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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); |
2e30168b | 107 | priv->stopping = false; |
876c9d3a | 108 | |
e0e42da3 HS |
109 | if (priv->connect_status == LBS_CONNECTED) |
110 | netif_carrier_on(dev); | |
111 | else | |
112 | netif_carrier_off(dev); | |
876c9d3a | 113 | |
8552855f DW |
114 | if (!priv->tx_pending_len) |
115 | netif_wake_queue(dev); | |
876c9d3a | 116 | |
8552855f | 117 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 118 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 119 | return ret; |
876c9d3a MT |
120 | } |
121 | ||
876c9d3a MT |
122 | /** |
123 | * @brief This function closes the ethX interface | |
124 | * | |
125 | * @param dev A pointer to net_device structure | |
126 | * @return 0 | |
127 | */ | |
8552855f | 128 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 129 | { |
ab65f649 | 130 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 131 | |
61d30020 | 132 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 133 | |
61d30020 | 134 | spin_lock_irq(&priv->driver_lock); |
2e30168b | 135 | priv->stopping = true; |
8552855f | 136 | netif_stop_queue(dev); |
8552855f | 137 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 138 | |
75bf45a7 | 139 | schedule_work(&priv->mcast_work); |
2e30168b DD |
140 | cancel_delayed_work_sync(&priv->scan_work); |
141 | if (priv->scan_req) { | |
142 | cfg80211_scan_done(priv->scan_req, false); | |
143 | priv->scan_req = NULL; | |
144 | } | |
75bf45a7 | 145 | |
61d30020 | 146 | lbs_deb_leave(LBS_DEB_NET); |
8552855f | 147 | return 0; |
876c9d3a MT |
148 | } |
149 | ||
10078321 | 150 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 151 | { |
ab65f649 | 152 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 153 | |
9012b28a | 154 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 155 | |
9012b28a | 156 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 157 | |
1ae5dc34 | 158 | dev->trans_start = jiffies; /* prevent tx timeout */ |
876c9d3a | 159 | |
7919b89c HS |
160 | if (priv->currenttxskb) |
161 | lbs_send_tx_feedback(priv, 0); | |
162 | ||
a63b22bb DW |
163 | /* XX: Shouldn't we also call into the hw-specific driver |
164 | to kick it somehow? */ | |
165 | lbs_host_to_card_done(priv); | |
876c9d3a | 166 | |
9fb7663d | 167 | /* FIXME: reset the card */ |
354eca98 | 168 | |
9012b28a | 169 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
170 | } |
171 | ||
e775ed7c DW |
172 | void lbs_host_to_card_done(struct lbs_private *priv) |
173 | { | |
a63b22bb DW |
174 | unsigned long flags; |
175 | ||
61d30020 HS |
176 | lbs_deb_enter(LBS_DEB_THREAD); |
177 | ||
a63b22bb | 178 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
179 | |
180 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
181 | ||
182 | /* Wake main thread if commands are pending */ | |
49125454 AK |
183 | if (!priv->cur_cmd || priv->tx_pending_len > 0) { |
184 | if (!priv->wakeup_dev_required) | |
185 | wake_up_interruptible(&priv->waitq); | |
186 | } | |
e775ed7c | 187 | |
a63b22bb | 188 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 189 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
190 | } |
191 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
192 | ||
e0e42da3 | 193 | int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
194 | { |
195 | int ret = 0; | |
ab65f649 | 196 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 197 | struct sockaddr *phwaddr = addr; |
2af9f039 | 198 | struct cmd_ds_802_11_mac_address cmd; |
876c9d3a | 199 | |
9012b28a | 200 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 201 | |
0a0d08ac | 202 | /* In case it was called from the mesh device */ |
2af9f039 | 203 | dev = priv->dev; |
0a0d08ac | 204 | |
2af9f039 HS |
205 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
206 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
207 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); | |
876c9d3a | 208 | |
2af9f039 | 209 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
876c9d3a | 210 | if (ret) { |
9012b28a | 211 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
212 | goto done; |
213 | } | |
214 | ||
2af9f039 HS |
215 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
216 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); | |
78523daa | 217 | if (priv->mesh_dev) |
2af9f039 | 218 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
219 | |
220 | done: | |
9012b28a | 221 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
222 | return ret; |
223 | } | |
224 | ||
75bf45a7 DW |
225 | |
226 | static inline int mac_in_list(unsigned char *list, int list_len, | |
227 | unsigned char *mac) | |
876c9d3a | 228 | { |
75bf45a7 DW |
229 | while (list_len) { |
230 | if (!memcmp(list, mac, ETH_ALEN)) | |
231 | return 1; | |
232 | list += ETH_ALEN; | |
233 | list_len--; | |
234 | } | |
235 | return 0; | |
236 | } | |
237 | ||
876c9d3a | 238 | |
75bf45a7 DW |
239 | static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, |
240 | struct net_device *dev, int nr_addrs) | |
241 | { | |
242 | int i = nr_addrs; | |
22bedad3 | 243 | struct netdev_hw_addr *ha; |
