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 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,
45 static const struct ieee80211_regdomain mwifiex_world_regdom_custom
= {
50 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
52 REG_RULE(2467-10, 2472+10, 20, 3, 20,
55 REG_RULE(2484-10, 2484+10, 20, 3, 20,
59 REG_RULE(5180-10, 5240+10, 40, 3, 20,
61 /* Channel 149 - 165 */
62 REG_RULE(5745-10, 5825+10, 40, 3, 20,
65 REG_RULE(5260-10, 5320+10, 40, 3, 30,
68 /* Channel 100 - 140 */
69 REG_RULE(5500-10, 5700+10, 40, 3, 30,
76 * This function maps the nl802.11 channel type into driver channel type.
78 * The mapping is as follows -
79 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
81 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
82 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
83 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
85 u8
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type
)
88 case NL80211_CHAN_NO_HT
:
89 case NL80211_CHAN_HT20
:
90 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
91 case NL80211_CHAN_HT40PLUS
:
92 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
93 case NL80211_CHAN_HT40MINUS
:
94 return IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
96 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
101 * This function checks whether WEP is set.
104 mwifiex_is_alg_wep(u32 cipher
)
107 case WLAN_CIPHER_SUITE_WEP40
:
108 case WLAN_CIPHER_SUITE_WEP104
:
118 * This function retrieves the private structure from kernel wiphy structure.
120 static void *mwifiex_cfg80211_get_adapter(struct wiphy
*wiphy
)
122 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
126 * CFG802.11 operation handler to delete a network key.
129 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
130 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
132 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
133 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
134 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
136 if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
, peer_mac
, 1)) {
137 wiphy_err(wiphy
, "deleting the crypto keys\n");
141 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
146 * This function forms an skb for management frame.
149 mwifiex_form_mgmt_frame(struct sk_buff
*skb
, const u8
*buf
, size_t len
)
151 u8 addr
[ETH_ALEN
] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
153 u32 tx_control
= 0, pkt_type
= PKT_TYPE_MGMT
;
156 pkt_len
= len
+ ETH_ALEN
;
158 skb_reserve(skb
, MWIFIEX_MIN_DATA_HEADER_LEN
+
159 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+ sizeof(pkt_len
));
160 memcpy(skb_push(skb
, sizeof(pkt_len
)), &pkt_len
, sizeof(pkt_len
));
162 memcpy(skb_push(skb
, sizeof(tx_control
)),
163 &tx_control
, sizeof(tx_control
));
165 memcpy(skb_push(skb
, sizeof(pkt_type
)), &pkt_type
, sizeof(pkt_type
));
167 /* Add packet data and address4 */
168 memcpy(skb_put(skb
, sizeof(struct ieee80211_hdr_3addr
)), buf
,
169 sizeof(struct ieee80211_hdr_3addr
));
170 memcpy(skb_put(skb
, ETH_ALEN
), addr
, ETH_ALEN
);
171 memcpy(skb_put(skb
, len
- sizeof(struct ieee80211_hdr_3addr
)),
172 buf
+ sizeof(struct ieee80211_hdr_3addr
),
173 len
- sizeof(struct ieee80211_hdr_3addr
));
175 skb
->priority
= LOW_PRIO_TID
;
176 do_gettimeofday(&tv
);
177 skb
->tstamp
= timeval_to_ktime(tv
);
183 * CFG802.11 operation handler to transmit a management frame.
186 mwifiex_cfg80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
187 struct cfg80211_mgmt_tx_params
*params
, u64
*cookie
)
189 const u8
*buf
= params
->buf
;
190 size_t len
= params
->len
;
193 const struct ieee80211_mgmt
*mgmt
;
194 struct mwifiex_txinfo
*tx_info
;
195 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
198 wiphy_err(wiphy
, "invalid buffer and length\n");
202 mgmt
= (const struct ieee80211_mgmt
*)buf
;
203 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
&&
204 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
205 /* Since we support offload probe resp, we need to skip probe
206 * resp in AP or GO mode */
208 "info: skip to send probe resp in AP or GO mode\n");
212 pkt_len
= len
+ ETH_ALEN
;
213 skb
= dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN
+
214 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+
215 pkt_len
+ sizeof(pkt_len
));
218 wiphy_err(wiphy
, "allocate skb failed for management frame\n");
222 tx_info
= MWIFIEX_SKB_TXCB(skb
);
223 tx_info
->bss_num
= priv
->bss_num
;
224 tx_info
->bss_type
= priv
->bss_type
;
225 tx_info
->pkt_len
= pkt_len
;
227 mwifiex_form_mgmt_frame(skb
, buf
, len
);
228 mwifiex_queue_tx_pkt(priv
, skb
);
230 *cookie
= prandom_u32() | 1;
231 cfg80211_mgmt_tx_status(wdev
, *cookie
, buf
, len
, true, GFP_ATOMIC
);
233 wiphy_dbg(wiphy
, "info: management frame transmitted\n");
238 * CFG802.11 operation handler to register a mgmt frame.
241 mwifiex_cfg80211_mgmt_frame_register(struct wiphy
*wiphy
,
242 struct wireless_dev
*wdev
,
243 u16 frame_type
, bool reg
)
245 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
249 mask
= priv
->mgmt_frame_mask
| BIT(frame_type
>> 4);
251 mask
= priv
->mgmt_frame_mask
& ~BIT(frame_type
>> 4);
253 if (mask
!= priv
->mgmt_frame_mask
) {
254 priv
->mgmt_frame_mask
= mask
;
255 mwifiex_send_cmd(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
256 HostCmd_ACT_GEN_SET
, 0,
257 &priv
->mgmt_frame_mask
, false);
258 wiphy_dbg(wiphy
, "info: mgmt frame registered\n");
263 * CFG802.11 operation handler to remain on channel.
266 mwifiex_cfg80211_remain_on_channel(struct wiphy
*wiphy
,
267 struct wireless_dev
*wdev
,
268 struct ieee80211_channel
*chan
,
269 unsigned int duration
, u64
*cookie
)
271 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
274 if (!chan
|| !cookie
) {
275 wiphy_err(wiphy
, "Invalid parameter for ROC\n");
279 if (priv
->roc_cfg
.cookie
) {
280 wiphy_dbg(wiphy
, "info: ongoing ROC, cookie = 0x%llu\n",
281 priv
->roc_cfg
.cookie
);
285 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_SET
, chan
,
289 *cookie
= prandom_u32() | 1;
290 priv
->roc_cfg
.cookie
= *cookie
;
291 priv
->roc_cfg
.chan
= *chan
;
293 cfg80211_ready_on_channel(wdev
, *cookie
, chan
,
294 duration
, GFP_ATOMIC
);
296 wiphy_dbg(wiphy
, "info: ROC, cookie = 0x%llx\n", *cookie
);
303 * CFG802.11 operation handler to cancel remain on channel.
306 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
307 struct wireless_dev
*wdev
, u64 cookie
)
309 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
312 if (cookie
!= priv
->roc_cfg
.cookie
)
315 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_REMOVE
,
316 &priv
->roc_cfg
.chan
, 0);
319 cfg80211_remain_on_channel_expired(wdev
, cookie
,
323 memset(&priv
->roc_cfg
, 0, sizeof(struct mwifiex_roc_cfg
));
325 wiphy_dbg(wiphy
, "info: cancel ROC, cookie = 0x%llx\n", cookie
);
332 * CFG802.11 operation handler to set Tx power.
335 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
336 struct wireless_dev
*wdev
,
337 enum nl80211_tx_power_setting type
,
340 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
341 struct mwifiex_private
*priv
;
342 struct mwifiex_power_cfg power_cfg
;
343 int dbm
= MBM_TO_DBM(mbm
);
345 if (type
== NL80211_TX_POWER_FIXED
) {
346 power_cfg
.is_power_auto
= 0;
347 power_cfg
.power_level
= dbm
;
349 power_cfg
.is_power_auto
= 1;
352 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
354 return mwifiex_set_tx_power(priv
, &power_cfg
);
358 * CFG802.11 operation handler to set Power Save option.
360 * The timeout value, if provided, is currently ignored.
363 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
364 struct net_device
*dev
,
365 bool enabled
, int timeout
)
367 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
372 "info: ignore timeout value for IEEE Power Save\n");
376 return mwifiex_drv_set_power(priv
, &ps_mode
);
380 * CFG802.11 operation handler to set the default network key.
383 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
384 u8 key_index
, bool unicast
,
387 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
389 /* Return if WEP key not configured */
390 if (!priv
->sec_info
.wep_enabled
)
393 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_UAP
) {
394 priv
->wep_key_curr_index
= key_index
;
395 } else if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
,
397 wiphy_err(wiphy
, "set default Tx key index\n");
405 * CFG802.11 operation handler to add a network key.
408 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
409 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
410 struct key_params
*params
)
412 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
413 struct mwifiex_wep_key
*wep_key
;
414 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
415 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
417 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
&&
418 (params
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
419 params
->cipher
== WLAN_CIPHER_SUITE_WEP104
)) {
420 if (params
->key
&& params
->key_len
) {
421 wep_key
= &priv
->wep_key
[key_index
];
422 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
423 memcpy(wep_key
->key_material
, params
->key
,
425 wep_key
->key_index
= key_index
;
426 wep_key
->key_length
= params
->key_len
;
427 priv
->sec_info
.wep_enabled
= 1;
432 if (mwifiex_set_encode(priv
, params
, params
->key
, params
->key_len
,
433 key_index
, peer_mac
, 0)) {
434 wiphy_err(wiphy
, "crypto keys added\n");
442 * This function sends domain information to the firmware.
