* How to find the correct source address to a destination in a kernel driver?
@ 2014-10-17 8:08 Stephan von Krawczynski
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From: Stephan von Krawczynski @ 2014-10-17 8:08 UTC (permalink / raw)
To: linux-kernel
Hello all,
in former kernels with routing cache things were easy. We just used :
rt = ip_route_output_key(XXX)
src = rt->rt_src;
Now if there is no routing cache, we tried this:
rt = ip_route_output_key(XXX)
src = inet_select_addr(rt->dst.dev, dst, RT_SCOPE_UNIVERSE);
Unfortunately this does not work with interfaces having multiple ip addresses
and the routing in question is not over the first configured ip.
How do I get the correct src for all possible cases?
--
Regards,
Stephan
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2014-10-17 8:08 How to find the correct source address to a destination in a kernel driver? Stephan von Krawczynski
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