| /****************************************************************************** |
| * |
| * Copyright(c) 2009-2012 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 <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 "reg.h" |
| #include "def.h" |
| #include "phy.h" |
| #include "fw.h" |
| #include "trx.h" |
| #include "led.h" |
| |
| static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue) |
| { |
| __le16 fc = rtl_get_fc(skb); |
| |
| if (unlikely(ieee80211_is_beacon(fc))) |
| return QSLT_BEACON; |
| if (ieee80211_is_mgmt(fc)) |
| return QSLT_MGNT; |
| if (ieee80211_is_nullfunc(fc)) |
| return QSLT_HIGH; |
| |
| return skb->priority; |
| } |
| |
| static u8 _rtl92s_query_rxpwrpercentage(char antpower) |
| { |
| if ((antpower <= -100) || (antpower >= 20)) |
| return 0; |
| else if (antpower >= 0) |
| return 100; |
| else |
| return 100 + antpower; |
| } |
| |
| static u8 _rtl92s_evm_db_to_percentage(char value) |
| { |
| char ret_val; |
| ret_val = value; |
| |
| if (ret_val >= 0) |
| ret_val = 0; |
| |
| if (ret_val <= -33) |
| ret_val = -33; |
| |
| ret_val = 0 - ret_val; |
| ret_val *= 3; |
| |
| if (ret_val == 99) |
| ret_val = 100; |
| |
| return ret_val; |
| } |
| |
| static long _rtl92se_translate_todbm(struct ieee80211_hw *hw, |
| u8 signal_strength_index) |
| { |
| long signal_power; |
| |
| signal_power = (long)((signal_strength_index + 1) >> 1); |
| signal_power -= 95; |
| return signal_power; |
| } |
| |
| static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw, |
| long currsig) |
| { |
| long retsig = 0; |
| |
| /* Step 1. Scale mapping. */ |
| if (currsig > 47) |
| retsig = 100; |
| else if (currsig > 14 && currsig <= 47) |
| retsig = 100 - ((47 - currsig) * 3) / 2; |
| else if (currsig > 2 && currsig <= 14) |
| retsig = 48 - ((14 - currsig) * 15) / 7; |
| else if (currsig >= 0) |
| retsig = currsig * 9 + 1; |
| |
| return retsig; |
| } |
| |
| |
| static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats, u8 *pdesc, |
| struct rx_fwinfo *p_drvinfo, |
| bool packet_match_bssid, |
| bool packet_toself, |
| bool packet_beacon) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct phy_sts_cck_8192s_t *cck_buf; |
| s8 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 in_powersavemode = false; |
| bool is_cck = pstats->is_cck; |
| |
| pstats->packet_matchbssid = packet_match_bssid; |
| pstats->packet_toself = packet_toself; |
| pstats->packet_beacon = packet_beacon; |
| pstats->rx_mimo_signalquality[0] = -1; |
| pstats->rx_mimo_signalquality[1] = -1; |
| |
| if (is_cck) { |
| u8 report, cck_highpwr; |
| cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; |
| |
| if (!in_powersavemode) |
| cck_highpwr = (u8) rtl_get_bbreg(hw, |
| RFPGA0_XA_HSSIPARAMETER2, |
| 0x200); |
| else |
| cck_highpwr = false; |
| |
| if (!cck_highpwr) { |
| u8 cck_agc_rpt = cck_buf->cck_agc_rpt; |
| report = cck_buf->cck_agc_rpt & 0xc0; |
| report = report >> 6; |
| switch (report) { |
| case 0x3: |
| rx_pwr_all = -40 - (cck_agc_rpt & 0x3e); |
| break; |
| case 0x2: |
| rx_pwr_all = -20 - (cck_agc_rpt & 0x3e); |
| break; |
| case 0x1: |
| rx_pwr_all = -2 - (cck_agc_rpt & 0x3e); |
| break; |
| case 0x0: |
| rx_pwr_all = 14 - (cck_agc_rpt & 0x3e); |
| break; |
| } |
| } else { |
| u8 cck_agc_rpt = cck_buf->cck_agc_rpt; |
| report = p_drvinfo->cfosho[0] & 0x60; |
| report = report >> 5; |
| switch (report) { |
| case 0x3: |
| rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1); |
| break; |
| case 0x2: |
| rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1); |
| break; |
| case 0x1: |
| rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1); |
| break; |
| case 0x0: |
| rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1); |
| break; |
| } |
| } |
| |
| pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all); |
| |
| /* CCK gain is smaller than OFDM/MCS gain, */ |
| /* so we add gain diff by experiences, the val is 6 */ |
| pwdb_all += 6; |
| if (pwdb_all > 100) |
| pwdb_all = 100; |
