// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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*
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* Copyright(c) 2016 Realtek Corporation.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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#include "../wifi.h"
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#include "../pci.h"
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#include "../base.h"
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#include "../stats.h"
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#include "reg.h"
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#include "def.h"
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#include "phy.h"
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#include "trx.h"
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#include "led.h"
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#include "fw.h"
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#include <linux/vermagic.h>
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static u8 _rtl8822be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
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{
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switch (hw_queue) {
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case BEACON_QUEUE:
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return QSLT_BEACON;
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case H2C_QUEUE:
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return QSLT_CMD;
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case MGNT_QUEUE:
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return QSLT_MGNT;
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case HIGH_QUEUE:
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return QSLT_HIGH;
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default:
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return skb->priority;
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}
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}
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static void _rtl8822be_query_rxphystatus(struct ieee80211_hw *hw, u8 *phystrpt,
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struct ieee80211_hdr *hdr,
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struct rtl_stats *pstatus)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtlpriv->phydm.ops->phydm_query_phy_status(rtlpriv, phystrpt, hdr,
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pstatus);
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/* UI BSS List signal strength(in percentage),
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* make it good looking, from 0~100.
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*/
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pstatus->signalstrength =
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(u8)(rtl_signal_scale_mapping(hw, pstatus->rx_pwdb_all));
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}
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static void _rtl8822be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
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struct sk_buff *skb,
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struct rtl_stats *pstatus,
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u8 *p_phystrpt)
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{
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struct ieee80211_hdr *hdr;
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u8 *tmp_buf;
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tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift +
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24;
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hdr = (struct ieee80211_hdr *)tmp_buf;
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/* query phy status */
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_rtl8822be_query_rxphystatus(hw, p_phystrpt, hdr, pstatus);
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/* packet statistics */
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if (pstatus->packet_beacon && pstatus->packet_matchbssid)
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rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
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if (pstatus->packet_matchbssid &&
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ieee80211_is_data_qos(hdr->frame_control) &&
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!is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
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struct ieee80211_qos_hdr *hdr_qos =
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(struct ieee80211_qos_hdr *)tmp_buf;
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u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;
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if (tid != 0 && tid != 3)
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rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
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}
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/* signal statistics */
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if (p_phystrpt)
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rtl_process_phyinfo(hw, tmp_buf, pstatus);
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}
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static void _rtl8822be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
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u8 *virtualaddress)
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{
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u32 dwtmp = 0;
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memset(virtualaddress, 0, 8);
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SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
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if (ptcb_desc->empkt_num == 1) {
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dwtmp = ptcb_desc->empkt_len[0];
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} else {
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dwtmp = ptcb_desc->empkt_len[0];
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dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
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dwtmp += ptcb_desc->empkt_len[1];
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}
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SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
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if (ptcb_desc->empkt_num <= 3) {
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dwtmp = ptcb_desc->empkt_len[2];
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} else {
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dwtmp = ptcb_desc->empkt_len[2];
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dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
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dwtmp += ptcb_desc->empkt_len[3];
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}
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SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
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if (ptcb_desc->empkt_num <= 5) {
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dwtmp = ptcb_desc->empkt_len[4];
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} else {
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dwtmp = ptcb_desc->empkt_len[4];
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dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
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dwtmp += ptcb_desc->empkt_len[5];
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}
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SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
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SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
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if (ptcb_desc->empkt_num <= 7) {
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dwtmp = ptcb_desc->empkt_len[6];
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} else {
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dwtmp = ptcb_desc->empkt_len[6];
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dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
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dwtmp += ptcb_desc->empkt_len[7];
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}
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SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
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if (ptcb_desc->empkt_num <= 9) {
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dwtmp = ptcb_desc->empkt_len[8];
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} else {
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dwtmp = ptcb_desc->empkt_len[8];
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dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
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dwtmp += ptcb_desc->empkt_len[9];
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}
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SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
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}
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static bool rtl8822be_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 rx_rate = 0;
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rx_rate = GET_RX_DESC_RX_RATE(pdesc);
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RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
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if (rx_rate >= DESC_RATEMCS0 && rx_rate <= DESC_RATEMCS15)
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return true;
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else
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return false;
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}
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static bool rtl8822be_get_rxdesc_is_vht(struct ieee80211_hw *hw, u8 *pdesc)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 rx_rate = 0;
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rx_rate = GET_RX_DESC_RX_RATE(pdesc);
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RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
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if (rx_rate >= DESC_RATEVHT1SS_MCS0)
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return true;
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else
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return false;
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}
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static u8 rtl8822be_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc)
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{
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u8 rx_rate = 0;
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u8 vht_nss = 0;
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rx_rate = GET_RX_DESC_RX_RATE(pdesc);
