PPP & X.25 (not AX.25)

PPP & X.25 (not AX.25)

Post by David Vrt » Wed, 07 Dec 1994 21:47:50

Someone running PPP over X.25 ?



University of Maribor         |    X.400: S=vrtin;O=uni-mb;P=ac;A=mail;C=si
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1. Problems: AX.25(017), PPP (0.1.5), and Linux 1.1.6

I have been trying to get AX.25 and PPP to work together in the 1.1.6
Linux kernel.

The problem, as far as I can tell, is that the header file
net/inet/dev.h has been replicated as include/linux/netdevice.h.
However, it was not completely duplicated.  In these header files is a
definition for "struct device", however the definitions are not the
same.  The definition in netdevice.h does not include function
pointers to add_arp and queue_xmit.

But wait, there's more!  The ax.25 header file (I forget which one
offhand) still wants to include "dev.h", so I get a multiply-defined

If I remove dev.h (and replace it with a file that just contains one
        #include <linux/netdevice.h>

The multiple defines go away, but ppp has a problem with the device
structure, since it no longer has the add_arp and queue_xmit members.

If I add those members into the definition in netdevice.h, all
networking seems to stop (I haven't verified this, yet, I plan to this

So, I guess my question is has anyone gotten AX.25 017 and PPP to work
together in a Linux 1.1.6 (or higher) kernel??  If so, how?


         Derek Atkins, SB '93 MIT EE, G MIT Media Laboratory
       Member, MIT Student Information Processing Board (SIPB)
    Home page: http://www.mit.edu:8001/people/warlord/home_page.html

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