+++ /dev/null
-/******************************************************************************
- *
- * 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 "trx.h"
-#include "led.h"
-
-static u8 _rtl92de_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))
- return QSLT_MGNT;
-
- return skb->priority;
-}
-
-static u8 _rtl92d_query_rxpwrpercentage(char antpower)
-{
- if ((antpower <= -100) || (antpower >= 20))
- return 0;
- else if (antpower >= 0)
- return 100;
- else
- return 100 + antpower;
-}
-
-static u8 _rtl92d_evm_db_to_percentage(char value)
-{
- char 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 _rtl92de_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 _rtl92de_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 _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
- struct rtl_stats *pstats,
- struct rx_desc_92d *pdesc,
- struct rx_fwinfo_92d *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_8192d *cck_buf;
- s8 rx_pwr_all, rx_pwr[4];
- u8 rf_rx_num = 0, evm, pwdb_all;
- u8 i, max_spatial_stream;
- u32 rssi, total_rssi = 0;
- bool is_cck_rate;
-
- is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
- pstats->packet_matchbssid = packet_match_bssid;
- pstats->packet_toself = packet_toself;
- pstats->packet_beacon = packet_beacon;
- pstats->is_cck = is_cck_rate;
- pstats->rx_mimo_sig_qual[0] = -1;
- pstats->rx_mimo_sig_qual[1] = -1;
-
- if (is_cck_rate) {
- u8 report, cck_highpwr;
- cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
- if (ppsc->rfpwr_state == ERFON)
- cck_highpwr = (u8) rtl_get_bbreg(hw,
- RFPGA0_XA_HSSIPARAMETER2,
- BIT(9));
- 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 = -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 = _rtl92d_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_sig_qual[0] = sq;
- pstats->rx_mimo_sig_qual[1] = -1;
- }
- } else {
- rtlpriv->dm.rfpath_rxenable[0] = true;
- rtlpriv->dm.rfpath_rxenable[1] = true;
- for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
- if (rtlpriv->dm.rfpath_rxenable[i])
- rf_rx_num++;
- rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
- - 110;
- rssi = _rtl92d_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) - 106;
- pwdb_all = _rtl92d_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 >= DESC_RATEMCS8 &&
- pdesc->rxmcs <= DESC_RATEMCS15)
- max_spatial_stream = 2;
- else
- max_spatial_stream = 1;
- for (i = 0; i < max_spatial_stream; i++) {
- evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
- if (packet_match_bssid) {
- if (i == 0)
- pstats->signalquality =
- (u8)(evm & 0xff);
- pstats->rx_mimo_sig_qual[i] =
- (u8)(evm & 0xff);
- }
- }
- }
- if (is_cck_rate)
- pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
- pwdb_all));
- else if (rf_rx_num != 0)
- pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
- total_rssi /= rf_rx_num));
-}
-
-static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
- struct rtl_stats *pstats)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &(rtlpriv->phy);
- u8 rfpath;
-
- 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 _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
- struct rtl_stats *pstats)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- 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 = _rtl92de_translate_todbm(hw,
- (u8) tmpval);
- pstats->rssi = rtlpriv->stats.signal_strength;
- }
- if (!pstats->is_cck && pstats->packet_toself)
- rtl92d_loop_over_paths(hw, pstats);
-}
-
-static void _rtl92de_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 _rtl92de_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;
-
- if (mac->opmode == NL80211_IFTYPE_ADHOC ||
- mac->opmode == NL80211_IFTYPE_AP)
- return;
- else
- undec_sm_pwdb = rtlpriv->dm.undec_sm_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.undec_sm_pwdb = undec_sm_pwdb;
- _rtl92de_update_rxsignalstatistics(hw, pstats);
- }
-}
-
-static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
- struct rtl_stats *pstats)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- int stream;
-
- for (stream = 0; stream < 2; stream++) {
- if (pstats->rx_mimo_sig_qual[stream] != -1) {
- if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
- rtlpriv->stats.rx_evm_percentage[stream] =
- pstats->rx_mimo_sig_qual[stream];
- }
- rtlpriv->stats.rx_evm_percentage[stream] =
- ((rtlpriv->stats.rx_evm_percentage[stream]
- * (RX_SMOOTH_FACTOR - 1)) +
- (pstats->rx_mimo_sig_qual[stream] * 1)) /
- (RX_SMOOTH_FACTOR);
- }
- }
-}
-
-static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
- struct rtl_stats *pstats)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u32 last_evm, tmpval;
-
- if (pstats->signalquality == 0)
- return;
- 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;
- rtl92d_loop_over_streams(hw, pstats);
- }
-}
-
-static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
- u8 *buffer,
- struct rtl_stats *pcurrent_stats)
-{
-
- if (!pcurrent_stats->packet_matchbssid &&
- !pcurrent_stats->packet_beacon)
- return;
-
- _rtl92de_process_ui_rssi(hw, pcurrent_stats);
- _rtl92de_process_pwdb(hw, pcurrent_stats);
- _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
-}
-
-static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct rtl_stats *pstats,
- struct rx_desc_92d *pdesc,
- struct rx_fwinfo_92d *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;
- u16 type, cfc;
- __le16 fc;
- bool packet_matchbssid, packet_toself, packet_beacon = false;
-
- 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;
- _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
- packet_matchbssid, packet_toself,
- packet_beacon);
- _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
-}
-
-bool rtl92de_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_92d *p_drvinfo;
- struct rx_desc_92d *pdesc = (struct rx_desc_92d *)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->icv = (u16) GET_RX_DESC_ICV(pdesc);
- stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
- stats->hwerror = (stats->crc | stats->icv);
- stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
- stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
- stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
- stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
- stats->isfirst_ampdu = (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);
- stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
- rx_status->freq = hw->conf.chandef.chan->center_freq;
- rx_status->band = hw->conf.chandef.chan->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_MACTIME_START;
- if (stats->decrypted)
- rx_status->flag |= RX_FLAG_DECRYPTED;
- rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
- false, stats->rate);
- rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
- if (phystatus) {
- p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
- stats->rx_bufshift);
- _rtl92de_translate_rx_signal_stuff(hw,
- skb, stats, pdesc,
- p_drvinfo);
- }
- /*rx_status->qual = stats->signal; */
- rx_status->signal = stats->recvsignalpower + 10;
- return true;
-}
-
-static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
- u8 *virtualaddress)
-{
- memset(virtualaddress, 0, 8);
-
- SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
- SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
- SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
- SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
- SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
- SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
- SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
-}
-
-void rtl92de_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);
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- 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 = _rtl92de_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;
-
- 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->bandwidth >= IEEE80211_STA_RX_BW_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_92d));
- 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_LOUD,
- "Insert 8 byte.pTcb->EMPktNum:%d\n",
- ptcb_desc->empkt_num);
- _rtl92de_insert_emcontent(ptcb_desc,
- (u8 *)(skb->data));
- }
- } else {
- SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
- }
- /* 5G have no CCK rate */
- if (rtlhal->current_bandtype == BAND_ON_5G)
- if (ptcb_desc->hw_rate < DESC_RATE6M)
- ptcb_desc->hw_rate = DESC_RATE6M;
- SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
- if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
- SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
-
- if (rtlhal->macphymode == DUALMAC_DUALPHY &&
- ptcb_desc->hw_rate == DESC_RATEMCS7)
- SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
-
- 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, ((ptcb_desc->rts_enable
- || ptcb_desc->cts_enable) ? 1 : 0));
- SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
- SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
- /* 5G have no CCK rate */
- if (rtlhal->current_bandtype == BAND_ON_5G)
- if (ptcb_desc->rts_rate < DESC_RATE6M)
- ptcb_desc->rts_rate = DESC_RATE6M;
- 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->rts_use_shortpreamble ? 1 : 0) :
- (ptcb_desc->rts_use_shortgi ? 1 : 0)));
- 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;
-
- 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, ptcb_desc->disable_ratefallback ?
- 1 : 0);
- SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
-
- /* 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(rtlpriv, COMP_SEND, DBG_TRACE,
- "Enable RDG function\n");
- SET_TX_DESC_RDG_ENABLE(pdesc, 1);
- SET_TX_DESC_HTC(pdesc, 1);
- }
- }
- }
-
- SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
- SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
- SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
- SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
- if (rtlpriv->dm.useramask) {
- 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->ratr_index);
- }
- if (ieee80211_is_data_qos(fc))
- SET_TX_DESC_QOS(pdesc, 1);
-
- if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
- SET_TX_DESC_HWSEQ_EN(pdesc, 1);
- SET_TX_DESC_PKT_ID(pdesc, 8);
- }
- SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
- RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
-}
-
-void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
- u8 *pdesc, bool firstseg,
- bool lastseg, struct sk_buff *skb)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
- struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
- 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);
- __le16 fc = hdr->frame_control;
-
- 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);
- if (firstseg)
- SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
- /* 5G have no CCK rate
- * Caution: The macros below are multi-line expansions.
- * The braces are needed no matter what checkpatch says
- */
- if (rtlhal->current_bandtype == BAND_ON_5G) {
- SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M);
- } else {
- SET_TX_DESC_TX_RATE(pdesc, DESC_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, 7);
- SET_TX_DESC_MACID(pdesc, 0);
- 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_OFFSET(pdesc, 0x20);
- SET_TX_DESC_USE_RATE(pdesc, 1);
-
- if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
- 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", pdesc, TX_DESC_SIZE);
- wmb();
- SET_TX_DESC_OWN(pdesc, 1);
-}
-
-void rtl92de_set_desc(struct ieee80211_hw *hw, 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_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 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
-{
- u32 ret = 0;
-
- if (istx) {
- 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 rtl92de_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));
-}
projects / firefly-linux-kernel-4.4.55.git / blobdiff