+++ /dev/null
-/******************************************************************************
- *
- * Copyright(c) 2009-2014 Realtek Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * wlanfae <wlanfae@realtek.com>
- * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
- * Hsinchu 300, Taiwan.
- *
- * Larry Finger <Larry.Finger@lwfinger.net>
- *
- *****************************************************************************/
-
-#include "../wifi.h"
-#include "../pci.h"
-#include "../base.h"
-#include "../stats.h"
-#include "reg.h"
-#include "def.h"
-#include "phy.h"
-#include "trx.h"
-#include "led.h"
-#include "dm.h"
-#include "fw.h"
-
-static u8 _rtl92ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
-{
- __le16 fc = rtl_get_fc(skb);
-
- if (unlikely(ieee80211_is_beacon(fc)))
- return QSLT_BEACON;
- if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
- return QSLT_MGNT;
-
- return skb->priority;
-}
-
-static void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw,
- struct rtl_stats *pstatus, u8 *pdesc,
- struct rx_fwinfo *p_drvinfo,
- bool bpacket_match_bssid,
- bool bpacket_toself,
- bool packet_beacon)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
- char rx_pwr_all = 0, rx_pwr[4];
- u8 rf_rx_num = 0, evm, pwdb_all;
- u8 i, max_spatial_stream;
- u32 rssi, total_rssi = 0;
- bool is_cck = pstatus->is_cck;
- u8 lan_idx, vga_idx;
-
- /* Record it for next packet processing */
- pstatus->packet_matchbssid = bpacket_match_bssid;
- pstatus->packet_toself = bpacket_toself;
- pstatus->packet_beacon = packet_beacon;
- pstatus->rx_mimo_signalquality[0] = -1;
- pstatus->rx_mimo_signalquality[1] = -1;
-
- if (is_cck) {
- u8 cck_highpwr;
- u8 cck_agc_rpt;
- /* CCK Driver info Structure is not the same as OFDM packet. */
- cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
-
- /* (1)Hardware does not provide RSSI for CCK
- * (2)PWDB, Average PWDB cacluated by
- * hardware (for rate adaptive)
- */
- cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
- BIT(9));
-
- lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
- vga_idx = (cck_agc_rpt & 0x1f);
- switch (lan_idx) {
- case 7: /*VGA_idx = 27~2*/
- if (vga_idx <= 27)
- rx_pwr_all = -100 + 2 * (27 - vga_idx);
- else
- rx_pwr_all = -100;
- break;
- case 6: /*VGA_idx = 2~0*/
- rx_pwr_all = -48 + 2 * (2 - vga_idx);
- break;
- case 5: /*VGA_idx = 7~5*/
- rx_pwr_all = -42 + 2 * (7 - vga_idx);
- break;
- case 4: /*VGA_idx = 7~4*/
- rx_pwr_all = -36 + 2 * (7 - vga_idx);
- break;
- case 3: /*VGA_idx = 7~0*/
- rx_pwr_all = -24 + 2 * (7 - vga_idx);
- break;
- case 2: /*VGA_idx = 5~0*/
- if (cck_highpwr)
- rx_pwr_all = -12 + 2 * (5 - vga_idx);
- else
- rx_pwr_all = -6 + 2 * (5 - vga_idx);
- break;
- case 1:
- rx_pwr_all = 8 - 2 * vga_idx;
- break;
- case 0:
- rx_pwr_all = 14 - 2 * vga_idx;
- break;
- default:
- break;
- }
- rx_pwr_all += 16;
- pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
-
- if (!cck_highpwr) {
- if (pwdb_all >= 80)
- pwdb_all = ((pwdb_all - 80) << 1) +
- ((pwdb_all - 80) >> 1) + 80;
- else if ((pwdb_all <= 78) && (pwdb_all >= 20))
- pwdb_all += 3;
- if (pwdb_all > 100)
- pwdb_all = 100;
- }
-
- pstatus->rx_pwdb_all = pwdb_all;
- pstatus->bt_rx_rssi_percentage = pwdb_all;
- pstatus->recvsignalpower = rx_pwr_all;
-
- /* (3) Get Signal Quality (EVM) */
- if (bpacket_match_bssid) {
- u8 sq, sq_rpt;
-
- if (pstatus->rx_pwdb_all > 40) {
- sq = 100;
- } else {
- sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
- if (sq_rpt > 64)
- sq = 0;
- else if (sq_rpt < 20)
- sq = 100;
- else
- sq = ((64 - sq_rpt) * 100) / 44;
- }
-
- pstatus->signalquality = sq;
- pstatus->rx_mimo_signalquality[0] = sq;
- pstatus->rx_mimo_signalquality[1] = -1;
- }
- } else {
- /* (1)Get RSSI for HT rate */
- for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
- /* we will judge RF RX path now. */
- if (rtlpriv->dm.rfpath_rxenable[i])
- rf_rx_num++;
-
- rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
- - 110;
-
- pstatus->rx_pwr[i] = rx_pwr[i];
- /* Translate DBM to percentage. */
- rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
- total_rssi += rssi;
-
- pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
- }
-
- /* (2)PWDB, Average PWDB cacluated by
- * hardware (for rate adaptive)
- */
- rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1)
- & 0x7f) - 110;
-
- pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
- pstatus->rx_pwdb_all = pwdb_all;
- pstatus->bt_rx_rssi_percentage = pwdb_all;
