netdev - Re: [PATCH net-next v2 00/11] udp gso

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 26 Apr 2018 15:23:41 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     willemdebruijn.kernel@...il.com
Cc:     netdev@...r.kernel.org, alexander.duyck@...il.com,
        willemb@...gle.com
Subject: Re: [PATCH net-next v2 00/11] udp gso

From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Date: Thu, 26 Apr 2018 13:42:14 -0400

> Segmentation offload reduces cycles/byte for large packets by
> amortizing the cost of protocol stack traversal.
> 
> This patchset implements GSO for UDP. A process can concatenate and
> submit multiple datagrams to the same destination in one send call
> by setting socket option SOL_UDP/UDP_SEGMENT with the segment size,
> or passing an analogous cmsg at send time.

Looks great.

Build testing revealed that with ipv6=m we have to export
__udp_gso_segment (patch #2) and udp_cmsg_send (patch #6).

I added the exports while applying this series.

Nice work, thanks Willem!