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68c0bdff HG |
1 | /******************************************************************************* |
2 | * Agere Systems Inc. | |
3 | * Wireless device driver for Linux (wlags49). | |
4 | * | |
5 | * Copyright (c) 1998-2003 Agere Systems Inc. | |
6 | * All rights reserved. | |
7 | * http://www.agere.com | |
8 | * | |
9 | * Initially developed by TriplePoint, Inc. | |
10 | * http://www.triplepoint.com | |
11 | * | |
12 | *------------------------------------------------------------------------------ | |
13 | * | |
14 | * This file contains handler functions registered with the net_device | |
15 | * structure. | |
16 | * | |
17 | *------------------------------------------------------------------------------ | |
18 | * | |
19 | * SOFTWARE LICENSE | |
20 | * | |
21 | * This software is provided subject to the following terms and conditions, | |
22 | * which you should read carefully before using the software. Using this | |
23 | * software indicates your acceptance of these terms and conditions. If you do | |
24 | * not agree with these terms and conditions, do not use the software. | |
25 | * | |
d36b6910 | 26 | * Copyright © 2003 Agere Systems Inc. |
68c0bdff HG |
27 | * All rights reserved. |
28 | * | |
29 | * Redistribution and use in source or binary forms, with or without | |
30 | * modifications, are permitted provided that the following conditions are met: | |
31 | * | |
32 | * . Redistributions of source code must retain the above copyright notice, this | |
33 | * list of conditions and the following Disclaimer as comments in the code as | |
34 | * well as in the documentation and/or other materials provided with the | |
35 | * distribution. | |
36 | * | |
37 | * . Redistributions in binary form must reproduce the above copyright notice, | |
38 | * this list of conditions and the following Disclaimer in the documentation | |
39 | * and/or other materials provided with the distribution. | |
40 | * | |
41 | * . Neither the name of Agere Systems Inc. nor the names of the contributors | |
42 | * may be used to endorse or promote products derived from this software | |
43 | * without specific prior written permission. | |
44 | * | |
45 | * Disclaimer | |
46 | * | |
d36b6910 | 47 | * THIS SOFTWARE IS PROVIDED \93AS IS\94 AND ANY EXPRESS OR IMPLIED WARRANTIES, |
68c0bdff HG |
48 | * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF |
49 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY | |
50 | * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN | |
51 | * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY | |
52 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
53 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
54 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
55 | * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT | |
56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
57 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | |
58 | * DAMAGE. | |
59 | * | |
60 | ******************************************************************************/ | |
61 | ||
68c0bdff HG |
62 | /******************************************************************************* |
63 | * include files | |
64 | ******************************************************************************/ | |
65 | #include <wl_version.h> | |
66 | ||
67 | #include <linux/module.h> | |
5a0e3ad6 | 68 | #include <linux/slab.h> |
68c0bdff HG |
69 | #include <linux/types.h> |
70 | #include <linux/kernel.h> | |
71 | // #include <linux/sched.h> | |
72 | // #include <linux/ptrace.h> | |
73 | // #include <linux/slab.h> | |
74 | // #include <linux/ctype.h> | |
75 | // #include <linux/string.h> | |
76 | //#include <linux/timer.h> | |
77 | // #include <linux/interrupt.h> | |
78 | // #include <linux/in.h> | |
79 | // #include <linux/delay.h> | |
80 | // #include <linux/skbuff.h> | |
81 | // #include <asm/io.h> | |
9ffc93f2 | 82 | // // #include <asm/bitops.h> |
68c0bdff HG |
83 | |
84 | #include <linux/netdevice.h> | |
85 | #include <linux/ethtool.h> | |
86 | #include <linux/etherdevice.h> | |
87 | // #include <linux/skbuff.h> | |
88 | // #include <linux/if_arp.h> | |
89 | // #include <linux/ioport.h> | |
90 | ||
91 | #include <debug.h> | |
92 | ||
93 | #include <hcf.h> | |
94 | #include <dhf.h> | |
95 | // #include <hcfdef.h> | |
96 | ||
97 | #include <wl_if.h> | |
98 | #include <wl_internal.h> | |
99 | #include <wl_util.h> | |
100 | #include <wl_priv.h> | |
101 | #include <wl_main.h> | |
102 | #include <wl_netdev.h> | |
103 | #include <wl_wext.h> | |
104 | ||
105 | #ifdef USE_PROFILE | |
106 | #include <wl_profile.h> | |
107 | #endif /* USE_PROFILE */ | |
108 | ||
109 | #ifdef BUS_PCMCIA | |
110 | #include <wl_cs.h> | |
111 | #endif /* BUS_PCMCIA */ | |
112 | ||
113 | #ifdef BUS_PCI | |
114 | #include <wl_pci.h> | |
115 | #endif /* BUS_PCI */ | |
116 | ||
117 | ||
118 | /******************************************************************************* | |
119 | * global variables | |
120 | ******************************************************************************/ | |
121 | #if DBG | |
122 | extern dbg_info_t *DbgInfo; | |
123 | #endif /* DBG */ | |
124 | ||
125 | ||
126 | #if HCF_ENCAP | |
127 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN - 8) | |
128 | #else | |
129 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN) | |
130 | #endif | |
131 | ||
132 | //static int mtu = MTU_MAX; | |
133 | //MODULE_PARM(mtu, "i"); | |
134 | //MODULE_PARM_DESC(mtu, "MTU"); | |
135 | ||
136 | /******************************************************************************* | |
137 | * macros | |
138 | ******************************************************************************/ | |
139 | #define BLOCK_INPUT(buf, len) \ | |
140 | desc->buf_addr = buf; \ | |
141 | desc->BUF_SIZE = len; \ | |
142 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
143 | ||
144 | #define BLOCK_INPUT_DMA(buf, len) memcpy( buf, desc_next->buf_addr, pktlen ) | |
145 | ||
146 | /******************************************************************************* | |
147 | * function prototypes | |
148 | ******************************************************************************/ | |
149 | ||
150 | /******************************************************************************* | |
151 | * wl_init() | |
152 | ******************************************************************************* | |
153 | * | |
154 | * DESCRIPTION: | |
155 | * | |
156 | * We never need to do anything when a "Wireless" device is "initialized" | |
157 | * by the net software, because we only register already-found cards. | |
158 | * | |
159 | * PARAMETERS: | |
160 | * | |
161 | * dev - a pointer to the device's net_device structure | |
162 | * | |
163 | * RETURNS: | |
164 | * | |
165 | * 0 on success | |
166 | * errno value otherwise | |
167 | * | |
168 | ******************************************************************************/ | |
169 | int wl_init( struct net_device *dev ) | |
170 | { | |
171 | // unsigned long flags; | |
172 | // struct wl_private *lp = wl_priv(dev); | |
173 | /*------------------------------------------------------------------------*/ | |
174 | ||
175 | DBG_FUNC( "wl_init" ); | |
176 | DBG_ENTER( DbgInfo ); | |
177 | ||
178 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
179 | ||
180 | /* Nothing to do, but grab the spinlock anyway just in case we ever need | |
181 | this routine */ | |
182 | // wl_lock( lp, &flags ); | |
183 | // wl_unlock( lp, &flags ); | |
184 | ||
185 | DBG_LEAVE( DbgInfo ); | |
186 | return 0; | |
187 | } // wl_init | |
188 | /*============================================================================*/ | |
189 | ||
190 | /******************************************************************************* | |
191 | * wl_config() | |
192 | ******************************************************************************* | |
193 | * | |
194 | * DESCRIPTION: | |
195 | * | |
196 | * Implement the SIOCSIFMAP interface. | |
197 | * | |
198 | * PARAMETERS: | |
199 | * | |
200 | * dev - a pointer to the device's net_device structure | |
201 | * map - a pointer to the device's ifmap structure | |
202 | * | |
203 | * RETURNS: | |
204 | * | |
205 | * 0 on success | |
206 | * errno otherwise | |
207 | * | |
208 | ******************************************************************************/ | |
209 | int wl_config( struct net_device *dev, struct ifmap *map ) | |
210 | { | |
211 | DBG_FUNC( "wl_config" ); | |
212 | DBG_ENTER( DbgInfo ); | |
213 | ||
214 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
215 | DBG_PARAM( DbgInfo, "map", "0x%p", map ); | |
216 | ||
217 | /* The only thing we care about here is a port change. Since this not needed, | |
218 | ignore the request. */ | |
8bf90539 | 219 | DBG_TRACE(DbgInfo, "%s: %s called.\n", dev->name, __func__); |
68c0bdff HG |
220 | |
221 | DBG_LEAVE( DbgInfo ); | |
222 | return 0; | |
223 | } // wl_config | |
224 | /*============================================================================*/ | |
225 | ||
226 | /******************************************************************************* | |
