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path: root/drivers/staging/rtl8723au/core/rtw_ieee80211.c
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Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_ieee80211.c')
-rw-r--r--drivers/staging/rtl8723au/core/rtw_ieee80211.c855
1 files changed, 0 insertions, 855 deletions
diff --git a/drivers/staging/rtl8723au/core/rtw_ieee80211.c b/drivers/staging/rtl8723au/core/rtw_ieee80211.c
deleted file mode 100644
index 07a6490a83d6..000000000000
--- a/drivers/staging/rtl8723au/core/rtw_ieee80211.c
+++ /dev/null
@@ -1,855 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- ******************************************************************************/
-#define _IEEE80211_C
-
-#include <drv_types.h>
-#include <linux/ieee80211.h>
-#include <ieee80211.h>
-#include <wifi.h>
-#include <osdep_service.h>
-#include <wlan_bssdef.h>
-
-u8 RTW_WPA_OUI23A_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
-u16 RTW_WPA_VERSION23A = 1;
-u8 WPA_AUTH_KEY_MGMT_NONE23A[] = { 0x00, 0x50, 0xf2, 0 };
-u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X23A[] = { 0x00, 0x50, 0xf2, 1 };
-u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X23A[] = { 0x00, 0x50, 0xf2, 2 };
-u8 WPA_CIPHER_SUITE_NONE23A[] = { 0x00, 0x50, 0xf2, 0 };
-u8 WPA_CIPHER_SUITE_WEP4023A[] = { 0x00, 0x50, 0xf2, 1 };
-u8 WPA_CIPHER_SUITE_TKIP23A[] = { 0x00, 0x50, 0xf2, 2 };
-u8 WPA_CIPHER_SUITE_WRAP23A[] = { 0x00, 0x50, 0xf2, 3 };
-u8 WPA_CIPHER_SUITE_CCMP23A[] = { 0x00, 0x50, 0xf2, 4 };
-u8 WPA_CIPHER_SUITE_WEP10423A[] = { 0x00, 0x50, 0xf2, 5 };
-
-u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X23A[] = { 0x00, 0x0f, 0xac, 1 };
-u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X23A[] = { 0x00, 0x0f, 0xac, 2 };
-u8 RSN_CIPHER_SUITE_NONE23A[] = { 0x00, 0x0f, 0xac, 0 };
-u8 RSN_CIPHER_SUITE_WEP4023A[] = { 0x00, 0x0f, 0xac, 1 };
-u8 RSN_CIPHER_SUITE_TKIP23A[] = { 0x00, 0x0f, 0xac, 2 };
-u8 RSN_CIPHER_SUITE_WRAP23A[] = { 0x00, 0x0f, 0xac, 3 };
-u8 RSN_CIPHER_SUITE_CCMP23A[] = { 0x00, 0x0f, 0xac, 4 };
-u8 RSN_CIPHER_SUITE_WEP10423A[] = { 0x00, 0x0f, 0xac, 5 };
-/* */
-/* for adhoc-master to generate ie and provide supported-rate to fw */
-/* */
-
-static u8 WIFI_CCKRATES[] = {
- IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
- IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
- IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
- IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
-};
-
-static u8 WIFI_OFDMRATES[] = {
- IEEE80211_OFDM_RATE_6MB,
- IEEE80211_OFDM_RATE_9MB,
- IEEE80211_OFDM_RATE_12MB,
- IEEE80211_OFDM_RATE_18MB,
- IEEE80211_OFDM_RATE_24MB,
- IEEE80211_OFDM_RATE_36MB,
- IEEE80211_OFDM_RATE_48MB,
- IEEE80211_OFDM_RATE_54MB
-};
-
-int rtw_get_bit_value_from_ieee_value23a(u8 val)
-{
- unsigned char dot11_rate_table[]=
- {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 0};
-
- int i = 0;
-
- while (dot11_rate_table[i] != 0) {
- if (dot11_rate_table[i] == val)
- return BIT(i);
- i++;
- }
- return 0;
-}
-
-static bool rtw_is_cckrates_included(u8 *rate)
-{
- u32 i = 0;
-
- while (rate[i]) {
- if ((rate[i] & 0x7f) == 2 || (rate[i] & 0x7f) == 4 ||
- (rate[i] & 0x7f) == 11 || (rate[i] & 0x7f) == 22)
- return true;
- i++;
- }
-
- return false;
-}
-
-static bool rtw_is_cckratesonly_included(u8 *rate)
-{
- u32 i = 0;
-
- while (rate[i]) {
