// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009-2012 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" static u8 _rtl92de_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)) return QSLT_MGNT; return skb->priority; } static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, u8 signal_strength_index) { long signal_power; signal_power = (long)((signal_strength_index + 1) >> 1); signal_power -= 95; return signal_power; } static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, struct rtl_stats *pstats, struct rx_desc_92d *pdesc, struct rx_fwinfo_92d *p_drvinfo, bool packet_match_bssid, bool packet_toself, bool packet_beacon) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); struct phy_sts_cck_8192d *cck_buf; s8 rx_pwr_all, rx_pwr[4]; u8 rf_rx_num = 0, evm, pwdb_all; u8 i, max_spatial_stream; u32 rssi, total_rssi = 0; bool is_cck_rate; is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); pstats->packet_matchbssid = packet_match_bssid; pstats->packet_toself = packet_toself; pstats->packet_beacon = packet_beacon; pstats->is_cck = is_cck_rate; pstats->rx_mimo_sig_qual[0] = -1; pstats->rx_mimo_sig_qual[1] = -1; if (is_cck_rate) { u8 report, cck_highpwr; cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; if (ppsc->rfpwr_state == ERFON) cck_highpwr = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9)); else cck_highpwr = false; if (!cck_highpwr) { u8 cck_agc_rpt = cck_buf->cck_agc_rpt; report = cck_buf->cck_agc_rpt & 0xc0; report = report >> 6; switch (report) { case 0x3: rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); break; case 0x2: rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); break; case 0x1: rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); break; case 0x0: rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); break; } } else { u8 cck_agc_rpt = cck_buf->cck_agc_rpt; report = p_drvinfo->cfosho[0] & 0x60; report = report >> 5; switch (report) { case 0x3: rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); break; case 0x2: rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); break; case 0x1: rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); break; case 0x0: rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); break; } } 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; pstats->rx_pwdb_all = pwdb_all; pstats->recvsignalpower = rx_pwr_all; if (packet_match_bssid) { u8 sq; if (pstats->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; } pstats->signalquality = sq; pstats->rx_mimo_sig_qual[0] = sq; pstats->rx_mimo_sig_qual[1] = -1; } } else { rtlpriv->dm.rfpath_rxenable[0] = true; rtlpriv->dm.rfpath_rxenable[1] = true; for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { if (rtlpriv->dm.rfpath_rxenable[i]) rf_rx_num++; rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); total_rssi += rssi; rtlpriv->stats.rx_snr_db[i] = (long)(p_drvinfo->rxsnr[i] / 2); if (packet_match_bssid) pstats->rx_mimo_signalstrength[i] = (u8) rssi; } rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); pstats->rx_pwdb_all = pwdb_all; pstats->rxpower = rx_pwr_all; pstats->recvsignalpower = rx_pwr_all; if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 && pdesc->rxmcs <= DESC_RATEMCS15) max_spatial_stream = 2; else max_spatial_stream = 1; for (i = 0; i < max_spatial_stream; i++) { evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); if (packet_match_bssid) { if (i == 0) pstats->signalquality = (u8)(evm & 0xff); pstats->rx_mimo_sig_qual[i] = (u8)(evm & 0xff); } } } if (is_cck_rate) pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, pwdb_all)); else if (rf_rx_num != 0) pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, total_rssi /= rf_rx_num)); } static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_phy *rtlphy = &(rtlpriv->phy); u8 rfpath; for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; rfpath++) { if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { rtlpriv->stats.rx_rssi_percentage[rfpath] = pstats->rx_mimo_signalstrength[rfpath]; } if (pstats->rx_mimo_signalstrength[rfpath] > rtlpriv->stats.rx_rssi_percentage[rfpath]) { rtlpriv->stats.rx_rssi_percentage[rfpath] = ((rtlpriv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_mimo_signalstrength[rfpath])) / (RX_SMOOTH_FACTOR); rtlpriv->stats.rx_rssi_percentage[rfpath] = rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; } else { rtlpriv->stats.rx_rssi_percentage[rfpath] = ((rtlpriv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_mimo_signalstrength[rfpath])) / (RX_SMOOTH_FACTOR); } } } static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); u32 last_rssi, tmpval; if (pstats->packet_toself || pstats->packet_beacon) { rtlpriv->stats.rssi_calculate_cnt++; if (rtlpriv->stats.ui_rssi.total_num++ >= PHY_RSSI_SLID_WIN_MAX) { rtlpriv->stats.ui_rssi.total_num = PHY_RSSI_SLID_WIN_MAX; last_rssi = rtlpriv->stats.ui_rssi.elements[ rtlpriv->stats.ui_rssi.index]; rtlpriv->stats.ui_rssi.total_val -= last_rssi; } rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; rtlpriv->stats.ui_rssi.elements [rtlpriv->stats.ui_rssi.index++] = pstats->signalstrength; if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) rtlpriv->stats.ui_rssi.index = 0; tmpval = rtlpriv->stats.ui_rssi.total_val / rtlpriv->stats.ui_rssi.total_num; rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, (u8) tmpval); pstats->rssi = rtlpriv->stats.signal_strength; } if (!pstats->is_cck && pstats->packet_toself) rtl92d_loop_over_paths(hw, pstats); } static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); int weighting = 0; if (rtlpriv->stats.recv_signal_power == 0) rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) weighting = 5; else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) weighting = (-5); rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5 + pstats->recvsignalpower + weighting) / 6; } static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); long undec_sm_pwdb; if (mac->opmode == NL80211_IFTYPE_ADHOC || mac->opmode == NL80211_IFTYPE_AP) return; else undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; if (pstats->packet_toself || pstats->packet_beacon) { if (undec_sm_pwdb < 0) undec_sm_pwdb = pstats->rx_pwdb_all; if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { undec_sm_pwdb = (((undec_sm_pwdb) * (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); undec_sm_pwdb = undec_sm_pwdb + 1; } else { undec_sm_pwdb = (((undec_sm_pwdb) * (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); } rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; _rtl92de_update_rxsignalstatistics(hw, pstats); } } static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); int stream; for (stream = 0; stream < 2; stream++) { if (pstats->rx_mimo_sig_qual[stream] != -1) { if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { rtlpriv->stats.rx_evm_percentage[stream] = pstats->rx_mimo_sig_qual[stream]; } rtlpriv->stats.rx_evm_percentage[stream] = ((rtlpriv->stats.rx_evm_percentage[stream] * (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_mimo_sig_qual[stream] * 1)) / (RX_SMOOTH_FACTOR); } } } static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, struct rtl_stats *pstats) { struct rtl_priv *rtlpriv = rtl_priv(hw); u32 last_evm, tmpval; if (pstats->signalquality == 0) return; if (pstats->packet_toself || pstats->packet_beacon) { if (rtlpriv->stats.ui_link_quality.total_num++ >= PHY_LINKQUALITY_SLID_WIN_MAX) { rtlpriv->stats.ui_link_quality.total_num = PHY_LINKQUALITY_SLID_WIN_MAX; last_evm = rtlpriv->stats.ui_link_quality.elements[ rtlpriv->stats.ui_link_quality.index]; rtlpriv->stats.ui_link_quality.total_val -= last_evm; } rtlpriv->stats.ui_link_quality.total_val += pstats->signalquality; rtlpriv->stats.ui_link_quality.elements[ rtlpriv->stats.ui_link_quality.index++] = pstats->signalquality; if (rtlpriv->stats.ui_link_quality.index >= PHY_LINKQUALITY_SLID_WIN_MAX) rtlpriv->stats.ui_link_quality.index = 0; tmpval = rtlpriv->stats.ui_link_quality.total_val / rtlpriv->stats.ui_link_quality.total_num; rtlpriv->stats.signal_quality = tmpval; rtlpriv->stats.last_sigstrength_inpercent = tmpval; rtl92d_loop_over_streams(hw, pstats); } } static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, u8 *buffer, struct rtl_stats *pcurrent_stats) { if (!pcurrent_stats->packet_matchbssid && !pcurrent_stats->packet_beacon) return; _rtl92de_process_ui_rssi(hw, pcurrent_stats); _rtl92de_process_pwdb(hw, pcurrent_stats); _rtl92de_process_ui_link_quality(hw, pcurrent_stats); } static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, struct