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 struct mwl8k_txq_info
{
1249 static int mwl8k_scan_tx_ring(struct mwl8k_priv
*priv
,
1250 struct mwl8k_txq_info
*txinfo
)
1252 int count
, desc
, status
;
1253 struct mwl8k_tx_queue
*txq
;
1254 struct mwl8k_tx_desc
*tx_desc
;
1257 memset(txinfo
, 0, MWL8K_TX_QUEUES
* sizeof(struct mwl8k_txq_info
));
1259 for (count
= 0; count
< MWL8K_TX_QUEUES
; count
++) {
1260 txq
= priv
->txq
+ count
;
1261 txinfo
[count
].len
= txq
->stats
.len
;
1262 txinfo
[count
].head
= txq
->head
;
1263 txinfo
[count
].tail
= txq
->tail
;
1264 for (desc
= 0; desc
< MWL8K_TX_DESCS
; desc
++) {
1265 tx_desc
= txq
->txd
+ desc
;
1266 status
= le32_to_cpu(tx_desc
->status
);
1268 if (status
& MWL8K_TXD_STATUS_FW_OWNED
)
1269 txinfo
[count
].fw_owned
++;
1271 txinfo
[count
].drv_owned
++;
1273 if (tx_desc
->pkt_len
== 0)
1274 txinfo
[count
].unused
++;
1282 * Must be called with priv->fw_mutex held and tx queues stopped.
1284 static int mwl8k_tx_wait_empty(struct ieee80211_hw
*hw
)
1286 struct mwl8k_priv
*priv
= hw
->priv
;
1287 DECLARE_COMPLETION_ONSTACK(tx_wait
);
1289 unsigned long timeout
;
1293 spin_lock_bh(&priv
->tx_lock
);
1294 count
= priv
->pending_tx_pkts
;
1296 priv
->tx_wait
= &tx_wait
;
1297 spin_unlock_bh(&priv
->tx_lock
);
1300 struct mwl8k_txq_info txinfo
[MWL8K_TX_QUEUES
];
1304 timeout
= wait_for_completion_timeout(&tx_wait
,
1305 msecs_to_jiffies(5000));
1309 spin_lock_bh(&priv
->tx_lock
);
1310 priv
->tx_wait
= NULL
;
1311 newcount
= priv
->pending_tx_pkts
;
1312 mwl8k_scan_tx_ring(priv
, txinfo
);
1313 spin_unlock_bh(&priv
->tx_lock
);
1315 printk(KERN_ERR
"%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n",
1316 __func__
, __LINE__
, count
, newcount
);
1318 for (index
= 0; index
< MWL8K_TX_QUEUES
; index
++)
1319 printk(KERN_ERR
"TXQ:%u L:%u H:%u T:%u FW:%u "
1325 txinfo
[index
].fw_owned
,
1326 txinfo
[index
].drv_owned
,
1327 txinfo
[index
].unused
);
1335 #define MWL8K_TXD_SUCCESS(status) \
1336 ((status) & (MWL8K_TXD_STATUS_OK | \
1337 MWL8K_TXD_STATUS_OK_RETRY | \
1338 MWL8K_TXD_STATUS_OK_MORE_RETRY))
1340 static void mwl8k_txq_reclaim(struct ieee80211_hw
*hw
, int index
, int force
)
1342 struct mwl8k_priv
*priv
= hw
->priv
;
1343 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1346 while (txq
->stats
.len
> 0) {
1348 struct mwl8k_tx_desc
*tx_desc
;
1351 struct sk_buff
*skb
;
1352 struct ieee80211_tx_info
*info
;
1356 tx_desc
= txq
->txd
+ tx
;
1358 status
= le32_to_cpu(tx_desc
->status
);
1360 if (status
& MWL8K_TXD_STATUS_FW_OWNED
) {
1364 ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
);
1367 txq
->head
= (tx
+ 1) % MWL8K_TX_DESCS
;
1368 BUG_ON(txq
->stats
.len
== 0);
1370 priv
->pending_tx_pkts
--;
1372 addr
= le32_to_cpu(tx_desc
->pkt_phys_addr
);
1373 size
= le16_to_cpu(tx_desc
->pkt_len
);
1375 txq
->skb
[tx
] = NULL
;
1377 BUG_ON(skb
== NULL
);
1378 pci_unmap_single(priv
->pdev
, addr
, size
, PCI_DMA_TODEVICE
);
1380 mwl8k_remove_dma_header(skb
, tx_desc
->qos_control
);
1382 /* Mark descriptor as unused */
1383 tx_desc
->pkt_phys_addr
= 0;
1384 tx_desc
->pkt_len
= 0;
1386 info
= IEEE80211_SKB_CB(skb
);
1387 ieee80211_tx_info_clear_status(info
);
1388 if (MWL8K_TXD_SUCCESS(status
))
1389 info
->flags
|= IEEE80211_TX_STAT_ACK
;
1391 ieee80211_tx_status_irqsafe(hw
, skb
);
1396 if (wake
&& priv
->radio_on
&& !mutex_is_locked(&priv
->fw_mutex
))
1397 ieee80211_wake_queue(hw
, index
);
1400 /* must be called only when the card's transmit is completely halted */
1401 static void mwl8k_txq_deinit(struct ieee80211_hw
*hw
, int index
)
1403 struct mwl8k_priv
*priv
= hw
->priv
;
1404 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1406 mwl8k_txq_reclaim(hw
, index
, 1);
1411 pci_free_consistent(priv
->pdev
,
1412 MWL8K_TX_DESCS
* sizeof(struct mwl8k_tx_desc
),
1413 txq
->txd
, txq
->txd_dma
);
1418 mwl8k_txq_xmit(struct ieee80211_hw
*hw
, int index
, struct sk_buff
*skb
)
1420 struct mwl8k_priv
*priv
= hw
->priv
;
1421 struct ieee80211_tx_info
*tx_info
;
1422 struct mwl8k_vif
*mwl8k_vif
;
1423 struct ieee80211_hdr
*wh
;
1424 struct mwl8k_tx_queue
*txq
;
1425 struct mwl8k_tx_desc
*tx
;
1431 wh
= (struct ieee80211_hdr
*)skb
->data
;
1432 if (ieee80211_is_data_qos(wh
->frame_control
))
1433 qos
= le16_to_cpu(*((__le16
*)ieee80211_get_qos_ctl(wh
)));
1437 mwl8k_add_dma_header(skb
);
1438 wh
= &((struct mwl8k_dma_data
*)skb
->data
)->wh
;
1440 tx_info
= IEEE80211_SKB_CB(skb
);
1441 mwl8k_vif
= MWL8K_VIF(tx_info
->control
.vif
);
1443 if (tx_info
->flags
& IEEE80211_TX_CTL_ASSIGN_SEQ
) {
1444 u16 seqno
= mwl8k_vif
->seqno
;
1446 wh
->seq_ctrl
&= cpu_to_le16(IEEE80211_SCTL_FRAG
);
1447 wh
->seq_ctrl
|= cpu_to_le16(seqno
<< 4);
1448 mwl8k_vif
->seqno
= seqno
++ % 4096;
1451 /* Setup firmware control bit fields for each frame type. */
1454 if (ieee80211_is_mgmt(wh
->frame_control
) ||
1455 ieee80211_is_ctl(wh
->frame_control
)) {
1457 qos
= mwl8k_qos_setbit_eosp(qos
);
1458 /* Set Queue size to unspecified */
1459 qos
= mwl8k_qos_setbit_qlen(qos
, 0xff);
1460 } else if (ieee80211_is_data(wh
->frame_control
)) {
1462 if (is_multicast_ether_addr(wh
->addr1
))
1463 txstatus
|= MWL8K_TXD_STATUS_MULTICAST_TX
;
1465 /* Send pkt in an aggregate if AMPDU frame. */
1466 if (tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
)
1467 qos
= mwl8k_qos_setbit_ack(qos
,
1468 MWL8K_TXD_ACK_POLICY_BLOCKACK
);
1470 qos
= mwl8k_qos_setbit_ack(qos
,
1471 MWL8K_TXD_ACK_POLICY_NORMAL
);
1473 if (qos
& IEEE80211_QOS_CONTROL_A_MSDU_PRESENT
)
1474 qos
= mwl8k_qos_setbit_amsdu(qos
);
1477 dma
= pci_map_single(priv
->pdev
, skb
->data
,
1478 skb
->len
, PCI_DMA_TODEVICE
);
1480 if (pci_dma_mapping_error(priv
->pdev
, dma
)) {
1481 printk(KERN_DEBUG
"%s: failed to dma map skb, "
1482 "dropping TX frame.\n", wiphy_name(hw
->wiphy
));
1484 return NETDEV_TX_OK
;
1487 spin_lock_bh(&priv
->tx_lock
);
1489 txq
= priv
->txq
+ index
;
1491 BUG_ON(txq
->skb
[txq
->tail
] != NULL
);
1492 txq
->skb
[txq
->tail
] = skb
;
1494 tx
= txq
->txd
+ txq
->tail
;
1495 tx
->data_rate
= txdatarate
;
1496 tx
->tx_priority
= index
;
1497 tx
->qos_control
= cpu_to_le16(qos
);
1498 tx
->pkt_phys_addr
= cpu_to_le32(dma
);
1499 tx
->pkt_len
= cpu_to_le16(skb
->len
);
1501 tx
->peer_id
= mwl8k_vif
->peer_id
;
1503 tx
->status
= cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
| txstatus
);
1507 priv
->pending_tx_pkts
++;
1510 if (txq
->tail
== MWL8K_TX_DESCS
)
1513 if (txq
->head
== txq
->tail
)
1514 ieee80211_stop_queue(hw
, index
);
1516 mwl8k_tx_start(priv
);
1518 spin_unlock_bh(&priv
->tx_lock
);
1520 return NETDEV_TX_OK
;
1527 * We have the following requirements for issuing firmware commands:
1528 * - Some commands require that the packet transmit path is idle when
1529 * the command is issued. (For simplicity, we'll just quiesce the
1530 * transmit path for every command.)
