Commit | Line | Data |
---|---|---|
00b3ed16 GKH |
1 | /* src/p80211/p80211knetdev.c |
2 | * | |
3 | * Linux Kernel net device interface | |
4 | * | |
5 | * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. | |
6 | * -------------------------------------------------------------------- | |
7 | * | |
8 | * linux-wlan | |
9 | * | |
10 | * The contents of this file are subject to the Mozilla Public | |
11 | * License Version 1.1 (the "License"); you may not use this file | |
12 | * except in compliance with the License. You may obtain a copy of | |
13 | * the License at http://www.mozilla.org/MPL/ | |
14 | * | |
15 | * Software distributed under the License is distributed on an "AS | |
16 | * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
17 | * implied. See the License for the specific language governing | |
18 | * rights and limitations under the License. | |
19 | * | |
20 | * Alternatively, the contents of this file may be used under the | |
21 | * terms of the GNU Public License version 2 (the "GPL"), in which | |
22 | * case the provisions of the GPL are applicable instead of the | |
23 | * above. If you wish to allow the use of your version of this file | |
24 | * only under the terms of the GPL and not to allow others to use | |
25 | * your version of this file under the MPL, indicate your decision | |
26 | * by deleting the provisions above and replace them with the notice | |
27 | * and other provisions required by the GPL. If you do not delete | |
28 | * the provisions above, a recipient may use your version of this | |
29 | * file under either the MPL or the GPL. | |
30 | * | |
31 | * -------------------------------------------------------------------- | |
32 | * | |
33 | * Inquiries regarding the linux-wlan Open Source project can be | |
34 | * made directly to: | |
35 | * | |
36 | * AbsoluteValue Systems Inc. | |
37 | * info@linux-wlan.com | |
38 | * http://www.linux-wlan.com | |
39 | * | |
40 | * -------------------------------------------------------------------- | |
41 | * | |
42 | * Portions of the development of this software were funded by | |
43 | * Intersil Corporation as part of PRISM(R) chipset product development. | |
44 | * | |
45 | * -------------------------------------------------------------------- | |
46 | * | |
47 | * The functions required for a Linux network device are defined here. | |
48 | * | |
49 | * -------------------------------------------------------------------- | |
50 | */ | |
51 | ||
00b3ed16 GKH |
52 | #include <linux/module.h> |
53 | #include <linux/kernel.h> | |
54 | #include <linux/sched.h> | |
55 | #include <linux/types.h> | |
56 | #include <linux/skbuff.h> | |
57 | #include <linux/slab.h> | |
58 | #include <linux/proc_fs.h> | |
59 | #include <linux/interrupt.h> | |
60 | #include <linux/netdevice.h> | |
61 | #include <linux/kmod.h> | |
62 | #include <linux/if_arp.h> | |
63 | #include <linux/wireless.h> | |
64 | #include <linux/sockios.h> | |
65 | #include <linux/etherdevice.h> | |
28b17a4b | 66 | #include <linux/if_ether.h> |
ae26230b | 67 | #include <linux/byteorder/generic.h> |
b4b3f0da MM |
68 | #include <linux/bitops.h> |
69 | #include <linux/uaccess.h> | |
00b3ed16 GKH |
70 | #include <asm/byteorder.h> |
71 | ||
72 | #ifdef SIOCETHTOOL | |
73 | #include <linux/ethtool.h> | |
74 | #endif | |
75 | ||
00b3ed16 | 76 | #include <net/iw_handler.h> |
00b3ed16 GKH |
77 | #include <net/net_namespace.h> |
78 | ||
00b3ed16 GKH |
79 | #include "p80211types.h" |
80 | #include "p80211hdr.h" | |
81 | #include "p80211conv.h" | |
82 | #include "p80211mgmt.h" | |
83 | #include "p80211msg.h" | |
84 | #include "p80211netdev.h" | |
85 | #include "p80211ioctl.h" | |
86 | #include "p80211req.h" | |
87 | #include "p80211metastruct.h" | |
88 | #include "p80211metadef.h" | |
89 | ||
00b3ed16 GKH |
90 | /* Support functions */ |
91 | static void p80211netdev_rx_bh(unsigned long arg); | |
92 | ||
93 | /* netdevice method functions */ | |
297f06ce MT |
94 | static int p80211knetdev_init(netdevice_t *netdev); |
95 | static struct net_device_stats *p80211knetdev_get_stats(netdevice_t *netdev); | |
96 | static int p80211knetdev_open(netdevice_t *netdev); | |
97 | static int p80211knetdev_stop(netdevice_t *netdev); | |
b4b3f0da | 98 | static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, |
297f06ce MT |
99 | netdevice_t *netdev); |
100 | static void p80211knetdev_set_multicast_list(netdevice_t *dev); | |
101 | static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, | |
b4b3f0da | 102 | int cmd); |
297f06ce MT |
103 | static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr); |
104 | static void p80211knetdev_tx_timeout(netdevice_t *netdev); | |
105 | static int p80211_rx_typedrop(wlandevice_t *wlandev, u16 fc); | |
00b3ed16 | 106 | |
e02c69b8 SP |
107 | int wlan_watchdog = 5000; |
108 | module_param(wlan_watchdog, int, 0644); | |
109 | MODULE_PARM_DESC(wlan_watchdog, "transmit timeout in milliseconds"); | |
00b3ed16 | 110 | |
e02c69b8 SP |
111 | int wlan_wext_write = 1; |
112 | module_param(wlan_wext_write, int, 0644); | |
113 | MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions"); | |
00b3ed16 | 114 | |
00b3ed16 GKH |
115 | /*---------------------------------------------------------------- |
116 | * p80211knetdev_init | |
117 | * | |
118 | * Init method for a Linux netdevice. Called in response to | |
119 | * register_netdev. | |
