Commit | Line | Data |
---|---|---|
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> | |
5a0e3ad6 | 17 | #include <linux/slab.h> |
1da177e4 LT |
18 | #include <linux/netdevice.h> |
19 | #include <linux/etherdevice.h> | |
20 | #include <linux/wireless.h> | |
2c706002 | 21 | #include <linux/ieee80211.h> |
1da177e4 LT |
22 | #include <net/iw_handler.h> |
23 | #include <linux/string.h> | |
24 | #include <linux/if_arp.h> | |
25 | #include <linux/firmware.h> | |
1da177e4 LT |
26 | #include "zd1201.h" |
27 | ||
28 | static struct usb_device_id zd1201_table[] = { | |
29 | {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */ | |
30 | {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */ | |
31 | {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */ | |
32 | {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */ | |
d94519c1 | 33 | {USB_DEVICE(0x1044, 0x8004)}, /* Gigabyte GN-WLBZ101 */ |
f2908097 | 34 | {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ |
1da177e4 LT |
35 | {} |
36 | }; | |
37 | ||
2a806340 | 38 | static int ap; /* Are we an AP or a normal station? */ |
1da177e4 LT |
39 | |
40 | #define ZD1201_VERSION "0.15" | |
41 | ||
42 | MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); | |
43 | MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters"); | |
44 | MODULE_VERSION(ZD1201_VERSION); | |
45 | MODULE_LICENSE("GPL"); | |
46 | module_param(ap, int, 0); | |
47 | MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded"); | |
48 | MODULE_DEVICE_TABLE(usb, zd1201_table); | |
49 | ||
50 | ||
2e0a6b8c | 51 | static int zd1201_fw_upload(struct usb_device *dev, int apfw) |
1da177e4 LT |
52 | { |
53 | const struct firmware *fw_entry; | |
45ef0bdb | 54 | const char *data; |
1da177e4 LT |
55 | unsigned long len; |
56 | int err; | |
57 | unsigned char ret; | |
58 | char *buf; | |
59 | char *fwfile; | |
60 | ||
61 | if (apfw) | |
62 | fwfile = "zd1201-ap.fw"; | |
63 | else | |
64 | fwfile = "zd1201.fw"; | |
65 | ||
66 | err = request_firmware(&fw_entry, fwfile, &dev->dev); | |
67 | if (err) { | |
68 | dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); | |
69 | dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); | |
2a806340 | 70 | dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n"); |
1da177e4 LT |
71 | return err; |
72 | } | |
73 | ||
74 | data = fw_entry->data; | |
75 | len = fw_entry->size; | |
76 | ||
77 | buf = kmalloc(1024, GFP_ATOMIC); | |
78 | if (!buf) | |
79 | goto exit; | |
80 | ||
81 | while (len > 0) { | |
82 | int translen = (len > 1024) ? 1024 : len; | |
83 | memcpy(buf, data, translen); | |
84 | ||
85 | err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, | |
86 | USB_DIR_OUT | 0x40, 0, 0, buf, translen, | |
87 | ZD1201_FW_TIMEOUT); | |
88 | if (err < 0) | |
89 | goto exit; | |
90 | ||
91 | len -= translen; | |
92 | data += translen; | |
93 | } | |
94 | ||
95 | err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2, | |
96 | USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); | |
97 | if (err < 0) | |
98 | goto exit; | |
2a806340 | 99 | |
1da177e4 LT |
100 | err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, |
101 | USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); | |
102 | if (err < 0) | |
103 | goto exit; | |
2a806340 | 104 | |
1da177e4 LT |
105 | if (ret & 0x80) { |
106 | err = -EIO; | |
107 | goto exit; | |
108 | } | |
109 | ||
110 | err = 0; | |
111 | exit: | |
1bc3c9e1 | 112 | kfree(buf); |
1da177e4 LT |
113 | release_firmware(fw_entry); |
114 | return err; | |
115 | } | |
116 | ||
e01b0e0f BH |
117 | MODULE_FIRMWARE("zd1201-ap.fw"); |
118 | MODULE_FIRMWARE("zd1201.fw"); | |
119 | ||
7d12e780 | 120 | static void zd1201_usbfree(struct urb *urb) |
1da177e4 LT |
121 | { |
122 | struct zd1201 *zd = urb->context; | |
123 | ||
124 | switch(urb->status) { | |
125 | case -EILSEQ: | |
126 | case -ENODEV: | |
38e2bfc9 | 127 | case -ETIME: |
1da177e4 LT |
128 | case -ENOENT: |
129 | case -EPIPE: | |
130 | case -EOVERFLOW: | |
131 | case -ESHUTDOWN: | |
132 | dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", | |
133 | zd->dev->name, urb->status); | |
134 | } | |
135 | ||
136 | kfree(urb->transfer_buffer); | |
137 | usb_free_urb(urb); | |
1da177e4 LT |
138 | } |
139 | ||
140 | /* cmdreq message: | |
141 | u32 type | |
142 | u16 cmd | |
143 | u16 parm0 | |
144 | u16 parm1 | |
145 | u16 parm2 | |
146 | u8 pad[4] | |
147 | ||
148 | total: 4 + 2 + 2 + 2 + 2 + 4 = 16 | |
149 | */ | |
2e0a6b8c AB |
150 | static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, |
151 | int parm1, int parm2) | |
1da177e4 LT |
152 | { |
153 | unsigned char *command; | |
154 | int ret; | |
155 | struct urb *urb; | |
156 | ||
157 | command = kmalloc(16, GFP_ATOMIC); | |
158 | if (!command) | |
159 | return -ENOMEM; | |
160 | ||
161 | *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); | |
162 | *((__le16*)&command[4]) = cpu_to_le16(cmd); | |
163 | *((__le16*)&command[6]) = cpu_to_le16(parm0); | |
164 | *((__le16*)&command[8]) = cpu_to_le16(parm1); | |
165 | *((__le16*)&command[10])= cpu_to_le16(parm2); | |
166 | ||
167 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
168 | if (!urb) { | |
169 | kfree(command); | |
170 | return -ENOMEM; | |
171 | } | |
172 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), | |
2a806340 | 173 | command, 16, zd1201_usbfree, zd); |
1da177e4 LT |
174 | ret = usb_submit_urb(urb, GFP_ATOMIC); |
175 | if (ret) { | |
176 | kfree(command); | |
177 | usb_free_urb(urb); | |
178 | } | |
2a806340 | 179 | |
1da177e4 LT |
180 | return ret; |
181 | } | |
182 | ||
183 | /* Callback after sending out a packet */ | |
7d12e780 | 184 | static void zd1201_usbtx(struct urb *urb) |
1da177e4 LT |
185 | { |
186 | struct zd1201 *zd = urb->context; | |
187 | netif_wake_queue(zd->dev); | |
1da177e4 LT |
188 | } |
189 | ||
093cf723 | 190 | /* Incoming data */ |
7d12e780 | 191 | static void zd1201_usbrx(struct urb *urb) |
1da177e4 LT |
192 | { |
193 | struct zd1201 *zd = urb->context; | |
194 | int free = 0; | |
195 | unsigned char *data = urb->transfer_buffer; | |
196 | struct sk_buff *skb; | |
197 | unsigned char type; | |
198 | ||
683f8c9e ES |
199 | if (!zd) |
200 | return; | |
1da177e4 LT |
201 | |
202 | switch(urb->status) { | |
203 | case -EILSEQ: | |
204 | case -ENODEV: | |
38e2bfc9 | 205 | case -ETIME: |
1da177e4 LT |
206 | case -ENOENT: |
207 | case -EPIPE: | |
208 | case -EOVERFLOW: | |
209 | case -ESHUTDOWN: | |
210 | dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", | |
211 | zd->dev->name, urb->status); | |
212 | free = 1; | |
213 | goto exit; | |
214 | } | |
215 | ||
216 | if (urb->status != 0 || urb->actual_length == 0) | |
217 | goto resubmit; | |
218 | ||
219 | type = data[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; | |
223 | zd->rxdatas = 1; | |
224 | wake_up(&zd->rxdataq); | |
225 | } | |
226 | /* Info frame */ | |
227 | if (type == ZD1201_PACKET_INQUIRE) { | |
228 | int i = 0; | |
229 | unsigned short infotype, framelen, copylen; | |
230 | framelen = le16_to_cpu(*(__le16*)&data[4]); | |
231 | infotype = le16_to_cpu(*(__le16*)&data[6]); | |
232 | ||
233 | if (infotype == ZD1201_INF_LINKSTATUS) { | |
234 | short linkstatus; | |
235 | ||
236 | linkstatus = le16_to_cpu(*(__le16*)&data[8]); | |
237 | switch(linkstatus) { | |
238 | case 1: | |
239 | netif_carrier_on(zd->dev); | |
240 | break; | |
241 | case 2: | |
242 | netif_carrier_off(zd->dev); | |
243 | break; | |
244 | case 3: | |
245 | netif_carrier_off(zd->dev); | |
246 | break; | |
247 | case 4: | |
248 | netif_carrier_on(zd->dev); | |
249 | break; | |
250 | default: | |
251 | netif_carrier_off(zd->dev); | |
252 | } | |
253 | goto resubmit; | |
254 | } | |
255 | if (infotype == ZD1201_INF_ASSOCSTATUS) { | |
256 | short status = le16_to_cpu(*(__le16*)(data+8)); | |
257 | int event; | |
258 | union iwreq_data wrqu; | |
259 | ||
260 | switch (status) { | |
261 | case ZD1201_ASSOCSTATUS_STAASSOC: | |
262 | case ZD1201_ASSOCSTATUS_REASSOC: | |
263 | event = IWEVREGISTERED; | |
264 | break; | |
265 | case ZD1201_ASSOCSTATUS_DISASSOC: | |
