From: Pavel Fedin <p.fe...@samsung.com>
Date: Tue, 23 Jun 2015 10:11:03 +0300
> This bug pops up with NetworkManager on Fedora 21. NetworkManager tends to
> stop the interface (nicvf_stop() is called) before changing settings. In
> stopped state MAC cannot be sent to a PF. However, when the interface is
> restarted (nicvf_open() is called), we ping the PF using NIC_MBOX_MSG_READY
> message, and the PF replies back with old MAC address, overriding what we
> had after MAC setting from userspace. As a result, we cannot set MAC
> address using NetworkManager.
>
> This patch introduces special tracking of MAC change in stopped state so
> that the correct new MAC address is sent to a PF when interface is reopen.
>
> Signed-off-by: Pavel Fedin <p.fe...@samsung.com>
> ---
> Differences from v1:
> - Fixed a couple of checkpatch.pl reports (was forgotten in v1)
> - Adjusted email client prefs, hopefully will not corrupt patches any more.
Still have problems:
> diff --git a/drivers/net/ethernet/cavium/thunder/nic.h
> b/drivers/net/ethernet/cavium/thunder/nic.h
> index a3b43e5..dda8a02 100755
> --- a/drivers/net/ethernet/cavium/thunder/nic.h
> +++ b/drivers/net/ethernet/cavium/thunder/nic.h
> @@ -263,6 +263,7 @@ struct nicvf {
This hunk makes 'git am' complain:
Applying: net: Cavium: Fix MAC address setting in shutdown state
warning: drivers/net/ethernet/cavium/thunder/nic.h has type 100644, expected
100755
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