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/freezer.h>
10 #include <linux/etherdevice.h>
11 #include <linux/netdevice.h>
12 #include <linux/if_arp.h>
13 #include <linux/kthread.h>
15 #include <net/iw_handler.h>
16 #include <net/ieee80211.h>
26 #define DRIVER_RELEASE_VERSION "323.p0"
27 const char libertas_driver_version
[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
34 /* Module parameters */
35 unsigned int libertas_debug
= 0;
36 module_param(libertas_debug
, int, 0644);
37 EXPORT_SYMBOL_GPL(libertas_debug
);
40 #define WLAN_TX_PWR_DEFAULT 20 /*100mW */
41 #define WLAN_TX_PWR_US_DEFAULT 20 /*100mW */
42 #define WLAN_TX_PWR_JP_DEFAULT 16 /*50mW */
43 #define WLAN_TX_PWR_FR_DEFAULT 20 /*100mW */
44 #define WLAN_TX_PWR_EMEA_DEFAULT 20 /*100mW */
46 /* Format { channel, frequency (MHz), maxtxpower } */
47 /* band: 'B/G', region: USA FCC/Canada IC */
48 static struct chan_freq_power channel_freq_power_US_BG
[] = {
49 {1, 2412, WLAN_TX_PWR_US_DEFAULT
},
50 {2, 2417, WLAN_TX_PWR_US_DEFAULT
},
51 {3, 2422, WLAN_TX_PWR_US_DEFAULT
},
52 {4, 2427, WLAN_TX_PWR_US_DEFAULT
},
53 {5, 2432, WLAN_TX_PWR_US_DEFAULT
},
54 {6, 2437, WLAN_TX_PWR_US_DEFAULT
},
55 {7, 2442, WLAN_TX_PWR_US_DEFAULT
},
56 {8, 2447, WLAN_TX_PWR_US_DEFAULT
},
57 {9, 2452, WLAN_TX_PWR_US_DEFAULT
},
58 {10, 2457, WLAN_TX_PWR_US_DEFAULT
},
59 {11, 2462, WLAN_TX_PWR_US_DEFAULT
}
62 /* band: 'B/G', region: Europe ETSI */
63 static struct chan_freq_power channel_freq_power_EU_BG
[] = {
64 {1, 2412, WLAN_TX_PWR_EMEA_DEFAULT
},
65 {2, 2417, WLAN_TX_PWR_EMEA_DEFAULT
},
66 {3, 2422, WLAN_TX_PWR_EMEA_DEFAULT
},
67 {4, 2427, WLAN_TX_PWR_EMEA_DEFAULT
},
68 {5, 2432, WLAN_TX_PWR_EMEA_DEFAULT
},
69 {6, 2437, WLAN_TX_PWR_EMEA_DEFAULT
},
70 {7, 2442, WLAN_TX_PWR_EMEA_DEFAULT
},
71 {8, 2447, WLAN_TX_PWR_EMEA_DEFAULT
},
72 {9, 2452, WLAN_TX_PWR_EMEA_DEFAULT
},
73 {10, 2457, WLAN_TX_PWR_EMEA_DEFAULT
},
74 {11, 2462, WLAN_TX_PWR_EMEA_DEFAULT
},
75 {12, 2467, WLAN_TX_PWR_EMEA_DEFAULT
},
76 {13, 2472, WLAN_TX_PWR_EMEA_DEFAULT
}
79 /* band: 'B/G', region: Spain */
80 static struct chan_freq_power channel_freq_power_SPN_BG
[] = {
81 {10, 2457, WLAN_TX_PWR_DEFAULT
},
82 {11, 2462, WLAN_TX_PWR_DEFAULT
}
85 /* band: 'B/G', region: France */
86 static struct chan_freq_power channel_freq_power_FR_BG
[] = {
87 {10, 2457, WLAN_TX_PWR_FR_DEFAULT
},
88 {11, 2462, WLAN_TX_PWR_FR_DEFAULT
},
89 {12, 2467, WLAN_TX_PWR_FR_DEFAULT
},
90 {13, 2472, WLAN_TX_PWR_FR_DEFAULT
}
93 /* band: 'B/G', region: Japan */
94 static struct chan_freq_power channel_freq_power_JPN_BG
[] = {
95 {1, 2412, WLAN_TX_PWR_JP_DEFAULT
},
96 {2, 2417, WLAN_TX_PWR_JP_DEFAULT
},
97 {3, 2422, WLAN_TX_PWR_JP_DEFAULT
},
98 {4, 2427, WLAN_TX_PWR_JP_DEFAULT
},
99 {5, 2432, WLAN_TX_PWR_JP_DEFAULT
},
100 {6, 2437, WLAN_TX_PWR_JP_DEFAULT
},
101 {7, 2442, WLAN_TX_PWR_JP_DEFAULT
},
102 {8, 2447, WLAN_TX_PWR_JP_DEFAULT
},
103 {9, 2452, WLAN_TX_PWR_JP_DEFAULT
},
104 {10, 2457, WLAN_TX_PWR_JP_DEFAULT
},
105 {11, 2462, WLAN_TX_PWR_JP_DEFAULT
},
106 {12, 2467, WLAN_TX_PWR_JP_DEFAULT
},
107 {13, 2472, WLAN_TX_PWR_JP_DEFAULT
},
108 {14, 2484, WLAN_TX_PWR_JP_DEFAULT
}
112 * the structure for channel, frequency and power
114 struct region_cfp_table
{
116 struct chan_freq_power
*cfp_BG
;
121 * the structure for the mapping between region and CFP
123 static struct region_cfp_table region_cfp_table
[] = {
125 channel_freq_power_US_BG
,
126 sizeof(channel_freq_power_US_BG
) / sizeof(struct chan_freq_power
),
129 {0x20, /*CANADA IC */
130 channel_freq_power_US_BG
,
131 sizeof(channel_freq_power_US_BG
) / sizeof(struct chan_freq_power
),
134 {0x30, /*EU*/ channel_freq_power_EU_BG
,
135 sizeof(channel_freq_power_EU_BG
) / sizeof(struct chan_freq_power
),
138 {0x31, /*SPAIN*/ channel_freq_power_SPN_BG
,
139 sizeof(channel_freq_power_SPN_BG
) / sizeof(struct chan_freq_power
),
142 {0x32, /*FRANCE*/ channel_freq_power_FR_BG
,
143 sizeof(channel_freq_power_FR_BG
) / sizeof(struct chan_freq_power
),
146 {0x40, /*JAPAN*/ channel_freq_power_JPN_BG
,
147 sizeof(channel_freq_power_JPN_BG
) / sizeof(struct chan_freq_power
),
150 /*Add new region here */
154 * the table to keep region code
156 u16 libertas_region_code_to_index
[MRVDRV_MAX_REGION_CODE
] =
157 { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
160 * 802.11b/g supported bitrates (in 500Kb/s units)
162 u8 libertas_bg_rates
[MAX_RATES
] =
163 { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
167 * FW rate table. FW refers to rates by their index in this table, not by the
168 * rate value itself. Values of 0x00 are
169 * reserved positions.
