Rx: Reject out of order ACK packets

[openafs.git] / src / rx / rx.h

diff --git a/src/rx/rx.h b/src/rx/rx.h
index 8704990..2c05d30 100644 (file)
--- a/src/rx/rx.h
+++ b/src/rx/rx.h
@@ -518,6 +518,7 @@ struct rx_call {
     afs_uint32 rwind;          /* The receive window:  the peer must not send packets with sequence numbers >= rnext+rwind */
     afs_uint32 tfirst;         /* First unacknowledged transmit packet number */
     afs_uint32 tnext;          /* Next transmit sequence number to use */
+    afs_uint32 tprev;          /* Last packet that we saw an ack for */
     u_short twind;             /* The transmit window:  we cannot assign a sequence number to a packet >= tfirst + twind */
     u_short cwind;             /* The congestion window */
     u_short nSoftAcked;                /* Number soft acked transmit packets */