NACK/Cmnt: [PATCH 0/2][SRU][H][I][OEM-5.13][OEM-5.14] e1000e extremly slow

[Stefan Bader]

On 28.09.21 05:49, AceLan Kao wrote:
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1930754
> 
> 
> [Impact]
> e1000e on TGP PCH encounters a network speed issue that rx speed is below
> 1MB/s
> 
> [Fix]
> Intel provides 2 patches to fix this
> https://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=263466
> 
> [Test]
> Verified by our Dell and Lenovo platforms and the bug reporter.
> 
> [Where problems could occur]
> The fix only applies to e1000e with TGP PCH, and add a flag
> "E1000_FFLT_DBG_DONT_GATE_WAKE_DMA_CLK". The impact should be minimized
> and should not lead to other regressions.
> 
> Sasha Neftin (2):
>    UBUNTU: SAUCE: e1000e: Separate TGP board type from SPT
>    UBUNTU: SAUCE: e1000e: Fixing packet loss issues on new platforms
> 
>   drivers/net/ethernet/intel/e1000e/e1000.h   |  4 ++-
>   drivers/net/ethernet/intel/e1000e/ich8lan.c | 31 ++++++++++++++++++++-
>   drivers/net/ethernet/intel/e1000e/ich8lan.h |  3 ++
>   drivers/net/ethernet/intel/e1000e/netdev.c  | 29 +++++++++----------
>   4 files changed, 51 insertions(+), 16 deletions(-)
> 

As Andrea mentioned those changes are now in linux-next, with the second patch 
having a different commit title:

commit 280db5d420090a24e4e41f9ddcbf37920a598572
Author: Sasha Neftin <sasha.neftin at intel.com>
Date:   Wed Sep 22 09:54:49 2021 +0300

     e1000e: Separate TGP board type from SPT

commit 639e298f432fb058a9496ea16863f53b1ce935fe
Author: Sasha Neftin <sasha.neftin at intel.com>
Date:   Wed Sep 22 09:55:42 2021 +0300

     e1000e: Fix packet loss on Tiger Lake and later

Please re-submit those for H/I with updated provenance (and after double 
checking they really are the same still).

Thanks,
Stefan


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