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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 | ||
68c0bdff HG |
118 | #if HCF_ENCAP |
119 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN - 8) | |
120 | #else | |
121 | #define MTU_MAX (HCF_MAX_MSG - ETH_HLEN) | |
122 | #endif | |
123 | ||
124 | //static int mtu = MTU_MAX; | |
125 | //MODULE_PARM(mtu, "i"); | |
126 | //MODULE_PARM_DESC(mtu, "MTU"); | |
127 | ||
128 | /******************************************************************************* | |
129 | * macros | |
130 | ******************************************************************************/ | |
131 | #define BLOCK_INPUT(buf, len) \ | |
132 | desc->buf_addr = buf; \ | |
133 | desc->BUF_SIZE = len; \ | |
134 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
135 | ||
136 | #define BLOCK_INPUT_DMA(buf, len) memcpy( buf, desc_next->buf_addr, pktlen ) | |
137 | ||
138 | /******************************************************************************* | |
139 | * function prototypes | |
140 | ******************************************************************************/ | |
141 | ||
142 | /******************************************************************************* | |
143 | * wl_init() | |
144 | ******************************************************************************* | |
145 | * | |
146 | * DESCRIPTION: | |
147 | * | |
148 | * We never need to do anything when a "Wireless" device is "initialized" | |
149 | * by the net software, because we only register already-found cards. | |
150 | * | |
151 | * PARAMETERS: | |
152 | * | |
153 | * dev - a pointer to the device's net_device structure | |
154 | * | |
155 | * RETURNS: | |
156 | * | |
157 | * 0 on success | |
158 | * errno value otherwise | |
159 | * | |
160 | ******************************************************************************/ | |
161 | int wl_init( struct net_device *dev ) | |
162 | { | |
163 | // unsigned long flags; | |
164 | // struct wl_private *lp = wl_priv(dev); | |
68c0bdff HG |
165 | |
166 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); | |
167 | ||
168 | /* Nothing to do, but grab the spinlock anyway just in case we ever need | |
169 | this routine */ | |
170 | // wl_lock( lp, &flags ); | |
171 | // wl_unlock( lp, &flags ); | |
172 | ||
68c0bdff HG |
173 | return 0; |
174 | } // wl_init | |
175 | /*============================================================================*/ | |
176 | ||
177 | /******************************************************************************* | |
178 | * wl_config() | |
179 | ******************************************************************************* | |
180 | * | |
181 | * DESCRIPTION: | |
182 | * | |
183 | * Implement the SIOCSIFMAP interface. | |
184 | * | |
185 | * PARAMETERS: | |
186 | * | |
187 | * dev - a pointer to the device's net_device structure | |
188 | * map - a pointer to the device's ifmap structure | |
189 | * | |
190 | * RETURNS: | |
191 | * | |
192 | * 0 on success | |
193 | * errno otherwise | |
194 | * | |
195 | ******************************************************************************/ | |
196 | int wl_config( struct net_device *dev, struct ifmap *map ) | |
197 | { | |
68c0bdff HG |
198 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); |
199 | DBG_PARAM( DbgInfo, "map", "0x%p", map ); | |
200 | ||
201 | /* The only thing we care about here is a port change. Since this not needed, | |
202 | ignore the request. */ | |
8bf90539 | 203 | DBG_TRACE(DbgInfo, "%s: %s called.\n", dev->name, __func__); |
68c0bdff | 204 | |
68c0bdff HG |
205 | return 0; |
206 | } // wl_config | |
207 | /*============================================================================*/ | |
208 | ||
209 | /******************************************************************************* | |
210 | * wl_stats() | |
211 | ******************************************************************************* | |
212 | * | |
213 | * DESCRIPTION: | |
214 | * | |
215 | * Return the current device statistics. | |
216 | * | |
217 | * PARAMETERS: | |
218 | * | |
219 | * dev - a pointer to the device's net_device structure | |
220 | * | |
221 | * RETURNS: | |
222 | * | |
223 | * a pointer to a net_device_stats structure containing the network | |
224 | * statistics. | |
225 | * | |
226 | ******************************************************************************/ | |
227 | struct net_device_stats *wl_stats( struct net_device *dev ) | |
228 | { | |
229 | #ifdef USE_WDS | |
230 | int count; | |
231 | #endif /* USE_WDS */ | |
232 | unsigned long flags; | |
233 | struct net_device_stats *pStats; | |
234 | struct wl_private *lp = wl_priv(dev); | |
68c0bdff | 235 | |
68c0bdff HG |
236 | //DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); |
237 | ||
238 | pStats = NULL; | |
239 | ||
240 | wl_lock( lp, &flags ); | |
241 | ||
242 | #ifdef USE_RTS | |
243 | if( lp->useRTS == 1 ) { | |
244 | wl_unlock( lp, &flags ); | |
68c0bdff HG |
245 | return NULL; |
246 | } | |
247 | #endif /* USE_RTS */ | |
248 | ||
249 | /* Return the statistics for the appropriate device */ | |
250 | #ifdef USE_WDS | |
251 | ||
252 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
253 | if( dev == lp->wds_port[count].dev ) { | |
254 | pStats = &( lp->wds_port[count].stats ); | |
255 | } | |
256 | } | |
257 | ||
258 | #endif /* USE_WDS */ | |
259 | ||
260 | /* If pStats is still NULL, then the device is not a WDS port */ | |
261 | if( pStats == NULL ) { | |
262 | pStats = &( lp->stats ); | |
263 | } | |
264 | ||
265 | wl_unlock( lp, &flags ); | |
266 | ||
68c0bdff HG |
267 | return pStats; |
268 | } // wl_stats | |
269 | /*============================================================================*/ | |
270 | ||
271 | /******************************************************************************* | |
272 | * wl_open() | |
273 | ******************************************************************************* | |
274 | * | |
275 | * DESCRIPTION: | |
276 | * | |
277 | * Open the device. | |
278 | * | |
279 | * PARAMETERS: | |
280 | * | |
281 | * dev - a pointer to the device's net_device structure | |
282 | * | |
283 | * RETURNS: | |
284 | * | |
285 | * 0 on success | |
286 | * errno otherwise | |
287 | * | |
288 | ******************************************************************************/ | |
289 | int wl_open(struct net_device *dev) | |
290 | { | |
291 | int status = HCF_SUCCESS; | |
292 | struct wl_private *lp = wl_priv(dev); | |
293 | unsigned long flags; | |
68c0bdff HG |
294 | |
295 | wl_lock( lp, &flags ); | |
296 | ||
297 | #ifdef USE_RTS | |
298 | if( lp->useRTS == 1 ) { | |
299 | DBG_TRACE( DbgInfo, "Skipping device open, in RTS mode\n" ); | |
300 | wl_unlock( lp, &flags ); | |
68c0bdff HG |
301 | return -EIO; |
302 | } | |
303 | #endif /* USE_RTS */ | |
304 | ||
305 | #ifdef USE_PROFILE | |
306 | parse_config( dev ); | |
307 | #endif | |
308 | ||
309 | if( lp->portState == WVLAN_PORT_STATE_DISABLED ) { | |
310 | DBG_TRACE( DbgInfo, "Enabling Port 0\n" ); | |
311 | status = wl_enable( lp ); | |
312 | ||
313 | if( status != HCF_SUCCESS ) { | |
314 | DBG_TRACE( DbgInfo, "Enable port 0 failed: 0x%x\n", status ); | |
315 | } | |
316 | } | |
317 | ||
318 | // Holding the lock too long, make a gap to allow other processes | |
319 | wl_unlock(lp, &flags); | |
320 | wl_lock( lp, &flags ); | |
321 | ||
322 | if ( strlen( lp->fw_image_filename ) ) { | |
323 | DBG_TRACE( DbgInfo, ";???? Kludgy way to force a download\n" ); | |
324 | status = wl_go( lp ); | |
325 | } else { | |
326 | status = wl_apply( lp ); | |
327 | } | |
328 | ||
329 | // Holding the lock too long, make a gap to allow other processes | |
330 | wl_unlock(lp, &flags); | |
331 | wl_lock( lp, &flags ); | |
332 | ||
333 | if( status != HCF_SUCCESS ) { | |
2ed71d5a | 334 | // Unsuccessful, try reset of the card to recover |
68c0bdff HG |
335 | status = wl_reset( dev ); |
336 | } | |
337 | ||
338 | // Holding the lock too long, make a gap to allow other processes | |
339 | wl_unlock(lp, &flags); | |
340 | wl_lock( lp, &flags ); | |
341 | ||
342 | if( status == HCF_SUCCESS ) { | |
343 | netif_carrier_on( dev ); | |
344 | WL_WDS_NETIF_CARRIER_ON( lp ); | |
345 | ||