444 * The following information are passed to the firmware -
446 * - Sub bands (first channel, number of channels, maximum Tx power)
448 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
450 u8 no_of_triplet
= 0;
451 struct ieee80211_country_ie_triplet
*t
;
452 u8 no_of_parsed_chan
= 0;
453 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
455 enum ieee80211_band band
;
456 struct ieee80211_supported_band
*sband
;
457 struct ieee80211_channel
*ch
;
458 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
459 struct mwifiex_private
*priv
;
460 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
462 /* Set country code */
463 domain_info
->country_code
[0] = adapter
->country_code
[0];
464 domain_info
->country_code
[1] = adapter
->country_code
[1];
465 domain_info
->country_code
[2] = ' ';
467 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
468 if (!wiphy
->bands
[band
]) {
469 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
473 sband
= wiphy
->bands
[band
];
475 for (i
= 0; i
< sband
->n_channels
; i
++) {
476 ch
= &sband
->channels
[i
];
477 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
482 first_chan
= (u32
) ch
->hw_value
;
483 next_chan
= first_chan
;
484 max_pwr
= ch
->max_power
;
485 no_of_parsed_chan
= 1;
489 if (ch
->hw_value
== next_chan
+ 1 &&
490 ch
->max_power
== max_pwr
) {
494 t
= &domain_info
->triplet
[no_of_triplet
];
495 t
->chans
.first_channel
= first_chan
;
496 t
->chans
.num_channels
= no_of_parsed_chan
;
497 t
->chans
.max_power
= max_pwr
;
499 first_chan
= (u32
) ch
->hw_value
;
500 next_chan
= first_chan
;
501 max_pwr
= ch
->max_power
;
502 no_of_parsed_chan
= 1;
507 t
= &domain_info
->triplet
[no_of_triplet
];
508 t
->chans
.first_channel
= first_chan
;
509 t
->chans
.num_channels
= no_of_parsed_chan
;
510 t
->chans
.max_power
= max_pwr
;
514 domain_info
->no_of_triplet
= no_of_triplet
;
516 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
518 if (mwifiex_send_cmd(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
519 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
520 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
528 * CFG802.11 regulatory domain callback function.
530 * This function is called when the regulatory domain is changed due to the
531 * following reasons -
533 * - Set by system core
535 * - Set bt Country IE
537 static void mwifiex_reg_notifier(struct wiphy
*wiphy
,
538 struct regulatory_request
*request
)
540 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
541 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
542 MWIFIEX_BSS_ROLE_ANY
);
544 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
545 request
->alpha2
[0], request
->alpha2
[1]);
547 switch (request
->initiator
) {
548 case NL80211_REGDOM_SET_BY_DRIVER
:
549 case NL80211_REGDOM_SET_BY_CORE
:
550 case NL80211_REGDOM_SET_BY_USER
:
551 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
554 wiphy_err(wiphy
, "unknown regdom initiator: %d\n",
559 /* Don't send world or same regdom info to firmware */
560 if (strncmp(request
->alpha2
, "00", 2) &&
561 strncmp(request
->alpha2
, adapter
->country_code
,
562 sizeof(request
->alpha2
))) {
563 memcpy(adapter
->country_code
, request
->alpha2
,
564 sizeof(request
->alpha2
));
565 mwifiex_send_domain_info_cmd_fw(wiphy
);
566 mwifiex_dnld_txpwr_table(priv
);
571 * This function sets the fragmentation threshold.
573 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
574 * and MWIFIEX_FRAG_MAX_VALUE.
577 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
579 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
580 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
581 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
583 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
584 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
589 * This function sets the RTS threshold.
591 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
592 * and MWIFIEX_RTS_MAX_VALUE.
595 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
597 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
598 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
600 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
601 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
606 * CFG802.11 operation handler to set wiphy parameters.
608 * This function can be used to set the RTS threshold and the
609 * Fragmentation threshold of the driver.
612 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
614 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
615 struct mwifiex_private
*priv
;
616 struct mwifiex_uap_bss_param
*bss_cfg
;
617 int ret
, bss_started
, i
;
619 for (i
= 0; i
< adapter
->priv_num
; i
++) {
620 priv
= adapter
->priv
[i
];
622 switch (priv
->bss_role
) {
623 case MWIFIEX_BSS_ROLE_UAP
:
624 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
),
629 mwifiex_set_sys_config_invalid_data(bss_cfg
);
631 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
632 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
633 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
634 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
635 if (changed
& WIPHY_PARAM_RETRY_LONG
)
636 bss_cfg
->retry_limit
= wiphy
->retry_long
;
638 bss_started
= priv
->bss_started
;
640 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
641 HostCmd_ACT_GEN_SET
, 0,
644 wiphy_err(wiphy
, "Failed to stop the BSS\n");
649 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
651 UAP_BSS_PARAMS_I
, bss_cfg
,
657 wiphy_err(wiphy
, "Failed to set bss config\n");
664 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
665 HostCmd_ACT_GEN_SET
, 0,
668 wiphy_err(wiphy
, "Failed to start BSS\n");
673 case MWIFIEX_BSS_ROLE_STA
:
674 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
675 ret
= mwifiex_set_rts(priv
,
676 wiphy
->rts_threshold
);
680 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
681 ret
= mwifiex_set_frag(priv
,
682 wiphy
->frag_threshold
);
694 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private
*priv
)
696 u16 mode
= P2P_MODE_DISABLE
;
698 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
)
699 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_STA
);
701 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
702 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
709 * This function initializes the functionalities for P2P client.
710 * The P2P client initialization sequence is:
711 * disable -> device -> client
714 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private
*priv
)
718 if (mwifiex_cfg80211_deinit_p2p(priv
))
721 mode
= P2P_MODE_DEVICE
;
722 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
723 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
726 mode
= P2P_MODE_CLIENT
;
727 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
728 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
735 * This function initializes the functionalities for P2P GO.
736 * The P2P GO initialization sequence is:
737 * disable -> device -> GO
740 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private
*priv
)
744 if (mwifiex_cfg80211_deinit_p2p(priv
))
747 mode
= P2P_MODE_DEVICE
;
748 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
749 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
753 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
754 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
757 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
758 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_UAP
);
764 * CFG802.11 operation handler to change interface type.
767 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
768 struct net_device
*dev
,
769 enum nl80211_iftype type
, u32
*flags
,
770 struct vif_params
*params
)
773 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
775 switch (dev
->ieee80211_ptr
->iftype
) {
776 case NL80211_IFTYPE_ADHOC
:
778 case NL80211_IFTYPE_STATION
:
780 case NL80211_IFTYPE_UNSPECIFIED
:
781 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
782 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
784 case NL80211_IFTYPE_AP
:
786 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
791 case NL80211_IFTYPE_STATION
:
793 case NL80211_IFTYPE_ADHOC
:
795 case NL80211_IFTYPE_P2P_CLIENT
:
796 if (mwifiex_cfg80211_init_p2p_client(priv
))
798 dev
->ieee80211_ptr
->iftype
= type
;
800 case NL80211_IFTYPE_P2P_GO
:
801 if (mwifiex_cfg80211_init_p2p_go(priv
))
803 dev
->ieee80211_ptr
->iftype
= type
;
805 case NL80211_IFTYPE_UNSPECIFIED
:
806 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
807 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
809 case NL80211_IFTYPE_AP
:
811 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
816 case NL80211_IFTYPE_AP
:
818 case NL80211_IFTYPE_UNSPECIFIED
:
819 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
820 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
822 case NL80211_IFTYPE_ADHOC
:
823 case NL80211_IFTYPE_STATION
:
825 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
830 case NL80211_IFTYPE_P2P_CLIENT
:
831 case NL80211_IFTYPE_P2P_GO
:
833 case NL80211_IFTYPE_STATION
:
834 if (mwifiex_cfg80211_deinit_p2p(priv
))
836 dev
->ieee80211_ptr
->iftype
= type
;
843 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
844 dev
->name
, dev
->ieee80211_ptr
->iftype
);
848 dev
->ieee80211_ptr
->iftype
= type
;
849 priv
->bss_mode
= type
;
850 mwifiex_deauthenticate(priv
, NULL
);
852 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
854 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
855 HostCmd_ACT_GEN_SET
, 0, NULL
, true);
861 mwifiex_parse_htinfo(struct mwifiex_private
*priv
, u8 tx_htinfo
,
862 struct rate_info
*rate
)
864 struct mwifiex_adapter
*adapter
= priv
->adapter
;
866 if (adapter
->is_hw_11ac_capable
) {
867 /* bit[1-0]: 00=LG 01=HT 10=VHT */
868 if (tx_htinfo
& BIT(0)) {
870 rate
->mcs
= priv
->tx_rate
;
871 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
873 if (tx_htinfo
& BIT(1)) {
875 rate
->mcs
= priv
->tx_rate
& 0x0F;
876 rate
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
879 if (tx_htinfo
& (BIT(1) | BIT(0))) {
881 switch (tx_htinfo
& (BIT(3) | BIT(2))) {
883 /* This will be 20MHz */
886 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
889 rate
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
891 case (BIT(3) | BIT(2)):
892 rate
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
896 if (tx_htinfo
& BIT(4))
897 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
899 if ((priv
->tx_rate
>> 4) == 1)
906 * Bit 0 in tx_htinfo indicates that current Tx rate
907 * is 11n rate. Valid MCS index values for us are 0 to 15.
909 if ((tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 16)) {
910 rate
->mcs
= priv
->tx_rate
;
911 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
912 if (tx_htinfo
& BIT(1))
913 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
914 if (tx_htinfo
& BIT(2))
915 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
921 * This function dumps the station information on a buffer.