655ffee2 | 244 | int cnt; |
75bf45a7 DW |
245 | |
246 | if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST)) | |
247 | return nr_addrs; | |
248 | ||
b9e40857 | 249 | netif_addr_lock_bh(dev); |
655ffee2 | 250 | cnt = netdev_mc_count(dev); |
22bedad3 JP |
251 | netdev_for_each_mc_addr(ha, dev) { |
252 | if (mac_in_list(cmd->maclist, nr_addrs, ha->addr)) { | |
e174961c | 253 | lbs_deb_net("mcast address %s:%pM skipped\n", dev->name, |
22bedad3 | 254 | ha->addr); |
655ffee2 | 255 | cnt--; |
75bf45a7 DW |
256 | continue; |
257 | } | |
876c9d3a | 258 | |
75bf45a7 DW |
259 | if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE) |
260 | break; | |
22bedad3 | 261 | memcpy(&cmd->maclist[6*i], ha->addr, ETH_ALEN); |
e174961c | 262 | lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name, |
22bedad3 | 263 | ha->addr); |
75bf45a7 | 264 | i++; |
655ffee2 | 265 | cnt--; |
876c9d3a | 266 | } |
b9e40857 | 267 | netif_addr_unlock_bh(dev); |
655ffee2 | 268 | if (cnt) |
75bf45a7 DW |
269 | return -EOVERFLOW; |
270 | ||
876c9d3a | 271 | return i; |
876c9d3a MT |
272 | } |
273 | ||
75bf45a7 | 274 | static void lbs_set_mcast_worker(struct work_struct *work) |
876c9d3a | 275 | { |
75bf45a7 DW |
276 | struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); |
277 | struct cmd_ds_mac_multicast_adr mcast_cmd; | |
278 | int dev_flags; | |
279 | int nr_addrs; | |
280 | int old_mac_control = priv->mac_control; | |
876c9d3a | 281 | |
9012b28a | 282 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 283 | |
75bf45a7 DW |
284 | dev_flags = priv->dev->flags; |
285 | if (priv->mesh_dev) | |
286 | dev_flags |= priv->mesh_dev->flags; | |
287 | ||
288 | if (dev_flags & IFF_PROMISC) { | |
289 | priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE; | |
290 | priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | | |
291 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
292 | goto out_set_mac_control; | |
293 | } else if (dev_flags & IFF_ALLMULTI) { | |
294 | do_allmulti: | |
295 | priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE; | |
296 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
297 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
298 | goto out_set_mac_control; | |
876c9d3a MT |
299 | } |
300 | ||
75bf45a7 DW |
301 | /* Once for priv->dev, again for priv->mesh_dev if it exists */ |
302 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0); | |
303 | if (nr_addrs >= 0 && priv->mesh_dev) | |
304 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs); | |
305 | if (nr_addrs < 0) | |
306 | goto do_allmulti; | |
307 | ||
308 | if (nr_addrs) { | |
309 | int size = offsetof(struct cmd_ds_mac_multicast_adr, | |
310 | maclist[6*nr_addrs]); | |
311 | ||
312 | mcast_cmd.action = cpu_to_le16(CMD_ACT_SET); | |
313 | mcast_cmd.hdr.size = cpu_to_le16(size); | |
314 | mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs); | |
315 | ||
316 | lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size); | |
317 | ||
318 | priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE; | |
319 | } else | |
320 | priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE; | |
321 | ||
322 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
323 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE); | |
324 | out_set_mac_control: | |
d9e9778c HS |
325 | if (priv->mac_control != old_mac_control) |
326 | lbs_set_mac_control(priv); | |
876c9d3a | 327 | |
9012b28a | 328 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
329 | } |
330 | ||
e0e42da3 | 331 | void lbs_set_multicast_list(struct net_device *dev) |
75bf45a7 | 332 | { |
ab65f649 | 333 | struct lbs_private *priv = dev->ml_priv; |
75bf45a7 DW |
334 | |
335 | schedule_work(&priv->mcast_work); | |
336 | } | |
337 | ||
876c9d3a | 338 | /** |
10078321 | 339 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
340 | * It handles all events generated by firmware, RX data received |
341 | * from firmware and TX data sent from kernel. | |
876c9d3a | 342 | * |
10078321 | 343 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
344 | * @return 0 |
345 | */ | |
10078321 | 346 | static int lbs_thread(void *data) |
876c9d3a | 347 | { |
fe336150 | 348 | struct net_device *dev = data; |
ab65f649 | 349 | struct lbs_private *priv = dev->ml_priv; |
876c9d3a | 350 | wait_queue_t wait; |
876c9d3a | 351 | |
9012b28a | 352 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 353 | |
876c9d3a MT |
354 | init_waitqueue_entry(&wait, current); |
355 | ||
356 | for (;;) { | |
b8d40bc9 | 357 | int shouldsleep; |
7919b89c | 358 | u8 resp_idx; |
b8d40bc9 | 359 | |
7919b89c HS |
360 | lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n", |
361 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 362 | |
fe336150 | 363 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 364 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 365 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 366 | |
d9f88705 | 367 | if (kthread_should_stop()) |
b8d40bc9 | 368 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
369 | else if (priv->surpriseremoved) |
370 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
