CN117312067A - Network card debugging system, method, equipment and storage medium - Google Patents

Abstract

The invention provides a network card debugging system, method, equipment and storage medium, which comprises a network card and a baseboard management controller, wherein a network card chip and a complex programmable logic device are configured in the network card, the complex programmable logic device is respectively connected with the baseboard management controller and the network card chip, the complex programmable logic device is used for responding to a configuration instruction issued by the baseboard management controller, determining a target debugging interface for interconnecting the complex programmable logic device and the network card chip, reading the state information of the network card chip through the target debugging interface, and the baseboard management controller is used for acquiring the state information of the network card chip through the complex programmable logic device to debug the network card. According to the invention, the complex programmable logic device is added in the network card, and the CPLD is used as a transfer station to connect the substrate management controller and the network card chip, so that the substrate management controller only needs to access the CPLD, and the CPLD is connected with the network card chip to realize out-of-band debugging of the network card, thereby improving the debugging efficiency of the network card.

Description

Network card debugging system, method, equipment and storage medium

Technical field

The present invention relates to the field of server technology, and in particular to a network card debugging system, method, equipment and storage medium.

Background technique

The network card (NIC, Network Interface Card) in the server is mainly used to manage and process network traffic. Usually, the CPU in the server uses an external network card. According to the form of the network card, the network card can be divided into PCIe (Peripheral Component Interconnect Express, high-speed serial port). Line Computer Extension Bus) network card and OCP (Open Compute Project, Open Compute Project) network card, the network card interacts with the server CPU through the PCIe bus. Since applications such as firmware upgrades will cause various problems with the network card, the network card needs to be debugged, among which , In-band debugging is debugging through the PCIe cable under the CPU's operating system to collect network card status information. If the PCIe device of the network card is lost or the PCIe device is abnormal, in-band debugging cannot be used.

Currently, for situations where in-band debugging cannot be used, the out-of-band debugging interface is used to connect the corresponding adapter to read the network card chip information. This kind of out-of-band debugging requires disassembling the server chassis and plugging in the adapter, which is very difficult to operate on the user's on-site cabinet. It is inconvenient and will destroy the fault site of the server, thereby affecting the efficiency of network card debugging.

Contents of the invention

In view of this, the present invention aims to propose a network card debugging system, method, equipment and storage medium to solve the problem that the existing out-of-band debugging operation is inconvenient and will destroy the fault site of the server, affecting the efficiency of network card debugging, and realize the debugging of the network card. Efficient debugging.

According to the first aspect of the present invention, a network card debugging system is provided. The system includes a network card and a baseboard management controller. The network card is equipped with a network card chip and a complex programmable logic device. The complex programmable logic device is configured respectively. Connect the baseboard management controller and the network card chip;

The complex programmable logic device is configured to determine a target debugging interface for interconnection between the complex programmable logic device and the network card chip in response to a configuration instruction issued by the baseboard management controller, and read through the target debugging interface. Status information of the network card chip;

The baseboard management controller is used to obtain the status information of the network card chip through the complex programmable logic device and debug the network card.

Optionally, the network card chip is provided with multiple types of out-of-band debugging interfaces, and the network card chip is interconnected with the complex programmable logic device through the out-of-band debugging interfaces.

Optionally, the complex programmable logic device includes a preset logic module, which is generated in advance according to the type of out-of-band debugging interface interconnected between the complex programmable logic device and the network card chip, for Connect to the target debugging interface and read the status information of the network card chip.

Optionally, the network card is also configured with a gold finger, and the complex programmable logic device uses a system management bus to be connected to the baseboard management controller through the gold finger.

Optionally, the baseboard management controller is configured to issue configuration instructions and debugging signals to the complex programmable logic device through the system management bus to remotely debug the network card.

According to the second aspect of the present invention, a network card debugging method is provided, which is applied to the above-mentioned network card debugging system. The method includes:

In response to the configuration instruction issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip; wherein the configuration instruction is used to instruct out-of-band debugging of the network card chip Interface Type;

Read the status information of the network card chip through the target debugging interface;

In response to the debugging signal sent by the baseboard management controller, the status information of the network card chip is obtained, so that the baseboard management controller debugs the network card according to the status information.

