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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> | |
82 | // #include <asm/system.h> | |
83 | // #include <asm/bitops.h> | |
84 | ||
85 | #include <linux/netdevice.h> | |
86 | #include <linux/ethtool.h> | |
87 | #include <linux/etherdevice.h> | |
88 | // #include <linux/skbuff.h> | |
89 | // #include <linux/if_arp.h> | |
90 | // #include <linux/ioport.h> | |
91 | ||
92 | #include <debug.h> | |
93 | ||
94 | #include <hcf.h> | |
95 | #include <dhf.h> | |
96 | // #include <hcfdef.h> | |
97 | ||
98 | #include <wl_if.h> | |
99 | #include <wl_internal.h> | |
100 | #include <wl_util.h> | |
101 | #include <wl_priv.h> | |
102 | #include <wl_main.h> | |
103 | #include <wl_netdev.h> | |
104 | #include <wl_wext.h> | |
105 | ||
106 | #ifdef USE_PROFILE | |
107 | #include <wl_profile.h> | |
108 | #endif /* USE_PROFILE */ | |
109 | ||
110 | #ifdef BUS_PCMCIA | |
111 | #include <wl_cs.h> | |
112 | #endif /* BUS_PCMCIA */ | |
113 | ||
114 | #ifdef BUS_PCI | |
115 | #include <wl_pci.h> | |
116 | #endif /* BUS_PCI */ | |
117 | ||
118 | ||
119 | /******************************************************************************* | |
120 | * global variables | |
121 | ******************************************************************************/ | |
122 | #if DBG | |
123 | extern dbg_info_t *DbgInfo; | |
124 | #endif /* DBG */ | |
125 | ||
126 | ||
127 | #if HCF_ENCAP | |
128 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN - 8) | |
129 | #else | |
130 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN) | |
131 | #endif | |
132 | ||
133 | //static int mtu = MTU_MAX; | |
134 | //MODULE_PARM(mtu, "i"); | |
135 | //MODULE_PARM_DESC(mtu, "MTU"); | |
136 | ||
137 | /******************************************************************************* | |
138 | * macros | |
139 | ******************************************************************************/ | |
140 | #define BLOCK_INPUT(buf, len) \ | |
141 | desc->buf_addr = buf; \ | |
142 | desc->BUF_SIZE = len; \ | |
143 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
144 | ||
145 | #define BLOCK_INPUT_DMA(buf, len) memcpy( buf, desc_next->buf_addr, pktlen ) | |
146 | ||
147 | /******************************************************************************* | |
148 | * function prototypes | |
149 | ******************************************************************************/ | |
150 | ||
151 | /******************************************************************************* | |
152 | * wl_init() | |
153 | ******************************************************************************* | |
154 | * | |
155 | * DESCRIPTION: | |
156 | * | |
157 | * We never need to do anything when a "Wireless" device is "initialized" | |
158 | * by the net software, because we only register already-found cards. | |
159 | * | |
160 | * PARAMETERS: | |
161 | * | |
162 | * dev - a pointer to the device's net_device structure | |
163 | * | |
164 | * RETURNS: | |
165 | * | |
166 | * 0 on success | |
167 | * errno value otherwise | |
168 | * | |
169 | ******************************************************************************/ | |
170 | int wl_init( struct net_device *dev ) | |
171 | { | |
172 | // unsigned long flags; | |
173 | // struct wl_private *lp = wl_priv(dev); | |
174 | /*------------------------------------------------------------------------*/ | |
175 | ||
176 | DBG_FUNC( "wl_init" ); | |
177 | DBG_ENTER( DbgInfo ); | |
178 | ||
179 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
180 | ||
181 | /* Nothing to do, but grab the spinlock anyway just in case we ever need | |
182 | this routine */ | |
183 | // wl_lock( lp, &flags ); | |
184 | // wl_unlock( lp, &flags ); | |
185 | ||
186 | DBG_LEAVE( DbgInfo ); | |
187 | return 0; | |
188 | } // wl_init | |
189 | /*============================================================================*/ | |
190 | ||
191 | /******************************************************************************* | |
192 | * wl_config() | |
193 | ******************************************************************************* | |
194 | * | |
195 | * DESCRIPTION: | |
196 | * | |
197 | * Implement the SIOCSIFMAP interface. | |
198 | * | |
199 | * PARAMETERS: | |
200 | * | |
201 | * dev - a pointer to the device's net_device structure | |
202 | * map - a pointer to the device's ifmap structure | |
203 | * | |
204 | * RETURNS: | |
205 | * | |
206 | * 0 on success | |
207 | * errno otherwise | |
208 | * | |
209 | ******************************************************************************/ | |
210 | int wl_config( struct net_device *dev, struct ifmap *map ) | |
211 | { | |
212 | DBG_FUNC( "wl_config" ); | |
213 | DBG_ENTER( DbgInfo ); | |
214 | ||
215 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
216 | DBG_PARAM( DbgInfo, "map", "0x%p", map ); | |
217 | ||
218 | /* The only thing we care about here is a port change. Since this not needed, | |
219 | ignore the request. */ | |
8bf90539 | 220 | DBG_TRACE(DbgInfo, "%s: %s called.\n", dev->name, __func__); |
68c0bdff HG |
221 | |
222 | DBG_LEAVE( DbgInfo ); | |
223 | return 0; | |
224 | } // wl_config | |
225 | /*============================================================================*/ | |
226 | ||
227 | /******************************************************************************* | |
228 | * wl_stats() | |
229 | ******************************************************************************* | |
230 | * | |
231 | * DESCRIPTION: | |
232 | * | |
233 | * Return the current device statistics. | |
234 | * | |
235 | * PARAMETERS: | |
236 | * | |
237 | * dev - a pointer to the device's net_device structure | |
238 | * | |
239 | * RETURNS: | |
240 | * | |
241 | * a pointer to a net_device_stats structure containing the network | |
242 | * statistics. | |
243 | * | |
244 | ******************************************************************************/ | |
245 | struct net_device_stats *wl_stats( struct net_device *dev ) | |
246 | { | |
247 | #ifdef USE_WDS | |
248 | int count; | |
249 | #endif /* USE_WDS */ | |
250 | unsigned long flags; | |
251 | struct net_device_stats *pStats; | |
252 | struct wl_private *lp = wl_priv(dev); | |
253 | /*------------------------------------------------------------------------*/ | |
254 | ||
255 | //DBG_FUNC( "wl_stats" ); | |
256 | //DBG_ENTER( DbgInfo ); | |
257 | //DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
258 | ||
259 | pStats = NULL; | |
260 | ||
261 | wl_lock( lp, &flags ); | |
262 | ||
263 | #ifdef USE_RTS | |
264 | if( lp->useRTS == 1 ) { | |
265 | wl_unlock( lp, &flags ); | |
266 | ||
267 | //DBG_LEAVE( DbgInfo ); | |
268 | return NULL; | |
269 | } | |
270 | #endif /* USE_RTS */ | |
271 | ||
272 | /* Return the statistics for the appropriate device */ | |
273 | #ifdef USE_WDS | |
274 | ||
275 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
276 | if( dev == lp->wds_port[count].dev ) { | |
277 | pStats = &( lp->wds_port[count].stats ); | |
278 | } | |
279 | } | |
280 | ||
281 | #endif /* USE_WDS */ | |
282 | ||
283 | /* If pStats is still NULL, then the device is not a WDS port */ | |
284 | if( pStats == NULL ) { | |
285 | pStats = &( lp->stats ); | |
286 | } | |
287 | ||
288 | wl_unlock( lp, &flags ); | |
289 | ||
290 | //DBG_LEAVE( DbgInfo ); | |
291 | ||
292 | return pStats; | |
293 | } // wl_stats | |
294 | /*============================================================================*/ | |
295 | ||
296 | /******************************************************************************* | |
297 | * wl_open() | |
298 | ******************************************************************************* | |
299 | * | |
300 | * DESCRIPTION: | |
301 | * | |
302 | * Open the device. | |
303 | * | |
304 | * PARAMETERS: | |
305 | * | |
306 | * dev - a pointer to the device's net_device structure | |
307 | * | |
308 | * RETURNS: | |
309 | * | |
310 | * 0 on success | |
311 | * errno otherwise | |
312 | * | |
313 | ******************************************************************************/ | |
314 | int wl_open(struct net_device *dev) | |
315 | { | |
316 | int status = HCF_SUCCESS; | |
317 | struct wl_private *lp = wl_priv(dev); | |
318 | unsigned long flags; | |
319 | /*------------------------------------------------------------------------*/ | |
320 | ||
321 | DBG_FUNC( "wl_open" ); | |
322 | DBG_ENTER( DbgInfo ); | |
323 | ||
324 | wl_lock( lp, &flags ); | |
325 | ||
326 | #ifdef USE_RTS | |
327 | if( lp->useRTS == 1 ) { | |
328 | DBG_TRACE( DbgInfo, "Skipping device open, in RTS mode\n" ); | |
329 | wl_unlock( lp, &flags ); | |
330 | DBG_LEAVE( DbgInfo ); | |
331 | return -EIO; | |
332 | } | |
333 | #endif /* USE_RTS */ | |
334 | ||
335 | #ifdef USE_PROFILE | |
336 | parse_config( dev ); | |
337 | #endif | |
338 | ||
339 | if( lp->portState == WVLAN_PORT_STATE_DISABLED ) { | |
340 | DBG_TRACE( DbgInfo, "Enabling Port 0\n" ); | |
341 | status = wl_enable( lp ); | |
342 | ||
343 | if( status != HCF_SUCCESS ) { | |
344 | DBG_TRACE( DbgInfo, "Enable port 0 failed: 0x%x\n", status ); | |
345 | } | |
346 | } | |
347 | ||
348 | // Holding the lock too long, make a gap to allow other processes | |
349 | wl_unlock(lp, &flags); | |
350 | wl_lock( lp, &flags ); | |
351 | ||
352 | if ( strlen( lp->fw_image_filename ) ) { | |
353 | DBG_TRACE( DbgInfo, ";???? Kludgy way to force a download\n" ); | |
354 | status = wl_go( lp ); | |
355 | } else { | |
356 | status = wl_apply( lp ); | |
357 | } | |
358 | ||
359 | // Holding the lock too long, make a gap to allow other processes | |
360 | wl_unlock(lp, &flags); | |
361 | wl_lock( lp, &flags ); | |
362 | ||
363 | if( status != HCF_SUCCESS ) { | |
2ed71d5a | 364 | // Unsuccessful, try reset of the card to recover |
68c0bdff HG |
365 | status = wl_reset( dev ); |
366 | } | |
367 | ||
368 | // Holding the lock too long, make a gap to allow other processes | |
369 | wl_unlock(lp, &flags); | |
370 | wl_lock( lp, &flags ); | |
371 | ||
372 | if( status == HCF_SUCCESS ) { | |
373 | netif_carrier_on( dev ); | |
374 | WL_WDS_NETIF_CARRIER_ON( lp ); | |
375 | ||
376 | lp->is_handling_int = WL_HANDLING_INT; // Start handling interrupts | |
377 | wl_act_int_on( lp ); | |
378 | ||
379 | netif_start_queue( dev ); | |
380 | WL_WDS_NETIF_START_QUEUE( lp ); | |
381 | } else { | |
382 | wl_hcf_error( dev, status ); /* Report the error */ | |
383 | netif_device_detach( dev ); /* Stop the device and queue */ | |
384 | } | |
385 | ||
386 | wl_unlock( lp, &flags ); | |
387 | ||
388 | DBG_LEAVE( DbgInfo ); | |
389 | return status; | |
390 | } // wl_open | |
391 | /*============================================================================*/ | |
392 | ||
393 | /******************************************************************************* | |
394 | * wl_close() | |
395 | ******************************************************************************* | |
396 | * | |
397 | * DESCRIPTION: | |
398 | * | |
399 | * Close the device. | |
400 | * | |
401 | * PARAMETERS: | |
402 | * | |
403 | * dev - a pointer to the device's net_device structure | |
404 | * | |
405 | * RETURNS: | |
406 | * | |
407 | * 0 on success | |
408 | * errno otherwise | |
409 | * | |
410 | ******************************************************************************/ | |
411 | int wl_close( struct net_device *dev ) | |
412 | { | |
413 | struct wl_private *lp = wl_priv(dev); | |
414 | unsigned long flags; | |
415 | /*------------------------------------------------------------------------*/ | |
416 | ||
417 | DBG_FUNC("wl_close"); | |
418 | DBG_ENTER(DbgInfo); | |
419 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
420 | ||
421 | /* Mark the adapter as busy */ | |
422 | netif_stop_queue( dev ); | |
423 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
424 | ||
425 | netif_carrier_off( dev ); | |
426 | WL_WDS_NETIF_CARRIER_OFF( lp ); | |
427 | ||
428 | /* Shutdown the adapter: | |
429 | Disable adapter interrupts | |
430 | Stop Tx/Rx | |
431 | Update statistics | |
432 | Set low power mode | |
433 | */ | |
434 | ||
435 | wl_lock( lp, &flags ); | |
436 | ||
437 | wl_act_int_off( lp ); | |
438 | lp->is_handling_int = WL_NOT_HANDLING_INT; // Stop handling interrupts | |
439 | ||
440 | #ifdef USE_RTS | |
441 | if( lp->useRTS == 1 ) { | |
442 | DBG_TRACE( DbgInfo, "Skipping device close, in RTS mode\n" ); | |
443 | wl_unlock( lp, &flags ); | |
444 | DBG_LEAVE( DbgInfo ); | |
445 | return -EIO; | |
446 | } | |
447 | #endif /* USE_RTS */ | |
448 | ||
449 | /* Disable the ports */ | |
450 | wl_disable( lp ); | |
451 | ||
452 | wl_unlock( lp, &flags ); | |
453 | ||
454 | DBG_LEAVE( DbgInfo ); | |
455 | return 0; | |
456 | } // wl_close | |
457 | /*============================================================================*/ | |
458 | ||
459 | static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
460 | { | |
461 | strncpy(info->driver, DRIVER_NAME, sizeof(info->driver) - 1); | |
462 | strncpy(info->version, DRV_VERSION_STR, sizeof(info->version) - 1); | |
463 | // strncpy(info.fw_version, priv->fw_name, | |
464 | // sizeof(info.fw_version) - 1); | |
465 | ||
68c0bdff HG |
466 | if (dev->dev.parent) { |
467 | dev_set_name(dev->dev.parent, "%s", info->bus_info); | |
468 | //strncpy(info->bus_info, dev->dev.parent->bus_id, | |
469 | // sizeof(info->bus_info) - 1); | |
68c0bdff HG |
470 | } else { |
471 | snprintf(info->bus_info, sizeof(info->bus_info) - 1, | |
472 | "PCMCIA FIXME"); | |
473 | // "PCMCIA 0x%lx", priv->hw.iobase); | |
474 | } | |
475 | } // wl_get_drvinfo | |
476 | ||
477 | static struct ethtool_ops wl_ethtool_ops = { | |
478 | .get_drvinfo = wl_get_drvinfo, | |
479 | .get_link = ethtool_op_get_link, | |
480 | }; | |
481 | ||
482 | ||
483 | /******************************************************************************* | |
484 | * wl_ioctl() | |
485 | ******************************************************************************* | |
486 | * | |
487 | * DESCRIPTION: | |
488 | * | |
489 | * The IOCTL handler for the device. | |
490 | * | |
491 | * PARAMETERS: | |
492 | * | |
493 | * dev - a pointer to the device's net_device struct. | |
494 | * rq - a pointer to the IOCTL request buffer. | |
495 | * cmd - the IOCTL command code. | |
496 | * | |
497 | * RETURNS: | |
498 | * | |
499 | * 0 on success | |
500 | * errno value otherwise | |
501 | * | |
502 | ******************************************************************************/ | |
503 | int wl_ioctl( struct net_device *dev, struct ifreq *rq, int cmd ) | |
504 | { | |
505 | struct wl_private *lp = wl_priv(dev); | |
506 | unsigned long flags; | |
507 | int ret = 0; | |
508 | /*------------------------------------------------------------------------*/ | |
509 | ||
510 | DBG_FUNC( "wl_ioctl" ); | |
511 | DBG_ENTER(DbgInfo); | |
512 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
513 | DBG_PARAM(DbgInfo, "rq", "0x%p", rq); | |
514 | DBG_PARAM(DbgInfo, "cmd", "0x%04x", cmd); | |
515 | ||
516 | wl_lock( lp, &flags ); | |
517 | ||
518 | wl_act_int_off( lp ); | |
519 | ||
520 | #ifdef USE_RTS | |
521 | if( lp->useRTS == 1 ) { | |
522 | /* Handle any RTS IOCTL here */ | |
523 | if( cmd == WL_IOCTL_RTS ) { | |
524 | DBG_TRACE( DbgInfo, "IOCTL: WL_IOCTL_RTS\n" ); | |
525 | ret = wvlan_rts( (struct rtsreq *)rq, dev->base_addr ); | |
526 | } else { | |
527 | DBG_TRACE( DbgInfo, "IOCTL not supported in RTS mode: 0x%X\n", cmd ); | |
528 | ret = -EOPNOTSUPP; | |
529 | } | |
530 | ||
531 | goto out_act_int_on_unlock; | |
532 | } | |
533 | #endif /* USE_RTS */ | |
534 | ||
535 | /* Only handle UIL IOCTL requests when the UIL has the system blocked. */ | |
536 | if( !(( lp->flags & WVLAN2_UIL_BUSY ) && ( cmd != WVLAN2_IOCTL_UIL ))) { | |
537 | #ifdef USE_UIL | |
538 | struct uilreq *urq = (struct uilreq *)rq; | |
539 | #endif /* USE_UIL */ | |
540 | ||
541 | switch( cmd ) { | |
542 | // ================== Private IOCTLs (up to 16) ================== | |
543 | #ifdef USE_UIL | |
544 | case WVLAN2_IOCTL_UIL: | |
545 | DBG_TRACE( DbgInfo, "IOCTL: WVLAN2_IOCTL_UIL\n" ); | |
546 | ret = wvlan_uil( urq, lp ); | |
547 | break; | |
548 | #endif /* USE_UIL */ | |
549 | ||
550 | default: | |
551 | DBG_TRACE(DbgInfo, "IOCTL CODE NOT SUPPORTED: 0x%X\n", cmd ); | |
552 | ret = -EOPNOTSUPP; | |
553 | break; | |
554 | } | |
555 | } else { | |
556 | DBG_WARNING( DbgInfo, "DEVICE IS BUSY, CANNOT PROCESS REQUEST\n" ); | |
557 | ret = -EBUSY; | |
558 | } | |
559 | ||
560 | #ifdef USE_RTS | |
561 | out_act_int_on_unlock: | |
562 | #endif /* USE_RTS */ | |
563 | wl_act_int_on( lp ); | |
564 | ||
565 | wl_unlock( lp, &flags ); | |
566 | ||
567 | DBG_LEAVE( DbgInfo ); | |
568 | return ret; | |
569 | } // wl_ioctl | |
570 | /*============================================================================*/ | |
571 | ||
572 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
573 | void wl_poll(struct net_device *dev) | |
574 | { | |
575 | struct wl_private *lp = wl_priv(dev); | |
576 | unsigned long flags; | |
577 | struct pt_regs regs; | |
578 | ||
579 | wl_lock( lp, &flags ); | |
580 | wl_isr(dev->irq, dev, ®s); | |
581 | wl_unlock( lp, &flags ); | |
582 | } | |
583 | #endif | |
584 | ||
585 | /******************************************************************************* | |
586 | * wl_tx_timeout() | |
587 | ******************************************************************************* | |
