2 * drivers/net/wireless/mwl8k.c
3 * Driver for Marvell TOPDOG 802.11 Wireless cards
5 * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
12 #include <linux/init.h>
13 #include <linux/module.h>
14 #include <linux/kernel.h>
15 #include <linux/sched.h>
16 #include <linux/spinlock.h>
17 #include <linux/list.h>
18 #include <linux/pci.h>
19 #include <linux/delay.h>
20 #include <linux/completion.h>
21 #include <linux/etherdevice.h>
22 #include <net/mac80211.h>
23 #include <linux/moduleparam.h>
24 #include <linux/firmware.h>
25 #include <linux/workqueue.h>
27 #define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver"
28 #define MWL8K_NAME KBUILD_MODNAME
29 #define MWL8K_VERSION "0.10"
31 /* Register definitions */
32 #define MWL8K_HIU_GEN_PTR 0x00000c10
33 #define MWL8K_MODE_STA 0x0000005a
34 #define MWL8K_MODE_AP 0x000000a5
35 #define MWL8K_HIU_INT_CODE 0x00000c14
36 #define MWL8K_FWSTA_READY 0xf0f1f2f4
37 #define MWL8K_FWAP_READY 0xf1f2f4a5
38 #define MWL8K_INT_CODE_CMD_FINISHED 0x00000005
39 #define MWL8K_HIU_SCRATCH 0x00000c40
41 /* Host->device communications */
42 #define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18
43 #define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c
44 #define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20
45 #define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24
46 #define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28
47 #define MWL8K_H2A_INT_DUMMY (1 << 20)
48 #define MWL8K_H2A_INT_RESET (1 << 15)
49 #define MWL8K_H2A_INT_DOORBELL (1 << 1)
50 #define MWL8K_H2A_INT_PPA_READY (1 << 0)
52 /* Device->host communications */
53 #define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c
54 #define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30
55 #define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34
56 #define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38
57 #define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c
58 #define MWL8K_A2H_INT_DUMMY (1 << 20)
59 #define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11)
60 #define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10)
61 #define MWL8K_A2H_INT_RADAR_DETECT (1 << 7)
62 #define MWL8K_A2H_INT_RADIO_ON (1 << 6)
63 #define MWL8K_A2H_INT_RADIO_OFF (1 << 5)
64 #define MWL8K_A2H_INT_MAC_EVENT (1 << 3)
65 #define MWL8K_A2H_INT_OPC_DONE (1 << 2)
66 #define MWL8K_A2H_INT_RX_READY (1 << 1)
67 #define MWL8K_A2H_INT_TX_DONE (1 << 0)
69 #define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \
70 MWL8K_A2H_INT_CHNL_SWITCHED | \
71 MWL8K_A2H_INT_QUEUE_EMPTY | \
72 MWL8K_A2H_INT_RADAR_DETECT | \
73 MWL8K_A2H_INT_RADIO_ON | \
74 MWL8K_A2H_INT_RADIO_OFF | \
75 MWL8K_A2H_INT_MAC_EVENT | \
76 MWL8K_A2H_INT_OPC_DONE | \
77 MWL8K_A2H_INT_RX_READY | \
78 MWL8K_A2H_INT_TX_DONE)
80 #define MWL8K_RX_QUEUES 1
81 #define MWL8K_TX_QUEUES 4
85 void (*rxd_init
)(void *rxd
, dma_addr_t next_dma_addr
);
86 void (*rxd_refill
)(void *rxd
, dma_addr_t addr
, int len
);
87 int (*rxd_process
)(void *rxd
, struct ieee80211_rx_status
*status
,
91 struct mwl8k_device_info
{
95 struct rxd_ops
*rxd_ops
;
99 struct mwl8k_rx_queue
{
102 /* hw receives here */
105 /* refill descs here */
112 DECLARE_PCI_UNMAP_ADDR(dma
)
116 struct mwl8k_tx_queue
{
117 /* hw transmits here */
120 /* sw appends here */
123 struct ieee80211_tx_queue_stats stats
;
124 struct mwl8k_tx_desc
*txd
;
126 struct sk_buff
**skb
;
129 /* Pointers to the firmware data and meta information about it. */
130 struct mwl8k_firmware
{
131 /* Boot helper code */
132 struct firmware
*helper
;
135 struct firmware
*ucode
;
141 struct ieee80211_hw
*hw
;
143 struct pci_dev
*pdev
;
145 struct mwl8k_device_info
*device_info
;
147 struct rxd_ops
*rxd_ops
;
149 /* firmware files and meta data */
150 struct mwl8k_firmware fw
;
152 /* firmware access */
153 struct mutex fw_mutex
;
154 struct task_struct
*fw_mutex_owner
;
156 struct completion
*hostcmd_wait
;
158 /* lock held over TX and TX reap */
161 /* TX quiesce completion, protected by fw_mutex and tx_lock */
162 struct completion
*tx_wait
;
164 struct ieee80211_vif
*vif
;
166 struct ieee80211_channel
*current_channel
;
168 /* power management status cookie from firmware */
170 dma_addr_t cookie_dma
;
177 * Running count of TX packets in flight, to avoid
178 * iterating over the transmit rings each time.
182 struct mwl8k_rx_queue rxq
[MWL8K_RX_QUEUES
];
183 struct mwl8k_tx_queue txq
[MWL8K_TX_QUEUES
];
186 struct ieee80211_supported_band band
;
187 struct ieee80211_channel channels
[14];
188 struct ieee80211_rate rates
[14];
191 bool radio_short_preamble
;
192 bool sniffer_enabled
;
195 /* XXX need to convert this to handle multiple interfaces */
197 u8 capture_bssid
[ETH_ALEN
];
198 struct sk_buff
*beacon_skb
;
201 * This FJ worker has to be global as it is scheduled from the
202 * RX handler. At this point we don't know which interface it
203 * belongs to until the list of bssids waiting to complete join
206 struct work_struct finalize_join_worker
;
208 /* Tasklet to reclaim TX descriptors and buffers after tx */
209 struct tasklet_struct tx_reclaim_task
;
212 /* Per interface specific private data */
214 /* backpointer to parent config block */
215 struct mwl8k_priv
*priv
;
217 /* BSS config of AP or IBSS from mac80211*/
218 struct ieee80211_bss_conf bss_info
;
220 /* BSSID of AP or IBSS */
222 u8 mac_addr
[ETH_ALEN
];
224 /* Index into station database.Returned by update_sta_db call */
227 /* Non AMPDU sequence number assigned by driver */
231 #define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
233 static const struct ieee80211_channel mwl8k_channels
[] = {
234 { .center_freq
= 2412, .hw_value
= 1, },
235 { .center_freq
= 2417, .hw_value
= 2, },
236 { .center_freq
= 2422, .hw_value
= 3, },
237 { .center_freq
= 2427, .hw_value
= 4, },
238 { .center_freq
= 2432, .hw_value
= 5, },
239 { .center_freq
= 2437, .hw_value
= 6, },
240 { .center_freq
= 2442, .hw_value
= 7, },
241 { .center_freq
= 2447, .hw_value
= 8, },
242 { .center_freq
= 2452, .hw_value
= 9, },
243 { .center_freq
= 2457, .hw_value
= 10, },
244 { .center_freq
= 2462, .hw_value
= 11, },
247 static const struct ieee80211_rate mwl8k_rates
[] = {
248 { .bitrate
= 10, .hw_value
= 2, },
249 { .bitrate
= 20, .hw_value
= 4, },
250 { .bitrate
= 55, .hw_value
= 11, },
251 { .bitrate
= 110, .hw_value
= 22, },
252 { .bitrate
= 220, .hw_value
= 44, },
253 { .bitrate
= 60, .hw_value
= 12, },
254 { .bitrate
= 90, .hw_value
= 18, },
255 { .bitrate
= 120, .hw_value
= 24, },
256 { .bitrate
= 180, .hw_value
= 36, },
257 { .bitrate
= 240, .hw_value
= 48, },
258 { .bitrate
= 360, .hw_value
= 72, },
259 { .bitrate
= 480, .hw_value
= 96, },
260 { .bitrate
= 540, .hw_value
= 108, },
261 { .bitrate
= 720, .hw_value
= 144, },
264 static const u8 mwl8k_rateids
[12] = {
265 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108,
268 /* Set or get info from Firmware */
269 #define MWL8K_CMD_SET 0x0001
270 #define MWL8K_CMD_GET 0x0000
272 /* Firmware command codes */
273 #define MWL8K_CMD_CODE_DNLD 0x0001
274 #define MWL8K_CMD_GET_HW_SPEC 0x0003
275 #define MWL8K_CMD_SET_HW_SPEC 0x0004
276 #define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010
277 #define MWL8K_CMD_GET_STAT 0x0014
278 #define MWL8K_CMD_RADIO_CONTROL 0x001c
279 #define MWL8K_CMD_RF_TX_POWER 0x001e
280 #define MWL8K_CMD_RF_ANTENNA 0x0020
281 #define MWL8K_CMD_SET_PRE_SCAN 0x0107
282 #define MWL8K_CMD_SET_POST_SCAN 0x0108
283 #define MWL8K_CMD_SET_RF_CHANNEL 0x010a
284 #define MWL8K_CMD_SET_AID 0x010d
285 #define MWL8K_CMD_SET_RATE 0x0110
286 #define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111
287 #define MWL8K_CMD_RTS_THRESHOLD 0x0113
288 #define MWL8K_CMD_SET_SLOT 0x0114
289 #define MWL8K_CMD_SET_EDCA_PARAMS 0x0115
290 #define MWL8K_CMD_SET_WMM_MODE 0x0123
291 #define MWL8K_CMD_MIMO_CONFIG 0x0125
292 #define MWL8K_CMD_USE_FIXED_RATE 0x0126
293 #define MWL8K_CMD_ENABLE_SNIFFER 0x0150
294 #define MWL8K_CMD_SET_MAC_ADDR 0x0202
295 #define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
296 #define MWL8K_CMD_UPDATE_STADB 0x1123
298 static const char *mwl8k_cmd_name(u16 cmd
, char *buf
, int bufsize
)
300 #define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\
301 snprintf(buf, bufsize, "%s", #x);\
304 switch (cmd
& ~0x8000) {
305 MWL8K_CMDNAME(CODE_DNLD
);
306 MWL8K_CMDNAME(GET_HW_SPEC
);
307 MWL8K_CMDNAME(SET_HW_SPEC
);
308 MWL8K_CMDNAME(MAC_MULTICAST_ADR
);
309 MWL8K_CMDNAME(GET_STAT
);
310 MWL8K_CMDNAME(RADIO_CONTROL
);
311 MWL8K_CMDNAME(RF_TX_POWER
);
312 MWL8K_CMDNAME(RF_ANTENNA
);
313 MWL8K_CMDNAME(SET_PRE_SCAN
);
314 MWL8K_CMDNAME(SET_POST_SCAN
);
315 MWL8K_CMDNAME(SET_RF_CHANNEL
);
316 MWL8K_CMDNAME(SET_AID
);
317 MWL8K_CMDNAME(SET_RATE
);
318 MWL8K_CMDNAME(SET_FINALIZE_JOIN
);
319 MWL8K_CMDNAME(RTS_THRESHOLD
);
320 MWL8K_CMDNAME(SET_SLOT
);
321 MWL8K_CMDNAME(SET_EDCA_PARAMS
);
322 MWL8K_CMDNAME(SET_WMM_MODE
);
323 MWL8K_CMDNAME(MIMO_CONFIG
);
324 MWL8K_CMDNAME(USE_FIXED_RATE
);
325 MWL8K_CMDNAME(ENABLE_SNIFFER
);
326 MWL8K_CMDNAME(SET_MAC_ADDR
);
327 MWL8K_CMDNAME(SET_RATEADAPT_MODE
);
328 MWL8K_CMDNAME(UPDATE_STADB
);
330 snprintf(buf
, bufsize
, "0x%x", cmd
);
337 /* Hardware and firmware reset */
338 static void mwl8k_hw_reset(struct mwl8k_priv
*priv
)
340 iowrite32(MWL8K_H2A_INT_RESET
,
341 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
342 iowrite32(MWL8K_H2A_INT_RESET
,
343 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
347 /* Release fw image */
348 static void mwl8k_release_fw(struct firmware
**fw
)
352 release_firmware(*fw
);
356 static void mwl8k_release_firmware(struct mwl8k_priv
*priv
)
358 mwl8k_release_fw(&priv
->fw
.ucode
);
359 mwl8k_release_fw(&priv
->fw
.helper
);
