dpdk0716 rc3

1 files changed, 149 insertions, 0 deletions

diff --git a/src/dpdk/lib/librte_eal/linuxapp/kni/kni_dev.h b/src/dpdk/lib/librte_eal/linuxapp/kni/kni_dev.h
new file mode 100644
index 00000000..a0e5cb6b
--- /dev/null
+++ b/src/dpdk/lib/librte_eal/linuxapp/kni/kni_dev.h
@@ -0,0 +1,149 @@
+/*-
+ * 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
+ */
+
+#ifndef _KNI_DEV_H_
+#define _KNI_DEV_H_
+
+#include <linux/if.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <linux/netdevice.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
+#ifdef RTE_KNI_VHOST
+#include <net/sock.h>
+#endif
+
+#include <exec-env/rte_kni_common.h>
+#define KNI_KTHREAD_RESCHEDULE_INTERVAL 5 /* us */
+
+/**
+ * A structure describing the private information for a kni device.
+ */
+
+struct kni_dev {
+	/* kni list */
+	struct list_head list;
+
+	struct net_device_stats stats;
+	int status;
+	uint16_t group_id;           /* Group ID of a group of KNI devices */
+	unsigned core_id;            /* Core ID to bind */
+	char name[RTE_KNI_NAMESIZE]; /* Network device name */
+	struct task_struct *pthread;
+
+	/* wait queue for req/resp */
+	wait_queue_head_t wq;
+	struct mutex sync_lock;
+
+	/* PCI device id */
+	uint16_t device_id;
+
+	/* kni device */
+	struct net_device *net_dev;
+	struct net_device *lad_dev;
+	struct pci_dev *pci_dev;
+
+	/* queue for packets to be sent out */
+	void *tx_q;
+
+	/* queue for the packets received */
+	void *rx_q;
+
+	/* queue for the allocated mbufs those can be used to save sk buffs */
+	void *alloc_q;
+
+	/* free queue for the mbufs to be freed */
+	void *free_q;
+
+	/* request queue */
+	void *req_q;
+
+	/* response queue */
+	void *resp_q;
+
+	void * sync_kva;
+	void *sync_va;
+
+	void *mbuf_kva;
+	void *mbuf_va;
+
+	/* mbuf size */
+	unsigned mbuf_size;
+
+	/* synchro for request processing */
+	unsigned long synchro;
+
+#ifdef RTE_KNI_VHOST
+	struct kni_vhost_queue* vhost_queue;
+	volatile enum {
+		BE_STOP = 0x1,
+		BE_START = 0x2,
+		BE_FINISH = 0x4,
+	}vq_status;
+#endif
+};
+
+#define KNI_ERR(args...) printk(KERN_DEBUG "KNI: Error: " args)
+#define KNI_PRINT(args...) printk(KERN_DEBUG "KNI: " args)
+#ifdef RTE_KNI_KO_DEBUG
+	#define KNI_DBG(args...) printk(KERN_DEBUG "KNI: " args)
+#else
+	#define KNI_DBG(args...)
+#endif
+
+#ifdef RTE_KNI_VHOST
+unsigned int
+kni_poll(struct file *file, struct socket *sock, poll_table * wait);
+int kni_chk_vhost_rx(struct kni_dev *kni);
+int kni_vhost_init(struct kni_dev *kni);
+int kni_vhost_backend_release(struct kni_dev *kni);
+
+struct kni_vhost_queue {
+	struct sock sk;
+	struct socket *sock;
+	int vnet_hdr_sz;
+	struct kni_dev *kni;
+	int sockfd;
+	unsigned int flags;
+	struct sk_buff* cache;
+	struct rte_kni_fifo* fifo;
+};
+
+#endif
+
+#ifdef RTE_KNI_VHOST_DEBUG_RX
+	#define KNI_DBG_RX(args...) printk(KERN_DEBUG "KNI RX: " args)
+#else
+	#define KNI_DBG_RX(args...)
+#endif
+
+#ifdef RTE_KNI_VHOST_DEBUG_TX
+	#define KNI_DBG_TX(args...) printk(KERN_DEBUG "KNI TX: " args)
+#else
+	#define KNI_DBG_TX(args...)
+#endif
+
+#endif