tcp: track reorder with sacks

[vpp.git] / src / vnet / tcp / tcp_types.h

diff --git a/src/vnet/tcp/tcp_types.h b/src/vnet/tcp/tcp_types.h
index d7bcac5..027f0e6 100644 (file)
--- a/src/vnet/tcp/tcp_types.h
+++ b/src/vnet/tcp/tcp_types.h
@@ -151,6 +151,7 @@ typedef enum tcp_connection_flag_
 #define TCP_SCOREBOARD_TRACE (0)
 #define TCP_MAX_SACK_BLOCKS 255        /**< Max number of SACK blocks stored */
 #define TCP_INVALID_SACK_HOLE_INDEX ((u32)~0)
+#define TCP_MAX_SACK_REORDER 300
 
 typedef struct _scoreboard_trace_elt
 {
@@ -185,7 +186,8 @@ typedef struct _sack_scoreboard
   u32 lost_bytes;                      /**< Bytes lost as per RFC6675 */
   u32 last_lost_bytes;                 /**< Number of bytes last lost */
   u32 cur_rxt_hole;                    /**< Retransmitting from this hole */
-  u8 is_reneging;
+  u32 reorder;                         /**< Estimate of segment reordering */
+  u8 is_reneging;                      /**< Flag set if peer is reneging*/
 
 #if TCP_SCOREBOARD_TRACE
   scoreboard_trace_elt_t *trace;