Loading...
1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include "core.h"
19
20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/export.h>
23#include <linux/vmalloc.h>
24
25#include "debug.h"
26#include "hif-ops.h"
27#include "htc-ops.h"
28#include "cfg80211.h"
29
30unsigned int debug_mask;
31static unsigned int suspend_mode;
32static unsigned int wow_mode;
33static unsigned int uart_debug;
34static unsigned int uart_rate = 115200;
35static unsigned int ath6kl_p2p;
36static unsigned int testmode;
37static unsigned int recovery_enable;
38static unsigned int heart_beat_poll;
39
40module_param(debug_mask, uint, 0644);
41module_param(suspend_mode, uint, 0644);
42module_param(wow_mode, uint, 0644);
43module_param(uart_debug, uint, 0644);
44module_param(uart_rate, uint, 0644);
45module_param(ath6kl_p2p, uint, 0644);
46module_param(testmode, uint, 0644);
47module_param(recovery_enable, uint, 0644);
48module_param(heart_beat_poll, uint, 0644);
49MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
50MODULE_PARM_DESC(heart_beat_poll,
51 "Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective");
52
53
54void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
55{
56 ath6kl_htc_tx_complete(ar, skb);
57}
58EXPORT_SYMBOL(ath6kl_core_tx_complete);
59
60void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
61{
62 ath6kl_htc_rx_complete(ar, skb, pipe);
63}
64EXPORT_SYMBOL(ath6kl_core_rx_complete);
65
66int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
67{
68 struct ath6kl_bmi_target_info targ_info;
69 struct wireless_dev *wdev;
70 int ret = 0, i;
71
72 switch (htc_type) {
73 case ATH6KL_HTC_TYPE_MBOX:
74 ath6kl_htc_mbox_attach(ar);
75 break;
76 case ATH6KL_HTC_TYPE_PIPE:
77 ath6kl_htc_pipe_attach(ar);
78 break;
79 default:
80 WARN_ON(1);
81 return -ENOMEM;
82 }
83
84 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
85 if (!ar->ath6kl_wq)
86 return -ENOMEM;
87
88 ret = ath6kl_bmi_init(ar);
89 if (ret)
90 goto err_wq;
91
92 /*
93 * Turn on power to get hardware (target) version and leave power
94 * on delibrately as we will boot the hardware anyway within few
95 * seconds.
96 */
97 ret = ath6kl_hif_power_on(ar);
98 if (ret)
99 goto err_bmi_cleanup;
100
101 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
102 if (ret)
103 goto err_power_off;
104
105 ar->version.target_ver = le32_to_cpu(targ_info.version);
106 ar->target_type = le32_to_cpu(targ_info.type);
107 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
108
109 ret = ath6kl_init_hw_params(ar);
110 if (ret)
111 goto err_power_off;
112
113 ar->htc_target = ath6kl_htc_create(ar);
114
115 if (!ar->htc_target) {
116 ret = -ENOMEM;
117 goto err_power_off;
118 }
119
120 ar->testmode = testmode;
121
122 ret = ath6kl_init_fetch_firmwares(ar);
123 if (ret)
124 goto err_htc_cleanup;
125
126 /* FIXME: we should free all firmwares in the error cases below */
127
128 /*
129 * Backwards compatibility support for older ar6004 firmware images
130 * which do not set these feature flags.