- if ((rate[i] & 0x7f) != 2 && (rate[i] & 0x7f) != 4 &&
- (rate[i] & 0x7f) != 11 && (rate[i] & 0x7f) != 22)
- return false;
-
- i++;
- }
-
- return true;
-}
-
-int rtw_check_network_type23a(unsigned char *rate, int ratelen, int channel)
-{
- if (channel > 14) {
- if (rtw_is_cckrates_included(rate))
- return WIRELESS_INVALID;
- else
- return WIRELESS_11A;
- } else { /* could be pure B, pure G, or B/G */
- if (rtw_is_cckratesonly_included(rate))
- return WIRELESS_11B;
- else if (rtw_is_cckrates_included(rate))
- return WIRELESS_11BG;
- else
- return WIRELESS_11G;
- }
-}
-
-/* rtw_set_ie23a will update frame length */
-u8 *rtw_set_ie23a(u8 *pbuf, int index, uint len, const u8 *source, uint *frlen)
-{
-
- *pbuf = (u8)index;
-
- *(pbuf + 1) = (u8)len;
-
- if (len > 0)
- memcpy((void *)(pbuf + 2), (void *)source, len);
-
- *frlen = *frlen + (len + 2);
-
- return pbuf + len + 2;
-}
-
-inline u8 *rtw_set_ie23a_ch_switch (u8 *buf, u32 *buf_len, u8 ch_switch_mode,
- u8 new_ch, u8 ch_switch_cnt)
-{
- u8 ie_data[3];
-
- ie_data[0] = ch_switch_mode;
- ie_data[1] = new_ch;
- ie_data[2] = ch_switch_cnt;
- return rtw_set_ie23a(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len);
-}
-
-inline u8 hal_ch_offset_to_secondary_ch_offset23a(u8 ch_offset)
-{
- if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
- return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
- return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-
- return IEEE80211_HT_PARAM_CHA_SEC_NONE;
-}
-
-inline u8 *rtw_set_ie23a_secondary_ch_offset(u8 *buf, u32 *buf_len,
- u8 secondary_ch_offset)
-{
- return rtw_set_ie23a(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET,
- 1, &secondary_ch_offset, buf_len);
-}
-
-/*----------------------------------------------------------------------------
-index: the information element id index, limit is the limit for search
------------------------------------------------------------------------------*/
-u8 *rtw_get_ie23a(u8 *pbuf, int index, int *len, int limit)
-{
- int tmp, i;
- u8 *p;
-
- if (limit < 1) {
-
- return NULL;
- }
-
- p = pbuf;
- i = 0;
- *len = 0;
- while (1) {
- if (*p == index) {
- *len = *(p + 1);
- return p;
- } else {
- tmp = *(p + 1);
- p += (tmp + 2);
- i += (tmp + 2);
- }
- if (i >= limit)
- break;
- }
-
- return NULL;
-}
-
-/**
- * rtw_get_ie23a_ex - Search specific IE from a series of IEs
- * @in_ie: Address of IEs to search
- * @in_len: Length limit from in_ie
- * @eid: Element ID to match
- * @oui: OUI to match
- * @oui_len: OUI length
- * @ie: If not NULL and the specific IE is found, the IE will be copied
- * to the buf starting from the specific IE
- * @ielen: If not NULL and the specific IE is found, will set to the length
- * of the entire IE
- *
- * Returns: The address of the specific IE found, or NULL
- */
-u8 *rtw_get_ie23a_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len,
- u8 *ie, uint *ielen)
-{
- uint cnt;
- u8 *target_ie = NULL;
-
- if (ielen)
- *ielen = 0;
-
- if (!in_ie || in_len <= 0)
- return target_ie;
-
- cnt = 0;
-
- while (cnt < in_len) {
- if (eid == in_ie[cnt] &&
- (!oui || !memcmp(&in_ie[cnt+2], oui, oui_len))) {
- target_ie = &in_ie[cnt];
-
- if (ie)
- memcpy(ie, &in_ie[cnt], in_ie[cnt+1]+2);
-
- if (ielen)
- *ielen = in_ie[cnt+1]+2;
- break;
- } else {
- cnt += in_ie[cnt + 1] + 2; /* goto next */