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if (rx_rate >= DESC_RATEVHT1SS_MCS0 &&
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rx_rate <= DESC_RATEVHT1SS_MCS9)
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vht_nss = 1;
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else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&
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(rx_rate <= DESC_RATEVHT2SS_MCS9))
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vht_nss = 2;
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return vht_nss;
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}
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bool rtl8822be_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *status,
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struct ieee80211_rx_status *rx_status, u8 *pdesc,
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struct sk_buff *skb)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 *p_phystrpt = NULL;
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struct ieee80211_hdr *hdr;
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u32 phystatus = GET_RX_DESC_PHYST(pdesc);
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if (GET_RX_DESC_C2H(pdesc) == 0)
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status->packet_report_type = NORMAL_RX;
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else
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status->packet_report_type = C2H_PACKET;
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status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
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status->rx_drvinfo_size =
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(u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) * RX_DRV_INFO_SIZE_UNIT;
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status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
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status->icv = (u16)GET_RX_DESC_ICV_ERR(pdesc);
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status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
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status->hwerror = (status->crc | status->icv);
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status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
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status->rate = (u8)GET_RX_DESC_RX_RATE(pdesc);
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status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
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status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
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status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
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status->is_ht = rtl8822be_get_rxdesc_is_ht(hw, pdesc);
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status->is_vht = rtl8822be_get_rxdesc_is_vht(hw, pdesc);
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status->vht_nss = rtl8822be_get_rx_vht_nss(hw, pdesc);
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status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
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status->macid = GET_RX_DESC_MACID(pdesc);
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if (GET_RX_DESC_PATTERN_MATCH(pdesc))
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status->wake_match = BIT(2);
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else if (GET_RX_DESC_MAGIC_WAKE(pdesc))
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status->wake_match = BIT(1);
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else if (GET_RX_DESC_UNICAST_WAKE(pdesc))
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status->wake_match = BIT(0);
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else
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status->wake_match = 0;
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if (status->wake_match)
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RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
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"GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
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status->wake_match);
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rx_status->freq = hw->conf.chandef.chan->center_freq;
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rx_status->band = hw->conf.chandef.chan->band;
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if (phystatus)
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p_phystrpt = (skb->data + status->rx_bufshift + 24);
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hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
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status->rx_bufshift + 24);
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if (status->crc)
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rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
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if (status->is_ht)
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rx_status->encoding = RX_ENC_HT;
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if (status->is_vht)
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rx_status->encoding = RX_ENC_VHT;
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rx_status->nss = status->vht_nss;
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rx_status->flag |= RX_FLAG_MACTIME_START;
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/* hw will set status->decrypted true, if it finds the
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* frame is open data frame or mgmt frame.
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*/
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/* So hw will not decryption robust management frame
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* for IEEE80211w but still set status->decrypted
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* true, so here we should set it back to undecrypted
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* for IEEE80211w frame, and mac80211 sw will help
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* to decrypt it
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*/
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if (status->decrypted) {
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if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
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(ieee80211_has_protected(hdr->frame_control)))
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rx_status->flag |= RX_FLAG_DECRYPTED;
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else
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rx_status->flag &= ~RX_FLAG_DECRYPTED;
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}
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/* rate_idx: index of data rate into band's
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* supported rates or MCS index if HT rates
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* are use (RX_FLAG_HT)
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*/
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/* Notice: this is diff with windows define */
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rx_status->rate_idx = rtlwifi_rate_mapping(
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hw, status->is_ht, status->is_vht, status->rate);
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rx_status->mactime = status->timestamp_low;
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_rtl8822be_translate_rx_signal_stuff(hw, skb, status, p_phystrpt);
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/* below info. are filled by _rtl8822be_translate_rx_signal_stuff() */
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if (!p_phystrpt)
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goto label_no_physt;
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rx_status->signal = status->recvsignalpower;
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if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)
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rx_status->bw = RATE_INFO_BW_40;
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else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
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rx_status->bw = RATE_INFO_BW_80;
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label_no_physt:
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return true;
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}
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void rtl8822be_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc,
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u8 queue_index)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 first_seg;
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u8 last_seg;
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u16 total_len;
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u16 read_cnt = 0;
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if (!header_desc)
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return;
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do {
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total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
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first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
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last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
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if (read_cnt++ > 20) {
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RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
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"RX chk DMA over %d times\n", read_cnt);
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break;
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}
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} while (total_len == 0 && first_seg == 0 && last_seg == 0);
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}
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u16 rtl8822be_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index)
|
{
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u16 desc_idx_hw = 0, desc_idx_host = 0, remind_cnt = 0;
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u32 tmp_4byte = 0;
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u32 rw_mask = 0x1ff;
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tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_RXBD_IDX_8822B);
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desc_idx_hw = (u16)((tmp_4byte >> 16) & rw_mask);
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desc_idx_host = (u16)(tmp_4byte & rw_mask);
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/* may be no data, donot rx */
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if (desc_idx_hw == desc_idx_host)
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return 0;
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remind_cnt =
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(desc_idx_hw > desc_idx_host) ?
