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net: airoha: Reset BQL stopping the netdevice

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Run airoha_qdma_cleanup_tx_queue() in ndo_stop callback in order to
unmap pending skbs. Moreover, reset BQL txq state stopping the netdevice,

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Hariprasad Kelam <hkelam@marvell.com>
Message-ID: <20241017-airoha-en7581-reset-bql-v1-1-08c0c9888de5@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
This commit is contained in:
Lorenzo Bianconi
2024-10-17 16:01:41 +02:00
committed by Andrew Lunn
parent 93a610c00f
commit c9f947769b
1 changed files with 9 additions and 1 deletions
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10
drivers/net/ethernet/mediatek/airoha_eth.c
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@@ -2342,7 +2342,7 @@ static int airoha_dev_stop(struct net_device *dev)
{
struct airoha_gdm_port *port = netdev_priv(dev);
struct airoha_qdma *qdma = port->qdma;
int err;
int i, err;
netif_tx_disable(dev);
err = airoha_set_gdm_ports(qdma->eth, false);
@@ -2353,6 +2353,14 @@ static int airoha_dev_stop(struct net_device *dev)
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);
for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
if (!qdma->q_tx[i].ndesc)
continue;
airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
netdev_tx_reset_subqueue(dev, i);
}
return 0;
}