summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/realtek/rtw88/tx.h
blob: 3d544fd7f60f517aa2067eaa5809c4a7becc306c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright(c) 2018-2019  Realtek Corporation
 */

#ifndef __RTW_TX_H_
#define __RTW_TX_H_

#define RTK_TX_MAX_AGG_NUM_MASK		0x1f

#define RTW_TX_PROBE_TIMEOUT		msecs_to_jiffies(500)

struct rtw_tx_desc {
	__le32 w0;
	__le32 w1;
	__le32 w2;
	__le32 w3;
	__le32 w4;
	__le32 w5;
	__le32 w6;
	__le32 w7;
	__le32 w8;
	__le32 w9;
} __packed;

#define RTW_TX_DESC_W0_TXPKTSIZE GENMASK(15, 0)
#define RTW_TX_DESC_W0_OFFSET GENMASK(23, 16)
#define RTW_TX_DESC_W0_BMC BIT(24)
#define RTW_TX_DESC_W0_LS BIT(26)
#define RTW_TX_DESC_W0_DISQSELSEQ BIT(31)
#define RTW_TX_DESC_W1_MACID GENMASK(7, 0)
#define RTW_TX_DESC_W1_QSEL GENMASK(12, 8)
#define RTW_TX_DESC_W1_RATE_ID GENMASK(20, 16)
#define RTW_TX_DESC_W1_SEC_TYPE GENMASK(23, 22)
#define RTW_TX_DESC_W1_PKT_OFFSET GENMASK(28, 24)
#define RTW_TX_DESC_W1_MORE_DATA BIT(29)
#define RTW_TX_DESC_W2_AGG_EN BIT(12)
#define RTW_TX_DESC_W2_SPE_RPT BIT(19)
#define RTW_TX_DESC_W2_AMPDU_DEN GENMASK(22, 20)
#define RTW_TX_DESC_W2_BT_NULL BIT(23)
#define RTW_TX_DESC_W3_HW_SSN_SEL GENMASK(7, 6)
#define RTW_TX_DESC_W3_USE_RATE BIT(8)
#define RTW_TX_DESC_W3_DISDATAFB BIT(10)
#define RTW_TX_DESC_W3_USE_RTS BIT(12)
#define RTW_TX_DESC_W3_NAVUSEHDR BIT(15)
#define RTW_TX_DESC_W3_MAX_AGG_NUM GENMASK(21, 17)
#define RTW_TX_DESC_W4_DATARATE GENMASK(6, 0)
#define RTW_TX_DESC_W4_RTSRATE GENMASK(28, 24)
#define RTW_TX_DESC_W5_DATA_SHORT BIT(4)
#define RTW_TX_DESC_W5_DATA_BW GENMASK(6, 5)
#define RTW_TX_DESC_W5_DATA_LDPC BIT(7)
#define RTW_TX_DESC_W5_DATA_STBC GENMASK(9, 8)
#define RTW_TX_DESC_W5_DATA_RTS_SHORT BIT(12)
#define RTW_TX_DESC_W6_SW_DEFINE GENMASK(11, 0)
#define RTW_TX_DESC_W7_TXDESC_CHECKSUM GENMASK(15, 0)
#define RTW_TX_DESC_W7_DMA_TXAGG_NUM GENMASK(31, 24)
#define RTW_TX_DESC_W8_EN_HWSEQ BIT(15)
#define RTW_TX_DESC_W9_SW_SEQ GENMASK(23, 12)
#define RTW_TX_DESC_W9_TIM_EN BIT(7)
#define RTW_TX_DESC_W9_TIM_OFFSET GENMASK(6, 0)

enum rtw_tx_desc_queue_select {
	TX_DESC_QSEL_TID0	= 0,
	TX_DESC_QSEL_TID1	= 1,
	TX_DESC_QSEL_TID2	= 2,
	TX_DESC_QSEL_TID3	= 3,
	TX_DESC_QSEL_TID4	= 4,
	TX_DESC_QSEL_TID5	= 5,
	TX_DESC_QSEL_TID6	= 6,
	TX_DESC_QSEL_TID7	= 7,
	TX_DESC_QSEL_TID8	= 8,
	TX_DESC_QSEL_TID9	= 9,
	TX_DESC_QSEL_TID10	= 10,
	TX_DESC_QSEL_TID11	= 11,
	TX_DESC_QSEL_TID12	= 12,
	TX_DESC_QSEL_TID13	= 13,
	TX_DESC_QSEL_TID14	= 14,
	TX_DESC_QSEL_TID15	= 15,
	TX_DESC_QSEL_BEACON	= 16,
	TX_DESC_QSEL_HIGH	= 17,
	TX_DESC_QSEL_MGMT	= 18,
	TX_DESC_QSEL_H2C	= 19,
};

enum rtw_rsvd_packet_type;

void rtw_tx(struct rtw_dev *rtwdev,
	    struct ieee80211_tx_control *control,
	    struct sk_buff *skb);
void rtw_txq_init(struct rtw_dev *rtwdev, struct ieee80211_txq *txq);
void rtw_txq_cleanup(struct rtw_dev *rtwdev, struct ieee80211_txq *txq);
void rtw_tx_work(struct work_struct *w);
void __rtw_tx_work(struct rtw_dev *rtwdev);
void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
			    struct rtw_tx_pkt_info *pkt_info,
			    struct ieee80211_sta *sta,
			    struct sk_buff *skb);
void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb);
void rtw_tx_report_enqueue(struct rtw_dev *rtwdev, struct sk_buff *skb, u8 sn);
void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src);
void rtw_tx_rsvd_page_pkt_info_update(struct rtw_dev *rtwdev,
				      struct rtw_tx_pkt_info *pkt_info,
				      struct sk_buff *skb,
				      enum rtw_rsvd_packet_type type);
struct sk_buff *
rtw_tx_write_data_rsvd_page_get(struct rtw_dev *rtwdev,
				struct rtw_tx_pkt_info *pkt_info,
				u8 *buf, u32 size);
struct sk_buff *
rtw_tx_write_data_h2c_get(struct rtw_dev *rtwdev,
			  struct rtw_tx_pkt_info *pkt_info,
			  u8 *buf, u32 size);

enum rtw_tx_queue_type rtw_tx_ac_to_hwq(enum ieee80211_ac_numbers ac);
enum rtw_tx_queue_type rtw_tx_queue_mapping(struct sk_buff *skb);

static inline
void fill_txdesc_checksum_common(u8 *txdesc, size_t words)
{
	__le16 chksum = 0;
	__le16 *data = (__le16 *)(txdesc);
	struct rtw_tx_desc *tx_desc = (struct rtw_tx_desc *)txdesc;

	le32p_replace_bits(&tx_desc->w7, 0, RTW_TX_DESC_W7_TXDESC_CHECKSUM);

	while (words--)
		chksum ^= *data++;

	le32p_replace_bits(&tx_desc->w7, __le16_to_cpu(chksum),
			   RTW_TX_DESC_W7_TXDESC_CHECKSUM);
}

static inline void rtw_tx_fill_txdesc_checksum(struct rtw_dev *rtwdev,
					       struct rtw_tx_pkt_info *pkt_info,
					       u8 *txdesc)
{
	const struct rtw_chip_info *chip = rtwdev->chip;

	chip->ops->fill_txdesc_checksum(rtwdev, pkt_info, txdesc);
}

#endif