| /* modify the offset to make the same gain index with OFDM. */ |
| if (pwdb_all > 34 && pwdb_all <= 42) |
| pwdb_all -= 2; |
| else if (pwdb_all > 26 && pwdb_all <= 34) |
| pwdb_all -= 6; |
| else if (pwdb_all > 14 && pwdb_all <= 26) |
| pwdb_all -= 8; |
| else if (pwdb_all > 4 && pwdb_all <= 14) |
| pwdb_all -= 4; |
| |
| pstats->rx_pwdb_all = pwdb_all; |
| pstats->recvsignalpower = rx_pwr_all; |
| |
| if (packet_match_bssid) { |
| u8 sq; |
| if (pstats->rx_pwdb_all > 40) { |
| sq = 100; |
| } else { |
| sq = cck_buf->sq_rpt; |
| if (sq > 64) |
| sq = 0; |
| else if (sq < 20) |
| sq = 100; |
| else |
| sq = ((64 - sq) * 100) / 44; |
| } |
| |
| pstats->signalquality = sq; |
| pstats->rx_mimo_signalquality[0] = sq; |
| pstats->rx_mimo_signalquality[1] = -1; |
| } |
| } else { |
| rtlpriv->dm.rfpath_rxenable[0] = |
| rtlpriv->dm.rfpath_rxenable[1] = true; |
| for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { |
| if (rtlpriv->dm.rfpath_rxenable[i]) |
| rf_rx_num++; |
| |
| rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & |
| 0x3f) * 2) - 110; |
| rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]); |
| total_rssi += rssi; |
| rtlpriv->stats.rx_snr_db[i] = |
| (long)(p_drvinfo->rxsnr[i] / 2); |
| |
| if (packet_match_bssid) |
| pstats->rx_mimo_signalstrength[i] = (u8) rssi; |
| } |
| |
| rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; |
| pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all); |
| pstats->rx_pwdb_all = pwdb_all; |
| pstats->rxpower = rx_pwr_all; |
| pstats->recvsignalpower = rx_pwr_all; |
| |
| if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 && |
| pstats->rate <= DESC92_RATEMCS15) |
| max_spatial_stream = 2; |
| else |
| max_spatial_stream = 1; |
| |
| for (i = 0; i < max_spatial_stream; i++) { |
| evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]); |
| |
| if (packet_match_bssid) { |
| if (i == 0) |
| pstats->signalquality = (u8)(evm & |
| 0xff); |
| pstats->rx_mimo_signalquality[i] = |
| (u8) (evm & 0xff); |
| } |
| } |
| } |
| |
| if (is_cck) |
| pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw, |
| pwdb_all)); |
| else if (rf_rx_num != 0) |
| pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw, |
| total_rssi /= rf_rx_num)); |
| } |
| |
| static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| u8 rfpath; |
| u32 last_rssi, tmpval; |
| |
| if (pstats->packet_toself || pstats->packet_beacon) { |
| rtlpriv->stats.rssi_calculate_cnt++; |
| |
| if (rtlpriv->stats.ui_rssi.total_num++ >= |
| PHY_RSSI_SLID_WIN_MAX) { |
| rtlpriv->stats.ui_rssi.total_num = |
| PHY_RSSI_SLID_WIN_MAX; |
| last_rssi = rtlpriv->stats.ui_rssi.elements[ |
| rtlpriv->stats.ui_rssi.index]; |
| rtlpriv->stats.ui_rssi.total_val -= last_rssi; |
| } |
| |
| rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; |
| rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++] |
| = pstats->signalstrength; |
| |
| if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) |
| rtlpriv->stats.ui_rssi.index = 0; |
| |
| tmpval = rtlpriv->stats.ui_rssi.total_val / |
| rtlpriv->stats.ui_rssi.total_num; |
| rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw, |
| (u8) tmpval); |
| pstats->rssi = rtlpriv->stats.signal_strength; |
| } |
| |
| if (!pstats->is_cck && pstats->packet_toself) { |
| for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; |
| rfpath++) { |
| if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { |
| rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| pstats->rx_mimo_signalstrength[rfpath]; |
| |
| } |
| |
| if (pstats->rx_mimo_signalstrength[rfpath] > |
| rtlpriv->stats.rx_rssi_percentage[rfpath]) { |
| rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| ((rtlpriv->stats.rx_rssi_percentage[rfpath] |
| * (RX_SMOOTH_FACTOR - 1)) + |
| (pstats->rx_mimo_signalstrength[rfpath])) / |
| (RX_SMOOTH_FACTOR); |
| |
| rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| rtlpriv->stats.rx_rssi_percentage[rfpath] |
| + 1; |
| } else { |
| rtlpriv->stats.rx_rssi_percentage[rfpath] = |
