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8821cu-20210916
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8821cu-20210916/core/rtw_beamforming.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_BEAMFORMING_C_
#include <drv_types.h>
#include <hal_data.h>
#ifdef CONFIG_BEAMFORMING
#ifdef RTW_BEAMFORMING_VERSION_2
struct ndpa_sta_info {
u16 aid:12;
u16 feedback_type:1;
u16 nc_index:3;
};
static void _get_txvector_parameter(PADAPTER adapter, struct sta_info *sta, u8 *g_id, u16 *p_aid)
{
struct mlme_priv *mlme;
u16 aid;
u8 *bssid;
u16 val16;
u8 i;
mlme = &adapter->mlmepriv;
if (check_fwstate(mlme, WIFI_AP_STATE)) {
/*
* Sent by an AP and addressed to a STA associated with that AP
* or sent by a DLS or TDLS STA in a direct path to
* a DLS or TDLS peer STA
*/
aid = sta->cmn.aid;
bssid = adapter_mac_addr(adapter);
RTW_INFO("%s: AID=0x%x BSSID=" MAC_FMT "\n",
__FUNCTION__, sta->cmn.aid, MAC_ARG(bssid));
/* AID[0:8] */
aid &= 0x1FF;
/* BSSID[44:47] xor BSSID[40:43] */
val16 = ((bssid[5] & 0xF0) >> 4) ^ (bssid[5] & 0xF);
/* (dec(AID[0:8]) + dec(BSSID)*2^5) mod 2^9 */
*p_aid = (aid + (val16 << 5)) & 0x1FF;
*g_id = 63;
} else if ((check_fwstate(mlme, WIFI_ADHOC_STATE) == _TRUE)
|| (check_fwstate(mlme, WIFI_ADHOC_MASTER_STATE) == _TRUE)) {
/*
* Otherwise, includes
* 1. Sent to an IBSS STA
* 2. Sent by an AP to a non associated STA
* 3. Sent to a STA for which it is not known
* which condition is applicable
*/
*p_aid = 0;
*g_id = 63;
} else {
/* Addressed to AP */
bssid = sta->cmn.mac_addr;
RTW_INFO("%s: BSSID=" MAC_FMT "\n", __FUNCTION__, MAC_ARG(bssid));
/* BSSID[39:47] */
*p_aid = (bssid[5] << 1) | (bssid[4] >> 7);
*g_id = 0;
}
RTW_INFO("%s: GROUP_ID=0x%02x PARTIAL_AID=0x%04x\n",
__FUNCTION__, *g_id, *p_aid);
}
/*
* Parameters
* adapter struct _adapter*
* sta struct sta_info*
* sta_bf_cap beamforming capabe of sta
* sounding_dim Number of Sounding Dimensions
* comp_steering Compressed Steering Number of Beamformer Antennas Supported
*/
static void _get_sta_beamform_cap(PADAPTER adapter, struct sta_info *sta,
u8 *sta_bf_cap, u8 *sounding_dim, u8 *comp_steering)
{
struct beamforming_info *info;
struct mlme_priv *mlme;
struct ht_priv *ht;
u16 ht_bf_cap;
#ifdef CONFIG_80211AC_VHT
struct vht_priv *vht;
u16 vht_bf_cap;
#endif /* CONFIG_80211AC_VHT */
*sta_bf_cap = 0;
*sounding_dim = 0;
*comp_steering = 0;
info = GET_BEAMFORM_INFO(adapter);
ht = &adapter->mlmepriv.htpriv;
#ifdef CONFIG_80211AC_VHT
vht = &adapter->mlmepriv.vhtpriv;
#endif /* CONFIG_80211AC_VHT */
mlme = &adapter->mlmepriv;
if (is_supported_ht(sta->wireless_mode) == _FALSE)
goto get_bfcap_next;
/* HT */
if (check_fwstate(mlme, WIFI_AP_STATE)) {
/* Get peer clinet's BF cap: the cap. is intersected with associated AP.*/
ht_bf_cap = sta->htpriv.beamform_cap;
RTW_INFO("At AP state, peer sta's ht_bf_cap=0x%x\n", ht_bf_cap);
if (TEST_FLAG(ht_bf_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE)) {
info->beamforming_cap |= BEAMFORMER_CAP_HT_EXPLICIT;
*sta_bf_cap |= BEAMFORMEE_CAP_HT_EXPLICIT;
*comp_steering = (ht_bf_cap & BEAMFORMING_HT_BEAMFORMER_STEER_NUM) >> 4;
RTW_INFO("%s: we support BEAMFORMER_CAP_HT_EXPLICIT\n", __func__);
}
if (TEST_FLAG(ht_bf_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE)) {
info->beamforming_cap |= BEAMFORMEE_CAP_HT_EXPLICIT;
*sta_bf_cap |= BEAMFORMER_CAP_HT_EXPLICIT;
*sounding_dim = (ht_bf_cap & BEAMFORMING_HT_BEAMFORMEE_CHNL_EST_CAP) >> 6;
RTW_INFO("%s: we support BEAMFORMEE_CAP_HT_EXPLICIT\n", __func__);
}
} else {
/* Get adapter's BF Cap: the cap. is intersected with associated AP.*/
ht_bf_cap = ht->beamform_cap;
RTW_INFO("At non-AP state, adapter's ht_bf_cap=0x%x\n", ht_bf_cap);
if (TEST_FLAG(ht_bf_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE)) {
info->beamforming_cap |= BEAMFORMEE_CAP_HT_EXPLICIT;
*sta_bf_cap |= BEAMFORMER_CAP_HT_EXPLICIT;
*sounding_dim = (ht_bf_cap & BEAMFORMING_HT_BEAMFORMEE_CHNL_EST_CAP) >> 6;
RTW_INFO("%s: we support BEAMFORMEE_CAP_HT_EXPLICIT\n", __func__);
}
if (TEST_FLAG(ht_bf_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE)) {
info->beamforming_cap |= BEAMFORMER_CAP_HT_EXPLICIT;
*sta_bf_cap |= BEAMFORMEE_CAP_HT_EXPLICIT;
*comp_steering = (ht_bf_cap & BEAMFORMING_HT_BEAMFORMER_STEER_NUM) >> 4;
RTW_INFO("%s: we support BEAMFORMER_CAP_HT_EXPLICIT\n", __func__);
}
}
get_bfcap_next:
#ifdef CONFIG_80211AC_VHT
if (is_supported_vht(sta->wireless_mode) == _FALSE)
return;
/* VHT */
if (check_fwstate(mlme, WIFI_AP_STATE)) {
/* Get peer clinet's BF cap: the cap. is intersected with associated AP.*/
vht_bf_cap = sta->vhtpriv.beamform_cap;
RTW_INFO("At AP state, peer sta's vht_bf_cap=0x%x\n", vht_bf_cap);
/* We are SU Beamformer because the STA is SU Beamformee */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE)) {
info->beamforming_cap |= BEAMFORMER_CAP_VHT_SU;
*sta_bf_cap |= BEAMFORMEE_CAP_VHT_SU;
RTW_INFO("%s: we support BEAMFORMER_CAP_VHT_SU\n", __func__);
/* We are MU Beamformer because the STA is MU Beamformee */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE)) {
info->beamforming_cap |= BEAMFORMER_CAP_VHT_MU;
*sta_bf_cap |= BEAMFORMEE_CAP_VHT_MU;
RTW_INFO("%s: we support BEAMFORMER_CAP_VHT_MU\n", __func__);
}
*comp_steering = (vht_bf_cap & BEAMFORMING_VHT_BEAMFORMER_STS_CAP) >> 8;
}
/* We are SU Beamformee because the STA is SU Beamformer */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE)) {
info->beamforming_cap |= BEAMFORMEE_CAP_VHT_SU;
*sta_bf_cap |= BEAMFORMER_CAP_VHT_SU;
RTW_INFO("%s: we support BEAMFORMEE_CAP_VHT_SU\n", __func__);
/* The STA is MU Beamformer, but we(AP) should not be MU Beamformee */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE)) {
RTW_WARN("%s: Associated STA should not be a MU BFer.\n", __func__);
}
*sounding_dim = (vht_bf_cap & BEAMFORMING_VHT_BEAMFORMEE_SOUND_DIM) >> 12;
}
} else {
/* Get adapter's BF Cap: the cap. is intersected with associated AP.*/
vht_bf_cap = vht->beamform_cap;
RTW_INFO("At non-AP state, adapter's vht_bf_cap=0x%x\n", vht_bf_cap);
/* We are SU Beamformee */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE)) {
info->beamforming_cap |= BEAMFORMEE_CAP_VHT_SU;
*sta_bf_cap |= BEAMFORMER_CAP_VHT_SU;
RTW_INFO("%s: we support BEAMFORMEE_CAP_VHT_SU\n", __func__);
/* We are MU Beamformee */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE)) {
info->beamforming_cap |= BEAMFORMEE_CAP_VHT_MU;
*sta_bf_cap |= BEAMFORMER_CAP_VHT_MU;
RTW_INFO("%s: we support BEAMFORMEE_CAP_VHT_MU\n", __func__);
}
*sounding_dim = (vht_bf_cap & BEAMFORMING_VHT_BEAMFORMEE_SOUND_DIM) >> 12;
}
