[spp] [PATCH 20/28] doc: fix vm setup procedure for network config

[spp] [PATCH 20/28] doc: fix vm setup procedure for network config

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Remove unnecessary procedure for checking the configuration with ssh.

Signed-off-by: Daiki Yamashita <yamashita.daiki.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/sample_usage.md | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/docs/spp_vf/sample_usage.md b/docs/spp_vf/sample_usage.md
index abab4d4..5220184 100644
--- a/docs/spp_vf/sample_usage.md
+++ b/docs/spp_vf/sample_usage.md
@@ -107,11 +107,6 @@ Configurations for spp-vm2 is same as spp-vm1.
   $ sudo ethtool -K ens5 tx off
   ```
 
-Check the configuration by trying ssh from remote machine that
-connection is accepted but discarded in spp secondary.
-If you do ssh for VM1, you find a messages from spp secondary for
-discarding packets.
-
 ## Test Application
 
 ### Register MAC address to Classifier
-- 
2.13.1

[spp] [PATCH 21/28] doc: update jansson installation procedure

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Update jansson installation procedure so as to use package
rather than to build a branch.

Signed-off-by: Daiki Yamashita <yamashita.daiki.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/setup_guide.md | 38 ++------------------------------------
 1 file changed, 2 insertions(+), 36 deletions(-)

diff --git a/docs/spp_vf/setup_guide.md b/docs/spp_vf/setup_guide.md
index db87ab8..4684cf3 100644
--- a/docs/spp_vf/setup_guide.md
+++ b/docs/spp_vf/setup_guide.md
@@ -74,44 +74,10 @@ 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.
 
-It is required to use `json_path` feature of `jasson` for `spp_vf`.
-It has develped under `json_path` branch and you need to checkout and compile
-it manually.
+Install the -dev package.
 
 ```sh
-$ git clone https://github.com/rogerz/jansson
-$ cd jansson
-$ sudo git checkout json_path
-Branch json_path set up to track remote branch json_path from origin. Switched to a new branch 'json_path'
-```
-
-This setup guide expects that `jasson` is placed as `/opt/jasson`.
-
-```sh
-$ sudo mkdir -p /opt/jansson
-$ sudo mv jansson /opt/jansson
-```
-
-Compile it as following.
-
-```sh
-$ cd /opt/jansson/jansson
-$ sudo autoreconf -i
-$ sudo ./configure
-$ sudo make
-$ sudo make install
-$ sudo ldconfig
-```
-
-Then, confirm that header files of jasson are generated in `/usr/local/include`.
-
-```sh
-$ ls -al /usr/local/include
-total 24
-drwxr-xr-x  2 root root 4096 Jul 28 16:45 .
-drwxr-xr-x 10 root root 4096 May 27 10:23 ..
--rw-r--r--  1 root root 1183 Jul 28 16:45 jansson_config.h
--rw-r--r--  1 root root 9499 Jul 28 16:45 jansson.h
+$ sudo apt-get install libjansson-dev
 ```
 
 #### Install DPDK
-- 
2.13.1

[spp] [PATCH 22/28] doc: fix required network configuration

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Remove unnecessary steps, registation to arp table,
in "additional network configurations" section in how_to_use.md.

Signed-off-by: Daiki Yamashita <yamashita.daiki.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/how_to_use.md   |  6 ------
 docs/spp_vf/sample_usage.md | 10 +---------
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/docs/spp_vf/how_to_use.md b/docs/spp_vf/how_to_use.md
index e56d5e3..dee4465 100644
--- a/docs/spp_vf/how_to_use.md
+++ b/docs/spp_vf/how_to_use.md
@@ -100,9 +100,6 @@ it is required additional network configurations on host and guest VMss.
 # Interface for vhost
 $ sudo ifconfig [IF_NAME] inet [IP_ADDR] netmask [NETMASK] up
 
-# Register host2 to arp table
-$ sudo arp -s [IP_ADDR] [MAC_ADDR] -i [IF_NAME]
-
 # Disable offload for vhost interface
 $ sudo ethtool -K [IF_NAME] tx off
 ```
@@ -110,9 +107,6 @@ $ sudo ethtool -K [IF_NAME] tx off
 #### Host2
 
 ```sh
-# Register VM to arp table
-$ sudo arp -s [IP_ADDR] [MAC_ADDR] -i [IF_NAME]
-
 # 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
index 5220184..dcc051a 100644
--- a/docs/spp_vf/sample_usage.md
+++ b/docs/spp_vf/sample_usage.md
@@ -71,7 +71,7 @@ set `-oStrictHostKeyChecking=no` option for ssh.
   $ ssh -oStrictHostKeyChecking=no sppuser@192.168.122.31
   ```
 
