| 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/slab.h> |
| 18 | #include <linux/netdevice.h> |
| 19 | #include <linux/etherdevice.h> |
| 20 | #include <linux/wireless.h> |
| 21 | #include <linux/ieee80211.h> |
| 22 | #include <net/iw_handler.h> |
| 23 | #include <linux/string.h> |
| 24 | #include <linux/if_arp.h> |
| 25 | #include <linux/firmware.h> |
| 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 */ |
| 33 | {USB_DEVICE(0x1044, 0x8004)}, /* Gigabyte GN-WLBZ101 */ |
| 34 | {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ |
| 35 | {} |
| 36 | }; |
| 37 | |
| 38 | static int ap; /* Are we an AP or a normal station? */ |
| 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 | |
| 51 | static int zd1201_fw_upload(struct usb_device *dev, int apfw) |
| 52 | { |
| 53 | const struct firmware *fw_entry; |
| 54 | const char *data; |
| 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"); |
| 70 | dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n"); |
| 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; |
| 99 | |
| 100 | err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, |
| 101 | USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT); |
| 102 | if (err < 0) |
| 103 | goto exit; |
| 104 | |
| 105 | memcpy(&ret, buf, sizeof(ret)); |
| 106 | |
| 107 | if (ret & 0x80) { |
| 108 | err = -EIO; |
| 109 | goto exit; |
| 110 | } |
| 111 | |
| 112 | err = 0; |
| 113 | exit: |
| 114 | kfree(buf); |
| 115 | release_firmware(fw_entry); |
| 116 | return err; |
| 117 | } |
| 118 | |
| 119 | MODULE_FIRMWARE("zd1201-ap.fw"); |
| 120 | MODULE_FIRMWARE("zd1201.fw"); |
| 121 | |
| 122 | static void zd1201_usbfree(struct urb *urb) |
| 123 | { |
| 124 | struct zd1201 *zd = urb->context; |
| 125 | |
| 126 | switch(urb->status) { |
| 127 | case -EILSEQ: |
| 128 | case -ENODEV: |
| 129 | case -ETIME: |
| 130 | case -ENOENT: |
| 131 | case -EPIPE: |
| 132 | case -EOVERFLOW: |
| 133 | case -ESHUTDOWN: |
| 134 | dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", |
| 135 | zd->dev->name, urb->status); |
| 136 | } |
| 137 | |
| 138 | kfree(urb->transfer_buffer); |
| 139 | usb_free_urb(urb); |
| 140 | } |
| 141 | |
| 142 | /* cmdreq message: |
| 143 | u32 type |
| 144 | u16 cmd |
| 145 | u16 parm0 |
| 146 | u16 parm1 |
| 147 | u16 parm2 |
| 148 | u8 pad[4] |
| 149 | |
| 150 | total: 4 + 2 + 2 + 2 + 2 + 4 = 16 |
| 151 | */ |
| 152 | static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, |
| 153 | int parm1, int parm2) |
| 154 | { |
| 155 | unsigned char *command; |
| 156 | int ret; |
| 157 | struct urb *urb; |
| 158 | |
| 159 | command = kmalloc(16, GFP_ATOMIC); |
| 160 | if (!command) |
| 161 | return -ENOMEM; |
| 162 | |
| 163 | *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); |
| 164 | *((__le16*)&command[4]) = cpu_to_le16(cmd); |
| 165 | *((__le16*)&command[6]) = cpu_to_le16(parm0); |
| 166 | *((__le16*)&command[8]) = cpu_to_le16(parm1); |
| 167 | *((__le16*)&command[10])= cpu_to_le16(parm2); |
| 168 | |
| 169 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 170 | if (!urb) { |
| 171 | kfree(command); |
| 172 | return -ENOMEM; |
| 173 | } |
| 174 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), |
| 175 | command, 16, zd1201_usbfree, zd); |
| 176 | ret = usb_submit_urb(urb, GFP_ATOMIC); |
| 177 | if (ret) { |
| 178 | kfree(command); |
| 179 | usb_free_urb(urb); |
| 180 | } |
| 181 | |
| 182 | return ret; |
| 183 | } |
| 184 | |
| 185 | /* Callback after sending out a packet */ |
| 186 | static void zd1201_usbtx(struct urb *urb) |
| 187 | { |
| 188 | struct zd1201 *zd = urb->context; |
| 189 | netif_wake_queue(zd->dev); |
| 190 | } |
| 191 | |
| 192 | /* Incoming data */ |
| 193 | static void zd1201_usbrx(struct urb *urb) |
| 194 | { |
| 195 | struct zd1201 *zd = urb->context; |
| 196 | int free = 0; |
| 197 | unsigned char *data = urb->transfer_buffer; |
| 198 | struct sk_buff *skb; |
| 199 | unsigned char type; |
| 200 | |
| 201 | if (!zd) |
| 202 | return; |
| 203 | |
| 204 | switch(urb->status) { |
| 205 | case -EILSEQ: |
| 206 | case -ENODEV: |
| 207 | case -ETIME: |
| 208 | case -ENOENT: |
| 209 | case -EPIPE: |
| 210 | case -EOVERFLOW: |
| 211 | case -ESHUTDOWN: |
| 212 | dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", |
| 213 | zd->dev->name, urb->status); |
| 214 | free = 1; |
| 215 | goto exit; |
| 216 | } |
| 217 | |
| 218 | if (urb->status != 0 || urb->actual_length == 0) |
| 219 | goto resubmit; |
| 220 | |
| 221 | type = data[0]; |
| 222 | if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) { |
| 223 | memcpy(zd->rxdata, data, urb->actual_length); |
| 224 | zd->rxlen = urb->actual_length; |
| 225 | zd->rxdatas = 1; |
| 226 | wake_up(&zd->rxdataq); |
| 227 | } |
| 228 | /* Info frame */ |
| 229 | if (type == ZD1201_PACKET_INQUIRE) { |
| 230 | int i = 0; |
| 231 | unsigned short infotype, framelen, copylen; |
| 232 | framelen = le16_to_cpu(*(__le16*)&data[4]); |
| 233 | infotype = le16_to_cpu(*(__le16*)&data[6]); |
| 234 | |
| 235 | if (infotype == ZD1201_INF_LINKSTATUS) { |
| 236 | short linkstatus; |
| 237 | |
| 238 | linkstatus = le16_to_cpu(*(__le16*)&data[8]); |
| 239 | switch(linkstatus) { |
| 240 | case 1: |
| 241 | netif_carrier_on(zd->dev); |
| 242 | break; |
| 243 | case 2: |
| 244 | netif_carrier_off(zd->dev); |
| 245 | break; |
| 246 | case 3: |
| 247 | netif_carrier_off(zd->dev); |
| 248 | break; |
| 249 | case 4: |
| 250 | netif_carrier_on(zd->dev); |
| 251 | break; |
| 252 | default: |
| 253 | netif_carrier_off(zd->dev); |
| 254 | } |
| 255 | goto resubmit; |
| 256 | } |
| 257 | if (infotype == ZD1201_INF_ASSOCSTATUS) { |
| 258 | short status = le16_to_cpu(*(__le16*)(data+8)); |
| 259 | int event; |
| 260 | union iwreq_data wrqu; |
| 261 | |
| 262 | switch (status) { |
| 263 | case ZD1201_ASSOCSTATUS_STAASSOC: |
| 264 | case ZD1201_ASSOCSTATUS_REASSOC: |
| 265 | event = IWEVREGISTERED; |
| 266 | break; |
| 267 | case ZD1201_ASSOCSTATUS_DISASSOC: |
| 268 | case ZD1201_ASSOCSTATUS_ASSOCFAIL: |
| 269 | case ZD1201_ASSOCSTATUS_AUTHFAIL: |
| 270 | default: |
| 271 | event = IWEVEXPIRED; |
| 272 | } |
| 273 | memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); |
| 274 | wrqu.addr.sa_family = ARPHRD_ETHER; |
| 275 | |
| 276 | /* Send event to user space */ |
| 277 | wireless_send_event(zd->dev, event, &wrqu, NULL); |
| 278 | |
| 279 | goto resubmit; |
| 280 | } |
| 281 | if (infotype == ZD1201_INF_AUTHREQ) { |
| 282 | union iwreq_data wrqu; |
| 283 | |
| 284 | memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN); |
| 285 | wrqu.addr.sa_family = ARPHRD_ETHER; |
| 286 | /* There isn't a event that trully fits this request. |
| 287 | We assume that userspace will be smart enough to |
| 288 | see a new station being expired and sends back a |
| 289 | authstation ioctl to authorize it. */ |
| 290 | wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL); |
| 291 | goto resubmit; |
| 292 | } |
| 293 | /* Other infotypes are handled outside this handler */ |
| 294 | zd->rxlen = 0; |
| 295 | while (i < urb->actual_length) { |
| 296 | copylen = le16_to_cpu(*(__le16*)&data[i+2]); |
| 297 | /* Sanity check, sometimes we get junk */ |
| 298 | if (copylen+zd->rxlen > sizeof(zd->rxdata)) |
| 299 | break; |
| 300 | memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); |
| 301 | zd->rxlen += copylen; |
| 302 | i += 64; |
| 303 | } |
| 304 | if (i >= urb->actual_length) { |
| 305 | zd->rxdatas = 1; |
| 306 | wake_up(&zd->rxdataq); |
| 307 | } |
| 308 | goto resubmit; |
| 309 | } |