362 /* Request fw image */
363 static int mwl8k_request_fw(struct mwl8k_priv
*priv
,
364 const char *fname
, struct firmware
**fw
)
366 /* release current image */
368 mwl8k_release_fw(fw
);
370 return request_firmware((const struct firmware
**)fw
,
371 fname
, &priv
->pdev
->dev
);
374 static int mwl8k_request_firmware(struct mwl8k_priv
*priv
)
376 struct mwl8k_device_info
*di
= priv
->device_info
;
379 if (di
->helper_image
!= NULL
) {
380 rc
= mwl8k_request_fw(priv
, di
->helper_image
, &priv
->fw
.helper
);
382 printk(KERN_ERR
"%s: Error requesting helper "
383 "firmware file %s\n", pci_name(priv
->pdev
),
389 rc
= mwl8k_request_fw(priv
, di
->fw_image
, &priv
->fw
.ucode
);
391 printk(KERN_ERR
"%s: Error requesting firmware file %s\n",
392 pci_name(priv
->pdev
), di
->fw_image
);
393 mwl8k_release_fw(&priv
->fw
.helper
);
400 MODULE_FIRMWARE("mwl8k/helper_8687.fw");
401 MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
403 struct mwl8k_cmd_pkt
{
409 } __attribute__((packed
));
415 mwl8k_send_fw_load_cmd(struct mwl8k_priv
*priv
, void *data
, int length
)
417 void __iomem
*regs
= priv
->regs
;
421 dma_addr
= pci_map_single(priv
->pdev
, data
, length
, PCI_DMA_TODEVICE
);
422 if (pci_dma_mapping_error(priv
->pdev
, dma_addr
))
425 iowrite32(dma_addr
, regs
+ MWL8K_HIU_GEN_PTR
);
426 iowrite32(0, regs
+ MWL8K_HIU_INT_CODE
);
427 iowrite32(MWL8K_H2A_INT_DOORBELL
,
428 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
429 iowrite32(MWL8K_H2A_INT_DUMMY
,
430 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
436 int_code
= ioread32(regs
+ MWL8K_HIU_INT_CODE
);
437 if (int_code
== MWL8K_INT_CODE_CMD_FINISHED
) {
438 iowrite32(0, regs
+ MWL8K_HIU_INT_CODE
);
446 pci_unmap_single(priv
->pdev
, dma_addr
, length
, PCI_DMA_TODEVICE
);
448 return loops
? 0 : -ETIMEDOUT
;
451 static int mwl8k_load_fw_image(struct mwl8k_priv
*priv
,
452 const u8
*data
, size_t length
)
454 struct mwl8k_cmd_pkt
*cmd
;
458 cmd
= kmalloc(sizeof(*cmd
) + 256, GFP_KERNEL
);
462 cmd
->code
= cpu_to_le16(MWL8K_CMD_CODE_DNLD
);
468 int block_size
= length
> 256 ? 256 : length
;
470 memcpy(cmd
->payload
, data
+ done
, block_size
);
471 cmd
->length
= cpu_to_le16(block_size
);
473 rc
= mwl8k_send_fw_load_cmd(priv
, cmd
,
474 sizeof(*cmd
) + block_size
);
479 length
-= block_size
;
484 rc
= mwl8k_send_fw_load_cmd(priv
, cmd
, sizeof(*cmd
));
492 static int mwl8k_feed_fw_image(struct mwl8k_priv
*priv
,
493 const u8
*data
, size_t length
)
495 unsigned char *buffer
;
496 int may_continue
, rc
= 0;
497 u32 done
, prev_block_size
;
499 buffer
= kmalloc(1024, GFP_KERNEL
);
506 while (may_continue
> 0) {
509 block_size
= ioread32(priv
->regs
+ MWL8K_HIU_SCRATCH
);
510 if (block_size
& 1) {
514 done
+= prev_block_size
;
515 length
-= prev_block_size
;
518 if (block_size
> 1024 || block_size
> length
) {
528 if (block_size
== 0) {
535 prev_block_size
= block_size
;
536 memcpy(buffer
, data
+ done
, block_size
);
538 rc
= mwl8k_send_fw_load_cmd(priv
, buffer
, block_size
);
543 if (!rc
&& length
!= 0)
551 static int mwl8k_load_firmware(struct ieee80211_hw
*hw
)
553 struct mwl8k_priv
*priv
= hw
->priv
;
554 struct firmware
*fw
= priv
->fw
.ucode
;
555 struct mwl8k_device_info
*di
= priv
->device_info
;
559 if (!memcmp(fw
->data
, "\x01\x00\x00\x00", 4)) {
560 struct firmware
*helper
= priv
->fw
.helper
;
562 if (helper
== NULL
) {
563 printk(KERN_ERR
"%s: helper image needed but none "
564 "given\n", pci_name(priv
->pdev
));
568 rc
= mwl8k_load_fw_image(priv
, helper
->data
, helper
->size
);
570 printk(KERN_ERR
"%s: unable to load firmware "
571 "helper image\n", pci_name(priv
->pdev
));
576 rc
= mwl8k_feed_fw_image(priv
, fw
->data
, fw
->size
);
578 rc
= mwl8k_load_fw_image(priv
, fw
->data
, fw
->size
);
582 printk(KERN_ERR
"%s: unable to load firmware image\n",
583 pci_name(priv
->pdev
));
587 if (di
->modes
& BIT(NL80211_IFTYPE_AP
))
588 iowrite32(MWL8K_MODE_AP
, priv
->regs
+ MWL8K_HIU_GEN_PTR
);
590 iowrite32(MWL8K_MODE_STA
, priv
->regs
+ MWL8K_HIU_GEN_PTR
);
597 ready_code
= ioread32(priv
->regs
+ MWL8K_HIU_INT_CODE
);
598 if (ready_code
== MWL8K_FWAP_READY
) {
601 } else if (ready_code
== MWL8K_FWSTA_READY
) {
610 return loops
? 0 : -ETIMEDOUT
;
615 * Defines shared between transmission and reception.
617 /* HT control fields for firmware */
622 } __attribute__((packed
));
624 /* Firmware Station database operations */
625 #define MWL8K_STA_DB_ADD_ENTRY 0
626 #define MWL8K_STA_DB_MODIFY_ENTRY 1
627 #define MWL8K_STA_DB_DEL_ENTRY 2
628 #define MWL8K_STA_DB_FLUSH 3
630 /* Peer Entry flags - used to define the type of the peer node */
631 #define MWL8K_PEER_TYPE_ACCESSPOINT 2
633 struct peer_capability_info
{
634 /* Peer type - AP vs. STA. */
637 /* Basic 802.11 capabilities from assoc resp. */
640 /* Set if peer supports 802.11n high throughput (HT). */
643 /* Valid if HT is supported. */
645 __u8 extended_ht_caps
;
646 struct ewc_ht_info ewc_info
;
648 /* Legacy rate table. Intersection of our rates and peer rates. */
649 __u8 legacy_rates
[12];
651 /* HT rate table. Intersection of our rates and peer rates. */
655 /* If set, interoperability mode, no proprietary extensions. */
659 __le16 amsdu_enabled
;
660 } __attribute__((packed
));
662 /* Inline functions to manipulate QoS field in data descriptor. */
663 static inline u16
mwl8k_qos_setbit_eosp(u16 qos
)
665 u16 val_mask
= 1 << 4;
667 /* End of Service Period Bit 4 */
668 return qos
| val_mask
;
671 static inline u16
mwl8k_qos_setbit_ack(u16 qos
, u8 ack_policy
)
675 u16 qos_mask
= ~(val_mask
<< shift
);
677 /* Ack Policy Bit 5-6 */
678 return (qos
& qos_mask
) | ((ack_policy
& val_mask
) << shift
);
681 static inline u16
mwl8k_qos_setbit_amsdu(u16 qos
)
683 u16 val_mask
= 1 << 7;
685 /* AMSDU present Bit 7 */
686 return qos
| val_mask
;
689 static inline u16
mwl8k_qos_setbit_qlen(u16 qos
, u8 len
)
693 u16 qos_mask
= ~(val_mask
<< shift
);
695 /* Queue Length Bits 8-15 */
696 return (qos
& qos_mask
) | ((len
& val_mask
) << shift
);
699 /* DMA header used by firmware and hardware. */
700 struct mwl8k_dma_data
{
702 struct ieee80211_hdr wh
;
704 } __attribute__((packed
));
706 /* Routines to add/remove DMA header from skb. */
707 static inline void mwl8k_remove_dma_header(struct sk_buff
*skb
, __le16 qos
)
709 struct mwl8k_dma_data
*tr
;
712 tr
= (struct mwl8k_dma_data
*)skb
->data
;
713 hdrlen
= ieee80211_hdrlen(tr
->wh
.frame_control
);
715 if (hdrlen
!= sizeof(tr
->wh
)) {
716 if (ieee80211_is_data_qos(tr
->wh
.frame_control
)) {
717 memmove(tr
->data
- hdrlen
, &tr
->wh
, hdrlen
- 2);
718 *((__le16
*)(tr
->data
- 2)) = qos
;
720 memmove(tr
->data
- hdrlen
, &tr
->wh
, hdrlen
);
724 if (hdrlen
!= sizeof(*tr
))
725 skb_pull(skb
, sizeof(*tr
) - hdrlen
);
728 static inline void mwl8k_add_dma_header(struct sk_buff
*skb
)
730 struct ieee80211_hdr
*wh
;
732 struct mwl8k_dma_data
*tr
;
735 * Add a firmware DMA header; the firmware requires that we
736 * present a 2-byte payload length followed by a 4-address
737 * header (without QoS field), followed (optionally) by any
738 * WEP/ExtIV header (but only filled in for CCMP).
740 wh
= (struct ieee80211_hdr
*)skb
->data
;
742 hdrlen
= ieee80211_hdrlen(wh
->frame_control
);
743 if (hdrlen
!= sizeof(*tr
))
744 skb_push(skb
, sizeof(*tr
) - hdrlen
);
746 if (ieee80211_is_data_qos(wh
->frame_control
))
749 tr
= (struct mwl8k_dma_data
*)skb
->data
;
751 memmove(&tr
->wh
, wh
, hdrlen
);
752 if (hdrlen
!= sizeof(tr
->wh
))
753 memset(((void *)&tr
->wh
) + hdrlen
, 0, sizeof(tr
->wh
) - hdrlen
);
756 * Firmware length is the length of the fully formed "802.11
757 * payload". That is, everything except for the 802.11 header.
758 * This includes all crypto material including the MIC.
760 tr
->fwlen
= cpu_to_le16(skb
->len
- sizeof(*tr
));
765 * Packet reception for 88w8366.
767 struct mwl8k_rxd_8366
{
771 __le32 pkt_phys_addr
;
772 __le32 next_rxd_phys_addr
;
776 __le32 hw_noise_floor_info
;
783 } __attribute__((packed
));
785 #define MWL8K_8366_RATE_INFO_MCS_FORMAT 0x80
786 #define MWL8K_8366_RATE_INFO_40MHZ 0x40
787 #define MWL8K_8366_RATE_INFO_RATEID(x) ((x) & 0x3f)
789 #define MWL8K_8366_RX_CTRL_OWNED_BY_HOST 0x80
791 static void mwl8k_rxd_8366_init(void *_rxd
, dma_addr_t next_dma_addr
)
793 struct mwl8k_rxd_8366
*rxd
= _rxd
;
795 rxd
->next_rxd_phys_addr
= cpu_to_le32(next_dma_addr
);
796 rxd
->rx_ctrl
= MWL8K_8366_RX_CTRL_OWNED_BY_HOST
;
799 static void mwl8k_rxd_8366_refill(void *_rxd
, dma_addr_t addr
, int len
)
801 struct mwl8k_rxd_8366
*rxd
= _rxd
;
803 rxd
->pkt_len
= cpu_to_le16(len
);
804 rxd
->pkt_phys_addr
= cpu_to_le32(addr
);
810 mwl8k_rxd_8366_process(void *_rxd
, struct ieee80211_rx_status
*status
,
813 struct mwl8k_rxd_8366
*rxd
= _rxd
;
815 if (!(rxd
->rx_ctrl
& MWL8K_8366_RX_CTRL_OWNED_BY_HOST
))
819 memset(status
, 0, sizeof(*status
));
821 status
->signal
= -rxd
->rssi
;
822 status
->noise
= -rxd
->noise_floor
;
824 if (rxd
->rate
& MWL8K_8366_RATE_INFO_MCS_FORMAT
) {
825 status
->flag
|= RX_FLAG_HT
;
826 if (rxd
->rate
& MWL8K_8366_RATE_INFO_40MHZ
)
827 status
->flag
|= RX_FLAG_40MHZ
;
828 status
->rate_idx
= MWL8K_8366_RATE_INFO_RATEID(rxd
->rate
);
832 for (i
= 0; i
< ARRAY_SIZE(mwl8k_rates
); i
++) {
833 if (mwl8k_rates
[i
].hw_value
== rxd
->rate
) {
834 status
->rate_idx
= i
;
840 status
->band
= IEEE80211_BAND_2GHZ
;
841 status
->freq
= ieee80211_channel_to_frequency(rxd
->channel
);
843 *qos
= rxd
->qos_control
;
845 return le16_to_cpu(rxd
->pkt_len
);
848 static struct rxd_ops rxd_8366_ops
= {
849 .rxd_size
= sizeof(struct mwl8k_rxd_8366
),
850 .rxd_init
= mwl8k_rxd_8366_init
,
851 .rxd_refill
= mwl8k_rxd_8366_refill
,
852 .rxd_process
= mwl8k_rxd_8366_process
,
856 * Packet reception for 88w8687.
