mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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0868f0c7b0
Join a READY listener MRP attribute when we recveive the transmit response. Also listen for talker attributes. Remove attribute callbacks, we don't need them because we moved the packet construction in the MRP users. Implement notify for listener attributes. A connect will now make my MOTU send samples to PipeWire.
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/* AVB support
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*
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* Copyright © 2022 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef AVBTP_MSRP_H
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#define AVBTP_MSRP_H
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#include "internal.h"
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#include "mrp.h"
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#define AVB_MSRP_ETH 0x22ea
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#define AVB_MSRP_MAC { 0x01, 0x80, 0xc2, 0x00, 0x00, 0xe };
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#define AVBTP_MSRP_ATTRIBUTE_TYPE_TALKER_ADVERTISE 1
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#define AVBTP_MSRP_ATTRIBUTE_TYPE_TALKER_FAILED 2
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#define AVBTP_MSRP_ATTRIBUTE_TYPE_LISTENER 3
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#define AVBTP_MSRP_ATTRIBUTE_TYPE_DOMAIN 4
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#define AVBTP_MSRP_ATTRIBUTE_TYPE_VALID(t) ((t)>=1 && (t)<=4)
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struct avbtp_packet_msrp_msg {
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uint8_t attribute_type;
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uint8_t attribute_length;
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uint16_t attribute_list_length;
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uint8_t attribute_list[0];
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} __attribute__ ((__packed__));
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#define AVBTP_MSRP_TSPEC_MAX_INTERVAL_FRAMES_DEFAULT 1
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#define AVBTP_MSRP_RANK_DEFAULT 1
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#define AVBTP_MSRP_PRIORITY_DEFAULT 3
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struct avbtp_packet_msrp_talker {
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uint64_t stream_id;
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uint8_t dest_addr[6];
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uint16_t vlan_id;
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uint16_t tspec_max_frame_size;
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uint16_t tspec_max_interval_frames;
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#if __BYTE_ORDER == __BIG_ENDIAN
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unsigned priority:3;
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unsigned rank:1;
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unsigned reserved:4;
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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unsigned reserved:4;
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unsigned rank:1;
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unsigned priority:3;
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#endif
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uint32_t accumulated_latency;
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} __attribute__ ((__packed__));
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/* failure codes */
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#define AVBTP_MRP_FAIL_BANDWIDTH 1
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#define AVBTP_MRP_FAIL_BRIDGE 2
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#define AVBTP_MRP_FAIL_TC_BANDWIDTH 3
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#define AVBTP_MRP_FAIL_ID_BUSY 4
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#define AVBTP_MRP_FAIL_DSTADDR_BUSY 5
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#define AVBTP_MRP_FAIL_PREEMPTED 6
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#define AVBTP_MRP_FAIL_LATENCY_CHNG 7
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#define AVBTP_MRP_FAIL_PORT_NOT_AVB 8
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#define AVBTP_MRP_FAIL_DSTADDR_FULL 9
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#define AVBTP_MRP_FAIL_AVBTP_MRP_RESOURCE 10
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#define AVBTP_MRP_FAIL_MMRP_RESOURCE 11
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#define AVBTP_MRP_FAIL_DSTADDR_FAIL 12
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#define AVBTP_MRP_FAIL_PRIO_NOT_SR 13
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#define AVBTP_MRP_FAIL_FRAME_SIZE 14
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#define AVBTP_MRP_FAIL_FANIN_EXCEED 15
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#define AVBTP_MRP_FAIL_STREAM_CHANGE 16
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#define AVBTP_MRP_FAIL_VLAN_BLOCKED 17
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#define AVBTP_MRP_FAIL_VLAN_DISABLED 18
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#define AVBTP_MRP_FAIL_SR_PRIO_ERR 19
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struct avbtp_packet_msrp_talker_fail {
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struct avbtp_packet_msrp_talker talker;
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uint64_t bridge_id;
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uint8_t failure_code;
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} __attribute__ ((__packed__));
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struct avbtp_packet_msrp_listener {
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uint64_t stream_id;
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} __attribute__ ((__packed__));
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/* domain discovery */
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struct avbtp_packet_msrp_domain {
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uint8_t sr_class_id;
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uint8_t sr_class_priority;
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uint16_t sr_class_vid;
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} __attribute__ ((__packed__));
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#define AVBTP_MSRP_LISTENER_PARAM_IGNORE 0
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#define AVBTP_MSRP_LISTENER_PARAM_ASKING_FAILED 1
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#define AVBTP_MSRP_LISTENER_PARAM_READY 2
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#define AVBTP_MSRP_LISTENER_PARAM_READY_FAILED 3
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struct avbtp_msrp_attribute {
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struct avbtp_mrp_attribute *mrp;
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uint8_t type;
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uint8_t param;
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union {
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struct avbtp_packet_msrp_talker talker;
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struct avbtp_packet_msrp_talker_fail talker_fail;
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struct avbtp_packet_msrp_listener listener;
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struct avbtp_packet_msrp_domain domain;
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} attr;
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};
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struct avbtp_msrp;
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struct avbtp_msrp_attribute *avbtp_msrp_attribute_new(struct avbtp_msrp *msrp,
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uint8_t type);
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struct avbtp_msrp *avbtp_msrp_register(struct server *server);
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#endif /* AVBTP_MSRP_H */
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