On 02/21/2012 09:51 AM, Wyborny, Carolyn wrote: >> -----Original Message----- >> From: Ben Greear [mailto:[email protected]] >> Sent: Monday, February 20, 2012 3:09 PM >> To: e1000-devel list >> Subject: [E1000-devel] Question on igb and rx-fcs. >> >> I'm trying to write a patch to allow rx-fcs on the igb driver >> (82580 chipset). >> >> I tried the patch below, but when I then enable rx-fcs, traffic >> rx breaks and I see Rx-FIFO error counts increasing. I'm testing >> with 1024 byte UDP payloads, at 56kpbs. >> >> First, if anyone sees an obvious problem with the patch, please >> let me know...but more importantly, what developer's manual >> is valid for the igb supported hardware? I found the '316080.pdf' >> that seems valid for e1000e, but I'm not sure it works for igb >> as well? > [...] > > The hardware can behave differently for a given feature and the igb drivers > supports a different set of hardware than e1000e. For igb, we support 82575 > and greater (82576, 82580, i350). The best bet is the Datasheet for the > 825XX you're working with. Here's the datasheet for 82580. > http://download.intel.com/design/network/datashts/321027.pdf. I'll take a > look at your patch and the datasheet as well and see if I can find anything > to help.
Thanks for the datasheet pointer. I did a quick search for SECRC, and section 8.8.2.7 mentions the SECRC bits are ignored if some virtual machine logic is enabled. I'm not using any virtual machines, but perhaps that logic is enabled anyway? Thanks, Ben -- Ben Greear <[email protected]> Candela Technologies Inc http://www.candelatech.com ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
