From: Jakub Kicinski
> Sent: 25 August 2017 20:34
>
> On Fri, 25 Aug 2017 08:24:49 -0700, Jacob Keller wrote:
> > Under some circumstances, such as with many stacked devices, it is
> > possible that dev_hard_start_xmit will bundle many packets together, and
> > mark them all with xmit_more.
>
> Ex
> -Original Message-
> From: netdev-ow...@vger.kernel.org [mailto:netdev-ow...@vger.kernel.org] On
> Behalf Of Jakub Kicinski
> Sent: Friday, August 25, 2017 12:34 PM
> To: Keller, Jacob E
> Cc: netdev@vger.kernel.org
> Subject: Re: [RFC PATCH] net: limit maximum numb
Subject: Re: [RFC PATCH] net: limit maximum number of packets to mark with
> xmit_more
>
> On Fri, Aug 25, 2017 at 8:58 AM, Stephen Hemminger
> wrote:
> > On Fri, 25 Aug 2017 15:36:22 +
> > "Waskiewicz Jr, Peter" wrote:
> >
> >> On 8/25/17 11
On Fri, Aug 25, 2017 at 8:58 AM, Stephen Hemminger
wrote:
> On Fri, 25 Aug 2017 15:36:22 +
> "Waskiewicz Jr, Peter" wrote:
>
>> On 8/25/17 11:25 AM, Jacob Keller wrote:
>> > Under some circumstances, such as with many stacked devices, it is
>> > possible that dev_hard_start_xmit will bundle m
On Fri, 25 Aug 2017 08:24:49 -0700, Jacob Keller wrote:
> Under some circumstances, such as with many stacked devices, it is
> possible that dev_hard_start_xmit will bundle many packets together, and
> mark them all with xmit_more.
Excuse my ignorance but what are those stacked devices? Could the
> -Original Message-
> From: Stephen Hemminger [mailto:step...@networkplumber.org]
> Sent: Friday, August 25, 2017 8:58 AM
> To: Waskiewicz Jr, Peter
> Cc: Keller, Jacob E ; netdev@vger.kernel.org
> Subject: Re: [RFC PATCH] net: limit maximum number of packets to mar
On Fri, 25 Aug 2017 15:36:22 +
"Waskiewicz Jr, Peter" wrote:
> On 8/25/17 11:25 AM, Jacob Keller wrote:
> > Under some circumstances, such as with many stacked devices, it is
> > possible that dev_hard_start_xmit will bundle many packets together, and
> > mark them all with xmit_more.
> >
>
On 8/25/17 11:25 AM, Jacob Keller wrote:
> Under some circumstances, such as with many stacked devices, it is
> possible that dev_hard_start_xmit will bundle many packets together, and
> mark them all with xmit_more.
>
> Most drivers respond to xmit_more by skipping tail bumps on packet
> rings, o
Under some circumstances, such as with many stacked devices, it is
possible that dev_hard_start_xmit will bundle many packets together, and
mark them all with xmit_more.
Most drivers respond to xmit_more by skipping tail bumps on packet
rings, or similar behavior as long as xmit_more is set. This
