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rtw_tdls.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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 _RTW_TDLS_C_
#include <drv_types.h>
#include <hal_data.h>
#ifdef CONFIG_TDLS
#define ONE_SEC 1000 /* 1000 ms */
extern unsigned char MCS_rate_2R[16];
extern unsigned char MCS_rate_1R[16];
inline void rtw_tdls_set_link_established(_adapter *adapter, bool en)
{
adapter->tdlsinfo.link_established = en;
rtw_mi_update_iface_status(&(adapter->mlmepriv), 0);
}
void rtw_reset_tdls_info(_adapter *padapter)
{
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
ptdlsinfo->ap_prohibited = _FALSE;
/* For TDLS channel switch, currently we only allow it to work in wifi logo test mode */
if (padapter->registrypriv.wifi_spec == 1)
ptdlsinfo->ch_switch_prohibited = _FALSE;
else
ptdlsinfo->ch_switch_prohibited = _TRUE;
rtw_tdls_set_link_established(padapter, _FALSE);
ptdlsinfo->sta_cnt = 0;
ptdlsinfo->sta_maximum = _FALSE;
#ifdef CONFIG_TDLS_CH_SW
ptdlsinfo->chsw_info.ch_sw_state = TDLS_STATE_NONE;
ATOMIC_SET(&ptdlsinfo->chsw_info.chsw_on, _FALSE);
ptdlsinfo->chsw_info.off_ch_num = 0;
ptdlsinfo->chsw_info.ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
ptdlsinfo->chsw_info.cur_time = 0;
ptdlsinfo->chsw_info.delay_switch_back = _FALSE;
ptdlsinfo->chsw_info.dump_stack = _FALSE;
#endif
ptdlsinfo->ch_sensing = 0;
ptdlsinfo->watchdog_count = 0;
ptdlsinfo->dev_discovered = _FALSE;
#ifdef CONFIG_WFD
ptdlsinfo->wfd_info = &padapter->wfd_info;
#endif
ptdlsinfo->tdls_sctx = NULL;
}
int rtw_init_tdls_info(_adapter *padapter)
{
int res = _SUCCESS;
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
rtw_reset_tdls_info(padapter);
#ifdef CONFIG_TDLS_DRIVER_SETUP
ptdlsinfo->driver_setup = _TRUE;
#else
ptdlsinfo->driver_setup = _FALSE;
#endif /* CONFIG_TDLS_DRIVER_SETUP */
_rtw_spinlock_init(&ptdlsinfo->cmd_lock);
_rtw_spinlock_init(&ptdlsinfo->hdl_lock);
return res;
}
void rtw_free_tdls_info(struct tdls_info *ptdlsinfo)
{
_rtw_spinlock_free(&ptdlsinfo->cmd_lock);
_rtw_spinlock_free(&ptdlsinfo->hdl_lock);
_rtw_memset(ptdlsinfo, 0, sizeof(struct tdls_info));
}
void rtw_free_all_tdls_sta(_adapter *padapter, u8 enqueue_cmd)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
_irqL irqL;
_list *plist, *phead;
s32 index;
struct sta_info *psta = NULL;
struct sta_info *ptdls_sta[NUM_STA];
u8 empty_hwaddr[ETH_ALEN] = { 0x00 };
_rtw_memset(ptdls_sta, 0x00, sizeof(ptdls_sta));
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < NUM_STA; index++) {
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
plist = get_next(plist);
if (psta->tdls_sta_state != TDLS_STATE_NONE)
ptdls_sta[index] = psta;
}
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < NUM_STA; index++) {
if (ptdls_sta[index]) {
struct TDLSoption_param tdls_param;
psta = ptdls_sta[index];
RTW_INFO("Do tear down to "MAC_FMT" by enqueue_cmd = %d\n", MAC_ARG(psta->cmn.mac_addr), enqueue_cmd);
_rtw_memcpy(&(tdls_param.addr), psta->cmn.mac_addr, ETH_ALEN);
tdls_param.option = TDLS_TEARDOWN_STA_NO_WAIT;
tdls_hdl(padapter, (unsigned char *)&(tdls_param));
rtw_tdls_teardown_pre_hdl(padapter, psta);
if (enqueue_cmd == _TRUE)
rtw_tdls_cmd(padapter, psta->cmn.mac_addr, TDLS_TEARDOWN_STA_LOCALLY_POST);
else
{
tdls_param.option = TDLS_TEARDOWN_STA_LOCALLY_POST;
tdls_hdl(padapter, (unsigned char *)&(tdls_param));
}
}
}
}
int check_ap_tdls_prohibited(u8 *pframe, u8 pkt_len)
{
u8 tdls_prohibited_bit = 0x40; /* bit(38); TDLS_prohibited */
if (pkt_len < 5)
return _FALSE;
pframe += 4;
if ((*pframe) & tdls_prohibited_bit)
return _TRUE;
return _FALSE;
}