923 * The following information are shown -
924 * - Total bytes transmitted
925 * - Total bytes received
926 * - Total packets transmitted
927 * - Total packets received
928 * - Signal quality level
929 * - Transmission rate
932 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
933 struct station_info
*sinfo
)
937 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
938 STATION_INFO_RX_PACKETS
| STATION_INFO_TX_PACKETS
|
939 STATION_INFO_TX_BITRATE
|
940 STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
942 /* Get signal information from the firmware */
943 if (mwifiex_send_cmd(priv
, HostCmd_CMD_RSSI_INFO
,
944 HostCmd_ACT_GEN_GET
, 0, NULL
, true)) {
945 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
949 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
950 dev_err(priv
->adapter
->dev
, "getting data rate\n");
954 /* Get DTIM period information from firmware */
955 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
956 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
957 &priv
->dtim_period
, true);
959 mwifiex_parse_htinfo(priv
, priv
->tx_htinfo
, &sinfo
->txrate
);
961 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
962 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
963 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
964 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
965 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
966 sinfo
->signal
= priv
->bcn_rssi_avg
;
967 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
968 sinfo
->txrate
.legacy
= rate
* 5;
970 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
971 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
972 sinfo
->bss_param
.flags
= 0;
973 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
974 WLAN_CAPABILITY_SHORT_PREAMBLE
)
975 sinfo
->bss_param
.flags
|=
976 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
977 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
978 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
979 sinfo
->bss_param
.flags
|=
980 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
981 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
982 sinfo
->bss_param
.beacon_interval
=
983 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
990 * CFG802.11 operation handler to get station information.
992 * This function only works in connected mode, and dumps the
993 * requested station information, if available.
996 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
997 u8
*mac
, struct station_info
*sinfo
)
999 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1001 if (!priv
->media_connected
)
1003 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
1006 return mwifiex_dump_station_info(priv
, sinfo
);
1010 * CFG802.11 operation handler to dump station information.
1013 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1014 int idx
, u8
*mac
, struct station_info
*sinfo
)
1016 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1018 if (!priv
->media_connected
|| idx
)
1021 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
1023 return mwifiex_dump_station_info(priv
, sinfo
);
1026 /* Supported rates to be advertised to the cfg80211 */
1027 static struct ieee80211_rate mwifiex_rates
[] = {
1028 {.bitrate
= 10, .hw_value
= 2, },
1029 {.bitrate
= 20, .hw_value
= 4, },
1030 {.bitrate
= 55, .hw_value
= 11, },
1031 {.bitrate
= 110, .hw_value
= 22, },
1032 {.bitrate
= 60, .hw_value
= 12, },
1033 {.bitrate
= 90, .hw_value
= 18, },
1034 {.bitrate
= 120, .hw_value
= 24, },
1035 {.bitrate
= 180, .hw_value
= 36, },
1036 {.bitrate
= 240, .hw_value
= 48, },
1037 {.bitrate
= 360, .hw_value
= 72, },
1038 {.bitrate
= 480, .hw_value
= 96, },
1039 {.bitrate
= 540, .hw_value
= 108, },
1042 /* Channel definitions to be advertised to cfg80211 */
1043 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
1044 {.center_freq
= 2412, .hw_value
= 1, },
1045 {.center_freq
= 2417, .hw_value
= 2, },
1046 {.center_freq
= 2422, .hw_value
= 3, },
1047 {.center_freq
= 2427, .hw_value
= 4, },
1048 {.center_freq
= 2432, .hw_value
= 5, },
1049 {.center_freq
= 2437, .hw_value
= 6, },
1050 {.center_freq
= 2442, .hw_value
= 7, },
1051 {.center_freq
= 2447, .hw_value
= 8, },
1052 {.center_freq
= 2452, .hw_value
= 9, },
1053 {.center_freq
= 2457, .hw_value
= 10, },
1054 {.center_freq
= 2462, .hw_value
= 11, },
1055 {.center_freq
= 2467, .hw_value
= 12, },
1056 {.center_freq
= 2472, .hw_value
= 13, },
1057 {.center_freq
= 2484, .hw_value
= 14, },
1060 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
1061 .channels
= mwifiex_channels_2ghz
,
1062 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
1063 .bitrates
= mwifiex_rates
,
1064 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
1067 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
1068 {.center_freq
= 5040, .hw_value
= 8, },
1069 {.center_freq
= 5060, .hw_value
= 12, },
1070 {.center_freq
= 5080, .hw_value
= 16, },
1071 {.center_freq
= 5170, .hw_value
= 34, },
1072 {.center_freq
= 5190, .hw_value
= 38, },
1073 {.center_freq
= 5210, .hw_value
= 42, },
1074 {.center_freq
= 5230, .hw_value
= 46, },
1075 {.center_freq
= 5180, .hw_value
= 36, },
1076 {.center_freq
= 5200, .hw_value
= 40, },
1077 {.center_freq
= 5220, .hw_value
= 44, },
1078 {.center_freq
= 5240, .hw_value
= 48, },
1079 {.center_freq
= 5260, .hw_value
= 52, },
1080 {.center_freq
= 5280, .hw_value
= 56, },
1081 {.center_freq
= 5300, .hw_value
= 60, },
1082 {.center_freq
= 5320, .hw_value
= 64, },
1083 {.center_freq
= 5500, .hw_value
= 100, },
1084 {.center_freq
= 5520, .hw_value
= 104, },
1085 {.center_freq
= 5540, .hw_value
= 108, },
1086 {.center_freq
= 5560, .hw_value
= 112, },
1087 {.center_freq
= 5580, .hw_value
= 116, },
1088 {.center_freq
= 5600, .hw_value
= 120, },
1089 {.center_freq
= 5620, .hw_value
= 124, },
1090 {.center_freq
= 5640, .hw_value
= 128, },
1091 {.center_freq
= 5660, .hw_value
= 132, },
1092 {.center_freq
= 5680, .hw_value
= 136, },
1093 {.center_freq
= 5700, .hw_value
= 140, },
1094 {.center_freq
= 5745, .hw_value
= 149, },
1095 {.center_freq
= 5765, .hw_value
= 153, },
1096 {.center_freq
= 5785, .hw_value
= 157, },
1097 {.center_freq
= 5805, .hw_value
= 161, },
1098 {.center_freq
= 5825, .hw_value
= 165, },
1101 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
1102 .channels
= mwifiex_channels_5ghz
,
1103 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
1104 .bitrates
= mwifiex_rates
+ 4,
1105 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
1109 /* Supported crypto cipher suits to be advertised to cfg80211 */
1110 static const u32 mwifiex_cipher_suites
[] = {
1111 WLAN_CIPHER_SUITE_WEP40
,
1112 WLAN_CIPHER_SUITE_WEP104
,
1113 WLAN_CIPHER_SUITE_TKIP
,
1114 WLAN_CIPHER_SUITE_CCMP
,
1115 WLAN_CIPHER_SUITE_AES_CMAC
,
1118 /* Supported mgmt frame types to be advertised to cfg80211 */
1119 static const struct ieee80211_txrx_stypes
1120 mwifiex_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
1121 [NL80211_IFTYPE_STATION
] = {
1122 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1123 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1124 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1125 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1127 [NL80211_IFTYPE_AP
] = {
1128 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1129 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1130 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1131 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1133 [NL80211_IFTYPE_P2P_CLIENT
] = {
1134 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1135 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1136 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1137 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1139 [NL80211_IFTYPE_P2P_GO
] = {
1140 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1141 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1142 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1143 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1148 * CFG802.11 operation handler for setting bit rates.
1150 * Function configures data rates to firmware using bitrate mask
1151 * provided by cfg80211.
1153 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
1154 struct net_device
*dev
,
1156 const struct cfg80211_bitrate_mask
*mask
)
1158 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1159 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
1160 enum ieee80211_band band
;
1161 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1163 if (!priv
->media_connected
) {
1164 dev_err(adapter
->dev
,
1165 "Can not set Tx data rate in disconnected state\n");
1169 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1171 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
1173 /* Fill HR/DSSS rates. */
1174 if (band
== IEEE80211_BAND_2GHZ
)
1175 bitmap_rates
[0] = mask
->control
[band
].legacy
& 0x000f;
1177 /* Fill OFDM rates */
1178 if (band
== IEEE80211_BAND_2GHZ
)
1179 bitmap_rates
[1] = (mask
->control
[band
].legacy
& 0x0ff0) >> 4;
1181 bitmap_rates
[1] = mask
->control
[band
].legacy
;
1183 /* Fill HT MCS rates */
1184 bitmap_rates
[2] = mask
->control
[band
].ht_mcs
[0];
1185 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1186 bitmap_rates
[2] |= mask
->control
[band
].ht_mcs
[1] << 8;
1188 /* Fill VHT MCS rates */
1189 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
) {
1190 bitmap_rates
[10] = mask
->control
[band
].vht_mcs
[0];
1191 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1192 bitmap_rates
[11] = mask
->control
[band
].vht_mcs
[1];
1195 return mwifiex_send_cmd(priv
, HostCmd_CMD_TX_RATE_CFG
,
1196 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
, true);
1200 * CFG802.11 operation handler for connection quality monitoring.
1202 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1205 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1206 struct net_device
*dev
,
1207 s32 rssi_thold
, u32 rssi_hyst
)
1209 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1210 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
1212 priv
->cqm_rssi_thold
= rssi_thold
;
1213 priv
->cqm_rssi_hyst
= rssi_hyst
;
1215 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
1216 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
1218 /* Subscribe/unsubscribe low and high rssi events */
1219 if (rssi_thold
&& rssi_hyst
) {
1220 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
1221 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
1222 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
1223 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
1224 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
1225 return mwifiex_send_cmd(priv
,
1226 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1227 0, 0, &subsc_evt
, true);
1229 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
1230 return mwifiex_send_cmd(priv
,
1231 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1232 0, 0, &subsc_evt
, true);
1238 /* cfg80211 operation handler for change_beacon.
1239 * Function retrieves and sets modified management IEs to FW.
1241 static int mwifiex_cfg80211_change_beacon(struct wiphy
*wiphy
,
1242 struct net_device
*dev
,
1243 struct cfg80211_beacon_data
*data
)
1245 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1247 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
) {
1248 wiphy_err(wiphy
, "%s: bss_type mismatched\n", __func__
);
1252 if (!priv
->bss_started
) {
1253 wiphy_err(wiphy
, "%s: bss not started\n", __func__
);
1257 if (mwifiex_set_mgmt_ies(priv
, data
)) {
1258 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
1265 /* cfg80211 operation handler for del_station.
