#include <linux/interrupt.h>
#include <linux/if_ether.h>
#include <linux/aer.h>
+#include <linux/prefetch.h>
#ifdef CONFIG_IGB_DCA
#include <linux/dca.h>
#endif
}
#endif /* CONFIG_PCI_IOV */
adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
+ /* i350 cannot do RSS and SR-IOV at the same time */
+ if (hw->mac.type == e1000_i350 && adapter->vfs_allocated_count)
+ adapter->rss_queues = 1;
/*
* if rss_queues > 4 or vfs are going to be allocated with rss_queues
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
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);
((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) {
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);
}
}
-int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
+int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
{
struct pci_dev *pdev = adapter->pdev;
struct e1000_mac_info *mac = &adapter->hw.mac;
mac->autoneg = 0;
+ /* Make sure dplx is at most 1 bit and lsb of speed is not set
+ * for the switch() below to work */
+ if ((spd & 1) || (dplx & ~1))
+ goto err_inval;
+
/* Fiber NIC's only allow 1000 Gbps Full duplex */
if ((adapter->hw.phy.media_type == e1000_media_type_internal_serdes) &&
- spddplx != (SPEED_1000 + DUPLEX_FULL)) {
- dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
- return -EINVAL;
- }
+ spd != SPEED_1000 &&
+ dplx != DUPLEX_FULL)
+ goto err_inval;
- switch (spddplx) {
+ switch (spd + dplx) {
case SPEED_10 + DUPLEX_HALF:
mac->forced_speed_duplex = ADVERTISE_10_HALF;
break;
break;
case SPEED_1000 + DUPLEX_HALF: /* not supported */
default:
- dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
- return -EINVAL;
+ goto err_inval;
}
return 0;
+
+err_inval:
+ dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
+ return -EINVAL;
}
static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake)