2 * This file contains the major functions in WLAN
3 * driver. It includes init, exit, open, close and main
7 #include <linux/moduleparam.h>
8 #include <linux/delay.h>
9 #include <linux/etherdevice.h>
10 #include <linux/netdevice.h>
11 #include <linux/if_arp.h>
12 #include <linux/kthread.h>
13 #include <linux/kfifo.h>
14 #include <linux/stddef.h>
16 #include <net/iw_handler.h>
17 #include <net/ieee80211.h>
28 #define DRIVER_RELEASE_VERSION "323.p0"
29 const char lbs_driver_version
[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
36 /* Module parameters */
37 unsigned int lbs_debug
;
38 EXPORT_SYMBOL_GPL(lbs_debug
);
39 module_param_named(libertas_debug
, lbs_debug
, int, 0644);
42 /* This global structure is used to send the confirm_sleep command as
43 * fast as possible down to the firmware. */
44 struct cmd_confirm_sleep confirm_sleep
;
47 #define LBS_TX_PWR_DEFAULT 20 /*100mW */
48 #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */
49 #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */
50 #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */
51 #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */
53 /* Format { channel, frequency (MHz), maxtxpower } */
54 /* band: 'B/G', region: USA FCC/Canada IC */
55 static struct chan_freq_power channel_freq_power_US_BG
[] = {
56 {1, 2412, LBS_TX_PWR_US_DEFAULT
},
57 {2, 2417, LBS_TX_PWR_US_DEFAULT
},
58 {3, 2422, LBS_TX_PWR_US_DEFAULT
},
59 {4, 2427, LBS_TX_PWR_US_DEFAULT
},
60 {5, 2432, LBS_TX_PWR_US_DEFAULT
},
61 {6, 2437, LBS_TX_PWR_US_DEFAULT
},
62 {7, 2442, LBS_TX_PWR_US_DEFAULT
},
63 {8, 2447, LBS_TX_PWR_US_DEFAULT
},
64 {9, 2452, LBS_TX_PWR_US_DEFAULT
},
65 {10, 2457, LBS_TX_PWR_US_DEFAULT
},
66 {11, 2462, LBS_TX_PWR_US_DEFAULT
}
69 /* band: 'B/G', region: Europe ETSI */
70 static struct chan_freq_power channel_freq_power_EU_BG
[] = {
71 {1, 2412, LBS_TX_PWR_EMEA_DEFAULT
},
72 {2, 2417, LBS_TX_PWR_EMEA_DEFAULT
},
73 {3, 2422, LBS_TX_PWR_EMEA_DEFAULT
},
74 {4, 2427, LBS_TX_PWR_EMEA_DEFAULT
},
75 {5, 2432, LBS_TX_PWR_EMEA_DEFAULT
},
76 {6, 2437, LBS_TX_PWR_EMEA_DEFAULT
},
77 {7, 2442, LBS_TX_PWR_EMEA_DEFAULT
},
78 {8, 2447, LBS_TX_PWR_EMEA_DEFAULT
},
79 {9, 2452, LBS_TX_PWR_EMEA_DEFAULT
},
80 {10, 2457, LBS_TX_PWR_EMEA_DEFAULT
},
81 {11, 2462, LBS_TX_PWR_EMEA_DEFAULT
},
82 {12, 2467, LBS_TX_PWR_EMEA_DEFAULT
},
83 {13, 2472, LBS_TX_PWR_EMEA_DEFAULT
}
86 /* band: 'B/G', region: Spain */
87 static struct chan_freq_power channel_freq_power_SPN_BG
[] = {
88 {10, 2457, LBS_TX_PWR_DEFAULT
},
89 {11, 2462, LBS_TX_PWR_DEFAULT
}
92 /* band: 'B/G', region: France */
93 static struct chan_freq_power channel_freq_power_FR_BG
[] = {
94 {10, 2457, LBS_TX_PWR_FR_DEFAULT
},
95 {11, 2462, LBS_TX_PWR_FR_DEFAULT
},
96 {12, 2467, LBS_TX_PWR_FR_DEFAULT
},
97 {13, 2472, LBS_TX_PWR_FR_DEFAULT
}
100 /* band: 'B/G', region: Japan */
101 static struct chan_freq_power channel_freq_power_JPN_BG
[] = {
102 {1, 2412, LBS_TX_PWR_JP_DEFAULT
},
103 {2, 2417, LBS_TX_PWR_JP_DEFAULT
},
104 {3, 2422, LBS_TX_PWR_JP_DEFAULT
},
105 {4, 2427, LBS_TX_PWR_JP_DEFAULT
},
106 {5, 2432, LBS_TX_PWR_JP_DEFAULT
},
107 {6, 2437, LBS_TX_PWR_JP_DEFAULT
},
108 {7, 2442, LBS_TX_PWR_JP_DEFAULT
},
109 {8, 2447, LBS_TX_PWR_JP_DEFAULT
},
110 {9, 2452, LBS_TX_PWR_JP_DEFAULT
},
111 {10, 2457, LBS_TX_PWR_JP_DEFAULT
},
112 {11, 2462, LBS_TX_PWR_JP_DEFAULT
},
113 {12, 2467, LBS_TX_PWR_JP_DEFAULT
},
114 {13, 2472, LBS_TX_PWR_JP_DEFAULT
},
115 {14, 2484, LBS_TX_PWR_JP_DEFAULT
}
119 * the structure for channel, frequency and power
121 struct region_cfp_table
{
123 struct chan_freq_power
*cfp_BG
;
128 * the structure for the mapping between region and CFP
130 static struct region_cfp_table region_cfp_table
[] = {
132 channel_freq_power_US_BG
,
133 ARRAY_SIZE(channel_freq_power_US_BG
),
136 {0x20, /*CANADA IC */
137 channel_freq_power_US_BG
,
138 ARRAY_SIZE(channel_freq_power_US_BG
),
141 {0x30, /*EU*/ channel_freq_power_EU_BG
,
142 ARRAY_SIZE(channel_freq_power_EU_BG
),
145 {0x31, /*SPAIN*/ channel_freq_power_SPN_BG
,
146 ARRAY_SIZE(channel_freq_power_SPN_BG
),
149 {0x32, /*FRANCE*/ channel_freq_power_FR_BG
,
150 ARRAY_SIZE(channel_freq_power_FR_BG
),
153 {0x40, /*JAPAN*/ channel_freq_power_JPN_BG
,
154 ARRAY_SIZE(channel_freq_power_JPN_BG
),
157 /*Add new region here */
161 * the table to keep region code
163 u16 lbs_region_code_to_index
[MRVDRV_MAX_REGION_CODE
] =
164 { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
167 * 802.11b/g supported bitrates (in 500Kb/s units)
169 u8 lbs_bg_rates
[MAX_RATES
] =
170 { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
174 * FW rate table. FW refers to rates by their index in this table, not by the
175 * rate value itself. Values of 0x00 are
176 * reserved positions.
178 static u8 fw_data_rates
[MAX_RATES
] =
179 { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
180 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
184 * @brief use index to get the data rate
186 * @param idx The index of data rate
187 * @return data rate or 0
189 u32
lbs_fw_index_to_data_rate(u8 idx
)
191 if (idx
>= sizeof(fw_data_rates
))
193 return fw_data_rates
[idx
];
197 * @brief use rate to get the index
199 * @param rate data rate
202 u8
lbs_data_rate_to_fw_index(u32 rate
)
209 for (i
= 0; i
< sizeof(fw_data_rates
); i
++) {
210 if (rate
== fw_data_rates
[i
])
217 * Attributes exported through sysfs
221 * @brief Get function for sysfs attribute anycast_mask
223 static ssize_t
lbs_anycast_get(struct device
*dev
,
224 struct device_attribute
*attr
, char * buf
)
226 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
227 struct cmd_ds_mesh_access mesh_access
;
230 memset(&mesh_access
, 0, sizeof(mesh_access
));
232 ret
= lbs_mesh_access(priv
, CMD_ACT_MESH_GET_ANYCAST
, &mesh_access
);
236 return snprintf(buf
, 12, "0x%X\n", le32_to_cpu(mesh_access
.data
[0]));
240 * @brief Set function for sysfs attribute anycast_mask
242 static ssize_t
lbs_anycast_set(struct device
*dev
,
243 struct device_attribute
*attr
, const char * buf
, size_t count
)
245 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
246 struct cmd_ds_mesh_access mesh_access
;
250 memset(&mesh_access
, 0, sizeof(mesh_access
));
251 sscanf(buf
, "%x", &datum
);
252 mesh_access
.data
[0] = cpu_to_le32(datum
);
254 ret
= lbs_mesh_access(priv
, CMD_ACT_MESH_SET_ANYCAST
, &mesh_access
);
261 static int lbs_add_rtap(struct lbs_private
*priv
);
262 static void lbs_remove_rtap(struct lbs_private
*priv
);
263 static int lbs_add_mesh(struct lbs_private
*priv
);
264 static void lbs_remove_mesh(struct lbs_private
*priv
);
268 * Get function for sysfs attribute rtap
270 static ssize_t
lbs_rtap_get(struct device
*dev
,
271 struct device_attribute
*attr
, char * buf
)
273 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
274 return snprintf(buf
, 5, "0x%X\n", priv
->monitormode
);
278 * Set function for sysfs attribute rtap
280 static ssize_t
lbs_rtap_set(struct device
*dev
,
281 struct device_attribute
*attr
, const char * buf
, size_t count
)
284 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
286 sscanf(buf
, "%x", &monitor_mode
);
288 if (priv
->monitormode
== monitor_mode
)
290 if (!priv
->monitormode
) {
291 if (priv
->infra_open
|| priv
->mesh_open
)
293 if (priv
->mode
== IW_MODE_INFRA
)
294 lbs_send_deauthentication(priv
);
295 else if (priv
->mode
== IW_MODE_ADHOC
)
296 lbs_stop_adhoc_network(priv
);
299 priv
->monitormode
= monitor_mode
;
301 if (!priv
->monitormode
)
303 priv
->monitormode
= 0;
304 lbs_remove_rtap(priv
);
306 if (priv
->currenttxskb
) {
307 dev_kfree_skb_any(priv
->currenttxskb
);
308 priv
->currenttxskb
= NULL
;
311 /* Wake queues, command thread, etc. */
312 lbs_host_to_card_done(priv
);
315 lbs_prepare_and_send_command(priv
,
316 CMD_802_11_MONITOR_MODE
, CMD_ACT_SET
,
317 CMD_OPTION_WAITFORRSP
, 0, &priv
->monitormode
);
322 * lbs_rtap attribute to be exported per ethX interface
323 * through sysfs (/sys/class/net/ethX/lbs_rtap)
325 static DEVICE_ATTR(lbs_rtap
, 0644, lbs_rtap_get
, lbs_rtap_set
);
328 * Get function for sysfs attribute mesh
330 static ssize_t
lbs_mesh_get(struct device
*dev
,
331 struct device_attribute
*attr
, char * buf
)
333 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
334 return snprintf(buf
, 5, "0x%X\n", !!priv
->mesh_dev
);
338 * Set function for sysfs attribute mesh
340 static ssize_t
lbs_mesh_set(struct device
*dev
,
341 struct device_attribute
*attr
, const char * buf
, size_t count
)
343 struct lbs_private
*priv
= to_net_dev(dev
)->priv
;
345 int ret
, action
= CMD_ACT_MESH_CONFIG_STOP
;
347 sscanf(buf
, "%x", &enable
);
349 if (enable
== !!priv
->mesh_dev
)
352 action
= CMD_ACT_MESH_CONFIG_START
;
353 ret
= lbs_mesh_config(priv
, action
, priv
->curbssparams
.channel
);
360 lbs_remove_mesh(priv
);
366 * lbs_mesh attribute to be exported per ethX interface
367 * through sysfs (/sys/class/net/ethX/lbs_mesh)
369 static DEVICE_ATTR(lbs_mesh
, 0644, lbs_mesh_get
, lbs_mesh_set
);
372 * anycast_mask attribute to be exported per mshX interface
373 * through sysfs (/sys/class/net/mshX/anycast_mask)
375 static DEVICE_ATTR(anycast_mask
, 0644, lbs_anycast_get
, lbs_anycast_set
);
377 static struct attribute
*lbs_mesh_sysfs_entries
[] = {
378 &dev_attr_anycast_mask
.attr
,
382 static struct attribute_group lbs_mesh_attr_group
= {
383 .attrs
= lbs_mesh_sysfs_entries
,
387 * @brief This function opens the ethX or mshX interface
389 * @param dev A pointer to net_device structure
390 * @return 0 or -EBUSY if monitor mode active
392 static int lbs_dev_open(struct net_device
*dev
)
394 struct lbs_private
*priv
= (struct lbs_private
*) dev
->priv
;
397 lbs_deb_enter(LBS_DEB_NET
);
399 spin_lock_irq(&priv
->driver_lock
);
401 if (priv
->monitormode
) {
406 if (dev
== priv
->mesh_dev
) {
408 priv
->mesh_connect_status
= LBS_CONNECTED
;
409 netif_carrier_on(dev
);
411 priv
->infra_open
= 1;
413 if (priv
->connect_status
== LBS_CONNECTED
)
414 netif_carrier_on(dev
);
416 netif_carrier_off(dev
);
419 if (!priv
->tx_pending_len
)
420 netif_wake_queue(dev
);
423 spin_unlock_irq(&priv
->driver_lock
);
424 lbs_deb_leave_args(LBS_DEB_NET
, "ret %d", ret
);
429 * @brief This function closes the mshX interface
431 * @param dev A pointer to net_device structure
434 static int lbs_mesh_stop(struct net_device
*dev
)
436 struct lbs_private
*priv
= (struct lbs_private
*) (dev
->priv
);
438 lbs_deb_enter(LBS_DEB_MESH
);
439 spin_lock_irq(&priv
->driver_lock
);
442 priv
->mesh_connect_status
= LBS_DISCONNECTED
;
444 netif_stop_queue(dev
);
445 netif_carrier_off(dev
);
447 spin_unlock_irq(&priv
->driver_lock
);
449 schedule_work(&priv
->mcast_work
);
451 lbs_deb_leave(LBS_DEB_MESH
);
456 * @brief This function closes the ethX interface
458 * @param dev A pointer to net_device structure
461 static int lbs_eth_stop(struct net_device
*dev
)
463 struct lbs_private
*priv
= (struct lbs_private
*) dev
->priv
;
465 lbs_deb_enter(LBS_DEB_NET
);
467 spin_lock_irq(&priv
->driver_lock
);
468 priv
->infra_open
= 0;
469 netif_stop_queue(dev
);
470 spin_unlock_irq(&priv
->driver_lock
);
472 schedule_work(&priv
->mcast_work
);
474 lbs_deb_leave(LBS_DEB_NET
);
478 static void lbs_tx_timeout(struct net_device
*dev
)
480 struct lbs_private
*priv
= (struct lbs_private
*) dev
->priv
;
482 lbs_deb_enter(LBS_DEB_TX
);
484 lbs_pr_err("tx watch dog timeout\n");
486 dev
->trans_start
= jiffies
;
488 if (priv
->currenttxskb
)
489 lbs_send_tx_feedback(priv
, 0);
491 /* XX: Shouldn't we also call into the hw-specific driver
492 to kick it somehow? */
493 lbs_host_to_card_done(priv
);
495 /* More often than not, this actually happens because the
496 firmware has crapped itself -- rather than just a very
497 busy medium. So send a harmless command, and if/when
498 _that_ times out, we'll kick it in the head. */
499 lbs_prepare_and_send_command(priv
, CMD_802_11_RSSI
, 0,
502 lbs_deb_leave(LBS_DEB_TX
);
505 void lbs_host_to_card_done(struct lbs_private
*priv
)
509 lbs_deb_enter(LBS_DEB_THREAD
);
511 spin_lock_irqsave(&priv
->driver_lock
, flags
);
513 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
515 /* Wake main thread if commands are pending */
516 if (!priv
->cur_cmd
|| priv
->tx_pending_len
> 0)
517 wake_up_interruptible(&priv
->waitq
);
519 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
520 lbs_deb_leave(LBS_DEB_THREAD
);
522 EXPORT_SYMBOL_GPL(lbs_host_to_card_done
);
525 * @brief This function returns the network statistics
527 * @param dev A pointer to struct lbs_private structure
528 * @return A pointer to net_device_stats structure
530 static struct net_device_stats
*lbs_get_stats(struct net_device
*dev
)
532 struct lbs_private
*priv
= (struct lbs_private
*) dev
->priv
;
534 lbs_deb_enter(LBS_DEB_NET
);
538 static int lbs_set_mac_address(struct net_device
*dev
, void *addr
)
541 struct lbs_private
*priv
= (struct lbs_private
*) dev
->priv
;
542 struct sockaddr
*phwaddr
= addr
;
543 struct cmd_ds_802_11_mac_address cmd
;
545 lbs_deb_enter(LBS_DEB_NET
);
547 /* In case it was called from the mesh device */
550 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
551 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
552 memcpy(cmd
.macadd
, phwaddr
->sa_data
, ETH_ALEN
);
554 ret
= lbs_cmd_with_response(priv
, CMD_802_11_MAC_ADDRESS
, &cmd
);
556 lbs_deb_net("set MAC address failed\n");
560 memcpy(priv
->current_addr
, phwaddr
->sa_data
, ETH_ALEN
);
561 memcpy(dev
->dev_addr
, phwaddr
->sa_data
, ETH_ALEN
);
563 memcpy(priv
->mesh_dev
->dev_addr
, phwaddr
->sa_data
, ETH_ALEN
);
566 lbs_deb_leave_args(LBS_DEB_NET
, "ret %d", ret
);
571 static inline int mac_in_list(unsigned char *list
, int list_len
,
575 if (!memcmp(list
, mac
, ETH_ALEN
))
584 static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr
*cmd
,
585 struct net_device
*dev
, int nr_addrs
)
588 struct dev_mc_list
*mc_list
;
589 DECLARE_MAC_BUF(mac
);
591 if ((dev
->flags
& (IFF_UP
|IFF_MULTICAST
)) != (IFF_UP
|IFF_MULTICAST
))
594 netif_addr_lock_bh(dev
);
595 for (mc_list
= dev
->mc_list
; mc_list
; mc_list
= mc_list
->next
) {
596 if (mac_in_list(cmd
->maclist
, nr_addrs
, mc_list
->dmi_addr
)) {
597 lbs_deb_net("mcast address %s:%s skipped\n", dev
->name
,
598 print_mac(mac
, mc_list
->dmi_addr
));
602 if (i
== MRVDRV_MAX_MULTICAST_LIST_SIZE
)
604 memcpy(&cmd
->maclist
[6*i
], mc_list
->dmi_addr
, ETH_ALEN
);
605 lbs_deb_net("mcast address %s:%s added to filter\n", dev
->name
,
606 print_mac(mac
, mc_list
->dmi_addr
));
609 netif_addr_unlock_bh(dev
);
616 static void lbs_set_mcast_worker(struct work_struct
*work
)
618 struct lbs_private
*priv
= container_of(work
, struct lbs_private
, mcast_work
);
619 struct cmd_ds_mac_multicast_adr mcast_cmd
;
622 int old_mac_control
= priv
->mac_control
;
624 lbs_deb_enter(LBS_DEB_NET
);
626 dev_flags
= priv
->dev
->flags
;
628 dev_flags
|= priv
->mesh_dev
->flags
;
630 if (dev_flags
& IFF_PROMISC
) {
631 priv
->mac_control
|= CMD_ACT_MAC_PROMISCUOUS_ENABLE
;
632 priv
->mac_control
&= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE
|
633 CMD_ACT_MAC_MULTICAST_ENABLE
);
634 goto out_set_mac_control
;
635 } else if (dev_flags
& IFF_ALLMULTI
) {
637 priv
->mac_control
|= CMD_ACT_MAC_ALL_MULTICAST_ENABLE
;
638 priv
->mac_control
&= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE
|
639 CMD_ACT_MAC_MULTICAST_ENABLE
);
640 goto out_set_mac_control
;
643 /* Once for priv->dev, again for priv->mesh_dev if it exists */
644 nr_addrs
= lbs_add_mcast_addrs(&mcast_cmd
, priv
->dev
, 0);
645 if (nr_addrs
>= 0 && priv
->mesh_dev
)
646 nr_addrs
= lbs_add_mcast_addrs(&mcast_cmd
, priv
->mesh_dev
, nr_addrs
);
651 int size
= offsetof(struct cmd_ds_mac_multicast_adr
,
652 maclist
[6*nr_addrs
]);
654 mcast_cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
655 mcast_cmd
.hdr
.size
= cpu_to_le16(size
);
656 mcast_cmd
.nr_of_adrs
= cpu_to_le16(nr_addrs
);
658 lbs_cmd_async(priv
, CMD_MAC_MULTICAST_ADR
, &mcast_cmd
.hdr
, size
);
660 priv
->mac_control
|= CMD_ACT_MAC_MULTICAST_ENABLE
;
662 priv
->mac_control
&= ~CMD_ACT_MAC_MULTICAST_ENABLE
;
664 priv
->mac_control
&= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE
|
665 CMD_ACT_MAC_ALL_MULTICAST_ENABLE
);
667 if (priv
->mac_control
!= old_mac_control
)
668 lbs_set_mac_control(priv
);
670 lbs_deb_leave(LBS_DEB_NET
);
673 static void lbs_set_multicast_list(struct net_device
*dev
)
675 struct lbs_private
*priv
= dev
->priv
;
677 schedule_work(&priv
->mcast_work
);
681 * @brief This function handles the major jobs in the LBS driver.