1266 * Function deauthenticates station which value is provided in mac parameter.
1267 * If mac is NULL/broadcast, all stations in associated station list are
1268 * deauthenticated. If bss is not started or there are no stations in
1269 * associated stations list, no action is taken.
1272 mwifiex_cfg80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1275 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1276 struct mwifiex_sta_node
*sta_node
;
1277 unsigned long flags
;
1279 if (list_empty(&priv
->sta_list
) || !priv
->bss_started
)
1282 if (!mac
|| is_broadcast_ether_addr(mac
)) {
1283 wiphy_dbg(wiphy
, "%s: NULL/broadcast mac address\n", __func__
);
1284 list_for_each_entry(sta_node
, &priv
->sta_list
, list
) {
1285 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1286 HostCmd_ACT_GEN_SET
, 0,
1287 sta_node
->mac_addr
, true))
1289 mwifiex_uap_del_sta_data(priv
, sta_node
);
1292 wiphy_dbg(wiphy
, "%s: mac address %pM\n", __func__
, mac
);
1293 spin_lock_irqsave(&priv
->sta_list_spinlock
, flags
);
1294 sta_node
= mwifiex_get_sta_entry(priv
, mac
);
1295 spin_unlock_irqrestore(&priv
->sta_list_spinlock
, flags
);
1297 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1298 HostCmd_ACT_GEN_SET
, 0,
1299 sta_node
->mac_addr
, true))
1301 mwifiex_uap_del_sta_data(priv
, sta_node
);
1309 mwifiex_cfg80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1311 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1312 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
1313 MWIFIEX_BSS_ROLE_ANY
);
1314 struct mwifiex_ds_ant_cfg ant_cfg
;
1316 if (!tx_ant
|| !rx_ant
)
1319 if (adapter
->hw_dev_mcs_support
!= HT_STREAM_2X2
) {
1320 /* Not a MIMO chip. User should provide specific antenna number
1321 * for Tx/Rx path or enable all antennas for diversity
1323 if (tx_ant
!= rx_ant
)
1326 if ((tx_ant
& (tx_ant
- 1)) &&
1327 (tx_ant
!= BIT(adapter
->number_of_antenna
) - 1))
1330 if ((tx_ant
== BIT(adapter
->number_of_antenna
) - 1) &&
1331 (priv
->adapter
->number_of_antenna
> 1)) {
1332 tx_ant
= RF_ANTENNA_AUTO
;
1333 rx_ant
= RF_ANTENNA_AUTO
;
1336 struct ieee80211_sta_ht_cap
*ht_info
;
1338 enum ieee80211_band band
;
1340 if ((tx_ant
== 0x1 && rx_ant
== 0x1)) {
1341 adapter
->user_dev_mcs_support
= HT_STREAM_1X1
;
1342 if (adapter
->is_hw_11ac_capable
)
1343 adapter
->usr_dot_11ac_mcs_support
=
1344 MWIFIEX_11AC_MCS_MAP_1X1
;
1346 adapter
->user_dev_mcs_support
= HT_STREAM_2X2
;
1347 if (adapter
->is_hw_11ac_capable
)
1348 adapter
->usr_dot_11ac_mcs_support
=
1349 MWIFIEX_11AC_MCS_MAP_2X2
;
1352 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
1353 if (!adapter
->wiphy
->bands
[band
])
1356 ht_info
= &adapter
->wiphy
->bands
[band
]->ht_cap
;
1358 GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
1359 memset(&ht_info
->mcs
, 0, adapter
->number_of_antenna
);
1360 memset(&ht_info
->mcs
, 0xff, rx_mcs_supp
);
1364 ant_cfg
.tx_ant
= tx_ant
;
1365 ant_cfg
.rx_ant
= rx_ant
;
1367 return mwifiex_send_cmd(priv
, HostCmd_CMD_RF_ANTENNA
,
1368 HostCmd_ACT_GEN_SET
, 0, &ant_cfg
, true);
1371 /* cfg80211 operation handler for stop ap.
1372 * Function stops BSS running at uAP interface.
1374 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1376 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1378 if (mwifiex_del_mgmt_ies(priv
))
1379 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
1381 priv
->ap_11n_enabled
= 0;
1383 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1384 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1385 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1392 /* cfg80211 operation handler for start_ap.
1393 * Function sets beacon period, DTIM period, SSID and security into
1394 * AP config structure.
1395 * AP is configured with these settings and BSS is started.
1397 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
1398 struct net_device
*dev
,
1399 struct cfg80211_ap_settings
*params
)
1401 struct mwifiex_uap_bss_param
*bss_cfg
;
1402 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1403 u8 config_bands
= 0;
1405 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
1407 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon
))
1410 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
1414 mwifiex_set_sys_config_invalid_data(bss_cfg
);
1416 if (params
->beacon_interval
)
1417 bss_cfg
->beacon_period
= params
->beacon_interval
;
1418 if (params
->dtim_period
)
1419 bss_cfg
->dtim_period
= params
->dtim_period
;
1421 if (params
->ssid
&& params
->ssid_len
) {
1422 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
1423 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
1426 switch (params
->hidden_ssid
) {
1427 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
1428 bss_cfg
->bcast_ssid_ctl
= 1;
1430 case NL80211_HIDDEN_SSID_ZERO_LEN
:
1431 bss_cfg
->bcast_ssid_ctl
= 0;
1433 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
1434 /* firmware doesn't support this type of hidden SSID */
1440 bss_cfg
->channel
= ieee80211_frequency_to_channel(
1441 params
->chandef
.chan
->center_freq
);
1443 /* Set appropriate bands */
1444 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1445 bss_cfg
->band_cfg
= BAND_CONFIG_BG
;
1446 config_bands
= BAND_B
| BAND_G
;
1448 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1449 config_bands
|= BAND_GN
;
1451 bss_cfg
->band_cfg
= BAND_CONFIG_A
;
1452 config_bands
= BAND_A
;
1454 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1455 config_bands
|= BAND_AN
;
1457 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_40
)
1458 config_bands
|= BAND_AAC
;
1461 if (!((config_bands
| priv
->adapter
->fw_bands
) &
1462 ~priv
->adapter
->fw_bands
))
1463 priv
->adapter
->config_bands
= config_bands
;
1465 mwifiex_set_uap_rates(bss_cfg
, params
);
1466 mwifiex_send_domain_info_cmd_fw(wiphy
);
1468 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
1470 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
1474 mwifiex_set_ht_params(priv
, bss_cfg
, params
);
1476 if (priv
->adapter
->is_hw_11ac_capable
) {
1477 mwifiex_set_vht_params(priv
, bss_cfg
, params
);
1478 mwifiex_set_vht_width(priv
, params
->chandef
.width
,
1479 priv
->ap_11ac_enabled
);
1482 if (priv
->ap_11ac_enabled
)
1483 mwifiex_set_11ac_ba_params(priv
);
1485 mwifiex_set_ba_params(priv
);
1487 mwifiex_set_wmm_params(priv
, bss_cfg
, params
);
1489 if (params
->inactivity_timeout
> 0) {
1490 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1491 bss_cfg
->sta_ao_timer
= 10 * params
->inactivity_timeout
;
1492 bss_cfg
->ps_sta_ao_timer
= 10 * params
->inactivity_timeout
;
1495 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1496 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1497 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1502 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
1503 HostCmd_ACT_GEN_SET
,
1504 UAP_BSS_PARAMS_I
, bss_cfg
, false)) {
1505 wiphy_err(wiphy
, "Failed to set the SSID\n");
1512 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
1513 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
1514 wiphy_err(wiphy
, "Failed to start the BSS\n");
1518 if (priv
->sec_info
.wep_enabled
)
1519 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1521 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1523 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MAC_CONTROL
,
1524 HostCmd_ACT_GEN_SET
, 0,
1525 &priv
->curr_pkt_filter
, true))
1532 * CFG802.11 operation handler for disconnection request.
1534 * This function does not work when there is already a disconnection
1535 * procedure going on.
1538 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1541 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1543 if (mwifiex_deauthenticate(priv
, NULL
))
1546 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1547 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1549 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1550 priv
->hs2_enabled
= false;
1556 * This function informs the CFG802.11 subsystem of a new IBSS.
1558 * The following information are sent to the CFG802.11 subsystem
1559 * to register the new IBSS. If we do not register the new IBSS,
1560 * a kernel panic will result.
1566 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1568 struct ieee80211_channel
*chan
;
1569 struct mwifiex_bss_info bss_info
;
1570 struct cfg80211_bss
*bss
;
1572 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1573 enum ieee80211_band band
;
1575 if (mwifiex_get_bss_info(priv
, &bss_info
))
1578 ie_buf
[0] = WLAN_EID_SSID
;
1579 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1581 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1582 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1583 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1585 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1586 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
1587 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1590 bss
= cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
1591 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1592 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1593 cfg80211_put_bss(priv
->wdev
->wiphy
, bss
);
1594 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1600 * This function connects with a BSS.
1602 * This function handles both Infra and Ad-Hoc modes. It also performs
1603 * validity checking on the provided parameters, disconnects from the
1604 * current BSS (if any), sets up the association/scan parameters,
1605 * including security settings, and performs specific SSID scan before
1606 * trying to connect.