858 struct mwl8k_rxd_8687
{
862 __le32 pkt_phys_addr
;
863 __le32 next_rxd_phys_addr
;
873 } __attribute__((packed
));
875 #define MWL8K_8687_RATE_INFO_SHORTPRE 0x8000
876 #define MWL8K_8687_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3)
877 #define MWL8K_8687_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f)
878 #define MWL8K_8687_RATE_INFO_40MHZ 0x0004
879 #define MWL8K_8687_RATE_INFO_SHORTGI 0x0002
880 #define MWL8K_8687_RATE_INFO_MCS_FORMAT 0x0001
882 #define MWL8K_8687_RX_CTRL_OWNED_BY_HOST 0x02
884 static void mwl8k_rxd_8687_init(void *_rxd
, dma_addr_t next_dma_addr
)
886 struct mwl8k_rxd_8687
*rxd
= _rxd
;
888 rxd
->next_rxd_phys_addr
= cpu_to_le32(next_dma_addr
);
889 rxd
->rx_ctrl
= MWL8K_8687_RX_CTRL_OWNED_BY_HOST
;
892 static void mwl8k_rxd_8687_refill(void *_rxd
, dma_addr_t addr
, int len
)
894 struct mwl8k_rxd_8687
*rxd
= _rxd
;
896 rxd
->pkt_len
= cpu_to_le16(len
);
897 rxd
->pkt_phys_addr
= cpu_to_le32(addr
);
903 mwl8k_rxd_8687_process(void *_rxd
, struct ieee80211_rx_status
*status
,
906 struct mwl8k_rxd_8687
*rxd
= _rxd
;
909 if (!(rxd
->rx_ctrl
& MWL8K_8687_RX_CTRL_OWNED_BY_HOST
))
913 rate_info
= le16_to_cpu(rxd
->rate_info
);
915 memset(status
, 0, sizeof(*status
));
917 status
->signal
= -rxd
->rssi
;
918 status
->noise
= -rxd
->noise_level
;
919 status
->qual
= rxd
->link_quality
;
920 status
->antenna
= MWL8K_8687_RATE_INFO_ANTSELECT(rate_info
);
921 status
->rate_idx
= MWL8K_8687_RATE_INFO_RATEID(rate_info
);
923 if (rate_info
& MWL8K_8687_RATE_INFO_SHORTPRE
)
924 status
->flag
|= RX_FLAG_SHORTPRE
;
925 if (rate_info
& MWL8K_8687_RATE_INFO_40MHZ
)
926 status
->flag
|= RX_FLAG_40MHZ
;
927 if (rate_info
& MWL8K_8687_RATE_INFO_SHORTGI
)
928 status
->flag
|= RX_FLAG_SHORT_GI
;
929 if (rate_info
& MWL8K_8687_RATE_INFO_MCS_FORMAT
)
930 status
->flag
|= RX_FLAG_HT
;
932 status
->band
= IEEE80211_BAND_2GHZ
;
933 status
->freq
= ieee80211_channel_to_frequency(rxd
->channel
);
935 *qos
= rxd
->qos_control
;
937 return le16_to_cpu(rxd
->pkt_len
);
940 static struct rxd_ops rxd_8687_ops
= {
941 .rxd_size
= sizeof(struct mwl8k_rxd_8687
),
942 .rxd_init
= mwl8k_rxd_8687_init
,
943 .rxd_refill
= mwl8k_rxd_8687_refill
,
944 .rxd_process
= mwl8k_rxd_8687_process
,
948 #define MWL8K_RX_DESCS 256
949 #define MWL8K_RX_MAXSZ 3800
951 static int mwl8k_rxq_init(struct ieee80211_hw
*hw
, int index
)
953 struct mwl8k_priv
*priv
= hw
->priv
;
954 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
962 size
= MWL8K_RX_DESCS
* priv
->rxd_ops
->rxd_size
;
964 rxq
->rxd
= pci_alloc_consistent(priv
->pdev
, size
, &rxq
->rxd_dma
);
965 if (rxq
->rxd
== NULL
) {
966 printk(KERN_ERR
"%s: failed to alloc RX descriptors\n",
967 wiphy_name(hw
->wiphy
));
970 memset(rxq
->rxd
, 0, size
);
972 rxq
->buf
= kmalloc(MWL8K_RX_DESCS
* sizeof(*rxq
->buf
), GFP_KERNEL
);
973 if (rxq
->buf
== NULL
) {
974 printk(KERN_ERR
"%s: failed to alloc RX skbuff list\n",
975 wiphy_name(hw
->wiphy
));
976 pci_free_consistent(priv
->pdev
, size
, rxq
->rxd
, rxq
->rxd_dma
);
979 memset(rxq
->buf
, 0, MWL8K_RX_DESCS
* sizeof(*rxq
->buf
));
981 for (i
= 0; i
< MWL8K_RX_DESCS
; i
++) {
985 dma_addr_t next_dma_addr
;
987 desc_size
= priv
->rxd_ops
->rxd_size
;
988 rxd
= rxq
->rxd
+ (i
* priv
->rxd_ops
->rxd_size
);
991 if (nexti
== MWL8K_RX_DESCS
)
993 next_dma_addr
= rxq
->rxd_dma
+ (nexti
* desc_size
);
995 priv
->rxd_ops
->rxd_init(rxd
, next_dma_addr
);
1001 static int rxq_refill(struct ieee80211_hw
*hw
, int index
, int limit
)
1003 struct mwl8k_priv
*priv
= hw
->priv
;
1004 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1008 while (rxq
->rxd_count
< MWL8K_RX_DESCS
&& limit
--) {
1009 struct sk_buff
*skb
;
1014 skb
= dev_alloc_skb(MWL8K_RX_MAXSZ
);
1018 addr
= pci_map_single(priv
->pdev
, skb
->data
,
1019 MWL8K_RX_MAXSZ
, DMA_FROM_DEVICE
);
1023 if (rxq
->tail
== MWL8K_RX_DESCS
)
1025 rxq
->buf
[rx
].skb
= skb
;
1026 pci_unmap_addr_set(&rxq
->buf
[rx
], dma
, addr
);
1028 rxd
= rxq
->rxd
+ (rx
* priv
->rxd_ops
->rxd_size
);
1029 priv
->rxd_ops
->rxd_refill(rxd
, addr
, MWL8K_RX_MAXSZ
);
1037 /* Must be called only when the card's reception is completely halted */
1038 static void mwl8k_rxq_deinit(struct ieee80211_hw
*hw
, int index
)
1040 struct mwl8k_priv
*priv
= hw
->priv
;
1041 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1044 for (i
= 0; i
< MWL8K_RX_DESCS
; i
++) {
1045 if (rxq
->buf
[i
].skb
!= NULL
) {
1046 pci_unmap_single(priv
->pdev
,
1047 pci_unmap_addr(&rxq
->buf
[i
], dma
),
1048 MWL8K_RX_MAXSZ
, PCI_DMA_FROMDEVICE
);
1049 pci_unmap_addr_set(&rxq
->buf
[i
], dma
, 0);
1051 kfree_skb(rxq
->buf
[i
].skb
);
1052 rxq
->buf
[i
].skb
= NULL
;
1059 pci_free_consistent(priv
->pdev
,
1060 MWL8K_RX_DESCS
* priv
->rxd_ops
->rxd_size
,
1061 rxq
->rxd
, rxq
->rxd_dma
);
1067 * Scan a list of BSSIDs to process for finalize join.
1068 * Allows for extension to process multiple BSSIDs.
1071 mwl8k_capture_bssid(struct mwl8k_priv
*priv
, struct ieee80211_hdr
*wh
)
1073 return priv
->capture_beacon
&&
1074 ieee80211_is_beacon(wh
->frame_control
) &&
1075 !compare_ether_addr(wh
->addr3
, priv
->capture_bssid
);
1078 static inline void mwl8k_save_beacon(struct ieee80211_hw
*hw
,
1079 struct sk_buff
*skb
)
1081 struct mwl8k_priv
*priv
= hw
->priv
;
1083 priv
->capture_beacon
= false;
1084 memset(priv
->capture_bssid
, 0, ETH_ALEN
);
1087 * Use GFP_ATOMIC as rxq_process is called from
1088 * the primary interrupt handler, memory allocation call
1091 priv
->beacon_skb
= skb_copy(skb
, GFP_ATOMIC
);
1092 if (priv
->beacon_skb
!= NULL
)
1093 ieee80211_queue_work(hw
, &priv
->finalize_join_worker
);
1096 static int rxq_process(struct ieee80211_hw
*hw
, int index
, int limit
)
1098 struct mwl8k_priv
*priv
= hw
->priv
;
1099 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1103 while (rxq
->rxd_count
&& limit
--) {
1104 struct sk_buff
*skb
;
1107 struct ieee80211_rx_status status
;
1110 skb
= rxq
->buf
[rxq
->head
].skb
;
1114 rxd
= rxq
->rxd
+ (rxq
->head
* priv
->rxd_ops
->rxd_size
);
1116 pkt_len
= priv
->rxd_ops
->rxd_process(rxd
, &status
, &qos
);
1120 rxq
->buf
[rxq
->head
].skb
= NULL
;
1122 pci_unmap_single(priv
->pdev
,
1123 pci_unmap_addr(&rxq
->buf
[rxq
->head
], dma
),
1124 MWL8K_RX_MAXSZ
, PCI_DMA_FROMDEVICE
);
1125 pci_unmap_addr_set(&rxq
->buf
[rxq
->head
], dma
, 0);
1128 if (rxq
->head
== MWL8K_RX_DESCS
)
1133 skb_put(skb
, pkt_len
);
1134 mwl8k_remove_dma_header(skb
, qos
);
1137 * Check for a pending join operation. Save a
1138 * copy of the beacon and schedule a tasklet to
1139 * send a FINALIZE_JOIN command to the firmware.
1141 if (mwl8k_capture_bssid(priv
, (void *)skb
->data
))
1142 mwl8k_save_beacon(hw
, skb
);
1144 memcpy(IEEE80211_SKB_RXCB(skb
), &status
, sizeof(status
));
1145 ieee80211_rx_irqsafe(hw
, skb
);
1155 * Packet transmission.
1158 /* Transmit packet ACK policy */
1159 #define MWL8K_TXD_ACK_POLICY_NORMAL 0
1160 #define MWL8K_TXD_ACK_POLICY_BLOCKACK 3
1162 #define MWL8K_TXD_STATUS_OK 0x00000001
1163 #define MWL8K_TXD_STATUS_OK_RETRY 0x00000002
1164 #define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004
1165 #define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008
1166 #define MWL8K_TXD_STATUS_FW_OWNED 0x80000000
1168 struct mwl8k_tx_desc
{
1173 __le32 pkt_phys_addr
;
1175 __u8 dest_MAC_addr
[ETH_ALEN
];
1176 __le32 next_txd_phys_addr
;
1181 } __attribute__((packed
));
1183 #define MWL8K_TX_DESCS 128
1185 static int mwl8k_txq_init(struct ieee80211_hw
*hw
, int index
)
1187 struct mwl8k_priv
*priv
= hw
->priv
;
1188 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1192 memset(&txq
->stats
, 0, sizeof(struct ieee80211_tx_queue_stats
));
1193 txq
->stats
.limit
= MWL8K_TX_DESCS
;
1197 size
= MWL8K_TX_DESCS
* sizeof(struct mwl8k_tx_desc
);
1199 txq
->txd
= pci_alloc_consistent(priv
->pdev
, size
, &txq
->txd_dma
);
1200 if (txq
->txd
== NULL
) {
1201 printk(KERN_ERR
"%s: failed to alloc TX descriptors\n",
1202 wiphy_name(hw
->wiphy
));
1205 memset(txq
->txd
, 0, size
);
1207 txq
->skb
= kmalloc(MWL8K_TX_DESCS
* sizeof(*txq
->skb
), GFP_KERNEL
);
1208 if (txq
->skb
== NULL
) {
1209 printk(KERN_ERR
"%s: failed to alloc TX skbuff list\n",
1210 wiphy_name(hw
->wiphy
));
1211 pci_free_consistent(priv
->pdev
, size
, txq
->txd
, txq
->txd_dma
);
1214 memset(txq
->skb
, 0, MWL8K_TX_DESCS
* sizeof(*txq
->skb
));
1216 for (i
= 0; i
< MWL8K_TX_DESCS
; i
++) {
1217 struct mwl8k_tx_desc
*tx_desc
;
1220 tx_desc
= txq
->txd
+ i
;
1221 nexti
= (i
+ 1) % MWL8K_TX_DESCS
;
1223 tx_desc
->status
= 0;
1224 tx_desc
->next_txd_phys_addr
=
1225 cpu_to_le32(txq
->txd_dma
+ nexti
* sizeof(*tx_desc
));
1231 static inline void mwl8k_tx_start(struct mwl8k_priv
*priv
)
1233 iowrite32(MWL8K_H2A_INT_PPA_READY
,
1234 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1235 iowrite32(MWL8K_H2A_INT_DUMMY
,
1236 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1237 ioread32(priv
->regs
+ MWL8K_HIU_INT_CODE
);
1240 static void mwl8k_dump_tx_rings(struct ieee80211_hw
*hw
)
1242 struct mwl8k_priv
*priv
= hw
->priv
;
1245 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
1246 struct mwl8k_tx_queue
*txq
= priv
->txq
+ i
;
1252 for (desc
= 0; desc
< MWL8K_TX_DESCS
; desc
++) {
1253 struct mwl8k_tx_desc
*tx_desc
= txq
->txd
+ desc
;
1256 status
= le32_to_cpu(tx_desc
->status
);
1257 if (status
& MWL8K_TXD_STATUS_FW_OWNED
)
1262 if (tx_desc
->pkt_len
== 0)
1266 printk(KERN_ERR
"%s: txq[%d] len=%d head=%d tail=%d "
1267 "fw_owned=%d drv_owned=%d unused=%d\n",
1268 wiphy_name(hw
->wiphy
), i
,
1269 txq
->stats
.len
, txq
->head
, txq
->tail
,
1270 fw_owned
, drv_owned
, unused
);
1275 * Must be called with priv->fw_mutex held and tx queues stopped.
