1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
22 #include <drv_types.h>
23 #include <osdep_intf.h>
24 #include <ieee80211.h>
26 #include <osdep_service.h>
27 #include <wlan_bssdef.h>
29 u8 RTW_WPA_OUI_TYPE
[] = { 0x00, 0x50, 0xf2, 1 };
30 u8 WPA_AUTH_KEY_MGMT_NONE
[] = { 0x00, 0x50, 0xf2, 0 };
31 u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X
[] = { 0x00, 0x50, 0xf2, 1 };
32 u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X
[] = { 0x00, 0x50, 0xf2, 2 };
33 u8 WPA_CIPHER_SUITE_NONE
[] = { 0x00, 0x50, 0xf2, 0 };
34 u8 WPA_CIPHER_SUITE_WEP40
[] = { 0x00, 0x50, 0xf2, 1 };
35 u8 WPA_CIPHER_SUITE_TKIP
[] = { 0x00, 0x50, 0xf2, 2 };
36 u8 WPA_CIPHER_SUITE_WRAP
[] = { 0x00, 0x50, 0xf2, 3 };
37 u8 WPA_CIPHER_SUITE_CCMP
[] = { 0x00, 0x50, 0xf2, 4 };
38 u8 WPA_CIPHER_SUITE_WEP104
[] = { 0x00, 0x50, 0xf2, 5 };
40 u16 RSN_VERSION_BSD
= 1;
41 u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X
[] = { 0x00, 0x0f, 0xac, 1 };
42 u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X
[] = { 0x00, 0x0f, 0xac, 2 };
43 u8 RSN_CIPHER_SUITE_NONE
[] = { 0x00, 0x0f, 0xac, 0 };
44 u8 RSN_CIPHER_SUITE_WEP40
[] = { 0x00, 0x0f, 0xac, 1 };
45 u8 RSN_CIPHER_SUITE_TKIP
[] = { 0x00, 0x0f, 0xac, 2 };
46 u8 RSN_CIPHER_SUITE_WRAP
[] = { 0x00, 0x0f, 0xac, 3 };
47 u8 RSN_CIPHER_SUITE_CCMP
[] = { 0x00, 0x0f, 0xac, 4 };
48 u8 RSN_CIPHER_SUITE_WEP104
[] = { 0x00, 0x0f, 0xac, 5 };
50 /* for adhoc-master to generate ie and provide supported-rate to fw */
53 static u8 WIFI_CCKRATES
[] = {
54 (IEEE80211_CCK_RATE_1MB
| IEEE80211_BASIC_RATE_MASK
),
55 (IEEE80211_CCK_RATE_2MB
| IEEE80211_BASIC_RATE_MASK
),
56 (IEEE80211_CCK_RATE_5MB
| IEEE80211_BASIC_RATE_MASK
),
57 (IEEE80211_CCK_RATE_11MB
| IEEE80211_BASIC_RATE_MASK
)
60 static u8 WIFI_OFDMRATES
[] = {
61 (IEEE80211_OFDM_RATE_6MB
),
62 (IEEE80211_OFDM_RATE_9MB
),
63 (IEEE80211_OFDM_RATE_12MB
),
64 (IEEE80211_OFDM_RATE_18MB
),
65 (IEEE80211_OFDM_RATE_24MB
),
66 IEEE80211_OFDM_RATE_36MB
,
67 IEEE80211_OFDM_RATE_48MB
,
68 IEEE80211_OFDM_RATE_54MB
72 int rtw_get_bit_value_from_ieee_value(u8 val
)
74 unsigned char dot11_rate_table
[] = {
75 2, 4, 11, 22, 12, 18, 24, 36, 48,
76 72, 96, 108, 0}; /* last element must be zero!! */
79 while (dot11_rate_table
[i
] != 0) {
80 if (dot11_rate_table
[i
] == val
)
87 uint
rtw_is_cckrates_included(u8
*rate
)
91 while (rate
[i
] != 0) {
92 if ((((rate
[i
]) & 0x7f) == 2) || (((rate
[i
]) & 0x7f) == 4) ||
93 (((rate
[i
]) & 0x7f) == 11) || (((rate
[i
]) & 0x7f) == 22))
100 uint
rtw_is_cckratesonly_included(u8
*rate
)
104 while (rate
[i
] != 0) {
105 if ((((rate
[i
]) & 0x7f) != 2) && (((rate
[i
]) & 0x7f) != 4) &&
106 (((rate
[i
]) & 0x7f) != 11) && (((rate
[i
]) & 0x7f) != 22))
114 int rtw_check_network_type(unsigned char *rate
, int ratelen
, int channel
)
117 if ((rtw_is_cckrates_included(rate
)) == true)
118 return WIRELESS_INVALID
;
121 } else { /* could be pure B, pure G, or B/G */
122 if ((rtw_is_cckratesonly_included(rate
)) == true)
124 else if ((rtw_is_cckrates_included(rate
)) == true)
125 return WIRELESS_11BG
;
131 u8
*rtw_set_fixed_ie(unsigned char *pbuf
, unsigned int len
, unsigned char *source
,
134 memcpy((void *)pbuf
, (void *)source
, len
);
135 *frlen
= *frlen
+ len
;
139 /* rtw_set_ie will update frame length */
146 uint
*frlen
/* frame length */
151 *(pbuf
+ 1) = (u8
)len
;
154 memcpy((void *)(pbuf
+ 2), (void *)source
, len
);
156 *frlen
= *frlen
+ (len
+ 2);
158 return pbuf
+ len
+ 2;
161 inline u8
*rtw_set_ie_ch_switch(u8
*buf
, u32
*buf_len
, u8 ch_switch_mode
,
162 u8 new_ch
, u8 ch_switch_cnt
)
166 ie_data
[0] = ch_switch_mode
;
168 ie_data
[2] = ch_switch_cnt
;
169 return rtw_set_ie(buf
, WLAN_EID_CHANNEL_SWITCH
, 3, ie_data
, buf_len
);
172 inline u8
secondary_ch_offset_to_hal_ch_offset(u8 ch_offset
)
174 if (ch_offset
== SCN
)
175 return HAL_PRIME_CHNL_OFFSET_DONT_CARE
;
176 else if (ch_offset
== SCA
)
177 return HAL_PRIME_CHNL_OFFSET_UPPER
;
178 else if (ch_offset
== SCB
)
179 return HAL_PRIME_CHNL_OFFSET_LOWER
;
181 return HAL_PRIME_CHNL_OFFSET_DONT_CARE
;
184 inline u8
hal_ch_offset_to_secondary_ch_offset(u8 ch_offset
)
186 if (ch_offset
== HAL_PRIME_CHNL_OFFSET_DONT_CARE
)
188 else if (ch_offset
