345 lines
12 KiB
C
345 lines
12 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef PLC_MAC_HEADER_H
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#define PLC_MAC_HEADER_H
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/* os shim includes */
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#include "iot_config.h"
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#include "os_types.h"
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#include "iot_utils.h"
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#include "plc_utils.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* pack for the structures in the whole file */
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#pragma pack(push) // save the pack status
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#pragma pack(1) // 1 byte align
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/* sg mac header version: mac standard frame protocol */
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#define MAC_HEADER_VERSION 0
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/* sg mac header version: mac single-hop frame protocol */
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#define MAC_HEADER_SHORT_VER 1
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// MSDU content type of mac single-hop frame
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#define MSDU_TYPE_S_DIS_NODE 0
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#define MSDU_TYPE_S_APP_DATA 128
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#define MSDU_TYPE_S_IP 129
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// MSDU content type
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#define MSDU_TYPE_MME 0 // MSDU TYPE MME
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#define MSDU_TYPE_AUTH 1 // MSDU TYPE AUTHENTICATION MESSAGE
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#define MSDU_TYPE_APP_DATA 48 // MSDU TYPE APP DATA
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#define MSDU_TYPE_IP 49 // MSDU TYPE IP DATA
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#define MSDU_TYPE_SILA_NHM 53 // MSDU TYPE SILA NHM
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// MSDU send type
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#define ST_UNICAST 0
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#define ST_BCAST_NETWORK 1
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#define ST_BCAST_LOCAL 2
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#define ST_BCAST_PROXY 3
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/* define local broadcast hop */
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#define ST_BCAST_LOCAL_HOP 1
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/* define connectionless whole network broadcast hop */
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#define ST_BCAST_NETWORK_CL_HOP 5
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// broadcast direction
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#define BCAST_DIR_TWOWAY 0 // 2 way broadcast
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#define BCAST_DIR_DOWNLINK 1 // downlink broadcast
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#define BCAST_DIR_UPLINK 2 // uplink broadcast
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/* max reboot count */
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#define MAC_HDR_REBOOT_CNT_MAX 15
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#define SG_MAC_MSDU_CRC_LEN 4
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/* define encryption key type */
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#define ENCRYPT_KEY_TYPE_NONE 0
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#define ENCRYPT_KEY_TYPE_CMK 1
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#define ENCRYPT_KEY_TYPE_CEK 2
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typedef struct _mac_header {
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uint16_t version : 4; // version of MAC header.
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uint16_t org_src_tei : 12; // TEI of original source STA
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uint16_t org_dest_tei: 12; // TEI of original dest STA
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uint16_t send_type : 4; // send type. unicast or broadcast.
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uint8_t send_max_cnt: 5; // maxmum times of sending a packet
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uint8_t _reseved1 : 3;
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uint16_t msdu_sn; // MSDU sequence number
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uint8_t msdu_type; // type of MSDU. see MSDU_TYPE_XXX
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uint16_t msdu_len : 11; // length of MSDU
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uint16_t reboot_cnt : 4; // reboot count
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uint16_t main_path_flag: 1; // if main path is used
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uint8_t total_hop_cnt: 4; // maxmum hop when delivery a packet
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uint8_t rest_hop_cnt: 4; // rest hop for a packet
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uint16_t bc_direction: 2; // broadcast direction
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uint16_t path_fix_flag : 1; // path fixing triggered
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uint16_t mac_exist_flag: 1; // if mac address exist in the end
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uint16_t key_type : 2; // encryption key type
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uint16_t cek_seq : 2; // communication encryption key sequence
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uint16_t zero_pad_len : 4; // length of compensation zero for encryption
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uint16_t _reserved2 : 4;
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uint8_t network_sn; // network sequence number
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uint16_t _reserved3;
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uint8_t mac[0][IOT_MAC_ADDR_LEN];// mac[0] is src. mac[1] is dest MAC.
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} mac_header_t;
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/* mac short header */
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typedef struct _mac_short_header {
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uint8_t version : 4, // version of MAC header.
