公开(公告)号：US20180026917A1

公开(公告)日：2018-01-25

申请号：US15218681

申请日：2016-07-25

申请人： Adee O. Ran ,  David L. Chalupsky ,  Kevan A. Lillie ,  Richard I. Mellitz ,  Kent C. Lusted

发明人： Adee O. Ran ,  David L. Chalupsky ,  Kevan A. Lillie ,  Richard I. Mellitz ,  Kent C. Lusted

IPC分类号： H04L12/935

CPC分类号： H04L49/3054

摘要： Methods and apparatus for Ethernet auto-negotiation (AN) with parallel detect for 10G DAC or other non-auto-negotiated modes. AN base pages are transmitted from an Ethernet apparatus to advertise the ability to support at least one Institute of Electrical and Electronics Engineers (IEEE) 802.3 Ethernet specification supporting AN. A receiver and associated processing circuitry is configured to perform two detection modes in parallel, including a first detection mode that looks for a valid signal transmitted from an Ethernet link peer that does not support AN and a second detection mode looking for AN pages from an IEEE 802.3 Ethernet link peer that supports AN. If the link peer does not support AN, an Ethernet link is set up to use signaling in accordance with the Ethernet specification that does not support AN. If the link peer supports AN, an Ethernet link is set up using a corresponding IEEE 802.3 Ethernet link supporting AN. Supported non-AN Ethernet links include 10G DAC links.

公开(公告)号：US20160099795A1

公开(公告)日：2016-04-07

申请号：US14580731

申请日：2014-12-23

申请人： Kent C. Lusted ,  Adee O. Ran ,  Richard I. Mellitz

发明人： Kent C. Lusted ,  Adee O. Ran ,  Richard I. Mellitz

IPC分类号： H04L1/00 ,  G06F11/10

CPC分类号： H04L1/0041 ,  G06F11/10 ,  H04L1/0009 ,  H04L1/0023

摘要： Technologies for capabilities exchange include a network port logic having a communication link coupled to a remote link partner. The port logic transmits local host loss information to the link partner and receives remote host loss information from the link partner. The port logic may communicate the host loss information via an autonegotiation base page, an autonegotiation next page, or a PMD control frame. The port logic determines total channel loss based on the local host loss, the remote host loss, and cable loss. The port logic may bring the communication link up without forward error correction (FEC) if the total channel loss is less than a FEC limit, may bring the link up with FEC if the total loss is less than a specification limit, or may not bring the link up if the total channel loss is above the specification limit. Other embodiments are described and claimed.

摘要翻译： 用于能力交换的技术包括具有耦合到远程链路伙伴的通信链路的网络端口逻辑。 端口逻辑将本地主机丢失信息传输到链路伙伴，并从链路伙伴接收远程主机丢失信息。 端口逻辑可以经由自动协商基页，自动协商下一页或PMD控制帧来传送主机丢失信息。 端口逻辑基于本地主机丢失，远程主机丢失和电缆丢失来确定总信道丢失。 如果总信道损失小于FEC限制，则端口逻辑可以使通信链路上升而不进行前向纠错（FEC），如果总损耗小于规范限制，则可以使链路成为FEC，否则可能不带 如果总频道损失高于规格限制，则链接。 描述和要求保护其他实施例。

公开(公告)号：US20140086264A1

公开(公告)日：2014-03-27

申请号：US13870201

申请日：2013-04-25

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L29/06

CPC分类号： H04L69/14 ,  H04L7/10 ,  H04L12/407

摘要： Methods, apparatus and systems for implementing Physical Media Attachment (PMA) alignment and rapid transition from a link training mode to a data mode for next-generation high-speed Ethernet links including a 100 Gbps Ethernet link. Training frames are transmitted between first and second Ethernet interfaces on opposing ends of the link in a pair-wise manner, with a first training frame being sent from a first Ethernet interface and a second training frame being returned from the second Ethernet interface. The training frames have a length that is different that the length of Physical Media Attachment (PMA) frames, and the returned training frames include receiver readiness status indicia identifying a readiness status of a local receiver port, frame alignment offset data identifying a relative offset between a training frame and a predetermined location in a PMA frame, and countdown data. The readiness status indicia, frame alignment offset data and countdown data are employed to facilitate a rapid transition from the link training mode to the data mode.