1277 #define MWL8K_TX_WAIT_TIMEOUT_MS 1000
1279 static int mwl8k_tx_wait_empty(struct ieee80211_hw
*hw
)
1281 struct mwl8k_priv
*priv
= hw
->priv
;
1282 DECLARE_COMPLETION_ONSTACK(tx_wait
);
1289 * The TX queues are stopped at this point, so this test
1290 * doesn't need to take ->tx_lock.
1292 if (!priv
->pending_tx_pkts
)
1298 spin_lock_bh(&priv
->tx_lock
);
1299 priv
->tx_wait
= &tx_wait
;
1302 unsigned long timeout
;
1304 oldcount
= priv
->pending_tx_pkts
;
1306 spin_unlock_bh(&priv
->tx_lock
);
1307 timeout
= wait_for_completion_timeout(&tx_wait
,
1308 msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS
));
1309 spin_lock_bh(&priv
->tx_lock
);
1312 WARN_ON(priv
->pending_tx_pkts
);
1314 printk(KERN_NOTICE
"%s: tx rings drained\n",
1315 wiphy_name(hw
->wiphy
));
1320 if (priv
->pending_tx_pkts
< oldcount
) {
1321 printk(KERN_NOTICE
"%s: timeout waiting for tx "
1322 "rings to drain (%d -> %d pkts), retrying\n",
1323 wiphy_name(hw
->wiphy
), oldcount
,
1324 priv
->pending_tx_pkts
);
1329 priv
->tx_wait
= NULL
;
1331 printk(KERN_ERR
"%s: tx rings stuck for %d ms\n",
1332 wiphy_name(hw
->wiphy
), MWL8K_TX_WAIT_TIMEOUT_MS
);
1333 mwl8k_dump_tx_rings(hw
);
1337 spin_unlock_bh(&priv
->tx_lock
);
1342 #define MWL8K_TXD_SUCCESS(status) \
1343 ((status) & (MWL8K_TXD_STATUS_OK | \
1344 MWL8K_TXD_STATUS_OK_RETRY | \
1345 MWL8K_TXD_STATUS_OK_MORE_RETRY))
1347 static void mwl8k_txq_reclaim(struct ieee80211_hw
*hw
, int index
, int force
)
1349 struct mwl8k_priv
*priv
= hw
->priv
;
1350 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1353 while (txq
->stats
.len
> 0) {
1355 struct mwl8k_tx_desc
*tx_desc
;
1358 struct sk_buff
*skb
;
1359 struct ieee80211_tx_info
*info
;
1363 tx_desc
= txq
->txd
+ tx
;
1365 status
= le32_to_cpu(tx_desc
->status
);
1367 if (status
& MWL8K_TXD_STATUS_FW_OWNED
) {
1371 ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
);
1374 txq
->head
= (tx
+ 1) % MWL8K_TX_DESCS
;
1375 BUG_ON(txq
->stats
.len
== 0);
1377 priv
->pending_tx_pkts
--;
1379 addr
= le32_to_cpu(tx_desc
->pkt_phys_addr
);
1380 size
= le16_to_cpu(tx_desc
->pkt_len
);
1382 txq
->skb
[tx
] = NULL
;
1384 BUG_ON(skb
== NULL
);
1385 pci_unmap_single(priv
->pdev
, addr
, size
, PCI_DMA_TODEVICE
);
1387 mwl8k_remove_dma_header(skb
, tx_desc
->qos_control
);
1389 /* Mark descriptor as unused */
1390 tx_desc
->pkt_phys_addr
= 0;
1391 tx_desc
->pkt_len
= 0;
1393 info
= IEEE80211_SKB_CB(skb
);
1394 ieee80211_tx_info_clear_status(info
);
1395 if (MWL8K_TXD_SUCCESS(status
))
1396 info
->flags
|= IEEE80211_TX_STAT_ACK
;
1398 ieee80211_tx_status_irqsafe(hw
, skb
);
1403 if (wake
&& priv
->radio_on
&& !mutex_is_locked(&priv
->fw_mutex
))
1404 ieee80211_wake_queue(hw
, index
);
1407 /* must be called only when the card's transmit is completely halted */
1408 static void mwl8k_txq_deinit(struct ieee80211_hw
*hw
, int index
)
1410 struct mwl8k_priv
*priv
= hw
->priv
;
1411 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1413 mwl8k_txq_reclaim(hw
, index
, 1);
1418 pci_free_consistent(priv
->pdev
,
1419 MWL8K_TX_DESCS
* sizeof(struct mwl8k_tx_desc
),
1420 txq
->txd
, txq
->txd_dma
);
1425 mwl8k_txq_xmit(struct ieee80211_hw
*hw
, int index
, struct sk_buff
*skb
)
1427 struct mwl8k_priv
*priv
= hw
->priv
;
1428 struct ieee80211_tx_info
*tx_info
;
1429 struct mwl8k_vif
*mwl8k_vif
;
1430 struct ieee80211_hdr
*wh
;
1431 struct mwl8k_tx_queue
*txq
;
1432 struct mwl8k_tx_desc
*tx
;
1438 wh
= (struct ieee80211_hdr
*)skb
->data
;
1439 if (ieee80211_is_data_qos(wh
->frame_control
))
1440 qos
= le16_to_cpu(*((__le16
*)ieee80211_get_qos_ctl(wh
)));
1444 mwl8k_add_dma_header(skb
);
1445 wh
= &((struct mwl8k_dma_data
*)skb
->data
)->wh
;
1447 tx_info
= IEEE80211_SKB_CB(skb
);
1448 mwl8k_vif
= MWL8K_VIF(tx_info
->control
.vif
);
1450 if (tx_info
->flags
& IEEE80211_TX_CTL_ASSIGN_SEQ
) {
1451 u16 seqno
= mwl8k_vif
->seqno
;
1453 wh
->seq_ctrl
&= cpu_to_le16(IEEE80211_SCTL_FRAG
);
1454 wh
->seq_ctrl
|= cpu_to_le16(seqno
<< 4);
1455 mwl8k_vif
->seqno
= seqno
++ % 4096;
1458 /* Setup firmware control bit fields for each frame type. */
1461 if (ieee80211_is_mgmt(wh
->frame_control
) ||
1462 ieee80211_is_ctl(wh
->frame_control
)) {
1464 qos
= mwl8k_qos_setbit_eosp(qos
);
1465 /* Set Queue size to unspecified */
1466 qos
= mwl8k_qos_setbit_qlen(qos
, 0xff);
1467 } else if (ieee80211_is_data(wh
->frame_control
)) {
1469 if (is_multicast_ether_addr(wh
->addr1
))
1470 txstatus
|= MWL8K_TXD_STATUS_MULTICAST_TX
;
1472 /* Send pkt in an aggregate if AMPDU frame. */
1473 if (tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
)
1474 qos
= mwl8k_qos_setbit_ack(qos
,
1475 MWL8K_TXD_ACK_POLICY_BLOCKACK
);
1477 qos
= mwl8k_qos_setbit_ack(qos
,
1478 MWL8K_TXD_ACK_POLICY_NORMAL
);
1480 if (qos
& IEEE80211_QOS_CONTROL_A_MSDU_PRESENT
)
1481 qos
= mwl8k_qos_setbit_amsdu(qos
);
1484 dma
= pci_map_single(priv
->pdev
, skb
->data
,
1485 skb
->len
, PCI_DMA_TODEVICE
);
1487 if (pci_dma_mapping_error(priv
->pdev
, dma
)) {
1488 printk(KERN_DEBUG
"%s: failed to dma map skb, "
1489 "dropping TX frame.\n", wiphy_name(hw
->wiphy
));
1491 return NETDEV_TX_OK
;
1494 spin_lock_bh(&priv
->tx_lock
);
1496 txq
= priv
->txq
+ index
;
1498 BUG_ON(txq
->skb
[txq
->tail
] != NULL
);
1499 txq
->skb
[txq
->tail
] = skb
;
1501 tx
= txq
->txd
+ txq
->tail
;
1502 tx
->data_rate
= txdatarate
;
1503 tx
->tx_priority
= index
;
1504 tx
->qos_control
= cpu_to_le16(qos
);
1505 tx
->pkt_phys_addr
= cpu_to_le32(dma
);
1506 tx
->pkt_len
= cpu_to_le16(skb
->len
);
1508 tx
->peer_id
= mwl8k_vif
->peer_id
;
1510 tx
->status
= cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
| txstatus
);
1514 priv
->pending_tx_pkts
++;
1517 if (txq
->tail
== MWL8K_TX_DESCS
)
1520 if (txq
->head
== txq
->tail
)
1521 ieee80211_stop_queue(hw
, index
);
1523 mwl8k_tx_start(priv
);
1525 spin_unlock_bh(&priv
->tx_lock
);
1527 return NETDEV_TX_OK
;
1534 * We have the following requirements for issuing firmware commands:
1535 * - Some commands require that the packet transmit path is idle when
1536 * the command is issued. (For simplicity, we'll just quiesce the
1537 * transmit path for every command.)
1538 * - There are certain sequences of commands that need to be issued to
1539 * the hardware sequentially, with no other intervening commands.
1541 * This leads to an implementation of a "firmware lock" as a mutex that
1542 * can be taken recursively, and which is taken by both the low-level
1543 * command submission function (mwl8k_post_cmd) as well as any users of
1544 * that function that require issuing of an atomic sequence of commands,
1545 * and quiesces the transmit path whenever it's taken.
1547 static int mwl8k_fw_lock(struct ieee80211_hw
*hw
)
1549 struct mwl8k_priv
*priv
= hw
->priv
;
1551 if (priv
->fw_mutex_owner
!= current
) {
1554 mutex_lock(&priv
->fw_mutex
);
1555 ieee80211_stop_queues(hw
);
1557 rc
= mwl8k_tx_wait_empty(hw
);
1559 ieee80211_wake_queues(hw
);
1560 mutex_unlock(&priv
->fw_mutex
);
1565 priv
->fw_mutex_owner
= current
;
1568 priv
->fw_mutex_depth
++;
1573 static void mwl8k_fw_unlock(struct ieee80211_hw
*hw
)
1575 struct mwl8k_priv
*priv
= hw
->priv
;
1577 if (!--priv
->fw_mutex_depth
) {
1578 ieee80211_wake_queues(hw
);
1579 priv
->fw_mutex_owner
= NULL
;
1580 mutex_unlock(&priv
->fw_mutex
);
1586 * Command processing.
1589 /* Timeout firmware commands after 10s */
1590 #define MWL8K_CMD_TIMEOUT_MS 10000
1592 static int mwl8k_post_cmd(struct ieee80211_hw
*hw
, struct mwl8k_cmd_pkt
*cmd
)
1594 DECLARE_COMPLETION_ONSTACK(cmd_wait
);
1595 struct mwl8k_priv
*priv
= hw
->priv
;
1596 void __iomem
*regs
= priv
->regs
;
1597 dma_addr_t dma_addr
;
1598 unsigned int dma_size
;
1600 unsigned long timeout
= 0;
1603 cmd
->result
= 0xffff;
1604 dma_size
= le16_to_cpu(cmd
->length
);
1605 dma_addr
= pci_map_single(priv
->pdev
, cmd
, dma_size
,
1606 PCI_DMA_BIDIRECTIONAL
);
1607 if (pci_dma_mapping_error(priv
->pdev
, dma_addr
))
1610 rc
= mwl8k_fw_lock(hw
);
1612 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1613 PCI_DMA_BIDIRECTIONAL
);
1617 priv
->hostcmd_wait
= &cmd_wait
;
1618 iowrite32(dma_addr
, regs
+ MWL8K_HIU_GEN_PTR
);
1619 iowrite32(MWL8K_H2A_INT_DOORBELL
,
1620 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1621 iowrite32(MWL8K_H2A_INT_DUMMY
,
1622 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1624 timeout
= wait_for_completion_timeout(&cmd_wait
,
1625 msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS
));
1627 priv
->hostcmd_wait
= NULL
;
1629 mwl8k_fw_unlock(hw
);
1631 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1632 PCI_DMA_BIDIRECTIONAL
);
1635 printk(KERN_ERR
"%s: Command %s timeout after %u ms\n",
1636 wiphy_name(hw
->wiphy
),
1637 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1638 MWL8K_CMD_TIMEOUT_MS
);
1643 ms
= MWL8K_CMD_TIMEOUT_MS
- jiffies_to_msecs(timeout
);
1645 rc
= cmd
->result
? -EINVAL
: 0;
1647 printk(KERN_ERR
"%s: Command %s error 0x%x\n",
1648 wiphy_name(hw
->wiphy
),
1649 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1650 le16_to_cpu(cmd
->result
));
1652 printk(KERN_NOTICE
"%s: Command %s took %d ms\n",
1653 wiphy_name(hw
->wiphy
),
1654 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1662 * CMD_GET_HW_SPEC (STA version).
1664 struct mwl8k_cmd_get_hw_spec_sta
{
1665 struct mwl8k_cmd_pkt header
;
1667 __u8 host_interface
;
1669 __u8 perm_addr
[ETH_ALEN
];
1674 __u8 mcs_bitmap
[16];
1675 __le32 rx_queue_ptr
;
1676 __le32 num_tx_queues
;
1677 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
1679 __le32 num_tx_desc_per_queue
;
1681 } __attribute__((packed
));
1683 static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw
*hw
)
1685 struct mwl8k_priv
*priv
= hw
->priv
;
1686 struct mwl8k_cmd_get_hw_spec_sta
*cmd
;
1690 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1694 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
1695 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1697 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
1698 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1699 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
1700 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
1701 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
1702 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
1703 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
1704 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
1706 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1709 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
1710 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
1711 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
1712 priv
->hw_rev
= cmd
->hw_rev
;
1720 * CMD_GET_HW_SPEC (AP version).
