dpdk/Makefile

   1 # Copyright (c) 2015 Cisco and/or its affiliates.
   2 # Licensed under the Apache License, Version 2.0 (the "License");
   3 # you may not use this file except in compliance with the License.
   4 # You may obtain a copy of the License at:
   5 #
   6 #     http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11 # See the License for the specific language governing permissions and
  12 # limitations under the License.
  13
  14 # Scripts require non-POSIX parts of bash
  15 SHELL := /bin/bash
  16
  17 DPDK_VERSION          ?= v18.11
  18 DPDK_BUILD_DIR        ?= $(CURDIR)/_build
  19 DPDK_INSTALL_DIR      ?= $(DPDK_BUILD_DIR)/dpdk/$(RTE_TARGET)
  20 DPDK_PKTMBUF_HEADROOM ?= 128
  21 DPDK_MARCH            ?= native
  22 DPDK_TUNE             ?= generic
  23 DPDK_DEBUG            ?= n
  24
  25 B := $(DPDK_BUILD_DIR)
  26 I := $(DPDK_INSTALL_DIR)
  27 DPDK_GIT_REPO ?= http://dpdk.org/git/dpdk
  28 DPDK_SOURCE := $(B)/dpdk
  29
  30 ifneq (,$(findstring clang,$(CC)))
  31 DPDK_CC=clang
  32 else
  33 DPDK_CC=gcc
  34 endif
  35
  36 ifeq (,$(DPDK_TARGET))
  37 DPDK_TARGET := x86_64-native-linuxapp-$(DPDK_CC)
  38 endif
  39
  40 JOBS := $(shell grep processor /proc/cpuinfo | wc -l)
  41
  42 # compiler/linker custom arguments
  43 DPDK_CPU_CFLAGS := -pie -fPIC
  44 DPDK_CPU_LDFLAGS :=
  45 DPDK_EXTRA_LDFLAGS := -g
  46
  47 ifeq ($(DPDK_DEBUG),n)
  48 DPDK_EXTRA_CFLAGS := -g -mtune=$(DPDK_TUNE)
  49 else
  50 DPDK_EXTRA_CFLAGS := -g -O0
  51 endif
  52
  53 # translate gcc march values to DPDK arch
  54 ifeq ($(DPDK_MARCH),native)
  55 DPDK_MACHINE:=native                     # autodetect host CPU
  56 else ifeq ($(DPDK_MARCH),corei7)
  57 DPDK_MACHINE:=nhm                        # Nehalem / Westmere
  58 else ifeq ($(DPDK_MARCH),corei7-avx)
  59 DPDK_MACHINE:=snb                        # Sandy Bridge
  60 else ifeq ($(DPDK_MARCH),core-avx-i)
  61 DPDK_MACHINE:=ivb                        # Ivy Bridge
  62 else ifeq ($(DPDK_MARCH),core-avx2)
  63 DPDK_MACHINE:=hsw                        # Haswell
  64 else ifeq ($(DPDK_MARCH),armv7a)
  65 DPDK_MACHINE:=armv7a                     # ARMv7
  66 else ifeq ($(DPDK_MARCH),armv8a)
  67 DPDK_MACHINE:=armv8a                     # ARMv8
  68 else
  69 $(error Unknown DPDK_MARCH)
  70 endif
  71
  72 # assemble DPDK make arguments
  73 DPDK_MAKE_ARGS := -C $(DPDK_SOURCE) -j $(JOBS) \
  74         T=$(DPDK_TARGET) \
  75         RTE_CONFIG_TEMPLATE=../custom-config \
  76         RTE_OUTPUT=$(I) \
  77         EXTRA_CFLAGS="$(DPDK_EXTRA_CFLAGS)" \
  78         EXTRA_LDFLAGS="$(DPDK_EXTRA_LDFLAGS)" \
  79         CPU_CFLAGS="$(DPDK_CPU_CFLAGS)" \
  80         CPU_LDFLAGS="$(DPDK_CPU_LDFLAGS)" \
  81         $(DPDK_MAKE_EXTRA_ARGS)
  82
  83 DPDK_SOURCE_FILES := $(shell  [ -e $(DPDK_SOURCE) ] && \
  84                                                 find $(DPDK_SOURCE) -name "*.[chS]")
  85
  86 define set
  87 @if grep -q CONFIG_$1 $@ ; \
  88         then sed -i -e 's/.*\(CONFIG_$1=\).*/\1$2/' $@ ; \