int check_ap_tdls_ch_switching_prohibited(u8 *pframe, u8 pkt_len)
{
u8 tdls_ch_swithcing_prohibited_bit = 0x80; /* bit(39); TDLS_channel_switching prohibited */
if (pkt_len < 5)
return _FALSE;
pframe += 4;
if ((*pframe) & tdls_ch_swithcing_prohibited_bit)
return _TRUE;
return _FALSE;
}
u8 rtw_is_tdls_enabled(_adapter *padapter)
{
return padapter->registrypriv.en_tdls;
}
void rtw_set_tdls_enable(_adapter *padapter, u8 enable)
{
padapter->registrypriv.en_tdls = enable;
RTW_INFO("%s: en_tdls = %d\n", __func__, rtw_is_tdls_enabled(padapter));
}
void rtw_enable_tdls_func(_adapter *padapter)
{
if (rtw_is_tdls_enabled(padapter) == _TRUE)
return;
#if 0
#ifdef CONFIG_MCC_MODE
if (rtw_hal_check_mcc_status(padapter, MCC_STATUS_DOING_MCC) == _TRUE) {
RTW_INFO("[TDLS] MCC is running, can't enable TDLS !\n");
return;
}
#endif
#endif
rtw_set_tdls_enable(padapter, _TRUE);
}
void rtw_disable_tdls_func(_adapter *padapter, u8 enqueue_cmd)
{
if (rtw_is_tdls_enabled(padapter) == _FALSE)
return;
rtw_free_all_tdls_sta(padapter, enqueue_cmd);
rtw_tdls_cmd(padapter, NULL, TDLS_RS_RCR);
rtw_reset_tdls_info(padapter);
rtw_set_tdls_enable(padapter, _FALSE);
}
u8 rtw_is_tdls_sta_existed(_adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta;
int i = 0;
_irqL irqL;
_list *plist, *phead;
u8 ret = _FALSE;
if (rtw_is_tdls_enabled(padapter) == _FALSE)
return _FALSE;
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (i = 0; i < NUM_STA; i++) {
phead = &(pstapriv->sta_hash[i]);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
plist = get_next(plist);
if (psta->tdls_sta_state != TDLS_STATE_NONE) {
ret = _TRUE;
goto Exit;
}
}
}
Exit:
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
return ret;
}
u8 rtw_tdls_is_setup_allowed(_adapter *padapter)
{
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
if (is_client_associated_to_ap(padapter) == _FALSE)
return _FALSE;
if (ptdlsinfo->ap_prohibited == _TRUE)
return _FALSE;
return _TRUE;
}
#ifdef CONFIG_TDLS_CH_SW
u8 rtw_tdls_is_chsw_allowed(_adapter *padapter)
{
struct tdls_info *ptdlsinfo = &padapter->tdlsinfo;
if (ptdlsinfo->ch_switch_prohibited == _TRUE)
return _FALSE;
if (padapter->registrypriv.wifi_spec == 0)
return _FALSE;
return _TRUE;
}
#endif
int _issue_nulldata_to_TDLS_peer_STA(_adapter *padapter, unsigned char *da, unsigned int power_mode, int wait_ms)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct rtw_ieee80211_hdr *pwlanhdr;
unsigned short *fctrl, *qc;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
goto exit;
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->hdrlen += 2;
pattrib->qos_en = _TRUE;
pattrib->eosp = 1;
pattrib->ack_policy = 0;
pattrib->mdata = 0;
pattrib->retry_ctrl = _FALSE;
_rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
fctrl = &(pwlanhdr->frame_ctl);
*(fctrl) = 0;
if (power_mode)
SetPwrMgt(fctrl);
qc = (unsigned short *)(pframe + pattrib->hdrlen - 2);
SetPriority(qc, 7); /* Set priority to VO */
SetEOSP(qc, pattrib->eosp);
SetAckpolicy(qc, pattrib->ack_policy);
_rtw_memcpy(pwlanhdr->addr1, da, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
set_frame_sub_type(pframe, WIFI_QOS_DATA_NULL);
pframe += sizeof(struct rtw_ieee80211_hdr_3addr_qos);
pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr_qos);
pattrib->last_txcmdsz = pattrib->pktlen;
if (wait_ms)
ret = dump_mgntframe_and_wait_ack_timeout(padapter, pmgntframe, wait_ms);
else {
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
/*
*wait_ms == 0 means that there is no need to wait ack through C2H_CCX_TX_RPT
*wait_ms > 0 means you want to wait ack through C2H_CCX_TX_RPT, and the value of wait_ms means the interval between each TX
