skyfall/rtl8188eu
1
0
Fork 0
mirror of https://github.com/lwfinger/rtl8188eu.git synced 2024-11-15 01:19:36 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
rtl8188eu/hal/phydm/rtl8188e/phydm_rtl8188e.c
Larry Finger 6fa9ed423c rtl8188EUS: Initial addition of files in branch v5.2.2.4 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2018-10-14 19:09:51 -05:00

388 lines
15 KiB
C
Raw Blame History

/******************************************************************************
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
/* ************************************************************
* include files
* ************************************************************ */
#include "mp_precomp.h"
#include "../phydm_precomp.h"
#if (RTL8188E_SUPPORT == 1)
void
odm_dig_lower_bound_88e(
struct PHY_DM_STRUCT *p_dm_odm
)
{
struct _dynamic_initial_gain_threshold_ *p_dm_dig_table = &p_dm_odm->dm_dig_table;
if (p_dm_odm->ant_div_type == CG_TRX_HW_ANTDIV) {
p_dm_dig_table->rx_gain_range_min = (u8) p_dm_dig_table->ant_div_rssi_max;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_dig_lower_bound_88e(): p_dm_dig_table->ant_div_rssi_max=%d\n", p_dm_dig_table->ant_div_rssi_max));
}
/* If only one Entry connected */
}
/*=============================================================
* AntDiv Before Link
===============================================================*/
void
odm_sw_ant_div_reset_before_link(
struct PHY_DM_STRUCT *p_dm_odm
)
{
struct _sw_antenna_switch_ *p_dm_swat_table = &p_dm_odm->dm_swat_table;
p_dm_swat_table->swas_no_link_state = 0;
}
/* 3============================================================
* 3 Dynamic Primary CCA
* 3============================================================ */
void
odm_primary_cca_init(
struct PHY_DM_STRUCT *p_dm_odm)
{
struct _dynamic_primary_cca *primary_cca = &(p_dm_odm->dm_pri_cca);
primary_cca->dup_rts_flag = 0;
primary_cca->intf_flag = 0;
primary_cca->intf_type = 0;
primary_cca->monitor_flag = 0;
primary_cca->pri_cca_flag = 0;
}
bool
odm_dynamic_primary_cca_dup_rts(
struct PHY_DM_STRUCT *p_dm_odm
)
{
struct _dynamic_primary_cca *primary_cca = &(p_dm_odm->dm_pri_cca);
return primary_cca->dup_rts_flag;
}
void
odm_dynamic_primary_cca(
struct PHY_DM_STRUCT *p_dm_odm
)
{
#if (DM_ODM_SUPPORT_TYPE != ODM_CE)
struct _ADAPTER *adapter = p_dm_odm->adapter; /* for NIC */
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN))
struct sta_info *p_entry;
#endif
struct _FALSE_ALARM_STATISTICS *false_alm_cnt = (struct _FALSE_ALARM_STATISTICS *)phydm_get_structure(p_dm_odm, PHYDM_FALSEALMCNT);
struct _dynamic_primary_cca *primary_cca = &(p_dm_odm->dm_pri_cca);
bool is_40mhz;
bool client_40mhz = false, client_tmp = false; /* connected client BW */
bool is_connected = false; /* connected or not */
static u8 client_40mhz_pre = 0;
static u64 last_tx_ok_cnt = 0;
static u64 last_rx_ok_cnt = 0;
static u32 counter = 0;
static u8 delay = 1;
u64 cur_tx_ok_cnt;
u64 cur_rx_ok_cnt;
u8 sec_ch_offset;
u8 i;
if (!(p_dm_odm->support_ability & ODM_BB_PRIMARY_CCA))
return;
if (p_dm_odm->support_ic_type != ODM_RTL8188E)
return;
is_40mhz = *(p_dm_odm->p_band_width);
sec_ch_offset = *(p_dm_odm->p_sec_ch_offset);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Second CH Offset = %d\n", sec_ch_offset));
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
if (is_40mhz == 1)
sec_ch_offset = sec_ch_offset % 2 + 1; /* NIC's definition is reverse to AP 1:secondary below, 2: secondary above */
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Second CH Offset = %d\n", sec_ch_offset));
/* 3 Check Current WLAN Traffic */
cur_tx_ok_cnt = adapter->TxStats.NumTxBytesUnicast - last_tx_ok_cnt;
cur_rx_ok_cnt = adapter->RxStats.NumRxBytesUnicast - last_rx_ok_cnt;
last_tx_ok_cnt = adapter->TxStats.NumTxBytesUnicast;
last_rx_ok_cnt = adapter->RxStats.NumRxBytesUnicast;
#elif (DM_ODM_SUPPORT_TYPE == ODM_AP)
/* 3 Check Current WLAN Traffic */
cur_tx_ok_cnt = *(p_dm_odm->p_num_tx_bytes_unicast) - last_tx_ok_cnt;
cur_rx_ok_cnt = *(p_dm_odm->p_num_rx_bytes_unicast) - last_rx_ok_cnt;
last_tx_ok_cnt = *(p_dm_odm->p_num_tx_bytes_unicast);
last_rx_ok_cnt = *(p_dm_odm->p_num_rx_bytes_unicast);
#endif
/* ==================Debug Message==================== */