Optionally, in response to a configuration instruction issued by the baseboard management controller, determining a target debugging interface for interconnection between the complex programmable logic device and the network card chip includes:

Obtain the out-of-band debugging interface type of the network card chip, and generate configuration instructions through the baseboard management controller;

Issue the configuration instructions to the complex programmable logic device;

Through the preset logic blocks of the complex programmable logic device, the target debugging interface for interconnection between the complex programmable logic device and the network card chip is determined.

Optionally, in response to a debugging signal issued by the baseboard management controller, obtaining status information of the network card chip so that the baseboard management controller debugs the network card according to the status information includes: :

Receive a debugging signal issued by the baseboard management controller; wherein the debugging signal is used to instruct the complex programmable logic device to read information from the network card chip.

According to the debugging signal, read the status information of the network card chip through the complex programmable logic device;

Store the status information of the network card chip to the complex programmable logic device;

Obtain the status information stored in the complex programmable logic device through the baseboard management controller;

According to the status information, the network card is remotely debugged through the baseboard management controller.

According to another aspect of the present invention, an electronic device is also provided, including:

processor;

memory for storing instructions executable by the processor;

Wherein, the processor is configured to execute the instruction to implement the network card debugging method as described above.

According to another aspect of the present invention, a readable storage medium is also provided. A computer program is stored on the readable storage medium. When the computer program is executed by a processor, the steps of the network card debugging method as described above are implemented.

The network card debugging system provided by the embodiment of the present invention includes a network card and a baseboard management controller. The network card is equipped with a network card chip and a complex programmable logic device. The complex programmable logic device is connected to the baseboard management controller and the network card chip respectively. In response to the configuration instructions issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip, and read the status information of the network card chip through the target debugging interface. The baseboard management controller is used to pass the complex programmable logic device Obtain the status information of the network card chip and debug the network card. The present invention adds a complex programmable logic device CPLD chip to the network card, and uses the CPLD as a transfer station to connect the baseboard management controller and the network card chip. Therefore, the baseboard management controller only needs to access the CPLD and relay to the network card chip through the CPLD to realize the network card. Out-of-band debugging eliminates the need to disassemble the server, avoids the problem of on-site cabinet operations that damage the server, and enables remote out-of-band debugging of the network card, which greatly improves the debugging efficiency of the network card.

The above description is only an overview of the technical solution of the present invention. In order to have a clearer understanding of the technical means of the present invention, it can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present invention more obvious and understandable. , the specific embodiments of the present invention are listed below.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be construed as limiting the invention. Also throughout the drawings, the same reference characters are used to designate the same components. In the attached picture:

Figure 1 is a schematic structural diagram of a network card debugging system provided by an embodiment of the present invention;

Figure 2 is a schematic diagram of a network card debugging system provided by an embodiment of the present invention;

Figure 3 is a step flow chart of a network card debugging method provided by an embodiment of the present invention;

Figure 4 is a flow chart of step 301 of the network card debugging method provided by the embodiment of the present invention in Figure 3;

Figure 5 is a flow chart of step 303 of the network card debugging method provided by the embodiment of the present invention in Figure 3;

Figure 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.

Reference signs:

10-Baseboard management controller, 20-Network card, 201-Complex programmable logic device, 202-Network card chip, 203-Golden finger.

Detailed ways

In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, each implementation mode of the present invention will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present invention, many technical details are provided to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solution claimed in this application can also be implemented. The division of the following embodiments is for convenience of description and should not constitute any limitation on the specific implementation of the present invention. The various embodiments can be combined with each other and quoted from each other on the premise that there is no contradiction.

Referring to Figure 1, there is shown a schematic structural diagram of a network card debugging system provided by an embodiment of the present invention. The system includes a network card and a baseboard management controller. The network card is configured with a network card chip and a complex programmable logic device. The complex programmable logic device is configured in the network card. Programming logic devices are respectively connected to the baseboard management controller and the network card chip;

The complex programmable logic device is configured to determine a target debugging interface for interconnection between the complex programmable logic device and the network card chip in response to a configuration instruction issued by the baseboard management controller, and read through the target debugging interface. Status information of the network card chip;

The baseboard management controller is used to obtain the status information of the network card chip through the complex programmable logic device and debug the network card.

