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Commit | Line | Data |
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876c9d3a MT |
1 | /** |
2 | * This file contains the major functions in WLAN | |
3 | * driver. It includes init, exit, open, close and main | |
4 | * thread etc.. | |
5 | */ | |
6 | ||
a46c6410 | 7 | #include <linux/moduleparam.h> |
876c9d3a | 8 | #include <linux/delay.h> |
876c9d3a MT |
9 | #include <linux/etherdevice.h> |
10 | #include <linux/netdevice.h> | |
11 | #include <linux/if_arp.h> | |
fe336150 | 12 | #include <linux/kthread.h> |
7919b89c | 13 | #include <linux/kfifo.h> |
5a0e3ad6 | 14 | #include <linux/slab.h> |
ff9fc791 | 15 | #include <net/cfg80211.h> |
876c9d3a MT |
16 | |
17 | #include "host.h" | |
876c9d3a MT |
18 | #include "decl.h" |
19 | #include "dev.h" | |
ff9fc791 | 20 | #include "cfg.h" |
876c9d3a | 21 | #include "debugfs.h" |
6e66f03f | 22 | #include "cmd.h" |
876c9d3a | 23 | |
7856a541 | 24 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 25 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
26 | #ifdef DEBUG |
27 | "-dbg" | |
28 | #endif | |
29 | ""; | |
30 | ||
a46c6410 HS |
31 | |
32 | /* Module parameters */ | |
10078321 HS |
33 | unsigned int lbs_debug; |
34 | EXPORT_SYMBOL_GPL(lbs_debug); | |
35 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
36 | |
37 | ||
f539f2ef HS |
38 | /* This global structure is used to send the confirm_sleep command as |
39 | * fast as possible down to the firmware. */ | |
40 | struct cmd_confirm_sleep confirm_sleep; | |
41 | ||
42 | ||
876c9d3a | 43 | /** |
8c512765 | 44 | * the table to keep region code |
876c9d3a | 45 | */ |
10078321 | 46 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 47 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a | 48 | |
876c9d3a | 49 | /** |
8c512765 DW |
50 | * FW rate table. FW refers to rates by their index in this table, not by the |
51 | * rate value itself. Values of 0x00 are | |
52 | * reserved positions. | |
876c9d3a | 53 | */ |
8c512765 DW |
54 | static u8 fw_data_rates[MAX_RATES] = |
55 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
56 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
57 | }; | |
876c9d3a | 58 | |
876c9d3a | 59 | /** |
8c512765 DW |
60 | * @brief use index to get the data rate |
61 | * | |
62 | * @param idx The index of data rate | |
63 | * @return data rate or 0 | |
876c9d3a | 64 | */ |
10078321 | 65 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
66 | { |
67 | if (idx >= sizeof(fw_data_rates)) | |
68 | idx = 0; | |
69 | return fw_data_rates[idx]; | |
70 | } | |
71 | ||
72 | /** | |
73 | * @brief use rate to get the index | |
74 | * | |
75 | * @param rate data rate | |
76 | * @return index or 0 | |
77 | */ | |
10078321 | 78 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
79 | { |
80 | u8 i; | |
81 | ||
82 | if (!rate) | |
83 | return 0; | |
84 | ||
85 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
86 | if (rate == fw_data_rates[i]) | |
87 | return i; | |
88 | } | |
89 | return 0; | |
90 | } | |
876c9d3a | 91 | |
6fb53252 | 92 | |
23a397ac | 93 | /** |
e0e42da3 | 94 | * @brief This function opens the ethX interface |
876c9d3a MT |
95 | * |
96 | * @param dev A pointer to net_device structure | |
8552855f | 97 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 98 | */ |
10078321 | 99 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 100 | { |
ab65f649 | 101 | struct lbs_private *priv = dev->ml_priv; |
8552855f | 102 | int ret = 0; |
876c9d3a | 103 | |
61d30020 HS |
104 | lbs_deb_enter(LBS_DEB_NET); |
105 | ||
8552855f | 106 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 107 | |
e0e42da3 HS |
108 | if (priv->connect_status == LBS_CONNECTED) |
109 | netif_carrier_on(dev); | |
110 | else | |
111 | netif_carrier_off(dev); | |
876c9d3a | 112 | |
8552855f DW |
113 | if (!priv->tx_pending_len) |
114 | netif_wake_queue(dev); | |
876c9d3a | 115 | |
8552855f | 116 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 117 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 118 | return ret; |
876c9d3a MT |
119 | } |
120 | ||
876c9d3a MT |
121 | /** |
122 | * @brief This function closes the ethX interface | |
123 | * | |
124 | * @param dev A pointer to net_device structure | |
125 | * @return 0 | |
126 | */ | |
8552855f | 127 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 128 | { |
ab65f649 | 129 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 130 | |
61d30020 | 131 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 132 | |
61d30020 | 133 | spin_lock_irq(&priv->driver_lock); |
8552855f | 134 | netif_stop_queue(dev); |
8552855f | 135 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 136 | |
75bf45a7 DW |
137 | schedule_work(&priv->mcast_work); |
138 | ||
61d30020 | 139 | lbs_deb_leave(LBS_DEB_NET); |
8552855f | 140 | return 0; |
876c9d3a MT |
141 | } |
142 | ||
10078321 | 143 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 144 | { |
ab65f649 | 145 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 146 | |
9012b28a | 147 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 148 | |
