[ECOS] Multiple network interface & routing question

[Will Wagner]

Thanks,

It looks reasonable, I'll give it a try.

Will.

Andrew Lunn wrote:
> On Tue, Oct 09, 2007 at 12:25:42PM +0100, Will Wagner wrote:
>> Hi All,
>>
>> I'm using the bsd sockets code and I have more than one interface. I am 
>> seeing that when one interface has to reget an address via dhcp then I get 
>> problems using the other interface.
>>
>> Looking through the code it appears there might me a problem with the 
>> routing table. The dhcp code calls cyg_route_reinit() in a couple of places 
>> - do_dhcp_down_net() and bring_half_up() which are called whilst obtaining 
>> an address. The cyg_route_reinit() function seems to just empty the routing 
>> table regardless of interface.
>>
>> Could this be my problem or am I looking in the wrong place? Anyone got any 
>> code for removing all routes for a specific interface only?
> 
> There is a patch for that somewhere in ecos-patches, probably in the
> last year. Although it looked O.K. i was not convinced it would work
> in all situations. Why did the original author of the DHCP client not
> do something similar?. I don't have a dual interface device so i
> cannot test. So i would be interested in your comments about the
> patch.
> 
>         Andrew

-- 
------------------------------------------------------------------------
Will Wagner                                     will_wagner@carallon.com
Senior Project Engineer                  Office Tel: +44 (0)20 7371 2032
Carallon Ltd, Studio G20, Shepherds Building, Rockley Rd, London W14 0DA
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