Call for testers : age(4), Attansic/Atheros L1 gigabit ethernet controller

Pyun YongHyeon pyunyh at
Mon Mar 10 00:31:57 PDT 2008

On Mon, Mar 10, 2008 at 01:34:12PM +0900, To freebsd-current at wrote:
 > Hi,
 > Due to high pressure from FreeBSD user community to get a working
 > driver for Attansic/Atheros L1 giagabit ethernet I had changed
 > priorities in my TODO list. I had spent several weeks to write
 > this driver and I managed to get a working driver. From my very
 > limited testing the driver seems to work as expected.
 > ATM the performance is horrible so there must be mis-programmed
 > registers or incorrectly configured parameters. Due to the
 > existence several variants of L1 hardware and lack of publicly
 > available documentation I'd like to know how many variants are
 > supported by this driver. L1 gigabit ethernet controller is
 > frequently found in ASUS motherboard. Note, it seems that there are
 > other variants of hardware as known as L2(Fast ethernet) and newer
 > gigabit ethernet(AR81xx) from Atheros. These are not supported by
 > this driver and they require a seperate driver. The following
 > hardware features are supported by age(4).
 >   - TCP Segmentation Offload.
 >   - Hardware VLAN tag insertion/stripping.
 >   - TCP/UDP checksum offload.
 >   - Interrupt moderation.
 >   - Hardware statistics counter support.
 >   - Jumbo frame support.
 >   - WOL support.
 > As I said, I already know poor performance issue of age(4) but I'm
 > more interested in getting a stable driver. If you're owner of L1
 > gigabit ethernet controller please give it spin and let me know
 > how it goes on your system.
 > Install:
 > o Get age(4) jumbo diff at the following URL. The diff was
 >   generated against HEAD but I guess it would also apply to RELENG_7
 >   and 7.0-RELEASE.

For 7.0-RELEASE, use the following URL.

 > o Patch kernel srouce and rebuild/reboot your kernel.
 >   #cd /usr/src
 >   #patch -p0 < /path/to/age.HEAD.diff 
 > Test:
 > Use age(4) for your normal network activities and report success or
 > any issues you've encountered. The driver may be chatty to ease of
 > debugging.
 > Thanks in advance.
Pyun YongHyeon

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