1 /* 2 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * Copyright (c) 2009, Intel Corporation 8 * All rights reserved. 9 */ 10 11 /* 12 * Copyright (c) 2006 13 * Copyright (c) 2007 14 * Damien Bergamini <damien.bergamini@free.fr> 15 * 16 * Permission to use, copy, modify, and distribute this software for any 17 * purpose with or without fee is hereby granted, provided that the above 18 * copyright notice and this permission notice appear in all copies. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 21 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 22 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 23 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 24 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 25 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 26 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 27 */ 28 29 /* 30 * Intel(R) WiFi Link 5100/5300 Driver 31 */ 32 33 #include <sys/types.h> 34 #include <sys/byteorder.h> 35 #include <sys/conf.h> 36 #include <sys/cmn_err.h> 37 #include <sys/stat.h> 38 #include <sys/ddi.h> 39 #include <sys/sunddi.h> 40 #include <sys/strsubr.h> 41 #include <sys/ethernet.h> 42 #include <inet/common.h> 43 #include <inet/nd.h> 44 #include <inet/mi.h> 45 #include <sys/note.h> 46 #include <sys/stream.h> 47 #include <sys/strsun.h> 48 #include <sys/modctl.h> 49 #include <sys/devops.h> 50 #include <sys/dlpi.h> 51 #include <sys/mac_provider.h> 52 #include <sys/mac_wifi.h> 53 #include <sys/net80211.h> 54 #include <sys/net80211_proto.h> 55 #include <sys/net80211_ht.h> 56 #include <sys/varargs.h> 57 #include <sys/policy.h> 58 #include <sys/pci.h> 59 60 #include "iwh_calibration.h" 61 #include "iwh_hw.h" 62 #include "iwh_eeprom.h" 63 #include "iwh_var.h" 64 #include <inet/wifi_ioctl.h> 65 66 #ifdef DEBUG 67 #define IWH_DEBUG_80211 (1 << 0) 68 #define IWH_DEBUG_CMD (1 << 1) 69 #define IWH_DEBUG_DMA (1 << 2) 70 #define IWH_DEBUG_EEPROM (1 << 3) 71 #define IWH_DEBUG_FW (1 << 4) 72 #define IWH_DEBUG_HW (1 << 5) 73 #define IWH_DEBUG_INTR (1 << 6) 74 #define IWH_DEBUG_MRR (1 << 7) 75 #define IWH_DEBUG_PIO (1 << 8) 76 #define IWH_DEBUG_RX (1 << 9) 77 #define IWH_DEBUG_SCAN (1 << 10) 78 #define IWH_DEBUG_TX (1 << 11) 79 #define IWH_DEBUG_RATECTL (1 << 12) 80 #define IWH_DEBUG_RADIO (1 << 13) 81 #define IWH_DEBUG_RESUME (1 << 14) 82 #define IWH_DEBUG_CALIBRATION (1 << 15) 83 #define IWH_DEBUG_BA (1 << 16) 84 #define IWH_DEBUG_RXON (1 << 17) 85 #define IWH_DEBUG_HWRATE (1 << 18) 86 #define IWH_DEBUG_HTRATE (1 << 19) 87 #define IWH_DEBUG_QOS (1 << 20) 88 /* 89 * if want to see debug message of a given section, 90 * please set this flag to one of above values 91 */ 92 uint32_t iwh_dbg_flags = 0; 93 #define IWH_DBG(x) \ 94 iwh_dbg x 95 #else 96 #define IWH_DBG(x) 97 #endif 98 99 #define MS(v, f) (((v) & f) >> f##_S) 100 101 static void *iwh_soft_state_p = NULL; 102 103 /* 104 * ucode will be compiled into driver image 105 */ 106 static uint8_t iwh_fw_5000_bin[] = { 107 #include "fw-iw/fw_5000/iwh_5000.ucode" 108 }; 109 110 static uint8_t iwh_fw_5150_bin[] = { 111 #include "fw-iw/fw_5150/iwh_5150.ucode" 112 }; 113 114 /* 115 * DMA attributes for a shared page 116 */ 117 static ddi_dma_attr_t sh_dma_attr = { 118 DMA_ATTR_V0, /* version of this structure */ 119 0, /* lowest usable address */ 120 0xffffffffU, /* highest usable address */ 121 0xffffffffU, /* maximum DMAable byte count */ 122 0x1000, /* alignment in bytes */ 123 0x1000, /* burst sizes (any?) */ 124 1, /* minimum transfer */ 125 0xffffffffU, /* maximum transfer */ 126 0xffffffffU, /* maximum segment length */ 127 1, /* maximum number of segments */ 128 1, /* granularity */ 129 0, /* flags (reserved) */ 130 }; 131 132 /* 133 * DMA attributes for a keep warm DRAM descriptor 134 */ 135 static ddi_dma_attr_t kw_dma_attr = { 136 DMA_ATTR_V0, /* version of this structure */ 137 0, /* lowest usable address */ 138 0xffffffffU, /* highest usable address */ 139 0xffffffffU, /* maximum DMAable byte count */ 140 0x1000, /* alignment in bytes */ 141 0x1000, /* burst sizes (any?) */ 142 1, /* minimum transfer */ 143 0xffffffffU, /* maximum transfer */ 144 0xffffffffU, /* maximum segment length */ 145 1, /* maximum number of segments */ 146 1, /* granularity */ 147 0, /* flags (reserved) */ 148 }; 149 150 /* 151 * DMA attributes for a ring descriptor 152 */ 153 static ddi_dma_attr_t ring_desc_dma_attr = { 154 DMA_ATTR_V0, /* version of this structure */ 155 0, /* lowest usable address */ 156 0xffffffffU, /* highest usable address */ 157 0xffffffffU, /* maximum DMAable byte count */ 158 0x100, /* alignment in bytes */ 159 0x100, /* burst sizes (any?) */ 160 1, /* minimum transfer */ 161 0xffffffffU, /* maximum transfer */ 162 0xffffffffU, /* maximum segment length */ 163 1, /* maximum number of segments */ 164 1, /* granularity */ 165 0, /* flags (reserved) */ 166 }; 167 168 /* 169 * DMA attributes for a cmd 170 */ 171 static ddi_dma_attr_t cmd_dma_attr = { 172 DMA_ATTR_V0, /* version of this structure */ 173 0, /* lowest usable address */ 174 0xffffffffU, /* highest usable address */ 175 0xffffffffU, /* maximum DMAable byte count */ 176 4, /* alignment in bytes */ 177 0x100, /* burst sizes (any?) */ 178 1, /* minimum transfer */ 179 0xffffffffU, /* maximum transfer */ 180 0xffffffffU, /* maximum segment length */ 181 1, /* maximum number of segments */ 182 1, /* granularity */ 183 0, /* flags (reserved) */ 184 }; 185 186 /* 187 * DMA attributes for a rx buffer 188 */ 189 static ddi_dma_attr_t rx_buffer_dma_attr = { 190 DMA_ATTR_V0, /* version of this structure */ 191 0, /* lowest usable address */ 192 0xffffffffU, /* highest usable address */ 193 0xffffffffU, /* maximum DMAable byte count */ 194 0x100, /* alignment in bytes */ 195 0x100, /* burst sizes (any?) */ 196 1, /* minimum transfer */ 197 0xffffffffU, /* maximum transfer */ 198 0xffffffffU, /* maximum segment length */ 199 1, /* maximum number of segments */ 200 1, /* granularity */ 201 0, /* flags (reserved) */ 202 }; 203 204 /* 205 * DMA attributes for a tx buffer. 206 * the maximum number of segments is 4 for the hardware. 207 * now all the wifi drivers put the whole frame in a single 208 * descriptor, so we define the maximum number of segments 1, 209 * just the same as the rx_buffer. we consider leverage the HW 210 * ability in the future, that is why we don't define rx and tx 211 * buffer_dma_attr as the same. 212 */ 213 static ddi_dma_attr_t tx_buffer_dma_attr = { 214 DMA_ATTR_V0, /* version of this structure */ 215 0, /* lowest usable address */ 216 0xffffffffU, /* highest usable address */ 217 0xffffffffU, /* maximum DMAable byte count */ 218 4, /* alignment in bytes */ 219 0x100, /* burst sizes (any?) */ 220 1, /* minimum transfer */ 221 0xffffffffU, /* maximum transfer */ 222 0xffffffffU, /* maximum segment length */ 223 1, /* maximum number of segments */ 224 1, /* granularity */ 225 0, /* flags (reserved) */ 226 }; 227 228 /* 229 * DMA attributes for text and data part in the firmware 230 */ 231 static ddi_dma_attr_t fw_dma_attr = { 232 DMA_ATTR_V0, /* version of this structure */ 233 0, /* lowest usable address */ 234 0xffffffffU, /* highest usable address */ 235 0x7fffffff, /* maximum DMAable byte count */ 236 0x10, /* alignment in bytes */ 237 0x100, /* burst sizes (any?) */ 238 1, /* minimum transfer */ 239 0xffffffffU, /* maximum transfer */ 240 0xffffffffU, /* maximum segment length */ 241 1, /* maximum number of segments */ 242 1, /* granularity */ 243 0, /* flags (reserved) */ 244 }; 245 246 /* 247 * regs access attributes 248 */ 249 static ddi_device_acc_attr_t iwh_reg_accattr = { 250 DDI_DEVICE_ATTR_V0, 251 DDI_STRUCTURE_LE_ACC, 252 DDI_STRICTORDER_ACC, 253 DDI_DEFAULT_ACC 254 }; 255 256 /* 257 * DMA access attributes for descriptor 258 */ 259 static ddi_device_acc_attr_t iwh_dma_descattr = { 260 DDI_DEVICE_ATTR_V0, 261 DDI_STRUCTURE_LE_ACC, 262 DDI_STRICTORDER_ACC, 263 DDI_DEFAULT_ACC 264 }; 265 266 /* 267 * DMA access attributes 268 */ 269 static ddi_device_acc_attr_t iwh_dma_accattr = { 270 DDI_DEVICE_ATTR_V0, 271 DDI_NEVERSWAP_ACC, 272 DDI_STRICTORDER_ACC, 273 DDI_DEFAULT_ACC 274 }; 275 276 static int iwh_ring_init(iwh_sc_t *); 277 static void iwh_ring_free(iwh_sc_t *); 278 static int iwh_alloc_shared(iwh_sc_t *); 279 static void iwh_free_shared(iwh_sc_t *); 280 static int iwh_alloc_kw(iwh_sc_t *); 281 static void iwh_free_kw(iwh_sc_t *); 282 static int iwh_alloc_fw_dma(iwh_sc_t *); 283 static void iwh_free_fw_dma(iwh_sc_t *); 284 static int iwh_alloc_rx_ring(iwh_sc_t *); 285 static void iwh_reset_rx_ring(iwh_sc_t *); 286 static void iwh_free_rx_ring(iwh_sc_t *); 287 static int iwh_alloc_tx_ring(iwh_sc_t *, iwh_tx_ring_t *, 288 int, int); 289 static void iwh_reset_tx_ring(iwh_sc_t *, iwh_tx_ring_t *); 290 static void iwh_free_tx_ring(iwh_tx_ring_t *); 291 static ieee80211_node_t *iwh_node_alloc(ieee80211com_t *); 292 static void iwh_node_free(ieee80211_node_t *); 293 static int iwh_newstate(ieee80211com_t *, enum ieee80211_state, int); 294 static void iwh_mac_access_enter(iwh_sc_t *); 295 static void iwh_mac_access_exit(iwh_sc_t *); 296 static uint32_t iwh_reg_read(iwh_sc_t *, uint32_t); 297 static void iwh_reg_write(iwh_sc_t *, uint32_t, uint32_t); 298 static int iwh_load_init_firmware(iwh_sc_t *); 299 static int iwh_load_run_firmware(iwh_sc_t *); 300 static void iwh_tx_intr(iwh_sc_t *, iwh_rx_desc_t *); 301 static void iwh_cmd_intr(iwh_sc_t *, iwh_rx_desc_t *); 302 static uint_t iwh_intr(caddr_t, caddr_t); 303 static int iwh_eep_load(iwh_sc_t *); 304 static void iwh_get_mac_from_eep(iwh_sc_t *); 305 static int iwh_eep_sem_down(iwh_sc_t *); 306 static void iwh_eep_sem_up(iwh_sc_t *); 307 static uint_t iwh_rx_softintr(caddr_t, caddr_t); 308 static uint8_t iwh_rate_to_plcp(int); 309 static int iwh_cmd(iwh_sc_t *, int, const void *, int, int); 310 static void iwh_set_led(iwh_sc_t *, uint8_t, uint8_t, uint8_t); 311 static int iwh_hw_set_before_auth(iwh_sc_t *); 312 static int iwh_scan(iwh_sc_t *); 313 static int iwh_config(iwh_sc_t *); 314 static void iwh_stop_master(iwh_sc_t *); 315 static int iwh_power_up(iwh_sc_t *); 316 static int iwh_preinit(iwh_sc_t *); 317 static int iwh_init(iwh_sc_t *); 318 static void iwh_stop(iwh_sc_t *); 319 static int iwh_quiesce(dev_info_t *t); 320 static void iwh_amrr_init(iwh_amrr_t *); 321 static void iwh_amrr_timeout(iwh_sc_t *); 322 static void iwh_amrr_ratectl(void *, ieee80211_node_t *); 323 static void iwh_ucode_alive(iwh_sc_t *, iwh_rx_desc_t *); 324 static void iwh_rx_phy_intr(iwh_sc_t *, iwh_rx_desc_t *); 325 static void iwh_rx_mpdu_intr(iwh_sc_t *, iwh_rx_desc_t *); 326 static void iwh_release_calib_buffer(iwh_sc_t *); 327 static int iwh_init_common(iwh_sc_t *); 328 static uint8_t *iwh_eep_addr_trans(iwh_sc_t *, uint32_t); 329 static int iwh_put_seg_fw(iwh_sc_t *, uint32_t, uint32_t, uint32_t); 330 static int iwh_alive_common(iwh_sc_t *); 331 static void iwh_save_calib_result(iwh_sc_t *, iwh_rx_desc_t *); 332 static int iwh_tx_power_table(iwh_sc_t *, int); 333 static int iwh_attach(dev_info_t *, ddi_attach_cmd_t); 334 static int iwh_detach(dev_info_t *, ddi_detach_cmd_t); 335 static void iwh_destroy_locks(iwh_sc_t *); 336 static int iwh_send(ieee80211com_t *, mblk_t *, uint8_t); 337 static void iwh_thread(iwh_sc_t *); 338 static int iwh_run_state_config(iwh_sc_t *); 339 static int iwh_fast_recover(iwh_sc_t *); 340 static int iwh_wme_update(ieee80211com_t *); 341 static int iwh_qosparam_to_hw(iwh_sc_t *, int); 342 static int iwh_wme_to_qos_ac(int); 343 static uint16_t iwh_cw_e_to_cw(uint8_t); 344 static int iwh_wmeparam_check(struct wmeParams *); 345 static inline int iwh_wme_tid_qos_ac(int); 346 static inline int iwh_qos_ac_to_txq(int); 347 static int iwh_wme_tid_to_txq(int); 348 static void iwh_init_ht_conf(iwh_sc_t *); 349 static void iwh_overwrite_11n_rateset(iwh_sc_t *); 350 static void iwh_overwrite_ic_default(iwh_sc_t *); 351 static void iwh_config_rxon_chain(iwh_sc_t *); 352 static int iwh_add_ap_sta(iwh_sc_t *); 353 static int iwh_ap_lq(iwh_sc_t *); 354 static void iwh_recv_action(struct ieee80211_node *, 355 const uint8_t *, const uint8_t *); 356 static int iwh_send_action(struct ieee80211_node *, 357 int, int, uint16_t[4]); 358 static int iwh_is_max_rate(ieee80211_node_t *); 359 static int iwh_is_min_rate(ieee80211_node_t *); 360 static void iwh_increase_rate(ieee80211_node_t *); 361 static void iwh_decrease_rate(ieee80211_node_t *); 362 static int iwh_alloc_dma_mem(iwh_sc_t *, size_t, 363 ddi_dma_attr_t *, ddi_device_acc_attr_t *, 364 uint_t, iwh_dma_t *); 365 static void iwh_free_dma_mem(iwh_dma_t *); 366 static int iwh_reset_hw(iwh_sc_t *); 367 368 /* 369 * GLD specific operations 370 */ 371 static int iwh_m_stat(void *, uint_t, uint64_t *); 372 static int iwh_m_start(void *); 373 static void iwh_m_stop(void *); 374 static int iwh_m_unicst(void *, const uint8_t *); 375 static int iwh_m_multicst(void *, boolean_t, const uint8_t *); 376 static int iwh_m_promisc(void *, boolean_t); 377 static mblk_t *iwh_m_tx(void *, mblk_t *); 378 static void iwh_m_ioctl(void *, queue_t *, mblk_t *); 379 static int iwh_m_setprop(void *arg, const char *pr_name, 380 mac_prop_id_t wldp_pr_num, uint_t wldp_length, const void *wldp_buf); 381 static int iwh_m_getprop(void *arg, const char *pr_name, 382 mac_prop_id_t wldp_pr_num, uint_t wldp_length, 383 void *wldp_buf); 384 static void iwh_m_propinfo(void *arg, const char *pr_name, 385 mac_prop_id_t wldp_pr_num, mac_prop_info_handle_t mph); 386 387 /* 388 * Supported rates for 802.11b/g modes (in 500Kbps unit). 389 */ 390 static const struct ieee80211_rateset iwh_rateset_11b = 391 { 4, { 2, 4, 11, 22 } }; 392 393 static const struct ieee80211_rateset iwh_rateset_11g = 394 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 395 396 /* 397 * Default 11n reates supported by this station. 398 */ 399 extern struct ieee80211_htrateset ieee80211_rateset_11n; 400 401 /* 402 * For mfthread only 403 */ 404 extern pri_t minclsyspri; 405 406 #define DRV_NAME_SP "iwh" 407 408 /* 409 * Module Loading Data & Entry Points 410 */ 411 DDI_DEFINE_STREAM_OPS(iwh_devops, nulldev, nulldev, iwh_attach, 412 iwh_detach, nodev, NULL, D_MP, NULL, iwh_quiesce); 413 414 static struct modldrv iwh_modldrv = { 415 &mod_driverops, 416 "Intel(R) ShirleyPeak/EchoPeak driver(N)", 417 &iwh_devops 418 }; 419 420 static struct modlinkage iwh_modlinkage = { 421 MODREV_1, 422 &iwh_modldrv, 423 NULL 424 }; 425 426 int 427 _init(void) 428 { 429 int status; 430 431 status = ddi_soft_state_init(&iwh_soft_state_p, 432 sizeof (iwh_sc_t), 1); 433 if (status != DDI_SUCCESS) { 434 return (status); 435 } 436 437 mac_init_ops(&iwh_devops, DRV_NAME_SP); 438 status = mod_install(&iwh_modlinkage); 439 if (status != DDI_SUCCESS) { 440 mac_fini_ops(&iwh_devops); 441 ddi_soft_state_fini(&iwh_soft_state_p); 442 } 443 444 return (status); 445 } 446 447 int 448 _fini(void) 449 { 450 int status; 451 452 status = mod_remove(&iwh_modlinkage); 453 if (DDI_SUCCESS == status) { 454 mac_fini_ops(&iwh_devops); 455 ddi_soft_state_fini(&iwh_soft_state_p); 456 } 457 458 return (status); 459 } 460 461 int 462 _info(struct modinfo *mip) 463 { 464 return (mod_info(&iwh_modlinkage, mip)); 465 } 466 467 /* 468 * Mac Call Back entries 469 */ 470 mac_callbacks_t iwh_m_callbacks = { 471 MC_IOCTL | MC_SETPROP | MC_GETPROP | MC_PROPINFO, 472 iwh_m_stat, 473 iwh_m_start, 474 iwh_m_stop, 475 iwh_m_promisc, 476 iwh_m_multicst, 477 iwh_m_unicst, 478 iwh_m_tx, 479 NULL, 480 iwh_m_ioctl, 481 NULL, 482 NULL, 483 NULL, 484 iwh_m_setprop, 485 iwh_m_getprop, 486 iwh_m_propinfo 487 }; 488 489 #ifdef DEBUG 490 void 491 iwh_dbg(uint32_t flags, const char *fmt, ...) 492 { 493 va_list ap; 494 495 if (flags & iwh_dbg_flags) { 496 va_start(ap, fmt); 497 vcmn_err(CE_NOTE, fmt, ap); 498 va_end(ap); 499 } 500 } 501 #endif /* DEBUG */ 502 503 /* 504 * device operations 505 */ 506 int 507 iwh_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 508 { 509 iwh_sc_t *sc; 510 ieee80211com_t *ic; 511 int instance, i; 512 char strbuf[32]; 513 wifi_data_t wd = { 0 }; 514 mac_register_t *macp; 515 int intr_type; 516 int intr_count; 517 int intr_actual; 518 int err = DDI_FAILURE; 519 520 switch (cmd) { 521 case DDI_ATTACH: 522 break; 523 524 case DDI_RESUME: 525 instance = ddi_get_instance(dip); 526 sc = ddi_get_soft_state(iwh_soft_state_p, 527 instance); 528 ASSERT(sc != NULL); 529 530 if (sc->sc_flags & IWH_F_RUNNING) { 531 (void) iwh_init(sc); 532 } 533 534 atomic_and_32(&sc->sc_flags, ~IWH_F_SUSPEND); 535 536 IWH_DBG((IWH_DEBUG_RESUME, "iwh_attach(): " 537 "resume\n")); 538 return (DDI_SUCCESS); 539 540 default: 541 goto attach_fail1; 542 } 543 544 instance = ddi_get_instance(dip); 545 err = ddi_soft_state_zalloc(iwh_soft_state_p, instance); 546 if (err != DDI_SUCCESS) { 547 cmn_err(CE_WARN, "iwh_attach(): " 548 "failed to allocate soft state\n"); 549 goto attach_fail1; 550 } 551 552 sc = ddi_get_soft_state(iwh_soft_state_p, instance); 553 ASSERT(sc != NULL); 554 555 sc->sc_dip = dip; 556 557 /* 558 * map configure space 559 */ 560 err = ddi_regs_map_setup(dip, 0, &sc->sc_cfg_base, 0, 0, 561 &iwh_reg_accattr, &sc->sc_cfg_handle); 562 if (err != DDI_SUCCESS) { 563 cmn_err(CE_WARN, "iwh_attach(): " 564 "failed to map config spaces regs\n"); 565 goto attach_fail2; 566 } 567 568 sc->sc_dev_id = ddi_get16(sc->sc_cfg_handle, 569 (uint16_t *)(sc->sc_cfg_base + PCI_CONF_DEVID)); 570 if ((sc->sc_dev_id != 0x4232) && 571 (sc->sc_dev_id != 0x4235) && 572 (sc->sc_dev_id != 0x4236) && 573 (sc->sc_dev_id != 0x4237) && 574 (sc->sc_dev_id != 0x423a) && 575 (sc->sc_dev_id != 0x423b) && 576 (sc->sc_dev_id != 0x423c) && 577 (sc->sc_dev_id != 0x423d)) { 578 cmn_err(CE_WARN, "iwh_attach(): " 579 "Do not support this device\n"); 580 goto attach_fail3; 581 } 582 583 iwh_init_ht_conf(sc); 584 iwh_overwrite_11n_rateset(sc); 585 586 sc->sc_rev = ddi_get8(sc->sc_cfg_handle, 587 (uint8_t *)(sc->sc_cfg_base + PCI_CONF_REVID)); 588 589 /* 590 * keep from disturbing C3 state of CPU 591 */ 592 ddi_put8(sc->sc_cfg_handle, (uint8_t *)(sc->sc_cfg_base + 593 PCI_CFG_RETRY_TIMEOUT), 0); 594 595 /* 596 * determine the size of buffer for frame and command to ucode 597 */ 598 sc->sc_clsz = ddi_get16(sc->sc_cfg_handle, 599 (uint16_t *)(sc->sc_cfg_base + PCI_CONF_CACHE_LINESZ)); 600 if (!sc->sc_clsz) { 601 sc->sc_clsz = 16; 602 } 603 sc->sc_clsz = (sc->sc_clsz << 2); 604 605 sc->sc_dmabuf_sz = roundup(0x2000 + sizeof (struct ieee80211_frame) + 606 IEEE80211_MTU + IEEE80211_CRC_LEN + 607 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + 608 IEEE80211_WEP_CRCLEN), sc->sc_clsz); 609 610 /* 611 * Map operating registers 612 */ 613 err = ddi_regs_map_setup(dip, 1, &sc->sc_base, 614 0, 0, &iwh_reg_accattr, &sc->sc_handle); 615 if (err != DDI_SUCCESS) { 616 cmn_err(CE_WARN, "iwh_attach(): " 617 "failed to map device regs\n"); 618 goto attach_fail3; 619 } 620 621 /* 622 * this is used to differentiate type of hardware 623 */ 624 sc->sc_hw_rev = IWH_READ(sc, CSR_HW_REV); 625 626 err = ddi_intr_get_supported_types(dip, &intr_type); 627 if ((err != DDI_SUCCESS) || (!(intr_type & DDI_INTR_TYPE_FIXED))) { 628 cmn_err(CE_WARN, "iwh_attach(): " 629 "fixed type interrupt is not supported\n"); 630 goto attach_fail4; 631 } 632 633 err = ddi_intr_get_nintrs(dip, DDI_INTR_TYPE_FIXED, &intr_count); 634 if ((err != DDI_SUCCESS) || (intr_count != 1)) { 635 cmn_err(CE_WARN, "iwh_attach(): " 636 "no fixed interrupts\n"); 637 goto attach_fail4; 638 } 639 640 sc->sc_intr_htable = kmem_zalloc(sizeof (ddi_intr_handle_t), KM_SLEEP); 641 642 err = ddi_intr_alloc(dip, sc->sc_intr_htable, DDI_INTR_TYPE_FIXED, 0, 643 intr_count, &intr_actual, 0); 644 if ((err != DDI_SUCCESS) || (intr_actual != 1)) { 645 cmn_err(CE_WARN, "iwh_attach(): " 646 "ddi_intr_alloc() failed 0x%x\n", err); 647 goto attach_fail5; 648 } 649 650 err = ddi_intr_get_pri(sc->sc_intr_htable[0], &sc->sc_intr_pri); 651 if (err != DDI_SUCCESS) { 652 cmn_err(CE_WARN, "iwh_attach(): " 653 "ddi_intr_get_pri() failed 0x%x\n", err); 654 goto attach_fail6; 655 } 656 657 mutex_init(&sc->sc_glock, NULL, MUTEX_DRIVER, 658 DDI_INTR_PRI(sc->sc_intr_pri)); 659 mutex_init(&sc->sc_tx_lock, NULL, MUTEX_DRIVER, 660 DDI_INTR_PRI(sc->sc_intr_pri)); 661 mutex_init(&sc->sc_mt_lock, NULL, MUTEX_DRIVER, 662 DDI_INTR_PRI(sc->sc_intr_pri)); 663 664 cv_init(&sc->sc_cmd_cv, NULL, CV_DRIVER, NULL); 665 cv_init(&sc->sc_put_seg_cv, NULL, CV_DRIVER, NULL); 666 cv_init(&sc->sc_ucode_cv, NULL, CV_DRIVER, NULL); 667 668 /* 669 * initialize the mfthread 670 */ 671 cv_init(&sc->sc_mt_cv, NULL, CV_DRIVER, NULL); 672 sc->sc_mf_thread = NULL; 673 sc->sc_mf_thread_switch = 0; 674 675 /* 676 * Allocate shared buffer for communication between driver and ucode. 