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(desc_idx_hw - desc_idx_host) :
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(RX_DESC_NUM_8822BE - (desc_idx_host - desc_idx_hw));
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rtlpci->rx_ring[queue_index].next_rx_rp = desc_idx_host;
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return remind_cnt;
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}
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static u16 get_desc_address_from_queue_index(u16 queue_index)
|
{
|
/*
|
* Note: Access these registers will take a lot of cost.
|
*/
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u16 desc_address = REG_BEQ_TXBD_IDX_8822B;
|
|
switch (queue_index) {
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case BK_QUEUE:
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desc_address = REG_BKQ_TXBD_IDX_8822B;
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break;
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case BE_QUEUE:
|
desc_address = REG_BEQ_TXBD_IDX_8822B;
|
break;
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case VI_QUEUE:
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desc_address = REG_VIQ_TXBD_IDX_8822B;
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break;
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case VO_QUEUE:
|
desc_address = REG_VOQ_TXBD_IDX_8822B;
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break;
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case BEACON_QUEUE:
|
desc_address = REG_BEQ_TXBD_IDX_8822B;
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break;
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case H2C_QUEUE:
|
desc_address = REG_H2CQ_TXBD_IDX_8822B;
|
break;
|
case MGNT_QUEUE:
|
desc_address = REG_MGQ_TXBD_IDX_8822B;
|
break;
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case HIGH_QUEUE:
|
desc_address = REG_HI0Q_TXBD_IDX_8822B;
|
break;
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case HCCA_QUEUE:
|
desc_address = REG_BEQ_TXBD_IDX_8822B;
|
break;
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default:
|
break;
|
}
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return desc_address;
|
}
|
|
/*free desc that can be used */
|
u16 rtl8822be_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
|
{
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
|
|
return calc_fifo_space(ring->cur_tx_rp, ring->cur_tx_wp,
|
TX_DESC_NUM_8822B);
|
}
|
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void rtl8822be_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 data_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 = 48; /*tx desc size*/
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u32 psblen = 0;
|
u32 total_packet_size = 0;
|
u16 current_bd_desc;
|
u8 i = 0;
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/*u16 real_desc_size = 0x28;*/
|
u16 append_early_mode_size = 0;
|
u8 segmentnum = 1 << (RTL8822BE_SEG_NUM + 1);
|
dma_addr_t desc_dma_addr;
|
bool dma64 = rtlpriv->cfg->mod_params->dma64;
|
|
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;
|
}
|
}
|
|
/* page number (round up) */
|
psblen = (total_packet_size - 1) / 128 + 1;
|
|
/* tx desc addr */
|
desc_dma_addr = rtlpci->tx_ring[queue_index].dma +
|
(current_bd_desc * TX_DESC_SIZE);
|
|
/* 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);
|
SET_TXBUFFER_DESC_ADD_HIGH_WITH_OFFSET(tx_bd_desc, i, 0, dma64);
|
}
|
|
/* Clear all status */
|
CLEAR_PCI_TX_DESC_CONTENT(desc, TX_DESC_SIZE);
|
|
if (rtlpriv->rtlhal.earlymode_enable) {
|
if (queue_index < BEACON_QUEUE)
|
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, desc_dma_addr);
|
SET_TX_BUFF_DESC_ADDR_HIGH_0(tx_bd_desc, ((u64)desc_dma_addr >> 32),
|
dma64);
|
|
SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, 1, pkt_len);
|
SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, 1, 0);
|
SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, 1, data_addr);
|
SET_TXBUFFER_DESC_ADD_HIGH_WITH_OFFSET(tx_bd_desc, 1,