/* We are SU Beamformer */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE)) {
info->beamforming_cap |= BEAMFORMER_CAP_VHT_SU;
*sta_bf_cap |= BEAMFORMEE_CAP_VHT_SU;
RTW_INFO("%s: we support BEAMFORMER_CAP_VHT_SU\n", __func__);
/* We are MU Beamformer, but client should not be a MU Beamformer */
if (TEST_FLAG(vht_bf_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE)) {
RTW_WARN("%s: non-AP state should not support MU BFer.\n", __func__);
}
*comp_steering = (vht_bf_cap & BEAMFORMING_VHT_BEAMFORMER_STS_CAP) >> 8;
}
}
#endif /* CONFIG_80211AC_VHT */
}
static u8 _send_ht_ndpa_packet(PADAPTER adapter, u8 *ra, enum channel_width bw)
{
/* General */
struct xmit_priv *pxmitpriv;
struct mlme_ext_priv *pmlmeext;
struct mlme_ext_info *pmlmeinfo;
struct xmit_frame *pmgntframe;
/* Beamforming */
struct beamforming_info *info;
struct beamformee_entry *bfee;
struct ndpa_sta_info sta_info;
u8 ActionHdr[4] = {ACT_CAT_VENDOR, 0x00, 0xE0, 0x4C};
/* MISC */
struct pkt_attrib *attrib;
struct rtw_ieee80211_hdr *pwlanhdr;
enum MGN_RATE txrate;
u8 *pframe;
u16 duration = 0;
u8 aSifsTime = 0;
RTW_INFO("+%s: Send to " MAC_FMT "\n", __FUNCTION__, MAC_ARG(ra));
pxmitpriv = &adapter->xmitpriv;
pmlmeext = &adapter->mlmeextpriv;
pmlmeinfo = &pmlmeext->mlmext_info;
bfee = rtw_bf_bfee_get_entry_by_addr(adapter, ra);
if (!bfee) {
RTW_ERR("%s: Cann't find beamformee entry!\n", __FUNCTION__);
return _FALSE;
}
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
RTW_ERR("%s: alloc mgnt frame fail!\n", __FUNCTION__);
return _FALSE;
}
txrate = beamforming_get_htndp_tx_rate(GET_PDM_ODM(adapter), bfee->comp_steering_num_of_bfer);
/* update attribute */
attrib = &pmgntframe->attrib;
update_mgntframe_attrib(adapter, attrib);
/*attrib->type = WIFI_MGT_TYPE;*/ /* set in update_mgntframe_attrib() */
attrib->subtype = WIFI_ACTION_NOACK;
attrib->bwmode = bw;
/*attrib->qsel = QSLT_MGNT;*/ /* set in update_mgntframe_attrib() */
attrib->order = 1;
attrib->rate = (u8)txrate;
attrib->bf_pkt_type = 0;
_rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
/* Frame control */
pwlanhdr->frame_ctl = 0;
set_frame_sub_type(pframe, attrib->subtype);
set_order_bit(pframe);
/* Duration */
if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
aSifsTime = 10;
else
aSifsTime = 16;
duration = 2 * aSifsTime + 40;
if (bw == CHANNEL_WIDTH_40)
duration += 87;
else
duration += 180;
set_duration(pframe, duration);
/* DA */
_rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN);
/* SA */
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(adapter), ETH_ALEN);
/* BSSID */
_rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
/* HT control field */
SET_HT_CTRL_CSI_STEERING(pframe + 24, 3);
SET_HT_CTRL_NDP_ANNOUNCEMENT(pframe + 24, 1);
/*
* Frame Body
* Category field: vender-specific value, 0x7F
* OUI: 0x00E04C
*/
_rtw_memcpy(pframe + 28, ActionHdr, 4);
attrib->pktlen = 32;
attrib->last_txcmdsz = attrib->pktlen;
dump_mgntframe(adapter, pmgntframe);
return _TRUE;
}
static u8 _send_vht_ndpa_packet(PADAPTER adapter, u8 *ra, u16 aid, enum channel_width bw)
{
/* General */
struct xmit_priv *pxmitpriv;
struct mlme_ext_priv *pmlmeext;
struct xmit_frame *pmgntframe;
/* Beamforming */
struct beamforming_info *info;
struct beamformee_entry *bfee;
struct ndpa_sta_info sta_info;
/* MISC */
struct pkt_attrib *attrib;
struct rtw_ieee80211_hdr *pwlanhdr;
u8 *pframe;
enum MGN_RATE txrate;
u16 duration = 0;
u8 sequence = 0, aSifsTime = 0;
RTW_INFO("+%s: Send to " MAC_FMT "\n", __FUNCTION__, MAC_ARG(ra));
pxmitpriv = &adapter->xmitpriv;
pmlmeext = &adapter->mlmeextpriv;
info = GET_BEAMFORM_INFO(adapter);
bfee = rtw_bf_bfee_get_entry_by_addr(adapter, ra);
if (!bfee) {
RTW_ERR("%s: Cann't find beamformee entry!\n", __FUNCTION__);
return _FALSE;
}
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
RTW_ERR("%s: alloc mgnt frame fail!\n", __FUNCTION__);
return _FALSE;
}
txrate = beamforming_get_vht_ndp_tx_rate(GET_PDM_ODM(adapter), bfee->comp_steering_num_of_bfer);
/* update attribute */
attrib = &pmgntframe->attrib;
update_mgntframe_attrib(adapter, attrib);
/*pattrib->type = WIFI_MGT_TYPE;*/ /* set in update_mgntframe_attrib() */
attrib->subtype = WIFI_NDPA;
attrib->bwmode = bw;
/*attrib->qsel = QSLT_MGNT;*/ /* set in update_mgntframe_attrib() */
attrib->rate = (u8)txrate;
attrib->bf_pkt_type = 0;
_rtw_memset(pmgntframe->buf_addr, 0, TXDESC_OFFSET + WLANHDR_OFFSET);
pframe = pmgntframe->buf_addr + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
/* Frame control */
pwlanhdr->frame_ctl = 0;
set_frame_sub_type(pframe, attrib->subtype);
/* Duration */
if (is_supported_5g(pmlmeext->cur_wireless_mode) || is_supported_ht(pmlmeext->cur_wireless_mode))
aSifsTime = 16;
else
aSifsTime = 10;
duration = 2 * aSifsTime + 44;
if (bw == CHANNEL_WIDTH_80)
duration += 40;
else if (bw == CHANNEL_WIDTH_40)
duration += 87;
else
duration += 180;
set_duration(pframe, duration);
/* RA */
_rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN);
/* TA */
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(adapter), ETH_ALEN);
/* Sounding Sequence, bit0~1 is reserved */
sequence = info->sounding_sequence << 2;
if (info->sounding_sequence >= 0x3f)
info->sounding_sequence = 0;
else
info->sounding_sequence++;
_rtw_memcpy(pframe + 16, &sequence, 1);
/* STA Info */
/*
* "AID12" Equal to 0 if the STA is an AP, mesh STA or
* STA that is a member of an IBSS
*/
if (check_fwstate(&adapter->mlmepriv, WIFI_AP_STATE) == _FALSE)
aid = 0;
sta_info.aid = aid;
/* "Feedback Type" set to 0 for SU */
sta_info.feedback_type = 0;
/* "Nc Index" reserved if the Feedback Type field indicates SU */
sta_info.nc_index = 0;
_rtw_memcpy(pframe + 17, (u8 *)&sta_info, 2);
attrib->pktlen = 19;
attrib->last_txcmdsz = attrib->pktlen;
dump_mgntframe(adapter, pmgntframe);
return _TRUE;
}
static u8 _send_vht_mu_ndpa_packet(PADAPTER adapter, enum channel_width bw)
{
/* General */
struct xmit_priv *pxmitpriv;
struct mlme_ext_priv *pmlmeext;
struct xmit_frame *pmgntframe;
/* Beamforming */
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
struct ndpa_sta_info sta_info;
/* MISC */
struct pkt_attrib *attrib;
struct rtw_ieee80211_hdr *pwlanhdr;
enum MGN_RATE txrate;
u8 *pframe;
u8 *ra = NULL;
u16 duration = 0;
u8 sequence = 0, aSifsTime = 0;
u8 i;
RTW_INFO("+%s\n", __FUNCTION__);
pxmitpriv = &adapter->xmitpriv;
pmlmeext = &adapter->mlmeextpriv;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
txrate = MGN_VHT2SS_MCS0;
/*
* Fill the first MU BFee entry (STA1) MAC addr to destination address then
* HW will change A1 to broadcast addr.
* 2015.05.28. Suggested by SD1 Chunchu.
