From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45491) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SBh9O-00022x-SN for qemu-devel@nongnu.org; Sun, 25 Mar 2012 02:42:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SBh9M-0004Tt-Mf for qemu-devel@nongnu.org; Sun, 25 Mar 2012 02:42:02 -0400 Received: from chello084112167138.7.11.vie.surfer.at ([84.112.167.138]:53329 helo=wiesinger.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SBh9M-0004Ku-5e for qemu-devel@nongnu.org; Sun, 25 Mar 2012 02:42:00 -0400 Message-ID: <4F6EBDAD.8050408@wiesinger.com> Date: Sun, 25 Mar 2012 08:39:41 +0200 From: Gerhard Wiesinger MIME-Version: 1.0 References: <1331845748-6026-1-git-send-email-dmitry.fleytman@ravellosystems.com> <4F659CD2.5040806@wiesinger.com> <4F67880B.50502@wiesinger.com> <4F697C56.4060702@wiesinger.com> In-Reply-To: <4F697C56.4060702@wiesinger.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v4 0/9] VMXNET3 paravirtual NIC device implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Dmitry Fleytman Cc: Anthony Liguori , Alex Fishman , "Michael S. Tsirkin" , yvugenfi@redhat.com, Izik Eidus , qemu-devel@nongnu.org Hello Dmitry, Tried it also on qemu, without success. Same behavior. I sniffed also with tcpdump: ICMP traffic is dumped immediately but TCP traffic not. Looks like a TCP problem. For config and other details see below. Ciao, Gerhard On 21.03.2012 07:59, Gerhard Wiesinger wrote: > On 20.03.2012 09:00, Dmitry Fleytman wrote: >> Hello, Gerhard >> >> I've tested telnet connections on Knoppix running on QEMU-KVM with >> patch V5. >> Everything works fine on my setup. >> What is your network setup? How do you connect tap1 interface to the >> outer world? > > Hello Dmitry , > > Did you also test with tap? > > As patch V2 (i think it was that version) worked well but was not > stable I'm guessing that there might be some other problems: > 1.) tap interface? > 2.) TCP offload checksumming (as far as I saw I think there were some > changes). > > Same command line with pcnet is also ok (changed only interface card). > My network setup for testing several adapters is stable since about > one year. > /root/download/qemu/git/qemu-kvm/x86_64-softmmu/qemu-system-x86_64 > -drive > if=ide,index=3,media=cdrom,file=ISO/KNOPPIX_V6.7.1CD-2011-09-14-DE.iso > -boot order=cad,menu=on -m 2048 -k de -vga vmware -vnc :0 > -bios /root/download/seabios/git/seabios/out/bios.bin > -chardev stdio,id=seabios -device > isa-debugcon,iobase=0x402,chardev=seabios > -device pcnet,mac=1a:46:0b:ca:bc:7e,vlan=1,romfile= > -net tap,ifname=tap1,script=no,downscript=no,vlan=1 > > > I use a bridge on eth0 and connect the tap interfaces: > brctl show > bridge name bridge id STP enabled interfaces > br0 8000.001fc689da45 no eth0 > tap0 > tap1 > > >> >> Also, since you have ping failure to init MSI-X is not related to the >> problem - device just falls back to MSI interrupts, >> but anyway, why does it fail? Could it be some QEMU/KVM versions >> incompartibility? > > Don't know why it fails. I'm using latest git QEMU/KVM version. > > Will try it on qemu only today in the evening. > > Thnx. > > Ciao, > Gerhard >> >> Best regards, >> Dmitry Fleytman. >> >> On Mon, Mar 19, 2012 at 9:24 PM, Gerhard >> Wiesinger wrote: >>> Hello Dmitry, >>> >>> Tried also v5 patch without success: >>> /root/download/qemu/git/qemu-kvm/x86_64-softmmu/qemu-system-x86_64 >>> -drive >>> if=ide,index=3,media=cdrom,file=ISO/KNOPPIX_V6.7.1CD-2011-09-14-DE.iso >>> -boot order=cad,menu=on >>> -m 2048 -k de -vga vmware -vnc :0 >>> -bios /root/download/seabios/git/seabios/out/bios.bin >>> -chardev stdio,id=seabios -device >>> isa-debugcon,iobase=0x402,chardev=seabios >>> -device vmxnet3,mac=1a:46:0b:ca:bc:7e,vlan=1,romfile= >>> -net tap,ifname=tap1,script=no,downscript=no,vlan=1 >>> >>> ping ok, but outside tcp communication fails: >>> # timeout Knoppix => outside >>> telnet 192.168.0.2 22 >>> # timeout outside => Knoppix failes >>> telnet 192.168.0.30 22 >>> >>> RTL8139 with same command line is ok. >>> >>> Maybe that helps directly at startup: >>> kvm_msix_vector_add: kvm_add_msix failed: No space left on device >>> [vmxnet3][WR][vmxnet3_use_msix_vectors]: Failed to use MSI-X vector >>> 9, error >>> -28 >>> [vmxnet3][WR][vmxnet3_init_msix]: Failed to use MSI-X vectors, error 0 >>> [vmxnet3][WR][vmxnet3_pci_init]: Failed to