| 310 | /* Actual data */ |
| 311 | if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { |
| 312 | int datalen = urb->actual_length-1; |
| 313 | unsigned short len, fc, seq; |
| 314 | |
| 315 | len = ntohs(*(__be16 *)&data[datalen-2]); |
| 316 | if (len>datalen) |
| 317 | len=datalen; |
| 318 | fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); |
| 319 | seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); |
| 320 | |
| 321 | if (zd->monitor) { |
| 322 | if (datalen < 24) |
| 323 | goto resubmit; |
| 324 | if (!(skb = dev_alloc_skb(datalen+24))) |
| 325 | goto resubmit; |
| 326 | |
| 327 | memcpy(skb_put(skb, 2), &data[datalen-16], 2); |
| 328 | memcpy(skb_put(skb, 2), &data[datalen-2], 2); |
| 329 | memcpy(skb_put(skb, 6), &data[datalen-14], 6); |
| 330 | memcpy(skb_put(skb, 6), &data[datalen-22], 6); |
| 331 | memcpy(skb_put(skb, 6), &data[datalen-8], 6); |
| 332 | memcpy(skb_put(skb, 2), &data[datalen-24], 2); |
| 333 | memcpy(skb_put(skb, len), data, len); |
| 334 | skb->protocol = eth_type_trans(skb, zd->dev); |
| 335 | zd->dev->stats.rx_packets++; |
| 336 | zd->dev->stats.rx_bytes += skb->len; |
| 337 | netif_rx(skb); |
| 338 | goto resubmit; |
| 339 | } |
| 340 | |
| 341 | if ((seq & IEEE80211_SCTL_FRAG) || |
| 342 | (fc & IEEE80211_FCTL_MOREFRAGS)) { |
| 343 | struct zd1201_frag *frag = NULL; |
| 344 | char *ptr; |
| 345 | |
| 346 | if (datalen<14) |
| 347 | goto resubmit; |
| 348 | if ((seq & IEEE80211_SCTL_FRAG) == 0) { |
| 349 | frag = kmalloc(sizeof(*frag), GFP_ATOMIC); |
| 350 | if (!frag) |
| 351 | goto resubmit; |
| 352 | skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2); |
| 353 | if (!skb) { |
| 354 | kfree(frag); |
| 355 | goto resubmit; |
| 356 | } |
| 357 | frag->skb = skb; |
| 358 | frag->seq = seq & IEEE80211_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, &zd->fraglist, fnode) |
| 367 | if (frag->seq == (seq&IEEE80211_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 & IEEE80211_FCTL_MOREFRAGS) |
| 376 | goto resubmit; |
| 377 | hlist_del_init(&frag->fnode); |
| 378 | kfree(frag); |
| 379 | } else { |
| 380 | if (datalen<14) |
| 381 | goto resubmit; |
| 382 | skb = dev_alloc_skb(len + 14 + 2); |
| 383 | if (!skb) |
| 384 | goto resubmit; |
| 385 | skb_reserve(skb, 2); |
| 386 | memcpy(skb_put(skb, 12), &data[datalen-14], 12); |
| 387 | memcpy(skb_put(skb, 2), &data[6], 2); |
| 388 | memcpy(skb_put(skb, len), data+8, len); |
| 389 | } |
| 390 | skb->protocol = eth_type_trans(skb, zd->dev); |
| 391 | zd->dev->stats.rx_packets++; |
| 392 | zd->dev->stats.rx_bytes += skb->len; |
| 393 | netif_rx(skb); |
| 394 | } |
| 395 | resubmit: |
| 396 | memset(data, 0, ZD1201_RXSIZE); |
| 397 | |
| 398 | urb->status = 0; |
| 399 | urb->dev = zd->usb; |
| 400 | if(usb_submit_urb(urb, GFP_ATOMIC)) |
| 401 | free = 1; |
| 402 | |
| 403 | exit: |
| 404 | if (free) { |
| 405 | zd->rxlen = 0; |
| 406 | zd->rxdatas = 1; |
| 407 | wake_up(&zd->rxdataq); |
| 408 | kfree(urb->transfer_buffer); |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, |
| 413 | unsigned int riddatalen) |
| 414 | { |
| 415 | int err; |
| 416 | int i = 0; |
| 417 | int code; |
| 418 | int rid_fid; |
| 419 | int length; |
| 420 | unsigned char *pdata; |
| 421 | |
| 422 | zd->rxdatas = 0; |
| 423 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); |
| 424 | if (err) |
| 425 | return err; |
| 426 | |
| 427 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
| 428 | if (!zd->rxlen) |
| 429 | return -EIO; |
| 430 | |
| 431 | code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); |
| 432 | rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); |
| 433 | length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); |
| 434 | if (length > zd->rxlen) |
| 435 | length = zd->rxlen-6; |
| 436 | |
| 437 | /* If access bit is not on, then error */ |
| 438 | if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) |
| 439 | return -EINVAL; |
| 440 | |
| 441 | /* Not enough buffer for allocating data */ |
| 442 | if (riddatalen != (length - 4)) { |
| 443 | dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n", |
| 444 | riddatalen, zd->rxlen, length, rid, rid_fid); |
| 445 | return -ENODATA; |
| 446 | } |
| 447 | |
| 448 | zd->rxdatas = 0; |
| 449 | /* Issue SetRxRid commnd */ |
| 450 | err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length); |
| 451 | if (err) |
| 452 | return err; |
| 453 | |
| 454 | /* Receive RID record from resource packets */ |
| 455 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
| 456 | if (!zd->rxlen) |
| 457 | return -EIO; |
| 458 | |
| 459 | if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) { |
| 460 | dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n", |
| 461 | zd->rxdata[zd->rxlen-1]); |
| 462 | return -EINVAL; |
| 463 | } |
| 464 | |
| 465 | /* Set the data pointer and received data length */ |
| 466 | pdata = zd->rxdata; |
| 467 | length = zd->rxlen; |
| 468 | |
| 469 | do { |
| 470 | int actual_length; |
| 471 | |
| 472 | actual_length = (length > 64) ? 64 : length; |
| 473 | |
| 474 | if (pdata[0] != 0x3) { |
| 475 | dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", |
| 476 | pdata[0]); |
| 477 | return -EINVAL; |
| 478 | } |
| 479 | |
| 480 | if (actual_length != 64) { |
| 481 | /* Trim the last packet type byte */ |
| 482 | actual_length--; |
| 483 | } |
| 484 | |
| 485 | /* Skip the 4 bytes header (RID length and RID) */ |
| 486 | if (i == 0) { |
| 487 | pdata += 8; |
| 488 | actual_length -= 8; |
| 489 | } else { |
| 490 | pdata += 4; |
| 491 | actual_length -= 4; |
| 492 | } |
| 493 | |
| 494 | memcpy(riddata, pdata, actual_length); |
| 495 | riddata += actual_length; |
| 496 | pdata += actual_length; |
| 497 | length -= 64; |
| 498 | i++; |
| 499 | } while (length > 0); |
| 500 | |
| 501 | return 0; |
| 502 | } |
| 503 | |
| 504 | /* |
| 505 | * resreq: |
| 506 | * byte type |
| 507 | * byte sequence |
| 508 | * u16 reserved |
| 509 | * byte data[12] |
| 510 | * total: 16 |
| 511 | */ |
| 512 | static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait) |
| 513 | { |
| 514 | int err; |
| 515 | unsigned char *request; |
| 516 | int reqlen; |
| 517 | char seq=0; |
| 518 | struct urb *urb; |
| 519 | gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC; |
| 520 | |
| 521 | len += 4; /* first 4 are for header */ |
| 522 | |
| 523 | zd->rxdatas = 0; |
| 524 | zd->rxlen = 0; |
| 525 | for (seq=0; len > 0; seq++) { |
| 526 | request = kmalloc(16, gfp_mask); |
| 527 | if (!request) |
| 528 | return -ENOMEM; |
| 529 | urb = usb_alloc_urb(0, gfp_mask); |
| 530 | if (!urb) { |
| 531 | kfree(request); |
| 532 | return -ENOMEM; |
| 533 | } |
| 534 | memset(request, 0, 16); |
| 535 | reqlen = len>12 ? 12 : len; |
| 536 | request[0] = ZD1201_USB_RESREQ; |
| 537 | request[1] = seq; |
| 538 | request[2] = 0; |
| 539 | request[3] = 0; |
| 540 | if (request[1] == 0) { |
| 541 | /* add header */ |
| 542 | *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2); |
| 543 | *(__le16*)&request[6] = cpu_to_le16(rid); |
| 544 | memcpy(request+8, buf, reqlen-4); |
| 545 | buf += reqlen-4; |
| 546 | } else { |
| 547 | memcpy(request+4, buf, reqlen); |
| 548 | buf += reqlen; |
| 549 | } |
| 550 | |
| 551 | len -= reqlen; |
| 552 | |
| 553 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, |
| 554 | zd->endp_out2), request, 16, zd1201_usbfree, zd); |
| 555 | err = usb_submit_urb(urb, gfp_mask); |
| 556 | if (err) |
| 557 | goto err; |
| 558 | } |
| 559 | |
| 560 | request = kmalloc(16, gfp_mask); |
| 561 | if (!request) |
