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gfiber / kernel / lockdown / 11371619d9b072287570a47e3cfcb7b1519b4ca6 / . / drivers / staging / rtl8821ae / rtl8821ae / trx.c
blob: 75ae4387fe19ff8f34cb828118dba6bab5cae1a4 [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2009-2010 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* 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
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "trx.h"
#include "led.h"
#include "dm.h"
#include "phy.h"
u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
{
u16 fc = rtl_get_fc(skb);
if (unlikely(ieee80211_is_beacon(fc)))
return QSLT_BEACON;
if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
return QSLT_MGNT;
return skb->priority;
}
/* mac80211's rate_idx is like this:
*
* 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
*
* B/G rate:
* (rx_status->flag & RX_FLAG_HT) = 0,
* DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
*
* N rate:
* (rx_status->flag & RX_FLAG_HT) = 1,
* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
*
* 5G band:rx_status->band == IEEE80211_BAND_5GHZ
* A rate:
* (rx_status->flag & RX_FLAG_HT) = 0,
* DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
*
* N rate:
* (rx_status->flag & RX_FLAG_HT) = 1,
* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
*/
static int _rtl8821ae_rate_mapping(struct ieee80211_hw *hw,
bool isht, u8 desc_rate)
{
int rate_idx;
if (false == isht) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
#else
if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) {
#endif
switch (desc_rate) {
case DESC_RATE1M:
rate_idx = 0;
break;
case DESC_RATE2M:
rate_idx = 1;
break;
case DESC_RATE5_5M:
rate_idx = 2;
break;
case DESC_RATE11M:
rate_idx = 3;
break;
case DESC_RATE6M:
rate_idx = 4;
break;
case DESC_RATE9M:
rate_idx = 5;
break;
case DESC_RATE12M:
rate_idx = 6;
break;
case DESC_RATE18M:
rate_idx = 7;
break;
case DESC_RATE24M:
rate_idx = 8;
break;
case DESC_RATE36M:
rate_idx = 9;
break;
case DESC_RATE48M:
rate_idx = 10;
break;
case DESC_RATE54M:
rate_idx = 11;
break;
default:
rate_idx = 0;
break;
}
} else {
switch (desc_rate) {
case DESC_RATE6M:
rate_idx = 0;
break;
case DESC_RATE9M:
rate_idx = 1;
break;
case DESC_RATE12M:
rate_idx = 2;
break;
case DESC_RATE18M:
rate_idx = 3;
break;
case DESC_RATE24M:
rate_idx = 4;
break;
case DESC_RATE36M:
rate_idx = 5;
break;
case DESC_RATE48M:
rate_idx = 6;
break;
case DESC_RATE54M:
rate_idx = 7;
break;
default:
rate_idx = 0;
break;
}
}
} else {
switch(desc_rate) {
case DESC_RATEMCS0:
rate_idx = 0;
break;
case DESC_RATEMCS1:
rate_idx = 1;
break;
case DESC_RATEMCS2:
rate_idx = 2;
break;
case DESC_RATEMCS3:
rate_idx = 3;
break;
case DESC_RATEMCS4:
rate_idx = 4;
break;
case DESC_RATEMCS5:
rate_idx = 5;
break;
case DESC_RATEMCS6:
rate_idx = 6;
break;
case DESC_RATEMCS7:
rate_idx = 7;
break;
case DESC_RATEMCS8:
rate_idx = 8;
break;
case DESC_RATEMCS9:
rate_idx = 9;
break;
case DESC_RATEMCS10:
rate_idx = 10;
break;
case DESC_RATEMCS11:
rate_idx = 11;
break;
case DESC_RATEMCS12:
rate_idx = 12;
break;
case DESC_RATEMCS13:
rate_idx = 13;
break;
case DESC_RATEMCS14:
rate_idx = 14;
break;
case DESC_RATEMCS15:
rate_idx = 15;
break;
default:
rate_idx = 0;
break;
}
}
return rate_idx;
}
static void _rtl8821ae_query_rxphystatus(struct ieee80211_hw *hw,
struct rtl_stats *pstatus, u8 *pdesc,
struct rx_fwinfo_8821ae *p_drvinfo, bool bpacket_match_bssid,
bool bpacket_toself, bool b_packet_beacon)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct phy_sts_cck_8821ae_t *cck_buf;
struct phy_status_rpt *p_phystRpt = (struct phy_status_rpt *)p_drvinfo;
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
char rx_pwr_all = 0, rx_pwr[4];
u8 rf_rx_num = 0, evm, pwdb_all;
u8 i, max_spatial_stream;
u32 rssi, total_rssi = 0;
bool b_is_cck = pstatus->b_is_cck;
u8 lan_idx,vga_idx;
/* Record it for next packet processing */
pstatus->b_packet_matchbssid = bpacket_match_bssid;
pstatus->b_packet_toself = bpacket_toself;
pstatus->b_packet_beacon = b_packet_beacon;
pstatus->rx_mimo_signalquality[0] = -1;
pstatus->rx_mimo_signalquality[1] = -1;
if (b_is_cck) {
u8 cck_highpwr;
u8 cck_agc_rpt;
