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Commit d6846af6 authored by Larry Finger's avatar Larry Finger Committed by Greg Kroah-Hartman
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staging: r8188eu: Add files for new driver - part 7 

This commit adds core/rtw_wlan_util.c and core/rtw_xmit.c
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b509caf
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drivers/staging/rtl8188eu/core/rtw_wlan_util.c 0 → 100644
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/******************************************************************************
*
* Copyright(c) 2007 - 2012 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
*
*
******************************************************************************/
#define _RTW_WLAN_UTIL_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
#define R2T_PHY_DELAY (0)
/* define WAIT_FOR_BCN_TO_M (3000) */
#define WAIT_FOR_BCN_TO_MIN (6000)
#define WAIT_FOR_BCN_TO_MAX (20000)
static u8 rtw_basic_rate_cck[4] = {
IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
};
static u8 rtw_basic_rate_ofdm[3] = {
IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
};
static u8 rtw_basic_rate_mix[7] = {
IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
};
int cckrates_included(unsigned char *rate, int ratelen)
{
int i;
for (i = 0; i < ratelen; i++) {
if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
(((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
return true;
}
return false;
}
int cckratesonly_included(unsigned char *rate, int ratelen)
{
int i;
for (i = 0; i < ratelen; i++) {
if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
(((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
return false;
}
return true;
}
unsigned char networktype_to_raid(unsigned char network_type)
{
unsigned char raid;
switch (network_type) {
case WIRELESS_11B:
raid = RATR_INX_WIRELESS_B;
break;
case WIRELESS_11A:
case WIRELESS_11G:
raid = RATR_INX_WIRELESS_G;
break;
case WIRELESS_11BG:
raid = RATR_INX_WIRELESS_GB;
break;
case WIRELESS_11_24N:
case WIRELESS_11_5N:
raid = RATR_INX_WIRELESS_N;
break;
case WIRELESS_11A_5N:
case WIRELESS_11G_24N:
raid = RATR_INX_WIRELESS_NG;
break;
case WIRELESS_11BG_24N:
raid = RATR_INX_WIRELESS_NGB;
break;
default:
raid = RATR_INX_WIRELESS_GB;
break;
}
return raid;
}
u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
{
u8 network_type = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeext->cur_channel > 14) {
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_5N;
network_type |= WIRELESS_11A;
} else {
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_24N;
if ((cckratesonly_included(rate, ratelen)) == true)
network_type |= WIRELESS_11B;
else if ((cckrates_included(rate, ratelen)) == true)
network_type |= WIRELESS_11BG;
else
network_type |= WIRELESS_11G;
}
return network_type;
}
static unsigned char ratetbl_val_2wifirate(unsigned char rate)
{
unsigned char val = 0;
switch (rate & 0x7f) {
case 0:
val = IEEE80211_CCK_RATE_1MB;
break;
case 1:
val = IEEE80211_CCK_RATE_2MB;
break;
case 2:
val = IEEE80211_CCK_RATE_5MB;
break;
case 3:
val = IEEE80211_CCK_RATE_11MB;
break;
case 4:
val = IEEE80211_OFDM_RATE_6MB;
break;
case 5:
val = IEEE80211_OFDM_RATE_9MB;
break;
case 6:
val = IEEE80211_OFDM_RATE_12MB;
break;
case 7:
val = IEEE80211_OFDM_RATE_18MB;
break;
case 8:
val = IEEE80211_OFDM_RATE_24MB;
break;
case 9:
val = IEEE80211_OFDM_RATE_36MB;
break;
case 10:
val = IEEE80211_OFDM_RATE_48MB;
break;
case 11:
val = IEEE80211_OFDM_RATE_54MB;
break;
}
return val;
}
static int is_basicrate(struct adapter *padapter, unsigned char rate)
{
int i;
unsigned char val;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
for (i = 0; i < NumRates; i++) {
val = pmlmeext->basicrate[i];
if ((val != 0xff) && (val != 0xfe)) {
if (rate == ratetbl_val_2wifirate(val))
return true;
}
}
return false;
}
static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
{
int i;
unsigned char rate;
unsigned int len = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
for (i = 0; i < NumRates; i++) {
rate = pmlmeext->datarate[i];
switch (rate) {
case 0xff:
return len;
case 0xfe:
continue;
default:
rate = ratetbl_val_2wifirate(rate);
if (is_basicrate(padapter, rate) == true)
rate |= IEEE80211_BASIC_RATE_MASK;
rateset[len] = rate;
len++;
break;
}
}
return len;
}
void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
{
unsigned char supportedrates[NumRates];
_rtw_memset(supportedrates, 0, NumRates);
*bssrate_len = ratetbl2rateset(padapter, supportedrates);
memcpy(pbssrate, supportedrates, *bssrate_len);
}
void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
{
u8 i;
u8 rate;
/* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
rate = mbrate[i] & 0x7f;
switch (rate) {
case IEEE80211_CCK_RATE_1MB:
case IEEE80211_CCK_RATE_2MB:
case IEEE80211_CCK_RATE_5MB:
case IEEE80211_CCK_RATE_11MB:
case IEEE80211_OFDM_RATE_6MB:
case IEEE80211_OFDM_RATE_12MB:
case IEEE80211_OFDM_RATE_24MB:
mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
break;
}
}
}
void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
{
u8 i;
u8 rate;
for (i = 0; i < bssratelen; i++) {
rate = bssrateset[i] & 0x7f;
switch (rate) {
case IEEE80211_CCK_RATE_1MB:
case IEEE80211_CCK_RATE_2MB:
case IEEE80211_CCK_RATE_5MB:
case IEEE80211_CCK_RATE_11MB:
bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
break;
}
}
}
void Save_DM_Func_Flag(struct adapter *padapter)
{
u8 saveflag = true;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
}
void Restore_DM_Func_Flag(struct adapter *padapter)
{
u8 saveflag = false;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
}
void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
{
if (enable)
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
else
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
}
static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
{
rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
}
void Set_MSR(struct adapter *padapter, u8 type)
{
Set_NETYPE0_MSR(padapter, type);
}
inline u8 rtw_get_oper_ch(struct adapter *adapter)
{
return adapter->mlmeextpriv.oper_channel;
}
inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
{
adapter->mlmeextpriv.oper_channel = ch;
}
inline u8 rtw_get_oper_bw(struct adapter *adapter)
{
return adapter->mlmeextpriv.oper_bwmode;
}
inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
{
adapter->mlmeextpriv.oper_bwmode = bw;
}
inline u8 rtw_get_oper_choffset(struct adapter *adapter)
{
return adapter->mlmeextpriv.oper_ch_offset;
}
inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
{
adapter->mlmeextpriv.oper_ch_offset = offset;
}
void SelectChannel(struct adapter *padapter, unsigned char channel)
{
/* saved channel info */
rtw_set_oper_ch(padapter, channel);
rtw_hal_set_chan(padapter, channel);
}
void SetBWMode(struct adapter *padapter, unsigned short bwmode,
unsigned char channel_offset)
{
/* saved bw info */
rtw_set_oper_bw(padapter, bwmode);
rtw_set_oper_choffset(padapter, channel_offset);
rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
}
void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
{
u8 center_ch;
if (padapter->bNotifyChannelChange)
DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
if ((bwmode == HT_CHANNEL_WIDTH_20) ||
(channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
/* SelectChannel(padapter, channel); */
center_ch = channel;
} else {
/* switch to the proper channel */
if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
/* SelectChannel(padapter, channel + 2); */
center_ch = channel + 2;
} else {
/* SelectChannel(padapter, channel - 2); */
center_ch = channel - 2;
}
}
/* set Channel */
/* saved channel/bw info */
rtw_set_oper_ch(padapter, channel);
rtw_set_oper_bw(padapter, bwmode);
rtw_set_oper_choffset(padapter, channel_offset);
rtw_hal_set_chan(padapter, center_ch); /* set center channel */
SetBWMode(padapter, bwmode, channel_offset);
}
int get_bsstype(unsigned short capability)
{
if (capability & BIT(0))
return WIFI_FW_AP_STATE;
else if (capability & BIT(1))
return WIFI_FW_ADHOC_STATE;
else
return 0;
}
__inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
{
return pnetwork->MacAddress;
}
u16 get_beacon_interval(struct wlan_bssid_ex *bss)
{
__le16 val;
memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
return le16_to_cpu(val);
}
int is_client_associated_to_ap(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext;
struct mlme_ext_info *pmlmeinfo;
if (!padapter)
return _FAIL;
pmlmeext = &padapter->mlmeextpriv;
pmlmeinfo = &(pmlmeext->mlmext_info);
if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
return true;
else
return _FAIL;
}
int is_client_associated_to_ibss(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
return true;
else
return _FAIL;
}
int is_IBSS_empty(struct adapter *padapter)
{
unsigned int i;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
if (pmlmeinfo->FW_sta_info[i].status == 1)
return _FAIL;
}
return true;
}
unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
{
if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
return WAIT_FOR_BCN_TO_MIN;
else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
return WAIT_FOR_BCN_TO_MAX;
else
return bcn_interval << 2;
}
void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
{
rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
}
void invalidate_cam_all(struct adapter *padapter)
{
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
}
void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
{
unsigned int i, val, addr;
int j;
u32 cam_val[2];
addr = entry << 3;
for (j = 5; j >= 0; j--) {
switch (j) {
case 0:
val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
break;
case 1:
val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
break;
default:
i = (j - 2) << 2;
val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
break;
}
cam_val[0] = val;
cam_val[1] = addr + (unsigned int)j;
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
}
}
void clear_cam_entry(struct adapter *padapter, u8 entry)
{
unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
write_cam(padapter, entry, 0, null_sta, null_key);
}
int allocate_fw_sta_entry(struct adapter *padapter)
{
unsigned int mac_id;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
pmlmeinfo->FW_sta_info[mac_id].status = 1;
pmlmeinfo->FW_sta_info[mac_id].retry = 0;
break;
}
}
return mac_id;
}
void flush_all_cam_entry(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
_rtw_memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
}
int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
/* struct registry_priv *pregpriv = &padapter->registrypriv; */
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmepriv->qospriv.qos_option == 0) {
pmlmeinfo->WMM_enable = 0;
return _FAIL;
}
pmlmeinfo->WMM_enable = 1;
memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