| 562 | return -ENOMEM; |
| 563 | urb = usb_alloc_urb(0, gfp_mask); |
| 564 | if (!urb) { |
| 565 | kfree(request); |
| 566 | return -ENOMEM; |
| 567 | } |
| 568 | *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ); |
| 569 | *((__le16*)&request[4]) = |
| 570 | cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT); |
| 571 | *((__le16*)&request[6]) = cpu_to_le16(rid); |
| 572 | *((__le16*)&request[8]) = cpu_to_le16(0); |
| 573 | *((__le16*)&request[10]) = cpu_to_le16(0); |
| 574 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), |
| 575 | request, 16, zd1201_usbfree, zd); |
| 576 | err = usb_submit_urb(urb, gfp_mask); |
| 577 | if (err) |
| 578 | goto err; |
| 579 | |
| 580 | if (wait) { |
| 581 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
| 582 | if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) { |
| 583 | dev_dbg(&zd->usb->dev, "wrong or no RID received\n"); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | return 0; |
| 588 | err: |
| 589 | kfree(request); |
| 590 | usb_free_urb(urb); |
| 591 | return err; |
| 592 | } |
| 593 | |
| 594 | static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val) |
| 595 | { |
| 596 | int err; |
| 597 | __le16 zdval; |
| 598 | |
| 599 | err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16)); |
| 600 | if (err) |
| 601 | return err; |
| 602 | *val = le16_to_cpu(zdval); |
| 603 | return 0; |
| 604 | } |
| 605 | |
| 606 | static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val) |
| 607 | { |
| 608 | __le16 zdval = cpu_to_le16(val); |
| 609 | return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1)); |
| 610 | } |
| 611 | |
| 612 | static int zd1201_drvr_start(struct zd1201 *zd) |
| 613 | { |
| 614 | int err, i; |
| 615 | short max; |
| 616 | __le16 zdmax; |
| 617 | unsigned char *buffer; |
| 618 | |
| 619 | buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL); |
| 620 | if (!buffer) |
| 621 | return -ENOMEM; |
| 622 | |
| 623 | usb_fill_bulk_urb(zd->rx_urb, zd->usb, |
| 624 | usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE, |
| 625 | zd1201_usbrx, zd); |
| 626 | |
| 627 | err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); |
| 628 | if (err) |
| 629 | goto err_buffer; |
| 630 | |
| 631 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
| 632 | if (err) |
| 633 | goto err_urb; |
| 634 | |
| 635 | err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax, |
| 636 | sizeof(__le16)); |
| 637 | if (err) |
| 638 | goto err_urb; |
| 639 | |
| 640 | max = le16_to_cpu(zdmax); |
| 641 | for (i=0; i<max; i++) { |
| 642 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0); |
| 643 | if (err) |
| 644 | goto err_urb; |
| 645 | } |
| 646 | |
| 647 | return 0; |
| 648 | |
| 649 | err_urb: |
| 650 | usb_kill_urb(zd->rx_urb); |
| 651 | return err; |
| 652 | err_buffer: |
| 653 | kfree(buffer); |
| 654 | return err; |
| 655 | } |
| 656 | |
| 657 | /* Magic alert: The firmware doesn't seem to like the MAC state being |
| 658 | * toggled in promisc (aka monitor) mode. |
| 659 | * (It works a number of times, but will halt eventually) |
| 660 | * So we turn it of before disabling and on after enabling if needed. |
| 661 | */ |
| 662 | static int zd1201_enable(struct zd1201 *zd) |
| 663 | { |
| 664 | int err; |
| 665 | |
| 666 | if (zd->mac_enabled) |
| 667 | return 0; |
| 668 | |
| 669 | err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0); |
| 670 | if (!err) |
| 671 | zd->mac_enabled = 1; |
| 672 | |
| 673 | if (zd->monitor) |
| 674 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1); |
| 675 | |
| 676 | return err; |
| 677 | } |
| 678 | |
| 679 | static int zd1201_disable(struct zd1201 *zd) |
| 680 | { |
| 681 | int err; |
| 682 | |
| 683 | if (!zd->mac_enabled) |
| 684 | return 0; |
| 685 | if (zd->monitor) { |
| 686 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); |
| 687 | if (err) |
| 688 | return err; |
| 689 | } |
| 690 | |
| 691 | err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0); |
| 692 | if (!err) |
| 693 | zd->mac_enabled = 0; |
| 694 | return err; |
| 695 | } |
| 696 | |
| 697 | static int zd1201_mac_reset(struct zd1201 *zd) |
| 698 | { |
| 699 | if (!zd->mac_enabled) |
| 700 | return 0; |
| 701 | zd1201_disable(zd); |
| 702 | return zd1201_enable(zd); |
| 703 | } |
| 704 | |
| 705 | static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen) |
| 706 | { |
| 707 | int err, val; |
| 708 | char buf[IW_ESSID_MAX_SIZE+2]; |
| 709 | |
| 710 | err = zd1201_disable(zd); |
| 711 | if (err) |
| 712 | return err; |
| 713 | |
| 714 | val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; |
| 715 | val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY; |
| 716 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val); |
| 717 | if (err) |
| 718 | return err; |
| 719 | |
| 720 | *(__le16 *)buf = cpu_to_le16(essidlen); |
| 721 | memcpy(buf+2, essid, essidlen); |
| 722 | if (!zd->ap) { /* Normal station */ |
| 723 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, |
| 724 | IW_ESSID_MAX_SIZE+2, 1); |
| 725 | if (err) |
| 726 | return err; |
| 727 | } else { /* AP */ |
| 728 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf, |
| 729 | IW_ESSID_MAX_SIZE+2, 1); |
| 730 | if (err) |
| 731 | return err; |
| 732 | } |
| 733 | |
| 734 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
| 735 | zd->dev->dev_addr, zd->dev->addr_len, 1); |
| 736 | if (err) |
| 737 | return err; |
| 738 | |
| 739 | err = zd1201_enable(zd); |
| 740 | if (err) |
| 741 | return err; |
| 742 | |
| 743 | msleep(100); |
| 744 | return 0; |
| 745 | } |
| 746 | |
| 747 | static int zd1201_net_open(struct net_device *dev) |
| 748 | { |
| 749 | struct zd1201 *zd = netdev_priv(dev); |
| 750 | |
| 751 | /* Start MAC with wildcard if no essid set */ |
| 752 | if (!zd->mac_enabled) |
| 753 | zd1201_join(zd, zd->essid, zd->essidlen); |
| 754 | netif_start_queue(dev); |
| 755 | |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | static int zd1201_net_stop(struct net_device *dev) |
| 760 | { |
| 761 | netif_stop_queue(dev); |
| 762 | return 0; |
| 763 | } |
| 764 | |
| 765 | /* |
| 766 | RFC 1042 encapsulates Ethernet frames in 802.11 frames |
| 767 | by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 |
| 768 | (0x00, 0x00, 0x00). Zd requires an additional padding, copy |
| 769 | of ethernet addresses, length of the standard RFC 1042 packet |
| 770 | and a command byte (which is nul for tx). |
| 771 | |
| 772 | tx frame (from Wlan NG): |
| 773 | RFC 1042: |
| 774 | llc 0xAA 0xAA 0x03 (802.2 LLC) |
| 775 | snap 0x00 0x00 0x00 (Ethernet encapsulated) |
| 776 | type 2 bytes, Ethernet type field |
| 777 | payload (minus eth header) |
| 778 | Zydas specific: |
| 779 | padding 1B if (skb->len+8+1)%64==0 |
| 780 | Eth MAC addr 12 bytes, Ethernet MAC addresses |
| 781 | length 2 bytes, RFC 1042 packet length |
| 782 | (llc+snap+type+payload) |
| 783 | zd 1 null byte, zd1201 packet type |
| 784 | */ |
| 785 | static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb, |
| 786 | struct net_device *dev) |
| 787 | { |
| 788 | struct zd1201 *zd = netdev_priv(dev); |
| 789 | unsigned char *txbuf = zd->txdata; |
| 790 | int txbuflen, pad = 0, err; |
| 791 | struct urb *urb = zd->tx_urb; |
| 792 | |
| 793 | if (!zd->mac_enabled || zd->monitor) { |
| 794 | dev->stats.tx_dropped++; |
| 795 | kfree_skb(skb); |
| 796 | return NETDEV_TX_OK; |
| 797 | } |
| 798 | netif_stop_queue(dev); |
| 799 | |
| 800 | txbuflen = skb->len + 8 + 1; |
| 801 | if (txbuflen%64 == 0) { |
| 802 | pad = 1; |