131 */
132 if (ar->target_type == TARGET_TYPE_AR6004 &&
133 ar->fw_api <= 4) {
134 __set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
135 ar->fw_capabilities);
136 __set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
137 ar->fw_capabilities);
138
139 if (ar->hw.id == AR6004_HW_1_3_VERSION)
140 __set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
141 ar->fw_capabilities);
142 }
143
144 /* Indicate that WMI is enabled (although not ready yet) */
145 set_bit(WMI_ENABLED, &ar->flag);
146 ar->wmi = ath6kl_wmi_init(ar);
147 if (!ar->wmi) {
148 ath6kl_err("failed to initialize wmi\n");
149 ret = -EIO;
150 goto err_htc_cleanup;
151 }
152
153 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
154
155 /* setup access class priority mappings */
156 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
157 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
158 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
159 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
160
161 /* allocate some buffers that handle larger AMSDU frames */
162 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
163
164 ath6kl_cookie_init(ar);
165
166 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
167 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
168
169 if (suspend_mode &&
170 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
171 suspend_mode <= WLAN_POWER_STATE_WOW)
172 ar->suspend_mode = suspend_mode;
173 else
174 ar->suspend_mode = 0;
175
176 if (suspend_mode == WLAN_POWER_STATE_WOW &&
177 (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
178 wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
179 ar->wow_suspend_mode = wow_mode;
180 else
181 ar->wow_suspend_mode = 0;
182
183 if (uart_debug)
184 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
185 ar->hw.uarttx_rate = uart_rate;
186
187 set_bit(FIRST_BOOT, &ar->flag);
188
189 ath6kl_debug_init(ar);
190
191 ret = ath6kl_init_hw_start(ar);
192 if (ret) {
193 ath6kl_err("Failed to start hardware: %d\n", ret);
194 goto err_rxbuf_cleanup;
195 }
196
197 /* give our connected endpoints some buffers */
198 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
199 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
200
201 ret = ath6kl_cfg80211_init(ar);
202 if (ret)
203 goto err_rxbuf_cleanup;
204
205 ret = ath6kl_debug_init_fs(ar);
206 if (ret) {
207 wiphy_unregister(ar->wiphy);
208 goto err_rxbuf_cleanup;
209 }
210
211 for (i = 0; i < ar->vif_max; i++)
212 ar->avail_idx_map |= BIT(i);
213
214 rtnl_lock();
215 wiphy_lock(ar->wiphy);
216
217 /* Add an initial station interface */
218 wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM,
219 NL80211_IFTYPE_STATION, 0, INFRA_NETWORK);
220
221 wiphy_unlock(ar->wiphy);
222 rtnl_unlock();
223
224 if (!wdev) {
225 ath6kl_err("Failed to instantiate a network device\n");
226 ret = -ENOMEM;
227 wiphy_unregister(ar->wiphy);
228 goto err_rxbuf_cleanup;
229 }
230
231 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
232 __func__, wdev->netdev->name, wdev->netdev, ar);
233
234 ar->fw_recovery.enable = !!recovery_enable;
235 if (!ar->fw_recovery.enable)
236 return ret;
237
238 if (heart_beat_poll &&
239 test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
240 ar->fw_capabilities))
241 ar->fw_recovery.hb_poll = heart_beat_poll;
242
243 ath6kl_recovery_init(ar);
244
245 return ret;
246
247err_rxbuf_cleanup:
248 ath6kl_debug_cleanup(ar);
249 ath6kl_htc_flush_rx_buf(ar->htc_target);
250 ath6kl_cleanup_amsdu_rxbufs(ar);
251 ath6kl_wmi_shutdown(ar->wmi);
252 clear_bit(WMI_ENABLED, &ar->flag);
253 ar->wmi = NULL;
254err_htc_cleanup:
255 ath6kl_htc_cleanup(ar->htc_target);
256err_power_off:
257 ath6kl_hif_power_off(ar);
258err_bmi_cleanup:
259 ath6kl_bmi_cleanup(ar);
260err_wq:
261 destroy_workqueue(ar->ath6kl_wq);
262
263 return ret;
264}
265EXPORT_SYMBOL(ath6kl_core_init);
266
267struct ath6kl *ath6kl_core_create(struct device *dev)
268{
269 struct ath6kl *ar;
270 u8 ctr;
271
272 ar = ath6kl_cfg80211_create();
273 if (!ar)
274 return NULL;
275
276 ar->p2p = !!ath6kl_p2p;
277 ar->dev = dev;
278
279 ar->vif_max = 1;
280
281 ar->max_norm_iface = 1;
282
283 spin_lock_init(&ar->lock);
284 spin_lock_init(&ar->mcastpsq_lock);
285 spin_lock_init(&ar->list_lock);
