[PATCH] mt7530 fix mt7530_fdb_write vid missing ivl bit

[Andrew Lunn]

On Fri, Jul 16, 2021 at 05:22:11PM +0200, ericwouds at gmail.com wrote:
> From: Eric Woudstra <37153012+ericwoud at users.noreply.github.com>
> 
> According to reference guides mt7530 (mt7620) and mt7531:
> 
> NOTE: When IVL is reset, MAC[47:0] and FID[2:0] will be used to 
> read/write the address table. When IVL is set, MAC[47:0] and CVID[11:0] 
> will be used to read/write the address table.
> 
> Since the function only fills in CVID and no FID, we need to set the
> IVL bit. The existing code does not set it.
> 
> This is a fix for the issue I dropped here earlier:
> 
> http://lists.infradead.org/pipermail/linux-mediatek/2021-June/025697.html
> 
> With this patch, it is now possible to delete the 'self' fdb entry
> manually. However, wifi roaming still has the same issue, the entry
> does not get deleted automatically. Wifi roaming also needs a fix
> somewhere else to function correctly in combination with vlan.
> 
> Signed-off-by: Eric Woudstra <37153012+ericwoud at users.noreply.github.com>

Hi Eric

We need a real email address in the Signed-off-by, and the noreply bit
makes me think this will not work.

      Andrew