摘要翻译： 实现物理媒体附件（PMA）对齐的方法，装置和系统以及从链路训练模式到包括100Gbps以太网链路的下一代高速以太网链路的数据模式的快速转换。 训练帧以成对的方式在链路的相对端上的第一和第二以太网接口之间传输，第一训练帧从第一以太网接口发送，第二训练帧从第二以太接口返回。 训练帧具有与物理媒体附件（PMA）帧的长度不同的长度，并且返回的训练帧包括识别本地接收器端口的准备状态的接收器准备状态标志，标识相对偏移的帧对准偏移数据 训练帧和PMA帧中的预定位置，以及倒计时数据。 采用准备状态标志，帧对准偏移数据和倒计时数据来促进从链接训练模式到数据模式的快速转变。

公开(公告)号：US20140254640A1

公开(公告)日：2014-09-11

申请号：US13793063

申请日：2013-03-11

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L29/06

CPC分类号： H04B3/40 ,  H04L5/1438 ,  H04L25/0204 ,  H04L25/0226

摘要： Methods, apparatus and systems for de-correlating training pattern sequences for high-speed links and interconnects. The high-speed links and interconnects employs multiple lanes in each direction for transmitting and receiving data, and may be physically implemented via signal paths in an inter-plane board such as a backplane or mid-plane, or via a cable. During link training, a training pattern comprising a pseudo random bit sequence (PBRS) is sent over each lane. The PBRS for each lane is generated by a PBRS generator based on a PRBS polynomial that is unique to that lane. Since each lane employs a different PRBS polynomial, the training patterns between lanes are substantially de-correlated. Link negotiation may be performed between link endpoints to ensure that the PBRS polynomials used for all of the lanes in the high-speed link or interconnect are unique. Exemplary uses include Ethernet links, Infiniband links, and multi-lane serial interconnects.

摘要翻译： 用于高速链路和互连的训练模式序列去相关的方法，装置和系统。 高速链路和互连在每个方向上采用多个通道用于发送和接收数据，并且可以通过诸如背板或中间平面之间的平面板中的信号路径或经由电缆物理地实现。 在链路训练期间，通过每个通道发送包括伪随机比特序列（PBRS）的训练模式。 每个通道的PBRS由PBRS发生器基于该通道唯一的PRBS多项式生成。 由于每个车道采用不同的PRBS多项式，车道之间的训练模式基本上是不相关的。 可以在链路端点之间执行链路协商，以确保用于高速链路或互连中所有通道的PBRS多项式是唯一的。 示例性用途包括以太网链路，Infiniband链路和多通道串行互连。

公开(公告)号：US20160164736A1

公开(公告)日：2016-06-09

申请号：US14559627

申请日：2014-12-03

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L12/24

CPC分类号： H04L41/0886 ,  H04L49/3054 ,  H04L69/24

摘要： Technologies for autonegotiation of communications operational modes over copper cable include a network port logic having a communication link coupled to a remote link partner. The network port logic may start an autonegotiation protocol upon reset, when the link is broken, or upon manual renegotiation. The network port logic transmits an autonegotiation page to the remote link partner that indicates single-lane communications ability over copper cable. The network port logic receives an autonegotiation page from the link partner indicating single-lane communications ability over copper cable. If the network port logic and link partner have a common single-lane communication ability, the link may be activated. The autonegotiation pages may be base pages or next pages. The single-lane communication ability may be indicated by one or more bits of the autonegotation pages. The link may be established at 1 gigabit or 10 gigabits per second. Other embodiments are described and claimed.

摘要翻译： 通过铜缆自动协商通信操作模式的技术包括具有耦合到远程链路伙伴的通信链路的网络端口逻辑。 网络端口逻辑可以在重置时，当链路断开时或手动重新协商时启动自动协商协议。 网络端口逻辑将自动协商页面发送到远程链路伙伴，指示通过铜缆的单通道通信能力。 网络端口逻辑从链路伙伴接收指示通过铜缆的单通道通信能力的自动协商页面。 如果网络端口逻辑和链路伙伴具有通用的单通道通信能力，则链路可能被激活。 自动协商页面可以是基页或下一页。 单通道通信能力可以由自动协商页面的一个或多个位指示。 链路可以建立在1吉比特或10吉比特每秒。 描述和要求保护其他实施例。