588 | * | |
589 | * DESCRIPTION: | |
590 | * | |
591 | * The handler called when, for some reason, a Tx request is not completed. | |
592 | * | |
593 | * PARAMETERS: | |
594 | * | |
595 | * dev - a pointer to the device's net_device struct. | |
596 | * | |
597 | * RETURNS: | |
598 | * | |
599 | * N/A | |
600 | * | |
601 | ******************************************************************************/ | |
602 | void wl_tx_timeout( struct net_device *dev ) | |
603 | { | |
604 | #ifdef USE_WDS | |
605 | int count; | |
606 | #endif /* USE_WDS */ | |
607 | unsigned long flags; | |
608 | struct wl_private *lp = wl_priv(dev); | |
609 | struct net_device_stats *pStats = NULL; | |
610 | /*------------------------------------------------------------------------*/ | |
611 | ||
612 | DBG_FUNC( "wl_tx_timeout" ); | |
613 | DBG_ENTER( DbgInfo ); | |
614 | ||
615 | DBG_WARNING( DbgInfo, "%s: Transmit timeout.\n", dev->name ); | |
616 | ||
617 | wl_lock( lp, &flags ); | |
618 | ||
619 | #ifdef USE_RTS | |
620 | if( lp->useRTS == 1 ) { | |
621 | DBG_TRACE( DbgInfo, "Skipping tx_timeout handler, in RTS mode\n" ); | |
622 | wl_unlock( lp, &flags ); | |
623 | ||
624 | DBG_LEAVE( DbgInfo ); | |
625 | return; | |
626 | } | |
627 | #endif /* USE_RTS */ | |
628 | ||
629 | /* Figure out which device (the "root" device or WDS port) this timeout | |
630 | is for */ | |
631 | #ifdef USE_WDS | |
632 | ||
633 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
634 | if( dev == lp->wds_port[count].dev ) { | |
635 | pStats = &( lp->wds_port[count].stats ); | |
636 | ||
637 | /* Break the loop so that we can use the counter to access WDS | |
638 | information in the private structure */ | |
639 | break; | |
640 | } | |
641 | } | |
642 | ||
643 | #endif /* USE_WDS */ | |
644 | ||
645 | /* If pStats is still NULL, then the device is not a WDS port */ | |
646 | if( pStats == NULL ) { | |
647 | pStats = &( lp->stats ); | |
648 | } | |
649 | ||
650 | /* Accumulate the timeout error */ | |
651 | pStats->tx_errors++; | |
652 | ||
653 | wl_unlock( lp, &flags ); | |
654 | ||
655 | DBG_LEAVE( DbgInfo ); | |
656 | return; | |
657 | } // wl_tx_timeout | |
658 | /*============================================================================*/ | |
659 | ||
660 | /******************************************************************************* | |
661 | * wl_send() | |
662 | ******************************************************************************* | |
663 | * | |
664 | * DESCRIPTION: | |
665 | * | |
666 | * The routine which performs data transmits. | |
667 | * | |
668 | * PARAMETERS: | |
669 | * | |
670 | * lp - a pointer to the device's wl_private struct. | |
671 | * | |
672 | * RETURNS: | |
673 | * | |
674 | * 0 on success | |
675 | * 1 on error | |
676 | * | |
677 | ******************************************************************************/ | |
678 | int wl_send( struct wl_private *lp ) | |
679 | { | |
680 | ||
681 | int status; | |
682 | DESC_STRCT *desc; | |
683 | WVLAN_LFRAME *txF = NULL; | |
684 | struct list_head *element; | |
685 | int len; | |
686 | /*------------------------------------------------------------------------*/ | |
687 | ||
688 | DBG_FUNC( "wl_send" ); | |
689 | ||
690 | if( lp == NULL ) { | |
691 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); | |
692 | return FALSE; | |
693 | } | |
694 | if( lp->dev == NULL ) { | |
695 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); | |
696 | return FALSE; | |
697 | } | |
698 | ||
699 | /* Check for the availability of FIDs; if none are available, don't take any | |
700 | frames off the txQ */ | |
701 | if( lp->hcfCtx.IFB_RscInd == 0 ) { | |
702 | return FALSE; | |
703 | } | |
704 | ||
705 | /* Reclaim the TxQ Elements and place them back on the free queue */ | |
706 | if( !list_empty( &( lp->txQ[0] ))) { | |
707 | element = lp->txQ[0].next; | |
708 | ||
709 | txF = (WVLAN_LFRAME * )list_entry( element, WVLAN_LFRAME, node ); | |
710 | if( txF != NULL ) { | |
711 | lp->txF.skb = txF->frame.skb; | |
712 | lp->txF.port = txF->frame.port; | |
713 | ||
714 | txF->frame.skb = NULL; | |
715 | txF->frame.port = 0; | |
716 | ||
717 | list_del( &( txF->node )); | |
718 | list_add( element, &( lp->txFree )); | |
719 | ||
720 | lp->txQ_count--; | |
721 | ||
722 | if( lp->txQ_count < TX_Q_LOW_WATER_MARK ) { | |
723 | if( lp->netif_queue_on == FALSE ) { | |
724 | DBG_TX( DbgInfo, "Kickstarting Q: %d\n", lp->txQ_count ); | |
725 | netif_wake_queue( lp->dev ); | |
726 | WL_WDS_NETIF_WAKE_QUEUE( lp ); | |
727 | lp->netif_queue_on = TRUE; | |
728 | } | |
729 | } | |
730 | } | |
731 | } | |
732 | ||
733 | if( lp->txF.skb == NULL ) { | |
734 | return FALSE; | |
735 | } | |
736 | ||
737 | /* If the device has resources (FIDs) available, then Tx the packet */ | |
738 | /* Format the TxRequest and send it to the adapter */ | |
739 | len = lp->txF.skb->len < ETH_ZLEN ? ETH_ZLEN : lp->txF.skb->len; | |
740 | ||
741 | desc = &( lp->desc_tx ); | |
742 | desc->buf_addr = lp->txF.skb->data; | |
743 | desc->BUF_CNT = len; | |
744 | desc->next_desc_addr = NULL; | |
745 | ||
746 | status = hcf_send_msg( &( lp->hcfCtx ), desc, lp->txF.port ); | |
747 | ||
748 | if( status == HCF_SUCCESS ) { | |
749 | lp->dev->trans_start = jiffies; | |
750 | ||
751 | DBG_TX( DbgInfo, "Transmit...\n" ); | |
752 | ||
753 | if( lp->txF.port == HCF_PORT_0 ) { | |
754 | lp->stats.tx_packets++; | |
755 | lp->stats.tx_bytes += lp->txF.skb->len; | |
756 | } | |
757 | ||
758 | #ifdef USE_WDS | |
759 | else | |
760 | { | |
761 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_packets++; | |
762 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_bytes += lp->txF.skb->len; | |
763 | } | |
764 | ||
765 | #endif /* USE_WDS */ | |
766 | ||
767 | /* Free the skb and perform queue cleanup, as the buffer was | |
768 | transmitted successfully */ | |
769 | dev_kfree_skb( lp->txF.skb ); | |
770 | ||
771 | lp->txF.skb = NULL; | |
772 | lp->txF.port = 0; | |
773 | } | |
774 | ||
775 | return TRUE; | |
776 | } // wl_send | |
777 | /*============================================================================*/ | |
778 | ||
779 | /******************************************************************************* | |
780 | * wl_tx() | |
781 | ******************************************************************************* | |
782 | * | |
783 | * DESCRIPTION: | |
784 | * | |
785 | * The Tx handler function for the network layer. | |
786 | * | |
787 | * PARAMETERS: | |
788 | * | |
789 | * skb - a pointer to the sk_buff structure containing the data to transfer. | |
790 | * dev - a pointer to the device's net_device structure. | |
791 | * | |
792 | * RETURNS: | |
793 | * | |
794 | * 0 on success | |
795 | * 1 on error | |
796 | * | |
797 | ******************************************************************************/ | |
798 | int wl_tx( struct sk_buff *skb, struct net_device *dev, int port ) | |
799 | { | |
800 | unsigned long flags; | |
801 | struct wl_private *lp = wl_priv(dev); | |
802 | WVLAN_LFRAME *txF = NULL; | |
803 | struct list_head *element; | |
804 | /*------------------------------------------------------------------------*/ | |
805 | ||
806 | DBG_FUNC( "wl_tx" ); | |
807 | ||
808 | /* Grab the spinlock */ | |
809 | wl_lock( lp, &flags ); | |
810 | ||
811 | if( lp->flags & WVLAN2_UIL_BUSY ) { | |
812 | DBG_WARNING( DbgInfo, "UIL has device blocked\n" ); | |
813 | /* Start dropping packets here??? */ | |
814 | wl_unlock( lp, &flags ); | |
815 | return 1; | |
816 | } | |
817 | ||
818 | #ifdef USE_RTS | |
819 | if( lp->useRTS == 1 ) { | |
820 | DBG_PRINT( "RTS: we're getting a Tx...\n" ); | |
821 | wl_unlock( lp, &flags ); | |
822 | return 1; | |
823 | } | |
824 | #endif /* USE_RTS */ | |
825 | ||
826 | if( !lp->use_dma ) { | |
827 | /* Get an element from the queue */ | |
828 | element = lp->txFree.next; | |
829 | txF = (WVLAN_LFRAME *)list_entry( element, WVLAN_LFRAME, node ); | |
830 | if( txF == NULL ) { | |
831 | DBG_ERROR( DbgInfo, "Problem with list_entry\n" ); | |
832 | wl_unlock( lp, &flags ); | |
833 | return 1; | |
834 | } | |
835 | /* Fill out the frame */ | |
836 | txF->frame.skb = skb; | |
837 | txF->frame.port = port; | |
838 | /* Move the frame to the txQ */ | |
839 | /* NOTE: Here's where we would do priority queueing */ | |
840 | list_del( &( txF->node )); | |
841 | list_add( &( txF->node ), &( lp->txQ[0] )); | |
842 | ||
843 | lp->txQ_count++; | |
844 | if( lp->txQ_count >= DEFAULT_NUM_TX_FRAMES ) { | |
845 | DBG_TX( DbgInfo, "Q Full: %d\n", lp->txQ_count ); | |
846 | if( lp->netif_queue_on == TRUE ) { | |
847 | netif_stop_queue( lp->dev ); | |