In the embodiment of the present invention, in order to solve the problem that a network card failure occurs when the server is running in the computer room, and in-band debugging cannot be used, and out-of-band debugging requires dismantling the server welding line and damaging the fault site, this embodiment uses the substrate management control in the server The controller performs out-of-band debugging on the network card chip, and configures a complex programmable logic device (CPLD) in the network card. The complex programmable logic device serves as an intermediate bridge and connects the baseboard management controller and the network card chip respectively to enable baseboard management. The controller uses complex programmable logic devices to obtain the status information of the network card chip, and performs out-of-band debugging on the network card. This eliminates the need to disassemble the server and weld the lines. The fault site is completely retained, and relevant information about the network card chip can be collected to improve network card debugging. Efficient, easy to operate and easy to promote.

It should be noted that the CPU of the server usually uses an external network card. According to the form of the network card, it can be divided into PCIe network card and OCP network card. PCIe network card and OCP network card are a kind of standard products. They are interconnected with the server through golden fingers and are defined in the protocol specification. For each golden finger signal, the out-of-band debugging port of the network card chip is usually I2C (Inter-Integrated Circuit) or UART (Universal Asynchronous Receiver/Transmitter). The network card in the embodiment of the present invention can Including but not limited to the above two types of network cards, this embodiment takes this as an example for explanation, and the specific type and model of the network card is not specifically limited.

In the embodiment of the present invention, the out-of-band debugging port of the network card chip is connected to the complex programmable logic device. Specifically, the panel of the network card must usually be equipped with an Ethernet interface, various indicator lights, optical ports, etc., leaving the debugging interface The space is extremely limited, and the debugging interface is a necessary means in the development and debugging process. In this embodiment, the complex programmable logic device and the network card chip connection end are interconnected through the I2C or UART interface, and the other end is connected to the PCIe golden finger through the SMBus bus. Finally, it is connected to the BMC of the server through the golden finger. Among them, CPLD serves as an intermediate bridge piece to connect the BMC and the network card chip, so that the network card chip can be debugged out of band through the BMC.

In the embodiment of the present invention, specifically, the complex programmable logic device is connected to the baseboard management controller, and is used to first determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip in response to the configuration instructions issued by the baseboard management controller. , and then read the status information of the network card chip through the target debugging interface. The status information of the network card chip can be stored in the complex programmable logic device. When the baseboard management controller needs to debug the network card, the stored network card chip is obtained from the complex programmable logic device. status information to perform network card debugging.

The network card debugging system provided by the embodiment of the present invention includes a network card and a baseboard management controller. The network card is equipped with a network card chip and a complex programmable logic device. The complex programmable logic device is connected to the baseboard management controller and the network card chip respectively. In response to the configuration instructions issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip, and read the status information of the network card chip through the target debugging interface. The baseboard management controller is used to pass the complex programmable logic device Obtain the status information of the network card chip and debug the network card. The present invention adds a complex programmable logic device CPLD chip to the network card, and uses the CPLD as a transfer station to connect the baseboard management controller and the network card chip. Therefore, the baseboard management controller only needs to access the CPLD and relay to the network card chip through the CPLD to realize the network card. Out-of-band debugging eliminates the need to disassemble the server, avoids the problem of on-site cabinet operations that damage the server, and enables remote out-of-band debugging of the network card, which greatly improves the debugging efficiency of the network card.

Specifically, the network card chip is equipped with multiple types of out-of-band debugging interfaces, and the network card chip is interconnected with complex programmable logic devices through the out-of-band debugging interface.

In the embodiment of the present invention, the network card chip is provided with multiple types of out-of-band debugging interfaces. The out-of-band debugging interface of the network card chip is usually I2C or UART. The I2C interface is physically composed of SCL and SDA signals, and the UART interface is composed of TX and RX. The signal composition and the required number of signals are the same, so they are electrically compatible. The network card chip is interconnected with the complex programmable logic device through the out-of-band debugging interface.