1608 * For Infra mode, the function returns failure if the specified SSID
1609 * is not found in scan table. However, for Ad-Hoc mode, it can create
1610 * the IBSS if it does not exist. On successful completion in either case,
1611 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1614 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
,
1615 const u8
*ssid
, const u8
*bssid
, int mode
,
1616 struct ieee80211_channel
*channel
,
1617 struct cfg80211_connect_params
*sme
, bool privacy
)
1619 struct cfg80211_ssid req_ssid
;
1620 int ret
, auth_type
= 0;
1621 struct cfg80211_bss
*bss
= NULL
;
1622 u8 is_scanning_required
= 0;
1624 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1626 req_ssid
.ssid_len
= ssid_len
;
1627 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1628 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1632 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1633 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1634 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1638 /* disconnect before try to associate */
1639 mwifiex_deauthenticate(priv
, NULL
);
1641 /* As this is new association, clear locally stored
1642 * keys and security related flags */
1643 priv
->sec_info
.wpa_enabled
= false;
1644 priv
->sec_info
.wpa2_enabled
= false;
1645 priv
->wep_key_curr_index
= 0;
1646 priv
->sec_info
.encryption_mode
= 0;
1647 priv
->sec_info
.is_authtype_auto
= 0;
1648 ret
= mwifiex_set_encode(priv
, NULL
, NULL
, 0, 0, NULL
, 1);
1650 if (mode
== NL80211_IFTYPE_ADHOC
) {
1651 /* "privacy" is set only for ad-hoc mode */
1654 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1655 * the firmware can find a matching network from the
1656 * scan. The cfg80211 does not give us the encryption
1657 * mode at this stage so just setting it to WEP here.
1659 priv
->sec_info
.encryption_mode
=
1660 WLAN_CIPHER_SUITE_WEP104
;
1661 priv
->sec_info
.authentication_mode
=
1662 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1668 /* Now handle infra mode. "sme" is valid for infra mode only */
1669 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1670 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1671 priv
->sec_info
.is_authtype_auto
= 1;
1673 auth_type
= sme
->auth_type
;
1676 if (sme
->crypto
.n_ciphers_pairwise
) {
1677 priv
->sec_info
.encryption_mode
=
1678 sme
->crypto
.ciphers_pairwise
[0];
1679 priv
->sec_info
.authentication_mode
= auth_type
;
1682 if (sme
->crypto
.cipher_group
) {
1683 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1684 priv
->sec_info
.authentication_mode
= auth_type
;
1687 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1690 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1691 dev_dbg(priv
->adapter
->dev
,
1692 "info: setting wep encryption"
1693 " with key len %d\n", sme
->key_len
);
1694 priv
->wep_key_curr_index
= sme
->key_idx
;
1695 ret
= mwifiex_set_encode(priv
, NULL
, sme
->key
,
1696 sme
->key_len
, sme
->key_idx
,
1702 * Scan entries are valid for some time (15 sec). So we can save one
1703 * active scan time if we just try cfg80211_get_bss first. If it fails
1704 * then request scan and cfg80211_get_bss() again for final output.
1707 if (is_scanning_required
) {
1708 /* Do specific SSID scanning */
1709 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1710 dev_err(priv
->adapter
->dev
, "scan error\n");
1715 /* Find the BSS we want using available scan results */
1716 if (mode
== NL80211_IFTYPE_ADHOC
)
1717 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1718 bssid
, ssid
, ssid_len
,
1719 WLAN_CAPABILITY_IBSS
,
1720 WLAN_CAPABILITY_IBSS
);
1722 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1723 bssid
, ssid
, ssid_len
,
1724 WLAN_CAPABILITY_ESS
,
1725 WLAN_CAPABILITY_ESS
);
1728 if (is_scanning_required
) {
1729 dev_warn(priv
->adapter
->dev
,
1730 "assoc: requested bss not found in scan results\n");
1733 is_scanning_required
= 1;
1735 dev_dbg(priv
->adapter
->dev
,
1736 "info: trying to associate to '%s' bssid %pM\n",
1737 (char *) req_ssid
.ssid
, bss
->bssid
);
1738 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
1743 ret
= mwifiex_bss_start(priv
, bss
, &req_ssid
);
1747 if (mode
== NL80211_IFTYPE_ADHOC
) {
1748 /* Inform the BSS information to kernel, otherwise
1749 * kernel will give a panic after successful assoc */
1750 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1758 * CFG802.11 operation handler for association request.
1760 * This function does not work when the current mode is set to Ad-Hoc, or
1761 * when there is already an association procedure going on. The given BSS
1762 * information is used to associate.
1765 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1766 struct cfg80211_connect_params
*sme
)
1768 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1771 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
) {
1773 "%s: reject infra assoc request in non-STA role\n",
1778 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1779 (char *) sme
->ssid
, sme
->bssid
);
1781 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1782 priv
->bss_mode
, sme
->channel
, sme
, 0);
1784 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
1785 NULL
, 0, WLAN_STATUS_SUCCESS
,
1787 dev_dbg(priv
->adapter
->dev
,
1788 "info: associated to bssid %pM successfully\n",
1791 dev_dbg(priv
->adapter
->dev
,
1792 "info: association to bssid %pM failed\n",
1794 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1797 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1798 NULL
, 0, NULL
, 0, ret
,
1801 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1803 WLAN_STATUS_UNSPECIFIED_FAILURE
,
1811 * This function sets following parameters for ibss network.
1815 * - secondary channel offset
1817 static int mwifiex_set_ibss_params(struct mwifiex_private
*priv
,
1818 struct cfg80211_ibss_params
*params
)
1820 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
1821 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1823 u8 config_bands
= 0;
1825 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1826 if (!params
->basic_rates
) {
1827 config_bands
= BAND_B
| BAND_G
;
1829 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
1831 * Rates below 6 Mbps in the table are CCK
1832 * rates; 802.11b and from 6 they are OFDM;
1835 if (mwifiex_rates
[i
].bitrate
== 60) {
1841 if (params
->basic_rates
< index
) {
1842 config_bands
= BAND_B
;
1844 config_bands
= BAND_G
;
1845 if (params
->basic_rates
% index
)
1846 config_bands
|= BAND_B
;
1850 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
1852 config_bands
|= BAND_G
| BAND_GN
;
1854 if (cfg80211_get_chandef_type(¶ms
->chandef
) ==
1856 config_bands
= BAND_A
;
1858 config_bands
= BAND_AN
| BAND_A
;
1861 if (!((config_bands
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
1862 adapter
->config_bands
= config_bands
;
1863 adapter
->adhoc_start_band
= config_bands
;
1865 if ((config_bands
& BAND_GN
) || (config_bands
& BAND_AN
))
1866 adapter
->adhoc_11n_enabled
= true;
1868 adapter
->adhoc_11n_enabled
= false;
1871 adapter
->sec_chan_offset
=
1872 mwifiex_chan_type_to_sec_chan_offset(
1873 cfg80211_get_chandef_type(¶ms
->chandef
));
1874 priv
->adhoc_channel
= ieee80211_frequency_to_channel(
1875 params
->chandef
.chan
->center_freq
);
1877 wiphy_dbg(wiphy
, "info: set ibss band %d, chan %d, chan offset %d\n",
1878 config_bands
, priv
->adhoc_channel
, adapter
->sec_chan_offset
);
1884 * CFG802.11 operation handler to join an IBSS.
1886 * This function does not work in any mode other than Ad-Hoc, or if
1887 * a join operation is already in progress.
1890 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1891 struct cfg80211_ibss_params
*params
)
1893 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1896 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1897 wiphy_err(wiphy
, "request to join ibss received "
1898 "when station is not in ibss mode\n");
1902 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1903 (char *) params
->ssid
, params
->bssid
);
1905 mwifiex_set_ibss_params(priv
, params
);
1907 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1908 params
->bssid
, priv
->bss_mode
,
1909 params
->chandef
.chan
, NULL
,
1913 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
,
1914 params
->chandef
.chan
, GFP_KERNEL
);
1915 dev_dbg(priv
->adapter
->dev
,
1916 "info: joined/created adhoc network with bssid"
1917 " %pM successfully\n", priv
->cfg_bssid
);
1919 dev_dbg(priv
->adapter
->dev
,
1920 "info: failed creating/joining adhoc network\n");
1927 * CFG802.11 operation handler to leave an IBSS.
1929 * This function does not work if a leave operation is
1930 * already in progress.
1933 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1935 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1937 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1939 if (mwifiex_deauthenticate(priv
, NULL
))
1942 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1948 * CFG802.11 operation handler for scan request.
1950 * This function issues a scan request to the firmware based upon
1951 * the user specified scan configuration. On successfull completion,
1952 * it also informs the results.
1955 mwifiex_cfg80211_scan(struct wiphy
*wiphy
,
1956 struct cfg80211_scan_request
*request
)
1958 struct net_device
*dev
= request
->wdev
->netdev
;
1959 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1961 struct ieee80211_channel
*chan
;
1962 struct ieee_types_header
*ie
;
1963 struct mwifiex_user_scan_cfg
*user_scan_cfg
;
1965 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1967 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
1968 atomic_read(&priv
->wmm
.tx_pkts_queued
) >=
1969 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN
) {
1970 dev_dbg(priv
->adapter
->dev
, "scan rejected due to traffic\n");
1974 /* Block scan request if scan operation or scan cleanup when interface
1975 * is disabled is in process
1977 if (priv
->scan_request
|| priv
->scan_aborting
) {
1978 dev_err(priv
->adapter
->dev
, "cmd: Scan already in process..\n");
1982 user_scan_cfg
= kzalloc(sizeof(*user_scan_cfg
), GFP_KERNEL
);
1986 priv
->scan_request
= request
;
1988 user_scan_cfg
->num_ssids
= request
->n_ssids
;
1989 user_scan_cfg
->ssid_list
= request
->ssids
;
1991 if (request
->ie
&& request
->ie_len
) {
1993 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1994 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
1996 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
1997 ie
= (struct ieee_types_header
*)(request
->ie
+ offset
);
1998 memcpy(&priv
->vs_ie
[i
].ie
, ie
, sizeof(*ie
) + ie
->len
);
1999 offset
+= sizeof(*ie
) + ie
->len
;
2001 if (offset
>= request
->ie_len
)
2006 for (i
= 0; i
< min_t(u32
, request
->n_channels
,
2007 MWIFIEX_USER_SCAN_CHAN_MAX
); i
++) {
2008 chan
= request
->channels
[i
];
2009 user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
2010 user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
2012 if (chan
->flags
& IEEE80211_CHAN_NO_IR
)
2013 user_scan_cfg
->chan_list
[i
].scan_type
=
2014 MWIFIEX_SCAN_TYPE_PASSIVE
;
2016 user_scan_cfg
->chan_list
[i
].scan_type
=
2017 MWIFIEX_SCAN_TYPE_ACTIVE
;
2019 user_scan_cfg
->chan_list
[i
].scan_time
= 0;
2022 ret
= mwifiex_scan_networks(priv
, user_scan_cfg
);
2023 kfree(user_scan_cfg
);
2025 dev_err(priv
->adapter
->dev
, "scan failed: %d\n", ret
);
2026 priv
->scan_aborting
= false;
2027 priv
->scan_request
= NULL
;
2031 if (request
->ie
&& request
->ie_len
) {
2032 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
2033 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
2034 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
2035 memset(&priv
->vs_ie
[i
].ie
, 0,
2036 MWIFIEX_MAX_VSIE_LEN
);
2043 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap
*vht_info
,
2044 struct mwifiex_private
*priv
)
2046 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2048 vht_info
->vht_supported
= true;
2050 vht_info
->cap
= adapter
->hw_dot_11ac_dev_cap
;
2051 /* Update MCS support for VHT */
2052 vht_info
->vht_mcs
.rx_mcs_map
= cpu_to_le16(
2053 adapter
->hw_dot_11ac_mcs_support
& 0xFFFF);
2054 vht_info
->vht_mcs
.rx_highest
= 0;
2055 vht_info
->vht_mcs
.tx_mcs_map
= cpu_to_le16(
2056 adapter
->hw_dot_11ac_mcs_support
>> 16);
2057 vht_info
->vht_mcs
.tx_highest
= 0;
2061 * This function sets up the CFG802.11 specific HT capability fields
2062 * with default values.
