Re: kern/34799: IP Filter does not work correctly with gem(4) when hardware chec

["David H. Gutteridge" <dhgutteridge%sympatico.ca@localhost>]

The following reply was made to PR kern/34799; it has been noted by GNATS.

From: "David H. Gutteridge" <dhgutteridge%sympatico.ca@localhost>
To: jdc%coris.org.uk@localhost, gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/34799: IP Filter does not work correctly with gem(4) when 
hardware chec
Date: Wed, 30 Jan 2008 18:27:53 -0500

 Hello,
 
 >>Oh, I thought only the Apple hardware was showing the problem.  It
 >>might be safer to assume then that none of the variations work
 >>properly.
 
 >This seems like a good idea to me too.  The attached patch does that.
 >If you could test it instead of the previous one, that would be great!
 
 It worked fine for me with a -current kernel again.
 
 >>Ah.  I think I may disable all hardware checksumming on my gem, it
 >>sounds pretty dodgy.  (But of course, I will test patches.)
 
 >Well, it seems the transmit TCP checksum is OK ;-)  Thanks.
 
 Yes, that seemed to work fine for me in conjunction with ipf in this
 latest test.
 
 >>Sounds good to me, though I might not be making use of the particular
 >>code we're talking about.
 
 >;-)  I'll sort out a pull up request when the latest code has been in
 >the tree for a couple of weeks (to make sure I haven't broken anything).
 
 Perhaps something should be added to the "bugs" section of the gem man
 page noting why there's no UDP or TCP RX hardware checksumming
 available?  (I see you removed the reference to UDP being available
 already.)
 
 Regards,
 
 Dave