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cek_seq : 2, // communication encryption key sequence
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key_type : 2; // encryption key type
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uint8_t msg_type; // msg type
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uint16_t msdu_len : 11, // length of MSDU
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zero_pad_len: 4, // length of compensation zero for encryption
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resv1 : 1; // reserved
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} mac_short_header_t;
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/* SPG define start */
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/* spg mac header version: mac standard frame protocol */
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#define SPG_MAC_HEADER_VERSION 1
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/* spg mac header version: mac single-hop frame protocol */
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#define SPG_MAC_HEADER_SHORT_VER 2
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// MSDU content type of mac single-hop frame
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#define SPG_MSDU_TYPE_S_APP_DATA 1
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#define SPG_MSDU_TYPE_S_DIS_NODE 2
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#define SPG_MSDU_TYPE_S_IP 128
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// MSDU content type
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#define SPG_MSDU_TYPE_MME 0x88E1 // SPG MSDU TYPE MME
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#define SPG_MSDU_TYPE_DATA 0x0001 // SPG MSDU TYPE DATA
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#define SPG_MSDU_SFRM_VT_MAX 0x0003 // SPG short msdu frame header vlan tag maxmum
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#define SPG_MSDU_LFRM_VT 0x8100
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/* MSDU send type, the whole network broadcast is same as the proxy broadcast
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* for southern grid
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*/
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#define SPG_ST_UNICAST_ACK 0
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#define SPG_ST_BCAST_NETWORK_NOACK 1
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#define SPG_ST_BCAST_LOCAL_NOACK 2
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#define SPG_ST_BCAST_NETWORK_ACK 3
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#define SPG_ST_BCAST_LOCAL_ACK 4
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// broadcast direction
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#define SPG_BCAST_DIR_DOWNLINK 1 // cco->sta
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#define SPG_BCAST_DIR_UPLINK 2 // sta->cco
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#define SPG_MAC_MSDU_CRC_LEN 4
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typedef struct _spg_mac_lheader_tail {
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uint8_t mac[IOT_MAC_ADDR_LEN]; // mac address
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uint8_t reseved[14]; // 14 Bytes resv for future use
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} spg_mac_lheader_tail_t;
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typedef struct _spg_mac_header {
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/* type of MAC header, 1 - short, 0 - long */
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uint16_t mac_hdr_type : 1,
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/* version of MAC header */
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version : 2,
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/* reserved */
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_reseved1 : 13;
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/* length of msdu */
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uint16_t msdu_len;
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/* origin dest TEI */
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uint32_t org_dest_tei : 12,
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/* origin src TEI */
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org_src_tei : 12,
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/* short network identifier, range 1-15 */
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snid : 4,
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/* reboot count */
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reboot_cnt : 4;
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/* route hop count */
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uint16_t route_hop_cnt : 4,
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/* direction of broadcast, see SPG_BCAST_DIR_XXX */
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bc_direction : 4,
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/* send type, see SPG_ST_XXX */
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send_type : 3,
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/* send maxmum count */
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send_max_cnt : 5;
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/* msdu sequence */
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uint16_t msdu_sn;
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spg_mac_lheader_tail_t spg_head_tail[0];
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} spg_mac_header_t;
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/*
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**SPG MSDU frame struture define
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*/
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typedef struct _spg_msdu_long_frame {
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uint8_t org_dst_mac_addr[IOT_MAC_ADDR_LEN];
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uint8_t org_src_mac_addr[IOT_MAC_ADDR_LEN];
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uint32_t vlan_tag;
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uint16_t msdu_type;
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uint8_t payload[0];
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} spg_msdu_lfrm_t;
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typedef struct _spg_msdu_short_frame {
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uint8_t vlan_tag;
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uint8_t msdu_type;
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uint8_t payload[0];
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} spg_msdu_sfrm_t;
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/* mac short header */
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typedef struct _spg_mac_short_header {
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/* type of MAC header, the field is meaningless */
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uint8_t mac_hdr_type : 1,
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/* version of MAC header, see SPG_MAC_HEADER_XXX */
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version : 2,
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/* reserved */
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resv0 : 5;
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/* msg type, see SPG_MSDU_TYPE_S_XXX */
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uint8_t msg_type;
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/* length of msdu */
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uint16_t msdu_len;
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} spg_mac_short_header_t;
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/* SPG define end */
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#if SUPPORT_GREEN_PHY
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#define GP_MAC_MSDU_CRC_LEN 4
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typedef union _gp_ats_or_cfder {
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uint32_t ats;
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uint32_t cfder;
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}gp_ats_or_cfder_t;
