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Signed-off-by: Bitterblue Smith --- v4: - Fix trx.h header guard. - Delete unnecessary err, error variables. - Simplify rtl92du_tx_fill_desc, add empty lines. v3: - No change. v2: - Patch is new in v2, split from patch 3/3 in v1. --- .../wireless/realtek/rtlwifi/rtl8192du/trx.c | 377 ++++++++++++++++++ .../wireless/realtek/rtlwifi/rtl8192du/trx.h | 60 +++ 2 files changed, 437 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.c create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.h diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.c new file mode 100644 index 000000000000..dbf04ad20060 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.c @@ -0,0 +1,377 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#include "../wifi.h" +#include "../pci.h" +#include "../base.h" +#include "../stats.h" +#include "../usb.h" +#include "../rtl8192d/reg.h" +#include "../rtl8192d/def.h" +#include "../rtl8192d/phy_common.h" +#include "../rtl8192d/trx_common.h" +#include "phy.h" +#include "trx.h" +#include "led.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; +} diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.h new file mode 100644 index 000000000000..24a6f02f2bbb --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/trx.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#ifndef __RTL92DU_TRX_H__ +#define __RTL92DU_TRX_H__ + +#define TX_SELE_HQ BIT(0) /* High Queue */ +#define TX_SELE_LQ BIT(1) /* Low Queue */ +#define TX_SELE_NQ BIT(2) /* Normal Queue */ + +#define TX_TOTAL_PAGE_NUMBER_92DU 0xF8 +#define TEST_PAGE_NUM_PUBQ_92DU 0x89 +#define TX_TOTAL_PAGE_NUMBER_92D_DUAL_MAC 0x7A +#define NORMAL_PAGE_NUM_PUBQ_92D_DUAL_MAC 0x5A +#define NORMAL_PAGE_NUM_HPQ_92D_DUAL_MAC 0x10 +#define NORMAL_PAGE_NUM_LPQ_92D_DUAL_MAC 0x10 +#define NORMAL_PAGE_NUM_NORMALQ_92D_DUAL_MAC 0 + +#define WMM_NORMAL_TX_TOTAL_PAGE_NUMBER 0xF5 + +#define WMM_NORMAL_PAGE_NUM_PUBQ_92D 0x65 +#define WMM_NORMAL_PAGE_NUM_HPQ_92D 0x30 +#define WMM_NORMAL_PAGE_NUM_LPQ_92D 0x30 +#define WMM_NORMAL_PAGE_NUM_NPQ_92D 0x30 + +#define WMM_NORMAL_PAGE_NUM_PUBQ_92D_DUAL_MAC 0x32 +#define WMM_NORMAL_PAGE_NUM_HPQ_92D_DUAL_MAC 0x18 +#define WMM_NORMAL_PAGE_NUM_LPQ_92D_DUAL_MAC 0x18 +#define WMM_NORMAL_PAGE_NUM_NPQ_92D_DUAL_MAC 0x18 + +static inline void set_tx_desc_bmc(__le32 *__txdesc, u32 __value) +{ + le32p_replace_bits(__txdesc, __value, BIT(24)); +} + +static inline void set_tx_desc_agg_break(__le32 *__txdesc, u32 __value) +{ + le32p_replace_bits((__txdesc + 1), __value, BIT(6)); +} + +static inline void set_tx_desc_tx_desc_checksum(__le32 *__txdesc, u32 __value) +{ + le32p_replace_bits((__txdesc + 7), __value, GENMASK(15, 0)); +} + +void rtl92du_tx_fill_desc(struct ieee80211_hw *hw, + struct ieee80211_hdr *hdr, u8 *pdesc, + 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); +int rtl92du_endpoint_mapping(struct ieee80211_hw *hw); +u16 rtl92du_mq_to_hwq(__le16 fc, u16 mac80211_queue_index); +struct sk_buff *rtl92du_tx_aggregate_hdl(struct ieee80211_hw *hw, + struct sk_buff_head *list); +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); + +#endif