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/netdevice.h>
18 #include <linux/etherdevice.h>
19 #include <linux/wireless.h>
20 #include <linux/ieee80211.h>
21 #include <net/iw_handler.h>
22 #include <linux/string.h>
23 #include <linux/if_arp.h>
24 #include <linux/firmware.h>
27 static struct usb_device_id zd1201_table[] = {
28 {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */
29 {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */
30 {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */
31 {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */
32 {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */
36 static int ap; /* Are we an AP or a normal station? */
38 #define ZD1201_VERSION "0.15"
40 MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
41 MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters");
42 MODULE_VERSION(ZD1201_VERSION);
43 MODULE_LICENSE("GPL");
44 module_param(ap, int, 0);
45 MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded");
46 MODULE_DEVICE_TABLE(usb, zd1201_table);
49 static int zd1201_fw_upload(struct usb_device *dev, int apfw)
51 const struct firmware *fw_entry;
60 fwfile = "zd1201-ap.fw";
64 err = request_firmware(&fw_entry, fwfile, &dev->dev);
66 dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile);
67 dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n");
68 dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n");
72 data = fw_entry->data;
75 buf = kmalloc(1024, GFP_ATOMIC);
80 int translen = (len > 1024) ? 1024 : len;
81 memcpy(buf, data, translen);
83 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0,
84 USB_DIR_OUT | 0x40, 0, 0, buf, translen,
93 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2,
94 USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT);
98 err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
99 USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
111 release_firmware(fw_entry);
115 MODULE_FIRMWARE("zd1201-ap.fw");
116 MODULE_FIRMWARE("zd1201.fw");
118 static void zd1201_usbfree(struct urb *urb)
120 struct zd1201 *zd = urb->context;
122 switch(urb->status) {
130 dev_warn(&zd->usb->dev, "%s: urb failed: %d\n",
131 zd->dev->name, urb->status);
134 kfree(urb->transfer_buffer);
147 total: 4 + 2 + 2 + 2 + 2 + 4 = 16
149 static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0,
150 int parm1, int parm2)
152 unsigned char *command;
156 command = kmalloc(16, GFP_ATOMIC);
160 *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ);
161 *((__le16*)&command[4]) = cpu_to_le16(cmd);
162 *((__le16*)&command[6]) = cpu_to_le16(parm0);
163 *((__le16*)&command[8]) = cpu_to_le16(parm1);
164 *((__le16*)&command[10])= cpu_to_le16(parm2);
166 urb = usb_alloc_urb(0, GFP_ATOMIC);
171 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
172 command, 16, zd1201_usbfree, zd);
173 ret = usb_submit_urb(urb, GFP_ATOMIC);
182 /* Callback after sending out a packet */
183 static void zd1201_usbtx(struct urb *urb)
185 struct zd1201 *zd = urb->context;
186 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);
412 static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata,
413 unsigned int riddatalen)
420 unsigned char *pdata;
423 err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0);
427 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
431 code = le16_to_cpu(*(__le16*)(&zd->rxdata[4]));
432 rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6]));
433 length = le16_to_cpu(*(__le16*)(&zd->rxdata[8]));
434 if (length > zd->rxlen)
435 length = zd->rxlen-6;
437 /* If access bit is not on, then error */
438 if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid )
441 /* Not enough buffer for allocating data */
442 if (riddatalen != (length - 4)) {
443 dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n",
444 riddatalen, zd->rxlen, length, rid, rid_fid);
449 /* Issue SetRxRid commnd */
450 err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length);
454 /* Receive RID record from resource packets */
455 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
459 if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) {
460 dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n",
461 zd->rxdata[zd->rxlen-1]);
465 /* Set the data pointer and received data length */
472 actual_length = (length > 64) ? 64 : length;
474 if (pdata[0] != 0x3) {
475 dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n",
480 if (actual_length != 64) {
481 /* Trim the last packet type byte */
485 /* Skip the 4 bytes header (RID length and RID) */
494 memcpy(riddata, pdata, actual_length);
