On 26/08/09 09:00 PM, Sebastien Roy wrote:
On Wed, 2009-08-26 at 20:53 -0700, Darren Reed wrote:
On 26/08/09 08:41 PM, Sebastien Roy wrote:
On Wed, 2009-08-26 at 19:42 -0700, Yunsong (Roamer) Lu wrote:
Yes, to determine the packet is a LSO one, snoop needs to get the meta
data. It's certain that snoop shouldn't regard any large(>MTU) packets
as LSO ones. :)
Seeing as snoop currently doesn't know the MTU
What makes you say that?
Doesn't dlpi_info() return that in snoop_capture.c`open_datalink?
Or am I missing something?
It's di_max_sdu that gets used, not mtu_size, throughout the code...
This, however, seems a bit... bogus...
/* for backward compatibility, allow known interface mtu_sizes
*/
if (interface->mtu_size > dlinfo.di_max_sdu)
dlinfo.di_max_sdu = interface->mtu_size;
Ah, this is what I was thinking of. Bogus indeed. Does that get saved
into the capture file?
You're going to love this...
from snoop_capture.c`cap_open_read:
dlinfo.di_max_sdu = MAXINT; /* Decode any stored packet. */
Darren
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