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* [spp] [PATCH 28/28] docs: clean up spp_vf documents
@ 2018-02-05  2:47 ogawa.yasufumi
  0 siblings, 0 replies; only message in thread
From: ogawa.yasufumi @ 2018-02-05  2:47 UTC (permalink / raw)
  To: ferruh.yigit, spp, nakamura.hiroyuki; +Cc: Yasufumi Ogawa

From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>

Remove all of markdown and svg files included in docs/spp_vf/ which are
required no longer.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/spp_vf/config_manual.md      |  100 --
 docs/spp_vf/how_to_use.md         |  128 --
 docs/spp_vf/sample_usage.md       |  178 ---
 docs/spp_vf/setup_guide.md        |  262 ----
 docs/spp_vf/spp_sample_config.svg | 1891 ----------------------
 docs/spp_vf/spp_sample_usage.svg  | 3144 -------------------------------------
 docs/spp_vf/spp_vf.md             |  332 ----
 docs/spp_vf/spp_vf_overview.svg   | 1932 -----------------------
 8 files changed, 7967 deletions(-)
 delete mode 100644 docs/spp_vf/config_manual.md
 delete mode 100644 docs/spp_vf/how_to_use.md
 delete mode 100644 docs/spp_vf/sample_usage.md
 delete mode 100644 docs/spp_vf/setup_guide.md
 delete mode 100644 docs/spp_vf/spp_sample_config.svg
 delete mode 100644 docs/spp_vf/spp_sample_usage.svg
 delete mode 100644 docs/spp_vf/spp_vf.md
 delete mode 100644 docs/spp_vf/spp_vf_overview.svg

diff --git a/docs/spp_vf/config_manual.md b/docs/spp_vf/config_manual.md
deleted file mode 100644
index 656bd88..0000000
--- a/docs/spp_vf/config_manual.md
+++ /dev/null
@@ -1,100 +0,0 @@
-# SPP_VF Config Manual
-
-## Forwarder Type
-
-There are three types of forwarder for 1:1, 1:N and N:1.
-
-  * forward: 1:1
-  * classifier_mac: 1:N (Destination is determined by MAC address)
-  * merge: N:1
-
-### Restrictions
-
-  * Different types of forwarder cannot assing on same core.
-  * Only one classifier_mac is allowed (Cannot use two or more).
-
-## Port Type
-
-There are three port types.
-
-  * phy: Physical NIC
-  * vhost: Vhost PMD for VMs
-  * ring: Ring PMD for spp components
-
-Each of ports is identified as resource ID with port type and resource ID.
-For example, resource ID of physical NIC of ID 0 is described as `phy:0`.
-
-## Config Format
-
-Config files is described in JSON format.
-Config file consists of `vfs` and defines the spp_vf attribute.
-
-### Attributes in Config
-
-  * vfs
-    * name: Name of the configuration. Please set user as desired.
-    * num_vhost: Number of vhosts spp_vf use.
-    * num_ring: Number of rings spp_vf use.
-    * functions: List of forwarders and its attributes (function means a forwarder).
-      * core: Core ID forwarder running on.
-      * type: Forwarder type (`forward`, `classifier_mac`, or `merger`).
-      * rx_port: Resource ID(s) of rx port.
-      * tx_port: Resource ID(s) of tx port.
-
-## Sample Config
-
-Here is default config `spp.json` and network diagram of it.
-
-```json
-{
-  "vfs": [
-    {
-      "name": "vf0",
-      "num_vhost": 2,
-      "num_ring": 4,
-      "functions":[
-        {
-          "core": 2,
-          "type": "classifier_mac",
-          "rx_port": "phy:0",
-          "tx_port": ["ring:0", "ring:1"]
-        },
-        {
-          "core": 3,
-          "type": "merge",
-          "rx_port": ["ring:2", "ring:3"],
-          "tx_port": "phy:0"
-        },
-        {
-          "core": 4,
-          "type": "forward",
-          "rx_port": "ring:0",
-          "tx_port": "vhost:0"
-        },
-        {
-          "core": 5,
-          "type": "forward",
-          "rx_port": "ring:1",
-          "tx_port": "vhost:1"
-        },
-        {
-          "core": 6,
-          "type": "forward",
-          "rx_port": "vhost:0",
-          "tx_port": "ring:2"
-        },
-        {
-          "core": 7,
-          "type": "forward",
-          "rx_port": "vhost:1",
-          "tx_port": "ring:3"
-        }
-      ]
-    }
-  ]
-}
-```
-
-Network diagram
-
-![spp_sample_config](spp_sample_config.svg)
diff --git a/docs/spp_vf/how_to_use.md b/docs/spp_vf/how_to_use.md
deleted file mode 100644
index 3d3e85a..0000000
--- a/docs/spp_vf/how_to_use.md
+++ /dev/null
@@ -1,128 +0,0 @@
-# How to Use SPP_VF
-
-## SPP_VF
-
-SPP_VF is a SR-IOV like network functionality for NFV.
