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e10542c447
linux-next/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
Mike McCormack e10542c447 rtlwifi: rtl8192{c,ce,cu,se}: Remove comparisons of booleans with true 
These are a potential source of confusion, as most C code treats all
non-zero values as true.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-20 15:47:43 -04:00

1013 lines
25 KiB
C
Raw Blame History

/******************************************************************************
*
* 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 "reg.h"
#include "def.h"
#include "phy.h"
#include "trx.h"
#include "led.h"
static u8 _rtl92ce_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 int _rtl92ce_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu)
{
int rate_idx;
if (first_ampdu) {
if (false == isht) {
switch (desc_rate) {
case DESC92C_RATE1M:
rate_idx = 0;
break;
case DESC92C_RATE2M:
rate_idx = 1;
break;
case DESC92C_RATE5_5M:
rate_idx = 2;
break;
case DESC92C_RATE11M:
rate_idx = 3;
break;
case DESC92C_RATE6M:
rate_idx = 4;
break;
case DESC92C_RATE9M:
rate_idx = 5;
break;
case DESC92C_RATE12M:
rate_idx = 6;
break;
case DESC92C_RATE18M:
rate_idx = 7;
break;
case DESC92C_RATE24M:
rate_idx = 8;
break;
case DESC92C_RATE36M:
rate_idx = 9;
break;
case DESC92C_RATE48M:
rate_idx = 10;
break;
case DESC92C_RATE54M:
rate_idx = 11;
break;
default:
rate_idx = 0;
break;
}
} else {
rate_idx = 11;
}
return rate_idx;
}
switch (desc_rate) {
case DESC92C_RATE1M:
rate_idx = 0;
break;
case DESC92C_RATE2M:
rate_idx = 1;
break;
case DESC92C_RATE5_5M:
rate_idx = 2;
break;
case DESC92C_RATE11M:
rate_idx = 3;
break;
case DESC92C_RATE6M:
rate_idx = 4;
break;
case DESC92C_RATE9M:
rate_idx = 5;
break;
case DESC92C_RATE12M:
rate_idx = 6;
break;
case DESC92C_RATE18M:
rate_idx = 7;
break;
case DESC92C_RATE24M:
rate_idx = 8;
break;
case DESC92C_RATE36M:
rate_idx = 9;
break;
case DESC92C_RATE48M:
rate_idx = 10;
break;
case DESC92C_RATE54M:
rate_idx = 11;
break;
default:
rate_idx = 11;
break;
}
return rate_idx;
}
static u8 _rtl92c_query_rxpwrpercentage(char antpower)
{
if ((antpower <= -100) || (antpower >= 20))
return 0;
else if (antpower >= 0)
return 100;
else
return 100 + antpower;
}
static u8 _rtl92c_evm_db_to_percentage(char value)
{
char ret_val;
ret_val = value;
if (ret_val >= 0)
ret_val = 0;
if (ret_val <= -33)
ret_val = -33;
ret_val = 0 - ret_val;
ret_val *= 3;
if (ret_val == 99)
ret_val = 100;
return ret_val;
}
static long _rtl92ce_translate_todbm(struct ieee80211_hw *hw,
u8 signal_strength_index)
{
long signal_power;
signal_power = (long)((signal_strength_index + 1) >> 1);
signal_power -= 95;
return signal_power;
}
static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
long currsig)
{
long retsig;
if (currsig >= 61 && currsig <= 100)
retsig = 90 + ((currsig - 60) / 4);
else if (currsig >= 41 && currsig <= 60)
retsig = 78 + ((currsig - 40) / 2);
else if (currsig >= 31 && currsig <= 40)
retsig = 66 + (currsig - 30);
else if (currsig >= 21 && currsig <= 30)
retsig = 54 + (currsig - 20);
else if (currsig >= 5 && currsig <= 20)
retsig = 42 + (((currsig - 5) * 2) / 3);
else if (currsig == 4)
retsig = 36;
else if (currsig == 3)
retsig = 27;
else if (currsig == 2)
retsig = 18;
else if (currsig == 1)
retsig = 9;
else
retsig = currsig;
return retsig;
}
static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
struct rtl_stats *pstats,
struct rx_desc_92c *pdesc,
struct rx_fwinfo_92c *p_drvinfo,
bool packet_match_bssid,
bool packet_toself,
bool packet_beacon)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct phy_sts_cck_8192s_t *cck_buf;
s8 rx_pwr_all = 0, rx_pwr[4];
u8 evm, pwdb_all, rf_rx_num = 0;
u8 i, max_spatial_stream;
u32 rssi, total_rssi = 0;
bool in_powersavemode = false;
bool is_cck_rate;
is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
pstats->packet_matchbssid = packet_match_bssid;
pstats->packet_toself = packet_toself;
pstats->is_cck = is_cck_rate;
pstats->packet_beacon = packet_beacon;
pstats->is_cck = is_cck_rate;
pstats->rx_mimo_signalquality[0] = -1;
pstats->rx_mimo_signalquality[1] = -1;
if (is_cck_rate) {
u8 report, cck_highpwr;
cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
if (!in_powersavemode)
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 = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
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_signalquality[0] = sq;
