diff options
Diffstat (limited to 'lib/librte_eal/linuxapp/kni/kni_dev.h')
| -rw-r--r-- | lib/librte_eal/linuxapp/kni/kni_dev.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/lib/librte_eal/linuxapp/kni/kni_dev.h b/lib/librte_eal/linuxapp/kni/kni_dev.h new file mode 100644 index 00000000..a0e5cb6b --- /dev/null +++ b/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 |