return true;
}
void WMMOnAssocRsp(struct adapter *padapter)
{
u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
u8 acm_mask;
u16 TXOP;
u32 acParm, i;
u32 edca[4], inx[4];
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct registry_priv *pregpriv = &padapter->registrypriv;
if (pmlmeinfo->WMM_enable == 0) {
padapter->mlmepriv.acm_mask = 0;
return;
}
acm_mask = 0;
if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
aSifsTime = 10;
else
aSifsTime = 16;
for (i = 0; i < 4; i++) {
ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
switch (ACI) {
case 0x0:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(1) : 0);
edca[XMIT_BE_QUEUE] = acParm;
break;
case 0x1:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
edca[XMIT_BK_QUEUE] = acParm;
break;
case 0x2:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(2) : 0);
edca[XMIT_VI_QUEUE] = acParm;
break;
case 0x3:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(3) : 0);
edca[XMIT_VO_QUEUE] = acParm;
break;
}
DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
}
if (padapter->registrypriv.acm_method == 1)
rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
else
padapter->mlmepriv.acm_mask = acm_mask;
inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
if (pregpriv->wifi_spec == 1) {
u32 j, tmp, change_inx;
/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
for (i = 0; i < 4; i++) {
for (j = i+1; j < 4; j++) {
/* compare CW and AIFS */
if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
change_inx = true;
} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
/* compare TXOP */
if ((edca[j] >> 16) > (edca[i] >> 16))
change_inx = true;
}
if (change_inx) {
tmp = edca[i];
edca[i] = edca[j];
edca[j] = tmp;
tmp = inx[i];
inx[i] = inx[j];
inx[j] = tmp;
change_inx = false;
}
}
}
}
for (i = 0; i < 4; i++) {
pxmitpriv->wmm_para_seq[i] = inx[i];
DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
}
return;
}
static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
unsigned char new_bwmode;
unsigned char new_ch_offset;
struct HT_info_element *pHT_info;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (!pIE)
return;
if (!phtpriv)
return;
if (pIE->Length > sizeof(struct HT_info_element))
return;
pHT_info = (struct HT_info_element *)pIE->data;
if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
new_bwmode = HT_CHANNEL_WIDTH_40;
switch (pHT_info->infos[0] & 0x3) {
case 1:
new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case 3:
new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
} else {
new_bwmode = HT_CHANNEL_WIDTH_20;
new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
if ((new_bwmode != pmlmeext->cur_bwmode) ||
(new_ch_offset != pmlmeext->cur_ch_offset)) {
pmlmeinfo->bwmode_updated = true;
pmlmeext->cur_bwmode = new_bwmode;
pmlmeext->cur_ch_offset = new_ch_offset;
/* update HT info also */
HT_info_handler(padapter, pIE);
} else {
pmlmeinfo->bwmode_updated = false;
}
if (pmlmeinfo->bwmode_updated) {
struct sta_info *psta;
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
struct sta_priv *pstapriv = &padapter->stapriv;
/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
/* update ap's stainfo */
psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
if (psta) {
struct ht_priv *phtpriv_sta = &psta->htpriv;
if (phtpriv_sta->ht_option) {
/* bwmode */
phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
} else {
phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
}
}
}
void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
unsigned int i;
u8 rf_type;
u8 max_AMPDU_len, min_MPDU_spacing;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (pIE == NULL)
return;
if (!phtpriv->ht_option)
return;
pmlmeinfo->HT_caps_enable = 1;
for (i = 0; i < (pIE->Length); i++) {
if (i != 2) {
/* Got the endian issue here. */
pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
} else {
/* modify from fw by Thomas 2010/11/17 */
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
max_AMPDU_len = (pIE->data[i] & 0x3);
else
max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
else
min_MPDU_spacing = (pIE->data[i] & 0x1c);
pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
}
}
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
/* update the MCS rates */
for (i = 0; i < 16; i++) {
if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
else
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
}
return;
}
void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (pIE == NULL)
return;
if (!phtpriv->ht_option)
return;
if (pIE->Length > sizeof(struct HT_info_element))
return;
pmlmeinfo->HT_info_enable = 1;
memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
return;
}
void HTOnAssocRsp(struct adapter *padapter)
{
unsigned char max_AMPDU_len;
unsigned char min_MPDU_spacing;
/* struct registry_priv *pregpriv = &padapter->registrypriv; */
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
DBG_88E("%s\n", __func__);
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
pmlmeinfo->HT_enable = 1;
} else {
pmlmeinfo->HT_enable = 0;
return;
}
/* handle A-MPDU parameter field */
/*
AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
AMPDU_para [4:2]:Min MPDU Start Spacing
*/
max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
}
void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pIE->Length > 1)
return;
pmlmeinfo->ERP_enable = 1;
memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
}
void VCS_update(struct adapter *padapter, struct sta_info *psta)
{
struct registry_priv *pregpriv = &padapter->registrypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
case 0: /* off */
psta->rtsen = 0;
psta->cts2self = 0;
break;
case 1: /* on */
if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
psta->rtsen = 1;
psta->cts2self = 0;
} else {
psta->rtsen = 0;
psta->cts2self = 1;
}
break;
case 2: /* auto */
default:
if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
if (pregpriv->vcs_type == 1) {
psta->rtsen = 1;
psta->cts2self = 0;
} else {
psta->rtsen = 0;
psta->cts2self = 1;
}
} else {
psta->rtsen = 0;
psta->cts2self = 0;
}
break;
}
}
int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
{
unsigned int len;
unsigned char *p;
unsigned short val16, subtype;
struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
/* u8 wpa_ie[255], rsn_ie[255]; */
u16 wpa_len = 0, rsn_len = 0;
u8 encryp_protocol = 0;
struct wlan_bssid_ex *bssid;
int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
unsigned char *pbuf;
u32 wpa_ielen = 0;
u8 *pbssid = GetAddr3Ptr(pframe);
u32 hidden_ssid = 0;
struct HT_info_element *pht_info = NULL;
struct rtw_ieee80211_ht_cap *pht_cap = NULL;
u32 bcn_channel;
unsigned short ht_cap_info;
unsigned char ht_info_infos_0;
if (is_client_associated_to_ap(Adapter) == false)
return true;
len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
if (len > MAX_IE_SZ) {
DBG_88E("%s IE too long for survey event\n", __func__);
return _FAIL;
}
if (_rtw_memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
(pbssid), (cur_network->network.MacAddress));
return true;
}
bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
subtype = GetFrameSubType(pframe) >> 4;
if (subtype == WIFI_BEACON)
bssid->Reserved[0] = 1;
bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
/* below is to copy the information element */
bssid->IELength = len;
memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
/* check bw and channel offset */
/* parsing HT_CAP_IE */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p && len > 0) {
pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
ht_cap_info = pht_cap->cap_info;
} else {
ht_cap_info = 0;
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p && len > 0) {
pht_info = (struct HT_info_element *)(p + 2);
ht_info_infos_0 = pht_info->infos[0];
} else {
ht_info_infos_0 = 0;
}
if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
ht_cap_info, ht_info_infos_0);
DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
DBG_88E("%s bw mode change, disconnect\n", __func__);
/* bcn_info_update */
cur_network->BcnInfo.ht_cap_info = ht_cap_info;
cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
/* to do : need to check that whether modify related register of BB or not */
/* goto _mismatch; */
}
/* Checking for channel */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p) {
bcn_channel = *(p + 2);
} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (pht_info) {
bcn_channel = pht_info->primary_channel;
} else { /* we don't find channel IE, so don't check it */
DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
bcn_channel = Adapter->mlmeextpriv.cur_channel;
}
}
if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
bcn_channel, Adapter->mlmeextpriv.cur_channel);
goto _mismatch;
}
/* checking SSID */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p == NULL) {
DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
hidden_ssid = true;
} else {
hidden_ssid = false;
}
if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
bssid->Ssid.SsidLength = *(p + 1);
} else {
bssid->Ssid.SsidLength = 0;
bssid->Ssid.Ssid[0] = '\0';
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
"cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
cur_network->network.Ssid.SsidLength));
if (!_rtw_memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
goto _mismatch;
}
}
/* check encryption info */
val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
if (val16 & BIT(4))
bssid->Privacy = 1;
else
bssid->Privacy = 0;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
__func__, cur_network->network.Privacy, bssid->Privacy));
if (cur_network->network.Privacy != bssid->Privacy) {
DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
goto _mismatch;
}
rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
if (rsn_len > 0) {
encryp_protocol = ENCRYP_PROTOCOL_WPA2;
} else if (wpa_len > 0) {
encryp_protocol = ENCRYP_PROTOCOL_WPA;
} else {
if (bssid->Privacy)
encryp_protocol = ENCRYP_PROTOCOL_WEP;
}
if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
goto _mismatch;
}
if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
if (pbuf && (wpa_ielen > 0)) {
if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
pairwise_cipher, group_cipher, is_8021x));
}
} else {
pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
if (pbuf && (wpa_ielen > 0)) {
if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
__func__, pairwise_cipher, group_cipher, is_8021x));
}
}
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
group_cipher, cur_network->BcnInfo.group_cipher);
goto _mismatch;
}
if (is_8021x != cur_network->BcnInfo.is_8021x) {
DBG_88E("%s authentication is not match , return FAIL\n", __func__);
goto _mismatch;
}
}
kfree(bssid);
return _SUCCESS;
_mismatch:
kfree(bssid);
return _FAIL;
_func_exit_;
}
void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
{
unsigned int i;
unsigned int len;
struct ndis_802_11_var_ie *pIE;
