AM273x MCU+ SDK  09.02.00

Introduction

Sub Modules

 CPSW CPTS
 
 ICSSG TimeSync
 

Data Structures

struct  EnetTimeSync_setTimestamp
 Timestamp set. More...
 
struct  EnetTimeSync_TimestampAdj
 Timestamp adjustment. More...
 
struct  EnetTimeSync_GetEthTimestampInArgs
 Input args for ENET_TIMESYNC_IOCTL_GET_ETH_RX_TIMESTAMP and ENET_TIMESYNC_IOCTL_GET_ETH_TX_TIMESTAMP commands. More...
 

Enumerations

enum  EnetTimeSync_Ioctl {
  ENET_TIMESYNC_IOCTL_GET_VERSION = ENET_TIMESYNC_PUBLIC_IOCTL(0U), ENET_TIMESYNC_IOCTL_PRINT_REGS = ENET_TIMESYNC_PUBLIC_IOCTL(1U), ENET_TIMESYNC_IOCTL_PRINT_STATS = ENET_TIMESYNC_PUBLIC_IOCTL(2U), ENET_TIMESYNC_IOCTL_GET_CURRENT_TIMESTAMP = ENET_TIMESYNC_PUBLIC_IOCTL(3U),
  ENET_TIMESYNC_IOCTL_SET_TIMESTAMP = ENET_TIMESYNC_PUBLIC_IOCTL(4U), ENET_TIMESYNC_IOCTL_ADJUST_TIMESTAMP = ENET_TIMESYNC_PUBLIC_IOCTL(5U), ENET_TIMESYNC_IOCTL_GET_ETH_RX_TIMESTAMP = ENET_TIMESYNC_PUBLIC_IOCTL(6U), ENET_TIMESYNC_IOCTL_GET_ETH_TX_TIMESTAMP = ENET_TIMESYNC_PUBLIC_IOCTL(7U),
  ENET_TIMESYNC_IOCTL_RESET = ENET_TIMESYNC_PUBLIC_IOCTL(8U), ENET_TIMESYNC_IOCTL_SET_TIMESTAMP_COMPLETE = ENET_TIMESYNC_PUBLIC_IOCTL(9U)
}
 TimeSync module IOCTL commands. More...
 
enum  EnetTimeSync_MsgType {
  ENET_TIMESYNC_MESSAGE_SYNC = 0x00U, ENET_TIMESYNC_MESSAGE_DELAY_REQ = 0x01U, ENET_TIMESYNC_MESSAGE_PDELAY_REQ = 0x02U, ENET_TIMESYNC_MESSAGE_PDELAY_RESP = 0x03U,
  ENET_TIMESYNC_MESSAGE_FOLLOW_UP = 0x08U, ENET_TIMESYNC_MESSAGE_DELAY_RESP = 0x09U, ENET_TIMESYNC_MESSAGE_PDELAY_RESP_FOLLOW_UP = 0x0AU, ENET_TIMESYNC_MESSAGE_ANNOUNCE = 0x0BU,
  ENET_TIMESYNC_MESSAGE_SIGNALING = 0x0CU, ENET_TIMESYNC_MESSAGE_MANAGEMENT = 0x0DU, ENET_TIMESYNC_MESSAGE_INVALID = -1
}
 TimeSync Ethernet message type. More...
 
enum  EnetTimeSync_AdjMode { ENET_TIMESYNC_ADJMODE_DISABLE = 0U, ENET_TIMESYNC_ADJMODE_PPM, ENET_TIMESYNC_ADJMODE_PPH }
 TimeSync adjustment mode. More...
 
enum  EnetTimeSync_AdjDir { ENET_TIMESYNC_ADJDIR_INCREASE = 0U, ENET_TIMESYNC_ADJDIR_DECREASE }
 TimeSync adjustment direction. More...
 

Macros

#define ENET_TIMESYNC_PUBLIC_IOCTL(x)
 Helper macro to create IOCTL commands for TIMESYNC module. More...
 

Macro Definition Documentation

◆ ENET_TIMESYNC_PUBLIC_IOCTL

#define ENET_TIMESYNC_PUBLIC_IOCTL (   x)
Value:
ENET_IOCTL_TIMESYNC_BASE | \
ENET_IOCTL_MIN(x))

Helper macro to create IOCTL commands for TIMESYNC module.

