/* 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_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) int avb_maap_register(struct server *server); #endif /* AVB_MAAP_H */