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net: enetc: simplify enetc_num_stack_tx_queues()

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We keep a pointer to the xdp_prog in the private netdev structure as
well; what's replicated per RX ring is done so just for more convenient
access from the NAPI poll procedure.

Simplify enetc_num_stack_tx_queues() by looking at priv->xdp_prog rather
than iterating through the information replicated per RX ring.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2023-02-03 02:11:13 +02:00 committed by Jakub Kicinski
parent 8788260e8f
commit 1c81a9b3aa
1 changed files with 2 additions and 4 deletions
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6
drivers/net/ethernet/freescale/enetc/enetc.c
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@ -28,11 +28,9 @@ EXPORT_SYMBOL_GPL(enetc_port_mac_wr);
static int enetc_num_stack_tx_queues(struct enetc_ndev_priv *priv)
{
int num_tx_rings = priv->num_tx_rings;
int i;
for (i = 0; i < priv->num_rx_rings; i++)
if (priv->rx_ring[i]->xdp.prog)
return num_tx_rings - num_possible_cpus();
if (priv->xdp_prog)
return num_tx_rings - num_possible_cpus();
return num_tx_rings;
}