-Up interfaces for vhost and register them to arp table inside spp-vm1.
+Up interfaces for vhost inside spp-vm1.
 In addition, you have to disable TCP offload function, or ssh is faled
 after configuration is done.
 
@@ -80,10 +80,6 @@ after configuration is done.
   $ 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
 
-  # register to arp table
-  $ sudo arp -s 192.168.140.11 a0:36:9f:78:86:78 -i ens4
-  $ sudo arp -s 192.168.150.13 a0:36:9f:6c:ed:bc -i ens5
-
   # diable TCP offload
   $ sudo ethtool -K ens4 tx off
   $ sudo ethtool -K ens5 tx off
@@ -98,10 +94,6 @@ Configurations for spp-vm2 is same as spp-vm1.
   $ 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
 
-  # register to arp table
-  $ sudo arp -s 192.168.140.11 a0:36:9f:78:86:78 -i ens4
-  $ sudo arp -s 192.168.150.13 a0:36:9f:6c:ed:bc -i ens5
-
   # diable TCP offload
   $ sudo ethtool -K ens4 tx off
   $ sudo ethtool -K ens5 tx off
-- 
2.13.1

[spp] [PATCH 23/28] doc: add how to use vhost-user support

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

add description on how to use vhost-user client mode.
* Add information on qemu-kvm version.
* Add and explan optional parameters of spp_vf.
* Update qemu parameter for vhost. (xml set by virsh)

Signed-off-by: Kentaro Watanabe <watanabe.kentaro.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/how_to_use.md   | 24 ++++++++++++++++++++----
 docs/spp_vf/sample_usage.md | 10 ++++++----
 docs/spp_vf/setup_guide.md  | 10 +++++-----
 3 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/docs/spp_vf/how_to_use.md b/docs/spp_vf/how_to_use.md
index dee4465..32c1774 100644
--- a/docs/spp_vf/how_to_use.md
+++ b/docs/spp_vf/how_to_use.md
@@ -9,7 +9,7 @@ SPP_VF is a SR-IOV like network functionality for NFV.
 ## Environment
 
 * Ubuntu 16.04
-* qemu-kvm
+* qemu-kvm 2.7 or later
 * DPDK v17.05 or later
 
 ## Launch SPP
@@ -56,7 +56,10 @@ In `spp_vf`, spp secondary processes are launched by single command.
 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
-  * TODO
+  * --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.
@@ -65,7 +68,19 @@ config file (test/spp_config/spp_config/vf.json).
 
 ```sh
 $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
--c 0x3ffd -n 4 --proc-type=secondary
+-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
@@ -78,7 +93,8 @@ defined in each of config files.
 ```sh
 $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
 -c 0x3ffd -n 4 --proc-type=secondary \
--- --config /path/to/config/spp_vf1.json
+-- --client-id 1 --config /path/to/config/spp_vf1.json \
+-s 127.0.0.1:6666 --vhost-client
 ```
 
 ### SPP VM
diff --git a/docs/spp_vf/sample_usage.md b/docs/spp_vf/sample_usage.md
index dcc051a..47abbec 100644
--- a/docs/spp_vf/sample_usage.md
+++ b/docs/spp_vf/sample_usage.md
@@ -41,17 +41,19 @@ launch secondary process after launch primary process.
   $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
   -c 0x00fd -n 4 --proc-type=secondary \
   -- \
-  --process-id 1 \
+  --client-id 1 \
   --config /path/to/spp_vf1_without_cmtab.json \
-  -s 127.0.0.1:11111
+  -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 \
   -- \
-  --process-id 2 \
+  --client-id 2 \
   --config /path/to/spp_vf2_without_cmtab.json \
-  -s 127.0.0.1:11112
+  -s 127.0.0.1:11112 \
+  --vhost-client
   ```
 
