[dpdk-dev] [PATCH] example/ipsec-secgw: ipsec security gateway
Jerin Jacob
jerin.jacob at caviumnetworks.com
Sun Jan 31 15:39:25 CET 2016
On Fri, Jan 29, 2016 at 08:29:12PM +0000, Sergio Gonzalez Monroy wrote:
> Sample app implementing an IPsec Security Geteway.
> The main goal of this app is to show the use of cryptodev framework
> in a real world application.
>
> Currently only supported static IPv4 IPsec tunnels using AES-CBC
> and HMAC-SHA1.
>
> Also, currently not supported:
> - SA auto negotiation (No IKE support)
> - chained mbufs
>
> Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
Hi Sergio,
Great effort, one of the best highly integrated sample DPDK application
(ethernet, acl, crypto and lpm)
> ---
> MAINTAINERS | 4 +
> doc/guides/sample_app_ug/index.rst | 1 +
> doc/guides/sample_app_ug/ipsec_secgw.rst | 440 +++++++++++
> examples/Makefile | 2 +
> examples/ipsec-secgw/Makefile | 58 ++
> examples/ipsec-secgw/esp.c | 256 +++++++
> examples/ipsec-secgw/esp.h | 66 ++
> examples/ipsec-secgw/ipip.h | 100 +++
> examples/ipsec-secgw/ipsec-secgw.c | 1218 ++++++++++++++++++++++++++++++
> examples/ipsec-secgw/ipsec.c | 138 ++++
> examples/ipsec-secgw/ipsec.h | 184 +++++
> examples/ipsec-secgw/rt.c | 131 ++++
> examples/ipsec-secgw/sa.c | 391 ++++++++++
> examples/ipsec-secgw/sp.c | 324 ++++++++
> 14 files changed, 3313 insertions(+)
> create mode 100644 doc/guides/sample_app_ug/ipsec_secgw.rst
> create mode 100644 examples/ipsec-secgw/Makefile
> create mode 100644 examples/ipsec-secgw/esp.c
> create mode 100644 examples/ipsec-secgw/esp.h
> create mode 100644 examples/ipsec-secgw/ipip.h
> create mode 100644 examples/ipsec-secgw/ipsec-secgw.c
> create mode 100644 examples/ipsec-secgw/ipsec.c
> create mode 100644 examples/ipsec-secgw/ipsec.h
> create mode 100644 examples/ipsec-secgw/rt.c
> create mode 100644 examples/ipsec-secgw/sa.c
> create mode 100644 examples/ipsec-secgw/sp.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b90aeea..996eda6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -596,3 +596,7 @@ F: doc/guides/sample_app_ug/vmdq_dcb_forwarding.rst
> M: Pablo de Lara <pablo.de.lara.guarch at intel.com>
> M: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
> F: examples/ptpclient/
> +
> +M: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
> +F: doc/guides/sample_app_ug/ipsec-secgw.rst
> +F: examples/ipsec-secgw/
> diff --git a/doc/guides/sample_app_ug/index.rst b/doc/guides/sample_app_ug/index.rst
> index 8a646dd..88375d2 100644
> --- a/doc/guides/sample_app_ug/index.rst
> +++ b/doc/guides/sample_app_ug/index.rst
> @@ -73,6 +73,7 @@ Sample Applications User Guide
> proc_info
> ptpclient
> performance_thread
> + ipsec_secgw
>
> **Figures**
>
> diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst b/doc/guides/sample_app_ug/ipsec_secgw.rst
> new file mode 100644
> index 0000000..7be3f7e
> --- /dev/null
> +++ b/doc/guides/sample_app_ug/ipsec_secgw.rst
> @@ -0,0 +1,440 @@
> +.. BSD LICENSE
> + Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + All rights reserved.
> +
> + Redistribution and use in source and binary forms, with or without
> + modification, are permitted provided that the following conditions
> + are met:
> +
> + * Redistributions of source code must retain the above copyright
> + notice, this list of conditions and the following disclaimer.
> + * Redistributions in binary form must reproduce the above copyright
> + notice, this list of conditions and the following disclaimer in
> + the documentation and/or other materials provided with the
> + distribution.
> + * Neither the name of Intel Corporation nor the names of its
> + contributors may be used to endorse or promote products derived
> + from this software without specific prior written permission.
> +
> + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +IPsec Security Gateway Sample Application
> +=========================================
> +
> +The IPsec Security Gateway application is a minimal example of real work
> +application using DPDK cryptodev framework.
> +
> +Overview
> +--------
> +
> +The application demonstrates the implementation of a minimal Security Gateway
> +(see Constraints bellow) using DPDK based on RFC4301, RFC4303, RFC3602 and
> +RFC2404.
> +
> +Note that IKE is not supported (therefore not IPsec compliant), so only manual
> +setting of Security Policies and Associations is allowed.
> +
> +The Security Policies (SP) are implemented as ACL rules, the Security
> +Associations (SA) are stored in a table and the Routing is implemented
> +using LPM.
> +
> +The application splits the ports between Protected and Unprotected.
> +Based on the port the trafic is coming from, the traffic would be consider
> +IPsec Inbound or Outbound.
> +Traffic from Unprotected ports is consider IPsec Inbound, and traffic from
> +Protected ports is consider IPsec Outbound.
> +
> +Path for IPsec Inbound traffic:
> +* Read packets from the port
> +* Classify packets between IPv4 and ESP.
> +* Inbound SA lookup for ESP packets based on their SPI
> +* Verification/Decryption
> +* Removal of ESP and outter IP header
> +* Inbound SP check using ACL of decrypted packets and any other IPv4 packet
> +we read.
> +* Routing
> +* Write packet to port
> +
> +Path for IPsec Outbound traffic:
> +* Read packets from the port
> +* Outbound SP check using ACL of all IPv4 traffic
> +* Outbound SA lookup for packets that need IPsec protection
> +* Add ESP and outter IP header
> +* Encryption/Digest
> +* Routing
> +* Write packet to port
> +
> +Constraints
> +-----------
> +* IPv4 traffic
> +* ESP tunnel mode
> +* EAS-CBC and HMAC-SHA1
> +* Each SA must be handle by a unique lcore (1 RX queue per port)
> +* No chained mbufs
> +
> +Compiling the Application
> +-------------------------
> +
> +To compile the application:
> +
> +#. Go to the sample application directory:
> +
> + .. code-block:: console
> +
> + export RTE_SDK=/path/to/rte_sdk
> + cd ${RTE_SDK}/examples/ipsec-secgw
> +
> +#. Set the target (a default target is used if not specified). For example:
> +
> + .. code-block:: console
> +
> + export RTE_TARGET=x86_64-native-linuxapp-gcc
> +
> + See the *DPDK Getting Started Guide* for possible RTE_TARGET values.
> +
> +#. Build the application:
> +
> + .. code-block:: console
> +
> + make
> +
> +Running the Application
> +-----------------------
> +
> +The application has a number of command line options:
> +
> +.. code-block:: console
> +
> + ./build/ipsec-secgw [EAL options] -- -p PORTMASK -P -u PORTMASK --config
> + (port,queue,lcore)[,(port,queue,lcore] --EP0|--EP1 --cdev AESNI|QAT
> +
> +where,
> +
> +* -p PORTMASK: Hexadecimal bitmask of ports to configure
> +
> +* -P: optional, sets all ports to promiscuous mode so that packets are
> + accepted regardless of the packet's Ethernet MAC destination address.
> + Without this option, only packets with the Ethernet MAC destination address
> + set to the Ethernet address of the port are accepted (default is enabled).
> +
> +* -u PORTMASK: hexadecimal bitmask of unprotected ports
> +
> +* --config (port,queue,lcore)[,(port,queue,lcore)]: determines which queues
> + from which ports are mapped to which cores
> +
> +* --cdev AESNI/QAT: choose whether to use QAT HW crypto or EASNI SW crypto
> +
> +* --EP0: configure the app as Endpoint 0.
> +
> +* --EP1: configure the app as Endpoint 1.
> +
> +Either --EP0 or --EP1 must be specified.
> +
> +The mapping of lcores to port/queues is similar to other l3fwd applications.
> +
> +For example, given the following command line:
> +.. code-block:: console
> +
> + ./build/ipsec-secgw -l 20,21 -n 4 --socket-mem 0,2048 -- -p 0xf -P -u 0x3
> + --config="(0,0,20),(1,0,20),(2,0,21),(3,0,21)" --cdev AESNI --EP0
> +
> +where each options means:
> +
> +* The -l option enables cores 20 and 21
> +
> +* The -n option sets memory 4 channels
> +
> +* The --socket-mem to use 2GB on socket 1
> +
> +* The -p option enables ports (detected) 0, 1, 2 and 3
> +
> +* The -P option enables promiscous mode
> +
> +* The -u option sets ports 1 and 2 as unprotected, leaving 2 and 3 as protected
> +
> +* The --config option enables one queue per port with the following mapping:
> +
> ++----------+-----------+-----------+---------------------------------------+
> +| **Port** | **Queue** | **lcore** | **Description** |
> +| | | | |
> ++----------+-----------+-----------+---------------------------------------+
> +| 0 | 0 | 20 | Map queue 0 from port 0 to lcore 20. |
> +| | | | |
> ++----------+-----------+-----------+---------------------------------------+
> +| 1 | 0 | 20 | Map queue 0 from port 1 to lcore 20. |
> +| | | | |
> ++----------+-----------+-----------+---------------------------------------+
> +| 2 | 0 | 21 | Map queue 0 from port 2 to lcore 21. |
> +| | | | |
> ++----------+-----------+-----------+---------------------------------------+
> +| 3 | 0 | 21 | Map queue 0 from port 3 to lcore 21. |
> +| | | | |
> ++----------+-----------+-----------+---------------------------------------+
> +
> +Refer to the *DPDK Getting Started Guide* for general information on running applications and the Environment Abstraction Layer (EAL) options.
> +
> +Configurations
> +--------------
> +
> +The following sections provide some details on the default values used to
> +initialize the SP, SA and Routing tables.
> +Currently all the configuration is hardcoded into the application.
> +
> +Security Policy Initialization
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +As mention in the overview, the Security Policies are ACL rules.
> +There are two ACLs, Inbound and Outboud.
> +The application would also replicate the set of two ACLs per socket in use.
> +
> +Following are the default rules:
> +
> +Endpoint 0 Outbound Security Policies:
> +
> ++---------+------------------+-----------+------------+
> +| **Src** | **Dst** | **proto** | **SA idx** |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.105.0/24 | Any | 5 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.106.0/24 | Any | 6 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.107.0/24 | Any | 7 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.108.0/24 | Any | 8 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +
> +Endpoint 0 Inbound Security Policies:
> +
> ++---------+------------------+-----------+------------+
> +| **Src** | **Dst** | **proto** | **SA idx** |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.115.0/24 | Any | 5 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.116.0/24 | Any | 6 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.117.0/24 | Any | 7 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.118.0/24 | Any | 8 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +
> +Endpoint 1 Outbound Security Policies:
> +
> ++---------+------------------+-----------+------------+
> +| **Src** | **Dst** | **proto** | **SA idx** |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.115.0/24 | Any | 5 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.116.0/24 | Any | 6 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.117.0/24 | Any | 7 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.118.0/24 | Any | 8 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +
> +Endpoint 1 Inbound Security Policies:
> +
> ++---------+------------------+-----------+------------+
> +| **Src** | **Dst** | **proto** | **SA idx** |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.105.0/24 | Any | 5 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.106.0/24 | Any | 6 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.107.0/24 | Any | 7 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +| Any | 192.168.108.0/24 | Any | 8 |
> +| | | | |
> ++---------+------------------+-----------+------------+
> +
> +
> +Security Association Initialization
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The SAs are kept in a array table.
> +
> +For Inbound, the SPI is used as index module the table size.
> +This means that on a table for 100 SA, SPI 5 and 105 would use the same index
> +and that is not currently supported.
> +
> +Notice that it is not an issue for Outbound traffic as we store the index and
> +not the SPI in the Security Policy.
> +
> +All SAs are configured with the same cipher algo, block size and key (AES-CBC
> +16B block), and same authentication algo, digest size and key (HMAC-SHA1, 12B
> +digest).