266 | case ZD1201_ASSOCSTATUS_ASSOCFAIL: | |
267 | case ZD1201_ASSOCSTATUS_AUTHFAIL: | |
268 | default: | |
269 | event = IWEVEXPIRED; | |
270 | } | |
271 | memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); | |
272 | wrqu.addr.sa_family = ARPHRD_ETHER; | |
273 | ||
274 | /* Send event to user space */ | |
275 | wireless_send_event(zd->dev, event, &wrqu, NULL); | |
276 | ||
277 | goto resubmit; | |
278 | } | |
279 | if (infotype == ZD1201_INF_AUTHREQ) { | |
280 | union iwreq_data wrqu; | |
281 | ||
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); | |
289 | goto resubmit; | |
290 | } | |
291 | /* Other infotypes are handled outside this handler */ | |
292 | zd->rxlen = 0; | |
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)) | |
297 | break; | |
298 | memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); | |
299 | zd->rxlen += copylen; | |
300 | i += 64; | |
301 | } | |
302 | if (i >= urb->actual_length) { | |
303 | zd->rxdatas = 1; | |
304 | wake_up(&zd->rxdataq); | |
305 | } | |
306 | goto resubmit; | |
307 | } | |
308 | /* Actual data */ | |
309 | if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { | |
310 | int datalen = urb->actual_length-1; | |
311 | unsigned short len, fc, seq; | |
1da177e4 LT |
312 | |
313 | len = ntohs(*(__be16 *)&data[datalen-2]); | |
314 | if (len>datalen) | |
315 | len=datalen; | |
316 | fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); | |
317 | seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); | |
318 | ||
2a806340 | 319 | if (zd->monitor) { |
1da177e4 LT |
320 | if (datalen < 24) |
321 | goto resubmit; | |
322 | if (!(skb = dev_alloc_skb(datalen+24))) | |
323 | goto resubmit; | |
324 | ||
325 | memcpy(skb_put(skb, 2), &data[datalen-16], 2); | |
326 | memcpy(skb_put(skb, 2), &data[datalen-2], 2); | |
327 | memcpy(skb_put(skb, 6), &data[datalen-14], 6); | |
328 | memcpy(skb_put(skb, 6), &data[datalen-22], 6); | |
329 | memcpy(skb_put(skb, 6), &data[datalen-8], 6); | |
330 | memcpy(skb_put(skb, 2), &data[datalen-24], 2); | |
331 | memcpy(skb_put(skb, len), data, len); | |
1da177e4 | 332 | skb->protocol = eth_type_trans(skb, zd->dev); |
22bc1ce4 SH |
333 | zd->dev->stats.rx_packets++; |
334 | zd->dev->stats.rx_bytes += skb->len; | |
1da177e4 LT |
335 | netif_rx(skb); |
336 | goto resubmit; | |
337 | } | |
338 | ||
3dcefbc9 AV |
339 | if ((seq & IEEE80211_SCTL_FRAG) || |
340 | (fc & IEEE80211_FCTL_MOREFRAGS)) { | |
1da177e4 LT |
341 | struct zd1201_frag *frag = NULL; |
342 | char *ptr; | |
343 | ||
344 | if (datalen<14) | |
345 | goto resubmit; | |
3dcefbc9 | 346 | if ((seq & IEEE80211_SCTL_FRAG) == 0) { |
81065e2f | 347 | frag = kmalloc(sizeof(*frag), GFP_ATOMIC); |
1da177e4 LT |
348 | if (!frag) |
349 | goto resubmit; | |
2c706002 | 350 | skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2); |
1da177e4 LT |
351 | if (!skb) { |
352 | kfree(frag); | |
353 | goto resubmit; | |
354 | } | |
355 | frag->skb = skb; | |
3dcefbc9 | 356 | frag->seq = seq & IEEE80211_SCTL_SEQ; |
1da177e4 LT |
357 | skb_reserve(skb, 2); |
358 | memcpy(skb_put(skb, 12), &data[datalen-14], 12); | |
359 | memcpy(skb_put(skb, 2), &data[6], 2); | |
360 | memcpy(skb_put(skb, len), data+8, len); | |
361 | hlist_add_head(&frag->fnode, &zd->fraglist); | |
362 | goto resubmit; | |
363 | } | |
b67bfe0d | 364 | hlist_for_each_entry(frag, &zd->fraglist, fnode) |
2a806340 | 365 | if (frag->seq == (seq&IEEE80211_SCTL_SEQ)) |
1da177e4 LT |
366 | break; |
367 | if (!frag) | |
368 | goto resubmit; | |
369 | skb = frag->skb; | |
370 | ptr = skb_put(skb, len); | |
371 | if (ptr) | |
372 | memcpy(ptr, data+8, len); | |
3dcefbc9 | 373 | if (fc & IEEE80211_FCTL_MOREFRAGS) |
1da177e4 LT |
374 | goto resubmit; |
375 | hlist_del_init(&frag->fnode); | |
376 | kfree(frag); | |
1da177e4 LT |
377 | } else { |
378 | if (datalen<14) | |
379 | goto resubmit; | |
380 | skb = dev_alloc_skb(len + 14 + 2); | |
381 | if (!skb) | |
382 | goto resubmit; | |
383 | skb_reserve(skb, 2); | |
384 | memcpy(skb_put(skb, 12), &data[datalen-14], 12); | |
385 | memcpy(skb_put(skb, 2), &data[6], 2); | |
386 | memcpy(skb_put(skb, len), data+8, len); | |
387 | } | |
1da177e4 | 388 | skb->protocol = eth_type_trans(skb, zd->dev); |
22bc1ce4 SH |
389 | zd->dev->stats.rx_packets++; |
390 | zd->dev->stats.rx_bytes += skb->len; | |
1da177e4 LT |
391 | netif_rx(skb); |
392 | } | |
393 | resubmit: | |
394 | memset(data, 0, ZD1201_RXSIZE); | |
395 | ||
396 | urb->status = 0; | |
397 | urb->dev = zd->usb; | |
398 | if(usb_submit_urb(urb, GFP_ATOMIC)) | |
399 | free = 1; | |
400 | ||
401 | exit: | |
402 | if (free) { | |
403 | zd->rxlen = 0; | |
404 | zd->rxdatas = 1; | |
405 | wake_up(&zd->rxdataq); | |
406 | kfree(urb->transfer_buffer); | |
407 | } | |
1da177e4 LT |
408 | } |
409 | ||
410 | static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, | |
411 | unsigned int riddatalen) | |
412 | { | |
413 | int err; | |
414 | int i = 0; | |
415 | int code; | |
416 | int rid_fid; | |
417 | int length; | |
418 | unsigned char *pdata; | |
2a806340 | 419 | |
1da177e4 LT |
420 | zd->rxdatas = 0; |
421 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); | |
422 | if (err) | |
423 | return err; | |
424 | ||
425 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
426 | if (!zd->rxlen) | |
427 | return -EIO; | |
428 | ||
429 | code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); | |
430 | rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); | |
431 | length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); | |
432 | if (length > zd->rxlen) | |
433 | length = zd->rxlen-6; | |
434 | ||
435 | /* If access bit is not on, then error */ | |
436 | if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) | |
437 | return -EINVAL; | |
438 | ||
439 | /* Not enough buffer for allocating data */ | |
440 | if (riddatalen != (length - 4)) { | |
441 | dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n", | |
442 | riddatalen, zd->rxlen, length, rid, rid_fid); | |
443 | return -ENODATA; | |
444 | } | |
445 | ||
446 | zd->rxdatas = 0; | |
447 | /* Issue SetRxRid commnd */ | |
448 | err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length); | |
449 | if (err) | |
450 | return err; | |
451 | ||
452 | /* Receive RID record from resource packets */ | |
453 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
454 | if (!zd->rxlen) | |
455 | return -EIO; | |
456 | ||
457 | if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) { | |
458 | dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n", | |
459 | zd->rxdata[zd->rxlen-1]); | |
460 | return -EINVAL; | |
461 | } | |
462 | ||
463 | /* Set the data pointer and received data length */ | |
464 | pdata = zd->rxdata; | |
465 | length = zd->rxlen; | |
466 | ||
467 | do { | |
2a806340 | 468 | int actual_length; |
1da177e4 LT |
469 | |
470 | actual_length = (length > 64) ? 64 : length; | |
471 | ||
2a806340 | 472 | if (pdata[0] != 0x3) { |
1da177e4 LT |
473 | dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", |
474 | pdata[0]); | |
475 | return -EINVAL; | |
476 | } | |
477 | ||
478 | if (actual_length != 64) { | |
479 | /* Trim the last packet type byte */ | |
480 | actual_length--; | |
481 | } | |
482 | ||
483 | /* Skip the 4 bytes header (RID length and RID) */ | |
2a806340 | 484 | if (i == 0) { |
1da177e4 LT |
485 | pdata += 8; |
486 | actual_length -= 8; | |
2a806340 | 487 | } else { |
1da177e4 LT |
488 | pdata += 4; |
489 | actual_length -= 4; | |
490 | } | |
491 | ||
492 | memcpy(riddata, pdata, actual_length); | |
493 | riddata += actual_length; | |
494 | pdata += actual_length; | |
495 | length -= 64; | |
496 | i++; | |
497 | } while (length > 0); | |
498 | ||
499 | return 0; | |
500 | } | |
501 | ||
502 | /* | |
503 | * resreq: | |
504 | * byte type | |
505 | * byte sequence | |
506 | * u16 reserved | |
507 | * byte data[12] | |
508 | * total: 16 | |
509 | */ | |
510 | static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait) | |
511 | { | |
512 | int err; | |
513 | unsigned char *request; | |
514 | int reqlen; | |
