2 * Marvell Wireless LAN device driver: CFG80211
4 * Copyright (C) 2011, 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 const struct ieee80211_iface_limit mwifiex_ap_sta_limits
[] = {
25 .max
= 1, .types
= BIT(NL80211_IFTYPE_STATION
),
28 .max
= 1, .types
= BIT(NL80211_IFTYPE_AP
),
32 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta
= {
33 .limits
= mwifiex_ap_sta_limits
,
34 .num_different_channels
= 1,
35 .n_limits
= ARRAY_SIZE(mwifiex_ap_sta_limits
),
36 .max_interfaces
= MWIFIEX_MAX_BSS_NUM
,
37 .beacon_int_infra_match
= true,
40 static const struct ieee80211_regdomain mwifiex_world_regdom_custom
= {
45 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
47 REG_RULE(2467-10, 2472+10, 20, 3, 20,
48 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
),
50 REG_RULE(2484-10, 2484+10, 20, 3, 20,
51 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
|
54 REG_RULE(5180-10, 5240+10, 40, 3, 20,
55 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
),
56 /* Channel 149 - 165 */
57 REG_RULE(5745-10, 5825+10, 40, 3, 20,
58 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
),
60 REG_RULE(5260-10, 5320+10, 40, 3, 30,
61 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
|
63 /* Channel 100 - 140 */
64 REG_RULE(5500-10, 5700+10, 40, 3, 30,
65 NL80211_RRF_PASSIVE_SCAN
| NL80211_RRF_NO_IBSS
|
71 * This function maps the nl802.11 channel type into driver channel type.
73 * The mapping is as follows -
74 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
75 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
77 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
78 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 u8
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type
)
83 case NL80211_CHAN_NO_HT
:
84 case NL80211_CHAN_HT20
:
85 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
86 case NL80211_CHAN_HT40PLUS
:
87 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
88 case NL80211_CHAN_HT40MINUS
:
89 return IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
91 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
96 * This function checks whether WEP is set.
99 mwifiex_is_alg_wep(u32 cipher
)
102 case WLAN_CIPHER_SUITE_WEP40
:
103 case WLAN_CIPHER_SUITE_WEP104
:
113 * This function retrieves the private structure from kernel wiphy structure.
115 static void *mwifiex_cfg80211_get_adapter(struct wiphy
*wiphy
)
117 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
121 * CFG802.11 operation handler to delete a network key.
124 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
125 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
127 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
128 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
129 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
131 if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
, peer_mac
, 1)) {
132 wiphy_err(wiphy
, "deleting the crypto keys\n");
136 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
141 * This function forms an skb for management frame.
144 mwifiex_form_mgmt_frame(struct sk_buff
*skb
, const u8
*buf
, size_t len
)
146 u8 addr
[ETH_ALEN
] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
148 u32 tx_control
= 0, pkt_type
= PKT_TYPE_MGMT
;
151 pkt_len
= len
+ ETH_ALEN
;
153 skb_reserve(skb
, MWIFIEX_MIN_DATA_HEADER_LEN
+
154 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+ sizeof(pkt_len
));
155 memcpy(skb_push(skb
, sizeof(pkt_len
)), &pkt_len
, sizeof(pkt_len
));
157 memcpy(skb_push(skb
, sizeof(tx_control
)),
158 &tx_control
, sizeof(tx_control
));
160 memcpy(skb_push(skb
, sizeof(pkt_type
)), &pkt_type
, sizeof(pkt_type
));
162 /* Add packet data and address4 */
163 memcpy(skb_put(skb
, sizeof(struct ieee80211_hdr_3addr
)), buf
,
164 sizeof(struct ieee80211_hdr_3addr
));
165 memcpy(skb_put(skb
, ETH_ALEN
), addr
, ETH_ALEN
);
166 memcpy(skb_put(skb
, len
- sizeof(struct ieee80211_hdr_3addr
)),
167 buf
+ sizeof(struct ieee80211_hdr_3addr
),
168 len
- sizeof(struct ieee80211_hdr_3addr
));
170 skb
->priority
= LOW_PRIO_TID
;
171 do_gettimeofday(&tv
);
172 skb
->tstamp
= timeval_to_ktime(tv
);
178 * CFG802.11 operation handler to transmit a management frame.
181 mwifiex_cfg80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
182 struct ieee80211_channel
*chan
, bool offchan
,
183 enum nl80211_channel_type channel_type
,
184 bool channel_type_valid
, unsigned int wait
,
185 const u8
*buf
, size_t len
, bool no_cck
,
186 bool dont_wait_for_ack
, u64
*cookie
)
190 const struct ieee80211_mgmt
*mgmt
;
191 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
194 wiphy_err(wiphy
, "invalid buffer and length\n");
198 mgmt
= (const struct ieee80211_mgmt
*)buf
;
199 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
&&
200 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
201 /* Since we support offload probe resp, we need to skip probe
202 * resp in AP or GO mode */
204 "info: skip to send probe resp in AP or GO mode\n");
208 pkt_len
= len
+ ETH_ALEN
;
209 skb
= dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN
+
210 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+
211 pkt_len
+ sizeof(pkt_len
));
214 wiphy_err(wiphy
, "allocate skb failed for management frame\n");
218 mwifiex_form_mgmt_frame(skb
, buf
, len
);
219 mwifiex_queue_tx_pkt(priv
, skb
);
221 *cookie
= random32() | 1;
222 cfg80211_mgmt_tx_status(wdev
, *cookie
, buf
, len
, true, GFP_ATOMIC
);
224 wiphy_dbg(wiphy
, "info: management frame transmitted\n");
229 * CFG802.11 operation handler to register a mgmt frame.
232 mwifiex_cfg80211_mgmt_frame_register(struct wiphy
*wiphy
,
233 struct wireless_dev
*wdev
,
234 u16 frame_type
, bool reg
)
236 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
239 priv
->mgmt_frame_mask
|= BIT(frame_type
>> 4);
241 priv
->mgmt_frame_mask
&= ~BIT(frame_type
>> 4);
243 mwifiex_send_cmd_async(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
244 HostCmd_ACT_GEN_SET
, 0, &priv
->mgmt_frame_mask
);
246 wiphy_dbg(wiphy
, "info: mgmt frame registered\n");
250 * CFG802.11 operation handler to remain on channel.