initialize MSI-X, >>> configuration >>> is inconsistent. >>> [vmxnet3][WR][vmxnet3_peer_has_vnet_hdr]: Peer has no virtio >>> extension. Task >>> offloads will be emulated. >>> >>> I'm using git qemu-kvm and not git qemu. >>> >>> Thnx. >>> >>> Ciao, >>> Gerhard >>> >>> >>> On 18.03.2012 16:30, Dmitry Fleytman wrote: >>>> Hello, Gerhard >>>> >>>> I've rechecked SSH connection both incoming and outgoing with patch >>>> v5. >>>> Everything works fine. >>>> If you still see problems, please, provide your exact configuration. >>>> >>>> Thanking you for your support, >>>> Dmitry Fleytman. >>>> >>>> >>>> On Sun, Mar 18, 2012 at 10:29 AM, Gerhard Wiesinger >>>> wrote: >>>>> Hello, >>>>> >>>>> I'm still having problems with v4 patch: ping works well, even >>>>> with large >>>>> packet sizes but ssh doesn't work at all. >>>>> Tested with Knoppix 6.7 and Fedora 16. >>>>> >>>>> Thnx. >>>>> >>>>> Ciao, >>>>> Gerhard >>>>> >>>>> >>>>> On 15.03.2012 22:08, Dmitry Fleytman wrote: >>>>>> This set of patches implements VMWare VMXNET3 paravirtual NIC >>>>>> device. >>>>>> The device supports of all the device features including offload >>>>>> capabilties, >>>>>> VLANs and etc. >>>>>> The device is tested on different OSes: >>>>>> Fedora 15 >>>>>> Ubuntu 10.4 >>>>>> Centos 6.2 >>>>>> Windows 2008R2 >>>>>> Windows 2008 64bit >>>>>> Windows 2008 32bit >>>>>> Windows 2003 64bit >>>>>> Windows 2003 32bit >>>>>> >>>>>> Changes in V4: >>>>>> Fixed a few problems uncovered by NETIO test suit >>>>>> Assertion on failure to initialize MSI/MSI-X replaced with >>>>>> warning >>>>>> message and fallback to Legacy/MSI respectively >>>>>> >>>>>> Reported-by: Gerhard Wiesinger >>>>>> >>>>>> Various coding style adjustments and patch split-up as >>>>>> suggested by >>>>>> Anthony Liguori >>>>>> >>>>>> Reported-by: Anthony Liguori >>>>>> >>>>>> Live migration support added >>>>>> >>>>>> Changes in V3: >>>>>> Fixed crash when net device that is used as network fronted >>>>>> has no >>>>>> virtio HDR support. >>>>>> Task offloads emulation for cases when net device that is >>>>>> used as >>>>>> network fronted has no virtio HDR support. >>>>>> >>>>>> Reported-by: Gerhard Wiesinger >>>>>> >>>>>> Changes in V2: >>>>>> License text changed accoring to community suggestions >>>>>> Standard license header from GPLv2+ - licensed QEMU files used >>>>>> >>>>>> Dmitry Fleytman (9): >>>>>> Adding missing flag VIRTIO_NET_HDR_F_DATA_VALID from Linux kernel >>>>>> source tre Reformatting comments according to checkpatch.pl >>>>>> requirements >>>>>> Adding utility function net_checksum_add_cont() that allows >>>>>> checksum >>>>>> calculation of scattered data with odd chunk sizes >>>>>> Adding utility function iov_net_csum_add() for iovec checksum >>>>>> calculation >>>>>> MSI-X state save/load invocations moved to PCI Device save/load >>>>>> callbacks to avoid code duplication in MSI-X-enabled >>>>>> devices >>>>>> that support live migration >>>>>> Header with various utility functions shared by VMWARE SCSI and >>>>>> network devi >>>>>> Various utility functions used by VMWARE network devices >>>>>> Packet abstraction used by VMWARE network devices >>>>>> VMXNET3 paravirtual device implementation >>>>>> VMXNET3 paravirtualized device integration. Interface type >>>>>> "vmxnet3" added. >>>>>> >>>>>> Makefile.objs | 1 + >>>>>> default-configs/pci.mak | 1 + >>>>>> hw/pci.c | 7 + >>>>>> hw/pci.h | 1 + >>>>>> hw/virtio-net.h | 13 +- >>>>>> hw/virtio-pci.c | 2 - >>>>>> hw/vmware_utils.h | 122 +++ >>>>>> hw/vmxnet3.c | 2435 >>>>>> +++++++++++++++++++++++++++++++++++++++++++++++ >>>>>> hw/vmxnet3.h | 757 +++++++++++++++ >>>>>> hw/vmxnet_debug.h | 121 +++ >>>>>> hw/vmxnet_pkt.c | 1243 ++++++++++++++++++++++++ >>>>>> hw/vmxnet_pkt.h | 479 ++++++++++ >>>>>> hw/vmxnet_utils.c | 165 ++++ >>>>>> hw/vmxnet_utils.h | 320 +++++++ >>>>>> iov.c | 29 + >>>>>> iov.h | 3 + >>>>>> net.c | 2 +- >>>>>> net/checksum.c | 13 +- >>>>>> net/checksum.h | 14 +- >>>>>> 19 files changed, 5712 insertions(+), 16 deletions(-) >>>>>> create mode 100644 hw/vmware_utils.h >>>>>> create mode 100644 hw/vmxnet3.c >>>>>> create mode 100644 hw/vmxnet3.h >>>>>> create mode 100644 hw/vmxnet_debug.h >>>>>> create mode 100644 hw/vmxnet_pkt.c >>>>>> create mode 100644 hw/vmxnet_pkt.h >>>>>> create mode 100644 hw/vmxnet_utils.c >>>>>> create mode 100644 hw/vmxnet_utils.h >>>>>> > >