-
-![spp_vf_overview](spp_vf_overview.svg)
-
-## Environment
-
-* Ubuntu 16.04
-* qemu-kvm 2.7 or later
-* DPDK v17.05 or later
-
-## Launch SPP
-
-Before launching spp, you need to setup described as [setup guide](setup_guide.md).
-
-### SPP Controller
-
-First, run SPP Controller with port numbers for spp primary and secondary.
-
-```sh
-$ python ./src/spp_vf.py -p 5555 -s 6666
-```
-
-### SPP Primary
-
-SPP primary reserves and manages resources for secondary processes.
-You have to run it before secondaries.
-
-SPP primary has two kinds of options, dpdk and spp.
-Option of dpdk is before `--`, option of spp is after `--`.
-
-Option of dpdk are refer to [dpdk documentation](http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#running-a-sample-application).
-
-Options of spp primary are
-  * -p : port mask
-  * -n : number of rings
-  * -s : ip addr and port of spp primary
-
-```sh
-$ sudo ./src/primary/x86_64-native-linuxapp-gcc/spp_primary \
--c 0x02 -n 4 --socket-mem 512,512 \
---huge-dir=/run/hugepages/kvm \
---proc-type=primary \
--- -p 0x03 -n 9 -s 127.0.0.1:5555
-```
-
-### SPP Secondary
-
-In `spp_vf`, spp secondary processes are launched by single command.
-
-`spp_vf` has two kinds of options as well as spp primary.
-
-Option of dpdk are refer to [dpdk documentation](http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#running-a-sample-application).
-
-Options of `spp_vf` are
-  * --client-id    : client id
-  * --config       : config file path
-  * -s             : Port for ip addr and spp secondary
-  * --vhost-client : vhost-user client enable setting
-
-Core assingment and network configuration are defined
-in JSON formatted config file.
-If you run `spp_vf` without giving config file, it refers default
-config file (/usr/local/etc/spp/spp.json).
-
-```sh
-$ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
--c 0x3ffd -n 4 --proc-type=secondary \
--- --client-id 1 -s 127.0.0.1:6666 --vhost-client
-```
-
-`--vhost-client` option is used when SPP is a client of vhost-user.
-By choosing not to use `--vhost-client` option,
-It may be possible to use SPP even in qemu (before 2.7 version)
-which can not be used as a vhost-user server.
-
-```sh
-$ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
--c 0x3ffd -n 4 --proc-type=secondary \
--- --client-id 1 -s 127.0.0.1:6666
-```
-
-You can also indicate which of config you use explicitly with
-`--config` option as following example.
-Please refer to sample config files in test/spp_config/spp_config.
-
-[NOTE] Core mask should be changed to correspond with core assingment
-defined in each of config files.
-
-```sh
-$ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
--c 0x3ffd -n 4 --proc-type=secondary \
--- --client-id 1 --config /path/to/config/spp_vf1.json \
--s 127.0.0.1:6666 --vhost-client
-```
-
-### VM
-
-Launch VMs with `virsh` command.
-
-```sh
-$ virsh start [VM]
-```
-
-### Additional Network Configurations
-
-To enable processes running on the VM to communicate through spp,
-it is required additional network configurations on host and guest VMs.
-
-#### Guest VMs
-
-```sh
-# Interface for vhost
-$ sudo ifconfig [IF_NAME] inet [IP_ADDR] netmask [NETMASK] up
-
-# Disable offload for vhost interface
-$ sudo ethtool -K [IF_NAME] tx off
-```
-
-#### Host2
-
-```sh
-# Disable offload for VM interface
-$ ethtool -K [IF_NAME] tx off
-```
diff --git a/docs/spp_vf/sample_usage.md b/docs/spp_vf/sample_usage.md
deleted file mode 100644
index 47abbec..0000000
--- a/docs/spp_vf/sample_usage.md
+++ /dev/null
@@ -1,178 +0,0 @@
-# SPP_VF Sample Usage
-
-This sample demonstrates an use-case of MAC address classification of
-spp_vf.