253 mwifiex_cfg80211_remain_on_channel(struct wiphy
*wiphy
,
254 struct wireless_dev
*wdev
,
255 struct ieee80211_channel
*chan
,
256 enum nl80211_channel_type channel_type
,
257 unsigned int duration
, u64
*cookie
)
259 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
262 if (!chan
|| !cookie
) {
263 wiphy_err(wiphy
, "Invalid parameter for ROC\n");
267 if (priv
->roc_cfg
.cookie
) {
268 wiphy_dbg(wiphy
, "info: ongoing ROC, cookie = 0x%llu\n",
269 priv
->roc_cfg
.cookie
);
273 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_SET
, chan
,
274 &channel_type
, duration
);
277 *cookie
= random32() | 1;
278 priv
->roc_cfg
.cookie
= *cookie
;
279 priv
->roc_cfg
.chan
= *chan
;
280 priv
->roc_cfg
.chan_type
= channel_type
;
282 cfg80211_ready_on_channel(wdev
, *cookie
, chan
, channel_type
,
283 duration
, GFP_ATOMIC
);
285 wiphy_dbg(wiphy
, "info: ROC, cookie = 0x%llx\n", *cookie
);
292 * CFG802.11 operation handler to cancel remain on channel.
295 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
296 struct wireless_dev
*wdev
, u64 cookie
)
298 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
301 if (cookie
!= priv
->roc_cfg
.cookie
)
304 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_REMOVE
,
306 &priv
->roc_cfg
.chan_type
, 0);
309 cfg80211_remain_on_channel_expired(wdev
, cookie
,
311 priv
->roc_cfg
.chan_type
,
314 memset(&priv
->roc_cfg
, 0, sizeof(struct mwifiex_roc_cfg
));
316 wiphy_dbg(wiphy
, "info: cancel ROC, cookie = 0x%llx\n", cookie
);
323 * CFG802.11 operation handler to set Tx power.
326 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
327 enum nl80211_tx_power_setting type
,
330 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
331 struct mwifiex_private
*priv
;
332 struct mwifiex_power_cfg power_cfg
;
333 int dbm
= MBM_TO_DBM(mbm
);
335 if (type
== NL80211_TX_POWER_FIXED
) {
336 power_cfg
.is_power_auto
= 0;
337 power_cfg
.power_level
= dbm
;
339 power_cfg
.is_power_auto
= 1;
342 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
344 return mwifiex_set_tx_power(priv
, &power_cfg
);
348 * CFG802.11 operation handler to set Power Save option.
350 * The timeout value, if provided, is currently ignored.
353 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
354 struct net_device
*dev
,
355 bool enabled
, int timeout
)
357 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
362 "info: ignore timeout value for IEEE Power Save\n");
366 return mwifiex_drv_set_power(priv
, &ps_mode
);
370 * CFG802.11 operation handler to set the default network key.
373 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
374 u8 key_index
, bool unicast
,
377 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
379 /* Return if WEP key not configured */
380 if (!priv
->sec_info
.wep_enabled
)
383 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_UAP
) {
384 priv
->wep_key_curr_index
= key_index
;
385 } else if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
,
387 wiphy_err(wiphy
, "set default Tx key index\n");
395 * CFG802.11 operation handler to add a network key.
398 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
399 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
400 struct key_params
*params
)
402 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
403 struct mwifiex_wep_key
*wep_key
;
404 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
405 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
407 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
&&
408 (params
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
409 params
->cipher
== WLAN_CIPHER_SUITE_WEP104
)) {
410 if (params
->key
&& params
->key_len
) {
411 wep_key
= &priv
->wep_key
[key_index
];
412 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
413 memcpy(wep_key
->key_material
, params
->key
,
415 wep_key
->key_index
= key_index
;
416 wep_key
->key_length
= params
->key_len
;
417 priv
->sec_info
.wep_enabled
= 1;
422 if (mwifiex_set_encode(priv
, params
, params
->key
, params
->key_len
,
423 key_index
, peer_mac
, 0)) {
424 wiphy_err(wiphy
, "crypto keys added\n");
432 * This function sends domain information to the firmware.
434 * The following information are passed to the firmware -
436 * - Sub bands (first channel, number of channels, maximum Tx power)
438 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
440 u8 no_of_triplet
= 0;
441 struct ieee80211_country_ie_triplet
*t
;
442 u8 no_of_parsed_chan
= 0;
443 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
445 enum ieee80211_band band
;
446 struct ieee80211_supported_band
*sband
;
447 struct ieee80211_channel
*ch
;
448 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
449 struct mwifiex_private
*priv
;
450 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
452 /* Set country code */
453 domain_info
->country_code
[0] = adapter
->country_code
[0];
454 domain_info
->country_code
[1] = adapter
->country_code
[1];
455 domain_info
->country_code
[2] = ' ';
457 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
458 if (!wiphy
->bands
[band
]) {
459 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
463 sband
= wiphy
->bands
[band
];
465 for (i
= 0; i
< sband
->n_channels
; i
++) {
466 ch
= &sband
->channels
[i
];
467 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
472 first_chan
= (u32
) ch
->hw_value
;
473 next_chan
= first_chan
;
474 max_pwr
= ch
->max_reg_power
;
475 no_of_parsed_chan
= 1;
479 if (ch
->hw_value
== next_chan
+ 1 &&
480 ch
->max_reg_power
== max_pwr
) {
484 t
= &domain_info
->triplet
[no_of_triplet
];
485 t
->chans
.first_channel
= first_chan
;
486 t
->chans
.num_channels
= no_of_parsed_chan
;
487 t
->chans
.max_power
= max_pwr
;
489 first_chan
= (u32
) ch
->hw_value
;
490 next_chan
= first_chan
;
491 max_pwr
= ch
->max_reg_power
;
492 no_of_parsed_chan
= 1;
497 t
= &domain_info
->triplet
[no_of_triplet
];
498 t
->chans
.first_channel
= first_chan
;
499 t
->chans
.num_channels
= no_of_parsed_chan
;
500 t
->chans
.max_power
= max_pwr
;
504 domain_info
->no_of_triplet
= no_of_triplet
;
506 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
508 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
509 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
510 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
518 * CFG802.11 regulatory domain callback function.
520 * This function is called when the regulatory domain is changed due to the
521 * following reasons -
523 * - Set by system core
525 * - Set bt Country IE
527 static int mwifiex_reg_notifier(struct wiphy
*wiphy
,
528 struct regulatory_request
*request
)
530 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
532 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
533 request
->alpha2
[0], request
->alpha2
[1]);
535 memcpy(adapter
->country_code
, request
->alpha2
, sizeof(request
->alpha2
));
537 switch (request
->initiator
) {
538 case NL80211_REGDOM_SET_BY_DRIVER
:
539 case NL80211_REGDOM_SET_BY_CORE
:
540 case NL80211_REGDOM_SET_BY_USER
:
542 /* Todo: apply driver specific changes in channel flags based
543 on the request initiator if necessary. */
544 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
547 mwifiex_send_domain_info_cmd_fw(wiphy
);
553 * This function sets the fragmentation threshold.
555 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
556 * and MWIFIEX_FRAG_MAX_VALUE.
559 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
561 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
562 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
563 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
565 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
566 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
571 * This function sets the RTS threshold.
573 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
574 * and MWIFIEX_RTS_MAX_VALUE.
577 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
579 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
580 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
582 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
583 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
588 * CFG802.11 operation handler to set wiphy parameters.
590 * This function can be used to set the RTS threshold and the
591 * Fragmentation threshold of the driver.