*/
bfee = &info->bfee_entry[sounding->mu_sounding_list[0]];
ra = bfee->mac_addr;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
RTW_ERR("%s: alloc mgnt frame fail!\n", __FUNCTION__);
return _FALSE;
}
/* update attribute */
attrib = &pmgntframe->attrib;
update_mgntframe_attrib(adapter, attrib);
/*attrib->type = WIFI_MGT_TYPE;*/ /* set in update_mgntframe_attrib() */
attrib->subtype = WIFI_NDPA;
attrib->bwmode = bw;
/*attrib->qsel = QSLT_MGNT;*/ /* set in update_mgntframe_attrib() */
attrib->rate = (u8)txrate;
/* Set TxBFPktType of Tx desc to unicast type if there is only one MU STA for HW design */
if (info->sounding_info.candidate_mu_bfee_cnt > 1)
attrib->bf_pkt_type = 1;
else
attrib->bf_pkt_type = 0;
_rtw_memset(pmgntframe->buf_addr, 0, TXDESC_OFFSET + WLANHDR_OFFSET);
pframe = pmgntframe->buf_addr + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
/* Frame control */
pwlanhdr->frame_ctl = 0;
set_frame_sub_type(pframe, attrib->subtype);
/* Duration */
if (is_supported_5g(pmlmeext->cur_wireless_mode) || is_supported_ht(pmlmeext->cur_wireless_mode))
aSifsTime = 16;
else
aSifsTime = 10;
duration = 2 * aSifsTime + 44;
if (bw == CHANNEL_WIDTH_80)
duration += 40;
else if (bw == CHANNEL_WIDTH_40)
duration += 87;
else
duration += 180;
set_duration(pframe, duration);
/* RA */
_rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN);
/* TA */
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(adapter), ETH_ALEN);
/* Sounding Sequence, bit0~1 is reserved */
sequence = info->sounding_sequence << 2;
if (info->sounding_sequence >= 0x3f)
info->sounding_sequence = 0;
else
info->sounding_sequence++;
_rtw_memcpy(pframe + 16, &sequence, 1);
attrib->pktlen = 17;
/*
* Construct STA info. for multiple STAs
* STA Info1, ..., STA Info n
*/
for (i = 0; i < sounding->candidate_mu_bfee_cnt; i++) {
bfee = &info->bfee_entry[sounding->mu_sounding_list[i]];
sta_info.aid = bfee->aid;
sta_info.feedback_type = 1; /* 1'b1: MU */
sta_info.nc_index = 0;
_rtw_memcpy(pframe + attrib->pktlen, (u8 *)&sta_info, 2);
attrib->pktlen += 2;
}
attrib->last_txcmdsz = attrib->pktlen;
dump_mgntframe(adapter, pmgntframe);
return _TRUE;
}
static u8 _send_bf_report_poll(PADAPTER adapter, u8 *ra, u8 bFinalPoll)
{
/* General */
struct xmit_priv *pxmitpriv;
struct xmit_frame *pmgntframe;
/* MISC */
struct pkt_attrib *attrib;
struct rtw_ieee80211_hdr *pwlanhdr;
u8 *pframe;
RTW_INFO("+%s: Send to " MAC_FMT "\n", __FUNCTION__, MAC_ARG(ra));
pxmitpriv = &adapter->xmitpriv;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
RTW_ERR("%s: alloc mgnt frame fail!\n", __FUNCTION__);
return _FALSE;
}
/* update attribute */
attrib = &pmgntframe->attrib;
update_mgntframe_attrib(adapter, attrib);
/*attrib->type = WIFI_MGT_TYPE;*/ /* set in update_mgntframe_attrib() */
attrib->subtype = WIFI_BF_REPORT_POLL;
attrib->bwmode = CHANNEL_WIDTH_20;
/*attrib->qsel = QSLT_MGNT;*/ /* set in update_mgntframe_attrib() */
attrib->rate = MGN_6M;
if (bFinalPoll)
attrib->bf_pkt_type = 3;
else
attrib->bf_pkt_type = 2;
_rtw_memset(pmgntframe->buf_addr, 0, TXDESC_OFFSET + WLANHDR_OFFSET);
pframe = pmgntframe->buf_addr + TXDESC_OFFSET;
pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
/* Frame control */
pwlanhdr->frame_ctl = 0;
set_frame_sub_type(pframe, attrib->subtype);
/* Duration */
set_duration(pframe, 100);
/* RA */
_rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN);
/* TA */
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(adapter), ETH_ALEN);
/* Feedback Segment Retransmission Bitmap */
pframe[16] = 0xFF;
attrib->pktlen = 17;
attrib->last_txcmdsz = attrib->pktlen;
dump_mgntframe(adapter, pmgntframe);
return _TRUE;
}
static void _sounding_update_min_period(PADAPTER adapter, u16 period, u8 leave)
{
struct beamforming_info *info;
struct beamformee_entry *bfee;
u8 i = 0;
u16 min_val = 0xFFFF;
info = GET_BEAMFORM_INFO(adapter);
if (_TRUE == leave) {
/*
* When a BFee left,
* we need to find the latest min sounding period
* from the remaining BFees
*/
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if ((bfee->used == _TRUE)
&& (bfee->sound_period < min_val))
min_val = bfee->sound_period;
}
if (min_val == 0xFFFF)
info->sounding_info.min_sounding_period = 0;
else
info->sounding_info.min_sounding_period = min_val;
} else {
if ((info->sounding_info.min_sounding_period == 0)
|| (period < info->sounding_info.min_sounding_period))
info->sounding_info.min_sounding_period = period;
}
}
static void _sounding_init(struct sounding_info *sounding)
{
_rtw_memset(sounding->su_sounding_list, 0xFF, MAX_NUM_BEAMFORMEE_SU);
_rtw_memset(sounding->mu_sounding_list, 0xFF, MAX_NUM_BEAMFORMEE_MU);
sounding->state = SOUNDING_STATE_NONE;
sounding->su_bfee_curidx = 0xFF;
sounding->candidate_mu_bfee_cnt = 0;
sounding->min_sounding_period = 0;
sounding->sound_remain_cnt_per_period = 0;
}
static void _sounding_reset_vars(PADAPTER adapter)
{
struct beamforming_info *info;
struct sounding_info *sounding;
u8 idx;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
_rtw_memset(sounding->su_sounding_list, 0xFF, MAX_NUM_BEAMFORMEE_SU);
_rtw_memset(sounding->mu_sounding_list, 0xFF, MAX_NUM_BEAMFORMEE_MU);
sounding->su_bfee_curidx = 0xFF;
sounding->candidate_mu_bfee_cnt = 0;
/* Clear bSound flag for the new period */
for (idx = 0; idx < MAX_BEAMFORMEE_ENTRY_NUM; idx++) {
if ((info->bfee_entry[idx].used == _TRUE)
&& (info->bfee_entry[idx].sounding == _TRUE)) {
info->bfee_entry[idx].sounding = _FALSE;
info->bfee_entry[idx].bCandidateSoundingPeer = _FALSE;
}
}
}
/*
* Return
* 0 Prepare sounding list OK
* -1 Fail to prepare sounding list, because no beamformee need to souding
* -2 Fail to prepare sounding list, because beamformee state not ready
*
*/
static int _sounding_get_list(PADAPTER adapter)
{
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
u8 i, mu_idx = 0, su_idx = 0, not_ready = 0;
int ret = 0;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
/* Add MU BFee list first because MU priority is higher than SU */
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (bfee->used == _FALSE)
continue;
if (bfee->state != BEAMFORM_ENTRY_HW_STATE_ADDED) {
RTW_ERR("%s: Invalid BFee idx(%d) Hw state=%d\n", __FUNCTION__, i, bfee->state);
not_ready++;
continue;
}
/*
* Decrease BFee's SoundCnt per period
* If the remain count is 0,
* then it can be sounded at this time
*/
if (bfee->SoundCnt) {
bfee->SoundCnt--;
if (bfee->SoundCnt)
continue;
}
/*
* <tynli_Note>
* If the STA supports MU BFee capability then we add it to MUSoundingList directly
* because we can only sound one STA by unicast NDPA with MU cap enabled to get correct channel info.
* Suggested by BB team Luke Lee. 2015.11.25.
*/
if (bfee->cap & BEAMFORMEE_CAP_VHT_MU) {
/* MU BFee */
if (mu_idx >= MAX_NUM_BEAMFORMEE_MU) {
RTW_ERR("%s: Too much MU bfee entry(Limit:%d)\n", __FUNCTION__, MAX_NUM_BEAMFORMEE_MU);
continue;
}
if (bfee->bApplySounding == _TRUE) {
bfee->bCandidateSoundingPeer = _TRUE;
bfee->SoundCnt = GetInitSoundCnt(bfee->sound_period, sounding->min_sounding_period);
sounding->mu_sounding_list[mu_idx] = i;
mu_idx++;
}
} else if (bfee->cap & (BEAMFORMEE_CAP_VHT_SU|BEAMFORMEE_CAP_HT_EXPLICIT)) {
/* SU BFee (HT/VHT) */
if (su_idx >= MAX_NUM_BEAMFORMEE_SU) {
RTW_ERR("%s: Too much SU bfee entry(Limit:%d)\n", __FUNCTION__, MAX_NUM_BEAMFORMEE_SU);
continue;
}
if (bfee->bDeleteSounding == _TRUE) {
sounding->su_sounding_list[su_idx] = i;
su_idx++;
} else if ((bfee->bApplySounding == _TRUE)
&& (bfee->bSuspendSUCap == _FALSE)) {
bfee->bCandidateSoundingPeer = _TRUE;
bfee->SoundCnt = GetInitSoundCnt(bfee->sound_period, sounding->min_sounding_period);
sounding->su_sounding_list[su_idx] = i;
su_idx++;
}
}
}
sounding->candidate_mu_bfee_cnt = mu_idx;
if (su_idx + mu_idx == 0) {
ret = -1;
if (not_ready)
ret = -2;
}
RTW_INFO("-%s: There are %d SU and %d MU BFees in this sounding period\n", __FUNCTION__, su_idx, mu_idx);
return ret;
}
static void _sounding_handler(PADAPTER adapter)
{
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
u8 su_idx, i;
u32 timeout_period = 0;
u8 set_timer = _FALSE;
int ret = 0;
static u16 wait_cnt = 0;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
RTW_DBG("+%s: state=%d\n", __FUNCTION__, sounding->state);
if ((sounding->state != SOUNDING_STATE_INIT)
&& (sounding->state != SOUNDING_STATE_SU_SOUNDDOWN)
&& (sounding->state != SOUNDING_STATE_MU_SOUNDDOWN)
&& (sounding->state != SOUNDING_STATE_SOUNDING_TIMEOUT)) {
RTW_WARN("%s: Invalid State(%d) and return!\n", __FUNCTION__, sounding->state);
return;
}
if (sounding->state == SOUNDING_STATE_INIT) {
RTW_INFO("%s: Sounding start\n", __FUNCTION__);
/* Init Var */
_sounding_reset_vars(adapter);
/* Get the sounding list of this sounding period */
ret = _sounding_get_list(adapter);
if (ret == -1) {
wait_cnt = 0;
sounding->state = SOUNDING_STATE_NONE;
RTW_ERR("%s: No BFees found, set to SOUNDING_STATE_NONE\n", __FUNCTION__);
info->sounding_running--;
return;
}
if (ret == -2) {
RTW_WARN("%s: Temporarily cann't find BFee to sounding\n", __FUNCTION__);
if (wait_cnt < 5) {
wait_cnt++;
} else {
wait_cnt = 0;
sounding->state = SOUNDING_STATE_NONE;
RTW_ERR("%s: Wait changing state timeout!! Set to SOUNDING_STATE_NONE\n", __FUNCTION__);
}
info->sounding_running--;
return;
}
if (ret != 0) {
wait_cnt = 0;
RTW_ERR("%s: Unkown state(%d)!\n", __FUNCTION__, ret);
info->sounding_running--;
return;
}
wait_cnt = 0;
if (check_fwstate(&adapter->mlmepriv, WIFI_UNDER_SURVEY) == _TRUE) {
RTW_INFO("%s: Sounding abort! scanning APs...\n", __FUNCTION__);
info->sounding_running--;
return;
}
rtw_ps_deny(adapter, PS_DENY_BEAMFORMING);
LeaveAllPowerSaveModeDirect(adapter);
}
/* Get non-sound SU BFee index */
for (i = 0; i < MAX_NUM_BEAMFORMEE_SU; i++) {
su_idx = sounding->su_sounding_list[i];
if (su_idx >= MAX_BEAMFORMEE_ENTRY_NUM)
continue;
bfee = &info->bfee_entry[su_idx];
if (_FALSE == bfee->sounding)
break;
}
if (i < MAX_NUM_BEAMFORMEE_SU) {
sounding->su_bfee_curidx = su_idx;
/* Set to sounding start state */
sounding->state = SOUNDING_STATE_SU_START;
RTW_DBG("%s: Set to SOUNDING_STATE_SU_START\n", __FUNCTION__);
bfee->sounding = _TRUE;
/* Reset sounding timeout flag for the new sounding */
bfee->bSoundingTimeout = _FALSE;
if (_TRUE == bfee->bDeleteSounding) {
u8 res = _FALSE;
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_END_PERIOD, &res, 1, 0);
return;
}
/* Start SU sounding */
if (bfee->cap & BEAMFORMEE_CAP_VHT_SU)
_send_vht_ndpa_packet(adapter, bfee->mac_addr, bfee->aid, bfee->sound_bw);
else if (bfee->cap & BEAMFORMEE_CAP_HT_EXPLICIT)
_send_ht_ndpa_packet(adapter, bfee->mac_addr, bfee->sound_bw);
/* Set sounding timeout timer */
_set_timer(&info->sounding_timeout_timer, SU_SOUNDING_TIMEOUT);
return;
}
if (sounding->candidate_mu_bfee_cnt > 0) {
/*
* If there is no SU BFee then find MU BFee and perform MU sounding
*
* <tynli_note> Need to check the MU starting condition. 2015.12.15.