/* CCK Driver info Structure is not the same as OFDM packet. */
cck_buf = (struct phy_sts_cck_8821ae_t *)p_drvinfo;
cck_agc_rpt = cck_buf->cck_agc_rpt;
/* (1)Hardware does not provide RSSI for CCK */
/* (2)PWDB, Average PWDB cacluated by
* hardware (for rate adaptive) */
if (ppsc->rfpwr_state == ERFON)
cck_highpwr = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
BIT(9));
else
cck_highpwr = false;
lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
vga_idx = (cck_agc_rpt & 0x1f);
switch (lan_idx) {
case 7:
if(vga_idx <= 27)
rx_pwr_all = -100 + 2*(27-vga_idx); /*VGA_idx = 27~2*/
else
rx_pwr_all = -100;
break;
case 6:
rx_pwr_all = -48 + 2*(2-vga_idx); /*VGA_idx = 2~0*/
break;
case 5:
rx_pwr_all = -42 + 2*(7-vga_idx); /*VGA_idx = 7~5*/
break;
case 4:
rx_pwr_all = -36 + 2*(7-vga_idx); /*VGA_idx = 7~4*/
break;
case 3:
rx_pwr_all = -24 + 2*(7-vga_idx); /*VGA_idx = 7~0*/
break;
case 2:
if(cck_highpwr)
rx_pwr_all = -12 + 2*(5-vga_idx); /*VGA_idx = 5~0*/
else
rx_pwr_all = -6+ 2*(5-vga_idx);
break;
case 1:
rx_pwr_all = 8-2*vga_idx;
break;
case 0:
rx_pwr_all = 14-2*vga_idx;
break;
default:
break;
}
rx_pwr_all += 6;
pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
/* CCK gain is smaller than OFDM/MCS gain, */
/* so we add gain diff by experiences,
* the val is 6 */
pwdb_all += 6;
if(pwdb_all > 100)
pwdb_all = 100;
/* modify the offset to make the same
* gain index with OFDM. */
if(pwdb_all > 34 && pwdb_all <= 42)
pwdb_all -= 2;
else if(pwdb_all > 26 && pwdb_all <= 34)
pwdb_all -= 6;
else if(pwdb_all > 14 && pwdb_all <= 26)
pwdb_all -= 8;
else if(pwdb_all > 4 && pwdb_all <= 14)
pwdb_all -= 4;
if (cck_highpwr == false){
if (pwdb_all >= 80)
pwdb_all =((pwdb_all-80)<<1)+((pwdb_all-80)>>1)+80;
else if((pwdb_all <= 78) && (pwdb_all >= 20))
pwdb_all += 3;
if(pwdb_all>100)
pwdb_all = 100;
}
pstatus->rx_pwdb_all = pwdb_all;
pstatus->recvsignalpower = rx_pwr_all;
/* (3) Get Signal Quality (EVM) */
if (bpacket_match_bssid) {
u8 sq;
if (pstatus->rx_pwdb_all > 40)
sq = 100;
else {
sq = cck_buf->sq_rpt;
if (sq > 64)
sq = 0;
else if (sq < 20)
sq = 100;
else
sq = ((64 - sq) * 100) / 44;
}
pstatus->signalquality = sq;
pstatus->rx_mimo_signalquality[0] = sq;
pstatus->rx_mimo_signalquality[1] = -1;
}
} else {
rtlpriv->dm.brfpath_rxenable[0] =
rtlpriv->dm.brfpath_rxenable[1] = true;
/* (1)Get RSSI for HT rate */
for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
/* we will judge RF RX path now. */
if (rtlpriv->dm.brfpath_rxenable[i])
rf_rx_num++;
rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
/* Translate DBM to percentage. */
rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
total_rssi += rssi;
/* Get Rx snr value in DB */
rtlpriv->stats.rx_snr_db[i] = (long)(p_drvinfo->rxsnr[i] / 2);
/* Record Signal Strength for next packet */
if (bpacket_match_bssid)
pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
}
/* (2)PWDB, Average PWDB cacluated by
* hardware (for rate adaptive) */
rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
pstatus->rx_pwdb_all = pwdb_all;
pstatus->rxpower = rx_pwr_all;
pstatus->recvsignalpower = rx_pwr_all;
/* (3)EVM of HT rate */
if (pstatus->b_is_ht && pstatus->rate >= DESC_RATEMCS8 &&
pstatus->rate <= DESC_RATEMCS15)
max_spatial_stream = 2;
else
max_spatial_stream = 1;
for (i = 0; i < max_spatial_stream; i++) {
evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
if (bpacket_match_bssid) {
/* Fill value in RFD, Get the first
* spatial stream only */
if (i == 0)
pstatus->signalquality = (u8) (evm & 0xff);
pstatus->rx_mimo_signalquality[i] = (u8) (evm & 0xff);
}
}
}
/* UI BSS List signal strength(in percentage),
* make it good looking, from 0~100. */
if (b_is_cck)
pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
pwdb_all));
else if (rf_rx_num != 0)
pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
total_rssi /= rf_rx_num));
/*HW antenna diversity*/
rtldm->fat_table.antsel_rx_keep_0 = p_phystRpt->ant_sel;
rtldm->fat_table.antsel_rx_keep_1 = p_phystRpt->ant_sel_b;
rtldm->fat_table.antsel_rx_keep_2 = p_phystRpt->antsel_rx_keep_2;
}
#if 0
static void _rtl8821ae_smart_antenna(struct ieee80211_hw *hw,
