1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * File: rxtx.h 20 * 21 * Purpose: 22 * 23 * Author: Jerry Chen 24 * 25 * Date: Jun. 27, 2002 26 * 27 */ 28 29 #ifndef __RXTX_H__ 30 #define __RXTX_H__ 31 32 #include "device.h" 33 #include "wcmd.h" 34 #include "baseband.h" 35 36 #define DEFAULT_MGN_LIFETIME_RES_64us 125 /* 64us */ 37 #define DEFAULT_MSDU_LIFETIME_RES_64us 8000 38 39 /* MIC HDR data header */ 40 struct vnt_mic_hdr { 41 u8 id; 42 u8 tx_priority; 43 u8 mic_addr2[6]; 44 u8 ccmp_pn[IEEE80211_CCMP_PN_LEN]; 45 __be16 payload_len; 46 __be16 hlen; 47 __le16 frame_control; 48 u8 addr1[6]; 49 u8 addr2[6]; 50 u8 addr3[6]; 51 __le16 seq_ctrl; 52 u8 addr4[6]; 53 u16 packing; /* packing to 48 bytes */ 54 } __packed; 55 56 /* RsvTime buffer header */ 57 struct vnt_rrv_time_rts { 58 __le16 rts_rrv_time_ba; 59 __le16 rts_rrv_time_aa; 60 __le16 rts_rrv_time_bb; 61 u16 wReserved; 62 __le16 rrv_time_b; 63 __le16 rrv_time_a; 64 } __packed; 65 66 struct vnt_rrv_time_cts { 67 __le16 cts_rrv_time_ba; 68 u16 wReserved; 69 __le16 rrv_time_b; 70 __le16 rrv_time_a; 71 } __packed; 72 73 struct vnt_rrv_time_ab { 74 __le16 rts_rrv_time; 75 __le16 rrv_time; 76 } __packed; 77 78 /* TX data header */ 79 struct vnt_tx_datahead_g { 80 struct vnt_phy_field b; 81 struct vnt_phy_field a; 82 __le16 duration_b; 83 __le16 duration_a; 84 __le16 time_stamp_off_b; 85 __le16 time_stamp_off_a; 86 struct ieee80211_hdr hdr; 87 } __packed; 88 89 struct vnt_tx_datahead_g_fb { 90 struct vnt_phy_field b; 91 struct vnt_phy_field a; 92 __le16 duration_b; 93 __le16 duration_a; 94 __le16 duration_a_f0; 95 __le16 duration_a_f1; 96 __le16 time_stamp_off_b; 97 __le16 time_stamp_off_a; 98 struct ieee80211_hdr hdr; 99 } __packed; 100 101 struct vnt_tx_datahead_ab { 102 struct vnt_phy_field ab; 103 __le16 duration; 104 __le16 time_stamp_off; 105 struct ieee80211_hdr hdr; 106 } __packed; 107 108 struct vnt_tx_datahead_a_fb { 109 struct vnt_phy_field a; 110 __le16 duration; 111 __le16 time_stamp_off; 112 __le16 duration_f0; 113 __le16 duration_f1; 114 struct ieee80211_hdr hdr; 115 } __packed; 116 117 /* RTS buffer header */ 118 struct vnt_rts_g { 119 struct vnt_phy_field b; 120 struct vnt_phy_field a; 121 __le16 duration_ba; 122 __le16 duration_aa; 123 __le16 duration_bb; 124 u16 wReserved; 125 struct ieee80211_rts data; 126 struct vnt_tx_datahead_g data_head; 127 } __packed; 128 129 struct vnt_rts_g_fb { 130 struct vnt_phy_field b; 131 struct vnt_phy_field a; 132 __le16 duration_ba; 133 __le16 duration_aa; 134 __le16 duration_bb; 135 u16 wReserved; 136 __le16 rts_duration_ba_f0; 137 __le16 rts_duration_aa_f0; 138 __le16 rts_duration_ba_f1; 139 __le16 rts_duration_aa_f1; 140 struct ieee80211_rts data; 141 struct vnt_tx_datahead_g_fb data_head; 142 } __packed; 143 144 struct