*/
sounding->state = SOUNDING_STATE_MU_START;
RTW_DBG("%s: Set to SOUNDING_STATE_MU_START\n", __FUNCTION__);
/* Update MU BFee info */
for (i = 0; i < sounding->candidate_mu_bfee_cnt; i++) {
bfee = &info->bfee_entry[sounding->mu_sounding_list[i]];
bfee->sounding = _TRUE;
}
/* Send MU NDPA */
bfee = &info->bfee_entry[sounding->mu_sounding_list[0]];
_send_vht_mu_ndpa_packet(adapter, bfee->sound_bw);
/* Send BF report poll if more than 1 MU STA */
for (i = 1; i < sounding->candidate_mu_bfee_cnt; i++) {
bfee = &info->bfee_entry[sounding->mu_sounding_list[i]];
if (i == (sounding->candidate_mu_bfee_cnt - 1))/* The last STA*/
_send_bf_report_poll(adapter, bfee->mac_addr, _TRUE);
else
_send_bf_report_poll(adapter, bfee->mac_addr, _FALSE);
}
sounding->candidate_mu_bfee_cnt = 0;
/* Set sounding timeout timer */
_set_timer(&info->sounding_timeout_timer, MU_SOUNDING_TIMEOUT);
return;
}
info->sounding_running--;
sounding->state = SOUNDING_STATE_INIT;
RTW_INFO("%s: Sounding finished!\n", __FUNCTION__);
rtw_ps_deny_cancel(adapter, PS_DENY_BEAMFORMING);
}
static void _sounding_force_stop(PADAPTER adapter)
{
struct beamforming_info *info;
struct sounding_info *sounding;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
if ((sounding->state == SOUNDING_STATE_SU_START)
|| (sounding->state == SOUNDING_STATE_MU_START)) {
u8 res = _FALSE;
_cancel_timer_ex(&info->sounding_timeout_timer);
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_END_PERIOD, &res, 1, 1);
return;
}
info->sounding_running--;
sounding->state = SOUNDING_STATE_INIT;
RTW_INFO("%s: Sounding finished!\n", __FUNCTION__);
rtw_ps_deny_cancel(adapter, PS_DENY_BEAMFORMING);
}
static void _sounding_timer_handler(void *FunctionContext)
{
PADAPTER adapter;
struct beamforming_info *info;
struct sounding_info *sounding;
static u8 delay = 0;
RTW_DBG("+%s\n", __FUNCTION__);
adapter = (PADAPTER)FunctionContext;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
if (SOUNDING_STATE_NONE == sounding->state) {
RTW_INFO("%s: Stop!\n", __FUNCTION__);
if (info->sounding_running)
RTW_WARN("%s: souding_running=%d when thread stop!\n",
__FUNCTION__, info->sounding_running);
return;
}
_set_timer(&info->sounding_timer, sounding->min_sounding_period);
if (!info->sounding_running) {
if (SOUNDING_STATE_INIT != sounding->state) {
RTW_WARN("%s: state(%d) != SOUNDING_STATE_INIT!!\n", __FUNCTION__, sounding->state);
sounding->state = SOUNDING_STATE_INIT;
}
delay = 0;
info->sounding_running++;
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_START_PERIOD, NULL, 0, 1);
} else {
if (delay != 0xFF)
delay++;
RTW_WARN("%s: souding is still processing...(state:%d, running:%d, delay:%d)\n",
__FUNCTION__, sounding->state, info->sounding_running, delay);
if (delay > 3) {
RTW_WARN("%s: Stop sounding!!\n", __FUNCTION__);
_sounding_force_stop(adapter);
}
}
}
static void _sounding_timeout_timer_handler(void *FunctionContext)
{
PADAPTER adapter;
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
RTW_WARN("+%s\n", __FUNCTION__);
adapter = (PADAPTER)FunctionContext;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
if (SOUNDING_STATE_SU_START == sounding->state) {
sounding->state = SOUNDING_STATE_SOUNDING_TIMEOUT;
RTW_ERR("%s: Set to SU SOUNDING_STATE_SOUNDING_TIMEOUT\n", __FUNCTION__);
/* SU BFee */
bfee = &info->bfee_entry[sounding->su_bfee_curidx];
bfee->bSoundingTimeout = _TRUE;
RTW_WARN("%s: The BFee entry[%d] is Sounding Timeout!\n", __FUNCTION__, sounding->su_bfee_curidx);
} else if (SOUNDING_STATE_MU_START == sounding->state) {
sounding->state = SOUNDING_STATE_SOUNDING_TIMEOUT;
RTW_ERR("%s: Set to MU SOUNDING_STATE_SOUNDING_TIMEOUT\n", __FUNCTION__);
} else {
RTW_WARN("%s: unexpected sounding state:0x%02x\n", __FUNCTION__, sounding->state);
return;
}
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_START_PERIOD, NULL, 0, 1);
}
static struct beamformer_entry *_bfer_get_free_entry(PADAPTER adapter)
{
u8 i = 0;
struct beamforming_info *info;
struct beamformer_entry *bfer;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMER_ENTRY_NUM; i++) {
bfer = &info->bfer_entry[i];
if (bfer->used == _FALSE)
return bfer;
}
return NULL;
}
static struct beamformer_entry *_bfer_get_entry_by_addr(PADAPTER adapter, u8 *ra)
{
u8 i = 0;
struct beamforming_info *info;
struct beamformer_entry *bfer;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMER_ENTRY_NUM; i++) {
bfer = &info->bfer_entry[i];
if (bfer->used == _FALSE)
continue;
if (_rtw_memcmp(ra, bfer->mac_addr, ETH_ALEN) == _TRUE)
return bfer;
}
return NULL;
}
static struct beamformer_entry *_bfer_add_entry(PADAPTER adapter,
struct sta_info *sta, u8 bf_cap, u8 sounding_dim, u8 comp_steering)
{
struct mlme_priv *mlme;
struct beamforming_info *info;
struct beamformer_entry *bfer;
u8 *bssid;
u16 val16;
u8 i;
mlme = &adapter->mlmepriv;
info = GET_BEAMFORM_INFO(adapter);
bfer = _bfer_get_entry_by_addr(adapter, sta->cmn.mac_addr);
if (!bfer) {
bfer = _bfer_get_free_entry(adapter);
if (!bfer)
return NULL;
}
bfer->used = _TRUE;
_get_txvector_parameter(adapter, sta, &bfer->g_id, &bfer->p_aid);
_rtw_memcpy(bfer->mac_addr, sta->cmn.mac_addr, ETH_ALEN);
bfer->cap = bf_cap;
bfer->state = BEAMFORM_ENTRY_HW_STATE_ADD_INIT;
bfer->NumofSoundingDim = sounding_dim;
if (TEST_FLAG(bf_cap, BEAMFORMER_CAP_VHT_MU)) {
info->beamformer_mu_cnt += 1;
bfer->aid = sta->cmn.aid;
} else if (TEST_FLAG(bf_cap, BEAMFORMER_CAP_VHT_SU|BEAMFORMER_CAP_HT_EXPLICIT)) {
info->beamformer_su_cnt += 1;
/* Record HW idx info */
for (i = 0; i < MAX_NUM_BEAMFORMER_SU; i++) {
if ((info->beamformer_su_reg_maping & BIT(i)) == 0) {
info->beamformer_su_reg_maping |= BIT(i);
bfer->su_reg_index = i;
break;
}
}
RTW_INFO("%s: Add BFer entry beamformer_su_reg_maping=%#x, su_reg_index=%d\n",
__FUNCTION__, info->beamformer_su_reg_maping, bfer->su_reg_index);
}
return bfer;
}
static void _bfer_remove_entry(PADAPTER adapter, struct beamformer_entry *entry)
{
struct beamforming_info *info;
info = GET_BEAMFORM_INFO(adapter);
entry->state = BEAMFORM_ENTRY_HW_STATE_DELETE_INIT;
if (TEST_FLAG(entry->cap, BEAMFORMER_CAP_VHT_MU)) {
info->beamformer_mu_cnt -= 1;
_rtw_memset(entry->gid_valid, 0, 8);
_rtw_memset(entry->user_position, 0, 16);