1531 * - There are certain sequences of commands that need to be issued to
1532 * the hardware sequentially, with no other intervening commands.
1534 * This leads to an implementation of a "firmware lock" as a mutex that
1535 * can be taken recursively, and which is taken by both the low-level
1536 * command submission function (mwl8k_post_cmd) as well as any users of
1537 * that function that require issuing of an atomic sequence of commands,
1538 * and quiesces the transmit path whenever it's taken.
1540 static int mwl8k_fw_lock(struct ieee80211_hw
*hw
)
1542 struct mwl8k_priv
*priv
= hw
->priv
;
1544 if (priv
->fw_mutex_owner
!= current
) {
1547 mutex_lock(&priv
->fw_mutex
);
1548 ieee80211_stop_queues(hw
);
1550 rc
= mwl8k_tx_wait_empty(hw
);
1552 ieee80211_wake_queues(hw
);
1553 mutex_unlock(&priv
->fw_mutex
);
1558 priv
->fw_mutex_owner
= current
;
1561 priv
->fw_mutex_depth
++;
1566 static void mwl8k_fw_unlock(struct ieee80211_hw
*hw
)
1568 struct mwl8k_priv
*priv
= hw
->priv
;
1570 if (!--priv
->fw_mutex_depth
) {
1571 ieee80211_wake_queues(hw
);
1572 priv
->fw_mutex_owner
= NULL
;
1573 mutex_unlock(&priv
->fw_mutex
);
1579 * Command processing.
1582 /* Timeout firmware commands after 2000ms */
1583 #define MWL8K_CMD_TIMEOUT_MS 2000
1585 static int mwl8k_post_cmd(struct ieee80211_hw
*hw
, struct mwl8k_cmd_pkt
*cmd
)
1587 DECLARE_COMPLETION_ONSTACK(cmd_wait
);
1588 struct mwl8k_priv
*priv
= hw
->priv
;
1589 void __iomem
*regs
= priv
->regs
;
1590 dma_addr_t dma_addr
;
1591 unsigned int dma_size
;
1593 unsigned long timeout
= 0;
1596 cmd
->result
= 0xffff;
1597 dma_size
= le16_to_cpu(cmd
->length
);
1598 dma_addr
= pci_map_single(priv
->pdev
, cmd
, dma_size
,
1599 PCI_DMA_BIDIRECTIONAL
);
1600 if (pci_dma_mapping_error(priv
->pdev
, dma_addr
))
1603 rc
= mwl8k_fw_lock(hw
);
1605 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1606 PCI_DMA_BIDIRECTIONAL
);
1610 priv
->hostcmd_wait
= &cmd_wait
;
1611 iowrite32(dma_addr
, regs
+ MWL8K_HIU_GEN_PTR
);
1612 iowrite32(MWL8K_H2A_INT_DOORBELL
,
1613 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1614 iowrite32(MWL8K_H2A_INT_DUMMY
,
1615 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1617 timeout
= wait_for_completion_timeout(&cmd_wait
,
1618 msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS
));
1620 priv
->hostcmd_wait
= NULL
;
1622 mwl8k_fw_unlock(hw
);
1624 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1625 PCI_DMA_BIDIRECTIONAL
);
1628 printk(KERN_ERR
"%s: Command %s timeout after %u ms\n",
1629 wiphy_name(hw
->wiphy
),
1630 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1631 MWL8K_CMD_TIMEOUT_MS
);
1634 rc
= cmd
->result
? -EINVAL
: 0;
1636 printk(KERN_ERR
"%s: Command %s error 0x%x\n",
1637 wiphy_name(hw
->wiphy
),
1638 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1639 le16_to_cpu(cmd
->result
));
1646 * CMD_GET_HW_SPEC (STA version).
1648 struct mwl8k_cmd_get_hw_spec_sta
{
1649 struct mwl8k_cmd_pkt header
;
1651 __u8 host_interface
;
1653 __u8 perm_addr
[ETH_ALEN
];
1658 __u8 mcs_bitmap
[16];
1659 __le32 rx_queue_ptr
;
1660 __le32 num_tx_queues
;
1661 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
1663 __le32 num_tx_desc_per_queue
;
1665 } __attribute__((packed
));
1667 static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw
*hw
)
1669 struct mwl8k_priv
*priv
= hw
->priv
;
1670 struct mwl8k_cmd_get_hw_spec_sta
*cmd
;
1674 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1678 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
1679 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1681 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
1682 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1683 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
1684 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
1685 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
1686 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
1687 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
1688 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
1690 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1693 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
1694 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
1695 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
1696 priv
->hw_rev
= cmd
->hw_rev
;
1704 * CMD_GET_HW_SPEC (AP version).
1706 struct mwl8k_cmd_get_hw_spec_ap
{
1707 struct mwl8k_cmd_pkt header
;
1709 __u8 host_interface
;
1712 __u8 perm_addr
[ETH_ALEN
];
1723 } __attribute__((packed
));
1725 static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw
*hw
)
1727 struct mwl8k_priv
*priv
= hw
->priv
;
1728 struct mwl8k_cmd_get_hw_spec_ap
*cmd
;
1731 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1735 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
1736 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1738 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
1739 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1741 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1746 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
1747 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
1748 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
1749 priv
->hw_rev
= cmd
->hw_rev
;
1751 off
= le32_to_cpu(cmd
->wcbbase0
) & 0xffff;
1752 iowrite32(cpu_to_le32(priv
->txq
[0].txd_dma
), priv
->sram
+ off
);
1754 off
= le32_to_cpu(cmd
->rxwrptr
) & 0xffff;
1755 iowrite32(cpu_to_le32(priv
->rxq
[0].rxd_dma
), priv
->sram
+ off
);
1757 off
= le32_to_cpu(cmd
->rxrdptr
) & 0xffff;
1758 iowrite32(cpu_to_le32(priv
->rxq
[0].rxd_dma
), priv
->sram
+ off
);
1760 off
= le32_to_cpu(cmd
->wcbbase1
) & 0xffff;
1761 iowrite32(cpu_to_le32(priv
->txq
[1].txd_dma
), priv
->sram
+ off
);
1763 off
= le32_to_cpu(cmd
->wcbbase2
) & 0xffff;
1764 iowrite32(cpu_to_le32(priv
->txq
[2].txd_dma
), priv
->sram
+ off
);
1766 off
= le32_to_cpu(cmd
->wcbbase3
) & 0xffff;
1767 iowrite32(cpu_to_le32(priv
->txq
[3].txd_dma
), priv
->sram
+ off
);
1777 struct mwl8k_cmd_set_hw_spec
{
1778 struct mwl8k_cmd_pkt header
;
1780 __u8 host_interface
;
1782 __u8 perm_addr
[ETH_ALEN
];
1787 __le32 rx_queue_ptr
;
1788 __le32 num_tx_queues
;
1789 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
1791 __le32 num_tx_desc_per_queue
;
1793 } __attribute__((packed
));
1795 #define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
1797 static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw
*hw
)
1799 struct mwl8k_priv
*priv
= hw
->priv
;
1800 struct mwl8k_cmd_set_hw_spec
*cmd
;
1804 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1808 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_HW_SPEC
);
1809 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1811 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1812 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
1813 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
1814 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
1815 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
1816 cmd
->flags
= cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT
);
1817 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
1818 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
1820 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1827 * CMD_MAC_MULTICAST_ADR.
