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Diffstat (limited to '')
| -rw-r--r-- | src/modules/module-avb/maap.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/modules/module-avb/maap.h b/src/modules/module-avb/maap.h new file mode 100644 index 0000000..6e56f8e --- /dev/null +++ b/src/modules/module-avb/maap.h @@ -0,0 +1,70 @@ +/* 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 */ |