On Tue, 2006-03-28 at 15:00 +0200, Jano wrote: > Hello, > > I'm interested in getting some information from a network device. > Namely, I want to retrieve the signal/noise ratio from a wireless airo > card. For that, I'm modifying the airo driver and recompiling it. > > I know how to get that information for each frame received, but I'm not > sure what would be the best/recommended way of making this information > available for the application layer without breaking compatibility. > > Any suggestions very welcome. Kind regards, did you ever think of using sysfs,debugfs or relayfs to output this data? This will allow you to output your data on access without polluting IOCTLs or syscalls. many drivers do this, such as for instance the hdaps driver which monitors the thinkpad's motion sensors - the sensor can be read from userspace like an ordinary file. Auke - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