1829 struct mwl8k_cmd_mac_multicast_adr
{
1830 struct mwl8k_cmd_pkt header
;
1833 __u8 addr
[0][ETH_ALEN
];
1836 #define MWL8K_ENABLE_RX_DIRECTED 0x0001
1837 #define MWL8K_ENABLE_RX_MULTICAST 0x0002
1838 #define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004
1839 #define MWL8K_ENABLE_RX_BROADCAST 0x0008
1841 static struct mwl8k_cmd_pkt
*
1842 __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw
*hw
, int allmulti
,
1843 int mc_count
, struct dev_addr_list
*mclist
)
1845 struct mwl8k_priv
*priv
= hw
->priv
;
1846 struct mwl8k_cmd_mac_multicast_adr
*cmd
;
1849 if (allmulti
|| mc_count
> priv
->num_mcaddrs
) {
1854 size
= sizeof(*cmd
) + mc_count
* ETH_ALEN
;
1856 cmd
= kzalloc(size
, GFP_ATOMIC
);
1860 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR
);
1861 cmd
->header
.length
= cpu_to_le16(size
);
1862 cmd
->action
= cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED
|
1863 MWL8K_ENABLE_RX_BROADCAST
);
1866 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST
);
1867 } else if (mc_count
) {
1870 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST
);
1871 cmd
->numaddr
= cpu_to_le16(mc_count
);
1872 for (i
= 0; i
< mc_count
&& mclist
; i
++) {
1873 if (mclist
->da_addrlen
!= ETH_ALEN
) {
1877 memcpy(cmd
->addr
[i
], mclist
->da_addr
, ETH_ALEN
);
1878 mclist
= mclist
->next
;
1882 return &cmd
->header
;
1886 * CMD_802_11_GET_STAT.
1888 struct mwl8k_cmd_802_11_get_stat
{
1889 struct mwl8k_cmd_pkt header
;
1891 } __attribute__((packed
));
1893 #define MWL8K_STAT_ACK_FAILURE 9
1894 #define MWL8K_STAT_RTS_FAILURE 12
1895 #define MWL8K_STAT_FCS_ERROR 24
1896 #define MWL8K_STAT_RTS_SUCCESS 11
1898 static int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw
*hw
,
1899 struct ieee80211_low_level_stats
*stats
)
1901 struct mwl8k_cmd_802_11_get_stat
*cmd
;
1904 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1908 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_STAT
);
1909 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1911 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1913 stats
->dot11ACKFailureCount
=
1914 le32_to_cpu(cmd
->stats
[MWL8K_STAT_ACK_FAILURE
]);
1915 stats
->dot11RTSFailureCount
=
1916 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_FAILURE
]);
1917 stats
->dot11FCSErrorCount
=
1918 le32_to_cpu(cmd
->stats
[MWL8K_STAT_FCS_ERROR
]);
1919 stats
->dot11RTSSuccessCount
=
1920 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_SUCCESS
]);
1928 * CMD_802_11_RADIO_CONTROL.
1930 struct mwl8k_cmd_802_11_radio_control
{
1931 struct mwl8k_cmd_pkt header
;
1935 } __attribute__((packed
));
1938 mwl8k_cmd_802_11_radio_control(struct ieee80211_hw
*hw
, bool enable
, bool force
)
1940 struct mwl8k_priv
*priv
= hw
->priv
;
1941 struct mwl8k_cmd_802_11_radio_control
*cmd
;
1944 if (enable
== priv
->radio_on
&& !force
)
1947 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1951 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RADIO_CONTROL
);
1952 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1953 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
1954 cmd
->control
= cpu_to_le16(priv
->radio_short_preamble
? 3 : 1);
1955 cmd
->radio_on
= cpu_to_le16(enable
? 0x0001 : 0x0000);
1957 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1961 priv
->radio_on
= enable
;
1966 static int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw
*hw
)
1968 return mwl8k_cmd_802_11_radio_control(hw
, 0, 0);
1971 static int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw
*hw
)
1973 return mwl8k_cmd_802_11_radio_control(hw
, 1, 0);
1977 mwl8k_set_radio_preamble(struct ieee80211_hw
*hw
, bool short_preamble
)
1979 struct mwl8k_priv
*priv
;
1981 if (hw
== NULL
|| hw
->priv
== NULL
)
1985 priv
->radio_short_preamble
= short_preamble
;
1987 return mwl8k_cmd_802_11_radio_control(hw
, 1, 1);
1991 * CMD_802_11_RF_TX_POWER.
1993 #define MWL8K_TX_POWER_LEVEL_TOTAL 8
1995 struct mwl8k_cmd_802_11_rf_tx_power
{
1996 struct mwl8k_cmd_pkt header
;
1998 __le16 support_level
;
1999 __le16 current_level
;
2001 __le16 power_level_list
[MWL8K_TX_POWER_LEVEL_TOTAL
];
2002 } __attribute__((packed
));
2004 static int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw
*hw
, int dBm
)
2006 struct mwl8k_cmd_802_11_rf_tx_power
*cmd
;
2009 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2013 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_TX_POWER
);
2014 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2015 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2016 cmd
->support_level
= cpu_to_le16(dBm
);
2018 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2027 struct mwl8k_cmd_rf_antenna
{
2028 struct mwl8k_cmd_pkt header
;
2031 } __attribute__((packed
));
2033 #define MWL8K_RF_ANTENNA_RX 1
2034 #define MWL8K_RF_ANTENNA_TX 2
2037 mwl8k_cmd_rf_antenna(struct ieee80211_hw
*hw
, int antenna
, int mask
)
2039 struct mwl8k_cmd_rf_antenna
*cmd
;
2042 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2046 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_ANTENNA
);
2047 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2048 cmd
->antenna
= cpu_to_le16(antenna
);
2049 cmd
->mode
= cpu_to_le16(mask
);
2051 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2060 struct mwl8k_cmd_set_pre_scan
{
2061 struct mwl8k_cmd_pkt header
;
2062 } __attribute__((packed
));
2064 static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw
*hw
)
2066 struct mwl8k_cmd_set_pre_scan
*cmd
;
2069 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2073 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN
);
2074 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2076 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2083 * CMD_SET_POST_SCAN.
2085 struct mwl8k_cmd_set_post_scan
{
2086 struct mwl8k_cmd_pkt header
;
2088 __u8 bssid
[ETH_ALEN
];
2089 } __attribute__((packed
));
2092 mwl8k_cmd_set_post_scan(struct ieee80211_hw
*hw
, __u8
*mac
)
2094 struct mwl8k_cmd_set_post_scan
*cmd
;
2097 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2101 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_POST_SCAN
);
2102 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2104 memcpy(cmd
->bssid
, mac
, ETH_ALEN
);
2106 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2113 * CMD_SET_RF_CHANNEL.
2115 struct mwl8k_cmd_set_rf_channel
{
2116 struct mwl8k_cmd_pkt header
;
2118 __u8 current_channel
;
2119 __le32 channel_flags
;
2120 } __attribute__((packed
));
2122 static int mwl8k_cmd_set_rf_channel(struct ieee80211_hw
*hw
,
2123 struct ieee80211_channel
*channel
)
2125 struct mwl8k_cmd_set_rf_channel
*cmd
;
2128 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2132 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL
);
2133 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2134 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2135 cmd
->current_channel
= channel
->hw_value
;
2136 if (channel
->band
== IEEE80211_BAND_2GHZ
)
2137 cmd
->channel_flags
= cpu_to_le32(0x00000081);
2139 cmd
->channel_flags
= cpu_to_le32(0x00000000);
2141 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2150 struct mwl8k_cmd_set_slot
{
2151 struct mwl8k_cmd_pkt header
;
2154 } __attribute__((packed
));
2156 static int mwl8k_cmd_set_slot(struct ieee80211_hw
*hw
, bool short_slot_time
)
2158 struct mwl8k_cmd_set_slot
*cmd
;
2161 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2165 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_SLOT
);
2166 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2167 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2168 cmd
->short_slot
= short_slot_time
;
2170 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2179 struct mwl8k_cmd_mimo_config
{
2180 struct mwl8k_cmd_pkt header
;
2182 __u8 rx_antenna_map
;
2183 __u8 tx_antenna_map
;
2184 } __attribute__((packed
));
2186 static int mwl8k_cmd_mimo_config(struct ieee80211_hw
*hw
, __u8 rx
, __u8 tx
)
2188 struct mwl8k_cmd_mimo_config
*cmd
;
2191 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2195 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MIMO_CONFIG
);
2196 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2197 cmd
->action
= cpu_to_le32((u32
)MWL8K_CMD_SET
);
2198 cmd
->rx_antenna_map
= rx
;
2199 cmd
->tx_antenna_map
= tx
;
2201 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2208 * CMD_ENABLE_SNIFFER.
