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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Common private data for Silicon Labs WFx chips.
*
* Copyright (c) 2017-2020, Silicon Laboratories, Inc.
* Copyright (c) 2010, ST-Ericsson
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
*/
#ifndef WFX_H
#define WFX_H
#include <linux/completion.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <linux/nospec.h>
#include <net/mac80211.h>
#include "bh.h"
#include "data_tx.h"
#include "main.h"
#include "queue.h"
#include "hif_tx.h"
#define USEC_PER_TXOP 32 // see struct ieee80211_tx_queue_params
#define USEC_PER_TU 1024
struct hwbus_ops;
struct wfx_dev {
struct wfx_platform_data pdata;
struct device *dev;
struct ieee80211_hw *hw;
struct ieee80211_vif *vif[2];
struct mac_address addresses[2];
const struct hwbus_ops *hwbus_ops;
void *hwbus_priv;
u8 keyset;
struct completion firmware_ready;
struct hif_ind_startup hw_caps;
struct wfx_hif hif;
struct delayed_work cooling_timeout_work;
bool poll_irq;
bool chip_frozen;
struct mutex conf_mutex;
struct wfx_hif_cmd hif_cmd;
struct sk_buff_head tx_pending;
wait_queue_head_t tx_dequeue;
atomic_t tx_lock;
atomic_t packet_id;
u32 key_map;
struct hif_rx_stats rx_stats;
struct mutex rx_stats_lock;
struct hif_tx_power_loop_info tx_power_loop_info;
struct mutex tx_power_loop_info_lock;
int force_ps_timeout;
};
struct wfx_vif {
struct wfx_dev *wdev;
struct ieee80211_vif *vif;
struct ieee80211_channel *channel;
int id;
u32 link_id_map;
bool after_dtim_tx_allowed;
bool join_in_progress;
struct delayed_work beacon_loss_work;
struct wfx_queue tx_queue[4];
struct tx_policy_cache tx_policy_cache;
struct work_struct tx_policy_upload_work;
struct work_struct update_tim_work;
unsigned long uapsd_mask;
/* avoid some operations in parallel with scan */
struct mutex scan_lock;
struct work_struct scan_work;
struct completion scan_complete;
bool scan_abort;
struct ieee80211_scan_request *scan_req;
struct completion set_pm_mode_complete;
};
static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id)
{
if (vif_id >= ARRAY_SIZE(wdev->vif)) {
dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id);
return NULL;
}
vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif));
if (!wdev->vif[vif_id]) {
dev_dbg(wdev->dev, "requesting non-allocated vif: %d\n",
vif_id);
return NULL;
}
return (struct wfx_vif *) wdev->vif[vif_id]->drv_priv;
}
static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev,
struct wfx_vif *cur)
{
int i;
int mark = 0;
struct wfx_vif *tmp;
if (!cur)
mark = 1;
for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
tmp = wdev_to_wvif(wdev, i);
if (mark && tmp)
return tmp;
if (tmp == cur)
mark = 1;
}
return NULL;
}
static inline int wvif_count(struct wfx_dev *wdev)
{
int i;
int ret = 0;
struct wfx_vif *wvif;
for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
wvif = wdev_to_wvif(wdev, i);
if (wvif)
ret++;
}
return ret;
}
static inline void memreverse(u8 *src, u8 length)
{
u8 *lo = src;
u8 *hi = src + length - 1;
u8 swap;
while (lo < hi) {
swap = *lo;
*lo++ = *hi;
*hi-- = swap;
}
}
static inline int memzcmp(void *src, unsigned int size)
{
u8 *buf = src;
if (!size)
return 0;
if (*buf)
return 1;
return memcmp(buf, buf + 1, size - 1);
}
#endif /* WFX_H */
|
