2 * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 #include <linux/module.h>
20 #include <linux/firmware.h>
21 #include <linux/platform_device.h>
24 unsigned int wcn36xx_dbg_mask
;
25 module_param_named(debug_mask
, wcn36xx_dbg_mask
, uint
, 0644);
26 MODULE_PARM_DESC(debug_mask
, "Debugging mask");
28 #define CHAN2G(_freq, _idx) { \
29 .band = IEEE80211_BAND_2GHZ, \
30 .center_freq = (_freq), \
35 #define CHAN5G(_freq, _idx) { \
36 .band = IEEE80211_BAND_5GHZ, \
37 .center_freq = (_freq), \
42 /* The wcn firmware expects channel values to matching
43 * their mnemonic values. So use these for .hw_value. */
44 static struct ieee80211_channel wcn_2ghz_channels
[] = {
45 CHAN2G(2412, 1), /* Channel 1 */
46 CHAN2G(2417, 2), /* Channel 2 */
47 CHAN2G(2422, 3), /* Channel 3 */
48 CHAN2G(2427, 4), /* Channel 4 */
49 CHAN2G(2432, 5), /* Channel 5 */
50 CHAN2G(2437, 6), /* Channel 6 */
51 CHAN2G(2442, 7), /* Channel 7 */
52 CHAN2G(2447, 8), /* Channel 8 */
53 CHAN2G(2452, 9), /* Channel 9 */
54 CHAN2G(2457, 10), /* Channel 10 */
55 CHAN2G(2462, 11), /* Channel 11 */
56 CHAN2G(2467, 12), /* Channel 12 */
57 CHAN2G(2472, 13), /* Channel 13 */
58 CHAN2G(2484, 14) /* Channel 14 */
62 static struct ieee80211_channel wcn_5ghz_channels
[] = {
88 #define RATE(_bitrate, _hw_rate, _flags) { \
89 .bitrate = (_bitrate), \
91 .hw_value = (_hw_rate), \
92 .hw_value_short = (_hw_rate) \
95 static struct ieee80211_rate wcn_2ghz_rates
[] = {
96 RATE(10, HW_RATE_INDEX_1MBPS
, 0),
97 RATE(20, HW_RATE_INDEX_2MBPS
, IEEE80211_RATE_SHORT_PREAMBLE
),
98 RATE(55, HW_RATE_INDEX_5_5MBPS
, IEEE80211_RATE_SHORT_PREAMBLE
),
99 RATE(110, HW_RATE_INDEX_11MBPS
, IEEE80211_RATE_SHORT_PREAMBLE
),
100 RATE(60, HW_RATE_INDEX_6MBPS
, 0),
101 RATE(90, HW_RATE_INDEX_9MBPS
, 0),
102 RATE(120, HW_RATE_INDEX_12MBPS
, 0),
103 RATE(180, HW_RATE_INDEX_18MBPS
, 0),
104 RATE(240, HW_RATE_INDEX_24MBPS
, 0),
105 RATE(360, HW_RATE_INDEX_36MBPS
, 0),
106 RATE(480, HW_RATE_INDEX_48MBPS
, 0),
107 RATE(540, HW_RATE_INDEX_54MBPS
, 0)
110 static struct ieee80211_rate wcn_5ghz_rates
[] = {
111 RATE(60, HW_RATE_INDEX_6MBPS
, 0),
112 RATE(90, HW_RATE_INDEX_9MBPS
, 0),
113 RATE(120, HW_RATE_INDEX_12MBPS
, 0),
114 RATE(180, HW_RATE_INDEX_18MBPS
, 0),
115 RATE(240, HW_RATE_INDEX_24MBPS
, 0),
116 RATE(360, HW_RATE_INDEX_36MBPS
, 0),
117 RATE(480, HW_RATE_INDEX_48MBPS
, 0),
118 RATE(540, HW_RATE_INDEX_54MBPS
, 0)
121 static struct ieee80211_supported_band wcn_band_2ghz
= {
122 .channels
= wcn_2ghz_channels
,
123 .n_channels
= ARRAY_SIZE(wcn_2ghz_channels
),
124 .bitrates
= wcn_2ghz_rates
,
125 .n_bitrates
= ARRAY_SIZE(wcn_2ghz_rates
),
127 .cap
= IEEE80211_HT_CAP_GRN_FLD
|
128 IEEE80211_HT_CAP_SGI_20
|
129 IEEE80211_HT_CAP_DSSSCCK40
|
130 IEEE80211_HT_CAP_LSIG_TXOP_PROT
,
131 .ht_supported
= true,
132 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
133 .ampdu_density
= IEEE80211_HT_MPDU_DENSITY_16
,
135 .rx_mask
= { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
136 .rx_highest
= cpu_to_le16(72),
137 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
,