495 riddata += actual_length;
496 pdata += actual_length;
499 } while (length > 0);
512 static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait)
515 unsigned char *request;
519 gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
521 len += 4; /* first 4 are for header */
525 for (seq=0; len > 0; seq++) {
526 request = kmalloc(16, gfp_mask);
529 urb = usb_alloc_urb(0, gfp_mask);
534 memset(request, 0, 16);
535 reqlen = len>12 ? 12 : len;
536 request[0] = ZD1201_USB_RESREQ;
540 if (request[1] == 0) {
542 *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2);
543 *(__le16*)&request[6] = cpu_to_le16(rid);
544 memcpy(request+8, buf, reqlen-4);
547 memcpy(request+4, buf, reqlen);
553 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb,
554 zd->endp_out2), request, 16, zd1201_usbfree, zd);
555 err = usb_submit_urb(urb, gfp_mask);
560 request = kmalloc(16, gfp_mask);
563 urb = usb_alloc_urb(0, gfp_mask);
568 *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ);
569 *((__le16*)&request[4]) =
570 cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT);
571 *((__le16*)&request[6]) = cpu_to_le16(rid);
572 *((__le16*)&request[8]) = cpu_to_le16(0);
573 *((__le16*)&request[10]) = cpu_to_le16(0);
574 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
575 request, 16, zd1201_usbfree, zd);
576 err = usb_submit_urb(urb, gfp_mask);
581 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
582 if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) {
583 dev_dbg(&zd->usb->dev, "wrong or no RID received\n");
594 static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val)
599 err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16));
602 *val = le16_to_cpu(zdval);
606 static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val)
608 __le16 zdval = cpu_to_le16(val);
609 return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1));
612 static int zd1201_drvr_start(struct zd1201 *zd)
617 unsigned char *buffer;
619 buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL);
623 usb_fill_bulk_urb(zd->rx_urb, zd->usb,
624 usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE,
627 err = usb_submit_urb(zd->rx_urb, GFP_KERNEL);
631 err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
635 err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax,
640 max = le16_to_cpu(zdmax);
641 for (i=0; i<max; i++) {
642 err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0);
650 usb_kill_urb(zd->rx_urb);
657 /* Magic alert: The firmware doesn't seem to like the MAC state being
658 * toggled in promisc (aka monitor) mode.
659 * (It works a number of times, but will halt eventually)
660 * So we turn it of before disabling and on after enabling if needed.
662 static int zd1201_enable(struct zd1201 *zd)
669 err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0);
674 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1);
679 static int zd1201_disable(struct zd1201 *zd)
683 if (!zd->mac_enabled)
686 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
691 err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0);
697 static int zd1201_mac_reset(struct zd1201 *zd)
699 if (!zd->mac_enabled)
702 return zd1201_enable(zd);
705 static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen)
708 char buf[IW_ESSID_MAX_SIZE+2];
710 err = zd1201_disable(zd);
714 val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
715 val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY;
716 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val);
720 *(__le16 *)buf = cpu_to_le16(essidlen);
721 memcpy(buf+2, essid, essidlen);
722 if (!zd->ap) { /* Normal station */
723 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
724 IW_ESSID_MAX_SIZE+2, 1);
728 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf,
729 IW_ESSID_MAX_SIZE+2, 1);
734 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
735 zd->dev->dev_addr, zd->dev->addr_len, 1);
739 err = zd1201_enable(zd);
747 static int zd1201_net_open(struct net_device *dev)
749 struct zd1201 *zd = netdev_priv(dev);
751 /* Start MAC with wildcard if no essid set */
752 if (!zd->mac_enabled)
753 zd1201_join(zd, zd->essid, zd->essidlen);
754 netif_start_queue(dev);
759 static int zd1201_net_stop(struct net_device *dev)
761 netif_stop_queue(dev);
766 RFC 1042 encapsulates Ethernet frames in 802.11 frames
767 by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0
768 (0x00, 0x00, 0x00). Zd requires an additional padding, copy
769 of ethernet addresses, length of the standard RFC 1042 packet
770 and a command byte (which is nul for tx).
