/* 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 AVBTP_ADP_H #define AVBTP_ADP_H #include "packets.h" #include "internal.h" #define AVBTP_ADP_MESSAGE_TYPE_ENTITY_AVAILABLE 0 #define AVBTP_ADP_MESSAGE_TYPE_ENTITY_DEPARTING 1 #define AVBTP_ADP_MESSAGE_TYPE_ENTITY_DISCOVER 2 #define AVBTP_ADP_ENTITY_CAPABILITY_EFU_MODE (1u<<0) #define AVBTP_ADP_ENTITY_CAPABILITY_ADDRESS_ACCESS_SUPPORTED (1u<<1) #define AVBTP_ADP_ENTITY_CAPABILITY_GATEWAY_ENTITY (1u<<2) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_SUPPORTED (1u<<3) #define AVBTP_ADP_ENTITY_CAPABILITY_LEGACY_AVC (1u<<4) #define AVBTP_ADP_ENTITY_CAPABILITY_ASSOCIATION_ID_SUPPORTED (1u<<5) #define AVBTP_ADP_ENTITY_CAPABILITY_ASSOCIATION_ID_VALID (1u<<6) #define AVBTP_ADP_ENTITY_CAPABILITY_VENDOR_UNIQUE_SUPPORTED (1u<<7) #define AVBTP_ADP_ENTITY_CAPABILITY_CLASS_A_SUPPORTED (1u<<8) #define AVBTP_ADP_ENTITY_CAPABILITY_CLASS_B_SUPPORTED (1u<<9) #define AVBTP_ADP_ENTITY_CAPABILITY_GPTP_SUPPORTED (1u<<10) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_AUTHENTICATION_SUPPORTED (1u<<11) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_AUTHENTICATION_REQUIRED (1u<<12) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_PERSISTENT_ACQUIRE_SUPPORTED (1u<<13) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_IDENTIFY_CONTROL_INDEX_VALID (1u<<14) #define AVBTP_ADP_ENTITY_CAPABILITY_AEM_INTERFACE_INDEX_VALID (1u<<15) #define AVBTP_ADP_ENTITY_CAPABILITY_GENERAL_CONTROLLER_IGNORE (1u<<16) #define AVBTP_ADP_ENTITY_CAPABILITY_ENTITY_NOT_READY (1u<<17) #define AVBTP_ADP_TALKER_CAPABILITY_IMPLEMENTED (1u<<0) #define AVBTP_ADP_TALKER_CAPABILITY_OTHER_SOURCE (1u<<9) #define AVBTP_ADP_TALKER_CAPABILITY_CONTROL_SOURCE (1u<<10) #define AVBTP_ADP_TALKER_CAPABILITY_MEDIA_CLOCK_SOURCE (1u<<11) #define AVBTP_ADP_TALKER_CAPABILITY_SMPTE_SOURCE (1u<<12) #define AVBTP_ADP_TALKER_CAPABILITY_MIDI_SOURCE (1u<<13) #define AVBTP_ADP_TALKER_CAPABILITY_AUDIO_SOURCE (1u<<14) #define AVBTP_ADP_TALKER_CAPABILITY_VIDEO_SOURCE (1u<<15) #define AVBTP_ADP_LISTENER_CAPABILITY_IMPLEMENTED (1u<<0) #define AVBTP_ADP_LISTENER_CAPABILITY_OTHER_SINK (1u<<9) #define AVBTP_ADP_LISTENER_CAPABILITY_CONTROL_SINK (1u<<10) #define AVBTP_ADP_LISTENER_CAPABILITY_MEDIA_CLOCK_SINK (1u<<11) #define AVBTP_ADP_LISTENER_CAPABILITY_SMPTE_SINK (1u<<12) #define AVBTP_ADP_LISTENER_CAPABILITY_MIDI_SINK (1u<<13) #define AVBTP_ADP_LISTENER_CAPABILITY_AUDIO_SINK (1u<<14) #define AVBTP_ADP_LISTENER_CAPABILITY_VIDEO_SINK (1u<<15) #define AVBTP_ADP_CONTROLLER_CAPABILITY_IMPLEMENTED (1u<<0) #define AVBTP_ADP_CONTROLLER_CAPABILITY_LAYER3_PROXY (1u<<1) struct avbtp_packet_adp { uint8_t subtype; #if __BYTE_ORDER == __BIG_ENDIAN unsigned sv:1; unsigned version:3; unsigned message_type:4; unsigned valid_time:5; unsigned len1:3; #elif __BYTE_ORDER == __LITTLE_ENDIAN unsigned message_type:4; unsigned version:3; unsigned sv:1; unsigned len1:3; unsigned valid_time:5; #endif uint8_t len2:8; uint64_t entity_id; uint64_t entity_model_id; uint32_t entity_capabilities; uint16_t talker_stream_sources; uint16_t