2 * Driver for ZyDAS zd1201 based wireless USB devices.
4 * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
10 * Parts of this driver have been derived from a wlan-ng version
11 * modified by ZyDAS. They also made documentation available, thanks!
12 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
15 #include <linux/module.h>
16 #include <linux/usb.h>
17 #include <linux/slab.h>
18 #include <linux/netdevice.h>
19 #include <linux/etherdevice.h>
20 #include <linux/wireless.h>
21 #include <linux/ieee80211.h>
22 #include <net/iw_handler.h>
23 #include <linux/string.h>
24 #include <linux/if_arp.h>
25 #include <linux/firmware.h>
28 static struct usb_device_id zd1201_table[] = {
29 {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */
30 {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */
31 {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */
32 {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */
33 {USB_DEVICE(0x1044, 0x8004)}, /* Gigabyte GN-WLBZ101 */
34 {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */
38 static int ap; /* Are we an AP or a normal station? */
40 #define ZD1201_VERSION "0.15"
42 MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
43 MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters");
44 MODULE_VERSION(ZD1201_VERSION);
45 MODULE_LICENSE("GPL");
46 module_param(ap, int, 0);
47 MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded");
48 MODULE_DEVICE_TABLE(usb, zd1201_table);
51 static int zd1201_fw_upload(struct usb_device *dev, int apfw)
53 const struct firmware *fw_entry;
62 fwfile = "zd1201-ap.fw";
66 err = request_firmware(&fw_entry, fwfile, &dev->dev);
68 dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile);
69 dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n");
70 dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n");
74 data = fw_entry->data;
77 buf = kmalloc(1024, GFP_ATOMIC);
82 int translen = (len > 1024) ? 1024 : len;
83 memcpy(buf, data, translen);
85 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0,
86 USB_DIR_OUT | 0x40, 0, 0, buf, translen,
95 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2,
96 USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT);
100 err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
101 USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
113 release_firmware(fw_entry);
117 MODULE_FIRMWARE("zd1201-ap.fw");
118 MODULE_FIRMWARE("zd1201.fw");
120 static void zd1201_usbfree(struct urb *urb)
122 struct zd1201 *zd = urb->context;
124 switch(urb->status) {
132 dev_warn(&zd->usb->dev, "%s: urb failed: %d\n",
133 zd->dev->name, urb->status);
136 kfree(urb->transfer_buffer);
148 total: 4 + 2 + 2 + 2 + 2 + 4 = 16
150 static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0,
151 int parm1, int parm2)
153 unsigned char *command;
157 command = kmalloc(16, GFP_ATOMIC);
161 *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ);
162 *((__le16*)&command[4]) = cpu_to_le16(cmd);
163 *((__le16*)&command[6]) = cpu_to_le16(parm0);
164 *((__le16*)&command[8]) = cpu_to_le16(parm1);
165 *((__le16*)&command[10])= cpu_to_le16(parm2);
167 urb = usb_alloc_urb(0, GFP_ATOMIC);
172 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
173 command, 16, zd1201_usbfree, zd);
174 ret = usb_submit_urb(urb, GFP_ATOMIC);
183 /* Callback after sending out a packet */
184 static void zd1201_usbtx(struct urb *urb)
186 struct zd1201 *zd = urb->context;
187 netif_wake_queue(zd->dev);
191 static void zd1201_usbrx(struct urb *urb)
193 struct zd1201 *zd = urb->context;
195 unsigned char *data = urb->transfer_buffer;
202 switch(urb->status) {
210 dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n",
211 zd->dev->name, urb->status);
216 if (urb->status != 0 || urb->actual_length == 0)
220 if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) {
221 memcpy(zd->rxdata, data, urb->actual_length);
222 zd->rxlen = urb->actual_length;
224 wake_up(&zd->rxdataq);
227 if (type == ZD1201_PACKET_INQUIRE) {
229 unsigned short infotype, framelen, copylen;
230 framelen = le16_to_cpu(*(__le16*)&data[4]);
231 infotype = le16_to_cpu(*(__le16*)&data[6]);
233 if (infotype == ZD1201_INF_LINKSTATUS) {
236 linkstatus = le16_to_cpu(*(__le16*)&data[8]);
239 netif_carrier_on(zd->dev);
242 netif_carrier_off(zd->dev);
245 netif_carrier_off(zd->dev);
248 netif_carrier_on(zd->dev);
251 netif_carrier_off(zd->dev);
255 if (infotype == ZD1201_INF_ASSOCSTATUS) {
256 short status = le16_to_cpu(*(__le16*)(data+8));
258 union iwreq_data wrqu;
261 case ZD1201_ASSOCSTATUS_STAASSOC:
262 case ZD1201_ASSOCSTATUS_REASSOC:
263 event = IWEVREGISTERED;
265 case ZD1201_ASSOCSTATUS_DISASSOC:
266 case ZD1201_ASSOCSTATUS_ASSOCFAIL:
267 case ZD1201_ASSOCSTATUS_AUTHFAIL:
271 memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN);
272 wrqu.addr.sa_family = ARPHRD_ETHER;
274 /* Send event to user space */
275 wireless_send_event(zd->dev, event, &wrqu, NULL);
279 if (infotype == ZD1201_INF_AUTHREQ) {
280 union iwreq_data wrqu;
282 memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN);
283 wrqu.addr.sa_family = ARPHRD_ETHER;
284 /* There isn't a event that trully fits this request.
