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 memset(tx_info
, 0, sizeof(*tx_info
));
224 tx_info
->bss_num
= priv
->bss_num
;
225 tx_info
->bss_type
= priv
->bss_type
;
226 tx_info
->pkt_len
= pkt_len
;
228 mwifiex_form_mgmt_frame(skb
, buf
, len
);
229 mwifiex_queue_tx_pkt(priv
, skb
);
231 *cookie
= prandom_u32() | 1;
232 cfg80211_mgmt_tx_status(wdev
, *cookie
, buf
, len
, true, GFP_ATOMIC
);
234 wiphy_dbg(wiphy
, "info: management frame transmitted\n");
239 * CFG802.11 operation handler to register a mgmt frame.
242 mwifiex_cfg80211_mgmt_frame_register(struct wiphy
*wiphy
,
243 struct wireless_dev
*wdev
,
244 u16 frame_type
, bool reg
)
246 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
250 mask
= priv
->mgmt_frame_mask
| BIT(frame_type
>> 4);
252 mask
= priv
->mgmt_frame_mask
& ~BIT(frame_type
>> 4);
254 if (mask
!= priv
->mgmt_frame_mask
) {
255 priv
->mgmt_frame_mask
= mask
;
256 mwifiex_send_cmd(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
257 HostCmd_ACT_GEN_SET
, 0,
258 &priv
->mgmt_frame_mask
, false);
259 wiphy_dbg(wiphy
, "info: mgmt frame registered\n");
264 * CFG802.11 operation handler to remain on channel.
267 mwifiex_cfg80211_remain_on_channel(struct wiphy
*wiphy
,
268 struct wireless_dev
*wdev
,
269 struct ieee80211_channel
*chan
,
270 unsigned int duration
, u64
*cookie
)
272 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
275 if (!chan
|| !cookie
) {
276 wiphy_err(wiphy
, "Invalid parameter for ROC\n");
280 if (priv
->roc_cfg
.cookie
) {
281 wiphy_dbg(wiphy
, "info: ongoing ROC, cookie = 0x%llu\n",
282 priv
->roc_cfg
.cookie
);
286 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_SET
, chan
,
290 *cookie
= prandom_u32() | 1;
291 priv
->roc_cfg
.cookie
= *cookie
;
292 priv
->roc_cfg
.chan
= *chan
;
294 cfg80211_ready_on_channel(wdev
, *cookie
, chan
,
295 duration
, GFP_ATOMIC
);
297 wiphy_dbg(wiphy
, "info: ROC, cookie = 0x%llx\n", *cookie
);
304 * CFG802.11 operation handler to cancel remain on channel.
307 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
308 struct wireless_dev
*wdev
, u64 cookie
)
310 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
313 if (cookie
!= priv
->roc_cfg
.cookie
)
316 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_REMOVE
,
317 &priv
->roc_cfg
.chan
, 0);
320 cfg80211_remain_on_channel_expired(wdev
, cookie
,
324 memset(&priv
->roc_cfg
, 0, sizeof(struct mwifiex_roc_cfg
));
326 wiphy_dbg(wiphy
, "info: cancel ROC, cookie = 0x%llx\n", cookie
);
333 * CFG802.11 operation handler to set Tx power.
336 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
337 struct wireless_dev
*wdev
,
338 enum nl80211_tx_power_setting type
,
341 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
342 struct mwifiex_private
*priv
;
343 struct mwifiex_power_cfg power_cfg
;
344 int dbm
= MBM_TO_DBM(mbm
);
346 if (type
== NL80211_TX_POWER_FIXED
) {
347 power_cfg
.is_power_auto
= 0;
348 power_cfg
.power_level
= dbm
;
350 power_cfg
.is_power_auto
= 1;
353 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
355 return mwifiex_set_tx_power(priv
, &power_cfg
);
359 * CFG802.11 operation handler to set Power Save option.
361 * The timeout value, if provided, is currently ignored.
364 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
365 struct net_device
*dev
,
366 bool enabled
, int timeout
)
368 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
373 "info: ignore timeout value for IEEE Power Save\n");
377 return mwifiex_drv_set_power(priv
, &ps_mode
);
381 * CFG802.11 operation handler to set the default network key.
384 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
385 u8 key_index
, bool unicast
,
388 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
390 /* Return if WEP key not configured */
391 if (!priv
->sec_info
.wep_enabled
)
394 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_UAP
) {
395 priv
->wep_key_curr_index
= key_index
;
396 } else if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
,
398 wiphy_err(wiphy
, "set default Tx key index\n");
406 * CFG802.11 operation handler to add a network key.
409 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
410 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
411 struct key_params
*params
)
413 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
414 struct mwifiex_wep_key
*wep_key
;
415 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
416 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
418 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
&&
419 (params
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
420 params
->cipher
== WLAN_CIPHER_SUITE_WEP104
)) {
421 if (params
->key
&& params
->key_len
) {
422 wep_key
= &priv
->wep_key
[key_index
];
423 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
424 memcpy(wep_key
->key_material
, params
->key
,
426 wep_key
->key_index
= key_index
;
427 wep_key
->key_length
= params
->key_len
;
428 priv
->sec_info
.wep_enabled
= 1;
433 if (mwifiex_set_encode(priv
, params
, params
->key
, params
->key_len
,
434 key_index
, peer_mac
, 0)) {
435 wiphy_err(wiphy
, "crypto keys added\n");
443 * This function sends domain information to the firmware.
445 * The following information are passed to the firmware -
447 * - Sub bands (first channel, number of channels, maximum Tx power)
449 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
451 u8 no_of_triplet
= 0;
452 struct ieee80211_country_ie_triplet
*t
;
453 u8 no_of_parsed_chan
= 0;
454 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
456 enum ieee80211_band band
;
457 struct ieee80211_supported_band
*sband
;
458 struct ieee80211_channel
*ch
;
459 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
460 struct mwifiex_private
*priv
;
461 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
463 /* Set country code */
464 domain_info
->country_code
[0] = adapter
->country_code
[0];
465 domain_info
->country_code
[1] = adapter
->country_code
[1];
466 domain_info
->country_code
[2] = ' ';
468 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
469 if (!wiphy
->bands
[band
]) {
470 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
474 sband
= wiphy
->bands
[band
];
476 for (i
= 0; i
< sband
->n_channels
; i
++) {
477 ch
= &sband
->channels
[i
];
478 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
483 first_chan
= (u32
) ch
->hw_value
;
484 next_chan
= first_chan
;
485 max_pwr
= ch
->max_power
;
486 no_of_parsed_chan
= 1;
490 if (ch
->hw_value
== next_chan
+ 1 &&
491 ch
->max_power
== max_pwr
) {
495 t
= &domain_info
->triplet
[no_of_triplet
];
496 t
->chans
.first_channel
= first_chan
;
497 t
->chans
.num_channels
= no_of_parsed_chan
;
498 t
->chans
.max_power
= max_pwr
;
500 first_chan
= (u32
) ch
->hw_value
;
501 next_chan
= first_chan
;
502 max_pwr
= ch
->max_power
;
503 no_of_parsed_chan
= 1;
508 t
= &domain_info
->triplet
[no_of_triplet
];
509 t
->chans
.first_channel
= first_chan
;
510 t
->chans
.num_channels
= no_of_parsed_chan
;
511 t
->chans
.max_power
= max_pwr
;
515 domain_info
->no_of_triplet
= no_of_triplet
;
517 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
519 if (mwifiex_send_cmd(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
520 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
521 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
529 * CFG802.11 regulatory domain callback function.
531 * This function is called when the regulatory domain is changed due to the
532 * following reasons -
534 * - Set by system core
536 * - Set bt Country IE
538 static void mwifiex_reg_notifier(struct wiphy
*wiphy
,
539 struct regulatory_request
*request
)
541 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
542 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
543 MWIFIEX_BSS_ROLE_ANY
);
545 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
546 request
->alpha2
[0], request
->alpha2
[1]);
548 switch (request
->initiator
) {
549 case NL80211_REGDOM_SET_BY_DRIVER
:
550 case NL80211_REGDOM_SET_BY_CORE
:
551 case NL80211_REGDOM_SET_BY_USER
:
552 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
555 wiphy_err(wiphy
, "unknown regdom initiator: %d\n",
560 /* Don't send world or same regdom info to firmware */
561 if (strncmp(request
->alpha2
, "00", 2) &&
562 strncmp(request
->alpha2
, adapter
->country_code
,
563 sizeof(request
->alpha2
))) {
564 memcpy(adapter
->country_code
, request
->alpha2
,
565 sizeof(request
->alpha2
));
566 mwifiex_send_domain_info_cmd_fw(wiphy
);
567 mwifiex_dnld_txpwr_table(priv
);
572 * This function sets the fragmentation threshold.