682 * It handles all events generated by firmware, RX data received
683 * from firmware and TX data sent from kernel.
685 * @param data A pointer to lbs_thread structure
688 static int lbs_thread(void *data
)
690 struct net_device
*dev
= data
;
691 struct lbs_private
*priv
= dev
->priv
;
694 lbs_deb_enter(LBS_DEB_THREAD
);
696 init_waitqueue_entry(&wait
, current
);
702 lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n",
703 priv
->currenttxskb
, priv
->dnld_sent
);
705 add_wait_queue(&priv
->waitq
, &wait
);
706 set_current_state(TASK_INTERRUPTIBLE
);
707 spin_lock_irq(&priv
->driver_lock
);
709 if (kthread_should_stop())
710 shouldsleep
= 0; /* Bye */
711 else if (priv
->surpriseremoved
)
712 shouldsleep
= 1; /* We need to wait until we're _told_ to die */
713 else if (priv
->psstate
== PS_STATE_SLEEP
)
714 shouldsleep
= 1; /* Sleep mode. Nothing we can do till it wakes */
715 else if (priv
->cmd_timed_out
)
716 shouldsleep
= 0; /* Command timed out. Recover */
717 else if (!priv
->fw_ready
)
718 shouldsleep
= 1; /* Firmware not ready. We're waiting for it */
719 else if (priv
->dnld_sent
)
720 shouldsleep
= 1; /* Something is en route to the device already */
721 else if (priv
->tx_pending_len
> 0)
722 shouldsleep
= 0; /* We've a packet to send */
723 else if (priv
->resp_len
[priv
->resp_idx
])
724 shouldsleep
= 0; /* We have a command response */
725 else if (priv
->cur_cmd
)
726 shouldsleep
= 1; /* Can't send a command; one already running */
727 else if (!list_empty(&priv
->cmdpendingq
))
728 shouldsleep
= 0; /* We have a command to send */
729 else if (__kfifo_len(priv
->event_fifo
))
730 shouldsleep
= 0; /* We have an event to process */
732 shouldsleep
= 1; /* No command */
735 lbs_deb_thread("sleeping, connect_status %d, "
736 "psmode %d, psstate %d\n",
737 priv
->connect_status
,
738 priv
->psmode
, priv
->psstate
);
739 spin_unlock_irq(&priv
->driver_lock
);
742 spin_unlock_irq(&priv
->driver_lock
);
744 lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n",
745 priv
->currenttxskb
, priv
->dnld_sent
);
747 set_current_state(TASK_RUNNING
);
748 remove_wait_queue(&priv
->waitq
, &wait
);
750 lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n",
751 priv
->currenttxskb
, priv
->dnld_sent
);
753 if (kthread_should_stop()) {
754 lbs_deb_thread("break from main thread\n");
758 if (priv
->surpriseremoved
) {
759 lbs_deb_thread("adapter removed; waiting to die...\n");
763 lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n",
764 priv
->currenttxskb
, priv
->dnld_sent
);
766 /* Process any pending command response */
767 spin_lock_irq(&priv
->driver_lock
);
768 resp_idx
= priv
->resp_idx
;
769 if (priv
->resp_len
[resp_idx
]) {
770 spin_unlock_irq(&priv
->driver_lock
);
771 lbs_process_command_response(priv
,
772 priv
->resp_buf
[resp_idx
],
773 priv
->resp_len
[resp_idx
]);
774 spin_lock_irq(&priv
->driver_lock
);
775 priv
->resp_len
[resp_idx
] = 0;
777 spin_unlock_irq(&priv
->driver_lock
);
779 /* command timeout stuff */
780 if (priv
->cmd_timed_out
&& priv
->cur_cmd
) {
781 struct cmd_ctrl_node
*cmdnode
= priv
->cur_cmd
;
783 if (++priv
->nr_retries
> 3) {
784 lbs_pr_info("Excessive timeouts submitting "
786 le16_to_cpu(cmdnode
->cmdbuf
->command
));
787 lbs_complete_command(priv
, cmdnode
, -ETIMEDOUT
);
788 priv
->nr_retries
= 0;
789 if (priv
->reset_card
)
790 priv
->reset_card(priv
);
792 priv
->cur_cmd
= NULL
;
793 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
794 lbs_pr_info("requeueing command 0x%04x due "
795 "to timeout (#%d)\n",
796 le16_to_cpu(cmdnode
->cmdbuf
->command
),
799 /* Stick it back at the _top_ of the pending queue
800 for immediate resubmission */
801 list_add(&cmdnode
->list
, &priv
->cmdpendingq
);
804 priv
->cmd_timed_out
= 0;
806 /* Process hardware events, e.g. card removed, link lost */
807 spin_lock_irq(&priv
->driver_lock
);
808 while (__kfifo_len(priv
->event_fifo
)) {
811 __kfifo_get(priv
->event_fifo
, (unsigned char *) &event
,
813 spin_unlock_irq(&priv
->driver_lock
);
814 lbs_process_event(priv
, event
);
815 spin_lock_irq(&priv
->driver_lock
);
817 spin_unlock_irq(&priv
->driver_lock
);
822 /* Check if we need to confirm Sleep Request received previously */
823 if (priv
->psstate
== PS_STATE_PRE_SLEEP
&&
824 !priv
->dnld_sent
&& !priv
->cur_cmd
) {
825 if (priv
->connect_status
== LBS_CONNECTED
) {
826 lbs_deb_thread("pre-sleep, currenttxskb %p, "
827 "dnld_sent %d, cur_cmd %p\n",
828 priv
->currenttxskb
, priv
->dnld_sent
,
831 lbs_ps_confirm_sleep(priv
);
833 /* workaround for firmware sending
834 * deauth/linkloss event immediately
835 * after sleep request; remove this
836 * after firmware fixes it
838 priv
->psstate
= PS_STATE_AWAKE
;
839 lbs_pr_alert("ignore PS_SleepConfirm in "
840 "non-connected state\n");
844 /* The PS state is changed during processing of Sleep Request