285 We assume that userspace will be smart enough to
286 see a new station being expired and sends back a
287 authstation ioctl to authorize it. */
288 wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL);
291 /* Other infotypes are handled outside this handler */
293 while (i < urb->actual_length) {
294 copylen = le16_to_cpu(*(__le16*)&data[i+2]);
295 /* Sanity check, sometimes we get junk */
296 if (copylen+zd->rxlen > sizeof(zd->rxdata))
298 memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen);
299 zd->rxlen += copylen;
302 if (i >= urb->actual_length) {
304 wake_up(&zd->rxdataq);
309 if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) {
310 int datalen = urb->actual_length-1;
311 unsigned short len, fc, seq;
312 struct hlist_node *node;
314 len = ntohs(*(__be16 *)&data[datalen-2]);
317 fc = le16_to_cpu(*(__le16 *)&data[datalen-16]);
318 seq = le16_to_cpu(*(__le16 *)&data[datalen-24]);
323 if (!(skb = dev_alloc_skb(datalen+24)))
326 memcpy(skb_put(skb, 2), &data[datalen-16], 2);
327 memcpy(skb_put(skb, 2), &data[datalen-2], 2);
328 memcpy(skb_put(skb, 6), &data[datalen-14], 6);
329 memcpy(skb_put(skb, 6), &data[datalen-22], 6);
330 memcpy(skb_put(skb, 6), &data[datalen-8], 6);
331 memcpy(skb_put(skb, 2), &data[datalen-24], 2);
332 memcpy(skb_put(skb, len), data, len);
333 skb->protocol = eth_type_trans(skb, zd->dev);
334 zd->dev->stats.rx_packets++;
335 zd->dev->stats.rx_bytes += skb->len;
340 if ((seq & IEEE80211_SCTL_FRAG) ||
341 (fc & IEEE80211_FCTL_MOREFRAGS)) {
342 struct zd1201_frag *frag = NULL;
347 if ((seq & IEEE80211_SCTL_FRAG) == 0) {
348 frag = kmalloc(sizeof(*frag), GFP_ATOMIC);
351 skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2);
357 frag->seq = seq & IEEE80211_SCTL_SEQ;
359 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
360 memcpy(skb_put(skb, 2), &data[6], 2);
361 memcpy(skb_put(skb, len), data+8, len);
362 hlist_add_head(&frag->fnode, &zd->fraglist);
365 hlist_for_each_entry(frag, node, &zd->fraglist, fnode)
366 if (frag->seq == (seq&IEEE80211_SCTL_SEQ))
371 ptr = skb_put(skb, len);
373 memcpy(ptr, data+8, len);
374 if (fc & IEEE80211_FCTL_MOREFRAGS)
376 hlist_del_init(&frag->fnode);
381 skb = dev_alloc_skb(len + 14 + 2);
385 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
386 memcpy(skb_put(skb, 2), &data[6], 2);
387 memcpy(skb_put(skb, len), data+8, len);
389 skb->protocol = eth_type_trans(skb, zd->dev);
390 zd->dev->stats.rx_packets++;
391 zd->dev->stats.rx_bytes += skb->len;
395 memset(data, 0, ZD1201_RXSIZE);
399 if(usb_submit_urb(urb, GFP_ATOMIC))
406 wake_up(&zd->rxdataq);
407 kfree(urb->transfer_buffer);
411 static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata,
412 unsigned int riddatalen)
419 unsigned char *pdata;
422 err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0);
426 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
430 code = le16_to_cpu(*(__le16*)(&zd->rxdata[4]));
431 rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6]));
432 length = le16_to_cpu(*(__le16*)(&zd->rxdata[8]));
433 if (length > zd->rxlen)
434 length = zd->rxlen-6;
436 /* If access bit is not on, then error */
437 if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid )
440 /* Not enough buffer for allocating data */
441 if (riddatalen != (length - 4)) {
442 dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n",
443 riddatalen, zd->rxlen, length, rid, rid_fid);
448 /* Issue SetRxRid commnd */
449 err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length);
453 /* Receive RID record from resource packets */
454 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
458 if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) {
459 dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n",
460 zd->rxdata[zd->rxlen-1]);
464 /* Set the data pointer and received data length */
471 actual_length = (length > 64) ? 64 : length;
473 if (pdata[0] != 0x3) {
474 dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n",
479 if (actual_length != 64) {
480 /* Trim the last packet type byte */
484 /* Skip the 4 bytes header (RID length and RID) */
493 memcpy(riddata, pdata, actual_length);
494 riddata += actual_length;
495 pdata += actual_length;
498 } while (length > 0);
511 static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait)
514 unsigned char *request;
518 gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
