Patent ID: 11941449
Assignee: INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G  H

Claim 3:
4. The method of claim 1, wherein the initializing a PCIE register of each of the plurality of 10-gigabit network cards by the sysfs file system based on a corresponding PCIE address in the step 200 comprises: mapping resource node resource0 of a pci device of the sysfs file system by using mmap, and reading and writing an offset address of a PCIE register in a corresponding 10-gigabit network card in a mapping space; the reading and writing comprises closing an interruption of the 10-gigabit network card, resetting a master chip of the 10-gigabit network card, re-closing the interruption, waiting for a flag indicating a completion of DMA initialization, resetting a header pointer RDH and a tail pointer RDT of a data receiving ring RX, filling a physical address of each DMA description unit; and enabling a jumbo frame and promiscuous mode flag bit.