- }
- }
-
- return target_ie;
-}
-
-/**
- * rtw_ies_remove_ie23a - Find matching IEs and remove
- * @ies: Address of IEs to search
- * @ies_len: Pointer of length of ies, will update to new length
- * @offset: The offset to start search
- * @eid: Element ID to match
- * @oui: OUI to match
- * @oui_len: OUI length
- *
- * Returns: _SUCCESS: ies is updated, _FAIL: not updated
- */
-int rtw_ies_remove_ie23a(u8 *ies, uint *ies_len, uint offset, u8 eid,
- u8 *oui, u8 oui_len)
-{
- int ret = _FAIL;
- u8 *target_ie;
- u32 target_ielen;
- u8 *start;
- uint search_len;
-
- if (!ies || !ies_len || *ies_len <= offset)
- goto exit;
-
- start = ies + offset;
- search_len = *ies_len - offset;
-
- while (1) {
- target_ie = rtw_get_ie23a_ex(start, search_len, eid, oui, oui_len,
- NULL, &target_ielen);
- if (target_ie && target_ielen) {
- u8 buf[MAX_IE_SZ] = {0};
- u8 *remain_ies = target_ie + target_ielen;
- uint remain_len = search_len - (remain_ies - start);
-
- memcpy(buf, remain_ies, remain_len);
- memcpy(target_ie, buf, remain_len);
- *ies_len = *ies_len - target_ielen;
- ret = _SUCCESS;
-
- start = target_ie;
- search_len = remain_len;
- } else {
- break;
- }
- }
-exit:
- return ret;
-}
-
-void rtw_set_supported_rate23a(u8 *SupportedRates, uint mode)
-{
-
-
- memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
-
- switch (mode) {
- case WIRELESS_11B:
- memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
- break;
-
- case WIRELESS_11G:
- case WIRELESS_11A:
- case WIRELESS_11_5N:
- case WIRELESS_11A_5N:/* Todo: no basic rate for ofdm ? */
- memcpy(SupportedRates, WIFI_OFDMRATES,
- IEEE80211_NUM_OFDM_RATESLEN);
- break;
-
- case WIRELESS_11BG:
- case WIRELESS_11G_24N:
- case WIRELESS_11_24N:
- case WIRELESS_11BG_24N:
- memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
- memcpy(SupportedRates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES,
- IEEE80211_NUM_OFDM_RATESLEN);
- break;
- }
-
-}
-
-uint rtw_get_rateset_len23a(u8 *rateset)
-{
- uint i = 0;
-
- while(1) {
- if (rateset[i] == 0)
- break;
-
- if (i > 12)
- break;
-
- i++;
- }
-
- return i;
-}
-
-int rtw_generate_ie23a(struct registry_priv *pregistrypriv)
-{
- u8 wireless_mode;
- int sz = 0, rateLen;
- struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
- u8 *ie = pdev_network->IEs;
- u16 cap;
-
- pdev_network->tsf = 0;
-
- cap = WLAN_CAPABILITY_IBSS;
-
- if (pregistrypriv->preamble == PREAMBLE_SHORT)
- cap |= WLAN_CAPABILITY_SHORT_PREAMBLE;
-
- if (pdev_network->Privacy)
- cap |= WLAN_CAPABILITY_PRIVACY;
-
- pdev_network->capability = cap;
-
- /* SSID */
- ie = rtw_set_ie23a(ie, WLAN_EID_SSID, pdev_network->Ssid.ssid_len,
- pdev_network->Ssid.ssid, &sz);
-
- /* supported rates */
- if (pregistrypriv->wireless_mode == WIRELESS_11ABGN) {
- if (pdev_network->DSConfig > 14)
- wireless_mode = WIRELESS_11A_5N;
- else
- wireless_mode = WIRELESS_11BG_24N;
- } else {
- wireless_mode = pregistrypriv->wireless_mode;
- }
-
- rtw_set_supported_rate23a(pdev_network->SupportedRates, wireless_mode) ;
-
- rateLen = rtw_get_rateset_len23a(pdev_network->SupportedRates);
-
- if (rateLen > 8) {
- ie = rtw_set_ie23a(ie, WLAN_EID_SUPP_RATES, 8,
- pdev_network->SupportedRates, &sz);
- /* ie = rtw_set_ie23a(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz); */
- } else {
- ie = rtw_set_ie23a(ie, WLAN_EID_SUPP_RATES, rateLen,
