[6319] | 1 | /** @file wlan_mac_802_11_defs.h |
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| 2 | * @brief Common 802.11 Definitions |
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| 3 | * |
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| 4 | * This contains definitions of 802.11 packets that are required by both |
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| 5 | * the upper and lower level CPUs. |
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| 6 | * |
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| 7 | * @copyright Copyright 2013-2019, Mango Communications. All rights reserved. |
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| 8 | * Distributed under the Mango Communications Reference Design License |
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| 9 | * See LICENSE.txt included in the design archive or |
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| 10 | * at http://mangocomm.com/802.11/license |
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| 11 | * |
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| 12 | * This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11) |
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| 13 | */ |
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| 14 | |
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| 15 | #ifndef WLAN_MAC_802_11_H |
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| 16 | #define WLAN_MAC_802_11_H |
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| 17 | |
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| 18 | #include "xil_types.h" |
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| 19 | #include "wlan_common_types.h" |
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| 20 | |
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| 21 | //----------------------------------------------- |
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| 22 | // 802.11 structure defines |
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| 23 | // |
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| 24 | typedef struct mac_header_80211{ |
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| 25 | u8 frame_control_1; |
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| 26 | u8 frame_control_2; |
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| 27 | u16 duration_id; |
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| 28 | u8 address_1[MAC_ADDR_LEN]; |
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| 29 | u8 address_2[MAC_ADDR_LEN]; |
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| 30 | u8 address_3[MAC_ADDR_LEN]; |
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| 31 | u16 sequence_control; |
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| 32 | //u8 address_4[MAC_ADDR_LEN]; |
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| 33 | } __attribute__((__packed__)) mac_header_80211; |
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| 34 | ASSERT_TYPE_SIZE(mac_header_80211, 24); |
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| 35 | |
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| 36 | typedef struct mac_header_80211_ACK{ |
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| 37 | u8 frame_control_1; |
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| 38 | u8 frame_control_2; |
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| 39 | u16 duration_id; |
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| 40 | u8 address_ra[MAC_ADDR_LEN]; |
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| 41 | } __attribute__((__packed__)) mac_header_80211_ACK; |
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| 42 | ASSERT_TYPE_SIZE(mac_header_80211_ACK, 10); |
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| 43 | |
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| 44 | typedef struct mac_header_80211_CTS{ |
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| 45 | u8 frame_control_1; |
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| 46 | u8 frame_control_2; |
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| 47 | u16 duration_id; |
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| 48 | u8 address_ra[MAC_ADDR_LEN]; |
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| 49 | } __attribute__((__packed__)) mac_header_80211_CTS; |
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| 50 | ASSERT_TYPE_SIZE(mac_header_80211_CTS, 10); |
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| 51 | |
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| 52 | typedef struct mac_header_80211_RTS{ |
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| 53 | u8 frame_control_1; |
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| 54 | u8 frame_control_2; |
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| 55 | u16 duration_id; |
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| 56 | u8 address_ra[MAC_ADDR_LEN]; |
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| 57 | u8 address_ta[MAC_ADDR_LEN]; |
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| 58 | } __attribute__((__packed__)) mac_header_80211_RTS; |
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| 59 | ASSERT_TYPE_SIZE(mac_header_80211_RTS, 16); |
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| 60 | |
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| 61 | //IEEE 802.11-2012 section 8.2.4: |
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| 62 | //frame_control_1 bits[7:0]: |
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| 63 | // 7:4: Subtype |
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| 64 | // 3:2: Type |
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| 65 | // 1:0: Protocol Version |
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| 66 | |
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| 67 | #define MAC_FRAME_CTRL1_MASK_TYPE 0x0C |
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| 68 | #define MAC_FRAME_CTRL1_MASK_SUBTYPE 0xF0 |
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| 69 | |
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| 70 | //Frame types (Table 8-1) |
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| 71 | #define MAC_FRAME_CTRL1_TYPE_MGMT 0x00 |
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| 72 | #define MAC_FRAME_CTRL1_TYPE_CTRL 0x04 |
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| 73 | #define MAC_FRAME_CTRL1_TYPE_DATA 0x08 |
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| 74 | #define MAC_FRAME_CTRL1_TYPE_RSVD 0x0C |
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| 75 | |
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| 76 | #define WLAN_IS_CTRL_FRAME(f) ((((mac_header_80211*)f)->frame_control_1) & MAC_FRAME_CTRL1_TYPE_CTRL) |
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| 77 | |
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| 78 | //Frame sub-types (Table 8-1) |
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| 79 | //Management (MAC_FRAME_CTRL1_TYPE_MGMT) sub-types |
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| 80 | #define MAC_FRAME_CTRL1_SUBTYPE_ASSOC_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x00) |
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| 81 | #define MAC_FRAME_CTRL1_SUBTYPE_ASSOC_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x10) |
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| 82 | #define MAC_FRAME_CTRL1_SUBTYPE_REASSOC_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x20) |
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| 83 | #define MAC_FRAME_CTRL1_SUBTYPE_REASSOC_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x30) |