2064 * The following default values are set -
2065 * - HT Supported = True
2066 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2067 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2068 * - HT Capabilities supported by firmware
2069 * - MCS information, Rx mask = 0xff
2070 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2073 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
2074 struct mwifiex_private
*priv
)
2077 struct ieee80211_mcs_info mcs_set
;
2078 u8
*mcs
= (u8
*)&mcs_set
;
2079 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2081 ht_info
->ht_supported
= true;
2082 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
2083 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
2085 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
2087 /* Fill HT capability information */
2088 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2089 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2091 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2093 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
2094 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
2096 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
2098 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
2099 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
2101 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
2103 if (adapter
->user_dev_mcs_support
== HT_STREAM_2X2
)
2104 ht_info
->cap
|= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2106 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2108 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
2109 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
2111 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
2113 if (ISSUPP_GREENFIELD(adapter
->hw_dot_11n_dev_cap
))
2114 ht_info
->cap
|= IEEE80211_HT_CAP_GRN_FLD
;
2116 ht_info
->cap
&= ~IEEE80211_HT_CAP_GRN_FLD
;
2118 if (ISENABLED_40MHZ_INTOLERANT(adapter
->hw_dot_11n_dev_cap
))
2119 ht_info
->cap
|= IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2121 ht_info
->cap
&= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2123 if (ISSUPP_RXLDPC(adapter
->hw_dot_11n_dev_cap
))
2124 ht_info
->cap
|= IEEE80211_HT_CAP_LDPC_CODING
;
2126 ht_info
->cap
&= ~IEEE80211_HT_CAP_LDPC_CODING
;
2128 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
2129 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
2131 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
2132 /* Set MCS for 1x1/2x2 */
2133 memset(mcs
, 0xff, rx_mcs_supp
);
2134 /* Clear all the other values */
2135 memset(&mcs
[rx_mcs_supp
], 0,
2136 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
2137 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
2138 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2139 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2140 SETHT_MCS32(mcs_set
.rx_mask
);
2142 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
2144 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
2148 * create a new virtual interface with the given name
2150 struct wireless_dev
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
2152 enum nl80211_iftype type
,
2154 struct vif_params
*params
)
2156 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2157 struct mwifiex_private
*priv
;
2158 struct net_device
*dev
;
2160 struct wireless_dev
*wdev
;
2163 return ERR_PTR(-EFAULT
);
2166 case NL80211_IFTYPE_UNSPECIFIED
:
2167 case NL80211_IFTYPE_STATION
:
2168 case NL80211_IFTYPE_ADHOC
:
2169 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2170 if (priv
->bss_mode
) {
2172 "cannot create multiple sta/adhoc ifaces\n");
2173 return ERR_PTR(-EINVAL
);
2176 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2178 return ERR_PTR(-ENOMEM
);
2180 wdev
->wiphy
= wiphy
;
2182 wdev
->iftype
= NL80211_IFTYPE_STATION
;
2184 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
2185 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
2187 priv
->bss_mode
= type
;
2189 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
2190 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2191 priv
->bss_priority
= 0;
2192 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2196 case NL80211_IFTYPE_AP
:
2197 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_UAP
];
2199 if (priv
->bss_mode
) {
2200 wiphy_err(wiphy
, "Can't create multiple AP interfaces");
2201 return ERR_PTR(-EINVAL
);
2204 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2206 return ERR_PTR(-ENOMEM
);
2209 wdev
->wiphy
= wiphy
;
2210 wdev
->iftype
= NL80211_IFTYPE_AP
;
2212 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
2213 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2214 priv
->bss_priority
= 0;
2215 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
2216 priv
->bss_started
= 0;
2218 priv
->bss_mode
= type
;
2221 case NL80211_IFTYPE_P2P_CLIENT
:
2222 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_P2P
];
2224 if (priv
->bss_mode
) {
2225 wiphy_err(wiphy
, "Can't create multiple P2P ifaces");
2226 return ERR_PTR(-EINVAL
);
2229 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2231 return ERR_PTR(-ENOMEM
);
2234 wdev
->wiphy
= wiphy
;
2236 /* At start-up, wpa_supplicant tries to change the interface
2237 * to NL80211_IFTYPE_STATION if it is not managed mode.
2239 wdev
->iftype
= NL80211_IFTYPE_P2P_CLIENT
;
2240 priv
->bss_mode
= NL80211_IFTYPE_P2P_CLIENT
;
2242 /* Setting bss_type to P2P tells firmware that this interface
2243 * is receiving P2P peers found during find phase and doing
2244 * action frame handshake.
2246 priv
->bss_type
= MWIFIEX_BSS_TYPE_P2P
;
2248 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2249 priv
->bss_priority
= MWIFIEX_BSS_ROLE_STA
;
2250 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2251 priv
->bss_started
= 0;
2254 if (mwifiex_cfg80211_init_p2p_client(priv
)) {
2255 wdev
= ERR_PTR(-EFAULT
);
2261 wiphy_err(wiphy
, "type not supported\n");
2262 return ERR_PTR(-EINVAL
);
2265 dev
= alloc_netdev_mqs(sizeof(struct mwifiex_private
*), name
,
2266 ether_setup
, IEEE80211_NUM_ACS
, 1);
2268 wiphy_err(wiphy
, "no memory available for netdevice\n");
2269 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2270 wdev
= ERR_PTR(-ENOMEM
);
2274 mwifiex_init_priv_params(priv
, dev
);
2277 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
2278 if (adapter
->is_hw_11ac_capable
)
2279 mwifiex_setup_vht_caps(
2280 &wiphy
->bands
[IEEE80211_BAND_2GHZ
]->vht_cap
, priv
);
2282 if (adapter
->config_bands
& BAND_A
)
2283 mwifiex_setup_ht_caps(
2284 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
2286 if ((adapter
->config_bands
& BAND_A
) && adapter
->is_hw_11ac_capable
)
2287 mwifiex_setup_vht_caps(
2288 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->vht_cap
, priv
);
2290 dev_net_set(dev
, wiphy_net(wiphy
));
2291 dev
->ieee80211_ptr
= priv
->wdev
;
2292 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
2293 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
2294 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
2296 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
2297 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
2298 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
2299 dev
->ethtool_ops
= &mwifiex_ethtool_ops
;
2301 mdev_priv
= netdev_priv(dev
);
2302 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
2304 SET_NETDEV_DEV(dev
, adapter
->dev
);
2306 /* Register network device */
2307 if (register_netdevice(dev
)) {
2308 wiphy_err(wiphy
, "cannot register virtual network device\n");
2310 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2311 priv
->netdev
= NULL
;
2312 wdev
= ERR_PTR(-EFAULT
);
2316 sema_init(&priv
->async_sem
, 1);
2318 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
2320 #ifdef CONFIG_DEBUG_FS
2321 mwifiex_dev_debugfs_init(priv