371 | else if (priv->psstate == PS_STATE_SLEEP) |
372 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
2a345099 DW |
373 | else if (priv->cmd_timed_out) |
374 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
375 | else if (!priv->fw_ready) |
376 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
377 | else if (priv->dnld_sent) |
378 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
379 | else if (priv->tx_pending_len > 0) |
380 | shouldsleep = 0; /* We've a packet to send */ | |
ef707b83 HS |
381 | else if (priv->resp_len[priv->resp_idx]) |
382 | shouldsleep = 0; /* We have a command response */ | |
b8d40bc9 DW |
383 | else if (priv->cur_cmd) |
384 | shouldsleep = 1; /* Can't send a command; one already running */ | |
49125454 AK |
385 | else if (!list_empty(&priv->cmdpendingq) && |
386 | !(priv->wakeup_dev_required)) | |
b8d40bc9 | 387 | shouldsleep = 0; /* We have a command to send */ |
e64c026d | 388 | else if (kfifo_len(&priv->event_fifo)) |
7919b89c | 389 | shouldsleep = 0; /* We have an event to process */ |
b8d40bc9 DW |
390 | else |
391 | shouldsleep = 1; /* No command */ | |
392 | ||
393 | if (shouldsleep) { | |
7919b89c | 394 | lbs_deb_thread("sleeping, connect_status %d, " |
5f505d90 | 395 | "psmode %d, psstate %d\n", |
7919b89c HS |
396 | priv->connect_status, |
397 | priv->psmode, priv->psstate); | |
aa21c004 | 398 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
399 | schedule(); |
400 | } else | |
aa21c004 | 401 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 402 | |
7919b89c HS |
403 | lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n", |
404 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
405 | |
406 | set_current_state(TASK_RUNNING); | |
fe336150 | 407 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 408 | |
7919b89c HS |
409 | lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n", |
410 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 411 | |
d9f88705 | 412 | if (kthread_should_stop()) { |
7919b89c | 413 | lbs_deb_thread("break from main thread\n"); |
876c9d3a MT |
414 | break; |
415 | } | |
416 | ||
d9f88705 DW |
417 | if (priv->surpriseremoved) { |
418 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
419 | continue; | |
420 | } | |
876c9d3a | 421 | |
7919b89c HS |
422 | lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", |
423 | priv->currenttxskb, priv->dnld_sent); | |
59f3e4bf | 424 | |
7919b89c | 425 | /* Process any pending command response */ |
a01f5450 | 426 | spin_lock_irq(&priv->driver_lock); |
7919b89c HS |
427 | resp_idx = priv->resp_idx; |
428 | if (priv->resp_len[resp_idx]) { | |
aa21c004 | 429 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
430 | lbs_process_command_response(priv, |
431 | priv->resp_buf[resp_idx], | |
432 | priv->resp_len[resp_idx]); | |
aa21c004 | 433 | spin_lock_irq(&priv->driver_lock); |
7919b89c | 434 | priv->resp_len[resp_idx] = 0; |
876c9d3a | 435 | } |
7919b89c | 436 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 437 | |
49125454 AK |
438 | /* Process hardware events, e.g. card removed, link lost */ |
439 | spin_lock_irq(&priv->driver_lock); | |
e64c026d | 440 | while (kfifo_len(&priv->event_fifo)) { |
49125454 | 441 | u32 event; |
7acd72eb | 442 | |
9842c38e SS |
443 | if (kfifo_out(&priv->event_fifo, |
444 | (unsigned char *) &event, sizeof(event)) != | |
445 | sizeof(event)) | |
446 | break; | |
49125454 AK |
447 | spin_unlock_irq(&priv->driver_lock); |
448 | lbs_process_event(priv, event); | |
449 | spin_lock_irq(&priv->driver_lock); | |
450 | } | |
451 | spin_unlock_irq(&priv->driver_lock); | |
452 | ||
453 | if (priv->wakeup_dev_required) { | |
454 | lbs_deb_thread("Waking up device...\n"); | |
455 | /* Wake up device */ | |
456 | if (priv->exit_deep_sleep(priv)) | |
457 | lbs_deb_thread("Wakeup device failed\n"); | |
458 | continue; | |
459 | } | |
460 | ||
7919b89c | 461 | /* command timeout stuff */ |
2a345099 DW |
462 | if (priv->cmd_timed_out && priv->cur_cmd) { |
463 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
464 | ||
40e6fa82 HS |
465 | lbs_pr_info("Timeout submitting command 0x%04x\n", |
466 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
467 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
468 | if (priv->reset_card) | |
469 | priv->reset_card(priv); | |
2a345099 DW |
470 | } |
471 | priv->cmd_timed_out = 0; | |
472 | ||
b15152a4 DW |
473 | if (!priv->fw_ready) |
474 | continue; | |
475 | ||
876c9d3a | 476 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
477 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
478 | !priv->dnld_sent && !priv->cur_cmd) { | |
479 | if (priv->connect_status == LBS_CONNECTED) { | |
7919b89c HS |
480 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
481 | "dnld_sent %d, cur_cmd %p\n", | |
482 | priv->currenttxskb, priv->dnld_sent, | |
483 | priv->cur_cmd); | |
59f3e4bf | 484 | |
d4ff0ef6 | 485 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
486 | } else { |
487 | /* workaround for firmware sending | |
488 | * deauth/linkloss event immediately | |
489 | * after sleep request; remove this | |
490 | * after firmware fixes it | |