| 803 | txbuflen++; |
| 804 | } |
| 805 | txbuf[0] = 0xAA; |
| 806 | txbuf[1] = 0xAA; |
| 807 | txbuf[2] = 0x03; |
| 808 | txbuf[3] = 0x00; /* rfc1042 */ |
| 809 | txbuf[4] = 0x00; |
| 810 | txbuf[5] = 0x00; |
| 811 | |
| 812 | skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12); |
| 813 | if (pad) |
| 814 | txbuf[skb->len-12+6]=0; |
| 815 | skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12); |
| 816 | *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); |
| 817 | txbuf[txbuflen-1] = 0; |
| 818 | |
| 819 | usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), |
| 820 | txbuf, txbuflen, zd1201_usbtx, zd); |
| 821 | |
| 822 | err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); |
| 823 | if (err) { |
| 824 | dev->stats.tx_errors++; |
| 825 | netif_start_queue(dev); |
| 826 | } else { |
| 827 | dev->stats.tx_packets++; |
| 828 | dev->stats.tx_bytes += skb->len; |
| 829 | } |
| 830 | kfree_skb(skb); |
| 831 | |
| 832 | return NETDEV_TX_OK; |
| 833 | } |
| 834 | |
| 835 | static void zd1201_tx_timeout(struct net_device *dev) |
| 836 | { |
| 837 | struct zd1201 *zd = netdev_priv(dev); |
| 838 | |
| 839 | if (!zd) |
| 840 | return; |
| 841 | dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", |
| 842 | dev->name); |
| 843 | usb_unlink_urb(zd->tx_urb); |
| 844 | dev->stats.tx_errors++; |
| 845 | /* Restart the timeout to quiet the watchdog: */ |
| 846 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 847 | } |
| 848 | |
| 849 | static int zd1201_set_mac_address(struct net_device *dev, void *p) |
| 850 | { |
| 851 | struct sockaddr *addr = p; |
| 852 | struct zd1201 *zd = netdev_priv(dev); |
| 853 | int err; |
| 854 | |
| 855 | if (!zd) |
| 856 | return -ENODEV; |
| 857 | |
| 858 | err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
| 859 | addr->sa_data, dev->addr_len, 1); |
| 860 | if (err) |
| 861 | return err; |
| 862 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 863 | |
| 864 | return zd1201_mac_reset(zd); |
| 865 | } |
| 866 | |
| 867 | static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) |
| 868 | { |
| 869 | struct zd1201 *zd = netdev_priv(dev); |
| 870 | |
| 871 | return &zd->iwstats; |
| 872 | } |
| 873 | |
| 874 | static void zd1201_set_multicast(struct net_device *dev) |
| 875 | { |
| 876 | struct zd1201 *zd = netdev_priv(dev); |
| 877 | struct netdev_hw_addr *ha; |
| 878 | unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; |
| 879 | int i; |
| 880 | |
| 881 | if (netdev_mc_count(dev) > ZD1201_MAXMULTI) |
| 882 | return; |
| 883 | |
| 884 | i = 0; |
| 885 | netdev_for_each_mc_addr(ha, dev) |
| 886 | memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN); |
| 887 | zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, |
| 888 | netdev_mc_count(dev) * ETH_ALEN, 0); |
| 889 | } |
| 890 | |
| 891 | static int zd1201_config_commit(struct net_device *dev, |
| 892 | struct iw_request_info *info, struct iw_point *data, char *essid) |
| 893 | { |
| 894 | struct zd1201 *zd = netdev_priv(dev); |
| 895 | |
| 896 | return zd1201_mac_reset(zd); |
| 897 | } |
| 898 | |
| 899 | static int zd1201_get_name(struct net_device *dev, |
| 900 | struct iw_request_info *info, char *name, char *extra) |
| 901 | { |
| 902 | strcpy(name, "IEEE 802.11b"); |
| 903 | return 0; |
| 904 | } |
| 905 | |
| 906 | static int zd1201_set_freq(struct net_device *dev, |
| 907 | struct iw_request_info *info, struct iw_freq *freq, char *extra) |
| 908 | { |
| 909 | struct zd1201 *zd = netdev_priv(dev); |
| 910 | short channel = 0; |
| 911 | int err; |
| 912 | |
| 913 | if (freq->e == 0) |
| 914 | channel = freq->m; |
| 915 | else { |
| 916 | channel = ieee80211_freq_to_dsss_chan(freq->m); |
| 917 | if (channel < 0) |
| 918 | channel = 0; |
| 919 | } |
| 920 | |
| 921 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); |
| 922 | if (err) |
| 923 | return err; |
| 924 | |
| 925 | zd1201_mac_reset(zd); |
| 926 | |
| 927 | return 0; |
| 928 | } |
| 929 | |
| 930 | static int zd1201_get_freq(struct net_device *dev, |
| 931 | struct iw_request_info *info, struct iw_freq *freq, char *extra) |
| 932 | { |
| 933 | struct zd1201 *zd = netdev_priv(dev); |
| 934 | short channel; |
| 935 | int err; |
| 936 | |
| 937 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); |
| 938 | if (err) |
| 939 | return err; |
| 940 | freq->e = 0; |
| 941 | freq->m = channel; |
| 942 | |
| 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | static int zd1201_set_mode(struct net_device *dev, |
| 947 | struct iw_request_info *info, __u32 *mode, char *extra) |
| 948 | { |
| 949 | struct zd1201 *zd = netdev_priv(dev); |
| 950 | short porttype, monitor = 0; |
| 951 | unsigned char buffer[IW_ESSID_MAX_SIZE+2]; |
| 952 | int err; |
| 953 | |
| 954 | if (zd->ap) { |
| 955 | if (*mode != IW_MODE_MASTER) |
| 956 | return -EINVAL; |
| 957 | return 0; |
| 958 | } |
| 959 | |
| 960 | err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); |
| 961 | if (err) |
| 962 | return err; |
| 963 | zd->dev->type = ARPHRD_ETHER; |
| 964 | switch(*mode) { |
| 965 | case IW_MODE_MONITOR: |
| 966 | monitor = 1; |
| 967 | zd->dev->type = ARPHRD_IEEE80211; |
| 968 | /* Make sure we are no longer associated with by |
| 969 | setting an 'impossible' essid. |
| 970 | (otherwise we mess up firmware) |
| 971 | */ |
| 972 | zd1201_join(zd, "\0-*#\0", 5); |
| 973 | /* Put port in pIBSS */ |
| 974 | case 8: /* No pseudo-IBSS in wireless extensions (yet) */ |
| 975 | porttype = ZD1201_PORTTYPE_PSEUDOIBSS; |
| 976 | break; |
| 977 | case IW_MODE_ADHOC: |
| 978 | porttype = ZD1201_PORTTYPE_IBSS; |
| 979 | break; |
| 980 | case IW_MODE_INFRA: |
| 981 | porttype = ZD1201_PORTTYPE_BSS; |
| 982 | break; |
| 983 | default: |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
| 988 | if (err) |
| 989 | return err; |
| 990 | if (zd->monitor && !monitor) { |
| 991 | zd1201_disable(zd); |
| 992 | *(__le16 *)buffer = cpu_to_le16(zd->essidlen); |
| 993 | memcpy(buffer+2, zd->essid, zd->essidlen); |
| 994 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, |
| 995 | buffer, IW_ESSID_MAX_SIZE+2, 1); |
| 996 | if (err) |
| 997 | return err; |
| 998 | } |
| 999 | zd->monitor = monitor; |
| 1000 | /* If monitor mode is set we don't actually turn it on here since it |
| 1001 | * is done during mac reset anyway (see zd1201_mac_enable). |
| 1002 | */ |
| 1003 | zd1201_mac_reset(zd); |
| 1004 | |
| 1005 | return 0; |
| 1006 | } |
| 1007 | |
| 1008 | static int zd1201_get_mode(struct net_device *dev, |
| 1009 | struct iw_request_info *info, __u32 *mode, char *extra) |
| 1010 | { |
| 1011 | struct zd1201 *zd = netdev_priv(dev); |
| 1012 | short porttype; |
| 1013 | int err; |
| 1014 | |
| 1015 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); |
| 1016 | if (err) |
| 1017 | return err; |
| 1018 | switch(porttype) { |
| 1019 | case ZD1201_PORTTYPE_IBSS: |
| 1020 | *mode = IW_MODE_ADHOC; |
| 1021 | break; |
| 1022 | case ZD1201_PORTTYPE_BSS: |
| 1023 | *mode = IW_MODE_INFRA; |
| 1024 | break; |
| 1025 | case ZD1201_PORTTYPE_WDS: |
| 1026 | *mode = IW_MODE_REPEAT; |
| 1027 | break; |
| 1028 | case ZD1201_PORTTYPE_PSEUDOIBSS: |
| 1029 | *mode = 8;/* No Pseudo-IBSS... */ |
| 1030 | break; |
| 1031 | case ZD1201_PORTTYPE_AP: |
| 1032 | *mode = IW_MODE_MASTER; |
| 1033 | break; |
| 1034 | default: |
| 1035 | dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", |
| 1036 | porttype); |
| 1037 | *mode = IW_MODE_AUTO; |
| 1038 | } |
| 1039 | if (zd->monitor) |
| 1040 | *mode = IW_MODE_MONITOR; |
| 1041 | |
