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10/12/2001 Archived Entry: "Linux Ethercard Status, Diagnostic and Setup Utilities"

Linux Ethercard Status, Diagnostic and Setup Utilities

This is a collections of user-level programs to report the status of and verify the basic functionality of an ethercard. Most programs report the link status and interface configuration. The chip-specific programs can read (and sometimes write) the EEPROM setup table of software-configured cards.
These program also provide example code for accessing hardware device from a user-level program in Linux. They enable access to I/O space registers using ioperm() or iopl() . The PCI diagnostic programs demonstrate user-level access to PCI configuration information. Several ISA diagnostics (e.g. e21.c) demonstrate access to ISA shared memory regions using mmap() .