515 | char seq=0; | |
516 | struct urb *urb; | |
55016f10 | 517 | gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC; |
1da177e4 LT |
518 | |
519 | len += 4; /* first 4 are for header */ | |
520 | ||
521 | zd->rxdatas = 0; | |
522 | zd->rxlen = 0; | |
523 | for (seq=0; len > 0; seq++) { | |
524 | request = kmalloc(16, gfp_mask); | |
525 | if (!request) | |
526 | return -ENOMEM; | |
527 | urb = usb_alloc_urb(0, gfp_mask); | |
528 | if (!urb) { | |
529 | kfree(request); | |
530 | return -ENOMEM; | |
531 | } | |
532 | memset(request, 0, 16); | |
533 | reqlen = len>12 ? 12 : len; | |
534 | request[0] = ZD1201_USB_RESREQ; | |
535 | request[1] = seq; | |
536 | request[2] = 0; | |
537 | request[3] = 0; | |
538 | if (request[1] == 0) { | |
539 | /* add header */ | |
540 | *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2); | |
541 | *(__le16*)&request[6] = cpu_to_le16(rid); | |
542 | memcpy(request+8, buf, reqlen-4); | |
543 | buf += reqlen-4; | |
544 | } else { | |
545 | memcpy(request+4, buf, reqlen); | |
546 | buf += reqlen; | |
547 | } | |
548 | ||
549 | len -= reqlen; | |
550 | ||
551 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, | |
552 | zd->endp_out2), request, 16, zd1201_usbfree, zd); | |
553 | err = usb_submit_urb(urb, gfp_mask); | |
554 | if (err) | |
555 | goto err; | |
556 | } | |
557 | ||
558 | request = kmalloc(16, gfp_mask); | |
559 | if (!request) | |
560 | return -ENOMEM; | |
561 | urb = usb_alloc_urb(0, gfp_mask); | |
562 | if (!urb) { | |
563 | kfree(request); | |
564 | return -ENOMEM; | |
565 | } | |
566 | *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ); | |
567 | *((__le16*)&request[4]) = | |
568 | cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT); | |
569 | *((__le16*)&request[6]) = cpu_to_le16(rid); | |
570 | *((__le16*)&request[8]) = cpu_to_le16(0); | |
571 | *((__le16*)&request[10]) = cpu_to_le16(0); | |
572 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), | |
573 | request, 16, zd1201_usbfree, zd); | |
574 | err = usb_submit_urb(urb, gfp_mask); | |
575 | if (err) | |
576 | goto err; | |
577 | ||
578 | if (wait) { | |
579 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
580 | if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) { | |
581 | dev_dbg(&zd->usb->dev, "wrong or no RID received\n"); | |
582 | } | |
583 | } | |
584 | ||
585 | return 0; | |
586 | err: | |
587 | kfree(request); | |
588 | usb_free_urb(urb); | |
589 | return err; | |
590 | } | |
591 | ||
592 | static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val) | |
593 | { | |
594 | int err; | |
595 | __le16 zdval; | |
596 | ||
597 | err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16)); | |
598 | if (err) | |
599 | return err; | |
600 | *val = le16_to_cpu(zdval); | |
601 | return 0; | |
602 | } | |
603 | ||
604 | static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val) | |
605 | { | |
606 | __le16 zdval = cpu_to_le16(val); | |
607 | return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1)); | |
608 | } | |
609 | ||
2e0a6b8c | 610 | static int zd1201_drvr_start(struct zd1201 *zd) |
1da177e4 LT |
611 | { |
612 | int err, i; | |
613 | short max; | |
614 | __le16 zdmax; | |
615 | unsigned char *buffer; | |
2a806340 | 616 | |
80b6ca48 | 617 | buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL); |
1da177e4 LT |
618 | if (!buffer) |
619 | return -ENOMEM; | |
1da177e4 LT |
620 | |
621 | usb_fill_bulk_urb(zd->rx_urb, zd->usb, | |
622 | usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE, | |
623 | zd1201_usbrx, zd); | |
624 | ||
625 | err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); | |
626 | if (err) | |
627 | goto err_buffer; | |
2a806340 | 628 | |
1da177e4 LT |
629 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
630 | if (err) | |
631 | goto err_urb; | |
632 | ||
633 | err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax, | |
634 | sizeof(__le16)); | |
635 | if (err) | |
636 | goto err_urb; | |
637 | ||
638 | max = le16_to_cpu(zdmax); | |
639 | for (i=0; i<max; i++) { | |
640 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0); | |
641 | if (err) | |
642 | goto err_urb; | |
643 | } | |
644 | ||
645 | return 0; | |
646 | ||
647 | err_urb: | |
648 | usb_kill_urb(zd->rx_urb); | |
649 | return err; | |
650 | err_buffer: | |
651 | kfree(buffer); | |
652 | return err; | |
653 | } | |
654 | ||
655 | /* Magic alert: The firmware doesn't seem to like the MAC state being | |
656 | * toggled in promisc (aka monitor) mode. | |
657 | * (It works a number of times, but will halt eventually) | |
658 | * So we turn it of before disabling and on after enabling if needed. | |
659 | */ | |
660 | static int zd1201_enable(struct zd1201 *zd) | |
661 | { | |
662 | int err; | |
663 | ||
664 | if (zd->mac_enabled) | |
665 | return 0; | |
666 | ||
667 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0); | |
668 | if (!err) | |
669 | zd->mac_enabled = 1; | |
670 | ||
671 | if (zd->monitor) | |
672 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1); | |
673 | ||
674 | return err; | |
675 | } | |
676 | ||
677 | static int zd1201_disable(struct zd1201 *zd) | |
678 | { | |
679 | int err; | |
2a806340 | 680 | |
1da177e4 LT |
681 | if (!zd->mac_enabled) |
682 | return 0; | |
683 | if (zd->monitor) { | |
684 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); | |
685 | if (err) | |
686 | return err; | |
687 | } | |
688 | ||
689 | err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0); | |
690 | if (!err) | |
691 | zd->mac_enabled = 0; | |
692 | return err; | |
693 | } | |
694 | ||
695 | static int zd1201_mac_reset(struct zd1201 *zd) | |
696 | { | |
697 | if (!zd->mac_enabled) | |
698 | return 0; | |
699 | zd1201_disable(zd); | |
700 | return zd1201_enable(zd); | |
701 | } | |
702 | ||
703 | static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen) | |
704 | { | |
705 | int err, val; | |
706 | char buf[IW_ESSID_MAX_SIZE+2]; | |
707 | ||
708 | err = zd1201_disable(zd); | |
709 | if (err) | |
710 | return err; | |
711 | ||
712 | val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; | |
713 | val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY; | |
714 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val); | |
715 | if (err) | |
716 | return err; | |
717 | ||
718 | *(__le16 *)buf = cpu_to_le16(essidlen); | |
719 | memcpy(buf+2, essid, essidlen); | |
720 | if (!zd->ap) { /* Normal station */ | |
721 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, | |
722 | IW_ESSID_MAX_SIZE+2, 1); | |
723 | if (err) | |
724 | return err; | |
725 | } else { /* AP */ | |
726 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf, | |
727 | IW_ESSID_MAX_SIZE+2, 1); | |
728 | if (err) | |
729 | return err; | |
730 | } | |
731 | ||
732 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
733 | zd->dev->dev_addr, zd->dev->addr_len, 1); | |
734 | if (err) | |
735 | return err; | |
736 | ||
737 | err = zd1201_enable(zd); | |
738 | if (err) | |
739 | return err; | |
740 | ||
741 | msleep(100); | |
742 | return 0; | |
743 | } | |
744 | ||
745 | static int zd1201_net_open(struct net_device *dev) | |
746 | { | |
3d29b0c3 | 747 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
748 | |
749 | /* Start MAC with wildcard if no essid set */ | |
750 | if (!zd->mac_enabled) | |
751 | zd1201_join(zd, zd->essid, zd->essidlen); | |
752 | netif_start_queue(dev); | |
753 | ||
754 | return 0; | |
755 | } | |
756 | ||
757 | static int zd1201_net_stop(struct net_device *dev) | |
758 | { | |
759 | netif_stop_queue(dev); | |
1da177e4 LT |
760 | return 0; |
761 | } | |
762 | ||
763 | /* | |
764 | RFC 1042 encapsulates Ethernet frames in 802.11 frames | |
765 | by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 | |
093cf723 | 766 | (0x00, 0x00, 0x00). Zd requires an additional padding, copy |
1da177e4 LT |
767 | of ethernet addresses, length of the standard RFC 1042 packet |
768 | and a command byte (which is nul for tx). | |
769 | ||
770 | tx frame (from Wlan NG): | |
771 | RFC 1042: | |
772 | llc 0xAA 0xAA 0x03 (802.2 LLC) | |