| 1042 | return 0; |
| 1043 | } |
| 1044 | |
| 1045 | static int zd1201_get_range(struct net_device *dev, |
| 1046 | struct iw_request_info *info, struct iw_point *wrq, char *extra) |
| 1047 | { |
| 1048 | struct iw_range *range = (struct iw_range *)extra; |
| 1049 | |
| 1050 | wrq->length = sizeof(struct iw_range); |
| 1051 | memset(range, 0, sizeof(struct iw_range)); |
| 1052 | range->we_version_compiled = WIRELESS_EXT; |
| 1053 | range->we_version_source = WIRELESS_EXT; |
| 1054 | |
| 1055 | range->max_qual.qual = 128; |
| 1056 | range->max_qual.level = 128; |
| 1057 | range->max_qual.noise = 128; |
| 1058 | range->max_qual.updated = 7; |
| 1059 | |
| 1060 | range->encoding_size[0] = 5; |
| 1061 | range->encoding_size[1] = 13; |
| 1062 | range->num_encoding_sizes = 2; |
| 1063 | range->max_encoding_tokens = ZD1201_NUMKEYS; |
| 1064 | |
| 1065 | range->num_bitrates = 4; |
| 1066 | range->bitrate[0] = 1000000; |
| 1067 | range->bitrate[1] = 2000000; |
| 1068 | range->bitrate[2] = 5500000; |
| 1069 | range->bitrate[3] = 11000000; |
| 1070 | |
| 1071 | range->min_rts = 0; |
| 1072 | range->min_frag = ZD1201_FRAGMIN; |
| 1073 | range->max_rts = ZD1201_RTSMAX; |
| 1074 | range->min_frag = ZD1201_FRAGMAX; |
| 1075 | |
| 1076 | return 0; |
| 1077 | } |
| 1078 | |
| 1079 | /* Little bit of magic here: we only get the quality if we poll |
| 1080 | * for it, and we never get an actual request to trigger such |
| 1081 | * a poll. Therefore we 'assume' that the user will soon ask for |
| 1082 | * the stats after asking the bssid. |
| 1083 | */ |
| 1084 | static int zd1201_get_wap(struct net_device *dev, |
| 1085 | struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) |
| 1086 | { |
| 1087 | struct zd1201 *zd = netdev_priv(dev); |
| 1088 | unsigned char buffer[6]; |
| 1089 | |
| 1090 | if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { |
| 1091 | /* Unfortunately the quality and noise reported is useless. |
| 1092 | they seem to be accumulators that increase until you |
| 1093 | read them, unless we poll on a fixed interval we can't |
| 1094 | use them |
| 1095 | */ |
| 1096 | /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ |
| 1097 | zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); |
| 1098 | /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ |
| 1099 | zd->iwstats.qual.updated = 2; |
| 1100 | } |
| 1101 | |
| 1102 | return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6); |
| 1103 | } |
| 1104 | |
| 1105 | static int zd1201_set_scan(struct net_device *dev, |
| 1106 | struct iw_request_info *info, struct iw_point *srq, char *extra) |
| 1107 | { |
| 1108 | /* We do everything in get_scan */ |
| 1109 | return 0; |
| 1110 | } |
| 1111 | |
| 1112 | static int zd1201_get_scan(struct net_device *dev, |
| 1113 | struct iw_request_info *info, struct iw_point *srq, char *extra) |
| 1114 | { |
| 1115 | struct zd1201 *zd = netdev_priv(dev); |
| 1116 | int err, i, j, enabled_save; |
| 1117 | struct iw_event iwe; |
| 1118 | char *cev = extra; |
| 1119 | char *end_buf = extra + IW_SCAN_MAX_DATA; |
| 1120 | |
| 1121 | /* No scanning in AP mode */ |
| 1122 | if (zd->ap) |
| 1123 | return -EOPNOTSUPP; |
| 1124 | |
| 1125 | /* Scan doesn't seem to work if disabled */ |
| 1126 | enabled_save = zd->mac_enabled; |
| 1127 | zd1201_enable(zd); |
| 1128 | |
| 1129 | zd->rxdatas = 0; |
| 1130 | err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, |
| 1131 | ZD1201_INQ_SCANRESULTS, 0, 0); |
| 1132 | if (err) |
| 1133 | return err; |
| 1134 | |
| 1135 | wait_event_interruptible(zd->rxdataq, zd->rxdatas); |
| 1136 | if (!zd->rxlen) |
| 1137 | return -EIO; |
| 1138 | |
| 1139 | if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) |
| 1140 | return -EIO; |
| 1141 | |
| 1142 | for(i=8; i<zd->rxlen; i+=62) { |
| 1143 | iwe.cmd = SIOCGIWAP; |
| 1144 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| 1145 | memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); |
| 1146 | cev = iwe_stream_add_event(info, cev, end_buf, |
| 1147 | &iwe, IW_EV_ADDR_LEN); |
| 1148 | |
| 1149 | iwe.cmd = SIOCGIWESSID; |
| 1150 | iwe.u.data.length = zd->rxdata[i+16]; |
| 1151 | iwe.u.data.flags = 1; |
| 1152 | cev = iwe_stream_add_point(info, cev, end_buf, |
| 1153 | &iwe, zd->rxdata+i+18); |
| 1154 | |
| 1155 | iwe.cmd = SIOCGIWMODE; |
| 1156 | if (zd->rxdata[i+14]&0x01) |
| 1157 | iwe.u.mode = IW_MODE_MASTER; |
| 1158 | else |
| 1159 | iwe.u.mode = IW_MODE_ADHOC; |
| 1160 | cev = iwe_stream_add_event(info, cev, end_buf, |
| 1161 | &iwe, IW_EV_UINT_LEN); |
| 1162 | |
| 1163 | iwe.cmd = SIOCGIWFREQ; |
| 1164 | iwe.u.freq.m = zd->rxdata[i+0]; |
| 1165 | iwe.u.freq.e = 0; |
| 1166 | cev = iwe_stream_add_event(info, cev, end_buf, |
| 1167 | &iwe, IW_EV_FREQ_LEN); |
| 1168 | |
| 1169 | iwe.cmd = SIOCGIWRATE; |
| 1170 | iwe.u.bitrate.fixed = 0; |
| 1171 | iwe.u.bitrate.disabled = 0; |
| 1172 | for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { |
| 1173 | iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; |
| 1174 | cev = iwe_stream_add_event(info, cev, end_buf, |
| 1175 | &iwe, IW_EV_PARAM_LEN); |
| 1176 | } |
| 1177 | |
| 1178 | iwe.cmd = SIOCGIWENCODE; |
| 1179 | iwe.u.data.length = 0; |
| 1180 | if (zd->rxdata[i+14]&0x10) |
| 1181 | iwe.u.data.flags = IW_ENCODE_ENABLED; |
| 1182 | else |
| 1183 | iwe.u.data.flags = IW_ENCODE_DISABLED; |
| 1184 | cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL); |
| 1185 | |
| 1186 | iwe.cmd = IWEVQUAL; |
| 1187 | iwe.u.qual.qual = zd->rxdata[i+4]; |
| 1188 | iwe.u.qual.noise= zd->rxdata[i+2]/10-100; |
| 1189 | iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; |
| 1190 | iwe.u.qual.updated = 7; |
| 1191 | cev = iwe_stream_add_event(info, cev, end_buf, |
| 1192 | &iwe, IW_EV_QUAL_LEN); |
| 1193 | } |
| 1194 | |
| 1195 | if (!enabled_save) |
| 1196 | zd1201_disable(zd); |
| 1197 | |
| 1198 | srq->length = cev - extra; |
| 1199 | srq->flags = 0; |
| 1200 | |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
| 1204 | static int zd1201_set_essid(struct net_device *dev, |
| 1205 | struct iw_request_info *info, struct iw_point *data, char *essid) |
| 1206 | { |
| 1207 | struct zd1201 *zd = netdev_priv(dev); |
| 1208 | |
| 1209 | if (data->length > IW_ESSID_MAX_SIZE) |
| 1210 | return -EINVAL; |
| 1211 | if (data->length < 1) |
| 1212 | data->length = 1; |
| 1213 | zd->essidlen = data->length; |
| 1214 | memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); |
| 1215 | memcpy(zd->essid, essid, data->length); |
| 1216 | return zd1201_join(zd, zd->essid, zd->essidlen); |
| 1217 | } |
| 1218 | |
| 1219 | static int zd1201_get_essid(struct net_device *dev, |
| 1220 | struct iw_request_info *info, struct iw_point *data, char *essid) |
| 1221 | { |
| 1222 | struct zd1201 *zd = netdev_priv(dev); |
| 1223 | |
| 1224 | memcpy(essid, zd->essid, zd->essidlen); |
| 1225 | data->flags = 1; |
| 1226 | data->length = zd->essidlen; |
| 1227 | |
| 1228 | return 0; |
| 1229 | } |
| 1230 | |
| 1231 | static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, |
| 1232 | struct iw_point *data, char *nick) |
| 1233 | { |
| 1234 | strcpy(nick, "zd1201"); |
| 1235 | data->flags = 1; |
| 1236 | data->length = strlen(nick); |
| 1237 | return 0; |
| 1238 | } |
| 1239 | |
| 1240 | static int zd1201_set_rate(struct net_device *dev, |
| 1241 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1242 | { |
| 1243 | struct zd1201 *zd = netdev_priv(dev); |
| 1244 | short rate; |
| 1245 | int err; |
| 1246 | |
| 1247 | switch (rrq->value) { |
| 1248 | case 1000000: |
