Re: e100 breakage located

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sorry for the delay, your mail got marked as spam.  In the future
please copy networking issues to [email protected], and be sure
to copy the maintainers of the driver you're having problems with
(they are in the MAINTAINERS file)

On 11/22/06, Amin Azez <[email protected]> wrote:
I notice a patch in 2005 from Micahel O'Donnel to the e100.c driver has
stopped auto-crossover working on some e100 devices we use.

On one system the auto-negotiation was restored by commenting out:
(nic->mac == mac_82551_10) in function e100_phy_init where the MDI/MDI-X
is disabled.

are you sure that patch did that?  What version of e100 are you using?
we've since enabled MDI-X on most parts with this patch:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=60ffa478759f39a2eb3be1ed179bc3764804b2c8;hp=09e590e5d5a93f2eaa748a89c623258e6bad1648

Please try the latest kernel or the latest e100 available from e1000.sf.net
if that doesn't work we'll need to know what kernel are you using?

lspci reports:
 01:04.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100]
(rev 10)
 01:04.0 Class 0200: 8086:1229 (rev 10)

and on another device
 01:05.0 Ethernet controller: Intel Corp. 82559ER (rev 10)
 01:01.0 Class 0200: 8086:1209 (rev 10)

So it is true that we are revision 10, but 82557/9 not 82551.

you're getting confused between decimal and hex.  82551 is rev 16 (0x10)

I must confess that having gotten this far, I am lost. Of course I can
"fix" the driver for our hardware but I am not sure how to contrive a
general fix.

Maybe the actual damage is done in
 e100_get_defaults(struct nic *nic)
where nic->mac is set to nic->rev_id ?

But it generally seems to be a failure to take into account the actual
hardware type, and only consider the revision.

the only relevant way to tell e100 parts apart is the revision id
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