* Re: To GRO or not to GRO... [not found] <4CA7BD60.3010501@sauce.co.nz> @ 2010-10-03 7:18 ` "Oleg A. Arkhangelsky" 2010-10-03 7:31 ` David Miller 0 siblings, 1 reply; 3+ messages in thread From: "Oleg A. Arkhangelsky" @ 2010-10-03 7:18 UTC (permalink / raw) To: Richard Scobie; +Cc: netdev 03.10.2010, 03:17, "Richard Scobie" <richard@sauce.co.nz>: > In the README for ixgbe-2.1.4, is says: > > " Disable GRO when routing/bridging > --------------------------------- > Due to a known kernel issue, GRO must be turned off when > routing/bridging. > GRO can be turned off via ethtool." > This information is true for LRO, not GRO. I believe that this appeared when ixgbe was converted from LRO to GRO and all occurrences of LRO was blindly replaced by GRO everywhere. -- wbr, Oleg. ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: To GRO or not to GRO... 2010-10-03 7:18 ` To GRO or not to GRO "Oleg A. Arkhangelsky" @ 2010-10-03 7:31 ` David Miller 2010-10-04 17:48 ` Tantilov, Emil S 0 siblings, 1 reply; 3+ messages in thread From: David Miller @ 2010-10-03 7:31 UTC (permalink / raw) To: sysoleg; +Cc: richard, netdev From: "\"Oleg A. Arkhangelsky\"" <sysoleg@yandex.ru> Date: Sun, 03 Oct 2010 11:18:46 +0400 > > > 03.10.2010, 03:17, "Richard Scobie" <richard@sauce.co.nz>: > >> In the README for ixgbe-2.1.4, is says: >> >> " Disable GRO when routing/bridging >> --------------------------------- >> Due to a known kernel issue, GRO must be turned off when >> routing/bridging. >> GRO can be turned off via ethtool." >> > > This information is true for LRO, not GRO. Right. > I believe that this appeared when ixgbe was converted from LRO > to GRO and all occurrences of LRO was blindly replaced by GRO > everywhere. Someome please submit a patch to fix this, thanks. ^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: To GRO or not to GRO... 2010-10-03 7:31 ` David Miller @ 2010-10-04 17:48 ` Tantilov, Emil S 0 siblings, 0 replies; 3+ messages in thread From: Tantilov, Emil S @ 2010-10-04 17:48 UTC (permalink / raw) To: David Miller, sysoleg@yandex.ru Cc: richard@sauce.co.nz, netdev@vger.kernel.org >-----Original Message----- >From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org] On >Behalf Of David Miller >Sent: Sunday, October 03, 2010 12:31 AM >To: sysoleg@yandex.ru >Cc: richard@sauce.co.nz; netdev@vger.kernel.org >Subject: Re: To GRO or not to GRO... > >From: "\"Oleg A. Arkhangelsky\"" <sysoleg@yandex.ru> >Date: Sun, 03 Oct 2010 11:18:46 +0400 > >> >> >> 03.10.2010, 03:17, "Richard Scobie" <richard@sauce.co.nz>: >> >>> In the README for ixgbe-2.1.4, is says: >>> >>> " Disable GRO when routing/bridging >>> --------------------------------- >>> Due to a known kernel issue, GRO must be turned off when >>> routing/bridging. >>> GRO can be turned off via ethtool." >>> >> >> This information is true for LRO, not GRO. > >Right. > >> I believe that this appeared when ixgbe was converted from LRO >> to GRO and all occurrences of LRO was blindly replaced by GRO >> everywhere. > >Someome please submit a patch to fix this, thanks. The information referenced above is from the README included with the out-of-tree ixgbe driver which we provide for download at e1000.sf.net. The in-kernel docs are accurate AFAICT. Thanks, Emil ^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-10-03 7:18 ` To GRO or not to GRO "Oleg A. Arkhangelsky"
2010-10-03 7:31 ` David Miller
2010-10-04 17:48 ` Tantilov, Emil S
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