227 | * wl_stats() | |
228 | ******************************************************************************* | |
229 | * | |
230 | * DESCRIPTION: | |
231 | * | |
232 | * Return the current device statistics. | |
233 | * | |
234 | * PARAMETERS: | |
235 | * | |
236 | * dev - a pointer to the device's net_device structure | |
237 | * | |
238 | * RETURNS: | |
239 | * | |
240 | * a pointer to a net_device_stats structure containing the network | |
241 | * statistics. | |
242 | * | |
243 | ******************************************************************************/ | |
244 | struct net_device_stats *wl_stats( struct net_device *dev ) | |
245 | { | |
246 | #ifdef USE_WDS | |
247 | int count; | |
248 | #endif /* USE_WDS */ | |
249 | unsigned long flags; | |
250 | struct net_device_stats *pStats; | |
251 | struct wl_private *lp = wl_priv(dev); | |
252 | /*------------------------------------------------------------------------*/ | |
253 | ||
254 | //DBG_FUNC( "wl_stats" ); | |
255 | //DBG_ENTER( DbgInfo ); | |
256 | //DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
257 | ||
258 | pStats = NULL; | |
259 | ||
260 | wl_lock( lp, &flags ); | |
261 | ||
262 | #ifdef USE_RTS | |
263 | if( lp->useRTS == 1 ) { | |
264 | wl_unlock( lp, &flags ); | |
265 | ||
266 | //DBG_LEAVE( DbgInfo ); | |
267 | return NULL; | |
268 | } | |
269 | #endif /* USE_RTS */ | |
270 | ||
271 | /* Return the statistics for the appropriate device */ | |
272 | #ifdef USE_WDS | |
273 | ||
274 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
275 | if( dev == lp->wds_port[count].dev ) { | |
276 | pStats = &( lp->wds_port[count].stats ); | |
277 | } | |
278 | } | |
279 | ||
280 | #endif /* USE_WDS */ | |
281 | ||
282 | /* If pStats is still NULL, then the device is not a WDS port */ | |
283 | if( pStats == NULL ) { | |
284 | pStats = &( lp->stats ); | |
285 | } | |
286 | ||
287 | wl_unlock( lp, &flags ); | |
288 | ||
289 | //DBG_LEAVE( DbgInfo ); | |
290 | ||
291 | return pStats; | |
292 | } // wl_stats | |
293 | /*============================================================================*/ | |
294 | ||
295 | /******************************************************************************* | |
296 | * wl_open() | |
297 | ******************************************************************************* | |
298 | * | |
299 | * DESCRIPTION: | |
300 | * | |
301 | * Open the device. | |
302 | * | |
303 | * PARAMETERS: | |
304 | * | |
305 | * dev - a pointer to the device's net_device structure | |
306 | * | |
307 | * RETURNS: | |
308 | * | |
309 | * 0 on success | |
310 | * errno otherwise | |
311 | * | |
312 | ******************************************************************************/ | |
313 | int wl_open(struct net_device *dev) | |
314 | { | |
315 | int status = HCF_SUCCESS; | |
316 | struct wl_private *lp = wl_priv(dev); | |
317 | unsigned long flags; | |
318 | /*------------------------------------------------------------------------*/ | |
319 | ||
320 | DBG_FUNC( "wl_open" ); | |
321 | DBG_ENTER( DbgInfo ); | |
322 | ||
323 | wl_lock( lp, &flags ); | |
324 | ||
325 | #ifdef USE_RTS | |
326 | if( lp->useRTS == 1 ) { | |
327 | DBG_TRACE( DbgInfo, "Skipping device open, in RTS mode\n" ); | |
328 | wl_unlock( lp, &flags ); | |
329 | DBG_LEAVE( DbgInfo ); | |
330 | return -EIO; | |
331 | } | |
332 | #endif /* USE_RTS */ | |
333 | ||
334 | #ifdef USE_PROFILE | |
335 | parse_config( dev ); | |
336 | #endif | |
337 | ||
338 | if( lp->portState == WVLAN_PORT_STATE_DISABLED ) { | |
339 | DBG_TRACE( DbgInfo, "Enabling Port 0\n" ); | |
340 | status = wl_enable( lp ); | |
341 | ||
342 | if( status != HCF_SUCCESS ) { | |
343 | DBG_TRACE( DbgInfo, "Enable port 0 failed: 0x%x\n", status ); | |
344 | } | |
345 | } | |
346 | ||
347 | // Holding the lock too long, make a gap to allow other processes | |
348 | wl_unlock(lp, &flags); | |
349 | wl_lock( lp, &flags ); | |
350 | ||
351 | if ( strlen( lp->fw_image_filename ) ) { | |
352 | DBG_TRACE( DbgInfo, ";???? Kludgy way to force a download\n" ); | |
353 | status = wl_go( lp ); | |
354 | } else { | |
355 | status = wl_apply( lp ); | |
356 | } | |
357 | ||
358 | // Holding the lock too long, make a gap to allow other processes | |
359 | wl_unlock(lp, &flags); | |
360 | wl_lock( lp, &flags ); | |
361 | ||
362 | if( status != HCF_SUCCESS ) { | |
2ed71d5a | 363 | // Unsuccessful, try reset of the card to recover |
68c0bdff HG |
364 | status = wl_reset( dev ); |
365 | } | |
366 | ||
367 | // Holding the lock too long, make a gap to allow other processes | |
368 | wl_unlock(lp, &flags); | |
369 | wl_lock( lp, &flags ); | |
370 | ||
371 | if( status == HCF_SUCCESS ) { | |
372 | netif_carrier_on( dev ); | |
373 | WL_WDS_NETIF_CARRIER_ON( lp ); | |
374 | ||
375 | lp->is_handling_int = WL_HANDLING_INT; // Start handling interrupts | |
376 | wl_act_int_on( lp ); | |
377 | ||
378 | netif_start_queue( dev ); | |
379 | WL_WDS_NETIF_START_QUEUE( lp ); | |
380 | } else { | |
381 | wl_hcf_error( dev, status ); /* Report the error */ | |
382 | netif_device_detach( dev ); /* Stop the device and queue */ | |
383 | } | |
384 | ||
385 | wl_unlock( lp, &flags ); | |
386 | ||
387 | DBG_LEAVE( DbgInfo ); | |
388 | return status; | |
389 | } // wl_open | |
390 | /*============================================================================*/ | |
391 | ||
392 | /******************************************************************************* | |
393 | * wl_close() | |
394 | ******************************************************************************* | |
395 | * | |
396 | * DESCRIPTION: | |
397 | * | |
398 | * Close the device. | |
399 | * | |
400 | * PARAMETERS: | |
401 | * | |
402 | * dev - a pointer to the device's net_device structure | |
403 | * | |
404 | * RETURNS: | |
405 | * | |
406 | * 0 on success | |
407 | * errno otherwise | |
408 | * | |
409 | ******************************************************************************/ | |
410 | int wl_close( struct net_device *dev ) | |
411 | { | |
412 | struct wl_private *lp = wl_priv(dev); | |
413 | unsigned long flags; | |
414 | /*------------------------------------------------------------------------*/ | |
415 | ||
416 | DBG_FUNC("wl_close"); | |
417 | DBG_ENTER(DbgInfo); | |
418 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
419 | ||
420 | /* Mark the adapter as busy */ | |
421 | netif_stop_queue( dev ); | |
422 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
423 | ||
424 | netif_carrier_off( dev ); | |
425 | WL_WDS_NETIF_CARRIER_OFF( lp ); | |
426 | ||
427 | /* Shutdown the adapter: | |
428 | Disable adapter interrupts | |
429 | Stop Tx/Rx | |
430 | Update statistics | |
431 | Set low power mode | |
432 | */ | |
433 | ||
434 | wl_lock( lp, &flags ); | |
435 | ||
436 | wl_act_int_off( lp ); | |
437 | lp->is_handling_int = WL_NOT_HANDLING_INT; // Stop handling interrupts | |
438 | ||
439 | #ifdef USE_RTS | |
440 | if( lp->useRTS == 1 ) { | |
441 | DBG_TRACE( DbgInfo, "Skipping device close, in RTS mode\n" ); | |
442 | wl_unlock( lp, &flags ); | |
443 | DBG_LEAVE( DbgInfo ); | |
444 | return -EIO; | |
445 | } | |
446 | #endif /* USE_RTS */ | |
447 | ||
448 | /* Disable the ports */ | |
449 | wl_disable( lp ); | |
450 | ||
451 | wl_unlock( lp, &flags ); | |
452 | ||
453 | DBG_LEAVE( DbgInfo ); | |
454 | return 0; | |
455 | } // wl_close | |
456 | /*============================================================================*/ | |
457 | ||
458 | static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
459 | { | |
7826d43f JP |
460 | strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver)); |
461 | strlcpy(info->version, DRV_VERSION_STR, sizeof(info->version)); | |
462 | // strlcpy(info.fw_version, priv->fw_name, | |
463 | // sizeof(info.fw_version)); | |
68c0bdff | 464 | |
68c0bdff HG |
465 | if (dev->dev.parent) { |
466 | dev_set_name(dev->dev.parent, "%s", info->bus_info); | |
7826d43f JP |
467 | //strlcpy(info->bus_info, dev->dev.parent->bus_id, |
468 | // sizeof(info->bus_info)); | |
68c0bdff | 469 | } else { |
7826d43f | 470 | snprintf(info->bus_info, sizeof(info->bus_info), |
68c0bdff HG |
471 | "PCMCIA FIXME"); |
472 | // "PCMCIA 0x%lx", priv->hw.iobase); | |
473 | } | |
474 | } // wl_get_drvinfo | |
475 | ||
476 | static struct ethtool_ops wl_ethtool_ops = { | |
477 | .get_drvinfo = wl_get_drvinfo, | |
478 | .get_link = ethtool_op_get_link, | |
479 | }; | |
480 | ||
481 | ||
482 | /******************************************************************************* | |
483 | * wl_ioctl() | |
484 | ******************************************************************************* | |
485 | * | |
486 | * DESCRIPTION: | |
487 | * | |
488 | * The IOCTL handler for the device. | |
489 | * | |
490 | * PARAMETERS: | |
491 | * | |
492 | * dev - a pointer to the device's net_device struct. | |
493 | * rq - a pointer to the IOCTL request buffer. | |
494 | * cmd - the IOCTL command code. | |
495 | * | |
496 | * RETURNS: | |
497 | * | |
498 | * 0 on success | |
499 | * errno value otherwise | |
500 | * | |
501 | ******************************************************************************/ | |
