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flow_dissector: fix doc for skb_get_poff

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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2015-05-12 14:56:14 +02:00 committed by David S. Miller
parent 638b2a699f
commit 0db89b8b32
1 changed files with 6 additions and 2 deletions
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6
net/core/flow_dissector.c
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@ -417,7 +417,11 @@ u32 __skb_get_poff(const struct sk_buff *skb, void *data,
return poff;
}
/* skb_get_poff() returns the offset to the payload as far as it could
/**
* skb_get_poff - get the offset to the payload
* @skb: sk_buff to get the payload offset from
*
* The function will get the offset to the payload as far as it could
* be dissected. The main user is currently BPF, so that we can dynamically
* truncate packets without needing to push actual payload to the user
* space and can analyze headers only, instead.