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ioctl_cfg80211.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 _IOCTL_CFG80211_C_
#include <drv_types.h>
#include <hal_data.h>
#ifdef CONFIG_IOCTL_CFG80211
#include "api_level.h"
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(4, 0, 0))
#define STATION_INFO_SIGNAL BIT(NL80211_STA_INFO_SIGNAL)
#define STATION_INFO_TX_BITRATE BIT(NL80211_STA_INFO_TX_BITRATE)
#define STATION_INFO_TX_BITRATE_BW_5 BIT(RATE_INFO_BW_5)
#define STATION_INFO_TX_BITRATE_BW_10 BIT(RATE_INFO_BW_10)
#define STATION_INFO_TX_BITRATE_BW_20 BIT(RATE_INFO_BW_20)
#define STATION_INFO_TX_BITRATE_BW_40 BIT(RATE_INFO_BW_40)
#define STATION_INFO_TX_BITRATE_BW_80 BIT(RATE_INFO_BW_80)
#define STATION_INFO_TX_BITRATE_BW_160 BIT(RATE_INFO_BW_160)
#define STATION_INFO_RX_PACKETS BIT(NL80211_STA_INFO_RX_PACKETS)
#define STATION_INFO_TX_PACKETS BIT(NL80211_STA_INFO_TX_PACKETS)
#define STATION_INFO_TX_FAILED BIT(NL80211_STA_INFO_TX_FAILED)
#define STATION_INFO_RX_BYTES BIT(NL80211_STA_INFO_RX_BYTES)
#define STATION_INFO_TX_BYTES BIT(NL80211_STA_INFO_TX_BYTES)
#define STATION_INFO_ASSOC_REQ_IES 0
#define STATION_INFO_BSS_PARAM BIT(NL80211_STA_INFO_BSS_PARAM)
#define STATION_INFO_BSS_PARAM_CTS_PROT BIT(NL80211_STA_BSS_PARAM_CTS_PROT)
#define STATION_INFO_BSS_PARAM_SHORT_PREAMBLE BIT(NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)
#define STATION_INFO_BSS_PARAM_SHORT_SLOT_TIME BIT(NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)
#define STATION_INFO_BSS_PARAM_DTIM_PERIOD BIT(NL80211_STA_BSS_PARAM_DTIM_PERIOD)
#define STATION_INFO_BSS_PARAM_BEACON_INTERVAL BIT(NL80211_STA_BSS_PARAM_BEACON_INTERVAL)
#endif /* Linux kernel >= 4.0.0 */
#include <rtw_wifi_regd.h>
#define RTW_MAX_MGMT_TX_CNT (8)
#define RTW_MAX_MGMT_TX_MS_GAS (500)
#define RTW_SCAN_IE_LEN_MAX 2304
#define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
#define RTW_MAX_NUM_PMKIDS 4
#define RTW_CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */
#ifdef CONFIG_WAPI_SUPPORT
#ifndef WLAN_CIPHER_SUITE_SMS4
#define WLAN_CIPHER_SUITE_SMS4 0x00147201
#endif
#ifndef WLAN_AKM_SUITE_WAPI_PSK
#define WLAN_AKM_SUITE_WAPI_PSK 0x000FAC04
#endif
#ifndef WLAN_AKM_SUITE_WAPI_CERT
#define WLAN_AKM_SUITE_WAPI_CERT 0x000FAC12
#endif
#ifndef NL80211_WAPI_VERSION_1
#define NL80211_WAPI_VERSION_1 (1 << 2)
#endif
#endif /* CONFIG_WAPI_SUPPORT */
#ifdef CONFIG_RTW_80211R
#define WLAN_AKM_SUITE_FT_8021X 0x000FAC03
#define WLAN_AKM_SUITE_FT_PSK 0x000FAC04
#endif
static const u32 rtw_cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
#ifdef CONFIG_WAPI_SUPPORT
WLAN_CIPHER_SUITE_SMS4,
#endif /* CONFIG_WAPI_SUPPORT */
#ifdef CONFIG_IEEE80211W
WLAN_CIPHER_SUITE_AES_CMAC,
#endif /* CONFIG_IEEE80211W */
};
#define RATETAB_ENT(_rate, _rateid, _flags) \
{ \
.bitrate = (_rate), \
.hw_value = (_rateid), \
.flags = (_flags), \
}
#define CHAN2G(_channel, _freq, _flags) { \
.band = NL80211_BAND_2GHZ, \
.center_freq = (_freq), \
.hw_value = (_channel), \
.flags = (_flags), \
.max_antenna_gain = 0, \
.max_power = 30, \
}
#define CHAN5G(_channel, _flags) { \
.band = NL80211_BAND_5GHZ, \
.center_freq = 5000 + (5 * (_channel)), \
.hw_value = (_channel), \
.flags = (_flags), \
.max_antenna_gain = 0, \
.max_power = 30, \
}
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(3, 0, 0))
/* if wowlan is not supported, kernel generate a disconnect at each suspend
* cf: /net/wireless/sysfs.c, so register a stub wowlan.
* Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
* (from user space, e.g. iw phy0 wowlan enable)
*/
static const struct wiphy_wowlan_support wowlan_stub = {
.flags = WIPHY_WOWLAN_ANY,
.n_patterns = 0,
.pattern_max_len = 0,
.pattern_min_len = 0,
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(3, 10, 0))
.max_pkt_offset = 0,
#endif
};
#endif
static struct ieee80211_rate rtw_rates[] = {
RATETAB_ENT(10, 0x1, 0),
RATETAB_ENT(20, 0x2, 0),
RATETAB_ENT(55, 0x4, 0),
RATETAB_ENT(110, 0x8, 0),
RATETAB_ENT(60, 0x10, 0),
RATETAB_ENT(90, 0x20, 0),
RATETAB_ENT(120, 0x40, 0),
RATETAB_ENT(180, 0x80, 0),
RATETAB_ENT(240, 0x100, 0),
RATETAB_ENT(360, 0x200, 0),
RATETAB_ENT(480, 0x400, 0),
RATETAB_ENT(540, 0x800, 0),
};
#define rtw_a_rates (rtw_rates + 4)
#define RTW_A_RATES_NUM 8
#define rtw_g_rates (rtw_rates + 0)
#define RTW_G_RATES_NUM 12
/* from center_ch_2g */
static struct ieee80211_channel rtw_2ghz_channels[MAX_CHANNEL_NUM_2G] = {
CHAN2G(1, 2412, 0),
CHAN2G(2, 2417, 0),
CHAN2G(3, 2422, 0),
CHAN2G(4, 2427, 0),
CHAN2G(5, 2432, 0),
CHAN2G(6, 2437, 0),
CHAN2G(7, 2442, 0),
CHAN2G(8, 2447, 0),
CHAN2G(9, 2452, 0),
CHAN2G(10, 2457, 0),
CHAN2G(11, 2462, 0),
CHAN2G(12, 2467, 0),
CHAN2G(13, 2472, 0),
CHAN2G(14, 2484, 0),
};
/* from center_ch_5g_20m */
static struct ieee80211_channel rtw_5ghz_a_channels[MAX_CHANNEL_NUM_5G] = {
CHAN5G(36, 0), CHAN5G(40, 0), CHAN5G(44, 0), CHAN5G(48, 0),
CHAN5G(52, 0), CHAN5G(56, 0), CHAN5G(60, 0), CHAN5G(64, 0),
CHAN5G(100, 0), CHAN5G(104, 0), CHAN5G(108, 0), CHAN5G(112, 0),
CHAN5G(116, 0), CHAN5G(120, 0), CHAN5G(124, 0), CHAN5G(128, 0),
CHAN5G(132, 0), CHAN5G(136, 0), CHAN5G(140, 0), CHAN5G(144, 0),
CHAN5G(149, 0), CHAN5G(153, 0), CHAN5G(157, 0), CHAN5G(161, 0),
CHAN5G(165, 0), CHAN5G(169, 0), CHAN5G(173, 0), CHAN5G(177, 0),
};
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
static const char *nl80211_channel_type_str(enum nl80211_channel_type ctype)
{
switch (ctype) {
case NL80211_CHAN_NO_HT:
return "NO_HT";
case NL80211_CHAN_HT20:
return "HT20";
case NL80211_CHAN_HT40MINUS:
return "HT40-";
case NL80211_CHAN_HT40PLUS:
return "HT40+";
default:
return "INVALID";
};
}
static enum nl80211_channel_type rtw_chbw_to_nl80211_channel_type(u8 ch, u8 bw, u8 offset, u8 ht)
{
rtw_warn_on(!ht && (bw >= CHANNEL_WIDTH_40 || offset != HAL_PRIME_CHNL_OFFSET_DONT_CARE));
if (!ht)
return NL80211_CHAN_NO_HT;
if (bw >= CHANNEL_WIDTH_40) {
if (offset == HAL_PRIME_CHNL_OFFSET_UPPER)
return NL80211_CHAN_HT40MINUS;
else if (offset == HAL_PRIME_CHNL_OFFSET_LOWER)
return NL80211_CHAN_HT40PLUS;
else
rtw_warn_on(1);
}
return NL80211_CHAN_HT20;
}
static void rtw_get_chbw_from_nl80211_channel_type(struct ieee80211_channel *chan, enum nl80211_channel_type ctype, u8 *ht, u8 *ch, u8 *bw, u8 *offset)
{
int pri_freq;
pri_freq = rtw_ch2freq(chan->hw_value);
if (!pri_freq) {
RTW_INFO("invalid channel:%d\n", chan->hw_value);
rtw_warn_on(1);
*ch = 0;
return;
}
*ch = chan->hw_value;
switch (ctype) {
case NL80211_CHAN_NO_HT:
*ht = 0;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
case NL80211_CHAN_HT20:
*ht = 1;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
case NL80211_CHAN_HT40MINUS:
*ht = 1;
*bw = CHANNEL_WIDTH_40;
*offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
