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45eaa78f KV |
1 | /* |
2 | * Copyright (c) 2004-2011 Atheros Communications Inc. | |
1b2df407 | 3 | * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
45eaa78f KV |
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 | ||
d6a434d6 | 20 | #include <linux/module.h> |
45eaa78f | 21 | #include <linux/moduleparam.h> |
d6a434d6 | 22 | #include <linux/export.h> |
45eaa78f KV |
23 | |
24 | #include "debug.h" | |
25 | #include "hif-ops.h" | |
26 | #include "cfg80211.h" | |
27 | ||
28 | unsigned int debug_mask; | |
e390af77 | 29 | static unsigned int suspend_mode; |
45eaa78f KV |
30 | static unsigned int uart_debug; |
31 | static unsigned int ath6kl_p2p; | |
5f1127ff | 32 | static unsigned int testmode; |
45eaa78f KV |
33 | |
34 | module_param(debug_mask, uint, 0644); | |
e390af77 | 35 | module_param(suspend_mode, uint, 0644); |
45eaa78f KV |
36 | module_param(uart_debug, uint, 0644); |
37 | module_param(ath6kl_p2p, uint, 0644); | |
5f1127ff | 38 | module_param(testmode, uint, 0644); |
45eaa78f KV |
39 | |
40 | int ath6kl_core_init(struct ath6kl *ar) | |
41 | { | |
42 | struct ath6kl_bmi_target_info targ_info; | |
43 | struct net_device *ndev; | |
44 | int ret = 0, i; | |
45 | ||
46 | ar->ath6kl_wq = create_singlethread_workqueue("ath6kl"); | |
47 | if (!ar->ath6kl_wq) | |
48 | return -ENOMEM; | |
49 | ||
50 | ret = ath6kl_bmi_init(ar); | |
51 | if (ret) | |
52 | goto err_wq; | |
53 | ||
54 | /* | |
55 | * Turn on power to get hardware (target) version and leave power | |
56 | * on delibrately as we will boot the hardware anyway within few | |
57 | * seconds. | |
58 | */ | |
59 | ret = ath6kl_hif_power_on(ar); | |
60 | if (ret) | |
61 | goto err_bmi_cleanup; | |
62 | ||
63 | ret = ath6kl_bmi_get_target_info(ar, &targ_info); | |
64 | if (ret) | |
65 | goto err_power_off; | |
66 | ||
67 | ar->version.target_ver = le32_to_cpu(targ_info.version); | |
68 | ar->target_type = le32_to_cpu(targ_info.type); | |
69 | ar->wiphy->hw_version = le32_to_cpu(targ_info.version); | |
70 | ||
71 | ret = ath6kl_init_hw_params(ar); | |
72 | if (ret) | |
73 | goto err_power_off; | |
74 | ||
75 | ar->htc_target = ath6kl_htc_create(ar); | |
76 | ||
77 | if (!ar->htc_target) { | |
78 | ret = -ENOMEM; | |
79 | goto err_power_off; | |
80 | } | |
81 | ||
5f1127ff KV |
82 | ar->testmode = testmode; |
83 | ||
45eaa78f KV |
84 | ret = ath6kl_init_fetch_firmwares(ar); |
85 | if (ret) | |
86 | goto err_htc_cleanup; | |
87 | ||
88 | /* FIXME: we should free all firmwares in the error cases below */ | |
89 | ||
90 | /* Indicate that WMI is enabled (although not ready yet) */ | |
91 | set_bit(WMI_ENABLED, &ar->flag); | |
92 | ar->wmi = ath6kl_wmi_init(ar); | |
93 | if (!ar->wmi) { | |
94 | ath6kl_err("failed to initialize wmi\n"); | |
95 | ret = -EIO; | |
96 | goto err_htc_cleanup; | |
97 | } | |
98 | ||
99 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi); | |
100 | ||
101 | ret = ath6kl_cfg80211_init(ar); | |
102 | if (ret) | |
103 | goto err_node_cleanup; | |
104 | ||
105 | ret = ath6kl_debug_init(ar); | |
106 | if (ret) { | |
107 | wiphy_unregister(ar->wiphy); | |
108 | goto err_node_cleanup; | |
109 | } | |
110 | ||
111 | for (i = 0; i < ar->vif_max; i++) | |
112 | ar->avail_idx_map |= BIT(i); | |
113 | ||
114 | rtnl_lock(); | |
115 | ||
116 | /* Add an initial station interface */ | |
117 | ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0, | |