*try_cnt means the maximal TX count to try
*/
int issue_nulldata_to_TDLS_peer_STA(_adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms)
{
int ret;
int i = 0;
systime start = rtw_get_current_time();
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
#if 0
psta = rtw_get_stainfo(&padapter->stapriv, da);
if (psta) {
if (power_mode)
rtw_hal_macid_sleep(padapter, psta->cmn.mac_id);
else
rtw_hal_macid_wakeup(padapter, psta->cmn.mac_id);
} else {
RTW_INFO(FUNC_ADPT_FMT ": Can't find sta info for " MAC_FMT ", skip macid %s!!\n",
FUNC_ADPT_ARG(padapter), MAC_ARG(da), power_mode ? "sleep" : "wakeup");
rtw_warn_on(1);
}
#endif
do {
ret = _issue_nulldata_to_TDLS_peer_STA(padapter, da, power_mode, wait_ms);
i++;
if (RTW_CANNOT_RUN(padapter))
break;
if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
rtw_msleep_os(wait_ms);
} while ((i < try_cnt) && (ret == _FAIL || wait_ms == 0));
if (ret != _FAIL) {
ret = _SUCCESS;
#ifndef DBG_XMIT_ACK
goto exit;
#endif
}
if (try_cnt && wait_ms) {
if (da)
RTW_INFO(FUNC_ADPT_FMT" to "MAC_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), MAC_ARG(da), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start));
else
RTW_INFO(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start));
}
exit:
return ret;
}
/* TDLS encryption(if needed) will always be CCMP */
void rtw_tdls_set_key(_adapter *padapter, struct sta_info *ptdls_sta)
{
ptdls_sta->dot118021XPrivacy = _AES_;
rtw_setstakey_cmd(padapter, ptdls_sta, TDLS_KEY, _TRUE);
}
#ifdef CONFIG_80211N_HT
void rtw_tdls_process_ht_cap(_adapter *padapter, struct sta_info *ptdls_sta, u8 *data, u8 Length)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
u8 max_AMPDU_len, min_MPDU_spacing;
u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, cur_beamform_cap = 0;
/* Save HT capabilities in the sta object */
_rtw_memset(&ptdls_sta->htpriv.ht_cap, 0, sizeof(struct rtw_ieee80211_ht_cap));
if (data && Length >= sizeof(struct rtw_ieee80211_ht_cap)) {
ptdls_sta->flags |= WLAN_STA_HT;
ptdls_sta->flags |= WLAN_STA_WME;
_rtw_memcpy(&ptdls_sta->htpriv.ht_cap, data, sizeof(struct rtw_ieee80211_ht_cap));
} else {
ptdls_sta->flags &= ~WLAN_STA_HT;
return;
}
if (ptdls_sta->flags & WLAN_STA_HT) {
if (padapter->registrypriv.ht_enable == _TRUE && is_supported_ht(padapter->registrypriv.wireless_mode) ) {
ptdls_sta->htpriv.ht_option = _TRUE;
ptdls_sta->qos_option = _TRUE;
} else {
ptdls_sta->htpriv.ht_option = _FALSE;
ptdls_sta->qos_option = _FALSE;
}
}
/* HT related cap */
if (ptdls_sta->htpriv.ht_option) {
/* Check if sta supports rx ampdu */
if (padapter->registrypriv.ampdu_enable == 1)
ptdls_sta->htpriv.ampdu_enable = _TRUE;
/* AMPDU Parameters field */
/* Get MIN of MAX AMPDU Length Exp */
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (data[2] & 0x3))
max_AMPDU_len = (data[2] & 0x3);
else
max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
/* Get MAX of MIN MPDU Start Spacing */
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (data[2] & 0x1c))
min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
else
min_MPDU_spacing = (data[2] & 0x1c);
ptdls_sta->htpriv.rx_ampdu_min_spacing = max_AMPDU_len | min_MPDU_spacing;
/* Check if sta support s Short GI 20M */
if ((phtpriv->sgi_20m == _TRUE) && (ptdls_sta->htpriv.ht_cap.cap_info & cpu_to_le16(IEEE80211_HT_CAP_SGI_20)))
ptdls_sta->htpriv.sgi_20m = _TRUE;
/* Check if sta support s Short GI 40M */
if ((phtpriv->sgi_40m == _TRUE) && (ptdls_sta->htpriv.ht_cap.cap_info & cpu_to_le16(IEEE80211_HT_CAP_SGI_40)))
ptdls_sta->htpriv.sgi_40m = _TRUE;
/* Bwmode would still followed AP's setting */
if (ptdls_sta->htpriv.ht_cap.cap_info & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH)) {