594 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
596 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
597 struct mwifiex_private
*priv
;
598 struct mwifiex_uap_bss_param
*bss_cfg
;
599 int ret
, bss_started
, i
;
601 for (i
= 0; i
< adapter
->priv_num
; i
++) {
602 priv
= adapter
->priv
[i
];
604 switch (priv
->bss_role
) {
605 case MWIFIEX_BSS_ROLE_UAP
:
606 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
),
611 mwifiex_set_sys_config_invalid_data(bss_cfg
);
613 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
614 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
615 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
616 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
617 if (changed
& WIPHY_PARAM_RETRY_LONG
)
618 bss_cfg
->retry_limit
= wiphy
->retry_long
;
620 bss_started
= priv
->bss_started
;
622 ret
= mwifiex_send_cmd_sync(priv
,
623 HostCmd_CMD_UAP_BSS_STOP
,
624 HostCmd_ACT_GEN_SET
, 0,
627 wiphy_err(wiphy
, "Failed to stop the BSS\n");
632 ret
= mwifiex_send_cmd_async(priv
,
633 HostCmd_CMD_UAP_SYS_CONFIG
,
635 UAP_BSS_PARAMS_I
, bss_cfg
);
640 wiphy_err(wiphy
, "Failed to set bss config\n");
647 ret
= mwifiex_send_cmd_async(priv
,
648 HostCmd_CMD_UAP_BSS_START
,
649 HostCmd_ACT_GEN_SET
, 0,
652 wiphy_err(wiphy
, "Failed to start BSS\n");
657 case MWIFIEX_BSS_ROLE_STA
:
658 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
659 ret
= mwifiex_set_rts(priv
,
660 wiphy
->rts_threshold
);
664 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
665 ret
= mwifiex_set_frag(priv
,
666 wiphy
->frag_threshold
);
678 * CFG802.11 operation handler to change interface type.
681 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
682 struct net_device
*dev
,
683 enum nl80211_iftype type
, u32
*flags
,
684 struct vif_params
*params
)
687 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
689 switch (dev
->ieee80211_ptr
->iftype
) {
690 case NL80211_IFTYPE_ADHOC
:
692 case NL80211_IFTYPE_STATION
:
694 case NL80211_IFTYPE_UNSPECIFIED
:
695 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
696 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
698 case NL80211_IFTYPE_AP
:
700 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
705 case NL80211_IFTYPE_STATION
:
707 case NL80211_IFTYPE_ADHOC
:
709 case NL80211_IFTYPE_UNSPECIFIED
:
710 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
711 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
713 case NL80211_IFTYPE_AP
:
715 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
720 case NL80211_IFTYPE_AP
:
722 case NL80211_IFTYPE_UNSPECIFIED
:
723 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
724 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
726 case NL80211_IFTYPE_ADHOC
:
727 case NL80211_IFTYPE_STATION
:
729 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
735 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
736 dev
->name
, dev
->ieee80211_ptr
->iftype
);
740 dev
->ieee80211_ptr
->iftype
= type
;
741 priv
->bss_mode
= type
;
742 mwifiex_deauthenticate(priv
, NULL
);
744 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
746 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_SET_BSS_MODE
,
747 HostCmd_ACT_GEN_SET
, 0, NULL
);
753 * This function dumps the station information on a buffer.
755 * The following information are shown -
756 * - Total bytes transmitted
757 * - Total bytes received
758 * - Total packets transmitted
759 * - Total packets received
760 * - Signal quality level
761 * - Transmission rate
764 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
765 struct station_info
*sinfo
)
769 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
770 STATION_INFO_RX_PACKETS
| STATION_INFO_TX_PACKETS
|
771 STATION_INFO_TX_BITRATE
|
772 STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
774 /* Get signal information from the firmware */
775 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_RSSI_INFO
,
776 HostCmd_ACT_GEN_GET
, 0, NULL
)) {
777 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
781 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
782 dev_err(priv
->adapter
->dev
, "getting data rate\n");
786 /* Get DTIM period information from firmware */
787 mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
788 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
792 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
793 * MCS index values for us are 0 to 15.
795 if ((priv
->tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 16)) {
796 sinfo
->txrate
.mcs
= priv
->tx_rate
;
797 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
799 if (priv
->tx_htinfo
& BIT(1))
800 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
802 if (priv
->tx_htinfo
& BIT(2))
803 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
806 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
807 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
808 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
809 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
810 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
811 sinfo
->signal
= priv
->bcn_rssi_avg
;
812 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
813 sinfo
->txrate
.legacy
= rate
* 5;
815 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
816 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
817 sinfo
->bss_param
.flags
= 0;
818 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
819 WLAN_CAPABILITY_SHORT_PREAMBLE
)
820 sinfo
->bss_param
.flags
|=
821 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
822 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
823 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
824 sinfo
->bss_param
.flags
|=
825 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
826 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
827 sinfo
->bss_param
.beacon_interval
=
828 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
835 * CFG802.11 operation handler to get station information.
837 * This function only works in connected mode, and dumps the
838 * requested station information, if available.
841 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
842 u8
*mac
, struct station_info
*sinfo
)
844 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
846 if (!priv
->media_connected
)
848 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
851 return mwifiex_dump_station_info(priv
, sinfo
);
855 * CFG802.11 operation handler to dump station information.