} else if (TEST_FLAG(entry->cap, BEAMFORMER_CAP_VHT_SU|BEAMFORMER_CAP_HT_EXPLICIT)) {
info->beamformer_su_cnt -= 1;
}
if (info->beamformer_mu_cnt == 0)
info->beamforming_cap &= ~BEAMFORMEE_CAP_VHT_MU;
if (info->beamformer_su_cnt == 0)
info->beamforming_cap &= ~(BEAMFORMEE_CAP_VHT_SU|BEAMFORMEE_CAP_HT_EXPLICIT);
}
static u8 _bfer_set_entry_gid(PADAPTER adapter, u8 *addr, u8 *gid, u8 *position)
{
struct beamformer_entry bfer;
memset(&bfer, 0, sizeof(bfer));
memcpy(bfer.mac_addr, addr, ETH_ALEN);
/* Parsing Membership Status Array */
memcpy(bfer.gid_valid, gid, 8);
/* Parsing User Position Array */
memcpy(bfer.user_position, position, 16);
/* Config HW GID table */
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_SET_GID_TABLE, (u8 *) &bfer,
sizeof(bfer), 1);
return _SUCCESS;
}
static struct beamformee_entry *_bfee_get_free_entry(PADAPTER adapter)
{
u8 i = 0;
struct beamforming_info *info;
struct beamformee_entry *bfee;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (bfee->used == _FALSE)
return bfee;
}
return NULL;
}
static struct beamformee_entry *_bfee_get_entry_by_addr(PADAPTER adapter, u8 *ra)
{
u8 i = 0;
struct beamforming_info *info;
struct beamformee_entry *bfee;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (bfee->used == _FALSE)
continue;
if (_rtw_memcmp(ra, bfee->mac_addr, ETH_ALEN) == _TRUE)
return bfee;
}
return NULL;
}
static u8 _bfee_get_first_su_entry_idx(PADAPTER adapter, struct beamformee_entry *ignore)
{
struct beamforming_info *info;
struct beamformee_entry *bfee;
u8 i;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (ignore && (bfee == ignore))
continue;
if (bfee->used == _FALSE)
continue;
if ((!TEST_FLAG(bfee->cap, BEAMFORMEE_CAP_VHT_MU))
&& TEST_FLAG(bfee->cap, BEAMFORMEE_CAP_VHT_SU|BEAMFORMEE_CAP_HT_EXPLICIT))
return i;
}
return 0xFF;
}
/*
* Description:
* Get the first entry index of MU Beamformee.
*
* Return Value:
* Index of the first MU sta, or 0xFF for invalid index.
*
* 2015.05.25. Created by tynli.
*
*/
static u8 _bfee_get_first_mu_entry_idx(PADAPTER adapter, struct beamformee_entry *ignore)
{
struct beamforming_info *info;
struct beamformee_entry *bfee;
u8 i;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (ignore && (bfee == ignore))
continue;
if (bfee->used == _FALSE)
continue;
if (TEST_FLAG(bfee->cap, BEAMFORMEE_CAP_VHT_MU))
return i;
}
return 0xFF;
}
static struct beamformee_entry *_bfee_add_entry(PADAPTER adapter,
struct sta_info *sta, u8 bf_cap, u8 sounding_dim, u8 comp_steering)
{
struct mlme_priv *mlme;
struct beamforming_info *info;
struct beamformee_entry *bfee;
u8 *bssid;
u16 val16;
u8 i;
mlme = &adapter->mlmepriv;
info = GET_BEAMFORM_INFO(adapter);
bfee = _bfee_get_entry_by_addr(adapter, sta->cmn.mac_addr);
if (!bfee) {
bfee = _bfee_get_free_entry(adapter);
if (!bfee)
return NULL;
}
bfee->used = _TRUE;
bfee->aid = sta->cmn.aid;
bfee->mac_id = sta->cmn.mac_id;
bfee->sound_bw = sta->cmn.bw_mode;
_get_txvector_parameter(adapter, sta, &bfee->g_id, &bfee->p_aid);
sta->cmn.bf_info.g_id = bfee->g_id;
sta->cmn.bf_info.p_aid = bfee->p_aid;
_rtw_memcpy(bfee->mac_addr, sta->cmn.mac_addr, ETH_ALEN);
bfee->txbf = _FALSE;
bfee->sounding = _FALSE;
bfee->sound_period = 40;
_sounding_update_min_period(adapter, bfee->sound_period, _FALSE);
bfee->SoundCnt = GetInitSoundCnt(bfee->sound_period, info->sounding_info.min_sounding_period);
bfee->cap = bf_cap;
bfee->state = BEAMFORM_ENTRY_HW_STATE_ADD_INIT;
bfee->bCandidateSoundingPeer = _FALSE;
bfee->bSoundingTimeout = _FALSE;
bfee->bDeleteSounding = _FALSE;
bfee->bApplySounding = _TRUE;
bfee->tx_timestamp = 0;
bfee->tx_bytes = 0;
bfee->LogStatusFailCnt = 0;
bfee->NumofSoundingDim = sounding_dim;
bfee->comp_steering_num_of_bfer = comp_steering;
bfee->bSuspendSUCap = _FALSE;
if (TEST_FLAG(bf_cap, BEAMFORMEE_CAP_VHT_MU)) {
info->beamformee_mu_cnt += 1;
info->first_mu_bfee_index = _bfee_get_first_mu_entry_idx(adapter, NULL);
if (_TRUE == info->bEnableSUTxBFWorkAround) {
/* When the first MU BFee added, discard SU BFee bfee's capability */
if ((info->beamformee_mu_cnt == 1) && (info->beamformee_su_cnt > 0)) {
if (info->TargetSUBFee) {
info->TargetSUBFee->bSuspendSUCap = _TRUE;
info->TargetSUBFee->bDeleteSounding = _TRUE;
} else {
RTW_ERR("%s: UNEXPECTED!! info->TargetSUBFee is NULL!", __FUNCTION__);
}
info->TargetSUBFee = NULL;
_rtw_memset(&info->TargetCSIInfo, 0, sizeof(struct _RT_CSI_INFO));
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_SET_CSI_REPORT, (u8*)&info->TargetCSIInfo, sizeof(struct _RT_CSI_INFO), 0);
}
}
/* Record HW idx info */
for (i = 0; i < MAX_NUM_BEAMFORMEE_MU; i++) {
if ((info->beamformee_mu_reg_maping & BIT(i)) == 0) {
info->beamformee_mu_reg_maping |= BIT(i);
bfee->mu_reg_index = i;
break;
}
}
RTW_INFO("%s: Add BFee entry beamformee_mu_reg_maping=%#x, mu_reg_index=%d\n",
__FUNCTION__, info->beamformee_mu_reg_maping, bfee->mu_reg_index);
} else if (TEST_FLAG(bf_cap, BEAMFORMEE_CAP_VHT_SU|BEAMFORMEE_CAP_HT_EXPLICIT)) {
info->beamformee_su_cnt += 1;
if (_TRUE == info->bEnableSUTxBFWorkAround) {
/* Record the first SU BFee index. We only allow the first SU BFee to be sound */
if ((info->beamformee_su_cnt == 1) && (info->beamformee_mu_cnt == 0)) {
info->TargetSUBFee = bfee;
_rtw_memset(&info->TargetCSIInfo, 0, sizeof(struct _RT_CSI_INFO));
bfee->bSuspendSUCap = _FALSE;
} else {
bfee->bSuspendSUCap = _TRUE;
}
}
/* Record HW idx info */
for (i = 0; i < MAX_NUM_BEAMFORMEE_SU; i++) {
if ((info->beamformee_su_reg_maping & BIT(i)) == 0) {
info->beamformee_su_reg_maping |= BIT(i);
bfee->su_reg_index = i;
break;
}
}
RTW_INFO("%s: Add BFee entry beamformee_su_reg_maping=%#x, su_reg_index=%d\n",
__FUNCTION__, info->beamformee_su_reg_maping, bfee->su_reg_index);
}
return bfee;
}
static void _bfee_remove_entry(PADAPTER adapter, struct beamformee_entry *entry)
{
struct beamforming_info *info;
u8 idx;
info = GET_BEAMFORM_INFO(adapter);
entry->state = BEAMFORM_ENTRY_HW_STATE_DELETE_INIT;
if (TEST_FLAG(entry->cap, BEAMFORMEE_CAP_VHT_MU)) {
info->beamformee_mu_cnt -= 1;
info->first_mu_bfee_index = _bfee_get_first_mu_entry_idx(adapter, entry);
if (_TRUE == info->bEnableSUTxBFWorkAround) {
if ((info->beamformee_mu_cnt == 0) && (info->beamformee_su_cnt > 0)) {
idx = _bfee_get_first_su_entry_idx(adapter, NULL);
