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1da177e4 LT |
1 | /* |
2 | * Driver for ZyDAS zd1201 based wireless USB devices. | |
3 | * | |
4 | * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) | |
5 | * | |
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. | |
9 | * | |
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. | |
13 | */ | |
14 | ||
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 <net/iw_handler.h> | |
21 | #include <linux/string.h> | |
22 | #include <linux/if_arp.h> | |
23 | #include <linux/firmware.h> | |
24 | #include <ieee802_11.h> | |
25 | #include "zd1201.h" | |
26 | ||
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 | {} | |
33 | }; | |
34 | ||
35 | static int ap = 0; /* Are we an AP or a normal station? */ | |
36 | ||
37 | #define ZD1201_VERSION "0.15" | |
38 | ||
39 | MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); | |
40 | MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters"); | |
41 | MODULE_VERSION(ZD1201_VERSION); | |
42 | MODULE_LICENSE("GPL"); | |
43 | module_param(ap, int, 0); | |
44 | MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded"); | |
45 | MODULE_DEVICE_TABLE(usb, zd1201_table); | |
46 | ||
47 | ||
2e0a6b8c | 48 | static int zd1201_fw_upload(struct usb_device *dev, int apfw) |
1da177e4 LT |
49 | { |
50 | const struct firmware *fw_entry; | |
51 | char* data; | |
52 | unsigned long len; | |
53 | int err; | |
54 | unsigned char ret; | |
55 | char *buf; | |
56 | char *fwfile; | |
57 | ||
58 | if (apfw) | |
59 | fwfile = "zd1201-ap.fw"; | |
60 | else | |
61 | fwfile = "zd1201.fw"; | |
62 | ||
63 | err = request_firmware(&fw_entry, fwfile, &dev->dev); | |
64 | if (err) { | |
65 | dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); | |
66 | dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); | |
67 | dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info\n"); | |
68 | return err; | |
69 | } | |
70 | ||
71 | data = fw_entry->data; | |
72 | len = fw_entry->size; | |
73 | ||
74 | buf = kmalloc(1024, GFP_ATOMIC); | |
75 | if (!buf) | |
76 | goto exit; | |
77 | ||
78 | while (len > 0) { | |
79 | int translen = (len > 1024) ? 1024 : len; | |
80 | memcpy(buf, data, translen); | |
81 | ||
82 | err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, | |
83 | USB_DIR_OUT | 0x40, 0, 0, buf, translen, | |
84 | ZD1201_FW_TIMEOUT); | |
85 | if (err < 0) | |
86 | goto exit; | |
87 | ||
88 | len -= translen; | |
89 | data += translen; | |
90 | } | |
91 | ||
92 | err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2, | |
93 | USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); | |
94 | if (err < 0) | |
95 | goto exit; | |
96 | ||
97 | err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, | |
98 | USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); | |
99 | if (err < 0) | |
100 | goto exit; | |
101 | ||
102 | if (ret & 0x80) { | |
103 | err = -EIO; | |
104 | goto exit; | |
105 | } | |
106 | ||
107 | err = 0; | |
108 | exit: | |
1bc3c9e1 | 109 | kfree(buf); |
1da177e4 LT |
110 | release_firmware(fw_entry); |
111 | return err; | |
112 | } | |
113 | ||
2e0a6b8c | 114 | static void zd1201_usbfree(struct urb *urb, struct pt_regs *regs) |
1da177e4 LT |
115 | { |
116 | struct zd1201 *zd = urb->context; | |
117 | ||
118 | switch(urb->status) { | |
119 | case -EILSEQ: | |
120 | case -ENODEV: | |
121 | case -ETIMEDOUT: | |
122 | case -ENOENT: | |
123 | case -EPIPE: | |
124 | case -EOVERFLOW: | |
125 | case -ESHUTDOWN: | |
126 | dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", | |
127 | zd->dev->name, urb->status); | |
128 | } | |
129 | ||
130 | kfree(urb->transfer_buffer); | |
131 | usb_free_urb(urb); | |
132 | return; | |
133 | } | |
134 | ||
135 | /* cmdreq message: | |
136 | u32 type | |
137 | u16 cmd | |
138 | u16 parm0 | |
139 | u16 parm1 | |
140 | u16 parm2 | |
141 | u8 pad[4] | |
142 | ||
143 | total: 4 + 2 + 2 + 2 + 2 + 4 = 16 | |
144 | */ | |
2e0a6b8c AB |
145 | static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, |
146 | int parm1, int parm2) | |
1da177e4 LT |
147 | { |
148 | unsigned char *command; | |
149 | int ret; | |
150 | struct urb *urb; | |
151 | ||
152 | command = kmalloc(16, GFP_ATOMIC); | |
153 | if (!command) | |
154 | return -ENOMEM; | |
155 | ||
156 | *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); | |
157 | *((__le16*)&command[4]) = cpu_to_le16(cmd); | |
158 | *((__le16*)&command[6]) = cpu_to_le16(parm0); | |
159 | *((__le16*)&command[8]) = cpu_to_le16(parm1); | |
160 | *((__le16*)&command[10])= cpu_to_le16(parm2); | |
161 | ||
162 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
163 | if (!urb) { | |
164 | kfree(command); | |
165 | return -ENOMEM; | |
166 | } | |
167 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), | |
168 | command, 16, zd1201_usbfree, zd); | |
169 | ret = usb_submit_urb(urb, GFP_ATOMIC); | |
170 | if (ret) { | |
171 | kfree(command); | |
172 | usb_free_urb(urb); | |
173 | } | |
174 | ||
175 | return ret; | |
176 | } | |
177 | ||
178 | /* Callback after sending out a packet */ | |
2e0a6b8c | 179 | static void zd1201_usbtx(struct urb *urb, struct pt_regs *regs) |
1da177e4 LT |
180 | { |
181 | struct zd1201 *zd = urb->context; | |
182 | netif_wake_queue(zd->dev); | |
183 | return; | |
184 | } | |
185 | ||
093cf723 | 186 | /* Incoming data */ |
2e0a6b8c | 187 | static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) |
1da177e4 LT |
188 | { |
189 | struct zd1201 *zd = urb->context; | |
190 | int free = 0; | |
191 | unsigned char *data = urb->transfer_buffer; | |
192 | struct sk_buff *skb; | |
193 | unsigned char type; | |
194 | ||
195 | if (!zd) { | |
196 | free = 1; | |
197 | goto exit; | |
198 | } | |
199 | ||
200 | switch(urb->status) { | |
201 | case -EILSEQ: | |
202 | case -ENODEV: | |
203 | case -ETIMEDOUT: | |
204 | case -ENOENT: | |
205 | case -EPIPE: | |
206 | case -EOVERFLOW: | |
207 | case -ESHUTDOWN: | |
208 | dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", | |
209 | zd->dev->name, urb->status); | |
210 | free = 1; | |
211 | goto exit; | |
212 | } | |
213 | ||
214 | if (urb->status != 0 || urb->actual_length == 0) | |
215 | goto resubmit; | |
216 | ||
217 | type = data[0]; | |
218 | if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) { | |
219 | memcpy(zd->rxdata, data, urb->actual_length); | |
220 | zd->rxlen = urb->actual_length; | |
221 | zd->rxdatas = 1; | |
222 | wake_up(&zd->rxdataq); | |
223 | } | |
224 | /* Info frame */ | |
225 | if (type == ZD1201_PACKET_INQUIRE) { | |
226 | int i = 0; | |
227 | unsigned short infotype, framelen, copylen; | |
228 | framelen = le16_to_cpu(*(__le16*)&data[4]); | |
229 | infotype = le16_to_cpu(*(__le16*)&data[6]); | |
230 | ||
231 | if (infotype == ZD1201_INF_LINKSTATUS) { | |
232 | short linkstatus; | |
233 | ||
234 | linkstatus = le16_to_cpu(*(__le16*)&data[8]); | |
235 | switch(linkstatus) { | |
236 | case 1: | |
237 | netif_carrier_on(zd->dev); | |
238 | break; | |
239 | case 2: | |
240 | netif_carrier_off(zd->dev); | |
241 | break; | |
242 | case 3: | |
243 | netif_carrier_off(zd->dev); | |
244 | break; | |
245 | case 4: | |
246 | netif_carrier_on(zd->dev); | |
247 | break; | |
248 | default: | |
249 | netif_carrier_off(zd->dev); | |
250 | } | |
251 | goto resubmit; | |
252 | } | |
253 | if (infotype == ZD1201_INF_ASSOCSTATUS) { | |
254 | short status = le16_to_cpu(*(__le16*)(data+8)); | |
255 | int event; | |
256 | union iwreq_data wrqu; | |
257 | ||
258 | switch (status) { | |
259 | case ZD1201_ASSOCSTATUS_STAASSOC: | |
260 | case ZD1201_ASSOCSTATUS_REASSOC: | |
261 | event = IWEVREGISTERED; | |
262 | break; | |
263 | case ZD1201_ASSOCSTATUS_DISASSOC: | |
264 | case ZD1201_ASSOCSTATUS_ASSOCFAIL: | |
265 | case ZD1201_ASSOCSTATUS_AUTHFAIL: | |
266 | default: | |
267 | event = IWEVEXPIRED; | |
