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base.c
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/******************************************************************************
*
* Copyright( c ) 2009-2012 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.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
*
* Bug Fixes and enhancements for Linux Kernels >= 3.2
* by Benjamin Porter <BenjaminPorter86@gmail.com>
*
* Project homepage: https://github.com/FreedomBen/rtl8188ce-linux-driver
*
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "wifi.h"
#include "rc.h"
#include "base.h"
#include "efuse.h"
#include "cam.h"
#include "ps.h"
#include "regd.h"
#include "pci.h"
#include <linux/ip.h>
#include <linux/module.h>
#include <linux/udp.h>
/*
*NOTICE!!!: This file will be very big, we should
*keep it clear under following roles:
*
*This file include following parts, so, if you add new
*functions into this file, please check which part it
*should includes. or check if you should add new part
*for this file:
*
*1 ) mac80211 init functions
*2 ) tx information functions
*3 ) functions called by core.c
*4 ) wq & timer callback functions
*5 ) frame process functions
*6 ) IOT functions
*7 ) sysfs functions
*8 ) vif functions
*9 ) ...
*/
/*********************************************************
*
* mac80211 init functions
*
*********************************************************/
static struct ieee80211_channel rtl_channeltable_2g[] = {
{.center_freq = 2412, .hw_value = 1,},
{.center_freq = 2417, .hw_value = 2,},
{.center_freq = 2422, .hw_value = 3,},
{.center_freq = 2427, .hw_value = 4,},
{.center_freq = 2432, .hw_value = 5,},
{.center_freq = 2437, .hw_value = 6,},
{.center_freq = 2442, .hw_value = 7,},
{.center_freq = 2447, .hw_value = 8,},
{.center_freq = 2452, .hw_value = 9,},
{.center_freq = 2457, .hw_value = 10,},
{.center_freq = 2462, .hw_value = 11,},
{.center_freq = 2467, .hw_value = 12,},
{.center_freq = 2472, .hw_value = 13,},
{.center_freq = 2484, .hw_value = 14,},
};
static struct ieee80211_channel rtl_channeltable_5g[] = {
{.center_freq = 5180, .hw_value = 36,},
{.center_freq = 5200, .hw_value = 40,},
{.center_freq = 5220, .hw_value = 44,},
{.center_freq = 5240, .hw_value = 48,},
{.center_freq = 5260, .hw_value = 52,},
{.center_freq = 5280, .hw_value = 56,},
{.center_freq = 5300, .hw_value = 60,},
{.center_freq = 5320, .hw_value = 64,},
{.center_freq = 5500, .hw_value = 100,},
{.center_freq = 5520, .hw_value = 104,},
{.center_freq = 5540, .hw_value = 108,},
{.center_freq = 5560, .hw_value = 112,},
{.center_freq = 5580, .hw_value = 116,},
{.center_freq = 5600, .hw_value = 120,},
{.center_freq = 5620, .hw_value = 124,},
{.center_freq = 5640, .hw_value = 128,},
{.center_freq = 5660, .hw_value = 132,},
{.center_freq = 5680, .hw_value = 136,},
{.center_freq = 5700, .hw_value = 140,},
{.center_freq = 5745, .hw_value = 149,},
{.center_freq = 5765, .hw_value = 153,},
{.center_freq = 5785, .hw_value = 157,},
{.center_freq = 5805, .hw_value = 161,},
{.center_freq = 5825, .hw_value = 165,},
};
static struct ieee80211_rate rtl_ratetable_2g[] = {
{.bitrate = 10, .hw_value = 0x00,},
{.bitrate = 20, .hw_value = 0x01,},
{.bitrate = 55, .hw_value = 0x02,},
{.bitrate = 110, .hw_value = 0x03,},
{.bitrate = 60, .hw_value = 0x04,},
{.bitrate = 90, .hw_value = 0x05,},
{.bitrate = 120, .hw_value = 0x06,},
{.bitrate = 180, .hw_value = 0x07,},
{.bitrate = 240, .hw_value = 0x08,},
{.bitrate = 360, .hw_value = 0x09,},
