Re: Checksum forwarding issue on XEN

2015-11-11 Thread Wei Liu
On Thu, Nov 05, 2015 at 05:30:06PM +0100, Roger Pau Monné wrote: > El 05/11/15 a les 17.00, Larry Baird ha escrit: > > Roger, > > > >> Adding the persons that contributed that code in case they can shed some > >> light. > >> > >> El 03/11/15 a les 21.12, Larry Baird ha escrit: > >>> Has anybody ma

Re: Checksum forwarding issue on XEN

2015-11-05 Thread Larry Baird
Alan, > Though it looks weird, I think it's actually correct. th->th_sum lies > within the packet that it inspected by in_cksum_skip. in_cksum_skip > skips the ethernet and IP headers, but not the TCP header. So it > consumes whatever value was previously set in th_sum. In any case, it > wi

Re: Checksum forwarding issue on XEN

2015-11-05 Thread Alan Somers
On 11/05/2015 09:00 AM, Larry Baird wrote: > Roger, > >> Adding the persons that contributed that code in case they can shed some >> light. Removing John Suykerbuyk's outdated address. I don't have a current address for him. And replacing my spectralogic email address with my FreeBSD one. >

Re: Checksum forwarding issue on XEN

2015-11-05 Thread Roger Pau Monné
El 05/11/15 a les 17.00, Larry Baird ha escrit: > Roger, > >> Adding the persons that contributed that code in case they can shed some >> light. >> >> El 03/11/15 a les 21.12, Larry Baird ha escrit: >>> Has anybody made any progress on "Bug 188261 - [xen] FreeBSD DomU PVHVM >>> guests cannot 'rout

Re: Checksum forwarding issue on XEN

2015-11-05 Thread Larry Baird
Roger, > Adding the persons that contributed that code in case they can shed some > light. > > El 03/11/15 a les 21.12, Larry Baird ha escrit: > > Has anybody made any progress on "Bug 188261 - [xen] FreeBSD DomU PVHVM > > guests cannot 'route' traffic for other Xen PV guests on same Dom0 Host."

Re: Checksum forwarding issue on XEN

2015-11-05 Thread Roger Pau Monné
Hello, Adding the persons that contributed that code in case they can shed some light. El 03/11/15 a les 21.12, Larry Baird ha escrit: > Has anybody made any progress on "Bug 188261 - [xen] FreeBSD DomU PVHVM > guests cannot 'route' traffic for other Xen PV guests on same Dom0 Host." > (https://b

Checksum forwarding issue on XEN

2015-11-03 Thread Larry Baird
Has anybody made any progress on "Bug 188261 - [xen] FreeBSD DomU PVHVM guests cannot 'route' traffic for other Xen PV guests on same Dom0 Host." (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188261)? The code for checksum calculation in the function xnb_add_mbuf_cksum() looks suspect.