| 1249 | rate = ZD1201_RATEB1; |
| 1250 | break; |
| 1251 | case 2000000: |
| 1252 | rate = ZD1201_RATEB2; |
| 1253 | break; |
| 1254 | case 5500000: |
| 1255 | rate = ZD1201_RATEB5; |
| 1256 | break; |
| 1257 | case 11000000: |
| 1258 | default: |
| 1259 | rate = ZD1201_RATEB11; |
| 1260 | break; |
| 1261 | } |
| 1262 | if (!rrq->fixed) { /* Also enable all lower bitrates */ |
| 1263 | rate |= rate-1; |
| 1264 | } |
| 1265 | |
| 1266 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); |
| 1267 | if (err) |
| 1268 | return err; |
| 1269 | |
| 1270 | return zd1201_mac_reset(zd); |
| 1271 | } |
| 1272 | |
| 1273 | static int zd1201_get_rate(struct net_device *dev, |
| 1274 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1275 | { |
| 1276 | struct zd1201 *zd = netdev_priv(dev); |
| 1277 | short rate; |
| 1278 | int err; |
| 1279 | |
| 1280 | err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); |
| 1281 | if (err) |
| 1282 | return err; |
| 1283 | |
| 1284 | switch(rate) { |
| 1285 | case 1: |
| 1286 | rrq->value = 1000000; |
| 1287 | break; |
| 1288 | case 2: |
| 1289 | rrq->value = 2000000; |
| 1290 | break; |
| 1291 | case 5: |
| 1292 | rrq->value = 5500000; |
| 1293 | break; |
| 1294 | case 11: |
| 1295 | rrq->value = 11000000; |
| 1296 | break; |
| 1297 | default: |
| 1298 | rrq->value = 0; |
| 1299 | } |
| 1300 | rrq->fixed = 0; |
| 1301 | rrq->disabled = 0; |
| 1302 | |
| 1303 | return 0; |
| 1304 | } |
| 1305 | |
| 1306 | static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, |
| 1307 | struct iw_param *rts, char *extra) |
| 1308 | { |
| 1309 | struct zd1201 *zd = netdev_priv(dev); |
| 1310 | int err; |
| 1311 | short val = rts->value; |
| 1312 | |
| 1313 | if (rts->disabled || !rts->fixed) |
| 1314 | val = ZD1201_RTSMAX; |
| 1315 | if (val > ZD1201_RTSMAX) |
| 1316 | return -EINVAL; |
| 1317 | if (val < 0) |
| 1318 | return -EINVAL; |
| 1319 | |
| 1320 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); |
| 1321 | if (err) |
| 1322 | return err; |
| 1323 | return zd1201_mac_reset(zd); |
| 1324 | } |
| 1325 | |
| 1326 | static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, |
| 1327 | struct iw_param *rts, char *extra) |
| 1328 | { |
| 1329 | struct zd1201 *zd = netdev_priv(dev); |
| 1330 | short rtst; |
| 1331 | int err; |
| 1332 | |
| 1333 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); |
| 1334 | if (err) |
| 1335 | return err; |
| 1336 | rts->value = rtst; |
| 1337 | rts->disabled = (rts->value == ZD1201_RTSMAX); |
| 1338 | rts->fixed = 1; |
| 1339 | |
| 1340 | return 0; |
| 1341 | } |
| 1342 | |
| 1343 | static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, |
| 1344 | struct iw_param *frag, char *extra) |
| 1345 | { |
| 1346 | struct zd1201 *zd = netdev_priv(dev); |
| 1347 | int err; |
| 1348 | short val = frag->value; |
| 1349 | |
| 1350 | if (frag->disabled || !frag->fixed) |
| 1351 | val = ZD1201_FRAGMAX; |
| 1352 | if (val > ZD1201_FRAGMAX) |
| 1353 | return -EINVAL; |
| 1354 | if (val < ZD1201_FRAGMIN) |
| 1355 | return -EINVAL; |
| 1356 | if (val & 1) |
| 1357 | return -EINVAL; |
| 1358 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); |
| 1359 | if (err) |
| 1360 | return err; |
| 1361 | return zd1201_mac_reset(zd); |
| 1362 | } |
| 1363 | |
| 1364 | static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, |
| 1365 | struct iw_param *frag, char *extra) |
| 1366 | { |
| 1367 | struct zd1201 *zd = netdev_priv(dev); |
| 1368 | short fragt; |
| 1369 | int err; |
| 1370 | |
| 1371 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); |
| 1372 | if (err) |
| 1373 | return err; |
| 1374 | frag->value = fragt; |
| 1375 | frag->disabled = (frag->value == ZD1201_FRAGMAX); |
| 1376 | frag->fixed = 1; |
| 1377 | |
| 1378 | return 0; |
| 1379 | } |
| 1380 | |
| 1381 | static int zd1201_set_retry(struct net_device *dev, |
| 1382 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1383 | { |
| 1384 | return 0; |
| 1385 | } |
| 1386 | |
| 1387 | static int zd1201_get_retry(struct net_device *dev, |
| 1388 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1389 | { |
| 1390 | return 0; |
| 1391 | } |
| 1392 | |
| 1393 | static int zd1201_set_encode(struct net_device *dev, |
| 1394 | struct iw_request_info *info, struct iw_point *erq, char *key) |
| 1395 | { |
| 1396 | struct zd1201 *zd = netdev_priv(dev); |
| 1397 | short i; |
| 1398 | int err, rid; |
| 1399 | |
| 1400 | if (erq->length > ZD1201_MAXKEYLEN) |
| 1401 | return -EINVAL; |
| 1402 | |
| 1403 | i = (erq->flags & IW_ENCODE_INDEX)-1; |
| 1404 | if (i == -1) { |
| 1405 | err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); |
| 1406 | if (err) |
| 1407 | return err; |
| 1408 | } else { |
| 1409 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); |
| 1410 | if (err) |
| 1411 | return err; |
| 1412 | } |
| 1413 | |
| 1414 | if (i < 0 || i >= ZD1201_NUMKEYS) |
| 1415 | return -EINVAL; |
| 1416 | |
| 1417 | rid = ZD1201_RID_CNFDEFAULTKEY0 + i; |
| 1418 | err = zd1201_setconfig(zd, rid, key, erq->length, 1); |
| 1419 | if (err) |
| 1420 | return err; |
| 1421 | zd->encode_keylen[i] = erq->length; |
| 1422 | memcpy(zd->encode_keys[i], key, erq->length); |
| 1423 | |
| 1424 | i=0; |
| 1425 | if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { |
| 1426 | i |= 0x01; |
| 1427 | zd->encode_enabled = 1; |
| 1428 | } else |
| 1429 | zd->encode_enabled = 0; |
| 1430 | if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { |
| 1431 | i |= 0x02; |
| 1432 | zd->encode_restricted = 1; |
| 1433 | } else |
| 1434 | zd->encode_restricted = 0; |
| 1435 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); |
| 1436 | if (err) |
| 1437 | return err; |
| 1438 | |
| 1439 | if (zd->encode_enabled) |
| 1440 | i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; |
| 1441 | else |
| 1442 | i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; |
| 1443 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); |
| 1444 | if (err) |
| 1445 | return err; |
| 1446 | |
| 1447 | return zd1201_mac_reset(zd); |
| 1448 | } |
| 1449 | |
| 1450 | static int zd1201_get_encode(struct net_device *dev, |
| 1451 | struct iw_request_info *info, struct iw_point *erq, char *key) |
| 1452 | { |
| 1453 | struct zd1201 *zd = netdev_priv(dev); |
| 1454 | short i; |
| 1455 | int err; |
| 1456 | |
| 1457 | if (zd->encode_enabled) |
| 1458 | erq->flags = IW_ENCODE_ENABLED; |
| 1459 | else |
| 1460 | erq->flags = IW_ENCODE_DISABLED; |
| 1461 | if (zd->encode_restricted) |
| 1462 | erq->flags |= IW_ENCODE_RESTRICTED; |
| 1463 | else |
| 1464 | erq->flags |= IW_ENCODE_OPEN; |
| 1465 | |
| 1466 | i = (erq->flags & IW_ENCODE_INDEX) -1; |
| 1467 | if (i == -1) { |
| 1468 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); |
| 1469 | if (err) |
| 1470 | return err; |
| 1471 | } |
| 1472 | if (i<0 || i>= ZD1201_NUMKEYS) |
| 1473 | return -EINVAL; |
| 1474 | |
| 1475 | erq->flags |= i+1; |
| 1476 | |
| 1477 | erq->length = zd->encode_keylen[i]; |
| 1478 | memcpy(key, zd->encode_keys[i], erq->length); |
| 1479 | |
| 1480 | return 0; |
| 1481 | } |
| 1482 | |
| 1483 | static int zd1201_set_power(struct net_device *dev, |
| 1484 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
| 1485 | { |
| 1486 | struct zd1201 *zd = netdev_priv(dev); |
| 1487 | short enabled, duration, level; |
| 1488 | int err; |
| 1489 | |
| 1490 | enabled = vwrq->disabled ? 0 : 1; |
| 1491 | if (enabled) { |
| 1492 | if (vwrq->flags & IW_POWER_PERIOD) { |
| 1493 | duration = vwrq->value; |
| 1494 | err = zd1201_setconfig16(zd, |