120 | * | |
121 | * Arguments: | |
122 | * none | |
123 | * | |
124 | * Returns: | |
125 | * nothing | |
126 | ----------------------------------------------------------------*/ | |
297f06ce | 127 | static int p80211knetdev_init(netdevice_t *netdev) |
00b3ed16 | 128 | { |
00b3ed16 GKH |
129 | /* Called in response to register_netdev */ |
130 | /* This is usually the probe function, but the probe has */ | |
131 | /* already been done by the MSD and the create_kdev */ | |
132 | /* function. All we do here is return success */ | |
00b3ed16 GKH |
133 | return 0; |
134 | } | |
135 | ||
00b3ed16 GKH |
136 | /*---------------------------------------------------------------- |
137 | * p80211knetdev_get_stats | |
138 | * | |
139 | * Statistics retrieval for linux netdevices. Here we're reporting | |
140 | * the Linux i/f level statistics. Hence, for the primary numbers, | |
141 | * we don't want to report the numbers from the MIB. Eventually, | |
142 | * it might be useful to collect some of the error counters though. | |
143 | * | |
144 | * Arguments: | |
145 | * netdev Linux netdevice | |
146 | * | |
147 | * Returns: | |
148 | * the address of the statistics structure | |
149 | ----------------------------------------------------------------*/ | |
75f49e07 | 150 | static struct net_device_stats *p80211knetdev_get_stats(netdevice_t * netdev) |
00b3ed16 | 151 | { |
b4b3f0da | 152 | wlandevice_t *wlandev = netdev->ml_priv; |
00b3ed16 GKH |
153 | |
154 | /* TODO: review the MIB stats for items that correspond to | |
b4b3f0da | 155 | linux stats */ |
00b3ed16 | 156 | |
00b3ed16 GKH |
157 | return &(wlandev->linux_stats); |
158 | } | |
159 | ||
00b3ed16 GKH |
160 | /*---------------------------------------------------------------- |
161 | * p80211knetdev_open | |
162 | * | |
163 | * Linux netdevice open method. Following a successful call here, | |
164 | * the device is supposed to be ready for tx and rx. In our | |
165 | * situation that may not be entirely true due to the state of the | |
166 | * MAC below. | |
167 | * | |
168 | * Arguments: | |
169 | * netdev Linux network device structure | |
170 | * | |
171 | * Returns: | |
172 | * zero on success, non-zero otherwise | |
173 | ----------------------------------------------------------------*/ | |
297f06ce | 174 | static int p80211knetdev_open(netdevice_t *netdev) |
00b3ed16 | 175 | { |
b4b3f0da MM |
176 | int result = 0; /* success */ |
177 | wlandevice_t *wlandev = netdev->ml_priv; | |
00b3ed16 | 178 | |
00b3ed16 | 179 | /* Check to make sure the MSD is running */ |
b4b3f0da | 180 | if (wlandev->msdstate != WLAN_MSD_RUNNING) |
00b3ed16 | 181 | return -ENODEV; |
00b3ed16 GKH |
182 | |
183 | /* Tell the MSD to open */ | |
b4b3f0da | 184 | if (wlandev->open != NULL) { |
00b3ed16 | 185 | result = wlandev->open(wlandev); |
b4b3f0da | 186 | if (result == 0) { |
cbec30c4 | 187 | netif_start_queue(wlandev->netdev); |
00b3ed16 GKH |
188 | wlandev->state = WLAN_DEVICE_OPEN; |
189 | } | |
190 | } else { | |
191 | result = -EAGAIN; | |
192 | } | |
193 | ||
00b3ed16 GKH |
194 | return result; |
195 | } | |
196 | ||
00b3ed16 GKH |
197 | /*---------------------------------------------------------------- |
198 | * p80211knetdev_stop | |
199 | * | |
200 | * Linux netdevice stop (close) method. Following this call, | |
201 | * no frames should go up or down through this interface. | |
202 | * | |
203 | * Arguments: | |
204 | * netdev Linux network device structure | |
205 | * | |
206 | * Returns: | |
207 | * zero on success, non-zero otherwise | |
208 | ----------------------------------------------------------------*/ | |
297f06ce | 209 | static int p80211knetdev_stop(netdevice_t *netdev) |
00b3ed16 | 210 | { |
b4b3f0da MM |
211 | int result = 0; |
212 | wlandevice_t *wlandev = netdev->ml_priv; | |
00b3ed16 | 213 | |
b4b3f0da | 214 | if (wlandev->close != NULL) |
00b3ed16 | 215 | result = wlandev->close(wlandev); |
00b3ed16 | 216 | |
cbec30c4 | 217 | netif_stop_queue(wlandev->netdev); |
00b3ed16 GKH |
218 | wlandev->state = WLAN_DEVICE_CLOSED; |
219 | ||
00b3ed16 GKH |
220 | return result; |
221 | } | |
222 | ||
223 | /*---------------------------------------------------------------- | |
224 | * p80211netdev_rx | |
225 | * | |
226 | * Frame receive function called by the mac specific driver. | |
227 | * | |
228 | * Arguments: | |
229 | * wlandev WLAN network device structure | |
230 | * skb skbuff containing a full 802.11 frame. | |
231 | * Returns: | |
232 | * nothing | |
233 | * Side effects: | |
234 | * | |
235 | ----------------------------------------------------------------*/ | |
297f06ce | 236 | void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb) |
00b3ed16 | 237 | { |
00b3ed16 GKH |
238 | /* Enqueue for post-irq processing */ |
239 | skb_queue_tail(&wlandev->nsd_rxq, skb); | |
240 | ||
241 | tasklet_schedule(&wlandev->rx_bh); | |
242 | ||
00b3ed16 GKH |
243 | return; |
244 | } | |
245 | ||
246 | /*---------------------------------------------------------------- | |
247 | * p80211netdev_rx_bh | |
248 | * | |
249 | * Deferred processing of all received frames. | |
250 | * | |
251 | * Arguments: | |
252 | * wlandev WLAN network device structure | |
253 | * skb skbuff containing a full 802.11 frame. | |
254 | * Returns: | |
255 | * nothing | |
256 | * Side effects: | |
257 | * | |
258 | ----------------------------------------------------------------*/ | |