346 | lp->is_handling_int = WL_HANDLING_INT; // Start handling interrupts | |
347 | wl_act_int_on( lp ); | |
348 | ||
349 | netif_start_queue( dev ); | |
350 | WL_WDS_NETIF_START_QUEUE( lp ); | |
351 | } else { | |
352 | wl_hcf_error( dev, status ); /* Report the error */ | |
353 | netif_device_detach( dev ); /* Stop the device and queue */ | |
354 | } | |
355 | ||
356 | wl_unlock( lp, &flags ); | |
357 | ||
68c0bdff HG |
358 | return status; |
359 | } // wl_open | |
360 | /*============================================================================*/ | |
361 | ||
362 | /******************************************************************************* | |
363 | * wl_close() | |
364 | ******************************************************************************* | |
365 | * | |
366 | * DESCRIPTION: | |
367 | * | |
368 | * Close the device. | |
369 | * | |
370 | * PARAMETERS: | |
371 | * | |
372 | * dev - a pointer to the device's net_device structure | |
373 | * | |
374 | * RETURNS: | |
375 | * | |
376 | * 0 on success | |
377 | * errno otherwise | |
378 | * | |
379 | ******************************************************************************/ | |
380 | int wl_close( struct net_device *dev ) | |
381 | { | |
382 | struct wl_private *lp = wl_priv(dev); | |
383 | unsigned long flags; | |
68c0bdff | 384 | |
68c0bdff HG |
385 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); |
386 | ||
387 | /* Mark the adapter as busy */ | |
388 | netif_stop_queue( dev ); | |
389 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
390 | ||
391 | netif_carrier_off( dev ); | |
392 | WL_WDS_NETIF_CARRIER_OFF( lp ); | |
393 | ||
394 | /* Shutdown the adapter: | |
395 | Disable adapter interrupts | |
396 | Stop Tx/Rx | |
397 | Update statistics | |
398 | Set low power mode | |
399 | */ | |
400 | ||
401 | wl_lock( lp, &flags ); | |
402 | ||
403 | wl_act_int_off( lp ); | |
404 | lp->is_handling_int = WL_NOT_HANDLING_INT; // Stop handling interrupts | |
405 | ||
406 | #ifdef USE_RTS | |
407 | if( lp->useRTS == 1 ) { | |
408 | DBG_TRACE( DbgInfo, "Skipping device close, in RTS mode\n" ); | |
409 | wl_unlock( lp, &flags ); | |
68c0bdff HG |
410 | return -EIO; |
411 | } | |
412 | #endif /* USE_RTS */ | |
413 | ||
414 | /* Disable the ports */ | |
415 | wl_disable( lp ); | |
416 | ||
417 | wl_unlock( lp, &flags ); | |
418 | ||
68c0bdff HG |
419 | return 0; |
420 | } // wl_close | |
421 | /*============================================================================*/ | |
422 | ||
423 | static void wl_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
424 | { | |
7826d43f JP |
425 | strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver)); |
426 | strlcpy(info->version, DRV_VERSION_STR, sizeof(info->version)); | |
427 | // strlcpy(info.fw_version, priv->fw_name, | |
428 | // sizeof(info.fw_version)); | |
68c0bdff | 429 | |
68c0bdff HG |
430 | if (dev->dev.parent) { |
431 | dev_set_name(dev->dev.parent, "%s", info->bus_info); | |
7826d43f JP |
432 | //strlcpy(info->bus_info, dev->dev.parent->bus_id, |
433 | // sizeof(info->bus_info)); | |
68c0bdff | 434 | } else { |
7826d43f | 435 | snprintf(info->bus_info, sizeof(info->bus_info), |
68c0bdff HG |
436 | "PCMCIA FIXME"); |
437 | // "PCMCIA 0x%lx", priv->hw.iobase); | |
438 | } | |
439 | } // wl_get_drvinfo | |
440 | ||
441 | static struct ethtool_ops wl_ethtool_ops = { | |
442 | .get_drvinfo = wl_get_drvinfo, | |
443 | .get_link = ethtool_op_get_link, | |
444 | }; | |
445 | ||
446 | ||
447 | /******************************************************************************* | |
448 | * wl_ioctl() | |
449 | ******************************************************************************* | |
450 | * | |
451 | * DESCRIPTION: | |
452 | * | |
453 | * The IOCTL handler for the device. | |
454 | * | |
455 | * PARAMETERS: | |
456 | * | |
457 | * dev - a pointer to the device's net_device struct. | |
458 | * rq - a pointer to the IOCTL request buffer. | |
459 | * cmd - the IOCTL command code. | |
460 | * | |
461 | * RETURNS: | |
462 | * | |
463 | * 0 on success | |
464 | * errno value otherwise | |
465 | * | |
466 | ******************************************************************************/ | |
467 | int wl_ioctl( struct net_device *dev, struct ifreq *rq, int cmd ) | |
468 | { | |
469 | struct wl_private *lp = wl_priv(dev); | |
470 | unsigned long flags; | |
471 | int ret = 0; | |
68c0bdff | 472 | |
68c0bdff HG |
473 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); |
474 | DBG_PARAM(DbgInfo, "rq", "0x%p", rq); | |
475 | DBG_PARAM(DbgInfo, "cmd", "0x%04x", cmd); | |
476 | ||
477 | wl_lock( lp, &flags ); | |
478 | ||
479 | wl_act_int_off( lp ); | |
480 | ||
481 | #ifdef USE_RTS | |
482 | if( lp->useRTS == 1 ) { | |
483 | /* Handle any RTS IOCTL here */ | |
484 | if( cmd == WL_IOCTL_RTS ) { | |
485 | DBG_TRACE( DbgInfo, "IOCTL: WL_IOCTL_RTS\n" ); | |
486 | ret = wvlan_rts( (struct rtsreq *)rq, dev->base_addr ); | |
487 | } else { | |
488 | DBG_TRACE( DbgInfo, "IOCTL not supported in RTS mode: 0x%X\n", cmd ); | |
489 | ret = -EOPNOTSUPP; | |
490 | } | |
491 | ||
492 | goto out_act_int_on_unlock; | |
493 | } | |
494 | #endif /* USE_RTS */ | |
495 | ||
496 | /* Only handle UIL IOCTL requests when the UIL has the system blocked. */ | |
497 | if( !(( lp->flags & WVLAN2_UIL_BUSY ) && ( cmd != WVLAN2_IOCTL_UIL ))) { | |
498 | #ifdef USE_UIL | |
499 | struct uilreq *urq = (struct uilreq *)rq; | |
500 | #endif /* USE_UIL */ | |
501 | ||
502 | switch( cmd ) { | |
503 | // ================== Private IOCTLs (up to 16) ================== | |
504 | #ifdef USE_UIL | |
505 | case WVLAN2_IOCTL_UIL: | |
506 | DBG_TRACE( DbgInfo, "IOCTL: WVLAN2_IOCTL_UIL\n" ); | |
507 | ret = wvlan_uil( urq, lp ); | |
508 | break; | |
509 | #endif /* USE_UIL */ | |
510 | ||
511 | default: | |
512 | DBG_TRACE(DbgInfo, "IOCTL CODE NOT SUPPORTED: 0x%X\n", cmd ); | |
513 | ret = -EOPNOTSUPP; | |
514 | break; | |
515 | } | |
516 | } else { | |
517 | DBG_WARNING( DbgInfo, "DEVICE IS BUSY, CANNOT PROCESS REQUEST\n" ); | |
518 | ret = -EBUSY; | |
519 | } | |
520 | ||
521 | #ifdef USE_RTS | |
522 | out_act_int_on_unlock: | |
523 | #endif /* USE_RTS */ | |
524 | wl_act_int_on( lp ); | |
525 | ||
526 | wl_unlock( lp, &flags ); | |
527 | ||
68c0bdff HG |
528 | return ret; |
529 | } // wl_ioctl | |
530 | /*============================================================================*/ | |
531 | ||
532 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
533 | void wl_poll(struct net_device *dev) | |
534 | { | |
535 | struct wl_private *lp = wl_priv(dev); | |
536 | unsigned long flags; | |
537 | struct pt_regs regs; | |
538 | ||
539 | wl_lock( lp, &flags ); | |
540 | wl_isr(dev->irq, dev, ®s); | |
541 | wl_unlock( lp, &flags ); | |
542 | } | |
543 | #endif | |
544 | ||
545 | /******************************************************************************* | |
546 | * wl_tx_timeout() | |
547 | ******************************************************************************* | |
548 | * | |
549 | * DESCRIPTION: | |
550 | * | |
551 | * The handler called when, for some reason, a Tx request is not completed. | |
552 | * | |
553 | * PARAMETERS: | |
554 | * | |
555 | * dev - a pointer to the device's net_device struct. | |
556 | * | |
557 | * RETURNS: | |
558 | * | |
559 | * N/A | |
560 | * | |
561 | ******************************************************************************/ | |
562 | void wl_tx_timeout( struct net_device *dev ) | |
563 | { | |
564 | #ifdef USE_WDS | |
565 | int count; | |
566 | #endif /* USE_WDS */ | |
567 | unsigned long flags; | |
568 | struct wl_private *lp = wl_priv(dev); | |
569 | struct net_device_stats *pStats = NULL; | |
68c0bdff HG |
570 | |
571 | DBG_WARNING( DbgInfo, "%s: Transmit timeout.\n", dev->name ); | |
572 | ||
573 | wl_lock( lp, &flags ); | |
574 | ||
575 | #ifdef USE_RTS | |
576 | if( lp->useRTS == 1 ) { | |
577 | DBG_TRACE( DbgInfo, "Skipping tx_timeout handler, in RTS mode\n" ); | |
578 | wl_unlock( lp, &flags ); | |
68c0bdff HG |
579 | return; |
580 | } | |
581 | #endif /* USE_RTS */ | |
582 | ||
583 | /* Figure out which device (the "root" device or WDS port) this timeout | |
584 | is for */ | |
585 | #ifdef USE_WDS | |
586 | ||