if (padapter->mlmeextpriv.cur_bwmode >= CHANNEL_WIDTH_40)
ptdls_sta->cmn.bw_mode = CHANNEL_WIDTH_40;
ptdls_sta->htpriv.ch_offset = padapter->mlmeextpriv.cur_ch_offset;
}
/* Config LDPC Coding Capability */
if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAP_ELE_LDPC_CAP(data)) {
SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
RTW_INFO("Enable HT Tx LDPC!\n");
}
ptdls_sta->htpriv.ldpc_cap = cur_ldpc_cap;
/* Config STBC setting */
if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAP_ELE_RX_STBC(data)) {
SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
RTW_INFO("Enable HT Tx STBC!\n");
}
ptdls_sta->htpriv.stbc_cap = cur_stbc_cap;
#ifdef CONFIG_BEAMFORMING
/* Config Tx beamforming setting */
if (TEST_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE) &&
GET_HT_CAP_TXBF_EXPLICIT_COMP_STEERING_CAP(data))
SET_FLAG(cur_beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
if (TEST_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE) &&
GET_HT_CAP_TXBF_EXPLICIT_COMP_FEEDBACK_CAP(data))
SET_FLAG(cur_beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
ptdls_sta->htpriv.beamform_cap = cur_beamform_cap;
if (cur_beamform_cap)
RTW_INFO("Client HT Beamforming Cap = 0x%02X\n", cur_beamform_cap);
#endif /* CONFIG_BEAMFORMING */
}
}
u8 *rtw_tdls_set_ht_cap(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
rtw_ht_use_default_setting(padapter);
if (padapter->registrypriv.wifi_spec == 1) {
padapter->mlmepriv.htpriv.sgi_20m = _FALSE;
padapter->mlmepriv.htpriv.sgi_40m = _FALSE;
}
rtw_restructure_ht_ie(padapter, NULL, pframe, 0, &(pattrib->pktlen), padapter->mlmeextpriv.cur_channel);
return pframe + pattrib->pktlen;
}
#endif
#ifdef CONFIG_80211AC_VHT
void rtw_tdls_process_vht_cap(_adapter *padapter, struct sta_info *ptdls_sta, u8 *data, u8 Length)
{
struct rf_ctl_t *rfctl = adapter_to_rfctl(padapter);
struct hal_spec_t *hal_spec = GET_HAL_SPEC(padapter);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, cur_beamform_cap = 0, rf_type = RF_1T1R, tx_nss = 0;
u8 *pcap_mcs;
_rtw_memset(&ptdls_sta->vhtpriv, 0, sizeof(struct vht_priv));
if (data && Length == 12) {
ptdls_sta->flags |= WLAN_STA_VHT;
_rtw_memcpy(ptdls_sta->vhtpriv.vht_cap, data, 12);
#if 0
if (elems.vht_op_mode_notify && elems.vht_op_mode_notify_len == 1)
_rtw_memcpy(&pstat->vhtpriv.vht_op_mode_notify, elems.vht_op_mode_notify, 1);
else /* for Frame without Operating Mode notify ie; default: 80M */
pstat->vhtpriv.vht_op_mode_notify = CHANNEL_WIDTH_80;
#else
ptdls_sta->vhtpriv.vht_op_mode_notify = CHANNEL_WIDTH_80;
#endif
} else {
ptdls_sta->flags &= ~WLAN_STA_VHT;
return;
}
if (ptdls_sta->flags & WLAN_STA_VHT) {
if (REGSTY_IS_11AC_ENABLE(&padapter->registrypriv)
&& is_supported_vht(padapter->registrypriv.wireless_mode)
&& (!rfctl->country_ent || COUNTRY_CHPLAN_EN_11AC(rfctl->country_ent)))
ptdls_sta->vhtpriv.vht_option = _TRUE;
else
ptdls_sta->vhtpriv.vht_option = _FALSE;
}
/* B4 Rx LDPC */
if (TEST_FLAG(pvhtpriv->ldpc_cap, LDPC_VHT_ENABLE_TX) &&
GET_VHT_CAPABILITY_ELE_RX_LDPC(data)) {
SET_FLAG(cur_ldpc_cap, (LDPC_VHT_ENABLE_TX | LDPC_VHT_CAP_TX));
RTW_INFO("Current VHT LDPC Setting = %02X\n", cur_ldpc_cap);
}
ptdls_sta->vhtpriv.ldpc_cap = cur_ldpc_cap;
/* B5 Short GI for 80 MHz */
ptdls_sta->vhtpriv.sgi_80m = (GET_VHT_CAPABILITY_ELE_SHORT_GI80M(data) & pvhtpriv->sgi_80m) ? _TRUE : _FALSE;
/* B8 B9 B10 Rx STBC */
if (TEST_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_TX) &&
GET_VHT_CAPABILITY_ELE_RX_STBC(data)) {
SET_FLAG(cur_stbc_cap, (STBC_VHT_ENABLE_TX | STBC_VHT_CAP_TX));
RTW_INFO("Current VHT STBC Setting = %02X\n", cur_stbc_cap);