);
2332 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
2335 * del_virtual_intf: remove the virtual interface determined by dev
2337 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2339 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
2341 #ifdef CONFIG_DEBUG_FS
2342 mwifiex_dev_debugfs_remove(priv
);
2345 mwifiex_stop_net_dev_queue(priv
->netdev
, priv
->adapter
);
2347 if (netif_carrier_ok(priv
->netdev
))
2348 netif_carrier_off(priv
->netdev
);
2350 if (wdev
->netdev
->reg_state
== NETREG_REGISTERED
)
2351 unregister_netdevice(wdev
->netdev
);
2353 /* Clear the priv in adapter */
2354 priv
->netdev
->ieee80211_ptr
= NULL
;
2355 priv
->netdev
= NULL
;
2359 priv
->media_connected
= false;
2361 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2365 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
2368 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern
*pat
, s8
*byte_seq
,
2371 int j
, k
, valid_byte_cnt
= 0;
2372 bool dont_care_byte
= false;
2374 for (j
= 0; j
< DIV_ROUND_UP(pat
->pattern_len
, 8); j
++) {
2375 for (k
= 0; k
< 8; k
++) {
2376 if (pat
->mask
[j
] & 1 << k
) {
2377 memcpy(byte_seq
+ valid_byte_cnt
,
2378 &pat
->pattern
[j
* 8 + k
], 1);
2384 dont_care_byte
= true;
2387 if (valid_byte_cnt
> max_byte_seq
)
2392 byte_seq
[max_byte_seq
] = valid_byte_cnt
;
2398 static int mwifiex_cfg80211_suspend(struct wiphy
*wiphy
,
2399 struct cfg80211_wowlan
*wowlan
)
2401 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2402 struct mwifiex_ds_mef_cfg mef_cfg
;
2403 struct mwifiex_mef_entry
*mef_entry
;
2404 int i
, filt_num
= 0, ret
;
2405 bool first_pat
= true;
2406 u8 byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
+ 1];
2407 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2408 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2409 struct mwifiex_private
*priv
=
2410 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2413 dev_warn(adapter
->dev
, "None of the WOWLAN triggers enabled\n");
2417 if (!priv
->media_connected
) {
2418 dev_warn(adapter
->dev
,
2419 "Can not configure WOWLAN in disconnected state\n");
2423 mef_entry
= kzalloc(sizeof(*mef_entry
), GFP_KERNEL
);
2427 memset(&mef_cfg
, 0, sizeof(mef_cfg
));
2428 mef_cfg
.num_entries
= 1;
2429 mef_cfg
.mef_entry
= mef_entry
;
2430 mef_entry
->mode
= MEF_MODE_HOST_SLEEP
;
2431 mef_entry
->action
= MEF_ACTION_ALLOW_AND_WAKEUP_HOST
;
2433 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
2434 memset(byte_seq
, 0, sizeof(byte_seq
));
2435 if (!mwifiex_is_pattern_supported(&wowlan
->patterns
[i
],
2437 MWIFIEX_MEF_MAX_BYTESEQ
)) {
2438 wiphy_err(wiphy
, "Pattern not supported\n");
2443 if (!wowlan
->patterns
[i
].pkt_offset
) {
2444 if (!(byte_seq
[0] & 0x01) &&
2445 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 1)) {
2446 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2448 } else if (is_broadcast_ether_addr(byte_seq
)) {
2449 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_BROADCAST
;
2451 } else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2452 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 2)) ||
2453 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2454 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 3))) {
2455 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_MULTICAST
;
2460 mef_entry
->filter
[filt_num
].repeat
= 1;
2461 mef_entry
->filter
[filt_num
].offset
=
2462 wowlan
->patterns
[i
].pkt_offset
;
2463 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, byte_seq
,
2465 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2470 mef_entry
->filter
[filt_num
].filt_action
= TYPE_AND
;
2475 if (wowlan
->magic_pkt
) {
2476 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2477 mef_entry
->filter
[filt_num
].repeat
= 16;
2478 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2480 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2482 mef_entry
->filter
[filt_num
].offset
= 28;
2483 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2485 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2488 if (!mef_cfg
.criteria
)
2489 mef_cfg
.criteria
= MWIFIEX_CRITERIA_BROADCAST
|
2490 MWIFIEX_CRITERIA_UNICAST
|
2491 MWIFIEX_CRITERIA_MULTICAST
;
2493 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_MEF_CFG
,
2494 HostCmd_ACT_GEN_SET
, 0, &mef_cfg
, true);
2500 static int mwifiex_cfg80211_resume(struct wiphy
*wiphy
)
2505 static void mwifiex_cfg80211_set_wakeup(struct wiphy
*wiphy
,
2508 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2510 device_set_wakeup_enable(adapter
->dev
, enabled
);
2514 static int mwifiex_get_coalesce_pkt_type(u8
*byte_seq
)
2516 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2517 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2518 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff};
2520 if ((byte_seq
[0] & 0x01) &&
2521 (byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 1))
2522 return PACKET_TYPE_UNICAST
;
2523 else if (!memcmp(byte_seq
, bc_mac
, 4))
2524 return PACKET_TYPE_BROADCAST
;
2525 else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2526 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 2) ||
2527 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2528 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 3))
2529 return PACKET_TYPE_MULTICAST
;
2535 mwifiex_fill_coalesce_rule_info(struct mwifiex_private
*priv
,
2536 struct cfg80211_coalesce_rules
*crule
,
2537 struct mwifiex_coalesce_rule
*mrule
)
2539 u8 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
+ 1];
2540 struct filt_field_param
*param
;
2543 mrule
->max_coalescing_delay
= crule
->delay
;
2545 param
= mrule
->params
;
2547 for (i
= 0; i
< crule
->n_patterns
; i
++) {
2548 memset(byte_seq
, 0, sizeof(byte_seq
));
2549 if (!mwifiex_is_pattern_supported(&crule
->patterns
[i
],
2551 MWIFIEX_COALESCE_MAX_BYTESEQ
)) {
2552 dev_err(priv
->adapter
->dev
, "Pattern not supported\n");
2556 if (!crule
->patterns
[i
].pkt_offset
) {
2559 pkt_type
= mwifiex_get_coalesce_pkt_type(byte_seq
);
2560 if (pkt_type
&& mrule
->pkt_type
) {
2561 dev_err(priv
->adapter
->dev
,
2562 "Multiple packet types not allowed\n");
2564 } else if (pkt_type
) {
2565 mrule
->pkt_type
= pkt_type
;
2570 if (crule
->condition
== NL80211_COALESCE_CONDITION_MATCH
)
2571 param
->operation
= RECV_FILTER_MATCH_TYPE_EQ
;
2573 param
->operation
= RECV_FILTER_MATCH_TYPE_NE
;
2575 param
->operand_len
= byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
];
2576 memcpy(param
->operand_byte_stream
, byte_seq
,
2577 param
->operand_len
);
2578 param
->offset
= crule
->patterns
[i
].pkt_offset
;
2581 mrule
->num_of_fields
++;
2584 if (!mrule
->pkt_type
) {
2585 dev_err(priv
->adapter
->dev
,
2586 "Packet type can not be determined\n");
2593 static int mwifiex_cfg80211_set_coalesce(struct wiphy
*wiphy
,
2594 struct cfg80211_coalesce
*coalesce
)
2596 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2598 struct mwifiex_ds_coalesce_cfg coalesce_cfg
;
2599 struct mwifiex_private
*priv
=
2600 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2602 memset(&coalesce_cfg
, 0, sizeof(coalesce_cfg
));
2604 dev_dbg(adapter
->dev
,
2605 "Disable coalesce and reset all previous rules\n");
2606 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2607 HostCmd_ACT_GEN_SET
, 0,
2608 &coalesce_cfg
, true);
2611 coalesce_cfg
.num_of_rules
= coalesce
->n_rules
;
2612 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
2613 ret
= mwifiex_fill_coalesce_rule_info(priv
, &coalesce
->rules
[i
],
2614 &coalesce_cfg
.rule
[i
]);
2616 dev_err(priv
->adapter
->dev
,
2617 "Recheck the patterns provided for rule %d\n",
2623 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2624 HostCmd_ACT_GEN_SET
, 0, &coalesce_cfg
, true);
2627 /* cfg80211 ops handler for tdls_mgmt.