268 | } | |
269 | memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); | |
270 | wrqu.addr.sa_family = ARPHRD_ETHER; | |
271 | ||
272 | /* Send event to user space */ | |
273 | wireless_send_event(zd->dev, event, &wrqu, NULL); | |
274 | ||
275 | goto resubmit; | |
276 | } | |
277 | if (infotype == ZD1201_INF_AUTHREQ) { | |
278 | union iwreq_data wrqu; | |
279 | ||
280 | memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN); | |
281 | wrqu.addr.sa_family = ARPHRD_ETHER; | |
282 | /* There isn't a event that trully fits this request. | |
283 | We assume that userspace will be smart enough to | |
284 | see a new station being expired and sends back a | |
285 | authstation ioctl to authorize it. */ | |
286 | wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL); | |
287 | goto resubmit; | |
288 | } | |
289 | /* Other infotypes are handled outside this handler */ | |
290 | zd->rxlen = 0; | |
291 | while (i < urb->actual_length) { | |
292 | copylen = le16_to_cpu(*(__le16*)&data[i+2]); | |
293 | /* Sanity check, sometimes we get junk */ | |
294 | if (copylen+zd->rxlen > sizeof(zd->rxdata)) | |
295 | break; | |
296 | memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); | |
297 | zd->rxlen += copylen; | |
298 | i += 64; | |
299 | } | |
300 | if (i >= urb->actual_length) { | |
301 | zd->rxdatas = 1; | |
302 | wake_up(&zd->rxdataq); | |
303 | } | |
304 | goto resubmit; | |
305 | } | |
306 | /* Actual data */ | |
307 | if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { | |
308 | int datalen = urb->actual_length-1; | |
309 | unsigned short len, fc, seq; | |
310 | struct hlist_node *node; | |
311 | ||
312 | len = ntohs(*(__be16 *)&data[datalen-2]); | |
313 | if (len>datalen) | |
314 | len=datalen; | |
315 | fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); | |
316 | seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); | |
317 | ||
318 | if(zd->monitor) { | |
319 | if (datalen < 24) | |
320 | goto resubmit; | |
321 | if (!(skb = dev_alloc_skb(datalen+24))) | |
322 | goto resubmit; | |
323 | ||
324 | memcpy(skb_put(skb, 2), &data[datalen-16], 2); | |
325 | memcpy(skb_put(skb, 2), &data[datalen-2], 2); | |
326 | memcpy(skb_put(skb, 6), &data[datalen-14], 6); | |
327 | memcpy(skb_put(skb, 6), &data[datalen-22], 6); | |
328 | memcpy(skb_put(skb, 6), &data[datalen-8], 6); | |
329 | memcpy(skb_put(skb, 2), &data[datalen-24], 2); | |
330 | memcpy(skb_put(skb, len), data, len); | |
331 | skb->dev = zd->dev; | |
332 | skb->dev->last_rx = jiffies; | |
333 | skb->protocol = eth_type_trans(skb, zd->dev); | |
334 | zd->stats.rx_packets++; | |
335 | zd->stats.rx_bytes += skb->len; | |
336 | netif_rx(skb); | |
337 | goto resubmit; | |
338 | } | |
339 | ||
340 | if ((seq & IEEE802_11_SCTL_FRAG) || | |
341 | (fc & IEEE802_11_FCTL_MOREFRAGS)) { | |
342 | struct zd1201_frag *frag = NULL; | |
343 | char *ptr; | |
344 | ||
345 | if (datalen<14) | |
346 | goto resubmit; | |
347 | if ((seq & IEEE802_11_SCTL_FRAG) == 0) { | |
348 | frag = kmalloc(sizeof(struct zd1201_frag*), | |
349 | GFP_ATOMIC); | |
350 | if (!frag) | |
351 | goto resubmit; | |
352 | skb = dev_alloc_skb(IEEE802_11_DATA_LEN +14+2); | |
353 | if (!skb) { | |
354 | kfree(frag); | |
355 | goto resubmit; | |
356 | } | |
357 | frag->skb = skb; | |
358 | frag->seq = seq & IEEE802_11_SCTL_SEQ; | |
359 | skb_reserve(skb, 2); | |
360 | memcpy(skb_put(skb, 12), &data[datalen-14], 12); | |
361 | memcpy(skb_put(skb, 2), &data[6], 2); | |
362 | memcpy(skb_put(skb, len), data+8, len); | |
363 | hlist_add_head(&frag->fnode, &zd->fraglist); | |
364 | goto resubmit; | |
365 | } | |
366 | hlist_for_each_entry(frag, node, &zd->fraglist, fnode) | |
367 | if(frag->seq == (seq&IEEE802_11_SCTL_SEQ)) | |
368 | break; | |
369 | if (!frag) | |
370 | goto resubmit; | |
371 | skb = frag->skb; | |
372 | ptr = skb_put(skb, len); | |
373 | if (ptr) | |
374 | memcpy(ptr, data+8, len); | |
375 | if (fc & IEEE802_11_FCTL_MOREFRAGS) | |
376 | goto resubmit; | |
377 | hlist_del_init(&frag->fnode); | |
378 | kfree(frag); | |
379 | /* Fallthrough */ | |
380 | } else { | |
381 | if (datalen<14) | |
382 | goto resubmit; | |
383 | skb = dev_alloc_skb(len + 14 + 2); | |
384 | if (!skb) | |
385 | goto resubmit; | |
386 | skb_reserve(skb, 2); | |
387 | memcpy(skb_put(skb, 12), &data[datalen-14], 12); | |
388 | memcpy(skb_put(skb, 2), &data[6], 2); | |
389 | memcpy(skb_put(skb, len), data+8, len); | |
390 | } | |
391 | skb->dev = zd->dev; | |
392 | skb->dev->last_rx = jiffies; | |
393 | skb->protocol = eth_type_trans(skb, zd->dev); | |
394 | zd->stats.rx_packets++; | |
395 | zd->stats.rx_bytes += skb->len; | |
396 | netif_rx(skb); | |
397 | } | |
398 | resubmit: | |
399 | memset(data, 0, ZD1201_RXSIZE); | |
400 | ||
401 | urb->status = 0; | |
402 | urb->dev = zd->usb; | |
403 | if(usb_submit_urb(urb, GFP_ATOMIC)) | |
404 | free = 1; | |
405 | ||
406 | exit: | |
407 | if (free) { | |
408 | zd->rxlen = 0; | |
409 | zd->rxdatas = 1; | |
410 | wake_up(&zd->rxdataq); | |
411 | kfree(urb->transfer_buffer); | |
412 | } | |
413 | return; | |
414 | } | |
415 | ||
416 | static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, | |
417 | unsigned int riddatalen) | |
418 | { | |
419 | int err; | |
420 | int i = 0; | |
421 | int code; | |
422 | int rid_fid; | |
423 | int length; | |
424 | unsigned char *pdata; | |
425 | ||
426 | zd->rxdatas = 0; | |
427 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); | |
428 | if (err) | |
429 | return err; | |
430 | ||
431 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
432 | if (!zd->rxlen) | |
433 | return -EIO; | |
434 | ||
435 | code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); | |
436 | rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); | |
437 | length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); | |
438 | if (length > zd->rxlen) | |
439 | length = zd->rxlen-6; | |
440 | ||
441 | /* If access bit is not on, then error */ | |
442 | if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) | |
443 | return -EINVAL; | |
444 | ||
445 | /* Not enough buffer for allocating data */ | |
446 | if (riddatalen != (length - 4)) { | |
447 | dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n", | |
448 | riddatalen, zd->rxlen, length, rid, rid_fid); | |
449 | return -ENODATA; | |
450 | } | |
451 | ||
452 | zd->rxdatas = 0; | |
453 | /* Issue SetRxRid commnd */ | |
454 | err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length); | |
455 | if (err) | |
456 | return err; | |
457 | ||
458 | /* Receive RID record from resource packets */ | |
459 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
460 | if (!zd->rxlen) | |
461 | return -EIO; | |
462 | ||
463 | if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) { | |
464 | dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n", | |
465 | zd->rxdata[zd->rxlen-1]); | |
466 | return -EINVAL; | |
467 | } | |
468 | ||
469 | /* Set the data pointer and received data length */ | |
470 | pdata = zd->rxdata; | |
471 | length = zd->rxlen; | |
472 | ||
473 | do { | |
474 | int actual_length; | |
475 | ||
476 | actual_length = (length > 64) ? 64 : length; | |
477 | ||
478 | if(pdata[0] != 0x3) { | |
479 | dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", | |
480 | pdata[0]); | |
481 | return -EINVAL; | |
482 | } | |
483 | ||
484 | if (actual_length != 64) { | |
485 | /* Trim the last packet type byte */ | |
486 | actual_length--; | |
487 | } | |
488 | ||
489 | /* Skip the 4 bytes header (RID length and RID) */ | |
490 | if(i == 0) { | |
491 | pdata += 8; | |
492 | actual_length -= 8; | |
493 | } | |
494 | else { | |
495 | pdata += 4; | |
496 | actual_length -= 4; | |
497 | } | |
498 | ||
499 | memcpy(riddata, pdata, actual_length); | |
500 | riddata += actual_length; | |
501 | pdata += actual_length; | |