{.bitrate = 480, .hw_value = 0x0a,},
{.bitrate = 540, .hw_value = 0x0b,},
};
static struct ieee80211_rate rtl_ratetable_5g[] = {
{.bitrate = 60, .hw_value = 0x04,},
{.bitrate = 90, .hw_value = 0x05,},
{.bitrate = 120, .hw_value = 0x06,},
{.bitrate = 180, .hw_value = 0x07,},
{.bitrate = 240, .hw_value = 0x08,},
{.bitrate = 360, .hw_value = 0x09,},
{.bitrate = 480, .hw_value = 0x0a,},
{.bitrate = 540, .hw_value = 0x0b,},
};
static const struct ieee80211_supported_band rtl_band_2ghz = {
.band = NL80211_BAND_2GHZ,
.channels = rtl_channeltable_2g,
.n_channels = ARRAY_SIZE( rtl_channeltable_2g ),
.bitrates = rtl_ratetable_2g,
.n_bitrates = ARRAY_SIZE( rtl_ratetable_2g ),
.ht_cap = {0},
};
static struct ieee80211_supported_band rtl_band_5ghz = {
.band = NL80211_BAND_5GHZ,
.channels = rtl_channeltable_5g,
.n_channels = ARRAY_SIZE( rtl_channeltable_5g ),
.bitrates = rtl_ratetable_5g,
.n_bitrates = ARRAY_SIZE( rtl_ratetable_5g ),
.ht_cap = {0},
};
static const u8 tid_to_ac[] = {
2, /* IEEE80211_AC_BE */
3, /* IEEE80211_AC_BK */
3, /* IEEE80211_AC_BK */
2, /* IEEE80211_AC_BE */
1, /* IEEE80211_AC_VI */
1, /* IEEE80211_AC_VI */
0, /* IEEE80211_AC_VO */
0, /* IEEE80211_AC_VO */
};
u8 rtl_tid_to_ac( u8 tid )
{
return tid_to_ac[tid];
}
EXPORT_SYMBOL_GPL( rtl_tid_to_ac );
static void _rtl_init_hw_ht_capab( struct ieee80211_hw *hw,
struct ieee80211_sta_ht_cap *ht_cap )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_phy *rtlphy = &( rtlpriv->phy );
ht_cap->ht_supported = true;
ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
if ( rtlpriv->rtlhal.disable_amsdu_8k )
ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
/*
*Maximum length of AMPDU that the STA can receive.
*Length = 2 ^ ( 13 + max_ampdu_length_exp ) - 1 ( octets )
*/
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
/*Minimum MPDU start spacing , */
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
/*hw->wiphy->bands[NL80211_BAND_2GHZ]
*base on ant_num
*rx_mask: RX mask
*if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
*if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
*if rx_ant >= 3 rx_mask[2]= 0xff;
*if BW_40 rx_mask[4]= 0x01;
*highest supported RX rate
*/
if ( rtlpriv->dm.supp_phymode_switch ) {
pr_info( "Support phy mode switch\n" );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0xFF;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest = cpu_to_le16( MAX_BIT_RATE_40MHZ_MCS15 );
} else {
if ( get_rf_type( rtlphy ) == RF_1T2R ||
get_rf_type( rtlphy ) == RF_2T2R ) {
RT_TRACE( rtlpriv, COMP_INIT, DBG_DMESG,
"1T2R or 2T2R\n" );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0xFF;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest =
cpu_to_le16( MAX_BIT_RATE_40MHZ_MCS15 );
} else if ( get_rf_type( rtlphy ) == RF_1T1R ) {
RT_TRACE( rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n" );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0x00;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest =
cpu_to_le16( MAX_BIT_RATE_40MHZ_MCS7 );
}
}
}
static void _rtl_init_hw_vht_capab( struct ieee80211_hw *hw,
struct ieee80211_sta_vht_cap *vht_cap )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_hal *rtlhal = rtl_hal( rtlpriv );
if ( rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ) {
u16 mcs_map;
vht_cap->vht_supported = true;
vht_cap->cap =
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_HTC_VHT |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
0;
mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16( mcs_map );
