From ae90406453eb894400a25e0557bb2c7bf19f06a4 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 7 Aug 2013 02:05:53 +0200
Subject: Define ethhdr when it is not available

---
 CMakeLists.txt |  8 ++++++++
 config.h.in    |  3 +++
 src/compat.h   | 13 +++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf0f5f7..942f5ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,14 @@ else()
   set(LINUX FALSE)
 endif()
 
+
+set(CMAKE_EXTRA_INCLUDE_FILES "netinet/if_ether.h")
+include(CheckTypeSize)
+
+check_type_size("struct ethhdr" SIZEOF_ETHHDR)
+string(COMPARE NOTEQUAL "${SIZEOF_ETHHDR}" "" HAVE_ETHHDR)
+
+
 set(WITH_CAPABILITIES ${LINUX} CACHE BOOL "Include support for POSIX capabilities")
 
 if(WITH_CAPABILITIES)
diff --git a/config.h.in b/config.h.in
index 0ad647c..1e094da 100644
--- a/config.h.in
+++ b/config.h.in
@@ -27,6 +27,9 @@
 #ifndef _FASTD_CONFIG_H_
 #define _FASTD_CONFIG_H_
 
+#cmakedefine HAVE_ETHHDR
+
+
 #cmakedefine WITH_CAPABILITIES
 
 #cmakedefine USE_CRYPTO_AES128CTR
diff --git a/src/compat.h b/src/compat.h
index e127dba..6afcbad 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -27,6 +27,11 @@
 #ifndef _FASTD_COMPAT_H_
 #define _FASTD_COMPAT_H_
 
+#include <config.h>
+
+#include <stdint.h>
+
+
 #ifndef ETH_ALEN
 #define ETH_ALEN 6
 #endif
@@ -35,4 +40,12 @@
 #define ETH_HLEN 14
 #endif
 
+#ifndef HAVE_ETHHDR
+struct ethhdr {
+	uint8_t h_dest[ETH_ALEN];
+	uint8_t h_source[ETH_ALEN];
+	uint16_t h_proto;
+} __attribute__((packed));
+#endif
+
 #endif /* _FASTD_COMPAT_H_ */
-- 
cgit v1.2.3