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Subject8139too driver broken? (2.4-test12) - Was: Re: rtl8139 driver broken? (2.2.16)
Date
: On Fri, 22 Dec 2000 18:34:46 +0000 (GMT), Alan Cox wrote:

>2.2.18 might help and also as an '8139too' driver rewrite which may work

Advancing further to a 2.4-test12 kernel (with the latest available
8139too driver - 0.9.12) improves the situation even further, but doesn't
solve it.

I still cannot "ping -s 5000 192.168.0.55" from the 8139too machine, but
at least I can now FTP the 2.4-test12 kernel (18 MB) from another machine
to the 8139 target without any stalls. The rather major problem that
remains is performance.

As before:
* 192.168.0.77 = 8139too (2.4-test12, SuSE 7.0);
HP Omnibook 800; P133; 48 MB

* 192.168.0.55 = eepro100 (2.2.16, SuSE 7.0);
Sony VAIO Z600NE, PIII 650, 256 MB

FTP from 192.168.0.55 (eepro100) to 192.168.0.77 (8139too):

put linux-2.4.0-test12.tar.bz2
18975167 bytes sent in 00:48 (385.71 KB/s)

get linux-2.4.0-test12.tar.bz2
18975167 bytes received in 00:05 (3.18 MB/s)

FTP from 192.168.0.77 (8139too) to 192.168.0.55 (eepro100):

get linux-2.4.0-test12.tar.bz2
18975167 bytes sent in 00:34 (530.39 KB/s)

put linux-2.4.0-test12.tar.bz2
18975167 bytes sent in 00:05 (3.13 MB/s)


IOW, when the 8139too driver itself *delivers* data (put initiated from
192.168.0.77, get initiated from 192.168.0.55), I get 3 MB/s throughput,
pretty much what I would expect.

When the 8139too driver gets data pushed down its throat (get initiated
from 192.168.0.77, put initiated from 192.168.0.55), then performance
plainly does not exist.

Any ideas?

TIA!
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