2210 struct mwl8k_cmd_enable_sniffer
{
2211 struct mwl8k_cmd_pkt header
;
2213 } __attribute__((packed
));
2215 static int mwl8k_enable_sniffer(struct ieee80211_hw
*hw
, bool enable
)
2217 struct mwl8k_cmd_enable_sniffer
*cmd
;
2220 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2224 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER
);
2225 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2226 cmd
->action
= cpu_to_le32(!!enable
);
2228 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2237 struct mwl8k_cmd_set_mac_addr
{
2238 struct mwl8k_cmd_pkt header
;
2242 __u8 mac_addr
[ETH_ALEN
];
2244 __u8 mac_addr
[ETH_ALEN
];
2246 } __attribute__((packed
));
2248 static int mwl8k_set_mac_addr(struct ieee80211_hw
*hw
, u8
*mac
)
2250 struct mwl8k_priv
*priv
= hw
->priv
;
2251 struct mwl8k_cmd_set_mac_addr
*cmd
;
2254 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2258 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR
);
2259 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2261 cmd
->mbss
.mac_type
= 0;
2262 memcpy(cmd
->mbss
.mac_addr
, mac
, ETH_ALEN
);
2264 memcpy(cmd
->mac_addr
, mac
, ETH_ALEN
);
2267 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2275 * CMD_SET_RATEADAPT_MODE.
2277 struct mwl8k_cmd_set_rate_adapt_mode
{
2278 struct mwl8k_cmd_pkt header
;
2281 } __attribute__((packed
));
2283 static int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw
*hw
, __u16 mode
)
2285 struct mwl8k_cmd_set_rate_adapt_mode
*cmd
;
2288 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2292 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE
);
2293 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2294 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2295 cmd
->mode
= cpu_to_le16(mode
);
2297 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2306 struct mwl8k_cmd_set_wmm
{
2307 struct mwl8k_cmd_pkt header
;
2309 } __attribute__((packed
));
2311 static int mwl8k_set_wmm(struct ieee80211_hw
*hw
, bool enable
)
2313 struct mwl8k_priv
*priv
= hw
->priv
;
2314 struct mwl8k_cmd_set_wmm
*cmd
;
2317 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2321 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_WMM_MODE
);
2322 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2323 cmd
->action
= cpu_to_le16(!!enable
);
2325 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2329 priv
->wmm_enabled
= enable
;
2335 * CMD_SET_RTS_THRESHOLD.
2337 struct mwl8k_cmd_rts_threshold
{
2338 struct mwl8k_cmd_pkt header
;
2341 } __attribute__((packed
));
2343 static int mwl8k_rts_threshold(struct ieee80211_hw
*hw
,
2344 u16 action
, u16 threshold
)
2346 struct mwl8k_cmd_rts_threshold
*cmd
;
2349 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2353 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD
);
2354 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2355 cmd
->action
= cpu_to_le16(action
);
2356 cmd
->threshold
= cpu_to_le16(threshold
);
2358 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2365 * CMD_SET_EDCA_PARAMS.
2367 struct mwl8k_cmd_set_edca_params
{
2368 struct mwl8k_cmd_pkt header
;
2370 /* See MWL8K_SET_EDCA_XXX below */
2373 /* TX opportunity in units of 32 us */
2378 /* Log exponent of max contention period: 0...15 */
2381 /* Log exponent of min contention period: 0...15 */
2384 /* Adaptive interframe spacing in units of 32us */
2387 /* TX queue to configure */
2391 /* Log exponent of max contention period: 0...15 */
2394 /* Log exponent of min contention period: 0...15 */
2397 /* Adaptive interframe spacing in units of 32us */
2400 /* TX queue to configure */
2404 } __attribute__((packed
));
2406 #define MWL8K_SET_EDCA_CW 0x01
2407 #define MWL8K_SET_EDCA_TXOP 0x02
2408 #define MWL8K_SET_EDCA_AIFS 0x04
2410 #define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \
2411 MWL8K_SET_EDCA_TXOP | \
2412 MWL8K_SET_EDCA_AIFS)
2415 mwl8k_set_edca_params(struct ieee80211_hw
*hw
, __u8 qnum
,
2416 __u16 cw_min
, __u16 cw_max
,
2417 __u8 aifs
, __u16 txop
)
2419 struct mwl8k_priv
*priv
= hw
->priv
;
2420 struct mwl8k_cmd_set_edca_params
*cmd
;
2423 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2428 * Queues 0 (BE) and 1 (BK) are swapped in hardware for
2431 qnum
^= !(qnum
>> 1);
2433 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS
);
2434 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2435 cmd
->action
= cpu_to_le16(MWL8K_SET_EDCA_ALL
);
2436 cmd
->txop
= cpu_to_le16(txop
);
2438 cmd
->ap
.log_cw_max
= cpu_to_le32(ilog2(cw_max
+ 1));
2439 cmd
->ap
.log_cw_min
= cpu_to_le32(ilog2(cw_min
+ 1));
2440 cmd
->ap
.aifs
= aifs
;
2443 cmd
->sta
.log_cw_max
= (u8
)ilog2(cw_max
+ 1);
2444 cmd
->sta
.log_cw_min
= (u8
)ilog2(cw_min
+ 1);
2445 cmd
->sta
.aifs
= aifs
;
2446 cmd
->sta
.txq
= qnum
;
2449 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2456 * CMD_FINALIZE_JOIN.
2459 /* FJ beacon buffer size is compiled into the firmware. */
2460 #define MWL8K_FJ_BEACON_MAXLEN 128
2462 struct mwl8k_cmd_finalize_join
{
2463 struct mwl8k_cmd_pkt header
;
2464 __le32 sleep_interval
; /* Number of beacon periods to sleep */
2465 __u8 beacon_data
[MWL8K_FJ_BEACON_MAXLEN
];
2466 } __attribute__((packed
));
2468 static int mwl8k_finalize_join(struct ieee80211_hw
*hw
, void *frame
,
2469 __u16 framelen
, __u16 dtim
)
2471 struct mwl8k_cmd_finalize_join
*cmd
;
2472 struct ieee80211_mgmt
*payload
= frame
;
2480 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2484 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN
);
2485 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2486 cmd
->sleep_interval
= cpu_to_le32(dtim
? dtim
: 1);
2488 hdrlen
= ieee80211_hdrlen(payload
->frame_control
);
2490 payload_len
= framelen
> hdrlen
? framelen
- hdrlen
: 0;
2492 /* XXX TBD Might just have to abort and return an error */
2493 if (payload_len
> MWL8K_FJ_BEACON_MAXLEN
)
2494 printk(KERN_ERR
"%s(): WARNING: Incomplete beacon "
2495 "sent to firmware. Sz=%u MAX=%u\n", __func__
,
2496 payload_len
, MWL8K_FJ_BEACON_MAXLEN
);
2498 if (payload_len
> MWL8K_FJ_BEACON_MAXLEN
)
2499 payload_len
= MWL8K_FJ_BEACON_MAXLEN
;
2501 if (payload
&& payload_len
)
2502 memcpy(cmd
->beacon_data
, &payload
->u
.beacon
, payload_len
);
2504 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2512 struct mwl8k_cmd_update_sta_db
{
2513 struct mwl8k_cmd_pkt header
;
2515 /* See STADB_ACTION_TYPE */
2518 /* Peer MAC address */
2519 __u8 peer_addr
[ETH_ALEN
];
2523 /* Peer info - valid during add/update. */