259 | static void p80211netdev_rx_bh(unsigned long arg) | |
260 | { | |
261 | wlandevice_t *wlandev = (wlandevice_t *) arg; | |
262 | struct sk_buff *skb = NULL; | |
b4b3f0da | 263 | netdevice_t *dev = wlandev->netdev; |
00b3ed16 | 264 | p80211_hdr_a3_t *hdr; |
aaad4303 | 265 | u16 fc; |
00b3ed16 | 266 | |
00b3ed16 | 267 | /* Let's empty our our queue */ |
b4b3f0da | 268 | while ((skb = skb_dequeue(&wlandev->nsd_rxq))) { |
00b3ed16 GKH |
269 | if (wlandev->state == WLAN_DEVICE_OPEN) { |
270 | ||
271 | if (dev->type != ARPHRD_ETHER) { | |
272 | /* RAW frame; we shouldn't convert it */ | |
b4b3f0da | 273 | /* XXX Append the Prism Header here instead. */ |
00b3ed16 GKH |
274 | |
275 | /* set up various data fields */ | |
276 | skb->dev = dev; | |
277 | skb_reset_mac_header(skb); | |
278 | skb->ip_summed = CHECKSUM_NONE; | |
279 | skb->pkt_type = PACKET_OTHERHOST; | |
280 | skb->protocol = htons(ETH_P_80211_RAW); | |
281 | dev->last_rx = jiffies; | |
282 | ||
283 | wlandev->linux_stats.rx_packets++; | |
284 | wlandev->linux_stats.rx_bytes += skb->len; | |
285 | netif_rx_ni(skb); | |
286 | continue; | |
287 | } else { | |
b4b3f0da | 288 | hdr = (p80211_hdr_a3_t *) skb->data; |
ae26230b | 289 | fc = le16_to_cpu(hdr->fc); |
00b3ed16 GKH |
290 | if (p80211_rx_typedrop(wlandev, fc)) { |
291 | dev_kfree_skb(skb); | |
292 | continue; | |
293 | } | |
294 | ||
295 | /* perform mcast filtering */ | |
296 | if (wlandev->netdev->flags & IFF_ALLMULTI) { | |
297 | /* allow my local address through */ | |
b4b3f0da MM |
298 | if (memcmp |
299 | (hdr->a1, wlandev->netdev->dev_addr, | |
300 | ETH_ALEN) != 0) { | |
00b3ed16 GKH |
301 | /* but reject anything else that isn't multicast */ |
302 | if (!(hdr->a1[0] & 0x01)) { | |
303 | dev_kfree_skb(skb); | |
304 | continue; | |
305 | } | |
306 | } | |
307 | } | |
308 | ||
b4b3f0da MM |
309 | if (skb_p80211_to_ether |
310 | (wlandev, wlandev->ethconv, skb) == 0) { | |
00b3ed16 GKH |
311 | skb->dev->last_rx = jiffies; |
312 | wlandev->linux_stats.rx_packets++; | |
b4b3f0da MM |
313 | wlandev->linux_stats.rx_bytes += |
314 | skb->len; | |
00b3ed16 GKH |
315 | netif_rx_ni(skb); |
316 | continue; | |
317 | } | |
b4b3f0da | 318 | pr_debug("p80211_to_ether failed.\n"); |
00b3ed16 GKH |
319 | } |
320 | } | |
321 | dev_kfree_skb(skb); | |
322 | } | |
00b3ed16 GKH |
323 | } |
324 | ||
00b3ed16 GKH |
325 | /*---------------------------------------------------------------- |
326 | * p80211knetdev_hard_start_xmit | |
327 | * | |
328 | * Linux netdevice method for transmitting a frame. | |
329 | * | |
330 | * Arguments: | |
331 | * skb Linux sk_buff containing the frame. | |
332 | * netdev Linux netdevice. | |
333 | * | |
334 | * Side effects: | |
335 | * If the lower layers report that buffers are full. netdev->tbusy | |
336 | * will be set to prevent higher layers from sending more traffic. | |
337 | * | |
338 | * Note: If this function returns non-zero, higher layers retain | |
339 | * ownership of the skb. | |
340 | * | |
341 | * Returns: | |
342 | * zero on success, non-zero on failure. | |
343 | ----------------------------------------------------------------*/ | |
b4b3f0da | 344 | static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, |
297f06ce | 345 | netdevice_t *netdev) |
00b3ed16 | 346 | { |
b4b3f0da MM |
347 | int result = 0; |
348 | int txresult = -1; | |
349 | wlandevice_t *wlandev = netdev->ml_priv; | |
350 | p80211_hdr_t p80211_hdr; | |
00b3ed16 GKH |
351 | p80211_metawep_t p80211_wep; |
352 | ||
b4b3f0da | 353 | if (skb == NULL) |
ec634fe3 | 354 | return NETDEV_TX_OK; |
00b3ed16 | 355 | |
b4b3f0da | 356 | if (wlandev->state != WLAN_DEVICE_OPEN) { |
00b3ed16 GKH |
357 | result = 1; |
358 | goto failed; | |
359 | } | |
360 | ||
361 | memset(&p80211_hdr, 0, sizeof(p80211_hdr_t)); | |
362 | memset(&p80211_wep, 0, sizeof(p80211_metawep_t)); | |
363 | ||
b4b3f0da | 364 | if (netif_queue_stopped(netdev)) { |
a7cf7bae | 365 | pr_debug("called when queue stopped.\n"); |
00b3ed16 GKH |
366 | result = 1; |
367 | goto failed; | |
368 | } | |
369 | ||
370 | netif_stop_queue(netdev); | |
371 | ||
00b3ed16 | 372 | /* Check to see that a valid mode is set */ |
b4b3f0da | 373 | switch (wlandev->macmode) { |
00b3ed16 GKH |
374 | case WLAN_MACMODE_IBSS_STA: |
375 | case WLAN_MACMODE_ESS_STA: | |
376 | case WLAN_MACMODE_ESS_AP: | |
377 | break; | |
378 | default: | |
379 | /* Mode isn't set yet, just drop the frame | |
380 | * and return success . | |
381 | * TODO: we need a saner way to handle this | |
382 | */ | |
b4b3f0da | 383 | if (skb->protocol != ETH_P_80211_RAW) { |
cbec30c4 | 384 | netif_start_queue(wlandev->netdev); |
2acbf9de | 385 | printk(KERN_NOTICE |
b4b3f0da | 386 | "Tx attempt prior to association, frame dropped.\n"); |
00b3ed16 GKH |
387 | wlandev->linux_stats.tx_dropped++; |
388 | result = 0; | |
389 | goto failed; | |
390 | } | |
391 | break; | |
392 | } | |
393 | ||
394 | /* Check for raw transmits */ | |
b4b3f0da | 395 | if (skb->protocol == ETH_P_80211_RAW) { |
00b3ed16 GKH |
396 | if (!capable(CAP_NET_ADMIN)) { |
397 | result = 1; | |
398 | goto failed; | |
399 | } | |
400 | /* move the header over */ | |
401 | memcpy(&p80211_hdr, skb->data, sizeof(p80211_hdr_t)); | |
402 | skb_pull(skb, sizeof(p80211_hdr_t)); | |
403 | } else { | |
b4b3f0da MM |
404 | if (skb_ether_to_p80211 |