491 | */ | |
aa21c004 | 492 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
493 | lbs_pr_alert("ignore PS_SleepConfirm in " |
494 | "non-connected state\n"); | |
876c9d3a MT |
495 | } |
496 | } | |
497 | ||
498 | /* The PS state is changed during processing of Sleep Request | |
499 | * event above | |
500 | */ | |
aa21c004 DW |
501 | if ((priv->psstate == PS_STATE_SLEEP) || |
502 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
503 | continue; |
504 | ||
49125454 AK |
505 | if (priv->is_deep_sleep) |
506 | continue; | |
507 | ||
876c9d3a | 508 | /* Execute the next command */ |
aa21c004 | 509 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 510 | lbs_execute_next_command(priv); |
876c9d3a | 511 | |
2eb188a1 DW |
512 | spin_lock_irq(&priv->driver_lock); |
513 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
514 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
515 | priv->tx_pending_buf, | |
516 | priv->tx_pending_len); | |
517 | if (ret) { | |
518 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
519 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
520 | } | |
521 | priv->tx_pending_len = 0; | |
522 | if (!priv->currenttxskb) { | |
523 | /* We can wake the queues immediately if we aren't | |
524 | waiting for TX feedback */ | |
525 | if (priv->connect_status == LBS_CONNECTED) | |
526 | netif_wake_queue(priv->dev); | |
527 | if (priv->mesh_dev && | |
602114ae | 528 | lbs_mesh_connected(priv)) |
2eb188a1 DW |
529 | netif_wake_queue(priv->mesh_dev); |
530 | } | |
531 | } | |
532 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
533 | } |
534 | ||
aa21c004 | 535 | del_timer(&priv->command_timer); |
49125454 | 536 | del_timer(&priv->auto_deepsleep_timer); |
876c9d3a | 537 | |
9012b28a | 538 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
539 | return 0; |
540 | } | |
541 | ||
ab25ecae DW |
542 | int lbs_suspend(struct lbs_private *priv) |
543 | { | |
ab25ecae DW |
544 | int ret; |
545 | ||
61d30020 HS |
546 | lbs_deb_enter(LBS_DEB_FW); |
547 | ||
66fceb69 AK |
548 | if (priv->is_deep_sleep) { |
549 | ret = lbs_set_deep_sleep(priv, 0); | |
550 | if (ret) { | |
551 | lbs_pr_err("deep sleep cancellation failed: %d\n", ret); | |
552 | return ret; | |
553 | } | |
554 | priv->deep_sleep_required = 1; | |
506e9025 DW |
555 | } |
556 | ||
1311843c | 557 | ret = lbs_set_host_sleep(priv, 1); |
7e226272 | 558 | |
66fceb69 AK |
559 | netif_device_detach(priv->dev); |
560 | if (priv->mesh_dev) | |
561 | netif_device_detach(priv->mesh_dev); | |
ab25ecae | 562 | |
61d30020 | 563 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
564 | return ret; |
565 | } | |
566 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
567 | ||
66fceb69 | 568 | int lbs_resume(struct lbs_private *priv) |
ab25ecae | 569 | { |
66fceb69 | 570 | int ret; |
61d30020 | 571 | |
66fceb69 | 572 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae | 573 | |
1311843c | 574 | ret = lbs_set_host_sleep(priv, 0); |
ab25ecae DW |
575 | |
576 | netif_device_attach(priv->dev); | |
577 | if (priv->mesh_dev) | |
578 | netif_device_attach(priv->mesh_dev); | |
579 | ||
66fceb69 AK |
580 | if (priv->deep_sleep_required) { |
581 | priv->deep_sleep_required = 0; | |
582 | ret = lbs_set_deep_sleep(priv, 1); | |
583 | if (ret) | |
584 | lbs_pr_err("deep sleep activation failed: %d\n", ret); | |
585 | } | |
586 | ||
587 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
588 | return ret; | |
ab25ecae DW |
589 | } |
590 | EXPORT_SYMBOL_GPL(lbs_resume); | |
591 | ||
1df4e8fe | 592 | /** |
b4836599 CM |
593 | * @brief This function gets the HW spec from the firmware and sets |
594 | * some basic parameters. | |
1df4e8fe | 595 | * |
69f9032d | 596 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
597 | * @return 0 or -1 |
598 | */ | |
69f9032d | 599 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
600 | { |
601 | int ret = -1; | |
87c8c72d | 602 | s16 curlevel = 0, minlevel = 0, maxlevel = 0; |
1df4e8fe HS |
603 | |
604 | lbs_deb_enter(LBS_DEB_FW); | |
605 | ||
87c8c72d | 606 | /* Read MAC address from firmware */ |
aa21c004 | 607 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 608 | ret = lbs_update_hw_spec(priv); |
ef85ad54 | 609 | if (ret) |
1df4e8fe | 610 | goto done; |
1df4e8fe | 611 | |
87c8c72d DW |
612 | /* Read power levels if available */ |
613 | ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel); | |
614 | if (ret == 0) { | |
615 | priv->txpower_cur = curlevel; | |
616 | priv->txpower_min = minlevel; | |
617 | priv->txpower_max = maxlevel; | |
618 | } | |
619 | ||
1047d5ed KD |
620 | /* Send cmd to FW to enable 11D function */ |
621 | ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1); | |
622 | ||
d9e9778c | 623 | lbs_set_mac_control(priv); |
1df4e8fe HS |
624 | done: |
625 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
626 | return ret; | |
627 | } | |
628 | ||
1df4e8fe HS |
629 | /** |
630 | * This function handles the timeout of command sending. | |
631 | * It will re-send the same command again. | |
632 | */ | |
40e6fa82 | 633 | static void lbs_cmd_timeout_handler(unsigned long data) |
1df4e8fe | 634 | { |
