[spp] [PATCH 01/10] docs: add spp_mirror in overview section

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* [spp] [PATCH 01/10] docs: add spp_mirror in overview section
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 02/10] docs: add overview image of spp_mirror x-fn-spp
                   ` (8 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add overview of spp_mirror beside spp_vf.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/spp_vf/overview.rst | 71 +++++++++++++++++++++++++++++++++--------
 1 file changed, 58 insertions(+), 13 deletions(-)

diff --git a/docs/guides/spp_vf/overview.rst b/docs/guides/spp_vf/overview.rst
index 4773213..dd957d4 100644
--- a/docs/guides/spp_vf/overview.rst
+++ b/docs/guides/spp_vf/overview.rst
@@ -6,24 +6,44 @@
 Overview
 ========
 
-SPP_VF provides SR-IOV like network functionality using DPDK for NFV.
+This section describes an overview of SPP's extensions, ``spp_vf`` and
+``spp_mirror``.
+SPP provides a connectivity between DPDK processes as a virtual patch panel.
+However, It is not sufficient considering more practical usecases.
+For instance, you might need a classification for incoming packets if you have
+multiple processes as destinations. You might also need to duplicate packets
+for monitoring or inspection.
 
-PP_VF distributes incoming packets to VMs with referring to virtual
-MAC address like Virtual Function(VF) of SR-IOV.
-Virtual MAC address can be defined by commands from spp
-controller(``spp_vf.py``).
+``spp_vf`` is a SPP secondary process for forwarding packets to multiple
+destination ports with a MAC address classification. It is also supported to
+merge from several source ports to aggregate packets to a destination port.
 
-SPP_VF is multi-process and multi-thread applications. A SPP_VF process
-is referred to as ``spp_vf`` in this document. Each ``spp_vf`` has
-one manager thread and component threads. The manager thread provides
-function for command processing and creating the component threads.
-The component threads have its own multiple components, ports and
-classifier tables including Virtual MAC address.
+``spp_mirror`` is an another kind of secondary process to duplicate incoming
+packets. This feature is intended to use as a
+`TaaS
+<https://docs.openstack.org/dragonflow/latest/specs/tap_as_a_service.html>`_
+feature for port mirroring introduced in OpenStack.
 
 
+spp_vf
+------
+
+``spp_vf`` provides a SR-IOV like network feature.
+
+``spp_vf`` forwards incoming packets to several destination VMs by referring
+MAC address like as a Virtual Function (VF) of SR-IOV.
+
+``spp_vf`` is a  multi-process and multi-thread application.
+Each of ``spp_vf`` has one manager thread and worker threads called as
+components.
+The manager thread provides a function for parsing a command and creating the
+components.
+The component threads have its own multiple components, ports and classifier
+tables including Virtual MAC address.
+
 This is an example of network configuration, in which one
 ``classifier_mac``,
-one merger and four forwarders are running in SPP_VF process
+one merger and four forwarders are running in ``spp_vf`` process
 for two destinations of vhost interface.
 Incoming packets from rx on host1 are sent to each of vhosts of VM
 by looking up destination MAC address in the packet.
@@ -31,4 +51,29 @@ by looking up destination MAC address in the packet.
 .. figure:: ../images/spp_vf/spp_vf_overview.*
     :width: 70%
 
-    Overview of SPP VF
+    Overview of spp_vf
+
+
+SPP Mirror
+----------
+
+``spp_mirror`` is an implementation of
+`TaaS
+<https://docs.openstack.org/dragonflow/latest/specs/tap_as_a_service.html>`_
+as a SPP secondary process for port mirroring.
+TaaS stands for TAP as a Service.
+
+``spp_mirror`` consists of one manager thread and worker threads as similar to
+``spp_vf``, but just one worker role for mirroring.
+:numref:`figure_spp_mirror_overview` shows an overview of use of ``spp_mirror``
+in which ``spp_mirror`` process receives packets from ``ring:0`` in ``spp_vf``
+for duplicating the packets for monitoring.
+Worker thread ``mirror`` has two of tx rings for forwaring the packets to the
+destination and a monitor application running on VM3.
+
+.. _figure_spp_mirror_overview:
+
+.. figure:: ../images/spp_vf/spp_mirror_overview.*
+   :width: 70%
+
+   Overview of spp_mirror
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 02/10] docs: add overview image of spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
  2018-11-30  5:41 ` [spp] [PATCH 01/10] docs: add spp_mirror in overview section x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 03/10] docs: add design for spp_mirror x-fn-spp
                   ` (7 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add an overview image of spp_mirror.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
---
 docs/guides/images/spp_vf/spp_mirror_overview.svg | 1433 +++++++++++++++++++++
 1 file changed, 1433 insertions(+)
 create mode 100644 docs/guides/images/spp_vf/spp_mirror_overview.svg

diff --git a/docs/guides/images/spp_vf/spp_mirror_overview.svg b/docs/guides/images/spp_vf/spp_mirror_overview.svg
new file mode 100644
index 0000000..9414fdf
--- /dev/null
+++ b/docs/guides/images/spp_vf/spp_mirror_overview.svg
@@ -0,0 +1,1433 @@
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2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 03/10] docs: add design for spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
  2018-11-30  5:41 ` [spp] [PATCH 01/10] docs: add spp_mirror in overview section x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 02/10] docs: add overview image of spp_mirror x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 04/10] docs: add explanation of spp_mirror x-fn-spp
                   ` (6 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Design section is for describing components and its mechanizm of
`spp_vf` and `spp_mirror`.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
---
 docs/guides/images/spp_vf/spp_mirror_design.svg | 564 ++++++++++++++++++++++++
 docs/guides/spp_vf/design.rst                   |  75 +++-
 2 files changed, 623 insertions(+), 16 deletions(-)
 create mode 100644 docs/guides/images/spp_vf/spp_mirror_design.svg

diff --git a/docs/guides/images/spp_vf/spp_mirror_design.svg b/docs/guides/images/spp_vf/spp_mirror_design.svg
new file mode 100644
index 0000000..bd1da65
--- /dev/null
+++ b/docs/guides/images/spp_vf/spp_mirror_design.svg
@@ -0,0 +1,564 @@
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+       sodipodi:linespacing="125%"><tspan
+         sodipodi:role="line"
+         id="tspan4210-2"
+         x="134.66794"
+         y="428.17276">spp_mirror</tspan></text>
+  </g>
+  <g
+     inkscape:groupmode="layer"
+     id="layer6"
+     inkscape:label="Label-Threads"
+     transform="translate(0,-333.07105)"
+     style="display:inline">
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:22.5px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="178.85202"
+       y="500.82611"
+       id="text4204-2"
+       sodipodi:linespacing="125%"><tspan
+         sodipodi:role="line"
+         id="tspan4206-9"
+         x="178.85202"
+         y="500.82611">mirror</tspan></text>
+  </g>
+  <g
+     inkscape:groupmode="layer"
+     id="layer9"
+     inkscape:label="Label-Resources"
+     transform="translate(0,-333.07105)"
+     style="display:inline">
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:22.50000381px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="325.0242"
+       y="541.89813"
+       id="text4573-7"
+       sodipodi:linespacing="125%"><tspan
+         sodipodi:role="line"
+         id="tspan4575-5"
+         x="325.0242"
+         y="541.89813">ring:1</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:22.50000381px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="326.73846"
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+         y="466.4696">ring:0</tspan></text>
+  </g>
+</svg>
diff --git a/docs/guides/spp_vf/design.rst b/docs/guides/spp_vf/design.rst
index fc9b014..8b9e7f3 100644
--- a/docs/guides/spp_vf/design.rst
+++ b/docs/guides/spp_vf/design.rst
@@ -6,8 +6,22 @@
 Design
 ======
 
-Components
-----------
+.. _spp_vf_design_port:
+
+Ports
+-----
+
+Both of ``spp_vf`` and ``spp_mirror`` support three types of port,
+``phy``, ``ring`` and ``vhost``.
+``phy`` port is used to retrieve packets from specific physical NIC or sent to.
+``ring`` is basically used to connect a process or a thread to make a network
+path between them.
+``vhost`` is used to forward packets from a VM or sent to.
+
+.. _spp_vf_design_spp_vf:
+
+spp_vf
+------
 
 ``spp_vf`` is a kind of secondary process and consists of several
 threads called component.
@@ -15,23 +29,23 @@ There are three types of components, ``forwarder``,
 ``merger`` and ``classifier``.
 