142 static struct ieee80211_supported_band wcn_band_5ghz
= {
143 .channels
= wcn_5ghz_channels
,
144 .n_channels
= ARRAY_SIZE(wcn_5ghz_channels
),
145 .bitrates
= wcn_5ghz_rates
,
146 .n_bitrates
= ARRAY_SIZE(wcn_5ghz_rates
),
148 .cap
= IEEE80211_HT_CAP_GRN_FLD
|
149 IEEE80211_HT_CAP_SGI_20
|
150 IEEE80211_HT_CAP_DSSSCCK40
|
151 IEEE80211_HT_CAP_LSIG_TXOP_PROT
|
152 IEEE80211_HT_CAP_SGI_40
|
153 IEEE80211_HT_CAP_SUP_WIDTH_20_40
,
154 .ht_supported
= true,
155 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
156 .ampdu_density
= IEEE80211_HT_MPDU_DENSITY_16
,
158 .rx_mask
= { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
159 .rx_highest
= cpu_to_le16(72),
160 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
,
167 static const struct wiphy_wowlan_support wowlan_support
= {
168 .flags
= WIPHY_WOWLAN_ANY
173 static inline u8
get_sta_index(struct ieee80211_vif
*vif
,
174 struct wcn36xx_sta
*sta_priv
)
176 return NL80211_IFTYPE_STATION
== vif
->type
?
177 sta_priv
->bss_sta_index
:
181 static const char * const wcn36xx_caps_names
[] = {
185 "SLM_SESSIONIZATION", /* 3 */
186 "DOT11AC_OPMODE", /* 4 */
189 "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */
190 "WLANACTIVE_OFFLOAD", /* 8 */
191 "BEACON_OFFLOAD", /* 9 */
192 "SCAN_OFFLOAD", /* 10 */
193 "ROAM_OFFLOAD", /* 11 */
194 "BCN_MISS_OFFLOAD", /* 12 */
195 "STA_POWERSAVE", /* 13 */
196 "STA_ADVANCED_PWRSAVE", /* 14 */
201 "BCN_FILTER", /* 19 */
207 static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x
)
209 if (x
>= ARRAY_SIZE(wcn36xx_caps_names
))
211 return wcn36xx_caps_names
[x
];
214 static void wcn36xx_feat_caps_info(struct wcn36xx
*wcn
)
218 for (i
= 0; i
< MAX_FEATURE_SUPPORTED
; i
++) {
219 if (get_feat_caps(wcn
->fw_feat_caps
, i
))
220 wcn36xx_info("FW Cap %s\n", wcn36xx_get_cap_name(i
));
224 static void wcn36xx_detect_chip_version(struct wcn36xx
*wcn
)
226 if (get_feat_caps(wcn
->fw_feat_caps
, DOT11AC
)) {
227 wcn36xx_info("Chip is 3680\n");
228 wcn
->chip_version
= WCN36XX_CHIP_3680
;
230 wcn36xx_info("Chip is 3660\n");
231 wcn
->chip_version
= WCN36XX_CHIP_3660
;
235 static int wcn36xx_start(struct ieee80211_hw
*hw
)
237 struct wcn36xx
*wcn
= hw
->priv
;
240 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac start\n");
242 /* SMD initialization */
243 ret
= wcn36xx_smd_open(wcn
);
245 wcn36xx_err("Failed to open smd channel: %d\n", ret
);
249 /* Allocate memory pools for Mgmt BD headers and Data BD headers */
250 ret
= wcn36xx_dxe_allocate_mem_pools(wcn
);
252 wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret
);
256 ret
= wcn36xx_dxe_alloc_ctl_blks(wcn
);
258 wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret
);
259 goto out_free_dxe_pool
;
262 wcn
->hal_buf
= kmalloc(WCN36XX_HAL_BUF_SIZE
, GFP_KERNEL
);
264 wcn36xx_err("Failed to allocate smd buf\n");
266 goto out_free_dxe_ctl
;
269 ret
= wcn36xx_smd_load_nv(wcn
);
271 wcn36xx_err("Failed to push NV to chip\n");
272 goto out_free_smd_buf
;
275 ret
= wcn36xx_smd_start(wcn
);
277 wcn36xx_err("Failed to start chip\n");
278 goto out_free_smd_buf
;
281 if (!wcn36xx_is_fw_version(wcn