vht_cap->vht_mcs.rx_highest =
cpu_to_le16( MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9 );
vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16( mcs_map );
vht_cap->vht_mcs.tx_highest =
cpu_to_le16( MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9 );
} else if ( rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE ) {
u16 mcs_map;
vht_cap->vht_supported = true;
vht_cap->cap =
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_HTC_VHT |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
0;
mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16( mcs_map );
vht_cap->vht_mcs.rx_highest =
cpu_to_le16( MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9 );
vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16( mcs_map );
vht_cap->vht_mcs.tx_highest =
cpu_to_le16( MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9 );
}
}
static void _rtl_init_mac80211( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_hal *rtlhal = rtl_hal( rtlpriv );
struct rtl_mac *rtlmac = rtl_mac( rtl_priv( hw ) );
struct rtl_efuse *rtlefuse = rtl_efuse( rtl_priv( hw ) );
struct ieee80211_supported_band *sband;
if ( rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
rtlhal->bandset == BAND_ON_BOTH ) {
/* 1: 2.4 G bands */
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[NL80211_BAND_2GHZ] );
/* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[NL80211_BAND_2GHZ] ), &rtl_band_2ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
/* 2: 5 G bands */
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[NL80211_BAND_5GHZ] );
/* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[NL80211_BAND_5GHZ] ), &rtl_band_5ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
_rtl_init_hw_vht_capab( hw, &sband->vht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
} else {
if ( rtlhal->current_bandtype == BAND_ON_2_4G ) {
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[NL80211_BAND_2GHZ] );
/* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[NL80211_BAND_2GHZ] ),
&rtl_band_2ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
} else if ( rtlhal->current_bandtype == BAND_ON_5G ) {
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[NL80211_BAND_5GHZ] );
/* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[NL80211_BAND_5GHZ] ),
&rtl_band_5ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
_rtl_init_hw_vht_capab( hw, &sband->vht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
} else {
pr_err( "Err BAND %d\n",
rtlhal->current_bandtype );
}
}
/* <5> set hw caps */
ieee80211_hw_set( hw, SIGNAL_DBM );
ieee80211_hw_set( hw, RX_INCLUDES_FCS );
ieee80211_hw_set( hw, AMPDU_AGGREGATION );
ieee80211_hw_set( hw, CONNECTION_MONITOR );
ieee80211_hw_set( hw, MFP_CAPABLE );
ieee80211_hw_set( hw, REPORTS_TX_ACK_STATUS );
/* swlps or hwlps has been set in diff chip in init_sw_vars */
if ( rtlpriv->psc.swctrl_lps ) {
ieee80211_hw_set( hw, SUPPORTS_PS );
ieee80211_hw_set( hw, PS_NULLFUNC_STACK );
}
if ( rtlpriv->psc.fwctrl_lps ) {
ieee80211_hw_set( hw, SUPPORTS_PS );
ieee80211_hw_set( hw, SUPPORTS_DYNAMIC_PS );
}
hw->wiphy->interface_modes =
BIT( NL80211_IFTYPE_AP ) |
BIT( NL80211_IFTYPE_STATION ) |
BIT( NL80211_IFTYPE_ADHOC ) |
BIT( NL80211_IFTYPE_MESH_POINT ) |
BIT( NL80211_IFTYPE_P2P_CLIENT ) |
BIT( NL80211_IFTYPE_P2P_GO );
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
hw->wiphy->rts_threshold = 2347;
hw->queues = AC_MAX;
hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
/* TODO: Correct this value for our hw */