 .. figure:: ../images/spp_vf/spp_vf_overview.*
-    :width: 70%
+    :width: 75%
 
     SPP VF components
 
 Forwarder
-~~~~~~~~~
+^^^^^^^^^
 
 Simply forwards packets from rx to tx port.
 
 Merger
-~~~~~~
+^^^^^^
 
 Receives packets from multiple rx ports to aggregate
 packets and sends to a desctination port.
 
 Classifier
-~~~~~~~~~~
+^^^^^^^^^^
 
 Sends packets to multiple tx ports based on entries of
 MAC address and destination port in a classifier table.
@@ -43,15 +57,44 @@ which of table is referred
 if TPID (Tag Protocol Indetifier) is included in a packet and
 equals to 0x8100 as defined in IEEE 802.1Q standard.
 
+.. _spp_vf_design_spp_mirror:
 
-Ports
------
+spp_mirror
+----------
+
+``spp_mirror`` is another kind of secondary process. The keyword ``mirror``
+means that it duplicates incoming packets and forwards to additional
+destination.
+It supports only one type of component called ``mirror`` for duplicating.
+In :numref:`figure_spp_mirror_design`, incoming packets are duplicated with
+``mirror`` component and sent to original and additional destinations.
+
+.. _figure_spp_mirror_design:
+
+.. figure:: ../images/spp_vf/spp_mirror_design.*
+    :width: 45%
+
+    Spp_mirror component
+
+Mirror
+^^^^^^
+
+``mirror`` component has one ``rx`` port and two ``tx`` ports. Incoming packets
+from ``rx`` port are duplicated and sent to each of ``tx`` ports.
+
+In general, copying packet is time-consuming because it requires to make a new
+region on memory space. Considering to minimize impact for performance,
+``spp_mirror`` provides a choice of copying methods, ``shallowocopy`` or
+``deepcopy``.
+The difference between those methods is ``shallowocopy`` does not copy whole of
+packet data but share without header actually.
+``shallowcopy`` is to share mbuf between packets to get better performance
+than ``deepcopy``, but it should be used for read only for the packet.
+
+.. note::
+
+    ``shallowcopy`` calls ``rte_pktmbuf_clone()`` internally and
+    ``deepcopy`` create a new mbuf region.
 
-``spp_vf`` supports three types of PMDs, ``phy`` (Physical NIC),
-``ring`` (Ring PMD) and ``vhost`` (vhsot PMD).
-Using ``phy`` port, component can get incoming packets from outside host
-and transfer the packet to specific physical NIC.
-Using ``ring`` port, variety of combination of components can be
-configured.
-And through ``vhost`` port component can transfer packets from/to VMs.
-``port`` can also control vlan tagging and untagging.
+You should choose ``deepcopy`` if you use VLAN feature to make no change for
+original packet while copied packet is modified.
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 04/10] docs: add explanation of spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (2 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 03/10] docs: add design for spp_mirror x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 05/10] docs: add setup guide for spp_mirror x-fn-spp
                   ` (5 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add explanation section of spp_mirror.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/spp_vf/explain/functions.rst        | 423 ------------------------
 docs/guides/spp_vf/explain/functions_mirror.rst | 127 +++++++
 docs/guides/spp_vf/explain/functions_vf.rst     | 423 ++++++++++++++++++++++++
 docs/guides/spp_vf/explain/index.rst            |   3 +-
 4 files changed, 552 insertions(+), 424 deletions(-)
 delete mode 100644 docs/guides/spp_vf/explain/functions.rst
 create mode 100644 docs/guides/spp_vf/explain/functions_mirror.rst
 create mode 100644 docs/guides/spp_vf/explain/functions_vf.rst

