1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* AVB support
*
* Copyright © 2022 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef AVB_MAAP_H
#define AVB_MAAP_H
#include "packets.h"
#include "internal.h"
#define AVB_TSN_ETH 0x22f0
#define AVB_MAAP_MAC { 0x91, 0xe0, 0xf0, 0x00, 0xff, 0x00 };
#define AVB_MAAP_MESSAGE_TYPE_PROBE 1
#define AVB_MAAP_MESSAGE_TYPE_DEFEND 2
#define AVB_MAAP_MESSAGE_TYPE_ANNOUNCE 3
struct avb_packet_maap {
struct avb_packet_header hdr;
uint64_t stream_id;
uint8_t request_start[6];
uint16_t request_count;
uint8_t conflict_start[6];
uint16_t conflict_count;
} __attribute__ ((__packed__));
#define AVB_PACKET_MAAP_SET_MESSAGE_TYPE(p,v) AVB_PACKET_SET_SUB1(&(p)->hdr, v)
#define AVB_PACKET_MAAP_SET_MAAP_VERSION(p,v) AVB_PACKET_SET_SUB2(&(p)->hdr, v)
#define AVB_PACKET_MAAP_SET_STREAM_ID(p,v) ((p)->stream_id = htobe64(v))
#define AVB_PACKET_MAAP_SET_REQUEST_START(p,v) memcpy((p)->request_start, (v), 6)
#define AVB_PACKET_MAAP_SET_REQUEST_COUNT(p,v) ((p)->request_count = htons(v))
#define AVB_PACKET_MAAP_SET_CONFLICT_START(p,v) memcpy((p)->conflict_start, (v), 6)
#define AVB_PACKET_MAAP_SET_CONFLICT_COUNT(p,v) ((p)->conflict_count = htons(v))
#define AVB_PACKET_MAAP_GET_MESSAGE_TYPE(p) AVB_PACKET_GET_SUB1(&(p)->hdr)
#define AVB_PACKET_MAAP_GET_MAAP_VERSION(p) AVB_PACKET_GET_SUB2(&(p)->hdr)
#define AVB_PACKET_MAAP_GET_STREAM_ID(p) be64toh((p)->stream_id)
#define AVB_PACKET_MAAP_GET_REQUEST_START(p) ((p)->request_start)
#define AVB_PACKET_MAAP_GET_REQUEST_COUNT(p) ntohs((p)->request_count)
#define AVB_PACKET_MAAP_GET_CONFLICT_START(p) ((p)->conflict_start)
#define AVB_PACKET_MAAP_GET_CONFLICT_COUNT(p) ntohs((p)->conflict_count)
struct avb_maap;
struct avb_maap *avb_maap_register(struct server *server);
int avb_maap_reserve(struct avb_maap *maap, uint32_t count);
int avb_maap_get_address(struct avb_maap *maap, uint8_t addr[6], uint32_t index);
#endif /* AVB_MAAP_H */
|
