Re: [lwip-users] using etharp from ethernetif

[Jani Monoses]

> {
>   p = etharp_output(netif, ipaddr, p);
>   if(p != NULL) {
>     low_level_output(netif, p);

here -> p = NULL;

>   }
>   return ERR_OK;
> }
> 

I don't know if this is enough though.

> err_t
> low_level_output(struct netif *rt_3c905cif, struct pbuf *p)
> {
>   struct pbuf *q;
>   unsigned char buf[1536];
>   unsigned char *bufptr;  
>  
>   //initiate transfer;
>   bufptr = buf;  
>   
>   for(q = p; q != NULL; q = q->next) {
>     /* Send the data from the pbuf to the interface, one pbuf at a
>        time. The size of the data in each pbuf is kept in the ->len
>        variable. */
>     bcopy(q->payload, bufptr, q->len);
>     bufptr += q->len;
>   }
> 
>   //signal that packet should be sent;
>   {
>     int tmp;
>     int counter=0;
>  
>     while((tmp = write(rt_3c905cif_fd,buf,p->tot_len)) == -1){
>       counter++;
>       usleep(1);  
>     }
>   }
>   
>   return ERR_OK;
> }
> 
> 
> 
> 
> What's wrong??? It looks like I need to allocate memory for a pbuf
> somewhere, but I don't see where, do you???
> 
> Thanks.
> Sergio