-It enables to access to VMs with ssh from a remote node.
-
-Before trying this sample, install SPP by following
-[setup guide](setup_guide.md).
-
-![spp_sample_usage](spp_sample_usage.svg)
-
-## Testing Steps
-
-In this section, you configure spp_vf and client applications for
-this use-case.
-
-
-### Setup SPP
-
-First, launch spp controller and primary process.
-
-  ```sh
-  $ pwd
-  /path/to/Soft-Patch-Panel
-
-  # SPP controller
-  $ python ./src/spp_vf.py -p 5555 -s 6666
-
-  # SPP primary
-  $ sudo ./src/primary/x86_64-native-linuxapp-gcc/spp_primary \
-  -c 0x02 -n 4 --socket-mem 512,512 --huge-dir=/run/hugepages/kvm \
-  --proc-type=primary \
-  -- \
-  -p 0x03 -n 8 -s 127.0.0.1:5555
-  ```
-
-launch secondary process after launch primary process.
-
-  ```sh
-  # start secondary 1
-  $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
-  -c 0x00fd -n 4 --proc-type=secondary \
-  -- \
-  --client-id 1 \
-  --config /path/to/spp_vf1_without_cmtab.json \
-  -s 127.0.0.1:11111 \
-  --vhost-client
-
-  # start secondary 2
-  $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
-  -c 0x3f01 -n 4 --proc-type=secondary \
-  -- \
-  --client-id 2 \
-  --config /path/to/spp_vf2_without_cmtab.json \
-  -s 127.0.0.1:11112 \
-  --vhost-client
-  ```
-
-### Setup network configuration for VMs
-
-Start two VMs.
-
-  ```sh
-  $ virsh start spp-vm1
-  $ virsh start spp-vm2
-  ```
-
-Login to spp-vm1 for network configuration.
-To not ask for unknown keys while login VMs,
-set `-oStrictHostKeyChecking=no` option for ssh.
-
-  ```sh
-  $ ssh -oStrictHostKeyChecking=no sppuser@192.168.122.31
-  ```
-
-Up interfaces for vhost inside spp-vm1.
-In addition, you have to disable TCP offload function, or ssh is faled
-after configuration is done.
-
-  ```sh
-  # up interfaces
-  $ sudo ifconfig ens4 inet 192.168.140.21 netmask 255.255.255.0 up
-  $ sudo ifconfig ens5 inet 192.168.150.22 netmask 255.255.255.0 up
-
-  # diable TCP offload
-  $ sudo ethtool -K ens4 tx off
-  $ sudo ethtool -K ens5 tx off
-  ```
-
-Configurations for spp-vm2 is same as spp-vm1.
-
-  ```sh
-  $ ssh -oStrictHostKeyChecking=no sppuser@192.168.122.32
-
-  # up interfaces
-  $ sudo ifconfig ens4 inet 192.168.140.31 netmask 255.255.255.0 up
-  $ sudo ifconfig ens5 inet 192.168.150.32 netmask 255.255.255.0 up
-
-  # diable TCP offload
-  $ sudo ethtool -K ens4 tx off
-  $ sudo ethtool -K ens5 tx off
-  ```
-
-## Test Application
-
-### Register MAC address to Classifier
-
-Register MAC addresses to classifier.
-
-  ```sh
-  spp > classifier_table mac 52:54:00:12:34:56 ring:0
-  spp > classifier_table mac 52:54:00:12:34:58 ring:1
-  spp > flush
-  ```
-
-  ```sh
-  spp > classifier_table mac 52:54:00:12:34:57 ring:4
-  spp > classifier_table mac 52:54:00:12:34:59 ring:5
-  spp > flush
-  ```
-
-### Login to VMs
-
-Now, you can login VMs.
-
-  ```sh
-  # spp-vm1 via NIC0
-  $ ssh sppuser@192.168.140.21
-
-  # spp-vm1 via NIC1
-  $ ssh sppuser@192.168.150.22
-
-  # spp-vm2 via NIC0
-  $ ssh sppuser@192.168.140.31
-
-  # spp-vm2 via NIC1
-  $ ssh sppuser@192.168.150.32
-  ```
-
-## End Application
-
-Describe the procedure to end the application.
