Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 48 | static int zd1201_fw_upload(struct usb_device *dev, int apfw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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: |
Jesper Juhl | 1bc3c9e | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 109 | kfree(buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | release_firmware(fw_entry); |
| 111 | return err; |
| 112 | } |
| 113 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 114 | static void zd1201_usbfree(struct urb *urb, struct pt_regs *regs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 145 | static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, |
| 146 | int parm1, int parm2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 179 | static void zd1201_usbtx(struct urb *urb, struct pt_regs *regs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | { |
| 181 | struct zd1201 *zd = urb->context; |
| 182 | netif_wake_queue(zd->dev); |
| 183 | return; |
| 184 | } |
| 185 | |
| 186 | /* Incomming data */ |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 187 | static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 617 | static int zd1201_drvr_start(struct zd1201 *zd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| 775 | (0x00, 0x00, 0x00). Zd requires an additionnal padding, copy |
| 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 |
| 1101 | * a poll. Therefore we 'asume' that the user will soon ask for |
| 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)) { |
| 1111 | /* Unfortunatly the quality and noise reported is useless. |
| 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 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 1743 | static int zd1201_probe(struct usb_interface *interface, |
| 1744 | const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 1856 | static void zd1201_disconnect(struct usb_interface *interface) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Adrian Bunk | 2e0a6b8 | 2005-04-22 15:07:01 -0700 | [diff] [blame] | 1887 | static struct usb_driver zd1201_usb = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |