netdev - Re: UDP sockets oddities

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Date:   Tue, 29 Aug 2017 11:01:29 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
        pabeni@...hat.com, willemb@...gle.com
Subject: Re: UDP sockets oddities

On Tue, 2017-08-29 at 10:53 -0700, Florian Fainelli wrote:
> On 08/26/2017 11:56 AM, Florian Fainelli wrote:
> > 
> > 
> > On 08/26/2017 05:47 AM, Eric Dumazet wrote:
> >> On Fri, 2017-08-25 at 21:19 -0700, David Miller wrote:
> >>
> >>> Agreed, but the ARP resolution queue really needs to scale it's backlog
> >>> to the physical technology it is attached to.
> >> Yes, last time (in 2011) we increased the old limit of 3 packets :/
> >>
> >> We probably should match sysctl_wmem_max so that a single socket
> >> provider would hit its sk_sndbuf limit
> 
> Eric, do you want to post this as a formal patch? I don't think I
> understand these tunables enough to provide a good commit message
> anyways. Thanks!

I will post it today.

I was out of the office yesterday, rafting on the south fork of American
River ;)


This will target net-next.

Thanks.