diff --git a/docs/guides/spp_vf/explain/functions.rst b/docs/guides/spp_vf/explain/functions.rst
deleted file mode 100644
index 6fd3363..0000000
--- a/docs/guides/spp_vf/explain/functions.rst
+++ /dev/null
@@ -1,423 +0,0 @@
-..  SPDX-License-Identifier: BSD-3-Clause
-    Copyright(c) 2010-2014 Intel Corporation
-
-.. _spp_vf_explain_functions:
-
-Explanation
-===========
-
-The following sections provide some explanation of the code.
-
-Initializing
-------------
-
-A manager thread of ``spp_vf`` initialize eal by ``rte_eal_init()``.
-Then each of component threads are launched by
-``rte_eal_remote_launch()``.
-
-
-.. code-block:: c
-
-    /* spp_vf.c */
-    int ret_dpdk = rte_eal_init(argc, argv);
-
-    /* Start worker threads of classifier and forwarder */
-    unsigned int lcore_id = 0;
-    RTE_LCORE_FOREACH_SLAVE(lcore_id) {
-            rte_eal_remote_launch(slave_main, NULL, lcore_id);
-    }
-
-
-Main function of slave thread
------------------------------
-
-``slave_main()`` is called from ``rte_eal_remote_launch()``.
-It call ``spp_classifier_mac_do()`` or ``spp_forward()`` depending
-on the component command setting.
-``spp_classifier_mac_do()`` provides function for classifier,
-and ``spp_forward()`` provides forwarder and merger.
-
-.. code-block:: c
-
-    /* spp_vf.c */
-    RTE_LOG(INFO, APP, "Core[%d] Start.\n", lcore_id);
-    set_core_status(lcore_id, SPP_CORE_IDLE);
-
-    while ((status = spp_get_core_status(lcore_id)) !=
-            SPP_CORE_STOP_REQUEST) {
-            if (status != SPP_CORE_FORWARD)
-                    continue;
-
-            if (spp_check_core_index(lcore_id)) {
-                    /* Setting with the flush command trigger. */
-                    info->ref_index = (info->upd_index+1) %
-                            SPP_INFO_AREA_MAX;
-                    core = get_core_info(lcore_id);
-            }
-
-            for (cnt = 0; cnt < core->num; cnt++) {
-                    if (spp_get_component_type(lcore_id) ==
-                                    SPP_COMPONENT_CLASSIFIER_MAC) {
-                            /* Classifier loops inside the function. */
-                            ret = spp_classifier_mac_do(core->id[cnt]);
-                            break;
-                    }
-
-                    /*
-                     * Forward / Merge returns at once.
-                     * It is for processing multiple components.
-                     */
-                    ret = spp_forward(core->id[cnt]);
-                    if (unlikely(ret != 0))
-                            break;
-            }
-            if (unlikely(ret != 0)) {
-                    RTE_LOG(ERR, APP,
-                            "Core[%d] Component Error. (id = %d)\n",
-                            lcore_id, core->id[cnt]);
-                    break;
-            }
-    }
-
-    set_core_status(lcore_id, SPP_CORE_STOP);
-    RTE_LOG(INFO, APP, "Core[%d] End.\n", lcore_id);
-
-Data structure of classifier table
-----------------------------------
-
-``spp_classifier_mac_do()`` lookup following data defined in
-``classifier_mac.c``,
-when it process the packets.
-Configuration of classifier is stored in the structure of
-``classified_data``, ``classifier_mac_info`` and
-``classifier_mac_mng_info``.
-The ``classified_data`` has member variables for expressing the port
-to be classified, ``classifier_mac_info`` has member variables
-for determining the direction of packets such as hash tables.
-Classifier manages two ``classifier_mac_info``, one is for updating by
-commands, the other is for looking up to process packets.
-Then the ``classifier_mac_mng_info`` has
-two(``NUM_CLASSIFIER_MAC_INFO``) ``classifier_mac_info``
-and index number for updating or reference.
-
-.. code-block:: c
-
-    /* classifier_mac.c */
-    /* classified data (destination port, target packets, etc) */
-    struct classified_data {
-            /* interface type (see "enum port_type") */
-            enum port_type  iface_type;
-
-            /* index of ports handled by classifier */
-            int             iface_no;
-
-            /* id for interface generated by spp_vf */
-            int             iface_no_global;
-
-            /* port id generated by DPDK */
-            uint16_t        port;
-
-            /* the number of packets in pkts[] */
-            uint16_t        num_pkt;
-
-            /* packet array to be classified */
-            struct rte_mbuf *pkts[MAX_PKT_BURST];
-    };
-
-    /* classifier information */
-    struct classifier_mac_info {
-            /* component name */
-            char name[SPP_NAME_STR_LEN];
-
-            /* hash table keeps classifier_table */
-            struct rte_hash *classifier_table;
-
-            /* number of valid classification */
-            int num_active_classified;
-
-            /* index of valid classification */
-            int active_classifieds[RTE_MAX_ETHPORTS];
-
-            /* index of default classification */
-            int default_classified;
-
-            /* number of transmission ports */
-            int n_classified_data_tx;
-
-            /* receive port handled by classifier */
-            struct classified_data classified_data_rx;
-
-            /* transmission ports handled by classifier */
-            struct classified_data classified_data_tx[RTE_MAX_ETHPORTS];
-    };
-
-    /* classifier management information */
-    struct classifier_mac_mng_info {
-            /* classifier information */
-            struct classifier_mac_info info[NUM_CLASSIFIER_MAC_INFO];
-
-            /* Reference index number for classifier information */
-            volatile int ref_index;
-
-            /* Update index number for classifier information */
-            volatile int upd_index;
-    };
-
-
-Packet processing in classifier
--------------------------------
-
-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.
-
-.. code-block:: c
-
-    /* classifier_mac.c */
-        while (likely(spp_get_core_status(lcore_id) == SPP_CORE_FORWARD) &&
-                        likely(spp_check_core_index(lcore_id) == 0)) {
-                /* change index of update side */
-                change_update_index(classifier_mng_info, id);
-
-                /* decide classifier information of the current cycle */
-                classifier_info = classifier_mng_info->info +
-                                classifier_mng_info->ref_index;
-                classified_data_rx = &classifier_info->classified_data_rx;
-                classified_data_tx = classifier_info->classified_data_tx;
-
-                /* 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 < classifier_info->n_classified_data_tx;
-                                        i++) {
-                                if (likely(classified_data_tx[i].num_pkt == 0))
-                                        continue;
-
-                                RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
-                                                "transmit packets (drain). "
-                                                "index=%d, "
-                                                "num_pkt=%hu, "
-                                                "interval=%lu\n",
-                                                i,
-                                                classified_data_tx[i].num_pkt,
-                                                cur_tsc - prev_tsc);
-                                transmit_packet(&classified_data_tx[i]);
-                        }
-                        prev_tsc = cur_tsc;
-                }
-
-                if (classified_data_rx->iface_type == UNDEF)
-                        continue;
-
-                /* retrieve packets */
-                n_rx = rte_eth_rx_burst(classified_data_rx->port, 0,
-                                rx_pkts, MAX_PKT_BURST);
-                if (unlikely(n_rx == 0))
-                        continue;
-
-    #ifdef SPP_RINGLATENCYSTATS_ENABLE
-                    if (classified_data_rx->iface_type == RING)
-                            spp_ringlatencystats_calculate_latency(
-                                            classified_data_rx->iface_no,
-                                            rx_pkts, n_rx);
-    #endif
-
-                /* classify and transmit (filled) */
-                classify_packet(rx_pkts, n_rx, classifier_info,
-                                classified_data_tx);
-        }
-
-Classifying the packets
------------------------
-
-``classify_packet()`` uses hash function of DPDK to determine
-destination.
-Hash has MAC address as Key, it retrieves destination information
-from destination MAC address in the packet.
-
-.. code-block:: c
-
-    for (i = 0; i < n_rx; i++) {
-            eth = rte_pktmbuf_mtod(rx_pkts[i], struct ether_hdr *);
-
-            /* find in table (by destination mac address)*/
-            ret = rte_hash_lookup_data(classifier_info->classifier_table,
-                            (const void *)&eth->d_addr, &lookup_data);
-            if (ret < 0) {
-                    /* 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;
-                    }
-
-                    /* if no default, drop packet */
-                    if (unlikely(classifier_info->default_classified ==
-                                    -1)) {
-                            ether_format_addr(mac_addr_str,
-                                            sizeof(mac_addr_str),
-                                            &eth->d_addr);
-                            RTE_LOG(ERR, SPP_CLASSIFIER_MAC,
-                                            "unknown mac address. "
-                                            "ret=%d, mac_addr=%s\n",
-                                            ret, mac_addr_str);
-                            rte_pktmbuf_free(rx_pkts[i]);
-                            continue;
-                    }
-
-                    /* to default classified */
-                    RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
-                                    "to default classified.\n");
-                    lookup_data = (void *)(long)classifier_info->
-                                    default_classified;
-            }
-
-            /*
-             * set mbuf pointer to tx buffer
-             * and transmit packet, if buffer is filled
-             */
-            push_packet(rx_pkts[i], classified_data + (long)lookup_data);
-    }
-
-
-Packet processing in forwarder and merger
------------------------------------------
-
-Configuration data for forwarder and merger is stored as structured
-tables ``forward_rxtx``, ``forward_path`` and ``forward_info``.
-The ``forward_rxtx`` has two member variables for expressing the port
-to be sent(tx) and to be receive(rx),
-``forward_path`` has member variables for expressing the data path.
-Like ``classifier_mac_info``, ``forward_info`` has two tables,
-one is for updating by commands, the other is for looking up to process
-packets.
-
-
-.. code-block:: c
-
-    /* spp_forward.c */
-    /* A set of port info of rx and tx */