520 len += 4; /* first 4 are for header */
524 for (seq=0; len > 0; seq++) {
525 request = kmalloc(16, gfp_mask);
528 urb = usb_alloc_urb(0, gfp_mask);
533 memset(request, 0, 16);
534 reqlen = len>12 ? 12 : len;
535 request[0] = ZD1201_USB_RESREQ;
539 if (request[1] == 0) {
541 *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2);
542 *(__le16*)&request[6] = cpu_to_le16(rid);
543 memcpy(request+8, buf, reqlen-4);
546 memcpy(request+4, buf, reqlen);
552 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb,
553 zd->endp_out2), request, 16, zd1201_usbfree, zd);
554 err = usb_submit_urb(urb, gfp_mask);
559 request = kmalloc(16, gfp_mask);
562 urb = usb_alloc_urb(0, gfp_mask);
567 *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ);
568 *((__le16*)&request[4]) =
569 cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT);
570 *((__le16*)&request[6]) = cpu_to_le16(rid);
571 *((__le16*)&request[8]) = cpu_to_le16(0);
572 *((__le16*)&request[10]) = cpu_to_le16(0);
573 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
574 request, 16, zd1201_usbfree, zd);
575 err = usb_submit_urb(urb, gfp_mask);
580 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
581 if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) {
582 dev_dbg(&zd->usb->dev, "wrong or no RID received\n");
593 static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val)
598 err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16));
601 *val = le16_to_cpu(zdval);
605 static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val)
607 __le16 zdval = cpu_to_le16(val);
608 return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1));
611 static int zd1201_drvr_start(struct zd1201 *zd)
616 unsigned char *buffer;
618 buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL);
622 usb_fill_bulk_urb(zd->rx_urb, zd->usb,
623 usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE,
626 err = usb_submit_urb(zd->rx_urb, GFP_KERNEL);
630 err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
634 err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax,
639 max = le16_to_cpu(zdmax);
640 for (i=0; i<max; i++) {
641 err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0);
649 usb_kill_urb(zd->rx_urb);
656 /* Magic alert: The firmware doesn't seem to like the MAC state being
657 * toggled in promisc (aka monitor) mode.
658 * (It works a number of times, but will halt eventually)
659 * So we turn it of before disabling and on after enabling if needed.
661 static int zd1201_enable(struct zd1201 *zd)
668 err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0);
673 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1);
678 static int zd1201_disable(struct zd1201 *zd)
682 if (!zd->mac_enabled)
685 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
690 err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0);
696 static int zd1201_mac_reset(struct zd1201 *zd)
698 if (!zd->mac_enabled)
701 return zd1201_enable(zd);
704 static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen)
707 char buf[IW_ESSID_MAX_SIZE+2];
709 err = zd1201_disable(zd);
713 val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
714 val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY;
715 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val);
719 *(__le16 *)buf = cpu_to_le16(essidlen);
720 memcpy(buf+2, essid, essidlen);
721 if (!zd->ap) { /* Normal station */
722 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
723 IW_ESSID_MAX_SIZE+2, 1);
727 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf,
728 IW_ESSID_MAX_SIZE+2, 1);
733 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
734 zd->dev->dev_addr, zd->dev->addr_len, 1);
738 err = zd1201_enable(zd);
746 static int zd1201_net_open(struct net_device *dev)
748 struct zd1201 *zd = netdev_priv(dev);
750 /* Start MAC with wildcard if no essid set */
751 if (!zd->mac_enabled)
752 zd1201_join(zd, zd->essid, zd->essidlen);
753 netif_start_queue(dev);
758 static int zd1201_net_stop(struct net_device *dev)
760 netif_stop_queue(dev);
765 RFC 1042 encapsulates Ethernet frames in 802.11 frames
766 by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0
767 (0x00, 0x00, 0x00). Zd requires an additional padding, copy
768 of ethernet addresses, length of the standard RFC 1042 packet
769 and a command byte (which is nul for tx).
