From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 5DC9E2C5 for ; Thu, 18 May 2017 11:22:43 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP; 18 May 2017 02:22:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,358,1491289200"; d="scan'208";a="1131964221" Received: from unknown (HELO dpdk-fedora20.icx.intel.com) ([10.240.176.135]) by orsmga001.jf.intel.com with ESMTP; 18 May 2017 02:22:41 -0700 From: "xu,gang" To: dts@dpdk.org Cc: "xu,gang" Date: Thu, 18 May 2017 17:24:03 +0800 Message-Id: <1495099443-51344-3-git-send-email-gangx.xu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1495099443-51344-1-git-send-email-gangx.xu@intel.com> References: <1495099443-51344-1-git-send-email-gangx.xu@intel.com> Subject: [dts] [PATCH V1] add test plan pass through X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 May 2017 09:22:44 -0000 Signed-off-by: xu,gang --- test_plans/pf_pass_through_test_plan.rst | 93 ++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 test_plans/pf_pass_through_test_plan.rst diff --git a/test_plans/pf_pass_through_test_plan.rst b/test_plans/pf_pass_through_test_plan.rst new file mode 100644 index 0000000..e77d627 --- /dev/null +++ b/test_plans/pf_pass_through_test_plan.rst @@ -0,0 +1,93 @@ +.. Copyright (c) < 2017 >, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +This test suite aims to validate the scenario of PF pci pass-through to vm. +Basic RX/TX will be tested. + +Prerequisites +============= +Support i40e and ixgbe driver. + +Fortville pci does not support pci-stub driver to start VM with PF pci pass-through, +so used vfio driver. +Refer: +http://www.dpdk.org/doc/guides/rel_notes/known_issues.html#uio-pci-generic-module-bind-failed-in-x710-xl710-xxv710 +http://www.dpdk.org/doc/guides/rel_notes/known_issues.html#igb-uio-legacy-mode-can-not-be-used-in-x710-xl710-xxv710 + +Set up basic scenario: + +1. got the pci device id of DUT, for example:: + ./usertools/dpdk-devbind.py --st + 0000:85:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection' if=ens260f0 drv=ixgbe unused=igb_uio + 0000:85:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection' if=ens260f1 drv=ixgbe unused=igb_uio + +2. Detach PFs from the host, bind them to vfio-pci driver:: + modprobe vfio + modprobe vfio-pci + ./usertools/dpdk-devbind.py --bind=vfio-pci 0000:85:00.0 0000:85:00.1 + + ./usertools/dpdk-devbind.py --st + 0000:85:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection' if= drv=vfio-pci unused=ixgbe,igb_uio + 0000:85:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection' if= drv=vfio-pci unused=ixgbe,igb_uio + +It can be seen that 85:00.0 & 85:00.1 's drv is vfio-pci. + +Or using the following way:: + /sbin/modprobe vfio-pci + echo 0000:85:00.0 > /sys/bus/pci/devices/0000:85:00.0/driver/unbind + echo 0000:85:00.0 > /sys/bus/pci/drivers/vfio-pci/bind + + echo 0000:85:00.1 > /sys/bus/pci/devices/0000:85:00.1/driver/unbind + echo 0000:85:00.1 > /sys/bus/pci/drivers/vfio-pci/bind + +3. Passthrough PFs 85:00.0 & 85:00.1 to vm0 and start vm0:: + + /usr/bin/qemu-system-x86_64 -name vm0 -enable-kvm \ + -cpu host -smp 4 -m 2048 -drive file=/home/image/sriov-fc25-1.img -vnc :1 \ + -device vfio-pci,host=85:00.0,id=pt_0 \ + -device vfio-pci,host=85:00.1,id=pt_1 + +4. login vm0, got VFs pci device id in vm0, assume they are 00:04.0 & 00:05.0, +bind them to igb_uio driver:: + ./usertools/dpdk-devbind.py --bind=igb_uio 00:04.0 00:05.0 + + +5. Start testpmd with mac forward mode:: + testpmd -c 0x0f -n 4 -w 00:04.0 -w 00:05.0 -- -i --portmask=0x3 --txqflags=0 + testpmd> set fwd mac + testpmd> start + +Test Case : PF PCI pass-through +=============================== +Send 2000 random packets from tester port0 to PF0 , +verify the packets can be forward to PF1 correctly and can be recdived by tester port1. + -- 1.9.3