diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c | 744 |
1 files changed, 744 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c new file mode 100644 index 000000000..24ef7cc52 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c @@ -0,0 +1,744 @@ +// 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 calculated 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 calculated 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)); + } +} |