2524 struct peer_capability_info peer_info
;
2525 } __attribute__((packed
));
2527 static int mwl8k_cmd_update_sta_db(struct ieee80211_hw
*hw
,
2528 struct ieee80211_vif
*vif
, __u32 action
)
2530 struct mwl8k_vif
*mv_vif
= MWL8K_VIF(vif
);
2531 struct ieee80211_bss_conf
*info
= &mv_vif
->bss_info
;
2532 struct mwl8k_cmd_update_sta_db
*cmd
;
2533 struct peer_capability_info
*peer_info
;
2536 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2540 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_STADB
);
2541 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2543 cmd
->action
= cpu_to_le32(action
);
2544 peer_info
= &cmd
->peer_info
;
2545 memcpy(cmd
->peer_addr
, mv_vif
->bssid
, ETH_ALEN
);
2548 case MWL8K_STA_DB_ADD_ENTRY
:
2549 case MWL8K_STA_DB_MODIFY_ENTRY
:
2550 /* Build peer_info block */
2551 peer_info
->peer_type
= MWL8K_PEER_TYPE_ACCESSPOINT
;
2552 peer_info
->basic_caps
= cpu_to_le16(info
->assoc_capability
);
2553 memcpy(peer_info
->legacy_rates
, mwl8k_rateids
,
2554 sizeof(mwl8k_rateids
));
2555 peer_info
->interop
= 1;
2556 peer_info
->amsdu_enabled
= 0;
2558 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2560 mv_vif
->peer_id
= peer_info
->station_id
;
2564 case MWL8K_STA_DB_DEL_ENTRY
:
2565 case MWL8K_STA_DB_FLUSH
:
2567 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2569 mv_vif
->peer_id
= 0;
2580 #define MWL8K_FRAME_PROT_DISABLED 0x00
2581 #define MWL8K_FRAME_PROT_11G 0x07
2582 #define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02
2583 #define MWL8K_FRAME_PROT_11N_HT_ALL 0x06
2585 struct mwl8k_cmd_update_set_aid
{
2586 struct mwl8k_cmd_pkt header
;
2589 /* AP's MAC address (BSSID) */
2590 __u8 bssid
[ETH_ALEN
];
2591 __le16 protection_mode
;
2592 __u8 supp_rates
[14];
2593 } __attribute__((packed
));
2595 static int mwl8k_cmd_set_aid(struct ieee80211_hw
*hw
,
2596 struct ieee80211_vif
*vif
)
2598 struct mwl8k_vif
*mv_vif
= MWL8K_VIF(vif
);
2599 struct ieee80211_bss_conf
*info
= &mv_vif
->bss_info
;
2600 struct mwl8k_cmd_update_set_aid
*cmd
;
2604 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2608 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_AID
);
2609 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2610 cmd
->aid
= cpu_to_le16(info
->aid
);
2612 memcpy(cmd
->bssid
, mv_vif
->bssid
, ETH_ALEN
);
2614 if (info
->use_cts_prot
) {
2615 prot_mode
= MWL8K_FRAME_PROT_11G
;
2617 switch (info
->ht_operation_mode
&
2618 IEEE80211_HT_OP_MODE_PROTECTION
) {
2619 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
2620 prot_mode
= MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY
;
2622 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
2623 prot_mode
= MWL8K_FRAME_PROT_11N_HT_ALL
;
2626 prot_mode
= MWL8K_FRAME_PROT_DISABLED
;
2630 cmd
->protection_mode
= cpu_to_le16(prot_mode
);
2632 memcpy(cmd
->supp_rates
, mwl8k_rateids
, sizeof(mwl8k_rateids
));
2634 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2643 struct mwl8k_cmd_update_rateset
{
2644 struct mwl8k_cmd_pkt header
;
2645 __u8 legacy_rates
[14];
2647 /* Bitmap for supported MCS codes. */
2650 } __attribute__((packed
));
2652 static int mwl8k_update_rateset(struct ieee80211_hw
*hw
,
2653 struct ieee80211_vif
*vif
)
2655 struct mwl8k_cmd_update_rateset
*cmd
;
2658 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2662 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATE
);
2663 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2664 memcpy(cmd
->legacy_rates
, mwl8k_rateids
, sizeof(mwl8k_rateids
));
2666 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2673 * CMD_USE_FIXED_RATE.
2675 #define MWL8K_RATE_TABLE_SIZE 8
2676 #define MWL8K_UCAST_RATE 0
2677 #define MWL8K_USE_AUTO_RATE 0x0002
2679 struct mwl8k_rate_entry
{
2680 /* Set to 1 if HT rate, 0 if legacy. */
2683 /* Set to 1 to use retry_count field. */
2684 __le32 enable_retry
;
2686 /* Specified legacy rate or MCS. */
2689 /* Number of allowed retries. */
2691 } __attribute__((packed
));
2693 struct mwl8k_rate_table
{
2694 /* 1 to allow specified rate and below */
2695 __le32 allow_rate_drop
;
2697 struct mwl8k_rate_entry rate_entry
[MWL8K_RATE_TABLE_SIZE
];
2698 } __attribute__((packed
));
2700 struct mwl8k_cmd_use_fixed_rate
{
2701 struct mwl8k_cmd_pkt header
;
2703 struct mwl8k_rate_table rate_table
;
2705 /* Unicast, Broadcast or Multicast */
2709 } __attribute__((packed
));
2711 static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw
*hw
,
2712 u32 action
, u32 rate_type
, struct mwl8k_rate_table
*rate_table
)
2714 struct mwl8k_cmd_use_fixed_rate
*cmd
;
2718 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2722 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE
);
2723 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2725 cmd
->action
= cpu_to_le32(action
);
2726 cmd
->rate_type
= cpu_to_le32(rate_type
);
2728 if (rate_table
!= NULL
) {
2730 * Copy over each field manually so that endian
2731 * conversion can be done.
2733 cmd
->rate_table
.allow_rate_drop
=
2734 cpu_to_le32(rate_table
->allow_rate_drop
);
2735 cmd
->rate_table
.num_rates
=
2736 cpu_to_le32(rate_table
->num_rates
);
2738 for (count
= 0; count
< rate_table
->num_rates
; count
++) {
2739 struct mwl8k_rate_entry
*dst
=
2740 &cmd
->rate_table
.rate_entry
[count
];
2741 struct mwl8k_rate_entry
*src
=
2742 &rate_table
->rate_entry
[count
];
2744 dst
->is_ht_rate
= cpu_to_le32(src
->is_ht_rate
);
2745 dst
->enable_retry
= cpu_to_le32(src
->enable_retry
);
2746 dst
->rate
= cpu_to_le32(src
->rate
);
2747 dst
->retry_count
= cpu_to_le32(src
->retry_count
);
2751 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2759 * Interrupt handling.
2761 static irqreturn_t
mwl8k_interrupt(int irq
, void *dev_id
)
2763 struct ieee80211_hw
*hw
= dev_id
;
2764 struct mwl8k_priv
*priv
= hw
->priv
;
2767 status
= ioread32(priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
2768 iowrite32(~status
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
2773 if (status
& MWL8K_A2H_INT_TX_DONE
)
2774 tasklet_schedule(&priv
->tx_reclaim_task
);
2776 if (status
& MWL8K_A2H_INT_RX_READY
) {
2777 while (rxq_process(hw
, 0, 1))
2778 rxq_refill(hw
, 0, 1);
2781 if (status
& MWL8K_A2H_INT_OPC_DONE
) {
2782 if (priv
->hostcmd_wait
!= NULL
)
2783 complete(priv
->hostcmd_wait
);
2786 if (status
& MWL8K_A2H_INT_QUEUE_EMPTY
) {
2787 if (!mutex_is_locked(&priv
->fw_mutex
) &&
2788 priv
->radio_on
&& priv
->pending_tx_pkts
)
2789 mwl8k_tx_start(priv
);
2797 * Core driver operations.
