2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #ifdef CONFIG_WIFI_CONTROL_FUNC
18 #include <linux/platform_device.h>
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/kthread.h>
23 #include <linux/slab.h>
24 #include <linux/skbuff.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/mmc/sdio_func.h>
28 #include <linux/random.h>
29 #include <linux/spinlock.h>
30 #include <linux/ethtool.h>
31 #include <linux/fcntl.h>
33 #include <linux/uaccess.h>
34 #include <linux/interrupt.h>
35 #include <linux/hardirq.h>
39 #include <dngl_stats.h>
42 #include <dhd_proto.h>
45 #include <wl_cfg80211.h>
47 #define EPI_VERSION_STR "4.218.248.5"
48 #define ETH_P_BRCM 0x886c
50 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
51 #include <linux/wifi_tiwlan.h>
53 struct semaphore wifi_control_sem
;
55 struct dhd_bus
*g_bus
;
57 static struct wifi_platform_data
*wifi_control_data
;
58 static struct resource
*wifi_irqres
;
60 int wifi_get_irq_number(unsigned long *irq_flags_ptr
)
63 *irq_flags_ptr
= wifi_irqres
->flags
& IRQF_TRIGGER_MASK
;
64 return (int)wifi_irqres
->start
;
66 #ifdef CUSTOM_OOB_GPIO_NUM
67 return CUSTOM_OOB_GPIO_NUM
;
73 int wifi_set_carddetect(int on
)
75 printk(KERN_ERR
"%s = %d\n", __func__
, on
);
76 if (wifi_control_data
&& wifi_control_data
->set_carddetect
)
77 wifi_control_data
->set_carddetect(on
);
81 int wifi_set_power(int on
, unsigned long msec
)
83 printk(KERN_ERR
"%s = %d\n", __func__
, on
);
84 if (wifi_control_data
&& wifi_control_data
->set_power
)
85 wifi_control_data
->set_power(on
);
91 int wifi_set_reset(int on
, unsigned long msec
)
93 printk(KERN_ERR
"%s = %d\n", __func__
, on
);
94 if (wifi_control_data
&& wifi_control_data
->set_reset
)
95 wifi_control_data
->set_reset(on
);
101 static int wifi_probe(struct platform_device
*pdev
)
103 struct wifi_platform_data
*wifi_ctrl
=
104 (struct wifi_platform_data
*)(pdev
->dev
.platform_data
);
106 printk(KERN_ERR
"## %s\n", __func__
);
108 platform_get_resource_byname(pdev
, IORESOURCE_IRQ
,
110 wifi_control_data
= wifi_ctrl
;
112 wifi_set_power(1, 0); /* Power On */
113 wifi_set_carddetect(1); /* CardDetect (0->1) */
115 up(&wifi_control_sem
);
119 static int wifi_remove(struct platform_device
*pdev
)
121 struct wifi_platform_data
*wifi_ctrl
=
122 (struct wifi_platform_data
*)(pdev
->dev
.platform_data
);
124 printk(KERN_ERR
"## %s\n", __func__
);
125 wifi_control_data
= wifi_ctrl
;
127 wifi_set_carddetect(0); /* CardDetect (1->0) */
128 wifi_set_power(0, 0); /* Power Off */
130 up(&wifi_control_sem
);
134 static int wifi_suspend(struct platform_device
*pdev
, pm_message_t state
)
136 DHD_TRACE(("##> %s\n", __func__
));
140 static int wifi_resume(struct platform_device
*pdev
)
142 DHD_TRACE(("##> %s\n", __func__
));
146 static struct platform_driver wifi_device
= {
148 .remove
= wifi_remove
,
149 .suspend
= wifi_suspend
,
150 .resume
= wifi_resume
,
152 .name
= KBUILD_MODNAME
,
156 int wifi_add_dev(void)
158 DHD_TRACE(("## Calling platform_driver_register\n"));
159 return platform_driver_register(&wifi_device
);
162 void wifi_del_dev(void)
164 DHD_TRACE(("## Unregister platform_driver_register\n"));
165 platform_driver_unregister(&wifi_device
);
167 #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
169 #if defined(CONFIG_PM_SLEEP)
170 #include <linux/suspend.h>
171 atomic_t dhd_mmc_suspend
;
172 DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait
);
173 #endif /* defined(CONFIG_PM_SLEEP) */
175 #if defined(OOB_INTR_ONLY)
176 extern void dhd_enable_oob_intr(struct dhd_bus
*bus
, bool enable
);
177 #endif /* defined(OOB_INTR_ONLY) */
179 MODULE_AUTHOR("Broadcom Corporation");
180 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver.");
181 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards");
182 MODULE_LICENSE("Dual BSD/GPL");
184 #define DRV_MODULE_NAME "brcmfmac"
186 /* Linux wireless extension support */
187 #if defined(CONFIG_WIRELESS_EXT)
189 extern wl_iw_extra_params_t g_wl_iw_params
;
190 #endif /* defined(CONFIG_WIRELESS_EXT) */
192 #if defined(CONFIG_HAS_EARLYSUSPEND)
193 #include <linux/earlysuspend.h>
194 extern int dhdcdc_set_ioctl(dhd_pub_t
*dhd
, int ifidx
, uint cmd
, void *buf
,
196 #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
198 #ifdef PKT_FILTER_SUPPORT
199 extern void dhd_pktfilter_offload_set(dhd_pub_t
*dhd
, char *arg
);
200 extern void dhd_pktfilter_offload_enable(dhd_pub_t
*dhd
, char *arg
, int enable
,
204 /* Interface control information */
205 typedef struct dhd_if
{
206 struct dhd_info
*info
; /* back pointer to dhd_info */
207 /* OS/stack specifics */
208 struct net_device
*net
;
209 struct net_device_stats stats
;
210 int idx
; /* iface idx in dongle */
211 int state
; /* interface state */
212 uint subunit
; /* subunit */
213 u8 mac_addr
[ETH_ALEN
]; /* assigned MAC address */
214 bool attached
; /* Delayed attachment when unset */
215 bool txflowcontrol
; /* Per interface flow control indicator */
216 char name
[IFNAMSIZ
]; /* linux interface name */
219 /* Local private structure (extension of pub) */
220 typedef struct dhd_info
{
221 #if defined(CONFIG_WIRELESS_EXT)
222 wl_iw_t iw
; /* wireless extensions state (must be first) */
223 #endif /* defined(CONFIG_WIRELESS_EXT) */
227 /* OS/stack specifics */
228 dhd_if_t
*iflist
[DHD_MAX_IFS
];
230 struct semaphore proto_sem
;
231 wait_queue_head_t ioctl_resp_wait
;
232 struct timer_list timer
;
234 struct tasklet_struct tasklet
;
237 /* Thread based operation */
239 struct semaphore sdsem
;
240 struct task_struct
*watchdog_tsk
;
241 struct semaphore watchdog_sem
;
242 struct task_struct
*dpc_tsk
;
243 struct semaphore dpc_sem
;
245 /* Thread to issue ioctl for multicast */
246 struct task_struct
*sysioc_tsk
;
247 struct semaphore sysioc_sem
;
250 u8 macvalue
[ETH_ALEN
];
251 wait_queue_head_t ctrl_wait
;
252 atomic_t pend_8021x_cnt
;
254 #ifdef CONFIG_HAS_EARLYSUSPEND
255 struct early_suspend early_suspend
;
256 #endif /* CONFIG_HAS_EARLYSUSPEND */
259 /* Definitions to provide path to the firmware and nvram
260 * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt"
262 char firmware_path
[MOD_PARAM_PATHLEN
];
263 char nvram_path
[MOD_PARAM_PATHLEN
];
265 /* load firmware and/or nvram values from the filesystem */
266 module_param_string(firmware_path
, firmware_path
, MOD_PARAM_PATHLEN
, 0);
267 module_param_string(nvram_path
, nvram_path
, MOD_PARAM_PATHLEN
, 0);
270 module_param(dhd_msg_level
, int, 0);
272 /* Spawn a thread for system ioctls (set mac, set mcast) */
273 uint dhd_sysioc
= true;
274 module_param(dhd_sysioc
, uint
, 0);
276 /* Watchdog interval */
277 uint dhd_watchdog_ms
= 10;
278 module_param(dhd_watchdog_ms
, uint
, 0);
281 /* Console poll interval */
283 module_param(dhd_console_ms
, uint
, 0);
284 #endif /* DHD_DEBUG */
286 /* ARP offload agent mode : Enable ARP Host Auto-Reply
287 and ARP Peer Auto-Reply */
288 uint dhd_arp_mode
= 0xb;
289 module_param(dhd_arp_mode
, uint
, 0);
291 /* ARP offload enable */
292 uint dhd_arp_enable
= true;
293 module_param(dhd_arp_enable
, uint
, 0);
295 /* Global Pkt filter enable control */
296 uint dhd_pkt_filter_enable
= true;
297 module_param(dhd_pkt_filter_enable
, uint
, 0);
299 /* Pkt filter init setup */
300 uint dhd_pkt_filter_init
;
301 module_param(dhd_pkt_filter_init
, uint
, 0);
303 /* Pkt filter mode control */
304 uint dhd_master_mode
= true;
305 module_param(dhd_master_mode
, uint
, 1);
307 /* Watchdog thread priority, -1 to use kernel timer */
308 int dhd_watchdog_prio
= 97;
309 module_param(dhd_watchdog_prio
, int, 0);
311 /* DPC thread priority, -1 to use tasklet */
312 int dhd_dpc_prio
= 98;
313 module_param(dhd_dpc_prio
, int, 0);
315 /* DPC thread priority, -1 to use tasklet */
316 extern int dhd_dongle_memsize
;
317 module_param(dhd_dongle_memsize
, int, 0);
319 /* Contorl fw roaming */
326 /* Control radio state */
327 uint dhd_radio_up
= 1;
329 /* Network inteface name */
330 char iface_name
[IFNAMSIZ
] = "wlan";
331 module_param_string(iface_name
, iface_name
, IFNAMSIZ
, 0);
333 /* The following are specific to the SDIO dongle */
335 /* IOCTL response timeout */
336 int dhd_ioctl_timeout_msec
= IOCTL_RESP_TIMEOUT
;
338 /* Idle timeout for backplane clock */
339 int dhd_idletime
= DHD_IDLETIME_TICKS
;
340 module_param(dhd_idletime
, int, 0);
343 uint dhd_poll
= false;
344 module_param(dhd_poll
, uint
, 0);
347 uint dhd_cfg80211
= true;
348 module_param(dhd_cfg80211
, uint
, 0);
351 uint dhd_intr
= true;
