-/* librfid - layer 3 protocol handler
- * (C) 2005 by Harald Welte <laforge@gnumonks.org>
+/* librfid - layer 4 protocol handler
+ * (C) 2005-2006 by Harald Welte <laforge@gnumonks.org>
*/
/*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdlib.h>
#include <librfid/rfid_layer2.h>
#include <librfid/rfid_protocol.h>
-static struct rfid_protocol *rfid_protocol_list;
+static const struct rfid_protocol *rfid_protocols[] = {
+ [RFID_PROTOCOL_MIFARE_CLASSIC] = &rfid_protocol_mfcl,
+ [RFID_PROTOCOL_MIFARE_UL] = &rfid_protocol_mful,
+ [RFID_PROTOCOL_TCL] = &rfid_protocol_tcl,
+ [RFID_PROTOCOL_TAGIT] = &rfid_protocol_tagit,
+};
struct rfid_protocol_handle *
rfid_protocol_init(struct rfid_layer2_handle *l2h, unsigned int id)
{
- struct rfid_protocol *p;
+ const struct rfid_protocol *p;
struct rfid_protocol_handle *ph = NULL;
- for (p = rfid_protocol_list; p; p = p->next) {
- if (p->id == id) {
- ph = p->fn.init(l2h);
- break;
- }
- }
+ if (id >= ARRAY_SIZE(rfid_protocols))
+ return NULL;
+
+ p = rfid_protocols[id];
+ ph = p->fn.init(l2h);
if (!ph)
return NULL;
}
int
-rfid_protocol_transcieve(struct rfid_protocol_handle *ph,
+rfid_protocol_transceive(struct rfid_protocol_handle *ph,
const unsigned char *tx_buf, unsigned int len,
unsigned char *rx_buf, unsigned int *rx_len,
unsigned int timeout, unsigned int flags)
{
- return ph->proto->fn.transcieve(ph, tx_buf, len, rx_buf, rx_len,
+ return ph->proto->fn.transceive(ph, tx_buf, len, rx_buf, rx_len,
timeout, flags);
}
}
int
-rfid_protocol_register(struct rfid_protocol *p)
+rfid_protocol_getopt(struct rfid_protocol_handle *ph, int optname,
+ void *optval, unsigned int *optlen)
{
- p->next = rfid_protocol_list;
- rfid_protocol_list = p;
+ if (optname >> 16 == 0) {
+ unsigned char *optchar = optval;
+ switch (optname) {
+ default:
+ return -EINVAL;
+ break;
+ }
+ } else {
+ if (!ph->proto->fn.getopt)
+ return -EINVAL;
+
+ return ph->proto->fn.getopt(ph, optname, optval, optlen);
+ }
return 0;
}
+
+int
+rfid_protocol_setopt(struct rfid_protocol_handle *ph, int optname,
+ const void *optval, unsigned int optlen)
+{
+ if (optname >> 16 == 0) {
+ switch (optname) {
+ default:
+ return -EINVAL;
+ break;
+ }
+ } else {
+ if (!ph->proto->fn.setopt)
+ return -EINVAL;
+
+ return ph->proto->fn.setopt(ph, optname, optval, optlen);
+ }
+ return 0;
+}
+
+char *rfid_protocol_name(struct rfid_protocol_handle *ph)
+{
+ return ph->proto->name;
+}