677 */ 678 err = iwh_alloc_shared(sc); 679 if (err != DDI_SUCCESS) { 680 cmn_err(CE_WARN, "iwh_attach(): " 681 "failed to allocate shared page\n"); 682 goto attach_fail7; 683 } 684 685 (void) memset(sc->sc_shared, 0, sizeof (iwh_shared_t)); 686 687 /* 688 * Allocate keep warm page. 689 */ 690 err = iwh_alloc_kw(sc); 691 if (err != DDI_SUCCESS) { 692 cmn_err(CE_WARN, "iwh_attach(): " 693 "failed to allocate keep warm page\n"); 694 goto attach_fail8; 695 } 696 697 err = iwh_reset_hw(sc); 698 if (err != IWH_SUCCESS) { 699 cmn_err(CE_WARN, "iwh_attach(): " 700 "failed to reset hardware\n"); 701 goto attach_fail9; 702 } 703 704 /* 705 * Do some necessary hardware initializations. 706 */ 707 err = iwh_preinit(sc); 708 if (err != IWH_SUCCESS) { 709 cmn_err(CE_WARN, "iwh_attach(): " 710 "failed to initialize hardware\n"); 711 goto attach_fail9; 712 } 713 714 /* 715 * get hardware configurations from eeprom 716 */ 717 err = iwh_eep_load(sc); 718 if (err != IWH_SUCCESS) { 719 cmn_err(CE_WARN, "iwh_attach(): " 720 "failed to load eeprom\n"); 721 goto attach_fail9; 722 } 723 724 if (IWH_READ_EEP_SHORT(sc, EEP_VERSION) < 0x011a) { 725 IWH_DBG((IWH_DEBUG_EEPROM, "iwh_attach(): " 726 "unsupported eeprom detected\n")); 727 goto attach_fail9; 728 } 729 730 /* 731 * get MAC address of this chipset 732 */ 733 iwh_get_mac_from_eep(sc); 734 735 /* 736 * calibration information from EEPROM 737 */ 738 sc->sc_eep_calib = (struct iwh_eep_calibration *) 739 iwh_eep_addr_trans(sc, EEP_CALIBRATION); 740 741 /* 742 * initialize TX and RX ring buffers 743 */ 744 err = iwh_ring_init(sc); 745 if (err != DDI_SUCCESS) { 746 cmn_err(CE_WARN, "iwh_attach(): " 747 "failed to allocate and initialize ring\n"); 748 goto attach_fail9; 749 } 750 751 if ((0x423c == sc->sc_dev_id) || (0x423d == sc->sc_dev_id)) { 752 sc->sc_hdr = (iwh_firmware_hdr_t *)iwh_fw_5150_bin; 753 } else { 754 sc->sc_hdr = (iwh_firmware_hdr_t *)iwh_fw_5000_bin; 755 } 756 757 /* 758 * copy ucode to dma buffer 759 */ 760 err = iwh_alloc_fw_dma(sc); 761 if (err != DDI_SUCCESS) { 762 cmn_err(CE_WARN, "iwh_attach(): " 763 "failed to allocate firmware dma\n"); 764 goto attach_fail10; 765 } 766 767 /* 768 * Initialize the wifi part, which will be used by 769 * 802.11 module 770 */ 771 ic = &sc->sc_ic; 772 ic->ic_phytype = IEEE80211_T_HT; 773 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 774 ic->ic_state = IEEE80211_S_INIT; 775 ic->ic_maxrssi = 100; /* experimental number */ 776 ic->ic_caps = IEEE80211_C_SHPREAMBLE | IEEE80211_C_TXPMGT | 777 IEEE80211_C_PMGT | IEEE80211_C_SHSLOT; 778 779 /* 780 * Support WPA/WPA2 781 */ 782 ic->ic_caps |= IEEE80211_C_WPA; 783 784 /* 785 * Support QoS/WME 786 */ 787 ic->ic_caps |= IEEE80211_C_WME; 788 ic->ic_wme.wme_update = iwh_wme_update; 789 790 /* 791 * Support 802.11n/HT 792 */ 793 if (sc->sc_ht_conf.ht_support) { 794 ic->ic_htcaps = IEEE80211_HTC_HT | 795 IEEE80211_HTC_AMSDU; 796 ic->ic_htcaps |= IEEE80211_HTCAP_MAXAMSDU_7935; 797 } 798 799 /* 800 * set supported .11b and .11g rates 801 */ 802 ic->ic_sup_rates[IEEE80211_MODE_11B] = iwh_rateset_11b; 803 ic->ic_sup_rates[IEEE80211_MODE_11G] = iwh_rateset_11g; 804 805 /* 806 * set supported .11b and .11g channels (1 through 11) 807 */ 808 for (i = 1; i <= 11; i++) { 809 ic->ic_sup_channels[i].ich_freq = 810 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 811 ic->ic_sup_channels[i].ich_flags = 812 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 813 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ | 814 IEEE80211_CHAN_PASSIVE; 815 816 if (sc->sc_ht_conf.cap & HT_CAP_SUP_WIDTH) { 817 ic->ic_sup_channels[i].ich_flags |= 818 IEEE80211_CHAN_HT40; 819 } else { 820 ic->ic_sup_channels[i].ich_flags |= 821 IEEE80211_CHAN_HT20; 822 } 823 } 824 825 ic->ic_ibss_chan = &ic->ic_sup_channels[0]; 826 ic->ic_xmit = iwh_send; 827 828 /* 829 * attach to 802.11 module 830 */ 831 ieee80211_attach(ic); 832 833 /* 834 * different instance has different WPA door 835 */ 836 (void) snprintf(ic->ic_wpadoor, MAX_IEEE80211STR, "%s_%s%d", WPA_DOOR, 837 ddi_driver_name(dip), 838 ddi_get_instance(dip)); 839 840 /* 841 * Overwrite 80211 default configurations. 842 */ 843 iwh_overwrite_ic_default(sc); 844 845 /* 846 * initialize 802.11 module 847 */ 848 ieee80211_media_init(ic); 849 850 /* 851 * initialize default tx key 852 */ 853 ic->ic_def_txkey = 0; 854 855 err = ddi_intr_add_softint(dip, &sc->sc_soft_hdl, DDI_INTR_SOFTPRI_MAX, 856 iwh_rx_softintr, (caddr_t)sc); 857 if (err != DDI_SUCCESS) { 858 cmn_err(CE_WARN, "iwh_attach(): " 859 "add soft interrupt failed\n"); 860 goto attach_fail12; 861 } 862 863 err = ddi_intr_add_handler(sc->sc_intr_htable[0], iwh_intr, 864 (caddr_t)sc, NULL); 865 if (err != DDI_SUCCESS) { 866 cmn_err(CE_WARN, "iwh_attach(): " 867 "ddi_intr_add_handle() failed\n"); 868 goto attach_fail13; 869 } 870 871 err = ddi_intr_enable(sc->sc_intr_htable[0]); 872 if (err != DDI_SUCCESS) { 873 cmn_err(CE_WARN, "iwh_attach(): " 874 "ddi_intr_enable() failed\n"); 875 goto attach_fail14; 876 } 877 878 /* 879 * Initialize pointer to device specific functions 880 */ 881 wd.wd_secalloc = WIFI_SEC_NONE; 882 wd.wd_opmode = ic->ic_opmode; 883 IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_macaddr); 884 885 /* 886 * create relation to GLD 887 */ 888 macp = mac_alloc(MAC_VERSION); 889 if (NULL == macp) { 890 cmn_err(CE_WARN, "iwh_attach(): " 891 "failed to do mac_alloc()\n"); 892 goto attach_fail15; 893 } 894 895 macp->m_type_ident = MAC_PLUGIN_IDENT_WIFI; 896 macp->m_driver = sc; 897 macp->m_dip = dip; 898 macp->m_src_addr = ic->ic_macaddr; 899 macp->m_callbacks = &iwh_m_callbacks; 900 macp->m_min_sdu = 0; 901 macp->m_max_sdu = IEEE80211_MTU; 902 macp->m_pdata = &wd; 903 macp->m_pdata_size = sizeof (wd); 904 905 /* 906 * Register the macp to mac 907 */ 908 err = mac_register(macp, &ic->ic_mach); 909 mac_free(macp); 910 if (err != DDI_SUCCESS) { 911 cmn_err(CE_WARN, "iwh_attach(): " 912 "failed to do mac_register()\n"); 913 goto attach_fail15; 914 } 915 916 /* 917 * Create minor node of type DDI_NT_NET_WIFI 918 */ 919 (void) snprintf(strbuf, sizeof (strbuf), DRV_NAME_SP"%d", instance); 920 err = ddi_create_minor_node(dip, strbuf, S_IFCHR, 921 instance + 1, DDI_NT_NET_WIFI, 0); 922 if (err != DDI_SUCCESS) { 923 cmn_err(CE_WARN, "iwh_attach(): " 924 "failed to do ddi_create_minor_node()\n"); 925 } 926 927 /* 928 * Notify link is down now 929 */ 930 mac_link_update(ic->ic_mach, LINK_STATE_DOWN); 931 932 /* 933 * create the mf thread to handle the link status, 934 * recovery fatal error, etc. 935 */ 936 sc->sc_mf_thread_switch = 1; 937 if (NULL == sc->sc_mf_thread) { 938 sc->sc_mf_thread = thread_create((caddr_t)NULL, 0, 939 iwh_thread, sc, 0, &p0, TS_RUN, minclsyspri); 940 } 941 942 atomic_or_32(&sc->sc_flags, IWH_F_ATTACHED); 943 944 return (DDI_SUCCESS); 945 946 attach_fail15: 947 (void) ddi_intr_disable(sc->sc_intr_htable[0]); 948 949 attach_fail14: 950 (void) ddi_intr_remove_handler(sc->sc_intr_htable[0]); 951 952 attach_fail13: 953 (void) ddi_intr_remove_softint(sc->sc_soft_hdl); 954 sc->sc_soft_hdl = NULL; 955 956 attach_fail12: 957 ieee80211_detach(ic); 958 959 attach_fail11: 960 iwh_free_fw_dma(sc); 961 962 attach_fail10: 963 iwh_ring_free(sc); 964 965 attach_fail9: 966 iwh_free_kw(sc); 967 968 attach_fail8: 969 iwh_free_shared(sc); 970 971 attach_fail7: 972 iwh_destroy_locks(sc); 973 974 attach_fail6: 975 (void) ddi_intr_free(sc->sc_intr_htable[0]); 976 977 attach_fail5: 978 kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t)); 979 980 attach_fail4: 981 ddi_regs_map_free(&sc->sc_handle); 982 983 attach_fail3: 984 ddi_regs_map_free(&sc->sc_cfg_handle); 985 986 attach_fail2: 987 ddi_soft_state_free(iwh_soft_state_p, instance); 988 989 attach_fail1: 990 return (DDI_FAILURE); 991 } 992 993 int 994 iwh_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 995 { 996 iwh_sc_t *sc; 997 ieee80211com_t *ic; 998 int err; 999 1000 sc = ddi_get_soft_state(iwh_soft_state_p, ddi_get_instance(dip)); 1001 ASSERT(sc != NULL); 1002 ic = &sc->sc_ic; 1003 1004 switch (cmd) { 1005 case DDI_DETACH: 1006 break; 1007 1008 case DDI_SUSPEND: 1009 atomic_and_32(&sc->sc_flags, ~IWH_F_HW_ERR_RECOVER); 1010 atomic_and_32(&sc->sc_flags, ~IWH_F_RATE_AUTO_CTL); 1011 1012 atomic_or_32(&sc->sc_flags, IWH_F_SUSPEND); 1013 1014 if (sc->sc_flags & IWH_F_RUNNING) { 1015 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1016 iwh_stop(sc); 1017 } 1018 1019 IWH_DBG((IWH_DEBUG_RESUME, "iwh_detach(): " 1020 "suspend\n")); 1021 return (DDI_SUCCESS); 1022 1023 default: 1024 return (DDI_FAILURE); 1025 } 1026 1027 if (!(sc->sc_flags & IWH_F_ATTACHED)) { 1028 return (DDI_FAILURE); 1029 } 1030 1031 /* 1032 * Destroy the mf_thread 1033 */ 1034 sc->sc_mf_thread_switch = 0; 1035 1036 mutex_enter(&sc->sc_mt_lock); 1037 while (sc->sc_mf_thread != NULL) { 1038 if (cv_wait_sig(&sc->sc_mt_cv, &sc->sc_mt_lock) == 0) { 1039 break; 1040 } 1041 } 1042 mutex_exit(&sc->sc_mt_lock); 1043 1044 err = mac_disable(sc->sc_ic.ic_mach); 1045 if (err != DDI_SUCCESS) { 1046 return (err); 1047 } 1048 1049 /* 1050 * stop chipset 1051 */ 1052 iwh_stop(sc); 1053 1054 DELAY(500000); 1055 1056 /* 1057 * release buffer for calibration 1058 */ 1059 iwh_release_calib_buffer(sc); 1060 1061 /* 1062 * Unregiste from GLD 1063 */ 1064 (void) mac_unregister(sc->sc_ic.ic_mach); 1065 1066 mutex_enter(&sc->sc_glock); 1067 iwh_free_fw_dma(sc); 1068 iwh_ring_free(sc); 1069 iwh_free_kw(sc); 1070 iwh_free_shared(sc); 1071 mutex_exit(&sc->sc_glock); 1072 1073 (void) ddi_intr_disable(sc->sc_intr_htable[0]); 1074 (void) ddi_intr_remove_handler(sc->sc_intr_htable[0]); 1075 (void) ddi_intr_free(sc->sc_intr_htable[0]); 1076 kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t)); 1077 1078 (void) ddi_intr_remove_softint(sc->sc_soft_hdl); 1079 sc->sc_soft_hdl = NULL; 1080 1081 /* 1082 * detach from 80211 module 1083 */ 1084 ieee80211_detach(&sc->sc_ic); 1085 1086 iwh_destroy_locks(sc); 1087 1088 ddi_regs_map_free(&sc->sc_handle); 1089 ddi_regs_map_free(&sc->sc_cfg_handle); 1090 ddi_remove_minor_node(dip, NULL); 1091 ddi_soft_state_free(iwh_soft_state_p, ddi_get_instance(dip)); 1092 1093 return (DDI_SUCCESS); 1094 } 1095 1096 /* 1097 * destroy all locks 1098 */ 1099 static void 1100 iwh_destroy_locks(iwh_sc_t *sc) 1101 { 1102 cv_destroy(&sc->sc_mt_cv); 1103 cv_destroy(&sc->sc_cmd_cv); 1104 cv_destroy(&sc->sc_put_seg_cv); 1105 cv_destroy(&sc->sc_ucode_cv); 1106 mutex_destroy(&sc->sc_mt_lock); 1107 mutex_destroy(&sc->sc_tx_lock); 1108 mutex_destroy(&sc->sc_glock); 1109 } 1110 1111 /* 1112 * Allocate an area of memory and a DMA handle for accessing it 1113 */ 1114 static int 1115 iwh_alloc_dma_mem(iwh_sc_t *sc, size_t memsize, 1116 ddi_dma_attr_t *dma_attr_p, ddi_device_acc_attr_t *acc_attr_p, 1117 uint_t dma_flags, iwh_dma_t *dma_p) 1118 { 1119 caddr_t vaddr; 1120 int err = DDI_FAILURE; 1121 1122 /* 1123 * Allocate handle 1124 */ 1125 err = ddi_dma_alloc_handle(sc->sc_dip, dma_attr_p, 1126 DDI_DMA_SLEEP, NULL, &dma_p->dma_hdl); 1127 if (err != DDI_SUCCESS) { 1128 dma_p->dma_hdl = NULL; 1129 return (DDI_FAILURE); 1130 } 1131 1132 /* 1133 * Allocate memory 1134 */ 1135 err = ddi_dma_mem_alloc(dma_p->dma_hdl, memsize, acc_attr_p, 1136 dma_flags & (DDI_DMA_CONSISTENT | DDI_DMA_STREAMING), 1137 DDI_DMA_SLEEP, NULL, &vaddr, &dma_p->alength, &dma_p->acc_hdl); 1138 if (err != DDI_SUCCESS) { 1139 ddi_dma_free_handle(&dma_p->dma_hdl); 1140 dma_p->dma_hdl = NULL; 1141 dma_p->acc_hdl = NULL; 1142 return (DDI_FAILURE); 1143 } 1144 1145 /* 1146 * Bind the two together 1147 */ 1148 dma_p->mem_va = vaddr; 1149 err = ddi_dma_addr_bind_handle(dma_p->dma_hdl, NULL, 1150 vaddr, dma_p->alength, dma_flags, DDI_DMA_SLEEP, NULL, 1151 &dma_p->cookie, &dma_p->ncookies); 1152 if (err != DDI_DMA_MAPPED) { 1153 ddi_dma_mem_free(&dma_p->acc_hdl); 1154 ddi_dma_free_handle(&dma_p->dma_hdl); 1155 dma_p->acc_hdl = NULL; 1156 dma_p->dma_hdl = NULL; 1157 return (DDI_FAILURE); 1158 } 1159 1160 dma_p->nslots = ~0U; 1161 dma_p->size = ~0U; 1162 dma_p->token = ~0U; 1163 dma_p->offset = 0; 1164 return (DDI_SUCCESS); 1165 } 1166 1167 /* 1168 * Free one allocated area of DMAable memory 1169 */ 1170 static void 1171 iwh_free_dma_mem(iwh_dma_t *dma_p) 1172 { 1173 if (dma_p->dma_hdl != NULL) { 1174 if (dma_p->ncookies) { 1175 (void) ddi_dma_unbind_handle(dma_p->dma_hdl); 1176 dma_p->ncookies = 0; 1177 } 1178 ddi_dma_free_handle(&dma_p->dma_hdl); 1179 dma_p->dma_hdl = NULL; 1180 } 1181 1182 if (dma_p->acc_hdl != NULL) { 1183 ddi_dma_mem_free(&dma_p->acc_hdl); 1184 dma_p->acc_hdl = NULL; 1185 } 1186 } 1187 1188 /* 1189 * copy ucode into dma buffers 1190 */ 1191 static int 1192 iwh_alloc_fw_dma(iwh_sc_t *sc) 1193 { 1194 int err = DDI_FAILURE; 1195 iwh_dma_t *dma_p; 1196 char *t; 1197 1198 /* 1199 * firmware image layout: 1200 * |HDR|<-TEXT->|<-DATA->|<-INIT_TEXT->|<-INIT_DATA->|<-BOOT->| 1201 */ 1202 1203 /* 1204 * copy text of runtime ucode 1205 */ 1206 t = (char *)(sc->sc_hdr + 1); 1207 err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->textsz), 1208 &fw_dma_attr, &iwh_dma_accattr, 1209 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1210 &sc->sc_dma_fw_text); 1211 if (err != DDI_SUCCESS) { 1212 cmn_err(CE_WARN, "iwh_alloc_fw_dma(): " 1213 "failed to allocate text dma memory.\n"); 1214 goto fail; 1215 } 1216 1217 dma_p = &sc->sc_dma_fw_text; 1218 1219 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_fw_dma(): " 1220 "text[ncookies:%d addr:%lx size:%lx]\n", 1221 dma_p->ncookies, dma_p->cookie.dmac_address, 1222 dma_p->cookie.dmac_size)); 1223 1224 bcopy(t, dma_p->mem_va, LE_32(sc->sc_hdr->textsz)); 1225 1226 /* 1227 * copy data and bak-data of runtime ucode 1228 */ 1229 t += LE_32(sc->sc_hdr->textsz); 1230 err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->datasz), 1231 &fw_dma_attr, &iwh_dma_accattr, 1232 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1233 &sc->sc_dma_fw_data); 1234 if (err != DDI_SUCCESS) { 1235 cmn_err(CE_WARN, "iwh_alloc_fw_dma(): " 1236 "failed to allocate data dma memory\n"); 1237 goto fail; 1238 } 1239 1240 dma_p = &sc->sc_dma_fw_data; 1241 1242 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_fw_dma(): " 1243 "data[ncookies:%d addr:%lx size:%lx]\n", 1244 dma_p->ncookies, dma_p->cookie.dmac_address, 1245 dma_p->cookie.dmac_size)); 1246 1247 bcopy(t, dma_p->mem_va, LE_32(sc->sc_hdr->datasz)); 1248 1249 err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->datasz), 1250 &fw_dma_attr, &iwh_dma_accattr, 1251 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1252 &sc->sc_dma_fw_data_bak); 1253 if (err != DDI_SUCCESS) { 1254 cmn_err(CE_WARN, "iwh_alloc_fw_dma(): " 1255 "failed to allocate data bakup dma memory\n"); 1256 goto fail; 1257 } 1258 1259 dma_p = &sc->sc_dma_fw_data_bak; 1260 1261 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_fw_dma(): " 1262 "data_bak[ncookies:%d addr:%lx " 1263 "size:%lx]\n", 1264 dma_p->ncookies, dma_p->cookie.dmac_address, 1265 dma_p->cookie.dmac_size)); 1266 1267 bcopy(t, dma_p->mem_va, LE_32(sc->sc_hdr->datasz)); 1268 1269 /* 1270 * copy text of init ucode 1271 */ 1272 t += LE_32(sc->sc_hdr->datasz); 1273 err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->init_textsz), 1274 &fw_dma_attr, &iwh_dma_accattr, 1275 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1276 &sc->sc_dma_fw_init_text); 1277 if (err != DDI_SUCCESS) { 1278 cmn_err(CE_WARN, "iwh_alloc_fw_dma(): " 1279 "failed to allocate init text dma memory\n"); 1280 goto fail; 1281 } 1282 1283 dma_p = &sc->sc_dma_fw_init_text; 1284 1285 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_fw_dma(): " 1286 "init_text[ncookies:%d addr:%lx " 1287 "size:%lx]\n", 1288 dma_p->ncookies, dma_p->cookie.dmac_address, 1289 dma_p->cookie.dmac_size)); 1290 1291 bcopy(t, dma_p->mem_va, LE_32(sc->sc_hdr->init_textsz)); 1292 1293 /* 1294 * copy data of init ucode 1295 */ 1296 t += LE_32(sc->sc_hdr->init_textsz); 1297 err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->init_datasz), 1298 &fw_dma_attr, &iwh_dma_accattr, 1299 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1300 &sc->sc_dma_fw_init_data); 1301 if (err != DDI_SUCCESS) { 1302 cmn_err(CE_WARN, "iwh_alloc_fw_dma(): " 1303 "failed to allocate init data dma memory\n"); 1304 goto fail; 1305 } 1306 1307 dma_p = &sc->sc_dma_fw_init_data; 1308 1309 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_fw_dma(): " 1310 "init_data[ncookies:%d addr:%lx " 1311 "size:%lx]\n", 1312 dma_p->ncookies, dma_p->cookie.dmac_address, 1313 dma_p->cookie.dmac_size)); 1314 1315 bcopy(t, dma_p->mem_va, LE_32(sc->sc_hdr->init_datasz)); 1316 1317 sc->sc_boot = t + LE_32(sc->sc_hdr->init_datasz); 1318 1319 fail: 1320 return (err); 1321 } 1322 1323 static void 1324 iwh_free_fw_dma(iwh_sc_t *sc) 1325 { 1326 iwh_free_dma_mem(&sc->sc_dma_fw_text); 1327 iwh_free_dma_mem(&sc->sc_dma_fw_data); 1328 iwh_free_dma_mem(&sc->sc_dma_fw_data_bak); 1329 iwh_free_dma_mem(&sc->sc_dma_fw_init_text); 1330 iwh_free_dma_mem(&sc->sc_dma_fw_init_data); 1331 } 1332 1333 /* 1334 * Allocate a shared buffer between host and NIC. 1335 */ 1336 static int 1337 iwh_alloc_shared(iwh_sc_t *sc) 1338 { 1339 #ifdef DEBUG 1340 iwh_dma_t *dma_p; 1341 #endif 1342 int err = DDI_FAILURE; 1343 1344 /* 1345 * must be aligned on a 4K-page boundary 1346 */ 1347 err = iwh_alloc_dma_mem(sc, sizeof (iwh_shared_t), 1348 &sh_dma_attr, &iwh_dma_descattr, 1349 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1350 &sc->sc_dma_sh); 1351 if (err != DDI_SUCCESS) { 1352 goto fail; 1353 } 1354 1355 sc->sc_shared = (iwh_shared_t *)sc->sc_dma_sh.mem_va; 1356 1357 #ifdef DEBUG 1358 dma_p = &sc->sc_dma_sh; 1359 #endif 1360 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_shared(): " 1361 "sh[ncookies:%d addr:%lx size:%lx]\n", 1362 dma_p->ncookies, dma_p->cookie.dmac_address, 1363 dma_p->cookie.dmac_size)); 1364 1365 return (err); 1366 1367 fail: 1368 iwh_free_shared(sc); 1369 return (err); 1370 } 1371 1372 static void 1373 iwh_free_shared(iwh_sc_t *sc) 1374 { 1375 iwh_free_dma_mem(&sc->sc_dma_sh); 1376 } 1377 1378 /* 1379 * Allocate a keep warm page. 1380 */ 1381 static int 1382 iwh_alloc_kw(iwh_sc_t *sc) 1383 { 1384 #ifdef DEBUG 1385 iwh_dma_t *dma_p; 1386 #endif 1387 int err = DDI_FAILURE; 1388 1389 /* 1390 * must be aligned on a 4K-page boundary 1391 */ 1392 err = iwh_alloc_dma_mem(sc, IWH_KW_SIZE, 1393 &kw_dma_attr, &iwh_dma_descattr, 1394 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1395 &sc->sc_dma_kw); 1396 if (err != DDI_SUCCESS) { 1397 goto fail; 1398 } 1399 1400 #ifdef DEBUG 1401 dma_p = &sc->sc_dma_kw; 1402 #endif 1403 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_kw(): " 1404 "kw[ncookies:%d addr:%lx size:%lx]\n", 1405 dma_p->ncookies, dma_p->cookie.dmac_address, 1406 dma_p->cookie.dmac_size)); 1407 1408 return (err); 1409 1410 fail: 1411 iwh_free_kw(sc); 1412 return (err); 1413 } 1414 1415 static void 1416 iwh_free_kw(iwh_sc_t *sc) 1417 { 1418 iwh_free_dma_mem(&sc->sc_dma_kw); 1419 } 1420 1421 /* 1422 * initialize RX ring buffers 1423 */ 1424 static int 1425 iwh_alloc_rx_ring(iwh_sc_t *sc) 1426 { 1427 iwh_rx_ring_t *ring; 1428 iwh_rx_data_t *data; 1429 #ifdef DEBUG 1430 iwh_dma_t *dma_p; 1431 #endif 1432 int i, err = DDI_FAILURE; 1433 1434 ring = &sc->sc_rxq; 1435 ring->cur = 0; 1436 1437 /* 1438 * allocate RX description ring buffer 1439 */ 1440 err = iwh_alloc_dma_mem(sc, RX_QUEUE_SIZE * sizeof (uint32_t), 1441 &ring_desc_dma_attr, &iwh_dma_descattr, 1442 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1443 &ring->dma_desc); 1444 if (err != DDI_SUCCESS) { 1445 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_rx_ring(): " 1446 "dma alloc rx ring desc " 1447 "failed\n")); 1448 goto fail; 1449 } 1450 1451 ring->desc = (uint32_t *)ring->dma_desc.mem_va; 1452 #ifdef DEBUG 1453 dma_p = &ring->dma_desc; 1454 #endif 1455 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_rx_ring(): " 1456 "rx bd[ncookies:%d addr:%lx size:%lx]\n", 1457 dma_p->ncookies, dma_p->cookie.dmac_address, 1458 dma_p->cookie.dmac_size)); 1459 1460 /* 1461 * Allocate Rx frame buffers. 