net: Make flow cache paths use a const struct flowi.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/flow.c b/net/core/flow.c
index 127c8a7..990703b 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -172,9 +172,9 @@
static u32 flow_hash_code(struct flow_cache *fc,
struct flow_cache_percpu *fcp,
- struct flowi *key)
+ const struct flowi *key)
{
- u32 *k = (u32 *) key;
+ const u32 *k = (const u32 *) key;
return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd)
& (flow_cache_hash_size(fc) - 1);
@@ -186,17 +186,17 @@
* important assumptions that we can here, such as alignment and
* constant size.
*/
-static int flow_key_compare(struct flowi *key1, struct flowi *key2)
+static int flow_key_compare(const struct flowi *key1, const struct flowi *key2)
{
- flow_compare_t *k1, *k1_lim, *k2;
+ const flow_compare_t *k1, *k1_lim, *k2;
const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t);
BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t));
- k1 = (flow_compare_t *) key1;
+ k1 = (const flow_compare_t *) key1;
k1_lim = k1 + n_elem;
- k2 = (flow_compare_t *) key2;
+ k2 = (const flow_compare_t *) key2;
do {
if (*k1++ != *k2++)
@@ -207,7 +207,7 @@
}
struct flow_cache_object *
-flow_cache_lookup(struct net *net, struct flowi *key, u16 family, u8 dir,
+flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
flow_resolve_t resolver, void *ctx)
{
struct flow_cache *fc = &flow_cache_global;