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Date: Fri, 11 Sep 2009 12:18:42 +1000
From: Simon Horman <horms@...ge.net.au>
To: e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org
Cc: John Ronciak <john.ronciak@...el.com>,
PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>,
Bruce Allan <bruce.w.allan@...el.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [patch] igb: Tidy vf initialisation
This is purely cosmetic, but to my mind it makes the code a lot easier
to follow.
Signed-off-by: Simon Horman <horms@...ge.net.au>
Index: net-next-2.6/drivers/net/igb/igb_main.c
===================================================================
--- net-next-2.6.orig/drivers/net/igb/igb_main.c 2009-09-09 15:04:34.000000000 +1000
+++ net-next-2.6/drivers/net/igb/igb_main.c 2009-09-09 16:06:59.000000000 +1000
@@ -1194,6 +1194,44 @@ static const struct net_device_ops igb_n
#endif
};
+/* Since IOV functionality isn't critical to base device function we can
+ * accept failure. If it fails we don't allow IOV to be enabled */
+static void __devinit igb_probe_vf(struct pci_dev *pdev,
+ struct igb_adapter *adapter)
+{
+#ifdef CONFIG_PCI_IOV
+ /* 82576 supports a maximum of 7 VFs in addition to the PF */
+ unsigned int num_vfs = (max_vfs > 7) ? 7 : max_vfs;
+ int i;
+ unsigned char mac_addr[ETH_ALEN];
+
+ if (adapter->hw.mac.type != e1000_82576 || !num_vfs)
+ return;
+
+ adapter->vf_data = kcalloc(num_vfs, sizeof(struct vf_data_storage),
+ GFP_KERNEL);
+ if (!adapter->vf_data) {
+ dev_err(&pdev->dev, "Could not allocate VF private data - "
+ "IOV enable failed\n");
+ return;
+ }
+
+ if (pci_enable_sriov(pdev, num_vfs)) {
+ kfree(adapter->vf_data);
+ adapter->vf_data = NULL;
+ return;
+ }
+
+ adapter->vfs_allocated_count = num_vfs;
+ dev_info(&pdev->dev, "%d vfs allocated\n", num_vfs);
+ for (i = 0; i < adapter->vfs_allocated_count; i++) {
+ random_ether_addr(mac_addr);
+ igb_set_vf_mac(adapter, i, mac_addr);
+ }
+#endif
+ return;
+}
+
/**
* igb_probe - Device Initialization Routine
* @pdev: PCI device information struct
@@ -1307,46 +1345,8 @@ static int __devinit igb_probe(struct pc
if (err)
goto err_sw_init;
-#ifdef CONFIG_PCI_IOV
- /* since iov functionality isn't critical to base device function we
- * can accept failure. If it fails we don't allow iov to be enabled */
- if (hw->mac.type == e1000_82576) {
- /* 82576 supports a maximum of 7 VFs in addition to the PF */
- unsigned int num_vfs = (max_vfs > 7) ? 7 : max_vfs;
- int i;
- unsigned char mac_addr[ETH_ALEN];
-
- if (num_vfs) {
- adapter->vf_data = kcalloc(num_vfs,
- sizeof(struct vf_data_storage),
- GFP_KERNEL);
- if (!adapter->vf_data) {
- dev_err(&pdev->dev,
- "Could not allocate VF private data - "
- "IOV enable failed\n");
- } else {
- err = pci_enable_sriov(pdev, num_vfs);
- if (!err) {
- adapter->vfs_allocated_count = num_vfs;
- dev_info(&pdev->dev,
- "%d vfs allocated\n",
- num_vfs);
- for (i = 0;
- i < adapter->vfs_allocated_count;
- i++) {
- random_ether_addr(mac_addr);
- igb_set_vf_mac(adapter, i,
- mac_addr);
- }
- } else {
- kfree(adapter->vf_data);
- adapter->vf_data = NULL;
- }
- }
- }
- }
+ igb_probe_vf(pdev, adapter);
-#endif
/* setup the private structure */
err = igb_sw_init(adapter);
if (err)
--
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