502 | int wl_ioctl( struct net_device *dev, struct ifreq *rq, int cmd ) | |
503 | { | |
504 | struct wl_private *lp = wl_priv(dev); | |
505 | unsigned long flags; | |
506 | int ret = 0; | |
507 | /*------------------------------------------------------------------------*/ | |
508 | ||
509 | DBG_FUNC( "wl_ioctl" ); | |
510 | DBG_ENTER(DbgInfo); | |
511 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
512 | DBG_PARAM(DbgInfo, "rq", "0x%p", rq); | |
513 | DBG_PARAM(DbgInfo, "cmd", "0x%04x", cmd); | |
514 | ||
515 | wl_lock( lp, &flags ); | |
516 | ||
517 | wl_act_int_off( lp ); | |
518 | ||
519 | #ifdef USE_RTS | |
520 | if( lp->useRTS == 1 ) { | |
521 | /* Handle any RTS IOCTL here */ | |
522 | if( cmd == WL_IOCTL_RTS ) { | |
523 | DBG_TRACE( DbgInfo, "IOCTL: WL_IOCTL_RTS\n" ); | |
524 | ret = wvlan_rts( (struct rtsreq *)rq, dev->base_addr ); | |
525 | } else { | |
526 | DBG_TRACE( DbgInfo, "IOCTL not supported in RTS mode: 0x%X\n", cmd ); | |
527 | ret = -EOPNOTSUPP; | |
528 | } | |
529 | ||
530 | goto out_act_int_on_unlock; | |
531 | } | |
532 | #endif /* USE_RTS */ | |
533 | ||
534 | /* Only handle UIL IOCTL requests when the UIL has the system blocked. */ | |
535 | if( !(( lp->flags & WVLAN2_UIL_BUSY ) && ( cmd != WVLAN2_IOCTL_UIL ))) { | |
536 | #ifdef USE_UIL | |
537 | struct uilreq *urq = (struct uilreq *)rq; | |
538 | #endif /* USE_UIL */ | |
539 | ||
540 | switch( cmd ) { | |
541 | // ================== Private IOCTLs (up to 16) ================== | |
542 | #ifdef USE_UIL | |
543 | case WVLAN2_IOCTL_UIL: | |
544 | DBG_TRACE( DbgInfo, "IOCTL: WVLAN2_IOCTL_UIL\n" ); | |
545 | ret = wvlan_uil( urq, lp ); | |
546 | break; | |
547 | #endif /* USE_UIL */ | |
548 | ||
549 | default: | |
550 | DBG_TRACE(DbgInfo, "IOCTL CODE NOT SUPPORTED: 0x%X\n", cmd ); | |
551 | ret = -EOPNOTSUPP; | |
552 | break; | |
553 | } | |
554 | } else { | |
555 | DBG_WARNING( DbgInfo, "DEVICE IS BUSY, CANNOT PROCESS REQUEST\n" ); | |
556 | ret = -EBUSY; | |
557 | } | |
558 | ||
559 | #ifdef USE_RTS | |
560 | out_act_int_on_unlock: | |
561 | #endif /* USE_RTS */ | |
562 | wl_act_int_on( lp ); | |
563 | ||
564 | wl_unlock( lp, &flags ); | |
565 | ||
566 | DBG_LEAVE( DbgInfo ); | |
567 | return ret; | |
568 | } // wl_ioctl | |
569 | /*============================================================================*/ | |
570 | ||
571 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
572 | void wl_poll(struct net_device *dev) | |
573 | { | |
574 | struct wl_private *lp = wl_priv(dev); | |
575 | unsigned long flags; | |
576 | struct pt_regs regs; | |
577 | ||
578 | wl_lock( lp, &flags ); | |
579 | wl_isr(dev->irq, dev, ®s); | |
580 | wl_unlock( lp, &flags ); | |
581 | } | |
582 | #endif | |
583 | ||
584 | /******************************************************************************* | |
585 | * wl_tx_timeout() | |
586 | ******************************************************************************* | |
587 | * | |
588 | * DESCRIPTION: | |
589 | * | |
590 | * The handler called when, for some reason, a Tx request is not completed. | |
591 | * | |
592 | * PARAMETERS: | |
593 | * | |
594 | * dev - a pointer to the device's net_device struct. | |
595 | * | |
596 | * RETURNS: | |
597 | * | |
598 | * N/A | |
599 | * | |
600 | ******************************************************************************/ | |
601 | void wl_tx_timeout( struct net_device *dev ) | |
602 | { | |
603 | #ifdef USE_WDS | |
604 | int count; | |
605 | #endif /* USE_WDS */ | |
606 | unsigned long flags; | |
607 | struct wl_private *lp = wl_priv(dev); | |
608 | struct net_device_stats *pStats = NULL; | |
609 | /*------------------------------------------------------------------------*/ | |
610 | ||
611 | DBG_FUNC( "wl_tx_timeout" ); | |
612 | DBG_ENTER( DbgInfo ); | |
613 | ||
614 | DBG_WARNING( DbgInfo, "%s: Transmit timeout.\n", dev->name ); | |
615 | ||
616 | wl_lock( lp, &flags ); | |
617 | ||
618 | #ifdef USE_RTS | |
619 | if( lp->useRTS == 1 ) { | |
620 | DBG_TRACE( DbgInfo, "Skipping tx_timeout handler, in RTS mode\n" ); | |
621 | wl_unlock( lp, &flags ); | |
622 | ||
623 | DBG_LEAVE( DbgInfo ); | |
624 | return; | |
625 | } | |
626 | #endif /* USE_RTS */ | |
627 | ||
628 | /* Figure out which device (the "root" device or WDS port) this timeout | |
629 | is for */ | |
630 | #ifdef USE_WDS | |
631 | ||
632 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
633 | if( dev == lp->wds_port[count].dev ) { | |
634 | pStats = &( lp->wds_port[count].stats ); | |
635 | ||
636 | /* Break the loop so that we can use the counter to access WDS | |
637 | information in the private structure */ | |
638 | break; | |
639 | } | |
640 | } | |
641 | ||
642 | #endif /* USE_WDS */ | |
643 | ||
644 | /* If pStats is still NULL, then the device is not a WDS port */ | |
645 | if( pStats == NULL ) { | |
646 | pStats = &( lp->stats ); | |
647 | } | |
648 | ||
649 | /* Accumulate the timeout error */ | |
650 | pStats->tx_errors++; | |
651 | ||
652 | wl_unlock( lp, &flags ); | |
653 | ||
654 | DBG_LEAVE( DbgInfo ); | |
68c0bdff HG |
655 | } // wl_tx_timeout |
656 | /*============================================================================*/ | |
657 | ||
658 | /******************************************************************************* | |
659 | * wl_send() | |
660 | ******************************************************************************* | |
661 | * | |
662 | * DESCRIPTION: | |
663 | * | |
664 | * The routine which performs data transmits. | |
665 | * | |
666 | * PARAMETERS: | |
667 | * | |
668 | * lp - a pointer to the device's wl_private struct. | |
669 | * | |
670 | * RETURNS: | |
671 | * | |
672 | * 0 on success | |
673 | * 1 on error | |
674 | * | |
675 | ******************************************************************************/ | |
676 | int wl_send( struct wl_private *lp ) | |
677 | { | |
678 | ||
679 | int status; | |
680 | DESC_STRCT *desc; | |
681 | WVLAN_LFRAME *txF = NULL; | |
682 | struct list_head *element; | |
683 | int len; | |
684 | /*------------------------------------------------------------------------*/ | |
685 | ||
686 | DBG_FUNC( "wl_send" ); | |
687 | ||
688 | if( lp == NULL ) { | |
689 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); | |
690 | return FALSE; | |
691 | } | |
692 | if( lp->dev == NULL ) { | |
693 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); | |
694 | return FALSE; | |
695 | } | |
696 | ||
697 | /* Check for the availability of FIDs; if none are available, don't take any | |
698 | frames off the txQ */ | |
699 | if( lp->hcfCtx.IFB_RscInd == 0 ) { | |
700 | return FALSE; | |
701 | } | |
702 | ||
703 | /* Reclaim the TxQ Elements and place them back on the free queue */ | |
704 | if( !list_empty( &( lp->txQ[0] ))) { | |
705 | element = lp->txQ[0].next; | |
706 | ||
707 | txF = (WVLAN_LFRAME * )list_entry( element, WVLAN_LFRAME, node ); | |
708 | if( txF != NULL ) { | |
709 | lp->txF.skb = txF->frame.skb; | |
710 | lp->txF.port = txF->frame.port; | |
711 | ||
712 | txF->frame.skb = NULL; | |
713 | txF->frame.port = 0; | |
714 | ||
715 | list_del( &( txF->node )); | |
716 | list_add( element, &( lp->txFree )); | |
717 | ||
718 | lp->txQ_count--; | |
719 | ||
720 | if( lp->txQ_count < TX_Q_LOW_WATER_MARK ) { | |
721 | if( lp->netif_queue_on == FALSE ) { | |
722 | DBG_TX( DbgInfo, "Kickstarting Q: %d\n", lp->txQ_count ); | |
723 | netif_wake_queue( lp->dev ); | |
724 | WL_WDS_NETIF_WAKE_QUEUE( lp ); | |
725 | lp->netif_queue_on = TRUE; | |
726 | } | |
727 | } | |
728 | } | |
729 | } | |
730 | ||
731 | if( lp->txF.skb == NULL ) { | |
732 | return FALSE; | |
733 | } | |
734 | ||
735 | /* If the device has resources (FIDs) available, then Tx the packet */ | |
736 | /* Format the TxRequest and send it to the adapter */ | |
737 | len = lp->txF.skb->len < ETH_ZLEN ? ETH_ZLEN : lp->txF.skb->len; | |
738 | ||
739 | desc = &( lp->desc_tx ); | |
740 | desc->buf_addr = lp->txF.skb->data; | |
741 | desc->BUF_CNT = len; | |
742 | desc->next_desc_addr = NULL; | |
743 | ||
744 | status = hcf_send_msg( &( lp->hcfCtx ), desc, lp->txF.port ); | |
745 | ||
746 | if( status == HCF_SUCCESS ) { | |
747 | lp->dev->trans_start = jiffies; | |
748 | ||
749 | DBG_TX( DbgInfo, "Transmit...\n" ); | |
750 | ||
751 | if( lp->txF.port == HCF_PORT_0 ) { | |
752 | lp->stats.tx_packets++; | |
753 | lp->stats.tx_bytes += lp->txF.skb->len; | |
754 | } | |
755 | ||
756 | #ifdef USE_WDS | |
757 | else | |
758 | { | |
759 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_packets++; | |
760 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_bytes += lp->txF.skb->len; | |
761 | } | |
762 | ||
763 | #endif /* USE_WDS */ | |
764 | ||
765 | /* Free the skb and perform queue cleanup, as the buffer was | |
766 | transmitted successfully */ | |
767 | dev_kfree_skb( lp->txF.skb ); | |
768 | ||
769 | lp->txF.skb = NULL; | |
770 | lp->txF.port = 0; | |
771 | } | |
772 | ||
773 | return TRUE; | |
774 | } // wl_send | |
775 | /*============================================================================*/ | |
776 | ||
777 | /******************************************************************************* | |
778 | * wl_tx() | |