, 1, 2, 2, 24)) {
282 ret
= wcn36xx_smd_feature_caps_exchange(wcn
);
284 wcn36xx_warn("Exchange feature caps failed\n");
286 wcn36xx_feat_caps_info(wcn
);
289 wcn36xx_detect_chip_version(wcn
);
291 /* DMA channel initialization */
292 ret
= wcn36xx_dxe_init(wcn
);
294 wcn36xx_err("DXE init failed\n");
298 wcn36xx_debugfs_init(wcn
);
300 INIT_LIST_HEAD(&wcn
->vif_list
);
304 wcn36xx_smd_stop(wcn
);
308 wcn36xx_dxe_free_mem_pools(wcn
);
310 wcn36xx_dxe_free_ctl_blks(wcn
);
312 wcn36xx_smd_close(wcn
);
317 static void wcn36xx_stop(struct ieee80211_hw
*hw
)
319 struct wcn36xx
*wcn
= hw
->priv
;
321 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac stop\n");
323 wcn36xx_debugfs_exit(wcn
);
324 wcn36xx_smd_stop(wcn
);
325 wcn36xx_dxe_deinit(wcn
);
326 wcn36xx_smd_close(wcn
);
328 wcn36xx_dxe_free_mem_pools(wcn
);
329 wcn36xx_dxe_free_ctl_blks(wcn
);
334 static int wcn36xx_config(struct ieee80211_hw
*hw
, u32 changed
)
336 struct wcn36xx
*wcn
= hw
->priv
;
337 struct ieee80211_vif
*vif
= NULL
;
338 struct wcn36xx_vif
*tmp
;
340 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac config changed 0x%08x\n", changed
);
342 if (changed
& IEEE80211_CONF_CHANGE_CHANNEL
) {
343 int ch
= WCN36XX_HW_CHANNEL(wcn
);
344 wcn36xx_dbg(WCN36XX_DBG_MAC
, "wcn36xx_config channel switch=%d\n",
346 list_for_each_entry(tmp
, &wcn
->vif_list
, list
) {
347 vif
= container_of((void *)tmp
,
348 struct ieee80211_vif
,
350 wcn36xx_smd_switch_channel(wcn
, vif
, ch
);
357 #define WCN36XX_SUPPORTED_FILTERS (0)
359 static void wcn36xx_configure_filter(struct ieee80211_hw
*hw
,
360 unsigned int changed
,
361 unsigned int *total
, u64 multicast
)
363 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac configure filter\n");
365 *total
&= WCN36XX_SUPPORTED_FILTERS
;
368 static void wcn36xx_tx(struct ieee80211_hw
*hw
,
369 struct ieee80211_tx_control
*control
,
372 struct wcn36xx
*wcn
= hw
->priv
;
373 struct wcn36xx_sta
*sta_priv
= NULL
;
376 sta_priv
= (struct wcn36xx_sta
*)control
->sta
->drv_priv
;
378 if (wcn36xx_start_tx(wcn
, sta_priv
, skb
))
379 ieee80211_free_txskb(wcn
->hw
, skb
);
382 static int wcn36xx_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
383 struct ieee80211_vif
*vif
,
384 struct ieee80211_sta
*sta
,
385 struct ieee80211_key_conf
*key_conf
)
387 struct wcn36xx
*wcn
= hw
->priv
;
388 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
389 struct wcn36xx_sta
*sta_priv
= vif_priv
->sta
;
391 u8 key
[WLAN_MAX_KEY_LEN
];
393 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac80211 set key\n");
394 wcn36xx_dbg(WCN36XX_DBG_MAC
, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n",
395 cmd
, key_conf
->cipher
, key_conf
->keyidx
,
396 key_conf
->keylen
, key_conf
->flags
);
397 wcn36xx_dbg_dump(WCN36XX_DBG_MAC
, "KEY: ",
401 switch (key_conf
->cipher
) {
402 case WLAN_CIPHER_SUITE_WEP40
:
403 vif_priv
->encrypt_type
= WCN36XX_HAL_ED_WEP40
;
405 case WLAN_CIPHER_SUITE_WEP104
:
406 vif_priv
->encrypt_type
= WCN36XX_HAL_ED_WEP40
;
408 case WLAN_CIPHER_SUITE_CCMP
:
409 vif_priv
->encrypt_type
= WCN36XX_HAL_ED_CCMP