|
((u64)data_addr >> 32), dma64);
|
|
SET_TX_DESC_TXPKTSIZE(desc, (u16)(pkt_len));
|
}
|
|
static u8 rtl8822be_bw_mapping(struct ieee80211_hw *hw,
|
struct rtl_tcb_desc *ptcb_desc)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
struct rtl_phy *rtlphy = &rtlpriv->phy;
|
u8 bw_setting_of_desc = 0;
|
|
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
|
"%s, current_chan_bw %d, packet_bw %d\n", __func__,
|
rtlphy->current_chan_bw, ptcb_desc->packet_bw);
|
|
if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
|
if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
|
bw_setting_of_desc = 2;
|
else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)
|
bw_setting_of_desc = 1;
|
else
|
bw_setting_of_desc = 0;
|
} else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
|
if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40 ||
|
ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
|
bw_setting_of_desc = 1;
|
else
|
bw_setting_of_desc = 0;
|
} else {
|
bw_setting_of_desc = 0;
|
}
|
|
return bw_setting_of_desc;
|
}
|
|
static u8 rtl8822be_sc_mapping(struct ieee80211_hw *hw,
|
struct rtl_tcb_desc *ptcb_desc)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
struct rtl_phy *rtlphy = &rtlpriv->phy;
|
struct rtl_mac *mac = rtl_mac(rtlpriv);
|
u8 sc_setting_of_desc = 0;
|
|
if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
|
if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {
|
sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
|
} else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
|
if (mac->cur_80_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER)
|
sc_setting_of_desc =
|
VHT_DATA_SC_40_LOWER_OF_80MHZ;
|
else if (mac->cur_80_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER)
|
sc_setting_of_desc =
|
VHT_DATA_SC_40_UPPER_OF_80MHZ;
|
else
|
RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
|
"%s: Not Correct Primary40MHz Setting\n",
|
__func__);
|
} else {
|
if (mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_LOWER &&
|
mac->cur_80_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_LOWER)
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_LOWEST_OF_80MHZ;
|
else if ((mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER) &&
|
(mac->cur_80_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_LOWER))
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_LOWER_OF_80MHZ;
|
else if ((mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_LOWER) &&
|
(mac->cur_80_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER))
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_UPPER_OF_80MHZ;
|
else if ((mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER) &&
|
(mac->cur_80_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER))
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_UPPERST_OF_80MHZ;
|
else
|
RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
|
"%s: Not Correct Primary40MHz Setting\n",
|
__func__);
|
}
|
} else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
|
if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
|
sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
|
} else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {
|
if (mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_UPPER) {
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_UPPER_OF_80MHZ;
|
} else if (mac->cur_40_prime_sc ==
|
HAL_PRIME_CHNL_OFFSET_LOWER) {
|
sc_setting_of_desc =
|
VHT_DATA_SC_20_LOWER_OF_80MHZ;
|
} else {
|
sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
|
}
|
}
|
} else {
|
sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
|
}
|
|
return sc_setting_of_desc;
|
}
|
|
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);
|
*/
|
}
|
|
void rtl8822be_tx_fill_special_desc(struct ieee80211_hw *hw, u8 *pdesc,
|
u8 *pbd_desc, struct sk_buff *skb,
|
u8 hw_queue)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
|
u8 fw_queue;
|
u8 txdesc_len = 48;
|
|
dma_addr_t 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;
|
}
