2 * drivers/net/wireless/mwl8k.c
3 * Driver for Marvell TOPDOG 802.11 Wireless cards
5 * Copyright (C) 2008, 2009, 2010 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 <linux/slab.h>
23 #include <net/mac80211.h>
24 #include <linux/moduleparam.h>
25 #include <linux/firmware.h>
26 #include <linux/workqueue.h>
28 #define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver"
29 #define MWL8K_NAME KBUILD_MODNAME
30 #define MWL8K_VERSION "0.12"
32 /* Module parameters */
33 static unsigned ap_mode_default
;
34 module_param(ap_mode_default
, bool, 0);
35 MODULE_PARM_DESC(ap_mode_default
,
36 "Set to 1 to make ap mode the default instead of sta mode");
38 /* Register definitions */
39 #define MWL8K_HIU_GEN_PTR 0x00000c10
40 #define MWL8K_MODE_STA 0x0000005a
41 #define MWL8K_MODE_AP 0x000000a5
42 #define MWL8K_HIU_INT_CODE 0x00000c14
43 #define MWL8K_FWSTA_READY 0xf0f1f2f4
44 #define MWL8K_FWAP_READY 0xf1f2f4a5
45 #define MWL8K_INT_CODE_CMD_FINISHED 0x00000005
46 #define MWL8K_HIU_SCRATCH 0x00000c40
48 /* Host->device communications */
49 #define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18
50 #define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c
51 #define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20
52 #define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24
53 #define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28
54 #define MWL8K_H2A_INT_DUMMY (1 << 20)
55 #define MWL8K_H2A_INT_RESET (1 << 15)
56 #define MWL8K_H2A_INT_DOORBELL (1 << 1)
57 #define MWL8K_H2A_INT_PPA_READY (1 << 0)
59 /* Device->host communications */
60 #define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c
61 #define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30
62 #define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34
63 #define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38
64 #define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c
65 #define MWL8K_A2H_INT_DUMMY (1 << 20)
66 #define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11)
67 #define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10)
68 #define MWL8K_A2H_INT_RADAR_DETECT (1 << 7)
69 #define MWL8K_A2H_INT_RADIO_ON (1 << 6)
70 #define MWL8K_A2H_INT_RADIO_OFF (1 << 5)
71 #define MWL8K_A2H_INT_MAC_EVENT (1 << 3)
72 #define MWL8K_A2H_INT_OPC_DONE (1 << 2)
73 #define MWL8K_A2H_INT_RX_READY (1 << 1)
74 #define MWL8K_A2H_INT_TX_DONE (1 << 0)
76 #define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \
77 MWL8K_A2H_INT_CHNL_SWITCHED | \
78 MWL8K_A2H_INT_QUEUE_EMPTY | \
79 MWL8K_A2H_INT_RADAR_DETECT | \
80 MWL8K_A2H_INT_RADIO_ON | \
81 MWL8K_A2H_INT_RADIO_OFF | \
82 MWL8K_A2H_INT_MAC_EVENT | \
83 MWL8K_A2H_INT_OPC_DONE | \
84 MWL8K_A2H_INT_RX_READY | \
85 MWL8K_A2H_INT_TX_DONE)
87 #define MWL8K_RX_QUEUES 1
88 #define MWL8K_TX_QUEUES 4
92 void (*rxd_init
)(void *rxd
, dma_addr_t next_dma_addr
);
93 void (*rxd_refill
)(void *rxd
, dma_addr_t addr
, int len
);
94 int (*rxd_process
)(void *rxd
, struct ieee80211_rx_status
*status
,
95 __le16
*qos
, s8
*noise
);
98 struct mwl8k_device_info
{
103 struct rxd_ops
*ap_rxd_ops
;
107 struct mwl8k_rx_queue
{
110 /* hw receives here */
113 /* refill descs here */
120 DEFINE_DMA_UNMAP_ADDR(dma
);
124 struct mwl8k_tx_queue
{
125 /* hw transmits here */
128 /* sw appends here */
132 struct mwl8k_tx_desc
*txd
;
134 struct sk_buff
**skb
;
138 struct ieee80211_hw
*hw
;
139 struct pci_dev
*pdev
;
141 struct mwl8k_device_info
*device_info
;
147 const struct firmware
*fw_helper
;
148 const struct firmware
*fw_ucode
;
150 /* hardware/firmware parameters */
152 struct rxd_ops
*rxd_ops
;
153 struct ieee80211_supported_band band_24
;
154 struct ieee80211_channel channels_24
[14];
155 struct ieee80211_rate rates_24
[14];
156 struct ieee80211_supported_band band_50
;
157 struct ieee80211_channel channels_50
[4];
158 struct ieee80211_rate rates_50
[9];
159 u32 ap_macids_supported
;
160 u32 sta_macids_supported
;
162 /* firmware access */
163 struct mutex fw_mutex
;
164 struct task_struct
*fw_mutex_owner
;
166 struct completion
*hostcmd_wait
;
168 /* lock held over TX and TX reap */
171 /* TX quiesce completion, protected by fw_mutex and tx_lock */
172 struct completion
*tx_wait
;
174 /* List of interfaces. */
176 struct list_head vif_list
;
178 /* power management status cookie from firmware */
180 dma_addr_t cookie_dma
;
187 * Running count of TX packets in flight, to avoid
188 * iterating over the transmit rings each time.
192 struct mwl8k_rx_queue rxq
[MWL8K_RX_QUEUES
];
193 struct mwl8k_tx_queue txq
[MWL8K_TX_QUEUES
];
196 bool radio_short_preamble
;
197 bool sniffer_enabled
;
200 /* XXX need to convert this to handle multiple interfaces */
202 u8 capture_bssid
[ETH_ALEN
];
203 struct sk_buff
*beacon_skb
;
206 * This FJ worker has to be global as it is scheduled from the
207 * RX handler. At this point we don't know which interface it
208 * belongs to until the list of bssids waiting to complete join
211 struct work_struct finalize_join_worker
;
213 /* Tasklet to perform TX reclaim. */
214 struct tasklet_struct poll_tx_task
;
216 /* Tasklet to perform RX. */
217 struct tasklet_struct poll_rx_task
;
219 /* Most recently reported noise in dBm */
223 * preserve the queue configurations so they can be restored if/when
224 * the firmware image is swapped.
226 struct ieee80211_tx_queue_params wmm_params
[MWL8K_TX_QUEUES
];
228 /* async firmware loading state */
232 struct completion firmware_loading_complete
;
235 #define MAX_WEP_KEY_LEN 13
236 #define NUM_WEP_KEYS 4
238 /* Per interface specific private data */
240 struct list_head list
;
241 struct ieee80211_vif
*vif
;
243 /* Firmware macid for this vif. */
246 /* Non AMPDU sequence number assigned by driver. */
252 u8 key
[sizeof(struct ieee80211_key_conf
) + MAX_WEP_KEY_LEN
];
253 } wep_key_conf
[NUM_WEP_KEYS
];
258 /* A flag to indicate is HW crypto is enabled for this bssid */
259 bool is_hw_crypto_enabled
;
261 #define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
262 #define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8))
265 /* Index into station database. Returned by UPDATE_STADB. */
268 #define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv))
270 static const struct ieee80211_channel mwl8k_channels_24
[] = {
271 { .center_freq
= 2412, .hw_value
= 1, },
272 { .center_freq
= 2417, .hw_value
= 2, },
273 { .center_freq
= 2422, .hw_value
= 3, },
274 { .center_freq
= 2427, .hw_value
= 4, },
275 { .center_freq
= 2432, .hw_value
= 5, },
276 { .center_freq
= 2437, .hw_value
= 6, },
277 { .center_freq
= 2442, .hw_value
= 7, },
278 { .center_freq
= 2447, .hw_value
= 8, },
279 { .center_freq
= 2452, .hw_value
= 9, },
280 { .center_freq
= 2457, .hw_value
= 10, },
281 { .center_freq
= 2462, .hw_value
= 11, },
282 { .center_freq
= 2467, .hw_value
= 12, },
283 { .center_freq
= 2472, .hw_value
= 13, },
284 { .center_freq
= 2484, .hw_value
= 14, },
287 static const struct ieee80211_rate mwl8k_rates_24
[] = {
288 { .bitrate
= 10, .hw_value
= 2, },
289 { .bitrate
= 20, .hw_value
= 4, },
290 { .bitrate
= 55, .hw_value
= 11, },
291 { .bitrate
= 110, .hw_value
= 22, },
292 { .bitrate
= 220, .hw_value
= 44, },
293 { .bitrate
= 60, .hw_value
= 12, },
294 { .bitrate
= 90, .hw_value
= 18, },
295 { .bitrate
= 120, .hw_value
= 24, },
296 { .bitrate
= 180, .hw_value
= 36, },
297 { .bitrate
= 240, .hw_value
= 48, },
298 { .bitrate
= 360, .hw_value
= 72, },
299 { .bitrate
= 480, .hw_value
= 96, },
300 { .bitrate
= 540, .hw_value
= 108, },
301 { .bitrate
= 720, .hw_value
= 144, },
304 static const struct ieee80211_channel mwl8k_channels_50
[] = {
305 { .center_freq
= 5180, .hw_value
= 36, },
306 { .center_freq
= 5200, .hw_value
= 40, },
307 { .center_freq
= 5220, .hw_value
= 44, },
308 { .center_freq
= 5240, .hw_value
= 48, },
311 static const struct ieee80211_rate mwl8k_rates_50
[] = {
312 { .bitrate
= 60, .hw_value
= 12, },
313 { .bitrate
= 90, .hw_value
= 18, },
314 { .bitrate
= 120, .hw_value
= 24, },
315 { .bitrate
= 180, .hw_value
= 36, },
316 { .bitrate
= 240, .hw_value
= 48, },
317 { .bitrate
= 360, .hw_value
= 72, },
318 { .bitrate
= 480, .hw_value
= 96, },
319 { .bitrate
= 540, .hw_value
= 108, },
320 { .bitrate
= 720, .hw_value
= 144, },
323 /* Set or get info from Firmware */
324 #define MWL8K_CMD_GET 0x0000
325 #define MWL8K_CMD_SET 0x0001
326 #define MWL8K_CMD_SET_LIST 0x0002
328 /* Firmware command codes */
329 #define MWL8K_CMD_CODE_DNLD 0x0001
330 #define MWL8K_CMD_GET_HW_SPEC 0x0003
331 #define MWL8K_CMD_SET_HW_SPEC 0x0004
332 #define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010
333 #define MWL8K_CMD_GET_STAT 0x0014
334 #define MWL8K_CMD_RADIO_CONTROL 0x001c
335 #define MWL8K_CMD_RF_TX_POWER 0x001e
336 #define MWL8K_CMD_TX_POWER 0x001f
337 #define MWL8K_CMD_RF_ANTENNA 0x0020
338 #define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */
339 #define MWL8K_CMD_SET_PRE_SCAN 0x0107
340 #define MWL8K_CMD_SET_POST_SCAN 0x0108
341 #define MWL8K_CMD_SET_RF_CHANNEL 0x010a
342 #define MWL8K_CMD_SET_AID 0x010d
343 #define MWL8K_CMD_SET_RATE 0x0110
344 #define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111
345 #define MWL8K_CMD_RTS_THRESHOLD 0x0113
346 #define MWL8K_CMD_SET_SLOT 0x0114
347 #define MWL8K_CMD_SET_EDCA_PARAMS 0x0115
348 #define MWL8K_CMD_SET_WMM_MODE 0x0123
349 #define MWL8K_CMD_MIMO_CONFIG 0x0125
350 #define MWL8K_CMD_USE_FIXED_RATE 0x0126
351 #define MWL8K_CMD_ENABLE_SNIFFER 0x0150
352 #define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */
353 #define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
354 #define MWL8K_CMD_BSS_START 0x1100 /* per-vif */
355 #define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */
356 #define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */
357 #define MWL8K_CMD_UPDATE_STADB 0x1123
359 static const char *mwl8k_cmd_name(__le16 cmd
, char *buf
, int bufsize
)
361 u16 command
= le16_to_cpu(cmd
);
363 #define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\
364 snprintf(buf, bufsize, "%s", #x);\
367 switch (command
& ~0x8000) {
368 MWL8K_CMDNAME(CODE_DNLD
);
369 MWL8K_CMDNAME(GET_HW_SPEC
);
370 MWL8K_CMDNAME(SET_HW_SPEC
);
371 MWL8K_CMDNAME(MAC_MULTICAST_ADR
);
372 MWL8K_CMDNAME(GET_STAT
);
373 MWL8K_CMDNAME(RADIO_CONTROL
);
374 MWL8K_CMDNAME(RF_TX_POWER
);
375 MWL8K_CMDNAME(TX_POWER
);
376 MWL8K_CMDNAME(RF_ANTENNA
);
377 MWL8K_CMDNAME(SET_BEACON
);
378 MWL8K_CMDNAME(SET_PRE_SCAN
);
379 MWL8K_CMDNAME(SET_POST_SCAN
);
380 MWL8K_CMDNAME(SET_RF_CHANNEL
);
381 MWL8K_CMDNAME(SET_AID
);
382 MWL8K_CMDNAME(SET_RATE
);
383 MWL8K_CMDNAME(SET_FINALIZE_JOIN
);
384 MWL8K_CMDNAME(RTS_THRESHOLD
);
385 MWL8K_CMDNAME(SET_SLOT
);
386 MWL8K_CMDNAME(SET_EDCA_PARAMS
);
387 MWL8K_CMDNAME(SET_WMM_MODE
);
388 MWL8K_CMDNAME(MIMO_CONFIG
);
389 MWL8K_CMDNAME(USE_FIXED_RATE
);
390 MWL8K_CMDNAME(ENABLE_SNIFFER
);
391 MWL8K_CMDNAME(SET_MAC_ADDR
);
392 MWL8K_CMDNAME(SET_RATEADAPT_MODE
);
393 MWL8K_CMDNAME(BSS_START
);
394 MWL8K_CMDNAME(SET_NEW_STN
);
395 MWL8K_CMDNAME(UPDATE_ENCRYPTION
);
396 MWL8K_CMDNAME(UPDATE_STADB
);
398 snprintf(buf
, bufsize
, "0x%x", cmd
);
405 /* Hardware and firmware reset */
406 static void mwl8k_hw_reset(struct mwl8k_priv
*priv
)
408 iowrite32(MWL8K_H2A_INT_RESET
,
409 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
410 iowrite32(MWL8K_H2A_INT_RESET
,
411 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
415 /* Release fw image */
416 static void mwl8k_release_fw(const struct firmware
**fw
)
420 release_firmware(*fw
);
424 static void mwl8k_release_firmware(struct mwl8k_priv
*priv
)
426 mwl8k_release_fw(&priv
->fw_ucode
);
427 mwl8k_release_fw(&priv
->fw_helper
);
430 /* states for asynchronous f/w loading */
431 static void mwl8k_fw_state_machine(const struct firmware
*fw
, void *context
);
434 FW_STATE_LOADING_PREF
,
435 FW_STATE_LOADING_ALT
,
439 /* Request fw image */
440 static int mwl8k_request_fw(struct mwl8k_priv
*priv
,
441 const char *fname
, const struct firmware
**fw
,
444 /* release current image */
446 mwl8k_release_fw(fw
);
449 return request_firmware_nowait(THIS_MODULE
, 1, fname
,
450 &priv
->pdev
->dev
, GFP_KERNEL
,
451 priv
, mwl8k_fw_state_machine
);
453 return request_firmware(fw
, fname
, &priv
->pdev
->dev
);
456 static int mwl8k_request_firmware(struct mwl8k_priv
*priv
, char *fw_image
,
459 struct mwl8k_device_info
*di
= priv
->device_info
;
462 if (di
->helper_image
!= NULL
) {
464 rc
= mwl8k_request_fw(priv
, di
->helper_image
,
465 &priv
->fw_helper
, true);
467 rc
= mwl8k_request_fw(priv
, di
->helper_image
,
468 &priv
->fw_helper
, false);
470 printk(KERN_ERR
"%s: Error requesting helper fw %s\n",
471 pci_name(priv
->pdev
), di
->helper_image
);
479 * if we get here, no helper image is needed. Skip the
480 * FW_STATE_INIT state.