2799 static int mwl8k_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
2801 struct mwl8k_priv
*priv
= hw
->priv
;
2802 int index
= skb_get_queue_mapping(skb
);
2805 if (priv
->current_channel
== NULL
) {
2806 printk(KERN_DEBUG
"%s: dropped TX frame since radio "
2807 "disabled\n", wiphy_name(hw
->wiphy
));
2809 return NETDEV_TX_OK
;
2812 rc
= mwl8k_txq_xmit(hw
, index
, skb
);
2817 static int mwl8k_start(struct ieee80211_hw
*hw
)
2819 struct mwl8k_priv
*priv
= hw
->priv
;
2822 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
2823 IRQF_SHARED
, MWL8K_NAME
, hw
);
2825 printk(KERN_ERR
"%s: failed to register IRQ handler\n",
2826 wiphy_name(hw
->wiphy
));
2830 /* Enable tx reclaim tasklet */
2831 tasklet_enable(&priv
->tx_reclaim_task
);
2833 /* Enable interrupts */
2834 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2836 rc
= mwl8k_fw_lock(hw
);
2838 rc
= mwl8k_cmd_802_11_radio_enable(hw
);
2842 rc
= mwl8k_enable_sniffer(hw
, 0);
2845 rc
= mwl8k_cmd_set_pre_scan(hw
);
2848 rc
= mwl8k_cmd_set_post_scan(hw
,
2849 "\x00\x00\x00\x00\x00\x00");
2853 rc
= mwl8k_cmd_setrateadaptmode(hw
, 0);
2856 rc
= mwl8k_set_wmm(hw
, 0);
2858 mwl8k_fw_unlock(hw
);
2862 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2863 free_irq(priv
->pdev
->irq
, hw
);
2864 tasklet_disable(&priv
->tx_reclaim_task
);
2870 static void mwl8k_stop(struct ieee80211_hw
*hw
)
2872 struct mwl8k_priv
*priv
= hw
->priv
;
2875 mwl8k_cmd_802_11_radio_disable(hw
);
2877 ieee80211_stop_queues(hw
);
2879 /* Disable interrupts */
2880 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
2881 free_irq(priv
->pdev
->irq
, hw
);
2883 /* Stop finalize join worker */
2884 cancel_work_sync(&priv
->finalize_join_worker
);
2885 if (priv
->beacon_skb
!= NULL
)
2886 dev_kfree_skb(priv
->beacon_skb
);
2888 /* Stop tx reclaim tasklet */
2889 tasklet_disable(&priv
->tx_reclaim_task
);
2891 /* Return all skbs to mac80211 */
2892 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
2893 mwl8k_txq_reclaim(hw
, i
, 1);
2896 static int mwl8k_add_interface(struct ieee80211_hw
*hw
,
2897 struct ieee80211_if_init_conf
*conf
)
2899 struct mwl8k_priv
*priv
= hw
->priv
;
2900 struct mwl8k_vif
*mwl8k_vif
;
2903 * We only support one active interface at a time.
2905 if (priv
->vif
!= NULL
)
2909 * We only support managed interfaces for now.
2911 if (conf
->type
!= NL80211_IFTYPE_STATION
)
2915 * Reject interface creation if sniffer mode is active, as
2916 * STA operation is mutually exclusive with hardware sniffer
2919 if (priv
->sniffer_enabled
) {
2920 printk(KERN_INFO
"%s: unable to create STA "
2921 "interface due to sniffer mode being enabled\n",
2922 wiphy_name(hw
->wiphy
));
2926 /* Clean out driver private area */
2927 mwl8k_vif
= MWL8K_VIF(conf
->vif
);
2928 memset(mwl8k_vif
, 0, sizeof(*mwl8k_vif
));
2930 /* Set and save the mac address */
2931 mwl8k_set_mac_addr(hw
, conf
->mac_addr
);
2932 memcpy(mwl8k_vif
->mac_addr
, conf
->mac_addr
, ETH_ALEN
);
2934 /* Back pointer to parent config block */
2935 mwl8k_vif
->priv
= priv
;
2937 /* Set Initial sequence number to zero */
2938 mwl8k_vif
->seqno
= 0;
2940 priv
->vif
= conf
->vif
;
2941 priv
->current_channel
= NULL
;
2946 static void mwl8k_remove_interface(struct ieee80211_hw
*hw
,
2947 struct ieee80211_if_init_conf
*conf
)
2949 struct mwl8k_priv
*priv
= hw
->priv
;
2951 if (priv
->vif
== NULL
)
2954 mwl8k_set_mac_addr(hw
, "\x00\x00\x00\x00\x00\x00");
2959 static int mwl8k_config(struct ieee80211_hw
*hw
, u32 changed
)
2961 struct ieee80211_conf
*conf
= &hw
->conf
;
2962 struct mwl8k_priv
*priv
= hw
->priv
;
2965 if (conf
->flags
& IEEE80211_CONF_IDLE
) {
2966 mwl8k_cmd_802_11_radio_disable(hw
);
2967 priv
->current_channel
= NULL
;
2971 rc
= mwl8k_fw_lock(hw
);
2975 rc
= mwl8k_cmd_802_11_radio_enable(hw
);
2979 rc
= mwl8k_cmd_set_rf_channel(hw
, conf
->channel
);
2983 priv
->current_channel
= conf
->channel
;
2985 if (conf
->power_level
> 18)
2986 conf
->power_level
= 18;
2987 rc
= mwl8k_cmd_802_11_rf_tx_power(hw
, conf
->power_level
);
2992 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_RX
, 0x7);
2994 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_TX
, 0x7);
2996 rc
= mwl8k_cmd_mimo_config(hw
, 0x7, 0x7);
3000 mwl8k_fw_unlock(hw
);
3005 static void mwl8k_bss_info_changed(struct ieee80211_hw
*hw
,
3006 struct ieee80211_vif
*vif
,
3007 struct ieee80211_bss_conf
*info
,
3010 struct mwl8k_priv
*priv
= hw
->priv
;
3011 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3014 if (changed
& BSS_CHANGED_BSSID
)
3015 memcpy(mwl8k_vif
->bssid
, info
->bssid
, ETH_ALEN
);
3017 if ((changed
& BSS_CHANGED_ASSOC
) == 0)
3020 priv
->capture_beacon
= false;
3022 rc
= mwl8k_fw_lock(hw
);
3027 memcpy(&mwl8k_vif
->bss_info
, info
,
3028 sizeof(struct ieee80211_bss_conf
));
3031 rc
= mwl8k_update_rateset(hw
, vif
);
3035 /* Turn on rate adaptation */
3036 rc
= mwl8k_cmd_use_fixed_rate(hw
, MWL8K_USE_AUTO_RATE
,
3037 MWL8K_UCAST_RATE
, NULL
);
3041 /* Set radio preamble */
3042 rc
= mwl8k_set_radio_preamble(hw
, info
->use_short_preamble
);
3047 rc
= mwl8k_cmd_set_slot(hw
, info
->use_short_slot
);
3051 /* Update peer rate info */
3052 rc
= mwl8k_cmd_update_sta_db(hw
, vif
,
3053 MWL8K_STA_DB_MODIFY_ENTRY
);
3058 rc
= mwl8k_cmd_set_aid(hw
, vif
);
3063 * Finalize the join. Tell rx handler to process
3064 * next beacon from our BSSID.
3066 memcpy(priv
->capture_bssid
, mwl8k_vif
->bssid
, ETH_ALEN
);
3067 priv
->capture_beacon
= true;
3069 rc
= mwl8k_cmd_update_sta_db(hw
, vif
, MWL8K_STA_DB_DEL_ENTRY
);
3070 memset(&mwl8k_vif
->bss_info
, 0,
3071 sizeof(struct ieee80211_bss_conf
));
3072 memset(mwl8k_vif
->bssid
, 0, ETH_ALEN
);
3076 mwl8k_fw_unlock(hw
);
3079 static u64
mwl8k_prepare_multicast(struct ieee80211_hw
*hw
,
3080 int mc_count
, struct dev_addr_list
*mclist
)
3082 struct mwl8k_cmd_pkt
*cmd
;
3085 * Synthesize and return a command packet that programs the
3086 * hardware multicast address filter. At this point we don't
3087 * know whether FIF_ALLMULTI is being requested, but if it is,
3088 * we'll end up throwing this packet away and creating a new
3089 * one in mwl8k_configure_filter().
3091 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 0, mc_count
, mclist
);
3093 return (unsigned long)cmd
;
3097 mwl8k_configure_filter_sniffer(struct ieee80211_hw
*hw
,
3098 unsigned int changed_flags
,
3099 unsigned int *total_flags
)
3101 struct mwl8k_priv
*priv
= hw
->priv
;
3104 * Hardware sniffer mode is mutually exclusive with STA
3105 * operation, so refuse to enable sniffer mode if a STA
3106 * interface is active.
3108 if (priv
->vif
!= NULL
) {
3109 if (net_ratelimit())
3110 printk(KERN_INFO
"%s: not enabling sniffer "
3111 "mode because STA interface is active\n",
3112 wiphy_name(hw
->wiphy
));
3116 if (!priv
->sniffer_enabled
) {
3117 if (mwl8k_enable_sniffer(hw
, 1))
3119 priv
->sniffer_enabled
= true;
3122 *total_flags
&= FIF_PROMISC_IN_BSS
| FIF_ALLMULTI
|
3123 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
|
3129 static void mwl8k_configure_filter(struct ieee80211_hw
*hw
,
3130 unsigned int changed_flags
,
3131 unsigned int *total_flags
,
3134 struct mwl8k_priv
*priv
= hw
->priv
;
3135 struct mwl8k_cmd_pkt
*cmd
= (void *)(unsigned long)multicast
;
3138 * AP firmware doesn't allow fine-grained control over
3139 * the receive filter.
3142 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
3148 * Enable hardware sniffer mode if FIF_CONTROL or
3149 * FIF_OTHER_BSS is requested.
