Ethereal-dev: Re: [Ethereal-dev] Incorrect TCP checksums

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

Date Index Thread Index Other Months All Mailing Lists
Date Prev Date Next Thread Prev Thread Next
From: "Guy Harris" <gharris@xxxxxxxxx>
Date: Mon, 7 Jun 2004 12:12:01 -0700 (PDT)
Glen Turner said:
> If there room in the libpcap format for a "TCP offloaded" flag?

No.  There's no room for any per-interface or per-packet flags.

That's one of the goals for the next-generation libpcap format (it'd have
provisions for information about the interfaces on which the capture is
done, which could include a "checksums offloaded" flag if available, and
for per-packet information including the direction of the packet, if
available, so that transmitted packets on interfaces doing checksum
offloading could have their checksums not checked).