482 priv
->fw_state
= FW_STATE_LOADING_PREF
;
483 rc
= mwl8k_request_fw(priv
, fw_image
,
487 rc
= mwl8k_request_fw(priv
, fw_image
,
488 &priv
->fw_ucode
, false);
490 printk(KERN_ERR
"%s: Error requesting firmware file %s\n",
491 pci_name(priv
->pdev
), fw_image
);
492 mwl8k_release_fw(&priv
->fw_helper
);
499 struct mwl8k_cmd_pkt
{
512 mwl8k_send_fw_load_cmd(struct mwl8k_priv
*priv
, void *data
, int length
)
514 void __iomem
*regs
= priv
->regs
;
518 dma_addr
= pci_map_single(priv
->pdev
, data
, length
, PCI_DMA_TODEVICE
);
519 if (pci_dma_mapping_error(priv
->pdev
, dma_addr
))
522 iowrite32(dma_addr
, regs
+ MWL8K_HIU_GEN_PTR
);
523 iowrite32(0, regs
+ MWL8K_HIU_INT_CODE
);
524 iowrite32(MWL8K_H2A_INT_DOORBELL
,
525 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
526 iowrite32(MWL8K_H2A_INT_DUMMY
,
527 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
533 int_code
= ioread32(regs
+ MWL8K_HIU_INT_CODE
);
534 if (int_code
== MWL8K_INT_CODE_CMD_FINISHED
) {
535 iowrite32(0, regs
+ MWL8K_HIU_INT_CODE
);
543 pci_unmap_single(priv
->pdev
, dma_addr
, length
, PCI_DMA_TODEVICE
);
545 return loops
? 0 : -ETIMEDOUT
;
548 static int mwl8k_load_fw_image(struct mwl8k_priv
*priv
,
549 const u8
*data
, size_t length
)
551 struct mwl8k_cmd_pkt
*cmd
;
555 cmd
= kmalloc(sizeof(*cmd
) + 256, GFP_KERNEL
);
559 cmd
->code
= cpu_to_le16(MWL8K_CMD_CODE_DNLD
);
566 int block_size
= length
> 256 ? 256 : length
;
568 memcpy(cmd
->payload
, data
+ done
, block_size
);
569 cmd
->length
= cpu_to_le16(block_size
);
571 rc
= mwl8k_send_fw_load_cmd(priv
, cmd
,
572 sizeof(*cmd
) + block_size
);
577 length
-= block_size
;
582 rc
= mwl8k_send_fw_load_cmd(priv
, cmd
, sizeof(*cmd
));
590 static int mwl8k_feed_fw_image(struct mwl8k_priv
*priv
,
591 const u8
*data
, size_t length
)
593 unsigned char *buffer
;
594 int may_continue
, rc
= 0;
595 u32 done
, prev_block_size
;
597 buffer
= kmalloc(1024, GFP_KERNEL
);
604 while (may_continue
> 0) {
607 block_size
= ioread32(priv
->regs
+ MWL8K_HIU_SCRATCH
);
608 if (block_size
& 1) {
612 done
+= prev_block_size
;
613 length
-= prev_block_size
;
616 if (block_size
> 1024 || block_size
> length
) {
626 if (block_size
== 0) {
633 prev_block_size
= block_size
;
634 memcpy(buffer
, data
+ done
, block_size
);
636 rc
= mwl8k_send_fw_load_cmd(priv
, buffer
, block_size
);
641 if (!rc
&& length
!= 0)
649 static int mwl8k_load_firmware(struct ieee80211_hw
*hw
)
651 struct mwl8k_priv
*priv
= hw
->priv
;
652 const struct firmware
*fw
= priv
->fw_ucode
;
656 if (!memcmp(fw
->data
, "\x01\x00\x00\x00", 4)) {
657 const struct firmware
*helper
= priv
->fw_helper
;
659 if (helper
== NULL
) {
660 printk(KERN_ERR
"%s: helper image needed but none "
661 "given\n", pci_name(priv
->pdev
));
665 rc
= mwl8k_load_fw_image(priv
, helper
->data
, helper
->size
);
667 printk(KERN_ERR
"%s: unable to load firmware "
668 "helper image\n", pci_name(priv
->pdev
));
673 rc
= mwl8k_feed_fw_image(priv
, fw
->data
, fw
->size
);
675 rc
= mwl8k_load_fw_image(priv
, fw
->data
, fw
->size
);
679 printk(KERN_ERR
"%s: unable to load firmware image\n",
680 pci_name(priv
->pdev
));
684 iowrite32(MWL8K_MODE_STA
, priv
->regs
+ MWL8K_HIU_GEN_PTR
);
690 ready_code
= ioread32(priv
->regs
+ MWL8K_HIU_INT_CODE
);
691 if (ready_code
== MWL8K_FWAP_READY
) {
694 } else if (ready_code
== MWL8K_FWSTA_READY
) {
703 return loops
? 0 : -ETIMEDOUT
;
707 /* DMA header used by firmware and hardware. */
708 struct mwl8k_dma_data
{
710 struct ieee80211_hdr wh
;
714 /* Routines to add/remove DMA header from skb. */
715 static inline void mwl8k_remove_dma_header(struct sk_buff
*skb
, __le16 qos
)
717 struct mwl8k_dma_data
*tr
;
720 tr
= (struct mwl8k_dma_data
*)skb
->data
;
721 hdrlen
= ieee80211_hdrlen(tr
->wh
.frame_control
);
723 if (hdrlen
!= sizeof(tr
->wh
)) {
724 if (ieee80211_is_data_qos(tr
->wh
.frame_control
)) {
725 memmove(tr
->data
- hdrlen
, &tr
->wh
, hdrlen
- 2);
726 *((__le16
*)(tr
->data
- 2)) = qos
;
728 memmove(tr
->data
- hdrlen
, &tr
->wh
, hdrlen
);
732 if (hdrlen
!= sizeof(*tr
))
733 skb_pull(skb
, sizeof(*tr
) - hdrlen
);
737 mwl8k_add_dma_header(struct sk_buff
*skb
, int tail_pad
)
739 struct ieee80211_hdr
*wh
;
742 struct mwl8k_dma_data
*tr
;
745 * Add a firmware DMA header; the firmware requires that we
746 * present a 2-byte payload length followed by a 4-address
747 * header (without QoS field), followed (optionally) by any
748 * WEP/ExtIV header (but only filled in for CCMP).
750 wh
= (struct ieee80211_hdr
*)skb
->data
;
752 hdrlen
= ieee80211_hdrlen(wh
->frame_control
);
753 reqd_hdrlen
= sizeof(*tr
);
755 if (hdrlen
!= reqd_hdrlen
)
756 skb_push(skb
, reqd_hdrlen
- hdrlen
);
758 if (ieee80211_is_data_qos(wh
->frame_control
))
759 hdrlen
-= IEEE80211_QOS_CTL_LEN
;
761 tr
= (struct mwl8k_dma_data
*)skb
->data
;
763 memmove(&tr
->wh
, wh
, hdrlen
);
764 if (hdrlen
!= sizeof(tr
->wh
))
765 memset(((void *)&tr
->wh
) + hdrlen
, 0, sizeof(tr
->wh
) - hdrlen
);
768 * Firmware length is the length of the fully formed "802.11
769 * payload". That is, everything except for the 802.11 header.
770 * This includes all crypto material including the MIC.
772 tr
->fwlen
= cpu_to_le16(skb
->len
- sizeof(*tr
) + tail_pad
);
775 static void mwl8k_encapsulate_tx_frame(struct sk_buff
*skb
)
777 struct ieee80211_hdr
*wh
;
778 struct ieee80211_tx_info
*tx_info
;
779 struct ieee80211_key_conf
*key_conf
;
782 wh
= (struct ieee80211_hdr
*)skb
->data
;
784 tx_info
= IEEE80211_SKB_CB(skb
);
787 if (ieee80211_is_data(wh
->frame_control
))
788 key_conf
= tx_info
->control
.hw_key
;
791 * Make sure the packet header is in the DMA header format (4-address
792 * without QoS), the necessary crypto padding between the header and the
793 * payload has already been provided by mac80211, but it doesn't add tail
794 * padding when HW crypto is enabled.
796 * We have the following trailer padding requirements:
797 * - WEP: 4 trailer bytes (ICV)
798 * - TKIP: 12 trailer bytes (8 MIC + 4 ICV)
799 * - CCMP: 8 trailer bytes (MIC)
802 if (key_conf
!= NULL
) {
803 switch (key_conf
->cipher
) {
804 case WLAN_CIPHER_SUITE_WEP40
:
805 case WLAN_CIPHER_SUITE_WEP104
:
808 case WLAN_CIPHER_SUITE_TKIP
:
811 case WLAN_CIPHER_SUITE_CCMP
:
816 mwl8k_add_dma_header(skb
, data_pad
);
820 * Packet reception for 88w8366 AP firmware.
822 struct mwl8k_rxd_8366_ap
{
826 __le32 pkt_phys_addr
;
827 __le32 next_rxd_phys_addr
;
831 __le32 hw_noise_floor_info
;
840 #define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80
841 #define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40
842 #define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f)
844 #define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80
846 /* 8366 AP rx_status bits */
847 #define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80
848 #define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF
849 #define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02
850 #define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04
851 #define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08
853 static void mwl8k_rxd_8366_ap_init(void *_rxd
, dma_addr_t next_dma_addr
)
855 struct mwl8k_rxd_8366_ap
*rxd
= _rxd
;
857 rxd
->next_rxd_phys_addr
= cpu_to_le32(next_dma_addr
);
858 rxd
->rx_ctrl
= MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST
;
861 static void mwl8k_rxd_8366_ap_refill(void *_rxd
, dma_addr_t addr
, int len
)
863 struct mwl8k_rxd_8366_ap
*rxd
= _rxd
;
865 rxd
->pkt_len
= cpu_to_le16(len
);
866 rxd
->pkt_phys_addr
= cpu_to_le32(addr
);
872 mwl8k_rxd_8366_ap_process(void *_rxd
, struct ieee80211_rx_status
*status
,
873 __le16
*qos
, s8
*noise
)
875 struct mwl8k_rxd_8366_ap
*rxd
= _rxd
;
877 if (!(rxd
->rx_ctrl
& MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST
))
881 memset(status
, 0, sizeof(*status
));
883 status
->signal
= -rxd
->rssi
;
884 *noise
= -rxd
->noise_floor
;
886 if (rxd
->rate
& MWL8K_8366_AP_RATE_INFO_MCS_FORMAT
) {
887 status
->flag
|= RX_FLAG_HT
;
888 if (rxd
->rate
& MWL8K_8366_AP_RATE_INFO_40MHZ
)
889 status
->flag
|= RX_FLAG_40MHZ
;
890 status
->rate_idx
= MWL8K_8366_AP_RATE_INFO_RATEID(rxd
->rate
);
894 for (i
= 0; i
< ARRAY_SIZE(mwl8k_rates_24
); i
++) {
895 if (mwl8k_rates_24
[i
].hw_value
== rxd
->rate
) {
896 status
->rate_idx
= i
;
902 if (rxd
->channel
> 14) {
903 status
->band
= IEEE80211_BAND_5GHZ
;
904 if (!(status
->flag
& RX_FLAG_HT
))
905 status
->rate_idx
-= 5;
907 status
->band
= IEEE80211_BAND_2GHZ
;
909 status
->freq
= ieee80211_channel_to_frequency(rxd
->channel
);
911 *qos
= rxd
->qos_control
;
913 if ((rxd
->rx_status
!= MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR
) &&
914 (rxd
->rx_status
& MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK
) &&
915 (rxd
->rx_status
& MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR
))
916 status
->flag
|= RX_FLAG_MMIC_ERROR
;
918 return le16_to_cpu(rxd
->pkt_len
);
921 static struct rxd_ops rxd_8366_ap_ops
= {
922 .rxd_size
= sizeof(struct mwl8k_rxd_8366_ap
),
923 .rxd_init
= mwl8k_rxd_8366_ap_init
,
924 .rxd_refill
= mwl8k_rxd_8366_ap_refill
,
925 .rxd_process
= mwl8k_rxd_8366_ap_process
,
929 * Packet reception for STA firmware.
931 struct mwl8k_rxd_sta
{
935 __le32 pkt_phys_addr
;
936 __le32 next_rxd_phys_addr
;
948 #define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000
949 #define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3)
950 #define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f)
951 #define MWL8K_STA_RATE_INFO_40MHZ 0x0004
952 #define MWL8K_STA_RATE_INFO_SHORTGI 0x0002
953 #define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001
955 #define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02
956 #define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04
958 #define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08
959 /* Key is uploaded only in failure case */
960 #define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30
962 static void mwl8k_rxd_sta_init(void *_rxd
, dma_addr_t next_dma_addr
)
964 struct mwl8k_rxd_sta
*rxd
= _rxd
;
966 rxd
->next_rxd_phys_addr
= cpu_to_le32(next_dma_addr
);
967 rxd
->rx_ctrl
= MWL8K_STA_RX_CTRL_OWNED_BY_HOST
;
970 static void mwl8k_rxd_sta_refill(void *_rxd
, dma_addr_t addr
, int len
)
972 struct mwl8k_rxd_sta
*rxd
= _rxd
;
974 rxd
->pkt_len
= cpu_to_le16(len
);
975 rxd
->pkt_phys_addr
= cpu_to_le32(addr
);
981 mwl8k_rxd_sta_process(void *_rxd
, struct ieee80211_rx_status
*status
,
982 __le16
*qos
, s8
*noise
)
984 struct mwl8k_rxd_sta
*rxd
= _rxd
;
987 if (!(rxd
->rx_ctrl
& MWL8K_STA_RX_CTRL_OWNED_BY_HOST
))
991 rate_info
= le16_to_cpu(rxd
->rate_info
);
993 memset(status
, 0, sizeof(*status
));
995 status
->signal
= -rxd
->rssi
;
996 *noise
= -rxd
->noise_level
;
997 status
->antenna
= MWL8K_STA_RATE_INFO_ANTSELECT(rate_info
);
998 status
->rate_idx
= MWL8K_STA_RATE_INFO_RATEID(rate_info
);
1000 if (rate_info
& MWL8K_STA_RATE_INFO_SHORTPRE
)
1001 status
->flag
|= RX_FLAG_SHORTPRE
;
1002 if (rate_info
& MWL8K_STA_RATE_INFO_40MHZ
)
1003 status
->flag
|= RX_FLAG_40MHZ
;
1004 if (rate_info
& MWL8K_STA_RATE_INFO_SHORTGI
)
1005 status
->flag
|= RX_FLAG_SHORT_GI
;
1006 if (rate_info
& MWL8K_STA_RATE_INFO_MCS_FORMAT
)
1007 status
->flag
|= RX_FLAG_HT
;
1009 if (rxd
->channel
> 14) {
1010 status
->band
= IEEE80211_BAND_5GHZ
;
1011 if (!(status
->flag
& RX_FLAG_HT
))
1012 status
->rate_idx
-= 5;
1014 status
->band
= IEEE80211_BAND_2GHZ
;
1016 status
->freq
= ieee80211_channel_to_frequency(rxd
->channel
);
1018 *qos
= rxd
->qos_control
;
1019 if ((rxd
->rx_ctrl
& MWL8K_STA_RX_CTRL_DECRYPT_ERROR
) &&
1020 (rxd
->rx_ctrl
& MWL8K_STA_RX_CTRL_DEC_ERR_TYPE
))
1021 status
->flag
|= RX_FLAG_MMIC_ERROR
;
1023 return le16_to_cpu(rxd
->pkt_len
);
1026 static struct rxd_ops rxd_sta_ops
= {
1027 .rxd_size
= sizeof(struct mwl8k_rxd_sta
),
1028 .rxd_init
= mwl8k_rxd_sta_init
,
1029 .rxd_refill
= mwl8k_rxd_sta_refill
,
1030 .rxd_process
= mwl8k_rxd_sta_process
,
1034 #define MWL8K_RX_DESCS 256
1035 #define MWL8K_RX_MAXSZ 3800
1037 static int mwl8k_rxq_init(struct ieee80211_hw
*hw
, int index
)
1039 struct mwl8k_priv
*priv
= hw
->priv
;
1040 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1048 size
= MWL8K_RX_DESCS
* priv
->rxd_ops
->rxd_size
;
1050 rxq
->rxd
= pci_alloc_consistent(priv
->pdev
, size
, &rxq
->rxd_dma
);
1051 if (rxq
->rxd
== NULL
) {
1052 wiphy_err(hw
->wiphy
, "failed to alloc RX descriptors\n");
1055 memset(rxq
->rxd
, 0, size
);
1057 rxq
->buf
= kmalloc(MWL8K_RX_DESCS
* sizeof(*rxq
->buf
), GFP_KERNEL
);
1058 if (rxq
->buf
== NULL
) {
1059 wiphy_err(hw
->wiphy
, "failed to alloc RX skbuff list\n");
1060 pci_free_consistent(priv
->pdev
, size
, rxq
->rxd
, rxq
->rxd_dma
);
1063 memset(rxq
->buf
, 0, MWL8K_RX_DESCS
* sizeof(*rxq
->buf
));
1065 for (i
= 0; i
< MWL8K_RX_DESCS
; i
++) {
1069 dma_addr_t next_dma_addr
;
1071 desc_size
= priv
->rxd_ops
->rxd_size
;
1072 rxd
= rxq
->rxd
+ (i
* priv
->rxd_ops
->rxd_size
);
1075 if (nexti
== MWL8K_RX_DESCS
)
1077 next_dma_addr
= rxq
->rxd_dma
+ (nexti
* desc_size
);
1079 priv
->rxd_ops
->rxd_init(rxd
, next_dma_addr
);
1085 static int rxq_refill(struct ieee80211_hw
*hw
, int index
, int limit
)
1087 struct mwl8k_priv
*priv
= hw
->priv
;
1088 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1092 while (rxq
->rxd_count
< MWL8K_RX_DESCS
&& limit
--) {
1093 struct sk_buff
*skb
;
1098 skb
= dev_alloc_skb(MWL8K_RX_MAXSZ
);
1102 addr
= pci_map_single(priv
->pdev
, skb
->data
,
1103 MWL8K_RX_MAXSZ
, DMA_FROM_DEVICE
);
1107 if (rxq
->tail
== MWL8K_RX_DESCS
)
1109 rxq
->buf
[rx
].skb
= skb
;
1110 dma_unmap_addr_set(&rxq
->buf
[rx
], dma
, addr
);
1112 rxd
= rxq
->rxd
+ (rx
* priv
->rxd_ops
->rxd_size
);
1113 priv
->rxd_ops
->rxd_refill(rxd
, addr
, MWL8K_RX_MAXSZ
);
1121 /* Must be called only when the card's reception is completely halted */
1122 static void mwl8k_rxq_deinit(struct ieee80211_hw
*hw
, int index
)
1124 struct mwl8k_priv
*priv
= hw
->priv
;
1125 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1128 for (i
= 0; i
< MWL8K_RX_DESCS
; i
++) {
1129 if (rxq
->buf
[i
].skb
!= NULL
) {
1130 pci_unmap_single(priv
->pdev
,
1131 dma_unmap_addr(&rxq
->buf
[i
], dma
),
1132 MWL8K_RX_MAXSZ
, PCI_DMA_FROMDEVICE
);
1133 dma_unmap_addr_set(&rxq
->buf
[i
], dma
, 0);
1135 kfree_skb(rxq
->buf
[i
].skb
);
1136 rxq
->buf
[i
].skb
= NULL
;
1143 pci_free_consistent(priv
->pdev
,
1144 MWL8K_RX_DESCS
* priv
->rxd_ops
->rxd_size
,
1145 rxq
->rxd
, rxq
->rxd_dma
);
1151 * Scan a list of BSSIDs to process for finalize join.
1152 * Allows for extension to process multiple BSSIDs.