}
ptdls_sta->vhtpriv.stbc_cap = cur_stbc_cap;
#ifdef CONFIG_BEAMFORMING
/* B11 SU Beamformer Capable, the target supports Beamformer and we are Beamformee */
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE) &&
GET_VHT_CAPABILITY_ELE_SU_BFEE(data))
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
/* B12 SU Beamformee Capable, the target supports Beamformee and we are Beamformer */
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE) &&
GET_VHT_CAPABILITY_ELE_SU_BFER(data))
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
ptdls_sta->vhtpriv.beamform_cap = cur_beamform_cap;
if (cur_beamform_cap)
RTW_INFO("Current VHT Beamforming Setting = %02X\n", cur_beamform_cap);
#endif /*CONFIG_BEAMFORMING*/
/* B23 B24 B25 Maximum A-MPDU Length Exponent */
ptdls_sta->vhtpriv.ampdu_len = GET_VHT_CAPABILITY_ELE_MAX_RXAMPDU_FACTOR(data);
pcap_mcs = GET_VHT_CAPABILITY_ELE_RX_MCS(data);
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
tx_nss = rtw_min(rf_type_to_rf_tx_cnt(rf_type), hal_spec->tx_nss_num);
rtw_vht_nss_to_mcsmap(tx_nss, ptdls_sta->vhtpriv.vht_mcs_map, pcap_mcs);
ptdls_sta->vhtpriv.vht_highest_rate = rtw_get_vht_highest_rate(ptdls_sta->vhtpriv.vht_mcs_map);
}
void rtw_tdls_process_vht_operation(_adapter *padapter, struct sta_info *ptdls_sta, u8 *data, u8 Length)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct registry_priv *regsty = adapter_to_regsty(padapter);
u8 operation_bw = 0;
if (GET_VHT_OPERATION_ELE_CHL_WIDTH(data) >= 1) {
operation_bw = CHANNEL_WIDTH_80;
if (hal_is_bw_support(padapter, operation_bw) && REGSTY_IS_BW_5G_SUPPORT(regsty, operation_bw)
&& (operation_bw <= pmlmeext->cur_bwmode))
ptdls_sta->cmn.bw_mode = operation_bw;
else
ptdls_sta->cmn.bw_mode = pmlmeext->cur_bwmode;
} else
ptdls_sta->cmn.bw_mode = pmlmeext->cur_bwmode;
}
void rtw_tdls_process_vht_op_mode_notify(_adapter *padapter, struct sta_info *ptdls_sta, u8 *data, u8 Length)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct registry_priv *regsty = adapter_to_regsty(padapter);
u8 target_bw;
u8 target_rxss, current_rxss;
if (pvhtpriv->vht_option == _FALSE)
return;
target_bw = GET_VHT_OPERATING_MODE_FIELD_CHNL_WIDTH(data);
target_rxss = (GET_VHT_OPERATING_MODE_FIELD_RX_NSS(data) + 1);
if (hal_is_bw_support(padapter, target_bw) && REGSTY_IS_BW_5G_SUPPORT(regsty, target_bw)
&& (target_bw <= pmlmeext->cur_bwmode))
ptdls_sta->cmn.bw_mode = target_bw;
else
ptdls_sta->cmn.bw_mode = pmlmeext->cur_bwmode;
current_rxss = rtw_vht_mcsmap_to_nss(ptdls_sta->vhtpriv.vht_mcs_map);
if (target_rxss != current_rxss) {
u8 vht_mcs_map[2] = {};
rtw_vht_nss_to_mcsmap(target_rxss, vht_mcs_map, ptdls_sta->vhtpriv.vht_mcs_map);
_rtw_memcpy(ptdls_sta->vhtpriv.vht_mcs_map, vht_mcs_map, 2);
}
}
u8 *rtw_tdls_set_aid(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
return rtw_set_ie(pframe, EID_AID, 2, (u8 *)&(padapter->mlmepriv.cur_network.aid), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_vht_cap(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
u32 ie_len = 0;
rtw_vht_use_default_setting(padapter);
ie_len = rtw_build_vht_cap_ie(padapter, pframe);
pattrib->pktlen += ie_len;
return pframe + ie_len;
}
u8 *rtw_tdls_set_vht_operation(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib, u8 channel)
{
u32 ie_len = 0;
ie_len = rtw_build_vht_operation_ie(padapter, pframe, channel);
pattrib->pktlen += ie_len;
return pframe + ie_len;
}
u8 *rtw_tdls_set_vht_op_mode_notify(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib, u8 bw)
{
u32 ie_len = 0;
ie_len = rtw_build_vht_op_mode_notify_ie(padapter, pframe, bw);
pattrib->pktlen += ie_len;
return pframe + ie_len;
