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��
到此这篇chrony端口和协议(chronyd端口)的文章就 介绍到这了,更多相关 内容请继续浏览下面的相关 推荐文章,希望大家都能在 编程的领域有一番成就!版权声明:
本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。
如若内容造成侵权、违法违规、事实不符,请将相关资料发送至xkadmin@xkablog.com进行投诉反馈,一经查实,立即处理!
转载请注明出处,原文链接:https://www.xkablog.com/hd-yjs/16711.html