1155 mwl8k_capture_bssid(struct mwl8k_priv
*priv
, struct ieee80211_hdr
*wh
)
1157 return priv
->capture_beacon
&&
1158 ieee80211_is_beacon(wh
->frame_control
) &&
1159 !compare_ether_addr(wh
->addr3
, priv
->capture_bssid
);
1162 static inline void mwl8k_save_beacon(struct ieee80211_hw
*hw
,
1163 struct sk_buff
*skb
)
1165 struct mwl8k_priv
*priv
= hw
->priv
;
1167 priv
->capture_beacon
= false;
1168 memset(priv
->capture_bssid
, 0, ETH_ALEN
);
1171 * Use GFP_ATOMIC as rxq_process is called from
1172 * the primary interrupt handler, memory allocation call
1175 priv
->beacon_skb
= skb_copy(skb
, GFP_ATOMIC
);
1176 if (priv
->beacon_skb
!= NULL
)
1177 ieee80211_queue_work(hw
, &priv
->finalize_join_worker
);
1180 static inline struct mwl8k_vif
*mwl8k_find_vif_bss(struct list_head
*vif_list
,
1183 struct mwl8k_vif
*mwl8k_vif
;
1185 list_for_each_entry(mwl8k_vif
,
1187 if (memcmp(bssid
, mwl8k_vif
->bssid
,
1195 static int rxq_process(struct ieee80211_hw
*hw
, int index
, int limit
)
1197 struct mwl8k_priv
*priv
= hw
->priv
;
1198 struct mwl8k_vif
*mwl8k_vif
= NULL
;
1199 struct mwl8k_rx_queue
*rxq
= priv
->rxq
+ index
;
1203 while (rxq
->rxd_count
&& limit
--) {
1204 struct sk_buff
*skb
;
1207 struct ieee80211_rx_status status
;
1208 struct ieee80211_hdr
*wh
;
1211 skb
= rxq
->buf
[rxq
->head
].skb
;
1215 rxd
= rxq
->rxd
+ (rxq
->head
* priv
->rxd_ops
->rxd_size
);
1217 pkt_len
= priv
->rxd_ops
->rxd_process(rxd
, &status
, &qos
,
1222 rxq
->buf
[rxq
->head
].skb
= NULL
;
1224 pci_unmap_single(priv
->pdev
,
1225 dma_unmap_addr(&rxq
->buf
[rxq
->head
], dma
),
1226 MWL8K_RX_MAXSZ
, PCI_DMA_FROMDEVICE
);
1227 dma_unmap_addr_set(&rxq
->buf
[rxq
->head
], dma
, 0);
1230 if (rxq
->head
== MWL8K_RX_DESCS
)
1235 wh
= &((struct mwl8k_dma_data
*)skb
->data
)->wh
;
1238 * Check for a pending join operation. Save a
1239 * copy of the beacon and schedule a tasklet to
1240 * send a FINALIZE_JOIN command to the firmware.
1242 if (mwl8k_capture_bssid(priv
, (void *)skb
->data
))
1243 mwl8k_save_beacon(hw
, skb
);
1245 if (ieee80211_has_protected(wh
->frame_control
)) {
1247 /* Check if hw crypto has been enabled for
1248 * this bss. If yes, set the status flags
1251 mwl8k_vif
= mwl8k_find_vif_bss(&priv
->vif_list
,
1254 if (mwl8k_vif
!= NULL
&&
1255 mwl8k_vif
->is_hw_crypto_enabled
== true) {
1257 * When MMIC ERROR is encountered
1258 * by the firmware, payload is
1259 * dropped and only 32 bytes of
1260 * mwl8k Firmware header is sent
1263 * We need to add four bytes of
1264 * key information. In it
1265 * MAC80211 expects keyidx set to
1266 * 0 for triggering Counter
1267 * Measure of MMIC failure.
1269 if (status
.flag
& RX_FLAG_MMIC_ERROR
) {
1270 struct mwl8k_dma_data
*tr
;
1271 tr
= (struct mwl8k_dma_data
*)skb
->data
;
1272 memset((void *)&(tr
->data
), 0, 4);
1276 if (!ieee80211_is_auth(wh
->frame_control
))
1277 status
.flag
|= RX_FLAG_IV_STRIPPED
|
1279 RX_FLAG_MMIC_STRIPPED
;
1283 skb_put(skb
, pkt_len
);
1284 mwl8k_remove_dma_header(skb
, qos
);
1285 memcpy(IEEE80211_SKB_RXCB(skb
), &status
, sizeof(status
));
1286 ieee80211_rx_irqsafe(hw
, skb
);
1296 * Packet transmission.
1299 #define MWL8K_TXD_STATUS_OK 0x00000001
1300 #define MWL8K_TXD_STATUS_OK_RETRY 0x00000002
1301 #define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004
1302 #define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008
1303 #define MWL8K_TXD_STATUS_FW_OWNED 0x80000000
1305 #define MWL8K_QOS_QLEN_UNSPEC 0xff00
1306 #define MWL8K_QOS_ACK_POLICY_MASK 0x0060
1307 #define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000
1308 #define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060
1309 #define MWL8K_QOS_EOSP 0x0010
1311 struct mwl8k_tx_desc
{
1316 __le32 pkt_phys_addr
;
1318 __u8 dest_MAC_addr
[ETH_ALEN
];
1319 __le32 next_txd_phys_addr
;
1326 #define MWL8K_TX_DESCS 128
1328 static int mwl8k_txq_init(struct ieee80211_hw
*hw
, int index
)
1330 struct mwl8k_priv
*priv
= hw
->priv
;
1331 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1339 size
= MWL8K_TX_DESCS
* sizeof(struct mwl8k_tx_desc
);
1341 txq
->txd
= pci_alloc_consistent(priv
->pdev
, size
, &txq
->txd_dma
);
1342 if (txq
->txd
== NULL
) {
1343 wiphy_err(hw
->wiphy
, "failed to alloc TX descriptors\n");
1346 memset(txq
->txd
, 0, size
);
1348 txq
->skb
= kmalloc(MWL8K_TX_DESCS
* sizeof(*txq
->skb
), GFP_KERNEL
);
1349 if (txq
->skb
== NULL
) {
1350 wiphy_err(hw
->wiphy
, "failed to alloc TX skbuff list\n");
1351 pci_free_consistent(priv
->pdev
, size
, txq
->txd
, txq
->txd_dma
);
1354 memset(txq
->skb
, 0, MWL8K_TX_DESCS
* sizeof(*txq
->skb
));
1356 for (i
= 0; i
< MWL8K_TX_DESCS
; i
++) {
1357 struct mwl8k_tx_desc
*tx_desc
;
1360 tx_desc
= txq
->txd
+ i
;
1361 nexti
= (i
+ 1) % MWL8K_TX_DESCS
;
1363 tx_desc
->status
= 0;
1364 tx_desc
->next_txd_phys_addr
=
1365 cpu_to_le32(txq
->txd_dma
+ nexti
* sizeof(*tx_desc
));
1371 static inline void mwl8k_tx_start(struct mwl8k_priv
*priv
)
1373 iowrite32(MWL8K_H2A_INT_PPA_READY
,
1374 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1375 iowrite32(MWL8K_H2A_INT_DUMMY
,
1376 priv
->regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1377 ioread32(priv
->regs
+ MWL8K_HIU_INT_CODE
);
1380 static void mwl8k_dump_tx_rings(struct ieee80211_hw
*hw
)
1382 struct mwl8k_priv
*priv
= hw
->priv
;
1385 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
1386 struct mwl8k_tx_queue
*txq
= priv
->txq
+ i
;
1392 for (desc
= 0; desc
< MWL8K_TX_DESCS
; desc
++) {
1393 struct mwl8k_tx_desc
*tx_desc
= txq
->txd
+ desc
;
1396 status
= le32_to_cpu(tx_desc
->status
);
1397 if (status
& MWL8K_TXD_STATUS_FW_OWNED
)
1402 if (tx_desc
->pkt_len
== 0)
1406 wiphy_err(hw
->wiphy
,
1407 "txq[%d] len=%d head=%d tail=%d "
1408 "fw_owned=%d drv_owned=%d unused=%d\n",
1410 txq
->len
, txq
->head
, txq
->tail
,
1411 fw_owned
, drv_owned
, unused
);
1416 * Must be called with priv->fw_mutex held and tx queues stopped.
1418 #define MWL8K_TX_WAIT_TIMEOUT_MS 5000
1420 static int mwl8k_tx_wait_empty(struct ieee80211_hw
*hw
)
1422 struct mwl8k_priv
*priv
= hw
->priv
;
1423 DECLARE_COMPLETION_ONSTACK(tx_wait
);
1430 * The TX queues are stopped at this point, so this test
1431 * doesn't need to take ->tx_lock.
1433 if (!priv
->pending_tx_pkts
)
1439 spin_lock_bh(&priv
->tx_lock
);
1440 priv
->tx_wait
= &tx_wait
;
1443 unsigned long timeout
;
1445 oldcount
= priv
->pending_tx_pkts
;
1447 spin_unlock_bh(&priv
->tx_lock
);
1448 timeout
= wait_for_completion_timeout(&tx_wait
,
1449 msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS
));
1450 spin_lock_bh(&priv
->tx_lock
);
1453 WARN_ON(priv
->pending_tx_pkts
);
1455 wiphy_notice(hw
->wiphy
, "tx rings drained\n");
1460 if (priv
->pending_tx_pkts
< oldcount
) {
1461 wiphy_notice(hw
->wiphy
,
1462 "waiting for tx rings to drain (%d -> %d pkts)\n",
1463 oldcount
, priv
->pending_tx_pkts
);
1468 priv
->tx_wait
= NULL
;
1470 wiphy_err(hw
->wiphy
, "tx rings stuck for %d ms\n",
1471 MWL8K_TX_WAIT_TIMEOUT_MS
);
1472 mwl8k_dump_tx_rings(hw
);
1476 spin_unlock_bh(&priv
->tx_lock
);
1481 #define MWL8K_TXD_SUCCESS(status) \
1482 ((status) & (MWL8K_TXD_STATUS_OK | \
1483 MWL8K_TXD_STATUS_OK_RETRY | \
1484 MWL8K_TXD_STATUS_OK_MORE_RETRY))
1487 mwl8k_txq_reclaim(struct ieee80211_hw
*hw
, int index
, int limit
, int force
)
1489 struct mwl8k_priv
*priv
= hw
->priv
;
1490 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1494 while (txq
->len
> 0 && limit
--) {
1496 struct mwl8k_tx_desc
*tx_desc
;
1499 struct sk_buff
*skb
;
1500 struct ieee80211_tx_info
*info
;
1504 tx_desc
= txq
->txd
+ tx
;
1506 status
= le32_to_cpu(tx_desc
->status
);
1508 if (status
& MWL8K_TXD_STATUS_FW_OWNED
) {
1512 ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
);
1515 txq
->head
= (tx
+ 1) % MWL8K_TX_DESCS
;
1516 BUG_ON(txq
->len
== 0);
1518 priv
->pending_tx_pkts
--;
1520 addr
= le32_to_cpu(tx_desc
->pkt_phys_addr
);
1521 size
= le16_to_cpu(tx_desc
->pkt_len
);
1523 txq
->skb
[tx
] = NULL
;
1525 BUG_ON(skb
== NULL
);
1526 pci_unmap_single(priv
->pdev
, addr
, size
, PCI_DMA_TODEVICE
);
1528 mwl8k_remove_dma_header(skb
, tx_desc
->qos_control
);
1530 /* Mark descriptor as unused */
1531 tx_desc
->pkt_phys_addr
= 0;
1532 tx_desc
->pkt_len
= 0;
1534 info
= IEEE80211_SKB_CB(skb
);
1535 ieee80211_tx_info_clear_status(info
);
1536 if (MWL8K_TXD_SUCCESS(status
))
1537 info
->flags
|= IEEE80211_TX_STAT_ACK
;
1539 ieee80211_tx_status_irqsafe(hw
, skb
);
1544 if (processed
&& priv
->radio_on
&& !mutex_is_locked(&priv
->fw_mutex
))
1545 ieee80211_wake_queue(hw
, index
);
1550 /* must be called only when the card's transmit is completely halted */
1551 static void mwl8k_txq_deinit(struct ieee80211_hw
*hw
, int index
)
1553 struct mwl8k_priv
*priv
= hw
->priv
;
1554 struct mwl8k_tx_queue
*txq
= priv
->txq
+ index
;
1556 mwl8k_txq_reclaim(hw
, index
, INT_MAX
, 1);
1561 pci_free_consistent(priv
->pdev
,
1562 MWL8K_TX_DESCS
* sizeof(struct mwl8k_tx_desc
),
1563 txq
->txd
, txq
->txd_dma
);
1568 mwl8k_txq_xmit(struct ieee80211_hw
*hw
, int index
, struct sk_buff
*skb
)
1570 struct mwl8k_priv
*priv
= hw
->priv
;
1571 struct ieee80211_tx_info
*tx_info
;
1572 struct mwl8k_vif
*mwl8k_vif
;
1573 struct ieee80211_hdr
*wh
;
1574 struct mwl8k_tx_queue
*txq
;
1575 struct mwl8k_tx_desc
*tx
;
1581 wh
= (struct ieee80211_hdr
*)skb
->data
;
1582 if (ieee80211_is_data_qos(wh
->frame_control
))
1583 qos
= le16_to_cpu(*((__le16
*)ieee80211_get_qos_ctl(wh
)));
1588 mwl8k_encapsulate_tx_frame(skb
);
1590 mwl8k_add_dma_header(skb
, 0);
1592 wh
= &((struct mwl8k_dma_data
*)skb
->data
)->wh
;
1594 tx_info
= IEEE80211_SKB_CB(skb
);
1595 mwl8k_vif
= MWL8K_VIF(tx_info
->control
.vif
);
1597 if (tx_info
->flags
& IEEE80211_TX_CTL_ASSIGN_SEQ
) {
1598 wh
->seq_ctrl
&= cpu_to_le16(IEEE80211_SCTL_FRAG
);
1599 wh
->seq_ctrl
|= cpu_to_le16(mwl8k_vif
->seqno
);
1600 mwl8k_vif
->seqno
+= 0x10;
1603 /* Setup firmware control bit fields for each frame type. */
1606 if (ieee80211_is_mgmt(wh
->frame_control
) ||
1607 ieee80211_is_ctl(wh
->frame_control
)) {
1609 qos
|= MWL8K_QOS_QLEN_UNSPEC
| MWL8K_QOS_EOSP
;
1610 } else if (ieee80211_is_data(wh
->frame_control
)) {
1612 if (is_multicast_ether_addr(wh
->addr1
))
1613 txstatus
|= MWL8K_TXD_STATUS_MULTICAST_TX
;
1615 qos
&= ~MWL8K_QOS_ACK_POLICY_MASK
;
1616 if (tx_info
->flags
& IEEE80211_TX_CTL_AMPDU
)
1617 qos
|= MWL8K_QOS_ACK_POLICY_BLOCKACK
;
1619 qos
|= MWL8K_QOS_ACK_POLICY_NORMAL
;
1622 dma
= pci_map_single(priv
->pdev
, skb
->data
,
1623 skb
->len
, PCI_DMA_TODEVICE
);
1625 if (pci_dma_mapping_error(priv
->pdev
, dma
)) {
1626 wiphy_debug(hw
->wiphy
,
1627 "failed to dma map skb, dropping TX frame.\n");
1629 return NETDEV_TX_OK
;
1632 spin_lock_bh(&priv
->tx_lock
);
1634 txq
= priv
->txq
+ index
;
1636 BUG_ON(txq
->skb
[txq
->tail
] != NULL
);
1637 txq
->skb
[txq
->tail
] = skb
;
1639 tx
= txq
->txd
+ txq
->tail
;
1640 tx
->data_rate
= txdatarate
;
1641 tx
->tx_priority
= index
;
1642 tx
->qos_control
= cpu_to_le16(qos
);
1643 tx
->pkt_phys_addr
= cpu_to_le32(dma
);
1644 tx
->pkt_len
= cpu_to_le16(skb
->len
);
1646 if (!priv
->ap_fw
&& tx_info
->control
.sta
!= NULL
)
1647 tx
->peer_id
= MWL8K_STA(tx_info
->control
.sta
)->peer_id
;
1651 tx
->status
= cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED
| txstatus
);
1654 priv
->pending_tx_pkts
++;
1657 if (txq
->tail
== MWL8K_TX_DESCS
)
1660 if (txq
->head
== txq
->tail
)
1661 ieee80211_stop_queue(hw
, index
);
1663 mwl8k_tx_start(priv
);
1665 spin_unlock_bh(&priv
->tx_lock
);
1667 return NETDEV_TX_OK
;
1674 * We have the following requirements for issuing firmware commands:
1675 * - Some commands require that the packet transmit path is idle when
1676 * the command is issued. (For simplicity, we'll just quiesce the
1677 * transmit path for every command.)
1678 * - There are certain sequences of commands that need to be issued to
1679 * the hardware sequentially, with no other intervening commands.
1681 * This leads to an implementation of a "firmware lock" as a mutex that
1682 * can be taken recursively, and which is taken by both the low-level
1683 * command submission function (mwl8k_post_cmd) as well as any users of
1684 * that function that require issuing of an atomic sequence of commands,
1685 * and quiesces the transmit path whenever it's taken.
1687 static int mwl8k_fw_lock(struct ieee80211_hw
*hw
)
1689 struct mwl8k_priv
*priv
= hw
->priv
;
1691 if (priv
->fw_mutex_owner
!= current
) {
1694 mutex_lock(&priv
->fw_mutex
);
1695 ieee80211_stop_queues(hw
);
1697 rc
= mwl8k_tx_wait_empty(hw
);
1699 ieee80211_wake_queues(hw
);
1700 mutex_unlock(&priv
->fw_mutex
);
1705 priv
->fw_mutex_owner
= current
;
1708 priv
->fw_mutex_depth
++;
1713 static void mwl8k_fw_unlock(struct ieee80211_hw
*hw
)
1715 struct mwl8k_priv
*priv
= hw
->priv
;
1717 if (!--priv
->fw_mutex_depth
) {
1718 ieee80211_wake_queues(hw
);
1719 priv
->fw_mutex_owner
= NULL
;
1720 mutex_unlock(&priv
->fw_mutex
);
1726 * Command processing.
