Re: How to use IP/UDP/TCP checksum offload HW?
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On 2011-06-07, Ilija Kocho <ilijak@xxxxxxxxxxx> wrote: >>>> Must we look at the latest BSD code to see how to implement this? >>> >>> Maybe. Or there might be a simpler way to do it. I would guess that >>> the current FreeBSD has an API to configure this on a per-interface >>> basis at run-time. >>> >>> If we can assume that there is only one external interface, then we >>> don't need any API or runtime checks, just a few strategic #if/#endif >>> pairs and some CDL to control them. >> >> So how do we progress this? Should we offline exchange the mods we've >> each tried (code and CDL)? I won't have any hardware available until Q4. So I probably won't be ble to spend much time on it for a few months. > I am going to need the same soon only with lwIP. Recent on-chip > Ethernet controllers provide for some IP processing so IMO we should > address this issue generally. Is there place for some community > project? There are a number of svn/git/hg/whatever hosting sites that could be used. IIRC, somebody had set up a site to host eCos-related stuff, I guess this is it: http://ecosx.sourceforge.net/ It doesn't look like it's been touched for 5 years, but the guy who set it up is still active on other projects on sourceforge. One question in my mind is whether it needs to be run-time configurable on a per-interface basis, or can it be a global, build-time option. -- Grant Edwards grant.b.edwards Yow! Don't hit me!! I'm in at the Twilight Zone!!! gmail.com -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss