在接收描述符(读取格式)中,如果缓冲区地址字段全部为0,则DWC_ether_qos不会将数据传输到该缓冲区,并跳到下一个缓冲区或下一个描述符。 RDES0 RDES1 RDES2 RDES3 回写格式 RDES0 RDES1 仅对最后一个描述符有效(设置了RDES3[28]) RDES2 RDES3 接收***上下文描述符 见手册21.6.3 只有DMA能写,提供...
基于DWC_ether_qos的以太网驱动开发-收发驱动编写与调试 2023-09-05 2612 基于DWC_ether_qos的以太网驱动开发-无OS环境移植LWIP 2023-09-06 1871 基于DWC_ether_qos的以太网驱动开发-LWIP的堆管理介绍 2023-09-08 1596 以太网描述符ETH_DMATxDesc_OWN异常 2022-07-07 0 基于DWC_ether_qos的以太网驱动...
DWC_ether_qos中SMA(Station Management Agent)是一种双线站管理接口(MIM:Station Management interface),即MDIO管理接口,通过SMA模块即MDIO接口可以访问PHY的寄存器。 其具备以下特征: l时钟 IEEE 802.3中规定,MDC的最大操作频率(gmi_MDC_o)是2.5MHz。在DWC_ether_qos中,gmii_mdc_o时钟是从csr_i分频得到的,通过...
DWC_ether_qos中SMA(Station Management Agent)是一种双线站管理接口(MIM:Station Management interface),即MDIO管理接口,通过SMA模块即MDIO接口可以访问PHY的寄存器。 其具备以下特征: l时钟 IEEE 802.3中规定,MDC的最大操作频率(gmi_MDC_o)是2.5MHz。在DWC_ether_qos中,gmii_mdc_o时钟是从csr_i分频得到的,通过...
DWC_ether_qos_databook.zip_dwc_dwc databook_ether MAC databook_q synopsys ether MAC IP databook 上传者:weixin_42652674时间:2022-09-23 dwc-ether-mac10-100-universal.docx The DesignWare Ethernet MAC 10/100 Universal intellectual property (IP) core implements the link layer of an Open System...
Professional Ethereum restaking calculator and analytics platform. Optimize your ETH staking rewards, analyze potential earnings, and make informed decisions with our comprehensive staking tools. Real-time calculations and advanced metrics for DeFi inves
Chapter: Quality of Service for Etherchannel Interfaces Chapter Contents Quality of Service (QoS) is supported on Ethernet Channel (Etherchannel) interfaces on Cisco ASR 1000 Series Routers. The QoS functionality has evolved over several Cisco IOS XE releases and has different capabilit...
Chapter: Quality of Service for Etherchannel Interfaces Chapter Contents Quality of Service (QoS) is supported on Ethernet Channel (Etherchannel) interfaces on Cisco ASR 1000 Series Routers. The QoS functionality has evolved over several Cisco IOS XE releases and has different capabili...
Method, device and storage medium for quality of service (QoS) flow management of time sensitive data for transmission of ethernet packet filter setsA method for data transmission, performed by a first device, such as a User Equipment (UE) or a User Plane Function (UPF) network element, is...
前面我们在”基于DWC_ether_qos的以太网驱动开发”系列文章中分享了驱动开发调试过程。其中最重要的就是要先调通收发数据流。而MAC和PHY之间数据流是重要的一环,其通过GMII(RGMII)接口通讯,该部分是数字接口,我们可以通过逻辑分析仪来监控RGMII接口的信号,可以知道MAC和PHY之间数据流是否正确。比如假设发送数据对方收不...