|
|
rtl8822be_pre_fill_tx_bd_desc(hw, pbd_desc, pdesc, hw_queue, skb,
|
mapping);
|
|
/* it should be BEACON_QUEUE or H2C_QUEUE,
|
* so skb=NULL is safe to assert
|
*/
|
fw_queue = _rtl8822be_map_hwqueue_to_fwqueue(NULL, hw_queue);
|
|
CLEAR_PCI_TX_DESC_CONTENT(pdesc, txdesc_len);
|
|
/* common part for BEACON and H2C */
|
SET_TX_DESC_TXPKTSIZE((u8 *)pdesc, (u16)(skb->len));
|
|
SET_TX_DESC_QSEL(pdesc, fw_queue);
|
|
if (hw_queue == H2C_QUEUE) {
|
/* fill H2C */
|
SET_TX_DESC_OFFSET(pdesc, 0);
|
|
} else {
|
/* fill beacon */
|
SET_TX_DESC_OFFSET(pdesc, txdesc_len);
|
|
SET_TX_DESC_DATARATE(pdesc, DESC_RATE1M);
|
|
SET_TX_DESC_SW_SEQ(pdesc, 0);
|
|
SET_TX_DESC_RATE_ID(pdesc, 7);
|
SET_TX_DESC_MACID(pdesc, 0);
|
|
SET_TX_DESC_LS(pdesc, 1);
|
|
SET_TX_DESC_OFFSET(pdesc, 48);
|
|
SET_TX_DESC_USE_RATE(pdesc, 1);
|
}
|
|
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content\n",
|
pdesc, txdesc_len);
|
}
|
|
void rtl8822be_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
|
u8 desc_name, u8 *val)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
u8 q_idx = *val;
|
bool dma64 = rtlpriv->cfg->mod_params->dma64;
|
|
if (istx) {
|
switch (desc_name) {
|
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) {
|
/* in case of beacon, pdesc is BD desc. */
|
u8 *pbd_desc = pdesc;
|
|
ring->cur_tx_wp = 0;
|
ring->cur_tx_rp = 0;
|
SET_TX_BUFF_DESC_OWN(pbd_desc, 1);
|
return;
|
}
|
|
/* make sure tx desc is available by caller */
|
ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc);
|
|
rtl_write_word(
|
rtlpriv,
|
get_desc_address_from_queue_index(
|
q_idx),
|
ring->cur_tx_wp);
|
} 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, (*(dma_addr_t *)val) & DMA_BIT_MASK(32));
|
SET_RX_BUFFER_PHYSICAL_HIGH(
|
pdesc, ((u64)(*(dma_addr_t *)val) >> 32),
|
dma64);
|
break;
|
default:
|
WARN_ONCE(true, "ERR rxdesc :%d not process\n",
|
desc_name);
|
break;
|
}
|
}
|
}
|
|
u64 rtl8822be_get_desc(struct ieee80211_hw *hw,
|
u8 *pdesc, bool istx, u8 desc_name)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
u64 ret = 0;
|
u8 *pbd_desc = pdesc;
|
bool dma64 = rtlpriv->cfg->mod_params->dma64;
|
|
if (istx) {
|
switch (desc_name) {
|
case HW_DESC_TXBUFF_ADDR:
|
ret = GET_TXBUFFER_DESC_ADDR_LOW(pbd_desc, 1);
|
ret |= (u64)GET_TXBUFFER_DESC_ADDR_HIGH(pbd_desc, 1,
|
dma64) << 32;
|
break;
|
default:
|
WARN_ONCE(true, "ERR txdesc :%d not process\n",
|
desc_name);
|
break;
|
}
|
} else {
|
switch (desc_name) {
|
case HW_DESC_RXPKT_LEN:
|
ret = GET_RX_DESC_PKT_LEN(pdesc);
|
break;
|
default:
|
WARN_ONCE(true, "ERR rxdesc :%d not process\n",
|
desc_name);
|
break;
|
}
|
}
|
return ret;
|
}
|
|
bool rtl8822be_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);
|
bool ret = false;
|
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
|
u16 cur_tx_rp, cur_tx_wp;
|
u16 tmp16;
|
|
/*
|
* design rule:
|
* idx <= cur_tx_rp <= hw_rp <= cur_tx_wp = hw_wp
|
*/
|
|
if (index == ring->cur_tx_rp) {
|
/* update only if sw_rp reach hw_rp */
|
tmp16 = rtl_read_word(
|
rtlpriv,
|
get_desc_address_from_queue_index(hw_queue) + 2);
|
|
cur_tx_rp = tmp16 & 0x01ff;
|
cur_tx_wp = ring->cur_tx_wp;
|
|
/* don't need to update ring->cur_tx_wp */
|
ring->cur_tx_rp = cur_tx_rp;
|
}
|
|
if (index == ring->cur_tx_rp)
|
ret = false; /* no more */
|
else
|
ret = true; /* more */
|
|
if (hw_queue == BEACON_QUEUE)
|
ret = true;
|
|
if (rtlpriv->rtlhal.driver_is_goingto_unload ||
|
rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS)
|
ret = true;
|
|
return ret;
|
}
|
|
void rtl8822be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
|
{
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
if (hw_queue == BEACON_QUEUE) {
|
/* kick start */
|
rtl_write_byte(
|
rtlpriv, REG_RX_RXBD_NUM_8822B + 1,
|
rtl_read_byte(rtlpriv, REG_RX_RXBD_NUM_8822B + 1) |
|
BIT(4));
|
}
|
}
|
|
u32 rtl8822be_rx_command_packet(struct ieee80211_hw *hw,
|
const 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:
|
rtl8822be_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;
|
}
|