1462 */ 1463 for (i = 0; i < RX_QUEUE_SIZE; i++) { 1464 data = &ring->data[i]; 1465 err = iwh_alloc_dma_mem(sc, sc->sc_dmabuf_sz, 1466 &rx_buffer_dma_attr, &iwh_dma_accattr, 1467 DDI_DMA_READ | DDI_DMA_STREAMING, 1468 &data->dma_data); 1469 if (err != DDI_SUCCESS) { 1470 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_rx_ring(): " 1471 "dma alloc rx ring " 1472 "buf[%d] failed\n", i)); 1473 goto fail; 1474 } 1475 /* 1476 * the physical address bit [8-36] are used, 1477 * instead of bit [0-31] in 3945. 1478 */ 1479 ring->desc[i] = (uint32_t) 1480 (data->dma_data.cookie.dmac_address >> 8); 1481 } 1482 1483 #ifdef DEBUG 1484 dma_p = &ring->data[0].dma_data; 1485 #endif 1486 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_rx_ring(): " 1487 "rx buffer[0][ncookies:%d addr:%lx " 1488 "size:%lx]\n", 1489 dma_p->ncookies, dma_p->cookie.dmac_address, 1490 dma_p->cookie.dmac_size)); 1491 1492 IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV); 1493 1494 return (err); 1495 1496 fail: 1497 iwh_free_rx_ring(sc); 1498 return (err); 1499 } 1500 1501 /* 1502 * disable RX ring 1503 */ 1504 static void 1505 iwh_reset_rx_ring(iwh_sc_t *sc) 1506 { 1507 int n; 1508 1509 iwh_mac_access_enter(sc); 1510 IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); 1511 for (n = 0; n < 2000; n++) { 1512 if (IWH_READ(sc, FH_MEM_RSSR_RX_STATUS_REG) & (1 << 24)) { 1513 break; 1514 } 1515 DELAY(1000); 1516 } 1517 #ifdef DEBUG 1518 if (2000 == n) { 1519 IWH_DBG((IWH_DEBUG_DMA, "iwh_reset_rx_ring(): " 1520 "timeout resetting Rx ring\n")); 1521 } 1522 #endif 1523 iwh_mac_access_exit(sc); 1524 1525 sc->sc_rxq.cur = 0; 1526 } 1527 1528 static void 1529 iwh_free_rx_ring(iwh_sc_t *sc) 1530 { 1531 int i; 1532 1533 for (i = 0; i < RX_QUEUE_SIZE; i++) { 1534 if (sc->sc_rxq.data[i].dma_data.dma_hdl) { 1535 IWH_DMA_SYNC(sc->sc_rxq.data[i].dma_data, 1536 DDI_DMA_SYNC_FORCPU); 1537 } 1538 1539 iwh_free_dma_mem(&sc->sc_rxq.data[i].dma_data); 1540 } 1541 1542 if (sc->sc_rxq.dma_desc.dma_hdl) { 1543 IWH_DMA_SYNC(sc->sc_rxq.dma_desc, DDI_DMA_SYNC_FORDEV); 1544 } 1545 1546 iwh_free_dma_mem(&sc->sc_rxq.dma_desc); 1547 } 1548 1549 /* 1550 * initialize TX ring buffers 1551 */ 1552 static int 1553 iwh_alloc_tx_ring(iwh_sc_t *sc, iwh_tx_ring_t *ring, 1554 int slots, int qid) 1555 { 1556 iwh_tx_data_t *data; 1557 iwh_tx_desc_t *desc_h; 1558 uint32_t paddr_desc_h; 1559 iwh_cmd_t *cmd_h; 1560 uint32_t paddr_cmd_h; 1561 #ifdef DEBUG 1562 iwh_dma_t *dma_p; 1563 #endif 1564 int i, err = DDI_FAILURE; 1565 1566 ring->qid = qid; 1567 ring->count = TFD_QUEUE_SIZE_MAX; 1568 ring->window = slots; 1569 ring->queued = 0; 1570 ring->cur = 0; 1571 ring->desc_cur = 0; 1572 1573 /* 1574 * allocate buffer for TX descriptor ring 1575 */ 1576 err = iwh_alloc_dma_mem(sc, 1577 TFD_QUEUE_SIZE_MAX * sizeof (iwh_tx_desc_t), 1578 &ring_desc_dma_attr, &iwh_dma_descattr, 1579 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1580 &ring->dma_desc); 1581 if (err != DDI_SUCCESS) { 1582 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1583 "dma alloc tx ring desc[%d] " 1584 "failed\n", qid)); 1585 goto fail; 1586 } 1587 1588 #ifdef DEBUG 1589 dma_p = &ring->dma_desc; 1590 #endif 1591 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1592 "tx bd[ncookies:%d addr:%lx size:%lx]\n", 1593 dma_p->ncookies, dma_p->cookie.dmac_address, 1594 dma_p->cookie.dmac_size)); 1595 1596 desc_h = (iwh_tx_desc_t *)ring->dma_desc.mem_va; 1597 paddr_desc_h = ring->dma_desc.cookie.dmac_address; 1598 1599 /* 1600 * allocate buffer for ucode command 1601 */ 1602 err = iwh_alloc_dma_mem(sc, 1603 TFD_QUEUE_SIZE_MAX * sizeof (iwh_cmd_t), 1604 &cmd_dma_attr, &iwh_dma_accattr, 1605 DDI_DMA_RDWR | DDI_DMA_CONSISTENT, 1606 &ring->dma_cmd); 1607 if (err != DDI_SUCCESS) { 1608 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1609 "dma alloc tx ring cmd[%d]" 1610 " failed\n", qid)); 1611 goto fail; 1612 } 1613 1614 #ifdef DEBUG 1615 dma_p = &ring->dma_cmd; 1616 #endif 1617 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1618 "tx cmd[ncookies:%d addr:%lx size:%lx]\n", 1619 dma_p->ncookies, dma_p->cookie.dmac_address, 1620 dma_p->cookie.dmac_size)); 1621 1622 cmd_h = (iwh_cmd_t *)ring->dma_cmd.mem_va; 1623 paddr_cmd_h = ring->dma_cmd.cookie.dmac_address; 1624 1625 /* 1626 * Allocate Tx frame buffers. 1627 */ 1628 ring->data = kmem_zalloc(sizeof (iwh_tx_data_t) * TFD_QUEUE_SIZE_MAX, 1629 KM_NOSLEEP); 1630 if (NULL == ring->data) { 1631 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1632 "could not allocate " 1633 "tx data slots\n")); 1634 goto fail; 1635 } 1636 1637 for (i = 0; i < TFD_QUEUE_SIZE_MAX; i++) { 1638 data = &ring->data[i]; 1639 err = iwh_alloc_dma_mem(sc, sc->sc_dmabuf_sz, 1640 &tx_buffer_dma_attr, &iwh_dma_accattr, 1641 DDI_DMA_WRITE | DDI_DMA_STREAMING, 1642 &data->dma_data); 1643 if (err != DDI_SUCCESS) { 1644 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1645 "dma alloc tx " 1646 "ring buf[%d] failed\n", i)); 1647 goto fail; 1648 } 1649 1650 data->desc = desc_h + i; 1651 data->paddr_desc = paddr_desc_h + 1652 _PTRDIFF(data->desc, desc_h); 1653 data->cmd = cmd_h + i; 1654 data->paddr_cmd = paddr_cmd_h + 1655 _PTRDIFF(data->cmd, cmd_h); 1656 } 1657 #ifdef DEBUG 1658 dma_p = &ring->data[0].dma_data; 1659 #endif 1660 IWH_DBG((IWH_DEBUG_DMA, "iwh_alloc_tx_ring(): " 1661 "tx buffer[0][ncookies:%d addr:%lx " 1662 "size:%lx]\n", 1663 dma_p->ncookies, dma_p->cookie.dmac_address, 1664 dma_p->cookie.dmac_size)); 1665 1666 return (err); 1667 1668 fail: 1669 iwh_free_tx_ring(ring); 1670 1671 return (err); 1672 } 1673 1674 /* 1675 * disable TX ring 1676 */ 1677 static void 1678 iwh_reset_tx_ring(iwh_sc_t *sc, iwh_tx_ring_t *ring) 1679 { 1680 iwh_tx_data_t *data; 1681 int i, n; 1682 1683 iwh_mac_access_enter(sc); 1684 1685 IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(ring->qid), 0); 1686 for (n = 0; n < 200; n++) { 1687 if (IWH_READ(sc, IWH_FH_TSSR_TX_STATUS_REG) & 1688 IWH_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ring->qid)) { 1689 break; 1690 } 1691 DELAY(10); 1692 } 1693 1694 #ifdef DEBUG 1695 if (200 == n) { 1696 IWH_DBG((IWH_DEBUG_DMA, "iwh_reset_tx_ring(): " 1697 "timeout reset tx ring %d\n", 1698 ring->qid)); 1699 } 1700 #endif 1701 1702 iwh_mac_access_exit(sc); 1703 1704 /* 1705 * by pass, if it's quiesce 1706 */ 1707 if (!(sc->sc_flags & IWH_F_QUIESCED)) { 1708 for (i = 0; i < ring->count; i++) { 1709 data = &ring->data[i]; 1710 IWH_DMA_SYNC(data->dma_data, DDI_DMA_SYNC_FORDEV); 1711 } 1712 } 1713 1714 ring->queued = 0; 1715 ring->cur = 0; 1716 ring->desc_cur = 0; 1717 } 1718 1719 static void 1720 iwh_free_tx_ring(iwh_tx_ring_t *ring) 1721 { 1722 int i; 1723 1724 if (ring->dma_desc.dma_hdl != NULL) { 1725 IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV); 1726 } 1727 iwh_free_dma_mem(&ring->dma_desc); 1728 1729 if (ring->dma_cmd.dma_hdl != NULL) { 1730 IWH_DMA_SYNC(ring->dma_cmd, DDI_DMA_SYNC_FORDEV); 1731 } 1732 iwh_free_dma_mem(&ring->dma_cmd); 1733 1734 if (ring->data != NULL) { 1735 for (i = 0; i < ring->count; i++) { 1736 if (ring->data[i].dma_data.dma_hdl) { 1737 IWH_DMA_SYNC(ring->data[i].dma_data, 1738 DDI_DMA_SYNC_FORDEV); 1739 } 1740 iwh_free_dma_mem(&ring->data[i].dma_data); 1741 } 1742 kmem_free(ring->data, ring->count * sizeof (iwh_tx_data_t)); 1743 } 1744 } 1745 1746 /* 1747 * initialize TX and RX ring 1748 */ 1749 static int 1750 iwh_ring_init(iwh_sc_t *sc) 1751 { 1752 int i, err = DDI_FAILURE; 1753 1754 for (i = 0; i < IWH_NUM_QUEUES; i++) { 1755 if (IWH_CMD_QUEUE_NUM == i) { 1756 continue; 1757 } 1758 1759 err = iwh_alloc_tx_ring(sc, &sc->sc_txq[i], TFD_TX_CMD_SLOTS, 1760 i); 1761 if (err != DDI_SUCCESS) { 1762 goto fail; 1763 } 1764 } 1765 1766 /* 1767 * initialize command queue 1768 */ 1769 err = iwh_alloc_tx_ring(sc, &sc->sc_txq[IWH_CMD_QUEUE_NUM], 1770 TFD_CMD_SLOTS, IWH_CMD_QUEUE_NUM); 1771 if (err != DDI_SUCCESS) { 1772 goto fail; 1773 } 1774 1775 err = iwh_alloc_rx_ring(sc); 1776 if (err != DDI_SUCCESS) { 1777 goto fail; 1778 } 1779 1780 fail: 1781 return (err); 1782 } 1783 1784 static void 1785 iwh_ring_free(iwh_sc_t *sc) 1786 { 1787 int i = IWH_NUM_QUEUES; 1788 1789 iwh_free_rx_ring(sc); 1790 while (--i >= 0) { 1791 iwh_free_tx_ring(&sc->sc_txq[i]); 1792 } 1793 } 1794 1795 /* ARGSUSED */ 1796 static ieee80211_node_t * 1797 iwh_node_alloc(ieee80211com_t *ic) 1798 { 1799 iwh_amrr_t *amrr; 1800 1801 amrr = kmem_zalloc(sizeof (iwh_amrr_t), KM_SLEEP); 1802 if (NULL == amrr) { 1803 cmn_err(CE_WARN, "iwh_node_alloc(): " 1804 "failed to allocate memory for amrr structure\n"); 1805 return (NULL); 1806 } 1807 1808 iwh_amrr_init(amrr); 1809 1810 return (&amrr->in); 1811 } 1812 1813 static void 1814 iwh_node_free(ieee80211_node_t *in) 1815 { 1816 ieee80211com_t *ic; 1817 1818 if ((NULL == in) || 1819 (NULL == in->in_ic)) { 1820 cmn_err(CE_WARN, "iwh_node_free() " 1821 "Got a NULL point from Net80211 module\n"); 1822 return; 1823 } 1824 ic = in->in_ic; 1825 1826 if (ic->ic_node_cleanup != NULL) { 1827 ic->ic_node_cleanup(in); 1828 } 1829 1830 if (in->in_wpa_ie != NULL) { 1831 ieee80211_free(in->in_wpa_ie); 1832 } 1833 1834 if (in->in_wme_ie != NULL) { 1835 ieee80211_free(in->in_wme_ie); 1836 } 1837 1838 if (in->in_htcap_ie != NULL) { 1839 ieee80211_free(in->in_htcap_ie); 1840 } 1841 1842 kmem_free(in, sizeof (iwh_amrr_t)); 1843 } 1844 1845 /* 1846 * change station's state. this function will be invoked by 80211 module 1847 * when need to change staton's state. 1848 */ 1849 static int 1850 iwh_newstate(ieee80211com_t *ic, enum ieee80211_state nstate, int arg) 1851 { 1852 iwh_sc_t *sc; 1853 ieee80211_node_t *in; 1854 enum ieee80211_state ostate; 1855 iwh_add_sta_t node; 1856 iwh_amrr_t *amrr; 1857 uint8_t r; 1858 int i, err = IWH_FAIL; 1859 1860 if (NULL == ic) { 1861 return (err); 1862 } 1863 sc = (iwh_sc_t *)ic; 1864 in = ic->ic_bss; 1865 ostate = ic->ic_state; 1866 1867 mutex_enter(&sc->sc_glock); 1868 1869 switch (nstate) { 1870 case IEEE80211_S_SCAN: 1871 switch (ostate) { 1872 case IEEE80211_S_INIT: 1873 atomic_or_32(&sc->sc_flags, IWH_F_SCANNING); 1874 iwh_set_led(sc, 2, 10, 2); 1875 1876 /* 1877 * clear association to receive beacons from 1878 * all BSS'es 1879 */ 1880 sc->sc_config.assoc_id = 0; 1881 sc->sc_config.filter_flags &= 1882 ~LE_32(RXON_FILTER_ASSOC_MSK); 1883 1884 IWH_DBG((IWH_DEBUG_80211, "iwh_newstate(): " 1885 "config chan %d " 1886 "flags %x filter_flags %x\n", 1887 LE_16(sc->sc_config.chan), 1888 LE_32(sc->sc_config.flags), 1889 LE_32(sc->sc_config.filter_flags))); 1890 1891 err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config, 1892 sizeof (iwh_rxon_cmd_t), 1); 1893 if (err != IWH_SUCCESS) { 1894 cmn_err(CE_WARN, "iwh_newstate(): " 1895 "could not clear association\n"); 1896 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 1897 mutex_exit(&sc->sc_glock); 1898 return (err); 1899 } 1900 1901 /* 1902 * add broadcast node to send probe request 1903 */ 1904 (void) memset(&node, 0, sizeof (node)); 1905 (void) memset(&node.sta.addr, 0xff, IEEE80211_ADDR_LEN); 1906 node.sta.sta_id = IWH_BROADCAST_ID; 1907 err = iwh_cmd(sc, REPLY_ADD_STA, &node, 1908 sizeof (node), 1); 1909 if (err != IWH_SUCCESS) { 1910 cmn_err(CE_WARN, "iwh_newstate(): " 1911 "could not add broadcast node\n"); 1912 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 1913 mutex_exit(&sc->sc_glock); 1914 return (err); 1915 } 1916 break; 1917 case IEEE80211_S_SCAN: 1918 mutex_exit(&sc->sc_glock); 1919 /* step to next channel before actual FW scan */ 1920 err = sc->sc_newstate(ic, nstate, arg); 1921 mutex_enter(&sc->sc_glock); 1922 if ((err != 0) || ((err = iwh_scan(sc)) != 0)) { 1923 cmn_err(CE_WARN, "iwh_newstate(): " 1924 "could not initiate scan\n"); 1925 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 1926 ieee80211_cancel_scan(ic); 1927 } 1928 mutex_exit(&sc->sc_glock); 1929 return (err); 1930 default: 1931 break; 1932 } 1933 sc->sc_clk = 0; 1934 break; 1935 1936 case IEEE80211_S_AUTH: 1937 if (ostate == IEEE80211_S_SCAN) { 1938 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 1939 } 1940 1941 /* 1942 * reset state to handle reassociations correctly 1943 */ 1944 sc->sc_config.assoc_id = 0; 1945 sc->sc_config.filter_flags &= ~LE_32(RXON_FILTER_ASSOC_MSK); 1946 1947 /* 1948 * before sending authentication and association request frame, 1949 * we need do something in the hardware, such as setting the 1950 * channel same to the target AP... 1951 */ 1952 if ((err = iwh_hw_set_before_auth(sc)) != 0) { 1953 IWH_DBG((IWH_DEBUG_80211, "iwh_newstate(): " 1954 "could not send authentication request\n")); 1955 mutex_exit(&sc->sc_glock); 1956 return (err); 1957 } 1958 break; 1959 1960 case IEEE80211_S_RUN: 1961 if (ostate == IEEE80211_S_SCAN) { 1962 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 1963 } 1964 1965 if (IEEE80211_M_MONITOR == ic->ic_opmode) { 1966 /* 1967 * let LED blink when monitoring 1968 */ 1969 iwh_set_led(sc, 2, 10, 10); 1970 break; 1971 } 1972 1973 IWH_DBG((IWH_DEBUG_80211, "iwh_newstate(): " 1974 "associated.\n")); 1975 1976 err = iwh_run_state_config(sc); 1977 if (err != IWH_SUCCESS) { 1978 cmn_err(CE_WARN, "iwh_newstate(): " 1979 "failed to set up association\n"); 1980 mutex_exit(&sc->sc_glock); 1981 return (err); 1982 } 1983 1984 /* 1985 * start automatic rate control 1986 */ 1987 if ((in->in_flags & IEEE80211_NODE_HT) && 1988 (sc->sc_ht_conf.ht_support) && 1989 (in->in_htrates.rs_nrates > 0) && 1990 (in->in_htrates.rs_nrates <= IEEE80211_HTRATE_MAXSIZE)) { 1991 amrr = (iwh_amrr_t *)in; 1992 1993 for (i = in->in_htrates.rs_nrates - 1; i > 0; i--) { 1994 1995 r = in->in_htrates.rs_rates[i] & 1996 IEEE80211_RATE_VAL; 1997 if ((r != 0) && (r <= 0xd) && 1998 (sc->sc_ht_conf.tx_support_mcs[r/8] & 1999 (1 << (r%8)))) { 2000 amrr->ht_mcs_idx = r; 2001 atomic_or_32(&sc->sc_flags, 2002 IWH_F_RATE_AUTO_CTL); 2003 break; 2004 } 2005 } 2006 } else { 2007 if (IEEE80211_FIXED_RATE_NONE == ic->ic_fixed_rate) { 2008 atomic_or_32(&sc->sc_flags, 2009 IWH_F_RATE_AUTO_CTL); 2010 2011 /* 2012 * set rate to some reasonable initial value 2013 */ 2014 i = in->in_rates.ir_nrates - 1; 2015 while (i > 0 && IEEE80211_RATE(i) > 72) { 2016 i--; 2017 } 2018 in->in_txrate = i; 2019 2020 } else { 2021 atomic_and_32(&sc->sc_flags, 2022 ~IWH_F_RATE_AUTO_CTL); 2023 } 2024 } 2025 2026 /* 2027 * set LED on after associated 2028 */ 2029 iwh_set_led(sc, 2, 0, 1); 2030 break; 2031 2032 case IEEE80211_S_INIT: 2033 if (ostate == IEEE80211_S_SCAN) { 2034 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 2035 } 2036 /* 2037 * set LED off after init 2038 */ 2039 iwh_set_led(sc, 2, 1, 0); 2040 break; 2041 2042 case IEEE80211_S_ASSOC: 2043 if (ostate == IEEE80211_S_SCAN) { 2044 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 2045 } 2046 break; 2047 } 2048 2049 mutex_exit(&sc->sc_glock); 2050 2051 return (sc->sc_newstate(ic, nstate, arg)); 2052 } 2053 2054 /* 2055 * exclusive access to mac begin. 2056 */ 2057 static void 2058 iwh_mac_access_enter(iwh_sc_t *sc) 2059 { 2060 uint32_t tmp; 2061 int n; 2062 2063 tmp = IWH_READ(sc, CSR_GP_CNTRL); 2064 IWH_WRITE(sc, CSR_GP_CNTRL, 2065 tmp | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); 2066 2067 /* 2068 * wait until we succeed 2069 */ 2070 for (n = 0; n < 1000; n++) { 2071 if ((IWH_READ(sc, CSR_GP_CNTRL) & 2072 (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | 2073 CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP)) == 2074 CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN) { 2075 break; 2076 } 2077 DELAY(10); 2078 } 2079 2080 #ifdef DEBUG 2081 if (1000 == n) { 2082 IWH_DBG((IWH_DEBUG_PIO, "iwh_mac_access_enter(): " 2083 "could not lock memory\n")); 2084 } 2085 #endif 2086 } 2087 2088 /* 2089 * exclusive access to mac end. 2090 */ 2091 static void 2092 iwh_mac_access_exit(iwh_sc_t *sc) 2093 { 2094 uint32_t tmp = IWH_READ(sc, CSR_GP_CNTRL); 2095 IWH_WRITE(sc, CSR_GP_CNTRL, 2096 tmp & ~CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); 2097 } 2098 2099 /* 2100 * this function defined here for future use. 2101 * static uint32_t 2102 * iwh_mem_read(iwh_sc_t *sc, uint32_t addr) 2103 * { 2104 * IWH_WRITE(sc, HBUS_TARG_MEM_RADDR, addr); 2105 * return (IWH_READ(sc, HBUS_TARG_MEM_RDAT)); 2106 * } 2107 */ 2108 2109 /* 2110 * write mac memory 2111 */ 2112 static void 2113 iwh_mem_write(iwh_sc_t *sc, uint32_t addr, uint32_t data) 2114 { 2115 IWH_WRITE(sc, HBUS_TARG_MEM_WADDR, addr); 2116 IWH_WRITE(sc, HBUS_TARG_MEM_WDAT, data); 2117 } 2118 2119 /* 2120 * read mac register 2121 */ 2122 static uint32_t 2123 iwh_reg_read(iwh_sc_t *sc, uint32_t addr) 2124 { 2125 IWH_WRITE(sc, HBUS_TARG_PRPH_RADDR, addr | (3 << 24)); 2126 return (IWH_READ(sc, HBUS_TARG_PRPH_RDAT)); 2127 } 2128 2129 /* 2130 * write mac register 2131 */ 2132 static void 2133 iwh_reg_write(iwh_sc_t *sc, uint32_t addr, uint32_t data) 2134 { 2135 IWH_WRITE(sc, HBUS_TARG_PRPH_WADDR, addr | (3 << 24)); 2136 IWH_WRITE(sc, HBUS_TARG_PRPH_WDAT, data); 2137 } 2138 2139 2140 /* 2141 * steps of loading ucode: 2142 * load init ucode=>init alive=>calibrate=> 2143 * receive calibration result=>reinitialize NIC=> 2144 * load runtime ucode=>runtime alive=> 2145 * send calibration result=>running. 2146 */ 2147 static int 2148 iwh_load_init_firmware(iwh_sc_t *sc) 2149 { 2150 int err = IWH_FAIL; 2151 clock_t clk; 2152 2153 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2154 2155 /* 2156 * load init_text section of uCode to hardware 2157 */ 2158 err = iwh_put_seg_fw(sc, sc->sc_dma_fw_init_text.cookie.dmac_address, 2159 RTC_INST_LOWER_BOUND, sc->sc_dma_fw_init_text.cookie.dmac_size); 2160 if (err != IWH_SUCCESS) { 2161 cmn_err(CE_WARN, "iwh_load_init_firmware(): " 2162 "failed to write init uCode.\n"); 2163 return (err); 2164 } 2165 2166 clk = ddi_get_lbolt() + drv_usectohz(1000000); 2167 2168 /* 2169 * wait loading init_text until completed or timeout 2170 */ 2171 while (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2172 if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) { 2173 break; 2174 } 2175 } 2176 2177 if (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2178 cmn_err(CE_WARN, "iwh_load_init_firmware(): " 2179 "timeout waiting for init uCode load.\n"); 2180 return (IWH_FAIL); 2181 } 2182 2183 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2184 2185 /* 2186 * load init_data section of uCode to hardware 2187 */ 2188 err = iwh_put_seg_fw(sc, sc->sc_dma_fw_init_data.cookie.dmac_address, 2189 RTC_DATA_LOWER_BOUND, sc->sc_dma_fw_init_data.cookie.dmac_size); 2190 if (err != IWH_SUCCESS) { 2191 cmn_err(CE_WARN, "iwh_load_init_firmware(): " 2192 "failed to write init_data uCode.\n"); 2193 return (err); 2194 } 2195 2196 clk = ddi_get_lbolt() + drv_usectohz(1000000); 2197 2198 /* 2199 * wait loading init_data until completed or timeout 2200 */ 2201 while (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2202 if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) { 2203 break; 2204 } 2205 } 2206 2207 if (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2208 cmn_err(CE_WARN, "iwh_load_init_firmware(): " 2209 "timeout waiting for init_data uCode load.\n"); 2210 return (IWH_FAIL); 2211 } 2212 2213 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2214 2215 return (err); 2216 } 2217 2218 static int 2219 iwh_load_run_firmware(iwh_sc_t *sc) 2220 { 2221 int err = IWH_FAIL; 2222 clock_t clk; 2223 2224 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2225 2226 /* 2227 * load init_text section of uCode to hardware 2228 */ 2229 err = iwh_put_seg_fw(sc, sc->sc_dma_fw_text.cookie.dmac_address, 2230 RTC_INST_LOWER_BOUND, sc->sc_dma_fw_text.cookie.dmac_size); 2231 if (err != IWH_SUCCESS) { 2232 cmn_err(CE_WARN, "iwh_load_run_firmware(): " 2233 "failed to write run uCode.\n"); 2234 return (err); 2235 } 2236 2237 clk = ddi_get_lbolt() + drv_usectohz(1000000); 2238 2239 /* 2240 * wait loading run_text until completed or timeout 2241 */ 2242 while (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2243 if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) { 2244 break; 2245 } 2246 } 2247 2248 if (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2249 cmn_err(CE_WARN, "iwh_load_run_firmware(): " 2250 "timeout waiting for run uCode load.\n"); 2251 return (IWH_FAIL); 2252 } 2253 2254 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2255 2256 /* 2257 * load run_data section of uCode to hardware 2258 */ 2259 err = iwh_put_seg_fw(sc, sc->sc_dma_fw_data_bak.cookie.dmac_address, 2260 RTC_DATA_LOWER_BOUND, sc->sc_dma_fw_data.cookie.dmac_size); 2261 if (err != IWH_SUCCESS) { 2262 cmn_err(CE_WARN, "iwh_load_run_firmware(): " 2263 "failed to write run_data uCode.