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

[pandora-kernel.git] / include / linux / tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index f8cf090..34acee6 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -315,7 +315,7 @@ struct tcp_sock {
  */
        u32     snd_ssthresh;   /* Slow start size threshold            */
        u32     snd_cwnd;       /* Sending congestion window            */
-       u16     snd_cwnd_cnt;   /* Linear increase counter              */
+       u32     snd_cwnd_cnt;   /* Linear increase counter              */
        u32     snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */
        u32     snd_cwnd_used;
        u32     snd_cwnd_stamp;
@@ -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;
@@ -343,10 +345,13 @@ struct tcp_sock {
        struct sk_buff *forward_skb_hint;
        struct sk_buff *fastpath_skb_hint;
 
-       int     fastpath_cnt_hint;
+       int     fastpath_cnt_hint;      /* Lags behind by current skb's pcount
+                                        * compared to respective fackets_out */
        int     lost_cnt_hint;
        int     retransmit_cnt_hint;
 
+       u32     lost_retrans_low;       /* Sent seq after any rxmit (lowest) */
+
        u16     advmss;         /* Advertised MSS                       */
        u16     prior_ssthresh; /* ssthresh saved at recovery start     */
        u32     lost_out;       /* Lost packets                 */