len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
for (i = 0; i < len;) {
pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
switch (pIE->ElementID) {
case _HT_EXTRA_INFO_IE_: /* HT info */
/* HT_info_handler(padapter, pIE); */
bwmode_update_check(padapter, pIE);
break;
case _ERPINFO_IE_:
ERP_IE_handler(padapter, pIE);
VCS_update(padapter, psta);
break;
default:
break;
}
i += (pIE->Length + 2);
}
}
unsigned int is_ap_in_tkip(struct adapter *padapter)
{
u32 i;
struct ndis_802_11_var_ie *pIE;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
return true;
break;
case _RSN_IE_2_:
if (_rtw_memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
return true;
default:
break;
}
i += (pIE->Length + 2);
}
return false;
} else {
return false;
}
}
unsigned int should_forbid_n_rate(struct adapter *padapter)
{
u32 i;
struct ndis_802_11_var_ie *pIE;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) &&
((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
(_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
return false;
break;
case _RSN_IE_2_:
if ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
(_rtw_memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
return false;
default:
break;
}
i += (pIE->Length + 2);
}
return true;
} else {
return false;
}
}
unsigned int is_ap_in_wep(struct adapter *padapter)
{
u32 i;
struct ndis_802_11_var_ie *pIE;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4))
return false;
break;
case _RSN_IE_2_:
return false;
default:
break;
}
i += (pIE->Length + 2);
}
return true;
} else {
return false;
}
}
int wifirate2_ratetbl_inx(unsigned char rate)
{
int inx = 0;
rate = rate & 0x7f;
switch (rate) {
case 54*2:
inx = 11;
break;
case 48*2:
inx = 10;
break;
case 36*2:
inx = 9;
break;
case 24*2:
inx = 8;
break;
case 18*2:
inx = 7;
break;
case 12*2:
inx = 6;
break;
case 9*2:
inx = 5;
break;
case 6*2:
inx = 4;
break;
case 11*2:
inx = 3;
break;
case 11:
inx = 2;
break;
case 2*2:
inx = 1;
break;
case 1*2:
inx = 0;
break;
}
return inx;
}
unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
{
unsigned int i, num_of_rate;
unsigned int mask = 0;
num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
for (i = 0; i < num_of_rate; i++) {
if ((*(ptn + i)) & 0x80)
mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
}
return mask;
}
unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
{
unsigned int i, num_of_rate;
unsigned int mask = 0;
num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
for (i = 0; i < num_of_rate; i++)
mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
return mask;
}
unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
{
unsigned int mask = 0;
mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
return mask;
}
int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
{
unsigned char bit_offset;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (!(pmlmeinfo->HT_enable))
return _FAIL;
if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
return _FAIL;
bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
return _SUCCESS;
else
return _FAIL;
}
unsigned char get_highest_rate_idx(u32 mask)
{
int i;
unsigned char rate_idx = 0;
for (i = 27; i >= 0; i--) {
if (mask & BIT(i)) {
rate_idx = i;
break;
}
}
return rate_idx;
}
void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
{
rtw_hal_update_ra_mask(padapter, mac_id, 0);
}
static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
{
Update_RA_Entry(padapter, mac_id);
}
void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
{
/* rate adaptive */
enable_rate_adaptive(padapter, psta->mac_id);
}
/* Update RRSR and Rate for USERATE */
void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
{
unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
/* Added by Albert 2011/03/22 */
/* In the P2P mode, the driver should not support the b mode. */
/* So, the Tx packet shouldn't use the CCK rate */
if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
#endif /* CONFIG_88EU_P2P */
_rtw_memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B)) {
memcpy(supported_rates, rtw_basic_rate_cck, 4);
} else if (wirelessmode & WIRELESS_11B) {
memcpy(supported_rates, rtw_basic_rate_mix, 7);
} else {
memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
}
if (wirelessmode & WIRELESS_11B)
update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
else
update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
}
unsigned char check_assoc_AP(u8 *pframe, uint len)
{
unsigned int i;
struct ndis_802_11_var_ie *pIE;
u8 epigram_vendor_flag;
u8 ralink_vendor_flag;
epigram_vendor_flag = 0;
ralink_vendor_flag = 0;
for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
pIE = (struct ndis_802_11_var_ie *)(pframe + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
(_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
DBG_88E("link to Artheros AP\n");
return HT_IOT_PEER_ATHEROS;
} else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
(_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
(_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) {
DBG_88E("link to Broadcom AP\n");
return HT_IOT_PEER_BROADCOM;
} else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) {
DBG_88E("link to Marvell AP\n");
return HT_IOT_PEER_MARVELL;
} else if (_rtw_memcmp(pIE->data, RALINK_OUI, 3)) {
if (!ralink_vendor_flag) {
ralink_vendor_flag = 1;
} else {
DBG_88E("link to Ralink AP\n");
return HT_IOT_PEER_RALINK;
}
} else if (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) {
DBG_88E("link to Cisco AP\n");
return HT_IOT_PEER_CISCO;
} else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) {
DBG_88E("link to Realtek 96B\n");
return HT_IOT_PEER_REALTEK;
} else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
DBG_88E("link to Airgo Cap\n");
return HT_IOT_PEER_AIRGO;
} else if (_rtw_memcmp(pIE->data, EPIGRAM_OUI, 3)) {
epigram_vendor_flag = 1;
if (ralink_vendor_flag) {
DBG_88E("link to Tenda W311R AP\n");
return HT_IOT_PEER_TENDA;
} else {
DBG_88E("Capture EPIGRAM_OUI\n");
}
} else {
break;
}
default:
break;
}
i += (pIE->Length + 2);
}
if (ralink_vendor_flag && !epigram_vendor_flag) {
DBG_88E("link to Ralink AP\n");
return HT_IOT_PEER_RALINK;
} else if (ralink_vendor_flag && epigram_vendor_flag) {
DBG_88E("link to Tenda W311R AP\n");
return HT_IOT_PEER_TENDA;
} else {
DBG_88E("link to new AP\n");
return HT_IOT_PEER_UNKNOWN;
}
}
void update_IOT_info(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
switch (pmlmeinfo->assoc_AP_vendor) {
case HT_IOT_PEER_MARVELL:
pmlmeinfo->turboMode_cts2self = 1;
pmlmeinfo->turboMode_rtsen = 0;
break;
case HT_IOT_PEER_RALINK:
pmlmeinfo->turboMode_cts2self = 0;
pmlmeinfo->turboMode_rtsen = 1;
/* disable high power */
Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
break;
case HT_IOT_PEER_REALTEK:
/* rtw_write16(padapter, 0x4cc, 0xffff); */
/* rtw_write16(padapter, 0x546, 0x01c0); */
/* disable high power */
Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
break;
default:
pmlmeinfo->turboMode_cts2self = 0;
pmlmeinfo->turboMode_rtsen = 1;
break;
}
}
void update_capinfo(struct adapter *Adapter, u16 updateCap)
{
struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
bool ShortPreamble;
/* Check preamble mode, 2005.01.06, by rcnjko. */
/* Mark to update preamble value forever, 2008.03.18 by lanhsin */
if (updateCap & cShortPreamble) { /* Short Preamble */
if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
ShortPreamble = true;
pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
}
} else { /* Long Preamble */
if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
ShortPreamble = false;
pmlmeinfo->preamble_mode = PREAMBLE_LONG;
rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
}
}
if (updateCap & cIBSS) {
/* Filen: See 802.11-2007 p.91 */
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
} else { /* Filen: See 802.11-2007 p.90 */
if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
if (updateCap & cShortSlotTime) { /* Short Slot Time */
if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
} else { /* Long Slot Time */
if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
}
} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
} else {
/* B Mode */
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
}
}
rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
}
void update_wireless_mode(struct adapter *padapter)
{
int ratelen, network_type = 0;
u32 SIFS_Timer;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
unsigned char *rate = cur_network->SupportedRates;
ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
pmlmeinfo->HT_enable = 1;
if (pmlmeext->cur_channel > 14) {
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_5N;
network_type |= WIRELESS_11A;
} else {
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_24N;
if ((cckratesonly_included(rate, ratelen)) == true)
network_type |= WIRELESS_11B;
else if ((cckrates_included(rate, ratelen)) == true)
network_type |= WIRELESS_11BG;
else
network_type |= WIRELESS_11G;
}
pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
/* change this value if having IOT issues. */
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
else
update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
}
void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
/* Only B, B/G, and B/G/N AP could use CCK rate */
memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
} else {
memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 4);
}
}
int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
{
unsigned int ie_len;
struct ndis_802_11_var_ie *pIE;
int supportRateNum = 0;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
if (pIE == NULL)
return _FAIL;
memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
supportRateNum = ie_len;
pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
if (pIE)
memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
return _SUCCESS;
}
void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
{
struct sta_info *psta;
u16 tid;
u16 param;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_priv *pstapriv = &padapter->stapriv;
struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
psta = rtw_get_stainfo(pstapriv, addr);
if (psta) {
param = le16_to_cpu(preq->BA_para_set);
tid = (param>>2)&0x0f;
preorder_ctrl = &psta->recvreorder_ctrl[tid];
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
}
}
void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
{
u8 *pIE;
__le32 *pbuf;
pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
pbuf = (__le32 *)pIE;
pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
}
void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
{
rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
}
void beacon_timing_control(struct adapter *padapter)
{
rtw_hal_bcn_related_reg_setting(padapter);
}
static struct adapter *pbuddy_padapter;