== HAL_PRIME_CHNL_OFFSET_LOWER
)
190 else if (ch_offset
== HAL_PRIME_CHNL_OFFSET_UPPER
)
196 inline u8
*rtw_set_ie_secondary_ch_offset(u8
*buf
, u32
*buf_len
, u8 secondary_ch_offset
)
198 return rtw_set_ie(buf
, WLAN_EID_SECONDARY_CHANNEL_OFFSET
, 1, &secondary_ch_offset
, buf_len
);
201 inline u8
*rtw_set_ie_mesh_ch_switch_parm(u8
*buf
, u32
*buf_len
, u8 ttl
,
202 u8 flags
, u16 reason
, u16 precedence
)
208 *(u16
*)(ie_data
+2) = cpu_to_le16(reason
);
209 *(u16
*)(ie_data
+4) = cpu_to_le16(precedence
);
211 return rtw_set_ie(buf
, 0x118, 6, ie_data
, buf_len
);
214 /*----------------------------------------------------------------------------
215 index: the information element id index, limit is the limit for search
216 -----------------------------------------------------------------------------*/
217 u8
*rtw_get_ie(u8
*pbuf
, int index
, int *len
, int limit
)
243 * rtw_get_ie_ex - Search specific IE from a series of IEs
244 * @in_ie: Address of IEs to search
245 * @in_len: Length limit from in_ie
246 * @eid: Element ID to match
248 * @oui_len: OUI length
249 * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE
250 * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE
252 * Returns: The address of the specific IE found, or NULL
254 u8
*rtw_get_ie_ex(u8
*in_ie
, uint in_len
, u8 eid
, u8
*oui
, u8 oui_len
, u8
*ie
, uint
*ielen
)
257 u8
*target_ie
= NULL
;
263 if (!in_ie
|| in_len
<= 0)
268 while (cnt
< in_len
) {
269 if (eid
== in_ie
[cnt
] && (!oui
|| !memcmp(&in_ie
[cnt
+2], oui
, oui_len
))) {
270 target_ie
= &in_ie
[cnt
];
273 memcpy(ie
, &in_ie
[cnt
], in_ie
[cnt
+1]+2);
276 *ielen
= in_ie
[cnt
+1]+2;
280 cnt
+= in_ie
[cnt
+1]+2; /* goto next */
287 * rtw_ies_remove_ie - Find matching IEs and remove
288 * @ies: Address of IEs to search
289 * @ies_len: Pointer of length of ies, will update to new length
290 * @offset: The offset to start scarch
291 * @eid: Element ID to match
293 * @oui_len: OUI length
295 * Returns: _SUCCESS: ies is updated, _FAIL: not updated
297 int rtw_ies_remove_ie(u8
*ies
, uint
*ies_len
, uint offset
, u8 eid
, u8
*oui
, u8 oui_len
)
305 if (!ies
|| !ies_len
|| *ies_len
<= offset
)
308 start
= ies
+ offset
;
309 search_len
= *ies_len
- offset
;
312 target_ie
= rtw_get_ie_ex(start
, search_len
, eid
, oui
, oui_len
, NULL
, &target_ielen
);
313 if (target_ie
&& target_ielen
) {
314 u8 buf
[MAX_IE_SZ
] = {0};
315 u8
*remain_ies
= target_ie
+ target_ielen
;
316 uint remain_len
= search_len
- (remain_ies
- start
);
318 memcpy(buf
, remain_ies
, remain_len
);
319 memcpy(target_ie
, buf
, remain_len
);
320 *ies_len
= *ies_len
- target_ielen
;
324 search_len
= remain_len
;
333 void rtw_set_supported_rate(u8
*SupportedRates
, uint mode
)
336 memset(SupportedRates
, 0, NDIS_802_11_LENGTH_RATES_EX
);
340 memcpy(SupportedRates
, WIFI_CCKRATES
, IEEE80211_CCK_RATE_LEN
);
345 case WIRELESS_11A_5N
:/* Todo: no basic rate for ofdm ? */
346 memcpy(SupportedRates
, WIFI_OFDMRATES
, IEEE80211_NUM_OFDM_RATESLEN
);
349 case WIRELESS_11G_24N
:
350 case WIRELESS_11_24N
:
351 case WIRELESS_11BG_24N
:
352 memcpy(SupportedRates
, WIFI_CCKRATES
, IEEE80211_CCK_RATE_LEN
);
353 memcpy(SupportedRates
+ IEEE80211_CCK_RATE_LEN
, WIFI_OFDMRATES
, IEEE80211_NUM_OFDM_RATESLEN
);
358 uint
rtw_get_rateset_len(u8
*rateset
)
362 if ((rateset
[i
]) == 0)
371 int rtw_generate_ie(struct registry_priv
*pregistrypriv
)
375 struct wlan_bssid_ex
*pdev_network
= &pregistrypriv
->dev_network
;
376 u8
*ie
= pdev_network
->IEs
;
379 /* timestamp will be inserted by hardware */
383 /* beacon interval : 2bytes */
384 *(__le16
*)ie
= cpu_to_le16((u16
)pdev_network
->Configuration
.BeaconPeriod
);/* BCN_INTERVAL; */
388 /* capability info */
391 *(__le16
*)ie
|= cpu_to_le16(cap_IBSS
);
393 if (pregistrypriv
->preamble
== PREAMBLE_SHORT
)
394 *(__le16
*)ie
|= cpu_to_le16(cap_ShortPremble
);
396 if (pdev_network
->Privacy
)
397 *(__le16
*)ie
|= cpu_to_le16(cap_Privacy
);
403 ie
= rtw_set_ie(ie
, _SSID_IE_
, pdev_network
->Ssid
.SsidLength
, pdev_network
->Ssid
.Ssid
, &sz
);
405 /* supported rates */
406 if (pregistrypriv
->wireless_mode
== WIRELESS_11ABGN
) {
407 if (pdev_network
->Configuration
.DSConfig
> 14)
