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[TCP]: Convert highest_sack to sk_buff to allow direct access

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It is going to replace the sack fastpath hint quite soon... :-)

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen
2007-11-15 19:41:46 -08:00
committed by David S. Miller
parent 85cc391c0e
commit a47e5a988a
4 changed files with 30 additions and 17 deletions
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6
include/linux/tcp.h
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@ -332,8 +332,10 @@ struct tcp_sock {
struct tcp_sack_block_wire recv_sack_cache[4];
u32 highest_sack; /* Start seq of globally highest revd SACK
* (validity guaranteed only if sacked_out > 0) */
struct sk_buff *highest_sack; /* highest skb with SACK received
* (validity guaranteed only if
* sacked_out > 0)
*/
/* from STCP, retrans queue hinting */
struct sk_buff* lost_skb_hint;