587 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
588 | if( dev == lp->wds_port[count].dev ) { | |
589 | pStats = &( lp->wds_port[count].stats ); | |
590 | ||
591 | /* Break the loop so that we can use the counter to access WDS | |
592 | information in the private structure */ | |
593 | break; | |
594 | } | |
595 | } | |
596 | ||
597 | #endif /* USE_WDS */ | |
598 | ||
599 | /* If pStats is still NULL, then the device is not a WDS port */ | |
600 | if( pStats == NULL ) { | |
601 | pStats = &( lp->stats ); | |
602 | } | |
603 | ||
604 | /* Accumulate the timeout error */ | |
605 | pStats->tx_errors++; | |
606 | ||
607 | wl_unlock( lp, &flags ); | |
68c0bdff HG |
608 | } // wl_tx_timeout |
609 | /*============================================================================*/ | |
610 | ||
611 | /******************************************************************************* | |
612 | * wl_send() | |
613 | ******************************************************************************* | |
614 | * | |
615 | * DESCRIPTION: | |
616 | * | |
617 | * The routine which performs data transmits. | |
618 | * | |
619 | * PARAMETERS: | |
620 | * | |
621 | * lp - a pointer to the device's wl_private struct. | |
622 | * | |
623 | * RETURNS: | |
624 | * | |
625 | * 0 on success | |
626 | * 1 on error | |
627 | * | |
628 | ******************************************************************************/ | |
629 | int wl_send( struct wl_private *lp ) | |
630 | { | |
631 | ||
632 | int status; | |
633 | DESC_STRCT *desc; | |
634 | WVLAN_LFRAME *txF = NULL; | |
635 | struct list_head *element; | |
636 | int len; | |
637 | /*------------------------------------------------------------------------*/ | |
638 | ||
68c0bdff HG |
639 | if( lp == NULL ) { |
640 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); | |
641 | return FALSE; | |
642 | } | |
643 | if( lp->dev == NULL ) { | |
644 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); | |
645 | return FALSE; | |
646 | } | |
647 | ||
648 | /* Check for the availability of FIDs; if none are available, don't take any | |
649 | frames off the txQ */ | |
650 | if( lp->hcfCtx.IFB_RscInd == 0 ) { | |
651 | return FALSE; | |
652 | } | |
653 | ||
654 | /* Reclaim the TxQ Elements and place them back on the free queue */ | |
655 | if( !list_empty( &( lp->txQ[0] ))) { | |
656 | element = lp->txQ[0].next; | |
657 | ||
658 | txF = (WVLAN_LFRAME * )list_entry( element, WVLAN_LFRAME, node ); | |
659 | if( txF != NULL ) { | |
660 | lp->txF.skb = txF->frame.skb; | |
661 | lp->txF.port = txF->frame.port; | |
662 | ||
663 | txF->frame.skb = NULL; | |
664 | txF->frame.port = 0; | |
665 | ||
666 | list_del( &( txF->node )); | |
667 | list_add( element, &( lp->txFree )); | |
668 | ||
669 | lp->txQ_count--; | |
670 | ||
671 | if( lp->txQ_count < TX_Q_LOW_WATER_MARK ) { | |
672 | if( lp->netif_queue_on == FALSE ) { | |
673 | DBG_TX( DbgInfo, "Kickstarting Q: %d\n", lp->txQ_count ); | |
674 | netif_wake_queue( lp->dev ); | |
675 | WL_WDS_NETIF_WAKE_QUEUE( lp ); | |
676 | lp->netif_queue_on = TRUE; | |
677 | } | |
678 | } | |
679 | } | |
680 | } | |
681 | ||
682 | if( lp->txF.skb == NULL ) { | |
683 | return FALSE; | |
684 | } | |
685 | ||
686 | /* If the device has resources (FIDs) available, then Tx the packet */ | |
687 | /* Format the TxRequest and send it to the adapter */ | |
688 | len = lp->txF.skb->len < ETH_ZLEN ? ETH_ZLEN : lp->txF.skb->len; | |
689 | ||
690 | desc = &( lp->desc_tx ); | |
691 | desc->buf_addr = lp->txF.skb->data; | |
692 | desc->BUF_CNT = len; | |
693 | desc->next_desc_addr = NULL; | |
694 | ||
695 | status = hcf_send_msg( &( lp->hcfCtx ), desc, lp->txF.port ); | |
696 | ||
697 | if( status == HCF_SUCCESS ) { | |
698 | lp->dev->trans_start = jiffies; | |
699 | ||
700 | DBG_TX( DbgInfo, "Transmit...\n" ); | |
701 | ||
702 | if( lp->txF.port == HCF_PORT_0 ) { | |
703 | lp->stats.tx_packets++; | |
704 | lp->stats.tx_bytes += lp->txF.skb->len; | |
705 | } | |
706 | ||
707 | #ifdef USE_WDS | |
708 | else | |
709 | { | |
710 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_packets++; | |
711 | lp->wds_port[(( lp->txF.port >> 8 ) - 1)].stats.tx_bytes += lp->txF.skb->len; | |
712 | } | |
713 | ||
714 | #endif /* USE_WDS */ | |
715 | ||
716 | /* Free the skb and perform queue cleanup, as the buffer was | |
717 | transmitted successfully */ | |
718 | dev_kfree_skb( lp->txF.skb ); | |
719 | ||
720 | lp->txF.skb = NULL; | |
721 | lp->txF.port = 0; | |
722 | } | |
723 | ||
724 | return TRUE; | |
725 | } // wl_send | |
726 | /*============================================================================*/ | |
727 | ||
728 | /******************************************************************************* | |
729 | * wl_tx() | |
730 | ******************************************************************************* | |
731 | * | |
732 | * DESCRIPTION: | |
733 | * | |
734 | * The Tx handler function for the network layer. | |
735 | * | |
736 | * PARAMETERS: | |
737 | * | |
738 | * skb - a pointer to the sk_buff structure containing the data to transfer. | |
739 | * dev - a pointer to the device's net_device structure. | |
740 | * | |
741 | * RETURNS: | |
742 | * | |
743 | * 0 on success | |
744 | * 1 on error | |
745 | * | |
746 | ******************************************************************************/ | |
747 | int wl_tx( struct sk_buff *skb, struct net_device *dev, int port ) | |
748 | { | |
749 | unsigned long flags; | |
750 | struct wl_private *lp = wl_priv(dev); | |
751 | WVLAN_LFRAME *txF = NULL; | |
752 | struct list_head *element; | |
753 | /*------------------------------------------------------------------------*/ | |
754 | ||
68c0bdff HG |
755 | /* Grab the spinlock */ |
756 | wl_lock( lp, &flags ); | |
757 | ||
758 | if( lp->flags & WVLAN2_UIL_BUSY ) { | |
759 | DBG_WARNING( DbgInfo, "UIL has device blocked\n" ); | |
760 | /* Start dropping packets here??? */ | |
761 | wl_unlock( lp, &flags ); | |
762 | return 1; | |
763 | } | |
764 | ||
765 | #ifdef USE_RTS | |
766 | if( lp->useRTS == 1 ) { | |
767 | DBG_PRINT( "RTS: we're getting a Tx...\n" ); | |
768 | wl_unlock( lp, &flags ); | |
769 | return 1; | |
770 | } | |
771 | #endif /* USE_RTS */ | |
772 | ||
773 | if( !lp->use_dma ) { | |
774 | /* Get an element from the queue */ | |
775 | element = lp->txFree.next; | |
776 | txF = (WVLAN_LFRAME *)list_entry( element, WVLAN_LFRAME, node ); | |
777 | if( txF == NULL ) { | |
778 | DBG_ERROR( DbgInfo, "Problem with list_entry\n" ); | |
779 | wl_unlock( lp, &flags ); | |
780 | return 1; | |
781 | } | |
782 | /* Fill out the frame */ | |
783 | txF->frame.skb = skb; | |
784 | txF->frame.port = port; | |
785 | /* Move the frame to the txQ */ | |
786 | /* NOTE: Here's where we would do priority queueing */ | |
84bda909 | 787 | list_move(&(txF->node), &(lp->txQ[0])); |
68c0bdff HG |
788 | |
789 | lp->txQ_count++; | |
790 | if( lp->txQ_count >= DEFAULT_NUM_TX_FRAMES ) { | |
791 | DBG_TX( DbgInfo, "Q Full: %d\n", lp->txQ_count ); | |
792 | if( lp->netif_queue_on == TRUE ) { | |
793 | netif_stop_queue( lp->dev ); | |
794 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
795 | lp->netif_queue_on = FALSE; | |
796 | } | |
797 | } | |
798 | } | |
799 | wl_act_int_off( lp ); /* Disable Interrupts */ | |
800 | ||
801 | /* Send the data to the hardware using the appropriate method */ | |
802 | #ifdef ENABLE_DMA | |
803 | if( lp->use_dma ) { | |
804 | wl_send_dma( lp, skb, port ); | |
805 | } | |
806 | else | |
807 | #endif | |
808 | { | |
809 | wl_send( lp ); | |
810 | } | |
811 | /* Re-enable Interrupts, release the spinlock and return */ | |
812 | wl_act_int_on( lp ); | |
813 | wl_unlock( lp, &flags ); | |
814 | return 0; | |
815 | } // wl_tx | |
816 | /*============================================================================*/ | |
817 | ||
818 | /******************************************************************************* | |
819 | * wl_rx() | |
820 | ******************************************************************************* | |
821 | * | |
822 | * DESCRIPTION: | |
823 | * | |
824 | * The routine which performs data reception. | |
825 | * | |
826 | * PARAMETERS: | |
827 | * | |