772 tx frame (from Wlan NG):
774 llc 0xAA 0xAA 0x03 (802.2 LLC)
775 snap 0x00 0x00 0x00 (Ethernet encapsulated)
776 type 2 bytes, Ethernet type field
777 payload (minus eth header)
779 padding 1B if (skb->len+8+1)%64==0
780 Eth MAC addr 12 bytes, Ethernet MAC addresses
781 length 2 bytes, RFC 1042 packet length
782 (llc+snap+type+payload)
783 zd 1 null byte, zd1201 packet type
785 static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb,
786 struct net_device *dev)
788 struct zd1201 *zd = netdev_priv(dev);
789 unsigned char *txbuf = zd->txdata;
790 int txbuflen, pad = 0, err;
791 struct urb *urb = zd->tx_urb;
793 if (!zd->mac_enabled || zd->monitor) {
794 dev->stats.tx_dropped++;
798 netif_stop_queue(dev);
800 txbuflen = skb->len + 8 + 1;
801 if (txbuflen%64 == 0) {
808 txbuf[3] = 0x00; /* rfc1042 */
812 skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
814 txbuf[skb->len-12+6]=0;
815 skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
816 *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
817 txbuf[txbuflen-1] = 0;
819 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out),
820 txbuf, txbuflen, zd1201_usbtx, zd);
822 err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC);
824 dev->stats.tx_errors++;
825 netif_start_queue(dev);
827 dev->stats.tx_packets++;
828 dev->stats.tx_bytes += skb->len;
829 dev->trans_start = jiffies;
836 static void zd1201_tx_timeout(struct net_device *dev)
838 struct zd1201 *zd = netdev_priv(dev);
842 dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n",
844 usb_unlink_urb(zd->tx_urb);
845 dev->stats.tx_errors++;
846 /* Restart the timeout to quiet the watchdog: */
847 dev->trans_start = jiffies;
850 static int zd1201_set_mac_address(struct net_device *dev, void *p)
852 struct sockaddr *addr = p;
853 struct zd1201 *zd = netdev_priv(dev);
859 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
860 addr->sa_data, dev->addr_len, 1);
863 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
865 return zd1201_mac_reset(zd);
868 static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
870 struct zd1201 *zd = netdev_priv(dev);
875 static void zd1201_set_multicast(struct net_device *dev)
877 struct zd1201 *zd = netdev_priv(dev);
878 struct dev_mc_list *mc = dev->mc_list;
879 unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
882 if (netdev_mc_count(dev) > ZD1201_MAXMULTI)
885 for (i=0; i<netdev_mc_count(dev); i++) {
886 memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN);
889 zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
890 netdev_mc_count(dev) * ETH_ALEN, 0);
893 static int zd1201_config_commit(struct net_device *dev,
894 struct iw_request_info *info, struct iw_point *data, char *essid)
896 struct zd1201 *zd = netdev_priv(dev);
898 return zd1201_mac_reset(zd);
901 static int zd1201_get_name(struct net_device *dev,
902 struct iw_request_info *info, char *name, char *extra)
904 strcpy(name, "IEEE 802.11b");
908 static int zd1201_set_freq(struct net_device *dev,
909 struct iw_request_info *info, struct iw_freq *freq, char *extra)
911 struct zd1201 *zd = netdev_priv(dev);
918 channel = ieee80211_freq_to_dsss_chan(freq->m);
923 err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel);
927 zd1201_mac_reset(zd);
932 static int zd1201_get_freq(struct net_device *dev,
933 struct iw_request_info *info, struct iw_freq *freq, char *extra)
935 struct zd1201 *zd = netdev_priv(dev);
939 err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel);
948 static int zd1201_set_mode(struct net_device *dev,
949 struct iw_request_info *info, __u32 *mode, char *extra)
951 struct zd1201 *zd = netdev_priv(dev);
952 short porttype, monitor = 0;
953 unsigned char buffer[IW_ESSID_MAX_SIZE+2];
957 if (*mode != IW_MODE_MASTER)
962 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
965 zd->dev->type = ARPHRD_ETHER;
967 case IW_MODE_MONITOR:
969 zd->dev->type = ARPHRD_IEEE80211;
970 /* Make sure we are no longer associated with by
971 setting an 'impossible' essid.
972 (otherwise we mess up firmware)
974 zd1201_join(zd, "\0-*#\0", 5);
975 /* Put port in pIBSS */
976 case 8: /* No pseudo-IBSS in wireless extensions (yet) */
977 porttype = ZD1201_PORTTYPE_PSEUDOIBSS;
980 porttype = ZD1201_PORTTYPE_IBSS;
983 porttype = ZD1201_PORTTYPE_BSS;
989 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
992 if (zd->monitor && !monitor) {
994 *(__le16 *)buffer = cpu_to_le16(zd->essidlen);
995 memcpy(buffer+2, zd->essid, zd->essidlen);
996 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID,
997 buffer, IW_ESSID_MAX_SIZE+2, 1);
1001 zd->monitor = monitor;
1002 /* If monitor mode is set we don't actually turn it on here since it
1003 * is done during mac reset anyway (see zd1201_mac_enable).