;
411 case WLAN_CIPHER_SUITE_TKIP
:
412 vif_priv
->encrypt_type
= WCN36XX_HAL_ED_TKIP
;
415 wcn36xx_err("Unsupported key type 0x%x\n",
423 if (WCN36XX_HAL_ED_TKIP
== vif_priv
->encrypt_type
) {
425 * Supplicant is sending key in the wrong order:
426 * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b)
427 * but HW expects it to be in the order as described in
428 * IEEE 802.11 spec (see chapter 11.7) like this:
429 * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b)
431 memcpy(key
, key_conf
->key
, 16);
432 memcpy(key
+ 16, key_conf
->key
+ 24, 8);
433 memcpy(key
+ 24, key_conf
->key
+ 16, 8);
435 memcpy(key
, key_conf
->key
, key_conf
->keylen
);
438 if (IEEE80211_KEY_FLAG_PAIRWISE
& key_conf
->flags
) {
439 sta_priv
->is_data_encrypted
= true;
440 /* Reconfigure bss with encrypt_type */
441 if (NL80211_IFTYPE_STATION
== vif
->type
)
442 wcn36xx_smd_config_bss(wcn
,
448 wcn36xx_smd_set_stakey(wcn
,
449 vif_priv
->encrypt_type
,
453 get_sta_index(vif
, sta_priv
));
455 wcn36xx_smd_set_bsskey(wcn
,
456 vif_priv
->encrypt_type
,
460 if ((WLAN_CIPHER_SUITE_WEP40
== key_conf
->cipher
) ||
461 (WLAN_CIPHER_SUITE_WEP104
== key_conf
->cipher
)) {
462 sta_priv
->is_data_encrypted
= true;
463 wcn36xx_smd_set_stakey(wcn
,
464 vif_priv
->encrypt_type
,
468 get_sta_index(vif
, sta_priv
));
473 if (!(IEEE80211_KEY_FLAG_PAIRWISE
& key_conf
->flags
)) {
474 wcn36xx_smd_remove_bsskey(wcn
,
475 vif_priv
->encrypt_type
,
478 sta_priv
->is_data_encrypted
= false;
479 /* do not remove key if disassociated */
481 wcn36xx_smd_remove_stakey(wcn
,
482 vif_priv
->encrypt_type
,
484 get_sta_index(vif
, sta_priv
));
488 wcn36xx_err("Unsupported key cmd 0x%x\n", cmd
);
498 static void wcn36xx_sw_scan_start(struct ieee80211_hw
*hw
)
500 struct wcn36xx
*wcn
= hw
->priv
;
502 wcn36xx_smd_init_scan(wcn
, HAL_SYS_MODE_SCAN
);
503 wcn36xx_smd_start_scan(wcn
);
506 static void wcn36xx_sw_scan_complete(struct ieee80211_hw
*hw
)
508 struct wcn36xx
*wcn
= hw
->priv
;
510 wcn36xx_smd_end_scan(wcn
);
511 wcn36xx_smd_finish_scan(wcn
, HAL_SYS_MODE_SCAN
);
514 static void wcn36xx_update_allowed_rates(struct ieee80211_sta
*sta
,
515 enum ieee80211_band band
)
519 struct wcn36xx_sta
*sta_priv
= (struct wcn36xx_sta
*)sta
->drv_priv
;
520 u32 rates
= sta
->supp_rates
[band
];
522 memset(&sta_priv
->supported_rates
, 0,
523 sizeof(sta_priv
->supported_rates
));
524 sta_priv
->supported_rates
.op_rate_mode
= STA_11n
;
526 size
= ARRAY_SIZE(sta_priv
->supported_rates
.dsss_rates
);
527 rates_table
= sta_priv
->supported_rates
.dsss_rates
;
528 if (band
== IEEE80211_BAND_2GHZ
) {
529 for (i
= 0; i
< size
; i
++) {
531 rates_table
[i
] = wcn_2ghz_rates
[i
].hw_value
;
537 size
= ARRAY_SIZE(sta_priv
->supported_rates
.ofdm_rates
);
538 rates_table
= sta_priv
->supported_rates
.ofdm_rates
;
539 for (i
= 0; i
< size
; i
++) {
541 rates_table
[i
] = wcn_5ghz_rates
[i
].hw_value
;
546 if (sta
->ht_cap
.ht_supported
) {
547 BUILD_BUG_ON(sizeof(sta
->ht_cap
.mcs
.rx_mask
) >
548 sizeof(sta_priv
->supported_rates
.supported_mcs_set
));
549 memcpy(sta_priv
