This fix is needed and can  be included in 1/4 in next revision.

- Bhanuprakash.

>-----Original Message-----
>From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev-
>boun...@openvswitch.org] On Behalf Of Yipeng Wang
>Sent: Thursday, January 18, 2018 6:20 PM
>To: d...@openvswitch.org; jan.scheur...@ericsson.com
>Cc: Tai, Charlie <charlie....@intel.com>
>Subject: [ovs-dev] [RFC 2/4] dpif-netdev: Fix EMC key length
>
>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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