pstats->rx_mimo_signalquality[1] = -1;
}
} else {
rtlpriv->dm.rfpath_rxenable[0] =
rtlpriv->dm.rfpath_rxenable[1] = true;
for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
if (rtlpriv->dm.rfpath_rxenable[i])
rf_rx_num++;
rx_pwr[i] =
((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
total_rssi += rssi;
rtlpriv->stats.rx_snr_db[i] =
(long)(p_drvinfo->rxsnr[i] / 2);
if (packet_match_bssid)
pstats->rx_mimo_signalstrength[i] = (u8) rssi;
}
rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
pstats->rx_pwdb_all = pwdb_all;
pstats->rxpower = rx_pwr_all;
pstats->recvsignalpower = rx_pwr_all;
if (pdesc->rxht && pdesc->rxmcs >= DESC92C_RATEMCS8 &&
pdesc->rxmcs <= DESC92C_RATEMCS15)
max_spatial_stream = 2;
else
max_spatial_stream = 1;
for (i = 0; i < max_spatial_stream; i++) {
evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
if (packet_match_bssid) {
if (i == 0)
pstats->signalquality =
(u8) (evm & 0xff);
pstats->rx_mimo_signalquality[i] =
(u8) (evm & 0xff);
}
}
}
if (is_cck_rate)
pstats->signalstrength =
(u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
else if (rf_rx_num != 0)
pstats->signalstrength =
(u8) (_rtl92ce_signal_scale_mapping
(hw, total_rssi /= rf_rx_num));
}
static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw,
struct rtl_stats *pstats)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
u8 rfpath;
u32 last_rssi, tmpval;
if (pstats->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 =
_rtl92ce_translate_todbm(hw, (u8) tmpval);
pstats->rssi = rtlpriv->stats.signal_strength;
}
if (!pstats->is_cck && pstats->packet_toself) {
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 _rtl92ce_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 _rtl92ce_process_pwdb(struct ieee80211_hw *hw,
struct rtl_stats *pstats)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
long undecorated_smoothed_pwdb;
if (mac->opmode == NL80211_IFTYPE_ADHOC) {
return;
} else {
undecorated_smoothed_pwdb =
rtlpriv->dm.undecorated_smoothed_pwdb;
}
if (pstats->packet_toself || pstats->packet_beacon) {
if (undecorated_smoothed_pwdb < 0)
undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
undecorated_smoothed_pwdb =
(((undecorated_smoothed_pwdb) *
(RX_SMOOTH_FACTOR - 1)) +
(pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
+ 1;
} else {
undecorated_smoothed_pwdb =
(((undecorated_smoothed_pwdb) *
(RX_SMOOTH_FACTOR - 1)) +
(pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
}
rtlpriv->dm.undecorated_smoothed_pwdb =
undecorated_smoothed_pwdb;
_rtl92ce_update_rxsignalstatistics(hw, pstats);
}
}
static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
struct rtl_stats *pstats)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 last_evm, n_spatialstream, tmpval;
if (pstats->signalquality != 0) {
if (pstats->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;
for (n_spatialstream = 0; n_spatialstream < 2;
n_spatialstream++) {
if (pstats->
rx_mimo_signalquality[n_spatialstream] !=
-1) {
if (rtlpriv->stats.
rx_evm_percentage[n_spatialstream]
== 0) {
rtlpriv->stats.
rx_evm_percentage
[n_spatialstream] =
pstats->rx_mimo_signalquality
[n_spatialstream];
}
rtlpriv->stats.
rx_evm_percentage[n_spatialstream] =
((rtlpriv->
stats.rx_evm_percentage
[n_spatialstream] *
(RX_SMOOTH_FACTOR - 1)) +
(pstats->
rx_mimo_signalquality
[n_spatialstream] * 1)) /
(RX_SMOOTH_FACTOR);
}
}
}
} else {
;
}
}
static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
u8 *buffer,
struct rtl_stats *pcurrent_stats)
{
if (!pcurrent_stats->packet_matchbssid &&
!pcurrent_stats->packet_beacon)
return;
_rtl92ce_process_ui_rssi(hw, pcurrent_stats);
_rtl92ce_process_pwdb(hw, pcurrent_stats);
_rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
}
static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct rtl_stats *pstats,
struct rx_desc_92c *pdesc,
struct rx_fwinfo_92c *p_drvinfo)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
struct ieee80211_hdr *hdr;
u8 *tmp_buf;
u8 *praddr;
__le16 fc;
u16 type, c_fc;
bool packet_matchbssid, packet_toself, packet_beacon;
tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
hdr = (struct ieee80211_hdr *)tmp_buf;
fc = hdr->frame_control;
c_fc = le16_to_cpu(fc);
type = WLAN_FC_GET_TYPE(fc);
praddr = hdr->addr1;
packet_matchbssid =
((IEEE80211_FTYPE_CTL != type) &&
(!compare_ether_addr(mac->bssid,
(c_fc & IEEE80211_FCTL_TODS) ?
hdr->addr1 : (c_fc & IEEE80211_FCTL_FROMDS) ?