858 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
859 int idx
, u8
*mac
, struct station_info
*sinfo
)
861 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
863 if (!priv
->media_connected
|| idx
)
866 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
868 return mwifiex_dump_station_info(priv
, sinfo
);
871 /* Supported rates to be advertised to the cfg80211 */
872 static struct ieee80211_rate mwifiex_rates
[] = {
873 {.bitrate
= 10, .hw_value
= 2, },
874 {.bitrate
= 20, .hw_value
= 4, },
875 {.bitrate
= 55, .hw_value
= 11, },
876 {.bitrate
= 110, .hw_value
= 22, },
877 {.bitrate
= 60, .hw_value
= 12, },
878 {.bitrate
= 90, .hw_value
= 18, },
879 {.bitrate
= 120, .hw_value
= 24, },
880 {.bitrate
= 180, .hw_value
= 36, },
881 {.bitrate
= 240, .hw_value
= 48, },
882 {.bitrate
= 360, .hw_value
= 72, },
883 {.bitrate
= 480, .hw_value
= 96, },
884 {.bitrate
= 540, .hw_value
= 108, },
887 /* Channel definitions to be advertised to cfg80211 */
888 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
889 {.center_freq
= 2412, .hw_value
= 1, },
890 {.center_freq
= 2417, .hw_value
= 2, },
891 {.center_freq
= 2422, .hw_value
= 3, },
892 {.center_freq
= 2427, .hw_value
= 4, },
893 {.center_freq
= 2432, .hw_value
= 5, },
894 {.center_freq
= 2437, .hw_value
= 6, },
895 {.center_freq
= 2442, .hw_value
= 7, },
896 {.center_freq
= 2447, .hw_value
= 8, },
897 {.center_freq
= 2452, .hw_value
= 9, },
898 {.center_freq
= 2457, .hw_value
= 10, },
899 {.center_freq
= 2462, .hw_value
= 11, },
900 {.center_freq
= 2467, .hw_value
= 12, },
901 {.center_freq
= 2472, .hw_value
= 13, },
902 {.center_freq
= 2484, .hw_value
= 14, },
905 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
906 .channels
= mwifiex_channels_2ghz
,
907 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
908 .bitrates
= mwifiex_rates
,
909 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
912 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
913 {.center_freq
= 5040, .hw_value
= 8, },
914 {.center_freq
= 5060, .hw_value
= 12, },
915 {.center_freq
= 5080, .hw_value
= 16, },
916 {.center_freq
= 5170, .hw_value
= 34, },
917 {.center_freq
= 5190, .hw_value
= 38, },
918 {.center_freq
= 5210, .hw_value
= 42, },
919 {.center_freq
= 5230, .hw_value
= 46, },
920 {.center_freq
= 5180, .hw_value
= 36, },
921 {.center_freq
= 5200, .hw_value
= 40, },
922 {.center_freq
= 5220, .hw_value
= 44, },
923 {.center_freq
= 5240, .hw_value
= 48, },
924 {.center_freq
= 5260, .hw_value
= 52, },
925 {.center_freq
= 5280, .hw_value
= 56, },
926 {.center_freq
= 5300, .hw_value
= 60, },
927 {.center_freq
= 5320, .hw_value
= 64, },
928 {.center_freq
= 5500, .hw_value
= 100, },
929 {.center_freq
= 5520, .hw_value
= 104, },
930 {.center_freq
= 5540, .hw_value
= 108, },
931 {.center_freq
= 5560, .hw_value
= 112, },
932 {.center_freq
= 5580, .hw_value
= 116, },
933 {.center_freq
= 5600, .hw_value
= 120, },
934 {.center_freq
= 5620, .hw_value
= 124, },
935 {.center_freq
= 5640, .hw_value
= 128, },
936 {.center_freq
= 5660, .hw_value
= 132, },
937 {.center_freq
= 5680, .hw_value
= 136, },
938 {.center_freq
= 5700, .hw_value
= 140, },
939 {.center_freq
= 5745, .hw_value
= 149, },
940 {.center_freq
= 5765, .hw_value
= 153, },
941 {.center_freq
= 5785, .hw_value
= 157, },
942 {.center_freq
= 5805, .hw_value
= 161, },
943 {.center_freq
= 5825, .hw_value
= 165, },
946 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
947 .channels
= mwifiex_channels_5ghz
,
948 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
949 .bitrates
= mwifiex_rates
+ 4,
950 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
954 /* Supported crypto cipher suits to be advertised to cfg80211 */
955 static const u32 mwifiex_cipher_suites
[] = {
956 WLAN_CIPHER_SUITE_WEP40
,
957 WLAN_CIPHER_SUITE_WEP104
,
958 WLAN_CIPHER_SUITE_TKIP
,
959 WLAN_CIPHER_SUITE_CCMP
,
960 WLAN_CIPHER_SUITE_AES_CMAC
,
963 /* Supported mgmt frame types to be advertised to cfg80211 */
964 static const struct ieee80211_txrx_stypes
965 mwifiex_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
966 [NL80211_IFTYPE_STATION
] = {
967 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
968 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
969 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
970 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
972 [NL80211_IFTYPE_AP
] = {
973 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
974 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
975 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
976 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
978 [NL80211_IFTYPE_P2P_CLIENT
] = {
979 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
980 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
981 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
982 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
984 [NL80211_IFTYPE_P2P_GO
] = {
985 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
986 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
987 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
988 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
993 * CFG802.11 operation handler for setting bit rates.
995 * Function configures data rates to firmware using bitrate mask
996 * provided by cfg80211.
998 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
999 struct net_device
*dev
,
1001 const struct cfg80211_bitrate_mask
*mask
)
1003 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1004 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
1005 enum ieee80211_band band
;
1007 if (!priv
->media_connected
) {
1008 dev_err(priv
->adapter
->dev
,
1009 "Can not set Tx data rate in disconnected state\n");
1013 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1015 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
1017 /* Fill HR/DSSS rates. */
1018 if (band
== IEEE80211_BAND_2GHZ
)
1019 bitmap_rates
[0] = mask
->control
[band
].legacy
& 0x000f;
1021 /* Fill OFDM rates */
1022 if (band
== IEEE80211_BAND_2GHZ
)
1023 bitmap_rates
[1] = (mask
->control
[band
].legacy
& 0x0ff0) >> 4;
1025 bitmap_rates
[1] = mask
->control
[band
].legacy
;
1027 /* Fill MCS rates */
1028 bitmap_rates
[2] = mask
->control
[band
].mcs
[0];
1029 if (priv
->adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1030 bitmap_rates
[2] |= mask
->control
[band
].mcs
[1] << 8;
1032 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TX_RATE_CFG
,
1033 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
);
1037 * CFG802.11 operation handler for connection quality monitoring.
1039 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1042 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1043 struct net_device
*dev
,
1044 s32 rssi_thold
, u32 rssi_hyst
)
1046 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1047 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
1049 priv
->cqm_rssi_thold
= rssi_thold
;
1050 priv
->cqm_rssi_hyst
= rssi_hyst
;
1052 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
1053 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
1055 /* Subscribe/unsubscribe low and high rssi events */
1056 if (rssi_thold
&& rssi_hyst
) {
1057 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
1058 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
1059 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
1060 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
1061 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
1062 return mwifiex_send_cmd_sync(priv
,
1063 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1066 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
1067 return mwifiex_send_cmd_sync(priv
,
1068 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1075 /* cfg80211 operation handler for change_beacon.
1076 * Function retrieves and sets modified management IEs to FW.
1078 static int mwifiex_cfg80211_change_beacon(struct wiphy
*wiphy
,
1079 struct net_device
*dev
,
1080 struct cfg80211_beacon_data
*data
)
1082 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1084 if (priv
->bss_type
!= MWIFIEX_BSS_TYPE_UAP
) {
1085 wiphy_err(wiphy
, "%s: bss_type mismatched\n", __func__
);
1089 if (!priv
->bss_started
) {
1090 wiphy_err(wiphy
, "%s: bss not started\n", __func__
);
1094 if (mwifiex_set_mgmt_ies(priv
, data
)) {
1095 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
1103 mwifiex_cfg80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1105 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1106 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
1107 MWIFIEX_BSS_ROLE_ANY
);
1108 struct mwifiex_ds_ant_cfg ant_cfg
;
1110 if (!tx_ant
|| !rx_ant
)
1113 if (adapter
->hw_dev_mcs_support
!= HT_STREAM_2X2
) {
1114 /* Not a MIMO chip. User should provide specific antenna number
1115 * for Tx/Rx path or enable all antennas for diversity
1117 if (tx_ant
!= rx_ant
)
1120 if ((tx_ant
& (tx_ant
- 1)) &&
1121 (tx_ant
!= BIT(adapter
->number_of_antenna
) - 1))
1124 if ((tx_ant
== BIT(adapter
->number_of_antenna
) - 1) &&
1125 (priv
->adapter
->number_of_antenna
> 1)) {
1126 tx_ant
= RF_ANTENNA_AUTO
;
1127 rx_ant
= RF_ANTENNA_AUTO
;
1131 ant_cfg
.tx_ant
= tx_ant
;
1132 ant_cfg
.rx_ant
= rx_ant
;
1134 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_RF_ANTENNA
,
1135 HostCmd_ACT_GEN_SET
, 0, &ant_cfg
);
1138 /* cfg80211 operation handler for stop ap.