> +
> +Following are the default values:
> +
> +Endpoint 0 Outbound Security Associations:
> +
> ++---------+----------------+------------------+
> +| **SPI** | **Tunnel src** | **Tunnel dst** |
> +| | | |
> ++---------+----------------+------------------+
> +| 5 | 172.16.1.5 | 172.16.2.5 |
> +| | | |
> ++---------+----------------+------------------+
> +| 6 | 172.16.1.6 | 172.16.2.6 |
> +| | | |
> ++---------+----------------+------------------+
> +| 7 | 172.16.1.7 | 172.16.2.7 |
> +| | | |
> ++---------+----------------+------------------+
> +| 8 | 172.16.1.8 | 172.16.2.8 |
> +| | | |
> ++---------+----------------+------------------+
> +
> +Endpoint 0 Inbound Security Associations:
> +
> ++---------+----------------+------------------+
> +| **SPI** | **Tunnel src** | **Tunnel dst** |
> +| | | |
> ++---------+----------------+------------------+
> +| 5 | 172.16.2.5 | 172.16.1.5 |
> +| | | |
> ++---------+----------------+------------------+
> +| 6 | 172.16.2.6 | 172.16.1.6 |
> +| | | |
> ++---------+----------------+------------------+
> +| 7 | 172.16.2.7 | 172.16.1.7 |
> +| | | |
> ++---------+----------------+------------------+
> +| 8 | 172.16.2.8 | 172.16.1.8 |
> +| | | |
> ++---------+----------------+------------------+
> +
> +Endpoint 1 Outbound Security Associations:
> +
> ++---------+----------------+------------------+
> +| **SPI** | **Tunnel src** | **Tunnel dst** |
> +| | | |
> ++---------+----------------+------------------+
> +| 5 | 172.16.2.5 | 172.16.1.5 |
> +| | | |
> ++---------+----------------+------------------+
> +| 6 | 172.16.2.6 | 172.16.1.6 |
> +| | | |
> ++---------+----------------+------------------+
> +| 7 | 172.16.2.7 | 172.16.1.7 |
> +| | | |
> ++---------+----------------+------------------+
> +| 8 | 172.16.2.8 | 172.16.1.8 |
> +| | | |
> ++---------+----------------+------------------+
> +
> +Endpoint 1 Inbound Security Associations:
> +
> ++---------+----------------+------------------+
> +| **SPI** | **Tunnel src** | **Tunnel dst** |
> +| | | |
> ++---------+----------------+------------------+
> +| 5 | 172.16.1.5 | 172.16.2.5 |
> +| | | |
> ++---------+----------------+------------------+
> +| 6 | 172.16.1.6 | 172.16.2.6 |
> +| | | |
> ++---------+----------------+------------------+
> +| 7 | 172.16.1.7 | 172.16.2.7 |
> +| | | |
> ++---------+----------------+------------------+
> +| 8 | 172.16.1.8 | 172.16.2.8 |
> +| | | |
> ++---------+----------------+------------------+
> +
> +Routing Initialization
> +~~~~~~~~~~~~~~~~~~~~~~
> +
> +The Routing is implemented using LPM table.
> +
> +Following default values:
> +
> +Endpoint 0 Routing Table:
> +
> ++------------------+----------+
> +| **Dst addr** | **Port** |
> +| | |
> ++------------------+----------+
> +| 172.16.2.5/32 | 0 |
> +| | |
> ++------------------+----------+
> +| 172.16.2.6/32 | 0 |
> +| | |
> ++------------------+----------+
> +| 172.16.2.7/32 | 1 |
> +| | |
> ++------------------+----------+
> +| 172.16.2.8/32 | 1 |
> +| | |
> ++------------------+----------+
> +| 192.168.115.0/24 | 2 |
> +| | |
> ++------------------+----------+
> +| 192.168.116.0/24 | 2 |
> +| | |
> ++------------------+----------+
> +| 192.168.117.0/24 | 3 |
> +| | |
> ++------------------+----------+
> +| 192.168.118.0/24 | 3 |
> +| | |
> ++------------------+----------+
> +
> +Endpoint 1 Routing Table:
> +
> ++------------------+----------+
> +| **Dst addr** | **Port** |
> +| | |
> ++------------------+----------+
> +| 172.16.1.5/32 | 2 |
> +| | |
> ++------------------+----------+
> +| 172.16.1.6/32 | 2 |
> +| | |
> ++------------------+----------+
> +| 172.16.1.7/32 | 3 |
> +| | |
> ++------------------+----------+
> +| 172.16.1.8/32 | 3 |
> +| | |
> ++------------------+----------+
> +| 192.168.105.0/24 | 0 |
> +| | |
> ++------------------+----------+
> +| 192.168.106.0/24 | 0 |
> +| | |
> ++------------------+----------+
> +| 192.168.107.0/24 | 1 |
> +| | |
> ++------------------+----------+
> +| 192.168.108.0/24 | 1 |
> +| | |
> ++------------------+----------+
> diff --git a/examples/Makefile b/examples/Makefile
> index 1cb4785..65ce6ce 100644
> --- a/examples/Makefile
> +++ b/examples/Makefile
> @@ -1,6 +1,7 @@
> # BSD LICENSE
> #
> # Copyright(c) 2014 6WIND S.A.
> +# Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> #
> # Redistribution and use in source and binary forms, with or without
> # modification, are permitted provided that the following conditions
> @@ -78,5 +79,6 @@ DIRS-y += vmdq
> DIRS-y += vmdq_dcb
> DIRS-$(CONFIG_RTE_LIBRTE_POWER) += vm_power_manager
> DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += l2fwd-crypto
> +DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += ipsec-secgw
>
> include $(RTE_SDK)/mk/rte.extsubdir.mk
> diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile
> new file mode 100644
> index 0000000..5f893b8
> --- /dev/null
> +++ b/examples/ipsec-secgw/Makefile
> @@ -0,0 +1,58 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +#
> +# * Redistributions of source code must retain the above copyright
> +# notice, this list of conditions and the following disclaimer.
> +# * Redistributions in binary form must reproduce the above copyright
> +# notice, this list of conditions and the following disclaimer in
> +# the documentation and/or other materials provided with the
> +# distribution.
> +# * Neither the name of Intel Corporation nor the names of its
> +# contributors may be used to endorse or promote products derived
> +# from this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +ifeq ($(RTE_SDK),)
> + $(error "Please define RTE_SDK environment variable")
> +endif
> +
> +# Default target, can be overridden by command line or environment
> +RTE_TARGET ?= x86_64-native-linuxapp-gcc
> +
> +include $(RTE_SDK)/mk/rte.vars.mk
> +
> +APP = ipsec-secgw
> +
> +CFLAGS += -O3 -gdwarf-2
> +CFLAGS += $(WERROR_FLAGS)
> +
> +VPATH += $(SRCDIR)/librte_ipsec
> +
> +#
> +# all source are stored in SRCS-y
> +#
> +SRCS-y += ipsec.c
> +SRCS-y += esp.c
> +SRCS-y += sp.c
> +SRCS-y += sa.c
> +SRCS-y += rt.c
> +SRCS-y += ipsec-secgw.c
> +
> +include $(RTE_SDK)/mk/rte.extapp.mk
> diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c
> new file mode 100644
> index 0000000..1be0621
> --- /dev/null
> +++ b/examples/ipsec-secgw/esp.c
> @@ -0,0 +1,256 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <stdint.h>
> +#include <stdlib.h>
> +#include <netinet/ip.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <unistd.h>
> +
> +#include <rte_memcpy.h>
> +#include <rte_crypto.h>
> +#include <rte_cryptodev.h>
> +#include <rte_random.h>
> +
> +#include "ipsec.h"
> +#include "esp.h"
> +#include "ipip.h"
> +
> +static inline void
> +random_iv_u64(uint64_t *buf, uint16_t n)
> +{
> + unsigned left = n & 0x7;
> + unsigned i;
> +
> + IPSEC_ASSERT((n & 0x3) == 0);
> +
> + for (i = 0; i < (n >> 3); i++)
> + buf[i] = rte_rand();
> +
> + if (left)
> + *((uint32_t *)&buf[i]) = (uint32_t)lrand48();
> +}
> +
> +/* IPv4 Tunnel */
> +int
> +esp4_tunnel_inbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop)
> +{
> + uint16_t digest_len, esp_len, iphdr_len;
> + int32_t payload_len;
> +
> + IPSEC_ASSERT(m != NULL);
> +
> + iphdr_len = sizeof(struct ip);
> + esp_len = sizeof(struct esp_hdr) + sa->iv_len;
> + digest_len = sa->digest_len;
> + payload_len = rte_pktmbuf_pkt_len(m) - iphdr_len - esp_len - digest_len;
> +
> + if ((payload_len & (sa->block_size - 1)) || (payload_len <= 0)) {
> + IPSEC_LOG(DEBUG, IPSEC_ESP, "payload %d not a multiple of %u\n",
> + payload_len, sa->block_size);
> + return -EINVAL;
> + }
> +
> + cop->data.to_cipher.offset = iphdr_len + esp_len;
> + cop->data.to_cipher.length = payload_len;
> +
> + cop->data.to_hash.offset = iphdr_len;
> + if (sa->auth_algo == RTE_CRYPTO_AUTH_AES_GCM)
> + cop->data.to_hash.length = esp_len - sa->iv_len;
> + else
> + cop->data.to_hash.length = esp_len + payload_len;
> +
> + cop->iv.data = rte_pktmbuf_mtod_offset(m, void*,
> + iphdr_len + esp_len - sa->iv_len);
> + cop->iv.phys_addr = rte_pktmbuf_mtophys_offset(m,
> + iphdr_len + esp_len - sa->iv_len);
> +
> + cop->iv.length = sa->iv_len;
> +
> + cop->digest.data = rte_pktmbuf_mtod_offset(m, void*,
> + iphdr_len + esp_len + payload_len);
> + cop->digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
> + iphdr_len + esp_len + payload_len);
> + cop->digest.length = digest_len;
> +
> + return 0;
> +}
> +
> +int
> +esp4_tunnel_inbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop)
> +{
> + uint16_t digest_len, esp_len, iphdr_len;
> + uint8_t *nexthdr, *pad_len;
> + uint8_t *padding;
> + uint16_t i;
> +
> + IPSEC_ASSERT(m != NULL);
> +
> + iphdr_len = sizeof(struct ip);
> + esp_len = sizeof(struct esp_hdr) + sa->iv_len;
> + digest_len = sa->digest_len;
> +
> + if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) {
> + IPSEC_LOG(ERR, IPSEC_ESP, "Failed crypto op\n");
> + return -1;
> + }
> +
> + nexthdr = rte_pktmbuf_mtod_offset(m, uint8_t*,
> + rte_pktmbuf_pkt_len(m) - digest_len - 1);
> + pad_len = nexthdr - 1;
> +
> + padding = pad_len - *pad_len;
> + for (i = 0; i < *pad_len; i++) {
> + if (padding[i] != i) {
> + IPSEC_LOG(ERR, IPSEC_ESP, "invalid pad_len field\n");
> + return -EINVAL;
> + }
> + }
> +
> + if (rte_pktmbuf_trim(m, *pad_len + 2 + digest_len)) {
> + IPSEC_LOG(ERR, IPSEC_ESP,
> + "failed to remove pad_len + digest\n");
> + return -EINVAL;
> + }
> +
> + return ip4ip_inbound(m, iphdr_len + esp_len);
> +}
> +
> +int
> +esp4_tunnel_outbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop)
> +{
> + uint16_t digest_len, esp_len, payload_len, block_sz, pad_len;
> + int32_t pad_payload_len;
> + struct ip *ip;
> + struct esp_hdr *esp;
> + int i;
> + char *padding;
> +
> + rte_prefetch0(rte_pktmbuf_mtod(m, uint8_t *) - RTE_CACHE_LINE_SIZE);
> + rte_prefetch0(rte_pktmbuf_mtod(m, uint8_t *));
> +
> + IPSEC_ASSERT(m != NULL);
> + IPSEC_ASSERT(sa != NULL);
> +
> + /* Payload length */
> + payload_len = rte_pktmbuf_pkt_len(m);
> +
> + block_sz = sa->block_size;
> +
> + /* Per RFC4303:
> + * padded payload needs to be multiple of 4 bytes.