352 module_param(dhd_intr
, uint
, 0);
354 /* SDIO Drive Strength (in milliamps) */
355 uint dhd_sdiod_drive_strength
= 6;
356 module_param(dhd_sdiod_drive_strength
, uint
, 0);
359 extern uint dhd_txbound
;
360 extern uint dhd_rxbound
;
361 module_param(dhd_txbound
, uint
, 0);
362 module_param(dhd_rxbound
, uint
, 0);
364 /* Deferred transmits */
365 extern uint dhd_deferred_tx
;
366 module_param(dhd_deferred_tx
, uint
, 0);
369 /* Echo packet generator (pkts/s) */
371 module_param(dhd_pktgen
, uint
, 0);
373 /* Echo packet len (0 => sawtooth, max 2040) */
375 module_param(dhd_pktgen_len
, uint
, 0);
378 #define FAVORITE_WIFI_CP (!!dhd_cfg80211)
379 #define IS_CFG80211_FAVORITE() FAVORITE_WIFI_CP
380 #define DBG_CFG80211_GET() ((dhd_cfg80211 & WL_DBG_MASK) >> 1)
381 #define NO_FW_REQ() (dhd_cfg80211 & 0x80)
383 /* Version string to report */
385 #define DHD_COMPILED "\nCompiled in " SRCBASE
390 static void dhd_dpc(unsigned long data
);
392 extern int dhd_wait_pend8021x(struct net_device
*dev
);
396 #error TOE requires BDC
398 static int dhd_toe_get(dhd_info_t
*dhd
, int idx
, u32
*toe_ol
);
399 static int dhd_toe_set(dhd_info_t
*dhd
, int idx
, u32 toe_ol
);
402 static int dhd_wl_host_event(dhd_info_t
*dhd
, int *ifidx
, void *pktdata
,
403 wl_event_msg_t
*event_ptr
, void **data_ptr
);
405 #if defined(CONFIG_PM_SLEEP)
406 static int dhd_sleep_pm_callback(struct notifier_block
*nfb
,
407 unsigned long action
, void *ignored
)
410 case PM_HIBERNATION_PREPARE
:
411 case PM_SUSPEND_PREPARE
:
412 atomic_set(&dhd_mmc_suspend
, true);
414 case PM_POST_HIBERNATION
:
415 case PM_POST_SUSPEND
:
416 atomic_set(&dhd_mmc_suspend
, false);
422 static struct notifier_block dhd_sleep_pm_notifier
= {
423 .notifier_call
= dhd_sleep_pm_callback
,
427 extern int register_pm_notifier(struct notifier_block
*nb
);
428 extern int unregister_pm_notifier(struct notifier_block
*nb
);
429 #endif /* defined(CONFIG_PM_SLEEP) */
430 /* && defined(DHD_GPL) */
431 static void dhd_set_packet_filter(int value
, dhd_pub_t
*dhd
)
433 #ifdef PKT_FILTER_SUPPORT
434 DHD_TRACE(("%s: %d\n", __func__
, value
));
435 /* 1 - Enable packet filter, only allow unicast packet to send up */
436 /* 0 - Disable packet filter */
437 if (dhd_pkt_filter_enable
) {
440 for (i
= 0; i
< dhd
->pktfilter_count
; i
++) {
441 dhd_pktfilter_offload_set(dhd
, dhd
->pktfilter
[i
]);
442 dhd_pktfilter_offload_enable(dhd
, dhd
->pktfilter
[i
],
443 value
, dhd_master_mode
);
449 #if defined(CONFIG_HAS_EARLYSUSPEND)
450 static int dhd_set_suspend(int value
, dhd_pub_t
*dhd
)
452 int power_mode
= PM_MAX
;
453 /* wl_pkt_filter_enable_t enable_parm; */
458 #endif /* CUSTOMER_HW2 */
460 DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n",
461 __func__
, value
, dhd
->in_suspend
));
463 if (dhd
&& dhd
->up
) {
464 if (value
&& dhd
->in_suspend
) {
466 /* Kernel suspended */
467 DHD_TRACE(("%s: force extra Suspend setting\n",
470 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_PM
,
474 /* Enable packet filter, only allow unicast
476 dhd_set_packet_filter(1, dhd
);
478 /* if dtim skip setup as default force it
479 * to wake each third dtim
480 * for better power saving.
481 * Note that side effect is chance to miss BC/MC
484 if ((dhd
->dtim_skip
== 0) || (dhd
->dtim_skip
== 1))
487 bcn_li_dtim
= dhd
->dtim_skip
;
488 bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim
,
489 4, iovbuf
, sizeof(iovbuf
));
490 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_VAR
, iovbuf
,
493 /* Disable build-in roaming to allowed \
494 * supplicant to take of romaing
496 bcm_mkiovar("roam_off", (char *)&roamvar
, 4,
497 iovbuf
, sizeof(iovbuf
));
498 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_VAR
, iovbuf
,
500 #endif /* CUSTOMER_HW2 */
504 DHD_TRACE(("%s: Remove extra suspend setting\n",
507 power_mode
= PM_FAST
;
508 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_PM
,
512 /* disable pkt filter */
513 dhd_set_packet_filter(0, dhd
);
515 /* restore pre-suspend setting for dtim_skip */
516 bcm_mkiovar("bcn_li_dtim", (char *)&dhd
->dtim_skip
,
517 4, iovbuf
, sizeof(iovbuf
));
519 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_VAR
, iovbuf
,
523 bcm_mkiovar("roam_off", (char *)&roamvar
, 4, iovbuf
,
525 dhdcdc_set_ioctl(dhd
, 0, WLC_SET_VAR
, iovbuf
,
527 #endif /* CUSTOMER_HW2 */
534 static void dhd_suspend_resume_helper(struct dhd_info
*dhd
, int val
)
536 dhd_pub_t
*dhdp
= &dhd
->pub
;
538 dhd_os_proto_block(dhdp
);
539 /* Set flag when early suspend was called */
540 dhdp
->in_suspend
= val
;
541 if (!dhdp
->suspend_disable_flag
)
542 dhd_set_suspend(val
, dhdp
);
543 dhd_os_proto_unblock(dhdp
);
546 static void dhd_early_suspend(struct early_suspend
*h
)
548 struct dhd_info
*dhd
= container_of(h
, struct dhd_info
, early_suspend
);
550 DHD_TRACE(("%s: enter\n", __func__
));
553 dhd_suspend_resume_helper(dhd
, 1);
557 static void dhd_late_resume(struct early_suspend
*h
)
559 struct dhd_info
*dhd
= container_of(h
, struct dhd_info
, early_suspend
);
561 DHD_TRACE(("%s: enter\n", __func__
));
564 dhd_suspend_resume_helper(dhd
, 0);
566 #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
569 * Generalized timeout mechanism. Uses spin sleep with exponential
571 * the sleep time reaches one jiffy, then switches over to task delay. Usage:
573 * dhd_timeout_start(&tmo, usec);
574 * while (!dhd_timeout_expired(&tmo))
575 * if (poll_something())
577 * if (dhd_timeout_expired(&tmo))
581 void dhd_timeout_start(dhd_timeout_t
*tmo
, uint usec
)
586 tmo
->tick
= 1000000 / HZ
;
589 int dhd_timeout_expired(dhd_timeout_t
*tmo
)
591 /* Does nothing the first call */
592 if (tmo
->increment
== 0) {
597 if (tmo
->elapsed
>= tmo
->limit
)
600 /* Add the delay that's about to take place */
601 tmo
->elapsed
+= tmo
->increment
;
603 if (tmo
->increment
< tmo
->tick
) {
604 udelay(tmo
->increment
);
606 if (tmo
->increment
> tmo
->tick
)
607 tmo
->increment
= tmo
->tick
;
609 wait_queue_head_t delay_wait
;
610 DECLARE_WAITQUEUE(wait
, current
);
612 init_waitqueue_head(&delay_wait
);
613 add_wait_queue(&delay_wait
, &wait
);
614 set_current_state(TASK_INTERRUPTIBLE
);
616 pending
= signal_pending(current
);
617 remove_wait_queue(&delay_wait
, &wait
);
618 set_current_state(TASK_RUNNING
);
620 return 1; /* Interrupted */
626 static int dhd_net2idx(dhd_info_t
*dhd
, struct net_device
*net
)
631 while (i
< DHD_MAX_IFS
) {
632 if (dhd
->iflist
[i
] && (dhd
->iflist
[i
]->net
== net
))
640 int dhd_ifname2idx(dhd_info_t
*dhd
, char *name
)
646 if (name
== NULL
|| *name
== '\0')
651 && !strncmp(dhd
->iflist
[i
]->name
, name
, IFNAMSIZ
))
654 DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__
, i
, name
));
656 return i
; /* default - the primary interface */
659 char *dhd_ifname(dhd_pub_t
*dhdp
, int ifidx
)
661 dhd_info_t
*dhd
= (dhd_info_t
*) dhdp
->info
;
665 if (ifidx
< 0 || ifidx
>= DHD_MAX_IFS
) {
666 DHD_ERROR(("%s: ifidx %d out of range\n", __func__
, ifidx
));
670 if (dhd
->iflist
[ifidx
] == NULL
) {
671 DHD_ERROR(("%s: null i/f %d\n", __func__
, ifidx
));
675 if (dhd
->iflist
[ifidx
]->net
)
676 return dhd
->iflist
[ifidx
]->net
->name
;
681 static void _dhd_set_multicast_list(dhd_info_t
*dhd
, int ifidx
)
683 struct net_device
*dev
;
684 struct netdev_hw_addr
*ha
;
692 ASSERT(dhd
&& dhd
->iflist
[ifidx
]);
693 dev
= dhd
->iflist
[ifidx
]->net
;
694 cnt
= netdev_mc_count(dev
);
696 /* Determine initial value of allmulti flag */
697 allmulti
= (dev
->flags
& IFF_ALLMULTI
) ? true : false;
699 /* Send down the multicast list first. */
701 buflen
= sizeof("mcast_list") + sizeof(cnt
) + (cnt
* ETH_ALEN
);
702 bufp
= buf
= kmalloc(buflen
, GFP_ATOMIC
);
704 DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n",
705 dhd_ifname(&dhd
->pub
, ifidx
), cnt
));
709 strcpy(bufp
, "mcast_list");
710 bufp
+= strlen("mcast_list") + 1;
712 cnt
= cpu_to_le32(cnt
);
713 memcpy(bufp
, &cnt
, sizeof(cnt
));
716 netdev_for_each_mc_addr(ha
, dev
) {
719 memcpy(bufp
, ha
->addr
, ETH_ALEN
);
724 memset(&ioc
, 0, sizeof(ioc
));
725 ioc
.cmd
= WLC_SET_VAR
;
730 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
732 DHD_ERROR(("%s: set mcast_list failed, cnt %d\n",
733 dhd_ifname(&dhd
->pub
, ifidx
), cnt
));
734 allmulti
= cnt
? true : allmulti
;
739 /* Now send the allmulti setting. This is based on the setting in the
740 * net_device flags, but might be modified above to be turned on if we
741 * were trying to set some addresses and dongle rejected it...
