cmake: display warning and continue if dpdk not present

[vpp.git] / src / plugins / dpdk / CMakeLists.txt

diff --git a/src/plugins/dpdk/CMakeLists.txt b/src/plugins/dpdk/CMakeLists.txt
index 72b85c1..f6ccb03 100644 (file)
--- a/src/plugins/dpdk/CMakeLists.txt
+++ b/src/plugins/dpdk/CMakeLists.txt
@@ -14,9 +14,13 @@
 ##############################################################################
 # Find lib and include files
 ##############################################################################
-find_path(DPDK_INCLUDE_DIR PATH_SUFFIXES dpdk NAMES rte_config.h HINTS
-         ${DPDK_INCLUDE_DIR_HINT})
-find_library(DPDK_LIB NAMES libdpdk.a HINTS ${DPDK_LIB_DIR_HINT})
+find_path(DPDK_INCLUDE_DIR PATH_SUFFIXES dpdk NAMES rte_config.h)
+find_library(DPDK_LIB NAMES libdpdk.a)
+
+if (NOT DPDK_INCLUDE_DIR)
+  message(WARNING "-- DPDK not found - dpdk_plugin disabled")
+  return()
+endif()
 
 ##############################################################################
 # Find DPDK Version
@@ -34,6 +38,15 @@ int main()
 #endif
 #ifdef RTE_LIBRTE_PMD_AESNI_GCM
   printf(\"RTE_LIBRTE_PMD_AESNI_GCM=%u\\n\", RTE_LIBRTE_PMD_AESNI_GCM);
+#endif
+#ifdef RTE_LIBRTE_MLX4_PMD
+  printf(\"RTE_LIBRTE_MLX4_PMD=%u\\n\", RTE_LIBRTE_MLX4_PMD);
+#endif
+#ifdef RTE_LIBRTE_MLX5_PMD
+  printf(\"RTE_LIBRTE_MLX5_PMD=%u\\n\", RTE_LIBRTE_MLX5_PMD);
+#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
+  printf(\"RTE_LIBRTE_MLX5_DLOPEN_DEPS=%u\\n\", RTE_LIBRTE_MLX5_DLOPEN_DEPS);
+#endif
 #endif
   return 0;
 }
@@ -89,6 +102,15 @@ if(DPDK_INCLUDE_DIR AND DPDK_LIB)
     set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,--exclude-libs,libIPSec_MB.a,-l:libIPSec_MB.a")
     message(STATUS "DPDK depends on IPSec MB library")
   endif()
+  if(DPDK_RTE_LIBRTE_MLX4_PMD OR DPDK_RTE_LIBRTE_MLX5_PMD)
+    if (DPDK_RTE_LIBRTE_MLX5_DLOPEN_DEPS)
+      set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,-lmnl")
+      message(STATUS "DPDK depends on libmnl (Mellanox PMD requirement)")
+    else()
+      set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,-lmnl,-libverbs,-lmlx5")
+      message(STATUS "DPDK depends on libmnl, libibverbs, libmlx5 (Mellanox PMD requirement)")
+    endif()
+  endif()
   set(DPDK_LINK_FLAGS "${DPDK_LINK_FLAGS} -Wl,-lnuma")
   add_vpp_plugin(dpdk
     SOURCES
@@ -129,6 +151,9 @@ if(DPDK_INCLUDE_DIR AND DPDK_LIB)
 
     LINK_FLAGS
     ${DPDK_LINK_FLAGS}
+
+    COMPONENT
+    vpp-plugin-dpdk
   )
 else()
   message(WARNING "DPDK not found - dpdk disabled")