info->TargetSUBFee = &info->bfee_entry[idx];
_rtw_memset(&info->TargetCSIInfo, 0, sizeof(struct _RT_CSI_INFO));
info->TargetSUBFee->bSuspendSUCap = _FALSE;
}
}
} else if (TEST_FLAG(entry->cap, BEAMFORMEE_CAP_VHT_SU|BEAMFORMEE_CAP_HT_EXPLICIT)) {
info->beamformee_su_cnt -= 1;
/* When the target SU BFee leaves, disable workaround */
if ((_TRUE == info->bEnableSUTxBFWorkAround)
&& (entry == info->TargetSUBFee)) {
entry->bSuspendSUCap = _TRUE;
info->TargetSUBFee = NULL;
_rtw_memset(&info->TargetCSIInfo, 0, sizeof(struct _RT_CSI_INFO));
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_SET_CSI_REPORT, (u8*)&info->TargetCSIInfo, sizeof(struct _RT_CSI_INFO), 0);
}
}
if (info->beamformee_mu_cnt == 0)
info->beamforming_cap &= ~BEAMFORMER_CAP_VHT_MU;
if (info->beamformee_su_cnt == 0)
info->beamforming_cap &= ~(BEAMFORMER_CAP_VHT_SU|BEAMFORMER_CAP_HT_EXPLICIT);
_sounding_update_min_period(adapter, 0, _TRUE);
}
static enum beamforming_cap _bfee_get_entry_cap_by_macid(PADAPTER adapter, u8 macid)
{
struct beamforming_info *info;
struct beamformee_entry *bfee;
u8 i;
info = GET_BEAMFORM_INFO(adapter);
for (i = 0; i < MAX_BEAMFORMER_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (bfee->used == _FALSE)
continue;
if (bfee->mac_id == macid)
return bfee->cap;
}
return BEAMFORMING_CAP_NONE;
}
static void _beamforming_enter(PADAPTER adapter, void *p)
{
struct mlme_priv *mlme;
struct ht_priv *htpriv;
#ifdef CONFIG_80211AC_VHT
struct vht_priv *vhtpriv;
#endif
struct mlme_ext_priv *mlme_ext;
struct sta_info *sta, *sta_copy;
struct beamforming_info *info;
struct beamformer_entry *bfer = NULL;
struct beamformee_entry *bfee = NULL;
u8 wireless_mode;
u8 sta_bf_cap;
u8 sounding_dim = 0; /* number of sounding dimensions */
u8 comp_steering_num = 0; /* compressed steering number */
mlme = &adapter->mlmepriv;
htpriv = &mlme->htpriv;
#ifdef CONFIG_80211AC_VHT
vhtpriv = &mlme->vhtpriv;
#endif
mlme_ext = &adapter->mlmeextpriv;
info = GET_BEAMFORM_INFO(adapter);
sta_copy = (struct sta_info *)p;
sta = rtw_get_stainfo(&adapter->stapriv, sta_copy->cmn.mac_addr);
if (!sta) {
RTW_ERR("%s: Cann't find STA info for " MAC_FMT "\n",
__FUNCTION__, MAC_ARG(sta_copy->cmn.mac_addr));
return;
}
RTW_INFO("%s: find STA info for " MAC_FMT "\n",
__FUNCTION__, MAC_ARG(sta_copy->cmn.mac_addr));
if (sta != sta_copy) {
RTW_WARN("%s: Origin sta(fake)=%p realsta=%p for " MAC_FMT "\n",
__FUNCTION__, sta_copy, sta, MAC_ARG(sta_copy->cmn.mac_addr));
}
/* The current setting does not support Beaforming */
wireless_mode = sta->wireless_mode;
if ((is_supported_ht(wireless_mode) == _FALSE)
&& (is_supported_vht(wireless_mode) == _FALSE)) {
RTW_WARN("%s: Not support HT or VHT mode\n", __FUNCTION__);
return;
}
if ((0 == htpriv->beamform_cap)
#ifdef CONFIG_80211AC_VHT
&& (0 == vhtpriv->beamform_cap)
#endif
) {
RTW_INFO("The configuration disabled Beamforming! Skip...\n");
return;
}
_get_sta_beamform_cap(adapter, sta,
&sta_bf_cap, &sounding_dim, &comp_steering_num);
RTW_INFO("STA Beamforming Capability=0x%02X\n", sta_bf_cap);
if (sta_bf_cap == BEAMFORMING_CAP_NONE)
return;
if ((sta_bf_cap & BEAMFORMEE_CAP_HT_EXPLICIT)
|| (sta_bf_cap & BEAMFORMEE_CAP_VHT_SU)
|| (sta_bf_cap & BEAMFORMEE_CAP_VHT_MU))
sta_bf_cap |= BEAMFORMEE_CAP;
if ((sta_bf_cap & BEAMFORMER_CAP_HT_EXPLICIT)
|| (sta_bf_cap & BEAMFORMER_CAP_VHT_SU)
|| (sta_bf_cap & BEAMFORMER_CAP_VHT_MU))
sta_bf_cap |= BEAMFORMER_CAP;
if (sta_bf_cap & BEAMFORMER_CAP) {
/* The other side is beamformer */
bfer = _bfer_add_entry(adapter, sta, sta_bf_cap, sounding_dim, comp_steering_num);
if (!bfer)
RTW_ERR("%s: Fail to allocate bfer entry!\n", __FUNCTION__);
}
if (sta_bf_cap & BEAMFORMEE_CAP) {
/* The other side is beamformee */
bfee = _bfee_add_entry(adapter, sta, sta_bf_cap, sounding_dim, comp_steering_num);
if (!bfee)
RTW_ERR("%s: Fail to allocate bfee entry!\n", __FUNCTION__);
}
if (!bfer && !bfee)
return;
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_ENTER, (u8*)sta);
/* Perform sounding if there is BFee */
if ((info->beamformee_su_cnt != 0)
|| (info->beamformee_mu_cnt != 0)) {
if (SOUNDING_STATE_NONE == info->sounding_info.state) {
info->sounding_info.state = SOUNDING_STATE_INIT;
/* Start sounding after 2 sec */
_set_timer(&info->sounding_timer, 2000);
}
}
}
static void _beamforming_reset(PADAPTER adapter)
{
RTW_ERR("%s: Not ready!!\n", __FUNCTION__);
}
static void _beamforming_leave(PADAPTER adapter, u8 *ra)
{
struct beamforming_info *info;
struct beamformer_entry *bfer = NULL;
struct beamformee_entry *bfee = NULL;
u8 bHwStateAddInit = _FALSE;
RTW_INFO("+%s\n", __FUNCTION__);
info = GET_BEAMFORM_INFO(adapter);
bfer = _bfer_get_entry_by_addr(adapter, ra);
bfee = _bfee_get_entry_by_addr(adapter, ra);
if (!bfer && !bfee) {
RTW_WARN("%s: " MAC_FMT " is neither beamforming ee or er!!\n",
__FUNCTION__, MAC_ARG(ra));
return;
}
if (bfer)
_bfer_remove_entry(adapter, bfer);
if (bfee)
_bfee_remove_entry(adapter, bfee);
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_LEAVE, ra);
/* Stop sounding if there is no any BFee */
if ((info->beamformee_su_cnt == 0)
&& (info->beamformee_mu_cnt == 0)) {
_cancel_timer_ex(&info->sounding_timer);
_sounding_init(&info->sounding_info);
}
RTW_INFO("-%s\n", __FUNCTION__);
}
static void _beamforming_sounding_down(PADAPTER adapter, u8 status)
{
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
RTW_INFO("+%s: sounding=%d, status=0x%02x\n", __FUNCTION__, sounding->state, status);
if (sounding->state == SOUNDING_STATE_MU_START) {
RTW_INFO("%s: MU sounding done\n", __FUNCTION__);
sounding->state = SOUNDING_STATE_MU_SOUNDDOWN;
RTW_INFO("%s: Set to SOUNDING_STATE_MU_SOUNDDOWN\n", __FUNCTION__);
info->SetHalSoundownOnDemandCnt++;
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_STATUS, &status);
} else if (sounding->state == SOUNDING_STATE_SU_START) {
RTW_INFO("%s: SU entry[%d] sounding down\n", __FUNCTION__, sounding->su_bfee_curidx);
bfee = &info->bfee_entry[sounding->su_bfee_curidx];
sounding->state = SOUNDING_STATE_SU_SOUNDDOWN;
RTW_INFO("%s: Set to SOUNDING_STATE_SU_SOUNDDOWN\n", __FUNCTION__);
/*
* <tynli_note>
* bfee->bSoundingTimeout this flag still cannot avoid
* old sound down event happens in the new sounding period.