1139 * Function stops BSS running at uAP interface.
1141 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1143 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1145 if (mwifiex_del_mgmt_ies(priv
))
1146 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
1148 priv
->ap_11n_enabled
= 0;
1150 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1151 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
1152 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1159 /* cfg80211 operation handler for start_ap.
1160 * Function sets beacon period, DTIM period, SSID and security into
1161 * AP config structure.
1162 * AP is configured with these settings and BSS is started.
1164 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
1165 struct net_device
*dev
,
1166 struct cfg80211_ap_settings
*params
)
1168 struct mwifiex_uap_bss_param
*bss_cfg
;
1169 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1170 u8 config_bands
= 0;
1172 if (priv
->bss_type
!= MWIFIEX_BSS_TYPE_UAP
)
1174 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon
))
1177 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
1181 mwifiex_set_sys_config_invalid_data(bss_cfg
);
1183 if (params
->beacon_interval
)
1184 bss_cfg
->beacon_period
= params
->beacon_interval
;
1185 if (params
->dtim_period
)
1186 bss_cfg
->dtim_period
= params
->dtim_period
;
1188 if (params
->ssid
&& params
->ssid_len
) {
1189 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
1190 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
1193 switch (params
->hidden_ssid
) {
1194 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
1195 bss_cfg
->bcast_ssid_ctl
= 1;
1197 case NL80211_HIDDEN_SSID_ZERO_LEN
:
1198 bss_cfg
->bcast_ssid_ctl
= 0;
1200 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
1201 /* firmware doesn't support this type of hidden SSID */
1208 (u8
)ieee80211_frequency_to_channel(params
->channel
->center_freq
);
1210 /* Set appropriate bands */
1211 if (params
->channel
->band
== IEEE80211_BAND_2GHZ
) {
1212 bss_cfg
->band_cfg
= BAND_CONFIG_BG
;
1214 if (params
->channel_type
== NL80211_CHAN_NO_HT
)
1215 config_bands
= BAND_B
| BAND_G
;
1217 config_bands
= BAND_B
| BAND_G
| BAND_GN
;
1219 bss_cfg
->band_cfg
= BAND_CONFIG_A
;
1221 if (params
->channel_type
== NL80211_CHAN_NO_HT
)
1222 config_bands
= BAND_A
;
1224 config_bands
= BAND_AN
| BAND_A
;
1227 if (!((config_bands
| priv
->adapter
->fw_bands
) &
1228 ~priv
->adapter
->fw_bands
))
1229 priv
->adapter
->config_bands
= config_bands
;
1231 mwifiex_set_uap_rates(bss_cfg
, params
);
1232 mwifiex_send_domain_info_cmd_fw(wiphy
);
1234 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
1236 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
1240 mwifiex_set_ht_params(priv
, bss_cfg
, params
);
1242 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1243 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
1244 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1249 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
1250 HostCmd_ACT_GEN_SET
,
1251 UAP_BSS_PARAMS_I
, bss_cfg
)) {
1252 wiphy_err(wiphy
, "Failed to set the SSID\n");
1259 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_UAP_BSS_START
,
1260 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
1261 wiphy_err(wiphy
, "Failed to start the BSS\n");
1265 if (priv
->sec_info
.wep_enabled
)
1266 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1268 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1270 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_MAC_CONTROL
,
1271 HostCmd_ACT_GEN_SET
, 0,
1272 &priv
->curr_pkt_filter
))
1279 * CFG802.11 operation handler for disconnection request.
1281 * This function does not work when there is already a disconnection
1282 * procedure going on.
1285 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1288 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1290 if (mwifiex_deauthenticate(priv
, NULL
))
1293 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1294 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1296 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1302 * This function informs the CFG802.11 subsystem of a new IBSS.
1304 * The following information are sent to the CFG802.11 subsystem
1305 * to register the new IBSS. If we do not register the new IBSS,
1306 * a kernel panic will result.
1312 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1314 struct ieee80211_channel
*chan
;
1315 struct mwifiex_bss_info bss_info
;
1316 struct cfg80211_bss
*bss
;
1318 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1319 enum ieee80211_band band
;
1321 if (mwifiex_get_bss_info(priv
, &bss_info
))
1324 ie_buf
[0] = WLAN_EID_SSID
;
1325 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1327 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1328 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1329 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1331 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1332 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
1333 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1336 bss
= cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
1337 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1338 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1339 cfg80211_put_bss(bss
);
1340 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1346 * This function connects with a BSS.
1348 * This function handles both Infra and Ad-Hoc modes. It also performs
1349 * validity checking on the provided parameters, disconnects from the
1350 * current BSS (if any), sets up the association/scan parameters,
1351 * including security settings, and performs specific SSID scan before
1352 * trying to connect.
1354 * For Infra mode, the function returns failure if the specified SSID
1355 * is not found in scan table. However, for Ad-Hoc mode, it can create
1356 * the IBSS if it does not exist. On successful completion in either case,
1357 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1360 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
, u8
*ssid
,
1361 u8
*bssid
, int mode
, struct ieee80211_channel
*channel
,
1362 struct cfg80211_connect_params
*sme
, bool privacy
)
1364 struct cfg80211_ssid req_ssid
;
1365 int ret
, auth_type
= 0;
1366 struct cfg80211_bss
*bss
= NULL
;
1367 u8 is_scanning_required
= 0, config_bands
= 0;
1369 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1371 req_ssid
.ssid_len
= ssid_len
;
1372 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1373 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1377 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1378 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1379 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1383 /* disconnect before try to associate */
1384 mwifiex_deauthenticate(priv
, NULL
);
1387 if (mode
== NL80211_IFTYPE_STATION
) {
1388 if (channel
->band
== IEEE80211_BAND_2GHZ
)
1389 config_bands
= BAND_B
| BAND_G
| BAND_GN
;
1391 config_bands
= BAND_A
| BAND_AN
;
1393 if (!((config_bands
| priv
->adapter
->fw_bands
) &
1394 ~priv
->adapter
->fw_bands
))
1395 priv
->adapter
->config_bands
= config_bands
;
1399 /* As this is new association, clear locally stored
1400 * keys and security related flags */
1401 priv
->sec_info
.wpa_enabled
= false;
1402 priv
->sec_info
.wpa2_enabled
= false;
1403 priv
->wep_key_curr_index
= 0;
1404 priv
->sec_info
.encryption_mode
= 0;
1405 priv
->sec_info
.is_authtype_auto
= 0;
1406 ret
= mwifiex_set_encode(priv
, NULL
, NULL
, 0, 0, NULL
, 1);
1408 if (mode
== NL80211_IFTYPE_ADHOC
) {
1409 /* "privacy" is set only for ad-hoc mode */
1412 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1413 * the firmware can find a matching network from the
1414 * scan. The cfg80211 does not give us the encryption
1415 * mode at this stage so just setting it to WEP here.