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("TP = %llu\n", cur_tx_ok_cnt + cur_rx_ok_cnt));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("is_40mhz = %d\n", is_40mhz));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("BW_LSC = %d\n", false_alm_cnt->cnt_bw_lsc));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("BW_USC = %d\n", false_alm_cnt->cnt_bw_usc));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCA OFDM = %d\n", false_alm_cnt->cnt_ofdm_cca));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCA CCK = %d\n", false_alm_cnt->cnt_cck_cca));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("OFDM FA = %d\n", false_alm_cnt->cnt_ofdm_fail));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCK FA = %d\n", false_alm_cnt->cnt_cck_fail));
/* ================================================ */
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
if (ACTING_AS_AP(adapter)) /* primary cca process only do at AP mode */
#endif
{
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("ACTING as AP mode=%d\n", ACTING_AS_AP(adapter)));
/* 3 To get entry's connection and BW infomation status. */
for (i = 0; i < ASSOCIATE_ENTRY_NUM; i++) {
if (IsAPModeExist(adapter) && GetFirstExtAdapter(adapter) != NULL)
p_entry = AsocEntry_EnumStation(GetFirstExtAdapter(adapter), i);
else
p_entry = AsocEntry_EnumStation(GetDefaultAdapter(adapter), i);
if (p_entry != NULL) {
client_tmp = p_entry->BandWidth; /* client BW */
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Client_BW=%d\n", client_tmp));
if (client_tmp > client_40mhz)
client_40mhz = client_tmp; /* 40M/20M coexist => 40M priority is High */
if (p_entry->bAssociated) {
is_connected = true; /* client is connected or not */
break;
}
} else
break;
}
#elif (DM_ODM_SUPPORT_TYPE == ODM_AP)
/* 3 To get entry's connection and BW infomation status. */
struct sta_info *pstat;
for (i = 0; i < ODM_ASSOCIATE_ENTRY_NUM; i++) {
pstat = p_dm_odm->p_odm_sta_info[i];
if (IS_STA_VALID(pstat)) {
client_tmp = pstat->tx_bw;
if (client_tmp > client_40mhz)
client_40mhz = client_tmp; /* 40M/20M coexist => 40M priority is High */
is_connected = true;
}
}
#endif
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("is_connected=%d\n", is_connected));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Is Client 40MHz=%d\n", client_40mhz));
/* 1 Monitor whether the interference exists or not */
if (primary_cca->monitor_flag == 1) {
if (sec_ch_offset == 1) { /* secondary channel is below the primary channel */
if ((false_alm_cnt->cnt_ofdm_cca > 500) && (false_alm_cnt->cnt_bw_lsc > false_alm_cnt->cnt_bw_usc + 500)) {
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1) {
primary_cca->intf_type = 1;
primary_cca->pri_cca_flag = 1;
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT7, 2); /* USC MF */
if (primary_cca->dup_rts_flag == 1)
primary_cca->dup_rts_flag = 0;
} else {
primary_cca->intf_type = 2;
if (primary_cca->dup_rts_flag == 0)
primary_cca->dup_rts_flag = 1;
}
} else { /* interferecne disappear */
primary_cca->dup_rts_flag = 0;
primary_cca->intf_flag = 0;
primary_cca->intf_type = 0;
}
} else if (sec_ch_offset == 2) { /* secondary channel is above the primary channel */
if ((false_alm_cnt->cnt_ofdm_cca > 500) && (false_alm_cnt->cnt_bw_usc > false_alm_cnt->cnt_bw_lsc + 500)) {
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1) {
primary_cca->intf_type = 1;
primary_cca->pri_cca_flag = 1;
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT7, 1); /* LSC MF */
if (primary_cca->dup_rts_flag == 1)
primary_cca->dup_rts_flag = 0;
} else {
primary_cca->intf_type = 2;
if (primary_cca->dup_rts_flag == 0)
primary_cca->dup_rts_flag = 1;
}
} else { /* interferecne disappear */
primary_cca->dup_rts_flag = 0;
primary_cca->intf_flag = 0;
primary_cca->intf_type = 0;
}
}
primary_cca->monitor_flag = 0;
}
/* 1 Dynamic Primary CCA Main Function */
if (primary_cca->monitor_flag == 0) {
if (is_40mhz) { /* if RFBW==40M mode which require to process primary cca */
/* 2 STA is NOT Connected */
if (!is_connected) {
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("STA NOT Connected!!!!\n"));
if (primary_cca->pri_cca_flag == 1) { /* reset primary cca when STA is disconnected */
primary_cca->pri_cca_flag = 0;
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 0);
}
if (primary_cca->dup_rts_flag == 1) /* reset Duplicate RTS when STA is disconnected */
