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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
*
* 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 _WCN36XX_H_
#define _WCN36XX_H_
#include <linux/completion.h>
#include <linux/printk.h>
#include <linux/spinlock.h>
#include <net/mac80211.h>
#include "hal.h"
#include "smd.h"
#include "txrx.h"
#include "dxe.h"
#include "pmc.h"
#include "debug.h"
#define WLAN_NV_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin"
#define WCN36XX_AGGR_BUFFER_SIZE 64
/* How many frames until we start a-mpdu TX session */
#define WCN36XX_AMPDU_START_THRESH 20
extern unsigned int wcn36xx_dbg_mask;
enum wcn36xx_debug_mask {
WCN36XX_DBG_DXE = 0x00000001,
WCN36XX_DBG_DXE_DUMP = 0x00000002,
WCN36XX_DBG_SMD = 0x00000004,
WCN36XX_DBG_SMD_DUMP = 0x00000008,
WCN36XX_DBG_RX = 0x00000010,
WCN36XX_DBG_RX_DUMP = 0x00000020,
WCN36XX_DBG_TX = 0x00000040,
WCN36XX_DBG_TX_DUMP = 0x00000080,
WCN36XX_DBG_HAL = 0x00000100,
WCN36XX_DBG_HAL_DUMP = 0x00000200,
WCN36XX_DBG_MAC = 0x00000400,
WCN36XX_DBG_BEACON = 0x00000800,
WCN36XX_DBG_BEACON_DUMP = 0x00001000,
WCN36XX_DBG_PMC = 0x00002000,
WCN36XX_DBG_PMC_DUMP = 0x00004000,
WCN36XX_DBG_ANY = 0xffffffff,
};
#define wcn36xx_err(fmt, arg...) \
printk(KERN_ERR pr_fmt("ERROR " fmt), ##arg)
#define wcn36xx_warn(fmt, arg...) \
printk(KERN_WARNING pr_fmt("WARNING " fmt), ##arg)
#define wcn36xx_info(fmt, arg...) \
printk(KERN_INFO pr_fmt(fmt), ##arg)
#define wcn36xx_dbg(mask, fmt, arg...) do { \
if (wcn36xx_dbg_mask & mask) \
printk(KERN_DEBUG pr_fmt(fmt), ##arg); \
} while (0)
#define wcn36xx_dbg_dump(mask, prefix_str, buf, len) do { \
if (wcn36xx_dbg_mask & mask) \
print_hex_dump(KERN_DEBUG, pr_fmt(prefix_str), \
DUMP_PREFIX_OFFSET, 32, 1, \
buf, len, false); \
} while (0)
enum wcn36xx_ampdu_state {
WCN36XX_AMPDU_NONE,
WCN36XX_AMPDU_INIT,
WCN36XX_AMPDU_START,
WCN36XX_AMPDU_OPERATIONAL,
};
#define WCN36XX_HW_CHANNEL(__wcn) (__wcn->hw->conf.chandef.chan->hw_value)
#define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band)
#define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq)
#define WCN36XX_LISTEN_INTERVAL(__wcn) (__wcn->hw->conf.listen_interval)
#define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags)
#define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power)
static inline void buff_to_be(u32 *buf, size_t len)
{
int i;
for (i = 0; i < len; i++)
buf[i] = cpu_to_be32(buf[i]);
}
struct nv_data {
int is_valid;
u8 table;
};
/* Interface for platform control path
*
* @open: hook must be called when wcn36xx wants to open control channel.
* @tx: sends a buffer.
*/
struct wcn36xx_platform_ctrl_ops {
int (*open)(void *drv_priv, void *rsp_cb);
void (*close)(void);
int (*tx)(char *buf, size_t len);
int (*get_hw_mac)(u8 *addr);
int (*smsm_change_state)(u32 clear_mask, u32 set_mask);
};
/**
* struct wcn36xx_vif - holds VIF related fields
*
* @bss_index: bss_index is initially set to 0xFF. bss_index is received from
* HW after first config_bss call and must be used in delete_bss and
* enter/exit_bmps.
*/
struct wcn36xx_vif {
struct list_head list;
u8 dtim_period;
enum ani_ed_type encrypt_type;
bool is_joining;
bool sta_assoc;
struct wcn36xx_hal_mac_ssid ssid;
/* Power management */
enum wcn36xx_power_state pw_state;
u8 bss_index;
/* Returned from WCN36XX_HAL_ADD_STA_SELF_RSP */
u8 self_sta_index;
u8 self_dpu_desc_index;
u8 self_ucast_dpu_sign;
};
/**
* struct wcn36xx_sta - holds STA related fields
*
* @tid: traffic ID that is used during AMPDU and in TX BD.