848 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
849 | lp->netif_queue_on = FALSE; | |
850 | } | |
851 | } | |
852 | } | |
853 | wl_act_int_off( lp ); /* Disable Interrupts */ | |
854 | ||
855 | /* Send the data to the hardware using the appropriate method */ | |
856 | #ifdef ENABLE_DMA | |
857 | if( lp->use_dma ) { | |
858 | wl_send_dma( lp, skb, port ); | |
859 | } | |
860 | else | |
861 | #endif | |
862 | { | |
863 | wl_send( lp ); | |
864 | } | |
865 | /* Re-enable Interrupts, release the spinlock and return */ | |
866 | wl_act_int_on( lp ); | |
867 | wl_unlock( lp, &flags ); | |
868 | return 0; | |
869 | } // wl_tx | |
870 | /*============================================================================*/ | |
871 | ||
872 | /******************************************************************************* | |
873 | * wl_rx() | |
874 | ******************************************************************************* | |
875 | * | |
876 | * DESCRIPTION: | |
877 | * | |
878 | * The routine which performs data reception. | |
879 | * | |
880 | * PARAMETERS: | |
881 | * | |
882 | * dev - a pointer to the device's net_device structure. | |
883 | * | |
884 | * RETURNS: | |
885 | * | |
886 | * 0 on success | |
887 | * 1 on error | |
888 | * | |
889 | ******************************************************************************/ | |
890 | int wl_rx(struct net_device *dev) | |
891 | { | |
892 | int port; | |
893 | struct sk_buff *skb; | |
894 | struct wl_private *lp = wl_priv(dev); | |
895 | int status; | |
896 | hcf_16 pktlen; | |
897 | hcf_16 hfs_stat; | |
898 | DESC_STRCT *desc; | |
899 | /*------------------------------------------------------------------------*/ | |
900 | ||
901 | DBG_FUNC("wl_rx") | |
902 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
903 | ||
904 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
905 | ||
906 | #ifdef USE_RTS | |
907 | if( lp->useRTS == 1 ) { | |
908 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
909 | return -EIO; | |
910 | } | |
911 | #endif /* USE_RTS */ | |
912 | ||
913 | /* Read the HFS_STAT register from the lookahead buffer */ | |
914 | hfs_stat = (hcf_16)(( lp->lookAheadBuf[HFS_STAT] ) | | |
915 | ( lp->lookAheadBuf[HFS_STAT + 1] << 8 )); | |
916 | ||
917 | /* Make sure the frame isn't bad */ | |
918 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) { | |
919 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
920 | lp->lookAheadBuf[HFS_STAT] ); | |
921 | return -EIO; | |
922 | } | |
923 | ||
924 | /* Determine what port this packet is for */ | |
925 | port = ( hfs_stat >> 8 ) & 0x0007; | |
926 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
927 | ||
491dbc8d JP |
928 | pktlen = lp->hcfCtx.IFB_RxLen; |
929 | if (pktlen != 0) { | |
930 | skb = ALLOC_SKB(pktlen); | |
931 | if (skb != NULL) { | |
68c0bdff HG |
932 | /* Set the netdev based on the port */ |
933 | switch( port ) { | |
934 | #ifdef USE_WDS | |
935 | case 1: | |
936 | case 2: | |
937 | case 3: | |
938 | case 4: | |
939 | case 5: | |
940 | case 6: | |
941 | skb->dev = lp->wds_port[port-1].dev; | |
942 | break; | |
943 | #endif /* USE_WDS */ | |
944 | ||
945 | case 0: | |
946 | default: | |
947 | skb->dev = dev; | |
948 | break; | |
949 | } | |
950 | ||
951 | desc = &( lp->desc_rx ); | |
952 | ||
953 | desc->next_desc_addr = NULL; | |
954 | ||
955 | /* | |
956 | #define BLOCK_INPUT(buf, len) \ | |
957 | desc->buf_addr = buf; \ | |
958 | desc->BUF_SIZE = len; \ | |
959 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
960 | */ | |
961 | ||
962 | GET_PACKET( skb->dev, skb, pktlen ); | |
963 | ||
964 | if( status == HCF_SUCCESS ) { | |
965 | netif_rx( skb ); | |
966 | ||
967 | if( port == 0 ) { | |
968 | lp->stats.rx_packets++; | |
969 | lp->stats.rx_bytes += pktlen; | |
970 | } | |
971 | #ifdef USE_WDS | |
972 | else | |
973 | { | |
974 | lp->wds_port[port-1].stats.rx_packets++; | |
975 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
976 | } | |
977 | #endif /* USE_WDS */ | |
978 | ||
979 | dev->last_rx = jiffies; | |
980 | ||
981 | #ifdef WIRELESS_EXT | |
982 | #ifdef WIRELESS_SPY | |
983 | if( lp->spydata.spy_number > 0 ) { | |
984 | char *srcaddr = skb->mac.raw + MAC_ADDR_SIZE; | |
985 | ||
986 | wl_spy_gather( dev, srcaddr ); | |
987 | } | |
988 | #endif /* WIRELESS_SPY */ | |
989 | #endif /* WIRELESS_EXT */ | |
990 | } else { | |
991 | DBG_ERROR( DbgInfo, "Rx request to card FAILED\n" ); | |
992 | ||
993 | if( port == 0 ) { | |
994 | lp->stats.rx_dropped++; | |
995 | } | |
996 | #ifdef USE_WDS | |
997 | else | |
998 | { | |
999 | lp->wds_port[port-1].stats.rx_dropped++; | |
1000 | } | |
1001 | #endif /* USE_WDS */ | |
1002 | ||
1003 | dev_kfree_skb( skb ); | |
1004 | } | |
1005 | } else { | |
1006 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
1007 | ||
1008 | if( port == 0 ) { | |
1009 | lp->stats.rx_dropped++; | |
1010 | } | |
1011 | #ifdef USE_WDS | |
1012 | else | |
1013 | { | |
1014 | lp->wds_port[port-1].stats.rx_dropped++; | |
1015 | } | |
1016 | #endif /* USE_WDS */ | |
1017 | } | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | return 0; | |
1022 | } // wl_rx | |
1023 | /*============================================================================*/ | |
1024 | ||
1025 | /******************************************************************************* | |
1026 | * wl_multicast() | |
1027 | ******************************************************************************* | |
1028 | * | |
1029 | * DESCRIPTION: | |
1030 | * | |
1031 | * Function to handle multicast packets | |
1032 | * | |
1033 | * PARAMETERS: | |
1034 | * | |
1035 | * dev - a pointer to the device's net_device structure. | |
1036 | * | |
1037 | * RETURNS: | |
1038 | * | |
1039 | * N/A | |
1040 | * | |
1041 | ******************************************************************************/ | |
1042 | #ifdef NEW_MULTICAST | |
1043 | ||
1044 | void wl_multicast( struct net_device *dev ) | |
1045 | { | |
1046 | #if 1 //;? (HCF_TYPE) & HCF_TYPE_STA //;?should we return an error status in AP mode | |
1047 | //;?seems reasonable that even an AP-only driver could afford this small additional footprint | |
1048 | ||
1049 | int x; | |
22bedad3 | 1050 | struct netdev_hw_addr *ha; |
68c0bdff HG |
1051 | struct wl_private *lp = wl_priv(dev); |
1052 | unsigned long flags; | |
1053 | /*------------------------------------------------------------------------*/ | |
1054 | ||
1055 | DBG_FUNC( "wl_multicast" ); | |
1056 | DBG_ENTER( DbgInfo ); | |
1057 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
1058 | ||
1059 | if( !wl_adapter_is_open( dev )) { | |
1060 | DBG_LEAVE( DbgInfo ); | |
1061 | return; | |
1062 | } | |
1063 | ||
1064 | #if DBG | |
1065 | if( DBG_FLAGS( DbgInfo ) & DBG_PARAM_ON ) { | |
1066 | DBG_PRINT(" flags: %s%s%s\n", | |
1067 | ( dev->flags & IFF_PROMISC ) ? "Promiscous " : "", | |
1068 | ( dev->flags & IFF_MULTICAST ) ? "Multicast " : "", | |
1069 | ( dev->flags & IFF_ALLMULTI ) ? "All-Multicast" : "" ); | |
1070 | ||
4cd24eaf | 1071 | DBG_PRINT( " mc_count: %d\n", netdev_mc_count(dev)); |
68c0bdff | 1072 | |
22bedad3 | 1073 | netdev_for_each_mc_addr(ha, dev) |
2b6d83d6 | 1074 | DBG_PRINT(" %pM (%d)\n", ha->addr, dev->addr_len); |
68c0bdff HG |
1075 | } |
1076 | #endif /* DBG */ | |
1077 | ||
1078 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
1079 | ||
1080 | #ifdef USE_RTS | |
1081 | if( lp->useRTS == 1 ) { | |
1082 | DBG_TRACE( DbgInfo, "Skipping multicast, in RTS mode\n" ); | |
1083 | ||
1084 | DBG_LEAVE( DbgInfo ); | |
1085 | return; | |
1086 | } | |
1087 | #endif /* USE_RTS */ | |
1088 | ||
1089 | wl_lock( lp, &flags ); | |
1090 | wl_act_int_off( lp ); | |
1091 | ||
1092 | if ( CNV_INT_TO_LITTLE( lp->hcfCtx.IFB_FWIdentity.comp_id ) == COMP_ID_FW_STA ) { | |
1093 | if( dev->flags & IFF_PROMISC ) { | |
1094 | /* Enable promiscuous mode */ | |
1095 | lp->ltvRecord.len = 2; | |
1096 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1097 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1098 | DBG_PRINT( "Enabling Promiscuous mode (IFF_PROMISC)\n" ); | |
1099 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1100 | } | |
4cd24eaf | 1101 | else if ((netdev_mc_count(dev) > HCF_MAX_MULTICAST) || |
68c0bdff HG |
1102 | ( dev->flags & IFF_ALLMULTI )) { |
1103 | /* Shutting off this filter will enable all multicast frames to | |
1104 | be sent up from the device; however, this is a static RID, so | |
1105 | a call to wl_apply() is needed */ | |
1106 | lp->ltvRecord.len = 2; | |
1107 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1108 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1109 | DBG_PRINT( "Enabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1110 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1111 | wl_apply( lp ); | |
