On Tue, 30 Mar 1999, David Miller wrote:
> Nice work... but I think the following is a better fix, can you
> test it for me? I just did this using my eyes.
Yes, this is correct, and fixes the more general problem. Attached is the
patch, including the changelog entry that I forgot to put in.
Taral
--- tcp_input.c.nodebug Mon Mar 29 17:37:43 1999
+++ tcp_input.c Tue Mar 30 10:41:37 1999
@@ -55,6 +55,7 @@
* work without delayed acks.
* Andi Kleen: Process packets with PSH set in the
* fast path.
+ * Taral: Don't drop retransmitted packets before
+looking at ACK field.
*/
#include <linux/config.h>
@@ -253,7 +254,7 @@
u32 end_window = tp->rcv_wup + tp->rcv_wnd;
if (tp->rcv_wnd &&
- after(end_seq, tp->rcv_nxt) &&
+ !before(end_seq, tp->rcv_nxt) &&
before(seq, end_window))
return 1;
if (seq != end_window)
