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chrony端口和协议(chronyd端口)



50GBASE-KR (C137)

PCS��C133��

64B/66B

64B/66B����Sync��Ϊ���ݿ飨Sync=01���Ϳ��ƿ�(Sync=10)��

64B/66B���ʽ

��Data Block Format��

��Data Block Format��Ϊδ�����64B���ݡ���Sync + Block Payload��Ϊ������66B���ݡ�Block Payload���������ַ�D(8bit)�������ַ�C��7bit���������ַ�O(4bit)��ɡ�

���򼯡�Control Block Format��

��������

O0D1D2D3Z4Z5Z6Z7;�������򼯣�64B���������ݿ���״̬��Ϣ�������ش���״̬��Զ�˴���״̬��(����PHY�Ӳ��⵽�����²�MDI������룬�����ϲ�RS���͡�Local Fault���������� ; ����RS���յ���Local Fault���������򼯺󣬽�ֹͣ��PHY����Ч���ݣ����������²�MDI�෢�͡�Remote Fault���������� ��Զ��RS���յ���Remote Fault���������򼯺󣬽�ֹͣ��PHY�㷢����Ч���ݣ����������²�MDI�෢��IDLE�����ַ�)��

O0=Q=0x9c��

D1D2D3 = 0x000000: Reserved; D1D2D3 = 0x000001: Local Fault; D1D2D3 = 0x000002: Remote Fault; D1D2D3 = 0x000003: Link Interruption;

Z4Z5Z6Z7=0x00000000

�����

802.3��ʹ�ô������򼯡�INCITS T11 FCʹ���������򼯡�

ǰ�����SFD��Control Block Format��

S0D1D2D3D4D5D6D7(ִ��64B/66B����)�̶�Ϊ0xFB5D5��ʾ������������֡��

IPG��Control Block Format��

������ƽ��IPGΪ12Byte�ı��ij��ȹ̶�������ͻ�����ľ���(��/S/��������������TXD<7:0>��lane 0���͡�����֡���ȵ������ԡ�������������ɵĽ�������޷���������ͻ������ÿһ��IPG����12Byte��ֻ����������ͻ������ƽ��IPGΪ12Byte)������β֡��Data Block Format��64B���ļ��ֿ��ܡ�

(1)

MAC��RS Lane����ǰ����

T0C1C2C3C4C5C6C7, C0C1C2C3S4D5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��T0C1C2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7��

֡ B1 ��T0C1C2C3 C4C5C6C7, S0D1D2D3 D4D5D6D7 ������

(2)

MAC��RS Lane����ǰ����

D0T1C2C3C4C5C6C7, C0C1C2C3C4S5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0T1C2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A2��D0T1C2C3 C4C5C6C7��C0C1C2 C3C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A3��D0T1C2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A4��D0T1C2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A5��D0T1C2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡ B1 ��D0T1C2C3 C4C5C6C7, S0D1D2D3 D4D5D6D7��

֡ B2 ��D0T1C2C3 C4C5C6C7, S0D1D2D3 D4D5D6D7��

֡ B3 ��D0T1C2C3 C4C5C6C7, S0D1D2D3 D4D5D6D7 ;����

(3)

MAC��RS Lane����ǰ����

D0D1T2C3C4C5C6C7, C0C1C2C3C4C5S6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1T2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A2��D0D1T2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A3��D0D1T2C3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡ B1 ��D0D1T2C3 C4C5C6C7, S0D1D2D3 D4D5D6D7 ;����

(4)

MAC��RS Lane����ǰ����

D0D1D2T3C4C5C6C7, C0C1C2C3C4C5C6S7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A2��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A3��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A4��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A5��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A6��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3D4D5D6D7,

֡A7��D0D1D2T3 C4C5C6C7��C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡ B1 ��D0D1D2T3 C4C5C6C7, S0D1D2D3 D4D5D6D7 ;����

(5)

MAC��RS Lane����ǰ����

D0D1D2D3T4C5C6C7, C0C1C2C3C4C5C6C7, S0D1D2D3D4D5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1D2D3 T4C5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ;����

(6)

MAC��RS Lane����ǰ����

D0D1D2D3D4T5C6C7, C0C1C2C3C4C5C6C7, C0S1D2D3D4D5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A2��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡ B1 ��D0D1D2D3 D4T5C6C7, S0D1D2D3 D4D5D6D7,

֡B2��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡B3��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡B4��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡B5��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡B6��D0D1D2D3 D4T5C6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ;����

(7)

MAC��RS Lane����ǰ����

D0D1D2D3D4D5T6C7, C0C1C2C3C4C5C6C7, C0C1S2D3D4D5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1D2D3 D4D5T6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡A2��D0D1D2D3 D4D5T6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7,

֡ B1 ��D0D1D2D3 D4D5T6C7, S0D1D2D3 D4D5D6D7,

֡B2��D0D1D2D3 D4D5T6C7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ;����

(8)

MAC��RS Lane����ǰ����

D0D1D2D3D4D5D6T7, C0C1C2C3C4C5C6C7, C0C1C2S3D4D5D6D7 ������

50GMII��RS Lane����󣩣�

֡A1��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡A2��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡A3��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡A4��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡ B1 ��D0D1D2D3 D4D5D6T7, S0D1D2D3 D4D5D6D7,

֡B2��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡B3��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ,

֡B4��D0D1D2D3 D4D5D6T7, C0C1C2C3 C4C5C6C7��O0D1D2D3 Z4Z5Z6Z7��, S0D1D2D3 D4D5D6D7 ;����

������

������

�Ա�����66B���ݿ���е�Block Payload���ֽ������롣��������ɶ���ʽΪG��X��= 1 + X39 + X58��

AM����

Ϊ��֧���²㣨FEC/PMA���Ը���PCS lane��ȥƫбDe-skew���������򣬶�����AM��Alignment marker������������ӵ�ÿ��PCS lane��������AM��sync=10��66B���ƿ����ʽ���ڡ�ͨ��ɾ��xGMII�������е�IPG��ʵ�ֲ���AM��ǴӶ�ȷ����Ϣ���ʵĺ㶨���䡣AM��������ִ�м�����������������Pattern����ʽ��ɣ����߱�������ֱ��ƽ�����ԣ���˲�ִ�м����ǿ��еģ�����ÿ��PCS lane��ÿ16383��66B֮�����һ��AM 66B��

AM��������ͼ

AM��ʽ

M4��M6�ֱ���M0��M2����λ��ת��BIP7��BIP3����λ��ת��

50GBASE-R�����DZ���

PCS���ͱ���˳��

50GBASE-RЧ����40GBASE-R��ͬ��

PCS���ձ���˳��

50GBASE-RЧ����40GBASE-R��ͬ��

�½ڿμ�������50GBASE-KR��RS(544,514) FEC��

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