[lwip-users] Re: Writing an ethernet device driver from ethernetif.c

[Durgaprasad Chivukula]

On 7/21/05, Durgaprasad Chivukula <address@hidden> wrote:
> Hi ,
> 
>  I made a shared library of lwip stack , and  want to use this library
> to use it for an application .I also want to get the ethernet
> functionality included in this library.
> I am in the work of writing the ethernet device driver , and got few
> doubts when I saw the skeleton ethernetif.c ..
> 
> 1. What changes do I need make in the ethernetif.c to fit for my ethernet card
> (my ethernet card is from 3Com  model 3c905B) . I am working under
> Redhat linux 9.0  , 2.4.20-8
> 
> 2. I observed in the skeleton ethernetif.c , that there are some
> functions which are'nt declared anywhere else, are these functions
> device dependent ...??
> the functions like... send data from(q->payload, q->len) , singal that
> packet should be sent(), drop packet () ,   etc.....
 
 the similar functions I found in tapif.c , I came to know that is the
functionality that should be implemented , can I implement the same
functionality as tapif.c in ethernetif.c tooo..??? I mean to say the
copy & paste of the same implementation and What other changes do I
need to make..inorder to make it compatible to my ethernet card????
Help!!!!
Durga


> 
> 
> 3.Asssuming  the device driver is ready , can I include this driver in
> my shared library , so that lwip can use ethernet actually , to get
> and put files for my application..?
> 
> Please clarify me in this regard... any kind of suggestions would be
> helpful for me
> 
> Help!!!!!
> Thanks
> Durga Prasad Chivukula
>