Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | * |
Al Viro | d36b691 | 2011-12-29 17:09:01 -0500 | [diff] [blame^] | 26 | * Copyright © 2003 Agere Systems Inc. |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | * |
Al Viro | d36b691 | 2011-12-29 17:09:01 -0500 | [diff] [blame^] | 47 | * THIS SOFTWARE IS PROVIDED AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES, |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 62 | /******************************************************************************* |
| 63 | * include files |
| 64 | ******************************************************************************/ |
| 65 | #include <wl_version.h> |
| 66 | |
| 67 | #include <linux/module.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 68 | #include <linux/slab.h> |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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. */ |
David Kilroy | 8bf9053 | 2011-10-01 09:43:48 +0100 | [diff] [blame] | 220 | DBG_TRACE(DbgInfo, "%s: %s called.\n", dev->name, __func__); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 ) { |
Adam Buchbinder | 2ed71d5 | 2009-12-18 15:43:50 -0500 | [diff] [blame] | 364 | // Unsuccessful, try reset of the card to recover |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Joe Perches | 491dbc8 | 2010-03-24 22:17:07 -0700 | [diff] [blame] | 928 | pktlen = lp->hcfCtx.IFB_RxLen; |
| 929 | if (pktlen != 0) { |
| 930 | skb = ALLOC_SKB(pktlen); |
| 931 | if (skb != NULL) { |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1050 | struct netdev_hw_addr *ha; |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1071 | DBG_PRINT( " mc_count: %d\n", netdev_mc_count(dev)); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1072 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1073 | netdev_for_each_mc_addr(ha, dev) |
Andy Shevchenko | 2b6d83d | 2010-10-16 13:11:12 +0300 | [diff] [blame] | 1074 | DBG_PRINT(" %pM (%d)\n", ha->addr, dev->addr_len); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | } |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1101 | else if ((netdev_mc_count(dev) > HCF_MAX_MULTICAST) || |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | } |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1113 | else if (!netdev_mc_empty(dev)) { |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1114 | /* Set the multicast addresses */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 1115 | lp->ltvRecord.len = ( netdev_mc_count(dev) * 3 ) + 1; |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1116 | lp->ltvRecord.typ = CFG_GROUP_ADDR; |
| 1117 | |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 1118 | x = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1119 | netdev_for_each_mc_addr(ha, dev) |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 1120 | memcpy(&(lp->ltvRecord.u.u8[x++ * ETH_ALEN]), |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1121 | ha->addr, ETH_ALEN); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 1182 | .ndo_set_rx_mode = &wl_multicast, |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1189 | .ndo_tx_timeout = &wl_tx_timeout, |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1190 | |
| 1191 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 1192 | .ndo_poll_controller = wl_poll, |
| 1193 | #endif |
| 1194 | }; |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1248 | dev->netdev_ops = &wl_netdev_ops; |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1249 | |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 1250 | dev->watchdog_timeo = TX_TIMEOUT; |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Vasiliy Kulikov | b37e0c6 | 2010-09-28 21:08:11 +0400 | [diff] [blame] | 1588 | free_netdev(dev_wds); |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Kulikov Vasiliy | c755a82 | 2010-06-29 14:16:25 +0400 | [diff] [blame] | 1907 | if((( lp = dev->priv ) != NULL ) && |
| 1908 | !( lp->flags & WVLAN2_UIL_BUSY )) { |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 | |
Joe Perches | 491dbc8 | 2010-03-24 22:17:07 -0700 | [diff] [blame] | 1972 | pktlen = GET_BUF_CNT(desc_next); |
| 1973 | if (pktlen != 0) { |
| 1974 | skb = ALLOC_SKB(pktlen); |
| 1975 | if (skb != NULL) { |
Henk de Groot | 68c0bdf | 2009-09-27 11:12:52 +0200 | [diff] [blame] | 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 |