case NL80211_CHAN_HT40PLUS:
*ht = 1;
*bw = CHANNEL_WIDTH_40;
*offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
default:
*ht = 0;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
RTW_INFO("unsupported ctype:%s\n", nl80211_channel_type_str(ctype));
rtw_warn_on(1);
};
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
static const char *nl80211_chan_width_str(enum nl80211_chan_width cwidth)
{
switch (cwidth) {
case NL80211_CHAN_WIDTH_20_NOHT:
return "20_NOHT";
case NL80211_CHAN_WIDTH_20:
return "20";
case NL80211_CHAN_WIDTH_40:
return "40";
case NL80211_CHAN_WIDTH_80:
return "80";
case NL80211_CHAN_WIDTH_80P80:
return "80+80";
case NL80211_CHAN_WIDTH_160:
return "160";
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
case NL80211_CHAN_WIDTH_5:
return "5";
case NL80211_CHAN_WIDTH_10:
return "10";
#endif
default:
return "INVALID";
};
}
static u8 rtw_chbw_to_cfg80211_chan_def(struct wiphy *wiphy, struct cfg80211_chan_def *chdef, u8 ch, u8 bw, u8 offset, u8 ht)
{
int freq, cfreq;
struct ieee80211_channel *chan;
u8 ret = _FAIL;
freq = rtw_ch2freq(ch);
if (!freq)
goto exit;
cfreq = rtw_get_center_ch(ch, bw, offset);
if (!cfreq)
goto exit;
cfreq = rtw_ch2freq(cfreq);
if (!cfreq)
goto exit;
chan = ieee80211_get_channel(wiphy, freq);
if (!chan)
goto exit;
if (bw == CHANNEL_WIDTH_20)
chdef->width = ht ? NL80211_CHAN_WIDTH_20 : NL80211_CHAN_WIDTH_20_NOHT;
else if (bw == CHANNEL_WIDTH_40)
chdef->width = NL80211_CHAN_WIDTH_40;
else if (bw == CHANNEL_WIDTH_80)
chdef->width = NL80211_CHAN_WIDTH_80;
else if (bw == CHANNEL_WIDTH_160)
chdef->width = NL80211_CHAN_WIDTH_160;
else {
rtw_warn_on(1);
goto exit;
}
chdef->chan = chan;
chdef->center_freq1 = cfreq;
chdef->center_freq2 = 0;
ret = _SUCCESS;
exit:
return ret;
}
static void rtw_get_chbw_from_cfg80211_chan_def(struct cfg80211_chan_def *chdef, u8 *ht, u8 *ch, u8 *bw, u8 *offset)
{
int pri_freq;
struct ieee80211_channel *chan = chdef->chan;
pri_freq = rtw_ch2freq(chan->hw_value);
if (!pri_freq) {
RTW_INFO("invalid channel:%d\n", chan->hw_value);
rtw_warn_on(1);
*ch = 0;
return;
}
switch (chdef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
*ht = 0;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
*ch = chan->hw_value;
break;
case NL80211_CHAN_WIDTH_20:
*ht = 1;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
*ch = chan->hw_value;
break;
case NL80211_CHAN_WIDTH_40:
*ht = 1;
*bw = CHANNEL_WIDTH_40;
*offset = pri_freq > chdef->center_freq1 ? HAL_PRIME_CHNL_OFFSET_UPPER : HAL_PRIME_CHNL_OFFSET_LOWER;
if (rtw_get_offset_by_chbw(chan->hw_value, *bw, offset))
*ch = chan->hw_value;
break;
case NL80211_CHAN_WIDTH_80:
*ht = 1;
*bw = CHANNEL_WIDTH_80;
if (rtw_get_offset_by_chbw(chan->hw_value, *bw, offset))
*ch = chan->hw_value;
break;
case NL80211_CHAN_WIDTH_160:
*ht = 1;
*bw = CHANNEL_WIDTH_160;
if (rtw_get_offset_by_chbw(chan->hw_value, *bw, offset))
*ch = chan->hw_value;
break;
case NL80211_CHAN_WIDTH_80P80:
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
case NL80211_CHAN_WIDTH_5:
case NL80211_CHAN_WIDTH_10:
#endif
default:
*ht = 0;
*bw = CHANNEL_WIDTH_20;
*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
RTW_INFO("unsupported cwidth:%s\n", nl80211_chan_width_str(chdef->width));