->supported_rates
.supported_mcs_set
,
550 sta
->ht_cap
.mcs
.rx_mask
,
551 sizeof(sta
->ht_cap
.mcs
.rx_mask
));
554 void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates
*rates
)
556 u16 ofdm_rates
[WCN36XX_HAL_NUM_OFDM_RATES
] = {
559 HW_RATE_INDEX_12MBPS
,
560 HW_RATE_INDEX_18MBPS
,
561 HW_RATE_INDEX_24MBPS
,
562 HW_RATE_INDEX_36MBPS
,
563 HW_RATE_INDEX_48MBPS
,
566 u16 dsss_rates
[WCN36XX_HAL_NUM_DSSS_RATES
] = {
569 HW_RATE_INDEX_5_5MBPS
,
573 rates
->op_rate_mode
= STA_11n
;
574 memcpy(rates
->dsss_rates
, dsss_rates
,
575 sizeof(*dsss_rates
) * WCN36XX_HAL_NUM_DSSS_RATES
);
576 memcpy(rates
->ofdm_rates
, ofdm_rates
,
577 sizeof(*ofdm_rates
) * WCN36XX_HAL_NUM_OFDM_RATES
);
578 rates
->supported_mcs_set
[0] = 0xFF;
580 static void wcn36xx_bss_info_changed(struct ieee80211_hw
*hw
,
581 struct ieee80211_vif
*vif
,
582 struct ieee80211_bss_conf
*bss_conf
,
585 struct wcn36xx
*wcn
= hw
->priv
;
586 struct sk_buff
*skb
= NULL
;
587 u16 tim_off
, tim_len
;
588 enum wcn36xx_hal_link_state link_state
;
589 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
591 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac bss info changed vif %p changed 0x%08x\n",
594 if (changed
& BSS_CHANGED_BEACON_INFO
) {
595 wcn36xx_dbg(WCN36XX_DBG_MAC
,
596 "mac bss changed dtim period %d\n",
597 bss_conf
->dtim_period
);
599 vif_priv
->dtim_period
= bss_conf
->dtim_period
;
602 if (changed
& BSS_CHANGED_PS
) {
603 wcn36xx_dbg(WCN36XX_DBG_MAC
,
604 "mac bss PS set %d\n",
607 wcn36xx_pmc_enter_bmps_state(wcn
, vif
);
609 wcn36xx_pmc_exit_bmps_state(wcn
, vif
);
613 if (changed
& BSS_CHANGED_BSSID
) {
614 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac bss changed_bssid %pM\n",
617 if (!is_zero_ether_addr(bss_conf
->bssid
)) {
618 vif_priv
->is_joining
= true;
619 vif_priv
->bss_index
= 0xff;
620 wcn36xx_smd_join(wcn
, bss_conf
->bssid
,
621 vif
->addr
, WCN36XX_HW_CHANNEL(wcn
));
622 wcn36xx_smd_config_bss(wcn
, vif
, NULL
,
623 bss_conf
->bssid
, false);
625 vif_priv
->is_joining
= false;
626 wcn36xx_smd_delete_bss(wcn
, vif
);
630 if (changed
& BSS_CHANGED_SSID
) {
631 wcn36xx_dbg(WCN36XX_DBG_MAC
,
632 "mac bss changed ssid\n");
633 wcn36xx_dbg_dump(WCN36XX_DBG_MAC
, "ssid ",
634 bss_conf
->ssid
, bss_conf
->ssid_len
);
636 vif_priv
->ssid
.length
= bss_conf
->ssid_len
;
637 memcpy(&vif_priv
->ssid
.ssid
,
642 if (changed
& BSS_CHANGED_ASSOC
) {
643 vif_priv
->is_joining
= false;
644 if (bss_conf
->assoc
) {
645 struct ieee80211_sta
*sta
;
646 struct wcn36xx_sta
*sta_priv
;
648 wcn36xx_dbg(WCN36XX_DBG_MAC
,
649 "mac assoc bss %pM vif %pM AID=%d\n",
655 sta
= ieee80211_find_sta(vif
, bss_conf
->bssid
);
657 wcn36xx_err("sta %pM is not found\n",
662 sta_priv
= (struct wcn36xx_sta
*)sta
->drv_priv
;
664 wcn36xx_update_allowed_rates(sta
, WCN36XX_BAND(wcn
));
666 wcn36xx_smd_set_link_st(wcn
, bss_conf
->bssid
,
668 WCN36XX_HAL_LINK_POSTASSOC_STATE
);
669 wcn36xx_smd_config_bss(wcn
, vif
, sta
,
672 sta_priv
->aid
= bss_conf
->aid
;
674 * config_sta must be called from because this is the
675 * place where AID is available.
