> -----Original Message----- > From: Fan Du [mailto:fengyuleidian0...@gmail.com] > Sent: Wednesday, January 21, 2015 9:20 PM > To: Skidmore, Donald C > Cc: e1000-devel@lists.sourceforge.net > Subject: Re: [E1000-devel] UDP RSS for fragmented packet > > 于 2015年01月22日 01:34, Skidmore, Donald C 写道: > > Hey Fan, > > > > The issue is with our HW RSS doesn't work with frag packets. Sorry. > > Thanks for replying... > One more question, how does HW choose queue for frag UDP packets, > random chosen? or perform RSS only with SRC/DST ip?
RSS should be able to identify the packet as an IP packet and apply the hash to that. Is that not what you are seeing? > > > > > Thanks, > > -Don Skidmore <donald.c.skidm...@intel.com> > > > >> -----Original Message----- > >> From: Fan Du [mailto:fengyuleidian0...@gmail.com] > >> Sent: Wednesday, January 21, 2015 12:02 AM > >> To: e1000-devel@lists.sourceforge.net > >> Subject: [E1000-devel] UDP RSS for fragmented packet > >> > >> Hi > >> > >> On my testbed/82599EB, a sender generated below packet pattern: > >> Packet1: { IP fragment1 }{ UDP HDR }{ UDP payload part1 } > >> Packet2: { IP fragment2 }{ UDP payload part2 } > >> > >> Packet1 and Packet2 should assemble into a single user level packet. > >> The sender can build multiple flows using above packet theme. > >> On receive side, after turning on UDP RSS, it seems all received > >> packets for different flows hit on the exactly same queue. > >> > >> Just wondering, the NIC is designed to not cover above scenario or I > >> missed some other configuration? > >> > >> IOW, the NIC did assemble Packet1 and Packet2 first and then perform > >> UDP RSS, if my understanding correct? > >> > >> > >> -- > >> No zuo no die but I have to try. > >> > >> --------------------------------------------------------------------- > >> --------- New Year. New Location. New Benefits. New Data Center in > >> Ashburn, VA. > >> GigeNET is offering a free month of service with a new server in Ashburn. > >> Choose from 2 high performing configs, both with 100TB of bandwidth. > >> Higher redundancy.Lower latency.Increased capacity.Completely > compliant. > >> http://p.sf.net/sfu/gigenet > >> _______________________________________________ > >> E1000-devel mailing list > >> E1000-devel@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/e1000-devel > >> To learn more about Intel® Ethernet, visit > >> http://communities.intel.com/community/wired > > > -- > No zuo no die but I have to try. ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