| ((rtlpriv->stats.rx_rssi_percentage[rfpath] |
| * (RX_SMOOTH_FACTOR - 1)) + |
| (pstats->rx_mimo_signalstrength[rfpath])) / |
| (RX_SMOOTH_FACTOR); |
| } |
| |
| } |
| } |
| } |
| |
| static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| int weighting = 0; |
| |
| if (rtlpriv->stats.recv_signal_power == 0) |
| rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; |
| |
| if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) |
| weighting = 5; |
| else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) |
| weighting = (-5); |
| |
| rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5 |
| + pstats->recvsignalpower + |
| weighting) / 6; |
| } |
| |
| static void _rtl92se_process_pwdb(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| long undec_sm_pwdb = 0; |
| |
| if (mac->opmode == NL80211_IFTYPE_ADHOC) { |
| return; |
| } else { |
| undec_sm_pwdb = |
| rtlpriv->dm.undecorated_smoothed_pwdb; |
| } |
| |
| if (pstats->packet_toself || pstats->packet_beacon) { |
| if (undec_sm_pwdb < 0) |
| undec_sm_pwdb = pstats->rx_pwdb_all; |
| |
| if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { |
| undec_sm_pwdb = |
| (((undec_sm_pwdb) * |
| (RX_SMOOTH_FACTOR - 1)) + |
| (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); |
| |
| undec_sm_pwdb = undec_sm_pwdb + 1; |
| } else { |
| undec_sm_pwdb = (((undec_sm_pwdb) * |
| (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) / |
| (RX_SMOOTH_FACTOR); |
| } |
| |
| rtlpriv->dm.undecorated_smoothed_pwdb = undec_sm_pwdb; |
| _rtl92se_update_rxsignalstatistics(hw, pstats); |
| } |
| } |
| |
| static void rtl_92s_process_streams(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| u32 stream; |
| |
| for (stream = 0; stream < 2; stream++) { |
| if (pstats->rx_mimo_signalquality[stream] != -1) { |
| if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { |
| rtlpriv->stats.rx_evm_percentage[stream] = |
| pstats->rx_mimo_signalquality[stream]; |
| } |
| |
| rtlpriv->stats.rx_evm_percentage[stream] = |
| ((rtlpriv->stats.rx_evm_percentage[stream] * |
| (RX_SMOOTH_FACTOR - 1)) + |
| (pstats->rx_mimo_signalquality[stream] * |
| 1)) / (RX_SMOOTH_FACTOR); |
| } |
| } |
| } |
| |
| static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw, |
| struct rtl_stats *pstats) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| u32 last_evm = 0, tmpval; |
| |
| if (pstats->signalquality != 0) { |
| if (pstats->packet_toself || pstats->packet_beacon) { |
| |
| if (rtlpriv->stats.ui_link_quality.total_num++ >= |
| PHY_LINKQUALITY_SLID_WIN_MAX) { |
| rtlpriv->stats.ui_link_quality.total_num = |
| PHY_LINKQUALITY_SLID_WIN_MAX; |
| last_evm = |
| rtlpriv->stats.ui_link_quality.elements[ |
| rtlpriv->stats.ui_link_quality.index]; |
| rtlpriv->stats.ui_link_quality.total_val -= |
| last_evm; |
| } |
| |
| rtlpriv->stats.ui_link_quality.total_val += |
| pstats->signalquality; |
| rtlpriv->stats.ui_link_quality.elements[ |
| rtlpriv->stats.ui_link_quality.index++] = |
| pstats->signalquality; |
| |
| if (rtlpriv->stats.ui_link_quality.index >= |
| PHY_LINKQUALITY_SLID_WIN_MAX) |
| rtlpriv->stats.ui_link_quality.index = 0; |
| |
| tmpval = rtlpriv->stats.ui_link_quality.total_val / |
| rtlpriv->stats.ui_link_quality.total_num; |
| rtlpriv->stats.signal_quality = tmpval; |
| |
| rtlpriv->stats.last_sigstrength_inpercent = tmpval; |
| |
| rtl_92s_process_streams(hw, pstats); |
| |
| } |
| } |
| } |
| |
| static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw, |
| u8 *buffer, |
| struct rtl_stats *pcurrent_stats) |
| { |
| |
| if (!pcurrent_stats->packet_matchbssid && |
| !pcurrent_stats->packet_beacon) |
| return; |
| |
| _rtl92se_process_ui_rssi(hw, pcurrent_stats); |
| _rtl92se_process_pwdb(hw, pcurrent_stats); |
| _rtl92se_process_ui_link_quality(hw, pcurrent_stats); |
| } |
| |
| static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw, |
| struct sk_buff *skb, struct rtl_stats *pstats, |
| 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; |
| __le16 fc; |
| u16 type, cfc; |