1417 priv
->sec_info
.encryption_mode
=
1418 WLAN_CIPHER_SUITE_WEP104
;
1419 priv
->sec_info
.authentication_mode
=
1420 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1426 /* Now handle infra mode. "sme" is valid for infra mode only */
1427 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1428 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1429 priv
->sec_info
.is_authtype_auto
= 1;
1431 auth_type
= sme
->auth_type
;
1434 if (sme
->crypto
.n_ciphers_pairwise
) {
1435 priv
->sec_info
.encryption_mode
=
1436 sme
->crypto
.ciphers_pairwise
[0];
1437 priv
->sec_info
.authentication_mode
= auth_type
;
1440 if (sme
->crypto
.cipher_group
) {
1441 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1442 priv
->sec_info
.authentication_mode
= auth_type
;
1445 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1448 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1449 dev_dbg(priv
->adapter
->dev
,
1450 "info: setting wep encryption"
1451 " with key len %d\n", sme
->key_len
);
1452 priv
->wep_key_curr_index
= sme
->key_idx
;
1453 ret
= mwifiex_set_encode(priv
, NULL
, sme
->key
,
1454 sme
->key_len
, sme
->key_idx
,
1460 * Scan entries are valid for some time (15 sec). So we can save one
1461 * active scan time if we just try cfg80211_get_bss first. If it fails
1462 * then request scan and cfg80211_get_bss() again for final output.
1465 if (is_scanning_required
) {
1466 /* Do specific SSID scanning */
1467 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1468 dev_err(priv
->adapter
->dev
, "scan error\n");
1473 /* Find the BSS we want using available scan results */
1474 if (mode
== NL80211_IFTYPE_ADHOC
)
1475 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1476 bssid
, ssid
, ssid_len
,
1477 WLAN_CAPABILITY_IBSS
,
1478 WLAN_CAPABILITY_IBSS
);
1480 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1481 bssid
, ssid
, ssid_len
,
1482 WLAN_CAPABILITY_ESS
,
1483 WLAN_CAPABILITY_ESS
);
1486 if (is_scanning_required
) {
1487 dev_warn(priv
->adapter
->dev
,
1488 "assoc: requested bss not found in scan results\n");
1491 is_scanning_required
= 1;
1493 dev_dbg(priv
->adapter
->dev
,
1494 "info: trying to associate to '%s' bssid %pM\n",
1495 (char *) req_ssid
.ssid
, bss
->bssid
);
1496 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
1501 if (mwifiex_bss_start(priv
, bss
, &req_ssid
))
1504 if (mode
== NL80211_IFTYPE_ADHOC
) {
1505 /* Inform the BSS information to kernel, otherwise
1506 * kernel will give a panic after successful assoc */
1507 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1515 * CFG802.11 operation handler for association request.
1517 * This function does not work when the current mode is set to Ad-Hoc, or
1518 * when there is already an association procedure going on. The given BSS
1519 * information is used to associate.
1522 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1523 struct cfg80211_connect_params
*sme
)
1525 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1528 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
1529 wiphy_err(wiphy
, "received infra assoc request "
1530 "when station is in ibss mode\n");
1534 if (priv
->bss_mode
== NL80211_IFTYPE_AP
) {
1535 wiphy_err(wiphy
, "skip association request for AP interface\n");
1539 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1540 (char *) sme
->ssid
, sme
->bssid
);
1542 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1543 priv
->bss_mode
, sme
->channel
, sme
, 0);
1546 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
1547 NULL
, 0, WLAN_STATUS_SUCCESS
,
1549 dev_dbg(priv
->adapter
->dev
,
1550 "info: associated to bssid %pM successfully\n",
1553 dev_dbg(priv
->adapter
->dev
,
1554 "info: association to bssid %pM failed\n",
1556 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1563 * This function sets following parameters for ibss network.
1567 * - secondary channel offset
1569 static int mwifiex_set_ibss_params(struct mwifiex_private
*priv
,
1570 struct cfg80211_ibss_params
*params
)
1572 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
1573 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1575 u8 config_bands
= 0;
1577 if (params
->channel
->band
== IEEE80211_BAND_2GHZ
) {
1578 if (!params
->basic_rates
) {
1579 config_bands
= BAND_B
| BAND_G
;
1581 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
1583 * Rates below 6 Mbps in the table are CCK
1584 * rates; 802.11b and from 6 they are OFDM;
1587 if (mwifiex_rates
[i
].bitrate
== 60) {
1593 if (params
->basic_rates
< index
) {
1594 config_bands
= BAND_B
;
1596 config_bands
= BAND_G
;
1597 if (params
->basic_rates
% index
)
1598 config_bands
|= BAND_B
;
1602 if (params
->channel_type
!= NL80211_CHAN_NO_HT
)
1603 config_bands
|= BAND_GN
;
1605 if (params
->channel_type
== NL80211_CHAN_NO_HT
)
1606 config_bands
= BAND_A
;
1608 config_bands
= BAND_AN
| BAND_A
;
1611 if (!((config_bands
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
1612 adapter
->config_bands
= config_bands
;
1613 adapter
->adhoc_start_band
= config_bands
;
1615 if ((config_bands
& BAND_GN
) || (config_bands
& BAND_AN
))
1616 adapter
->adhoc_11n_enabled
= true;
1618 adapter
->adhoc_11n_enabled
= false;
1621 adapter
->sec_chan_offset
=
1622 mwifiex_chan_type_to_sec_chan_offset(params
->channel_type
);
1623 priv
->adhoc_channel
=
1624 ieee80211_frequency_to_channel(params
->channel
->center_freq
);
1626 wiphy_dbg(wiphy
, "info: set ibss band %d, chan %d, chan offset %d\n",
1627 config_bands
, priv
->adhoc_channel
, adapter
->sec_chan_offset
);
1633 * CFG802.11 operation handler to join an IBSS.
1635 * This function does not work in any mode other than Ad-Hoc, or if
1636 * a join operation is already in progress.