It should be noted that the complex programmable logic device CPLD and the network card chip are interconnected through I2C or UART, which are two-wire systems and are compatible in terms of physical signals. The out-of-band debugging interfaces of the embodiment of the present invention include but are not limited to The UART (Universal Asynchronous Receiver/Transmitter, Universal Asynchronous Receiver/Transmitter, serial port) interface is used for FPGA debugging and BMC debugging. It can also integrate the necessary debugging interface on the network card.

Preferably, in this embodiment, a debugging connection module can be set outside the network card chip. The debugging connection module includes a transmission module (such as a connector, a level conversion module) for realizing information transmission between a multi-functional debugging interface and a complex programmable logic device. etc.), used for network card debugging in BMC, the debugging connection module can use complex programmable logic devices CPLD and various types of network card chip out-of-band debugging interfaces to transmit information to ensure multi-functional network card debugging. Specifically, when the CPLD needs to send information to the network card chip, it can send the information to the debugging connection module, and the debugging connection module forwards the information to the network card chip. On the contrary, when the network card chip needs to transmit the network card status information to the debugger, When using the BMC, the information can be sent to the debugging connection module. The debugging connection module forwards the information to the CPLD, and the CPLD finally forwards the information to the BMC, thereby realizing information transmission during the debugging process.

In the embodiment of the present invention, the network card chip is interconnected with the complex programmable logic device through an out-of-band debugging interface. Since multiple types of out-of-band debugging interfaces are electrically compatible, it reduces the difficulty for CPLD to obtain status information of various network card chips. , which improves the practicality of the network card debugging system and can save the space of the smart network card while meeting the out-of-band debugging requirements.

Specifically, the complex programmable logic device includes a preset logic module, which is generated in advance according to the type of out-of-band debugging interface interconnected between the complex programmable logic device and the network card chip, and is used for connecting target debugging. interface to read the status information of the network card chip.

In the embodiment of the present invention, since multiple types of out-of-band debugging interfaces are electrically compatible, the CPLD chip can pre-generate logic blocks in HDL language, and the preset logic modules are pre-set according to the complex programmable logic device and the The out-of-band debugging interface type generated by the network card chip interconnection is used to connect to the target debugging interface and read the status information of the network card chip.

Specifically, in this embodiment, according to the interconnection interface between the CPLD and the network card chip, the UART logic block and the I2C logic block can be written. In this way, a set of CPLD codes can be compatible with the I2C and UART interfaces, and there is no need to reprogram the CPLD according to the type of the network card interface. On the basis of improving debugging efficiency, the scene is also preserved to the greatest extent.

It should be noted that, with reference to the schematic diagram of the network card debugging system shown in Figure 2, the I2C logic block is used as an example. From the perspective of the I2C subordinate relationship between the CPLD and the network card chip, the CPLD belongs to the master device and the network card chip belongs to the slave device. , write the I2C master logic block for communication between CPLD and the network card chip; from the I2C subordinate relationship between CPLD and BMC, BMC belongs to the master device, write the I2C slave logic block for communication between BMC and CPLD, At this time, CPLD belongs to the slave device.

It should be noted that in the I2C address configuration of the CPLD, it must be defined based on the addresses of all devices hanging down the entire path from the server's BMC to the CPLD to avoid I2C address conflicts.

In the embodiment of the present invention, the preset logic module set by the complex programmable logic device realizes that the CPLD code is compatible with I2C and UART interfaces. There is no need to reprogram the CPLD according to the interface type of the network card chip. On the basis of improving debugging efficiency, it reduces manpower The material cost further improves the practicality of the network card debugging system.

Specifically, the network card is also equipped with a gold finger. The complex programmable logic device uses a system management bus and is connected to the baseboard management controller through the gold finger.

In the embodiment of the present invention, the network card is also equipped with a gold finger, and there is an SMBus interface on the gold finger, so that the complex programmable logic device uses the system management bus SMBus and is connected to the baseboard management controller through the SMBus interface of the gold finger to implement the baseboard management controller. The communication connection with the complex programmable logic device allows the baseboard management controller to obtain the status information of the network card chip through the complex programmable logic device, debug the network card, and realize efficient out-of-band debugging of the network card.

Specifically, the baseboard management controller is used to issue configuration instructions and debugging signals to complex programmable logic devices through the system management bus to remotely debug the network card.