502 | length -= 64; | |
503 | i++; | |
504 | } while (length > 0); | |
505 | ||
506 | return 0; | |
507 | } | |
508 | ||
509 | /* | |
510 | * resreq: | |
511 | * byte type | |
512 | * byte sequence | |
513 | * u16 reserved | |
514 | * byte data[12] | |
515 | * total: 16 | |
516 | */ | |
517 | static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait) | |
518 | { | |
519 | int err; | |
520 | unsigned char *request; | |
521 | int reqlen; | |
522 | char seq=0; | |
523 | struct urb *urb; | |
524 | unsigned int gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC; | |
525 | ||
526 | len += 4; /* first 4 are for header */ | |
527 | ||
528 | zd->rxdatas = 0; | |
529 | zd->rxlen = 0; | |
530 | for (seq=0; len > 0; seq++) { | |
531 | request = kmalloc(16, gfp_mask); | |
532 | if (!request) | |
533 | return -ENOMEM; | |
534 | urb = usb_alloc_urb(0, gfp_mask); | |
535 | if (!urb) { | |
536 | kfree(request); | |
537 | return -ENOMEM; | |
538 | } | |
539 | memset(request, 0, 16); | |
540 | reqlen = len>12 ? 12 : len; | |
541 | request[0] = ZD1201_USB_RESREQ; | |
542 | request[1] = seq; | |
543 | request[2] = 0; | |
544 | request[3] = 0; | |
545 | if (request[1] == 0) { | |
546 | /* add header */ | |
547 | *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2); | |
548 | *(__le16*)&request[6] = cpu_to_le16(rid); | |
549 | memcpy(request+8, buf, reqlen-4); | |
550 | buf += reqlen-4; | |
551 | } else { | |
552 | memcpy(request+4, buf, reqlen); | |
553 | buf += reqlen; | |
554 | } | |
555 | ||
556 | len -= reqlen; | |
557 | ||
558 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, | |
559 | zd->endp_out2), request, 16, zd1201_usbfree, zd); | |
560 | err = usb_submit_urb(urb, gfp_mask); | |
561 | if (err) | |
562 | goto err; | |
563 | } | |
564 | ||
565 | request = kmalloc(16, gfp_mask); | |
566 | if (!request) | |
567 | return -ENOMEM; | |
568 | urb = usb_alloc_urb(0, gfp_mask); | |
569 | if (!urb) { | |
570 | kfree(request); | |
571 | return -ENOMEM; | |
572 | } | |
573 | *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ); | |
574 | *((__le16*)&request[4]) = | |
575 | cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT); | |
576 | *((__le16*)&request[6]) = cpu_to_le16(rid); | |
577 | *((__le16*)&request[8]) = cpu_to_le16(0); | |
578 | *((__le16*)&request[10]) = cpu_to_le16(0); | |
579 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), | |
580 | request, 16, zd1201_usbfree, zd); | |
581 | err = usb_submit_urb(urb, gfp_mask); | |
582 | if (err) | |
583 | goto err; | |
584 | ||
585 | if (wait) { | |
586 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
587 | if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) { | |
588 | dev_dbg(&zd->usb->dev, "wrong or no RID received\n"); | |
589 | } | |
590 | } | |
591 | ||
592 | return 0; | |
593 | err: | |
594 | kfree(request); | |
595 | usb_free_urb(urb); | |
596 | return err; | |
597 | } | |
598 | ||
599 | static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val) | |
600 | { | |
601 | int err; | |
602 | __le16 zdval; | |
603 | ||
604 | err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16)); | |
605 | if (err) | |
606 | return err; | |
607 | *val = le16_to_cpu(zdval); | |
608 | return 0; | |
609 | } | |
610 | ||
611 | static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val) | |
612 | { | |
613 | __le16 zdval = cpu_to_le16(val); | |
614 | return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1)); | |
615 | } | |
616 | ||
2e0a6b8c | 617 | static int zd1201_drvr_start(struct zd1201 *zd) |
1da177e4 LT |
618 | { |
619 | int err, i; | |
620 | short max; | |
621 | __le16 zdmax; | |
622 | unsigned char *buffer; | |
623 | ||
624 | buffer = kmalloc(ZD1201_RXSIZE, GFP_KERNEL); | |
625 | if (!buffer) | |
626 | return -ENOMEM; | |
627 | memset(buffer, 0, ZD1201_RXSIZE); | |
628 | ||
629 | usb_fill_bulk_urb(zd->rx_urb, zd->usb, | |
630 | usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE, | |
631 | zd1201_usbrx, zd); | |
632 | ||
633 | err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); | |
634 | if (err) | |
635 | goto err_buffer; | |
636 | ||
637 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); | |
638 | if (err) | |
639 | goto err_urb; | |
640 | ||
641 | err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax, | |
642 | sizeof(__le16)); | |
643 | if (err) | |
644 | goto err_urb; | |
645 | ||
646 | max = le16_to_cpu(zdmax); | |
647 | for (i=0; i<max; i++) { | |
648 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0); | |
649 | if (err) | |
650 | goto err_urb; | |
651 | } | |
652 | ||
653 | return 0; | |
654 | ||
655 | err_urb: | |
656 | usb_kill_urb(zd->rx_urb); | |
657 | return err; | |
658 | err_buffer: | |
659 | kfree(buffer); | |
660 | return err; | |
661 | } | |
662 | ||
663 | /* Magic alert: The firmware doesn't seem to like the MAC state being | |
664 | * toggled in promisc (aka monitor) mode. | |
665 | * (It works a number of times, but will halt eventually) | |
666 | * So we turn it of before disabling and on after enabling if needed. | |
667 | */ | |
668 | static int zd1201_enable(struct zd1201 *zd) | |
669 | { | |
670 | int err; | |
671 | ||
672 | if (zd->mac_enabled) | |
673 | return 0; | |
674 | ||
675 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0); | |
676 | if (!err) | |
677 | zd->mac_enabled = 1; | |
678 | ||
679 | if (zd->monitor) | |
680 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1); | |
681 | ||
682 | return err; | |
683 | } | |
684 | ||
685 | static int zd1201_disable(struct zd1201 *zd) | |
686 | { | |
687 | int err; | |
688 | ||
689 | if (!zd->mac_enabled) | |
690 | return 0; | |
691 | if (zd->monitor) { | |
692 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); | |
693 | if (err) | |
694 | return err; | |
695 | } | |
696 | ||
697 | err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0); | |
698 | if (!err) | |
699 | zd->mac_enabled = 0; | |
700 | return err; | |
701 | } | |
702 | ||
703 | static int zd1201_mac_reset(struct zd1201 *zd) | |
704 | { | |
705 | if (!zd->mac_enabled) | |
706 | return 0; | |
707 | zd1201_disable(zd); | |
708 | return zd1201_enable(zd); | |
709 | } | |
710 | ||
711 | static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen) | |
712 | { | |
713 | int err, val; | |
714 | char buf[IW_ESSID_MAX_SIZE+2]; | |
715 | ||
716 | err = zd1201_disable(zd); | |
717 | if (err) | |
718 | return err; | |
719 | ||
720 | val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; | |
721 | val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY; | |
722 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val); | |
723 | if (err) | |
724 | return err; | |
725 | ||
726 | *(__le16 *)buf = cpu_to_le16(essidlen); | |
727 | memcpy(buf+2, essid, essidlen); | |
728 | if (!zd->ap) { /* Normal station */ | |
729 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, | |
730 | IW_ESSID_MAX_SIZE+2, 1); | |
731 | if (err) | |
732 | return err; | |
733 | } else { /* AP */ | |
734 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf, | |
735 | IW_ESSID_MAX_SIZE+2, 1); | |
736 | if (err) | |
737 | return err; | |
738 | } | |
739 | ||
740 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
741 | zd->dev->dev_addr, zd->dev->addr_len, 1); | |
742 | if (err) | |
743 | return err; | |
744 | ||
745 | err = zd1201_enable(zd); | |
746 | if (err) | |
747 | return err; | |
748 | ||
749 | msleep(100); | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static int zd1201_net_open(struct net_device *dev) | |
754 | { | |
755 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
756 | ||
757 | /* Start MAC with wildcard if no essid set */ | |
758 | if (!zd->mac_enabled) | |
759 | zd1201_join(zd, zd->essid, zd->essidlen); | |
760 | netif_start_queue(dev); | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