\n"); 2264 return (err); 2265 } 2266 2267 clk = ddi_get_lbolt() + drv_usectohz(1000000); 2268 2269 /* 2270 * wait loading run_data until completed or timeout 2271 */ 2272 while (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2273 if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) { 2274 break; 2275 } 2276 } 2277 2278 if (!(sc->sc_flags & IWH_F_PUT_SEG)) { 2279 cmn_err(CE_WARN, "iwh_load_run_firmware(): " 2280 "timeout waiting for run_data uCode load.\n"); 2281 return (IWH_FAIL); 2282 } 2283 2284 atomic_and_32(&sc->sc_flags, ~IWH_F_PUT_SEG); 2285 2286 return (err); 2287 } 2288 2289 /* 2290 * this function will be invoked to receive phy information 2291 * when a frame is received. 2292 */ 2293 static void 2294 iwh_rx_phy_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc) 2295 { 2296 2297 sc->sc_rx_phy_res.flag = 1; 2298 2299 bcopy((uint8_t *)(desc + 1), sc->sc_rx_phy_res.buf, 2300 sizeof (iwh_rx_phy_res_t)); 2301 } 2302 2303 /* 2304 * this function will be invoked to receive body of frame when 2305 * a frame is received. 2306 */ 2307 static void 2308 iwh_rx_mpdu_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc) 2309 { 2310 ieee80211com_t *ic = &sc->sc_ic; 2311 #ifdef DEBUG 2312 iwh_rx_ring_t *ring = &sc->sc_rxq; 2313 #endif 2314 struct ieee80211_frame *wh; 2315 struct iwh_rx_non_cfg_phy *phyinfo; 2316 struct iwh_rx_mpdu_body_size *mpdu_size; 2317 mblk_t *mp; 2318 int16_t t; 2319 uint16_t len, rssi, agc; 2320 uint32_t temp, crc, *tail; 2321 uint32_t arssi, brssi, crssi, mrssi; 2322 iwh_rx_phy_res_t *stat; 2323 ieee80211_node_t *in; 2324 2325 /* 2326 * assuming not 11n here. cope with 11n in phase-II 2327 */ 2328 mpdu_size = (struct iwh_rx_mpdu_body_size *)(desc + 1); 2329 stat = (iwh_rx_phy_res_t *)sc->sc_rx_phy_res.buf; 2330 if (stat->cfg_phy_cnt > 20) { 2331 return; 2332 } 2333 2334 phyinfo = (struct iwh_rx_non_cfg_phy *)stat->non_cfg_phy; 2335 temp = LE_32(phyinfo->non_cfg_phy[IWH_RX_RES_AGC_IDX]); 2336 agc = (temp & IWH_OFDM_AGC_MSK) >> IWH_OFDM_AGC_BIT_POS; 2337 2338 temp = LE_32(phyinfo->non_cfg_phy[IWH_RX_RES_RSSI_AB_IDX]); 2339 arssi = (temp & IWH_OFDM_RSSI_A_MSK) >> IWH_OFDM_RSSI_A_BIT_POS; 2340 brssi = (temp & IWH_OFDM_RSSI_B_MSK) >> IWH_OFDM_RSSI_B_BIT_POS; 2341 2342 temp = LE_32(phyinfo->non_cfg_phy[IWH_RX_RES_RSSI_C_IDX]); 2343 crssi = (temp & IWH_OFDM_RSSI_C_MSK) >> IWH_OFDM_RSSI_C_BIT_POS; 2344 2345 mrssi = MAX(arssi, brssi); 2346 mrssi = MAX(mrssi, crssi); 2347 2348 t = mrssi - agc - IWH_RSSI_OFFSET; 2349 /* 2350 * convert dBm to percentage 2351 */ 2352 rssi = (100 * 75 * 75 - (-20 - t) * (15 * 75 + 62 * (-20 - t))) 2353 / (75 * 75); 2354 if (rssi > 100) { 2355 rssi = 100; 2356 } 2357 if (rssi < 1) { 2358 rssi = 1; 2359 } 2360 2361 /* 2362 * size of frame, not include FCS 2363 */ 2364 len = LE_16(mpdu_size->byte_count); 2365 tail = (uint32_t *)((uint8_t *)(desc + 1) + 2366 sizeof (struct iwh_rx_mpdu_body_size) + len); 2367 bcopy(tail, &crc, 4); 2368 2369 IWH_DBG((IWH_DEBUG_RX, "iwh_rx_mpdu_intr(): " 2370 "rx intr: idx=%d phy_len=%x len=%d " 2371 "rate=%x chan=%d tstamp=%x non_cfg_phy_count=%x " 2372 "cfg_phy_count=%x tail=%x", ring->cur, sizeof (*stat), 2373 len, stat->rate.r.s.rate, stat->channel, 2374 LE_32(stat->timestampl), stat->non_cfg_phy_cnt, 2375 stat->cfg_phy_cnt, LE_32(crc))); 2376 2377 if ((len < 16) || (len > sc->sc_dmabuf_sz)) { 2378 IWH_DBG((IWH_DEBUG_RX, "iwh_rx_mpdu_intr(): " 2379 "rx frame oversize\n")); 2380 return; 2381 } 2382 2383 /* 2384 * discard Rx frames with bad CRC 2385 */ 2386 if ((LE_32(crc) & 2387 (RX_RES_STATUS_NO_CRC32_ERROR | RX_RES_STATUS_NO_RXE_OVERFLOW)) != 2388 (RX_RES_STATUS_NO_CRC32_ERROR | RX_RES_STATUS_NO_RXE_OVERFLOW)) { 2389 IWH_DBG((IWH_DEBUG_RX, "iwh_rx_mpdu_intr(): " 2390 "rx crc error tail: %x\n", 2391 LE_32(crc))); 2392 sc->sc_rx_err++; 2393 return; 2394 } 2395 2396 wh = (struct ieee80211_frame *) 2397 ((uint8_t *)(desc + 1)+ sizeof (struct iwh_rx_mpdu_body_size)); 2398 2399 if (IEEE80211_FC0_SUBTYPE_ASSOC_RESP == *(uint8_t *)wh) { 2400 sc->sc_assoc_id = *((uint16_t *)(wh + 1) + 2); 2401 IWH_DBG((IWH_DEBUG_RX, "iwh_rx_mpdu_intr(): " 2402 "rx : association id = %x\n", 2403 sc->sc_assoc_id)); 2404 } 2405 2406 #ifdef DEBUG 2407 if (iwh_dbg_flags & IWH_DEBUG_RX) { 2408 ieee80211_dump_pkt((uint8_t *)wh, len, 0, 0); 2409 } 2410 #endif 2411 2412 in = ieee80211_find_rxnode(ic, wh); 2413 mp = allocb(len, BPRI_MED); 2414 if (mp) { 2415 bcopy(wh, mp->b_wptr, len); 2416 mp->b_wptr += len; 2417 2418 /* 2419 * send the frame to the 802.11 layer 2420 */ 2421 (void) ieee80211_input(ic, mp, in, rssi, 0); 2422 } else { 2423 sc->sc_rx_nobuf++; 2424 IWH_DBG((IWH_DEBUG_RX, "iwh_rx_mpdu_intr(): " 2425 "alloc rx buf failed\n")); 2426 } 2427 2428 /* 2429 * release node reference 2430 */ 2431 ieee80211_free_node(in); 2432 } 2433 2434 /* 2435 * process correlative affairs after a frame is sent. 2436 */ 2437 static void 2438 iwh_tx_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc) 2439 { 2440 ieee80211com_t *ic = &sc->sc_ic; 2441 iwh_tx_ring_t *ring = &sc->sc_txq[desc->hdr.qid & 0x3]; 2442 iwh_tx_stat_t *stat = (iwh_tx_stat_t *)(desc + 1); 2443 iwh_amrr_t *amrr; 2444 2445 if (NULL == ic->ic_bss) { 2446 return; 2447 } 2448 2449 amrr = (iwh_amrr_t *)ic->ic_bss; 2450 2451 amrr->txcnt++; 2452 IWH_DBG((IWH_DEBUG_RATECTL, "iwh_tx_intr(): " 2453 "tx: %d cnt\n", amrr->txcnt)); 2454 2455 if (stat->ntries > 0) { 2456 amrr->retrycnt++; 2457 sc->sc_tx_retries++; 2458 IWH_DBG((IWH_DEBUG_TX, "iwh_tx_intr(): " 2459 "tx: %d retries\n", 2460 sc->sc_tx_retries)); 2461 } 2462 2463 mutex_enter(&sc->sc_mt_lock); 2464 sc->sc_tx_timer = 0; 2465 mutex_exit(&sc->sc_mt_lock); 2466 2467 mutex_enter(&sc->sc_tx_lock); 2468 2469 ring->queued--; 2470 if (ring->queued < 0) { 2471 ring->queued = 0; 2472 } 2473 2474 if ((sc->sc_need_reschedule) && (ring->queued <= (ring->count >> 3))) { 2475 sc->sc_need_reschedule = 0; 2476 mutex_exit(&sc->sc_tx_lock); 2477 mac_tx_update(ic->ic_mach); 2478 mutex_enter(&sc->sc_tx_lock); 2479 } 2480 2481 mutex_exit(&sc->sc_tx_lock); 2482 } 2483 2484 /* 2485 * inform a given command has been executed 2486 */ 2487 static void 2488 iwh_cmd_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc) 2489 { 2490 if ((desc->hdr.qid & 7) != 4) { 2491 return; 2492 } 2493 2494 if (sc->sc_cmd_accum > 0) { 2495 sc->sc_cmd_accum--; 2496 return; 2497 } 2498 2499 mutex_enter(&sc->sc_glock); 2500 2501 sc->sc_cmd_flag = SC_CMD_FLG_DONE; 2502 2503 cv_signal(&sc->sc_cmd_cv); 2504 2505 mutex_exit(&sc->sc_glock); 2506 2507 IWH_DBG((IWH_DEBUG_CMD, "iwh_cmd_intr(): " 2508 "qid=%x idx=%d flags=%x type=0x%x\n", 2509 desc->hdr.qid, desc->hdr.idx, desc->hdr.flags, 2510 desc->hdr.type)); 2511 } 2512 2513 /* 2514 * this function will be invoked when alive notification occur. 2515 */ 2516 static void 2517 iwh_ucode_alive(iwh_sc_t *sc, iwh_rx_desc_t *desc) 2518 { 2519 uint32_t rv; 2520 struct iwh_calib_cfg_cmd cmd; 2521 struct iwh_alive_resp *ar = 2522 (struct iwh_alive_resp *)(desc + 1); 2523 struct iwh_calib_results *res_p = &sc->sc_calib_results; 2524 2525 /* 2526 * the microcontroller is ready 2527 */ 2528 IWH_DBG((IWH_DEBUG_FW, "iwh_ucode_alive(): " 2529 "microcode alive notification minor: %x major: %x type: " 2530 "%x subtype: %x\n", 2531 ar->ucode_minor, ar->ucode_minor, ar->ver_type, ar->ver_subtype)); 2532 2533 #ifdef DEBUG 2534 if (LE_32(ar->is_valid) != UCODE_VALID_OK) { 2535 IWH_DBG((IWH_DEBUG_FW, "iwh_ucode_alive(): " 2536 "microcontroller initialization failed\n")); 2537 } 2538 #endif 2539 2540 /* 2541 * determine if init alive or runtime alive. 2542 */ 2543 if (INITIALIZE_SUBTYPE == ar->ver_subtype) { 2544 IWH_DBG((IWH_DEBUG_FW, "iwh_ucode_alive(): " 2545 "initialization alive received.\n")); 2546 2547 bcopy(ar, &sc->sc_card_alive_init, 2548 sizeof (struct iwh_init_alive_resp)); 2549 2550 /* 2551 * necessary configuration to NIC 2552 */ 2553 mutex_enter(&sc->sc_glock); 2554 2555 rv = iwh_alive_common(sc); 2556 if (rv != IWH_SUCCESS) { 2557 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2558 "common alive process failed in init alive.\n"); 2559 mutex_exit(&sc->sc_glock); 2560 return; 2561 } 2562 2563 (void) memset(&cmd, 0, sizeof (cmd)); 2564 2565 cmd.ucd_calib_cfg.once.is_enable = IWH_CALIB_INIT_CFG_ALL; 2566 cmd.ucd_calib_cfg.once.start = IWH_CALIB_INIT_CFG_ALL; 2567 cmd.ucd_calib_cfg.once.send_res = IWH_CALIB_INIT_CFG_ALL; 2568 cmd.ucd_calib_cfg.flags = IWH_CALIB_INIT_CFG_ALL; 2569 2570 /* 2571 * require ucode execute calibration 2572 */ 2573 rv = iwh_cmd(sc, CALIBRATION_CFG_CMD, &cmd, sizeof (cmd), 1); 2574 if (rv != IWH_SUCCESS) { 2575 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2576 "failed to send calibration configure command.\n"); 2577 mutex_exit(&sc->sc_glock); 2578 return; 2579 } 2580 2581 mutex_exit(&sc->sc_glock); 2582 2583 } else { /* runtime alive */ 2584 2585 IWH_DBG((IWH_DEBUG_FW, "iwh_ucode_alive(): " 2586 "runtime alive received.\n")); 2587 2588 bcopy(ar, &sc->sc_card_alive_run, 2589 sizeof (struct iwh_alive_resp)); 2590 2591 mutex_enter(&sc->sc_glock); 2592 2593 /* 2594 * necessary configuration to NIC 2595 */ 2596 rv = iwh_alive_common(sc); 2597 if (rv != IWH_SUCCESS) { 2598 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2599 "common alive process failed in run alive.\n"); 2600 mutex_exit(&sc->sc_glock); 2601 return; 2602 } 2603 2604 /* 2605 * send the result of local oscilator calibration to uCode. 2606 */ 2607 if (res_p->lo_res != NULL) { 2608 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 2609 res_p->lo_res, res_p->lo_res_len, 1); 2610 if (rv != IWH_SUCCESS) { 2611 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2612 "failed to send local" 2613 "oscilator calibration command.\n"); 2614 mutex_exit(&sc->sc_glock); 2615 return; 2616 } 2617 2618 DELAY(1000); 2619 } 2620 2621 /* 2622 * send the result of TX IQ calibration to uCode. 2623 */ 2624 if (res_p->tx_iq_res != NULL) { 2625 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 2626 res_p->tx_iq_res, res_p->tx_iq_res_len, 1); 2627 if (rv != IWH_SUCCESS) { 2628 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2629 "failed to send TX IQ" 2630 "calibration command.\n"); 2631 mutex_exit(&sc->sc_glock); 2632 return; 2633 } 2634 2635 DELAY(1000); 2636 } 2637 2638 /* 2639 * sned the result of TX IQ perd calibration to uCode. 2640 */ 2641 if (res_p->tx_iq_perd_res != NULL) { 2642 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 2643 res_p->tx_iq_perd_res, 2644 res_p->tx_iq_perd_res_len, 1); 2645 if (rv != IWH_SUCCESS) { 2646 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2647 "failed to send TX IQ perd" 2648 "calibration command.\n"); 2649 mutex_exit(&sc->sc_glock); 2650 return; 2651 } 2652 2653 DELAY(1000); 2654 } 2655 2656 /* 2657 * send the result of DC calibration to uCode. 2658 */ 2659 if (res_p->dc_res != NULL) { 2660 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 2661 res_p->dc_res, 2662 res_p->dc_res_len, 1); 2663 if (rv != IWH_SUCCESS) { 2664 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2665 "failed to send DC" 2666 "calibration command.\n"); 2667 mutex_exit(&sc->sc_glock); 2668 return; 2669 } 2670 2671 DELAY(1000); 2672 } 2673 2674 /* 2675 * send the result of BASE BAND calibration to uCode. 2676 */ 2677 if (res_p->base_band_res != NULL) { 2678 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 2679 res_p->base_band_res, 2680 res_p->base_band_res_len, 1); 2681 if (rv != IWH_SUCCESS) { 2682 cmn_err(CE_WARN, "iwh_ucode_alive(): " 2683 "failed to send BASE BAND" 2684 "calibration command.\n"); 2685 mutex_exit(&sc->sc_glock); 2686 return; 2687 } 2688 2689 DELAY(1000); 2690 } 2691 2692 atomic_or_32(&sc->sc_flags, IWH_F_FW_INIT); 2693 cv_signal(&sc->sc_ucode_cv); 2694 2695 mutex_exit(&sc->sc_glock); 2696 } 2697 2698 } 2699 2700 /* 2701 * deal with receiving frames, command response 2702 * and all notifications from ucode. 2703 */ 2704 /* ARGSUSED */ 2705 static uint_t 2706 iwh_rx_softintr(caddr_t arg, caddr_t unused) 2707 { 2708 iwh_sc_t *sc; 2709 ieee80211com_t *ic; 2710 iwh_rx_desc_t *desc; 2711 iwh_rx_data_t *data; 2712 uint32_t index; 2713 2714 if (NULL == arg) { 2715 return (DDI_INTR_UNCLAIMED); 2716 } 2717 sc = (iwh_sc_t *)arg; 2718 ic = &sc->sc_ic; 2719 2720 /* 2721 * firmware has moved the index of the rx queue, driver get it, 2722 * and deal with it. 2723 */ 2724 index = (sc->sc_shared->val0) & 0xfff; 2725 2726 while (sc->sc_rxq.cur != index) { 2727 data = &sc->sc_rxq.data[sc->sc_rxq.cur]; 2728 desc = (iwh_rx_desc_t *)data->dma_data.mem_va; 2729 2730 IWH_DBG((IWH_DEBUG_INTR, "iwh_rx_softintr(): " 2731 "rx notification index = %d" 2732 " cur = %d qid=%x idx=%d flags=%x type=%x len=%d\n", 2733 index, sc->sc_rxq.cur, desc->hdr.qid, desc->hdr.idx, 2734 desc->hdr.flags, desc->hdr.type, LE_32(desc->len))); 2735 2736 /* 2737 * a command other than a tx need to be replied 2738 */ 2739 if (!(desc->hdr.qid & 0x80) && 2740 (desc->hdr.type != REPLY_SCAN_CMD) && 2741 (desc->hdr.type != REPLY_TX)) { 2742 iwh_cmd_intr(sc, desc); 2743 } 2744 2745 switch (desc->hdr.type) { 2746 case REPLY_RX_PHY_CMD: 2747 iwh_rx_phy_intr(sc, desc); 2748 break; 2749 2750 case REPLY_RX_MPDU_CMD: 2751 iwh_rx_mpdu_intr(sc, desc); 2752 break; 2753 2754 case REPLY_TX: 2755 iwh_tx_intr(sc, desc); 2756 break; 2757 2758 case REPLY_ALIVE: 2759 iwh_ucode_alive(sc, desc); 2760 break; 2761 2762 case CARD_STATE_NOTIFICATION: 2763 { 2764 uint32_t *status = (uint32_t *)(desc + 1); 2765 2766 IWH_DBG((IWH_DEBUG_RADIO, "iwh_rx_softintr(): " 2767 "state changed to %x\n", 2768 LE_32(*status))); 2769 2770 if (LE_32(*status) & 1) { 2771 /* 2772 * the radio button has to be pushed(OFF). It 2773 * is considered as a hw error, the 2774 * iwh_thread() tries to recover it after the 2775 * button is pushed again(ON) 2776 */ 2777 cmn_err(CE_NOTE, "iwh_rx_softintr(): " 2778 "radio transmitter is off\n"); 2779 sc->sc_ostate = sc->sc_ic.ic_state; 2780 ieee80211_new_state(&sc->sc_ic, 2781 IEEE80211_S_INIT, -1); 2782 atomic_or_32(&sc->sc_flags, 2783 (IWH_F_HW_ERR_RECOVER | IWH_F_RADIO_OFF)); 2784 } 2785 2786 break; 2787 } 2788 2789 case SCAN_START_NOTIFICATION: 2790 { 2791 iwh_start_scan_t *scan = 2792 (iwh_start_scan_t *)(desc + 1); 2793 2794 IWH_DBG((IWH_DEBUG_SCAN, "iwh_rx_softintr(): " 2795 "scanning channel %d status %x\n", 2796 scan->chan, LE_32(scan->status))); 2797 2798 ic->ic_curchan = &ic->ic_sup_channels[scan->chan]; 2799 break; 2800 } 2801 2802 case SCAN_COMPLETE_NOTIFICATION: 2803 { 2804 #ifdef DEBUG 2805 iwh_stop_scan_t *scan = 2806 (iwh_stop_scan_t *)(desc + 1); 2807 2808 IWH_DBG((IWH_DEBUG_SCAN, "iwh_rx_softintr(): " 2809 "completed channel %d (burst of %d) status %02x\n", 2810 scan->chan, scan->nchan, scan->status)); 2811 #endif 2812 2813 sc->sc_scan_pending++; 2814 break; 2815 } 2816 2817 case STATISTICS_NOTIFICATION: 2818 { 2819 /* 2820 * handle statistics notification 2821 */ 2822 break; 2823 } 2824 2825 case CALIBRATION_RES_NOTIFICATION: 2826 iwh_save_calib_result(sc, desc); 2827 break; 2828 2829 case CALIBRATION_COMPLETE_NOTIFICATION: 2830 mutex_enter(&sc->sc_glock); 2831 atomic_or_32(&sc->sc_flags, IWH_F_FW_INIT); 2832 cv_signal(&sc->sc_ucode_cv); 2833 mutex_exit(&sc->sc_glock); 2834 break; 2835 2836 case MISSED_BEACONS_NOTIFICATION: 2837 /* handle beacon miss by software mechanism */ 2838 break; 2839 } 2840 2841 sc->sc_rxq.cur = (sc->sc_rxq.cur + 1) % RX_QUEUE_SIZE; 2842 } 2843 2844 /* 2845 * driver dealt with what received in rx queue and tell the information 2846 * to the firmware. 2847 */ 2848 index = (0 == index) ? RX_QUEUE_SIZE - 1 : index - 1; 2849 IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, index & (~7)); 2850 2851 /* 2852 * re-enable interrupts 2853 */ 2854 IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK); 2855 2856 return (DDI_INTR_CLAIMED); 2857 } 2858 2859 /* 2860 * the handle of interrupt 2861 */ 2862 /* ARGSUSED */ 2863 static uint_t 2864 iwh_intr(caddr_t arg, caddr_t unused) 2865 { 2866 iwh_sc_t *sc; 2867 uint32_t r, rfh; 2868 2869 if (NULL == arg) { 2870 return (DDI_INTR_UNCLAIMED); 2871 } 2872 sc = (iwh_sc_t *)arg; 2873 2874 r = IWH_READ(sc, CSR_INT); 2875 if (0 == r || 0xffffffff == r) { 2876 return (DDI_INTR_UNCLAIMED); 2877 } 2878 2879 IWH_DBG((IWH_DEBUG_INTR, "iwh_intr(): " 2880 "interrupt reg %x\n", r)); 2881 2882 rfh = IWH_READ(sc, CSR_FH_INT_STATUS); 2883 2884 IWH_DBG((IWH_DEBUG_INTR, "iwh_intr(): " 2885 "FH interrupt reg %x\n", rfh)); 2886 2887 /* 2888 * disable interrupts 2889 */ 2890 IWH_WRITE(sc, CSR_INT_MASK, 0); 2891 2892 /* 2893 * ack interrupts 2894 */ 2895 IWH_WRITE(sc, CSR_INT, r); 2896 IWH_WRITE(sc, CSR_FH_INT_STATUS, rfh); 2897 2898 if (r & (BIT_INT_SWERROR | BIT_INT_ERR)) { 2899 IWH_DBG((IWH_DEBUG_FW, "iwh_intr(): " 2900 "fatal firmware error\n")); 2901 iwh_stop(sc); 2902 sc->sc_ostate = sc->sc_ic.ic_state; 2903 2904 /* 2905 * notify upper layer 2906 */ 2907 if (!IWH_CHK_FAST_RECOVER(sc)) { 2908 ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1); 2909 } 2910 2911 atomic_or_32(&sc->sc_flags, IWH_F_HW_ERR_RECOVER); 2912 return (DDI_INTR_CLAIMED); 2913 } 2914 2915 if (r & BIT_INT_RF_KILL) { 2916 uint32_t tmp = IWH_READ(sc, CSR_GP_CNTRL); 2917 if (tmp & (1 << 27)) { 2918 cmn_err(CE_NOTE, "RF switch: radio on\n"); 2919 } 2920 } 2921 2922 if ((r & (BIT_INT_FH_RX | BIT_INT_SW_RX)) || 2923 (rfh & FH_INT_RX_MASK)) { 2924 (void) ddi_intr_trigger_softint(sc->sc_soft_hdl, NULL); 2925 return (DDI_INTR_CLAIMED); 2926 } 2927 2928 if (r & BIT_INT_FH_TX) { 2929 mutex_enter(&sc->sc_glock); 2930 atomic_or_32(&sc->sc_flags, IWH_F_PUT_SEG); 2931 cv_signal(&sc->sc_put_seg_cv); 2932 mutex_exit(&sc->sc_glock); 2933 } 2934 2935 #ifdef DEBUG 2936 if (r & BIT_INT_ALIVE) { 2937 IWH_DBG((IWH_DEBUG_FW, "iwh_intr(): " 2938 "firmware initialized.\n")); 2939 } 2940 #endif 2941 2942 /* 2943 * re-enable interrupts 2944 */ 2945 IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK); 2946 2947 return (DDI_INTR_CLAIMED); 2948 } 2949 2950 static uint8_t 2951 iwh_rate_to_plcp(int rate) 2952 { 2953 uint8_t ret; 2954 2955 switch (rate) { 2956 /* 2957 * CCK rates 2958 */ 2959 case 2: 2960 ret = 0xa; 2961 break; 2962 2963 case 4: 2964 ret = 0x14; 2965 break; 2966 2967 case 11: 2968 ret = 0x37; 2969 break; 2970 2971 case 22: 2972 ret = 0x6e; 2973 break; 2974 2975 /* 2976 * OFDM rates 2977 */ 2978 case 12: 2979 ret = 0xd; 2980 break; 2981 2982 case 18: 2983 ret = 0xf; 2984 break; 2985 2986 case 24: 2987 ret = 0x5; 2988 break; 2989 2990 case 36: 2991 ret = 0x7; 2992 break; 2993 2994 case 48: 2995 ret = 0x9; 2996 break; 2997 2998 case 72: 2999 ret = 0xb; 3000 break; 3001 3002 case 96: 3003 ret = 0x1; 3004 break; 3005 3006 case 108: 3007 ret = 0x3; 3008 break; 3009 3010 default: 3011 ret = 0; 3012 break; 3013 } 3014 3015 return (ret); 3016 } 3017 3018 /* 3019 * invoked by GLD send frames 3020 */ 3021 static mblk_t * 3022 iwh_m_tx(void *arg, mblk_t *mp) 3023 { 3024 iwh_sc_t *sc; 3025 ieee80211com_t *ic; 3026 mblk_t *next; 3027 3028 if (NULL == arg) { 3029 return (NULL); 3030 } 3031 sc = (iwh_sc_t *)arg; 3032 ic = &sc->sc_ic; 3033 3034 if (sc->sc_flags & IWH_F_SUSPEND) { 3035 freemsgchain(mp); 3036 return (NULL); 3037 } 3038 3039 if (ic->ic_state != IEEE80211_S_RUN) { 3040 freemsgchain(mp); 3041 return (NULL); 3042 } 3043 3044 if ((sc->sc_flags & IWH_F_HW_ERR_RECOVER) && 3045 IWH_CHK_FAST_RECOVER(sc)) { 3046 IWH_DBG((IWH_DEBUG_FW, "iwh_m_tx(): " 3047 "hold queue\n")); 3048 return (mp); 3049 } 3050 3051 while (mp != NULL) { 3052 next = mp->b_next; 3053 mp->b_next = NULL; 3054 if (iwh_send(ic, mp, IEEE80211_FC0_TYPE_DATA) != 0) { 3055 mp->b_next = next; 3056 break; 3057 } 3058 mp = next; 3059 } 3060 3061 return (mp); 3062 } 3063 3064 /* 3065 * send frames 3066 */ 3067 static int 3068 iwh_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type) 3069 { 3070 iwh_sc_t *sc; 3071 iwh_tx_ring_t *ring; 3072 iwh_tx_desc_t *desc; 3073 iwh_tx_data_t *data; 3074 iwh_tx_data_t *desc_data; 3075 iwh_cmd_t *cmd; 3076 iwh_tx_cmd_t *tx; 3077 ieee80211_node_t *in; 3078 struct ieee80211_frame *wh, *mp_wh; 3079 struct ieee80211_key *k = NULL; 3080 mblk_t *m, *m0; 3081 int hdrlen, len, len0, mblen, off, err = IWH_SUCCESS; 3082 uint16_t masks = 0; 3083 uint32_t rate, s_id = 0; 3084 int txq_id = NON_QOS_TXQ; 3085 struct ieee80211_qosframe *qwh = NULL; 3086 int tid = WME_TID_INVALID; 3087 3088 if (NULL == ic) { 3089 return (IWH_FAIL); 3090 } 3091 sc = (iwh_sc_t *)ic; 3092 3093 if (sc->sc_flags & IWH_F_SUSPEND) { 3094 if ((type & IEEE80211_FC0_TYPE_MASK) != 3095 IEEE80211_FC0_TYPE_DATA) { 3096 freemsg(mp); 3097 } 3098 err = IWH_FAIL; 3099 goto exit; 3100 } 3101 3102 if ((NULL == mp) || (MBLKL(mp) <= 0)) { 3103 return (IWH_FAIL); 3104 } 3105 3106 mp_wh = (struct ieee80211_frame *)mp->b_rptr; 3107 3108 /* 3109 * Determine send which AP or station in IBSS 3110 */ 3111 in = ieee80211_find_txnode(ic, mp_wh->i_addr1); 3112 if (NULL == in) { 3113 cmn_err(CE_WARN, "iwh_send(): " 3114 "failed to find tx node\n"); 3115 freemsg(mp); 3116 sc->sc_tx_err++; 3117 err = IWH_SUCCESS; 3118 goto exit; 3119 } 3120 3121 /* 3122 * Determine TX queue according to traffic ID in frame 3123 * if working in QoS mode. 3124 */ 3125 if (in->in_flags & IEEE80211_NODE_QOS) { 3126 3127 if ((type & IEEE80211_FC0_TYPE_MASK) == 3128 IEEE80211_FC0_TYPE_DATA) { 3129 3130 if (mp_wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_QOS) { 3131 qwh = (struct ieee80211_qosframe *)mp_wh; 3132 3133 tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 3134 txq_id = iwh_wme_tid_to_txq(tid); 3135 3136 if (txq_id < TXQ_FOR_AC_MIN || 3137 (txq_id > TXQ_FOR_AC_MAX)) { 3138 freemsg(mp); 3139 sc->sc_tx_err++; 3140 err = IWH_SUCCESS; 3141 goto exit; 3142 } 3143 3144 } else { 3145 txq_id = NON_QOS_TXQ; 3146 } 3147 3148 } else if ((type & IEEE80211_FC0_TYPE_MASK) == 3149 IEEE80211_FC0_TYPE_MGT) { 3150 txq_id = QOS_TXQ_FOR_MGT; 3151 } else { 3152 txq_id = NON_QOS_TXQ; 3153 } 3154 3155 } else { 3156 txq_id = NON_QOS_TXQ; 3157 } 3158 3159 mutex_enter(&sc->sc_tx_lock); 3160 ring = &sc->sc_txq[txq_id]; 3161 data = &ring->data[ring->cur]; 3162 cmd = data->cmd; 3163 bzero(cmd, sizeof (*cmd)); 3164 3165 ring->cur = (ring->cur + 1) % ring->count; 3166 3167 /* 3168 * Need reschedule TX if TX buffer is full. 3169 */ 3170 if (ring->queued > ring->count - IWH_MAX_WIN_SIZE) { 3171 IWH_DBG((IWH_DEBUG_TX, "iwh_send(): " 3172 "no txbuf\n")); 3173 3174 sc->sc_need_reschedule = 1; 3175 mutex_exit(&sc->sc_tx_lock); 3176 3177 if ((type & IEEE80211_FC0_TYPE_MASK) != 3178 IEEE80211_FC0_TYPE_DATA) { 3179 freemsg(mp); 3180 } 3181 sc->sc_tx_nobuf++; 3182 err = IWH_FAIL; 3183 goto exit; 3184 } 3185 3186 ring->queued++; 3187 3188 mutex_exit(&sc->sc_tx_lock); 3189 3190 hdrlen = ieee80211_hdrspace(ic, mp->b_rptr); 3191 3192 m = allocb(msgdsize(mp) + 32, BPRI_MED); 3193 if (NULL == m) { /* can not alloc buf, drop this package */ 3194 cmn_err(CE_WARN, "iwh_send(): " 3195 "failed to allocate msgbuf\n"); 3196 freemsg(mp); 3197 3198 mutex_enter(&sc->sc_tx_lock); 3199 ring->queued--; 3200 if ((sc->sc_need_reschedule) && (ring->queued <= 0)) { 3201 sc->sc_need_reschedule = 0; 3202 mutex_exit(&sc->sc_tx_lock); 3203 mac_tx_update(ic->ic_mach); 3204 mutex_enter(&sc->sc_tx_lock); 3205 } 3206 mutex_exit(&sc->sc_tx_lock); 3207 3208 err = IWH_SUCCESS; 3209 goto exit; 3210 } 3211 3212 for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) { 3213 mblen = MBLKL(m0); 3214 bcopy(m0->b_rptr, m->b_rptr + off, mblen); 3215 off += mblen; 3216 } 3217 3218 m->b_wptr += off; 3219 3220 wh = (struct ieee80211_frame *)m->b_rptr; 3221 3222 /* 3223 * Net80211 module encapsulate outbound data frames. 