[PATCH] common/sfc_efx/base: support link status change v2 events

[Andrew Rybchenko]

On 3/28/23 19:51, Ivan Malov wrote:
> FW should send link status change events in either v1 or
> v2 format depending on the preference which the driver
> can express during CMD_DRV_ATTACH stage. At the moment,
> libefx does not request v2, so v1 events must arrive.
> However, FW does not honour this choice and always
> sends v2 events. So teach libefx to parse such and
> add v2 request to CMD_DRV_ATTACH, correspondingly.
> 
> Signed-off-by: Ivan Malov <ivan.malov at arknetworks.am>
> Reviewed-by: Andy Moreton <amoreton at xilinx.com>

Acked-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>