171 static u8 fw_data_rates
[MAX_RATES
] =
172 { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
173 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
177 * @brief use index to get the data rate
179 * @param idx The index of data rate
180 * @return data rate or 0
182 u32
libertas_fw_index_to_data_rate(u8 idx
)
184 if (idx
>= sizeof(fw_data_rates
))
186 return fw_data_rates
[idx
];
190 * @brief use rate to get the index
192 * @param rate data rate
195 u8
libertas_data_rate_to_fw_index(u32 rate
)
202 for (i
= 0; i
< sizeof(fw_data_rates
); i
++) {
203 if (rate
== fw_data_rates
[i
])
210 * Attributes exported through sysfs
214 * @brief Get function for sysfs attribute anycast_mask
216 static ssize_t
libertas_anycast_get(struct device
* dev
,
217 struct device_attribute
*attr
, char * buf
)
219 struct cmd_ds_mesh_access mesh_access
;
221 memset(&mesh_access
, 0, sizeof(mesh_access
));
222 libertas_prepare_and_send_command(to_net_dev(dev
)->priv
,
224 CMD_ACT_MESH_GET_ANYCAST
,
225 CMD_OPTION_WAITFORRSP
, 0, (void *)&mesh_access
);
227 return snprintf(buf
, 12, "0x%X\n", le32_to_cpu(mesh_access
.data
[0]));
231 * @brief Set function for sysfs attribute anycast_mask
233 static ssize_t
libertas_anycast_set(struct device
* dev
,
234 struct device_attribute
*attr
, const char * buf
, size_t count
)
236 struct cmd_ds_mesh_access mesh_access
;
239 memset(&mesh_access
, 0, sizeof(mesh_access
));
240 sscanf(buf
, "%x", &datum
);
241 mesh_access
.data
[0] = cpu_to_le32(datum
);
243 libertas_prepare_and_send_command((to_net_dev(dev
))->priv
,
245 CMD_ACT_MESH_SET_ANYCAST
,
246 CMD_OPTION_WAITFORRSP
, 0, (void *)&mesh_access
);
250 int libertas_add_rtap(wlan_private
*priv
);
251 void libertas_remove_rtap(wlan_private
*priv
);
254 * Get function for sysfs attribute rtap
256 static ssize_t
libertas_rtap_get(struct device
* dev
,
257 struct device_attribute
*attr
, char * buf
)
259 wlan_private
*priv
= (wlan_private
*) (to_net_dev(dev
))->priv
;
260 wlan_adapter
*adapter
= priv
->adapter
;
261 return snprintf(buf
, 5, "0x%X\n", adapter
->monitormode
);
265 * Set function for sysfs attribute rtap
267 static ssize_t
libertas_rtap_set(struct device
* dev
,
268 struct device_attribute
*attr
, const char * buf
, size_t count
)
271 wlan_private
*priv
= (wlan_private
*) (to_net_dev(dev
))->priv
;
272 wlan_adapter
*adapter
= priv
->adapter
;
274 sscanf(buf
, "%x", &monitor_mode
);
275 if (monitor_mode
!= WLAN_MONITOR_OFF
) {
276 if(adapter
->monitormode
== monitor_mode
)
278 if (adapter
->monitormode
== WLAN_MONITOR_OFF
) {
279 if (adapter
->mode
== IW_MODE_INFRA
)
280 libertas_send_deauthentication(priv
);
281 else if (adapter
->mode
== IW_MODE_ADHOC
)
282 libertas_stop_adhoc_network(priv
);
283 libertas_add_rtap(priv
);
285 adapter
->monitormode
= monitor_mode
;
289 if(adapter
->monitormode
== WLAN_MONITOR_OFF
)
291 adapter
->monitormode
= WLAN_MONITOR_OFF
;
292 libertas_remove_rtap(priv
);
293 netif_wake_queue(priv
->dev
);
294 netif_wake_queue(priv
->mesh_dev
);
297 libertas_prepare_and_send_command(priv
,
298 CMD_802_11_MONITOR_MODE
, CMD_ACT_SET
,
299 CMD_OPTION_WAITFORRSP
, 0, &adapter
->monitormode
);
304 * libertas_rtap attribute to be exported per mshX interface
305 * through sysfs (/sys/class/net/mshX/libertas-rtap)
307 static DEVICE_ATTR(libertas_rtap
, 0644, libertas_rtap_get
,
311 * anycast_mask attribute to be exported per mshX interface
312 * through sysfs (/sys/class/net/mshX/anycast_mask)
314 static DEVICE_ATTR(anycast_mask
, 0644, libertas_anycast_get
, libertas_anycast_set
);
316 static ssize_t
libertas_autostart_enabled_get(struct device
* dev
,
317 struct device_attribute
*attr
, char * buf
)
319 struct cmd_ds_mesh_access mesh_access
;
321 memset(&mesh_access
, 0, sizeof(mesh_access
));
322 libertas_prepare_and_send_command(to_net_dev(dev
)->priv
,
324 CMD_ACT_MESH_GET_AUTOSTART_ENABLED
,
325 CMD_OPTION_WAITFORRSP
, 0, (void *)&mesh_access
);
327 return sprintf(buf
, "%d\n", le32_to_cpu(mesh_access
.data
[0]));
330 static ssize_t
libertas_autostart_enabled_set(struct device
* dev
,
331 struct device_attribute
*attr
, const char * buf
, size_t count
)
333 struct cmd_ds_mesh_access mesh_access
;
335 wlan_private
* priv
= (to_net_dev(dev
))->priv
;
338 memset(&mesh_access
, 0, sizeof(mesh_access
));
339 sscanf(buf
, "%d", &datum
);
340 mesh_access
.data
[0] = cpu_to_le32(datum
);
342 ret
= libertas_prepare_and_send_command(priv
,
344 CMD_ACT_MESH_SET_AUTOSTART_ENABLED
,
345 CMD_OPTION_WAITFORRSP
, 0, (void *)&mesh_access
);
347 priv
->mesh_autostart_enabled
= datum
? 1 : 0;
352 static DEVICE_ATTR(autostart_enabled
, 0644,
353 libertas_autostart_enabled_get
, libertas_autostart_enabled_set
);
355 static struct attribute
*libertas_mesh_sysfs_entries
[] = {
356 &dev_attr_anycast_mask
.attr
,
357 &dev_attr_autostart_enabled
.attr
,
361 static struct attribute_group libertas_mesh_attr_group
= {
362 .attrs
= libertas_mesh_sysfs_entries
,
366 * @brief Check if the device can be open and wait if necessary.