-    struct forward_rxtx {
-            struct spp_port_info rx; /* rx port */
-            struct spp_port_info tx; /* tx port */
-    };
-
-    /* Information on the path used for forward. */
-    struct forward_path {
-            char name[SPP_NAME_STR_LEN];    /* component name */
-            volatile enum spp_component_type type;
-                                            /* component type */
-            int num;  /* number of receive ports */
-            struct forward_rxtx ports[RTE_MAX_ETHPORTS];
-                                            /* port used for transfer */
-    };
-
-    /* Information for forward. */
-    struct forward_info {
-            volatile int ref_index; /* index to reference area */
-            volatile int upd_index; /* index to update area    */
-            struct forward_path path[SPP_INFO_AREA_MAX];
-                                    /* Information of data path */
-    };
-
-
-Forward and merge the packets
------------------------------
-
-``spp_forward()`` defined in ``spp_forward.c`` is a main function
-for both forwarder and merger.
-``spp_forward()`` simply passes packet received from rx port to
-tx port of the pair.
-
-.. code-block:: c
-
-    /* spp_forward.c */
-            for (cnt = 0; cnt < num; cnt++) {
-                    rx = &path->ports[cnt].rx;
-                    tx = &path->ports[cnt].tx;
-
-                    /* Receive packets */
-                    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->iface_type == RING)
-                            spp_ringlatencystats_calculate_latency(
-                                            rx->iface_no,
-                                            bufs, nb_rx);
-
-                    if (tx->iface_type == RING)
-                            spp_ringlatencystats_add_time_stamp(
-                                            tx->iface_no,
-                                            bufs, nb_rx);
-    #endif /* SPP_RINGLATENCYSTATS_ENABLE */
-
-                    /* Send packets */
-                    if (tx->dpdk_port >= 0)
-                            nb_tx = rte_eth_tx_burst(
-                                    tx->dpdk_port, 0, bufs, nb_rx);
-
-                    /* Discard remained packets to release mbuf */
-                    if (unlikely(nb_tx < nb_rx)) {
-                            for (buf = nb_tx; buf < nb_rx; buf++)
-                                    rte_pktmbuf_free(bufs[buf]);
-                    }
-            }
-
-
-L2 Multicast Support
---------------------
-
-SPP_VF also supports multicast for resolving ARP requests.
-It is implemented as ``handle_l2multicast_packet()`` and called from
-``classify_packet()`` for incoming multicast packets.
-
-.. code-block:: 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()``.
-
-.. code-block:: 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.(l2 multicast packet)\n");
-                    rte_pktmbuf_free(pkt);
-                    return;
-            }
-
-            rte_mbuf_refcnt_update(pkt,
-                    (classifier_info->num_active_classified - 1));
-
-            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/guides/spp_vf/explain/functions_mirror.rst b/docs/guides/spp_vf/explain/functions_mirror.rst
new file mode 100644
index 0000000..bb4548e
--- /dev/null
+++ b/docs/guides/spp_vf/explain/functions_mirror.rst
@@ -0,0 +1,127 @@
+.. SPDX-License-Identifier: BSD-3-Clause
+   Copyright(c) 2018 Nippon Telegraph and Telephone Corporation
+
+.. _spp_vf_explain_spp_mirror:
+
+spp_mirror
+==========
+
+Initializing
+------------
+
+A main thread of ``spp_mirror`` initialize eal by ``rte_eal_init()``.
+Then each of worker threads is launched from ``rte_eal_remote_launch()``
+by giving a function ``slave_main()`` for forwarding.
+
+.. code-block:: c
+
+    /* spp_mirror.c */
+    int ret_dpdk = rte_eal_init(argc, argv);
+
+    /* Start worker threads of classifier and forwarder */
+    unsigned int lcore_id = 0;
+    RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+            rte_eal_remote_launch(slave_main, NULL, lcore_id);
+    }
+
+
+Main function of slave thread
+-----------------------------
+
+In ``slave_main()``, it calls ``mirror_proc()`` in which packet processing for
+duplicating is defined after finding a core on which running the duplicating.
+
+.. code-block:: c
+
+	RTE_LOG(INFO, MIRROR, "Core[%d] Start.\n", lcore_id);
+	set_core_status(lcore_id, SPP_CORE_IDLE);
+
+	while ((status = spp_get_core_status(lcore_id)) !=
+			SPP_CORE_STOP_REQUEST) {
+		if (status != SPP_CORE_FORWARD)
+			continue;
+
+		if (spp_check_core_index(lcore_id)) {
+			/* Setting with the flush command trigger. */
+			info->ref_index = (info->upd_index+1) %
+					SPP_INFO_AREA_MAX;
+			core = get_core_info(lcore_id);
+		}
+
+		for (cnt = 0; cnt < core->num; cnt++) {
+			/*
+			 * mirror returns at once.
+			 * It is for processing multiple components.
+			 */
+			ret = mirror_proc(core->id[cnt]);
+			if (unlikely(ret != 0))
+				break;
+		}
+		if (unlikely(ret != 0)) {
+			RTE_LOG(ERR, MIRROR,
+				"Core[%d] Component Error. (id = %d)\n",
+					lcore_id, core->id[cnt]);
+			break;
+		}
+	}
+
+	set_core_status(lcore_id, SPP_CORE_STOP);
+	RTE_LOG(INFO, MIRROR, "Core[%d] End.\n", lcore_id);
+
+Packet mirroring
+----------------
+
+In ``mirror_proc()``, it receives packets from rx port.
+
+.. code-block:: c
+
+        /* Receive packets */
+        nb_rx = spp_eth_rx_burst(rx->dpdk_port, 0, bufs, MAX_PKT_BURST);
+
+Each of received packet is copied with ``rte_pktmbuf_clone()`` if you use
+``shallowcopy`` defined as default in Makefile.
+If you use ``deepcopy``, several mbuf objects are allocated for copying.
+
+.. code-block:: c
+
+                for (cnt = 0; cnt < nb_rx; cnt++) {
+                        org_mbuf = bufs[cnt];
+                        rte_prefetch0(rte_pktmbuf_mtod(org_mbuf, void *));
+   #ifdef SPP_MIRROR_SHALLOWCOPY
+                        /* Shallow Copy */
+			copybufs[cnt] = rte_pktmbuf_clone(org_mbuf,
+                                                        g_mirror_pool);
+
+   #else
+                        struct rte_mbuf *mirror_mbuf = NULL;
+                        struct rte_mbuf **mirror_mbufs = &mirror_mbuf;
+                        struct rte_mbuf *copy_mbuf = NULL;
+                        /* Deep Copy */
+                        do {
+                                copy_mbuf = rte_pktmbuf_alloc(g_mirror_pool);
+                                if (unlikely(copy_mbuf == NULL)) {
+                                        rte_pktmbuf_free(mirror_mbuf);
+                                        mirror_mbuf = NULL;
+                                        RTE_LOG(INFO, MIRROR,
+                                                "copy mbuf alloc NG!\n");
+                                        break;
+                                }
+
+                                copy_mbuf->data_off = org_mbuf->data_off;
+                                ...
+                                copy_mbuf->packet_type = org_mbuf->packet_type;
+
+                                rte_memcpy(rte_pktmbuf_mtod(copy_mbuf, char *),
+                                        rte_pktmbuf_mtod(org_mbuf, char *),
+                                        org_mbuf->data_len);
+
+                                *mirror_mbufs = copy_mbuf;
+                                mirror_mbufs = &copy_mbuf->next;
+                        } while ((org_mbuf = org_mbuf->next) != NULL);
+			copybufs[cnt] = mirror_mbuf;
+
+   #endif /* SPP_MIRROR_SHALLOWCOPY */
+                }
+		if (cnt != 0)
+                        nb_tx2 = spp_eth_tx_burst(tx->dpdk_port, 0,
+								copybufs, cnt);
diff --git a/docs/guides/spp_vf/explain/functions_vf.rst b/docs/guides/spp_vf/explain/functions_vf.rst
new file mode 100644
index 0000000..c915655
--- /dev/null
+++ b/docs/guides/spp_vf/explain/functions_vf.rst
@@ -0,0 +1,423 @@
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright(c) 2010-2014 Intel Corporation
+
+.. _spp_vf_explain_spp_vf:
+
+spp_vf
+======
+
+The following sections provide some explanation of the code.
+
+Initializing
+------------
+
+A manager thread of ``spp_vf`` initialize eal by ``rte_eal_init()``.
+Then each of component threads are launched by
+``rte_eal_remote_launch()``.
+
+
+.. code-block:: c
+
+    /* spp_vf.c */
+    int ret_dpdk = rte_eal_init(argc, argv);
+
+    /* Start worker threads of classifier and forwarder */
+    unsigned int lcore_id = 0;
+    RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+            rte_eal_remote_launch(slave_main, NULL, lcore_id);
+    }
+
+
+Main function of slave thread
+-----------------------------
+
+``slave_main()`` is called from ``rte_eal_remote_launch()``.
+It call ``spp_classifier_mac_do()`` or ``spp_forward()`` depending
+on the component command setting.
+``spp_classifier_mac_do()`` provides function for classifier,
+and ``spp_forward()`` provides forwarder and merger.
+
+.. code-block:: c
+
+    /* spp_vf.c */
+    RTE_LOG(INFO, APP, "Core[%d] Start.\n", lcore_id);
+    set_core_status(lcore_id, SPP_CORE_IDLE);
+
+    while ((status = spp_get_core_status(lcore_id)) !=
+            SPP_CORE_STOP_REQUEST) {
+            if (status != SPP_CORE_FORWARD)
+                    continue;
+
+            if (spp_check_core_index(lcore_id)) {
+                    /* Setting with the flush command trigger. */
+                    info->ref_index = (info->upd_index+1) %
+                            SPP_INFO_AREA_MAX;
+                    core = get_core_info(lcore_id);
+            }
+
+            for (cnt = 0; cnt < core->num; cnt++) {
+                    if (spp_get_component_type(lcore_id) ==
+                                    SPP_COMPONENT_CLASSIFIER_MAC) {
+                            /* Classifier loops inside the function. */
+                            ret = spp_classifier_mac_do(core->id[cnt]);
+                            break;
+                    }
+
+                    /*
+                     * Forward / Merge returns at once.
+                     * It is for processing multiple components.
+                     */
+                    ret = spp_forward(core->id[cnt]);
+                    if (unlikely(ret != 0))
+                            break;
+            }
+            if (unlikely(ret != 0)) {
+                    RTE_LOG(ERR, APP,
+                            "Core[%d] Component Error. (id = %d)\n",
+                            lcore_id, core->id[cnt]);
+                    break;
+            }
+    }
+
+    set_core_status(lcore_id, SPP_CORE_STOP);
+    RTE_LOG(INFO, APP, "Core[%d] End.\n", lcore_id);
+
+Data structure of classifier table
+----------------------------------
+
+``spp_classifier_mac_do()`` lookup following data defined in
+``classifier_mac.c``,
+when it process the packets.
+Configuration of classifier is stored in the structure of
+``classified_data``, ``classifier_mac_info`` and
+``classifier_mac_mng_info``.
+The ``classified_data`` has member variables for expressing the port
+to be classified, ``classifier_mac_info`` has member variables
