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linux/linux-5.18.11/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/trx.c

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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2013 Realtek Corporation.*/
#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "trx.h"
#include "led.h"
#include "dm.h"
#include "phy.h"
static u8 _rtl88ee_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 _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
struct rtl_stats *pstatus, __le32 *pdesc,
struct rx_fwinfo_88e *p_drvinfo,
bool bpacket_match_bssid,
bool bpacket_toself, bool packet_beacon)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct phy_sts_cck_8192s_t *cck_buf;
struct phy_status_rpt *phystrpt =
(struct phy_status_rpt *)p_drvinfo;
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
s8 rx_pwr_all = 0, rx_pwr[4];
u8 rf_rx_num = 0, evm, pwdb_all;
u8 i, max_spatial_stream;
u32 rssi, total_rssi = 0;
bool 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_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
cck_agc_rpt = cck_buf->cck_agc_rpt;
/* (1)Hardware does not provide RSSI for CCK
* (2)PWDB, Average PWDB cacluated 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)
/*VGA_idx = 27~2*/
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:
if (cck_highpwr)
/*VGA_idx = 5~0*/
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 += 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) {
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.rfpath_rxenable[0] =
rtlpriv->dm.rfpath_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.rfpath_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 cacluated 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->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
pstatus->rate <= DESC92C_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 onlyi
*/
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 (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 = phystrpt->ant_sel;
rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
}
static void _rtl88ee_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_training *pfat_table = &rtldm->fat_table;
if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
if (pfat_table->fat_state == FAT_TRAINING_STATE) {
if (pstatus->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[antsel_tr_mux] +=
pstatus->rx_pwdb_all;
pfat_table->ant_cnt[antsel_tr_mux]++;
}
}
} else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
(rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
if (pstatus->packet_toself || pstatus->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;
rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0,
pstatus->rx_pwdb_all);
}
}
}
static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct rtl_stats *pstatus,
__le32 *pdesc,
struct rx_fwinfo_88e *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;
hdr = (struct ieee80211_hdr *)tmp_buf;
fc = hdr->frame_control;
praddr = hdr->addr1;
psaddr = ieee80211_get_SA(hdr);
memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
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(hdr->frame_control))
packet_beacon = true;
else
packet_beacon = false;
_rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
packet_matchbssid, packet_toself,
packet_beacon);
_rtl88ee_smart_antenna(hw, pstatus);
rtl_process_phyinfo(hw, tmp_buf, pstatus);
}
static void rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
__le32 *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 rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
struct rtl_stats *status,
struct ieee80211_rx_status *rx_status,
u8 *pdesc8, struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rx_fwinfo_88e *p_drvinfo;
struct ieee80211_hdr *hdr;
u8 wake_match;
__le32 *pdesc = (__le32 *)pdesc8;
u32 phystatus = get_rx_desc_physt(pdesc);
status->packet_report_type = (u8)get_rx_status_desc_rpt_sel(pdesc);
if (status->packet_report_type == TX_REPORT2)
status->length = (u16)get_rx_rpt2_desc_pkt_len(pdesc);
else
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->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
status->isampdu = (bool) (get_rx_desc_paggr(pdesc) == 1);
status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
(get_rx_desc_faggr(pdesc) == 1));
if (status->packet_report_type == NORMAL_RX)
status->timestamp_low = get_rx_desc_tsfl(pdesc);
status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
status->is_ht = (bool)get_rx_desc_rxht(pdesc);
status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
status->macid = get_rx_desc_macid(pdesc);
if (get_rx_status_desc_pattern_match(pdesc))
wake_match = BIT(2);
else if (get_rx_status_desc_magic_match(pdesc))
wake_match = BIT(1);
else if (get_rx_status_desc_unicast_match(pdesc))
wake_match = BIT(0);
else
wake_match = 0;
if (wake_match)
rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
"GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
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->crc)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (status->rx_is40mhzpacket)
rx_status->bw = RATE_INFO_BW_40;
if (status->is_ht)
rx_status->encoding = RX_ENC_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 == true) {
p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
status->rx_bufshift);
_rtl88ee_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;
}
void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc8,
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);
u16 seq_number;
__le16 fc = hdr->frame_control;
unsigned int buf_len = 0;
unsigned int skb_len = skb->len;
u8 fw_qsel = _rtl88ee_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;
__le32 *pdesc = (__le32 *)pdesc8;
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 = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
DMA_TO_DEVICE);
if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
"DMA mapping error\n");
return;
}
clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_88e));
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) {
rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
"Insert 8 byte.pTcb->EMPktNum:%d\n",
ptcb_desc->empkt_num);
rtl88ee_insert_emcontent(ptcb_desc,
(__le32 *)(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 > DESC92C_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->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_stbc(pdesc, ((ptcb_desc->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 <= DESC92C_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);
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_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) {
rtl_dbg(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))
set_tx_desc_hwseq_en(pdesc, 1);
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);
}
rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id);
rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}
void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
u8 *pdesc8, 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;
__le32 *pdesc = (__le32 *)pdesc8;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
skb->len, DMA_TO_DEVICE);
if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
"DMA mapping error\n");
return;
}
clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
if (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, 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(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);
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
"H2C Tx Cmd Content\n",
pdesc, TX_DESC_SIZE);
}
void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
bool istx, u8 desc_name, u8 *val)
{
__le32 *pdesc = (__le32 *)pdesc8;
if (istx) {
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:
WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\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:
WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
desc_name);
break;
}
}
}
u64 rtl88ee_get_desc(struct ieee80211_hw *hw,
u8 *pdesc8, bool istx, u8 desc_name)
{
u32 ret = 0;
__le32 *pdesc = (__le32 *)pdesc8;
if (istx) {
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:
WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\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:
WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
desc_name);
break;
}
}
return ret;
}
bool rtl88ee_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)rtl88ee_get_desc(hw, 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;
return true;
}
void rtl88ee_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));
}
}
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