9012b28a | 149 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 150 | |
1ae5dc34 | 151 | dev->trans_start = jiffies; /* prevent tx timeout */ |
876c9d3a | 152 | |
7919b89c HS |
153 | if (priv->currenttxskb) |
154 | lbs_send_tx_feedback(priv, 0); | |
155 | ||
a63b22bb DW |
156 | /* XX: Shouldn't we also call into the hw-specific driver |
157 | to kick it somehow? */ | |
158 | lbs_host_to_card_done(priv); | |
876c9d3a | 159 | |
9fb7663d | 160 | /* FIXME: reset the card */ |
354eca98 | 161 | |
9012b28a | 162 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
163 | } |
164 | ||
e775ed7c DW |
165 | void lbs_host_to_card_done(struct lbs_private *priv) |
166 | { | |
a63b22bb DW |
167 | unsigned long flags; |
168 | ||
61d30020 HS |
169 | lbs_deb_enter(LBS_DEB_THREAD); |
170 | ||
a63b22bb | 171 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
172 | |
173 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
174 | ||
175 | /* Wake main thread if commands are pending */ | |
49125454 AK |
176 | if (!priv->cur_cmd || priv->tx_pending_len > 0) { |
177 | if (!priv->wakeup_dev_required) | |
178 | wake_up_interruptible(&priv->waitq); | |
179 | } | |
e775ed7c | 180 | |
a63b22bb | 181 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 182 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
183 | } |
184 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
185 | ||
e0e42da3 | 186 | int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
187 | { |
188 | int ret = 0; | |
ab65f649 | 189 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 190 | struct sockaddr *phwaddr = addr; |
2af9f039 | 191 | struct cmd_ds_802_11_mac_address cmd; |
876c9d3a | 192 | |
9012b28a | 193 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 194 | |
0a0d08ac | 195 | /* In case it was called from the mesh device */ |
2af9f039 | 196 | dev = priv->dev; |
0a0d08ac | 197 | |
2af9f039 HS |
198 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
199 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
200 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); | |
876c9d3a | 201 | |
2af9f039 | 202 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
876c9d3a | 203 | if (ret) { |
9012b28a | 204 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
205 | goto done; |
206 | } | |
207 | ||
2af9f039 HS |
208 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
209 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); | |
78523daa | 210 | if (priv->mesh_dev) |
2af9f039 | 211 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
212 | |
213 | done: | |
9012b28a | 214 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
215 | return ret; |
216 | } | |
217 | ||
75bf45a7 DW |
218 | |
219 | static inline int mac_in_list(unsigned char *list, int list_len, | |
220 | unsigned char *mac) | |
876c9d3a | 221 | { |
75bf45a7 DW |
222 | while (list_len) { |
223 | if (!memcmp(list, mac, ETH_ALEN)) | |
224 | return 1; | |
225 | list += ETH_ALEN; | |
226 | list_len--; | |
227 | } | |
228 | return 0; | |
229 | } | |
230 | ||
876c9d3a | 231 | |
75bf45a7 DW |
232 | static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, |
233 | struct net_device *dev, int nr_addrs) | |
234 | { | |
235 | int i = nr_addrs; | |
22bedad3 | 236 | struct netdev_hw_addr *ha; |
655ffee2 | 237 | int cnt; |
75bf45a7 DW |
238 | |
239 | if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST)) | |
240 | return nr_addrs; | |
241 | ||
b9e40857 | 242 | netif_addr_lock_bh(dev); |
655ffee2 | 243 | cnt = netdev_mc_count(dev); |
22bedad3 JP |
244 | netdev_for_each_mc_addr(ha, dev) { |
245 | if (mac_in_list(cmd->maclist, nr_addrs, ha->addr)) { | |
e174961c | 246 | lbs_deb_net("mcast address %s:%pM skipped\n", dev->name, |
22bedad3 | 247 | ha->addr); |
655ffee2 | 248 | cnt--; |
75bf45a7 DW |
249 | continue; |
250 | } | |
876c9d3a | 251 | |
75bf45a7 DW |
252 | if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE) |
253 | break; | |
22bedad3 | 254 | memcpy(&cmd->maclist[6*i], ha->addr, ETH_ALEN); |
e174961c | 255 | lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name, |
22bedad3 | 256 | ha->addr); |
75bf45a7 | 257 | i++; |
655ffee2 | 258 | cnt--; |
876c9d3a | 259 | } |
b9e40857 | 260 | netif_addr_unlock_bh(dev); |
655ffee2 | 261 | if (cnt) |
75bf45a7 DW |
262 | return -EOVERFLOW; |
263 | ||
876c9d3a | 264 | return i; |
876c9d3a MT |
265 | } |
266 | ||
75bf45a7 | 267 | static void lbs_set_mcast_worker(struct work_struct *work) |
876c9d3a | 268 | { |
75bf45a7 DW |
269 | struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); |
270 | struct cmd_ds_mac_multicast_adr mcast_cmd; | |
271 | int dev_flags; | |
272 | int nr_addrs; | |
273 | int old_mac_control = priv->mac_control; | |
876c9d3a | 274 | |
9012b28a | 275 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 276 | |
75bf45a7 DW |
277 | dev_flags = priv->dev->flags; |
278 | if (priv->mesh_dev) | |
279 | dev_flags |= priv->mesh_dev->flags; | |
280 | ||
281 | if (dev_flags & IFF_PROMISC) { | |
282 | priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE; | |
283 | priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | | |
284 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
285 | goto out_set_mac_control; | |
286 | } else if (dev_flags & IFF_ALLMULTI) { | |
287 | do_allmulti: | |
288 | priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE; | |
289 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
290 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
291 | goto out_set_mac_control; | |
876c9d3a MT |
292 | } |
293 | ||
75bf45a7 DW |
294 | /* Once for priv->dev, again for priv->mesh_dev if it exists */ |
295 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0); | |
296 | if (nr_addrs >= 0 && priv->mesh_dev) | |
297 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs); | |
298 | if (nr_addrs < 0) | |
299 | goto do_allmulti; | |
300 | ||
301 | if (nr_addrs) { | |
302 | int size = offsetof(struct cmd_ds_mac_multicast_adr, | |
303 | maclist[6*nr_addrs]); | |
304 | ||
305 | mcast_cmd.action = cpu_to_le16(CMD_ACT_SET); | |
306 | mcast_cmd.hdr.size = cpu_to_le16(size); | |
307 | mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs); | |
308 | ||
309 | lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size); | |
310 | ||
311 | priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE; | |
312 | } else | |
313 | priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE; | |
314 | ||
315 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
316 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE); | |
317 | out_set_mac_control: | |
d9e9778c HS |
318 | if (priv->mac_control != old_mac_control) |
319 | lbs_set_mac_control(priv); | |
876c9d3a | 320 | |
9012b28a | 321 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
322 | } |
323 | ||
e0e42da3 | 324 | void lbs_set_multicast_list(struct net_device *dev) |
75bf45a7 | 325 | { |
ab65f649 | 326 | struct lbs_private *priv = dev->ml_priv; |
75bf45a7 DW |
327 | |
328 | schedule_work(&priv->mcast_work); | |
329 | } | |
330 | ||
876c9d3a | 331 | /** |
10078321 | 332 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
333 | * It handles all events generated by firmware, RX data received |
334 | * from firmware and TX data sent from kernel. | |
876c9d3a | 335 | * |
10078321 | 336 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
337 | * @return 0 |
338 | */ | |
10078321 | 339 | static int lbs_thread(void *data) |
876c9d3a | 340 | { |
fe336150 | 341 | struct net_device *dev = data; |
ab65f649 | 342 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 343 | wait_queue_t wait; |
876c9d3a | 344 | |
9012b28a | 345 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 346 | |
876c9d3a MT |
347 | init_waitqueue_entry(&wait, current); |
348 | ||
349 | for (;;) { | |
b8d40bc9 | 350 | int shouldsleep; |
7919b89c | 351 | u8 resp_idx; |
b8d40bc9 | 352 | |
7919b89c HS |
353 | lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n", |
354 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 355 | |
fe336150 | 356 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 357 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 358 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 359 | |
d9f88705 | 360 | if (kthread_should_stop()) |
b8d40bc9 | 361 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
362 | else if (priv->surpriseremoved) |
363 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
364 | else if (priv->psstate == PS_STATE_SLEEP) |
365 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
2a345099 DW |
366 | else if (priv->cmd_timed_out) |
367 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
368 | else if (!priv->fw_ready) |
369 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
370 | else if (priv->dnld_sent) |
371 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
372 | else if (priv->tx_pending_len > 0) |
373 | shouldsleep = 0; /* We've a packet to send */ | |
ef707b83 HS |
374 | else if (priv->resp_len[priv->resp_idx]) |
375 | shouldsleep = 0; /* We have a command response */ | |
b8d40bc9 DW |
376 | else if (priv->cur_cmd) |
377 | shouldsleep = 1; /* Can't send a command; one already running */ | |
49125454 AK |
378 | else if (!list_empty(&priv->cmdpendingq) && |
379 | !(priv->wakeup_dev_required)) | |
b8d40bc9 | 380 | shouldsleep = 0; /* We have a command to send */ |
e64c026d | 381 | else if (kfifo_len(&priv->event_fifo)) |
7919b89c | 382 | shouldsleep = 0; /* We have an event to process */ |
b8d40bc9 DW |
383 | else |
384 | shouldsleep = 1; /* No command */ | |
385 | ||
386 | if (shouldsleep) { | |
7919b89c | 387 | lbs_deb_thread("sleeping, connect_status %d, " |
5f505d90 | 388 | "psmode %d, psstate %d\n", |
7919b89c HS |
389 | priv->connect_status, |
390 | priv->psmode, priv->psstate); | |
aa21c004 | 391 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
392 | schedule(); |
393 | } else | |
aa21c004 | 394 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 395 | |
7919b89c HS |
396 | lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n", |
397 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
398 | |
399 | set_current_state(TASK_RUNNING); | |
