#
#  BSD LICENSE
#
#  Copyright (c) Intel Corporation.
#  All rights reserved.
#  Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. 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.
#

# This makefile snippet must define the following flags:
# ENV_CFLAGS
# ENV_CXXFLAGS
# ENV_LIBS
# ENV_LINKER_ARGS

DPDK_DIR = $(CONFIG_DPDK_DIR)

export DPDK_ABS_DIR = $(abspath $(DPDK_DIR))

ifneq ($(CONFIG_DPDK_LIB_DIR),)
DPDK_LIB_DIR = $(CONFIG_DPDK_LIB_DIR)
else
DPDK_LIB_DIR = $(DPDK_ABS_DIR)/lib
endif

ifneq ($(CONFIG_DPDK_INC_DIR),)
DPDK_INC_DIR = $(CONFIG_DPDK_INC_DIR)
else
ifneq (, $(wildcard $(DPDK_ABS_DIR)/include/rte_config.h))
DPDK_INC_DIR := $(DPDK_ABS_DIR)/include
else
DPDK_INC_DIR := $(DPDK_ABS_DIR)/include/dpdk
endif
endif

DPDK_INC := -I$(DPDK_INC_DIR)

DPDK_LIB_LIST = rte_eal rte_mempool rte_ring rte_mbuf rte_bus_pci rte_pci rte_mempool_ring

ifeq ($(OS),Linux)
DPDK_LIB_LIST += rte_power rte_ethdev rte_net
endif

# DPDK 20.05 eal dependency
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_telemetry.*))
DPDK_LIB_LIST += rte_telemetry
endif

# There are some complex dependencies when using crypto, reduce or both so
# here we add the feature specific ones and set a flag to add the common
# ones after that.
DPDK_FRAMEWORK=n
ifeq ($(CONFIG_CRYPTO),y)
DPDK_FRAMEWORK=y
DPDK_LIB_LIST += rte_reorder
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_crypto_ipsec_mb.*))
# PMD name as of DPDK 21.11
DPDK_LIB_LIST += rte_crypto_ipsec_mb
else
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_crypto_aesni_mb.*))
# PMD name for DPDK 21.08 and earlier
DPDK_LIB_LIST += rte_crypto_aesni_mb
else
# PMD name for DPDK 20.08 and earlier
DPDK_LIB_LIST += rte_pmd_aesni_mb
endif
endif
endif

ifeq ($(CONFIG_REDUCE),y)
DPDK_FRAMEWORK=y
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_compress_isal.*))
DPDK_LIB_LIST += rte_compress_isal
else
# PMD name for DPDK 20.08 and earlier
DPDK_LIB_LIST += rte_pmd_isal
endif
ifeq ($(CONFIG_REDUCE_MLX5),y)
DPDK_LIB_LIST += rte_common_mlx5 rte_compress_mlx5
# Introduced in DPDK 21.08
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_bus_auxiliary.*))
DPDK_LIB_LIST += rte_bus_auxiliary
endif
endif
endif

ifeq ($(DPDK_FRAMEWORK),y)
DPDK_LIB_LIST += rte_cryptodev rte_compressdev rte_bus_vdev
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_common_qat.*))
DPDK_LIB_LIST += rte_common_qat
else
# PMD name for DPDK 20.08 and earlier
DPDK_LIB_LIST += rte_pmd_qat
endif
endif

ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_kvargs.*))
DPDK_LIB_LIST += rte_kvargs
endif

LINK_HASH=n

ifeq ($(CONFIG_VHOST),y)
DPDK_LIB_LIST += rte_vhost
LINK_HASH=y
ifneq ($(DPDK_FRAMEWORK),y)
DPDK_LIB_LIST += rte_cryptodev
endif
endif

ifeq ($(CONFIG_RAID5),y)
LINK_HASH=y
endif

ifeq ($(LINK_HASH),y)
DPDK_LIB_LIST += rte_hash
ifneq (, $(wildcard $(DPDK_LIB_DIR)/librte_rcu.*))
DPDK_LIB_LIST += rte_rcu
endif
endif

DPDK_SHARED_LIB = $(DPDK_LIB_LIST:%=$(DPDK_LIB_DIR)/lib%.so)
DPDK_STATIC_LIB = $(DPDK_LIB_LIST:%=$(DPDK_LIB_DIR)/lib%.a)
DPDK_SHARED_LIB_LINKER_ARGS = $(call add_no_as_needed,$(DPDK_SHARED_LIB))
DPDK_STATIC_LIB_LINKER_ARGS = $(call add_whole_archive,$(DPDK_STATIC_LIB))

ENV_CFLAGS = $(DPDK_INC) -DALLOW_EXPERIMENTAL_API
ENV_CXXFLAGS = $(ENV_CFLAGS)

DPDK_PRIVATE_LINKER_ARGS =

ifeq ($(CONFIG_IPSEC_MB),y)
DPDK_PRIVATE_LINKER_ARGS += -lIPSec_MB -L$(IPSEC_MB_DIR)
endif

ifeq ($(CONFIG_REDUCE),y)
DPDK_PRIVATE_LINKER_ARGS += -lisal -L$(ISAL_DIR)/.libs
ifeq ($(CONFIG_REDUCE_MLX5),y)
DPDK_PRIVATE_LINKER_ARGS += -lmlx5
endif
endif

ifneq (,$(wildcard $(DPDK_INC_DIR)/rte_config.h))
ifneq (,$(shell grep -e "define RTE_LIBRTE_VHOST_NUMA 1" -e "define RTE_EAL_NUMA_AWARE_HUGEPAGES 1" $(DPDK_INC_DIR)/rte_config.h))
DPDK_PRIVATE_LINKER_ARGS += -lnuma
endif
endif

# DPDK built with meson puts those defines elsewhere
ifneq (,$(wildcard $(DPDK_INC_DIR)/rte_build_config.h))
ifneq (,$(shell grep -e "define RTE_LIBRTE_VHOST_NUMA 1" -e "define RTE_EAL_NUMA_AWARE_HUGEPAGES 1" $(DPDK_INC_DIR)/rte_build_config.h))
DPDK_PRIVATE_LINKER_ARGS += -lnuma
endif
endif

ifeq ($(OS),Linux)
DPDK_PRIVATE_LINKER_ARGS += -ldl
endif
ifeq ($(OS),FreeBSD)
DPDK_PRIVATE_LINKER_ARGS += -lexecinfo
endif

ifeq ($(CONFIG_SHARED),y)
ENV_DPDK_FILE = $(call spdk_lib_list_to_shared_libs,env_dpdk)
ENV_LIBS = $(ENV_DPDK_FILE) $(DPDK_SHARED_LIB)
DPDK_LINKER_ARGS = -Wl,-rpath-link $(DPDK_LIB_DIR) $(DPDK_SHARED_LIB_LINKER_ARGS)
ENV_LINKER_ARGS = $(ENV_DPDK_FILE) $(DPDK_LINKER_ARGS)
else
ENV_DPDK_FILE = $(call spdk_lib_list_to_static_libs,env_dpdk)
ENV_LIBS = $(ENV_DPDK_FILE) $(DPDK_STATIC_LIB)
DPDK_LINKER_ARGS = -Wl,-rpath-link $(DPDK_LIB_DIR) $(DPDK_STATIC_LIB_LINKER_ARGS)
ENV_LINKER_ARGS = $(ENV_DPDK_FILE) $(DPDK_LINKER_ARGS)
ENV_LINKER_ARGS += $(DPDK_PRIVATE_LINKER_ARGS)
endif