diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-trx.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-trx.c | 1031 |
1 files changed, 1031 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-trx.c new file mode 100644 index 000000000000..cf35418c8afe --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-trx.c @@ -0,0 +1,1031 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2010 Realtek Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae <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 "rtl8192c-reg.h" +#include "rtl8192c-def.h" +#include "rtl8192c-phy.h" +#include "rtl8192c-trx.h" +#include "rtl8192c-led.h" + +static enum rtl_desc_qsel _rtl92ce_map_hwqueue_to_fwqueue(u16 fc, + unsigned int + skb_queue) +{ + enum rtl_desc_qsel qsel; + + if (unlikely(ieee80211_is_beacon(fc))) { + qsel = QSLT_BEACON; + return qsel; + } + + if (ieee80211_is_mgmt(fc)) { + qsel = QSLT_MGNT; + return qsel; + } + + switch (skb_queue) { + case VO_QUEUE: + qsel = QSLT_VO; + break; + case VI_QUEUE: + qsel = QSLT_VI; + break; + case BE_QUEUE: + qsel = QSLT_BE; + break; + case BK_QUEUE: + qsel = QSLT_BK; + break; + default: + qsel = QSLT_BE; + RT_ASSERT(false, ("BE queue, skb_queue:%d," + " set qsel = 0x%X\n", skb_queue, QSLT_BE)); + break; + } + return qsel; +} + +static int _rtl92ce_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu) +{ + int rate_idx; + + if (first_ampdu) { + if (false == isht) { + 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 { + rate_idx = 11; + } + + return rate_idx; + } + + 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 = 11; + break; + } + return rate_idx; +} + +static u8 _rtl92c_query_rxpwrpercentage(char antpower) +{ + if ((antpower <= -100) || (antpower >= 20)) + return 0; + else if (antpower >= 0) + return 100; + else + return 100 + antpower; +} + +static u8 _rtl92c_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 _rtl92ce_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 _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw, + long currsig) +{ + long retsig; + + if (currsig >= 61 && currsig <= 100) + retsig = 90 + ((currsig - 60) / 4); + else if (currsig >= 41 && currsig <= 60) + retsig = 78 + ((currsig - 40) / 2); + else if (currsig >= 31 && currsig <= 40) + retsig = 66 + (currsig - 30); + else if (currsig >= 21 && currsig <= 30) + retsig = 54 + (currsig - 20); + else if (currsig >= 5 && currsig <= 20) + retsig = 42 + (((currsig - 5) * 2) / 3); + else if (currsig == 4) + retsig = 36; + else if (currsig == 3) + retsig = 27; + else if (currsig == 2) + retsig = 18; + else if (currsig == 1) + retsig = 9; + else + retsig = currsig; + + return retsig; +} + +static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw, + struct rtl_stats *pstats, + struct rx_desc_92c *pdesc, + struct rx_fwinfo_92c *p_drvinfo, + bool bpacket_match_bssid, + bool bpacket_toself, + bool b_packet_beacon) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct phy_sts_cck_8192s_t *cck_buf; + s8 rx_pwr_all, rx_pwr[4]; + u8 rf_rx_num, evm, pwdb_all; + u8 i, max_spatial_stream; + u32 rssi, total_rssi; + bool is_cck_rate; + + is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); + pstats->b_packet_matchbssid = bpacket_match_bssid; + pstats->b_packet_toself = bpacket_toself; + pstats->b_is_cck = is_cck_rate; + pstats->b_packet_beacon = b_packet_beacon; + pstats->b_is_cck = is_cck_rate; + pstats->rx_mimo_signalquality[0] = -1; + pstats->rx_mimo_signalquality[1] = -1; + + if (is_cck_rate) { + u8 report, cck_highpwr; + cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; + + cck_highpwr = (u8) rtl_get_bbreg(hw, + RFPGA0_XA_HSSIPARAMETER2, + BIT(9)); + 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 = -46 - (cck_agc_rpt & 0x3e); + break; + case 0x2: + rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); + break; + case 0x1: + rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); + break; + case 0x0: + rx_pwr_all = 16 - (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 = -46 - ((cck_agc_rpt & 0x1f) << 1); + break; + case 0x2: + rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); + break; + case 0x1: + rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); + break; + case 0x0: + rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); + break; + } + } + + pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); + pstats->rx_pwdb_all = pwdb_all; + pstats->recvsignalpower = rx_pwr_all; + + if (bpacket_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.brfpath_rxenable[0] = + rtlpriv->dm.brfpath_rxenable[1] = true; + for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { + if (rtlpriv->dm.brfpath_rxenable[i]) + rf_rx_num++; + + rx_pwr[i] = + ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; + rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); + total_rssi += rssi; + rtlpriv->stats.rx_snr_db[i] = + (long)(p_drvinfo->rxsnr[i] / 2); + + if (bpacket_match_bssid) + pstats->rx_mimo_signalstrength[i] = (u8) rssi; + } + + rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; + pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); + pstats->rx_pwdb_all = pwdb_all; + pstats->rxpower = rx_pwr_all; + pstats->recvsignalpower = rx_pwr_all; + + if (pdesc->rxht && pdesc->rxmcs >= DESC92C_RATEMCS8 && + pdesc->rxmcs <= DESC92C_RATEMCS15) + max_spatial_stream = 2; + else + max_spatial_stream = 1; + + for (i = 0; i < max_spatial_stream; i++) { + evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); + + if (bpacket_match_bssid) { + if (i == 0) + pstats->signalquality = + (u8) (evm & 0xff); + pstats->rx_mimo_signalquality[i] = + (u8) (evm & 0xff); + } + } + } + + if (is_cck_rate) + pstats->signalstrength = + (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all)); + else if (rf_rx_num != 0) + pstats->signalstrength = + (u8) (_rtl92ce_signal_scale_mapping + (hw, total_rssi /= rf_rx_num)); +} + +static void _rtl92ce_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->b_packet_toself || pstats->b_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 = + _rtl92ce_translate_todbm(hw, (u8) tmpval); + pstats->rssi = rtlpriv->stats.signal_strength; + } + + if (!pstats->b_is_cck && pstats->b_packet_toself) { + for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; + rfpath++) { + + if (!rtl8192_phy_check_is_legal_rfpath(hw, rfpath)) + continue; + + 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 _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw, + struct rtl_stats *pstats) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + int weighting; + + 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 _rtl92ce_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 undecorated_smoothed_pwdb; + + if (mac->opmode == NL80211_IFTYPE_ADHOC) { + return; + } else { + undecorated_smoothed_pwdb = + rtlpriv->dm.undecorated_smoothed_pwdb; + } + + if (pstats->b_packet_toself || pstats->b_packet_beacon) { + if (undecorated_smoothed_pwdb < 0) + undecorated_smoothed_pwdb = pstats->rx_pwdb_all; + + if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { + undecorated_smoothed_pwdb = + (((undecorated_smoothed_pwdb) * + (RX_SMOOTH_FACTOR - 1)) + + (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); + + undecorated_smoothed_pwdb = undecorated_smoothed_pwdb + + 1; + } else { + undecorated_smoothed_pwdb = + (((undecorated_smoothed_pwdb) * + (RX_SMOOTH_FACTOR - 1)) + + (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); + } + + rtlpriv->dm.undecorated_smoothed_pwdb = + undecorated_smoothed_pwdb; + _rtl92ce_update_rxsignalstatistics(hw, pstats); + } +} + +static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw, + struct rtl_stats *pstats) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u32 last_evm, n_spatialstream, tmpval; + + if (pstats->signalquality != 0) { + if (pstats->b_packet_toself || pstats->b_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; + + for (n_spatialstream = 0; n_spatialstream < 2; + n_spatialstream++) { + if (pstats-> + rx_mimo_signalquality[n_spatialstream] != + -1) { + if (rtlpriv->stats. + rx_evm_percentage[n_spatialstream] + == 0) { + rtlpriv->stats. + rx_evm_percentage + [n_spatialstream] = + pstats->rx_mimo_signalquality + [n_spatialstream]; + } + + rtlpriv->stats. + rx_evm_percentage[n_spatialstream] = + ((rtlpriv-> + stats.rx_evm_percentage + [n_spatialstream] * + (RX_SMOOTH_FACTOR - 1)) + + (pstats-> + rx_mimo_signalquality + [n_spatialstream] * 1)) / + (RX_SMOOTH_FACTOR); + } + } + } + } else { + ; + } +} + +static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw, + u8 *buffer, + struct rtl_stats *pcurrent_stats) +{ + + if (!pcurrent_stats->b_packet_matchbssid && + !pcurrent_stats->b_packet_beacon) + return; + + _rtl92ce_process_ui_rssi(hw, pcurrent_stats); + _rtl92ce_process_pwdb(hw, pcurrent_stats); + _rtl92ce_process_ui_link_quality(hw, pcurrent_stats); +} + +static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct rtl_stats *pstats, + struct rx_desc_92c *pdesc, + struct rx_fwinfo_92c *p_drvinfo) +{ + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + + struct