| bool packet_matchbssid, packet_toself, packet_beacon; |
| |
| tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; |
| |
| hdr = (struct ieee80211_hdr *)tmp_buf; |
| fc = hdr->frame_control; |
| cfc = le16_to_cpu(fc); |
| type = WLAN_FC_GET_TYPE(fc); |
| praddr = hdr->addr1; |
| |
| packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && |
| ether_addr_equal(mac->bssid, |
| (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : |
| (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : |
| hdr->addr3) && |
| (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); |
| |
| packet_toself = packet_matchbssid && |
| ether_addr_equal(praddr, rtlefuse->dev_addr); |
| |
| if (ieee80211_is_beacon(fc)) |
| packet_beacon = true; |
| |
| _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, |
| packet_matchbssid, packet_toself, packet_beacon); |
| _rtl92se_process_phyinfo(hw, tmp_buf, pstats); |
| } |
| |
| bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, |
| struct ieee80211_rx_status *rx_status, u8 *pdesc, |
| struct sk_buff *skb) |
| { |
| struct rx_fwinfo *p_drvinfo; |
| u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc); |
| struct ieee80211_hdr *hdr; |
| bool first_ampdu = false; |
| |
| stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc); |
| stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8; |
| stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03); |
| stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc); |
| stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc); |
| stats->hwerror = (u16)(stats->crc | stats->icv); |
| stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc); |
| |
| stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc); |
| stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc); |
| stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1); |
| stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1) |
| && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1)); |
| stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc); |
| stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc); |
| stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc); |
| stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc); |
| |
| if (stats->hwerror) |
| return false; |
| |
| rx_status->freq = hw->conf.channel->center_freq; |
| rx_status->band = hw->conf.channel->band; |
| |
| hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size |
| + stats->rx_bufshift); |
| |
| if (stats->crc) |
| rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; |
| |
| if (stats->rx_is40Mhzpacket) |
| rx_status->flag |= RX_FLAG_40MHZ; |
| |
| if (stats->is_ht) |
| rx_status->flag |= RX_FLAG_HT; |
| |
| rx_status->flag |= RX_FLAG_MACTIME_MPDU; |
| |
| /* hw will set stats->decrypted true, if it finds the |
| * frame is open data frame or mgmt frame, |
| * hw will not decrypt robust managment frame |
| * for IEEE80211w but still set stats->decrypted |
| * true, so here we should set it back to undecrypted |
| * for IEEE80211w frame, and mac80211 sw will help |
| * to decrypt it */ |
| if (stats->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; |
| } |
| |
| rx_status->rate_idx = rtlwifi_rate_mapping(hw, |
| stats->is_ht, stats->rate, first_ampdu); |
| |
| rx_status->mactime = stats->timestamp_low; |
| if (phystatus) { |
| p_drvinfo = (struct rx_fwinfo *)(skb->data + |
| stats->rx_bufshift); |
| _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc, |
| p_drvinfo); |
| } |
| |
| /*rx_status->qual = stats->signal; */ |
| rx_status->signal = stats->rssi + 10; |
| /*rx_status->noise = -stats->noise; */ |
| |
| return true; |
| } |
| |
| void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, |
| struct ieee80211_hdr *hdr, u8 *pdesc_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(rtl_priv(hw)); |
| u8 *pdesc = pdesc_tx; |
| u16 seq_number; |
| __le16 fc = hdr->frame_control; |
| u8 reserved_macid = 0; |
| u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue); |
| bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG))); |
| bool lastseg = (!(hdr->frame_control & |
| cpu_to_le16(IEEE80211_FCTL_MOREFRAGS))); |
| dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, |
| PCI_DMA_TODEVICE); |
| u8 bw_40 = 0; |
| |
| if (mac->opmode == NL80211_IFTYPE_STATION) { |
| bw_40 = mac->bw_40; |
| } else if (mac->opmode == NL80211_IFTYPE_AP || |
| mac->opmode == NL80211_IFTYPE_ADHOC) { |
| if (sta) |
| bw_40 = sta->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); |
| |
| CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S); |
| |
| if (firstseg) { |
| if (rtlpriv->dm.useramask) { |
| /* set txdesc macId */ |
| if (ptcb_desc->mac_id < 32) { |
| SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); |
| reserved_macid |= ptcb_desc->mac_id; |
| } |
| } |
| SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid); |
| |
| SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >= |
| DESC92_RATEMCS0) ? 1 : 0)); |
| |
| if (rtlhal->version == VERSION_8192S_ACUT) { |
| if (ptcb_desc->hw_rate == DESC92_RATE1M || |
| ptcb_desc->hw_rate == DESC92_RATE2M || |
| ptcb_desc->hw_rate == DESC92_RATE5_5M || |
| ptcb_desc->hw_rate == DESC92_RATE11M) { |
| ptcb_desc->hw_rate = DESC92_RATE12M; |
| } |
| } |
| |
| SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); |
| |
| if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) |
| SET_TX_DESC_TX_SHORT(pdesc, 0); |
| |
| /* Aggregation related */ |
| if (info->flags & IEEE80211_TX_CTL_AMPDU) |
| SET_TX_DESC_AGG_ENABLE(pdesc, 1); |
| |
| /* For AMPDU, we must insert SSN into TX_DESC */ |
| SET_TX_DESC_SEQ(pdesc, seq_number); |
| |
| /* Protection mode related */ |
| /* For 92S, if RTS/CTS are set, HW will execute RTS. */ |
| /* We choose only one protection mode to execute */ |
| SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && |
| !ptcb_desc->cts_enable) ? 1 : 0)); |
| SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ? |
| 1 : 0)); |
| SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); |
| |
| SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); |
| SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0); |
| SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc); |
| SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= |
| DESC92_RATE54M) ? |
| (ptcb_desc->rts_use_shortpreamble ? 1 : 0) |
| : (ptcb_desc->rts_use_shortgi ? 1 : 0))); |
| |
| |
| /* Set Bandwidth and sub-channel settings. */ |
| if (bw_40) { |
| if (ptcb_desc->packet_bw) { |
| SET_TX_DESC_TX_BANDWIDTH(pdesc, 1); |
| /* use duplicated mode */ |
| SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); |
| } else { |
| SET_TX_DESC_TX_BANDWIDTH(pdesc, 0); |
| SET_TX_DESC_TX_SUB_CARRIER(pdesc, |
| mac->cur_40_prime_sc); |
| } |
| } else { |
| SET_TX_DESC_TX_BANDWIDTH(pdesc, 0); |
| SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); |
| } |
| |
| /* 3 Fill necessary field in First Descriptor */ |
| /*DWORD 0*/ |
| SET_TX_DESC_LINIP(pdesc, 0); |
| SET_TX_DESC_OFFSET(pdesc, 32); |
| SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len); |
| |
| /*DWORD 1*/ |
| SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index); |
| |
| /* Fill security related */ |
| if (info->control.hw_key) { |
| struct ieee80211_key_conf *keyconf; |
| |
| keyconf = info->control.hw_key; |
| switch (keyconf->cipher) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| SET_TX_DESC_SEC_TYPE(pdesc, 0x1); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| SET_TX_DESC_SEC_TYPE(pdesc, 0x2); |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| SET_TX_DESC_SEC_TYPE(pdesc, 0x3); |
| break; |
| default: |
| SET_TX_DESC_SEC_TYPE(pdesc, 0x0); |
| break; |
| |
| } |
| } |
| |
| /* Set Packet ID */ |
| SET_TX_DESC_PACKET_ID(pdesc, 0); |
| |
| /* We will assign magement queue to BK. */ |
| SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); |
| |
| /* Alwasy enable all rate fallback range */ |
| SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); |
| |
| /* Fix: I don't kown why hw use 6.5M to tx when set it */ |
