1 files changed, 0 insertions, 606 deletions

diff --git a/src/dpdk_lib18/librte_eal/linuxapp/kni/kni_misc.c b/src/dpdk_lib18/librte_eal/linuxapp/kni/kni_misc.c
deleted file mode 100755
index 868b3254..00000000
--- a/src/dpdk_lib18/librte_eal/linuxapp/kni/kni_misc.c
+++ /dev/null
@@ -1,606 +0,0 @@
-/*-
- * GPL LICENSE SUMMARY
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *   General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *   The full GNU General Public License is included in this distribution
- *   in the file called LICENSE.GPL.
- *
- *   Contact Information:
- *   Intel Corporation
- */
-
-#include <linux/module.h>
-#include <linux/miscdevice.h>
-#include <linux/netdevice.h>
-#include <linux/pci.h>
-#include <linux/kthread.h>
-#include <linux/rwsem.h>
-
-#include <exec-env/rte_kni_common.h>
-#include "kni_dev.h"
-#include <rte_config.h>
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Intel Corporation");
-MODULE_DESCRIPTION("Kernel Module for managing kni devices");
-
-#define KNI_RX_LOOP_NUM 1000
-
-#define KNI_MAX_DEVICES 32
-
-extern void kni_net_rx(struct kni_dev *kni);
-extern void kni_net_init(struct net_device *dev);
-extern void kni_net_config_lo_mode(char *lo_str);
-extern void kni_net_poll_resp(struct kni_dev *kni);
-extern void kni_set_ethtool_ops(struct net_device *netdev);
-
-extern int ixgbe_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
-extern void ixgbe_kni_remove(struct pci_dev *pdev);
-extern int igb_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
-extern void igb_kni_remove(struct pci_dev *pdev);
-
-static int kni_open(struct inode *inode, struct file *file);
-static int kni_release(struct inode *inode, struct file *file);
-static int kni_ioctl(struct inode *inode, unsigned int ioctl_num,
-					unsigned long ioctl_param);
-static int kni_compat_ioctl(struct inode *inode, unsigned int ioctl_num,
-						unsigned long ioctl_param);
-static int kni_dev_remove(struct kni_dev *dev);
-
-static int __init kni_parse_kthread_mode(void);
-
-/* KNI processing for single kernel thread mode */
-static int kni_thread_single(void *unused);
-/* KNI processing for multiple kernel thread mode */
-static int kni_thread_multiple(void *param);
-
-static struct file_operations kni_fops = {
-	.owner = THIS_MODULE,
-	.open = kni_open,
-	.release = kni_release,
-	.unlocked_ioctl = (void *)kni_ioctl,
-	.compat_ioctl = (void *)kni_compat_ioctl,
-};
-
-static struct miscdevice kni_misc = {
-	.minor = MISC_DYNAMIC_MINOR,
-	.name = KNI_DEVICE,
-	.fops = &kni_fops,
-};
-
-/* loopback mode */
-static char *lo_mode = NULL;
-
-/* Kernel thread mode */
-static char *kthread_mode = NULL;
-static unsigned multiple_kthread_on = 0;
-
-#define KNI_DEV_IN_USE_BIT_NUM 0 /* Bit number for device in use */
-
-static volatile unsigned long device_in_use; /* device in use flag */
-static struct task_struct *kni_kthread;
-
-/* kni list lock */
-static DECLARE_RWSEM(kni_list_lock);
-
-/* kni list */
-static struct list_head kni_list_head = LIST_HEAD_INIT(kni_list_head);
-
-static int __init
-kni_init(void)
-{
-	KNI_PRINT("######## DPDK kni module loading ########\n");
-
