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Commit d768319c authored by Tobias Regnery's avatar Tobias Regnery Committed by David S. Miller
Browse files

alx: enable multiple tx queues 



Enable multiple tx queues by default based on the number of online cpus. The
hardware supports up to four tx queues.

Based on the downstream driver at github.com/qca/alx

Signed-off-by: default avatarTobias Regnery <tobias.regnery@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f58e0f77

drivers/net/ethernet/atheros/alx/main.c

+6 −2
Original line number Diff line number Diff line
@@ -834,7 +834,7 @@ static bool alx_enable_msix(struct alx_priv *alx) 
{

	int i, err, num_vec, num_txq, num_rxq;



	num_txq = 1;

	num_txq = min_t(int, num_online_cpus(), ALX_MAX_TX_QUEUES);

	num_rxq = 1;

	num_vec = max_t(int, num_txq, num_rxq) + 1;
@@ -1241,6 +1241,9 @@ static int __alx_open(struct alx_priv *alx, bool resume) 
	if (err)

		goto out_free_rings;



	netif_set_real_num_tx_queues(alx->dev, alx->num_txq);

	netif_set_real_num_rx_queues(alx->dev, alx->num_rxq);



	/* clear old interrupts */

	alx_write_mem32(&alx->hw, ALX_ISR, ~(u32)ALX_ISR_DIS);
@@ -1749,7 +1752,8 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
		goto out_pci_release;

	}



	netdev = alloc_etherdev(sizeof(*alx));

	netdev = alloc_etherdev_mqs(sizeof(*alx),

				    ALX_MAX_TX_QUEUES, 1);

	if (!netdev) {

		err = -ENOMEM;

		goto out_pci_release;