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Commit | Line | Data |
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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 | 77 | #include <net/net_namespace.h> |
cb3126e6 | 78 | #include <net/cfg80211.h> |
00b3ed16 | 79 | |
00b3ed16 GKH |
80 | #include "p80211types.h" |
81 | #include "p80211hdr.h" | |
82 | #include "p80211conv.h" | |
83 | #include "p80211mgmt.h" | |
84 | #include "p80211msg.h" | |
85 | #include "p80211netdev.h" | |
86 | #include "p80211ioctl.h" | |
87 | #include "p80211req.h" | |
88 | #include "p80211metastruct.h" | |
89 | #include "p80211metadef.h" | |
90 | ||
cb3126e6 KR |
91 | #include "cfg80211.c" |
92 | ||
00b3ed16 | 93 | /* netdevice method functions */ |
297f06ce | 94 | static int p80211knetdev_init(netdevice_t *netdev); |
297f06ce MT |
95 | static int p80211knetdev_open(netdevice_t *netdev); |
96 | static int p80211knetdev_stop(netdevice_t *netdev); | |
b4b3f0da | 97 | static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, |
297f06ce MT |
98 | netdevice_t *netdev); |
99 | static void p80211knetdev_set_multicast_list(netdevice_t *dev); | |
100 | static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, | |
b4b3f0da | 101 | int cmd); |
297f06ce MT |
102 | static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr); |
103 | static void p80211knetdev_tx_timeout(netdevice_t *netdev); | |
104 | static int p80211_rx_typedrop(wlandevice_t *wlandev, u16 fc); | |
00b3ed16 | 105 | |
e02c69b8 SP |
106 | int wlan_watchdog = 5000; |
107 | module_param(wlan_watchdog, int, 0644); | |
108 | MODULE_PARM_DESC(wlan_watchdog, "transmit timeout in milliseconds"); | |
00b3ed16 | 109 | |
e02c69b8 SP |
110 | int wlan_wext_write = 1; |
111 | module_param(wlan_wext_write, int, 0644); | |
112 | MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions"); | |
00b3ed16 | 113 | |
00b3ed16 GKH |
114 | /*---------------------------------------------------------------- |
115 | * p80211knetdev_init | |
116 | * | |
117 | * Init method for a Linux netdevice. Called in response to | |
118 | * register_netdev. | |
119 | * | |
120 | * Arguments: | |
121 | * none | |
122 | * | |
123 | * Returns: | |
124 | * nothing | |
125 | ----------------------------------------------------------------*/ | |
297f06ce | 126 | static int p80211knetdev_init(netdevice_t *netdev) |
00b3ed16 | 127 | { |
00b3ed16 GKH |
128 | /* Called in response to register_netdev */ |
129 | /* This is usually the probe function, but the probe has */ | |
130 | /* already been done by the MSD and the create_kdev */ | |
131 | /* function. All we do here is return success */ | |
00b3ed16 GKH |
132 | return 0; |
133 | } | |
134 | ||
00b3ed16 GKH |
135 | /*---------------------------------------------------------------- |
136 | * p80211knetdev_open | |
137 | * | |
138 | * Linux netdevice open method. Following a successful call here, | |
139 | * the device is supposed to be ready for tx and rx. In our | |
140 | * situation that may not be entirely true due to the state of the | |
141 | * MAC below. | |
142 | * | |
143 | * Arguments: | |
144 | * netdev Linux network device structure | |
145 | * | |
146 | * Returns: | |
147 | * zero on success, non-zero otherwise | |
148 | ----------------------------------------------------------------*/ | |
297f06ce | 149 | static int p80211knetdev_open(netdevice_t *netdev) |
00b3ed16 | 150 | { |
b4b3f0da MM |
151 | int result = 0; /* success */ |
152 | wlandevice_t *wlandev = netdev->ml_priv; | |
00b3ed16 | 153 | |
00b3ed16 | 154 | /* Check to make sure the MSD is running */ |
b4b3f0da | 155 | if (wlandev->msdstate != WLAN_MSD_RUNNING) |
00b3ed16 | 156 | return -ENODEV; |
00b3ed16 GKH |
157 | |
158 | /* Tell the MSD to open */ | |
b4b3f0da | 159 | if (wlandev->open != NULL) { |
00b3ed16 | 160 | result = wlandev->open(wlandev); |
b4b3f0da | 161 | if (result == 0) { |
cbec30c4 | 162 | netif_start_queue(wlandev->netdev); |
00b3ed16 GKH |
163 | wlandev->state = WLAN_DEVICE_OPEN; |
164 | } | |
165 | } else { | |
166 | result = -EAGAIN; | |
167 | } | |
168 | ||
00b3ed16 GKH |
169 | return result; |
170 | } | |
171 | ||
00b3ed16 GKH |
172 | /*---------------------------------------------------------------- |
173 | * p80211knetdev_stop | |
174 | * | |
175 | * Linux netdevice stop (close) method. Following this call, | |
176 | * no frames should go up or down through this interface. | |
177 | * | |
178 | * Arguments: | |
179 | * netdev Linux network device structure | |
180 | * | |
181 | * Returns: | |
182 | * zero on success, non-zero otherwise | |
183 | ----------------------------------------------------------------*/ | |
297f06ce | 184 | static int p80211knetdev_stop(netdevice_t *netdev) |
00b3ed16 | 185 | { |
b4b3f0da MM |
186 | int result = 0; |
187 | wlandevice_t *wlandev = netdev->ml_priv; | |
00b3ed16 | 188 | |
b4b3f0da | 189 | if (wlandev->close != NULL) |
00b3ed16 | 190 | result = wlandev->close(wlandev); |
00b3ed16 | 191 | |