> + * All application supported block sizes must be power of 2
> + */
> + pad_len = (payload_len + 2) & (block_sz - 1);
> + pad_len = ((block_sz - pad_len) & (block_sz - 1)) + 2;
> +
> + /* Padded payload length */
> + pad_payload_len = payload_len + pad_len;
> + /* ESP header length */
> + esp_len = sizeof(struct esp_hdr) + sa->iv_len;
> + /* Digest length */
> + digest_len = sa->digest_len;
> +
> + IPSEC_LOG(DEBUG, IPSEC_ESP,
> + "pktlen %u, esp_len %u, digest_len %u, payload_len %u,"
> + " pad_payload_len %u, block_sz %u, pad_len %u\n",
> + rte_pktmbuf_pkt_len(m), esp_len, digest_len,
> + payload_len, pad_payload_len, block_sz, pad_len);
> +
> + /* Check maximum packet size */
> + if (unlikely(esp_len + pad_payload_len + digest_len > IP_MAXPACKET)) {
> + IPSEC_LOG(DEBUG, IPSEC_ESP, "ipsec packet is too big\n");
> + return -EINVAL;
> + }
> +
> + padding = rte_pktmbuf_append(m, pad_len + digest_len);
> +
> + IPSEC_ASSERT(padding != NULL);
> +
> + ip = ip4ip_outbound(m, esp_len, sa->src, sa->dst);
> +
> + esp = (struct esp_hdr *)(ip + 1);
> + esp->spi = sa->spi;
> +
> + esp->seq = htonl(sa->seq++);
> +
> + IPSEC_LOG(DEBUG, IPSEC_ESP, "pktlen %u\n", rte_pktmbuf_pkt_len(m));
> +
> + /* Fill pad_len using default sequential scheme */
> + for (i = 0; i < pad_len - 2; i++)
> + padding[i] = i + 1;
> +
> + padding[pad_len - 2] = pad_len - 2;
> + padding[pad_len - 1] = IPPROTO_IPIP;
> + ip->ip_p = IPPROTO_ESP;
> +
> + cop->data.to_cipher.offset = sizeof(struct ip) + esp_len;
> + cop->data.to_cipher.length = pad_payload_len;
> +
> + cop->data.to_hash.offset = sizeof(struct ip);
> + cop->data.to_hash.length = esp_len + pad_payload_len;
> +
> + cop->iv.data = rte_pktmbuf_mtod_offset(m, void*,
> + sizeof(struct ip) + esp_len - sa->iv_len);
> + cop->iv.phys_addr = rte_pktmbuf_mtophys_offset(m,
> + sizeof(struct ip) + esp_len - sa->iv_len);
> + cop->iv.length = sa->iv_len;
> +
> + cop->digest.data = rte_pktmbuf_mtod_offset(m, void*,
> + sizeof(struct ip) + esp_len + pad_payload_len);
> + cop->digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
> + sizeof(struct ip) + esp_len + pad_payload_len);
> + cop->digest.length = digest_len;
> +
> + random_iv_u64((uint64_t *)cop->iv.data, cop->iv.length);
> +
> + return 0;
> +}
> +
> +int
> +esp4_tunnel_outbound_post_crypto(struct rte_mbuf *m __rte_unused,
> + struct ipsec_sa *sa __rte_unused,
> + struct rte_crypto_op *cop)
> +{
> + if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) {
> + IPSEC_LOG(ERR, IPSEC_ESP, "Failed crypto op\n");
> + return -1;
> + }
> +
> + return 0;
> +}
> diff --git a/examples/ipsec-secgw/esp.h b/examples/ipsec-secgw/esp.h
> new file mode 100644
> index 0000000..d7c8ba6
> --- /dev/null
> +++ b/examples/ipsec-secgw/esp.h
> @@ -0,0 +1,66 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +#ifndef __RTE_IPSEC_XFORM_ESP_H__
> +#define __RTE_IPSEC_XFORM_ESP_H__
> +
> +struct mbuf;
> +
> +/* RFC4303 */
> +struct esp_hdr {
> + uint32_t spi;
> + uint32_t seq;
> + /* Payload */
> + /* Padding */
> + /* Pad Length */
> + /* Next Header */
> + /* Integrity Check Value - ICV */
> +};
> +
> +/* IPv4 Tunnel */
> +int
> +esp4_tunnel_inbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop);
> +
> +int
> +esp4_tunnel_inbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop);
> +
> +int
> +esp4_tunnel_outbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop);
> +
> +int
> +esp4_tunnel_outbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop);
> +
> +#endif /* __RTE_IPSEC_XFORM_ESP_H__ */
> diff --git a/examples/ipsec-secgw/ipip.h b/examples/ipsec-secgw/ipip.h
> new file mode 100644
> index 0000000..16c5dfb
> --- /dev/null
> +++ b/examples/ipsec-secgw/ipip.h
> @@ -0,0 +1,100 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifndef __IPIP_H__
> +#define __IPIP_H__
> +
> +#include <stdint.h>
> +#include <netinet/in.h>
> +#include <netinet/ip.h>
> +
> +#include <rte_mbuf.h>
> +
> +static inline struct ip *
> +ip4ip_outbound(struct rte_mbuf *m, uint32_t offset, uint32_t src, uint32_t dst)
> +{
> + struct ip *inip, *outip;
> +
> + inip = rte_pktmbuf_mtod(m, struct ip*);
> +
> + IPSEC_ASSERT(inip->ip_v == IPVERSION || inip->ip_v == IPV6_VERSION);
> +
> + offset += sizeof(struct ip);
> +
> + outip = (struct ip *)rte_pktmbuf_prepend(m, offset);
> +
> + IPSEC_ASSERT(outip != NULL);
> +
> + /* Per RFC4301 5.1.2.1 */
> + outip->ip_len = htons(rte_pktmbuf_data_len(m));
> + outip->ip_v = IPVERSION;
> + outip->ip_hl = 5;
> + outip->ip_tos = inip->ip_tos;
> +
> + outip->ip_id = 0;
> + outip->ip_off = 0;
> +
> + outip->ip_ttl = IPDEFTTL;
> +
> + outip->ip_dst.s_addr = dst;
> + outip->ip_src.s_addr = src;
> +
> + return outip;
> +}
> +
> +static inline int
> +ip4ip_inbound(struct rte_mbuf *m, uint32_t offset)
> +{
> + struct ip *inip;
> + struct ip *outip;
> +
> + outip = rte_pktmbuf_mtod(m, struct ip*);
> +
> + IPSEC_ASSERT(outip->ip_v == IPVERSION);
> +
> + offset += sizeof(struct ip);
> + inip = (struct ip *)rte_pktmbuf_adj(m, offset);
> + IPSEC_ASSERT(inip->ip_v == IPVERSION || inip->ip_v == IPV6_VERSION);
> +
> + /* Check packet is still bigger than IP header (inner) */
> + IPSEC_ASSERT(rte_pktmbuf_pkt_len(m) > sizeof(struct ip));
> +
> + /* RFC4301 5.1.2.1 Note 6 */
> + if ((inip->ip_tos & htons(IPTOS_ECN_ECT0 | IPTOS_ECN_ECT1)) &&
> + ((outip->ip_tos & htons(IPTOS_ECN_CE)) == IPTOS_ECN_CE))
> + inip->ip_tos |= htons(IPTOS_ECN_CE);
> +
> + return 0;
> +}
> +
> +#endif /* __IPIP_H__ */
> diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c
> new file mode 100644
> index 0000000..d2e8972
> --- /dev/null
> +++ b/examples/ipsec-secgw/ipsec-secgw.c
> @@ -0,0 +1,1218 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <stdint.h>
> +#include <inttypes.h>
> +#include <sys/types.h>
> +#include <string.h>
> +#include <sys/queue.h>
> +#include <stdarg.h>
> +#include <errno.h>
> +#include <getopt.h>
> +
> +#include <rte_common.h>
> +#include <rte_byteorder.h>
> +#include <rte_log.h>
> +#include <rte_eal.h>
> +#include <rte_launch.h>
> +#include <rte_atomic.h>
> +#include <rte_cycles.h>
> +#include <rte_prefetch.h>
> +#include <rte_lcore.h>
> +#include <rte_per_lcore.h>
> +#include <rte_branch_prediction.h>
> +#include <rte_interrupts.h>
> +#include <rte_pci.h>
> +#include <rte_random.h>
> +#include <rte_debug.h>
> +#include <rte_ether.h>
> +#include <rte_ethdev.h>
> +#include <rte_mempool.h>
> +#include <rte_mbuf.h>
> +#include <rte_acl.h>
> +#include <rte_lpm.h>
> +#include <rte_cryptodev.h>
> +#include <rte_cryptodev.h>
> +
> +#include "ipsec.h"
> +
> +#define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
> +
> +#define MAX_JUMBO_PKT_LEN 9600
> +
> +#define MEMPOOL_CACHE_SIZE 256
> +
> +#define NB_MBUF (32000)
> +
> +#define CDEV_MP_NB_OBJS 2048
> +#define CDEV_MP_CACHE_SZ 64
> +#define MAX_QUEUE_PAIRS 1
> +
> +#define OPTION_CONFIG "config"
> +#define OPTION_EP0 "ep0"
> +#define OPTION_EP1 "ep1"
> +#define OPTION_CDEV_TYPE "cdev"
> +
> +#define MAX_PKT_BURST 32
> +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
> +
> +#define NB_SOCKETS 4
> +
> +/* Configure how many packets ahead to prefetch, when reading packets */
> +#define PREFETCH_OFFSET 3
> +
> +#define MAX_RX_QUEUE_PER_LCORE 16
> +
> +#define MAX_LCORE_PARAMS 1024
> +
> +#define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid))
> +
> +/*
> + * Configurable number of RX/TX ring descriptors
> + */
> +#define IPSEC_SECGW_RX_DESC_DEFAULT 128
> +#define IPSEC_SECGW_TX_DESC_DEFAULT 512
> +static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT;
> +static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT;
> +
> +#if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN
> +#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
> + (((uint64_t)((a) & 0xff) << 56) | \
> + ((uint64_t)((b) & 0xff) << 48) | \
> + ((uint64_t)((c) & 0xff) << 40) | \
> + ((uint64_t)((d) & 0xff) << 32) | \
> + ((uint64_t)((e) & 0xff) << 24) | \
> + ((uint64_t)((f) & 0xff) << 16) | \
> + ((uint64_t)((g) & 0xff) << 8) | \
> + ((uint64_t)(h) & 0xff))
> +#else
> +#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
> + (((uint64_t)((h) & 0xff) << 56) | \
> + ((uint64_t)((g) & 0xff) << 48) | \
> + ((uint64_t)((f) & 0xff) << 40) | \
> + ((uint64_t)((e) & 0xff) << 32) | \
> + ((uint64_t)((d) & 0xff) << 24) | \
> + ((uint64_t)((c) & 0xff) << 16) | \
> + ((uint64_t)((b) & 0xff) << 8) | \
> + ((uint64_t)(a) & 0xff))
> +#endif
> +#define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0))
> +
> +#define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \
> + addr.addr_bytes[0], addr.addr_bytes[1], \
> + addr.addr_bytes[2], addr.addr_bytes[3], \
> + addr.addr_bytes[4], addr.addr_bytes[5], \
> + 0, 0)
> +
> +/* port/source ethernet addr and destination ethernet addr */
> +struct ethaddr_info {
> + uint64_t src, dst;
> +};
> +
> +struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
> + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) },
> + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) },
> + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) },
> + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) }
> +};
> +
> +/* mask of enabled ports */
> +static uint32_t enabled_port_mask;
> +static uint32_t unprotected_port_mask;
> +static int promiscuous_on = 1;
> +static int numa_on = 1; /**< NUMA is enabled by default. */
> +static int ep = -1; /**< Endpoint configuration (0 or 1) */
> +static unsigned cdev_type = -1;
> +static unsigned nb_lcores;
> +
> +struct buffer {
> + uint16_t len;
> + struct rte_mbuf *m_table[MAX_PKT_BURST];
> +};
> +
> +struct lcore_rx_queue {
> + uint8_t port_id;
> + uint8_t queue_id;
> +} __rte_cache_aligned;
> +
> +struct lcore_params {
> + uint8_t port_id;
> + uint8_t queue_id;
> + uint8_t lcore_id;
> +} __rte_cache_aligned;
> +
> +static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
> +
> +static struct lcore_params *lcore_params;
> +static uint16_t nb_lcore_params;
> +
> +struct lcore_conf {
> + uint16_t nb_rx_queue;
> + struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
> + uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
> + struct buffer tx_mbufs[RTE_MAX_ETHPORTS];
> + uint16_t cdev;
> + uint16_t cdev_q;
> +} __rte_cache_aligned;
> +
> +static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