779 | ******************************************************************************* | |
780 | * | |
781 | * DESCRIPTION: | |
782 | * | |
783 | * The Tx handler function for the network layer. | |
784 | * | |
785 | * PARAMETERS: | |
786 | * | |
787 | * skb - a pointer to the sk_buff structure containing the data to transfer. | |
788 | * dev - a pointer to the device's net_device structure. | |
789 | * | |
790 | * RETURNS: | |
791 | * | |
792 | * 0 on success | |
793 | * 1 on error | |
794 | * | |
795 | ******************************************************************************/ | |
796 | int wl_tx( struct sk_buff *skb, struct net_device *dev, int port ) | |
797 | { | |
798 | unsigned long flags; | |
799 | struct wl_private *lp = wl_priv(dev); | |
800 | WVLAN_LFRAME *txF = NULL; | |
801 | struct list_head *element; | |
802 | /*------------------------------------------------------------------------*/ | |
803 | ||
804 | DBG_FUNC( "wl_tx" ); | |
805 | ||
806 | /* Grab the spinlock */ | |
807 | wl_lock( lp, &flags ); | |
808 | ||
809 | if( lp->flags & WVLAN2_UIL_BUSY ) { | |
810 | DBG_WARNING( DbgInfo, "UIL has device blocked\n" ); | |
811 | /* Start dropping packets here??? */ | |
812 | wl_unlock( lp, &flags ); | |
813 | return 1; | |
814 | } | |
815 | ||
816 | #ifdef USE_RTS | |
817 | if( lp->useRTS == 1 ) { | |
818 | DBG_PRINT( "RTS: we're getting a Tx...\n" ); | |
819 | wl_unlock( lp, &flags ); | |
820 | return 1; | |
821 | } | |
822 | #endif /* USE_RTS */ | |
823 | ||
824 | if( !lp->use_dma ) { | |
825 | /* Get an element from the queue */ | |
826 | element = lp->txFree.next; | |
827 | txF = (WVLAN_LFRAME *)list_entry( element, WVLAN_LFRAME, node ); | |
828 | if( txF == NULL ) { | |
829 | DBG_ERROR( DbgInfo, "Problem with list_entry\n" ); | |
830 | wl_unlock( lp, &flags ); | |
831 | return 1; | |
832 | } | |
833 | /* Fill out the frame */ | |
834 | txF->frame.skb = skb; | |
835 | txF->frame.port = port; | |
836 | /* Move the frame to the txQ */ | |
837 | /* NOTE: Here's where we would do priority queueing */ | |
84bda909 | 838 | list_move(&(txF->node), &(lp->txQ[0])); |
68c0bdff HG |
839 | |
840 | lp->txQ_count++; | |
841 | if( lp->txQ_count >= DEFAULT_NUM_TX_FRAMES ) { | |
842 | DBG_TX( DbgInfo, "Q Full: %d\n", lp->txQ_count ); | |
843 | if( lp->netif_queue_on == TRUE ) { | |
844 | netif_stop_queue( lp->dev ); | |
845 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
846 | lp->netif_queue_on = FALSE; | |
847 | } | |
848 | } | |
849 | } | |
850 | wl_act_int_off( lp ); /* Disable Interrupts */ | |
851 | ||
852 | /* Send the data to the hardware using the appropriate method */ | |
853 | #ifdef ENABLE_DMA | |
854 | if( lp->use_dma ) { | |
855 | wl_send_dma( lp, skb, port ); | |
856 | } | |
857 | else | |
858 | #endif | |
859 | { | |
860 | wl_send( lp ); | |
861 | } | |
862 | /* Re-enable Interrupts, release the spinlock and return */ | |
863 | wl_act_int_on( lp ); | |
864 | wl_unlock( lp, &flags ); | |
865 | return 0; | |
866 | } // wl_tx | |
867 | /*============================================================================*/ | |
868 | ||
869 | /******************************************************************************* | |
870 | * wl_rx() | |
871 | ******************************************************************************* | |
872 | * | |
873 | * DESCRIPTION: | |
874 | * | |
875 | * The routine which performs data reception. | |
876 | * | |
877 | * PARAMETERS: | |
878 | * | |
879 | * dev - a pointer to the device's net_device structure. | |
880 | * | |
881 | * RETURNS: | |
882 | * | |
883 | * 0 on success | |
884 | * 1 on error | |
885 | * | |
886 | ******************************************************************************/ | |
887 | int wl_rx(struct net_device *dev) | |
888 | { | |
889 | int port; | |
890 | struct sk_buff *skb; | |
891 | struct wl_private *lp = wl_priv(dev); | |
892 | int status; | |
893 | hcf_16 pktlen; | |
894 | hcf_16 hfs_stat; | |
895 | DESC_STRCT *desc; | |
896 | /*------------------------------------------------------------------------*/ | |
897 | ||
898 | DBG_FUNC("wl_rx") | |
899 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
900 | ||
901 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
902 | ||
903 | #ifdef USE_RTS | |
904 | if( lp->useRTS == 1 ) { | |
905 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
906 | return -EIO; | |
907 | } | |
908 | #endif /* USE_RTS */ | |
909 | ||
910 | /* Read the HFS_STAT register from the lookahead buffer */ | |
911 | hfs_stat = (hcf_16)(( lp->lookAheadBuf[HFS_STAT] ) | | |
912 | ( lp->lookAheadBuf[HFS_STAT + 1] << 8 )); | |
913 | ||
914 | /* Make sure the frame isn't bad */ | |
915 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) { | |
916 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
917 | lp->lookAheadBuf[HFS_STAT] ); | |
918 | return -EIO; | |
919 | } | |
920 | ||
921 | /* Determine what port this packet is for */ | |
922 | port = ( hfs_stat >> 8 ) & 0x0007; | |
923 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
924 | ||
491dbc8d JP |
925 | pktlen = lp->hcfCtx.IFB_RxLen; |
926 | if (pktlen != 0) { | |
927 | skb = ALLOC_SKB(pktlen); | |
928 | if (skb != NULL) { | |
68c0bdff HG |
929 | /* Set the netdev based on the port */ |
930 | switch( port ) { | |
931 | #ifdef USE_WDS | |
932 | case 1: | |
933 | case 2: | |
934 | case 3: | |
935 | case 4: | |
936 | case 5: | |
937 | case 6: | |
938 | skb->dev = lp->wds_port[port-1].dev; | |
939 | break; | |
940 | #endif /* USE_WDS */ | |
941 | ||
942 | case 0: | |
943 | default: | |
944 | skb->dev = dev; | |
945 | break; | |
946 | } | |
947 | ||
948 | desc = &( lp->desc_rx ); | |
949 | ||
950 | desc->next_desc_addr = NULL; | |
951 | ||
952 | /* | |
953 | #define BLOCK_INPUT(buf, len) \ | |
954 | desc->buf_addr = buf; \ | |
955 | desc->BUF_SIZE = len; \ | |
956 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
957 | */ | |
958 | ||
959 | GET_PACKET( skb->dev, skb, pktlen ); | |
960 | ||
961 | if( status == HCF_SUCCESS ) { | |
962 | netif_rx( skb ); | |
963 | ||
964 | if( port == 0 ) { | |
965 | lp->stats.rx_packets++; | |
966 | lp->stats.rx_bytes += pktlen; | |
967 | } | |
968 | #ifdef USE_WDS | |
969 | else | |
970 | { | |
971 | lp->wds_port[port-1].stats.rx_packets++; | |
972 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
973 | } | |
974 | #endif /* USE_WDS */ | |
975 | ||
976 | dev->last_rx = jiffies; | |
977 | ||
978 | #ifdef WIRELESS_EXT | |
979 | #ifdef WIRELESS_SPY | |
980 | if( lp->spydata.spy_number > 0 ) { | |
981 | char *srcaddr = skb->mac.raw + MAC_ADDR_SIZE; | |
982 | ||
983 | wl_spy_gather( dev, srcaddr ); | |
984 | } | |
985 | #endif /* WIRELESS_SPY */ | |
986 | #endif /* WIRELESS_EXT */ | |
987 | } else { | |
988 | DBG_ERROR( DbgInfo, "Rx request to card FAILED\n" ); | |
989 | ||
990 | if( port == 0 ) { | |
991 | lp->stats.rx_dropped++; | |
992 | } | |
993 | #ifdef USE_WDS | |
994 | else | |
995 | { | |
996 | lp->wds_port[port-1].stats.rx_dropped++; | |
997 | } | |
998 | #endif /* USE_WDS */ | |
999 | ||
1000 | dev_kfree_skb( skb ); | |
1001 | } | |
1002 | } else { | |
1003 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
1004 | ||
1005 | if( port == 0 ) { | |
1006 | lp->stats.rx_dropped++; | |
1007 | } | |
1008 | #ifdef USE_WDS | |
1009 | else | |
1010 | { | |
1011 | lp->wds_port[port-1].stats.rx_dropped++; | |
1012 | } | |
1013 | #endif /* USE_WDS */ | |
1014 | } | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | return 0; | |
1019 | } // wl_rx | |
1020 | /*============================================================================*/ | |
1021 | ||
1022 | /******************************************************************************* | |
1023 | * wl_multicast() | |
1024 | ******************************************************************************* | |
1025 | * | |
1026 | * DESCRIPTION: | |
1027 | * | |
1028 | * Function to handle multicast packets | |
1029 | * | |
1030 | * PARAMETERS: | |
1031 | * | |
1032 | * dev - a pointer to the device's net_device structure. | |
1033 | * | |
1034 | * RETURNS: | |
1035 | * | |
1036 | * N/A | |
1037 | * | |
1038 | ******************************************************************************/ | |
1039 | #ifdef NEW_MULTICAST | |
1040 | ||
1041 | void wl_multicast( struct net_device *dev ) | |
1042 | { | |
1043 | #if 1 //;? (HCF_TYPE) & HCF_TYPE_STA //;?should we return an error status in AP mode | |
1044 | //;?seems reasonable that even an AP-only driver could afford this small additional footprint | |
1045 | ||
1046 | int x; | |
22bedad3 | 1047 | struct netdev_hw_addr *ha; |
68c0bdff HG |
1048 | struct wl_private *lp = wl_priv(dev); |
1049 | unsigned long flags; | |
1050 | /*------------------------------------------------------------------------*/ | |
1051 | ||
1052 | DBG_FUNC( "wl_multicast" ); | |
1053 | DBG_ENTER( DbgInfo ); | |
1054 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
1055 | ||
1056 | if( !wl_adapter_is_open( dev )) { | |
1057 | DBG_LEAVE( DbgInfo ); | |
1058 | return; | |
1059 | } | |
1060 | ||
1061 | #if DBG | |
1062 | if( DBG_FLAGS( DbgInfo ) & DBG_PARAM_ON ) { | |
1063 | DBG_PRINT(" flags: %s%s%s\n", | |