cbec30c4 | 192 | netif_stop_queue(wlandev->netdev); |
00b3ed16 GKH |
193 | wlandev->state = WLAN_DEVICE_CLOSED; |
194 | ||
00b3ed16 GKH |
195 | return result; |
196 | } | |
197 | ||
198 | /*---------------------------------------------------------------- | |
199 | * p80211netdev_rx | |
200 | * | |
201 | * Frame receive function called by the mac specific driver. | |
202 | * | |
203 | * Arguments: | |
204 | * wlandev WLAN network device structure | |
205 | * skb skbuff containing a full 802.11 frame. | |
206 | * Returns: | |
207 | * nothing | |
208 | * Side effects: | |
209 | * | |
210 | ----------------------------------------------------------------*/ | |
297f06ce | 211 | void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb) |
00b3ed16 | 212 | { |
00b3ed16 GKH |
213 | /* Enqueue for post-irq processing */ |
214 | skb_queue_tail(&wlandev->nsd_rxq, skb); | |
00b3ed16 | 215 | tasklet_schedule(&wlandev->rx_bh); |
00b3ed16 GKH |
216 | } |
217 | ||
ccc3a598 DP |
218 | #define CONV_TO_ETHER_SKIPPED 0x01 |
219 | #define CONV_TO_ETHER_FAILED 0x02 | |
220 | ||
221 | /** | |
ae4af9ad | 222 | * p80211_convert_to_ether - conversion from 802.11 frame to ethernet frame |
ccc3a598 DP |
223 | * @wlandev: pointer to WLAN device |
224 | * @skb: pointer to socket buffer | |
225 | * | |
226 | * Returns: 0 if conversion succeeded | |
227 | * CONV_TO_ETHER_FAILED if conversion failed | |
228 | * CONV_TO_ETHER_SKIPPED if frame is ignored | |
229 | */ | |
ae4af9ad | 230 | static int p80211_convert_to_ether(wlandevice_t *wlandev, struct sk_buff *skb) |
ccc3a598 DP |
231 | { |
232 | struct p80211_hdr_a3 *hdr; | |
233 | ||
234 | hdr = (struct p80211_hdr_a3 *) skb->data; | |
235 | if (p80211_rx_typedrop(wlandev, hdr->fc)) | |
236 | return CONV_TO_ETHER_SKIPPED; | |
237 | ||
95c9668d DP |
238 | /* perform mcast filtering: allow my local address through but reject |
239 | * anything else that isn't multicast | |
240 | */ | |
ccc3a598 | 241 | if (wlandev->netdev->flags & IFF_ALLMULTI) { |
9b3ac7a8 DP |
242 | if (!ether_addr_equal_unaligned(wlandev->netdev->dev_addr, |
243 | hdr->a1)) { | |
02b3b53a | 244 | if (!is_multicast_ether_addr(hdr->a1)) |
ccc3a598 DP |
245 | return CONV_TO_ETHER_SKIPPED; |
246 | } | |
247 | } | |
248 | ||
249 | if (skb_p80211_to_ether(wlandev, wlandev->ethconv, skb) == 0) { | |
250 | skb->dev->last_rx = jiffies; | |
9630f6b9 TK |
251 | wlandev->netdev->stats.rx_packets++; |
252 | wlandev->netdev->stats.rx_bytes += skb->len; | |
ccc3a598 DP |
253 | netif_rx_ni(skb); |
254 | return 0; | |
255 | } | |
256 | ||
79f9e634 | 257 | netdev_dbg(wlandev->netdev, "p80211_convert_to_ether failed.\n"); |
ccc3a598 DP |
258 | return CONV_TO_ETHER_FAILED; |
259 | } | |
260 | ||
67c4ded5 DP |
261 | /** |
262 | * p80211netdev_rx_bh - deferred processing of all received frames | |
263 | * | |
264 | * @arg: pointer to WLAN network device structure (cast to unsigned long) | |
265 | */ | |
00b3ed16 GKH |
266 | static void p80211netdev_rx_bh(unsigned long arg) |
267 | { | |
268 | wlandevice_t *wlandev = (wlandevice_t *) arg; | |
269 | struct sk_buff *skb = NULL; | |
b4b3f0da | 270 | netdevice_t *dev = wlandev->netdev; |
00b3ed16 | 271 | |
00b3ed16 | 272 | /* Let's empty our our queue */ |
b4b3f0da | 273 | while ((skb = skb_dequeue(&wlandev->nsd_rxq))) { |
00b3ed16 GKH |
274 | if (wlandev->state == WLAN_DEVICE_OPEN) { |
275 | ||
276 | if (dev->type != ARPHRD_ETHER) { | |
277 | /* RAW frame; we shouldn't convert it */ | |
b4b3f0da | 278 | /* XXX Append the Prism Header here instead. */ |
00b3ed16 GKH |
279 | |
280 | /* set up various data fields */ | |
281 | skb->dev = dev; | |
282 | skb_reset_mac_header(skb); | |
283 | skb->ip_summed = CHECKSUM_NONE; | |
284 | skb->pkt_type = PACKET_OTHERHOST; | |
285 | skb->protocol = htons(ETH_P_80211_RAW); | |
286 | dev->last_rx = jiffies; | |
287 | ||
9630f6b9 TK |
288 | dev->stats.rx_packets++; |
289 | dev->stats.rx_bytes += skb->len; | |
00b3ed16 GKH |
290 | netif_rx_ni(skb); |
291 | continue; | |
292 | } else { | |
ae4af9ad | 293 | if (!p80211_convert_to_ether(wlandev, skb)) |
00b3ed16 | 294 | continue; |
00b3ed16 GKH |
295 | } |
296 | } | |
297 | dev_kfree_skb(skb); | |
298 | } | |
00b3ed16 GKH |
299 | } |
300 | ||
00b3ed16 GKH |
301 | /*---------------------------------------------------------------- |
302 | * p80211knetdev_hard_start_xmit | |
303 | * | |
304 | * Linux netdevice method for transmitting a frame. | |
305 | * | |
306 | * Arguments: | |
307 | * skb Linux sk_buff containing the frame. | |
308 | * netdev Linux netdevice. | |
309 | * | |
310 | * Side effects: | |
311 | * If the lower layers report that buffers are full. netdev->tbusy | |
312 | * will be set to prevent higher layers from sending more traffic. | |
313 | * | |
314 | * Note: If this function returns non-zero, higher layers retain | |
315 | * ownership of the skb. | |
316 | * | |
317 | * Returns: | |
318 | * zero on success, non-zero on failure. | |
319 | ----------------------------------------------------------------*/ | |
