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SPDK_ROOT_DIR := $(abspath $(CURDIR)/..)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

.PHONY: all clean install

CRYPTO_ENABLED=n

DPDK_OPTS =
DPDK_CFLAGS =

ifeq ($(TARGET_MACHINE),x86_64)
ifeq ($(CONFIG_CRYPTO),y)
CRYPTO_ENABLED = y
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_AESNI_MB=y
DPDK_CFLAGS += -I$(IPSEC_MB_DIR)
DPDK_OPTS += CONFIG_RTE_LIBRTE_REORDER=y
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_QAT=y
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_QAT_SYM=y
endif
ifeq ($(CONFIG_IGB_UIO_DRIVER),y)
DPDK_OPTS += CONFIG_RTE_EAL_IGB_UIO=y
else
DPDK_OPTS += CONFIG_RTE_EAL_IGB_UIO=n
endif
endif

ifeq ($(CRYPTO_ENABLED),n)
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_AESNI_MB=n
DPDK_OPTS += CONFIG_RTE_LIBRTE_REORDER=n
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_QAT=n
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_QAT_SYM=n
endif

ifeq ($(CONFIG_REDUCE),y)
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_ISAL=y
DPDK_CFLAGS += -I$(ISAL_DIR)
else
DPDK_OPTS += CONFIG_RTE_LIBRTE_PMD_ISAL=n
endif

ifeq ($(TARGET_MACHINE),aarch64)
DPDK_CONFIG := arm64-armv8a
else
DPDK_CONFIG := $(TARGET_MACHINE)-native
endif

ifeq ($(OS),Linux)
DPDK_CONFIG := $(DPDK_CONFIG)-linuxapp
NPROC := $(shell nproc)
else
ifeq ($(OS),FreeBSD)
DPDK_CONFIG := $(DPDK_CONFIG)-bsdapp
NPROC := $(shell sysctl hw.ncpu | awk '{print $$NF}')
endif
endif

ifeq ($(CC_TYPE),clang)
DPDK_CONFIG := $(DPDK_CONFIG)-clang
else
DPDK_CONFIG := $(DPDK_CONFIG)-gcc
endif

DPDK_CFLAGS += -fPIC

ifeq ($(CONFIG_DEBUG),y)
DPDK_CFLAGS += -O0 -g
endif

ifeq ($(CONFIG_WERROR),y)
DPDK_CFLAGS += -Werror
else
DPDK_CFLAGS += -Wno-error
endif

ifdef EXTRA_DPDK_CFLAGS
$(warning EXTRA_DPDK_CFLAGS defined, possibly to work around an unsupported compiler version)
$(shell sleep 1)
endif

# Allow users to specify EXTRA_DPDK_CFLAGS if they want to build DPDK using unsupported compiler versions
DPDK_CFLAGS += $(EXTRA_DPDK_CFLAGS)

$(SPDK_ROOT_DIR)/dpdk/build:
	$(Q)$(MAKE) -C $(SPDK_ROOT_DIR)/dpdk config T=$(DPDK_CONFIG) $(DPDK_OPTS)

all: $(SPDK_ROOT_DIR)/dpdk/build
	$(Q)$(MAKE) -C $(SPDK_ROOT_DIR)/dpdk/build EXTRA_CFLAGS="$(DPDK_CFLAGS)" MAKEFLAGS="T=$(DPDK_CONFIG) -j$(NPROC)" $(DPDK_OPTS)

clean:
	$(Q)rm -rf $(SPDK_ROOT_DIR)/dpdk/build

install: all