struct rtl_stats *pstatus)
{
struct rtl_dm *rtldm= rtl_dm(rtl_priv(hw));
struct rtl_efuse *rtlefuse =rtl_efuse(rtl_priv(hw));
u8 antsel_tr_mux;
struct fast_ant_trainning *pfat_table = &(rtldm->fat_table);
if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
if (pfat_table->fat_state == FAT_TRAINING_STATE) {
if (pstatus->b_packet_toself) {
antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
(pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
pfat_table->ant_sum_rssi[antsel_tr_mux] += pstatus->rx_pwdb_all;
pfat_table->ant_rssi_cnt[antsel_tr_mux]++;
}
}
} else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
(rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
if (pstatus->b_packet_toself || pstatus->b_packet_matchbssid) {
antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
(pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
rtl8821ae_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, pstatus->rx_pwdb_all);
}
}
}
#endif
static void _rtl8821ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
struct sk_buff *skb, struct rtl_stats *pstatus,
u8 *pdesc, struct rx_fwinfo_8821ae *p_drvinfo)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
struct ieee80211_hdr *hdr;
u8 *tmp_buf;
u8 *praddr;
u8 *psaddr;
u16 fc, type;
bool b_packet_matchbssid, b_packet_toself, b_packet_beacon;
tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
hdr = (struct ieee80211_hdr *)tmp_buf;
fc = le16_to_cpu(hdr->frame_control);
type = WLAN_FC_GET_TYPE(fc);
praddr = hdr->addr1;
psaddr = ieee80211_get_SA(hdr);
memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
b_packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
(!ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
hdr->addr2 : hdr->addr3)) && (!pstatus->b_hwerror) &&
(!pstatus->b_crc) && (!pstatus->b_icv));
b_packet_toself = b_packet_matchbssid &&
(!ether_addr_equal(praddr, rtlefuse->dev_addr));
if (ieee80211_is_beacon(fc))
b_packet_beacon = true;
else
b_packet_beacon = false;
if (b_packet_beacon && b_packet_matchbssid)
rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
_rtl8821ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
b_packet_matchbssid, b_packet_toself,
b_packet_beacon);
/*_rtl8821ae_smart_antenna(hw, pstatus); */
rtl_process_phyinfo(hw, tmp_buf, pstatus);
}
static void _rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
u8 *virtualaddress)
{
u32 dwtmp = 0;
memset(virtualaddress, 0, 8);
SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
if (ptcb_desc->empkt_num == 1)
dwtmp = ptcb_desc->empkt_len[0];
else {
dwtmp = ptcb_desc->empkt_len[0];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += ptcb_desc->empkt_len[1];
}
SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
if (ptcb_desc->empkt_num <= 3)
dwtmp = ptcb_desc->empkt_len[2];
else {
dwtmp = ptcb_desc->empkt_len[2];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += ptcb_desc->empkt_len[3];
}
SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
if (ptcb_desc->empkt_num <= 5)
dwtmp = ptcb_desc->empkt_len[4];
else {
dwtmp = ptcb_desc->empkt_len[4];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += ptcb_desc->empkt_len[5];
}
SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
if (ptcb_desc->empkt_num <= 7)
dwtmp = ptcb_desc->empkt_len[6];
else {
dwtmp = ptcb_desc->empkt_len[6];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += ptcb_desc->empkt_len[7];
}
SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
if (ptcb_desc->empkt_num <= 9)
dwtmp = ptcb_desc->empkt_len[8];
else {
dwtmp = ptcb_desc->empkt_len[8];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += ptcb_desc->empkt_len[9];
}
SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
}
bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
struct rtl_stats *status,
struct ieee80211_rx_status *rx_status,
u8 *pdesc, struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rx_fwinfo_8821ae *p_drvinfo;
struct ieee80211_hdr *hdr;
u32 phystatus = GET_RX_DESC_PHYST(pdesc);
status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
RX_DRV_INFO_SIZE_UNIT;
status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