847 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
848 (priv
->psstate
== PS_STATE_PRE_SLEEP
))
851 /* Execute the next command */
852 if (!priv
->dnld_sent
&& !priv
->cur_cmd
)
853 lbs_execute_next_command(priv
);
855 /* Wake-up command waiters which can't sleep in
856 * lbs_prepare_and_send_command
858 if (!list_empty(&priv
->cmdpendingq
))
859 wake_up_all(&priv
->cmd_pending
);
861 spin_lock_irq(&priv
->driver_lock
);
862 if (!priv
->dnld_sent
&& priv
->tx_pending_len
> 0) {
863 int ret
= priv
->hw_host_to_card(priv
, MVMS_DAT
,
864 priv
->tx_pending_buf
,
865 priv
->tx_pending_len
);
867 lbs_deb_tx("host_to_card failed %d\n", ret
);
868 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
870 priv
->tx_pending_len
= 0;
871 if (!priv
->currenttxskb
) {
872 /* We can wake the queues immediately if we aren't
873 waiting for TX feedback */
874 if (priv
->connect_status
== LBS_CONNECTED
)
875 netif_wake_queue(priv
->dev
);
876 if (priv
->mesh_dev
&&
877 priv
->mesh_connect_status
== LBS_CONNECTED
)
878 netif_wake_queue(priv
->mesh_dev
);
881 spin_unlock_irq(&priv
->driver_lock
);
884 del_timer(&priv
->command_timer
);
885 wake_up_all(&priv
->cmd_pending
);
887 lbs_deb_leave(LBS_DEB_THREAD
);
891 static int lbs_suspend_callback(struct lbs_private
*priv
, unsigned long dummy
,
892 struct cmd_header
*cmd
)
894 lbs_deb_enter(LBS_DEB_FW
);
896 netif_device_detach(priv
->dev
);
898 netif_device_detach(priv
->mesh_dev
);
901 lbs_deb_leave(LBS_DEB_FW
);
905 int lbs_suspend(struct lbs_private
*priv
)
907 struct cmd_header cmd
;
910 lbs_deb_enter(LBS_DEB_FW
);
912 if (priv
->wol_criteria
== 0xffffffff) {
913 lbs_pr_info("Suspend attempt without configuring wake params!\n");
917 memset(&cmd
, 0, sizeof(cmd
));
919 ret
= __lbs_cmd(priv
, CMD_802_11_HOST_SLEEP_ACTIVATE
, &cmd
,
920 sizeof(cmd
), lbs_suspend_callback
, 0);
922 lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret
);
924 lbs_deb_leave_args(LBS_DEB_FW
, "ret %d", ret
);
927 EXPORT_SYMBOL_GPL(lbs_suspend
);
929 void lbs_resume(struct lbs_private
*priv
)
931 lbs_deb_enter(LBS_DEB_FW
);
935 /* Firmware doesn't seem to give us RX packets any more
936 until we send it some command. Might as well update */
937 lbs_prepare_and_send_command(priv
, CMD_802_11_RSSI
, 0,
940 netif_device_attach(priv
->dev
);
942 netif_device_attach(priv
->mesh_dev
);
944 lbs_deb_leave(LBS_DEB_FW
);
946 EXPORT_SYMBOL_GPL(lbs_resume
);
949 * @brief This function downloads firmware image, gets
950 * HW spec from firmware and set basic parameters to
953 * @param priv A pointer to struct lbs_private structure
956 static int lbs_setup_firmware(struct lbs_private
*priv
)
960 lbs_deb_enter(LBS_DEB_FW
);
963 * Read MAC address from HW
965 memset(priv
->current_addr
, 0xff, ETH_ALEN
);
966 ret
= lbs_update_hw_spec(priv
);
970 lbs_set_mac_control(priv
);
972 lbs_deb_leave_args(LBS_DEB_FW
, "ret %d", ret
);
977 * This function handles the timeout of command sending.
978 * It will re-send the same command again.
980 static void command_timer_fn(unsigned long data
)
982 struct lbs_private
*priv
= (struct lbs_private
*)data
;
985 lbs_deb_enter(LBS_DEB_CMD
);
986 spin_lock_irqsave(&priv
->driver_lock
, flags
);
991 lbs_pr_info("command 0x%04x timed out\n",
992 le16_to_cpu(priv
->cur_cmd
->cmdbuf
->command
));
994 priv
->cmd_timed_out
= 1;
995 wake_up_interruptible(&priv
->waitq
);
997 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
998 lbs_deb_leave(LBS_DEB_CMD
);
1001 static void lbs_sync_channel_worker(struct work_struct
*work
)
1003 struct lbs_private
*priv
= container_of(work
, struct lbs_private
,
1006 lbs_deb_enter(LBS_DEB_MAIN
);
1007 if (lbs_update_channel(priv
))
1008 lbs_pr_info("Channel synchronization failed.");
1009 lbs_deb_leave(LBS_DEB_MAIN
);
1013 static int lbs_init_adapter(struct lbs_private
*priv
)
1018 lbs_deb_enter(LBS_DEB_MAIN
);
1020 /* Allocate buffer to store the BSSID list */
1021 bufsize
= MAX_NETWORK_COUNT
* sizeof(struct bss_descriptor
);
1022 priv
->networks
= kzalloc(bufsize
, GFP_KERNEL
);
1023 if (!priv
->networks
) {
1024 lbs_pr_err("Out of memory allocating beacons\n");
1029 /* Initialize scan result lists */
1030 INIT_LIST_HEAD(&priv
->network_free_list
);
1031 INIT_LIST_HEAD(&priv
->network_list
);
1032 for (i
= 0; i
< MAX_NETWORK_COUNT
; i
++) {
1033 list_add_tail(&priv
->networks
[i
].list
,
1034 &priv
->network_free_list
);
1037 memset(priv
->current_addr
, 0xff, ETH_ALEN
);
1039 priv
->connect_status
= LBS_DISCONNECTED
;
1040 priv
->mesh_connect_status
= LBS_DISCONNECTED
;
1041 priv
->secinfo
.auth_mode
= IW_AUTH_ALG_OPEN_SYSTEM
;
1042 priv
->mode
= IW_MODE_INFRA
;
1043 priv
->curbssparams
.channel
= DEFAULT_AD_HOC_CHANNEL
;
1044 priv
->mac_control
= CMD_ACT_MAC_RX_ON
| CMD_ACT_MAC_TX_ON
;
1045 priv
->radioon
= RADIO_ON
;
1046 priv
->enablehwauto
= 1;
1047 priv
->capability
= WLAN_CAPABILITY_SHORT_PREAMBLE
;
1048 priv
->psmode
