From: Felix Manlunas <felix.manlu...@cavium.com>
Date: Thu, 6 Apr 2017 19:22:22 -0700

> For security reasons, NIC firmware does not allow VF to set its VLAN if PF
> set it already.  Firmware allows VF to set its VLAN if PF did not set it.
> After the VF instructs the firmware to set the VLAN, VF always indicates
> (via return 0) that the operation is successful--even for the times when it
> isn't.
> 
> Put in a mechanism for the VF's set VLAN function to receive the firmware
> response code, then make that function return -EPERM if the firmware
> forbids the operation.
> 
> Make that mechanism available for other functions that may, in the future,
> be interested in receiving the response code from the firmware.  That
> mechanism involves adding new fields to struct octnic_ctrl_pkt, so make all
> users of struct octnic_ctrl_pkt initialize the struct to zero before using
> it; otherwise, the mechanism might act on uninitialized garbage.
> 
> Signed-off-by: Felix Manlunas <felix.manlu...@cavium.com>
> Signed-off-by: Derek Chickles <derek.chick...@cavium.com>

Applied, thanks.

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