@@ -2738,35 +2738,26 @@ vmxnet3_read_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac)
static int
vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter, int nvec)
{
- do {
- int err = pci_enable_msix(adapter->pdev,
- adapter->intr.msix_entries, nvec);
- if (!err) {
- return nvec;
- } else if (err < 0) {
- dev_err(&adapter->netdev->dev,
- "Failed to enable MSI-X, error: %d\n", err);
- return err;
- } else if (err < VMXNET3_LINUX_MIN_MSIX_VECT) {
- dev_info(&adapter->pdev->dev,
- "Number of MSI-X which can be allocated "
- "is lower than min threshold required.\n");
- return -ENOSPC;
- } else {
- /* If fails to enable required number of MSI-x vectors
- * try enabling minimum number of vectors required.
- */
- dev_err(&adapter->netdev->dev,
- "Failed to enable %d MSI-X, trying %d\n",
- nvec, VMXNET3_LINUX_MIN_MSIX_VECT);
- nvec = VMXNET3_LINUX_MIN_MSIX_VECT;
- }
- } while (nvec >= VMXNET3_LINUX_MIN_MSIX_VECT);
+ int ret = pci_enable_msix_range(adapter->pdev,
+ adapter->intr.msix_entries, nvec, nvec);
- /*
- * Should never get here
- */
- return -ENOSPC;
+ if (ret == -ENOSPC && nvec > VMXNET3_LINUX_MIN_MSIX_VECT) {
+ dev_err(&adapter->netdev->dev,
+ "Failed to enable %d MSI-X, trying %d\n",
+ nvec, VMXNET3_LINUX_MIN_MSIX_VECT);
+
+ ret = pci_enable_msix_range(adapter->pdev,
+ adapter->intr.msix_entries,
+ VMXNET3_LINUX_MIN_MSIX_VECT,
+ VMXNET3_LINUX_MIN_MSIX_VECT);
+ }
+
+ if (ret < 0) {
+ dev_err(&adapter->netdev->dev,
+ "Failed to enable MSI-X, error: %d\n", ret);
+ }
+
+ return ret;
}
As result of deprecation of MSI-X/MSI enablement functions pci_enable_msix() and pci_enable_msi_block() all drivers using these two interfaces need to be updated to use the new pci_enable_msi_range() and pci_enable_msix_range() interfaces. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Cc: Shreyas Bhatewara <sbhatewara@vmware.com> Cc: pv-drivers@vmware.com Cc: netdev@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/net/vmxnet3/vmxnet3_drv.c | 47 +++++++++++++++---------------------- 1 files changed, 19 insertions(+), 28 deletions(-)