fe336150 | 400 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 401 | |
7919b89c HS |
402 | lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n", |
403 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 404 | |
d9f88705 | 405 | if (kthread_should_stop()) { |
7919b89c | 406 | lbs_deb_thread("break from main thread\n"); |
876c9d3a MT |
407 | break; |
408 | } | |
409 | ||
d9f88705 DW |
410 | if (priv->surpriseremoved) { |
411 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
412 | continue; | |
413 | } | |
876c9d3a | 414 | |
7919b89c HS |
415 | lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", |
416 | priv->currenttxskb, priv->dnld_sent); | |
59f3e4bf | 417 | |
7919b89c | 418 | /* Process any pending command response */ |
a01f5450 | 419 | spin_lock_irq(&priv->driver_lock); |
7919b89c HS |
420 | resp_idx = priv->resp_idx; |
421 | if (priv->resp_len[resp_idx]) { | |
aa21c004 | 422 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
423 | lbs_process_command_response(priv, |
424 | priv->resp_buf[resp_idx], | |
425 | priv->resp_len[resp_idx]); | |
aa21c004 | 426 | spin_lock_irq(&priv->driver_lock); |
7919b89c | 427 | priv->resp_len[resp_idx] = 0; |
876c9d3a | 428 | } |
7919b89c | 429 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 430 | |
49125454 AK |
431 | /* Process hardware events, e.g. card removed, link lost */ |
432 | spin_lock_irq(&priv->driver_lock); | |
e64c026d | 433 | while (kfifo_len(&priv->event_fifo)) { |
49125454 | 434 | u32 event; |
7acd72eb | 435 | |
9842c38e SS |
436 | if (kfifo_out(&priv->event_fifo, |
437 | (unsigned char *) &event, sizeof(event)) != | |
438 | sizeof(event)) | |
439 | break; | |
49125454 AK |
440 | spin_unlock_irq(&priv->driver_lock); |
441 | lbs_process_event(priv, event); | |
442 | spin_lock_irq(&priv->driver_lock); | |
443 | } | |
444 | spin_unlock_irq(&priv->driver_lock); | |
445 | ||
446 | if (priv->wakeup_dev_required) { | |
447 | lbs_deb_thread("Waking up device...\n"); | |
448 | /* Wake up device */ | |
449 | if (priv->exit_deep_sleep(priv)) | |
450 | lbs_deb_thread("Wakeup device failed\n"); | |
451 | continue; | |
452 | } | |
453 | ||
7919b89c | 454 | /* command timeout stuff */ |
2a345099 DW |
455 | if (priv->cmd_timed_out && priv->cur_cmd) { |
456 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
457 | ||
40e6fa82 HS |
458 | lbs_pr_info("Timeout submitting command 0x%04x\n", |
459 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
460 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
461 | if (priv->reset_card) | |
462 | priv->reset_card(priv); | |
2a345099 DW |
463 | } |
464 | priv->cmd_timed_out = 0; | |
465 | ||
b15152a4 DW |
466 | if (!priv->fw_ready) |
467 | continue; | |
468 | ||
876c9d3a | 469 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
470 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
471 | !priv->dnld_sent && !priv->cur_cmd) { | |
472 | if (priv->connect_status == LBS_CONNECTED) { | |
7919b89c HS |
473 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
474 | "dnld_sent %d, cur_cmd %p\n", | |
475 | priv->currenttxskb, priv->dnld_sent, | |
476 | priv->cur_cmd); | |
59f3e4bf | 477 | |
d4ff0ef6 | 478 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
479 | } else { |
480 | /* workaround for firmware sending | |
481 | * deauth/linkloss event immediately | |
482 | * after sleep request; remove this | |
483 | * after firmware fixes it | |
484 | */ | |
aa21c004 | 485 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
486 | lbs_pr_alert("ignore PS_SleepConfirm in " |
487 | "non-connected state\n"); | |
876c9d3a MT |
488 | } |
489 | } | |
490 | ||
491 | /* The PS state is changed during processing of Sleep Request | |
492 | * event above | |
493 | */ | |
aa21c004 DW |
494 | if ((priv->psstate == PS_STATE_SLEEP) || |
495 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
496 | continue; |
497 | ||
49125454 AK |
498 | if (priv->is_deep_sleep) |
499 | continue; | |
500 | ||
876c9d3a | 501 | /* Execute the next command */ |
aa21c004 | 502 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 503 | lbs_execute_next_command(priv); |
876c9d3a | 504 | |
2eb188a1 DW |
505 | spin_lock_irq(&priv->driver_lock); |
506 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
507 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
508 | priv->tx_pending_buf, | |
509 | priv->tx_pending_len); | |
510 | if (ret) { | |
511 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
512 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
513 | } | |
514 | priv->tx_pending_len = 0; | |
515 | if (!priv->currenttxskb) { | |
516 | /* We can wake the queues immediately if we aren't | |
517 | waiting for TX feedback */ | |
518 | if (priv->connect_status == LBS_CONNECTED) | |
519 | netif_wake_queue(priv->dev); | |
520 | if (priv->mesh_dev && | |
602114ae | 521 | lbs_mesh_connected(priv)) |
2eb188a1 DW |
522 | netif_wake_queue(priv->mesh_dev); |
523 | } | |
524 | } | |
525 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
526 | } |
527 | ||
aa21c004 | 528 | del_timer(&priv->command_timer); |
49125454 | 529 | del_timer(&priv->auto_deepsleep_timer); |
