Re: BPF into the HARP stack

> In my Nicstar driver, I put the hooks into the device driver, right
> after transmission, and as it recieved a new packet. In this way we
> are not HARP specific.

I saw your source code, however I would prefer a solution that is not driver 
depedent.


>
> I added a pseudo-header consisting of the following 5 octects:
>
>  DIRECTION    VPI    VCI      GFC    Payload Type    Cell Loss Priority
>    8bits      8bits 16 bits  4 bits    3 bits        1 bit
>  0x80 = transmit
>  0x00 = recieve
>
> New pcap rules have to be added to use the ATM packets with tcpdump and
> family.

Is it included into the official libpcap or tcpdump release ?

>
> when I supplied the DMA address for the first buffer of the PDU, I
> left 8 octects, so I knew I had room to add the pseudo-header without
> needing a m_pullup().

grr, the famous m_pullup issues ;-(

Thanks,
   Vincent

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