574 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
575 * and MWIFIEX_FRAG_MAX_VALUE.
578 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
580 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
581 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
582 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
584 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
585 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
590 * This function sets the RTS threshold.
592 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
593 * and MWIFIEX_RTS_MAX_VALUE.
596 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
598 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
599 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
601 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
602 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
607 * CFG802.11 operation handler to set wiphy parameters.
609 * This function can be used to set the RTS threshold and the
610 * Fragmentation threshold of the driver.
613 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
615 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
616 struct mwifiex_private
*priv
;
617 struct mwifiex_uap_bss_param
*bss_cfg
;
618 int ret
, bss_started
, i
;
620 for (i
= 0; i
< adapter
->priv_num
; i
++) {
621 priv
= adapter
->priv
[i
];
623 switch (priv
->bss_role
) {
624 case MWIFIEX_BSS_ROLE_UAP
:
625 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
),
630 mwifiex_set_sys_config_invalid_data(bss_cfg
);
632 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
633 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
634 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
635 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
636 if (changed
& WIPHY_PARAM_RETRY_LONG
)
637 bss_cfg
->retry_limit
= wiphy
->retry_long
;
639 bss_started
= priv
->bss_started
;
641 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
642 HostCmd_ACT_GEN_SET
, 0,
645 wiphy_err(wiphy
, "Failed to stop the BSS\n");
650 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
652 UAP_BSS_PARAMS_I
, bss_cfg
,
658 wiphy_err(wiphy
, "Failed to set bss config\n");
665 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
666 HostCmd_ACT_GEN_SET
, 0,
669 wiphy_err(wiphy
, "Failed to start BSS\n");
674 case MWIFIEX_BSS_ROLE_STA
:
675 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
676 ret
= mwifiex_set_rts(priv
,
677 wiphy
->rts_threshold
);
681 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
682 ret
= mwifiex_set_frag(priv
,
683 wiphy
->frag_threshold
);
695 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private
*priv
)
697 u16 mode
= P2P_MODE_DISABLE
;
699 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
)
700 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_STA
);
702 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
703 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
710 * This function initializes the functionalities for P2P client.
711 * The P2P client initialization sequence is:
712 * disable -> device -> client
715 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private
*priv
)
719 if (mwifiex_cfg80211_deinit_p2p(priv
))
722 mode
= P2P_MODE_DEVICE
;
723 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
724 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
727 mode
= P2P_MODE_CLIENT
;
728 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
729 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
736 * This function initializes the functionalities for P2P GO.
737 * The P2P GO initialization sequence is:
738 * disable -> device -> GO
741 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private
*priv
)
745 if (mwifiex_cfg80211_deinit_p2p(priv
))
748 mode
= P2P_MODE_DEVICE
;
749 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
750 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
754 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
755 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
758 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
759 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_UAP
);
765 * CFG802.11 operation handler to change interface type.
768 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
769 struct net_device
*dev
,
770 enum nl80211_iftype type
, u32
*flags
,
771 struct vif_params
*params
)
774 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
776 switch (dev
->ieee80211_ptr
->iftype
) {
777 case NL80211_IFTYPE_ADHOC
:
779 case NL80211_IFTYPE_STATION
:
781 case NL80211_IFTYPE_UNSPECIFIED
:
782 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
783 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
785 case NL80211_IFTYPE_AP
:
787 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
792 case NL80211_IFTYPE_STATION
:
794 case NL80211_IFTYPE_ADHOC
:
796 case NL80211_IFTYPE_P2P_CLIENT
:
797 if (mwifiex_cfg80211_init_p2p_client(priv
))
799 dev
->ieee80211_ptr
->iftype
= type
;
801 case NL80211_IFTYPE_P2P_GO
:
802 if (mwifiex_cfg80211_init_p2p_go(priv
))
804 dev
->ieee80211_ptr
->iftype
= type
;
806 case NL80211_IFTYPE_UNSPECIFIED
:
807 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
808 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
810 case NL80211_IFTYPE_AP
:
812 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
817 case NL80211_IFTYPE_AP
:
819 case NL80211_IFTYPE_UNSPECIFIED
:
820 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
821 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
823 case NL80211_IFTYPE_ADHOC
:
824 case NL80211_IFTYPE_STATION
:
826 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
831 case NL80211_IFTYPE_P2P_CLIENT
:
832 case NL80211_IFTYPE_P2P_GO
:
834 case NL80211_IFTYPE_STATION
:
835 if (mwifiex_cfg80211_deinit_p2p(priv
))
837 dev
->ieee80211_ptr
->iftype
= type
;
844 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
845 dev
->name
, dev
->ieee80211_ptr
->iftype
);
849 dev
->ieee80211_ptr
->iftype
= type
;
850 priv
->bss_mode
= type
;
851 mwifiex_deauthenticate(priv
, NULL
);
853 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
855 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
856 HostCmd_ACT_GEN_SET
, 0, NULL
, true);
862 mwifiex_parse_htinfo(struct mwifiex_private
*priv
, u8 tx_htinfo
,
863 struct rate_info
*rate
)
865 struct mwifiex_adapter
*adapter
= priv
->adapter
;
867 if (adapter
->is_hw_11ac_capable
) {
868 /* bit[1-0]: 00=LG 01=HT 10=VHT */
869 if (tx_htinfo
& BIT(0)) {
871 rate
->mcs
= priv
->tx_rate
;
872 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
874 if (tx_htinfo
& BIT(1)) {
876 rate
->mcs
= priv
->tx_rate
& 0x0F;
877 rate
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
880 if (tx_htinfo
& (BIT(1) | BIT(0))) {
882 switch (tx_htinfo
& (BIT(3) | BIT(2))) {
884 /* This will be 20MHz */
887 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
890 rate
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
892 case (BIT(3) | BIT(2)):
893 rate
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
897 if (tx_htinfo
& BIT(4))
898 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
900 if ((priv
->tx_rate
>> 4) == 1)
907 * Bit 0 in tx_htinfo indicates that current Tx rate
908 * is 11n rate. Valid MCS index values for us are 0 to 15.
910 if ((tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 16)) {
911 rate
->mcs
= priv
->tx_rate
;
912 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
913 if (tx_htinfo
& BIT(1))
914 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
915 if (tx_htinfo
& BIT(2))
916 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
922 * This function dumps the station information on a buffer.
924 * The following information are shown -
925 * - Total bytes transmitted
926 * - Total bytes received
927 * - Total packets transmitted
928 * - Total packets received
929 * - Signal quality level
930 * - Transmission rate
933 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
934 struct station_info
*sinfo
)
938 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
939 STATION_INFO_RX_PACKETS
| STATION_INFO_TX_PACKETS
|
940 STATION_INFO_TX_BITRATE
|
941 STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
943 /* Get signal information from the firmware */
944 if (mwifiex_send_cmd(priv
, HostCmd_CMD_RSSI_INFO
,
945 HostCmd_ACT_GEN_GET
, 0, NULL
, true)) {
946 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
950 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
951 dev_err(priv
->adapter
->dev
, "getting data rate\n");
955 /* Get DTIM period information from firmware */
956 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
957 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
958 &priv
->dtim_period
, true);
960 mwifiex_parse_htinfo(priv
, priv
->tx_htinfo
, &sinfo
->txrate
);
962 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
963 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
964 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
965 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
966 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
967 sinfo
->signal
= priv
->bcn_rssi_avg
;
968 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
969 sinfo
->txrate
.legacy
= rate
* 5;
971 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
972 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
973 sinfo
->bss_param
.flags
= 0;
974 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
975 WLAN_CAPABILITY_SHORT_PREAMBLE
)
976 sinfo
->bss_param
.flags
|=
977 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
978 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
979 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
980 sinfo
->bss_param
.flags
|=
981 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
982 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
983 sinfo
->bss_param
.beacon_interval
=
984 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
991 * CFG802.11 operation handler to get station information.
