Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken
>>>>> "JY" == Jie Yang <Jie.Yang@Atheros.com> writes:
JY> Anders Boström <anders@netinsight.net> wrote:
>> It is an ASUS M4A78 PRO motherboard with the Atheros
>> AR8121/AR8113/AR8114 on-board.
>>
>> >> ~25Mbyte/s performance. I get ~5000 retransmitted packets
>> per GByte >> data, according to RetransSegs in
>> /proc/net/snmp . wireshark in the >> client show that the
>> server send out a sequence of frames. All but the >> last
>> one are 1500 bytes IP-packets. The last one is shorter, but
>> the >> IP-header still say 1500 byte. The client then
>> requests retransmit, >> and the retransmitted frame arrives
>> with correct IP-header.
JY> i just test it on Linux localhost.localdomain 2.6.31.5-127.fc12.x86_64 #1 SMP Sat Nov 7 21:11:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux.
JY> with hardware, Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller (rev b0)
JY> device id : 1969:1026 (rev b0)
JY> i upload/download a 382M it work well with retransmit packet:
Have you tested NFS over TCP? The block-size the application uses can
have an effect on this. What application did you use? Block-size?
/ Anders
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