876c9d3a | 530 | |
9012b28a | 531 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
532 | return 0; |
533 | } | |
534 | ||
ab25ecae DW |
535 | int lbs_suspend(struct lbs_private *priv) |
536 | { | |
ab25ecae DW |
537 | int ret; |
538 | ||
61d30020 HS |
539 | lbs_deb_enter(LBS_DEB_FW); |
540 | ||
66fceb69 AK |
541 | if (priv->is_deep_sleep) { |
542 | ret = lbs_set_deep_sleep(priv, 0); | |
543 | if (ret) { | |
544 | lbs_pr_err("deep sleep cancellation failed: %d\n", ret); | |
545 | return ret; | |
546 | } | |
547 | priv->deep_sleep_required = 1; | |
506e9025 DW |
548 | } |
549 | ||
1311843c | 550 | ret = lbs_set_host_sleep(priv, 1); |
7e226272 | 551 | |
66fceb69 AK |
552 | netif_device_detach(priv->dev); |
553 | if (priv->mesh_dev) | |
554 | netif_device_detach(priv->mesh_dev); | |
ab25ecae | 555 | |
61d30020 | 556 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
557 | return ret; |
558 | } | |
559 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
560 | ||
66fceb69 | 561 | int lbs_resume(struct lbs_private *priv) |
ab25ecae | 562 | { |
66fceb69 | 563 | int ret; |
61d30020 | 564 | |
66fceb69 | 565 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae | 566 | |
1311843c | 567 | ret = lbs_set_host_sleep(priv, 0); |
ab25ecae DW |
568 | |
569 | netif_device_attach(priv->dev); | |
570 | if (priv->mesh_dev) | |
571 | netif_device_attach(priv->mesh_dev); | |
572 | ||
66fceb69 AK |
573 | if (priv->deep_sleep_required) { |
574 | priv->deep_sleep_required = 0; | |
575 | ret = lbs_set_deep_sleep(priv, 1); | |
576 | if (ret) | |
577 | lbs_pr_err("deep sleep activation failed: %d\n", ret); | |
578 | } | |
579 | ||
580 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
581 | return ret; | |
ab25ecae DW |
582 | } |
583 | EXPORT_SYMBOL_GPL(lbs_resume); | |
584 | ||
1df4e8fe | 585 | /** |
b4836599 CM |
586 | * @brief This function gets the HW spec from the firmware and sets |
587 | * some basic parameters. | |
1df4e8fe | 588 | * |
69f9032d | 589 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
590 | * @return 0 or -1 |
591 | */ | |
69f9032d | 592 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
593 | { |
594 | int ret = -1; | |
87c8c72d | 595 | s16 curlevel = 0, minlevel = 0, maxlevel = 0; |
1df4e8fe HS |
596 | |
597 | lbs_deb_enter(LBS_DEB_FW); | |
598 | ||
87c8c72d | 599 | /* Read MAC address from firmware */ |
aa21c004 | 600 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 601 | ret = lbs_update_hw_spec(priv); |
ef85ad54 | 602 | if (ret) |
1df4e8fe | 603 | goto done; |
1df4e8fe | 604 | |
87c8c72d DW |
605 | /* Read power levels if available */ |
606 | ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel); | |
607 | if (ret == 0) { | |
608 | priv->txpower_cur = curlevel; | |
609 | priv->txpower_min = minlevel; | |
610 | priv->txpower_max = maxlevel; | |
611 | } | |
612 | ||
1047d5ed KD |
613 | /* Send cmd to FW to enable 11D function */ |
614 | ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1); | |
615 | ||
d9e9778c | 616 | lbs_set_mac_control(priv); |
1df4e8fe HS |
617 | done: |
618 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
619 | return ret; | |
620 | } | |
621 | ||
1df4e8fe HS |
622 | /** |
623 | * This function handles the timeout of command sending. | |
624 | * It will re-send the same command again. | |
625 | */ | |
40e6fa82 | 626 | static void lbs_cmd_timeout_handler(unsigned long data) |
1df4e8fe | 627 | { |
69f9032d | 628 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
629 | unsigned long flags; |
630 | ||
61d30020 | 631 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 632 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 633 | |
57962f0b | 634 | if (!priv->cur_cmd) |
2a345099 | 635 | goto out; |
1df4e8fe | 636 | |
57962f0b HS |
637 | lbs_pr_info("command 0x%04x timed out\n", |
638 | le16_to_cpu(priv->cur_cmd->cmdbuf->command)); | |
1df4e8fe | 639 | |
2a345099 | 640 | priv->cmd_timed_out = 1; |
1df4e8fe | 641 | wake_up_interruptible(&priv->waitq); |
61d30020 | 642 | out: |
2a345099 | 643 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 644 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
645 | } |
646 | ||
49125454 AK |
647 | /** |
648 | * This function put the device back to deep sleep mode when timer expires | |
649 | * and no activity (command, event, data etc.) is detected. | |
650 | */ | |
651 | static void auto_deepsleep_timer_fn(unsigned long data) | |
652 | { | |
653 | struct lbs_private *priv = (struct lbs_private *)data; | |
49125454 AK |
654 | |
655 | lbs_deb_enter(LBS_DEB_CMD); | |
656 | ||
657 | if (priv->is_activity_detected) { | |
658 | priv->is_activity_detected = 0; | |
659 | } else { | |
660 | if (priv->is_auto_deep_sleep_enabled && | |
53800f5d DW |
661 | (!priv->wakeup_dev_required) && |
662 | (priv->connect_status != LBS_CONNECTED)) { | |
663 | struct cmd_header cmd; | |
664 | ||
49125454 | 665 | lbs_deb_main("Entering auto deep sleep mode...\n"); |
53800f5d DW |
666 | memset(&cmd, 0, sizeof(cmd)); |
667 | cmd.size = cpu_to_le16(sizeof(cmd)); | |
668 | lbs_cmd_async(priv, CMD_802_11_DEEP_SLEEP, &cmd, | |