771 tx frame (from Wlan NG):
773 llc 0xAA 0xAA 0x03 (802.2 LLC)
774 snap 0x00 0x00 0x00 (Ethernet encapsulated)
775 type 2 bytes, Ethernet type field
776 payload (minus eth header)
778 padding 1B if (skb->len+8+1)%64==0
779 Eth MAC addr 12 bytes, Ethernet MAC addresses
780 length 2 bytes, RFC 1042 packet length
781 (llc+snap+type+payload)
782 zd 1 null byte, zd1201 packet type
784 static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb,
785 struct net_device *dev)
787 struct zd1201 *zd = netdev_priv(dev);
788 unsigned char *txbuf = zd->txdata;
789 int txbuflen, pad = 0, err;
790 struct urb *urb = zd->tx_urb;
792 if (!zd->mac_enabled || zd->monitor) {
793 dev->stats.tx_dropped++;
797 netif_stop_queue(dev);
799 txbuflen = skb->len + 8 + 1;
800 if (txbuflen%64 == 0) {
807 txbuf[3] = 0x00; /* rfc1042 */
811 skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
813 txbuf[skb->len-12+6]=0;
814 skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
815 *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
816 txbuf[txbuflen-1] = 0;
818 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out),
819 txbuf, txbuflen, zd1201_usbtx, zd);
821 err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC);
823 dev->stats.tx_errors++;
824 netif_start_queue(dev);
826 dev->stats.tx_packets++;
827 dev->stats.tx_bytes += skb->len;
834 static void zd1201_tx_timeout(struct net_device *dev)
836 struct zd1201 *zd = netdev_priv(dev);
840 dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n",
842 usb_unlink_urb(zd->tx_urb);
843 dev->stats.tx_errors++;
844 /* Restart the timeout to quiet the watchdog: */
845 dev->trans_start = jiffies; /* prevent tx timeout */
848 static int zd1201_set_mac_address(struct net_device *dev, void *p)
850 struct sockaddr *addr = p;
851 struct zd1201 *zd = netdev_priv(dev);
857 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
858 addr->sa_data, dev->addr_len, 1);
861 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
863 return zd1201_mac_reset(zd);
866 static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
868 struct zd1201 *zd = netdev_priv(dev);
873 static void zd1201_set_multicast(struct net_device *dev)
875 struct zd1201 *zd = netdev_priv(dev);
876 struct netdev_hw_addr *ha;
877 unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
880 if (netdev_mc_count(dev) > ZD1201_MAXMULTI)
884 netdev_for_each_mc_addr(ha, dev)
885 memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN);
886 zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
887 netdev_mc_count(dev) * ETH_ALEN, 0);
890 static int zd1201_config_commit(struct net_device *dev,
891 struct iw_request_info *info, struct iw_point *data, char *essid)
893 struct zd1201 *zd = netdev_priv(dev);
895 return zd1201_mac_reset(zd);
898 static int zd1201_get_name(struct net_device *dev,
899 struct iw_request_info *info, char *name, char *extra)
901 strcpy(name, "IEEE 802.11b");
905 static int zd1201_set_freq(struct net_device *dev,
906 struct iw_request_info *info, struct iw_freq *freq, char *extra)
908 struct zd1201 *zd = netdev_priv(dev);
915 channel = ieee80211_freq_to_dsss_chan(freq->m);
920 err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel);
924 zd1201_mac_reset(zd);
929 static int zd1201_get_freq(struct net_device *dev,
930 struct iw_request_info *info, struct iw_freq *freq, char *extra)
932 struct zd1201 *zd = netdev_priv(dev);
936 err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel);
945 static int zd1201_set_mode(struct net_device *dev,
946 struct iw_request_info *info, __u32 *mode, char *extra)
948 struct zd1201 *zd = netdev_priv(dev);
949 short porttype, monitor = 0;
950 unsigned char buffer[IW_ESSID_MAX_SIZE+2];
954 if (*mode != IW_MODE_MASTER)
959 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
962 zd->dev->type = ARPHRD_ETHER;
964 case IW_MODE_MONITOR:
966 zd->dev->type = ARPHRD_IEEE80211;
967 /* Make sure we are no longer associated with by
968 setting an 'impossible' essid.
969 (otherwise we mess up firmware)
971 zd1201_join(zd, "\0-*#\0", 5);
972 /* Put port in pIBSS */
973 case 8: /* No pseudo-IBSS in wireless extensions (yet) */
974 porttype = ZD1201_PORTTYPE_PSEUDOIBSS;
977 porttype = ZD1201_PORTTYPE_IBSS;
980 porttype = ZD1201_PORTTYPE_BSS;
986 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
989 if (zd->monitor && !monitor) {
991 *(__le16 *)buffer = cpu_to_le16(zd->essidlen);
992 memcpy(buffer+2, zd->essid, zd->essidlen);
993 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID,
994 buffer, IW_ESSID_MAX_SIZE+2, 1);
998 zd->monitor = monitor;
999 /* If monitor mode is set we don't actually turn it on here since it
1000 * is done during mac reset anyway (see zd1201_mac_enable).
1002 zd1201_mac_reset(zd);
1007 static int zd1201_get_mode(struct net_device *dev,
1008 struct iw_request_info *info, __u32 *mode, char *extra)
1010 struct zd1201 *zd = netdev_priv(dev);
1014 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype);
1018 case ZD1201_PORTTYPE_IBSS:
1019 *mode = IW_MODE_ADHOC;
1021 case ZD1201_PORTTYPE_BSS:
1022 *mode = IW_MODE_INFRA;
1024 case ZD1201_PORTTYPE_WDS:
1025 *mode = IW_MODE_REPEAT;
1027 case ZD1201_PORTTYPE_PSEUDOIBSS:
1028 *mode = 8;/* No Pseudo-IBSS... */
1030 case ZD1201_PORTTYPE_AP:
1031 *mode = IW_MODE_MASTER;
1034 dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n",
1036 *mode = IW_MODE_AUTO;
1039 *mode = IW_MODE_MONITOR;
1044 static int zd1201_get_range(struct net_device *dev,
1045 struct iw_request_info *info, struct iw_point *wrq, char *extra)
1047 struct iw_range *range = (struct iw_range *)extra;
1049 wrq->length = sizeof(struct iw_range);
1050 memset(range, 0, sizeof(struct iw_range));
1051 range->we_version_compiled = WIRELESS_EXT;
1052 range->we_version_source = WIRELESS_EXT;
1054 range->max_qual.qual = 128;
1055 range->max_qual.level = 128;
1056 range->max_qual.noise = 128;
1057 range->max_qual.updated = 7;
1059 range->encoding_size[0] = 5;
1060 range->encoding_size[1] = 13;
1061 range->num_encoding_sizes = 2;
1062 range->max_encoding_tokens = ZD1201_NUMKEYS;
1064 range->num_bitrates = 4;
1065 range->bitrate[0] = 1000000;
1066 range->bitrate[1] = 2000000;
1067 range->bitrate[2] = 5500000;
1068 range->bitrate[3] = 11000000;
1071 range->min_frag = ZD1201_FRAGMIN;
1072 range->max_rts = ZD1201_RTSMAX;
1073 range->min_frag = ZD1201_FRAGMAX;
1078 /* Little bit of magic here: we only get the quality if we poll
1079 * for it, and we never get an actual request to trigger such
1080 * a poll. Therefore we 'assume' that the user will soon ask for
1081 * the stats after asking the bssid.