1112 | } | |
4cd24eaf | 1113 | else if (!netdev_mc_empty(dev)) { |
68c0bdff | 1114 | /* Set the multicast addresses */ |
4cd24eaf | 1115 | lp->ltvRecord.len = ( netdev_mc_count(dev) * 3 ) + 1; |
68c0bdff HG |
1116 | lp->ltvRecord.typ = CFG_GROUP_ADDR; |
1117 | ||
d5907942 | 1118 | x = 0; |
22bedad3 | 1119 | netdev_for_each_mc_addr(ha, dev) |
d5907942 | 1120 | memcpy(&(lp->ltvRecord.u.u8[x++ * ETH_ALEN]), |
22bedad3 | 1121 | ha->addr, ETH_ALEN); |
68c0bdff HG |
1122 | DBG_PRINT( "Setting multicast list\n" ); |
1123 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1124 | } else { | |
1125 | /* Disable promiscuous mode */ | |
1126 | lp->ltvRecord.len = 2; | |
1127 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1128 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1129 | DBG_PRINT( "Disabling Promiscuous mode\n" ); | |
1130 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1131 | ||
1132 | /* Disable multicast mode */ | |
1133 | lp->ltvRecord.len = 2; | |
1134 | lp->ltvRecord.typ = CFG_GROUP_ADDR; | |
1135 | DBG_PRINT( "Disabling Multicast mode\n" ); | |
1136 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1137 | ||
1138 | /* Turning on this filter will prevent all multicast frames from | |
1139 | being sent up from the device; however, this is a static RID, | |
1140 | so a call to wl_apply() is needed */ | |
1141 | lp->ltvRecord.len = 2; | |
1142 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1143 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1144 | DBG_PRINT( "Disabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1145 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1146 | wl_apply( lp ); | |
1147 | } | |
1148 | } | |
1149 | wl_act_int_on( lp ); | |
1150 | wl_unlock( lp, &flags ); | |
1151 | } | |
1152 | DBG_LEAVE( DbgInfo ); | |
1153 | #endif /* HCF_STA */ | |
1154 | } // wl_multicast | |
1155 | /*============================================================================*/ | |
1156 | ||
1157 | #else /* NEW_MULTICAST */ | |
1158 | ||
1159 | void wl_multicast( struct net_device *dev, int num_addrs, void *addrs ) | |
1160 | { | |
1161 | DBG_FUNC( "wl_multicast"); | |
1162 | DBG_ENTER(DbgInfo); | |
1163 | ||
1164 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
1165 | DBG_PARAM( DbgInfo, "num_addrs", "%d", num_addrs ); | |
1166 | DBG_PARAM( DbgInfo, "addrs", "0x%p", addrs ); | |
1167 | ||
1168 | #error Obsolete set multicast interface! | |
1169 | ||
1170 | DBG_LEAVE( DbgInfo ); | |
1171 | } // wl_multicast | |
1172 | /*============================================================================*/ | |
1173 | ||
1174 | #endif /* NEW_MULTICAST */ | |
1175 | ||
68c0bdff HG |
1176 | static const struct net_device_ops wl_netdev_ops = |
1177 | { | |
1178 | .ndo_start_xmit = &wl_tx_port0, | |
1179 | ||
1180 | .ndo_set_config = &wl_config, | |
1181 | .ndo_get_stats = &wl_stats, | |
afc4b13d | 1182 | .ndo_set_rx_mode = &wl_multicast, |
68c0bdff HG |
1183 | |
1184 | .ndo_init = &wl_insert, | |
1185 | .ndo_open = &wl_adapter_open, | |
1186 | .ndo_stop = &wl_adapter_close, | |
1187 | .ndo_do_ioctl = &wl_ioctl, | |
1188 | ||
68c0bdff | 1189 | .ndo_tx_timeout = &wl_tx_timeout, |
68c0bdff HG |
1190 | |
1191 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1192 | .ndo_poll_controller = wl_poll, | |
1193 | #endif | |
1194 | }; | |
68c0bdff HG |
1195 | |
1196 | /******************************************************************************* | |
1197 | * wl_device_alloc() | |
1198 | ******************************************************************************* | |
1199 | * | |
1200 | * DESCRIPTION: | |
1201 | * | |
1202 | * Create instances of net_device and wl_private for the new adapter | |
1203 | * and register the device's entry points in the net_device structure. | |
1204 | * | |
1205 | * PARAMETERS: | |
1206 | * | |
1207 | * N/A | |
1208 | * | |
1209 | * RETURNS: | |
1210 | * | |
1211 | * a pointer to an allocated and initialized net_device struct for this | |
1212 | * device. | |
1213 | * | |
1214 | ******************************************************************************/ | |
1215 | struct net_device * wl_device_alloc( void ) | |
1216 | { | |
1217 | struct net_device *dev = NULL; | |
1218 | struct wl_private *lp = NULL; | |
1219 | /*------------------------------------------------------------------------*/ | |
1220 | ||
1221 | DBG_FUNC( "wl_device_alloc" ); | |
1222 | DBG_ENTER( DbgInfo ); | |
1223 | ||
1224 | /* Alloc a net_device struct */ | |
1225 | dev = alloc_etherdev(sizeof(struct wl_private)); | |
1226 | if (!dev) | |
1227 | return NULL; | |
1228 | ||
1229 | /* Initialize the 'next' pointer in the struct. Currently only used for PCI, | |
1230 | but do it here just in case it's used for other buses in the future */ | |
1231 | lp = wl_priv(dev); | |
1232 | ||
1233 | ||
1234 | /* Check MTU */ | |
1235 | if( dev->mtu > MTU_MAX ) | |
1236 | { | |
1237 | DBG_WARNING( DbgInfo, "%s: MTU set too high, limiting to %d.\n", | |
1238 | dev->name, MTU_MAX ); | |
1239 | dev->mtu = MTU_MAX; | |
1240 | } | |
1241 | ||
1242 | /* Setup the function table in the device structure. */ | |
1243 | ||
1244 | dev->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def; | |
1245 | lp->wireless_data.spy_data = &lp->spy_data; | |
1246 | dev->wireless_data = &lp->wireless_data; | |
1247 | ||
68c0bdff | 1248 | dev->netdev_ops = &wl_netdev_ops; |
68c0bdff | 1249 | |
68c0bdff | 1250 | dev->watchdog_timeo = TX_TIMEOUT; |
68c0bdff HG |
1251 | |
1252 | dev->ethtool_ops = &wl_ethtool_ops; | |
1253 | ||
1254 | netif_stop_queue( dev ); | |
1255 | ||
1256 | /* Allocate virutal devices for WDS support if needed */ | |
1257 | WL_WDS_DEVICE_ALLOC( lp ); | |
1258 | ||
1259 | DBG_LEAVE( DbgInfo ); | |
1260 | return dev; | |
1261 | } // wl_device_alloc | |
1262 | /*============================================================================*/ | |
1263 | ||
1264 | /******************************************************************************* | |
1265 | * wl_device_dealloc() | |
1266 | ******************************************************************************* | |
1267 | * | |
1268 | * DESCRIPTION: | |
1269 | * | |
1270 | * Free instances of net_device and wl_private strcutres for an adapter | |
1271 | * and perform basic cleanup. | |
1272 | * | |
1273 | * PARAMETERS: | |
1274 | * | |
1275 | * dev - a pointer to the device's net_device structure. | |
1276 | * | |
1277 | * RETURNS: | |
1278 | * | |
1279 | * N/A | |
1280 | * | |
1281 | ******************************************************************************/ | |
1282 | void wl_device_dealloc( struct net_device *dev ) | |
1283 | { | |
1284 | // struct wl_private *lp = wl_priv(dev); | |
1285 | /*------------------------------------------------------------------------*/ | |
1286 | ||
1287 | DBG_FUNC( "wl_device_dealloc" ); | |
1288 | DBG_ENTER( DbgInfo ); | |
1289 | ||
1290 | /* Dealloc the WDS ports */ | |
1291 | WL_WDS_DEVICE_DEALLOC( lp ); | |
1292 | ||
1293 | free_netdev( dev ); | |
1294 | ||
1295 | DBG_LEAVE( DbgInfo ); | |
1296 | return; | |
1297 | } // wl_device_dealloc | |
1298 | /*============================================================================*/ | |
1299 | ||
1300 | /******************************************************************************* | |
1301 | * wl_tx_port0() | |
1302 | ******************************************************************************* | |
1303 | * | |
1304 | * DESCRIPTION: | |
1305 | * | |
1306 | * The handler routine for Tx over HCF_PORT_0. | |
1307 | * | |
1308 | * PARAMETERS: | |
1309 | * | |
1310 | * skb - a pointer to the sk_buff to transmit. | |
1311 | * dev - a pointer to a net_device structure representing HCF_PORT_0. | |
1312 | * | |
1313 | * RETURNS: | |
1314 | * | |
1315 | * N/A | |
1316 | * | |
1317 | ******************************************************************************/ | |
1318 | int wl_tx_port0( struct sk_buff *skb, struct net_device *dev ) | |
1319 | { | |
1320 | DBG_TX( DbgInfo, "Tx on Port 0\n" ); | |
1321 | ||
1322 | return wl_tx( skb, dev, HCF_PORT_0 ); | |
1323 | #ifdef ENABLE_DMA | |
1324 | return wl_tx_dma( skb, dev, HCF_PORT_0 ); | |
1325 | #endif | |
1326 | } // wl_tx_port0 | |
1327 | /*============================================================================*/ | |
1328 | ||
1329 | #ifdef USE_WDS | |
1330 | ||
1331 | /******************************************************************************* | |
1332 | * wl_tx_port1() | |
1333 | ******************************************************************************* | |
1334 | * | |
1335 | * DESCRIPTION: | |