ieee80211_hdr *hdr; + u8 *tmp_buf; + u8 *praddr; + u8 *psaddr; + u16 fc, type; + bool b_packet_matchbssid, b_packet_toself, b_packet_beacon; + + tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; + + hdr = (struct ieee80211_hdr *)tmp_buf; + fc = le16_to_cpu(hdr->frame_control); + type = WLAN_FC_GET_TYPE(fc); + praddr = hdr->addr1; + psaddr = hdr->addr2; + + b_packet_matchbssid = + ((IEEE80211_FTYPE_CTL != type) && + (!compare_ether_addr(mac->bssid, + (fc & IEEE80211_FCTL_TODS) ? + hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? + hdr->addr2 : hdr->addr3)) && + (!pstats->b_hwerror) && (!pstats->b_crc) && (!pstats->b_icv)); + + b_packet_toself = b_packet_matchbssid && + (!compare_ether_addr(praddr, rtlefuse->dev_addr)); + + if (ieee80211_is_beacon(fc)) + b_packet_beacon = true; + + _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, + b_packet_matchbssid, b_packet_toself, + b_packet_beacon); + + _rtl92ce_process_phyinfo(hw, tmp_buf, pstats); +} + +bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw, + struct rtl_stats *stats, + struct ieee80211_rx_status *rx_status, + u8 *p_desc, struct sk_buff *skb) +{ + struct rx_fwinfo_92c *p_drvinfo; + struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; + + u32 phystatus = GET_RX_DESC_PHYST(pdesc); + stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); + stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * + RX_DRV_INFO_SIZE_UNIT; + stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); + stats->b_icv = (u16) GET_RX_DESC_ICV(pdesc); + stats->b_crc = (u16) GET_RX_DESC_CRC32(pdesc); + stats->b_hwerror = (stats->b_crc | stats->b_icv); + stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); + stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); + stats->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); + stats->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); + stats->b_isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) + && (GET_RX_DESC_FAGGR(pdesc) == 1)); + stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); + stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); + + rx_status->freq = hw->conf.channel->center_freq; + rx_status->band = hw->conf.channel->band; + + if (GET_RX_DESC_CRC32(pdesc)) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + + if (!GET_RX_DESC_SWDEC(pdesc)) + rx_status->flag |= RX_FLAG_DECRYPTED; + + if (GET_RX_DESC_BW(pdesc)) + rx_status->flag |= RX_FLAG_40MHZ; + + if (GET_RX_DESC_RXHT(pdesc)) + rx_status->flag |= RX_FLAG_HT; + + rx_status->flag |= RX_FLAG_TSFT; + + if (stats->decrypted) + rx_status->flag |= RX_FLAG_DECRYPTED; + + rx_status->rate_idx = _rtl92ce_rate_mapping((bool) + GET_RX_DESC_RXHT(pdesc), + (u8) + GET_RX_DESC_RXMCS(pdesc), + (bool) + GET_RX_DESC_PAGGR(pdesc)); + + rx_status->mactime = GET_RX_DESC_TSFL(pdesc); + if (phystatus == true) { + p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + + stats->rx_bufshift); + + _rtl92ce_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 rtl92ce_tx_fill_desc(struct ieee80211_hw *hw, + struct ieee80211_hdr *hdr, u8 *pdesc_tx, + struct ieee80211_tx_info *info, struct sk_buff *skb, + unsigned int queue_index) +{ + 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_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + bool b_defaultadapter = true; + + struct ieee80211_sta *sta = ieee80211_find_sta(mac->vif, mac->bssid); + + u8 *pdesc = (u8 *) pdesc_tx; + struct rtl_tcb_desc tcb_desc; + u8 *qc = ieee80211_get_qos_ctl(hdr); + u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; + u16 seq_number; + u16 fc = le16_to_cpu(hdr->frame_control); + u8 rate_flag = info->control.rates[0].flags; + + enum rtl_desc_qsel fw_qsel = + _rtl92ce_map_hwqueue_to_fwqueue(le16_to_cpu(hdr->frame_control), + queue_index); + + bool b_firstseg = ((hdr->seq_ctrl & + cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); + + bool b_lastseg = ((hdr->frame_control & + cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); + + dma_addr_t mapping = pci_map_single(rtlpci->pdev, + skb->data, skb->len, + PCI_DMA_TODEVICE); + + seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; + + rtl_get_tcb_desc(hw, info, skb, &tcb_desc); + + CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c)); + + if (b_firstseg) { + SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); + + SET_TX_DESC_TX_RATE(pdesc, tcb_desc.hw_rate); + + if (tcb_desc.use_shortgi || tcb_desc.use_shortpreamble) + SET_TX_DESC_DATA_SHORTGI(pdesc, 1); + + if (mac->tids[tid].agg.agg_state == RTL_AGG_ON && + info->flags & IEEE80211_TX_CTL_AMPDU) { + SET_TX_DESC_AGG_BREAK(pdesc, 1); + SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); + } + SET_TX_DESC_SEQ(pdesc, seq_number); + + SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc.b_rts_enable && + !tcb_desc. + b_cts_enable) ? 