408 wireless_mode
= WIRELESS_11A_5N
;
410 wireless_mode
= WIRELESS_11BG_24N
;
412 wireless_mode
= pregistrypriv
->wireless_mode
;
415 rtw_set_supported_rate(pdev_network
->SupportedRates
, wireless_mode
);
417 rateLen
= rtw_get_rateset_len(pdev_network
->SupportedRates
);
420 ie
= rtw_set_ie(ie
, _SUPPORTEDRATES_IE_
, 8, pdev_network
->SupportedRates
, &sz
);
421 /* ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz); */
423 ie
= rtw_set_ie(ie
, _SUPPORTEDRATES_IE_
, rateLen
, pdev_network
->SupportedRates
, &sz
);
426 /* DS parameter set */
427 ie
= rtw_set_ie(ie
, _DSSET_IE_
, 1, (u8
*)&(pdev_network
->Configuration
.DSConfig
), &sz
);
429 /* IBSS Parameter Set */
431 ie
= rtw_set_ie(ie
, _IBSS_PARA_IE_
, 2, (u8
*)&(pdev_network
->Configuration
.ATIMWindow
), &sz
);
434 ie
= rtw_set_ie(ie
, _EXT_SUPPORTEDRATES_IE_
, (rateLen
- 8), (pdev_network
->SupportedRates
+ 8), &sz
);
439 unsigned char *rtw_get_wpa_ie(unsigned char *pie
, int *wpa_ie_len
, int limit
)
444 unsigned char wpa_oui_type
[] = {0x00, 0x50, 0xf2, 0x01};
446 int limit_new
= limit
;
449 pbuf
= rtw_get_ie(pbuf
, _WPA_IE_ID_
, &len
, limit_new
);
452 /* check if oui matches... */
453 if (!memcmp((pbuf
+ 2), wpa_oui_type
, sizeof(wpa_oui_type
)) == false)
456 /* check version... */
457 memcpy((u8
*)&le_tmp
, (pbuf
+ 6), sizeof(val16
));
459 val16
= le16_to_cpu(le_tmp
);
462 *wpa_ie_len
= *(pbuf
+ 1);
470 limit_new
= limit
- (pbuf
- pie
) - 2 - len
;
479 unsigned char *rtw_get_wpa2_ie(unsigned char *pie
, int *rsn_ie_len
, int limit
)
482 return rtw_get_ie(pie
, _WPA2_IE_ID_
, rsn_ie_len
, limit
);
485 int rtw_get_wpa_cipher_suite(u8
*s
)
487 if (!memcmp(s
, WPA_CIPHER_SUITE_NONE
, WPA_SELECTOR_LEN
))
488 return WPA_CIPHER_NONE
;
489 if (!memcmp(s
, WPA_CIPHER_SUITE_WEP40
, WPA_SELECTOR_LEN
))
490 return WPA_CIPHER_WEP40
;
491 if (!memcmp(s
, WPA_CIPHER_SUITE_TKIP
, WPA_SELECTOR_LEN
))
492 return WPA_CIPHER_TKIP
;
493 if (!memcmp(s
, WPA_CIPHER_SUITE_CCMP
, WPA_SELECTOR_LEN
))
494 return WPA_CIPHER_CCMP
;
495 if (!memcmp(s
, WPA_CIPHER_SUITE_WEP104
, WPA_SELECTOR_LEN
))
496 return WPA_CIPHER_WEP104
;
501 int rtw_get_wpa2_cipher_suite(u8
*s
)
503 if (!memcmp(s
, RSN_CIPHER_SUITE_NONE
, RSN_SELECTOR_LEN
))
504 return WPA_CIPHER_NONE
;
505 if (!memcmp(s
, RSN_CIPHER_SUITE_WEP40
, RSN_SELECTOR_LEN
))
506 return WPA_CIPHER_WEP40
;
507 if (!memcmp(s
, RSN_CIPHER_SUITE_TKIP
, RSN_SELECTOR_LEN
))
508 return WPA_CIPHER_TKIP
;
509 if (!memcmp(s
, RSN_CIPHER_SUITE_CCMP
, RSN_SELECTOR_LEN
))
510 return WPA_CIPHER_CCMP
;
511 if (!memcmp(s
, RSN_CIPHER_SUITE_WEP104
, RSN_SELECTOR_LEN
))
512 return WPA_CIPHER_WEP104
;
518 int rtw_parse_wpa_ie(u8
*wpa_ie
, int wpa_ie_len
, int *group_cipher
, int *pairwise_cipher
, int *is_8021x
)
520 int i
, ret
= _SUCCESS
;
523 u8 SUITE_1X
[4] = {0x00, 0x50, 0xf2, 1};
525 if (wpa_ie_len
<= 0) {
526 /* No WPA IE - fail silently */
531 if ((*wpa_ie
!= _WPA_IE_ID_
) || (*(wpa_ie
+1) != (u8
)(wpa_ie_len
- 2)) ||
532 (memcmp(wpa_ie
+2, RTW_WPA_OUI_TYPE
, WPA_SELECTOR_LEN
)))
538 left
= wpa_ie_len
- 8;
542 if (left
>= WPA_SELECTOR_LEN
) {
543 *group_cipher
= rtw_get_wpa_cipher_suite(pos
);
544 pos
+= WPA_SELECTOR_LEN
;
545 left
-= WPA_SELECTOR_LEN
;
546 } else if (left
> 0) {
547 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie length mismatch, %u too much", __func__
, left
));
551 /* pairwise_cipher */
553 count
= get_unaligned_le16(pos
);
557 if (count
== 0 || left
< count
* WPA_SELECTOR_LEN
) {
558 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie count botch (pairwise), "
559 "count %u left %u", __func__
, count
, left
));
563 for (i
= 0; i
< count
; i
++) {
564 *pairwise_cipher
|= rtw_get_wpa_cipher_suite(pos
);
566 pos
+= WPA_SELECTOR_LEN
;
567 left
-= WPA_SELECTOR_LEN
;
569 } else if (left
== 1) {
570 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie too short (for key mgmt)", __func__
));
577 if (!memcmp(pos
, SUITE_1X
, 4)) {
578 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("%s : there has 802.1x auth\n", __func__
));
587 int rtw_parse_wpa2_ie(u8
*rsn_ie
, int rsn_ie_len
, int *group_cipher
, int *pairwise_cipher
, int *is_8021x
)
589 int i
, ret
= _SUCCESS
;
592 u8 SUITE_1X
