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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2024 PHYTEC Messtechnik GmbH
* Author: Daniel Schultz <d.schultz@phytec.de>
*/
#ifndef _PHYTEC_SOM_DETECTION_BLOCKS_H
#define _PHYTEC_SOM_DETECTION_BLOCKS_H
#define PHYTEC_API3_DATA_HEADER_LEN 8
#define PHYTEC_API3_BLOCK_HEADER_LEN 4
#define PHYTEC_API3_PAYLOAD_START \
(PHYTEC_API2_DATA_LEN + PHYTEC_API3_DATA_HEADER_LEN)
#define PHYTEC_API3_ELEMENT_HEADER_SIZE \
(sizeof(struct phytec_api3_element *) + \
sizeof(enum phytec_api3_block_types))
#define PHYTEC_API3_FOREACH_BLOCK(elem, data) \
for (elem = phytec_get_block_head(data); elem; elem = elem->next)
struct phytec_api3_header {
u16 data_length; /* Total length in Bytes of all blocks */
u8 block_count; /* Number of blocks */
u8 sub_version; /* Block specification version */
u8 reserved[3]; /* Reserved */
u8 crc8; /* checksum */
} __packed;
struct phytec_api3_block_header {
u8 block_type; /* Block payload identifier */
u16 next_block; /* Address of the next block */
u8 crc8; /* checksum */
} __packed;
enum phytec_api3_block_types {
PHYTEC_API3_BLOCK_MAC = 0,
};
struct phytec_api3_block_mac {
u8 interface; /* Ethernet interface number */
u8 address[6]; /* MAC-Address */
u8 crc8; /* checksum */
} __packed;
struct phytec_api3_element {
struct phytec_api3_element *next;
enum phytec_api3_block_types block_type;
union {
struct phytec_api3_block_mac mac;
} block;
} __packed;
struct phytec_api3_element *
phytec_blocks_init_mac(struct phytec_api3_block_header *header,
uint8_t *payload);
int __maybe_unused
phytec_blocks_add_mac_to_env(struct phytec_api3_element *element);
#endif /* _PHYTEC_SOM_DETECTION_BLOCKS_H */
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