1729 /* Timeout firmware commands after 10s */
1730 #define MWL8K_CMD_TIMEOUT_MS 10000
1732 static int mwl8k_post_cmd(struct ieee80211_hw
*hw
, struct mwl8k_cmd_pkt
*cmd
)
1734 DECLARE_COMPLETION_ONSTACK(cmd_wait
);
1735 struct mwl8k_priv
*priv
= hw
->priv
;
1736 void __iomem
*regs
= priv
->regs
;
1737 dma_addr_t dma_addr
;
1738 unsigned int dma_size
;
1740 unsigned long timeout
= 0;
1743 cmd
->result
= (__force __le16
) 0xffff;
1744 dma_size
= le16_to_cpu(cmd
->length
);
1745 dma_addr
= pci_map_single(priv
->pdev
, cmd
, dma_size
,
1746 PCI_DMA_BIDIRECTIONAL
);
1747 if (pci_dma_mapping_error(priv
->pdev
, dma_addr
))
1750 rc
= mwl8k_fw_lock(hw
);
1752 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1753 PCI_DMA_BIDIRECTIONAL
);
1757 priv
->hostcmd_wait
= &cmd_wait
;
1758 iowrite32(dma_addr
, regs
+ MWL8K_HIU_GEN_PTR
);
1759 iowrite32(MWL8K_H2A_INT_DOORBELL
,
1760 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1761 iowrite32(MWL8K_H2A_INT_DUMMY
,
1762 regs
+ MWL8K_HIU_H2A_INTERRUPT_EVENTS
);
1764 timeout
= wait_for_completion_timeout(&cmd_wait
,
1765 msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS
));
1767 priv
->hostcmd_wait
= NULL
;
1769 mwl8k_fw_unlock(hw
);
1771 pci_unmap_single(priv
->pdev
, dma_addr
, dma_size
,
1772 PCI_DMA_BIDIRECTIONAL
);
1775 wiphy_err(hw
->wiphy
, "Command %s timeout after %u ms\n",
1776 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1777 MWL8K_CMD_TIMEOUT_MS
);
1782 ms
= MWL8K_CMD_TIMEOUT_MS
- jiffies_to_msecs(timeout
);
1784 rc
= cmd
->result
? -EINVAL
: 0;
1786 wiphy_err(hw
->wiphy
, "Command %s error 0x%x\n",
1787 mwl8k_cmd_name(cmd
->code
, buf
, sizeof(buf
)),
1788 le16_to_cpu(cmd
->result
));
1790 wiphy_notice(hw
->wiphy
, "Command %s took %d ms\n",
1791 mwl8k_cmd_name(cmd
->code
,
1799 static int mwl8k_post_pervif_cmd(struct ieee80211_hw
*hw
,
1800 struct ieee80211_vif
*vif
,
1801 struct mwl8k_cmd_pkt
*cmd
)
1804 cmd
->macid
= MWL8K_VIF(vif
)->macid
;
1805 return mwl8k_post_cmd(hw
, cmd
);
1809 * Setup code shared between STA and AP firmware images.
1811 static void mwl8k_setup_2ghz_band(struct ieee80211_hw
*hw
)
1813 struct mwl8k_priv
*priv
= hw
->priv
;
1815 BUILD_BUG_ON(sizeof(priv
->channels_24
) != sizeof(mwl8k_channels_24
));
1816 memcpy(priv
->channels_24
, mwl8k_channels_24
, sizeof(mwl8k_channels_24
));
1818 BUILD_BUG_ON(sizeof(priv
->rates_24
) != sizeof(mwl8k_rates_24
));
1819 memcpy(priv
->rates_24
, mwl8k_rates_24
, sizeof(mwl8k_rates_24
));
1821 priv
->band_24
.band
= IEEE80211_BAND_2GHZ
;
1822 priv
->band_24
.channels
= priv
->channels_24
;
1823 priv
->band_24
.n_channels
= ARRAY_SIZE(mwl8k_channels_24
);
1824 priv
->band_24
.bitrates
= priv
->rates_24
;
1825 priv
->band_24
.n_bitrates
= ARRAY_SIZE(mwl8k_rates_24
);
1827 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band_24
;
1830 static void mwl8k_setup_5ghz_band(struct ieee80211_hw
*hw
)
1832 struct mwl8k_priv
*priv
= hw
->priv
;
1834 BUILD_BUG_ON(sizeof(priv
->channels_50
) != sizeof(mwl8k_channels_50
));
1835 memcpy(priv
->channels_50
, mwl8k_channels_50
, sizeof(mwl8k_channels_50
));
1837 BUILD_BUG_ON(sizeof(priv
->rates_50
) != sizeof(mwl8k_rates_50
));
1838 memcpy(priv
->rates_50
, mwl8k_rates_50
, sizeof(mwl8k_rates_50
));
1840 priv
->band_50
.band
= IEEE80211_BAND_5GHZ
;
1841 priv
->band_50
.channels
= priv
->channels_50
;
1842 priv
->band_50
.n_channels
= ARRAY_SIZE(mwl8k_channels_50
);
1843 priv
->band_50
.bitrates
= priv
->rates_50
;
1844 priv
->band_50
.n_bitrates
= ARRAY_SIZE(mwl8k_rates_50
);
1846 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &priv
->band_50
;
1850 * CMD_GET_HW_SPEC (STA version).
1852 struct mwl8k_cmd_get_hw_spec_sta
{
1853 struct mwl8k_cmd_pkt header
;
1855 __u8 host_interface
;
1857 __u8 perm_addr
[ETH_ALEN
];
1862 __u8 mcs_bitmap
[16];
1863 __le32 rx_queue_ptr
;
1864 __le32 num_tx_queues
;
1865 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
1867 __le32 num_tx_desc_per_queue
;
1871 #define MWL8K_CAP_MAX_AMSDU 0x20000000
1872 #define MWL8K_CAP_GREENFIELD 0x08000000
1873 #define MWL8K_CAP_AMPDU 0x04000000
1874 #define MWL8K_CAP_RX_STBC 0x01000000
1875 #define MWL8K_CAP_TX_STBC 0x00800000
1876 #define MWL8K_CAP_SHORTGI_40MHZ 0x00400000
1877 #define MWL8K_CAP_SHORTGI_20MHZ 0x00200000
1878 #define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000
1879 #define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000
1880 #define MWL8K_CAP_DELAY_BA 0x00003000
1881 #define MWL8K_CAP_MIMO 0x00000200
1882 #define MWL8K_CAP_40MHZ 0x00000100
1883 #define MWL8K_CAP_BAND_MASK 0x00000007
1884 #define MWL8K_CAP_5GHZ 0x00000004
1885 #define MWL8K_CAP_2GHZ4 0x00000001
1888 mwl8k_set_ht_caps(struct ieee80211_hw
*hw
,
1889 struct ieee80211_supported_band
*band
, u32 cap
)
1894 band
->ht_cap
.ht_supported
= 1;
1896 if (cap
& MWL8K_CAP_MAX_AMSDU
)
1897 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_MAX_AMSDU
;
1898 if (cap
& MWL8K_CAP_GREENFIELD
)
1899 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_GRN_FLD
;
1900 if (cap
& MWL8K_CAP_AMPDU
) {
1901 hw
->flags
|= IEEE80211_HW_AMPDU_AGGREGATION
;
1902 band
->ht_cap
.ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
1903 band
->ht_cap
.ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
1905 if (cap
& MWL8K_CAP_RX_STBC
)
1906 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_RX_STBC
;
1907 if (cap
& MWL8K_CAP_TX_STBC
)
1908 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_TX_STBC
;
1909 if (cap
& MWL8K_CAP_SHORTGI_40MHZ
)
1910 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_SGI_40
;
1911 if (cap
& MWL8K_CAP_SHORTGI_20MHZ
)
1912 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_SGI_20
;
1913 if (cap
& MWL8K_CAP_DELAY_BA
)
1914 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_DELAY_BA
;
1915 if (cap
& MWL8K_CAP_40MHZ
)
1916 band
->ht_cap
.cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1918 rx_streams
= hweight32(cap
& MWL8K_CAP_RX_ANTENNA_MASK
);
1919 tx_streams
= hweight32(cap
& MWL8K_CAP_TX_ANTENNA_MASK
);
1921 band
->ht_cap
.mcs
.rx_mask
[0] = 0xff;
1922 if (rx_streams
>= 2)
1923 band
->ht_cap
.mcs
.rx_mask
[1] = 0xff;
1924 if (rx_streams
>= 3)
1925 band
->ht_cap
.mcs
.rx_mask
[2] = 0xff;
1926 band
->ht_cap
.mcs
.rx_mask
[4] = 0x01;
1927 band
->ht_cap
.mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
1929 if (rx_streams
!= tx_streams
) {
1930 band
->ht_cap
.mcs
.tx_params
|= IEEE80211_HT_MCS_TX_RX_DIFF
;
1931 band
->ht_cap
.mcs
.tx_params
|= (tx_streams
- 1) <<
1932 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT
;
1937 mwl8k_set_caps(struct ieee80211_hw
*hw
, u32 caps
)
1939 struct mwl8k_priv
*priv
= hw
->priv
;
1941 if ((caps
& MWL8K_CAP_2GHZ4
) || !(caps
& MWL8K_CAP_BAND_MASK
)) {
1942 mwl8k_setup_2ghz_band(hw
);
1943 if (caps
& MWL8K_CAP_MIMO
)
1944 mwl8k_set_ht_caps(hw
, &priv
->band_24
, caps
);
1947 if (caps
& MWL8K_CAP_5GHZ
) {
1948 mwl8k_setup_5ghz_band(hw
);
1949 if (caps
& MWL8K_CAP_MIMO
)
1950 mwl8k_set_ht_caps(hw
, &priv
->band_50
, caps
);
1954 static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw
*hw
)
1956 struct mwl8k_priv
*priv
= hw
->priv
;
1957 struct mwl8k_cmd_get_hw_spec_sta
*cmd
;
1961 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
1965 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
1966 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
1968 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
1969 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
1970 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
1971 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
1972 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
1973 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
1974 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
1975 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
1977 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
1980 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
1981 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
1982 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
1983 priv
->hw_rev
= cmd
->hw_rev
;
1984 mwl8k_set_caps(hw
, le32_to_cpu(cmd
->caps
));
1985 priv
->ap_macids_supported
= 0x00000000;
1986 priv
->sta_macids_supported
= 0x00000001;
1994 * CMD_GET_HW_SPEC (AP version).
1996 struct mwl8k_cmd_get_hw_spec_ap
{
1997 struct mwl8k_cmd_pkt header
;
1999 __u8 host_interface
;
2002 __u8 perm_addr
[ETH_ALEN
];
2013 __le32 fw_api_version
;
2016 static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw
*hw
)
2018 struct mwl8k_priv
*priv
= hw
->priv
;
2019 struct mwl8k_cmd_get_hw_spec_ap
*cmd
;
2023 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2027 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_HW_SPEC
);
2028 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2030 memset(cmd
->perm_addr
, 0xff, sizeof(cmd
->perm_addr
));
2031 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
2033 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2038 api_version
= le32_to_cpu(cmd
->fw_api_version
);
2039 if (priv
->device_info
->fw_api_ap
!= api_version
) {
2040 printk(KERN_ERR
"%s: Unsupported fw API version for %s."
2041 " Expected %d got %d.\n", MWL8K_NAME
,
2042 priv
->device_info
->part_name
,
2043 priv
->device_info
->fw_api_ap
,
2048 SET_IEEE80211_PERM_ADDR(hw
, cmd
->perm_addr
);
2049 priv
->num_mcaddrs
= le16_to_cpu(cmd
->num_mcaddrs
);
2050 priv
->fw_rev
= le32_to_cpu(cmd
->fw_rev
);
2051 priv
->hw_rev
= cmd
->hw_rev
;
2052 mwl8k_setup_2ghz_band(hw
);
2053 priv
->ap_macids_supported
= 0x000000ff;
2054 priv
->sta_macids_supported
= 0x00000000;
2056 off
= le32_to_cpu(cmd
->wcbbase0
) & 0xffff;
2057 iowrite32(priv
->txq
[0].txd_dma
, priv
->sram
+ off
);
2059 off
= le32_to_cpu(cmd
->rxwrptr
) & 0xffff;
2060 iowrite32(priv
->rxq
[0].rxd_dma
, priv
->sram
+ off
);
2062 off
= le32_to_cpu(cmd
->rxrdptr
) & 0xffff;
2063 iowrite32(priv
->rxq
[0].rxd_dma
, priv
->sram
+ off
);
2065 off
= le32_to_cpu(cmd
->wcbbase1
) & 0xffff;
2066 iowrite32(priv
->txq
[1].txd_dma
, priv
->sram
+ off
);
2068 off
= le32_to_cpu(cmd
->wcbbase2
) & 0xffff;
2069 iowrite32(priv
->txq
[2].txd_dma
, priv
->sram
+ off
);
2071 off
= le32_to_cpu(cmd
->wcbbase3
) & 0xffff;
2072 iowrite32(priv
->txq
[3].txd_dma
, priv
->sram
+ off
);
2083 struct mwl8k_cmd_set_hw_spec
{
2084 struct mwl8k_cmd_pkt header
;
2086 __u8 host_interface
;
2088 __u8 perm_addr
[ETH_ALEN
];
2093 __le32 rx_queue_ptr
;
2094 __le32 num_tx_queues
;
2095 __le32 tx_queue_ptrs
[MWL8K_TX_QUEUES
];
2097 __le32 num_tx_desc_per_queue
;
2101 #define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
2102 #define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020
2103 #define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010
2105 static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw
*hw
)
2107 struct mwl8k_priv
*priv
= hw
->priv
;
2108 struct mwl8k_cmd_set_hw_spec
*cmd
;
2112 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2116 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_HW_SPEC
);
2117 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2119 cmd
->ps_cookie
= cpu_to_le32(priv
->cookie_dma
);
2120 cmd
->rx_queue_ptr
= cpu_to_le32(priv
->rxq
[0].rxd_dma
);
2121 cmd
->num_tx_queues
= cpu_to_le32(MWL8K_TX_QUEUES
);
2122 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
2123 cmd
->tx_queue_ptrs
[i
] = cpu_to_le32(priv
->txq
[i
].txd_dma
);
2124 cmd
->flags
= cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT
|
2125 MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP
|
2126 MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON
);
2127 cmd
->num_tx_desc_per_queue
= cpu_to_le32(MWL8K_TX_DESCS
);
2128 cmd
->total_rxd
= cpu_to_le32(MWL8K_RX_DESCS
);
2130 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2137 * CMD_MAC_MULTICAST_ADR.
2139 struct mwl8k_cmd_mac_multicast_adr
{
2140 struct mwl8k_cmd_pkt header
;
2143 __u8 addr
[0][ETH_ALEN
];
2146 #define MWL8K_ENABLE_RX_DIRECTED 0x0001
2147 #define MWL8K_ENABLE_RX_MULTICAST 0x0002
2148 #define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004
2149 #define MWL8K_ENABLE_RX_BROADCAST 0x0008
2151 static struct mwl8k_cmd_pkt
*
2152 __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw
*hw
, int allmulti
,
2153 struct netdev_hw_addr_list
*mc_list
)
2155 struct mwl8k_priv
*priv
= hw
->priv
;
2156 struct mwl8k_cmd_mac_multicast_adr
*cmd
;
2161 mc_count
= netdev_hw_addr_list_count(mc_list
);
2163 if (allmulti
|| mc_count
> priv
->num_mcaddrs
) {
2168 size
= sizeof(*cmd
) + mc_count
* ETH_ALEN
;
2170 cmd
= kzalloc(size
, GFP_ATOMIC
);
2174 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR
);
2175 cmd
->header
.length
= cpu_to_le16(size
);
2176 cmd
->action
= cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED
|
2177 MWL8K_ENABLE_RX_BROADCAST
);
2180 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST
);
2181 } else if (mc_count
) {
2182 struct netdev_hw_addr
*ha
;
2185 cmd
->action
|= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST
);
2186 cmd
->numaddr
= cpu_to_le16(mc_count
);
2187 netdev_hw_addr_list_for_each(ha
, mc_list
) {
2188 memcpy(cmd
->addr
[i
], ha
->addr
, ETH_ALEN
);
2192 return &cmd
->header
;
2198 struct mwl8k_cmd_get_stat
{
2199 struct mwl8k_cmd_pkt header
;
2203 #define MWL8K_STAT_ACK_FAILURE 9
2204 #define MWL8K_STAT_RTS_FAILURE 12
2205 #define MWL8K_STAT_FCS_ERROR 24
2206 #define MWL8K_STAT_RTS_SUCCESS 11
2208 static int mwl8k_cmd_get_stat(struct ieee80211_hw
*hw
,
2209 struct ieee80211_low_level_stats
*stats
)
2211 struct mwl8k_cmd_get_stat
*cmd
;
2214 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2218 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_GET_STAT
);
2219 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2221 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2223 stats
->dot11ACKFailureCount
=
2224 le32_to_cpu(cmd
->stats
[MWL8K_STAT_ACK_FAILURE
]);
2225 stats
->dot11RTSFailureCount
=
2226 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_FAILURE
]);
2227 stats
->dot11FCSErrorCount
=
2228 le32_to_cpu(cmd
->stats
[MWL8K_STAT_FCS_ERROR
]);
2229 stats
->dot11RTSSuccessCount
=
2230 le32_to_cpu(cmd
->stats
[MWL8K_STAT_RTS_SUCCESS
]);
2238 * CMD_RADIO_CONTROL.