[4] = {0x00, 0x0f, 0xac, 0x01};
594 if (rsn_ie_len
<= 0) {
595 /* No RSN IE - fail silently */
600 if ((*rsn_ie
!= _WPA2_IE_ID_
) || (*(rsn_ie
+1) != (u8
)(rsn_ie_len
- 2)))
605 left
= rsn_ie_len
- 4;
608 if (left
>= RSN_SELECTOR_LEN
) {
609 *group_cipher
= rtw_get_wpa2_cipher_suite(pos
);
611 pos
+= RSN_SELECTOR_LEN
;
612 left
-= RSN_SELECTOR_LEN
;
614 } else if (left
> 0) {
615 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie length mismatch, %u too much", __func__
, left
));
619 /* pairwise_cipher */
621 count
= get_unaligned_le16(pos
);
625 if (count
== 0 || left
< count
* RSN_SELECTOR_LEN
) {
626 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie count botch (pairwise), "
627 "count %u left %u", __func__
, count
, left
));
631 for (i
= 0; i
< count
; i
++) {
632 *pairwise_cipher
|= rtw_get_wpa2_cipher_suite(pos
);
634 pos
+= RSN_SELECTOR_LEN
;
635 left
-= RSN_SELECTOR_LEN
;
638 } else if (left
== 1) {
639 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_err_
, ("%s: ie too short (for key mgmt)", __func__
));
647 if (!memcmp(pos
, SUITE_1X
, 4)) {
648 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("%s (): there has 802.1x auth\n", __func__
));
656 int rtw_get_sec_ie(u8
*in_ie
, uint in_len
, u8
*rsn_ie
, u16
*rsn_len
, u8
*wpa_ie
, u16
*wpa_len
)
658 u8 authmode
, sec_idx
, i
;
659 u8 wpa_oui
[4] = {0x0, 0x50, 0xf2, 0x01};
663 /* Search required WPA or WPA2 IE and copy to sec_ie[] */
665 cnt
= _TIMESTAMP_
+ _BEACON_ITERVAL_
+ _CAPABILITY_
;
669 while (cnt
< in_len
) {
670 authmode
= in_ie
[cnt
];
672 if ((authmode
== _WPA_IE_ID_
) && (!memcmp(&in_ie
[cnt
+2], &wpa_oui
[0], 4))) {
673 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
,
674 ("\n rtw_get_wpa_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n",
675 sec_idx
, in_ie
[cnt
+1]+2));
678 memcpy(wpa_ie
, &in_ie
[cnt
], in_ie
[cnt
+1]+2);
680 for (i
= 0; i
< (in_ie
[cnt
+1]+2); i
+= 8) {
681 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
,
682 ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
683 wpa_ie
[i
], wpa_ie
[i
+1], wpa_ie
[i
+2], wpa_ie
[i
+3], wpa_ie
[i
+4],
684 wpa_ie
[i
+5], wpa_ie
[i
+6], wpa_ie
[i
+7]));
688 *wpa_len
= in_ie
[cnt
+1]+2;
689 cnt
+= in_ie
[cnt
+1]+2; /* get next */
691 if (authmode
== _WPA2_IE_ID_
) {
692 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
,
693 ("\n get_rsn_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n",
694 sec_idx
, in_ie
[cnt
+1]+2));
697 memcpy(rsn_ie
, &in_ie
[cnt
], in_ie
[cnt
+1]+2);
699 for (i
= 0; i
< (in_ie
[cnt
+1]+2); i
+= 8) {
700 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
,
701 ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
702 rsn_ie
[i
], rsn_ie
[i
+1], rsn_ie
[i
+2], rsn_ie
[i
+3], rsn_ie
[i
+4],
703 rsn_ie
[i
+5], rsn_ie
[i
+6], rsn_ie
[i
+7]));
707 *rsn_len
= in_ie
[cnt
+1]+2;
708 cnt
+= in_ie
[cnt
+1]+2; /* get next */
710 cnt
+= in_ie
[cnt
+1]+2; /* get next */
716 return *rsn_len
+ *wpa_len
;
719 u8
rtw_is_wps_ie(u8
*ie_ptr
, uint
*wps_ielen
)
722 u8 eid
, wps_oui
[4] = {0x0, 0x50, 0xf2, 0x04};
729 if ((eid
== _WPA_IE_ID_
) && (!memcmp(&ie_ptr
[2], wps_oui
, 4))) {
730 *wps_ielen
= ie_ptr
[1]+2;
737 * rtw_get_wps_ie - Search WPS IE from a series of IEs
738 * @in_ie: Address of IEs to search
739 * @in_len: Length limit from in_ie
740 * @wps_ie: If not NULL and WPS IE is found, WPS IE will be copied to the buf starting from wps_ie
741 * @wps_ielen: If not NULL and WPS IE is found, will set to the length of the entire WPS IE
743 * Returns: The address of the WPS IE found, or NULL
745 u8
*rtw_get_wps_ie(u8
*in_ie
, uint in_len
, u8
*wps_ie
, uint
*wps_ielen
)
748 u8
*wpsie_ptr
= NULL
;
749 u8 eid
, wps_oui
[4] = {0x0, 0x50, 0xf2, 0x04};
754 if (!in_ie
|| in_len
<= 0)
759 while (cnt
< in_len
) {
762 if ((eid
== _WPA_IE_ID_
) && (!memcmp(&in_ie
[cnt
+2], wps_oui
, 4))) {
763 wpsie_ptr
= &in_ie
[cnt
];
766 memcpy(wps_ie
, &in_ie
[cnt
], in_ie
[cnt
+1]+2);
769 *wps_ielen
= in_ie
[cnt
+1]+2;
771 cnt
+= in_ie
[cnt
+1]+2;
775 cnt
+= in_ie
[cnt
+1]+2; /* goto next */
782 * rtw_get_wps_attr - Search a specific WPS attribute from a given WPS IE
783 * @wps_ie: Address of WPS IE to search
784 * @wps_ielen: Length limit from wps_ie