1722 struct mwl8k_cmd_get_hw_spec_ap
{
1723 struct mwl8k_cmd_pkt header
;
1725 __u8 host_interface
;
1728 __u8 perm_addr
[ETH_ALEN
];
1739 } __attribute__((packed
));
1741 static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw
*hw
)
1743 struct mwl8k_priv
*priv
= hw
->priv
;
1744 struct mwl8k_cmd_get_hw_spec_ap
*cmd
;
1747 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1751 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
1752 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1754 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
1755 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1757 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1762 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
1763 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
1764 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
1765 priv
->hw_rev
= cmd
->hw_rev
;
1767 off
= le32_to_cpu(cmd
->wcbbase0
) & 0xffff;
1768 iowrite32(cpu_to_le32(priv
->txq
[0].txd_dma
), priv
->sram
+ off
);
1770 off
= le32_to_cpu(cmd
->rxwrptr
) & 0xffff;
1771 iowrite32(cpu_to_le32(priv
->rxq
[0].rxd_dma
), priv
->sram
+ off
);
1773 off
= le32_to_cpu(cmd
->rxrdptr
) & 0xffff;
1774 iowrite32(cpu_to_le32(priv
->rxq
[0].rxd_dma
), priv
->sram
+ off
);
1776 off
= le32_to_cpu(cmd
->wcbbase1
) & 0xffff;
1777 iowrite32(cpu_to_le32(priv
->txq
[1].txd_dma
), priv
->sram
+ off
);
1779 off
= le32_to_cpu(cmd
->wcbbase2
) & 0xffff;
1780 iowrite32(cpu_to_le32(priv
->txq
[2].txd_dma
), priv
->sram
+ off
);
1782 off
= le32_to_cpu(cmd
->wcbbase3
) & 0xffff;
1783 iowrite32(cpu_to_le32(priv
->txq
[3].txd_dma
), priv
->sram
+ off
);
1793 struct mwl8k_cmd_set_hw_spec
{
1794 struct mwl8k_cmd_pkt header
;
1796 __u8 host_interface
;
1798 __u8 perm_addr
[ETH_ALEN
];
1803 __le32 rx_queue_ptr
;
1804 __le32 num_tx_queues
;
1805 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
1807 __le32 num_tx_desc_per_queue
;
1809 } __attribute__((packed
));
1811 #define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
1813 static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw
*hw
)
1815 struct mwl8k_priv
*priv
= hw
->priv
;
1816 struct mwl8k_cmd_set_hw_spec
*cmd
;
1820 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1824 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_HW_SPEC
);
1825 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1827 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1828 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
1829 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
1830 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
1831 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
1832 cmd
->flags
= cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT
);
1833 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
1834 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
1836 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1843 * CMD_MAC_MULTICAST_ADR.
1845 struct mwl8k_cmd_mac_multicast_adr
{
1846 struct mwl8k_cmd_pkt header
;
1849 __u8 addr
[0][ETH_ALEN
];
1852 #define MWL8K_ENABLE_RX_DIRECTED 0x0001
1853 #define MWL8K_ENABLE_RX_MULTICAST 0x0002
1854 #define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004
1855 #define MWL8K_ENABLE_RX_BROADCAST 0x0008
1857 static struct mwl8k_cmd_pkt
*
1858 __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw
*hw
, int allmulti
,
1859 int mc_count
, struct dev_addr_list
*mclist
)
1861 struct mwl8k_priv
*priv
= hw
->priv
;
1862 struct mwl8k_cmd_mac_multicast_adr
*cmd
;
1865 if (allmulti
|| mc_count
> priv
->num_mcaddrs
) {
1870 size
= sizeof(*cmd
) + mc_count
* ETH_ALEN
;
1872 cmd
= kzalloc(size
, GFP_ATOMIC
);
1876 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR
);
1877 cmd
->header
.length
= cpu_to_le16(size
);
1878 cmd
->action
= cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED
|
1879 MWL8K_ENABLE_RX_BROADCAST
);
1882 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST
);
1883 } else if (mc_count
) {
1886 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST
);
1887 cmd
->numaddr
= cpu_to_le16(mc_count
);
1888 for (i
= 0; i
< mc_count
&& mclist
; i
++) {
1889 if (mclist
->da_addrlen
!= ETH_ALEN
) {
1893 memcpy(cmd
->addr
[i
], mclist
->da_addr
, ETH_ALEN
);
1894 mclist
= mclist
->next
;
1898 return &cmd
->header
;
1902 * CMD_802_11_GET_STAT.
1904 struct mwl8k_cmd_802_11_get_stat
{
1905 struct mwl8k_cmd_pkt header
;
1907 } __attribute__((packed
));
1909 #define MWL8K_STAT_ACK_FAILURE 9
1910 #define MWL8K_STAT_RTS_FAILURE 12
1911 #define MWL8K_STAT_FCS_ERROR 24
1912 #define MWL8K_STAT_RTS_SUCCESS 11
1914 static int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw
*hw
,
1915 struct ieee80211_low_level_stats
*stats
)
1917 struct mwl8k_cmd_802_11_get_stat
*cmd
;
1920 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1924 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_STAT
);
1925 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1927 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1929 stats
->dot11ACKFailureCount
=
1930 le32_to_cpu(cmd
->stats
[MWL8K_STAT_ACK_FAILURE
]);
1931 stats
->dot11RTSFailureCount
=
1932 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_FAILURE
]);
1933 stats
->dot11FCSErrorCount
=
1934 le32_to_cpu(cmd
->stats
[MWL8K_STAT_FCS_ERROR
]);
1935 stats
->dot11RTSSuccessCount
=
1936 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_SUCCESS
]);
1944 * CMD_802_11_RADIO_CONTROL.
1946 struct mwl8k_cmd_802_11_radio_control
{
1947 struct mwl8k_cmd_pkt header
;
1951 } __attribute__((packed
));
1954 mwl8k_cmd_802_11_radio_control(struct ieee80211_hw
*hw
, bool enable
, bool force
)
1956 struct mwl8k_priv
*priv
= hw
->priv
;
1957 struct mwl8k_cmd_802_11_radio_control
*cmd
;
1960 if (enable
== priv
->radio_on
&& !force
)
1963 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1967 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RADIO_CONTROL
);
1968 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1969 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
1970 cmd
->control
= cpu_to_le16(priv
->radio_short_preamble
? 3 : 1);
1971 cmd
->radio_on
= cpu_to_le16(enable
? 0x0001 : 0x0000);
1973 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1977 priv
->radio_on
= enable
;
1982 static int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw
*hw
)
1984 return mwl8k_cmd_802_11_radio_control(hw
, 0, 0);
1987 static int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw
*hw
)
1989 return mwl8k_cmd_802_11_radio_control(hw
, 1, 0);
1993 mwl8k_set_radio_preamble(struct ieee80211_hw
*hw
, bool short_preamble
)
1995 struct mwl8k_priv
*priv
;
1997 if (hw
== NULL
|| hw
->priv
== NULL
)
2001 priv
->radio_short_preamble
= short_preamble
;
2003 return mwl8k_cmd_802_11_radio_control(hw
, 1, 1);
2007 * CMD_802_11_RF_TX_POWER.
2009 #define MWL8K_TX_POWER_LEVEL_TOTAL 8
2011 struct mwl8k_cmd_802_11_rf_tx_power
{
2012 struct mwl8k_cmd_pkt header
;
2014 __le16 support_level
;
2015 __le16 current_level
;
2017 __le16 power_level_list
[MWL8K_TX_POWER_LEVEL_TOTAL
];
2018 } __attribute__((packed
));
2020 static int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw
*hw
, int dBm
)
2022 struct mwl8k_cmd_802_11_rf_tx_power
*cmd
;
2025 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2029 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_TX_POWER
);
2030 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2031 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2032 cmd
->support_level
= cpu_to_le16(dBm
);
2034 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2043 struct mwl8k_cmd_rf_antenna
{
2044 struct mwl8k_cmd_pkt header
;
2047 } __attribute__((packed
));
2049 #define MWL8K_RF_ANTENNA_RX 1
2050 #define MWL8K_RF_ANTENNA_TX 2
2053 mwl8k_cmd_rf_antenna(struct ieee80211_hw
*hw
, int antenna
, int mask
)
2055 struct mwl8k_cmd_rf_antenna
*cmd
;
2058 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2062 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_ANTENNA
);
2063 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2064 cmd
->antenna
= cpu_to_le16(antenna
);
2065 cmd
->mode
= cpu_to_le16(mask
);
2067 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2076 struct mwl8k_cmd_set_pre_scan
{
2077 struct mwl8k_cmd_pkt header
;
2078 } __attribute__((packed
));
2080 static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw
*hw
)
2082 struct mwl8k_cmd_set_pre_scan
*cmd
;
2085 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2089 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN
);
2090 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2092 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2099 * CMD_SET_POST_SCAN.
2101 struct mwl8k_cmd_set_post_scan
{
2102 struct mwl8k_cmd_pkt header
;
2104 __u8 bssid
[ETH_ALEN
];
2105 } __attribute__((packed
));
2108 mwl8k_cmd_set_post_scan(struct ieee80211_hw
*hw
, __u8
*mac
)
2110 struct mwl8k_cmd_set_post_scan
*cmd
;
2113 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2117 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_POST_SCAN
);
2118 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2120 memcpy(cmd
->bssid
, mac
, ETH_ALEN
);
2122 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2129 * CMD_SET_RF_CHANNEL.
2131 struct mwl8k_cmd_set_rf_channel
{
2132 struct mwl8k_cmd_pkt header
;
2134 __u8 current_channel
;
2135 __le32 channel_flags
;
2136 } __attribute__((packed
));
2138 static int mwl8k_cmd_set_rf_channel(struct ieee80211_hw
*hw
,
2139 struct ieee80211_channel
*channel
)
2141 struct mwl8k_cmd_set_rf_channel
*cmd
;
2144 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2148 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL
);
2149 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2150 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2151 cmd
->current_channel
= channel
->hw_value
;
2152 if (channel
->band
== IEEE80211_BAND_2GHZ
)
2153 cmd
->channel_flags
= cpu_to_le32(0x00000081);
2155 cmd
->channel_flags
= cpu_to_le32(0x00000000);
2157 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2166 struct mwl8k_cmd_set_slot
{
2167 struct mwl8k_cmd_pkt header
;
2170 } __attribute__((packed
));
2172 static int mwl8k_cmd_set_slot(struct ieee80211_hw
*hw
, bool short_slot_time
)
2174 struct mwl8k_cmd_set_slot
*cmd
;
2177 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2181 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_SLOT
);
2182 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2183 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2184 cmd
->short_slot
= short_slot_time
;
2186 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2195 struct mwl8k_cmd_mimo_config
{
2196 struct mwl8k_cmd_pkt header
;
2198 __u8 rx_antenna_map
;
2199 __u8 tx_antenna_map
;
2200 } __attribute__((packed
));
2202 static int mwl8k_cmd_mimo_config(struct ieee80211_hw
*hw
, __u8 rx
, __u8 tx
)
2204 struct mwl8k_cmd_mimo_config
*cmd
;
2207 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2211 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MIMO_CONFIG
);
2212 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2213 cmd
->action
= cpu_to_le32((u32
)MWL8K_CMD_SET
);
2214 cmd
->rx_antenna_map
= rx
;
2215 cmd
->tx_antenna_map
= tx
;
2217 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2224 * CMD_ENABLE_SNIFFER.
2226 struct mwl8k_cmd_enable_sniffer
{
2227 struct mwl8k_cmd_pkt header
;
2229 } __attribute__((packed
));
2231 static int mwl8k_enable_sniffer(struct ieee80211_hw
*hw
, bool enable
)
2233 struct mwl8k_cmd_enable_sniffer
*cmd
;
2236 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2240 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER
);
2241 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2242 cmd
->action
= cpu_to_le32(!!enable
);
2244 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2253 struct mwl8k_cmd_set_mac_addr
{
2254 struct mwl8k_cmd_pkt header
;
2258 __u8 mac_addr
[ETH_ALEN
];
2260 __u8 mac_addr
[ETH_ALEN
];
2262 } __attribute__((packed
));
2264 static int mwl8k_set_mac_addr(struct ieee80211_hw
*hw
, u8
*mac
)
2266 struct mwl8k_priv
*priv
= hw
->priv
;
2267 struct mwl8k_cmd_set_mac_addr
*cmd
;
2270 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2274 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR
);
2275 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2277 cmd
->mbss
.mac_type
= 0;
2278 memcpy(cmd
->mbss
.mac_addr
, mac
, ETH_ALEN
);
2280 memcpy(cmd
->mac_addr
, mac
, ETH_ALEN
);
2283 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2291 * CMD_SET_RATEADAPT_MODE.
