2 * Marvell Wireless LAN device driver: CFG80211
4 * Copyright (C) 2011-2014, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
23 static char *reg_alpha2
;
24 module_param(reg_alpha2
, charp
, 0);
26 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits
[] = {
28 .max
= 2, .types
= BIT(NL80211_IFTYPE_STATION
) |
29 BIT(NL80211_IFTYPE_P2P_GO
) |
30 BIT(NL80211_IFTYPE_P2P_CLIENT
),
33 .max
= 1, .types
= BIT(NL80211_IFTYPE_AP
),
37 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta
= {
38 .limits
= mwifiex_ap_sta_limits
,
39 .num_different_channels
= 1,
40 .n_limits
= ARRAY_SIZE(mwifiex_ap_sta_limits
),
41 .max_interfaces
= MWIFIEX_MAX_BSS_NUM
,
42 .beacon_int_infra_match
= true,
46 * This function maps the nl802.11 channel type into driver channel type.
48 * The mapping is as follows -
49 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
50 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
51 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
52 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
53 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
55 u8
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type
)
58 case NL80211_CHAN_NO_HT
:
59 case NL80211_CHAN_HT20
:
60 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
61 case NL80211_CHAN_HT40PLUS
:
62 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
63 case NL80211_CHAN_HT40MINUS
:
64 return IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
66 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
71 * This function checks whether WEP is set.
74 mwifiex_is_alg_wep(u32 cipher
)
77 case WLAN_CIPHER_SUITE_WEP40
:
78 case WLAN_CIPHER_SUITE_WEP104
:
88 * This function retrieves the private structure from kernel wiphy structure.
90 static void *mwifiex_cfg80211_get_adapter(struct wiphy
*wiphy
)
92 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
96 * CFG802.11 operation handler to delete a network key.
99 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
100 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
102 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
103 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
104 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
106 if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
, peer_mac
, 1)) {
107 wiphy_err(wiphy
, "deleting the crypto keys\n");
111 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
116 * This function forms an skb for management frame.
119 mwifiex_form_mgmt_frame(struct sk_buff
*skb
, const u8
*buf
, size_t len
)
121 u8 addr
[ETH_ALEN
] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
123 u32 tx_control
= 0, pkt_type
= PKT_TYPE_MGMT
;
125 pkt_len
= len
+ ETH_ALEN
;
127 skb_reserve(skb
, MWIFIEX_MIN_DATA_HEADER_LEN
+
128 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+ sizeof(pkt_len
));
129 memcpy(skb_push(skb
, sizeof(pkt_len
)), &pkt_len
, sizeof(pkt_len
));
131 memcpy(skb_push(skb
, sizeof(tx_control
)),
132 &tx_control
, sizeof(tx_control
));
134 memcpy(skb_push(skb
, sizeof(pkt_type
)), &pkt_type
, sizeof(pkt_type
));
136 /* Add packet data and address4 */
137 memcpy(skb_put(skb
, sizeof(struct ieee80211_hdr_3addr
)), buf
,
138 sizeof(struct ieee80211_hdr_3addr
));
139 memcpy(skb_put(skb
, ETH_ALEN
), addr
, ETH_ALEN
);
140 memcpy(skb_put(skb
, len
- sizeof(struct ieee80211_hdr_3addr
)),
141 buf
+ sizeof(struct ieee80211_hdr_3addr
),
142 len
- sizeof(struct ieee80211_hdr_3addr
));
144 skb
->priority
= LOW_PRIO_TID
;
145 __net_timestamp(skb
);
151 * CFG802.11 operation handler to transmit a management frame.
154 mwifiex_cfg80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
155 struct cfg80211_mgmt_tx_params
*params
, u64
*cookie
)
157 const u8
*buf
= params
->buf
;
158 size_t len
= params
->len
;
161 const struct ieee80211_mgmt
*mgmt
;
162 struct mwifiex_txinfo
*tx_info
;
163 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
166 wiphy_err(wiphy
, "invalid buffer and length\n");
170 mgmt
= (const struct ieee80211_mgmt
*)buf
;
171 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
&&
172 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
173 /* Since we support offload probe resp, we need to skip probe
174 * resp in AP or GO mode */
176 "info: skip to send probe resp in AP or GO mode\n");
180 pkt_len
= len
+ ETH_ALEN
;
181 skb
= dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN
+
182 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+
183 pkt_len
+ sizeof(pkt_len
));
186 wiphy_err(wiphy
, "allocate skb failed for management frame\n");
190 tx_info
= MWIFIEX_SKB_TXCB(skb
);
191 memset(tx_info
, 0, sizeof(*tx_info
));
192 tx_info
->bss_num
= priv
->bss_num
;
193 tx_info
->bss_type
= priv
->bss_type
;
194 tx_info
->pkt_len
= pkt_len
;
196 mwifiex_form_mgmt_frame(skb
, buf
, len
);
197 *cookie
= prandom_u32() | 1;
199 if (ieee80211_is_action(mgmt
->frame_control
))
200 skb
= mwifiex_clone_skb_for_tx_status(priv
,
202 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS
, cookie
);
204 cfg80211_mgmt_tx_status(wdev
, *cookie
, buf
, len
, true,
207 mwifiex_queue_tx_pkt(priv
, skb
);
209 wiphy_dbg(wiphy
, "info: management frame transmitted\n");
214 * CFG802.11 operation handler to register a mgmt frame.
217 mwifiex_cfg80211_mgmt_frame_register(struct wiphy
*wiphy
,
218 struct wireless_dev
*wdev
,
219 u16 frame_type
, bool reg
)
221 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
225 mask
= priv
->mgmt_frame_mask
| BIT(frame_type
>> 4);
227 mask
= priv
->mgmt_frame_mask
& ~BIT(frame_type
>> 4);
229 if (mask
!= priv
->mgmt_frame_mask
) {
230 priv
->mgmt_frame_mask
= mask
;
231 mwifiex_send_cmd(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
232 HostCmd_ACT_GEN_SET
, 0,
233 &priv
->mgmt_frame_mask
, false);
234 wiphy_dbg(wiphy
, "info: mgmt frame registered\n");
239 * CFG802.11 operation handler to remain on channel.
242 mwifiex_cfg80211_remain_on_channel(struct wiphy
*wiphy
,
243 struct wireless_dev
*wdev
,
244 struct ieee80211_channel
*chan
,
245 unsigned int duration
, u64
*cookie
)
247 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
250 if (!chan
|| !cookie
) {
251 wiphy_err(wiphy
, "Invalid parameter for ROC\n");
255 if (priv
->roc_cfg
.cookie
) {
256 wiphy_dbg(wiphy
, "info: ongoing ROC, cookie = 0x%llx\n",
257 priv
->roc_cfg
.cookie
);
261 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_SET
, chan
,
265 *cookie
= prandom_u32() | 1;
266 priv
->roc_cfg
.cookie
= *cookie
;
267 priv
->roc_cfg
.chan
= *chan
;
269 cfg80211_ready_on_channel(wdev
, *cookie
, chan
,
270 duration
, GFP_ATOMIC
);
272 wiphy_dbg(wiphy
, "info: ROC, cookie = 0x%llx\n", *cookie
);
279 * CFG802.11 operation handler to cancel remain on channel.
282 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
283 struct wireless_dev
*wdev
, u64 cookie
)
285 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
288 if (cookie
!= priv
->roc_cfg
.cookie
)
291 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_REMOVE
,
292 &priv
->roc_cfg
.chan
, 0);
295 cfg80211_remain_on_channel_expired(wdev
, cookie
,
299 memset(&priv
->roc_cfg
, 0, sizeof(struct mwifiex_roc_cfg
));
301 wiphy_dbg(wiphy
, "info: cancel ROC, cookie = 0x%llx\n", cookie
);
308 * CFG802.11 operation handler to set Tx power.
311 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
312 struct wireless_dev
*wdev
,
313 enum nl80211_tx_power_setting type
,
316 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
317 struct mwifiex_private
*priv
;
318 struct mwifiex_power_cfg power_cfg
;
319 int dbm
= MBM_TO_DBM(mbm
);
321 if (type
== NL80211_TX_POWER_FIXED
) {
322 power_cfg
.is_power_auto
= 0;
323 power_cfg
.power_level
= dbm
;
325 power_cfg
.is_power_auto
= 1;
328 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
330 return mwifiex_set_tx_power(priv
, &power_cfg
);
334 * CFG802.11 operation handler to set Power Save option.
336 * The timeout value, if provided, is currently ignored.
339 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
340 struct net_device
*dev
,
341 bool enabled
, int timeout
)
343 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
348 "info: ignore timeout value for IEEE Power Save\n");
352 return mwifiex_drv_set_power(priv
, &ps_mode
);
356 * CFG802.11 operation handler to set the default network key.
359 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
360 u8 key_index
, bool unicast
,
363 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
365 /* Return if WEP key not configured */
366 if (!priv
->sec_info
.wep_enabled
)
369 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_UAP
) {
370 priv
->wep_key_curr_index
= key_index
;
371 } else if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
,
373 wiphy_err(wiphy
, "set default Tx key index\n");
381 * CFG802.11 operation handler to add a network key.
384 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
385 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
386 struct key_params
*params
)
388 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
389 struct mwifiex_wep_key
*wep_key
;
390 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
391 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
393 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
&&
394 (params
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
395 params
->cipher
== WLAN_CIPHER_SUITE_WEP104
)) {
396 if (params
->key
&& params
->key_len
) {
397 wep_key
= &priv
->wep_key
[key_index
];
398 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
399 memcpy(wep_key
->key_material
, params
->key
,
401 wep_key
->key_index
= key_index
;
402 wep_key
->key_length
= params
->key_len
;
403 priv
->sec_info
.wep_enabled
= 1;
408 if (mwifiex_set_encode(priv
, params
, params
->key
, params
->key_len
,
409 key_index
, peer_mac
, 0)) {
410 wiphy_err(wiphy
, "crypto keys added\n");
418 * This function sends domain information to the firmware.
420 * The following information are passed to the firmware -
422 * - Sub bands (first channel, number of channels, maximum Tx power)
424 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
426 u8 no_of_triplet
= 0;
427 struct ieee80211_country_ie_triplet
*t
;
428 u8 no_of_parsed_chan
= 0;
429 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
431 enum ieee80211_band band
;
432 struct ieee80211_supported_band
*sband
;
433 struct ieee80211_channel
*ch
;
434 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
435 struct mwifiex_private
*priv
;
436 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
438 /* Set country code */
439 domain_info
->country_code
[0] = adapter
->country_code
[0];
440 domain_info
->country_code
[1] = adapter
->country_code
[1];
441 domain_info
->country_code
[2] = ' ';
443 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
444 if (!wiphy
->bands
[band
]) {
445 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
449 sband
= wiphy
->bands
[band
];
451 for (i
= 0; i
< sband
->n_channels
; i
++) {
452 ch
= &sband
->channels
[i
];
453 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
458 first_chan
= (u32
) ch
->hw_value
;
459 next_chan
= first_chan
;
460 max_pwr
= ch
->max_power
;
461 no_of_parsed_chan
= 1;
465 if (ch
->hw_value
== next_chan
+ 1 &&
466 ch
->max_power
== max_pwr
) {
470 t
= &domain_info
->triplet
[no_of_triplet
];
471 t
->chans
.first_channel
= first_chan
;
472 t
->chans
.num_channels
= no_of_parsed_chan
;
473 t
->chans
.max_power
= max_pwr
;
475 first_chan
= (u32
) ch
->hw_value
;
476 next_chan
= first_chan
;
477 max_pwr
= ch
->max_power
;
478 no_of_parsed_chan
= 1;
483 t
= &domain_info
->triplet
[no_of_triplet
];
484 t
->chans
.first_channel
= first_chan
;
485 t
->chans
.num_channels
= no_of_parsed_chan
;
486 t
->chans
.max_power
= max_pwr
;
490 domain_info
->no_of_triplet
= no_of_triplet
;
492 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
494 if (mwifiex_send_cmd(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
495 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
496 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
504 * CFG802.11 regulatory domain callback function.
506 * This function is called when the regulatory domain is changed due to the
507 * following reasons -
509 * - Set by system core
511 * - Set bt Country IE
513 static void mwifiex_reg_notifier(struct wiphy
*wiphy
,
514 struct regulatory_request
*request
)
516 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
517 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
518 MWIFIEX_BSS_ROLE_ANY
);
520 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
521 request
->alpha2
[0], request
->alpha2
[1]);
523 switch (request
->initiator
) {
524 case NL80211_REGDOM_SET_BY_DRIVER
:
525 case NL80211_REGDOM_SET_BY_CORE
:
526 case NL80211_REGDOM_SET_BY_USER
:
527 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
530 wiphy_err(wiphy
, "unknown regdom initiator: %d\n",
535 /* Don't send world or same regdom info to firmware */
536 if (strncmp(request
->alpha2
, "00", 2) &&
537 strncmp(request
->alpha2
, adapter
->country_code
,
538 sizeof(request
->alpha2
))) {
539 memcpy(adapter
->country_code
, request
->alpha2
,
540 sizeof(request
->alpha2
));
541 mwifiex_send_domain_info_cmd_fw(wiphy
);
542 mwifiex_dnld_txpwr_table(priv
);
547 * This function sets the fragmentation threshold.
