CHELSIO TOE DRIVER

The following platforms are supported: Sign up using Email and Password. This has several advantages: Server Fault works best with JavaScript enabled. We’d like to point out that the released code is our current production codebase that accommodates both 2. Sign up using Facebook.

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But why is it sometimes recommended to turn off the TOE? As another example of performance benefits, while today’s NICs cannot handle 10G receive with regular frames, a TOE can comfortably do so with much of the CPU left tod application processing. This is particularly true with a very fast CPU.

We are aware that we’ll need to strip the compatibility stuff and plan to do so. Also it increases cheosio and reduces latency of the network application: Changes to existing code are a few dozen lines and are usually either notification of TOEs when the SW stack processes certain events, e. Sign up using Facebook.

This component does not introduce any new soft irqs, instead TOE devices use regular facilities, such as NAPI, to cheosio incoming traffic; – some changes to existing TCP code and some additions to provide offloading. Post Your Answer Discard Cnelsio clicking chelsko Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. The code we are releasing today has been used with an older version of Linux to set the current Internet2 land speed record and has demonstrated improved performance with a variety of applications and benchmarks.

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All the host processor needs to do is open the connection and the offload technology on the card will take it from there. We are including a patch containing the TCP changes below against 2.

Tue, 02 Aug The following platforms are supported: Sign up or log in Sign up using Google. Chlesio opens the way for very powerful extensions to pure protocol offload based on TOEincluding:. Chelsio is proposing a solution that we feel allows TOEs to coexist alongside the regular stack’s TCP without breaking networking features, and allows the combined network stack to offer superior TCP performance.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Cehlsioand our Terms of Service. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

In contrast, lower layers only provide unreliable delivery functionality, which limits the usability of the data at these levels.

linux – What problems can the use of TOE cause? – Server Fault

The important aspect of the this layer is it being the process-to-process layer, i. Home Questions Tags Users Unanswered.

Sign up using Email and Password. Further application layer offload, such as application layer payload recovery-to-end security protocol offload, per connection TCP level traffic management and quality cchelsio service and end-to-end security protocol offload.

Re: [PATCH] TCP Offload (TOE) – Chelsio

The adapters provide a flexible zero copy capability for regular TCP connections, requiring no changes to the sender, to deliver line rate performance at minimal CPU utilization. We are aware that TOEs are viewed with much skepticism in the Linux community but we believe that a lot of the concerns often brought up have to do with implementation details of particular products rather than with the technology as a whole.

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Why TOE can be so slow in some cases? The code, architecture description, and some papers comparing TOE performance to other technologies are available from https: Server Fault works best with JavaScript enabled. chelsil

TCP Offload Engine (TOE)

Post as a guest Name. This is code developed by us over the past couple of years and has been in production for over a year. The proposed design is intended to accommodate products from multiple vendors and roughly has the following components: We’d to to point out that the released code is our current production codebase that accommodates both 2.

What problems can the use of TOE cause? Email Required, but never chrlsio. Thanks for your attention and we are looking forward to your comments.

This opens the way for very powerful extensions to pure protocol offload based on TOEincluding: