Commit | Line | Data |
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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: HW/FW Initialization | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
5e6e3a92 BZ |
5 | * |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include "decl.h" | |
21 | #include "ioctl.h" | |
22 | #include "util.h" | |
23 | #include "fw.h" | |
24 | #include "main.h" | |
25 | #include "wmm.h" | |
26 | #include "11n.h" | |
27 | ||
28 | /* | |
29 | * This function adds a BSS priority table to the table list. | |
30 | * | |
31 | * The function allocates a new BSS priority table node and adds it to | |
32 | * the end of BSS priority table list, kept in driver memory. | |
33 | */ | |
34 | static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv) | |
35 | { | |
36 | struct mwifiex_adapter *adapter = priv->adapter; | |
37 | struct mwifiex_bss_prio_node *bss_prio; | |
931f1584 | 38 | struct mwifiex_bss_prio_tbl *tbl = adapter->bss_prio_tbl; |
5e6e3a92 BZ |
39 | unsigned long flags; |
40 | ||
41 | bss_prio = kzalloc(sizeof(struct mwifiex_bss_prio_node), GFP_KERNEL); | |
0d2e7a5c | 42 | if (!bss_prio) |
b53575ec | 43 | return -ENOMEM; |
5e6e3a92 BZ |
44 | |
45 | bss_prio->priv = priv; | |
46 | INIT_LIST_HEAD(&bss_prio->list); | |
931f1584 YAP |
47 | |
48 | spin_lock_irqsave(&tbl[priv->bss_priority].bss_prio_lock, flags); | |
49 | list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head); | |
50 | spin_unlock_irqrestore(&tbl[priv->bss_priority].bss_prio_lock, flags); | |
5e6e3a92 | 51 | |
600f5d90 | 52 | return 0; |
5e6e3a92 BZ |
53 | } |
54 | ||
4636187d AK |
55 | static void wakeup_timer_fn(unsigned long data) |
56 | { | |
57 | struct mwifiex_adapter *adapter = (struct mwifiex_adapter *)data; | |
58 | ||
59 | dev_err(adapter->dev, "Firmware wakeup failed\n"); | |
60 | adapter->hw_status = MWIFIEX_HW_STATUS_RESET; | |
61 | mwifiex_cancel_all_pending_cmd(adapter); | |
62 | ||
63 | if (adapter->if_ops.card_reset) | |
64 | adapter->if_ops.card_reset(adapter); | |
65 | } | |
66 | ||
5e6e3a92 BZ |
67 | /* |
68 | * This function initializes the private structure and sets default | |
69 | * values to the members. | |
70 | * | |
71 | * Additionally, it also initializes all the locks and sets up all the | |
72 | * lists. | |
73 | */ | |
9197ab9e | 74 | int mwifiex_init_priv(struct mwifiex_private *priv) |
5e6e3a92 BZ |
75 | { |
76 | u32 i; | |
5e6e3a92 BZ |
77 | |
78 | priv->media_connected = false; | |
79 | memset(priv->curr_addr, 0xff, ETH_ALEN); | |
80 | ||
81 | priv->pkt_tx_ctrl = 0; | |
93a1df48 | 82 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
5e6e3a92 BZ |
83 | priv->data_rate = 0; /* Initially indicate the rate as auto */ |
84 | priv->is_data_rate_auto = true; | |
85 | priv->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR; | |
86 | priv->data_avg_factor = DEFAULT_DATA_AVG_FACTOR; | |
87 | ||
5eb02e44 | 88 | priv->sec_info.wep_enabled = 0; |
f986b6d5 | 89 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
2be50b8d | 90 | priv->sec_info.encryption_mode = 0; |
5e6e3a92 BZ |
91 | for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++) |
92 | memset(&priv->wep_key[i], 0, sizeof(struct mwifiex_wep_key)); | |
93 | priv->wep_key_curr_index = 0; | |
94 | priv->curr_pkt_filter = HostCmd_ACT_MAC_RX_ON | HostCmd_ACT_MAC_TX_ON | | |
95 | HostCmd_ACT_MAC_ETHERNETII_ENABLE; | |
96 | ||
97 | priv->beacon_period = 100; /* beacon interval */ ; | |
98 | priv->attempted_bss_desc = NULL; | |
99 | memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params)); | |
100 | priv->listen_interval = MWIFIEX_DEFAULT_LISTEN_INTERVAL; | |
101 | ||