b4b3f0da | 320 | static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, |
297f06ce | 321 | netdevice_t *netdev) |
00b3ed16 | 322 | { |
b4b3f0da MM |
323 | int result = 0; |
324 | int txresult = -1; | |
325 | wlandevice_t *wlandev = netdev->ml_priv; | |
93df38e5 | 326 | union p80211_hdr p80211_hdr; |
51e4896a | 327 | struct p80211_metawep p80211_wep; |
00b3ed16 | 328 | |
fae7e4d3 PH |
329 | p80211_wep.data = NULL; |
330 | ||
1e613801 | 331 | if (!skb) |
ec634fe3 | 332 | return NETDEV_TX_OK; |
00b3ed16 | 333 | |
b4b3f0da | 334 | if (wlandev->state != WLAN_DEVICE_OPEN) { |
00b3ed16 GKH |
335 | result = 1; |
336 | goto failed; | |
337 | } | |
338 | ||
93df38e5 | 339 | memset(&p80211_hdr, 0, sizeof(union p80211_hdr)); |
51e4896a | 340 | memset(&p80211_wep, 0, sizeof(struct p80211_metawep)); |
00b3ed16 | 341 | |
b4b3f0da | 342 | if (netif_queue_stopped(netdev)) { |
79f9e634 | 343 | netdev_dbg(netdev, "called when queue stopped.\n"); |
00b3ed16 GKH |
344 | result = 1; |
345 | goto failed; | |
346 | } | |
347 | ||
348 | netif_stop_queue(netdev); | |
349 | ||
00b3ed16 | 350 | /* Check to see that a valid mode is set */ |
b4b3f0da | 351 | switch (wlandev->macmode) { |
00b3ed16 GKH |
352 | case WLAN_MACMODE_IBSS_STA: |
353 | case WLAN_MACMODE_ESS_STA: | |
354 | case WLAN_MACMODE_ESS_AP: | |
355 | break; | |
356 | default: | |
357 | /* Mode isn't set yet, just drop the frame | |
358 | * and return success . | |
359 | * TODO: we need a saner way to handle this | |
360 | */ | |
cb6c1ee3 | 361 | if (be16_to_cpu(skb->protocol) != ETH_P_80211_RAW) { |
cbec30c4 | 362 | netif_start_queue(wlandev->netdev); |
79f9e634 | 363 | netdev_notice(netdev, "Tx attempt prior to association, frame dropped.\n"); |
9630f6b9 | 364 | netdev->stats.tx_dropped++; |
00b3ed16 GKH |
365 | result = 0; |
366 | goto failed; | |
367 | } | |
368 | break; | |
369 | } | |
370 | ||
371 | /* Check for raw transmits */ | |
cb6c1ee3 | 372 | if (be16_to_cpu(skb->protocol) == ETH_P_80211_RAW) { |
00b3ed16 GKH |
373 | if (!capable(CAP_NET_ADMIN)) { |
374 | result = 1; | |
375 | goto failed; | |
376 | } | |
377 | /* move the header over */ | |
93df38e5 EH |
378 | memcpy(&p80211_hdr, skb->data, sizeof(union p80211_hdr)); |
379 | skb_pull(skb, sizeof(union p80211_hdr)); | |
00b3ed16 | 380 | } else { |
b4b3f0da MM |
381 | if (skb_ether_to_p80211 |
382 | (wlandev, wlandev->ethconv, skb, &p80211_hdr, | |
383 | &p80211_wep) != 0) { | |
00b3ed16 | 384 | /* convert failed */ |
79f9e634 DP |
385 | netdev_dbg(netdev, "ether_to_80211(%d) failed.\n", |
386 | wlandev->ethconv); | |
00b3ed16 GKH |
387 | result = 1; |
388 | goto failed; | |
389 | } | |
390 | } | |
1e613801 | 391 | if (!wlandev->txframe) { |
00b3ed16 GKH |
392 | result = 1; |
393 | goto failed; | |
394 | } | |
395 | ||
860e9538 | 396 | netif_trans_update(netdev); |
00b3ed16 | 397 | |
9630f6b9 | 398 | netdev->stats.tx_packets++; |
00b3ed16 | 399 | /* count only the packet payload */ |
9630f6b9 | 400 | netdev->stats.tx_bytes += skb->len; |
00b3ed16 GKH |
401 | |
402 | txresult = wlandev->txframe(wlandev, skb, &p80211_hdr, &p80211_wep); | |
403 | ||
b4b3f0da | 404 | if (txresult == 0) { |
00b3ed16 GKH |
405 | /* success and more buf */ |
406 | /* avail, re: hw_txdata */ | |
cbec30c4 | 407 | netif_wake_queue(wlandev->netdev); |
5b548140 | 408 | result = NETDEV_TX_OK; |
b4b3f0da | 409 | } else if (txresult == 1) { |
00b3ed16 | 410 | /* success, no more avail */ |
79f9e634 | 411 | netdev_dbg(netdev, "txframe success, no more bufs\n"); |
00b3ed16 GKH |
412 | /* netdev->tbusy = 1; don't set here, irqhdlr */ |
413 | /* may have already cleared it */ | |
5b548140 | 414 | result = NETDEV_TX_OK; |
b4b3f0da | 415 | } else if (txresult == 2) { |
00b3ed16 | 416 | /* alloc failure, drop frame */ |
79f9e634 | 417 | netdev_dbg(netdev, "txframe returned alloc_fail\n"); |
5b548140 | 418 | result = NETDEV_TX_BUSY; |
00b3ed16 GKH |
419 | } else { |
420 | /* buffer full or queue busy, drop frame. */ | |
79f9e634 | 421 | netdev_dbg(netdev, "txframe returned full or busy\n"); |
5b548140 | 422 | result = NETDEV_TX_BUSY; |
00b3ed16 GKH |
423 | } |
424 | ||
b4b3f0da | 425 | failed: |
00b3ed16 GKH |
426 | /* Free up the WEP buffer if it's not the same as the skb */ |
427 | if ((p80211_wep.data) && (p80211_wep.data != skb->data)) | |
2f585191 | 428 | kzfree(p80211_wep.data); |
00b3ed16 GKH |
429 | |
430 | /* we always free the skb here, never in a lower level. */ | |
431 | if (!result) | |
432 | dev_kfree_skb(skb); | |
433 | ||
00b3ed16 GKH |
434 | return result; |
435 | } | |
436 | ||
00b3ed16 GKH |
437 | /*---------------------------------------------------------------- |
438 | * p80211knetdev_set_multicast_list | |
439 | * | |
d34602de | 440 | * Called from higher layers whenever there's a need to set/clear |
00b3ed16 GKH |
441 | * promiscuous mode or rewrite the multicast list. |
442 | * | |
443 | * Arguments: | |
444 | * none | |
445 | * | |
446 | * Returns: | |
447 | * nothing | |
448 | ----------------------------------------------------------------*/ | |