int rtw_handle_dualmac(struct adapter *adapter, bool init)
{
int status = _SUCCESS;
if (init) {
if (pbuddy_padapter == NULL) {
pbuddy_padapter = adapter;
DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
} else {
adapter->pbuddy_adapter = pbuddy_padapter;
pbuddy_padapter->pbuddy_adapter = adapter;
/* clear global value */
pbuddy_padapter = NULL;
DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
}
} else {
pbuddy_padapter = NULL;
}
return status;
}
drivers/staging/rtl8188eu/core/rtw_xmit.c 0 → 100644
View file @ d6846af6
/******************************************************************************
*
* Copyright(c) 2007 - 2012 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
*
*
******************************************************************************/
#define _RTW_XMIT_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
#include <osdep_intf.h>
#include <ip.h>
#include <usb_ops.h>
#include <usb_osintf.h>
static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
static void _init_txservq(struct tx_servq *ptxservq)
{
_func_enter_;
_rtw_init_listhead(&ptxservq->tx_pending);
_rtw_init_queue(&ptxservq->sta_pending);
ptxservq->qcnt = 0;
_func_exit_;
}
void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
{
_func_enter_;
_rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv));
_rtw_spinlock_init(&psta_xmitpriv->lock);
_init_txservq(&psta_xmitpriv->be_q);
_init_txservq(&psta_xmitpriv->bk_q);
_init_txservq(&psta_xmitpriv->vi_q);
_init_txservq(&psta_xmitpriv->vo_q);
_rtw_init_listhead(&psta_xmitpriv->legacy_dz);
_rtw_init_listhead(&psta_xmitpriv->apsd);
_func_exit_;
}
s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
int res = _SUCCESS;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
_func_enter_;
/* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */
_rtw_spinlock_init(&pxmitpriv->lock);
_rtw_init_sema(&pxmitpriv->xmit_sema, 0);
_rtw_init_sema(&pxmitpriv->terminate_xmitthread_sema, 0);
/*
Please insert all the queue initializaiton using _rtw_init_queue below
*/
pxmitpriv->adapter = padapter;
_rtw_init_queue(&pxmitpriv->be_pending);
_rtw_init_queue(&pxmitpriv->bk_pending);
_rtw_init_queue(&pxmitpriv->vi_pending);
_rtw_init_queue(&pxmitpriv->vo_pending);
_rtw_init_queue(&pxmitpriv->bm_pending);
_rtw_init_queue(&pxmitpriv->free_xmit_queue);
/*
Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
and initialize free_xmit_frame below.
Please also apply free_txobj to link_up all the xmit_frames...
*/
pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
if (pxmitpriv->pallocated_frame_buf == NULL) {
pxmitpriv->pxmit_frame_buf = NULL;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
res = _FAIL;
goto exit;
}
pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4);
/* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
/* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */
pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
for (i = 0; i < NR_XMITFRAME; i++) {
_rtw_init_listhead(&(pxframe->list));
pxframe->padapter = padapter;
pxframe->frame_tag = NULL_FRAMETAG;
pxframe->pkt = NULL;
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
pxframe++;
}
pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
/* init xmit_buf */
_rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
_rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
if (pxmitpriv->pallocated_xmitbuf == NULL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
res = _FAIL;
goto exit;
}
pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4);
/* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
/* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
for (i = 0; i < NR_XMITBUFF; i++) {
_rtw_init_listhead(&pxmitbuf->list);
pxmitbuf->priv_data = NULL;
pxmitbuf->padapter = padapter;
pxmitbuf->ext_tag = false;
/* Tx buf allocation may fail sometimes, so sleep and retry. */
res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
if (res == _FAIL) {
rtw_msleep_os(10);
res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
if (res == _FAIL) {
goto exit;
}
}
pxmitbuf->flags = XMIT_VO_QUEUE;
rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
pxmitbuf++;
}
pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
/* Init xmit extension buff */
_rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
res = _FAIL;
goto exit;
}
pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4);
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
for (i = 0; i < num_xmit_extbuf; i++) {
_rtw_init_listhead(&pxmitbuf->list);
pxmitbuf->priv_data = NULL;
pxmitbuf->padapter = padapter;
pxmitbuf->ext_tag = true;
res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
if (res == _FAIL) {
res = _FAIL;
goto exit;
}
rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
pxmitbuf++;
}
pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
rtw_alloc_hwxmits(padapter);
rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
for (i = 0; i < 4; i++)
pxmitpriv->wmm_para_seq[i] = i;
pxmitpriv->txirp_cnt = 1;
_rtw_init_sema(&(pxmitpriv->tx_retevt), 0);
/* per AC pending irp */
pxmitpriv->beq_cnt = 0;
pxmitpriv->bkq_cnt = 0;
pxmitpriv->viq_cnt = 0;
pxmitpriv->voq_cnt = 0;
pxmitpriv->ack_tx = false;
_rtw_mutex_init(&pxmitpriv->ack_tx_mutex);
rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
rtw_hal_init_xmit_priv(padapter);
exit:
_func_exit_;
return res;
}
static void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv)
{
_rtw_spinlock_free(&pxmitpriv->lock);
_rtw_free_sema(&pxmitpriv->xmit_sema);
_rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema);
_rtw_spinlock_free(&pxmitpriv->be_pending.lock);
_rtw_spinlock_free(&pxmitpriv->bk_pending.lock);
_rtw_spinlock_free(&pxmitpriv->vi_pending.lock);
_rtw_spinlock_free(&pxmitpriv->vo_pending.lock);
_rtw_spinlock_free(&pxmitpriv->bm_pending.lock);
_rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock);
_rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock);
_rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock);
}
void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv)
{
int i;
struct adapter *padapter = pxmitpriv->adapter;
struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
_func_enter_;
rtw_hal_free_xmit_priv(padapter);
rtw_mfree_xmit_priv_lock(pxmitpriv);
if (pxmitpriv->pxmit_frame_buf == NULL)
goto out;
for (i = 0; i < NR_XMITFRAME; i++) {
rtw_os_xmit_complete(padapter, pxmitframe);
pxmitframe++;
}
for (i = 0; i < NR_XMITBUFF; i++) {
rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
pxmitbuf++;
}
if (pxmitpriv->pallocated_frame_buf)
rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
if (pxmitpriv->pallocated_xmitbuf)
rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
/* free xmit extension buff */
_rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock);
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
for (i = 0; i < num_xmit_extbuf; i++) {
rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ));
pxmitbuf++;
}
if (pxmitpriv->pallocated_xmit_extbuf) {
rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
}
rtw_free_hwxmits(padapter);
_rtw_mutex_free(&pxmitpriv->ack_tx_mutex);
out:
_func_exit_;
}
static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
u32 sz;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct sta_info *psta = pattrib->psta;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pattrib->nr_frags != 1)
sz = padapter->xmitpriv.frag_len;
else /* no frag */
sz = pattrib->last_txcmdsz;
/* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
/* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
/* Other fragments are protected by previous fragment. */
/* So we only need to check the length of first fragment. */
if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
if (sz > padapter->registrypriv.rts_thresh) {
pattrib->vcs_mode = RTS_CTS;
} else {
if (psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if (psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
else
pattrib->vcs_mode = NONE_VCS;
}
} else {
while (true) {
/* IOT action */
if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
pattrib->vcs_mode = CTS_TO_SELF;
break;
}
/* check ERP protection */
if (psta->rtsen || psta->cts2self) {
if (psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if (psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
break;
}
/* check HT op mode */
if (pattrib->ht_en) {
u8 htopmode = pmlmeinfo->HT_protection;
if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
(!pmlmeext->cur_bwmode && htopmode == 3)) {
pattrib->vcs_mode = RTS_CTS;
break;
}
}
/* check rts */
if (sz > padapter->registrypriv.rts_thresh) {
pattrib->vcs_mode = RTS_CTS;
break;
}
/* to do list: check MIMO power save condition. */
/* check AMPDU aggregation for TXOP */
if (pattrib->ampdu_en) {
pattrib->vcs_mode = RTS_CTS;
break;
}
pattrib->vcs_mode = NONE_VCS;
break;
}
}
}
static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
{
/*if (psta->rtsen)
pattrib->vcs_mode = RTS_CTS;
else if (psta->cts2self)
pattrib->vcs_mode = CTS_TO_SELF;
else
pattrib->vcs_mode = NONE_VCS;*/
pattrib->mdata = 0;
pattrib->eosp = 0;
pattrib->triggered = 0;
/* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
pattrib->qos_en = psta->qos_option;
pattrib->raid = psta->raid;
pattrib->ht_en = psta->htpriv.ht_option;
pattrib->bwmode = psta->htpriv.bwmode;
pattrib->ch_offset = psta->htpriv.ch_offset;
pattrib->sgi = psta->htpriv.sgi;
pattrib->ampdu_en = false;
pattrib->retry_ctrl = false;
}
u8 qos_acm(u8 acm_mask, u8 priority)
{
u8 change_priority = priority;
switch (priority) {
case 0:
case 3:
if (acm_mask & BIT(1))
change_priority = 1;
break;
case 1:
case 2:
break;
case 4:
case 5:
if (acm_mask & BIT(2))
change_priority = 0;
break;
case 6:
case 7:
if (acm_mask & BIT(3))
change_priority = 5;
break;
default:
DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
break;
}
return change_priority;
}
static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
{
struct ethhdr etherhdr;
struct iphdr ip_hdr;
s32 user_prio = 0;
_rtw_open_pktfile(ppktfile->pkt, ppktfile);
_rtw_pktfile_read(ppktfile, (unsigned char *)&etherhdr, ETH_HLEN);
/* get user_prio from IP hdr */
if (pattrib->ether_type == 0x0800) {
_rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
/* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
user_prio = ip_hdr.tos >> 5;
} else if (pattrib->ether_type == 0x888e) {
/* "When priority processing of data frames is supported, */
/* a STA's SME should send EAPOL-Key frames at the highest priority." */
user_prio = 7;
}
pattrib->priority = user_prio;
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
pattrib->subtype = WIFI_QOS_DATA_TYPE;
}
static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
{
struct pkt_file pktfile;
struct sta_info *psta = NULL;
struct ethhdr etherhdr;
int bmcast;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
int res = _SUCCESS;
_func_enter_;
_rtw_open_pktfile(pkt, &pktfile);