= LBS802_11POWERMODECAM
;
1049 priv
->psstate
= PS_STATE_FULL_POWER
;
1051 mutex_init(&priv
->lock
);
1053 setup_timer(&priv
->command_timer
, command_timer_fn
,
1054 (unsigned long)priv
);
1056 INIT_LIST_HEAD(&priv
->cmdfreeq
);
1057 INIT_LIST_HEAD(&priv
->cmdpendingq
);
1059 spin_lock_init(&priv
->driver_lock
);
1060 init_waitqueue_head(&priv
->cmd_pending
);
1062 /* Allocate the command buffers */
1063 if (lbs_allocate_cmd_buffer(priv
)) {
1064 lbs_pr_err("Out of memory allocating command buffers\n");
1069 priv
->resp_len
[0] = priv
->resp_len
[1] = 0;
1071 /* Create the event FIFO */
1072 priv
->event_fifo
= kfifo_alloc(sizeof(u32
) * 16, GFP_KERNEL
, NULL
);
1073 if (IS_ERR(priv
->event_fifo
)) {
1074 lbs_pr_err("Out of memory allocating event FIFO buffer\n");
1080 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1085 static void lbs_free_adapter(struct lbs_private
*priv
)
1087 lbs_deb_enter(LBS_DEB_MAIN
);
1089 lbs_free_cmd_buffer(priv
);
1090 if (priv
->event_fifo
)
1091 kfifo_free(priv
->event_fifo
);
1092 del_timer(&priv
->command_timer
);
1093 kfree(priv
->networks
);
1094 priv
->networks
= NULL
;
1096 lbs_deb_leave(LBS_DEB_MAIN
);
1100 * @brief This function adds the card. it will probe the
1101 * card, allocate the lbs_priv and initialize the device.
1103 * @param card A pointer to card
1104 * @return A pointer to struct lbs_private structure
1106 struct lbs_private
*lbs_add_card(void *card
, struct device
*dmdev
)
1108 struct net_device
*dev
= NULL
;
1109 struct lbs_private
*priv
= NULL
;
1111 lbs_deb_enter(LBS_DEB_MAIN
);
1113 /* Allocate an Ethernet device and register it */
1114 dev
= alloc_etherdev(sizeof(struct lbs_private
));
1116 lbs_pr_err("init ethX device failed\n");
1121 if (lbs_init_adapter(priv
)) {
1122 lbs_pr_err("failed to initialize adapter structure.\n");
1123 goto err_init_adapter
;
1128 priv
->mesh_open
= 0;
1129 priv
->infra_open
= 0;
1131 /* Setup the OS Interface to our functions */
1132 dev
->open
= lbs_dev_open
;
1133 dev
->hard_start_xmit
= lbs_hard_start_xmit
;
1134 dev
->stop
= lbs_eth_stop
;
1135 dev
->set_mac_address
= lbs_set_mac_address
;
1136 dev
->tx_timeout
= lbs_tx_timeout
;
1137 dev
->get_stats
= lbs_get_stats
;
1138 dev
->watchdog_timeo
= 5 * HZ
;
1139 dev
->ethtool_ops
= &lbs_ethtool_ops
;
1141 dev
->wireless_handlers
= (struct iw_handler_def
*)&lbs_handler_def
;
1143 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1144 dev
->set_multicast_list
= lbs_set_multicast_list
;
1146 SET_NETDEV_DEV(dev
, dmdev
);
1148 priv
->rtap_net_dev
= NULL
;
1150 lbs_deb_thread("Starting main thread...\n");
1151 init_waitqueue_head(&priv
->waitq
);
1152 priv
->main_thread
= kthread_run(lbs_thread
, dev
, "lbs_main");
1153 if (IS_ERR(priv
->main_thread
)) {
1154 lbs_deb_thread("Error creating main thread.\n");
1155 goto err_init_adapter
;
1158 priv
->work_thread
= create_singlethread_workqueue("lbs_worker");
1159 INIT_DELAYED_WORK(&priv
->assoc_work
, lbs_association_worker
);
1160 INIT_DELAYED_WORK(&priv
->scan_work
, lbs_scan_worker
);
1161 INIT_WORK(&priv
->mcast_work
, lbs_set_mcast_worker
);
1162 INIT_WORK(&priv
->sync_channel
, lbs_sync_channel_worker
);
1164 sprintf(priv
->mesh_ssid
, "mesh");
1165 priv
->mesh_ssid_len
= 4;
1167 priv
->wol_criteria
= 0xffffffff;
1168 priv
->wol_gpio
= 0xff;
1173 lbs_free_adapter(priv
);
1178 lbs_deb_leave_args(LBS_DEB_MAIN
, "priv %p", priv
);
1181 EXPORT_SYMBOL_GPL(lbs_add_card
);
1184 void lbs_remove_card(struct lbs_private
*priv
)
1186 struct net_device
*dev
= priv
->dev
;
1187 union iwreq_data wrqu
;
1189 lbs_deb_enter(LBS_DEB_MAIN
);
1191 lbs_remove_mesh(priv
);
1192 lbs_remove_rtap(priv
);
1196 cancel_delayed_work_sync(&priv
->scan_work
);
1197 cancel_delayed_work_sync(&priv
->assoc_work
);
1198 cancel_work_sync(&priv
->mcast_work
);
1199 destroy_workqueue(priv
->work_thread
);
1201 if (priv
->psmode
== LBS802_11POWERMODEMAX_PSP
) {
1202 priv
->psmode
= LBS802_11POWERMODECAM
;
1203 lbs_ps_wakeup(priv
, CMD_OPTION_WAITFORRSP
);
1206 memset(wrqu
.ap_addr
.sa_data
, 0xaa, ETH_ALEN
);
1207 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
1208 wireless_send_event(priv
->dev
, SIOCGIWAP
, &wrqu
, NULL
);
1210 /* Stop the thread servicing the interrupts */
1211 priv
->surpriseremoved
= 1;
1212 kthread_stop(priv
->main_thread
);
1214 lbs_free_adapter(priv
);
1219 lbs_deb_leave(LBS_DEB_MAIN
);
1221 EXPORT_SYMBOL_GPL(lbs_remove_card
);
1224 int lbs_start_card(struct lbs_private
*priv
)
1226 struct net_device
*dev
= priv
->dev
;
1229 lbs_deb_enter(LBS_DEB_MAIN
);
1231 /* poke the firmware */
1232 ret
= lbs_setup_firmware(priv
);
1239 if (register_netdev(dev
)) {
1240 lbs_pr_err("cannot register ethX device\n");
1244 lbs_update_channel(priv
);
1246 /* 5.0.16p0 is known to NOT support any mesh */
1247 if (priv
->fwrelease
> 0x05001000) {
1248 /* Enable mesh, if supported, and work out which TLV it uses.