2240 struct mwl8k_cmd_radio_control
{
2241 struct mwl8k_cmd_pkt header
;
2248 mwl8k_cmd_radio_control(struct ieee80211_hw
*hw
, bool enable
, bool force
)
2250 struct mwl8k_priv
*priv
= hw
->priv
;
2251 struct mwl8k_cmd_radio_control
*cmd
;
2254 if (enable
== priv
->radio_on
&& !force
)
2257 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2261 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RADIO_CONTROL
);
2262 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2263 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2264 cmd
->control
= cpu_to_le16(priv
->radio_short_preamble
? 3 : 1);
2265 cmd
->radio_on
= cpu_to_le16(enable
? 0x0001 : 0x0000);
2267 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2271 priv
->radio_on
= enable
;
2276 static int mwl8k_cmd_radio_disable(struct ieee80211_hw
*hw
)
2278 return mwl8k_cmd_radio_control(hw
, 0, 0);
2281 static int mwl8k_cmd_radio_enable(struct ieee80211_hw
*hw
)
2283 return mwl8k_cmd_radio_control(hw
, 1, 0);
2287 mwl8k_set_radio_preamble(struct ieee80211_hw
*hw
, bool short_preamble
)
2289 struct mwl8k_priv
*priv
= hw
->priv
;
2291 priv
->radio_short_preamble
= short_preamble
;
2293 return mwl8k_cmd_radio_control(hw
, 1, 1);
2299 #define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8
2301 struct mwl8k_cmd_rf_tx_power
{
2302 struct mwl8k_cmd_pkt header
;
2304 __le16 support_level
;
2305 __le16 current_level
;
2307 __le16 power_level_list
[MWL8K_RF_TX_POWER_LEVEL_TOTAL
];
2310 static int mwl8k_cmd_rf_tx_power(struct ieee80211_hw
*hw
, int dBm
)
2312 struct mwl8k_cmd_rf_tx_power
*cmd
;
2315 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2319 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_TX_POWER
);
2320 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2321 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2322 cmd
->support_level
= cpu_to_le16(dBm
);
2324 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2333 #define MWL8K_TX_POWER_LEVEL_TOTAL 12
2335 struct mwl8k_cmd_tx_power
{
2336 struct mwl8k_cmd_pkt header
;
2342 __le16 power_level_list
[MWL8K_TX_POWER_LEVEL_TOTAL
];
2343 } __attribute__((packed
));
2345 static int mwl8k_cmd_tx_power(struct ieee80211_hw
*hw
,
2346 struct ieee80211_conf
*conf
,
2349 struct ieee80211_channel
*channel
= conf
->channel
;
2350 struct mwl8k_cmd_tx_power
*cmd
;
2354 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2358 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_TX_POWER
);
2359 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2360 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET_LIST
);
2362 if (channel
->band
== IEEE80211_BAND_2GHZ
)
2363 cmd
->band
= cpu_to_le16(0x1);
2364 else if (channel
->band
== IEEE80211_BAND_5GHZ
)
2365 cmd
->band
= cpu_to_le16(0x4);
2367 cmd
->channel
= channel
->hw_value
;
2369 if (conf
->channel_type
== NL80211_CHAN_NO_HT
||
2370 conf
->channel_type
== NL80211_CHAN_HT20
) {
2371 cmd
->bw
= cpu_to_le16(0x2);
2373 cmd
->bw
= cpu_to_le16(0x4);
2374 if (conf
->channel_type
== NL80211_CHAN_HT40MINUS
)
2375 cmd
->sub_ch
= cpu_to_le16(0x3);
2376 else if (conf
->channel_type
== NL80211_CHAN_HT40PLUS
)
2377 cmd
->sub_ch
= cpu_to_le16(0x1);
2380 for (i
= 0; i
< MWL8K_TX_POWER_LEVEL_TOTAL
; i
++)
2381 cmd
->power_level_list
[i
] = cpu_to_le16(pwr
);
2383 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2392 struct mwl8k_cmd_rf_antenna
{
2393 struct mwl8k_cmd_pkt header
;
2398 #define MWL8K_RF_ANTENNA_RX 1
2399 #define MWL8K_RF_ANTENNA_TX 2
2402 mwl8k_cmd_rf_antenna(struct ieee80211_hw
*hw
, int antenna
, int mask
)
2404 struct mwl8k_cmd_rf_antenna
*cmd
;
2407 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2411 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RF_ANTENNA
);
2412 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2413 cmd
->antenna
= cpu_to_le16(antenna
);
2414 cmd
->mode
= cpu_to_le16(mask
);
2416 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2425 struct mwl8k_cmd_set_beacon
{
2426 struct mwl8k_cmd_pkt header
;
2431 static int mwl8k_cmd_set_beacon(struct ieee80211_hw
*hw
,
2432 struct ieee80211_vif
*vif
, u8
*beacon
, int len
)
2434 struct mwl8k_cmd_set_beacon
*cmd
;
2437 cmd
= kzalloc(sizeof(*cmd
) + len
, GFP_KERNEL
);
2441 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_BEACON
);
2442 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
) + len
);
2443 cmd
->beacon_len
= cpu_to_le16(len
);
2444 memcpy(cmd
->beacon
, beacon
, len
);
2446 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
2455 struct mwl8k_cmd_set_pre_scan
{
2456 struct mwl8k_cmd_pkt header
;
2459 static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw
*hw
)
2461 struct mwl8k_cmd_set_pre_scan
*cmd
;
2464 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2468 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN
);
2469 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2471 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2478 * CMD_SET_POST_SCAN.
2480 struct mwl8k_cmd_set_post_scan
{
2481 struct mwl8k_cmd_pkt header
;
2483 __u8 bssid
[ETH_ALEN
];
2487 mwl8k_cmd_set_post_scan(struct ieee80211_hw
*hw
, const __u8
*mac
)
2489 struct mwl8k_cmd_set_post_scan
*cmd
;
2492 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2496 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_POST_SCAN
);
2497 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2499 memcpy(cmd
->bssid
, mac
, ETH_ALEN
);
2501 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2508 * CMD_SET_RF_CHANNEL.
2510 struct mwl8k_cmd_set_rf_channel
{
2511 struct mwl8k_cmd_pkt header
;
2513 __u8 current_channel
;
2514 __le32 channel_flags
;
2517 static int mwl8k_cmd_set_rf_channel(struct ieee80211_hw
*hw
,
2518 struct ieee80211_conf
*conf
)
2520 struct ieee80211_channel
*channel
= conf
->channel
;
2521 struct mwl8k_cmd_set_rf_channel
*cmd
;
2524 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2528 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL
);
2529 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2530 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2531 cmd
->current_channel
= channel
->hw_value
;
2533 if (channel
->band
== IEEE80211_BAND_2GHZ
)
2534 cmd
->channel_flags
|= cpu_to_le32(0x00000001);
2535 else if (channel
->band
== IEEE80211_BAND_5GHZ
)
2536 cmd
->channel_flags
|= cpu_to_le32(0x00000004);
2538 if (conf
->channel_type
== NL80211_CHAN_NO_HT
||
2539 conf
->channel_type
== NL80211_CHAN_HT20
)
2540 cmd
->channel_flags
|= cpu_to_le32(0x00000080);
2541 else if (conf
->channel_type
== NL80211_CHAN_HT40MINUS
)
2542 cmd
->channel_flags
|= cpu_to_le32(0x000001900);
2543 else if (conf
->channel_type
== NL80211_CHAN_HT40PLUS
)
2544 cmd
->channel_flags
|= cpu_to_le32(0x000000900);
2546 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2555 #define MWL8K_FRAME_PROT_DISABLED 0x00
2556 #define MWL8K_FRAME_PROT_11G 0x07
2557 #define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02
2558 #define MWL8K_FRAME_PROT_11N_HT_ALL 0x06
2560 struct mwl8k_cmd_update_set_aid
{
2561 struct mwl8k_cmd_pkt header
;
2564 /* AP's MAC address (BSSID) */
2565 __u8 bssid
[ETH_ALEN
];
2566 __le16 protection_mode
;
2567 __u8 supp_rates
[14];
2570 static void legacy_rate_mask_to_array(u8
*rates
, u32 mask
)
2576 * Clear nonstandard rates 4 and 13.
2580 for (i
= 0, j
= 0; i
< 14; i
++) {
2581 if (mask
& (1 << i
))
2582 rates
[j
++] = mwl8k_rates_24
[i
].hw_value
;
2587 mwl8k_cmd_set_aid(struct ieee80211_hw
*hw
,
2588 struct ieee80211_vif
*vif
, u32 legacy_rate_mask
)
2590 struct mwl8k_cmd_update_set_aid
*cmd
;
2594 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2598 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_AID
);
2599 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2600 cmd
->aid
= cpu_to_le16(vif
->bss_conf
.aid
);
2601 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
2603 if (vif
->bss_conf
.use_cts_prot
) {
2604 prot_mode
= MWL8K_FRAME_PROT_11G
;
2606 switch (vif
->bss_conf
.ht_operation_mode
&
2607 IEEE80211_HT_OP_MODE_PROTECTION
) {
2608 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
2609 prot_mode
= MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY
;
2611 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
2612 prot_mode
= MWL8K_FRAME_PROT_11N_HT_ALL
;
2615 prot_mode
= MWL8K_FRAME_PROT_DISABLED
;
2619 cmd
->protection_mode
= cpu_to_le16(prot_mode
);
2621 legacy_rate_mask_to_array(cmd
->supp_rates
, legacy_rate_mask
);
2623 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2632 struct mwl8k_cmd_set_rate
{
2633 struct mwl8k_cmd_pkt header
;
2634 __u8 legacy_rates
[14];
2636 /* Bitmap for supported MCS codes. */
2642 mwl8k_cmd_set_rate(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
2643 u32 legacy_rate_mask
, u8
*mcs_rates
)
2645 struct mwl8k_cmd_set_rate
*cmd
;
2648 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2652 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATE
);
2653 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2654 legacy_rate_mask_to_array(cmd
->legacy_rates
, legacy_rate_mask
);
2655 memcpy(cmd
->mcs_set
, mcs_rates
, 16);
2657 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2664 * CMD_FINALIZE_JOIN.
2666 #define MWL8K_FJ_BEACON_MAXLEN 128
2668 struct mwl8k_cmd_finalize_join
{
2669 struct mwl8k_cmd_pkt header
;
2670 __le32 sleep_interval
; /* Number of beacon periods to sleep */
2671 __u8 beacon_data
[MWL8K_FJ_BEACON_MAXLEN
];
2674 static int mwl8k_cmd_finalize_join(struct ieee80211_hw
*hw
, void *frame
,
2675 int framelen
, int dtim
)
2677 struct mwl8k_cmd_finalize_join
*cmd
;
2678 struct ieee80211_mgmt
*payload
= frame
;
2682 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2686 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN
);
2687 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2688 cmd
->sleep_interval
= cpu_to_le32(dtim
? dtim
: 1);
2690 payload_len
= framelen
- ieee80211_hdrlen(payload
->frame_control
);
2691 if (payload_len
< 0)
2693 else if (payload_len
> MWL8K_FJ_BEACON_MAXLEN
)
2694 payload_len
= MWL8K_FJ_BEACON_MAXLEN
;
2696 memcpy(cmd
->beacon_data
, &payload
->u
.beacon
, payload_len
);
2698 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2705 * CMD_SET_RTS_THRESHOLD.
2707 struct mwl8k_cmd_set_rts_threshold
{
2708 struct mwl8k_cmd_pkt header
;
2714 mwl8k_cmd_set_rts_threshold(struct ieee80211_hw
*hw
, int rts_thresh
)
2716 struct mwl8k_cmd_set_rts_threshold
*cmd
;
2719 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2723 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD
);
2724 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2725 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2726 cmd
->threshold
= cpu_to_le16(rts_thresh
);
2728 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2737 struct mwl8k_cmd_set_slot
{
2738 struct mwl8k_cmd_pkt header
;
2743 static int mwl8k_cmd_set_slot(struct ieee80211_hw
*hw
, bool short_slot_time
)
2745 struct mwl8k_cmd_set_slot
*cmd
;
2748 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2752 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_SLOT
);
2753 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2754 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
2755 cmd
->short_slot
= short_slot_time
;
2757 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2764 * CMD_SET_EDCA_PARAMS.
2766 struct mwl8k_cmd_set_edca_params
{
2767 struct mwl8k_cmd_pkt header
;
2769 /* See MWL8K_SET_EDCA_XXX below */
2772 /* TX opportunity in units of 32 us */
2777 /* Log exponent of max contention period: 0...15 */
2780 /* Log exponent of min contention period: 0...15 */
2783 /* Adaptive interframe spacing in units of 32us */
2786 /* TX queue to configure */
2790 /* Log exponent of max contention period: 0...15 */
2793 /* Log exponent of min contention period: 0...15 */
2796 /* Adaptive interframe spacing in units of 32us */
2799 /* TX queue to configure */
2805 #define MWL8K_SET_EDCA_CW 0x01
2806 #define MWL8K_SET_EDCA_TXOP 0x02
2807 #define MWL8K_SET_EDCA_AIFS 0x04
2809 #define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \
2810 MWL8K_SET_EDCA_TXOP | \
2811 MWL8K_SET_EDCA_AIFS)
2814 mwl8k_cmd_set_edca_params(struct ieee80211_hw
*hw
, __u8 qnum
,
2815 __u16 cw_min
, __u16 cw_max
,
2816 __u8 aifs
, __u16 txop
)
2818 struct mwl8k_priv
*priv
= hw
->priv
;
2819 struct mwl8k_cmd_set_edca_params
*cmd
;
2822 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2826 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS
);
2827 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2828 cmd
->action
= cpu_to_le16(MWL8K_SET_EDCA_ALL
);
2829 cmd
->txop
= cpu_to_le16(txop
);
2831 cmd
->ap
.log_cw_max
= cpu_to_le32(ilog2(cw_max
+ 1));
2832 cmd
->ap
.log_cw_min
= cpu_to_le32(ilog2(cw_min
+ 1));
2833 cmd
->ap
.aifs
= aifs
;
2836 cmd
->sta
.log_cw_max
= (u8
)ilog2(cw_max
+ 1);
2837 cmd
->sta
.log_cw_min
= (u8
)ilog2(cw_min
+ 1);
2838 cmd
->sta
.aifs
= aifs
;
2839 cmd
->sta
.txq
= qnum
;
2842 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2851 struct mwl8k_cmd_set_wmm_mode
{
2852 struct mwl8k_cmd_pkt header
;
2856 static int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw
*hw
, bool enable
)
2858 struct mwl8k_priv
*priv
= hw
->priv
;
2859 struct mwl8k_cmd_set_wmm_mode
*cmd
;
2862 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2866 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_WMM_MODE
);
2867 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2868 cmd
->action
= cpu_to_le16(!!enable
);
2870 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2874 priv
->wmm_enabled
= enable
;
2882 struct mwl8k_cmd_mimo_config
{
2883 struct mwl8k_cmd_pkt header
;
2885 __u8 rx_antenna_map
;
2886 __u8 tx_antenna_map
;
2889 static int mwl8k_cmd_mimo_config(struct ieee80211_hw
*hw
, __u8 rx
, __u8 tx
)
2891 struct mwl8k_cmd_mimo_config
*cmd
;
2894 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2898 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_MIMO_CONFIG
);
2899 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2900 cmd
->action
= cpu_to_le32((u32
)MWL8K_CMD_SET
);
2901 cmd
->rx_antenna_map
= rx
;
2902 cmd
->tx_antenna_map
= tx
;
2904 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2911 * CMD_USE_FIXED_RATE (STA version).
2913 struct mwl8k_cmd_use_fixed_rate_sta
{
2914 struct mwl8k_cmd_pkt header
;
2916 __le32 allow_rate_drop
;
2920 __le32 enable_retry
;
2929 #define MWL8K_USE_AUTO_RATE 0x0002
2930 #define MWL8K_UCAST_RATE 0
2932 static int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw
*hw
)
2934 struct mwl8k_cmd_use_fixed_rate_sta
*cmd
;
2937 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2941 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE
);
2942 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2943 cmd
->action
= cpu_to_le32(MWL8K_USE_AUTO_RATE
);
2944 cmd
->rate_type
= cpu_to_le32(MWL8K_UCAST_RATE
);
2946 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2953 * CMD_USE_FIXED_RATE (AP version).
2955 struct mwl8k_cmd_use_fixed_rate_ap
{
2956 struct mwl8k_cmd_pkt header
;
2958 __le32 allow_rate_drop
;
2960 struct mwl8k_rate_entry_ap
{
2962 __le32 enable_retry
;
2967 u8 multicast_rate_type
;
2972 mwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw
*hw
, int mcast
, int mgmt
)
2974 struct mwl8k_cmd_use_fixed_rate_ap
*cmd
;
2977 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
2981 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE
);
2982 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
2983 cmd
->action
= cpu_to_le32(MWL8K_USE_AUTO_RATE
);
2984 cmd
->multicast_rate
= mcast
;
2985 cmd
->management_rate
= mgmt
;
2987 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
2994 * CMD_ENABLE_SNIFFER.
2996 struct mwl8k_cmd_enable_sniffer
{
2997 struct mwl8k_cmd_pkt header
;
3001 static int mwl8k_cmd_enable_sniffer(struct ieee80211_hw
*hw
, bool enable
)
3003 struct mwl8k_cmd_enable_sniffer
*cmd
;
3006 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3010 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER
);
3011 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3012 cmd
->action
= cpu_to_le32(!!enable
);
3014 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
3023 struct mwl8k_cmd_set_mac_addr
{
3024 struct mwl8k_cmd_pkt header
;
3028 __u8 mac_addr
[ETH_ALEN
];
3030 __u8 mac_addr
[ETH_ALEN
];
3034 #define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0
3035 #define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1
3036 #define MWL8K_MAC_TYPE_PRIMARY_AP 2
3037 #define MWL8K_MAC_TYPE_SECONDARY_AP 3
3039 static int mwl8k_cmd_set_mac_addr(struct ieee80211_hw
*hw
,
3040 struct ieee80211_vif
*vif
, u8
*mac
)
3042 struct mwl8k_priv
*priv
= hw
->priv
;
3043 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3044 struct mwl8k_cmd_set_mac_addr
*cmd
;
3048 mac_type
= MWL8K_MAC_TYPE_PRIMARY_AP
;
3049 if (vif
!= NULL
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3050 if (mwl8k_vif
->macid
+ 1 == ffs(priv
->sta_macids_supported
))
3051 mac_type
= MWL8K_MAC_TYPE_PRIMARY_CLIENT
;
3053 mac_type
= MWL8K_MAC_TYPE_SECONDARY_CLIENT
;
3054 } else if (vif
!= NULL
&& vif
->type
== NL80211_IFTYPE_AP
) {
3055 if (mwl8k_vif
->macid
+ 1 == ffs(priv
->ap_macids_supported
))
3056 mac_type
= MWL8K_MAC_TYPE_PRIMARY_AP
;
3058 mac_type
= MWL8K_MAC_TYPE_SECONDARY_AP
;
3061 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3065 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR
);
3066 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3068 cmd
->mbss
.mac_type
= cpu_to_le16(mac_type
);
3069 memcpy(cmd
->mbss
.mac_addr
, mac
, ETH_ALEN
);
3071 memcpy(cmd
->mac_addr
, mac
, ETH_ALEN
);
3074 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3081 * CMD_SET_RATEADAPT_MODE.
