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module-avb: add specs comments for PTP management message format

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Nils Tonnaett 2026-01-14 22:25:14 -08:00 • committed by hackerman-kl
parent fc6f2e33e2
commit 16189ae167
1 changed files with 4 additions and 0 deletions
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4
src/modules/module-avb/gptp.h
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@ -20,8 +20,11 @@ extern "C" {
#define PTP_TLV_TYPE_MGMT 0x0001 #define PTP_TLV_TYPE_MGMT 0x0001
#define PTP_MGMT_ID_PARENT_DATA_SET 0x2002 #define PTP_MGMT_ID_PARENT_DATA_SET 0x2002
/**************************************************************************************/
/* IEEE 1588-2019, Sec. 15.4.1 PTP management message format - Common Fields */
struct ptp_management_msg { struct ptp_management_msg {
/* IEEE 1588-2019, Sec. 13.3 Header */
// 4 for major_sdo, 4 for msg_type // 4 for major_sdo, 4 for msg_type
uint8_t major_sdo_id_message_type; uint8_t major_sdo_id_message_type;
// 4 for minor, 4 for major // 4 for minor, 4 for major
@ -37,6 +40,7 @@ struct ptp_management_msg {
uint16_t sequence_id_be; uint16_t sequence_id_be;
uint8_t control_field; uint8_t control_field;
uint8_t log_message_interval; uint8_t log_message_interval;
uint8_t target_port_identity[8]; uint8_t target_port_identity[8];
uint16_t target_port_id_be; uint16_t target_port_id_be;
uint8_t starting_boundary_hops; uint8_t starting_boundary_hops;