549 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
550 * and MWIFIEX_FRAG_MAX_VALUE.
553 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
555 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
556 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
557 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
559 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
560 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
565 * This function sets the RTS threshold.
567 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
568 * and MWIFIEX_RTS_MAX_VALUE.
571 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
573 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
574 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
576 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
577 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
582 * CFG802.11 operation handler to set wiphy parameters.
584 * This function can be used to set the RTS threshold and the
585 * Fragmentation threshold of the driver.
588 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
590 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
591 struct mwifiex_private
*priv
;
592 struct mwifiex_uap_bss_param
*bss_cfg
;
595 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
597 switch (priv
->bss_role
) {
598 case MWIFIEX_BSS_ROLE_UAP
:
599 if (priv
->bss_started
) {
600 dev_err(adapter
->dev
,
601 "cannot change wiphy params when bss started");
605 bss_cfg
= kzalloc(sizeof(*bss_cfg
), GFP_KERNEL
);
609 mwifiex_set_sys_config_invalid_data(bss_cfg
);
611 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
612 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
613 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
614 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
615 if (changed
& WIPHY_PARAM_RETRY_LONG
)
616 bss_cfg
->retry_limit
= wiphy
->retry_long
;
618 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
620 UAP_BSS_PARAMS_I
, bss_cfg
,
625 wiphy_err(wiphy
, "Failed to set wiphy phy params\n");
630 case MWIFIEX_BSS_ROLE_STA
:
631 if (priv
->media_connected
) {
632 dev_err(adapter
->dev
,
633 "cannot change wiphy params when connected");
636 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
637 ret
= mwifiex_set_rts(priv
,
638 wiphy
->rts_threshold
);
642 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
643 ret
= mwifiex_set_frag(priv
,
644 wiphy
->frag_threshold
);
655 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private
*priv
)
657 u16 mode
= P2P_MODE_DISABLE
;
659 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
660 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
667 * This function initializes the functionalities for P2P client.
668 * The P2P client initialization sequence is:
669 * disable -> device -> client
672 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private
*priv
)
676 if (mwifiex_cfg80211_deinit_p2p(priv
))
679 mode
= P2P_MODE_DEVICE
;
680 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
681 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
684 mode
= P2P_MODE_CLIENT
;
685 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
686 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
693 * This function initializes the functionalities for P2P GO.
694 * The P2P GO initialization sequence is:
695 * disable -> device -> GO
698 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private
*priv
)
702 if (mwifiex_cfg80211_deinit_p2p(priv
))
705 mode
= P2P_MODE_DEVICE
;
706 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
707 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
711 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
712 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
718 static int mwifiex_deinit_priv_params(struct mwifiex_private
*priv
)
720 struct mwifiex_adapter
*adapter
= priv
->adapter
;
723 priv
->mgmt_frame_mask
= 0;
724 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
725 HostCmd_ACT_GEN_SET
, 0,
726 &priv
->mgmt_frame_mask
, false)) {
727 dev_warn(priv
->adapter
->dev
,
728 "could not unregister mgmt frame rx\n");
732 mwifiex_deauthenticate(priv
, NULL
);
734 spin_lock_irqsave(&adapter
->main_proc_lock
, flags
);
735 adapter
->main_locked
= true;
736 if (adapter
->mwifiex_processing
) {
737 spin_unlock_irqrestore(&adapter
->main_proc_lock
, flags
);
738 flush_workqueue(adapter
->workqueue
);
740 spin_unlock_irqrestore(&adapter
->main_proc_lock
, flags
);
743 spin_lock_irqsave(&adapter
->rx_proc_lock
, flags
);
744 adapter
->rx_locked
= true;
745 if (adapter
->rx_processing
) {
746 spin_unlock_irqrestore(&adapter
->rx_proc_lock
, flags
);
747 flush_workqueue(adapter
->rx_workqueue
);
749 spin_unlock_irqrestore(&adapter
->rx_proc_lock
, flags
);
752 mwifiex_free_priv(priv
);
753 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
754 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
755 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
761 mwifiex_init_new_priv_params(struct mwifiex_private
*priv
,
762 struct net_device
*dev
,
763 enum nl80211_iftype type
)
765 struct mwifiex_adapter
*adapter
= priv
->adapter
;
768 mwifiex_init_priv(priv
);
770 priv
->bss_mode
= type
;
771 priv
->wdev
.iftype
= type
;
773 mwifiex_init_priv_params(priv
, priv
->netdev
);
774 priv
->bss_started
= 0;
777 case NL80211_IFTYPE_STATION
:
778 case NL80211_IFTYPE_ADHOC
:
779 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
780 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
782 case NL80211_IFTYPE_P2P_CLIENT
:
783 case NL80211_IFTYPE_P2P_GO
:
784 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
785 priv
->bss_type
= MWIFIEX_BSS_TYPE_P2P
;
787 case NL80211_IFTYPE_AP
:
788 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
789 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
792 dev_err(priv
->adapter
->dev
,
793 "%s: changing to %d not supported\n",
798 spin_lock_irqsave(&adapter
->main_proc_lock
, flags
);
799 adapter
->main_locked
= false;
800 spin_unlock_irqrestore(&adapter
->main_proc_lock
, flags
);
802 spin_lock_irqsave(&adapter
->rx_proc_lock
, flags
);
803 adapter
->rx_locked
= false;
804 spin_unlock_irqrestore(&adapter
->rx_proc_lock
, flags
);
810 mwifiex_change_vif_to_p2p(struct net_device
*dev
,
811 enum nl80211_iftype curr_iftype
,
812 enum nl80211_iftype type
, u32
*flags
,
813 struct vif_params
*params
)
815 struct mwifiex_private
*priv
;
816 struct mwifiex_adapter
*adapter
;
818 priv
= mwifiex_netdev_get_priv(dev
);
823 adapter
= priv
->adapter
;
825 if (adapter
->curr_iface_comb
.p2p_intf
==
826 adapter
->iface_limit
.p2p_intf
) {
827 dev_err(adapter
->dev
,
828 "cannot create multiple P2P ifaces\n");
832 dev_dbg(priv
->adapter
->dev
, "%s: changing role to p2p\n", dev
->name
);
834 if (mwifiex_deinit_priv_params(priv
))
836 if (mwifiex_init_new_priv_params(priv
, dev
, type
))
840 case NL80211_IFTYPE_P2P_CLIENT
:
841 if (mwifiex_cfg80211_init_p2p_client(priv
))
844 case NL80211_IFTYPE_P2P_GO
:
845 if (mwifiex_cfg80211_init_p2p_go(priv
))
849 dev_err(priv
->adapter
->dev
,
850 "%s: changing to %d not supported\n",
855 if (mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
856 HostCmd_ACT_GEN_SET
, 0, NULL
, true))
859 if (mwifiex_sta_init_cmd(priv
, false, false))
862 switch (curr_iftype
) {
863 case NL80211_IFTYPE_STATION
:
864 case NL80211_IFTYPE_ADHOC
:
865 adapter
->curr_iface_comb
.sta_intf
--;
867 case NL80211_IFTYPE_AP
:
868 adapter
->curr_iface_comb
.uap_intf
--;
874 adapter
->curr_iface_comb
.p2p_intf
++;
875 dev
->ieee80211_ptr
->iftype
= type
;
881 mwifiex_change_vif_to_sta_adhoc(struct net_device
*dev
,
882 enum nl80211_iftype curr_iftype
,
883 enum nl80211_iftype type
, u32
*flags
,
884 struct vif_params
*params
)
886 struct mwifiex_private
*priv
;
887 struct mwifiex_adapter
*adapter
;
889 priv
= mwifiex_netdev_get_priv(dev
);
894 adapter
= priv
->adapter
;
896 if ((curr_iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
897 curr_iftype
!= NL80211_IFTYPE_P2P_GO
) &&
898 (adapter
->curr_iface_comb
.sta_intf
==
899 adapter
->iface_limit
.sta_intf
)) {
900 dev_err(adapter
->dev
,
901 "cannot create multiple station/adhoc ifaces\n");
905 if (type
== NL80211_IFTYPE_STATION
)
906 dev_notice(adapter
->dev
,
907 "%s: changing role to station\n", dev
->name
);
909 dev_notice(adapter
->dev
,
910 "%s: changing role to adhoc\n", dev
->name
);
912 if (mwifiex_deinit_priv_params(priv
))
914 if (mwifiex_init_new_priv_params(priv
, dev
, type
))
916 if (mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
917 HostCmd_ACT_GEN_SET
, 0, NULL
, true))
919 if (mwifiex_sta_init_cmd(priv
, false, false))
922 switch (curr_iftype
) {
923 case NL80211_IFTYPE_P2P_CLIENT
:
924 case NL80211_IFTYPE_P2P_GO
:
925 adapter
->curr_iface_comb
.p2p_intf
--;
927 case NL80211_IFTYPE_AP
:
928 adapter
->curr_iface_comb
.uap_intf
--;
934 adapter
->curr_iface_comb
.sta_intf
++;
935 dev
->ieee80211_ptr
->iftype
= type
;
940 mwifiex_change_vif_to_ap(struct net_device
*dev
,
941 enum nl80211_iftype curr_iftype
,
942 enum nl80211_iftype type
, u32
*flags
,
943 struct vif_params
*params
)
945 struct mwifiex_private
*priv
;
946 struct mwifiex_adapter
*adapter
;
948 priv
= mwifiex_netdev_get_priv(dev
);
953 adapter
= priv
->adapter
;
955 if (adapter
->curr_iface_comb
.uap_intf
==
956 adapter
->iface_limit
.uap_intf
) {
957 dev_err(adapter
->dev
,
958 "cannot create multiple AP ifaces\n");
962 dev_notice(adapter
->dev
, "%s: changing role to AP\n", dev
->name
);
964 if (mwifiex_deinit_priv_params(priv
))
966 if (mwifiex_init_new_priv_params(priv
, dev
, type
))
968 if (mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
969 HostCmd_ACT_GEN_SET
, 0, NULL
, true))
971 if (mwifiex_sta_init_cmd(priv
, false, false))
974 switch (curr_iftype
) {
975 case NL80211_IFTYPE_P2P_CLIENT
:
976 case NL80211_IFTYPE_P2P_GO
:
977 adapter
->curr_iface_comb
.p2p_intf
--;
979 case NL80211_IFTYPE_STATION
:
980 case NL80211_IFTYPE_ADHOC
:
981 adapter
->curr_iface_comb
.sta_intf
--;
987 adapter
->curr_iface_comb
.uap_intf
++;
988 dev
->ieee80211_ptr
->iftype
= type
;
992 * CFG802.11 operation handler to change interface type.