73e18893 | 1064 | ( dev->flags & IFF_PROMISC ) ? "Promiscuous " : "", |
68c0bdff HG |
1065 | ( dev->flags & IFF_MULTICAST ) ? "Multicast " : "", |
1066 | ( dev->flags & IFF_ALLMULTI ) ? "All-Multicast" : "" ); | |
1067 | ||
4cd24eaf | 1068 | DBG_PRINT( " mc_count: %d\n", netdev_mc_count(dev)); |
68c0bdff | 1069 | |
22bedad3 | 1070 | netdev_for_each_mc_addr(ha, dev) |
2b6d83d6 | 1071 | DBG_PRINT(" %pM (%d)\n", ha->addr, dev->addr_len); |
68c0bdff HG |
1072 | } |
1073 | #endif /* DBG */ | |
1074 | ||
1075 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
1076 | ||
1077 | #ifdef USE_RTS | |
1078 | if( lp->useRTS == 1 ) { | |
1079 | DBG_TRACE( DbgInfo, "Skipping multicast, in RTS mode\n" ); | |
1080 | ||
1081 | DBG_LEAVE( DbgInfo ); | |
1082 | return; | |
1083 | } | |
1084 | #endif /* USE_RTS */ | |
1085 | ||
1086 | wl_lock( lp, &flags ); | |
1087 | wl_act_int_off( lp ); | |
1088 | ||
1089 | if ( CNV_INT_TO_LITTLE( lp->hcfCtx.IFB_FWIdentity.comp_id ) == COMP_ID_FW_STA ) { | |
1090 | if( dev->flags & IFF_PROMISC ) { | |
1091 | /* Enable promiscuous mode */ | |
1092 | lp->ltvRecord.len = 2; | |
1093 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1094 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1095 | DBG_PRINT( "Enabling Promiscuous mode (IFF_PROMISC)\n" ); | |
1096 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1097 | } | |
4cd24eaf | 1098 | else if ((netdev_mc_count(dev) > HCF_MAX_MULTICAST) || |
68c0bdff HG |
1099 | ( dev->flags & IFF_ALLMULTI )) { |
1100 | /* Shutting off this filter will enable all multicast frames to | |
1101 | be sent up from the device; however, this is a static RID, so | |
1102 | a call to wl_apply() is needed */ | |
1103 | lp->ltvRecord.len = 2; | |
1104 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1105 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1106 | DBG_PRINT( "Enabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1107 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1108 | wl_apply( lp ); | |
1109 | } | |
4cd24eaf | 1110 | else if (!netdev_mc_empty(dev)) { |
68c0bdff | 1111 | /* Set the multicast addresses */ |
4cd24eaf | 1112 | lp->ltvRecord.len = ( netdev_mc_count(dev) * 3 ) + 1; |
68c0bdff HG |
1113 | lp->ltvRecord.typ = CFG_GROUP_ADDR; |
1114 | ||
d5907942 | 1115 | x = 0; |
22bedad3 | 1116 | netdev_for_each_mc_addr(ha, dev) |
d5907942 | 1117 | memcpy(&(lp->ltvRecord.u.u8[x++ * ETH_ALEN]), |
22bedad3 | 1118 | ha->addr, ETH_ALEN); |
68c0bdff HG |
1119 | DBG_PRINT( "Setting multicast list\n" ); |
1120 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1121 | } else { | |
1122 | /* Disable promiscuous mode */ | |
1123 | lp->ltvRecord.len = 2; | |
1124 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1125 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1126 | DBG_PRINT( "Disabling Promiscuous mode\n" ); | |
1127 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1128 | ||
1129 | /* Disable multicast mode */ | |
1130 | lp->ltvRecord.len = 2; | |
1131 | lp->ltvRecord.typ = CFG_GROUP_ADDR; | |
1132 | DBG_PRINT( "Disabling Multicast mode\n" ); | |
1133 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1134 | ||
1135 | /* Turning on this filter will prevent all multicast frames from | |
1136 | being sent up from the device; however, this is a static RID, | |
1137 | so a call to wl_apply() is needed */ | |
1138 | lp->ltvRecord.len = 2; | |
1139 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1140 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1141 | DBG_PRINT( "Disabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1142 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1143 | wl_apply( lp ); | |
1144 | } | |
1145 | } | |
1146 | wl_act_int_on( lp ); | |
1147 | wl_unlock( lp, &flags ); | |
1148 | } | |
1149 | DBG_LEAVE( DbgInfo ); | |
1150 | #endif /* HCF_STA */ | |
1151 | } // wl_multicast | |
1152 | /*============================================================================*/ | |
1153 | ||
1154 | #else /* NEW_MULTICAST */ | |
1155 | ||
1156 | void wl_multicast( struct net_device *dev, int num_addrs, void *addrs ) | |
1157 | { | |
1158 | DBG_FUNC( "wl_multicast"); | |
1159 | DBG_ENTER(DbgInfo); | |
1160 | ||
1161 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
1162 | DBG_PARAM( DbgInfo, "num_addrs", "%d", num_addrs ); | |
1163 | DBG_PARAM( DbgInfo, "addrs", "0x%p", addrs ); | |
1164 | ||
1165 | #error Obsolete set multicast interface! | |
1166 | ||
1167 | DBG_LEAVE( DbgInfo ); | |
1168 | } // wl_multicast | |
1169 | /*============================================================================*/ | |
1170 | ||
1171 | #endif /* NEW_MULTICAST */ | |
1172 | ||
68c0bdff HG |
1173 | static const struct net_device_ops wl_netdev_ops = |
1174 | { | |
1175 | .ndo_start_xmit = &wl_tx_port0, | |
1176 | ||
1177 | .ndo_set_config = &wl_config, | |
1178 | .ndo_get_stats = &wl_stats, | |
afc4b13d | 1179 | .ndo_set_rx_mode = &wl_multicast, |
68c0bdff HG |
1180 | |
1181 | .ndo_init = &wl_insert, | |
1182 | .ndo_open = &wl_adapter_open, | |
1183 | .ndo_stop = &wl_adapter_close, | |
1184 | .ndo_do_ioctl = &wl_ioctl, | |
1185 | ||
68c0bdff | 1186 | .ndo_tx_timeout = &wl_tx_timeout, |
68c0bdff HG |
1187 | |
1188 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1189 | .ndo_poll_controller = wl_poll, | |
1190 | #endif | |
1191 | }; | |
68c0bdff HG |
1192 | |
1193 | /******************************************************************************* | |
1194 | * wl_device_alloc() | |
1195 | ******************************************************************************* | |
1196 | * | |
1197 | * DESCRIPTION: | |
1198 | * | |
1199 | * Create instances of net_device and wl_private for the new adapter | |
1200 | * and register the device's entry points in the net_device structure. | |
1201 | * | |
1202 | * PARAMETERS: | |
1203 | * | |
1204 | * N/A | |
1205 | * | |
1206 | * RETURNS: | |
1207 | * | |
1208 | * a pointer to an allocated and initialized net_device struct for this | |
1209 | * device. | |
1210 | * | |
1211 | ******************************************************************************/ | |
1212 | struct net_device * wl_device_alloc( void ) | |
1213 | { | |
1214 | struct net_device *dev = NULL; | |
1215 | struct wl_private *lp = NULL; | |
1216 | /*------------------------------------------------------------------------*/ | |
1217 | ||
1218 | DBG_FUNC( "wl_device_alloc" ); | |
1219 | DBG_ENTER( DbgInfo ); | |
1220 | ||
1221 | /* Alloc a net_device struct */ | |
1222 | dev = alloc_etherdev(sizeof(struct wl_private)); | |
1223 | if (!dev) | |
1224 | return NULL; | |
1225 | ||
1226 | /* Initialize the 'next' pointer in the struct. Currently only used for PCI, | |
1227 | but do it here just in case it's used for other buses in the future */ | |
1228 | lp = wl_priv(dev); | |
1229 | ||
1230 | ||
1231 | /* Check MTU */ | |
1232 | if( dev->mtu > MTU_MAX ) | |
1233 | { | |
1234 | DBG_WARNING( DbgInfo, "%s: MTU set too high, limiting to %d.\n", | |
1235 | dev->name, MTU_MAX ); | |
1236 | dev->mtu = MTU_MAX; | |
1237 | } | |
1238 | ||
1239 | /* Setup the function table in the device structure. */ | |
1240 | ||
1241 | dev->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def; | |
1242 | lp->wireless_data.spy_data = &lp->spy_data; | |
1243 | dev->wireless_data = &lp->wireless_data; | |
1244 | ||
68c0bdff | 1245 | dev->netdev_ops = &wl_netdev_ops; |
68c0bdff | 1246 | |
68c0bdff | 1247 | dev->watchdog_timeo = TX_TIMEOUT; |
68c0bdff HG |
1248 | |
1249 | dev->ethtool_ops = &wl_ethtool_ops; | |
1250 | ||
1251 | netif_stop_queue( dev ); | |
1252 | ||
cb154c18 | 1253 | /* Allocate virtual devices for WDS support if needed */ |
68c0bdff HG |
1254 | WL_WDS_DEVICE_ALLOC( lp ); |
1255 | ||
1256 | DBG_LEAVE( DbgInfo ); | |
1257 | return dev; | |
1258 | } // wl_device_alloc | |
1259 | /*============================================================================*/ | |
1260 | ||
1261 | /******************************************************************************* | |
1262 | * wl_device_dealloc() | |
1263 | ******************************************************************************* | |
1264 | * | |
1265 | * DESCRIPTION: | |
1266 | * | |
1267 | * Free instances of net_device and wl_private strcutres for an adapter | |
1268 | * and perform basic cleanup. | |
1269 | * | |
1270 | * PARAMETERS: | |
1271 | * | |
1272 | * dev - a pointer to the device's net_device structure. | |
1273 | * | |
1274 | * RETURNS: | |
1275 | * | |
1276 | * N/A | |
1277 | * | |
1278 | ******************************************************************************/ | |
1279 | void wl_device_dealloc( struct net_device *dev ) | |
1280 | { | |
1281 | // struct wl_private *lp = wl_priv(dev); | |
1282 | /*------------------------------------------------------------------------*/ | |
1283 | ||
1284 | DBG_FUNC( "wl_device_dealloc" ); | |
1285 | DBG_ENTER( DbgInfo ); | |
1286 | ||
1287 | /* Dealloc the WDS ports */ | |
1288 | WL_WDS_DEVICE_DEALLOC( lp ); | |
1289 | ||
1290 | free_netdev( dev ); | |
1291 | ||
1292 | DBG_LEAVE( DbgInfo ); | |
68c0bdff HG |
1293 | } // wl_device_dealloc |
1294 | /*============================================================================*/ | |