785 * @target_attr_id: The attribute ID of WPS attribute to search
786 * @buf_attr: If not NULL and the WPS attribute is found, WPS attribute will be copied to the buf starting from buf_attr
787 * @len_attr: If not NULL and the WPS attribute is found, will set to the length of the entire WPS attribute
789 * Returns: the address of the specific WPS attribute found, or NULL
791 u8
*rtw_get_wps_attr(u8
*wps_ie
, uint wps_ielen
, u16 target_attr_id
, u8
*buf_attr
, u32
*len_attr
)
794 u8
*target_attr_ptr
= NULL
;
795 u8 wps_oui
[4] = {0x00, 0x50, 0xF2, 0x04};
800 if ((wps_ie
[0] != _VENDOR_SPECIFIC_IE_
) ||
801 (memcmp(wps_ie
+ 2, wps_oui
, 4)))
804 /* 6 = 1(Element ID) + 1(Length) + 4(WPS OUI) */
805 attr_ptr
= wps_ie
+ 6; /* goto first attr */
807 while (attr_ptr
- wps_ie
< wps_ielen
) {
808 /* 4 = 2(Attribute ID) + 2(Length) */
809 u16 attr_id
= get_unaligned_be16(attr_ptr
);
810 u16 attr_data_len
= get_unaligned_be16(attr_ptr
+ 2);
811 u16 attr_len
= attr_data_len
+ 4;
813 if (attr_id
== target_attr_id
) {
814 target_attr_ptr
= attr_ptr
;
816 memcpy(buf_attr
, attr_ptr
, attr_len
);
818 *len_attr
= attr_len
;
821 attr_ptr
+= attr_len
; /* goto next */
824 return target_attr_ptr
;
828 * rtw_get_wps_attr_content - Search a specific WPS attribute content from a given WPS IE
829 * @wps_ie: Address of WPS IE to search
830 * @wps_ielen: Length limit from wps_ie
831 * @target_attr_id: The attribute ID of WPS attribute to search
832 * @buf_content: If not NULL and the WPS attribute is found, WPS attribute content will be copied to the buf starting from buf_content
833 * @len_content: If not NULL and the WPS attribute is found, will set to the length of the WPS attribute content
835 * Returns: the address of the specific WPS attribute content found, or NULL
837 u8
*rtw_get_wps_attr_content(u8
*wps_ie
, uint wps_ielen
, u16 target_attr_id
, u8
*buf_content
, uint
*len_content
)
845 attr_ptr
= rtw_get_wps_attr(wps_ie
, wps_ielen
, target_attr_id
, NULL
, &attr_len
);
847 if (attr_ptr
&& attr_len
) {
849 memcpy(buf_content
, attr_ptr
+4, attr_len
-4);
852 *len_content
= attr_len
-4;
860 static int rtw_ieee802_11_parse_vendor_specific(u8
*pos
, uint elen
,
861 struct rtw_ieee802_11_elems
*elems
,
866 /* first 3 bytes in vendor specific information element are the IEEE
867 * OUI of the vendor. The following byte is used a vendor specific
871 DBG_88E("short vendor specific information element ignored (len=%lu)\n",
872 (unsigned long)elen
);
877 oui
= RTW_GET_BE24(pos
);
880 /* Microsoft/Wi-Fi information elements are further typed and
884 /* Microsoft OUI (00:50:F2) with OUI Type 1:
885 * real WPA information element */
887 elems
->wpa_ie_len
= elen
;
889 case WME_OUI_TYPE
: /* this is a Wi-Fi WME info. element */
891 DBG_88E("short WME information element ignored (len=%lu)\n",
892 (unsigned long)elen
);
896 case WME_OUI_SUBTYPE_INFORMATION_ELEMENT
:
897 case WME_OUI_SUBTYPE_PARAMETER_ELEMENT
:
899 elems
->wme_len
= elen
;
901 case WME_OUI_SUBTYPE_TSPEC_ELEMENT
:
902 elems
->wme_tspec
= pos
;
903 elems
->wme_tspec_len
= elen
;
906 DBG_88E("unknown WME information element ignored (subtype=%d len=%lu)\n",
907 pos
[4], (unsigned long)elen
);
912 /* Wi-Fi Protected Setup (WPS) IE */
914 elems
->wps_ie_len
= elen
;
917 DBG_88E("Unknown Microsoft information element ignored (type=%d len=%lu)\n",
918 pos
[3], (unsigned long)elen
);
925 case VENDOR_HT_CAPAB_OUI_TYPE
:
926 elems
->vendor_ht_cap
= pos
;
927 elems
->vendor_ht_cap_len
= elen
;
930 DBG_88E("Unknown Broadcom information element ignored (type=%d len=%lu)\n",
931 pos
[3], (unsigned long)elen
);
936 DBG_88E("unknown vendor specific information element ignored (vendor OUI %02x:%02x:%02x len=%lu)\n",
937 pos
[0], pos
[1], pos
[2], (unsigned long)elen
);
944 * ieee802_11_parse_elems - Parse information elements in management frames
945 * @start: Pointer to the start of IEs
946 * @len: Length of IE buffer in octets
947 * @elems: Data structure for parsed elements
948 * @show_errors: Whether to show parsing errors in debug log
949 * Returns: Parsing result
951 enum parse_res
rtw_ieee802_11_parse_elems(u8
*start
, uint len
,
952 struct rtw_ieee802_11_elems
*elems
,