}
#endif
u8 *rtw_tdls_set_sup_ch(_adapter *adapter, u8 *pframe, struct pkt_attrib *pattrib)
{
struct rf_ctl_t *rfctl = adapter_to_rfctl(adapter);
u8 sup_ch[30 * 2] = {0x00}, ch_set_idx = 0, sup_ch_idx = 2;
while (ch_set_idx < rfctl->max_chan_nums && rfctl->channel_set[ch_set_idx].ChannelNum != 0) {
if (rfctl->channel_set[ch_set_idx].ChannelNum <= 14) {
/* TODO: fix 2.4G supported channel when channel doesn't start from 1 and continuous */
sup_ch[0] = 1; /* First channel number */
sup_ch[1] = rfctl->channel_set[ch_set_idx].ChannelNum; /* Number of channel */
} else {
sup_ch[sup_ch_idx++] = rfctl->channel_set[ch_set_idx].ChannelNum;
sup_ch[sup_ch_idx++] = 1;
}
ch_set_idx++;
}
return rtw_set_ie(pframe, _SUPPORTED_CH_IE_, sup_ch_idx, sup_ch, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_rsnie(struct tdls_txmgmt *ptxmgmt, u8 *pframe, struct pkt_attrib *pattrib, int init, struct sta_info *ptdls_sta)
{
u8 *p = NULL;
int len = 0;
if (ptxmgmt->len > 0)
p = rtw_get_ie(ptxmgmt->buf, _RSN_IE_2_, &len, ptxmgmt->len);
if (p != NULL)
return rtw_set_ie(pframe, _RSN_IE_2_, len, p + 2, &(pattrib->pktlen));
else if (init == _TRUE)
return rtw_set_ie(pframe, _RSN_IE_2_, sizeof(TDLS_RSNIE), TDLS_RSNIE, &(pattrib->pktlen));
else
return rtw_set_ie(pframe, _RSN_IE_2_, sizeof(ptdls_sta->TDLS_RSNIE), ptdls_sta->TDLS_RSNIE, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_ext_cap(u8 *pframe, struct pkt_attrib *pattrib)
{
return rtw_set_ie(pframe, _EXT_CAP_IE_ , sizeof(TDLS_EXT_CAPIE), TDLS_EXT_CAPIE, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_qos_cap(u8 *pframe, struct pkt_attrib *pattrib)
{
return rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, sizeof(TDLS_WMMIE), TDLS_WMMIE, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_ftie(struct tdls_txmgmt *ptxmgmt, u8 *pframe, struct pkt_attrib *pattrib, u8 *ANonce, u8 *SNonce)
{
struct wpa_tdls_ftie FTIE = {0};
u8 *p = NULL;
int len = 0;
if (ptxmgmt->len > 0)
p = rtw_get_ie(ptxmgmt->buf, _FTIE_, &len, ptxmgmt->len);
if (p != NULL)
return rtw_set_ie(pframe, _FTIE_, len, p + 2, &(pattrib->pktlen));
else {
if (ANonce != NULL)
_rtw_memcpy(FTIE.Anonce, ANonce, WPA_NONCE_LEN);
if (SNonce != NULL)
_rtw_memcpy(FTIE.Snonce, SNonce, WPA_NONCE_LEN);
return rtw_set_ie(pframe, _FTIE_, TDLS_FTIE_DATA_LEN,
(u8 *)FTIE.data, &(pattrib->pktlen));
}
}
u8 *rtw_tdls_set_timeout_interval(struct tdls_txmgmt *ptxmgmt, u8 *pframe, struct pkt_attrib *pattrib, int init, struct sta_info *ptdls_sta)
{
u8 timeout_itvl[5]; /* set timeout interval to maximum value */
u32 timeout_interval = TDLS_TPK_RESEND_COUNT;
u8 *p = NULL;
int len = 0;
if (ptxmgmt->len > 0)
p = rtw_get_ie(ptxmgmt->buf, _TIMEOUT_ITVL_IE_, &len, ptxmgmt->len);
if (p != NULL)
return rtw_set_ie(pframe, _TIMEOUT_ITVL_IE_, len, p + 2, &(pattrib->pktlen));
else {
/* Timeout interval */
timeout_itvl[0] = 0x02;
if (init == _TRUE)
_rtw_memcpy(timeout_itvl + 1, &timeout_interval, 4);
else
_rtw_memcpy(timeout_itvl + 1, (u8 *)(&ptdls_sta->TDLS_PeerKey_Lifetime), 4);
return rtw_set_ie(pframe, _TIMEOUT_ITVL_IE_, 5, timeout_itvl, &(pattrib->pktlen));
}
}
u8 *rtw_tdls_set_bss_coexist(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
u8 iedata = 0;
if (padapter->mlmepriv.num_FortyMHzIntolerant > 0)
iedata |= BIT(2); /* 20 MHz BSS Width Request */
/* Information Bit should be set by TDLS test plan 5.9 */
iedata |= BIT(0);
return rtw_set_ie(pframe, EID_BSSCoexistence, 1, &iedata, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_payload_type(u8 *pframe, struct pkt_attrib *pattrib)
{
u8 payload_type = 0x02;