286
287 init_waitqueue_head(&ar->event_wq);
288 sema_init(&ar->sem, 1);
289
290 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
291 INIT_LIST_HEAD(&ar->vif_list);
292
293 clear_bit(WMI_ENABLED, &ar->flag);
294 clear_bit(SKIP_SCAN, &ar->flag);
295 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
296
297 ar->tx_pwr = 0;
298 ar->intra_bss = 1;
299 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
300
301 ar->state = ATH6KL_STATE_OFF;
302
303 memset((u8 *)ar->sta_list, 0,
304 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
305
306 /* Init the PS queues */
307 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
308 spin_lock_init(&ar->sta_list[ctr].psq_lock);
309 skb_queue_head_init(&ar->sta_list[ctr].psq);
310 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
311 ar->sta_list[ctr].mgmt_psq_len = 0;
312 INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
313 ar->sta_list[ctr].aggr_conn =
314 kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
315 if (!ar->sta_list[ctr].aggr_conn) {
316 ath6kl_err("Failed to allocate memory for sta aggregation information\n");
317 ath6kl_core_destroy(ar);
318 return NULL;
319 }
320 }
321
322 skb_queue_head_init(&ar->mcastpsq);
323
324 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
325
326 return ar;
327}
328EXPORT_SYMBOL(ath6kl_core_create);
329
330void ath6kl_core_cleanup(struct ath6kl *ar)
331{
332 ath6kl_hif_power_off(ar);
333
334 ath6kl_recovery_cleanup(ar);
335
336 destroy_workqueue(ar->ath6kl_wq);
337
338 if (ar->htc_target)
339 ath6kl_htc_cleanup(ar->htc_target);
340
341 ath6kl_cookie_cleanup(ar);
342
343 ath6kl_cleanup_amsdu_rxbufs(ar);
344
345 ath6kl_bmi_cleanup(ar);
346
347 ath6kl_debug_cleanup(ar);
348
349 kfree(ar->fw_board);
350 kfree(ar->fw_otp);
351 vfree(ar->fw);
352 kfree(ar->fw_patch);
353 kfree(ar->fw_testscript);
354
355 ath6kl_cfg80211_cleanup(ar);
356}
357EXPORT_SYMBOL(ath6kl_core_cleanup);
358
359void ath6kl_core_destroy(struct ath6kl *ar)
360{
361 ath6kl_cfg80211_destroy(ar);
362}
363EXPORT_SYMBOL(ath6kl_core_destroy);
364
365MODULE_AUTHOR("Qualcomm Atheros");
366MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
367MODULE_LICENSE("Dual BSD/GPL");
1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include "core.h"
19
20#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/export.h>
23#include <linux/vmalloc.h>
24
25#include "debug.h"
26#include "hif-ops.h"
27#include "htc-ops.h"
28#include "cfg80211.h"
29
30unsigned int debug_mask;
31static unsigned int suspend_mode;
32static unsigned int wow_mode;
33static unsigned int uart_debug;
34static unsigned int ath6kl_p2p;
35static unsigned int testmode;
36static unsigned int recovery_enable;
37static unsigned int heart_beat_poll;
38
39module_param(debug_mask, uint, 0644);
40module_param(suspend_mode, uint, 0644);
41module_param(wow_mode, uint, 0644);
42module_param(uart_debug, uint, 0644);
43module_param(ath6kl_p2p, uint, 0644);
44module_param(testmode, uint, 0644);
45module_param(recovery_enable, uint, 0644);
46module_param(heart_beat_poll, uint, 0644);
47MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
48MODULE_PARM_DESC(heart_beat_poll,
49 "Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective");
50
51
52void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
53{
54 ath6kl_htc_tx_complete(ar, skb);
55}
56EXPORT_SYMBOL(ath6kl_core_tx_complete);
57
58void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
59{
60 ath6kl_htc_rx_complete(ar, skb, pipe);
61}
62EXPORT_SYMBOL(ath6kl_core_rx_complete);
63
64int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
65{
66 struct ath6kl_bmi_target_info targ_info;
67 struct wireless_dev *wdev;
68 int ret = 0, i;
69
70 switch (htc_type) {
71 case ATH6KL_HTC_TYPE_MBOX:
72 ath6kl_htc_mbox_attach(ar);
73 break;
74 case ATH6KL_HTC_TYPE_PIPE:
75 ath6kl_htc_pipe_attach(ar);
76 break;
77 default:
78 WARN_ON(1);
79 return -ENOMEM;
80 }
81
82 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
83 if (!ar->ath6kl_wq)
84 return -ENOMEM;
85
86 ret = ath6kl_bmi_init(ar);
87 if (ret)
88 goto err_wq;
89
90 /*
91 * Turn on power to get hardware (target) version and leave power
92 * on delibrately as we will boot the hardware anyway within few
93 * seconds.