- pstatus->rxpower = rx_pwr_all;
- pstatus->recvsignalpower = rx_pwr_all;
-
- /* (3)EVM of HT rate */
- if (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_phystrpt->stream_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);
- }
- }
-
- if (bpacket_match_bssid) {
- for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
- rtl_priv(hw)->dm.cfo_tail[i] =
- (int)p_phystrpt->path_cfotail[i];
-
- if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
- rtl_priv(hw)->dm.packet_count = 0;
- else
- rtl_priv(hw)->dm.packet_count++;
- }
- }
-
- /* UI BSS List signal strength(in percentage),
- * make it good looking, from 0~100.
- */
- if (is_cck)
- pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
- pwdb_all));
- else if (rf_rx_num != 0)
- pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
- total_rssi /= rf_rx_num));
-}
-
-static void _rtl92ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct rtl_stats *pstatus,
- 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;
- u8 *psaddr;
- __le16 fc;
- bool packet_matchbssid, packet_toself, packet_beacon;
-
- tmp_buf = skb->data + pstatus->rx_drvinfo_size +
- pstatus->rx_bufshift + 24;
-
- hdr = (struct ieee80211_hdr *)tmp_buf;
- fc = hdr->frame_control;
- praddr = hdr->addr1;
- psaddr = ieee80211_get_SA(hdr);
- ether_addr_copy(pstatus->psaddr, psaddr);
-
- packet_matchbssid = (!ieee80211_is_ctl(fc) &&
- (ether_addr_equal(mac->bssid,
- ieee80211_has_tods(fc) ?
- hdr->addr1 :
- ieee80211_has_fromds(fc) ?
- hdr->addr2 : hdr->addr3)) &&
- (!pstatus->hwerror) && (!pstatus->crc) &&
- (!pstatus->icv));
-
- packet_toself = packet_matchbssid &&
- (ether_addr_equal(praddr, rtlefuse->dev_addr));
-
- if (ieee80211_is_beacon(fc))
- packet_beacon = true;
- else
- packet_beacon = false;
-
- if (packet_beacon && packet_matchbssid)
- rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
-
- if (packet_matchbssid && ieee80211_is_data_qos(hdr->frame_control) &&
- !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
- struct ieee80211_qos_hdr *hdr_qos =
- (struct ieee80211_qos_hdr *)tmp_buf;
- u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;
-
- if (tid != 0 && tid != 3)
- rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
- }
-
- _rtl92ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
- packet_matchbssid, packet_toself,
- packet_beacon);
- rtl_process_phyinfo(hw, tmp_buf, pstatus);
-}
-
-static void _rtl92ee_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 rtl92ee_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 *p_drvinfo;
- struct ieee80211_hdr *hdr;
- u32 phystatus = GET_RX_DESC_PHYST(pdesc);
-
- if (GET_RX_STATUS_DESC_RPT_SEL(pdesc) == 0)
- status->packet_report_type = NORMAL_RX;
- else
- status->packet_report_type = C2H_PACKET;
- status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
- status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
- RX_DRV_INFO_SIZE_UNIT;
- status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
- status->icv = (u16)GET_RX_DESC_ICV(pdesc);
- status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
- status->hwerror = (status->crc | status->icv);
- status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
- status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
- status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
- status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
- status->is_cck = RTL92EE_RX_HAL_IS_CCK_RATE(status->rate);
-
- status->macid = GET_RX_DESC_MACID(pdesc);
- if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
- status->wake_match = BIT(2);
- else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
- status->wake_match = BIT(1);
- else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
- status->wake_match = BIT(0);
- else
- status->wake_match = 0;
- if (status->wake_match)
- RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
- "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
- status->wake_match);
- rx_status->freq = hw->conf.chandef.chan->center_freq;
- rx_status->band = hw->conf.chandef.chan->band;
-
- hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
- status->rx_bufshift + 24);
-
- if (status->crc)
- rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
-
- if (status->rx_is40Mhzpacket)
- rx_status->flag |= RX_FLAG_40MHZ;
-
- if (status->is_ht)
- rx_status->flag |= RX_FLAG_HT;
-
- rx_status->flag |= RX_FLAG_MACTIME_START;
-
- /* hw will set status->decrypted true, if it finds the
- * frame is open data frame or mgmt frame.