1639 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1640 struct cfg80211_ibss_params
*params
)
1642 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1645 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1646 wiphy_err(wiphy
, "request to join ibss received "
1647 "when station is not in ibss mode\n");
1651 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1652 (char *) params
->ssid
, params
->bssid
);
1654 mwifiex_set_ibss_params(priv
, params
);
1656 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1657 params
->bssid
, priv
->bss_mode
,
1658 params
->channel
, NULL
, params
->privacy
);
1661 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
, GFP_KERNEL
);
1662 dev_dbg(priv
->adapter
->dev
,
1663 "info: joined/created adhoc network with bssid"
1664 " %pM successfully\n", priv
->cfg_bssid
);
1666 dev_dbg(priv
->adapter
->dev
,
1667 "info: failed creating/joining adhoc network\n");
1674 * CFG802.11 operation handler to leave an IBSS.
1676 * This function does not work if a leave operation is
1677 * already in progress.
1680 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1682 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1684 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1686 if (mwifiex_deauthenticate(priv
, NULL
))
1689 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1695 * CFG802.11 operation handler for scan request.
1697 * This function issues a scan request to the firmware based upon
1698 * the user specified scan configuration. On successfull completion,
1699 * it also informs the results.
1702 mwifiex_cfg80211_scan(struct wiphy
*wiphy
,
1703 struct cfg80211_scan_request
*request
)
1705 struct net_device
*dev
= request
->wdev
->netdev
;
1706 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1708 struct ieee80211_channel
*chan
;
1709 struct ieee_types_header
*ie
;
1711 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1713 if (atomic_read(&priv
->wmm
.tx_pkts_queued
) >=
1714 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN
) {
1715 dev_dbg(priv
->adapter
->dev
, "scan rejected due to traffic\n");
1719 priv
->scan_request
= request
;
1721 priv
->user_scan_cfg
= kzalloc(sizeof(struct mwifiex_user_scan_cfg
),
1723 if (!priv
->user_scan_cfg
) {
1724 dev_err(priv
->adapter
->dev
, "failed to alloc scan_req\n");
1728 priv
->user_scan_cfg
->num_ssids
= request
->n_ssids
;
1729 priv
->user_scan_cfg
->ssid_list
= request
->ssids
;
1731 if (request
->ie
&& request
->ie_len
) {
1733 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1734 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
1736 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
1737 ie
= (struct ieee_types_header
*)(request
->ie
+ offset
);
1738 memcpy(&priv
->vs_ie
[i
].ie
, ie
, sizeof(*ie
) + ie
->len
);
1739 offset
+= sizeof(*ie
) + ie
->len
;
1741 if (offset
>= request
->ie_len
)
1746 for (i
= 0; i
< request
->n_channels
; i
++) {
1747 chan
= request
->channels
[i
];
1748 priv
->user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
1749 priv
->user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
1751 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
1752 priv
->user_scan_cfg
->chan_list
[i
].scan_type
=
1753 MWIFIEX_SCAN_TYPE_PASSIVE
;
1755 priv
->user_scan_cfg
->chan_list
[i
].scan_type
=
1756 MWIFIEX_SCAN_TYPE_ACTIVE
;
1758 priv
->user_scan_cfg
->chan_list
[i
].scan_time
= 0;
1760 if (mwifiex_scan_networks(priv
, priv
->user_scan_cfg
))
1763 if (request
->ie
&& request
->ie_len
) {
1764 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1765 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
1766 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
1767 memset(&priv
->vs_ie
[i
].ie
, 0,
1768 MWIFIEX_MAX_VSIE_LEN
);
1776 * This function sets up the CFG802.11 specific HT capability fields
1777 * with default values.
1779 * The following default values are set -
1780 * - HT Supported = True
1781 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1782 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1783 * - HT Capabilities supported by firmware
1784 * - MCS information, Rx mask = 0xff
1785 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1788 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
1789 struct mwifiex_private
*priv
)
1792 struct ieee80211_mcs_info mcs_set
;
1793 u8
*mcs
= (u8
*)&mcs_set
;
1794 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1796 ht_info
->ht_supported
= true;
1797 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
1798 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
1800 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
1802 /* Fill HT capability information */
1803 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
1804 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1806 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1808 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
1809 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
1811 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
1813 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
1814 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
1816 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
1818 if (ISSUPP_RXSTBC(adapter
->hw_dot_11n_dev_cap
))
1819 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
1821 ht_info
->cap
&= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
);
1823 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
1824 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
1826 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
1828 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
1829 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
1831 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->hw_dev_mcs_support
);
1832 /* Set MCS for 1x1 */
1833 memset(mcs
, 0xff, rx_mcs_supp
);
1834 /* Clear all the other values */
1835 memset(&mcs
[rx_mcs_supp
], 0,
1836 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
1837 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
1838 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
1839 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1840 SETHT_MCS32(mcs_set
.rx_mask
);
1842 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
1844 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
1848 * create a new virtual interface with the given name
1850 struct wireless_dev
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
1852 enum nl80211_iftype type
,
1854 struct vif_params
*params
)
1856 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1857 struct mwifiex_private
*priv
;
1858 struct net_device
*dev
;
1860 struct wireless_dev
*wdev
;
1863 return ERR_PTR(-EFAULT
);
1866 case NL80211_IFTYPE_UNSPECIFIED
:
1867 case NL80211_IFTYPE_STATION
:
1868 case NL80211_IFTYPE_ADHOC
:
1869 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
1870 if (priv
->bss_mode
) {
1872 "cannot create multiple sta/adhoc ifaces\n");
1873 return ERR_PTR(-EINVAL
);
1876 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1878 return ERR_PTR(-ENOMEM
);
1880 wdev
->wiphy
= wiphy
;
1882 wdev
->iftype
= NL80211_IFTYPE_STATION
;
1884 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
1885 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
1887 priv
->bss_mode
= type
;
1889 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
1890 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
1891 priv
->bss_priority
= 0;
1892 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
1896 case NL80211_IFTYPE_AP
:
1897 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_UAP