1083 static int zd1201_get_wap(struct net_device *dev,
1084 struct iw_request_info *info, struct sockaddr *ap_addr, char *extra)
1086 struct zd1201 *zd = netdev_priv(dev);
1087 unsigned char buffer[6];
1089 if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) {
1090 /* Unfortunately the quality and noise reported is useless.
1091 they seem to be accumulators that increase until you
1092 read them, unless we poll on a fixed interval we can't
1095 /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/
1096 zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]);
1097 /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/
1098 zd->iwstats.qual.updated = 2;
1101 return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6);
1104 static int zd1201_set_scan(struct net_device *dev,
1105 struct iw_request_info *info, struct iw_point *srq, char *extra)
1107 /* We do everything in get_scan */
1111 static int zd1201_get_scan(struct net_device *dev,
1112 struct iw_request_info *info, struct iw_point *srq, char *extra)
1114 struct zd1201 *zd = netdev_priv(dev);
1115 int err, i, j, enabled_save;
1116 struct iw_event iwe;
1118 char *end_buf = extra + IW_SCAN_MAX_DATA;
1120 /* No scanning in AP mode */
1124 /* Scan doesn't seem to work if disabled */
1125 enabled_save = zd->mac_enabled;
1129 err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE,
1130 ZD1201_INQ_SCANRESULTS, 0, 0);
1134 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
1138 if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS)
1141 for(i=8; i<zd->rxlen; i+=62) {
1142 iwe.cmd = SIOCGIWAP;
1143 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1144 memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6);
1145 cev = iwe_stream_add_event(info, cev, end_buf,
1146 &iwe, IW_EV_ADDR_LEN);
1148 iwe.cmd = SIOCGIWESSID;
1149 iwe.u.data.length = zd->rxdata[i+16];
1150 iwe.u.data.flags = 1;
1151 cev = iwe_stream_add_point(info, cev, end_buf,
1152 &iwe, zd->rxdata+i+18);
1154 iwe.cmd = SIOCGIWMODE;
1155 if (zd->rxdata[i+14]&0x01)
1156 iwe.u.mode = IW_MODE_MASTER;
1158 iwe.u.mode = IW_MODE_ADHOC;
1159 cev = iwe_stream_add_event(info, cev, end_buf,
1160 &iwe, IW_EV_UINT_LEN);
1162 iwe.cmd = SIOCGIWFREQ;
1163 iwe.u.freq.m = zd->rxdata[i+0];
1165 cev = iwe_stream_add_event(info, cev, end_buf,
1166 &iwe, IW_EV_FREQ_LEN);
1168 iwe.cmd = SIOCGIWRATE;
1169 iwe.u.bitrate.fixed = 0;
1170 iwe.u.bitrate.disabled = 0;
1171 for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) {
1172 iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000;
1173 cev = iwe_stream_add_event(info, cev, end_buf,
1174 &iwe, IW_EV_PARAM_LEN);
1177 iwe.cmd = SIOCGIWENCODE;
1178 iwe.u.data.length = 0;
1179 if (zd->rxdata[i+14]&0x10)
1180 iwe.u.data.flags = IW_ENCODE_ENABLED;
1182 iwe.u.data.flags = IW_ENCODE_DISABLED;
1183 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL);
1186 iwe.u.qual.qual = zd->rxdata[i+4];
1187 iwe.u.qual.noise= zd->rxdata[i+2]/10-100;
1188 iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100;
1189 iwe.u.qual.updated = 7;
1190 cev = iwe_stream_add_event(info, cev, end_buf,
1191 &iwe, IW_EV_QUAL_LEN);
1197 srq->length = cev - extra;
1203 static int zd1201_set_essid(struct net_device *dev,
1204 struct iw_request_info *info, struct iw_point *data, char *essid)
1206 struct zd1201 *zd = netdev_priv(dev);
1208 if (data->length > IW_ESSID_MAX_SIZE)
1210 if (data->length < 1)
1212 zd->essidlen = data->length;
1213 memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1);
1214 memcpy(zd->essid, essid, data->length);
1215 return zd1201_join(zd, zd->essid, zd->essidlen);
1218 static int zd1201_get_essid(struct net_device *dev,
1219 struct iw_request_info *info, struct iw_point *data, char *essid)
1221 struct zd1201 *zd = netdev_priv(dev);
1223 memcpy(essid, zd->essid, zd->essidlen);
1225 data->length = zd->essidlen;
1230 static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info,
1231 struct iw_point *data, char *nick)
1233 strcpy(nick, "zd1201");
1235 data->length = strlen(nick);
1239 static int zd1201_set_rate(struct net_device *dev,
1240 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1242 struct zd1201 *zd = netdev_priv(dev);
1246 switch (rrq->value) {
1248 rate = ZD1201_RATEB1;
1251 rate = ZD1201_RATEB2;
1254 rate = ZD1201_RATEB5;
1258 rate = ZD1201_RATEB11;
1261 if (!rrq->fixed) { /* Also enable all lower bitrates */
1265 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate);
1269 return zd1201_mac_reset(zd);
1272 static int zd1201_get_rate(struct net_device *dev,
1273 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1275 struct zd1201 *zd = netdev_priv(dev);
1279 err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate);
1285 rrq->value = 1000000;
