fdo-mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2026-01-03 01:00:08 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

module-avb: milan: aecp-aem: introducing available command handler

Browse source
This commit is contained in:
hackerman-kl 2025-11-30 12:58:38 +01:00 • committed by Wim Taymans
parent 6619aba582
commit 52f2137397
4 changed files with 83 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/modules/meson.build
View file

@ -737,6 +737,7 @@ if build_module_avb
'module-avb/aecp.c',
'module-avb/aecp-aem.c',
'module-avb/aecp-aem-cmds-resps/cmd-lock-entity.c',
'module-avb/aecp-aem-cmds-resps/cmd-available.c',
'module-avb/es-builder.c',
'module-avb/avdecc.c',
'module-avb/maap.c',

64
src/modules/module-avb/aecp-aem-cmds-resps/cmd-available.c Normal file
View file

@ -0,0 +1,64 @@
/* AVB support */
/* SPDX-FileCopyrightText: Copyright © 2025 Kebag-Logic */
/* SPDX-FileCopyrightText: Copyright © 2025 Alex Malki <alexandre.malki@kebag-logic.com> */
/* SPDX-License-Identifier: MIT */
#include "../aecp-aem-state.h"
#include "../descriptors.h"
#include "cmd-resp-helpers.h"
#include "cmd-resp-types.h"
#include "cmd-available.h"
/* ENTITY AVAILABLE according to the locking state */
#define AECP_AEM_AVAIL_ENTITY_ACQUIRED (1<<0)
#define AECP_AEM_AVAIL_ENTITY_LOCKED (1<<1)
#define AECP_AEM_AVAIL_SUBENTITY_ACQUIRED (1<<2)
#define AECP_AEM_AVAIL_SUBENTITY_LOCKED (1<<3)
int handle_cmd_entity_available_milan_v12(struct aecp *aecp, int64_t now, const void *m,
int len)
{
uint8_t buf[512];
/* Commnand received specific */
struct server *server = aecp->server;
const struct avb_ethernet_header *h = m;
struct avb_ethernet_header *h_reply;
const struct avb_packet_aecp_aem *p = SPA_PTROFF(h, sizeof(*h), void);
/* Reply specific */
struct avb_packet_aecp_aem *p_reply;
struct avb_packet_aecp_aem_available *avail_reply;
/* Entity specific */
struct descriptor *desc;
struct aecp_aem_entity_milan_state *entity_state;
struct aecp_aem_lock_state *lock;
desc = server_find_descriptor(server, AVB_AEM_DESC_ENTITY, 0);
if (desc == NULL) {
return reply_status(aecp,
AVB_AECP_AEM_STATUS_NO_SUCH_DESCRIPTOR, p, len);
}
entity_state = desc->ptr;
lock = &entity_state->lock_state;
/* Forge the response for the entity that is locking the device */
memcpy(buf, m, len);
h_reply = (struct avb_ethernet_header *) buf;
p_reply = SPA_PTROFF(h_reply, sizeof(*h_reply), void);
avail_reply = (struct avb_packet_aecp_aem_available*)p_reply->payload;
avail_reply->acquired_controller_guid = 0;
if ((lock->base_info.expire_timeout < now) || !lock->is_locked) {
avail_reply->flags = 0;
} else if (lock->is_locked) {
avail_reply->lock_controller_guid = htobe64(lock->locked_id);
avail_reply->flags = htonl(AECP_AEM_AVAIL_ENTITY_LOCKED);
}
return reply_success(aecp, buf, len);
}

16
src/modules/module-avb/aecp-aem-cmds-resps/cmd-available.h Normal file
View file

@ -0,0 +1,16 @@
/* AVB support */
/* SPDX-FileCopyrightText: Copyright © 2025 Kebag-Logic */
/* SPDX-FileCopyrightText: Copyright © 2025 Alex Malki <alexandre.malki@kebag-logic.com> */
/* SPDX-License-Identifier: MIT */
#ifndef __AVB_AECP_AEM_AVAILABLE_H__
#define __AVB_AECP_AEM_AVAILABLE_H__
#include <stdint.h>
/**
* \brief Milan V1.2 implementation to handle available command.
*/
int handle_cmd_entity_available_milan_v12(struct aecp *aecp, int64_t now, const void *m,
int len);
#endif //__AVB_AECP_AEM_AVAILABLE_H__

3
src/modules/module-avb/aecp-aem.c
View file

@ -9,6 +9,7 @@
#include "utils.h"
/* The headers including the command and response of the system */
#include "aecp-aem-cmds-resps/cmd-available.h"
#include "aecp-aem-cmds-resps/cmd-lock-entity.h"
@ -286,7 +287,7 @@ static const struct cmd_info cmd_info_milan_v12[] = {
handle_cmd_lock_entity_milan_v12),
AECP_AEM_HANDLE_CMD(AVB_AECP_AEM_CMD_ENTITY_AVAILABLE, true,
NULL),
handle_cmd_entity_available_milan_v12),
AECP_AEM_HANDLE_CMD(AVB_AECP_AEM_CMD_READ_DESCRIPTOR, true,
handle_read_descriptor_common),