1295 | ||
1296 | /******************************************************************************* | |
1297 | * wl_tx_port0() | |
1298 | ******************************************************************************* | |
1299 | * | |
1300 | * DESCRIPTION: | |
1301 | * | |
1302 | * The handler routine for Tx over HCF_PORT_0. | |
1303 | * | |
1304 | * PARAMETERS: | |
1305 | * | |
1306 | * skb - a pointer to the sk_buff to transmit. | |
1307 | * dev - a pointer to a net_device structure representing HCF_PORT_0. | |
1308 | * | |
1309 | * RETURNS: | |
1310 | * | |
1311 | * N/A | |
1312 | * | |
1313 | ******************************************************************************/ | |
1314 | int wl_tx_port0( struct sk_buff *skb, struct net_device *dev ) | |
1315 | { | |
1316 | DBG_TX( DbgInfo, "Tx on Port 0\n" ); | |
1317 | ||
1318 | return wl_tx( skb, dev, HCF_PORT_0 ); | |
1319 | #ifdef ENABLE_DMA | |
1320 | return wl_tx_dma( skb, dev, HCF_PORT_0 ); | |
1321 | #endif | |
1322 | } // wl_tx_port0 | |
1323 | /*============================================================================*/ | |
1324 | ||
1325 | #ifdef USE_WDS | |
1326 | ||
1327 | /******************************************************************************* | |
1328 | * wl_tx_port1() | |
1329 | ******************************************************************************* | |
1330 | * | |
1331 | * DESCRIPTION: | |
1332 | * | |
1333 | * The handler routine for Tx over HCF_PORT_1. | |
1334 | * | |
1335 | * PARAMETERS: | |
1336 | * | |
1337 | * skb - a pointer to the sk_buff to transmit. | |
1338 | * dev - a pointer to a net_device structure representing HCF_PORT_1. | |
1339 | * | |
1340 | * RETURNS: | |
1341 | * | |
1342 | * N/A | |
1343 | * | |
1344 | ******************************************************************************/ | |
1345 | int wl_tx_port1( struct sk_buff *skb, struct net_device *dev ) | |
1346 | { | |
1347 | DBG_TX( DbgInfo, "Tx on Port 1\n" ); | |
1348 | return wl_tx( skb, dev, HCF_PORT_1 ); | |
1349 | } // wl_tx_port1 | |
1350 | /*============================================================================*/ | |
1351 | ||
1352 | /******************************************************************************* | |
1353 | * wl_tx_port2() | |
1354 | ******************************************************************************* | |
1355 | * | |
1356 | * DESCRIPTION: | |
1357 | * | |
1358 | * The handler routine for Tx over HCF_PORT_2. | |
1359 | * | |
1360 | * PARAMETERS: | |
1361 | * | |
1362 | * skb - a pointer to the sk_buff to transmit. | |
1363 | * dev - a pointer to a net_device structure representing HCF_PORT_2. | |
1364 | * | |
1365 | * RETURNS: | |
1366 | * | |
1367 | * N/A | |
1368 | * | |
1369 | ******************************************************************************/ | |
1370 | int wl_tx_port2( struct sk_buff *skb, struct net_device *dev ) | |
1371 | { | |
1372 | DBG_TX( DbgInfo, "Tx on Port 2\n" ); | |
1373 | return wl_tx( skb, dev, HCF_PORT_2 ); | |
1374 | } // wl_tx_port2 | |
1375 | /*============================================================================*/ | |
1376 | ||
1377 | /******************************************************************************* | |
1378 | * wl_tx_port3() | |
1379 | ******************************************************************************* | |
1380 | * | |
1381 | * DESCRIPTION: | |
1382 | * | |
1383 | * The handler routine for Tx over HCF_PORT_3. | |
1384 | * | |
1385 | * PARAMETERS: | |
1386 | * | |
1387 | * skb - a pointer to the sk_buff to transmit. | |
1388 | * dev - a pointer to a net_device structure representing HCF_PORT_3. | |
1389 | * | |
1390 | * RETURNS: | |
1391 | * | |
1392 | * N/A | |
1393 | * | |
1394 | ******************************************************************************/ | |
1395 | int wl_tx_port3( struct sk_buff *skb, struct net_device *dev ) | |
1396 | { | |
1397 | DBG_TX( DbgInfo, "Tx on Port 3\n" ); | |
1398 | return wl_tx( skb, dev, HCF_PORT_3 ); | |
1399 | } // wl_tx_port3 | |
1400 | /*============================================================================*/ | |
1401 | ||
1402 | /******************************************************************************* | |
1403 | * wl_tx_port4() | |
1404 | ******************************************************************************* | |
1405 | * | |
1406 | * DESCRIPTION: | |
1407 | * | |
1408 | * The handler routine for Tx over HCF_PORT_4. | |
1409 | * | |
1410 | * PARAMETERS: | |
1411 | * | |
1412 | * skb - a pointer to the sk_buff to transmit. | |
1413 | * dev - a pointer to a net_device structure representing HCF_PORT_4. | |
1414 | * | |
1415 | * RETURNS: | |
1416 | * | |
1417 | * N/A | |
1418 | * | |
1419 | ******************************************************************************/ | |
1420 | int wl_tx_port4( struct sk_buff *skb, struct net_device *dev ) | |
1421 | { | |
1422 | DBG_TX( DbgInfo, "Tx on Port 4\n" ); | |
1423 | return wl_tx( skb, dev, HCF_PORT_4 ); | |
1424 | } // wl_tx_port4 | |
1425 | /*============================================================================*/ | |
1426 | ||
1427 | /******************************************************************************* | |
1428 | * wl_tx_port5() | |
1429 | ******************************************************************************* | |
1430 | * | |
1431 | * DESCRIPTION: | |
1432 | * | |
1433 | * The handler routine for Tx over HCF_PORT_5. | |
1434 | * | |
1435 | * PARAMETERS: | |
1436 | * | |
1437 | * skb - a pointer to the sk_buff to transmit. | |
1438 | * dev - a pointer to a net_device structure representing HCF_PORT_5. | |
1439 | * | |
1440 | * RETURNS: | |
1441 | * | |
1442 | * N/A | |
1443 | * | |
1444 | ******************************************************************************/ | |
1445 | int wl_tx_port5( struct sk_buff *skb, struct net_device *dev ) | |
1446 | { | |
1447 | DBG_TX( DbgInfo, "Tx on Port 5\n" ); | |
1448 | return wl_tx( skb, dev, HCF_PORT_5 ); | |
1449 | } // wl_tx_port5 | |
1450 | /*============================================================================*/ | |
1451 | ||
1452 | /******************************************************************************* | |
1453 | * wl_tx_port6() | |
1454 | ******************************************************************************* | |
1455 | * | |
1456 | * DESCRIPTION: | |
1457 | * | |
1458 | * The handler routine for Tx over HCF_PORT_6. | |
1459 | * | |
1460 | * PARAMETERS: | |
1461 | * | |
1462 | * skb - a pointer to the sk_buff to transmit. | |
1463 | * dev - a pointer to a net_device structure representing HCF_PORT_6. | |
1464 | * | |
1465 | * RETURNS: | |
1466 | * | |
1467 | * N/A | |
1468 | * | |
1469 | ******************************************************************************/ | |
1470 | int wl_tx_port6( struct sk_buff *skb, struct net_device *dev ) | |
1471 | { | |
1472 | DBG_TX( DbgInfo, "Tx on Port 6\n" ); | |
1473 | return wl_tx( skb, dev, HCF_PORT_6 ); | |
1474 | } // wl_tx_port6 | |
1475 | /*============================================================================*/ | |
1476 | ||
1477 | /******************************************************************************* | |
1478 | * wl_wds_device_alloc() | |
1479 | ******************************************************************************* | |
1480 | * | |
1481 | * DESCRIPTION: | |
1482 | * | |
1483 | * Create instances of net_device to represent the WDS ports, and register | |
1484 | * the device's entry points in the net_device structure. | |
1485 | * | |
1486 | * PARAMETERS: | |
1487 | * | |
1488 | * lp - a pointer to the device's private adapter structure | |
1489 | * | |
1490 | * RETURNS: | |
1491 | * | |
1492 | * N/A, but will place pointers to the allocated and initialized net_device | |
1493 | * structs in the private adapter structure. | |
1494 | * | |
1495 | ******************************************************************************/ | |
1496 | void wl_wds_device_alloc( struct wl_private *lp ) | |
1497 | { | |
1498 | int count; | |
1499 | /*------------------------------------------------------------------------*/ | |
1500 | ||
1501 | DBG_FUNC( "wl_wds_device_alloc" ); | |
1502 | DBG_ENTER( DbgInfo ); | |
1503 | ||
1504 | /* WDS support requires additional net_device structs to be allocated, | |
1505 | so that user space apps can use these virtual devices to specify the | |
1506 | port on which to Tx/Rx */ | |
1507 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1508 | struct net_device *dev_wds = NULL; | |
1509 | ||
310c6a76 SN |
1510 | dev_wds = kzalloc(sizeof(struct net_device), GFP_KERNEL); |
1511 | if (!dev_wds) { | |
1512 | DBG_LEAVE(DbgInfo); | |
1513 | return; | |
1514 | } | |
68c0bdff HG |
1515 | |
1516 | ether_setup( dev_wds ); | |
1517 | ||
1518 | lp->wds_port[count].dev = dev_wds; | |
1519 | ||
1520 | /* Re-use wl_init for all the devices, as it currently does nothing, but | |
1521 | is required. Re-use the stats/tx_timeout handler for all as well; the | |
1522 | WDS port which is requesting these operations can be determined by | |
1523 | the net_device pointer. Set the private member of all devices to point | |
