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milan-avb: adp: refresh grandmaster_id from gptp on each advertise

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This commit is contained in:
hackerman-kl 2026-04-28 21:43:14 +02:00
parent 231b0950c5
commit e9a1e50996
1 changed files with 23 additions and 8 deletions
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31
src/modules/module-avb/adp.c
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@ -9,6 +9,7 @@
#include "adp.h"
#include "acmp.h"
#include "aecp-aem-descriptors.h"
#include "gptp.h"
#include "internal.h"
#include "utils.h"
@ -46,11 +47,32 @@ static void entity_free(struct entity *e)
free(e);
}
static void refresh_gptp_fields(struct server *server, struct avb_packet_adp *p)
{
const struct descriptor *d;
struct avb_aem_desc_avb_interface *avb_interface;
uint64_t gm_id_be;
d = server_find_descriptor(server, AVB_AEM_DESC_AVB_INTERFACE, 0);
avb_interface = d ? descriptor_body(d) : NULL;
if (avb_interface == NULL) {
return;
}
if (avb_gptp_get_grandmaster_id(server->gptp, &gm_id_be)) {
p->gptp_grandmaster_id = gm_id_be;
} else {
p->gptp_grandmaster_id = avb_interface->clock_identity;
}
p->gptp_domain_number = avb_interface->domain_number;
}
static int send_departing(struct adp *adp, uint64_t now, struct entity *e)
{
struct avb_ethernet_header *h = (void*)e->buf;
struct avb_packet_adp *p = SPA_PTROFF(h, sizeof(*h), void);
refresh_gptp_fields(adp->server, p);
AVB_PACKET_ADP_SET_MESSAGE_TYPE(p, AVB_ADP_MESSAGE_TYPE_ENTITY_DEPARTING);
p->available_index = htonl(adp->available_index++);
avb_server_send_packet(adp->server, mac, AVB_TSN_ETH, e->buf, e->len);
@ -63,6 +85,7 @@ static int send_advertise(struct adp *adp, uint64_t now, struct entity *e)
struct avb_ethernet_header *h = (void*)e->buf;
struct avb_packet_adp *p = SPA_PTROFF(h, sizeof(*h), void);
refresh_gptp_fields(adp->server, p);
AVB_PACKET_ADP_SET_MESSAGE_TYPE(p, AVB_ADP_MESSAGE_TYPE_ENTITY_AVAILABLE);
p->available_index = htonl(adp->available_index++);
avb_server_send_packet(adp->server, mac, AVB_TSN_ETH, e->buf, e->len);
@ -269,7 +292,6 @@ static int check_advertise(struct adp *adp, uint64_t now)
struct server *server = adp->server;
const struct descriptor *d;
struct avb_aem_desc_entity *entity;
struct avb_aem_desc_avb_interface *avb_interface;
struct entity *e;
uint64_t entity_id;
struct avb_ethernet_header *h;
@ -289,9 +311,6 @@ static int check_advertise(struct adp *adp, uint64_t now)
return 0;
}
d = server_find_descriptor(server, AVB_AEM_DESC_AVB_INTERFACE, 0);
avb_interface = d ? descriptor_body(d) : NULL;
pw_log_info("entity %s advertise",
avb_utils_format_id(buf, sizeof(buf), entity_id));
@ -321,10 +340,6 @@ static int check_advertise(struct adp *adp, uint64_t now)
p->listener_capabilities = entity->listener_capabilities;
p->controller_capabilities = entity->controller_capabilities;
p->available_index = entity->available_index;
if (avb_interface) {
p->gptp_grandmaster_id = avb_interface->clock_identity;
p->gptp_domain_number = avb_interface->domain_number;
}
p->identify_control_index = 0;
p->interface_index = 0;
p->association_id = entity->association_id;