rtw_warn_on(1);
};
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
u8 rtw_cfg80211_ch_switch_notify(_adapter *adapter, u8 ch, u8 bw, u8 offset, u8 ht)
{
struct wiphy *wiphy = adapter_to_wiphy(adapter);
u8 ret = _SUCCESS;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
struct cfg80211_chan_def chdef;
ret = rtw_chbw_to_cfg80211_chan_def(wiphy, &chdef, ch, bw, offset, ht);
if (ret != _SUCCESS)
goto exit;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0))
cfg80211_ch_switch_notify(adapter->pnetdev, &chdef, 0, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 2))
cfg80211_ch_switch_notify(adapter->pnetdev, &chdef, 0);
#else
cfg80211_ch_switch_notify(adapter->pnetdev, &chdef);
#endif
#else
int freq = rtw_ch2freq(ch);
enum nl80211_channel_type ctype;
if (!freq) {
ret = _FAIL;
goto exit;
}
ctype = rtw_chbw_to_nl80211_channel_type(ch, bw, offset, ht);
cfg80211_ch_switch_notify(adapter->pnetdev, freq, ctype);
#endif
exit:
return ret;
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */
void rtw_2g_channels_init(struct ieee80211_channel *channels)
{
_rtw_memcpy((void *)channels, (void *)rtw_2ghz_channels, sizeof(rtw_2ghz_channels));
}
void rtw_5g_channels_init(struct ieee80211_channel *channels)
{
_rtw_memcpy((void *)channels, (void *)rtw_5ghz_a_channels, sizeof(rtw_5ghz_a_channels));
}
void rtw_2g_rates_init(struct ieee80211_rate *rates)
{
_rtw_memcpy(rates, rtw_g_rates,
sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM
);
}
void rtw_5g_rates_init(struct ieee80211_rate *rates)
{
_rtw_memcpy(rates, rtw_a_rates,
sizeof(struct ieee80211_rate) * RTW_A_RATES_NUM
);
}
struct ieee80211_supported_band *rtw_spt_band_alloc(
enum nl80211_band band
)
{
struct ieee80211_supported_band *spt_band = NULL;
int n_channels, n_bitrates;
if (band == NL80211_BAND_2GHZ) {
n_channels = MAX_CHANNEL_NUM_2G;
n_bitrates = RTW_G_RATES_NUM;
} else if (band == NL80211_BAND_5GHZ) {
n_channels = MAX_CHANNEL_NUM_5G;
n_bitrates = RTW_A_RATES_NUM;
} else
goto exit;
spt_band = (struct ieee80211_supported_band *)rtw_zmalloc(
sizeof(struct ieee80211_supported_band)
+ sizeof(struct ieee80211_channel) * n_channels
+ sizeof(struct ieee80211_rate) * n_bitrates
);
if (!spt_band)
goto exit;
spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band) + sizeof(struct ieee80211_supported_band));
spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels) + sizeof(struct ieee80211_channel) * n_channels);
spt_band->band = band;
spt_band->n_channels = n_channels;
spt_band->n_bitrates = n_bitrates;
if (band == NL80211_BAND_2GHZ) {
rtw_2g_channels_init(spt_band->channels);
rtw_2g_rates_init(spt_band->bitrates);
} else if (band == NL80211_BAND_5GHZ) {
rtw_5g_channels_init(spt_band->channels);
rtw_5g_rates_init(spt_band->bitrates);
}
/* spt_band.ht_cap */
exit:
return spt_band;
}
void rtw_spt_band_free(struct ieee80211_supported_band *spt_band)
{
u32 size = 0;
if (!spt_band)
return;
#if (KERNEL_VERSION(4, 7, 0) <= LINUX_VERSION_CODE)
if (spt_band->band == NL80211_BAND_2GHZ) {
#else
if (spt_band->band == IEEE80211_BAND_2GHZ) {
#endif
size = sizeof(struct ieee80211_supported_band)
+ sizeof(struct ieee80211_channel) * MAX_CHANNEL_NUM_2G
+ sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM;