118 | INFRA_NETWORK); | |
119 | ||
120 | rtnl_unlock(); | |
121 | ||
122 | if (!ndev) { | |
123 | ath6kl_err("Failed to instantiate a network device\n"); | |
124 | ret = -ENOMEM; | |
125 | wiphy_unregister(ar->wiphy); | |
126 | goto err_debug_init; | |
127 | } | |
128 | ||
129 | ||
130 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n", | |
131 | __func__, ndev->name, ndev, ar); | |
132 | ||
133 | /* setup access class priority mappings */ | |
134 | ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */ | |
135 | ar->ac_stream_pri_map[WMM_AC_BE] = 1; | |
136 | ar->ac_stream_pri_map[WMM_AC_VI] = 2; | |
137 | ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */ | |
138 | ||
139 | /* give our connected endpoints some buffers */ | |
140 | ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep); | |
141 | ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]); | |
142 | ||
143 | /* allocate some buffers that handle larger AMSDU frames */ | |
144 | ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS); | |
145 | ||
146 | ath6kl_cookie_init(ar); | |
147 | ||
148 | ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER | | |
149 | ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST; | |
150 | ||
e390af77 RM |
151 | if (suspend_mode && |
152 | suspend_mode >= WLAN_POWER_STATE_CUT_PWR && | |
153 | suspend_mode <= WLAN_POWER_STATE_WOW) | |
154 | ar->suspend_mode = suspend_mode; | |
155 | else | |
156 | ar->suspend_mode = 0; | |
45eaa78f KV |
157 | |
158 | if (uart_debug) | |
159 | ar->conf_flags |= ATH6KL_CONF_UART_DEBUG; | |
160 | ||
161 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | | |
162 | WIPHY_FLAG_HAVE_AP_SME | | |
163 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | | |
164 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
165 | ||
166 | if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) | |
167 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
168 | ||
169 | ar->wiphy->probe_resp_offload = | |
170 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
171 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
172 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P | | |
173 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U; | |
174 | ||
175 | set_bit(FIRST_BOOT, &ar->flag); | |
176 | ||
177 | ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; | |
178 | ||
179 | ret = ath6kl_init_hw_start(ar); | |
180 | if (ret) { | |
181 | ath6kl_err("Failed to start hardware: %d\n", ret); | |
182 | goto err_rxbuf_cleanup; | |
183 | } | |
184 | ||
185 | /* | |
186 | * Set mac address which is received in ready event | |
187 | * FIXME: Move to ath6kl_interface_add() | |
188 | */ | |
189 | memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); | |
190 | ||
191 | return ret; | |
192 | ||
193 | err_rxbuf_cleanup: | |
194 | ath6kl_htc_flush_rx_buf(ar->htc_target); | |
195 | ath6kl_cleanup_amsdu_rxbufs(ar); | |
196 | rtnl_lock(); | |
197 | ath6kl_cfg80211_vif_cleanup(netdev_priv(ndev)); | |
198 | rtnl_unlock(); | |
199 | wiphy_unregister(ar->wiphy); | |
200 | err_debug_init: | |
201 | ath6kl_debug_cleanup(ar); | |
202 | err_node_cleanup: | |
203 | ath6kl_wmi_shutdown(ar->wmi); | |
204 | clear_bit(WMI_ENABLED, &ar->flag); | |
205 | ar->wmi = NULL; | |
206 | err_htc_cleanup: | |
207 | ath6kl_htc_cleanup(ar->htc_target); | |
208 | err_power_off: | |
209 | ath6kl_hif_power_off(ar); | |
210 | err_bmi_cleanup: | |
211 | ath6kl_bmi_cleanup(ar); | |
212 | err_wq: | |