744 buflen
= sizeof("allmulti") + sizeof(allmulti
);
745 buf
= kmalloc(buflen
, GFP_ATOMIC
);
747 DHD_ERROR(("%s: out of memory for allmulti\n",
748 dhd_ifname(&dhd
->pub
, ifidx
)));
751 allmulti
= cpu_to_le32(allmulti
);
754 ("allmulti", (void *)&allmulti
, sizeof(allmulti
), buf
, buflen
)) {
755 DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d "
756 "buflen %u\n", dhd_ifname(&dhd
->pub
, ifidx
),
757 (int)sizeof(allmulti
), buflen
));
762 memset(&ioc
, 0, sizeof(ioc
));
763 ioc
.cmd
= WLC_SET_VAR
;
768 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
770 DHD_ERROR(("%s: set allmulti %d failed\n",
771 dhd_ifname(&dhd
->pub
, ifidx
),
772 le32_to_cpu(allmulti
)));
777 /* Finally, pick up the PROMISC flag as well, like the NIC
780 allmulti
= (dev
->flags
& IFF_PROMISC
) ? true : false;
781 allmulti
= cpu_to_le32(allmulti
);
783 memset(&ioc
, 0, sizeof(ioc
));
784 ioc
.cmd
= WLC_SET_PROMISC
;
786 ioc
.len
= sizeof(allmulti
);
789 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
791 DHD_ERROR(("%s: set promisc %d failed\n",
792 dhd_ifname(&dhd
->pub
, ifidx
),
793 le32_to_cpu(allmulti
)));
798 _dhd_set_mac_address(dhd_info_t
*dhd
, int ifidx
, u8
*addr
)
804 DHD_TRACE(("%s enter\n", __func__
));
806 ("cur_etheraddr", (char *)addr
, ETH_ALEN
, buf
, 32)) {
807 DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n",
808 dhd_ifname(&dhd
->pub
, ifidx
)));
811 memset(&ioc
, 0, sizeof(ioc
));
812 ioc
.cmd
= WLC_SET_VAR
;
817 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
819 DHD_ERROR(("%s: set cur_etheraddr failed\n",
820 dhd_ifname(&dhd
->pub
, ifidx
)));
822 memcpy(dhd
->iflist
[ifidx
]->net
->dev_addr
, addr
, ETH_ALEN
);
829 extern struct net_device
*ap_net_dev
;
832 static void dhd_op_if(dhd_if_t
*ifp
)
835 int ret
= 0, err
= 0;
837 ASSERT(ifp
&& ifp
->info
&& ifp
->idx
); /* Virtual interfaces only */
841 DHD_TRACE(("%s: idx %d, state %d\n", __func__
, ifp
->idx
, ifp
->state
));
843 switch (ifp
->state
) {
846 * Delete the existing interface before overwriting it
847 * in case we missed the WLC_E_IF_DEL event.
849 if (ifp
->net
!= NULL
) {
850 DHD_ERROR(("%s: ERROR: netdev:%s already exists, "
851 "try free & unregister\n",
852 __func__
, ifp
->net
->name
));
853 netif_stop_queue(ifp
->net
);
854 unregister_netdev(ifp
->net
);
855 free_netdev(ifp
->net
);
857 /* Allocate etherdev, including space for private structure */
858 ifp
->net
= alloc_etherdev(sizeof(dhd
));
860 DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__
));
864 strcpy(ifp
->net
->name
, ifp
->name
);
865 memcpy(netdev_priv(ifp
->net
), &dhd
, sizeof(dhd
));
866 err
= dhd_net_attach(&dhd
->pub
, ifp
->idx
);
868 DHD_ERROR(("%s: dhd_net_attach failed, "
874 /* semaphore that the soft AP CODE
876 extern struct semaphore ap_eth_sema
;
878 /* save ptr to wl0.1 netdev for use
880 ap_net_dev
= ifp
->net
;
881 /* signal to the SOFTAP 'sleeper' thread,
885 DHD_TRACE(("\n ==== pid:%x, net_device for "
886 "if:%s created ===\n\n",
887 current
->pid
, ifp
->net
->name
));
893 if (ifp
->net
!= NULL
) {
894 DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n",
896 netif_stop_queue(ifp
->net
);
897 unregister_netdev(ifp
->net
);
898 ret
= DHD_DEL_IF
; /* Make sure the free_netdev()
903 DHD_ERROR(("%s: bad op %d\n", __func__
, ifp
->state
));
910 free_netdev(ifp
->net
);
912 dhd
->iflist
[ifp
->idx
] = NULL
;
915 if (ifp
->net
== ap_net_dev
)
916 ap_net_dev
= NULL
; /* NULL SOFTAP global
922 static int _dhd_sysioc_thread(void *data
)
924 dhd_info_t
*dhd
= (dhd_info_t
*) data
;
930 allow_signal(SIGTERM
);
932 while (down_interruptible(&dhd
->sysioc_sem
) == 0) {
933 if (kthread_should_stop())
935 for (i
= 0; i
< DHD_MAX_IFS
; i
++) {
936 if (dhd
->iflist
[i
]) {
938 in_ap
= (ap_net_dev
!= NULL
);
940 if (dhd
->iflist
[i
]->state
)
941 dhd_op_if(dhd
->iflist
[i
]);
943 if (dhd
->iflist
[i
] == NULL
) {
944 DHD_TRACE(("\n\n %s: interface %d "
945 "removed!\n", __func__
, i
));
949 if (in_ap
&& dhd
->set_macaddress
) {
950 DHD_TRACE(("attempt to set MAC for %s "
951 "in AP Mode," "blocked. \n",
952 dhd
->iflist
[i
]->net
->name
));
953 dhd
->set_macaddress
= false;
957 if (in_ap
&& dhd
->set_multicast
) {
958 DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n",
959 dhd
->iflist
[i
]->net
->name
));
960 dhd
->set_multicast
= false;
964 if (dhd
->set_multicast
) {
965 dhd
->set_multicast
= false;
966 _dhd_set_multicast_list(dhd
, i
);
968 if (dhd
->set_macaddress
) {
969 dhd
->set_macaddress
= false;
970 _dhd_set_mac_address(dhd
, i
,
979 static int dhd_set_mac_address(struct net_device
*dev
, void *addr
)
983 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(dev
);
984 struct sockaddr
*sa
= (struct sockaddr
*)addr
;
987 ifidx
= dhd_net2idx(dhd
, dev
);
988 if (ifidx
== DHD_BAD_IF
)
991 ASSERT(dhd
->sysioc_tsk
);
992 memcpy(&dhd
->macvalue
, sa
->sa_data
, ETH_ALEN
);
993 dhd
->set_macaddress
= true;
994 up(&dhd
->sysioc_sem
);
999 static void dhd_set_multicast_list(struct net_device
*dev
)
1001 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(dev
);
1004 ifidx
= dhd_net2idx(dhd
, dev
);
1005 if (ifidx
== DHD_BAD_IF
)
1008 ASSERT(dhd
->sysioc_tsk
);
1009 dhd
->set_multicast
= true;
1010 up(&dhd
->sysioc_sem
);
1013 int dhd_sendpkt(dhd_pub_t
*dhdp
, int ifidx
, struct sk_buff
*pktbuf
)
1016 dhd_info_t
*dhd
= (dhd_info_t
*) (dhdp
->info
);
1018 /* Reject if down */
1019 if (!dhdp
->up
|| (dhdp
->busstate
== DHD_BUS_DOWN
))
1022 /* Update multicast statistic */
1023 if (pktbuf
->len
>= ETH_ALEN
) {
1024 u8
*pktdata
= (u8
*) (pktbuf
->data
);
1025 struct ethhdr
*eh
= (struct ethhdr
*)pktdata
;
1027 if (is_multicast_ether_addr(eh
->h_dest
))
1028 dhdp
->tx_multicast
++;
1029 if (ntohs(eh
->h_proto
) == ETH_P_PAE
)
1030 atomic_inc(&dhd
->pend_8021x_cnt
);
1033 /* If the protocol uses a data header, apply it */
1034 dhd_prot_hdrpush(dhdp
, ifidx
, pktbuf
);
1036 /* Use bus module to send data frame */
1038 ret
= dbus_send_pkt(dhdp
->dbus
, pktbuf
, NULL
/* pktinfo */);
1040 ret
= dhd_bus_txdata(dhdp
->bus
, pktbuf
);
1041 #endif /* BCMDBUS */
1046 static inline void *
1047 osl_pkt_frmnative(struct sk_buff
*skb
)
1051 #define PKTFRMNATIVE(osh, skb) \
1052 osl_pkt_frmnative((struct sk_buff *)(skb))
1054 static inline struct sk_buff
*
1055 osl_pkt_tonative(void *pkt
)
1057 return (struct sk_buff
*)pkt
;
1059 #define PKTTONATIVE(osh, pkt) \
1060 osl_pkt_tonative((pkt))
1062 static int dhd_start_xmit(struct sk_buff
*skb
, struct net_device
*net
)
1066 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1069 DHD_TRACE(("%s: Enter\n", __func__
));
1071 /* Reject if down */
1072 if (!dhd
->pub
.up
|| (dhd
->pub
.busstate
== DHD_BUS_DOWN
)) {
1073 DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n",
1074 __func__
, dhd
->pub
.up
, dhd
->pub
.busstate
));
1075 netif_stop_queue(net
);
1079 ifidx
= dhd_net2idx(dhd
, net
);
1080 if (ifidx
== DHD_BAD_IF
) {
1081 DHD_ERROR(("%s: bad ifidx %d\n", __func__
, ifidx
));
1082 netif_stop_queue(net
);
1086 /* Make sure there's enough room for any header */
1087 if (skb_headroom(skb
) < dhd
->pub
.hdrlen
) {
1088 struct sk_buff
*skb2
;
1090 DHD_INFO(("%s: insufficient headroom\n",
1091 dhd_ifname(&dhd
->pub
, ifidx
)));
1092 dhd
->pub
.tx_realloc
++;
1093 skb2
= skb_realloc_headroom(skb
, dhd
->pub
.hdrlen
);
1097 DHD_ERROR(("%s: skb_realloc_headroom failed\n",
1098 dhd_ifname(&dhd
->pub
, ifidx
)));
1104 /* Convert to packet */
1105 pktbuf
= PKTFRMNATIVE(dhd
->pub
.osh
, skb
);
1107 DHD_ERROR(("%s: PKTFRMNATIVE failed\n",
1108 dhd_ifname(&dhd
->pub
, ifidx
)));
1109 dev_kfree_skb_any(skb
);
1114 ret
= dhd_sendpkt(&dhd
->pub
, ifidx
, pktbuf
);
1118 dhd
->pub
.dstats
.tx_dropped
++;
1120 dhd
->pub
.tx_packets
++;
1122 /* Return ok: we always eat the packet */
1126 void dhd_txflowcontrol(dhd_pub_t
*dhdp
, int ifidx
