patch-1.3.89 linux/net/ipv4/tcp_input.c

• Lines: 24
• Date: Mon Apr 15 08:30:06 1996
• Orig file: v1.3.88/linux/net/ipv4/tcp_input.c
• Orig date: Sat Apr 13 18:22:08 1996

diff -u --recursive --new-file v1.3.88/linux/net/ipv4/tcp_input.c linux/net/ipv4/tcp_input.c
@@ -705,10 +705,11 @@
 	 *	right hand window edge of the host.
 	 *	We do a bit of work here to track number of times we've
 	 *	seen this ack without a change in the right edge of the
-	 *	window. This will allow us to do fast retransmits.
+	 *	window and no data in the packet.
+	 *	This will allow us to do fast retransmits.
 	 */
 
-	if (sk->rcv_ack_seq == ack && sk->window_seq == window_seq)
+	if (sk->rcv_ack_seq == ack && sk->window_seq == window_seq && !(flag&1))
 	{
 		/*
 		 * We only want to short cut this once, many
@@ -1318,8 +1319,7 @@
 		    if(sk->debug)
 			    printk("Ack past end of seq packet.\n");
 		    tcp_send_ack(sk);
-		    sk->ack_backlog++;
-		    tcp_reset_xmit_timer(sk, TIME_WRITE, min(sk->ato, HZ/2));
+		    tcp_send_delayed_ack(sk,HZ/2);
 	    }
 	}
 }