EMC's key length is not initialized when insertion. Initialize the
key length before insertion.
The code might be put in another place, for now I just put it
in dfc_lookup.
Signed-off-by: Yipeng Wang <yipeng1.w...@intel.com>
---
lib/dpif-netdev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index b9f4b6d..3e87992 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -2295,7 +2295,7 @@ dfc_insert(struct dp_netdev_pmd_thread *pmd,
}
static inline struct dp_netdev_flow *
-dfc_lookup(struct dfc_cache *cache, const struct netdev_flow_key *key,
+dfc_lookup(struct dfc_cache *cache, struct netdev_flow_key *key,
bool *exact_match)
{
struct dp_netdev_flow *flow;
@@ -2317,6 +2317,7 @@ dfc_lookup(struct dfc_cache *cache, const struct
netdev_flow_key *key,
/* Found a match in DFC. Insert into EMC for subsequent lookups.
* We use probabilistic insertion here so that mainly elephant
* flows enter EMC. */
+ key->len = netdev_flow_key_size(miniflow_n_values(&key->mf));
emc_probabilistic_insert(&cache->emc_cache, key, flow);
*exact_match = false;
return flow;
--
2.7.4
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