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path: root/drivers/net/wireless/rtlwifi/rtl8723be/trx.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723be/trx.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8723be/trx.c960
1 files changed, 960 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/trx.c b/drivers/net/wireless/rtlwifi/rtl8723be/trx.c
new file mode 100644
index 000000000000..e0a0d8c8fed5
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8723be/trx.c
@@ -0,0 +1,960 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2014 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"
+
+static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
+{
+ __le16 fc = rtl_get_fc(skb);
+
+ if (unlikely(ieee80211_is_beacon(fc)))
+ return QSLT_BEACON;
+ if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
+ return QSLT_MGNT;
+
+ return skb->priority;
+}
+
+/* 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,
+ * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11,
+ *
+ * N rate:
+ * (rx_status->flag & RX_FLAG_HT) = 1,
+ * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
+ *
+ * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
+ * A rate:
+ * (rx_status->flag & RX_FLAG_HT) = 0,
+ * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7,
+ *
+ * N rate:
+ * (rx_status->flag & RX_FLAG_HT) = 1,
+ * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
+ */
+static int _rtl8723be_rate_mapping(struct ieee80211_hw *hw,
+ bool isht, u8 desc_rate)
+{
+ int rate_idx;
+
+ if (!isht) {
+ if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
+ switch (desc_rate) {
+ case DESC92C_RATE1M:
+ rate_idx = 0;
+ break;
+ case DESC92C_RATE2M:
+ rate_idx = 1;
+ break;
+ case DESC92C_RATE5_5M:
+ rate_idx = 2;
+ break;
+ case DESC92C_RATE11M:
+ rate_idx = 3;
+ break;
+ case DESC92C_RATE6M:
+ rate_idx = 4;
+ break;
+ case DESC92C_RATE9M:
+ rate_idx = 5;
+ break;
+ case DESC92C_RATE12M:
+ rate_idx = 6;
+ break;
+ case DESC92C_RATE18M:
+ rate_idx = 7;
+ break;
+ case DESC92C_RATE24M:
+ rate_idx = 8;
+ break;
+ case DESC92C_RATE36M:
+ rate_idx = 9;
+ break;
+ case DESC92C_RATE48M:
+ rate_idx = 10;
+ break;
+ case DESC92C_RATE54M:
+ rate_idx = 11;
+ break;
+ default:
+ rate_idx = 0;
+ break;
+ }
+ } else {
+ switch (desc_rate) {
+ case DESC92C_RATE6M:
+ rate_idx = 0;
+ break;
+ case DESC92C_RATE9M:
+ rate_idx = 1;
+ break;
+ case DESC92C_RATE12M:
+ rate_idx = 2;
+ break;
+ case DESC92C_RATE18M:
+ rate_idx = 3;
+ break;
+ case DESC92C_RATE24M:
+ rate_idx = 4;
+ break;
+ case DESC92C_RATE36M:
+ rate_idx = 5;
+ break;
+ case DESC92C_RATE48M:
+ rate_idx = 6;
+ break;
+ case DESC92C_RATE54M:
+ rate_idx = 7;
+ break;
+ default:
+ rate_idx = 0;
+ break;
+ }
+ }
+ } else {
+ switch (desc_rate) {
+ case DESC92C_RATEMCS0:
+ rate_idx = 0;
+ break;
+ case DESC92C_RATEMCS1:
+ rate_idx = 1;
+ break;
+ case DESC92C_RATEMCS2:
+ rate_idx = 2;
+ break;
+ case DESC92C_RATEMCS3:
+ rate_idx = 3;
+ break;
+ case DESC92C_RATEMCS4:
+ rate_idx = 4;
+ break;
+ case DESC92C_RATEMCS5:
+ rate_idx = 5;
+ break;
+ case DESC92C_RATEMCS6:
+ rate_idx = 6;
+ break;
+ case DESC92C_RATEMCS7:
+ rate_idx = 7;
+ break;
+ case DESC92C_RATEMCS8:
+ rate_idx = 8;
+ break;
+ case DESC92C_RATEMCS9:
+ rate_idx = 9;
+ break;
+ case DESC92C_RATEMCS10:
+ rate_idx = 10;
+ break;
+ case DESC92C_RATEMCS11:
+ rate_idx = 11;
+ break;
+ case DESC92C_RATEMCS12:
+ rate_idx = 12;
+ break;
+ case DESC92C_RATEMCS13:
+ rate_idx = 13;
+ break;
+ case DESC92C_RATEMCS14:
+ rate_idx = 14;
+ break;
+ case DESC92C_RATEMCS15:
+ rate_idx = 15;
+ break;
+ default:
+ rate_idx = 0;
+ break;
+ }
+ }
+ return rate_idx;
+}
+
+static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
+ struct rtl_stats *pstatus, u8 *pdesc,
+ struct rx_fwinfo_8723be *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_8723e_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 is_cck = pstatus->is_cck;
+ u8 lan_idx, vga_idx;
+
+ /* Record it for next packet processing */
+ pstatus->packet_matchbssid = packet_match_bssid;
+ pstatus->packet_toself = packet_toself;
+ pstatus->packet_beacon = packet_beacon;
+ pstatus->rx_mimo_sig_qual[0] = -1;
+ pstatus->rx_mimo_sig_qual[1] = -1;
+
+ if (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_8723e_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)/*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);
+ /* 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) {
+ 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 (packet_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_sig_qual[0] = sq;
+ pstatus->rx_mimo_sig_qual[1] = -1;
+ }
+ } else {