368 * @param dev A pointer to net_device structure
371 * For USB adapter, on some systems the device open handler will be
372 * called before FW ready. Use the following flag check and wait
373 * function to work around the issue.
376 static int pre_open_check(struct net_device
*dev
)
378 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
379 wlan_adapter
*adapter
= priv
->adapter
;
382 while (!adapter
->fw_ready
&& i
< 20) {
384 msleep_interruptible(100);
386 if (!adapter
->fw_ready
) {
387 lbs_pr_err("firmware not ready\n");
395 * @brief This function opens the device
397 * @param dev A pointer to net_device structure
400 static int libertas_dev_open(struct net_device
*dev
)
402 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
403 wlan_adapter
*adapter
= priv
->adapter
;
405 lbs_deb_enter(LBS_DEB_NET
);
409 if (adapter
->connect_status
== LIBERTAS_CONNECTED
) {
410 netif_carrier_on(priv
->dev
);
412 netif_carrier_on(priv
->mesh_dev
);
414 netif_carrier_off(priv
->dev
);
416 netif_carrier_off(priv
->mesh_dev
);
419 lbs_deb_leave(LBS_DEB_NET
);
423 * @brief This function opens the mshX interface
425 * @param dev A pointer to net_device structure
428 static int libertas_mesh_open(struct net_device
*dev
)
430 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
432 if (pre_open_check(dev
) == -1)
434 priv
->mesh_open
= 1 ;
435 netif_wake_queue(priv
->mesh_dev
);
436 if (priv
->infra_open
== 0)
437 return libertas_dev_open(priv
->dev
) ;
442 * @brief This function opens the ethX interface
444 * @param dev A pointer to net_device structure
447 static int libertas_open(struct net_device
*dev
)
449 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
451 if(pre_open_check(dev
) == -1)
453 priv
->infra_open
= 1 ;
454 netif_wake_queue(priv
->dev
);
456 return libertas_dev_open(priv
->dev
) ;
460 static int libertas_dev_close(struct net_device
*dev
)
462 wlan_private
*priv
= dev
->priv
;
464 lbs_deb_enter(LBS_DEB_NET
);
466 netif_carrier_off(priv
->dev
);
469 lbs_deb_leave(LBS_DEB_NET
);
474 * @brief This function closes the mshX interface
476 * @param dev A pointer to net_device structure
479 static int libertas_mesh_close(struct net_device
*dev
)
481 wlan_private
*priv
= (wlan_private
*) (dev
->priv
);
484 netif_stop_queue(priv
->mesh_dev
);
485 if (priv
->infra_open
== 0)
486 return libertas_dev_close(dev
);
492 * @brief This function closes the ethX interface
494 * @param dev A pointer to net_device structure
497 static int libertas_close(struct net_device
*dev
)
499 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
501 netif_stop_queue(dev
);
502 priv
->infra_open
= 0;
503 if (priv
->mesh_open
== 0)
504 return libertas_dev_close(dev
);
510 static int libertas_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
513 wlan_private
*priv
= dev
->priv
;
515 lbs_deb_enter(LBS_DEB_NET
);
517 if (priv
->dnld_sent
|| priv
->adapter
->TxLockFlag
) {
518 priv
->stats
.tx_dropped
++;
522 netif_stop_queue(priv
->dev
);
524 netif_stop_queue(priv
->mesh_dev
);
526 if (libertas_process_tx(priv
, skb
) == 0)
527 dev
->trans_start
= jiffies
;
529 lbs_deb_leave_args(LBS_DEB_NET
, "ret %d", ret
);
534 * @brief Mark mesh packets and handover them to libertas_hard_start_xmit
537 static int libertas_mesh_pre_start_xmit(struct sk_buff
*skb
,
538 struct net_device
*dev
)
540 wlan_private
*priv
= dev
->priv
;
543 lbs_deb_enter(LBS_DEB_MESH
);
544 if(priv
->adapter
->monitormode
!= WLAN_MONITOR_OFF
) {
545 netif_stop_queue(dev
);
551 ret
= libertas_hard_start_xmit(skb
, priv
->dev
);
552 lbs_deb_leave_args(LBS_DEB_MESH
, "ret %d", ret
);
557 * @brief Mark non-mesh packets and handover them to libertas_hard_start_xmit
560 static int libertas_pre_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
562 wlan_private
*priv
= dev
->priv
;
565 lbs_deb_enter(LBS_DEB_NET
);
567 if(priv
->adapter
->monitormode
!= WLAN_MONITOR_OFF
) {
568 netif_stop_queue(dev
);
572 UNSET_MESH_FRAME(skb
);
574 ret
= libertas_hard_start_xmit(skb
, dev
);
575 lbs_deb_leave_args(LBS_DEB_NET
, "ret %d", ret
);
579 static void libertas_tx_timeout(struct net_device
*dev
)
581 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
583 lbs_deb_enter(LBS_DEB_TX
);
585 lbs_pr_err("tx watch dog timeout\n");
587 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
588 dev