993 * This function only works in connected mode, and dumps the
994 * requested station information, if available.
997 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
998 const u8
*mac
, struct station_info
*sinfo
)
1000 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1002 if (!priv
->media_connected
)
1004 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
1007 return mwifiex_dump_station_info(priv
, sinfo
);
1011 * CFG802.11 operation handler to dump station information.
1014 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1015 int idx
, u8
*mac
, struct station_info
*sinfo
)
1017 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1019 if (!priv
->media_connected
|| idx
)
1022 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
1024 return mwifiex_dump_station_info(priv
, sinfo
);
1027 /* Supported rates to be advertised to the cfg80211 */
1028 static struct ieee80211_rate mwifiex_rates
[] = {
1029 {.bitrate
= 10, .hw_value
= 2, },
1030 {.bitrate
= 20, .hw_value
= 4, },
1031 {.bitrate
= 55, .hw_value
= 11, },
1032 {.bitrate
= 110, .hw_value
= 22, },
1033 {.bitrate
= 60, .hw_value
= 12, },
1034 {.bitrate
= 90, .hw_value
= 18, },
1035 {.bitrate
= 120, .hw_value
= 24, },
1036 {.bitrate
= 180, .hw_value
= 36, },
1037 {.bitrate
= 240, .hw_value
= 48, },
1038 {.bitrate
= 360, .hw_value
= 72, },
1039 {.bitrate
= 480, .hw_value
= 96, },
1040 {.bitrate
= 540, .hw_value
= 108, },
1043 /* Channel definitions to be advertised to cfg80211 */
1044 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
1045 {.center_freq
= 2412, .hw_value
= 1, },
1046 {.center_freq
= 2417, .hw_value
= 2, },
1047 {.center_freq
= 2422, .hw_value
= 3, },
1048 {.center_freq
= 2427, .hw_value
= 4, },
1049 {.center_freq
= 2432, .hw_value
= 5, },
1050 {.center_freq
= 2437, .hw_value
= 6, },
1051 {.center_freq
= 2442, .hw_value
= 7, },
1052 {.center_freq
= 2447, .hw_value
= 8, },
1053 {.center_freq
= 2452, .hw_value
= 9, },
1054 {.center_freq
= 2457, .hw_value
= 10, },
1055 {.center_freq
= 2462, .hw_value
= 11, },
1056 {.center_freq
= 2467, .hw_value
= 12, },
1057 {.center_freq
= 2472, .hw_value
= 13, },
1058 {.center_freq
= 2484, .hw_value
= 14, },
1061 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
1062 .channels
= mwifiex_channels_2ghz
,
1063 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
1064 .bitrates
= mwifiex_rates
,
1065 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
1068 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
1069 {.center_freq
= 5040, .hw_value
= 8, },
1070 {.center_freq
= 5060, .hw_value
= 12, },
1071 {.center_freq
= 5080, .hw_value
= 16, },
1072 {.center_freq
= 5170, .hw_value
= 34, },
1073 {.center_freq
= 5190, .hw_value
= 38, },
1074 {.center_freq
= 5210, .hw_value
= 42, },
1075 {.center_freq
= 5230, .hw_value
= 46, },
1076 {.center_freq
= 5180, .hw_value
= 36, },
1077 {.center_freq
= 5200, .hw_value
= 40, },
1078 {.center_freq
= 5220, .hw_value
= 44, },
1079 {.center_freq
= 5240, .hw_value
= 48, },
1080 {.center_freq
= 5260, .hw_value
= 52, },
1081 {.center_freq
= 5280, .hw_value
= 56, },
1082 {.center_freq
= 5300, .hw_value
= 60, },
1083 {.center_freq
= 5320, .hw_value
= 64, },
1084 {.center_freq
= 5500, .hw_value
= 100, },
1085 {.center_freq
= 5520, .hw_value
= 104, },
1086 {.center_freq
= 5540, .hw_value
= 108, },
1087 {.center_freq
= 5560, .hw_value
= 112, },
1088 {.center_freq
= 5580, .hw_value
= 116, },
1089 {.center_freq
= 5600, .hw_value
= 120, },
1090 {.center_freq
= 5620, .hw_value
= 124, },
1091 {.center_freq
= 5640, .hw_value
= 128, },
1092 {.center_freq
= 5660, .hw_value
= 132, },
1093 {.center_freq
= 5680, .hw_value
= 136, },
1094 {.center_freq
= 5700, .hw_value
= 140, },
1095 {.center_freq
= 5745, .hw_value
= 149, },
1096 {.center_freq
= 5765, .hw_value
= 153, },
1097 {.center_freq
= 5785, .hw_value
= 157, },
1098 {.center_freq
= 5805, .hw_value
= 161, },
1099 {.center_freq
= 5825, .hw_value
= 165, },
1102 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
1103 .channels
= mwifiex_channels_5ghz
,
1104 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
1105 .bitrates
= mwifiex_rates
+ 4,
1106 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
1110 /* Supported crypto cipher suits to be advertised to cfg80211 */
1111 static const u32 mwifiex_cipher_suites
[] = {
1112 WLAN_CIPHER_SUITE_WEP40
,
1113 WLAN_CIPHER_SUITE_WEP104
,
1114 WLAN_CIPHER_SUITE_TKIP
,
1115 WLAN_CIPHER_SUITE_CCMP
,
1116 WLAN_CIPHER_SUITE_AES_CMAC
,
1119 /* Supported mgmt frame types to be advertised to cfg80211 */
1120 static const struct ieee80211_txrx_stypes
1121 mwifiex_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
1122 [NL80211_IFTYPE_STATION
] = {
1123 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1124 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1125 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1126 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1128 [NL80211_IFTYPE_AP
] = {
1129 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1130 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1131 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1132 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1134 [NL80211_IFTYPE_P2P_CLIENT
] = {
1135 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1136 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1137 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1138 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1140 [NL80211_IFTYPE_P2P_GO
] = {
1141 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1142 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1143 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1144 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1149 * CFG802.11 operation handler for setting bit rates.
1151 * Function configures data rates to firmware using bitrate mask
1152 * provided by cfg80211.
1154 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
1155 struct net_device
*dev
,
1157 const struct cfg80211_bitrate_mask
*mask
)
1159 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1160 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
1161 enum ieee80211_band band
;
1162 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1164 if (!priv
->media_connected
) {
1165 dev_err(adapter
->dev
,
1166 "Can not set Tx data rate in disconnected state\n");
1170 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1172 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
1174 /* Fill HR/DSSS rates. */
1175 if (band
== IEEE80211_BAND_2GHZ
)
1176 bitmap_rates
[0] = mask
->control
[band
].legacy
& 0x000f;
1178 /* Fill OFDM rates */
1179 if (band
== IEEE80211_BAND_2GHZ
)
1180 bitmap_rates
[1] = (mask
->control
[band
].legacy
& 0x0ff0) >> 4;
1182 bitmap_rates
[1] = mask
->control
[band
].legacy
;
1184 /* Fill HT MCS rates */
1185 bitmap_rates
[2] = mask
->control
[band
].ht_mcs
[0];
1186 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1187 bitmap_rates
[2] |= mask
->control
[band
].ht_mcs
[1] << 8;
1189 /* Fill VHT MCS rates */
1190 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
) {
1191 bitmap_rates
[10] = mask
->control
[band
].vht_mcs
[0];
1192 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1193 bitmap_rates
[11] = mask
->control
[band
].vht_mcs
[1];
1196 return mwifiex_send_cmd(priv
, HostCmd_CMD_TX_RATE_CFG
,
1197 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
, true);
1201 * CFG802.11 operation handler for connection quality monitoring.
1203 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1206 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1207 struct net_device
*dev
,
1208 s32 rssi_thold
, u32 rssi_hyst
)
1210 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1211 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
1213 priv
->cqm_rssi_thold
= rssi_thold
;
1214 priv
->cqm_rssi_hyst
= rssi_hyst
;
1216 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
1217 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
1219 /* Subscribe/unsubscribe low and high rssi events */
1220 if (rssi_thold
&& rssi_hyst
) {
1221 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
1222 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
1223 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
1224 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
1225 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
1226 return mwifiex_send_cmd(priv
,
1227 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1228 0, 0, &subsc_evt
, true);
1230 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
1231 return mwifiex_send_cmd(priv
,
1232 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1233 0, 0, &subsc_evt
, true);
1239 /* cfg80211 operation handler for change_beacon.