+for determining the direction of packets such as hash tables.
+Classifier manages two ``classifier_mac_info``, one is for updating by
+commands, the other is for looking up to process packets.
+Then the ``classifier_mac_mng_info`` has
+two(``NUM_CLASSIFIER_MAC_INFO``) ``classifier_mac_info``
+and index number for updating or reference.
+
+.. code-block:: c
+
+    /* classifier_mac.c */
+    /* classified data (destination port, target packets, etc) */
+    struct classified_data {
+            /* interface type (see "enum port_type") */
+            enum port_type  iface_type;
+
+            /* index of ports handled by classifier */
+            int             iface_no;
+
+            /* id for interface generated by spp_vf */
+            int             iface_no_global;
+
+            /* port id generated by DPDK */
+            uint16_t        port;
+
+            /* the number of packets in pkts[] */
+            uint16_t        num_pkt;
+
+            /* packet array to be classified */
+            struct rte_mbuf *pkts[MAX_PKT_BURST];
+    };
+
+    /* classifier information */
+    struct classifier_mac_info {
+            /* component name */
+            char name[SPP_NAME_STR_LEN];
+
+            /* hash table keeps classifier_table */
+            struct rte_hash *classifier_table;
+
+            /* number of valid classification */
+            int num_active_classified;
+
+            /* index of valid classification */
+            int active_classifieds[RTE_MAX_ETHPORTS];
+
+            /* index of default classification */
+            int default_classified;
+
+            /* number of transmission ports */
+            int n_classified_data_tx;
+
+            /* receive port handled by classifier */
+            struct classified_data classified_data_rx;
+
+            /* transmission ports handled by classifier */
+            struct classified_data classified_data_tx[RTE_MAX_ETHPORTS];
+    };
+
+    /* classifier management information */
+    struct classifier_mac_mng_info {
+            /* classifier information */
+            struct classifier_mac_info info[NUM_CLASSIFIER_MAC_INFO];
+
+            /* Reference index number for classifier information */
+            volatile int ref_index;
+
+            /* Update index number for classifier information */
+            volatile int upd_index;
+    };
+
+
+Packet processing in classifier
+-------------------------------
+
+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.
+
+.. code-block:: c
+
+    /* classifier_mac.c */
+        while (likely(spp_get_core_status(lcore_id) == SPP_CORE_FORWARD) &&
+                        likely(spp_check_core_index(lcore_id) == 0)) {
+                /* change index of update side */
+                change_update_index(classifier_mng_info, id);
+
+                /* decide classifier information of the current cycle */
+                classifier_info = classifier_mng_info->info +
+                                classifier_mng_info->ref_index;
+                classified_data_rx = &classifier_info->classified_data_rx;
+                classified_data_tx = classifier_info->classified_data_tx;
+
+                /* 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 < classifier_info->n_classified_data_tx;
+                                        i++) {
+                                if (likely(classified_data_tx[i].num_pkt == 0))
+                                        continue;
+
+                                RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
+                                                "transmit packets (drain). "
+                                                "index=%d, "
+                                                "num_pkt=%hu, "
+                                                "interval=%lu\n",
+                                                i,
+                                                classified_data_tx[i].num_pkt,
+                                                cur_tsc - prev_tsc);
+                                transmit_packet(&classified_data_tx[i]);
+                        }
+                        prev_tsc = cur_tsc;
+                }
+
+                if (classified_data_rx->iface_type == UNDEF)
+                        continue;
+
+                /* retrieve packets */
+                n_rx = rte_eth_rx_burst(classified_data_rx->port, 0,
+                                rx_pkts, MAX_PKT_BURST);
+                if (unlikely(n_rx == 0))
+                        continue;
+
+    #ifdef SPP_RINGLATENCYSTATS_ENABLE
+                    if (classified_data_rx->iface_type == RING)
+                            spp_ringlatencystats_calculate_latency(
+                                            classified_data_rx->iface_no,
+                                            rx_pkts, n_rx);
+    #endif
+
+                /* classify and transmit (filled) */
+                classify_packet(rx_pkts, n_rx, classifier_info,
+                                classified_data_tx);
+        }
+
+Classifying the packets
+-----------------------
+
+``classify_packet()`` uses hash function of DPDK to determine
+destination.
+Hash has MAC address as Key, it retrieves destination information
+from destination MAC address in the packet.
+
+.. code-block:: c
+
+    for (i = 0; i < n_rx; i++) {
+            eth = rte_pktmbuf_mtod(rx_pkts[i], struct ether_hdr *);
+
+            /* find in table (by destination mac address)*/
+            ret = rte_hash_lookup_data(classifier_info->classifier_table,
+                            (const void *)&eth->d_addr, &lookup_data);
+            if (ret < 0) {
+                    /* 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;
+                    }
+
+                    /* if no default, drop packet */
+                    if (unlikely(classifier_info->default_classified ==
+                                    -1)) {
+                            ether_format_addr(mac_addr_str,
+                                            sizeof(mac_addr_str),
+                                            &eth->d_addr);
+                            RTE_LOG(ERR, SPP_CLASSIFIER_MAC,
+                                            "unknown mac address. "
+                                            "ret=%d, mac_addr=%s\n",
+                                            ret, mac_addr_str);
+                            rte_pktmbuf_free(rx_pkts[i]);
+                            continue;
+                    }
+
+                    /* to default classified */
+                    RTE_LOG(DEBUG, SPP_CLASSIFIER_MAC,
+                                    "to default classified.\n");
+                    lookup_data = (void *)(long)classifier_info->
+                                    default_classified;
+            }
+
+            /*
+             * set mbuf pointer to tx buffer
+             * and transmit packet, if buffer is filled
+             */
+            push_packet(rx_pkts[i], classified_data + (long)lookup_data);
+    }
+
+
+Packet processing in forwarder and merger
+-----------------------------------------
+
+Configuration data for forwarder and merger is stored as structured
+tables ``forward_rxtx``, ``forward_path`` and ``forward_info``.
+The ``forward_rxtx`` has two member variables for expressing the port
+to be sent(tx) and to be receive(rx),
+``forward_path`` has member variables for expressing the data path.
+Like ``classifier_mac_info``, ``forward_info`` has two tables,
+one is for updating by commands, the other is for looking up to process
+packets.
+
+
+.. code-block:: c
+
+    /* spp_forward.c */
+    /* A set of port info of rx and tx */
+    struct forward_rxtx {
+            struct spp_port_info rx; /* rx port */
+            struct spp_port_info tx; /* tx port */
+    };
+
+    /* Information on the path used for forward. */
+    struct forward_path {
+            char name[SPP_NAME_STR_LEN];    /* component name */
+            volatile enum spp_component_type type;
+                                            /* component type */
+            int num;  /* number of receive ports */
+            struct forward_rxtx ports[RTE_MAX_ETHPORTS];
+                                            /* port used for transfer */
+    };
+
+    /* Information for forward. */
+    struct forward_info {
+            volatile int ref_index; /* index to reference area */
+            volatile int upd_index; /* index to update area    */
+            struct forward_path path[SPP_INFO_AREA_MAX];
+                                    /* Information of data path */
+    };
+
+
+Forward and merge the packets
+-----------------------------
+
+``spp_forward()`` defined in ``spp_forward.c`` is a main function
+for both forwarder and merger.
+``spp_forward()`` simply passes packet received from rx port to
+tx port of the pair.
+
+.. code-block:: c
+
+    /* spp_forward.c */
+            for (cnt = 0; cnt < num; cnt++) {
+                    rx = &path->ports[cnt].rx;
+                    tx = &path->ports[cnt].tx;
+
+                    /* Receive packets */
+                    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->iface_type == RING)
+                            spp_ringlatencystats_calculate_latency(
+                                            rx->iface_no,
+                                            bufs, nb_rx);
+
+                    if (tx->iface_type == RING)
+                            spp_ringlatencystats_add_time_stamp(
+                                            tx->iface_no,
+                                            bufs, nb_rx);
+    #endif /* SPP_RINGLATENCYSTATS_ENABLE */
+
+                    /* Send packets */
+                    if (tx->dpdk_port >= 0)
+                            nb_tx = rte_eth_tx_burst(
+                                    tx->dpdk_port, 0, bufs, nb_rx);
+
+                    /* Discard remained packets to release mbuf */
+                    if (unlikely(nb_tx < nb_rx)) {
+                            for (buf = nb_tx; buf < nb_rx; buf++)
+                                    rte_pktmbuf_free(bufs[buf]);
+                    }
+            }
+
+
+L2 Multicast Support
+--------------------
+
+SPP_VF also supports multicast for resolving ARP requests.
+It is implemented as ``handle_l2multicast_packet()`` and called from
+``classify_packet()`` for incoming multicast packets.
+
+.. code-block:: 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()``.
+
+.. code-block:: 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.(l2 multicast packet)\n");
+                    rte_pktmbuf_free(pkt);
+                    return;
+            }
+
+            rte_mbuf_refcnt_update(pkt,
+                    (classifier_info->num_active_classified - 1));
+
+            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/guides/spp_vf/explain/index.rst b/docs/guides/spp_vf/explain/index.rst
index 44f2341..3f56936 100644
--- a/docs/guides/spp_vf/explain/index.rst
+++ b/docs/guides/spp_vf/explain/index.rst
@@ -7,4 +7,5 @@ Explanation
 .. toctree::
    :maxdepth: 2
 