959 memset(elems
, 0, sizeof(*elems
));
970 DBG_88E("IEEE 802.11 element parse failed (id=%d elen=%d left=%lu)\n",
971 id
, elen
, (unsigned long)left
);
979 elems
->ssid_len
= elen
;
981 case WLAN_EID_SUPP_RATES
:
982 elems
->supp_rates
= pos
;
983 elems
->supp_rates_len
= elen
;
985 case WLAN_EID_FH_PARAMS
:
986 elems
->fh_params
= pos
;
987 elems
->fh_params_len
= elen
;
989 case WLAN_EID_DS_PARAMS
:
990 elems
->ds_params
= pos
;
991 elems
->ds_params_len
= elen
;
993 case WLAN_EID_CF_PARAMS
:
994 elems
->cf_params
= pos
;
995 elems
->cf_params_len
= elen
;
999 elems
->tim_len
= elen
;
1001 case WLAN_EID_IBSS_PARAMS
:
1002 elems
->ibss_params
= pos
;
1003 elems
->ibss_params_len
= elen
;
1005 case WLAN_EID_CHALLENGE
:
1006 elems
->challenge
= pos
;
1007 elems
->challenge_len
= elen
;
1009 case WLAN_EID_ERP_INFO
:
1010 elems
->erp_info
= pos
;
1011 elems
->erp_info_len
= elen
;
1013 case WLAN_EID_EXT_SUPP_RATES
:
1014 elems
->ext_supp_rates
= pos
;
1015 elems
->ext_supp_rates_len
= elen
;
1017 case WLAN_EID_VENDOR_SPECIFIC
:
1018 if (rtw_ieee802_11_parse_vendor_specific(pos
, elen
, elems
, show_errors
))
1022 elems
->rsn_ie
= pos
;
1023 elems
->rsn_ie_len
= elen
;
1025 case WLAN_EID_PWR_CAPABILITY
:
1026 elems
->power_cap
= pos
;
1027 elems
->power_cap_len
= elen
;
1029 case WLAN_EID_SUPPORTED_CHANNELS
:
1030 elems
->supp_channels
= pos
;
1031 elems
->supp_channels_len
= elen
;
1033 case WLAN_EID_MOBILITY_DOMAIN
:
1035 elems
->mdie_len
= elen
;
1037 case WLAN_EID_FAST_BSS_TRANSITION
:
1039 elems
->ftie_len
= elen
;
1041 case WLAN_EID_TIMEOUT_INTERVAL
:
1042 elems
->timeout_int
= pos
;
1043 elems
->timeout_int_len
= elen
;
1045 case WLAN_EID_HT_CAP
:
1046 elems
->ht_capabilities
= pos
;
1047 elems
->ht_capabilities_len
= elen
;
1049 case WLAN_EID_HT_OPERATION
:
1050 elems
->ht_operation
= pos
;
1051 elems
->ht_operation_len
= elen
;
1057 DBG_88E("IEEE 802.11 element parse ignored unknown element (id=%d elen=%d)\n",
1066 return unknown
? ParseUnknown
: ParseOK
;
1069 void rtw_macaddr_cfg(u8
*mac_addr
)
1073 if (mac_addr
== NULL
)
1076 if (rtw_initmac
&& mac_pton(rtw_initmac
, mac
)) {
1077 /* Users specify the mac address */
1078 memcpy(mac_addr
, mac
, ETH_ALEN
);
1080 /* Use the mac address stored in the Efuse */
1081 memcpy(mac
, mac_addr
, ETH_ALEN
);
1084 if (((mac
[0] == 0xff) && (mac
[1] == 0xff) && (mac
[2] == 0xff) &&
1085 (mac
[3] == 0xff) && (mac
[4] == 0xff) && (mac
[5] == 0xff)) ||
1086 ((mac
[0] == 0x0) && (mac
[1] == 0x0) && (mac
[2] == 0x0) &&
1087 (mac
[3] == 0x0) && (mac
[4] == 0x0) && (mac
[5] == 0x0))) {
1094 /* use default mac address */
1095 memcpy(mac_addr
, mac
, ETH_ALEN
);
1096 DBG_88E("MAC Address from efuse error, assign default one !!!\n");
1099 DBG_88E("rtw_macaddr_cfg MAC Address = %pM\n", (mac_addr
));
1102 void dump_ies(u8
*buf
, u32 buf_len
)
1104 u8
*pos
= (u8
*)buf
;
1107 while (pos
-buf
<= buf_len
) {
1111 DBG_88E("%s ID:%u, LEN:%u\n", __func__
, id
, len
);
1112 dump_wps_ie(pos
, len
);
1118 void dump_wps_ie(u8
*ie
, u32 ie_len
)
1126 wps_ie
= rtw_get_wps_ie(ie
, ie_len
, NULL
, &wps_ielen
);
1127 if (wps_ie
!= ie
|| wps_ielen
== 0)
1131 while (pos
-ie
< ie_len
) {
1132 id
= get_unaligned_be16(pos
);
1133 len
= get_unaligned_be16(pos
+ 2);
1134 DBG_88E("%s ID:0x%04x, LEN:%u\n", __func__
, id
, len
);
1139 /* Baron adds to avoid FreeBSD warning */
1140 int ieee80211_is_empty_essid(const char *essid
, int essid_len
)
1142 /* Single white space is for Linksys APs */
1143 if (essid_len
== 1 && essid
[0] == ' ')
1146 /* Otherwise, if the entire essid is 0, we assume it is hidden */
1149 if (essid
[essid_len
] != '\0')
1156 int ieee80211_get_hdrlen(u16 fc
)
1160 switch (WLAN_FC_GET_TYPE(fc
)) {
1161 case RTW_IEEE80211_FTYPE_DATA
:
1162 if (fc
& RTW_IEEE80211_STYPE_QOS_DATA
)
1164 if ((fc
& RTW_IEEE80211_FCTL_FROMDS
) && (fc
& RTW_IEEE80211_FCTL_TODS
))
1165 hdrlen
+= 6; /* Addr4 */
1167 case RTW_IEEE80211_FTYPE_CTL
:
1168 switch (WLAN_FC_GET_STYPE(fc
)) {
1169 case RTW_IEEE80211_STYPE_CTS
:
1170 case RTW_IEEE80211_STYPE_ACK
:
1183 static int rtw_get_cipher_info(struct wlan_network
*pnetwork
)
1186 unsigned char *pbuf
;
1187 int group_cipher
= 0, pairwise_cipher
