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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.
*
* 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>
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
#error "This repo requires at least kernel 3.14. If it is impossible to update your system, then try checking out commit b2295f9c31eb1. It has errors, but it may build on an older kernel."
#endif
/*
*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);
}
}
#define OUI_REALTEK 0x00E04C
enum {
RTL_VENDOR_SCMD_COEX_AP_NUM = 2000,
RTL_VENDOR_SCMD_COEX_4WAY = 2001,
};
static u32 rtl_data_to_int(struct rtl_priv *rtlpriv, const void *data, int len)
{
u32 tmp = 0;
switch (len) {
case 1:
tmp = *((u8 *)data);
break;
case 2:
tmp = be16_to_cpu(*((u16 *)data));
break;
case 4:
tmp = be32_to_cpu(*((u32 *)data));
break;
default:
RT_TRACE(rtlpriv, COMP_VENDOR_CMD, DBG_WARNING,
"length of vendor command is %d\n", len);
break;
}
return tmp;
}
static int rtl_cfgvendor_coex_ap_num(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int len)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->btcoexist.btc_info.ap_num =
rtl_data_to_int(rtlpriv, data, len);
RT_TRACE(rtlpriv, COMP_VENDOR_CMD, DBG_DMESG,
"cfgvendor ap_num is %d\n",
rtlpriv->btcoexist.btc_info.ap_num);
return 0;
}
static int rtl_cfgvendor_coex_4way(struct wiphy *wiphy,
struct wireless_dev *wdev, const void *data, int len)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rtl_priv *rtlpriv = rtl_priv(hw);
bool tmp;
tmp = (rtl_data_to_int(rtlpriv, data, len) ? true : false);
rtlpriv->btcoexist.btc_info.in_4way = tmp;
rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
RT_TRACE(rtlpriv, COMP_VENDOR_CMD, DBG_DMESG,
"cfgvendor 4way is %d\n", rtlpriv->btcoexist.btc_info.in_4way);
return 0;
}
static const struct wiphy_vendor_command rtl_vendor_cmds[] = {
{
{
.vendor_id = OUI_REALTEK,
.subcmd = RTL_VENDOR_SCMD_COEX_AP_NUM
},
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_NETDEV,
.doit = rtl_cfgvendor_coex_ap_num,
},
{
{
.vendor_id = OUI_REALTEK,
.subcmd = RTL_VENDOR_SCMD_COEX_4WAY
},
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_NETDEV,
.doit = rtl_cfgvendor_coex_4way,
},
};
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;
hw->wiphy->vendor_commands = rtl_vendor_cmds;
hw->wiphy->n_vendor_commands =
sizeof(rtl_vendor_cmds) / sizeof(rtl_vendor_cmds[0]);
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 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0)
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_CONNECTION_MONITOR |
/* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0;
#else
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);
#endif
/* swlps or hwlps has been set in diff chip in init_sw_vars */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0)
if (rtlpriv->psc.swctrl_lps)
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
/* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
0;
if (rtlpriv->psc.fwctrl_lps)
hw->flags |= IEEE80211_HW_SUPPORTS_PS;
#else
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);
#endif
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 */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
timer_setup(&rtlpriv->works.watchdog_timer,
rtl_watch_dog_timer_callback, 0);
timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
rtl_easy_concurrent_retrytimer_callback, 0);
#else
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);
#endif
/* <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,