Enumeration Type Documentation

◆ EnetTimeSync_Ioctl

TimeSync module IOCTL commands.

Enumerator
ENET_TIMESYNC_IOCTL_GET_VERSION 

Get the hardware version of the TimeSync module.

IOCTL parameters:

ENET_TIMESYNC_IOCTL_PRINT_REGS 

Print TimeSync registers.

IOCTL parameters:

  • inArgs: None
  • outArgs: None
ENET_TIMESYNC_IOCTL_PRINT_STATS 

Print TimeSync event statistics. They could be either hardware or software based statistics.

IOCTL parameters:

  • inArgs: None
  • outArgs: None
ENET_TIMESYNC_IOCTL_GET_CURRENT_TIMESTAMP 

Get current timestamp.

IOCTL parameters:

  • inArgs: None
  • outArgs: uint64_t
ENET_TIMESYNC_IOCTL_SET_TIMESTAMP 

Set timestamp value.

IOCTL parameters:

ENET_TIMESYNC_IOCTL_ADJUST_TIMESTAMP 

Adjust the timestamp value.

IOCTL parameters:

ENET_TIMESYNC_IOCTL_GET_ETH_RX_TIMESTAMP 

Get Ethernet RX timestamp.

IOCTL parameters:

ENET_TIMESYNC_IOCTL_GET_ETH_TX_TIMESTAMP 

Get Ethernet TX timestamp. For CPSW the driver maintains a pool of the timestamps that are captured by CPTS and gives back the matched entry. But, In case of ICSSG, Driver doesn't maintain any software pool, it returns back the top entry in the queue if it matches the seq id passed.

IOCTL parameters:

ENET_TIMESYNC_IOCTL_RESET 

Reset TimeSync module.

IOCTL parameters:

  • inArgs: None
  • outArgs: None
ENET_TIMESYNC_IOCTL_SET_TIMESTAMP_COMPLETE 

ICSSG Set timestamp operation completed.

IOCTL parameters:

  • inArgs: None
  • outArgs: None

◆ EnetTimeSync_MsgType

TimeSync Ethernet message type.

Enumerator
ENET_TIMESYNC_MESSAGE_SYNC 

TimeSync sync message

ENET_TIMESYNC_MESSAGE_DELAY_REQ 

TimeSync delay request message

ENET_TIMESYNC_MESSAGE_PDELAY_REQ 

TimeSync Pdelay request message

ENET_TIMESYNC_MESSAGE_PDELAY_RESP 

TimeSync Pdelay response message

ENET_TIMESYNC_MESSAGE_FOLLOW_UP 

TimeSync follow up message

ENET_TIMESYNC_MESSAGE_DELAY_RESP 

TimeSync delay response message

ENET_TIMESYNC_MESSAGE_PDELAY_RESP_FOLLOW_UP 

TimeSync Pdelay response followup message

ENET_TIMESYNC_MESSAGE_ANNOUNCE 

TimeSync announce message

ENET_TIMESYNC_MESSAGE_SIGNALING 

TimeSync signaling message

ENET_TIMESYNC_MESSAGE_MANAGEMENT 

TimeSync management message

ENET_TIMESYNC_MESSAGE_INVALID 

TimeSync invalid message

◆ EnetTimeSync_AdjMode

TimeSync adjustment mode.

Enumerator
ENET_TIMESYNC_ADJMODE_DISABLE 

Adjustment value is set to zero

ENET_TIMESYNC_ADJMODE_PPM 

Adjustment value is calculated for parts per million

ENET_TIMESYNC_ADJMODE_PPH 

Adjustment value is calculated for parts per hour

◆ EnetTimeSync_AdjDir

TimeSync adjustment direction.

Enumerator
ENET_TIMESYNC_ADJDIR_INCREASE 

Increase timestamp with adjustment value

ENET_TIMESYNC_ADJDIR_DECREASE 

Decrease timestamp with adjustment value

ENET_IOCTL_TYPE_PUBLIC
@ ENET_IOCTL_TYPE_PUBLIC
Definition: enet_ioctl.h:209