, bool state
)
1128 struct net_device
*net
;
1129 dhd_info_t
*dhd
= dhdp
->info
;
1131 DHD_TRACE(("%s: Enter\n", __func__
));
1133 dhdp
->txoff
= state
;
1134 ASSERT(dhd
&& dhd
->iflist
[ifidx
]);
1135 net
= dhd
->iflist
[ifidx
]->net
;
1137 netif_stop_queue(net
);
1139 netif_wake_queue(net
);
1142 void dhd_rx_frame(dhd_pub_t
*dhdp
, int ifidx
, struct sk_buff
*pktbuf
,
1145 dhd_info_t
*dhd
= (dhd_info_t
*) dhdp
->info
;
1146 struct sk_buff
*skb
;
1150 struct sk_buff
*pnext
, *save_pktbuf
;
1153 wl_event_msg_t event
;
1155 DHD_TRACE(("%s: Enter\n", __func__
));
1157 save_pktbuf
= pktbuf
;
1159 for (i
= 0; pktbuf
&& i
< numpkt
; i
++, pktbuf
= pnext
) {
1161 pnext
= pktbuf
->next
;
1162 pktbuf
->next
= NULL
;
1164 skb
= PKTTONATIVE(dhdp
->osh
, pktbuf
);
1166 /* Get the protocol, maintain skb around eth_type_trans()
1167 * The main reason for this hack is for the limitation of
1168 * Linux 2.4 where 'eth_type_trans' uses the
1169 * 'net->hard_header_len'
1170 * to perform skb_pull inside vs ETH_HLEN. Since to avoid
1171 * coping of the packet coming from the network stack to add
1172 * BDC, Hardware header etc, during network interface
1174 * we set the 'net->hard_header_len' to ETH_HLEN + extra space
1176 * for BDC, Hardware header etc. and not just the ETH_HLEN
1181 ifp
= dhd
->iflist
[ifidx
];
1183 ifp
= dhd
->iflist
[0];
1186 skb
->dev
= ifp
->net
;
1187 skb
->protocol
= eth_type_trans(skb
, skb
->dev
);
1189 if (skb
->pkt_type
== PACKET_MULTICAST
)
1190 dhd
->pub
.rx_multicast
++;
1195 /* Strip header, count, deliver upward */
1196 skb_pull(skb
, ETH_HLEN
);
1198 /* Process special event packets and then discard them */
1199 if (ntohs(skb
->protocol
) == ETH_P_BRCM
)
1200 dhd_wl_host_event(dhd
, &ifidx
,
1201 skb_mac_header(skb
),
1204 ASSERT(ifidx
< DHD_MAX_IFS
&& dhd
->iflist
[ifidx
]);
1205 if (dhd
->iflist
[ifidx
] && !dhd
->iflist
[ifidx
]->state
)
1206 ifp
= dhd
->iflist
[ifidx
];
1209 ifp
->net
->last_rx
= jiffies
;
1211 dhdp
->dstats
.rx_bytes
+= skb
->len
;
1212 dhdp
->rx_packets
++; /* Local count */
1214 if (in_interrupt()) {
1217 /* If the receive is not processed inside an ISR,
1218 * the softirqd must be woken explicitly to service
1219 * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
1220 * by netif_rx_ni(), but in earlier kernels, we need
1221 * to do it manually.
1228 void dhd_event(struct dhd_info
*dhd
, char *evpkt
, int evlen
, int ifidx
)
1230 /* Linux version has nothing to do */
1234 void dhd_txcomplete(dhd_pub_t
*dhdp
, struct sk_buff
*txp
, bool success
)
1237 dhd_info_t
*dhd
= (dhd_info_t
*) (dhdp
->info
);
1241 dhd_prot_hdrpull(dhdp
, &ifidx
, txp
);
1243 eh
= (struct ethhdr
*)(txp
->data
);
1244 type
= ntohs(eh
->h_proto
);
1246 if (type
== ETH_P_PAE
)
1247 atomic_dec(&dhd
->pend_8021x_cnt
);
1251 static struct net_device_stats
*dhd_get_stats(struct net_device
*net
)
1253 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1257 DHD_TRACE(("%s: Enter\n", __func__
));
1259 ifidx
= dhd_net2idx(dhd
, net
);
1260 if (ifidx
== DHD_BAD_IF
)
1263 ifp
= dhd
->iflist
[ifidx
];
1267 /* Use the protocol to get dongle stats */
1268 dhd_prot_dstats(&dhd
->pub
);
1271 /* Copy dongle stats to net device stats */
1272 ifp
->stats
.rx_packets
= dhd
->pub
.dstats
.rx_packets
;
1273 ifp
->stats
.tx_packets
= dhd
->pub
.dstats
.tx_packets
;
1274 ifp
->stats
.rx_bytes
= dhd
->pub
.dstats
.rx_bytes
;
1275 ifp
->stats
.tx_bytes
= dhd
->pub
.dstats
.tx_bytes
;
1276 ifp
->stats
.rx_errors
= dhd
->pub
.dstats
.rx_errors
;
1277 ifp
->stats
.tx_errors
= dhd
->pub
.dstats
.tx_errors
;
1278 ifp
->stats
.rx_dropped
= dhd
->pub
.dstats
.rx_dropped
;
1279 ifp
->stats
.tx_dropped
= dhd
->pub
.dstats
.tx_dropped
;
1280 ifp
->stats
.multicast
= dhd
->pub
.dstats
.multicast
;
1285 static int dhd_watchdog_thread(void *data
)
1287 dhd_info_t
*dhd
= (dhd_info_t
*) data
;
1289 /* This thread doesn't need any user-level access,
1290 * so get rid of all our resources
1293 if (dhd_watchdog_prio
> 0) {
1294 struct sched_param param
;
1295 param
.sched_priority
= (dhd_watchdog_prio
< MAX_RT_PRIO
) ?
1296 dhd_watchdog_prio
: (MAX_RT_PRIO
- 1);
1297 setScheduler(current
, SCHED_FIFO
, ¶m
);
1299 #endif /* DHD_SCHED */
1301 allow_signal(SIGTERM
);
1302 /* Run until signal received */
1304 if (kthread_should_stop())
1306 if (down_interruptible(&dhd
->watchdog_sem
) == 0) {
1307 if (dhd
->pub
.dongle_reset
== false) {
1308 /* Call the bus module watchdog */
1309 dhd_bus_watchdog(&dhd
->pub
);
1311 /* Count the tick for reference */
1319 static void dhd_watchdog(unsigned long data
)
1321 dhd_info_t
*dhd
= (dhd_info_t
*) data
;
1323 if (dhd
->watchdog_tsk
) {
1324 up(&dhd
->watchdog_sem
);
1326 /* Reschedule the watchdog */
1327 if (dhd
->wd_timer_valid
) {
1328 mod_timer(&dhd
->timer
,
1329 jiffies
+ dhd_watchdog_ms
* HZ
/ 1000);
1334 /* Call the bus module watchdog */
1335 dhd_bus_watchdog(&dhd
->pub
);
1337 /* Count the tick for reference */
1340 /* Reschedule the watchdog */
1341 if (dhd
->wd_timer_valid
)
1342 mod_timer(&dhd
->timer
, jiffies
+ dhd_watchdog_ms
* HZ
/ 1000);
1345 static int dhd_dpc_thread(void *data
)
1347 dhd_info_t
*dhd
= (dhd_info_t
*) data
;
1349 /* This thread doesn't need any user-level access,
1350 * so get rid of all our resources
1353 if (dhd_dpc_prio
> 0) {
1354 struct sched_param param
;
1355 param
.sched_priority
=
1357 MAX_RT_PRIO
) ? dhd_dpc_prio
: (MAX_RT_PRIO
- 1);
1358 setScheduler(current
, SCHED_FIFO
, ¶m
);
1360 #endif /* DHD_SCHED */
1362 allow_signal(SIGTERM
);
1363 /* Run until signal received */
1365 if (kthread_should_stop())
1367 if (down_interruptible(&dhd
->dpc_sem
) == 0) {
1368 /* Call bus dpc unless it indicated down
1369 (then clean stop) */
1370 if (dhd
->pub
.busstate
!= DHD_BUS_DOWN
) {
1371 if (dhd_bus_dpc(dhd
->pub
.bus
)) {
1375 dhd_bus_stop(dhd
->pub
.bus
, true);
1383 static void dhd_dpc(unsigned long data
)
1387 dhd
= (dhd_info_t
*) data
;
1389 /* Call bus dpc unless it indicated down (then clean stop) */
1390 if (dhd
->pub
.busstate
!= DHD_BUS_DOWN
) {
1391 if (dhd_bus_dpc(dhd
->pub
.bus
))
1392 tasklet_schedule(&dhd
->tasklet
);
1394 dhd_bus_stop(dhd
->pub
.bus
, true);
1398 void dhd_sched_dpc(dhd_pub_t
*dhdp
)
1400 dhd_info_t
*dhd
= (dhd_info_t
*) dhdp
->info
;
1407 tasklet_schedule(&dhd
->tasklet
);
1411 /* Retrieve current toe component enables, which are kept
1412 as a bitmap in toe_ol iovar */
1413 static int dhd_toe_get(dhd_info_t
*dhd
, int ifidx
, u32
*toe_ol
)
1419 memset(&ioc
, 0, sizeof(ioc
));
1421 ioc
.cmd
= WLC_GET_VAR
;
1423 ioc
.len
= (uint
) sizeof(buf
);
1426 strcpy(buf
, "toe_ol");
1427 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
1429 /* Check for older dongle image that doesn't support toe_ol */
1431 DHD_ERROR(("%s: toe not supported by device\n",
1432 dhd_ifname(&dhd
->pub
, ifidx
)));
1436 DHD_INFO(("%s: could not get toe_ol: ret=%d\n",
1437 dhd_ifname(&dhd
->pub
, ifidx
), ret
));
1441 memcpy(toe_ol
, buf
, sizeof(u32
));
1445 /* Set current toe component enables in toe_ol iovar,
1446 and set toe global enable iovar */
1447 static int dhd_toe_set(dhd_info_t
*dhd
, int ifidx
, u32 toe_ol
)
1453 memset(&ioc
, 0, sizeof(ioc
));
1455 ioc
.cmd
= WLC_SET_VAR
;
1457 ioc
.len
= (uint
) sizeof(buf
);
1460 /* Set toe_ol as requested */
1462 strcpy(buf
, "toe_ol");
1463 memcpy(&buf
[sizeof("toe_ol")], &toe_ol
, sizeof(u32
));
1465 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
1467 DHD_ERROR(("%s: could not set toe_ol: ret=%d\n",
1468 dhd_ifname(&dhd
->pub
, ifidx
), ret
));
1472 /* Enable toe globally only if any components are enabled. */
1474 toe
= (toe_ol
!= 0);
1477 memcpy(&buf
[sizeof("toe")], &toe
, sizeof(u32
));
1479 ret
= dhd_prot_ioctl(&dhd
->pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
1481 DHD_ERROR(("%s: could not set toe: ret=%d\n",
1482 dhd_ifname(&dhd