297f06ce | 449 | static void p80211knetdev_set_multicast_list(netdevice_t *dev) |
00b3ed16 | 450 | { |
b4b3f0da | 451 | wlandevice_t *wlandev = dev->ml_priv; |
00b3ed16 | 452 | |
00b3ed16 GKH |
453 | /* TODO: real multicast support as well */ |
454 | ||
455 | if (wlandev->set_multicast_list) | |
456 | wlandev->set_multicast_list(wlandev, dev); | |
457 | ||
00b3ed16 GKH |
458 | } |
459 | ||
460 | #ifdef SIOCETHTOOL | |
461 | ||
297f06ce | 462 | static int p80211netdev_ethtool(wlandevice_t *wlandev, void __user *useraddr) |
00b3ed16 | 463 | { |
aaad4303 | 464 | u32 ethcmd; |
00b3ed16 GKH |
465 | struct ethtool_drvinfo info; |
466 | struct ethtool_value edata; | |
467 | ||
468 | memset(&info, 0, sizeof(info)); | |
469 | memset(&edata, 0, sizeof(edata)); | |
470 | ||
471 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) | |
472 | return -EFAULT; | |
473 | ||
474 | switch (ethcmd) { | |
475 | case ETHTOOL_GDRVINFO: | |
476 | info.cmd = ethcmd; | |
477 | snprintf(info.driver, sizeof(info.driver), "p80211_%s", | |
478 | wlandev->nsdname); | |
479 | snprintf(info.version, sizeof(info.version), "%s", | |
480 | WLAN_RELEASE); | |
481 | ||
00b3ed16 GKH |
482 | if (copy_to_user(useraddr, &info, sizeof(info))) |
483 | return -EFAULT; | |
484 | return 0; | |
485 | #ifdef ETHTOOL_GLINK | |
486 | case ETHTOOL_GLINK: | |
487 | edata.cmd = ethcmd; | |
488 | ||
489 | if (wlandev->linkstatus && | |
490 | (wlandev->macmode != WLAN_MACMODE_NONE)) { | |
491 | edata.data = 1; | |
492 | } else { | |
493 | edata.data = 0; | |
494 | } | |
495 | ||
496 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
b4b3f0da | 497 | return -EFAULT; |
00b3ed16 | 498 | return 0; |
00b3ed16 | 499 | #endif |
c3444e50 | 500 | } |
00b3ed16 GKH |
501 | |
502 | return -EOPNOTSUPP; | |
503 | } | |
504 | ||
505 | #endif | |
506 | ||
507 | /*---------------------------------------------------------------- | |
508 | * p80211knetdev_do_ioctl | |
509 | * | |
510 | * Handle an ioctl call on one of our devices. Everything Linux | |
511 | * ioctl specific is done here. Then we pass the contents of the | |
512 | * ifr->data to the request message handler. | |
513 | * | |
514 | * Arguments: | |
515 | * dev Linux kernel netdevice | |
516 | * ifr Our private ioctl request structure, typed for the | |
517 | * generic struct ifreq so we can use ptr to func | |
518 | * w/o cast. | |
519 | * | |
520 | * Returns: | |
521 | * zero on success, a negative errno on failure. Possible values: | |
522 | * -ENETDOWN Device isn't up. | |
523 | * -EBUSY cmd already in progress | |
524 | * -ETIME p80211 cmd timed out (MSD may have its own timers) | |
525 | * -EFAULT memory fault copying msg from user buffer | |
526 | * -ENOMEM unable to allocate kernel msg buffer | |
527 | * -ENOSYS bad magic, it the cmd really for us? | |
aaad4303 | 528 | * -EintR sleeping on cmd, awakened by signal, cmd cancelled. |
00b3ed16 GKH |
529 | * |
530 | * Call Context: | |
531 | * Process thread (ioctl caller). TODO: SMP support may require | |
532 | * locks. | |
533 | ----------------------------------------------------------------*/ | |
297f06ce | 534 | static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd) |
00b3ed16 | 535 | { |
b4b3f0da | 536 | int result = 0; |
e5bdbb90 | 537 | struct p80211ioctl_req *req = (struct p80211ioctl_req *) ifr; |
b4b3f0da MM |
538 | wlandevice_t *wlandev = dev->ml_priv; |
539 | u8 *msgbuf; | |
00b3ed16 | 540 | |
79f9e634 | 541 | netdev_dbg(dev, "rx'd ioctl, cmd=%d, len=%d\n", cmd, req->len); |
00b3ed16 | 542 | |
00b3ed16 GKH |
543 | #ifdef SIOCETHTOOL |
544 | if (cmd == SIOCETHTOOL) { | |
b4b3f0da MM |
545 | result = |
546 | p80211netdev_ethtool(wlandev, (void __user *)ifr->ifr_data); | |
00b3ed16 GKH |
547 | goto bail; |
548 | } | |
549 | #endif | |
550 | ||
551 | /* Test the magic, assume ifr is good if it's there */ | |
b4b3f0da | 552 | if (req->magic != P80211_IOCTL_MAGIC) { |
00b3ed16 GKH |
553 | result = -ENOSYS; |
554 | goto bail; | |
555 | } | |
556 | ||
b4b3f0da | 557 | if (cmd == P80211_IFTEST) { |
00b3ed16 GKH |
558 | result = 0; |
559 | goto bail; | |
b4b3f0da | 560 | } else if (cmd != P80211_IFREQ) { |
00b3ed16 GKH |
561 | result = -ENOSYS; |
562 | goto bail; | |
563 | } | |
564 | ||
565 | /* Allocate a buf of size req->len */ | |
5dd8acc8 SK |
566 | msgbuf = kmalloc(req->len, GFP_KERNEL); |
567 | if (msgbuf) { | |
b4b3f0da | 568 | if (copy_from_user(msgbuf, (void __user *)req->data, req->len)) |
00b3ed16 | 569 | result = -EFAULT; |
b4b3f0da MM |
570 | else |
571 | result = p80211req_dorequest(wlandev, msgbuf); | |
00b3ed16 | 572 | |
b4b3f0da MM |
573 | if (result == 0) { |
574 | if (copy_to_user | |
575 | ((void __user *)req->data, msgbuf, req->len)) { | |
00b3ed16 GKH |
576 | result = -EFAULT; |
577 | } | |
578 | } | |
579 | kfree(msgbuf); | |
580 | } else { | |
581 | result = -ENOMEM; | |
582 | } | |
583 | bail: | |
b6bb56e6 EH |
584 | /* If allocate,copyfrom or copyto fails, return errno */ |
