From d768319cd4277ef1cfa1e04792adb0aeea40cca6 Mon Sep 17 00:00:00 2001 From: Tobias Regnery Date: Tue, 15 Nov 2016 12:43:16 +0100 Subject: [PATCH] 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: Tobias Regnery Signed-off-by: David S. Miller --- drivers/net/ethernet/atheros/alx/main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 91c9149ab3f2..c8f525574d68 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -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; -- 2.11.0