Fixed compilation error in OSX. Fixed bug when sending IP PDUs in BSD.

include/endianness.h

@@ -33,16 +33,14 @@
 #include <stdint.h>
 #include "macros.h"
 
-#if defined(BSD)
 #if defined(__APPLE__)
     #include <sys/types.h>
     #define TINS_IS_LITTLE_ENDIAN (BYTE_ORDER == LITTLE_ENDIAN)
     #define TINS_IS_BIG_ENDIAN (BYTE_ORDER == BIG_ENDIAN)
-    #else
+#elif defined(BSD)
     #include <sys/endian.h>
     #define TINS_IS_LITTLE_ENDIAN (_BYTE_ORDER == _LITTLE_ENDIAN)
     #define TINS_IS_BIG_ENDIAN (_BYTE_ORDER == _BIG_ENDIAN)
-    #endif
 #elif defined(WIN32)
     // Assume windows == little endian. fixme later
     #define TINS_IS_LITTLE_ENDIAN 1

include/ip.h

@@ -260,12 +260,7 @@ namespace Tins {
          * \return The total length of this IP PDU.
          */
         uint16_t tot_len() const { 
-            // FreeBSD wants this in host byte order............
-            #ifdef __FreeBSD__
-            return _ip.tot_len; 
-            #else
             return Endian::be_to_host(_ip.tot_len); 
-            #endif
         }
 
         /**

src/dot11.cpp

@@ -32,9 +32,11 @@
 #include <stdexcept>
 #include <algorithm>
 #include <utility>
+#include "macros.h"
 
 #ifndef WIN32
-    #ifdef BSD
+    #if defined(BSD) || defined(__APPLE__)
+        #include <sys/types.h>
         #include <net/if_dl.h>
     #else
         #include <netpacket/packet.h>

src/ip.cpp

@@ -170,12 +170,7 @@ void IP::tos(uint8_t new_tos) {
 }
 
 void IP::tot_len(uint16_t new_tot_len) {
-    // FreeBSD wants this in host byte order............
-    #ifdef __FreeBSD__
-    _ip.tot_len = new_tot_len;
-    #else
     _ip.tot_len = Endian::host_to_be(new_tot_len);
-    #endif
 }
 
 void IP::id(uint16_t new_id) {
@@ -394,6 +389,11 @@ void IP::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU* pare
         protocol(new_flag);
         //flag(new_flag);
     }
+    
+    #ifdef __FreeBSD__
+        if(!parent)
+            total_sz = Endian::host_to_be<uint16_t>(total_sz);
+    #endif
     tot_len(total_sz);
     head_len(my_sz / sizeof(uint32_t));