diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c | 1045 |
1 files changed, 1045 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c new file mode 100644 index 0000000000..a182cdeb58 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c @@ -0,0 +1,1045 @@ +// 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 _rtl92ee_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 _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw, + struct rtl_stats *pstatus, u8 *pdesc, + struct rx_fwinfo *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, 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_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) + */ + cck_highpwr = (u8)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) { + case 7: /*VGA_idx = 27~2*/ + if (vga_idx <= 27) + 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: /*VGA_idx = 5~0*/ + if (cck_highpwr) + 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: + rx_pwr_all = 0; + break; + } + rx_pwr_all += 16; + pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); + + 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->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); + pstatus->rx_pwdb_all = pwdb_all; + pstatus->bt_rx_rssi_percentage = pwdb_all; + pstatus->rxpower = rx_pwr_all; + pstatus->recvsignalpower = rx_pwr_all; + + /* (3)EVM of HT rate */ + if (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_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 _rtl92ee_translate_rx_signal_stuff(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct rtl_stats *pstatus, + u8 *pdesc, + struct rx_fwinfo *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 + 24; + + hdr = (struct ieee80211_hdr *)tmp_buf; + fc = hdr->frame_control; + praddr = hdr->addr1; + psaddr = ieee80211_get_SA(hdr); + ether_addr_copy(pstatus->psaddr, psaddr); + + 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(fc)) + packet_beacon = true; + else + packet_beacon = false; + + if (packet_beacon && packet_matchbssid) + rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; + + if (packet_matchbssid && ieee80211_is_data_qos(hdr->frame_control) && + !is_multicast_ether_addr(ieee80211_get_DA(hdr))) { + struct ieee80211_qos_hdr *hdr_qos = + (struct ieee80211_qos_hdr *)tmp_buf; + u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf; + + if (tid != 0 && tid != 3) + rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++; + } + + _rtl92ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, + packet_matchbssid, packet_toself, + packet_beacon); + rtl_process_phyinfo(hw, tmp_buf, pstatus); +} + +static void _rtl92ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, + u8 *virtualaddress8) +{ + u32 dwtmp; + __le32 *virtualaddress = (__le32 *)virtualaddress8; + + 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 rtl92ee_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 *p_drvinfo; + struct ieee80211_hdr *hdr; + __le32 *pdesc = (__le32 *)pdesc8; + u32 phystatus = get_rx_desc_physt(pdesc); + u8 wake_match; + + if (get_rx_status_desc_rpt_sel(pdesc) == 0) + status->packet_report_type = NORMAL_RX; + else + status->packet_report_type = C2H_PACKET; + 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->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); + status->timestamp_low = get_rx_desc_tsfl(pdesc); + status->is_cck = RTL92EE_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 + 24); + + 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) { + p_drvinfo = (struct rx_fwinfo *)(skb->data + + status->rx_bufshift + 24); + + _rtl92ee_translate_rx_signal_stuff(hw, skb, status, pdesc8, + 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; +} + +/*in Windows, this == Rx_92EE_Interrupt*/ +void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc8, + u8 queue_index) +{ + u8 first_seg = 0; + u8 last_seg = 0; + u16 total_len = 0; + u16 read_cnt = 0; + __le32 *header_desc = (__le32 *)header_desc8; + + if (header_desc == NULL) + return; + + total_len = (u16)get_rx_buffer_desc_total_length(header_desc); + + first_seg = (u8)get_rx_buffer_desc_fs(header_desc); + + last_seg = (u8)get_rx_buffer_desc_ls(header_desc); + + while (total_len == 0 && first_seg == 0 && last_seg == 0) { + read_cnt++; + total_len = (u16)get_rx_buffer_desc_total_length(header_desc); + first_seg = (u8)get_rx_buffer_desc_fs(header_desc); + last_seg = (u8)get_rx_buffer_desc_ls(header_desc); + + if (read_cnt > 20) + break; + } +} + +u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index) +{ + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + u16 read_point, write_point, remind_cnt; + u32 tmp_4byte; + static bool start_rx; + + tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX); + read_point = (u16)((tmp_4byte>>16) & 0x7ff); + write_point = (u16)(tmp_4byte & 0x7ff); + + if (write_point != rtlpci->rx_ring[queue_index].next_rx_rp) { + rtl_dbg(rtlpriv, COMP_RXDESC, DBG_DMESG, + "!!!write point is 0x%x, reg 0x3B4 value is 0x%x\n", + write_point, tmp_4byte); + tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX); + read_point = (u16)((tmp_4byte>>16) & 0x7ff); + write_point = (u16)(tmp_4byte & 0x7ff); + } + + if (read_point > 0) + start_rx = true; + if (!start_rx) + return 0; + + remind_cnt = calc_fifo_space(read_point, write_point, + RTL_PCI_MAX_RX_COUNT); + + if (remind_cnt == 0) + return 0; + + rtlpci->rx_ring[queue_index].next_rx_rp = write_point; + + return remind_cnt; +} + +static u16 get_desc_addr_fr_q_idx(u16 queue_index) +{ + u16 desc_address; + + switch (queue_index) { + case BK_QUEUE: + desc_address = REG_BKQ_TXBD_IDX; + break; + case BE_QUEUE: + desc_address = REG_BEQ_TXBD_IDX; + break; + case VI_QUEUE: + desc_address = REG_VIQ_TXBD_IDX; + break; + case VO_QUEUE: + desc_address = REG_VOQ_TXBD_IDX; + break; + case BEACON_QUEUE: + desc_address = REG_BEQ_TXBD_IDX; + break; + case TXCMD_QUEUE: + desc_address = REG_BEQ_TXBD_IDX; + break; + case MGNT_QUEUE: + desc_address = REG_MGQ_TXBD_IDX; + break; + case HIGH_QUEUE: + desc_address = REG_HI0Q_TXBD_IDX; + break; + case HCCA_QUEUE: + desc_address = REG_BEQ_TXBD_IDX; + break; + default: + desc_address = REG_BEQ_TXBD_IDX; + break; + } + return desc_address; +} + +u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u16 point_diff = 0; + u16 current_tx_read_point, current_tx_write_point; + u32 tmp_4byte; + + tmp_4byte = rtl_read_dword(rtlpriv, + get_desc_addr_fr_q_idx(q_idx)); + current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff); + current_tx_write_point = (u16)((tmp_4byte) & 0x0fff); + + point_diff = calc_fifo_space(current_tx_read_point, + current_tx_write_point, + TX_DESC_NUM_92E); + + return point_diff; +} + +void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw, + u8 *tx_bd_desc8, u8 *desc8, u8 queue_index, + struct sk_buff *skb, dma_addr_t addr) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + u32 pkt_len = skb->len; + u16 desc_size = 40; /*tx desc size*/ + u32 psblen = 0; + u16 tx_page_size; + u32 total_packet_size; + u16 current_bd_desc; + u8 i; + u16 real_desc_size = 0x28; + u16 append_early_mode_size = 0; + u8 segmentnum = 1 << (RTL8192EE_SEG_NUM + 1); + dma_addr_t desc_dma_addr; + bool dma64 = rtlpriv->cfg->mod_params->dma64; + __le32 *desc = (__le32 *)desc8; + __le32 *tx_bd_desc = (__le32 *)tx_bd_desc8; + + tx_page_size = 2; + current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp; + + total_packet_size = desc_size+pkt_len; + + if (rtlpriv->rtlhal.earlymode_enable) { + if (queue_index < BEACON_QUEUE) { + append_early_mode_size = 8; + total_packet_size += append_early_mode_size; + } + } + + if (tx_page_size > 0) { + psblen = (pkt_len + real_desc_size + append_early_mode_size) / + (tx_page_size * 128); + + if (psblen * (tx_page_size * 128) < total_packet_size) + psblen += 1; + } + + /* tx desc addr */ + desc_dma_addr = rtlpci->tx_ring[queue_index].dma + + (current_bd_desc * TX_DESC_SIZE); + + /* Reset */ + set_tx_buff_desc_len_0(tx_bd_desc, 0); + set_tx_buff_desc_psb(tx_bd_desc, 0); + set_tx_buff_desc_own(tx_bd_desc, 0); + + for (i = 1; i < segmentnum; i++) { + set_txbuffer_desc_len_with_offset(tx_bd_desc, i, 0); + set_txbuffer_desc_amsdu_with_offset(tx_bd_desc, i, 0); + set_txbuffer_desc_add_low_with_offset(tx_bd_desc, i, 0); + set_txbuffer_desc_add_high_with_offset(tx_bd_desc, i, 0, dma64); + } + + /* Clear all status */ + clear_pci_tx_desc_content(desc, TX_DESC_SIZE); + + if (rtlpriv->rtlhal.earlymode_enable) { + if (queue_index < BEACON_QUEUE) { + /* This if needs braces */ + set_tx_buff_desc_len_0(tx_bd_desc, desc_size + 8); + } else { + set_tx_buff_desc_len_0(tx_bd_desc, desc_size); + } + } else { + set_tx_buff_desc_len_0(tx_bd_desc, desc_size); + } + set_tx_buff_desc_psb(tx_bd_desc, psblen); + set_tx_buff_desc_addr_low_0(tx_bd_desc, desc_dma_addr); + set_tx_buff_desc_addr_high_0(tx_bd_desc, ((u64)desc_dma_addr >> 32), + dma64); + + set_txbuffer_desc_len_with_offset(tx_bd_desc, 1, pkt_len); + /* don't using extendsion mode. */ + set_txbuffer_desc_amsdu_with_offset(tx_bd_desc, 1, 0); + set_txbuffer_desc_add_low_with_offset(tx_bd_desc, 1, addr); + set_txbuffer_desc_add_high_with_offset(tx_bd_desc, 1, + ((u64)addr >> 32), dma64); + + set_tx_desc_pkt_size(desc, (u16)(pkt_len)); + set_tx_desc_tx_buffer_size(desc, (u16)(pkt_len)); +} + +void rtl92ee_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 rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); + u16 seq_number; + __le16 fc = hdr->frame_control; + u8 fw_qsel = _rtl92ee_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; + __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->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); + } + 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; + } + + if (pbd_desc_tx != NULL) + rtl92ee_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc8, hw_queue, + skb, mapping); + + 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); + _rtl92ee_insert_emcontent(ptcb_desc, + (u8 *)(skb->data)); + } + } else { + set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); + } + + + set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); + + if (ieee80211_is_mgmt(fc)) { + ptcb_desc->use_driver_rate = true; + } else { + if (rtlpriv->ra.is_special_data) { + ptcb_desc->use_driver_rate = true; + set_tx_desc_tx_rate(pdesc, DESC_RATE11M); + } else { + ptcb_desc->use_driver_rate = false; + } + } + + 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 <= DESC_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); + 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 *key = info->control.hw_key; + + switch (key->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); + } + } + /* 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_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); + } + + 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 rtl92ee_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; + dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, + skb->len, DMA_TO_DEVICE); + u8 txdesc_len = 40; + __le32 *pdesc = (__le32 *)pdesc8; + + 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, txdesc_len); + + if (firstseg) + set_tx_desc_offset(pdesc, txdesc_len); + + 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_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, 40); + + set_tx_desc_use_rate(pdesc, 1); + + RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, + "H2C Tx Cmd Content\n", pdesc, txdesc_len); +} + +void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx, + u8 desc_name, u8 *val) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 q_idx = *val; + bool dma64 = rtlpriv->cfg->mod_params->dma64; + __le32 *pdesc = (__le32 *)pdesc8; + + if (istx) { + switch (desc_name) { + case HW_DESC_TX_NEXTDESC_ADDR: + set_tx_desc_next_desc_address(pdesc, *(u32 *)val); + break; + case HW_DESC_OWN:{ + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx]; + u16 max_tx_desc = ring->entries; + + if (q_idx == BEACON_QUEUE) { + ring->cur_tx_wp = 0; + ring->cur_tx_rp = 0; + set_tx_buff_desc_own(pdesc, 1); + return; + } + + /* make sure tx desc is available by caller */ + ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc); + + rtl_write_word(rtlpriv, + get_desc_addr_fr_q_idx(q_idx), + ring->cur_tx_wp); + } + break; + } + } else { + switch (desc_name) { + case HW_DESC_RX_PREPARE: + set_rx_buffer_desc_ls(pdesc, 0); + set_rx_buffer_desc_fs(pdesc, 0); + set_rx_buffer_desc_total_length(pdesc, 0); + + set_rx_buffer_desc_data_length(pdesc, + MAX_RECEIVE_BUFFER_SIZE + + RX_DESC_SIZE); + + set_rx_buffer_physical_low(pdesc, (*(dma_addr_t *)val) & + DMA_BIT_MASK(32)); + set_rx_buffer_physical_high(pdesc, + ((u64)(*(dma_addr_t *)val) + >> 32), + dma64); + break; + case HW_DESC_RXERO: + set_rx_desc_eor(pdesc, 1); + break; + default: + WARN_ONCE(true, + "rtl8192ee: ERR rxdesc :%d not processed\n", + desc_name); + break; + } + } +} + +u64 rtl92ee_get_desc(struct ieee80211_hw *hw, + u8 *pdesc8, bool istx, u8 desc_name) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u64 ret = 0; + bool dma64 = rtlpriv->cfg->mod_params->dma64; + __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_txbuffer_desc_addr_low(pdesc, 1); + ret |= (u64)get_txbuffer_desc_addr_high(pdesc, 1, + dma64) << 32; + break; + default: + WARN_ONCE(true, + "rtl8192ee: 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, + "rtl8192ee: ERR rxdesc :%d not processed\n", + desc_name); + break; + } + } + return ret; +} + +bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) +{ + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + u16 read_point, write_point; + bool ret = false; + struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; + + { + u16 cur_tx_rp; + u32 tmpu32; + + tmpu32 = + rtl_read_dword(rtlpriv, + get_desc_addr_fr_q_idx(hw_queue)); + cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff); + + /* don't need to update ring->cur_tx_wp */ + ring->cur_tx_rp = cur_tx_rp; + } + + read_point = ring->cur_tx_rp; + write_point = ring->cur_tx_wp; + + if (write_point > read_point) { + if (index < write_point && index >= read_point) + ret = false; + else + ret = true; + } else if (write_point < read_point) { + if (index > write_point && index < read_point) + ret = true; + else + ret = false; + } else { + if (index != read_point) + ret = true; + } + + if (hw_queue == BEACON_QUEUE) + ret = true; + + if (rtlpriv->rtlhal.driver_is_goingto_unload || + rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS) + ret = true; + + return ret; +} + +void rtl92ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) +{ +} |