/* TODO: define these hard code value */
hw->max_listen_interval = 10;
hw->max_rate_tries = 4;
/* hw->max_rates = 1; */
hw->sta_data_size = sizeof( struct rtl_sta_info );
/* wowlan is not supported by kernel if CONFIG_PM is not defined */
#ifdef CONFIG_PM
if ( rtlpriv->psc.wo_wlan_mode ) {
if ( rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET )
rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
if ( rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH ) {
rtlpriv->wowlan.n_patterns =
MAX_SUPPORT_WOL_PATTERN_NUM;
rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
}
hw->wiphy->wowlan = &rtlpriv->wowlan;
}
#endif
/* <6> mac address */
if ( is_valid_ether_addr( rtlefuse->dev_addr ) ) {
SET_IEEE80211_PERM_ADDR( hw, rtlefuse->dev_addr );
} else {
u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
get_random_bytes( ( rtlmac1 + ( ETH_ALEN - 1 ) ), 1 );
SET_IEEE80211_PERM_ADDR( hw, rtlmac1 );
}
}
static void _rtl_init_deferred_work( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
/* <1> timer */
setup_timer( &rtlpriv->works.watchdog_timer,
rtl_watch_dog_timer_callback, ( unsigned long )hw );
setup_timer( &rtlpriv->works.dualmac_easyconcurrent_retrytimer,
rtl_easy_concurrent_retrytimer_callback, ( unsigned long )hw );
/* <2> work queue */
rtlpriv->works.hw = hw;
rtlpriv->works.rtl_wq = alloc_workqueue( "%s", 0, 0, rtlpriv->cfg->name );
INIT_DELAYED_WORK( &rtlpriv->works.watchdog_wq,
( void * )rtl_watchdog_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ips_nic_off_wq,
( void * )rtl_ips_nic_off_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ps_work,
( void * )rtl_swlps_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ps_rfon_wq,
( void * )rtl_swlps_rfon_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.fwevt_wq,
( void * )rtl_fwevt_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.c2hcmd_wq,
( void * )rtl_c2hcmd_wq_callback );
}
void rtl_deinit_deferred_work( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
del_timer_sync( &rtlpriv->works.watchdog_timer );
cancel_delayed_work( &rtlpriv->works.watchdog_wq );
cancel_delayed_work( &rtlpriv->works.ips_nic_off_wq );
cancel_delayed_work( &rtlpriv->works.ps_work );
cancel_delayed_work( &rtlpriv->works.ps_rfon_wq );
cancel_delayed_work( &rtlpriv->works.fwevt_wq );
cancel_delayed_work( &rtlpriv->works.c2hcmd_wq );
}
EXPORT_SYMBOL_GPL( rtl_deinit_deferred_work );
void rtl_init_rfkill( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
bool radio_state;
bool blocked;
u8 valid = 0;
/*set init state to on */
rtlpriv->rfkill.rfkill_state = true;
wiphy_rfkill_set_hw_state( hw->wiphy, 0 );
radio_state = rtlpriv->cfg->ops->radio_onoff_checking( hw, &valid );
if ( valid ) {
pr_info( "rtlwifi: wireless switch is %s\n",
rtlpriv->rfkill.rfkill_state ? "on" : "off" );
rtlpriv->rfkill.rfkill_state = radio_state;
blocked = ( rtlpriv->rfkill.rfkill_state == 1 ) ? 0 : 1;
wiphy_rfkill_set_hw_state( hw->wiphy, blocked );
}
wiphy_rfkill_start_polling( hw->wiphy );
}
EXPORT_SYMBOL( rtl_init_rfkill );
void rtl_deinit_rfkill( struct ieee80211_hw *hw )
{
wiphy_rfkill_stop_polling( hw->wiphy );
}
EXPORT_SYMBOL_GPL( rtl_deinit_rfkill );
int rtl_init_core( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *rtlmac = rtl_mac( rtl_priv( hw ) );
/* <1> init mac80211 */
_rtl_init_mac80211( hw );
rtlmac->hw = hw;
/* <2> rate control register */
hw->rate_control_algorithm = "rtl_rc";
/*
* <3> init CRDA must come after init
* mac80211 hw in _rtl_init_mac80211.