1240 * Function retrieves and sets modified management IEs to FW.
1242 static int mwifiex_cfg80211_change_beacon(struct wiphy
*wiphy
,
1243 struct net_device
*dev
,
1244 struct cfg80211_beacon_data
*data
)
1246 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1248 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
) {
1249 wiphy_err(wiphy
, "%s: bss_type mismatched\n", __func__
);
1253 if (!priv
->bss_started
) {
1254 wiphy_err(wiphy
, "%s: bss not started\n", __func__
);
1258 if (mwifiex_set_mgmt_ies(priv
, data
)) {
1259 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
1266 /* cfg80211 operation handler for del_station.
1267 * Function deauthenticates station which value is provided in mac parameter.
1268 * If mac is NULL/broadcast, all stations in associated station list are
1269 * deauthenticated. If bss is not started or there are no stations in
1270 * associated stations list, no action is taken.
1273 mwifiex_cfg80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1276 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1277 struct mwifiex_sta_node
*sta_node
;
1278 unsigned long flags
;
1280 if (list_empty(&priv
->sta_list
) || !priv
->bss_started
)
1283 if (!mac
|| is_broadcast_ether_addr(mac
)) {
1284 wiphy_dbg(wiphy
, "%s: NULL/broadcast mac address\n", __func__
);
1285 list_for_each_entry(sta_node
, &priv
->sta_list
, list
) {
1286 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1287 HostCmd_ACT_GEN_SET
, 0,
1288 sta_node
->mac_addr
, true))
1290 mwifiex_uap_del_sta_data(priv
, sta_node
);
1293 wiphy_dbg(wiphy
, "%s: mac address %pM\n", __func__
, mac
);
1294 spin_lock_irqsave(&priv
->sta_list_spinlock
, flags
);
1295 sta_node
= mwifiex_get_sta_entry(priv
, mac
);
1296 spin_unlock_irqrestore(&priv
->sta_list_spinlock
, flags
);
1298 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1299 HostCmd_ACT_GEN_SET
, 0,
1300 sta_node
->mac_addr
, true))
1302 mwifiex_uap_del_sta_data(priv
, sta_node
);
1310 mwifiex_cfg80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1312 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1313 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
1314 MWIFIEX_BSS_ROLE_ANY
);
1315 struct mwifiex_ds_ant_cfg ant_cfg
;
1317 if (!tx_ant
|| !rx_ant
)
1320 if (adapter
->hw_dev_mcs_support
!= HT_STREAM_2X2
) {
1321 /* Not a MIMO chip. User should provide specific antenna number
1322 * for Tx/Rx path or enable all antennas for diversity
1324 if (tx_ant
!= rx_ant
)
1327 if ((tx_ant
& (tx_ant
- 1)) &&
1328 (tx_ant
!= BIT(adapter
->number_of_antenna
) - 1))
1331 if ((tx_ant
== BIT(adapter
->number_of_antenna
) - 1) &&
1332 (priv
->adapter
->number_of_antenna
> 1)) {
1333 tx_ant
= RF_ANTENNA_AUTO
;
1334 rx_ant
= RF_ANTENNA_AUTO
;
1337 struct ieee80211_sta_ht_cap
*ht_info
;
1339 enum ieee80211_band band
;
1341 if ((tx_ant
== 0x1 && rx_ant
== 0x1)) {
1342 adapter
->user_dev_mcs_support
= HT_STREAM_1X1
;
1343 if (adapter
->is_hw_11ac_capable
)
1344 adapter
->usr_dot_11ac_mcs_support
=
1345 MWIFIEX_11AC_MCS_MAP_1X1
;
1347 adapter
->user_dev_mcs_support
= HT_STREAM_2X2
;
1348 if (adapter
->is_hw_11ac_capable
)
1349 adapter
->usr_dot_11ac_mcs_support
=
1350 MWIFIEX_11AC_MCS_MAP_2X2
;
1353 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
1354 if (!adapter
->wiphy
->bands
[band
])
1357 ht_info
= &adapter
->wiphy
->bands
[band
]->ht_cap
;
1359 GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
1360 memset(&ht_info
->mcs
, 0, adapter
->number_of_antenna
);
1361 memset(&ht_info
->mcs
, 0xff, rx_mcs_supp
);
1365 ant_cfg
.tx_ant
= tx_ant
;
1366 ant_cfg
.rx_ant
= rx_ant
;
1368 return mwifiex_send_cmd(priv
, HostCmd_CMD_RF_ANTENNA
,
1369 HostCmd_ACT_GEN_SET
, 0, &ant_cfg
, true);
1372 /* cfg80211 operation handler for stop ap.
1373 * Function stops BSS running at uAP interface.
1375 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1377 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1379 if (mwifiex_del_mgmt_ies(priv
))
1380 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
1382 priv
->ap_11n_enabled
= 0;
1384 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1385 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1386 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1393 /* cfg80211 operation handler for start_ap.
1394 * Function sets beacon period, DTIM period, SSID and security into
1395 * AP config structure.
1396 * AP is configured with these settings and BSS is started.
1398 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
1399 struct net_device
*dev
,
1400 struct cfg80211_ap_settings
*params
)
1402 struct mwifiex_uap_bss_param
*bss_cfg
;
1403 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1404 u8 config_bands
= 0;
1406 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
1408 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon
))
1411 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
1415 mwifiex_set_sys_config_invalid_data(bss_cfg
);
1417 if (params
->beacon_interval
)
1418 bss_cfg
->beacon_period
= params
->beacon_interval
;
1419 if (params
->dtim_period
)
1420 bss_cfg
->dtim_period
= params
->dtim_period
;
1422 if (params
->ssid
&& params
->ssid_len
) {
1423 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
1424 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
1427 switch (params
->hidden_ssid
) {
1428 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
1429 bss_cfg
->bcast_ssid_ctl
= 1;
1431 case NL80211_HIDDEN_SSID_ZERO_LEN
:
1432 bss_cfg
->bcast_ssid_ctl
= 0;
1434 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
1435 /* firmware doesn't support this type of hidden SSID */
1441 bss_cfg
->channel
= ieee80211_frequency_to_channel(
1442 params
->chandef
.chan
->center_freq
);
1444 /* Set appropriate bands */
1445 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1446 bss_cfg
->band_cfg
= BAND_CONFIG_BG
;
1447 config_bands
= BAND_B
| BAND_G
;
1449 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1450 config_bands
|= BAND_GN
;
1452 bss_cfg
->band_cfg
= BAND_CONFIG_A
;
1453 config_bands
= BAND_A
;
1455 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1456 config_bands
|= BAND_AN
;
1458 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_40
)
1459 config_bands
|= BAND_AAC
;
1462 if (!((config_bands
| priv
->adapter
->fw_bands
) &
1463 ~priv
->adapter
->fw_bands
))
1464 priv
->adapter
->config_bands
= config_bands
;
1466 mwifiex_set_uap_rates(bss_cfg
, params
);
1467 mwifiex_send_domain_info_cmd_fw(wiphy
);
1469 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
1471 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
1475 mwifiex_set_ht_params(priv
, bss_cfg
, params
);
1477 if (priv
->adapter
->is_hw_11ac_capable
) {
1478 mwifiex_set_vht_params(priv
, bss_cfg
, params
);
1479 mwifiex_set_vht_width(priv
, params
->chandef
.width
,
1480 priv
->ap_11ac_enabled
);
1483 if (priv
->ap_11ac_enabled
)
1484 mwifiex_set_11ac_ba_params(priv
);
1486 mwifiex_set_ba_params(priv
);
1488 mwifiex_set_wmm_params(priv
, bss_cfg
, params
);
1490 if (params
->inactivity_timeout
> 0) {
1491 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1492 bss_cfg
->sta_ao_timer
= 10 * params
->inactivity_timeout
;
1493 bss_cfg
->ps_sta_ao_timer
= 10 * params
->inactivity_timeout
;
1496 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1497 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1498 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1503 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
1504 HostCmd_ACT_GEN_SET
,
1505 UAP_BSS_PARAMS_I
, bss_cfg
, false)) {
1506 wiphy_err(wiphy
, "Failed to set the SSID\n");
1513 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
1514 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
1515 wiphy_err(wiphy
, "Failed to start the BSS\n");
1519 if (priv
->sec_info
.wep_enabled
)
1520 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1522 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1524 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MAC_CONTROL
,
1525 HostCmd_ACT_GEN_SET
, 0,
1526 &priv
->curr_pkt_filter
, true))
1533 * CFG802.11 operation handler for disconnection request.