-   functions
+   functions_vf
+   functions_mirror
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 05/10] docs: add setup guide for spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (3 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 04/10] docs: add explanation of spp_mirror x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 06/10] docs: add how to use " x-fn-spp
                   ` (4 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add setup guide for spp_mirror in `Getting Started` section.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
---
 docs/guides/spp_vf/gsg/build.rst | 68 ++++++++++++++++++++++++++++++++++------
 1 file changed, 59 insertions(+), 9 deletions(-)

diff --git a/docs/guides/spp_vf/gsg/build.rst b/docs/guides/spp_vf/gsg/build.rst
index 7247699..656a388 100644
--- a/docs/guides/spp_vf/gsg/build.rst
+++ b/docs/guides/spp_vf/gsg/build.rst
@@ -6,12 +6,22 @@
 Setup
 =====
 
+This section describes how to setup ``spp_vf`` and ``spp_mirror``.
+
+
 Environment
 -----------
 
+Here is a recommended versions of each of software.
+
 * Ubuntu 16.04
-* qemu-kvm 2.7 or later(if you use vhost reconnect feature described in 3.2.3)
-* DPDK v17.11 or later
+* qemu-kvm 2.7 or later
+
+.. note::
+
+    If you do not use ``--vhost-client`` described in
+    :ref:`How to Use<spp_vf_gsg_howto_use_spp_mirror>`
+    , you can use previous versions of qemu-kvm.
 
 
 Edit Config
@@ -26,7 +36,8 @@ Uncomment user and group in ``/etc/libvirt/qemu.conf``.
     user = "root"
     group = "root"
 
-Change ``KVM_HUGEPAGES`` from 0 to 1 in ``/etc/default/qemu-kvm``.
+To use hugepages with libvirt, change ``KVM_HUGEPAGES`` from 0 to 1
+in ``/etc/default/qemu-kvm``.
 
 .. code-block:: console
 
@@ -34,13 +45,24 @@ Change ``KVM_HUGEPAGES`` from 0 to 1 in ``/etc/default/qemu-kvm``.
 
     KVM_HUGEPAGES=1
 
-Change grub config for hugepages and isolcpus.
+Change grub configuration for hugepages and isolcpus features. It is defined
+as ``GRUB_CMDLINE_LINUX_DEFAULT`` and takes parameters.
+
+* isolcpus: Core IDs separated with commna, such as ``2,3,4,8``
+* hugepagesz: The size of hugepage, such as ``2M`` or ``1G``
+* hugepages: The number of hugepages, such as ``8``
+* default_hugepagesz: Default hugepage size, required only for ``1G``
+
+In this setup guide, configure ``hugepagez`` and its default is ``1G`` and
+the number of hugepages is ``36``.
+Core IDs of for ``isolcpus`` depends on your environment and usecase,
+but should be configured to have enough number of cores.
 
 .. code-block:: c
 
     # /etc/default/grub
 
-    GRUB_CMDLINE_LINUX_DEFAULT="isolcpus=2,...,46 hugepagesz=1G hugepages=36 default_hugepagesz=1G"
+    GRUB_CMDLINE_LINUX_DEFAULT="isolcpus=2,...,46 hugepagesz=1G hugepages=..."
 
 For hugepages, isolcpus, refer to the dpdk documentation below.
 
@@ -129,17 +151,20 @@ Load igb_uio module.
     igb_uio                16384  0  # igb_uio is loaded
     uio                    20480  1 igb_uio
 
-Then, bind it with PCI_Number.
+Then, bind your devices with PCI number by using ``dpdk-devbind.py``.
+PCI number is inspected
 
 .. code-block:: console
 
-    $ $RTE_SDK/usertools/dpdk-devbind.py --status
     # check your device for PCI_Number
+    $ $RTE_SDK/usertools/dpdk-devbind.py --status
+
+    $ sudo $RTE_SDK/usertools/dpdk-devbind.py --bind=igb_uio PCI_NUM
 
-    $ sudo $RTE_SDK/usertools/dpdk-devbind.py --bind=igb_uio [PCI_Number]
 
 virsh setup
 -----------
+
 First of all, please check version of qemu-kvm.
 
 .. code-block:: console
@@ -151,7 +176,8 @@ then please install qemu following
 the instruction of https://wiki.qemu.org/index.php/Hosts/Linux
 to install qemu 2.7.
 You may need to install libvirt-bin,
-virtinst, bridge-utils packages via ``apt-get`` install to run ``virt-install``.
+virtinst, bridge-utils packages via ``apt-get`` install to run
+``virt-install``.
 
 
 ``virsh`` is a command line interface that can be used to create, destroy,
@@ -297,6 +323,30 @@ using Secondary command.
     </domain>
 
 
+Setup spp_mirror
+----------------
+
+Setup of ``spp_mirror`` is almost the same as :ref:`SPP VF<spp_vf_gsg_build>`.
+Configuration of use of ``shallowcopy`` or ``deepcopy`` is different from
+``spp_vf``.
+It is defined in ``src/mirror/Makefile`` and which of copying is used is
+configured by editing ``CFLAG`` option. It is defined to use ``shallowcopy``
+by default.
+
+If you use ``deepcopy``, comment out the line of ``-Dspp_mirror_SHALLOWCOPY``
+to be disabled.
+
+.. code-block:: c
+
+   #CFLAGS += -Dspp_mirror_SHALLOWCOPY
+
+Then, run make command to compile ``spp_mirror``.
+
+.. code-block:: console
+
+   $ make
+
+
 Trouble Shooting Guide
 ----------------------
 
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 06/10] docs: add how to use guide for spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (4 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 05/10] docs: add setup guide for spp_mirror x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 07/10] docs: add usecase of spp_mirror x-fn-spp
                   ` (3 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add how to use guide for spp_mirror in `Getting Started`.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/spp_vf/gsg/howto_use.rst | 59 ++++++++++++++++++++++--------------
 1 file changed, 36 insertions(+), 23 deletions(-)

diff --git a/docs/guides/spp_vf/gsg/howto_use.rst b/docs/guides/spp_vf/gsg/howto_use.rst
index 715fd8b..52a9c54 100644
--- a/docs/guides/spp_vf/gsg/howto_use.rst
+++ b/docs/guides/spp_vf/gsg/howto_use.rst
@@ -23,7 +23,7 @@ SPP primary allocates and manages resources for secondary processes.
 You need to run SPP primary before secondary processes.
 
 SPP primary has two kinds of options for DPDK and spp.
-Before ``--`` are for DPDK is, and after ``--`` are for spp.
+Before ``--`` are for DPDK is, and after it are for spp.
 
 See `Running a Sample Application
 <http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#running-a-sample-application>`_
@@ -40,23 +40,23 @@ Then, spp primary can be launched like this.
 .. code-block:: console
 
     $ sudo ./src/primary/x86_64-native-linuxapp-gcc/spp_primary \
-      -c 0x02 -n 4 --socket-mem 512,512 \
+      -l 1 -n 4 --socket-mem 512,512 \
       --huge-dir=/run/hugepages/kvm \
       --proc-type=primary \
-      -- -p 0x03 -n 9 -s 127.0.0.1:5555
+      -- \
+      -p 0x03 -n 9 -s 127.0.0.1:5555
 
-SPP Secondary
--------------
+spp_vf
+------
 
-spp secondary processes(``spp_vf``) can be launched with two kinds of
-options, like primary process.
+``spp_vf`` can be launched with two kinds of options, like primary process.
 
 Like primary process, ``spp_vf`` has two kinds of options. One is for
 DPDK, the other is ``spp_vf``.
 