765 | static int zd1201_net_stop(struct net_device *dev) | |
766 | { | |
767 | netif_stop_queue(dev); | |
768 | ||
769 | return 0; | |
770 | } | |
771 | ||
772 | /* | |
773 | RFC 1042 encapsulates Ethernet frames in 802.11 frames | |
774 | by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 | |
093cf723 | 775 | (0x00, 0x00, 0x00). Zd requires an additional padding, copy |
1da177e4 LT |
776 | of ethernet addresses, length of the standard RFC 1042 packet |
777 | and a command byte (which is nul for tx). | |
778 | ||
779 | tx frame (from Wlan NG): | |
780 | RFC 1042: | |
781 | llc 0xAA 0xAA 0x03 (802.2 LLC) | |
782 | snap 0x00 0x00 0x00 (Ethernet encapsulated) | |
783 | type 2 bytes, Ethernet type field | |
784 | payload (minus eth header) | |
785 | Zydas specific: | |
786 | padding 1B if (skb->len+8+1)%64==0 | |
787 | Eth MAC addr 12 bytes, Ethernet MAC addresses | |
788 | length 2 bytes, RFC 1042 packet length | |
789 | (llc+snap+type+payload) | |
790 | zd 1 null byte, zd1201 packet type | |
791 | */ | |
792 | static int zd1201_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
793 | { | |
794 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
795 | unsigned char *txbuf = zd->txdata; | |
796 | int txbuflen, pad = 0, err; | |
797 | struct urb *urb = zd->tx_urb; | |
798 | ||
799 | if (!zd->mac_enabled || zd->monitor) { | |
800 | zd->stats.tx_dropped++; | |
801 | kfree_skb(skb); | |
802 | return 0; | |
803 | } | |
804 | netif_stop_queue(dev); | |
805 | ||
806 | txbuflen = skb->len + 8 + 1; | |
807 | if (txbuflen%64 == 0) { | |
808 | pad = 1; | |
809 | txbuflen++; | |
810 | } | |
811 | txbuf[0] = 0xAA; | |
812 | txbuf[1] = 0xAA; | |
813 | txbuf[2] = 0x03; | |
814 | txbuf[3] = 0x00; /* rfc1042 */ | |
815 | txbuf[4] = 0x00; | |
816 | txbuf[5] = 0x00; | |
817 | ||
818 | memcpy(txbuf+6, skb->data+12, skb->len-12); | |
819 | if (pad) | |
820 | txbuf[skb->len-12+6]=0; | |
821 | memcpy(txbuf+skb->len-12+6+pad, skb->data, 12); | |
822 | *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); | |
823 | txbuf[txbuflen-1] = 0; | |
824 | ||
825 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), | |
826 | txbuf, txbuflen, zd1201_usbtx, zd); | |
827 | ||
828 | err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); | |
829 | if (err) { | |
830 | zd->stats.tx_errors++; | |
831 | netif_start_queue(dev); | |
832 | return err; | |
833 | } | |
834 | zd->stats.tx_packets++; | |
835 | zd->stats.tx_bytes += skb->len; | |
836 | dev->trans_start = jiffies; | |
837 | kfree_skb(skb); | |
838 | ||
839 | return 0; | |
840 | } | |
841 | ||
842 | static void zd1201_tx_timeout(struct net_device *dev) | |
843 | { | |
844 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
845 | ||
846 | if (!zd) | |
847 | return; | |
848 | dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", | |
849 | dev->name); | |
850 | zd->tx_urb->transfer_flags |= URB_ASYNC_UNLINK; | |
851 | usb_unlink_urb(zd->tx_urb); | |
852 | zd->stats.tx_errors++; | |
853 | /* Restart the timeout to quiet the watchdog: */ | |
854 | dev->trans_start = jiffies; | |
855 | } | |
856 | ||
857 | static int zd1201_set_mac_address(struct net_device *dev, void *p) | |
858 | { | |
859 | struct sockaddr *addr = p; | |
860 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
861 | int err; | |
862 | ||
863 | if (!zd) | |
864 | return -ENODEV; | |
865 | ||
866 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
867 | addr->sa_data, dev->addr_len, 1); | |
868 | if (err) | |
869 | return err; | |
870 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
871 | ||
872 | return zd1201_mac_reset(zd); | |
873 | } | |
874 | ||
875 | static struct net_device_stats *zd1201_get_stats(struct net_device *dev) | |
876 | { | |
877 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
878 | ||
879 | return &zd->stats; | |
880 | } | |
881 | ||
882 | static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) | |
883 | { | |
884 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
885 | ||
886 | return &zd->iwstats; | |
887 | } | |
888 | ||
889 | static void zd1201_set_multicast(struct net_device *dev) | |
890 | { | |
891 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
892 | struct dev_mc_list *mc = dev->mc_list; | |
893 | unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; | |
894 | int i; | |
895 | ||
896 | if (dev->mc_count > ZD1201_MAXMULTI) | |
897 | return; | |
898 | ||
899 | for (i=0; i<dev->mc_count; i++) { | |
900 | memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN); | |
901 | mc = mc->next; | |
902 | } | |
903 | zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, | |
904 | dev->mc_count*ETH_ALEN, 0); | |
905 | ||
906 | } | |
907 | ||
908 | static int zd1201_config_commit(struct net_device *dev, | |
909 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
910 | { | |
911 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
912 | ||
913 | return zd1201_mac_reset(zd); | |
914 | } | |
915 | ||
916 | static int zd1201_get_name(struct net_device *dev, | |
917 | struct iw_request_info *info, char *name, char *extra) | |
918 | { | |
919 | strcpy(name, "IEEE 802.11b"); | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
924 | static int zd1201_set_freq(struct net_device *dev, | |
925 | struct iw_request_info *info, struct iw_freq *freq, char *extra) | |
926 | { | |
927 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
928 | short channel = 0; | |
929 | int err; | |
930 | ||
931 | if (freq->e == 0) | |
932 | channel = freq->m; | |
933 | else { | |
934 | if (freq->m >= 2482) | |
935 | channel = 14; | |
936 | if (freq->m >= 2407) | |
937 | channel = (freq->m-2407)/5; | |
938 | } | |
939 | ||
940 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); | |
941 | if (err) | |
942 | return err; | |
943 | ||
944 | zd1201_mac_reset(zd); | |
945 | ||
946 | return 0; | |
947 | } | |
948 | ||
949 | static int zd1201_get_freq(struct net_device *dev, | |
950 | struct iw_request_info *info, struct iw_freq *freq, char *extra) | |
951 | { | |
952 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
953 | short channel; | |
954 | int err; | |
955 | ||
956 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); | |
957 | if (err) | |
958 | return err; | |
959 | freq->e = 0; | |
960 | freq->m = channel; | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
965 | static int zd1201_set_mode(struct net_device *dev, | |
966 | struct iw_request_info *info, __u32 *mode, char *extra) | |
967 | { | |
968 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
969 | short porttype, monitor = 0; | |
970 | unsigned char buffer[IW_ESSID_MAX_SIZE+2]; | |
971 | int err; | |
972 | ||
973 | if (zd->ap) { | |
974 | if (*mode != IW_MODE_MASTER) | |
975 | return -EINVAL; | |
976 | return 0; | |
977 | } | |
978 | ||
979 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); | |
980 | if (err) | |
981 | return err; | |
982 | zd->dev->type = ARPHRD_ETHER; | |
983 | switch(*mode) { | |
984 | case IW_MODE_MONITOR: | |
985 | monitor = 1; | |
986 | zd->dev->type = ARPHRD_IEEE80211; | |
987 | /* Make sure we are no longer associated with by | |
988 | setting an 'impossible' essid. | |
989 | (otherwise we mess up firmware) | |
990 | */ | |
991 | zd1201_join(zd, "\0-*#\0", 5); | |
992 | /* Put port in pIBSS */ | |
993 | case 8: /* No pseudo-IBSS in wireless extensions (yet) */ | |
994 | porttype = ZD1201_PORTTYPE_PSEUDOIBSS; | |
995 | break; | |
996 | case IW_MODE_ADHOC: | |
997 | porttype = ZD1201_PORTTYPE_IBSS; | |
998 | break; | |
999 | case IW_MODE_INFRA: | |
1000 | porttype = ZD1201_PORTTYPE_BSS; | |
1001 | break; | |
1002 | default: | |
1003 | return -EINVAL; | |
1004 | } | |
1005 | ||
1006 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); | |
1007 | if (err) | |
1008 | return err; | |