1535 * This function does not work when there is already a disconnection
1536 * procedure going on.
1539 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1542 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1544 if (mwifiex_deauthenticate(priv
, NULL
))
1547 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1548 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1550 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1551 priv
->hs2_enabled
= false;
1557 * This function informs the CFG802.11 subsystem of a new IBSS.
1559 * The following information are sent to the CFG802.11 subsystem
1560 * to register the new IBSS. If we do not register the new IBSS,
1561 * a kernel panic will result.
1567 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1569 struct ieee80211_channel
*chan
;
1570 struct mwifiex_bss_info bss_info
;
1571 struct cfg80211_bss
*bss
;
1573 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1574 enum ieee80211_band band
;
1576 if (mwifiex_get_bss_info(priv
, &bss_info
))
1579 ie_buf
[0] = WLAN_EID_SSID
;
1580 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1582 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1583 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1584 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1586 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1587 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
1588 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1591 bss
= cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
1592 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1593 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1594 cfg80211_put_bss(priv
->wdev
->wiphy
, bss
);
1595 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1601 * This function connects with a BSS.
1603 * This function handles both Infra and Ad-Hoc modes. It also performs
1604 * validity checking on the provided parameters, disconnects from the
1605 * current BSS (if any), sets up the association/scan parameters,
1606 * including security settings, and performs specific SSID scan before
1607 * trying to connect.
1609 * For Infra mode, the function returns failure if the specified SSID
1610 * is not found in scan table. However, for Ad-Hoc mode, it can create
1611 * the IBSS if it does not exist. On successful completion in either case,
1612 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1615 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
,
1616 const u8
*ssid
, const u8
*bssid
, int mode
,
1617 struct ieee80211_channel
*channel
,
1618 struct cfg80211_connect_params
*sme
, bool privacy
)
1620 struct cfg80211_ssid req_ssid
;
1621 int ret
, auth_type
= 0;
1622 struct cfg80211_bss
*bss
= NULL
;
1623 u8 is_scanning_required
= 0;
1625 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1627 req_ssid
.ssid_len
= ssid_len
;
1628 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1629 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1633 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1634 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1635 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1639 /* disconnect before try to associate */
1640 mwifiex_deauthenticate(priv
, NULL
);
1642 /* As this is new association, clear locally stored
1643 * keys and security related flags */
1644 priv
->sec_info
.wpa_enabled
= false;
1645 priv
->sec_info
.wpa2_enabled
= false;
1646 priv
->wep_key_curr_index
= 0;
1647 priv
->sec_info
.encryption_mode
= 0;
1648 priv
->sec_info
.is_authtype_auto
= 0;
1649 ret
= mwifiex_set_encode(priv
, NULL
, NULL
, 0, 0, NULL
, 1);
1651 if (mode
== NL80211_IFTYPE_ADHOC
) {
1652 /* "privacy" is set only for ad-hoc mode */
1655 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1656 * the firmware can find a matching network from the
1657 * scan. The cfg80211 does not give us the encryption
1658 * mode at this stage so just setting it to WEP here.
1660 priv
->sec_info
.encryption_mode
=
1661 WLAN_CIPHER_SUITE_WEP104
;
1662 priv
->sec_info
.authentication_mode
=
1663 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1669 /* Now handle infra mode. "sme" is valid for infra mode only */
1670 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1671 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1672 priv
->sec_info
.is_authtype_auto
= 1;
1674 auth_type
= sme
->auth_type
;
1677 if (sme
->crypto
.n_ciphers_pairwise
) {
1678 priv
->sec_info
.encryption_mode
=
1679 sme
->crypto
.ciphers_pairwise
[0];
1680 priv
->sec_info
.authentication_mode
= auth_type
;
1683 if (sme
->crypto
.cipher_group
) {
1684 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1685 priv
->sec_info
.authentication_mode
= auth_type
;
1688 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1691 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1692 dev_dbg(priv
->adapter
->dev
,
1693 "info: setting wep encryption"
1694 " with key len %d\n", sme
->key_len
);
1695 priv
->wep_key_curr_index
= sme
->key_idx
;
1696 ret
= mwifiex_set_encode(priv
, NULL
, sme
->key
,
1697 sme
->key_len
, sme
->key_idx
,
1703 * Scan entries are valid for some time (15 sec). So we can save one
1704 * active scan time if we just try cfg80211_get_bss first. If it fails
1705 * then request scan and cfg80211_get_bss() again for final output.
1708 if (is_scanning_required
) {
1709 /* Do specific SSID scanning */
1710 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1711 dev_err(priv
->adapter
->dev
, "scan error\n");
1716 /* Find the BSS we want using available scan results */
1717 if (mode
== NL80211_IFTYPE_ADHOC
)
1718 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1719 bssid
, ssid
, ssid_len
,
1720 WLAN_CAPABILITY_IBSS
,
1721 WLAN_CAPABILITY_IBSS
);
1723 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1724 bssid
, ssid
, ssid_len
,
1725 WLAN_CAPABILITY_ESS
,
1726 WLAN_CAPABILITY_ESS
);
1729 if (is_scanning_required
) {
1730 dev_warn(priv
->adapter
->dev
,
1731 "assoc: requested bss not found in scan results\n");
1734 is_scanning_required
= 1;
1736 dev_dbg(priv
->adapter
->dev
,
1737 "info: trying to associate to '%s' bssid %pM\n",
1738 (char *) req_ssid
.ssid
, bss
->bssid
);
1739 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
1744 ret
= mwifiex_bss_start(priv
, bss
, &req_ssid
);
1748 if (mode
== NL80211_IFTYPE_ADHOC
) {
1749 /* Inform the BSS information to kernel, otherwise
1750 * kernel will give a panic after successful assoc */
1751 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1759 * CFG802.11 operation handler for association request.
1761 * This function does not work when the current mode is set to Ad-Hoc, or
1762 * when there is already an association procedure going on. The given BSS
1763 * information is used to associate.
1766 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1767 struct cfg80211_connect_params
*sme
)
1769 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1772 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
) {
1774 "%s: reject infra assoc request in non-STA role\n",
1779 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1780 (char *) sme
->ssid
, sme
->bssid
);
1782 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1783 priv
->bss_mode
, sme
->channel
, sme
, 0);
1785 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
1786 NULL
, 0, WLAN_STATUS_SUCCESS
,
1788 dev_dbg(priv
->adapter
->dev
,
1789 "info: associated to bssid %pM successfully\n",
1792 dev_dbg(priv
->adapter
->dev
,
1793 "info: association to bssid %pM failed\n",
1795 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1798 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1799 NULL
, 0, NULL
, 0, ret
,
1802 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1804 WLAN_STATUS_UNSPECIFIED_FAILURE
,
1812 * This function sets following parameters for ibss network.
1816 * - secondary channel offset
1818 static int mwifiex_set_ibss_params(struct mwifiex_private
*priv
,
1819 struct cfg80211_ibss_params
*params
)
1821 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
1822 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1824 u8 config_bands
= 0;
1826 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1827 if (!params
->basic_rates
) {
1828 config_bands
= BAND_B
| BAND_G
;
1830 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
1832 * Rates below 6 Mbps in the table are CCK
1833 * rates; 802.11b and from 6 they are OFDM;
1836 if (mwifiex_rates
[i
].bitrate
== 60) {
1842 if (params
->basic_rates
< index
) {
1843 config_bands
= BAND_B
;
1845 config_bands
= BAND_G
;
1846 if (params
->basic_rates
% index
)
1847 config_bands
|= BAND_B
;
1851 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
1853 config_bands
|= BAND_G
| BAND_GN
;
1855 if (cfg80211_get_chandef_type(¶ms
->chandef
) ==
1857 config_bands
= BAND_A
;
1859 config_bands
= BAND_AN
| BAND_A
;
1862 if (!((config_bands
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
1863 adapter
->config_bands
= config_bands
;
1864 adapter
->adhoc_start_band
= config_bands
;
1866 if ((config_bands
& BAND_GN
) || (config_bands
& BAND_AN
))
1867 adapter
->adhoc_11n_enabled
= true;
1869 adapter
->adhoc_11n_enabled
= false;
1872 adapter
->sec_chan_offset
=
1873 mwifiex_chan_type_to_sec_chan_offset(
1874 cfg80211_get_chandef_type(¶ms
->chandef
));
1875 priv
->adhoc_channel
= ieee80211_frequency_to_channel(
1876 params
->chandef
.chan
->center_freq
);
1878 wiphy_dbg(wiphy
, "info: set ibss band %d, chan %d, chan offset %d\n",
1879 config_bands
, priv
->adhoc_channel
, adapter
->sec_chan_offset
);
1885 * CFG802.11 operation handler to join an IBSS.