- * So hw will not decryption robust managment frame
- * for IEEE80211w but still set status->decrypted
- * true, so here we should set it back to undecrypted
- * for IEEE80211w frame, and mac80211 sw will help
- * to decrypt it
- */
- if (status->decrypted) {
- if ((!_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 = rtlwifi_rate_mapping(hw, status->is_ht,
- false, status->rate);
-
- rx_status->mactime = status->timestamp_low;
- if (phystatus) {
- p_drvinfo = (struct rx_fwinfo *)(skb->data +
- status->rx_bufshift + 24);
-
- _rtl92ee_translate_rx_signal_stuff(hw, skb, status, pdesc,
- p_drvinfo);
- }
- rx_status->signal = status->recvsignalpower + 10;
- if (status->packet_report_type == TX_REPORT2) {
- status->macid_valid_entry[0] =
- GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
- status->macid_valid_entry[1] =
- GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
- }
- return true;
-}
-
-/*in Windows, this == Rx_92EE_Interrupt*/
-void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc,
- u8 queue_index)
-{
- u8 first_seg = 0;
- u8 last_seg = 0;
- u16 total_len = 0;
- u16 read_cnt = 0;
-
- if (header_desc == NULL)
- return;
-
- total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
-
- first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
-
- last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
-
- while (total_len == 0 && first_seg == 0 && last_seg == 0) {
- read_cnt++;
- total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
- first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
- last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
-
- if (read_cnt > 20)
- break;
- }
-}
-
-u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u16 read_point = 0, write_point = 0, remind_cnt = 0;
- u32 tmp_4byte = 0;
- static u16 last_read_point;
- static bool start_rx;
-
- tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
- read_point = (u16)((tmp_4byte>>16) & 0x7ff);
- write_point = (u16)(tmp_4byte & 0x7ff);
-
- if (write_point != rtlpci->rx_ring[queue_index].next_rx_rp) {
- RT_TRACE(rtlpriv, COMP_RXDESC, DBG_DMESG,
- "!!!write point is 0x%x, reg 0x3B4 value is 0x%x\n",
- write_point, tmp_4byte);
- tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
- read_point = (u16)((tmp_4byte>>16) & 0x7ff);
- write_point = (u16)(tmp_4byte & 0x7ff);
- }
-
- if (read_point > 0)
- start_rx = true;
- if (!start_rx)
- return 0;
-
- remind_cnt = calc_fifo_space(read_point, write_point);
-
- if (remind_cnt == 0)
- return 0;
-
- rtlpci->rx_ring[queue_index].next_rx_rp = write_point;
-
- last_read_point = read_point;
- return remind_cnt;
-}
-
-static u16 get_desc_addr_fr_q_idx(u16 queue_index)
-{
- u16 desc_address = REG_BEQ_TXBD_IDX;
-
- switch (queue_index) {
- case BK_QUEUE:
- desc_address = REG_BKQ_TXBD_IDX;
- break;
- case BE_QUEUE:
- desc_address = REG_BEQ_TXBD_IDX;
- break;
- case VI_QUEUE:
- desc_address = REG_VIQ_TXBD_IDX;
- break;
- case VO_QUEUE:
- desc_address = REG_VOQ_TXBD_IDX;
- break;
- case BEACON_QUEUE:
- desc_address = REG_BEQ_TXBD_IDX;
- break;
- case TXCMD_QUEUE:
- desc_address = REG_BEQ_TXBD_IDX;
- break;
- case MGNT_QUEUE:
- desc_address = REG_MGQ_TXBD_IDX;
- break;
- case HIGH_QUEUE:
- desc_address = REG_HI0Q_TXBD_IDX;
- break;
- case HCCA_QUEUE:
- desc_address = REG_BEQ_TXBD_IDX;
- break;
- default:
- break;
- }
- return desc_address;
-}
-
-u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u16 point_diff = 0;
- u16 current_tx_read_point = 0, current_tx_write_point = 0;
- u32 tmp_4byte;
-
- tmp_4byte = rtl_read_dword(rtlpriv,
- get_desc_addr_fr_q_idx(q_idx));
- current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff);
- current_tx_write_point = (u16)((tmp_4byte) & 0x0fff);
-
- point_diff = calc_fifo_space(current_tx_read_point,
- current_tx_write_point);
-
- rtlpci->tx_ring[q_idx].avl_desc = point_diff;
- return point_diff;
-}
-
-void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw,
- u8 *tx_bd_desc, u8 *desc, u8 queue_index,
- struct sk_buff *skb, dma_addr_t addr)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- u32 pkt_len = skb->len;
- u16 desc_size = 40; /*tx desc size*/
- u32 psblen = 0;
- u16 tx_page_size = 0;
- u32 total_packet_size = 0;
- u16 current_bd_desc;