#if (KERNEL_VERSION(4, 7, 0) <= LINUX_VERSION_CODE)
} else if (spt_band->band == NL80211_BAND_5GHZ) {
#else
} else if (spt_band->band == IEEE80211_BAND_5GHZ) {
#endif
size = sizeof(struct ieee80211_supported_band)
+ sizeof(struct ieee80211_channel) * MAX_CHANNEL_NUM_5G
+ sizeof(struct ieee80211_rate) * RTW_A_RATES_NUM;
} else {
}
rtw_mfree((u8 *)spt_band, size);
}
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
static const struct ieee80211_txrx_stypes
rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_ADHOC] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_STATION] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_AP] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_AP_VLAN] = {
/* copy AP */
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_P2P_GO] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
#if defined(RTW_DEDICATED_P2P_DEVICE)
[NL80211_IFTYPE_P2P_DEVICE] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
#endif
};
#endif
static u64 rtw_get_systime_us(void)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) && LINUX_VERSION_CODE < KERNEL_VERSION(4, 20, 0))
struct timespec ts;
get_monotonic_boottime(&ts);
return ((u64)ts.tv_sec * 1000000) + ts.tv_nsec / 1000;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
return ktime_to_us(ktime_get_boottime());
#else
struct timeval tv;
do_gettimeofday(&tv);
return ((u64)tv.tv_sec * 1000000) + tv.tv_usec;
#endif
}
/* Try to remove non target BSS's SR to reduce PBC overlap rate */
static int rtw_cfg80211_clear_wps_sr_of_non_target_bss(_adapter *padapter, struct wlan_network *pnetwork, struct cfg80211_ssid *req_ssid)
{
struct rtw_wdev_priv *wdev_data = adapter_wdev_data(padapter);
int ret = 0;
u8 *psr = NULL, sr = 0;
NDIS_802_11_SSID *pssid = &pnetwork->network.Ssid;
u32 wpsielen = 0;
u8 *wpsie = NULL;
if (pssid->SsidLength == req_ssid->ssid_len
&& _rtw_memcmp(pssid->Ssid, req_ssid->ssid, req_ssid->ssid_len) == _TRUE)
goto exit;
wpsie = rtw_get_wps_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_
, pnetwork->network.IELength - _FIXED_IE_LENGTH_, NULL, &wpsielen);
if (wpsie && wpsielen > 0)
psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, &sr, NULL);
if (psr && sr) {
if (0)
RTW_INFO("clear sr of non target bss:%s("MAC_FMT")\n"
, pssid->Ssid, MAC_ARG(pnetwork->network.MacAddress));
*psr = 0; /* clear sr */
ret = 1;
}
exit:
return ret;
}
#define MAX_BSSINFO_LEN 1000
struct cfg80211_bss *rtw_cfg80211_inform_bss(_adapter *padapter, struct wlan_network *pnetwork)
{
struct ieee80211_channel *notify_channel;
struct cfg80211_bss *bss = NULL;
/* struct ieee80211_supported_band *band; */
u16 channel;
u32 freq;
u64 notify_timestamp;
u16 notify_capability;
u16 notify_interval;
u8 *notify_ie;
size_t notify_ielen;
s32 notify_signal;
/* u8 buf[MAX_BSSINFO_LEN]; */
u8 *pbuf;
size_t buf_size = MAX_BSSINFO_LEN;
size_t len, bssinf_len = 0;
struct rtw_ieee80211_hdr *pwlanhdr;
unsigned short *fctrl;
u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct wireless_dev *wdev = padapter->rtw_wdev;
struct wiphy *wiphy = wdev->wiphy;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
pbuf = rtw_zmalloc(buf_size);
if (pbuf == NULL) {
RTW_INFO("%s pbuf allocate failed !!\n", __FUNCTION__);