1005 zd1201_mac_reset(zd);
1010 static int zd1201_get_mode(struct net_device *dev,
1011 struct iw_request_info *info, __u32 *mode, char *extra)
1013 struct zd1201 *zd = netdev_priv(dev);
1017 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype);
1021 case ZD1201_PORTTYPE_IBSS:
1022 *mode = IW_MODE_ADHOC;
1024 case ZD1201_PORTTYPE_BSS:
1025 *mode = IW_MODE_INFRA;
1027 case ZD1201_PORTTYPE_WDS:
1028 *mode = IW_MODE_REPEAT;
1030 case ZD1201_PORTTYPE_PSEUDOIBSS:
1031 *mode = 8;/* No Pseudo-IBSS... */
1033 case ZD1201_PORTTYPE_AP:
1034 *mode = IW_MODE_MASTER;
1037 dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n",
1039 *mode = IW_MODE_AUTO;
1042 *mode = IW_MODE_MONITOR;
1047 static int zd1201_get_range(struct net_device *dev,
1048 struct iw_request_info *info, struct iw_point *wrq, char *extra)
1050 struct iw_range *range = (struct iw_range *)extra;
1052 wrq->length = sizeof(struct iw_range);
1053 memset(range, 0, sizeof(struct iw_range));
1054 range->we_version_compiled = WIRELESS_EXT;
1055 range->we_version_source = WIRELESS_EXT;
1057 range->max_qual.qual = 128;
1058 range->max_qual.level = 128;
1059 range->max_qual.noise = 128;
1060 range->max_qual.updated = 7;
1062 range->encoding_size[0] = 5;
1063 range->encoding_size[1] = 13;
1064 range->num_encoding_sizes = 2;
1065 range->max_encoding_tokens = ZD1201_NUMKEYS;
1067 range->num_bitrates = 4;
1068 range->bitrate[0] = 1000000;
1069 range->bitrate[1] = 2000000;
1070 range->bitrate[2] = 5500000;
1071 range->bitrate[3] = 11000000;
1074 range->min_frag = ZD1201_FRAGMIN;
1075 range->max_rts = ZD1201_RTSMAX;
1076 range->min_frag = ZD1201_FRAGMAX;
1081 /* Little bit of magic here: we only get the quality if we poll
1082 * for it, and we never get an actual request to trigger such
1083 * a poll. Therefore we 'assume' that the user will soon ask for
1084 * the stats after asking the bssid.
1086 static int zd1201_get_wap(struct net_device *dev,
1087 struct iw_request_info *info, struct sockaddr *ap_addr, char *extra)
1089 struct zd1201 *zd = netdev_priv(dev);
1090 unsigned char buffer[6];
1092 if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) {
1093 /* Unfortunately the quality and noise reported is useless.
1094 they seem to be accumulators that increase until you
1095 read them, unless we poll on a fixed interval we can't
1098 /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/
1099 zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]);
1100 /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/
1101 zd->iwstats.qual.updated = 2;
1104 return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6);
1107 static int zd1201_set_scan(struct net_device *dev,
1108 struct iw_request_info *info, struct iw_point *srq, char *extra)
1110 /* We do everything in get_scan */
1114 static int zd1201_get_scan(struct net_device *dev,
1115 struct iw_request_info *info, struct iw_point *srq, char *extra)
1117 struct zd1201 *zd = netdev_priv(dev);
1118 int err, i, j, enabled_save;
1119 struct iw_event iwe;
1121 char *end_buf = extra + IW_SCAN_MAX_DATA;
1123 /* No scanning in AP mode */
1127 /* Scan doesn't seem to work if disabled */
1128 enabled_save = zd->mac_enabled;
1132 err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE,
1133 ZD1201_INQ_SCANRESULTS, 0, 0);
1137 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
1141 if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS)
1144 for(i=8; i<zd->rxlen; i+=62) {
1145 iwe.cmd = SIOCGIWAP;
1146 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1147 memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6);
1148 cev = iwe_stream_add_event(info, cev, end_buf,
1149 &iwe, IW_EV_ADDR_LEN);
1151 iwe.cmd = SIOCGIWESSID;
1152 iwe.u.data.length = zd->rxdata[i+16];
1153 iwe.u.data.flags = 1;
1154 cev = iwe_stream_add_point(info, cev, end_buf,
1155 &iwe, zd->rxdata+i+18);
1157 iwe.cmd = SIOCGIWMODE;
1158 if (zd->rxdata[i+14]&0x01)
1159 iwe.u.mode = IW_MODE_MASTER;
1161 iwe.u.mode = IW_MODE_ADHOC;
1162 cev = iwe_stream_add_event(info, cev, end_buf,
1163 &iwe, IW_EV_UINT_LEN);
1165 iwe.cmd = SIOCGIWFREQ;
1166 iwe.u.freq.m = zd->rxdata[i+0];
1168 cev = iwe_stream_add_event(info, cev, end_buf,