- pdev_network->SupportedRates, &sz);
- }
-
- /* DS parameter set */
- ie = rtw_set_ie23a(ie, WLAN_EID_DS_PARAMS, 1,
- (u8 *)&pdev_network->DSConfig, &sz);
-
- /* IBSS Parameter Set */
-
- ie = rtw_set_ie23a(ie, WLAN_EID_IBSS_PARAMS, 2,
- (u8 *)&pdev_network->ATIMWindow, &sz);
-
- if (rateLen > 8) {
- ie = rtw_set_ie23a(ie, WLAN_EID_EXT_SUPP_RATES, (rateLen - 8),
- (pdev_network->SupportedRates + 8), &sz);
- }
-
-
-
- /* return _SUCCESS; */
-
- return sz;
-}
-
-static int rtw_get_wpa_cipher_suite(const u8 *s)
-{
- if (!memcmp(s, WPA_CIPHER_SUITE_NONE23A, WPA_SELECTOR_LEN))
- return WPA_CIPHER_NONE;
- if (!memcmp(s, WPA_CIPHER_SUITE_WEP4023A, WPA_SELECTOR_LEN))
- return WPA_CIPHER_WEP40;
- if (!memcmp(s, WPA_CIPHER_SUITE_TKIP23A, WPA_SELECTOR_LEN))
- return WPA_CIPHER_TKIP;
- if (!memcmp(s, WPA_CIPHER_SUITE_CCMP23A, WPA_SELECTOR_LEN))
- return WPA_CIPHER_CCMP;
- if (!memcmp(s, WPA_CIPHER_SUITE_WEP10423A, WPA_SELECTOR_LEN))
- return WPA_CIPHER_WEP104;
-
- return 0;
-}
-
-static int rtw_get_wpa2_cipher_suite(const u8 *s)
-{
- if (!memcmp(s, RSN_CIPHER_SUITE_NONE23A, RSN_SELECTOR_LEN))
- return WPA_CIPHER_NONE;
- if (!memcmp(s, RSN_CIPHER_SUITE_WEP4023A, RSN_SELECTOR_LEN))
- return WPA_CIPHER_WEP40;
- if (!memcmp(s, RSN_CIPHER_SUITE_TKIP23A, RSN_SELECTOR_LEN))
- return WPA_CIPHER_TKIP;
- if (!memcmp(s, RSN_CIPHER_SUITE_CCMP23A, RSN_SELECTOR_LEN))
- return WPA_CIPHER_CCMP;
- if (!memcmp(s, RSN_CIPHER_SUITE_WEP10423A, RSN_SELECTOR_LEN))
- return WPA_CIPHER_WEP104;
-
- return 0;
-}
-
-int rtw_parse_wpa_ie23a(const u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
- int *pairwise_cipher, int *is_8021x)
-{
- int i, ret = _SUCCESS;
- int left, count;
- const u8 *pos;
-
- if (wpa_ie_len <= 0) {
- /* No WPA IE - fail silently */
- return _FAIL;
- }
-
- if (wpa_ie[1] != (u8)(wpa_ie_len - 2))
- return _FAIL;
-
- pos = wpa_ie;
-
- pos += 8;
- left = wpa_ie_len - 8;
-
- /* group_cipher */
- if (left >= WPA_SELECTOR_LEN) {
-
- *group_cipher = rtw_get_wpa_cipher_suite(pos);
-
- pos += WPA_SELECTOR_LEN;
- left -= WPA_SELECTOR_LEN;
- } else if (left > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie length mismatch, %u too much\n",
- __func__, left);
-
- return _FAIL;
- }
-
- /* pairwise_cipher */
- if (left >= 2) {
- /* count = le16_to_cpu(*(u16*)pos); */
- count = get_unaligned_le16(pos);
- pos += 2;
- left -= 2;
-
- if (count == 0 || left < count * WPA_SELECTOR_LEN) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie count botch (pairwise), count %u left %u\n",
- __func__, count, left);
- return _FAIL;
- }
-
- for (i = 0; i < count; i++) {
- *pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
-
- pos += WPA_SELECTOR_LEN;
- left -= WPA_SELECTOR_LEN;
- }
- } else if (left == 1) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie too short (for key mgmt)\n", __func__);
- return _FAIL;
- }
-
- if (is_8021x) {
- if (left >= 6) {
- pos += 2;
- if (!memcmp(pos, RTW_WPA_OUI23A_TYPE, 4)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s : there has 802.1x auth\n",
- __func__);
- *is_8021x = 1;
- }
- }
- }
-
- return ret;
-}
-
-int rtw_parse_wpa2_ie23a(const u8 *rsn_ie, int rsn_ie_len, int *group_cipher,
- int *pairwise_cipher, int *is_8021x)
-{
- int i, ret = _SUCCESS;
- int left, count;
- const u8 *pos;
- u8 SUITE_1X[4] = {0x00, 0x0f, 0xac, 0x01};
-
- if (rsn_ie_len <= 0) {
