libnl 3 with kernel < 2.6.38

Thierry Reding thierry.reding at avionic-design.de
Wed Mar 23 05:17:21 EDT 2011


Hi,

I use libnl in a project for link monitoring and recently upgraded to libnl
3. However it looks like libnl 3 does not properly work against kernels older
than 2.6.38. Specifically, rtnl_link_change() returns NLE_INVAL with code
that worked with libnl 2 on 2.6.37 (and libnl 3 on 2.6.38) but fails with
libnl 3 on 2.6.37.

Am I doing something wrong or is this expected behaviour? I couldn't find any
mention of such an incompatibility.

Cheers,
Thierry
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