Add DPDK 21.05 support for Armv7 based platforms

package/network/utils/dpdk/Makefile

@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME := dpdk
+PKG_VERSION := 21.05
+
+PKG_SOURCE := dpdk-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL := http://static.dpdk.org/rel
+PKG_MD5SUM := a78bba290b11d9717d1272cc6bfaf7c3
+
+PKG_BUILD_DEPENDS:= meson/host ninja/host
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/host-build.mk
+include ../../../feeds/packages/meson/meson.mk
+include ../../../feeds/packages/ninja/ninja.mk
+
+ifeq ($(CONFIG_LIBC),"glibc")
+	PKG_CONFIG := $(PKG_BUILD_DIR)/config/arm/arm_armv7a_linux_glibc_gcc
+else
+	PKG_CONFIG := $(PKG_BUILD_DIR)/config/arm/arm_armv7a_linux_musl_gcc
+endif
+
+TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result -Wno-format-nonliteral
+
+define Package/dpdk
+  SECTION    := net
+  CATEGORY   := Network
+  TITLE      := Data Plane Development Kit (DPDK) 
+  DEPENDS    := @(arm) +librt +libpthread +libbpf +libpcap	
+endef
+
+define Package/dpdk/description
+  DPDK consists of libraries to accelerate packet processing 
+  workloads running on a wide variety of CPU architectures. 
+endef
+
+define Build/Configure
+	$(call Build/Configure/Meson) --cross-file $(PKG_CONFIG)
+endef
+
+define Package/dpdk/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/dpdk-testpmd $(1)/usr/bin/
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/dpdk-proc-info $(1)/usr/bin/
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/dpdk-test-flow-perf $(1)/usr/bin/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,dpdk))

package/network/utils/dpdk/patches/0001-Add-DPDK-support-for-Armv7.patch

@@ -0,0 +1,91 @@
+From e8fa8aa186644e797ca1df457f5bbe146e901bad Mon Sep 17 00:00:00 2001
+From: Chandrakant Sharpa <[email protected]>
+Date: Wed, 9 Jun 2021 14:07:10 +0530
+Subject: [PATCH] Add DPDK support for Armv7
+
+Signed-off-by: Chandrakant Sharpa <[email protected]>
+---
+ config/arm/arm_armv7a_linux_glibc_gcc | 17 +++++++++++++++++
+ config/arm/arm_armv7a_linux_musl_gcc  | 17 +++++++++++++++++
+ lib/eal/linux/eal_debug.c             |  2 ++
+ 3 files changed, 36 insertions(+)
+ create mode 100644 config/arm/arm_armv7a_linux_glibc_gcc
+ create mode 100644 config/arm/arm_armv7a_linux_musl_gcc
+
+diff --git a/config/arm/arm_armv7a_linux_glibc_gcc b/config/arm/arm_armv7a_linux_glibc_gcc
+new file mode 100644
+index 000000000..5981a5b9f
+--- /dev/null
++++ b/config/arm/arm_armv7a_linux_glibc_gcc
+@@ -0,0 +1,17 @@
++[binaries]
++c = 'arm-openwrt-linux-gnueabi-gcc'
++cpp = 'arm-openwrt-linux-gnueabi-cpp'
++ar = 'arm-openwrt-linux-gnueabi-ar'
++strip = 'arm-openwrt-linux-gnueabi-strip'
++pkgconfig = 'arm-openwrt-linux-gnueabi-pkg-config'
++pcap-config = ''
++
++[host_machine]
++system = 'linux'
++cpu_family = 'arm'
++cpu = 'armv7-a'
++endian = 'little'
++
++[properties]
++# Generate binaries that are portable across all Armv7 machines
++platform = 'generic'
+diff --git a/config/arm/arm_armv7a_linux_musl_gcc b/config/arm/arm_armv7a_linux_musl_gcc
+new file mode 100644
+index 000000000..9b4a5dd1e
+--- /dev/null
++++ b/config/arm/arm_armv7a_linux_musl_gcc
+@@ -0,0 +1,17 @@
++[binaries]
++c = 'arm-openwrt-linux-muslgnueabi-gcc'
++cpp = 'arm-openwrt-linux-muslgnueabi-cpp'
++ar = 'arm-openwrt-linux-muslgnueabi-ar'
++strip = 'arm-openwrt-linux-muslgnueabi-strip'
++pkgconfig = 'arm-openwrt-linux-muslgnueabi-pkg-config'
++pcap-config = ''
++
++[host_machine]
++system = 'linux'
++cpu_family = 'arm'
++cpu = 'armv7-a'
++endian = 'little'
++
++[properties]
++# Generate binaries that are portable across all Armv7 machines
++platform = 'generic'
+diff --git a/lib/eal/linux/eal_debug.c b/lib/eal/linux/eal_debug.c
+index 64dab4e0d..3dbf42248 100644
+--- a/lib/eal/linux/eal_debug.c
++++ b/lib/eal/linux/eal_debug.c
+@@ -2,9 +2,12 @@
+  * Copyright(c) 2010-2014 Intel Corporation
+  */
+
++#ifdef __GLIBC__
+ #ifdef RTE_BACKTRACE
+ #include <execinfo.h>
+ #endif
++#endif
++
+ #include <stdarg.h>
+ #include <signal.h>
+ #include <stdlib.h>
+@@ -26,8 +26,10 @@ void rte_dump_stack(void)
+ 	char **symb = NULL;
+ 	int size;
+
++#ifdef __GLIBC__
+ 	size = backtrace(func, BACKTRACE_SIZE);
+ 	symb = backtrace_symbols(func, size);
++#endif
+
+ 	if (symb == NULL)
+ 		return;
+-- 
+2.17.1
+