69f9032d | 635 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
636 | unsigned long flags; |
637 | ||
61d30020 | 638 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 639 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 640 | |
57962f0b | 641 | if (!priv->cur_cmd) |
2a345099 | 642 | goto out; |
1df4e8fe | 643 | |
57962f0b HS |
644 | lbs_pr_info("command 0x%04x timed out\n", |
645 | le16_to_cpu(priv->cur_cmd->cmdbuf->command)); | |
1df4e8fe | 646 | |
2a345099 | 647 | priv->cmd_timed_out = 1; |
1df4e8fe | 648 | wake_up_interruptible(&priv->waitq); |
61d30020 | 649 | out: |
2a345099 | 650 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 651 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
652 | } |
653 | ||
49125454 AK |
654 | /** |
655 | * This function put the device back to deep sleep mode when timer expires | |
656 | * and no activity (command, event, data etc.) is detected. | |
657 | */ | |
658 | static void auto_deepsleep_timer_fn(unsigned long data) | |
659 | { | |
660 | struct lbs_private *priv = (struct lbs_private *)data; | |
49125454 AK |
661 | |
662 | lbs_deb_enter(LBS_DEB_CMD); | |
663 | ||
664 | if (priv->is_activity_detected) { | |
665 | priv->is_activity_detected = 0; | |
666 | } else { | |
667 | if (priv->is_auto_deep_sleep_enabled && | |
53800f5d DW |
668 | (!priv->wakeup_dev_required) && |
669 | (priv->connect_status != LBS_CONNECTED)) { | |
670 | struct cmd_header cmd; | |
671 | ||
49125454 | 672 | lbs_deb_main("Entering auto deep sleep mode...\n"); |
53800f5d DW |
673 | memset(&cmd, 0, sizeof(cmd)); |
674 | cmd.size = cpu_to_le16(sizeof(cmd)); | |
675 | lbs_cmd_async(priv, CMD_802_11_DEEP_SLEEP, &cmd, | |
676 | sizeof(cmd)); | |
49125454 AK |
677 | } |
678 | } | |
679 | mod_timer(&priv->auto_deepsleep_timer , jiffies + | |
680 | (priv->auto_deep_sleep_timeout * HZ)/1000); | |
681 | lbs_deb_leave(LBS_DEB_CMD); | |
682 | } | |
683 | ||
684 | int lbs_enter_auto_deep_sleep(struct lbs_private *priv) | |
685 | { | |
686 | lbs_deb_enter(LBS_DEB_SDIO); | |
687 | ||
688 | priv->is_auto_deep_sleep_enabled = 1; | |
689 | if (priv->is_deep_sleep) | |
690 | priv->wakeup_dev_required = 1; | |
691 | mod_timer(&priv->auto_deepsleep_timer , | |
692 | jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000); | |
693 | ||
694 | lbs_deb_leave(LBS_DEB_SDIO); | |
695 | return 0; | |
696 | } | |
697 | ||
698 | int lbs_exit_auto_deep_sleep(struct lbs_private *priv) | |
699 | { | |
700 | lbs_deb_enter(LBS_DEB_SDIO); | |
701 | ||
702 | priv->is_auto_deep_sleep_enabled = 0; | |
703 | priv->auto_deep_sleep_timeout = 0; | |
704 | del_timer(&priv->auto_deepsleep_timer); | |
705 | ||
706 | lbs_deb_leave(LBS_DEB_SDIO); | |
707 | return 0; | |
708 | } | |
709 | ||
69f9032d | 710 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 711 | { |
e86dc1ca | 712 | int ret; |
1df4e8fe | 713 | |
61d30020 HS |
714 | lbs_deb_enter(LBS_DEB_MAIN); |
715 | ||
aa21c004 | 716 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 717 | |
aa21c004 | 718 | priv->connect_status = LBS_DISCONNECTED; |
c14951fe | 719 | priv->channel = DEFAULT_AD_HOC_CHANNEL; |
d9e9778c | 720 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
d5db2dfa | 721 | priv->radio_on = 1; |
aa21c004 DW |
722 | priv->psmode = LBS802_11POWERMODECAM; |
723 | priv->psstate = PS_STATE_FULL_POWER; | |
49125454 AK |
724 | priv->is_deep_sleep = 0; |
725 | priv->is_auto_deep_sleep_enabled = 0; | |
66fceb69 | 726 | priv->deep_sleep_required = 0; |
49125454 AK |
727 | priv->wakeup_dev_required = 0; |
728 | init_waitqueue_head(&priv->ds_awake_q); | |
cc026819 | 729 | init_waitqueue_head(&priv->scan_q); |
921ca03c | 730 | priv->authtype_auto = 1; |
66fceb69 AK |
731 | priv->is_host_sleep_configured = 0; |
732 | priv->is_host_sleep_activated = 0; | |
733 | init_waitqueue_head(&priv->host_sleep_q); | |
aa21c004 | 734 | mutex_init(&priv->lock); |
1df4e8fe | 735 | |
40e6fa82 | 736 | setup_timer(&priv->command_timer, lbs_cmd_timeout_handler, |
61d30020 | 737 | (unsigned long)priv); |
49125454 AK |
738 | setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn, |
739 | (unsigned long)priv); | |
1df4e8fe | 740 | |
aa21c004 DW |
741 | INIT_LIST_HEAD(&priv->cmdfreeq); |
742 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 743 | |
aa21c004 | 744 | spin_lock_init(&priv->driver_lock); |
1df4e8fe | 745 | |
954ee164 | 746 | /* Allocate the command buffers */ |
10078321 | 747 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 | 748 | lbs_pr_err("Out of memory allocating command buffers\n"); |
7919b89c HS |
749 | ret = -ENOMEM; |
750 | goto out; | |
751 | } | |
752 | priv->resp_idx = 0; | |
753 | priv->resp_len[0] = priv->resp_len[1] = 0; | |
754 | ||
755 | /* Create the event FIFO */ | |
c1e13f25 | 756 | ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL); |
45465487 | 757 | if (ret) { |
7919b89c | 758 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); |
7919b89c | 759 | goto out; |
954ee164 | 760 | } |
1df4e8fe | 761 | |
954ee164 | 762 | out: |
61d30020 HS |
763 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
764 | ||
954ee164 DW |
765 | return ret; |
766 | } | |
