1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
6 * Purpose:
7 *
8 * Author: Jerry Chen
9 *
10 * Date: Jun. 27, 2002
11 *
12 */
13
14#ifndef __RXTX_H__
15#define __RXTX_H__
16
17#include "device.h"
18#include "wcmd.h"
19#include "baseband.h"
20
21#define DEFAULT_MGN_LIFETIME_RES_64us	125  /* 64us */
22#define DEFAULT_MSDU_LIFETIME_RES_64us  8000
23
24/* Length, Service, and Signal fields of Phy for Tx */
25struct vnt_phy_field {
26	u8 signal;
27	u8 service;
28	__le16 len;
29} __packed;
30
31/* MIC HDR data header */
32struct vnt_mic_hdr {
33	u8 id;
34	u8 tx_priority;
35	u8 mic_addr2[6];
36	u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
37	__be16 payload_len;
38	__be16 hlen;
39	__le16 frame_control;
40	u8 addr1[6];
41	u8 addr2[6];
42	u8 addr3[6];
43	__le16 seq_ctrl;
44	u8 addr4[6];
45	u16 packing; /* packing to 48 bytes */
46} __packed;
47
48/* RsvTime buffer header */
49struct vnt_rrv_time_rts {
50	__le16 rts_rrv_time_ba;
51	__le16 rts_rrv_time_aa;
52	__le16 rts_rrv_time_bb;
53	u16 wReserved;
54	__le16 rrv_time_b;
55	__le16 rrv_time_a;
56} __packed;
57
58struct vnt_rrv_time_cts {
59	__le16 cts_rrv_time_ba;
60	u16 wReserved;
61	__le16 rrv_time_b;
62	__le16 rrv_time_a;
63} __packed;
64
65struct vnt_rrv_time_ab {
66	__le16 rts_rrv_time;
67	__le16 rrv_time;
68} __packed;
69
70/* TX data header */
71struct vnt_tx_datahead_g {
72	struct vnt_phy_field b;
73	struct vnt_phy_field a;
74	__le16 duration_b;
75	__le16 duration_a;
76	__le16 time_stamp_off_b;
77	__le16 time_stamp_off_a;
78} __packed;
79
80struct vnt_tx_datahead_ab {
81	struct vnt_phy_field ab;
82	__le16 duration;
83	__le16 time_stamp_off;
84} __packed;
85
86/* RTS buffer header */
87struct vnt_rts_g {
88	struct vnt_phy_field b;
89	struct vnt_phy_field a;
90	__le16 duration_ba;
91	__le16 duration_aa;
92	__le16 duration_bb;
93	u16 wReserved;
94	struct ieee80211_rts data;
95	struct vnt_tx_datahead_g data_head;
96} __packed __aligned(2);
97
98struct vnt_rts_ab {
99	struct vnt_phy_field ab;
100	__le16 duration;
101	u16 wReserved;
102	struct ieee80211_rts data;
103	struct vnt_tx_datahead_ab data_head;
104} __packed __aligned(2);
105
106/* CTS buffer header */
107struct vnt_cts {
108	struct vnt_phy_field b;
109	__le16 duration_ba;
110	u16 wReserved;
111	struct ieee80211_cts data;
112	u16 reserved2;
113	struct vnt_tx_datahead_g data_head;
114} __packed __aligned(2);
115
116union vnt_tx_data_head {
117	/* rts g */
118	struct vnt_rts_g rts_g;
119	/* rts a/b */
120	struct vnt_rts_ab rts_ab;
121	/* cts g */
122	struct vnt_cts cts_g;
123	/* no rts/cts */
124	struct vnt_tx_datahead_ab data_head_ab;
125};
126
127struct vnt_tx_mic_hdr {
128	struct vnt_mic_hdr hdr;
129	union vnt_tx_data_head head;
130} __packed;
131
132union vnt_tx {
133	struct vnt_tx_mic_hdr mic;
134	union vnt_tx_data_head head;
135};
136
137union vnt_tx_head {
138	struct {
139		struct vnt_rrv_time_rts rts;
140		union vnt_tx tx;
141	} __packed tx_rts;
142	struct {
143		struct vnt_rrv_time_cts cts;
144		union vnt_tx tx;
145	} __packed tx_cts;
146	struct {
147		struct vnt_rrv_time_ab ab;
148		union vnt_tx tx;
149	} __packed tx_ab;
150};
151
152struct vnt_tx_fifo_head {
153	u8 tx_key[WLAN_KEY_LEN_CCMP];
154	__le16 fifo_ctl;
155	__le16 time_stamp;
156	__le16 frag_ctl;
157	__le16 current_rate;
158} __packed;
159
160struct vnt_tx_buffer {
161	struct vnt_tx_fifo_head fifo_head;
162	union vnt_tx_head tx_head;
163} __packed;
164
165struct vnt_tx_short_buf_head {
166	__le16 fifo_ctl;
167	u16 time_stamp;
168	struct vnt_phy_field ab;
169	__le16 duration;
170	__le16 time_stamp_off;
171} __packed;
172
173int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb);
174int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif);
175int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
176		      struct ieee80211_bss_conf *conf);
177
178#endif /* __RXTX_H__ */
179