-	if (kni_parse_kthread_mode() < 0) {
-		KNI_ERR("Invalid parameter for kthread_mode\n");
-		return -EINVAL;
-	}
-
-	if (misc_register(&kni_misc) != 0) {
-		KNI_ERR("Misc registration failed\n");
-		return -EPERM;
-	}
-
-	/* Clear the bit of device in use */
-	clear_bit(KNI_DEV_IN_USE_BIT_NUM, &device_in_use);
-
-	/* Configure the lo mode according to the input parameter */
-	kni_net_config_lo_mode(lo_mode);
-
-	KNI_PRINT("######## DPDK kni module loaded  ########\n");
-
-	return 0;
-}
-
-static void __exit
-kni_exit(void)
-{
-	misc_deregister(&kni_misc);
-	KNI_PRINT("####### DPDK kni module unloaded  #######\n");
-}
-
-static int __init
-kni_parse_kthread_mode(void)
-{
-	if (!kthread_mode)
-		return 0;
-
-	if (strcmp(kthread_mode, "single") == 0)
-		return 0;
-	else if (strcmp(kthread_mode, "multiple") == 0)
-		multiple_kthread_on = 1;
-	else
-		return -1;
-
-	return 0;
-}
-
-static int
-kni_open(struct inode *inode, struct file *file)
-{
-	/* kni device can be opened by one user only, test and set bit */
-	if (test_and_set_bit(KNI_DEV_IN_USE_BIT_NUM, &device_in_use))
-		return -EBUSY;
-
-	/* Create kernel thread for single mode */
-	if (multiple_kthread_on == 0) {
-		KNI_PRINT("Single kernel thread for all KNI devices\n");
-		/* Create kernel thread for RX */
-		kni_kthread = kthread_run(kni_thread_single, NULL,
-						"kni_single");
-		if (IS_ERR(kni_kthread)) {
-			KNI_ERR("Unable to create kernel threaed\n");
-			return PTR_ERR(kni_kthread);
-		}
-	} else
-		KNI_PRINT("Multiple kernel thread mode enabled\n");
-
-	KNI_PRINT("/dev/kni opened\n");
-
-	return 0;
-}
-
-static int
-kni_release(struct inode *inode, struct file *file)
-{
-	struct kni_dev *dev, *n;
-
-	/* Stop kernel thread for single mode */
-	if (multiple_kthread_on == 0) {
-		/* Stop kernel thread */
-		kthread_stop(kni_kthread);
-		kni_kthread = NULL;
-	}
-
-	down_write(&kni_list_lock);
-	list_for_each_entry_safe(dev, n, &kni_list_head, list) {
-		/* Stop kernel thread for multiple mode */
-		if (multiple_kthread_on && dev->pthread != NULL) {
-			kthread_stop(dev->pthread);
-			dev->pthread = NULL;
-		}
-
-#ifdef RTE_KNI_VHOST
-		kni_vhost_backend_release(dev);
-#endif
-		kni_dev_remove(dev);
-		list_del(&dev->list);
-	}
-	up_write(&kni_list_lock);
-
-	/* Clear the bit of device in use */
-	clear_bit(KNI_DEV_IN_USE_BIT_NUM, &device_in_use);
-
-	KNI_PRINT("/dev/kni closed\n");
-
-	return 0;
-}
-
-static int
-kni_thread_single(void *unused)
-{
-	int j;
-	struct kni_dev *dev, *n;
-
-	while (!kthread_should_stop()) {
-		down_read(&kni_list_lock);
-		for (j = 0; j < KNI_RX_LOOP_NUM; j++) {
-			list_for_each_entry_safe(dev, n,
-					&kni_list_head, list) {
-#ifdef RTE_KNI_VHOST
-				kni_chk_vhost_rx(dev);
-#else
-				kni_net_rx(dev);
-#endif
-				kni_net_poll_resp(dev);
-			}
-		}
-		up_read(&kni_list_lock);
-		/* reschedule out for a while */
-		schedule_timeout_interruptible(usecs_to_jiffies( \
-				KNI_KTHREAD_RESCHEDULE_INTERVAL));
-	}
-
-	return 0;
-}
-
-static int
-kni_thread_multiple(void *param)
-{
-	int j;
-	struct kni_dev *dev = (struct kni_dev *)param;
-
-	while (!kthread_should_stop()) {
-		for (j = 0; j < KNI_RX_LOOP_NUM; j++) {