995 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
996 struct net_device
*dev
,
997 enum nl80211_iftype type
, u32
*flags
,
998 struct vif_params
*params
)
1000 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1001 enum nl80211_iftype curr_iftype
= dev
->ieee80211_ptr
->iftype
;
1003 switch (curr_iftype
) {
1004 case NL80211_IFTYPE_ADHOC
:
1006 case NL80211_IFTYPE_STATION
:
1007 priv
->bss_mode
= type
;
1008 priv
->sec_info
.authentication_mode
=
1009 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1010 dev
->ieee80211_ptr
->iftype
= type
;
1011 mwifiex_deauthenticate(priv
, NULL
);
1012 return mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
1013 HostCmd_ACT_GEN_SET
, 0, NULL
,
1015 case NL80211_IFTYPE_P2P_CLIENT
:
1016 case NL80211_IFTYPE_P2P_GO
:
1017 return mwifiex_change_vif_to_p2p(dev
, curr_iftype
,
1018 type
, flags
, params
);
1019 case NL80211_IFTYPE_AP
:
1020 return mwifiex_change_vif_to_ap(dev
, curr_iftype
, type
,
1022 case NL80211_IFTYPE_UNSPECIFIED
:
1023 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
1024 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
1027 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
1032 case NL80211_IFTYPE_STATION
:
1034 case NL80211_IFTYPE_ADHOC
:
1035 priv
->bss_mode
= type
;
1036 priv
->sec_info
.authentication_mode
=
1037 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1038 dev
->ieee80211_ptr
->iftype
= type
;
1039 mwifiex_deauthenticate(priv
, NULL
);
1040 return mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
1041 HostCmd_ACT_GEN_SET
, 0, NULL
,
1043 case NL80211_IFTYPE_P2P_CLIENT
:
1044 case NL80211_IFTYPE_P2P_GO
:
1045 return mwifiex_change_vif_to_p2p(dev
, curr_iftype
,
1046 type
, flags
, params
);
1047 case NL80211_IFTYPE_AP
:
1048 return mwifiex_change_vif_to_ap(dev
, curr_iftype
, type
,
1050 case NL80211_IFTYPE_UNSPECIFIED
:
1051 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
1052 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
1055 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
1060 case NL80211_IFTYPE_AP
:
1062 case NL80211_IFTYPE_ADHOC
:
1063 case NL80211_IFTYPE_STATION
:
1064 return mwifiex_change_vif_to_sta_adhoc(dev
, curr_iftype
,
1068 case NL80211_IFTYPE_P2P_CLIENT
:
1069 case NL80211_IFTYPE_P2P_GO
:
1070 return mwifiex_change_vif_to_p2p(dev
, curr_iftype
,
1071 type
, flags
, params
);
1072 case NL80211_IFTYPE_UNSPECIFIED
:
1073 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
1074 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
1077 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
1082 case NL80211_IFTYPE_P2P_CLIENT
:
1083 case NL80211_IFTYPE_P2P_GO
:
1085 case NL80211_IFTYPE_STATION
:
1086 if (mwifiex_cfg80211_init_p2p_client(priv
))
1088 dev
->ieee80211_ptr
->iftype
= type
;
1090 case NL80211_IFTYPE_ADHOC
:
1091 if (mwifiex_cfg80211_deinit_p2p(priv
))
1093 return mwifiex_change_vif_to_sta_adhoc(dev
, curr_iftype
,
1097 case NL80211_IFTYPE_AP
:
1098 if (mwifiex_cfg80211_deinit_p2p(priv
))
1100 return mwifiex_change_vif_to_ap(dev
, curr_iftype
, type
,
1102 case NL80211_IFTYPE_UNSPECIFIED
:
1103 wiphy_warn(wiphy
, "%s: kept type as P2P\n", dev
->name
);
1104 case NL80211_IFTYPE_P2P_CLIENT
:
1105 case NL80211_IFTYPE_P2P_GO
:
1108 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
1114 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
1115 dev
->name
, dev
->ieee80211_ptr
->iftype
);
1124 mwifiex_parse_htinfo(struct mwifiex_private
*priv
, u8 tx_htinfo
,
1125 struct rate_info
*rate
)
1127 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1129 if (adapter
->is_hw_11ac_capable
) {
1130 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1131 if (tx_htinfo
& BIT(0)) {
1133 rate
->mcs
= priv
->tx_rate
;
1134 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
1136 if (tx_htinfo
& BIT(1)) {
1138 rate
->mcs
= priv
->tx_rate
& 0x0F;
1139 rate
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
1142 if (tx_htinfo
& (BIT(1) | BIT(0))) {
1144 switch (tx_htinfo
& (BIT(3) | BIT(2))) {
1146 rate
->bw
= RATE_INFO_BW_20
;
1149 rate
->bw
= RATE_INFO_BW_40
;
1152 rate
->bw
= RATE_INFO_BW_80
;
1154 case (BIT(3) | BIT(2)):
1155 rate
->bw
= RATE_INFO_BW_160
;
1159 if (tx_htinfo
& BIT(4))
1160 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1162 if ((priv
->tx_rate
>> 4) == 1)
1169 * Bit 0 in tx_htinfo indicates that current Tx rate
1170 * is 11n rate. Valid MCS index values for us are 0 to 15.
1172 if ((tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 16)) {
1173 rate
->mcs
= priv
->tx_rate
;
1174 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
1175 rate
->bw
= RATE_INFO_BW_20
;
1176 if (tx_htinfo
& BIT(1))
1177 rate
->bw
= RATE_INFO_BW_40
;
1178 if (tx_htinfo
& BIT(2))
1179 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1185 * This function dumps the station information on a buffer.
1187 * The following information are shown -
1188 * - Total bytes transmitted
1189 * - Total bytes received
1190 * - Total packets transmitted
1191 * - Total packets received
1192 * - Signal quality level
1193 * - Transmission rate
1196 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
1197 struct station_info
*sinfo
)
1201 sinfo
->filled
= BIT(NL80211_STA_INFO_RX_BYTES
) | BIT(NL80211_STA_INFO_TX_BYTES
) |
1202 BIT(NL80211_STA_INFO_RX_PACKETS
) | BIT(NL80211_STA_INFO_TX_PACKETS
) |
1203 BIT(NL80211_STA_INFO_TX_BITRATE
) |
1204 BIT(NL80211_STA_INFO_SIGNAL
) | BIT(NL80211_STA_INFO_SIGNAL_AVG
);
1206 /* Get signal information from the firmware */
1207 if (mwifiex_send_cmd(priv
, HostCmd_CMD_RSSI_INFO
,
1208 HostCmd_ACT_GEN_GET
, 0, NULL
, true)) {
1209 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
1213 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
1214 dev_err(priv
->adapter
->dev
, "getting data rate\n");
1218 /* Get DTIM period information from firmware */
1219 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
1220 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
1221 &priv
->dtim_period
, true);
1223 mwifiex_parse_htinfo(priv
, priv
->tx_htinfo
, &sinfo
->txrate
);
1225 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
1226 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
1227 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
1228 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
1229 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
1230 sinfo
->signal
= priv
->bcn_rssi_avg
;
1231 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1232 sinfo
->txrate
.legacy
= rate
* 5;
1234 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
1235 sinfo
->filled
|= BIT(NL80211_STA_INFO_BSS_PARAM
);
1236 sinfo
->bss_param
.flags
= 0;
1237 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
1238 WLAN_CAPABILITY_SHORT_PREAMBLE
)
1239 sinfo
->bss_param
.flags
|=
1240 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
1241 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
1242 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
1243 sinfo
->bss_param
.flags
|=
1244 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
1245 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
1246 sinfo
->bss_param
.beacon_interval
=
1247 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
1254 * CFG802.11 operation handler to get station information.
1256 * This function only works in connected mode, and dumps the
1257 * requested station information, if available.
1260 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1261 const u8
*mac
, struct station_info
*sinfo
)
1263 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1265 if (!priv
->media_connected
)
1267 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
1270 return mwifiex_dump_station_info(priv
, sinfo
);
1274 * CFG802.11 operation handler to dump station information.
1277 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1278 int idx
, u8
*mac
, struct station_info
*sinfo
)
1280 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1282 if (!priv
->media_connected
|| idx
)
1285 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
1287 return mwifiex_dump_station_info(priv
, sinfo
);
1291 mwifiex_cfg80211_dump_survey(struct wiphy
*wiphy
, struct net_device
*dev
,
1292 int idx
, struct survey_info
*survey
)
1294 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1295 struct mwifiex_chan_stats
*pchan_stats
= priv
->adapter
->chan_stats
;
1296 enum ieee80211_band band
;
1298 dev_dbg(priv
->adapter
->dev
, "dump_survey idx=%d\n", idx
);
1300 memset(survey
, 0, sizeof(struct survey_info
));
1302 if ((GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_STA
) &&
1303 priv
->media_connected
&& idx
== 0) {
1304 u8 curr_bss_band
= priv
->curr_bss_params
.band
;
1305 u32 chan
= priv
->curr_bss_params
.bss_descriptor
.channel
;
1307 band
= mwifiex_band_to_radio_type(curr_bss_band
);
1308 survey
->channel
= ieee80211_get_channel(wiphy
,
1309 ieee80211_channel_to_frequency(chan
, band
));
1311 if (priv
->bcn_nf_last
) {
1312 survey
->filled
= SURVEY_INFO_NOISE_DBM
;
1313 survey
->noise
= priv
->bcn_nf_last
;
1318 if (idx
>= priv
->adapter
->num_in_chan_stats
)
1321 if (!pchan_stats
[idx
].cca_scan_dur
)
1324 band
= pchan_stats
[idx
].bandcfg
;
1325 survey
->channel
= ieee80211_get_channel(wiphy
,
1326 ieee80211_channel_to_frequency(pchan_stats
[idx
].chan_num
, band
));
1327 survey
->filled
= SURVEY_INFO_NOISE_DBM
|
1329 SURVEY_INFO_TIME_BUSY
;
1330 survey
->noise
= pchan_stats
[idx
].noise
;
1331 survey
->time
= pchan_stats
[idx
].cca_scan_dur
;
1332 survey
->time_busy
= pchan_stats
[idx
].cca_busy_dur
;
1337 /* Supported rates to be advertised to the cfg80211 */
1338 static struct ieee80211_rate mwifiex_rates
[] = {
1339 {.bitrate
= 10, .hw_value
= 2, },
1340 {.bitrate
= 20, .hw_value
= 4, },
1341 {.bitrate
= 55, .hw_value
= 11, },
1342 {.bitrate
= 110, .hw_value
= 22, },
1343 {.bitrate
= 60, .hw_value
= 12, },
1344 {.bitrate
= 90, .hw_value
= 18, },
1345 {.bitrate
= 120, .hw_value
= 24, },
1346 {.bitrate
= 180, .hw_value
= 36, },
1347 {.bitrate
= 240, .hw_value
= 48, },
1348 {.bitrate
= 360, .hw_value
= 72, },
1349 {.bitrate
= 480, .hw_value
= 96, },
1350 {.bitrate
= 540, .hw_value
= 108, },
1353 /* Channel definitions to be advertised to cfg80211 */
1354 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
1355 {.center_freq
= 2412, .hw_value
= 1, },
1356 {.center_freq
= 2417, .hw_value
= 2, },
1357 {.center_freq
= 2422, .hw_value
= 3, },
1358 {.center_freq
= 2427, .hw_value
= 4, },
1359 {.center_freq
= 2432, .hw_value
= 5, },
1360 {.center_freq
= 2437, .hw_value
= 6, },
1361 {.center_freq
= 2442, .hw_value
= 7, },
1362 {.center_freq
= 2447, .hw_value
= 8, },
1363 {.center_freq
= 2452, .hw_value
= 9, },
1364 {.center_freq
= 2457, .hw_value
= 10, },
1365 {.center_freq
= 2462, .hw_value
= 11, },
1366 {.center_freq
= 2467, .hw_value
= 12, },
1367 {.center_freq
= 2472, .hw_value
= 13, },
1368 {.center_freq
= 2484, .hw_value
= 14, },
1371 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
1372 .channels
= mwifiex_channels_2ghz
,
1373 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
1374 .bitrates
= mwifiex_rates
,
1375 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
1378 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
1379 {.center_freq
= 5040, .hw_value
= 8, },
1380 {.center_freq
= 5060, .hw_value
= 12, },
1381 {.center_freq
= 5080, .hw_value
= 16, },
1382 {.center_freq
= 5170, .hw_value
= 34, },
1383 {.center_freq
= 5190, .hw_value
= 38, },
1384 {.center_freq
= 5210, .hw_value
= 42, },
1385 {.center_freq
= 5230, .hw_value
= 46, },
1386 {.center_freq
= 5180, .hw_value
= 36, },
1387 {.center_freq
= 5200, .hw_value
= 40, },
1388 {.center_freq
= 5220, .hw_value
= 44, },
1389 {.center_freq
= 5240, .hw_value
= 48, },
1390 {.center_freq
= 5260, .hw_value
= 52, },
1391 {.center_freq
= 5280, .hw_value
= 56, },
1392 {.center_freq
= 5300, .hw_value
= 60, },
1393 {.center_freq
= 5320, .hw_value
= 64, },
1394 {.center_freq
= 5500, .hw_value
= 100, },
1395 {.center_freq
= 5520, .hw_value
= 104, },
1396 {.center_freq
= 5540, .hw_value
= 108, },
1397 {.center_freq
= 5560, .hw_value
= 112, },
1398 {.center_freq
= 5580, .hw_value
= 116, },
1399 {.center_freq
= 5600, .hw_value
= 120, },
1400 {.center_freq
= 5620, .hw_value
= 124, },
1401 {.center_freq
= 5640, .hw_value
= 128, },
1402 {.center_freq
= 5660, .hw_value
= 132, },
1403 {.center_freq
= 5680, .hw_value
= 136, },
1404 {.center_freq
= 5700, .hw_value
= 140, },
1405 {.center_freq
= 5745, .hw_value
= 149, },
1406 {.center_freq
= 5765, .hw_value
= 153, },
1407 {.center_freq
= 5785, .hw_value
= 157, },
1408 {.center_freq
= 5805, .hw_value
= 161, },
1409 {.center_freq
= 5825, .hw_value
= 165, },
1412 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
1413 .channels
= mwifiex_channels_5ghz
,
1414 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
1415 .bitrates
= mwifiex_rates
+ 4,
1416 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
1420 /* Supported crypto cipher suits to be advertised to cfg80211 */
1421 static const u32 mwifiex_cipher_suites
[] = {
1422 WLAN_CIPHER_SUITE_WEP40
,
1423 WLAN_CIPHER_SUITE_WEP104
,
1424 WLAN_CIPHER_SUITE_TKIP
,
1425 WLAN_CIPHER_SUITE_CCMP
,
1426 WLAN_CIPHER_SUITE_AES_CMAC
,
1429 /* Supported mgmt frame types to be advertised to cfg80211 */
1430 static const struct ieee80211_txrx_stypes
1431 mwifiex_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
1432 [NL80211_IFTYPE_STATION
] = {
1433 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1434 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1435 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1436 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1438 [NL80211_IFTYPE_AP
] = {
1439 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1440 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1441 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1442 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1444 [NL80211_IFTYPE_P2P_CLIENT
] = {
1445 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1446 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1447 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1448 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1450 [NL80211_IFTYPE_P2P_GO
] = {
1451 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1452 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1453 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1454 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1459 * CFG802.11 operation handler for setting bit rates.
