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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright (c) 2015 Quantenna Communications
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef QTNFMAC_BUS_H
#define QTNFMAC_BUS_H
#include <linux/netdevice.h>
#include <linux/workqueue.h>
#define QTNF_MAX_MAC 3
enum qtnf_fw_state {
QTNF_FW_STATE_RESET,
QTNF_FW_STATE_FW_DNLD_DONE,
QTNF_FW_STATE_BOOT_DONE,
QTNF_FW_STATE_ACTIVE,
QTNF_FW_STATE_DEAD,
};
struct qtnf_bus;
struct qtnf_bus_ops {
/* mgmt methods */
int (*preinit)(struct qtnf_bus *);
void (*stop)(struct qtnf_bus *);
/* control path methods */
int (*control_tx)(struct qtnf_bus *, struct sk_buff *);
/* data xfer methods */
int (*data_tx)(struct qtnf_bus *, struct sk_buff *);
void (*data_tx_timeout)(struct qtnf_bus *, struct net_device *);
void (*data_rx_start)(struct qtnf_bus *);
void (*data_rx_stop)(struct qtnf_bus *);
};
struct qtnf_bus {
struct device *dev;
enum qtnf_fw_state fw_state;
u32 chip;
u32 chiprev;
const struct qtnf_bus_ops *bus_ops;
struct qtnf_wmac *mac[QTNF_MAX_MAC];
struct qtnf_qlink_transport trans;
struct qtnf_hw_info hw_info;
char fwname[32];
struct napi_struct mux_napi;
struct net_device mux_dev;
struct completion request_firmware_complete;
struct workqueue_struct *workqueue;
struct work_struct event_work;
struct mutex bus_lock; /* lock during command/event processing */
struct dentry *dbg_dir;
/* bus private data */
char bus_priv[0] __aligned(sizeof(void *));
};
static inline void *get_bus_priv(struct qtnf_bus *bus)
{
if (WARN(!bus, "qtnfmac: invalid bus pointer"))
return NULL;
return &bus->bus_priv;
}
/* callback wrappers */
static inline int qtnf_bus_preinit(struct qtnf_bus *bus)
{
if (!bus->bus_ops->preinit)
return 0;
return bus->bus_ops->preinit(bus);
}
static inline void qtnf_bus_stop(struct qtnf_bus *bus)
{
if (!bus->bus_ops->stop)
return;
bus->bus_ops->stop(bus);
}
static inline int qtnf_bus_data_tx(struct qtnf_bus *bus, struct sk_buff *skb)
{
return bus->bus_ops->data_tx(bus, skb);
}
static inline void
qtnf_bus_data_tx_timeout(struct qtnf_bus *bus, struct net_device *ndev)
{
return bus->bus_ops->data_tx_timeout(bus, ndev);
}
static inline int qtnf_bus_control_tx(struct qtnf_bus *bus, struct sk_buff *skb)
{
return bus->bus_ops->control_tx(bus, skb);
}
static inline void qtnf_bus_data_rx_start(struct qtnf_bus *bus)
{
return bus->bus_ops->data_rx_start(bus);
}
static inline void qtnf_bus_data_rx_stop(struct qtnf_bus *bus)
{
return bus->bus_ops->data_rx_stop(bus);
}
static __always_inline void qtnf_bus_lock(struct qtnf_bus *bus)
{
mutex_lock(&bus->bus_lock);
}
static __always_inline void qtnf_bus_unlock(struct qtnf_bus *bus)
{
mutex_unlock(&bus->bus_lock);
}
/* interface functions from common layer */
void qtnf_rx_frame(struct device *dev, struct sk_buff *rxp);
int qtnf_core_attach(struct qtnf_bus *bus);
void qtnf_core_detach(struct qtnf_bus *bus);
void qtnf_txflowblock(struct device *dev, bool state);
void qtnf_txcomplete(struct device *dev, struct sk_buff *txp, bool success);
#endif /* QTNFMAC_BUS_H */
|