1009 | if (zd->monitor && !monitor) { | |
1010 | zd1201_disable(zd); | |
1011 | *(__le16 *)buffer = cpu_to_le16(zd->essidlen); | |
1012 | memcpy(buffer+2, zd->essid, zd->essidlen); | |
1013 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, | |
1014 | buffer, IW_ESSID_MAX_SIZE+2, 1); | |
1015 | if (err) | |
1016 | return err; | |
1017 | } | |
1018 | zd->monitor=monitor; | |
1019 | /* If monitor mode is set we don't actually turn it on here since it | |
1020 | * is done during mac reset anyway (see zd1201_mac_enable). | |
1021 | */ | |
1022 | ||
1023 | zd1201_mac_reset(zd); | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static int zd1201_get_mode(struct net_device *dev, | |
1029 | struct iw_request_info *info, __u32 *mode, char *extra) | |
1030 | { | |
1031 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1032 | short porttype; | |
1033 | int err; | |
1034 | ||
1035 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); | |
1036 | if (err) | |
1037 | return err; | |
1038 | switch(porttype) { | |
1039 | case ZD1201_PORTTYPE_IBSS: | |
1040 | *mode = IW_MODE_ADHOC; | |
1041 | break; | |
1042 | case ZD1201_PORTTYPE_BSS: | |
1043 | *mode = IW_MODE_INFRA; | |
1044 | break; | |
1045 | case ZD1201_PORTTYPE_WDS: | |
1046 | *mode = IW_MODE_REPEAT; | |
1047 | break; | |
1048 | case ZD1201_PORTTYPE_PSEUDOIBSS: | |
1049 | *mode = 8;/* No Pseudo-IBSS... */ | |
1050 | break; | |
1051 | case ZD1201_PORTTYPE_AP: | |
1052 | *mode = IW_MODE_MASTER; | |
1053 | break; | |
1054 | default: | |
1055 | dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", | |
1056 | porttype); | |
1057 | *mode = IW_MODE_AUTO; | |
1058 | } | |
1059 | if (zd->monitor) | |
1060 | *mode = IW_MODE_MONITOR; | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | static int zd1201_get_range(struct net_device *dev, | |
1066 | struct iw_request_info *info, struct iw_point *wrq, char *extra) | |
1067 | { | |
1068 | struct iw_range *range = (struct iw_range *)extra; | |
1069 | ||
1070 | wrq->length = sizeof(struct iw_range); | |
1071 | memset(range, 0, sizeof(struct iw_range)); | |
1072 | range->we_version_compiled = WIRELESS_EXT; | |
1073 | range->we_version_source = WIRELESS_EXT; | |
1074 | ||
1075 | range->max_qual.qual = 128; | |
1076 | range->max_qual.level = 128; | |
1077 | range->max_qual.noise = 128; | |
1078 | range->max_qual.updated = 7; | |
1079 | ||
1080 | range->encoding_size[0] = 5; | |
1081 | range->encoding_size[1] = 13; | |
1082 | range->num_encoding_sizes = 2; | |
1083 | range->max_encoding_tokens = ZD1201_NUMKEYS; | |
1084 | ||
1085 | range->num_bitrates = 4; | |
1086 | range->bitrate[0] = 1000000; | |
1087 | range->bitrate[1] = 2000000; | |
1088 | range->bitrate[2] = 5500000; | |
1089 | range->bitrate[3] = 11000000; | |
1090 | ||
1091 | range->min_rts = 0; | |
1092 | range->min_frag = ZD1201_FRAGMIN; | |
1093 | range->max_rts = ZD1201_RTSMAX; | |
1094 | range->min_frag = ZD1201_FRAGMAX; | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | /* Little bit of magic here: we only get the quality if we poll | |
1100 | * for it, and we never get an actual request to trigger such | |
093cf723 | 1101 | * a poll. Therefore we 'assume' that the user will soon ask for |
1da177e4 LT |
1102 | * the stats after asking the bssid. |
1103 | */ | |
1104 | static int zd1201_get_wap(struct net_device *dev, | |
1105 | struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) | |
1106 | { | |
1107 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1108 | unsigned char buffer[6]; | |
1109 | ||
1110 | if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { | |
093cf723 | 1111 | /* Unfortunately the quality and noise reported is useless. |
1da177e4 LT |
1112 | they seem to be accumulators that increase until you |
1113 | read them, unless we poll on a fixed interval we can't | |
1114 | use them | |
1115 | */ | |
1116 | /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ | |
1117 | zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); | |
1118 | /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ | |
1119 | zd->iwstats.qual.updated = 2; | |
1120 | } | |
1121 | ||
1122 | return zd1201_getconfig(zd,ZD1201_RID_CURRENTBSSID,ap_addr->sa_data,6); | |
1123 | } | |
1124 | ||
1125 | static int zd1201_set_scan(struct net_device *dev, | |
1126 | struct iw_request_info *info, struct iw_point *srq, char *extra) | |
1127 | { | |
1128 | /* We do everything in get_scan */ | |
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | static int zd1201_get_scan(struct net_device *dev, | |
1133 | struct iw_request_info *info, struct iw_point *srq, char *extra) | |
1134 | { | |
1135 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1136 | int err, i, j, enabled_save; | |
1137 | struct iw_event iwe; | |
1138 | char *cev = extra; | |
1139 | char *end_buf = extra + IW_SCAN_MAX_DATA; | |
1140 | ||
1141 | /* No scanning in AP mode */ | |
1142 | if (zd->ap) | |
1143 | return -EOPNOTSUPP; | |
1144 | ||
1145 | /* Scan doesn't seem to work if disabled */ | |
1146 | enabled_save = zd->mac_enabled; | |
1147 | zd1201_enable(zd); | |
1148 | ||
1149 | zd->rxdatas = 0; | |
1150 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, | |
1151 | ZD1201_INQ_SCANRESULTS, 0, 0); | |
1152 | if (err) | |
1153 | return err; | |
1154 | ||
1155 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
1156 | if (!zd->rxlen) | |
1157 | return -EIO; | |
1158 | ||
1159 | if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) | |
1160 | return -EIO; | |
1161 | ||
1162 | for(i=8; i<zd->rxlen; i+=62) { | |
1163 | iwe.cmd = SIOCGIWAP; | |
1164 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
1165 | memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); | |
1166 | cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_ADDR_LEN); | |
1167 | ||
1168 | iwe.cmd = SIOCGIWESSID; | |
1169 | iwe.u.data.length = zd->rxdata[i+16]; | |
1170 | iwe.u.data.flags = 1; | |
1171 | cev = iwe_stream_add_point(cev, end_buf, &iwe, zd->rxdata+i+18); | |
1172 | ||
1173 | iwe.cmd = SIOCGIWMODE; | |
1174 | if (zd->rxdata[i+14]&0x01) | |
1175 | iwe.u.mode = IW_MODE_MASTER; | |
1176 | else | |
1177 | iwe.u.mode = IW_MODE_ADHOC; | |
1178 | cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_UINT_LEN); | |
1179 | ||
1180 | iwe.cmd = SIOCGIWFREQ; | |
1181 | iwe.u.freq.m = zd->rxdata[i+0]; | |
1182 | iwe.u.freq.e = 0; | |
1183 | cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_FREQ_LEN); | |
1184 | ||
1185 | iwe.cmd = SIOCGIWRATE; | |
1186 | iwe.u.bitrate.fixed = 0; | |
1187 | iwe.u.bitrate.disabled = 0; | |
1188 | for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { | |
1189 | iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; | |
1190 | cev=iwe_stream_add_event(cev, end_buf, &iwe, | |
1191 | IW_EV_PARAM_LEN); | |
1192 | } | |
1193 | ||
1194 | iwe.cmd = SIOCGIWENCODE; | |
1195 | iwe.u.data.length = 0; | |
1196 | if (zd->rxdata[i+14]&0x10) | |
1197 | iwe.u.data.flags = IW_ENCODE_ENABLED; | |
1198 | else | |
1199 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
1200 | cev = iwe_stream_add_point(cev, end_buf, &iwe, NULL); | |
1201 | ||
1202 | iwe.cmd = IWEVQUAL; | |
1203 | iwe.u.qual.qual = zd->rxdata[i+4]; | |
1204 | iwe.u.qual.noise= zd->rxdata[i+2]/10-100; | |
1205 | iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; | |
1206 | iwe.u.qual.updated = 7; | |
1207 | cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_QUAL_LEN); | |
1208 | } | |
1209 | ||
1210 | if (!enabled_save) | |
1211 | zd1201_disable(zd); | |
1212 | ||
1213 | srq->length = cev - extra; | |
1214 | srq->flags = 0; | |
1215 | ||
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | static int zd1201_set_essid(struct net_device *dev, | |
1220 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
1221 | { | |
1222 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1223 | ||