talker_capabilities; uint16_t listener_stream_sinks; uint16_t listener_capabilities; uint32_t controller_capabilities; uint32_t available_index; uint64_t gptp_grandmaster_id; uint32_t reserved0; uint16_t identify_control_index; uint16_t interface_index; uint32_t association_id; uint32_t reserved1; } __attribute__ ((__packed__)); #define AVBTP_PACKET_ADP_SET_SUBTYPE(p,v) ((p)->subtype = (v)) #define AVBTP_PACKET_ADP_SET_SV(p,v) ((p)->sv = (v)) #define AVBTP_PACKET_ADP_SET_VERSION(p,v) ((p)->version = (v)) #define AVBTP_PACKET_ADP_SET_MESSAGE_TYPE(p,v) ((p)->message_type = (v)) #define AVBTP_PACKET_ADP_SET_VALID_TIME(p,v) ((p)->valid_time = (v)) #define AVBTP_PACKET_ADP_SET_LENGTH(p,v) ((p)->len1 = ((v) >> 8),(p)->len2 = (v)) #define AVBTP_PACKET_ADP_SET_ENTITY_ID(p,v) ((p)->entity_id = htobe64(v)) #define AVBTP_PACKET_ADP_SET_ENTITY_MODEL_ID(p,v) ((p)->entity_model_id = htobe64(v)) #define AVBTP_PACKET_ADP_SET_ENTITY_CAPABILITIES(p,v) ((p)->entity_capabilities = htonl(v)) #define AVBTP_PACKET_ADP_SET_TALKER_STREAM_SOURCES(p,v) ((p)->talker_stream_sources = htons(v)) #define AVBTP_PACKET_ADP_SET_TALKER_CAPABILITIES(p,v) ((p)->talker_capabilities = htons(v)) #define AVBTP_PACKET_ADP_SET_LISTENER_STREAM_SINKS(p,v) ((p)->listener_stream_sinks = htons(v)) #define AVBTP_PACKET_ADP_SET_LISTENER_CAPABILITIES(p,v) ((p)->listener_capabilities = htons(v)) #define AVBTP_PACKET_ADP_SET_CONTROLLER_CAPABILITIES(p,v) ((p)->controller_capabilities = htonl(v)) #define AVBTP_PACKET_ADP_SET_AVAILABLE_INDEX(p,v) ((p)->available_index = htonl(v)) #define AVBTP_PACKET_ADP_SET_GPTP_GRANDMASTER_ID(p,v) ((p)->gptp_grandmaster_id = htobe64(v)) #define AVBTP_PACKET_ADP_SET_ASSOCIATION_ID(p,v) ((p)->association_id = htonl(v)) #define AVBTP_PACKET_ADP_GET_SUBTYPE(p) ((p)->subtype) #define AVBTP_PACKET_ADP_GET_SV(p) ((p)->sv) #define AVBTP_PACKET_ADP_GET_VERSION(p) ((p)->version) #define AVBTP_PACKET_ADP_GET_MESSAGE_TYPE(p) ((p)->message_type) #define AVBTP_PACKET_ADP_GET_VALID_TIME(p) ((p)->valid_time) #define AVBTP_PACKET_ADP_GET_LENGTH(p) (((p)->len1 << 8) | (p)->len2) #define AVBTP_PACKET_ADP_GET_ENTITY_ID(p) be64toh((p)->entity_id) #define AVBTP_PACKET_ADP_GET_ENTITY_MODEL_ID(p) be64toh((p)->entity_model_id) #define AVBTP_PACKET_ADP_GET_ENTITY_CAPABILITIES(p) ntohl((p)->entity_capabilities) #define AVBTP_PACKET_ADP_GET_TALKER_STREAM_SOURCES(p) ntohs((p)->talker_stream_sources) #define AVBTP_PACKET_ADP_GET_TALKER_CAPABILITIES(p) ntohs((p)->talker_capabilities) #define AVBTP_PACKET_ADP_GET_LISTENER_STREAM_SINKS(p) ntohs((p)->listener_stream_sinks) #define AVBTP_PACKET_ADP_GET_LISTENER_CAPABILITIES(p) ntohs((p)->listener_capabilities) #define AVBTP_PACKET_ADP_GET_CONTROLLER_CAPABILITIES(p) ntohl((p)->controller_capabilities) #define AVBTP_PACKET_ADP_GET_AVAILABLE_INDEX(p) ntohl((p)->available_index) #define AVBTP_PACKET_ADP_GET_GPTP_GRANDMASTER_ID(p) be64toh((p)->gptp_grandmaster_id) #define AVBTP_PACKET_ADP_GET_ASSOCIATION_ID(p) ntohl((p)->association_id) struct avbtp_adp *avbtp_adp_register(struct server *server); #endif /* AVBTP_ADP_H */