| SET_TX_DESC_USER_RATE(pdesc, |
| ptcb_desc->use_driver_rate ? 1 : 0); |
| |
| /* Set NON_QOS bit. */ |
| if (!ieee80211_is_data_qos(fc)) |
| SET_TX_DESC_NON_QOS(pdesc, 1); |
| |
| } |
| |
| /* Fill fields that are required to be initialized |
| * in all of the descriptors */ |
| /*DWORD 0 */ |
| SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); |
| SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); |
| |
| /* DWORD 7 */ |
| SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len); |
| |
| /* DOWRD 8 */ |
| SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); |
| |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); |
| } |
| |
| void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, |
| bool firstseg, bool lastseg, struct sk_buff *skb) |
| { |
| struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb); |
| |
| dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, |
| PCI_DMA_TODEVICE); |
| |
| /* Clear all status */ |
| CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S); |
| |
| /* This bit indicate this packet is used for FW download. */ |
| if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) { |
| /* For firmware downlaod we only need to set LINIP */ |
| SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt); |
| |
| /* 92SE must set as 1 for firmware download HW DMA error */ |
| SET_TX_DESC_FIRST_SEG(pdesc, 1); |
| SET_TX_DESC_LAST_SEG(pdesc, 1); |
| |
| /* 92SE need not to set TX packet size when firmware download */ |
| SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len)); |
| SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); |
| SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); |
| |
| wmb(); |
| SET_TX_DESC_OWN(pdesc, 1); |
| } else { /* H2C Command Desc format (Host TXCMD) */ |
| /* 92SE must set as 1 for firmware download HW DMA error */ |
| SET_TX_DESC_FIRST_SEG(pdesc, 1); |
| SET_TX_DESC_LAST_SEG(pdesc, 1); |
| |
| SET_TX_DESC_OFFSET(pdesc, 0x20); |
| |
| /* Buffer size + command header */ |
| SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len)); |
| /* Fixed queue of H2C command */ |
| SET_TX_DESC_QUEUE_SEL(pdesc, 0x13); |
| |
| SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq); |
| |
| SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); |
| SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); |
| |
| wmb(); |
| SET_TX_DESC_OWN(pdesc, 1); |
| |
| } |
| } |
| |
| void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) |
| { |
| if (istx) { |
| switch (desc_name) { |
| case HW_DESC_OWN: |
| wmb(); |
| SET_TX_DESC_OWN(pdesc, 1); |
| break; |
| case HW_DESC_TX_NEXTDESC_ADDR: |
| SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); |
| break; |
| default: |
| RT_ASSERT(false, "ERR txdesc :%d not process\n", |
| desc_name); |
| break; |
| } |
| } else { |
| switch (desc_name) { |
| case HW_DESC_RXOWN: |
| wmb(); |
| SET_RX_STATUS_DESC_OWN(pdesc, 1); |
| break; |
| case HW_DESC_RXBUFF_ADDR: |
| SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val); |
| break; |
| case HW_DESC_RXPKT_LEN: |
| SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val); |
| break; |
| case HW_DESC_RXERO: |
| SET_RX_STATUS_DESC_EOR(pdesc, 1); |
| break; |
| default: |
| RT_ASSERT(false, "ERR rxdesc :%d not process\n", |
| desc_name); |
| break; |
| } |
| } |
| } |
| |
| u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name) |
| { |
| u32 ret = 0; |
| |
| if (istx) { |
| switch (desc_name) { |
| case HW_DESC_OWN: |
| ret = GET_TX_DESC_OWN(desc); |
| break; |
| case HW_DESC_TXBUFF_ADDR: |
| ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc); |
| 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_STATUS_DESC_OWN(desc); |
| break; |
| case HW_DESC_RXPKT_LEN: |
| ret = GET_RX_STATUS_DESC_PKT_LEN(desc); |
| break; |
| default: |
| RT_ASSERT(false, "ERR rxdesc :%d not process\n", |
| desc_name); |
| break; |
| } |
| } |
| return ret; |
| } |
| |
| void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue)); |
| } |
