--- /dev/null
+/******************************************************************************
+ *
+ * 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#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"
+#include "fw.h"
+
+static u8 _rtl8821ae_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 u16 odm_cfo(char value)
+{
+ int ret_val;
+
+ if (value < 0) {
+ ret_val = 0 - value;
+ ret_val = (ret_val << 1) + (ret_val >> 1);
+ /* set bit12 as 1 for negative cfo */
+ ret_val = ret_val | BIT(12);
+ } else {
+ ret_val = value;
+ ret_val = (ret_val << 1) + (ret_val >> 1);
+ }
+ return ret_val;
+}
+
+static u8 _rtl8821ae_evm_dbm_jaguar(char value)
+{
+ char ret_val = value;
+
+ /* -33dB~0dB to 33dB ~ 0dB*/
+ if (ret_val == -128)
+ ret_val = 127;
+ else if (ret_val < 0)
+ ret_val = 0 - ret_val;
+
+ ret_val = ret_val >> 1;
+ return ret_val;
+}
+
+static void 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 packet_beacon)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
+ struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
+ struct rtl_phy *rtlphy = &rtlpriv->phy;
+ char rx_pwr_all = 0, rx_pwr[4];
+ u8 rf_rx_num = 0, evm, evmdbm, 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_agc_rpt = p_phystrpt->cfosho[0];
+
+ /* (1)Hardware does not provide RSSI for CCK
+ * (2)PWDB, Average PWDB cacluated by
+ * hardware (for rate adaptive)
+ */
+ cck_highpwr = (u8)rtlphy->cck_high_power;
+
+ lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
+ vga_idx = (cck_agc_rpt & 0x1f);
+ if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) {
+ switch (lan_idx) {
+ case 7:
+ if (vga_idx <= 27)
+ /*VGA_idx = 27~2*/
+ 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:
+ if (cck_highpwr)
+ /*VGA_idx = 5~0*/
+ 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:
+ break;
+ }
+ rx_pwr_all += 6;
+ 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;
+ }
+ } else { /* 8821 */
+ char pout = -6;
+
+ switch (lan_idx) {
+ case 5:
+ rx_pwr_all = pout - 32 - (2*vga_idx);
+ break;
+ case 4:
+ rx_pwr_all = pout - 24 - (2*vga_idx);
+ break;
+ case 2:
+ rx_pwr_all = pout - 11 - (2*vga_idx);
+ break;
+ case 1:
+ rx_pwr_all = pout + 5 - (2*vga_idx);
+ break;
+ case 0:
+ rx_pwr_all = pout + 21 - (2*vga_idx);
+ break;
+ }
+ pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
+ }
+
+ 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 = p_phystrpt->pwdb_all;
+ 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 {
+ /* (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->gain_trsw[i] & 0x7f) - 110;
+
+ /* Translate DBM to percentage. */
+ rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
+ total_rssi += rssi;
+
+ /* Get Rx snr value in DB */
+ pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2;
+ rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2;
+
+ pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]);
+ pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]);
+ /* Record Signal Strength for next packet */
+ 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->is_ht && pstatus->rate >= DESC_RATEMCS8 &&
+ pstatus->rate <= DESC_RATEMCS15) ||
+ (pstatus->is_vht &&
+ pstatus->rate >= DESC_RATEVHT2SS_MCS0 &&
+ pstatus->rate <= DESC_RATEVHT2SS_MCS9))
+ 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->rxevm[i]);
+ evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]);
+
+ if (bpacket_match_bssid) {
+ /* Fill value in RFD, Get the first
+ * spatial stream only
+ */
+ if (i == 0)
+ pstatus->signalquality = evm;
+ pstatus->rx_mimo_signalquality[i] = evm;
+ pstatus->rx_mimo_evm_dbm[i] = evmdbm;
+ }
+ }
+ if (bpacket_match_bssid) {
+ for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
+ rtl_priv(hw)->dm.cfo_tail[i] =
+ (char)p_phystrpt->cfotail[i];
+
+ 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));
+ /*HW antenna diversity*/
+ rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta;
+ rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb;
+}
+
+static void 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;
+ __le16 fc;
+ u16 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 = hdr->frame_control;
+ type = WLAN_FC_GET_TYPE(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(hdr->frame_control))
+ 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++;
+ }
+
+ query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
+ packet_matchbssid, packet_toself,
+ 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);
+}
+
+static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 rx_rate = 0;
+
+ rx_rate = GET_RX_DESC_RXMCS(pdesc);
+
+ RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
+
+ if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15))
+ return true;
+ return false;
+}
+
+static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, u8 *pdesc)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 rx_rate = 0;
+
+ rx_rate = GET_RX_DESC_RXMCS(pdesc);
+
+ RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
+
+ if (rx_rate >= DESC_RATEVHT1SS_MCS0)
+ return true;
+ return false;
+}
+
+static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc)
+{
+ u8 rx_rate = 0;
+ u8 vht_nss = 0;
+
+ rx_rate = GET_RX_DESC_RXMCS(pdesc);
+ if ((rx_rate >= DESC_RATEVHT1SS_MCS0) &&
+ (rx_rate <= DESC_RATEVHT1SS_MCS9))
+ vht_nss = 1;
+ else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&
+ (rx_rate <= DESC_RATEVHT2SS_MCS9))
+ vht_nss = 2;
+
+ return vht_nss;
+}
+
+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->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_packet_bw = GET_RX_DESC_BW(pdesc);
+ status->macid = GET_RX_DESC_MACID(pdesc);
+ status->is_short_gi = !(bool)GET_RX_DESC_SPLCP(pdesc);
+ status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc);
+ status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc);
+ status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc);
+ status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate);
+
+ RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
+ "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n",
+ (status->rx_packet_bw == 2) ? "80M" :
+ (status->rx_packet_bw == 1) ? "40M" : "20M",
+ status->is_ht, status->is_vht, status->vht_nss,
+ status->is_short_gi);
+
+ 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(rtlpriv, COMP_RXDESC, DBG_LOUD,
+ "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
+ status->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_packet_bw == HT_CHANNEL_WIDTH_20_40)
