3 dup ack causes cwnd go to 1 mss while sack is enabled

2013-10-02 Thread Jinhua Cao
At present, it seems 3 dup ack would cause cwnd go to 1 mss while sack enabld (line 2525 in tcp_input as attached). Is this following rfc? Thanks, -Jason 2494 } else if (tp->t_dupacks == tcprexmtthresh) {2495 tcp_seq onxt = tp->snd_nxt;24962497 /*2498 * If we're doing sack, check to2499 * see if

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
Thanks Luigi. Coming back to this thread to actually understand what's going on. On Tue, Sep 24, 2013 at 8:37 PM, Luigi Rizzo wrote: > > > > On this box, I have 2 interfaces igb0 (10.73.149.28) and ix1 > (10.73.149.17) > > and this is how I am using this binary: > > > > -bash-4.2$ sudo ./pkt-ge

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
On Wed, Oct 2, 2013 at 1:18 PM, hiren panchasara wrote: > > Thanks Luigi. > > Coming back to this thread to actually understand what's going on. > > > On Tue, Sep 24, 2013 at 8:37 PM, Luigi Rizzo wrote: > >> > >> > On this box, I have 2 interfaces igb0 (10.73.149.28) and ix1 >> (10.73.149.17) >>

Re: kern/181741

2013-10-02 Thread Gleb Smirnoff
The following reply was made to PR kern/181741; it has been noted by GNATS. From: Gleb Smirnoff To: Yuri Cc: bug-follo...@freebsd.org Subject: Re: kern/181741 Date: Thu, 3 Oct 2013 02:26:49 +0400 --O5XBE6gyVG5Rl6Rj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
On Wed, Oct 2, 2013 at 3:11 PM, hiren panchasara wrote: > > > > On Wed, Oct 2, 2013 at 1:18 PM, hiren panchasara < > hiren.panchas...@gmail.com> wrote: > >> >> Thanks Luigi. >> >> Coming back to this thread to actually understand what's going on. >> >> >> On Tue, Sep 24, 2013 at 8:37 PM, Luigi Ri

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
On Wed, Oct 2, 2013 at 4:15 PM, hiren panchasara wrote: > > > > On Wed, Oct 2, 2013 at 3:11 PM, hiren panchasara < > hiren.panchas...@gmail.com> wrote: > >> >> >> >> On Wed, Oct 2, 2013 at 1:18 PM, hiren panchasara < >> hiren.panchas...@gmail.com> wrote: >> >>> >>> Thanks Luigi. >>> >>> Coming ba

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
On Wed, Oct 2, 2013 at 4:39 PM, hiren panchasara wrote: > > > > On Wed, Oct 2, 2013 at 4:15 PM, hiren panchasara < > hiren.panchas...@gmail.com> wrote: > >> >> >> >> On Wed, Oct 2, 2013 at 3:11 PM, hiren panchasara < >> hiren.panchas...@gmail.com> wrote: >> >>> >>> >>> >>> On Wed, Oct 2, 2013 at

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread Luigi Rizzo
On Thu, Oct 3, 2013 at 6:34 AM, hiren panchasara wrote: > > Thanks Luigi. > > Coming back to this thread to actually understand what's going on. > > > On Tue, Sep 24, 2013 at 8:37 PM, Luigi Rizzo wrote: > >> > >> > On this box, I have 2 interfaces igb0 (10.73.149.2

Re: netmap: understanding pkg-gen.c

2013-10-02 Thread hiren panchasara
On Wed, Oct 2, 2013 at 11:05 PM, Luigi Rizzo wrote: > > > > On Thu, Oct 3, 2013 at 6:34 AM, hiren panchasara < > hiren.panchas...@gmail.com> wrote: > >> >> Thanks Luigi. >> >> Coming back to this thread to actually understand what's going on. >> >> >> On Tue, Sep 24, 2013 at