1df4e8fe | 767 | |
69f9032d | 768 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 769 | { |
61d30020 | 770 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 771 | |
61d30020 | 772 | lbs_free_cmd_buffer(priv); |
45465487 | 773 | kfifo_free(&priv->event_fifo); |
aa21c004 | 774 | del_timer(&priv->command_timer); |
49125454 | 775 | del_timer(&priv->auto_deepsleep_timer); |
61d30020 HS |
776 | |
777 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
778 | } |
779 | ||
f02abf10 SH |
780 | static const struct net_device_ops lbs_netdev_ops = { |
781 | .ndo_open = lbs_dev_open, | |
782 | .ndo_stop = lbs_eth_stop, | |
783 | .ndo_start_xmit = lbs_hard_start_xmit, | |
784 | .ndo_set_mac_address = lbs_set_mac_address, | |
785 | .ndo_tx_timeout = lbs_tx_timeout, | |
786 | .ndo_set_multicast_list = lbs_set_multicast_list, | |
787 | .ndo_change_mtu = eth_change_mtu, | |
788 | .ndo_validate_addr = eth_validate_addr, | |
789 | }; | |
790 | ||
876c9d3a MT |
791 | /** |
792 | * @brief This function adds the card. it will probe the | |
10078321 | 793 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
794 | * |
795 | * @param card A pointer to card | |
69f9032d | 796 | * @return A pointer to struct lbs_private structure |
876c9d3a | 797 | */ |
69f9032d | 798 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a | 799 | { |
ff9fc791 HS |
800 | struct net_device *dev; |
801 | struct wireless_dev *wdev; | |
69f9032d | 802 | struct lbs_private *priv = NULL; |
876c9d3a | 803 | |
61d30020 | 804 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
805 | |
806 | /* Allocate an Ethernet device and register it */ | |
ff9fc791 HS |
807 | wdev = lbs_cfg_alloc(dmdev); |
808 | if (IS_ERR(wdev)) { | |
809 | lbs_pr_err("cfg80211 init failed\n"); | |
954ee164 | 810 | goto done; |
876c9d3a | 811 | } |
e86dc1ca | 812 | |
ff9fc791 HS |
813 | wdev->iftype = NL80211_IFTYPE_STATION; |
814 | priv = wdev_priv(wdev); | |
815 | priv->wdev = wdev; | |
876c9d3a | 816 | |
10078321 | 817 | if (lbs_init_adapter(priv)) { |
954ee164 | 818 | lbs_pr_err("failed to initialize adapter structure.\n"); |
ff9fc791 HS |
819 | goto err_wdev; |
820 | } | |
821 | ||
ff9fc791 HS |
822 | dev = alloc_netdev(0, "wlan%d", ether_setup); |
823 | if (!dev) { | |
824 | dev_err(dmdev, "no memory for network device instance\n"); | |
825 | goto err_adapter; | |
954ee164 DW |
826 | } |
827 | ||
ff9fc791 HS |
828 | dev->ieee80211_ptr = wdev; |
829 | dev->ml_priv = priv; | |
830 | SET_NETDEV_DEV(dev, dmdev); | |
831 | wdev->netdev = dev; | |
634b8f49 | 832 | priv->dev = dev; |
876c9d3a | 833 | |
f02abf10 | 834 | dev->netdev_ops = &lbs_netdev_ops; |
fb3dddf2 | 835 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 836 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 837 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
876c9d3a | 838 | |
ff9fc791 | 839 | priv->card = card; |
7732ca45 | 840 | |
c00552c6 | 841 | strcpy(dev->name, "wlan%d"); |
954ee164 DW |
842 | |
843 | lbs_deb_thread("Starting main thread...\n"); | |
844 | init_waitqueue_head(&priv->waitq); | |
10078321 | 845 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
846 | if (IS_ERR(priv->main_thread)) { |
847 | lbs_deb_thread("Error creating main thread.\n"); | |
ff9fc791 | 848 | goto err_ndev; |
954ee164 DW |
849 | } |
850 | ||
10078321 | 851 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
75bf45a7 | 852 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); |
23a397ac | 853 | |
506e9025 DW |
854 | priv->wol_criteria = 0xffffffff; |
855 | priv->wol_gpio = 0xff; | |
66fceb69 | 856 | priv->wol_gap = 20; |
506e9025 | 857 | |
32a74b7c HS |
858 | goto done; |
859 | ||
ff9fc791 | 860 | err_ndev: |
32a74b7c | 861 | free_netdev(dev); |
ff9fc791 HS |
862 | |
863 | err_adapter: | |
864 | lbs_free_adapter(priv); | |
865 | ||
866 | err_wdev: | |
867 | lbs_cfg_free(priv); | |
868 | ||
6a812157 | 869 | priv = NULL; |
954ee164 | 870 | |
32a74b7c | 871 | done: |
61d30020 | 872 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
873 | return priv; |
874 | } | |
10078321 | 875 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 876 | |
954ee164 | 877 | |
a63e5cb2 | 878 | void lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 879 | { |
634b8f49 | 880 | struct net_device *dev = priv->dev; |
32a74b7c HS |
881 | |
882 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 883 | |
23a397ac | 884 | lbs_remove_mesh(priv); |
e86dc1ca | 885 | lbs_scan_deinit(priv); |
876c9d3a | 886 | |
954ee164 | 887 | dev = priv->dev; |
2afc0c5d | 888 | |
75bf45a7 | 889 | cancel_work_sync(&priv->mcast_work); |
71b35f3a DW |
890 | |
891 | /* worker thread destruction blocks on the in-flight command which | |
892 | * should have been cleared already in lbs_stop_card(). | |
893 | */ | |
894 | lbs_deb_main("destroying worker thread\n"); | |
954ee164 | 895 | destroy_workqueue(priv->work_thread); |
71b35f3a | 896 | lbs_deb_main("done destroying worker thread\n"); |
876c9d3a | 897 | |
aa21c004 DW |
898 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
899 | priv->psmode = LBS802_11POWERMODECAM; | |
0bb64087 | 900 | lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true); |