> +
> +static struct rte_eth_conf port_conf = {
> + .rxmode = {
> + .mq_mode = ETH_MQ_RX_RSS,
> + .max_rx_pkt_len = ETHER_MAX_LEN,
> + .split_hdr_size = 0,
> + .header_split = 0, /**< Header Split disabled */
> + .hw_ip_checksum = 1, /**< IP checksum offload enabled */
> + .hw_vlan_filter = 0, /**< VLAN filtering disabled */
> + .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
> + .hw_strip_crc = 0, /**< CRC stripped by hardware */
> + },
> + .rx_adv_conf = {
> + .rss_conf = {
> + .rss_key = NULL,
> + .rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
> + ETH_RSS_TCP | ETH_RSS_SCTP,
> + },
> + },
> + .txmode = {
> + .mq_mode = ETH_MQ_TX_NONE,
> + },
> +};
> +
> +static struct socket_ctx socket_ctx[NB_SOCKETS];
> +
> +struct traffic_type {
> + const uint8_t *data[MAX_PKT_BURST * 2];
> + struct rte_mbuf *pkts[MAX_PKT_BURST * 2];
> + uint32_t res[MAX_PKT_BURST * 2];
> + uint32_t num;
> +};
> +
> +struct ipsec_traffic {
> + struct traffic_type ipsec4;
> + struct traffic_type ipv4;
> +};
> +
> +static inline void
> +prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t)
> +{
> + uint8_t *nlp;
> +
> + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
> + rte_pktmbuf_adj(pkt, ETHER_HDR_LEN);
> + nlp = rte_pktmbuf_mtod_offset(pkt, uint8_t *,
> + offsetof(struct ip, ip_p));
> + if (*nlp == IPPROTO_ESP)
> + t->ipsec4.pkts[(t->ipsec4.num)++] = pkt;
> + else {
> + t->ipv4.data[t->ipv4.num] = nlp;
> + t->ipv4.pkts[(t->ipv4.num)++] = pkt;
> + }
> + } else {
> + /* Unknown/Unsupported type, drop the packet */
> + rte_pktmbuf_free(pkt);
> + }
> +}
> +
> +static inline void
> +prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t,
> + uint16_t nb_pkts)
> +{
> + int i;
> +
> + t->ipsec4.num = 0;
> + t->ipv4.num = 0;
> +
> + for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) {
> + rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET],
> + void *));
> + prepare_one_packet(pkts[i], t);
> + }
> + /* Process left packets */
> + for (; i < nb_pkts; i++)
> + prepare_one_packet(pkts[i], t);
> +}
> +
> +static inline void
> +prepare_tx_pkt(struct rte_mbuf *pkt, uint8_t port)
> +{
> + pkt->ol_flags |= PKT_TX_IP_CKSUM | PKT_TX_IPV4;
> + pkt->l3_len = sizeof(struct ip);
> + pkt->l2_len = ETHER_HDR_LEN;
> +
> + uint64_t *ethhdr = (uint64_t *)rte_pktmbuf_prepend(pkt, ETHER_HDR_LEN);
> +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
> + ethhdr[0] = ethaddr_tbl[port].dst |
> + ((ethaddr_tbl[port].src & 0xffff) << 48);
> + ethhdr[1] = ethaddr_tbl[port].src >> 16 |
> + ((uint64_t)rte_cpu_to_be_16(ETHER_TYPE_IPv4) << 32) |
> + (ethhdr[1] & (0xffffUL << 48));
> +#else
> + ethhdr[0] = ethaddr_tbl[port].dst |
> + (ethaddr_tbl[port].src >> 48 & 0xffff);
> + ethhdr[1] = ethaddr_tbl[port].src << 16 | ((ETHER_TYPE_IPv4)UL << 16) |
> + (ethhdr[1] & 0xffffUL);
> +#endif
> +}
> +
> +static inline void
> +prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint8_t port)
> +{
> + int i;
> + const int prefetch_offset = 2;
> +
> + for (i = 0; i < (nb_pkts - prefetch_offset); i++) {
> + rte_prefetch0(pkts[i + prefetch_offset]->cacheline1);
> + prepare_tx_pkt(pkts[i], port);
> + }
> + /* Process left packets */
> + for (; i < nb_pkts; i++)
> + prepare_tx_pkt(pkts[i], port);
> +}
> +
> +/* Send burst of packets on an output interface */
> +static inline int
> +send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
> +{
> + struct rte_mbuf **m_table;
> + int ret;
> + uint16_t queueid;
> +
> + queueid = qconf->tx_queue_id[port];
> + m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
> +
> + prepare_tx_burst(m_table, n, port);
> +
> + ret = rte_eth_tx_burst(port, queueid, m_table, n);
> + if (unlikely(ret < n)) {
> + do {
> + rte_pktmbuf_free(m_table[ret]);
> + } while (++ret < n);
> + }
> +
> + return 0;
> +}
> +
> +/* Enqueue a single packet, and send burst if queue is filled */
> +static inline int
> +send_single_packet(struct rte_mbuf *m, uint8_t port)
> +{
> + uint32_t lcore_id;
> + uint16_t len;
> + struct lcore_conf *qconf;
> +
> + lcore_id = rte_lcore_id();
> +
> + qconf = &lcore_conf[lcore_id];
> + len = qconf->tx_mbufs[port].len;
> + qconf->tx_mbufs[port].m_table[len] = m;
> + len++;
> +
> + /* enough pkts to be sent */
> + if (unlikely(len == MAX_PKT_BURST)) {
> + send_burst(qconf, MAX_PKT_BURST, port);
> + len = 0;
> + }
> +
> + qconf->tx_mbufs[port].len = len;
> + return 0;
> +}
> +
> +static inline void
> +process_pkts_inbound(struct socket_ctx *ctx, struct ipsec_traffic *traffic)
> +{
> + struct sa_ctx *sa_ctx = ctx->sa_ipv4_in;
> + struct sp_ctx *sp_ctx = ctx->sp_ipv4_in;
> + struct rte_mbuf *m;
> + uint16_t idx, nb_pkts_in, i, j;
> + uint32_t sa_idx, res;
> + struct ipsec_ctx ipsec_ctx;
> + struct lcore_conf *qconf;
> +
> + qconf = &lcore_conf[rte_lcore_id()];
> + ipsec_ctx.cdev = qconf->cdev;
> + ipsec_ctx.queue = qconf->cdev_q;
> + ipsec_ctx.sa_ctx = sa_ctx;
> +
> + nb_pkts_in = ipsec_inbound(&ipsec_ctx, traffic->ipsec4.pkts,
> + traffic->ipsec4.num, MAX_PKT_BURST);
> +
> + /* SP/ACL Inbound check ipsec and ipv4 */
> + for (i = 0; i < nb_pkts_in; i++) {
> + idx = traffic->ipv4.num++;
> + m = traffic->ipsec4.pkts[i];
> + traffic->ipv4.pkts[idx] = m;
> + traffic->ipv4.data[idx] = rte_pktmbuf_mtod_offset(m,
> + uint8_t *, offsetof(struct ip, ip_p));
> + }
> +
> + rte_acl_classify((struct rte_acl_ctx *)sp_ctx, traffic->ipv4.data,
> + traffic->ipv4.res, traffic->ipv4.num,
> + DEFAULT_MAX_CATEGORIES);
> +
> + j = 0;
> + for (i = 0; i < traffic->ipv4.num - nb_pkts_in; i++) {
> + m = traffic->ipv4.pkts[i];
> + res = traffic->ipv4.res[i];
> + if (res & ~BYPASS) {
> + rte_pktmbuf_free(m);
> + continue;
> + }
> + traffic->ipv4.pkts[j++] = m;
> + }
> + /* Check return SA SPI matches pkt SPI */
> + for ( ; i < traffic->ipv4.num; i++) {
> + m = traffic->ipv4.pkts[i];
> + sa_idx = traffic->ipv4.res[i] & PROTECT_MASK;
> + if (sa_idx == 0 || !inbound_sa_check(sa_ctx, m, sa_idx)) {
> + rte_pktmbuf_free(m);
> + continue;
> + }
> + traffic->ipv4.pkts[j++] = m;
> + }
> + traffic->ipv4.num = j;
> +}
> +
> +static inline void
> +process_pkts_outbound(struct socket_ctx *ctx, struct ipsec_traffic *traffic)
> +{
> + struct sa_ctx *sa_ctx = ctx->sa_ipv4_out;
> + struct sp_ctx *sp_ctx = ctx->sp_ipv4_out;
> + struct rte_mbuf *m;
> + uint16_t idx, nb_pkts_out, i, j;
> + uint32_t sa_idx, res;
> + struct ipsec_ctx ipsec_ctx;
> + struct lcore_conf *qconf;
> +
> + qconf = &lcore_conf[rte_lcore_id()];
> + ipsec_ctx.cdev = qconf->cdev;
> + ipsec_ctx.queue = qconf->cdev_q;
> + ipsec_ctx.sa_ctx = sa_ctx;
> +
> + rte_acl_classify((struct rte_acl_ctx *)sp_ctx, traffic->ipv4.data,
> + traffic->ipv4.res, traffic->ipv4.num,
> + DEFAULT_MAX_CATEGORIES);
IMO, an option for single SA based outbound processing would be useful
measuring performance bottlenecks with SA lookup.
> + j = 0;
> + for (i = 0; i < traffic->ipv4.num; i++) {
> + m = traffic->ipv4.pkts[i];
> + res = traffic->ipv4.res[i];
> + sa_idx = res & PROTECT_MASK;
> + if (res & DISCARD) {
> + rte_pktmbuf_free(m);
> + } else if (sa_idx != 0) {
> + traffic->ipsec4.res[traffic->ipsec4.num] = sa_idx;
> + traffic->ipsec4.pkts[traffic->ipsec4.num++] = m;
> + } else /* BYPASS */
> + traffic->ipv4.pkts[j++] = m;
> + }
> + traffic->ipv4.num = j;
> +
> + nb_pkts_out = ipsec_outbound(&ipsec_ctx, traffic->ipsec4.pkts,
> + traffic->ipsec4.res, traffic->ipsec4.num,
> + MAX_PKT_BURST);
> +
> + for (i = 0; i < nb_pkts_out; i++) {
> + idx = traffic->ipv4.num++;
> + m = traffic->ipsec4.pkts[i];
> + traffic->ipv4.pkts[idx] = m;
> + }
> +}
> +
> +static inline void
> +route_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
> +{
> + uint16_t hop[MAX_PKT_BURST * 2];
> + uint32_t dst_ip[MAX_PKT_BURST * 2];
> + uint16_t i, offset;
> +
> + if (nb_pkts == 0)
> + return;
> +
> + for (i = 0; i < nb_pkts; i++) {
> + offset = offsetof(struct ip, ip_dst);
> + dst_ip[i] = *rte_pktmbuf_mtod_offset(pkts[i],
> + uint32_t *, offset);
> + dst_ip[i] = rte_be_to_cpu_32(dst_ip[i]);
> + }
> +
> + rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, nb_pkts);
> +
> + for (i = 0; i < nb_pkts; i++) {
> + if ((hop[i] & RTE_LPM_LOOKUP_SUCCESS) == 0) {
> + rte_pktmbuf_free(pkts[i]);
> + continue;
> + }
> + send_single_packet(pkts[i], hop[i] & 0xff);
> + }
> +}
> +
> +static inline void
> +process_pkts(struct socket_ctx *ctx, struct rte_mbuf **pkts,
> + uint8_t nb_pkts, uint8_t portid)
> +{
> + struct ipsec_traffic traffic;
> +
> + prepare_traffic(pkts, &traffic, nb_pkts);
> +
> + if (UNPROTECTED_PORT(portid))
> + process_pkts_inbound(ctx, &traffic);
> + else
> + process_pkts_outbound(ctx, &traffic);
> +
> + route_pkts(ctx->rt_ipv4, traffic.ipv4.pkts, traffic.ipv4.num);
> +}
> +
> +static inline void
> +drain_buffers(struct lcore_conf *qconf)
> +{
> + struct buffer *buf;
> + unsigned portid;
> +
> + for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
> + buf = &qconf->tx_mbufs[portid];
> + if (buf->len == 0)
> + continue;
> + send_burst(qconf, buf->len, portid);
> + buf->len = 0;
> + }
> +}
> +
> +/* main processing loop */
> +static int
> +main_loop(__attribute__((unused)) void *dummy)
> +{
> + struct rte_mbuf *pkts[MAX_PKT_BURST];
> + unsigned lcore_id;
> + uint64_t prev_tsc, diff_tsc, cur_tsc;
> + int i, nb_rx;
> + uint8_t portid, queueid;
> + struct lcore_conf *qconf;
> + int socket_id;
> + const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
> + / US_PER_S * BURST_TX_DRAIN_US;
> + struct socket_ctx *ctx;
> + struct lcore_rx_queue *rxql;
> +
> + prev_tsc = 0;
> + lcore_id = rte_lcore_id();
> + qconf = &lcore_conf[lcore_id];
> + rxql = qconf->rx_queue_list;
> + socket_id = rte_lcore_to_socket_id(lcore_id);
> +
> + ctx = &socket_ctx[socket_id];
> +
> + if (qconf->nb_rx_queue == 0) {
> + RTE_LOG(INFO, IPSEC, "lcore %u has nothing to do\n", lcore_id);
> + return 0;
> + }
> +
> + RTE_LOG(INFO, IPSEC, "entering main loop on lcore %u\n", lcore_id);
> +
> + for (i = 0; i < qconf->nb_rx_queue; i++) {
> + portid = rxql[i].port_id;
> + queueid = rxql[i].queue_id;
> + RTE_LOG(INFO, IPSEC,
> + " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
> + lcore_id, portid, queueid);
> + }
> +
> + while (1) {
> + cur_tsc = rte_rdtsc();
> +
> + /* TX queue buffer drain */
> + diff_tsc = cur_tsc - prev_tsc;
> +
> + if (unlikely(diff_tsc > drain_tsc)) {
> + drain_buffers(qconf);
