[HICN-243] Adding router plugin

The original package is https://gerrit.fd.io/r/#/c/15062/ which was
compatible with VPP 18.10. This patch is the modification of the original
to be compatible with VPP 19.04. It was tested with FRR (i.e., OSPF).
Change-Id: I85d579b26be2ef68f1b4a1d54e5c599b3665574b
Signed-off-by: masoud hemmatpour <mhemmatp@cisco.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/utils/extras/CMakeLists.txt b/utils/extras/CMakeLists.txt
new file mode 100644
index 000000000..85f924cb1
--- /dev/null
+++ b/utils/extras/CMakeLists.txt
@@ -0,0 +1,101 @@
+# Copyright (c) 2017-2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+project(extra-plugin)
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
+    "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake/Modules/"
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/"
+)
+
+set (CMAKE_CXX_STANDARD 11)
+set (CMAKE_C_STANDARD 11)
+
+# Check for memfd_create syscall
+include(CheckSymbolExists)
+CHECK_SYMBOL_EXISTS ( "__NR_memfd_create" "sys/syscall.h" HAVE_MEMFD_CREATE )
+if ( HAVE_MEMFD_CREATE )
+    add_definitions ( -DHAVE_MEMFD_CREATE )
+endif()
+
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+	set(HICN_EXTRA_PLUGIN extra-plugin)
+endif()
+
+include (Packaging)
+
+# Dependencies
+
+find_package(Vpp REQUIRED)
+
+include_directories(${VPP_INCLUDE_DIR})
+
+set(HICN_EXTRA_PLUGIN_SOURCE_FILES
+  rtinject/tap_inject.c
+  rtinject/tap_inject_netlink.c
+  rtinject/tap_inject_node.c
+  rtinject/tap_inject_tap.c
+  devices/rtnetlink/mapper.c
+  devices/rtnetlink/netns.c
+  devices/rtnetlink/rtnl.c
+)
+
+set(HICN_EXTRA_PLUGIN_HEADER_FILES
+  devices/rtnetlink/mapper.h
+  devices/rtnetlink/netns.h
+  devices/rtnetlink/rtnl.h
+)
+
+if (NOT VPP_HOME)
+    set(VPP_HOME /usr)
+endif()
+
+if (NOT CMAKE_BUILD_TYPE)
+    set (CMAKE_BUILD_TYPE "Release")
+endif (NOT CMAKE_BUILD_TYPE)
+
+SET(EXTRA_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX}/lib CACHE STRING "extra_install_prefix")
+
+if (CMAKE_BUILD_TYPE STREQUAL "Release")
+   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wall  -march=native -O3 -g")
+elseif (CMAKE_BUILD_TYPE STREQUAL "Debug")
+   set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -march=native -O0 -g")
+   add_definitions(-DCLIB_DEBUG -fPIC -fstack-protector-all)
+endif()
+
+include_directories(SYSTEM)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DEXTRA_VPP_PLUGIN=1")
+add_library(hicn_extra_plugin SHARED
+    ${HICN_EXTRA_PLUGIN_SOURCE_FILES})
+
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/vpp_plugins)
+
+set(VPP_INSTALL_PLUGIN ${EXTRA_INSTALL_PREFIX}/vpp_plugins)
+
+set_target_properties(hicn_extra_plugin
+        PROPERTIES
+        LINKER_LANGUAGE C
+        INSTALL_RPATH ${VPP_INSTALL_PLUGIN}
+        PREFIX "")
+
+install(DIRECTORY
+        DESTINATION ${VPP_INSTALL_PLUGIN}
+        COMPONENT ${HICN_EXTRA_PLUGIN})
+
+install(TARGETS hicn_extra_plugin
+        DESTINATION
+        ${VPP_INSTALL_PLUGIN}
+        COMPONENT ${HICN_EXTRA_PLUGIN})