| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright(c) 2009-2013 Realtek Corporation.*/ |
| |
| #include "../wifi.h" |
| #include "../pci.h" |
| #include "../base.h" |
| #include "../stats.h" |
| #include "reg.h" |
| #include "def.h" |
| #include "trx.h" |
| #include "led.h" |
| #include "dm.h" |
| #include "phy.h" |
| |
| static u8 _rtl88ee_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 void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw, |
| struct rtl_stats *pstatus, __le32 *pdesc, |
| struct rx_fwinfo_88e *p_drvinfo, |
| bool bpacket_match_bssid, |
| bool bpacket_toself, bool packet_beacon) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); |
| struct phy_sts_cck_8192s_t *cck_buf; |
| struct phy_status_rpt *phystrpt = |
| (struct phy_status_rpt *)p_drvinfo; |
| struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); |
| s8 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 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 Driver info Structure is not the same as OFDM packet. */ |
| cck_buf = (struct phy_sts_cck_8192s_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) |
| /*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); |
| /* 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) { |
| 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.rfpath_rxenable[0] = |
| rtlpriv->dm.rfpath_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.rfpath_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->is_ht && pstatus->rate >= DESC92C_RATEMCS8 && |
| pstatus->rate <= DESC92C_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 onlyi |
| */ |
| 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 (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 = phystrpt->ant_sel; |
| rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b; |
| rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2; |
| } |
| |
| static void _rtl88ee_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_training *pfat_table = &rtldm->fat_table; |
| |
| if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) { |
| if (pfat_table->fat_state == FAT_TRAINING_STATE) { |
| if (pstatus->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[antsel_tr_mux] += |
| pstatus->rx_pwdb_all; |
| pfat_table->ant_cnt[antsel_tr_mux]++; |
| } |
| } |
| } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) || |
| (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) { |
| if (pstatus->packet_toself || pstatus->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; |
| rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, |
| pstatus->rx_pwdb_all); |
| } |
| |
| } |
| } |
| |
| static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw, |
| struct sk_buff *skb, |
| struct rtl_stats *pstatus, |
| __le32 *pdesc, |
| struct rx_fwinfo_88e *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; |
| 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; |
| praddr = hdr->addr1; |
| psaddr = ieee80211_get_SA(hdr); |
| memcpy(pstatus->psaddr, psaddr, ETH_ALEN); |
| |
| 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; |
| |
| _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, |
| packet_matchbssid, packet_toself, |
| packet_beacon); |
| _rtl88ee_smart_antenna(hw, pstatus); |
| rtl_process_phyinfo(hw, tmp_buf, pstatus); |
| } |
| |
| static void rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, |
| __le32 *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 rtl88ee_rx_query_desc(struct ieee80211_hw *hw, |
| struct rtl_stats *status, |
| struct ieee80211_rx_status *rx_status, |
| u8 *pdesc8, struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rx_fwinfo_88e *p_drvinfo; |
| struct ieee80211_hdr *hdr; |
| u8 wake_match; |
| __le32 *pdesc = (__le32 *)pdesc8; |
| u32 phystatus = get_rx_desc_physt(pdesc); |
| |
| status->packet_report_type = (u8)get_rx_status_desc_rpt_sel(pdesc); |
| if (status->packet_report_type == TX_REPORT2) |
| status->length = (u16)get_rx_rpt2_desc_pkt_len(pdesc); |
| else |
| 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) && |
| (get_rx_desc_faggr(pdesc) == 1)); |
| if (status->packet_report_type == NORMAL_RX) |
| status->timestamp_low = get_rx_desc_tsfl(pdesc); |
| status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); |
| status->is_ht = (bool)get_rx_desc_rxht(pdesc); |
| |
| status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate); |
| |
| status->macid = get_rx_desc_macid(pdesc); |
| if (get_rx_status_desc_pattern_match(pdesc)) |
| wake_match = BIT(2); |
| else if (get_rx_status_desc_magic_match(pdesc)) |
| wake_match = BIT(1); |
| else if (get_rx_status_desc_unicast_match(pdesc)) |
| wake_match = BIT(0); |
| else |
| wake_match = 0; |
| if (wake_match) |
| rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, |
| "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", |
| 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_is40mhzpacket) |
| rx_status->bw = RATE_INFO_BW_40; |
| |
| if (status->is_ht) |
| rx_status->encoding = RX_ENC_HT; |
| |
| 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) |
| * Notice: this is diff with windows define |
| */ |
| rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, |
| false, status->rate); |
| |
| rx_status->mactime = status->timestamp_low; |
| if (phystatus == true) { |
| p_drvinfo = (struct rx_fwinfo_88e *)(skb->data + |
| status->rx_bufshift); |
| |
| _rtl88ee_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; |
| } |
| |
| void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw, |
| struct ieee80211_hdr *hdr, u8 *pdesc8, |
| 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); |
| u16 seq_number; |
| __le16 fc = hdr->frame_control; |
| unsigned int buf_len = 0; |
| unsigned int skb_len = skb->len; |
| u8 fw_qsel = _rtl88ee_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 bw_40 = 0; |
| u8 short_gi = 0; |
| __le32 *pdesc = (__le32 *)pdesc8; |
| |
| 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->earlymode_enable) { |
| skb_push(skb, EM_HDR_LEN); |
| memset(skb->data, 0, EM_HDR_LEN); |
| } |
| buf_len = skb->len; |
| mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, |
| DMA_TO_DEVICE); |
| if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { |
| rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, |
| "DMA mapping error\n"); |
| return; |
| } |
| clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_88e)); |
| 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) { |
| rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, |
| "Insert 8 byte.pTcb->EMPktNum:%d\n", |
| ptcb_desc->empkt_num); |
| rtl88ee_insert_emcontent(ptcb_desc, |
| (__le32 *)(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 > DESC92C_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->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_stbc(pdesc, ((ptcb_desc->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 <= DESC92C_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); |
| |
| if (bw_40) { |
| if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { |
| 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; |
| |
| 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); |
| |
| /*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) { |
| rtl_dbg(rtlpriv, 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, (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) { |
| 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->ratr_index); |
| } |
| 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_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); |
| } |
| |
| rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id); |
| rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); |
| } |
| |
| void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw, |
| u8 *pdesc8, 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; |
| __le32 *pdesc = (__le32 *)pdesc8; |
| |
| dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, |
| skb->len, DMA_TO_DEVICE); |
| |
| struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); |
| __le16 fc = hdr->frame_control; |
| |
| if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { |
| rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, |
| "DMA mapping error\n"); |
| return; |
| } |
| clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); |
| |
| if (firstseg) |
| set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); |
| |
| set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M); |
| |
| set_tx_desc_seq(pdesc, 0); |
| |
| set_tx_desc_linip(pdesc, 0); |
| |
| set_tx_desc_queue_sel(pdesc, fw_queue); |
| |
| set_tx_desc_first_seg(pdesc, 1); |
| set_tx_desc_last_seg(pdesc, 1); |
| |
| set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len)); |
| |
| set_tx_desc_tx_buffer_address(pdesc, mapping); |
| |
| set_tx_desc_rate_id(pdesc, 7); |
| set_tx_desc_macid(pdesc, 0); |
| |
| set_tx_desc_own(pdesc, 1); |
| |
| set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); |
| |
| set_tx_desc_first_seg(pdesc, 1); |
| set_tx_desc_last_seg(pdesc, 1); |
| |
| set_tx_desc_offset(pdesc, 0x20); |
| |
| set_tx_desc_use_rate(pdesc, 1); |
| |
| if (!ieee80211_is_data_qos(fc)) |
| set_tx_desc_hwseq_en(pdesc, 1); |
| |
| RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, |
| "H2C Tx Cmd Content\n", |
| pdesc, TX_DESC_SIZE); |
| } |
| |
| void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, |
| bool istx, u8 desc_name, u8 *val) |
| { |
| __le32 *pdesc = (__le32 *)pdesc8; |
| |
| 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, "rtl8188ee: 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, "rtl8188ee: ERR rxdesc :%d not processed\n", |
| desc_name); |
| break; |
| } |
| } |
| } |
| |
| u64 rtl88ee_get_desc(struct ieee80211_hw *hw, |
| u8 *pdesc8, bool istx, u8 desc_name) |
| { |
| u32 ret = 0; |
| __le32 *pdesc = (__le32 *)pdesc8; |
| |
| 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, "rtl8188ee: 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, "rtl8188ee: ERR rxdesc :%d not processed\n", |
| desc_name); |
| break; |
| } |
| } |
| return ret; |
| } |
| |
| bool rtl88ee_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)rtl88ee_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 rtl88ee_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)); |
| } |
| } |