*/
if ( rtl_regd_init( hw, rtl_reg_notifier ) ) {
pr_err( "REGD init failed\n" );
return 1;
}
/* <4> locks */
mutex_init( &rtlpriv->locks.conf_mutex );
spin_lock_init( &rtlpriv->locks.ips_lock );
spin_lock_init( &rtlpriv->locks.irq_th_lock );
spin_lock_init( &rtlpriv->locks.h2c_lock );
spin_lock_init( &rtlpriv->locks.rf_ps_lock );
spin_lock_init( &rtlpriv->locks.rf_lock );
spin_lock_init( &rtlpriv->locks.waitq_lock );
spin_lock_init( &rtlpriv->locks.entry_list_lock );
spin_lock_init( &rtlpriv->locks.c2hcmd_lock );
spin_lock_init( &rtlpriv->locks.scan_list_lock );
spin_lock_init( &rtlpriv->locks.cck_and_rw_pagea_lock );
spin_lock_init( &rtlpriv->locks.check_sendpkt_lock );
spin_lock_init( &rtlpriv->locks.fw_ps_lock );
spin_lock_init( &rtlpriv->locks.lps_lock );
spin_lock_init( &rtlpriv->locks.iqk_lock );
/* <5> init list */
INIT_LIST_HEAD( &rtlpriv->entry_list );
INIT_LIST_HEAD( &rtlpriv->c2hcmd_list );
INIT_LIST_HEAD( &rtlpriv->scan_list.list );
rtlmac->link_state = MAC80211_NOLINK;
/* <6> init deferred work */
_rtl_init_deferred_work( hw );
return 0;
}
EXPORT_SYMBOL_GPL( rtl_init_core );
static void rtl_free_entries_from_scan_list( struct ieee80211_hw *hw );
void rtl_deinit_core( struct ieee80211_hw *hw )
{
rtl_c2hcmd_launcher( hw, 0 );
rtl_free_entries_from_scan_list( hw );
}
EXPORT_SYMBOL_GPL( rtl_deinit_core );
void rtl_init_rx_config( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
rtlpriv->cfg->ops->get_hw_reg( hw, HW_VAR_RCR, ( u8 * ) ( &mac->rx_conf ) );
}
EXPORT_SYMBOL_GPL( rtl_init_rx_config );
/*********************************************************
*
* tx information functions
*
*********************************************************/
static void _rtl_qurey_shortpreamble_mode( struct ieee80211_hw *hw,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
u8 rate_flag = info->control.rates[0].flags;
tcb_desc->use_shortpreamble = false;
/* 1M can only use Long Preamble. 11B spec */
if ( tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M] )
return;
else if ( rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE )
tcb_desc->use_shortpreamble = true;
return;
}
static void _rtl_query_shortgi( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
u8 rate_flag = info->control.rates[0].flags;
u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
u8 sgi_80 = 0, bw_80 = 0;
tcb_desc->use_shortgi = false;
if ( sta == NULL )
return;
sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
if ( ( !sta->ht_cap.ht_supported ) && ( !sta->vht_cap.vht_supported ) )
return;
if ( !sgi_40 && !sgi_20 )
return;
if ( mac->opmode == NL80211_IFTYPE_STATION ) {
bw_40 = mac->bw_40;
bw_80 = mac->bw_80;
} else if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
bw_80 = sta->vht_cap.vht_supported;
}
if ( bw_80 ) {
if ( sgi_80 )
tcb_desc->use_shortgi = true;
else
tcb_desc->use_shortgi = false;
} else {
if ( bw_40 && sgi_40 )
tcb_desc->use_shortgi = true;
else if ( !bw_40 && sgi_20 )
tcb_desc->use_shortgi = true;
}
if ( !( rate_flag & IEEE80211_TX_RC_SHORT_GI ) )
tcb_desc->use_shortgi = false;
}
static void _rtl_query_protection_mode( struct ieee80211_hw *hw,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
u8 rate_flag = info->control.rates[0].flags;
/* Common Settings */
tcb_desc->rts_stbc = false;
tcb_desc->cts_enable = false;
tcb_desc->rts_sc = 0;
tcb_desc->rts_bw = false;
tcb_desc->rts_use_shortpreamble = false;
tcb_desc->rts_use_shortgi = false;
if ( rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT ) {
