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Re: [lwip-users] Using ARP to get MAC address
From: |
Kieran Mansley |
Subject: |
Re: [lwip-users] Using ARP to get MAC address |
Date: |
Mon, 20 Feb 2012 19:35:50 +0000 |
On 19 Feb 2012, at 13:42, Tomas D. wrote:
>> If find_entry() is returning 0 (i.e. it has a row for that IP addr at index
>> 0) but etharp_find_addr() is returning -1 that must mean that the
>> arp_table.state for that row is not ETHARP_STATE_STABLE. What is it? That
>> will show you the problem.
>>
> Hello,
> exactly, find_entry() returns 0 as index, but arp_table.state returns
> ETHARP_STATE_PENDING. I can't get it to go ETHARP_STATE_STABLE. Maybe someone
> could drop me some pointers how to solve this?
Are you getting a valid ARP response from the other end? It might be worth
tracing through what happens in lwIP when that packet is received to see why it
doesn't transition to STABLE as a result.
Kieran
- [lwip-users] Using ARP to get MAC address, Tomas Daujotas, 2012/02/17
- Re: [lwip-users] Using ARP to get MAC address, Simon Goldschmidt, 2012/02/17
- Re: [lwip-users] Using ARP to get MAC address, Tomas Daujotas, 2012/02/17
- Re: [lwip-users] Using ARP to get MAC address, Tomas Daujotas, 2012/02/17
- Re: [lwip-users] Using ARP to get MAC address, Kieran Mansley, 2012/02/18
- Re: [lwip-users] Using ARP to get MAC address, Tomas D., 2012/02/19
- Re: [lwip-users] Using ARP to get MAC address,
Kieran Mansley <=
- Re: [lwip-users] Using ARP to get MAC address, Tomas D., 2012/02/22
- Re: [lwip-users] Using ARP to get MAC address, Tomas D., 2012/02/23