1249 0x100 + 291 is an unofficial value used in 5.110.20.pXX
1250 0x100 + 37 is the official value used in 5.110.21.pXX
1251 but we check them in that order because 20.pXX doesn't
1252 give an error -- it just silently fails. */
1254 /* 5.110.20.pXX firmware will fail the command if the channel
1255 doesn't match the existing channel. But only if the TLV
1256 is correct. If the channel is wrong, _BOTH_ versions will
1257 give an error to 0x100+291, and allow 0x100+37 to succeed.
1258 It's just that 5.110.20.pXX will not have done anything
1261 priv
->mesh_tlv
= 0x100 + 291;
1262 if (lbs_mesh_config(priv
, CMD_ACT_MESH_CONFIG_START
,
1263 priv
->curbssparams
.channel
)) {
1264 priv
->mesh_tlv
= 0x100 + 37;
1265 if (lbs_mesh_config(priv
, CMD_ACT_MESH_CONFIG_START
,
1266 priv
->curbssparams
.channel
))
1269 if (priv
->mesh_tlv
) {
1272 if (device_create_file(&dev
->dev
, &dev_attr_lbs_mesh
))
1273 lbs_pr_err("cannot register lbs_mesh attribute\n");
1275 /* While rtap isn't related to mesh, only mesh-enabled
1276 * firmware implements the rtap functionality via
1277 * CMD_802_11_MONITOR_MODE.
1279 if (device_create_file(&dev
->dev
, &dev_attr_lbs_rtap
))
1280 lbs_pr_err("cannot register lbs_rtap attribute\n");
1284 lbs_debugfs_init_one(priv
, dev
);
1286 lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev
->name
);
1291 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1294 EXPORT_SYMBOL_GPL(lbs_start_card
);
1297 void lbs_stop_card(struct lbs_private
*priv
)
1299 struct net_device
*dev
= priv
->dev
;
1300 struct cmd_ctrl_node
*cmdnode
;
1301 unsigned long flags
;
1303 lbs_deb_enter(LBS_DEB_MAIN
);
1308 netif_stop_queue(priv
->dev
);
1309 netif_carrier_off(priv
->dev
);
1311 lbs_debugfs_remove_one(priv
);
1312 if (priv
->mesh_tlv
) {
1313 device_remove_file(&dev
->dev
, &dev_attr_lbs_mesh
);
1314 device_remove_file(&dev
->dev
, &dev_attr_lbs_rtap
);
1317 /* Flush pending command nodes */
1318 del_timer_sync(&priv
->command_timer
);
1319 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1320 list_for_each_entry(cmdnode
, &priv
->cmdpendingq
, list
) {
1321 cmdnode
->result
= -ENOENT
;
1322 cmdnode
->cmdwaitqwoken
= 1;
1323 wake_up_interruptible(&cmdnode
->cmdwait_q
);
1325 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1327 unregister_netdev(dev
);
1330 lbs_deb_leave(LBS_DEB_MAIN
);
1332 EXPORT_SYMBOL_GPL(lbs_stop_card
);
1336 * @brief This function adds mshX interface
1338 * @param priv A pointer to the struct lbs_private structure
1339 * @return 0 if successful, -X otherwise
1341 static int lbs_add_mesh(struct lbs_private
*priv
)
1343 struct net_device
*mesh_dev
= NULL
;
1346 lbs_deb_enter(LBS_DEB_MESH
);
1348 /* Allocate a virtual mesh device */
1349 if (!(mesh_dev
= alloc_netdev(0, "msh%d", ether_setup
))) {
1350 lbs_deb_mesh("init mshX device failed\n");
1354 mesh_dev
->priv
= priv
;
1355 priv
->mesh_dev
= mesh_dev
;
1357 mesh_dev
->open
= lbs_dev_open
;
1358 mesh_dev
->hard_start_xmit
= lbs_hard_start_xmit
;
1359 mesh_dev
->stop
= lbs_mesh_stop
;
1360 mesh_dev
->get_stats
= lbs_get_stats
;
1361 mesh_dev
->set_mac_address
= lbs_set_mac_address
;
1362 mesh_dev
->ethtool_ops
= &lbs_ethtool_ops
;
1363 memcpy(mesh_dev
->dev_addr
, priv
->dev
->dev_addr
,
1364 sizeof(priv
->dev
->dev_addr
));
1366 SET_NETDEV_DEV(priv
->mesh_dev
, priv
->dev
->dev
.parent
);
1369 mesh_dev
->wireless_handlers
= (struct iw_handler_def
*)&mesh_handler_def
;
1371 mesh_dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1372 mesh_dev
->set_multicast_list
= lbs_set_multicast_list
;
1373 /* Register virtual mesh interface */
1374 ret
= register_netdev(mesh_dev
);
1376 lbs_pr_err("cannot register mshX virtual interface\n");
1380 ret
= sysfs_create_group(&(mesh_dev
->dev
.kobj
), &lbs_mesh_attr_group
);
1382 goto err_unregister
;
1384 lbs_persist_config_init(mesh_dev
);
1386 /* Everything successful */
1391 unregister_netdev(mesh_dev
);
1394 free_netdev(mesh_dev
);
1397 lbs_deb_leave_args(LBS_DEB_MESH
, "ret %d", ret
);
1401 static void lbs_remove_mesh(struct lbs_private
*priv
)
1403 struct net_device
*mesh_dev
;
1406 mesh_dev
= priv
->mesh_dev
;
1410 lbs_deb_enter(LBS_DEB_MESH
);
1411 netif_stop_queue(mesh_dev
);
1412 netif_carrier_off(mesh_dev
);
1413 sysfs_remove_group(&(mesh_dev
->dev
.kobj
), &lbs_mesh_attr_group
);
1414 lbs_persist_config_remove(mesh_dev
);
1415 unregister_netdev(mesh_dev
);
1416 priv
->mesh_dev
= NULL
;
1417 free_netdev(mesh_dev
);
1418 lbs_deb_leave(LBS_DEB_MESH
);
1422 * @brief This function finds the CFP in
1423 * region_cfp_table based on region and band parameter.