102 | memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid)); | |
103 | memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid)); | |
104 | memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf)); | |
105 | priv->assoc_rsp_size = 0; | |
106 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
107 | priv->atim_window = 0; | |
108 | priv->adhoc_state = ADHOC_IDLE; | |
109 | priv->tx_power_level = 0; | |
110 | priv->max_tx_power_level = 0; | |
111 | priv->min_tx_power_level = 0; | |
112 | priv->tx_rate = 0; | |
113 | priv->rxpd_htinfo = 0; | |
114 | priv->rxpd_rate = 0; | |
115 | priv->rate_bitmap = 0; | |
116 | priv->data_rssi_last = 0; | |
117 | priv->data_rssi_avg = 0; | |
118 | priv->data_nf_avg = 0; | |
119 | priv->data_nf_last = 0; | |
120 | priv->bcn_rssi_last = 0; | |
121 | priv->bcn_rssi_avg = 0; | |
122 | priv->bcn_nf_avg = 0; | |
123 | priv->bcn_nf_last = 0; | |
124 | memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie)); | |
125 | memset(&priv->aes_key, 0, sizeof(priv->aes_key)); | |
126 | priv->wpa_ie_len = 0; | |
127 | priv->wpa_is_gtk_set = false; | |
128 | ||
129 | memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf)); | |
130 | priv->assoc_tlv_buf_len = 0; | |
131 | memset(&priv->wps, 0, sizeof(priv->wps)); | |
132 | memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf)); | |
133 | priv->gen_ie_buf_len = 0; | |
134 | memset(priv->vs_ie, 0, sizeof(priv->vs_ie)); | |
135 | ||
136 | priv->wmm_required = true; | |
137 | priv->wmm_enabled = false; | |
138 | priv->wmm_qosinfo = 0; | |
139 | priv->curr_bcn_buf = NULL; | |
140 | priv->curr_bcn_size = 0; | |
13d7ba78 AP |
141 | priv->wps_ie = NULL; |
142 | priv->wps_ie_len = 0; | |
c8258913 | 143 | priv->ap_11n_enabled = 0; |
7feb4c48 | 144 | memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg)); |
5e6e3a92 BZ |
145 | |
146 | priv->scan_block = false; | |
147 | ||
b887664d AK |
148 | priv->csa_chan = 0; |
149 | priv->csa_expire_time = 0; | |
61c87304 | 150 | priv->del_list_idx = 0; |
587b36d3 | 151 | priv->hs2_enabled = false; |
9927baa3 | 152 | priv->check_tdls_tx = false; |
41a24a29 | 153 | memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, MAX_NUM_TID); |
b887664d | 154 | |
636c4598 | 155 | return mwifiex_add_bss_prio_tbl(priv); |
5e6e3a92 BZ |
156 | } |
157 | ||
158 | /* | |
159 | * This function allocates buffers for members of the adapter | |
160 | * structure. | |
161 | * | |
162 | * The memory allocated includes scan table, command buffers, and | |
163 | * sleep confirm command buffer. In addition, the queues are | |
164 | * also initialized. | |
165 | */ | |
166 | static int mwifiex_allocate_adapter(struct mwifiex_adapter *adapter) | |
167 | { | |
270e58e8 | 168 | int ret; |
5e6e3a92 BZ |
169 | |
170 | /* Allocate command buffer */ | |
171 | ret = mwifiex_alloc_cmd_buffer(adapter); | |
172 | if (ret) { | |
173 | dev_err(adapter->dev, "%s: failed to alloc cmd buffer\n", | |
931f1584 | 174 | __func__); |
5e6e3a92 BZ |
175 | return -1; |
176 | } | |
177 | ||
178 | adapter->sleep_cfm = | |
7cc5eb62 | 179 | dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) |
931f1584 | 180 | + INTF_HEADER_LEN); |
5e6e3a92 BZ |
181 | |
182 | if (!adapter->sleep_cfm) { | |
183 | dev_err(adapter->dev, "%s: failed to alloc sleep cfm" | |
184 | " cmd buffer\n", __func__); | |
185 | return -1; | |
186 | } | |
187 | skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN); | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
192 | /* | |
193 | * This function initializes the adapter structure and sets default | |
194 | * values to the members of adapter. | |
195 | * | |