- /* No RSN IE - fail silently */
- return _FAIL;
- }
-
- if (*rsn_ie != WLAN_EID_RSN || *(rsn_ie+1) != (u8)(rsn_ie_len - 2)) {
- return _FAIL;
- }
-
- pos = rsn_ie;
- pos += 4;
- left = rsn_ie_len - 4;
-
- /* group_cipher */
- if (left >= RSN_SELECTOR_LEN) {
- *group_cipher = rtw_get_wpa2_cipher_suite(pos);
-
- pos += RSN_SELECTOR_LEN;
- left -= RSN_SELECTOR_LEN;
- } else if (left > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie length mismatch, %u too much\n",
- __func__, left);
- return _FAIL;
- }
-
- /* pairwise_cipher */
- if (left >= 2) {
- /* count = le16_to_cpu(*(u16*)pos); */
- count = get_unaligned_le16(pos);
- pos += 2;
- left -= 2;
-
- if (count == 0 || left < count * RSN_SELECTOR_LEN) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie count botch (pairwise), count %u left %u\n",
- __func__, count, left);
- return _FAIL;
- }
-
- for (i = 0; i < count; i++) {
- *pairwise_cipher |= rtw_get_wpa2_cipher_suite(pos);
-
- pos += RSN_SELECTOR_LEN;
- left -= RSN_SELECTOR_LEN;
- }
- } else if (left == 1) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
- "%s: ie too short (for key mgmt)\n", __func__);
-
- return _FAIL;
- }
-
- if (is_8021x) {
- if (left >= 6) {
- pos += 2;
- if (!memcmp(pos, SUITE_1X, 4)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s (): there has 802.1x auth\n",
- __func__);
- *is_8021x = 1;
- }
- }
- }
-
- return ret;
-}
-
-/**
- * rtw_get_wps_attr23a - Search a specific WPS attribute from a given WPS IE
- * @wps_ie: Address of WPS IE to search
- * @wps_ielen: Length limit from wps_ie
- * @target_attr_id: The attribute ID of WPS attribute to search
- * @buf_attr: If not NULL and the WPS attribute is found, WPS attribute
- * will be copied to the buf starting from buf_attr
- * @len_attr: If not NULL and the WPS attribute is found, will set to the
- * length of the entire WPS attribute
- *
- * Returns: the address of the specific WPS attribute found, or NULL
- */
-const u8 *rtw_get_wps_attr23a(const u8 *wps_ie, uint wps_ielen,
- u16 target_attr_id, u8 *buf_attr, u32 *len_attr)
-{
- const u8 *attr_ptr = NULL;
- const u8 *target_attr_ptr = NULL;
- u8 wps_oui[4] = {0x00, 0x50, 0xF2, 0x04};
-
- if (len_attr)
- *len_attr = 0;
-
- if (wps_ie[0] != WLAN_EID_VENDOR_SPECIFIC ||
- memcmp(wps_ie + 2, wps_oui, 4)) {
- return attr_ptr;
- }
-
- /* 6 = 1(Element ID) + 1(Length) + 4(WPS OUI) */
- attr_ptr = wps_ie + 6; /* goto first attr */
-
- while (attr_ptr - wps_ie < wps_ielen) {
- /* 4 = 2(Attribute ID) + 2(Length) */
- u16 attr_id = get_unaligned_be16(attr_ptr);
- u16 attr_data_len = get_unaligned_be16(attr_ptr + 2);
- u16 attr_len = attr_data_len + 4;
-
- /* DBG_8723A("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len); */
- if (attr_id == target_attr_id) {
- target_attr_ptr = attr_ptr;
-
- if (buf_attr)
- memcpy(buf_attr, attr_ptr, attr_len);
-
- if (len_attr)
- *len_attr = attr_len;
-
- break;
- } else {
- attr_ptr += attr_len; /* goto next */
- }
- }
-
- return target_attr_ptr;
-}
-
-/**
- * rtw_get_wps_attr_content23a - Search a specific WPS attribute content
- * from a given WPS IE
- * @wps_ie: Address of WPS IE to search
- * @wps_ielen: Length limit from wps_ie
- * @target_attr_id: The attribute ID of WPS attribute to search
- * @buf_content: If not NULL and the WPS attribute is found, WPS attribute