876c9d3a MT |
901 | } |
902 | ||
49125454 AK |
903 | if (priv->is_deep_sleep) { |
904 | priv->is_deep_sleep = 0; | |
905 | wake_up_interruptible(&priv->ds_awake_q); | |
906 | } | |
907 | ||
66fceb69 AK |
908 | priv->is_host_sleep_configured = 0; |
909 | priv->is_host_sleep_activated = 0; | |
910 | wake_up_interruptible(&priv->host_sleep_q); | |
911 | ||
954ee164 | 912 | /* Stop the thread servicing the interrupts */ |
aa21c004 | 913 | priv->surpriseremoved = 1; |
954ee164 DW |
914 | kthread_stop(priv->main_thread); |
915 | ||
10078321 | 916 | lbs_free_adapter(priv); |
ff9fc791 | 917 | lbs_cfg_free(priv); |
954ee164 DW |
918 | |
919 | priv->dev = NULL; | |
920 | free_netdev(dev); | |
921 | ||
922 | lbs_deb_leave(LBS_DEB_MAIN); | |
954ee164 | 923 | } |
10078321 | 924 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
925 | |
926 | ||
e86dc1ca | 927 | int lbs_rtap_supported(struct lbs_private *priv) |
cd74468b HS |
928 | { |
929 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) | |
930 | return 1; | |
931 | ||
932 | /* newer firmware use a capability mask */ | |
933 | return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
934 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)); | |
935 | } | |
936 | ||
937 | ||
69f9032d | 938 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
939 | { |
940 | struct net_device *dev = priv->dev; | |
941 | int ret = -1; | |
942 | ||
943 | lbs_deb_enter(LBS_DEB_MAIN); | |
944 | ||
945 | /* poke the firmware */ | |
10078321 | 946 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
947 | if (ret) |
948 | goto done; | |
949 | ||
ff9fc791 HS |
950 | if (lbs_cfg_register(priv)) { |
951 | lbs_pr_err("cannot register device\n"); | |
954ee164 | 952 | goto done; |
876c9d3a | 953 | } |
020f3d00 | 954 | |
020f3d00 | 955 | lbs_update_channel(priv); |
020f3d00 | 956 | |
cd74468b HS |
957 | lbs_init_mesh(priv); |
958 | ||
10078321 | 959 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 960 | |
954ee164 DW |
961 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
962 | ||
32a74b7c | 963 | ret = 0; |
876c9d3a | 964 | |
32a74b7c | 965 | done: |
954ee164 DW |
966 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
967 | return ret; | |
968 | } | |
10078321 | 969 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
970 | |
971 | ||
a63e5cb2 | 972 | void lbs_stop_card(struct lbs_private *priv) |
954ee164 | 973 | { |
43baa5bb | 974 | struct net_device *dev; |
954ee164 DW |
975 | struct cmd_ctrl_node *cmdnode; |
976 | unsigned long flags; | |
977 | ||
978 | lbs_deb_enter(LBS_DEB_MAIN); | |
979 | ||
652e3f20 HS |
980 | if (!priv) |
981 | goto out; | |
43baa5bb | 982 | dev = priv->dev; |
652e3f20 | 983 | |
43baa5bb JL |
984 | netif_stop_queue(dev); |
985 | netif_carrier_off(dev); | |
954ee164 | 986 | |
10078321 | 987 | lbs_debugfs_remove_one(priv); |
cd74468b HS |
988 | lbs_deinit_mesh(priv); |
989 | ||
71b35f3a | 990 | /* Delete the timeout of the currently processing command */ |
652e3f20 | 991 | del_timer_sync(&priv->command_timer); |
49125454 | 992 | del_timer_sync(&priv->auto_deepsleep_timer); |
71b35f3a DW |
993 | |
994 | /* Flush pending command nodes */ | |
aa21c004 | 995 | spin_lock_irqsave(&priv->driver_lock, flags); |
71b35f3a | 996 | lbs_deb_main("clearing pending commands\n"); |
aa21c004 | 997 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { |
ae125bf8 | 998 | cmdnode->result = -ENOENT; |
954ee164 DW |
999 | cmdnode->cmdwaitqwoken = 1; |
1000 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1001 | } | |
71b35f3a DW |
1002 | |
1003 | /* Flush the command the card is currently processing */ | |
1004 | if (priv->cur_cmd) { | |
1005 | lbs_deb_main("clearing current command\n"); | |
1006 | priv->cur_cmd->result = -ENOENT; | |
1007 | priv->cur_cmd->cmdwaitqwoken = 1; | |
1008 | wake_up_interruptible(&priv->cur_cmd->cmdwait_q); | |
1009 | } | |
1010 | lbs_deb_main("done clearing commands\n"); | |
aa21c004 | 1011 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1012 | |
1013 | unregister_netdev(dev); | |
1014 | ||
652e3f20 | 1015 | out: |
a63e5cb2 | 1016 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a | 1017 | } |
10078321 | 1018 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1019 | |
876c9d3a | 1020 | |
7919b89c HS |
1021 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1022 | { | |
1023 | unsigned long flags; | |
1024 | ||
1025 | lbs_deb_enter(LBS_DEB_THREAD); | |
1026 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1027 | ||
1028 | if (priv->psstate == PS_STATE_SLEEP) | |
1029 | priv->psstate = PS_STATE_AWAKE; | |
1030 | ||
7acd72eb | 1031 | kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32)); |
7919b89c HS |
1032 | |
1033 | wake_up_interruptible(&priv->waitq); | |
1034 | ||
1035 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1036 | lbs_deb_leave(LBS_DEB_THREAD); | |
1037 | } | |
1038 | EXPORT_SYMBOL_GPL(lbs_queue_event); | |
1039 | ||
1040 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) | |
876c9d3a | 1041 | { |
ed37b516 | 1042 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1043 | |
