1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #ifndef __RTW_TX_H_ 6 #define __RTW_TX_H_ 7 8 #define RTK_TX_MAX_AGG_NUM_MASK 0x1f 9 10 #define RTW_TX_PROBE_TIMEOUT msecs_to_jiffies(500) 11 12 struct rtw_tx_desc { 13 __le32 w0; 14 __le32 w1; 15 __le32 w2; 16 __le32 w3; 17 __le32 w4; 18 __le32 w5; 19 __le32 w6; 20 __le32 w7; 21 __le32 w8; 22 __le32 w9; 23 } __packed; 24 25 #define RTW_TX_DESC_W0_TXPKTSIZE GENMASK(15, 0) 26 #define RTW_TX_DESC_W0_OFFSET GENMASK(23, 16) 27 #define RTW_TX_DESC_W0_BMC BIT(24) 28 #define RTW_TX_DESC_W0_LS BIT(26) 29 #define RTW_TX_DESC_W0_DISQSELSEQ BIT(31) 30 #define RTW_TX_DESC_W1_QSEL GENMASK(12, 8) 31 #define RTW_TX_DESC_W1_RATE_ID GENMASK(20, 16) 32 #define RTW_TX_DESC_W1_SEC_TYPE GENMASK(23, 22) 33 #define RTW_TX_DESC_W1_PKT_OFFSET GENMASK(28, 24) 34 #define RTW_TX_DESC_W1_MORE_DATA BIT(29) 35 #define RTW_TX_DESC_W2_AGG_EN BIT(12) 36 #define RTW_TX_DESC_W2_SPE_RPT BIT(19) 37 #define RTW_TX_DESC_W2_AMPDU_DEN GENMASK(22, 20) 38 #define RTW_TX_DESC_W2_BT_NULL BIT(23) 39 #define RTW_TX_DESC_W3_HW_SSN_SEL GENMASK(7, 6) 40 #define RTW_TX_DESC_W3_USE_RATE BIT(8) 41 #define RTW_TX_DESC_W3_DISDATAFB BIT(10) 42 #define RTW_TX_DESC_W3_USE_RTS BIT(12) 43 #define RTW_TX_DESC_W3_NAVUSEHDR BIT(15) 44 #define RTW_TX_DESC_W3_MAX_AGG_NUM GENMASK(21, 17) 45 #define RTW_TX_DESC_W4_DATARATE GENMASK(6, 0) 46 #define RTW_TX_DESC_W4_RTSRATE GENMASK(28, 24) 47 #define RTW_TX_DESC_W5_DATA_SHORT BIT(4) 48 #define RTW_TX_DESC_W5_DATA_BW GENMASK(6, 5) 49 #define RTW_TX_DESC_W5_DATA_LDPC BIT(7) 50 #define RTW_TX_DESC_W5_DATA_STBC GENMASK(9, 8) 51 #define RTW_TX_DESC_W5_DATA_RTS_SHORT BIT(12) 52 #define RTW_TX_DESC_W6_SW_DEFINE GENMASK(11, 0) 53 #define RTW_TX_DESC_W7_TXDESC_CHECKSUM GENMASK(15, 0) 54 #define RTW_TX_DESC_W7_DMA_TXAGG_NUM GENMASK(31, 24) 55 #define RTW_TX_DESC_W8_EN_HWSEQ BIT(15) 56 #define RTW_TX_DESC_W9_SW_SEQ GENMASK(23, 12) 57 #define RTW_TX_DESC_W9_TIM_EN BIT(7) 58 #define RTW_TX_DESC_W9_TIM_OFFSET GENMASK(6, 0) 59 60 enum rtw_tx_desc_queue_select { 61 TX_DESC_QSEL_TID0 = 0, 62 TX_DESC_QSEL_TID1 = 1, 63 TX_DESC_QSEL_TID2 = 2, 64 TX_DESC_QSEL_TID3 = 3, 65 TX_DESC_QSEL_TID4 = 4, 66 TX_DESC_QSEL_TID5 = 5, 67 TX_DESC_QSEL_TID6 = 6, 68 TX_DESC_QSEL_TID7 = 7, 69 TX_DESC_QSEL_TID8 = 8, 70 TX_DESC_QSEL_TID9 = 9, 71 TX_DESC_QSEL_TID10 = 10, 72 TX_DESC_QSEL_TID11 = 11, 73 TX_DESC_QSEL_TID12 = 12, 74 TX_DESC_QSEL_TID13 = 13, 75 TX_DESC_QSEL_TID14 = 14, 76 TX_DESC_QSEL_TID15 = 15, 77 TX_DESC_QSEL_BEACON = 16, 78 TX_DESC_QSEL_HIGH = 17, 79 TX_DESC_QSEL_MGMT = 18, 80 TX_DESC_QSEL_H2C = 19, 81 }; 82 83 enum rtw_rsvd_packet_type; 84 85 void rtw_tx(struct rtw_dev *rtwdev, 86 struct ieee80211_tx_control *control, 87 struct sk_buff *skb); 88 void rtw_txq_init(struct rtw_dev *rtwdev, struct ieee80211_txq *txq); 89 void rtw_txq_cleanup(struct rtw_dev *rtwdev, struct ieee80211_txq *txq); 90 void rtw_tx_work(struct work_struct *w); 91 void __rtw_tx_work(struct rtw_dev *rtwdev); 92 void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev, 93 struct rtw_tx_pkt_info *pkt_info, 94 struct ieee80211_sta *sta, 95 struct sk_buff *skb); 96 void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb); 97 void rtw_tx_report_enqueue(struct rtw_dev *rtwdev, struct sk_buff *skb, u8 sn); 98 void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src); 99 void rtw_tx_rsvd_page_pkt_info_update(struct rtw_dev *rtwdev, 100 struct rtw_tx_pkt_info *pkt_info, 101 struct sk_buff *skb, 102 enum rtw_rsvd_packet_type type); 103 struct sk_buff * 104 rtw_tx_write_data_rsvd_page_get(struct rtw_dev *rtwdev, 105 struct rtw_tx_pkt_info *pkt_info, 106 u8 *buf, u32 size); 107 struct sk_buff * 108 rtw_tx_write_data_h2c_get(struct rtw_dev *rtwdev, 109 struct rtw_tx_pkt_info *pkt_info, 110 u8 *buf, u32 size); 111 112 enum rtw_tx_queue_type rtw_tx_ac_to_hwq(enum ieee80211_ac_numbers ac); 113 enum rtw_tx_queue_type rtw_tx_queue_mapping(struct sk_buff *skb); 114 115 static inline 116 void fill_txdesc_checksum_common(u8 *txdesc, size_t words) 117 { 118 __le16 chksum = 0; 119 __le16 *data = (__le16 *)(txdesc); 120 struct rtw_tx_desc *tx_desc = (struct rtw_tx_desc *)txdesc; 121 122 le32p_replace_bits(&tx_desc->w7, 0, RTW_TX_DESC_W7_TXDESC_CHECKSUM); 123 124 while (words--) 125 chksum ^= *data++; 126 127 le32p_replace_bits(&tx_desc->w7, __le16_to_cpu(chksum), 128 RTW_TX_DESC_W7_TXDESC_CHECKSUM); 129 } 130 131 static inline void rtw_tx_fill_txdesc_checksum(struct rtw_dev *rtwdev, 132 struct rtw_tx_pkt_info *pkt_info, 133 u8 *txdesc) 134 { 135 const struct rtw_chip_info *chip = rtwdev->chip; 136 137 chip->ops->fill_txdesc_checksum(rtwdev, pkt_info, txdesc); 138 } 139 140 #endif 141