Version is 5... and I bet ip_hl is 4? Darren
Ashwani Wason wrote: > BTW, the version number that shows up in the packets is 5 :) > > - Ashwani > > > > On Mon, May 4, 2009 at 9:07 AM, Ashwani Wason <[email protected]> wrote: > >> Darren, >> >> Using the good old-fashioned printf-based debugging "technique", the >> problem seems to be that the I/O netfilter hook callback in >> ip_fil_linux.c is unable to recognize the packet version: >> >> sk = *skbp; >> ip = MTOD(sk, ip_t *); >> if (ip->ip_v == 4) { >> hlen = ip->ip_hl << 2; >> ip->ip_len = ntohs(ip->ip_len); >> ip->ip_off = ntohs(ip->ip_off); >> #ifdef USE_INET6 >> } else if (ip->ip_v == 6) { >> hlen = sizeof(ip6_t); >> #endif >> } else { >> printk("Dropping unknown IP version packet.\n"); >> return NF_DROP; >> } >> >> I see the "Dropping unknown IP version packet" message pop-up for >> every incoming/outgoing packet. This is so basic that any general >> problem would have been caught in your testing - I am not sure if it >> is related to 32-bit/64-bit. (Not sure if you test IP filter in 64-bit >> mode on Linux.) >> >> - Ashwani >> >> >> >> On Fri, May 1, 2009 at 11:10 AM, Ashwani Wason <[email protected]> wrote: >> >>> Filed bug 2785189. >>> >>> - Ashwani >>> >>> >>> >>> On Fri, May 1, 2009 at 10:28 AM, Darren Reed <[email protected]> >>> wrote: >>> >>>> Please make sure any bugs/issues/problems are recorded in source forge >>>> so that they can be tracked appropriately: >>>> >>>> https://sourceforge.net/tracker/?group_id=169098&atid=849053 >>>> >>>> Darren >>>> >>>> >>>> >>>> > >