1461 * Function configures data rates to firmware using bitrate mask
1462 * provided by cfg80211.
1464 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
1465 struct net_device
*dev
,
1467 const struct cfg80211_bitrate_mask
*mask
)
1469 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1470 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
1471 enum ieee80211_band band
;
1472 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1474 if (!priv
->media_connected
) {
1475 dev_err(adapter
->dev
,
1476 "Can not set Tx data rate in disconnected state\n");
1480 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1482 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
1484 /* Fill HR/DSSS rates. */
1485 if (band
== IEEE80211_BAND_2GHZ
)
1486 bitmap_rates
[0] = mask
->control
[band
].legacy
& 0x000f;
1488 /* Fill OFDM rates */
1489 if (band
== IEEE80211_BAND_2GHZ
)
1490 bitmap_rates
[1] = (mask
->control
[band
].legacy
& 0x0ff0) >> 4;
1492 bitmap_rates
[1] = mask
->control
[band
].legacy
;
1494 /* Fill HT MCS rates */
1495 bitmap_rates
[2] = mask
->control
[band
].ht_mcs
[0];
1496 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1497 bitmap_rates
[2] |= mask
->control
[band
].ht_mcs
[1] << 8;
1499 /* Fill VHT MCS rates */
1500 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
) {
1501 bitmap_rates
[10] = mask
->control
[band
].vht_mcs
[0];
1502 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1503 bitmap_rates
[11] = mask
->control
[band
].vht_mcs
[1];
1506 return mwifiex_send_cmd(priv
, HostCmd_CMD_TX_RATE_CFG
,
1507 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
, true);
1511 * CFG802.11 operation handler for connection quality monitoring.
1513 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1516 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1517 struct net_device
*dev
,
1518 s32 rssi_thold
, u32 rssi_hyst
)
1520 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1521 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
1523 priv
->cqm_rssi_thold
= rssi_thold
;
1524 priv
->cqm_rssi_hyst
= rssi_hyst
;
1526 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
1527 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
1529 /* Subscribe/unsubscribe low and high rssi events */
1530 if (rssi_thold
&& rssi_hyst
) {
1531 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
1532 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
1533 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
1534 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
1535 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
1536 return mwifiex_send_cmd(priv
,
1537 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1538 0, 0, &subsc_evt
, true);
1540 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
1541 return mwifiex_send_cmd(priv
,
1542 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1543 0, 0, &subsc_evt
, true);
1549 /* cfg80211 operation handler for change_beacon.
1550 * Function retrieves and sets modified management IEs to FW.
1552 static int mwifiex_cfg80211_change_beacon(struct wiphy
*wiphy
,
1553 struct net_device
*dev
,
1554 struct cfg80211_beacon_data
*data
)
1556 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1558 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
) {
1559 wiphy_err(wiphy
, "%s: bss_type mismatched\n", __func__
);
1563 if (!priv
->bss_started
) {
1564 wiphy_err(wiphy
, "%s: bss not started\n", __func__
);
1568 if (mwifiex_set_mgmt_ies(priv
, data
)) {
1569 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
1576 /* cfg80211 operation handler for del_station.
1577 * Function deauthenticates station which value is provided in mac parameter.
1578 * If mac is NULL/broadcast, all stations in associated station list are
1579 * deauthenticated. If bss is not started or there are no stations in
1580 * associated stations list, no action is taken.
1583 mwifiex_cfg80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1584 struct station_del_parameters
*params
)
1586 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1587 struct mwifiex_sta_node
*sta_node
;
1588 u8 deauth_mac
[ETH_ALEN
];
1589 unsigned long flags
;
1591 if (list_empty(&priv
->sta_list
) || !priv
->bss_started
)
1594 if (!params
->mac
|| is_broadcast_ether_addr(params
->mac
))
1597 wiphy_dbg(wiphy
, "%s: mac address %pM\n", __func__
, params
->mac
);
1599 eth_zero_addr(deauth_mac
);
1601 spin_lock_irqsave(&priv
->sta_list_spinlock
, flags
);
1602 sta_node
= mwifiex_get_sta_entry(priv
, params
->mac
);
1604 ether_addr_copy(deauth_mac
, params
->mac
);
1605 spin_unlock_irqrestore(&priv
->sta_list_spinlock
, flags
);
1607 if (is_valid_ether_addr(deauth_mac
)) {
1608 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1609 HostCmd_ACT_GEN_SET
, 0,
1618 mwifiex_cfg80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1620 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1621 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
1622 MWIFIEX_BSS_ROLE_ANY
);
1623 struct mwifiex_ds_ant_cfg ant_cfg
;
1625 if (!tx_ant
|| !rx_ant
)
1628 if (adapter
->hw_dev_mcs_support
!= HT_STREAM_2X2
) {
1629 /* Not a MIMO chip. User should provide specific antenna number
1630 * for Tx/Rx path or enable all antennas for diversity
1632 if (tx_ant
!= rx_ant
)
1635 if ((tx_ant
& (tx_ant
- 1)) &&
1636 (tx_ant
!= BIT(adapter
->number_of_antenna
) - 1))
1639 if ((tx_ant
== BIT(adapter
->number_of_antenna
) - 1) &&
1640 (priv
->adapter
->number_of_antenna
> 1)) {
1641 tx_ant
= RF_ANTENNA_AUTO
;
1642 rx_ant
= RF_ANTENNA_AUTO
;
1645 struct ieee80211_sta_ht_cap
*ht_info
;
1647 enum ieee80211_band band
;
1649 if ((tx_ant
== 0x1 && rx_ant
== 0x1)) {
1650 adapter
->user_dev_mcs_support
= HT_STREAM_1X1
;
1651 if (adapter
->is_hw_11ac_capable
)
1652 adapter
->usr_dot_11ac_mcs_support
=
1653 MWIFIEX_11AC_MCS_MAP_1X1
;
1655 adapter
->user_dev_mcs_support
= HT_STREAM_2X2
;
1656 if (adapter
->is_hw_11ac_capable
)
1657 adapter
->usr_dot_11ac_mcs_support
=
1658 MWIFIEX_11AC_MCS_MAP_2X2
;
1661 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
1662 if (!adapter
->wiphy
->bands
[band
])
1665 ht_info
= &adapter
->wiphy
->bands
[band
]->ht_cap
;
1667 GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
1668 memset(&ht_info
->mcs
, 0, adapter
->number_of_antenna
);
1669 memset(&ht_info
->mcs
, 0xff, rx_mcs_supp
);
1673 ant_cfg
.tx_ant
= tx_ant
;
1674 ant_cfg
.rx_ant
= rx_ant
;
1676 return mwifiex_send_cmd(priv
, HostCmd_CMD_RF_ANTENNA
,
1677 HostCmd_ACT_GEN_SET
, 0, &ant_cfg
, true);
1680 /* cfg80211 operation handler for stop ap.
1681 * Function stops BSS running at uAP interface.
1683 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1685 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1687 mwifiex_abort_cac(priv
);
1689 if (mwifiex_del_mgmt_ies(priv
))
1690 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
1692 priv
->ap_11n_enabled
= 0;
1693 memset(&priv
->bss_cfg
, 0, sizeof(priv
->bss_cfg
));
1695 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1696 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1697 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1704 /* cfg80211 operation handler for start_ap.
1705 * Function sets beacon period, DTIM period, SSID and security into
1706 * AP config structure.
1707 * AP is configured with these settings and BSS is started.
1709 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
1710 struct net_device
*dev
,
1711 struct cfg80211_ap_settings
*params
)
1713 struct mwifiex_uap_bss_param
*bss_cfg
;
1714 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1716 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
1719 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
1723 mwifiex_set_sys_config_invalid_data(bss_cfg
);
1725 if (params
->beacon_interval
)
1726 bss_cfg
->beacon_period
= params
->beacon_interval
;
1727 if (params
->dtim_period
)
1728 bss_cfg
->dtim_period
= params
->dtim_period
;
1730 if (params
->ssid
&& params
->ssid_len
) {
1731 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
1732 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
1734 if (params
->inactivity_timeout
> 0) {
1735 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1736 bss_cfg
->sta_ao_timer
= 10 * params
->inactivity_timeout
;
1737 bss_cfg
->ps_sta_ao_timer
= 10 * params
->inactivity_timeout
;
1740 switch (params
->hidden_ssid
) {
1741 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
1742 bss_cfg
->bcast_ssid_ctl
= 1;
1744 case NL80211_HIDDEN_SSID_ZERO_LEN
:
1745 bss_cfg
->bcast_ssid_ctl
= 0;
1747 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
1748 /* firmware doesn't support this type of hidden SSID */
1754 mwifiex_uap_set_channel(bss_cfg
, params
->chandef
);
1755 mwifiex_set_uap_rates(bss_cfg
, params
);
1757 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
1759 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
1763 mwifiex_set_ht_params(priv
, bss_cfg
, params
);
1765 if (priv
->adapter
->is_hw_11ac_capable
) {
1766 mwifiex_set_vht_params(priv
, bss_cfg
, params
);
1767 mwifiex_set_vht_width(priv
, params
->chandef
.width
,
1768 priv
->ap_11ac_enabled
);
1771 if (priv
->ap_11ac_enabled
)
1772 mwifiex_set_11ac_ba_params(priv
);
1774 mwifiex_set_ba_params(priv
);
1776 mwifiex_set_wmm_params(priv
, bss_cfg
, params
);
1778 if (mwifiex_is_11h_active(priv
) &&
1779 !cfg80211_chandef_dfs_required(wiphy
, ¶ms
->chandef
,
1781 dev_dbg(priv
->adapter
->dev
, "Disable 11h extensions in FW\n");
1782 if (mwifiex_11h_activate(priv
, false)) {
1783 dev_err(priv
->adapter
->dev
,
1784 "Failed to disable 11h extensions!!");
1787 priv
->state_11h
.is_11h_active
= true;
1790 if (mwifiex_config_start_uap(priv
, bss_cfg
)) {
1791 wiphy_err(wiphy
, "Failed to start AP\n");
1796 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon
))
1799 memcpy(&priv
->bss_cfg
, bss_cfg
, sizeof(priv
->bss_cfg
));
1805 * CFG802.11 operation handler for disconnection request.
1807 * This function does not work when there is already a disconnection
1808 * procedure going on.
1811 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1814 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1816 if (mwifiex_deauthenticate(priv
, NULL
))
1819 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1820 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1822 eth_zero_addr(priv
->cfg_bssid
);
1823 priv
->hs2_enabled
= false;
1829 * This function informs the CFG802.11 subsystem of a new IBSS.
1831 * The following information are sent to the CFG802.11 subsystem
1832 * to register the new IBSS. If we do not register the new IBSS,
1833 * a kernel panic will result.
1839 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1841 struct ieee80211_channel
*chan
;
1842 struct mwifiex_bss_info bss_info
;
1843 struct cfg80211_bss
*bss
;
1845 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1846 enum ieee80211_band band
;
1848 if (mwifiex_get_bss_info(priv
, &bss_info
))
1851 ie_buf
[0] = WLAN_EID_SSID
;
1852 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1854 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1855 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1856 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1858 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1859 chan
= __ieee80211_get_channel(priv
->wdev
.wiphy
,
1860 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1863 bss
= cfg80211_inform_bss(priv
->wdev
.wiphy
, chan
,
1864 CFG80211_BSS_FTYPE_UNKNOWN
,
1865 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1866 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1867 cfg80211_put_bss(priv
->wdev
.wiphy
, bss
);
1868 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1874 * This function connects with a BSS.
1876 * This function handles both Infra and Ad-Hoc modes. It also performs
1877 * validity checking on the provided parameters, disconnects from the
1878 * current BSS (if any), sets up the association/scan parameters,
1879 * including security settings, and performs specific SSID scan before
1880 * trying to connect.
1882 * For Infra mode, the function returns failure if the specified SSID
1883 * is not found in scan table. However, for Ad-Hoc mode, it can create
1884 * the IBSS if it does not exist. On successful completion in either case,
1885 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1888 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
,
1889 const u8
*ssid
, const u8
*bssid
, int mode
,
1890 struct ieee80211_channel
*channel
,
1891 struct cfg80211_connect_params
*sme
, bool privacy
)
1893 struct cfg80211_ssid req_ssid
;
1894 int ret
, auth_type
= 0;
1895 struct cfg80211_bss
*bss
= NULL
;
1896 u8 is_scanning_required
= 0;
1898 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1900 req_ssid
.ssid_len
= ssid_len
;
1901 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1902 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1906 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1907 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1908 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1912 /* As this is new association, clear locally stored
1913 * keys and security related flags */
1914 priv
->sec_info
.wpa_enabled
= false;
1915 priv
->sec_info
.wpa2_enabled
= false;
1916 priv
->wep_key_curr_index
= 0;
1917 priv
->sec_info
.encryption_mode
= 0;
1918 priv
->sec_info
.is_authtype_auto
= 0;
1919 ret
= mwifiex_set_encode(priv
, NULL
, NULL
, 0, 0, NULL
, 1);
1921 if (mode
== NL80211_IFTYPE_ADHOC
) {
1922 /* "privacy" is set only for ad-hoc mode */
1925 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1926 * the firmware can find a matching network from the
1927 * scan. The cfg80211 does not give us the encryption
1928 * mode at this stage so just setting it to WEP here.