 ``spp_vf`` specific options are:
 
-  * --client-id: client id
+  * --client-id: client id which can be seen as secondary ID from spp.py
   * -s: IPv4 address and port for spp secondary
   * --vhost-client: vhost-user client enable setting
 
@@ -65,8 +65,9 @@ DPDK, the other is ``spp_vf``.
 .. code-block:: console
 
     $ 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
+    -l 0,2-13 -n 4 --proc-type=secondary \
+    -- \
+    --client-id 1 -s 127.0.0.1:6666 --vhost-client
 
 If ``--vhost-client`` option is specified, then ``vhost-user`` act as
 the client, otherwise the server.
@@ -75,35 +76,47 @@ used. This reconnect features requires QEMU 2.7 (or later).
 See also `Vhost Sample Application
 <http://dpdk.org/doc/guides/sample_app_ug/vhost.html>`_.
 
+
+.. _spp_vf_gsg_howto_use_spp_mirror:
+
+spp_mirror
+----------
+
+``spp_mirror`` takes the same options as ``spp_vf``. Here is an example.
+
+.. code-block:: console
+
+    $ sudo ./src/mirror/x86_64-native-linuxapp-gcc/spp_mirror \
+    -l 2 -n 4 --proc-type=secondary \
+    -- \
+    --client-id 1 -s 127.0.0.1:6666 --vhost-client
+
 VM
 --
 
-Launch VMs with ``virsh`` command.
+VM is launched with ``virsh`` command.
 
 .. code-block:: console
 
     $ virsh start [VM]
 
+It is required to add network configuration for processes running on the VMs.
+If this configuration is skipped, processes cannot communicate with others
+via SPP.
 
-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.
-
-(1) Guest VMs
+On the VMs, add an interface and disable offload.
 
 .. code-block:: console
 
-    # Interface for vhost
+    # Add interface
     $ sudo ifconfig [IF_NAME] inet [IP_ADDR] netmask [NETMASK] up
 
-    # Disable offload for vhost interface
+    # Disable offload
     $ sudo ethtool -K [IF_NAME] tx off
 
-(2) Host2
+On host machine, it is also required to disable offload.
 
 .. code-block:: console
 
-    # Disable offload for VM interface
-    $ ethtool -K [IF_NAME] tx off
+    # Disable offload for VM
+    $ sudo ethtool -K [IF_NAME] tx off
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 07/10] docs: add usecase of spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (5 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 06/10] docs: add how to use " x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 08/10] docs: add usecase images " x-fn-spp
                   ` (2 subsequent siblings)
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add usecase section of spp_mirror.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Ogawa Yasufumi <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/spp_vf/use_cases/index.rst    |   1 +
 docs/guides/spp_vf/use_cases/usecase2.rst | 266 ++++++++++++++++++++++++++++++
 2 files changed, 267 insertions(+)
 create mode 100644 docs/guides/spp_vf/use_cases/usecase2.rst

diff --git a/docs/guides/spp_vf/use_cases/index.rst b/docs/guides/spp_vf/use_cases/index.rst
index 7f07b89..67e8616 100644
--- a/docs/guides/spp_vf/use_cases/index.rst
+++ b/docs/guides/spp_vf/use_cases/index.rst
@@ -8,3 +8,4 @@ Use Cases
    :maxdepth: 2
 
    usecase1
+   usecase2
diff --git a/docs/guides/spp_vf/use_cases/usecase2.rst b/docs/guides/spp_vf/use_cases/usecase2.rst
new file mode 100644
index 0000000..1025284
--- /dev/null
+++ b/docs/guides/spp_vf/use_cases/usecase2.rst
@@ -0,0 +1,266 @@
+..
+   SPDX-License-Identifier: BSD-3-Clause
+   Copyright(c) 2018 Nippon Telegraph and Telephone Corporation
+
+
+.. _spp_mirror_use_cases_usecase1:
+
+Mirroring packet from a VM
+==========================
+
+This section describes a usage for mirroring from a VM to other VM through
+spp_mirror.  Traffic from host2 is forwarded to each VM inside host1 thorough
+spp_vf. spp_vf is required to forward traffic from host NIC to each VM.
+
+In this usecase, spp-ctl should be started first. And then primary process
+should be started with -n 16 like following because for giving enough number
+of rings.
+
+Move to spp directory.
+
+.. code-block:: console
+
+   $cd /path/to/spp
+
+Start spp-ctl using python3.
+
+.. code-block:: console
+
+   $ python3 ./src/spp-ctl/spp-ctl
+
+Start spp_primary with core id 1.
+
+.. code-block:: console
+
+   # Type the following in different terminal
+   $ sudo ./src/primary/x86_64-native-linuxapp-gcc/spp_primary \
+       -l 1 -n 4 \
+       --socket-mem 512,512 \
+       --huge-dir=/run/hugepages/kvm \
+       --proc-type=primary \
+       -- \
+       -p 0x03 -n 16 -s 127.0.0.1:5555
+
+.. _figure_simple_mirroring:
+
+.. figure:: ../../images/spp_vf/spp_mirror_usecase1_overview.*
+   :width: 90%
+
+   Mirroring from a VM
+
+VM for spp_vf
+-------------
+
+The first step is creating VM1 for running ``spp_vf``.
+A process of ``spp_vf`` is started with core list ``0,2-14`` in this usecase.
+
+Start spp_vf with core list 0,2-14.
+
+.. code-block:: console
+
+   $ sudo ./src/vf/x86_64-native-linuxapp-gcc/spp_vf \
+       -l 0,2-14 -n 4 --proc-type=secondary \
+       -- \
+       --client-id 1 \
+       -s 127.0.0.1:6666 \
+       --vhost-client
+
+Start components for spp_vf.
+
+.. code-block:: console
+
+   # start components
+   spp > vf 1; component start classifier 2 classifier_mac
+   spp > vf 1; component start merger 3 merge
+   spp > vf 1; component start forwarder1 4 forward
+   spp > vf 1; component start forwarder2 5 forward
+   spp > vf 1; component start forwarder3 6 forward
+   spp > vf 1; component start forwarder4 7 forward
+
+Add ports for started components.
+
+.. code-block:: console
+
+   # add ports
+   spp > vf 1; port add phy:0 rx classifier
+   spp > vf 1; port add phy:0 tx merger
+   spp > vf 1; port add ring:0 tx classifier
+   spp > vf 1; port add ring:1 tx classifier
+   spp > vf 1; port add ring:0 rx forwarder1
+   spp > vf 1; port add ring:1 rx forwarder2
+   spp > vf 1; port add ring:2 rx merger
+   spp > vf 1; port add ring:3 rx merger
+   spp > vf 1; port add ring:2 tx forwarder3
+   spp > vf 1; port add ring:3 tx forwarder4
+   spp > vf 1; port add vhost:0 tx forwarder1
+   spp > vf 1; port add vhost:1 rx forwarder3
+   spp > vf 1; port add vhost:2 tx forwarder2
+   spp > vf 1; port add vhost:3 rx forwarder4
+
+Add classifier table entries.
+
+.. code-block:: console
+
+   # add classifier table entry
+   spp > vf 1; classifier_table add mac 52:54:00:12:34:56 ring:0
+   spp > vf 1; classifier_table add mac 52:54:00:12:34:58 ring:1
+
+
+To capture incoming packets on VM1, use tcpdump for the interface, ``ens4``
+in this case.
+
+.. code-block:: console
+
+    # capture on ens4 of VM1
+    $ tcpdump -i ens4
+
+You send packets from the remote host1 and confirm packets are received.
+
+.. code-block:: console
+
+    # spp-vm1 via NIC0 from host1
+    $ ping 192.168.140.21
+
+
+Mirroring with spp_mirror
+-------------------------
+
+The second step is starting with creating VM running with spp_mirror.
+
+Network Configuration
+^^^^^^^^^^^^^^^^^^^^^
+
+Incoming packets from NIC are forwarded to VM1 through spp_vf.
+
+Detailed configuration of :numref:`figure_simple_mirroring` is
+described below. There are two NICs on the host to send and receive packets.
+During that path, mirror component mirror1 replicates packet to merger3.
+
+.. _figure_network_config:
+
+  .. figure:: ../../images/spp_vf/spp_mirror_usecase1_nwconfig1.*
+     :width: 110%
+
+     Network Configuration
+
+Launch spp_mirror
+^^^^^^^^^^^^^^^^^
+Change directory to spp and confirm that it is already compiled.
+
+.. code-block:: console
+
+   $ cd /path/to/spp
+
+Run secondary process ``spp_mirror``.
+
+.. code-block:: console
+
+   $ sudo ./src/mirror/x86_64-native-linuxapp-gcc/app/spp_mirror \
+     -l 0,15 -n 4 --proc-type=secondary \
+     -- \
+     --client-id 2 \
+     -s 127.0.0.1:6666 \
+     --vhost-client
+
+
+.. note::
+   For SPP secondary processes, client id given with ``--client-id`` option
+   should not be overlapped each otherand. It is also the same for core list
+   ``-l``.
+
+Start mirror component with core id 15.
+
+.. code-block:: console
+
+    # Start component of spp_mirror on coreID 15
+    spp > sec 2;component start mirror1 15 mirror
+
+Add ring:0 as rx ports and add ring:8 and ring:9 as tx port to mirror.
+
+.. code-block:: console
+
+   # mirror1
+   spp > mirror 2;port add ring:0 rx mirror1
+   spp > mirror 2;port add ring:8 tx mirror1
+   spp > mirror 2;port add ring:9 tx mirror1
+
+Start merger3 with core id 14.
+
+.. code-block:: console
+
+   # Start component of spp_vf on coreID 14
+   spp > vf 1;component start merger3 14 forward
+
+Add ring:9 as rx port of merger3 and vhost:4 as tx port of merger3.
+
+.. code-block:: console
+
+   # merger3
+   spp > vf 1;port add ring:9 rx merger3
+   spp > vf 1;port add vhost:4 tx merger3
+
+Delete ring:0 as rx port of forwarder1 and ring:8  as rx port of forwarder1.
+
+.. code-block:: console
+
+   # forward1
+   spp > vf 1;port del ring:0 rx forwarder1
+   spp > vf 1;port add ring:8 rx forwarder1
+
+
+Receive packet on VM3
+^^^^^^^^^^^^^^^^^^^^^
+
+You can capture incoming packets on VM3.
+If you capture packet on VM1, the same packet would be captured.
+
+.. code-block:: console
+
+   # capture on ens4 fo VM1 and VM3
+   $ tcpdump -i ens4
+
+Now, you can send packet from the remote host1.
+
+.. code-block:: console
+
+   # spp-vm1 via NIC0 from host1
+   $ ping 192.168.140.21
+
+
+Stop Mirroring
+^^^^^^^^^^^^^^
+
+Firstly, delete ports for components.
+
+Delete ports for components.
+
+.. code-block:: console
+
+   # Delete port for mirror1
+   spp > mirror 2;port del ring:0 rx mirror1
+   spp > mirror 2;port del ring:8 tx mirror1
+   spp > mirror 2;port del ring:9 tx mirror1
+
+   # Delete port for merger3
+   spp > vf 1;port del ring:9 rx merger3
+   spp > vf 1;port del vhost:4 tx merger3
+
+   # Delete port for forwarder1
+   spp > vf 1;port del ring:8 rx forwarder1
+
+Next, stop components.
+
+.. code-block:: console
+
+   # Stop mirror
+   spp > mirror 2;component stop mirror1 15 mirror
+
+   # Stop merger
+   spp > vf 1;component stop merger3 14 forward
+
+Add port from classifier_mac1 to VM1.
+
+.. code-block:: console
+
+    # Add port from classifier_mac1 to VM1.
+    spp > vf 1;port add ring:0 rx forwarder1
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 08/10] docs: add usecase images of spp_mirror
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (6 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 07/10] docs: add usecase of spp_mirror x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 09/10] docs: add label for usecase to be referred x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 10/10] docs: refactor primary commands section x-fn-spp
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add usecase images of spp_mirror.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
---
 .../images/spp_vf/spp_mirror_usecase_nwconfig.svg  | 1434 ++++++++++++++++++++
 .../images/spp_vf/spp_mirror_usecase_overview.svg  |  544 ++++++++
 docs/guides/spp_vf/use_cases/usecase2.rst          |   14 +-
 3 files changed, 1985 insertions(+), 7 deletions(-)
 create mode 100644 docs/guides/images/spp_vf/spp_mirror_usecase_nwconfig.svg
 create mode 100644 docs/guides/images/spp_vf/spp_mirror_usecase_overview.svg

