Re: v4.1.30 notes and a problem on Linux 2.6 x86_64

Since it could be a device specific issue, I should mention that this
is for a e1000 device.

- Ashwani



On Mon, May 4, 2009 at 9:12 AM, Ashwani Wason <[email protected]> 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
>>>>
>>>>
>>>>
>>>
>>
>
>