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BN3PR0701MB1718; 5:bHdkL8a0aGAdV6WolTFbGXD/If/7gLSX63xd/9M7XdbPWdCa9JpauA+//xH6eTBjIWMuKf7w5n0xjs8+ArlDDCc0GhTz3CIpF1T5zs+sVZKl4fxbhod15h19Mq5kt93Yql0Nix+B7TMAmTxMzw/H6g==; 24:YoXJm3DYyhUXeB5OInjQIlE3RTWFS5PqjlI8P7Ga7Xe5HopXLfMoaTAM1do1h3wXzYPL96943UKKXyK+kq1dv8vmtpuXxfoLzi7A0kb4ask= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jan 2016 14:39:48.3607 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0701MB1718 Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH] example/ipsec-secgw: ipsec security gateway X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Jan 2016 14:40:00 -0000 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 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 > M: Daniel Mrzyglod > F: examples/ptpclient/ > + > +M: Sergio Gonzalez Monroy > +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 > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > +#include > + > +#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 > +#include > +#include > + > +#include > + > +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 > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#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 > +#include > + > +#include > +#include > +#include > +#include > +#include > + > +#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 > +#include > +#include > + > +#include > +#include > +#include > + > +#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 > +#include > + > +#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 > + > +#include > +#include > +#include > +#include > +#include > + > +#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 > + > +#include > + > +#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 >