[Click] [Bug] patchless click misbehaving with recent Linux kernel vlan changes
Paul Pearce
pearce at cs.berkeley.edu
Tue Jan 15 16:34:29 EST 2013
> last year (may and november ?) I already reported about this problem with
> pcap
> and linux 3.0.x kernels. I did not follow the problem
> in depth, however I previously found out that
> the pcap method used to send packets by ToDevice
> (pcap_inject, not sure but I think so) seems not to be
> existing anymore. Therefore, ToDevice (which default method is actually
> PCAP)
> simply stucks and sends nothing. What I found confusing is that
> at the ./configure stage, since pcap_inject is not found within
> the pcap library, it is substituted by a dummy method (which does
> nothing) and the compilation goes on as if everything was fine.
> This can be misleading, and some messages from the stdout
> would be helpful, since the problem can then be determined only
> by examining the (long) configure.log file.
I don't have this problem when built the latest libpcap and linux 3.6.
I'm still using pcap_inject().
I think the behavior you describe occurs when you pass a bad libpcap
path to ./configure.
More information about the click
mailing list