-#ifdef RTE_KNI_VHOST
-			kni_chk_vhost_rx(dev);
-#else
-			kni_net_rx(dev);
-#endif
-			kni_net_poll_resp(dev);
-		}
-		schedule_timeout_interruptible(usecs_to_jiffies( \
-				KNI_KTHREAD_RESCHEDULE_INTERVAL));
-	}
-
-	return 0;
-}
-
-static int
-kni_dev_remove(struct kni_dev *dev)
-{
-	if (!dev)
-		return -ENODEV;
-
-	switch (dev->device_id) {
-	#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) case (dev):
-	#include <rte_pci_dev_ids.h>
-		igb_kni_remove(dev->pci_dev);
-		break;
-	#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) case (dev):
-	#include <rte_pci_dev_ids.h>
-		ixgbe_kni_remove(dev->pci_dev);
-		break;
-	default:
-		break;
-	}
-
-	if (dev->net_dev) {
-		unregister_netdev(dev->net_dev);
-		free_netdev(dev->net_dev);
-	}
-
-	return 0;
-}
-
-static int
-kni_check_param(struct kni_dev *kni, struct rte_kni_device_info *dev)
-{
-	if (!kni || !dev)
-		return -1;
-
-	/* Check if network name has been used */
-	if (!strncmp(kni->name, dev->name, RTE_KNI_NAMESIZE)) {
-		KNI_ERR("KNI name %s duplicated\n", dev->name);
-		return -1;
-	}
-
-	return 0;
-}
-
-static int
-kni_ioctl_create(unsigned int ioctl_num, unsigned long ioctl_param)
-{
-	int ret;
-	struct rte_kni_device_info dev_info;
-	struct pci_dev *pci = NULL;
-	struct pci_dev *found_pci = NULL;
-	struct net_device *net_dev = NULL;
-	struct net_device *lad_dev = NULL;
-	struct kni_dev *kni, *dev, *n;
-	struct net *net;
-
-	printk(KERN_INFO "KNI: Creating kni...\n");
-	/* Check the buffer size, to avoid warning */
-	if (_IOC_SIZE(ioctl_num) > sizeof(dev_info))
-		return -EINVAL;
-
-	/* Copy kni info from user space */
-	ret = copy_from_user(&dev_info, (void *)ioctl_param, sizeof(dev_info));
-	if (ret) {
-		KNI_ERR("copy_from_user in kni_ioctl_create");
-		return -EIO;
-	}
-
-	/**
-	 * Check if the cpu core id is valid for binding,
-	 * for multiple kernel thread mode.
-	 */
-	if (multiple_kthread_on && dev_info.force_bind &&
-				!cpu_online(dev_info.core_id)) {
-		KNI_ERR("cpu %u is not online\n", dev_info.core_id);
-		return -EINVAL;
-	}
-
-	/* Check if it has been created */
-	down_read(&kni_list_lock);
-	list_for_each_entry_safe(dev, n, &kni_list_head, list) {
-		if (kni_check_param(dev, &dev_info) < 0) {
-			up_read(&kni_list_lock);
-			return -EINVAL;
-		}
-	}
-	up_read(&kni_list_lock);
-
-	net_dev = alloc_netdev(sizeof(struct kni_dev), dev_info.name,
-#ifdef NET_NAME_UNKNOWN
-							NET_NAME_UNKNOWN,
-#endif
-							kni_net_init);
-	if (net_dev == NULL) {
-		KNI_ERR("error allocating device \"%s\"\n", dev_info.name);
-		return -EBUSY;
-	}
-
-	net = get_net_ns_by_pid(current->pid);
-	if (IS_ERR(net)) {
-		free_netdev(net_dev);
-		return PTR_ERR(net);
-	}
-	dev_net_set(net_dev, net);
-	put_net(net);
-
-	kni = netdev_priv(net_dev);
-
-	kni->net_dev = net_dev;
-	kni->group_id = dev_info.group_id;
-	kni->core_id = dev_info.core_id;
-	strncpy(kni->name, dev_info.name, RTE_KNI_NAMESIZE);
-
-	/* Translate user space info into kernel space info */
-	kni->tx_q = phys_to_virt(dev_info.tx_phys);
-	kni->rx_q = phys_to_virt(dev_info.rx_phys);
-	kni->alloc_q = phys_to_virt(dev_info.alloc_phys);
-	kni->free_q = phys_to_virt(dev_info.free_phys);
