blob: 6275ef27f45c6fda0d50f66a12bf11d6eb7233ed (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright(c) 2010-2014 Intel Corporation.
*/
#ifndef _KNI_DEV_H_
#define _KNI_DEV_H_
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "compat.h"
#include <linux/if.h>
#include <linux/wait.h>
#ifdef HAVE_SIGNAL_FUNCTIONS_OWN_HEADER
#include <linux/sched/signal.h>
#else
#include <linux/sched.h>
#endif
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <exec-env/rte_kni_common.h>
#define KNI_KTHREAD_RESCHEDULE_INTERVAL 5 /* us */
#define MBUF_BURST_SZ 32
/**
* 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 */
uint32_t 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 */
uint32_t mbuf_size;
/* synchro for request processing */
unsigned long synchro;
/* buffers */
void *pa[MBUF_BURST_SZ];
void *va[MBUF_BURST_SZ];
void *alloc_pa[MBUF_BURST_SZ];
void *alloc_va[MBUF_BURST_SZ];
};
void kni_net_release_fifo_phy(struct kni_dev *kni);
void kni_net_rx(struct kni_dev *kni);
void kni_net_init(struct net_device *dev);
void kni_net_config_lo_mode(char *lo_str);
void kni_net_poll_resp(struct kni_dev *kni);
void kni_set_ethtool_ops(struct net_device *netdev);
int ixgbe_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
void ixgbe_kni_remove(struct pci_dev *pdev);
int igb_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
void igb_kni_remove(struct pci_dev *pdev);
#endif
|