sk_buff *skb, struct rtl_stats *pstats, struct rx_desc_92d *pdesc, struct rx_fwinfo_92d *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; u16 type, cfc; __le16 fc; bool packet_matchbssid, packet_toself, packet_beacon = false; tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; hdr = (struct ieee80211_hdr *)tmp_buf; fc = hdr->frame_control; cfc = le16_to_cpu(fc); type = WLAN_FC_GET_TYPE(fc); praddr = hdr->addr1; packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && ether_addr_equal(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3) && (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); packet_toself = packet_matchbssid && ether_addr_equal(praddr, rtlefuse->dev_addr); if (ieee80211_is_beacon(fc)) packet_beacon = true; _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, packet_matchbssid, packet_toself, packet_beacon); _rtl92de_process_phyinfo(hw, tmp_buf, pstats); } bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, struct ieee80211_rx_status *rx_status, u8 *pdesc8, struct sk_buff *skb) { __le32 *pdesc = (__le32 *)pdesc8; struct rx_fwinfo_92d *p_drvinfo; u32 phystatus = get_rx_desc_physt(pdesc); stats->length = (u16)get_rx_desc_pkt_len(pdesc); stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * RX_DRV_INFO_SIZE_UNIT; stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); stats->icv = (u16)get_rx_desc_icv(pdesc); stats->crc = (u16)get_rx_desc_crc32(pdesc); stats->hwerror = (stats->crc | stats->icv); stats->decrypted = !get_rx_desc_swdec(pdesc); stats->rate = (u8)get_rx_desc_rxmcs(pdesc); stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc); stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && (get_rx_desc_faggr(pdesc) == 1)); stats->timestamp_low = get_rx_desc_tsfl(pdesc); stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); stats->is_ht = (bool)get_rx_desc_rxht(pdesc); rx_status->freq = hw->conf.chandef.chan->center_freq; rx_status->band = hw->conf.chandef.chan->band; if (get_rx_desc_crc32(pdesc)) rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; if (!get_rx_desc_swdec(pdesc)) rx_status->flag |= RX_FLAG_DECRYPTED; if (get_rx_desc_bw(pdesc)) rx_status->bw = RATE_INFO_BW_40; if (get_rx_desc_rxht(pdesc)) rx_status->encoding = RX_ENC_HT; rx_status->flag |= RX_FLAG_MACTIME_START; if (stats->decrypted) rx_status->flag |= RX_FLAG_DECRYPTED; rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, false, stats->rate); rx_status->mactime = get_rx_desc_tsfl(pdesc); if (phystatus) { p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + stats->rx_bufshift); _rtl92de_translate_rx_signal_stuff(hw, skb, stats, (struct rx_desc_92d *)pdesc, p_drvinfo); } /*rx_status->qual = stats->signal; */ rx_status->signal = stats->recvsignalpower + 10; return true; } static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, u8 *virtualaddress8) { __le32 *virtualaddress = (__le32 *)virtualaddress8; memset(virtualaddress, 0, 8); set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]); set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]); set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]); set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]); } void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, u8 *pdesc8, u8 *pbd_desc_tx, 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 rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); __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 = _rtl92de_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; 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->bandwidth >= IEEE80211_STA_RX_BW_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 = 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_92d)); 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_LOUD, "Insert 8 byte.pTcb->EMPktNum:%d\n", ptcb_desc->empkt_num); _rtl92de_insert_emcontent(ptcb_desc, (u8 *)(skb->data)); } } else { set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); } /* 5G have no CCK rate */ if (rtlhal->current_bandtype == BAND_ON_5G) if (ptcb_desc->hw_rate < DESC_RATE6M) ptcb_desc->hw_rate = DESC_RATE6M; set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) set_tx_desc_data_shortgi(pdesc, 1); if (rtlhal->macphymode == DUALMAC_DUALPHY && ptcb_desc->hw_rate == DESC_RATEMCS7) set_tx_desc_data_shortgi(pdesc, 1); 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, ((ptcb_desc->rts_enable || ptcb_desc->cts_enable) ? 