405 | (wlandev, wlandev->ethconv, skb, &p80211_hdr, | |
406 | &p80211_wep) != 0) { | |
00b3ed16 | 407 | /* convert failed */ |
a7cf7bae | 408 | pr_debug("ether_to_80211(%d) failed.\n", |
75f49e07 | 409 | wlandev->ethconv); |
00b3ed16 GKH |
410 | result = 1; |
411 | goto failed; | |
412 | } | |
413 | } | |
b4b3f0da | 414 | if (wlandev->txframe == NULL) { |
00b3ed16 GKH |
415 | result = 1; |
416 | goto failed; | |
417 | } | |
418 | ||
419 | netdev->trans_start = jiffies; | |
420 | ||
421 | wlandev->linux_stats.tx_packets++; | |
422 | /* count only the packet payload */ | |
423 | wlandev->linux_stats.tx_bytes += skb->len; | |
424 | ||
425 | txresult = wlandev->txframe(wlandev, skb, &p80211_hdr, &p80211_wep); | |
426 | ||
b4b3f0da | 427 | if (txresult == 0) { |
00b3ed16 GKH |
428 | /* success and more buf */ |
429 | /* avail, re: hw_txdata */ | |
cbec30c4 | 430 | netif_wake_queue(wlandev->netdev); |
5b548140 | 431 | result = NETDEV_TX_OK; |
b4b3f0da | 432 | } else if (txresult == 1) { |
00b3ed16 | 433 | /* success, no more avail */ |
a7cf7bae | 434 | pr_debug("txframe success, no more bufs\n"); |
00b3ed16 GKH |
435 | /* netdev->tbusy = 1; don't set here, irqhdlr */ |
436 | /* may have already cleared it */ | |
5b548140 | 437 | result = NETDEV_TX_OK; |
b4b3f0da | 438 | } else if (txresult == 2) { |
00b3ed16 | 439 | /* alloc failure, drop frame */ |
a7cf7bae | 440 | pr_debug("txframe returned alloc_fail\n"); |
5b548140 | 441 | result = NETDEV_TX_BUSY; |
00b3ed16 GKH |
442 | } else { |
443 | /* buffer full or queue busy, drop frame. */ | |
a7cf7bae | 444 | pr_debug("txframe returned full or busy\n"); |
5b548140 | 445 | result = NETDEV_TX_BUSY; |
00b3ed16 GKH |
446 | } |
447 | ||
b4b3f0da | 448 | failed: |
00b3ed16 GKH |
449 | /* Free up the WEP buffer if it's not the same as the skb */ |
450 | if ((p80211_wep.data) && (p80211_wep.data != skb->data)) | |
2f585191 | 451 | kzfree(p80211_wep.data); |
00b3ed16 GKH |
452 | |
453 | /* we always free the skb here, never in a lower level. */ | |
454 | if (!result) | |
455 | dev_kfree_skb(skb); | |
456 | ||
00b3ed16 GKH |
457 | return result; |
458 | } | |
459 | ||
00b3ed16 GKH |
460 | /*---------------------------------------------------------------- |
461 | * p80211knetdev_set_multicast_list | |
462 | * | |
463 | * Called from higher lavers whenever there's a need to set/clear | |
464 | * promiscuous mode or rewrite the multicast list. | |
465 | * | |
466 | * Arguments: | |
467 | * none | |
468 | * | |
469 | * Returns: | |
470 | * nothing | |
471 | ----------------------------------------------------------------*/ | |
297f06ce | 472 | static void p80211knetdev_set_multicast_list(netdevice_t *dev) |
00b3ed16 | 473 | { |
b4b3f0da | 474 | wlandevice_t *wlandev = dev->ml_priv; |
00b3ed16 | 475 | |
00b3ed16 GKH |
476 | /* TODO: real multicast support as well */ |
477 | ||
478 | if (wlandev->set_multicast_list) | |
479 | wlandev->set_multicast_list(wlandev, dev); | |
480 | ||
00b3ed16 GKH |
481 | } |
482 | ||
483 | #ifdef SIOCETHTOOL | |
484 | ||
297f06ce | 485 | static int p80211netdev_ethtool(wlandevice_t *wlandev, void __user *useraddr) |
00b3ed16 | 486 | { |
aaad4303 | 487 | u32 ethcmd; |
00b3ed16 GKH |
488 | struct ethtool_drvinfo info; |
489 | struct ethtool_value edata; | |
490 | ||
491 | memset(&info, 0, sizeof(info)); | |
492 | memset(&edata, 0, sizeof(edata)); | |
493 | ||
494 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) | |
495 | return -EFAULT; | |
496 | ||
497 | switch (ethcmd) { | |
498 | case ETHTOOL_GDRVINFO: | |
499 | info.cmd = ethcmd; | |
500 | snprintf(info.driver, sizeof(info.driver), "p80211_%s", | |
501 | wlandev->nsdname); | |
502 | snprintf(info.version, sizeof(info.version), "%s", | |
503 | WLAN_RELEASE); | |
504 | ||
00b3ed16 GKH |
505 | if (copy_to_user(useraddr, &info, sizeof(info))) |
506 | return -EFAULT; | |
507 | return 0; | |
508 | #ifdef ETHTOOL_GLINK | |
509 | case ETHTOOL_GLINK: | |
510 | edata.cmd = ethcmd; | |
511 | ||
512 | if (wlandev->linkstatus && | |
513 | (wlandev->macmode != WLAN_MACMODE_NONE)) { | |
514 | edata.data = 1; | |
515 | } else { | |
516 | edata.data = 0; | |
517 | } | |
518 | ||
519 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
b4b3f0da | 520 | return -EFAULT; |
00b3ed16 GKH |
521 | return 0; |
522 | } | |
523 | #endif | |
524 | ||
525 | return -EOPNOTSUPP; | |
526 | } | |
527 | ||
528 | #endif | |
529 | ||
530 | /*---------------------------------------------------------------- | |
531 | * p80211knetdev_do_ioctl | |
532 | * | |
533 | * Handle an ioctl call on one of our devices. Everything Linux | |
534 | * ioctl specific is done here. Then we pass the contents of the | |
535 | * ifr->data to the request message handler. | |
536 | * | |
537 | * Arguments: | |
538 | * dev Linux kernel netdevice | |
539 | * ifr Our private ioctl request structure, typed for the | |
540 | * generic struct ifreq so we can use ptr to func | |
541 | * w/o cast. | |
542 | * | |
543 | * Returns: | |
544 | * zero on success, a negative errno on failure. Possible values: | |
545 | * -ENETDOWN Device isn't up. | |
546 | * -EBUSY cmd already in progress | |
547 | * -ETIME p80211 cmd timed out (MSD may have its own timers) | |
548 | * -EFAULT memory fault copying msg from user buffer | |
549 | * -ENOMEM unable to allocate kernel msg buffer | |
550 | * -ENOSYS bad magic, it the cmd really for us? | |
