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
...@@ -1947,7 +1947,20 @@ static void be_sriov_enable(struct be_adapter *adapter) ...@@ -1947,7 +1947,20 @@ static void be_sriov_enable(struct be_adapter *adapter)
be_check_sriov_fn_type(adapter); be_check_sriov_fn_type(adapter);
#ifdef CONFIG_PCI_IOV #ifdef CONFIG_PCI_IOV
if (be_physfn(adapter) && num_vfs) { 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); status = pci_enable_sriov(adapter->pdev, num_vfs);
adapter->sriov_enabled = status ? false : true; adapter->sriov_enabled = status ? false : true;
...@@ -3284,13 +3297,6 @@ static int __init be_init_module(void) ...@@ -3284,13 +3297,6 @@ static int __init be_init_module(void)
rx_frag_size = 2048; 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); return pci_register_driver(&be_driver);
} }
module_init(be_init_module); module_init(be_init_module);
......
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