_rtw_pktfile_read(&pktfile, (u8 *)&etherhdr, ETH_HLEN);
pattrib->ether_type = ntohs(etherhdr.h_proto);
memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
memcpy(pattrib->src, &etherhdr.h_source, ETH_ALEN);
pattrib->pctrl = 0;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
}
pattrib->pktlen = pktfile.pkt_len;
if (ETH_P_IP == pattrib->ether_type) {
/* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
/* to prevent DHCP protocol fail */
u8 tmp[24];
_rtw_pktfile_read(&pktfile, &tmp[0], 24);
pattrib->dhcp_pkt = 0;
if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
if (ETH_P_IP == pattrib->ether_type) {/* IP header */
if (((tmp[21] == 68) && (tmp[23] == 67)) ||
((tmp[21] == 67) && (tmp[23] == 68))) {
/* 68 : UDP BOOTP client */
/* 67 : UDP BOOTP server */
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n"));
/* Use low rate to send DHCP packet. */
pattrib->dhcp_pkt = 1;
}
}
}
} else if (0x888e == pattrib->ether_type) {
DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
}
if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
rtw_set_scan_deny(padapter, 3000);
/* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
bmcast = IS_MCAST(pattrib->ra);
/* get sta_info */
if (bmcast) {
psta = rtw_get_bcmc_stainfo(padapter);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
res = _FAIL;
goto exit;
} else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
res = _FAIL;
goto exit;
}
}
if (psta) {
pattrib->mac_id = psta->mac_id;
/* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
pattrib->psta = psta;
} else {
/* if we cannot get psta => drop the pkt */
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
res = _FAIL;
goto exit;
}
pattrib->ack_policy = 0;
/* get ether_hdr_len */
pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
pattrib->hdrlen = WLAN_HDR_A3_LEN;
pattrib->subtype = WIFI_DATA_TYPE;
pattrib->priority = 0;
if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
if (psta->qos_option)
set_qos(&pktfile, pattrib);
} else {
if (pqospriv->qos_option) {
set_qos(&pktfile, pattrib);
if (pmlmepriv->acm_mask != 0)
pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
}
}
if (psta->ieee8021x_blocked) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
pattrib->encrypt = 0;
if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
res = _FAIL;
goto exit;
}
} else {
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
switch (psecuritypriv->dot11AuthAlgrthm) {
case dot11AuthAlgrthm_Open:
case dot11AuthAlgrthm_Shared:
case dot11AuthAlgrthm_Auto:
pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
break;
case dot11AuthAlgrthm_8021X:
if (bmcast)
pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
else
pattrib->key_idx = 0;
break;
default:
pattrib->key_idx = 0;
break;
}
}
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
pattrib->iv_len = 4;
pattrib->icv_len = 4;
break;
case _TKIP_:
pattrib->iv_len = 8;
pattrib->icv_len = 4;
if (padapter->securitypriv.busetkipkey == _FAIL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
padapter->securitypriv.busetkipkey));
res = _FAIL;
goto exit;
}
break;
case _AES_:
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
pattrib->iv_len = 8;
pattrib->icv_len = 8;
break;
default:
pattrib->iv_len = 0;
pattrib->icv_len = 0;
break;
}
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n",
pattrib->encrypt, padapter->securitypriv.sw_encrypt));
if (pattrib->encrypt &&
(padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) {
pattrib->bswenc = true;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n",
pattrib->encrypt, padapter->securitypriv.sw_encrypt));
} else {
pattrib->bswenc = false;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n"));
}
rtw_set_tx_chksum_offload(pkt, pattrib);
update_attrib_phy_info(pattrib, psta);
exit:
_func_exit_;
return res;
}
static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
int curfragnum, length;
u8 *pframe, *payload, mic[8];
struct mic_data micdata;
struct sta_info *stainfo;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
u8 hw_hdr_offset = 0;
int bmcst = IS_MCAST(pattrib->ra);
if (pattrib->psta)
stainfo = pattrib->psta;
else
stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]);
_func_enter_;
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);;
if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
/* encode mic code */
if (stainfo != NULL) {
u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0};
pframe = pxmitframe->buf_addr + hw_hdr_offset;
if (bmcst) {
if (_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
return _FAIL;
/* start to calculate the mic code */
rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
} else {
if (_rtw_memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16) == true) {
/* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
/* rtw_msleep_os(10); */
return _FAIL;
}
/* start to calculate the mic code */
rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
}
if (pframe[1]&1) { /* ToDS == 1 */
rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */
if (pframe[1]&2) /* From Ds == 1 */
rtw_secmicappend(&micdata, &pframe[24], 6);
else
rtw_secmicappend(&micdata, &pframe[10], 6);
} else { /* ToDS == 0 */
rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */
if (pframe[1]&2) /* From Ds == 1 */
rtw_secmicappend(&micdata, &pframe[16], 6);
else
rtw_secmicappend(&micdata, &pframe[10], 6);
}
if (pattrib->qos_en)
priority[0] = (u8)pxmitframe->attrib.priority;
rtw_secmicappend(&micdata, &priority[0], 4);
payload = pframe;
for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
payload = (u8 *)RND4((size_t)(payload));
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
curfragnum, *payload, *(payload+1),
*(payload+2), *(payload+3),
*(payload+4), *(payload+5),
*(payload+6), *(payload+7)));
payload = payload+pattrib->hdrlen+pattrib->iv_len;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
curfragnum, pattrib->hdrlen, pattrib->iv_len));
if ((curfragnum+1) == pattrib->nr_frags) {
length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
rtw_secmicappend(&micdata, payload, length);
payload = payload+length;
} else {
length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
rtw_secmicappend(&micdata, payload, length);
payload = payload+length+pattrib->icv_len;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
}
}
rtw_secgetmic(&micdata, &(mic[0]));
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz));
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\
mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
/* add mic code and add the mic code length in last_txcmdsz */
memcpy(payload, &(mic[0]), 8);
pattrib->last_txcmdsz += 8;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
payload = payload-pattrib->last_txcmdsz+8;
for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
(" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
*(payload+curfragnum), *(payload+curfragnum+1),
*(payload+curfragnum+2), *(payload+curfragnum+3),
*(payload+curfragnum+4), *(payload+curfragnum+5),
*(payload+curfragnum+6), *(payload+curfragnum+7)));
} else {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
}
}
_func_exit_;
return _SUCCESS;
}
static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
struct pkt_attrib *pattrib = &pxmitframe->attrib;
_func_enter_;
if (pattrib->bswenc) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
break;
case _TKIP_:
rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
break;
case _AES_:
rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
break;
default:
break;
}
} else {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
}
_func_exit_;
return _SUCCESS;
}
s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib)
{
u16 *qc;
struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
u8 qos_option = false;
int res = _SUCCESS;
u16 *fctrl = &pwlanhdr->frame_ctl;
struct sta_info *psta;
int bmcst = IS_MCAST(pattrib->ra);
_func_enter_;
if (pattrib->psta) {
psta = pattrib->psta;
} else {
if (bmcst) {
psta = rtw_get_bcmc_stainfo(padapter);
} else {
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
}
}
_rtw_memset(hdr, 0, WLANHDR_OFFSET);
SetFrameSubType(fctrl, pattrib->subtype);
if (pattrib->subtype & WIFI_DATA_TYPE) {
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
/* to_ds = 1, fr_ds = 0; */
/* Data transfer to AP */
SetToDs(fctrl);
memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
if (pqospriv->qos_option)
qos_option = true;
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
/* to_ds = 0, fr_ds = 1; */
SetFrDs(fctrl);
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
if (psta->qos_option)
qos_option = true;
} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
if (psta->qos_option)
qos_option = true;
} else {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
res = _FAIL;
goto exit;
}
if (pattrib->mdata)
SetMData(fctrl);
if (pattrib->encrypt)
SetPrivacy(fctrl);
if (qos_option) {
qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
if (pattrib->priority)
SetPriority(qc, pattrib->priority);
SetEOSP(qc, pattrib->eosp);
SetAckpolicy(qc, pattrib->ack_policy);
}
/* TODO: fill HT Control Field */
/* Update Seq Num will be handled by f/w */
if (psta) {
psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
SetSeqNum(hdr, pattrib->seqnum);
/* check if enable ampdu */
if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
pattrib->ampdu_en = true;
}
/* re-check if enable ampdu by BA_starting_seqctrl */
if (pattrib->ampdu_en) {
u16 tx_seq;
tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
/* check BA_starting_seqctrl */
if (SN_LESS(pattrib->seqnum, tx_seq)) {
pattrib->ampdu_en = false;/* AGG BK */
} else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
pattrib->ampdu_en = true;/* AGG EN */
} else {
psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
pattrib->ampdu_en = true;/* AGG EN */
}
}
}
}
exit:
_func_exit_;
return res;
}
s32 rtw_txframes_pending(struct adapter *padapter)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->bk_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->vi_pending) == false) ||
(_rtw_queue_empty(&pxmitpriv->vo_pending) == false));
}
s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
{
struct sta_info *psta;
struct tx_servq *ptxservq;
int priority = pattrib->priority;
psta = pattrib->psta;
switch (priority) {
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
break;
}
return ptxservq->qcnt;
}
/*
* Calculate wlan 802.11 packet MAX size from pkt_attrib
* This function doesn't consider fragment case
*/
u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
{
u32 len = 0;
len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
len += SNAP_SIZE + sizeof(u16); /* LLC */
len += pattrib->pktlen;
if (pattrib->encrypt == _TKIP_)
len += 8; /* MIC */
len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
return len;
}
/*
This sub-routine will perform all the following:
1. remove 802.3 header.