= 0, is8021x
= 0;
1189 pbuf
= rtw_get_wpa_ie(&pnetwork
->network
.IEs
[12], &wpa_ielen
, pnetwork
->network
.IELength
-12);
1191 if (pbuf
&& (wpa_ielen
> 0)) {
1192 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_cipher_info: wpa_ielen: %d", wpa_ielen
));
1193 if (_SUCCESS
== rtw_parse_wpa_ie(pbuf
, wpa_ielen
+2, &group_cipher
, &pairwise_cipher
, &is8021x
)) {
1194 pnetwork
->BcnInfo
.pairwise_cipher
= pairwise_cipher
;
1195 pnetwork
->BcnInfo
.group_cipher
= group_cipher
;
1196 pnetwork
->BcnInfo
.is_8021x
= is8021x
;
1197 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("%s: pnetwork->pairwise_cipher: %d, is_8021x is %d",
1198 __func__
, pnetwork
->BcnInfo
.pairwise_cipher
, pnetwork
->BcnInfo
.is_8021x
));
1202 pbuf
= rtw_get_wpa2_ie(&pnetwork
->network
.IEs
[12], &wpa_ielen
, pnetwork
->network
.IELength
-12);
1204 if (pbuf
&& (wpa_ielen
> 0)) {
1205 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("get RSN IE\n"));
1206 if (_SUCCESS
== rtw_parse_wpa2_ie(pbuf
, wpa_ielen
+2, &group_cipher
, &pairwise_cipher
, &is8021x
)) {
1207 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("get RSN IE OK!!!\n"));
1208 pnetwork
->BcnInfo
.pairwise_cipher
= pairwise_cipher
;
1209 pnetwork
->BcnInfo
.group_cipher
= group_cipher
;
1210 pnetwork
->BcnInfo
.is_8021x
= is8021x
;
1211 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("%s: pnetwork->pairwise_cipher: %d,"
1212 "pnetwork->group_cipher is %d, is_8021x is %d", __func__
, pnetwork
->BcnInfo
.pairwise_cipher
,
1213 pnetwork
->BcnInfo
.group_cipher
, pnetwork
->BcnInfo
.is_8021x
));
1222 void rtw_get_bcn_info(struct wlan_network
*pnetwork
)
1224 unsigned short cap
= 0;
1227 u16 wpa_len
= 0, rsn_len
= 0;
1228 struct HT_info_element
*pht_info
= NULL
;
1229 struct rtw_ieee80211_ht_cap
*pht_cap
= NULL
;
1233 memcpy(&le_tmp
, rtw_get_capability_from_ie(pnetwork
->network
.IEs
), 2);
1234 cap
= le16_to_cpu(le_tmp
);
1235 if (cap
& WLAN_CAPABILITY_PRIVACY
) {
1237 pnetwork
->network
.Privacy
= 1;
1239 pnetwork
->BcnInfo
.encryp_protocol
= ENCRYP_PROTOCOL_OPENSYS
;
1241 rtw_get_sec_ie(pnetwork
->network
.IEs
, pnetwork
->network
.IELength
, NULL
, &rsn_len
, NULL
, &wpa_len
);
1242 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: ssid =%s\n", pnetwork
->network
.Ssid
.Ssid
));
1243 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len
, rsn_len
));
1244 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: ssid =%s\n", pnetwork
->network
.Ssid
.Ssid
));
1245 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len
, rsn_len
));
1248 pnetwork
->BcnInfo
.encryp_protocol
= ENCRYP_PROTOCOL_WPA2
;
1249 } else if (wpa_len
> 0) {
1250 pnetwork
->BcnInfo
.encryp_protocol
= ENCRYP_PROTOCOL_WPA
;
1253 pnetwork
->BcnInfo
.encryp_protocol
= ENCRYP_PROTOCOL_WEP
;
1255 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
1256 pnetwork
->BcnInfo
.encryp_protocol
));
1257 RT_TRACE(_module_rtl871x_mlme_c_
, _drv_info_
, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
1258 pnetwork
->BcnInfo
.encryp_protocol
));
1259 rtw_get_cipher_info(pnetwork
);
1261 /* get bwmode and ch_offset */
1262 /* parsing HT_CAP_IE */
1263 p
= rtw_get_ie(pnetwork
->network
.IEs
+ _FIXED_IE_LENGTH_
, _HT_CAPABILITY_IE_
, &len
, pnetwork
->network
.IELength
- _FIXED_IE_LENGTH_
);
1265 pht_cap
= (struct rtw_ieee80211_ht_cap
*)(p
+ 2);
1266 pnetwork
->BcnInfo
.ht_cap_info
= pht_cap
->cap_info
;
1268 pnetwork
->BcnInfo
.ht_cap_info
= 0;
1270 /* parsing HT_INFO_IE */
1271 p
= rtw_get_ie(pnetwork
->network
.IEs
+ _FIXED_IE_LENGTH_
, _HT_ADD_INFO_IE_
, &len
, pnetwork
->network
.IELength
- _FIXED_IE_LENGTH_
);
1273 pht_info
= (struct HT_info_element
*)(p
+ 2);
1274 pnetwork
->BcnInfo
.ht_info_infos_0
= pht_info
->infos
[0];
1276 pnetwork
->BcnInfo
.ht_info_infos_0
= 0;
1280 /* show MCS rate, unit: 100Kbps */
1281 u16
rtw_mcs_rate(u8 rf_type
, u8 bw_40MHz
, u8 short_GI_20
, u8 short_GI_40
, unsigned char *MCS_rate
)
1285 if (rf_type
== RF_1T1R
) {
1286 if (MCS_rate
[0] & BIT(7))
1287 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1500 : 1350) : ((short_GI_20
) ? 722 : 650);
1288 else if (MCS_rate
[0] & BIT(6))
1289 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1350 : 1215) : ((short_GI_20
