netdev - [PATCH v4 0/7] via-velocity performance fixes

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Message-ID: <20091126090429.39cb37ac@marrow.netinsight.se>
Date:	Thu, 26 Nov 2009 09:04:29 +0100
From:	Simon Kagstrom <simon.kagstrom@...insight.net>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, davej@...hat.com, shemminger@...tta.com,
	romieu@...zoreil.com
Subject: [PATCH v4 0/7] via-velocity performance fixes

Hi again!

This is version four of the series posted here:

   http://marc.info/?l=linux-netdev&m=125873023117769&w=2

The new version integrates Davids comments. There are 7 patches:

1. See to it that data is 64-byte aligned (same as before)

2. Add ethtool interrupt coalescing support. (same as before)

3. NAPI support for via-velocity (same as before)

4. Change DMA length default (same as before)

5. Re-enable scatter-gather support. (removed the double-check of
   nr_frags according to Davids comment)

6. Set tx checksum from ethtool instead of a module parameter (rebased)

7. Bump the version.

To get the same performance results (or better!) as with the VIA
driver, you now need to setup interrupt supression with

   ethtool -C ethX rx-usecs 20 tx-usecs 100 tx-frames 31 rx-frames 31

(which are the defaults from the VIA driver). Scatter-gather support is
enabled with

   ethtool -K ethX sg on

// Simon
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