3224 * Add some feilds of 80211 frame. 3225 */ 3226 if ((type & IEEE80211_FC0_TYPE_MASK) == 3227 IEEE80211_FC0_TYPE_DATA) { 3228 (void) ieee80211_encap(ic, m, in); 3229 } 3230 3231 freemsg(mp); 3232 3233 cmd->hdr.type = REPLY_TX; 3234 cmd->hdr.flags = 0; 3235 cmd->hdr.qid = ring->qid; 3236 3237 tx = (iwh_tx_cmd_t *)cmd->data; 3238 tx->tx_flags = 0; 3239 3240 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3241 tx->tx_flags &= ~(LE_32(TX_CMD_FLG_ACK_MSK)); 3242 } else { 3243 tx->tx_flags |= LE_32(TX_CMD_FLG_ACK_MSK); 3244 } 3245 3246 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 3247 k = ieee80211_crypto_encap(ic, m); 3248 if (NULL == k) { 3249 freemsg(m); 3250 sc->sc_tx_err++; 3251 3252 mutex_enter(&sc->sc_tx_lock); 3253 ring->queued--; 3254 if ((sc->sc_need_reschedule) && (ring->queued <= 0)) { 3255 sc->sc_need_reschedule = 0; 3256 mutex_exit(&sc->sc_tx_lock); 3257 mac_tx_update(ic->ic_mach); 3258 mutex_enter(&sc->sc_tx_lock); 3259 } 3260 mutex_exit(&sc->sc_tx_lock); 3261 3262 err = IWH_SUCCESS; 3263 goto exit; 3264 } 3265 3266 /* 3267 * packet header may have moved, reset our local pointer 3268 */ 3269 wh = (struct ieee80211_frame *)m->b_rptr; 3270 } 3271 3272 len = msgdsize(m); 3273 3274 #ifdef DEBUG 3275 if (iwh_dbg_flags & IWH_DEBUG_TX) { 3276 ieee80211_dump_pkt((uint8_t *)wh, hdrlen, 0, 0); 3277 } 3278 #endif 3279 3280 tx->rts_retry_limit = IWH_TX_RTS_RETRY_LIMIT; 3281 tx->data_retry_limit = IWH_TX_DATA_RETRY_LIMIT; 3282 3283 /* 3284 * specific TX parameters for management frames 3285 */ 3286 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 3287 IEEE80211_FC0_TYPE_MGT) { 3288 /* 3289 * mgmt frames are sent at 1M 3290 */ 3291 if ((in->in_rates.ir_rates[0] & 3292 IEEE80211_RATE_VAL) != 0) { 3293 rate = in->in_rates.ir_rates[0] & IEEE80211_RATE_VAL; 3294 } else { 3295 rate = 2; 3296 } 3297 3298 tx->tx_flags |= LE_32(TX_CMD_FLG_SEQ_CTL_MSK); 3299 3300 /* 3301 * tell h/w to set timestamp in probe responses 3302 */ 3303 if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 3304 IEEE80211_FC0_SUBTYPE_PROBE_RESP) { 3305 tx->tx_flags |= LE_32(TX_CMD_FLG_TSF_MSK); 3306 3307 tx->data_retry_limit = 3; 3308 if (tx->data_retry_limit < tx->rts_retry_limit) { 3309 tx->rts_retry_limit = tx->data_retry_limit; 3310 } 3311 } 3312 3313 if (((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 3314 IEEE80211_FC0_SUBTYPE_ASSOC_REQ) || 3315 ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 3316 IEEE80211_FC0_SUBTYPE_REASSOC_REQ)) { 3317 tx->timeout.pm_frame_timeout = LE_16(3); 3318 } else { 3319 tx->timeout.pm_frame_timeout = LE_16(2); 3320 } 3321 3322 } else { 3323 /* 3324 * do it here for the software way rate scaling. 3325 * later for rate scaling in hardware. 3326 * 3327 * now the txrate is determined in tx cmd flags, set to the 3328 * max value 54M for 11g and 11M for 11b and 96M for 11n 3329 * originally. 3330 */ 3331 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) { 3332 rate = ic->ic_fixed_rate; 3333 } else { 3334 if ((in->in_flags & IEEE80211_NODE_HT) && 3335 (sc->sc_ht_conf.ht_support)) { 3336 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 3337 rate = amrr->ht_mcs_idx; 3338 } else { 3339 if ((in->in_rates.ir_rates[in->in_txrate] & 3340 IEEE80211_RATE_VAL) != 0) { 3341 rate = in->in_rates. 3342 ir_rates[in->in_txrate] & 3343 IEEE80211_RATE_VAL; 3344 } 3345 } 3346 } 3347 3348 if (tid != WME_TID_INVALID) { 3349 tx->tid_tspec = (uint8_t)tid; 3350 tx->tx_flags &= LE_32(~TX_CMD_FLG_SEQ_CTL_MSK); 3351 } else { 3352 tx->tx_flags |= LE_32(TX_CMD_FLG_SEQ_CTL_MSK); 3353 } 3354 3355 tx->timeout.pm_frame_timeout = 0; 3356 } 3357 3358 IWH_DBG((IWH_DEBUG_TX, "iwh_send(): " 3359 "tx rate[%d of %d] = %x", 3360 in->in_txrate, in->in_rates.ir_nrates, rate)); 3361 3362 len0 = roundup(4 + sizeof (iwh_tx_cmd_t) + hdrlen, 4); 3363 if (len0 != (4 + sizeof (iwh_tx_cmd_t) + hdrlen)) { 3364 tx->tx_flags |= LE_32(TX_CMD_FLG_MH_PAD_MSK); 3365 } 3366 3367 /* 3368 * retrieve destination node's id 3369 */ 3370 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3371 tx->sta_id = IWH_BROADCAST_ID; 3372 } else { 3373 tx->sta_id = IWH_AP_ID; 3374 } 3375 3376 if ((in->in_flags & IEEE80211_NODE_HT) && 3377 (sc->sc_ht_conf.ht_support) && 3378 ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 3379 IEEE80211_FC0_TYPE_DATA)) { 3380 if (rate >= HT_2CHAIN_RATE_MIN_IDX) { 3381 rate |= LE_32(RATE_MCS_ANT_AB_MSK); 3382 } else { 3383 rate |= LE_32(RATE_MCS_ANT_B_MSK); 3384 } 3385 3386 rate |= LE_32((1 << RATE_MCS_HT_POS)); 3387 3388 tx->rate.r.rate_n_flags = rate; 3389 3390 } else { 3391 if (2 == rate || 4 == rate || 11 == rate || 22 == rate) { 3392 masks |= RATE_MCS_CCK_MSK; 3393 } 3394 3395 masks |= RATE_MCS_ANT_B_MSK; 3396 tx->rate.r.rate_n_flags = LE_32(iwh_rate_to_plcp(rate) | masks); 3397 } 3398 3399 IWH_DBG((IWH_DEBUG_TX, "iwh_send(): " 3400 "tx flag = %x", 3401 tx->tx_flags)); 3402 3403 tx->stop_time.life_time = LE_32(0xffffffff); 3404 3405 tx->len = LE_16(len); 3406 3407 tx->dram_lsb_ptr = 3408 LE_32(data->paddr_cmd + 4 + offsetof(iwh_tx_cmd_t, scratch)); 3409 tx->dram_msb_ptr = 0; 3410 tx->driver_txop = 0; 3411 tx->next_frame_len = 0; 3412 3413 bcopy(m->b_rptr, tx + 1, hdrlen); 3414 m->b_rptr += hdrlen; 3415 bcopy(m->b_rptr, data->dma_data.mem_va, (len - hdrlen)); 3416 3417 IWH_DBG((IWH_DEBUG_TX, "iwh_send(): " 3418 "sending data: qid=%d idx=%d len=%d", 3419 ring->qid, ring->cur, len)); 3420 3421 /* 3422 * first segment includes the tx cmd plus the 802.11 header, 3423 * the second includes the remaining of the 802.11 frame. 3424 */ 3425 3426 mutex_enter(&sc->sc_tx_lock); 3427 cmd->hdr.idx = ring->desc_cur; 3428 desc_data = &ring->data[ring->desc_cur]; 3429 desc = desc_data->desc; 3430 bzero(desc, sizeof (*desc)); 3431 desc->val0 = 2 << 24; 3432 desc->pa[0].tb1_addr = data->paddr_cmd; 3433 desc->pa[0].val1 = ((len0 << 4) & 0xfff0) | 3434 ((data->dma_data.cookie.dmac_address & 0xffff) << 16); 3435 desc->pa[0].val2 = 3436 ((data->dma_data.cookie.dmac_address & 0xffff0000) >> 16) | 3437 ((len - hdrlen) << 20); 3438 IWH_DBG((IWH_DEBUG_TX, "iwh_send(): " 3439 "phy addr1 = 0x%x phy addr2 = 0x%x " 3440 "len1 = 0x%x, len2 = 0x%x val1 = 0x%x val2 = 0x%x", 3441 data->paddr_cmd, data->dma_data.cookie.dmac_address, 3442 len0, len - hdrlen, desc->pa[0].val1, desc->pa[0].val2)); 3443 3444 /* 3445 * kick ring 3446 */ 3447 s_id = tx->sta_id; 3448 3449 sc->sc_shared->queues_byte_cnt_tbls[ring->qid]. 3450 tfd_offset[ring->desc_cur].val = 3451 (8 + len) | (s_id << 12); 3452 if (ring->desc_cur < IWH_MAX_WIN_SIZE) { 3453 sc->sc_shared->queues_byte_cnt_tbls[ring->qid]. 3454 tfd_offset[IWH_QUEUE_SIZE + ring->desc_cur].val = 3455 (8 + len) | (s_id << 12); 3456 } 3457 3458 IWH_DMA_SYNC(data->dma_data, DDI_DMA_SYNC_FORDEV); 3459 IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV); 3460 3461 ring->desc_cur = (ring->desc_cur + 1) % ring->count; 3462 IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->desc_cur); 3463 3464 mutex_exit(&sc->sc_tx_lock); 3465 freemsg(m); 3466 3467 /* 3468 * release node reference 3469 */ 3470 ieee80211_free_node(in); 3471 3472 ic->ic_stats.is_tx_bytes += len; 3473 ic->ic_stats.is_tx_frags++; 3474 3475 mutex_enter(&sc->sc_mt_lock); 3476 if (0 == sc->sc_tx_timer) { 3477 sc->sc_tx_timer = 4; 3478 } 3479 mutex_exit(&sc->sc_mt_lock); 3480 3481 exit: 3482 return (err); 3483 } 3484 3485 /* 3486 * invoked by GLD to deal with IOCTL affaires 3487 */ 3488 static void 3489 iwh_m_ioctl(void* arg, queue_t *wq, mblk_t *mp) 3490 { 3491 iwh_sc_t *sc; 3492 ieee80211com_t *ic; 3493 int err = EINVAL; 3494 3495 if (NULL == arg) { 3496 return; 3497 } 3498 sc = (iwh_sc_t *)arg; 3499 ic = &sc->sc_ic; 3500 3501 err = ieee80211_ioctl(ic, wq, mp); 3502 if (ENETRESET == err) { 3503 /* 3504 * This is special for the hidden AP connection. 3505 * In any case, we should make sure only one 'scan' 3506 * in the driver for a 'connect' CLI command. So 3507 * when connecting to a hidden AP, the scan is just 3508 * sent out to the air when we know the desired 3509 * essid of the AP we want to connect. 3510 */ 3511 if (ic->ic_des_esslen) { 3512 if (sc->sc_flags & IWH_F_RUNNING) { 3513 iwh_m_stop(sc); 3514 (void) iwh_m_start(sc); 3515 (void) ieee80211_new_state(ic, 3516 IEEE80211_S_SCAN, -1); 3517 } 3518 } 3519 } 3520 } 3521 3522 /* 3523 * Call back functions for get/set proporty 3524 */ 3525 static int 3526 iwh_m_getprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num, 3527 uint_t wldp_length, void *wldp_buf) 3528 { 3529 iwh_sc_t *sc; 3530 int err = EINVAL; 3531 3532 if (NULL == arg) { 3533 return (EINVAL); 3534 } 3535 sc = (iwh_sc_t *)arg; 3536 3537 err = ieee80211_getprop(&sc->sc_ic, pr_name, wldp_pr_num, 3538 wldp_length, wldp_buf); 3539 3540 return (err); 3541 } 3542 3543 static void 3544 iwh_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num, 3545 mac_prop_info_handle_t mph) 3546 { 3547 iwh_sc_t *sc = (iwh_sc_t *)arg; 3548 3549 ieee80211_propinfo(&sc->sc_ic, pr_name, wldp_pr_num, mph); 3550 } 3551 3552 static int 3553 iwh_m_setprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num, 3554 uint_t wldp_length, const void *wldp_buf) 3555 { 3556 iwh_sc_t *sc; 3557 ieee80211com_t *ic; 3558 int err = EINVAL; 3559 3560 if (NULL == arg) { 3561 return (EINVAL); 3562 } 3563 sc = (iwh_sc_t *)arg; 3564 ic = &sc->sc_ic; 3565 3566 err = ieee80211_setprop(ic, pr_name, wldp_pr_num, wldp_length, 3567 wldp_buf); 3568 3569 if (err == ENETRESET) { 3570 if (ic->ic_des_esslen) { 3571 if (sc->sc_flags & IWH_F_RUNNING) { 3572 iwh_m_stop(sc); 3573 (void) iwh_m_start(sc); 3574 (void) ieee80211_new_state(ic, 3575 IEEE80211_S_SCAN, -1); 3576 } 3577 } 3578 err = 0; 3579 } 3580 return (err); 3581 } 3582 3583 /* 3584 * invoked by GLD supply statistics NIC and driver 3585 */ 3586 static int 3587 iwh_m_stat(void *arg, uint_t stat, uint64_t *val) 3588 { 3589 iwh_sc_t *sc; 3590 ieee80211com_t *ic; 3591 ieee80211_node_t *in; 3592 3593 if (NULL == arg) { 3594 return (EINVAL); 3595 } 3596 sc = (iwh_sc_t *)arg; 3597 ic = &sc->sc_ic; 3598 3599 mutex_enter(&sc->sc_glock); 3600 3601 switch (stat) { 3602 case MAC_STAT_IFSPEED: 3603 in = ic->ic_bss; 3604 *val = ((IEEE80211_FIXED_RATE_NONE == ic->ic_fixed_rate) ? 3605 IEEE80211_RATE(in->in_txrate) : 3606 ic->ic_fixed_rate) / 2 * 1000000; 3607 break; 3608 3609 case MAC_STAT_NOXMTBUF: 3610 *val = sc->sc_tx_nobuf; 3611 break; 3612 3613 case MAC_STAT_NORCVBUF: 3614 *val = sc->sc_rx_nobuf; 3615 break; 3616 3617 case MAC_STAT_IERRORS: 3618 *val = sc->sc_rx_err; 3619 break; 3620 3621 case MAC_STAT_RBYTES: 3622 *val = ic->ic_stats.is_rx_bytes; 3623 break; 3624 3625 case MAC_STAT_IPACKETS: 3626 *val = ic->ic_stats.is_rx_frags; 3627 break; 3628 3629 case MAC_STAT_OBYTES: 3630 *val = ic->ic_stats.is_tx_bytes; 3631 break; 3632 3633 case MAC_STAT_OPACKETS: 3634 *val = ic->ic_stats.is_tx_frags; 3635 break; 3636 3637 case MAC_STAT_OERRORS: 3638 case WIFI_STAT_TX_FAILED: 3639 *val = sc->sc_tx_err; 3640 break; 3641 3642 case WIFI_STAT_TX_RETRANS: 3643 *val = sc->sc_tx_retries; 3644 break; 3645 3646 case WIFI_STAT_FCS_ERRORS: 3647 case WIFI_STAT_WEP_ERRORS: 3648 case WIFI_STAT_TX_FRAGS: 3649 case WIFI_STAT_MCAST_TX: 3650 case WIFI_STAT_RTS_SUCCESS: 3651 case WIFI_STAT_RTS_FAILURE: 3652 case WIFI_STAT_ACK_FAILURE: 3653 case WIFI_STAT_RX_FRAGS: 3654 case WIFI_STAT_MCAST_RX: 3655 case WIFI_STAT_RX_DUPS: 3656 mutex_exit(&sc->sc_glock); 3657 return (ieee80211_stat(ic, stat, val)); 3658 3659 default: 3660 mutex_exit(&sc->sc_glock); 3661 return (ENOTSUP); 3662 } 3663 3664 mutex_exit(&sc->sc_glock); 3665 3666 return (IWH_SUCCESS); 3667 } 3668 3669 /* 3670 * invoked by GLD to start or open NIC 3671 */ 3672 static int 3673 iwh_m_start(void *arg) 3674 { 3675 iwh_sc_t *sc; 3676 ieee80211com_t *ic; 3677 int err = IWH_FAIL; 3678 3679 if (NULL == arg) { 3680 return (EINVAL); 3681 } 3682 sc = (iwh_sc_t *)arg; 3683 ic = &sc->sc_ic; 3684 3685 err = iwh_init(sc); 3686 if (err != IWH_SUCCESS) { 3687 /* 3688 * The hw init err(eg. RF is OFF). Return Success to make 3689 * the 'plumb' succeed. The iwh_thread() tries to re-init 3690 * background. 3691 */ 3692 atomic_or_32(&sc->sc_flags, IWH_F_HW_ERR_RECOVER); 3693 return (IWH_SUCCESS); 3694 } 3695 3696 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 3697 3698 atomic_or_32(&sc->sc_flags, IWH_F_RUNNING); 3699 3700 return (IWH_SUCCESS); 3701 } 3702 3703 /* 3704 * invoked by GLD to stop or down NIC 3705 */ 3706 static void 3707 iwh_m_stop(void *arg) 3708 { 3709 iwh_sc_t *sc; 3710 ieee80211com_t *ic; 3711 3712 if (NULL == arg) { 3713 return; 3714 } 3715 sc = (iwh_sc_t *)arg; 3716 ic = &sc->sc_ic; 3717 3718 iwh_stop(sc); 3719 3720 /* 3721 * release buffer for calibration 3722 */ 3723 iwh_release_calib_buffer(sc); 3724 3725 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 3726 3727 atomic_and_32(&sc->sc_flags, ~IWH_F_HW_ERR_RECOVER); 3728 atomic_and_32(&sc->sc_flags, ~IWH_F_RATE_AUTO_CTL); 3729 3730 atomic_and_32(&sc->sc_flags, ~IWH_F_RUNNING); 3731 atomic_and_32(&sc->sc_flags, ~IWH_F_SCANNING); 3732 } 3733 3734 /* 3735 * invoked by GLD to configure NIC 3736 */ 3737 static int 3738 iwh_m_unicst(void *arg, const uint8_t *macaddr) 3739 { 3740 iwh_sc_t *sc; 3741 ieee80211com_t *ic; 3742 int err = IWH_SUCCESS; 3743 3744 if (NULL == arg) { 3745 return (EINVAL); 3746 } 3747 sc = (iwh_sc_t *)arg; 3748 ic = &sc->sc_ic; 3749 3750 if (!IEEE80211_ADDR_EQ(ic->ic_macaddr, macaddr)) { 3751 IEEE80211_ADDR_COPY(ic->ic_macaddr, macaddr); 3752 mutex_enter(&sc->sc_glock); 3753 err = iwh_config(sc); 3754 mutex_exit(&sc->sc_glock); 3755 if (err != IWH_SUCCESS) { 3756 cmn_err(CE_WARN, "iwh_m_unicst(): " 3757 "failed to configure device\n"); 3758 goto fail; 3759 } 3760 } 3761 3762 fail: 3763 return (err); 3764 } 3765 3766 /* ARGSUSED */ 3767 static int 3768 iwh_m_multicst(void *arg, boolean_t add, const uint8_t *m) 3769 { 3770 return (IWH_SUCCESS); 3771 } 3772 3773 /* ARGSUSED */ 3774 static int 3775 iwh_m_promisc(void *arg, boolean_t on) 3776 { 3777 return (IWH_SUCCESS); 3778 } 3779 3780 /* 3781 * kernel thread to deal with exceptional situation 3782 */ 3783 static void 3784 iwh_thread(iwh_sc_t *sc) 3785 { 3786 ieee80211com_t *ic = &sc->sc_ic; 3787 clock_t clk; 3788 int err, n = 0, timeout = 0; 3789 uint32_t tmp; 3790 #ifdef DEBUG 3791 int times = 0; 3792 #endif 3793 3794 while (sc->sc_mf_thread_switch) { 3795 tmp = IWH_READ(sc, CSR_GP_CNTRL); 3796 if (tmp & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) { 3797 atomic_and_32(&sc->sc_flags, ~IWH_F_RADIO_OFF); 3798 } else { 3799 atomic_or_32(&sc->sc_flags, IWH_F_RADIO_OFF); 3800 } 3801 3802 /* 3803 * If in SUSPEND or the RF is OFF, do nothing. 3804 */ 3805 if (sc->sc_flags & IWH_F_RADIO_OFF) { 3806 delay(drv_usectohz(100000)); 3807 continue; 3808 } 3809 3810 /* 3811 * recovery fatal error 3812 */ 3813 if (ic->ic_mach && 3814 (sc->sc_flags & IWH_F_HW_ERR_RECOVER)) { 3815 3816 IWH_DBG((IWH_DEBUG_FW, "iwh_thread(): " 3817 "try to recover fatal hw error: %d\n", times++)); 3818 3819 iwh_stop(sc); 3820 3821 if (IWH_CHK_FAST_RECOVER(sc)) { 3822 /* 3823 * save runtime configuration 3824 */ 3825 bcopy(&sc->sc_config, &sc->sc_config_save, 3826 sizeof (sc->sc_config)); 3827 } else { 3828 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 3829 delay(drv_usectohz(2000000 + n*500000)); 3830 } 3831 3832 err = iwh_init(sc); 3833 if (err != IWH_SUCCESS) { 3834 n++; 3835 if (n < 20) { 3836 continue; 3837 } 3838 } 3839 3840 n = 0; 3841 if (!err) { 3842 atomic_or_32(&sc->sc_flags, IWH_F_RUNNING); 3843 } 3844 3845 3846 if (!IWH_CHK_FAST_RECOVER(sc) || 3847 iwh_fast_recover(sc) != IWH_SUCCESS) { 3848 atomic_and_32(&sc->sc_flags, 3849 ~IWH_F_HW_ERR_RECOVER); 3850 3851 delay(drv_usectohz(2000000)); 3852 if (sc->sc_ostate != IEEE80211_S_INIT) { 3853 ieee80211_new_state(ic, 3854 IEEE80211_S_SCAN, 0); 3855 } 3856 } 3857 } 3858 3859 if (ic->ic_mach && 3860 (sc->sc_flags & IWH_F_SCANNING) && sc->sc_scan_pending) { 3861 IWH_DBG((IWH_DEBUG_SCAN, "iwh_thread(): " 3862 "wait for probe response\n")); 3863 3864 sc->sc_scan_pending--; 3865 delay(drv_usectohz(200000)); 3866 ieee80211_next_scan(ic); 3867 } 3868 3869 /* 3870 * rate ctl 3871 */ 3872 if (ic->ic_mach && 3873 (sc->sc_flags & IWH_F_RATE_AUTO_CTL)) { 3874 clk = ddi_get_lbolt(); 3875 if (clk > sc->sc_clk + drv_usectohz(1000000)) { 3876 iwh_amrr_timeout(sc); 3877 } 3878 } 3879 3880 if ((ic->ic_state == IEEE80211_S_RUN) && 3881 (ic->ic_beaconmiss++ > 100)) { /* 10 seconds */ 3882 cmn_err(CE_WARN, "iwh: beacon missed for 10 seconds\n"); 3883 (void) ieee80211_new_state(ic, 3884 IEEE80211_S_INIT, -1); 3885 } 3886 3887 delay(drv_usectohz(100000)); 3888 3889 mutex_enter(&sc->sc_mt_lock); 3890 if (sc->sc_tx_timer) { 3891 timeout++; 3892 if (10 == timeout) { 3893 sc->sc_tx_timer--; 3894 if (0 == sc->sc_tx_timer) { 3895 atomic_or_32(&sc->sc_flags, 3896 IWH_F_HW_ERR_RECOVER); 3897 sc->sc_ostate = IEEE80211_S_RUN; 3898 IWH_DBG((IWH_DEBUG_FW, "iwh_thread(): " 3899 "try to recover from " 3900 "send fail\n")); 3901 } 3902 timeout = 0; 3903 } 3904 } 3905 mutex_exit(&sc->sc_mt_lock); 3906 } 3907 3908 mutex_enter(&sc->sc_mt_lock); 3909 sc->sc_mf_thread = NULL; 3910 cv_signal(&sc->sc_mt_cv); 3911 mutex_exit(&sc->sc_mt_lock); 3912 } 3913 3914 /* 3915 * Send a command to the ucode. 