hdr->addr2 : hdr->addr3)) &&
(!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
packet_toself = packet_matchbssid &&
(!compare_ether_addr(praddr, rtlefuse->dev_addr));
if (ieee80211_is_beacon(fc))
packet_beacon = true;
_rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
packet_matchbssid, packet_toself,
packet_beacon);
_rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
}
bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
struct rtl_stats *stats,
struct ieee80211_rx_status *rx_status,
u8 *p_desc, struct sk_buff *skb)
{
struct rx_fwinfo_92c *p_drvinfo;
struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
u32 phystatus = GET_RX_DESC_PHYST(pdesc);
stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
RX_DRV_INFO_SIZE_UNIT;
stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
stats->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->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
&& (GET_RX_DESC_FAGGR(pdesc) == 1));
stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
rx_status->freq = hw->conf.channel->center_freq;
rx_status->band = hw->conf.channel->band;
if (GET_RX_DESC_CRC32(pdesc))
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (!GET_RX_DESC_SWDEC(pdesc))
rx_status->flag |= RX_FLAG_DECRYPTED;
if (GET_RX_DESC_BW(pdesc))
rx_status->flag |= RX_FLAG_40MHZ;
if (GET_RX_DESC_RXHT(pdesc))
rx_status->flag |= RX_FLAG_HT;
rx_status->flag |= RX_FLAG_MACTIME_MPDU;
if (stats->decrypted)
rx_status->flag |= RX_FLAG_DECRYPTED;
rx_status->rate_idx = _rtl92ce_rate_mapping((bool)
GET_RX_DESC_RXHT(pdesc),
(u8)
GET_RX_DESC_RXMCS(pdesc),
(bool)
GET_RX_DESC_PAGGR(pdesc));
rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
if (phystatus) {
p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
stats->rx_bufshift);
_rtl92ce_translate_rx_signal_stuff(hw,
skb, stats, pdesc,
p_drvinfo);
}
/*rx_status->qual = stats->signal; */
rx_status->signal = stats->rssi + 10;
/*rx_status->noise = -stats->noise; */
return true;
}
void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *tcb_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_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
struct ieee80211_sta *sta;
u8 *pdesc = (u8 *) pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
u8 fw_qsel = _rtl92ce_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 = pci_map_single(rtlpci->pdev,
skb->data, skb->len,
PCI_DMA_TODEVICE);
u8 bw_40 = 0;
rcu_read_lock();
sta = get_sta(hw, mac->vif, mac->bssid);
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, tcb_desc);
CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
firstseg = true;
lastseg = true;
}
if (firstseg) {
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
if (info->flags & IEEE80211_TX_CTL_AMPDU) {
SET_TX_DESC_AGG_BREAK(pdesc, 1);
SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
}
SET_TX_DESC_SEQ(pdesc, seq_number);
SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
!tcb_desc->
cts_enable) ? 1 : 0));
SET_TX_DESC_HW_RTS_ENABLE(pdesc,
((tcb_desc->rts_enable
|| tcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
SET_TX_DESC_RTS_BW(pdesc, 0);
SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
SET_TX_DESC_RTS_SHORT(pdesc,
((tcb_desc->rts_rate <= DESC92C_RATE54M) ?
(tcb_desc->rts_use_shortpreamble ? 1 : 0)
: (tcb_desc->rts_use_shortgi ? 1 : 0)));
if (bw_40) {
if (tcb_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 =
info->control.hw_key;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
case WLAN_CIPHER_SUITE_TKIP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
break;
case WLAN_CIPHER_SUITE_CCMP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
break;
}
}
SET_TX_DESC_PKT_ID(pdesc, 0);
SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
SET_TX_DESC_DISABLE_FB(pdesc, 0);
SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
if (ieee80211_is_data_qos(fc)) {
if (mac->rdg_en) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
("Enable RDG function.\n"));
SET_TX_DESC_RDG_ENABLE(pdesc, 1);
SET_TX_DESC_HTC(pdesc, 1);
}
}
}
rcu_read_unlock();
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) skb->len);
SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
if (rtlpriv->dm.useramask) {
SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
} else {
SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
}
if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
SET_TX_DESC_HWSEQ_EN(pdesc, 1);
SET_TX_DESC_PKT_ID(pdesc, 8);
if (!defaultadapter)
SET_TX_DESC_QOS(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);
}
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
}
void rtl92ce_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);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
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((u8 *) pdesc, (u16) (skb->len));
SET_TX_DESC_FIRST_SEG(pdesc, 1);
SET_TX_DESC_LAST_SEG(pdesc, 1);
SET_TX_DESC_OFFSET(pdesc, 0x20);
SET_TX_DESC_USE_RATE(pdesc, 1);
if (!ieee80211_is_data_qos(fc)) {
SET_TX_DESC_HWSEQ_EN(pdesc, 1);
SET_TX_DESC_PKT_ID(pdesc, 8);
}
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
"H2C Tx Cmd Content\n",
pdesc, TX_DESC_SIZE);
}
void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
{
if (istx) {
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 rtl92ce_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 rtl92ce_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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