1169 &iwe, IW_EV_FREQ_LEN);
1171 iwe.cmd = SIOCGIWRATE;
1172 iwe.u.bitrate.fixed = 0;
1173 iwe.u.bitrate.disabled = 0;
1174 for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) {
1175 iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000;
1176 cev = iwe_stream_add_event(info, cev, end_buf,
1177 &iwe, IW_EV_PARAM_LEN);
1180 iwe.cmd = SIOCGIWENCODE;
1181 iwe.u.data.length = 0;
1182 if (zd->rxdata[i+14]&0x10)
1183 iwe.u.data.flags = IW_ENCODE_ENABLED;
1185 iwe.u.data.flags = IW_ENCODE_DISABLED;
1186 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL);
1189 iwe.u.qual.qual = zd->rxdata[i+4];
1190 iwe.u.qual.noise= zd->rxdata[i+2]/10-100;
1191 iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100;
1192 iwe.u.qual.updated = 7;
1193 cev = iwe_stream_add_event(info, cev, end_buf,
1194 &iwe, IW_EV_QUAL_LEN);
1200 srq->length = cev - extra;
1206 static int zd1201_set_essid(struct net_device *dev,
1207 struct iw_request_info *info, struct iw_point *data, char *essid)
1209 struct zd1201 *zd = netdev_priv(dev);
1211 if (data->length > IW_ESSID_MAX_SIZE)
1213 if (data->length < 1)
1215 zd->essidlen = data->length;
1216 memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1);
1217 memcpy(zd->essid, essid, data->length);
1218 return zd1201_join(zd, zd->essid, zd->essidlen);
1221 static int zd1201_get_essid(struct net_device *dev,
1222 struct iw_request_info *info, struct iw_point *data, char *essid)
1224 struct zd1201 *zd = netdev_priv(dev);
1226 memcpy(essid, zd->essid, zd->essidlen);
1228 data->length = zd->essidlen;
1233 static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info,
1234 struct iw_point *data, char *nick)
1236 strcpy(nick, "zd1201");
1238 data->length = strlen(nick);
1242 static int zd1201_set_rate(struct net_device *dev,
1243 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1245 struct zd1201 *zd = netdev_priv(dev);
1249 switch (rrq->value) {
1251 rate = ZD1201_RATEB1;
1254 rate = ZD1201_RATEB2;
1257 rate = ZD1201_RATEB5;
1261 rate = ZD1201_RATEB11;
1264 if (!rrq->fixed) { /* Also enable all lower bitrates */
1268 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate);
1272 return zd1201_mac_reset(zd);
1275 static int zd1201_get_rate(struct net_device *dev,
1276 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1278 struct zd1201 *zd = netdev_priv(dev);
1282 err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate);
1288 rrq->value = 1000000;
1291 rrq->value = 2000000;
1294 rrq->value = 5500000;
1297 rrq->value = 11000000;
1308 static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info,
1309 struct iw_param *rts, char *extra)
1311 struct zd1201 *zd = netdev_priv(dev);
1313 short val = rts->value;
1315 if (rts->disabled || !rts->fixed)
1316 val = ZD1201_RTSMAX;
1317 if (val > ZD1201_RTSMAX)
1322 err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val);
1325 return zd1201_mac_reset(zd);
1328 static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info,
1329 struct iw_param *rts, char *extra)
1331 struct zd1201 *zd = netdev_priv(dev);
1335 err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst);
1339 rts->disabled = (rts->value == ZD1201_RTSMAX);
1345 static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info,
1346 struct iw_param *frag, char *extra)
1348 struct zd1201 *zd = netdev_priv(dev);
1350 short val = frag->value;
1352 if (frag->disabled || !frag->fixed)
1353 val = ZD1201_FRAGMAX;
1354 if (val > ZD1201_FRAGMAX)
1356 if (val < ZD1201_FRAGMIN)
1360 err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val);
1363 return zd1201_mac_reset(zd);
1366 static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info,
1367 struct iw_param *frag, char *extra)
1369 struct zd1201 *zd = netdev_priv(dev);
1373 err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt);
1376 frag->value = fragt;
1377 frag->disabled = (frag->value == ZD1201_FRAGMAX);
1383 static int zd1201_set_retry(struct net_device *dev,
1384 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1389 static int zd1201_get_retry(struct net_device *dev,
1390 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1395 static int zd1201_set_encode(struct net_device *dev,