677 wcn36xx_smd_config_sta(wcn
, vif
, sta
);
680 wcn36xx_dbg(WCN36XX_DBG_MAC
,
681 "disassociated bss %pM vif %pM AID=%d\n",
685 wcn36xx_smd_set_link_st(wcn
,
688 WCN36XX_HAL_LINK_IDLE_STATE
);
692 if (changed
& BSS_CHANGED_AP_PROBE_RESP
) {
693 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac bss changed ap probe resp\n");
694 skb
= ieee80211_proberesp_get(hw
, vif
);
696 wcn36xx_err("failed to alloc probereq skb\n");
700 wcn36xx_smd_update_proberesp_tmpl(wcn
, vif
, skb
);
704 if (changed
& BSS_CHANGED_BEACON_ENABLED
||
705 changed
& BSS_CHANGED_BEACON
) {
706 wcn36xx_dbg(WCN36XX_DBG_MAC
,
707 "mac bss changed beacon enabled %d\n",
708 bss_conf
->enable_beacon
);
710 if (bss_conf
->enable_beacon
) {
711 vif_priv
->bss_index
= 0xff;
712 wcn36xx_smd_config_bss(wcn
, vif
, NULL
,
714 skb
= ieee80211_beacon_get_tim(hw
, vif
, &tim_off
,
717 wcn36xx_err("failed to alloc beacon skb\n");
720 wcn36xx_smd_send_beacon(wcn
, vif
, skb
, tim_off
, 0);
723 if (vif
->type
== NL80211_IFTYPE_ADHOC
||
724 vif
->type
== NL80211_IFTYPE_MESH_POINT
)
725 link_state
= WCN36XX_HAL_LINK_IBSS_STATE
;
727 link_state
= WCN36XX_HAL_LINK_AP_STATE
;
729 wcn36xx_smd_set_link_st(wcn
, vif
->addr
, vif
->addr
,
732 wcn36xx_smd_set_link_st(wcn
, vif
->addr
, vif
->addr
,
733 WCN36XX_HAL_LINK_IDLE_STATE
);
734 wcn36xx_smd_delete_bss(wcn
, vif
);
741 /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */
742 static int wcn36xx_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
744 struct wcn36xx
*wcn
= hw
->priv
;
745 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac set RTS threshold %d\n", value
);
747 wcn36xx_smd_update_cfg(wcn
, WCN36XX_HAL_CFG_RTS_THRESHOLD
, value
);
751 static void wcn36xx_remove_interface(struct ieee80211_hw
*hw
,
752 struct ieee80211_vif
*vif
)
754 struct wcn36xx
*wcn
= hw
->priv
;
755 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
756 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac remove interface vif %p\n", vif
);
758 list_del(&vif_priv
->list
);
759 wcn36xx_smd_delete_sta_self(wcn
, vif
->addr
);
762 static int wcn36xx_add_interface(struct ieee80211_hw
*hw
,
763 struct ieee80211_vif
*vif
)
765 struct wcn36xx
*wcn
= hw
->priv
;
766 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
768 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac add interface vif %p type %d\n",
771 if (!(NL80211_IFTYPE_STATION
== vif
->type
||
772 NL80211_IFTYPE_AP
== vif
->type
||
773 NL80211_IFTYPE_ADHOC
== vif
->type
||
774 NL80211_IFTYPE_MESH_POINT
== vif
->type
)) {
775 wcn36xx_warn("Unsupported interface type requested: %d\n",
780 list_add(&vif_priv
->list
, &wcn
->vif_list
);
781 wcn36xx_smd_add_sta_self(wcn
, vif
);
786 static int wcn36xx_sta_add(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
787 struct ieee80211_sta
*sta
)
789 struct wcn36xx
*wcn
= hw
->priv
;
790 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
791 struct wcn36xx_sta
*sta_priv
= (struct wcn36xx_sta
*)sta
->drv_priv
;
792 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac sta add vif %p sta %pM\n",
795 vif_priv
->sta
= sta_priv
;
796 sta_priv
->vif
= vif_priv
;
798 * For STA mode HW will be configured on BSS_CHANGED_ASSOC because
799 * at this stage AID is not available yet.