4f679496 | 1044 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1045 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
1046 | |
1047 | /* Swap buffers by flipping the response index */ | |
1048 | BUG_ON(resp_idx > 1); | |
1049 | priv->resp_idx = resp_idx; | |
1050 | ||
fe336150 | 1051 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1052 | |
ed37b516 | 1053 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1054 | } |
7919b89c | 1055 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
876c9d3a | 1056 | |
72f7a667 DW |
1057 | /** |
1058 | * @brief Retrieves two-stage firmware | |
1059 | * | |
1060 | * @param dev A pointer to device structure | |
1061 | * @param user_helper User-defined helper firmware file | |
1062 | * @param user_mainfw User-defined main firmware file | |
1063 | * @param card_model Bus-specific card model ID used to filter firmware table | |
1064 | * elements | |
1065 | * @param fw_table Table of firmware file names and device model numbers | |
1066 | * terminated by an entry with a NULL helper name | |
1067 | * @param helper On success, the helper firmware; caller must free | |
1068 | * @param mainfw On success, the main firmware; caller must free | |
1069 | * | |
1070 | * @return 0 on success, non-zero on failure | |
1071 | */ | |
1072 | int lbs_get_firmware(struct device *dev, const char *user_helper, | |
1073 | const char *user_mainfw, u32 card_model, | |
1074 | const struct lbs_fw_table *fw_table, | |
1075 | const struct firmware **helper, | |
1076 | const struct firmware **mainfw) | |
1077 | { | |
1078 | const struct lbs_fw_table *iter; | |
1079 | int ret; | |
1080 | ||
1081 | BUG_ON(helper == NULL); | |
1082 | BUG_ON(mainfw == NULL); | |
1083 | ||
1084 | /* Try user-specified firmware first */ | |
1085 | if (user_helper) { | |
1086 | ret = request_firmware(helper, user_helper, dev); | |
1087 | if (ret) { | |
1088 | lbs_pr_err("couldn't find helper firmware %s", | |
1089 | user_helper); | |
1090 | goto fail; | |
1091 | } | |
1092 | } | |
1093 | if (user_mainfw) { | |
1094 | ret = request_firmware(mainfw, user_mainfw, dev); | |
1095 | if (ret) { | |
1096 | lbs_pr_err("couldn't find main firmware %s", | |
1097 | user_mainfw); | |
1098 | goto fail; | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | if (*helper && *mainfw) | |
1103 | return 0; | |
1104 | ||
1105 | /* Otherwise search for firmware to use. If neither the helper or | |
1106 | * the main firmware were specified by the user, then we need to | |
1107 | * make sure that found helper & main are from the same entry in | |
1108 | * fw_table. | |
1109 | */ | |
1110 | iter = fw_table; | |
1111 | while (iter && iter->helper) { | |
1112 | if (iter->model != card_model) | |
1113 | goto next; | |
1114 | ||
1115 | if (*helper == NULL) { | |
1116 | ret = request_firmware(helper, iter->helper, dev); | |
1117 | if (ret) | |
1118 | goto next; | |
1119 | ||
1120 | /* If the device has one-stage firmware (ie cf8305) and | |
1121 | * we've got it then we don't need to bother with the | |
1122 | * main firmware. | |
1123 | */ | |
1124 | if (iter->fwname == NULL) | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | if (*mainfw == NULL) { | |
1129 | ret = request_firmware(mainfw, iter->fwname, dev); | |
1130 | if (ret && !user_helper) { | |
1131 | /* Clear the helper if it wasn't user-specified | |
1132 | * and the main firmware load failed, to ensure | |
1133 | * we don't have mismatched firmware pairs. | |
1134 | */ | |
1135 | release_firmware(*helper); | |
1136 | *helper = NULL; | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | if (*helper && *mainfw) | |
1141 | return 0; | |
1142 | ||
1143 | next: | |
1144 | iter++; | |
1145 | } | |
1146 | ||
1147 | fail: | |
1148 | /* Failed */ | |
1149 | if (*helper) { | |
1150 | release_firmware(*helper); | |
1151 | *helper = NULL; | |
1152 | } | |
1153 | if (*mainfw) { | |
1154 | release_firmware(*mainfw); | |
1155 | *mainfw = NULL; | |
1156 | } | |
1157 | ||
1158 | return -ENOENT; | |
1159 | } | |
1160 | EXPORT_SYMBOL_GPL(lbs_get_firmware); | |
1161 | ||
4fb910fd | 1162 | static int __init lbs_init_module(void) |
876c9d3a | 1163 | { |
9012b28a | 1164 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1165 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1166 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1167 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
0bb64087 | 1168 | confirm_sleep.action = cpu_to_le16(PS_MODE_ACTION_SLEEP_CONFIRMED); |
10078321 | 1169 | lbs_debugfs_init(); |
084708b6 HS |
1170 | lbs_deb_leave(LBS_DEB_MAIN); |
1171 | return 0; | |
876c9d3a MT |
1172 | } |
1173 | ||
4fb910fd | 1174 | static void __exit lbs_exit_module(void) |
876c9d3a | 1175 | { |
9012b28a | 1176 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1177 | lbs_debugfs_remove(); |
9012b28a | 1178 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1179 | } |
1180 | ||
10078321 HS |
1181 | module_init(lbs_init_module); |
1182 | module_exit(lbs_exit_module); | |
876c9d3a | 1183 | |
084708b6 | 1184 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1185 | MODULE_AUTHOR("Marvell International Ltd."); |
1186 | MODULE_LICENSE("GPL"); |