Marvell International Limited

Marvellworld Trade Ltd.

Marvell Asia Pte., Ltd.

Pctel,inx.

Xiaohua Luo

Frank Huang

Robert Lee, Jr

James Jan

Long Chow

Chen Fan

James Kang-Wuu Jan

Zheng Cao

Benson Chau

Matthew L Semersky

Ken Yeung

Chien-Cheng Tung

Amey Dattatray Inamdar

Venkatachalam Shanmugasundaram

Nishant Suneel Sarmukadam

Anthony L Mazzarini

Yogesh Powar

Kanwal Preet Banga

A wireless network interface generates a beacon frame, and transmits the beacon frame outside of a wireless local area network (WLAN) served by an access point (AP). Additionally or alternatively, the wireless network interface receives a first probe request frame from a client station in the WLAN, and in response, generates and transmits a probe response frame outside of the WLAN. The wireless network interface receives one or more frames from the client station of the WLAN, the one or more frames having been transmitted outside of the WLAN. Network security information corresponding to the WLAN is extracted from the one or more frames, and the wireless network interface uses the network security information to wirelessly connect to the AP as part of the WLAN.

Systems and methods for provisioning devices for WLAN

In an example, a method includes determining, at a host device, a power state of a digital input/output device, and transmitting a clock signal having a first frequency from the host device to the input/output device responsive to a determination that the input/output device is in a lower power state. The method also includes determining, at the host device, that the input/output device has transitioned into a higher power state, and transmitting a clock signal having a second frequency from the host device to the input/output device responsive to a determination that the input/output device has transitioned into the higher power state. The first frequency is lower than the second frequency.

Input-output device management using dynamic clock frequency

A filter expression is received at a wireless device assembly of a communication device. While a host assembly of the communication device is in a sleep mode, the wireless device assembly receives a signal having packet data, and determines whether the packet data contains a data pattern indicated by the filter expression. If the packet data contains the data pattern, the wireless device assembly communicates a wakeup signal to the host assembly for changing the host assembly from the sleep mode to an active mode. If the packet data does not contain the data pattern, the wireless device assembly does not communicate the wakeup signal to the host assembly.

Memory efficient filtering

In accordance with the invention, a method, system and apparatus for saving power consumed by a station in an ad hoc wireless network are presented. The method comprises transmitting or receiving a signal by a station in the ad hoc wireless network during a beacon interval. The station enters a power saving doze state immediately following the transmission or reception of the signal and prior to the end of the beacon interval. Additionally or alternatively, the station may enter power saving doze state following a timed period, according to a counter, or according to a periodic pattern.

Enhanced IEEE power save in ad hoc wireless mode

In a method and apparatus for providing memory efficient filtering of a received broadcast signal, a wireless device assembly compares a filter expression to packet data in the broadcast signal to determine whether the packet data contains a particular bit pattern indicated by the filter expression. The wireless device assembly is able to perform such filtering with an associated host assembly in a sleep mode or with that host in an active mode. If the host assembly is in a sleep mode, and if the packet data contains the particular bit pattern indicated by the filter expression, the wireless device assembly communicates a wakeup signal to the host assembly for changing the host assembly from the sleep mode to an active mode. On the other hand, if the packet data does not contain the particular bit pattern indicated by the filter expression, the wireless device assembly does not communicate the wakeup signal to the host assembly.

Methods, systems and computer program products are described for transferring aggregated data packets over an I/O interface from a host to a multiport embedded device. For example, a method includes receiving, by the device from the host, a single write command that (i) specifies two or more ports from among multiple ports of the device, and (ii) includes two or more data packets to be respectively written to the specified ports. The multiple ports of the device are mapped to corresponding locations of memory of the device. The method further includes saving, by the device in response to the single write command, the two or more data packets at two or more memory locations to which the specified ports are mapped. Additionally, the method includes sending, upon saving the data packets, a single notification to the host indicating that the device is ready to receive another write command.

Method and apparatus for transferring data between a host and an embedded device

A network interface includes a firmware module that generates a first message based on a first print macro call and a memory module that stores the first message. The first message comprises a subset of data indicative of the first print macro call.

Small debug print

In a method and apparatus for providing memory efficient filtering of a received broadcast signal, filter expressions are compared to packet data in the broadcast signal and by a wireless device assembly to determine if a match exists. The wireless device assembly is able to perform such filtering with an associated host assembly in a sleep mode or with that host in an active mode. Upon finding a filter match, the wireless device assembly selectively communicates the received packet data to the host assembly for packet decoding and analysis. If the host assembly is in a sleep mode, the wireless device assembly may send a wakeup signal to the host assembly prior to transmitting the packet data.

A host includes an operating system segmented into a user space and a kernel space with a driver. The user space stores a firmware file and the kernel space includes memory. The driver is stored in the kernel space and performs download cycles to download the firmware file to the memory. The device driver, during a first download cycle, transfers a first block of data to the memory. During each download cycle performed subsequent to the first download cycle, the driver is configured to: identify first and second segments of the memory, where data including the first block of data was stored in the first segment during a previous download cycle; copy the data including the first block of data from the first segment to the second segment; and transfer a block of data of the firmware file, not previously stored in the memory, to the second segment.

Firmware downloading through process file system

A host system includes an operating system having a user space and a kernel space with a memory. A device driver performs download cycles to download a firmware file from the user space to the memory. The download cycles are performed based on blocks of data remaining in the user space and not downloaded from the user space. The device driver: transfers a first block of data to a first segment of the memory; transfers a second block of data from the user space to a second segment of the memory; copies the first block into the second segment; and appends the first block to the second block to form a combined block. The first block is transferred from the user space to the first segment during a first download cycle. The first block is transferred from a second segment to the first segment during a second download cycle.

Method and apparatus for transferring firmware between an operating system and a device in a host

A method and system for transferring a firmware file between a host system and a device driver, wherein the host system includes an operating system segmented into a user space and a kernel space is disclosed. Aspects of the exemplary embodiment include using a first type of process file system command in the user space to initiate a transfer of the firmware file between the host system and the device driver, wherein the firmware file exists in the user space and the device driver exists in the kernel space; and using a second type of process file system command in the user space to transfer the firmware file between the user space and the device driver in kernel space.

Method and apparatus for transferring firmware between an operating system device in a host

A computer having a modem is programmed with software (also called a &ldquo;on-hook/off-hook detector&rdquo;) that detects a change in status (e.g., on-hook or off-hook) of a device (e.g., a telephone having a handset) by measuring a change in the signal power of a signal flowing through a telephone line connecting the modem and the device. In particular, the computer programmed with the on-hook/off-hook detector detects a status of a telephone handset by measuring power of a reference signal and measuring power of an instantaneous signal on the connection and comparing these two measurements. The reference signal is a constant signal whose power does not change. Then, the computer programmed with the on-hook/off-hook detector is able to detect whether there has been a change in status of the telephone handset by comparing the detected status with a previous status of the telephone handset. The on-hook/off-hook detector may be executed in a central processing unit (CPU) of a computer or in a digital signal processor (DSP) of a modem.

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Xiaohua Luo