Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-30 Thread Daniel J Blueman
On 25/05/06, Patrick McHardy <[EMAIL PROTECTED]> wrote: Daniel J Blueman wrote: > On 25/05/06, Patrick McHardy <[EMAIL PROTECTED]> wrote: > >> Daniel, is there an easy way to reproduce the checksum failure? > > In short, no. This was seen when packets may have been truncated by > large MTU (eg 90

Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-25 Thread Patrick McHardy
Daniel J Blueman wrote: > On 25/05/06, Patrick McHardy <[EMAIL PROTECTED]> wrote: > >> Daniel, is there an easy way to reproduce the checksum failure? > > > In short, no. This was seen when packets may have been truncated by > large MTU (eg 9000) problems in the sky2 driver transmit path. > > T

Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-25 Thread Daniel J Blueman
On 25/05/06, Patrick McHardy <[EMAIL PROTECTED]> wrote: Stephen Hemminger wrote: > On Wed, 24 May 2006 10:28:52 +0100 > "Daniel J Blueman" <[EMAIL PROTECTED]> wrote: > >>Having done some more stress testing with sky2 1.4 (in 2.6.17-rc4) and >>the latest patch, I have found problems when streaming

Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-25 Thread Patrick McHardy
Stephen Hemminger wrote: > On Wed, 24 May 2006 10:28:52 +0100 > "Daniel J Blueman" <[EMAIL PROTECTED]> wrote: > > >>Having done some more stress testing with sky2 1.4 (in 2.6.17-rc4) and >>the latest patch, I have found problems when streaming lots of data >>out of the sky2 interface (eg via samb

Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-25 Thread Daniel J Blueman
Hi Stephen, Thanks for your feedback. On 24/05/06, Stephen Hemminger <[EMAIL PROTECTED]> wrote: "Daniel J Blueman" <[EMAIL PROTECTED]> wrote: > Having done some more stress testing with sky2 1.4 (in 2.6.17-rc4) and > the latest patch, I have found problems when streaming lots of data > out of t

Re: sky2 hw csum failure [was Re: sky2 large MTU problems]

2006-05-24 Thread Stephen Hemminger
On Wed, 24 May 2006 10:28:52 +0100 "Daniel J Blueman" <[EMAIL PROTECTED]> wrote: > Having done some more stress testing with sky2 1.4 (in 2.6.17-rc4) and > the latest patch, I have found problems when streaming lots of data > out of the sky2 interface (eg via samba serving a large file to GigE > c

sky2 large MTU problems...

2006-05-19 Thread Daniel J Blueman
I've found that when increasing the sky2 interface MTU beyond somewhere around 6000-7500, packets can get truncated. The interface is the internal interface on a NAT router - I've been able to reproduce this with 2.6.16 and 2.6.17-rc4 when say sending an email from gmail (via the web interface).