return bss;
}
/* RTW_INFO("%s\n", __func__); */
bssinf_len = pnetwork->network.IELength + sizeof(struct rtw_ieee80211_hdr_3addr);
if (bssinf_len > buf_size) {
RTW_INFO("%s IE Length too long > %zu byte\n", __FUNCTION__, buf_size);
goto exit;
}
#ifndef CONFIG_WAPI_SUPPORT
{
u16 wapi_len = 0;
if (rtw_get_wapi_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &wapi_len) > 0) {
if (wapi_len > 0) {
RTW_INFO("%s, no support wapi!\n", __FUNCTION__);
goto exit;
}
}
}
#endif /* !CONFIG_WAPI_SUPPORT */
channel = pnetwork->network.Configuration.DSConfig;
freq = rtw_ch2freq(channel);
notify_channel = ieee80211_get_channel(wiphy, freq);
if (0)
notify_timestamp = le64_to_cpu(*(u64 *)rtw_get_timestampe_from_ie(pnetwork->network.IEs));
else
notify_timestamp = rtw_get_systime_us();
notify_interval = le16_to_cpu(*(u16 *)rtw_get_beacon_interval_from_ie(pnetwork->network.IEs));
notify_capability = le16_to_cpu(*(u16 *)rtw_get_capability_from_ie(pnetwork->network.IEs));
notify_ie = pnetwork->network.IEs + _FIXED_IE_LENGTH_;
notify_ielen = pnetwork->network.IELength - _FIXED_IE_LENGTH_;
/* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE &&
is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
notify_signal = 100 * translate_percentage_to_dbm(padapter->recvpriv.signal_strength); /* dbm */
} else {
notify_signal = 100 * translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength); /* dbm */
}
#if 0
RTW_INFO("bssid: "MAC_FMT"\n", MAC_ARG(pnetwork->network.MacAddress));
RTW_INFO("Channel: %d(%d)\n", channel, freq);
RTW_INFO("Capability: %X\n", notify_capability);
RTW_INFO("Beacon interval: %d\n", notify_interval);
RTW_INFO("Signal: %d\n", notify_signal);
RTW_INFO("notify_timestamp: %llu\n", notify_timestamp);
#endif
/* pbuf = buf; */
pwlanhdr = (struct rtw_ieee80211_hdr *)pbuf;
fctrl = &(pwlanhdr->frame_ctl);
*(fctrl) = 0;
SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
/* pmlmeext->mgnt_seq++; */
if (pnetwork->network.Reserved[0] == BSS_TYPE_BCN) { /* WIFI_BEACON */
_rtw_memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
set_frame_sub_type(pbuf, WIFI_BEACON);
} else {
_rtw_memcpy(pwlanhdr->addr1, adapter_mac_addr(padapter), ETH_ALEN);
set_frame_sub_type(pbuf, WIFI_PROBERSP);
}
_rtw_memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);
/* pbuf += sizeof(struct rtw_ieee80211_hdr_3addr); */
len = sizeof(struct rtw_ieee80211_hdr_3addr);
_rtw_memcpy((pbuf + len), pnetwork->network.IEs, pnetwork->network.IELength);
*((u64 *)(pbuf + len)) = cpu_to_le64(notify_timestamp);
len += pnetwork->network.IELength;
#if defined(CONFIG_P2P) && 0
if(rtw_get_p2p_ie(pnetwork->network.IEs+12, pnetwork->network.IELength-12, NULL, NULL))
RTW_INFO("%s, got p2p_ie\n", __func__);
#endif
#if 1
bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)pbuf,
len, notify_signal, GFP_ATOMIC);
#else
bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)pnetwork->network.MacAddress,
notify_timestamp, notify_capability, notify_interval, notify_ie,
notify_ielen, notify_signal, GFP_ATOMIC/*GFP_KERNEL*/);
#endif
if (unlikely(!bss)) {
RTW_INFO(FUNC_ADPT_FMT" bss NULL\n", FUNC_ADPT_ARG(padapter));
goto exit;
}
#if (CFG80211_API_LEVEL < KERNEL_VERSION(2, 6, 38))
#ifndef COMPAT_KERNEL_RELEASE