-
-### Remove MAC address from Classifier
-
-It is possible to remove the MAC address set by inputting the following
-command from `spp_vf.py` which was started with `Setup SPP`.
-The flush command is required to reflect the setting.
-
-  ```sh
-  spp > classifier_table mac 52:54:00:12:34:56 unuse
-  spp > classifier_table mac 52:54:00:12:34:58 unuse
-
-  spp > classifier_table mac 52:54:00:12:34:57 unuse
-  spp > classifier_table mac 52:54:00:12:34:59 unuse
-
-  spp > flush
-  ```
-
-### Teardown SPP
-
-Tear down SPP in the reverse order of Setup.
-To stop other than spp_vf.py, press Ctrl + C on the launched screen.
-spp_vf.py can be stopped by the bye command.
-
-  ```sh
-  # stop secondary 2
-  Ctrl + C
-
-  # stop secondary 1
-  Ctrl + C
-
-  # stop primary
-  Ctrl + C
-
-  # stop controller
-  spp > bye
-  ```
diff --git a/docs/spp_vf/setup_guide.md b/docs/spp_vf/setup_guide.md
deleted file mode 100644
index a20ae90..0000000
--- a/docs/spp_vf/setup_guide.md
+++ /dev/null
@@ -1,262 +0,0 @@
-# Setup Guide
-
-## Environment
-
-* Ubuntu 16.04
-* qemu-kvm 2.7 or later
-* DPDK v17.05 or later
-
-## Setting
-
-### Host
-
-#### Edit Config
-
-Uncomment user and group in `/etc/libvirt/qemu.conf`.
-
-```sh
-# /etc/libvirt/qemu.conf
-
-user = "root"
-group = "root"
-```
-
-Change `KVM_HUGEPAGES` from 0 to 1 in `/etc/default/qemu-kvm`.
-
-```sh
-# /etc/default/qemu-kvm
-
-KVM_HUGEPAGES=1
-```
-
-Change grub config for hugepages and isolcpus.
-
-```sh
-# /etc/default/grub
-
-GRUB_CMDLINE_LINUX_DEFAULT="isolcpus=2,4,6,8,10,12-18,20,22,24,26-42,44,46 hugepagesz=1G hugepages=36 default_hugepagesz=1G"
-```
-
-For hugepages, isolcpus, refer to the dpdk documentation below.
-* [Use of Hugepages in the Linux Environment](http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html#running-dpdk-applications)
-* [Using Linux Core Isolation to Reduce Context Switches](http://dpdk.org/doc/guides/linux_gsg/enable_func.html#using-linux-core-isolation-to-reduce-context-switches)
-* [Linux boot command line](http://dpdk.org/doc/guides/linux_gsg/nic_perf_intel_platform.html#linux-boot-command-line)
-
-You need to run `update-grub` and reboot to activate grub config.
-
-```sh
-$ sudo upadte-grub
-$ sudo reboot
-```
-
-You can check hugepage settings as following.
-
-```sh
-$ cat /proc/meminfo | grep -i huge
-AnonHugePages:      2048 kB
-HugePages_Total:      36		#	/etc/default/grub
-HugePages_Free:       36
-HugePages_Rsvd:        0
-HugePages_Surp:        0
-Hugepagesize:    1048576 kB		#	/etc/default/grub
-
-$ mount | grep -i huge
-cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb,nsroot=/)
-hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
-hugetlbfs-kvm on /run/hugepages/kvm type hugetlbfs (rw,relatime,mode=775,gid=117)
-hugetlb on /run/lxcfs/controllers/hugetlb type cgroup (rw,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb,nsroot=/)
-```
-
-Finally, you unmount default hugepage.
-
-```sh
-$ sudo unmount /dev/hugepages
-```
-
-#### Install jansson
-
-Network configuration is defined in JSON and `spp_vf` reads config from
-the file while launching.
-[jasson](http://www.digip.org/jansson/) is a JSON library written in C.
-
-Install the -dev package.
-
-```sh
-$ sudo apt-get install libjansson-dev
-```
-
-#### Install DPDK
-
-Install DPDK in any directory. This is a simple instruction and please refer
-[Getting Started Guide for Linux](http://dpdk.org/doc/guides/linux_gsg/index.html)
-for details.
-
-```sh
-$ cd /path/to/any_dir
-$ git clone http://dpdk.org/git/dpdk
-$ cd dpdk
-$ git checkout [TAG_NAME(e.g. v17.05)]
-$ export RTE_SDK=`pwd`
-$ export RTE_TARGET=x86_64-native-linuxapp-gcc
-$ make T=x86_64-native-linuxapp-gcc install
-```
-
-#### Install SPP
-
-Clone SPP in any directory and compile it.