diff --git a/docs/guides/images/spp_vf/spp_mirror_usecase_nwconfig.svg b/docs/guides/images/spp_vf/spp_mirror_usecase_nwconfig.svg
new file mode 100644
index 0000000..94f91fb
--- /dev/null
+++ b/docs/guides/images/spp_vf/spp_mirror_usecase_nwconfig.svg
@@ -0,0 +1,1434 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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diff --git a/docs/guides/spp_vf/use_cases/usecase2.rst b/docs/guides/spp_vf/use_cases/usecase2.rst
index 1025284..b59229a 100644
--- a/docs/guides/spp_vf/use_cases/usecase2.rst
+++ b/docs/guides/spp_vf/use_cases/usecase2.rst
@@ -3,7 +3,7 @@
    Copyright(c) 2018 Nippon Telegraph and Telephone Corporation
 
 
-.. _spp_mirror_use_cases_usecase1:
+.. _spp_mirror_use_cases_usecase:
 
 Mirroring packet from a VM
 ==========================
@@ -43,8 +43,8 @@ Start spp_primary with core id 1.
 
 .. _figure_simple_mirroring:
 
-.. figure:: ../../images/spp_vf/spp_mirror_usecase1_overview.*
-   :width: 90%
+.. figure:: ../../images/spp_vf/spp_mirror_usecase_overview.*
+   :width: 60%
 
    Mirroring from a VM
 
@@ -136,12 +136,12 @@ Detailed configuration of :numref:`figure_simple_mirroring` is
 described below. There are two NICs on the host to send and receive packets.
 During that path, mirror component mirror1 replicates packet to merger3.
 
-.. _figure_network_config:
+.. _figure_spp_mirror_usecase_nwconfig:
 
-  .. figure:: ../../images/spp_vf/spp_mirror_usecase1_nwconfig1.*
-     :width: 110%
+  .. figure:: ../../images/spp_vf/spp_mirror_usecase_nwconfig.*
+     :width: 80%
 
-     Network Configuration
+     Network configuration of mirroring
 
 Launch spp_mirror
 ^^^^^^^^^^^^^^^^^
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 09/10] docs: add label for usecase to be referred
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (7 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 08/10] docs: add usecase images " x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  2018-11-30  5:41 ` [spp] [PATCH 10/10] docs: refactor primary commands section x-fn-spp
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Add a label to `Shutdown SPP VF Components` section to be referred.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 docs/guides/spp_vf/use_cases/usecase1.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/guides/spp_vf/use_cases/usecase1.rst b/docs/guides/spp_vf/use_cases/usecase1.rst
index 711df03..4a8f4bc 100644
--- a/docs/guides/spp_vf/use_cases/usecase1.rst
+++ b/docs/guides/spp_vf/use_cases/usecase1.rst
@@ -282,6 +282,8 @@ Now, you can login to VMs from the remote host1.
     # spp-vm2 via NIC1
     $ ssh sppuser@192.168.150.32
 
+.. _spp_vf_use_cases_usecase1_shutdown_spp_vf_components:
+
 Shutdown SPP VF Components
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [spp] [PATCH 10/10] docs: refactor primary commands section
       [not found] <20181130054118.24543-1-x-fn-spp@sl.ntt-tx.co.jp>
                   ` (8 preceding siblings ...)
  2018-11-30  5:41 ` [spp] [PATCH 09/10] docs: add label for usecase to be referred x-fn-spp
@ 2018-11-30  5:41 ` x-fn-spp
  9 siblings, 0 replies; 10+ messages in thread
From: x-fn-spp @ 2018-11-30  5:41 UTC (permalink / raw)
  To: ferruh.yigit, ogawa.yasufumi; +Cc: spp

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

Misc update to adjust the length of underline of section header.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/commands/primary.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/guides/commands/primary.rst b/docs/guides/commands/primary.rst
index e49f990..a156966 100644
--- a/docs/guides/commands/primary.rst
+++ b/docs/guides/commands/primary.rst
@@ -2,7 +2,7 @@
     Copyright(c) 2010-2014 Intel Corporation
 
 Primary Commands
-====================
+================
 
 Primary process is managed with ``pri`` command.
 
-- 
2.7.4

^ permalink raw reply	[flat|nested] 10+ messages in thread

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