[Click] libpcap BIOCIMMEDIATE error

[Eddie Kohler]

Hi Dan,

Can you try printing out the actual ioctl return value?  That might tell 
you what the error is.  I've checked in a little code to do this.

Eddie




Daniel Henkel wrote:
> Hi,
> 
> I am trying to use FromDevice() with CAPTURE PCAP under Linux 2.4 with
> Atheros madwifi and libpcap.so.0.8.3. I'm using this line:
> 
> FromDevice(ath0raw, CAPTURE PCAP, BPF_FILTER "ether[18:4] == 0x08 and
> ")
> 
> However, the configuration can not be initialized and returns
> FromDevice: BIOCIMMEDIATE failed. FromDevice tries to switch the
> pcap_fd into immediate mode, returning right after each packet
> reception. For some reason this ioctl call returns an error. Any idea
> what to do? Is it at all necessary to switch the socket into immediate
> mode in Linux?
> 
> Thanks,
> - Daniel.
> 
> .....
> Interdisciplinary Telecommunications Program
> University of Colorado at Boulder
> http://AUGNet.colorado.edu
> 
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