];
1899 if (priv
->bss_mode
) {
1900 wiphy_err(wiphy
, "Can't create multiple AP interfaces");
1901 return ERR_PTR(-EINVAL
);
1904 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1906 return ERR_PTR(-ENOMEM
);
1909 wdev
->wiphy
= wiphy
;
1910 wdev
->iftype
= NL80211_IFTYPE_AP
;
1912 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
1913 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
1914 priv
->bss_priority
= 0;
1915 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
1916 priv
->bss_started
= 0;
1918 priv
->bss_mode
= type
;
1922 wiphy_err(wiphy
, "type not supported\n");
1923 return ERR_PTR(-EINVAL
);
1926 dev
= alloc_netdev_mq(sizeof(struct mwifiex_private
*), name
,
1929 wiphy_err(wiphy
, "no memory available for netdevice\n");
1930 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
1931 return ERR_PTR(-ENOMEM
);
1934 mwifiex_init_priv_params(priv
, dev
);
1937 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
1939 if (adapter
->config_bands
& BAND_A
)
1940 mwifiex_setup_ht_caps(
1941 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
1943 dev_net_set(dev
, wiphy_net(wiphy
));
1944 dev
->ieee80211_ptr
= priv
->wdev
;
1945 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
1946 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
1947 memcpy(dev
->perm_addr
, wiphy
->perm_addr
, ETH_ALEN
);
1948 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
1950 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1951 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
1952 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
1954 mdev_priv
= netdev_priv(dev
);
1955 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
1957 SET_NETDEV_DEV(dev
, adapter
->dev
);
1959 /* Register network device */
1960 if (register_netdevice(dev
)) {
1961 wiphy_err(wiphy
, "cannot register virtual network device\n");
1963 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
1964 return ERR_PTR(-EFAULT
);
1967 sema_init(&priv
->async_sem
, 1);
1968 priv
->scan_pending_on_block
= false;
1970 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
1972 #ifdef CONFIG_DEBUG_FS
1973 mwifiex_dev_debugfs_init(priv
);
1977 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
1980 * del_virtual_intf: remove the virtual interface determined by dev
1982 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
1984 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
1986 #ifdef CONFIG_DEBUG_FS
1987 mwifiex_dev_debugfs_remove(priv
);
1990 if (!netif_queue_stopped(priv
->netdev
))
1991 netif_stop_queue(priv
->netdev
);
1993 if (netif_carrier_ok(priv
->netdev
))
1994 netif_carrier_off(priv
->netdev
);
1996 if (wdev
->netdev
->reg_state
== NETREG_REGISTERED
)
1997 unregister_netdevice(wdev
->netdev
);
1999 if (wdev
->netdev
->reg_state
== NETREG_UNREGISTERED
)
2000 free_netdev(wdev
->netdev
);
2002 /* Clear the priv in adapter */
2003 priv
->netdev
= NULL
;
2005 priv
->media_connected
= false;
2007 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2011 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
2013 /* station cfg80211 operations */
2014 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
2015 .add_virtual_intf
= mwifiex_add_virtual_intf
,
2016 .del_virtual_intf
= mwifiex_del_virtual_intf
,
2017 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
2018 .scan
= mwifiex_cfg80211_scan
,
2019 .connect
= mwifiex_cfg80211_connect
,
2020 .disconnect
= mwifiex_cfg80211_disconnect
,
2021 .get_station
= mwifiex_cfg80211_get_station
,
2022 .dump_station
= mwifiex_cfg80211_dump_station
,
2023 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
2024 .join_ibss
= mwifiex_cfg80211_join_ibss
,
2025 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
2026 .add_key
= mwifiex_cfg80211_add_key
,
2027 .del_key
= mwifiex_cfg80211_del_key
,
2028 .mgmt_tx
= mwifiex_cfg80211_mgmt_tx
,
2029 .mgmt_frame_register
= mwifiex_cfg80211_mgmt_frame_register
,
2030 .remain_on_channel
= mwifiex_cfg80211_remain_on_channel
,
2031 .cancel_remain_on_channel
= mwifiex_cfg80211_cancel_remain_on_channel
,
2032 .set_default_key
= mwifiex_cfg80211_set_default_key
,
2033 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
2034 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
2035 .set_bitrate_mask
= mwifiex_cfg80211_set_bitrate_mask
,
2036 .start_ap
= mwifiex_cfg80211_start_ap
,
2037 .stop_ap
= mwifiex_cfg80211_stop_ap
,
2038 .change_beacon
= mwifiex_cfg80211_change_beacon
,
2039 .set_cqm_rssi_config
= mwifiex_cfg80211_set_cqm_rssi_config
,
2040 .set_antenna
= mwifiex_cfg80211_set_antenna
,
2044 * This function registers the device with CFG802.11 subsystem.
2046 * The function creates the wireless device/wiphy, populates it with
2047 * default parameters and handler function pointers, and finally
2048 * registers the device.
2051 int mwifiex_register_cfg80211(struct mwifiex_adapter
*adapter
)
2055 struct wiphy
*wiphy
;
2056 struct mwifiex_private
*priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2059 /* create a new wiphy for use with cfg80211 */
2060 wiphy
= wiphy_new(&mwifiex_cfg80211_ops
,
2061 sizeof(struct mwifiex_adapter
*));
2063 dev_err(adapter
->dev
, "%s: creating new wiphy\n", __func__
);
2066 wiphy
->max_scan_ssids
= MWIFIEX_MAX_SSID_LIST_LENGTH
;
2067 wiphy
->max_scan_ie_len
= MWIFIEX_MAX_VSIE_LEN
;
2068 wiphy
->mgmt_stypes
= mwifiex_mgmt_stypes
;
2069 wiphy
->max_remain_on_channel_duration
= 5000;
2070 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
2071 BIT(NL80211_IFTYPE_ADHOC
) |
2072 BIT(NL80211_IFTYPE_AP
);
2074 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
2075 if (adapter
->config_bands
& BAND_A
)
2076 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
2078 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
2080 wiphy
->iface_combinations
= &mwifiex_iface_comb_ap_sta
;
2081 wiphy
->n_iface_combinations
= 1;
2083 /* Initialize cipher suits */
2084 wiphy
->cipher_suites
= mwifiex_cipher_suites
;
2085 wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
2087 memcpy(wiphy
->perm_addr
, priv
->curr_addr
, ETH_ALEN
);
2088 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
2089 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
|
2090 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
|
2091 WIPHY_FLAG_CUSTOM_REGULATORY
|
2092 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
;
2094 wiphy_apply_custom_regulatory(wiphy
, &mwifiex_world_regdom_custom
);
2096 wiphy
->probe_resp_offload
= NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
2097 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
2098 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
2100 wiphy
->available_antennas_tx
= BIT(adapter
->number_of_antenna
) - 1;
2101 wiphy
->available_antennas_rx
= BIT(adapter
->number_of_antenna
) - 1;
2103 wiphy
->features
= NL80211_FEATURE_HT_IBSS
;
2105 /* Reserve space for mwifiex specific private data for BSS */
2106 wiphy
->bss_priv_size
= sizeof(struct mwifiex_bss_priv
);
2108 wiphy
->reg_notifier
= mwifiex_reg_notifier
;
2110 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2111 wdev_priv
= wiphy_priv(wiphy
);
2112 *(unsigned long *)wdev_priv
= (unsigned long)adapter
;
2114 set_wiphy_dev(wiphy
, priv
->adapter
->dev
);
2116 ret
= wiphy_register(wiphy
);
2118 dev_err(adapter
->dev
,
2119 "%s: wiphy_register failed: %d\n", __func__
, ret
);
2123 country_code
= mwifiex_11d_code_2_region(priv
->adapter
->region_code
);
2125 dev_info(adapter
->dev
,
2126 "ignoring F/W country code %2.2s\n", country_code
);
2128 adapter
->wiphy
= wiphy
;