196 | * This also initializes the WMM related parameters in the driver private | |
197 | * structures. | |
198 | */ | |
199 | static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) | |
200 | { | |
7cc5eb62 | 201 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL; |
5e6e3a92 | 202 | |
7cc5eb62 | 203 | skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm)); |
5e6e3a92 BZ |
204 | |
205 | adapter->cmd_sent = false; | |
d930faee | 206 | |
4daffe35 | 207 | if (adapter->iface_type == MWIFIEX_SDIO) |
d930faee | 208 | adapter->data_sent = true; |
4daffe35 AK |
209 | else |
210 | adapter->data_sent = false; | |
d930faee | 211 | |
5e6e3a92 BZ |
212 | adapter->cmd_resp_received = false; |
213 | adapter->event_received = false; | |
214 | adapter->data_received = false; | |
215 | ||
216 | adapter->surprise_removed = false; | |
217 | ||
218 | adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING; | |
219 | ||
220 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
221 | adapter->ps_state = PS_STATE_AWAKE; | |
222 | adapter->need_to_wakeup = false; | |
223 | ||
224 | adapter->scan_mode = HostCmd_BSS_MODE_ANY; | |
225 | adapter->specific_scan_time = MWIFIEX_SPECIFIC_SCAN_CHAN_TIME; | |
226 | adapter->active_scan_time = MWIFIEX_ACTIVE_SCAN_CHAN_TIME; | |
227 | adapter->passive_scan_time = MWIFIEX_PASSIVE_SCAN_CHAN_TIME; | |
cb91be87 | 228 | adapter->scan_chan_gap_time = MWIFIEX_DEF_SCAN_CHAN_GAP_TIME; |
5e6e3a92 | 229 | |
5e6e3a92 BZ |
230 | adapter->scan_probes = 1; |
231 | ||
5e6e3a92 BZ |
232 | adapter->multiple_dtim = 1; |
233 | ||
234 | adapter->local_listen_interval = 0; /* default value in firmware | |
235 | will be used */ | |
236 | ||
237 | adapter->is_deep_sleep = false; | |
238 | ||
239 | adapter->delay_null_pkt = false; | |
240 | adapter->delay_to_ps = 1000; | |
241 | adapter->enhanced_ps_mode = PS_MODE_AUTO; | |
242 | ||
243 | adapter->gen_null_pkt = false; /* Disable NULL Pkg generation by | |
244 | default */ | |
245 | adapter->pps_uapsd_mode = false; /* Disable pps/uapsd mode by | |
246 | default */ | |
247 | adapter->pm_wakeup_card_req = false; | |
248 | ||
249 | adapter->pm_wakeup_fw_try = false; | |
250 | ||
5e6e3a92 BZ |
251 | adapter->curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; |
252 | ||
253 | adapter->is_hs_configured = false; | |
cc0b5a64 AK |
254 | adapter->hs_cfg.conditions = cpu_to_le32(HS_CFG_COND_DEF); |
255 | adapter->hs_cfg.gpio = HS_CFG_GPIO_DEF; | |
256 | adapter->hs_cfg.gap = HS_CFG_GAP_DEF; | |
5e6e3a92 BZ |
257 | adapter->hs_activated = false; |
258 | ||
259 | memset(adapter->event_body, 0, sizeof(adapter->event_body)); | |
260 | adapter->hw_dot_11n_dev_cap = 0; | |
261 | adapter->hw_dev_mcs_support = 0; | |
21c3ba34 | 262 | adapter->sec_chan_offset = 0; |
5e6e3a92 BZ |
263 | adapter->adhoc_11n_enabled = false; |
264 | ||
265 | mwifiex_wmm_init(adapter); | |
266 | ||
267 | if (adapter->sleep_cfm) { | |
8ed13033 YAP |
268 | sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *) |
269 | adapter->sleep_cfm->data; | |
7cc5eb62 AK |
270 | memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len); |
271 | sleep_cfm_buf->command = | |
272 | cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
273 | sleep_cfm_buf->size = | |
274 | cpu_to_le16(adapter->sleep_cfm->len); | |
275 | sleep_cfm_buf->result = 0; | |
276 | sleep_cfm_buf->action = cpu_to_le16(SLEEP_CONFIRM); | |
277 | sleep_cfm_buf->resp_ctrl = cpu_to_le16(RESP_NEEDED); | |
5e6e3a92 BZ |
278 | } |
279 | memset(&adapter->sleep_params, 0, sizeof(adapter->sleep_params)); | |
280 | memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period)); | |
281 | adapter->tx_lock_flag = false; | |