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| 84 | #define MAC_FRAME_CTRL1_SUBTYPE_PROBE_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x40) |
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| 85 | #define MAC_FRAME_CTRL1_SUBTYPE_PROBE_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x50) |
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| 86 | #define MAC_FRAME_CTRL1_SUBTYPE_BEACON (MAC_FRAME_CTRL1_TYPE_MGMT | 0x80) |
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| 87 | #define MAC_FRAME_CTRL1_SUBTYPE_ATIM (MAC_FRAME_CTRL1_TYPE_MGMT | 0x90) |
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| 88 | #define MAC_FRAME_CTRL1_SUBTYPE_DISASSOC (MAC_FRAME_CTRL1_TYPE_MGMT | 0xA0) |
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| 89 | #define MAC_FRAME_CTRL1_SUBTYPE_AUTH (MAC_FRAME_CTRL1_TYPE_MGMT | 0xB0) |
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| 90 | #define MAC_FRAME_CTRL1_SUBTYPE_DEAUTH (MAC_FRAME_CTRL1_TYPE_MGMT | 0xC0) |
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| 91 | #define MAC_FRAME_CTRL1_SUBTYPE_ACTION (MAC_FRAME_CTRL1_TYPE_MGMT | 0xD0) |
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| 92 | |
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| 93 | //Control (MAC_FRAME_CTRL1_TYPE_CTRL) sub-types |
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| 94 | #define MAC_FRAME_CTRL1_SUBTYPE_BLK_ACK_REQ (MAC_FRAME_CTRL1_TYPE_CTRL | 0x80) |
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| 95 | #define MAC_FRAME_CTRL1_SUBTYPE_BLK_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0x90) |
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| 96 | #define MAC_FRAME_CTRL1_SUBTYPE_PS_POLL (MAC_FRAME_CTRL1_TYPE_CTRL | 0xA0) |
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| 97 | #define MAC_FRAME_CTRL1_SUBTYPE_RTS (MAC_FRAME_CTRL1_TYPE_CTRL | 0xB0) |
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| 98 | #define MAC_FRAME_CTRL1_SUBTYPE_CTS (MAC_FRAME_CTRL1_TYPE_CTRL | 0xC0) |
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| 99 | #define MAC_FRAME_CTRL1_SUBTYPE_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0xD0) |
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| 100 | #define MAC_FRAME_CTRL1_SUBTYPE_CF_END (MAC_FRAME_CTRL1_TYPE_CTRL | 0xE0) |
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| 101 | #define MAC_FRAME_CTRL1_SUBTYPE_CF_END_CF_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0xF0) |
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| 102 | |
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| 103 | //Data (MAC_FRAME_CTRL1_TYPE_DATA) sub-types |
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| 104 | |
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| 105 | #define MAC_FRAME_CTRL1_SUBTYPE_DATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x00) |
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| 106 | #define MAC_FRAME_CTRL1_SUBTYPE_QOSDATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x80) |
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| 107 | #define MAC_FRAME_CTRL1_SUBTYPE_NULLDATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x40) |
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| 108 | |
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| 109 | //IEEE 802.11-2012 section 8.2.4: |
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| 110 | //frame_control_2 bits[7:0]: |
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| 111 | #define MAC_FRAME_CTRL2_FLAG_ORDER 0x80 |
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| 112 | #define MAC_FRAME_CTRL2_FLAG_PROTECTED 0x40 |
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| 113 | #define MAC_FRAME_CTRL2_FLAG_MORE_DATA 0x20 |
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| 114 | #define MAC_FRAME_CTRL2_FLAG_POWER_MGMT 0x10 |
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| 115 | #define MAC_FRAME_CTRL2_FLAG_RETRY 0x08 |
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| 116 | #define MAC_FRAME_CTRL2_FLAG_MORE_FLAGS 0x04 |
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| 117 | #define MAC_FRAME_CTRL2_FLAG_FROM_DS 0x02 |
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| 118 | #define MAC_FRAME_CTRL2_FLAG_TO_DS 0x01 |
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| 119 | |
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| 120 | typedef struct beacon_probe_frame{ |
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| 121 | u64 timestamp; |
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| 122 | u16 beacon_interval; |
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| 123 | u16 capabilities; |
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| 124 | } __attribute__((__packed__)) beacon_probe_frame; |
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| 125 | ASSERT_TYPE_SIZE(beacon_probe_frame, 12); |
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| 126 | |
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| 127 | typedef struct association_req_frame{ |
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| 128 | u16 capabilities; |
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| 129 | u16 listen_interval; |
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| 130 | } __attribute__((__packed__)) association_req_frame; |
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| 131 | ASSERT_TYPE_SIZE(association_req_frame, 4); |
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| 132 | |
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| 133 | ///////Capabilities |
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| 134 | #define CAPABILITIES_ESS 0x0001 |
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| 135 | #define CAPABILITIES_IBSS 0x0002 |
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| 136 | //#define CAPABILITIES_CFP |
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| 137 | #define CAPABILITIES_PRIVACY 0x0010 |
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| 138 | #define CAPABILITIES_SHORT_PREAMBLE 0x0020 |
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| 139 | #define CAPABILITIES_PBCC 0x0040 |
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| 140 | #define CAPABILITIES_CHAN_AGILITY 0x0080 |
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| 141 | #define CAPABILITIES_SPEC_MGMT 0x0100 |
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| 142 | #define CAPABILITIES_SHORT_TIMESLOT 0x0400 |
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| 143 | #define CAPABILITIES_APSD 0x0800 |
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| 144 | #define CAPABILITIES_DSSS_OFDM 0x2000 |
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| 145 | #define CAPABILITIES_DELAYED_BLOCK_ACK 0x4000 |
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| 146 | #define CAPABILITIES_IMMEDIATE_BLOCK_ACK 0x8000 |
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| 147 | |
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| 148 | |
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| 149 | #define RATE_BASIC 0x80 |
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| 150 | |
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| 151 | typedef struct qos_control{ |
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| 152 | u16 control; |
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| 153 | } __attribute__((__packed__)) qos_control; |
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| 154 | ASSERT_TYPE_SIZE(qos_control, 2); |
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| 155 | |
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| 156 | #endif /* WLAN_MAC_802_11_H */ |
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