New upstream version 17.11.1upstream/17.11.1

Change-Id: Ida1700b5dac8649fc563670a37278e636bea051c
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

5 files changed, 65 insertions, 1 deletions

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c
index 58f0123e..fb1a6226 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c
@@ -525,7 +525,7 @@ rte_vfio_enable(const char *modname)
 int
 rte_vfio_is_enabled(const char *modname)
 {
-	const int mod_available = rte_eal_check_module(modname);
+	const int mod_available = rte_eal_check_module(modname) > 0;
 	return vfio_cfg.vfio_enabled && mod_available;
 }
 
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
index 2ac879fd..794cd4f7 100644
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h
@@ -64,6 +64,7 @@
 #define RTE_STD_C11
 #else
 #include <rte_common.h>
+#include <rte_config.h>
 #endif
 
 /**
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index a3a98c17..1826adba 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -45,6 +45,8 @@ struct rte_uio_pci_dev {
 	struct uio_info info;
 	struct pci_dev *pdev;
 	enum rte_intr_mode mode;
+	struct mutex lock;
+	int refcnt;
 };
 
 static char *intr_mode;
@@ -336,11 +338,18 @@ igbuio_pci_open(struct uio_info *info, struct inode *inode)
 	struct pci_dev *dev = udev->pdev;
 	int err;
 
+	mutex_lock(&udev->lock);
+	if (++udev->refcnt > 1) {
+		mutex_unlock(&udev->lock);
+		return 0;
+	}
+
 	/* set bus master, which was cleared by the reset function */
 	pci_set_master(dev);
 
 	/* enable interrupts */
 	err = igbuio_pci_enable_interrupts(udev);
+	mutex_unlock(&udev->lock);
 	if (err) {
 		dev_err(&dev->dev, "Enable interrupt fails\n");
 		return err;
@@ -354,12 +363,19 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode)
 	struct rte_uio_pci_dev *udev = info->priv;
 	struct pci_dev *dev = udev->pdev;
 
+	mutex_lock(&udev->lock);
+	if (--udev->refcnt > 0) {
+		mutex_unlock(&udev->lock);
+		return 0;
+	}
+
 	/* disable interrupts */
 	igbuio_pci_disable_interrupts(udev);
 
 	/* stop the device from further DMA */
 	pci_clear_master(dev);
 
+	mutex_unlock(&udev->lock);
 	return 0;
 }
 
@@ -480,6 +496,7 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	if (!udev)
 		return -ENOMEM;
 
+	mutex_init(&udev->lock);
 	/*
 	 * enable device: ask low-level code to enable I/O and
 	 * memory
@@ -570,6 +587,7 @@ igbuio_pci_remove(struct pci_dev *dev)
 {
 	struct rte_uio_pci_dev *udev = pci_get_drvdata(dev);
 
+	mutex_destroy(&udev->lock);
 	sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
 	uio_unregister_device(&udev->info);
 	igbuio_pci_release_iomem(&udev->info);
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
index 99338c5c..e0f427a3 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
@@ -137,11 +137,20 @@ static void igb_clean_all_tx_rings(struct igb_adapter *);
 static void igb_clean_all_rx_rings(struct igb_adapter *);
 static void igb_clean_tx_ring(struct igb_ring *);
 static void igb_set_rx_mode(struct net_device *);
+#ifdef HAVE_TIMER_SETUP
+static void igb_update_phy_info(struct timer_list *);
+static void igb_watchdog(struct timer_list *);
+#else
 static void igb_update_phy_info(unsigned long);
 static void igb_watchdog(unsigned long);
+#endif
 static void igb_watchdog_task(struct work_struct *);
 static void igb_dma_err_task(struct work_struct *);
+#ifdef HAVE_TIMER_SETUP
+static void igb_dma_err_timer(struct timer_list *);
+#else
 static void igb_dma_err_timer(unsigned long data);
+#endif
 static netdev_tx_t igb_xmit_frame(struct sk_buff *skb, struct net_device *);
 static struct net_device_stats *igb_get_stats(struct net_device *);
 static int igb_change_mtu(struct net_device *, int);
@@ -2806,6 +2815,12 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	/* Check if Media Autosense is enabled */
 	if (hw->mac.type == e1000_82580)
 		igb_init_mas(adapter);
+#ifdef HAVE_TIMER_SETUP
+	timer_setup(&adapter->watchdog_timer, &igb_watchdog, 0);
+	if (adapter->flags & IGB_FLAG_DETECT_BAD_DMA)
+		timer_setup(&adapter->dma_err_timer, &igb_dma_err_timer, 0);
+	timer_setup(&adapter->phy_info_timer, &igb_update_phy_info, 0);
+#else
 	setup_timer(&adapter->watchdog_timer, &igb_watchdog,
 	            (unsigned long) adapter);
 	if (adapter->flags & IGB_FLAG_DETECT_BAD_DMA)
@@ -2813,6 +2828,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 			    (unsigned long) adapter);
 	setup_timer(&adapter->phy_info_timer, &igb_update_phy_info,
 	            (unsigned long) adapter);
+#endif
 
