[TCP]: speed up SACK processing

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

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 737b32e529561801040fdd3212d5c43ed4ddeae1..0e1da6602e054c24ee3f27f8dfe8b5d288e00c69 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -307,6 +307,21 @@ struct tcp_sock {
        struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */
        struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/
 
+       struct tcp_sack_block recv_sack_cache[4];
+
+       /* from STCP, retrans queue hinting */
+       struct sk_buff* lost_skb_hint;
+
+       struct sk_buff *scoreboard_skb_hint;
+       struct sk_buff *retransmit_skb_hint;
+       struct sk_buff *forward_skb_hint;
+       struct sk_buff *fastpath_skb_hint;
+
+       int     fastpath_cnt_hint;
+       int     lost_cnt_hint;
+       int     retransmit_cnt_hint;
+       int     forward_cnt_hint;
+
        __u16   advmss;         /* Advertised MSS                       */
        __u16   prior_ssthresh; /* ssthresh saved at recovery start     */
        __u32   lost_out;       /* Lost packets                 */