3 files changed, 50 insertions, 0 deletions
diff --git a/cmake/dependencies/eth/bpf.cmake b/cmake/dependencies/eth/bpf.cmake
new file mode 100644
index 00000000..c2f69e79
--- /dev/null
+++ b/cmake/dependencies/eth/bpf.cmake
@@ -0,0 +1,20 @@
+# Berkeley Packet Filter support (BSD/macOS only)
+if(NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  find_path(BPF_C_INCLUDE_DIR
+    net/bpf.h
+    HINTS /usr/include /usr/local/include)
+
+  mark_as_advanced(BPF_C_INCLUDE_DIR)
+
+  if(BPF_C_INCLUDE_DIR)
+    set(DISABLE_BPF FALSE CACHE BOOL
+      "Disable Berkeley Packet Filter support for Ethernet IPCPs")
+    if(NOT DISABLE_BPF)
+      message(STATUS "Berkeley Packet Filter support for Ethernet IPCPs enabled")
+      set(HAVE_BPF TRUE)
+    else()
+      message(STATUS "Berkeley Packet Filter support for Ethernet IPCPs disabled by user")
+      unset(HAVE_BPF)
+    endif()
+  endif()
+endif()
diff --git a/cmake/dependencies/eth/netmap.cmake b/cmake/dependencies/eth/netmap.cmake
new file mode 100644
index 00000000..94ecd634
--- /dev/null
+++ b/cmake/dependencies/eth/netmap.cmake
@@ -0,0 +1,18 @@
+# netmap support (optional acceleration)
+find_path(NETMAP_C_INCLUDE_DIR
+  net/netmap_user.h
+  HINTS /usr/include /usr/local/include)
+
+mark_as_advanced(NETMAP_C_INCLUDE_DIR)
+
+if(NOT HAVE_RAW_SOCKETS AND NOT HAVE_BPF AND NETMAP_C_INCLUDE_DIR)
+  set(DISABLE_NETMAP FALSE CACHE BOOL
+    "Disable netmap support for ETH IPCPs")
+  if(NOT DISABLE_NETMAP)
+    message(STATUS "Netmap support for Ethernet IPCPs enabled")
+    set(HAVE_NETMAP TRUE)
+  else()
+    message(STATUS "Netmap support for Ethernet IPCPs disabled by user")
+    unset(HAVE_NETMAP)
+  endif()
+endif()
diff --git a/cmake/dependencies/eth/rawsockets.cmake b/cmake/dependencies/eth/rawsockets.cmake
new file mode 100644
index 00000000..395d9efb
--- /dev/null
+++ b/cmake/dependencies/eth/rawsockets.cmake
@@ -0,0 +1,12 @@
+# Raw sockets support (Linux only)
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  set(DISABLE_RAW_SOCKETS FALSE CACHE BOOL
+    "Disable raw socket support for Ethernet IPCPs")
+  if(NOT DISABLE_RAW_SOCKETS)
+    message(STATUS "Raw socket support for Ethernet IPCPs enabled")
+    set(HAVE_RAW_SOCKETS TRUE)
+  else()
+    message(STATUS "Raw socket support for Ethernet IPCPs disabled by user")
+    unset(HAVE_RAW_SOCKETS)
+  endif()
+endif()