213 | destroy_workqueue(ar->ath6kl_wq); | |
214 | ||
215 | return ret; | |
216 | } | |
d6a434d6 | 217 | EXPORT_SYMBOL(ath6kl_core_init); |
45eaa78f KV |
218 | |
219 | struct ath6kl *ath6kl_core_create(struct device *dev) | |
220 | { | |
221 | struct ath6kl *ar; | |
222 | u8 ctr; | |
223 | ||
224 | ar = ath6kl_cfg80211_create(); | |
225 | if (!ar) | |
226 | return NULL; | |
227 | ||
228 | ar->p2p = !!ath6kl_p2p; | |
229 | ar->dev = dev; | |
230 | ||
231 | ar->vif_max = 1; | |
232 | ||
233 | ar->max_norm_iface = 1; | |
234 | ||
235 | spin_lock_init(&ar->lock); | |
236 | spin_lock_init(&ar->mcastpsq_lock); | |
237 | spin_lock_init(&ar->list_lock); | |
238 | ||
239 | init_waitqueue_head(&ar->event_wq); | |
240 | sema_init(&ar->sem, 1); | |
241 | ||
242 | INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue); | |
243 | INIT_LIST_HEAD(&ar->vif_list); | |
244 | ||
245 | clear_bit(WMI_ENABLED, &ar->flag); | |
246 | clear_bit(SKIP_SCAN, &ar->flag); | |
247 | clear_bit(DESTROY_IN_PROGRESS, &ar->flag); | |
248 | ||
249 | ar->listen_intvl_b = A_DEFAULT_LISTEN_INTERVAL; | |
250 | ar->tx_pwr = 0; | |
251 | ||
252 | ar->intra_bss = 1; | |
253 | ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD; | |
254 | ||
255 | ar->state = ATH6KL_STATE_OFF; | |
256 | ||
257 | memset((u8 *)ar->sta_list, 0, | |
258 | AP_MAX_NUM_STA * sizeof(struct ath6kl_sta)); | |
259 | ||
260 | /* Init the PS queues */ | |
261 | for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { | |
262 | spin_lock_init(&ar->sta_list[ctr].psq_lock); | |
263 | skb_queue_head_init(&ar->sta_list[ctr].psq); | |
264 | skb_queue_head_init(&ar->sta_list[ctr].apsdq); | |
d0ff7383 NG |
265 | ar->sta_list[ctr].mgmt_psq_len = 0; |
266 | INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq); | |
1d2a4456 VT |
267 | ar->sta_list[ctr].aggr_conn = |
268 | kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL); | |
269 | if (!ar->sta_list[ctr].aggr_conn) { | |
270 | ath6kl_err("Failed to allocate memory for sta aggregation information\n"); | |
271 | ath6kl_core_destroy(ar); | |
272 | return NULL; | |
273 | } | |
45eaa78f KV |
274 | } |
275 | ||
276 | skb_queue_head_init(&ar->mcastpsq); | |
277 | ||
278 | memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3); | |
279 | ||
280 | return ar; | |
281 | } | |
d6a434d6 | 282 | EXPORT_SYMBOL(ath6kl_core_create); |
45eaa78f KV |
283 | |
284 | void ath6kl_core_cleanup(struct ath6kl *ar) | |
285 | { | |
286 | ath6kl_hif_power_off(ar); | |
287 | ||
288 | destroy_workqueue(ar->ath6kl_wq); | |
289 | ||
290 | if (ar->htc_target) | |
291 | ath6kl_htc_cleanup(ar->htc_target); | |
292 | ||
293 | ath6kl_cookie_cleanup(ar); | |
294 | ||
295 | ath6kl_cleanup_amsdu_rxbufs(ar); | |
296 | ||
297 | ath6kl_bmi_cleanup(ar); | |
298 | ||
299 | ath6kl_debug_cleanup(ar); | |
300 | ||
301 | kfree(ar->fw_board); | |
302 | kfree(ar->fw_otp); | |
303 | kfree(ar->fw); | |
304 | kfree(ar->fw_patch); | |
305 | kfree(ar->fw_testscript); | |
306 | ||
307 | ath6kl_cfg80211_cleanup(ar); | |
308 | } | |
d6a434d6 | 309 | EXPORT_SYMBOL(ath6kl_core_cleanup); |
45eaa78f KV |
310 | |
311 | void ath6kl_core_destroy(struct ath6kl *ar) | |
312 | { | |
313 | ath6kl_cfg80211_destroy(ar); | |
314 | } | |
d6a434d6 | 315 | EXPORT_SYMBOL(ath6kl_core_destroy); |
45eaa78f | 316 | |
d6a434d6 KV |
317 | MODULE_AUTHOR("Qualcomm Atheros"); |
318 | MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices."); | |
319 | MODULE_LICENSE("Dual BSD/GPL"); |