status->b_icv = (u16) GET_RX_DESC_ICV(pdesc);
status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc);
status->b_hwerror = (status->b_crc | status->b_icv);
status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
status->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
status->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
status->b_isfirst_ampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
status->macid = GET_RX_DESC_MACID(pdesc);
status->b_is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
status->b_is_cck = RX_HAL_IS_CCK_RATE(status->rate);
if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
status->packet_report_type = C2H_PACKET;
else
status->packet_report_type = NORMAL_RX;
if (GET_RX_STATUS_DESC_PATTERN_MATCH(pdesc))
status->wake_match = BIT(2);
else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
status->wake_match = BIT(1);
else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
status->wake_match = BIT(0);
else
status->wake_match = 0;
if (status->wake_match)
RT_TRACE(COMP_RXDESC,DBG_LOUD,
("GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",status->wake_match ));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
#else
rx_status->freq = hw->conf.channel->center_freq;
rx_status->band = hw->conf.channel->band;
#endif
hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
+ status->rx_bufshift);
if (status->b_crc)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (status->rx_is40Mhzpacket)
rx_status->flag |= RX_FLAG_40MHZ;
if (status->b_is_ht)
rx_status->flag |= RX_FLAG_HT;
rx_status->flag |= RX_FLAG_MACTIME_MPDU;
/* hw will set status->decrypted true, if it finds the
* frame is open data frame or mgmt frame. */
/* So hw will not decryption robust managment frame
* for IEEE80211w but still set status->decrypted
* true, so here we should set it back to undecrypted
* for IEEE80211w frame, and mac80211 sw will help
* to decrypt it */
if (status->decrypted) {
if (!hdr) {
WARN_ON_ONCE(true);
pr_err("decrypted is true but hdr NULL, from skb %p\n",
rtl_get_hdr(skb));
return false;
}
if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
(ieee80211_has_protected(hdr->frame_control)))
rx_status->flag &= ~RX_FLAG_DECRYPTED;
else
rx_status->flag |= RX_FLAG_DECRYPTED;
}
/* rate_idx: index of data rate into band's
* supported rates or MCS index if HT rates
* are use (RX_FLAG_HT)*/
/* Notice: this is diff with windows define */
rx_status->rate_idx = _rtl8821ae_rate_mapping(hw,
status->b_is_ht, status->rate);
rx_status->mactime = status->timestamp_low;
if (phystatus == true) {
p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
status->rx_bufshift);
_rtl8821ae_translate_rx_signal_stuff(hw,
skb, status, pdesc,
p_drvinfo);
}
/*rx_status->qual = status->signal; */
rx_status->signal = status->recvsignalpower + 10;
/*rx_status->noise = -status->noise; */
if (status->packet_report_type == TX_REPORT2){
status->macid_valid_entry[0] = GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
status->macid_valid_entry[1] = GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
}
return true;
}
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd,
struct ieee80211_tx_info *info, struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
#else
/*<delete in kernel end>*/
void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
/*<delete in kernel start>*/
#endif
/*<delete in kernel end>*/
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
struct ieee80211_sta *sta = info->control.sta;
#endif
/*<delete in kernel end>*/
u8 *pdesc = (u8 *) pdesc_tx;
u16 seq_number;
u16 fc = le16_to_cpu(hdr->frame_control);
unsigned int buf_len = 0;
unsigned int skb_len = skb->len;
u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);
bool b_firstseg = ((hdr->seq_ctrl &
cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
bool b_lastseg = ((hdr->frame_control &
cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
dma_addr_t mapping;
u8 bw_40 = 0;
u8 short_gi = 0;
if (mac->opmode == NL80211_IFTYPE_STATION) {
bw_40 = mac->bw_40;
} else if (mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC) {
if (sta)
bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