282 | adapter->null_pkt_interval = 0; | |
283 | adapter->fw_bands = 0; | |
284 | adapter->config_bands = 0; | |
285 | adapter->adhoc_start_band = 0; | |
286 | adapter->scan_channels = NULL; | |
287 | adapter->fw_release_number = 0; | |
288 | adapter->fw_cap_info = 0; | |
289 | memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf)); | |
290 | adapter->event_cause = 0; | |
291 | adapter->region_code = 0; | |
292 | adapter->bcn_miss_time_out = DEFAULT_BCN_MISS_TIMEOUT; | |
293 | adapter->adhoc_awake_period = 0; | |
294 | memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter)); | |
295 | adapter->arp_filter_size = 0; | |
ede98bfa | 296 | adapter->max_mgmt_ie_index = MAX_MGMT_IE_INDEX; |
1fe192d8 | 297 | adapter->ext_scan = false; |
4b9fede5 AK |
298 | adapter->key_api_major_ver = 0; |
299 | adapter->key_api_minor_ver = 0; | |
8d05eb22 | 300 | memset(adapter->perm_addr, 0xff, ETH_ALEN); |
cf052335 AP |
301 | adapter->iface_limit.sta_intf = MWIFIEX_MAX_STA_NUM; |
302 | adapter->iface_limit.uap_intf = MWIFIEX_MAX_UAP_NUM; | |
303 | adapter->iface_limit.p2p_intf = MWIFIEX_MAX_P2P_NUM; | |
4636187d AK |
304 | |
305 | setup_timer(&adapter->wakeup_timer, wakeup_timer_fn, | |
306 | (unsigned long)adapter); | |
5e6e3a92 BZ |
307 | } |
308 | ||
bbea3bc4 AP |
309 | /* |
310 | * This function sets trans_start per tx_queue | |
311 | */ | |
312 | void mwifiex_set_trans_start(struct net_device *dev) | |
313 | { | |
314 | int i; | |
315 | ||
316 | for (i = 0; i < dev->num_tx_queues; i++) | |
317 | netdev_get_tx_queue(dev, i)->trans_start = jiffies; | |
318 | ||
319 | dev->trans_start = jiffies; | |
320 | } | |
321 | ||
322 | /* | |
323 | * This function wakes up all queues in net_device | |
324 | */ | |
325 | void mwifiex_wake_up_net_dev_queue(struct net_device *netdev, | |
326 | struct mwifiex_adapter *adapter) | |
327 | { | |
328 | unsigned long dev_queue_flags; | |
47411a06 | 329 | unsigned int i; |
bbea3bc4 AP |
330 | |
331 | spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags); | |
47411a06 AP |
332 | |
333 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
334 | struct netdev_queue *txq = netdev_get_tx_queue(netdev, i); | |
335 | ||
336 | if (netif_tx_queue_stopped(txq)) | |
337 | netif_tx_wake_queue(txq); | |
338 | } | |
339 | ||
bbea3bc4 AP |
340 | spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags); |
341 | } | |
342 | ||
343 | /* | |
344 | * This function stops all queues in net_device | |
345 | */ | |
346 | void mwifiex_stop_net_dev_queue(struct net_device *netdev, | |
347 | struct mwifiex_adapter *adapter) | |
348 | { | |
349 | unsigned long dev_queue_flags; | |
47411a06 | 350 | unsigned int i; |
bbea3bc4 AP |
351 | |
352 | spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags); | |
47411a06 AP |
353 | |
354 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
355 | struct netdev_queue *txq = netdev_get_tx_queue(netdev, i); | |
356 | ||
357 | if (!netif_tx_queue_stopped(txq)) | |
358 | netif_tx_stop_queue(txq); | |
359 | } | |
360 | ||
bbea3bc4 AP |
361 | spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags); |
362 | } | |
363 | ||
711825a0 AK |
364 | /* |
365 | * This function releases the lock variables and frees the locks and | |
366 | * associated locks. | |
367 | */ | |
368 | static void mwifiex_free_lock_list(struct mwifiex_adapter *adapter) | |
369 | { | |
370 | struct mwifiex_private *priv; | |
371 | s32 i, j; | |
372 | ||
373 | /* Free lists */ | |
374 | list_del(&adapter->cmd_free_q); | |
375 | list_del(&adapter->cmd_pending_q); | |
376 | list_del(&adapter->scan_pending_q); | |
377 | ||
378 | for (i = 0; i < adapter->priv_num; i++) | |
