Re: [B2-devel] sheep_net in latest kernel

[Alexei S. <ale...@gm...>]

Thanks for all your work getting to the bottom of this! Woot!

On Thu, Aug 18, 2016 at 12:47 PM, Ricky Zhang <zha...@gm...>
wrote:

> I wrote a Python script to convert communication packet between Guest OS
> and sheep_net into hex dump for wireshark.
>
> I found two bugs in sheep_net module. I have fixed it. Another Basilisk II
> user in France also confirmed that my fix works for his Linux host in PPC.
>
> I will send a pull request later.
>
> On Thu, Aug 11, 2016 at 7:26 PM, Ricky <zha...@gm...> wrote:
>
>> I'm interested in making it sheep_net and TCP/IP ethernet works again on
>> Mac 7.5 under Linux host. But I found that TCP is not quite working. Here
>> is my settings:
>>
>>    - Fedora 24, 4.5.7-300.fc24.x86_64
>>    - Mac 7.6 with TCP/IP stack
>>    - sheep_net modules (I fixed new sk_alloc function call after 4.2
>>    kernel. I haven't sent pull request yet since it doesn't work anyway)
>>
>> I debugged it by capturing ethernet packet between Basilisk II(B) and
>> remote host (R). I found that during TCP 3 way handshakes,
>> 1. B->R (SYN)
>> 2. B<-R (SYN+ACK)
>> 3. no more response from B and B keeps on retransmit step 1 again and
>> again.
>>
>> It seems like packet in step 2 didn't get received by Mac. I enabled
>> debug in BasiliskII/src/Unix/ether_unix.cpp and did find that the exact
>> packet in step 2 was received from /dev/sheep_net by B. But it seems that
>> Mac didn't get it.
>>
>> I have zero experiences in debugging 68K emulation part. I wonder:
>>
>>    - if anyone can suggest me an easy way to debug networking inside Mac
>>    7.5, ie after interrupt finish
>>    - the last settings that your sheep_net modules works
>>
>> I patched sheep_net for 3.15 kernel before. I remembers I could ftp and
>> ping from the same Mac 7.5 image. But I can't http.
>> TIA
>>
>
>
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