On Tue, Mar 12, 2002 at 06:46:44PM -0500, Ashley Thomas wrote:
> If i install a RedHat 7.* off the CD directly, does it usually have the
> CONFIG_FILTER set ?
Having never installed Red Hat 7.x (I run Debian on my Linux partition
at home), I have no idea whether it does or not.
> How can i check that ?
I don't know whether there's some convenient way to find out what
features are enabled in a kernel without having the source tree from
which the kernel was built. I also don't know whether the
"/usr/src/linux" tree will indicate how the default kernel binary was
built.
I would suggest you ask Red Hat about this.
> One more thing.. there was an old issue that libpcap on linux does'nt
> report the pcap_stats drop correctly. Is it resolved ?
libpcap 0.7 will, *IF*:
1) your kernel is a 2.4[.x] kernel (or a 2.2[.x] kernel with
Alexey Kuznetzov's turbopacket patches)
and
2) the source was built on a system with "struct tpacket_stats"
defined in <linux/if_packet.h>
use the mechanism in the kernel to get the packet drop information. If
1) isn't true, your kernel doesn't have such a mechanism (unless
somebody added it by some other means - it's not in there in the
standard 2.2[.x] kernel); if 2) isn't true, even if your kernel has such
a mechanism, the code to use it can't be compiled in.
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