公开(公告)号：US09252968B2

公开(公告)日：2016-02-02

申请号：US13531145

申请日：2012-06-22

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L12/28 ,  H04L12/413 ,  H04L1/00

CPC分类号： H04L12/413 ,  H04L1/0041 ,  H04L1/0061 ,  H04L1/0072

摘要： Methods, apparatus and systems for implementing link training for next-generation high-speed Ethernet links including a 100 Gbps Ethernet link. Training frames are transmitted from a transmit port to be received at a receive port, with each training frame comprising a frame marker portion, a control channel portion, and a training pattern portion. Four-level signaling including a low level signal, first and second intermediate level signals, and a high level signal is implemented for the training pattern portion of the training frame using a pseudo-random bit pattern, while only the low and high level signals are employed for the frame marker and control channel portions of the training frame. The four-level signaling may employ PAM4 encoding. Examples of apparatus and systems in which the link training techniques may be implemented include blade servers and network routers and switches.

摘要翻译： 用于实现下一代高速以太网链路链路训练的方法，装置和系统，包括100Gbps以太网链路。 培训帧从发送端口发送以在接收端口接收，每个训练帧包括帧标记部分，控制信道部分和训练模式部分。 使用伪随机位模式对训练帧的训练模式部分实施包括低电平信号，第一和第二中间电平信号和高电平信号的四电平信号，而只有低电平和高电平信号是 用于训练帧的帧标记和控制信道部分。 四级信令可以采用PAM4编码。 可以实现链路训练技术的装置和系统的示例包括刀片服务器和网络路由器和交换机。

公开(公告)号：US20130343400A1

公开(公告)日：2013-12-26

申请号：US13531145

申请日：2012-06-22

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L27/00 ,  H04L12/56

CPC分类号： H04L12/413 ,  H04L1/0041 ,  H04L1/0061 ,  H04L1/0072

摘要： Methods, apparatus and systems for implementing link training for next-generation high-speed Ethernet links including a 100 Gbps Ethernet link. Training frames are transmitted from a transmit port to be received at a receive port, with each training frame comprising a frame marker portion, a control channel portion, and a training pattern portion. Four-level signaling including a low level signal, first and second intermediate level signals, and a high level signal is implemented for the training pattern portion of the training frame using a pseudo-random bit pattern, while only the low and high level signals are employed for the frame marker and control channel portions of the training frame. The four-level signaling may employ PAM4 encoding. Examples of apparatus and systems in which the link training techniques may be implemented include blade servers and network routers and switches.

摘要翻译： 用于实现下一代高速以太网链路链路训练的方法，装置和系统，包括100Gbps以太网链路。 培训帧从发送端口发送以在接收端口接收，每个训练帧包括帧标记部分，控制信道部分和训练模式部分。 使用伪随机位模式对训练帧的训练模式部分实施包括低电平信号，第一和第二中间电平信号和高电平信号的四电平信号，而只有低电平和高电平信号是 用于训练帧的帧标记和控制信道部分。 四级信令可以采用PAM4编码。 可以实现链路训练技术的装置和系统的示例包括刀片服务器和网络路由器和交换机。

公开(公告)号：US20160087753A1

公开(公告)日：2016-03-24

申请号：US14580737

申请日：2014-12-23

申请人： Adee O. Ran ,  Kent C. Lusted

发明人： Adee O. Ran ,  Kent C. Lusted

IPC分类号： H04L1/00 ,  H04L12/28 ,  G06F11/10 ,  H04L12/825

CPC分类号： H04L45/66 ,  H03M13/25 ,  H03M13/251 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0083

摘要： Technologies for high-speed data transmission include a network port logic having one or more communication lanes coupled to a forward error correction (FEC) sublayer and a physical coding sublayer (PCS). To transmit data, the PCS encodes the data to be transmitted into encoded data blocks using a 66b/64b line code and inserts alignment marker blocks after every 16,383 encoded data blocks. The FEC encodes the encoded data blocks into 80-block FEC codewords starting at a predefined offset from an alignment marker. Thus, each alignment marker is at one of five predefined offsets from the beginning of an FEC codeword. Each alignment marker may include a unique block type field usable with FEC encoding. The PCS may include one or more logical lanes, each operating at 25 Gb/s. Embodiments of the network port logic may include a single PCS lane or sixteen PCS lanes. Other embodiments are described and claimed.