return rtw_set_fixed_ie(pframe, 1, &(payload_type), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_category(u8 *pframe, struct pkt_attrib *pattrib, u8 category)
{
return rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_action(u8 *pframe, struct pkt_attrib *pattrib, struct tdls_txmgmt *ptxmgmt)
{
return rtw_set_fixed_ie(pframe, 1, &(ptxmgmt->action_code), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_status_code(u8 *pframe, struct pkt_attrib *pattrib, struct tdls_txmgmt *ptxmgmt)
{
return rtw_set_fixed_ie(pframe, 2, (u8 *)&(ptxmgmt->status_code), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_dialog(u8 *pframe, struct pkt_attrib *pattrib, struct tdls_txmgmt *ptxmgmt)
{
u8 dialogtoken = 1;
if (ptxmgmt->dialog_token)
return rtw_set_fixed_ie(pframe, 1, &(ptxmgmt->dialog_token), &(pattrib->pktlen));
else
return rtw_set_fixed_ie(pframe, 1, &(dialogtoken), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_reg_class(u8 *pframe, struct pkt_attrib *pattrib, struct sta_info *ptdls_sta)
{
u8 reg_class = 22;
return rtw_set_fixed_ie(pframe, 1, &(reg_class), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_second_channel_offset(u8 *pframe, struct pkt_attrib *pattrib, u8 ch_offset)
{
return rtw_set_ie(pframe, EID_SecondaryChnlOffset , 1, &ch_offset, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_capability(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
u8 cap_from_ie[2] = {0};
_rtw_memcpy(cap_from_ie, rtw_get_capability_from_ie(pmlmeinfo->network.IEs), 2);
return rtw_set_fixed_ie(pframe, 2, cap_from_ie, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_supported_rate(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
u8 bssrate[NDIS_802_11_LENGTH_RATES_EX];
int bssrate_len = 0;
u8 more_supportedrates = 0;
rtw_set_supported_rate(bssrate, (padapter->registrypriv.wireless_mode == WIRELESS_MODE_MAX) ? padapter->mlmeextpriv.cur_wireless_mode : padapter->registrypriv.wireless_mode);
bssrate_len = rtw_get_rateset_len(bssrate);
if (bssrate_len > 8) {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , 8, bssrate, &(pattrib->pktlen));
more_supportedrates = 1;
} else
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , bssrate_len , bssrate, &(pattrib->pktlen));
/* extended supported rates */
if (more_supportedrates == 1)
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_ , (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen));
return pframe;
}
u8 *rtw_tdls_set_sup_reg_class(u8 *pframe, struct pkt_attrib *pattrib)
{
return rtw_set_ie(pframe, _SRC_IE_ , sizeof(TDLS_SRC), TDLS_SRC, &(pattrib->pktlen));
}
u8 *rtw_tdls_set_linkid(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib, u8 init)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 link_id_addr[18] = {0};
_rtw_memcpy(link_id_addr, get_my_bssid(&(pmlmeinfo->network)), 6);
if (init == _TRUE) {
_rtw_memcpy((link_id_addr + 6), pattrib->src, 6);
_rtw_memcpy((link_id_addr + 12), pattrib->dst, 6);
} else {
_rtw_memcpy((link_id_addr + 6), pattrib->dst, 6);
_rtw_memcpy((link_id_addr + 12), pattrib->src, 6);
}
return rtw_set_ie(pframe, _LINK_ID_IE_, 18, link_id_addr, &(pattrib->pktlen));
}
#ifdef CONFIG_TDLS_CH_SW
u8 *rtw_tdls_set_target_ch(_adapter *padapter, u8 *pframe, struct pkt_attrib *pattrib)
{
u8 target_ch = 1;
if (padapter->tdlsinfo.chsw_info.off_ch_num)
return rtw_set_fixed_ie(pframe, 1, &(padapter->tdlsinfo.chsw_info.off_ch_num), &(pattrib->pktlen));
else
return rtw_set_fixed_ie(pframe, 1, &(target_ch), &(pattrib->pktlen));
}
u8 *rtw_tdls_set_ch_sw(u8 *pframe, struct pkt_attrib *pattrib, struct sta_info *ptdls_sta)
{
u8 ch_switch_timing[4] = {0};
u16 switch_time = (ptdls_sta->ch_switch_time >= TDLS_CH_SWITCH_TIME * 1000) ?