1396 struct iw_request_info *info, struct iw_point *erq, char *key)
1398 struct zd1201 *zd = netdev_priv(dev);
1402 if (erq->length > ZD1201_MAXKEYLEN)
1405 i = (erq->flags & IW_ENCODE_INDEX)-1;
1407 err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i);
1411 err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i);
1416 if (i < 0 || i >= ZD1201_NUMKEYS)
1419 rid = ZD1201_RID_CNFDEFAULTKEY0 + i;
1420 err = zd1201_setconfig(zd, rid, key, erq->length, 1);
1423 zd->encode_keylen[i] = erq->length;
1424 memcpy(zd->encode_keys[i], key, erq->length);
1427 if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) {
1429 zd->encode_enabled = 1;
1431 zd->encode_enabled = 0;
1432 if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) {
1434 zd->encode_restricted = 1;
1436 zd->encode_restricted = 0;
1437 err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i);
1441 if (zd->encode_enabled)
1442 i = ZD1201_CNFAUTHENTICATION_SHAREDKEY;
1444 i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
1445 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i);
1449 return zd1201_mac_reset(zd);
1452 static int zd1201_get_encode(struct net_device *dev,
1453 struct iw_request_info *info, struct iw_point *erq, char *key)
1455 struct zd1201 *zd = netdev_priv(dev);
1459 if (zd->encode_enabled)
1460 erq->flags = IW_ENCODE_ENABLED;
1462 erq->flags = IW_ENCODE_DISABLED;
1463 if (zd->encode_restricted)
1464 erq->flags |= IW_ENCODE_RESTRICTED;
1466 erq->flags |= IW_ENCODE_OPEN;
1468 i = (erq->flags & IW_ENCODE_INDEX) -1;
1470 err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i);
1474 if (i<0 || i>= ZD1201_NUMKEYS)
1479 erq->length = zd->encode_keylen[i];
1480 memcpy(key, zd->encode_keys[i], erq->length);
1485 static int zd1201_set_power(struct net_device *dev,
1486 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1488 struct zd1201 *zd = netdev_priv(dev);
1489 short enabled, duration, level;
1492 enabled = vwrq->disabled ? 0 : 1;
1494 if (vwrq->flags & IW_POWER_PERIOD) {
1495 duration = vwrq->value;
1496 err = zd1201_setconfig16(zd,
1497 ZD1201_RID_CNFMAXSLEEPDURATION, duration);
1502 if (vwrq->flags & IW_POWER_TIMEOUT) {
1503 err = zd1201_getconfig16(zd,
1504 ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1507 level = vwrq->value * 4 / duration;
1512 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS,
1521 return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled);
1524 static int zd1201_get_power(struct net_device *dev,
1525 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1527 struct zd1201 *zd = netdev_priv(dev);
1528 short enabled, level, duration;
1531 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled);
1534 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level);
1537 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1540 vwrq->disabled = enabled ? 0 : 1;
1541 if (vwrq->flags & IW_POWER_TYPE) {
1542 if (vwrq->flags & IW_POWER_PERIOD) {
1543 vwrq->value = duration;
1544 vwrq->flags = IW_POWER_PERIOD;
1546 vwrq->value = duration * level / 4;
1547 vwrq->flags = IW_POWER_TIMEOUT;
1550 if (vwrq->flags & IW_POWER_MODE) {
1551 if (enabled && level)
1552 vwrq->flags = IW_POWER_UNICAST_R;
1554 vwrq->flags = IW_POWER_ALL_R;
1561 static const iw_handler zd1201_iw_handler[] =
1563 (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */
1564 (iw_handler) zd1201_get_name, /* SIOCGIWNAME */
1565 (iw_handler) NULL, /* SIOCSIWNWID */
1566 (iw_handler) NULL, /* SIOCGIWNWID */
1567 (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */
1568 (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */
1569 (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */
1570 (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */
1571 (iw_handler) NULL, /* SIOCSIWSENS */
1572 (iw_handler) NULL, /* SIOCGIWSENS */
1573 (iw_handler) NULL, /* SIOCSIWRANGE */
1574 (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */
1575 (iw_handler) NULL, /* SIOCSIWPRIV */
1576 (iw_handler) NULL, /* SIOCGIWPRIV */
1577 (iw_handler) NULL, /* SIOCSIWSTATS */
1578 (iw_handler) NULL, /* SIOCGIWSTATS */
1579 (iw_handler) NULL, /* SIOCSIWSPY */
1580 (iw_handler) NULL, /* SIOCGIWSPY */
