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openvswitch: refactor ovs flow extract API.

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OVS flow extract is called on packet receive or packet
execute code path.  Following patch defines separate API
for extracting flow-key in packet execute code path.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
This commit is contained in:
Pravin B Shelar
2014-09-15 19:20:31 -07:00
parent 2ff3e4e486
commit 83c8df26a3
7 changed files with 71 additions and 41 deletions
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6
net/openvswitch/flow.h
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@@ -187,6 +187,10 @@ void ovs_flow_stats_get(const struct sw_flow *, struct ovs_flow_stats *,
void ovs_flow_stats_clear(struct sw_flow *);
u64 ovs_flow_used_time(unsigned long flow_jiffies);
int ovs_flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *);
int ovs_flow_key_extract(struct sk_buff *skb, struct sw_flow_key *key);
/* Extract key from packet coming from userspace. */
int ovs_flow_key_extract_userspace(const struct nlattr *attr,
struct sk_buff *skb,
struct sw_flow_key *key);
#endif /* flow.h */