379 | list_del(&adapter->bss_prio_tbl[i].bss_prio_head); | |
380 | ||
381 | for (i = 0; i < adapter->priv_num; i++) { | |
382 | if (adapter->priv[i]) { | |
383 | priv = adapter->priv[i]; | |
384 | for (j = 0; j < MAX_NUM_TID; ++j) | |
385 | list_del(&priv->wmm.tid_tbl_ptr[j].ra_list); | |
386 | list_del(&priv->tx_ba_stream_tbl_ptr); | |
387 | list_del(&priv->rx_reorder_tbl_ptr); | |
017a92a1 | 388 | list_del(&priv->sta_list); |
9927baa3 | 389 | list_del(&priv->auto_tdls_list); |
711825a0 AK |
390 | } |
391 | } | |
392 | } | |
393 | ||
5e6e3a92 | 394 | /* |
c56ecf5a | 395 | * This function performs cleanup for adapter structure. |
5e6e3a92 | 396 | * |
c56ecf5a AK |
397 | * The cleanup is done recursively, by canceling all pending |
398 | * commands, freeing the member buffers previously allocated | |
399 | * (command buffers, scan table buffer, sleep confirm command | |
400 | * buffer), stopping the timers and calling the cleanup routines | |
401 | * for every interface. | |
5e6e3a92 BZ |
402 | */ |
403 | static void | |
c56ecf5a | 404 | mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) |
5e6e3a92 | 405 | { |
92c2538f AK |
406 | int idx; |
407 | ||
5e6e3a92 BZ |
408 | if (!adapter) { |
409 | pr_err("%s: adapter is NULL\n", __func__); | |
410 | return; | |
411 | } | |
412 | ||
4636187d | 413 | del_timer(&adapter->wakeup_timer); |
5e6e3a92 | 414 | mwifiex_cancel_all_pending_cmd(adapter); |
fc647467 AK |
415 | wake_up_interruptible(&adapter->cmd_wait_q.wait); |
416 | wake_up_interruptible(&adapter->hs_activate_wait_q); | |
5e6e3a92 BZ |
417 | |
418 | /* Free lock variables */ | |
419 | mwifiex_free_lock_list(adapter); | |
420 | ||
421 | /* Free command buffer */ | |
422 | dev_dbg(adapter->dev, "info: free cmd buffer\n"); | |
423 | mwifiex_free_cmd_buffer(adapter); | |
424 | ||
92c2538f AK |
425 | for (idx = 0; idx < adapter->num_mem_types; idx++) { |
426 | struct memory_type_mapping *entry = | |
427 | &adapter->mem_type_mapping_tbl[idx]; | |
428 | ||
429 | if (entry->mem_ptr) { | |
430 | vfree(entry->mem_ptr); | |
431 | entry->mem_ptr = NULL; | |
432 | } | |
433 | entry->mem_size = 0; | |
434 | } | |
5e6e3a92 | 435 | |
11cd07a9 XH |
436 | if (adapter->drv_info_dump) { |
437 | vfree(adapter->drv_info_dump); | |
438 | adapter->drv_info_size = 0; | |
439 | } | |
440 | ||
2da8cbf8 AK |
441 | if (adapter->sleep_cfm) |
442 | dev_kfree_skb_any(adapter->sleep_cfm); | |
5e6e3a92 BZ |
443 | } |
444 | ||
445 | /* | |
446 | * This function intializes the lock variables and | |
447 | * the list heads. | |
448 | */ | |
449 | int mwifiex_init_lock_list(struct mwifiex_adapter *adapter) | |
450 | { | |
270e58e8 YAP |
451 | struct mwifiex_private *priv; |
452 | s32 i, j; | |
5e6e3a92 BZ |
453 | |
454 | spin_lock_init(&adapter->mwifiex_lock); | |
455 | spin_lock_init(&adapter->int_lock); | |
456 | spin_lock_init(&adapter->main_proc_lock); | |
457 | spin_lock_init(&adapter->mwifiex_cmd_lock); | |
bbea3bc4 | 458 | spin_lock_init(&adapter->queue_lock); |
5e6e3a92 BZ |
459 | for (i = 0; i < adapter->priv_num; i++) { |
460 | if (adapter->priv[i]) { | |
461 | priv = adapter->priv[i]; | |
462 | spin_lock_init(&priv->rx_pkt_lock); | |
463 | spin_lock_init(&priv->wmm.ra_list_spinlock); | |
464 | spin_lock_init(&priv->curr_bcn_buf_lock); | |
017a92a1 | 465 | spin_lock_init(&priv->sta_list_spinlock); |
9927baa3 | 466 | spin_lock_init(&priv->auto_tdls_lock); |
5e6e3a92 BZ |
467 | } |
468 | } | |
469 | ||
470 | /* Initialize cmd_free_q */ | |
471 | INIT_LIST_HEAD(&adapter->cmd_free_q); | |
472 | /* Initialize cmd_pending_q */ | |
473 | INIT_LIST_HEAD(&adapter->cmd_pending_q); | |
474 | /* Initialize scan_pending_q */ | |