1336 | * | |
1337 | * The handler routine for Tx over HCF_PORT_1. | |
1338 | * | |
1339 | * PARAMETERS: | |
1340 | * | |
1341 | * skb - a pointer to the sk_buff to transmit. | |
1342 | * dev - a pointer to a net_device structure representing HCF_PORT_1. | |
1343 | * | |
1344 | * RETURNS: | |
1345 | * | |
1346 | * N/A | |
1347 | * | |
1348 | ******************************************************************************/ | |
1349 | int wl_tx_port1( struct sk_buff *skb, struct net_device *dev ) | |
1350 | { | |
1351 | DBG_TX( DbgInfo, "Tx on Port 1\n" ); | |
1352 | return wl_tx( skb, dev, HCF_PORT_1 ); | |
1353 | } // wl_tx_port1 | |
1354 | /*============================================================================*/ | |
1355 | ||
1356 | /******************************************************************************* | |
1357 | * wl_tx_port2() | |
1358 | ******************************************************************************* | |
1359 | * | |
1360 | * DESCRIPTION: | |
1361 | * | |
1362 | * The handler routine for Tx over HCF_PORT_2. | |
1363 | * | |
1364 | * PARAMETERS: | |
1365 | * | |
1366 | * skb - a pointer to the sk_buff to transmit. | |
1367 | * dev - a pointer to a net_device structure representing HCF_PORT_2. | |
1368 | * | |
1369 | * RETURNS: | |
1370 | * | |
1371 | * N/A | |
1372 | * | |
1373 | ******************************************************************************/ | |
1374 | int wl_tx_port2( struct sk_buff *skb, struct net_device *dev ) | |
1375 | { | |
1376 | DBG_TX( DbgInfo, "Tx on Port 2\n" ); | |
1377 | return wl_tx( skb, dev, HCF_PORT_2 ); | |
1378 | } // wl_tx_port2 | |
1379 | /*============================================================================*/ | |
1380 | ||
1381 | /******************************************************************************* | |
1382 | * wl_tx_port3() | |
1383 | ******************************************************************************* | |
1384 | * | |
1385 | * DESCRIPTION: | |
1386 | * | |
1387 | * The handler routine for Tx over HCF_PORT_3. | |
1388 | * | |
1389 | * PARAMETERS: | |
1390 | * | |
1391 | * skb - a pointer to the sk_buff to transmit. | |
1392 | * dev - a pointer to a net_device structure representing HCF_PORT_3. | |
1393 | * | |
1394 | * RETURNS: | |
1395 | * | |
1396 | * N/A | |
1397 | * | |
1398 | ******************************************************************************/ | |
1399 | int wl_tx_port3( struct sk_buff *skb, struct net_device *dev ) | |
1400 | { | |
1401 | DBG_TX( DbgInfo, "Tx on Port 3\n" ); | |
1402 | return wl_tx( skb, dev, HCF_PORT_3 ); | |
1403 | } // wl_tx_port3 | |
1404 | /*============================================================================*/ | |
1405 | ||
1406 | /******************************************************************************* | |
1407 | * wl_tx_port4() | |
1408 | ******************************************************************************* | |
1409 | * | |
1410 | * DESCRIPTION: | |
1411 | * | |
1412 | * The handler routine for Tx over HCF_PORT_4. | |
1413 | * | |
1414 | * PARAMETERS: | |
1415 | * | |
1416 | * skb - a pointer to the sk_buff to transmit. | |
1417 | * dev - a pointer to a net_device structure representing HCF_PORT_4. | |
1418 | * | |
1419 | * RETURNS: | |
1420 | * | |
1421 | * N/A | |
1422 | * | |
1423 | ******************************************************************************/ | |
1424 | int wl_tx_port4( struct sk_buff *skb, struct net_device *dev ) | |
1425 | { | |
1426 | DBG_TX( DbgInfo, "Tx on Port 4\n" ); | |
1427 | return wl_tx( skb, dev, HCF_PORT_4 ); | |
1428 | } // wl_tx_port4 | |
1429 | /*============================================================================*/ | |
1430 | ||
1431 | /******************************************************************************* | |
1432 | * wl_tx_port5() | |
1433 | ******************************************************************************* | |
1434 | * | |
1435 | * DESCRIPTION: | |
1436 | * | |
1437 | * The handler routine for Tx over HCF_PORT_5. | |
1438 | * | |
1439 | * PARAMETERS: | |
1440 | * | |
1441 | * skb - a pointer to the sk_buff to transmit. | |
1442 | * dev - a pointer to a net_device structure representing HCF_PORT_5. | |
1443 | * | |
1444 | * RETURNS: | |
1445 | * | |
1446 | * N/A | |
1447 | * | |
1448 | ******************************************************************************/ | |
1449 | int wl_tx_port5( struct sk_buff *skb, struct net_device *dev ) | |
1450 | { | |
1451 | DBG_TX( DbgInfo, "Tx on Port 5\n" ); | |
1452 | return wl_tx( skb, dev, HCF_PORT_5 ); | |
1453 | } // wl_tx_port5 | |
1454 | /*============================================================================*/ | |
1455 | ||
1456 | /******************************************************************************* | |
1457 | * wl_tx_port6() | |
1458 | ******************************************************************************* | |
1459 | * | |
1460 | * DESCRIPTION: | |
1461 | * | |
1462 | * The handler routine for Tx over HCF_PORT_6. | |
1463 | * | |
1464 | * PARAMETERS: | |
1465 | * | |
1466 | * skb - a pointer to the sk_buff to transmit. | |
1467 | * dev - a pointer to a net_device structure representing HCF_PORT_6. | |
1468 | * | |
1469 | * RETURNS: | |
1470 | * | |
1471 | * N/A | |
1472 | * | |
1473 | ******************************************************************************/ | |
1474 | int wl_tx_port6( struct sk_buff *skb, struct net_device *dev ) | |
1475 | { | |
1476 | DBG_TX( DbgInfo, "Tx on Port 6\n" ); | |
1477 | return wl_tx( skb, dev, HCF_PORT_6 ); | |
1478 | } // wl_tx_port6 | |
1479 | /*============================================================================*/ | |
1480 | ||
1481 | /******************************************************************************* | |
1482 | * wl_wds_device_alloc() | |
1483 | ******************************************************************************* | |
1484 | * | |
1485 | * DESCRIPTION: | |
1486 | * | |
1487 | * Create instances of net_device to represent the WDS ports, and register | |
1488 | * the device's entry points in the net_device structure. | |
1489 | * | |
1490 | * PARAMETERS: | |
1491 | * | |
1492 | * lp - a pointer to the device's private adapter structure | |
1493 | * | |
1494 | * RETURNS: | |
1495 | * | |
1496 | * N/A, but will place pointers to the allocated and initialized net_device | |
1497 | * structs in the private adapter structure. | |
1498 | * | |
1499 | ******************************************************************************/ | |
1500 | void wl_wds_device_alloc( struct wl_private *lp ) | |
1501 | { | |
1502 | int count; | |
1503 | /*------------------------------------------------------------------------*/ | |
1504 | ||
1505 | DBG_FUNC( "wl_wds_device_alloc" ); | |
1506 | DBG_ENTER( DbgInfo ); | |
1507 | ||
1508 | /* WDS support requires additional net_device structs to be allocated, | |
1509 | so that user space apps can use these virtual devices to specify the | |
1510 | port on which to Tx/Rx */ | |
1511 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1512 | struct net_device *dev_wds = NULL; | |
1513 | ||
1514 | dev_wds = kmalloc( sizeof( struct net_device ), GFP_KERNEL ); | |
1515 | memset( dev_wds, 0, sizeof( struct net_device )); | |
1516 | ||
1517 | ether_setup( dev_wds ); | |
1518 | ||
1519 | lp->wds_port[count].dev = dev_wds; | |
1520 | ||
1521 | /* Re-use wl_init for all the devices, as it currently does nothing, but | |
1522 | is required. Re-use the stats/tx_timeout handler for all as well; the | |
1523 | WDS port which is requesting these operations can be determined by | |
1524 | the net_device pointer. Set the private member of all devices to point | |
1525 | to the same net_device struct; that way, all information gets | |
1526 | funnelled through the one "real" net_device. Name the WDS ports | |
1527 | "wds<n>" */ | |
1528 | lp->wds_port[count].dev->init = &wl_init; | |
1529 | lp->wds_port[count].dev->get_stats = &wl_stats; | |
1530 | lp->wds_port[count].dev->tx_timeout = &wl_tx_timeout; | |
1531 | lp->wds_port[count].dev->watchdog_timeo = TX_TIMEOUT; | |
1532 | lp->wds_port[count].dev->priv = lp; | |
1533 | ||
1534 | sprintf( lp->wds_port[count].dev->name, "wds%d", count ); | |
1535 | } | |
1536 | ||
1537 | /* Register the Tx handlers */ | |
1538 | lp->wds_port[0].dev->hard_start_xmit = &wl_tx_port1; | |
1539 | lp->wds_port[1].dev->hard_start_xmit = &wl_tx_port2; | |
1540 | lp->wds_port[2].dev->hard_start_xmit = &wl_tx_port3; | |
1541 | lp->wds_port[3].dev->hard_start_xmit = &wl_tx_port4; | |
1542 | lp->wds_port[4].dev->hard_start_xmit = &wl_tx_port5; | |