2628 * Function prepares TDLS action frame packets and forwards them to FW
2631 mwifiex_cfg80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2632 u8
*peer
, u8 action_code
, u8 dialog_token
,
2633 u16 status_code
, u32 peer_capability
,
2634 const u8
*extra_ies
, size_t extra_ies_len
)
2636 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2639 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2642 /* make sure we are in station mode and connected */
2643 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2646 switch (action_code
) {
2647 case WLAN_TDLS_SETUP_REQUEST
:
2648 dev_dbg(priv
->adapter
->dev
,
2649 "Send TDLS Setup Request to %pM status_code=%d\n", peer
,
2651 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2652 dialog_token
, status_code
,
2653 extra_ies
, extra_ies_len
);
2655 case WLAN_TDLS_SETUP_RESPONSE
:
2656 dev_dbg(priv
->adapter
->dev
,
2657 "Send TDLS Setup Response to %pM status_code=%d\n",
2659 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2660 dialog_token
, status_code
,
2661 extra_ies
, extra_ies_len
);
2663 case WLAN_TDLS_SETUP_CONFIRM
:
2664 dev_dbg(priv
->adapter
->dev
,
2665 "Send TDLS Confirm to %pM status_code=%d\n", peer
,
2667 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2668 dialog_token
, status_code
,
2669 extra_ies
, extra_ies_len
);
2671 case WLAN_TDLS_TEARDOWN
:
2672 dev_dbg(priv
->adapter
->dev
, "Send TDLS Tear down to %pM\n",
2674 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2675 dialog_token
, status_code
,
2676 extra_ies
, extra_ies_len
);
2678 case WLAN_TDLS_DISCOVERY_REQUEST
:
2679 dev_dbg(priv
->adapter
->dev
,
2680 "Send TDLS Discovery Request to %pM\n", peer
);
2681 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2682 dialog_token
, status_code
,
2683 extra_ies
, extra_ies_len
);
2685 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2686 dev_dbg(priv
->adapter
->dev
,
2687 "Send TDLS Discovery Response to %pM\n", peer
);
2688 ret
= mwifiex_send_tdls_action_frame(priv
, peer
, action_code
,
2689 dialog_token
, status_code
,
2690 extra_ies
, extra_ies_len
);
2693 dev_warn(priv
->adapter
->dev
,
2694 "Unknown TDLS mgmt/action frame %pM\n", peer
);
2703 mwifiex_cfg80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2704 u8
*peer
, enum nl80211_tdls_operation action
)
2706 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2708 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
2709 !(wiphy
->flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
2712 /* make sure we are in station mode and connected */
2713 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2716 dev_dbg(priv
->adapter
->dev
,
2717 "TDLS peer=%pM, oper=%d\n", peer
, action
);
2720 case NL80211_TDLS_ENABLE_LINK
:
2721 action
= MWIFIEX_TDLS_ENABLE_LINK
;
2723 case NL80211_TDLS_DISABLE_LINK
:
2724 action
= MWIFIEX_TDLS_DISABLE_LINK
;
2726 case NL80211_TDLS_TEARDOWN
:
2727 /* shouldn't happen!*/
2728 dev_warn(priv
->adapter
->dev
,
2729 "tdls_oper: teardown from driver not supported\n");
2731 case NL80211_TDLS_SETUP
:
2732 /* shouldn't happen!*/
2733 dev_warn(priv
->adapter
->dev
,
2734 "tdls_oper: setup from driver not supported\n");
2736 case NL80211_TDLS_DISCOVERY_REQ
:
2737 /* shouldn't happen!*/
2738 dev_warn(priv
->adapter
->dev
,
2739 "tdls_oper: discovery from driver not supported\n");
2742 dev_err(priv
->adapter
->dev
,
2743 "tdls_oper: operation not supported\n");
2747 return mwifiex_tdls_oper(priv
, peer
, action
);
2751 mwifiex_cfg80211_add_station(struct wiphy
*wiphy
,
2752 struct net_device
*dev
,
2753 u8
*mac
, struct station_parameters
*params
)
2755 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2757 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
2760 /* make sure we are in station mode and connected */
2761 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
2764 return mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CREATE_LINK
);
2768 mwifiex_cfg80211_change_station(struct wiphy
*wiphy
,
2769 struct net_device
*dev
,
2770 u8
*mac
, struct station_parameters
*params
)
2773 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2775 /* we support change_station handler only for TDLS peers*/
2776 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
2779 /* make sure we are in station mode and connected */
2780 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
2783 priv
->sta_params
= params
;
2785 ret
= mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CONFIG_LINK
);
2786 priv
->sta_params
= NULL
;
2791 /* station cfg80211 operations */
2792 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
2793 .add_virtual_intf
= mwifiex_add_virtual_intf
,
2794 .del_virtual_intf
= mwifiex_del_virtual_intf
,
2795 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
2796 .scan
= mwifiex_cfg80211_scan
,
2797 .connect
= mwifiex_cfg80211_connect
,
2798 .disconnect
= mwifiex_cfg80211_disconnect
,
2799 .get_station
= mwifiex_cfg80211_get_station
,
2800 .dump_station
= mwifiex_cfg80211_dump_station
,
2801 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
2802 .join_ibss
= mwifiex_cfg80211_join_ibss
,
2803 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
2804 .add_key
= mwifiex_cfg80211_add_key
,
2805 .del_key
= mwifiex_cfg80211_del_key
,
2806 .mgmt_tx
= mwifiex_cfg80211_mgmt_tx
,
2807 .mgmt_frame_register
= mwifiex_cfg80211_mgmt_frame_register
,
2808 .remain_on_channel
= mwifiex_cfg80211_remain_on_channel
,
2809 .cancel_remain_on_channel
= mwifiex_cfg80211_cancel_remain_on_channel
,
2810 .set_default_key
= mwifiex_cfg80211_set_default_key
,
2811 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
2812 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
2813 .set_bitrate_mask
= mwifiex_cfg80211_set_bitrate_mask
,
2814 .start_ap
= mwifiex_cfg80211_start_ap
,
2815 .stop_ap
= mwifiex_cfg80211_stop_ap
,
2816 .change_beacon
= mwifiex_cfg80211_change_beacon
,
2817 .set_cqm_rssi_config
= mwifiex_cfg80211_set_cqm_rssi_config
,
2818 .set_antenna
= mwifiex_cfg80211_set_antenna
,
2819 .del_station
= mwifiex_cfg80211_del_station
,
2821 .suspend
= mwifiex_cfg80211_suspend
,
2822 .resume
= mwifiex_cfg80211_resume
,
2823 .set_wakeup
= mwifiex_cfg80211_set_wakeup
,
2825 .set_coalesce
= mwifiex_cfg80211_set_coalesce
,
2826 .tdls_mgmt
= mwifiex_cfg80211_tdls_mgmt
,
2827 .tdls_oper
= mwifiex_cfg80211_tdls_oper
,
2828 .add_station
= mwifiex_cfg80211_add_station
,
2829 .change_station
= mwifiex_cfg80211_change_station
,
2833 static const struct wiphy_wowlan_support mwifiex_wowlan_support
= {
2834 .flags
= WIPHY_WOWLAN_MAGIC_PKT
,
2835 .n_patterns
= MWIFIEX_MEF_MAX_FILTERS
,
2836 .pattern_min_len
= 1,
2837 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
2838 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
2842 static bool mwifiex_is_valid_alpha2(const char *alpha2
)
2844 if (!alpha2
|| strlen(alpha2
) != 2)
2847 if (isalpha(alpha2
[0]) && isalpha(alpha2
[1]))
2853 static const struct wiphy_coalesce_support mwifiex_coalesce_support
= {
2854 .n_rules
= MWIFIEX_COALESCE_MAX_RULES
,
2855 .max_delay
= MWIFIEX_MAX_COALESCING_DELAY
,
2856 .n_patterns
= MWIFIEX_COALESCE_MAX_FILTERS
,
2857 .pattern_min_len
= 1,
2858 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
2859 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
2863 * This function registers the device with CFG802.11 subsystem.
2865 * The function creates the wireless device/wiphy, populates it with
2866 * default parameters and handler function pointers, and finally
2867 * registers the device.
2870 int mwifiex_register_cfg80211(struct mwifiex_adapter
*adapter
)
2874 struct wiphy
*wiphy
;
2875 struct mwifiex_private
*priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2879 /* create a new wiphy for use with cfg80211 */
2880 wiphy
= wiphy_new(&mwifiex_cfg80211_ops
,
2881 sizeof(struct mwifiex_adapter
*));
2883 dev_err(adapter
->dev
, "%s: creating new wiphy\n", __func__
);
2886 wiphy
->max_scan_ssids
= MWIFIEX_MAX_SSID_LIST_LENGTH
;
2887 wiphy
->max_scan_ie_len
= MWIFIEX_MAX_VSIE_LEN
;
2888 wiphy
->mgmt_stypes
= mwifiex_mgmt_stypes
;
2889 wiphy
->max_remain_on_channel_duration
= 5000;
2890 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
2891 BIT(NL80211_IFTYPE_ADHOC
) |
2892 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
2893 BIT(NL80211_IFTYPE_P2P_GO
) |
2894 BIT(NL80211_IFTYPE_AP
);
2896 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
2897 if (adapter
->config_bands
& BAND_A
)
2898 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
2900 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
2902 wiphy
->iface_combinations
= &mwifiex_iface_comb_ap_sta
;
2903 wiphy
->n_iface_combinations
= 1;
2905 /* Initialize cipher suits */
2906 wiphy
->cipher_suites
= mwifiex_cipher_suites
;
2907 wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
2909 memcpy(wiphy
->perm_addr
, priv
->curr_addr
, ETH_ALEN
);
2910 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
2911 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
|
2912 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
|
2913 WIPHY_FLAG_AP_UAPSD
|
2914 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
;
2916 if (ISSUPP_TDLS_ENABLED(adapter
->fw_cap_info
))
2917 wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
|
2918 WIPHY_FLAG_TDLS_EXTERNAL_SETUP
;
2920 wiphy
->regulatory_flags
|=
2921 REGULATORY_CUSTOM_REG
|
2922 REGULATORY_STRICT_REG
;
2924 wiphy_apply_custom_regulatory(wiphy
, &mwifiex_world_regdom_custom
);
2927 wiphy
->wowlan
= &mwifiex_wowlan_support
;
2930 wiphy
->coalesce
= &mwifiex_coalesce_support
;
2932 wiphy
->probe_resp_offload
= NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
2933 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
2934 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
2936 wiphy
->available_antennas_tx
= BIT(adapter
->number_of_antenna
) - 1;
2937 wiphy
->available_antennas_rx
= BIT(adapter
->number_of_antenna
) - 1;
2939 wiphy
->features
|= NL80211_FEATURE_HT_IBSS
|
2940 NL80211_FEATURE_INACTIVITY_TIMER
|
2941 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
2942 NL80211_FEATURE_NEED_OBSS_SCAN
;
2944 /* Reserve space for mwifiex specific private data for BSS */
2945 wiphy
->bss_priv_size
= sizeof(struct mwifiex_bss_priv
);
2947 wiphy
->reg_notifier
= mwifiex_reg_notifier
;
2949 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2950 wdev_priv
= wiphy_priv(wiphy
);
2951 *(unsigned long *)wdev_priv
= (unsigned long)adapter
;
2953 set_wiphy_dev(wiphy
, priv
->adapter
->dev
);
2955 ret
= wiphy_register(wiphy
);
2957 dev_err(adapter
->dev
,
2958 "%s: wiphy_register failed: %d\n", __func__
, ret
);
2963 if (reg_alpha2
&& mwifiex_is_valid_alpha2(reg_alpha2
)) {
2964 wiphy_info(wiphy
, "driver hint alpha2: %2.2s\n", reg_alpha2
);
2965 regulatory_hint(wiphy
, reg_alpha2
);
2967 country_code
= mwifiex_11d_code_2_region(adapter
->region_code
);
2969 wiphy_info(wiphy
, "ignoring F/W country code %2.2s\n",
2973 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2974 HostCmd_ACT_GEN_GET
, FRAG_THRESH_I
, &thr
, true);
2975 wiphy
->frag_threshold
= thr
;
2976 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2977 HostCmd_ACT_GEN_GET
, RTS_THRESH_I
, &thr
, true);
2978 wiphy
->rts_threshold
= thr
;
2979 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2980 HostCmd_ACT_GEN_GET
, SHORT_RETRY_LIM_I
, &retry
, true);
2981 wiphy
->retry_short
= (u8
) retry
;
2982 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2983 HostCmd_ACT_GEN_GET
, LONG_RETRY_LIM_I
, &retry
, true);
2984 wiphy
->retry_long
= (u8
) retry
;
2986 adapter
->wiphy
= wiphy
;