1224 | if (data->length > IW_ESSID_MAX_SIZE) | |
1225 | return -EINVAL; | |
1226 | if (data->length < 1) | |
1227 | data->length = 1; | |
1228 | zd->essidlen = data->length-1; | |
1229 | memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); | |
1230 | memcpy(zd->essid, essid, data->length); | |
1231 | return zd1201_join(zd, zd->essid, zd->essidlen); | |
1232 | } | |
1233 | ||
1234 | static int zd1201_get_essid(struct net_device *dev, | |
1235 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
1236 | { | |
1237 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1238 | ||
1239 | memcpy(essid, zd->essid, zd->essidlen); | |
1240 | data->flags = 1; | |
1241 | data->length = zd->essidlen; | |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | ||
1246 | static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, | |
1247 | struct iw_point *data, char *nick) | |
1248 | { | |
1249 | strcpy(nick, "zd1201"); | |
1250 | data->flags = 1; | |
1251 | data->length = strlen(nick); | |
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int zd1201_set_rate(struct net_device *dev, | |
1256 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1257 | { | |
1258 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1259 | short rate; | |
1260 | int err; | |
1261 | ||
1262 | switch (rrq->value) { | |
1263 | case 1000000: | |
1264 | rate = ZD1201_RATEB1; | |
1265 | break; | |
1266 | case 2000000: | |
1267 | rate = ZD1201_RATEB2; | |
1268 | break; | |
1269 | case 5500000: | |
1270 | rate = ZD1201_RATEB5; | |
1271 | break; | |
1272 | case 11000000: | |
1273 | default: | |
1274 | rate = ZD1201_RATEB11; | |
1275 | break; | |
1276 | } | |
1277 | if (!rrq->fixed) { /* Also enable all lower bitrates */ | |
1278 | rate |= rate-1; | |
1279 | } | |
1280 | ||
1281 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); | |
1282 | if (err) | |
1283 | return err; | |
1284 | ||
1285 | return zd1201_mac_reset(zd); | |
1286 | } | |
1287 | ||
1288 | static int zd1201_get_rate(struct net_device *dev, | |
1289 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1290 | { | |
1291 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1292 | short rate; | |
1293 | int err; | |
1294 | ||
1295 | err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); | |
1296 | if (err) | |
1297 | return err; | |
1298 | ||
1299 | switch(rate) { | |
1300 | case 1: | |
1301 | rrq->value = 1000000; | |
1302 | break; | |
1303 | case 2: | |
1304 | rrq->value = 2000000; | |
1305 | break; | |
1306 | case 5: | |
1307 | rrq->value = 5500000; | |
1308 | break; | |
1309 | case 11: | |
1310 | rrq->value = 11000000; | |
1311 | break; | |
1312 | default: | |
1313 | rrq->value = 0; | |
1314 | } | |
1315 | rrq->fixed = 0; | |
1316 | rrq->disabled = 0; | |
1317 | ||
1318 | return 0; | |
1319 | } | |
1320 | ||
1321 | static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, | |
1322 | struct iw_param *rts, char *extra) | |
1323 | { | |
1324 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1325 | int err; | |
1326 | short val = rts->value; | |
1327 | ||
1328 | if (rts->disabled || !rts->fixed) | |
1329 | val = ZD1201_RTSMAX; | |
1330 | if (val > ZD1201_RTSMAX) | |
1331 | return -EINVAL; | |
1332 | if (val < 0) | |
1333 | return -EINVAL; | |
1334 | ||
1335 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); | |
1336 | if (err) | |
1337 | return err; | |
1338 | return zd1201_mac_reset(zd); | |
1339 | } | |
1340 | ||
1341 | static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, | |
1342 | struct iw_param *rts, char *extra) | |
1343 | { | |
1344 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1345 | short rtst; | |
1346 | int err; | |
1347 | ||
1348 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); | |
1349 | if (err) | |
1350 | return err; | |
1351 | rts->value = rtst; | |
1352 | rts->disabled = (rts->value == ZD1201_RTSMAX); | |
1353 | rts->fixed = 1; | |
1354 | ||
1355 | return 0; | |
1356 | } | |
1357 | ||
1358 | static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, | |
1359 | struct iw_param *frag, char *extra) | |
1360 | { | |
1361 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1362 | int err; | |
1363 | short val = frag->value; | |
1364 | ||
1365 | if (frag->disabled || !frag->fixed) | |
1366 | val = ZD1201_FRAGMAX; | |
1367 | if (val > ZD1201_FRAGMAX) | |
1368 | return -EINVAL; | |
1369 | if (val < ZD1201_FRAGMIN) | |
1370 | return -EINVAL; | |
1371 | if (val & 1) | |
1372 | return -EINVAL; | |
1373 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); | |
1374 | if (err) | |
1375 | return err; | |
1376 | return zd1201_mac_reset(zd); | |
1377 | } | |
1378 | ||
1379 | static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, | |
1380 | struct iw_param *frag, char *extra) | |
1381 | { | |
1382 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1383 | short fragt; | |
1384 | int err; | |
1385 | ||
1386 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); | |
1387 | if (err) | |
1388 | return err; | |
1389 | frag->value = fragt; | |
1390 | frag->disabled = (frag->value == ZD1201_FRAGMAX); | |
1391 | frag->fixed = 1; | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | static int zd1201_set_retry(struct net_device *dev, | |
1397 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1398 | { | |
1399 | return 0; | |
1400 | } | |
1401 | ||
1402 | static int zd1201_get_retry(struct net_device *dev, | |
1403 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1404 | { | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int zd1201_set_encode(struct net_device *dev, | |
1409 | struct iw_request_info *info, struct iw_point *erq, char *key) | |
1410 | { | |
1411 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1412 | short i; | |
1413 | int err, rid; | |
1414 | ||
1415 | if (erq->length > ZD1201_MAXKEYLEN) | |
1416 | return -EINVAL; | |
1417 | ||
1418 | i = (erq->flags & IW_ENCODE_INDEX)-1; | |
1419 | if (i == -1) { | |
1420 | err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); | |
1421 | if (err) | |
1422 | return err; | |
1423 | } else { | |
1424 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); | |
1425 | if (err) | |
1426 | return err; | |
1427 | } | |
1428 | ||
1429 | if (i < 0 || i >= ZD1201_NUMKEYS) | |
1430 | return -EINVAL; | |
1431 | ||
1432 | rid = ZD1201_RID_CNFDEFAULTKEY0 + i; | |
1433 | err = zd1201_setconfig(zd, rid, key, erq->length, 1); | |
1434 | if (err) | |
1435 | return err; | |
1436 | zd->encode_keylen[i] = erq->length; | |
1437 | memcpy(zd->encode_keys[i], key, erq->length); | |
1438 | ||
1439 | i=0; | |
1440 | if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { | |
1441 | i |= 0x01; | |
1442 | zd->encode_enabled = 1; | |
1443 | } else | |
1444 | zd->encode_enabled = 0; | |
1445 | if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { | |
1446 | i |= 0x02; | |
1447 | zd->encode_restricted = 1; | |
1448 | } else | |
1449 | zd->encode_restricted = 0; | |
1450 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); | |
1451 | if (err) | |
1452 | return err; | |
1453 | ||
1454 | if (zd->encode_enabled) | |
1455 | i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; | |
1456 | else | |
1457 | i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; | |
1458 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); | |
1459 | if (err) | |
1460 | return err; | |
1461 | ||
1462 | return zd1201_mac_reset(zd); | |
1463 | } | |
1464 | ||
1465 | static int zd1201_get_encode(struct net_device *dev, | |
1466 | struct iw_request_info *info, struct iw_point *erq, char *key) | |
1467 | { | |
1468 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1469 | short i; | |
1470 | int err; | |
1471 | ||
1472 | if (zd->encode_enabled) | |
1473 | erq->flags = IW_ENCODE_ENABLED; | |
1474 | else | |