1288 rrq->value = 2000000;
1291 rrq->value = 5500000;
1294 rrq->value = 11000000;
1305 static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info,
1306 struct iw_param *rts, char *extra)
1308 struct zd1201 *zd = netdev_priv(dev);
1310 short val = rts->value;
1312 if (rts->disabled || !rts->fixed)
1313 val = ZD1201_RTSMAX;
1314 if (val > ZD1201_RTSMAX)
1319 err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val);
1322 return zd1201_mac_reset(zd);
1325 static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info,
1326 struct iw_param *rts, char *extra)
1328 struct zd1201 *zd = netdev_priv(dev);
1332 err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst);
1336 rts->disabled = (rts->value == ZD1201_RTSMAX);
1342 static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info,
1343 struct iw_param *frag, char *extra)
1345 struct zd1201 *zd = netdev_priv(dev);
1347 short val = frag->value;
1349 if (frag->disabled || !frag->fixed)
1350 val = ZD1201_FRAGMAX;
1351 if (val > ZD1201_FRAGMAX)
1353 if (val < ZD1201_FRAGMIN)
1357 err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val);
1360 return zd1201_mac_reset(zd);
1363 static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info,
1364 struct iw_param *frag, char *extra)
1366 struct zd1201 *zd = netdev_priv(dev);
1370 err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt);
1373 frag->value = fragt;
1374 frag->disabled = (frag->value == ZD1201_FRAGMAX);
1380 static int zd1201_set_retry(struct net_device *dev,
1381 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1386 static int zd1201_get_retry(struct net_device *dev,
1387 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1392 static int zd1201_set_encode(struct net_device *dev,
1393 struct iw_request_info *info, struct iw_point *erq, char *key)
1395 struct zd1201 *zd = netdev_priv(dev);
1399 if (erq->length > ZD1201_MAXKEYLEN)
1402 i = (erq->flags & IW_ENCODE_INDEX)-1;
1404 err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i);
1408 err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i);
1413 if (i < 0 || i >= ZD1201_NUMKEYS)
1416 rid = ZD1201_RID_CNFDEFAULTKEY0 + i;
1417 err = zd1201_setconfig(zd, rid, key, erq->length, 1);
1420 zd->encode_keylen[i] = erq->length;
1421 memcpy(zd->encode_keys[i], key, erq->length);
1424 if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) {
1426 zd->encode_enabled = 1;
1428 zd->encode_enabled = 0;
1429 if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) {
1431 zd->encode_restricted = 1;
1433 zd->encode_restricted = 0;
1434 err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i);
1438 if (zd->encode_enabled)
1439 i = ZD1201_CNFAUTHENTICATION_SHAREDKEY;
1441 i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
1442 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i);
1446 return zd1201_mac_reset(zd);
1449 static int zd1201_get_encode(struct net_device *dev,
1450 struct iw_request_info *info, struct iw_point *erq, char *key)
1452 struct zd1201 *zd = netdev_priv(dev);
1456 if (zd->encode_enabled)
1457 erq->flags = IW_ENCODE_ENABLED;
1459 erq->flags = IW_ENCODE_DISABLED;
1460 if (zd->encode_restricted)
1461 erq->flags |= IW_ENCODE_RESTRICTED;
1463 erq->flags |= IW_ENCODE_OPEN;
1465 i = (erq->flags & IW_ENCODE_INDEX) -1;
1467 err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i);
1471 if (i<0 || i>= ZD1201_NUMKEYS)
1476 erq->length = zd->encode_keylen[i];
1477 memcpy(key, zd->encode_keys[i], erq->length);
1482 static int zd1201_set_power(struct net_device *dev,
1483 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1485 struct zd1201 *zd = netdev_priv(dev);
1486 short enabled, duration, level;
1489 enabled = vwrq->disabled ? 0 : 1;
1491 if (vwrq->flags & IW_POWER_PERIOD) {
1492 duration = vwrq->value;
1493 err = zd1201_setconfig16(zd,
1494 ZD1201_RID_CNFMAXSLEEPDURATION, duration);
1499 if (vwrq->flags & IW_POWER_TIMEOUT) {
1500 err = zd1201_getconfig16(zd,
1501 ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1504 level = vwrq->value * 4 / duration;
1509 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS,
1518 return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled);
1521 static int zd1201_get_power(struct net_device *dev,
1522 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1524 struct zd1201 *zd = netdev_priv(dev);
1525 short enabled, level, duration;
1528 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled);
1531 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level);
1534 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1537 vwrq->disabled = enabled ? 0 : 1;
1538 if (vwrq->flags & IW_POWER_TYPE) {
1539 if (vwrq->flags & IW_POWER_PERIOD) {
1540 vwrq->value = duration;
1541 vwrq->flags = IW_POWER_PERIOD;