-
-```sh
-$ cd /path/to/spp_home/
-$ git clone https://github.com/ntt-ns/Soft-Patch-Panel.git
-export SPP_HOME=/path/to/spp_home/Soft-Patch-Panel
-$ cd $SPP_HOME
-$ make
-```
-
-#### Setup for DPDK
-
-Load igb_uio module.
-
-```sh
-$ sudo modprobe uio
-$ sudo insmod $RTE_SDK/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
-$ lsmod | grep uio
-igb_uio                16384  0  # igb_uio is loaded
-uio                    20480  1 igb_uio
-```
-
-Then, bind it with PCI_Number.
-```sh
-$ $RTE_SDK/usertools/dpdk-devbind.py --status
-# check your device for PCI_Number
-
-$ sudo $RTE_SDK/usertools/dpdk-devbind.py --bind=igb_uio [PCI_Number]
-```
-
-#### virsh setup
-
-Edit VM configuration with virsh.
-
-```sh
-$ virsh edit [VM_NAME]
-```
-
-```xml
-<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
-	  <name>spp-vm1</name>
-	  <uuid>d90f5420-861a-4479-8559-62d7a1545cb9</uuid>
-	  <memory unit='KiB'>4194304</memory>
-	  <currentMemory unit='KiB'>4194304</currentMemory>
-	  <memoryBacking>
-	    <hugepages/>
-	  </memoryBacking>
-	  <vcpu placement='static'>4</vcpu>
-	  <os>
-	    <type arch='x86_64' machine='pc-i440fx-2.3'>hvm</type>
-	    <boot dev='hd'/>
-	  </os>
-	  <features>
-	    <acpi/>
-	    <apic/>
-	    <pae/>
-	  </features>
-	  <clock offset='utc'/>
-	  <on_poweroff>destroy</on_poweroff>
-	  <on_reboot>restart</on_reboot>
-	  <on_crash>restart</on_crash>
-	  <devices>
-	    <emulator>/usr/local/bin/qemu-system-x86_64</emulator>
-	    <disk type='file' device='disk'>
-	      <driver name='qemu' type='raw'/>
-	      <source file='/var/lib/libvirt/images/spp-vm1.qcow2'/>
-	      <target dev='hda' bus='ide'/>
-	      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
-	    </disk>
-	    <disk type='block' device='cdrom'>
-	      <driver name='qemu' type='raw'/>
-	      <target dev='hdc' bus='ide'/>
-	      <readonly/>
-	      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
-	    </disk>
-	    <controller type='usb' index='0'>
-	      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
-	    </controller>
-	    <controller type='pci' index='0' model='pci-root'/>
-	    <controller type='ide' index='0'>
-	      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
-	    </controller>
-	    <interface type='network'>
-	      <mac address='52:54:00:99:aa:7f'/>
-	      <source network='default'/>
-	      <model type='rtl8139'/>
-	      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
-	    </interface>
-	    <serial type='pty'>
-	      <target type='isa-serial' port='0'/>
-	    </serial>
-	    <console type='pty'>
-	      <target type='serial' port='0'/>
-	    </console>
-	    <memballoon model='virtio'>
-	      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
-	    </memballoon>
-	  </devices>
-	  <qemu:commandline>
-	    <qemu:arg value='-cpu'/>
-	    <qemu:arg value='host'/>
-	    <qemu:arg value='-object'/>
-	    <qemu:arg value='memory-backend-file,id=mem,size=4096M,mem-path=/run/hugepages/kvm,share=on'/>
-	    <qemu:arg value='-numa'/>
-	    <qemu:arg value='node,memdev=mem'/>
-	    <qemu:arg value='-mem-prealloc'/>
-	    <qemu:arg value='-chardev'/>
-	    <qemu:arg value='socket,id=chr0,path=/tmp/sock0,server'/>
-	    <qemu:arg value='-device'/>
-	    <qemu:arg value='virtio-net-pci,netdev=vhost-net0,mac=52:54:00:12:34:56'/>
-	    <qemu:arg value='-netdev'/>
-	    <qemu:arg value='vhost-user,id=vhost-net0,chardev=chr0,vhostforce'/>
-	    <qemu:arg value='-chardev'/>
-	    <qemu:arg value='socket,id=chr1,path=/tmp/sock1,server'/>
-	    <qemu:arg value='-device'/>
-	    <qemu:arg value='virtio-net-pci,netdev=vhost-net1,mac=52:54:00:12:34:57'/>
-	    <qemu:arg value='-netdev'/>
-	    <qemu:arg value='vhost-user,id=vhost-net1,chardev=chr1,vhostforce'/>
-	  </qemu:commandline>
-	</domain>
-```
-
-### Trouble Shooting
-
-You might encounter a permission error for `tmp/sockN` because of appamor.