1581 (iw_handler) NULL, /* -- hole -- */
1582 (iw_handler) NULL, /* -- hole -- */
1583 (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */
1584 (iw_handler) zd1201_get_wap, /* SIOCGIWAP */
1585 (iw_handler) NULL, /* -- hole -- */
1586 (iw_handler) NULL, /* SIOCGIWAPLIST */
1587 (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */
1588 (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */
1589 (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */
1590 (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */
1591 (iw_handler) NULL, /* SIOCSIWNICKN */
1592 (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */
1593 (iw_handler) NULL, /* -- hole -- */
1594 (iw_handler) NULL, /* -- hole -- */
1595 (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */
1596 (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */
1597 (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */
1598 (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */
1599 (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */
1600 (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */
1601 (iw_handler) NULL, /* SIOCSIWTXPOW */
1602 (iw_handler) NULL, /* SIOCGIWTXPOW */
1603 (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */
1604 (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */
1605 (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */
1606 (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */
1607 (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */
1608 (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */
1611 static int zd1201_set_hostauth(struct net_device *dev,
1612 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1614 struct zd1201 *zd = netdev_priv(dev);
1619 return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value);
1622 static int zd1201_get_hostauth(struct net_device *dev,
1623 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1625 struct zd1201 *zd = netdev_priv(dev);
1632 err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth);
1635 rrq->value = hostauth;
1641 static int zd1201_auth_sta(struct net_device *dev,
1642 struct iw_request_info *info, struct sockaddr *sta, char *extra)
1644 struct zd1201 *zd = netdev_priv(dev);
1645 unsigned char buffer[10];
1650 memcpy(buffer, sta->sa_data, ETH_ALEN);
1651 *(short*)(buffer+6) = 0; /* 0==success, 1==failure */
1652 *(short*)(buffer+8) = 0;
1654 return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1);
1657 static int zd1201_set_maxassoc(struct net_device *dev,
1658 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1660 struct zd1201 *zd = netdev_priv(dev);
1666 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value);
1672 static int zd1201_get_maxassoc(struct net_device *dev,
1673 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1675 struct zd1201 *zd = netdev_priv(dev);
1682 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc);
1685 rrq->value = maxassoc;
1691 static const iw_handler zd1201_private_handler[] = {
1692 (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */
1693 (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */
1694 (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */
1695 (iw_handler) NULL, /* nothing to get */
1696 (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */
1697 (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */
1700 static const struct iw_priv_args zd1201_private_args[] = {
1701 { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1702 IW_PRIV_TYPE_NONE, "sethostauth" },
1703 { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE,
1704 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" },
1705 { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1,
1706 IW_PRIV_TYPE_NONE, "authstation" },
1707 { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1708 IW_PRIV_TYPE_NONE, "setmaxassoc" },
1709 { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE,
1710 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" },
1713 static const struct iw_handler_def zd1201_iw_handlers = {
1714 .num_standard = ARRAY_SIZE(zd1201_iw_handler),
1715 .num_private = ARRAY_SIZE(zd1201_private_handler),
