// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2024 Realtek Corporation.*/
#include "../wifi.h"
#include "../base.h"
#include "../usb.h"
#include "../rtl8192d/reg.h"
#include "../rtl8192d/def.h"
#include "../rtl8192d/trx_common.h"
#include "trx.h"
void rtl92du_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb)
{
}
int rtl92du_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
struct sk_buff *skb)
{
return 0;
}
struct sk_buff *rtl92du_tx_aggregate_hdl(struct ieee80211_hw *hw,
struct sk_buff_head *list)
{
return skb_dequeue(list);
}
static enum rtl_desc_qsel _rtl92du_hwq_to_descq(u16 queue_index)
{
switch (queue_index) {
case RTL_TXQ_BCN:
return QSLT_BEACON;
case RTL_TXQ_MGT:
return QSLT_MGNT;
case RTL_TXQ_VO:
return QSLT_VO;
case RTL_TXQ_VI:
return QSLT_VI;
case RTL_TXQ_BK:
return QSLT_BK;
default:
case RTL_TXQ_BE:
return QSLT_BE;
}
}
/* For HW recovery information */
static void _rtl92du_tx_desc_checksum(__le32 *txdesc)
{
__le16 *ptr = (__le16 *)txdesc;
u16 checksum = 0;
u32 index;
/* Clear first */
set_tx_desc_tx_desc_checksum(txdesc, 0);
for (index = 0; index < 16; index++)
checksum = checksum ^ le16_to_cpu(*(ptr + index));
set_tx_desc_tx_desc_checksum(txdesc, checksum);
}
void rtl92du_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 queue_index,
struct rtl_tcb_desc *tcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_mac *mac = rtl_mac(rtlpriv);
struct rtl_sta_info *sta_entry;
__le16 fc = hdr->frame_control;
u8 agg_state = RTL_AGG_STOP;
u16 pktlen = skb->len;
u32 rts_en, hw_rts_en;
u8 ampdu_density = 0;
u16 seq_number;
__le32 *txdesc;
u8 rate_flag;
u8 tid;
rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
txdesc = (__le32 *)skb_push(skb, RTL_TX_HEADER_SIZE);
memset(txdesc, 0, RTL_TX_HEADER_SIZE);
set_tx_desc_pkt_size(txdesc, pktlen);
set_tx_desc_linip(txdesc, 0);
set_tx_desc_pkt_offset(txdesc, RTL_DUMMY_OFFSET);
set_tx_desc_offset(txdesc, RTL_TX_HEADER_SIZE);
/* 5G have no CCK rate */
if (rtlhal->current_bandtype == BAND_ON_5G)
if (tcb_desc->hw_rate < DESC_RATE6M)
tcb_desc->hw_rate = DESC_RATE6M;
set_tx_desc_tx_rate(txdesc, tcb_desc->hw_rate);
if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
set_tx_desc_data_shortgi(txdesc, 1);
if (rtlhal->macphymode == DUALMAC_DUALPHY &&
tcb_desc->hw_rate == DESC_RATEMCS7)
set_tx_desc_data_shortgi(txdesc, 1);
if (sta) {
sta_entry = (struct rtl_sta_info *)sta->drv_priv;
tid = ieee80211_get_tid(hdr);
agg_state = sta_entry->tids[tid].agg.agg_state;
ampdu_density = sta->deflink.ht_cap.ampdu_density;
}
if (agg_state == RTL_AGG_OPERATIONAL &&
info->flags & IEEE80211_TX_CTL_AMPDU) {
set_tx_desc_agg_enable(txdesc, 1);
set_tx_desc_max_agg_num(txdesc, 0x14);
set_tx_desc_ampdu_density(txdesc, ampdu_density);
tcb_desc->rts_enable = 1;
tcb_desc->rts_rate = DESC_RATE24M;
} else {
set_tx_desc_agg_break(txdesc, 1);
}
seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
set_tx_desc_seq(txdesc, seq_number);
rts_en = tcb_desc->rts_enable && !tcb_desc->cts_enable;
hw_rts_en = tcb_desc->rts_enable || tcb_desc->cts_enable;
set_tx_desc_rts_enable(txdesc, rts_en);
set_tx_desc_hw_rts_enable(txdesc, hw_rts_en);
set_tx_desc_cts2self(txdesc, tcb_desc->cts_enable);
set_tx_desc_rts_stbc(txdesc, tcb_desc->rts_stbc);
/* 5G have no CCK rate */
if (rtlhal->current_bandtype == BAND_ON_5G)
if (tcb_desc->rts_rate < DESC_RATE6M)
tcb_desc->rts_rate = DESC_RATE6M;
set_tx_desc_rts_rate(txdesc, tcb_desc->rts_rate);
set_tx_desc_rts_bw(txdesc, 0);
set_tx_desc_rts_sc(txdesc, tcb_desc->rts_sc);
set_tx_desc_rts_short(txdesc, tcb_desc->rts_use_shortpreamble);
rate_flag = info->control.rates[0].flags;
if (mac->bw_40) {
if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
set_tx_desc_data_bw(txdesc, 1);
set_tx_desc_tx_sub_carrier(txdesc, 3);
} else if (rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH) {
set_tx_desc_data_bw(txdesc, 1);
set_tx_desc_tx_sub_carrier(txdesc, mac->cur_40_prime_sc);
} else {
set_tx_desc_data_bw(txdesc, 0);
set_tx_desc_tx_sub_carrier(txdesc, 0);
}
} else {
set_tx_desc_data_bw(txdesc, 0);
set_tx_desc_tx_sub_carrier(txdesc, 0);
}
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(txdesc, 0x1);
break;
case WLAN_CIPHER_SUITE_CCMP:
set_tx_desc_sec_type(txdesc, 0x3);
break;
default:
set_tx_desc_sec_type(txdesc, 0x0);
