[patch] zerocopy bpf for libpcap

[Christian Peron <csjp () freebsd org>]

All,

I have included a patch for review.  This adds zero-copy bpf support
to libpcap.  It should be noted that I've tried to incorporate all
the feedback that I recieved after the previous submission.

There was one un-related fix in this patch:

Index: configure.in
===================================================================
RCS file: /tcpdump/master/libpcap/configure.in,v
retrieving revision 1.154
diff -u -r1.154 configure.in
@@ -37,7 +62,7 @@
 AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h>
 #include <sys/socket.h>
 #include <net/if.h>])
-if test "$ac_cv_header_net_pfvar_h" == yes; then
+if test "$ac_cv_header_net_pfvar_h" = yes; then
        #
        # Check for various PF actions.
        #

This should fix the check for pf.

Attachment: libpcap-zerocopy.1221224809.diff
Description:

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