585 | return result; | |
00b3ed16 GKH |
586 | } |
587 | ||
588 | /*---------------------------------------------------------------- | |
589 | * p80211knetdev_set_mac_address | |
590 | * | |
591 | * Handles the ioctl for changing the MACAddress of a netdevice | |
592 | * | |
593 | * references: linux/netdevice.h and drivers/net/net_init.c | |
594 | * | |
595 | * NOTE: [MSM] We only prevent address changes when the netdev is | |
596 | * up. We don't control anything based on dot11 state. If the | |
597 | * address is changed on a STA that's currently associated, you | |
598 | * will probably lose the ability to send and receive data frames. | |
599 | * Just be aware. Therefore, this should usually only be done | |
600 | * prior to scan/join/auth/assoc. | |
601 | * | |
602 | * Arguments: | |
603 | * dev netdevice struct | |
604 | * addr the new MACAddress (a struct) | |
605 | * | |
606 | * Returns: | |
607 | * zero on success, a negative errno on failure. Possible values: | |
608 | * -EBUSY device is bussy (cmd not possible) | |
609 | * -and errors returned by: p80211req_dorequest(..) | |
610 | * | |
611 | * by: Collin R. Mulliner <collin@mulliner.org> | |
612 | ----------------------------------------------------------------*/ | |
297f06ce | 613 | static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr) |
00b3ed16 | 614 | { |
b4b3f0da | 615 | struct sockaddr *new_addr = addr; |
b6bb56e6 | 616 | struct p80211msg_dot11req_mibset dot11req; |
b4b3f0da MM |
617 | p80211item_unk392_t *mibattr; |
618 | p80211item_pstr6_t *macaddr; | |
619 | p80211item_uint32_t *resultcode; | |
909ff710 | 620 | int result; |
00b3ed16 | 621 | |
00b3ed16 | 622 | /* If we're running, we don't allow MAC address changes */ |
b4b3f0da | 623 | if (netif_running(dev)) |
00b3ed16 | 624 | return -EBUSY; |
00b3ed16 GKH |
625 | |
626 | /* Set up some convenience pointers. */ | |
627 | mibattr = &dot11req.mibattribute; | |
5dd8acc8 | 628 | macaddr = (p80211item_pstr6_t *) &mibattr->data; |
00b3ed16 GKH |
629 | resultcode = &dot11req.resultcode; |
630 | ||
631 | /* Set up a dot11req_mibset */ | |
b6bb56e6 | 632 | memset(&dot11req, 0, sizeof(struct p80211msg_dot11req_mibset)); |
00b3ed16 | 633 | dot11req.msgcode = DIDmsg_dot11req_mibset; |
b6bb56e6 | 634 | dot11req.msglen = sizeof(struct p80211msg_dot11req_mibset); |
00b3ed16 | 635 | memcpy(dot11req.devname, |
b4b3f0da | 636 | ((wlandevice_t *) dev->ml_priv)->name, WLAN_DEVNAMELEN_MAX - 1); |
00b3ed16 GKH |
637 | |
638 | /* Set up the mibattribute argument */ | |
639 | mibattr->did = DIDmsg_dot11req_mibset_mibattribute; | |
640 | mibattr->status = P80211ENUM_msgitem_status_data_ok; | |
641 | mibattr->len = sizeof(mibattr->data); | |
642 | ||
643 | macaddr->did = DIDmib_dot11mac_dot11OperationTable_dot11MACAddress; | |
644 | macaddr->status = P80211ENUM_msgitem_status_data_ok; | |
645 | macaddr->len = sizeof(macaddr->data); | |
28b17a4b MM |
646 | macaddr->data.len = ETH_ALEN; |
647 | memcpy(&macaddr->data.data, new_addr->sa_data, ETH_ALEN); | |
00b3ed16 GKH |
648 | |
649 | /* Set up the resultcode argument */ | |
650 | resultcode->did = DIDmsg_dot11req_mibset_resultcode; | |
651 | resultcode->status = P80211ENUM_msgitem_status_no_value; | |
652 | resultcode->len = sizeof(resultcode->data); | |
653 | resultcode->data = 0; | |
654 | ||
655 | /* now fire the request */ | |
5dd8acc8 | 656 | result = p80211req_dorequest(dev->ml_priv, (u8 *) &dot11req); |
00b3ed16 GKH |
657 | |
658 | /* If the request wasn't successful, report an error and don't | |
659 | * change the netdev address | |
660 | */ | |
b4b3f0da | 661 | if (result != 0 || resultcode->data != P80211ENUM_resultcode_success) { |
79f9e634 | 662 | netdev_err(dev, "Low-level driver failed dot11req_mibset(dot11MACAddress).\n"); |
00b3ed16 GKH |
663 | result = -EADDRNOTAVAIL; |
664 | } else { | |
665 | /* everything's ok, change the addr in netdev */ | |
666 | memcpy(dev->dev_addr, new_addr->sa_data, dev->addr_len); | |
667 | } | |
668 | ||
00b3ed16 GKH |
669 | return result; |
670 | } | |
671 | ||
297f06ce | 672 | static int wlan_change_mtu(netdevice_t *dev, int new_mtu) |
00b3ed16 | 673 | { |
b4b3f0da MM |
674 | /* 2312 is max 802.11 payload, 20 is overhead, (ether + llc +snap) |
675 | and another 8 for wep. */ | |
676 | if ((new_mtu < 68) || (new_mtu > (2312 - 20 - 8))) | |
677 | return -EINVAL; | |
00b3ed16 | 678 | |
b4b3f0da | 679 | dev->mtu = new_mtu; |
00b3ed16 | 680 | |
b4b3f0da | 681 | return 0; |
00b3ed16 GKH |
682 | } |
683 | ||
cea96778 | 684 | static const struct net_device_ops p80211_netdev_ops = { |
75f49e07 MT |
685 | .ndo_init = p80211knetdev_init, |
686 | .ndo_open = p80211knetdev_open, | |
687 | .ndo_stop = p80211knetdev_stop, | |
75f49e07 | 688 | .ndo_start_xmit = p80211knetdev_hard_start_xmit, |
afc4b13d | 689 | .ndo_set_rx_mode = p80211knetdev_set_multicast_list, |
75f49e07 MT |
690 | .ndo_do_ioctl = p80211knetdev_do_ioctl, |
691 | .ndo_set_mac_address = p80211knetdev_set_mac_address, | |
692 | .ndo_tx_timeout = p80211knetdev_tx_timeout, | |