2293 struct mwl8k_cmd_set_rate_adapt_mode
{
2294 struct mwl8k_cmd_pkt header
;
2297 } __attribute__((packed
));
2299 static int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw
*hw
, __u16 mode
)
2301 struct mwl8k_cmd_set_rate_adapt_mode
*cmd
;
2304 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2308 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE
);
2309 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2310 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2311 cmd
->mode
= cpu_to_le16(mode
);
2313 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2322 struct mwl8k_cmd_set_wmm
{
2323 struct mwl8k_cmd_pkt header
;
2325 } __attribute__((packed
));
2327 static int mwl8k_set_wmm(struct ieee80211_hw
*hw
, bool enable
)
2329 struct mwl8k_priv
*priv
= hw
->priv
;
2330 struct mwl8k_cmd_set_wmm
*cmd
;
2333 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2337 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_WMM_MODE
);
2338 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2339 cmd
->action
= cpu_to_le16(!!enable
);
2341 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2345 priv
->wmm_enabled
= enable
;
2351 * CMD_SET_RTS_THRESHOLD.
2353 struct mwl8k_cmd_rts_threshold
{
2354 struct mwl8k_cmd_pkt header
;
2357 } __attribute__((packed
));
2359 static int mwl8k_rts_threshold(struct ieee80211_hw
*hw
,
2360 u16 action
, u16 threshold
)
2362 struct mwl8k_cmd_rts_threshold
*cmd
;
2365 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2369 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD
);
2370 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2371 cmd
->action
= cpu_to_le16(action
);
2372 cmd
->threshold
= cpu_to_le16(threshold
);
2374 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2381 * CMD_SET_EDCA_PARAMS.
2383 struct mwl8k_cmd_set_edca_params
{
2384 struct mwl8k_cmd_pkt header
;
2386 /* See MWL8K_SET_EDCA_XXX below */
2389 /* TX opportunity in units of 32 us */
2394 /* Log exponent of max contention period: 0...15 */
2397 /* Log exponent of min contention period: 0...15 */
2400 /* Adaptive interframe spacing in units of 32us */
2403 /* TX queue to configure */
2407 /* Log exponent of max contention period: 0...15 */
2410 /* Log exponent of min contention period: 0...15 */
2413 /* Adaptive interframe spacing in units of 32us */
2416 /* TX queue to configure */
2420 } __attribute__((packed
));
2422 #define MWL8K_SET_EDCA_CW 0x01
2423 #define MWL8K_SET_EDCA_TXOP 0x02
2424 #define MWL8K_SET_EDCA_AIFS 0x04
2426 #define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \
2427 MWL8K_SET_EDCA_TXOP | \
2428 MWL8K_SET_EDCA_AIFS)
2431 mwl8k_set_edca_params(struct ieee80211_hw
*hw
, __u8 qnum
,
2432 __u16 cw_min
, __u16 cw_max
,
2433 __u8 aifs
, __u16 txop
)
2435 struct mwl8k_priv
*priv
= hw
->priv
;
2436 struct mwl8k_cmd_set_edca_params
*cmd
;
2439 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2444 * Queues 0 (BE) and 1 (BK) are swapped in hardware for
2447 qnum
^= !(qnum
>> 1);
2449 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS
);
2450 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2451 cmd
->action
= cpu_to_le16(MWL8K_SET_EDCA_ALL
);
2452 cmd
->txop
= cpu_to_le16(txop
);
2454 cmd
->ap
.log_cw_max
= cpu_to_le32(ilog2(cw_max
+ 1));
2455 cmd
->ap
.log_cw_min
= cpu_to_le32(ilog2(cw_min
+ 1));
2456 cmd
->ap
.aifs
= aifs
;
2459 cmd
->sta
.log_cw_max
= (u8
)ilog2(cw_max
+ 1);
2460 cmd
->sta
.log_cw_min
= (u8
)ilog2(cw_min
+ 1);
2461 cmd
->sta
.aifs
= aifs
;
2462 cmd
->sta
.txq
= qnum
;
2465 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2472 * CMD_FINALIZE_JOIN.
2475 /* FJ beacon buffer size is compiled into the firmware. */
2476 #define MWL8K_FJ_BEACON_MAXLEN 128
2478 struct mwl8k_cmd_finalize_join
{
2479 struct mwl8k_cmd_pkt header
;
2480 __le32 sleep_interval
; /* Number of beacon periods to sleep */
2481 __u8 beacon_data
[MWL8K_FJ_BEACON_MAXLEN
];
2482 } __attribute__((packed
));
2484 static int mwl8k_finalize_join(struct ieee80211_hw
*hw
, void *frame
,
2485 __u16 framelen
, __u16 dtim
)
2487 struct mwl8k_cmd_finalize_join
*cmd
;
2488 struct ieee80211_mgmt
*payload
= frame
;
2496 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2500 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN
);
2501 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2502 cmd
->sleep_interval
= cpu_to_le32(dtim
? dtim
: 1);
2504 hdrlen
= ieee80211_hdrlen(payload
->frame_control
);
2506 payload_len
= framelen
> hdrlen
? framelen
- hdrlen
: 0;
2508 /* XXX TBD Might just have to abort and return an error */
2509 if (payload_len
> MWL8K_FJ_BEACON_MAXLEN
)
2510 printk(KERN_ERR
"%s(): WARNING: Incomplete beacon "
2511 "sent to firmware. Sz=%u MAX=%u\n", __func__
,
2512 payload_len
, MWL8K_FJ_BEACON_MAXLEN
);
2514 if (payload_len
> MWL8K_FJ_BEACON_MAXLEN
)
2515 payload_len
= MWL8K_FJ_BEACON_MAXLEN
;
2517 if (payload
&& payload_len
)
2518 memcpy(cmd
->beacon_data
, &payload
->u
.beacon
, payload_len
);
2520 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2528 struct mwl8k_cmd_update_sta_db
{
2529 struct mwl8k_cmd_pkt header
;
2531 /* See STADB_ACTION_TYPE */
2534 /* Peer MAC address */
2535 __u8 peer_addr
[ETH_ALEN
];
2539 /* Peer info - valid during add/update. */
2540 struct peer_capability_info peer_info
;
2541 } __attribute__((packed
));
2543 static int mwl8k_cmd_update_sta_db(struct ieee80211_hw
*hw
,
2544 struct ieee80211_vif
*vif
, __u32 action
)
2546 struct mwl8k_vif
*mv_vif
= MWL8K_VIF(vif
);
2547 struct ieee80211_bss_conf
*info
= &mv_vif
->bss_info
;
2548 struct mwl8k_cmd_update_sta_db
*cmd
;
2549 struct peer_capability_info
*peer_info
;
2552 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2556 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_STADB
);
2557 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2559 cmd
->action
= cpu_to_le32(action
);
2560 peer_info
= &cmd
->peer_info
;
2561 memcpy(cmd
->peer_addr
, mv_vif
->bssid
, ETH_ALEN
);
2564 case MWL8K_STA_DB_ADD_ENTRY
:
2565 case MWL8K_STA_DB_MODIFY_ENTRY
:
2566 /* Build peer_info block */
2567 peer_info
->peer_type
= MWL8K_PEER_TYPE_ACCESSPOINT
;
2568 peer_info
->basic_caps
= cpu_to_le16(info
->assoc_capability
);
2569 memcpy(peer_info
->legacy_rates
, mwl8k_rateids
,
2570 sizeof(mwl8k_rateids
));
2571 peer_info
->interop
= 1;
2572 peer_info
->amsdu_enabled
= 0;
2574 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2576 mv_vif
->peer_id
= peer_info
->station_id
;
2580 case MWL8K_STA_DB_DEL_ENTRY
:
2581 case MWL8K_STA_DB_FLUSH
:
2583 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2585 mv_vif
->peer_id
= 0;
2596 #define MWL8K_FRAME_PROT_DISABLED 0x00
2597 #define MWL8K_FRAME_PROT_11G 0x07
2598 #define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02
2599 #define MWL8K_FRAME_PROT_11N_HT_ALL 0x06
2601 struct mwl8k_cmd_update_set_aid
{
2602 struct mwl8k_cmd_pkt header
;
2605 /* AP's MAC address (BSSID) */
2606 __u8 bssid
[ETH_ALEN
];
2607 __le16 protection_mode
;
2608 __u8 supp_rates
[14];
2609 } __attribute__((packed
));
2611 static int mwl8k_cmd_set_aid(struct ieee80211_hw
*hw
,
2612 struct ieee80211_vif
*vif
)
2614 struct mwl8k_vif
*mv_vif
= MWL8K_VIF(vif
);
2615 struct ieee80211_bss_conf
*info
= &mv_vif
->bss_info
;
2616 struct mwl8k_cmd_update_set_aid
*cmd
;
2620 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2624 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_AID
);
2625 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2626 cmd
->aid
= cpu_to_le16(info
->aid
);
2628 memcpy(cmd
->bssid
, mv_vif
->bssid
, ETH_ALEN
);
2630 if (info
->use_cts_prot
) {
2631 prot_mode
= MWL8K_FRAME_PROT_11G
;
2633 switch (info
->ht_operation_mode
&
2634 IEEE80211_HT_OP_MODE_PROTECTION
) {
2635 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
2636 prot_mode
= MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY
;
2638 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
2639 prot_mode
= MWL8K_FRAME_PROT_11N_HT_ALL
;
2642 prot_mode
= MWL8K_FRAME_PROT_DISABLED
;
2646 cmd
->protection_mode
= cpu_to_le16(prot_mode
);
2648 memcpy(cmd
->supp_rates
, mwl8k_rateids
, sizeof(mwl8k_rateids
));
2650 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2659 struct mwl8k_cmd_update_rateset
{
2660 struct mwl8k_cmd_pkt header
;
2661 __u8 legacy_rates
[14];
2663 /* Bitmap for supported MCS codes. */
2666 } __attribute__((packed
));
2668 static int mwl8k_update_rateset(struct ieee80211_hw
*hw
,
2669 struct ieee80211_vif
*vif
)
2671 struct mwl8k_cmd_update_rateset
*cmd
;
2674 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2678 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATE
);
2679 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2680 memcpy(cmd
->legacy_rates
, mwl8k_rateids
, sizeof(mwl8k_rateids
));
2682 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2689 * CMD_USE_FIXED_RATE.
2691 #define MWL8K_RATE_TABLE_SIZE 8
2692 #define MWL8K_UCAST_RATE 0
2693 #define MWL8K_USE_AUTO_RATE 0x0002
2695 struct mwl8k_rate_entry
{
2696 /* Set to 1 if HT rate, 0 if legacy. */
2699 /* Set to 1 to use retry_count field. */
2700 __le32 enable_retry
;
2702 /* Specified legacy rate or MCS. */
2705 /* Number of allowed retries. */
2707 } __attribute__((packed
));
2709 struct mwl8k_rate_table
{
2710 /* 1 to allow specified rate and below */
2711 __le32 allow_rate_drop
;
2713 struct mwl8k_rate_entry rate_entry
[MWL8K_RATE_TABLE_SIZE
];
2714 } __attribute__((packed
));
2716 struct mwl8k_cmd_use_fixed_rate
{
2717 struct mwl8k_cmd_pkt header
;
2719 struct mwl8k_rate_table rate_table
;
2721 /* Unicast, Broadcast or Multicast */
2725 } __attribute__((packed
));
2727 static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw
*hw
,
2728 u32 action
, u32 rate_type
, struct mwl8k_rate_table
*rate_table
)
2730 struct mwl8k_cmd_use_fixed_rate
*cmd
;
2734 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2738 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE
);
2739 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2741 cmd
->action
= cpu_to_le32(action
);
2742 cmd
->rate_type
= cpu_to_le32(rate_type
);
2744 if (rate_table
!= NULL
) {
2746 * Copy over each field manually so that endian
2747 * conversion can be done.
2749 cmd
->rate_table
.allow_rate_drop
=
2750 cpu_to_le32(rate_table
->allow_rate_drop
);
2751 cmd
->rate_table
.num_rates
=
2752 cpu_to_le32(rate_table
->num_rates
);
2754 for (count
= 0; count
< rate_table
->num_rates
; count
++) {
2755 struct mwl8k_rate_entry
*dst
=
2756 &cmd
->rate_table
.rate_entry
[count
];
2757 struct mwl8k_rate_entry
*src
=
2758 &rate_table
->rate_entry
[count
];
2760 dst
->is_ht_rate
= cpu_to_le32(src
->is_ht_rate
);
2761 dst
->enable_retry
= cpu_to_le32(src
->enable_retry
);
2762 dst
->rate
= cpu_to_le32(src
->rate
);
2763 dst
->retry_count
= cpu_to_le32(src
->retry_count
);
2767 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2775 * Interrupt handling.
2777 static irqreturn_t
mwl8k_interrupt(int irq
, void *dev_id
)
2779 struct ieee80211_hw
*hw
= dev_id
;
2780 struct mwl8k_priv
*priv
= hw
->priv
;
2783 status
= ioread32(priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
2784 iowrite32(~status
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
2789 if (status
& MWL8K_A2H_INT_TX_DONE
)
2790 tasklet_schedule(&priv
->tx_reclaim_task
);
2792 if (status
& MWL8K_A2H_INT_RX_READY
) {
2793 while (rxq_process(hw
, 0, 1))
2794 rxq_refill(hw
, 0, 1);
2797 if (status
& MWL8K_A2H_INT_OPC_DONE
) {
2798 if (priv
->hostcmd_wait
!= NULL
)
2799 complete(priv
->hostcmd_wait
);
2802 if (status
& MWL8K_A2H_INT_QUEUE_EMPTY
) {
2803 if (!mutex_is_locked(&priv
->fw_mutex
) &&
2804 priv
->radio_on
&& priv
->pending_tx_pkts
)
2805 mwl8k_tx_start(priv
);
2813 * Core driver operations.