3083 struct mwl8k_cmd_set_rate_adapt_mode
{
3084 struct mwl8k_cmd_pkt header
;
3089 static int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw
*hw
, __u16 mode
)
3091 struct mwl8k_cmd_set_rate_adapt_mode
*cmd
;
3094 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3098 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE
);
3099 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3100 cmd
->action
= cpu_to_le16(MWL8K_CMD_SET
);
3101 cmd
->mode
= cpu_to_le16(mode
);
3103 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
3112 struct mwl8k_cmd_bss_start
{
3113 struct mwl8k_cmd_pkt header
;
3117 static int mwl8k_cmd_bss_start(struct ieee80211_hw
*hw
,
3118 struct ieee80211_vif
*vif
, int enable
)
3120 struct mwl8k_cmd_bss_start
*cmd
;
3123 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3127 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_BSS_START
);
3128 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3129 cmd
->enable
= cpu_to_le32(enable
);
3131 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3140 struct mwl8k_cmd_set_new_stn
{
3141 struct mwl8k_cmd_pkt header
;
3147 __le32 legacy_rates
;
3150 __le16 ht_capabilities_info
;
3151 __u8 mac_ht_param_info
;
3153 __u8 control_channel
;
3162 #define MWL8K_STA_ACTION_ADD 0
3163 #define MWL8K_STA_ACTION_REMOVE 2
3165 static int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw
*hw
,
3166 struct ieee80211_vif
*vif
,
3167 struct ieee80211_sta
*sta
)
3169 struct mwl8k_cmd_set_new_stn
*cmd
;
3173 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3177 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_NEW_STN
);
3178 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3179 cmd
->aid
= cpu_to_le16(sta
->aid
);
3180 memcpy(cmd
->mac_addr
, sta
->addr
, ETH_ALEN
);
3181 cmd
->stn_id
= cpu_to_le16(sta
->aid
);
3182 cmd
->action
= cpu_to_le16(MWL8K_STA_ACTION_ADD
);
3183 if (hw
->conf
.channel
->band
== IEEE80211_BAND_2GHZ
)
3184 rates
= sta
->supp_rates
[IEEE80211_BAND_2GHZ
];
3186 rates
= sta
->supp_rates
[IEEE80211_BAND_5GHZ
] << 5;
3187 cmd
->legacy_rates
= cpu_to_le32(rates
);
3188 if (sta
->ht_cap
.ht_supported
) {
3189 cmd
->ht_rates
[0] = sta
->ht_cap
.mcs
.rx_mask
[0];
3190 cmd
->ht_rates
[1] = sta
->ht_cap
.mcs
.rx_mask
[1];
3191 cmd
->ht_rates
[2] = sta
->ht_cap
.mcs
.rx_mask
[2];
3192 cmd
->ht_rates
[3] = sta
->ht_cap
.mcs
.rx_mask
[3];
3193 cmd
->ht_capabilities_info
= cpu_to_le16(sta
->ht_cap
.cap
);
3194 cmd
->mac_ht_param_info
= (sta
->ht_cap
.ampdu_factor
& 3) |
3195 ((sta
->ht_cap
.ampdu_density
& 7) << 2);
3196 cmd
->is_qos_sta
= 1;
3199 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3205 static int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw
*hw
,
3206 struct ieee80211_vif
*vif
)
3208 struct mwl8k_cmd_set_new_stn
*cmd
;
3211 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3215 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_NEW_STN
);
3216 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3217 memcpy(cmd
->mac_addr
, vif
->addr
, ETH_ALEN
);
3219 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3225 static int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw
*hw
,
3226 struct ieee80211_vif
*vif
, u8
*addr
)
3228 struct mwl8k_cmd_set_new_stn
*cmd
;
3231 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3235 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_SET_NEW_STN
);
3236 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3237 memcpy(cmd
->mac_addr
, addr
, ETH_ALEN
);
3238 cmd
->action
= cpu_to_le16(MWL8K_STA_ACTION_REMOVE
);
3240 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3247 * CMD_UPDATE_ENCRYPTION.
3250 #define MAX_ENCR_KEY_LENGTH 16
3251 #define MIC_KEY_LENGTH 8
3253 struct mwl8k_cmd_update_encryption
{
3254 struct mwl8k_cmd_pkt header
;
3261 } __attribute__((packed
));
3263 struct mwl8k_cmd_set_key
{
3264 struct mwl8k_cmd_pkt header
;
3273 __u8 key_material
[MAX_ENCR_KEY_LENGTH
];
3274 __u8 tkip_tx_mic_key
[MIC_KEY_LENGTH
];
3275 __u8 tkip_rx_mic_key
[MIC_KEY_LENGTH
];
3276 __le16 tkip_rsc_low
;
3277 __le32 tkip_rsc_high
;
3278 __le16 tkip_tsc_low
;
3279 __le32 tkip_tsc_high
;
3281 } __attribute__((packed
));
3286 MWL8K_ENCR_REMOVE_KEY
,
3287 MWL8K_ENCR_SET_GROUP_KEY
,
3290 #define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0
3291 #define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1
3292 #define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4
3293 #define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7
3294 #define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8
3302 #define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004
3303 #define MWL8K_KEY_FLAG_PAIRWISE 0x00000008
3304 #define MWL8K_KEY_FLAG_TSC_VALID 0x00000040
3305 #define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000
3306 #define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000
3308 static int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw
*hw
,
3309 struct ieee80211_vif
*vif
,
3313 struct mwl8k_cmd_update_encryption
*cmd
;
3316 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3320 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION
);
3321 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3322 cmd
->action
= cpu_to_le32(MWL8K_ENCR_ENABLE
);
3323 memcpy(cmd
->mac_addr
, addr
, ETH_ALEN
);
3324 cmd
->encr_type
= encr_type
;
3326 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3332 static int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key
*cmd
,
3334 struct ieee80211_key_conf
*key
)
3336 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION
);
3337 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3338 cmd
->length
= cpu_to_le16(sizeof(*cmd
) -
3339 offsetof(struct mwl8k_cmd_set_key
, length
));
3340 cmd
->key_id
= cpu_to_le32(key
->keyidx
);
3341 cmd
->key_len
= cpu_to_le16(key
->keylen
);
3342 memcpy(cmd
->mac_addr
, addr
, ETH_ALEN
);
3344 switch (key
->cipher
) {
3345 case WLAN_CIPHER_SUITE_WEP40
:
3346 case WLAN_CIPHER_SUITE_WEP104
:
3347 cmd
->key_type_id
= cpu_to_le16(MWL8K_ALG_WEP
);
3348 if (key
->keyidx
== 0)
3349 cmd
->key_info
= cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY
);
3352 case WLAN_CIPHER_SUITE_TKIP
:
3353 cmd
->key_type_id
= cpu_to_le16(MWL8K_ALG_TKIP
);
3354 cmd
->key_info
= (key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
)
3355 ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE
)
3356 : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY
);
3357 cmd
->key_info
|= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID
3358 | MWL8K_KEY_FLAG_TSC_VALID
);
3360 case WLAN_CIPHER_SUITE_CCMP
:
3361 cmd
->key_type_id
= cpu_to_le16(MWL8K_ALG_CCMP
);
3362 cmd
->key_info
= (key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
)
3363 ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE
)
3364 : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY
);
3373 static int mwl8k_cmd_encryption_set_key(struct ieee80211_hw
*hw
,
3374 struct ieee80211_vif
*vif
,
3376 struct ieee80211_key_conf
*key
)
3378 struct mwl8k_cmd_set_key
*cmd
;
3383 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3385 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3389 rc
= mwl8k_encryption_set_cmd_info(cmd
, addr
, key
);
3395 if (key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
)
3396 action
= MWL8K_ENCR_SET_KEY
;
3398 action
= MWL8K_ENCR_SET_GROUP_KEY
;
3400 switch (key
->cipher
) {
3401 case WLAN_CIPHER_SUITE_WEP40
:
3402 case WLAN_CIPHER_SUITE_WEP104
:
3403 if (!mwl8k_vif
->wep_key_conf
[idx
].enabled
) {
3404 memcpy(mwl8k_vif
->wep_key_conf
[idx
].key
, key
,
3405 sizeof(*key
) + key
->keylen
);
3406 mwl8k_vif
->wep_key_conf
[idx
].enabled
= 1;
3410 action
= MWL8K_ENCR_SET_KEY
;
3412 case WLAN_CIPHER_SUITE_TKIP
:
3413 keymlen
= MAX_ENCR_KEY_LENGTH
+ 2 * MIC_KEY_LENGTH
;
3415 case WLAN_CIPHER_SUITE_CCMP
:
3416 keymlen
= key
->keylen
;
3423 memcpy(cmd
->key_material
, key
->key
, keymlen
);
3424 cmd
->action
= cpu_to_le32(action
);
3426 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3433 static int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw
*hw
,
3434 struct ieee80211_vif
*vif
,
3436 struct ieee80211_key_conf
*key
)
3438 struct mwl8k_cmd_set_key
*cmd
;
3440 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3442 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3446 rc
= mwl8k_encryption_set_cmd_info(cmd
, addr
, key
);
3450 if (key
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
3451 WLAN_CIPHER_SUITE_WEP104
)
3452 mwl8k_vif
->wep_key_conf
[key
->keyidx
].enabled
= 0;
3454 cmd
->action
= cpu_to_le32(MWL8K_ENCR_REMOVE_KEY
);
3456 rc
= mwl8k_post_pervif_cmd(hw
, vif
, &cmd
->header
);
3463 static int mwl8k_set_key(struct ieee80211_hw
*hw
,
3464 enum set_key_cmd cmd_param
,
3465 struct ieee80211_vif
*vif
,
3466 struct ieee80211_sta
*sta
,
3467 struct ieee80211_key_conf
*key
)
3472 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3474 if (vif
->type
== NL80211_IFTYPE_STATION
)
3478 addr
= hw
->wiphy
->perm_addr
;
3482 if (cmd_param
== SET_KEY
) {
3483 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_IV
;
3484 rc
= mwl8k_cmd_encryption_set_key(hw
, vif
, addr
, key
);
3488 if ((key
->cipher
== WLAN_CIPHER_SUITE_WEP40
)
3489 || (key
->cipher
== WLAN_CIPHER_SUITE_WEP104
))
3490 encr_type
= MWL8K_UPDATE_ENCRYPTION_TYPE_WEP
;
3492 encr_type
= MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED
;
3494 rc
= mwl8k_cmd_update_encryption_enable(hw
, vif
, addr
,
3499 mwl8k_vif
->is_hw_crypto_enabled
= true;
3502 rc
= mwl8k_cmd_encryption_remove_key(hw
, vif
, addr
, key
);
3507 mwl8k_vif
->is_hw_crypto_enabled
= false;
3517 struct ewc_ht_info
{
3523 struct peer_capability_info
{
3524 /* Peer type - AP vs. STA. */
3527 /* Basic 802.11 capabilities from assoc resp. */
3530 /* Set if peer supports 802.11n high throughput (HT). */
3533 /* Valid if HT is supported. */
3535 __u8 extended_ht_caps
;
3536 struct ewc_ht_info ewc_info
;
3538 /* Legacy rate table. Intersection of our rates and peer rates. */
3539 __u8 legacy_rates
[12];
3541 /* HT rate table. Intersection of our rates and peer rates. */
3545 /* If set, interoperability mode, no proprietary extensions. */
3549 __le16 amsdu_enabled
;
3552 struct mwl8k_cmd_update_stadb
{
3553 struct mwl8k_cmd_pkt header
;
3555 /* See STADB_ACTION_TYPE */
3558 /* Peer MAC address */
3559 __u8 peer_addr
[ETH_ALEN
];
3563 /* Peer info - valid during add/update. */
3564 struct peer_capability_info peer_info
;
3567 #define MWL8K_STA_DB_MODIFY_ENTRY 1
3568 #define MWL8K_STA_DB_DEL_ENTRY 2
3570 /* Peer Entry flags - used to define the type of the peer node */
3571 #define MWL8K_PEER_TYPE_ACCESSPOINT 2
3573 static int mwl8k_cmd_update_stadb_add(struct ieee80211_hw
*hw
,
3574 struct ieee80211_vif
*vif
,
3575 struct ieee80211_sta
*sta
)
3577 struct mwl8k_cmd_update_stadb
*cmd
;
3578 struct peer_capability_info
*p
;
3582 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3586 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_STADB
);
3587 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3588 cmd
->action
= cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY
);
3589 memcpy(cmd
->peer_addr
, sta
->addr
, ETH_ALEN
);
3591 p
= &cmd
->peer_info
;
3592 p
->peer_type
= MWL8K_PEER_TYPE_ACCESSPOINT
;
3593 p
->basic_caps
= cpu_to_le16(vif
->bss_conf
.assoc_capability
);
3594 p
->ht_support
= sta
->ht_cap
.ht_supported
;
3595 p
->ht_caps
= cpu_to_le16(sta
->ht_cap
.cap
);
3596 p
->extended_ht_caps
= (sta
->ht_cap
.ampdu_factor
& 3) |
3597 ((sta
->ht_cap
.ampdu_density
& 7) << 2);
3598 if (hw
->conf
.channel
->band
== IEEE80211_BAND_2GHZ
)
3599 rates
= sta
->supp_rates
[IEEE80211_BAND_2GHZ
];
3601 rates
= sta
->supp_rates
[IEEE80211_BAND_5GHZ
] << 5;
3602 legacy_rate_mask_to_array(p
->legacy_rates
, rates
);
3603 memcpy(p
->ht_rates
, sta
->ht_cap
.mcs
.rx_mask
, 16);
3605 p
->amsdu_enabled
= 0;
3607 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
3610 return rc
? rc
: p
->station_id
;
3613 static int mwl8k_cmd_update_stadb_del(struct ieee80211_hw
*hw
,
3614 struct ieee80211_vif
*vif
, u8
*addr
)
3616 struct mwl8k_cmd_update_stadb
*cmd
;
3619 cmd
= kzalloc(sizeof(*cmd
), GFP_KERNEL
);
3623 cmd
->header
.code
= cpu_to_le16(MWL8K_CMD_UPDATE_STADB
);
3624 cmd
->header
.length
= cpu_to_le16(sizeof(*cmd
));
3625 cmd
->action
= cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY
);
3626 memcpy(cmd
->peer_addr
, addr
, ETH_ALEN
);
3628 rc
= mwl8k_post_cmd(hw
, &cmd
->header
);
3636 * Interrupt handling.
3638 static irqreturn_t
mwl8k_interrupt(int irq
, void *dev_id
)
3640 struct ieee80211_hw
*hw
= dev_id
;
3641 struct mwl8k_priv
*priv
= hw
->priv
;
3644 status
= ioread32(priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3648 if (status
& MWL8K_A2H_INT_TX_DONE
) {
3649 status
&= ~MWL8K_A2H_INT_TX_DONE
;
3650 tasklet_schedule(&priv
->poll_tx_task
);
3653 if (status
& MWL8K_A2H_INT_RX_READY
) {
3654 status
&= ~MWL8K_A2H_INT_RX_READY
;
3655 tasklet_schedule(&priv
->poll_rx_task
);
3659 iowrite32(~status
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3661 if (status
& MWL8K_A2H_INT_OPC_DONE
) {
3662 if (priv
->hostcmd_wait
!= NULL
)
3663 complete(priv
->hostcmd_wait
);
3666 if (status
& MWL8K_A2H_INT_QUEUE_EMPTY
) {
3667 if (!mutex_is_locked(&priv
->fw_mutex
) &&
3668 priv
->radio_on
&& priv
->pending_tx_pkts
)
3669 mwl8k_tx_start(priv
);
3675 static void mwl8k_tx_poll(unsigned long data
)
3677 struct ieee80211_hw
*hw
= (struct ieee80211_hw
*)data
;
3678 struct mwl8k_priv
*priv
= hw
->priv
;
3684 spin_lock_bh(&priv
->tx_lock
);
3686 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3687 limit
-= mwl8k_txq_reclaim(hw
, i
, limit
, 0);
3689 if (!priv
->pending_tx_pkts
&& priv
->tx_wait
!= NULL
) {
3690 complete(priv
->tx_wait
);
3691 priv
->tx_wait
= NULL
;
3694 spin_unlock_bh(&priv
->tx_lock
);
3697 writel(~MWL8K_A2H_INT_TX_DONE
,
3698 priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3700 tasklet_schedule(&priv
->poll_tx_task
);
3704 static void mwl8k_rx_poll(unsigned long data
)
3706 struct ieee80211_hw
*hw
= (struct ieee80211_hw
*)data
;
3707 struct mwl8k_priv
*priv
= hw
->priv
;
3711 limit
-= rxq_process(hw
, 0, limit
);
3712 limit
-= rxq_refill(hw
, 0, limit
);
3715 writel(~MWL8K_A2H_INT_RX_READY
,
3716 priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
3718 tasklet_schedule(&priv
->poll_rx_task
);
3724 * Core driver operations.
3726 static int mwl8k_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
3728 struct mwl8k_priv
*priv
= hw
->priv
;
3729 int index
= skb_get_queue_mapping(skb
);
3732 if (!priv
->radio_on
) {
3733 wiphy_debug(hw
->wiphy
,
3734 "dropped TX frame since radio disabled\n");
3736 return NETDEV_TX_OK
;
3739 rc
= mwl8k_txq_xmit(hw
, index
, skb
);
3744 static int mwl8k_start(struct ieee80211_hw
*hw
)
3746 struct mwl8k_priv
*priv
= hw
->priv
;
3749 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
3750 IRQF_SHARED
, MWL8K_NAME
, hw
);
3752 wiphy_err(hw
->wiphy
, "failed to register IRQ handler\n");
3756 /* Enable TX reclaim and RX tasklets. */
3757 tasklet_enable(&priv
->poll_tx_task
);
3758 tasklet_enable(&priv
->poll_rx_task
);
3760 /* Enable interrupts */
3761 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3763 rc
= mwl8k_fw_lock(hw
);
3765 rc
= mwl8k_cmd_radio_enable(hw
);
3769 rc
= mwl8k_cmd_enable_sniffer(hw
, 0);
3772 rc
= mwl8k_cmd_set_pre_scan(hw
);
3775 rc
= mwl8k_cmd_set_post_scan(hw
,
3776 "\x00\x00\x00\x00\x00\x00");
3780 rc
= mwl8k_cmd_set_rateadapt_mode(hw
, 0);
3783 rc
= mwl8k_cmd_set_wmm_mode(hw
, 0);
3785 mwl8k_fw_unlock(hw
);
3789 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3790 free_irq(priv
->pdev
->irq
, hw
);
3791 tasklet_disable(&priv
->poll_tx_task
);
3792 tasklet_disable(&priv
->poll_rx_task
);
3798 static void mwl8k_stop(struct ieee80211_hw
*hw
)
3800 struct mwl8k_priv
*priv
= hw
->priv
;
3803 mwl8k_cmd_radio_disable(hw
);
3805 ieee80211_stop_queues(hw
);
3807 /* Disable interrupts */
3808 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
3809 free_irq(priv
->pdev
->irq
, hw
);
3811 /* Stop finalize join worker */
3812 cancel_work_sync(&priv
->finalize_join_worker
);
3813 if (priv
->beacon_skb
!= NULL
)
3814 dev_kfree_skb(priv
->beacon_skb
);
3816 /* Stop TX reclaim and RX tasklets. */
3817 tasklet_disable(&priv
->poll_tx_task
);
3818 tasklet_disable(&priv
->poll_rx_task
);
3820 /* Return all skbs to mac80211 */
3821 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
3822 mwl8k_txq_reclaim(hw
, i
, INT_MAX
, 1);
3825 static int mwl8k_reload_firmware(struct ieee80211_hw
*hw
, char *fw_image
);
3827 static int mwl8k_add_interface(struct ieee80211_hw
*hw
,
3828 struct ieee80211_vif
*vif
)
3830 struct mwl8k_priv
*priv
= hw
->priv
;
3831 struct mwl8k_vif
*mwl8k_vif
;
3832 u32 macids_supported
;
3834 struct mwl8k_device_info
*di
;
3837 * Reject interface creation if sniffer mode is active, as
3838 * STA operation is mutually exclusive with hardware sniffer
3839 * mode. (Sniffer mode is only used on STA firmware.)