+ rtlpriv->dm.rfpath_rxenable[0] = true;
+ rtlpriv->dm.rfpath_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.rfpath_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 (packet_match_bssid)
+ pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
+ }
+
+ /* (2)PWDB, Avg 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 >= DESC92C_RATEMCS8 &&
+ pstatus->rate <= DESC92C_RATEMCS15)
+ max_spatial_stream = 2;
+ else
+ max_spatial_stream = 1;
+
+ for (i = 0; i < max_spatial_stream; i++) {
+ evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
+
+ if (packet_match_bssid) {
+ /* Fill value in RFD, Get the first
+ * spatial stream only
+ */
+ if (i == 0)
+ pstatus->signalquality =
+ (u8) (evm & 0xff);
+ pstatus->rx_mimo_sig_qual[i] =
+ (u8) (evm & 0xff);
+ }
+ }
+ if (packet_match_bssid) {
+ for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
+ rtl_priv(hw)->dm.cfo_tail[i] =
+ (char)p_phystrpt->path_cfotail[i];
+
+ rtl_priv(hw)->dm.packet_count++;
+ if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
+ rtl_priv(hw)->dm.packet_count = 0;
+ }
+ }
+
+ /* 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->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;
+}
+
+static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct rtl_stats *pstatus,
+ u8 *pdesc,
+ struct rx_fwinfo_8723be *p_drvinfo)
+{
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+ struct ieee80211_hdr *hdr;
+ u8 *tmp_buf;
+ u8 *praddr;
+ u8 *psaddr;
+ u16 fc, type;
+ bool packet_matchbssid, packet_toself, packet_beacon;
+
+ tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
+
+ hdr = (struct ieee80211_hdr *)tmp_buf;
+ fc = le16_to_cpu(hdr->frame_control);
+ type = WLAN_FC_GET_TYPE(hdr->frame_control);
+ praddr = hdr->addr1;
+ psaddr = ieee80211_get_SA(hdr);
+ memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
+
+ packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
+ (!ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
+ hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
+ hdr->addr2 : hdr->addr3)) &&
+ (!pstatus->hwerror) &&
+ (!pstatus->crc) && (!pstatus->icv));
+
+ packet_toself = packet_matchbssid &&
+ (!ether_addr_equal(praddr, rtlefuse->dev_addr));
+
+ /* YP: packet_beacon is not initialized,
+ * this assignment is neccesary,
+ * otherwise it counld be true in this case
+ * the situation is much worse in Kernel 3.10
+ */
+ if (ieee80211_is_beacon(hdr->frame_control))
+ packet_beacon = true;
+ else
+ packet_beacon = false;
+
+ if (packet_beacon && packet_matchbssid)
+ rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
+
+ _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
+ packet_matchbssid,
+ packet_toself,
+ packet_beacon);
+
+ rtl_process_phyinfo(hw, tmp_buf, pstatus);
+}
+
+static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
+ 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 rtl8723be_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_8723be *p_drvinfo;
+ struct ieee80211_hdr *hdr;
+
+ u32 phystatus = GET_RX_DESC_PHYST(pdesc);
+ status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
+ if (status->packet_report_type == TX_REPORT2)
+ status->length = (u16) GET_RX_RPT2_DESC_PKT_LEN(pdesc);
+ else
+ 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);
+ if (status->packet_report_type == NORMAL_RX)
+ status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
+ status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
+ status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
+
+ status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
+
+ status->macid = GET_RX_DESC_MACID(pdesc);
+ if (GET_RX_STATUS_DESC_MAGIC_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_is40Mhzpacket)
+ rx_status->flag |= RX_FLAG_40MHZ;
+
+ if (status->is_ht)
+ rx_status->flag |= RX_FLAG_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 (!hdr) {
+ WARN_ON_ONCE(true);
+ pr_err("decrypted is true but hdr NULL in 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 = _rtl8723be_rate_mapping(hw, status->is_ht,
+ status->rate);
+
+ rx_status->mactime = status->timestamp_low;
+ if (phystatus) {
+ p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
+ status->rx_bufshift);
+
+ _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
+ pdesc, p_drvinfo);
+ }
+
+ /*rx_status->qual = status->signal; */
+ rx_status->signal = status->recvsignalpower + 10;
+ if (status->packet_report_type == TX_REPORT2) {
+ status->macid_valid_entry[0] =
+ GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
+ status->macid_valid_entry[1] =
+ GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
+ }
+ return true;
+}
+