->trans_start
= jiffies
;
590 if (priv
->adapter
->currenttxskb
) {
591 if (priv
->adapter
->monitormode
!= WLAN_MONITOR_OFF
) {
592 /* If we are here, we have not received feedback from
593 the previous packet. Assume TX_FAIL and move on. */
594 priv
->adapter
->eventcause
= 0x01000000;
595 libertas_send_tx_feedback(priv
);
597 wake_up_interruptible(&priv
->waitq
);
598 } else if (priv
->adapter
->connect_status
== LIBERTAS_CONNECTED
) {
599 netif_wake_queue(priv
->dev
);
601 netif_wake_queue(priv
->mesh_dev
);
604 lbs_deb_leave(LBS_DEB_TX
);
608 * @brief This function returns the network statistics
610 * @param dev A pointer to wlan_private structure
611 * @return A pointer to net_device_stats structure
613 static struct net_device_stats
*libertas_get_stats(struct net_device
*dev
)
615 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
620 static int libertas_set_mac_address(struct net_device
*dev
, void *addr
)
623 wlan_private
*priv
= (wlan_private
*) dev
->priv
;
624 wlan_adapter
*adapter
= priv
->adapter
;
625 struct sockaddr
*phwaddr
= addr
;
627 lbs_deb_enter(LBS_DEB_NET
);
629 /* In case it was called from the mesh device */
632 memset(adapter
->current_addr
, 0, ETH_ALEN
);
634 /* dev->dev_addr is 8 bytes */
635 lbs_deb_hex(LBS_DEB_NET
, "dev->dev_addr", dev
->dev_addr
, ETH_ALEN
);
637 lbs_deb_hex(LBS_DEB_NET
, "addr", phwaddr
->sa_data
, ETH_ALEN
);
638 memcpy(adapter
->current_addr
, phwaddr
->sa_data
, ETH_ALEN
);
640 ret
= libertas_prepare_and_send_command(priv
, CMD_802_11_MAC_ADDRESS
,
642 CMD_OPTION_WAITFORRSP
, 0, NULL
);
645 lbs_deb_net("set MAC address failed\n");
650 lbs_deb_hex(LBS_DEB_NET
, "adapter->macaddr", adapter
->current_addr
, ETH_ALEN
);
651 memcpy(dev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
653 memcpy(priv
->mesh_dev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
656 lbs_deb_leave_args(LBS_DEB_NET
, "ret %d", ret
);
660 static int libertas_copy_multicast_address(wlan_adapter
* adapter
,
661 struct net_device
*dev
)
664 struct dev_mc_list
*mcptr
= dev
->mc_list
;
666 for (i
= 0; i
< dev
->mc_count
; i
++) {
667 memcpy(&adapter
->multicastlist
[i
], mcptr
->dmi_addr
, ETH_ALEN
);
675 static void libertas_set_multicast_list(struct net_device
*dev
)
677 wlan_private
*priv
= dev
->priv
;
678 wlan_adapter
*adapter
= priv
->adapter
;
681 lbs_deb_enter(LBS_DEB_NET
);
683 oldpacketfilter
= adapter
->currentpacketfilter
;
685 if (dev
->flags
& IFF_PROMISC
) {
686 lbs_deb_net("enable promiscuous mode\n");
687 adapter
->currentpacketfilter
|=
688 CMD_ACT_MAC_PROMISCUOUS_ENABLE
;
689 adapter
->currentpacketfilter
&=
690 ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE
|
691 CMD_ACT_MAC_MULTICAST_ENABLE
);
694 adapter
->currentpacketfilter
&=
695 ~CMD_ACT_MAC_PROMISCUOUS_ENABLE
;
697 if (dev
->flags
& IFF_ALLMULTI
|| dev
->mc_count
>
698 MRVDRV_MAX_MULTICAST_LIST_SIZE
) {
699 lbs_deb_net( "enabling all multicast\n");
700 adapter
->currentpacketfilter
|=
701 CMD_ACT_MAC_ALL_MULTICAST_ENABLE
;
702 adapter
->currentpacketfilter
&=
703 ~CMD_ACT_MAC_MULTICAST_ENABLE
;
705 adapter
->currentpacketfilter
&=
706 ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE
;
708 if (!dev
->mc_count
) {
709 lbs_deb_net("no multicast addresses, "
710 "disabling multicast\n");
711 adapter
->currentpacketfilter
&=
712 ~CMD_ACT_MAC_MULTICAST_ENABLE
;
716 adapter
->currentpacketfilter
|=
717 CMD_ACT_MAC_MULTICAST_ENABLE
;
719 adapter
->nr_of_multicastmacaddr
=
720 libertas_copy_multicast_address(adapter
, dev
);
722 lbs_deb_net("multicast addresses: %d\n",
725 for (i
= 0; i
< dev
->mc_count
; i
++) {
726 lbs_deb_net("Multicast address %d:"
728 adapter
->multicastlist
[i
][0],
729 adapter
->multicastlist
[i
][1],
730 adapter
->multicastlist
[i
][2],
731 adapter
->multicastlist
[i
][3],
732 adapter
->multicastlist
[i
][4],
733 adapter
->multicastlist
[i
][5]);
735 /* send multicast addresses to firmware */
736 libertas_prepare_and_send_command(priv
,
737 CMD_MAC_MULTICAST_ADR
,
744 if (adapter
->currentpacketfilter
!= oldpacketfilter
) {
745 libertas_set_mac_packet_filter(priv
);
748 lbs_deb_leave(LBS_DEB_NET
);
752 * @brief This function handles the major jobs in the WLAN driver.
753 * It handles all events generated by firmware, RX data received
754 * from firmware and TX data sent from kernel.
