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Re: [lwip-users] Callback when get any IP or ICMP packet?
From: |
narke |
Subject: |
Re: [lwip-users] Callback when get any IP or ICMP packet? |
Date: |
Mon, 10 Oct 2011 09:11:20 +0800 |
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)
- [lwip-users] Callback when get any IP or ICMP packet?, narke, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, Simon Goldschmidt, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, narke, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, Simon Goldschmidt, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, narke, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, Simon Goldschmidt, 2011/10/08
- Re: [lwip-users] Callback when get any IP or ICMP packet?, Paul Archer, 2011/10/09
- Re: [lwip-users] Callback when get any IP or ICMP packet?, Simon Goldschmidt, 2011/10/10
- Re: [lwip-users] Callback when get any IP or ICMP packet?, narke, 2011/10/12
- Re: [lwip-users] Callback when get any IP or ICMP packet?,
narke <=