On Sun, Aug 6, 2017 at 3:44 AM, Willy Tarreau wrote:
>
> On Sun, Aug 06, 2017 at 07:39:57AM +, maowenan wrote:
> >
> > [Mao Wenan]It works well with these patches of v3.10, and the
> > retransmission packet is about 250ms after TLP probe.
> > Thank you very much for these patches under 3.10.
On Sun, Aug 6, 2017 at 3:44 AM, Willy Tarreau wrote:
>
> On Sun, Aug 06, 2017 at 07:39:57AM +, maowenan wrote:
> >
> > [Mao Wenan]It works well with these patches of v3.10, and the
> > retransmission packet is about 250ms after TLP probe.
> > Thank you very much for these patches under 3.10.
Yuchung Cheng; Nandita
> > Dukkipati; Eric Dumazet
> > Subject: Re: [PATCH net 3/3] tcp: fix xmit timer to only be reset if data
> > ACKed/SACKed
> >
> > On Fri, Aug 04, 2017 at 02:01:34PM -0400, Neal Cardwell wrote:
> > > On Fri, Aug 4, 2017 at 1:10 PM, Wil
> -Original Message-
> From: Willy Tarreau [mailto:w...@1wt.eu]
> Sent: Saturday, August 05, 2017 2:19 AM
> To: Neal Cardwell
> Cc: maowenan; David Miller; netdev@vger.kernel.org; Yuchung Cheng; Nandita
> Dukkipati; Eric Dumazet
> Subject: Re: [PATCH net 3/3] tcp: f
On Fri, Aug 04, 2017 at 02:01:34PM -0400, Neal Cardwell wrote:
> On Fri, Aug 4, 2017 at 1:10 PM, Willy Tarreau wrote:
> > Hi Neal,
> >
> > On Fri, Aug 04, 2017 at 12:59:51PM -0400, Neal Cardwell wrote:
> >> I have attached patches for this fix rebased on to v3.10.107, the
> >> latest stable releas
On Fri, Aug 4, 2017 at 1:10 PM, Willy Tarreau wrote:
> Hi Neal,
>
> On Fri, Aug 04, 2017 at 12:59:51PM -0400, Neal Cardwell wrote:
>> I have attached patches for this fix rebased on to v3.10.107, the
>> latest stable release for 3.10. That's pretty far back in history, so
>> there were substantial
Hi Neal,
On Fri, Aug 04, 2017 at 12:59:51PM -0400, Neal Cardwell wrote:
> I have attached patches for this fix rebased on to v3.10.107, the
> latest stable release for 3.10. That's pretty far back in history, so
> there were substantial conflict resolutions and adjustments required.
> :-) Hope tha
On Fri, Aug 4, 2017 at 3:33 AM, maowenan wrote:
> [Mao Wenan]Follow previous mail, in lower version such as 3.10, I found
> there are many timer type, e.g:ICSK_TIME_EARLY_RETRANS, RTO,PTO
> are used. I'm not sure there exist some unknown problem if we don't check
> isck_pending here and below if b
On Fri, Aug 4, 2017 at 3:12 AM, maowenan wrote:
> > > --- a/net/ipv4/tcp_output.c
> > > +++ b/net/ipv4/tcp_output.c
> > > @@ -2380,21 +2380,12 @@ bool tcp_schedule_loss_probe(struct sock *sk)
> > > u32 rtt = usecs_to_jiffies(tp->srtt_us >> 3);
> > > u32 timeout, rto_delta_us;
> > >
> > > -
> -Original Message-
> From: maowenan
> Sent: Tuesday, August 01, 2017 8:20 PM
> To: 'Neal Cardwell'; David Miller
> Cc: netdev@vger.kernel.org; Yuchung Cheng; Nandita Dukkipati
> Subject: RE: [PATCH net 3/3] tcp: fix xmit timer to only be
> -Original Message-
> From: maowenan
> Sent: Tuesday, August 01, 2017 8:20 PM
> To: 'Neal Cardwell'; David Miller
> Cc: netdev@vger.kernel.org; Yuchung Cheng; Nandita Dukkipati
> Subject: RE: [PATCH net 3/3] tcp: fix xmit timer to only be
On Tue, Aug 1, 2017 at 8:20 AM, maowenan wrote:
> > + /* If needed, reset TLP/RTO timer; RACK may later override this. */
> [Mao Wenan] I have question about RACK, if there is no RACK feature
> in lower version, who can clear this flag:FLAG_SET_XMIT_TIMER?
In the comment, "this" is referring
Subject: [PATCH net 3/3] tcp: fix xmit timer to only be reset if data
> ACKed/SACKed
>
> Fix a TCP loss recovery performance bug raised recently on the netdev list, in
> two threads:
>
> (i) July 26, 2017: netdev thread "TCP fast retransmit issues"
> (ii) July 26,
On Mon, 2017-07-31 at 22:58 -0400, Neal Cardwell wrote:
> Fix a TCP loss recovery performance bug raised recently on the netdev
> list, in two threads:
>
> (i) July 26, 2017: netdev thread "TCP fast retransmit issues"
> (ii) July 26, 2017: netdev thread:
> "[PATCH V2 net-next] TLP: Don't res
Fix a TCP loss recovery performance bug raised recently on the netdev
list, in two threads:
(i) July 26, 2017: netdev thread "TCP fast retransmit issues"
(ii) July 26, 2017: netdev thread:
"[PATCH V2 net-next] TLP: Don't reschedule PTO when there's one
outstanding TLP retransmission"
T
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