773 | snap 0x00 0x00 0x00 (Ethernet encapsulated) | |
774 | type 2 bytes, Ethernet type field | |
775 | payload (minus eth header) | |
776 | Zydas specific: | |
777 | padding 1B if (skb->len+8+1)%64==0 | |
778 | Eth MAC addr 12 bytes, Ethernet MAC addresses | |
779 | length 2 bytes, RFC 1042 packet length | |
780 | (llc+snap+type+payload) | |
781 | zd 1 null byte, zd1201 packet type | |
782 | */ | |
d0cf9c0d SH |
783 | static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb, |
784 | struct net_device *dev) | |
1da177e4 | 785 | { |
3d29b0c3 | 786 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
787 | unsigned char *txbuf = zd->txdata; |
788 | int txbuflen, pad = 0, err; | |
789 | struct urb *urb = zd->tx_urb; | |
790 | ||
791 | if (!zd->mac_enabled || zd->monitor) { | |
22bc1ce4 | 792 | dev->stats.tx_dropped++; |
1da177e4 | 793 | kfree_skb(skb); |
6ed10654 | 794 | return NETDEV_TX_OK; |
1da177e4 LT |
795 | } |
796 | netif_stop_queue(dev); | |
797 | ||
798 | txbuflen = skb->len + 8 + 1; | |
799 | if (txbuflen%64 == 0) { | |
800 | pad = 1; | |
801 | txbuflen++; | |
802 | } | |
803 | txbuf[0] = 0xAA; | |
804 | txbuf[1] = 0xAA; | |
805 | txbuf[2] = 0x03; | |
806 | txbuf[3] = 0x00; /* rfc1042 */ | |
807 | txbuf[4] = 0x00; | |
808 | txbuf[5] = 0x00; | |
809 | ||
d626f62b | 810 | skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12); |
1da177e4 LT |
811 | if (pad) |
812 | txbuf[skb->len-12+6]=0; | |
d626f62b | 813 | skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12); |
1da177e4 LT |
814 | *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); |
815 | txbuf[txbuflen-1] = 0; | |
816 | ||
817 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), | |
818 | txbuf, txbuflen, zd1201_usbtx, zd); | |
819 | ||
820 | err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); | |
821 | if (err) { | |
22bc1ce4 | 822 | dev->stats.tx_errors++; |
1da177e4 | 823 | netif_start_queue(dev); |
4153e775 PM |
824 | } else { |
825 | dev->stats.tx_packets++; | |
826 | dev->stats.tx_bytes += skb->len; | |
1da177e4 | 827 | } |
1da177e4 LT |
828 | kfree_skb(skb); |
829 | ||
6ed10654 | 830 | return NETDEV_TX_OK; |
1da177e4 LT |
831 | } |
832 | ||
833 | static void zd1201_tx_timeout(struct net_device *dev) | |
834 | { | |
3d29b0c3 | 835 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
836 | |
837 | if (!zd) | |
838 | return; | |
839 | dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", | |
840 | dev->name); | |
1da177e4 | 841 | usb_unlink_urb(zd->tx_urb); |
22bc1ce4 | 842 | dev->stats.tx_errors++; |
1da177e4 | 843 | /* Restart the timeout to quiet the watchdog: */ |
1ae5dc34 | 844 | dev->trans_start = jiffies; /* prevent tx timeout */ |
1da177e4 LT |
845 | } |
846 | ||
847 | static int zd1201_set_mac_address(struct net_device *dev, void *p) | |
848 | { | |
849 | struct sockaddr *addr = p; | |
3d29b0c3 | 850 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
851 | int err; |
852 | ||
853 | if (!zd) | |
854 | return -ENODEV; | |
855 | ||
856 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
857 | addr->sa_data, dev->addr_len, 1); | |
858 | if (err) | |
859 | return err; | |
860 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
861 | ||
862 | return zd1201_mac_reset(zd); | |
863 | } | |
864 | ||
1da177e4 LT |
865 | static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) |
866 | { | |
3d29b0c3 | 867 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
868 | |
869 | return &zd->iwstats; | |
870 | } | |
871 | ||
872 | static void zd1201_set_multicast(struct net_device *dev) | |
873 | { | |
3d29b0c3 | 874 | struct zd1201 *zd = netdev_priv(dev); |
22bedad3 | 875 | struct netdev_hw_addr *ha; |
1da177e4 LT |
876 | unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; |
877 | int i; | |
878 | ||
4cd24eaf | 879 | if (netdev_mc_count(dev) > ZD1201_MAXMULTI) |
1da177e4 LT |
880 | return; |
881 | ||
655ffee2 | 882 | i = 0; |
22bedad3 JP |
883 | netdev_for_each_mc_addr(ha, dev) |
884 | memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN); | |
1da177e4 | 885 | zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, |
4cd24eaf | 886 | netdev_mc_count(dev) * ETH_ALEN, 0); |
1da177e4 LT |
887 | } |
888 | ||
889 | static int zd1201_config_commit(struct net_device *dev, | |
890 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
891 | { | |
3d29b0c3 | 892 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
893 | |
894 | return zd1201_mac_reset(zd); | |
895 | } | |
896 | ||
897 | static int zd1201_get_name(struct net_device *dev, | |
898 | struct iw_request_info *info, char *name, char *extra) | |
899 | { | |
900 | strcpy(name, "IEEE 802.11b"); | |
1da177e4 LT |
901 | return 0; |
902 | } | |
903 | ||
904 | static int zd1201_set_freq(struct net_device *dev, | |
905 | struct iw_request_info *info, struct iw_freq *freq, char *extra) | |
906 | { | |
3d29b0c3 | 907 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
908 | short channel = 0; |
909 | int err; | |
910 | ||
911 | if (freq->e == 0) | |
912 | channel = freq->m; | |
913 | else { | |
9ee677c2 DK |
914 | channel = ieee80211_freq_to_dsss_chan(freq->m); |
915 | if (channel < 0) | |
916 | channel = 0; | |
1da177e4 LT |
917 | } |
918 | ||
919 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); | |
920 | if (err) | |
921 | return err; | |
922 | ||
923 | zd1201_mac_reset(zd); | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | static int zd1201_get_freq(struct net_device *dev, | |
929 | struct iw_request_info *info, struct iw_freq *freq, char *extra) | |
930 | { | |
3d29b0c3 | 931 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
932 | short channel; |
933 | int err; | |
934 | ||
935 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); | |
936 | if (err) | |
937 | return err; | |
938 | freq->e = 0; | |
939 | freq->m = channel; | |
940 | ||
941 | return 0; | |
942 | } | |
943 | ||
944 | static int zd1201_set_mode(struct net_device *dev, | |
945 | struct iw_request_info *info, __u32 *mode, char *extra) | |
946 | { | |
3d29b0c3 | 947 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
948 | short porttype, monitor = 0; |
949 | unsigned char buffer[IW_ESSID_MAX_SIZE+2]; | |
950 | int err; | |
951 | ||
952 | if (zd->ap) { | |
953 | if (*mode != IW_MODE_MASTER) | |
954 | return -EINVAL; | |
955 | return 0; | |
956 | } | |
957 | ||
958 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); | |
959 | if (err) | |
960 | return err; | |
961 | zd->dev->type = ARPHRD_ETHER; | |
962 | switch(*mode) { | |
963 | case IW_MODE_MONITOR: | |
964 | monitor = 1; | |
965 | zd->dev->type = ARPHRD_IEEE80211; | |
966 | /* Make sure we are no longer associated with by | |
967 | setting an 'impossible' essid. | |
968 | (otherwise we mess up firmware) | |
969 | */ | |
970 | zd1201_join(zd, "\0-*#\0", 5); | |
971 | /* Put port in pIBSS */ | |
972 | case 8: /* No pseudo-IBSS in wireless extensions (yet) */ | |
973 | porttype = ZD1201_PORTTYPE_PSEUDOIBSS; | |
974 | break; | |
975 | case IW_MODE_ADHOC: | |
976 | porttype = ZD1201_PORTTYPE_IBSS; | |
977 | break; | |
978 | case IW_MODE_INFRA: | |
979 | porttype = ZD1201_PORTTYPE_BSS; | |
980 | break; | |
981 | default: | |
982 | return -EINVAL; | |
983 | } | |
984 | ||
985 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); | |
986 | if (err) | |
987 | return err; | |
988 | if (zd->monitor && !monitor) { | |
989 | zd1201_disable(zd); | |
990 | *(__le16 *)buffer = cpu_to_le16(zd->essidlen); | |
991 | memcpy(buffer+2, zd->essid, zd->essidlen); | |
992 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, | |
993 | buffer, IW_ESSID_MAX_SIZE+2, 1); | |
994 | if (err) | |
995 | return err; | |
996 | } | |
2a806340 | 997 | zd->monitor = monitor; |
1da177e4 LT |
998 | /* If monitor mode is set we don't actually turn it on here since it |
999 | * is done during mac reset anyway (see zd1201_mac_enable). | |
1000 | */ | |
1da177e4 LT |
1001 | zd1201_mac_reset(zd); |
1002 | ||
1003 | return 0; | |
1004 | } | |
1005 | ||
1006 | static int zd1201_get_mode(struct net_device *dev, | |