vnt_rts_ab { 145 struct vnt_phy_field ab; 146 __le16 duration; 147 u16 wReserved; 148 struct ieee80211_rts data; 149 struct vnt_tx_datahead_ab data_head; 150 } __packed; 151 152 struct vnt_rts_a_fb { 153 struct vnt_phy_field a; 154 __le16 duration; 155 u16 wReserved; 156 __le16 rts_duration_f0; 157 __le16 rts_duration_f1; 158 struct ieee80211_rts data; 159 struct vnt_tx_datahead_a_fb data_head; 160 } __packed; 161 162 /* CTS buffer header */ 163 struct vnt_cts { 164 struct vnt_phy_field b; 165 __le16 duration_ba; 166 u16 wReserved; 167 struct ieee80211_cts data; 168 u16 reserved2; 169 struct vnt_tx_datahead_g data_head; 170 } __packed; 171 172 struct vnt_cts_fb { 173 struct vnt_phy_field b; 174 __le16 duration_ba; 175 u16 wReserved; 176 __le16 cts_duration_ba_f0; 177 __le16 cts_duration_ba_f1; 178 struct ieee80211_cts data; 179 u16 reserved2; 180 struct vnt_tx_datahead_g_fb data_head; 181 } __packed; 182 183 union vnt_tx_data_head { 184 /* rts g */ 185 struct vnt_rts_g rts_g; 186 struct vnt_rts_g_fb rts_g_fb; 187 /* rts a/b */ 188 struct vnt_rts_ab rts_ab; 189 struct vnt_rts_a_fb rts_a_fb; 190 /* cts g */ 191 struct vnt_cts cts_g; 192 struct vnt_cts_fb cts_g_fb; 193 /* no rts/cts */ 194 struct vnt_tx_datahead_a_fb data_head_a_fb; 195 struct vnt_tx_datahead_ab data_head_ab; 196 }; 197 198 struct vnt_tx_mic_hdr { 199 struct vnt_mic_hdr hdr; 200 union vnt_tx_data_head head; 201 } __packed; 202 203 union vnt_tx { 204 struct vnt_tx_mic_hdr mic; 205 union vnt_tx_data_head head; 206 }; 207 208 union vnt_tx_head { 209 struct { 210 struct vnt_rrv_time_rts rts; 211 union vnt_tx tx; 212 } __packed tx_rts; 213 struct { 214 struct vnt_rrv_time_cts cts; 215 union vnt_tx tx; 216 } __packed tx_cts; 217 struct { 218 struct vnt_rrv_time_ab ab; 219 union vnt_tx tx; 220 } __packed tx_ab; 221 }; 222 223 struct vnt_tx_fifo_head { 224 u8 tx_key[WLAN_KEY_LEN_CCMP]; 225 __le16 fifo_ctl; 226 __le16 time_stamp; 227 __le16 frag_ctl; 228 __le16 current_rate; 229 } __packed; 230 231 struct vnt_tx_buffer { 232 u8 type; 233 u8 pkt_no; 234 __le16 tx_byte_count; 235 struct vnt_tx_fifo_head fifo_head; 236 union vnt_tx_head tx_head; 237 } __packed; 238 239 struct vnt_tx_short_buf_head { 240 __le16 fifo_ctl; 241 u16 time_stamp; 242 struct vnt_phy_field ab; 243 __le16 duration; 244 __le16 time_stamp_off; 245 } __packed; 246 247 struct vnt_beacon_buffer { 248 u8 type; 249 u8 pkt_no; 250 __le16 tx_byte_count; 251 struct vnt_tx_short_buf_head short_head; 252 struct ieee80211_mgmt mgmt_hdr; 253 } __packed; 254 255 int vnt_tx_packet(struct vnt_private *, struct sk_buff *); 256 int vnt_beacon_make(struct vnt_private *, struct ieee80211_vif *); 257 int vnt_beacon_enable(struct vnt_private *, struct ieee80211_vif *, 258 struct ieee80211_bss_conf *); 259 260 #endif /* __RXTX_H__ */ 261