1524 | to the same net_device struct; that way, all information gets | |
1525 | funnelled through the one "real" net_device. Name the WDS ports | |
1526 | "wds<n>" */ | |
1527 | lp->wds_port[count].dev->init = &wl_init; | |
1528 | lp->wds_port[count].dev->get_stats = &wl_stats; | |
1529 | lp->wds_port[count].dev->tx_timeout = &wl_tx_timeout; | |
1530 | lp->wds_port[count].dev->watchdog_timeo = TX_TIMEOUT; | |
1531 | lp->wds_port[count].dev->priv = lp; | |
1532 | ||
1533 | sprintf( lp->wds_port[count].dev->name, "wds%d", count ); | |
1534 | } | |
1535 | ||
1536 | /* Register the Tx handlers */ | |
1537 | lp->wds_port[0].dev->hard_start_xmit = &wl_tx_port1; | |
1538 | lp->wds_port[1].dev->hard_start_xmit = &wl_tx_port2; | |
1539 | lp->wds_port[2].dev->hard_start_xmit = &wl_tx_port3; | |
1540 | lp->wds_port[3].dev->hard_start_xmit = &wl_tx_port4; | |
1541 | lp->wds_port[4].dev->hard_start_xmit = &wl_tx_port5; | |
1542 | lp->wds_port[5].dev->hard_start_xmit = &wl_tx_port6; | |
1543 | ||
1544 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
1545 | ||
1546 | DBG_LEAVE( DbgInfo ); | |
68c0bdff HG |
1547 | } // wl_wds_device_alloc |
1548 | /*============================================================================*/ | |
1549 | ||
1550 | /******************************************************************************* | |
1551 | * wl_wds_device_dealloc() | |
1552 | ******************************************************************************* | |
1553 | * | |
1554 | * DESCRIPTION: | |
1555 | * | |
1556 | * Free instances of net_device structures used to support WDS. | |
1557 | * | |
1558 | * PARAMETERS: | |
1559 | * | |
1560 | * lp - a pointer to the device's private adapter structure | |
1561 | * | |
1562 | * RETURNS: | |
1563 | * | |
1564 | * N/A | |
1565 | * | |
1566 | ******************************************************************************/ | |
1567 | void wl_wds_device_dealloc( struct wl_private *lp ) | |
1568 | { | |
1569 | int count; | |
1570 | /*------------------------------------------------------------------------*/ | |
1571 | ||
1572 | DBG_FUNC( "wl_wds_device_dealloc" ); | |
1573 | DBG_ENTER( DbgInfo ); | |
1574 | ||
1575 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1576 | struct net_device *dev_wds = NULL; | |
1577 | ||
1578 | dev_wds = lp->wds_port[count].dev; | |
1579 | ||
1580 | if( dev_wds != NULL ) { | |
1581 | if( dev_wds->flags & IFF_UP ) { | |
1582 | dev_close( dev_wds ); | |
1583 | dev_wds->flags &= ~( IFF_UP | IFF_RUNNING ); | |
1584 | } | |
1585 | ||
b37e0c61 | 1586 | free_netdev(dev_wds); |
68c0bdff HG |
1587 | lp->wds_port[count].dev = NULL; |
1588 | } | |
1589 | } | |
1590 | ||
1591 | DBG_LEAVE( DbgInfo ); | |
68c0bdff HG |
1592 | } // wl_wds_device_dealloc |
1593 | /*============================================================================*/ | |
1594 | ||
1595 | /******************************************************************************* | |
1596 | * wl_wds_netif_start_queue() | |
1597 | ******************************************************************************* | |
1598 | * | |
1599 | * DESCRIPTION: | |
1600 | * | |
1601 | * Used to start the netif queues of all the "virtual" network devices | |
86f9150c | 1602 | * which represent the WDS ports. |
68c0bdff HG |
1603 | * |
1604 | * PARAMETERS: | |
1605 | * | |
1606 | * lp - a pointer to the device's private adapter structure | |
1607 | * | |
1608 | * RETURNS: | |
1609 | * | |
1610 | * N/A | |
1611 | * | |
1612 | ******************************************************************************/ | |
1613 | void wl_wds_netif_start_queue( struct wl_private *lp ) | |
1614 | { | |
1615 | int count; | |
1616 | /*------------------------------------------------------------------------*/ | |
1617 | ||
1618 | if( lp != NULL ) { | |
1619 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1620 | if( lp->wds_port[count].is_registered && | |
1621 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1622 | netif_start_queue( lp->wds_port[count].dev ); | |
1623 | lp->wds_port[count].netif_queue_on = TRUE; | |
1624 | } | |
1625 | } | |
1626 | } | |
68c0bdff HG |
1627 | } // wl_wds_netif_start_queue |
1628 | /*============================================================================*/ | |
1629 | ||
1630 | /******************************************************************************* | |
1631 | * wl_wds_netif_stop_queue() | |
1632 | ******************************************************************************* | |
1633 | * | |
1634 | * DESCRIPTION: | |
1635 | * | |
1636 | * Used to stop the netif queues of all the "virtual" network devices | |
86f9150c | 1637 | * which represent the WDS ports. |
68c0bdff HG |
1638 | * |
1639 | * PARAMETERS: | |
1640 | * | |
1641 | * lp - a pointer to the device's private adapter structure | |
1642 | * | |
1643 | * RETURNS: | |
1644 | * | |
1645 | * N/A | |
1646 | * | |
1647 | ******************************************************************************/ | |
1648 | void wl_wds_netif_stop_queue( struct wl_private *lp ) | |
1649 | { | |
1650 | int count; | |
1651 | /*------------------------------------------------------------------------*/ | |
1652 | ||
1653 | if( lp != NULL ) { | |
1654 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1655 | if( lp->wds_port[count].is_registered && | |
1656 | lp->wds_port[count].netif_queue_on == TRUE ) { | |
1657 | netif_stop_queue( lp->wds_port[count].dev ); | |
1658 | lp->wds_port[count].netif_queue_on = FALSE; | |
1659 | } | |
1660 | } | |
1661 | } | |
68c0bdff HG |
1662 | } // wl_wds_netif_stop_queue |
1663 | /*============================================================================*/ | |
1664 | ||
1665 | /******************************************************************************* | |
1666 | * wl_wds_netif_wake_queue() | |
1667 | ******************************************************************************* | |
1668 | * | |
1669 | * DESCRIPTION: | |
1670 | * | |
1671 | * Used to wake the netif queues of all the "virtual" network devices | |
86f9150c | 1672 | * which represent the WDS ports. |
68c0bdff HG |
1673 | * |
1674 | * PARAMETERS: | |
1675 | * | |
1676 | * lp - a pointer to the device's private adapter structure | |
1677 | * | |
1678 | * RETURNS: | |
1679 | * | |
1680 | * N/A | |
1681 | * | |
1682 | ******************************************************************************/ | |
1683 | void wl_wds_netif_wake_queue( struct wl_private *lp ) | |
1684 | { | |
1685 | int count; | |
1686 | /*------------------------------------------------------------------------*/ | |
1687 | ||
1688 | if( lp != NULL ) { | |
1689 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1690 | if( lp->wds_port[count].is_registered && | |
1691 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1692 | netif_wake_queue( lp->wds_port[count].dev ); | |
1693 | lp->wds_port[count].netif_queue_on = TRUE; | |
1694 | } | |
1695 | } | |
1696 | } | |
68c0bdff HG |
1697 | } // wl_wds_netif_wake_queue |
1698 | /*============================================================================*/ | |
1699 | ||
1700 | /******************************************************************************* | |
1701 | * wl_wds_netif_carrier_on() | |
1702 | ******************************************************************************* | |
1703 | * | |
1704 | * DESCRIPTION: | |
1705 | * | |
1706 | * Used to signal the network layer that carrier is present on all of the | |
86f9150c | 1707 | * "virtual" network devices which represent the WDS ports. |
68c0bdff HG |
1708 | * |
1709 | * PARAMETERS: | |
1710 | * | |
1711 | * lp - a pointer to the device's private adapter structure | |
1712 | * | |
1713 | * RETURNS: | |
1714 | * | |
1715 | * N/A | |
1716 | * | |
1717 | ******************************************************************************/ | |
1718 | void wl_wds_netif_carrier_on( struct wl_private *lp ) | |
1719 | { | |
1720 | int count; | |
1721 | /*------------------------------------------------------------------------*/ | |
1722 | ||
1723 | if( lp != NULL ) { | |
1724 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1725 | if( lp->wds_port[count].is_registered ) { | |
1726 | netif_carrier_on( lp->wds_port[count].dev ); | |
1727 | } | |
1728 | } | |
1729 | } | |
68c0bdff HG |
1730 | } // wl_wds_netif_carrier_on |
1731 | /*============================================================================*/ | |
1732 | ||
1733 | /******************************************************************************* | |
1734 | * wl_wds_netif_carrier_off() | |
1735 | ******************************************************************************* | |
1736 | * | |
1737 | * DESCRIPTION: | |
1738 | * | |
1739 | * Used to signal the network layer that carrier is NOT present on all of | |
86f9150c | 1740 | * the "virtual" network devices which represent the WDS ports. |
68c0bdff HG |
1741 | * |
1742 | * PARAMETERS: | |
1743 | * | |
1744 | * lp - a pointer to the device's private adapter structure | |
1745 | * | |
1746 | * RETURNS: | |
1747 | * | |
1748 | * N/A | |
1749 | * | |
1750 | ******************************************************************************/ | |