1007 | struct iw_request_info *info, __u32 *mode, char *extra) | |
1008 | { | |
3d29b0c3 | 1009 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1010 | short porttype; |
1011 | int err; | |
1012 | ||
1013 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); | |
1014 | if (err) | |
1015 | return err; | |
1016 | switch(porttype) { | |
1017 | case ZD1201_PORTTYPE_IBSS: | |
1018 | *mode = IW_MODE_ADHOC; | |
1019 | break; | |
1020 | case ZD1201_PORTTYPE_BSS: | |
1021 | *mode = IW_MODE_INFRA; | |
1022 | break; | |
1023 | case ZD1201_PORTTYPE_WDS: | |
1024 | *mode = IW_MODE_REPEAT; | |
1025 | break; | |
1026 | case ZD1201_PORTTYPE_PSEUDOIBSS: | |
1027 | *mode = 8;/* No Pseudo-IBSS... */ | |
1028 | break; | |
1029 | case ZD1201_PORTTYPE_AP: | |
1030 | *mode = IW_MODE_MASTER; | |
1031 | break; | |
1032 | default: | |
1033 | dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", | |
1034 | porttype); | |
1035 | *mode = IW_MODE_AUTO; | |
1036 | } | |
1037 | if (zd->monitor) | |
1038 | *mode = IW_MODE_MONITOR; | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static int zd1201_get_range(struct net_device *dev, | |
1044 | struct iw_request_info *info, struct iw_point *wrq, char *extra) | |
1045 | { | |
1046 | struct iw_range *range = (struct iw_range *)extra; | |
1047 | ||
1048 | wrq->length = sizeof(struct iw_range); | |
1049 | memset(range, 0, sizeof(struct iw_range)); | |
1050 | range->we_version_compiled = WIRELESS_EXT; | |
1051 | range->we_version_source = WIRELESS_EXT; | |
1052 | ||
1053 | range->max_qual.qual = 128; | |
1054 | range->max_qual.level = 128; | |
1055 | range->max_qual.noise = 128; | |
1056 | range->max_qual.updated = 7; | |
1057 | ||
1058 | range->encoding_size[0] = 5; | |
1059 | range->encoding_size[1] = 13; | |
1060 | range->num_encoding_sizes = 2; | |
1061 | range->max_encoding_tokens = ZD1201_NUMKEYS; | |
1062 | ||
1063 | range->num_bitrates = 4; | |
1064 | range->bitrate[0] = 1000000; | |
1065 | range->bitrate[1] = 2000000; | |
1066 | range->bitrate[2] = 5500000; | |
1067 | range->bitrate[3] = 11000000; | |
1068 | ||
1069 | range->min_rts = 0; | |
1070 | range->min_frag = ZD1201_FRAGMIN; | |
1071 | range->max_rts = ZD1201_RTSMAX; | |
1072 | range->min_frag = ZD1201_FRAGMAX; | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | /* Little bit of magic here: we only get the quality if we poll | |
1078 | * for it, and we never get an actual request to trigger such | |
093cf723 | 1079 | * a poll. Therefore we 'assume' that the user will soon ask for |
1da177e4 LT |
1080 | * the stats after asking the bssid. |
1081 | */ | |
1082 | static int zd1201_get_wap(struct net_device *dev, | |
1083 | struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) | |
1084 | { | |
3d29b0c3 | 1085 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1086 | unsigned char buffer[6]; |
1087 | ||
1088 | if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { | |
093cf723 | 1089 | /* Unfortunately the quality and noise reported is useless. |
1da177e4 LT |
1090 | they seem to be accumulators that increase until you |
1091 | read them, unless we poll on a fixed interval we can't | |
1092 | use them | |
1093 | */ | |
1094 | /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ | |
1095 | zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); | |
1096 | /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ | |
1097 | zd->iwstats.qual.updated = 2; | |
1098 | } | |
1099 | ||
2a806340 | 1100 | return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6); |
1da177e4 LT |
1101 | } |
1102 | ||
1103 | static int zd1201_set_scan(struct net_device *dev, | |
1104 | struct iw_request_info *info, struct iw_point *srq, char *extra) | |
1105 | { | |
1106 | /* We do everything in get_scan */ | |
1107 | return 0; | |
1108 | } | |
1109 | ||
1110 | static int zd1201_get_scan(struct net_device *dev, | |
1111 | struct iw_request_info *info, struct iw_point *srq, char *extra) | |
1112 | { | |
3d29b0c3 | 1113 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1114 | int err, i, j, enabled_save; |
1115 | struct iw_event iwe; | |
1116 | char *cev = extra; | |
1117 | char *end_buf = extra + IW_SCAN_MAX_DATA; | |
1118 | ||
1119 | /* No scanning in AP mode */ | |
1120 | if (zd->ap) | |
1121 | return -EOPNOTSUPP; | |
1122 | ||
1123 | /* Scan doesn't seem to work if disabled */ | |
1124 | enabled_save = zd->mac_enabled; | |
1125 | zd1201_enable(zd); | |
1126 | ||
1127 | zd->rxdatas = 0; | |
1128 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, | |
1129 | ZD1201_INQ_SCANRESULTS, 0, 0); | |
1130 | if (err) | |
1131 | return err; | |
1132 | ||
1133 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); | |
1134 | if (!zd->rxlen) | |
1135 | return -EIO; | |
1136 | ||
1137 | if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) | |
1138 | return -EIO; | |
1139 | ||
1140 | for(i=8; i<zd->rxlen; i+=62) { | |
1141 | iwe.cmd = SIOCGIWAP; | |
1142 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
1143 | memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); | |
ccc58057 DM |
1144 | cev = iwe_stream_add_event(info, cev, end_buf, |
1145 | &iwe, IW_EV_ADDR_LEN); | |
1da177e4 LT |
1146 | |
1147 | iwe.cmd = SIOCGIWESSID; | |
1148 | iwe.u.data.length = zd->rxdata[i+16]; | |
1149 | iwe.u.data.flags = 1; | |
ccc58057 DM |
1150 | cev = iwe_stream_add_point(info, cev, end_buf, |
1151 | &iwe, zd->rxdata+i+18); | |
1da177e4 LT |
1152 | |
1153 | iwe.cmd = SIOCGIWMODE; | |
1154 | if (zd->rxdata[i+14]&0x01) | |
1155 | iwe.u.mode = IW_MODE_MASTER; | |
1156 | else | |
1157 | iwe.u.mode = IW_MODE_ADHOC; | |
ccc58057 DM |
1158 | cev = iwe_stream_add_event(info, cev, end_buf, |
1159 | &iwe, IW_EV_UINT_LEN); | |
1da177e4 LT |
1160 | |
1161 | iwe.cmd = SIOCGIWFREQ; | |
1162 | iwe.u.freq.m = zd->rxdata[i+0]; | |
1163 | iwe.u.freq.e = 0; | |
ccc58057 DM |
1164 | cev = iwe_stream_add_event(info, cev, end_buf, |
1165 | &iwe, IW_EV_FREQ_LEN); | |
1da177e4 LT |
1166 | |
1167 | iwe.cmd = SIOCGIWRATE; | |
1168 | iwe.u.bitrate.fixed = 0; | |
1169 | iwe.u.bitrate.disabled = 0; | |
1170 | for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { | |
1171 | iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; | |
ccc58057 DM |
1172 | cev = iwe_stream_add_event(info, cev, end_buf, |
1173 | &iwe, IW_EV_PARAM_LEN); | |
1da177e4 LT |
1174 | } |
1175 | ||
1176 | iwe.cmd = SIOCGIWENCODE; | |
1177 | iwe.u.data.length = 0; | |
1178 | if (zd->rxdata[i+14]&0x10) | |
1179 | iwe.u.data.flags = IW_ENCODE_ENABLED; | |
1180 | else | |
1181 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
ccc58057 | 1182 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
1da177e4 LT |
1183 | |
1184 | iwe.cmd = IWEVQUAL; | |
1185 | iwe.u.qual.qual = zd->rxdata[i+4]; | |
1186 | iwe.u.qual.noise= zd->rxdata[i+2]/10-100; | |
1187 | iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; | |
1188 | iwe.u.qual.updated = 7; | |
ccc58057 DM |
1189 | cev = iwe_stream_add_event(info, cev, end_buf, |
1190 | &iwe, IW_EV_QUAL_LEN); | |
1da177e4 LT |
1191 | } |
1192 | ||
1193 | if (!enabled_save) | |
1194 | zd1201_disable(zd); | |
1195 | ||
1196 | srq->length = cev - extra; | |
1197 | srq->flags = 0; | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | static int zd1201_set_essid(struct net_device *dev, | |
1203 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
1204 | { | |
3d29b0c3 | 1205 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1206 | |
1207 | if (data->length > IW_ESSID_MAX_SIZE) | |
1208 | return -EINVAL; | |
1209 | if (data->length < 1) | |
1210 | data->length = 1; | |
22b99262 | 1211 | zd->essidlen = data->length; |
1da177e4 LT |
1212 | memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); |
1213 | memcpy(zd->essid, essid, data->length); | |
1214 | return zd1201_join(zd, zd->essid, zd->essidlen); | |
1215 | } | |
1216 | ||
1217 | static int zd1201_get_essid(struct net_device *dev, | |
1218 | struct iw_request_info *info, struct iw_point *data, char *essid) | |
1219 | { | |
3d29b0c3 | 1220 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1221 | |
1222 | memcpy(essid, zd->essid, zd->essidlen); | |
1223 | data->flags = 1; | |
1224 | data->length = zd->essidlen; | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
1229 | static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, | |
1230 | struct iw_point *data, char *nick) | |
1231 | { | |
1232 | strcpy(nick, "zd1201"); | |
1233 | data->flags = 1; | |
1234 | data->length = strlen(nick); | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | static int zd1201_set_rate(struct net_device *dev, | |
1239 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1240 | { | |
3d29b0c3 | 1241 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1242 | short rate; |
1243 | int err; | |
1244 | ||
1245 | switch (rrq->value) { | |
1246 | case 1000000: | |
1247 | rate = ZD1201_RATEB1; | |
1248 | break; | |
1249 | case 2000000: | |
1250 | rate = ZD1201_RATEB2; | |
1251 | break; | |
1252 | case 5500000: | |
1253 | rate = ZD1201_RATEB5; | |
1254 | break; | |
1255 | case 11000000: | |
1256 | default: | |
1257 | rate = ZD1201_RATEB11; | |
1258 | break; | |
1259 | } | |
1260 | if (!rrq->fixed) { /* Also enable all lower bitrates */ | |
1261 | rate |= rate-1; | |
1262 | } | |
2a806340 | 1263 | |
1da177e4 LT |
1264 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); |
1265 | if (err) | |
1266 | return err; | |
1267 | ||
1268 | return zd1201_mac_reset(zd); | |
1269 | } | |
1270 | ||
1271 | static int zd1201_get_rate(struct net_device *dev, | |
1272 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1273 | { | |
3d29b0c3 | 1274 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1275 | short rate; |
1276 | int err; | |
1277 | ||
1278 | err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); | |
1279 | if (err) | |
1280 | return err; | |
1281 | ||
1282 | switch(rate) { | |
1283 | case 1: | |
1284 | rrq->value = 1000000; | |
1285 | break; | |
1286 | case 2: | |
1287 | rrq->value = 2000000; | |
1288 | break; | |
1289 | case 5: | |
1290 | rrq->value = 5500000; | |
1291 | break; | |
1292 | case 11: | |
1293 | rrq->value = 11000000; | |
1294 | break; | |
1295 | default: | |
1296 | rrq->value = 0; | |
1297 | } | |
1298 | rrq->fixed = 0; | |
1299 | rrq->disabled = 0; | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, | |
1305 | struct iw_param *rts, char *extra) | |
1306 | { | |
3d29b0c3 | 1307 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1308 | int err; |
1309 | short val = rts->value; | |
1310 | ||
1311 | if (rts->disabled || !rts->fixed) | |
1312 | val = ZD1201_RTSMAX; | |
1313 | if (val > ZD1201_RTSMAX) | |
1314 | return -EINVAL; | |
1315 | if (val < 0) | |
1316 | return -EINVAL; | |
1317 | ||
1318 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); | |
1319 | if (err) | |
1320 | return err; | |
1321 | return zd1201_mac_reset(zd); | |
1322 | } | |
1323 | ||
1324 | static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, | |
1325 | struct iw_param *rts, char *extra) | |
1326 | { | |
3d29b0c3 | 1327 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1328 | short rtst; |
1329 | int err; | |
1330 | ||
1331 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); | |
1332 | if (err) | |
1333 | return err; | |
1334 | rts->value = rtst; | |
1335 | rts->disabled = (rts->value == ZD1201_RTSMAX); | |
1336 | rts->fixed = 1; | |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
1341 | static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, | |
1342 | struct iw_param *frag, char *extra) | |
1343 | { | |
3d29b0c3 | 1344 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1345 | int err; |
1346 | short val = frag->value; | |
1347 | ||
1348 | if (frag->disabled || !frag->fixed) | |
1349 | val = ZD1201_FRAGMAX; | |
1350 | if (val > ZD1201_FRAGMAX) | |
1351 | return -EINVAL; | |
1352 | if (val < ZD1201_FRAGMIN) | |
1353 | return -EINVAL; | |
1354 | if (val & 1) | |
1355 | return -EINVAL; | |
1356 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); | |
1357 | if (err) | |
1358 | return err; | |
1359 | return zd1201_mac_reset(zd); | |
1360 | } | |
1361 | ||
1362 | static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, | |
1363 | struct iw_param *frag, char *extra) | |
1364 | { | |
3d29b0c3 | 1365 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1366 | short fragt; |
1367 | int err; | |
1368 | ||
1369 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); | |
1370 | if (err) | |
1371 | return err; | |
1372 | frag->value = fragt; | |
1373 | frag->disabled = (frag->value == ZD1201_FRAGMAX); | |
1374 | frag->fixed = 1; | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int zd1201_set_retry(struct net_device *dev, | |
1380 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1381 | { | |
1382 | return 0; | |
1383 | } | |
1384 | ||
1385 | static int zd1201_get_retry(struct net_device *dev, | |
1386 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1387 | { | |
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | static int zd1201_set_encode(struct net_device *dev, | |
1392 | struct iw_request_info *info, struct iw_point *erq, char *key) | |
1393 | { | |
3d29b0c3 | 1394 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1395 | short i; |
1396 | int err, rid; | |
1397 | ||
1398 | if (erq->length > ZD1201_MAXKEYLEN) | |
1399 | return -EINVAL; | |
1400 | ||
1401 | i = (erq->flags & IW_ENCODE_INDEX)-1; | |
1402 | if (i == -1) { | |
1403 | err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); | |
1404 | if (err) | |
1405 | return err; | |
1406 | } else { | |
1407 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); | |
1408 | if (err) | |
1409 | return err; | |
1410 | } | |
1411 | ||
1412 | if (i < 0 || i >= ZD1201_NUMKEYS) | |
1413 | return -EINVAL; | |
1414 | ||
1415 | rid = ZD1201_RID_CNFDEFAULTKEY0 + i; | |
1416 | err = zd1201_setconfig(zd, rid, key, erq->length, 1); | |
1417 | if (err) | |
1418 | return err; | |
1419 | zd->encode_keylen[i] = erq->length; | |
1420 | memcpy(zd->encode_keys[i], key, erq->length); | |
1421 | ||
1422 | i=0; | |
1423 | if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { | |
1424 | i |= 0x01; | |
1425 | zd->encode_enabled = 1; | |
1426 | } else | |
1427 | zd->encode_enabled = 0; | |
1428 | if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { | |
1429 | i |= 0x02; | |
1430 | zd->encode_restricted = 1; | |
1431 | } else | |
1432 | zd->encode_restricted = 0; | |
1433 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); | |
1434 | if (err) | |
1435 | return err; | |
1436 | ||
1437 | if (zd->encode_enabled) | |
1438 | i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; | |
1439 | else | |
1440 | i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; | |
1441 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); | |
1442 | if (err) | |
1443 | return err; | |
1444 | ||
1445 | return zd1201_mac_reset(zd); | |
1446 | } | |
1447 | ||
1448 | static int zd1201_get_encode(struct net_device *dev, | |
1449 | struct iw_request_info *info, struct iw_point *erq, char *key) | |
1450 | { | |
3d29b0c3 | 1451 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1452 | short i; |
1453 | int err; | |
1454 | ||
1455 | if (zd->encode_enabled) | |
1456 | erq->flags = IW_ENCODE_ENABLED; | |
1457 | else | |
1458 | erq->flags = IW_ENCODE_DISABLED; | |
1459 | if (zd->encode_restricted) | |
1460 | erq->flags |= IW_ENCODE_RESTRICTED; | |
1461 | else | |
1462 | erq->flags |= IW_ENCODE_OPEN; | |
1463 | ||
1464 | i = (erq->flags & IW_ENCODE_INDEX) -1; | |
1465 | if (i == -1) { | |
1466 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); | |
1467 | if (err) | |
1468 | return err; | |
1469 | } | |
1470 | if (i<0 || i>= ZD1201_NUMKEYS) | |
1471 | return -EINVAL; | |
1472 | ||
1473 | erq->flags |= i+1; | |
2a806340 | 1474 | |
1da177e4 LT |
1475 | erq->length = zd->encode_keylen[i]; |
1476 | memcpy(key, zd->encode_keys[i], erq->length); | |
1477 | ||
1478 | return 0; | |
1479 | } | |
1480 | ||
1481 | static int zd1201_set_power(struct net_device *dev, | |
1482 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) | |
1483 | { | |