/* patch for cfg80211, update beacon ies to information_elements */
if (pnetwork->network.Reserved[0] == BSS_TYPE_BCN) { /* WIFI_BEACON */
if (bss->len_information_elements != bss->len_beacon_ies) {
bss->information_elements = bss->beacon_ies;
bss->len_information_elements = bss->len_beacon_ies;
}
}
#endif /* COMPAT_KERNEL_RELEASE */
#endif /* CFG80211_API_LEVEL < KERNEL_VERSION(2, 6, 38) */
#if 0
{
if (bss->information_elements == bss->proberesp_ies) {
if (bss->len_information_elements != bss->len_proberesp_ies)
RTW_INFO("error!, len_information_elements != bss->len_proberesp_ies\n");
} else if (bss->len_information_elements < bss->len_beacon_ies) {
bss->information_elements = bss->beacon_ies;
bss->len_information_elements = bss->len_beacon_ies;
}
}
#endif
#if CFG80211_API_LEVEL >= KERNEL_VERSION(3, 9, 0)
cfg80211_put_bss(wiphy, bss);
#else
cfg80211_put_bss(bss);
#endif
exit:
if (pbuf)
rtw_mfree(pbuf, buf_size);
return bss;
}
/*
Check the given bss is valid by kernel API cfg80211_get_bss()
@padapter : the given adapter
return _TRUE if bss is valid, _FALSE for not found.
*/
int rtw_cfg80211_check_bss(_adapter *padapter)
{
WLAN_BSSID_EX *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct cfg80211_bss *bss = NULL;
struct ieee80211_channel *notify_channel = NULL;
u32 freq;
if (!(pnetwork) || !(padapter->rtw_wdev))
return _FALSE;
freq = rtw_ch2freq(pnetwork->Configuration.DSConfig);
notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
pnetwork->MacAddress, pnetwork->Ssid.Ssid,
pnetwork->Ssid.SsidLength,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
pnetwork->InfrastructureMode == Ndis802_11Infrastructure?IEEE80211_BSS_TYPE_ESS:IEEE80211_BSS_TYPE_IBSS,
IEEE80211_PRIVACY(pnetwork->Privacy));
#else
pnetwork->InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS, pnetwork->InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS);
#endif
#if CFG80211_API_LEVEL >= KERNEL_VERSION(3, 9, 0)
cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
#else
cfg80211_put_bss(bss);
#endif
return bss != NULL;
}
void rtw_cfg80211_ibss_indicate_connect(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wireless_dev *pwdev = padapter->rtw_wdev;
struct cfg80211_bss *bss = NULL;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
struct wiphy *wiphy = pwdev->wiphy;
int freq = 2412;
struct ieee80211_channel *notify_channel;
#endif
RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
freq = rtw_ch2freq(cur_network->network.Configuration.DSConfig);
if (0)
RTW_INFO("chan: %d, freq: %d\n", cur_network->network.Configuration.DSConfig, freq);
#endif
if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
return;
if (!rtw_cfg80211_check_bss(padapter)) {
WLAN_BSSID_EX *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) {
_rtw_memcpy(&cur_network->network, pnetwork, sizeof(WLAN_BSSID_EX));
if (cur_network) {
if (!rtw_cfg80211_inform_bss(padapter, cur_network))
RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
else
RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter));
} else {
RTW_INFO("cur_network is not exist!!!\n");
return ;
}
} else {
if (scanned == NULL)
rtw_warn_on(1);
if (_rtw_memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(NDIS_802_11_SSID)) == _TRUE