693 | .ndo_change_mtu = wlan_change_mtu, | |
694 | .ndo_validate_addr = eth_validate_addr, | |
cea96778 AB |
695 | }; |
696 | ||
00b3ed16 GKH |
697 | /*---------------------------------------------------------------- |
698 | * wlan_setup | |
699 | * | |
700 | * Roughly matches the functionality of ether_setup. Here | |
701 | * we set up any members of the wlandevice structure that are common | |
702 | * to all devices. Additionally, we allocate a linux 'struct device' | |
703 | * and perform the same setup as ether_setup. | |
704 | * | |
705 | * Note: It's important that the caller have setup the wlandev->name | |
706 | * ptr prior to calling this function. | |
707 | * | |
708 | * Arguments: | |
709 | * wlandev ptr to the wlandev structure for the | |
710 | * interface. | |
cb3126e6 | 711 | * physdev ptr to usb device |
00b3ed16 GKH |
712 | * Returns: |
713 | * zero on success, non-zero otherwise. | |
714 | * Call Context: | |
715 | * Should be process thread. We'll assume it might be | |
716 | * interrupt though. When we add support for statically | |
717 | * compiled drivers, this function will be called in the | |
718 | * context of the kernel startup code. | |
719 | ----------------------------------------------------------------*/ | |
cb3126e6 | 720 | int wlan_setup(wlandevice_t *wlandev, struct device *physdev) |
00b3ed16 | 721 | { |
b4b3f0da | 722 | int result = 0; |
cb3126e6 KR |
723 | netdevice_t *netdev; |
724 | struct wiphy *wiphy; | |
725 | struct wireless_dev *wdev; | |
00b3ed16 | 726 | |
00b3ed16 GKH |
727 | /* Set up the wlandev */ |
728 | wlandev->state = WLAN_DEVICE_CLOSED; | |
729 | wlandev->ethconv = WLAN_ETHCONV_8021h; | |
730 | wlandev->macmode = WLAN_MACMODE_NONE; | |
731 | ||
732 | /* Set up the rx queue */ | |
733 | skb_queue_head_init(&wlandev->nsd_rxq); | |
734 | tasklet_init(&wlandev->rx_bh, | |
b4b3f0da | 735 | p80211netdev_rx_bh, (unsigned long)wlandev); |
00b3ed16 | 736 | |
cb3126e6 KR |
737 | /* Allocate and initialize the wiphy struct */ |
738 | wiphy = wlan_create_wiphy(physdev, wlandev); | |
1e613801 | 739 | if (!wiphy) { |
79f9e634 | 740 | dev_err(physdev, "Failed to alloc wiphy.\n"); |
cb3126e6 KR |
741 | return 1; |
742 | } | |
743 | ||
00b3ed16 | 744 | /* Allocate and initialize the struct device */ |
6f710907 | 745 | netdev = alloc_netdev(sizeof(struct wireless_dev), "wlan%d", |
c835a677 | 746 | NET_NAME_UNKNOWN, ether_setup); |
1e613801 | 747 | if (!netdev) { |
79f9e634 | 748 | dev_err(physdev, "Failed to alloc netdev.\n"); |
cb3126e6 | 749 | wlan_free_wiphy(wiphy); |
00b3ed16 GKH |
750 | result = 1; |
751 | } else { | |
cb3126e6 KR |
752 | wlandev->netdev = netdev; |
753 | netdev->ml_priv = wlandev; | |
754 | netdev->netdev_ops = &p80211_netdev_ops; | |
755 | wdev = netdev_priv(netdev); | |
756 | wdev->wiphy = wiphy; | |
757 | wdev->iftype = NL80211_IFTYPE_STATION; | |
758 | netdev->ieee80211_ptr = wdev; | |
759 | ||
760 | netif_stop_queue(netdev); | |
761 | netif_carrier_off(netdev); | |
00b3ed16 GKH |
762 | } |
763 | ||
00b3ed16 GKH |
764 | return result; |
765 | } | |
766 | ||
767 | /*---------------------------------------------------------------- | |
768 | * wlan_unsetup | |
769 | * | |
770 | * This function is paired with the wlan_setup routine. It should | |
771 | * be called after unregister_wlandev. Basically, all it does is | |
772 | * free the 'struct device' that's associated with the wlandev. | |
773 | * We do it here because the 'struct device' isn't allocated | |
774 | * explicitly in the driver code, it's done in wlan_setup. To | |
775 | * do the free in the driver might seem like 'magic'. | |
776 | * | |
777 | * Arguments: | |
778 | * wlandev ptr to the wlandev structure for the | |
779 | * interface. | |
00b3ed16 GKH |
780 | * Call Context: |
781 | * Should be process thread. We'll assume it might be | |
782 | * interrupt though. When we add support for statically | |
783 | * compiled drivers, this function will be called in the | |
784 | * context of the kernel startup code. | |
785 | ----------------------------------------------------------------*/ | |
3f459327 | 786 | void wlan_unsetup(wlandevice_t *wlandev) |
00b3ed16 | 787 | { |
cb3126e6 | 788 | struct wireless_dev *wdev; |
00b3ed16 | 789 | |
00b3ed16 GKH |
790 | tasklet_kill(&wlandev->rx_bh); |
791 | ||
cb3126e6 KR |
792 | if (wlandev->netdev) { |
793 | wdev = netdev_priv(wlandev->netdev); | |
f34e3e7b EH |
794 | if (wdev->wiphy) |
795 | wlan_free_wiphy(wdev->wiphy); | |
00b3ed16 GKH |
796 | free_netdev(wlandev->netdev); |
797 | wlandev->netdev = NULL; | |
798 | } | |
00b3ed16 GKH |
799 | } |
800 | ||
00b3ed16 GKH |
801 | /*---------------------------------------------------------------- |
802 | * register_wlandev | |
803 | * | |
804 | * Roughly matches the functionality of register_netdev. This function | |
805 | * is called after the driver has successfully probed and set up the | |
806 | * resources for the device. It's now ready to become a named device | |
