# limitations under the License.
##############################################################################
-# Find lib and include files
+# Check if we want to use the system DPDK
##############################################################################
-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})
+option(VPP_USE_SYSTEM_DPDK "Use the system installation of DPDK." OFF)
+if(VPP_USE_SYSTEM_DPDK)
+ find_package(PkgConfig REQUIRED)
+ pkg_check_modules(DPDK REQUIRED libdpdk)
+ message(WARNING "-- linking dpdk plugin against system libdpdk, version ${DPDK_VERSION}")
+ set(DPDK_LINK_FLAGS ${DPDK_LDFLAGS})
+ include_directories (${DPDK_INCLUDE_DIRS})
+else()
+ ##############################################################################
+ # Find lib and include files
+ ##############################################################################
+ find_path(DPDK_INCLUDE_DIR PATH_SUFFIXES dpdk NAMES rte_config.h)
+ vpp_plugin_find_library(dpdk DPDK_LIB "libdpdk.a")
-##############################################################################
-# Find DPDK Version
-##############################################################################
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dpdk_version.c
-"
-#include <stdio.h>
-#include <rte_version.h>
-int main()
-{
- puts(strchr(rte_version(), ' ') + 1);
- return 0;
-}
-")
-
-try_compile(DPDK_VERSION_COMPILED
- ${CMAKE_CURRENT_BINARY_DIR}
- ${CMAKE_CURRENT_BINARY_DIR}/dpdk_version.c
- CMAKE_FLAGS
- -DINCLUDE_DIRECTORIES=${DPDK_INCLUDE_DIR}
- COPY_FILE ${CMAKE_CURRENT_BINARY_DIR}/dpdk_version.bin
-)
+ if (NOT DPDK_INCLUDE_DIR)
+ message(WARNING "-- DPDK headers not found - dpdk plugin disabled")
+ return()
+ endif()
-if(DPDK_VERSION_COMPILED)
- execute_process(
- WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
- COMMAND ./dpdk_version.bin
- OUTPUT_VARIABLE DPDK_VERSION
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
-endif()
+ if (NOT DPDK_LIB)
+ vpp_plugin_find_library(dpdk DPDK_SHLIB "libdpdk.so")
+ set(DPDK_IS_SHARED_LIB 1)
+ message(WARNING "-- linking dpdk plugin against DPDK shared libs")
+ endif()
-file(REMOVE
- ${CMAKE_CURRENT_BINARY_DIR}/dpdk_version.c
- ${CMAKE_CURRENT_BINARY_DIR}/dpdk_version.bin
-)
+ ##############################################################################
+ # Parse DPDK config and version header files
+ ##############################################################################
+ file(STRINGS ${DPDK_INCLUDE_DIR}/rte_config.h rte_config)
+ file(STRINGS ${DPDK_INCLUDE_DIR}/rte_version.h rte_version)
+ file(STRINGS ${DPDK_INCLUDE_DIR}/rte_build_config.h rte_build_config)
+
+ foreach(l ${rte_config} ${rte_build_config} ${rte_version}})
+ if (l MATCHES "^#define[\t ]*RTE_")
+ STRING(REGEX REPLACE "^#define[\t ]*([A-Z1-9_]+)[\t ]*(.+)" "\\1;\\2" v "${l}")
+ list(GET v 0 name)
+ list(GET v 1 value)
+ set(DPDK_${name} ${value})
+ endif()
+ endforeach()
+
+ set(DPDK_VERSION
+ "${DPDK_RTE_VER_YEAR}.${DPDK_RTE_VER_MONTH}.${DPDK_RTE_VER_MINOR}")
+
+ ##############################################################################
+ # verify headroom size
+ ##############################################################################
+ 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()
+
+ ##############################################################################
+ # static or dynamic linking
+ ##############################################################################