->pub
, ifidx
), ret
));
1490 static void dhd_ethtool_get_drvinfo(struct net_device
*net
,
1491 struct ethtool_drvinfo
*info
)
1493 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1495 sprintf(info
->driver
, DRV_MODULE_NAME
);
1496 sprintf(info
->version
, "%lu", dhd
->pub
.drv_version
);
1497 sprintf(info
->fw_version
, "%s", wl_cfg80211_get_fwname());
1498 sprintf(info
->bus_info
, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev
));
1501 struct ethtool_ops dhd_ethtool_ops
= {
1502 .get_drvinfo
= dhd_ethtool_get_drvinfo
1505 static int dhd_ethtool(dhd_info_t
*dhd
, void *uaddr
)
1507 struct ethtool_drvinfo info
;
1508 char drvname
[sizeof(info
.driver
)];
1511 struct ethtool_value edata
;
1512 u32 toe_cmpnt
, csum_dir
;
1516 DHD_TRACE(("%s: Enter\n", __func__
));
1518 /* all ethtool calls start with a cmd word */
1519 if (copy_from_user(&cmd
, uaddr
, sizeof(u32
)))
1523 case ETHTOOL_GDRVINFO
:
1524 /* Copy out any request driver name */
1525 if (copy_from_user(&info
, uaddr
, sizeof(info
)))
1527 strncpy(drvname
, info
.driver
, sizeof(info
.driver
));
1528 drvname
[sizeof(info
.driver
) - 1] = '\0';
1530 /* clear struct for return */
1531 memset(&info
, 0, sizeof(info
));
1534 /* if dhd requested, identify ourselves */
1535 if (strcmp(drvname
, "?dhd") == 0) {
1536 sprintf(info
.driver
, "dhd");
1537 strcpy(info
.version
, EPI_VERSION_STR
);
1540 /* otherwise, require dongle to be up */
1541 else if (!dhd
->pub
.up
) {
1542 DHD_ERROR(("%s: dongle is not up\n", __func__
));
1546 /* finally, report dongle driver type */
1547 else if (dhd
->pub
.iswl
)
1548 sprintf(info
.driver
, "wl");
1550 sprintf(info
.driver
, "xx");
1552 sprintf(info
.version
, "%lu", dhd
->pub
.drv_version
);
1553 if (copy_to_user(uaddr
, &info
, sizeof(info
)))
1555 DHD_CTL(("%s: given %*s, returning %s\n", __func__
,
1556 (int)sizeof(drvname
), drvname
, info
.driver
));
1560 /* Get toe offload components from dongle */
1561 case ETHTOOL_GRXCSUM
:
1562 case ETHTOOL_GTXCSUM
:
1563 ret
= dhd_toe_get(dhd
, 0, &toe_cmpnt
);
1568 (cmd
== ETHTOOL_GTXCSUM
) ? TOE_TX_CSUM_OL
: TOE_RX_CSUM_OL
;
1571 edata
.data
= (toe_cmpnt
& csum_dir
) ? 1 : 0;
1573 if (copy_to_user(uaddr
, &edata
, sizeof(edata
)))
1577 /* Set toe offload components in dongle */
1578 case ETHTOOL_SRXCSUM
:
1579 case ETHTOOL_STXCSUM
:
1580 if (copy_from_user(&edata
, uaddr
, sizeof(edata
)))
1583 /* Read the current settings, update and write back */
1584 ret
= dhd_toe_get(dhd
, 0, &toe_cmpnt
);
1589 (cmd
== ETHTOOL_STXCSUM
) ? TOE_TX_CSUM_OL
: TOE_RX_CSUM_OL
;
1591 if (edata
.data
!= 0)
1592 toe_cmpnt
|= csum_dir
;
1594 toe_cmpnt
&= ~csum_dir
;
1596 ret
= dhd_toe_set(dhd
, 0, toe_cmpnt
);
1600 /* If setting TX checksum mode, tell Linux the new mode */
1601 if (cmd
== ETHTOOL_STXCSUM
) {
1603 dhd
->iflist
[0]->net
->features
|=
1606 dhd
->iflist
[0]->net
->features
&=
1620 static int dhd_ioctl_entry(struct net_device
*net
, struct ifreq
*ifr
, int cmd
)
1622 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1629 bool is_set_key_cmd
;
1631 ifidx
= dhd_net2idx(dhd
, net
);
1632 DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__
, ifidx
, cmd
));
1634 if (ifidx
== DHD_BAD_IF
)
1637 #if defined(CONFIG_WIRELESS_EXT)
1638 /* linux wireless extensions */
1639 if ((cmd
>= SIOCIWFIRST
) && (cmd
<= SIOCIWLAST
)) {
1640 /* may recurse, do NOT lock */
1641 return wl_iw_ioctl(net
, ifr
, cmd
);
1643 #endif /* defined(CONFIG_WIRELESS_EXT) */
1645 if (cmd
== SIOCETHTOOL
)
1646 return dhd_ethtool(dhd
, (void *)ifr
->ifr_data
);
1648 if (cmd
!= SIOCDEVPRIVATE
)
1651 memset(&ioc
, 0, sizeof(ioc
));
1653 /* Copy the ioc control structure part of ioctl request */
1654 if (copy_from_user(&ioc
, ifr
->ifr_data
, sizeof(wl_ioctl_t
))) {
1659 /* Copy out any buffer passed */
1661 buflen
= min_t(int, ioc
.len
, DHD_IOCTL_MAXLEN
);
1662 /* optimization for direct ioctl calls from kernel */
1664 if (segment_eq(get_fs(), KERNEL_DS)) {
1669 buf
= kmalloc(buflen
, GFP_ATOMIC
);
1674 if (copy_from_user(buf
, ioc
.buf
, buflen
)) {
1681 /* To differentiate between wl and dhd read 4 more byes */
1682 if ((copy_from_user(&driver
, (char *)ifr
->ifr_data
+ sizeof(wl_ioctl_t
),
1683 sizeof(uint
)) != 0)) {
1688 if (!capable(CAP_NET_ADMIN
)) {
1693 /* check for local dhd ioctl and handle it */
1694 if (driver
== DHD_IOCTL_MAGIC
) {
1695 bcmerror
= dhd_ioctl((void *)&dhd
->pub
, &ioc
, buf
, buflen
);
1697 dhd
->pub
.bcmerror
= bcmerror
;
1701 /* send to dongle (must be up, and wl) */
1702 if ((dhd
->pub
.busstate
!= DHD_BUS_DATA
)) {
1703 DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__
));
1708 if (!dhd
->pub
.iswl
) {
1713 /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to
1714 * prevent M4 encryption.
1716 is_set_key_cmd
= ((ioc
.cmd
== WLC_SET_KEY
) ||
1717 ((ioc
.cmd
== WLC_SET_VAR
) &&
1718 !(strncmp("wsec_key", ioc
.buf
, 9))) ||
1719 ((ioc
.cmd
== WLC_SET_VAR
) &&
1720 !(strncmp("bsscfg:wsec_key", ioc
.buf
, 15))));
1722 dhd_wait_pend8021x(net
);
1725 dhd_prot_ioctl(&dhd
->pub
, ifidx
, (wl_ioctl_t
*)&ioc
, buf
, buflen
);
1728 if (!bcmerror
&& buf
&& ioc
.buf
) {
1729 if (copy_to_user(ioc
.buf
, buf
, buflen
))
1741 static int dhd_stop(struct net_device
*net
)
1743 #if !defined(IGNORE_ETH0_DOWN)
1744 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1746 DHD_TRACE(("%s: Enter\n", __func__
));
1747 if (IS_CFG80211_FAVORITE()) {
1750 if (dhd
->pub
.up
== 0)
1753 /* Set state and stop OS transmissions */
1755 netif_stop_queue(net
);
1757 DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n",
1759 #endif /* !defined(IGNORE_ETH0_DOWN) */
1764 static int dhd_open(struct net_device
*net
)
1766 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(net
);
1770 int ifidx
= dhd_net2idx(dhd
, net
);
1773 DHD_TRACE(("%s: ifidx %d\n", __func__
, ifidx
));
1775 if (ifidx
== 0) { /* do it only for primary eth0 */
1777 /* try to bring up bus */
1778 ret
= dhd_bus_start(&dhd
->pub
);
1780 DHD_ERROR(("%s: failed with code %d\n", __func__
, ret
));
1783 atomic_set(&dhd
->pend_8021x_cnt
, 0);
1785 memcpy(net
->dev_addr
, dhd
->pub
.mac
, ETH_ALEN
);
1788 /* Get current TOE mode from dongle */
1789 if (dhd_toe_get(dhd
, ifidx
, &toe_ol
) >= 0
1790 && (toe_ol
& TOE_TX_CSUM_OL
) != 0)
1791 dhd
->iflist
[ifidx
]->net
->features
|= NETIF_F_IP_CSUM
;
1793 dhd
->iflist
[ifidx
]->net
->features
&= ~NETIF_F_IP_CSUM
;
1796 /* Allow transmit calls */
1797 netif_start_queue(net
);
1799 if (IS_CFG80211_FAVORITE()) {
1800 if (unlikely(wl_cfg80211_up())) {
1801 DHD_ERROR(("%s: failed to bring up cfg80211\n",
1811 dhd_add_if(dhd_info_t
*dhd
, int ifidx
, void *handle
, char *name
,
1812 u8
*mac_addr
, u32 flags
, u8 bssidx
)
1816 DHD_TRACE(("%s: idx %d, handle->%p\n", __func__
, ifidx
, handle
));
1818 ASSERT(dhd
&& (ifidx
< DHD_MAX_IFS
));
1820 ifp
= dhd
->iflist
[ifidx
];
1821 if (!ifp
&& !(ifp
= kmalloc(sizeof(dhd_if_t
), GFP_ATOMIC
))) {
1822 DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__
));
1826 memset(ifp
, 0, sizeof(dhd_if_t
));
1828 dhd
->iflist
[ifidx
] = ifp
;
1829 strlcpy(ifp
->name
, name
, IFNAMSIZ
);
1830 if (mac_addr
!= NULL
)
1831 memcpy(&ifp
->mac_addr
, mac_addr
, ETH_ALEN
);
1833 if (handle
== NULL
) {
1834 ifp
->state
= WLC_E_IF_ADD
;
1836 ASSERT(dhd
->sysioc_tsk
);
1837 up(&dhd
->sysioc_sem
);
1839 ifp
->net
= (struct net_device
*)handle
;
1844 void dhd_del_if(dhd_info_t
*dhd
, int ifidx
)
1848 DHD_TRACE(("%s: idx %d\n", __func__
, ifidx
));
1850 ASSERT(dhd
&& ifidx
&& (ifidx
< DHD_MAX_IFS
));
1851 ifp
= dhd
->iflist
[ifidx
];
1853 DHD_ERROR(("%s: Null interface\n", __func__
));
1857 ifp
->state
= WLC_E_IF_DEL
;
1859 ASSERT(dhd
->sysioc_tsk
);
1860 up(&dhd
->sysioc_sem
);
1863 dhd_pub_t
*dhd_attach(struct dhd_bus
*bus
, uint bus_hdrlen
)
1865 dhd_info_t
*dhd
= NULL
;
1866 struct net_device
