Messages in this thread | | | Subject | Re: [PATCH 1/2] igb.txt: Add igb documentation | From | Ben Hutchings <> | Date | Wed, 04 Aug 2010 03:34:34 +0100 |
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On Tue, 2010-08-03 at 17:15 -0700, Jeff Kirsher wrote: [...] > + Jumbo Frames > + ------------ > + Jumbo Frames support is enabled by changing the MTU to a value larger than > + the default of 1500. Use the ifconfig command to increase the MTU size. > + For example: > + > + ifconfig eth<x> mtu 9000 up > + > + This setting is not saved across reboots.
Not igb-specific.
[...] > + Ethtool > + ------- > + The driver utilizes the ethtool interface for driver configuration and > + diagnostics, as well as displaying statistical information. Ethtool > + version 3.0 or later is required for this functionality, although we > + strongly recommend downloading the latest version at: > + > + http://sourceforge.net/projects/gkernel.
Not igb-specific, and seriously - 3.0?
> + Enabling Wake on LAN* (WoL) > + --------------------------- > + WoL is configured through the Ethtool* utility.
Not igb-specific.
[...] > + LRO > + --- > + Large Receive Offload (LRO) is a technique for increasing inbound throughput > + of high-bandwidth network connections by reducing CPU overhead. It works by > + aggregating multiple incoming packets from a single stream into a larger > + buffer before they are passed higher up the networking stack, thus reducing > + the number of packets that have to be processed. LRO combines multiple > + Ethernet frames into a single receive in the stack, thereby potentially > + decreasing CPU utilization for receives.
Not igb-specific.
> + NOTE: LRO requires 2.6.24 or later kernel version. [...]
Which is irrelevant to an in-tree driver.
Ben.
-- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.
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