On Mon, 28 Jan 2013 21:36:20 +0800
"Freddy" <freddy@xxxxxxxxxxx> wrote:
> > I would vote to not accept that driver for mainline as long as this
> > issues are not fixed.
>
>
> Michael, could you give me more information about how do you test
> this driver? I have tried to reproduce the issue by using "ifconfig
> ethX mtu 1500", but I didn't confront the same issue. Thank you in
> advance for your help.
I'm very sorry, but this seems to be some mistake on my side. I would
have sworn that I had done this also with mtu 1500, but now it looks
like you have to set the mtu to at least 1519 to see the issue (likely
an typo and I actually had set it to 1600):
jill:/home/ml # ifconfig eth3 192.168.123.2/24
jill:/home/ml # ifconfig eth3
eth3 Link encap:Ethernet Hardware Adresse 00:24:9B:05:5C:E3
inet Adresse:192.168.123.2 Bcast:192.168.123.255 Maske:255.255.255.0
inet6 Adresse: fe80::224:9bff:fe05:5ce3/64 Gültigkeitsbereich:Verbindung
UP BROADCAST RUNNING MULTICAST MTU:1488 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 Sendewarteschlangenlänge:1000
RX bytes:0 (0.0 b) TX bytes:98 (98.0 b)
jill:/home/ml # ping 192.168.123.1
PING 192.168.123.1 (192.168.123.1) 56(84) bytes of data.
64 bytes from 192.168.123.1: icmp_seq=1 ttl=64 time=1.41 ms
64 bytes from 192.168.123.1: icmp_seq=2 ttl=64 time=0.969 ms
64 bytes from 192.168.123.1: icmp_seq=3 ttl=64 time=1.01 ms
^C
--- 192.168.123.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 0.969/1.131/1.412/0.199 ms
jill:/home/ml # ping -s 1491 192.168.123.1
PING 192.168.123.1 (192.168.123.1) 1491(1519) bytes of data.
1499 bytes from 192.168.123.1: icmp_seq=1 ttl=64 time=1.30 ms
1499 bytes from 192.168.123.1: icmp_seq=2 ttl=64 time=1.10 ms
1499 bytes from 192.168.123.1: icmp_seq=3 ttl=64 time=1.24 ms
^C
--- 192.168.123.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 1.109/1.218/1.306/0.086 ms
jill:/home/ml # ifconfig eth3 mtu 1519
jill:/home/ml # ping 192.168.123.1
PING 192.168.123.1 (192.168.123.1) 56(84) bytes of data.
64 bytes from 192.168.123.1: icmp_seq=1 ttl=64 time=1.11 ms
64 bytes from 192.168.123.1: icmp_seq=2 ttl=64 time=0.969 ms
^C
--- 192.168.123.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.969/1.042/1.115/0.073 ms
jill:/home/ml # ping -s 1491 192.168.123.1
PING 192.168.123.1 (192.168.123.1) 1491(1519) bytes of data.
^C
--- 192.168.123.1 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1000ms
jill:/home/ml # ping 192.168.123.1
PING 192.168.123.1 (192.168.123.1) 56(84) bytes of data.
^C
--- 192.168.123.1 ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 4999ms
jill:/home/ml #
--
MfG,
Michael Leun
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