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| author | Emil Tantilov <emil.s.tantilov@intel.com> | 2010-07-01 15:38:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-02 07:45:56 +0200 |
| commit | c0f2276f3601a96b29d4347c5938e9494e8e4e5d (patch) | |
| tree | f2e79edf070750d4b4e02bcd8f567ef196775c65 /drivers/net/igb | |
| parent | igb: Use only a single Tx queue in SR-IOV mode (diff) | |
| download | linux-c0f2276f3601a96b29d4347c5938e9494e8e4e5d.tar.xz linux-c0f2276f3601a96b29d4347c5938e9494e8e4e5d.zip | |
igb: Fix Tx hangs seen when loading igb with max_vfs > 7.
Check the value of max_vfs at the time of assignment of vfs_allocated_count.
The previous check in igb_probe_vfs was too late as by that time the rx/tx
rings were initialized with the wrong offset.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index e79689eeb1fe..d811462ab9b6 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2091,9 +2091,6 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter) #ifdef CONFIG_PCI_IOV struct pci_dev *pdev = adapter->pdev; - if (adapter->vfs_allocated_count > 7) - adapter->vfs_allocated_count = 7; - if (adapter->vfs_allocated_count) { adapter->vf_data = kcalloc(adapter->vfs_allocated_count, sizeof(struct vf_data_storage), @@ -2258,7 +2255,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) #ifdef CONFIG_PCI_IOV if (hw->mac.type == e1000_82576) - adapter->vfs_allocated_count = max_vfs; + adapter->vfs_allocated_count = (max_vfs > 7) ? 7 : max_vfs; #endif /* CONFIG_PCI_IOV */ adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); |