2815 static int mwl8k_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
2817 struct mwl8k_priv
*priv
= hw
->priv
;
2818 int index
= skb_get_queue_mapping(skb
);
2821 if (priv
->current_channel
== NULL
) {
2822 printk(KERN_DEBUG
"%s: dropped TX frame since radio "
2823 "disabled\n", wiphy_name(hw
->wiphy
));
2825 return NETDEV_TX_OK
;
2828 rc
= mwl8k_txq_xmit(hw
, index
, skb
);
2833 static int mwl8k_start(struct ieee80211_hw
*hw
)
2835 struct mwl8k_priv
*priv
= hw
->priv
;
2838 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
2839 IRQF_SHARED
, MWL8K_NAME
, hw
);
2841 printk(KERN_ERR
"%s: failed to register IRQ handler\n",
2842 wiphy_name(hw
->wiphy
));
2846 /* Enable tx reclaim tasklet */
2847 tasklet_enable(&priv
->tx_reclaim_task
);
2849 /* Enable interrupts */
2850 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2852 rc
= mwl8k_fw_lock(hw
);
2854 rc
= mwl8k_cmd_802_11_radio_enable(hw
);
2858 rc
= mwl8k_enable_sniffer(hw
, 0);
2861 rc
= mwl8k_cmd_set_pre_scan(hw
);
2864 rc
= mwl8k_cmd_set_post_scan(hw
,
2865 "\x00\x00\x00\x00\x00\x00");
2869 rc
= mwl8k_cmd_setrateadaptmode(hw
, 0);
2872 rc
= mwl8k_set_wmm(hw
, 0);
2874 mwl8k_fw_unlock(hw
);
2878 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2879 free_irq(priv
->pdev
->irq
, hw
);
2880 tasklet_disable(&priv
->tx_reclaim_task
);
2886 static void mwl8k_stop(struct ieee80211_hw
*hw
)
2888 struct mwl8k_priv
*priv
= hw
->priv
;
2891 mwl8k_cmd_802_11_radio_disable(hw
);
2893 ieee80211_stop_queues(hw
);
2895 /* Disable interrupts */
2896 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2897 free_irq(priv
->pdev
->irq
, hw
);
2899 /* Stop finalize join worker */
2900 cancel_work_sync(&priv
->finalize_join_worker
);
2901 if (priv
->beacon_skb
!= NULL
)
2902 dev_kfree_skb(priv
->beacon_skb
);
2904 /* Stop tx reclaim tasklet */
2905 tasklet_disable(&priv
->tx_reclaim_task
);
2907 /* Return all skbs to mac80211 */
2908 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
2909 mwl8k_txq_reclaim(hw
, i
, 1);
2912 static int mwl8k_add_interface(struct ieee80211_hw
*hw
,
2913 struct ieee80211_if_init_conf
*conf
)
2915 struct mwl8k_priv
*priv
= hw
->priv
;
2916 struct mwl8k_vif
*mwl8k_vif
;
2919 * We only support one active interface at a time.
2921 if (priv
->vif
!= NULL
)
2925 * We only support managed interfaces for now.
2927 if (conf
->type
!= NL80211_IFTYPE_STATION
)
2931 * Reject interface creation if sniffer mode is active, as
2932 * STA operation is mutually exclusive with hardware sniffer
2935 if (priv
->sniffer_enabled
) {
2936 printk(KERN_INFO
"%s: unable to create STA "
2937 "interface due to sniffer mode being enabled\n",
2938 wiphy_name(hw
->wiphy
));
2942 /* Clean out driver private area */
2943 mwl8k_vif
= MWL8K_VIF(conf
->vif
);
2944 memset(mwl8k_vif
, 0, sizeof(*mwl8k_vif
));
2946 /* Set and save the mac address */
2947 mwl8k_set_mac_addr(hw
, conf
->mac_addr
);
2948 memcpy(mwl8k_vif
->mac_addr
, conf
->mac_addr
, ETH_ALEN
);
2950 /* Back pointer to parent config block */
2951 mwl8k_vif
->priv
= priv
;
2953 /* Set Initial sequence number to zero */
2954 mwl8k_vif
->seqno
= 0;
2956 priv
->vif
= conf
->vif
;
2957 priv
->current_channel
= NULL
;
2962 static void mwl8k_remove_interface(struct ieee80211_hw
*hw
,
2963 struct ieee80211_if_init_conf
*conf
)
2965 struct mwl8k_priv
*priv
= hw
->priv
;
2967 if (priv
->vif
== NULL
)
2970 mwl8k_set_mac_addr(hw
, "\x00\x00\x00\x00\x00\x00");
2975 static int mwl8k_config(struct ieee80211_hw
*hw
, u32 changed
)
2977 struct ieee80211_conf
*conf
= &hw
->conf
;
2978 struct mwl8k_priv
*priv
= hw
->priv
;
2981 if (conf
->flags
& IEEE80211_CONF_IDLE
) {
2982 mwl8k_cmd_802_11_radio_disable(hw
);
2983 priv
->current_channel
= NULL
;
2987 rc
= mwl8k_fw_lock(hw
);
2991 rc
= mwl8k_cmd_802_11_radio_enable(hw
);
2995 rc
= mwl8k_cmd_set_rf_channel(hw
, conf
->channel
);
2999 priv
->current_channel
= conf
->channel
;
3001 if (conf
->power_level
> 18)
3002 conf
->power_level
= 18;
3003 rc
= mwl8k_cmd_802_11_rf_tx_power(hw
, conf
->power_level
);
3008 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_RX
, 0x7);
3010 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_TX
, 0x7);
3012 rc
= mwl8k_cmd_mimo_config(hw
, 0x7, 0x7);
3016 mwl8k_fw_unlock(hw
);
3021 static void mwl8k_bss_info_changed(struct ieee80211_hw
*hw
,
3022 struct ieee80211_vif
*vif
,
3023 struct ieee80211_bss_conf
*info
,
3026 struct mwl8k_priv
*priv
= hw
->priv
;
3027 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3030 if (changed
& BSS_CHANGED_BSSID
)
3031 memcpy(mwl8k_vif
->bssid
, info
->bssid
, ETH_ALEN
);
3033 if ((changed
& BSS_CHANGED_ASSOC
) == 0)
3036 priv
->capture_beacon
= false;
3038 rc
= mwl8k_fw_lock(hw
);
3043 memcpy(&mwl8k_vif
->bss_info
, info
,
3044 sizeof(struct ieee80211_bss_conf
));
3047 rc
= mwl8k_update_rateset(hw
, vif
);
3051 /* Turn on rate adaptation */
3052 rc
= mwl8k_cmd_use_fixed_rate(hw
, MWL8K_USE_AUTO_RATE
,
3053 MWL8K_UCAST_RATE
, NULL
);
3057 /* Set radio preamble */
3058 rc
= mwl8k_set_radio_preamble(hw
, info
->use_short_preamble
);
3063 rc
= mwl8k_cmd_set_slot(hw
, info
->use_short_slot
);
3067 /* Update peer rate info */
3068 rc
= mwl8k_cmd_update_sta_db(hw
, vif
,
3069 MWL8K_STA_DB_MODIFY_ENTRY
);
3074 rc
= mwl8k_cmd_set_aid(hw
, vif
);
3079 * Finalize the join. Tell rx handler to process
3080 * next beacon from our BSSID.
3082 memcpy(priv
->capture_bssid
, mwl8k_vif
->bssid
, ETH_ALEN
);
3083 priv
->capture_beacon
= true;
3085 rc
= mwl8k_cmd_update_sta_db(hw
, vif
, MWL8K_STA_DB_DEL_ENTRY
);
3086 memset(&mwl8k_vif
->bss_info
, 0,
3087 sizeof(struct ieee80211_bss_conf
));
3088 memset(mwl8k_vif
->bssid
, 0, ETH_ALEN
);
3092 mwl8k_fw_unlock(hw
);
3095 static u64
mwl8k_prepare_multicast(struct ieee80211_hw
*hw
,
3096 int mc_count
, struct dev_addr_list
*mclist
)
3098 struct mwl8k_cmd_pkt
*cmd
;
3101 * Synthesize and return a command packet that programs the
3102 * hardware multicast address filter. At this point we don't
3103 * know whether FIF_ALLMULTI is being requested, but if it is,
3104 * we'll end up throwing this packet away and creating a new
3105 * one in mwl8k_configure_filter().
3107 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 0, mc_count
, mclist
);
3109 return (unsigned long)cmd
;
3113 mwl8k_configure_filter_sniffer(struct ieee80211_hw
*hw
,
3114 unsigned int changed_flags
,
3115 unsigned int *total_flags
)
3117 struct mwl8k_priv
*priv
= hw
->priv
;
3120 * Hardware sniffer mode is mutually exclusive with STA
3121 * operation, so refuse to enable sniffer mode if a STA
3122 * interface is active.
3124 if (priv
->vif
!= NULL
) {
3125 if (net_ratelimit())
3126 printk(KERN_INFO
"%s: not enabling sniffer "
3127 "mode because STA interface is active\n",
3128 wiphy_name(hw
->wiphy
));
3132 if (!priv
->sniffer_enabled
) {
3133 if (mwl8k_enable_sniffer(hw
, 1))
3135 priv
->sniffer_enabled
= true;
3138 *total_flags
&= FIF_PROMISC_IN_BSS
| FIF_ALLMULTI
|
3139 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
|
3145 static void mwl8k_configure_filter(struct ieee80211_hw
*hw
,
3146 unsigned int changed_flags
,
3147 unsigned int *total_flags
,
3150 struct mwl8k_priv
*priv
= hw
->priv
;
3151 struct mwl8k_cmd_pkt
*cmd
= (void *)(unsigned long)multicast
;
3154 * AP firmware doesn't allow fine-grained control over
3155 * the receive filter.
3158 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
3164 * Enable hardware sniffer mode if FIF_CONTROL or
3165 * FIF_OTHER_BSS is requested.
3167 if (*total_flags
& (FIF_CONTROL
| FIF_OTHER_BSS
) &&
3168 mwl8k_configure_filter_sniffer(hw
, changed_flags
, total_flags
)) {
3173 /* Clear unsupported feature flags */
3174 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
3176 if (mwl8k_fw_lock(hw
))
3179 if (priv
->sniffer_enabled
) {
3180 mwl8k_enable_sniffer(hw
, 0);
3181 priv
->sniffer_enabled
= false;
3184 if (changed_flags
& FIF_BCN_PRBRESP_PROMISC
) {
3185 if (*total_flags
& FIF_BCN_PRBRESP_PROMISC
) {
3187 * Disable the BSS filter.
3189 mwl8k_cmd_set_pre_scan(hw
);
3194 * Enable the BSS filter.
3196 * If there is an active STA interface, use that
3197 * interface's BSSID, otherwise use a dummy one
3198 * (where the OUI part needs to be nonzero for
3199 * the BSSID to be accepted by POST_SCAN).