) ? 650 : 585);
1290 else if (MCS_rate
[0] & BIT(5))
1291 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1200 : 1080) : ((short_GI_20
) ? 578 : 520);
1292 else if (MCS_rate
[0] & BIT(4))
1293 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 900 : 810) : ((short_GI_20
) ? 433 : 390);
1294 else if (MCS_rate
[0] & BIT(3))
1295 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 600 : 540) : ((short_GI_20
) ? 289 : 260);
1296 else if (MCS_rate
[0] & BIT(2))
1297 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 450 : 405) : ((short_GI_20
) ? 217 : 195);
1298 else if (MCS_rate
[0] & BIT(1))
1299 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 300 : 270) : ((short_GI_20
) ? 144 : 130);
1300 else if (MCS_rate
[0] & BIT(0))
1301 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 150 : 135) : ((short_GI_20
) ? 72 : 65);
1304 if (MCS_rate
[1] & BIT(7))
1305 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 3000 : 2700) : ((short_GI_20
) ? 1444 : 1300);
1306 else if (MCS_rate
[1] & BIT(6))
1307 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 2700 : 2430) : ((short_GI_20
) ? 1300 : 1170);
1308 else if (MCS_rate
[1] & BIT(5))
1309 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 2400 : 2160) : ((short_GI_20
) ? 1156 : 1040);
1310 else if (MCS_rate
[1] & BIT(4))
1311 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1800 : 1620) : ((short_GI_20
) ? 867 : 780);
1312 else if (MCS_rate
[1] & BIT(3))
1313 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1200 : 1080) : ((short_GI_20
) ? 578 : 520);
1314 else if (MCS_rate
[1] & BIT(2))
1315 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 900 : 810) : ((short_GI_20
) ? 433 : 390);
1316 else if (MCS_rate
[1] & BIT(1))
1317 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 600 : 540) : ((short_GI_20
) ? 289 : 260);
1318 else if (MCS_rate
[1] & BIT(0))
1319 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 300 : 270) : ((short_GI_20
) ? 144 : 130);
1321 if (MCS_rate
[0] & BIT(7))
1322 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1500 : 1350) : ((short_GI_20
) ? 722 : 650);
1323 else if (MCS_rate
[0] & BIT(6))
1324 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1350 : 1215) : ((short_GI_20
) ? 650 : 585);
1325 else if (MCS_rate
[0] & BIT(5))
1326 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 1200 : 1080) : ((short_GI_20
) ? 578 : 520);
1327 else if (MCS_rate
[0] & BIT(4))
1328 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 900 : 810) : ((short_GI_20
) ? 433 : 390);
1329 else if (MCS_rate
[0] & BIT(3))
1330 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 600 : 540) : ((short_GI_20
) ? 289 : 260);
1331 else if (MCS_rate
[0] & BIT(2))
1332 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 450 : 405) : ((short_GI_20
) ? 217 : 195);
1333 else if (MCS_rate
[0] & BIT(1))
1334 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 300 : 270) : ((short_GI_20
) ? 144 : 130);
1335 else if (MCS_rate
[0] & BIT(0))
1336 max_rate
= (bw_40MHz
) ? ((short_GI_40
) ? 150 : 135) : ((short_GI_20
) ? 72 : 65);
1342 int rtw_action_frame_parse(const u8
*frame
, u32 frame_len
, u8
*category
, u8
*action
)
1344 const u8
*frame_body
= frame
+ sizeof(struct rtw_ieee80211_hdr_3addr
);
1348 fc
= le16_to_cpu(((struct rtw_ieee80211_hdr_3addr
*)frame
)->frame_ctl
);
1350 if ((fc
& (RTW_IEEE80211_FCTL_FTYPE
|RTW_IEEE80211_FCTL_STYPE
)) !=
1351 (RTW_IEEE80211_FTYPE_MGMT
|RTW_IEEE80211_STYPE_ACTION
))
1357 case RTW_WLAN_CATEGORY_P2P
: /* vendor-specific */
1371 static const char *_action_public_str
[] = {
1372 "ACT_PUB_BSSCOEXIST",
1373 "ACT_PUB_DSE_ENABLE",
1374 "ACT_PUB_DSE_DEENABLE",
1375 "ACT_PUB_DSE_REG_LOCATION",
1376 "ACT_PUB_EXT_CHL_SWITCH",
1377 "ACT_PUB_DSE_MSR_REQ",
1378 "ACT_PUB_DSE_MSR_RPRT",
1380 "ACT_PUB_DSE_PWR_CONSTRAINT",
1382 "ACT_PUB_GAS_INITIAL_REQ",
1383 "ACT_PUB_GAS_INITIAL_RSP",
1384 "ACT_PUB_GAS_COMEBACK_REQ",
1385 "ACT_PUB_GAS_COMEBACK_RSP",
1386 "ACT_PUB_TDLS_DISCOVERY_RSP",
1387 "ACT_PUB_LOCATION_TRACK",
1391 const char *action_public_str(u8 action
)
1393 action
= (action
>= ACT_PUBLIC_MAX
) ? ACT_PUBLIC_MAX
: action
;
1394 return _action_public_str
[action
];