> + prev_tsc = cur_tsc;
> + }
> +
> + /* Read packet from RX queues */
> + for (i = 0; i < qconf->nb_rx_queue; ++i) {
> + portid = rxql[i].port_id;
> + queueid = rxql[i].queue_id;
> + nb_rx = rte_eth_rx_burst(portid, queueid,
> + pkts, MAX_PKT_BURST);
> +
> + if (nb_rx > 0)
> + process_pkts(ctx, pkts, nb_rx, portid);
> + }
> + }
> +}
> +
> +static int
> +check_params(void)
> +{
> + uint8_t lcore, portid, nb_ports;
> + uint16_t i;
> + int socket_id;
> +
> + if (lcore_params == NULL) {
> + printf("Error: No port/queue/core mappings\n");
> + return -1;
> + }
> +
> + nb_ports = rte_eth_dev_count();
> + if (nb_ports > RTE_MAX_ETHPORTS)
> + nb_ports = RTE_MAX_ETHPORTS;
> +
> + for (i = 0; i < nb_lcore_params; ++i) {
> + lcore = lcore_params[i].lcore_id;
> + if (!rte_lcore_is_enabled(lcore)) {
> + printf("error: lcore %hhu is not enabled in "
> + "lcore mask\n", lcore);
> + return -1;
> + }
> + socket_id = rte_lcore_to_socket_id(lcore);
> + if (socket_id != 0 && numa_on == 0) {
> + printf("warning: lcore %hhu is on socket %d "
> + "with numa off\n",
> + lcore, socket_id);
> + }
> + portid = lcore_params[i].port_id;
> + if ((enabled_port_mask & (1 << portid)) == 0) {
> + printf("port %u is not enabled in port mask\n", portid);
> + return -1;
> + }
> + if (portid >= nb_ports) {
> + printf("port %u is not present on the board\n", portid);
> + return -1;
> + }
> + }
> + return 0;
> +}
> +
> +static uint8_t
> +get_port_nb_rx_queues(const uint8_t port)
> +{
> + int queue = -1;
> + uint16_t i;
> +
> + for (i = 0; i < nb_lcore_params; ++i) {
> + if (lcore_params[i].port_id == port &&
> + lcore_params[i].queue_id > queue)
> + queue = lcore_params[i].queue_id;
> + }
> + return (uint8_t)(++queue);
> +}
> +
> +static int
> +init_lcore_rx_queues(void)
> +{
> + uint16_t i, nb_rx_queue;
> + uint8_t lcore;
> +
> + for (i = 0; i < nb_lcore_params; ++i) {
> + lcore = lcore_params[i].lcore_id;
> + nb_rx_queue = lcore_conf[lcore].nb_rx_queue;
> + if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
> + printf("error: too many queues (%u) for lcore: %u\n",
> + nb_rx_queue + 1, lcore);
> + return -1;
> + }
> + lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
> + lcore_params[i].port_id;
> + lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
> + lcore_params[i].queue_id;
> + lcore_conf[lcore].nb_rx_queue++;
> + }
> + return 0;
> +}
> +
> +/* display usage */
> +static void
> +print_usage(const char *prgname)
> +{
> + printf("%s [EAL options] -- -p PORTMASK -P -u PORTMASK"
> + " --"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]"
> + " --EP0|--EP1 --cdev AESNI|QAT\n"
> + " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
> + " -P : enable promiscuous mode\n"
> + " -u PORTMASK: hexadecimal bitmask of unprotected ports\n"
> + " --"OPTION_CONFIG": (port,queue,lcore): "
> + "rx queues configuration\n"
> + " --cdev AESNI | QAT\n"
> + " --EP0: Configure as Endpoint 0\n"
> + " --EP1: Configure as Endpoint 1\n", prgname);
> +}
> +
> +static int
> +parse_portmask(const char *portmask)
> +{
> + char *end = NULL;
> + unsigned long pm;
> +
> + /* parse hexadecimal string */
> + pm = strtoul(portmask, &end, 16);
> + if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
> + return -1;
> +
> + if (pm == 0)
> + return -1;
> +
> + return pm;
> +}
> +
> +static int
> +parse_config(const char *q_arg)
> +{
> + char s[256];
> + const char *p, *p0 = q_arg;
> + char *end;
> + enum fieldnames {
> + FLD_PORT = 0,
> + FLD_QUEUE,
> + FLD_LCORE,
> + _NUM_FLD
> + };
> + unsigned long int_fld[_NUM_FLD];
> + char *str_fld[_NUM_FLD];
> + int i;
> + unsigned size;
> +
> + nb_lcore_params = 0;
> +
> + while ((p = strchr(p0, '(')) != NULL) {
> + ++p;
> + p0 = strchr(p, ')');
> + if (p0 == NULL)
> + return -1;
> +
> + size = p0 - p;
> + if (size >= sizeof(s))
> + return -1;
> +
> + snprintf(s, sizeof(s), "%.*s", size, p);
> + if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
> + _NUM_FLD)
> + return -1;
> + for (i = 0; i < _NUM_FLD; i++) {
> + errno = 0;
> + int_fld[i] = strtoul(str_fld[i], &end, 0);
> + if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
> + return -1;
> + }
> + if (nb_lcore_params >= MAX_LCORE_PARAMS) {
> + printf("exceeded max number of lcore params: %hu\n",
> + nb_lcore_params);
> + return -1;
> + }
> + lcore_params_array[nb_lcore_params].port_id =
> + (uint8_t)int_fld[FLD_PORT];
> + lcore_params_array[nb_lcore_params].queue_id =
> + (uint8_t)int_fld[FLD_QUEUE];
> + lcore_params_array[nb_lcore_params].lcore_id =
> + (uint8_t)int_fld[FLD_LCORE];
> + ++nb_lcore_params;
> + }
> + lcore_params = lcore_params_array;
> + return 0;
> +}
> +
> +#define __STRNCMP(name, opt) (!strncmp(name, opt, sizeof(opt)))
> +static int
> +parse_args_long_options(struct option *lgopts, int option_index)
> +{
> + int ret = -1;
> + const char *optname = lgopts[option_index].name;
> +
> + if (__STRNCMP(optname, OPTION_CONFIG)) {
> + ret = parse_config(optarg);
> + if (ret)
> + printf("invalid config\n");
> + }
> +
> + if (__STRNCMP(optname, OPTION_EP0)) {
> + printf("endpoint 0\n");
> + ep = 0;
> + ret = 0;
> + }
> +
> + if (__STRNCMP(optname, OPTION_EP1)) {
> + printf("endpoint 1\n");
> + ep = 1;
> + ret = 0;
> + }
> +
> + if (__STRNCMP(optname, OPTION_CDEV_TYPE)) {
> + if (__STRNCMP(optarg, "AESNI")) {
> + cdev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
> + ret = 0;
> + } else if (__STRNCMP(optarg, "QAT")) {
> + cdev_type = RTE_CRYPTODEV_QAT_PMD;
> + ret = 0;
> + }
> + }
> +
> + return ret;
> +}
> +#undef __STRNCMP
> +
> +static int
> +parse_args(int argc, char **argv)
> +{
> + int opt, ret;
> + char **argvopt;
> + int option_index;
> + char *prgname = argv[0];
> + static struct option lgopts[] = {
> + {OPTION_CONFIG, 1, 0, 0},
> + {OPTION_EP0, 0, 0, 0},
> + {OPTION_EP1, 0, 0, 0},
> + {OPTION_CDEV_TYPE, 1, 0, 0},
> + {NULL, 0, 0, 0}
> + };
> +
> + argvopt = argv;
> +
> + while ((opt = getopt_long(argc, argvopt, "p:Pu:",
> + lgopts, &option_index)) != EOF) {
> +
> + switch (opt) {
> + case 'p':
> + enabled_port_mask = parse_portmask(optarg);
> + if (enabled_port_mask == 0) {
> + printf("invalid portmask\n");
> + print_usage(prgname);
> + return -1;
> + }
> + break;
> + case 'P':
> + printf("Promiscuous mode selected\n");
> + promiscuous_on = 1;
> + break;
> + case 'u':
> + unprotected_port_mask = parse_portmask(optarg);
> + if (unprotected_port_mask == 0) {
> + printf("invalid unprotected portmask\n");
> + print_usage(prgname);
> + return -1;
> + }
> + break;
> + case 0:
> + if (parse_args_long_options(lgopts, option_index)) {
> + print_usage(prgname);
> + return -1;
> + }
> + break;
> + default:
> + print_usage(prgname);
> + return -1;
> + }
> + }
> +
> + if (optind >= 0)
> + argv[optind-1] = prgname;
> +
> + ret = optind-1;
> + optind = 0; /* reset getopt lib */
> + return ret;
> +}
> +
> +static void
> +print_ethaddr(const char *name, const struct ether_addr *eth_addr)
> +{
> + char buf[ETHER_ADDR_FMT_SIZE];
> + ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
> + printf("%s%s", name, buf);
> +}
> +
> +/* Check the link status of all ports in up to 9s, and print them finally */
> +static void
> +check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
> +{
> +#define CHECK_INTERVAL 100 /* 100ms */
> +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
> + uint8_t portid, count, all_ports_up, print_flag = 0;
> + struct rte_eth_link link;
> +
> + printf("\nChecking link status");
> + fflush(stdout);
> + for (count = 0; count <= MAX_CHECK_TIME; count++) {
> + all_ports_up = 1;
> + for (portid = 0; portid < port_num; portid++) {
> + if ((port_mask & (1 << portid)) == 0)
> + continue;
> + memset(&link, 0, sizeof(link));
> + rte_eth_link_get_nowait(portid, &link);
> + /* print link status if flag set */
> + if (print_flag == 1) {
> + if (link.link_status)
> + printf("Port %d Link Up - speed %u "
> + "Mbps - %s\n", (uint8_t)portid,
> + (unsigned)link.link_speed,
> + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
> + ("full-duplex") : ("half-duplex\n"));
> + else
> + printf("Port %d Link Down\n",
> + (uint8_t)portid);
> + continue;
> + }
> + /* clear all_ports_up flag if any link down */
> + if (link.link_status == 0) {
> + all_ports_up = 0;
> + break;
> + }
> + }
> + /* after finally printing all link status, get out */
> + if (print_flag == 1)
> + break;
> +
> + if (all_ports_up == 0) {
> + printf(".");
> + fflush(stdout);
> + rte_delay_ms(CHECK_INTERVAL);
> + }
> +
> + /* set the print_flag if all ports up or timeout */
> + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
> + print_flag = 1;
> + printf("done\n");
> + }
> + }
> +}
> +
> +static uint16_t
> +find_next_cdev(unsigned cdev_type, uint16_t start_cdev_id)
> +{
> + uint16_t cdev_id, cnt;
> + struct rte_cryptodev_info info;
> +
> + cnt = rte_cryptodev_count();
> + for (cdev_id = start_cdev_id; cdev_id < cnt; cdev_id++) {
> + rte_cryptodev_info_get(cdev_id, &info);
> + if (info.dev_type == cdev_type)
> + return cdev_id;
> + }
> +
> + return -1;
> +}
> +
> +static uint16_t
> +find_cdev_socket(int socket_id, unsigned cdev_type)
> +{
> + uint16_t cdev_id, cnt;
> + struct rte_cryptodev_info info;
> + int cdev_socket;
> +
> + cnt = rte_cryptodev_count();
> + for (cdev_id = 0; cdev_id < cnt; cdev_id++) {
> + rte_cryptodev_info_get(cdev_id, &info);
> + cdev_socket = rte_cryptodev_socket_id(cdev_id);
> + if ((info.dev_type == cdev_type) && (cdev_socket == socket_id))
> + return cdev_id;
> + }
> +
> + return -1;
> +}
> +
> +static int
> +cryptodevs_init(void)
> +{
> + struct rte_cryptodev_config dev_conf;
> + struct rte_cryptodev_qp_conf qp_conf;
> + struct lcore_conf *qconf;
> + uint16_t cnt, lcore_id, cdev_id;
> + int ret, i, socket_id;
> +
> + if (cdev_type == RTE_CRYPTODEV_QAT_PMD) {
> + cnt = rte_cryptodev_count_devtype(RTE_CRYPTODEV_QAT_PMD);
> + printf("Found %u QAT devices\n", cnt);
> + if (cnt < nb_lcores)
> + rte_panic("Not enough QAT devices detected, "
> + "need %u (1 per core), found %d\n",
> + nb_lcores, cnt);
> + } else if (cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
> + printf("Initializing %u AESNI vdevs\n", rte_lcore_count());
Is it possible to remove PMD specific Initialization code from the
application and move driver layer so that new crypto pmd inclusion will
not have any change in this place.