807 | * in the Linux system. | |
808 | * | |
809 | * First we allocate a name for the device (if not already set), then | |
810 | * we call the Linux function register_netdevice. | |
811 | * | |
812 | * Arguments: | |
813 | * wlandev ptr to the wlandev structure for the | |
814 | * interface. | |
815 | * Returns: | |
816 | * zero on success, non-zero otherwise. | |
817 | * Call Context: | |
818 | * Can be either interrupt or not. | |
819 | ----------------------------------------------------------------*/ | |
297f06ce | 820 | int register_wlandev(wlandevice_t *wlandev) |
00b3ed16 | 821 | { |
50d6b9ba | 822 | return register_netdev(wlandev->netdev); |
00b3ed16 GKH |
823 | } |
824 | ||
00b3ed16 GKH |
825 | /*---------------------------------------------------------------- |
826 | * unregister_wlandev | |
827 | * | |
828 | * Roughly matches the functionality of unregister_netdev. This | |
829 | * function is called to remove a named device from the system. | |
830 | * | |
831 | * First we tell linux that the device should no longer exist. | |
832 | * Then we remove it from the list of known wlan devices. | |
833 | * | |
834 | * Arguments: | |
835 | * wlandev ptr to the wlandev structure for the | |
836 | * interface. | |
837 | * Returns: | |
838 | * zero on success, non-zero otherwise. | |
839 | * Call Context: | |
840 | * Can be either interrupt or not. | |
841 | ----------------------------------------------------------------*/ | |
297f06ce | 842 | int unregister_wlandev(wlandevice_t *wlandev) |
00b3ed16 GKH |
843 | { |
844 | struct sk_buff *skb; | |
845 | ||
00b3ed16 GKH |
846 | unregister_netdev(wlandev->netdev); |
847 | ||
848 | /* Now to clean out the rx queue */ | |
b4b3f0da | 849 | while ((skb = skb_dequeue(&wlandev->nsd_rxq))) |
00b3ed16 | 850 | dev_kfree_skb(skb); |
00b3ed16 | 851 | |
00b3ed16 GKH |
852 | return 0; |
853 | } | |
854 | ||
00b3ed16 GKH |
855 | /*---------------------------------------------------------------- |
856 | * p80211netdev_hwremoved | |
857 | * | |
858 | * Hardware removed notification. This function should be called | |
859 | * immediately after an MSD has detected that the underlying hardware | |
860 | * has been yanked out from under us. The primary things we need | |
861 | * to do are: | |
862 | * - Mark the wlandev | |
863 | * - Prevent any further traffic from the knetdev i/f | |
864 | * - Prevent any further requests from mgmt i/f | |
865 | * - If there are any waitq'd mgmt requests or mgmt-frame exchanges, | |
866 | * shut them down. | |
867 | * - Call the MSD hwremoved function. | |
868 | * | |
869 | * The remainder of the cleanup will be handled by unregister(). | |
870 | * Our primary goal here is to prevent as much tickling of the MSD | |
871 | * as possible since the MSD is already in a 'wounded' state. | |
872 | * | |
873 | * TODO: As new features are added, this function should be | |
874 | * updated. | |
875 | * | |
876 | * Arguments: | |
877 | * wlandev WLAN network device structure | |
878 | * Returns: | |
879 | * nothing | |
880 | * Side effects: | |
881 | * | |
882 | * Call context: | |
883 | * Usually interrupt. | |
884 | ----------------------------------------------------------------*/ | |
297f06ce | 885 | void p80211netdev_hwremoved(wlandevice_t *wlandev) |
00b3ed16 | 886 | { |
00b3ed16 | 887 | wlandev->hwremoved = 1; |
b4b3f0da | 888 | if (wlandev->state == WLAN_DEVICE_OPEN) |
cbec30c4 | 889 | netif_stop_queue(wlandev->netdev); |
00b3ed16 GKH |
890 | |
891 | netif_device_detach(wlandev->netdev); | |
00b3ed16 GKH |
892 | } |
893 | ||
00b3ed16 GKH |
894 | /*---------------------------------------------------------------- |
895 | * p80211_rx_typedrop | |
896 | * | |
897 | * Classifies the frame, increments the appropriate counter, and | |
898 | * returns 0|1|2 indicating whether the driver should handle, ignore, or | |
899 | * drop the frame | |
900 | * | |
901 | * Arguments: | |
902 | * wlandev wlan device structure | |
903 | * fc frame control field | |
904 | * | |
905 | * Returns: | |
906 | * zero if the frame should be handled by the driver, | |
907 | * one if the frame should be ignored | |
908 | * anything else means we drop it. | |
909 | * | |
910 | * Side effects: | |
911 | * | |
912 | * Call context: | |
913 | * interrupt | |
914 | ----------------------------------------------------------------*/ | |
297f06ce | 915 | static int p80211_rx_typedrop(wlandevice_t *wlandev, u16 fc) |
00b3ed16 | 916 | { |
b4b3f0da MM |
917 | u16 ftype; |
918 | u16 fstype; | |
919 | int drop = 0; | |
00b3ed16 GKH |
920 | /* Classify frame, increment counter */ |
921 | ftype = WLAN_GET_FC_FTYPE(fc); | |
922 | fstype = WLAN_GET_FC_FSTYPE(fc); | |
923 | #if 0 | |
79f9e634 DP |
924 | netdev_dbg(wlandev->netdev, "rx_typedrop : ftype=%d fstype=%d.\n", |
925 | ftype, fstype); | |
00b3ed16 | 926 | #endif |
b4b3f0da | 927 | switch (ftype) { |
00b3ed16 GKH |
928 | case WLAN_FTYPE_MGMT: |
929 | if ((wlandev->netdev->flags & IFF_PROMISC) || | |