1543 vwrq->value = duration * level / 4;
1544 vwrq->flags = IW_POWER_TIMEOUT;
1547 if (vwrq->flags & IW_POWER_MODE) {
1548 if (enabled && level)
1549 vwrq->flags = IW_POWER_UNICAST_R;
1551 vwrq->flags = IW_POWER_ALL_R;
1558 static const iw_handler zd1201_iw_handler[] =
1560 (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */
1561 (iw_handler) zd1201_get_name, /* SIOCGIWNAME */
1562 (iw_handler) NULL, /* SIOCSIWNWID */
1563 (iw_handler) NULL, /* SIOCGIWNWID */
1564 (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */
1565 (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */
1566 (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */
1567 (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */
1568 (iw_handler) NULL, /* SIOCSIWSENS */
1569 (iw_handler) NULL, /* SIOCGIWSENS */
1570 (iw_handler) NULL, /* SIOCSIWRANGE */
1571 (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */
1572 (iw_handler) NULL, /* SIOCSIWPRIV */
1573 (iw_handler) NULL, /* SIOCGIWPRIV */
1574 (iw_handler) NULL, /* SIOCSIWSTATS */
1575 (iw_handler) NULL, /* SIOCGIWSTATS */
1576 (iw_handler) NULL, /* SIOCSIWSPY */
1577 (iw_handler) NULL, /* SIOCGIWSPY */
1578 (iw_handler) NULL, /* -- hole -- */
1579 (iw_handler) NULL, /* -- hole -- */
1580 (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */
1581 (iw_handler) zd1201_get_wap, /* SIOCGIWAP */
1582 (iw_handler) NULL, /* -- hole -- */
1583 (iw_handler) NULL, /* SIOCGIWAPLIST */
1584 (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */
1585 (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */
1586 (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */
1587 (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */
1588 (iw_handler) NULL, /* SIOCSIWNICKN */
1589 (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */
1590 (iw_handler) NULL, /* -- hole -- */
1591 (iw_handler) NULL, /* -- hole -- */
1592 (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */
1593 (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */
1594 (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */
1595 (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */
1596 (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */
1597 (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */
1598 (iw_handler) NULL, /* SIOCSIWTXPOW */
1599 (iw_handler) NULL, /* SIOCGIWTXPOW */
1600 (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */
1601 (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */
1602 (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */
1603 (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */
1604 (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */
1605 (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */
1608 static int zd1201_set_hostauth(struct net_device *dev,
1609 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1611 struct zd1201 *zd = netdev_priv(dev);
1616 return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value);
1619 static int zd1201_get_hostauth(struct net_device *dev,
1620 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1622 struct zd1201 *zd = netdev_priv(dev);
1629 err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth);
1632 rrq->value = hostauth;
1638 static int zd1201_auth_sta(struct net_device *dev,
1639 struct iw_request_info *info, struct sockaddr *sta, char *extra)
1641 struct zd1201 *zd = netdev_priv(dev);
1642 unsigned char buffer[10];
1647 memcpy(buffer, sta->sa_data, ETH_ALEN);
1648 *(short*)(buffer+6) = 0; /* 0==success, 1==failure */
1649 *(short*)(buffer+8) = 0;
1651 return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1);
1654 static int zd1201_set_maxassoc(struct net_device *dev,
1655 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1657 struct zd1201 *zd = netdev_priv(dev);
1663 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value);
1669 static int zd1201_get_maxassoc(struct net_device *dev,
1670 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1672 struct zd1201 *zd = netdev_priv(dev);
1679 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc);
1682 rrq->value = maxassoc;
1688 static const iw_handler zd1201_private_handler[] = {
1689 (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */
1690 (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */
1691 (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */
1692 (iw_handler) NULL, /* nothing to get */
1693 (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */
1694 (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */
1697 static const struct iw_priv_args zd1201_private_args[] = {
1698 { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1699 IW_PRIV_TYPE_NONE, "sethostauth" },
1700 { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE,