756 * @param data A pointer to wlan_thread structure
759 static int libertas_thread(void *data
)
761 struct net_device
*dev
= data
;
762 wlan_private
*priv
= dev
->priv
;
763 wlan_adapter
*adapter
= priv
->adapter
;
767 lbs_deb_enter(LBS_DEB_THREAD
);
769 init_waitqueue_entry(&wait
, current
);
773 lbs_deb_thread( "main-thread 111: intcounter=%d "
774 "currenttxskb=%p dnld_sent=%d\n",
776 adapter
->currenttxskb
, priv
->dnld_sent
);
778 add_wait_queue(&priv
->waitq
, &wait
);
779 set_current_state(TASK_INTERRUPTIBLE
);
780 spin_lock_irq(&adapter
->driver_lock
);
781 if ((adapter
->psstate
== PS_STATE_SLEEP
) ||
782 (!adapter
->intcounter
783 && (priv
->dnld_sent
|| adapter
->cur_cmd
||
784 list_empty(&adapter
->cmdpendingq
)))) {
786 "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
787 adapter
->connect_status
, adapter
->intcounter
,
788 adapter
->psmode
, adapter
->psstate
);
789 spin_unlock_irq(&adapter
->driver_lock
);
792 spin_unlock_irq(&adapter
->driver_lock
);
795 "main-thread 222 (waking up): intcounter=%d currenttxskb=%p "
796 "dnld_sent=%d\n", adapter
->intcounter
,
797 adapter
->currenttxskb
, priv
->dnld_sent
);
799 set_current_state(TASK_RUNNING
);
800 remove_wait_queue(&priv
->waitq
, &wait
);
803 lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p "
806 adapter
->currenttxskb
, priv
->dnld_sent
);
808 if (kthread_should_stop()
809 || adapter
->surpriseremoved
) {
811 "main-thread: break from main thread: surpriseremoved=0x%x\n",
812 adapter
->surpriseremoved
);
817 spin_lock_irq(&adapter
->driver_lock
);
818 if (adapter
->intcounter
) {
820 adapter
->intcounter
= 0;
821 int_status
= priv
->hw_get_int_status(priv
, &ireg
);
825 "main-thread: reading HOST_INT_STATUS_REG failed\n");
826 spin_unlock_irq(&adapter
->driver_lock
);
829 adapter
->hisregcpy
|= ireg
;
832 lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p "
835 adapter
->currenttxskb
, priv
->dnld_sent
);
837 /* command response? */
838 if (adapter
->hisregcpy
& MRVDRV_CMD_UPLD_RDY
) {
839 lbs_deb_thread("main-thread: cmd response ready\n");
841 adapter
->hisregcpy
&= ~MRVDRV_CMD_UPLD_RDY
;
842 spin_unlock_irq(&adapter
->driver_lock
);
843 libertas_process_rx_command(priv
);
844 spin_lock_irq(&adapter
->driver_lock
);
848 if (adapter
->hisregcpy
& MRVDRV_CARDEVENT
) {
849 lbs_deb_thread("main-thread: Card Event Activity\n");
851 adapter
->hisregcpy
&= ~MRVDRV_CARDEVENT
;
853 if (priv
->hw_read_event_cause(priv
)) {
855 "main-thread: hw_read_event_cause failed\n");
856 spin_unlock_irq(&adapter
->driver_lock
);
859 spin_unlock_irq(&adapter
->driver_lock
);
860 libertas_process_event(priv
);
862 spin_unlock_irq(&adapter
->driver_lock
);
864 /* Check if we need to confirm Sleep Request received previously */
865 if (adapter
->psstate
== PS_STATE_PRE_SLEEP
) {
866 if (!priv
->dnld_sent
&& !adapter
->cur_cmd
) {
867 if (adapter
->connect_status
==
868 LIBERTAS_CONNECTED
) {
870 "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p "
871 "dnld_sent=%d cur_cmd=%p, confirm now\n",
873 adapter
->currenttxskb
,
877 libertas_ps_confirm_sleep(priv
,
878 (u16
) adapter
->psmode
);
880 /* workaround for firmware sending
881 * deauth/linkloss event immediately
882 * after sleep request, remove this
883 * after firmware fixes it
885 adapter
->psstate
= PS_STATE_AWAKE
;
887 "main-thread: ignore PS_SleepConfirm in non-connected state\n");
892 /* The PS state is changed during processing of Sleep Request
895 if ((priv
->adapter
->psstate
== PS_STATE_SLEEP
) ||
896 (priv
->adapter
->psstate
== PS_STATE_PRE_SLEEP
))
899 /* Execute the next command */
900 if (!priv
->dnld_sent
&& !priv
->adapter
->cur_cmd
)
901 libertas_execute_next_command(priv
);
903 /* Wake-up command waiters which can't sleep in
904 * libertas_prepare_and_send_command
906 if (!adapter
->nr_cmd_pending
)
907 wake_up_all(&adapter
->cmd_pending
);
909 libertas_tx_runqueue(priv
);
912 del_timer(&adapter
->command_timer
);
913 adapter
->nr_cmd_pending
= 0;
914 wake_up_all(&adapter
->cmd_pending
);
916 lbs_deb_leave(LBS_DEB_THREAD
);
921 * @brief This function downloads firmware image, gets
922 * HW spec from firmware and set basic parameters to
925 * @param priv A pointer to wlan_private structure
928 static int wlan_setup_firmware(wlan_private
* priv
)
931 wlan_adapter
*adapter
= priv
->adapter
;
932 struct cmd_ds_mesh_access mesh_access
;
934 lbs_deb_enter(LBS_DEB_FW
);
937 * Read MAC address from HW
939 memset(adapter
->current_addr
, 0xff, ETH_ALEN
);
941 ret
= libertas_prepare_and_send_command(priv
, CMD_GET_HW_SPEC
,
942 0, CMD_OPTION_WAITFORRSP
, 0, NULL
);
949 libertas_set_mac_packet_filter(priv
);
951 /* Get the supported Data rates */
952 ret
= libertas_prepare_and_send_command(priv
, CMD_802_11_DATA_RATE
,
954 CMD_OPTION_WAITFORRSP
, 0, NULL
);
961 /* Disable mesh autostart */
962 if (priv
->mesh_dev
) {
963 memset(&mesh_access
, 0, sizeof(mesh_access
));
964 mesh_access
.data
[0] = cpu_to_le32(0);
965 ret
= libertas_prepare_and_send_command(priv
,
967 CMD_ACT_MESH_SET_AUTOSTART_ENABLED
,
968 CMD_OPTION_WAITFORRSP
, 0, (void *)&mesh_access
);
973 priv
->mesh_autostart_enabled
= 0;
976 /* Set the boot2 version in firmware */
977 ret
= libertas_prepare_and_send_command(priv
, CMD_SET_BOOT2_VER
,
978 0, CMD_OPTION_WAITFORRSP
, 0, NULL
);
982 lbs_deb_leave_args(LBS_DEB_FW
, "ret %d", ret
);
987 * This function handles the timeout of command sending.
988 * It will re-send the same command again.