475 | INIT_LIST_HEAD(&adapter->scan_pending_q); | |
476 | ||
477 | spin_lock_init(&adapter->cmd_free_q_lock); | |
478 | spin_lock_init(&adapter->cmd_pending_q_lock); | |
479 | spin_lock_init(&adapter->scan_pending_q_lock); | |
6e251174 | 480 | spin_lock_init(&adapter->rx_proc_lock); |
5e6e3a92 | 481 | |
6e251174 | 482 | skb_queue_head_init(&adapter->rx_data_q); |
4daffe35 | 483 | |
5e6e3a92 BZ |
484 | for (i = 0; i < adapter->priv_num; ++i) { |
485 | INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head); | |
5e6e3a92 BZ |
486 | spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock); |
487 | } | |
488 | ||
489 | for (i = 0; i < adapter->priv_num; i++) { | |
490 | if (!adapter->priv[i]) | |
491 | continue; | |
492 | priv = adapter->priv[i]; | |
6d2344ec | 493 | for (j = 0; j < MAX_NUM_TID; ++j) |
5e6e3a92 | 494 | INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list); |
5e6e3a92 BZ |
495 | INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr); |
496 | INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); | |
017a92a1 | 497 | INIT_LIST_HEAD(&priv->sta_list); |
9927baa3 | 498 | INIT_LIST_HEAD(&priv->auto_tdls_list); |
56bd24a1 | 499 | skb_queue_head_init(&priv->tdls_txq); |
5e6e3a92 BZ |
500 | |
501 | spin_lock_init(&priv->tx_ba_stream_tbl_lock); | |
502 | spin_lock_init(&priv->rx_reorder_tbl_lock); | |
808bbebc AK |
503 | |
504 | spin_lock_init(&priv->ack_status_lock); | |
505 | idr_init(&priv->ack_status_frames); | |
5e6e3a92 BZ |
506 | } |
507 | ||
508 | return 0; | |
509 | } | |
510 | ||
5e6e3a92 BZ |
511 | /* |
512 | * This function initializes the firmware. | |
513 | * | |
514 | * The following operations are performed sequentially - | |
515 | * - Allocate adapter structure | |
516 | * - Initialize the adapter structure | |
517 | * - Initialize the private structure | |
518 | * - Add BSS priority tables to the adapter structure | |
519 | * - For each interface, send the init commands to firmware | |
520 | * - Send the first command in command pending queue, if available | |
521 | */ | |
522 | int mwifiex_init_fw(struct mwifiex_adapter *adapter) | |
523 | { | |
270e58e8 YAP |
524 | int ret; |
525 | struct mwifiex_private *priv; | |
526 | u8 i, first_sta = true; | |
5e6e3a92 BZ |
527 | int is_cmd_pend_q_empty; |
528 | unsigned long flags; | |
529 | ||
530 | adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING; | |
531 | ||
532 | /* Allocate memory for member of adapter structure */ | |
533 | ret = mwifiex_allocate_adapter(adapter); | |
534 | if (ret) | |
535 | return -1; | |
536 | ||
537 | /* Initialize adapter structure */ | |
538 | mwifiex_init_adapter(adapter); | |
539 | ||
540 | for (i = 0; i < adapter->priv_num; i++) { | |
541 | if (adapter->priv[i]) { | |
542 | priv = adapter->priv[i]; | |
543 | ||
544 | /* Initialize private structure */ | |
545 | ret = mwifiex_init_priv(priv); | |
546 | if (ret) | |
547 | return -1; | |
548 | } | |
549 | } | |
c6d1d87a AP |
550 | |
551 | if (adapter->if_ops.init_fw_port) { | |
552 | if (adapter->if_ops.init_fw_port(adapter)) | |
553 | return -1; | |
554 | } | |
555 | ||
5e6e3a92 BZ |
556 | for (i = 0; i < adapter->priv_num; i++) { |
557 | if (adapter->priv[i]) { | |
1247cc1f AP |
558 | ret = mwifiex_sta_init_cmd(adapter->priv[i], first_sta, |
559 | true); | |
5e6e3a92 BZ |
560 | if (ret == -1) |
561 | return -1; | |
562 | ||
563 | first_sta = false; | |
564 | } | |
565 | } | |
566 | ||
567 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
568 | is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q); | |
569 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
570 | if (!is_cmd_pend_q_empty) { | |
