Universidad Politecnica de Valencia

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Whitepaper: Augmenting RT-Linux GPL Capabilities With TCP/IP

by Universidad Politecnica de ValenciaJan 01, 2008

This paper presents RTL-LwIP which is a TCP/IP stack aimed at reducing memory usage and code size, making RTL-lwIP suitable for use in small clients with very limited resources such as embedded systems. It also tries to define how to write a RT-Linux driver for an Ethernet card using some new RT-Linux capabilities such as POSIX signals and a dynamic memory allocator called DIDMA. It presents the example of a RT-Linux driver for the Ethernet card 3Com905C-X.