
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