-In this case, you should try it.
-
-```sh
-$ sudo ln -s /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper /etc/apparmor.d/disable/usr.lib.libvirt.virt-aa-helper
-$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/usr.sbin.libvirtd
-$ sudo apparmor_parser -R /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper
-$ sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.libvirtd
-$ sudo service apparmor reload
-$ sudo service apparmor restart
-$ sudo service libvirt-bin restart
-```
-
-Or, you remove appamor.
-
-```sh
-$ sudo apt-get remove apparmor
-```
-
-If you use CentOS, not Ubuntu, confirm that SELinux doesn't prevent for permission.
-SELinux should be disabled in this case.
-
-```sh
-# /etc/selinux/config
-SELINUX=disabled
-```
-
-Check your SELinux configuration.
-
-```sh
-$ getenforce
-Disabled
-```
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diff --git a/docs/spp_vf/spp_vf.md b/docs/spp_vf/spp_vf.md
deleted file mode 100644
index d3fad57..0000000
--- a/docs/spp_vf/spp_vf.md
+++ /dev/null
@@ -1,332 +0,0 @@
-# SPP_VF
-
-SPP_VF is a SR-IOV like network functionality using DPDK for NFV.
-
-## Overview
-
-The application distributes incoming packets referring virtual MAC
-address similar to SR-IOV functionality.
-Network configuration is defined in JSON config file which is imported
-while launching the application.
-The configuration is able to change after initialization by sending
-commnad from spp controller.
-
-SPP_VF is a multi-thread application.
-It consists of manager thread and forwarder threads.
-There are three types of forwarder for 1:1, 1:N and N:1 as following.
-
-  * forward: 1:1
-  * classifier_mac: 1:N (Destination is determined by MAC address)
-  * merge: N:1
-
-This is an example of network configration, in which one classifier_mac,
-one merger and four forwarders are runnig in SPP_VF process for two
-destinations of vhost interface.
-Incoming packets from rx on host1 are sent to each of vhosts on guest
-by looking MAC address in the packet..
-
-![spp_vf_overview](spp_vf_overview.svg)
-
-## Build the Application
-
-See [setup guide](setup_guide.md).
-
-## Running the Application
-
-See [how to use](how_to_use.md).
-
-## Sample Usage
-
-See [sample usage](sample_usage.md).
-
-## Explanation
-
-The following sections provide some explanation of the code.
-
-### Configuration
-
-The config file is imported after rte_eal_init() and initialization
-of the application.
-spp_config_load_file() is defined in spp_config.c and default file
-path SPP_CONFIG_FILE_PATH is defined in its header file..
-
-  ```c
-  /* set default config file path */
-  strcpy(config_file_path, SPP_CONFIG_FILE_PATH);
-
-  unsigned int main_lcore_id = 0xffffffff;
-  while(1) {
-	/* Parse dpdk parameters */
-	int ret_parse = parse_dpdk_args(argc, argv);
-	if (unlikely(ret_parse != 0)) {
-		break;
-	}
-
-	/* DPDK initialize */
-	int ret_dpdk = rte_eal_init(argc, argv);
-	if (unlikely(ret_dpdk < 0)) {
-		break;
-	}
-
-	/* Skip dpdk parameters */
-	argc -= ret_dpdk;
-	argv += ret_dpdk;
-
-	/* Set log level  */
-	rte_log_set_global_level(RTE_LOG_LEVEL);
-
-	/* Parse application parameters */
-	ret_parse = parse_app_args(argc, argv);
-	if (unlikely(ret_parse != 0)) {
-		break;
-	}
-
-	RTE_LOG(INFO, APP, "Load config file(%s)\n", config_file_path);
-
-	/* Load config */
-	int ret_config = spp_config_load_file(config_file_path, 0, &g_config);
-	if (unlikely(ret_config != 0)) {
-		break;
-	}
-
-	/* Get core id. */
-	main_lcore_id = rte_lcore_id();
-  ```
-
-spp_config_load_file() uses [jansson]() for parsing JSON.