It should be noted that in server products, due to their complex functions, the failure rate is relatively high, and there are also cases where the firmware is regularly upgraded. When serious problems occur with the network card and in-band debugging cannot be used, the current network card products use band debugging at the application site. External debugging usually requires dismantling the server and welding the circuit. In fact, this is not feasible. It is usually returned to the manufacturer or reproduced by the manufacturer itself, which reduces customer satisfaction and cannot collect on-site information in the first time. This embodiment uses the server The remote control function of the baseboard management controller sends configuration instructions and debugging signals to the complex programmable logic device through the system management bus, so that the complex programmable logic device reads the status information of the network card chip, so that the baseboard management controller can Obtain the status information and perform remote debugging on the network card.

In the embodiment of the present invention, the BMC accesses the CPLD and then transfers it to the network card chip through the CPLD to achieve out-of-band debugging. The BMC will also access the Ethernet, thereby enabling remote out-of-band debugging without the need to disassemble the server or return the network card to the factory. , greatly improving the troubleshooting failure and minimizing the impact on the user's use.

Referring to Figure 3, there is shown a step flow chart of a network card debugging method provided by an embodiment of the present invention, which is applied to the network card debugging system shown in Figure 1. The method may include:

Step 301: In response to the configuration instruction issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip.

Among them, the configuration instruction is used to indicate the out-of-band debugging interface type of the network card chip;

The network card debugging method provided by the embodiment of the present invention is applied to a network card debugging system. The system includes a network card and a baseboard management controller. The network card is equipped with a network card chip and a complex programmable logic device. The complex programmable logic devices are respectively connected to the baseboard management controller. and network card chip, used to respond to the configuration instructions issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip, and read the status information of the network card chip through the target debugging interface. The baseboard management controller is used to Obtain the status information of the network card chip through complex programmable logic devices and debug the network card. The specific implementation process of the above-mentioned network card debugging system refers to the foregoing description and will not be repeated here.

In the embodiment of the present invention, the network card debugging system includes a network card and a baseboard management controller. The network card is equipped with a network card chip and a complex programmable logic device. The complex programmable logic device is connected to the baseboard management controller and the network card chip respectively.

Specifically, when a server fails or is abnormal, the baseboard management controller can generate configuration instructions based on the complex programmable logic device and the out-of-band debugging interface type of the network card chip, and issue the configuration instructions to the complex programmable logic device for instructions. The complex programmable logic device starts the target preset logic module, where the configuration instruction is used to indicate the out-of-band debugging interface type of the network card chip, that is, the complex programmable logic device responds to the configuration instruction issued by the baseboard management controller, and according to the configuration instruction instruction The out-of-band debugging interface type determines the target debugging interface for interconnection between the complex programmable logic device and the network card chip, thereby starting the target preset logic module.

It should be noted that the presence signal of the network card can be monitored through the complex programmable logic device on the network card, and the configuration instructions before debugging the network card can be set according to the presence signal to target the complex programmable logic device and the network card chip. Debug interface for interconnection configuration.

For example, complex programmable logic devices can generate logic blocks by HDL language, and write UART logic blocks and I2Cmaster logic blocks based on the out-of-band debugging interface between complex programmable logic devices and network card chips. In the I2C address configuration of CPLD, it must be based on Define the addresses of all devices on the entire path from the server's BMC to the CPLD to avoid I2C address conflicts. Such a complex programmable logic device CPLD code is compatible with I2C and UART interfaces. There is no need to reprogram the complex programmable logic device according to the type of network card interface. On the basis of improving debugging efficiency, it also saves the scene to the greatest extent.

Step 302: Read the status information of the network card chip through the target debugging interface.

In the embodiment of the present invention, after determining the target debugging interface for interconnection between the complex programmable logic device and the network card chip, the complex programmable logic device reads the status information of the network card chip through the target debugging interface, where the status information of the network card chip includes the network card chip In-place status, power on and off status and other information.

In this embodiment, after the complex programmable logic device and the network card chip are used for communication connection, information can be transmitted through the target debugging interface to realize the function detection of the network card, and the substrate can be triggered based on the monitored status information such as in-position status and power-on/off status. The management controller issues debugging signals to the network card.