990 static void command_timer_fn(unsigned long data
)
992 wlan_private
*priv
= (wlan_private
*)data
;
993 wlan_adapter
*adapter
= priv
->adapter
;
994 struct cmd_ctrl_node
*ptempnode
;
995 struct cmd_ds_command
*cmd
;
998 ptempnode
= adapter
->cur_cmd
;
999 if (ptempnode
== NULL
) {
1000 lbs_deb_fw("ptempnode empty\n");
1004 cmd
= (struct cmd_ds_command
*)ptempnode
->bufvirtualaddr
;
1006 lbs_deb_fw("cmd is NULL\n");
1010 lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd
->command
);
1012 if (!adapter
->fw_ready
)
1015 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
1016 adapter
->cur_cmd
= NULL
;
1017 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
1019 lbs_deb_fw("re-sending same command because of timeout\n");
1020 libertas_queue_cmd(adapter
, ptempnode
, 0);
1022 wake_up_interruptible(&priv
->waitq
);
1027 static int libertas_init_adapter(wlan_private
* priv
)
1029 wlan_adapter
*adapter
= priv
->adapter
;
1033 /* Allocate buffer to store the BSSID list */
1034 bufsize
= MAX_NETWORK_COUNT
* sizeof(struct bss_descriptor
);
1035 adapter
->networks
= kzalloc(bufsize
, GFP_KERNEL
);
1036 if (!adapter
->networks
) {
1037 lbs_pr_err("Out of memory allocating beacons\n");
1042 /* Initialize scan result lists */
1043 INIT_LIST_HEAD(&adapter
->network_free_list
);
1044 INIT_LIST_HEAD(&adapter
->network_list
);
1045 for (i
= 0; i
< MAX_NETWORK_COUNT
; i
++) {
1046 list_add_tail(&adapter
->networks
[i
].list
,
1047 &adapter
->network_free_list
);
1050 adapter
->libertas_ps_confirm_sleep
.seqnum
= cpu_to_le16(++adapter
->seqnum
);
1051 adapter
->libertas_ps_confirm_sleep
.command
=
1052 cpu_to_le16(CMD_802_11_PS_MODE
);
1053 adapter
->libertas_ps_confirm_sleep
.size
=
1054 cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep
));
1055 adapter
->libertas_ps_confirm_sleep
.action
=
1056 cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED
);
1058 memset(adapter
->current_addr
, 0xff, ETH_ALEN
);
1060 adapter
->connect_status
= LIBERTAS_DISCONNECTED
;
1061 adapter
->secinfo
.auth_mode
= IW_AUTH_ALG_OPEN_SYSTEM
;
1062 adapter
->mode
= IW_MODE_INFRA
;
1063 adapter
->curbssparams
.channel
= DEFAULT_AD_HOC_CHANNEL
;
1064 adapter
->currentpacketfilter
= CMD_ACT_MAC_RX_ON
| CMD_ACT_MAC_TX_ON
;
1065 adapter
->radioon
= RADIO_ON
;
1066 adapter
->auto_rate
= 1;
1067 adapter
->capability
= WLAN_CAPABILITY_SHORT_PREAMBLE
;
1068 adapter
->psmode
= WLAN802_11POWERMODECAM
;
1069 adapter
->psstate
= PS_STATE_FULL_POWER
;
1071 mutex_init(&adapter
->lock
);
1073 memset(&adapter
->tx_queue_ps
, 0, NR_TX_QUEUE
*sizeof(struct sk_buff
*));
1074 adapter
->tx_queue_idx
= 0;
1075 spin_lock_init(&adapter
->txqueue_lock
);
1077 setup_timer(&adapter
->command_timer
, command_timer_fn
,
1078 (unsigned long)priv
);
1080 INIT_LIST_HEAD(&adapter
->cmdfreeq
);
1081 INIT_LIST_HEAD(&adapter
->cmdpendingq
);
1083 spin_lock_init(&adapter
->driver_lock
);
1084 init_waitqueue_head(&adapter
->cmd_pending
);
1085 adapter
->nr_cmd_pending
= 0;
1087 /* Allocate the command buffers */
1088 if (libertas_allocate_cmd_buffer(priv
)) {
1089 lbs_pr_err("Out of memory allocating command buffers\n");
1097 static void libertas_free_adapter(wlan_private
* priv
)
1099 wlan_adapter
*adapter
= priv
->adapter
;
1102 lbs_deb_fw("why double free adapter?\n");
1106 lbs_deb_fw("free command buffer\n");
1107 libertas_free_cmd_buffer(priv
);
1109 lbs_deb_fw("free command_timer\n");
1110 del_timer(&adapter
->command_timer
);
1112 lbs_deb_fw("free scan results table\n");
1113 kfree(adapter
->networks
);
1114 adapter
->networks
= NULL
;
1116 /* Free the adapter object itself */
1117 lbs_deb_fw("free adapter\n");
1119 priv
->adapter
= NULL
;
1123 * @brief This function adds the card. it will probe the
1124 * card, allocate the wlan_priv and initialize the device.
1126 * @param card A pointer to card
1127 * @return A pointer to wlan_private structure
1129 wlan_private
*libertas_add_card(void *card
, struct device
*dmdev
)
1131 struct net_device
*dev
= NULL
;
1132 wlan_private
*priv
= NULL
;
1134 lbs_deb_enter(LBS_DEB_NET
);
1136 /* Allocate an Ethernet device and register it */
1137 if (!(dev
= alloc_etherdev(sizeof(wlan_private
)))) {
1138 lbs_pr_err("init ethX device failed\n");
1143 /* allocate buffer for wlan_adapter */
1144 if (!(priv
->adapter
= kzalloc(sizeof(wlan_adapter
), GFP_KERNEL
))) {
1145 lbs_pr_err("allocate buffer for wlan_adapter failed\n");
1149 if (libertas_init_adapter(priv
)) {
1150 lbs_pr_err("failed to initialize adapter structure.\n");
1151 goto err_init_adapter
;
1156 priv
->mesh_open
= 0;
1157 priv
->infra_open
= 0;
1158 priv
->hotplug_device
= dmdev
;
1160 SET_MODULE_OWNER(dev
);
1162 /* Setup the OS Interface to our functions */
1163 dev
->open
= libertas_open
;
1164 dev
->hard_start_xmit
= libertas_pre_start_xmit
;
1165 dev
->stop
= libertas_close
;
1166 dev
->set_mac_address
= libertas_set_mac_address
;
1167 dev
->tx_timeout
= libertas_tx_timeout
;
1168 dev
->get_stats
= libertas_get_stats
;
1169 dev
->watchdog_timeo
= 5 * HZ
;
1170 dev
->ethtool_ops
= &libertas_ethtool_ops
;
1172 dev
->wireless_handlers
= (struct iw_handler_def
*)&libertas_handler_def
;
1174 #define NETIF_F_DYNALLOC 16
1175 dev
->features
|= NETIF_F_DYNALLOC
;
1176 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1177 dev
->set_multicast_list
= libertas_set_multicast_list
;
1179 SET_NETDEV_DEV(dev
, dmdev
);
1181 priv
->rtap_net_dev