| 1495 | ZD1201_RID_CNFMAXSLEEPDURATION, duration); |
| 1496 | if (err) |
| 1497 | return err; |
| 1498 | goto out; |
| 1499 | } |
| 1500 | if (vwrq->flags & IW_POWER_TIMEOUT) { |
| 1501 | err = zd1201_getconfig16(zd, |
| 1502 | ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
| 1503 | if (err) |
| 1504 | return err; |
| 1505 | level = vwrq->value * 4 / duration; |
| 1506 | if (level > 4) |
| 1507 | level = 4; |
| 1508 | if (level < 0) |
| 1509 | level = 0; |
| 1510 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, |
| 1511 | level); |
| 1512 | if (err) |
| 1513 | return err; |
| 1514 | goto out; |
| 1515 | } |
| 1516 | return -EINVAL; |
| 1517 | } |
| 1518 | out: |
| 1519 | return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); |
| 1520 | } |
| 1521 | |
| 1522 | static int zd1201_get_power(struct net_device *dev, |
| 1523 | struct iw_request_info *info, struct iw_param *vwrq, char *extra) |
| 1524 | { |
| 1525 | struct zd1201 *zd = netdev_priv(dev); |
| 1526 | short enabled, level, duration; |
| 1527 | int err; |
| 1528 | |
| 1529 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); |
| 1530 | if (err) |
| 1531 | return err; |
| 1532 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); |
| 1533 | if (err) |
| 1534 | return err; |
| 1535 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); |
| 1536 | if (err) |
| 1537 | return err; |
| 1538 | vwrq->disabled = enabled ? 0 : 1; |
| 1539 | if (vwrq->flags & IW_POWER_TYPE) { |
| 1540 | if (vwrq->flags & IW_POWER_PERIOD) { |
| 1541 | vwrq->value = duration; |
| 1542 | vwrq->flags = IW_POWER_PERIOD; |
| 1543 | } else { |
| 1544 | vwrq->value = duration * level / 4; |
| 1545 | vwrq->flags = IW_POWER_TIMEOUT; |
| 1546 | } |
| 1547 | } |
| 1548 | if (vwrq->flags & IW_POWER_MODE) { |
| 1549 | if (enabled && level) |
| 1550 | vwrq->flags = IW_POWER_UNICAST_R; |
| 1551 | else |
| 1552 | vwrq->flags = IW_POWER_ALL_R; |
| 1553 | } |
| 1554 | |
| 1555 | return 0; |
| 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | static const iw_handler zd1201_iw_handler[] = |
| 1560 | { |
| 1561 | (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ |
| 1562 | (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ |
| 1563 | (iw_handler) NULL, /* SIOCSIWNWID */ |
| 1564 | (iw_handler) NULL, /* SIOCGIWNWID */ |
| 1565 | (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ |
| 1566 | (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ |
| 1567 | (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ |
| 1568 | (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ |
| 1569 | (iw_handler) NULL, /* SIOCSIWSENS */ |
| 1570 | (iw_handler) NULL, /* SIOCGIWSENS */ |
| 1571 | (iw_handler) NULL, /* SIOCSIWRANGE */ |
| 1572 | (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ |
| 1573 | (iw_handler) NULL, /* SIOCSIWPRIV */ |
| 1574 | (iw_handler) NULL, /* SIOCGIWPRIV */ |
| 1575 | (iw_handler) NULL, /* SIOCSIWSTATS */ |
| 1576 | (iw_handler) NULL, /* SIOCGIWSTATS */ |
| 1577 | (iw_handler) NULL, /* SIOCSIWSPY */ |
| 1578 | (iw_handler) NULL, /* SIOCGIWSPY */ |
| 1579 | (iw_handler) NULL, /* -- hole -- */ |
| 1580 | (iw_handler) NULL, /* -- hole -- */ |
| 1581 | (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ |
| 1582 | (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ |
| 1583 | (iw_handler) NULL, /* -- hole -- */ |
| 1584 | (iw_handler) NULL, /* SIOCGIWAPLIST */ |
| 1585 | (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ |
| 1586 | (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ |
| 1587 | (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ |
| 1588 | (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ |
| 1589 | (iw_handler) NULL, /* SIOCSIWNICKN */ |
| 1590 | (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ |
| 1591 | (iw_handler) NULL, /* -- hole -- */ |
| 1592 | (iw_handler) NULL, /* -- hole -- */ |
| 1593 | (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ |
| 1594 | (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ |
| 1595 | (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ |
| 1596 | (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ |
| 1597 | (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ |
| 1598 | (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ |
| 1599 | (iw_handler) NULL, /* SIOCSIWTXPOW */ |
| 1600 | (iw_handler) NULL, /* SIOCGIWTXPOW */ |
| 1601 | (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ |
| 1602 | (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ |
| 1603 | (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ |
| 1604 | (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ |
| 1605 | (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ |
| 1606 | (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ |
| 1607 | }; |
| 1608 | |
| 1609 | static int zd1201_set_hostauth(struct net_device *dev, |
| 1610 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1611 | { |
| 1612 | struct zd1201 *zd = netdev_priv(dev); |
| 1613 | |
| 1614 | if (!zd->ap) |
| 1615 | return -EOPNOTSUPP; |
| 1616 | |
| 1617 | return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); |
| 1618 | } |
| 1619 | |
| 1620 | static int zd1201_get_hostauth(struct net_device *dev, |
| 1621 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1622 | { |
| 1623 | struct zd1201 *zd = netdev_priv(dev); |
| 1624 | short hostauth; |
| 1625 | int err; |
| 1626 | |
| 1627 | if (!zd->ap) |
| 1628 | return -EOPNOTSUPP; |
| 1629 | |
| 1630 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); |
| 1631 | if (err) |
| 1632 | return err; |
| 1633 | rrq->value = hostauth; |
| 1634 | rrq->fixed = 1; |
| 1635 | |
| 1636 | return 0; |
| 1637 | } |
| 1638 | |
| 1639 | static int zd1201_auth_sta(struct net_device *dev, |
| 1640 | struct iw_request_info *info, struct sockaddr *sta, char *extra) |
| 1641 | { |
| 1642 | struct zd1201 *zd = netdev_priv(dev); |
| 1643 | unsigned char buffer[10]; |
| 1644 | |
| 1645 | if (!zd->ap) |
| 1646 | return -EOPNOTSUPP; |
| 1647 | |
| 1648 | memcpy(buffer, sta->sa_data, ETH_ALEN); |
| 1649 | *(short*)(buffer+6) = 0; /* 0==success, 1==failure */ |
| 1650 | *(short*)(buffer+8) = 0; |
| 1651 | |
| 1652 | return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); |
| 1653 | } |
| 1654 | |
| 1655 | static int zd1201_set_maxassoc(struct net_device *dev, |
| 1656 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1657 | { |
| 1658 | struct zd1201 *zd = netdev_priv(dev); |
| 1659 | int err; |
| 1660 | |
| 1661 | if (!zd->ap) |
| 1662 | return -EOPNOTSUPP; |
| 1663 | |
| 1664 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value); |
| 1665 | if (err) |
| 1666 | return err; |
| 1667 | return 0; |
| 1668 | } |
| 1669 | |
| 1670 | static int zd1201_get_maxassoc(struct net_device *dev, |
| 1671 | struct iw_request_info *info, struct iw_param *rrq, char *extra) |
| 1672 | { |
| 1673 | struct zd1201 *zd = netdev_priv(dev); |
| 1674 | short maxassoc; |
| 1675 | int err; |
| 1676 | |
| 1677 | if (!zd->ap) |
| 1678 | return -EOPNOTSUPP; |
| 1679 | |
| 1680 | err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); |
| 1681 | if (err) |
| 1682 | return err; |
| 1683 | rrq->value = maxassoc; |
| 1684 | rrq->fixed = 1; |
| 1685 | |
| 1686 | return 0; |
| 1687 | } |
| 1688 | |
| 1689 | static const iw_handler zd1201_private_handler[] = { |
| 1690 | (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ |
| 1691 | (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ |
| 1692 | (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ |
| 1693 | (iw_handler) NULL, /* nothing to get */ |
| 1694 | (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ |
| 1695 | (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ |
| 1696 | }; |
| 1697 | |
| 1698 | static const struct iw_priv_args zd1201_private_args[] = { |
| 1699 | { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 1700 | IW_PRIV_TYPE_NONE, "sethostauth" }, |
| 1701 | { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, |
| 1702 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, |
| 1703 | { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, |
| 1704 | IW_PRIV_TYPE_NONE, "authstation" }, |
| 1705 | { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 1706 | IW_PRIV_TYPE_NONE, "setmaxassoc" }, |
| 1707 | { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, |
| 1708 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, |
| 1709 | }; |
| 1710 | |
| 1711 | static const struct iw_handler_def zd1201_iw_handlers = { |
| 1712 | .num_standard = ARRAY_SIZE(zd1201_iw_handler), |
| 1713 | .num_private = ARRAY_SIZE(zd1201_private_handler), |
| 1714 | .num_private_args = ARRAY_SIZE(zd1201_private_args), |
| 1715 | .standard = (iw_handler *)zd1201_iw_handler, |
| 1716 | .private = (iw_handler *)zd1201_private_handler, |
| 1717 | .private_args = (struct iw_priv_args *) zd1201_private_args, |
| 1718 | .get_wireless_stats = zd1201_get_wireless_stats, |
| 1719 | }; |
| 1720 | |
| 1721 | static const struct net_device_ops zd1201_netdev_ops = { |
| 1722 | .ndo_open = zd1201_net_open, |
| 1723 | .ndo_stop = zd1201_net_stop, |
| 1724 | .ndo_start_xmit = zd1201_hard_start_xmit, |
| 1725 | .ndo_tx_timeout = zd1201_tx_timeout, |
| 1726 | .ndo_set_rx_mode = zd1201_set_multicast, |
| 1727 | .ndo_set_mac_address = zd1201_set_mac_address, |
| 1728 | .ndo_change_mtu = eth_change_mtu, |
| 1729 | .ndo_validate_addr = eth_validate_addr, |
| 1730 | }; |
| 1731 | |
| 1732 | static int zd1201_probe(struct usb_interface *interface, |
| 1733 | const struct usb_device_id *id) |
| 1734 | { |
| 1735 | struct zd1201 *zd; |
| 1736 | struct net_device *dev; |
| 1737 | struct usb_device *usb; |
| 1738 | int err; |
| 1739 | short porttype; |
| 1740 | char buf[IW_ESSID_MAX_SIZE+2]; |
| 1741 | |
| 1742 | usb = interface_to_usbdev(interface); |
| 1743 | |
| 1744 | dev = alloc_etherdev(sizeof(*zd)); |
| 1745 | if (!dev) |
| 1746 | return -ENOMEM; |
| 1747 | zd = netdev_priv(dev); |
| 1748 | zd->dev = dev; |
| 1749 | |
| 1750 | zd->ap = ap; |
| 1751 | zd->usb = usb; |
| 1752 | zd->removed = 0; |
| 1753 | init_waitqueue_head(&zd->rxdataq); |
| 1754 | INIT_HLIST_HEAD(&zd->fraglist); |
| 1755 | |
| 1756 | err = zd1201_fw_upload(usb, zd->ap); |
| 1757 | if (err) { |
| 1758 | dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); |
| 1759 | goto err_zd; |
| 1760 | } |
| 1761 | |
| 1762 | zd->endp_in = 1; |
| 1763 | zd->endp_out = 1; |
| 1764 | zd->endp_out2 = 2; |
| 1765 | zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1766 | zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1767 | if (!zd->rx_urb || !zd->tx_urb) |
| 1768 | goto err_zd; |
| 1769 | |
| 1770 | mdelay(100); |
| 1771 | err = zd1201_drvr_start(zd); |
| 1772 | if (err) |
| 1773 | goto err_zd; |
| 1774 | |
| 1775 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); |
| 1776 | if (err) |
| 1777 | goto err_start; |
| 1778 | |
| 1779 | err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, |
| 1780 | ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); |
| 1781 | if (err) |
| 1782 | goto err_start; |
| 1783 | |
| 1784 | dev->netdev_ops = &zd1201_netdev_ops; |
| 1785 | dev->wireless_handlers = &zd1201_iw_handlers; |
| 1786 | dev->watchdog_timeo = ZD1201_TX_TIMEOUT; |
| 1787 | strcpy(dev->name, "wlan%d"); |
| 1788 | |
| 1789 | err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, |
| 1790 | dev->dev_addr, dev->addr_len); |
| 1791 | if (err) |
| 1792 | goto err_start; |
| 1793 | |
| 1794 | /* Set wildcard essid to match zd->essid */ |
| 1795 | *(__le16 *)buf = cpu_to_le16(0); |
| 1796 | err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, |
| 1797 | IW_ESSID_MAX_SIZE+2, 1); |
| 1798 | if (err) |
| 1799 | goto err_start; |
| 1800 | |
| 1801 | if (zd->ap) |
| 1802 | porttype = ZD1201_PORTTYPE_AP; |
| 1803 | else |
| 1804 | porttype = ZD1201_PORTTYPE_BSS; |
| 1805 | err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); |
| 1806 | if (err) |
| 1807 | goto err_start; |
| 1808 | |
| 1809 | SET_NETDEV_DEV(dev, &usb->dev); |
| 1810 | |
| 1811 | err = register_netdev(dev); |
| 1812 | if (err) |
| 1813 | goto err_start; |
| 1814 | dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", |
| 1815 | dev->name); |
| 1816 | |
| 1817 | usb_set_intfdata(interface, zd); |
| 1818 | zd1201_enable(zd); /* zd1201 likes to startup enabled, */ |
| 1819 | zd1201_disable(zd); /* interfering with all the wifis in range */ |
| 1820 | return 0; |
| 1821 | |
| 1822 | err_start: |
| 1823 | /* Leave the device in reset state */ |
| 1824 | zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); |
| 1825 | err_zd: |
| 1826 | usb_free_urb(zd->tx_urb); |
| 1827 | usb_free_urb(zd->rx_urb); |
| 1828 | free_netdev(dev); |
| 1829 | return err; |
| 1830 | } |
| 1831 | |
| 1832 | static void zd1201_disconnect(struct usb_interface *interface) |
| 1833 | { |
| 1834 | struct zd1201 *zd = usb_get_intfdata(interface); |
| 1835 | struct hlist_node *node2; |
| 1836 | struct zd1201_frag *frag; |
| 1837 | |
| 1838 | if (!zd) |
| 1839 | return; |
| 1840 | usb_set_intfdata(interface, NULL); |
| 1841 | |
| 1842 | hlist_for_each_entry_safe(frag, node2, &zd->fraglist, fnode) { |
| 1843 | hlist_del_init(&frag->fnode); |
| 1844 | kfree_skb(frag->skb); |
| 1845 | kfree(frag); |
| 1846 | } |
| 1847 | |
| 1848 | if (zd->tx_urb) { |
| 1849 | usb_kill_urb(zd->tx_urb); |
| 1850 | usb_free_urb(zd->tx_urb); |
| 1851 | } |
| 1852 | if (zd->rx_urb) { |
| 1853 | usb_kill_urb(zd->rx_urb); |
| 1854 | usb_free_urb(zd->rx_urb); |
| 1855 | } |
| 1856 | |
| 1857 | if (zd->dev) { |
| 1858 | unregister_netdev(zd->dev); |
| 1859 | free_netdev(zd->dev); |
| 1860 | } |
| 1861 | } |
| 1862 | |
| 1863 | #ifdef CONFIG_PM |
| 1864 | |
| 1865 | static int zd1201_suspend(struct usb_interface *interface, |
| 1866 | pm_message_t message) |
| 1867 | { |
| 1868 | struct zd1201 *zd = usb_get_intfdata(interface); |
| 1869 | |
| 1870 | netif_device_detach(zd->dev); |
| 1871 | |
| 1872 | zd->was_enabled = zd->mac_enabled; |
| 1873 | |
| 1874 | if (zd->was_enabled) |
| 1875 | return zd1201_disable(zd); |
| 1876 | else |
| 1877 | return 0; |
| 1878 | } |
| 1879 | |
| 1880 | static int zd1201_resume(struct usb_interface *interface) |
| 1881 | { |
| 1882 | struct zd1201 *zd = usb_get_intfdata(interface); |
| 1883 | |
| 1884 | if (!zd || !zd->dev) |
| 1885 | return -ENODEV; |
| 1886 | |
| 1887 | netif_device_attach(zd->dev); |
| 1888 | |
| 1889 | if (zd->was_enabled) |
| 1890 | return zd1201_enable(zd); |
| 1891 | else |
| 1892 | return 0; |
| 1893 | } |
| 1894 | |
| 1895 | #else |
| 1896 | |
| 1897 | #define zd1201_suspend NULL |
| 1898 | #define zd1201_resume NULL |
| 1899 | |
| 1900 | #endif |
| 1901 | |
| 1902 | static struct usb_driver zd1201_usb = { |
| 1903 | .name = "zd1201", |
| 1904 | .probe = zd1201_probe, |
| 1905 | .disconnect = zd1201_disconnect, |
| 1906 | .id_table = zd1201_table, |
| 1907 | .suspend = zd1201_suspend, |
| 1908 | .resume = zd1201_resume, |
| 1909 | .disable_hub_initiated_lpm = 1, |
| 1910 | }; |
| 1911 | |
| 1912 | module_usb_driver(zd1201_usb); |