[ofa-general] Re: [PATCH v2] IPoIB: refresh paths that might be invalid

[Moni Shoua]

Yossi Etigin wrote:
> How about marking neighbours invalid (instead of paths)
> then you could mark all neighbours invalid on flush events,
> and in ipoib_start_xmit() add neigh->valid to the gid memcmp
> condition, so that if neigh->valid is 0 ipoib will free it,
> and call ipoib_path_loookup()?
> 

Destroying the neigh destroys the ah and if we are going this way we lose 
the benefits of FLUSH_LIGHT event which is keeping the ah with the assumption that 
it is still valid (which is the case most of the times)