diff options
| author | Ronak Doshi <doshir@vmware.com> | 2021-07-17 00:36:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-17 02:32:14 +0200 |
| commit | 15ccf2f4b09c4443435e815b8086bc161da27e24 (patch) | |
| tree | ebffb82022b6cc2634bab96f2e7dff9f6eac79f4 /drivers/net/vmxnet3 | |
| parent | vmxnet3: add support for 32 Tx/Rx queues (diff) | |
| download | linux-15ccf2f4b09c4443435e815b8086bc161da27e24.tar.xz linux-15ccf2f4b09c4443435e815b8086bc161da27e24.zip | |
vmxnet3: remove power of 2 limitation on the queues
With version 6, vmxnet3 relaxes the restriction on queues to
be power of two. This is helpful in cases (Edge VM) where
vcpus are less than 8 and device requires more than 4 queues.
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Acked-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vmxnet3')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_drv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index d32fa6f3ae57..41e694d13c92 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -3399,7 +3399,6 @@ vmxnet3_probe_device(struct pci_dev *pdev, else #endif num_rx_queues = 1; - num_rx_queues = rounddown_pow_of_two(num_rx_queues); if (enable_mq) num_tx_queues = min(VMXNET3_DEVICE_MAX_TX_QUEUES, @@ -3407,7 +3406,6 @@ vmxnet3_probe_device(struct pci_dev *pdev, else num_tx_queues = 1; - num_tx_queues = rounddown_pow_of_two(num_tx_queues); netdev = alloc_etherdev_mq(sizeof(struct vmxnet3_adapter), max(num_tx_queues, num_rx_queues)); if (!netdev) @@ -3525,6 +3523,8 @@ vmxnet3_probe_device(struct pci_dev *pdev, } } else { adapter->queuesExtEnabled = false; + num_rx_queues = rounddown_pow_of_two(num_rx_queues); + num_tx_queues = rounddown_pow_of_two(num_tx_queues); adapter->num_rx_queues = min(num_rx_queues, VMXNET3_DEVICE_DEFAULT_RX_QUEUES); adapter->num_tx_queues = min(num_tx_queues, @@ -3705,7 +3705,9 @@ vmxnet3_remove_device(struct pci_dev *pdev) else #endif num_rx_queues = 1; - num_rx_queues = rounddown_pow_of_two(num_rx_queues); + if (!VMXNET3_VERSION_GE_6(adapter)) { + num_rx_queues = rounddown_pow_of_two(num_rx_queues); + } if (VMXNET3_VERSION_GE_6(adapter)) { spin_lock_irqsave(&adapter->cmd_lock, flags); VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, |