}
seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
/* reserve 8 byte for AMPDU early mode */
if (rtlhal->b_earlymode_enable) {
skb_push(skb, EM_HDR_LEN);
memset(skb->data, 0, EM_HDR_LEN);
}
buf_len = skb->len;
mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
PCI_DMA_TODEVICE);
if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
RT_TRACE(COMP_SEND, DBG_TRACE,
("DMA mapping error"));
return;
}
CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae));
if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
b_firstseg = true;
b_lastseg = true;
}
if (b_firstseg) {
if (rtlhal->b_earlymode_enable) {
SET_TX_DESC_PKT_OFFSET(pdesc, 1);
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
if (ptcb_desc->empkt_num) {
RT_TRACE(COMP_SEND, DBG_TRACE,
("Insert 8 byte.pTcb->EMPktNum:%d\n",
ptcb_desc->empkt_num));
_rtl8821ae_insert_emcontent(ptcb_desc, (u8 *)(skb->data));
}
} else {
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
}
/* ptcb_desc->use_driver_rate = true; */
SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
if (ptcb_desc->hw_rate > DESC_RATEMCS0) {
short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
} else {
short_gi = (ptcb_desc->use_shortpreamble) ? 1 :0;
}
SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
if (info->flags & IEEE80211_TX_CTL_AMPDU) {
SET_TX_DESC_AGG_ENABLE(pdesc, 1);
SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
}
SET_TX_DESC_SEQ(pdesc, seq_number);
SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->b_rts_enable &&
!ptcb_desc->b_cts_enable) ? 1 : 0));
SET_TX_DESC_HW_RTS_ENABLE(pdesc,0);
SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->b_cts_enable) ? 1 : 0));
/* SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->b_rts_stbc) ? 1 : 0));*/
SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
/* SET_TX_DESC_RTS_BW(pdesc, 0);*/
SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
(ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) :
(ptcb_desc->b_rts_use_shortgi ? 1 : 0)));
if(ptcb_desc->btx_enable_sw_calc_duration)
SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
if (bw_40) {
if (ptcb_desc->b_packet_bw) {
SET_TX_DESC_DATA_BW(pdesc, 1);
SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
} else {
SET_TX_DESC_DATA_BW(pdesc, 0);
SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
}
} else {
SET_TX_DESC_DATA_BW(pdesc, 0);
SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
}
SET_TX_DESC_LINIP(pdesc, 0);
SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
if (sta) {
u8 ampdu_density = sta->ht_cap.ampdu_density;
SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
}
if (info->control.hw_key) {
struct ieee80211_key_conf *keyconf = info->control.hw_key;
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*<delete in kernel end>*/
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
case WLAN_CIPHER_SUITE_TKIP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
break;
case WLAN_CIPHER_SUITE_CCMP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
break;
}
/*<delete in kernel start>*/
#else
switch (keyconf->alg) {
case ALG_WEP:
case ALG_TKIP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
break;
case ALG_CCMP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
break;
}
#endif
/*<delete in kernel end>*/
}
SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 1 : 0);
SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
#if 0
SET_TX_DESC_USE_RATE(pdesc, 1);
SET_TX_DESC_TX_RATE(pdesc, 0x04);
SET_TX_DESC_RETRY_LIMIT_ENABLE(pdesc, 1);
SET_TX_DESC_DATA_RETRY_LIMIT(pdesc, 0x3f);
#endif
/*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
/* Set TxRate and RTSRate in TxDesc */
/* This prevent Tx initial rate of new-coming packets */
/* from being overwritten by retried packet rate.*/
if (!ptcb_desc->use_driver_rate) {
/*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
/* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
}
if (ieee80211_is_data_qos(fc)) {
if (mac->rdg_en) {
RT_TRACE(COMP_SEND, DBG_TRACE,
("Enable RDG function.\n"));
SET_TX_DESC_RDG_ENABLE(pdesc, 1);
SET_TX_DESC_HTC(pdesc, 1);
}
}
}
SET_TX_DESC_FIRST_SEG(pdesc, (b_firstseg ? 1 : 0));
SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0));
SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
//if (rtlpriv->dm.b_useramask) {
if(1){
SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
} else {
SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
}
/* if (ieee80211_is_data_qos(fc))
SET_TX_DESC_QOS(pdesc, 1);
*/
if (!ieee80211_is_data_qos(fc)) {
SET_TX_DESC_HWSEQ_EN(pdesc, 1);
SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
}
SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1));
if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
SET_TX_DESC_BMC(pdesc, 1);
}
rtl8821ae_dm_set_tx_ant_by_tx_info(hw,pdesc,ptcb_desc->mac_id);
RT_TRACE(COMP_SEND, DBG_TRACE, ("\n"));
}
void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
u8 *pdesc, bool b_firstseg,
bool b_lastseg, struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u8 fw_queue = QSLT_BEACON;
dma_addr_t mapping = pci_map_single(rtlpci->pdev,
skb->data, skb->len,
PCI_DMA_TODEVICE);
if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
RT_TRACE(COMP_SEND, DBG_TRACE,
("DMA mapping error"));
return;
}
CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
SET_TX_DESC_FIRST_SEG(pdesc, 1);
SET_TX_DESC_LAST_SEG(pdesc, 1);
SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
SET_TX_DESC_USE_RATE(pdesc, 1);
SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
SET_TX_DESC_DISABLE_FB(pdesc, 1);
SET_TX_DESC_DATA_BW(pdesc, 0);
SET_TX_DESC_HWSEQ_EN(pdesc, 1);
SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
/*
if(IsCtrlNDPA(VirtualAddress) || IsMgntNDPA(VirtualAddress))
{
SET_TX_DESC_DATA_RETRY_LIMIT_8812(pDesc, 5);
SET_TX_DESC_RETRY_LIMIT_ENABLE_8812(pDesc, 1);
if(IsMgntNDPA(VirtualAddress))
{
SET_TX_DESC_NDPA_8812(pDesc, 1);
SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
}
else
{
SET_TX_DESC_NDPA_8812(pDesc, 2);
SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
}
}*/
SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
SET_TX_DESC_MACID(pdesc, 0);
SET_TX_DESC_OWN(pdesc, 1);
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
"H2C Tx Cmd Content\n",
pdesc, TX_DESC_SIZE);
}
void rtl8821ae_set_desc(struct ieee80211_hw * hw, u8 *pdesc, bool istx, u8 desc_name, u8 *val)
{
if (istx == true) {
switch (desc_name) {
case HW_DESC_OWN:
SET_TX_DESC_OWN(pdesc, 1);
break;
case HW_DESC_TX_NEXTDESC_ADDR:
SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
break;
default:
RT_ASSERT(false, ("ERR txdesc :%d"
" not process\n", desc_name));
break;
}
} else {
switch (desc_name) {
case HW_DESC_RXOWN:
SET_RX_DESC_OWN(pdesc, 1);
break;
case HW_DESC_RXBUFF_ADDR:
SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
break;
case HW_DESC_RXPKT_LEN:
SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
break;
case HW_DESC_RXERO:
SET_RX_DESC_EOR(pdesc, 1);
break;
default:
RT_ASSERT(false, ("ERR rxdesc :%d "
"not process\n", desc_name));
break;
}
}
}
u32 rtl8821ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
{
u32 ret = 0;
if (istx == true) {
switch (desc_name) {
case HW_DESC_OWN:
ret = GET_TX_DESC_OWN(pdesc);
break;
case HW_DESC_TXBUFF_ADDR:
ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
break;
default:
RT_ASSERT(false, ("ERR txdesc :%d "
"not process\n", desc_name));
break;
}
} else {
switch (desc_name) {
case HW_DESC_OWN:
ret = GET_RX_DESC_OWN(pdesc);
break;
case HW_DESC_RXPKT_LEN:
ret = GET_RX_DESC_PKT_LEN(pdesc);
break;
default:
RT_ASSERT(false, ("ERR rxdesc :%d "
"not process\n", desc_name));
break;
}
}
return ret;
}
bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,
u8 hw_queue, u16 index)
{
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
u8 *entry = (u8 *)(&ring->desc[ring->idx]);
u8 own = (u8) rtl8821ae_get_desc(entry, true, HW_DESC_OWN);
/*
*beacon packet will only use the first
*descriptor defautly,and the own may not
*be cleared by the hardware
*/
if (own)
return false;
else
return true;
}
void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (hw_queue == BEACON_QUEUE) {
rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
} else {
rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
BIT(0) << (hw_queue));
}
}