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Message-ID: <4BE2ECEE.7070200@candelatech.com> Date: Thu, 06 May 2010 09:23:10 -0700 From: Ben Greear <greearb@...delatech.com> To: "Tantilov, Emil S" <emil.s.tantilov@...el.com> CC: Arnd Bergmann <arnd@...db.de>, NetDev <netdev@...r.kernel.org>, Patrick McHardy <kaber@...sh.net> Subject: Re: ixgbe and mac-vlans problem On 04/30/2010 03:26 PM, Tantilov, Emil S wrote: > Ben Greear wrote: >> On 04/30/2010 02:13 PM, Tantilov, Emil S wrote: >>> I ran a quick test in my setup with 82599 and was able to pass >>> traffic on all 50 mac-vlans without issues. This is on net-next. >> >> For an 82599 system, I can get 127 mac-vlans working out of 500 >> created. >> >> That NIC also does not go PROMISC with lots (500) of mac-vlans. >> >> Once I put it in promisc mode manually, it works fine. >> >> So, I think whatever logic is supposed to put the NIC into promisc >> mode when it overflows it's lookup tables isn't working for ixgbe >> in 2.6.31.12. > > Yeah, you're right. I was able to repro it. > > We'll look into it. I'd be happy to test out a patch if you have one available. If you don't expect to have one soon, please let me know and I'll add work-arounds to my code to throw ixgbe NICs into PROMISC mode manually. Thanks, Ben -- Ben Greear <greearb@...delatech.com> Candela Technologies Inc http://www.candelatech.com -- 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
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