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net: enetc: act upon mqprio queue config in taprio offload

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We assume that the mqprio queue configuration from taprio has a simple
1:1 mapping between prio and traffic class, and one TX queue per TC.
That might not be the case. Actually parse and act upon the mqprio
config.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2023-02-04 15:53:07 +02:00 committed by David S. Miller
parent 1a353111b6
commit 06b1c9110a
1 changed files with 6 additions and 14 deletions
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20
drivers/net/ethernet/freescale/enetc/enetc_qos.c
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@ -136,29 +136,21 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data)
{
struct tc_taprio_qopt_offload *taprio = type_data;
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_bdr *tx_ring;
int err;
int i;
int err, i;
/* TSD and Qbv are mutually exclusive in hardware */
for (i = 0; i < priv->num_tx_rings; i++)
if (priv->tx_ring[i]->tsd_enable)
return -EBUSY;
for (i = 0; i < priv->num_tx_rings; i++) {
tx_ring = priv->tx_ring[i];
tx_ring->prio = taprio->enable ? i : 0;
enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
}
err = enetc_setup_tc_mqprio(ndev, &taprio->mqprio);
if (err)
return err;
err = enetc_setup_taprio(ndev, taprio);
if (err) {
for (i = 0; i < priv->num_tx_rings; i++) {
tx_ring = priv->tx_ring[i];
tx_ring->prio = taprio->enable ? 0 : i;
enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
}
taprio->mqprio.qopt.num_tc = 0;
enetc_setup_tc_mqprio(ndev, &taprio->mqprio);
}
return err;