It should be noted that complex programmable logic devices are used to implement function detection such as network card presence detection, power on and off control, clock control, bandwidth allocation and reset. The complex programmable logic device reads data from the network card chip through the I2C or UART interface according to the type of the network card out-of-band debugging interface, and saves it in the internal logic unit, waiting for the baseboard management controller to read it directly during debugging.

Step 303: In response to the debugging signal sent by the baseboard management controller, obtain the status information of the network card chip, so that the baseboard management controller debugs the network card according to the status information.

In the embodiment of the present invention, the complex programmable logic device responds to the debugging signal issued by the baseboard management controller, obtains the status information of the network card chip stored in itself, and transmits the status information of the network card chip back to the baseboard management controller, so that the baseboard management controller The management controller debugs the network card based on the status information.

It should be noted that the embodiment of the present invention does not specifically limit the way in which the baseboard management controller obtains the status information of the network card chip. This embodiment uses a complex programmable logic device to pre-store and then transmit it back to the baseboard management controller as an example for illustration. It can also be that the baseboard management controller controls the complex programmable logic device to obtain it in real time, and then actively reads it from the complex programmable logic device. This embodiment can be any way for the baseboard management controller to obtain the status information of the network card chip, so that The baseboard management controller can debug the network card based on the status information, which will not be described in detail here.

Specifically, complex programmable logic devices can also be configured with an online upgrade function. When the firmware of the complex programmable logic device needs to be updated, the baseboard management controller can upgrade the firmware of the complex programmable logic device through the SMBus interface without powering off or Disassembly greatly improves the maintainability of complex programmable logic devices.

The network card debugging method provided by the embodiment of the present invention responds to the configuration instructions issued by the baseboard management controller, determines the target debugging interface for interconnection between the complex programmable logic device and the network card chip, reads the status information of the network card chip through the target debugging interface, and responds Obtain the status information of the network card chip based on the debugging signal sent by the baseboard management controller, so that the baseboard management controller can debug the network card based on the status information. In the embodiment of the present invention, a complex programmable logic device CPLD chip is added to the network card, and the CPLD is used as a transfer station to connect the baseboard management controller and the network card chip. Therefore, the baseboard management controller only needs to access the CPLD and relay it to the network card chip through the CPLD. The baseboard management The controller can achieve out-of-band debugging of the network card by issuing configuration instructions and debugging signals to complex programmable logic devices, using the complex programmable logic devices to obtain the status information of the network card chip, and remotely debugging the network card based on the status information, without disassembly. The server avoids the problem of on-site cabinet operation that damages the server and realizes remote out-of-band debugging of the network card, which greatly improves the debugging efficiency of the network card.

Further, referring to FIG. 4 , there is shown a flow chart of step 301 of the network card debugging method provided by the embodiment of the present invention. The step 301 determines the complex programmable logic device and the network card in response to the configuration instruction issued by the baseboard management controller. The target debugging interface of chip interconnection can include:

Step 401: Obtain the out-of-band debugging interface type of the network card chip, and generate configuration instructions through the baseboard management controller.

In the embodiment of the present invention, when performing out-of-band debugging on the network card, the out-of-band debugging interface type of the network card chip is obtained, and the configuration instructions are generated through the baseboard management controller.

Specifically, the network card chip is interconnected with the complex programmable logic device through the out-of-band debugging interface. Since multiple types of out-of-band debugging interfaces are electrically compatible, the complex programmable logic device includes preset logic modules. It is generated in advance based on the out-of-band debugging interface type that interconnects complex programmable logic devices and network card chips. It is used to connect the target debugging interface and read the status information of the network card chip. Therefore, it is generated in advance based on the out-of-band debugging interface type of the network card chip. The baseboard management controller generates a configuration instruction, and the configuration instruction is used to indicate the out-of-band debugging interface type of the network card chip.

Step 402: Send the configuration instruction to the complex programmable logic device.

Step 403: Determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip through the preset logic blocks of the complex programmable logic device.

In the embodiment of the present invention, the complex programmable logic device includes a preset logic module. Since multiple types of out-of-band debugging interfaces are electrically compatible, the CPLD chip can pre-generate logic blocks in HDL language. The preset logic module is It is generated in advance according to the type of out-of-band debugging interface interconnected between the complex programmable logic device and the network card chip, and is used to connect the target debugging interface and read the status information of the network card chip.