*net
;
1868 DHD_TRACE(("%s: Enter\n", __func__
));
1869 /* updates firmware nvram path if it was provided as module
1871 if ((firmware_path
!= NULL
) && (firmware_path
[0] != '\0'))
1872 strcpy(fw_path
, firmware_path
);
1873 if ((nvram_path
!= NULL
) && (nvram_path
[0] != '\0'))
1874 strcpy(nv_path
, nvram_path
);
1876 /* Allocate etherdev, including space for private structure */
1877 net
= alloc_etherdev(sizeof(dhd
));
1879 DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__
));
1883 /* Allocate primary dhd_info */
1884 dhd
= kzalloc(sizeof(dhd_info_t
), GFP_ATOMIC
);
1886 DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__
));
1891 * Save the dhd_info into the priv
1893 memcpy(netdev_priv(net
), &dhd
, sizeof(dhd
));
1895 /* Set network interface name if it was provided as module parameter */
1896 if (iface_name
[0]) {
1899 strncpy(net
->name
, iface_name
, IFNAMSIZ
);
1900 net
->name
[IFNAMSIZ
- 1] = 0;
1901 len
= strlen(net
->name
);
1902 ch
= net
->name
[len
- 1];
1903 if ((ch
> '9' || ch
< '0') && (len
< IFNAMSIZ
- 2))
1904 strcat(net
->name
, "%d");
1907 if (dhd_add_if(dhd
, 0, (void *)net
, net
->name
, NULL
, 0, 0) ==
1911 net
->netdev_ops
= NULL
;
1912 sema_init(&dhd
->proto_sem
, 1);
1913 /* Initialize other structure content */
1914 init_waitqueue_head(&dhd
->ioctl_resp_wait
);
1915 init_waitqueue_head(&dhd
->ctrl_wait
);
1917 /* Initialize the spinlocks */
1918 spin_lock_init(&dhd
->sdlock
);
1919 spin_lock_init(&dhd
->txqlock
);
1921 /* Link to info module */
1922 dhd
->pub
.info
= dhd
;
1924 /* Link to bus module */
1926 dhd
->pub
.hdrlen
= bus_hdrlen
;
1928 /* Attach and link in the protocol */
1929 if (dhd_prot_attach(&dhd
->pub
) != 0) {
1930 DHD_ERROR(("dhd_prot_attach failed\n"));
1933 #if defined(CONFIG_WIRELESS_EXT)
1934 /* Attach and link in the iw */
1935 if (wl_iw_attach(net
, (void *)&dhd
->pub
) != 0) {
1936 DHD_ERROR(("wl_iw_attach failed\n"));
1939 #endif /* defined(CONFIG_WIRELESS_EXT) */
1941 /* Attach and link in the cfg80211 */
1942 if (IS_CFG80211_FAVORITE()) {
1943 if (unlikely(wl_cfg80211_attach(net
, &dhd
->pub
))) {
1944 DHD_ERROR(("wl_cfg80211_attach failed\n"));
1948 strcpy(fw_path
, wl_cfg80211_get_fwname());
1949 strcpy(nv_path
, wl_cfg80211_get_nvramname());
1953 /* Set up the watchdog timer */
1954 init_timer(&dhd
->timer
);
1955 dhd
->timer
.data
= (unsigned long) dhd
;
1956 dhd
->timer
.function
= dhd_watchdog
;
1958 /* Initialize thread based operation and lock */
1959 sema_init(&dhd
->sdsem
, 1);
1960 if ((dhd_watchdog_prio
>= 0) && (dhd_dpc_prio
>= 0))
1961 dhd
->threads_only
= true;
1963 dhd
->threads_only
= false;
1965 if (dhd_dpc_prio
>= 0) {
1966 /* Initialize watchdog thread */
1967 sema_init(&dhd
->watchdog_sem
, 0);
1968 dhd
->watchdog_tsk
= kthread_run(dhd_watchdog_thread
, dhd
,
1970 if (IS_ERR(dhd
->watchdog_tsk
)) {
1972 "dhd_watchdog thread failed to start\n");
1973 dhd
->watchdog_tsk
= NULL
;
1976 dhd
->watchdog_tsk
= NULL
;
1979 /* Set up the bottom half handler */
1980 if (dhd_dpc_prio
>= 0) {
1981 /* Initialize DPC thread */
1982 sema_init(&dhd
->dpc_sem
, 0);
1983 dhd
->dpc_tsk
= kthread_run(dhd_dpc_thread
, dhd
, "dhd_dpc");
1984 if (IS_ERR(dhd
->dpc_tsk
)) {
1986 "dhd_dpc thread failed to start\n");
1987 dhd
->dpc_tsk
= NULL
;
1990 tasklet_init(&dhd
->tasklet
, dhd_dpc
, (unsigned long) dhd
);
1991 dhd
->dpc_tsk
= NULL
;
1995 sema_init(&dhd
->sysioc_sem
, 0);
1996 dhd
->sysioc_tsk
= kthread_run(_dhd_sysioc_thread
, dhd
,
1998 if (IS_ERR(dhd
->sysioc_tsk
)) {
2000 "_dhd_sysioc thread failed to start\n");
2001 dhd
->sysioc_tsk
= NULL
;
2004 dhd
->sysioc_tsk
= NULL
;
2007 * Save the dhd_info into the priv
2009 memcpy(netdev_priv(net
), &dhd
, sizeof(dhd
));
2011 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
2014 #if defined(CONFIG_PM_SLEEP)
2015 atomic_set(&dhd_mmc_suspend
, false);
2016 if (!IS_CFG80211_FAVORITE())
2017 register_pm_notifier(&dhd_sleep_pm_notifier
);
2018 #endif /* defined(CONFIG_PM_SLEEP) */
2019 /* && defined(DHD_GPL) */
2020 /* Init lock suspend to prevent kernel going to suspend */
2021 #ifdef CONFIG_HAS_EARLYSUSPEND
2022 dhd
->early_suspend
.level
= EARLY_SUSPEND_LEVEL_BLANK_SCREEN
+ 20;
2023 dhd
->early_suspend
.suspend
= dhd_early_suspend
;
2024 dhd
->early_suspend
.resume
= dhd_late_resume
;
2025 register_early_suspend(&dhd
->early_suspend
);
2034 dhd_detach(&dhd
->pub
);
2039 int dhd_bus_start(dhd_pub_t
*dhdp
)
2042 dhd_info_t
*dhd
= (dhd_info_t
*) dhdp
->info
;
2043 #ifdef EMBEDDED_PLATFORM
2044 char iovbuf
[WL_EVENTING_MASK_LEN
+ 12]; /* Room for "event_msgs" +
2046 #endif /* EMBEDDED_PLATFORM */
2050 DHD_TRACE(("%s:\n", __func__
));
2052 /* try to download image and nvram to the dongle */
2053 if (dhd
->pub
.busstate
== DHD_BUS_DOWN
) {
2054 if (!(dhd_bus_download_firmware(dhd
->pub
.bus
,
2055 fw_path
, nv_path
))) {
2056 DHD_ERROR(("%s: dhdsdio_probe_download failed. "
2057 "firmware = %s nvram = %s\n",
2058 __func__
, fw_path
, nv_path
));
2063 /* Start the watchdog timer */
2064 dhd
->pub
.tickcnt
= 0;
2065 dhd_os_wd_timer(&dhd
->pub
, dhd_watchdog_ms
);
2067 /* Bring up the bus */
2068 ret
= dhd_bus_init(&dhd
->pub
, true);
2070 DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__
, ret
));
2073 #if defined(OOB_INTR_ONLY)
2074 /* Host registration for OOB interrupt */
2075 if (bcmsdh_register_oob_intr(dhdp
)) {
2076 del_timer_sync(&dhd
->timer
);
2077 dhd
->wd_timer_valid
= false;
2078 DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__
));
2082 /* Enable oob at firmware */
2083 dhd_enable_oob_intr(dhd
->pub
.bus
, true);
2084 #endif /* defined(OOB_INTR_ONLY) */
2086 /* If bus is not ready, can't come up */
2087 if (dhd
->pub
.busstate
!= DHD_BUS_DATA
) {
2088 del_timer_sync(&dhd
->timer
);
2089 dhd
->wd_timer_valid
= false;
2090 DHD_ERROR(("%s failed bus is not ready\n", __func__
));
2093 #ifdef EMBEDDED_PLATFORM
2094 bcm_mkiovar("event_msgs", dhdp
->eventmask
, WL_EVENTING_MASK_LEN
, iovbuf
,
2096 dhdcdc_query_ioctl(dhdp
, 0, WLC_GET_VAR
, iovbuf
, sizeof(iovbuf
));
2097 memcpy(dhdp
->eventmask
, iovbuf
, WL_EVENTING_MASK_LEN
);
2099 setbit(dhdp
->eventmask
, WLC_E_SET_SSID
);
2100 setbit(dhdp
->eventmask
, WLC_E_PRUNE
);
2101 setbit(dhdp
->eventmask
, WLC_E_AUTH
);
2102 setbit(dhdp
->eventmask
, WLC_E_REASSOC
);
2103 setbit(dhdp
->eventmask
, WLC_E_REASSOC_IND
);
2104 setbit(dhdp
->eventmask
, WLC_E_DEAUTH_IND
);
2105 setbit(dhdp
->eventmask
, WLC_E_DISASSOC_IND
);
2106 setbit(dhdp
->eventmask
, WLC_E_DISASSOC
);
2107 setbit(dhdp
->eventmask
, WLC_E_JOIN
);
2108 setbit(dhdp
->eventmask
, WLC_E_ASSOC_IND
);
2109 setbit(dhdp
->eventmask
, WLC_E_PSK_SUP
);
2110 setbit(dhdp
->eventmask
, WLC_E_LINK
);
2111 setbit(dhdp
->eventmask
, WLC_E_NDIS_LINK
);
2112 setbit(dhdp
->eventmask
, WLC_E_MIC_ERROR
);
2113 setbit(dhdp
->eventmask
, WLC_E_PMKID_CACHE
);
2114 setbit(dhdp
->eventmask
, WLC_E_TXFAIL
);
2115 setbit(dhdp
->eventmask
, WLC_E_JOIN_START
);
2116 setbit(dhdp
->eventmask
, WLC_E_SCAN_COMPLETE
);
2118 setbit(dhdp
->eventmask
, WLC_E_PFN_NET_FOUND
);
2119 #endif /* PNO_SUPPORT */
2121 /* enable dongle roaming event */
2123 dhdp
->pktfilter_count
= 1;
2124 /* Setup filter to allow only unicast */
2125 dhdp
->pktfilter
[0] = "100 0 0 0 0x01 0x00";
2126 #endif /* EMBEDDED_PLATFORM */
2128 /* Bus is ready, do any protocol initialization */
2129 ret
= dhd_prot_init(&dhd
->pub
);
2137 dhd_iovar(dhd_pub_t
*pub
, int ifidx
, char *name
, char *cmd_buf
, uint cmd_len
,
2140 char buf
[strlen(name
) + 1 + cmd_len
];
2141 int len
= sizeof(buf
);
2145 len
= bcm_mkiovar(name
, cmd_buf
, cmd_len
, buf
, len
);
2147 memset(&ioc
, 0, sizeof(ioc
));
2149 ioc
.cmd
= set
? WLC_SET_VAR
: WLC_GET_VAR
;
2154 ret
= dhd_prot_ioctl(pub
, ifidx
, &ioc
, ioc
.buf
, ioc
.len
);
2155 if (!set
&& ret
>= 0)
2156 memcpy(cmd_buf
, buf
, cmd_len
);