3916 */ 3917 static int 3918 iwh_cmd(iwh_sc_t *sc, int code, const void *buf, int size, int async) 3919 { 3920 iwh_tx_ring_t *ring = &sc->sc_txq[IWH_CMD_QUEUE_NUM]; 3921 iwh_tx_desc_t *desc; 3922 iwh_cmd_t *cmd; 3923 3924 ASSERT(size <= sizeof (cmd->data)); 3925 ASSERT(mutex_owned(&sc->sc_glock)); 3926 3927 IWH_DBG((IWH_DEBUG_CMD, "iwh_cmd() " 3928 "code[%d]", code)); 3929 desc = ring->data[ring->cur].desc; 3930 cmd = ring->data[ring->cur].cmd; 3931 3932 cmd->hdr.type = (uint8_t)code; 3933 cmd->hdr.flags = 0; 3934 cmd->hdr.qid = ring->qid; 3935 cmd->hdr.idx = ring->cur; 3936 bcopy(buf, cmd->data, size); 3937 (void) memset(desc, 0, sizeof (*desc)); 3938 3939 desc->val0 = 1 << 24; 3940 desc->pa[0].tb1_addr = 3941 (uint32_t)(ring->data[ring->cur].paddr_cmd & 0xffffffff); 3942 desc->pa[0].val1 = ((4 + size) << 4) & 0xfff0; 3943 3944 if (async) { 3945 sc->sc_cmd_accum++; 3946 } 3947 3948 /* 3949 * kick cmd ring XXX 3950 */ 3951 sc->sc_shared->queues_byte_cnt_tbls[ring->qid]. 3952 tfd_offset[ring->cur].val = 8; 3953 if (ring->cur < IWH_MAX_WIN_SIZE) { 3954 sc->sc_shared->queues_byte_cnt_tbls[ring->qid]. 3955 tfd_offset[IWH_QUEUE_SIZE + ring->cur].val = 8; 3956 } 3957 ring->cur = (ring->cur + 1) % ring->count; 3958 IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 3959 3960 if (async) { 3961 return (IWH_SUCCESS); 3962 } else { 3963 clock_t clk; 3964 3965 clk = ddi_get_lbolt() + drv_usectohz(2000000); 3966 while (sc->sc_cmd_flag != SC_CMD_FLG_DONE) { 3967 if (cv_timedwait(&sc->sc_cmd_cv, 3968 &sc->sc_glock, clk) < 0) { 3969 break; 3970 } 3971 } 3972 3973 if (SC_CMD_FLG_DONE == sc->sc_cmd_flag) { 3974 sc->sc_cmd_flag = SC_CMD_FLG_NONE; 3975 return (IWH_SUCCESS); 3976 } else { 3977 sc->sc_cmd_flag = SC_CMD_FLG_NONE; 3978 return (IWH_FAIL); 3979 } 3980 } 3981 } 3982 3983 /* 3984 * require ucode seting led of NIC 3985 */ 3986 static void 3987 iwh_set_led(iwh_sc_t *sc, uint8_t id, uint8_t off, uint8_t on) 3988 { 3989 iwh_led_cmd_t led; 3990 3991 led.interval = LE_32(100000); /* unit: 100ms */ 3992 led.id = id; 3993 led.off = off; 3994 led.on = on; 3995 3996 (void) iwh_cmd(sc, REPLY_LEDS_CMD, &led, sizeof (led), 1); 3997 } 3998 3999 /* 4000 * necessary setting to NIC before authentication 4001 */ 4002 static int 4003 iwh_hw_set_before_auth(iwh_sc_t *sc) 4004 { 4005 ieee80211com_t *ic = &sc->sc_ic; 4006 ieee80211_node_t *in = ic->ic_bss; 4007 int err = IWH_FAIL; 4008 4009 /* 4010 * update adapter's configuration according 4011 * the info of target AP 4012 */ 4013 IEEE80211_ADDR_COPY(sc->sc_config.bssid, in->in_bssid); 4014 sc->sc_config.chan = LE_16(ieee80211_chan2ieee(ic, in->in_chan)); 4015 4016 if (ic->ic_curmode != IEEE80211_MODE_11NG) { 4017 4018 sc->sc_config.ofdm_ht_triple_stream_basic_rates = 0; 4019 sc->sc_config.ofdm_ht_dual_stream_basic_rates = 0; 4020 sc->sc_config.ofdm_ht_single_stream_basic_rates = 0; 4021 4022 if (IEEE80211_MODE_11B == ic->ic_curmode) { 4023 sc->sc_config.cck_basic_rates = 0x03; 4024 sc->sc_config.ofdm_basic_rates = 0; 4025 } else if ((in->in_chan != IEEE80211_CHAN_ANYC) && 4026 (IEEE80211_IS_CHAN_5GHZ(in->in_chan))) { 4027 sc->sc_config.cck_basic_rates = 0; 4028 sc->sc_config.ofdm_basic_rates = 0x15; 4029 } else { /* assume 802.11b/g */ 4030 sc->sc_config.cck_basic_rates = 0x0f; 4031 sc->sc_config.ofdm_basic_rates = 0xff; 4032 } 4033 } 4034 4035 sc->sc_config.flags &= ~LE_32(RXON_FLG_SHORT_PREAMBLE_MSK | 4036 RXON_FLG_SHORT_SLOT_MSK); 4037 4038 if (ic->ic_flags & IEEE80211_F_SHSLOT) { 4039 sc->sc_config.flags |= LE_32(RXON_FLG_SHORT_SLOT_MSK); 4040 } else { 4041 sc->sc_config.flags &= LE_32(~RXON_FLG_SHORT_SLOT_MSK); 4042 } 4043 4044 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) { 4045 sc->sc_config.flags |= LE_32(RXON_FLG_SHORT_PREAMBLE_MSK); 4046 } else { 4047 sc->sc_config.flags &= LE_32(~RXON_FLG_SHORT_PREAMBLE_MSK); 4048 } 4049 4050 IWH_DBG((IWH_DEBUG_80211, "iwh_hw_set_before_auth(): " 4051 "config chan %d flags %x " 4052 "filter_flags %x cck %x ofdm %x" 4053 " bssid:%02x:%02x:%02x:%02x:%02x:%2x\n", 4054 LE_16(sc->sc_config.chan), LE_32(sc->sc_config.flags), 4055 LE_32(sc->sc_config.filter_flags), 4056 sc->sc_config.cck_basic_rates, sc->sc_config.ofdm_basic_rates, 4057 sc->sc_config.bssid[0], sc->sc_config.bssid[1], 4058 sc->sc_config.bssid[2], sc->sc_config.bssid[3], 4059 sc->sc_config.bssid[4], sc->sc_config.bssid[5])); 4060 4061 err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config, 4062 sizeof (iwh_rxon_cmd_t), 1); 4063 if (err != IWH_SUCCESS) { 4064 cmn_err(CE_WARN, "iwh_hw_set_before_auth(): " 4065 "failed to config chan%d\n", sc->sc_config.chan); 4066 return (err); 4067 } 4068 4069 if ((sc->sc_dev_id != 0x423c) && 4070 (sc->sc_dev_id != 0x423d)) { 4071 err = iwh_tx_power_table(sc, 1); 4072 if (err != IWH_SUCCESS) { 4073 return (err); 4074 } 4075 } 4076 4077 /* 4078 * add default AP node 4079 */ 4080 err = iwh_add_ap_sta(sc); 4081 if (err != IWH_SUCCESS) { 4082 return (err); 4083 } 4084 4085 if ((sc->sc_dev_id != 0x423c) && 4086 (sc->sc_dev_id != 0x423d)) { 4087 /* 4088 * set up retry rate table for AP node 4089 */ 4090 err = iwh_ap_lq(sc); 4091 if (err != IWH_SUCCESS) { 4092 return (err); 4093 } 4094 } 4095 4096 return (err); 4097 } 4098 4099 /* 4100 * Send a scan request(assembly scan cmd) to the firmware. 4101 */ 4102 static int 4103 iwh_scan(iwh_sc_t *sc) 4104 { 4105 ieee80211com_t *ic = &sc->sc_ic; 4106 iwh_tx_ring_t *ring = &sc->sc_txq[IWH_CMD_QUEUE_NUM]; 4107 iwh_tx_desc_t *desc; 4108 iwh_tx_data_t *data; 4109 iwh_cmd_t *cmd; 4110 iwh_scan_hdr_t *hdr; 4111 iwh_scan_chan_t chan; 4112 struct ieee80211_frame *wh; 4113 ieee80211_node_t *in = ic->ic_bss; 4114 uint8_t essid[IEEE80211_NWID_LEN+1]; 4115 struct ieee80211_rateset *rs; 4116 enum ieee80211_phymode mode; 4117 uint8_t *frm; 4118 int i, pktlen, nrates; 4119 4120 data = &ring->data[ring->cur]; 4121 desc = data->desc; 4122 cmd = (iwh_cmd_t *)data->dma_data.mem_va; 4123 4124 cmd->hdr.type = REPLY_SCAN_CMD; 4125 cmd->hdr.flags = 0; 4126 cmd->hdr.qid = ring->qid; 4127 cmd->hdr.idx = ring->cur | 0x40; 4128 4129 hdr = (iwh_scan_hdr_t *)cmd->data; 4130 (void) memset(hdr, 0, sizeof (iwh_scan_hdr_t)); 4131 hdr->nchan = 1; 4132 hdr->quiet_time = LE_16(50); 4133 hdr->quiet_plcp_th = LE_16(1); 4134 4135 hdr->flags = LE_32(RXON_FLG_BAND_24G_MSK); 4136 hdr->rx_chain = LE_16(RXON_RX_CHAIN_DRIVER_FORCE_MSK | 4137 (0x7 << RXON_RX_CHAIN_VALID_POS) | 4138 (0x2 << RXON_RX_CHAIN_FORCE_SEL_POS) | 4139 (0x2 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS)); 4140 4141 hdr->tx_cmd.tx_flags = LE_32(TX_CMD_FLG_SEQ_CTL_MSK); 4142 hdr->tx_cmd.sta_id = IWH_BROADCAST_ID; 4143 hdr->tx_cmd.stop_time.life_time = LE_32(0xffffffff); 4144 hdr->tx_cmd.rate.r.rate_n_flags = LE_32(iwh_rate_to_plcp(2)); 4145 hdr->tx_cmd.rate.r.rate_n_flags |= 4146 LE_32(RATE_MCS_ANT_B_MSK |RATE_MCS_CCK_MSK); 4147 hdr->direct_scan[0].len = ic->ic_des_esslen; 4148 hdr->direct_scan[0].id = IEEE80211_ELEMID_SSID; 4149 4150 hdr->filter_flags = LE_32(RXON_FILTER_ACCEPT_GRP_MSK | 4151 RXON_FILTER_BCON_AWARE_MSK); 4152 4153 if (ic->ic_des_esslen) { 4154 bcopy(ic->ic_des_essid, essid, ic->ic_des_esslen); 4155 essid[ic->ic_des_esslen] = '\0'; 4156 IWH_DBG((IWH_DEBUG_SCAN, "iwh_scan(): " 4157 "directed scan %s\n", essid)); 4158 4159 bcopy(ic->ic_des_essid, hdr->direct_scan[0].ssid, 4160 ic->ic_des_esslen); 4161 } else { 4162 bzero(hdr->direct_scan[0].ssid, 4163 sizeof (hdr->direct_scan[0].ssid)); 4164 } 4165 4166 /* 4167 * a probe request frame is required after the REPLY_SCAN_CMD 4168 */ 4169 wh = (struct ieee80211_frame *)(hdr + 1); 4170 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4171 IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4172 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4173 (void) memset(wh->i_addr1, 0xff, 6); 4174 IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_macaddr); 4175 (void) memset(wh->i_addr3, 0xff, 6); 4176 *(uint16_t *)&wh->i_dur[0] = 0; 4177 *(uint16_t *)&wh->i_seq[0] = 0; 4178 4179 frm = (uint8_t *)(wh + 1); 4180 4181 /* 4182 * essid IE 4183 */ 4184 if (in->in_esslen) { 4185 bcopy(in->in_essid, essid, in->in_esslen); 4186 essid[in->in_esslen] = '\0'; 4187 IWH_DBG((IWH_DEBUG_SCAN, "iwh_scan(): " 4188 "probe with ESSID %s\n", 4189 essid)); 4190 } 4191 *frm++ = IEEE80211_ELEMID_SSID; 4192 *frm++ = in->in_esslen; 4193 bcopy(in->in_essid, frm, in->in_esslen); 4194 frm += in->in_esslen; 4195 4196 mode = ieee80211_chan2mode(ic, ic->ic_curchan); 4197 rs = &ic->ic_sup_rates[mode]; 4198 4199 /* 4200 * supported rates IE 4201 */ 4202 *frm++ = IEEE80211_ELEMID_RATES; 4203 nrates = rs->ir_nrates; 4204 if (nrates > IEEE80211_RATE_SIZE) { 4205 nrates = IEEE80211_RATE_SIZE; 4206 } 4207 4208 *frm++ = (uint8_t)nrates; 4209 bcopy(rs->ir_rates, frm, nrates); 4210 frm += nrates; 4211 4212 /* 4213 * supported xrates IE 4214 */ 4215 if (rs->ir_nrates > IEEE80211_RATE_SIZE) { 4216 nrates = rs->ir_nrates - IEEE80211_RATE_SIZE; 4217 *frm++ = IEEE80211_ELEMID_XRATES; 4218 *frm++ = (uint8_t)nrates; 4219 bcopy(rs->ir_rates + IEEE80211_RATE_SIZE, frm, nrates); 4220 frm += nrates; 4221 } 4222 4223 /* 4224 * optionnal IE (usually for wpa) 4225 */ 4226 if (ic->ic_opt_ie != NULL) { 4227 bcopy(ic->ic_opt_ie, frm, ic->ic_opt_ie_len); 4228 frm += ic->ic_opt_ie_len; 4229 } 4230 4231 /* setup length of probe request */ 4232 hdr->tx_cmd.len = LE_16(_PTRDIFF(frm, wh)); 4233 hdr->len = LE_16(hdr->nchan * sizeof (iwh_scan_chan_t) + 4234 LE_16(hdr->tx_cmd.len) + sizeof (iwh_scan_hdr_t)); 4235 4236 /* 4237 * the attribute of the scan channels are required after the probe 4238 * request frame. 4239 */ 4240 for (i = 1; i <= hdr->nchan; i++) { 4241 if (ic->ic_des_esslen) { 4242 chan.type = LE_32(3); 4243 } else { 4244 chan.type = LE_32(1); 4245 } 4246 4247 chan.chan = LE_16(ieee80211_chan2ieee(ic, ic->ic_curchan)); 4248 chan.tpc.tx_gain = 0x28; 4249 chan.tpc.dsp_atten = 110; 4250 chan.active_dwell = LE_16(50); 4251 chan.passive_dwell = LE_16(120); 4252 4253 bcopy(&chan, frm, sizeof (iwh_scan_chan_t)); 4254 frm += sizeof (iwh_scan_chan_t); 4255 } 4256 4257 pktlen = _PTRDIFF(frm, cmd); 4258 4259 (void) memset(desc, 0, sizeof (*desc)); 4260 desc->val0 = 1 << 24; 4261 desc->pa[0].tb1_addr = 4262 (uint32_t)(data->dma_data.cookie.dmac_address & 0xffffffff); 4263 desc->pa[0].val1 = (pktlen << 4) & 0xfff0; 4264 4265 /* 4266 * maybe for cmd, filling the byte cnt table is not necessary. 4267 * anyway, we fill it here. 4268 */ 4269 sc->sc_shared->queues_byte_cnt_tbls[ring->qid] 4270 .tfd_offset[ring->cur].val = 8; 4271 if (ring->cur < IWH_MAX_WIN_SIZE) { 4272 sc->sc_shared->queues_byte_cnt_tbls[ring->qid]. 4273 tfd_offset[IWH_QUEUE_SIZE + ring->cur].val = 8; 4274 } 4275 4276 /* 4277 * kick cmd ring 4278 */ 4279 ring->cur = (ring->cur + 1) % ring->count; 4280 IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 4281 4282 return (IWH_SUCCESS); 4283 } 4284 4285 /* 4286 * configure NIC by using ucode commands after loading ucode. 4287 */ 4288 static int 4289 iwh_config(iwh_sc_t *sc) 4290 { 4291 ieee80211com_t *ic = &sc->sc_ic; 4292 iwh_powertable_cmd_t powertable; 4293 iwh_bt_cmd_t bt; 4294 iwh_add_sta_t node; 4295 iwh_rem_sta_t rm_sta; 4296 const uint8_t bcast[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 4297 iwh_link_quality_cmd_t link_quality; 4298 int i, err = IWH_FAIL; 4299 uint16_t masks = 0; 4300 4301 /* 4302 * set power mode. Disable power management at present, do it later 4303 */ 4304 (void) memset(&powertable, 0, sizeof (powertable)); 4305 powertable.flags = LE_16(0x8); 4306 err = iwh_cmd(sc, POWER_TABLE_CMD, &powertable, 4307 sizeof (powertable), 0); 4308 if (err != IWH_SUCCESS) { 4309 cmn_err(CE_WARN, "iwh_config(): " 4310 "failed to set power mode\n"); 4311 return (err); 4312 } 4313 4314 /* 4315 * configure bt coexistence 4316 */ 4317 (void) memset(&bt, 0, sizeof (bt)); 4318 bt.flags = 3; 4319 bt.lead_time = 0xaa; 4320 bt.max_kill = 1; 4321 err = iwh_cmd(sc, REPLY_BT_CONFIG, &bt, 4322 sizeof (bt), 0); 4323 if (err != IWH_SUCCESS) { 4324 cmn_err(CE_WARN, "iwh_config(): " 4325 "failed to configurate bt coexistence\n"); 4326 return (err); 4327 } 4328 4329 /* 4330 * configure rxon 4331 */ 4332 (void) memset(&sc->sc_config, 0, sizeof (iwh_rxon_cmd_t)); 4333 IEEE80211_ADDR_COPY(sc->sc_config.node_addr, ic->ic_macaddr); 4334 IEEE80211_ADDR_COPY(sc->sc_config.wlap_bssid, ic->ic_macaddr); 4335 sc->sc_config.chan = LE_16(ieee80211_chan2ieee(ic, ic->ic_curchan)); 4336 sc->sc_config.flags = LE_32(RXON_FLG_BAND_24G_MSK); 4337 sc->sc_config.flags &= LE_32(~(RXON_FLG_CHANNEL_MODE_MIXED_MSK | 4338 RXON_FLG_CHANNEL_MODE_PURE_40_MSK)); 4339 4340 switch (ic->ic_opmode) { 4341 case IEEE80211_M_STA: 4342 sc->sc_config.dev_type = RXON_DEV_TYPE_ESS; 4343 sc->sc_config.filter_flags |= LE_32(RXON_FILTER_ACCEPT_GRP_MSK | 4344 RXON_FILTER_DIS_DECRYPT_MSK | 4345 RXON_FILTER_DIS_GRP_DECRYPT_MSK); 4346 break; 4347 4348 case IEEE80211_M_IBSS: 4349 case IEEE80211_M_AHDEMO: 4350 sc->sc_config.dev_type = RXON_DEV_TYPE_IBSS; 4351 4352 sc->sc_config.flags |= LE_32(RXON_FLG_SHORT_PREAMBLE_MSK); 4353 sc->sc_config.filter_flags = LE_32(RXON_FILTER_ACCEPT_GRP_MSK | 4354 RXON_FILTER_DIS_DECRYPT_MSK | 4355 RXON_FILTER_DIS_GRP_DECRYPT_MSK); 4356 break; 4357 4358 case IEEE80211_M_HOSTAP: 4359 sc->sc_config.dev_type = RXON_DEV_TYPE_AP; 4360 break; 4361 4362 case IEEE80211_M_MONITOR: 4363 sc->sc_config.dev_type = RXON_DEV_TYPE_SNIFFER; 4364 sc->sc_config.filter_flags |= LE_32(RXON_FILTER_ACCEPT_GRP_MSK | 4365 RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); 4366 break; 4367 } 4368 4369 /* 4370 * Support all CCK rates. 4371 */ 4372 sc->sc_config.cck_basic_rates = 0x0f; 4373 4374 /* 4375 * Support all OFDM rates. 4376 */ 4377 sc->sc_config.ofdm_basic_rates = 0xff; 4378 4379 /* 4380 * Determine HT supported rates. 4381 */ 4382 switch (sc->sc_ht_conf.rx_stream_count) { 4383 case 3: 4384 sc->sc_config.ofdm_ht_triple_stream_basic_rates = 0xff; 4385 sc->sc_config.ofdm_ht_dual_stream_basic_rates = 0xff; 4386 sc->sc_config.ofdm_ht_single_stream_basic_rates = 0xff; 4387 break; 4388 case 2: 4389 sc->sc_config.ofdm_ht_dual_stream_basic_rates = 0xff; 4390 sc->sc_config.ofdm_ht_single_stream_basic_rates = 0xff; 4391 break; 4392 case 1: 4393 sc->sc_config.ofdm_ht_single_stream_basic_rates = 0xff; 4394 break; 4395 default: 4396 cmn_err(CE_WARN, "iwh_config(): " 4397 "RX stream count %d is not in suitable range\n", 4398 sc->sc_ht_conf.rx_stream_count); 4399 return (IWH_FAIL); 4400 } 4401 4402 /* 4403 * set RX chains/antennas. 4404 */ 4405 iwh_config_rxon_chain(sc); 4406 4407 err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config, 4408 sizeof (iwh_rxon_cmd_t), 0); 4409 if (err != IWH_SUCCESS) { 4410 cmn_err(CE_WARN, "iwh_config(): " 4411 "failed to set configure command\n"); 4412 return (err); 4413 } 4414 4415 /* 4416 * remove all nodes in NIC 4417 */ 4418 (void) memset(&rm_sta, 0, sizeof (rm_sta)); 4419 rm_sta.num_sta = 1; 4420 bcopy(bcast, rm_sta.addr, 6); 4421 4422 err = iwh_cmd(sc, REPLY_REMOVE_STA, &rm_sta, sizeof (iwh_rem_sta_t), 0); 4423 if (err != IWH_SUCCESS) { 4424 cmn_err(CE_WARN, "iwh_config(): " 4425 "failed to remove broadcast node in hardware.\n"); 4426 return (err); 4427 } 4428 4429 if ((sc->sc_dev_id != 0x423c) && 4430 (sc->sc_dev_id != 0x423d)) { 4431 /* 4432 * configure TX power table 4433 */ 4434 err = iwh_tx_power_table(sc, 0); 4435 if (err != IWH_SUCCESS) { 4436 return (err); 4437 } 4438 } 4439 4440 /* 4441 * add broadcast node so that we can send broadcast frame 4442 */ 4443 (void) memset(&node, 0, sizeof (node)); 4444 (void) memset(node.sta.addr, 0xff, 6); 4445 node.mode = 0; 4446 node.sta.sta_id = IWH_BROADCAST_ID; 4447 node.station_flags = 0; 4448 4449 err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 0); 4450 if (err != IWH_SUCCESS) { 4451 cmn_err(CE_WARN, "iwh_config(): " 4452 "failed to add broadcast node\n"); 4453 return (err); 4454 } 4455 4456 if ((sc->sc_dev_id != 0x423c) && 4457 (sc->sc_dev_id != 0x423d)) { 4458 /* 4459 * TX_LINK_QUALITY cmd 4460 */ 4461 (void) memset(&link_quality, 0, sizeof (link_quality)); 4462 for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { 4463 masks |= RATE_MCS_CCK_MSK; 4464 masks |= RATE_MCS_ANT_B_MSK; 4465 masks &= ~RATE_MCS_ANT_A_MSK; 4466 link_quality.rate_n_flags[i] = 4467 LE_32(iwh_rate_to_plcp(2) | masks); 4468 } 4469 4470 link_quality.general_params.single_stream_ant_msk = 2; 4471 link_quality.general_params.dual_stream_ant_msk = 3; 4472 link_quality.agg_params.agg_dis_start_th = 3; 4473 link_quality.agg_params.agg_time_limit = LE_16(4000); 4474 link_quality.sta_id = IWH_BROADCAST_ID; 4475 err = iwh_cmd(sc, REPLY_TX_LINK_QUALITY_CMD, &link_quality, 4476 sizeof (link_quality), 0); 4477 if (err != IWH_SUCCESS) { 4478 cmn_err(CE_WARN, "iwh_config(): " 4479 "failed to config link quality table\n"); 4480 return (err); 4481 } 4482 } 4483 4484 return (err); 4485 } 4486 4487 /* 4488 * quiesce(9E) entry point. 4489 * This function is called when the system is single-threaded at high 4490 * PIL with preemption disabled. Therefore, this function must not be 4491 * blocked. 4492 * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. 4493 * DDI_FAILURE indicates an error condition and should almost never happen. 4494 */ 4495 static int 4496 iwh_quiesce(dev_info_t *dip) 4497 { 4498 iwh_sc_t *sc; 4499 4500 sc = ddi_get_soft_state(iwh_soft_state_p, ddi_get_instance(dip)); 4501 if (sc == NULL) { 4502 return (DDI_FAILURE); 4503 } 4504 4505 #ifdef DEBUG 4506 /* 4507 * by pass any messages, if it's quiesce 4508 */ 4509 iwh_dbg_flags = 0; 4510 #endif 4511 4512 /* 4513 * No more blocking is allowed while we are in the 4514 * quiesce(9E) entry point. 4515 */ 4516 atomic_or_32(&sc->sc_flags, IWH_F_QUIESCED); 4517 4518 /* 4519 * Disable and mask all interrupts. 4520 */ 4521 iwh_stop(sc); 4522 4523 return (DDI_SUCCESS); 4524 } 4525 4526 static void 4527 iwh_stop_master(iwh_sc_t *sc) 4528 { 4529 uint32_t tmp; 4530 int n; 4531 4532 tmp = IWH_READ(sc, CSR_RESET); 4533 IWH_WRITE(sc, CSR_RESET, tmp | CSR_RESET_REG_FLAG_STOP_MASTER); 4534 4535 tmp = IWH_READ(sc, CSR_GP_CNTRL); 4536 if ((tmp & CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE) == 4537 CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE) { 4538 return; 4539 } 4540 4541 for (n = 0; n < 2000; n++) { 4542 if (IWH_READ(sc, CSR_RESET) & 4543 CSR_RESET_REG_FLAG_MASTER_DISABLED) { 4544 break; 4545 } 4546 DELAY(1000); 4547 } 4548 4549 #ifdef DEBUG 4550 if (2000 == n) { 4551 IWH_DBG((IWH_DEBUG_HW, "iwh_stop_master(): " 4552 "timeout waiting for master stop\n")); 4553 } 4554 #endif 4555 } 4556 4557 static int 4558 iwh_power_up(iwh_sc_t *sc) 4559 { 4560 uint32_t tmp; 4561 4562 iwh_mac_access_enter(sc); 4563 tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL); 4564 tmp &= ~APMG_PS_CTRL_REG_MSK_POWER_SRC; 4565 tmp |= APMG_PS_CTRL_REG_VAL_POWER_SRC_VMAIN; 4566 iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp); 4567 iwh_mac_access_exit(sc); 4568 4569 DELAY(5000); 4570 return (IWH_SUCCESS); 4571 } 4572 4573 /* 4574 * hardware initialization 4575 */ 4576 static int 4577 iwh_preinit(iwh_sc_t *sc) 4578 { 4579 int n; 4580 uint8_t vlink; 4581 uint16_t radio_cfg; 4582 uint32_t tmp; 4583 4584 /* 4585 * clear any pending interrupts 4586 */ 4587 IWH_WRITE(sc, CSR_INT, 0xffffffff); 4588 4589 tmp = IWH_READ(sc, CSR_GIO_CHICKEN_BITS); 4590 IWH_WRITE(sc, CSR_GIO_CHICKEN_BITS, 4591 tmp | CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); 4592 4593 tmp = IWH_READ(sc, CSR_ANA_PLL_CFG); 4594 IWH_WRITE(sc, CSR_ANA_PLL_CFG, tmp | IWH_CSR_ANA_PLL_CFG); 4595 4596 tmp = IWH_READ(sc, CSR_GP_CNTRL); 4597 IWH_WRITE(sc, CSR_GP_CNTRL, tmp | CSR_GP_CNTRL_REG_FLAG_INIT_DONE); 4598 4599 /* 4600 * wait for clock ready 4601 */ 4602 for (n = 0; n < 1000; n++) { 4603 if (IWH_READ(sc, CSR_GP_CNTRL) & 4604 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY) { 4605 break; 4606 } 4607 DELAY(10); 4608 } 4609 4610 if (1000 == n) { 4611 return (ETIMEDOUT); 4612 } 4613 4614 iwh_mac_access_enter(sc); 4615 4616 iwh_reg_write(sc, ALM_APMG_CLK_EN, APMG_CLK_REG_VAL_DMA_CLK_RQT); 4617 4618 DELAY(20); 4619 tmp = iwh_reg_read(sc, ALM_APMG_PCIDEV_STT); 4620 iwh_reg_write(sc, ALM_APMG_PCIDEV_STT, tmp | 4621 APMG_DEV_STATE_REG_VAL_L1_ACTIVE_DISABLE); 4622 iwh_mac_access_exit(sc); 4623 4624 radio_cfg = IWH_READ_EEP_SHORT(sc, EEP_SP_RADIO_CONFIGURATION); 4625 if (SP_RADIO_TYPE_MSK(radio_cfg) < SP_RADIO_TYPE_MAX) { 4626 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 4627 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 4628 tmp | SP_RADIO_TYPE_MSK(radio_cfg) | 4629 SP_RADIO_STEP_MSK(radio_cfg) | 4630 SP_RADIO_DASH_MSK(radio_cfg)); 4631 } else { 4632 cmn_err(CE_WARN, "iwh_preinit(): " 4633 "radio configuration information in eeprom is wrong\n"); 4634 return (IWH_FAIL); 4635 } 4636 4637 4638 IWH_WRITE(sc, CSR_INT_COALESCING, 512 / 32); 4639 4640 (void) iwh_power_up(sc); 4641 4642 if ((sc->sc_rev & 0x80) == 0x80 && (sc->sc_rev & 