571 | /* Send the first command in queue and return */ | |
572 | if (mwifiex_main_process(adapter) != -1) | |
573 | ret = -EINPROGRESS; | |
574 | } else { | |
575 | adapter->hw_status = MWIFIEX_HW_STATUS_READY; | |
576 | } | |
577 | ||
578 | return ret; | |
579 | } | |
580 | ||
581 | /* | |
582 | * This function deletes the BSS priority tables. | |
583 | * | |
584 | * The function traverses through all the allocated BSS priority nodes | |
585 | * in every BSS priority table and frees them. | |
586 | */ | |
587 | static void mwifiex_delete_bss_prio_tbl(struct mwifiex_private *priv) | |
588 | { | |
589 | int i; | |
590 | struct mwifiex_adapter *adapter = priv->adapter; | |
b006ed54 | 591 | struct mwifiex_bss_prio_node *bssprio_node, *tmp_node; |
5e6e3a92 | 592 | struct list_head *head; |
931f1584 | 593 | spinlock_t *lock; /* bss priority lock */ |
5e6e3a92 BZ |
594 | unsigned long flags; |
595 | ||
596 | for (i = 0; i < adapter->priv_num; ++i) { | |
597 | head = &adapter->bss_prio_tbl[i].bss_prio_head; | |
5e6e3a92 BZ |
598 | lock = &adapter->bss_prio_tbl[i].bss_prio_lock; |
599 | dev_dbg(adapter->dev, "info: delete BSS priority table," | |
9da9a3b2 | 600 | " bss_type = %d, bss_num = %d, i = %d," |
b006ed54 AF |
601 | " head = %p\n", |
602 | priv->bss_type, priv->bss_num, i, head); | |
603 | ||
604 | { | |
5e6e3a92 BZ |
605 | spin_lock_irqsave(lock, flags); |
606 | if (list_empty(head)) { | |
607 | spin_unlock_irqrestore(lock, flags); | |
608 | continue; | |
609 | } | |
5e6e3a92 BZ |
610 | list_for_each_entry_safe(bssprio_node, tmp_node, head, |
611 | list) { | |
612 | if (bssprio_node->priv == priv) { | |
613 | dev_dbg(adapter->dev, "info: Delete " | |
614 | "node %p, next = %p\n", | |
615 | bssprio_node, tmp_node); | |
5e6e3a92 | 616 | list_del(&bssprio_node->list); |
5e6e3a92 BZ |
617 | kfree(bssprio_node); |
618 | } | |
619 | } | |
b006ed54 | 620 | spin_unlock_irqrestore(lock, flags); |
5e6e3a92 BZ |
621 | } |
622 | } | |
623 | } | |
624 | ||
9197ab9e SP |
625 | /* |
626 | * This function frees the private structure, including cleans | |
627 | * up the TX and RX queues and frees the BSS priority tables. | |
628 | */ | |
629 | void mwifiex_free_priv(struct mwifiex_private *priv) | |
630 | { | |
631 | mwifiex_clean_txrx(priv); | |
632 | mwifiex_delete_bss_prio_tbl(priv); | |
633 | mwifiex_free_curr_bcn(priv); | |
634 | } | |
635 | ||
5e6e3a92 BZ |
636 | /* |
637 | * This function is used to shutdown the driver. | |
638 | * | |
639 | * The following operations are performed sequentially - | |
640 | * - Check if already shut down | |
641 | * - Make sure the main process has stopped | |
642 | * - Clean up the Tx and Rx queues | |
643 | * - Delete BSS priority tables | |
644 | * - Free the adapter | |
645 | * - Notify completion | |
646 | */ | |
647 | int | |
648 | mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) | |
649 | { | |
650 | int ret = -EINPROGRESS; | |
270e58e8 YAP |
651 | struct mwifiex_private *priv; |
652 | s32 i; | |
6e251174 | 653 | unsigned long flags; |
4daffe35 | 654 | struct sk_buff *skb; |
5e6e3a92 BZ |
655 | |
656 | /* mwifiex already shutdown */ | |
657 | if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY) | |
658 | return 0; | |
659 | ||
660 | adapter->hw_status = MWIFIEX_HW_STATUS_CLOSING; | |
661 | /* wait for mwifiex_process to complete */ | |
662 | if (adapter->mwifiex_processing) { | |
663 | dev_warn(adapter->dev, "main process is still running\n"); | |
664 | return ret; | |
665 | } | |
666 | ||
084c7189 BZ |
667 | /* cancel current command */ |
668 | if (adapter->curr_cmd) { | |
669 | dev_warn(adapter->dev, "curr_cmd is still in processing\n"); | |
