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Message-Id: <200706011117.l51BHGYG004794@dut39.unminc.com>
Date: Fri, 1 Jun 2007 04:17:16 -0700
From: Mithlesh Thukral <mithlesh@...xen.com>
To: netdev@...r.kernel.org
Cc: amitkale@...xen.com, jeff@...zik.org, mithlesh@...xen.com,
netxenproj@...syssoft.com, rob@...xen.com
Subject: [PATCH 5/5] NetXen: Fix link status messages
NetXen: Correct link status messages.
This patch will fix the problem of wrong link status messages
that were reported.
Signed-off by: Wen Xiong <wenxiong@...ibm.com>
Signed-off by: Mithlesh Thukral <mithlesh@...xen.com>
---
drivers/net/netxen/netxen_nic.h | 1 +
drivers/net/netxen/netxen_nic_init.c | 21 +++++++++++++--------
drivers/net/netxen/netxen_nic_isr.c | 23 +++++++++++++++++++++++
3 files changed, 37 insertions(+), 8 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 6ce6e99..b8a5d51 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1072,6 +1072,7 @@ int netxen_rom_se(struct netxen_adapter
int netxen_do_rom_se(struct netxen_adapter *adapter, int addr);
/* Functions from netxen_nic_isr.c */
+int netxen_nic_link_ok(struct netxen_adapter *adapter);
void netxen_nic_isr_other(struct netxen_adapter *adapter);
void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 link);
void netxen_handle_port_int(struct netxen_adapter *adapter, u32 enable);
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index ac93987..0d875c0 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1036,18 +1036,23 @@ void netxen_watchdog_task(struct work_st
if ((adapter->portnum == 0) && netxen_nic_check_temp(adapter))
return;
+ if (adapter->handle_phy_intr)
+ adapter->handle_phy_intr(adapter);
+
netdev = adapter->netdev;
- if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
- printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
- netxen_nic_driver_name, adapter->portnum, netdev->name);
+ if ((netdev->flags & IFF_UP) && !netif_carrier_ok(netdev) &&
+ netxen_nic_link_ok(adapter) ) {
+ printk(KERN_INFO "%s %s (port %d), Link is up\n",
+ netxen_nic_driver_name, netdev->name, adapter->portnum);
netif_carrier_on(netdev);
- }
-
- if (netif_queue_stopped(netdev))
netif_wake_queue(netdev);
+ } else if(!(netdev->flags & IFF_UP) && netif_carrier_ok(netdev)) {
+ printk(KERN_ERR "%s %s Link is Down\n",
+ netxen_nic_driver_name, netdev->name);
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
- if (adapter->handle_phy_intr)
- adapter->handle_phy_intr(adapter);
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
}
diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c
index b213b06..3605ce2 100644
--- a/drivers/net/netxen/netxen_nic_isr.c
+++ b/drivers/net/netxen/netxen_nic_isr.c
@@ -169,6 +169,23 @@ void netxen_nic_gbe_handle_phy_intr(stru
netxen_nic_isr_other(adapter);
}
+int netxen_nic_link_ok(struct netxen_adapter *adapter)
+{
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ return ((adapter->ahw.qg_linksup) & 1);
+
+ case NETXEN_NIC_XGBE:
+ return ((adapter->ahw.xg_linkup) & 1);
+
+ default:
+ printk(KERN_ERR"%s: Function: %s, Unknown board type\n",
+ netxen_nic_driver_name, __FUNCTION__);
+ break;
+ }
+ return 0;
+}
+
void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
@@ -183,6 +200,10 @@ void netxen_nic_xgbe_handle_phy_intr(str
printk(KERN_INFO "%s: %s NIC Link is down\n",
netxen_nic_driver_name, netdev->name);
adapter->ahw.xg_linkup = 0;
+ if (netif_running(netdev)) {
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
/* read twice to clear sticky bits */
/* WINDOW = 0 */
netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val1);
@@ -196,5 +217,7 @@ void netxen_nic_xgbe_handle_phy_intr(str
printk(KERN_INFO "%s: %s NIC Link is up\n",
netxen_nic_driver_name, netdev->name);
adapter->ahw.xg_linkup = 1;
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
}
}
-
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