RE: [PATCH v10] wifi: mt76: mt7915: add wds support when wed is enabled

[Ping-Ke Shih]

Shengyu Qu <wiagn233@xxxxxxxxxxx> wrote:
> 
> The current WED only supports 256 wcid, whereas mt7986 can support up to
> 512 entries, so firmware provides a rule to get sta_info by DA when wcid
> is set to 0x3ff by txd. Also, WED provides a register to overwrite txd
> wcid, that is, wcid[9:8] can be overwritten by 0x3 and wcid[7:0] is set
> to 0xff by host driver.
> 
> However, firmware is unable to get sta_info from DA as DA != RA for
> 4addr cases, so firmware and wifi host driver both use wcid (256 - 271)
> and (768 ~ 783) for sync up to get correct sta_info.
> 
> Currently WDS+WED config is completely broken on MT7986/7981 devices if
> without this patch.
> 
> Tested-by: Sujuan Chen <sujuan.chen@xxxxxxxxxxxx>
> Co-developed-by: Bo Jiao <bo.jiao@xxxxxxxxxxxx>
> Signed-off-by: Bo Jiao <bo.jiao@xxxxxxxxxxxx>
> Signed-off-by: Sujuan Chen <sujuan.chen@xxxxxxxxxxxx>
> Signed-off-by: Shengyu Qu <wiagn233@xxxxxxxxxxx>

Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>