3d29b0c3 | 1484 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1485 | short enabled, duration, level; |
1486 | int err; | |
1487 | ||
1488 | enabled = vwrq->disabled ? 0 : 1; | |
1489 | if (enabled) { | |
1490 | if (vwrq->flags & IW_POWER_PERIOD) { | |
1491 | duration = vwrq->value; | |
1492 | err = zd1201_setconfig16(zd, | |
1493 | ZD1201_RID_CNFMAXSLEEPDURATION, duration); | |
1494 | if (err) | |
1495 | return err; | |
1496 | goto out; | |
1497 | } | |
1498 | if (vwrq->flags & IW_POWER_TIMEOUT) { | |
1499 | err = zd1201_getconfig16(zd, | |
1500 | ZD1201_RID_CNFMAXSLEEPDURATION, &duration); | |
1501 | if (err) | |
1502 | return err; | |
1503 | level = vwrq->value * 4 / duration; | |
1504 | if (level > 4) | |
1505 | level = 4; | |
1506 | if (level < 0) | |
1507 | level = 0; | |
1508 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, | |
1509 | level); | |
1510 | if (err) | |
1511 | return err; | |
1512 | goto out; | |
1513 | } | |
1514 | return -EINVAL; | |
1515 | } | |
1516 | out: | |
2a806340 | 1517 | return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); |
1da177e4 LT |
1518 | } |
1519 | ||
1520 | static int zd1201_get_power(struct net_device *dev, | |
1521 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) | |
1522 | { | |
3d29b0c3 | 1523 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1524 | short enabled, level, duration; |
1525 | int err; | |
1526 | ||
1527 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); | |
1528 | if (err) | |
1529 | return err; | |
1530 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); | |
1531 | if (err) | |
1532 | return err; | |
1533 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); | |
1534 | if (err) | |
1535 | return err; | |
1536 | vwrq->disabled = enabled ? 0 : 1; | |
1537 | if (vwrq->flags & IW_POWER_TYPE) { | |
1538 | if (vwrq->flags & IW_POWER_PERIOD) { | |
1539 | vwrq->value = duration; | |
1540 | vwrq->flags = IW_POWER_PERIOD; | |
1541 | } else { | |
1542 | vwrq->value = duration * level / 4; | |
1543 | vwrq->flags = IW_POWER_TIMEOUT; | |
1544 | } | |
1545 | } | |
1546 | if (vwrq->flags & IW_POWER_MODE) { | |
1547 | if (enabled && level) | |
1548 | vwrq->flags = IW_POWER_UNICAST_R; | |
1549 | else | |
1550 | vwrq->flags = IW_POWER_ALL_R; | |
1551 | } | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | ||
1557 | static const iw_handler zd1201_iw_handler[] = | |
1558 | { | |
1559 | (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ | |
1560 | (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ | |
1561 | (iw_handler) NULL, /* SIOCSIWNWID */ | |
1562 | (iw_handler) NULL, /* SIOCGIWNWID */ | |
1563 | (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ | |
1564 | (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ | |
1565 | (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ | |
1566 | (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ | |
1567 | (iw_handler) NULL, /* SIOCSIWSENS */ | |
1568 | (iw_handler) NULL, /* SIOCGIWSENS */ | |
1569 | (iw_handler) NULL, /* SIOCSIWRANGE */ | |
1570 | (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ | |
1571 | (iw_handler) NULL, /* SIOCSIWPRIV */ | |
1572 | (iw_handler) NULL, /* SIOCGIWPRIV */ | |
1573 | (iw_handler) NULL, /* SIOCSIWSTATS */ | |
1574 | (iw_handler) NULL, /* SIOCGIWSTATS */ | |
1575 | (iw_handler) NULL, /* SIOCSIWSPY */ | |
1576 | (iw_handler) NULL, /* SIOCGIWSPY */ | |
1577 | (iw_handler) NULL, /* -- hole -- */ | |
1578 | (iw_handler) NULL, /* -- hole -- */ | |
1579 | (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ | |
1580 | (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ | |
1581 | (iw_handler) NULL, /* -- hole -- */ | |
1582 | (iw_handler) NULL, /* SIOCGIWAPLIST */ | |
1583 | (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ | |
1584 | (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ | |
1585 | (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ | |
1586 | (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ | |
1587 | (iw_handler) NULL, /* SIOCSIWNICKN */ | |
1588 | (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ | |
1589 | (iw_handler) NULL, /* -- hole -- */ | |
1590 | (iw_handler) NULL, /* -- hole -- */ | |
1591 | (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ | |
1592 | (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ | |
1593 | (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ | |
1594 | (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ | |
1595 | (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ | |
1596 | (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ | |
1597 | (iw_handler) NULL, /* SIOCSIWTXPOW */ | |
1598 | (iw_handler) NULL, /* SIOCGIWTXPOW */ | |
1599 | (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ | |
1600 | (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ | |
1601 | (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ | |
1602 | (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ | |
1603 | (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ | |
1604 | (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ | |
1605 | }; | |
1606 | ||
1607 | static int zd1201_set_hostauth(struct net_device *dev, | |
1608 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1609 | { | |
3d29b0c3 | 1610 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1611 | |
1612 | if (!zd->ap) | |
1613 | return -EOPNOTSUPP; | |
1614 | ||
2a806340 | 1615 | return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); |
1da177e4 LT |
1616 | } |
1617 | ||
1618 | static int zd1201_get_hostauth(struct net_device *dev, | |
1619 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1620 | { | |
3d29b0c3 | 1621 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1622 | short hostauth; |
1623 | int err; | |
1624 | ||
1625 | if (!zd->ap) | |
1626 | return -EOPNOTSUPP; | |
1627 | ||
1628 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); | |
1629 | if (err) | |
1630 | return err; | |
1631 | rrq->value = hostauth; | |
1632 | rrq->fixed = 1; | |
1633 | ||
1634 | return 0; | |
1635 | } | |
1636 | ||
1637 | static int zd1201_auth_sta(struct net_device *dev, | |
1638 | struct iw_request_info *info, struct sockaddr *sta, char *extra) | |
1639 | { | |
3d29b0c3 | 1640 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1641 | unsigned char buffer[10]; |
1642 | ||
1643 | if (!zd->ap) | |
1644 | return -EOPNOTSUPP; | |
1645 | ||
1646 | memcpy(buffer, sta->sa_data, ETH_ALEN); | |
1647 | *(short*)(buffer+6) = 0; /* 0==success, 1==failure */ | |
1648 | *(short*)(buffer+8) = 0; | |
1649 | ||
1650 | return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); | |
1651 | } | |
1652 | ||
1653 | static int zd1201_set_maxassoc(struct net_device *dev, | |
1654 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1655 | { | |
3d29b0c3 | 1656 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1657 | int err; |
1658 | ||
1659 | if (!zd->ap) | |
1660 | return -EOPNOTSUPP; | |
1661 | ||
1662 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value); | |
1663 | if (err) | |
1664 | return err; | |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int zd1201_get_maxassoc(struct net_device *dev, | |
1669 | struct iw_request_info *info, struct iw_param *rrq, char *extra) | |
1670 | { | |
3d29b0c3 | 1671 | struct zd1201 *zd = netdev_priv(dev); |
1da177e4 LT |
1672 | short maxassoc; |
1673 | int err; | |
1674 | ||
1675 | if (!zd->ap) | |
1676 | return -EOPNOTSUPP; | |
1677 | ||
1678 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); | |
1679 | if (err) | |
1680 | return err; | |
1681 | rrq->value = maxassoc; | |
1682 | rrq->fixed = 1; | |
1683 | ||
1684 | return 0; | |
1685 | } | |
1686 | ||
1687 | static const iw_handler zd1201_private_handler[] = { | |
1688 | (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ | |
1689 | (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ | |
1690 | (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ | |
1691 | (iw_handler) NULL, /* nothing to get */ | |
1692 | (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ | |
1693 | (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ | |
1694 | }; | |
1695 | ||
1696 | static const struct iw_priv_args zd1201_private_args[] = { | |
1697 | { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, | |
1698 | IW_PRIV_TYPE_NONE, "sethostauth" }, | |
1699 | { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, | |
1700 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, | |
52950ed4 | 1701 | { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, |
1da177e4 LT |
1702 | IW_PRIV_TYPE_NONE, "authstation" }, |
1703 | { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, | |
1704 | IW_PRIV_TYPE_NONE, "setmaxassoc" }, | |
1705 | { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, | |
1706 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, | |
1707 | }; | |
1708 | ||
1709 | static const struct iw_handler_def zd1201_iw_handlers = { | |
52950ed4 TK |
1710 | .num_standard = ARRAY_SIZE(zd1201_iw_handler), |
1711 | .num_private = ARRAY_SIZE(zd1201_private_handler), | |
1712 | .num_private_args = ARRAY_SIZE(zd1201_private_args), | |
1da177e4 LT |
1713 | .standard = (iw_handler *)zd1201_iw_handler, |
1714 | .private = (iw_handler *)zd1201_private_handler, | |
1715 | .private_args = (struct iw_priv_args *) zd1201_private_args, | |
00736025 | 1716 | .get_wireless_stats = zd1201_get_wireless_stats, |
1da177e4 LT |
1717 | }; |
1718 | ||
2bd9f54d SH |
1719 | static const struct net_device_ops zd1201_netdev_ops = { |
1720 | .ndo_open = zd1201_net_open, | |
1721 | .ndo_stop = zd1201_net_stop, | |
1722 | .ndo_start_xmit = zd1201_hard_start_xmit, | |
1723 | .ndo_tx_timeout = zd1201_tx_timeout, | |
afc4b13d | 1724 | .ndo_set_rx_mode = zd1201_set_multicast, |
2bd9f54d SH |
1725 | .ndo_set_mac_address = zd1201_set_mac_address, |
1726 | .ndo_change_mtu = eth_change_mtu, | |
2bd9f54d SH |
1727 | .ndo_validate_addr = eth_validate_addr, |
1728 | }; | |
1729 | ||
2e0a6b8c AB |
1730 | static int zd1201_probe(struct usb_interface *interface, |
1731 | const struct usb_device_id *id) | |
1da177e4 LT |
1732 | { |
1733 | struct zd1201 *zd; | |
3d29b0c3 | 1734 | struct net_device *dev; |
1da177e4 | 1735 | struct usb_device *usb; |
2a806340 | 1736 | int err; |
1da177e4 LT |
1737 | short porttype; |
1738 | char buf[IW_ESSID_MAX_SIZE+2]; | |
1739 | ||
1740 | usb = interface_to_usbdev(interface); | |
1741 | ||
3d29b0c3 JL |
1742 | dev = alloc_etherdev(sizeof(*zd)); |
1743 | if (!dev) | |
1da177e4 | 1744 | return -ENOMEM; |
3d29b0c3 JL |
1745 | zd = netdev_priv(dev); |
1746 | zd->dev = dev; | |
1747 | ||
1da177e4 LT |
1748 | zd->ap = ap; |
1749 | zd->usb = usb; | |
1750 | zd->removed = 0; | |
1751 | init_waitqueue_head(&zd->rxdataq); | |
1752 | INIT_HLIST_HEAD(&zd->fraglist); | |
1753 | ||
1754 | err = zd1201_fw_upload(usb, zd->ap); | |
1755 | if (err) { | |
1756 | dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); | |
1757 | goto err_zd; | |
1758 | } | |
1759 | ||
1760 | zd->endp_in = 1; | |
1761 | zd->endp_out = 1; | |
1762 | zd->endp_out2 = 2; | |
1763 | zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1764 | zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1765 | if (!zd->rx_urb || !zd->tx_urb) | |
1766 | goto err_zd; | |
1767 | ||
2a806340 | 1768 | mdelay(100); |
1da177e4 LT |
1769 | err = zd1201_drvr_start(zd); |
1770 | if (err) | |
1771 | goto err_zd; | |
1772 | ||
1773 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); | |
1774 | if (err) | |
1775 | goto err_start; | |
1776 | ||
1777 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, | |
1778 | ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); | |
1779 | if (err) | |
1780 | goto err_start; | |
1781 | ||
2bd9f54d | 1782 | dev->netdev_ops = &zd1201_netdev_ops; |
22bc1ce4 | 1783 | dev->wireless_handlers = &zd1201_iw_handlers; |
3d29b0c3 | 1784 | dev->watchdog_timeo = ZD1201_TX_TIMEOUT; |
3d29b0c3 | 1785 | strcpy(dev->name, "wlan%d"); |
1da177e4 LT |
1786 | |
1787 | err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, | |
3d29b0c3 | 1788 | dev->dev_addr, dev->addr_len); |
1da177e4 | 1789 | if (err) |
3d29b0c3 | 1790 | goto err_start; |
1da177e4 LT |
1791 | |
1792 | /* Set wildcard essid to match zd->essid */ | |
1793 | *(__le16 *)buf = cpu_to_le16(0); | |
1794 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, | |
1795 | IW_ESSID_MAX_SIZE+2, 1); | |
1796 | if (err) | |
3d29b0c3 | 1797 | goto err_start; |
1da177e4 LT |
1798 | |
1799 | if (zd->ap) | |
1800 | porttype = ZD1201_PORTTYPE_AP; | |
1801 | else | |
1802 | porttype = ZD1201_PORTTYPE_BSS; | |
1803 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); | |
1804 | if (err) | |
3d29b0c3 | 1805 | goto err_start; |
1da177e4 | 1806 | |
3d29b0c3 | 1807 | SET_NETDEV_DEV(dev, &usb->dev); |
a083dec0 | 1808 | |
3d29b0c3 | 1809 | err = register_netdev(dev); |
1da177e4 | 1810 | if (err) |
3d29b0c3 | 1811 | goto err_start; |
1da177e4 | 1812 | dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", |
3d29b0c3 | 1813 | dev->name); |
2a806340 | 1814 | |
1da177e4 | 1815 | usb_set_intfdata(interface, zd); |
d91928e9 PM |
1816 | zd1201_enable(zd); /* zd1201 likes to startup enabled, */ |
1817 | zd1201_disable(zd); /* interfering with all the wifis in range */ | |
1da177e4 LT |
1818 | return 0; |
1819 | ||
1da177e4 LT |
1820 | err_start: |
1821 | /* Leave the device in reset state */ | |
1822 | zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); | |
1823 | err_zd: | |
f988f272 MK |
1824 | usb_free_urb(zd->tx_urb); |
1825 | usb_free_urb(zd->rx_urb); | |
3d29b0c3 | 1826 | free_netdev(dev); |
1da177e4 LT |
1827 | return err; |
1828 | } | |
1829 | ||
2e0a6b8c | 1830 | static void zd1201_disconnect(struct usb_interface *interface) |
1da177e4 | 1831 | { |
b2767363 | 1832 | struct zd1201 *zd = usb_get_intfdata(interface); |
b67bfe0d | 1833 | struct hlist_node *node2; |
1da177e4 LT |
1834 | struct zd1201_frag *frag; |
1835 | ||
1836 | if (!zd) | |
1837 | return; | |
1838 | usb_set_intfdata(interface, NULL); | |
1da177e4 | 1839 | |
b67bfe0d | 1840 | hlist_for_each_entry_safe(frag, node2, &zd->fraglist, fnode) { |
1da177e4 LT |
1841 | hlist_del_init(&frag->fnode); |
1842 | kfree_skb(frag->skb); | |
1843 | kfree(frag); | |
1844 | } | |
1845 | ||
1846 | if (zd->tx_urb) { | |
1847 | usb_kill_urb(zd->tx_urb); | |
1848 | usb_free_urb(zd->tx_urb); | |
1849 | } | |
1850 | if (zd->rx_urb) { | |
1851 | usb_kill_urb(zd->rx_urb); | |
1852 | usb_free_urb(zd->rx_urb); | |
1853 | } | |
b88a2a22 WC |
1854 | |
1855 | if (zd->dev) { | |
1856 | unregister_netdev(zd->dev); | |
1857 | free_netdev(zd->dev); | |
1858 | } | |
1da177e4 LT |
1859 | } |
1860 | ||
a3c900bb CL |
1861 | #ifdef CONFIG_PM |
1862 | ||
1863 | static int zd1201_suspend(struct usb_interface *interface, | |
1864 | pm_message_t message) | |
1865 | { | |
1866 | struct zd1201 *zd = usb_get_intfdata(interface); | |
1867 | ||
1868 | netif_device_detach(zd->dev); | |
1869 | ||
1870 | zd->was_enabled = zd->mac_enabled; | |
1871 | ||
1872 | if (zd->was_enabled) | |
1873 | return zd1201_disable(zd); | |
1874 | else | |
1875 | return 0; | |
1876 | } | |
1877 | ||
1878 | static int zd1201_resume(struct usb_interface *interface) | |
1879 | { | |
1880 | struct zd1201 *zd = usb_get_intfdata(interface); | |
1881 | ||
f58f97fa CL |
1882 | if (!zd || !zd->dev) |
1883 | return -ENODEV; | |
1884 | ||
a3c900bb CL |
1885 | netif_device_attach(zd->dev); |
1886 | ||
1887 | if (zd->was_enabled) | |
1888 | return zd1201_enable(zd); | |
1889 | else | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | #else | |
1894 | ||
1895 | #define zd1201_suspend NULL | |
1896 | #define zd1201_resume NULL | |
1897 | ||
1898 | #endif | |
1899 | ||
2e0a6b8c | 1900 | static struct usb_driver zd1201_usb = { |
1da177e4 LT |
1901 | .name = "zd1201", |
1902 | .probe = zd1201_probe, | |
1903 | .disconnect = zd1201_disconnect, | |
1904 | .id_table = zd1201_table, | |
a3c900bb CL |
1905 | .suspend = zd1201_suspend, |
1906 | .resume = zd1201_resume, | |
e1f12eb6 | 1907 | .disable_hub_initiated_lpm = 1, |
1da177e4 LT |
1908 | }; |
1909 | ||
d632eb1b | 1910 | module_usb_driver(zd1201_usb); |