Commit 044fad0d authored by Dhananjay Phadke's avatar Dhananjay Phadke Committed by David S. Miller
Browse files

netxen: fix physical port mapping



The PCI function to physical port mapping is valid only for
old firmware. New firmware (4.0.0+) abstracts this.
So driver should never try to access phy using invalid
mapping. The behavior is unpredictable when PCI functions
4-7 are enabled on the same NIC.
Signed-off-by: default avatarDhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 50fee1de
......@@ -795,9 +795,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* See if the firmware gave us a virtual-physical port mapping.
*/
adapter->physical_port = adapter->portnum;
i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
if (adapter->fw_major < 4) {
i = adapter->pci_read_normalize(adapter,
CRB_V2P(adapter->portnum));
if (i != 0x55555555)
adapter->physical_port = i;
}
adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment