Use pcap_sendpacket to send packets if this mode is enabled.

include/tins/config.h.in

@@ -10,4 +10,7 @@
 /* Have WPA2 decryption library */
 #cmakedefine HAVE_WPA2_DECRYPTION
 
+/* Use pcap_sendpacket to send l2 packets */
+#cmakedefine HAVE_PACKET_SENDER_PCAP_SENDPACKET
+
 #endif // TINS_CONFIG_H

include/tins/ethernetII.h

@@ -145,13 +145,10 @@ namespace Tins {
          */
         uint32_t trailer_size() const;
 
-        // Windows does not support sending L2 PDUs.
-        #ifndef WIN32
         /**
          * \sa PDU::send()
          */
         void send(PacketSender &sender, const NetworkInterface &iface);
-        #endif // WIN32
 
         /** 
          * \brief Check wether ptr points to a valid response for this PDU.

include/tins/packet_sender.h

@@ -36,6 +36,10 @@
 #include <vector>
 #include <stdint.h>
 #include <map>
+#include "config.h"
+#ifdef HAVE_PACKET_SENDER_PCAP_SENDPACKET
+    #include <pcap.h>
+#endif // HAVE_PACKET_SENDER_PCAP_SENDPACKET
 #include "network_interface.h"
 #include "macros.h"
 #include "cxxstd.h"
@@ -378,6 +382,9 @@ namespace Tins {
         void send(PDU &pdu, const NetworkInterface &iface) {
             static_cast<T&>(pdu).send(*this, iface);
         }
+        #ifdef HAVE_PACKET_SENDER_PCAP_SENDPACKET
+            pcap_t* make_pcap_handle(const NetworkInterface& iface) const;
+        #endif // HAVE_PACKET_SENDER_PCAP_SENDPACKET
         
         PDU *recv_match_loop(const std::vector<int>& sockets, PDU &pdu, struct sockaddr* link_addr, 
             uint32_t addrlen);
@@ -397,7 +404,11 @@ namespace Tins {
         // In BSD we need to store the buffer size, retrieved using BIOCGBLEN
         #if defined(BSD) || defined(__FreeBSD_kernel__)
         int buffer_size;
-        #endif
+        #endif // BSD
+        #ifdef HAVE_PACKET_SENDER_PCAP_SENDPACKET
+            typedef std::map<NetworkInterface, pcap_t*> PcapHandleMap; 
+            PcapHandleMap pcap_handles;
+        #endif // HAVE_PACKET_SENDER_PCAP_SENDPACKET
     };
 }