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Commit 81be8f0a authored by Ajit Khaparde's avatar Ajit Khaparde Committed by David S. Miller
Browse files

be2net: fix to get max VFs supported from adapter 



The user supplied num_vfs value need not be compared
against a static BE_MAX_VF, but can be checked against
the actual VFs that the device can support.

Signed-off-by: default avatarAjit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b0060586

drivers/net/benet/be_main.c

+14 −8
Original line number Diff line number Diff line
@@ -1947,7 +1947,20 @@ static void be_sriov_enable(struct be_adapter *adapter) 
	be_check_sriov_fn_type(adapter);

#ifdef CONFIG_PCI_IOV

	if (be_physfn(adapter) && num_vfs) {

		int status;

		int status, pos;

		u16 nvfs;



		pos = pci_find_ext_capability(adapter->pdev,

						PCI_EXT_CAP_ID_SRIOV);

		pci_read_config_word(adapter->pdev,

					pos + PCI_SRIOV_TOTAL_VF, &nvfs);



		if (num_vfs > nvfs) {

			dev_info(&adapter->pdev->dev,

					"Device supports %d VFs and not %d\n",

					nvfs, num_vfs);

			num_vfs = nvfs;

		}



		status = pci_enable_sriov(adapter->pdev, num_vfs);

		adapter->sriov_enabled = status ? false : true;
@@ -3284,13 +3297,6 @@ static int __init be_init_module(void) 
		rx_frag_size = 2048;

	}



	if (num_vfs > 32) {

		printk(KERN_WARNING DRV_NAME

			" : Module param num_vfs must not be greater than 32."

			"Using 32\n");

		num_vfs = 32;

	}



	return pci_register_driver(&be_driver);

}

module_init(be_init_module);