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# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##############################################################################
# Find lib and include files
##############################################################################
find_path(DPDK_INCLUDE_DIR PATH_SUFFIXES dpdk NAMES rte_config.h HINTS
${DPDK_INCLUDE_DIR_HINT})
find_library(DPDK_LIB NAMES libdpdk.a HINTS ${DPDK_LIB_DIR_HINT})
##############################################################################
# Find DPDK Version
##############################################################################
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dpdk_vars.c
"
#include <stdio.h>
#include <rte_version.h>
int main()
{
printf(\"VERSION=%s\\n\", strchr(rte_version(), ' ') + 1);
printf(\"RTE_PKTMBUF_HEADROOM=%u\\n\", RTE_PKTMBUF_HEADROOM);
#ifdef RTE_LIBRTE_PMD_AESNI_MB
printf(\"RTE_LIBRTE_PMD_AESNI_MB=%u\\n\", RTE_LIBRTE_PMD_AESNI_MB);
#endif
#ifdef RTE_LIBRTE_PMD_AESNI_GCM
printf(\"RTE_LIBRTE_PMD_AESNI_GCM=%u\\n\", RTE_LIBRTE_PMD_AESNI_GCM);
#endif
return 0;
}
")
try_compile(DPDK_VARS_COMPILED
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_BINARY_DIR}/dpdk_vars.c
CMAKE_FLAGS
-DINCLUDE_DIRECTORIES=${DPDK_INCLUDE_DIR}
COPY_FILE ${CMAKE_CURRENT_BINARY_DIR}/dpdk_vars.bin
)
if(DPDK_VARS_COMPILED)
execute_process(
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ./dpdk_vars.bin
OUTPUT_VARIABLE DPDK_VARS
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REPLACE "\n" ";" DPDK_VARS ${DPDK_VARS})
foreach(v ${DPDK_VARS})
string(REPLACE "=" ";" v ${v})
list(GET v 0 name)
list(GET v 1 value)
set(DPDK_${name} ${value})
endforeach()
endif()
file(REMOVE
${CMAKE_CURRENT_BINARY_DIR}/dpdk_vars.c
${CMAKE_CURRENT_BINARY_DIR}/dpdk_vars.bin
)
if(NOT ${DPDK_RTE_PKTMBUF_HEADROOM} EQUAL ${PRE_DATA_SIZE})
message(
FATAL_ERROR
"DPDK RTE_PKTMBUF_HEADROOM (${DPDK_RTE_PKTMBUF_HEADROOM}) "
"must be equal to PRE_DATA_SIZE (${PRE_DATA_SIZE})"
)
endif()
##############################################################################
# DPDK plugin
##############################################################################
if(DPDK_INCLUDE_DIR AND DPDK_LIB)
include_directories (${DPDK_INCLUDE_DIR})
message(STATUS "Found DPDK ${DPDK_VERSION} in ${DPDK_INCLUDE_DIR}")
get_filename_component(DPDK_LIB_DIR ${DPDK_LIB} DIRECTORY)
set(DPDK_LINK_FLAGS "-L${DPDK_LIB_DIR} -Wl,--whole-archive,${DPDK_LIB},--no-whole-archive")
if(DPDK_RTE_LIBRTE_PMD_AESNI_MB OR DPDK_RTE_LIBRTE_PMD_AESNI_GCM)
set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,--exclude-libs,libIPSec_MB.a,-l:libIPSec_MB.a")
message(STATUS "DPDK depends on IPSec MB library")
endif()
set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,-lnuma")
add_vpp_plugin(dpdk
SOURCES
buffer.c
main.c
thread.c
api/dpdk_api.c
api/dpdk_test.c
device/cli.c
device/common.c
device/device.c
device/flow.c
device/format.c
device/init.c
device/node.c
hqos/hqos.c
ipsec/cli.c
ipsec/crypto_node.c
ipsec/esp_decrypt.c
ipsec/esp_encrypt.c
ipsec/ipsec.c
MULTIARCH_SOURCES
buffer.c
device/device.c
device/node.c
API_FILES
api/dpdk.api
API_TEST_SOURCES
api/dpdk_test.c
LINK_FLAGS
${DPDK_LINK_FLAGS}
)
else()
message(WARNING "DPDK not found - dpdk disabled")
endif()
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