801 if (NL80211_IFTYPE_STATION
!= vif
->type
) {
802 wcn36xx_update_allowed_rates(sta
, WCN36XX_BAND(wcn
));
803 sta_priv
->aid
= sta
->aid
;
804 wcn36xx_smd_config_sta(wcn
, vif
, sta
);
809 static int wcn36xx_sta_remove(struct ieee80211_hw
*hw
,
810 struct ieee80211_vif
*vif
,
811 struct ieee80211_sta
*sta
)
813 struct wcn36xx
*wcn
= hw
->priv
;
814 struct wcn36xx_vif
*vif_priv
= (struct wcn36xx_vif
*)vif
->drv_priv
;
815 struct wcn36xx_sta
*sta_priv
= (struct wcn36xx_sta
*)sta
->drv_priv
;
817 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac sta remove vif %p sta %pM index %d\n",
818 vif
, sta
->addr
, sta_priv
->sta_index
);
820 wcn36xx_smd_delete_sta(wcn
, sta_priv
->sta_index
);
821 vif_priv
->sta
= NULL
;
822 sta_priv
->vif
= NULL
;
828 static int wcn36xx_suspend(struct ieee80211_hw
*hw
, struct cfg80211_wowlan
*wow
)
830 struct wcn36xx
*wcn
= hw
->priv
;
832 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac suspend\n");
834 flush_workqueue(wcn
->hal_ind_wq
);
835 wcn36xx_smd_set_power_params(wcn
, true);
839 static int wcn36xx_resume(struct ieee80211_hw
*hw
)
841 struct wcn36xx
*wcn
= hw
->priv
;
843 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac resume\n");
845 flush_workqueue(wcn
->hal_ind_wq
);
846 wcn36xx_smd_set_power_params(wcn
, false);
852 static int wcn36xx_ampdu_action(struct ieee80211_hw
*hw
,
853 struct ieee80211_vif
*vif
,
854 enum ieee80211_ampdu_mlme_action action
,
855 struct ieee80211_sta
*sta
, u16 tid
, u16
*ssn
,
858 struct wcn36xx
*wcn
= hw
->priv
;
859 struct wcn36xx_sta
*sta_priv
= NULL
;
861 wcn36xx_dbg(WCN36XX_DBG_MAC
, "mac ampdu action action %d tid %d\n",
864 sta_priv
= (struct wcn36xx_sta
*)sta
->drv_priv
;
867 case IEEE80211_AMPDU_RX_START
:
869 wcn36xx_smd_add_ba_session(wcn
, sta
, tid
, ssn
, 0,
870 get_sta_index(vif
, sta_priv
));
871 wcn36xx_smd_add_ba(wcn
);
872 wcn36xx_smd_trigger_ba(wcn
, get_sta_index(vif
, sta_priv
));
873 ieee80211_start_tx_ba_session(sta
, tid
, 0);
875 case IEEE80211_AMPDU_RX_STOP
:
876 wcn36xx_smd_del_ba(wcn
, tid
, get_sta_index(vif
, sta_priv
));
878 case IEEE80211_AMPDU_TX_START
:
879 ieee80211_start_tx_ba_cb_irqsafe(vif
, sta
->addr
, tid
);
881 case IEEE80211_AMPDU_TX_OPERATIONAL
:
882 wcn36xx_smd_add_ba_session(wcn
, sta
, tid
, ssn
, 1,
883 get_sta_index(vif
, sta_priv
));
885 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
886 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
887 case IEEE80211_AMPDU_TX_STOP_CONT
:
888 ieee80211_stop_tx_ba_cb_irqsafe(vif
, sta
->addr
, tid
);
891 wcn36xx_err("Unknown AMPDU action\n");
897 static const struct ieee80211_ops wcn36xx_ops
= {
898 .start
= wcn36xx_start
,
899 .stop
= wcn36xx_stop
,
900 .add_interface
= wcn36xx_add_interface
,
901 .remove_interface
= wcn36xx_remove_interface
,
903 .suspend
= wcn36xx_suspend
,
904 .resume
= wcn36xx_resume
,
906 .config
= wcn36xx_config
,
907 .configure_filter
= wcn36xx_configure_filter
,
909 .set_key
= wcn36xx_set_key
,
910 .sw_scan_start
= wcn36xx_sw_scan_start
,
911 .sw_scan_complete
= wcn36xx_sw_scan_complete
,
912 .bss_info_changed
= wcn36xx_bss_info_changed
,
913 .set_rts_threshold
= wcn36xx_set_rts_threshold
,
914 .sta_add
= wcn36xx_sta_add
,
915 .sta_remove
= wcn36xx_sta_remove
,
916 .ampdu_action
= wcn36xx_ampdu_action
,
919 static int wcn36xx_init_ieee80211(struct wcn36xx
*wcn
)
923 static const u32 cipher_suites
[] = {
924 WLAN_CIPHER_SUITE_WEP40
,
925 WLAN_CIPHER_SUITE_WEP104
,
926 WLAN_CIPHER_SUITE_TKIP
,
927 WLAN_CIPHER_SUITE_CCMP
