/** @file wlan_mac_802_11_defs.h * @brief Common 802.11 Definitions * * This contains definitions of 802.11 packets that are required by both * the upper and lower level CPUs. * * @copyright Copyright 2013-2019, Mango Communications. All rights reserved. * Distributed under the Mango Communications Reference Design License * See LICENSE.txt included in the design archive or * at http://mangocomm.com/802.11/license * * This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11) */ #ifndef WLAN_MAC_802_11_H #define WLAN_MAC_802_11_H #include "xil_types.h" #include "wlan_common_types.h" //----------------------------------------------- // 802.11 structure defines // typedef struct mac_header_80211{ u8 frame_control_1; u8 frame_control_2; u16 duration_id; u8 address_1[MAC_ADDR_LEN]; u8 address_2[MAC_ADDR_LEN]; u8 address_3[MAC_ADDR_LEN]; u16 sequence_control; //u8 address_4[MAC_ADDR_LEN]; } __attribute__((__packed__)) mac_header_80211; ASSERT_TYPE_SIZE(mac_header_80211, 24); typedef struct mac_header_80211_ACK{ u8 frame_control_1; u8 frame_control_2; u16 duration_id; u8 address_ra[MAC_ADDR_LEN]; } __attribute__((__packed__)) mac_header_80211_ACK; ASSERT_TYPE_SIZE(mac_header_80211_ACK, 10); typedef struct mac_header_80211_CTS{ u8 frame_control_1; u8 frame_control_2; u16 duration_id; u8 address_ra[MAC_ADDR_LEN]; } __attribute__((__packed__)) mac_header_80211_CTS; ASSERT_TYPE_SIZE(mac_header_80211_CTS, 10); typedef struct mac_header_80211_RTS{ u8 frame_control_1; u8 frame_control_2; u16 duration_id; u8 address_ra[MAC_ADDR_LEN]; u8 address_ta[MAC_ADDR_LEN]; } __attribute__((__packed__)) mac_header_80211_RTS; ASSERT_TYPE_SIZE(mac_header_80211_RTS, 16); //IEEE 802.11-2012 section 8.2.4: //frame_control_1 bits[7:0]: // 7:4: Subtype // 3:2: Type // 1:0: Protocol Version #define MAC_FRAME_CTRL1_MASK_TYPE 0x0C #define MAC_FRAME_CTRL1_MASK_SUBTYPE 0xF0 //Frame types (Table 8-1) #define MAC_FRAME_CTRL1_TYPE_MGMT 0x00 #define MAC_FRAME_CTRL1_TYPE_CTRL 0x04 #define MAC_FRAME_CTRL1_TYPE_DATA 0x08 #define MAC_FRAME_CTRL1_TYPE_RSVD 0x0C #define WLAN_IS_CTRL_FRAME(f) ((((mac_header_80211*)f)->frame_control_1) & MAC_FRAME_CTRL1_TYPE_CTRL) //Frame sub-types (Table 8-1) //Management (MAC_FRAME_CTRL1_TYPE_MGMT) sub-types #define MAC_FRAME_CTRL1_SUBTYPE_ASSOC_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x00) #define MAC_FRAME_CTRL1_SUBTYPE_ASSOC_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x10) #define MAC_FRAME_CTRL1_SUBTYPE_REASSOC_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x20) #define MAC_FRAME_CTRL1_SUBTYPE_REASSOC_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x30) #define MAC_FRAME_CTRL1_SUBTYPE_PROBE_REQ (MAC_FRAME_CTRL1_TYPE_MGMT | 0x40) #define MAC_FRAME_CTRL1_SUBTYPE_PROBE_RESP (MAC_FRAME_CTRL1_TYPE_MGMT | 0x50) #define MAC_FRAME_CTRL1_SUBTYPE_BEACON (MAC_FRAME_CTRL1_TYPE_MGMT | 0x80) #define MAC_FRAME_CTRL1_SUBTYPE_ATIM (MAC_FRAME_CTRL1_TYPE_MGMT | 0x90) #define MAC_FRAME_CTRL1_SUBTYPE_DISASSOC (MAC_FRAME_CTRL1_TYPE_MGMT | 0xA0) #define MAC_FRAME_CTRL1_SUBTYPE_AUTH (MAC_FRAME_CTRL1_TYPE_MGMT | 0xB0) #define MAC_FRAME_CTRL1_SUBTYPE_DEAUTH (MAC_FRAME_CTRL1_TYPE_MGMT | 0xC0) #define MAC_FRAME_CTRL1_SUBTYPE_ACTION (MAC_FRAME_CTRL1_TYPE_MGMT | 0xD0) //Control (MAC_FRAME_CTRL1_TYPE_CTRL) sub-types #define MAC_FRAME_CTRL1_SUBTYPE_BLK_ACK_REQ (MAC_FRAME_CTRL1_TYPE_CTRL | 0x80) #define MAC_FRAME_CTRL1_SUBTYPE_BLK_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0x90) #define MAC_FRAME_CTRL1_SUBTYPE_PS_POLL (MAC_FRAME_CTRL1_TYPE_CTRL | 0xA0) #define MAC_FRAME_CTRL1_SUBTYPE_RTS (MAC_FRAME_CTRL1_TYPE_CTRL | 0xB0) #define MAC_FRAME_CTRL1_SUBTYPE_CTS (MAC_FRAME_CTRL1_TYPE_CTRL | 0xC0) #define MAC_FRAME_CTRL1_SUBTYPE_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0xD0) #define MAC_FRAME_CTRL1_SUBTYPE_CF_END (MAC_FRAME_CTRL1_TYPE_CTRL | 0xE0) #define MAC_FRAME_CTRL1_SUBTYPE_CF_END_CF_ACK (MAC_FRAME_CTRL1_TYPE_CTRL | 0xF0) //Data (MAC_FRAME_CTRL1_TYPE_DATA) sub-types #define MAC_FRAME_CTRL1_SUBTYPE_DATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x00) #define MAC_FRAME_CTRL1_SUBTYPE_QOSDATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x80) #define MAC_FRAME_CTRL1_SUBTYPE_NULLDATA (MAC_FRAME_CTRL1_TYPE_DATA | 0x40) //IEEE 802.11-2012 section 8.2.4: //frame_control_2 bits[7:0]: #define MAC_FRAME_CTRL2_FLAG_ORDER 0x80 #define MAC_FRAME_CTRL2_FLAG_PROTECTED 0x40 #define MAC_FRAME_CTRL2_FLAG_MORE_DATA 0x20 #define MAC_FRAME_CTRL2_FLAG_POWER_MGMT 0x10 #define MAC_FRAME_CTRL2_FLAG_RETRY 0x08 #define MAC_FRAME_CTRL2_FLAG_MORE_FLAGS 0x04 #define MAC_FRAME_CTRL2_FLAG_FROM_DS 0x02 #define MAC_FRAME_CTRL2_FLAG_TO_DS 0x01 typedef struct beacon_probe_frame{ u64 timestamp; u16 beacon_interval; u16 capabilities; } __attribute__((__packed__)) beacon_probe_frame; ASSERT_TYPE_SIZE(beacon_probe_frame, 12); typedef struct association_req_frame{ u16 capabilities; u16 listen_interval; } __attribute__((__packed__)) association_req_frame; ASSERT_TYPE_SIZE(association_req_frame, 4); ///////Capabilities #define CAPABILITIES_ESS 0x0001 #define CAPABILITIES_IBSS 0x0002 //#define CAPABILITIES_CFP #define CAPABILITIES_PRIVACY 0x0010 #define CAPABILITIES_SHORT_PREAMBLE 0x0020 #define CAPABILITIES_PBCC 0x0040 #define CAPABILITIES_CHAN_AGILITY 0x0080 #define CAPABILITIES_SPEC_MGMT 0x0100 #define CAPABILITIES_SHORT_TIMESLOT 0x0400 #define CAPABILITIES_APSD 0x0800 #define CAPABILITIES_DSSS_OFDM 0x2000 #define CAPABILITIES_DELAYED_BLOCK_ACK 0x4000 #define CAPABILITIES_IMMEDIATE_BLOCK_ACK 0x8000 #define RATE_BASIC 0x80 typedef struct qos_control{ u16 control; } __attribute__((__packed__)) qos_control; ASSERT_TYPE_SIZE(qos_control, 2); #endif /* WLAN_MAC_802_11_H */