-
-	kni->req_q = phys_to_virt(dev_info.req_phys);
-	kni->resp_q = phys_to_virt(dev_info.resp_phys);
-	kni->sync_va = dev_info.sync_va;
-	kni->sync_kva = phys_to_virt(dev_info.sync_phys);
-
-	kni->mbuf_kva = phys_to_virt(dev_info.mbuf_phys);
-	kni->mbuf_va = dev_info.mbuf_va;
-
-#ifdef RTE_KNI_VHOST
-	kni->vhost_queue = NULL;
-	kni->vq_status = BE_STOP;
-#endif
-	kni->mbuf_size = dev_info.mbuf_size;
-
-	KNI_PRINT("tx_phys:      0x%016llx, tx_q addr:      0x%p\n",
-		(unsigned long long) dev_info.tx_phys, kni->tx_q);
-	KNI_PRINT("rx_phys:      0x%016llx, rx_q addr:      0x%p\n",
-		(unsigned long long) dev_info.rx_phys, kni->rx_q);
-	KNI_PRINT("alloc_phys:   0x%016llx, alloc_q addr:   0x%p\n",
-		(unsigned long long) dev_info.alloc_phys, kni->alloc_q);
-	KNI_PRINT("free_phys:    0x%016llx, free_q addr:    0x%p\n",
-		(unsigned long long) dev_info.free_phys, kni->free_q);
-	KNI_PRINT("req_phys:     0x%016llx, req_q addr:     0x%p\n",
-		(unsigned long long) dev_info.req_phys, kni->req_q);
-	KNI_PRINT("resp_phys:    0x%016llx, resp_q addr:    0x%p\n",
-		(unsigned long long) dev_info.resp_phys, kni->resp_q);
-	KNI_PRINT("mbuf_phys:    0x%016llx, mbuf_kva:       0x%p\n",
-		(unsigned long long) dev_info.mbuf_phys, kni->mbuf_kva);
-	KNI_PRINT("mbuf_va:      0x%p\n", dev_info.mbuf_va);
-	KNI_PRINT("mbuf_size:    %u\n", kni->mbuf_size);
-
-	KNI_DBG("PCI: %02x:%02x.%02x %04x:%04x\n",
-					dev_info.bus,
-					dev_info.devid,
-					dev_info.function,
-					dev_info.vendor_id,
-					dev_info.device_id);
-
-	pci = pci_get_device(dev_info.vendor_id, dev_info.device_id, NULL);
-
-	/* Support Ethtool */
-	while (pci) {
-		KNI_PRINT("pci_bus: %02x:%02x:%02x \n",
-					pci->bus->number,
-					PCI_SLOT(pci->devfn),
-					PCI_FUNC(pci->devfn));
-
-		if ((pci->bus->number == dev_info.bus) &&
-			(PCI_SLOT(pci->devfn) == dev_info.devid) &&
-			(PCI_FUNC(pci->devfn) == dev_info.function)) {
-			found_pci = pci;
-			switch (dev_info.device_id) {
-			#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) case (dev):
-			#include <rte_pci_dev_ids.h>
-				ret = igb_kni_probe(found_pci, &lad_dev);
-				break;
-			#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) \
-							case (dev):
-			#include <rte_pci_dev_ids.h>
-				ret = ixgbe_kni_probe(found_pci, &lad_dev);
-				break;
-			default:
-				ret = -1;
-				break;
-			}
-
-			KNI_DBG("PCI found: pci=0x%p, lad_dev=0x%p\n",
-							pci, lad_dev);
-			if (ret == 0) {
-				kni->lad_dev = lad_dev;
-				kni_set_ethtool_ops(kni->net_dev);
-			} else {
-				KNI_ERR("Device not supported by ethtool");
-				kni->lad_dev = NULL;
-			}
-
-			kni->pci_dev = found_pci;
-			kni->device_id = dev_info.device_id;
-			break;
-		}
-		pci = pci_get_device(dev_info.vendor_id,
-				dev_info.device_id, pci);
-	}
-	if (pci)
-		pci_dev_put(pci);
-
-	ret = register_netdev(net_dev);
-	if (ret) {
-		KNI_ERR("error %i registering device \"%s\"\n",
-					ret, dev_info.name);
-		kni_dev_remove(kni);
-		return -ENODEV;
-	}
-
-#ifdef RTE_KNI_VHOST
-	kni_vhost_init(kni);
-#endif
-
-	/**
-	 * Create a new kernel thread for multiple mode, set its core affinity,
-	 * and finally wake it up.