* 2015.12.10
*/
if (_TRUE == bfee->bSoundingTimeout) {
RTW_WARN("%s: The entry[%d] is bSoundingTimeout!\n", __FUNCTION__, sounding->su_bfee_curidx);
bfee->bSoundingTimeout = _FALSE;
return;
}
if (_TRUE == status) {
/* success */
bfee->LogStatusFailCnt = 0;
info->SetHalSoundownOnDemandCnt++;
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_STATUS, &status);
} else if (_TRUE == bfee->bDeleteSounding) {
RTW_WARN("%s: Delete entry[%d] sounding info!\n", __FUNCTION__, sounding->su_bfee_curidx);
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_STATUS, &status);
bfee->bDeleteSounding = _FALSE;
} else {
bfee->LogStatusFailCnt++;
RTW_WARN("%s: LogStatusFailCnt=%d\n", __FUNCTION__, bfee->LogStatusFailCnt);
if (bfee->LogStatusFailCnt > 30) {
RTW_ERR("%s: LogStatusFailCnt > 30, Stop SOUNDING!!\n", __FUNCTION__);
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_LEAVE, bfee->mac_addr, ETH_ALEN, 1);
}
}
} else {
RTW_WARN("%s: unexpected sounding state:0x%02x\n", __FUNCTION__, sounding->state);
return;
}
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_START_PERIOD, NULL, 0, 0);
}
static void _c2h_snd_txbf(PADAPTER adapter, u8 *buf, u8 buf_len)
{
struct beamforming_info *info;
u8 res;
info = GET_BEAMFORM_INFO(adapter);
_cancel_timer_ex(&info->sounding_timeout_timer);
res = C2H_SND_TXBF_GET_SND_RESULT(buf) ? _TRUE : _FALSE;
RTW_INFO("+%s: %s\n", __FUNCTION__, res==_TRUE?"Success":"Fail!");
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_END_PERIOD, &res, 1, 1);
}
/*
* Description:
* This function is for phydm only
*/
enum beamforming_cap rtw_bf_bfee_get_entry_cap_by_macid(void *mlme, u8 macid)
{
PADAPTER adapter;
enum beamforming_cap cap = BEAMFORMING_CAP_NONE;
adapter = mlme_to_adapter((struct mlme_priv *)mlme);
cap = _bfee_get_entry_cap_by_macid(adapter, macid);
return cap;
}
struct beamformer_entry *rtw_bf_bfer_get_entry_by_addr(PADAPTER adapter, u8 *ra)
{
return _bfer_get_entry_by_addr(adapter, ra);
}
struct beamformee_entry *rtw_bf_bfee_get_entry_by_addr(PADAPTER adapter, u8 *ra)
{
return _bfee_get_entry_by_addr(adapter, ra);
}
void rtw_bf_get_ndpa_packet(PADAPTER adapter, union recv_frame *precv_frame)
{
RTW_DBG("+%s\n", __FUNCTION__);
}
u32 rtw_bf_get_report_packet(PADAPTER adapter, union recv_frame *precv_frame)
{
u32 ret = _SUCCESS;
struct beamforming_info *info;
struct beamformee_entry *bfee = NULL;
u8 *pframe;
u32 frame_len;
u8 *ta;
u8 *frame_body;
u8 category, action;
u8 *pMIMOCtrlField, *pCSIMatrix;
u8 Nc = 0, Nr = 0, CH_W = 0, Ng = 0, CodeBook = 0;
u16 CSIMatrixLen = 0;
RTW_INFO("+%s\n", __FUNCTION__);
info = GET_BEAMFORM_INFO(adapter);
pframe = precv_frame->u.hdr.rx_data;
frame_len = precv_frame->u.hdr.len;
/* Memory comparison to see if CSI report is the same with previous one */
ta = get_addr2_ptr(pframe);
bfee = _bfee_get_entry_by_addr(adapter, ta);
if (!bfee)
return _FAIL;
frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
category = frame_body[0];
action = frame_body[1];
if ((category == RTW_WLAN_CATEGORY_VHT)
&& (action == RTW_WLAN_ACTION_VHT_COMPRESSED_BEAMFORMING)) {
pMIMOCtrlField = pframe + 26;
Nc = (*pMIMOCtrlField) & 0x7;
Nr = ((*pMIMOCtrlField) & 0x38) >> 3;
CH_W = (((*pMIMOCtrlField) & 0xC0) >> 6);
Ng = (*(pMIMOCtrlField+1)) & 0x3;
CodeBook = ((*(pMIMOCtrlField+1)) & 0x4) >> 2;
/*
* 24+(1+1+3)+2
* ==> MAC header+(Category+ActionCode+MIMOControlField)+SNR(Nc=2)
*/
pCSIMatrix = pMIMOCtrlField + 3 + Nc;
CSIMatrixLen = frame_len - 26 - 3 - Nc;
info->TargetCSIInfo.bVHT = _TRUE;
} else if ((category == RTW_WLAN_CATEGORY_HT)
&& (action == RTW_WLAN_ACTION_HT_COMPRESS_BEAMFORMING)) {
pMIMOCtrlField = pframe + 26;
Nc = (*pMIMOCtrlField) & 0x3;
Nr = ((*pMIMOCtrlField) & 0xC) >> 2;
CH_W = ((*pMIMOCtrlField) & 0x10) >> 4;
Ng = ((*pMIMOCtrlField) & 0x60) >> 5;
CodeBook = ((*(pMIMOCtrlField+1)) & 0x6) >> 1;
/*
* 24+(1+1+6)+2
* ==> MAC header+(Category+ActionCode+MIMOControlField)+SNR(Nc=2)
*/
pCSIMatrix = pMIMOCtrlField + 6 + Nr;
CSIMatrixLen = frame_len - 26 - 6 - Nr;
info->TargetCSIInfo.bVHT = _FALSE;
}
/* Update current CSI report info */
if ((_TRUE == info->bEnableSUTxBFWorkAround)
&& (info->TargetSUBFee == bfee)) {
if ((info->TargetCSIInfo.Nc != Nc) || (info->TargetCSIInfo.Nr != Nr) ||
(info->TargetCSIInfo.ChnlWidth != CH_W) || (info->TargetCSIInfo.Ng != Ng) ||
(info->TargetCSIInfo.CodeBook != CodeBook)) {
info->TargetCSIInfo.Nc = Nc;
info->TargetCSIInfo.Nr = Nr;
info->TargetCSIInfo.ChnlWidth = CH_W;
info->TargetCSIInfo.Ng = Ng;
info->TargetCSIInfo.CodeBook = CodeBook;
rtw_bf_cmd(adapter, BEAMFORMING_CTRL_SET_CSI_REPORT, (u8*)&info->TargetCSIInfo, sizeof(struct _RT_CSI_INFO), 1);
}
}
RTW_INFO("%s: pkt type=%d-%d, Nc=%d, Nr=%d, CH_W=%d, Ng=%d, CodeBook=%d\n",
__FUNCTION__, category, action, Nc, Nr, CH_W, Ng, CodeBook);
return ret;
}
u8 rtw_bf_send_vht_gid_mgnt_packet(PADAPTER adapter, u8 *ra, u8 *gid, u8 *position)
{
/* General */
struct xmit_priv *xmitpriv;
struct mlme_priv *mlmepriv;
struct xmit_frame *pmgntframe;
/* MISC */
struct pkt_attrib *attrib;
struct rtw_ieee80211_hdr *wlanhdr;
u8 *pframe, *ptr;
xmitpriv = &adapter->xmitpriv;
mlmepriv = &adapter->mlmepriv;
pmgntframe = alloc_mgtxmitframe(xmitpriv);
if (!pmgntframe)
return _FALSE;
/* update attribute */
attrib = &pmgntframe->attrib;
update_mgntframe_attrib(adapter, attrib);
attrib->rate = MGN_6M;
attrib->bwmode = CHANNEL_WIDTH_20;
attrib->subtype = WIFI_ACTION;
_rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)pmgntframe->buf_addr + TXDESC_OFFSET;
wlanhdr = (struct rtw_ieee80211_hdr *)pframe;
wlanhdr->frame_ctl = 0;
set_frame_sub_type(pframe, attrib->subtype);
set_duration(pframe, 0);
SetFragNum(pframe, 0);
SetSeqNum(pframe, 0);
_rtw_memcpy(wlanhdr->addr1, ra, ETH_ALEN);
_rtw_memcpy(wlanhdr->addr2, adapter_mac_addr(adapter), ETH_ALEN);
_rtw_memcpy(wlanhdr->addr3, get_bssid(mlmepriv), ETH_ALEN);
pframe[24] = RTW_WLAN_CATEGORY_VHT;
pframe[25] = RTW_WLAN_ACTION_VHT_GROUPID_MANAGEMENT;
/* Set Membership Status Array */
ptr = pframe + 26;
_rtw_memcpy(ptr, gid, 8);
/* Set User Position Array */
ptr = pframe + 34;
_rtw_memcpy(ptr, position, 16);
attrib->pktlen = 54;
attrib->last_txcmdsz = attrib->pktlen;
dump_mgntframe(adapter, pmgntframe);
return _TRUE;
}
/*
* Description:
* On VHT GID management frame by an MU beamformee.