1543 | lp->wds_port[5].dev->hard_start_xmit = &wl_tx_port6; | |
1544 | ||
1545 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
1546 | ||
1547 | DBG_LEAVE( DbgInfo ); | |
1548 | return; | |
1549 | } // wl_wds_device_alloc | |
1550 | /*============================================================================*/ | |
1551 | ||
1552 | /******************************************************************************* | |
1553 | * wl_wds_device_dealloc() | |
1554 | ******************************************************************************* | |
1555 | * | |
1556 | * DESCRIPTION: | |
1557 | * | |
1558 | * Free instances of net_device structures used to support WDS. | |
1559 | * | |
1560 | * PARAMETERS: | |
1561 | * | |
1562 | * lp - a pointer to the device's private adapter structure | |
1563 | * | |
1564 | * RETURNS: | |
1565 | * | |
1566 | * N/A | |
1567 | * | |
1568 | ******************************************************************************/ | |
1569 | void wl_wds_device_dealloc( struct wl_private *lp ) | |
1570 | { | |
1571 | int count; | |
1572 | /*------------------------------------------------------------------------*/ | |
1573 | ||
1574 | DBG_FUNC( "wl_wds_device_dealloc" ); | |
1575 | DBG_ENTER( DbgInfo ); | |
1576 | ||
1577 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1578 | struct net_device *dev_wds = NULL; | |
1579 | ||
1580 | dev_wds = lp->wds_port[count].dev; | |
1581 | ||
1582 | if( dev_wds != NULL ) { | |
1583 | if( dev_wds->flags & IFF_UP ) { | |
1584 | dev_close( dev_wds ); | |
1585 | dev_wds->flags &= ~( IFF_UP | IFF_RUNNING ); | |
1586 | } | |
1587 | ||
b37e0c61 | 1588 | free_netdev(dev_wds); |
68c0bdff HG |
1589 | lp->wds_port[count].dev = NULL; |
1590 | } | |
1591 | } | |
1592 | ||
1593 | DBG_LEAVE( DbgInfo ); | |
1594 | return; | |
1595 | } // wl_wds_device_dealloc | |
1596 | /*============================================================================*/ | |
1597 | ||
1598 | /******************************************************************************* | |
1599 | * wl_wds_netif_start_queue() | |
1600 | ******************************************************************************* | |
1601 | * | |
1602 | * DESCRIPTION: | |
1603 | * | |
1604 | * Used to start the netif queues of all the "virtual" network devices | |
1605 | * which repesent the WDS ports. | |
1606 | * | |
1607 | * PARAMETERS: | |
1608 | * | |
1609 | * lp - a pointer to the device's private adapter structure | |
1610 | * | |
1611 | * RETURNS: | |
1612 | * | |
1613 | * N/A | |
1614 | * | |
1615 | ******************************************************************************/ | |
1616 | void wl_wds_netif_start_queue( struct wl_private *lp ) | |
1617 | { | |
1618 | int count; | |
1619 | /*------------------------------------------------------------------------*/ | |
1620 | ||
1621 | if( lp != NULL ) { | |
1622 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1623 | if( lp->wds_port[count].is_registered && | |
1624 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1625 | netif_start_queue( lp->wds_port[count].dev ); | |
1626 | lp->wds_port[count].netif_queue_on = TRUE; | |
1627 | } | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | return; | |
1632 | } // wl_wds_netif_start_queue | |
1633 | /*============================================================================*/ | |
1634 | ||
1635 | /******************************************************************************* | |
1636 | * wl_wds_netif_stop_queue() | |
1637 | ******************************************************************************* | |
1638 | * | |
1639 | * DESCRIPTION: | |
1640 | * | |
1641 | * Used to stop the netif queues of all the "virtual" network devices | |
1642 | * which repesent the WDS ports. | |
1643 | * | |
1644 | * PARAMETERS: | |
1645 | * | |
1646 | * lp - a pointer to the device's private adapter structure | |
1647 | * | |
1648 | * RETURNS: | |
1649 | * | |
1650 | * N/A | |
1651 | * | |
1652 | ******************************************************************************/ | |
1653 | void wl_wds_netif_stop_queue( struct wl_private *lp ) | |
1654 | { | |
1655 | int count; | |
1656 | /*------------------------------------------------------------------------*/ | |
1657 | ||
1658 | if( lp != NULL ) { | |
1659 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1660 | if( lp->wds_port[count].is_registered && | |
1661 | lp->wds_port[count].netif_queue_on == TRUE ) { | |
1662 | netif_stop_queue( lp->wds_port[count].dev ); | |
1663 | lp->wds_port[count].netif_queue_on = FALSE; | |
1664 | } | |
1665 | } | |
1666 | } | |
1667 | ||
1668 | return; | |
1669 | } // wl_wds_netif_stop_queue | |
1670 | /*============================================================================*/ | |
1671 | ||
1672 | /******************************************************************************* | |
1673 | * wl_wds_netif_wake_queue() | |
1674 | ******************************************************************************* | |
1675 | * | |
1676 | * DESCRIPTION: | |
1677 | * | |
1678 | * Used to wake the netif queues of all the "virtual" network devices | |
1679 | * which repesent the WDS ports. | |
1680 | * | |
1681 | * PARAMETERS: | |
1682 | * | |
1683 | * lp - a pointer to the device's private adapter structure | |
1684 | * | |
1685 | * RETURNS: | |
1686 | * | |
1687 | * N/A | |
1688 | * | |
1689 | ******************************************************************************/ | |
1690 | void wl_wds_netif_wake_queue( struct wl_private *lp ) | |
1691 | { | |
1692 | int count; | |
1693 | /*------------------------------------------------------------------------*/ | |
1694 | ||
1695 | if( lp != NULL ) { | |
1696 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1697 | if( lp->wds_port[count].is_registered && | |
1698 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1699 | netif_wake_queue( lp->wds_port[count].dev ); | |
1700 | lp->wds_port[count].netif_queue_on = TRUE; | |
1701 | } | |
1702 | } | |
1703 | } | |
1704 | ||
1705 | return; | |
1706 | } // wl_wds_netif_wake_queue | |
1707 | /*============================================================================*/ | |
1708 | ||
1709 | /******************************************************************************* | |
1710 | * wl_wds_netif_carrier_on() | |
1711 | ******************************************************************************* | |
1712 | * | |
1713 | * DESCRIPTION: | |
1714 | * | |
1715 | * Used to signal the network layer that carrier is present on all of the | |
1716 | * "virtual" network devices which repesent the WDS ports. | |
1717 | * | |
1718 | * PARAMETERS: | |
1719 | * | |
1720 | * lp - a pointer to the device's private adapter structure | |
1721 | * | |
1722 | * RETURNS: | |
1723 | * | |
1724 | * N/A | |
1725 | * | |
1726 | ******************************************************************************/ | |
1727 | void wl_wds_netif_carrier_on( struct wl_private *lp ) | |
1728 | { | |
1729 | int count; | |
1730 | /*------------------------------------------------------------------------*/ | |
1731 | ||
1732 | if( lp != NULL ) { | |
1733 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1734 | if( lp->wds_port[count].is_registered ) { | |
1735 | netif_carrier_on( lp->wds_port[count].dev ); | |
1736 | } | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | return; | |
1741 | } // wl_wds_netif_carrier_on | |
1742 | /*============================================================================*/ | |
1743 | ||
1744 | /******************************************************************************* | |
1745 | * wl_wds_netif_carrier_off() | |
1746 | ******************************************************************************* | |
1747 | * | |
1748 | * DESCRIPTION: | |
1749 | * | |
1750 | * Used to signal the network layer that carrier is NOT present on all of | |
1751 | * the "virtual" network devices which repesent the WDS ports. | |
1752 | * | |
1753 | * PARAMETERS: | |
1754 | * | |
1755 | * lp - a pointer to the device's private adapter structure | |
1756 | * | |
1757 | * RETURNS: | |
1758 | * | |
1759 | * N/A | |
1760 | * | |
1761 | ******************************************************************************/ | |
1762 | void wl_wds_netif_carrier_off( struct wl_private *lp ) | |
1763 | { | |
1764 | int count; | |
1765 | /*------------------------------------------------------------------------*/ | |
1766 | ||
1767 | if( lp != NULL ) { | |
1768 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1769 | if( lp->wds_port[count].is_registered ) { | |
1770 | netif_carrier_off( lp->wds_port[count].dev ); | |
1771 | } | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | return; | |
