diff options
Diffstat (limited to 'drivers/staging/rtl8821ae/rtl8821ae/trx.c')
| -rw-r--r-- | drivers/staging/rtl8821ae/rtl8821ae/trx.c | 1050 |
1 files changed, 1050 insertions, 0 deletions
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/trx.c b/drivers/staging/rtl8821ae/rtl8821ae/trx.c new file mode 100644 index 000000000000..75ae4387fe19 --- /dev/null +++ b/drivers/staging/rtl8821ae/rtl8821ae/trx.c @@ -0,0 +1,1050 @@ +/****************************************************************************** + * + * 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)); + } +} |