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path: root/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c87
1 files changed, 50 insertions, 37 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 4c8e19951d57..e51d552410ae 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
- Copyright(c) 1999 - 2010 Intel Corporation.
+ Copyright(c) 1999 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -29,6 +29,9 @@
/******************************************************************************
Copyright (c)2006 - 2007 Myricom, Inc. for some LRO specific code
******************************************************************************/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/module.h>
@@ -50,14 +53,14 @@
#include "ixgbevf.h"
-char ixgbevf_driver_name[] = "ixgbevf";
+const char ixgbevf_driver_name[] = "ixgbevf";
static const char ixgbevf_driver_string[] =
"Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver";
#define DRV_VERSION "2.2.0-k"
const char ixgbevf_driver_version[] = DRV_VERSION;
static char ixgbevf_copyright[] =
- "Copyright (c) 2009 - 2010 Intel Corporation.";
+ "Copyright (c) 2009 - 2012 Intel Corporation.";
static const struct ixgbevf_info *ixgbevf_info_tbl[] = {
[board_82599_vf] = &ixgbevf_82599_vf_info,
@@ -363,7 +366,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_adapter *adapter,
if (!bi->page_dma &&
(adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)) {
if (!bi->page) {
- bi->page = netdev_alloc_page(adapter->netdev);
+ bi->page = alloc_page(GFP_ATOMIC | __GFP_COLD);
if (!bi->page) {
adapter->alloc_rx_page_failed++;
goto no_buffers;
@@ -914,32 +917,39 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
struct ixgbe_hw *hw = &adapter->hw;
u32 eicr;
u32 msg;
+ bool got_ack = false;
eicr = IXGBE_READ_REG(hw, IXGBE_VTEICS);
IXGBE_WRITE_REG(hw, IXGBE_VTEICR, eicr);
- if (!hw->mbx.ops.check_for_ack(hw)) {
+ if (!hw->mbx.ops.check_for_ack(hw))
+ got_ack = true;
+
+ if (!hw->mbx.ops.check_for_msg(hw)) {
+ hw->mbx.ops.read(hw, &msg, 1);
+
+ if ((msg & IXGBE_MBVFICR_VFREQ_MASK) == IXGBE_PF_CONTROL_MSG)
+ mod_timer(&adapter->watchdog_timer,
+ round_jiffies(jiffies + 1));
+
+ if (msg & IXGBE_VT_MSGTYPE_NACK)
+ pr_warn("Last Request of type %2.2x to PF Nacked\n",
+ msg & 0xFF);
/*
- * checking for the ack clears the PFACK bit. Place
- * it back in the v2p_mailbox cache so that anyone
- * polling for an ack will not miss it. Also
- * avoid the read below because the code to read
- * the mailbox will also clear the ack bit. This was
- * causing lost acks. Just cache the bit and exit
- * the IRQ handler.
+ * Restore the PFSTS bit in case someone is polling for a
+ * return message from the PF
*/
- hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFACK;
- goto out;
+ hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFSTS;
}
- /* Not an ack interrupt, go ahead and read the message */
- hw->mbx.ops.read(hw, &msg, 1);
-
- if ((msg & IXGBE_MBVFICR_VFREQ_MASK) == IXGBE_PF_CONTROL_MSG)
- mod_timer(&adapter->watchdog_timer,
- round_jiffies(jiffies + 1));
+ /*
+ * checking for the ack clears the PFACK bit. Place
+ * it back in the v2p_mailbox cache so that anyone
+ * polling for an ack will not miss it
+ */
+ if (got_ack)
+ hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFACK;
-out:
return IRQ_HANDLED;
}
@@ -1400,7 +1410,7 @@ static void ixgbevf_configure_rx(struct ixgbevf_adapter *adapter)
}
}
-static void ixgbevf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int ixgbevf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
@@ -1409,9 +1419,11 @@ static void ixgbevf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
if (hw->mac.ops.set_vfta)
hw->mac.ops.set_vfta(hw, vid, 0, true);
set_bit(vid, adapter->active_vlans);
+
+ return 0;
}
-static void ixgbevf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int ixgbevf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
@@ -1420,6 +1432,8 @@ static void ixgbevf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
if (hw->mac.ops.set_vfta)
hw->mac.ops.set_vfta(hw, vid, 0, false);
clear_bit(vid, adapter->active_vlans);
+
+ return 0;
}
static void ixgbevf_restore_vlan(struct ixgbevf_adapter *adapter)
@@ -1437,7 +1451,7 @@ static int ixgbevf_write_uc_addr_list(struct net_device *netdev)
int count = 0;
if ((netdev_uc_count(netdev)) > 10) {
- printk(KERN_ERR "Too many unicast filters - No Space\n");
+ pr_err("Too many unicast filters - No Space\n");
return -ENOSPC;
}
@@ -2135,7 +2149,7 @@ static int ixgbevf_init_interrupt_scheme(struct ixgbevf_adapter *adapter)
err = ixgbevf_alloc_queues(adapter);
if (err) {
- printk(KERN_ERR "Unable to allocate memory for queues\n");
+ pr_err("Unable to allocate memory for queues\n");
goto err_alloc_queues;
}
@@ -2189,7 +2203,7 @@ static int __devinit ixgbevf_sw_init(struct ixgbevf_adapter *adapter)
} else {
err = hw->mac.ops.init_hw(hw);
if (err) {
- printk(KERN_ERR "init_shared_code failed: %d\n", err);
+ pr_err("init_shared_code failed: %d\n", err);
goto out;
}
}
@@ -2630,8 +2644,8 @@ static int ixgbevf_open(struct net_device *netdev)
* the vf can't start. */
if (hw->adapter_stopped) {
err = IXGBE_ERR_MBX;
- printk(KERN_ERR "Unable to start - perhaps the PF"
- " Driver isn't up yet\n");
+ pr_err("Unable to start - perhaps the PF Driver isn't "
+ "up yet\n");
goto err_setup_reset;
}
}
@@ -2842,10 +2856,8 @@ static bool ixgbevf_tx_csum(struct ixgbevf_adapter *adapter,
break;
default:
if (unlikely(net_ratelimit())) {
- printk(KERN_WARNING
- "partial checksum but "
- "proto=%x!\n",
- skb->protocol);
+ pr_warn("partial checksum but "
+ "proto=%x!\n", skb->protocol);
}
break;
}
@@ -3249,7 +3261,8 @@ static struct rtnl_link_stats64 *ixgbevf_get_stats(struct net_device *netdev,
return stats;
}
-static int ixgbevf_set_features(struct net_device *netdev, u32 features)
+static int ixgbevf_set_features(struct net_device *netdev,
+ netdev_features_t features)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
@@ -3414,7 +3427,7 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
if (!is_valid_ether_addr(netdev->dev_addr)) {
- printk(KERN_ERR "invalid MAC address\n");
+ pr_err("invalid MAC address\n");
err = -EIO;
goto err_sw_init;
}
@@ -3535,10 +3548,10 @@ static struct pci_driver ixgbevf_driver = {
static int __init ixgbevf_init_module(void)
{
int ret;
- printk(KERN_INFO "ixgbevf: %s - version %s\n", ixgbevf_driver_string,
- ixgbevf_driver_version);
+ pr_info("%s - version %s\n", ixgbevf_driver_string,
+ ixgbevf_driver_version);
- printk(KERN_INFO "%s\n", ixgbevf_copyright);
+ pr_info("%s\n", ixgbevf_copyright);
ret = pci_register_driver(&ixgbevf_driver);
return ret;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.