[lwip-users] RE: [lwip] weird piece of code in etharp since 0.5.3+ ??

[Ivarsson Magnus]

> Problem is that only the mac address of the default gw must be placed
> in the packet, the destination IP must be preserved, and inside
> etharp.c it seems to be a good place to do so (for a quick hack,
> i guess).

Looking in lwip/netif.h the output function is defined:
 err_t (* output)(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr);

Is it not this ip_addr that is used in finding the Mac adress? 
The IP packet should be unchanged if I understand things correctly?
  
BR, Magnus
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