- u8 i = 0;
- u16 real_desc_size = 0x28;
- u16 append_early_mode_size = 0;
-#if (RTL8192EE_SEG_NUM == 0)
- u8 segmentnum = 2;
-#elif (RTL8192EE_SEG_NUM == 1)
- u8 segmentnum = 4;
-#elif (RTL8192EE_SEG_NUM == 2)
- u8 segmentnum = 8;
-#endif
-
- tx_page_size = 2;
- current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp;
-
- total_packet_size = desc_size+pkt_len;
-
- if (rtlpriv->rtlhal.earlymode_enable) {
- if (queue_index < BEACON_QUEUE) {
- append_early_mode_size = 8;
- total_packet_size += append_early_mode_size;
- }
- }
-
- if (tx_page_size > 0) {
- psblen = (pkt_len + real_desc_size + append_early_mode_size) /
- (tx_page_size * 128);
-
- if (psblen * (tx_page_size * 128) < total_packet_size)
- psblen += 1;
- }
-
- /* Reset */
- SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_PSB(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_OWN(tx_bd_desc, 0);
-
- for (i = 1; i < segmentnum; i++) {
- SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, i, 0);
- SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, i, 0);
- SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, i, 0);
-#if (DMA_IS_64BIT == 1)
- SET_TXBUFFER_DESC_ADD_HIGT_WITH_OFFSET(tx_bd_desc, i, 0);
-#endif
- }
- SET_TX_BUFF_DESC_LEN_1(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_AMSDU_1(tx_bd_desc, 0);
-
- SET_TX_BUFF_DESC_LEN_2(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_AMSDU_2(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_LEN_3(tx_bd_desc, 0);
- SET_TX_BUFF_DESC_AMSDU_3(tx_bd_desc, 0);
- /* Clear all status */
- CLEAR_PCI_TX_DESC_CONTENT(desc, TX_DESC_SIZE);
-
- if (rtlpriv->rtlhal.earlymode_enable) {
- if (queue_index < BEACON_QUEUE) {
- /* This if needs braces */
- SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size + 8);
- } else {
- SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
- }
- } else {
- SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
- }
- SET_TX_BUFF_DESC_PSB(tx_bd_desc, psblen);
- SET_TX_BUFF_DESC_ADDR_LOW_0(tx_bd_desc,
- rtlpci->tx_ring[queue_index].dma +
- (current_bd_desc * TX_DESC_SIZE));
-
- SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, 1, pkt_len);
- /* don't using extendsion mode. */
- SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, 1, 0);
- SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, 1, addr);
-
- SET_TX_DESC_PKT_SIZE(desc, (u16)(pkt_len));
- SET_TX_DESC_TX_BUFFER_SIZE(desc, (u16)(pkt_len));
-}
-
-void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw,
- struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- u8 *pbd_desc_tx,
- struct ieee80211_tx_info *info,
- struct ieee80211_sta *sta,
- struct sk_buff *skb,
- u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
- u8 *pdesc = (u8 *)pdesc_tx;
- u16 seq_number;
- __le16 fc = hdr->frame_control;
- unsigned int buf_len = 0;
- u8 fw_qsel = _rtl92ee_map_hwqueue_to_fwqueue(skb, hw_queue);
- bool firstseg = ((hdr->seq_ctrl &
- cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
- bool lastseg = ((hdr->frame_control &
- cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
- dma_addr_t mapping;
- u8 bw_40 = 0;
- u8 short_gi = 0;
-
- if (mac->opmode == NL80211_IFTYPE_STATION) {
- bw_40 = mac->bw_40;
- } else if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC) {
- if (sta)
- bw_40 = sta->ht_cap.cap &
- IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- }
- seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
- rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
- /* reserve 8 byte for AMPDU early mode */
- if (rtlhal->earlymode_enable) {
- skb_push(skb, EM_HDR_LEN);
- memset(skb->data, 0, EM_HDR_LEN);
- }
- buf_len = skb->len;
- mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
- RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
- "DMA mapping error");
- return;
- }
-
- if (pbd_desc_tx != NULL)
- rtl92ee_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc, hw_queue,
- skb, mapping);
-
- if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
- firstseg = true;
- lastseg = true;
- }
- if (firstseg) {
- if (rtlhal->earlymode_enable) {
- SET_TX_DESC_PKT_OFFSET(pdesc, 1);
- SET_TX_DESC_OFFSET(pdesc,
- USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
