void rtl92se_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(rtl_priv(hw));
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
u8 reserved_macid = 0;
u8 fw_qsel = rtl92s_map_hwqueue_to_fwqueue(skb, hw_queue);
bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
bool lastseg = (!(hdr->frame_control &
cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
PCI_DMA_TODEVICE);
u8 bw_40 = 0;
if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
"DMA mapping error\n");
return;
}
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);
CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
firstseg = true;
lastseg = true;
}
if (firstseg) {
if (rtlpriv->dm.useramask) {
/* set txdesc macId */
if (ptcb_desc->mac_id < 32) {
SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
reserved_macid |= ptcb_desc->mac_id;
}
}
SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
DESC_RATEMCS0) ? 1 : 0));
if (rtlhal->version == VERSION_8192S_ACUT) {
if (ptcb_desc->hw_rate == DESC_RATE1M ||
ptcb_desc->hw_rate == DESC_RATE2M ||
ptcb_desc->hw_rate == DESC_RATE5_5M ||
ptcb_desc->hw_rate == DESC_RATE11M) {
ptcb_desc->hw_rate = DESC_RATE12M;
}
}
SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
SET_TX_DESC_TX_SHORT(pdesc, 0);
/* Aggregation related */
if (info->flags & IEEE80211_TX_CTL_AMPDU)
SET_TX_DESC_AGG_ENABLE(pdesc, 1);
/* For AMPDU, we must insert SSN into TX_DESC */
SET_TX_DESC_SEQ(pdesc, seq_number);
/* Protection mode related */
/* For 92S, if RTS/CTS are set, HW will execute RTS. */
/* We choose only one protection mode to execute */
SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
!ptcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_CTS_ENABLE(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_BANDWIDTH(pdesc, 0);
SET_TX_DESC_RTS_SUB_CARRIER(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)));
/* Set Bandwidth and sub-channel settings. */
if (bw_40) {
if (ptcb_desc->packet_bw) {
SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
/* use duplicated mode */
SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
} else {
SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
SET_TX_DESC_TX_SUB_CARRIER(pdesc,
mac->cur_40_prime_sc);
}
} else {
SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
}
/* 3 Fill necessary field in First Descriptor */
/*DWORD 0*/
SET_TX_DESC_LINIP(pdesc, 0);
SET_TX_DESC_OFFSET(pdesc, 32);
SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
/*DWORD 1*/
SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
/* Fill security related */
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:
SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
break;
case WLAN_CIPHER_SUITE_TKIP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
break;
case WLAN_CIPHER_SUITE_CCMP:
SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
break;
}
}
/* Set Packet ID */
SET_TX_DESC_PACKET_ID(pdesc, 0);
/* We will assign magement queue to BK. */
SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
/* Alwasy enable all rate fallback range */
SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
/* Fix: I don't know why hw use 6.5M to tx when set it */
SET_TX_DESC_USER_RATE(pdesc,
ptcb_desc->use_driver_rate ? 1 : 0);
/* Set NON_QOS bit. */
if (!ieee80211_is_data_qos(fc))
SET_TX_DESC_NON_QOS(pdesc, 1);
}
/* Fill fields that are required to be initialized
* in all of the descriptors */
/*DWORD 0 */
SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
/* DWORD 7 */
SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
/* DOWRD 8 */
SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}
void rtl8822be_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_phy *rtlphy = &rtlpriv->phy;
u8 *pdesc = (u8 *)pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
u8 fw_qsel = _rtl8822be_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 short_gi = 0;
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);
}
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_DMESG, "DMA mapping error");
return;
}
if (pbd_desc_tx)
rtl8822be_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);
_rtl8822be_insert_emcontent(ptcb_desc,
(u8 *)(skb->data));
}
} else {
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
}
/* tx report */
rtl_get_tx_report(ptcb_desc, pdesc, hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
ptcb_desc->hw_rate < DESC_RATE6M) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_WARNING,
"hw_rate=0x%X is invalid in 5G\n",
ptcb_desc->hw_rate);
ptcb_desc->hw_rate = DESC_RATE6M;
}
SET_TX_DESC_DATARATE(pdesc, ptcb_desc->hw_rate);
if (ptcb_desc->hw_rate > DESC_RATEMCS0)
short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
else
short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
if (info->flags & IEEE80211_TX_CTL_AMPDU) {
SET_TX_DESC_AGG_EN(pdesc, 1);
SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x1F);
}
SET_TX_DESC_SW_SEQ(pdesc, seq_number);
SET_TX_DESC_RTSEN(pdesc, ((ptcb_desc->rts_enable &&
!ptcb_desc->cts_enable) ?
1 :
0));
SET_TX_DESC_HW_RTS_EN(pdesc, 0);
SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_RTSRATE(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_NAVUSEHDR(pdesc, 1);
SET_TX_DESC_DATA_BW(pdesc, rtl8822be_bw_mapping(hw, ptcb_desc));
SET_TX_DESC_DATA_SC(pdesc, rtl8822be_sc_mapping(hw, ptcb_desc));
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_QSEL(pdesc, fw_qsel);
if (rtlphy->current_channel > 14) {
/* OFDM 6M */
SET_TX_DESC_DATA_RTY_LOWEST_RATE(pdesc, 4);
SET_TX_DESC_RTS_RTY_LOWEST_RATE(pdesc, 4);
} else {
/* CCK 1M */
SET_TX_DESC_DATA_RTY_LOWEST_RATE(pdesc, 0);
SET_TX_DESC_RTS_RTY_LOWEST_RATE(pdesc, 0);
}
SET_TX_DESC_DISDATAFB(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_EN(pdesc, 1);
SET_TX_DESC_HTC(pdesc, 1);
}
}
SET_TX_DESC_PORT_ID(pdesc, 0);
SET_TX_DESC_MULTIPLE_PORT(pdesc, 0);
}
SET_TX_DESC_LS(pdesc, (lastseg ? 1 : 0));
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_MOREFRAG(pdesc, (lastseg ? 0 : 1));
if (ptcb_desc->multicast || ptcb_desc->broadcast) {
SET_TX_DESC_BMC(pdesc, 1);
/* BMC must be not AGG */
SET_TX_DESC_AGG_EN(pdesc, 0);
}
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
/* debug purpose: used to check tx desc is correct or not */
/*rtlpriv->halmac.ops->halmac_chk_txdesc(rtlpriv, pdesc,
* skb->len + USB_HWDESC_HEADER_LEN);
*/
}