629873f2 | 670 | del_timer_sync(&adapter->cmd_timer); |
9908b074 | 671 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
084c7189 BZ |
672 | adapter->curr_cmd = NULL; |
673 | } | |
674 | ||
5e6e3a92 BZ |
675 | /* shut down mwifiex */ |
676 | dev_dbg(adapter->dev, "info: shutdown mwifiex...\n"); | |
677 | ||
678 | /* Clean up Tx/Rx queues and delete BSS priority table */ | |
679 | for (i = 0; i < adapter->priv_num; i++) { | |
680 | if (adapter->priv[i]) { | |
681 | priv = adapter->priv[i]; | |
682 | ||
9927baa3 | 683 | mwifiex_clean_auto_tdls(priv); |
5e6e3a92 BZ |
684 | mwifiex_clean_txrx(priv); |
685 | mwifiex_delete_bss_prio_tbl(priv); | |
686 | } | |
687 | } | |
688 | ||
6e251174 AP |
689 | spin_lock_irqsave(&adapter->rx_proc_lock, flags); |
690 | ||
691 | while ((skb = skb_dequeue(&adapter->rx_data_q))) { | |
692 | struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb); | |
693 | ||
694 | atomic_dec(&adapter->rx_pending); | |
695 | priv = adapter->priv[rx_info->bss_num]; | |
696 | if (priv) | |
697 | priv->stats.rx_dropped++; | |
698 | ||
699 | dev_kfree_skb_any(skb); | |
700 | } | |
701 | ||
702 | spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); | |
703 | ||
013a492e | 704 | spin_lock(&adapter->mwifiex_lock); |
5e6e3a92 | 705 | |
c56ecf5a | 706 | mwifiex_adapter_cleanup(adapter); |
5e6e3a92 | 707 | |
013a492e | 708 | spin_unlock(&adapter->mwifiex_lock); |
5e6e3a92 BZ |
709 | |
710 | /* Notify completion */ | |
711 | ret = mwifiex_shutdown_fw_complete(adapter); | |
712 | ||
713 | return ret; | |
714 | } | |
715 | ||
716 | /* | |
717 | * This function downloads the firmware to the card. | |
718 | * | |
719 | * The actual download is preceded by two sanity checks - | |
720 | * - Check if firmware is already running | |
721 | * - Check if the interface is the winner to download the firmware | |
722 | * | |
723 | * ...and followed by another - | |
724 | * - Check if the firmware is downloaded successfully | |
725 | * | |
726 | * After download is successfully completed, the host interrupts are enabled. | |
727 | */ | |
728 | int mwifiex_dnld_fw(struct mwifiex_adapter *adapter, | |
729 | struct mwifiex_fw_image *pmfw) | |
730 | { | |
d930faee | 731 | int ret; |
5e6e3a92 | 732 | u32 poll_num = 1; |
5e6e3a92 | 733 | |
4daffe35 AK |
734 | if (adapter->if_ops.check_fw_status) { |
735 | adapter->winner = 0; | |
d930faee | 736 | |
4daffe35 AK |
737 | /* check if firmware is already running */ |
738 | ret = adapter->if_ops.check_fw_status(adapter, poll_num); | |
739 | if (!ret) { | |
740 | dev_notice(adapter->dev, | |
741 | "WLAN FW already running! Skip FW dnld\n"); | |
232fde06 | 742 | return 0; |
4daffe35 AK |
743 | } |
744 | ||
745 | poll_num = MAX_FIRMWARE_POLL_TRIES; | |
746 | ||
747 | /* check if we are the winner for downloading FW */ | |
748 | if (!adapter->winner) { | |
749 | dev_notice(adapter->dev, | |
750 | "FW already running! Skip FW dnld\n"); | |
4daffe35 AK |
751 | goto poll_fw; |
752 | } | |
5e6e3a92 | 753 | } |
4daffe35 | 754 | |
5e6e3a92 BZ |
755 | if (pmfw) { |
756 | /* Download firmware with helper */ | |
757 | ret = adapter->if_ops.prog_fw(adapter, pmfw); | |
758 | if (ret) { | |
759 | dev_err(adapter->dev, "prog_fw failed ret=%#x\n", ret); | |
760 | return ret; | |
761 | } | |
762 | } | |
763 | ||
764 | poll_fw: | |
765 | /* Check if the firmware is downloaded successfully or not */ | |
d930faee | 766 | ret = adapter->if_ops.check_fw_status(adapter, poll_num); |
232fde06 | 767 | if (ret) |
5e6e3a92 | 768 | dev_err(adapter->dev, "FW failed to be active in time\n"); |
4daffe35 | 769 | |
5e6e3a92 BZ |
770 | return ret; |
771 | } |