3151 if (*total_flags
& (FIF_CONTROL
| FIF_OTHER_BSS
) &&
3152 mwl8k_configure_filter_sniffer(hw
, changed_flags
, total_flags
)) {
3157 /* Clear unsupported feature flags */
3158 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
3160 if (mwl8k_fw_lock(hw
))
3163 if (priv
->sniffer_enabled
) {
3164 mwl8k_enable_sniffer(hw
, 0);
3165 priv
->sniffer_enabled
= false;
3168 if (changed_flags
& FIF_BCN_PRBRESP_PROMISC
) {
3169 if (*total_flags
& FIF_BCN_PRBRESP_PROMISC
) {
3171 * Disable the BSS filter.
3173 mwl8k_cmd_set_pre_scan(hw
);
3178 * Enable the BSS filter.
3180 * If there is an active STA interface, use that
3181 * interface's BSSID, otherwise use a dummy one
3182 * (where the OUI part needs to be nonzero for
3183 * the BSSID to be accepted by POST_SCAN).
3185 bssid
= "\x01\x00\x00\x00\x00\x00";
3186 if (priv
->vif
!= NULL
)
3187 bssid
= MWL8K_VIF(priv
->vif
)->bssid
;
3189 mwl8k_cmd_set_post_scan(hw
, bssid
);
3194 * If FIF_ALLMULTI is being requested, throw away the command
3195 * packet that ->prepare_multicast() built and replace it with
3196 * a command packet that enables reception of all multicast
3199 if (*total_flags
& FIF_ALLMULTI
) {
3201 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 1, 0, NULL
);
3205 mwl8k_post_cmd(hw
, cmd
);
3209 mwl8k_fw_unlock(hw
);
3212 static int mwl8k_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
3214 return mwl8k_rts_threshold(hw
, MWL8K_CMD_SET
, value
);
3217 static int mwl8k_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
3218 const struct ieee80211_tx_queue_params
*params
)
3220 struct mwl8k_priv
*priv
= hw
->priv
;
3223 rc
= mwl8k_fw_lock(hw
);
3225 if (!priv
->wmm_enabled
)
3226 rc
= mwl8k_set_wmm(hw
, 1);
3229 rc
= mwl8k_set_edca_params(hw
, queue
,
3235 mwl8k_fw_unlock(hw
);
3241 static int mwl8k_get_tx_stats(struct ieee80211_hw
*hw
,
3242 struct ieee80211_tx_queue_stats
*stats
)
3244 struct mwl8k_priv
*priv
= hw
->priv
;
3245 struct mwl8k_tx_queue
*txq
;
3248 spin_lock_bh(&priv
->tx_lock
);
3249 for (index
= 0; index
< MWL8K_TX_QUEUES
; index
++) {
3250 txq
= priv
->txq
+ index
;
3251 memcpy(&stats
[index
], &txq
->stats
,
3252 sizeof(struct ieee80211_tx_queue_stats
));
3254 spin_unlock_bh(&priv
->tx_lock
);
3259 static int mwl8k_get_stats(struct ieee80211_hw
*hw
,
3260 struct ieee80211_low_level_stats
*stats
)
3262 return mwl8k_cmd_802_11_get_stat(hw
, stats
);
3265 static const struct ieee80211_ops mwl8k_ops
= {
3267 .start
= mwl8k_start
,
3269 .add_interface
= mwl8k_add_interface
,
3270 .remove_interface
= mwl8k_remove_interface
,
3271 .config
= mwl8k_config
,
3272 .bss_info_changed
= mwl8k_bss_info_changed
,
3273 .prepare_multicast
= mwl8k_prepare_multicast
,
3274 .configure_filter
= mwl8k_configure_filter
,
3275 .set_rts_threshold
= mwl8k_set_rts_threshold
,
3276 .conf_tx
= mwl8k_conf_tx
,
3277 .get_tx_stats
= mwl8k_get_tx_stats
,
3278 .get_stats
= mwl8k_get_stats
,
3281 static void mwl8k_tx_reclaim_handler(unsigned long data
)
3284 struct ieee80211_hw
*hw
= (struct ieee80211_hw
*) data
;
3285 struct mwl8k_priv
*priv
= hw
->priv
;
3287 spin_lock_bh(&priv
->tx_lock
);
3288 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3289 mwl8k_txq_reclaim(hw
, i
, 0);
3291 if (priv
->tx_wait
!= NULL
&& !priv
->pending_tx_pkts
) {
3292 complete(priv
->tx_wait
);
3293 priv
->tx_wait
= NULL
;
3295 spin_unlock_bh(&priv
->tx_lock
);
3298 static void mwl8k_finalize_join_worker(struct work_struct
*work
)
3300 struct mwl8k_priv
*priv
=
3301 container_of(work
, struct mwl8k_priv
, finalize_join_worker
);
3302 struct sk_buff
*skb
= priv
->beacon_skb
;
3303 u8 dtim
= MWL8K_VIF(priv
->vif
)->bss_info
.dtim_period
;
3305 mwl8k_finalize_join(priv
->hw
, skb
->data
, skb
->len
, dtim
);
3308 priv
->beacon_skb
= NULL
;
3316 static struct mwl8k_device_info mwl8k_info_tbl
[] __devinitdata
= {
3318 .part_name
= "88w8687",
3319 .helper_image
= "mwl8k/helper_8687.fw",
3320 .fw_image
= "mwl8k/fmimage_8687.fw",
3321 .rxd_ops
= &rxd_8687_ops
,
3322 .modes
= BIT(NL80211_IFTYPE_STATION
),
3325 .part_name
= "88w8366",
3326 .helper_image
= "mwl8k/helper_8366.fw",
3327 .fw_image
= "mwl8k/fmimage_8366.fw",
3328 .rxd_ops
= &rxd_8366_ops
,
3333 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table
) = {
3334 { PCI_VDEVICE(MARVELL
, 0x2a2b), .driver_data
= MWL8687
, },
3335 { PCI_VDEVICE(MARVELL
, 0x2a30), .driver_data
= MWL8687
, },
3336 { PCI_VDEVICE(MARVELL
, 0x2a40), .driver_data
= MWL8366
, },
3339 MODULE_DEVICE_TABLE(pci
, mwl8k_pci_id_table
);
3341 static int __devinit
mwl8k_probe(struct pci_dev
*pdev
,
3342 const struct pci_device_id
*id
)
3344 static int printed_version
= 0;
3345 struct ieee80211_hw
*hw
;
3346 struct mwl8k_priv
*priv
;
3350 if (!printed_version
) {
3351 printk(KERN_INFO
"%s version %s\n", MWL8K_DESC
, MWL8K_VERSION
);
3352 printed_version
= 1;
3355 rc
= pci_enable_device(pdev
);
3357 printk(KERN_ERR
"%s: Cannot enable new PCI device\n",
3362 rc
= pci_request_regions(pdev
, MWL8K_NAME
);
3364 printk(KERN_ERR
"%s: Cannot obtain PCI resources\n",
3369 pci_set_master(pdev
);
3371 hw
= ieee80211_alloc_hw(sizeof(*priv
), &mwl8k_ops
);
3373 printk(KERN_ERR
"%s: ieee80211 alloc failed\n", MWL8K_NAME
);
3381 priv
->device_info
= &mwl8k_info_tbl
[id
->driver_data
];
3382 priv
->rxd_ops
= priv
->device_info
->rxd_ops
;
3383 priv
->sniffer_enabled
= false;
3384 priv
->wmm_enabled
= false;
3385 priv
->pending_tx_pkts
= 0;
3387 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
3388 pci_set_drvdata(pdev
, hw
);
3390 priv
->sram
= pci_iomap(pdev
, 0, 0x10000);
3391 if (priv
->sram
== NULL
) {
3392 printk(KERN_ERR
"%s: Cannot map device SRAM\n",
3393 wiphy_name(hw
->wiphy
));
3398 * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
3399 * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
3401 priv
->regs
= pci_iomap(pdev
, 1, 0x10000);
3402 if (priv
->regs
== NULL
) {
3403 priv
->regs
= pci_iomap(pdev
, 2, 0x10000);
3404 if (priv
->regs
== NULL
) {
3405 printk(KERN_ERR
"%s: Cannot map device registers\n",
3406 wiphy_name(hw
->wiphy
));
3411 memcpy(priv
->channels
, mwl8k_channels
, sizeof(mwl8k_channels
));
3412 priv
->band
.band
= IEEE80211_BAND_2GHZ
;
3413 priv
->band
.channels
= priv
->channels
;
3414 priv
->band
.n_channels
= ARRAY_SIZE(mwl8k_channels
);
3415 priv
->band
.bitrates
= priv
->rates
;
3416 priv
->band
.n_bitrates
= ARRAY_SIZE(mwl8k_rates
);
3417 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
3419 BUILD_BUG_ON(sizeof(priv
->rates
) != sizeof(mwl8k_rates
));
3420 memcpy(priv
->rates
, mwl8k_rates
, sizeof(mwl8k_rates
));
3423 * Extra headroom is the size of the required DMA header
3424 * minus the size of the smallest 802.11 frame (CTS frame).