Specifically, in this embodiment, according to the interconnection interface between the CPLD and the network card chip, the UART logic block and the I2C logic block can be written. In this way, a set of CPLD codes can be compatible with the I2C and UART interfaces, and there is no need to reprogram the CPLD according to the type of the network card interface. On the basis of improving debugging efficiency, the scene is also preserved to the greatest extent.

In the embodiment of the present invention, the baseboard management controller generates configuration instructions, sends the configuration instructions to the complex programmable logic device, and uses the preset logic blocks of the complex programmable logic device to determine the interconnection between the complex programmable logic device and the network card chip. The target debugging interface realizes communication between complex programmable logic devices and network card chips, reduces the difficulty for CPLD to obtain status information of various network card chips, and improves the practicality of the network card debugging system.

Further, referring to FIG. 5 , there is shown a flow chart of step 303 of the network card debugging method provided by the embodiment of the present invention. The step 303 responds to the debugging signal issued by the baseboard management controller and obtains the status information of the network card chip, so as to obtain the status information of the network card chip. Enable the baseboard management controller to debug the network card based on status information, which can include:

Step 501: Receive the debugging signal sent by the baseboard management controller.

Among them, the debugging signal is used to instruct the complex programmable logic device to read information from the network card chip.

Step 502: Read the status information of the network card chip through the complex programmable logic device according to the debugging signal.

In the embodiment of the present invention, the complex programmable logic device responds to the debugging signal issued by the baseboard management controller and begins to directly read the status information of the network card chip through the target debugging interface, so that the baseboard management controller can perform debugging on the network card based on the status information. debug.

It should be noted that the status information of the network card chip includes information such as the presence status and power-on/off status of the network card chip. This embodiment uses complex programmable logic devices to transmit information through the target debugging interface to detect the network card. Based on the monitored status information such as in-position status and power-on/off status, the baseboard management controller performs out-of-band debugging on the network card.

Step 503: Store the status information of the network card chip in the complex programmable logic device.

Step 504: Obtain status information stored in the complex programmable logic device through the baseboard management controller.

In the embodiment of the present invention, the status information stored in the complex programmable logic device is obtained through the baseboard management controller. In some embodiments, the complex programmable logic device can also be read in response to the debugging signal issued by the baseboard management controller. The status information of the network card chip is returned to the baseboard management controller, so that the baseboard management controller can remotely debug the network card based on the obtained status information, which will not be described again here.

Step 505: According to the status information, remotely debug the network card through the baseboard management controller.

Specifically, the baseboard management controller performs remote debugging on the network card based on the obtained status information. It should be noted that because the baseboard management controller can access the Ethernet, remote out-of-band debugging can be achieved, which greatly improves the efficiency of troubleshooting. Minimally impact customer usage.

In the embodiment of the present invention, a complex programmable logic device CPLD chip is added to the network card, and the CPLD is used as a transfer station to connect the baseboard management controller and the network card chip. Therefore, the baseboard management controller only needs to access the CPLD and relay it to the network card chip through the CPLD. It can realize out-of-band debugging of the network card without dismantling the server, avoiding the problem of on-site cabinet operation and damaging the server at the fault site. It can realize remote out-of-band debugging of the network card, which greatly improves the debugging efficiency of the network card.

An embodiment of the present invention also provides an electronic device, as shown in Figure 6, including a processor 601, a communication interface 602, a memory 603, and a communication bus 604. The processor 601, the communication interface 602, and the memory 603 communicate through the communication bus 604. complete mutual communication,

Memory 603, used to store computer programs;

The processor 601 is used to execute the program stored in the memory 603 to implement the following steps:

In response to the configuration instruction issued by the baseboard management controller, determine the target debugging interface for interconnection between the complex programmable logic device and the network card chip; wherein the configuration instruction is used to indicate the out-of-band debugging interface type of the network card chip;

Read the status information of the network card chip through the target debugging interface;

In response to the debugging signal sent by the baseboard management controller, the status information of the network card chip is obtained, so that the baseboard management controller debugs the network card based on the status information.

