summaryrefslogtreecommitdiff
path: root/drivers/net/ixgbevf/ixgbevf_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ixgbevf/ixgbevf_main.c')
-rw-r--r--drivers/net/ixgbevf/ixgbevf_main.c78
1 files changed, 50 insertions, 28 deletions
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index ca653c49b765..0cd6202dfacc 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -39,6 +39,7 @@
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/ipv6.h>
+#include <linux/slab.h>
#include <net/checksum.h>
#include <net/ip6_checksum.h>
#include <linux/ethtool.h>
@@ -965,7 +966,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
if ((msg & IXGBE_MBVFICR_VFREQ_MASK) == IXGBE_PF_CONTROL_MSG)
mod_timer(&adapter->watchdog_timer,
- round_jiffies(jiffies + 10));
+ round_jiffies(jiffies + 1));
return IRQ_HANDLED;
}
@@ -1610,6 +1611,44 @@ static inline void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter,
(adapter->rx_ring[rxr].count - 1));
}
+static void ixgbevf_save_reset_stats(struct ixgbevf_adapter *adapter)
+{
+ /* Only save pre-reset stats if there are some */
+ if (adapter->stats.vfgprc || adapter->stats.vfgptc) {
+ adapter->stats.saved_reset_vfgprc += adapter->stats.vfgprc -
+ adapter->stats.base_vfgprc;
+ adapter->stats.saved_reset_vfgptc += adapter->stats.vfgptc -
+ adapter->stats.base_vfgptc;
+ adapter->stats.saved_reset_vfgorc += adapter->stats.vfgorc -
+ adapter->stats.base_vfgorc;
+ adapter->stats.saved_reset_vfgotc += adapter->stats.vfgotc -
+ adapter->stats.base_vfgotc;
+ adapter->stats.saved_reset_vfmprc += adapter->stats.vfmprc -
+ adapter->stats.base_vfmprc;
+ }
+}
+
+static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
+ adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
+ adapter->stats.last_vfgorc |=
+ (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
+ adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
+ adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
+ adapter->stats.last_vfgotc |=
+ (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
+ adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
+
+ adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
+ adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
+ adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
+ adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
+ adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
+}
+
static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
@@ -1656,6 +1695,9 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
/* enable transmits */
netif_tx_start_all_queues(netdev);
+ ixgbevf_save_reset_stats(adapter);
+ ixgbevf_init_last_counter_stats(adapter);
+
/* bring the link up in the watchdog, this could race with our first
* link up interrupt but shouldn't be a problem */
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@@ -2228,27 +2270,6 @@ out:
return err;
}
-static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
-
- adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
- adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
- adapter->stats.last_vfgorc |=
- (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
- adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
- adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
- adapter->stats.last_vfgotc |=
- (((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
- adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
-
- adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
- adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
- adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
- adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
- adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
-}
-
#define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter) \
{ \
u32 current_counter = IXGBE_READ_REG(hw, reg); \
@@ -2399,7 +2420,7 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
if (!netif_carrier_ok(netdev)) {
hw_dbg(&adapter->hw, "NIC Link is Up %s, ",
((link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
- "10 Gbps" : "1 Gbps"));
+ "10 Gbps\n" : "1 Gbps\n"));
netif_carrier_on(netdev);
netif_tx_wake_all_queues(netdev);
} else {
@@ -2416,9 +2437,9 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
}
}
-pf_has_reset:
ixgbevf_update_stats(adapter);
+pf_has_reset:
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = true;
@@ -2675,7 +2696,7 @@ static int ixgbevf_open(struct net_device *netdev)
if (hw->adapter_stopped) {
err = IXGBE_ERR_MBX;
printk(KERN_ERR "Unable to start - perhaps the PF"
- "Driver isn't up yet\n");
+ " Driver isn't up yet\n");
goto err_setup_reset;
}
}
@@ -2923,9 +2944,10 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter,
struct ixgbevf_tx_buffer *tx_buffer_info;
unsigned int len;
unsigned int total = skb->len;
- unsigned int offset = 0, size, count = 0, i;
+ unsigned int offset = 0, size, count = 0;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
unsigned int f;
+ int i;
i = tx_ring->next_to_use;
@@ -3390,8 +3412,6 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
/* setup the private structure */
err = ixgbevf_sw_init(adapter);
- ixgbevf_init_last_counter_stats(adapter);
-
#ifdef MAX_SKB_FRAGS
netdev->features = NETIF_F_SG |
NETIF_F_IP_CSUM |
@@ -3449,6 +3469,8 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
adapter->netdev_registered = true;
+ ixgbevf_init_last_counter_stats(adapter);
+
/* print the MAC address */
hw_dbg(hw, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
netdev->dev_addr[0],