+void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
+ struct ieee80211_hdr *hdr, u8 *pdesc_tx,
+ 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);
+ u8 *pdesc = pdesc_tx;
+ u16 seq_number;
+ __le16 fc = hdr->frame_control;
+ unsigned int buf_len = 0;
+ unsigned int skb_len = skb->len;
+ u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
+ bool firstseg = ((hdr->seq_ctrl &
+ cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
+ bool lastseg = ((hdr->frame_control &
+ cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
+ dma_addr_t mapping;
+ u8 bw_40 = 0;
+ u8 short_gi = 0;
+
+ if (mac->opmode == NL80211_IFTYPE_STATION) {
+ bw_40 = mac->bw_40;
+ } else if (mac->opmode == NL80211_IFTYPE_AP ||
+ mac->opmode == NL80211_IFTYPE_ADHOC) {
+ if (sta)
+ bw_40 = sta->ht_cap.cap &
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ }
+ seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+ rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
+ /* reserve 8 byte for AMPDU early mode */
+ if (rtlhal->earlymode_enable) {
+ skb_push(skb, EM_HDR_LEN);
+ memset(skb->data, 0, EM_HDR_LEN);
+ }
+ buf_len = skb->len;
+ mapping = 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_8723be));
+ if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
+ firstseg = true;
+ lastseg = true;
+ }
+ if (firstseg) {
+ if (rtlhal->earlymode_enable) {
+ SET_TX_DESC_PKT_OFFSET(pdesc, 1);
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
+ EM_HDR_LEN);
+ if (ptcb_desc->empkt_num) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "Insert 8 byte.pTcb->EMPktNum:%d\n",
+ ptcb_desc->empkt_num);
+ _rtl8723be_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 > DESC92C_RATEMCS0)
+ short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
+ else
+ short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
+
+ SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ SET_TX_DESC_AGG_ENABLE(pdesc, 1);
+ SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
+ }
+ SET_TX_DESC_SEQ(pdesc, seq_number);
+ SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
+ !ptcb_desc->cts_enable) ?
+ 1 : 0));
+ SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
+ SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
+ 1 : 0));
+
+ SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
+
+ SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
+ SET_TX_DESC_RTS_SHORT(pdesc,
+ ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
+ (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
+ (ptcb_desc->rts_use_shortgi ? 1 : 0)));
+
+ if (ptcb_desc->btx_enable_sw_calc_duration)
+ SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
+
+ 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 =
+ 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);
+ SET_TX_DESC_RATE_ID(pdesc, 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);
+ }
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
+}
+
+void rtl8723be_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(rtlpriv, COMP_SEND, DBG_TRACE,
+ "DMA mapping error");
+ return;
+ }
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
+
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+
+ SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
+
+ SET_TX_DESC_SEQ(pdesc, 0);
+
+ SET_TX_DESC_LINIP(pdesc, 0);
+
+ SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
+
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
+
+ SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
+
+ SET_TX_DESC_RATE_ID(pdesc, 0);
+ SET_TX_DESC_MACID(pdesc, 0);
+
+ SET_TX_DESC_OWN(pdesc, 1);
+
+ SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
+
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+ SET_TX_DESC_USE_RATE(pdesc, 1);
+}
+
+void rtl8723be_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 rtl8723be_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;
+ default:
+ RT_ASSERT(false, "ERR rxdesc :%d not process\n",
+ desc_name);
+ break;
+ }
+ }
+ return ret;
+}
+
+bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
+ u8 hw_queue, u16 index)
+{
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
+ u8 *entry = (u8 *)(&ring->desc[ring->idx]);
+ u8 own = (u8) rtl8723be_get_desc(entry, true, HW_DESC_OWN);
+
+ /*beacon packet will only use the first
+ *descriptor by default, and the own may not
+ *be cleared by the hardware
+ */
+ if (own)
+ return false;
+ else
+ return true;
+}
+
+void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ if (hw_queue == BEACON_QUEUE) {
+ rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
+ } else {
+ rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
+ BIT(0) << (hw_queue));
+ }
+}