/****************************************************************************** * * 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. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * wlanfae * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, * Hsinchu 300, Taiwan. * * Larry Finger * *****************************************************************************/ #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" u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) { u16 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; } /* mac80211's rate_idx is like this: * * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ * * B/G rate: * (rx_status->flag & RX_FLAG_HT) = 0, * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, * * N rate: * (rx_status->flag & RX_FLAG_HT) = 1, * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 * * 5G band:rx_status->band == IEEE80211_BAND_5GHZ * A rate: * (rx_status->flag & RX_FLAG_HT) = 0, * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, * * N rate: * (rx_status->flag & RX_FLAG_HT) = 1, * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 */ static int _rtl8821ae_rate_mapping(struct ieee80211_hw *hw, bool isht, u8 desc_rate) { int rate_idx; if (false == isht) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { #else if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) { #endif switch (desc_rate) { case DESC_RATE1M: rate_idx = 0; break; case DESC_RATE2M: rate_idx = 1; break; case DESC_RATE5_5M: rate_idx = 2; break; case DESC_RATE11M: rate_idx = 3; break; case DESC_RATE6M: rate_idx = 4; break; case DESC_RATE9M: rate_idx = 5; break; case DESC_RATE12M: rate_idx = 6; break; case DESC_RATE18M: rate_idx = 7; break; case DESC_RATE24M: rate_idx = 8; break; case DESC_RATE36M: rate_idx = 9; break; case DESC_RATE48M: rate_idx = 10; break; case DESC_RATE54M: rate_idx = 11; break; default: rate_idx = 0; break; } } else { switch (desc_rate) { case DESC_RATE6M: rate_idx = 0; break; case DESC_RATE9M: rate_idx = 1; break; case DESC_RATE12M: rate_idx = 2; break; case DESC_RATE18M: rate_idx = 3; break; case DESC_RATE24M: rate_idx = 4; break; case DESC_RATE36M: rate_idx = 5; break; case DESC_RATE48M: rate_idx = 6; break; case DESC_RATE54M: rate_idx = 7; break; default: rate_idx = 0; break; } } } else { switch(desc_rate) { case DESC_RATEMCS0: rate_idx = 0; break; case DESC_RATEMCS1: rate_idx = 1; break; case DESC_RATEMCS2: rate_idx = 2; break; case DESC_RATEMCS3: rate_idx = 3; break; case DESC_RATEMCS4: rate_idx = 4; break; case DESC_RATEMCS5: rate_idx = 5; break; case DESC_RATEMCS6: rate_idx = 6; break; case DESC_RATEMCS7: rate_idx = 7; break; case DESC_RATEMCS8: rate_idx = 8; break; case DESC_RATEMCS9: rate_idx = 9; break; case DESC_RATEMCS10: rate_idx = 10; break; case DESC_RATEMCS11: rate_idx = 11; break; case DESC_RATEMCS12: rate_idx = 12; break; case DESC_RATEMCS13: rate_idx = 13; break; case DESC_RATEMCS14: rate_idx = 14; break; case DESC_RATEMCS15: rate_idx = 15; break; default: rate_idx = 0; break; } } return rate_idx; } static void _rtl8821ae_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 b_packet_beacon) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); struct phy_sts_cck_8821ae_t *cck_buf; struct phy_status_rpt *p_phystRpt = (struct phy_status_rpt *)p_drvinfo; struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); char 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 b_is_cck = pstatus->b_is_cck; u8 lan_idx,vga_idx; /* Record it for next packet processing */ pstatus->b_packet_matchbssid = bpacket_match_bssid; pstatus->b_packet_toself = bpacket_toself; pstatus->b_packet_beacon = b_packet_beacon; pstatus->rx_mimo_signalquality[0] = -1; pstatus->rx_mimo_signalquality[1] = -1; if (b_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_8821ae_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) rx_pwr_all = -100 + 2*(27-vga_idx); /*VGA_idx = 27~2*/ else rx_pwr_all = -100; break; case 6: rx_pwr_all = -48 + 2*(2-vga_idx); /*VGA_idx = 2~0*/ break; case 5: rx_pwr_all = -42 + 2*(7-vga_idx); /*VGA_idx = 7~5*/ break; case 4: rx_pwr_all = -36 + 2*(7-vga_idx); /*VGA_idx = 7~4*/ break; case 3: rx_pwr_all = -24 + 2*(7-vga_idx); /*VGA_idx = 7~0*/ break; case 2: if(cck_highpwr) rx_pwr_all = -12 + 2*(5-vga_idx); /*VGA_idx = 5~0*/ 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 == false){ 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.brfpath_rxenable[0] = rtlpriv->dm.brfpath_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.brfpath_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->b_is_ht && pstatus->rate >= DESC_RATEMCS8 && pstatus->rate <= 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 (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); } } } /* UI BSS List signal strength(in percentage), * make it good looking, from 0~100. */ if (b_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->ant_sel; rtldm->fat_table.antsel_rx_keep_1 = p_phystRpt->ant_sel_b; rtldm->fat_table.antsel_rx_keep_2 = p_phystRpt->antsel_rx_keep_2; } #if 0 static void _rtl8821ae_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_trainning *pfat_table = &(rtldm->fat_table); if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) { if (pfat_table->fat_state == FAT_TRAINING_STATE) { if (pstatus->b_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_rssi[antsel_tr_mux] += pstatus->rx_pwdb_all; pfat_table->ant_rssi_cnt[antsel_tr_mux]++; } } } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) || (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) { if (pstatus->b_packet_toself || pstatus->b_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; rtl8821ae_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, pstatus->rx_pwdb_all); } } } #endif static void _rtl8821ae_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; u16 fc, type; bool b_packet_matchbssid, b_packet_toself, b_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(fc); praddr = hdr->addr1; psaddr = ieee80211_get_SA(hdr); memcpy(pstatus->psaddr, psaddr, ETH_ALEN); b_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->b_hwerror) && (!pstatus->b_crc) && (!pstatus->b_icv)); b_packet_toself = b_packet_matchbssid && (!ether_addr_equal(praddr, rtlefuse->dev_addr)); if (ieee80211_is_beacon(fc)) b_packet_beacon = true; else b_packet_beacon = false; if (b_packet_beacon && b_packet_matchbssid) rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; _rtl8821ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, b_packet_matchbssid, b_packet_toself, b_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); } 