669 | sizeof(cmd)); | |
49125454 AK |
670 | } |
671 | } | |
672 | mod_timer(&priv->auto_deepsleep_timer , jiffies + | |
673 | (priv->auto_deep_sleep_timeout * HZ)/1000); | |
674 | lbs_deb_leave(LBS_DEB_CMD); | |
675 | } | |
676 | ||
677 | int lbs_enter_auto_deep_sleep(struct lbs_private *priv) | |
678 | { | |
679 | lbs_deb_enter(LBS_DEB_SDIO); | |
680 | ||
681 | priv->is_auto_deep_sleep_enabled = 1; | |
682 | if (priv->is_deep_sleep) | |
683 | priv->wakeup_dev_required = 1; | |
684 | mod_timer(&priv->auto_deepsleep_timer , | |
685 | jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000); | |
686 | ||
687 | lbs_deb_leave(LBS_DEB_SDIO); | |
688 | return 0; | |
689 | } | |
690 | ||
691 | int lbs_exit_auto_deep_sleep(struct lbs_private *priv) | |
692 | { | |
693 | lbs_deb_enter(LBS_DEB_SDIO); | |
694 | ||
695 | priv->is_auto_deep_sleep_enabled = 0; | |
696 | priv->auto_deep_sleep_timeout = 0; | |
697 | del_timer(&priv->auto_deepsleep_timer); | |
698 | ||
699 | lbs_deb_leave(LBS_DEB_SDIO); | |
700 | return 0; | |
701 | } | |
702 | ||
69f9032d | 703 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 704 | { |
e86dc1ca | 705 | int ret; |
1df4e8fe | 706 | |
61d30020 HS |
707 | lbs_deb_enter(LBS_DEB_MAIN); |
708 | ||
aa21c004 | 709 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 710 | |
aa21c004 | 711 | priv->connect_status = LBS_DISCONNECTED; |
c14951fe | 712 | priv->channel = DEFAULT_AD_HOC_CHANNEL; |
d9e9778c | 713 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
d5db2dfa | 714 | priv->radio_on = 1; |
aa21c004 DW |
715 | priv->psmode = LBS802_11POWERMODECAM; |
716 | priv->psstate = PS_STATE_FULL_POWER; | |
49125454 AK |
717 | priv->is_deep_sleep = 0; |
718 | priv->is_auto_deep_sleep_enabled = 0; | |
66fceb69 | 719 | priv->deep_sleep_required = 0; |
49125454 AK |
720 | priv->wakeup_dev_required = 0; |
721 | init_waitqueue_head(&priv->ds_awake_q); | |
921ca03c | 722 | priv->authtype_auto = 1; |
66fceb69 AK |
723 | priv->is_host_sleep_configured = 0; |
724 | priv->is_host_sleep_activated = 0; | |
725 | init_waitqueue_head(&priv->host_sleep_q); | |
aa21c004 | 726 | mutex_init(&priv->lock); |
1df4e8fe | 727 | |
40e6fa82 | 728 | setup_timer(&priv->command_timer, lbs_cmd_timeout_handler, |
61d30020 | 729 | (unsigned long)priv); |
49125454 AK |
730 | setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn, |
731 | (unsigned long)priv); | |
1df4e8fe | 732 | |
aa21c004 DW |
733 | INIT_LIST_HEAD(&priv->cmdfreeq); |
734 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 735 | |
aa21c004 | 736 | spin_lock_init(&priv->driver_lock); |
1df4e8fe | 737 | |
954ee164 | 738 | /* Allocate the command buffers */ |
10078321 | 739 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 | 740 | lbs_pr_err("Out of memory allocating command buffers\n"); |
7919b89c HS |
741 | ret = -ENOMEM; |
742 | goto out; | |
743 | } | |
744 | priv->resp_idx = 0; | |
745 | priv->resp_len[0] = priv->resp_len[1] = 0; | |
746 | ||
747 | /* Create the event FIFO */ | |
c1e13f25 | 748 | ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL); |
45465487 | 749 | if (ret) { |
7919b89c | 750 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); |
7919b89c | 751 | goto out; |
954ee164 | 752 | } |
1df4e8fe | 753 | |
954ee164 | 754 | out: |
61d30020 HS |
755 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
756 | ||
954ee164 DW |
757 | return ret; |
758 | } | |
1df4e8fe | 759 | |
69f9032d | 760 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 761 | { |
61d30020 | 762 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 763 | |
61d30020 | 764 | lbs_free_cmd_buffer(priv); |
45465487 | 765 | kfifo_free(&priv->event_fifo); |
aa21c004 | 766 | del_timer(&priv->command_timer); |
49125454 | 767 | del_timer(&priv->auto_deepsleep_timer); |
61d30020 HS |
768 | |
769 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
770 | } |
771 | ||
f02abf10 SH |
772 | static const struct net_device_ops lbs_netdev_ops = { |
773 | .ndo_open = lbs_dev_open, | |
774 | .ndo_stop = lbs_eth_stop, | |
775 | .ndo_start_xmit = lbs_hard_start_xmit, | |
776 | .ndo_set_mac_address = lbs_set_mac_address, | |
777 | .ndo_tx_timeout = lbs_tx_timeout, | |
778 | .ndo_set_multicast_list = lbs_set_multicast_list, | |
779 | .ndo_change_mtu = eth_change_mtu, | |
780 | .ndo_validate_addr = eth_validate_addr, | |
781 | }; | |
782 | ||
876c9d3a MT |
783 | /** |
784 | * @brief This function adds the card. it will probe the | |
10078321 | 785 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
786 | * |
787 | * @param card A pointer to card | |
69f9032d | 788 | * @return A pointer to struct lbs_private structure |
876c9d3a | 789 | */ |
69f9032d | 790 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a | 791 | { |
ff9fc791 HS |
792 | struct net_device *dev; |
793 | struct wireless_dev *wdev; | |
69f9032d | 794 | struct lbs_private *priv = NULL; |
876c9d3a | 795 | |
61d30020 | 796 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
797 | |
798 | /* Allocate an Ethernet device and register it */ | |
ff9fc791 HS |
799 | wdev = lbs_cfg_alloc(dmdev); |