3841 if (priv
->sniffer_enabled
) {
3842 wiphy_info(hw
->wiphy
,
3843 "unable to create STA interface because sniffer mode is enabled\n");
3847 di
= priv
->device_info
;
3848 switch (vif
->type
) {
3849 case NL80211_IFTYPE_AP
:
3850 if (!priv
->ap_fw
&& di
->fw_image_ap
) {
3851 /* we must load the ap fw to meet this request */
3852 if (!list_empty(&priv
->vif_list
))
3854 rc
= mwl8k_reload_firmware(hw
, di
->fw_image_ap
);
3858 macids_supported
= priv
->ap_macids_supported
;
3860 case NL80211_IFTYPE_STATION
:
3861 if (priv
->ap_fw
&& di
->fw_image_sta
) {
3862 /* we must load the sta fw to meet this request */
3863 if (!list_empty(&priv
->vif_list
))
3865 rc
= mwl8k_reload_firmware(hw
, di
->fw_image_sta
);
3869 macids_supported
= priv
->sta_macids_supported
;
3875 macid
= ffs(macids_supported
& ~priv
->macids_used
);
3879 /* Setup driver private area. */
3880 mwl8k_vif
= MWL8K_VIF(vif
);
3881 memset(mwl8k_vif
, 0, sizeof(*mwl8k_vif
));
3882 mwl8k_vif
->vif
= vif
;
3883 mwl8k_vif
->macid
= macid
;
3884 mwl8k_vif
->seqno
= 0;
3885 memcpy(mwl8k_vif
->bssid
, vif
->addr
, ETH_ALEN
);
3886 mwl8k_vif
->is_hw_crypto_enabled
= false;
3888 /* Set the mac address. */
3889 mwl8k_cmd_set_mac_addr(hw
, vif
, vif
->addr
);
3892 mwl8k_cmd_set_new_stn_add_self(hw
, vif
);
3894 priv
->macids_used
|= 1 << mwl8k_vif
->macid
;
3895 list_add_tail(&mwl8k_vif
->list
, &priv
->vif_list
);
3900 static void mwl8k_remove_interface(struct ieee80211_hw
*hw
,
3901 struct ieee80211_vif
*vif
)
3903 struct mwl8k_priv
*priv
= hw
->priv
;
3904 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
3907 mwl8k_cmd_set_new_stn_del(hw
, vif
, vif
->addr
);
3909 mwl8k_cmd_set_mac_addr(hw
, vif
, "\x00\x00\x00\x00\x00\x00");
3911 priv
->macids_used
&= ~(1 << mwl8k_vif
->macid
);
3912 list_del(&mwl8k_vif
->list
);
3915 static int mwl8k_config(struct ieee80211_hw
*hw
, u32 changed
)
3917 struct ieee80211_conf
*conf
= &hw
->conf
;
3918 struct mwl8k_priv
*priv
= hw
->priv
;
3921 if (conf
->flags
& IEEE80211_CONF_IDLE
) {
3922 mwl8k_cmd_radio_disable(hw
);
3926 rc
= mwl8k_fw_lock(hw
);
3930 rc
= mwl8k_cmd_radio_enable(hw
);
3934 rc
= mwl8k_cmd_set_rf_channel(hw
, conf
);
3938 if (conf
->power_level
> 18)
3939 conf
->power_level
= 18;
3942 rc
= mwl8k_cmd_tx_power(hw
, conf
, conf
->power_level
);
3946 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_RX
, 0x7);
3948 rc
= mwl8k_cmd_rf_antenna(hw
, MWL8K_RF_ANTENNA_TX
, 0x7);
3950 rc
= mwl8k_cmd_rf_tx_power(hw
, conf
->power_level
);
3953 rc
= mwl8k_cmd_mimo_config(hw
, 0x7, 0x7);
3957 mwl8k_fw_unlock(hw
);
3963 mwl8k_bss_info_changed_sta(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
3964 struct ieee80211_bss_conf
*info
, u32 changed
)
3966 struct mwl8k_priv
*priv
= hw
->priv
;
3967 u32 ap_legacy_rates
;
3968 u8 ap_mcs_rates
[16];
3971 if (mwl8k_fw_lock(hw
))
3975 * No need to capture a beacon if we're no longer associated.
3977 if ((changed
& BSS_CHANGED_ASSOC
) && !vif
->bss_conf
.assoc
)
3978 priv
->capture_beacon
= false;
3981 * Get the AP's legacy and MCS rates.
3983 if (vif
->bss_conf
.assoc
) {
3984 struct ieee80211_sta
*ap
;
3988 ap
= ieee80211_find_sta(vif
, vif
->bss_conf
.bssid
);
3994 if (hw
->conf
.channel
->band
== IEEE80211_BAND_2GHZ
) {
3995 ap_legacy_rates
= ap
->supp_rates
[IEEE80211_BAND_2GHZ
];
3998 ap
->supp_rates
[IEEE80211_BAND_5GHZ
] << 5;
4000 memcpy(ap_mcs_rates
, ap
->ht_cap
.mcs
.rx_mask
, 16);
4005 if ((changed
& BSS_CHANGED_ASSOC
) && vif
->bss_conf
.assoc
) {
4006 rc
= mwl8k_cmd_set_rate(hw
, vif
, ap_legacy_rates
, ap_mcs_rates
);
4010 rc
= mwl8k_cmd_use_fixed_rate_sta(hw
);
4015 if (changed
& BSS_CHANGED_ERP_PREAMBLE
) {
4016 rc
= mwl8k_set_radio_preamble(hw
,
4017 vif
->bss_conf
.use_short_preamble
);
4022 if (changed
& BSS_CHANGED_ERP_SLOT
) {
4023 rc
= mwl8k_cmd_set_slot(hw
, vif
->bss_conf
.use_short_slot
);
4028 if (vif
->bss_conf
.assoc
&&
4029 (changed
& (BSS_CHANGED_ASSOC
| BSS_CHANGED_ERP_CTS_PROT
|
4031 rc
= mwl8k_cmd_set_aid(hw
, vif
, ap_legacy_rates
);
4036 if (vif
->bss_conf
.assoc
&&
4037 (changed
& (BSS_CHANGED_ASSOC
| BSS_CHANGED_BEACON_INT
))) {
4039 * Finalize the join. Tell rx handler to process
4040 * next beacon from our BSSID.
4042 memcpy(priv
->capture_bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
4043 priv
->capture_beacon
= true;
4047 mwl8k_fw_unlock(hw
);
4051 mwl8k_bss_info_changed_ap(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
4052 struct ieee80211_bss_conf
*info
, u32 changed
)
4056 if (mwl8k_fw_lock(hw
))
4059 if (changed
& BSS_CHANGED_ERP_PREAMBLE
) {
4060 rc
= mwl8k_set_radio_preamble(hw
,
4061 vif
->bss_conf
.use_short_preamble
);
4066 if (changed
& BSS_CHANGED_BASIC_RATES
) {
4071 * Use lowest supported basic rate for multicasts
4072 * and management frames (such as probe responses --
4073 * beacons will always go out at 1 Mb/s).
4075 idx
= ffs(vif
->bss_conf
.basic_rates
);
4079 if (hw
->conf
.channel
->band
== IEEE80211_BAND_2GHZ
)
4080 rate
= mwl8k_rates_24
[idx
].hw_value
;
4082 rate
= mwl8k_rates_50
[idx
].hw_value
;
4084 mwl8k_cmd_use_fixed_rate_ap(hw
, rate
, rate
);
4087 if (changed
& (BSS_CHANGED_BEACON_INT
| BSS_CHANGED_BEACON
)) {
4088 struct sk_buff
*skb
;
4090 skb
= ieee80211_beacon_get(hw
, vif
);
4092 mwl8k_cmd_set_beacon(hw
, vif
, skb
->data
, skb
->len
);
4097 if (changed
& BSS_CHANGED_BEACON_ENABLED
)
4098 mwl8k_cmd_bss_start(hw
, vif
, info
->enable_beacon
);
4101 mwl8k_fw_unlock(hw
);
4105 mwl8k_bss_info_changed(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
4106 struct ieee80211_bss_conf
*info
, u32 changed
)
4108 struct mwl8k_priv
*priv
= hw
->priv
;
4111 mwl8k_bss_info_changed_sta(hw
, vif
, info
, changed
);
4113 mwl8k_bss_info_changed_ap(hw
, vif
, info
, changed
);
4116 static u64
mwl8k_prepare_multicast(struct ieee80211_hw
*hw
,
4117 struct netdev_hw_addr_list
*mc_list
)
4119 struct mwl8k_cmd_pkt
*cmd
;
4122 * Synthesize and return a command packet that programs the
4123 * hardware multicast address filter. At this point we don't
4124 * know whether FIF_ALLMULTI is being requested, but if it is,
4125 * we'll end up throwing this packet away and creating a new
4126 * one in mwl8k_configure_filter().
4128 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 0, mc_list
);
4130 return (unsigned long)cmd
;
4134 mwl8k_configure_filter_sniffer(struct ieee80211_hw
*hw
,
4135 unsigned int changed_flags
,
4136 unsigned int *total_flags
)
4138 struct mwl8k_priv
*priv
= hw
->priv
;
4141 * Hardware sniffer mode is mutually exclusive with STA
4142 * operation, so refuse to enable sniffer mode if a STA
4143 * interface is active.
4145 if (!list_empty(&priv
->vif_list
)) {
4146 if (net_ratelimit())
4147 wiphy_info(hw
->wiphy
,
4148 "not enabling sniffer mode because STA interface is active\n");
4152 if (!priv
->sniffer_enabled
) {
4153 if (mwl8k_cmd_enable_sniffer(hw
, 1))
4155 priv
->sniffer_enabled
= true;
4158 *total_flags
&= FIF_PROMISC_IN_BSS
| FIF_ALLMULTI
|
4159 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
|
4165 static struct mwl8k_vif
*mwl8k_first_vif(struct mwl8k_priv
*priv
)
4167 if (!list_empty(&priv
->vif_list
))
4168 return list_entry(priv
->vif_list
.next
, struct mwl8k_vif
, list
);
4173 static void mwl8k_configure_filter(struct ieee80211_hw
*hw
,
4174 unsigned int changed_flags
,
4175 unsigned int *total_flags
,
4178 struct mwl8k_priv
*priv
= hw
->priv
;
4179 struct mwl8k_cmd_pkt
*cmd
= (void *)(unsigned long)multicast
;
4182 * AP firmware doesn't allow fine-grained control over
4183 * the receive filter.
4186 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
4192 * Enable hardware sniffer mode if FIF_CONTROL or
4193 * FIF_OTHER_BSS is requested.
4195 if (*total_flags
& (FIF_CONTROL
| FIF_OTHER_BSS
) &&
4196 mwl8k_configure_filter_sniffer(hw
, changed_flags
, total_flags
)) {
4201 /* Clear unsupported feature flags */
4202 *total_flags
&= FIF_ALLMULTI
| FIF_BCN_PRBRESP_PROMISC
;
4204 if (mwl8k_fw_lock(hw
)) {
4209 if (priv
->sniffer_enabled
) {
4210 mwl8k_cmd_enable_sniffer(hw
, 0);
4211 priv
->sniffer_enabled
= false;
4214 if (changed_flags
& FIF_BCN_PRBRESP_PROMISC
) {
4215 if (*total_flags
& FIF_BCN_PRBRESP_PROMISC
) {
4217 * Disable the BSS filter.
4219 mwl8k_cmd_set_pre_scan(hw
);
4221 struct mwl8k_vif
*mwl8k_vif
;
4225 * Enable the BSS filter.
4227 * If there is an active STA interface, use that
4228 * interface's BSSID, otherwise use a dummy one
4229 * (where the OUI part needs to be nonzero for
4230 * the BSSID to be accepted by POST_SCAN).
4232 mwl8k_vif
= mwl8k_first_vif(priv
);
4233 if (mwl8k_vif
!= NULL
)
4234 bssid
= mwl8k_vif
->vif
->bss_conf
.bssid
;
4236 bssid
= "\x01\x00\x00\x00\x00\x00";
4238 mwl8k_cmd_set_post_scan(hw
, bssid
);
4243 * If FIF_ALLMULTI is being requested, throw away the command
4244 * packet that ->prepare_multicast() built and replace it with
4245 * a command packet that enables reception of all multicast
4248 if (*total_flags
& FIF_ALLMULTI
) {
4250 cmd
= __mwl8k_cmd_mac_multicast_adr(hw
, 1, NULL
);
4254 mwl8k_post_cmd(hw
, cmd
);
4258 mwl8k_fw_unlock(hw
);
4261 static int mwl8k_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
4263 return mwl8k_cmd_set_rts_threshold(hw
, value
);
4266 static int mwl8k_sta_remove(struct ieee80211_hw
*hw
,
4267 struct ieee80211_vif
*vif
,
4268 struct ieee80211_sta
*sta
)
4270 struct mwl8k_priv
*priv
= hw
->priv
;
4273 return mwl8k_cmd_set_new_stn_del(hw
, vif
, sta
->addr
);
4275 return mwl8k_cmd_update_stadb_del(hw
, vif
, sta
->addr
);
4278 static int mwl8k_sta_add(struct ieee80211_hw
*hw
,
4279 struct ieee80211_vif
*vif
,
4280 struct ieee80211_sta
*sta
)
4282 struct mwl8k_priv
*priv
= hw
->priv
;
4285 struct mwl8k_vif
*mwl8k_vif
= MWL8K_VIF(vif
);
4286 struct ieee80211_key_conf
*key
;
4289 ret
= mwl8k_cmd_update_stadb_add(hw
, vif
, sta
);
4291 MWL8K_STA(sta
)->peer_id
= ret
;
4296 ret
= mwl8k_cmd_set_new_stn_add(hw
, vif
, sta
);
4299 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
4300 key
= IEEE80211_KEY_CONF(mwl8k_vif
->wep_key_conf
[i
].key
);
4301 if (mwl8k_vif
->wep_key_conf
[i
].enabled
)
4302 mwl8k_set_key(hw
, SET_KEY
, vif
, sta
, key
);
4307 static int mwl8k_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
4308 const struct ieee80211_tx_queue_params
*params
)
4310 struct mwl8k_priv
*priv
= hw
->priv
;
4313 rc
= mwl8k_fw_lock(hw
);
4315 BUG_ON(queue
> MWL8K_TX_QUEUES
- 1);
4316 memcpy(&priv
->wmm_params
[queue
], params
, sizeof(*params
));
4318 if (!priv
->wmm_enabled
)
4319 rc
= mwl8k_cmd_set_wmm_mode(hw
, 1);
4322 rc
= mwl8k_cmd_set_edca_params(hw
, queue
,
4328 mwl8k_fw_unlock(hw
);
4334 static int mwl8k_get_stats(struct ieee80211_hw
*hw
,
4335 struct ieee80211_low_level_stats
*stats
)
4337 return mwl8k_cmd_get_stat(hw
, stats
);
4340 static int mwl8k_get_survey(struct ieee80211_hw
*hw
, int idx
,
4341 struct survey_info
*survey
)
4343 struct mwl8k_priv
*priv
= hw
->priv
;
4344 struct ieee80211_conf
*conf
= &hw
->conf
;
4349 survey
->channel
= conf
->channel
;
4350 survey
->filled
= SURVEY_INFO_NOISE_DBM
;
4351 survey
->noise
= priv
->noise
;
4357 mwl8k_ampdu_action(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
4358 enum ieee80211_ampdu_mlme_action action
,
4359 struct ieee80211_sta
*sta
, u16 tid
, u16
*ssn
,
4363 case IEEE80211_AMPDU_RX_START
:
4364 case IEEE80211_AMPDU_RX_STOP
:
4365 if (!(hw
->flags
& IEEE80211_HW_AMPDU_AGGREGATION
))
4373 static const struct ieee80211_ops mwl8k_ops
= {
4375 .start
= mwl8k_start
,
4377 .add_interface
= mwl8k_add_interface
,
4378 .remove_interface
= mwl8k_remove_interface
,
4379 .config
= mwl8k_config
,
4380 .bss_info_changed
= mwl8k_bss_info_changed
,
4381 .prepare_multicast
= mwl8k_prepare_multicast
,
4382 .configure_filter
= mwl8k_configure_filter
,
4383 .set_key
= mwl8k_set_key
,
4384 .set_rts_threshold
= mwl8k_set_rts_threshold
,
4385 .sta_add
= mwl8k_sta_add
,
4386 .sta_remove
= mwl8k_sta_remove
,
4387 .conf_tx
= mwl8k_conf_tx
,
4388 .get_stats
= mwl8k_get_stats
,
4389 .get_survey
= mwl8k_get_survey
,
4390 .ampdu_action
= mwl8k_ampdu_action
,
4393 static void mwl8k_finalize_join_worker(struct work_struct
*work
)
4395 struct mwl8k_priv
*priv
=
4396 container_of(work
, struct mwl8k_priv
, finalize_join_worker
);
4397 struct sk_buff
*skb
= priv
->beacon_skb
;
4398 struct ieee80211_mgmt
*mgmt
= (void *)skb
->data
;
4399 int len
= skb
->len
- offsetof(struct ieee80211_mgmt
, u
.beacon
.variable
);
4400 const u8
*tim
= cfg80211_find_ie(WLAN_EID_TIM
,
4401 mgmt
->u
.beacon
.variable
, len
);
4402 int dtim_period
= 1;
4404 if (tim
&& tim
[1] >= 2)
4405 dtim_period
= tim
[3];
4407 mwl8k_cmd_finalize_join(priv
->hw
, skb
->data
, skb
->len
, dtim_period
);
4410 priv
->beacon_skb
= NULL
;
4419 #define MWL8K_8366_AP_FW_API 1
4420 #define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw"
4421 #define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api)
4423 static struct mwl8k_device_info mwl8k_info_tbl
[] __devinitdata
= {
4425 .part_name
= "88w8363",
4426 .helper_image
= "mwl8k/helper_8363.fw",
4427 .fw_image_sta
= "mwl8k/fmimage_8363.fw",
4430 .part_name
= "88w8687",
4431 .helper_image
= "mwl8k/helper_8687.fw",
4432 .fw_image_sta
= "mwl8k/fmimage_8687.fw",
4435 .part_name
= "88w8366",
4436 .helper_image
= "mwl8k/helper_8366.fw",
4437 .fw_image_sta
= "mwl8k/fmimage_8366.fw",
4438 .fw_image_ap
= MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API
),
4439 .fw_api_ap
= MWL8K_8366_AP_FW_API
,
4440 .ap_rxd_ops
= &rxd_8366_ap_ops
,
4444 MODULE_FIRMWARE("mwl8k/helper_8363.fw");
4445 MODULE_FIRMWARE("mwl8k/fmimage_8363.fw");
4446 MODULE_FIRMWARE("mwl8k/helper_8687.fw");