-json_load_file() is a function  of jansson to parse raw JSON
-file and return json_t object as a result.
-In spp_config_load_file(), configuration of classifier table and
-resource assignment of threads are loaded into config of spp.
-
-### Forwarding
-
-SPP_VF supports three types of forwarding, for 1:1, 1:N and N:1.
-After importing config, each of forwarding threads are launched
-from`rte_eal_remote_launch()`.
-
-  ```c
-  /* spp_vf.c */
-
-	/* Start  thread */
-	unsigned int lcore_id = 0;
-	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
-		if (g_core_info[lcore_id].type == SPP_CONFIG_CLASSIFIER_MAC) {
-			rte_eal_remote_launch(spp_classifier_mac_do,
-					(void *)&g_core_info[lcore_id],
-					lcore_id);
-		} else {
-			rte_eal_remote_launch(spp_forward,
-					(void *)&g_core_info[lcore_id],
-					lcore_id);
-		}
-	}
-  ```
-
-`spp_classifier_mac_do()` is a forwarding function of 1:N defined in
-`classifier_mac.c`.
-Configuration of destination is managed as a table structured info.
-`classifier_mac_info` and `classifier_mac_mng_info` struct are for
-the purpose.
-
-TODO(yasufum) add desc for table structure and it's doubled for
-redundancy.
-
-  ```c
-  /* classifier_mac.c */
-
-  /* classifier information */
-  struct classifier_mac_info {
-	struct rte_hash *classifier_table;
-	int num_active_classified;
-	int active_classifieds[RTE_MAX_ETHPORTS];
-	int default_classified;
-  };
-
-  /* classifier management information */
-  struct classifier_mac_mng_info {
-	struct classifier_mac_info info[NUM_CLASSIFIER_MAC_INFO];
-	volatile int ref_index;
-	volatile int upd_index;
-	struct classified_data classified_data[RTE_MAX_ETHPORTS];
-  };
-  ```
-
-In `spp_classifier_mac_do()`, it receives packets from rx port and send them
-to destinations with `classify_packet()`.
-`classifier_info` is an argument of `classify_packet()` and is used to decide
-the destinations.
-
-  ```c
-  /* classifier_mac.c */
-
-	while(likely(core_info->status == SPP_CORE_IDLE) ||
-			likely(core_info->status == SPP_CORE_FORWARD)) {
-
-		while(likely(core_info->status == SPP_CORE_FORWARD)) {
-			/* change index of update side */
-			change_update_index(classifier_mng_info, lcore_id);
-
-			/* decide classifier infomation of the current cycle */
-			classifier_info = classifier_mng_info->info +
-					classifier_mng_info->ref_index;
-
-			/* drain tx packets, if buffer is not filled for interval */
-			cur_tsc = rte_rdtsc();
-			if (unlikely(cur_tsc - prev_tsc > drain_tsc)) {
-				for (i = 0; i < n_classified_data; i++) {
-					if (unlikely(classified_data[i].num_pkt != 0)) {
-						RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
-								"transimit packets (drain). "
-								"index=%d, "
-								"num_pkt=%hu, "
-								"interval=%lu\n",
-								i,
-								classified_data[i].num_pkt,
-								cur_tsc - prev_tsc);
-						transmit_packet(&classified_data[i]);
-					}
-				}
-				prev_tsc = cur_tsc;
-			}
-
-			/* retrieve packets */
-			n_rx = rte_eth_rx_burst(core_info->rx_ports[0].dpdk_port, 0,
-					rx_pkts, MAX_PKT_BURST);
-			if (unlikely(n_rx == 0))
-				continue;
-
-#ifdef SPP_RINGLATENCYSTATS_ENABLE
-			if (core_info->rx_ports[0].if_type == RING)
-				spp_ringlatencystats_calculate_latency(
-						core_info->rx_ports[0].if_no, rx_pkts, n_rx);
-#endif
-
-			/* classify and transmit (filled) */
-			classify_packet(rx_pkts, n_rx, classifier_info, classified_data);
-		}
-	}
-  ```
-
-On the other hand, `spp_forward` is for 1:1 or N:1 (called as merge)
-forwarding defined in `spp_forward.c`.
-Source and destination ports are decided from `core_info`
-and given to `set_use_interface()` in which first argment is
-destination info and second one is source.