0x7f) < 8) { 4643 tmp = ddi_get32(sc->sc_cfg_handle, 4644 (uint32_t *)(sc->sc_cfg_base + 0xe8)); 4645 ddi_put32(sc->sc_cfg_handle, 4646 (uint32_t *)(sc->sc_cfg_base + 0xe8), 4647 tmp & ~(1 << 11)); 4648 } 4649 4650 vlink = ddi_get8(sc->sc_cfg_handle, 4651 (uint8_t *)(sc->sc_cfg_base + 0xf0)); 4652 ddi_put8(sc->sc_cfg_handle, (uint8_t *)(sc->sc_cfg_base + 0xf0), 4653 vlink & ~2); 4654 4655 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 4656 tmp |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 4657 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI; 4658 IWH_WRITE(sc, CSR_SW_VER, tmp); 4659 4660 /* 4661 * make sure power supply on each part of the hardware 4662 */ 4663 iwh_mac_access_enter(sc); 4664 tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL); 4665 tmp |= APMG_PS_CTRL_REG_VAL_ALM_R_RESET_REQ; 4666 iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp); 4667 DELAY(5); 4668 4669 tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL); 4670 tmp &= ~APMG_PS_CTRL_REG_VAL_ALM_R_RESET_REQ; 4671 iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp); 4672 iwh_mac_access_exit(sc); 4673 4674 return (IWH_SUCCESS); 4675 } 4676 4677 /* 4678 * set up semphore flag to own EEPROM 4679 */ 4680 static int 4681 iwh_eep_sem_down(iwh_sc_t *sc) 4682 { 4683 int count1, count2; 4684 uint32_t tmp; 4685 4686 for (count1 = 0; count1 < 1000; count1++) { 4687 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 4688 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 4689 tmp | CSR_HW_IF_CONFIG_REG_EEP_SEM); 4690 4691 for (count2 = 0; count2 < 2; count2++) { 4692 if (IWH_READ(sc, CSR_HW_IF_CONFIG_REG) & 4693 CSR_HW_IF_CONFIG_REG_EEP_SEM) { 4694 return (IWH_SUCCESS); 4695 } 4696 DELAY(10000); 4697 } 4698 } 4699 4700 return (IWH_FAIL); 4701 } 4702 4703 /* 4704 * reset semphore flag to release EEPROM 4705 */ 4706 static void 4707 iwh_eep_sem_up(iwh_sc_t *sc) 4708 { 4709 uint32_t tmp; 4710 4711 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 4712 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 4713 tmp & (~CSR_HW_IF_CONFIG_REG_EEP_SEM)); 4714 } 4715 4716 /* 4717 * This function read all infomation from eeprom 4718 */ 4719 static int 4720 iwh_eep_load(iwh_sc_t *sc) 4721 { 4722 int i, rr; 4723 uint32_t rv, tmp, eep_gp; 4724 uint16_t addr, eep_sz = sizeof (sc->sc_eep_map); 4725 uint16_t *eep_p = (uint16_t *)&sc->sc_eep_map; 4726 4727 /* 4728 * read eeprom gp register in CSR 4729 */ 4730 eep_gp = IWH_READ(sc, CSR_EEPROM_GP); 4731 if ((eep_gp & CSR_EEPROM_GP_VALID_MSK) == 4732 CSR_EEPROM_GP_BAD_SIGNATURE) { 4733 IWH_DBG((IWH_DEBUG_EEPROM, "iwh_eep_load(): " 4734 "not find eeprom\n")); 4735 return (IWH_FAIL); 4736 } 4737 4738 rr = iwh_eep_sem_down(sc); 4739 if (rr != 0) { 4740 IWH_DBG((IWH_DEBUG_EEPROM, "iwh_eep_load(): " 4741 "driver failed to own EEPROM\n")); 4742 return (IWH_FAIL); 4743 } 4744 4745 for (addr = 0; addr < eep_sz; addr += 2) { 4746 IWH_WRITE(sc, CSR_EEPROM_REG, addr<<1); 4747 tmp = IWH_READ(sc, CSR_EEPROM_REG); 4748 IWH_WRITE(sc, CSR_EEPROM_REG, tmp & ~(0x2)); 4749 4750 for (i = 0; i < 10; i++) { 4751 rv = IWH_READ(sc, CSR_EEPROM_REG); 4752 if (rv & 1) { 4753 break; 4754 } 4755 DELAY(10); 4756 } 4757 4758 if (!(rv & 1)) { 4759 IWH_DBG((IWH_DEBUG_EEPROM, "iwh_eep_load(): " 4760 "time out when read eeprome\n")); 4761 iwh_eep_sem_up(sc); 4762 return (IWH_FAIL); 4763 } 4764 4765 eep_p[addr/2] = LE_16(rv >> 16); 4766 } 4767 4768 iwh_eep_sem_up(sc); 4769 return (IWH_SUCCESS); 4770 } 4771 4772 /* 4773 * initialize mac address in ieee80211com_t struct 4774 */ 4775 static void 4776 iwh_get_mac_from_eep(iwh_sc_t *sc) 4777 { 4778 ieee80211com_t *ic = &sc->sc_ic; 4779 4780 IEEE80211_ADDR_COPY(ic->ic_macaddr, &sc->sc_eep_map[EEP_MAC_ADDRESS]); 4781 4782 IWH_DBG((IWH_DEBUG_EEPROM, "iwh_get_mac_from_eep(): " 4783 "mac:%2x:%2x:%2x:%2x:%2x:%2x\n", 4784 ic->ic_macaddr[0], ic->ic_macaddr[1], ic->ic_macaddr[2], 4785 ic->ic_macaddr[3], ic->ic_macaddr[4], ic->ic_macaddr[5])); 4786 } 4787 4788 /* 4789 * main initialization function 4790 */ 4791 static int 4792 iwh_init(iwh_sc_t *sc) 4793 { 4794 int err = IWH_FAIL; 4795 clock_t clk; 4796 4797 /* 4798 * release buffer for calibration 4799 */ 4800 iwh_release_calib_buffer(sc); 4801 4802 mutex_enter(&sc->sc_glock); 4803 atomic_and_32(&sc->sc_flags, ~IWH_F_FW_INIT); 4804 4805 err = iwh_init_common(sc); 4806 if (err != IWH_SUCCESS) { 4807 mutex_exit(&sc->sc_glock); 4808 return (IWH_FAIL); 4809 } 4810 4811 /* 4812 * backup ucode data part for future use. 4813 */ 4814 bcopy(sc->sc_dma_fw_data.mem_va, 4815 sc->sc_dma_fw_data_bak.mem_va, 4816 sc->sc_dma_fw_data.alength); 4817 4818 /* load firmware init segment into NIC */ 4819 err = iwh_load_init_firmware(sc); 4820 if (err != IWH_SUCCESS) { 4821 cmn_err(CE_WARN, "iwh_init(): " 4822 "failed to setup init firmware\n"); 4823 mutex_exit(&sc->sc_glock); 4824 return (IWH_FAIL); 4825 } 4826 4827 /* 4828 * now press "execute" start running 4829 */ 4830 IWH_WRITE(sc, CSR_RESET, 0); 4831 4832 clk = ddi_get_lbolt() + drv_usectohz(1000000); 4833 while (!(sc->sc_flags & IWH_F_FW_INIT)) { 4834 if (cv_timedwait(&sc->sc_ucode_cv, 4835 &sc->sc_glock, clk) < 0) { 4836 break; 4837 } 4838 } 4839 4840 if (!(sc->sc_flags & IWH_F_FW_INIT)) { 4841 cmn_err(CE_WARN, "iwh_init(): " 4842 "failed to process init alive.\n"); 4843 mutex_exit(&sc->sc_glock); 4844 return (IWH_FAIL); 4845 } 4846 4847 mutex_exit(&sc->sc_glock); 4848 4849 /* 4850 * stop chipset for initializing chipset again 4851 */ 4852 iwh_stop(sc); 4853 4854 mutex_enter(&sc->sc_glock); 4855 atomic_and_32(&sc->sc_flags, ~IWH_F_FW_INIT); 4856 4857 err = iwh_init_common(sc); 4858 if (err != IWH_SUCCESS) { 4859 mutex_exit(&sc->sc_glock); 4860 return (IWH_FAIL); 4861 } 4862 4863 /* 4864 * load firmware run segment into NIC 4865 */ 4866 err = iwh_load_run_firmware(sc); 4867 if (err != IWH_SUCCESS) { 4868 cmn_err(CE_WARN, "iwh_init(): " 4869 "failed to setup run firmware\n"); 4870 mutex_exit(&sc->sc_glock); 4871 return (IWH_FAIL); 4872 } 4873 4874 /* 4875 * now press "execute" start running 4876 */ 4877 IWH_WRITE(sc, CSR_RESET, 0); 4878 4879 clk = ddi_get_lbolt() + drv_usectohz(1000000); 4880 while (!(sc->sc_flags & IWH_F_FW_INIT)) { 4881 if (cv_timedwait(&sc->sc_ucode_cv, 4882 &sc->sc_glock, clk) < 0) { 4883 break; 4884 } 4885 } 4886 4887 if (!(sc->sc_flags & IWH_F_FW_INIT)) { 4888 cmn_err(CE_WARN, "iwh_init(): " 4889 "failed to process runtime alive.\n"); 4890 mutex_exit(&sc->sc_glock); 4891 return (IWH_FAIL); 4892 } 4893 4894 mutex_exit(&sc->sc_glock); 4895 4896 DELAY(1000); 4897 4898 mutex_enter(&sc->sc_glock); 4899 atomic_and_32(&sc->sc_flags, ~IWH_F_FW_INIT); 4900 4901 /* 4902 * at this point, the firmware is loaded OK, then config the hardware 4903 * with the ucode API, including rxon, txpower, etc. 4904 */ 4905 err = iwh_config(sc); 4906 if (err) { 4907 cmn_err(CE_WARN, "iwh_init(): " 4908 "failed to configure device\n"); 4909 mutex_exit(&sc->sc_glock); 4910 return (IWH_FAIL); 4911 } 4912 4913 /* 4914 * at this point, hardware may receive beacons :) 4915 */ 4916 mutex_exit(&sc->sc_glock); 4917 return (IWH_SUCCESS); 4918 } 4919 4920 /* 4921 * stop or disable NIC 4922 */ 4923 static void 4924 iwh_stop(iwh_sc_t *sc) 4925 { 4926 uint32_t tmp; 4927 int i; 4928 4929 /* 4930 * by pass if it's quiesced 4931 */ 4932 if (!(sc->sc_flags & IWH_F_QUIESCED)) { 4933 mutex_enter(&sc->sc_glock); 4934 } 4935 4936 IWH_WRITE(sc, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); 4937 /* 4938 * disable interrupts 4939 */ 4940 IWH_WRITE(sc, CSR_INT_MASK, 0); 4941 IWH_WRITE(sc, CSR_INT, CSR_INI_SET_MASK); 4942 IWH_WRITE(sc, CSR_FH_INT_STATUS, 0xffffffff); 4943 4944 /* 4945 * reset all Tx rings 4946 */ 4947 for (i = 0; i < IWH_NUM_QUEUES; i++) { 4948 iwh_reset_tx_ring(sc, &sc->sc_txq[i]); 4949 } 4950 4951 /* 4952 * reset Rx ring 4953 */ 4954 iwh_reset_rx_ring(sc); 4955 4956 iwh_mac_access_enter(sc); 4957 iwh_reg_write(sc, ALM_APMG_CLK_DIS, APMG_CLK_REG_VAL_DMA_CLK_RQT); 4958 iwh_mac_access_exit(sc); 4959 4960 DELAY(5); 4961 4962 iwh_stop_master(sc); 4963 4964 mutex_enter(&sc->sc_mt_lock); 4965 sc->sc_tx_timer = 0; 4966 mutex_exit(&sc->sc_mt_lock); 4967 4968 tmp = IWH_READ(sc, CSR_RESET); 4969 IWH_WRITE(sc, CSR_RESET, tmp | CSR_RESET_REG_FLAG_SW_RESET); 4970 4971 /* 4972 * by pass if it's quiesced 4973 */ 4974 if (!(sc->sc_flags & IWH_F_QUIESCED)) { 4975 mutex_exit(&sc->sc_glock); 4976 } 4977 } 4978 4979 /* 4980 * Naive implementation of the Adaptive Multi Rate Retry algorithm: 4981 * "IEEE 802.11 Rate Adaptation: A Practical Approach" 4982 * Mathieu Lacage, Hossein Manshaei, Thierry Turletti 4983 * INRIA Sophia - Projet Planete 4984 * http://www-sop.inria.fr/rapports/sophia/RR-5208.html 4985 */ 4986 #define is_success(amrr) \ 4987 ((amrr)->retrycnt < (amrr)->txcnt / 10) 4988 #define is_failure(amrr) \ 4989 ((amrr)->retrycnt > (amrr)->txcnt / 3) 4990 #define is_enough(amrr) \ 4991 ((amrr)->txcnt > 200) 4992 #define not_very_few(amrr) \ 4993 ((amrr)->txcnt > 40) 4994 #define is_min_rate(in) \ 4995 (0 == (in)->in_txrate) 4996 #define is_max_rate(in) \ 4997 ((in)->in_rates.ir_nrates - 1 == (in)->in_txrate) 4998 #define increase_rate(in) \ 4999 ((in)->in_txrate++) 5000 #define decrease_rate(in) \ 5001 ((in)->in_txrate--) 5002 #define reset_cnt(amrr) \ 5003 { (amrr)->txcnt = (amrr)->retrycnt = 0; } 5004 5005 #define IWH_AMRR_MIN_SUCCESS_THRESHOLD 1 5006 #define IWH_AMRR_MAX_SUCCESS_THRESHOLD 15 5007 5008 static void 5009 iwh_amrr_init(iwh_amrr_t *amrr) 5010 { 5011 amrr->success = 0; 5012 amrr->recovery = 0; 5013 amrr->txcnt = amrr->retrycnt = 0; 5014 amrr->success_threshold = IWH_AMRR_MIN_SUCCESS_THRESHOLD; 5015 amrr->ht_mcs_idx = 0; /* 6Mbps */ 5016 } 5017 5018 static void 5019 iwh_amrr_timeout(iwh_sc_t *sc) 5020 { 5021 ieee80211com_t *ic = &sc->sc_ic; 5022 5023 IWH_DBG((IWH_DEBUG_RATECTL, "iwh_amrr_timeout(): " 5024 "enter\n")); 5025 5026 if (IEEE80211_M_STA == ic->ic_opmode) { 5027 iwh_amrr_ratectl(NULL, ic->ic_bss); 5028 } else { 5029 ieee80211_iterate_nodes(&ic->ic_sta, iwh_amrr_ratectl, NULL); 5030 } 5031 5032 sc->sc_clk = ddi_get_lbolt(); 5033 } 5034 5035 static int 5036 iwh_is_max_rate(ieee80211_node_t *in) 5037 { 5038 int i; 5039 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 5040 uint8_t r = (uint8_t)amrr->ht_mcs_idx; 5041 ieee80211com_t *ic = in->in_ic; 5042 iwh_sc_t *sc = (iwh_sc_t *)ic; 5043 5044 if (in->in_flags & IEEE80211_NODE_HT) { 5045 for (i = in->in_htrates.rs_nrates - 1; i >= 0; i--) { 5046 r = in->in_htrates.rs_rates[i] & 5047 IEEE80211_RATE_VAL; 5048 if (sc->sc_ht_conf.tx_support_mcs[r/8] & 5049 (1 << (r%8))) { 5050 break; 5051 } 5052 } 5053 5054 return (r == (uint8_t)amrr->ht_mcs_idx); 5055 } else { 5056 return (is_max_rate(in)); 5057 } 5058 } 5059 5060 static int 5061 iwh_is_min_rate(ieee80211_node_t *in) 5062 { 5063 int i; 5064 uint8_t r = 0; 5065 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 5066 ieee80211com_t *ic = in->in_ic; 5067 iwh_sc_t *sc = (iwh_sc_t *)ic; 5068 5069 if (in->in_flags & IEEE80211_NODE_HT) { 5070 for (i = 0; i < in->in_htrates.rs_nrates; i++) { 5071 r = in->in_htrates.rs_rates[i] & 5072 IEEE80211_RATE_VAL; 5073 if (sc->sc_ht_conf.tx_support_mcs[r/8] & 5074 (1 << (r%8))) { 5075 break; 5076 } 5077 } 5078 5079 return (r == (uint8_t)amrr->ht_mcs_idx); 5080 } else { 5081 return (is_min_rate(in)); 5082 } 5083 } 5084 5085 static void 5086 iwh_increase_rate(ieee80211_node_t *in) 5087 { 5088 int i; 5089 uint8_t r; 5090 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 5091 ieee80211com_t *ic = in->in_ic; 5092 iwh_sc_t *sc = (iwh_sc_t *)ic; 5093 5094 if (in->in_flags & IEEE80211_NODE_HT) { 5095 again: 5096 amrr->ht_mcs_idx++; 5097 5098 for (i = 0; i < in->in_htrates.rs_nrates; i++) { 5099 r = in->in_htrates.rs_rates[i] & 5100 IEEE80211_RATE_VAL; 5101 if ((r == (uint8_t)amrr->ht_mcs_idx) && 5102 (sc->sc_ht_conf.tx_support_mcs[r/8] & 5103 (1 << (r%8)))) { 5104 break; 5105 } 5106 } 5107 5108 if (i >= in->in_htrates.rs_nrates) { 5109 goto again; 5110 } 5111 } else { 5112 increase_rate(in); 5113 } 5114 } 5115 5116 static void 5117 iwh_decrease_rate(ieee80211_node_t *in) 5118 { 5119 int i; 5120 uint8_t r; 5121 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 5122 ieee80211com_t *ic = in->in_ic; 5123 iwh_sc_t *sc = (iwh_sc_t *)ic; 5124 5125 if (in->in_flags & IEEE80211_NODE_HT) { 5126 again: 5127 amrr->ht_mcs_idx--; 5128 5129 for (i = 0; i < in->in_htrates.rs_nrates; i++) { 5130 r = in->in_htrates.rs_rates[i] & 5131 IEEE80211_RATE_VAL; 5132 if ((r == (uint8_t)amrr->ht_mcs_idx) && 5133 (sc->sc_ht_conf.tx_support_mcs[r/8] & 5134 (1 << (r%8)))) { 5135 break; 5136 } 5137 } 5138 5139 if (i >= in->in_htrates.rs_nrates) { 5140 goto again; 5141 } 5142 } else { 5143 decrease_rate(in); 5144 } 5145 } 5146 5147 /* ARGSUSED */ 5148 static void 5149 iwh_amrr_ratectl(void *arg, ieee80211_node_t *in) 5150 { 5151 iwh_amrr_t *amrr = (iwh_amrr_t *)in; 5152 int need_change = 0; 5153 5154 if (is_success(amrr) && is_enough(amrr)) { 5155 amrr->success++; 5156 if (amrr->success >= amrr->success_threshold && 5157 !iwh_is_max_rate(in)) { 5158 amrr->recovery = 1; 5159 amrr->success = 0; 5160 iwh_increase_rate(in); 5161 IWH_DBG((IWH_DEBUG_RATECTL, "iwh_amrr_ratectl(): " 5162 "AMRR increasing rate %d " 5163 "(txcnt=%d retrycnt=%d), mcs_idx=%d\n", 5164 in->in_txrate, amrr->txcnt, 5165 amrr->retrycnt, amrr->ht_mcs_idx)); 5166 need_change = 1; 5167 } else { 5168 amrr->recovery = 0; 5169 } 5170 } else if (not_very_few(amrr) && is_failure(amrr)) { 5171 amrr->success = 0; 5172 if (!iwh_is_min_rate(in)) { 5173 if (amrr->recovery) { 5174 amrr->success_threshold++; 5175 if (amrr->success_threshold > 5176 IWH_AMRR_MAX_SUCCESS_THRESHOLD) { 5177 amrr->success_threshold = 5178 IWH_AMRR_MAX_SUCCESS_THRESHOLD; 5179 } 5180 } else { 5181 amrr->success_threshold = 5182 IWH_AMRR_MIN_SUCCESS_THRESHOLD; 5183 } 5184 iwh_decrease_rate(in); 5185 IWH_DBG((IWH_DEBUG_RATECTL, "iwh_amrr_ratectl(): " 5186 "AMRR decreasing rate %d " 5187 "(txcnt=%d retrycnt=%d), mcs_idx=%d\n", 5188 in->in_txrate, amrr->txcnt, 5189 amrr->retrycnt, amrr->ht_mcs_idx)); 5190 need_change = 1; 5191 } 5192 amrr->recovery = 0; /* paper is incorrect */ 5193 } 5194 5195 if (is_enough(amrr) || need_change) { 5196 reset_cnt(amrr); 5197 } 5198 } 5199 5200 /* 5201 * translate indirect address in eeprom to direct address 5202 * in eeprom and return address of entry whos indirect address 5203 * is indi_addr 5204 */ 5205 static uint8_t * 5206 iwh_eep_addr_trans(iwh_sc_t *sc, uint32_t indi_addr) 5207 { 5208 uint32_t di_addr; 5209 uint16_t temp; 5210 5211 if (!(indi_addr & INDIRECT_ADDRESS)) { 5212 di_addr = indi_addr; 5213 return (&sc->sc_eep_map[di_addr]); 5214 } 5215 5216 switch (indi_addr & INDIRECT_TYPE_MSK) { 5217 case INDIRECT_GENERAL: 5218 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_GENERAL); 5219 break; 5220 5221 case INDIRECT_HOST: 5222 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_HOST); 5223 break; 5224 5225 case INDIRECT_REGULATORY: 5226 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_REGULATORY); 5227 break; 5228 5229 case INDIRECT_CALIBRATION: 5230 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_CALIBRATION); 5231 break; 5232 5233 case INDIRECT_PROCESS_ADJST: 5234 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_PROCESS_ADJST); 5235 break; 5236 5237 case INDIRECT_OTHERS: 5238 temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_OTHERS); 5239 break; 5240 5241 default: 5242 temp = 0; 5243 cmn_err(CE_WARN, "iwh_eep_addr_trans(): " 5244 "incorrect indirect eeprom address.\n"); 5245 break; 5246 } 5247 5248 di_addr = (indi_addr & ADDRESS_MSK) + (temp << 1); 5249 5250 return (&sc->sc_eep_map[di_addr]); 5251 } 5252 5253 /* 5254 * loade a section of ucode into NIC 5255 */ 5256 static int 5257 iwh_put_seg_fw(iwh_sc_t *sc, uint32_t addr_s, uint32_t addr_d, uint32_t len) 5258 { 5259 5260 iwh_mac_access_enter(sc); 5261 5262 IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(IWH_FH_SRVC_CHNL), 5263 IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); 5264 5265 IWH_WRITE(sc, IWH_FH_SRVC_CHNL_SRAM_ADDR_REG(IWH_FH_SRVC_CHNL), addr_d); 5266 5267 IWH_WRITE(sc, IWH_FH_TFDIB_CTRL0_REG(IWH_FH_SRVC_CHNL), 5268 (addr_s & FH_MEM_TFDIB_DRAM_ADDR_LSB_MASK)); 5269 5270 IWH_WRITE(sc, IWH_FH_TFDIB_CTRL1_REG(IWH_FH_SRVC_CHNL), len); 5271 5272 IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_BUF_STS_REG(IWH_FH_SRVC_CHNL), 5273 (1 << IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM) | 5274 (1 << IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX) | 5275 IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); 5276 5277 IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(IWH_FH_SRVC_CHNL), 5278 IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | 5279 IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL | 5280 IWH_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); 5281 5282 iwh_mac_access_exit(sc); 5283 5284 return (IWH_SUCCESS); 5285 } 5286 5287 /* 5288 * necessary setting during alive notification 5289 */ 5290 static int 5291 iwh_alive_common(iwh_sc_t *sc) 5292 { 5293 uint32_t base; 5294 uint32_t i; 5295 iwh_wimax_coex_cmd_t w_cmd; 5296 iwh_calibration_crystal_cmd_t c_cmd; 5297 uint32_t rv = IWH_FAIL; 5298 5299 /* 5300 * initialize SCD related registers to make TX work. 5301 */ 5302 iwh_mac_access_enter(sc); 5303 5304 /* 5305 * read sram address of data base. 5306 */ 5307 sc->sc_scd_base = iwh_reg_read(sc, IWH_SCD_SRAM_BASE_ADDR); 5308 5309 for (base = sc->sc_scd_base + IWH_SCD_CONTEXT_DATA_OFFSET; 5310 base < sc->sc_scd_base + IWH_SCD_TX_STTS_BITMAP_OFFSET; 5311 base += 4) { 5312 iwh_mem_write(sc, base, 0); 5313 } 5314 5315 for (; base < sc->sc_scd_base + IWH_SCD_TRANSLATE_TBL_OFFSET; 5316 base += 4) { 5317 iwh_mem_write(sc, base, 0); 5318 } 5319 5320 for (i = 0; i < sizeof (uint16_t) * IWH_NUM_QUEUES; i += 4) { 5321 iwh_mem_write(sc, base + i, 0); 5322 } 5323 5324 iwh_reg_write(sc, IWH_SCD_DRAM_BASE_ADDR, 5325 sc->sc_dma_sh.cookie.dmac_address >> 10); 5326 5327 iwh_reg_write(sc, IWH_SCD_QUEUECHAIN_SEL, 5328 IWH_SCD_QUEUECHAIN_SEL_ALL(IWH_NUM_QUEUES)); 5329 5330 iwh_reg_write(sc, IWH_SCD_AGGR_SEL, 0); 5331 5332 for (i = 0; i < IWH_NUM_QUEUES; i++) { 5333 iwh_reg_write(sc, IWH_SCD_QUEUE_RDPTR(i), 0); 5334 IWH_WRITE(sc, HBUS_TARG_WRPTR, 0 | (i << 8)); 5335 iwh_mem_write(sc, sc->sc_scd_base + 5336 IWH_SCD_CONTEXT_QUEUE_OFFSET(i), 0); 5337 iwh_mem_write(sc, sc->sc_scd_base + 5338 IWH_SCD_CONTEXT_QUEUE_OFFSET(i) + 5339 sizeof (uint32_t), 5340 ((SCD_WIN_SIZE << IWH_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) & 5341 IWH_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) | 5342 ((SCD_FRAME_LIMIT << 5343 IWH_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) & 5344 IWH_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK)); 5345 } 5346 5347 iwh_reg_write(sc, IWH_SCD_INTERRUPT_MASK, (1 << IWH_NUM_QUEUES) - 1); 5348 5349 iwh_reg_write(sc, (IWH_SCD_BASE + 0x10), 5350 SCD_TXFACT_REG_TXFIFO_MASK(0, 7)); 5351 5352 IWH_WRITE(sc, HBUS_TARG_WRPTR, (IWH_CMD_QUEUE_NUM << 8)); 5353 iwh_reg_write(sc, IWH_SCD_QUEUE_RDPTR(IWH_CMD_QUEUE_NUM), 0); 5354 5355 /* 5356 * queue 0-7 map to FIFO 0-7 and 5357 * all queues work under FIFO mode(none-scheduler_ack) 5358 */ 5359 for (i = 0; i < 4; i++) { 5360 iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(i), 5361 (1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) | 5362 ((3-i) << IWH_SCD_QUEUE_STTS_REG_POS_TXF) | 5363 (1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) | 5364 IWH_SCD_QUEUE_STTS_REG_MSK); 5365 } 5366 5367 iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(IWH_CMD_QUEUE_NUM), 5368 (1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) | 5369 (IWH_CMD_FIFO_NUM << IWH_SCD_QUEUE_STTS_REG_POS_TXF) | 5370 (1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) | 5371 IWH_SCD_QUEUE_STTS_REG_MSK); 5372 5373 for (i = 5; i < 7; i++) { 5374 iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(i), 5375 (1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) | 5376 (i << IWH_SCD_QUEUE_STTS_REG_POS_TXF) | 5377 (1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) | 5378 IWH_SCD_QUEUE_STTS_REG_MSK); 5379 } 5380 5381 iwh_mac_access_exit(sc); 5382 5383 (void) memset(&w_cmd, 0, sizeof (w_cmd)); 5384 5385 rv = iwh_cmd(sc, COEX_PRIORITY_TABLE_CMD, &w_cmd, sizeof (w_cmd), 1); 5386 if (rv != IWH_SUCCESS) { 5387 cmn_err(CE_WARN, "iwh_alive_common(): " 5388 "failed to send wimax coexist command.