netdev - Re: [PATCH] af_packet: Add Queue mapping mode to af

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]

Message-ID: <1390439292.27806.48.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 22 Jan 2014 17:08:12 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Daniel Borkmann <dborkman@...hat.com>
Cc:	Neil Horman <nhorman@...driver.com>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH] af_packet: Add Queue mapping mode to af_packet fanout
 operation

On Wed, 2014-01-22 at 23:00 +0100, Daniel Borkmann wrote:
> On 01/22/2014 10:01 PM, Neil Horman wrote:
> > This patch adds a queue mapping mode to the fanout operation of af_packet
> > sockets.  This allows user space af_packet users to better filter on flows
> > ingressing and egressing via a specific hardware queue, and avoids the potential
> 
> Maybe I'm missing something, but I currently cannot find where this is
> being filled out for ingress path? Egress, ok, this gets filled out
> somewhere in protocol layers or elsewhere and is being locally pushed
> back through dev_queue_xmit_nit(), but I think main use case is ingress
> through packet fanout. In driver layer I can find skb->rxhash filled out
> which would then be PACKET_FANOUT_HASH.
> (Otherwise patch looks good.)


Check for various multiqueue drivers calling skb_record_rx_queue()



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html