diff options
| author | Dhananjay Phadke <dhananjay@netxen.com> | 2008-03-17 22:59:48 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2008-03-25 23:16:15 -0400 |
| commit | 443be7960be77f3345b44491c700ae4471b0fe57 (patch) | |
| tree | 48a20558ab8b4726507948b6fc3c850cac13f84b /drivers/net/netxen/netxen_nic_hw.c | |
| parent | 9e6db60825ef7e7999abc610ce256ba768e58162 (diff) | |
netxen: improve msi support
Recent netxen firmware has new scheme of generating MSI interrupts, it
raises interrupt and blocks itself, waiting for driver to unmask. This
reduces chance of spurious interrupts.
The driver will be able to deal with older firmware as well.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Tested-by: Vernon Mauery <mauery@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hw.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 01355701bf8..05748ca6f21 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c | |||
| @@ -398,6 +398,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) | |||
| 398 | NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW)); | 398 | NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW)); |
| 399 | printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name, | 399 | printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name, |
| 400 | adapter->intr_scheme); | 400 | adapter->intr_scheme); |
| 401 | adapter->msi_mode = readl( | ||
| 402 | NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW)); | ||
| 401 | DPRINTK(INFO, "Receive Peg ready too. starting stuff\n"); | 403 | DPRINTK(INFO, "Receive Peg ready too. starting stuff\n"); |
| 402 | 404 | ||
| 403 | addr = netxen_alloc(adapter->ahw.pdev, | 405 | addr = netxen_alloc(adapter->ahw.pdev, |