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->b_icv = (u16) GET_RX_DESC_ICV(pdesc); status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc); status->b_hwerror = (status->b_crc | status->b_icv); status->decrypted = !GET_RX_DESC_SWDEC(pdesc); status->rate = (u8) GET_RX_DESC_RXMCS(pdesc); status->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); status->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); status->b_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->macid = GET_RX_DESC_MACID(pdesc); status->b_is_ht = (bool)GET_RX_DESC_RXHT(pdesc); status->b_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)) 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(COMP_RXDESC,DBG_LOUD, ("GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",status->wake_match )); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) rx_status->freq = hw->conf.chandef.chan->center_freq; rx_status->band = hw->conf.chandef.chan->band; #else rx_status->freq = hw->conf.channel->center_freq; rx_status->band = hw->conf.channel->band; #endif hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size + status->rx_bufshift); if (status->b_crc) rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; if (status->rx_is40Mhzpacket) rx_status->flag |= RX_FLAG_40MHZ; if (status->b_is_ht) rx_status->flag |= RX_FLAG_HT; rx_status->flag |= RX_FLAG_MACTIME_MPDU; /* 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 (!hdr) { WARN_ON_ONCE(true); pr_err("decrypted is true but hdr NULL, from skb %p\n", rtl_get_hdr(skb)); return false; } 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 = _rtl8821ae_rate_mapping(hw, status->b_is_ht, status->rate); rx_status->mactime = status->timestamp_low; if (phystatus == true) { p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data + status->rx_bufshift); _rtl8821ae_translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo); } /*rx_status->qual = status->signal; */ rx_status->signal = status->recvsignalpower + 10; /*rx_status->noise = -status->noise; */ 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; } /**/ #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)) void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd, struct ieee80211_tx_info *info, struct sk_buff *skb, u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) #else /**/ 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) /**/ #endif /**/ { 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); /**/ #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)) struct ieee80211_sta *sta = info->control.sta; #endif /**/ u8 *pdesc = (u8 *) pdesc_tx; u16 seq_number; u16 fc = le16_to_cpu(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 b_firstseg = ((hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); bool b_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->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->b_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(COMP_SEND, DBG_TRACE, ("DMA mapping error")); return; } CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae)); if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { b_firstseg = true; b_lastseg = true; } if (b_firstseg) { if (rtlhal->b_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(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, 0x14); } SET_TX_DESC_SEQ(pdesc, seq_number); SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->b_rts_enable && !ptcb_desc->b_cts_enable) ? 1 : 0)); SET_TX_DESC_HW_RTS_ENABLE(pdesc,0); SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->b_cts_enable) ? 1 : 0)); /* SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->b_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 <= DESC_RATE54M) ? (ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) : (ptcb_desc->b_rts_use_shortgi ? 1 : 0))); if(ptcb_desc->btx_enable_sw_calc_duration) SET_TX_DESC_NAV_USE_HDR(pdesc, 1); if (bw_40) { if (ptcb_desc->b_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 = info->control.hw_key; /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) /**/ 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; } /**/ #else switch (keyconf->alg) { case ALG_WEP: case ALG_TKIP: SET_TX_DESC_SEC_TYPE(pdesc, 0x1); break; case ALG_CCMP: SET_TX_DESC_SEC_TYPE(pdesc, 0x3); break; default: SET_TX_DESC_SEC_TYPE(pdesc, 0x0); break; } #endif /**/ } 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 0 SET_TX_DESC_USE_RATE(pdesc, 1); SET_TX_DESC_TX_RATE(pdesc, 0x04); SET_TX_DESC_RETRY_LIMIT_ENABLE(pdesc, 1); SET_TX_DESC_DATA_RETRY_LIMIT(pdesc, 0x3f); #endif /*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) { RT_TRACE(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, (b_firstseg ? 1 : 0)); SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0)); SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); //if (rtlpriv->dm.b_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_QOS(pdesc, 1); */ 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, (b_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(COMP_SEND, DBG_TRACE, ("\n")); } void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, bool b_firstseg, bool b_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(COMP_SEND, DBG_TRACE, ("DMA mapping error")); 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); /* if(IsCtrlNDPA(VirtualAddress) || IsMgntNDPA(VirtualAddress)) { SET_TX_DESC_DATA_RETRY_LIMIT_8812(pDesc, 5); SET_TX_DESC_RETRY_LIMIT_ENABLE_8812(pDesc, 1); if(IsMgntNDPA(VirtualAddress)) { SET_TX_DESC_NDPA_8812(pDesc, 1); SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb)); } else { SET_TX_DESC_NDPA_8812(pDesc, 2); SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb)); } }*/ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len)); SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(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 == true) { 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: RT_ASSERT(false, ("ERR txdesc :%d" " not process\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: RT_ASSERT(false, ("ERR rxdesc :%d " "not process\n", desc_name)); break; } } } u32 rtl8821ae_get_desc(u8 *pdesc, bool istx, u8 desc_name) { u32 ret = 0; if (istx == true) { 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: RT_ASSERT(false, ("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; default: RT_ASSERT(false, ("ERR rxdesc :%d " "not process\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(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; else 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)); } }