1930 priv
->sec_info
.encryption_mode
=
1931 WLAN_CIPHER_SUITE_WEP104
;
1932 priv
->sec_info
.authentication_mode
=
1933 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1939 /* Now handle infra mode. "sme" is valid for infra mode only */
1940 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1941 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1942 priv
->sec_info
.is_authtype_auto
= 1;
1944 auth_type
= sme
->auth_type
;
1947 if (sme
->crypto
.n_ciphers_pairwise
) {
1948 priv
->sec_info
.encryption_mode
=
1949 sme
->crypto
.ciphers_pairwise
[0];
1950 priv
->sec_info
.authentication_mode
= auth_type
;
1953 if (sme
->crypto
.cipher_group
) {
1954 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1955 priv
->sec_info
.authentication_mode
= auth_type
;
1958 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1961 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1962 dev_dbg(priv
->adapter
->dev
,
1963 "info: setting wep encryption"
1964 " with key len %d\n", sme
->key_len
);
1965 priv
->wep_key_curr_index
= sme
->key_idx
;
1966 ret
= mwifiex_set_encode(priv
, NULL
, sme
->key
,
1967 sme
->key_len
, sme
->key_idx
,
1973 * Scan entries are valid for some time (15 sec). So we can save one
1974 * active scan time if we just try cfg80211_get_bss first. If it fails
1975 * then request scan and cfg80211_get_bss() again for final output.
1978 if (is_scanning_required
) {
1979 /* Do specific SSID scanning */
1980 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1981 dev_err(priv
->adapter
->dev
, "scan error\n");
1986 /* Find the BSS we want using available scan results */
1987 if (mode
== NL80211_IFTYPE_ADHOC
)
1988 bss
= cfg80211_get_bss(priv
->wdev
.wiphy
, channel
,
1989 bssid
, ssid
, ssid_len
,
1990 IEEE80211_BSS_TYPE_IBSS
,
1991 IEEE80211_PRIVACY_ANY
);
1993 bss
= cfg80211_get_bss(priv
->wdev
.wiphy
, channel
,
1994 bssid
, ssid
, ssid_len
,
1995 IEEE80211_BSS_TYPE_ESS
,
1996 IEEE80211_PRIVACY_ANY
);
1999 if (is_scanning_required
) {
2000 dev_warn(priv
->adapter
->dev
,
2001 "assoc: requested bss not found in scan results\n");
2004 is_scanning_required
= 1;
2006 dev_dbg(priv
->adapter
->dev
,
2007 "info: trying to associate to '%s' bssid %pM\n",
2008 (char *) req_ssid
.ssid
, bss
->bssid
);
2009 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
2014 ret
= mwifiex_bss_start(priv
, bss
, &req_ssid
);
2018 if (mode
== NL80211_IFTYPE_ADHOC
) {
2019 /* Inform the BSS information to kernel, otherwise
2020 * kernel will give a panic after successful assoc */
2021 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
2029 * CFG802.11 operation handler for association request.
2031 * This function does not work when the current mode is set to Ad-Hoc, or
2032 * when there is already an association procedure going on. The given BSS
2033 * information is used to associate.
2036 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
2037 struct cfg80211_connect_params
*sme
)
2039 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2040 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2043 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
) {
2045 "%s: reject infra assoc request in non-STA role\n",
2050 if (priv
->wdev
.current_bss
) {
2051 wiphy_warn(wiphy
, "%s: already connected\n", dev
->name
);
2055 if (adapter
->surprise_removed
|| adapter
->is_cmd_timedout
) {
2057 "%s: Ignore connection. Card removed or FW in bad state\n",
2062 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
2063 (char *) sme
->ssid
, sme
->bssid
);
2065 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
2066 priv
->bss_mode
, sme
->channel
, sme
, 0);
2068 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
2069 NULL
, 0, WLAN_STATUS_SUCCESS
,
2071 dev_dbg(priv
->adapter
->dev
,
2072 "info: associated to bssid %pM successfully\n",
2074 if (ISSUPP_TDLS_ENABLED(priv
->adapter
->fw_cap_info
) &&
2075 priv
->adapter
->auto_tdls
&&
2076 priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
)
2077 mwifiex_setup_auto_tdls_timer(priv
);
2079 dev_dbg(priv
->adapter
->dev
,
2080 "info: association to bssid %pM failed\n",
2082 eth_zero_addr(priv
->cfg_bssid
);
2085 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
2086 NULL
, 0, NULL
, 0, ret
,
2089 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
2091 WLAN_STATUS_UNSPECIFIED_FAILURE
,
2099 * This function sets following parameters for ibss network.
2103 * - secondary channel offset
2105 static int mwifiex_set_ibss_params(struct mwifiex_private
*priv
,
2106 struct cfg80211_ibss_params
*params
)
2108 struct wiphy
*wiphy
= priv
->wdev
.wiphy
;
2109 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2111 u8 config_bands
= 0;
2113 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
2114 if (!params
->basic_rates
) {
2115 config_bands
= BAND_B
| BAND_G
;
2117 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
2119 * Rates below 6 Mbps in the table are CCK
2120 * rates; 802.11b and from 6 they are OFDM;
2123 if (mwifiex_rates
[i
].bitrate
== 60) {
2129 if (params
->basic_rates
< index
) {
2130 config_bands
= BAND_B
;
2132 config_bands
= BAND_G
;
2133 if (params
->basic_rates
% index
)
2134 config_bands
|= BAND_B
;
2138 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
2140 config_bands
|= BAND_G
| BAND_GN
;
2142 if (cfg80211_get_chandef_type(¶ms
->chandef
) ==
2144 config_bands
= BAND_A
;
2146 config_bands
= BAND_AN
| BAND_A
;
2149 if (!((config_bands
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
2150 adapter
->config_bands
= config_bands
;
2151 adapter
->adhoc_start_band
= config_bands
;
2153 if ((config_bands
& BAND_GN
) || (config_bands
& BAND_AN
))
2154 adapter
->adhoc_11n_enabled
= true;
2156 adapter
->adhoc_11n_enabled
= false;
2159 adapter
->sec_chan_offset
=
2160 mwifiex_chan_type_to_sec_chan_offset(
2161 cfg80211_get_chandef_type(¶ms
->chandef
));
2162 priv
->adhoc_channel
= ieee80211_frequency_to_channel(
2163 params
->chandef
.chan
->center_freq
);
2165 wiphy_dbg(wiphy
, "info: set ibss band %d, chan %d, chan offset %d\n",
2166 config_bands
, priv
->adhoc_channel
, adapter
->sec_chan_offset
);
2172 * CFG802.11 operation handler to join an IBSS.
2174 * This function does not work in any mode other than Ad-Hoc, or if
2175 * a join operation is already in progress.
2178 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2179 struct cfg80211_ibss_params
*params
)
2181 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2184 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
2185 wiphy_err(wiphy
, "request to join ibss received "
2186 "when station is not in ibss mode\n");
2190 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
2191 (char *) params
->ssid
, params
->bssid
);
2193 mwifiex_set_ibss_params(priv
, params
);
2195 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
2196 params
->bssid
, priv
->bss_mode
,
2197 params
->chandef
.chan
, NULL
,
2201 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
,
2202 params
->chandef
.chan
, GFP_KERNEL
);
2203 dev_dbg(priv
->adapter
->dev
,
2204 "info: joined/created adhoc network with bssid"
2205 " %pM successfully\n", priv
->cfg_bssid
);
2207 dev_dbg(priv
->adapter
->dev
,
2208 "info: failed creating/joining adhoc network\n");
2215 * CFG802.11 operation handler to leave an IBSS.
2217 * This function does not work if a leave operation is
2218 * already in progress.
2221 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2223 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2225 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
2227 if (mwifiex_deauthenticate(priv
, NULL
))
2230 eth_zero_addr(priv
->cfg_bssid
);
2236 * CFG802.11 operation handler for scan request.
2238 * This function issues a scan request to the firmware based upon
2239 * the user specified scan configuration. On successfull completion,
2240 * it also informs the results.
2243 mwifiex_cfg80211_scan(struct wiphy
*wiphy
,
2244 struct cfg80211_scan_request
*request
)
2246 struct net_device
*dev
= request
->wdev
->netdev
;
2247 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2249 struct ieee80211_channel
*chan
;
2250 struct ieee_types_header
*ie
;
2251 struct mwifiex_user_scan_cfg
*user_scan_cfg
;
2253 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
2255 /* Block scan request if scan operation or scan cleanup when interface
2256 * is disabled is in process
2258 if (priv
->scan_request
|| priv
->scan_aborting
) {
2259 dev_err(priv
->adapter
->dev
, "cmd: Scan already in process..\n");
2263 user_scan_cfg
= kzalloc(sizeof(*user_scan_cfg
), GFP_KERNEL
);
2267 priv
->scan_request
= request
;
2269 user_scan_cfg
->num_ssids
= request
->n_ssids
;
2270 user_scan_cfg
->ssid_list
= request
->ssids
;
2272 if (request
->ie
&& request
->ie_len
) {
2274 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
2275 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
2277 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
2278 ie
= (struct ieee_types_header
*)(request
->ie
+ offset
);
2279 memcpy(&priv
->vs_ie
[i
].ie
, ie
, sizeof(*ie
) + ie
->len
);
2280 offset
+= sizeof(*ie
) + ie
->len
;
2282 if (offset
>= request
->ie_len
)
2287 for (i
= 0; i
< min_t(u32
, request
->n_channels
,
2288 MWIFIEX_USER_SCAN_CHAN_MAX
); i
++) {
2289 chan
= request
->channels
[i
];
2290 user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
2291 user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
2293 if ((chan
->flags
& IEEE80211_CHAN_NO_IR
) || !request
->n_ssids
)
2294 user_scan_cfg
->chan_list
[i
].scan_type
=
2295 MWIFIEX_SCAN_TYPE_PASSIVE
;
2297 user_scan_cfg
->chan_list
[i
].scan_type
=
2298 MWIFIEX_SCAN_TYPE_ACTIVE
;
2300 user_scan_cfg
->chan_list
[i
].scan_time
= 0;
2303 if (priv
->adapter
->scan_chan_gap_enabled
&&
2304 mwifiex_is_any_intf_active(priv
))
2305 user_scan_cfg
->scan_chan_gap
=
2306 priv
->adapter
->scan_chan_gap_time
;
2308 ret
= mwifiex_scan_networks(priv
, user_scan_cfg
);
2309 kfree(user_scan_cfg
);
2311 dev_err(priv
->adapter
->dev
, "scan failed: %d\n", ret
);
2312 priv
->scan_aborting
= false;
2313 priv
->scan_request
= NULL
;
2317 if (request
->ie
&& request
->ie_len
) {
2318 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
2319 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
2320 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
2321 memset(&priv
->vs_ie
[i
].ie
, 0,
2322 MWIFIEX_MAX_VSIE_LEN
);
2329 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap
*vht_info
,
2330 struct mwifiex_private
*priv
)
2332 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2334 vht_info
->vht_supported
= true;
2336 vht_info
->cap
= adapter
->hw_dot_11ac_dev_cap
;
2337 /* Update MCS support for VHT */
2338 vht_info
->vht_mcs
.rx_mcs_map
= cpu_to_le16(
2339 adapter
->hw_dot_11ac_mcs_support
& 0xFFFF);
2340 vht_info
->vht_mcs
.rx_highest
= 0;
2341 vht_info
->vht_mcs
.tx_mcs_map
= cpu_to_le16(
2342 adapter
->hw_dot_11ac_mcs_support
>> 16);
2343 vht_info
->vht_mcs
.tx_highest
= 0;
2347 * This function sets up the CFG802.11 specific HT capability fields
2348 * with default values.