1751 | void wl_wds_netif_carrier_off( struct wl_private *lp ) | |
1752 | { | |
a350d1fd | 1753 | int count; |
68c0bdff | 1754 | |
e4d653f3 DN |
1755 | if(lp != NULL) { |
1756 | for(count = 0; count < NUM_WDS_PORTS; count++) { | |
1757 | if(lp->wds_port[count].is_registered) | |
1758 | netif_carrier_off(lp->wds_port[count].dev); | |
a350d1fd DN |
1759 | } |
1760 | } | |
68c0bdff | 1761 | |
68c0bdff HG |
1762 | } // wl_wds_netif_carrier_off |
1763 | /*============================================================================*/ | |
1764 | ||
1765 | #endif /* USE_WDS */ | |
1766 | ||
1767 | #ifdef ENABLE_DMA | |
1768 | /******************************************************************************* | |
1769 | * wl_send_dma() | |
1770 | ******************************************************************************* | |
1771 | * | |
1772 | * DESCRIPTION: | |
1773 | * | |
1774 | * The routine which performs data transmits when using busmaster DMA. | |
1775 | * | |
1776 | * PARAMETERS: | |
1777 | * | |
1778 | * lp - a pointer to the device's wl_private struct. | |
1779 | * skb - a pointer to the network layer's data buffer. | |
1780 | * port - the Hermes port on which to transmit. | |
1781 | * | |
1782 | * RETURNS: | |
1783 | * | |
1784 | * 0 on success | |
1785 | * 1 on error | |
1786 | * | |
1787 | ******************************************************************************/ | |
1788 | int wl_send_dma( struct wl_private *lp, struct sk_buff *skb, int port ) | |
1789 | { | |
1790 | int len; | |
1791 | DESC_STRCT *desc = NULL; | |
1792 | DESC_STRCT *desc_next = NULL; | |
1793 | /*------------------------------------------------------------------------*/ | |
1794 | ||
1795 | DBG_FUNC( "wl_send_dma" ); | |
1796 | ||
3cf7c7aa | 1797 | if( lp == NULL ) { |
68c0bdff HG |
1798 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); |
1799 | return FALSE; | |
1800 | } | |
1801 | ||
3cf7c7aa | 1802 | if( lp->dev == NULL ) { |
68c0bdff HG |
1803 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); |
1804 | return FALSE; | |
1805 | } | |
1806 | ||
1807 | /* AGAIN, ALL THE QUEUEING DONE HERE IN I/O MODE IS NOT PERFORMED */ | |
1808 | ||
3cf7c7aa | 1809 | if( skb == NULL ) { |
68c0bdff HG |
1810 | DBG_WARNING (DbgInfo, "Nothing to send.\n"); |
1811 | return FALSE; | |
1812 | } | |
1813 | ||
1814 | len = skb->len; | |
1815 | ||
1816 | /* Get a free descriptor */ | |
1817 | desc = wl_pci_dma_get_tx_packet( lp ); | |
1818 | ||
3cf7c7aa | 1819 | if( desc == NULL ) { |
68c0bdff HG |
1820 | if( lp->netif_queue_on == TRUE ) { |
1821 | netif_stop_queue( lp->dev ); | |
1822 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
1823 | lp->netif_queue_on = FALSE; | |
1824 | ||
1825 | dev_kfree_skb( skb ); | |
1826 | return 0; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | SET_BUF_CNT( desc, /*HCF_DMA_FD_CNT*/HFS_ADDR_DEST ); | |
1831 | SET_BUF_SIZE( desc, HCF_DMA_TX_BUF1_SIZE ); | |
1832 | ||
1833 | desc_next = desc->next_desc_addr; | |
1834 | ||
3cf7c7aa | 1835 | if( desc_next->buf_addr == NULL ) { |
68c0bdff HG |
1836 | DBG_ERROR( DbgInfo, "DMA descriptor buf_addr is NULL\n" ); |
1837 | return FALSE; | |
1838 | } | |
1839 | ||
1840 | /* Copy the payload into the DMA packet */ | |
1841 | memcpy( desc_next->buf_addr, skb->data, len ); | |
1842 | ||
1843 | SET_BUF_CNT( desc_next, len ); | |
1844 | SET_BUF_SIZE( desc_next, HCF_MAX_PACKET_SIZE ); | |
1845 | ||
1846 | hcf_dma_tx_put( &( lp->hcfCtx ), desc, 0 ); | |
1847 | ||
1848 | /* Free the skb and perform queue cleanup, as the buffer was | |
1849 | transmitted successfully */ | |
1850 | dev_kfree_skb( skb ); | |
1851 | ||
1852 | return TRUE; | |
1853 | } // wl_send_dma | |
1854 | /*============================================================================*/ | |
1855 | ||
1856 | /******************************************************************************* | |
1857 | * wl_rx_dma() | |
1858 | ******************************************************************************* | |
1859 | * | |
1860 | * DESCRIPTION: | |
1861 | * | |
1862 | * The routine which performs data reception when using busmaster DMA. | |
1863 | * | |
1864 | * PARAMETERS: | |
1865 | * | |
1866 | * dev - a pointer to the device's net_device structure. | |
1867 | * | |
1868 | * RETURNS: | |
1869 | * | |
1870 | * 0 on success | |
1871 | * 1 on error | |
1872 | * | |
1873 | ******************************************************************************/ | |
1874 | int wl_rx_dma( struct net_device *dev ) | |
1875 | { | |
1876 | int port; | |
1877 | hcf_16 pktlen; | |
1878 | hcf_16 hfs_stat; | |
1879 | struct sk_buff *skb; | |
1880 | struct wl_private *lp = NULL; | |
1881 | DESC_STRCT *desc, *desc_next; | |
1882 | //CFG_MB_INFO_RANGE2_STRCT x; | |
1883 | /*------------------------------------------------------------------------*/ | |
1884 | ||
1885 | DBG_FUNC("wl_rx") | |
1886 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
1887 | ||
c755a828 KV |
1888 | if((( lp = dev->priv ) != NULL ) && |
1889 | !( lp->flags & WVLAN2_UIL_BUSY )) { | |
68c0bdff HG |
1890 | |
1891 | #ifdef USE_RTS | |
1892 | if( lp->useRTS == 1 ) { | |
1893 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
1894 | return -EIO; | |
1895 | } | |
1896 | #endif /* USE_RTS */ | |
1897 | ||
1898 | //if( lp->dma.status == 0 ) | |
1899 | //{ | |
1900 | desc = hcf_dma_rx_get( &( lp->hcfCtx )); | |
1901 | ||
1902 | if( desc != NULL ) | |
1903 | { | |
1904 | /* Check and see if we rcvd. a WMP frame */ | |
1905 | /* | |
1906 | if((( *(hcf_8 *)&desc->buf_addr[HFS_STAT] ) & | |
1907 | ( HFS_STAT_MSG_TYPE | HFS_STAT_ERR )) == HFS_STAT_WMP_MSG ) | |
1908 | { | |
1909 | DBG_TRACE( DbgInfo, "Got a WMP frame\n" ); | |
1910 | ||
1911 | x.len = sizeof( CFG_MB_INFO_RANGE2_STRCT ) / sizeof( hcf_16 ); | |
1912 | x.typ = CFG_MB_INFO; | |
1913 | x.base_typ = CFG_WMP; | |
1914 | x.frag_cnt = 2; | |
1915 | x.frag_buf[0].frag_len = GET_BUF_CNT( descp ) / sizeof( hcf_16 ); | |
1916 | x.frag_buf[0].frag_addr = (hcf_8 *) descp->buf_addr ; | |
1917 | x.frag_buf[1].frag_len = ( GET_BUF_CNT( descp->next_desc_addr ) + 1 ) / sizeof( hcf_16 ); | |
1918 | x.frag_buf[1].frag_addr = (hcf_8 *) descp->next_desc_addr->buf_addr ; | |
1919 | ||
1920 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&x ); | |
1921 | } | |
1922 | */ | |
1923 | ||
1924 | desc_next = desc->next_desc_addr; | |
1925 | ||
1926 | /* Make sure the buffer isn't empty */ | |
1927 | if( GET_BUF_CNT( desc ) == 0 ) { | |
1928 | DBG_WARNING( DbgInfo, "Buffer is empty!\n" ); | |
1929 | ||
1930 | /* Give the descriptor back to the HCF */ | |
1931 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1932 | return -EIO; | |
1933 | } | |
1934 | ||
1935 | /* Read the HFS_STAT register from the lookahead buffer */ | |
1936 | hfs_stat = (hcf_16)( desc->buf_addr[HFS_STAT/2] ); | |
1937 | ||
1938 | /* Make sure the frame isn't bad */ | |
1939 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) | |
1940 | { | |
1941 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
1942 | desc->buf_addr[HFS_STAT/2] ); | |
1943 | ||
1944 | /* Give the descriptor back to the HCF */ | |
1945 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1946 | return -EIO; | |
1947 | } | |
1948 | ||
1949 | /* Determine what port this packet is for */ | |
1950 | port = ( hfs_stat >> 8 ) & 0x0007; | |
1951 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
1952 | ||
491dbc8d JP |
1953 | pktlen = GET_BUF_CNT(desc_next); |
1954 | if (pktlen != 0) { | |
1955 | skb = ALLOC_SKB(pktlen); | |
1956 | if (skb != NULL) { | |
68c0bdff HG |
1957 | switch( port ) { |
1958 | #ifdef USE_WDS | |
1959 | case 1: | |
1960 | case 2: | |
1961 | case 3: | |
1962 | case 4: | |
1963 | case 5: | |
1964 | case 6: | |
1965 | skb->dev = lp->wds_port[port-1].dev; | |
1966 | break; | |
1967 | #endif /* USE_WDS */ | |
1968 | ||
1969 | case 0: | |
1970 | default: | |
1971 | skb->dev = dev; | |
1972 | break; | |
1973 | } | |
1974 | ||
1975 | GET_PACKET_DMA( skb->dev, skb, pktlen ); | |
1976 | ||
1977 | /* Give the descriptor back to the HCF */ | |
1978 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1979 | ||
1980 | netif_rx( skb ); | |
1981 | ||
1982 | if( port == 0 ) { | |
1983 | lp->stats.rx_packets++; | |
1984 | lp->stats.rx_bytes += pktlen; | |
1985 | } | |
1986 | #ifdef USE_WDS | |
1987 | else | |
1988 | { | |
1989 | lp->wds_port[port-1].stats.rx_packets++; | |
1990 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
1991 | } | |
1992 | #endif /* USE_WDS */ | |
1993 | ||
1994 | dev->last_rx = jiffies; | |
1995 | ||
1996 | } else { | |
1997 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
1998 | ||
1999 | if( port == 0 ) | |
2000 | { | |
2001 | lp->stats.rx_dropped++; | |
2002 | } | |
2003 | #ifdef USE_WDS | |
2004 | else | |
2005 | { | |
2006 | lp->wds_port[port-1].stats.rx_dropped++; | |
2007 | } | |
2008 | #endif /* USE_WDS */ | |
2009 | } | |
2010 | } | |
2011 | } | |
2012 | //} | |
2013 | } | |
2014 | ||
2015 | return 0; | |
2016 | } // wl_rx_dma | |
2017 | /*============================================================================*/ | |
2018 | #endif // ENABLE_DMA |