1425 * @param region The region code
1426 * @param band The band
1427 * @param cfp_no A pointer to CFP number
1428 * @return A pointer to CFP
1430 struct chan_freq_power
*lbs_get_region_cfp_table(u8 region
, int *cfp_no
)
1434 lbs_deb_enter(LBS_DEB_MAIN
);
1436 end
= ARRAY_SIZE(region_cfp_table
);
1438 for (i
= 0; i
< end
; i
++) {
1439 lbs_deb_main("region_cfp_table[i].region=%d\n",
1440 region_cfp_table
[i
].region
);
1441 if (region_cfp_table
[i
].region
== region
) {
1442 *cfp_no
= region_cfp_table
[i
].cfp_no_BG
;
1443 lbs_deb_leave(LBS_DEB_MAIN
);
1444 return region_cfp_table
[i
].cfp_BG
;
1448 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret NULL");
1452 int lbs_set_regiontable(struct lbs_private
*priv
, u8 region
, u8 band
)
1457 struct chan_freq_power
*cfp
;
1460 lbs_deb_enter(LBS_DEB_MAIN
);
1462 memset(priv
->region_channel
, 0, sizeof(priv
->region_channel
));
1464 cfp
= lbs_get_region_cfp_table(region
, &cfp_no
);
1466 priv
->region_channel
[i
].nrcfp
= cfp_no
;
1467 priv
->region_channel
[i
].CFP
= cfp
;
1469 lbs_deb_main("wrong region code %#x in band B/G\n",
1474 priv
->region_channel
[i
].valid
= 1;
1475 priv
->region_channel
[i
].region
= region
;
1476 priv
->region_channel
[i
].band
= band
;
1479 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1483 void lbs_queue_event(struct lbs_private
*priv
, u32 event
)
1485 unsigned long flags
;
1487 lbs_deb_enter(LBS_DEB_THREAD
);
1488 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1490 if (priv
->psstate
== PS_STATE_SLEEP
)
1491 priv
->psstate
= PS_STATE_AWAKE
;
1493 __kfifo_put(priv
->event_fifo
, (unsigned char *) &event
, sizeof(u32
));
1495 wake_up_interruptible(&priv
->waitq
);
1497 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1498 lbs_deb_leave(LBS_DEB_THREAD
);
1500 EXPORT_SYMBOL_GPL(lbs_queue_event
);
1502 void lbs_notify_command_response(struct lbs_private
*priv
, u8 resp_idx
)
1504 lbs_deb_enter(LBS_DEB_THREAD
);
1506 if (priv
->psstate
== PS_STATE_SLEEP
)
1507 priv
->psstate
= PS_STATE_AWAKE
;
1509 /* Swap buffers by flipping the response index */
1510 BUG_ON(resp_idx
> 1);
1511 priv
->resp_idx
= resp_idx
;
1513 wake_up_interruptible(&priv
->waitq
);
1515 lbs_deb_leave(LBS_DEB_THREAD
);
1517 EXPORT_SYMBOL_GPL(lbs_notify_command_response
);
1519 static int __init
lbs_init_module(void)
1521 lbs_deb_enter(LBS_DEB_MAIN
);
1522 memset(&confirm_sleep
, 0, sizeof(confirm_sleep
));
1523 confirm_sleep
.hdr
.command
= cpu_to_le16(CMD_802_11_PS_MODE
);
1524 confirm_sleep
.hdr
.size
= cpu_to_le16(sizeof(confirm_sleep
));
1525 confirm_sleep
.action
= cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED
);
1527 lbs_deb_leave(LBS_DEB_MAIN
);
1531 static void __exit
lbs_exit_module(void)
1533 lbs_deb_enter(LBS_DEB_MAIN
);
1534 lbs_debugfs_remove();
1535 lbs_deb_leave(LBS_DEB_MAIN
);
1539 * rtap interface support fuctions
1542 static int lbs_rtap_open(struct net_device
*dev
)
1544 /* Yes, _stop_ the queue. Because we don't support injection */
1545 lbs_deb_enter(LBS_DEB_MAIN
);
1546 netif_carrier_off(dev
);
1547 netif_stop_queue(dev
);
1548 lbs_deb_leave(LBS_DEB_LEAVE
);
1552 static int lbs_rtap_stop(struct net_device
*dev
)
1554 lbs_deb_enter(LBS_DEB_MAIN
);
1555 lbs_deb_leave(LBS_DEB_MAIN
);
1559 static int lbs_rtap_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
1561 netif_stop_queue(dev
);
1562 return NETDEV_TX_BUSY
;
1565 static struct net_device_stats
*lbs_rtap_get_stats(struct net_device
*dev
)
1567 struct lbs_private
*priv
= dev
->priv
;
1568 lbs_deb_enter(LBS_DEB_NET
);
1569 return &priv
->stats
;
1573 static void lbs_remove_rtap(struct lbs_private
*priv
)
1575 lbs_deb_enter(LBS_DEB_MAIN
);
1576 if (priv
->rtap_net_dev
== NULL
)
1578 unregister_netdev(priv
->rtap_net_dev
);
1579 free_netdev(priv
->rtap_net_dev
);
1580 priv
->rtap_net_dev
= NULL
;
1582 lbs_deb_leave(LBS_DEB_MAIN
);
1585 static int lbs_add_rtap(struct lbs_private
*priv
)
1588 struct net_device
*rtap_dev
;
1590 lbs_deb_enter(LBS_DEB_MAIN
);
1591 if (priv
->rtap_net_dev
) {
1596 rtap_dev
= alloc_netdev(0, "rtap%d", ether_setup
);
1597 if (rtap_dev
== NULL
) {
1602 memcpy(rtap_dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
1603 rtap_dev
->type
= ARPHRD_IEEE80211_RADIOTAP
;
1604 rtap_dev
->open
= lbs_rtap_open
;
1605 rtap_dev
->stop
= lbs_rtap_stop
;
1606 rtap_dev
->get_stats
= lbs_rtap_get_stats
;
1607 rtap_dev
->hard_start_xmit
= lbs_rtap_hard_start_xmit
;
1608 rtap_dev
->priv
= priv
;
1609 SET_NETDEV_DEV(rtap_dev
, priv
->dev
->dev
.parent
);
1611 ret
= register_netdev(rtap_dev
);
1613 free_netdev(rtap_dev
);
1616 priv
->rtap_net_dev
= rtap_dev
;
1619 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1623 #ifndef CONFIG_IEEE80211
1624 const char *escape_essid(const char *essid
, u8 essid_len
)
1626 static char escaped
[IW_ESSID_MAX_SIZE
* 2 + 1];
1627 const char *s
= essid
;
1630 if (ieee80211_is_empty_essid(essid
, essid_len
)) {
1631 memcpy(escaped
, "<hidden>", sizeof("<hidden>"));
1635 essid_len
= min(essid_len
, (u8
) IW_ESSID_MAX_SIZE
);
1636 while (essid_len
--) {
1650 module_init(lbs_init_module
);
1651 module_exit(lbs_exit_module
);
1653 MODULE_DESCRIPTION("Libertas WLAN Driver Library");
1654 MODULE_AUTHOR("Marvell International Ltd.");
1655 MODULE_LICENSE("GPL");