 ### Setup network configuration for VMs
diff --git a/docs/spp_vf/setup_guide.md b/docs/spp_vf/setup_guide.md
index 4684cf3..f24e43e 100644
--- a/docs/spp_vf/setup_guide.md
+++ b/docs/spp_vf/setup_guide.md
@@ -3,7 +3,7 @@
 ## Environment
 
 * Ubuntu 16.04
-* qemu-kvm
+* qemu-kvm 2.7 or later
 * DPDK v17.05 or later
 
 ## Setting
@@ -205,15 +205,15 @@ $ virsh edit [VM_NAME]
 	    <qemu:arg value='node,memdev=mem'/>
 	    <qemu:arg value='-mem-prealloc'/>
 	    <qemu:arg value='-chardev'/>
-	    <qemu:arg value='socket,id=chr0,path=/tmp/sock0'/>
+	    <qemu:arg value='socket,id=chr0,path=/tmp/sock0,server'/>
 	    <qemu:arg value='-device'/>
-	    <qemu:arg value='virtio-net-pci,netdev=vhost-net0'/>
+	    <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'/>
+	    <qemu:arg value='socket,id=chr1,path=/tmp/sock1,server'/>
 	    <qemu:arg value='-device'/>
-	    <qemu:arg value='virtio-net-pci,netdev=vhost-net1'/>
+	    <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>
-- 
2.13.1

[spp] [PATCH 24/28] doc: add references to hugepages and isolcpus

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Add references to hugepages and isolcpus as additional information
in setting grub config.

Signed-off-by: Daiki Yamashita <yamashita.daiki.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/setup_guide.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/spp_vf/setup_guide.md b/docs/spp_vf/setup_guide.md
index f24e43e..af2e9bf 100644
--- a/docs/spp_vf/setup_guide.md
+++ b/docs/spp_vf/setup_guide.md
@@ -37,6 +37,11 @@ Change grub config for hugepages and isolcpus.
 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
-- 
2.13.1

[spp] [PATCH 25/28] doc: remove description on classifier_table

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Since classifire_table is being configured with commands and removed
from configuration file, description on classifier_table is removed.

Signed-off-by: Kentaro Watanabe <watanabe.kentaro.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/config_manual.md | 39 ++++-----------------------------------
 1 file changed, 4 insertions(+), 35 deletions(-)

diff --git a/docs/spp_vf/config_manual.md b/docs/spp_vf/config_manual.md
index f049407..05a342c 100644
--- a/docs/spp_vf/config_manual.md
+++ b/docs/spp_vf/config_manual.md
@@ -27,10 +27,7 @@ For example, resource ID of physical NIC of ID 0 is described as `phy:0`.
 ## Config Format
 
 Config files is described in JSON format.
-It consists of `vfs` and `classifier_table`.
-`vfs` defines each of spp_vf attributes and
-`classifier_table` defines MAC address and correnpond port for
-determining destination.
+Config file consists of `vfs` and defines the spp_vf attribute.
 
 ### Attributes in Config
 
@@ -42,14 +39,7 @@ determining destination.
       * 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 of tx port. If 1:N, which means the dest is `classifier_mac`,
-                 directly described as `classifier_mac_table`.
-
-  * classifier_table
-    * name: Table name for classifier_mac, It MUST be "classifier_mac_table" in current implementation
-    * table: Set of MAC address and port for destination
-      * mac: MAC address
-      * port: Resource ID of port
+      * tx_port: Resource ID(s) of tx port.
 