800 | if (IS_ERR(wdev)) { | |
801 | lbs_pr_err("cfg80211 init failed\n"); | |
954ee164 | 802 | goto done; |
876c9d3a | 803 | } |
e86dc1ca | 804 | |
ff9fc791 HS |
805 | wdev->iftype = NL80211_IFTYPE_STATION; |
806 | priv = wdev_priv(wdev); | |
807 | priv->wdev = wdev; | |
876c9d3a | 808 | |
10078321 | 809 | if (lbs_init_adapter(priv)) { |
954ee164 | 810 | lbs_pr_err("failed to initialize adapter structure.\n"); |
ff9fc791 HS |
811 | goto err_wdev; |
812 | } | |
813 | ||
ff9fc791 HS |
814 | dev = alloc_netdev(0, "wlan%d", ether_setup); |
815 | if (!dev) { | |
816 | dev_err(dmdev, "no memory for network device instance\n"); | |
817 | goto err_adapter; | |
954ee164 DW |
818 | } |
819 | ||
ff9fc791 HS |
820 | dev->ieee80211_ptr = wdev; |
821 | dev->ml_priv = priv; | |
822 | SET_NETDEV_DEV(dev, dmdev); | |
823 | wdev->netdev = dev; | |
634b8f49 | 824 | priv->dev = dev; |
876c9d3a | 825 | |
f02abf10 | 826 | dev->netdev_ops = &lbs_netdev_ops; |
fb3dddf2 | 827 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 828 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 829 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
876c9d3a | 830 | |
ff9fc791 | 831 | priv->card = card; |
7732ca45 | 832 | |
c00552c6 | 833 | strcpy(dev->name, "wlan%d"); |
954ee164 DW |
834 | |
835 | lbs_deb_thread("Starting main thread...\n"); | |
836 | init_waitqueue_head(&priv->waitq); | |
10078321 | 837 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
838 | if (IS_ERR(priv->main_thread)) { |
839 | lbs_deb_thread("Error creating main thread.\n"); | |
ff9fc791 | 840 | goto err_ndev; |
954ee164 DW |
841 | } |
842 | ||
10078321 | 843 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
75bf45a7 | 844 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); |
23a397ac | 845 | |
506e9025 DW |
846 | priv->wol_criteria = 0xffffffff; |
847 | priv->wol_gpio = 0xff; | |
66fceb69 | 848 | priv->wol_gap = 20; |
506e9025 | 849 | |
32a74b7c HS |
850 | goto done; |
851 | ||
ff9fc791 | 852 | err_ndev: |
32a74b7c | 853 | free_netdev(dev); |
ff9fc791 HS |
854 | |
855 | err_adapter: | |
856 | lbs_free_adapter(priv); | |
857 | ||
858 | err_wdev: | |
859 | lbs_cfg_free(priv); | |
860 | ||
6a812157 | 861 | priv = NULL; |
954ee164 | 862 | |
32a74b7c | 863 | done: |
61d30020 | 864 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
865 | return priv; |
866 | } | |
10078321 | 867 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 868 | |
954ee164 | 869 | |
a63e5cb2 | 870 | void lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 871 | { |
634b8f49 | 872 | struct net_device *dev = priv->dev; |
32a74b7c HS |
873 | |
874 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 875 | |
23a397ac | 876 | lbs_remove_mesh(priv); |
e86dc1ca | 877 | lbs_scan_deinit(priv); |
876c9d3a | 878 | |
954ee164 | 879 | dev = priv->dev; |
2afc0c5d | 880 | |
75bf45a7 | 881 | cancel_work_sync(&priv->mcast_work); |
71b35f3a DW |
882 | |
883 | /* worker thread destruction blocks on the in-flight command which | |
884 | * should have been cleared already in lbs_stop_card(). | |
885 | */ | |
886 | lbs_deb_main("destroying worker thread\n"); | |
954ee164 | 887 | destroy_workqueue(priv->work_thread); |
71b35f3a | 888 | lbs_deb_main("done destroying worker thread\n"); |
876c9d3a | 889 | |
aa21c004 DW |
890 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
891 | priv->psmode = LBS802_11POWERMODECAM; | |
0bb64087 | 892 | lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true); |
876c9d3a MT |
893 | } |
894 | ||
49125454 AK |
895 | if (priv->is_deep_sleep) { |
896 | priv->is_deep_sleep = 0; | |
897 | wake_up_interruptible(&priv->ds_awake_q); | |
898 | } | |
899 | ||
66fceb69 AK |
900 | priv->is_host_sleep_configured = 0; |
901 | priv->is_host_sleep_activated = 0; | |
902 | wake_up_interruptible(&priv->host_sleep_q); | |
903 | ||
954ee164 | 904 | /* Stop the thread servicing the interrupts */ |
aa21c004 | 905 | priv->surpriseremoved = 1; |
954ee164 DW |
906 | kthread_stop(priv->main_thread); |
907 | ||
10078321 | 908 | lbs_free_adapter(priv); |
ff9fc791 | 909 | lbs_cfg_free(priv); |
954ee164 DW |
910 | |
911 | priv->dev = NULL; | |
912 | free_netdev(dev); | |
913 | ||
914 | lbs_deb_leave(LBS_DEB_MAIN); | |
954ee164 | 915 | } |
10078321 | 916 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
917 | |
918 | ||
e86dc1ca | 919 | int lbs_rtap_supported(struct lbs_private *priv) |
cd74468b HS |
920 | { |
921 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) | |
922 | return 1; | |
923 | ||
924 | /* newer firmware use a capability mask */ | |
925 | return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
926 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)); | |
927 | } | |
928 | ||
929 | ||
69f9032d | 930 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
931 | { |
932 | struct net_device *dev = priv->dev; | |
933 | int ret = -1; | |
934 | ||
935 | lbs_deb_enter(LBS_DEB_MAIN); | |
936 | ||
937 | /* poke the firmware */ | |
10078321 | 938 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
939 | if (ret) |
940 | goto done; | |
941 | ||
ff9fc791 HS |