94 */
95 ret = ath6kl_hif_power_on(ar);
96 if (ret)
97 goto err_bmi_cleanup;
98
99 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
100 if (ret)
101 goto err_power_off;
102
103 ar->version.target_ver = le32_to_cpu(targ_info.version);
104 ar->target_type = le32_to_cpu(targ_info.type);
105 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
106
107 ret = ath6kl_init_hw_params(ar);
108 if (ret)
109 goto err_power_off;
110
111 ar->htc_target = ath6kl_htc_create(ar);
112
113 if (!ar->htc_target) {
114 ret = -ENOMEM;
115 goto err_power_off;
116 }
117
118 ar->testmode = testmode;
119
120 ret = ath6kl_init_fetch_firmwares(ar);
121 if (ret)
122 goto err_htc_cleanup;
123
124 /* FIXME: we should free all firmwares in the error cases below */
125
126 /*
127 * Backwards compatibility support for older ar6004 firmware images
128 * which do not set these feature flags.
129 */
130 if (ar->target_type == TARGET_TYPE_AR6004 &&
131 ar->fw_api <= 4) {
132 __set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
133 ar->fw_capabilities);
134 __set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
135 ar->fw_capabilities);
136
137 if (ar->hw.id == AR6004_HW_1_3_VERSION)
138 __set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
139 ar->fw_capabilities);
140 }
141
142 /* Indicate that WMI is enabled (although not ready yet) */
143 set_bit(WMI_ENABLED, &ar->flag);
144 ar->wmi = ath6kl_wmi_init(ar);
145 if (!ar->wmi) {
146 ath6kl_err("failed to initialize wmi\n");
147 ret = -EIO;
148 goto err_htc_cleanup;
149 }
150
151 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
152
153 /* setup access class priority mappings */
154 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
155 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
156 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
157 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
158
159 /* allocate some buffers that handle larger AMSDU frames */
160 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
161
162 ath6kl_cookie_init(ar);
163
164 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
165 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
166
167 if (suspend_mode &&
168 suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
169 suspend_mode <= WLAN_POWER_STATE_WOW)
170 ar->suspend_mode = suspend_mode;
171 else
172 ar->suspend_mode = 0;
173
174 if (suspend_mode == WLAN_POWER_STATE_WOW &&
175 (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
176 wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
177 ar->wow_suspend_mode = wow_mode;
178 else
179 ar->wow_suspend_mode = 0;
180
181 if (uart_debug)
182 ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
183
184 set_bit(FIRST_BOOT, &ar->flag);
185
186 ath6kl_debug_init(ar);
187
188 ret = ath6kl_init_hw_start(ar);
189 if (ret) {
190 ath6kl_err("Failed to start hardware: %d\n", ret);
191 goto err_rxbuf_cleanup;
192 }
193
194 /* give our connected endpoints some buffers */
195 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
196 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
197
198 ret = ath6kl_cfg80211_init(ar);
199 if (ret)
200 goto err_rxbuf_cleanup;
201
202 ret = ath6kl_debug_init_fs(ar);
203 if (ret) {
204 wiphy_unregister(ar->wiphy);
205 goto err_rxbuf_cleanup;
206 }
207
208 for (i = 0; i < ar->vif_max; i++)
209 ar->avail_idx_map |= BIT(i);
210
211 rtnl_lock();
212
213 /* Add an initial station interface */
214 wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM,
215 NL80211_IFTYPE_STATION, 0, INFRA_NETWORK);
216
217 rtnl_unlock();
218
219 if (!wdev) {
220 ath6kl_err("Failed to instantiate a network device\n");