= NULL
;
1182 if (device_create_file(dmdev
, &dev_attr_libertas_rtap
))
1183 goto err_init_adapter
;
1185 lbs_deb_thread("Starting main thread...\n");
1186 init_waitqueue_head(&priv
->waitq
);
1187 priv
->main_thread
= kthread_run(libertas_thread
, dev
, "libertas_main");
1188 if (IS_ERR(priv
->main_thread
)) {
1189 lbs_deb_thread("Error creating main thread.\n");
1190 goto err_kthread_run
;
1193 priv
->work_thread
= create_singlethread_workqueue("libertas_worker");
1194 INIT_DELAYED_WORK(&priv
->assoc_work
, libertas_association_worker
);
1195 INIT_DELAYED_WORK(&priv
->scan_work
, libertas_scan_worker
);
1196 INIT_WORK(&priv
->sync_channel
, libertas_sync_channel
);
1201 device_remove_file(dmdev
, &dev_attr_libertas_rtap
);
1204 libertas_free_adapter(priv
);
1211 lbs_deb_leave_args(LBS_DEB_NET
, "priv %p", priv
);
1214 EXPORT_SYMBOL_GPL(libertas_add_card
);
1217 int libertas_remove_card(wlan_private
*priv
)
1219 wlan_adapter
*adapter
= priv
->adapter
;
1220 struct net_device
*dev
= priv
->dev
;
1221 union iwreq_data wrqu
;
1223 lbs_deb_enter(LBS_DEB_MAIN
);
1225 libertas_remove_rtap(priv
);
1228 device_remove_file(priv
->hotplug_device
, &dev_attr_libertas_rtap
);
1230 cancel_delayed_work(&priv
->scan_work
);
1231 cancel_delayed_work(&priv
->assoc_work
);
1232 destroy_workqueue(priv
->work_thread
);
1234 if (adapter
->psmode
== WLAN802_11POWERMODEMAX_PSP
) {
1235 adapter
->psmode
= WLAN802_11POWERMODECAM
;
1236 libertas_ps_wakeup(priv
, CMD_OPTION_WAITFORRSP
);
1239 memset(wrqu
.ap_addr
.sa_data
, 0xaa, ETH_ALEN
);
1240 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
1241 wireless_send_event(priv
->dev
, SIOCGIWAP
, &wrqu
, NULL
);
1243 /* Stop the thread servicing the interrupts */
1244 adapter
->surpriseremoved
= 1;
1245 kthread_stop(priv
->main_thread
);
1247 libertas_free_adapter(priv
);
1252 lbs_deb_leave(LBS_DEB_MAIN
);
1255 EXPORT_SYMBOL_GPL(libertas_remove_card
);
1258 int libertas_start_card(wlan_private
*priv
)
1260 struct net_device
*dev
= priv
->dev
;
1263 lbs_deb_enter(LBS_DEB_MAIN
);
1265 /* poke the firmware */
1266 ret
= wlan_setup_firmware(priv
);
1271 libertas_init_11d(priv
);
1273 if (register_netdev(dev
)) {
1274 lbs_pr_err("cannot register ethX device\n");
1278 libertas_debugfs_init_one(priv
, dev
);
1280 lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev
->name
);
1285 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1288 EXPORT_SYMBOL_GPL(libertas_start_card
);
1291 int libertas_stop_card(wlan_private
*priv
)
1293 struct net_device
*dev
= priv
->dev
;
1295 struct cmd_ctrl_node
*cmdnode
;
1296 unsigned long flags
;
1298 lbs_deb_enter(LBS_DEB_MAIN
);
1300 netif_stop_queue(priv
->dev
);
1301 netif_carrier_off(priv
->dev
);
1303 libertas_debugfs_remove_one(priv
);
1305 /* Flush pending command nodes */
1306 spin_lock_irqsave(&priv
->adapter
->driver_lock
, flags
);
1307 list_for_each_entry(cmdnode
, &priv
->adapter
->cmdpendingq
, list
) {
1308 cmdnode
->cmdwaitqwoken
= 1;
1309 wake_up_interruptible(&cmdnode
->cmdwait_q
);
1311 spin_unlock_irqrestore(&priv
->adapter
->driver_lock
, flags
);
1313 unregister_netdev(dev
);
1315 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1318 EXPORT_SYMBOL_GPL(libertas_stop_card
);
1322 * @brief This function adds mshX interface
1324 * @param priv A pointer to the wlan_private structure
1325 * @return 0 if successful, -X otherwise
1327 int libertas_add_mesh(wlan_private
*priv
, struct device
*dev
)
1329 struct net_device
*mesh_dev
= NULL
;
1332 lbs_deb_enter(LBS_DEB_MESH
);
1334 /* Allocate a virtual mesh device */
1335 if (!(mesh_dev
= alloc_netdev(0, "msh%d", ether_setup
))) {
1336 lbs_deb_mesh("init mshX device failed\n");
1340 mesh_dev
->priv
= priv
;
1341 priv
->mesh_dev
= mesh_dev
;
1343 SET_MODULE_OWNER(mesh_dev
);
1345 mesh_dev
->open
= libertas_mesh_open
;
1346 mesh_dev
->hard_start_xmit
= libertas_mesh_pre_start_xmit
;
1347 mesh_dev
->stop
= libertas_mesh_close
;
1348 mesh_dev
->get_stats
= libertas_get_stats
;
1349 mesh_dev
->set_mac_address
= libertas_set_mac_address
;
1350 mesh_dev
->ethtool_ops
= &libertas_ethtool_ops
;
1351 memcpy(mesh_dev
->dev_addr
, priv
->dev
->dev_addr
,
1352 sizeof(priv
->dev
->dev_addr
));
1354 SET_NETDEV_DEV(priv
->mesh_dev
, dev
);
1357 mesh_dev
->wireless_handlers
= (struct iw_handler_def
*)&mesh_handler_def
;
1359 #define NETIF_F_DYNALLOC 16
1361 /* Register virtual mesh interface */
1362 ret
= register_netdev(mesh_dev
);
1364 lbs_pr_err("cannot register mshX virtual interface\n");
1368 ret
= sysfs_create_group(&(mesh_dev
->dev
.kobj
), &libertas_mesh_attr_group
);
1370 goto err_unregister
;
1372 /* Everything successful */
1377 unregister_netdev(mesh_dev
);
1380 free_netdev(mesh_dev
);
1383 lbs_deb_leave_args(LBS_DEB_MESH
, "ret %d", ret
);
1386 EXPORT_SYMBOL_GPL(libertas_add_mesh
);
1389 void libertas_remove_mesh(wlan_private
*priv
)
1391 struct net_device
*mesh_dev
;
1393 lbs_deb_enter(LBS_DEB_MAIN
);
1398 mesh_dev
= priv
->mesh_dev
;
1400 netif_stop_queue(mesh_dev
);
1401 netif_carrier_off(priv
->mesh_dev
);
1403 sysfs_remove_group(&(mesh_dev
->dev
.kobj
), &libertas_mesh_attr_group
);
1404 unregister_netdev(mesh_dev
);
1406 priv
->mesh_dev
= NULL
;
1407 free_netdev(mesh_dev
);
1410 lbs_deb_leave(LBS_DEB_MAIN
);
1412 EXPORT_SYMBOL_GPL(libertas_remove_mesh
);
1415 * @brief This function finds the CFP in
1416 * region_cfp_table based on region and band parameter.