1776 | } // wl_wds_netif_carrier_off | |
1777 | /*============================================================================*/ | |
1778 | ||
1779 | #endif /* USE_WDS */ | |
1780 | ||
1781 | #ifdef ENABLE_DMA | |
1782 | /******************************************************************************* | |
1783 | * wl_send_dma() | |
1784 | ******************************************************************************* | |
1785 | * | |
1786 | * DESCRIPTION: | |
1787 | * | |
1788 | * The routine which performs data transmits when using busmaster DMA. | |
1789 | * | |
1790 | * PARAMETERS: | |
1791 | * | |
1792 | * lp - a pointer to the device's wl_private struct. | |
1793 | * skb - a pointer to the network layer's data buffer. | |
1794 | * port - the Hermes port on which to transmit. | |
1795 | * | |
1796 | * RETURNS: | |
1797 | * | |
1798 | * 0 on success | |
1799 | * 1 on error | |
1800 | * | |
1801 | ******************************************************************************/ | |
1802 | int wl_send_dma( struct wl_private *lp, struct sk_buff *skb, int port ) | |
1803 | { | |
1804 | int len; | |
1805 | DESC_STRCT *desc = NULL; | |
1806 | DESC_STRCT *desc_next = NULL; | |
1807 | /*------------------------------------------------------------------------*/ | |
1808 | ||
1809 | DBG_FUNC( "wl_send_dma" ); | |
1810 | ||
1811 | if( lp == NULL ) | |
1812 | { | |
1813 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); | |
1814 | return FALSE; | |
1815 | } | |
1816 | ||
1817 | if( lp->dev == NULL ) | |
1818 | { | |
1819 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); | |
1820 | return FALSE; | |
1821 | } | |
1822 | ||
1823 | /* AGAIN, ALL THE QUEUEING DONE HERE IN I/O MODE IS NOT PERFORMED */ | |
1824 | ||
1825 | if( skb == NULL ) | |
1826 | { | |
1827 | DBG_WARNING (DbgInfo, "Nothing to send.\n"); | |
1828 | return FALSE; | |
1829 | } | |
1830 | ||
1831 | len = skb->len; | |
1832 | ||
1833 | /* Get a free descriptor */ | |
1834 | desc = wl_pci_dma_get_tx_packet( lp ); | |
1835 | ||
1836 | if( desc == NULL ) | |
1837 | { | |
1838 | if( lp->netif_queue_on == TRUE ) { | |
1839 | netif_stop_queue( lp->dev ); | |
1840 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
1841 | lp->netif_queue_on = FALSE; | |
1842 | ||
1843 | dev_kfree_skb( skb ); | |
1844 | return 0; | |
1845 | } | |
1846 | } | |
1847 | ||
1848 | SET_BUF_CNT( desc, /*HCF_DMA_FD_CNT*/HFS_ADDR_DEST ); | |
1849 | SET_BUF_SIZE( desc, HCF_DMA_TX_BUF1_SIZE ); | |
1850 | ||
1851 | desc_next = desc->next_desc_addr; | |
1852 | ||
1853 | if( desc_next->buf_addr == NULL ) | |
1854 | { | |
1855 | DBG_ERROR( DbgInfo, "DMA descriptor buf_addr is NULL\n" ); | |
1856 | return FALSE; | |
1857 | } | |
1858 | ||
1859 | /* Copy the payload into the DMA packet */ | |
1860 | memcpy( desc_next->buf_addr, skb->data, len ); | |
1861 | ||
1862 | SET_BUF_CNT( desc_next, len ); | |
1863 | SET_BUF_SIZE( desc_next, HCF_MAX_PACKET_SIZE ); | |
1864 | ||
1865 | hcf_dma_tx_put( &( lp->hcfCtx ), desc, 0 ); | |
1866 | ||
1867 | /* Free the skb and perform queue cleanup, as the buffer was | |
1868 | transmitted successfully */ | |
1869 | dev_kfree_skb( skb ); | |
1870 | ||
1871 | return TRUE; | |
1872 | } // wl_send_dma | |
1873 | /*============================================================================*/ | |
1874 | ||
1875 | /******************************************************************************* | |
1876 | * wl_rx_dma() | |
1877 | ******************************************************************************* | |
1878 | * | |
1879 | * DESCRIPTION: | |
1880 | * | |
1881 | * The routine which performs data reception when using busmaster DMA. | |
1882 | * | |
1883 | * PARAMETERS: | |
1884 | * | |
1885 | * dev - a pointer to the device's net_device structure. | |
1886 | * | |
1887 | * RETURNS: | |
1888 | * | |
1889 | * 0 on success | |
1890 | * 1 on error | |
1891 | * | |
1892 | ******************************************************************************/ | |
1893 | int wl_rx_dma( struct net_device *dev ) | |
1894 | { | |
1895 | int port; | |
1896 | hcf_16 pktlen; | |
1897 | hcf_16 hfs_stat; | |
1898 | struct sk_buff *skb; | |
1899 | struct wl_private *lp = NULL; | |
1900 | DESC_STRCT *desc, *desc_next; | |
1901 | //CFG_MB_INFO_RANGE2_STRCT x; | |
1902 | /*------------------------------------------------------------------------*/ | |
1903 | ||
1904 | DBG_FUNC("wl_rx") | |
1905 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); | |
1906 | ||
c755a828 KV |
1907 | if((( lp = dev->priv ) != NULL ) && |
1908 | !( lp->flags & WVLAN2_UIL_BUSY )) { | |
68c0bdff HG |
1909 | |
1910 | #ifdef USE_RTS | |
1911 | if( lp->useRTS == 1 ) { | |
1912 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
1913 | return -EIO; | |
1914 | } | |
1915 | #endif /* USE_RTS */ | |
1916 | ||
1917 | //if( lp->dma.status == 0 ) | |
1918 | //{ | |
1919 | desc = hcf_dma_rx_get( &( lp->hcfCtx )); | |
1920 | ||
1921 | if( desc != NULL ) | |
1922 | { | |
1923 | /* Check and see if we rcvd. a WMP frame */ | |
1924 | /* | |
1925 | if((( *(hcf_8 *)&desc->buf_addr[HFS_STAT] ) & | |
1926 | ( HFS_STAT_MSG_TYPE | HFS_STAT_ERR )) == HFS_STAT_WMP_MSG ) | |
1927 | { | |
1928 | DBG_TRACE( DbgInfo, "Got a WMP frame\n" ); | |
1929 | ||
1930 | x.len = sizeof( CFG_MB_INFO_RANGE2_STRCT ) / sizeof( hcf_16 ); | |
1931 | x.typ = CFG_MB_INFO; | |
1932 | x.base_typ = CFG_WMP; | |
1933 | x.frag_cnt = 2; | |
1934 | x.frag_buf[0].frag_len = GET_BUF_CNT( descp ) / sizeof( hcf_16 ); | |
1935 | x.frag_buf[0].frag_addr = (hcf_8 *) descp->buf_addr ; | |
1936 | x.frag_buf[1].frag_len = ( GET_BUF_CNT( descp->next_desc_addr ) + 1 ) / sizeof( hcf_16 ); | |
1937 | x.frag_buf[1].frag_addr = (hcf_8 *) descp->next_desc_addr->buf_addr ; | |
1938 | ||
1939 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&x ); | |
1940 | } | |
1941 | */ | |
1942 | ||
1943 | desc_next = desc->next_desc_addr; | |
1944 | ||
1945 | /* Make sure the buffer isn't empty */ | |
1946 | if( GET_BUF_CNT( desc ) == 0 ) { | |
1947 | DBG_WARNING( DbgInfo, "Buffer is empty!\n" ); | |
1948 | ||
1949 | /* Give the descriptor back to the HCF */ | |
1950 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1951 | return -EIO; | |
1952 | } | |
1953 | ||
1954 | /* Read the HFS_STAT register from the lookahead buffer */ | |
1955 | hfs_stat = (hcf_16)( desc->buf_addr[HFS_STAT/2] ); | |
1956 | ||
1957 | /* Make sure the frame isn't bad */ | |
1958 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) | |
1959 | { | |
1960 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
1961 | desc->buf_addr[HFS_STAT/2] ); | |
1962 | ||
1963 | /* Give the descriptor back to the HCF */ | |
1964 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1965 | return -EIO; | |
1966 | } | |
1967 | ||
1968 | /* Determine what port this packet is for */ | |
1969 | port = ( hfs_stat >> 8 ) & 0x0007; | |
1970 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
1971 | ||
491dbc8d JP |
1972 | pktlen = GET_BUF_CNT(desc_next); |
1973 | if (pktlen != 0) { | |
1974 | skb = ALLOC_SKB(pktlen); | |
1975 | if (skb != NULL) { | |
68c0bdff HG |
1976 | switch( port ) { |
1977 | #ifdef USE_WDS | |
1978 | case 1: | |
1979 | case 2: | |
1980 | case 3: | |
1981 | case 4: | |
1982 | case 5: | |
1983 | case 6: | |
1984 | skb->dev = lp->wds_port[port-1].dev; | |
1985 | break; | |
1986 | #endif /* USE_WDS */ | |
1987 | ||
1988 | case 0: | |
1989 | default: | |
1990 | skb->dev = dev; | |
1991 | break; | |
1992 | } | |
1993 | ||
1994 | GET_PACKET_DMA( skb->dev, skb, pktlen ); | |
1995 | ||
1996 | /* Give the descriptor back to the HCF */ | |
1997 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1998 | ||
1999 | netif_rx( skb ); | |
2000 | ||
2001 | if( port == 0 ) { | |
2002 | lp->stats.rx_packets++; | |
2003 | lp->stats.rx_bytes += pktlen; | |
2004 | } | |
2005 | #ifdef USE_WDS | |
2006 | else | |
2007 | { | |
2008 | lp->wds_port[port-1].stats.rx_packets++; | |
2009 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
2010 | } | |
2011 | #endif /* USE_WDS */ | |
2012 | ||
2013 | dev->last_rx = jiffies; | |
2014 | ||
2015 | } else { | |
2016 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
2017 | ||
2018 | if( port == 0 ) | |
2019 | { | |
2020 | lp->stats.rx_dropped++; | |
2021 | } | |
2022 | #ifdef USE_WDS | |
2023 | else | |
2024 | { | |
2025 | lp->wds_port[port-1].stats.rx_dropped++; | |
2026 | } | |
2027 | #endif /* USE_WDS */ | |
2028 | } | |
2029 | } | |
2030 | } | |
2031 | //} | |
2032 | } | |
2033 | ||
2034 | return 0; | |
2035 | } // wl_rx_dma | |
2036 | /*============================================================================*/ | |
2037 | #endif // ENABLE_DMA |