-
-  ```c
-  /* spp_forward.c */
-
-	/* RX/TX Info setting */
-	rxtx_num = core_info->num_rx_port;
-	for (if_cnt = 0; if_cnt < rxtx_num; if_cnt++) {
-		set_use_interface(&patch[if_cnt].rx,
-				&core_info->rx_ports[if_cnt]);
-		if (core_info->type == SPP_CONFIG_FORWARD) {
-			/* FORWARD */
-			set_use_interface(&patch[if_cnt].tx,
-					&core_info->tx_ports[if_cnt]);
-		} else {
-			/* MERGE */
-			set_use_interface(&patch[if_cnt].tx,
-					&core_info->tx_ports[0]);
-		}
-	}
-  ```
-
-  After ports are decided, forwarding is executed.
-
-  ```c
-  /* spp_forward.c */
-
-	int cnt, nb_rx, nb_tx, buf;
-	struct spp_core_port_info *rx;
-	struct spp_core_port_info *tx;
-	struct rte_mbuf *bufs[MAX_PKT_BURST];
-	while (likely(core_info->status == SPP_CORE_IDLE) ||
-			likely(core_info->status == SPP_CORE_FORWARD)) {
-		while (likely(core_info->status == SPP_CORE_FORWARD)) {
-			for (cnt = 0; cnt < rxtx_num; cnt++) {
-				rx = &patch[cnt].rx;
-				tx = &patch[cnt].tx;
-
-				/* Packet receive */
-				nb_rx = rte_eth_rx_burst(rx->dpdk_port, 0, bufs, MAX_PKT_BURST);
-				if (unlikely(nb_rx == 0)) {
-					continue;
-				}
-
-#ifdef SPP_RINGLATENCYSTATS_ENABLE
-				if (rx->if_type == RING) {
-					/* Receive port is RING */
-					spp_ringlatencystats_calculate_latency(rx->if_no,
-							bufs, nb_rx);
-				}
-				if (tx->if_type == RING) {
-					/* Send port is RING */
-					spp_ringlatencystats_add_time_stamp(tx->if_no,
-							bufs, nb_rx);
-				}
-#endif /* SPP_RINGLATENCYSTATS_ENABLE */
-
-				/* Send packet */
-				nb_tx = rte_eth_tx_burst(tx->dpdk_port, 0, bufs, nb_rx);
-
-				/* Free any unsent packets. */
-				if (unlikely(nb_tx < nb_rx)) {
-					for (buf = nb_tx; buf < nb_rx; buf++) {
-						rte_pktmbuf_free(bufs[buf]);
-					}
-				}
-			}
-		}
-	}
-  ```
-
-### L2 Multicast Support
-
-Multicast for resolving ARP requests is also supported in SPP_VF.
-It is implemented as `handle_l2multicast_packet()` and called from
-`classify_packet()` for incoming multicast packets.
-
-  ```c
-  /* classify_packet() in classifier_mac.c */
-
-  /* L2 multicast(include broadcast) ? */
-  if (unlikely(is_multicast_ether_addr(&eth->d_addr))) {
-	RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
-			"multicast mac address.\n");
-	handle_l2multicast_packet(rx_pkts[i],
-			classifier_info, classified_data);
-	continue;
-  }
-  ```
-
-For distributing multicast packet, it is cloned with
-`rte_mbuf_refcnt_update()`.
-
-  ```c
-  /* classifier_mac.c */
-
-  /* handle L2 multicast(include broadcast) packet */
-  static inline void
-  handle_l2multicast_packet(struct rte_mbuf *pkt,
-		struct classifier_mac_info *classifier_info,
-		struct classified_data *classified_data)
-  {
-	int i;
-
-	if (unlikely(classifier_info->num_active_classified == 0)) {
-		RTE_LOG(ERR, SPP_CLASSIFIER_MAC, "No mac address.(l2multicast packet)\n");
-		rte_pktmbuf_free(pkt);
-		return;
-	}
-
-	rte_mbuf_refcnt_update(pkt, classifier_info->num_active_classified);
-
-	for (i= 0; i < classifier_info->num_active_classified; i++) {
-		push_packet(pkt, classified_data +
-			(long)classifier_info->active_classifieds[i]);
-	}
-  }
-  ```
diff --git a/docs/spp_vf/spp_vf_overview.svg b/docs/spp_vf/spp_vf_overview.svg
deleted file mode 100644
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2.13.1

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