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934ab3036e
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50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* AVB support */
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/* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#ifndef AVB_MAAP_H
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#define AVB_MAAP_H
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#include "packets.h"
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#include "internal.h"
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#define AVB_TSN_ETH 0x22f0
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#define AVB_MAAP_MAC { 0x91, 0xe0, 0xf0, 0x00, 0xff, 0x00 };
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#define AVB_MAAP_MESSAGE_TYPE_PROBE 1
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#define AVB_MAAP_MESSAGE_TYPE_DEFEND 2
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#define AVB_MAAP_MESSAGE_TYPE_ANNOUNCE 3
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struct avb_packet_maap {
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struct avb_packet_header hdr;
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uint64_t stream_id;
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uint8_t request_start[6];
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uint16_t request_count;
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uint8_t conflict_start[6];
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uint16_t conflict_count;
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} __attribute__ ((__packed__));
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#define AVB_PACKET_MAAP_SET_MESSAGE_TYPE(p,v) AVB_PACKET_SET_SUB1(&(p)->hdr, v)
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#define AVB_PACKET_MAAP_SET_MAAP_VERSION(p,v) AVB_PACKET_SET_SUB2(&(p)->hdr, v)
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#define AVB_PACKET_MAAP_SET_STREAM_ID(p,v) ((p)->stream_id = htobe64(v))
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#define AVB_PACKET_MAAP_SET_REQUEST_START(p,v) memcpy((p)->request_start, (v), 6)
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#define AVB_PACKET_MAAP_SET_REQUEST_COUNT(p,v) ((p)->request_count = htons(v))
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#define AVB_PACKET_MAAP_SET_CONFLICT_START(p,v) memcpy((p)->conflict_start, (v), 6)
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#define AVB_PACKET_MAAP_SET_CONFLICT_COUNT(p,v) ((p)->conflict_count = htons(v))
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#define AVB_PACKET_MAAP_GET_MESSAGE_TYPE(p) AVB_PACKET_GET_SUB1(&(p)->hdr)
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#define AVB_PACKET_MAAP_GET_MAAP_VERSION(p) AVB_PACKET_GET_SUB2(&(p)->hdr)
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#define AVB_PACKET_MAAP_GET_STREAM_ID(p) be64toh((p)->stream_id)
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#define AVB_PACKET_MAAP_GET_REQUEST_START(p) ((p)->request_start)
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#define AVB_PACKET_MAAP_GET_REQUEST_COUNT(p) ntohs((p)->request_count)
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#define AVB_PACKET_MAAP_GET_CONFLICT_START(p) ((p)->conflict_start)
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#define AVB_PACKET_MAAP_GET_CONFLICT_COUNT(p) ntohs((p)->conflict_count)
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struct avb_maap;
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struct avb_maap *avb_maap_register(struct server *server);
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int avb_maap_reserve(struct avb_maap *maap, uint32_t count);
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int avb_maap_get_address(struct avb_maap *maap, uint8_t addr[6], uint32_t index);
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#endif /* AVB_MAAP_H */
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