primary_cca->dup_rts_flag = 0;
if (sec_ch_offset == 1) { /* secondary channel is below the primary channel */
if ((false_alm_cnt->cnt_ofdm_cca > 800) && (false_alm_cnt->cnt_bw_lsc * 5 > false_alm_cnt->cnt_bw_usc * 9)) {
primary_cca->intf_flag = 1; /* secondary channel interference is detected!!! */
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
} else {
primary_cca->intf_flag = 0;
primary_cca->intf_type = 0;
}
} else if (sec_ch_offset == 2) { /* secondary channel is above the primary channel */
if ((false_alm_cnt->cnt_ofdm_cca > 800) && (false_alm_cnt->cnt_bw_usc * 5 > false_alm_cnt->cnt_bw_lsc * 9)) {
primary_cca->intf_flag = 1; /* secondary channel interference is detected!!! */
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
} else {
primary_cca->intf_flag = 0;
primary_cca->intf_type = 0;
}
}
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("primary_cca=%d\n", primary_cca->pri_cca_flag));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Intf_Type=%d\n", primary_cca->intf_type));
}
/* 2 STA is Connected */
else {
if (client_40mhz == 0) /* 3 */ { /* client BW = 20MHz */
if (primary_cca->pri_cca_flag == 0) {
primary_cca->pri_cca_flag = 1;
if (sec_ch_offset == 1)
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 2);
else if (sec_ch_offset == 2)
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 1);
}
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("STA Connected 20M!!! primary_cca=%d\n", primary_cca->pri_cca_flag));
} else /* 3 */ { /* client BW = 40MHz */
if (primary_cca->intf_flag == 1) { /* interference is detected!! */
if (primary_cca->intf_type == 1) {
if (primary_cca->pri_cca_flag != 1) {
primary_cca->pri_cca_flag = 1;
if (sec_ch_offset == 1)
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 2);
else if (sec_ch_offset == 2)
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 1);
}
} else if (primary_cca->intf_type == 2) {
if (primary_cca->dup_rts_flag != 1)
primary_cca->dup_rts_flag = 1;
}
} else { /* if intf_flag==0 */
if ((cur_tx_ok_cnt + cur_rx_ok_cnt) < 10000) { /* idle mode or TP traffic is very low */
if (sec_ch_offset == 1) {
if ((false_alm_cnt->cnt_ofdm_cca > 800) && (false_alm_cnt->cnt_bw_lsc * 5 > false_alm_cnt->cnt_bw_usc * 9)) {
primary_cca->intf_flag = 1;
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
}
} else if (sec_ch_offset == 2) {
if ((false_alm_cnt->cnt_ofdm_cca > 800) && (false_alm_cnt->cnt_bw_usc * 5 > false_alm_cnt->cnt_bw_lsc * 9)) {
primary_cca->intf_flag = 1;
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
}
}
} else { /* TP Traffic is High */
if (sec_ch_offset == 1) {
if (false_alm_cnt->cnt_bw_lsc > (false_alm_cnt->cnt_bw_usc + 500)) {
if (delay == 0) { /* add delay to avoid interference occurring abruptly, jump one time */
primary_cca->intf_flag = 1;
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
delay = 1;
} else
delay = 0;
}
} else if (sec_ch_offset == 2) {
if (false_alm_cnt->cnt_bw_usc > (false_alm_cnt->cnt_bw_lsc + 500)) {
if (delay == 0) { /* add delay to avoid interference occurring abruptly */
primary_cca->intf_flag = 1;
if (false_alm_cnt->cnt_ofdm_fail > false_alm_cnt->cnt_ofdm_cca >> 1)
primary_cca->intf_type = 1; /* interference is shift */
else
primary_cca->intf_type = 2; /* interference is in-band */
delay = 1;
} else
delay = 0;
}
}
}
}
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Primary CCA=%d\n", primary_cca->pri_cca_flag));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Duplicate RTS=%d\n", primary_cca->dup_rts_flag));
}
} /* end of connected */
}
}
/* 1 Dynamic Primary CCA Monitor counter */
if ((primary_cca->pri_cca_flag == 1) || (primary_cca->dup_rts_flag == 1)) {
if (client_40mhz == 0) { /* client=20M no need to monitor primary cca flag */
client_40mhz_pre = client_40mhz;
return;
}
counter++;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("counter=%d\n", counter));
if ((counter == 30) || ((client_40mhz - client_40mhz_pre) == 1)) { /* Every 60 sec to monitor one time */
primary_cca->monitor_flag = 1; /* monitor flag is triggered!!!!! */
if (primary_cca->pri_cca_flag == 1) {
primary_cca->pri_cca_flag = 0;
odm_set_bb_reg(p_dm_odm, 0xc6c, BIT(8) | BIT(7), 0);
}
counter = 0;
}
}
}
client_40mhz_pre = client_40mhz;
#endif
}
#endif /* #if (RTL8188E_SUPPORT == 1) */
Reference in a new issue View git blame Copy permalink