aaad4303 | 551 | * -EintR sleeping on cmd, awakened by signal, cmd cancelled. |
00b3ed16 GKH |
552 | * |
553 | * Call Context: | |
554 | * Process thread (ioctl caller). TODO: SMP support may require | |
555 | * locks. | |
556 | ----------------------------------------------------------------*/ | |
297f06ce | 557 | static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd) |
00b3ed16 | 558 | { |
b4b3f0da MM |
559 | int result = 0; |
560 | p80211ioctl_req_t *req = (p80211ioctl_req_t *) ifr; | |
561 | wlandevice_t *wlandev = dev->ml_priv; | |
562 | u8 *msgbuf; | |
00b3ed16 | 563 | |
a7cf7bae | 564 | pr_debug("rx'd ioctl, cmd=%d, len=%d\n", cmd, req->len); |
00b3ed16 | 565 | |
00b3ed16 GKH |
566 | #ifdef SIOCETHTOOL |
567 | if (cmd == SIOCETHTOOL) { | |
b4b3f0da MM |
568 | result = |
569 | p80211netdev_ethtool(wlandev, (void __user *)ifr->ifr_data); | |
00b3ed16 GKH |
570 | goto bail; |
571 | } | |
572 | #endif | |
573 | ||
574 | /* Test the magic, assume ifr is good if it's there */ | |
b4b3f0da | 575 | if (req->magic != P80211_IOCTL_MAGIC) { |
00b3ed16 GKH |
576 | result = -ENOSYS; |
577 | goto bail; | |
578 | } | |
579 | ||
b4b3f0da | 580 | if (cmd == P80211_IFTEST) { |
00b3ed16 GKH |
581 | result = 0; |
582 | goto bail; | |
b4b3f0da | 583 | } else if (cmd != P80211_IFREQ) { |
00b3ed16 GKH |
584 | result = -ENOSYS; |
585 | goto bail; | |
586 | } | |
587 | ||
588 | /* Allocate a buf of size req->len */ | |
5dd8acc8 SK |
589 | msgbuf = kmalloc(req->len, GFP_KERNEL); |
590 | if (msgbuf) { | |
b4b3f0da | 591 | if (copy_from_user(msgbuf, (void __user *)req->data, req->len)) |
00b3ed16 | 592 | result = -EFAULT; |
b4b3f0da MM |
593 | else |
594 | result = p80211req_dorequest(wlandev, msgbuf); | |
00b3ed16 | 595 | |
b4b3f0da MM |
596 | if (result == 0) { |
597 | if (copy_to_user | |
598 | ((void __user *)req->data, msgbuf, req->len)) { | |
00b3ed16 GKH |
599 | result = -EFAULT; |
600 | } | |
601 | } | |
602 | kfree(msgbuf); | |
603 | } else { | |
604 | result = -ENOMEM; | |
605 | } | |
606 | bail: | |
b4b3f0da | 607 | return result; /* If allocate,copyfrom or copyto fails, return errno */ |
00b3ed16 GKH |
608 | } |
609 | ||
610 | /*---------------------------------------------------------------- | |
611 | * p80211knetdev_set_mac_address | |
612 | * | |
613 | * Handles the ioctl for changing the MACAddress of a netdevice | |
614 | * | |
615 | * references: linux/netdevice.h and drivers/net/net_init.c | |
616 | * | |
617 | * NOTE: [MSM] We only prevent address changes when the netdev is | |
618 | * up. We don't control anything based on dot11 state. If the | |
619 | * address is changed on a STA that's currently associated, you | |
620 | * will probably lose the ability to send and receive data frames. | |
621 | * Just be aware. Therefore, this should usually only be done | |
622 | * prior to scan/join/auth/assoc. | |
623 | * | |
624 | * Arguments: | |
625 | * dev netdevice struct | |
626 | * addr the new MACAddress (a struct) | |
627 | * | |
628 | * Returns: | |
629 | * zero on success, a negative errno on failure. Possible values: | |
630 | * -EBUSY device is bussy (cmd not possible) | |
631 | * -and errors returned by: p80211req_dorequest(..) | |
632 | * | |
633 | * by: Collin R. Mulliner <collin@mulliner.org> | |
634 | ----------------------------------------------------------------*/ | |
297f06ce | 635 | static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr) |
00b3ed16 | 636 | { |
b4b3f0da MM |
637 | struct sockaddr *new_addr = addr; |
638 | p80211msg_dot11req_mibset_t dot11req; | |
639 | p80211item_unk392_t *mibattr; | |
640 | p80211item_pstr6_t *macaddr; | |
641 | p80211item_uint32_t *resultcode; | |
00b3ed16 GKH |
642 | int result = 0; |
643 | ||
00b3ed16 | 644 | /* If we're running, we don't allow MAC address changes */ |
b4b3f0da | 645 | if (netif_running(dev)) |
00b3ed16 | 646 | return -EBUSY; |
00b3ed16 GKH |
647 | |
648 | /* Set up some convenience pointers. */ | |
649 | mibattr = &dot11req.mibattribute; | |
5dd8acc8 | 650 | macaddr = (p80211item_pstr6_t *) &mibattr->data; |
00b3ed16 GKH |
651 | resultcode = &dot11req.resultcode; |
652 | ||
653 | /* Set up a dot11req_mibset */ | |
654 | memset(&dot11req, 0, sizeof(p80211msg_dot11req_mibset_t)); | |
655 | dot11req.msgcode = DIDmsg_dot11req_mibset; | |
656 | dot11req.msglen = sizeof(p80211msg_dot11req_mibset_t); | |
657 | memcpy(dot11req.devname, | |
b4b3f0da | 658 | ((wlandevice_t *) dev->ml_priv)->name, WLAN_DEVNAMELEN_MAX - 1); |
00b3ed16 GKH |
659 | |
660 | /* Set up the mibattribute argument */ | |
661 | mibattr->did = DIDmsg_dot11req_mibset_mibattribute; | |
662 | mibattr->status = P80211ENUM_msgitem_status_data_ok; | |
663 | mibattr->len = sizeof(mibattr->data); | |
664 | ||
665 | macaddr->did = DIDmib_dot11mac_dot11OperationTable_dot11MACAddress; | |
666 | macaddr->status = P80211ENUM_msgitem_status_data_ok; | |
667 | macaddr->len = sizeof(macaddr->data); | |
28b17a4b MM |
668 | macaddr->data.len = ETH_ALEN; |
669 | memcpy(&macaddr->data.data, new_addr->sa_data, ETH_ALEN); | |
00b3ed16 GKH |
670 | |
671 | /* Set up the resultcode argument */ | |
672 | resultcode->did = DIDmsg_dot11req_mibset_resultcode; | |
673 | resultcode->status = P80211ENUM_msgitem_status_no_value; | |
674 | resultcode->len = sizeof(resultcode->data); | |
675 | resultcode->data = 0; | |
676 | ||
677 | /* now fire the request */ | |