&& _rtw_memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS)) == _TRUE
) {
if (!rtw_cfg80211_inform_bss(padapter, scanned))
RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
else {
/* RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
}
} else {
RTW_INFO("scanned & pnetwork compare fail\n");
rtw_warn_on(1);
}
}
if (!rtw_cfg80211_check_bss(padapter))
RTW_PRINT(FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
}
/* notify cfg80211 that device joined an IBSS */
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(3, 15, 0))
notify_channel = ieee80211_get_channel(wiphy, freq);
cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, notify_channel, GFP_ATOMIC);
#else
cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, GFP_ATOMIC);
#endif
}
void rtw_cfg80211_indicate_connect(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wireless_dev *pwdev = padapter->rtw_wdev;
struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
_irqL irqL;
#ifdef CONFIG_P2P
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
#endif
struct cfg80211_bss *bss = NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
struct cfg80211_roam_info roam_info ={};
#endif
RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
if (pwdev->iftype != NL80211_IFTYPE_STATION
#if (CFG80211_API_LEVEL >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
#endif
)
return;
if (!MLME_IS_STA(padapter))
return;
#ifdef CONFIG_P2P
if (pwdinfo->driver_interface == DRIVER_CFG80211) {
#if !RTW_P2P_GROUP_INTERFACE
if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
rtw_p2p_set_pre_state(pwdinfo, rtw_p2p_state(pwdinfo));
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
RTW_INFO("%s, role=%d, p2p_state=%d, pre_p2p_state=%d\n", __func__, rtw_p2p_role(pwdinfo), rtw_p2p_state(pwdinfo), rtw_p2p_pre_state(pwdinfo));
}
#endif
}
#endif /* CONFIG_P2P */
if (check_fwstate(pmlmepriv, WIFI_MONITOR_STATE) != _TRUE) {
WLAN_BSSID_EX *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
/* RTW_INFO(FUNC_ADPT_FMT" BSS not found\n", FUNC_ADPT_ARG(padapter)); */
if (scanned == NULL) {
rtw_warn_on(1);
goto check_bss;
}
if (_rtw_memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS)) == _TRUE
&& _rtw_memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(NDIS_802_11_SSID)) == _TRUE
) {
if (!rtw_cfg80211_inform_bss(padapter, scanned))
RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
else {
/* RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
}
} else {
RTW_INFO("scanned: %s("MAC_FMT"), cur: %s("MAC_FMT")\n",
scanned->network.Ssid.Ssid, MAC_ARG(scanned->network.MacAddress),
pnetwork->Ssid.Ssid, MAC_ARG(pnetwork->MacAddress)
);
rtw_warn_on(1);
}
}
check_bss:
if (!rtw_cfg80211_check_bss(padapter))
RTW_PRINT(FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
_enter_critical_bh(&pwdev_priv->connect_req_lock, &irqL);
if (rtw_to_roam(padapter) > 0) {
#if CFG80211_API_LEVEL > KERNEL_VERSION(2, 6, 39) || defined(COMPAT_KERNEL_RELEASE)
struct wiphy *wiphy = pwdev->wiphy;
struct ieee80211_channel *notify_channel;
u32 freq;
u16 channel = cur_network->network.Configuration.DSConfig;
freq = rtw_ch2freq(channel);
notify_channel = ieee80211_get_channel(wiphy, freq);
#endif