> + for (i = 0; i < (int)rte_lcore_count(); i++) {
> + ret = rte_eal_vdev_init(
> + CRYPTODEV_NAME_AESNI_MB_PMD,
> + NULL);
> + if (ret < 0)
> + rte_panic("Failed to create AESNI-MB vdev\n");
> + }
> + } else
> + rte_panic("Need to set cryptodev type option --cdev\n");
> +
> + cdev_id = 0;
> + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
> + if (rte_lcore_is_enabled(lcore_id) == 0)
> + continue;
> +
> + socket_id = rte_lcore_to_socket_id(lcore_id);
> + cdev_id = find_next_cdev(cdev_type, cdev_id);
> + qconf = &lcore_conf[lcore_id];
> + qconf->cdev = cdev_id;
> + qconf->cdev_q = 0;
> + if (cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
> + dev_conf.socket_id = socket_id;
> + printf("Initializing AESNI-MB device %u socket %u\n",
> + cdev_id, socket_id);
> + } else {
> + dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id);
> + printf("Initialising QAT device %u\n", cdev_id);
> + }
> +
> + dev_conf.nb_queue_pairs = 1;
> + dev_conf.session_mp.nb_objs = CDEV_MP_NB_OBJS;
> + dev_conf.session_mp.cache_size = CDEV_MP_CACHE_SZ;
> +
> + if (rte_cryptodev_configure(cdev_id, &dev_conf))
> + rte_panic("Failed to initialize crypodev %u\n",
> + cdev_id);
> +
> + qp_conf.nb_descriptors = CDEV_MP_NB_OBJS;
> + if (rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
> + dev_conf.socket_id))
> + rte_panic("Failed to setup queue %u for cdev_id %u\n",
> + 0, cdev_id);
> + cdev_id++;
> + }
> +
> + return 0;
> +}
> +
> +static void
> +port_init(uint8_t portid)
> +{
> + struct rte_eth_dev_info dev_info;
> + struct rte_eth_txconf *txconf;
> + uint16_t nb_tx_queue, nb_rx_queue;
> + uint16_t tx_queueid, rx_queueid, queue, lcore_id;
> + int ret, socket_id;
> + struct lcore_conf *qconf;
> + struct ether_addr ethaddr;
> +
> + rte_eth_dev_info_get(portid, &dev_info);
> +
> + printf("Configuring device port %u:\n", portid);
> +
> + rte_eth_macaddr_get(portid, ðaddr);
> + ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(ethaddr);
> + print_ethaddr("Address: ", ðaddr);
> + printf("\n");
> +
> + nb_rx_queue = get_port_nb_rx_queues(portid);
> + nb_tx_queue = nb_lcores;
> +
> + if (nb_rx_queue > dev_info.max_rx_queues)
> + rte_exit(EXIT_FAILURE, "Error: queue %u not available "
> + "(max rx queue is %u)\n",
> + nb_rx_queue, dev_info.max_rx_queues);
> +
> + if (nb_tx_queue > dev_info.max_tx_queues)
> + rte_exit(EXIT_FAILURE, "Error: queue %u not available "
> + "(max tx queue is %u)\n",
> + nb_tx_queue, dev_info.max_tx_queues);
> +
> + printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n",
> + nb_rx_queue, nb_tx_queue);
> +
> + ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue,
> + &port_conf);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "Cannot configure device: "
> + "err=%d, port=%d\n", ret, portid);
> +
> + /* init one TX queue per lcore */
> + tx_queueid = 0;
> + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
> + if (rte_lcore_is_enabled(lcore_id) == 0)
> + continue;
> +
> + if (numa_on)
> + socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
> + else
> + socket_id = 0;
> +
> + /* init TX queue */
> + printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id);
> +
> + txconf = &dev_info.default_txconf;
> + txconf->txq_flags = 0;
> +
> + ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
> + socket_id, txconf);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
> + "err=%d, port=%d\n", ret, portid);
> +
> + qconf = &lcore_conf[lcore_id];
> + qconf->tx_queue_id[portid] = tx_queueid;
> + tx_queueid++;
> +
> + /* init RX queues */
> + for (queue = 0; queue < qconf->nb_rx_queue; ++queue) {
> + if (portid != qconf->rx_queue_list[queue].port_id)
> + continue;
> +
> + rx_queueid = qconf->rx_queue_list[queue].queue_id;
> +
> + printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid,
> + socket_id);
> +
> + ret = rte_eth_rx_queue_setup(portid, rx_queueid,
> + nb_rxd, socket_id, NULL,
> + socket_ctx[socket_id].mbuf_pool);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE,
> + "rte_eth_rx_queue_setup: err=%d, "
> + "port=%d\n", ret, portid);
> + }
> + }
> + printf("\n");
> +}
> +
> +static void
> +pool_init(struct socket_ctx *ctx, int socket_id, unsigned nb_mbuf)
> +{
> + char s[64];
> +
> + snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id);
> + ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf,
> + MEMPOOL_CACHE_SIZE, ipsec_metadata_size(),
> + RTE_MBUF_DEFAULT_BUF_SIZE,
> + socket_id);
> + if (ctx->mbuf_pool == NULL)
> + rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n",
> + socket_id);
> + else
> + printf("Allocated mbuf pool on socket %d\n", socket_id);
> +}
> +
> +int
> +main(int argc, char **argv)
> +{
> + int ret;
> + unsigned lcore_id, nb_ports;
> + uint8_t portid, socket_id;
> +
> + /* init EAL */
> + ret = rte_eal_init(argc, argv);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
> + argc -= ret;
> + argv += ret;
> +
> + /* parse application arguments (after the EAL ones) */
> + ret = parse_args(argc, argv);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "Invalid parameters\n");
> +
> + if (ep < 0)
> + rte_exit(EXIT_FAILURE, "need to choose either EP0 or EP1\n");
> +
> + if ((unprotected_port_mask & enabled_port_mask) !=
> + unprotected_port_mask)
> + rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n",
> + unprotected_port_mask);
> +
> + nb_ports = rte_eth_dev_count();
> + if (nb_ports > RTE_MAX_ETHPORTS)
> + nb_ports = RTE_MAX_ETHPORTS;
> +
> + if (check_params() < 0)
> + rte_exit(EXIT_FAILURE, "check_params failed\n");
> +
> + ret = init_lcore_rx_queues();
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
> +
> + nb_lcores = rte_lcore_count();
> +
> + cryptodevs_init();
> +
> + /* Replicate each contex per socket */
> + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
> + if (rte_lcore_is_enabled(lcore_id) == 0)
> + continue;
> +
> + if (numa_on)
> + socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
> + else
> + socket_id = 0;
> +
> + if (socket_ctx[socket_id].mbuf_pool)
> + continue;
> +
> + sa_init(&socket_ctx[socket_id], socket_id, ep,
> + find_cdev_socket(socket_id, cdev_type));
> +
> + sp_init(&socket_ctx[socket_id], socket_id, ep);
> +
> + rt_init(&socket_ctx[socket_id], socket_id, ep);
> +
> + pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
> + }
> +
> + for (portid = 0; portid < nb_ports; portid++) {
> + if ((enabled_port_mask & (1 << portid)) == 0)
> + continue;
> +
> + port_init(portid);
> + }
> +
> + /* start ports */
> + for (portid = 0; portid < nb_ports; portid++) {
> + if ((enabled_port_mask & (1 << portid)) == 0)
> + continue;
> +
> + /* Start device */
> + ret = rte_eth_dev_start(portid);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
> + "err=%d, port=%d\n", ret, portid);
> + /*
> + * If enabled, put device in promiscuous mode.
> + * This allows IO forwarding mode to forward packets
> + * to itself through 2 cross-connected ports of the
> + * target machine.
> + */
> + if (promiscuous_on)
> + rte_eth_promiscuous_enable(portid);
> + }
> +
> + check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
> +
> + /* launch per-lcore init on every lcore */
> + rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
> + RTE_LCORE_FOREACH_SLAVE(lcore_id) {
> + if (rte_eal_wait_lcore(lcore_id) < 0)
> + return -1;
> + }
> +
> + return 0;
> +}
> diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
> new file mode 100644
> index 0000000..83e3326
> --- /dev/null
> +++ b/examples/ipsec-secgw/ipsec.c
> @@ -0,0 +1,138 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <netinet/in.h>
> +#include <netinet/ip.h>
> +
> +#include <rte_branch_prediction.h>
> +#include <rte_log.h>
> +#include <rte_crypto.h>
> +#include <rte_cryptodev.h>
> +#include <rte_mbuf.h>
> +
> +#include "ipsec.h"
> +
> +static inline uint16_t
> +ipsec_processing(uint8_t cdev_id, uint16_t qp_id, struct rte_mbuf *pkts[],
> + struct ipsec_sa *sas[], uint16_t nb_pkts, uint16_t max_pkts)
> +{
> + int ret, i, j;
> + struct ipsec_mbuf_metadata *priv;
> + struct rte_mbuf_offload *ol;
> + struct ipsec_sa *sa;
> +
> + j = 0;
> + for (i = 0; i < nb_pkts; i++) {
> + rte_prefetch0(sas[i]);
> + rte_prefetch0(pkts[i]);
> +
> + priv = get_priv(pkts[i]);
> + ol = &priv->ol;
> + sa = sas[i];
> + priv->sa = sa;
> +
> + IPSEC_ASSERT(sa != NULL);
> +
> + __rte_pktmbuf_offload_reset(ol, RTE_PKTMBUF_OL_CRYPTO);
> +
> + rte_crypto_op_attach_session(&ol->op.crypto,
> + sa->crypto_session);
> +
> + pkts[i]->offload_ops = ol;
> +
> + ret = sa->pre_crypto(pkts[i], sa, &ol->op.crypto);
> + if (unlikely(ret))
> + rte_pktmbuf_free(pkts[i]);
> + else
> + pkts[j++] = pkts[i];
> + }
> + nb_pkts = j;
> +
> + ret = rte_cryptodev_enqueue_burst(cdev_id, qp_id, pkts, nb_pkts);
> + if (ret < nb_pkts) {
> + IPSEC_LOG(DEBUG, IPSEC, "Cryptodev %u queue %u:"
> + " enqueued %u packets (out of %u)\n",
> + cdev_id, qp_id, ret, nb_pkts);
> + for (i = ret; i < nb_pkts; i++)
> + rte_pktmbuf_free(pkts[i]);
> + }
> +
> + nb_pkts = rte_cryptodev_dequeue_burst(cdev_id, qp_id, pkts, max_pkts);
> + if ((nb_pkts != 0) && (nb_pkts < max_pkts))
> + IPSEC_LOG(DEBUG, IPSEC, "Cryptodev %u queue %u:"
> + " dequeued %u packets (out of %u)\n",
> + cdev_id, qp_id, nb_pkts, max_pkts);
> +
> + j = 0;
> + for (i = 0; i < nb_pkts; i++) {
> + rte_prefetch0(pkts[i]);
> +
> + priv = get_priv(pkts[i]);
> + ol = &priv->ol;
> + sa = priv->sa;
> + rte_prefetch0(sa);
> +
> + IPSEC_ASSERT(sa != NULL);
> +
> + ret = sa->post_crypto(pkts[i], sa, &ol->op.crypto);
> + if (unlikely(ret))
> + rte_pktmbuf_free(pkts[i]);
> + else
> + pkts[j++] = pkts[i];
> + }
> +
> + /* return packets */
> + return j;
> +}
> +
> +uint16_t
> +ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
> + uint16_t nb_pkts, uint16_t len)
> +{
> + struct ipsec_sa *sas[nb_pkts];
> +
> + inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts);
> +
> + return ipsec_processing(ctx->cdev, ctx->queue, pkts, sas, nb_pkts, len);
> +}
> +
> +uint16_t
> +ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
> + uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len)
> +{
> + struct ipsec_sa *sas[nb_pkts];
> +
> + outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts);
> +
> + return ipsec_processing(ctx->cdev, ctx->queue, pkts, sas, nb_pkts, len);
> +}
> diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h
> new file mode 100644
> index 0000000..abf9d5f
> --- /dev/null
> +++ b/examples/ipsec-secgw/ipsec.h
> @@ -0,0 +1,184 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifndef __IPSEC_H__
> +#define __IPSEC_H__
> +
> +#include <stdint.h>
> +#include <netinet/in.h>
> +#include <netinet/ip.h>
> +
> +#include <rte_mbuf_offload.h>
> +#include <rte_byteorder.h>
> +#include <rte_ip.h>
> +
> +#define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
> +#define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2
> +#define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3
> +
> +#ifdef IPSEC_DEBUG
> +#define IPSEC_ASSERT(exp) \
> +if (!(exp)) { \
> + rte_panic("line%d\tassert \"" #exp "\" failed\n", __LINE__); \
> +}
> +
> +#define IPSEC_LOG RTE_LOG
> +#else
> +#define IPSEC_ASSERT(exp) do {} while (0)
> +#define IPSEC_LOG(...) do {} while (0)
> +#endif /* IPSEC_DEBUG */
> +
> +#define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
> +
> +#define uint32_t_to_char(ip, a, b, c, d) do {\
> + *a = (unsigned char)(ip >> 24 & 0xff);\
> + *b = (unsigned char)(ip >> 16 & 0xff);\
> + *c = (unsigned char)(ip >> 8 & 0xff);\
> + *d = (unsigned char)(ip & 0xff);\
> + } while (0)
> +
> +#define DEFAULT_MAX_CATEGORIES 1
> +
> +#define IPSEC_SA_MAX_ENTRIES (64) /* must be power of 2, max 2 power 30 */
> +#define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
> +#define INVALID_SPI (0)
> +
> +#define DISCARD (0x80000000)
> +#define BYPASS (0x40000000)
> +#define PROTECT_MASK (0x3fffffff)
> +#define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */
> +
> +#define IPSEC_XFORM_MAX 2
> +
> +struct rte_crypto_xform;
> +struct ipsec_xform;
> +struct rte_cryptodev_session;
> +struct rte_mbuf;
> +
> +struct replay {
> + uint32_t seq_h;
> +};
> +
> +struct lifetime {
> + uint64_t bytes;
> + uint64_t seconds;
> +};
> +
> +struct ipsec_sa;
> +
> +typedef int (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
> + struct rte_crypto_op *cop);
> +
> +struct ipsec_sa {
> + uint32_t spi;
> + uint32_t seq;
> + uint32_t src;
> + uint32_t dst;
> + struct rte_cryptodev_session *crypto_session;
> + struct rte_crypto_xform *xforms;
> + enum rte_crypto_cipher_algorithm cipher_algo;
> + enum rte_crypto_auth_algorithm auth_algo;
> + uint16_t digest_len;
> + uint16_t iv_len;
> + uint16_t block_size;
> + ipsec_xform_fn pre_crypto;
> + ipsec_xform_fn post_crypto;
> + uint32_t flags;
> + /* does not apply if no automated SA management (IKE) support */
> + struct lifetime current;
> + struct lifetime soft;
> + struct lifetime hard;
> + struct replay replay;
> +} __rte_cache_aligned;
> +
> +struct ipsec_mbuf_metadata {
> + struct ipsec_sa *sa;
> + struct rte_mbuf_offload ol;
> +};
> +
> +struct ipsec_ctx {
> + uint16_t cdev;
> + uint16_t queue;
> + struct sa_ctx *sa_ctx;
> +};
> +
> +struct socket_ctx {
> + struct sa_ctx *sa_ipv4_in;
> + struct sa_ctx *sa_ipv4_out;
> + struct sp_ctx *sp_ipv4_in;
> + struct sp_ctx *sp_ipv4_out;
> + struct rt_ctx *rt_ipv4;
> + struct rte_mempool *mbuf_pool;
> +};
> +
> +uint16_t
> +ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
> + uint16_t nb_pkts, uint16_t len);
> +
> +uint16_t
> +ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
> + uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
> +
> +static inline uint16_t
> +ipsec_metadata_size(void)
> +{
> + return sizeof(struct ipsec_mbuf_metadata);
> +}
> +
> +static inline struct ipsec_mbuf_metadata *
> +get_priv(struct rte_mbuf *m)
> +{
> + return RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
> +}
> +
> +int
> +inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
> +
> +void
> +inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
> + struct ipsec_sa *sa[], uint16_t nb_pkts);
> +
> +void
> +outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
> + struct ipsec_sa *sa[], uint16_t nb_pkts);
> +
> +void
> +sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep);
> +
> +void
> +sa_init(struct socket_ctx *ctx, int socket_id, unsigned ep, uint16_t cdev_id);
> +
> +void
> +rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep);
> +
> +#endif /* __IPSEC_H__ */
> diff --git a/examples/ipsec-secgw/rt.c b/examples/ipsec-secgw/rt.c
> new file mode 100644
> index 0000000..82064b2
> --- /dev/null
> +++ b/examples/ipsec-secgw/rt.c
> @@ -0,0 +1,131 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +/*
> + * Routing Table (RT)
> + */
> +#include <rte_lpm.h>
> +#include <rte_errno.h>
> +
> +#include "ipsec.h"
> +
> +#define RT_IPV4_MAX_RULES 64
> +
> +struct ipv4_route {
> + uint32_t ip;
> + uint8_t depth;
> + uint8_t if_out;
> +};
> +
> +/* In the default routing table we have:
> + * ep0 protected ports 0 and 1, and unprotected ports 2 and 3.