*/
void rtw_bf_get_vht_gid_mgnt_packet(PADAPTER adapter, union recv_frame *precv_frame)
{
u8 *pframe;
u8 *ta, *gid, *position;
RTW_DBG("+%s\n", __FUNCTION__);
pframe = precv_frame->u.hdr.rx_data;
/* Get address by Addr2 */
ta = get_addr2_ptr(pframe);
/* Remove signaling TA */
ta[0] &= 0xFE;
/* Membership Status Array */
gid = pframe + 26;
/* User Position Array */
position= pframe + 34;
_bfer_set_entry_gid(adapter, ta, gid, position);
}
void rtw_bf_init(PADAPTER adapter)
{
struct beamforming_info *info;
info = GET_BEAMFORM_INFO(adapter);
info->beamforming_cap = BEAMFORMING_CAP_NONE;
info->beamforming_state = BEAMFORMING_STATE_IDLE;
/*
info->bfee_entry[MAX_BEAMFORMEE_ENTRY_NUM];
info->bfer_entry[MAX_BEAMFORMER_ENTRY_NUM];
*/
info->sounding_sequence = 0;
info->beamformee_su_cnt = 0;
info->beamformer_su_cnt = 0;
info->beamformee_su_reg_maping = 0;
info->beamformer_su_reg_maping = 0;
info->beamformee_mu_cnt = 0;
info->beamformer_mu_cnt = 0;
info->beamformee_mu_reg_maping = 0;
info->first_mu_bfee_index = 0xFF;
info->mu_bfer_curidx = 0xFF;
info->cur_csi_rpt_rate = HALMAC_OFDM24;
_sounding_init(&info->sounding_info);
rtw_init_timer(&info->sounding_timer, adapter, _sounding_timer_handler, adapter);
rtw_init_timer(&info->sounding_timeout_timer, adapter, _sounding_timeout_timer_handler, adapter);
info->SetHalBFEnterOnDemandCnt = 0;
info->SetHalBFLeaveOnDemandCnt = 0;
info->SetHalSoundownOnDemandCnt = 0;
info->bEnableSUTxBFWorkAround = _TRUE;
info->TargetSUBFee = NULL;
info->sounding_running = 0;
}
void rtw_bf_cmd_hdl(PADAPTER adapter, u8 type, u8 *pbuf)
{
switch (type) {
case BEAMFORMING_CTRL_ENTER:
_beamforming_enter(adapter, pbuf);
break;
case BEAMFORMING_CTRL_LEAVE:
if (pbuf == NULL)
_beamforming_reset(adapter);
else
_beamforming_leave(adapter, pbuf);
break;
case BEAMFORMING_CTRL_START_PERIOD:
_sounding_handler(adapter);
break;
case BEAMFORMING_CTRL_END_PERIOD:
_beamforming_sounding_down(adapter, *pbuf);
break;
case BEAMFORMING_CTRL_SET_GID_TABLE:
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_SET_GID_TABLE, pbuf);
break;
case BEAMFORMING_CTRL_SET_CSI_REPORT:
rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_CSI_REPORT, pbuf);
break;
default:
break;
}
}
u8 rtw_bf_cmd(PADAPTER adapter, s32 type, u8 *pbuf, s32 size, u8 enqueue)
{
struct cmd_obj *ph2c;
struct drvextra_cmd_parm *pdrvextra_cmd_parm;
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
u8 *wk_buf;
u8 res = _SUCCESS;
if (!enqueue) {
rtw_bf_cmd_hdl(adapter, type, pbuf);
goto exit;
}
ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (ph2c == NULL) {
res = _FAIL;
goto exit;
}
pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
if (pdrvextra_cmd_parm == NULL) {
rtw_mfree((unsigned char *)ph2c, sizeof(struct cmd_obj));
res = _FAIL;
goto exit;
}
if (pbuf != NULL) {
wk_buf = rtw_zmalloc(size);
if (wk_buf == NULL) {
rtw_mfree((u8 *)ph2c, sizeof(struct cmd_obj));
rtw_mfree((u8 *)pdrvextra_cmd_parm, sizeof(struct drvextra_cmd_parm));
res = _FAIL;
goto exit;
}
_rtw_memcpy(wk_buf, pbuf, size);
} else {
wk_buf = NULL;
size = 0;
}
pdrvextra_cmd_parm->ec_id = BEAMFORMING_WK_CID;
pdrvextra_cmd_parm->type = type;
pdrvextra_cmd_parm->size = size;
pdrvextra_cmd_parm->pbuf = wk_buf;
init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, CMD_SET_DRV_EXTRA);
res = rtw_enqueue_cmd(pcmdpriv, ph2c);
exit:
return res;
}
void rtw_bf_update_attrib(PADAPTER adapter, struct pkt_attrib *attrib, struct sta_info *sta)
{
if (sta) {
attrib->txbf_g_id = sta->cmn.bf_info.g_id;
attrib->txbf_p_aid = sta->cmn.bf_info.p_aid;
}
}
void rtw_bf_c2h_handler(PADAPTER adapter, u8 id, u8 *buf, u8 buf_len)
{
switch (id) {
case CMD_ID_C2H_SND_TXBF:
_c2h_snd_txbf(adapter, buf, buf_len);
break;
}
}
#define toMbps(bytes, secs) (rtw_division64(bytes >> 17, secs))
void rtw_bf_update_traffic(PADAPTER adapter)
{
struct beamforming_info *info;
struct sounding_info *sounding;
struct beamformee_entry *bfee;
struct sta_info *sta;
u8 bfee_cnt, sounding_idx, i;
u16 tp[MAX_BEAMFORMEE_ENTRY_NUM] = {0};
u8 tx_rate[MAX_BEAMFORMEE_ENTRY_NUM] = {0};
u64 tx_bytes, last_bytes;
u32 time;
systime last_timestamp;
u8 set_timer = _FALSE;
info = GET_BEAMFORM_INFO(adapter);
sounding = &info->sounding_info;
/* Check any bfee exist? */
bfee_cnt = info->beamformee_su_cnt + info->beamformee_mu_cnt;
if (bfee_cnt == 0)
return;
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (_FALSE == bfee->used)
continue;
sta = rtw_get_stainfo(&adapter->stapriv, bfee->mac_addr);
if (!sta) {
RTW_ERR("%s: Cann't find sta_info for " MAC_FMT "!\n", __FUNCTION__, MAC_ARG(bfee->mac_addr));
continue;
}
last_timestamp = bfee->tx_timestamp;
last_bytes = bfee->tx_bytes;
bfee->tx_timestamp = rtw_get_current_time();
bfee->tx_bytes = sta->sta_stats.tx_bytes;
if (last_timestamp) {
if (bfee->tx_bytes >= last_bytes)
tx_bytes = bfee->tx_bytes - last_bytes;
else
tx_bytes = bfee->tx_bytes + (~last_bytes);
time = rtw_get_time_interval_ms(last_timestamp, bfee->tx_timestamp);
time = (time > 1000) ? time/1000 : 1;
tp[i] = toMbps(tx_bytes, time);
tx_rate[i] = rtw_get_current_tx_rate(adapter, sta);
RTW_INFO("%s: BFee idx(%d), MadId(%d), TxTP=%lld bytes (%d Mbps), txrate=%d\n",
__FUNCTION__, i, bfee->mac_id, tx_bytes, tp[i], tx_rate[i]);
}
}
sounding_idx = phydm_get_beamforming_sounding_info(GET_PDM_ODM(adapter), tp, MAX_BEAMFORMEE_ENTRY_NUM, tx_rate);
for (i = 0; i < MAX_BEAMFORMEE_ENTRY_NUM; i++) {
bfee = &info->bfee_entry[i];
if (_FALSE == bfee->used) {
if (sounding_idx & BIT(i))
RTW_WARN("%s: bfee(%d) not in used but need sounding?!\n", __FUNCTION__, i);
continue;
}
if (sounding_idx & BIT(i)) {
if (_FALSE == bfee->bApplySounding) {
bfee->bApplySounding = _TRUE;
bfee->SoundCnt = 0;
set_timer = _TRUE;
}
} else {
if (_TRUE == bfee->bApplySounding) {
bfee->bApplySounding = _FALSE;
bfee->bDeleteSounding = _TRUE;
bfee->SoundCnt = 0;
set_timer = _TRUE;
}
}
}
if (_TRUE == set_timer) {
if (SOUNDING_STATE_NONE == info->sounding_info.state) {
info->sounding_info.state = SOUNDING_STATE_INIT;
_set_timer(&info->sounding_timer, 0);
}
}
}
#else /* !RTW_BEAMFORMING_VERSION_2 */
/*PHYDM_BF - (BEAMFORMING_SUPPORT == 1)*/
u32 rtw_beamforming_get_report_frame(PADAPTER Adapter, union recv_frame *precv_frame)
{
u32 ret = _SUCCESS;
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_struct *pDM_Odm = &(pHalData->odmpriv);
ret = beamforming_get_report_frame(pDM_Odm, precv_frame);
return ret;
}
void rtw_beamforming_get_ndpa_frame(PADAPTER Adapter, union recv_frame *precv_frame)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
struct dm_struct *pDM_Odm = &(pHalData->odmpriv);
beamforming_get_ndpa_frame(pDM_Odm, precv_frame);
}
void beamforming_wk_hdl(_adapter *padapter, u8 type, u8 *pbuf)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(padapter);
struct dm_struct *pDM_Odm = &(pHalData->odmpriv);
/*(BEAMFORMING_SUPPORT == 1)- for PHYDM beamfoming*/
switch (type) {
case BEAMFORMING_CTRL_ENTER: {
struct sta_info *psta = (void *)pbuf;
u16 staIdx = psta->cmn.mac_id;
beamforming_enter(pDM_Odm, staIdx, adapter_mac_addr(psta->padapter));
break;
}
case BEAMFORMING_CTRL_LEAVE:
beamforming_leave(pDM_Odm, pbuf);
break;
default:
break;
}
}
u8 beamforming_wk_cmd(_adapter *padapter, s32 type, u8 *pbuf, s32 size, u8 enqueue)
{
struct cmd_obj *ph2c;
struct drvextra_cmd_parm *pdrvextra_cmd_parm;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 res = _SUCCESS;
/*20170214 ad_hoc mode and mp_mode not support BF*/
if ((padapter->registrypriv.mp_mode == 1)
|| (pmlmeinfo->state == WIFI_FW_ADHOC_STATE))
return res;
if (enqueue) {
u8 *wk_buf;
ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (ph2c == NULL) {
res = _FAIL;
goto exit;
}
pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
if (pdrvextra_cmd_parm == NULL) {
rtw_mfree((unsigned char *)ph2c, sizeof(struct cmd_obj));
res = _FAIL;
goto exit;
}
if (pbuf != NULL) {
wk_buf = rtw_zmalloc(size);
if (wk_buf == NULL) {
rtw_mfree((u8 *)ph2c, sizeof(struct cmd_obj));
rtw_mfree((u8 *)pdrvextra_cmd_parm, sizeof(struct drvextra_cmd_parm));
res = _FAIL;
goto exit;
}
_rtw_memcpy(wk_buf, pbuf, size);
} else {
wk_buf = NULL;
size = 0;
}
pdrvextra_cmd_parm->ec_id = BEAMFORMING_WK_CID;
pdrvextra_cmd_parm->type = type;
pdrvextra_cmd_parm->size = size;
pdrvextra_cmd_parm->pbuf = wk_buf;
init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, CMD_SET_DRV_EXTRA);
res = rtw_enqueue_cmd(pcmdpriv, ph2c);
} else
beamforming_wk_hdl(padapter, type, pbuf);
exit:
return res;
}
void update_attrib_txbf_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
{
if (psta) {
pattrib->txbf_g_id = psta->cmn.bf_info.g_id;
pattrib->txbf_p_aid = psta->cmn.bf_info.p_aid;
}
}
#endif /* !RTW_BEAMFORMING_VERSION_2 */
#endif /* CONFIG_BEAMFORMING */
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