[TCP]: Add highest_sack seqno, points to globally highest SACK

[linux-2.6-omap-h63xx.git] / include / linux / tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c6b9f92e8289949bde61f0ea384f48349d5a083f..c072f88afb979ef61f107999dde18956e26727d8 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -333,6 +333,8 @@ struct tcp_sock {
 
        struct tcp_sack_block_wire recv_sack_cache[4];
 
+       u32     highest_sack;   /* Start seq of globally highest revd SACK (valid only in slowpath) */
+
        /* from STCP, retrans queue hinting */
        struct sk_buff* lost_skb_hint;