828 | * dev - a pointer to the device's net_device structure. | |
829 | * | |
830 | * RETURNS: | |
831 | * | |
832 | * 0 on success | |
833 | * 1 on error | |
834 | * | |
835 | ******************************************************************************/ | |
836 | int wl_rx(struct net_device *dev) | |
837 | { | |
838 | int port; | |
839 | struct sk_buff *skb; | |
840 | struct wl_private *lp = wl_priv(dev); | |
841 | int status; | |
842 | hcf_16 pktlen; | |
843 | hcf_16 hfs_stat; | |
844 | DESC_STRCT *desc; | |
845 | /*------------------------------------------------------------------------*/ | |
846 | ||
68c0bdff HG |
847 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); |
848 | ||
849 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
850 | ||
851 | #ifdef USE_RTS | |
852 | if( lp->useRTS == 1 ) { | |
853 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
854 | return -EIO; | |
855 | } | |
856 | #endif /* USE_RTS */ | |
857 | ||
858 | /* Read the HFS_STAT register from the lookahead buffer */ | |
859 | hfs_stat = (hcf_16)(( lp->lookAheadBuf[HFS_STAT] ) | | |
860 | ( lp->lookAheadBuf[HFS_STAT + 1] << 8 )); | |
861 | ||
862 | /* Make sure the frame isn't bad */ | |
863 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) { | |
864 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
865 | lp->lookAheadBuf[HFS_STAT] ); | |
866 | return -EIO; | |
867 | } | |
868 | ||
869 | /* Determine what port this packet is for */ | |
870 | port = ( hfs_stat >> 8 ) & 0x0007; | |
871 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
872 | ||
491dbc8d JP |
873 | pktlen = lp->hcfCtx.IFB_RxLen; |
874 | if (pktlen != 0) { | |
875 | skb = ALLOC_SKB(pktlen); | |
876 | if (skb != NULL) { | |
68c0bdff HG |
877 | /* Set the netdev based on the port */ |
878 | switch( port ) { | |
879 | #ifdef USE_WDS | |
880 | case 1: | |
881 | case 2: | |
882 | case 3: | |
883 | case 4: | |
884 | case 5: | |
885 | case 6: | |
886 | skb->dev = lp->wds_port[port-1].dev; | |
887 | break; | |
888 | #endif /* USE_WDS */ | |
889 | ||
890 | case 0: | |
891 | default: | |
892 | skb->dev = dev; | |
893 | break; | |
894 | } | |
895 | ||
896 | desc = &( lp->desc_rx ); | |
897 | ||
898 | desc->next_desc_addr = NULL; | |
899 | ||
900 | /* | |
901 | #define BLOCK_INPUT(buf, len) \ | |
902 | desc->buf_addr = buf; \ | |
903 | desc->BUF_SIZE = len; \ | |
904 | status = hcf_rcv_msg(&(lp->hcfCtx), desc, 0) | |
905 | */ | |
906 | ||
907 | GET_PACKET( skb->dev, skb, pktlen ); | |
908 | ||
909 | if( status == HCF_SUCCESS ) { | |
910 | netif_rx( skb ); | |
911 | ||
912 | if( port == 0 ) { | |
913 | lp->stats.rx_packets++; | |
914 | lp->stats.rx_bytes += pktlen; | |
915 | } | |
916 | #ifdef USE_WDS | |
917 | else | |
918 | { | |
919 | lp->wds_port[port-1].stats.rx_packets++; | |
920 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
921 | } | |
922 | #endif /* USE_WDS */ | |
923 | ||
924 | dev->last_rx = jiffies; | |
925 | ||
926 | #ifdef WIRELESS_EXT | |
927 | #ifdef WIRELESS_SPY | |
928 | if( lp->spydata.spy_number > 0 ) { | |
929 | char *srcaddr = skb->mac.raw + MAC_ADDR_SIZE; | |
930 | ||
931 | wl_spy_gather( dev, srcaddr ); | |
932 | } | |
933 | #endif /* WIRELESS_SPY */ | |
934 | #endif /* WIRELESS_EXT */ | |
935 | } else { | |
936 | DBG_ERROR( DbgInfo, "Rx request to card FAILED\n" ); | |
937 | ||
938 | if( port == 0 ) { | |
939 | lp->stats.rx_dropped++; | |
940 | } | |
941 | #ifdef USE_WDS | |
942 | else | |
943 | { | |
944 | lp->wds_port[port-1].stats.rx_dropped++; | |
945 | } | |
946 | #endif /* USE_WDS */ | |
947 | ||
948 | dev_kfree_skb( skb ); | |
949 | } | |
950 | } else { | |
951 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
952 | ||
953 | if( port == 0 ) { | |
954 | lp->stats.rx_dropped++; | |
955 | } | |
956 | #ifdef USE_WDS | |
957 | else | |
958 | { | |
959 | lp->wds_port[port-1].stats.rx_dropped++; | |
960 | } | |
961 | #endif /* USE_WDS */ | |
962 | } | |
963 | } | |
964 | } | |
965 | ||
966 | return 0; | |
967 | } // wl_rx | |
968 | /*============================================================================*/ | |
969 | ||
970 | /******************************************************************************* | |
971 | * wl_multicast() | |
972 | ******************************************************************************* | |
973 | * | |
974 | * DESCRIPTION: | |
975 | * | |
976 | * Function to handle multicast packets | |
977 | * | |
978 | * PARAMETERS: | |
979 | * | |
980 | * dev - a pointer to the device's net_device structure. | |
981 | * | |
982 | * RETURNS: | |
983 | * | |
984 | * N/A | |
985 | * | |
986 | ******************************************************************************/ | |
987 | #ifdef NEW_MULTICAST | |
988 | ||
989 | void wl_multicast( struct net_device *dev ) | |
990 | { | |
991 | #if 1 //;? (HCF_TYPE) & HCF_TYPE_STA //;?should we return an error status in AP mode | |
992 | //;?seems reasonable that even an AP-only driver could afford this small additional footprint | |
993 | ||
994 | int x; | |
22bedad3 | 995 | struct netdev_hw_addr *ha; |
68c0bdff HG |
996 | struct wl_private *lp = wl_priv(dev); |
997 | unsigned long flags; | |
68c0bdff | 998 | |
68c0bdff HG |
999 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); |
1000 | ||
3c319c96 | 1001 | if( !wl_adapter_is_open( dev )) |
68c0bdff | 1002 | return; |
68c0bdff HG |
1003 | |
1004 | #if DBG | |
1005 | if( DBG_FLAGS( DbgInfo ) & DBG_PARAM_ON ) { | |
1006 | DBG_PRINT(" flags: %s%s%s\n", | |
73e18893 | 1007 | ( dev->flags & IFF_PROMISC ) ? "Promiscuous " : "", |
68c0bdff HG |
1008 | ( dev->flags & IFF_MULTICAST ) ? "Multicast " : "", |
1009 | ( dev->flags & IFF_ALLMULTI ) ? "All-Multicast" : "" ); | |
1010 | ||
4cd24eaf | 1011 | DBG_PRINT( " mc_count: %d\n", netdev_mc_count(dev)); |
68c0bdff | 1012 | |
22bedad3 | 1013 | netdev_for_each_mc_addr(ha, dev) |
2b6d83d6 | 1014 | DBG_PRINT(" %pM (%d)\n", ha->addr, dev->addr_len); |
68c0bdff HG |
1015 | } |
1016 | #endif /* DBG */ | |
1017 | ||
1018 | if(!( lp->flags & WVLAN2_UIL_BUSY )) { | |
1019 | ||
1020 | #ifdef USE_RTS | |
1021 | if( lp->useRTS == 1 ) { | |
1022 | DBG_TRACE( DbgInfo, "Skipping multicast, in RTS mode\n" ); | |
68c0bdff HG |
1023 | return; |
1024 | } | |
1025 | #endif /* USE_RTS */ | |
1026 | ||
1027 | wl_lock( lp, &flags ); | |
1028 | wl_act_int_off( lp ); | |
1029 | ||
1030 | if ( CNV_INT_TO_LITTLE( lp->hcfCtx.IFB_FWIdentity.comp_id ) == COMP_ID_FW_STA ) { | |
1031 | if( dev->flags & IFF_PROMISC ) { | |
1032 | /* Enable promiscuous mode */ | |
1033 | lp->ltvRecord.len = 2; | |
1034 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1035 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1036 | DBG_PRINT( "Enabling Promiscuous mode (IFF_PROMISC)\n" ); | |
1037 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1038 | } | |
4cd24eaf | 1039 | else if ((netdev_mc_count(dev) > HCF_MAX_MULTICAST) || |
68c0bdff HG |
1040 | ( dev->flags & IFF_ALLMULTI )) { |
1041 | /* Shutting off this filter will enable all multicast frames to | |
1042 | be sent up from the device; however, this is a static RID, so | |
1043 | a call to wl_apply() is needed */ | |
1044 | lp->ltvRecord.len = 2; | |
1045 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1046 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1047 | DBG_PRINT( "Enabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1048 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1049 | wl_apply( lp ); | |
1050 | } | |
4cd24eaf | 1051 | else if (!netdev_mc_empty(dev)) { |
68c0bdff | 1052 | /* Set the multicast addresses */ |
4cd24eaf | 1053 | lp->ltvRecord.len = ( netdev_mc_count(dev) * 3 ) + 1; |
68c0bdff HG |
1054 | lp->ltvRecord.typ = CFG_GROUP_ADDR; |
1055 | ||
d5907942 | 1056 | x = 0; |
22bedad3 | 1057 | netdev_for_each_mc_addr(ha, dev) |
d5907942 | 1058 | memcpy(&(lp->ltvRecord.u.u8[x++ * ETH_ALEN]), |
22bedad3 | 1059 | ha->addr, ETH_ALEN); |
68c0bdff HG |
1060 | DBG_PRINT( "Setting multicast list\n" ); |
1061 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1062 | } else { | |
1063 | /* Disable promiscuous mode */ | |
1064 | lp->ltvRecord.len = 2; | |
1065 | lp->ltvRecord.typ = CFG_PROMISCUOUS_MODE; | |
1066 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 0 ); | |