* @sta_index: STA index is returned from HW after config_sta call and is
* used in both SMD channel and TX BD.
* @dpu_desc_index: DPU descriptor index is returned from HW after config_sta
* call and is used in TX BD.
* @bss_sta_index: STA index is returned from HW after config_bss call and is
* used in both SMD channel and TX BD. See table bellow when it is used.
* @bss_dpu_desc_index: DPU descriptor index is returned from HW after
* config_bss call and is used in TX BD.
* ______________________________________________
* | | STA | AP |
* |______________|_____________|_______________|
* | TX BD |bss_sta_index| sta_index |
* |______________|_____________|_______________|
* |all SMD calls |bss_sta_index| sta_index |
* |______________|_____________|_______________|
* |smd_delete_sta| sta_index | sta_index |
* |______________|_____________|_______________|
*/
struct wcn36xx_sta {
struct wcn36xx_vif *vif;
u16 aid;
u16 tid;
u8 sta_index;
u8 dpu_desc_index;
u8 ucast_dpu_sign;
u8 bss_sta_index;
u8 bss_dpu_desc_index;
bool is_data_encrypted;
/* Rates */
struct wcn36xx_hal_supported_rates supported_rates;
spinlock_t ampdu_lock; /* protects next two fields */
enum wcn36xx_ampdu_state ampdu_state[16];
int non_agg_frame_ct;
};
struct wcn36xx_dxe_ch;
struct wcn36xx {
struct ieee80211_hw *hw;
struct device *dev;
struct list_head vif_list;
const struct firmware *nv;
u8 fw_revision;
u8 fw_version;
u8 fw_minor;
u8 fw_major;
u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
bool is_pronto;
/* extra byte for the NULL termination */
u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
u8 wlan_version[WCN36XX_HAL_VERSION_LENGTH + 1];
/* IRQs */
int tx_irq;
int rx_irq;
void __iomem *ccu_base;
void __iomem *dxe_base;
struct wcn36xx_platform_ctrl_ops *ctrl_ops;
/*
* smd_buf must be protected with smd_mutex to garantee
* that all messages are sent one after another
*/
u8 *hal_buf;
size_t hal_rsp_len;
struct mutex hal_mutex;
struct completion hal_rsp_compl;
struct workqueue_struct *hal_ind_wq;
struct work_struct hal_ind_work;
spinlock_t hal_ind_lock;
struct list_head hal_ind_queue;
/* DXE channels */
struct wcn36xx_dxe_ch dxe_tx_l_ch; /* TX low */
struct wcn36xx_dxe_ch dxe_tx_h_ch; /* TX high */
struct wcn36xx_dxe_ch dxe_rx_l_ch; /* RX low */
struct wcn36xx_dxe_ch dxe_rx_h_ch; /* RX high */
/* For synchronization of DXE resources from BH, IRQ and WQ contexts */
spinlock_t dxe_lock;
bool queues_stopped;
/* Memory pools */
struct wcn36xx_dxe_mem_pool mgmt_mem_pool;
struct wcn36xx_dxe_mem_pool data_mem_pool;
struct sk_buff *tx_ack_skb;
#ifdef CONFIG_WCN36XX_DEBUGFS
/* Debug file system entry */
struct wcn36xx_dfs_entry dfs;
#endif /* CONFIG_WCN36XX_DEBUGFS */
};
static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn,
u8 major,
u8 minor,
u8 version,
u8 revision)
{
return (wcn->fw_major == major &&
wcn->fw_minor == minor &&
wcn->fw_version == version &&
wcn->fw_revision == revision);
}
void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates);
static inline
struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv)
{
return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv);
}
static inline
struct wcn36xx_vif *wcn36xx_vif_to_priv(struct ieee80211_vif *vif)
{
return (struct wcn36xx_vif *) vif->drv_priv;
}
static inline
struct ieee80211_vif *wcn36xx_priv_to_vif(struct wcn36xx_vif *vif_priv)
{
return container_of((void *) vif_priv, struct ieee80211_vif, drv_priv);
}
static inline
struct wcn36xx_sta *wcn36xx_sta_to_priv(struct ieee80211_sta *sta)
{
return (struct wcn36xx_sta *)sta->drv_priv;
}
#endif /* _WCN36XX_H_ */
|