break;
}
}
set_tx_desc_pkt_id(txdesc, 0);
set_tx_desc_queue_sel(txdesc, _rtl92du_hwq_to_descq(queue_index));
set_tx_desc_data_rate_fb_limit(txdesc, 0x1F);
set_tx_desc_rts_rate_fb_limit(txdesc, 0xF);
set_tx_desc_disable_fb(txdesc, 0);
set_tx_desc_use_rate(txdesc, tcb_desc->use_driver_rate);
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(txdesc, 1);
set_tx_desc_htc(txdesc, 1);
}
set_tx_desc_qos(txdesc, 1);
}
if (rtlpriv->dm.useramask) {
set_tx_desc_rate_id(txdesc, tcb_desc->ratr_index);
set_tx_desc_macid(txdesc, tcb_desc->mac_id);
} else {
set_tx_desc_rate_id(txdesc, 0xC + tcb_desc->ratr_index);
set_tx_desc_macid(txdesc, tcb_desc->ratr_index);
}
if (!ieee80211_is_data_qos(fc) && ppsc->leisure_ps &&
ppsc->fwctrl_lps) {
set_tx_desc_hwseq_en(txdesc, 1);
set_tx_desc_pkt_id(txdesc, 8);
}
if (ieee80211_has_morefrags(fc))
set_tx_desc_more_frag(txdesc, 1);
if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
set_tx_desc_bmc(txdesc, 1);
set_tx_desc_own(txdesc, 1);
set_tx_desc_last_seg(txdesc, 1);
set_tx_desc_first_seg(txdesc, 1);
_rtl92du_tx_desc_checksum(txdesc);
rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n");
}
static void _rtl92du_config_out_ep(struct ieee80211_hw *hw, u8 num_out_pipe)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
u16 ep_cfg;
rtlusb->out_queue_sel = 0;
rtlusb->out_ep_nums = 0;
if (rtlhal->interfaceindex == 0)
ep_cfg = rtl_read_word(rtlpriv, REG_USB_Queue_Select_MAC0);
else
ep_cfg = rtl_read_word(rtlpriv, REG_USB_Queue_Select_MAC1);
if (ep_cfg & 0x00f) {
rtlusb->out_queue_sel |= TX_SELE_HQ;
rtlusb->out_ep_nums++;
}
if (ep_cfg & 0x0f0) {
rtlusb->out_queue_sel |= TX_SELE_NQ;
rtlusb->out_ep_nums++;
}
if (ep_cfg & 0xf00) {
rtlusb->out_queue_sel |= TX_SELE_LQ;
rtlusb->out_ep_nums++;
}
switch (num_out_pipe) {
case 3:
rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_NQ | TX_SELE_LQ;
rtlusb->out_ep_nums = 3;
break;
case 2:
rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_NQ;
rtlusb->out_ep_nums = 2;
break;
case 1:
rtlusb->out_queue_sel = TX_SELE_HQ;
rtlusb->out_ep_nums = 1;
break;
default:
break;
}
}
static void _rtl92du_one_out_ep_mapping(struct rtl_usb *rtlusb,
struct rtl_ep_map *ep_map)
{
ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0];
}
static void _rtl92du_two_out_ep_mapping(struct rtl_usb *rtlusb,
struct rtl_ep_map *ep_map)
{
ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[1];
ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[1];
ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0];
}
static void _rtl92du_three_out_ep_mapping(struct rtl_usb *rtlusb,
struct rtl_ep_map *ep_map)
{
ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[2];
ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[2];
ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[1];
ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0];
ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0];
}
static int _rtl92du_out_ep_mapping(struct ieee80211_hw *hw)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct rtl_ep_map *ep_map = &rtlusb->ep_map;
switch (rtlusb->out_ep_nums) {
case 1:
_rtl92du_one_out_ep_mapping(rtlusb, ep_map);
break;
case 2:
_rtl92du_two_out_ep_mapping(rtlusb, ep_map);
break;
case 3:
_rtl92du_three_out_ep_mapping(rtlusb, ep_map);
break;
default:
return -EINVAL;
}
return 0;
}
int rtl92du_endpoint_mapping(struct ieee80211_hw *hw)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
_rtl92du_config_out_ep(hw, rtlusb->out_ep_nums);
/* Normal chip with one IN and one OUT doesn't have interrupt IN EP. */
if (rtlusb->out_ep_nums == 1 && rtlusb->in_ep_nums != 1)
return -EINVAL;
return _rtl92du_out_ep_mapping(hw);
}
u16 rtl92du_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
{
u16 hw_queue_index;
if (unlikely(ieee80211_is_beacon(fc))) {
hw_queue_index = RTL_TXQ_BCN;
goto out;
}
if (ieee80211_is_mgmt(fc)) {
hw_queue_index = RTL_TXQ_MGT;
goto out;
}
switch (mac80211_queue_index) {
case 0:
hw_queue_index = RTL_TXQ_VO;
break;
case 1:
hw_queue_index = RTL_TXQ_VI;
break;
case 2:
hw_queue_index = RTL_TXQ_BE;
break;
case 3:
hw_queue_index = RTL_TXQ_BK;
break;
default:
hw_queue_index = RTL_TXQ_BE;
WARN_ONCE(true, "rtl8192du: QSLT_BE queue, skb_queue:%d\n",
mac80211_queue_index);
break;
}
out:
return hw_queue_index;
}
Codebase Browser
linux