1067 | DBG_PRINT( "Disabling Promiscuous mode\n" ); | |
1068 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1069 | ||
1070 | /* Disable multicast mode */ | |
1071 | lp->ltvRecord.len = 2; | |
1072 | lp->ltvRecord.typ = CFG_GROUP_ADDR; | |
1073 | DBG_PRINT( "Disabling Multicast mode\n" ); | |
1074 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1075 | ||
1076 | /* Turning on this filter will prevent all multicast frames from | |
1077 | being sent up from the device; however, this is a static RID, | |
1078 | so a call to wl_apply() is needed */ | |
1079 | lp->ltvRecord.len = 2; | |
1080 | lp->ltvRecord.typ = CFG_CNF_RX_ALL_GROUP_ADDR; | |
1081 | lp->ltvRecord.u.u16[0] = CNV_INT_TO_LITTLE( 1 ); | |
1082 | DBG_PRINT( "Disabling all multicast mode (IFF_ALLMULTI)\n" ); | |
1083 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&( lp->ltvRecord )); | |
1084 | wl_apply( lp ); | |
1085 | } | |
1086 | } | |
1087 | wl_act_int_on( lp ); | |
1088 | wl_unlock( lp, &flags ); | |
1089 | } | |
68c0bdff HG |
1090 | #endif /* HCF_STA */ |
1091 | } // wl_multicast | |
1092 | /*============================================================================*/ | |
1093 | ||
1094 | #else /* NEW_MULTICAST */ | |
1095 | ||
1096 | void wl_multicast( struct net_device *dev, int num_addrs, void *addrs ) | |
1097 | { | |
68c0bdff HG |
1098 | DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); |
1099 | DBG_PARAM( DbgInfo, "num_addrs", "%d", num_addrs ); | |
1100 | DBG_PARAM( DbgInfo, "addrs", "0x%p", addrs ); | |
1101 | ||
1102 | #error Obsolete set multicast interface! | |
68c0bdff HG |
1103 | } // wl_multicast |
1104 | /*============================================================================*/ | |
1105 | ||
1106 | #endif /* NEW_MULTICAST */ | |
1107 | ||
68c0bdff HG |
1108 | static const struct net_device_ops wl_netdev_ops = |
1109 | { | |
1110 | .ndo_start_xmit = &wl_tx_port0, | |
1111 | ||
1112 | .ndo_set_config = &wl_config, | |
1113 | .ndo_get_stats = &wl_stats, | |
afc4b13d | 1114 | .ndo_set_rx_mode = &wl_multicast, |
68c0bdff HG |
1115 | |
1116 | .ndo_init = &wl_insert, | |
1117 | .ndo_open = &wl_adapter_open, | |
1118 | .ndo_stop = &wl_adapter_close, | |
1119 | .ndo_do_ioctl = &wl_ioctl, | |
1120 | ||
68c0bdff | 1121 | .ndo_tx_timeout = &wl_tx_timeout, |
68c0bdff HG |
1122 | |
1123 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1124 | .ndo_poll_controller = wl_poll, | |
1125 | #endif | |
1126 | }; | |
68c0bdff HG |
1127 | |
1128 | /******************************************************************************* | |
1129 | * wl_device_alloc() | |
1130 | ******************************************************************************* | |
1131 | * | |
1132 | * DESCRIPTION: | |
1133 | * | |
1134 | * Create instances of net_device and wl_private for the new adapter | |
1135 | * and register the device's entry points in the net_device structure. | |
1136 | * | |
1137 | * PARAMETERS: | |
1138 | * | |
1139 | * N/A | |
1140 | * | |
1141 | * RETURNS: | |
1142 | * | |
1143 | * a pointer to an allocated and initialized net_device struct for this | |
1144 | * device. | |
1145 | * | |
1146 | ******************************************************************************/ | |
1147 | struct net_device * wl_device_alloc( void ) | |
1148 | { | |
1149 | struct net_device *dev = NULL; | |
1150 | struct wl_private *lp = NULL; | |
68c0bdff HG |
1151 | |
1152 | /* Alloc a net_device struct */ | |
1153 | dev = alloc_etherdev(sizeof(struct wl_private)); | |
1154 | if (!dev) | |
1155 | return NULL; | |
1156 | ||
1157 | /* Initialize the 'next' pointer in the struct. Currently only used for PCI, | |
1158 | but do it here just in case it's used for other buses in the future */ | |
1159 | lp = wl_priv(dev); | |
1160 | ||
1161 | ||
1162 | /* Check MTU */ | |
1163 | if( dev->mtu > MTU_MAX ) | |
1164 | { | |
1165 | DBG_WARNING( DbgInfo, "%s: MTU set too high, limiting to %d.\n", | |
1166 | dev->name, MTU_MAX ); | |
1167 | dev->mtu = MTU_MAX; | |
1168 | } | |
1169 | ||
1170 | /* Setup the function table in the device structure. */ | |
1171 | ||
1172 | dev->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def; | |
1173 | lp->wireless_data.spy_data = &lp->spy_data; | |
1174 | dev->wireless_data = &lp->wireless_data; | |
1175 | ||
68c0bdff | 1176 | dev->netdev_ops = &wl_netdev_ops; |
68c0bdff | 1177 | |
68c0bdff | 1178 | dev->watchdog_timeo = TX_TIMEOUT; |
68c0bdff HG |
1179 | |
1180 | dev->ethtool_ops = &wl_ethtool_ops; | |
1181 | ||
1182 | netif_stop_queue( dev ); | |
1183 | ||
cb154c18 | 1184 | /* Allocate virtual devices for WDS support if needed */ |
68c0bdff HG |
1185 | WL_WDS_DEVICE_ALLOC( lp ); |
1186 | ||
68c0bdff HG |
1187 | return dev; |
1188 | } // wl_device_alloc | |
1189 | /*============================================================================*/ | |
1190 | ||
1191 | /******************************************************************************* | |
1192 | * wl_device_dealloc() | |
1193 | ******************************************************************************* | |
1194 | * | |
1195 | * DESCRIPTION: | |
1196 | * | |
1197 | * Free instances of net_device and wl_private strcutres for an adapter | |
1198 | * and perform basic cleanup. | |
1199 | * | |
1200 | * PARAMETERS: | |
1201 | * | |
1202 | * dev - a pointer to the device's net_device structure. | |
1203 | * | |
1204 | * RETURNS: | |
1205 | * | |
1206 | * N/A | |
1207 | * | |
1208 | ******************************************************************************/ | |
1209 | void wl_device_dealloc( struct net_device *dev ) | |
1210 | { | |
1211 | // struct wl_private *lp = wl_priv(dev); | |
68c0bdff HG |
1212 | |
1213 | /* Dealloc the WDS ports */ | |
1214 | WL_WDS_DEVICE_DEALLOC( lp ); | |
1215 | ||
1216 | free_netdev( dev ); | |
68c0bdff HG |
1217 | } // wl_device_dealloc |
1218 | /*============================================================================*/ | |
1219 | ||
1220 | /******************************************************************************* | |
1221 | * wl_tx_port0() | |
1222 | ******************************************************************************* | |
1223 | * | |
1224 | * DESCRIPTION: | |
1225 | * | |
1226 | * The handler routine for Tx over HCF_PORT_0. | |
1227 | * | |
1228 | * PARAMETERS: | |
1229 | * | |
1230 | * skb - a pointer to the sk_buff to transmit. | |
1231 | * dev - a pointer to a net_device structure representing HCF_PORT_0. | |
1232 | * | |
1233 | * RETURNS: | |
1234 | * | |
1235 | * N/A | |
1236 | * | |
1237 | ******************************************************************************/ | |
1238 | int wl_tx_port0( struct sk_buff *skb, struct net_device *dev ) | |
1239 | { | |
1240 | DBG_TX( DbgInfo, "Tx on Port 0\n" ); | |
1241 | ||
1242 | return wl_tx( skb, dev, HCF_PORT_0 ); | |
1243 | #ifdef ENABLE_DMA | |
1244 | return wl_tx_dma( skb, dev, HCF_PORT_0 ); | |
1245 | #endif | |
1246 | } // wl_tx_port0 | |
1247 | /*============================================================================*/ | |
1248 | ||
1249 | #ifdef USE_WDS | |
1250 | ||
1251 | /******************************************************************************* | |
1252 | * wl_tx_port1() | |
1253 | ******************************************************************************* | |
1254 | * | |
1255 | * DESCRIPTION: | |
1256 | * | |
1257 | * The handler routine for Tx over HCF_PORT_1. | |
1258 | * | |
1259 | * PARAMETERS: | |
1260 | * | |
1261 | * skb - a pointer to the sk_buff to transmit. | |
1262 | * dev - a pointer to a net_device structure representing HCF_PORT_1. | |
1263 | * | |
1264 | * RETURNS: | |
1265 | * | |
1266 | * N/A | |
1267 | * | |
1268 | ******************************************************************************/ | |
1269 | int wl_tx_port1( struct sk_buff *skb, struct net_device *dev ) | |
1270 | { | |
1271 | DBG_TX( DbgInfo, "Tx on Port 1\n" ); | |
1272 | return wl_tx( skb, dev, HCF_PORT_1 ); | |
1273 | } // wl_tx_port1 | |
1274 | /*============================================================================*/ | |
1275 | ||
1276 | /******************************************************************************* | |
1277 | * wl_tx_port2() | |