- * content will be copied to the buf starting from buf_content
- * @len_content: If not NULL and the WPS attribute is found, will set to the
- * length of the WPS attribute content
- *
- * Returns: the address of the specific WPS attribute content found, or NULL
- */
-const u8 *rtw_get_wps_attr_content23a(const u8 *wps_ie, uint wps_ielen,
- u16 target_attr_id, u8 *buf_content)
-{
- const u8 *attr_ptr;
- u32 attr_len;
-
- attr_ptr = rtw_get_wps_attr23a(wps_ie, wps_ielen, target_attr_id,
- NULL, &attr_len);
-
- if (attr_ptr && attr_len) {
- if (buf_content)
- memcpy(buf_content, attr_ptr + 4, attr_len - 4);
-
- return attr_ptr + 4;
- }
-
- return NULL;
-}
-
-static int rtw_get_cipher_info(struct wlan_network *pnetwork)
-{
- const u8 *pbuf;
- int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
- int ret = _FAIL;
- int r, plen;
- char *pie;
-
- pie = pnetwork->network.IEs;
- plen = pnetwork->network.IELength;
-
- pbuf = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
- WLAN_OUI_TYPE_MICROSOFT_WPA, pie, plen);
-
- if (pbuf && pbuf[1] > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "rtw_get_cipher_info: wpa_ielen: %d\n", pbuf[1]);
- r = rtw_parse_wpa_ie23a(pbuf, pbuf[1] + 2, &group_cipher,
- &pairwise_cipher, &is8021x);
- if (r == _SUCCESS) {
- pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
- pnetwork->BcnInfo.group_cipher = group_cipher;
- pnetwork->BcnInfo.is_8021x = is8021x;
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s: pnetwork->pairwise_cipher: %d, is_8021x is %d\n",
- __func__, pnetwork->BcnInfo.pairwise_cipher,
- pnetwork->BcnInfo.is_8021x);
- ret = _SUCCESS;
- }
- } else {
- pbuf = cfg80211_find_ie(WLAN_EID_RSN, pie, plen);
-
- if (pbuf && pbuf[1] > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "get RSN IE\n");
- r = rtw_parse_wpa2_ie23a(pbuf, pbuf[1] + 2,
- &group_cipher, &pairwise_cipher,
- &is8021x);
- if (r == _SUCCESS) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "get RSN IE OK!!!\n");
- pnetwork->BcnInfo.pairwise_cipher =
- pairwise_cipher;
- pnetwork->BcnInfo.group_cipher = group_cipher;
- pnetwork->BcnInfo.is_8021x = is8021x;
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s: pnetwork->pairwise_cipher: %d,pnetwork->group_cipher is %d, is_8021x is %d\n",
- __func__,
- pnetwork->BcnInfo.pairwise_cipher,
- pnetwork->BcnInfo.group_cipher,
- pnetwork->BcnInfo.is_8021x);
- ret = _SUCCESS;
- }
- }
- }
-
- return ret;
-}
-
-void rtw_get_bcn_info23a(struct wlan_network *pnetwork)
-{
- u8 bencrypt = 0;
- int pie_len;
- u8 *pie;
- const u8 *p;
-
- if (pnetwork->network.capability & WLAN_CAPABILITY_PRIVACY) {
- bencrypt = 1;
- pnetwork->network.Privacy = 1;
- } else
- pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
-
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s: ssid =%s\n", __func__, pnetwork->network.Ssid.ssid);
-
- pie = pnetwork->network.IEs;
- pie_len = pnetwork->network.IELength;
-
- p = cfg80211_find_ie(WLAN_EID_RSN, pie, pie_len);
- if (p && p[1]) {
- pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
- } else if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
- WLAN_OUI_TYPE_MICROSOFT_WPA,
- pie, pie_len)) {
- pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA;
- } else {
- if (bencrypt)
- pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
- }
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s: pnetwork->encryp_protocol is %x\n", __func__,
