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Diffstat (limited to 'src/modules/module-avb/acmp.h')
| -rw-r--r-- | src/modules/module-avb/acmp.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/modules/module-avb/acmp.h b/src/modules/module-avb/acmp.h new file mode 100644 index 0000000..5a41c66 --- /dev/null +++ b/src/modules/module-avb/acmp.h @@ -0,0 +1,99 @@ +/* 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_ACMP_H +#define AVB_ACMP_H + +#include "packets.h" +#include "internal.h" + +#define AVB_ACMP_MESSAGE_TYPE_CONNECT_TX_COMMAND 0 +#define AVB_ACMP_MESSAGE_TYPE_CONNECT_TX_RESPONSE 1 +#define AVB_ACMP_MESSAGE_TYPE_DISCONNECT_TX_COMMAND 2 +#define AVB_ACMP_MESSAGE_TYPE_DISCONNECT_TX_RESPONSE 3 +#define AVB_ACMP_MESSAGE_TYPE_GET_TX_STATE_COMMAND 4 +#define AVB_ACMP_MESSAGE_TYPE_GET_TX_STATE_RESPONSE 5 +#define AVB_ACMP_MESSAGE_TYPE_CONNECT_RX_COMMAND 6 +#define AVB_ACMP_MESSAGE_TYPE_CONNECT_RX_RESPONSE 7 +#define AVB_ACMP_MESSAGE_TYPE_DISCONNECT_RX_COMMAND 8 +#define AVB_ACMP_MESSAGE_TYPE_DISCONNECT_RX_RESPONSE 9 +#define AVB_ACMP_MESSAGE_TYPE_GET_RX_STATE_COMMAND 10 +#define AVB_ACMP_MESSAGE_TYPE_GET_RX_STATE_RESPONSE 11 +#define AVB_ACMP_MESSAGE_TYPE_GET_TX_CONNECTION_COMMAND 12 +#define AVB_ACMP_MESSAGE_TYPE_GET_TX_CONNECTION_RESPONSE 13 + +#define AVB_ACMP_STATUS_SUCCESS 0 +#define AVB_ACMP_STATUS_LISTENER_UNKNOWN_ID 1 +#define AVB_ACMP_STATUS_TALKER_UNKNOWN_ID 2 +#define AVB_ACMP_STATUS_TALKER_DEST_MAC_FAIL 3 +#define AVB_ACMP_STATUS_TALKER_NO_STREAM_INDEX 4 +#define AVB_ACMP_STATUS_TALKER_NO_BANDWIDTH 5 +#define AVB_ACMP_STATUS_TALKER_EXCLUSIVE 6 +#define AVB_ACMP_STATUS_LISTENER_TALKER_TIMEOUT 7 +#define AVB_ACMP_STATUS_LISTENER_EXCLUSIVE 8 +#define AVB_ACMP_STATUS_STATE_UNAVAILABLE 9 +#define AVB_ACMP_STATUS_NOT_CONNECTED 10 +#define AVB_ACMP_STATUS_NO_SUCH_CONNECTION 11 +#define AVB_ACMP_STATUS_COULD_NOT_SEND_MESSAGE 12 +#define AVB_ACMP_STATUS_TALKER_MISBEHAVING 13 +#define AVB_ACMP_STATUS_LISTENER_MISBEHAVING 14 +#define AVB_ACMP_STATUS_RESERVED 15 +#define AVB_ACMP_STATUS_CONTROLLER_NOT_AUTHORIZED 16 +#define AVB_ACMP_STATUS_INCOMPATIBLE_REQUEST 17 +#define AVB_ACMP_STATUS_LISTENER_INVALID_CONNECTION 18 +#define AVB_ACMP_STATUS_NOT_SUPPORTED 31 + +#define AVB_ACMP_TIMEOUT_CONNECT_TX_COMMAND_MS 2000 +#define AVB_ACMP_TIMEOUT_DISCONNECT_TX_COMMAND_MS 200 +#define AVB_ACMP_TIMEOUT_GET_TX_STATE_COMMAND 200 +#define AVB_ACMP_TIMEOUT_CONNECT_RX_COMMAND_MS 4500 +#define AVB_ACMP_TIMEOUT_DISCONNECT_RX_COMMAND_MS 500 +#define AVB_ACMP_TIMEOUT_GET_RX_STATE_COMMAND_MS 200 +#define AVB_ACMP_TIMEOUT_GET_TX_CONNECTION_COMMAND 200 + +struct avb_packet_acmp { + struct avb_packet_header hdr; + uint64_t stream_id; + uint64_t controller_guid; + uint64_t talker_guid; + uint64_t listener_guid; + uint16_t talker_unique_id; + uint16_t listener_unique_id; + char stream_dest_mac[6]; + uint16_t connection_count; + uint16_t sequence_id; + uint16_t flags; + uint16_t stream_vlan_id; + uint16_t reserved; +} __attribute__ ((__packed__)); + +#define AVB_PACKET_ACMP_SET_MESSAGE_TYPE(p,v) AVB_PACKET_SET_SUB1(&(p)->hdr, v) +#define AVB_PACKET_ACMP_SET_STATUS(p,v) AVB_PACKET_SET_SUB2(&(p)->hdr, v) + +#define AVB_PACKET_ACMP_GET_MESSAGE_TYPE(p) AVB_PACKET_GET_SUB1(&(p)->hdr) +#define AVB_PACKET_ACMP_GET_STATUS(p) AVB_PACKET_GET_SUB2(&(p)->hdr) + +struct avb_acmp *avb_acmp_register(struct server *server); + +#endif /* AVB_ACMP_H */ |