1278 | ******************************************************************************* | |
1279 | * | |
1280 | * DESCRIPTION: | |
1281 | * | |
1282 | * The handler routine for Tx over HCF_PORT_2. | |
1283 | * | |
1284 | * PARAMETERS: | |
1285 | * | |
1286 | * skb - a pointer to the sk_buff to transmit. | |
1287 | * dev - a pointer to a net_device structure representing HCF_PORT_2. | |
1288 | * | |
1289 | * RETURNS: | |
1290 | * | |
1291 | * N/A | |
1292 | * | |
1293 | ******************************************************************************/ | |
1294 | int wl_tx_port2( struct sk_buff *skb, struct net_device *dev ) | |
1295 | { | |
1296 | DBG_TX( DbgInfo, "Tx on Port 2\n" ); | |
1297 | return wl_tx( skb, dev, HCF_PORT_2 ); | |
1298 | } // wl_tx_port2 | |
1299 | /*============================================================================*/ | |
1300 | ||
1301 | /******************************************************************************* | |
1302 | * wl_tx_port3() | |
1303 | ******************************************************************************* | |
1304 | * | |
1305 | * DESCRIPTION: | |
1306 | * | |
1307 | * The handler routine for Tx over HCF_PORT_3. | |
1308 | * | |
1309 | * PARAMETERS: | |
1310 | * | |
1311 | * skb - a pointer to the sk_buff to transmit. | |
1312 | * dev - a pointer to a net_device structure representing HCF_PORT_3. | |
1313 | * | |
1314 | * RETURNS: | |
1315 | * | |
1316 | * N/A | |
1317 | * | |
1318 | ******************************************************************************/ | |
1319 | int wl_tx_port3( struct sk_buff *skb, struct net_device *dev ) | |
1320 | { | |
1321 | DBG_TX( DbgInfo, "Tx on Port 3\n" ); | |
1322 | return wl_tx( skb, dev, HCF_PORT_3 ); | |
1323 | } // wl_tx_port3 | |
1324 | /*============================================================================*/ | |
1325 | ||
1326 | /******************************************************************************* | |
1327 | * wl_tx_port4() | |
1328 | ******************************************************************************* | |
1329 | * | |
1330 | * DESCRIPTION: | |
1331 | * | |
1332 | * The handler routine for Tx over HCF_PORT_4. | |
1333 | * | |
1334 | * PARAMETERS: | |
1335 | * | |
1336 | * skb - a pointer to the sk_buff to transmit. | |
1337 | * dev - a pointer to a net_device structure representing HCF_PORT_4. | |
1338 | * | |
1339 | * RETURNS: | |
1340 | * | |
1341 | * N/A | |
1342 | * | |
1343 | ******************************************************************************/ | |
1344 | int wl_tx_port4( struct sk_buff *skb, struct net_device *dev ) | |
1345 | { | |
1346 | DBG_TX( DbgInfo, "Tx on Port 4\n" ); | |
1347 | return wl_tx( skb, dev, HCF_PORT_4 ); | |
1348 | } // wl_tx_port4 | |
1349 | /*============================================================================*/ | |
1350 | ||
1351 | /******************************************************************************* | |
1352 | * wl_tx_port5() | |
1353 | ******************************************************************************* | |
1354 | * | |
1355 | * DESCRIPTION: | |
1356 | * | |
1357 | * The handler routine for Tx over HCF_PORT_5. | |
1358 | * | |
1359 | * PARAMETERS: | |
1360 | * | |
1361 | * skb - a pointer to the sk_buff to transmit. | |
1362 | * dev - a pointer to a net_device structure representing HCF_PORT_5. | |
1363 | * | |
1364 | * RETURNS: | |
1365 | * | |
1366 | * N/A | |
1367 | * | |
1368 | ******************************************************************************/ | |
1369 | int wl_tx_port5( struct sk_buff *skb, struct net_device *dev ) | |
1370 | { | |
1371 | DBG_TX( DbgInfo, "Tx on Port 5\n" ); | |
1372 | return wl_tx( skb, dev, HCF_PORT_5 ); | |
1373 | } // wl_tx_port5 | |
1374 | /*============================================================================*/ | |
1375 | ||
1376 | /******************************************************************************* | |
1377 | * wl_tx_port6() | |
1378 | ******************************************************************************* | |
1379 | * | |
1380 | * DESCRIPTION: | |
1381 | * | |
1382 | * The handler routine for Tx over HCF_PORT_6. | |
1383 | * | |
1384 | * PARAMETERS: | |
1385 | * | |
1386 | * skb - a pointer to the sk_buff to transmit. | |
1387 | * dev - a pointer to a net_device structure representing HCF_PORT_6. | |
1388 | * | |
1389 | * RETURNS: | |
1390 | * | |
1391 | * N/A | |
1392 | * | |
1393 | ******************************************************************************/ | |
1394 | int wl_tx_port6( struct sk_buff *skb, struct net_device *dev ) | |
1395 | { | |
1396 | DBG_TX( DbgInfo, "Tx on Port 6\n" ); | |
1397 | return wl_tx( skb, dev, HCF_PORT_6 ); | |
1398 | } // wl_tx_port6 | |
1399 | /*============================================================================*/ | |
1400 | ||
1401 | /******************************************************************************* | |
1402 | * wl_wds_device_alloc() | |
1403 | ******************************************************************************* | |
1404 | * | |
1405 | * DESCRIPTION: | |
1406 | * | |
1407 | * Create instances of net_device to represent the WDS ports, and register | |
1408 | * the device's entry points in the net_device structure. | |
1409 | * | |
1410 | * PARAMETERS: | |
1411 | * | |
1412 | * lp - a pointer to the device's private adapter structure | |
1413 | * | |
1414 | * RETURNS: | |
1415 | * | |
1416 | * N/A, but will place pointers to the allocated and initialized net_device | |
1417 | * structs in the private adapter structure. | |
1418 | * | |
1419 | ******************************************************************************/ | |
1420 | void wl_wds_device_alloc( struct wl_private *lp ) | |
1421 | { | |
1422 | int count; | |
68c0bdff HG |
1423 | |
1424 | /* WDS support requires additional net_device structs to be allocated, | |
1425 | so that user space apps can use these virtual devices to specify the | |
1426 | port on which to Tx/Rx */ | |
1427 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1428 | struct net_device *dev_wds = NULL; | |
1429 | ||
310c6a76 | 1430 | dev_wds = kzalloc(sizeof(struct net_device), GFP_KERNEL); |
3c319c96 | 1431 | if (!dev_wds) |
310c6a76 | 1432 | return; |
68c0bdff HG |
1433 | |
1434 | ether_setup( dev_wds ); | |
1435 | ||
1436 | lp->wds_port[count].dev = dev_wds; | |
1437 | ||
1438 | /* Re-use wl_init for all the devices, as it currently does nothing, but | |
1439 | is required. Re-use the stats/tx_timeout handler for all as well; the | |
1440 | WDS port which is requesting these operations can be determined by | |
1441 | the net_device pointer. Set the private member of all devices to point | |
1442 | to the same net_device struct; that way, all information gets | |
1443 | funnelled through the one "real" net_device. Name the WDS ports | |
1444 | "wds<n>" */ | |
1445 | lp->wds_port[count].dev->init = &wl_init; | |
1446 | lp->wds_port[count].dev->get_stats = &wl_stats; | |
1447 | lp->wds_port[count].dev->tx_timeout = &wl_tx_timeout; | |
1448 | lp->wds_port[count].dev->watchdog_timeo = TX_TIMEOUT; | |
1449 | lp->wds_port[count].dev->priv = lp; | |
1450 | ||
1451 | sprintf( lp->wds_port[count].dev->name, "wds%d", count ); | |
1452 | } | |
1453 | ||
1454 | /* Register the Tx handlers */ | |
1455 | lp->wds_port[0].dev->hard_start_xmit = &wl_tx_port1; | |
1456 | lp->wds_port[1].dev->hard_start_xmit = &wl_tx_port2; | |
1457 | lp->wds_port[2].dev->hard_start_xmit = &wl_tx_port3; | |
1458 | lp->wds_port[3].dev->hard_start_xmit = &wl_tx_port4; | |
1459 | lp->wds_port[4].dev->hard_start_xmit = &wl_tx_port5; | |
1460 | lp->wds_port[5].dev->hard_start_xmit = &wl_tx_port6; | |
1461 | ||
1462 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
68c0bdff HG |
1463 | } // wl_wds_device_alloc |
1464 | /*============================================================================*/ | |
1465 | ||
1466 | /******************************************************************************* | |
1467 | * wl_wds_device_dealloc() | |
1468 | ******************************************************************************* | |
1469 | * | |
1470 | * DESCRIPTION: | |
1471 | * | |
1472 | * Free instances of net_device structures used to support WDS. | |
1473 | * | |
1474 | * PARAMETERS: | |
1475 | * | |
1476 | * lp - a pointer to the device's private adapter structure | |
1477 | * | |
1478 | * RETURNS: | |
1479 | * | |
1480 | * N/A | |
1481 | * | |
1482 | ******************************************************************************/ | |
1483 | void wl_wds_device_dealloc( struct wl_private *lp ) | |
1484 | { | |
1485 | int count; | |
68c0bdff HG |
1486 | |
1487 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1488 | struct net_device *dev_wds = NULL; | |
1489 | ||
1490 | dev_wds = lp->wds_port[count].dev; | |
1491 | ||
1492 | if( dev_wds != NULL ) { | |
1493 | if( dev_wds->flags & IFF_UP ) { | |
1494 | dev_close( dev_wds ); | |
1495 | dev_wds->flags &= ~( IFF_UP | IFF_RUNNING ); | |
1496 | } | |
1497 | ||
b37e0c61 | 1498 | free_netdev(dev_wds); |
68c0bdff HG |
1499 | lp->wds_port[count].dev = NULL; |
1500 | } | |
1501 | } | |
68c0bdff HG |
1502 | } // wl_wds_device_dealloc |
1503 | /*============================================================================*/ | |
1504 | ||
1505 | /******************************************************************************* | |
1506 | * wl_wds_netif_start_queue() | |
1507 | ******************************************************************************* | |
1508 | * | |
1509 | * DESCRIPTION: | |
1510 | * | |
1511 | * Used to start the netif queues of all the "virtual" network devices | |
86f9150c | 1512 | * which represent the WDS ports. |
68c0bdff HG |
1513 | * |
1514 | * PARAMETERS: | |
1515 | * | |
1516 | * lp - a pointer to the device's private adapter structure | |
1517 | * | |
1518 | * RETURNS: | |
1519 | * | |
1520 | * N/A | |
1521 | * | |
1522 | ******************************************************************************/ | |
1523 | void wl_wds_netif_start_queue( struct wl_private *lp ) | |
1524 | { | |
1525 | int count; | |
1526 | /*------------------------------------------------------------------------*/ | |
1527 | ||
1528 | if( lp != NULL ) { | |
1529 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1530 | if( lp->wds_port[count].is_registered && | |
1531 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1532 | netif_start_queue( lp->wds_port[count].dev ); | |
1533 | lp->wds_port[count].netif_queue_on = TRUE; | |
1534 | } | |
1535 | } | |
1536 | } | |
68c0bdff HG |
1537 | } // wl_wds_netif_start_queue |
1538 | /*============================================================================*/ | |
1539 | ||
1540 | /******************************************************************************* | |
1541 | * wl_wds_netif_stop_queue() | |
1542 | ******************************************************************************* | |
1543 | * | |
1544 | * DESCRIPTION: | |
1545 | * | |
1546 | * Used to stop the netif queues of all the "virtual" network devices | |
86f9150c | 1547 | * which represent the WDS ports. |
68c0bdff HG |
1548 | * |
1549 | * PARAMETERS: | |
1550 | * | |
1551 | * lp - a pointer to the device's private adapter structure | |
1552 | * | |
1553 | * RETURNS: | |
1554 | * | |
1555 | * N/A | |
1556 | * | |
1557 | ******************************************************************************/ | |
1558 | void wl_wds_netif_stop_queue( struct wl_private *lp ) | |
1559 | { | |
1560 | int count; | |
1561 | /*------------------------------------------------------------------------*/ | |
1562 | ||
1563 | if( lp != NULL ) { | |
1564 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1565 | if( lp->wds_port[count].is_registered && | |
1566 | lp->wds_port[count].netif_queue_on == TRUE ) { | |
1567 | netif_stop_queue( lp->wds_port[count].dev ); | |
1568 | lp->wds_port[count].netif_queue_on = FALSE; | |
1569 | } | |
1570 | } | |
1571 | } | |
68c0bdff HG |
1572 | } // wl_wds_netif_stop_queue |
1573 | /*============================================================================*/ | |
1574 | ||
1575 | /******************************************************************************* | |
1576 | * wl_wds_netif_wake_queue() | |
1577 | ******************************************************************************* | |
1578 | * | |
1579 | * DESCRIPTION: | |
1580 | * | |
1581 | * Used to wake the netif queues of all the "virtual" network devices | |
86f9150c | 1582 | * which represent the WDS ports. |
68c0bdff HG |
1583 | * |
1584 | * PARAMETERS: | |
1585 | * | |
1586 | * lp - a pointer to the device's private adapter structure | |
1587 | * | |
1588 | * RETURNS: | |
1589 | * | |
1590 | * N/A | |
1591 | * | |
1592 | ******************************************************************************/ | |
1593 | void wl_wds_netif_wake_queue( struct wl_private *lp ) | |
1594 | { | |
1595 | int count; | |
1596 | /*------------------------------------------------------------------------*/ | |
1597 | ||
1598 | if( lp != NULL ) { | |
1599 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1600 | if( lp->wds_port[count].is_registered && | |
1601 | lp->wds_port[count].netif_queue_on == FALSE ) { | |
1602 | netif_wake_queue( lp->wds_port[count].dev ); | |
1603 | lp->wds_port[count].netif_queue_on = TRUE; | |
1604 | } | |
1605 | } | |
1606 | } | |
68c0bdff HG |
1607 | } // wl_wds_netif_wake_queue |
1608 | /*============================================================================*/ | |
1609 | ||
1610 | /******************************************************************************* | |
1611 | * wl_wds_netif_carrier_on() | |
1612 | ******************************************************************************* | |
1613 | * | |
1614 | * DESCRIPTION: | |
1615 | * | |
1616 | * Used to signal the network layer that carrier is present on all of the | |
86f9150c | 1617 | * "virtual" network devices which represent the WDS ports. |
68c0bdff HG |
1618 | * |
1619 | * PARAMETERS: | |
1620 | * | |
1621 | * lp - a pointer to the device's private adapter structure | |
1622 | * | |
1623 | * RETURNS: | |
1624 | * | |
1625 | * N/A | |
1626 | * | |
1627 | ******************************************************************************/ | |
1628 | void wl_wds_netif_carrier_on( struct wl_private *lp ) | |
1629 | { | |
1630 | int count; | |
1631 | /*------------------------------------------------------------------------*/ | |
1632 | ||
1633 | if( lp != NULL ) { | |
1634 | for( count = 0; count < NUM_WDS_PORTS; count++ ) { | |
1635 | if( lp->wds_port[count].is_registered ) { | |
1636 | netif_carrier_on( lp->wds_port[count].dev ); | |
1637 | } | |
1638 | } | |
1639 | } | |
68c0bdff HG |
1640 | } // wl_wds_netif_carrier_on |
1641 | /*============================================================================*/ | |
1642 | ||
1643 | /******************************************************************************* | |
1644 | * wl_wds_netif_carrier_off() | |
1645 | ******************************************************************************* | |
1646 | * | |
1647 | * DESCRIPTION: | |
1648 | * | |
1649 | * Used to signal the network layer that carrier is NOT present on all of | |
86f9150c | 1650 | * the "virtual" network devices which represent the WDS ports. |
68c0bdff HG |
1651 | * |
1652 | * PARAMETERS: | |
1653 | * | |
1654 | * lp - a pointer to the device's private adapter structure | |
1655 | * | |
1656 | * RETURNS: | |
1657 | * | |
1658 | * N/A | |
1659 | * | |
1660 | ******************************************************************************/ | |
1661 | void wl_wds_netif_carrier_off( struct wl_private *lp ) | |
1662 | { | |
a350d1fd | 1663 | int count; |
68c0bdff | 1664 | |
e4d653f3 DN |
1665 | if(lp != NULL) { |
1666 | for(count = 0; count < NUM_WDS_PORTS; count++) { | |
1667 | if(lp->wds_port[count].is_registered) | |
1668 | netif_carrier_off(lp->wds_port[count].dev); | |
a350d1fd DN |
1669 | } |
1670 | } | |
68c0bdff | 1671 | |
68c0bdff HG |
1672 | } // wl_wds_netif_carrier_off |
1673 | /*============================================================================*/ | |
1674 | ||
1675 | #endif /* USE_WDS */ | |
1676 | ||
1677 | #ifdef ENABLE_DMA | |
1678 | /******************************************************************************* | |
1679 | * wl_send_dma() | |
1680 | ******************************************************************************* | |
