diff options
Diffstat (limited to 'drivers/staging/rtl8821ae/rtl8821ae/trx.c')
| -rw-r--r-- | drivers/staging/rtl8821ae/rtl8821ae/trx.c | 1005 |
1 files changed, 0 insertions, 1005 deletions
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/trx.c b/drivers/staging/rtl8821ae/rtl8821ae/trx.c deleted file mode 100644 index b4943e8b7f80..000000000000 --- a/drivers/staging/rtl8821ae/rtl8821ae/trx.c +++ /dev/null @@ -1,1005 +0,0 @@ -/****************************************************************************** - * - * 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 "../stats.h" -#include "reg.h" -#include "def.h" -#include "phy.h" -#include "trx.h" -#include "led.h" -#include "dm.h" - -static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) -{ - u16 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, - * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 - * - * 5G band:rx_status->band == IEEE80211_BAND_5GHZ - * A rate: - * (rx_status->flag & RX_FLAG_HT) = 0, - * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 - */ -static int _rtl8821ae_rate_mapping(struct ieee80211_hw *hw, - bool isht, u8 desc_rate) -{ - int rate_idx; - - if (false == isht) { - if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { - switch (desc_rate) { - case DESC_RATE1M: - rate_idx = 0; - break; - case DESC_RATE2M: - rate_idx = 1; - break; - case DESC_RATE5_5M: - rate_idx = 2; - break; - case DESC_RATE11M: - rate_idx = 3; - break; - case DESC_RATE6M: - rate_idx = 4; - break; - case DESC_RATE9M: - rate_idx = 5; - break; - case DESC_RATE12M: - rate_idx = 6; - break; - case DESC_RATE18M: - rate_idx = 7; - break; - case DESC_RATE24M: - rate_idx = 8; - break; - case DESC_RATE36M: - rate_idx = 9; - break; - case DESC_RATE48M: - rate_idx = 10; - break; - case DESC_RATE54M: - rate_idx = 11; - break; - default: - rate_idx = 0; - break; - } - } else { - switch (desc_rate) { - case DESC_RATE6M: - rate_idx = 0; - break; - case DESC_RATE9M: - rate_idx = 1; - break; - case DESC_RATE12M: - rate_idx = 2; - break; - case DESC_RATE18M: - rate_idx = 3; - break; - case DESC_RATE24M: - rate_idx = 4; - break; - case DESC_RATE36M: - rate_idx = 5; - break; - case DESC_RATE48M: - rate_idx = 6; - break; - case DESC_RATE54M: - rate_idx = 7; - break; - default: - rate_idx = 0; - break; - } - } - } else { - switch(desc_rate) { - case DESC_RATEMCS0: - rate_idx = 0; - break; - case DESC_RATEMCS1: - rate_idx = 1; - break; - case DESC_RATEMCS2: - rate_idx = 2; - break; - case DESC_RATEMCS3: - rate_idx = 3; - break; - case DESC_RATEMCS4: - rate_idx = 4; - break; - case DESC_RATEMCS5: - rate_idx = 5; - break; - case DESC_RATEMCS6: - rate_idx = 6; - break; - case DESC_RATEMCS7: - rate_idx = 7; - break; - case DESC_RATEMCS8: - rate_idx = 8; - break; - case DESC_RATEMCS9: - rate_idx = 9; - break; - case DESC_RATEMCS10: - rate_idx = 10; - break; - case DESC_RATEMCS11: - rate_idx = 11; - break; - case DESC_RATEMCS12: - rate_idx = 12; - break; - case DESC_RATEMCS13: - rate_idx = 13; - break; - case DESC_RATEMCS14: - rate_idx = 14; - break; - case DESC_RATEMCS15: - rate_idx = 15; - break; - default: - rate_idx = 0; - break; - } - } - return rate_idx; -} - -static void _rtl8821ae_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 b_packet_beacon) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); - struct phy_sts_cck_8821ae_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 b_is_cck = pstatus->b_is_cck; - u8 lan_idx,vga_idx; - - /* Record it for next packet processing */ - pstatus->b_packet_matchbssid = bpacket_match_bssid; - pstatus->b_packet_toself = bpacket_toself; - pstatus->b_packet_beacon = b_packet_beacon; - pstatus->rx_mimo_signalquality[0] = -1; - pstatus->rx_mimo_signalquality[1] = -1; - - if (b_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_8821ae_t *)p_drvinfo; - cck_agc_rpt = cck_buf->cck_agc_rpt; - - /* (1)Hardware does not provide RSSI for CCK */ - /* (2)PWDB, Average PWDB calculated 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) - rx_pwr_all = -100 + 2*(27-vga_idx); /*VGA_idx = 27~2*/ - else - rx_pwr_all = -100; - break; - case 6: - rx_pwr_all = -48 + 2*(2-vga_idx); /*VGA_idx = 2~0*/ - break; - case 5: - rx_pwr_all = -42 + 2*(7-vga_idx); /*VGA_idx = 7~5*/ - break; - case 4: - rx_pwr_all = -36 + 2*(7-vga_idx); /*VGA_idx = 7~4*/ - break; - case 3: - rx_pwr_all = -24 + 2*(7-vga_idx); /*VGA_idx = 7~0*/ - break; - case 2: - if(cck_highpwr) - rx_pwr_all = -12 + 2*(5-vga_idx); /*VGA_idx = 5~0*/ - 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 == false){ - 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 (bpacket_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_signalquality[0] = sq; - pstatus->rx_mimo_signalquality[1] = -1; - } - } else { - rtlpriv->dm.brfpath_rxenable[0] = - rtlpriv->dm.brfpath_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.brfpath_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 (bpacket_match_bssid) - pstatus->rx_mimo_signalstrength[i] = (u8) rssi; - } - - /* (2)PWDB, Average PWDB calculated 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->b_is_ht && pstatus->rate >= DESC_RATEMCS8 && - pstatus->rate <= DESC_RATEMCS15) - max_spatial_stream = 2; - else - max_spatial_stream = 1; - - for (i = 0; i < max_spatial_stream; i++) { - evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); - - if (bpacket_match_bssid) { - /* Fill value in RFD, Get the first - * spatial stream only */ - if (i == 0) - pstatus->signalquality = (u8) (evm & 0xff); - pstatus->rx_mimo_signalquality[i] = (u8) (evm & 0xff); - } - } - } - - /* UI BSS List signal strength(in percentage), - * make it good looking, from 0~100. */ - if (b_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; - -} -#if 0 -static void _rtl8821ae_smart_antenna(struct ieee80211_hw *hw, - struct rtl_stats *pstatus) -{ - struct rtl_dm *rtldm= rtl_dm(rtl_priv(hw)); - struct rtl_efuse *rtlefuse =rtl_efuse(rtl_priv(hw)); - u8 antsel_tr_mux; - struct fast_ant_trainning *pfat_table = &(rtldm->fat_table); - - if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) { - if (pfat_table->fat_state == FAT_TRAINING_STATE) { - if (pstatus->b_packet_toself) { - antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) | - (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0; - pfat_table->ant_sum_rssi[antsel_tr_mux] += pstatus->rx_pwdb_all; - pfat_table->ant_rssi_cnt[antsel_tr_mux]++; - } - } - } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) || - (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) { - if (pstatus->b_packet_toself || pstatus->b_packet_matchbssid) { - antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) | - (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0; - rtl8821ae_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, pstatus->rx_pwdb_all); - } - - } -} -#endif -static void _rtl8821ae_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; - u16 fc, type; - bool b_packet_matchbssid, b_packet_toself, b_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(fc); - praddr = hdr->addr1; - psaddr = ieee80211_get_SA(hdr); - memcpy(pstatus->psaddr, psaddr, ETH_ALEN); - - b_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->b_hwerror) && - (!pstatus->b_crc) && (!pstatus->b_icv)); - - b_packet_toself = b_packet_matchbssid && - (!ether_addr_equal(praddr, rtlefuse->dev_addr)); - - if (ieee80211_is_beacon(fc)) - b_packet_beacon = true; - else - b_packet_beacon = false; - - if (b_packet_beacon && b_packet_matchbssid) - rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; - - _rtl8821ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, - b_packet_matchbssid, b_packet_toself, - b_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); -} - -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->b_icv = (u16) GET_RX_DESC_ICV(pdesc); - status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc); - status->b_hwerror = (status->b_crc | status->b_icv); - status->decrypted = !GET_RX_DESC_SWDEC(pdesc); - status->rate = (u8) GET_RX_DESC_RXMCS(pdesc); - status->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); - status->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); - status->b_isfirst_ampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); - status->timestamp_low = GET_RX_DESC_TSFL(pdesc); - status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); - status->macid = GET_RX_DESC_MACID(pdesc); - status->b_is_ht = (bool)GET_RX_DESC_RXHT(pdesc); - - status->b_is_cck = RX_HAL_IS_CCK_RATE(status->rate); - - 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(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->b_crc) - rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - - if (status->rx_is40Mhzpacket) - rx_status->flag |= RX_FLAG_40MHZ; - - if (status->b_is_ht) - rx_status->flag |= RX_FLAG_HT; - - rx_status->flag |= RX_FLAG_MACTIME_MPDU; - - /* hw will set status->decrypted true, if it finds the - * frame is open data frame or mgmt frame. */ - /* So hw will not decryption robust management 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, from 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 = _rtl8821ae_rate_mapping(hw, - status->b_is_ht, status->rate); - - rx_status->mactime = status->timestamp_low; - if (phystatus == true) { - p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data + - status->rx_bufshift); - - _rtl8821ae_translate_rx_signal_stuff(hw, - skb, status, pdesc, - p_drvinfo); - } - - /*rx_status->qual = status->signal; */ - rx_status->signal = status->recvsignalpower + 10; - /*rx_status->noise = -status->noise; */ - 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 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; - u16 fc = le16_to_cpu(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 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; - 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->b_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(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)) { - b_firstseg = true; - b_lastseg = true; - } - if (b_firstseg) { - if (rtlhal->b_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(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, 0x14); - } - SET_TX_DESC_SEQ(pdesc, seq_number); - SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->b_rts_enable && - !ptcb_desc->b_cts_enable) ? 1 : 0)); - SET_TX_DESC_HW_RTS_ENABLE(pdesc,0); - SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->b_cts_enable) ? 1 : 0)); - /* SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->b_rts_stbc) ? 1 : 0));*/ - - SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); - /* SET_TX_DESC_RTS_BW(pdesc, 0);*/ - SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); - SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= DESC_RATE54M) ? - (ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) : - (ptcb_desc->b_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->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); - 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 0 - SET_TX_DESC_USE_RATE(pdesc, 1); - SET_TX_DESC_TX_RATE(pdesc, 0x04); - - SET_TX_DESC_RETRY_LIMIT_ENABLE(pdesc, 1); - SET_TX_DESC_DATA_RETRY_LIMIT(pdesc, 0x3f); -#endif - - /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/ - /* Set TxRate and RTSRate in TxDesc */ - /* This prevent Tx initial rate of new-coming packets */ - /* from being overwritten by retried packet rate.*/ - if (!ptcb_desc->use_driver_rate) { - /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */ - /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ - } - if (ieee80211_is_data_qos(fc)) { - if (mac->rdg_en) { - RT_TRACE(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) buf_len); - SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); - //if (rtlpriv->dm.b_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_QOS(pdesc, 1); -*/ - 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, (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); - } - - rtl8821ae_dm_set_tx_ant_by_tx_info(hw,pdesc,ptcb_desc->mac_id); - RT_TRACE(COMP_SEND, DBG_TRACE, ("\n")); -} - -void rtl8821ae_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(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); -/* - if(IsCtrlNDPA(VirtualAddress) || IsMgntNDPA(VirtualAddress)) - { - SET_TX_DESC_DATA_RETRY_LIMIT_8812(pDesc, 5); - SET_TX_DESC_RETRY_LIMIT_ENABLE_8812(pDesc, 1); - - if(IsMgntNDPA(VirtualAddress)) - { - SET_TX_DESC_NDPA_8812(pDesc, 1); - SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb)); - } - else - { - SET_TX_DESC_NDPA_8812(pDesc, 2); - SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb)); - } - }*/ - - SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len)); - - SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(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 == 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 rtl8821ae_get_desc(u8 *pdesc, bool istx, u8 desc_name) -{ - u32 ret = 0; - - if (istx == true) { - 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 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; - else - 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)); - } -} |