1 : 0)); set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); /* 5G have no CCK rate */ if (rtlhal->current_bandtype == BAND_ON_5G) if (ptcb_desc->rts_rate < DESC_RATE6M) ptcb_desc->rts_rate = DESC_RATE6M; set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); set_tx_desc_rts_bw(pdesc, 0); set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <= DESC_RATE54M) ? (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : (ptcb_desc->rts_use_shortgi ? 1 : 0))); if (bw_40) { if (ptcb_desc->packet_bw) { set_tx_desc_data_bw(pdesc, 1); set_tx_desc_tx_sub_carrier(pdesc, 3); } else { set_tx_desc_data_bw(pdesc, 0); set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc); } } else { set_tx_desc_data_bw(pdesc, 0); set_tx_desc_tx_sub_carrier(pdesc, 0); } set_tx_desc_linip(pdesc, 0); set_tx_desc_pkt_size(pdesc, (u16)skb_len); if (sta) { u8 ampdu_density = sta->ht_cap.ampdu_density; set_tx_desc_ampdu_density(pdesc, ampdu_density); } if (info->control.hw_key) { struct ieee80211_key_conf *keyconf; 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_pkt_id(pdesc, 0); 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 (!ptcb_desc->use_driver_rate) { set_tx_desc_rts_rate(pdesc, 0x08); /* set_tx_desc_tx_rate(pdesc, 0x0b); */ } if (ieee80211_is_data_qos(fc)) { if (mac->rdg_en) { RT_TRACE(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)) && ppsc->fwctrl_lps) { set_tx_desc_hwseq_en(pdesc, 1); set_tx_desc_pkt_id(pdesc, 8); } set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); } void rtl92de_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)); struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); struct rtl_hal *rtlhal = rtl_hal(rtlpriv); u8 fw_queue = QSLT_BEACON; dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); __le16 fc = hdr->frame_control; __le32 *pdesc = (__le32 *)pdesc8; 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); if (firstseg) set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); /* 5G have no CCK rate * Caution: The macros below are multi-line expansions. * The braces are needed no matter what checkpatch says */ if (rtlhal->current_bandtype == BAND_ON_5G) { set_tx_desc_tx_rate(pdesc, DESC_RATE6M); } else { set_tx_desc_tx_rate(pdesc, DESC_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_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) && ppsc->fwctrl_lps) { set_tx_desc_hwseq_en(pdesc, 1); set_tx_desc_pkt_id(pdesc, 8); } RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); wmb(); set_tx_desc_own(pdesc, 1); } void rtl92de_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: wmb(); 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, "rtl8192de: ERR txdesc :%d not processed\n", desc_name); break; } } else { switch (desc_name) { case HW_DESC_RXOWN: wmb(); 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, "rtl8192de: ERR rxdesc :%d not processed\n", desc_name); break; } } } u64 rtl92de_get_desc(struct ieee80211_hw *hw, u8 *p_desc8, bool istx, u8 desc_name) { __le32 *p_desc = (__le32 *)p_desc8; u32 ret = 0; if (istx) { switch (desc_name) { case HW_DESC_OWN: ret = get_tx_desc_own(p_desc); break; case HW_DESC_TXBUFF_ADDR: ret = get_tx_desc_tx_buffer_address(p_desc); break; default: WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", desc_name); break; } } else { switch (desc_name) { case HW_DESC_OWN: ret = get_rx_desc_own(p_desc); break; case HW_DESC_RXPKT_LEN: ret = get_rx_desc_pkt_len(p_desc); break; case HW_DESC_RXBUFF_ADDR: ret = get_rx_desc_buff_addr(p_desc); break; default: WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", desc_name); break; } } return ret; } bool rtl92de_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)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN); /* a beacon packet will only use the first * descriptor by defaut, and the own bit may not * be cleared by the hardware */ if (own) return false; return true; } void rtl92de_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)); }