- pnetwork->BcnInfo.encryp_protocol);
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
- "%s: pnetwork->encryp_protocol is %x\n", __func__,
- pnetwork->BcnInfo.encryp_protocol);
- rtw_get_cipher_info(pnetwork);
-
- /* get bwmode and ch_offset */
-}
-
-/* show MCS rate, unit: 100Kbps */
-u16 rtw_mcs_rate23a(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
- struct ieee80211_mcs_info *mcs)
-{
- u16 max_rate = 0;
-
- if (rf_type == RF_1T1R) {
- if (mcs->rx_mask[0] & BIT(7))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1500:1350):
- ((short_GI_20)?722:650);
- else if (mcs->rx_mask[0] & BIT(6))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215):
- ((short_GI_20)?650:585);
- else if (mcs->rx_mask[0] & BIT(5))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):
- ((short_GI_20)?578:520);
- else if (mcs->rx_mask[0] & BIT(4))
- max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):
- ((short_GI_20)?433:390);
- else if (mcs->rx_mask[0] & BIT(3))
- max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):
- ((short_GI_20)?289:260);
- else if (mcs->rx_mask[0] & BIT(2))
- max_rate = (bw_40MHz) ? ((short_GI_40)?450:405):
- ((short_GI_20)?217:195);
- else if (mcs->rx_mask[0] & BIT(1))
- max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):
- ((short_GI_20)?144:130);
- else if (mcs->rx_mask[0] & BIT(0))
- max_rate = (bw_40MHz) ? ((short_GI_40)?150:135):
- ((short_GI_20)?72:65);
- } else {
- if (mcs->rx_mask[1]) {
- if (mcs->rx_mask[1] & BIT(7))
- max_rate = (bw_40MHz) ? ((short_GI_40)?3000:2700):((short_GI_20)?1444:1300);
- else if (mcs->rx_mask[1] & BIT(6))
- max_rate = (bw_40MHz) ? ((short_GI_40)?2700:2430):((short_GI_20)?1300:1170);
- else if (mcs->rx_mask[1] & BIT(5))
- max_rate = (bw_40MHz) ? ((short_GI_40)?2400:2160):((short_GI_20)?1156:1040);
- else if (mcs->rx_mask[1] & BIT(4))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1800:1620):((short_GI_20)?867:780);
- else if (mcs->rx_mask[1] & BIT(3))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520);
- else if (mcs->rx_mask[1] & BIT(2))
- max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390);
- else if (mcs->rx_mask[1] & BIT(1))
- max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260);
- else if (mcs->rx_mask[1] & BIT(0))
- max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130);
- } else {
- if (mcs->rx_mask[0] & BIT(7))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1500:1350):((short_GI_20)?722:650);
- else if (mcs->rx_mask[0] & BIT(6))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215):((short_GI_20)?650:585);
- else if (mcs->rx_mask[0] & BIT(5))
- max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520);
- else if (mcs->rx_mask[0] & BIT(4))
- max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390);
- else if (mcs->rx_mask[0] & BIT(3))
- max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260);
- else if (mcs->rx_mask[0] & BIT(2))
- max_rate = (bw_40MHz) ? ((short_GI_40)?450:405):((short_GI_20)?217:195);
- else if (mcs->rx_mask[0] & BIT(1))
- max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130);
- else if (mcs->rx_mask[0] & BIT(0))
- max_rate = (bw_40MHz) ? ((short_GI_40)?150:135):((short_GI_20)?72:65);
- }
- }
- return max_rate;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 18:45:32 +0000