 ## Sample Config
 
@@ -73,7 +63,7 @@ Here is default config `spp.json` and network diagram of it.
           "core": 3,
           "type": "classifier_mac",
           "rx_port": "ring:8",        // Rx port, It is not a list because type is classifier_mac
-          "tx_port_table": "classifier_mac_table"	// If type is classifier_mac, tx is classifier_mac_table
+          "tx_port": ["ring:0", "ring:1", "ring:4", "ring:5"]
         },
 
         {
@@ -139,28 +129,7 @@ Here is default config `spp.json` and network diagram of it.
         }
       ]
     }
-  ],
-  "classifier_table": {
-    "name":"classifier_mac_table",
-    "table": [
-      {
-        "mac":"52:54:00:12:34:56",
-        "port":"ring:0"
-      },
-      {
-        "mac":"52:54:00:12:34:57",
-        "port":"ring:4"
-      },
-      {
-        "mac":"52:54:00:12:34:58",
-        "port":"ring:1"
-      },
-      {
-        "mac":"52:54:00:12:34:59",
-        "port":"ring:5"
-      }
-    ]
-  }
+  ]
 }
 ```
 
-- 
2.13.1

[spp] [PATCH 26/28] doc: fix typos and erros in texts

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

* config_manual.md: correct explanation of 'name' attribute.
* how_to_use.md: correct default config file path.
* how_to_use.md: correct titles.
* correct typos.

Signed-off-by: Daiki Yamashita <yamashita.daiki.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/spp_vf/config_manual.md | 2 +-
 docs/spp_vf/how_to_use.md    | 8 ++++----
 docs/spp_vf/setup_guide.md   | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/spp_vf/config_manual.md b/docs/spp_vf/config_manual.md
index 05a342c..cdf10b5 100644
--- a/docs/spp_vf/config_manual.md
+++ b/docs/spp_vf/config_manual.md
@@ -32,7 +32,7 @@ Config file consists of `vfs` and defines the spp_vf attribute.
 ### Attributes in Config
 
   * vfs
-    * name: Name of spp_vf component.
+    * 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).
diff --git a/docs/spp_vf/how_to_use.md b/docs/spp_vf/how_to_use.md
index 32c1774..3d3e85a 100644
--- a/docs/spp_vf/how_to_use.md
+++ b/docs/spp_vf/how_to_use.md
@@ -64,7 +64,7 @@ Options of `spp_vf` are
 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 (test/spp_config/spp_config/vf.json).
+config file (/usr/local/etc/spp/spp.json).
 
 ```sh
 $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
@@ -97,7 +97,7 @@ $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
 -s 127.0.0.1:6666 --vhost-client
 ```
 
-### SPP VM
+### VM
 
 Launch VMs with `virsh` command.
 
@@ -108,9 +108,9 @@ $ 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 VMss.
+it is required additional network configurations on host and guest VMs.
 
-#### Host1
+#### Guest VMs
 