/* Use CTS-to-SELF in protection mode. */
tcb_desc->rts_enable = true;
tcb_desc->cts_enable = true;
tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
} else if ( rate_flag & IEEE80211_TX_RC_USE_RTS_CTS ) {
/* Use RTS-CTS in protection mode. */
tcb_desc->rts_enable = true;
tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
}
}
static void _rtl_txrate_selectmode( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
struct rtl_sta_info *sta_entry = NULL;
u8 ratr_index = 7;
if ( sta ) {
sta_entry = ( struct rtl_sta_info * ) sta->drv_priv;
ratr_index = sta_entry->ratr_index;
}
if ( !tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate ) {
if ( mac->opmode == NL80211_IFTYPE_STATION ) {
tcb_desc->ratr_index = 0;
} else if ( mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
if ( tcb_desc->multicast || tcb_desc->broadcast ) {
tcb_desc->hw_rate =
rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
tcb_desc->use_driver_rate = 1;
tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
} else {
tcb_desc->ratr_index = ratr_index;
}
} else if ( mac->opmode == NL80211_IFTYPE_AP ) {
tcb_desc->ratr_index = ratr_index;
}
}
if ( rtlpriv->dm.useramask ) {
tcb_desc->ratr_index = ratr_index;
/* TODO we will differentiate adhoc and station future */
if ( mac->opmode == NL80211_IFTYPE_STATION ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
tcb_desc->mac_id = 0;
if ( mac->mode == WIRELESS_MODE_AC_5G )
tcb_desc->ratr_index =
RATR_INX_WIRELESS_AC_5N;
else if ( mac->mode == WIRELESS_MODE_AC_24G )
tcb_desc->ratr_index =
RATR_INX_WIRELESS_AC_24N;
else if ( mac->mode == WIRELESS_MODE_N_24G )
tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
else if ( mac->mode == WIRELESS_MODE_N_5G )
tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
else if ( mac->mode & WIRELESS_MODE_G )
tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
else if ( mac->mode & WIRELESS_MODE_B )
tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
else if ( mac->mode & WIRELESS_MODE_A )
tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
} else if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ) {
if ( NULL != sta ) {
if ( sta->aid > 0 )
tcb_desc->mac_id = sta->aid + 1;
else
tcb_desc->mac_id = 1;
} else {
tcb_desc->mac_id = 0;
}
}
}
}
static void _rtl_query_bandwidth_mode( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
tcb_desc->packet_bw = false;
if ( !sta )
return;
if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
if ( !( sta->ht_cap.ht_supported ) ||
!( sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ) )
return;
} else if ( mac->opmode == NL80211_IFTYPE_STATION ) {
if ( !mac->bw_40 || !( sta->ht_cap.ht_supported ) )
return;
}
if ( tcb_desc->multicast || tcb_desc->broadcast )
return;
/*use legency rate, shall use 20MHz */
if ( tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M] )
return;
tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
if ( rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE ) {
if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
if ( !( sta->vht_cap.vht_supported ) )
return;
} else if ( mac->opmode == NL80211_IFTYPE_STATION ) {
if ( !mac->bw_80 ||
!( sta->vht_cap.vht_supported ) )
return;
}
if ( tcb_desc->hw_rate <=
rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] )
return;
tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
}
}
static u8 _rtl_get_vht_highest_n_rate( struct ieee80211_hw *hw,
