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Old 09-12-2007, 08:54 AM   #1
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Need network adapter information in a c program

Platform : redhat ent linux 4
i am working on a c program in which i need some details which are listed below:

> network Adapter Description (name of the hardware).
> the link speed or the bandwidth of the connection.
> the current bandwidth under usage.

can anyone tell me where i can get a library that helps in getting these system information. i've already tried libgtop and libpcap but they dont provide the above mentioned information.also i am not allowed to write anything to the disk.

Last edited by keanu; 09-12-2007 at 08:57 AM. Reason: better explaination of problem
Old 09-14-2007, 02:39 PM   #2
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Location: Ekaterinburg, Russia
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Take a look at `lspci (8)' and `/proc/bus/pci/devices'. Try `lspci -vv'. Maybe the source code of lspci will be helpful.

Hope, this helps.
Old 09-17-2007, 05:19 AM   #3
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thankyou, it really helped

apart from "lspci" i also studied source of "ethtool"... it was giving the required output , so i'am going with "ethtool"...


network, programming, redhat

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