X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=src%2Frfid_protocol.c;h=0cd4f666e4f26dd67a2529e05b5a9e21e1809a3f;hb=04d32adf9f8c047a5fdd150814adaa0967728937;hp=abbd04d8c79e278ebb18367b43857ee53e864101;hpb=05c7e304271bcf88901da3782fcd3f28a0c7c9cf;p=librfid diff --git a/src/rfid_protocol.c b/src/rfid_protocol.c index abbd04d..0cd4f66 100644 --- a/src/rfid_protocol.c +++ b/src/rfid_protocol.c @@ -1,5 +1,5 @@ -/* librfid - layer 3 protocol handler - * (C) 2005 by Harald Welte +/* librfid - layer 4 protocol handler + * (C) 2005-2006 by Harald Welte */ /* @@ -14,17 +14,21 @@ * * 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 #include #include -#include -#include +#include +#include -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, +}; struct rfid_protocol_handle * rfid_protocol_init(struct rfid_layer2_handle *l2h, unsigned int id) @@ -32,13 +36,12 @@ rfid_protocol_init(struct rfid_layer2_handle *l2h, unsigned int id) 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; @@ -57,12 +60,12 @@ rfid_protocol_open(struct rfid_protocol_handle *ph) } 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); } @@ -104,10 +107,46 @@ rfid_protocol_close(struct rfid_protocol_handle *ph) } 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; +}