5dd8acc8 | 678 | result = p80211req_dorequest(dev->ml_priv, (u8 *) &dot11req); |
00b3ed16 GKH |
679 | |
680 | /* If the request wasn't successful, report an error and don't | |
681 | * change the netdev address | |
682 | */ | |
b4b3f0da | 683 | if (result != 0 || resultcode->data != P80211ENUM_resultcode_success) { |
edbd606c | 684 | printk(KERN_ERR |
b4b3f0da | 685 | "Low-level driver failed dot11req_mibset(dot11MACAddress).\n"); |
00b3ed16 GKH |
686 | result = -EADDRNOTAVAIL; |
687 | } else { | |
688 | /* everything's ok, change the addr in netdev */ | |
689 | memcpy(dev->dev_addr, new_addr->sa_data, dev->addr_len); | |
690 | } | |
691 | ||
00b3ed16 GKH |
692 | return result; |
693 | } | |
694 | ||
297f06ce | 695 | static int wlan_change_mtu(netdevice_t *dev, int new_mtu) |
00b3ed16 | 696 | { |
b4b3f0da MM |
697 | /* 2312 is max 802.11 payload, 20 is overhead, (ether + llc +snap) |
698 | and another 8 for wep. */ | |
699 | if ((new_mtu < 68) || (new_mtu > (2312 - 20 - 8))) | |
700 | return -EINVAL; | |
00b3ed16 | 701 | |
b4b3f0da | 702 | dev->mtu = new_mtu; |
00b3ed16 | 703 | |
b4b3f0da | 704 | return 0; |
00b3ed16 GKH |
705 | } |
706 | ||
cea96778 | 707 | static const struct net_device_ops p80211_netdev_ops = { |
75f49e07 MT |
708 | .ndo_init = p80211knetdev_init, |
709 | .ndo_open = p80211knetdev_open, | |
710 | .ndo_stop = p80211knetdev_stop, | |
711 | .ndo_get_stats = p80211knetdev_get_stats, | |
712 | .ndo_start_xmit = p80211knetdev_hard_start_xmit, | |
713 | .ndo_set_multicast_list = p80211knetdev_set_multicast_list, | |
714 | .ndo_do_ioctl = p80211knetdev_do_ioctl, | |
715 | .ndo_set_mac_address = p80211knetdev_set_mac_address, | |
716 | .ndo_tx_timeout = p80211knetdev_tx_timeout, | |
717 | .ndo_change_mtu = wlan_change_mtu, | |
718 | .ndo_validate_addr = eth_validate_addr, | |
cea96778 AB |
719 | }; |
720 | ||
00b3ed16 GKH |
721 | /*---------------------------------------------------------------- |
722 | * wlan_setup | |
723 | * | |
724 | * Roughly matches the functionality of ether_setup. Here | |
725 | * we set up any members of the wlandevice structure that are common | |
726 | * to all devices. Additionally, we allocate a linux 'struct device' | |
727 | * and perform the same setup as ether_setup. | |
728 | * | |
729 | * Note: It's important that the caller have setup the wlandev->name | |
730 | * ptr prior to calling this function. | |
731 | * | |
732 | * Arguments: | |
733 | * wlandev ptr to the wlandev structure for the | |
734 | * interface. | |
735 | * Returns: | |
736 | * zero on success, non-zero otherwise. | |
737 | * Call Context: | |
738 | * Should be process thread. We'll assume it might be | |
739 | * interrupt though. When we add support for statically | |
740 | * compiled drivers, this function will be called in the | |
741 | * context of the kernel startup code. | |
742 | ----------------------------------------------------------------*/ | |
297f06ce | 743 | int wlan_setup(wlandevice_t *wlandev) |
00b3ed16 | 744 | { |
b4b3f0da MM |
745 | int result = 0; |
746 | netdevice_t *dev; | |
00b3ed16 | 747 | |
00b3ed16 GKH |
748 | /* Set up the wlandev */ |
749 | wlandev->state = WLAN_DEVICE_CLOSED; | |
750 | wlandev->ethconv = WLAN_ETHCONV_8021h; | |
751 | wlandev->macmode = WLAN_MACMODE_NONE; | |
752 | ||
753 | /* Set up the rx queue */ | |
754 | skb_queue_head_init(&wlandev->nsd_rxq); | |
755 | tasklet_init(&wlandev->rx_bh, | |
b4b3f0da | 756 | p80211netdev_rx_bh, (unsigned long)wlandev); |
00b3ed16 GKH |
757 | |
758 | /* Allocate and initialize the struct device */ | |
b4b3f0da MM |
759 | dev = alloc_netdev(0, "wlan%d", ether_setup); |
760 | if (dev == NULL) { | |
edbd606c | 761 | printk(KERN_ERR "Failed to alloc netdev.\n"); |
00b3ed16 GKH |
762 | result = 1; |
763 | } else { | |
00b3ed16 | 764 | wlandev->netdev = dev; |
979123d5 | 765 | dev->ml_priv = wlandev; |
cea96778 | 766 | dev->netdev_ops = &p80211_netdev_ops; |
00b3ed16 | 767 | |
00b3ed16 | 768 | dev->wireless_handlers = &p80211wext_handler_def; |
00b3ed16 | 769 | |
00b3ed16 | 770 | netif_stop_queue(dev); |
00b3ed16 GKH |
771 | netif_carrier_off(dev); |
772 | } | |
773 | ||
00b3ed16 GKH |
774 | return result; |
775 | } | |
776 | ||
777 | /*---------------------------------------------------------------- | |
778 | * wlan_unsetup | |
779 | * | |
780 | * This function is paired with the wlan_setup routine. It should | |
781 | * be called after unregister_wlandev. Basically, all it does is | |
782 | * free the 'struct device' that's associated with the wlandev. | |
783 | * We do it here because the 'struct device' isn't allocated | |
784 | * explicitly in the driver code, it's done in wlan_setup. To | |
785 | * do the free in the driver might seem like 'magic'. | |
786 | * | |
787 | * Arguments: | |
788 | * wlandev ptr to the wlandev structure for the | |
789 | * interface. | |
790 | * Returns: | |
791 | * zero on success, non-zero otherwise. | |
792 | * Call Context: | |
793 | * Should be process thread. We'll assume it might be | |
794 | * interrupt though. When we add support for statically | |
795 | * compiled drivers, this function will be called in the | |
796 | * context of the kernel startup code. | |
797 | ----------------------------------------------------------------*/ | |
297f06ce | 798 | int wlan_unsetup(wlandevice_t *wlandev) |
00b3ed16 | 799 | { |
b4b3f0da | 800 | int result = 0; |
00b3ed16 | 801 | |
