netdev - Re: [PATCH net-next v2 0/4] packet: tpacket gso and csum offload

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] [day] [month] [year] [list]

Message-Id: <20160209.064425.2139335305142769623.davem@davemloft.net>
Date:	Tue, 09 Feb 2016 06:44:25 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	willemdebruijn.kernel@...il.com
Cc:	netdev@...r.kernel.org, daniel@...earbox.net, mst@...hat.com,
	sri@...ibm.com, willemb@...gle.com
Subject: Re: [PATCH net-next v2 0/4] packet: tpacket gso and csum offload

From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Date: Wed,  3 Feb 2016 18:02:13 -0500

> From: Willem de Bruijn <willemb@...gle.com>
> 
> Extend PACKET_VNET_HDR socket option support to packet sockets with
> memory mapped rings.
> 
> Patches 2 and 4 add support to tpacket_rcv and tpacket_snd.
> 
> Patch 1 prepares for this by moving the relevant virtio_net_hdr
> logic out of packet_snd and packet_rcv into helper functions.
> 
> GSO transmission requires all headers in the skb linear section.
> Patch 3 moves parsing of tx_ring slot headers before skb allocation
> to enable allocation with sufficient linear size.
> 
> Changes
>   v1->v2:
>     - fix bounds checks:
>       - subtract sizeof(vnet_hdr) before comparing tp_len to size_max
>       - compare tp_len to size_max also with GSO, just do not truncate to MTU

Series applied, thanks.