1475 | erq->flags = IW_ENCODE_DISABLED; | |
1476 | if (zd->encode_restricted) | |
1477 | erq->flags |= IW_ENCODE_RESTRICTED; | |
1478 | else | |
1479 | erq->flags |= IW_ENCODE_OPEN; | |
1480 | ||
1481 | i = (erq->flags & IW_ENCODE_INDEX) -1; | |
1482 | if (i == -1) { | |
1483 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); | |
1484 | if (err) | |
1485 | return err; | |
1486 | } | |
1487 | if (i<0 || i>= ZD1201_NUMKEYS) | |
1488 | return -EINVAL; | |
1489 | ||
1490 | erq->flags |= i+1; | |
1491 | ||
1492 | erq->length = zd->encode_keylen[i]; | |
1493 | memcpy(key, zd->encode_keys[i], erq->length); | |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | static int zd1201_set_power(struct net_device *dev, | |
1499 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) | |
1500 | { | |
1501 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1502 | short enabled, duration, level; | |
1503 | int err; | |
1504 | ||
1505 | enabled = vwrq->disabled ? 0 : 1; | |
1506 | if (enabled) { | |
1507 | if (vwrq->flags & IW_POWER_PERIOD) { | |
1508 | duration = vwrq->value; | |
1509 | err = zd1201_setconfig16(zd, | |
1510 | ZD1201_RID_CNFMAXSLEEPDURATION, duration); | |
1511 | if (err) | |
1512 | return err; | |
1513 | goto out; | |
1514 | } | |
1515 | if (vwrq->flags & IW_POWER_TIMEOUT) { | |
1516 | err = zd1201_getconfig16(zd, | |
1517 | ZD1201_RID_CNFMAXSLEEPDURATION, &duration); | |
1518 | if (err) | |
1519 | return err; | |
1520 | level = vwrq->value * 4 / duration; | |
1521 | if (level > 4) | |
1522 | level = 4; | |
1523 | if (level < 0) | |
1524 | level = 0; | |
1525 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, | |
1526 | level); | |
1527 | if (err) | |
1528 | return err; | |
1529 | goto out; | |
1530 | } | |
1531 | return -EINVAL; | |
1532 | } | |
1533 | out: | |
1534 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); | |
1535 | if (err) | |
1536 | return err; | |
1537 | ||
1538 | return 0; | |
1539 | } | |
1540 | ||
1541 | static int zd1201_get_power(struct net_device *dev, | |
1542 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) | |
1543 | { | |
1544 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1545 | short enabled, level, duration; | |
1546 | int err; | |
1547 | ||
1548 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); | |
1549 | if (err) | |
1550 | return err; | |
1551 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); | |
1552 | if (err) | |
1553 | return err; | |
1554 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); | |
1555 | if (err) | |
1556 | return err; | |
1557 | vwrq->disabled = enabled ? 0 : 1; | |
1558 | if (vwrq->flags & IW_POWER_TYPE) { | |
1559 | if (vwrq->flags & IW_POWER_PERIOD) { | |
1560 | vwrq->value = duration; | |
1561 | vwrq->flags = IW_POWER_PERIOD; | |
1562 | } else { | |
1563 | vwrq->value = duration * level / 4; | |
1564 | vwrq->flags = IW_POWER_TIMEOUT; | |
1565 | } | |
1566 | } | |
1567 | if (vwrq->flags & IW_POWER_MODE) { | |
1568 | if (enabled && level) | |
1569 | vwrq->flags = IW_POWER_UNICAST_R; | |
1570 | else | |
1571 | vwrq->flags = IW_POWER_ALL_R; | |
1572 | } | |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | ||
1578 | static const iw_handler zd1201_iw_handler[] = | |
1579 | { | |
1580 | (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ | |
1581 | (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ | |
1582 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
1583 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
1584 | (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ | |
1585 | (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ | |
1586 | (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ | |
1587 | (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ | |
1588 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
1589 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
1590 | (iw_handler) NULL, /* SIOCSIWRANGE */ | |
1591 | (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ | |
1592 | (iw_handler) NULL, /* SIOCSIWPRIV */ | |
1593 | (iw_handler) NULL, /* SIOCGIWPRIV */ | |
1594 | (iw_handler) NULL, /* SIOCSIWSTATS */ | |
1595 | (iw_handler) NULL, /* SIOCGIWSTATS */ | |
1596 | (iw_handler) NULL, /* SIOCSIWSPY */ | |
1597 | (iw_handler) NULL, /* SIOCGIWSPY */ | |
1598 | (iw_handler) NULL, /* -- hole -- */ | |
1599 | (iw_handler) NULL, /* -- hole -- */ | |
1600 | (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ | |
1601 | (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ | |
1602 | (iw_handler) NULL, /* -- hole -- */ | |
1603 | (iw_handler) NULL, /* SIOCGIWAPLIST */ | |
1604 | (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ | |
1605 | (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ | |
1606 | (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ | |
1607 | (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ | |
1608 | (iw_handler) NULL, /* SIOCSIWNICKN */ | |
1609 | (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ | |
1610 | (iw_handler) NULL, /* -- hole -- */ | |
1611 | (iw_handler) NULL, /* -- hole -- */ | |
1612 | (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ | |
1613 | (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ | |
1614 | (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ | |
1615 | (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ | |
1616 | (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ | |
1617 | (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ | |
1618 | (iw_handler) NULL, /* SIOCSIWTXPOW */ | |
1619 | (iw_handler) NULL, /* SIOCGIWTXPOW */ | |
1620 | (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ | |
1621 | (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ | |
1622 | (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ | |
1623 | (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ | |
1624 | (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ | |
1625 | (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ | |
1626 | }; | |
1627 | ||
1628 | static int zd1201_set_hostauth(struct net_device *dev, | |
1629 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1630 | { | |
1631 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1632 | int err; | |
1633 | ||
1634 | if (!zd->ap) | |
1635 | return -EOPNOTSUPP; | |
1636 | ||
1637 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); | |
1638 | if (err) | |
1639 | return err; | |
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | static int zd1201_get_hostauth(struct net_device *dev, | |
1644 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1645 | { | |
1646 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1647 | short hostauth; | |
1648 | int err; | |
1649 | ||
1650 | if (!zd->ap) | |
1651 | return -EOPNOTSUPP; | |
1652 | ||
1653 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); | |
1654 | if (err) | |
1655 | return err; | |
1656 | rrq->value = hostauth; | |
1657 | rrq->fixed = 1; | |
1658 | ||
1659 | return 0; | |
1660 | } | |
1661 | ||
1662 | static int zd1201_auth_sta(struct net_device *dev, | |
1663 | struct iw_request_info *info, struct sockaddr *sta, char *extra) | |
1664 | { | |
1665 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1666 | unsigned char buffer[10]; | |
1667 | ||
1668 | if (!zd->ap) | |
1669 | return -EOPNOTSUPP; | |
1670 | ||
1671 | memcpy(buffer, sta->sa_data, ETH_ALEN); | |
1672 | *(short*)(buffer+6) = 0; /* 0==success, 1==failure */ | |
1673 | *(short*)(buffer+8) = 0; | |
1674 | ||
1675 | return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); | |
1676 | } | |
1677 | ||
1678 | static int zd1201_set_maxassoc(struct net_device *dev, | |
1679 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1680 | { | |
1681 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1682 | int err; | |
1683 | ||
1684 | if (!zd->ap) | |