1887 * This function does not work in any mode other than Ad-Hoc, or if
1888 * a join operation is already in progress.
1891 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1892 struct cfg80211_ibss_params
*params
)
1894 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1897 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1898 wiphy_err(wiphy
, "request to join ibss received "
1899 "when station is not in ibss mode\n");
1903 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1904 (char *) params
->ssid
, params
->bssid
);
1906 mwifiex_set_ibss_params(priv
, params
);
1908 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1909 params
->bssid
, priv
->bss_mode
,
1910 params
->chandef
.chan
, NULL
,
1914 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
,
1915 params
->chandef
.chan
, GFP_KERNEL
);
1916 dev_dbg(priv
->adapter
->dev
,
1917 "info: joined/created adhoc network with bssid"
1918 " %pM successfully\n", priv
->cfg_bssid
);
1920 dev_dbg(priv
->adapter
->dev
,
1921 "info: failed creating/joining adhoc network\n");
1928 * CFG802.11 operation handler to leave an IBSS.
1930 * This function does not work if a leave operation is
1931 * already in progress.
1934 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1936 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1938 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1940 if (mwifiex_deauthenticate(priv
, NULL
))
1943 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1949 * CFG802.11 operation handler for scan request.
1951 * This function issues a scan request to the firmware based upon
1952 * the user specified scan configuration. On successfull completion,
1953 * it also informs the results.
1956 mwifiex_cfg80211_scan(struct wiphy
*wiphy
,
1957 struct cfg80211_scan_request
*request
)
1959 struct net_device
*dev
= request
->wdev
->netdev
;
1960 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1962 struct ieee80211_channel
*chan
;
1963 struct ieee_types_header
*ie
;
1964 struct mwifiex_user_scan_cfg
*user_scan_cfg
;
1966 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1968 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
1969 atomic_read(&priv
->wmm
.tx_pkts_queued
) >=
1970 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN
) {
1971 dev_dbg(priv
->adapter
->dev
, "scan rejected due to traffic\n");
1975 /* Block scan request if scan operation or scan cleanup when interface
1976 * is disabled is in process
1978 if (priv
->scan_request
|| priv
->scan_aborting
) {
1979 dev_err(priv
->adapter
->dev
, "cmd: Scan already in process..\n");
1983 user_scan_cfg
= kzalloc(sizeof(*user_scan_cfg
), GFP_KERNEL
);
1987 priv
->scan_request
= request
;
1989 user_scan_cfg
->num_ssids
= request
->n_ssids
;
1990 user_scan_cfg
->ssid_list
= request
->ssids
;
1992 if (request
->ie
&& request
->ie_len
) {
1994 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1995 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
1997 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
1998 ie
= (struct ieee_types_header
*)(request
->ie
+ offset
);
1999 memcpy(&priv
->vs_ie
[i
].ie
, ie
, sizeof(*ie
) + ie
->len
);
2000 offset
+= sizeof(*ie
) + ie
->len
;
2002 if (offset
>= request
->ie_len
)
2007 for (i
= 0; i
< min_t(u32
, request
->n_channels
,
2008 MWIFIEX_USER_SCAN_CHAN_MAX
); i
++) {
2009 chan
= request
->channels
[i
];
2010 user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
2011 user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
2013 if (chan
->flags
& IEEE80211_CHAN_NO_IR
)
2014 user_scan_cfg
->chan_list
[i
].scan_type
=
2015 MWIFIEX_SCAN_TYPE_PASSIVE
;
2017 user_scan_cfg
->chan_list
[i
].scan_type
=
2018 MWIFIEX_SCAN_TYPE_ACTIVE
;
2020 user_scan_cfg
->chan_list
[i
].scan_time
= 0;
2023 ret
= mwifiex_scan_networks(priv
, user_scan_cfg
);
2024 kfree(user_scan_cfg
);
2026 dev_err(priv
->adapter
->dev
, "scan failed: %d\n", ret
);
2027 priv
->scan_aborting
= false;
2028 priv
->scan_request
= NULL
;
2032 if (request
->ie
&& request
->ie_len
) {
2033 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
2034 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
2035 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
2036 memset(&priv
->vs_ie
[i
].ie
, 0,
2037 MWIFIEX_MAX_VSIE_LEN
);
2044 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap
*vht_info
,
2045 struct mwifiex_private
*priv
)
2047 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2049 vht_info
->vht_supported
= true;
2051 vht_info
->cap
= adapter
->hw_dot_11ac_dev_cap
;
2052 /* Update MCS support for VHT */
2053 vht_info
->vht_mcs
.rx_mcs_map
= cpu_to_le16(
2054 adapter
->hw_dot_11ac_mcs_support
& 0xFFFF);
2055 vht_info
->vht_mcs
.rx_highest
= 0;
2056 vht_info
->vht_mcs
.tx_mcs_map
= cpu_to_le16(
2057 adapter
->hw_dot_11ac_mcs_support
>> 16);
2058 vht_info
->vht_mcs
.tx_highest
= 0;
2062 * This function sets up the CFG802.11 specific HT capability fields
2063 * with default values.
2065 * The following default values are set -
2066 * - HT Supported = True
2067 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2068 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2069 * - HT Capabilities supported by firmware
2070 * - MCS information, Rx mask = 0xff
2071 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2074 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
2075 struct mwifiex_private
*priv
)
2078 struct ieee80211_mcs_info mcs_set
;
2079 u8
*mcs
= (u8
*)&mcs_set
;
2080 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2082 ht_info
->ht_supported
= true;
2083 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
2084 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
2086 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
2088 /* Fill HT capability information */
2089 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2090 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2092 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2094 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
2095 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
2097 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
2099 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
2100 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
2102 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
2104 if (adapter
->user_dev_mcs_support
== HT_STREAM_2X2
)
2105 ht_info
->cap
|= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2107 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2109 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
2110 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
2112 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
2114 if (ISSUPP_GREENFIELD(adapter
->hw_dot_11n_dev_cap
))
2115 ht_info
->cap
|= IEEE80211_HT_CAP_GRN_FLD
;
2117 ht_info
->cap
&= ~IEEE80211_HT_CAP_GRN_FLD
;
2119 if (ISENABLED_40MHZ_INTOLERANT(adapter
->hw_dot_11n_dev_cap
))
2120 ht_info
->cap
|= IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2122 ht_info
->cap
&= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2124 if (ISSUPP_RXLDPC(adapter
->hw_dot_11n_dev_cap
))
2125 ht_info
->cap
|= IEEE80211_HT_CAP_LDPC_CODING
;
2127 ht_info
->cap
&= ~IEEE80211_HT_CAP_LDPC_CODING
;
2129 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
2130 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
2132 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
2133 /* Set MCS for 1x1/2x2 */
2134 memset(mcs
, 0xff, rx_mcs_supp
);
2135 /* Clear all the other values */
2136 memset(&mcs
[rx_mcs_supp
], 0,
2137 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
2138 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
2139 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2140 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2141 SETHT_MCS32(mcs_set
.rx_mask
);
2143 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
2145 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
2149 * create a new virtual interface with the given name
2151 struct wireless_dev
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
2153 enum nl80211_iftype type
,
2155 struct vif_params
*params
)
2157 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2158 struct mwifiex_private
*priv
;
2159 struct net_device
*dev
;
2161 struct wireless_dev
*wdev
;
2164 return ERR_PTR(-EFAULT
);
2167 case NL80211_IFTYPE_UNSPECIFIED
:
2168 case NL80211_IFTYPE_STATION
:
2169 case NL80211_IFTYPE_ADHOC
:
2170 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2171 if (priv
->bss_mode
) {
2173 "cannot create multiple sta/adhoc ifaces\n");
2174 return ERR_PTR(-EINVAL
);
2177 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2179 return ERR_PTR(-ENOMEM
);
2181 wdev
->wiphy
= wiphy
;
2183 wdev
->iftype
= NL80211_IFTYPE_STATION
;
2185 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
2186 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
2188 priv
->bss_mode
= type
;
2190 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
2191 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2192 priv
->bss_priority
= 0;
2193 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2197 case NL80211_IFTYPE_AP
:
2198 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_UAP
];
2200 if (priv
->bss_mode
) {
2201 wiphy_err(wiphy
, "Can't create multiple AP interfaces");
2202 return ERR_PTR(-EINVAL
);
2205 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2207 return ERR_PTR(-ENOMEM
);
2210 wdev
->wiphy
= wiphy
;
2211 wdev
->iftype
= NL80211_IFTYPE_AP
;
2213 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
2214 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2215 priv
->bss_priority
= 0;
2216 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
2217 priv
->bss_started
= 0;
2219 priv
->bss_mode
= type
;
2222 case NL80211_IFTYPE_P2P_CLIENT
:
2223 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_P2P
];
2225 if (priv
->bss_mode
) {
2226 wiphy_err(wiphy
, "Can't create multiple P2P ifaces");
2227 return ERR_PTR(-EINVAL
);
2230 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2232 return ERR_PTR(-ENOMEM
);
2235 wdev
->wiphy
= wiphy
;
2237 /* At start-up, wpa_supplicant tries to change the interface
2238 * to NL80211_IFTYPE_STATION if it is not managed mode.
