[PATCH net 1/1] net: stmmac: set TxQ mode back to DCB after disabling CBS

[Jesse Brandeburg]

Song Yoong Siang wrote:

> From: Mohammad Athari Bin Ismail <mohammad.athari.ismail at intel.com>
> 
> When disable CBS, mode_to_use parameter is not updated even the operation
> mode of Tx Queue is changed to Data Centre Bridging (DCB). Therefore,
> when tc_setup_cbs() function is called to re-enable CBS, the operation
> mode of Tx Queue remains at DCB, which causing CBS fails to work.
> 
> This patch updates the value of mode_to_use parameter to MTL_QUEUE_DCB
> after operation mode of Tx Queue is changed to DCB in stmmac_dma_qmode()
> callback function.
> 
> Fixes: 1f705bc61aee ("net: stmmac: Add support for CBS QDISC")
> Suggested-by: Gomes, Vinicius <vinicius.gomes at intel.com>
> Signed-off-by: Mohammad Athari Bin Ismail <mohammad.athari.ismail at intel.com>
> Signed-off-by: Song, Yoong Siang <yoong.siang.song at intel.com>

Reviewed-by: Jesse Brandeburg <jesse.brandeburg at intel.com>