The communication bus mentioned in the above terminal may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus can be divided into address bus, data bus, control bus, etc. For ease of presentation, only one thick line is used in the figure, but it does not mean that there is only one bus or one type of bus.

The communication interface is used for communication between the above terminal and other devices.

The memory may include random access memory (RAM) or non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one storage device located far away from the aforementioned processor.

The above-mentioned processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (Digital Signal Processing, DSP). , Application Specific Integrated Circuit (ASIC for short), Field-Programmable Gate Array (FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, and discrete hardware components.

In yet another embodiment provided by the present invention, a computer-readable storage medium is also provided. The computer-readable storage medium stores instructions, which when run on a computer, cause the computer to execute any one of the above embodiments. The described network card debugging method.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with the embodiments of the present invention are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated. The available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), etc.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Each embodiment in this specification is described in a related manner. The same and similar parts between the various embodiments can be referred to each other. Each embodiment focuses on its differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple. For relevant details, please refer to the partial description of the method embodiment.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims (10)

1. The network card debugging system is characterized by comprising a network card and a baseboard management controller, wherein a network card chip and a complex programmable logic device are configured in the network card, and the complex programmable logic device is respectively connected with the baseboard management controller and the network card chip;

the complex programmable logic device is used for responding to the configuration instruction issued by the baseboard management controller, determining a target debugging interface for interconnection between the complex programmable logic device and the network card chip, and reading the state information of the network card chip through the target debugging interface;

the baseboard management controller is used for acquiring the state information of the network card chip through the complex programmable logic device and debugging the network card.

2. The network card debugging system of claim 1, wherein the network card chip is provided with multiple types of out-of-band debugging interfaces, and the network card chip is interconnected with the complex programmable logic device through the out-of-band debugging interfaces.

3. The network card debugging system of claim 1, wherein the complex programmable logic device comprises a preset logic module, wherein the preset logic module is generated in advance according to an out-of-band debugging interface type of interconnection of the complex programmable logic device and the network card chip and is used for communicating a target debugging interface and reading state information of the network card chip.

4. The network card debugging system of claim 1, wherein the network card is further configured with a golden finger through which the complex programmable logic device employs a system management bus to connect to the baseboard management controller.

5. The network card debugging system of claim 4, wherein the baseboard management controller is configured to send configuration instructions and debugging signals to the complex programmable logic device via the system management bus to remotely debug the network card.

6. A network card debugging method applied to the network card debugging system of any one of claims 1 to 5, characterized in that the method comprises the following steps:

responding to a configuration instruction issued by the baseboard management controller, and determining a target debugging interface for interconnecting the complex programmable logic device and the network card chip; the configuration instruction is used for indicating the type of the out-of-band debugging interface of the network card chip;

reading the state information of the network card chip through the target debugging interface;

and responding to the debugging signal issued by the baseboard management controller, and acquiring the state information of the network card chip so that the baseboard management controller can debug the network card according to the state information.

7. The method of claim 6, wherein the determining the target debug interface for interconnecting the complex programmable logic device and the network card chip in response to the configuration instruction issued by the baseboard management controller comprises:

acquiring the out-of-band debugging interface type of the network card chip, and generating a configuration instruction through the baseboard management controller;

issuing the configuration instruction to the complex programmable logic device;

and determining a target debugging interface of interconnection of the complex programmable logic device and the network card chip through a preset logic block of the complex programmable logic device.

8. The method of claim 6, wherein the obtaining, in response to the debug signal issued by the baseboard management controller, the status information of the network card chip to enable the baseboard management controller to debug the network card according to the status information includes:

receiving a debugging signal issued by the baseboard management controller; the debugging signals are used for indicating the complex programmable logic device to read information of the network card chip.

Reading the state information of the network card chip through the complex programmable logic device according to the debugging signals;

storing the state information of the network card chip into the complex programmable logic device;

acquiring the state information stored by the complex programmable logic device through the baseboard management controller;

and according to the state information, remotely debugging the network card through the baseboard management controller.

9. An electronic device, comprising:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to execute the instructions to implement the network card debugging method of any of claims 6 to 9.

10. A readable storage medium, wherein a computer program is stored on the readable storage medium, which when executed by a processor implements the network card debugging method according to any one of claims 6 to 9.