[Intel-wired-lan] [PATCH net-queue v1] igc: Use num_tx_queues when iterating over tx_ring queue

[Sasha Neftin]

On 7/22/2021 03:34, Vinicius Costa Gomes wrote:
> From: "Nishioka, Toshiki" <toshiki.nishioka at intel.com>
> 
> Use num_tx_queues rather than the IGC_MAX_TX_QUEUES fixed number 4 when
> iterating over tx_ring queue since instantiated queue count could be
> less than 4 where on-line cpu count is less than 4.
> 
> Fixes: ec50a9d437f0 ("igc: Add support for taprio offloading")
> Signed-off-by: Toshiki Nishioka <toshiki.nishioka at intel.com>
> Tested-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli at intel.com>
> Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli at intel.com>
> ---
>   drivers/net/ethernet/intel/igc/igc_main.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
> index e29aadbc6744..2b3b741f816c 100644
> --- a/drivers/net/ethernet/intel/igc/igc_main.c
> +++ b/drivers/net/ethernet/intel/igc/igc_main.c
> @@ -5489,7 +5489,7 @@ static bool validate_schedule(struct igc_adapter *adapter,
>   		if (e->command != TC_TAPRIO_CMD_SET_GATES)
>   			return false;
>   
> -		for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
> +		for (i = 0; i < adapter->num_tx_queues; i++) {
>   			if (e->gate_mask & BIT(i))
>   				queue_uses[i]++;
>   
> @@ -5546,7 +5546,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter,
>   
>   		end_time += e->interval;
>   
> -		for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
> +		for (i = 0; i < adapter->num_tx_queues; i++) {
>   			struct igc_ring *ring = adapter->tx_ring[i];
>   
>   			if (!(e->gate_mask & BIT(i)))
> 
Acked-by: Sasha Neftin <sasha.neftin at intel.com>