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flow_dissector: factor out the ports extraction in skb_flow_get_ports

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Factor out the code that extracts the ports from skb_flow_dissect and
add a new function skb_flow_get_ports which can be re-used.

Suggested-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
2013-10-02 13:39:24 +02:00
committed by David S. Miller
parent 5080546682
commit 357afe9c46
2 changed files with 29 additions and 11 deletions
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include/net/flow_keys.h
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@@ -14,4 +14,5 @@ struct flow_keys {
};
bool skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow);
__be32 skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto);
#endif