1716 .num_private_args = ARRAY_SIZE(zd1201_private_args),
1717 .standard = (iw_handler *)zd1201_iw_handler,
1718 .private = (iw_handler *)zd1201_private_handler,
1719 .private_args = (struct iw_priv_args *) zd1201_private_args,
1720 .get_wireless_stats = zd1201_get_wireless_stats,
1723 static const struct net_device_ops zd1201_netdev_ops = {
1724 .ndo_open = zd1201_net_open,
1725 .ndo_stop = zd1201_net_stop,
1726 .ndo_start_xmit = zd1201_hard_start_xmit,
1727 .ndo_tx_timeout = zd1201_tx_timeout,
1728 .ndo_set_multicast_list = zd1201_set_multicast,
1729 .ndo_set_mac_address = zd1201_set_mac_address,
1730 .ndo_change_mtu = eth_change_mtu,
1731 .ndo_validate_addr = eth_validate_addr,
1734 static int zd1201_probe(struct usb_interface *interface,
1735 const struct usb_device_id *id)
1738 struct net_device *dev;
1739 struct usb_device *usb;
1742 char buf[IW_ESSID_MAX_SIZE+2];
1744 usb = interface_to_usbdev(interface);
1746 dev = alloc_etherdev(sizeof(*zd));
1749 zd = netdev_priv(dev);
1755 init_waitqueue_head(&zd->rxdataq);
1756 INIT_HLIST_HEAD(&zd->fraglist);
1758 err = zd1201_fw_upload(usb, zd->ap);
1760 dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err);
1767 zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
1768 zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
1769 if (!zd->rx_urb || !zd->tx_urb)
1773 err = zd1201_drvr_start(zd);
1777 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312);
1781 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL,
1782 ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11);
1786 dev->netdev_ops = &zd1201_netdev_ops;
1787 dev->wireless_handlers = &zd1201_iw_handlers;
1788 dev->watchdog_timeo = ZD1201_TX_TIMEOUT;
1789 strcpy(dev->name, "wlan%d");
1791 err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR,
1792 dev->dev_addr, dev->addr_len);
1796 /* Set wildcard essid to match zd->essid */
1797 *(__le16 *)buf = cpu_to_le16(0);
1798 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
1799 IW_ESSID_MAX_SIZE+2, 1);
1804 porttype = ZD1201_PORTTYPE_AP;
1806 porttype = ZD1201_PORTTYPE_BSS;
1807 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
1811 SET_NETDEV_DEV(dev, &usb->dev);
1813 err = register_netdev(dev);
1816 dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n",
1819 usb_set_intfdata(interface, zd);
1820 zd1201_enable(zd); /* zd1201 likes to startup enabled, */
1821 zd1201_disable(zd); /* interfering with all the wifis in range */
1825 /* Leave the device in reset state */
1826 zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
1828 usb_free_urb(zd->tx_urb);
1829 usb_free_urb(zd->rx_urb);
1834 static void zd1201_disconnect(struct usb_interface *interface)
1836 struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface);
1837 struct hlist_node *node, *node2;
1838 struct zd1201_frag *frag;
1842 usb_set_intfdata(interface, NULL);
1844 hlist_for_each_entry_safe(frag, node, node2, &zd->fraglist, fnode) {
1845 hlist_del_init(&frag->fnode);
1846 kfree_skb(frag->skb);
1851 usb_kill_urb(zd->tx_urb);
1852 usb_free_urb(zd->tx_urb);
1855 usb_kill_urb(zd->rx_urb);
1856 usb_free_urb(zd->rx_urb);
1860 unregister_netdev(zd->dev);
1861 free_netdev(zd->dev);
1867 static int zd1201_suspend(struct usb_interface *interface,
1868 pm_message_t message)
1870 struct zd1201 *zd = usb_get_intfdata(interface);
1872 netif_device_detach(zd->dev);
1874 zd->was_enabled = zd->mac_enabled;
1876 if (zd->was_enabled)
1877 return zd1201_disable(zd);
1882 static int zd1201_resume(struct usb_interface *interface)
1884 struct zd1201 *zd = usb_get_intfdata(interface);
1886 if (!zd || !zd->dev)
1889 netif_device_attach(zd->dev);
1891 if (zd->was_enabled)
1892 return zd1201_enable(zd);
1899 #define zd1201_suspend NULL
1900 #define zd1201_resume NULL
1904 static struct usb_driver zd1201_usb = {
1906 .probe = zd1201_probe,
1907 .disconnect = zd1201_disconnect,
1908 .id_table = zd1201_table,
1909 .suspend = zd1201_suspend,
1910 .resume = zd1201_resume,
1913 static int __init zd1201_init(void)
1915 return usb_register(&zd1201_usb);
1918 static void __exit zd1201_cleanup(void)
1920 usb_deregister(&zd1201_usb);
1923 module_init(zd1201_init);
1924 module_exit(zd1201_cleanup);