From: Stefan Assmann <sassmann@kpanic.de>
To: netdev@vger.kernel.org
Cc: e1000-devel@lists.sourceforge.net, jeffrey.t.kirsher@intel.com,
alexander.h.duyck@intel.com, sassmann@kpanic.de
Subject: [PATCH 3/3] igb: introduce igb_thermal_sensor_event for sensor checking
Date: Tue, 29 Mar 2011 15:09:46 +0200 [thread overview]
Message-ID: <1301404186-20872-4-git-send-email-sassmann@kpanic.de> (raw)
In-Reply-To: <1301404186-20872-1-git-send-email-sassmann@kpanic.de>
The code for thermal sensor checking should be wrapped into a function.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
---
drivers/net/igb/igb_main.c | 67 ++++++++++++++++++++++---------------------
1 files changed, 34 insertions(+), 33 deletions(-)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 3d850af..cea2f7f 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3532,6 +3532,25 @@ bool igb_has_link(struct igb_adapter *adapter)
return link_active;
}
+static bool igb_thermal_sensor_event(struct e1000_hw *hw, u32 event)
+{
+ bool ret = false;
+ u32 ctrl_ext, thstat;
+
+ /* check for thermal sensor event on i350, copper only */
+ if (hw->mac.type == e1000_i350) {
+ thstat = rd32(E1000_THSTAT);
+ ctrl_ext = rd32(E1000_CTRL_EXT);
+
+ if ((hw->phy.media_type == e1000_media_type_copper) &&
+ !(ctrl_ext & E1000_CTRL_EXT_LINK_MODE_SGMII)) {
+ ret = !!(thstat & event);
+ }
+ }
+
+ return ret;
+}
+
/**
* igb_watchdog - Timer Call-back
* @data: pointer to adapter cast into an unsigned long
@@ -3550,7 +3569,7 @@ static void igb_watchdog_task(struct work_struct *work)
watchdog_task);
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
- u32 link, ctrl_ext, thstat;
+ u32 link;
int i;
link = igb_has_link(adapter);
@@ -3574,25 +3593,14 @@ static void igb_watchdog_task(struct work_struct *work)
((ctrl & E1000_CTRL_RFCE) ? "RX" :
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None")));
- /* check for thermal sensor event on i350,
- * copper only */
- if (hw->mac.type == e1000_i350) {
- thstat = rd32(E1000_THSTAT);
- ctrl_ext = rd32(E1000_CTRL_EXT);
- if ((hw->phy.media_type ==
- e1000_media_type_copper) && !(ctrl_ext &
- E1000_CTRL_EXT_LINK_MODE_SGMII)) {
- if (thstat &
- E1000_THSTAT_LINK_THROTTLE) {
- printk(KERN_INFO "igb: %s The "
- "network adapter link "
- "speed was downshifted "
- "because it "
- "overheated.\n",
- netdev->name);
- }
- }
+ /* check for thermal sensor event */
+ if (igb_thermal_sensor_event(hw, E1000_THSTAT_LINK_THROTTLE)) {
+ printk(KERN_INFO "igb: %s The network adapter "
+ "link speed was downshifted "
+ "because it overheated.\n",
+ netdev->name);
}
+
/* adjust timeout factor according to speed/duplex */
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
@@ -3618,22 +3626,15 @@ static void igb_watchdog_task(struct work_struct *work)
if (netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
- /* check for thermal sensor event on i350
- * copper only*/
- if (hw->mac.type == e1000_i350) {
- thstat = rd32(E1000_THSTAT);
- ctrl_ext = rd32(E1000_CTRL_EXT);
- if ((hw->phy.media_type ==
- e1000_media_type_copper) && !(ctrl_ext &
- E1000_CTRL_EXT_LINK_MODE_SGMII)) {
- if (thstat & E1000_THSTAT_PWR_DOWN) {
- printk(KERN_ERR "igb: %s The "
- "network adapter was stopped "
- "because it overheated.\n",
+
+ /* check for thermal sensor event */
+ if (igb_thermal_sensor_event(hw, E1000_THSTAT_PWR_DOWN)) {
+ printk(KERN_ERR "igb: %s The network adapter "
+ "was stopped because it "
+ "overheated.\n",
netdev->name);
- }
- }
}
+
/* Links status message must follow this format */
printk(KERN_INFO "igb: %s NIC Link is Down\n",
netdev->name);
--
1.7.4
next prev parent reply other threads:[~2011-03-29 13:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-29 13:09 [PATCH 0/3] igb: cleanup and code deduplication Stefan Assmann
2011-03-29 13:09 ` [PATCH 1/3] igb: fix typo in igb_validate_nvm_checksum_82580 Stefan Assmann
2011-03-29 13:09 ` [PATCH 2/3] igb: transform igb_{update,validate}_nvm_checksum into wrappers of their *_with_offset equivalents Stefan Assmann
2011-04-04 7:23 ` Stefan Assmann
2011-03-29 13:09 ` Stefan Assmann [this message]
2011-03-30 0:00 ` [PATCH 0/3] igb: cleanup and code deduplication Jeff Kirsher
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