3426 hw
->extra_tx_headroom
=
3427 sizeof(struct mwl8k_dma_data
) - sizeof(struct ieee80211_cts
);
3429 hw
->channel_change_time
= 10;
3431 hw
->queues
= MWL8K_TX_QUEUES
;
3433 hw
->wiphy
->interface_modes
= priv
->device_info
->modes
;
3435 /* Set rssi and noise values to dBm */
3436 hw
->flags
|= IEEE80211_HW_SIGNAL_DBM
| IEEE80211_HW_NOISE_DBM
;
3437 hw
->vif_data_size
= sizeof(struct mwl8k_vif
);
3440 /* Set default radio state and preamble */
3442 priv
->radio_short_preamble
= 0;
3444 /* Finalize join worker */
3445 INIT_WORK(&priv
->finalize_join_worker
, mwl8k_finalize_join_worker
);
3447 /* TX reclaim tasklet */
3448 tasklet_init(&priv
->tx_reclaim_task
,
3449 mwl8k_tx_reclaim_handler
, (unsigned long)hw
);
3450 tasklet_disable(&priv
->tx_reclaim_task
);
3452 /* Power management cookie */
3453 priv
->cookie
= pci_alloc_consistent(priv
->pdev
, 4, &priv
->cookie_dma
);
3454 if (priv
->cookie
== NULL
)
3457 rc
= mwl8k_rxq_init(hw
, 0);
3460 rxq_refill(hw
, 0, INT_MAX
);
3462 mutex_init(&priv
->fw_mutex
);
3463 priv
->fw_mutex_owner
= NULL
;
3464 priv
->fw_mutex_depth
= 0;
3465 priv
->hostcmd_wait
= NULL
;
3467 spin_lock_init(&priv
->tx_lock
);
3469 priv
->tx_wait
= NULL
;
3471 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
3472 rc
= mwl8k_txq_init(hw
, i
);
3474 goto err_free_queues
;
3477 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3478 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3479 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL
);
3480 iowrite32(0xffffffff, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK
);
3482 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
3483 IRQF_SHARED
, MWL8K_NAME
, hw
);
3485 printk(KERN_ERR
"%s: failed to register IRQ handler\n",
3486 wiphy_name(hw
->wiphy
));
3487 goto err_free_queues
;
3490 /* Reset firmware and hardware */
3491 mwl8k_hw_reset(priv
);
3493 /* Ask userland hotplug daemon for the device firmware */
3494 rc
= mwl8k_request_firmware(priv
);
3496 printk(KERN_ERR
"%s: Firmware files not found\n",
3497 wiphy_name(hw
->wiphy
));
3501 /* Load firmware into hardware */
3502 rc
= mwl8k_load_firmware(hw
);
3504 printk(KERN_ERR
"%s: Cannot start firmware\n",
3505 wiphy_name(hw
->wiphy
));
3506 goto err_stop_firmware
;
3509 /* Reclaim memory once firmware is successfully loaded */
3510 mwl8k_release_firmware(priv
);
3513 * Temporarily enable interrupts. Initial firmware host
3514 * commands use interrupts and avoids polling. Disable
3515 * interrupts when done.
3517 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3519 /* Get config data, mac addrs etc */
3521 rc
= mwl8k_cmd_get_hw_spec_ap(hw
);
3523 rc
= mwl8k_cmd_set_hw_spec(hw
);
3525 rc
= mwl8k_cmd_get_hw_spec_sta(hw
);
3528 printk(KERN_ERR
"%s: Cannot initialise firmware\n",
3529 wiphy_name(hw
->wiphy
));
3530 goto err_stop_firmware
;
3533 /* Turn radio off */
3534 rc
= mwl8k_cmd_802_11_radio_disable(hw
);
3536 printk(KERN_ERR
"%s: Cannot disable\n", wiphy_name(hw
->wiphy
));
3537 goto err_stop_firmware
;
3540 /* Clear MAC address */
3541 rc
= mwl8k_set_mac_addr(hw
, "\x00\x00\x00\x00\x00\x00");
3543 printk(KERN_ERR
"%s: Cannot clear MAC address\n",
3544 wiphy_name(hw
->wiphy
));
3545 goto err_stop_firmware
;
3548 /* Disable interrupts */
3549 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3550 free_irq(priv
->pdev
->irq
, hw
);
3552 rc
= ieee80211_register_hw(hw
);
3554 printk(KERN_ERR
"%s: Cannot register device\n",
3555 wiphy_name(hw
->wiphy
));
3556 goto err_stop_firmware
;
3559 printk(KERN_INFO
"%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n",
3560 wiphy_name(hw
->wiphy
), priv
->device_info
->part_name
,
3561 priv
->hw_rev
, hw
->wiphy
->perm_addr
,
3562 priv
->ap_fw
? "AP" : "STA",
3563 (priv
->fw_rev
>> 24) & 0xff, (priv
->fw_rev
>> 16) & 0xff,
3564 (priv
->fw_rev
>> 8) & 0xff, priv
->fw_rev
& 0xff);
3569 mwl8k_hw_reset(priv
);
3570 mwl8k_release_firmware(priv
);
3573 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3574 free_irq(priv
->pdev
->irq
, hw
);
3577 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3578 mwl8k_txq_deinit(hw
, i
);
3579 mwl8k_rxq_deinit(hw
, 0);
3582 if (priv
->cookie
!= NULL
)
3583 pci_free_consistent(priv
->pdev
, 4,
3584 priv
->cookie
, priv
->cookie_dma
);
3586 if (priv
->regs
!= NULL
)
3587 pci_iounmap(pdev
, priv
->regs
);
3589 if (priv
->sram
!= NULL
)
3590 pci_iounmap(pdev
, priv
->sram
);
3592 pci_set_drvdata(pdev
, NULL
);
3593 ieee80211_free_hw(hw
);
3596 pci_release_regions(pdev
);
3597 pci_disable_device(pdev
);
3602 static void __devexit
mwl8k_shutdown(struct pci_dev
*pdev
)
3604 printk(KERN_ERR
"===>%s(%u)\n", __func__
, __LINE__
);
3607 static void __devexit
mwl8k_remove(struct pci_dev
*pdev
)
3609 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
3610 struct mwl8k_priv
*priv
;
3617 ieee80211_stop_queues(hw
);
3619 ieee80211_unregister_hw(hw
);
3621 /* Remove tx reclaim tasklet */
3622 tasklet_kill(&priv
->tx_reclaim_task
);
3625 mwl8k_hw_reset(priv
);
3627 /* Return all skbs to mac80211 */
3628 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3629 mwl8k_txq_reclaim(hw
, i
, 1);
3631 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3632 mwl8k_txq_deinit(hw
, i
);
3634 mwl8k_rxq_deinit(hw
, 0);
3636 pci_free_consistent(priv
->pdev
, 4, priv
->cookie
, priv
->cookie_dma
);
3638 pci_iounmap(pdev
, priv
->regs
);
3639 pci_iounmap(pdev
, priv
->sram
);
3640 pci_set_drvdata(pdev
, NULL
);
3641 ieee80211_free_hw(hw
);
3642 pci_release_regions(pdev
);
3643 pci_disable_device(pdev
);
3646 static struct pci_driver mwl8k_driver
= {
3648 .id_table
= mwl8k_pci_id_table
,
3649 .probe
= mwl8k_probe
,
3650 .remove
= __devexit_p(mwl8k_remove
),
3651 .shutdown
= __devexit_p(mwl8k_shutdown
),
3654 static int __init
mwl8k_init(void)
3656 return pci_register_driver(&mwl8k_driver
);
3659 static void __exit
mwl8k_exit(void)
3661 pci_unregister_driver(&mwl8k_driver
);
3664 module_init(mwl8k_init
);
3665 module_exit(mwl8k_exit
);
3667 MODULE_DESCRIPTION(MWL8K_DESC
);
3668 MODULE_VERSION(MWL8K_VERSION
);
3669 MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
3670 MODULE_LICENSE("GPL");