> + */
> +static struct ipv4_route rt_ipv4_ep0[] = {
> + { IPv4(172, 16, 2, 5), 32, 0 },
> + { IPv4(172, 16, 2, 6), 32, 0 },
> + { IPv4(172, 16, 2, 7), 32, 1 },
> + { IPv4(172, 16, 2, 8), 32, 1 },
> +
> + { IPv4(192, 168, 115, 0), 24, 2 },
> + { IPv4(192, 168, 116, 0), 24, 2 },
> + { IPv4(192, 168, 117, 0), 24, 3 },
> + { IPv4(192, 168, 118, 0), 24, 3 }
> +};
> +
> +/* In the default routing table we have:
> + * ep1 protected ports 0 and 1, and unprotected ports 2 and 3.
> + */
> +static struct ipv4_route rt_ipv4_ep1[] = {
> + { IPv4(172, 16, 1, 5), 32, 2 },
> + { IPv4(172, 16, 1, 6), 32, 2 },
> + { IPv4(172, 16, 1, 7), 32, 3 },
> + { IPv4(172, 16, 1, 8), 32, 3 },
> +
> + { IPv4(192, 168, 105, 0), 24, 0 },
> + { IPv4(192, 168, 106, 0), 24, 0 },
> + { IPv4(192, 168, 107, 0), 24, 1 },
> + { IPv4(192, 168, 108, 0), 24, 1 }
> +};
> +
> +void
> +rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep)
> +{
> + char name[PATH_MAX];
> + unsigned i;
> + int ret;
> + struct rte_lpm *lpm;
> + struct ipv4_route *rt;
> + char a, b, c, d;
> + unsigned nb_routes;
> +
> + if (ctx == NULL)
> + rte_exit(EXIT_FAILURE, "NULL context.\n");
> +
> + if (ctx->rt_ipv4 != NULL)
> + rte_exit(EXIT_FAILURE, "Routing Table for socket %u already "
> + "initialized\n", socket_id);
> +
> + printf("Creating Routing Table (RT) context with %u max routes\n",
> + RT_IPV4_MAX_RULES);
> +
> + if (ep == 0) {
> + rt = rt_ipv4_ep0;
> + nb_routes = RTE_DIM(rt_ipv4_ep0);
> + } else if (ep == 1) {
> + rt = rt_ipv4_ep1;
> + nb_routes = RTE_DIM(rt_ipv4_ep1);
> + } else
> + rte_exit(EXIT_FAILURE, "Invalid EP value %u. Only 0 or 1 "
> + "supported.\n", ep);
> +
> + /* create the LPM table */
> + snprintf(name, sizeof(name), "%s_%u", "rt_ipv4", socket_id);
> + lpm = rte_lpm_create(name, socket_id, RT_IPV4_MAX_RULES, 0);
> + if (lpm == NULL)
> + rte_exit(EXIT_FAILURE, "Unable to create LPM table "
> + "on socket %d\n", socket_id);
> +
> + /* populate the LPM table */
> + for (i = 0; i < nb_routes; i++) {
> + ret = rte_lpm_add(lpm, rt[i].ip, rt[i].depth, rt[i].if_out);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "Unable to add entry num %u to "
> + "LPM table on socket %d\n", i, socket_id);
> +
> + uint32_t_to_char(rt[i].ip, &a, &b, &c, &d);
> + printf("LPM: Adding route %hhu.%hhu.%hhu.%hhu/%hhu (%hhu)\n",
> + a, b, c, d, rt[i].depth, rt[i].if_out);
> + }
> +
> + ctx->rt_ipv4 = (struct rt_ctx *)lpm;
> +}
> diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
> new file mode 100644
> index 0000000..5ea7592
> --- /dev/null
> +++ b/examples/ipsec-secgw/sa.c
> @@ -0,0 +1,391 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +/*
> + * Security Associations
> + */
> +#include <netinet/ip.h>
> +
> +#include <rte_memzone.h>
> +#include <rte_crypto.h>
> +#include <rte_cryptodev.h>
> +#include <rte_byteorder.h>
> +#include <rte_errno.h>
> +
> +#include "ipsec.h"
> +#include "esp.h"
> +
> +/* SAs EP0 Outbound */
> +const struct ipsec_sa sa_ep0_out[] = {
> + { 5, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 6, 0, IPv4(172, 16, 1, 6), IPv4(172, 16, 2, 6),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 7, 0, IPv4(172, 16, 1, 7), IPv4(172, 16, 2, 7),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 8, 0, IPv4(172, 16, 1, 8), IPv4(172, 16, 2, 8),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
IMO, a SA with NULL crypto (rfc2410) operation will be useful for ESP
packet processing debugging and measuring the performance impact with
the crypto block in fast path.
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } }
> +};
> +
> +/* SAs EP0 Inbound */
> +const struct ipsec_sa sa_ep0_in[] = {
> + { 5, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 6, 0, IPv4(172, 16, 2, 6), IPv4(172, 16, 1, 6),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 7, 0, IPv4(172, 16, 2, 7), IPv4(172, 16, 1, 7),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 8, 0, IPv4(172, 16, 2, 8), IPv4(172, 16, 1, 8),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } }
> +};
> +
> +/* SAs EP1 Outbound */
> +const struct ipsec_sa sa_ep1_out[] = {
> + { 5, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 6, 0, IPv4(172, 16, 2, 6), IPv4(172, 16, 1, 6),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 7, 0, IPv4(172, 16, 2, 7), IPv4(172, 16, 1, 7),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 8, 0, IPv4(172, 16, 2, 8), IPv4(172, 16, 1, 8),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_outbound_pre_crypto,
> + esp4_tunnel_outbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } }
> +};
> +
> +/* SAs EP1 Inbound */
> +const struct ipsec_sa sa_ep1_in[] = {
> + { 5, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 6, 0, IPv4(172, 16, 1, 6), IPv4(172, 16, 2, 6),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 7, 0, IPv4(172, 16, 1, 7), IPv4(172, 16, 2, 7),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } },
> + { 8, 0, IPv4(172, 16, 1, 8), IPv4(172, 16, 2, 8),
> + NULL, NULL,
> + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + 12, 16, 16,
> + esp4_tunnel_inbound_pre_crypto,
> + esp4_tunnel_inbound_post_crypto,
> + 0, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0 } }
> +};
> +
> +static uint8_t cipher_key[256] = "sixteenbytes key";
> +
> +/* AES CBC xform */
> +const struct rte_crypto_xform aescbc_enc_xf = {
> + NULL,
> + RTE_CRYPTO_XFORM_CIPHER,
> + .cipher = { RTE_CRYPTO_CIPHER_OP_ENCRYPT, RTE_CRYPTO_CIPHER_AES_CBC,
> + .key = { cipher_key, 0, 16 } }
> +};
> +
> +const struct rte_crypto_xform aescbc_dec_xf = {
> + NULL,
> + RTE_CRYPTO_XFORM_CIPHER,
> + .cipher = { RTE_CRYPTO_CIPHER_OP_DECRYPT, RTE_CRYPTO_CIPHER_AES_CBC,
> + .key = { cipher_key, 0, 16 } }
> +};
> +
> +static uint8_t auth_key[256] = "twentybytes hash key";
> +
> +/* SHA1 HMAC xform */
> +const struct rte_crypto_xform sha1hmac_gen_xf = {
> + NULL,
> + RTE_CRYPTO_XFORM_AUTH,
> + .auth = { RTE_CRYPTO_AUTH_OP_GENERATE, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + .key = { auth_key, 0, 20 }, 12, 0 }
> +};
> +
> +const struct rte_crypto_xform sha1hmac_verify_xf = {
> + NULL,
> + RTE_CRYPTO_XFORM_AUTH,
> + .auth = { RTE_CRYPTO_AUTH_OP_VERIFY, RTE_CRYPTO_AUTH_SHA1_HMAC,
> + .key = { auth_key, 0, 20 }, 12, 0 }
> +};
> +
> +struct sa_ctx {
> + struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES];
> + struct {
> + struct rte_crypto_xform a;
> + struct rte_crypto_xform b;
> + } xf[IPSEC_SA_MAX_ENTRIES];
> +};
> +
> +static struct sa_ctx *
> +sa_ipv4_create(const char *name, int socket_id)
> +{
> + char s[PATH_MAX];
> + struct sa_ctx *sa_ctx;
> + unsigned mz_size;
> + const struct rte_memzone *mz;
> +
> + snprintf(s, sizeof(s), "%s_%u", name, socket_id);
> +
> + /* Create SA array table */
> + printf("Creating SA context with %u maximum entries\n",
> + IPSEC_SA_MAX_ENTRIES);
> +
> + mz_size = sizeof(struct sa_ctx);
> + mz = rte_memzone_reserve(s, mz_size, socket_id,
> + RTE_MEMZONE_1GB | RTE_MEMZONE_SIZE_HINT_ONLY);
> + if (mz == NULL) {
> + printf("Failed to allocate SA DB memory\n");
> + rte_errno = -ENOMEM;
> + return NULL;
> + }
> +
> + sa_ctx = (struct sa_ctx *)mz->addr;
> +
> + return sa_ctx;
> +}
> +
> +static int
> +sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> + unsigned nb_entries, uint16_t cdev_id, unsigned inbound)
> +{
> + struct ipsec_sa *sa;
> + unsigned i, idx;
> +
> + for (i = 0; i < nb_entries; i++) {
> + idx = SPI2IDX(entries[i].spi);
> + sa = &sa_ctx->sa[idx];
> + if (sa->spi != 0) {
> + printf("Index %u already in use by SPI %u\n",
> + idx, sa->spi);
> + return -EINVAL;
> + }
> + *sa = entries[i];
> + sa->src = rte_cpu_to_be_32(sa->src);
> + sa->dst = rte_cpu_to_be_32(sa->dst);
> + if (inbound) {
> + sa_ctx->xf[idx].a = sha1hmac_verify_xf;
> + sa_ctx->xf[idx].b = aescbc_dec_xf;
> + } else { /* outbound */
> + sa_ctx->xf[idx].a = aescbc_enc_xf;
> + sa_ctx->xf[idx].b = sha1hmac_gen_xf;
> + }
> + sa_ctx->xf[idx].a.next = &sa_ctx->xf[idx].b;
> + sa_ctx->xf[idx].b.next = NULL;
> + sa->xforms = &sa_ctx->xf[idx].a;
> +
> + sa->crypto_session = rte_cryptodev_session_create(cdev_id,
> + sa->xforms);
> + }
> +
> + return 0;
> +}
> +
> +static inline int
> +sa_out_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> + unsigned nb_entries, uint16_t cdev_id)
> +{
> + return sa_add_rules(sa_ctx, entries, nb_entries, cdev_id, 0);
> +}
> +
> +static inline int
> +sa_in_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> + unsigned nb_entries, uint16_t cdev_id)
> +{
> + return sa_add_rules(sa_ctx, entries, nb_entries, cdev_id, 1);
> +}
> +
> +void
> +sa_init(struct socket_ctx *ctx, int socket_id, unsigned ep, uint16_t cdev_id)
> +{
> + const struct ipsec_sa *sa_out_entries, *sa_in_entries;
> + unsigned nb_out_entries, nb_in_entries;
> + const char *name;
> +
> + if (ctx == NULL)
> + rte_exit(EXIT_FAILURE, "NULL context.\n");
> +
> + if (ctx->sa_ipv4_in != NULL)
> + rte_exit(EXIT_FAILURE, "Inbound SA DB for socket %u already "
> + "initialized\n", socket_id);
> +
> + if (ctx->sa_ipv4_out != NULL)
> + rte_exit(EXIT_FAILURE, "Outbound SA DB for socket %u already "
> + "initialized\n", socket_id);
> +
> + if (ep == 0) {
> + sa_out_entries = sa_ep0_out;
> + nb_out_entries = RTE_DIM(sa_ep0_out);