1685 | return -EOPNOTSUPP; | |
1686 | ||
1687 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value); | |
1688 | if (err) | |
1689 | return err; | |
1690 | return 0; | |
1691 | } | |
1692 | ||
1693 | static int zd1201_get_maxassoc(struct net_device *dev, | |
1694 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1695 | { | |
1696 | struct zd1201 *zd = (struct zd1201 *)dev->priv; | |
1697 | short maxassoc; | |
1698 | int err; | |
1699 | ||
1700 | if (!zd->ap) | |
1701 | return -EOPNOTSUPP; | |
1702 | ||
1703 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); | |
1704 | if (err) | |
1705 | return err; | |
1706 | rrq->value = maxassoc; | |
1707 | rrq->fixed = 1; | |
1708 | ||
1709 | return 0; | |
1710 | } | |
1711 | ||
1712 | static const iw_handler zd1201_private_handler[] = { | |
1713 | (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ | |
1714 | (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ | |
1715 | (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ | |
1716 | (iw_handler) NULL, /* nothing to get */ | |
1717 | (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ | |
1718 | (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ | |
1719 | }; | |
1720 | ||
1721 | static const struct iw_priv_args zd1201_private_args[] = { | |
1722 | { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, | |
1723 | IW_PRIV_TYPE_NONE, "sethostauth" }, | |
1724 | { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, | |
1725 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, | |
1726 | { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, | |
1727 | IW_PRIV_TYPE_NONE, "authstation" }, | |
1728 | { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, | |
1729 | IW_PRIV_TYPE_NONE, "setmaxassoc" }, | |
1730 | { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, | |
1731 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, | |
1732 | }; | |
1733 | ||
1734 | static const struct iw_handler_def zd1201_iw_handlers = { | |
1735 | .num_standard = sizeof(zd1201_iw_handler)/sizeof(iw_handler), | |
1736 | .num_private = sizeof(zd1201_private_handler)/sizeof(iw_handler), | |
1737 | .num_private_args = sizeof(zd1201_private_args)/sizeof(struct iw_priv_args), | |
1738 | .standard = (iw_handler *)zd1201_iw_handler, | |
1739 | .private = (iw_handler *)zd1201_private_handler, | |
1740 | .private_args = (struct iw_priv_args *) zd1201_private_args, | |
1741 | }; | |
1742 | ||
2e0a6b8c AB |
1743 | static int zd1201_probe(struct usb_interface *interface, |
1744 | const struct usb_device_id *id) | |
1da177e4 LT |
1745 | { |
1746 | struct zd1201 *zd; | |
1747 | struct usb_device *usb; | |
1748 | int i, err; | |
1749 | short porttype; | |
1750 | char buf[IW_ESSID_MAX_SIZE+2]; | |
1751 | ||
1752 | usb = interface_to_usbdev(interface); | |
1753 | ||
1754 | zd = kmalloc(sizeof(struct zd1201), GFP_KERNEL); | |
1755 | if (!zd) { | |
1756 | return -ENOMEM; | |
1757 | } | |
1758 | memset(zd, 0, sizeof(struct zd1201)); | |
1759 | zd->ap = ap; | |
1760 | zd->usb = usb; | |
1761 | zd->removed = 0; | |
1762 | init_waitqueue_head(&zd->rxdataq); | |
1763 | INIT_HLIST_HEAD(&zd->fraglist); | |
1764 | ||
1765 | err = zd1201_fw_upload(usb, zd->ap); | |
1766 | if (err) { | |
1767 | dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); | |
1768 | goto err_zd; | |
1769 | } | |
1770 | ||
1771 | zd->endp_in = 1; | |
1772 | zd->endp_out = 1; | |
1773 | zd->endp_out2 = 2; | |
1774 | zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1775 | zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1776 | if (!zd->rx_urb || !zd->tx_urb) | |
1777 | goto err_zd; | |
1778 | ||
1779 | for(i = 0; i<100; i++) | |
1780 | udelay(1000); | |
1781 | ||
1782 | err = zd1201_drvr_start(zd); | |
1783 | if (err) | |
1784 | goto err_zd; | |
1785 | ||
1786 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); | |
1787 | if (err) | |
1788 | goto err_start; | |
1789 | ||
1790 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, | |
1791 | ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); | |
1792 | if (err) | |
1793 | goto err_start; | |
1794 | ||
1795 | zd->dev = alloc_etherdev(0); | |
1796 | if (!zd->dev) | |
1797 | goto err_start; | |
1798 | ||
1799 | zd->dev->priv = zd; | |
1800 | zd->dev->open = zd1201_net_open; | |
1801 | zd->dev->stop = zd1201_net_stop; | |
1802 | zd->dev->get_stats = zd1201_get_stats; | |
1803 | zd->dev->get_wireless_stats = zd1201_get_wireless_stats; | |
1804 | zd->dev->wireless_handlers = | |
1805 | (struct iw_handler_def *)&zd1201_iw_handlers; | |
1806 | zd->dev->hard_start_xmit = zd1201_hard_start_xmit; | |
1807 | zd->dev->watchdog_timeo = ZD1201_TX_TIMEOUT; | |
1808 | zd->dev->tx_timeout = zd1201_tx_timeout; | |
1809 | zd->dev->set_multicast_list = zd1201_set_multicast; | |
1810 | zd->dev->set_mac_address = zd1201_set_mac_address; | |
1811 | strcpy(zd->dev->name, "wlan%d"); | |
1812 | ||
1813 | err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
1814 | zd->dev->dev_addr, zd->dev->addr_len); | |
1815 | if (err) | |
1816 | goto err_net; | |
1817 | ||
1818 | /* Set wildcard essid to match zd->essid */ | |
1819 | *(__le16 *)buf = cpu_to_le16(0); | |
1820 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, | |
1821 | IW_ESSID_MAX_SIZE+2, 1); | |
1822 | if (err) | |
1823 | goto err_net; | |
1824 | ||
1825 | if (zd->ap) | |
1826 | porttype = ZD1201_PORTTYPE_AP; | |
1827 | else | |
1828 | porttype = ZD1201_PORTTYPE_BSS; | |
1829 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); | |
1830 | if (err) | |
1831 | goto err_net; | |
1832 | ||
1833 | err = register_netdev(zd->dev); | |
1834 | if (err) | |
1835 | goto err_net; | |
1836 | dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", | |
1837 | zd->dev->name); | |
1838 | ||
1839 | usb_set_intfdata(interface, zd); | |
1840 | return 0; | |
1841 | ||
1842 | err_net: | |
1843 | free_netdev(zd->dev); | |
1844 | err_start: | |
1845 | /* Leave the device in reset state */ | |
1846 | zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); | |
1847 | err_zd: | |
1848 | if (zd->tx_urb) | |
1849 | usb_free_urb(zd->tx_urb); | |
1850 | if (zd->rx_urb) | |
1851 | usb_free_urb(zd->rx_urb); | |
1852 | kfree(zd); | |
1853 | return err; | |
1854 | } | |
1855 | ||
2e0a6b8c | 1856 | static void zd1201_disconnect(struct usb_interface *interface) |
1da177e4 LT |
1857 | { |
1858 | struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface); | |
1859 | struct hlist_node *node, *node2; | |
1860 | struct zd1201_frag *frag; | |
1861 | ||
1862 | if (!zd) | |
1863 | return; | |
1864 | usb_set_intfdata(interface, NULL); | |
1865 | if (zd->dev) { | |
1866 | unregister_netdev(zd->dev); | |
1867 | free_netdev(zd->dev); | |
1868 | } | |
1869 | ||
1870 | hlist_for_each_entry_safe(frag, node, node2, &zd->fraglist, fnode) { | |
1871 | hlist_del_init(&frag->fnode); | |
1872 | kfree_skb(frag->skb); | |
1873 | kfree(frag); | |
1874 | } | |
1875 | ||
1876 | if (zd->tx_urb) { | |
1877 | usb_kill_urb(zd->tx_urb); | |
1878 | usb_free_urb(zd->tx_urb); | |
1879 | } | |
1880 | if (zd->rx_urb) { | |
1881 | usb_kill_urb(zd->rx_urb); | |
1882 | usb_free_urb(zd->rx_urb); | |
1883 | } | |
1884 | kfree(zd); | |
1885 | } | |
1886 | ||
2e0a6b8c | 1887 | static struct usb_driver zd1201_usb = { |
1da177e4 LT |
1888 | .owner = THIS_MODULE, |
1889 | .name = "zd1201", | |
1890 | .probe = zd1201_probe, | |
1891 | .disconnect = zd1201_disconnect, | |
1892 | .id_table = zd1201_table, | |
1893 | }; | |
1894 | ||
1895 | static int __init zd1201_init(void) | |
1896 | { | |
1897 | return usb_register(&zd1201_usb); | |
1898 | } | |
1899 | ||
1900 | static void __exit zd1201_cleanup(void) | |
1901 | { | |
1902 | usb_deregister(&zd1201_usb); | |
1903 | } | |
1904 | ||
1905 | module_init(zd1201_init); | |
1906 | module_exit(zd1201_cleanup); |