+ unset(DPDK_LINK_LIBRARIES)
+ unset(DPDK_LINK_FLAGS)
+ message(STATUS "Found DPDK ${DPDK_VERSION} in ${DPDK_INCLUDE_DIR}")
+ include_directories (${DPDK_INCLUDE_DIR})
+
+ if(DPDK_IS_SHARED_LIB)
+ get_filename_component(DPDK_LIB_DIR ${DPDK_SHLIB} DIRECTORY)
+ string_append(DPDK_LINK_FLAGS "-L${DPDK_LIB_DIR}")
+ list(APPEND DPDK_LINK_LIBRARIES ${DPDK_SHLIB})
+ else()
+ get_filename_component(DPDK_LIB_DIR ${DPDK_LIB} DIRECTORY)
+ string_append(DPDK_LINK_FLAGS "-L${DPDK_LIB_DIR}")
+ string_append(DPDK_LINK_FLAGS "-Wl,--whole-archive,${DPDK_LIB},--no-whole-archive")
+ endif()
+ ##############################################################################
+ # libnuma
+ ##############################################################################
+ vpp_plugin_find_library(dpdk NUMA_LIB "numa")
+ list(APPEND DPDK_LINK_LIBRARIES ${NUMA_LIB})
+
+ ##############################################################################
+ # Mellanox libraries
+ ##############################################################################
+ if(DPDK_RTE_NET_MLX4 OR DPDK_RTE_NET_MLX5)
+ if (DPDK_RTE_IBVERBS_LINK_DLOPEN)
+ message(STATUS "DPDK depends on libmnl (Mellanox PMD requirement)")
+ vpp_plugin_find_library(dpdk MNL_LIB "mnl")
+ list(APPEND DPDK_LINK_LIBRARIES "${MNL_LIB}")
+ else()
+ message(WARNING "EXPERIMENTAL: DPDK plugin without dlopen mode")
+ vpp_plugin_find_library(dpdk IBVERBS_LIB "libibverbs.a")
+ vpp_plugin_find_library(dpdk MLX5_LIB "libmlx5.a")
+ vpp_plugin_find_library(dpdk MLX4_LIB "libmlx4.a")
+ vpp_plugin_find_library(dpdk CCAN_LIB "libccan.a")
+ vpp_plugin_find_library(dpdk RDMA_UTIL_LIB "rdma_util")
+ string_append(DPDK_LINK_FLAGS "-Wl,--whole-archive,${IBVERBS_LIB},${MLX5_LIB},${MLX4_LIB},${CCAN_LIB},${RDMA_UTIL_LIB},--no-whole-archive")
+ endif()
+ endif()
+endif()
##############################################################################
# DPDK plugin
##############################################################################
-if(DPDK_INCLUDE_DIR AND DPDK_LIB)
- include_directories (${DPDK_INCLUDE_DIR})
- add_vpp_plugin(dpdk_plugin
- 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
- api/dpdk.api
- )
-
- vpp_library_set_multiarch_sources(dpdk_plugin
- buffer.c
- device/device.c
- device/node.c
- )
-
- get_filename_component(DPDK_LIB_DIR ${DPDK_LIB} DIRECTORY)
- set(DPDK_LINK_FLAGS "-L${DPDK_LIB_DIR} -Wl,--whole-archive,${DPDK_LIB},--no-whole-archive")
- set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,--exclude-libs,libIPSec_MB.a,-l:libIPSec_MB.a")
- set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,-lnuma")
- set_target_properties(dpdk_plugin PROPERTIES LINK_FLAGS "${DPDK_LINK_FLAGS}")
- message("-- Found DPDK ${DPDK_VERSION}: ${DPDK_INCLUDE_DIR} ${DPDK_LIB}")
-else()
- message("-- DPDK not found - dpdk_plugin disabled")
-endif()
+if (${DPDK_VERSION} VERSION_GREATER_EQUAL "20.8.0")
+ set(DPDK_CRYPTODEV_RAW_SOURCE cryptodev/cryptodev_raw_data_path.c)
+endif ()
+
+add_vpp_plugin(dpdk
+ SOURCES
+ buffer.c
+ main.c
+ thread.c
+ device/cli.c
+ device/common.c
+ device/device.c
+ device/flow.c
+ device/format.c
+ device/init.c
+ device/node.c
+ cryptodev/cryptodev_op_data_path.c
+ cryptodev/cryptodev.c
+ ${DPDK_CRYPTODEV_RAW_SOURCE}
+
+ MULTIARCH_SOURCES
+ buffer.c
+ device/device.c
+ device/node.c
+
+ INSTALL_HEADERS
+ device/dpdk.h
+
+ LINK_FLAGS
+ "${DPDK_LINK_FLAGS}"
+
+ LINK_LIBRARIES
+ ${DPDK_LINK_LIBRARIES}
+
+ COMPONENT
+ vpp-plugin-dpdk
+)