 ```sh
 # Interface for vhost
diff --git a/docs/spp_vf/setup_guide.md b/docs/spp_vf/setup_guide.md
index af2e9bf..a20ae90 100644
--- a/docs/spp_vf/setup_guide.md
+++ b/docs/spp_vf/setup_guide.md
@@ -73,7 +73,7 @@ Finally, you unmount default hugepage.
 $ sudo unmount /dev/hugepages
 ```
 
-#### Install jasson
+#### Install jansson
 
 Network configuration is defined in JSON and `spp_vf` reads config from
 the file while launching.
-- 
2.13.1

[spp] [PATCH 27/28] doc: update sample config section

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Update "Sample Config" section in config_manual.md
according to the latest config version format.
Some errors are corrected.
* Replace network diagram ascii art to the link to
  spp_sample_config.svg.
* Change config example to the one aligned to the network diagram.
* Remove comments in config example since no comment is allowed
  in config file.

Signed-off-by: Kentaro Watanabe <watanabe.kentaro.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/spp_vf/config_manual.md      |  110 +--
 docs/spp_vf/spp_sample_config.svg | 1891 +++++++++++++++++++++++++++++++++++++
 2 files changed, 1904 insertions(+), 97 deletions(-)
 create mode 100644 docs/spp_vf/spp_sample_config.svg

diff --git a/docs/spp_vf/config_manual.md b/docs/spp_vf/config_manual.md
index cdf10b5..49f9701 100644
--- a/docs/spp_vf/config_manual.md
+++ b/docs/spp_vf/config_manual.md
@@ -50,22 +50,21 @@ Here is default config `spp.json` and network diagram of it.
   "vfs": [
     {
       "name": "vf0",
-      "num_vhost": 4,  // Number of vhosts
-      "num_ring": 9,   // Number of rings
-      "functions":[    // Attributes of forward,merge or classifier_mac
+      "num_vhost": 2,
+      "num_ring": 4,
+      "functions":[
         {
-          "core": 2,   // Core ID
-          "type": "merge",   // Forwarder type
-          "rx_port": ["phy:0", "phy:1"],  // Rx port, It MUST be a list for merge type
-          "tx_port": "ring:8"            // Tx port
+          "core": 2,
+          "type": "classifier_mac",
+          "rx_port": "phy:0",
+          "tx_port": ["ring:0", "ring:1"]
         },
         {
           "core": 3,
-          "type": "classifier_mac",
-          "rx_port": "ring:8",        // Rx port, It is not a list because type is classifier_mac
-          "tx_port": ["ring:0", "ring:1", "ring:4", "ring:5"]
+          "type": "merge",
+          "rx_port": ["ring:2", "ring:3"],
+          "tx_port": "phy:0"
         },
-
         {
           "core": 4,
           "type": "forward",
@@ -76,7 +75,7 @@ Here is default config `spp.json` and network diagram of it.
           "core": 5,
           "type": "forward",
           "rx_port": "ring:1",
-          "tx_port": "vhost:2"
+          "tx_port": "vhost:1"
         },
         {
           "core": 6,
@@ -87,45 +86,8 @@ Here is default config `spp.json` and network diagram of it.
         {
           "core": 7,
           "type": "forward",
-          "rx_port": "vhost:2",
-          "tx_port": "ring:3"
-        },
-        {
-          "core": 8,
-          "type": "merge",
-          "rx_port": ["ring:2", "ring:3"],
-          "tx_port": "phy:0"
-        },
-
-        {
-          "core": 9,
-          "type": "forward",
-          "rx_port": "ring:4",
-          "tx_port": "vhost:1"
-        },
-        {
-          "core": 10,
-          "type": "forward",
-          "rx_port": "ring:5",
-          "tx_port": "vhost:3"
-        },
-        {
-          "core": 11,
-          "type": "forward",
           "rx_port": "vhost:1",
-          "tx_port": "ring:6"
-        },
-        {
-          "core": 12,
-          "type": "forward",
-          "rx_port": "vhost:3",
-          "tx_port": "ring:7"
-        },
-        {
-          "core": 13,
-          "type": "merge",
-          "rx_port": ["ring:6", "ring:7"],
-          "tx_port": "phy:1"
+          "tx_port": "ring:3"
         }
       ]
     }
@@ -134,50 +96,4 @@ Here is default config `spp.json` and network diagram of it.
 ```
 