摘要翻译： 用于高速数据传输的技术包括具有耦合到前向纠错（FEC）子层和物理编码子层（PCS））的一个或多个通信通道的网络端口逻辑。 为了发送数据，PCS使用66b / 64b行代码将要发送的数据编码为编码数据块，并在每16383个编码数据块之后插入对准标记块。 FEC将经编码的数据块编码为从对准标记的预定偏移开始的80块FEC码字。 因此，每个对准标记是从FEC码字开头的五个预定偏移量之一。 每个对准标记可以包括可用于FEC编码的唯一块类型字段。 PCS可以包括一个或多个逻辑通道，每个逻辑通道以25Gb / s工作。 网络端口逻辑的实施例可以包括单个PCS通道或十六个PCS车道。 描述和要求保护其他实施例。

公开(公告)号：US08861578B1

公开(公告)日：2014-10-14

申请号：US13926035

申请日：2013-06-25

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04B3/46 ,  H04L25/49 ,  H04B17/00

CPC分类号： H04L25/4917 ,  H04B17/0085 ,  H04B17/104

摘要： Methods, apparatus and systems for measuring signal transition times for a four-level pulse modulated amplitude (PAM4) transmitter. During a test procedure, a PAM4 transmitter is configured to repetitively transmitting a four-level test pattern, which is captured and digitized. The digitized data is processed to generate a linear-fitted waveform. A voltage modulation amplitude (VMA) level for each of a −1 and +1 PAM4 signal level is measured and used to derive 20% and 80% VMA levels in an eye diagram. The rise transition time is then determined by measuring the time interval between when a rising signal crosses the 20% and 80% VMA levels, and the fall transition time is determined by measuring the time interval between when a falling signal crosses the 80% and 20% VMA levels.

摘要翻译： 用于测量四电平脉冲调制幅度（PAM4）发射机的信号转换时间的方法，装置和系统。 在测试过程中，PAM4发射机被配置为重复地发送被采集和数字化的四级测试模式。 处理数字化数据以生成线性拟合波形。 测量-1和+1 PAM4信号电平中的每一个的电压调制幅度（VMA）电平，并用于在眼图中导出20％和80％的VMA电平。 然后通过测量上升信号跨越20％和80％VMA电平之间的时间间隔来确定上升过渡时间，并且通过测量下降信号跨越80％和20之间的时间间隔来确定下降转变时间 ％VMA级别。

公开(公告)号：US20140161141A1

公开(公告)日：2014-06-12

申请号：US13758259

申请日：2013-02-04

申请人： Kent C. Lusted ,  Adee O. Ran

发明人： Kent C. Lusted ,  Adee O. Ran

IPC分类号： H04L12/24

CPC分类号： H04L12/12 ,  H04L12/40039 ,  H04L12/40136 ,  Y02D50/10 ,  Y02D50/40 ,  Y02D50/42

摘要： Methods, apparatus and systems for implementing for implementing Energy-Efficient Ethernet (EEE) refresh and wake signaling for high-speed Ethernet links. During an EEE refresh or wake signaling period, ALERT frames are transmitted between first and second Ethernet interfaces on opposing ends of the link, with a first ALERT frame being sent from a first Ethernet interface and a second ALERT frame being returned from the second Ethernet interface. The ALERT frames have a length that is different that the length of Physical Media Attachment (PMA) frames, and the returned ALERT frames include frame alignment offset data identifying a relative offset between an ALERT frame and a predetermined location in a PMA frame, and countdown data. The frame alignment offset data and countdown data are employed to facilitate a rapid transition from the link training mode to the data mode.

摘要翻译： 用于实现高速以太网链路的高效以太网（EEE）刷新和唤醒信号的实现方法，装置和系统。 在EEE刷新或唤醒信令期间，ALERT帧在链路的相对端的第一和第二以太网接口之间传输，第一ALERT帧从第一以太网接口发送，第二ALERT帧从第二以太网接口返回 。 ALERT帧的长度与物理媒体附件（PMA）帧的长度不同，并且返回的ALERT帧包括标识ALERT帧和PMA帧中的预定位置之间的相对偏移的帧对准偏移数据，以及倒计时 数据。 采用帧对准偏移数据和倒计数数据来促进从链接训练模式到数据模式的快速转变。