2161 static struct net_device_ops dhd_ops_pri
= {
2162 .ndo_open
= dhd_open
,
2163 .ndo_stop
= dhd_stop
,
2164 .ndo_get_stats
= dhd_get_stats
,
2165 .ndo_do_ioctl
= dhd_ioctl_entry
,
2166 .ndo_start_xmit
= dhd_start_xmit
,
2167 .ndo_set_mac_address
= dhd_set_mac_address
,
2168 .ndo_set_multicast_list
= dhd_set_multicast_list
2171 int dhd_net_attach(dhd_pub_t
*dhdp
, int ifidx
)
2173 dhd_info_t
*dhd
= (dhd_info_t
*) dhdp
->info
;
2174 struct net_device
*net
;
2175 u8 temp_addr
[ETH_ALEN
] = {
2176 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33};
2178 DHD_TRACE(("%s: ifidx %d\n", __func__
, ifidx
));
2180 ASSERT(dhd
&& dhd
->iflist
[ifidx
]);
2182 net
= dhd
->iflist
[ifidx
]->net
;
2185 ASSERT(!net
->netdev_ops
);
2186 net
->netdev_ops
= &dhd_ops_pri
;
2189 * We have to use the primary MAC for virtual interfaces
2192 /* for virtual interfaces use the primary MAC */
2193 memcpy(temp_addr
, dhd
->pub
.mac
, ETH_ALEN
);
2198 DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__
));
2199 /* ACCESSPOINT INTERFACE CASE */
2200 temp_addr
[0] |= 0X02; /* set bit 2 ,
2201 - Locally Administered address */
2204 net
->hard_header_len
= ETH_HLEN
+ dhd
->pub
.hdrlen
;
2205 net
->ethtool_ops
= &dhd_ethtool_ops
;
2207 dhd
->pub
.rxsz
= net
->mtu
+ net
->hard_header_len
+ dhd
->pub
.hdrlen
;
2209 memcpy(net
->dev_addr
, temp_addr
, ETH_ALEN
);
2211 if (register_netdev(net
) != 0) {
2212 DHD_ERROR(("%s: couldn't register the net device\n",
2217 DHD_INFO(("%s: Broadcom Dongle Host Driver\n", net
->name
));
2222 net
->netdev_ops
= NULL
;
2226 void dhd_bus_detach(dhd_pub_t
*dhdp
)
2230 DHD_TRACE(("%s: Enter\n", __func__
));
2233 dhd
= (dhd_info_t
*) dhdp
->info
;
2235 /* Stop the protocol module */
2236 dhd_prot_stop(&dhd
->pub
);
2238 /* Stop the bus module */
2239 dhd_bus_stop(dhd
->pub
.bus
, true);
2240 #if defined(OOB_INTR_ONLY)
2241 bcmsdh_unregister_oob_intr();
2242 #endif /* defined(OOB_INTR_ONLY) */
2244 /* Clear the watchdog timer */
2245 del_timer_sync(&dhd
->timer
);
2246 dhd
->wd_timer_valid
= false;
2251 void dhd_detach(dhd_pub_t
*dhdp
)
2255 DHD_TRACE(("%s: Enter\n", __func__
));
2258 dhd
= (dhd_info_t
*) dhdp
->info
;
2263 #if defined(CONFIG_HAS_EARLYSUSPEND)
2264 if (dhd
->early_suspend
.suspend
)
2265 unregister_early_suspend(&dhd
->early_suspend
);
2266 #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
2268 for (i
= 1; i
< DHD_MAX_IFS
; i
++)
2272 ifp
= dhd
->iflist
[0];
2274 if (ifp
->net
->netdev_ops
== &dhd_ops_pri
) {
2276 unregister_netdev(ifp
->net
);
2279 if (dhd
->watchdog_tsk
) {
2280 send_sig(SIGTERM
, dhd
->watchdog_tsk
, 1);
2281 kthread_stop(dhd
->watchdog_tsk
);
2282 dhd
->watchdog_tsk
= NULL
;
2286 send_sig(SIGTERM
, dhd
->dpc_tsk
, 1);
2287 kthread_stop(dhd
->dpc_tsk
);
2288 dhd
->dpc_tsk
= NULL
;
2290 tasklet_kill(&dhd
->tasklet
);
2292 if (dhd
->sysioc_tsk
) {
2293 send_sig(SIGTERM
, dhd
->sysioc_tsk
, 1);
2294 kthread_stop(dhd
->sysioc_tsk
);
2295 dhd
->sysioc_tsk
= NULL
;
2298 dhd_bus_detach(dhdp
);
2301 dhd_prot_detach(dhdp
);
2303 #if defined(CONFIG_WIRELESS_EXT)
2305 #endif /* (CONFIG_WIRELESS_EXT) */
2307 if (IS_CFG80211_FAVORITE())
2308 wl_cfg80211_detach();
2310 #if defined(CONFIG_PM_SLEEP)
2311 if (!IS_CFG80211_FAVORITE())
2312 unregister_pm_notifier(&dhd_sleep_pm_notifier
);
2313 #endif /* defined(CONFIG_PM_SLEEP) */
2314 /* && defined(DHD_GPL) */
2315 free_netdev(ifp
->net
);
2322 static void __exit
dhd_module_cleanup(void)
2324 DHD_TRACE(("%s: Enter\n", __func__
));
2326 dhd_bus_unregister();
2327 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
2330 /* Call customer gpio to turn off power with WL_REG_ON signal */
2331 dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF
);
2334 static int __init
dhd_module_init(void)
2338 DHD_TRACE(("%s: Enter\n", __func__
));
2340 /* Sanity check on the module parameters */
2342 /* Both watchdog and DPC as tasklets are ok */
2343 if ((dhd_watchdog_prio
< 0) && (dhd_dpc_prio
< 0))
2346 /* If both watchdog and DPC are threads, TX must be deferred */
2347 if ((dhd_watchdog_prio
>= 0) && (dhd_dpc_prio
>= 0)
2351 DHD_ERROR(("Invalid module parameters.\n"));
2354 /* Call customer gpio to turn on power with WL_REG_ON signal */
2355 dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON
);
2357 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
2358 sema_init(&wifi_control_sem
, 0);
2360 error
= wifi_add_dev();
2362 DHD_ERROR(("%s: platform_driver_register failed\n", __func__
));
2366 /* Waiting callback after platform_driver_register is done or
2368 if (down_timeout(&wifi_control_sem
, msecs_to_jiffies(1000)) != 0) {
2369 printk(KERN_ERR
"%s: platform_driver_register timeout\n",
2375 #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
2377 error
= dhd_bus_register();
2380 DHD_ERROR(("%s: sdio_register_driver failed\n", __func__
));
2386 /* turn off power and exit */
2387 dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF
);
2391 module_init(dhd_module_init
);
2392 module_exit(dhd_module_cleanup
);
2395 * OS specific functions required to implement DHD driver in OS independent way
2397 int dhd_os_proto_block(dhd_pub_t
*pub
)
2399 dhd_info_t
*dhd
= (dhd_info_t
*) (pub
->info
);
2402 down(&dhd
->proto_sem
);
2408 int dhd_os_proto_unblock(dhd_pub_t
*pub
)
2410 dhd_info_t
*dhd
= (dhd_info_t
*) (pub
->info
);
2413 up(&dhd
->proto_sem
);
2420 unsigned int dhd_os_get_ioctl_resp_timeout(void)
2422 return (unsigned int)dhd_ioctl_timeout_msec
;
2425 void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec
)
2427 dhd_ioctl_timeout_msec
= (int)timeout_msec
;
2430 int dhd_os_ioctl_resp_wait(dhd_pub_t
*pub
, uint
*condition
, bool *pending
)
2432 dhd_info_t
*dhd
= (dhd_info_t
*) (pub
->info
);
2433 DECLARE_WAITQUEUE(wait
, current
);
2434 int timeout
= dhd_ioctl_timeout_msec
;
2436 /* Convert timeout in millsecond to jiffies */
2437 timeout
= timeout
* HZ
/ 1000;
2439 /* Wait until control frame is available */
2440 add_wait_queue(&dhd
->ioctl_resp_wait
, &wait
);
2441 set_current_state(TASK_INTERRUPTIBLE
);
2443 while (!(*condition
) && (!signal_pending(current
) && timeout
))
2444 timeout
= schedule_timeout(timeout
);
2446 if (signal_pending(current
))
2449 set_current_state(TASK_RUNNING
);
2450 remove_wait_queue(&dhd
->ioctl_resp_wait
, &wait
);
2455 int dhd_os_ioctl_resp_wake(dhd_pub_t
*pub
)
2457 dhd_info_t
*dhd
= (dhd_info_t
*) (pub
->info
);
2459 if (waitqueue_active(&dhd
->ioctl_resp_wait
))
2460 wake_up_interruptible(&dhd
->ioctl_resp_wait
);
2465 void dhd_os_wd_timer(void *bus
, uint wdtick
)
2467 dhd_pub_t
*pub
= bus
;
2468 static uint save_dhd_watchdog_ms
;
2469 dhd_info_t
*dhd
= (dhd_info_t
*) pub
->info
;
2471 /* don't start the wd until fw is loaded */
2472 if (pub
->busstate
== DHD_BUS_DOWN
)
2475 /* Totally stop the timer */
2476 if (!wdtick
&& dhd
->wd_timer_valid
== true) {
2477 del_timer_sync(&dhd
->timer
);
2478 dhd
->wd_timer_valid
= false;
2479 save_dhd_watchdog_ms
= wdtick
;
2484 dhd_watchdog_ms
= (uint
) wdtick
;
2486 if (save_dhd_watchdog_ms
!= dhd_watchdog_ms
) {
2488 if (dhd
->wd_timer_valid
== true)
2489 /* Stop timer and restart at new value */
2490 del_timer_sync(&dhd
->timer
);
2492 /* Create timer again when watchdog period is
2493 dynamically changed or in the first instance
2495 dhd
->timer
.expires
=
2496 jiffies
+ dhd_watchdog_ms
* HZ
/ 1000;
2497 add_timer(&dhd
->timer
);
2500 /* Re arm the timer, at last watchdog period */
2501 mod_timer(&dhd
->timer
,
2502 jiffies
+ dhd_watchdog_ms
* HZ
/ 1000);
2505 dhd
->wd_timer_valid
= true;
2506 save_dhd_watchdog_ms
= wdtick
;
2510 void *dhd_os_open_image(char *filename
)
2514 if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
2515 return wl_cfg80211_request_fw(filename
);
2517 fp
= filp_open(filename
, O_RDONLY
, 0);
2519 * 2.6.11 (FC4) supports filp_open() but later revs don't?
