milan-avb: aecp-aem: NOT_IMPLEMENTED replies use CDL=12

This commit is contained in:
hackerman-kl 2026-04-25 06:31:33 +02:00 committed by Wim Taymans
parent 5355671022
commit 2118aefcdd

View file

@ -14,6 +14,7 @@
#include <pipewire/log.h>
#include "../aecp.h"
#include "../aecp-aem.h"
static inline int reply_status(struct aecp *aecp, int status, const void *m, int len)
{
@ -50,10 +51,25 @@ static inline int direct_reply_entiy_locked(struct aecp *aecp, int64_t now,
return reply_entity_locked(aecp, m, len);
}
/* IEEE 1722.1-2013 Section 9.2.1.1.7: NOT_IMPLEMENTED reply carries no AEM payload, CDL=12. */
static inline int reply_not_implemented(struct aecp *aecp, const void *m, int len)
{
struct server *server = aecp->server;
uint8_t buf[sizeof(struct avb_ethernet_header) + sizeof(struct avb_packet_aecp_aem)];
struct avb_ethernet_header *h = (void *)buf;
struct avb_packet_aecp_aem *reply = SPA_PTROFF(h, sizeof(*h), void);
pw_log_warn("reply not implementing");
return reply_status(aecp, AVB_AECP_AEM_STATUS_NOT_IMPLEMENTED, m, len);
if ((size_t)len < sizeof(buf))
return reply_status(aecp, AVB_AECP_AEM_STATUS_NOT_IMPLEMENTED, m, len);
memcpy(buf, m, sizeof(buf));
AVB_PACKET_AECP_SET_MESSAGE_TYPE(&reply->aecp, AVB_AECP_MESSAGE_TYPE_AEM_RESPONSE);
AVB_PACKET_AECP_SET_STATUS(&reply->aecp, AVB_AECP_AEM_STATUS_NOT_IMPLEMENTED);
AVB_PACKET_SET_LENGTH(&reply->aecp.hdr, AVB_PACKET_CONTROL_DATA_OFFSET);
return avb_server_send_packet(server, h->src, AVB_TSN_ETH, buf, sizeof(buf));
}
/** \brief The function is be directly hooked with the cmd_info structure */