> + sa_in_entries = sa_ep0_in;
> + nb_in_entries = RTE_DIM(sa_ep0_in);
> + } else if (ep == 1) {
> + sa_out_entries = sa_ep1_out;
> + nb_out_entries = RTE_DIM(sa_ep1_out);
> + sa_in_entries = sa_ep1_in;
> + nb_in_entries = RTE_DIM(sa_ep1_in);
> + } else
> + rte_exit(EXIT_FAILURE, "Invalid EP value %u. "
> + "Only 0 or 1 supported.\n", ep);
> +
> + name = "sa_ipv4_in";
> + ctx->sa_ipv4_in = sa_ipv4_create(name, socket_id);
> + if (ctx->sa_ipv4_in == NULL)
> + rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s "
> + "in socket %d\n", rte_errno, name, socket_id);
> +
> + name = "sa_ipv4_out";
> + ctx->sa_ipv4_out = sa_ipv4_create(name, socket_id);
> + if (ctx->sa_ipv4_out == NULL)
> + rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s "
> + "in socket %d\n", rte_errno, name, socket_id);
> +
> + sa_in_add_rules(ctx->sa_ipv4_in, sa_in_entries,
> + nb_in_entries, cdev_id);
> +
> + sa_out_add_rules(ctx->sa_ipv4_out, sa_out_entries,
> + nb_out_entries, cdev_id);
> +}
> +
> +int
> +inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx)
> +{
> + struct ipsec_mbuf_metadata *priv;
> +
> + priv = RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
> +
> + return (sa_ctx->sa[sa_idx].spi == priv->sa->spi);
> +}
> +
> +void
> +inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
> + struct ipsec_sa *sa[], uint16_t nb_pkts)
> +{
> + unsigned i;
> + uint32_t *src, spi;
> +
> + for (i = 0; i < nb_pkts; i++) {
> + spi = rte_pktmbuf_mtod_offset(pkts[i], struct esp_hdr *,
> + sizeof(struct ip))->spi;
> + if (spi == INVALID_SPI)
> + continue;
> +
> + sa[i] = &sa_ctx->sa[SPI2IDX(spi)];
> + if (spi != sa[i]->spi) {
> + sa[i] = NULL;
> + continue;
> + }
> +
> + src = rte_pktmbuf_mtod_offset(pkts[i], uint32_t *,
> + offsetof(struct ip, ip_src));
> + if ((sa[i]->src != *src) || (sa[i]->dst != *(src + 1)))
> + sa[i] = NULL;
> + }
> +}
> +
> +void
> +outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
> + struct ipsec_sa *sa[], uint16_t nb_pkts)
> +{
> + unsigned i;
> +
> + for (i = 0; i < nb_pkts; i++)
> + sa[i] = &sa_ctx->sa[sa_idx[i]];
> +}
> diff --git a/examples/ipsec-secgw/sp.c b/examples/ipsec-secgw/sp.c
> new file mode 100644
> index 0000000..219e478
> --- /dev/null
> +++ b/examples/ipsec-secgw/sp.c
> @@ -0,0 +1,324 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +/*
> + * Security Policies
> + */
> +#include <netinet/ip.h>
> +
> +#include <rte_acl.h>
> +
> +#include "ipsec.h"
> +
> +#define MAX_ACL_RULE_NUM 1000
> +
> +/*
> + * Rule and trace formats definitions.
> + */
> +enum {
> + PROTO_FIELD_IPV4,
> + SRC_FIELD_IPV4,
> + DST_FIELD_IPV4,
> + SRCP_FIELD_IPV4,
> + DSTP_FIELD_IPV4,
> + NUM_FIELDS_IPV4
> +};
> +
> +/*
> + * That effectively defines order of IPV4 classifications:
> + * - PROTO
> + * - SRC IP ADDRESS
> + * - DST IP ADDRESS
> + * - PORTS (SRC and DST)
> + */
> +enum {
> + RTE_ACL_IPV4_PROTO,
> + RTE_ACL_IPV4_SRC,
> + RTE_ACL_IPV4_DST,
> + RTE_ACL_IPV4_PORTS,
> + RTE_ACL_IPV4_NUM
> +};
> +
> +struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
> + {
> + .type = RTE_ACL_FIELD_TYPE_BITMASK,
> + .size = sizeof(uint8_t),
> + .field_index = PROTO_FIELD_IPV4,
> + .input_index = RTE_ACL_IPV4_PROTO,
> + .offset = 0,
> + },
> + {
> + .type = RTE_ACL_FIELD_TYPE_MASK,
> + .size = sizeof(uint32_t),
> + .field_index = SRC_FIELD_IPV4,
> + .input_index = RTE_ACL_IPV4_SRC,
> + .offset = offsetof(struct ip, ip_src) - offsetof(struct ip, ip_p)
> + },
> + {
> + .type = RTE_ACL_FIELD_TYPE_MASK,
> + .size = sizeof(uint32_t),
> + .field_index = DST_FIELD_IPV4,
> + .input_index = RTE_ACL_IPV4_DST,
> + .offset = offsetof(struct ip, ip_dst) - offsetof(struct ip, ip_p)
> + },
> + {
> + .type = RTE_ACL_FIELD_TYPE_RANGE,
> + .size = sizeof(uint16_t),
> + .field_index = SRCP_FIELD_IPV4,
> + .input_index = RTE_ACL_IPV4_PORTS,
> + .offset = sizeof(struct ip) - offsetof(struct ip, ip_p)
> + },
> + {
> + .type = RTE_ACL_FIELD_TYPE_RANGE,
> + .size = sizeof(uint16_t),
> + .field_index = DSTP_FIELD_IPV4,
> + .input_index = RTE_ACL_IPV4_PORTS,
> + .offset = sizeof(struct ip) - offsetof(struct ip, ip_p) +
> + sizeof(uint16_t)
> + },
> +};
> +
> +RTE_ACL_RULE_DEF(acl4_rules, RTE_DIM(ipv4_defs));
> +
> +const struct acl4_rules acl4_rules_in[] = {
> + {
> + .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 105, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 106, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 107, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 108, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + }
> +};
> +
> +const struct acl4_rules acl4_rules_out[] = {
> + {
> + .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 115, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 116, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 117, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + },
> + {
> + .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4},
> + /* destination IPv4 */
> + .field[2] = {.value.u32 = IPv4(192, 168, 118, 0),
> + .mask_range.u32 = 24,},
> + /* source port */
> + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
> + /* destination port */
> + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
> + }
> +};
> +
> +static void
> +print_one_ipv4_rule(const struct acl4_rules *rule, int extra)
> +{
> + unsigned char a, b, c, d;
> +
> + uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
> + &a, &b, &c, &d);
> + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
> + rule->field[SRC_FIELD_IPV4].mask_range.u32);
> + uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
> + &a, &b, &c, &d);
> + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
> + rule->field[DST_FIELD_IPV4].mask_range.u32);
> + printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
> + rule->field[SRCP_FIELD_IPV4].value.u16,
> + rule->field[SRCP_FIELD_IPV4].mask_range.u16,
> + rule->field[DSTP_FIELD_IPV4].value.u16,
> + rule->field[DSTP_FIELD_IPV4].mask_range.u16,
> + rule->field[PROTO_FIELD_IPV4].value.u8,
> + rule->field[PROTO_FIELD_IPV4].mask_range.u8);
> + if (extra)
> + printf("0x%x-0x%x-0x%x ",
> + rule->data.category_mask,
> + rule->data.priority,
> + rule->data.userdata);
> +}
> +
> +static inline void
> +dump_ipv4_rules(const struct acl4_rules *rule, int num, int extra)
> +{
> + int i;
> +
> + for (i = 0; i < num; i++, rule++) {
> + printf("\t%d:", i + 1);
> + print_one_ipv4_rule(rule, extra);
> + printf("\n");
> + }
> +}
> +
> +static struct rte_acl_ctx *
> +acl4_init(const char *name, int socketid, const struct acl4_rules *rules,
> + unsigned rules_nb)
> +{
> + char s[PATH_MAX];
> + struct rte_acl_param acl_param;
> + struct rte_acl_config acl_build_param;
> + struct rte_acl_ctx *ctx;
> +
> + printf("Creating SP context with %u max rules\n", MAX_ACL_RULE_NUM);
> +
> + memset(&acl_param, 0, sizeof(acl_param));
> +
> + /* Create ACL contexts */
> + snprintf(s, sizeof(s), "%s_%d", name, socketid);
> +
> + printf("IPv4 %s entries [%u]:\n", s, rules_nb);
> + dump_ipv4_rules(rules, rules_nb, 1);
> +
> + acl_param.name = s;
> + acl_param.socket_id = socketid;
> + acl_param.rule_size = RTE_ACL_RULE_SZ(RTE_DIM(ipv4_defs));
> + acl_param.max_rule_num = MAX_ACL_RULE_NUM;
> +
> + ctx = rte_acl_create(&acl_param);
> + if (ctx == NULL)
> + rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
> +
> + if (rte_acl_add_rules(ctx, (const struct rte_acl_rule *)rules,
> + rules_nb) < 0)
> + rte_exit(EXIT_FAILURE, "add rules failed\n");
> +
> + /* Perform builds */
> + memset(&acl_build_param, 0, sizeof(acl_build_param));
> +
> + acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
> + acl_build_param.num_fields = rules_nb;
> + memcpy(&acl_build_param.defs, ipv4_defs, sizeof(ipv4_defs));
> +
> + if (rte_acl_build(ctx, &acl_build_param) != 0)
> + rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
> +
> + rte_acl_dump(ctx);
> +
> + return ctx;
> +}
> +
> +void
> +sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep)
> +{
> + const char *name;
> + const struct acl4_rules *rules_out, *rules_in;
> + unsigned nb_out_rules, nb_in_rules;
> +
> + if (ctx == NULL)
> + rte_exit(EXIT_FAILURE, "NULL context.\n");
> +
> + if (ctx->sp_ipv4_in != NULL)
> + rte_exit(EXIT_FAILURE, "Inbound SP DB for socket %u already "
> + "initialized\n", socket_id);
> +
> + if (ctx->sp_ipv4_out != NULL)
> + rte_exit(EXIT_FAILURE, "Outbound SP DB for socket %u already "
> + "initialized\n", socket_id);
> +
> + if (ep == 0) {
> + rules_out = acl4_rules_in;
> + nb_out_rules = RTE_DIM(acl4_rules_in);
> + rules_in = acl4_rules_out;
> + nb_in_rules = RTE_DIM(acl4_rules_out);
> + } else if (ep == 1) {
> + rules_out = acl4_rules_out;
> + nb_out_rules = RTE_DIM(acl4_rules_out);
> + rules_in = acl4_rules_in;
> + nb_in_rules = RTE_DIM(acl4_rules_in);
> + } else
> + rte_exit(EXIT_FAILURE, "Invalid EP value %u. "
> + "Only 0 or 1 supported.\n", ep);
> +
> + name = "sp_ipv4_in";
> + ctx->sp_ipv4_in = (struct sp_ctx *)acl4_init(name, socket_id,
> + rules_in, nb_in_rules);
> +
> + name = "sp_ipv4_out";
> + ctx->sp_ipv4_out = (struct sp_ctx *)acl4_init(name, socket_id,
> + rules_out, nb_out_rules);
> +}
> --
> 2.4.3
>
More information about the dev
mailing list