4447 MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
4448 MODULE_FIRMWARE("mwl8k/helper_8366.fw");
4449 MODULE_FIRMWARE("mwl8k/fmimage_8366.fw");
4450 MODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API
));
4452 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table
) = {
4453 { PCI_VDEVICE(MARVELL
, 0x2a0a), .driver_data
= MWL8363
, },
4454 { PCI_VDEVICE(MARVELL
, 0x2a0c), .driver_data
= MWL8363
, },
4455 { PCI_VDEVICE(MARVELL
, 0x2a24), .driver_data
= MWL8363
, },
4456 { PCI_VDEVICE(MARVELL
, 0x2a2b), .driver_data
= MWL8687
, },
4457 { PCI_VDEVICE(MARVELL
, 0x2a30), .driver_data
= MWL8687
, },
4458 { PCI_VDEVICE(MARVELL
, 0x2a40), .driver_data
= MWL8366
, },
4459 { PCI_VDEVICE(MARVELL
, 0x2a43), .driver_data
= MWL8366
, },
4462 MODULE_DEVICE_TABLE(pci
, mwl8k_pci_id_table
);
4464 static int mwl8k_request_alt_fw(struct mwl8k_priv
*priv
)
4467 printk(KERN_ERR
"%s: Error requesting preferred fw %s.\n"
4468 "Trying alternative firmware %s\n", pci_name(priv
->pdev
),
4469 priv
->fw_pref
, priv
->fw_alt
);
4470 rc
= mwl8k_request_fw(priv
, priv
->fw_alt
, &priv
->fw_ucode
, true);
4472 printk(KERN_ERR
"%s: Error requesting alt fw %s\n",
4473 pci_name(priv
->pdev
), priv
->fw_alt
);
4479 static int mwl8k_firmware_load_success(struct mwl8k_priv
*priv
);
4480 static void mwl8k_fw_state_machine(const struct firmware
*fw
, void *context
)
4482 struct mwl8k_priv
*priv
= context
;
4483 struct mwl8k_device_info
*di
= priv
->device_info
;
4486 switch (priv
->fw_state
) {
4489 printk(KERN_ERR
"%s: Error requesting helper fw %s\n",
4490 pci_name(priv
->pdev
), di
->helper_image
);
4493 priv
->fw_helper
= fw
;
4494 rc
= mwl8k_request_fw(priv
, priv
->fw_pref
, &priv
->fw_ucode
,
4496 if (rc
&& priv
->fw_alt
) {
4497 rc
= mwl8k_request_alt_fw(priv
);
4500 priv
->fw_state
= FW_STATE_LOADING_ALT
;
4504 priv
->fw_state
= FW_STATE_LOADING_PREF
;
4507 case FW_STATE_LOADING_PREF
:
4510 rc
= mwl8k_request_alt_fw(priv
);
4513 priv
->fw_state
= FW_STATE_LOADING_ALT
;
4517 priv
->fw_ucode
= fw
;
4518 rc
= mwl8k_firmware_load_success(priv
);
4522 complete(&priv
->firmware_loading_complete
);
4526 case FW_STATE_LOADING_ALT
:
4528 printk(KERN_ERR
"%s: Error requesting alt fw %s\n",
4529 pci_name(priv
->pdev
), di
->helper_image
);
4532 priv
->fw_ucode
= fw
;
4533 rc
= mwl8k_firmware_load_success(priv
);
4537 complete(&priv
->firmware_loading_complete
);
4541 printk(KERN_ERR
"%s: Unexpected firmware loading state: %d\n",
4542 MWL8K_NAME
, priv
->fw_state
);
4549 priv
->fw_state
= FW_STATE_ERROR
;
4550 complete(&priv
->firmware_loading_complete
);
4551 device_release_driver(&priv
->pdev
->dev
);
4552 mwl8k_release_firmware(priv
);
4555 static int mwl8k_init_firmware(struct ieee80211_hw
*hw
, char *fw_image
,
4558 struct mwl8k_priv
*priv
= hw
->priv
;
4561 /* Reset firmware and hardware */
4562 mwl8k_hw_reset(priv
);
4564 /* Ask userland hotplug daemon for the device firmware */
4565 rc
= mwl8k_request_firmware(priv
, fw_image
, nowait
);
4567 wiphy_err(hw
->wiphy
, "Firmware files not found\n");
4574 /* Load firmware into hardware */
4575 rc
= mwl8k_load_firmware(hw
);
4577 wiphy_err(hw
->wiphy
, "Cannot start firmware\n");
4579 /* Reclaim memory once firmware is successfully loaded */
4580 mwl8k_release_firmware(priv
);
4585 /* initialize hw after successfully loading a firmware image */
4586 static int mwl8k_probe_hw(struct ieee80211_hw
*hw
)
4588 struct mwl8k_priv
*priv
= hw
->priv
;
4593 priv
->rxd_ops
= priv
->device_info
->ap_rxd_ops
;
4594 if (priv
->rxd_ops
== NULL
) {
4595 wiphy_err(hw
->wiphy
,
4596 "Driver does not have AP firmware image support for this hardware\n");
4597 goto err_stop_firmware
;
4600 priv
->rxd_ops
= &rxd_sta_ops
;
4603 priv
->sniffer_enabled
= false;
4604 priv
->wmm_enabled
= false;
4605 priv
->pending_tx_pkts
= 0;
4607 rc
= mwl8k_rxq_init(hw
, 0);
4609 goto err_stop_firmware
;
4610 rxq_refill(hw
, 0, INT_MAX
);
4612 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
4613 rc
= mwl8k_txq_init(hw
, i
);
4615 goto err_free_queues
;
4618 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS
);
4619 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
4620 iowrite32(MWL8K_A2H_INT_TX_DONE
| MWL8K_A2H_INT_RX_READY
,
4621 priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL
);
4622 iowrite32(0xffffffff, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK
);
4624 rc
= request_irq(priv
->pdev
->irq
, mwl8k_interrupt
,
4625 IRQF_SHARED
, MWL8K_NAME
, hw
);
4627 wiphy_err(hw
->wiphy
, "failed to register IRQ handler\n");
4628 goto err_free_queues
;
4632 * Temporarily enable interrupts. Initial firmware host
4633 * commands use interrupts and avoid polling. Disable
4634 * interrupts when done.
4636 iowrite32(MWL8K_A2H_EVENTS
, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
4638 /* Get config data, mac addrs etc */
4640 rc
= mwl8k_cmd_get_hw_spec_ap(hw
);
4642 rc
= mwl8k_cmd_set_hw_spec(hw
);
4644 rc
= mwl8k_cmd_get_hw_spec_sta(hw
);
4647 wiphy_err(hw
->wiphy
, "Cannot initialise firmware\n");
4651 /* Turn radio off */
4652 rc
= mwl8k_cmd_radio_disable(hw
);
4654 wiphy_err(hw
->wiphy
, "Cannot disable\n");
4658 /* Clear MAC address */
4659 rc
= mwl8k_cmd_set_mac_addr(hw
, NULL
, "\x00\x00\x00\x00\x00\x00");
4661 wiphy_err(hw
->wiphy
, "Cannot clear MAC address\n");
4665 /* Disable interrupts */
4666 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
4667 free_irq(priv
->pdev
->irq
, hw
);
4669 wiphy_info(hw
->wiphy
, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n",
4670 priv
->device_info
->part_name
,
4671 priv
->hw_rev
, hw
->wiphy
->perm_addr
,
4672 priv
->ap_fw
? "AP" : "STA",
4673 (priv
->fw_rev
>> 24) & 0xff, (priv
->fw_rev
>> 16) & 0xff,
4674 (priv
->fw_rev
>> 8) & 0xff, priv
->fw_rev
& 0xff);
4679 iowrite32(0, priv
->regs
+ MWL8K_HIU_A2H_INTERRUPT_MASK
);
4680 free_irq(priv
->pdev
->irq
, hw
);
4683 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
4684 mwl8k_txq_deinit(hw
, i
);
4685 mwl8k_rxq_deinit(hw
, 0);
4688 mwl8k_hw_reset(priv
);
4694 * invoke mwl8k_reload_firmware to change the firmware image after the device
4695 * has already been registered
4697 static int mwl8k_reload_firmware(struct ieee80211_hw
*hw
, char *fw_image
)
4700 struct mwl8k_priv
*priv
= hw
->priv
;
4703 mwl8k_rxq_deinit(hw
, 0);
4705 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
4706 mwl8k_txq_deinit(hw
, i
);
4708 rc
= mwl8k_init_firmware(hw
, fw_image
, false);
4712 rc
= mwl8k_probe_hw(hw
);
4716 rc
= mwl8k_start(hw
);
4720 rc
= mwl8k_config(hw
, ~0);
4724 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++) {
4725 rc
= mwl8k_conf_tx(hw
, i
, &priv
->wmm_params
[i
]);
4733 printk(KERN_WARNING
"mwl8k: Failed to reload firmware image.\n");
4737 static int mwl8k_firmware_load_success(struct mwl8k_priv
*priv
)
4739 struct ieee80211_hw
*hw
= priv
->hw
;
4742 rc
= mwl8k_load_firmware(hw
);
4743 mwl8k_release_firmware(priv
);
4745 wiphy_err(hw
->wiphy
, "Cannot start firmware\n");
4750 * Extra headroom is the size of the required DMA header
4751 * minus the size of the smallest 802.11 frame (CTS frame).
4753 hw
->extra_tx_headroom
=
4754 sizeof(struct mwl8k_dma_data
) - sizeof(struct ieee80211_cts
);
4756 hw
->channel_change_time
= 10;
4758 hw
->queues
= MWL8K_TX_QUEUES
;
4760 /* Set rssi values to dBm */
4761 hw
->flags
|= IEEE80211_HW_SIGNAL_DBM
;
4762 hw
->vif_data_size
= sizeof(struct mwl8k_vif
);
4763 hw
->sta_data_size
= sizeof(struct mwl8k_sta
);
4765 priv
->macids_used
= 0;
4766 INIT_LIST_HEAD(&priv
->vif_list
);
4768 /* Set default radio state and preamble */
4770 priv
->radio_short_preamble
= 0;
4772 /* Finalize join worker */
4773 INIT_WORK(&priv
->finalize_join_worker
, mwl8k_finalize_join_worker
);
4775 /* TX reclaim and RX tasklets. */
4776 tasklet_init(&priv
->poll_tx_task
, mwl8k_tx_poll
, (unsigned long)hw
);
4777 tasklet_disable(&priv
->poll_tx_task
);
4778 tasklet_init(&priv
->poll_rx_task
, mwl8k_rx_poll
, (unsigned long)hw
);
4779 tasklet_disable(&priv
->poll_rx_task
);
4781 /* Power management cookie */
4782 priv
->cookie
= pci_alloc_consistent(priv
->pdev
, 4, &priv
->cookie_dma
);
4783 if (priv
->cookie
== NULL
)
4786 mutex_init(&priv
->fw_mutex
);
4787 priv
->fw_mutex_owner
= NULL
;
4788 priv
->fw_mutex_depth
= 0;
4789 priv
->hostcmd_wait
= NULL
;
4791 spin_lock_init(&priv
->tx_lock
);
4793 priv
->tx_wait
= NULL
;
4795 rc
= mwl8k_probe_hw(hw
);
4797 goto err_free_cookie
;
4799 hw
->wiphy
->interface_modes
= 0;
4800 if (priv
->ap_macids_supported
|| priv
->device_info
->fw_image_ap
)
4801 hw
->wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_AP
);
4802 if (priv
->sta_macids_supported
|| priv
->device_info
->fw_image_sta
)
4803 hw
->wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_STATION
);
4805 rc
= ieee80211_register_hw(hw
);
4807 wiphy_err(hw
->wiphy
, "Cannot register device\n");
4808 goto err_unprobe_hw
;
4814 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
4815 mwl8k_txq_deinit(hw
, i
);
4816 mwl8k_rxq_deinit(hw
, 0);
4819 if (priv
->cookie
!= NULL
)
4820 pci_free_consistent(priv
->pdev
, 4,
4821 priv
->cookie
, priv
->cookie_dma
);
4825 static int __devinit
mwl8k_probe(struct pci_dev
*pdev
,
4826 const struct pci_device_id
*id
)
4828 static int printed_version
;
4829 struct ieee80211_hw
*hw
;
4830 struct mwl8k_priv
*priv
;
4831 struct mwl8k_device_info
*di
;
4834 if (!printed_version
) {
4835 printk(KERN_INFO
"%s version %s\n", MWL8K_DESC
, MWL8K_VERSION
);
4836 printed_version
= 1;
4840 rc
= pci_enable_device(pdev
);
4842 printk(KERN_ERR
"%s: Cannot enable new PCI device\n",
4847 rc
= pci_request_regions(pdev
, MWL8K_NAME
);
4849 printk(KERN_ERR
"%s: Cannot obtain PCI resources\n",
4851 goto err_disable_device
;
4854 pci_set_master(pdev
);
4857 hw
= ieee80211_alloc_hw(sizeof(*priv
), &mwl8k_ops
);
4859 printk(KERN_ERR
"%s: ieee80211 alloc failed\n", MWL8K_NAME
);
4864 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
4865 pci_set_drvdata(pdev
, hw
);
4870 priv
->device_info
= &mwl8k_info_tbl
[id
->driver_data
];
4873 priv
->sram
= pci_iomap(pdev
, 0, 0x10000);
4874 if (priv
->sram
== NULL
) {
4875 wiphy_err(hw
->wiphy
, "Cannot map device SRAM\n");
4880 * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
4881 * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
4883 priv
->regs
= pci_iomap(pdev
, 1, 0x10000);
4884 if (priv
->regs
== NULL
) {
4885 priv
->regs
= pci_iomap(pdev
, 2, 0x10000);
4886 if (priv
->regs
== NULL
) {
4887 wiphy_err(hw
->wiphy
, "Cannot map device registers\n");
4893 * Choose the initial fw image depending on user input. If a second
4894 * image is available, make it the alternative image that will be
4895 * loaded if the first one fails.
4897 init_completion(&priv
->firmware_loading_complete
);
4898 di
= priv
->device_info
;
4899 if (ap_mode_default
&& di
->fw_image_ap
) {
4900 priv
->fw_pref
= di
->fw_image_ap
;
4901 priv
->fw_alt
= di
->fw_image_sta
;
4902 } else if (!ap_mode_default
&& di
->fw_image_sta
) {
4903 priv
->fw_pref
= di
->fw_image_sta
;
4904 priv
->fw_alt
= di
->fw_image_ap
;
4905 } else if (ap_mode_default
&& !di
->fw_image_ap
&& di
->fw_image_sta
) {
4906 printk(KERN_WARNING
"AP fw is unavailable. Using STA fw.");
4907 priv
->fw_pref
= di
->fw_image_sta
;
4908 } else if (!ap_mode_default
&& !di
->fw_image_sta
&& di
->fw_image_ap
) {
4909 printk(KERN_WARNING
"STA fw is unavailable. Using AP fw.");
4910 priv
->fw_pref
= di
->fw_image_ap
;
4912 rc
= mwl8k_init_firmware(hw
, priv
->fw_pref
, true);
4914 goto err_stop_firmware
;
4918 mwl8k_hw_reset(priv
);
4921 if (priv
->regs
!= NULL
)
4922 pci_iounmap(pdev
, priv
->regs
);
4924 if (priv
->sram
!= NULL
)
4925 pci_iounmap(pdev
, priv
->sram
);
4927 pci_set_drvdata(pdev
, NULL
);
4928 ieee80211_free_hw(hw
);
4931 pci_release_regions(pdev
);
4934 pci_disable_device(pdev
);
4939 static void __devexit
mwl8k_shutdown(struct pci_dev
*pdev
)
4941 printk(KERN_ERR
"===>%s(%u)\n", __func__
, __LINE__
);
4944 static void __devexit
mwl8k_remove(struct pci_dev
*pdev
)
4946 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
4947 struct mwl8k_priv
*priv
;
4954 wait_for_completion(&priv
->firmware_loading_complete
);
4956 if (priv
->fw_state
== FW_STATE_ERROR
) {
4957 mwl8k_hw_reset(priv
);
4961 ieee80211_stop_queues(hw
);
4963 ieee80211_unregister_hw(hw
);
4965 /* Remove TX reclaim and RX tasklets. */
4966 tasklet_kill(&priv
->poll_tx_task
);
4967 tasklet_kill(&priv
->poll_rx_task
);
4970 mwl8k_hw_reset(priv
);
4972 /* Return all skbs to mac80211 */
4973 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
4974 mwl8k_txq_reclaim(hw
, i
, INT_MAX
, 1);
4976 for (i
= 0; i
< MWL8K_TX_QUEUES
; i
++)
4977 mwl8k_txq_deinit(hw
, i
);
4979 mwl8k_rxq_deinit(hw
, 0);
4981 pci_free_consistent(priv
->pdev
, 4, priv
->cookie
, priv
->cookie_dma
);
4984 pci_iounmap(pdev
, priv
->regs
);
4985 pci_iounmap(pdev
, priv
->sram
);
4986 pci_set_drvdata(pdev
, NULL
);
4987 ieee80211_free_hw(hw
);
4988 pci_release_regions(pdev
);
4989 pci_disable_device(pdev
);
4992 static struct pci_driver mwl8k_driver
= {
4994 .id_table
= mwl8k_pci_id_table
,
4995 .probe
= mwl8k_probe
,
4996 .remove
= __devexit_p(mwl8k_remove
),
4997 .shutdown
= __devexit_p(mwl8k_shutdown
),
5000 static int __init
mwl8k_init(void)
5002 return pci_register_driver(&mwl8k_driver
);
5005 static void __exit
mwl8k_exit(void)
5007 pci_unregister_driver(&mwl8k_driver
);
5010 module_init(mwl8k_init
);
5011 module_exit(mwl8k_exit
);
5013 MODULE_DESCRIPTION(MWL8K_DESC
);
5014 MODULE_VERSION(MWL8K_VERSION
);
5015 MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
5016 MODULE_LICENSE("GPL");