- if (ptcb_desc->empkt_num) {
- RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
- "Insert 8 byte.pTcb->EMPktNum:%d\n",
- ptcb_desc->empkt_num);
- _rtl92ee_insert_emcontent(ptcb_desc,
- (u8 *)(skb->data));
- }
- } else {
- SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
- }
-
- SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
-
- if (ieee80211_is_mgmt(fc)) {
- ptcb_desc->use_driver_rate = true;
- } else {
- if (rtlpriv->ra.is_special_data) {
- ptcb_desc->use_driver_rate = true;
- SET_TX_DESC_TX_RATE(pdesc, DESC_RATE11M);
- } else {
- ptcb_desc->use_driver_rate = false;
- }
- }
-
- if (ptcb_desc->hw_rate > DESC_RATEMCS0)
- short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
- else
- short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
-
- if (info->flags & IEEE80211_TX_CTL_AMPDU) {
- SET_TX_DESC_AGG_ENABLE(pdesc, 1);
- SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
- }
- SET_TX_DESC_SEQ(pdesc, seq_number);
- SET_TX_DESC_RTS_ENABLE(pdesc,
- ((ptcb_desc->rts_enable &&
- !ptcb_desc->cts_enable) ? 1 : 0));
- SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
- SET_TX_DESC_CTS2SELF(pdesc,
- ((ptcb_desc->cts_enable) ? 1 : 0));
-
- SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
- SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
- SET_TX_DESC_RTS_SHORT(pdesc,
- ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
- (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
- (ptcb_desc->rts_use_shortgi ? 1 : 0)));
-
- if (ptcb_desc->tx_enable_sw_calc_duration)
- SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
-
- if (bw_40) {
- if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
- 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);
- 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 *key = info->control.hw_key;
-
- switch (key->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);
-
- /*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(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_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);
- }
-
- SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
- if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
- is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
- SET_TX_DESC_BMC(pdesc, 1);
- }
- RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
-}
-
-void rtl92ee_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));
- u8 fw_queue = QSLT_BEACON;
- dma_addr_t mapping = pci_map_single(rtlpci->pdev,
- skb->data, skb->len,
- PCI_DMA_TODEVICE);
- u8 txdesc_len = 40;
-
- 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, txdesc_len);
-
- if (firstseg)
- SET_TX_DESC_OFFSET(pdesc, txdesc_len);
-
- 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_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, 40);
-
- SET_TX_DESC_USE_RATE(pdesc, 1);
-
- RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
- "H2C Tx Cmd Content\n", pdesc, txdesc_len);
-}
-
-void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
- u8 desc_name, u8 *val)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u16 cur_tx_rp = 0;
- u16 cur_tx_wp = 0;
- static u16 last_txw_point;
- static bool over_run;
- u32 tmp = 0;
- u8 q_idx = *val;
-
- if (istx) {
- switch (desc_name) {
- case HW_DESC_TX_NEXTDESC_ADDR:
- SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
- break;
- case HW_DESC_OWN:{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
- u16 max_tx_desc = ring->entries;
-
- if (q_idx == BEACON_QUEUE) {
- ring->cur_tx_wp = 0;
- ring->cur_tx_rp = 0;
- SET_TX_BUFF_DESC_OWN(pdesc, 1);
- return;
- }
-
- ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc);
-
- if (over_run) {
- ring->cur_tx_wp = 0;
- over_run = false;
- }
- if (ring->avl_desc > 1) {
- ring->avl_desc--;
-
- rtl_write_word(rtlpriv,
- get_desc_addr_fr_q_idx(q_idx),
- ring->cur_tx_wp);
-
- if (q_idx == 1)
- last_txw_point = cur_tx_wp;
- }
-
- if (ring->avl_desc < (max_tx_desc - 15)) {
- u16 point_diff = 0;
-
- tmp =
- rtl_read_dword(rtlpriv,
- get_desc_addr_fr_q_idx(q_idx));
- cur_tx_rp = (u16)((tmp >> 16) & 0x0fff);
- cur_tx_wp = (u16)(tmp & 0x0fff);
-
- ring->cur_tx_wp = cur_tx_wp;
- ring->cur_tx_rp = cur_tx_rp;
- point_diff = ((cur_tx_rp > cur_tx_wp) ?