struct ieee80211_sta *sta )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_phy *rtlphy = &( rtlpriv->phy );
u8 hw_rate;
u16 tx_mcs_map = le16_to_cpu( sta->vht_cap.vht_mcs.tx_mcs_map );
if ( ( get_rf_type( rtlphy ) == RF_2T2R ) &&
( tx_mcs_map & 0x000c ) != 0x000c ) {
if ( ( tx_mcs_map & 0x000c ) >> 2 ==
IEEE80211_VHT_MCS_SUPPORT_0_7 )
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
else if ( ( tx_mcs_map & 0x000c ) >> 2 ==
IEEE80211_VHT_MCS_SUPPORT_0_8 )
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
else
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
} else {
if ( ( tx_mcs_map & 0x0003 ) ==
IEEE80211_VHT_MCS_SUPPORT_0_7 )
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
else if ( ( tx_mcs_map & 0x0003 ) ==
IEEE80211_VHT_MCS_SUPPORT_0_8 )
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
else
hw_rate =
rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
}
return hw_rate;
}
static u8 _rtl_get_highest_n_rate( struct ieee80211_hw *hw,
struct ieee80211_sta *sta )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_phy *rtlphy = &rtlpriv->phy;
u8 hw_rate;
if ( ( get_rf_type( rtlphy ) == RF_2T2R ) &&
( sta->ht_cap.mcs.rx_mask[1] != 0 ) )
hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
else
hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
return hw_rate;
}
/* mac80211's rate_idx is like this:
*
* 2.4G band:rx_status->band == NL80211_BAND_2GHZ
*
* B/G rate:
* ( rx_status->flag & RX_FLAG_HT ) = 0,
* DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
*
* N rate:
* ( rx_status->flag & RX_FLAG_HT ) = 1,
* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
*
* 5G band:rx_status->band == NL80211_BAND_5GHZ
* A rate:
* ( rx_status->flag & RX_FLAG_HT ) = 0,
* DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
*
* N rate:
* ( rx_status->flag & RX_FLAG_HT ) = 1,
* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
*
* VHT rates:
* DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
* DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
*/
int rtlwifi_rate_mapping( struct ieee80211_hw *hw, bool isht, bool isvht,
u8 desc_rate )
{
int rate_idx;
if ( isvht ) {
switch ( desc_rate ) {
case DESC_RATEVHT1SS_MCS0:
rate_idx = 0;
break;
case DESC_RATEVHT1SS_MCS1:
rate_idx = 1;
break;
case DESC_RATEVHT1SS_MCS2:
rate_idx = 2;
break;
case DESC_RATEVHT1SS_MCS3:
rate_idx = 3;
break;
case DESC_RATEVHT1SS_MCS4:
rate_idx = 4;
break;
case DESC_RATEVHT1SS_MCS5:
rate_idx = 5;
break;
case DESC_RATEVHT1SS_MCS6:
rate_idx = 6;
break;
case DESC_RATEVHT1SS_MCS7:
rate_idx = 7;
break;
case DESC_RATEVHT1SS_MCS8:
rate_idx = 8;
break;
case DESC_RATEVHT1SS_MCS9:
rate_idx = 9;
break;
case DESC_RATEVHT2SS_MCS0:
rate_idx = 0;
break;
case DESC_RATEVHT2SS_MCS1:
rate_idx = 1;
break;
case DESC_RATEVHT2SS_MCS2:
rate_idx = 2;
break;
case DESC_RATEVHT2SS_MCS3:
rate_idx = 3;
break;
case DESC_RATEVHT2SS_MCS4:
rate_idx = 4;
break;
case DESC_RATEVHT2SS_MCS5:
rate_idx = 5;
break;
case DESC_RATEVHT2SS_MCS6:
rate_idx = 6;
break;
case DESC_RATEVHT2SS_MCS7:
rate_idx = 7;
break;
case DESC_RATEVHT2SS_MCS8:
rate_idx = 8;
break;
case DESC_RATEVHT2SS_MCS9:
rate_idx = 9;
break;
default:
rate_idx = 0;
break;
}
return rate_idx;
}
if ( false == isht ) {
if ( NL80211_BAND_2GHZ == hw->conf.chandef.chan->band ) {
switch ( desc_rate ) {
case DESC_RATE1M:
rate_idx = 0;
break;
case DESC_RATE2M:
rate_idx = 1;
break;
case DESC_RATE5_5M:
rate_idx = 2;
break;
case DESC_RATE11M:
rate_idx = 3;
break;
case DESC_RATE6M:
rate_idx = 4;
break;
case DESC_RATE9M:
rate_idx = 5;