3201 bssid
= "\x01\x00\x00\x00\x00\x00";
3202 if (priv
->vif
!= NULL
)
3203 bssid
= MWL8K_VIF(priv
->vif
)->bssid
;
3205 mwl8k_cmd_set_post_scan(hw
, bssid
);
3210 * If FIF_ALLMULTI is being requested, throw away the command
3211 * packet that ->prepare_multicast() built and replace it with
3212 * a command packet that enables reception of all multicast
3215 if (*total_flags
& FIF_ALLMULTI
) {
3217 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 1, 0, NULL
);
3221 mwl8k_post_cmd(hw
, cmd
);
3225 mwl8k_fw_unlock(hw
);
3228 static int mwl8k_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
3230 return mwl8k_rts_threshold(hw
, MWL8K_CMD_SET
, value
);
3233 static int mwl8k_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
3234 const struct ieee80211_tx_queue_params
*params
)
3236 struct mwl8k_priv
*priv
= hw
->priv
;
3239 rc
= mwl8k_fw_lock(hw
);
3241 if (!priv
->wmm_enabled
)
3242 rc
= mwl8k_set_wmm(hw
, 1);
3245 rc
= mwl8k_set_edca_params(hw
, queue
,
3251 mwl8k_fw_unlock(hw
);
3257 static int mwl8k_get_tx_stats(struct ieee80211_hw
*hw
,
3258 struct ieee80211_tx_queue_stats
*stats
)
3260 struct mwl8k_priv
*priv
= hw
->priv
;
3261 struct mwl8k_tx_queue
*txq
;
3264 spin_lock_bh(&priv
->tx_lock
);
3265 for (index
= 0; index
< MWL8K_TX_QUEUES
; index
++) {
3266 txq
= priv
->txq
+ index
;
3267 memcpy(&stats
[index
], &txq
->stats
,
3268 sizeof(struct ieee80211_tx_queue_stats
));
3270 spin_unlock_bh(&priv
->tx_lock
);
3275 static int mwl8k_get_stats(struct ieee80211_hw
*hw
,
3276 struct ieee80211_low_level_stats
*stats
)
3278 return mwl8k_cmd_802_11_get_stat(hw
, stats
);
3281 static const struct ieee80211_ops mwl8k_ops
= {
3283 .start
= mwl8k_start
,
3285 .add_interface
= mwl8k_add_interface
,
3286 .remove_interface
= mwl8k_remove_interface
,
3287 .config
= mwl8k_config
,
3288 .bss_info_changed
= mwl8k_bss_info_changed
,
3289 .prepare_multicast
= mwl8k_prepare_multicast
,
3290 .configure_filter
= mwl8k_configure_filter
,
3291 .set_rts_threshold
= mwl8k_set_rts_threshold
,
3292 .conf_tx
= mwl8k_conf_tx
,
3293 .get_tx_stats
= mwl8k_get_tx_stats
,
3294 .get_stats
= mwl8k_get_stats
,
3297 static void mwl8k_tx_reclaim_handler(unsigned long data
)
3300 struct ieee80211_hw
*hw
= (struct ieee80211_hw
*) data
;
3301 struct mwl8k_priv
*priv
= hw
->priv
;
3303 spin_lock_bh(&priv
->tx_lock
);
3304 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3305 mwl8k_txq_reclaim(hw
, i
, 0);
3307 if (priv
->tx_wait
!= NULL
&& !priv
->pending_tx_pkts
) {
3308 complete(priv
->tx_wait
);
3309 priv
->tx_wait
= NULL
;
3311 spin_unlock_bh(&priv
->tx_lock
);
3314 static void mwl8k_finalize_join_worker(struct work_struct
*work
)
3316 struct mwl8k_priv
*priv
=
3317 container_of(work
, struct mwl8k_priv
, finalize_join_worker
);
3318 struct sk_buff
*skb
= priv
->beacon_skb
;
3319 u8 dtim
= MWL8K_VIF(priv
->vif
)->bss_info
.dtim_period
;
3321 mwl8k_finalize_join(priv
->hw
, skb
->data
, skb
->len
, dtim
);
3324 priv
->beacon_skb
= NULL
;
3332 static struct mwl8k_device_info mwl8k_info_tbl
[] __devinitdata
= {
3334 .part_name
= "88w8687",
3335 .helper_image
= "mwl8k/helper_8687.fw",
3336 .fw_image
= "mwl8k/fmimage_8687.fw",
3337 .rxd_ops
= &rxd_8687_ops
,
3338 .modes
= BIT(NL80211_IFTYPE_STATION
),
3341 .part_name
= "88w8366",
3342 .helper_image
= "mwl8k/helper_8366.fw",
3343 .fw_image
= "mwl8k/fmimage_8366.fw",
3344 .rxd_ops
= &rxd_8366_ops
,
3349 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table
) = {
3350 { PCI_VDEVICE(MARVELL
, 0x2a2b), .driver_data
= MWL8687
, },
3351 { PCI_VDEVICE(MARVELL
, 0x2a30), .driver_data
= MWL8687
, },
3352 { PCI_VDEVICE(MARVELL
, 0x2a40), .driver_data
= MWL8366
, },
3355 MODULE_DEVICE_TABLE(pci
, mwl8k_pci_id_table
);
3357 static int __devinit
mwl8k_probe(struct pci_dev
*pdev
,
3358 const struct pci_device_id
*id
)
3360 static int printed_version
= 0;
3361 struct ieee80211_hw
*hw
;
3362 struct mwl8k_priv
*priv
;
3366 if (!printed_version
) {
3367 printk(KERN_INFO
"%s version %s\n", MWL8K_DESC
, MWL8K_VERSION
);
3368 printed_version
= 1;
3371 rc
= pci_enable_device(pdev
);
3373 printk(KERN_ERR
"%s: Cannot enable new PCI device\n",
3378 rc
= pci_request_regions(pdev
, MWL8K_NAME
);
3380 printk(KERN_ERR
"%s: Cannot obtain PCI resources\n",
3385 pci_set_master(pdev
);
3387 hw
= ieee80211_alloc_hw(sizeof(*priv
), &mwl8k_ops
);
3389 printk(KERN_ERR
"%s: ieee80211 alloc failed\n", MWL8K_NAME
);
3397 priv
->device_info
= &mwl8k_info_tbl
[id
->driver_data
];
3398 priv
->rxd_ops
= priv
->device_info
->rxd_ops
;
3399 priv
->sniffer_enabled
= false;
3400 priv
->wmm_enabled
= false;
3401 priv
->pending_tx_pkts
= 0;
3403 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
3404 pci_set_drvdata(pdev
, hw
);
3406 priv
->sram
= pci_iomap(pdev
, 0, 0x10000);
3407 if (priv
->sram
== NULL
) {
3408 printk(KERN_ERR
"%s: Cannot map device SRAM\n",
3409 wiphy_name(hw
->wiphy
));
3414 * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
3415 * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
3417 priv
->regs
= pci_iomap(pdev
, 1, 0x10000);
3418 if (priv
->regs
== NULL
) {
3419 priv
->regs
= pci_iomap(pdev
, 2, 0x10000);
3420 if (priv
->regs
== NULL
) {
3421 printk(KERN_ERR
"%s: Cannot map device registers\n",
3422 wiphy_name(hw
->wiphy
));
3427 memcpy(priv
->channels
, mwl8k_channels
, sizeof(mwl8k_channels
));
3428 priv
->band
.band
= IEEE80211_BAND_2GHZ
;
3429 priv
->band
.channels
= priv
->channels
;
3430 priv
->band
.n_channels
= ARRAY_SIZE(mwl8k_channels
);
3431 priv
->band
.bitrates
= priv
->rates
;
3432 priv
->band
.n_bitrates
= ARRAY_SIZE(mwl8k_rates
);
3433 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
3435 BUILD_BUG_ON(sizeof(priv
->rates
) != sizeof(mwl8k_rates
));
3436 memcpy(priv
->rates
, mwl8k_rates
, sizeof(mwl8k_rates
));
3439 * Extra headroom is the size of the required DMA header
3440 * minus the size of the smallest 802.11 frame (CTS frame).
3442 hw
->extra_tx_headroom
=
3443 sizeof(struct mwl8k_dma_data
) - sizeof(struct ieee80211_cts
);
3445 hw
->channel_change_time
= 10;
3447 hw
->queues
= MWL8K_TX_QUEUES
;
3449 hw
->wiphy
->interface_modes
= priv
->device_info
->modes
;
3451 /* Set rssi and noise values to dBm */
3452 hw
->flags
|= IEEE80211_HW_SIGNAL_DBM
| IEEE80211_HW_NOISE_DBM
;
3453 hw
->vif_data_size
= sizeof(struct mwl8k_vif
);
3456 /* Set default radio state and preamble */
3458 priv
->radio_short_preamble
= 0;
3460 /* Finalize join worker */
3461 INIT_WORK(&priv
->finalize_join_worker
, mwl8k_finalize_join_worker
);
3463 /* TX reclaim tasklet */
3464 tasklet_init(&priv
->tx_reclaim_task
,
3465 mwl8k_tx_reclaim_handler
, (unsigned long)hw
);
3466 tasklet_disable(&priv
->tx_reclaim_task
);
3468 /* Power management cookie */
3469 priv
->cookie
= pci_alloc_consistent(priv
->pdev
, 4, &priv
->cookie_dma
);
3470 if (priv
->cookie
== NULL
)
3473 rc
= mwl8k_rxq_init(hw
, 0);
3476 rxq_refill(hw
, 0, INT_MAX
);
3478 mutex_init(&priv
->fw_mutex
);
3479 priv
->fw_mutex_owner
= NULL
;
3480 priv
->fw_mutex_depth
= 0;
3481 priv
->hostcmd_wait
= NULL
;
3483 spin_lock_init(&priv
->tx_lock
);
3485 priv
->tx_wait
= NULL
;
3487 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
3488 rc
= mwl8k_txq_init(hw
, i
);
3490 goto err_free_queues
;
3493 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3494 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3495 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL
);
3496 iowrite32(0xffffffff, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK
);
3498 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
3499 IRQF_SHARED
, MWL8K_NAME
, hw
);
3501 printk(KERN_ERR
"%s: failed to register IRQ handler\n",
3502 wiphy_name(hw
->wiphy
));
3503 goto err_free_queues
;
3506 /* Reset firmware and hardware */
3507 mwl8k_hw_reset(priv
);
3509 /* Ask userland hotplug daemon for the device firmware */
3510 rc
= mwl8k_request_firmware(priv
);
3512 printk(KERN_ERR
"%s: Firmware files not found\n",
3513 wiphy_name(hw
->wiphy
));
3517 /* Load firmware into hardware */
3518 rc
= mwl8k_load_firmware(hw
);
3520 printk(KERN_ERR
"%s: Cannot start firmware\n",
3521 wiphy_name(hw
->wiphy
));
3522 goto err_stop_firmware
;
3525 /* Reclaim memory once firmware is successfully loaded */
3526 mwl8k_release_firmware(priv
);
3529 * Temporarily enable interrupts. Initial firmware host
3530 * commands use interrupts and avoids polling. Disable
3531 * interrupts when done.
3533 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3535 /* Get config data, mac addrs etc */
3537 rc
= mwl8k_cmd_get_hw_spec_ap(hw
);
3539 rc
= mwl8k_cmd_set_hw_spec(hw
);
3541 rc
= mwl8k_cmd_get_hw_spec_sta(hw
);
3544 printk(KERN_ERR
"%s: Cannot initialise firmware\n",
3545 wiphy_name(hw
->wiphy
));
3546 goto err_stop_firmware
;
3549 /* Turn radio off */
3550 rc
= mwl8k_cmd_802_11_radio_disable(hw
);
3552 printk(KERN_ERR
"%s: Cannot disable\n", wiphy_name(hw
->wiphy
));
3553 goto err_stop_firmware
;
3556 /* Clear MAC address */
3557 rc
= mwl8k_set_mac_addr(hw
, "\x00\x00\x00\x00\x00\x00");
3559 printk(KERN_ERR
"%s: Cannot clear MAC address\n",
3560 wiphy_name(hw
->wiphy
));
3561 goto err_stop_firmware
;
3564 /* Disable interrupts */
3565 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3566 free_irq(priv
->pdev
->irq
, hw
);
3568 rc
= ieee80211_register_hw(hw
);
3570 printk(KERN_ERR
"%s: Cannot register device\n",
3571 wiphy_name(hw
->wiphy
));
3572 goto err_stop_firmware
;
3575 printk(KERN_INFO
"%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n",
3576 wiphy_name(hw
->wiphy
), priv
->device_info
->part_name
,
3577 priv
->hw_rev
, hw
->wiphy
->perm_addr
,
3578 priv
->ap_fw
? "AP" : "STA",
3579 (priv
->fw_rev
>> 24) & 0xff, (priv
->fw_rev
>> 16) & 0xff,
3580 (priv
->fw_rev
>> 8) & 0xff, priv
->fw_rev
& 0xff);
3585 mwl8k_hw_reset(priv
);
3586 mwl8k_release_firmware(priv
);
3589 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3590 free_irq(priv
->pdev
->irq
, hw
);
3593 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3594 mwl8k_txq_deinit(hw
, i
);
3595 mwl8k_rxq_deinit(hw
, 0);
3598 if (priv
->cookie
!= NULL
)
3599 pci_free_consistent(priv
->pdev
, 4,
3600 priv
->cookie
, priv
->cookie_dma
);
3602 if (priv
->regs
!= NULL
)
3603 pci_iounmap(pdev
, priv
->regs
);
3605 if (priv
->sram
!= NULL
)
3606 pci_iounmap(pdev
, priv
->sram
);
3608 pci_set_drvdata(pdev
, NULL
);
3609 ieee80211_free_hw(hw
);
3612 pci_release_regions(pdev
);
3613 pci_disable_device(pdev
);
3618 static void __devexit
mwl8k_shutdown(struct pci_dev
*pdev
)
3620 printk(KERN_ERR
"===>%s(%u)\n", __func__
, __LINE__
);
3623 static void __devexit
mwl8k_remove(struct pci_dev
*pdev
)
3625 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
3626 struct mwl8k_priv
*priv
;
3633 ieee80211_stop_queues(hw
);
3635 ieee80211_unregister_hw(hw
);
3637 /* Remove tx reclaim tasklet */
3638 tasklet_kill(&priv
->tx_reclaim_task
);
3641 mwl8k_hw_reset(priv
);
3643 /* Return all skbs to mac80211 */
3644 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3645 mwl8k_txq_reclaim(hw
, i
, 1);
3647 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3648 mwl8k_txq_deinit(hw
, i
);
3650 mwl8k_rxq_deinit(hw
, 0);
3652 pci_free_consistent(priv
->pdev
, 4, priv
->cookie
, priv
->cookie_dma
);
3654 pci_iounmap(pdev
, priv
->regs
);
3655 pci_iounmap(pdev
, priv
->sram
);
3656 pci_set_drvdata(pdev
, NULL
);
3657 ieee80211_free_hw(hw
);
3658 pci_release_regions(pdev
);
3659 pci_disable_device(pdev
);
3662 static struct pci_driver mwl8k_driver
= {
3664 .id_table
= mwl8k_pci_id_table
,
3665 .probe
= mwl8k_probe
,
3666 .remove
= __devexit_p(mwl8k_remove
),
3667 .shutdown
= __devexit_p(mwl8k_shutdown
),
3670 static int __init
mwl8k_init(void)
3672 return pci_register_driver(&mwl8k_driver
);
3675 static void __exit
mwl8k_exit(void)
3677 pci_unregister_driver(&mwl8k_driver
);
3680 module_init(mwl8k_init
);
3681 module_exit(mwl8k_exit
);
3683 MODULE_DESCRIPTION(MWL8K_DESC
);
3684 MODULE_VERSION(MWL8K_VERSION
);
3685 MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
3686 MODULE_LICENSE("GPL");