2350 * The following default values are set -
2351 * - HT Supported = True
2352 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2353 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2354 * - HT Capabilities supported by firmware
2355 * - MCS information, Rx mask = 0xff
2356 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2359 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
2360 struct mwifiex_private
*priv
)
2363 struct ieee80211_mcs_info mcs_set
;
2364 u8
*mcs
= (u8
*)&mcs_set
;
2365 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2367 ht_info
->ht_supported
= true;
2368 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
2369 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
2371 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
2373 /* Fill HT capability information */
2374 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2375 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2377 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2379 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
2380 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
2382 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
2384 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
2385 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
2387 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
2389 if (adapter
->user_dev_mcs_support
== HT_STREAM_2X2
)
2390 ht_info
->cap
|= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2392 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2394 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
2395 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
2397 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
2399 if (ISSUPP_GREENFIELD(adapter
->hw_dot_11n_dev_cap
))
2400 ht_info
->cap
|= IEEE80211_HT_CAP_GRN_FLD
;
2402 ht_info
->cap
&= ~IEEE80211_HT_CAP_GRN_FLD
;
2404 if (ISENABLED_40MHZ_INTOLERANT(adapter
->hw_dot_11n_dev_cap
))
2405 ht_info
->cap
|= IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2407 ht_info
->cap
&= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2409 if (ISSUPP_RXLDPC(adapter
->hw_dot_11n_dev_cap
))
2410 ht_info
->cap
|= IEEE80211_HT_CAP_LDPC_CODING
;
2412 ht_info
->cap
&= ~IEEE80211_HT_CAP_LDPC_CODING
;
2414 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
2415 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
2417 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
2418 /* Set MCS for 1x1/2x2 */
2419 memset(mcs
, 0xff, rx_mcs_supp
);
2420 /* Clear all the other values */
2421 memset(&mcs
[rx_mcs_supp
], 0,
2422 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
2423 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
2424 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2425 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2426 SETHT_MCS32(mcs_set
.rx_mask
);
2428 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
2430 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
2434 * create a new virtual interface with the given name and name assign type
2436 struct wireless_dev
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
2438 unsigned char name_assign_type
,
2439 enum nl80211_iftype type
,
2441 struct vif_params
*params
)
2443 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2444 struct mwifiex_private
*priv
;
2445 struct net_device
*dev
;
2449 return ERR_PTR(-EFAULT
);
2452 case NL80211_IFTYPE_UNSPECIFIED
:
2453 case NL80211_IFTYPE_STATION
:
2454 case NL80211_IFTYPE_ADHOC
:
2455 if (adapter
->curr_iface_comb
.sta_intf
==
2456 adapter
->iface_limit
.sta_intf
) {
2458 "cannot create multiple sta/adhoc ifaces\n");
2459 return ERR_PTR(-EINVAL
);
2462 priv
= mwifiex_get_unused_priv(adapter
);
2465 "could not get free private struct\n");
2466 return ERR_PTR(-EFAULT
);
2469 priv
->wdev
.wiphy
= wiphy
;
2470 priv
->wdev
.iftype
= NL80211_IFTYPE_STATION
;
2472 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
2473 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
2475 priv
->bss_mode
= type
;
2477 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
2478 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2479 priv
->bss_priority
= 0;
2480 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2484 case NL80211_IFTYPE_AP
:
2485 if (adapter
->curr_iface_comb
.uap_intf
==
2486 adapter
->iface_limit
.uap_intf
) {
2488 "cannot create multiple AP ifaces\n");
2489 return ERR_PTR(-EINVAL
);
2492 priv
= mwifiex_get_unused_priv(adapter
);
2495 "could not get free private struct\n");
2496 return ERR_PTR(-EFAULT
);
2499 priv
->wdev
.wiphy
= wiphy
;
2500 priv
->wdev
.iftype
= NL80211_IFTYPE_AP
;
2502 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
2503 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2504 priv
->bss_priority
= 0;
2505 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
2506 priv
->bss_started
= 0;
2508 priv
->bss_mode
= type
;
2511 case NL80211_IFTYPE_P2P_CLIENT
:
2512 if (adapter
->curr_iface_comb
.p2p_intf
==
2513 adapter
->iface_limit
.p2p_intf
) {
2515 "cannot create multiple P2P ifaces\n");
2516 return ERR_PTR(-EINVAL
);
2519 priv
= mwifiex_get_unused_priv(adapter
);
2522 "could not get free private struct\n");
2523 return ERR_PTR(-EFAULT
);
2526 priv
->wdev
.wiphy
= wiphy
;
2527 /* At start-up, wpa_supplicant tries to change the interface
2528 * to NL80211_IFTYPE_STATION if it is not managed mode.
2530 priv
->wdev
.iftype
= NL80211_IFTYPE_P2P_CLIENT
;
2531 priv
->bss_mode
= NL80211_IFTYPE_P2P_CLIENT
;
2533 /* Setting bss_type to P2P tells firmware that this interface
2534 * is receiving P2P peers found during find phase and doing
2535 * action frame handshake.
2537 priv
->bss_type
= MWIFIEX_BSS_TYPE_P2P
;
2539 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2540 priv
->bss_priority
= MWIFIEX_BSS_ROLE_STA
;
2541 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2542 priv
->bss_started
= 0;
2545 if (mwifiex_cfg80211_init_p2p_client(priv
)) {
2546 memset(&priv
->wdev
, 0, sizeof(priv
->wdev
));
2547 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2548 return ERR_PTR(-EFAULT
);
2553 wiphy_err(wiphy
, "type not supported\n");
2554 return ERR_PTR(-EINVAL
);
2557 dev
= alloc_netdev_mqs(sizeof(struct mwifiex_private
*), name
,
2558 name_assign_type
, ether_setup
,
2559 IEEE80211_NUM_ACS
, 1);
2561 wiphy_err(wiphy
, "no memory available for netdevice\n");
2562 memset(&priv
->wdev
, 0, sizeof(priv
->wdev
));
2563 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2564 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2565 return ERR_PTR(-ENOMEM
);
2568 mwifiex_init_priv_params(priv
, dev
);
2571 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
2572 if (adapter
->is_hw_11ac_capable
)
2573 mwifiex_setup_vht_caps(
2574 &wiphy
->bands
[IEEE80211_BAND_2GHZ
]->vht_cap
, priv
);
2576 if (adapter
->config_bands
& BAND_A
)
2577 mwifiex_setup_ht_caps(
2578 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
2580 if ((adapter
->config_bands
& BAND_A
) && adapter
->is_hw_11ac_capable
)
2581 mwifiex_setup_vht_caps(
2582 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->vht_cap
, priv
);
2584 dev_net_set(dev
, wiphy_net(wiphy
));
2585 dev
->ieee80211_ptr
= &priv
->wdev
;
2586 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
2587 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
2588 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
2590 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
2591 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
2592 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
2593 dev
->ethtool_ops
= &mwifiex_ethtool_ops
;
2595 mdev_priv
= netdev_priv(dev
);
2596 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
2598 SET_NETDEV_DEV(dev
, adapter
->dev
);
2600 /* Register network device */
2601 if (register_netdevice(dev
)) {
2602 wiphy_err(wiphy
, "cannot register virtual network device\n");
2604 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2605 priv
->netdev
= NULL
;
2606 memset(&priv
->wdev
, 0, sizeof(priv
->wdev
));
2607 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2608 return ERR_PTR(-EFAULT
);
2611 priv
->dfs_cac_workqueue
= alloc_workqueue("MWIFIEX_DFS_CAC%s",
2614 WQ_UNBOUND
, 1, name
);
2615 if (!priv
->dfs_cac_workqueue
) {
2616 wiphy_err(wiphy
, "cannot register virtual network device\n");
2618 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2619 priv
->netdev
= NULL
;
2620 memset(&priv
->wdev
, 0, sizeof(priv
->wdev
));
2621 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2622 return ERR_PTR(-ENOMEM
);
2625 INIT_DELAYED_WORK(&priv
->dfs_cac_work
, mwifiex_dfs_cac_work_queue
);
2627 priv
->dfs_chan_sw_workqueue
= alloc_workqueue("MWIFIEX_DFS_CHSW%s",
2628 WQ_HIGHPRI
| WQ_UNBOUND
|
2629 WQ_MEM_RECLAIM
, 1, name
);
2630 if (!priv
->dfs_chan_sw_workqueue
) {
2631 wiphy_err(wiphy
, "cannot register virtual network device\n");
2633 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2634 priv
->netdev
= NULL
;
2635 memset(&priv
->wdev
, 0, sizeof(priv
->wdev
));
2636 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2637 return ERR_PTR(-ENOMEM
);
2640 INIT_DELAYED_WORK(&priv
->dfs_chan_sw_work
,
2641 mwifiex_dfs_chan_sw_work_queue
);
2643 sema_init(&priv
->async_sem
, 1);
2645 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
2647 #ifdef CONFIG_DEBUG_FS
2648 mwifiex_dev_debugfs_init(priv
);
2652 case NL80211_IFTYPE_UNSPECIFIED
:
2653 case NL80211_IFTYPE_STATION
:
2654 case NL80211_IFTYPE_ADHOC
:
2655 adapter
->curr_iface_comb
.sta_intf
++;
2657 case NL80211_IFTYPE_AP
:
2658 adapter
->curr_iface_comb
.uap_intf
++;
2660 case NL80211_IFTYPE_P2P_CLIENT
:
2661 adapter
->curr_iface_comb
.p2p_intf
++;
2664 wiphy_err(wiphy
, "type not supported\n");
2665 return ERR_PTR(-EINVAL
);
2670 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
2673 * del_virtual_intf: remove the virtual interface determined by dev
2675 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2677 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
2678 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2680 #ifdef CONFIG_DEBUG_FS
2681 mwifiex_dev_debugfs_remove(priv
);
2684 mwifiex_stop_net_dev_queue(priv
->netdev
, adapter
);
2686 if (netif_carrier_ok(priv
->netdev
))
2687 netif_carrier_off(priv
->netdev
);
2689 if (wdev
->netdev
->reg_state
== NETREG_REGISTERED
)
2690 unregister_netdevice(wdev
->netdev
);
2692 if (priv
->dfs_cac_workqueue
) {
2693 flush_workqueue(priv
->dfs_cac_workqueue
);
2694 destroy_workqueue(priv
->dfs_cac_workqueue
);
2695 priv
->dfs_cac_workqueue
= NULL
;
2698 if (priv
->dfs_chan_sw_workqueue
) {
2699 flush_workqueue(priv
->dfs_chan_sw_workqueue
);
2700 destroy_workqueue(priv
->dfs_chan_sw_workqueue
);
2701 priv
->dfs_chan_sw_workqueue
= NULL
;
2703 /* Clear the priv in adapter */
2704 priv
->netdev
->ieee80211_ptr
= NULL
;
2705 priv
->netdev
= NULL
;
2706 priv
->wdev
.iftype
= NL80211_IFTYPE_UNSPECIFIED
;
2708 priv
->media_connected
= false;
2710 switch (priv
->bss_mode
) {
2711 case NL80211_IFTYPE_UNSPECIFIED
:
2712 case NL80211_IFTYPE_STATION
:
2713 case NL80211_IFTYPE_ADHOC
:
2714 adapter
->curr_iface_comb
.sta_intf
++;
2716 case NL80211_IFTYPE_AP
:
2717 adapter
->curr_iface_comb
.uap_intf
++;
2719 case NL80211_IFTYPE_P2P_CLIENT
:
2720 case NL80211_IFTYPE_P2P_GO
:
2721 adapter
->curr_iface_comb
.p2p_intf
++;
2724 dev_err(adapter
->dev
, "del_virtual_intf: type not supported\n");
2728 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2730 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_STA
||
2731 GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
)
2732 kfree(priv
->hist_data
);
2736 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
2739 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern
*pat
, s8
*byte_seq
,
2742 int j
, k
, valid_byte_cnt
= 0;
2743 bool dont_care_byte
= false;
2745 for (j
= 0; j
< DIV_ROUND_UP(pat
->pattern_len
, 8); j
++) {
2746 for (k
= 0; k
< 8; k
++) {
2747 if (pat
->mask
[j
] & 1 << k
) {
2748 memcpy(byte_seq
+ valid_byte_cnt
,
2749 &pat
->pattern
[j
* 8 + k
], 1);
2755 dont_care_byte
= true;
2758 if (valid_byte_cnt
> max_byte_seq
)
2763 byte_seq
[max_byte_seq
] = valid_byte_cnt
;
2769 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private
*priv
,
2770 struct mwifiex_mef_entry
*mef_entry
)
2772 int i
, filt_num
= 0, num_ipv4
= 0;
2773 struct in_device
*in_dev
;
2774 struct in_ifaddr
*ifa
;
2775 __be32 ips
[MWIFIEX_MAX_SUPPORTED_IPADDR
];
2776 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2778 mef_entry
->mode
= MEF_MODE_HOST_SLEEP
;
2779 mef_entry
->action
= MEF_ACTION_AUTO_ARP
;
2781 /* Enable ARP offload feature */
2782 memset(ips
, 0, sizeof(ips
));
2783 for (i
= 0; i
< MWIFIEX_MAX_BSS_NUM
; i
++) {
2784 if (adapter
->priv
[i
]->netdev
) {
2785 in_dev
= __in_dev_get_rtnl(adapter
->priv
[i
]->netdev
);
2788 ifa
= in_dev
->ifa_list
;
2789 if (!ifa
|| !ifa
->ifa_local
)
2791 ips
[i
] = ifa
->ifa_local
;
2796 for (i
= 0; i
< num_ipv4
; i
++) {
2799 mef_entry
->filter
[filt_num
].repeat
= 1;
2800 memcpy(mef_entry
->filter
[filt_num
].byte_seq
,
2801 (u8
*)&ips
[i
], sizeof(ips
[i
]));
2802 mef_entry
->filter
[filt_num
].