 Network diagram
-[TODO] Replace it to more readable SVG img.
-
-```
-+---------+  +-----------------------------------------------------------------------------------------------+
-|  host2  |  | Host1                                                                                         |
-|         |  |              +------------------------------------------------------+  +-------------------+  |
-|         |  |              | spp_vf                                               |  |                   |  |
-| +-----+ |  | +--------+   | +---+  +----+  +---+     +----+  +---+  +----------+ |  | +----------+      |  |
-| | nic <------>  nic0  +-----> M +--> r8 +--> C +-----> r0 +--> F +-->          +------>          |      |  |
-| +-----+ |  | +----+---+   | +-^-+  +----+  +-+-+     +----+  +---+  |          | |  | |          |      |  |
-|         |  |      ^       |   |              |                      |  vhost0  | |  | |    nic   |      |  |
-|         |  |      |       |   |              |       +----+  +---+  |          | |  | |          |      |  |
-|         |  |      |       |   |       +--------------+ r2 <--+ F <--+          <------+          |      |  |
-|         |  |      |       |   |       |      |       +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |      |       |   |       |      |                                   |  |             spp vm|  |
-|         |  |      |       |   |       |      |       +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |      |       |   |       |      +-------> r4 +--+ F +-->          +------>          |      |  |
-|         |  |      |       |   |    +--v--+   |       +----+  +---+  |          | |  | |          |      |  |
-|         |  |      +----------------+  M  |   |                      |  vhost1  | |  | |    nic   |      |  |
-|         |  |              |   |    +--^--+   |       +----+  +---+  |          | |  | |          |      |  |
-|         |  |              |   |       | +------------+ r6 +--+ F <--+          <------+          |      |  |
-|         |  |              |   |       | |    |       +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |              |   |       | |    |                                   |  |                   |  |
-|         |  |              |   |       | |    |                                   |  +-------------------+  |
-|         |  |              |   |       | |    |                                   |                         |
-|         |  |              |   |       | |    |                                   |  +-------------------+  |
-|         |  |              |   |       | |    |                                   |  |                   |  |
-| +-----+ |  | +--------+   |   |       | |    |       +----+  +---+  +----------+ |  | +----------+      |  |
-| | nic <------>  nic1  +-------+       | |    +-------> r1 +--+ F +-->          +------>          |      |  |
-| +-----+ |  | +----+---+   |           | |    |       +----+  +---+  |          | |  | |          |      |  |
-|         |  |      ^       |           | |    |                      |  vhost2  | |  | |    nic   |      |  |
-|         |  |      |       |           | |    |       +----+  +---+  |          | |  | |          |      |  |
-|         |  |      |       |           +--------------+ r3 +--+ F <--+          <------+          |      |  |
-|         |  |      |       |             |    |       +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |      |       |             |    |                                   |  |             spp vm|  |
-|         |  |      |       |             |    |       +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |      |       |             |    +-------> r5 +--+ F +-->          +------>          |      |  |
-|         |  |      |       |        +----v+           +----+  +---+  |          | |  | |          |      |  |
-|         |  |      +----------------+  M  |                          |  vhost3  | |  | |    nic   |      |  |
-|         |  |              |        +--^--+           +----+  +---+  |          | |  | |          |      |  |
-|         |  |              |           +--------------+ r7 +--+ F <--+          <------+          |      |  |
-|         |  |              |                          +----+  +---+  +----------+ |  | +----------+      |  |
-|         |  |              |                                                      |  |                   |  |
-|         |  |              +------------------------------------------------------+  +-------------------+  |
-|         |  |                                                                                               |
-+---------+  +-----------------------------------------------------------------------------------------------+
-```
+![spp_sample_config](spp_sample_config.svg)
diff --git a/docs/spp_vf/spp_sample_config.svg b/docs/spp_vf/spp_sample_config.svg
new file mode 100644
index 0000000..25c19f2
--- /dev/null
+++ b/docs/spp_vf/spp_sample_config.svg
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+           sodipodi:role="line">ring</tspan></text>
+    </g>
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.70416667px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr;text-anchor:start;display:inline;opacity:0.98999999;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.21267372;"
+       x="61.492153"
+       y="104.82938"
+       id="text1773-6-6-5-2-7-4-4-2-3"
+       transform="scale(0.93214045,1.0727997)"><tspan
+         sodipodi:role="line"
+         id="tspan1455">ring3</tspan></text>
+  </g>
+</svg>
-- 
2.13.1

[spp] [PATCH 28/28] doc: align figure title position

[ogawa.yasufumi]

From: Hiroyuki Nakamura <nakamura.hioryuki@po.ntt-tx.co.jp>

Align the position of figure title "Network diagram"

Signed-off-by: Kentaro Watanabe <watanabe.kentaro.z01@as.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/spp_vf/config_manual.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/spp_vf/config_manual.md b/docs/spp_vf/config_manual.md
index 49f9701..656bd88 100644
--- a/docs/spp_vf/config_manual.md
+++ b/docs/spp_vf/config_manual.md
@@ -96,4 +96,5 @@ Here is default config `spp.json` and network diagram of it.
 ```
 
 Network diagram
+
 ![spp_sample_config](spp_sample_config.svg)
-- 
2.13.1