1418 * @param region The region code
1419 * @param band The band
1420 * @param cfp_no A pointer to CFP number
1421 * @return A pointer to CFP
1423 struct chan_freq_power
*libertas_get_region_cfp_table(u8 region
, u8 band
, int *cfp_no
)
1427 lbs_deb_enter(LBS_DEB_MAIN
);
1429 end
= sizeof(region_cfp_table
)/sizeof(struct region_cfp_table
);
1431 for (i
= 0; i
< end
; i
++) {
1432 lbs_deb_main("region_cfp_table[i].region=%d\n",
1433 region_cfp_table
[i
].region
);
1434 if (region_cfp_table
[i
].region
== region
) {
1435 *cfp_no
= region_cfp_table
[i
].cfp_no_BG
;
1436 lbs_deb_leave(LBS_DEB_MAIN
);
1437 return region_cfp_table
[i
].cfp_BG
;
1441 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret NULL");
1445 int libertas_set_regiontable(wlan_private
* priv
, u8 region
, u8 band
)
1447 wlan_adapter
*adapter
= priv
->adapter
;
1451 struct chan_freq_power
*cfp
;
1454 lbs_deb_enter(LBS_DEB_MAIN
);
1456 memset(adapter
->region_channel
, 0, sizeof(adapter
->region_channel
));
1459 cfp
= libertas_get_region_cfp_table(region
, band
, &cfp_no
);
1461 adapter
->region_channel
[i
].nrcfp
= cfp_no
;
1462 adapter
->region_channel
[i
].CFP
= cfp
;
1464 lbs_deb_main("wrong region code %#x in band B/G\n",
1469 adapter
->region_channel
[i
].valid
= 1;
1470 adapter
->region_channel
[i
].region
= region
;
1471 adapter
->region_channel
[i
].band
= band
;
1475 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1480 * @brief This function handles the interrupt. it will change PS
1481 * state if applicable. it will wake up main_thread to handle
1482 * the interrupt event as well.
1484 * @param dev A pointer to net_device structure
1487 void libertas_interrupt(struct net_device
*dev
)
1489 wlan_private
*priv
= dev
->priv
;
1491 lbs_deb_enter(LBS_DEB_THREAD
);
1493 lbs_deb_thread("libertas_interrupt: intcounter=%d\n",
1494 priv
->adapter
->intcounter
);
1496 priv
->adapter
->intcounter
++;
1498 if (priv
->adapter
->psstate
== PS_STATE_SLEEP
) {
1499 priv
->adapter
->psstate
= PS_STATE_AWAKE
;
1500 netif_wake_queue(dev
);
1502 netif_wake_queue(priv
->mesh_dev
);
1505 wake_up_interruptible(&priv
->waitq
);
1507 lbs_deb_leave(LBS_DEB_THREAD
);
1509 EXPORT_SYMBOL_GPL(libertas_interrupt
);
1511 int libertas_reset_device(wlan_private
*priv
)
1515 lbs_deb_enter(LBS_DEB_MAIN
);
1516 ret
= libertas_prepare_and_send_command(priv
, CMD_802_11_RESET
,
1517 CMD_ACT_HALT
, 0, 0, NULL
);
1518 msleep_interruptible(10);
1520 lbs_deb_leave_args(LBS_DEB_MAIN
, "ret %d", ret
);
1523 EXPORT_SYMBOL_GPL(libertas_reset_device
);
1525 static int libertas_init_module(void)
1527 lbs_deb_enter(LBS_DEB_MAIN
);
1528 libertas_debugfs_init();
1529 lbs_deb_leave(LBS_DEB_MAIN
);
1533 static void libertas_exit_module(void)
1535 lbs_deb_enter(LBS_DEB_MAIN
);
1537 libertas_debugfs_remove();
1539 lbs_deb_leave(LBS_DEB_MAIN
);
1543 * rtap interface support fuctions
1546 static int libertas_rtap_open(struct net_device
*dev
)
1548 netif_carrier_off(dev
);
1549 netif_stop_queue(dev
);
1553 static int libertas_rtap_stop(struct net_device
*dev
)
1558 static int libertas_rtap_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
1560 netif_stop_queue(dev
);
1564 static struct net_device_stats
*libertas_rtap_get_stats(struct net_device
*dev
)
1566 wlan_private
*priv
= dev
->priv
;
1567 return &priv
->ieee
->stats
;
1571 void libertas_remove_rtap(wlan_private
*priv
)
1573 if (priv
->rtap_net_dev
== NULL
)
1575 unregister_netdev(priv
->rtap_net_dev
);
1576 free_ieee80211(priv
->rtap_net_dev
);
1577 priv
->rtap_net_dev
= NULL
;
1580 int libertas_add_rtap(wlan_private
*priv
)
1584 if (priv
->rtap_net_dev
)
1587 priv
->rtap_net_dev
= alloc_ieee80211(0);
1588 if (priv
->rtap_net_dev
== NULL
)
1592 priv
->ieee
= netdev_priv(priv
->rtap_net_dev
);
1594 strcpy(priv
->rtap_net_dev
->name
, "rtap%d");
1596 priv
->rtap_net_dev
->type
= ARPHRD_IEEE80211_RADIOTAP
;
1597 priv
->rtap_net_dev
->open
= libertas_rtap_open
;
1598 priv
->rtap_net_dev
->stop
= libertas_rtap_stop
;
1599 priv
->rtap_net_dev
->get_stats
= libertas_rtap_get_stats
;
1600 priv
->rtap_net_dev
->hard_start_xmit
= libertas_rtap_hard_start_xmit
;
1601 priv
->rtap_net_dev
->set_multicast_list
= libertas_set_multicast_list
;
1602 priv
->rtap_net_dev
->priv
= priv
;
1604 priv
->ieee
->iw_mode
= IW_MODE_MONITOR
;
1606 rc
= register_netdev(priv
->rtap_net_dev
);
1608 free_ieee80211(priv
->rtap_net_dev
);
1609 priv
->rtap_net_dev
= NULL
;
1617 module_init(libertas_init_module
);
1618 module_exit(libertas_exit_module
);
1620 MODULE_DESCRIPTION("Libertas WLAN Driver Library");
1621 MODULE_AUTHOR("Marvell International Ltd.");
1622 MODULE_LICENSE("GPL");