b4b3f0da | 930 | (wlandev->netdev->flags & IFF_ALLMULTI)) { |
00b3ed16 GKH |
931 | drop = 1; |
932 | break; | |
933 | } | |
79f9e634 | 934 | netdev_dbg(wlandev->netdev, "rx'd mgmt:\n"); |
00b3ed16 | 935 | wlandev->rx.mgmt++; |
b4b3f0da | 936 | switch (fstype) { |
00b3ed16 GKH |
937 | case WLAN_FSTYPE_ASSOCREQ: |
938 | /* printk("assocreq"); */ | |
939 | wlandev->rx.assocreq++; | |
940 | break; | |
941 | case WLAN_FSTYPE_ASSOCRESP: | |
942 | /* printk("assocresp"); */ | |
943 | wlandev->rx.assocresp++; | |
944 | break; | |
945 | case WLAN_FSTYPE_REASSOCREQ: | |
946 | /* printk("reassocreq"); */ | |
947 | wlandev->rx.reassocreq++; | |
948 | break; | |
949 | case WLAN_FSTYPE_REASSOCRESP: | |
950 | /* printk("reassocresp"); */ | |
951 | wlandev->rx.reassocresp++; | |
952 | break; | |
953 | case WLAN_FSTYPE_PROBEREQ: | |
954 | /* printk("probereq"); */ | |
955 | wlandev->rx.probereq++; | |
956 | break; | |
957 | case WLAN_FSTYPE_PROBERESP: | |
958 | /* printk("proberesp"); */ | |
959 | wlandev->rx.proberesp++; | |
960 | break; | |
961 | case WLAN_FSTYPE_BEACON: | |
962 | /* printk("beacon"); */ | |
963 | wlandev->rx.beacon++; | |
964 | break; | |
965 | case WLAN_FSTYPE_ATIM: | |
966 | /* printk("atim"); */ | |
967 | wlandev->rx.atim++; | |
968 | break; | |
969 | case WLAN_FSTYPE_DISASSOC: | |
970 | /* printk("disassoc"); */ | |
971 | wlandev->rx.disassoc++; | |
972 | break; | |
973 | case WLAN_FSTYPE_AUTHEN: | |
974 | /* printk("authen"); */ | |
975 | wlandev->rx.authen++; | |
976 | break; | |
977 | case WLAN_FSTYPE_DEAUTHEN: | |
978 | /* printk("deauthen"); */ | |
979 | wlandev->rx.deauthen++; | |
980 | break; | |
981 | default: | |
982 | /* printk("unknown"); */ | |
983 | wlandev->rx.mgmt_unknown++; | |
984 | break; | |
985 | } | |
986 | /* printk("\n"); */ | |
987 | drop = 2; | |
988 | break; | |
989 | ||
990 | case WLAN_FTYPE_CTL: | |
991 | if ((wlandev->netdev->flags & IFF_PROMISC) || | |
b4b3f0da | 992 | (wlandev->netdev->flags & IFF_ALLMULTI)) { |
00b3ed16 GKH |
993 | drop = 1; |
994 | break; | |
995 | } | |
79f9e634 | 996 | netdev_dbg(wlandev->netdev, "rx'd ctl:\n"); |
00b3ed16 | 997 | wlandev->rx.ctl++; |
b4b3f0da | 998 | switch (fstype) { |
00b3ed16 GKH |
999 | case WLAN_FSTYPE_PSPOLL: |
1000 | /* printk("pspoll"); */ | |
1001 | wlandev->rx.pspoll++; | |
1002 | break; | |
1003 | case WLAN_FSTYPE_RTS: | |
1004 | /* printk("rts"); */ | |
1005 | wlandev->rx.rts++; | |
1006 | break; | |
1007 | case WLAN_FSTYPE_CTS: | |
1008 | /* printk("cts"); */ | |
1009 | wlandev->rx.cts++; | |
1010 | break; | |
1011 | case WLAN_FSTYPE_ACK: | |
1012 | /* printk("ack"); */ | |
1013 | wlandev->rx.ack++; | |
1014 | break; | |
1015 | case WLAN_FSTYPE_CFEND: | |
1016 | /* printk("cfend"); */ | |
1017 | wlandev->rx.cfend++; | |
1018 | break; | |
1019 | case WLAN_FSTYPE_CFENDCFACK: | |
1020 | /* printk("cfendcfack"); */ | |
1021 | wlandev->rx.cfendcfack++; | |
1022 | break; | |
1023 | default: | |
1024 | /* printk("unknown"); */ | |
1025 | wlandev->rx.ctl_unknown++; | |
1026 | break; | |
1027 | } | |
1028 | /* printk("\n"); */ | |
1029 | drop = 2; | |
1030 | break; | |
1031 | ||
1032 | case WLAN_FTYPE_DATA: | |
1033 | wlandev->rx.data++; | |
b4b3f0da | 1034 | switch (fstype) { |
00b3ed16 GKH |
1035 | case WLAN_FSTYPE_DATAONLY: |
1036 | wlandev->rx.dataonly++; | |
1037 | break; | |
1038 | case WLAN_FSTYPE_DATA_CFACK: | |
1039 | wlandev->rx.data_cfack++; | |
1040 | break; | |
1041 | case WLAN_FSTYPE_DATA_CFPOLL: | |
1042 | wlandev->rx.data_cfpoll++; | |
1043 | break; | |
1044 | case WLAN_FSTYPE_DATA_CFACK_CFPOLL: | |
1045 | wlandev->rx.data__cfack_cfpoll++; | |
1046 | break; | |
1047 | case WLAN_FSTYPE_NULL: | |
79f9e634 | 1048 | netdev_dbg(wlandev->netdev, "rx'd data:null\n"); |
00b3ed16 GKH |
1049 | wlandev->rx.null++; |
1050 | break; | |
1051 | case WLAN_FSTYPE_CFACK: | |
79f9e634 | 1052 | netdev_dbg(wlandev->netdev, "rx'd data:cfack\n"); |
00b3ed16 GKH |
1053 | wlandev->rx.cfack++; |
1054 | break; | |
1055 | case WLAN_FSTYPE_CFPOLL: | |
79f9e634 | 1056 | netdev_dbg(wlandev->netdev, "rx'd data:cfpoll\n"); |
00b3ed16 GKH |
1057 | wlandev->rx.cfpoll++; |
1058 | break; | |
1059 | case WLAN_FSTYPE_CFACK_CFPOLL: | |
79f9e634 | 1060 | netdev_dbg(wlandev->netdev, "rx'd data:cfack_cfpoll\n"); |
00b3ed16 GKH |
1061 | wlandev->rx.cfack_cfpoll++; |
1062 | break; | |
1063 | default: | |
1064 | /* printk("unknown"); */ | |
1065 | wlandev->rx.data_unknown++; | |
1066 | break; | |
1067 | } | |
1068 | ||
1069 | break; | |
1070 | } | |
1071 | return drop; | |
1072 | } | |
1073 | ||
297f06ce | 1074 | static void p80211knetdev_tx_timeout(netdevice_t *netdev) |
00b3ed16 | 1075 | { |
b4b3f0da | 1076 | wlandevice_t *wlandev = netdev->ml_priv; |
00b3ed16 GKH |
1077 | |
1078 | if (wlandev->tx_timeout) { | |
1079 | wlandev->tx_timeout(wlandev); | |
1080 | } else { | |
79f9e634 DP |
1081 | netdev_warn(netdev, "Implement tx_timeout for %s\n", |
1082 | wlandev->nsdname); | |
cbec30c4 | 1083 | netif_wake_queue(wlandev->netdev); |
00b3ed16 | 1084 | } |
00b3ed16 | 1085 | } |