 	INIT_WORK(&adapter->reset_task, igb_reset_task);
 	INIT_WORK(&adapter->watchdog_task, igb_watchdog_task);
@@ -4543,9 +4559,15 @@ static void igb_spoof_check(struct igb_adapter *adapter)
 
 /* Need to wait a few seconds after link up to get diagnostic information from
  * the phy */
+#ifdef HAVE_TIMER_SETUP
+static void igb_update_phy_info(struct timer_list *t)
+{
+	struct igb_adapter *adapter = from_timer(adapter, t, phy_info_timer);
+#else
 static void igb_update_phy_info(unsigned long data)
 {
 	struct igb_adapter *adapter = (struct igb_adapter *) data;
+#endif
 	e1000_get_phy_info(&adapter->hw);
 }
 
@@ -4594,9 +4616,15 @@ bool igb_has_link(struct igb_adapter *adapter)
  * igb_watchdog - Timer Call-back
  * @data: pointer to adapter cast into an unsigned long
  **/
+#ifdef HAVE_TIMER_SETUP
+static void igb_watchdog(struct timer_list *t)
+{
+	struct igb_adapter *adapter = from_timer(adapter, t, watchdog_timer);
+#else
 static void igb_watchdog(unsigned long data)
 {
 	struct igb_adapter *adapter = (struct igb_adapter *)data;
+#endif
 	/* Do the rest outside of interrupt context */
 	schedule_work(&adapter->watchdog_task);
 }
@@ -4854,9 +4882,15 @@ dma_timer_reset:
  * igb_dma_err_timer - Timer Call-back
  * @data: pointer to adapter cast into an unsigned long
  **/
+#ifdef HAVE_TIMER_SETUP
+static void igb_dma_err_timer(struct timer_list *t)
+{
+	struct igb_adapter *adapter = from_timer(adapter, t, dma_err_timer);
+#else
 static void igb_dma_err_timer(unsigned long data)
 {
 	struct igb_adapter *adapter = (struct igb_adapter *)data;
+#endif
 	/* Do the rest outside of interrupt context */
 	schedule_work(&adapter->dma_err_task);
 }
@@ -10051,6 +10085,12 @@ int igb_kni_probe(struct pci_dev *pdev,
 		igb_init_mas(adapter);
 
 #ifdef NO_KNI
+#ifdef HAVE_TIMER_SETUP
+	timer_setup(&adapter->watchdog_timer, &igb_watchdog, 0);
+	if (adapter->flags & IGB_FLAG_DETECT_BAD_DMA)
+		timer_setup(&adapter->dma_err_timer, &igb_dma_err_timer, 0);
+	timer_setup(&adapter->phy_info_timer, &igb_update_phy_info, 0);
+#else
 	setup_timer(&adapter->watchdog_timer, &igb_watchdog,
 	            (unsigned long) adapter);
 	if (adapter->flags & IGB_FLAG_DETECT_BAD_DMA)
@@ -10058,6 +10098,7 @@ int igb_kni_probe(struct pci_dev *pdev,
 			    (unsigned long) adapter);
 	setup_timer(&adapter->phy_info_timer, &igb_update_phy_info,
 	            (unsigned long) adapter);
+#endif
 
 	INIT_WORK(&adapter->reset_task, igb_reset_task);
 	INIT_WORK(&adapter->watchdog_task, igb_watchdog_task);
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index e38a7561..443a3f28 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -3941,4 +3941,8 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
 #define HAVE_PCI_ENABLE_MSIX
 #endif
 
+#if defined(timer_setup) && defined(from_timer)
+#define HAVE_TIMER_SETUP
+#endif
+
 #endif /* _KCOMPAT_H_ */