+ rx_status->flag |= RX_FLAG_40MHZ;
+ else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
+ rx_status->vht_flag |= RX_VHT_FLAG_80MHZ;
+ if (status->is_ht)
+ rx_status->flag |= RX_FLAG_HT;
+ if (status->is_vht)
+ rx_status->flag |= RX_FLAG_VHT;
+
+ if (status->is_short_gi)
+ rx_status->flag |= RX_FLAG_SHORT_GI;
+
+ rx_status->vht_nss = status->vht_nss;
+ 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,
+ status->is_vht,
+ status->rate);
+
+ rx_status->mactime = status->timestamp_low;
+ if (phystatus) {
+ p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
+ status->rx_bufshift);
+
+ 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;
+}
+
+static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw,
+ struct rtl_tcb_desc *ptcb_desc)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &rtlpriv->phy;
+ u8 bw_setting_of_desc = 0;
+
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "rtl8821ae_bw_mapping, current_chan_bw %d, packet_bw %d\n",
+ rtlphy->current_chan_bw, ptcb_desc->packet_bw);
+
+ if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
+ if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
+ bw_setting_of_desc = 2;
+ else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)
+ bw_setting_of_desc = 1;
+ else
+ bw_setting_of_desc = 0;
+ } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
+ if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) ||
+ (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80))
+ bw_setting_of_desc = 1;
+ else
+ bw_setting_of_desc = 0;
+ } else {
+ bw_setting_of_desc = 0;
+ }
+ return bw_setting_of_desc;
+}
+
+static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw,
+ struct rtl_tcb_desc *ptcb_desc)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &rtlpriv->phy;
+ struct rtl_mac *mac = rtl_mac(rtlpriv);
+ u8 sc_setting_of_desc = 0;
+
+ if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
+ if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {
+ sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
+ } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
+ if (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER)
+ sc_setting_of_desc =
+ VHT_DATA_SC_40_LOWER_OF_80MHZ;
+ else if (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER)
+ sc_setting_of_desc =
+ VHT_DATA_SC_40_UPPER_OF_80MHZ;
+ else
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
+ "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n");
+ } else {
+ if ((mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER) &&
+ (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER))
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_LOWEST_OF_80MHZ;
+ else if ((mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER) &&
+ (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER))
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_LOWER_OF_80MHZ;
+ else if ((mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER) &&
+ (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER))
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_UPPER_OF_80MHZ;
+ else if ((mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER) &&
+ (mac->cur_80_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER))
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_UPPERST_OF_80MHZ;
+ else
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
+ "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n");
+ }
+ } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
+ if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
+ sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
+ } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {
+ if (mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_UPPER) {
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_UPPER_OF_80MHZ;
+ } else if (mac->cur_40_prime_sc ==
+ HAL_PRIME_CHNL_OFFSET_LOWER){
+ sc_setting_of_desc =
+ VHT_DATA_SC_20_LOWER_OF_80MHZ;
+ } else {
+ sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
+ }
+ }
+ } else {
+ sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
+ }
+
+ return sc_setting_of_desc;
+}
+
+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)
+{
+ 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);
+ u8 *pdesc = (u8 *)pdesc_tx;
+ u16 seq_number;
+ __le16 fc = 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 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 short_gi = 0;
+
+ 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");
+ return;
+ }
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae));
+ 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_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, 0x1f);
+ }
+ 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);
+
+ SET_TX_DESC_DATA_BW(pdesc,
+ rtl8821ae_bw_mapping(hw, ptcb_desc));
+
+ SET_TX_DESC_TX_SUB_CARRIER(pdesc,
+ rtl8821ae_sc_mapping(hw, ptcb_desc));
+
+ 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;
+ 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);
+
+ 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) { */
+ 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);
+ }
+
+ rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
+}
+
+void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
+ u8 *pdesc, 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 = 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");
+ 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);
+
+ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
+
+ SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, 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) {
+ 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) {
+ 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;
+ case HW_DESC_RXBUFF_ADDR:
+ ret = GET_RX_DESC_BUFF_ADDR(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;
+ 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));
+ }
+}
+
+u32 rtl8821ae_rx_command_packet(struct ieee80211_hw *hw,
+ struct rtl_stats status,
+ struct sk_buff *skb)
+{
+ u32 result = 0;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ switch (status.packet_report_type) {
+ case NORMAL_RX:
+ result = 0;
+ break;
+ case C2H_PACKET:
+ rtl8821ae_c2h_packet_handler(hw, skb->data, (u8)skb->len);
+ result = 1;
+ RT_TRACE(rtlpriv, COMP_RECV, DBG_LOUD,
+ "skb->len=%d\n\n", skb->len);
+ break;
+ default:
+ RT_TRACE(rtlpriv, COMP_RECV, DBG_LOUD,
+ "No this packet type!!\n");
+ break;
+ }
+
+ return result;
+}
Code Review / kvmfornfv.git / blobdiff