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typedef struct _gp_mac_header {
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uint16_t mft : 2,
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mfl : 14;
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} gp_mac_header_t;
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#endif //SUPPORT_GREEN_PHY
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/* ieee1901 define start */
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/* ieee1901 mac header standard protocol version */
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#define I1901_MAC_HDR_STD_VER 0
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/* ieee1901 msdu send type */
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#define I1901_ST_UNICAST 0
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#define I1901_ST_BCAST_NETWORK 1
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#define I1901_ST_BCAST_LOCAL 2
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#define I1901_ST_BCAST_PROXY 3
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#define I1901_ST_BCAST_ADAPTIVE 4
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/* ieee1901 MSDU content type */
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#define I1901_MSDU_TYPE_MME 0
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#define I1901_MSDU_TYPE_APP_DATA 48
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#define I1901_MSDU_TYPE_IP 49
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#define I1901_MSDU_TYPE_TEST 50
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#define I1901_MSDU_TYPE_ETH 51
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/* ieee1901 broadcast direction */
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#define I1901_BCAST_DIR_TWOWAY 0 // 2 way broadcast
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#define I1901_BCAST_DIR_DOWNLINK 1 // downlink broadcast
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#define I1901_BCAST_DIR_UPLINK 2 // uplink broadcast
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#define I1901_BCAST_DIR_ADAPTIVE 3 // adaptive relay
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/* ieee1901 mac msdu frame integrity check value */
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#define I1901_MAC_MSDU_CRC_LEN 4
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/* ieee1901 mac header relay variant */
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typedef struct _i1901_mac_header_var {
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/* TEI of original source STA */
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uint32_t org_src_tei : 12,
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/* TEI of original dest STA */
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org_dest_tei : 12,
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/* maximum hop count for MAC frame forwarding */
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total_hop_cnt : 4,
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/* remaining forwarding hop count */
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rest_hop_cnt : 4;
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/* disable/enable proxy main path mode */
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uint8_t main_path_flag : 1,
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#if PLC_SILA_NHM_ENABLE
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/* transmission direction of a broadcast packet */
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bc_direction : 2,
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/* if mac address exist in the end */
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mac_exist_flag : 1,
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/* leave network delay */
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leave_delay : 4;
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#else /* PLC_SILA_NHM_ENABLE */
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/* transmission direction of a broadcast packet */
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bc_direction : 1,
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rsvd : 6;
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#endif /* PLC_SILA_NHM_ENABLE */
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/* current networking sequence number */
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uint8_t network_sn;
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#if PLC_SILA_NHM_ENABLE
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/* dumy code */
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uint16_t dumy;
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#endif
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} i1901_mac_header_var_t;
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typedef struct _i1901_mac_header {
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/* version of MAC header */
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uint8_t version : 4,
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/* send type. unicast or broadcast, see I1901_ST_XXX */
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send_type : 4;
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/* maxmum times of sending a packet */
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uint8_t send_max_cnt : 5,
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/* reseved */
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rsvd : 3;
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/* MSDU sequence number */
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uint16_t msdu_sn;
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/* type of MSDU. see I1901_MSDU_TYPE_XXX */
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uint8_t msdu_type;
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/* length of MSDU */
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uint16_t msdu_len : 11,
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/* reset count */
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reboot_cnt : 4,
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/* indicate the type of the mac frame */
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mac_frame_type : 1;
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#if PLC_SILA_NHM_ENABLE
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/* dumy code */
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uint8_t dumy;
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#endif
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/* mac header relay variant */
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i1901_mac_header_var_t var[0];
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} i1901_mac_header_t;
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/* ieee1901 define end */
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#if PLC_SILA_NHM_ENABLE
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#define i1901_mac_hdr_var_is_valid(mac_hdr) \
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((((i1901_mac_header_t *)(mac_hdr))->mac_frame_type) == 1)
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#define i1901_mac_hdr_var_addr_is_valid(mac_hdr) \
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((((i1901_mac_header_t *)(mac_hdr))->var[0].mac_exist_flag) == 1)
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#else
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#define i1901_mac_hdr_var_is_valid(mac_hdr) \
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((((i1901_mac_header_t *)(mac_hdr))->mac_frame_type) == 0)
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#define i1901_mac_hdr_var_addr_is_valid(mac_hdr) 0
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#endif
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#pragma pack(pop) // restore the pack status
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#ifdef __cplusplus
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}
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#endif
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#endif /* PLC_MAC_HEADER_H */
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