ptdls_sta->ch_switch_time : TDLS_CH_SWITCH_TIME;
u16 switch_timeout = (ptdls_sta->ch_switch_timeout >= TDLS_CH_SWITCH_TIMEOUT * 1000) ?
ptdls_sta->ch_switch_timeout : TDLS_CH_SWITCH_TIMEOUT;
_rtw_memcpy(ch_switch_timing, &switch_time, 2);
_rtw_memcpy(ch_switch_timing + 2, &switch_timeout, 2);
return rtw_set_ie(pframe, _CH_SWITCH_TIMING_, 4, ch_switch_timing, &(pattrib->pktlen));
}
void rtw_tdls_set_ch_sw_oper_control(_adapter *padapter, u8 enable)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
if (enable == _TRUE) {
#ifdef CONFIG_TDLS_CH_SW_V2
pHalData->ch_switch_offload = _TRUE;
#endif
#ifdef CONFIG_TDLS_CH_SW_BY_DRV
pHalData->ch_switch_offload = _FALSE;
#endif
}
else
pHalData->ch_switch_offload = _FALSE;
if (ATOMIC_READ(&padapter->tdlsinfo.chsw_info.chsw_on) != enable)
ATOMIC_SET(&padapter->tdlsinfo.chsw_info.chsw_on, enable);
rtw_hal_set_hwreg(padapter, HW_VAR_TDLS_BCN_EARLY_C2H_RPT, &enable);
RTW_INFO("[TDLS] %s Bcn Early C2H Report\n", (enable == _TRUE) ? "Start" : "Stop");
}
void rtw_tdls_ch_sw_back_to_base_chnl(_adapter *padapter)
{
struct mlme_priv *pmlmepriv;
struct tdls_ch_switch *pchsw_info = &padapter->tdlsinfo.chsw_info;
pmlmepriv = &padapter->mlmepriv;
if ((ATOMIC_READ(&pchsw_info->chsw_on) == _TRUE) &&
(padapter->mlmeextpriv.cur_channel != rtw_get_oper_ch(padapter)))
rtw_tdls_cmd(padapter, pchsw_info->addr, TDLS_CH_SW_TO_BASE_CHNL_UNSOLICITED);
}
static void rtw_tdls_chsw_oper_init(_adapter *padapter, u32 timeout_ms)
{
struct submit_ctx *chsw_sctx = &padapter->tdlsinfo.chsw_info.chsw_sctx;
rtw_sctx_init(chsw_sctx, timeout_ms);
}
static int rtw_tdls_chsw_oper_wait(_adapter *padapter)
{
struct submit_ctx *chsw_sctx = &padapter->tdlsinfo.chsw_info.chsw_sctx;
return rtw_sctx_wait(chsw_sctx, __func__);
}
void rtw_tdls_chsw_oper_done(_adapter *padapter)
{
struct submit_ctx *chsw_sctx = &padapter->tdlsinfo.chsw_info.chsw_sctx;
rtw_sctx_done(&chsw_sctx);
}
s32 rtw_tdls_do_ch_sw(_adapter *padapter, struct sta_info *ptdls_sta, u8 chnl_type, u8 channel, u8 channel_offset, u16 bwmode, u16 ch_switch_time)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
u32 ch_sw_time_start, ch_sw_time_spent, wait_time;
u8 take_care_iqk;
s32 ret = _FAIL;
ch_sw_time_start = rtw_systime_to_ms(rtw_get_current_time());
/* set mac_id sleep before channel switch */
rtw_hal_macid_sleep(padapter, ptdls_sta->cmn.mac_id);
#if defined(CONFIG_TDLS_CH_SW_BY_DRV) || defined(CONFIG_TDLS_CH_SW_V2)
set_channel_bwmode(padapter, channel, channel_offset, bwmode);
ret = _SUCCESS;
#else