2240 wdev
->iftype
= NL80211_IFTYPE_P2P_CLIENT
;
2241 priv
->bss_mode
= NL80211_IFTYPE_P2P_CLIENT
;
2243 /* Setting bss_type to P2P tells firmware that this interface
2244 * is receiving P2P peers found during find phase and doing
2245 * action frame handshake.
2247 priv
->bss_type
= MWIFIEX_BSS_TYPE_P2P
;
2249 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2250 priv
->bss_priority
= MWIFIEX_BSS_ROLE_STA
;
2251 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2252 priv
->bss_started
= 0;
2255 if (mwifiex_cfg80211_init_p2p_client(priv
)) {
2256 wdev
= ERR_PTR(-EFAULT
);
2262 wiphy_err(wiphy
, "type not supported\n");
2263 return ERR_PTR(-EINVAL
);
2266 dev
= alloc_netdev_mqs(sizeof(struct mwifiex_private
*), name
,
2267 ether_setup
, IEEE80211_NUM_ACS
, 1);
2269 wiphy_err(wiphy
, "no memory available for netdevice\n");
2270 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2271 wdev
= ERR_PTR(-ENOMEM
);
2275 mwifiex_init_priv_params(priv
, dev
);
2278 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
2279 if (adapter
->is_hw_11ac_capable
)
2280 mwifiex_setup_vht_caps(
2281 &wiphy
->bands
[IEEE80211_BAND_2GHZ
]->vht_cap
, priv
);
2283 if (adapter
->config_bands
& BAND_A
)
2284 mwifiex_setup_ht_caps(
2285 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
2287 if ((adapter
->config_bands
& BAND_A
) && adapter
->is_hw_11ac_capable
)
2288 mwifiex_setup_vht_caps(
2289 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->vht_cap
, priv
);
2291 dev_net_set(dev
, wiphy_net(wiphy
));
2292 dev
->ieee80211_ptr
= priv
->wdev
;
2293 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
2294 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
2295 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
2297 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
2298 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
2299 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
2300 dev
->ethtool_ops
= &mwifiex_ethtool_ops
;
2302 mdev_priv
= netdev_priv(dev
);
2303 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
2305 SET_NETDEV_DEV(dev
, adapter
->dev
);
2307 /* Register network device */
2308 if (register_netdevice(dev
)) {
2309 wiphy_err(wiphy
, "cannot register virtual network device\n");
2311 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2312 priv
->netdev
= NULL
;
2313 wdev
= ERR_PTR(-EFAULT
);
2317 sema_init(&priv
->async_sem
, 1);
2319 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
2321 #ifdef CONFIG_DEBUG_FS
2322 mwifiex_dev_debugfs_init(priv
);
2333 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
2336 * del_virtual_intf: remove the virtual interface determined by dev
2338 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2340 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
2342 #ifdef CONFIG_DEBUG_FS
2343 mwifiex_dev_debugfs_remove(priv
);
2346 mwifiex_stop_net_dev_queue(priv
->netdev
, priv
->adapter
);
2348 if (netif_carrier_ok(priv
->netdev
))
2349 netif_carrier_off(priv
->netdev
);
2351 if (wdev
->netdev
->reg_state
== NETREG_REGISTERED
)
2352 unregister_netdevice(wdev
->netdev
);
2354 /* Clear the priv in adapter */
2355 priv
->netdev
->ieee80211_ptr
= NULL
;
2356 priv
->netdev
= NULL
;
2360 priv
->media_connected
= false;
2362 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2366 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
2369 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern
*pat
, s8
*byte_seq
,
2372 int j
, k
, valid_byte_cnt
= 0;
2373 bool dont_care_byte
= false;
2375 for (j
= 0; j
< DIV_ROUND_UP(pat
->pattern_len
, 8); j
++) {
2376 for (k
= 0; k
< 8; k
++) {
2377 if (pat
->mask
[j
] & 1 << k
) {
2378 memcpy(byte_seq
+ valid_byte_cnt
,
2379 &pat
->pattern
[j
* 8 + k
], 1);
2385 dont_care_byte
= true;
2388 if (valid_byte_cnt
> max_byte_seq
)
2393 byte_seq
[max_byte_seq
] = valid_byte_cnt
;
2399 static int mwifiex_cfg80211_suspend(struct wiphy
*wiphy
,
2400 struct cfg80211_wowlan
*wowlan
)
2402 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2403 struct mwifiex_ds_mef_cfg mef_cfg
;
2404 struct mwifiex_mef_entry
*mef_entry
;
2405 int i
, filt_num
= 0, ret
;
2406 bool first_pat
= true;
2407 u8 byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
+ 1];
2408 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2409 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2410 struct mwifiex_private
*priv
=
2411 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2414 dev_warn(adapter
->dev
, "None of the WOWLAN triggers enabled\n");
2418 if (!priv
->media_connected
) {
2419 dev_warn(adapter
->dev
,
2420 "Can not configure WOWLAN in disconnected state\n");
2424 mef_entry
= kzalloc(sizeof(*mef_entry
), GFP_KERNEL
);
2428 memset(&mef_cfg
, 0, sizeof(mef_cfg
));
2429 mef_cfg
.num_entries
= 1;
2430 mef_cfg
.mef_entry
= mef_entry
;
2431 mef_entry
->mode
= MEF_MODE_HOST_SLEEP
;
2432 mef_entry
->action
= MEF_ACTION_ALLOW_AND_WAKEUP_HOST
;
2434 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
2435 memset(byte_seq
, 0, sizeof(byte_seq
));
2436 if (!mwifiex_is_pattern_supported(&wowlan
->patterns
[i
],
2438 MWIFIEX_MEF_MAX_BYTESEQ
)) {
2439 wiphy_err(wiphy
, "Pattern not supported\n");
2444 if (!wowlan
->patterns
[i
].pkt_offset
) {
2445 if (!(byte_seq
[0] & 0x01) &&
2446 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 1)) {
2447 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2449 } else if (is_broadcast_ether_addr(byte_seq
)) {
2450 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_BROADCAST
;
2452 } else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2453 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 2)) ||
2454 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2455 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 3))) {
2456 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_MULTICAST
;
2461 mef_entry
->filter
[filt_num
].repeat
= 1;
2462 mef_entry
->filter
[filt_num
].offset
=
2463 wowlan
->patterns
[i
].pkt_offset
;
2464 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, byte_seq
,
2466 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2471 mef_entry
->filter
[filt_num
].filt_action
= TYPE_AND
;
2476 if (wowlan
->magic_pkt
) {
2477 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2478 mef_entry
->filter
[filt_num
].repeat
= 16;
2479 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2481 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2483 mef_entry
->filter
[filt_num
].offset
= 28;
2484 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2486 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2489 if (!mef_cfg
.criteria
)
2490 mef_cfg
.criteria
= MWIFIEX_CRITERIA_BROADCAST
|
2491 MWIFIEX_CRITERIA_UNICAST
|
2492 MWIFIEX_CRITERIA_MULTICAST
;
2494 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_MEF_CFG
,
2495 HostCmd_ACT_GEN_SET
, 0, &mef_cfg
, true);
2501 static int mwifiex_cfg80211_resume(struct wiphy
*wiphy
)
2506 static void mwifiex_cfg80211_set_wakeup(struct wiphy
*wiphy
,