2. create wlan_header, based on the info in pxmitframe
3. append sta's iv/ext-iv
4. append LLC
5. move frag chunk from pframe to pxmitframe->mem
6. apply sw-encrypt, if necessary.
*/
s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
{
struct pkt_file pktfile;
s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
size_t addr;
u8 *pframe, *mem_start;
u8 hw_hdr_offset;
struct sta_info *psta;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
u8 *pbuf_start;
s32 bmcst = IS_MCAST(pattrib->ra);
s32 res = _SUCCESS;
_func_enter_;
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if (psta == NULL)
return _FAIL;
if (pxmitframe->buf_addr == NULL) {
DBG_88E("==> %s buf_addr == NULL\n", __func__);
return _FAIL;
}
pbuf_start = pxmitframe->buf_addr;
hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
mem_start = pbuf_start + hw_hdr_offset;
if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
res = _FAIL;
goto exit;
}
_rtw_open_pktfile(pkt, &pktfile);
_rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
frg_inx = 0;
frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
while (1) {
llc_sz = 0;
mpdu_len = frg_len;
pframe = mem_start;
SetMFrag(mem_start);
pframe += pattrib->hdrlen;
mpdu_len -= pattrib->hdrlen;
/* adding icv, if necessary... */
if (pattrib->iv_len) {
if (psta != NULL) {
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
break;
case _TKIP_:
if (bmcst)
TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
else
TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
break;
case _AES_:
if (bmcst)
AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
else
AES_IV(pattrib->iv, psta->dot11txpn, 0);
break;
}
}
memcpy(pframe, pattrib->iv, pattrib->iv_len);
RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
pframe += pattrib->iv_len;
mpdu_len -= pattrib->iv_len;
}
if (frg_inx == 0) {
llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
pframe += llc_sz;
mpdu_len -= llc_sz;
}
if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
mpdu_len -= pattrib->icv_len;
}
if (bmcst) {
/* don't do fragment to broadcat/multicast packets */
mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
} else {
mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
}
pframe += mem_sz;
if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
memcpy(pframe, pattrib->icv, pattrib->icv_len);
pframe += pattrib->icv_len;
}
frg_inx++;
if (bmcst || rtw_endofpktfile(&pktfile)) {
pattrib->nr_frags = frg_inx;
pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
ClearMFrag(mem_start);
break;
} else {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
}
addr = (size_t)(pframe);
mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
}
if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
res = _FAIL;
goto exit;
}
xmitframe_swencrypt(padapter, pxmitframe);
if (!bmcst)
update_attrib_vcs_info(padapter, pxmitframe);
else
pattrib->vcs_mode = NONE_VCS;
exit:
_func_exit_;
return res;
}
/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
* IEEE LLC/SNAP header contains 8 octets
* First 3 octets comprise the LLC portion
* SNAP portion, 5 octets, is divided into two fields:
* Organizationally Unique Identifier(OUI), 3 octets,
* type, defined by that organization, 2 octets.
*/
s32 rtw_put_snap(u8 *data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
u8 *oui;
_func_enter_;
snap = (struct ieee80211_snap_hdr *)data;
snap->dsap = 0xaa;
snap->ssap = 0xaa;
snap->ctrl = 0x03;
if (h_proto == 0x8137 || h_proto == 0x80f3)
oui = P802_1H_OUI;
else
oui = RFC1042_OUI;
snap->oui[0] = oui[0];
snap->oui[1] = oui[1];
snap->oui[2] = oui[2];
*(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
_func_exit_;
return SNAP_SIZE + sizeof(u16);
}
void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
{
uint protection;
u8 *perp;
int erp_len;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
_func_enter_;
switch (pxmitpriv->vcs_setting) {
case DISABLE_VCS:
pxmitpriv->vcs = NONE_VCS;
break;
case ENABLE_VCS:
break;
case AUTO_VCS:
default:
perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
if (perp == NULL) {
pxmitpriv->vcs = NONE_VCS;
} else {
protection = (*(perp + 2)) & BIT(1);
if (protection) {
if (pregistrypriv->vcs_type == RTS_CTS)
pxmitpriv->vcs = RTS_CTS;
else
pxmitpriv->vcs = CTS_TO_SELF;
} else {
pxmitpriv->vcs = NONE_VCS;
}
}
break;
}
_func_exit_;
}
void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
{
struct sta_info *psta = NULL;
struct stainfo_stats *pstats = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
pxmitpriv->tx_bytes += sz;
pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
psta = pxmitframe->attrib.psta;
if (psta) {
pstats = &psta->sta_stats;
pstats->tx_pkts += pxmitframe->agg_num;
pstats->tx_bytes += sz;
}
}
}
struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
{
unsigned long irql;
struct xmit_buf *pxmitbuf = NULL;
struct list_head *plist, *phead;
struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
_func_enter_;
_enter_critical(&pfree_queue->lock, &irql);
if (_rtw_queue_empty(pfree_queue) == true) {
pxmitbuf = NULL;
} else {
phead = get_list_head(pfree_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
rtw_list_delete(&(pxmitbuf->list));
}
if (pxmitbuf != NULL) {
pxmitpriv->free_xmit_extbuf_cnt--;
pxmitbuf->priv_data = NULL;
/* pxmitbuf->ext_tag = true; */
if (pxmitbuf->sctx) {
DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
}
_exit_critical(&pfree_queue->lock, &irql);
_func_exit_;
return pxmitbuf;
}
s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
unsigned long irql;
struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
_func_enter_;
if (pxmitbuf == NULL)
return _FAIL;
_enter_critical(&pfree_queue->lock, &irql);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
pxmitpriv->free_xmit_extbuf_cnt++;
_exit_critical(&pfree_queue->lock, &irql);
_func_exit_;
return _SUCCESS;
}
struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
{
unsigned long irql;
struct xmit_buf *pxmitbuf = NULL;
struct list_head *plist, *phead;
struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
_func_enter_;
/* DBG_88E("+rtw_alloc_xmitbuf\n"); */
_enter_critical(&pfree_xmitbuf_queue->lock, &irql);
if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) {
pxmitbuf = NULL;
} else {
phead = get_list_head(pfree_xmitbuf_queue);
plist = get_next(phead);
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
rtw_list_delete(&(pxmitbuf->list));
}
if (pxmitbuf != NULL) {
pxmitpriv->free_xmitbuf_cnt--;
pxmitbuf->priv_data = NULL;
if (pxmitbuf->sctx) {
DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
}
}
_exit_critical(&pfree_xmitbuf_queue->lock, &irql);
_func_exit_;
return pxmitbuf;
}
s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
unsigned long irql;
struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
_func_enter_;
if (pxmitbuf == NULL)
return _FAIL;
if (pxmitbuf->sctx) {
DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
}
if (pxmitbuf->ext_tag) {
rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
} else {
_enter_critical(&pfree_xmitbuf_queue->lock, &irql);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
pxmitpriv->free_xmitbuf_cnt++;
_exit_critical(&pfree_xmitbuf_queue->lock, &irql);
}
_func_exit_;
return _SUCCESS;
}
/*
Calling context:
1. OS_TXENTRY
2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
If we turn on USE_RXTHREAD, then, no need for critical section.
Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
Must be very very cautious...
*/
struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
{
/*
Please remember to use all the osdep_service api,
and lock/unlock or _enter/_exit critical to protect
pfree_xmit_queue
*/
unsigned long irql;
struct xmit_frame *pxframe = NULL;
struct list_head *plist, *phead;
struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
_func_enter_;
_enter_critical_bh(&pfree_xmit_queue->lock, &irql);
if (_rtw_queue_empty(pfree_xmit_queue) == true) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
pxframe = NULL;
} else {
phead = get_list_head(pfree_xmit_queue);
plist = get_next(phead);
pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
rtw_list_delete(&(pxframe->list));
}
if (pxframe != NULL) { /* default value setting */
pxmitpriv->free_xmitframe_cnt--;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
_rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
/* pxframe->attrib.psta = NULL; */
pxframe->frame_tag = DATA_FRAMETAG;
pxframe->pkt = NULL;
pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
pxframe->agg_num = 1;
pxframe->ack_report = 0;
}
_exit_critical_bh(&pfree_xmit_queue->lock, &irql);
_func_exit_;
return pxframe;
}
s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
{
unsigned long irql;
struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
struct adapter *padapter = pxmitpriv->adapter;
struct sk_buff *pndis_pkt = NULL;
_func_enter_;
if (pxmitframe == NULL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
goto exit;
}
_enter_critical_bh(&pfree_xmit_queue->lock, &irql);
rtw_list_delete(&pxmitframe->list);
if (pxmitframe->pkt) {
pndis_pkt = pxmitframe->pkt;
pxmitframe->pkt = NULL;
}
rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
pxmitpriv->free_xmitframe_cnt++;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
_exit_critical_bh(&pfree_xmit_queue->lock, &irql);
if (pndis_pkt)
rtw_os_pkt_complete(padapter, pndis_pkt);
exit:
_func_exit_;
return _SUCCESS;
}
void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
{
unsigned long irql;
struct list_head *plist, *phead;
struct xmit_frame *pxmitframe;
_func_enter_;
_enter_critical_bh(&(pframequeue->lock), &irql);
phead = get_list_head(pframequeue);
plist = get_next(phead);
while (!rtw_end_of_queue_search(phead, plist)) {
pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
plist = get_next(plist);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
_exit_critical_bh(&(pframequeue->lock), &irql);
_func_exit_;
}
s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
/* pxmitframe->pkt = NULL; */
return _FAIL;
}
return _SUCCESS;
}
static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
{
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
xmitframe_phead = get_list_head(pframe_queue);
xmitframe_plist = get_next(xmitframe_phead);
while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
rtw_list_delete(&pxmitframe->list);
ptxservq->qcnt--;
break;
pxmitframe = NULL;
}
return pxmitframe;
}
struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
{
unsigned long irql0;
struct list_head *sta_plist, *sta_phead;
struct hw_xmit *phwxmit;
struct tx_servq *ptxservq = NULL;
struct __queue *pframe_queue = NULL;
struct xmit_frame *pxmitframe = NULL;
struct adapter *padapter = pxmitpriv->adapter;
struct registry_priv *pregpriv = &padapter->registrypriv;
int i, inx[4];
_func_enter_;
inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
if (pregpriv->wifi_spec == 1) {
int j;
for (j = 0; j < 4; j++)
inx[j] = pxmitpriv->wmm_para_seq[j];
}
_enter_critical_bh(&pxmitpriv->lock, &irql0);
for (i = 0; i < entry; i++) {
phwxmit = phwxmit_i + inx[i];
sta_phead = get_list_head(phwxmit->sta_queue);
sta_plist = get_next(sta_phead);
while (!rtw_end_of_queue_search(sta_phead, sta_plist)) {
ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending);
pframe_queue = &ptxservq->sta_pending;
pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
if (pxmitframe) {
phwxmit->accnt--;
/* Remove sta node when there are no pending packets. */
if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */
rtw_list_delete(&ptxservq->tx_pending);
goto exit;
}
sta_plist = get_next(sta_plist);
}
}
exit:
_exit_critical_bh(&pxmitpriv->lock, &irql0);
_func_exit_;
return pxmitframe;
}
struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
{
struct tx_servq *ptxservq;
_func_enter_;
switch (up) {
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
*(ac) = 3;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
*(ac) = 1;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
*(ac) = 0;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
*(ac) = 2;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
break;
}
_func_exit_;
return ptxservq;
}
/*
* Will enqueue pxmitframe to the proper queue,
* and indicate it to xx_pending list.....
*/
s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
/* unsigned long irql0; */
u8 ac_index;
struct sta_info *psta;
struct tx_servq *ptxservq;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
int res = _SUCCESS;
_func_enter_;
if (pattrib->psta) {
psta = pattrib->psta;
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
}
if (psta == NULL) {
res = _FAIL;
DBG_88E("rtw_xmit_classifier: psta == NULL\n");
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
goto exit;
}
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
if (rtw_is_list_empty(&ptxservq->tx_pending))
rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
ptxservq->qcnt++;
phwxmits[ac_index].accnt++;
exit:
_func_exit_;
return res;
}
void rtw_alloc_hwxmits(struct adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
hwxmits = pxmitpriv->hwxmits;
if (pxmitpriv->hwxmit_entry == 5) {
hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
} else if (pxmitpriv->hwxmit_entry == 4) {
hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
} else {
}
}
void rtw_free_hwxmits(struct adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
hwxmits = pxmitpriv->hwxmits;
kfree(hwxmits);
}
void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
{
int i;
_func_enter_;
for (i = 0; i < entry; i++, phwxmit++)
phwxmit->accnt = 0;
_func_exit_;
}
static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
{
struct sk_buff *skb = *pskb;
unsigned long irql;
int res, is_vlan_tag = 0, i, do_nat25 = 1;
unsigned short vlan_hdr = 0;
void *br_port = NULL;
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
_enter_critical_bh(&padapter->br_ext_lock, &irql);
if (!(skb->data[0] & 1) && br_port &&
memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
*((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) &&
*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) &&
!memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
padapter->scdb_entry->ageing_timer = jiffies;
_exit_critical_bh(&padapter->br_ext_lock, &irql);
} else {
if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) {
is_vlan_tag = 1;
vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
skb_pull(skb, 4);
}
if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
(*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)))
memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) {
if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) {
padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12);
if (padapter->scdb_entry) {
memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN);
memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
padapter->scdb_entry->ageing_timer = jiffies;
do_nat25 = 0;
}
} else {
if (padapter->scdb_entry) {
padapter->scdb_entry->ageing_timer = jiffies;
do_nat25 = 0;
} else {
memset(padapter->scdb_mac, 0, MACADDRLEN);
memset(padapter->scdb_ip, 0, 4);
}
}
}
_exit_critical_bh(&padapter->br_ext_lock, &irql);
if (do_nat25) {
if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) {
struct sk_buff *newskb;
if (is_vlan_tag) {
skb_push(skb, 4);
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
*((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
*((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
}
newskb = skb_copy(skb, GFP_ATOMIC);
if (newskb == NULL) {
DEBUG_ERR("TX DROP: skb_copy fail!\n");
return -1;
}
dev_kfree_skb_any(skb);
*pskb = skb = newskb;
if (is_vlan_tag) {
vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
skb_pull(skb, 4);
}
}
if (skb_is_nonlinear(skb))
DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__);
res = skb_linearize(skb);
if (res < 0) {
DEBUG_ERR("TX DROP: skb_linearize fail!\n");
return -1;
}
res = nat25_db_handle(padapter, skb, NAT25_INSERT);
if (res < 0) {
if (res == -2) {
DEBUG_ERR("TX DROP: nat25_db_handle fail!\n");
return -1;
}
return 0;
}
}
memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
dhcp_flag_bcast(padapter, skb);
if (is_vlan_tag) {
skb_push(skb, 4);
for (i = 0; i < 6; i++)
*((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
*((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
*((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
}
}
/* check if SA is equal to our MAC */
if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
return -1;
}
return 0;
}
u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
{
u32 addr;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
switch (pattrib->qsel) {
case 0:
case 3:
addr = BE_QUEUE_INX;
break;
case 1:
case 2:
addr = BK_QUEUE_INX;
break;
case 4:
case 5:
addr = VI_QUEUE_INX;
break;
case 6:
case 7:
addr = VO_QUEUE_INX;
break;
case 0x10:
addr = BCN_QUEUE_INX;
break;
case 0x11:/* BC/MC in PS (HIQ) */
addr = HIGH_QUEUE_INX;
break;
case 0x12:
default:
addr = MGT_QUEUE_INX;
break;
}
return addr;
}
static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib)
{
u8 qsel;
qsel = pattrib->priority;
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel));
pattrib->qsel = qsel;
}
/*
