diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c | 1007 |
1 files changed, 1007 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c new file mode 100644 index 0000000..d7960dd --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c @@ -0,0 +1,1007 @@ +/****************************************************************************** + * + * 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. + * + * 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" +#include "fw.h" + +static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) +{ + __le16 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; +} + +static u16 odm_cfo(s8 value) +{ + int ret_val; + + if (value < 0) { + ret_val = 0 - value; + ret_val = (ret_val << 1) + (ret_val >> 1); + /* set bit12 as 1 for negative cfo */ + ret_val = ret_val | BIT(12); + } else { + ret_val = value; + ret_val = (ret_val << 1) + (ret_val >> 1); + } + return ret_val; +} + +static u8 _rtl8821ae_evm_dbm_jaguar(s8 value) +{ + s8 ret_val = value; + + /* -33dB~0dB to 33dB ~ 0dB*/ + if (ret_val == -128) + ret_val = 127; + else if (ret_val < 0) + ret_val = 0 - ret_val; + + ret_val = ret_val >> 1; + return ret_val; +} + +static void 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 packet_beacon) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo; + struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); + struct rtl_phy *rtlphy = &rtlpriv->phy; + s8 rx_pwr_all = 0, rx_pwr[4]; + u8 rf_rx_num = 0, evm, evmdbm, pwdb_all; + u8 i, max_spatial_stream; + u32 rssi, total_rssi = 0; + bool is_cck = pstatus->is_cck; + u8 lan_idx, vga_idx; + + /* Record it for next packet processing */ + pstatus->packet_matchbssid = bpacket_match_bssid; + pstatus->packet_toself = bpacket_toself; + pstatus->packet_beacon = packet_beacon; + pstatus->rx_mimo_signalquality[0] = -1; + pstatus->rx_mimo_signalquality[1] = -1; + + if (is_cck) { + u8 cck_highpwr; + u8 cck_agc_rpt; + + cck_agc_rpt = p_phystrpt->cfosho[0]; + + /* (1)Hardware does not provide RSSI for CCK + * (2)PWDB, Average PWDB cacluated by + * hardware (for rate adaptive) + */ + cck_highpwr = (u8)rtlphy->cck_high_power; + + lan_idx = ((cck_agc_rpt & 0xE0) >> 5); + vga_idx = (cck_agc_rpt & 0x1f); + if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) { + switch (lan_idx) { + case 7: + if (vga_idx <= 27) + /*VGA_idx = 27~2*/ + rx_pwr_all = -100 + 2*(27-vga_idx); + else + rx_pwr_all = -100; + break; + case 6: + /*VGA_idx = 2~0*/ + rx_pwr_all = -48 + 2*(2-vga_idx); + break; + case 5: + /*VGA_idx = 7~5*/ + rx_pwr_all = -42 + 2*(7-vga_idx); + break; + case 4: + /*VGA_idx = 7~4*/ + rx_pwr_all = -36 + 2*(7-vga_idx); + break; + case 3: + /*VGA_idx = 7~0*/ + rx_pwr_all = -24 + 2*(7-vga_idx); + break; + case 2: + if (cck_highpwr) + /*VGA_idx = 5~0*/ + rx_pwr_all = -12 + 2*(5-vga_idx); + 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); + if (!cck_highpwr) { + 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; + } + } else { /* 8821 */ + s8 pout = -6; + + switch (lan_idx) { + case 5: + rx_pwr_all = pout - 32 - (2*vga_idx); + break; + case 4: + rx_pwr_all = pout - 24 - (2*vga_idx); + break; + case 2: + rx_pwr_all = pout - 11 - (2*vga_idx); + break; + case 1: + rx_pwr_all = pout + 5 - (2*vga_idx); + break; + case 0: + rx_pwr_all = pout + 21 - (2*vga_idx); + break; + } + pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); + } + + 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 = p_phystrpt->pwdb_all; + 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 { + /* (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.rfpath_rxenable[i]) + rf_rx_num++; + + rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110; + + /* Translate DBM to percentage. */ + rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); + total_rssi += rssi; + + /* Get Rx snr value in DB */ + pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2; + rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2; + + pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]); + pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]); + /* Record Signal Strength for next packet */ + 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->is_ht && pstatus->rate >= DESC_RATEMCS8 && + pstatus->rate <= DESC_RATEMCS15) || + (pstatus->is_vht && + pstatus->rate >= DESC_RATEVHT2SS_MCS0 && + pstatus->rate <= DESC_RATEVHT2SS_MCS9)) + max_spatial_stream = 2; + else + max_spatial_stream = 1; + + for (i = 0; i < max_spatial_stream; i++) { + evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]); + evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]); + + if (bpacket_match_bssid) { + /* Fill value in RFD, Get the first + * spatial stream only + */ + if (i == 0) + pstatus->signalquality = evm; + pstatus->rx_mimo_signalquality[i] = evm; + pstatus->rx_mimo_evm_dbm[i] = evmdbm; + } + } + if (bpacket_match_bssid) { + for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) + rtl_priv(hw)->dm.cfo_tail[i] = + (s8)p_phystrpt->cfotail[i]; + + rtl_priv(hw)->dm.packet_count++; + } + } + + /* UI BSS List signal strength(in percentage), + * make it good looking, from 0~100. + */ + if (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->antidx_anta; + rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb; +} + +static void 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; + __le16 fc; + u16 type; + bool packet_matchbssid, packet_toself, packet_beacon; + + tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; + + hdr = (struct ieee80211_hdr *)tmp_buf; + fc = hdr->frame_control; + type = WLAN_FC_GET_TYPE(hdr->frame_control); + praddr = hdr->addr1; + psaddr = ieee80211_get_SA(hdr); + ether_addr_copy(pstatus->psaddr, psaddr); + + packet_matchbssid = (!ieee80211_is_ctl(fc) && + (ether_addr_equal(mac->bssid, + ieee80211_has_tods(fc) ? + hdr->addr1 : + ieee80211_has_fromds(fc) ? + hdr->addr2 : hdr->addr3)) && + (!pstatus->hwerror) && + (!pstatus->crc) && (!pstatus->icv)); + + packet_toself = packet_matchbssid && + (ether_addr_equal(praddr, rtlefuse->dev_addr)); + + if (ieee80211_is_beacon(hdr->frame_control)) + packet_beacon = true; + else + packet_beacon = false; + + if (packet_beacon && packet_matchbssid) + rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; + + if (packet_matchbssid && + ieee80211_is_data_qos(hdr->frame_control) && + !is_multicast_ether_addr(ieee80211_get_DA(hdr))) { + struct ieee80211_qos_hdr *hdr_qos = + (struct ieee80211_qos_hdr *)tmp_buf; + u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf; + + if (tid != 0 && tid != 3) + rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++; + } + + query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, + packet_matchbssid, packet_toself, + 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); +} + +static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 rx_rate = 0; + + rx_rate = GET_RX_DESC_RXMCS(pdesc); + + RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); + + if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15)) + return true; + return false; +} + +static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, u8 *pdesc) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 rx_rate = 0; + + rx_rate = GET_RX_DESC_RXMCS(pdesc); + + RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); + + if (rx_rate >= DESC_RATEVHT1SS_MCS0) + return true; + return false; +} + +static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc) +{ + u8 rx_rate = 0; + u8 vht_nss = 0; + + rx_rate = GET_RX_DESC_RXMCS(pdesc); + if ((rx_rate >= DESC_RATEVHT1SS_MCS0) && + (rx_rate <= DESC_RATEVHT1SS_MCS9)) + vht_nss = 1; + else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) && + (rx_rate <= DESC_RATEVHT2SS_MCS9)) + vht_nss = 2; + + return vht_nss; +} + +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->icv = (u16)GET_RX_DESC_ICV(pdesc); + status->crc = (u16)GET_RX_DESC_CRC32(pdesc); + status->hwerror = (status->crc | status->icv); + status->decrypted = !GET_RX_DESC_SWDEC(pdesc); + status->rate = (u8)GET_RX_DESC_RXMCS(pdesc); + status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc); + status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1); + status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1); + status->timestamp_low = GET_RX_DESC_TSFL(pdesc); + status->rx_packet_bw = GET_RX_DESC_BW(pdesc); + status->macid = GET_RX_DESC_MACID(pdesc); + status->is_short_gi = !(bool)GET_RX_DESC_SPLCP(pdesc); + status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc); + status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc); + status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc); + status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate); + + RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, + "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n", + (status->rx_packet_bw == 2) ? "80M" : + (status->rx_packet_bw == 1) ? "40M" : "20M", + status->is_ht, status->is_vht, status->vht_nss, + status->is_short_gi); + + 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(rtlpriv, COMP_RXDESC, DBG_LOUD, + "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", + status->wake_match); + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; + + hdr = (struct ieee80211_hdr *)(skb->data + + status->rx_drvinfo_size + status->rx_bufshift); + + if (status->crc) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + + if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40) + rx_status->bw = RATE_INFO_BW_40; + else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80) + rx_status->bw = RATE_INFO_BW_80; + if (status->is_ht) + rx_status->encoding = RX_ENC_HT; + if (status->is_vht) + rx_status->encoding = RX_ENC_VHT; + + if (status->is_short_gi) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + + rx_status->nss = status->vht_nss; + rx_status->flag |= RX_FLAG_MACTIME_START; + + /* 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 ((!_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) + */ + rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, + status->is_vht, + status->rate); + + rx_status->mactime = status->timestamp_low; + if (phystatus) { + p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data + + status->rx_bufshift); + + translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo); + } + rx_status->signal = status->recvsignalpower + 10; + 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; +} + +static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw, + struct rtl_tcb_desc *ptcb_desc) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u8 bw_setting_of_desc = 0; + + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, + "rtl8821ae_bw_mapping, current_chan_bw %d, packet_bw %d\n", + rtlphy->current_chan_bw, ptcb_desc->packet_bw); + + if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { + if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) + bw_setting_of_desc = 2; + else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) + bw_setting_of_desc = 1; + else + bw_setting_of_desc = 0; + } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { + if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) || + (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)) + bw_setting_of_desc = 1; + else + bw_setting_of_desc = 0; + } else { + bw_setting_of_desc = 0; + } + return bw_setting_of_desc; +} + +static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw, + struct rtl_tcb_desc *ptcb_desc) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + struct rtl_mac *mac = rtl_mac(rtlpriv); + u8 sc_setting_of_desc = 0; + + if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { + if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) { + sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; + } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { + if (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER) + sc_setting_of_desc = + VHT_DATA_SC_40_LOWER_OF_80MHZ; + else if (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER) + sc_setting_of_desc = + VHT_DATA_SC_40_UPPER_OF_80MHZ; + else + RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, + "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); + } else { + if ((mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER) && + (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER)) + sc_setting_of_desc = + VHT_DATA_SC_20_LOWEST_OF_80MHZ; + else if ((mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER) && + (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER)) + sc_setting_of_desc = + VHT_DATA_SC_20_LOWER_OF_80MHZ; + else if ((mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER) && + (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER)) + sc_setting_of_desc = + VHT_DATA_SC_20_UPPER_OF_80MHZ; + else if ((mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER) && + (mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER)) + sc_setting_of_desc = + VHT_DATA_SC_20_UPPERST_OF_80MHZ; + else + RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, + "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); + } + } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { + if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { + sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; + } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) { + if (mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_UPPER) { + sc_setting_of_desc = + VHT_DATA_SC_20_UPPER_OF_80MHZ; + } else if (mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER){ + sc_setting_of_desc = + VHT_DATA_SC_20_LOWER_OF_80MHZ; + } else { + sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; + } + } + } else { + sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; + } + + return sc_setting_of_desc; +} + +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) +{ + 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); + struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); + u8 *pdesc = (u8 *)pdesc_tx; + u16 seq_number; + __le16 fc = 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 firstseg = ((hdr->seq_ctrl & + cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); + bool lastseg = ((hdr->frame_control & + cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); + dma_addr_t mapping; + u8 short_gi = 0; + + 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->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(rtlpriv, COMP_SEND, DBG_TRACE, + "DMA mapping error\n"); + return; + } + CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae)); + if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { + firstseg = true; + lastseg = true; + } + if (firstseg) { + if (rtlhal->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(rtlpriv, 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, 0x1f); + } + SET_TX_DESC_SEQ(pdesc, seq_number); + SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && + !ptcb_desc->cts_enable) ? 1 : 0)); + SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0); + SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); + + SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); + SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); + SET_TX_DESC_RTS_SHORT(pdesc, + ((ptcb_desc->rts_rate <= DESC_RATE54M) ? + (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : + (ptcb_desc->rts_use_shortgi ? 1 : 0))); + + if (ptcb_desc->tx_enable_sw_calc_duration) + SET_TX_DESC_NAV_USE_HDR(pdesc, 1); + + SET_TX_DESC_DATA_BW(pdesc, + rtl8821ae_bw_mapping(hw, ptcb_desc)); + + SET_TX_DESC_TX_SUB_CARRIER(pdesc, + rtl8821ae_sc_mapping(hw, ptcb_desc)); + + 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; + 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; + } + } + + 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 (ieee80211_is_data_qos(fc)) { + if (mac->rdg_en) { + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, + "Enable RDG function.\n"); + SET_TX_DESC_RDG_ENABLE(pdesc, 1); + SET_TX_DESC_HTC(pdesc, 1); + } + } + /* tx report */ + rtl_set_tx_report(ptcb_desc, pdesc, hw, tx_info); + } + + SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); + SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); + SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)buf_len); + SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); + /* if (rtlpriv->dm.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_HWSEQ_EN(pdesc, 1); + SET_TX_DESC_HWSEQ_SEL(pdesc, 0); + } + SET_TX_DESC_MORE_FRAG(pdesc, (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(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); +} + +void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, + u8 *pdesc, bool firstseg, + bool 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(rtlpriv, COMP_SEND, DBG_TRACE, + "DMA mapping error\n"); + 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); + + SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); + + SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, 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) { + 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: + WARN_ONCE(true, + "rtl8821ae: ERR txdesc :%d not processed\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: + WARN_ONCE(true, + "rtl8821ae: ERR rxdesc :%d not processed\n", + desc_name); + break; + } + } +} + +u64 rtl8821ae_get_desc(struct ieee80211_hw *hw, + u8 *pdesc, bool istx, u8 desc_name) +{ + u32 ret = 0; + + if (istx) { + 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: + WARN_ONCE(true, + "rtl8821ae: ERR txdesc :%d not processed\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; + case HW_DESC_RXBUFF_ADDR: + ret = GET_RX_DESC_BUFF_ADDR(pdesc); + break; + default: + WARN_ONCE(true, + "rtl8821ae: ERR rxdesc :%d not processed\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(hw, 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; + 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)); + } +} |