----- Original Message ----- From: "Jack Vogel" <jfvogel_at_gmail.com> > I've looked into this a little, and then got interrupted with other issues. The > reason the thing is zero'ed is because the hardware is going to repacketize > this big wad that its been handled, it should be making new headers that > appear in the packets on the wire. So its not yet clear to me what the > real brokenness is, you are actually SUPPOSED to zero that value and > csum according to documentation, but the rewritten headers should have > correct len's in them, so the question is why in some cases they do not. > > I have a test case but it actually involves the advanced code (now in igb). > > If someone has a simple reproducible set of steps I would appreciate it. We saw this with a simple iperf test. I assumed this was due to the same reason tcpdump sees invalid checksums when hw checksum was enabled but wanted to confirm. Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster_at_multiplay.co.uk.Received on Wed Apr 09 2008 - 23:14:44 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:29 UTC