From: Eric Dumazet <eric.dumazet@gmail.com>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
Adam Urban <adam.urban@appleguru.org>
Cc: Network Development <netdev@vger.kernel.org>
Subject: Re: Kernel UDP behavior with missing destinations
Date: Thu, 16 May 2019 09:14:31 -0700 [thread overview]
Message-ID: <18aefee7-4c47-d330-c6c1-7d1442551fa6@gmail.com> (raw)
In-Reply-To: <0d50023e-0a3b-b92b-59d6-39d0c02fa182@gmail.com>
On 5/16/19 9:05 AM, Eric Dumazet wrote:
> We probably should add a ttl on arp queues.
>
> neigh_probe() could do that quite easily.
>
Adam, all you need to do is to increase UDP socket sndbuf.
Either by increasing /proc/sys/net/core/wmem_default
or using setsockopt( ... SO_SNDBUF ... )
next prev parent reply other threads:[~2019-05-16 16:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 19:56 Kernel UDP behavior with missing destinations Adam Urban
2019-05-16 14:47 ` Willem de Bruijn
2019-05-16 15:43 ` Adam Urban
2019-05-16 16:05 ` Eric Dumazet
2019-05-16 16:14 ` Eric Dumazet [this message]
2019-05-16 16:32 ` Adam Urban
2019-05-16 17:03 ` Eric Dumazet
2019-05-16 21:42 ` Adam Urban
2019-05-17 0:27 ` Adam Urban
2019-05-17 3:22 ` Willem de Bruijn
2019-05-17 12:57 ` David Laight
2019-05-17 13:20 ` Willem de Bruijn
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=18aefee7-4c47-d330-c6c1-7d1442551fa6@gmail.com \
--to=eric.dumazet@gmail.com \
--cc=adam.urban@appleguru.org \
--cc=netdev@vger.kernel.org \
--cc=willemdebruijn.kernel@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.