// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009-2014 Realtek Corporation.*/ #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 "fw.h" static u8 _rtl8723be_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 _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw, struct rtl_stats *pstatus, __le32 *pdesc, struct rx_fwinfo_8723be *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; s8 rx_pwr_all = 0, rx_pwr[4]; u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0; 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_agc_rpt; cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a; /* (1)Hardware does not provide RSSI for CCK */ /* (2)PWDB, Average PWDB cacluated by * hardware (for rate adaptive) */ rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9)); lan_idx = ((cck_agc_rpt & 0xE0) >> 5); vga_idx = (cck_agc_rpt & 0x1f); switch (lan_idx) { /* 46 53 73 95 201301231630 */ /* 46 53 77 99 201301241630 */ case 6: rx_pwr_all = -34 - (2 * vga_idx); break; case 4: rx_pwr_all = -14 - (2 * vga_idx); break; case 1: rx_pwr_all = 6 - (2 * vga_idx); break; case 0: rx_pwr_all = 16 - (2 * vga_idx); break; default: break; } pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); if (pwdb_all > 100) pwdb_all = 100; pstatus->rx_pwdb_all = pwdb_all; pstatus->bt_rx_rssi_percentage = pwdb_all; pstatus->recvsignalpower = rx_pwr_all; /* (3) Get Signal Quality (EVM) */ if (bpacket_match_bssid) { u8 sq, sq_rpt; if (pstatus->rx_pwdb_all > 40) { sq = 100; } else { sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all; if (sq_rpt > 64) sq = 0; else if (sq_rpt < 20) sq = 100; else sq = ((64 - sq_rpt) * 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->path_agc[i].gain & 0x3f) * 2) - 110; pstatus->rx_pwr[i] = rx_pwr[i]; /* Translate DBM to percentage. */ rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); total_rssi += rssi; pstatus->rx_mimo_signalstrength[i] = (u8)rssi; } /* (2)PWDB, Average PWDB cacluated by * hardware (for rate adaptive) */ rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) & 0x7f) - 110; pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); pwdb_all_bt = pwdb_all; pstatus->rx_pwdb_all = pwdb_all; pstatus->bt_rx_rssi_percentage = pwdb_all_bt; pstatus->rxpower = rx_pwr_all; pstatus->recvsignalpower = rx_pwr_all; /* (3)EVM of HT rate */ if (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_phystrpt->stream_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); } } if (bpacket_match_bssid) { for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) rtl_priv(hw)->dm.cfo_tail[i] = (int)p_phystrpt->path_cfotail[i]; if (rtl_priv(hw)->dm.packet_count == 0xffffffff) rtl_priv(hw)->dm.packet_count = 0; else 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)); } static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw, struct sk_buff *skb, struct rtl_stats *pstatus, __le32 *pdesc, struct rx_fwinfo_8723be *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 packet_matchbssid, packet_toself, 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(hdr->frame_control); praddr = hdr->addr1; psaddr = ieee80211_get_SA(hdr); memcpy(pstatus->psaddr, psaddr, ETH_ALEN); 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->hwerror) && (!pstatus->crc) && (!pstatus->icv)); packet_toself = packet_matchbssid && (ether_addr_equal(praddr, rtlefuse->dev_addr)); /* YP: packet_beacon is not initialized, * this assignment is neccesary, * otherwise it counld be true in this case * the situation is much worse in Kernel 3.10 */ 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++; _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, packet_matchbssid, packet_toself, packet_beacon); rtl_process_phyinfo(hw, tmp_buf, pstatus); } static void _rtl8723be_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 rtl8723be_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_8723be *p_drvinfo; struct ieee80211_hdr *hdr; u8 wake_match; __le32 *pdesc = (__le32 *)pdesc8; 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_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); status->bandwidth = (u8)get_rx_desc_bw(pdesc); status->macid = get_rx_desc_macid(pdesc); status->is_ht = (bool)get_rx_desc_rxht(pdesc); status->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)) 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) */ rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, false, status->rate); rx_status->mactime = status->timestamp_low; if (phystatus) { p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data + status->rx_bufshift); _rtl8723be_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 rtl8723be_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); struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); __le32 *pdesc = (__le32 *)pdesc8; u16 seq_number; __le16 fc = hdr->frame_control; unsigned int buf_len = 0; unsigned int skb_len = skb->len; u8 fw_qsel = _rtl8723be_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; 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->deflink.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_8723be)); 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); _rtl8723be_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_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 <= 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->deflink.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); /* Set TxRate and RTSRate in TxDesc */ /* This prevent Tx initial rate of new-coming packets */ /* from being overwritten by retried packet rate.*/ 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); } } /* tx report */ rtl_set_tx_report(ptcb_desc, pdesc8, 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); } rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); } void rtl8723be_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); 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); 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, 0); 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_use_rate(pdesc, 1); RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE); } void rtl8723be_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, "rtl8723be: 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, "rtl8723be: ERR rxdesc :%d not process\n", desc_name); break; } } } u64 rtl8723be_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, "rtl8723be: 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; case HW_DESC_RXBUFF_ADDR: ret = get_rx_desc_buff_addr(pdesc); break; default: WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n", desc_name); break; } } return ret; } bool rtl8723be_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)rtl8723be_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 rtl8723be_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)); } }