- (cur_tx_rp - cur_tx_wp) :
- (TX_DESC_NUM_92E - 1 -
- cur_tx_wp + cur_tx_rp));
-
- ring->avl_desc = point_diff;
- }
- }
- break;
- }
- } else {
- switch (desc_name) {
- case HW_DESC_RX_PREPARE:
- SET_RX_BUFFER_DESC_LS(pdesc, 0);
- SET_RX_BUFFER_DESC_FS(pdesc, 0);
- SET_RX_BUFFER_DESC_TOTAL_LENGTH(pdesc, 0);
-
- SET_RX_BUFFER_DESC_DATA_LENGTH(pdesc,
- MAX_RECEIVE_BUFFER_SIZE +
- RX_DESC_SIZE);
-
- SET_RX_BUFFER_PHYSICAL_LOW(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 rtl92ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
-{
- u32 ret = 0;
-
- if (istx) {
- switch (desc_name) {
- case HW_DESC_OWN:
- ret = GET_TX_DESC_OWN(pdesc);
- break;
- case HW_DESC_TXBUFF_ADDR:
- ret = GET_TXBUFFER_DESC_ADDR_LOW(pdesc, 1);
- 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;
- case HW_DESC_RXBUFF_ADDR:
- ret = GET_RX_DESC_BUFF_ADDR(pdesc);
- break;
- default:
- RT_ASSERT(false,
- "ERR rxdesc :%d not process\n", desc_name);
- break;
- }
- }
- return ret;
-}
-
-bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
-{
- struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u16 read_point, write_point, available_desc_num;
- bool ret = false;
- static u8 stop_report_cnt;
- struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
-
- {
- u16 point_diff = 0;
- u16 cur_tx_rp, cur_tx_wp;
- u32 tmpu32 = 0;
-
- tmpu32 =
- rtl_read_dword(rtlpriv,
- get_desc_addr_fr_q_idx(hw_queue));
- cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff);
- cur_tx_wp = (u16)(tmpu32 & 0x0fff);
-
- ring->cur_tx_wp = cur_tx_wp;
- ring->cur_tx_rp = cur_tx_rp;
- point_diff = ((cur_tx_rp > cur_tx_wp) ?
- (cur_tx_rp - cur_tx_wp) :
- (TX_DESC_NUM_92E - cur_tx_wp + cur_tx_rp));
-
- ring->avl_desc = point_diff;
- }
-
- read_point = ring->cur_tx_rp;
- write_point = ring->cur_tx_wp;
- available_desc_num = ring->avl_desc;
-
- if (write_point > read_point) {
- if (index < write_point && index >= read_point)
- ret = false;
- else
- ret = true;
- } else if (write_point < read_point) {
- if (index > write_point && index < read_point)
- ret = true;
- else
- ret = false;
- } else {
- if (index != read_point)
- ret = true;
- }
-
- if (hw_queue == BEACON_QUEUE)
- ret = true;
-
- if (rtlpriv->rtlhal.driver_is_goingto_unload ||
- rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS)
- ret = true;
-
- if (hw_queue < BEACON_QUEUE) {
- if (!ret)
- stop_report_cnt++;
- else
- stop_report_cnt = 0;
- }
-
- return ret;
-}
-
-void rtl92ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
-{
-}
-
-u32 rtl92ee_rx_command_packet(struct ieee80211_hw *hw,
- struct rtl_stats status,
- struct sk_buff *skb)
-{
- u32 result = 0;
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- switch (status.packet_report_type) {
- case NORMAL_RX:
- result = 0;
- break;
- case C2H_PACKET:
- rtl92ee_c2h_packet_handler(hw, skb->data, (u8)skb->len);
- result = 1;
- break;
- default:
- RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
- "Unknown packet type %d\n", status.packet_report_type);
- break;
- }
-
- return result;
-}
Code Review / kvmfornfv.git / blobdiff