Re: [lwip-users] Callback when get any IP or ICMP packet?

[narke]

On 9 October 2011 00:40, Simon Goldschmidt <address@hidden> wrote:
> narke <address@hidden> wrote:
>
>> For the technical you mentioned, would you please show me a code
>> illustration?  I just need to 'listen' on any IP packet coming to my
>> interface but without changing it.  Hacking ip_input() might be a
>> solution (as Kieran probably pointed out), but I am looking for a
>> better way.
>
> As i said, a good example for using a raw pcb is in the ping app. Have you 
> had a look at it? In the receive callback, just always return 0, then no 
> packet will get changed.
>
> Simon
>>
>

Simon,

Many thanks!  I check the ping.c and get understand the raw_bind() and
raw_recv() APIs.  They are nice!

-- 
Life is the only flaw in an otherwise perfect nonexistence
    -- Schopenhauer

narke
public key at http://subkeys.pgp.net:11371 (address@hidden)