942 | if (lbs_cfg_register(priv)) { |
943 | lbs_pr_err("cannot register device\n"); | |
954ee164 | 944 | goto done; |
876c9d3a | 945 | } |
020f3d00 | 946 | |
020f3d00 | 947 | lbs_update_channel(priv); |
020f3d00 | 948 | |
cd74468b HS |
949 | lbs_init_mesh(priv); |
950 | ||
10078321 | 951 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 952 | |
954ee164 DW |
953 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
954 | ||
32a74b7c | 955 | ret = 0; |
876c9d3a | 956 | |
32a74b7c | 957 | done: |
954ee164 DW |
958 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
959 | return ret; | |
960 | } | |
10078321 | 961 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
962 | |
963 | ||
a63e5cb2 | 964 | void lbs_stop_card(struct lbs_private *priv) |
954ee164 | 965 | { |
43baa5bb | 966 | struct net_device *dev; |
954ee164 DW |
967 | struct cmd_ctrl_node *cmdnode; |
968 | unsigned long flags; | |
969 | ||
970 | lbs_deb_enter(LBS_DEB_MAIN); | |
971 | ||
652e3f20 HS |
972 | if (!priv) |
973 | goto out; | |
43baa5bb | 974 | dev = priv->dev; |
652e3f20 | 975 | |
43baa5bb JL |
976 | netif_stop_queue(dev); |
977 | netif_carrier_off(dev); | |
954ee164 | 978 | |
10078321 | 979 | lbs_debugfs_remove_one(priv); |
cd74468b HS |
980 | lbs_deinit_mesh(priv); |
981 | ||
71b35f3a | 982 | /* Delete the timeout of the currently processing command */ |
652e3f20 | 983 | del_timer_sync(&priv->command_timer); |
49125454 | 984 | del_timer_sync(&priv->auto_deepsleep_timer); |
71b35f3a DW |
985 | |
986 | /* Flush pending command nodes */ | |
aa21c004 | 987 | spin_lock_irqsave(&priv->driver_lock, flags); |
71b35f3a | 988 | lbs_deb_main("clearing pending commands\n"); |
aa21c004 | 989 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { |
ae125bf8 | 990 | cmdnode->result = -ENOENT; |
954ee164 DW |
991 | cmdnode->cmdwaitqwoken = 1; |
992 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
993 | } | |
71b35f3a DW |
994 | |
995 | /* Flush the command the card is currently processing */ | |
996 | if (priv->cur_cmd) { | |
997 | lbs_deb_main("clearing current command\n"); | |
998 | priv->cur_cmd->result = -ENOENT; | |
999 | priv->cur_cmd->cmdwaitqwoken = 1; | |
1000 | wake_up_interruptible(&priv->cur_cmd->cmdwait_q); | |
1001 | } | |
1002 | lbs_deb_main("done clearing commands\n"); | |
aa21c004 | 1003 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1004 | |
1005 | unregister_netdev(dev); | |
1006 | ||
652e3f20 | 1007 | out: |
a63e5cb2 | 1008 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a | 1009 | } |
10078321 | 1010 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1011 | |
876c9d3a | 1012 | |
7919b89c HS |
1013 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1014 | { | |
1015 | unsigned long flags; | |
1016 | ||
1017 | lbs_deb_enter(LBS_DEB_THREAD); | |
1018 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1019 | ||
1020 | if (priv->psstate == PS_STATE_SLEEP) | |
1021 | priv->psstate = PS_STATE_AWAKE; | |
1022 | ||
7acd72eb | 1023 | kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32)); |
7919b89c HS |
1024 | |
1025 | wake_up_interruptible(&priv->waitq); | |
1026 | ||
1027 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1028 | lbs_deb_leave(LBS_DEB_THREAD); | |
1029 | } | |
1030 | EXPORT_SYMBOL_GPL(lbs_queue_event); | |
1031 | ||
1032 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) | |
876c9d3a | 1033 | { |
ed37b516 | 1034 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1035 | |
4f679496 | 1036 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1037 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
1038 | |
1039 | /* Swap buffers by flipping the response index */ | |
1040 | BUG_ON(resp_idx > 1); | |
1041 | priv->resp_idx = resp_idx; | |
1042 | ||
fe336150 | 1043 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1044 | |
ed37b516 | 1045 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1046 | } |
7919b89c | 1047 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
876c9d3a | 1048 | |
4fb910fd | 1049 | static int __init lbs_init_module(void) |
876c9d3a | 1050 | { |
9012b28a | 1051 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1052 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1053 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1054 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
0bb64087 | 1055 | confirm_sleep.action = cpu_to_le16(PS_MODE_ACTION_SLEEP_CONFIRMED); |
10078321 | 1056 | lbs_debugfs_init(); |
084708b6 HS |
1057 | lbs_deb_leave(LBS_DEB_MAIN); |
1058 | return 0; | |
876c9d3a MT |
1059 | } |
1060 | ||
4fb910fd | 1061 | static void __exit lbs_exit_module(void) |
876c9d3a | 1062 | { |
9012b28a | 1063 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1064 | lbs_debugfs_remove(); |
9012b28a | 1065 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1066 | } |
1067 | ||
10078321 HS |
1068 | module_init(lbs_init_module); |
1069 | module_exit(lbs_exit_module); | |
876c9d3a | 1070 | |
084708b6 | 1071 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1072 | MODULE_AUTHOR("Marvell International Ltd."); |
1073 | MODULE_LICENSE("GPL"); |