221 ret = -ENOMEM;
222 wiphy_unregister(ar->wiphy);
223 goto err_rxbuf_cleanup;
224 }
225
226 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
227 __func__, wdev->netdev->name, wdev->netdev, ar);
228
229 ar->fw_recovery.enable = !!recovery_enable;
230 if (!ar->fw_recovery.enable)
231 return ret;
232
233 if (heart_beat_poll &&
234 test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
235 ar->fw_capabilities))
236 ar->fw_recovery.hb_poll = heart_beat_poll;
237
238 ath6kl_recovery_init(ar);
239
240 return ret;
241
242err_rxbuf_cleanup:
243 ath6kl_debug_cleanup(ar);
244 ath6kl_htc_flush_rx_buf(ar->htc_target);
245 ath6kl_cleanup_amsdu_rxbufs(ar);
246 ath6kl_wmi_shutdown(ar->wmi);
247 clear_bit(WMI_ENABLED, &ar->flag);
248 ar->wmi = NULL;
249err_htc_cleanup:
250 ath6kl_htc_cleanup(ar->htc_target);
251err_power_off:
252 ath6kl_hif_power_off(ar);
253err_bmi_cleanup:
254 ath6kl_bmi_cleanup(ar);
255err_wq:
256 destroy_workqueue(ar->ath6kl_wq);
257
258 return ret;
259}
260EXPORT_SYMBOL(ath6kl_core_init);
261
262struct ath6kl *ath6kl_core_create(struct device *dev)
263{
264 struct ath6kl *ar;
265 u8 ctr;
266
267 ar = ath6kl_cfg80211_create();
268 if (!ar)
269 return NULL;
270
271 ar->p2p = !!ath6kl_p2p;
272 ar->dev = dev;
273
274 ar->vif_max = 1;
275
276 ar->max_norm_iface = 1;
277
278 spin_lock_init(&ar->lock);
279 spin_lock_init(&ar->mcastpsq_lock);
280 spin_lock_init(&ar->list_lock);
281
282 init_waitqueue_head(&ar->event_wq);
283 sema_init(&ar->sem, 1);
284
285 INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
286 INIT_LIST_HEAD(&ar->vif_list);
287
288 clear_bit(WMI_ENABLED, &ar->flag);
289 clear_bit(SKIP_SCAN, &ar->flag);
290 clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
291
292 ar->tx_pwr = 0;
293 ar->intra_bss = 1;
294 ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
295
296 ar->state = ATH6KL_STATE_OFF;
297
298 memset((u8 *)ar->sta_list, 0,
299 AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
300
301 /* Init the PS queues */
302 for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
303 spin_lock_init(&ar->sta_list[ctr].psq_lock);
304 skb_queue_head_init(&ar->sta_list[ctr].psq);
305 skb_queue_head_init(&ar->sta_list[ctr].apsdq);
306 ar->sta_list[ctr].mgmt_psq_len = 0;
307 INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
308 ar->sta_list[ctr].aggr_conn =
309 kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
310 if (!ar->sta_list[ctr].aggr_conn) {
311 ath6kl_err("Failed to allocate memory for sta aggregation information\n");
312 ath6kl_core_destroy(ar);
313 return NULL;
314 }
315 }
316
317 skb_queue_head_init(&ar->mcastpsq);
318
319 memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
320
321 return ar;
322}
323EXPORT_SYMBOL(ath6kl_core_create);
324
325void ath6kl_core_cleanup(struct ath6kl *ar)
326{
327 ath6kl_hif_power_off(ar);
328
329 ath6kl_recovery_cleanup(ar);
330
331 destroy_workqueue(ar->ath6kl_wq);
332
333 if (ar->htc_target)
334 ath6kl_htc_cleanup(ar->htc_target);
335
336 ath6kl_cookie_cleanup(ar);
337
338 ath6kl_cleanup_amsdu_rxbufs(ar);
339
340 ath6kl_bmi_cleanup(ar);
341
342 ath6kl_debug_cleanup(ar);
343
344 kfree(ar->fw_board);
345 kfree(ar->fw_otp);
346 vfree(ar->fw);
347 kfree(ar->fw_patch);
348 kfree(ar->fw_testscript);
349
350 ath6kl_cfg80211_cleanup(ar);
351}
352EXPORT_SYMBOL(ath6kl_core_cleanup);
353
354void ath6kl_core_destroy(struct ath6kl *ar)
355{
356 ath6kl_cfg80211_destroy(ar);
357}
358EXPORT_SYMBOL(ath6kl_core_destroy);
359
360MODULE_AUTHOR("Qualcomm Atheros");
361MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
362MODULE_LICENSE("Dual BSD/GPL");