1701 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" },
1702 { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1,
1703 IW_PRIV_TYPE_NONE, "authstation" },
1704 { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1705 IW_PRIV_TYPE_NONE, "setmaxassoc" },
1706 { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE,
1707 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" },
1710 static const struct iw_handler_def zd1201_iw_handlers = {
1711 .num_standard = ARRAY_SIZE(zd1201_iw_handler),
1712 .num_private = ARRAY_SIZE(zd1201_private_handler),
1713 .num_private_args = ARRAY_SIZE(zd1201_private_args),
1714 .standard = (iw_handler *)zd1201_iw_handler,
1715 .private = (iw_handler *)zd1201_private_handler,
1716 .private_args = (struct iw_priv_args *) zd1201_private_args,
1717 .get_wireless_stats = zd1201_get_wireless_stats,
1720 static const struct net_device_ops zd1201_netdev_ops = {
1721 .ndo_open = zd1201_net_open,
1722 .ndo_stop = zd1201_net_stop,
1723 .ndo_start_xmit = zd1201_hard_start_xmit,
1724 .ndo_tx_timeout = zd1201_tx_timeout,
1725 .ndo_set_multicast_list = zd1201_set_multicast,
1726 .ndo_set_mac_address = zd1201_set_mac_address,
1727 .ndo_change_mtu = eth_change_mtu,
1728 .ndo_validate_addr = eth_validate_addr,
1731 static int zd1201_probe(struct usb_interface *interface,
1732 const struct usb_device_id *id)
1735 struct net_device *dev;
1736 struct usb_device *usb;
1739 char buf[IW_ESSID_MAX_SIZE+2];
1741 usb = interface_to_usbdev(interface);
1743 dev = alloc_etherdev(sizeof(*zd));
1746 zd = netdev_priv(dev);
1752 init_waitqueue_head(&zd->rxdataq);
1753 INIT_HLIST_HEAD(&zd->fraglist);
1755 err = zd1201_fw_upload(usb, zd->ap);
1757 dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err);
1764 zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
1765 zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
1766 if (!zd->rx_urb || !zd->tx_urb)
1770 err = zd1201_drvr_start(zd);
1774 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312);
1778 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL,
1779 ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11);
1783 dev->netdev_ops = &zd1201_netdev_ops;
1784 dev->wireless_handlers = &zd1201_iw_handlers;
1785 dev->watchdog_timeo = ZD1201_TX_TIMEOUT;
1786 strcpy(dev->name, "wlan%d");
1788 err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR,
1789 dev->dev_addr, dev->addr_len);
1793 /* Set wildcard essid to match zd->essid */
1794 *(__le16 *)buf = cpu_to_le16(0);
1795 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
1796 IW_ESSID_MAX_SIZE+2, 1);
1801 porttype = ZD1201_PORTTYPE_AP;
1803 porttype = ZD1201_PORTTYPE_BSS;
1804 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
1808 SET_NETDEV_DEV(dev, &usb->dev);
1810 err = register_netdev(dev);
1813 dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n",
1816 usb_set_intfdata(interface, zd);
1817 zd1201_enable(zd); /* zd1201 likes to startup enabled, */
1818 zd1201_disable(zd); /* interfering with all the wifis in range */
1822 /* Leave the device in reset state */
1823 zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
1825 usb_free_urb(zd->tx_urb);
1826 usb_free_urb(zd->rx_urb);
1831 static void zd1201_disconnect(struct usb_interface *interface)
1833 struct zd1201 *zd = usb_get_intfdata(interface);
1834 struct hlist_node *node, *node2;
1835 struct zd1201_frag *frag;
1839 usb_set_intfdata(interface, NULL);
1841 hlist_for_each_entry_safe(frag, node, node2, &zd->fraglist, fnode) {
1842 hlist_del_init(&frag->fnode);
1843 kfree_skb(frag->skb);
1848 usb_kill_urb(zd->tx_urb);
1849 usb_free_urb(zd->tx_urb);
1852 usb_kill_urb(zd->rx_urb);
1853 usb_free_urb(zd->rx_urb);
1857 unregister_netdev(zd->dev);
1858 free_netdev(zd->dev);
1864 static int zd1201_suspend(struct usb_interface *interface,
1865 pm_message_t message)
1867 struct zd1201 *zd = usb_get_intfdata(interface);
1869 netif_device_detach(zd->dev);
1871 zd->was_enabled = zd->mac_enabled;
1873 if (zd->was_enabled)
1874 return zd1201_disable(zd);
1879 static int zd1201_resume(struct usb_interface *interface)
1881 struct zd1201 *zd = usb_get_intfdata(interface);
1883 if (!zd || !zd->dev)
1886 netif_device_attach(zd->dev);
1888 if (zd->was_enabled)
1889 return zd1201_enable(zd);
1896 #define zd1201_suspend NULL
1897 #define zd1201_resume NULL
1901 static struct usb_driver zd1201_usb = {
1903 .probe = zd1201_probe,
1904 .disconnect = zd1201_disconnect,
1905 .id_table = zd1201_table,
1906 .suspend = zd1201_suspend,
1907 .resume = zd1201_resume,
1910 static int __init zd1201_init(void)
1912 return usb_register(&zd1201_usb);
1915 static void __exit zd1201_cleanup(void)
1917 usb_deregister(&zd1201_usb);
1920 module_init(zd1201_init);
1921 module_exit(zd1201_cleanup);