2803 byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2805 mef_entry
->filter
[filt_num
].offset
= 46;
2806 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2808 mef_entry
->filter
[filt_num
].filt_action
=
2814 mef_entry
->filter
[filt_num
].repeat
= 1;
2815 mef_entry
->filter
[filt_num
].byte_seq
[0] = 0x08;
2816 mef_entry
->filter
[filt_num
].byte_seq
[1] = 0x06;
2817 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] = 2;
2818 mef_entry
->filter
[filt_num
].offset
= 20;
2819 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2820 mef_entry
->filter
[filt_num
].filt_action
= TYPE_AND
;
2823 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private
*priv
,
2824 struct mwifiex_ds_mef_cfg
*mef_cfg
,
2825 struct mwifiex_mef_entry
*mef_entry
,
2826 struct cfg80211_wowlan
*wowlan
)
2828 int i
, filt_num
= 0, ret
= 0;
2829 bool first_pat
= true;
2830 u8 byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
+ 1];
2831 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2832 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2834 mef_entry
->mode
= MEF_MODE_HOST_SLEEP
;
2835 mef_entry
->action
= MEF_ACTION_ALLOW_AND_WAKEUP_HOST
;
2837 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
2838 memset(byte_seq
, 0, sizeof(byte_seq
));
2839 if (!mwifiex_is_pattern_supported(&wowlan
->patterns
[i
],
2841 MWIFIEX_MEF_MAX_BYTESEQ
)) {
2842 dev_err(priv
->adapter
->dev
, "Pattern not supported\n");
2847 if (!wowlan
->patterns
[i
].pkt_offset
) {
2848 if (!(byte_seq
[0] & 0x01) &&
2849 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 1)) {
2850 mef_cfg
->criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2852 } else if (is_broadcast_ether_addr(byte_seq
)) {
2853 mef_cfg
->criteria
|= MWIFIEX_CRITERIA_BROADCAST
;
2855 } else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2856 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 2)) ||
2857 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2858 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 3))) {
2859 mef_cfg
->criteria
|= MWIFIEX_CRITERIA_MULTICAST
;
2863 mef_entry
->filter
[filt_num
].repeat
= 1;
2864 mef_entry
->filter
[filt_num
].offset
=
2865 wowlan
->patterns
[i
].pkt_offset
;
2866 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, byte_seq
,
2868 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2873 mef_entry
->filter
[filt_num
].filt_action
= TYPE_AND
;
2878 if (wowlan
->magic_pkt
) {
2879 mef_cfg
->criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2880 mef_entry
->filter
[filt_num
].repeat
= 16;
2881 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2883 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2885 mef_entry
->filter
[filt_num
].offset
= 28;
2886 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2888 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2891 mef_entry
->filter
[filt_num
].repeat
= 16;
2892 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2894 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2896 mef_entry
->filter
[filt_num
].offset
= 56;
2897 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2898 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2903 static int mwifiex_set_mef_filter(struct mwifiex_private
*priv
,
2904 struct cfg80211_wowlan
*wowlan
)
2906 int ret
= 0, num_entries
= 1;
2907 struct mwifiex_ds_mef_cfg mef_cfg
;
2908 struct mwifiex_mef_entry
*mef_entry
;
2910 if (wowlan
->n_patterns
|| wowlan
->magic_pkt
)
2913 mef_entry
= kcalloc(num_entries
, sizeof(*mef_entry
), GFP_KERNEL
);
2917 memset(&mef_cfg
, 0, sizeof(mef_cfg
));
2918 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_BROADCAST
|
2919 MWIFIEX_CRITERIA_UNICAST
;
2920 mef_cfg
.num_entries
= num_entries
;
2921 mef_cfg
.mef_entry
= mef_entry
;
2923 mwifiex_set_auto_arp_mef_entry(priv
, &mef_entry
[0]);
2925 if (wowlan
->n_patterns
|| wowlan
->magic_pkt
)
2926 ret
= mwifiex_set_wowlan_mef_entry(priv
, &mef_cfg
,
2927 &mef_entry
[1], wowlan
);
2929 if (!mef_cfg
.criteria
)
2930 mef_cfg
.criteria
= MWIFIEX_CRITERIA_BROADCAST
|
2931 MWIFIEX_CRITERIA_UNICAST
|
2932 MWIFIEX_CRITERIA_MULTICAST
;
2934 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_MEF_CFG
,
2935 HostCmd_ACT_GEN_SET
, 0,
2941 static int mwifiex_cfg80211_suspend(struct wiphy
*wiphy
,
2942 struct cfg80211_wowlan
*wowlan
)
2944 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2945 struct mwifiex_ds_hs_cfg hs_cfg
;
2947 struct mwifiex_private
*priv
;
2949 for (i
= 0; i
< adapter
->priv_num
; i
++) {
2950 priv
= adapter
->priv
[i
];
2951 mwifiex_abort_cac(priv
);
2954 mwifiex_cancel_all_pending_cmd(adapter
);
2957 dev_warn(adapter
->dev
, "None of the WOWLAN triggers enabled\n");
2961 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2963 if (!priv
->media_connected
) {
2964 dev_warn(adapter
->dev
,
2965 "Can not configure WOWLAN in disconnected state\n");
2969 ret
= mwifiex_set_mef_filter(priv
, wowlan
);
2971 dev_err(adapter
->dev
, "Failed to set MEF filter\n");
2975 if (wowlan
->disconnect
) {
2976 memset(&hs_cfg
, 0, sizeof(hs_cfg
));
2977 hs_cfg
.is_invoke_hostcmd
= false;
2978 hs_cfg
.conditions
= HS_CFG_COND_MAC_EVENT
;
2979 hs_cfg
.gpio
= HS_CFG_GPIO_DEF
;
2980 hs_cfg
.gap
= HS_CFG_GAP_DEF
;
2981 ret
= mwifiex_set_hs_params(priv
, HostCmd_ACT_GEN_SET
,
2982 MWIFIEX_SYNC_CMD
, &hs_cfg
);
2984 dev_err(adapter
->dev
, "Failed to set HS params\n");
2992 static int mwifiex_cfg80211_resume(struct wiphy
*wiphy
)
2997 static void mwifiex_cfg80211_set_wakeup(struct wiphy
*wiphy
,
3000 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
3002 device_set_wakeup_enable(adapter
->dev
, enabled
);
3006 static int mwifiex_get_coalesce_pkt_type(u8
*byte_seq
)
3008 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
3009 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
3010 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff};
3012 if ((byte_seq
[0] & 0x01) &&
3013 (byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 1))
3014 return PACKET_TYPE_UNICAST
;
3015 else if (!memcmp(byte_seq
, bc_mac
, 4))
3016 return PACKET_TYPE_BROADCAST
;
3017 else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
3018 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 2) ||
3019 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
3020 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 3))
3021 return PACKET_TYPE_MULTICAST
;
3027 mwifiex_fill_coalesce_rule_info(struct mwifiex_private
*priv
,
3028 struct cfg80211_coalesce_rules
*crule
,
3029 struct mwifiex_coalesce_rule
*mrule
)
3031 u8 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
+ 1];
3032 struct filt_field_param
*param
;
3035 mrule
->max_coalescing_delay
= crule
->delay
;
3037 param
= mrule
->params
;
3039 for (i
= 0; i
< crule
->n_patterns
; i
++) {
3040 memset(byte_seq
, 0, sizeof(byte_seq
));
3041 if (!mwifiex_is_pattern_supported(&crule
->patterns
[i
],
3043 MWIFIEX_COALESCE_MAX_BYTESEQ
)) {
3044 dev_err(priv
->adapter
->dev
, "Pattern not supported\n");
3048 if (!crule
->patterns
[i
].pkt_offset
) {
3051 pkt_type
= mwifiex_get_coalesce_pkt_type(byte_seq
);
3052 if (pkt_type
&& mrule
->pkt_type
) {
3053 dev_err(priv
->adapter
->dev
,
3054 "Multiple packet types not allowed\n");
3056 } else if (pkt_type
) {
3057 mrule
->pkt_type
= pkt_type
;
3062 if (crule
->condition
== NL80211_COALESCE_CONDITION_MATCH
)
3063 param
->operation
= RECV_FILTER_MATCH_TYPE_EQ
;
3065 param
->operation
= RECV_FILTER_MATCH_TYPE_NE
;
3067 param
->operand_len
= byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
];
3068 memcpy(param
->operand_byte_stream
, byte_seq
,
3069 param
->operand_len
);
3070 param
->offset
= crule
->patterns
[i
].pkt_offset
;
3073 mrule
->num_of_fields
++;
3076 if (!mrule
->pkt_type
) {
3077 dev_err(priv
->adapter
->dev
,
3078 "Packet type can not be determined\n");
3085 static int mwifiex_cfg80211_set_coalesce(struct wiphy
*wiphy
,
3086 struct cfg80211_coalesce
*coalesce
)
3088 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
3090 struct mwifiex_ds_coalesce_cfg coalesce_cfg
;
3091 struct mwifiex_private
*priv
=
3092 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
3094 memset(&coalesce_cfg
, 0, sizeof(coalesce_cfg
));
3096 dev_dbg(adapter
->dev
,
3097 "Disable coalesce and reset all previous rules\n");
3098 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
3099 HostCmd_ACT_GEN_SET
, 0,
3100 &coalesce_cfg
, true);
3103 coalesce_cfg
.num_of_rules
= coalesce
->n_rules
;
3104 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
3105 ret
= mwifiex_fill_coalesce_rule_info(priv
, &coalesce
->rules
[i
],
3106 &coalesce_cfg
.rule
[i
]);
3108 dev_err(priv
->adapter
->dev
,
3109 "Recheck the patterns provided for rule %d\n",
3115 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
3116 HostCmd_ACT_GEN_SET
, 0, &coalesce_cfg
, true);
3119 /* cfg80211 ops handler for tdls_mgmt.