00b3ed16 GKH |
802 | tasklet_kill(&wlandev->rx_bh); |
803 | ||
b4b3f0da | 804 | if (wlandev->netdev == NULL) { |
edbd606c | 805 | printk(KERN_ERR "called without wlandev->netdev set.\n"); |
00b3ed16 GKH |
806 | result = 1; |
807 | } else { | |
808 | free_netdev(wlandev->netdev); | |
809 | wlandev->netdev = NULL; | |
810 | } | |
811 | ||
00b3ed16 GKH |
812 | return 0; |
813 | } | |
814 | ||
00b3ed16 GKH |
815 | /*---------------------------------------------------------------- |
816 | * register_wlandev | |
817 | * | |
818 | * Roughly matches the functionality of register_netdev. This function | |
819 | * is called after the driver has successfully probed and set up the | |
820 | * resources for the device. It's now ready to become a named device | |
821 | * in the Linux system. | |
822 | * | |
823 | * First we allocate a name for the device (if not already set), then | |
824 | * we call the Linux function register_netdevice. | |
825 | * | |
826 | * Arguments: | |
827 | * wlandev ptr to the wlandev structure for the | |
828 | * interface. | |
829 | * Returns: | |
830 | * zero on success, non-zero otherwise. | |
831 | * Call Context: | |
832 | * Can be either interrupt or not. | |
833 | ----------------------------------------------------------------*/ | |
297f06ce | 834 | int register_wlandev(wlandevice_t *wlandev) |
00b3ed16 | 835 | { |
b4b3f0da | 836 | int i = 0; |
00b3ed16 | 837 | |
ee313528 RK |
838 | i = register_netdev(wlandev->netdev); |
839 | if (i) | |
840 | return i; | |
00b3ed16 | 841 | |
00b3ed16 GKH |
842 | return 0; |
843 | } | |
844 | ||
00b3ed16 GKH |
845 | /*---------------------------------------------------------------- |
846 | * unregister_wlandev | |
847 | * | |
848 | * Roughly matches the functionality of unregister_netdev. This | |
849 | * function is called to remove a named device from the system. | |
850 | * | |
851 | * First we tell linux that the device should no longer exist. | |
852 | * Then we remove it from the list of known wlan devices. | |
853 | * | |
854 | * Arguments: | |
855 | * wlandev ptr to the wlandev structure for the | |
856 | * interface. | |
857 | * Returns: | |
858 | * zero on success, non-zero otherwise. | |
859 | * Call Context: | |
860 | * Can be either interrupt or not. | |
861 | ----------------------------------------------------------------*/ | |
297f06ce | 862 | int unregister_wlandev(wlandevice_t *wlandev) |
00b3ed16 GKH |
863 | { |
864 | struct sk_buff *skb; | |
865 | ||
00b3ed16 GKH |
866 | unregister_netdev(wlandev->netdev); |
867 | ||
868 | /* Now to clean out the rx queue */ | |
b4b3f0da | 869 | while ((skb = skb_dequeue(&wlandev->nsd_rxq))) |
00b3ed16 | 870 | dev_kfree_skb(skb); |
00b3ed16 | 871 | |
00b3ed16 GKH |
872 | return 0; |
873 | } | |
874 | ||
00b3ed16 GKH |
875 | /*---------------------------------------------------------------- |
876 | * p80211netdev_hwremoved | |
877 | * | |
878 | * Hardware removed notification. This function should be called | |
879 | * immediately after an MSD has detected that the underlying hardware | |
880 | * has been yanked out from under us. The primary things we need | |
881 | * to do are: | |
882 | * - Mark the wlandev | |
883 | * - Prevent any further traffic from the knetdev i/f | |
884 | * - Prevent any further requests from mgmt i/f | |
885 | * - If there are any waitq'd mgmt requests or mgmt-frame exchanges, | |
886 | * shut them down. | |
887 | * - Call the MSD hwremoved function. | |
888 | * | |
889 | * The remainder of the cleanup will be handled by unregister(). | |
890 | * Our primary goal here is to prevent as much tickling of the MSD | |
891 | * as possible since the MSD is already in a 'wounded' state. | |
892 | * | |
893 | * TODO: As new features are added, this function should be | |
894 | * updated. | |
895 | * | |
896 | * Arguments: | |
897 | * wlandev WLAN network device structure | |
898 | * Returns: | |
899 | * nothing | |
900 | * Side effects: | |
901 | * | |
902 | * Call context: | |
903 | * Usually interrupt. | |
904 | ----------------------------------------------------------------*/ | |
297f06ce | 905 | void p80211netdev_hwremoved(wlandevice_t *wlandev) |
00b3ed16 | 906 | { |
00b3ed16 | 907 | wlandev->hwremoved = 1; |
b4b3f0da | 908 | if (wlandev->state == WLAN_DEVICE_OPEN) |
cbec30c4 | 909 | netif_stop_queue(wlandev->netdev); |
00b3ed16 GKH |
910 | |
911 | netif_device_detach(wlandev->netdev); | |
00b3ed16 GKH |
912 | } |
913 | ||
00b3ed16 GKH |
914 | /*---------------------------------------------------------------- |
915 | * p80211_rx_typedrop | |
916 | * | |
917 | * Classifies the frame, increments the appropriate counter, and | |
918 | * returns 0|1|2 indicating whether the driver should handle, ignore, or | |
919 | * drop the frame | |
920 | * | |
921 | * Arguments: | |
922 | * wlandev wlan device structure | |
923 | * fc frame control field | |
924 | * | |
925 | * Returns: | |
926 | * zero if the frame should be handled by the driver, | |
927 | * one if the frame should be ignored | |
928 | * anything else means we drop it. | |
929 | * | |
930 | * Side effects: | |
931 | * | |
932 | * Call context: | |
933 | * interrupt | |
934 | ----------------------------------------------------------------*/ | |
297f06ce | 935 | static int p80211_rx_typedrop(wlandevice_t *wlandev, u16 fc) |
00b3ed16 | 936 | { |
b4b3f0da MM |
937 | u16 ftype; |
