netdev - Re: Flows! Offload them.

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-next>] [day] [month] [year] [list]

Message-ID: <CAE4R7bAueaSn7Z+Wcipf7UYQ57GteomTJDM8Ohn_-KFu5zw0sw@mail.gmail.com>
Date:	Mon, 2 Mar 2015 14:13:35 -0800
From:	Scott Feldman <sfeldma@...il.com>
To:	Shrijeet Mukherjee <shrijeet@...il.com>
Cc:	Andy Gospodarek <gospo@...ulusnetworks.com>,
	Tom Herbert <therbert@...gle.com>,
	Neil Horman <nhorman@...driver.com>,
	Simon Horman <simon.horman@...ronome.com>,
	John Fastabend <john.r.fastabend@...el.com>,
	Thomas Graf <tgraf@...g.ch>, Jiri Pirko <jiri@...nulli.us>,
	Linux Netdev List <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Andy Gospodarek <andy@...yhouse.net>,
	Daniel Borkmann <dborkman@...hat.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Jesse Gross <jesse@...ira.com>,
	"jpettit@...ira.com" <jpettit@...ira.com>,
	Joe Stringer <joestringer@...ira.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Roopa Prabhu <roopa@...ulusnetworks.com>,
	John Linville <linville@...driver.com>,
	Benjamin LaHaise <bcrl@...ck.org>
Subject: Re: Flows! Offload them.

On Mon, Mar 2, 2015 at 10:31 AM, Shrijeet Mukherjee <shrijeet@...il.com> wrote:
>>
>> Can you elaborate on "allow for async write of data to hardware
>> tables"?  Is this the trampoline model where user's request goes to
>> the kernel, and then back to user-space, and finally to the hardware
>> via an user-space SDK?  I think we should exclude that model from
>> discussions about resource management.  With the recent L2/L3 offload
>> work, I'm advocating a synchronous call path from user to kernel to
>> hardware so we can return a actionable result code, and put the burden
>> of resource management in user-space, not in the kernel.
>>
> Scott you mean synchronous to the switchdev driver right ?

Correct.
--
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