1 : 0)); + SET_TX_DESC_HW_RTS_ENABLE(pdesc, + ((tcb_desc.b_rts_enable + || tcb_desc.b_cts_enable) ? 1 : 0)); + SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc.b_cts_enable) ? 1 : 0)); + SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc.b_rts_stbc) ? 1 : 0)); + + SET_TX_DESC_RTS_RATE(pdesc, tcb_desc.rts_rate); + SET_TX_DESC_RTS_BW(pdesc, 0); + SET_TX_DESC_RTS_SC(pdesc, tcb_desc.rts_sc); + SET_TX_DESC_RTS_SHORT(pdesc, + ((tcb_desc.rts_rate <= DESC92C_RATE54M) ? + (tcb_desc.b_rts_use_shortpreamble ? 1 : 0) + : (tcb_desc.b_rts_use_shortgi ? 1 : 0))); + + if (mac->bw_40) { + if (tcb_desc.b_packet_bw) { + SET_TX_DESC_DATA_BW(pdesc, 1); + SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); + } else { + SET_TX_DESC_DATA_BW(pdesc, 0); + + if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { + 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_PKT_ID(pdesc, 0); + 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, 0); + SET_TX_DESC_USE_RATE(pdesc, tcb_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, (b_firstseg ? 1 : 0)); + SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0)); + + SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len); + + SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); + + if (rtlpriv->dm.b_useramask) { + SET_TX_DESC_RATE_ID(pdesc, tcb_desc.ratr_index); + SET_TX_DESC_MACID(pdesc, tcb_desc.mac_id); + } else { + SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc.ratr_index); + SET_TX_DESC_MACID(pdesc, tcb_desc.ratr_index); + } + + if ((!ieee80211_is_data_qos(fc)) && ppsc->b_leisure_ps && + ppsc->b_fwctrl_lps) { + SET_TX_DESC_HWSEQ_EN(pdesc, 1); + SET_TX_DESC_PKT_ID(pdesc, 8); + + if (!b_defaultadapter) + SET_TX_DESC_QOS(pdesc, 1); + } + + SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1)); + + if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || + is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { + SET_TX_DESC_BMC(pdesc, 1); + } + + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n")); +} + +void rtl92ce_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); + + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); + u16 fc = le16_to_cpu(hdr->frame_control); + + CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); + + if (b_firstseg) + 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, cpu_to_le32(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((u8 *) pdesc, (u16) (skb->len)); + + SET_TX_DESC_FIRST_SEG(pdesc, 1); + SET_TX_DESC_LAST_SEG(pdesc, 1); + + SET_TX_DESC_OFFSET(pdesc, 0x20); + + SET_TX_DESC_USE_RATE(pdesc, 1); + + if (!ieee80211_is_data_qos(fc)) { + SET_TX_DESC_HWSEQ_EN(pdesc, 1); + SET_TX_DESC_PKT_ID(pdesc, 8); + } + + RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, + "H2C Tx Cmd Content\n", + pdesc, TX_DESC_SIZE); +} + +void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) +{ + if (istx == true) { + switch (desc_name) { + case HW_DESC_OWN: + SET_TX_DESC_OWN(pdesc, 1); + break; + case HW_DESC_TX_NEXTDESC_ADDR: + SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); + break; + default: + RT_ASSERT(false, ("ERR txdesc :%d" + " not process\n", desc_name)); + break; + } + } else { + switch (desc_name) { + case HW_DESC_RXOWN: + SET_RX_DESC_OWN(pdesc, 1); + break; + case HW_DESC_RXBUFF_ADDR: + SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); + break; + case HW_DESC_RXPKT_LEN: + SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); + break; + case HW_DESC_RXERO: + SET_RX_DESC_EOR(pdesc, 1); + break; + default: + RT_ASSERT(false, ("ERR rxdesc :%d " + "not process\n", desc_name)); + break; + } + } +} + +u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name) +{ + u32 ret = 0; + + if (istx == true) { + switch (desc_name) { + case HW_DESC_OWN: + ret = GET_TX_DESC_OWN(p_desc); + break; + case HW_DESC_TXBUFF_ADDR: + ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); + break; + default: + RT_ASSERT(false, ("ERR txdesc :%d " + "not process\n", desc_name)); + break; + } + } else { + struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; + 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; +} + +void rtl92ce_tx_polling(struct ieee80211_hw *hw, unsigned int 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)); + } +} |