,
930 wcn
->hw
->flags
= IEEE80211_HW_SIGNAL_DBM
|
931 IEEE80211_HW_HAS_RATE_CONTROL
|
932 IEEE80211_HW_SUPPORTS_PS
|
933 IEEE80211_HW_CONNECTION_MONITOR
|
934 IEEE80211_HW_AMPDU_AGGREGATION
|
935 IEEE80211_HW_TIMING_BEACON_ONLY
;
937 wcn
->hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
938 BIT(NL80211_IFTYPE_AP
) |
939 BIT(NL80211_IFTYPE_ADHOC
) |
940 BIT(NL80211_IFTYPE_MESH_POINT
);
942 wcn
->hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &wcn_band_2ghz
;
943 wcn
->hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &wcn_band_5ghz
;
945 wcn
->hw
->wiphy
->cipher_suites
= cipher_suites
;
946 wcn
->hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(cipher_suites
);
948 wcn
->hw
->wiphy
->flags
|= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
;
951 wcn
->hw
->wiphy
->wowlan
= &wowlan_support
;
954 wcn
->hw
->max_listen_interval
= 200;
958 SET_IEEE80211_DEV(wcn
->hw
, wcn
->dev
);
960 wcn
->hw
->sta_data_size
= sizeof(struct wcn36xx_sta
);
961 wcn
->hw
->vif_data_size
= sizeof(struct wcn36xx_vif
);
966 static int wcn36xx_platform_get_resources(struct wcn36xx
*wcn
,
967 struct platform_device
*pdev
)
969 struct resource
*res
;
971 res
= platform_get_resource_byname(pdev
, IORESOURCE_IRQ
,
974 wcn36xx_err("failed to get tx_irq\n");
977 wcn
->tx_irq
= res
->start
;
980 res
= platform_get_resource_byname(pdev
, IORESOURCE_IRQ
,
983 wcn36xx_err("failed to get rx_irq\n");
986 wcn
->rx_irq
= res
->start
;
989 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
,
992 wcn36xx_err("failed to get mmio\n");
995 wcn
->mmio
= ioremap(res
->start
, resource_size(res
));
997 wcn36xx_err("failed to map io memory\n");
1003 static int wcn36xx_probe(struct platform_device
*pdev
)
1005 struct ieee80211_hw
*hw
;
1006 struct wcn36xx
*wcn
;
1010 wcn36xx_dbg(WCN36XX_DBG_MAC
, "platform probe\n");
1012 hw
= ieee80211_alloc_hw(sizeof(struct wcn36xx
), &wcn36xx_ops
);
1014 wcn36xx_err("failed to alloc hw\n");
1018 platform_set_drvdata(pdev
, hw
);
1021 wcn
->dev
= &pdev
->dev
;
1022 wcn
->ctrl_ops
= pdev
->dev
.platform_data
;
1024 mutex_init(&wcn
->hal_mutex
);
1026 if (!wcn
->ctrl_ops
->get_hw_mac(addr
)) {
1027 wcn36xx_info("mac address: %pM\n", addr
);
1028 SET_IEEE80211_PERM_ADDR(wcn
->hw
, addr
);
1031 ret
= wcn36xx_platform_get_resources(wcn
, pdev
);
1035 wcn36xx_init_ieee80211(wcn
);
1036 ret
= ieee80211_register_hw(wcn
->hw
);
1045 ieee80211_free_hw(hw
);
1049 static int wcn36xx_remove(struct platform_device
*pdev
)
1051 struct ieee80211_hw
*hw
= platform_get_drvdata(pdev
);
1052 struct wcn36xx
*wcn
= hw
->priv
;
1053 wcn36xx_dbg(WCN36XX_DBG_MAC
, "platform remove\n");
1055 release_firmware(wcn
->nv
);
1056 mutex_destroy(&wcn
->hal_mutex
);
1058 ieee80211_unregister_hw(hw
);
1060 ieee80211_free_hw(hw
);
1064 static const struct platform_device_id wcn36xx_platform_id_table
[] = {
1071 MODULE_DEVICE_TABLE(platform
, wcn36xx_platform_id_table
);
1073 static struct platform_driver wcn36xx_driver
= {
1074 .probe
= wcn36xx_probe
,
1075 .remove
= wcn36xx_remove
,
1078 .owner
= THIS_MODULE
,
1080 .id_table
= wcn36xx_platform_id_table
,
1083 static int __init
wcn36xx_init(void)
1085 platform_driver_register(&wcn36xx_driver
);
1088 module_init(wcn36xx_init
);
1090 static void __exit
wcn36xx_exit(void)
1092 platform_driver_unregister(&wcn36xx_driver
);
1094 module_exit(wcn36xx_exit
);
1096 MODULE_LICENSE("Dual BSD/GPL");
1097 MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com");
1098 MODULE_FIRMWARE(WLAN_NV_FILE
);