-	 */
-	if (multiple_kthread_on) {
-		kni->pthread = kthread_create(kni_thread_multiple,
-					      (void *)kni,
-					      "kni_%s", kni->name);
-		if (IS_ERR(kni->pthread)) {
-			kni_dev_remove(kni);
-			return -ECANCELED;
-		}
-		if (dev_info.force_bind)
-			kthread_bind(kni->pthread, kni->core_id);
-		wake_up_process(kni->pthread);
-	}
-
-	down_write(&kni_list_lock);
-	list_add(&kni->list, &kni_list_head);
-	up_write(&kni_list_lock);
-
-	return 0;
-}
-
-static int
-kni_ioctl_release(unsigned int ioctl_num, unsigned long ioctl_param)
-{
-	int ret = -EINVAL;
-	struct kni_dev *dev, *n;
-	struct rte_kni_device_info dev_info;
-
-	if (_IOC_SIZE(ioctl_num) > sizeof(dev_info))
-			return -EINVAL;
-
-	ret = copy_from_user(&dev_info, (void *)ioctl_param, sizeof(dev_info));
-	if (ret) {
-		KNI_ERR("copy_from_user in kni_ioctl_release");
-		return -EIO;
-	}
-
-	/* Release the network device according to its name */
-	if (strlen(dev_info.name) == 0)
-		return ret;
-
-	down_write(&kni_list_lock);
-	list_for_each_entry_safe(dev, n, &kni_list_head, list) {
-		if (strncmp(dev->name, dev_info.name, RTE_KNI_NAMESIZE) != 0)
-			continue;
-
-		if (multiple_kthread_on && dev->pthread != NULL) {
-			kthread_stop(dev->pthread);
-			dev->pthread = NULL;
-		}
-
-#ifdef RTE_KNI_VHOST
-		kni_vhost_backend_release(dev);
-#endif
-		kni_dev_remove(dev);
-		list_del(&dev->list);
-		ret = 0;
-		break;
-	}
-	up_write(&kni_list_lock);
-	printk(KERN_INFO "KNI: %s release kni named %s\n",
-		(ret == 0 ? "Successfully" : "Unsuccessfully"), dev_info.name);
-
-	return ret;
-}
-
-static int
-kni_ioctl(struct inode *inode,
-	unsigned int ioctl_num,
-	unsigned long ioctl_param)
-{
-	int ret = -EINVAL;
-
-	KNI_DBG("IOCTL num=0x%0x param=0x%0lx \n", ioctl_num, ioctl_param);
-
-	/*
-	 * Switch according to the ioctl called
-	 */
-	switch (_IOC_NR(ioctl_num)) {
-	case _IOC_NR(RTE_KNI_IOCTL_TEST):
-		/* For test only, not used */
-		break;
-	case _IOC_NR(RTE_KNI_IOCTL_CREATE):
-		ret = kni_ioctl_create(ioctl_num, ioctl_param);
-		break;
-	case _IOC_NR(RTE_KNI_IOCTL_RELEASE):
-		ret = kni_ioctl_release(ioctl_num, ioctl_param);
-		break;
-	default:
-		KNI_DBG("IOCTL default \n");
-		break;
-	}
-
-	return ret;
-}
-
-static int
-kni_compat_ioctl(struct inode *inode,
-		unsigned int ioctl_num,
-		unsigned long ioctl_param)
-{
-	/* 32 bits app on 64 bits OS to be supported later */
-	KNI_PRINT("Not implemented.\n");
-
-	return -EINVAL;
-}
-
-module_init(kni_init);
-module_exit(kni_exit);
-
-module_param(lo_mode, charp, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(lo_mode,
-"KNI loopback mode (default=lo_mode_none):\n"
-"    lo_mode_none        Kernel loopback disabled\n"
-"    lo_mode_fifo        Enable kernel loopback with fifo\n"
-"    lo_mode_fifo_skb    Enable kernel loopback with fifo and skb buffer\n"
-"\n"
-);
-
-module_param(kthread_mode, charp, S_IRUGO);
-MODULE_PARM_DESC(kthread_mode,
-"Kernel thread mode (default=single):\n"
-"    single    Single kernel thread mode enabled.\n"
-"    multiple  Multiple kernel thread mode enabled.\n"
-"\n"
-);
-