938 | u16 fstype; | |
939 | int drop = 0; | |
00b3ed16 GKH |
940 | /* Classify frame, increment counter */ |
941 | ftype = WLAN_GET_FC_FTYPE(fc); | |
942 | fstype = WLAN_GET_FC_FSTYPE(fc); | |
943 | #if 0 | |
b4b3f0da | 944 | pr_debug("rx_typedrop : ftype=%d fstype=%d.\n", ftype, fstype); |
00b3ed16 | 945 | #endif |
b4b3f0da | 946 | switch (ftype) { |
00b3ed16 GKH |
947 | case WLAN_FTYPE_MGMT: |
948 | if ((wlandev->netdev->flags & IFF_PROMISC) || | |
b4b3f0da | 949 | (wlandev->netdev->flags & IFF_ALLMULTI)) { |
00b3ed16 GKH |
950 | drop = 1; |
951 | break; | |
952 | } | |
a7cf7bae | 953 | pr_debug("rx'd mgmt:\n"); |
00b3ed16 | 954 | wlandev->rx.mgmt++; |
b4b3f0da | 955 | switch (fstype) { |
00b3ed16 GKH |
956 | case WLAN_FSTYPE_ASSOCREQ: |
957 | /* printk("assocreq"); */ | |
958 | wlandev->rx.assocreq++; | |
959 | break; | |
960 | case WLAN_FSTYPE_ASSOCRESP: | |
961 | /* printk("assocresp"); */ | |
962 | wlandev->rx.assocresp++; | |
963 | break; | |
964 | case WLAN_FSTYPE_REASSOCREQ: | |
965 | /* printk("reassocreq"); */ | |
966 | wlandev->rx.reassocreq++; | |
967 | break; | |
968 | case WLAN_FSTYPE_REASSOCRESP: | |
969 | /* printk("reassocresp"); */ | |
970 | wlandev->rx.reassocresp++; | |
971 | break; | |
972 | case WLAN_FSTYPE_PROBEREQ: | |
973 | /* printk("probereq"); */ | |
974 | wlandev->rx.probereq++; | |
975 | break; | |
976 | case WLAN_FSTYPE_PROBERESP: | |
977 | /* printk("proberesp"); */ | |
978 | wlandev->rx.proberesp++; | |
979 | break; | |
980 | case WLAN_FSTYPE_BEACON: | |
981 | /* printk("beacon"); */ | |
982 | wlandev->rx.beacon++; | |
983 | break; | |
984 | case WLAN_FSTYPE_ATIM: | |
985 | /* printk("atim"); */ | |
986 | wlandev->rx.atim++; | |
987 | break; | |
988 | case WLAN_FSTYPE_DISASSOC: | |
989 | /* printk("disassoc"); */ | |
990 | wlandev->rx.disassoc++; | |
991 | break; | |
992 | case WLAN_FSTYPE_AUTHEN: | |
993 | /* printk("authen"); */ | |
994 | wlandev->rx.authen++; | |
995 | break; | |
996 | case WLAN_FSTYPE_DEAUTHEN: | |
997 | /* printk("deauthen"); */ | |
998 | wlandev->rx.deauthen++; | |
999 | break; | |
1000 | default: | |
1001 | /* printk("unknown"); */ | |
1002 | wlandev->rx.mgmt_unknown++; | |
1003 | break; | |
1004 | } | |
1005 | /* printk("\n"); */ | |
1006 | drop = 2; | |
1007 | break; | |
1008 | ||
1009 | case WLAN_FTYPE_CTL: | |
1010 | if ((wlandev->netdev->flags & IFF_PROMISC) || | |
b4b3f0da | 1011 | (wlandev->netdev->flags & IFF_ALLMULTI)) { |
00b3ed16 GKH |
1012 | drop = 1; |
1013 | break; | |
1014 | } | |
a7cf7bae | 1015 | pr_debug("rx'd ctl:\n"); |
00b3ed16 | 1016 | wlandev->rx.ctl++; |
b4b3f0da | 1017 | switch (fstype) { |
00b3ed16 GKH |
1018 | case WLAN_FSTYPE_PSPOLL: |
1019 | /* printk("pspoll"); */ | |
1020 | wlandev->rx.pspoll++; | |
1021 | break; | |
1022 | case WLAN_FSTYPE_RTS: | |
1023 | /* printk("rts"); */ | |
1024 | wlandev->rx.rts++; | |
1025 | break; | |
1026 | case WLAN_FSTYPE_CTS: | |
1027 | /* printk("cts"); */ | |
1028 | wlandev->rx.cts++; | |
1029 | break; | |
1030 | case WLAN_FSTYPE_ACK: | |
1031 | /* printk("ack"); */ | |
1032 | wlandev->rx.ack++; | |
1033 | break; | |
1034 | case WLAN_FSTYPE_CFEND: | |
1035 | /* printk("cfend"); */ | |
1036 | wlandev->rx.cfend++; | |
1037 | break; | |
1038 | case WLAN_FSTYPE_CFENDCFACK: | |
1039 | /* printk("cfendcfack"); */ | |
1040 | wlandev->rx.cfendcfack++; | |
1041 | break; | |
1042 | default: | |
1043 | /* printk("unknown"); */ | |
1044 | wlandev->rx.ctl_unknown++; | |
1045 | break; | |
1046 | } | |
1047 | /* printk("\n"); */ | |
1048 | drop = 2; | |
1049 | break; | |
1050 | ||
1051 | case WLAN_FTYPE_DATA: | |
1052 | wlandev->rx.data++; | |
b4b3f0da | 1053 | switch (fstype) { |
00b3ed16 GKH |
1054 | case WLAN_FSTYPE_DATAONLY: |
1055 | wlandev->rx.dataonly++; | |
1056 | break; | |
1057 | case WLAN_FSTYPE_DATA_CFACK: | |
1058 | wlandev->rx.data_cfack++; | |
1059 | break; | |
1060 | case WLAN_FSTYPE_DATA_CFPOLL: | |
1061 | wlandev->rx.data_cfpoll++; | |
1062 | break; | |
1063 | case WLAN_FSTYPE_DATA_CFACK_CFPOLL: | |
1064 | wlandev->rx.data__cfack_cfpoll++; | |
1065 | break; | |
1066 | case WLAN_FSTYPE_NULL: | |
a7cf7bae | 1067 | pr_debug("rx'd data:null\n"); |
00b3ed16 GKH |
1068 | wlandev->rx.null++; |
1069 | break; | |
1070 | case WLAN_FSTYPE_CFACK: | |
a7cf7bae | 1071 | pr_debug("rx'd data:cfack\n"); |
00b3ed16 GKH |
1072 | wlandev->rx.cfack++; |
1073 | break; | |
1074 | case WLAN_FSTYPE_CFPOLL: | |
a7cf7bae | 1075 | pr_debug("rx'd data:cfpoll\n"); |
00b3ed16 GKH |
1076 | wlandev->rx.cfpoll++; |
1077 | break; | |
1078 | case WLAN_FSTYPE_CFACK_CFPOLL: | |
a7cf7bae | 1079 | pr_debug("rx'd data:cfack_cfpoll\n"); |
00b3ed16 GKH |
1080 | wlandev->rx.cfack_cfpoll++; |
1081 | break; | |
1082 | default: | |
1083 | /* printk("unknown"); */ | |
1084 | wlandev->rx.data_unknown++; | |
1085 | break; | |
1086 | } | |
1087 | ||
1088 | break; | |
1089 | } | |
1090 | return drop; | |
1091 | } | |
1092 | ||
297f06ce | 1093 | static void p80211knetdev_tx_timeout(netdevice_t *netdev) |
00b3ed16 | 1094 | { |
b4b3f0da | 1095 | wlandevice_t *wlandev = netdev->ml_priv; |
00b3ed16 GKH |
1096 | |
1097 | if (wlandev->tx_timeout) { | |
1098 | wlandev->tx_timeout(wlandev); | |
1099 | } else { | |
9b9556ec | 1100 | printk(KERN_WARNING "Implement tx_timeout for %s\n", |
b4b3f0da | 1101 | wlandev->nsdname); |
cbec30c4 | 1102 | netif_wake_queue(wlandev->netdev); |
00b3ed16 | 1103 | } |
00b3ed16 | 1104 | } |