  89         else echo CONFIG_$1=$2 >> $@ ; \
  90 fi
  91 endef
  92
  93 all: build
  94
  95 $(B)/custom-config: $(B)/.patch.ok Makefile
  96         @echo --- generating custom config from \
  97                 $(DPDK_SOURCE)/config/defconfig_$(DPDK_TARGET) --- $@
  98         @cpp -undef -ffreestanding -x assembler-with-cpp \
  99                 $(DPDK_SOURCE)/config/defconfig_$(DPDK_TARGET) $@
 100         $(call set,RTE_MACHINE,$(DPDK_MACHINE))
 101         @# modify options
 102         $(call set,RTE_MAX_LCORE,256)
 103         $(call set,RTE_PKTMBUF_HEADROOM,$(DPDK_PKTMBUF_HEADROOM))
 104         $(call set,RTE_LIBEAL_USE_HPET,y)
 105         $(call set,RTE_BUILD_COMBINE_LIBS,y)
 106         $(call set,RTE_LIBRTE_I40E_16BYTE_RX_DESC,y)
 107         $(call set,RTE_LIBRTE_I40E_ITR_INTERVAL,16)
 108         $(call set,RTE_LIBRTE_PMD_PCAP,y)
 109         @# enable debug init for device drivers
 110         $(call set,RTE_LIBRTE_I40E_DEBUG_INIT,$(DPDK_DEBUG))
 111         $(call set,RTE_LIBRTE_IXGBE_DEBUG_INIT,$(DPDK_DEBUG))
 112         $(call set,RTE_LIBRTE_E1000_DEBUG_INIT,$(DPDK_DEBUG))
 113         $(call set,RTE_LIBRTE_VIRTIO_DEBUG_INIT,$(DPDK_DEBUG))
 114         $(call set,RTE_LIBRTE_VMXNET3_DEBUG_INIT,$(DPDK_DEBUG))
 115         $(call set,RTE_LIBRTE_PMD_BOND,y)
 116         $(call set,RTE_LIBRTE_IP_FRAG,y)
 117         @# not needed
 118         $(call set,RTE_LIBRTE_CFGFILE,n)
 119         $(call set,RTE_LIBRTE_POWER,n)
 120         $(call set,RTE_LIBRTE_DISTRIBUTOR,n)
 121         $(call set,RTE_LIBRTE_REORDER,n)
 122         $(call set,RTE_LIBRTE_FLOW_CLASSIFY,n)
 123         $(call set,RTE_LIBRTE_PMD_CRYPTO_SCHEDULER,n)
 124         $(call set,RTE_KNI_KMOD,n)
 125         @rm -f .config.ok
 126
 127 $(B)/.download.ok:
 128         @mkdir -p $(B)
 129         @if [ -e $(DPDK_SOURCE) ] ; \
 130                 then rm -rf $(DPDK_SOURCE) ; \
 131         fi
 132         @git clone $(DPDK_GIT_REPO) --branch $(DPDK_VERSION) $(DPDK_SOURCE)
 133         @touch $@
 134
 135 .PHONY: download
 136 download: $(B)/.download.ok
 137
 138 $(B)/.patch.ok: $(B)/.download.ok
 139 ifneq ($(wildcard $(CURDIR)/dpdk-$(DPDK_VERSION)_patches/*.patch),)
 140         @echo --- patching ---
 141         for f in $(CURDIR)/dpdk-$(DPDK_VERSION)_patches/*.patch ; do \
 142                 echo Applying patch: $$(basename $$f) ; \
 143                 patch -p1 -d $(DPDK_SOURCE) < $$f ; \
 144         done
 145 endif
 146         @touch $@
 147
 148 .PHONY: patch
 149 patch: $(B)/.patch.ok
 150
 151 $(B)/.config.ok: $(B)/.patch.ok $(B)/custom-config
 152         @make $(DPDK_MAKE_ARGS) config
 153         @touch $@
 154
 155 .PHONY: config
 156 config: $(B)/.config.ok
 157
 158 $(B)/.build.ok: $(DPDK_SOURCE_FILES) $(B)/.config.ok
 159         @make $(DPDK_MAKE_ARGS) install
 160         @cp $(I)/.config $(B)/.config
 161         @touch $@
 162
 163 .PHONY: build
 164 build: $(B)/.build.ok
 165
 166 .PHONY: clean
 167 clean:
 168         @rm -rf $(B) $(I)