3120 * Function prepares TDLS action frame packets and forwards them to FW
3123 mwifiex_cfg80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
3124 const u8
*peer
, u8 action_code
, u8 dialog_token
,
3125 u16 status_code
, u32 peer_capability
,
3126 bool initiator
, const u8
*extra_ies
,
3127 size_t extra_ies_len
)
3129 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3132 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3135 /* make sure we are in station mode and connected */
3136 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
3139 switch (action_code
) {
3140 case WLAN_TDLS_SETUP_REQUEST
:
3141 dev_dbg(priv
->adapter
->dev
,
3142 "Send TDLS Setup Request to %pM status_code=%d\n", peer
,
3144 mwifiex_add_auto_tdls_peer(priv
, peer
);
3145 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
3146 dialog_token
, status_code
,
3147 extra_ies
, extra_ies_len
);
3149 case WLAN_TDLS_SETUP_RESPONSE
:
3150 mwifiex_add_auto_tdls_peer(priv
, peer
);
3151 dev_dbg(priv
->adapter
->dev
,
3152 "Send TDLS Setup Response to %pM status_code=%d\n",
3154 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
3155 dialog_token
, status_code
,
3156 extra_ies
, extra_ies_len
);
3158 case WLAN_TDLS_SETUP_CONFIRM
:
3159 dev_dbg(priv
->adapter
->dev
,
3160 "Send TDLS Confirm to %pM status_code=%d\n", peer
,
3162 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
3163 dialog_token
, status_code
,
3164 extra_ies
, extra_ies_len
);
3166 case WLAN_TDLS_TEARDOWN
:
3167 dev_dbg(priv
->adapter
->dev
, "Send TDLS Tear down to %pM\n",
3169 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
3170 dialog_token
, status_code
,
3171 extra_ies
, extra_ies_len
);
3173 case WLAN_TDLS_DISCOVERY_REQUEST
:
3174 dev_dbg(priv
->adapter
->dev
,
3175 "Send TDLS Discovery Request to %pM\n", peer
);
3176 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
3177 dialog_token
, status_code
,
3178 extra_ies
, extra_ies_len
);
3180 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
3181 dev_dbg(priv
->adapter
->dev
,
3182 "Send TDLS Discovery Response to %pM\n", peer
);
3183 ret
= mwifiex_send_tdls_action_frame(priv
, peer
, action_code
,
3184 dialog_token
, status_code
,
3185 extra_ies
, extra_ies_len
);
3188 dev_warn(priv
->adapter
->dev
,
3189 "Unknown TDLS mgmt/action frame %pM\n", peer
);
3198 mwifiex_cfg80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
3199 const u8
*peer
, enum nl80211_tdls_operation action
)
3201 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3203 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
3204 !(wiphy
->flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
3207 /* make sure we are in station mode and connected */
3208 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
3211 dev_dbg(priv
->adapter
->dev
,
3212 "TDLS peer=%pM, oper=%d\n", peer
, action
);
3215 case NL80211_TDLS_ENABLE_LINK
:
3216 action
= MWIFIEX_TDLS_ENABLE_LINK
;
3218 case NL80211_TDLS_DISABLE_LINK
:
3219 action
= MWIFIEX_TDLS_DISABLE_LINK
;
3221 case NL80211_TDLS_TEARDOWN
:
3222 /* shouldn't happen!*/
3223 dev_warn(priv
->adapter
->dev
,
3224 "tdls_oper: teardown from driver not supported\n");
3226 case NL80211_TDLS_SETUP
:
3227 /* shouldn't happen!*/
3228 dev_warn(priv
->adapter
->dev
,
3229 "tdls_oper: setup from driver not supported\n");
3231 case NL80211_TDLS_DISCOVERY_REQ
:
3232 /* shouldn't happen!*/
3233 dev_warn(priv
->adapter
->dev
,
3234 "tdls_oper: discovery from driver not supported\n");
3237 dev_err(priv
->adapter
->dev
,
3238 "tdls_oper: operation not supported\n");
3242 return mwifiex_tdls_oper(priv
, peer
, action
);
3246 mwifiex_cfg80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
3247 const u8
*mac
, struct station_parameters
*params
)
3249 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3251 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3254 /* make sure we are in station mode and connected */
3255 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
3258 return mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CREATE_LINK
);
3262 mwifiex_cfg80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
3263 struct cfg80211_csa_settings
*params
)
3265 struct ieee_types_header
*chsw_ie
;
3266 struct ieee80211_channel_sw_ie
*channel_sw
;
3268 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3270 if (priv
->adapter
->scan_processing
) {
3271 dev_err(priv
->adapter
->dev
,
3272 "radar detection: scan in process...\n");
3276 if (priv
->wdev
.cac_started
)
3279 if (cfg80211_chandef_identical(¶ms
->chandef
,
3280 &priv
->dfs_chandef
))
3283 chsw_ie
= (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH
,
3284 params
->beacon_csa
.tail
,
3285 params
->beacon_csa
.tail_len
);
3287 dev_err(priv
->adapter
->dev
,
3288 "Could not parse channel switch announcement IE\n");
3292 channel_sw
= (void *)(chsw_ie
+ 1);
3293 if (channel_sw
->mode
) {
3294 if (netif_carrier_ok(priv
->netdev
))
3295 netif_carrier_off(priv
->netdev
);
3296 mwifiex_stop_net_dev_queue(priv
->netdev
, priv
->adapter
);
3299 if (mwifiex_del_mgmt_ies(priv
))
3300 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
3302 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon_csa
)) {
3303 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
3307 memcpy(&priv
->dfs_chandef
, ¶ms
->chandef
, sizeof(priv
->dfs_chandef
));
3308 memcpy(&priv
->beacon_after
, ¶ms
->beacon_after
,
3309 sizeof(priv
->beacon_after
));
3311 chsw_msec
= max(channel_sw
->count
* priv
->bss_cfg
.beacon_period
, 100);
3312 queue_delayed_work(priv
->dfs_chan_sw_workqueue
, &priv
->dfs_chan_sw_work
,
3313 msecs_to_jiffies(chsw_msec
));
3318 mwifiex_cfg80211_start_radar_detection(struct wiphy
*wiphy
,
3319 struct net_device
*dev
,
3320 struct cfg80211_chan_def
*chandef
,
3323 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3324 struct mwifiex_radar_params radar_params
;
3326 if (priv
->adapter
->scan_processing
) {
3327 dev_err(priv
->adapter
->dev
,
3328 "radar detection: scan already in process...\n");
3332 if (!mwifiex_is_11h_active(priv
)) {
3333 dev_dbg(priv
->adapter
->dev
, "Enable 11h extensions in FW\n");
3334 if (mwifiex_11h_activate(priv
, true)) {
3335 dev_err(priv
->adapter
->dev
,
3336 "Failed to activate 11h extensions!!");
3339 priv
->state_11h
.is_11h_active
= true;
3342 memset(&radar_params
, 0, sizeof(struct mwifiex_radar_params
));
3343 radar_params
.chandef
= chandef
;
3344 radar_params
.cac_time_ms
= cac_time_ms
;
3346 memcpy(&priv
->dfs_chandef
, chandef
, sizeof(priv
->dfs_chandef
));
3348 if (mwifiex_send_cmd(priv
, HostCmd_CMD_CHAN_REPORT_REQUEST
,
3349 HostCmd_ACT_GEN_SET
, 0, &radar_params
, true))
3352 queue_delayed_work(priv
->dfs_cac_workqueue
, &priv
->dfs_cac_work
,
3353 msecs_to_jiffies(cac_time_ms
));
3358 mwifiex_cfg80211_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
3360 struct station_parameters
*params
)
3363 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
3365 /* we support change_station handler only for TDLS peers*/
3366 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3369 /* make sure we are in station mode and connected */
3370 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
3373 priv
->sta_params
= params
;
3375 ret
= mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CONFIG_LINK
);
3376 priv
->sta_params
= NULL
;
3381 /* station cfg80211 operations */
3382 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
3383 .add_virtual_intf
= mwifiex_add_virtual_intf
,
3384 .del_virtual_intf
= mwifiex_del_virtual_intf
,
3385 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
3386 .scan
= mwifiex_cfg80211_scan
,
3387 .connect
= mwifiex_cfg80211_connect
,
3388 .disconnect
= mwifiex_cfg80211_disconnect
,
3389 .get_station
= mwifiex_cfg80211_get_station
,
3390 .dump_station
= mwifiex_cfg80211_dump_station
,
3391 .dump_survey
= mwifiex_cfg80211_dump_survey
,
3392 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
3393 .join_ibss
= mwifiex_cfg80211_join_ibss
,
3394 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
3395 .add_key
= mwifiex_cfg80211_add_key
,
3396 .del_key
= mwifiex_cfg80211_del_key
,
3397 .mgmt_tx
= mwifiex_cfg80211_mgmt_tx
,
3398 .mgmt_frame_register
= mwifiex_cfg80211_mgmt_frame_register
,
3399 .remain_on_channel
= mwifiex_cfg80211_remain_on_channel
,
3400 .cancel_remain_on_channel
= mwifiex_cfg80211_cancel_remain_on_channel
,
3401 .set_default_key
= mwifiex_cfg80211_set_default_key
,
3402 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
3403 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
3404 .set_bitrate_mask
= mwifiex_cfg80211_set_bitrate_mask
,
3405 .start_ap
= mwifiex_cfg80211_start_ap
,
3406 .stop_ap
= mwifiex_cfg80211_stop_ap
,
3407 .change_beacon
= mwifiex_cfg80211_change_beacon
,
3408 .set_cqm_rssi_config
= mwifiex_cfg80211_set_cqm_rssi_config
,
3409 .set_antenna
= mwifiex_cfg80211_set_antenna
,
3410 .del_station
= mwifiex_cfg80211_del_station
,
3412 .suspend
= mwifiex_cfg80211_suspend
,
3413 .resume
= mwifiex_cfg80211_resume
,
3414 .set_wakeup
= mwifiex_cfg80211_set_wakeup
,
3416 .set_coalesce
= mwifiex_cfg80211_set_coalesce
,
3417 .tdls_mgmt
= mwifiex_cfg80211_tdls_mgmt
,
3418 .tdls_oper
= mwifiex_cfg80211_tdls_oper
,
3419 .add_station
= mwifiex_cfg80211_add_station
,
3420 .change_station
= mwifiex_cfg80211_change_station
,
3421 .start_radar_detection
= mwifiex_cfg80211_start_radar_detection
,
3422 .channel_switch
= mwifiex_cfg80211_channel_switch
,
3426 static const struct wiphy_wowlan_support mwifiex_wowlan_support
= {
3427 .flags
= WIPHY_WOWLAN_MAGIC_PKT
| WIPHY_WOWLAN_DISCONNECT
,
3428 .n_patterns
= MWIFIEX_MEF_MAX_FILTERS
,
3429 .pattern_min_len
= 1,
3430 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
3431 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
3435 static bool mwifiex_is_valid_alpha2(const char *alpha2
)
3437 if (!alpha2
|| strlen(alpha2
) != 2)
3440 if (isalpha(alpha2
[0]) && isalpha(alpha2
[1]))
3446 static const struct wiphy_coalesce_support mwifiex_coalesce_support
= {
3447 .n_rules
= MWIFIEX_COALESCE_MAX_RULES
,
3448 .max_delay
= MWIFIEX_MAX_COALESCING_DELAY
,
3449 .n_patterns
= MWIFIEX_COALESCE_MAX_FILTERS
,
3450 .pattern_min_len
= 1,
3451 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
3452 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
3455 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter
*adapter
)
3457 u32 n_channels_bg
, n_channels_a
= 0;
3459 n_channels_bg
= mwifiex_band_2ghz
.n_channels
;
3461 if (adapter
->config_bands
& BAND_A
)
3462 n_channels_a
= mwifiex_band_5ghz
.n_channels
;
3464 adapter
->num_in_chan_stats
= max_t(u32
, n_channels_bg
, n_channels_a
);
3465 adapter
->chan_stats
= vmalloc(sizeof(*adapter
->chan_stats
) *
3466 adapter
->num_in_chan_stats
);
3468 if (!adapter
->chan_stats
)
3475 * This function registers the device with CFG802.11 subsystem.
3477 * The function creates the wireless device/wiphy, populates it with
3478 * default parameters and handler function pointers, and finally
3479 * registers the device.
3482 int mwifiex_register_cfg80211(struct mwifiex_adapter
*adapter
)
3486 struct wiphy
*wiphy
;
3487 struct mwifiex_private
*priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
3491 /* create a new wiphy for use with cfg80211 */
3492 wiphy
= wiphy_new(&mwifiex_cfg80211_ops
,
3493 sizeof(struct mwifiex_adapter
*));
3495 dev_err(adapter
->dev
, "%s: creating new wiphy\n", __func__
);
3498 wiphy
->max_scan_ssids
= MWIFIEX_MAX_SSID_LIST_LENGTH
;
3499 wiphy
->max_scan_ie_len
= MWIFIEX_MAX_VSIE_LEN
;
3500 wiphy
->mgmt_stypes
= mwifiex_mgmt_stypes
;
3501 wiphy
->max_remain_on_channel_duration
= 5000;
3502 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
3503 BIT(NL80211_IFTYPE_ADHOC
) |
3504 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
3505 BIT(NL80211_IFTYPE_P2P_GO
) |
3506 BIT(NL80211_IFTYPE_AP
);
3508 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
3509 if (adapter
->config_bands
& BAND_A
)
3510 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
3512 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
3514 wiphy
->iface_combinations
= &mwifiex_iface_comb_ap_sta
;
3515 wiphy
->n_iface_combinations
= 1;
3517 /* Initialize cipher suits */
3518 wiphy
->cipher_suites
= mwifiex_cipher_suites
;
3519 wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
3521 ether_addr_copy(wiphy
->perm_addr
, adapter
->perm_addr
);
3522 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
3523 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
|
3524 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
|
3525 WIPHY_FLAG_AP_UAPSD
|
3526 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
|
3527 WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
3529 if (ISSUPP_TDLS_ENABLED(adapter
->fw_cap_info
))
3530 wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
|
3531 WIPHY_FLAG_TDLS_EXTERNAL_SETUP
;
3534 wiphy
->wowlan
= &mwifiex_wowlan_support
;
3537 wiphy
->coalesce
= &mwifiex_coalesce_support
;
3539 wiphy
->probe_resp_offload
= NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
3540 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
3541 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
3543 wiphy
->available_antennas_tx
= BIT(adapter
->number_of_antenna
) - 1;
3544 wiphy
->available_antennas_rx
= BIT(adapter
->number_of_antenna
) - 1;
3546 wiphy
->features
|= NL80211_FEATURE_HT_IBSS
|
3547 NL80211_FEATURE_INACTIVITY_TIMER
|
3548 NL80211_FEATURE_NEED_OBSS_SCAN
;
3550 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
)
3551 wiphy
->features
|= NL80211_FEATURE_SK_TX_STATUS
;
3553 /* Reserve space for mwifiex specific private data for BSS */
3554 wiphy
->bss_priv_size
= sizeof(struct mwifiex_bss_priv
);
3556 wiphy
->reg_notifier
= mwifiex_reg_notifier
;
3558 /* Set struct mwifiex_adapter pointer in wiphy_priv */
3559 wdev_priv
= wiphy_priv(wiphy
);
3560 *(unsigned long *)wdev_priv
= (unsigned long)adapter
;
3562 set_wiphy_dev(wiphy
, priv
->adapter
->dev
);
3564 ret
= wiphy_register(wiphy
);
3566 dev_err(adapter
->dev
,
3567 "%s: wiphy_register failed: %d\n", __func__
, ret
);
3572 if (reg_alpha2
&& mwifiex_is_valid_alpha2(reg_alpha2
)) {
3573 wiphy_info(wiphy
, "driver hint alpha2: %2.2s\n", reg_alpha2
);
3574 regulatory_hint(wiphy
, reg_alpha2
);
3576 country_code
= mwifiex_11d_code_2_region(adapter
->region_code
);
3578 wiphy_info(wiphy
, "ignoring F/W country code %2.2s\n",
3582 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
3583 HostCmd_ACT_GEN_GET
, FRAG_THRESH_I
, &thr
, true);
3584 wiphy
->frag_threshold
= thr
;
3585 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
3586 HostCmd_ACT_GEN_GET
, RTS_THRESH_I
, &thr
, true);
3587 wiphy
->rts_threshold
= thr
;
3588 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
3589 HostCmd_ACT_GEN_GET
, SHORT_RETRY_LIM_I
, &retry
, true);
3590 wiphy
->retry_short
= (u8
) retry
;
3591 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
3592 HostCmd_ACT_GEN_GET
, LONG_RETRY_LIM_I
, &retry
, true);
3593 wiphy
->retry_long
= (u8
) retry
;
3595 adapter
->wiphy
= wiphy
;