* The main transmit(tx) entry
*
* Return
* 1 enqueue
* 0 success, hardware will handle this xmit frame(packet)
* <0 fail
*/
s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
{
#ifdef CONFIG_88EU_AP_MODE
unsigned long irql0;
#endif
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_frame *pxmitframe = NULL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
void *br_port = NULL;
s32 res;
pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
if (pxmitframe == NULL) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
return -1;
}
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) {
res = rtw_br_client_tx(padapter, ppkt);
if (res == -1) {
rtw_free_xmitframe(pxmitpriv, pxmitframe);
return -1;
}
}
res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
if (res == _FAIL) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
rtw_free_xmitframe(pxmitpriv, pxmitframe);
return -1;
}
pxmitframe->pkt = *ppkt;
rtw_led_control(padapter, LED_CTL_TX);
do_queue_select(padapter, &pxmitframe->attrib);
#ifdef CONFIG_88EU_AP_MODE
_enter_critical_bh(&pxmitpriv->lock, &irql0);
if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
_exit_critical_bh(&pxmitpriv->lock, &irql0);
return 1;
}
_exit_critical_bh(&pxmitpriv->lock, &irql0);
#endif
if (rtw_hal_xmit(padapter, pxmitframe) == false)
return 1;
return 0;
}
#if defined(CONFIG_88EU_AP_MODE)
int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
unsigned long irql;
int ret = false;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
int bmcst = IS_MCAST(pattrib->ra);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
return ret;
if (pattrib->psta)
psta = pattrib->psta;
else
psta = rtw_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL)
return ret;
if (pattrib->triggered == 1) {
if (bmcst)
pattrib->qsel = 0x11;/* HIQ */
return ret;
}
if (bmcst) {
_enter_critical_bh(&psta->sleep_q.lock, &irql);
if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */
rtw_list_delete(&pxmitframe->list);
rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
psta->sleepq_len++;
pstapriv->tim_bitmap |= BIT(0);/* */
pstapriv->sta_dz_bitmap |= BIT(0);
update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */
ret = true;
}
_exit_critical_bh(&psta->sleep_q.lock, &irql);
return ret;
}
_enter_critical_bh(&psta->sleep_q.lock, &irql);
if (psta->state&WIFI_SLEEP_STATE) {
u8 wmmps_ac = 0;
if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
rtw_list_delete(&pxmitframe->list);
rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
psta->sleepq_len++;
switch (pattrib->priority) {
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(0);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(0);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(0);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(0);
break;
}
if (wmmps_ac)
psta->sleepq_ac_len++;
if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
((!psta->has_legacy_ac) && (wmmps_ac))) {
pstapriv->tim_bitmap |= BIT(psta->aid);
if (psta->sleepq_len == 1) {
/* upate BCN for TIM IE */
update_beacon(padapter, _TIM_IE_, NULL, false);
}
}
ret = true;
}
}
_exit_critical_bh(&psta->sleep_q.lock, &irql);
return ret;
}
static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
{
struct list_head *plist, *phead;
u8 ac_index;
struct tx_servq *ptxservq;
struct pkt_attrib *pattrib;
struct xmit_frame *pxmitframe;
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
phead = get_list_head(pframequeue);
plist = get_next(phead);
while (!rtw_end_of_queue_search(phead, plist)) {
pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
plist = get_next(plist);
xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
pattrib = &pxmitframe->attrib;
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
ptxservq->qcnt--;
phwxmits[ac_index].accnt--;
}
}
void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
{
unsigned long irql0;
struct sta_info *psta_bmc;
struct sta_xmit_priv *pstaxmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
pstaxmitpriv = &psta->sta_xmitpriv;
/* for BC/MC Frames */
psta_bmc = rtw_get_bcmc_stainfo(padapter);
_enter_critical_bh(&pxmitpriv->lock, &irql0);
psta->state |= WIFI_SLEEP_STATE;
pstapriv->sta_dz_bitmap |= BIT(psta->aid);
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
/* for BC/MC Frames */
pstaxmitpriv = &psta_bmc->sta_xmitpriv;
dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
_exit_critical_bh(&pxmitpriv->lock, &irql0);
}
void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
{
unsigned long irql;
u8 update_mask = 0, wmmps_ac = 0;
struct sta_info *psta_bmc;
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
_enter_critical_bh(&psta->sleep_q.lock, &irql);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
rtw_list_delete(&pxmitframe->list);
switch (pxmitframe->attrib.priority) {
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(1);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(1);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(1);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(1);
break;
}
psta->sleepq_len--;
if (psta->sleepq_len > 0)
pxmitframe->attrib.mdata = 1;
else
pxmitframe->attrib.mdata = 0;
if (wmmps_ac) {
psta->sleepq_ac_len--;
if (psta->sleepq_ac_len > 0) {
pxmitframe->attrib.mdata = 1;
pxmitframe->attrib.eosp = 0;
} else {
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.eosp = 1;
}
}
pxmitframe->attrib.triggered = 1;
_exit_critical_bh(&psta->sleep_q.lock, &irql);
if (rtw_hal_xmit(padapter, pxmitframe))
rtw_os_xmit_complete(padapter, pxmitframe);
_enter_critical_bh(&psta->sleep_q.lock, &irql);
}
if (psta->sleepq_len == 0) {
pstapriv->tim_bitmap &= ~BIT(psta->aid);
update_mask = BIT(0);
if (psta->state&WIFI_SLEEP_STATE)
psta->state ^= WIFI_SLEEP_STATE;
if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
psta->expire_to = pstapriv->expire_to;
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
}
pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
}
_exit_critical_bh(&psta->sleep_q.lock, &irql);
/* for BC/MC Frames */
psta_bmc = rtw_get_bcmc_stainfo(padapter);
if (!psta_bmc)
return;
if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
_enter_critical_bh(&psta_bmc->sleep_q.lock, &irql);
xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
rtw_list_delete(&pxmitframe->list);
psta_bmc->sleepq_len--;
if (psta_bmc->sleepq_len > 0)
pxmitframe->attrib.mdata = 1;
else
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.triggered = 1;
_exit_critical_bh(&psta_bmc->sleep_q.lock, &irql);
if (rtw_hal_xmit(padapter, pxmitframe))
rtw_os_xmit_complete(padapter, pxmitframe);
_enter_critical_bh(&psta_bmc->sleep_q.lock, &irql);
}
if (psta_bmc->sleepq_len == 0) {
pstapriv->tim_bitmap &= ~BIT(0);
pstapriv->sta_dz_bitmap &= ~BIT(0);
update_mask |= BIT(1);
}
_exit_critical_bh(&psta_bmc->sleep_q.lock, &irql);
}
if (update_mask)
update_beacon(padapter, _TIM_IE_, NULL, false);
}
void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
{
unsigned long irql;
u8 wmmps_ac = 0;
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
_enter_critical_bh(&psta->sleep_q.lock, &irql);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
switch (pxmitframe->attrib.priority) {
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(1);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(1);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(1);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(1);
break;
}
if (!wmmps_ac)
continue;
rtw_list_delete(&pxmitframe->list);
psta->sleepq_len--;
psta->sleepq_ac_len--;
if (psta->sleepq_ac_len > 0) {
pxmitframe->attrib.mdata = 1;
pxmitframe->attrib.eosp = 0;
} else {
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.eosp = 1;
}
pxmitframe->attrib.triggered = 1;
if (rtw_hal_xmit(padapter, pxmitframe) == true)
rtw_os_xmit_complete(padapter, pxmitframe);
if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
pstapriv->tim_bitmap &= ~BIT(psta->aid);
/* upate BCN for TIM IE */
update_beacon(padapter, _TIM_IE_, NULL, false);
}
}
_exit_critical_bh(&psta->sleep_q.lock, &irql);
}
#endif
void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
{
sctx->timeout_ms = timeout_ms;
sctx->submit_time = rtw_get_current_time();
init_completion(&sctx->done);
sctx->status = RTW_SCTX_SUBMITTED;
}
int rtw_sctx_wait(struct submit_ctx *sctx)
{
int ret = _FAIL;
unsigned long expire;
int status = 0;
expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
if (!wait_for_completion_timeout(&sctx->done, expire)) {
/* timeout, do something?? */
status = RTW_SCTX_DONE_TIMEOUT;
DBG_88E("%s timeout\n", __func__);
} else {
status = sctx->status;
}
if (status == RTW_SCTX_DONE_SUCCESS)
ret = _SUCCESS;
return ret;
}
static bool rtw_sctx_chk_waring_status(int status)
{
switch (status) {
case RTW_SCTX_DONE_UNKNOWN:
case RTW_SCTX_DONE_BUF_ALLOC:
case RTW_SCTX_DONE_BUF_FREE:
case RTW_SCTX_DONE_DRV_STOP:
case RTW_SCTX_DONE_DEV_REMOVE:
return true;
default:
return false;
}
}
void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
{
if (*sctx) {
if (rtw_sctx_chk_waring_status(status))
DBG_88E("%s status:%d\n", __func__, status);
(*sctx)->status = status;
complete(&((*sctx)->done));
*sctx = NULL;
}
}
void rtw_sctx_done(struct submit_ctx **sctx)
{
rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
}
int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
{
struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
pack_tx_ops->submit_time = rtw_get_current_time();
pack_tx_ops->timeout_ms = timeout_ms;
pack_tx_ops->status = RTW_SCTX_SUBMITTED;
return rtw_sctx_wait(pack_tx_ops);
}
void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
{
struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
if (pxmitpriv->ack_tx)
rtw_sctx_done_err(&pack_tx_ops, status);
else
DBG_88E("%s ack_tx not set\n", __func__);
}
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