2521 * fp = open_namei(AT_FDCWD, filename, O_RD, 0);
2530 int dhd_os_get_image_block(char *buf
, int len
, void *image
)
2532 struct file
*fp
= (struct file
*)image
;
2535 if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
2536 return wl_cfg80211_read_fw(buf
, len
);
2541 rdlen
= kernel_read(fp
, fp
->f_pos
, buf
, len
);
2548 void dhd_os_close_image(void *image
)
2550 if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
2551 return wl_cfg80211_release_fw();
2553 filp_close((struct file
*)image
, NULL
);
2556 void dhd_os_sdlock(dhd_pub_t
*pub
)
2560 dhd
= (dhd_info_t
*) (pub
->info
);
2562 if (dhd
->threads_only
)
2565 spin_lock_bh(&dhd
->sdlock
);
2568 void dhd_os_sdunlock(dhd_pub_t
*pub
)
2572 dhd
= (dhd_info_t
*) (pub
->info
);
2574 if (dhd
->threads_only
)
2577 spin_unlock_bh(&dhd
->sdlock
);
2580 void dhd_os_sdlock_txq(dhd_pub_t
*pub
)
2584 dhd
= (dhd_info_t
*) (pub
->info
);
2585 spin_lock_bh(&dhd
->txqlock
);
2588 void dhd_os_sdunlock_txq(dhd_pub_t
*pub
)
2592 dhd
= (dhd_info_t
*) (pub
->info
);
2593 spin_unlock_bh(&dhd
->txqlock
);
2596 void dhd_os_sdlock_rxq(dhd_pub_t
*pub
)
2600 void dhd_os_sdunlock_rxq(dhd_pub_t
*pub
)
2604 void dhd_os_sdtxlock(dhd_pub_t
*pub
)
2609 void dhd_os_sdtxunlock(dhd_pub_t
*pub
)
2611 dhd_os_sdunlock(pub
);
2615 dhd_wl_host_event(dhd_info_t
*dhd
, int *ifidx
, void *pktdata
,
2616 wl_event_msg_t
*event
, void **data
)
2620 ASSERT(dhd
!= NULL
);
2622 bcmerror
= wl_host_event(dhd
, ifidx
, pktdata
, event
, data
);
2626 #if defined(CONFIG_WIRELESS_EXT)
2627 if (!IS_CFG80211_FAVORITE()) {
2628 if ((dhd
->iflist
[*ifidx
] == NULL
)
2629 || (dhd
->iflist
[*ifidx
]->net
== NULL
)) {
2630 DHD_ERROR(("%s Exit null pointer\n", __func__
));
2634 if (dhd
->iflist
[*ifidx
]->net
)
2635 wl_iw_event(dhd
->iflist
[*ifidx
]->net
, event
, *data
);
2637 #endif /* defined(CONFIG_WIRELESS_EXT) */
2639 if (IS_CFG80211_FAVORITE()) {
2640 ASSERT(dhd
->iflist
[*ifidx
] != NULL
);
2641 ASSERT(dhd
->iflist
[*ifidx
]->net
!= NULL
);
2642 if (dhd
->iflist
[*ifidx
]->net
)
2643 wl_cfg80211_event(dhd
->iflist
[*ifidx
]->net
, event
,
2650 /* send up locally generated event */
2651 void dhd_sendup_event(dhd_pub_t
*dhdp
, wl_event_msg_t
*event
, void *data
)
2653 switch (be32_to_cpu(event
->event_type
)) {
2659 void dhd_wait_for_event(dhd_pub_t
*dhd
, bool *lockvar
)
2661 struct dhd_info
*dhdinfo
= dhd
->info
;
2662 dhd_os_sdunlock(dhd
);
2663 wait_event_interruptible_timeout(dhdinfo
->ctrl_wait
,
2664 (*lockvar
== false), HZ
* 2);
2669 void dhd_wait_event_wakeup(dhd_pub_t
*dhd
)
2671 struct dhd_info
*dhdinfo
= dhd
->info
;
2672 if (waitqueue_active(&dhdinfo
->ctrl_wait
))
2673 wake_up_interruptible(&dhdinfo
->ctrl_wait
);
2677 int dhd_dev_reset(struct net_device
*dev
, u8 flag
)
2679 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2681 /* Turning off watchdog */
2683 dhd_os_wd_timer(&dhd
->pub
, 0);
2685 dhd_bus_devreset(&dhd
->pub
, flag
);
2687 /* Turning on watchdog back */
2689 dhd_os_wd_timer(&dhd
->pub
, dhd_watchdog_ms
);
2690 DHD_ERROR(("%s: WLAN OFF DONE\n", __func__
));
2695 int net_os_set_suspend_disable(struct net_device
*dev
, int val
)
2697 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2701 ret
= dhd
->pub
.suspend_disable_flag
;
2702 dhd
->pub
.suspend_disable_flag
= val
;
2707 int net_os_set_suspend(struct net_device
*dev
, int val
)
2710 #if defined(CONFIG_HAS_EARLYSUSPEND)
2711 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2714 dhd_os_proto_block(&dhd
->pub
);
2715 ret
= dhd_set_suspend(val
, &dhd
->pub
);
2716 dhd_os_proto_unblock(&dhd
->pub
);
2718 #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
2722 int net_os_set_dtim_skip(struct net_device
*dev
, int val
)
2724 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(dev
);
2727 dhd
->pub
.dtim_skip
= val
;
2732 int net_os_set_packet_filter(struct net_device
*dev
, int val
)
2734 dhd_info_t
*dhd
= *(dhd_info_t
**) netdev_priv(dev
);
2737 /* Packet filtering is set only if we still in early-suspend and
2738 * we need either to turn it ON or turn it OFF
2739 * We can always turn it OFF in case of early-suspend, but we turn it
2740 * back ON only if suspend_disable_flag was not set
2742 if (dhd
&& dhd
->pub
.up
) {
2743 dhd_os_proto_block(&dhd
->pub
);
2744 if (dhd
->pub
.in_suspend
) {
2745 if (!val
|| (val
&& !dhd
->pub
.suspend_disable_flag
))
2746 dhd_set_packet_filter(val
, &dhd
->pub
);
2748 dhd_os_proto_unblock(&dhd
->pub
);
2753 void dhd_dev_init_ioctl(struct net_device
*dev
)
2755 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2757 dhd_preinit_ioctls(&dhd
->pub
);
2761 /* Linux wrapper to call common dhd_pno_clean */
2762 int dhd_dev_pno_reset(struct net_device
*dev
)
2764 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2766 return dhd_pno_clean(&dhd
->pub
);
2769 /* Linux wrapper to call common dhd_pno_enable */
2770 int dhd_dev_pno_enable(struct net_device
*dev
, int pfn_enabled
)
2772 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2774 return dhd_pno_enable(&dhd
->pub
, pfn_enabled
);
2777 /* Linux wrapper to call common dhd_pno_set */
2779 dhd_dev_pno_set(struct net_device
*dev
, wlc_ssid_t
*ssids_local
, int nssid
,
2780 unsigned char scan_fr
)
2782 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2784 return dhd_pno_set(&dhd
->pub
, ssids_local
, nssid
, scan_fr
);
2787 /* Linux wrapper to get pno status */
2788 int dhd_dev_get_pno_status(struct net_device
*dev
)
2790 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2792 return dhd_pno_get_status(&dhd
->pub
);
2795 #endif /* PNO_SUPPORT */
2797 static int dhd_get_pend_8021x_cnt(dhd_info_t
*dhd
)
2799 return atomic_read(&dhd
->pend_8021x_cnt
);
2802 #define MAX_WAIT_FOR_8021X_TX 10
2804 int dhd_wait_pend8021x(struct net_device
*dev
)
2806 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(dev
);
2807 int timeout
= 10 * HZ
/ 1000;
2808 int ntimes
= MAX_WAIT_FOR_8021X_TX
;
2809 int pend
= dhd_get_pend_8021x_cnt(dhd
);
2811 while (ntimes
&& pend
) {
2813 set_current_state(TASK_INTERRUPTIBLE
);
2814 schedule_timeout(timeout
);
2815 set_current_state(TASK_RUNNING
);
2818 pend
= dhd_get_pend_8021x_cnt(dhd
);
2823 void wl_os_wd_timer(struct net_device
*ndev
, uint wdtick
)
2825 dhd_info_t
*dhd
= *(dhd_info_t
**)netdev_priv(ndev
);
2827 dhd_os_wd_timer(&dhd
->pub
, wdtick
);
2831 int write_to_file(dhd_pub_t
*dhd
, u8
*buf
, int size
)
2835 mm_segment_t old_fs
;
2838 /* change to KERNEL_DS address limit */
2842 /* open file to write */
2843 fp
= filp_open("/tmp/mem_dump", O_WRONLY
| O_CREAT
, 0640);
2845 DHD_ERROR(("%s: open file error\n", __func__
));
2850 /* Write buf to file */
2851 fp
->f_op
->write(fp
, buf
, size
, &pos
);
2854 /* free buf before return */
2856 /* close file before return */
2858 filp_close(fp
, current
->files
);
2859 /* restore previous address limit */
2864 #endif /* DHD_DEBUG */