2509 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2511 device_set_wakeup_enable(adapter
->dev
, enabled
);
2515 static int mwifiex_get_coalesce_pkt_type(u8
*byte_seq
)
2517 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2518 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2519 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff};
2521 if ((byte_seq
[0] & 0x01) &&
2522 (byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 1))
2523 return PACKET_TYPE_UNICAST
;
2524 else if (!memcmp(byte_seq
, bc_mac
, 4))
2525 return PACKET_TYPE_BROADCAST
;
2526 else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2527 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 2) ||
2528 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2529 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 3))
2530 return PACKET_TYPE_MULTICAST
;
2536 mwifiex_fill_coalesce_rule_info(struct mwifiex_private
*priv
,
2537 struct cfg80211_coalesce_rules
*crule
,
2538 struct mwifiex_coalesce_rule
*mrule
)
2540 u8 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
+ 1];
2541 struct filt_field_param
*param
;
2544 mrule
->max_coalescing_delay
= crule
->delay
;
2546 param
= mrule
->params
;
2548 for (i
= 0; i
< crule
->n_patterns
; i
++) {
2549 memset(byte_seq
, 0, sizeof(byte_seq
));
2550 if (!mwifiex_is_pattern_supported(&crule
->patterns
[i
],
2552 MWIFIEX_COALESCE_MAX_BYTESEQ
)) {
2553 dev_err(priv
->adapter
->dev
, "Pattern not supported\n");
2557 if (!crule
->patterns
[i
].pkt_offset
) {
2560 pkt_type
= mwifiex_get_coalesce_pkt_type(byte_seq
);
2561 if (pkt_type
&& mrule
->pkt_type
) {
2562 dev_err(priv
->adapter
->dev
,
2563 "Multiple packet types not allowed\n");
2565 } else if (pkt_type
) {
2566 mrule
->pkt_type
= pkt_type
;
2571 if (crule
->condition
== NL80211_COALESCE_CONDITION_MATCH
)
2572 param
->operation
= RECV_FILTER_MATCH_TYPE_EQ
;
2574 param
->operation
= RECV_FILTER_MATCH_TYPE_NE
;
2576 param
->operand_len
= byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
];
2577 memcpy(param
->operand_byte_stream
, byte_seq
,
2578 param
->operand_len
);
2579 param
->offset
= crule
->patterns
[i
].pkt_offset
;
2582 mrule
->num_of_fields
++;
2585 if (!mrule
->pkt_type
) {
2586 dev_err(priv
->adapter
->dev
,
2587 "Packet type can not be determined\n");
2594 static int mwifiex_cfg80211_set_coalesce(struct wiphy
*wiphy
,
2595 struct cfg80211_coalesce
*coalesce
)
2597 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2599 struct mwifiex_ds_coalesce_cfg coalesce_cfg
;
2600 struct mwifiex_private
*priv
=
2601 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2603 memset(&coalesce_cfg
, 0, sizeof(coalesce_cfg
));
2605 dev_dbg(adapter
->dev
,
2606 "Disable coalesce and reset all previous rules\n");
2607 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2608 HostCmd_ACT_GEN_SET
, 0,
2609 &coalesce_cfg
, true);
2612 coalesce_cfg
.num_of_rules
= coalesce
->n_rules
;
2613 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
2614 ret
= mwifiex_fill_coalesce_rule_info(priv
, &coalesce
->rules
[i
],
2615 &coalesce_cfg
.rule
[i
]);
2617 dev_err(priv
->adapter
->dev
,
2618 "Recheck the patterns provided for rule %d\n",
2624 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2625 HostCmd_ACT_GEN_SET
, 0, &coalesce_cfg
, true);
2628 /* cfg80211 ops handler for tdls_mgmt.
2629 * Function prepares TDLS action frame packets and forwards them to FW
2632 mwifiex_cfg80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2633 const u8
*peer
, u8 action_code
, u8 dialog_token
,
2634 u16 status_code
, u32 peer_capability
,
2635 const u8
*extra_ies
, size_t extra_ies_len
)
2637 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2640 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2643 /* make sure we are in station mode and connected */
2644 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2647 switch (action_code
) {
2648 case WLAN_TDLS_SETUP_REQUEST
:
2649 dev_dbg(priv
->adapter
->dev
,
2650 "Send TDLS Setup Request to %pM status_code=%d\n", peer
,
2652 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2653 dialog_token
, status_code
,
2654 extra_ies
, extra_ies_len
);
2656 case WLAN_TDLS_SETUP_RESPONSE
:
2657 dev_dbg(priv
->adapter
->dev
,
2658 "Send TDLS Setup Response to %pM status_code=%d\n",
2660 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2661 dialog_token
, status_code
,
2662 extra_ies
, extra_ies_len
);
2664 case WLAN_TDLS_SETUP_CONFIRM
:
2665 dev_dbg(priv
->adapter
->dev
,
2666 "Send TDLS Confirm to %pM status_code=%d\n", peer
,
2668 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2669 dialog_token
, status_code
,
2670 extra_ies
, extra_ies_len
);
2672 case WLAN_TDLS_TEARDOWN
:
2673 dev_dbg(priv
->adapter
->dev
, "Send TDLS Tear down to %pM\n",
2675 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2676 dialog_token
, status_code
,
2677 extra_ies
, extra_ies_len
);
2679 case WLAN_TDLS_DISCOVERY_REQUEST
:
2680 dev_dbg(priv
->adapter
->dev
,
2681 "Send TDLS Discovery Request to %pM\n", peer
);
2682 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2683 dialog_token
, status_code
,
2684 extra_ies
, extra_ies_len
);
2686 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2687 dev_dbg(priv
->adapter
->dev
,
2688 "Send TDLS Discovery Response to %pM\n", peer
);
2689 ret
= mwifiex_send_tdls_action_frame(priv
, peer
, action_code
,
2690 dialog_token
, status_code
,
2691 extra_ies
, extra_ies_len
);
2694 dev_warn(priv
->adapter
->dev
,
2695 "Unknown TDLS mgmt/action frame %pM\n", peer
);
2704 mwifiex_cfg80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2705 const u8
*peer
, enum nl80211_tdls_operation action
)
2707 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2709 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
2710 !(wiphy
->flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
2713 /* make sure we are in station mode and connected */
2714 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2717 dev_dbg(priv
->adapter
->dev
,
2718 "TDLS peer=%pM, oper=%d\n", peer
, action
);
2721 case NL80211_TDLS_ENABLE_LINK
:
2722 action
= MWIFIEX_TDLS_ENABLE_LINK
;
2724 case NL80211_TDLS_DISABLE_LINK
:
2725 action
= MWIFIEX_TDLS_DISABLE_LINK
;
2727 case NL80211_TDLS_TEARDOWN
:
2728 /* shouldn't happen!*/
2729 dev_warn(priv
->adapter
->dev
,
2730 "tdls_oper: teardown from driver not supported\n");
2732 case NL80211_TDLS_SETUP
:
2733 /* shouldn't happen!*/
2734 dev_warn(priv
->adapter
->dev
,
2735 "tdls_oper: setup from driver not supported\n");
2737 case NL80211_TDLS_DISCOVERY_REQ
:
2738 /* shouldn't happen!*/
2739 dev_warn(priv
->adapter
->dev
,
2740 "tdls_oper: discovery from driver not supported\n");
2743 dev_err(priv
->adapter
->dev
,
2744 "tdls_oper: operation not supported\n");
2748 return mwifiex_tdls_oper(priv
, peer
, action
);
2752 mwifiex_cfg80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2753 const 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
, struct net_device
*dev
,
2770 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
;