1681 | * | |
1682 | * DESCRIPTION: | |
1683 | * | |
1684 | * The routine which performs data transmits when using busmaster DMA. | |
1685 | * | |
1686 | * PARAMETERS: | |
1687 | * | |
1688 | * lp - a pointer to the device's wl_private struct. | |
1689 | * skb - a pointer to the network layer's data buffer. | |
1690 | * port - the Hermes port on which to transmit. | |
1691 | * | |
1692 | * RETURNS: | |
1693 | * | |
1694 | * 0 on success | |
1695 | * 1 on error | |
1696 | * | |
1697 | ******************************************************************************/ | |
1698 | int wl_send_dma( struct wl_private *lp, struct sk_buff *skb, int port ) | |
1699 | { | |
1700 | int len; | |
1701 | DESC_STRCT *desc = NULL; | |
1702 | DESC_STRCT *desc_next = NULL; | |
1703 | /*------------------------------------------------------------------------*/ | |
1704 | ||
3cf7c7aa | 1705 | if( lp == NULL ) { |
68c0bdff HG |
1706 | DBG_ERROR( DbgInfo, "Private adapter struct is NULL\n" ); |
1707 | return FALSE; | |
1708 | } | |
1709 | ||
3cf7c7aa | 1710 | if( lp->dev == NULL ) { |
68c0bdff HG |
1711 | DBG_ERROR( DbgInfo, "net_device struct in wl_private is NULL\n" ); |
1712 | return FALSE; | |
1713 | } | |
1714 | ||
1715 | /* AGAIN, ALL THE QUEUEING DONE HERE IN I/O MODE IS NOT PERFORMED */ | |
1716 | ||
3cf7c7aa | 1717 | if( skb == NULL ) { |
68c0bdff HG |
1718 | DBG_WARNING (DbgInfo, "Nothing to send.\n"); |
1719 | return FALSE; | |
1720 | } | |
1721 | ||
1722 | len = skb->len; | |
1723 | ||
1724 | /* Get a free descriptor */ | |
1725 | desc = wl_pci_dma_get_tx_packet( lp ); | |
1726 | ||
3cf7c7aa | 1727 | if( desc == NULL ) { |
68c0bdff HG |
1728 | if( lp->netif_queue_on == TRUE ) { |
1729 | netif_stop_queue( lp->dev ); | |
1730 | WL_WDS_NETIF_STOP_QUEUE( lp ); | |
1731 | lp->netif_queue_on = FALSE; | |
1732 | ||
1733 | dev_kfree_skb( skb ); | |
1734 | return 0; | |
1735 | } | |
1736 | } | |
1737 | ||
1738 | SET_BUF_CNT( desc, /*HCF_DMA_FD_CNT*/HFS_ADDR_DEST ); | |
1739 | SET_BUF_SIZE( desc, HCF_DMA_TX_BUF1_SIZE ); | |
1740 | ||
1741 | desc_next = desc->next_desc_addr; | |
1742 | ||
3cf7c7aa | 1743 | if( desc_next->buf_addr == NULL ) { |
68c0bdff HG |
1744 | DBG_ERROR( DbgInfo, "DMA descriptor buf_addr is NULL\n" ); |
1745 | return FALSE; | |
1746 | } | |
1747 | ||
1748 | /* Copy the payload into the DMA packet */ | |
1749 | memcpy( desc_next->buf_addr, skb->data, len ); | |
1750 | ||
1751 | SET_BUF_CNT( desc_next, len ); | |
1752 | SET_BUF_SIZE( desc_next, HCF_MAX_PACKET_SIZE ); | |
1753 | ||
1754 | hcf_dma_tx_put( &( lp->hcfCtx ), desc, 0 ); | |
1755 | ||
1756 | /* Free the skb and perform queue cleanup, as the buffer was | |
1757 | transmitted successfully */ | |
1758 | dev_kfree_skb( skb ); | |
1759 | ||
1760 | return TRUE; | |
1761 | } // wl_send_dma | |
1762 | /*============================================================================*/ | |
1763 | ||
1764 | /******************************************************************************* | |
1765 | * wl_rx_dma() | |
1766 | ******************************************************************************* | |
1767 | * | |
1768 | * DESCRIPTION: | |
1769 | * | |
1770 | * The routine which performs data reception when using busmaster DMA. | |
1771 | * | |
1772 | * PARAMETERS: | |
1773 | * | |
1774 | * dev - a pointer to the device's net_device structure. | |
1775 | * | |
1776 | * RETURNS: | |
1777 | * | |
1778 | * 0 on success | |
1779 | * 1 on error | |
1780 | * | |
1781 | ******************************************************************************/ | |
1782 | int wl_rx_dma( struct net_device *dev ) | |
1783 | { | |
1784 | int port; | |
1785 | hcf_16 pktlen; | |
1786 | hcf_16 hfs_stat; | |
1787 | struct sk_buff *skb; | |
1788 | struct wl_private *lp = NULL; | |
1789 | DESC_STRCT *desc, *desc_next; | |
1790 | //CFG_MB_INFO_RANGE2_STRCT x; | |
1791 | /*------------------------------------------------------------------------*/ | |
1792 | ||
68c0bdff HG |
1793 | DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev); |
1794 | ||
c755a828 KV |
1795 | if((( lp = dev->priv ) != NULL ) && |
1796 | !( lp->flags & WVLAN2_UIL_BUSY )) { | |
68c0bdff HG |
1797 | |
1798 | #ifdef USE_RTS | |
1799 | if( lp->useRTS == 1 ) { | |
1800 | DBG_PRINT( "RTS: We're getting an Rx...\n" ); | |
1801 | return -EIO; | |
1802 | } | |
1803 | #endif /* USE_RTS */ | |
1804 | ||
1805 | //if( lp->dma.status == 0 ) | |
1806 | //{ | |
1807 | desc = hcf_dma_rx_get( &( lp->hcfCtx )); | |
1808 | ||
1809 | if( desc != NULL ) | |
1810 | { | |
1811 | /* Check and see if we rcvd. a WMP frame */ | |
1812 | /* | |
1813 | if((( *(hcf_8 *)&desc->buf_addr[HFS_STAT] ) & | |
1814 | ( HFS_STAT_MSG_TYPE | HFS_STAT_ERR )) == HFS_STAT_WMP_MSG ) | |
1815 | { | |
1816 | DBG_TRACE( DbgInfo, "Got a WMP frame\n" ); | |
1817 | ||
1818 | x.len = sizeof( CFG_MB_INFO_RANGE2_STRCT ) / sizeof( hcf_16 ); | |
1819 | x.typ = CFG_MB_INFO; | |
1820 | x.base_typ = CFG_WMP; | |
1821 | x.frag_cnt = 2; | |
1822 | x.frag_buf[0].frag_len = GET_BUF_CNT( descp ) / sizeof( hcf_16 ); | |
1823 | x.frag_buf[0].frag_addr = (hcf_8 *) descp->buf_addr ; | |
1824 | x.frag_buf[1].frag_len = ( GET_BUF_CNT( descp->next_desc_addr ) + 1 ) / sizeof( hcf_16 ); | |
1825 | x.frag_buf[1].frag_addr = (hcf_8 *) descp->next_desc_addr->buf_addr ; | |
1826 | ||
1827 | hcf_put_info( &( lp->hcfCtx ), (LTVP)&x ); | |
1828 | } | |
1829 | */ | |
1830 | ||
1831 | desc_next = desc->next_desc_addr; | |
1832 | ||
1833 | /* Make sure the buffer isn't empty */ | |
1834 | if( GET_BUF_CNT( desc ) == 0 ) { | |
1835 | DBG_WARNING( DbgInfo, "Buffer is empty!\n" ); | |
1836 | ||
1837 | /* Give the descriptor back to the HCF */ | |
1838 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1839 | return -EIO; | |
1840 | } | |
1841 | ||
1842 | /* Read the HFS_STAT register from the lookahead buffer */ | |
1843 | hfs_stat = (hcf_16)( desc->buf_addr[HFS_STAT/2] ); | |
1844 | ||
1845 | /* Make sure the frame isn't bad */ | |
1846 | if(( hfs_stat & HFS_STAT_ERR ) != HCF_SUCCESS ) | |
1847 | { | |
1848 | DBG_WARNING( DbgInfo, "HFS_STAT_ERROR (0x%x) in Rx Packet\n", | |
1849 | desc->buf_addr[HFS_STAT/2] ); | |
1850 | ||
1851 | /* Give the descriptor back to the HCF */ | |
1852 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1853 | return -EIO; | |
1854 | } | |
1855 | ||
1856 | /* Determine what port this packet is for */ | |
1857 | port = ( hfs_stat >> 8 ) & 0x0007; | |
1858 | DBG_RX( DbgInfo, "Rx frame for port %d\n", port ); | |
1859 | ||
491dbc8d JP |
1860 | pktlen = GET_BUF_CNT(desc_next); |
1861 | if (pktlen != 0) { | |
1862 | skb = ALLOC_SKB(pktlen); | |
1863 | if (skb != NULL) { | |
68c0bdff HG |
1864 | switch( port ) { |
1865 | #ifdef USE_WDS | |
1866 | case 1: | |
1867 | case 2: | |
1868 | case 3: | |
1869 | case 4: | |
1870 | case 5: | |
1871 | case 6: | |
1872 | skb->dev = lp->wds_port[port-1].dev; | |
1873 | break; | |
1874 | #endif /* USE_WDS */ | |
1875 | ||
1876 | case 0: | |
1877 | default: | |
1878 | skb->dev = dev; | |
1879 | break; | |
1880 | } | |
1881 | ||
1882 | GET_PACKET_DMA( skb->dev, skb, pktlen ); | |
1883 | ||
1884 | /* Give the descriptor back to the HCF */ | |
1885 | hcf_dma_rx_put( &( lp->hcfCtx ), desc ); | |
1886 | ||
1887 | netif_rx( skb ); | |
1888 | ||
1889 | if( port == 0 ) { | |
1890 | lp->stats.rx_packets++; | |
1891 | lp->stats.rx_bytes += pktlen; | |
1892 | } | |
1893 | #ifdef USE_WDS | |
1894 | else | |
1895 | { | |
1896 | lp->wds_port[port-1].stats.rx_packets++; | |
1897 | lp->wds_port[port-1].stats.rx_bytes += pktlen; | |
1898 | } | |
1899 | #endif /* USE_WDS */ | |
1900 | ||
1901 | dev->last_rx = jiffies; | |
1902 | ||
1903 | } else { | |
1904 | DBG_ERROR( DbgInfo, "Could not alloc skb\n" ); | |
1905 | ||
1906 | if( port == 0 ) | |
1907 | { | |
1908 | lp->stats.rx_dropped++; | |
1909 | } | |
1910 | #ifdef USE_WDS | |
1911 | else | |
1912 | { | |
1913 | lp->wds_port[port-1].stats.rx_dropped++; | |
1914 | } | |
1915 | #endif /* USE_WDS */ | |
1916 | } | |
1917 | } | |
1918 | } | |
1919 | //} | |
1920 | } | |
1921 | ||
1922 | return 0; | |
1923 | } // wl_rx_dma | |
1924 | /*============================================================================*/ | |
1925 | #endif // ENABLE_DMA |