\n"); 5389 return (rv); 5390 } 5391 5392 if ((sc->sc_dev_id != 0x423c) && 5393 (sc->sc_dev_id != 0x423d)) { 5394 (void) memset(&c_cmd, 0, sizeof (c_cmd)); 5395 5396 c_cmd.opCode = PHY_CALIBRATE_CRYSTAL_FRQ_CMD; 5397 c_cmd.data.cap_pin1 = LE_16(sc->sc_eep_calib->xtal_calib[0]); 5398 c_cmd.data.cap_pin2 = LE_16(sc->sc_eep_calib->xtal_calib[1]); 5399 5400 rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, 5401 &c_cmd, sizeof (c_cmd), 1); 5402 if (rv != IWH_SUCCESS) { 5403 cmn_err(CE_WARN, "iwh_alive_common(): " 5404 "failed to send crystal" 5405 "frq calibration command.\n"); 5406 return (rv); 5407 } 5408 5409 /* 5410 * make sure crystal frequency calibration ready 5411 * before next operations. 5412 */ 5413 DELAY(1000); 5414 } 5415 5416 return (IWH_SUCCESS); 5417 } 5418 5419 /* 5420 * save results of calibration from ucode 5421 */ 5422 static void 5423 iwh_save_calib_result(iwh_sc_t *sc, iwh_rx_desc_t *desc) 5424 { 5425 struct iwh_calib_results *res_p = &sc->sc_calib_results; 5426 struct iwh_calib_hdr *calib_hdr = (struct iwh_calib_hdr *)(desc + 1); 5427 int len = LE_32(desc->len); 5428 5429 /* 5430 * ensure the size of buffer is not too big 5431 */ 5432 len = (len & FH_RSCSR_FRAME_SIZE_MASK) - 4; 5433 5434 switch (calib_hdr->op_code) { 5435 case PHY_CALIBRATE_LO_CMD: 5436 if (NULL == res_p->lo_res) { 5437 res_p->lo_res = kmem_alloc(len, KM_NOSLEEP); 5438 } 5439 5440 if (NULL == res_p->lo_res) { 5441 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5442 "failed to allocate memory.\n"); 5443 return; 5444 } 5445 5446 res_p->lo_res_len = len; 5447 bcopy(calib_hdr, res_p->lo_res, len); 5448 break; 5449 5450 case PHY_CALIBRATE_TX_IQ_CMD: 5451 if (NULL == res_p->tx_iq_res) { 5452 res_p->tx_iq_res = kmem_alloc(len, KM_NOSLEEP); 5453 } 5454 5455 if (NULL == res_p->tx_iq_res) { 5456 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5457 "failed to allocate memory.\n"); 5458 return; 5459 } 5460 5461 res_p->tx_iq_res_len = len; 5462 bcopy(calib_hdr, res_p->tx_iq_res, len); 5463 break; 5464 5465 case PHY_CALIBRATE_TX_IQ_PERD_CMD: 5466 if (NULL == res_p->tx_iq_perd_res) { 5467 res_p->tx_iq_perd_res = kmem_alloc(len, KM_NOSLEEP); 5468 } 5469 5470 if (NULL == res_p->tx_iq_perd_res) { 5471 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5472 "failed to allocate memory.\n"); 5473 return; 5474 } 5475 5476 res_p->tx_iq_perd_res_len = len; 5477 bcopy(calib_hdr, res_p->tx_iq_perd_res, len); 5478 break; 5479 5480 case PHY_CALIBRATE_DC_CMD: 5481 if (NULL == res_p->dc_res) { 5482 res_p->dc_res = kmem_alloc(len, KM_NOSLEEP); 5483 } 5484 5485 if (NULL == res_p->dc_res) { 5486 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5487 "failed to allocate memory.\n"); 5488 return; 5489 } 5490 5491 res_p->dc_res_len = len; 5492 bcopy(calib_hdr, res_p->dc_res, len); 5493 break; 5494 5495 case PHY_CALIBRATE_BASE_BAND_CMD: 5496 if (NULL == res_p->base_band_res) { 5497 res_p->base_band_res = kmem_alloc(len, KM_NOSLEEP); 5498 } 5499 5500 if (NULL == res_p->base_band_res) { 5501 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5502 "failed to allocate memory.\n"); 5503 return; 5504 } 5505 5506 res_p->base_band_res_len = len; 5507 bcopy(calib_hdr, res_p->base_band_res, len); 5508 break; 5509 5510 default: 5511 cmn_err(CE_WARN, "iwh_save_calib_result(): " 5512 "incorrect calibration type(%d).\n", calib_hdr->op_code); 5513 break; 5514 } 5515 5516 } 5517 5518 /* 5519 * configure TX pwoer table 5520 */ 5521 static int 5522 iwh_tx_power_table(iwh_sc_t *sc, int async) 5523 { 5524 iwh_tx_power_table_cmd_t txpower; 5525 int i, err = IWH_FAIL; 5526 5527 (void) memset(&txpower, 0, sizeof (txpower)); 5528 5529 txpower.band = 1; /* for 2.4G */ 5530 txpower.channel = (uint8_t)LE_16(sc->sc_config.chan); 5531 txpower.pa_measurements = 1; 5532 txpower.max_mcs = 23; 5533 5534 for (i = 0; i < 24; i++) { 5535 txpower.db.ht_ofdm_power[i].s.radio_tx_gain[0] = 0x16; 5536 txpower.db.ht_ofdm_power[i].s.radio_tx_gain[1] = 0x16; 5537 txpower.db.ht_ofdm_power[i].s.radio_tx_gain[2] = 0x16; 5538 txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[0] = 0x6E; 5539 txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[1] = 0x6E; 5540 txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[2] = 0x6E; 5541 } 5542 5543 for (i = 0; i < 2; i++) { 5544 txpower.db.cck_power[i].s.radio_tx_gain[0] = 0x16; 5545 txpower.db.cck_power[i].s.radio_tx_gain[1] = 0x16; 5546 txpower.db.cck_power[i].s.radio_tx_gain[2] = 0x16; 5547 txpower.db.cck_power[i].s.dsp_predis_atten[0] = 0x6E; 5548 txpower.db.cck_power[i].s.dsp_predis_atten[1] = 0x6E; 5549 txpower.db.cck_power[i].s.dsp_predis_atten[2] = 0x6E; 5550 } 5551 5552 err = iwh_cmd(sc, REPLY_TX_PWR_TABLE_CMD, &txpower, 5553 sizeof (txpower), async); 5554 if (err != IWH_SUCCESS) { 5555 cmn_err(CE_WARN, "iwh_tx_power_table(): " 5556 "failed to set tx power table.\n"); 5557 return (err); 5558 } 5559 5560 return (err); 5561 } 5562 5563 static void 5564 iwh_release_calib_buffer(iwh_sc_t *sc) 5565 { 5566 if (sc->sc_calib_results.lo_res != NULL) { 5567 kmem_free(sc->sc_calib_results.lo_res, 5568 sc->sc_calib_results.lo_res_len); 5569 sc->sc_calib_results.lo_res = NULL; 5570 } 5571 5572 if (sc->sc_calib_results.tx_iq_res != NULL) { 5573 kmem_free(sc->sc_calib_results.tx_iq_res, 5574 sc->sc_calib_results.tx_iq_res_len); 5575 sc->sc_calib_results.tx_iq_res = NULL; 5576 } 5577 5578 if (sc->sc_calib_results.tx_iq_perd_res != NULL) { 5579 kmem_free(sc->sc_calib_results.tx_iq_perd_res, 5580 sc->sc_calib_results.tx_iq_perd_res_len); 5581 sc->sc_calib_results.tx_iq_perd_res = NULL; 5582 } 5583 5584 if (sc->sc_calib_results.dc_res != NULL) { 5585 kmem_free(sc->sc_calib_results.dc_res, 5586 sc->sc_calib_results.dc_res_len); 5587 sc->sc_calib_results.dc_res = NULL; 5588 } 5589 5590 if (sc->sc_calib_results.base_band_res != NULL) { 5591 kmem_free(sc->sc_calib_results.base_band_res, 5592 sc->sc_calib_results.base_band_res_len); 5593 sc->sc_calib_results.base_band_res = NULL; 5594 } 5595 } 5596 5597 /* 5598 * common section of intialization 5599 */ 5600 static int 5601 iwh_init_common(iwh_sc_t *sc) 5602 { 5603 int32_t qid; 5604 uint32_t tmp; 5605 5606 if (iwh_reset_hw(sc) != IWH_SUCCESS) { 5607 cmn_err(CE_WARN, "iwh_init_common(): " 5608 "failed to reset hardware\n"); 5609 return (IWH_FAIL); 5610 } 5611 5612 (void) iwh_preinit(sc); 5613 5614 tmp = IWH_READ(sc, CSR_GP_CNTRL); 5615 if (!(tmp & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) { 5616 cmn_err(CE_NOTE, "iwh_init_common(): " 5617 "radio transmitter is off\n"); 5618 return (IWH_FAIL); 5619 } 5620 5621 /* 5622 * init Rx ring 5623 */ 5624 iwh_mac_access_enter(sc); 5625 IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); 5626 5627 IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); 5628 IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_BASE_REG, 5629 sc->sc_rxq.dma_desc.cookie.dmac_address >> 8); 5630 5631 IWH_WRITE(sc, FH_RSCSR_CHNL0_STTS_WPTR_REG, 5632 ((uint32_t)(sc->sc_dma_sh.cookie.dmac_address + 5633 offsetof(struct iwh_shared, val0)) >> 4)); 5634 5635 IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG, 5636 FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL | 5637 FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL | 5638 IWH_FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_8K | 5639 (RX_QUEUE_SIZE_LOG << 5640 FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT)); 5641 iwh_mac_access_exit(sc); 5642 IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 5643 (RX_QUEUE_SIZE - 1) & ~0x7); 5644 5645 /* 5646 * init Tx rings 5647 */ 5648 iwh_mac_access_enter(sc); 5649 iwh_reg_write(sc, IWH_SCD_TXFACT, 0); 5650 5651 /* 5652 * keep warm page 5653 */ 5654 IWH_WRITE(sc, IWH_FH_KW_MEM_ADDR_REG, 5655 sc->sc_dma_kw.cookie.dmac_address >> 4); 5656 5657 for (qid = 0; qid < IWH_NUM_QUEUES; qid++) { 5658 IWH_WRITE(sc, FH_MEM_CBBC_QUEUE(qid), 5659 sc->sc_txq[qid].dma_desc.cookie.dmac_address >> 8); 5660 IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(qid), 5661 IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | 5662 IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL); 5663 } 5664 5665 iwh_mac_access_exit(sc); 5666 5667 /* 5668 * clear "radio off" and "disable command" bits 5669 */ 5670 IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); 5671 IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, 5672 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); 5673 5674 /* 5675 * clear any pending interrupts 5676 */ 5677 IWH_WRITE(sc, CSR_INT, 0xffffffff); 5678 5679 /* 5680 * enable interrupts 5681 */ 5682 IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK); 5683 5684 IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); 5685 IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); 5686 5687 return (IWH_SUCCESS); 5688 } 5689 5690 static int 5691 iwh_fast_recover(iwh_sc_t *sc) 5692 { 5693 ieee80211com_t *ic = &sc->sc_ic; 5694 int err = IWH_FAIL; 5695 5696 mutex_enter(&sc->sc_glock); 5697 5698 /* 5699 * restore runtime configuration 5700 */ 5701 bcopy(&sc->sc_config_save, &sc->sc_config, 5702 sizeof (sc->sc_config)); 5703 5704 sc->sc_config.assoc_id = 0; 5705 sc->sc_config.filter_flags &= ~LE_32(RXON_FILTER_ASSOC_MSK); 5706 5707 if ((err = iwh_hw_set_before_auth(sc)) != IWH_SUCCESS) { 5708 cmn_err(CE_WARN, "iwh_fast_recover(): " 5709 "could not setup authentication\n"); 5710 mutex_exit(&sc->sc_glock); 5711 return (err); 5712 } 5713 5714 bcopy(&sc->sc_config_save, &sc->sc_config, 5715 sizeof (sc->sc_config)); 5716 5717 /* 5718 * update adapter's configuration 5719 */ 5720 err = iwh_run_state_config(sc); 5721 if (err != IWH_SUCCESS) { 5722 cmn_err(CE_WARN, "iwh_fast_recover(): " 5723 "failed to setup association\n"); 5724 mutex_exit(&sc->sc_glock); 5725 return (err); 5726 } 5727 5728 /* 5729 * set LED on 5730 */ 5731 iwh_set_led(sc, 2, 0, 1); 5732 5733 mutex_exit(&sc->sc_glock); 5734 5735 atomic_and_32(&sc->sc_flags, ~IWH_F_HW_ERR_RECOVER); 5736 5737 /* 5738 * start queue 5739 */ 5740 IWH_DBG((IWH_DEBUG_FW, "iwh_fast_recover(): " 5741 "resume xmit\n")); 5742 mac_tx_update(ic->ic_mach); 5743 5744 return (IWH_SUCCESS); 5745 } 5746 5747 static int 5748 iwh_run_state_config(iwh_sc_t *sc) 5749 { 5750 struct ieee80211com *ic = &sc->sc_ic; 5751 ieee80211_node_t *in = ic->ic_bss; 5752 uint32_t ht_protec = (uint32_t)(-1); 5753 int err = IWH_FAIL; 5754 5755 /* 5756 * update adapter's configuration 5757 */ 5758 sc->sc_config.assoc_id = in->in_associd & 0x3fff; 5759 5760 /* 5761 * short preamble/slot time are 5762 * negotiated when associating 5763 */ 5764 sc->sc_config.flags &= 5765 ~LE_32(RXON_FLG_SHORT_PREAMBLE_MSK | 5766 RXON_FLG_SHORT_SLOT_MSK); 5767 5768 if (ic->ic_flags & IEEE80211_F_SHSLOT) { 5769 sc->sc_config.flags |= 5770 LE_32(RXON_FLG_SHORT_SLOT_MSK); 5771 } 5772 5773 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) { 5774 sc->sc_config.flags |= 5775 LE_32(RXON_FLG_SHORT_PREAMBLE_MSK); 5776 } 5777 5778 if (in->in_flags & IEEE80211_NODE_HT) { 5779 ht_protec = in->in_htopmode; 5780 if (ht_protec > 3) { 5781 cmn_err(CE_WARN, "iwh_run_state_config(): " 5782 "HT protection mode is not correct.\n"); 5783 return (IWH_FAIL); 5784 } else if (NO_HT_PROT == ht_protec) { 5785 ht_protec = sc->sc_ht_conf.ht_protection; 5786 } 5787 5788 sc->sc_config.flags |= 5789 LE_32(ht_protec << RXON_FLG_HT_OPERATING_MODE_POS); 5790 } 5791 5792 /* 5793 * set RX chains/antennas. 5794 */ 5795 iwh_config_rxon_chain(sc); 5796 5797 sc->sc_config.filter_flags |= 5798 LE_32(RXON_FILTER_ASSOC_MSK); 5799 5800 if (ic->ic_opmode != IEEE80211_M_STA) { 5801 sc->sc_config.filter_flags |= 5802 LE_32(RXON_FILTER_BCON_AWARE_MSK); 5803 } 5804 5805 IWH_DBG((IWH_DEBUG_80211, "iwh_run_state_config(): " 5806 "config chan %d flags %x" 5807 " filter_flags %x\n", 5808 sc->sc_config.chan, sc->sc_config.flags, 5809 sc->sc_config.filter_flags)); 5810 5811 err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config, 5812 sizeof (iwh_rxon_cmd_t), 1); 5813 if (err != IWH_SUCCESS) { 5814 cmn_err(CE_WARN, "iwh_run_state_config(): " 5815 "could not update configuration\n"); 5816 return (err); 5817 } 5818 5819 if ((sc->sc_dev_id != 0x423c) && 5820 (sc->sc_dev_id != 0x423d)) { 5821 /* 5822 * send tx power table command 5823 */ 5824 err = iwh_tx_power_table(sc, 1); 5825 if (err != IWH_SUCCESS) { 5826 return (err); 5827 } 5828 } 5829 5830 /* 5831 * Not need to update retry rate table for AP node 5832 */ 5833 err = iwh_qosparam_to_hw(sc, 1); 5834 if (err != IWH_SUCCESS) { 5835 return (err); 5836 } 5837 5838 return (err); 5839 } 5840 5841 /* 5842 * This function is only for compatibility with Net80211 module. 5843 * iwh_qosparam_to_hw() is the actual function updating EDCA 5844 * parameters to hardware. 5845 */ 5846 /* ARGSUSED */ 5847 static int 5848 iwh_wme_update(ieee80211com_t *ic) 5849 { 5850 return (0); 5851 } 5852 5853 static int 5854 iwh_wme_to_qos_ac(int wme_ac) 5855 { 5856 int qos_ac = QOS_AC_INVALID; 5857 5858 if (wme_ac < WME_AC_BE || wme_ac > WME_AC_VO) { 5859 cmn_err(CE_WARN, "iwh_wme_to_qos_ac(): " 5860 "WME AC index is not in suitable range.\n"); 5861 return (qos_ac); 5862 } 5863 5864 switch (wme_ac) { 5865 case WME_AC_BE: 5866 qos_ac = QOS_AC_BK; 5867 break; 5868 case WME_AC_BK: 5869 qos_ac = QOS_AC_BE; 5870 break; 5871 case WME_AC_VI: 5872 qos_ac = QOS_AC_VI; 5873 break; 5874 case WME_AC_VO: 5875 qos_ac = QOS_AC_VO; 5876 break; 5877 } 5878 5879 return (qos_ac); 5880 } 5881 5882 static uint16_t 5883 iwh_cw_e_to_cw(uint8_t cw_e) 5884 { 5885 uint16_t cw = 1; 5886 5887 while (cw_e > 0) { 5888 cw <<= 1; 5889 cw_e--; 5890 } 5891 5892 cw -= 1; 5893 return (cw); 5894 } 5895 5896 static int 5897 iwh_wmeparam_check(struct wmeParams *wmeparam) 5898 { 5899 int i; 5900 5901 for (i = 0; i < WME_NUM_AC; i++) { 5902 5903 if ((wmeparam[i].wmep_logcwmax > QOS_CW_RANGE_MAX) || 5904 (wmeparam[i].wmep_logcwmin >= wmeparam[i].wmep_logcwmax)) { 5905 cmn_err(CE_WARN, "iwh_wmeparam_check(): " 5906 "Contention window is not in suitable range.\n"); 5907 return (IWH_FAIL); 5908 } 5909 5910 if ((wmeparam[i].wmep_aifsn < QOS_AIFSN_MIN) || 5911 (wmeparam[i].wmep_aifsn > QOS_AIFSN_MAX)) { 5912 cmn_err(CE_WARN, "iwh_wmeparam_check(): " 5913 "Arbitration interframe space number" 5914 "is not in suitable range.\n"); 5915 return (IWH_FAIL); 5916 } 5917 } 5918 5919 return (IWH_SUCCESS); 5920 } 5921 5922 /* 5923 * This function updates EDCA parameters into hardware. 5924 * FIFO0-background, FIFO1-best effort, FIFO2-viedo, FIFO3-voice. 5925 */ 5926 static int 5927 iwh_qosparam_to_hw(iwh_sc_t *sc, int async) 5928 { 5929 ieee80211com_t *ic = &sc->sc_ic; 5930 ieee80211_node_t *in = ic->ic_bss; 5931 struct wmeParams *wmeparam; 5932 iwh_qos_param_cmd_t qosparam_cmd; 5933 int i, j; 5934 int err = IWH_FAIL; 5935 5936 if ((in->in_flags & IEEE80211_NODE_QOS) && 5937 (IEEE80211_M_STA == ic->ic_opmode)) { 5938 wmeparam = ic->ic_wme.wme_chanParams.cap_wmeParams; 5939 } else { 5940 return (IWH_SUCCESS); 5941 } 5942 5943 (void) memset(&qosparam_cmd, 0, sizeof (qosparam_cmd)); 5944 5945 err = iwh_wmeparam_check(wmeparam); 5946 if (err != IWH_SUCCESS) { 5947 return (err); 5948 } 5949 5950 if (in->in_flags & IEEE80211_NODE_QOS) { 5951 qosparam_cmd.flags |= QOS_PARAM_FLG_UPDATE_EDCA; 5952 } 5953 5954 if (in->in_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT)) { 5955 qosparam_cmd.flags |= QOS_PARAM_FLG_TGN; 5956 } 5957 5958 for (i = 0; i < WME_NUM_AC; i++) { 5959 5960 j = iwh_wme_to_qos_ac(i); 5961 if (j < QOS_AC_BK || j > QOS_AC_VO) { 5962 return (IWH_FAIL); 5963 } 5964 5965 qosparam_cmd.ac[j].cw_min = 5966 iwh_cw_e_to_cw(wmeparam[i].wmep_logcwmin); 5967 qosparam_cmd.ac[j].cw_max = 5968 iwh_cw_e_to_cw(wmeparam[i].wmep_logcwmax); 5969 qosparam_cmd.ac[j].aifsn = 5970 wmeparam[i].wmep_aifsn; 5971 qosparam_cmd.ac[j].txop = 5972 (uint16_t)(wmeparam[i].wmep_txopLimit * 32); 5973 } 5974 5975 err = iwh_cmd(sc, REPLY_QOS_PARAM, &qosparam_cmd, 5976 sizeof (qosparam_cmd), async); 5977 if (err != IWH_SUCCESS) { 5978 cmn_err(CE_WARN, "iwh_qosparam_to_hw(): " 5979 "failed to update QoS parameters into hardware.\n"); 5980 return (err); 5981 } 5982 5983 #ifdef DEBUG 5984 IWH_DBG((IWH_DEBUG_QOS, "iwh_qosparam_to_hw(): " 5985 "EDCA parameters are as follows:\n")); 5986 5987 IWH_DBG((IWH_DEBUG_QOS, "BK parameters are: " 5988 "cw_min = %d, cw_max = %d, aifsn = %d, txop = %d\n", 5989 qosparam_cmd.ac[0].cw_min, qosparam_cmd.ac[0].cw_max, 5990 qosparam_cmd.ac[0].aifsn, qosparam_cmd.ac[0].txop)); 5991 5992 IWH_DBG((IWH_DEBUG_QOS, "BE parameters are: " 5993 "cw_min = %d, cw_max = %d, aifsn = %d, txop = %d\n", 5994 qosparam_cmd.ac[1].cw_min, qosparam_cmd.ac[1].cw_max, 5995 qosparam_cmd.ac[1].aifsn, qosparam_cmd.ac[1].txop)); 5996 5997 IWH_DBG((IWH_DEBUG_QOS, "VI parameters are: " 5998 "cw_min = %d, cw_max = %d, aifsn = %d, txop = %d\n", 5999 qosparam_cmd.ac[2].cw_min, qosparam_cmd.ac[2].cw_max, 6000 qosparam_cmd.ac[2].aifsn, qosparam_cmd.ac[2].txop)); 6001 6002 IWH_DBG((IWH_DEBUG_QOS, "VO parameters are: " 6003 "cw_min = %d, cw_max = %d, aifsn = %d, txop = %d\n", 6004 qosparam_cmd.ac[3].cw_min, qosparam_cmd.ac[3].cw_max, 6005 qosparam_cmd.ac[3].aifsn, qosparam_cmd.ac[3].txop)); 6006 #endif 6007 return (err); 6008 } 6009 6010 static inline int 6011 iwh_wme_tid_qos_ac(int tid) 6012 { 6013 switch (tid) { 6014 case 1: 6015 case 2: 6016 return (QOS_AC_BK); 6017 case 0: 6018 case 3: 6019 return (QOS_AC_BE); 6020 case 4: 6021 case 5: 6022 return (QOS_AC_VI); 6023 case 6: 6024 case 7: 6025 return (QOS_AC_VO); 6026 } 6027 6028 return (QOS_AC_BE); 6029 } 6030 6031 static inline int 6032 iwh_qos_ac_to_txq(int qos_ac) 6033 { 6034 switch (qos_ac) { 6035 case QOS_AC_BK: 6036 return (QOS_AC_BK_TO_TXQ); 6037 case QOS_AC_BE: 6038 return (QOS_AC_BE_TO_TXQ); 6039 case QOS_AC_VI: 6040 return (QOS_AC_VI_TO_TXQ); 6041 case QOS_AC_VO: 6042 return (QOS_AC_VO_TO_TXQ); 6043 } 6044 6045 return (QOS_AC_BE_TO_TXQ); 6046 } 6047 6048 static int 6049 iwh_wme_tid_to_txq(int tid) 6050 { 6051 int queue_n = TXQ_FOR_AC_INVALID; 6052 int qos_ac; 6053 6054 if (tid < WME_TID_MIN || 6055 tid > WME_TID_MAX) { 6056 cmn_err(CE_WARN, "wme_tid_to_txq(): " 6057 "TID is not in suitable range.\n"); 6058 return (queue_n); 6059 } 6060 6061 qos_ac = iwh_wme_tid_qos_ac(tid); 6062 queue_n = iwh_qos_ac_to_txq(qos_ac); 6063 6064 return (queue_n); 6065 } 6066 6067 /* 6068 * This function is used for intializing HT relevant configurations. 6069 */ 6070 static void 6071 iwh_init_ht_conf(iwh_sc_t *sc) 6072 { 6073 (void) memset(&sc->sc_ht_conf, 0, sizeof (iwh_ht_conf_t)); 6074 6075 if ((0x4235 == sc->sc_dev_id) || 6076 (0x4236 == sc->sc_dev_id) || 6077 (0x423a == sc->sc_dev_id)) { 6078 sc->sc_ht_conf.ht_support = 1; 6079 6080 sc->sc_ht_conf.valid_chains = 3; 6081 sc->sc_ht_conf.tx_stream_count = 2; 6082 sc->sc_ht_conf.rx_stream_count = 2; 6083 6084 sc->sc_ht_conf.tx_support_mcs[0] = 0xff; 6085 sc->sc_ht_conf.tx_support_mcs[1] = 0xff; 6086 sc->sc_ht_conf.rx_support_mcs[0] = 0xff; 6087 sc->sc_ht_conf.rx_support_mcs[1] = 0xff; 6088 } else { 6089 sc->sc_ht_conf.ht_support = 1; 6090 6091 sc->sc_ht_conf.valid_chains = 2; 6092 sc->sc_ht_conf.tx_stream_count = 1; 6093 sc->sc_ht_conf.rx_stream_count = 2; 6094 6095 sc->sc_ht_conf.tx_support_mcs[0] = 0xff; 6096 sc->sc_ht_conf.rx_support_mcs[0] = 0xff; 6097 sc->sc_ht_conf.rx_support_mcs[1] = 0xff; 6098 } 6099 6100 if (sc->sc_ht_conf.ht_support) { 6101 sc->sc_ht_conf.cap |= HT_CAP_GRN_FLD; 6102 sc->sc_ht_conf.cap |= HT_CAP_SGI_20; 6103 sc->sc_ht_conf.cap |= HT_CAP_MAX_AMSDU; 6104 /* should disable MIMO */ 6105 sc->sc_ht_conf.cap |= HT_CAP_MIMO_PS; 6106 6107 sc->sc_ht_conf.ampdu_p.factor = HT_RX_AMPDU_FACTOR; 6108 sc->sc_ht_conf.ampdu_p.density = HT_MPDU_DENSITY; 6109 6110 sc->sc_ht_conf.ht_protection = HT_PROT_CHAN_NON_HT; 6111 } 6112 } 6113 6114 /* 6115 * This function overwrites default ieee80211_rateset_11n struc. 6116 */ 6117 static void 6118 iwh_overwrite_11n_rateset(iwh_sc_t *sc) 6119 { 6120 uint8_t *ht_rs = sc->sc_ht_conf.rx_support_mcs; 6121 int mcs_idx, mcs_count = 0; 6122 int i, j; 6123 6124 for (i = 0; i < HT_RATESET_NUM; i++) { 6125 for (j = 0; j < 8; j++) { 6126 if (ht_rs[i] & (1 << j)) { 6127 mcs_idx = i * 8 + j; 6128 if (mcs_idx >= IEEE80211_HTRATE_MAXSIZE) { 6129 break; 6130 } 6131 6132 ieee80211_rateset_11n.rs_rates[mcs_idx] = 6133 (uint8_t)mcs_idx; 6134 mcs_count++; 6135 } 6136 } 6137 } 6138 6139 ieee80211_rateset_11n.rs_nrates = (uint8_t)mcs_count; 6140 6141 #ifdef DEBUG 6142 IWH_DBG((IWH_DEBUG_HTRATE, "iwh_overwrite_11n_rateset(): " 6143 "HT rates supported by this station is as follows:\n")); 6144 6145 for (i = 0; i < ieee80211_rateset_11n.rs_nrates; i++) { 6146 IWH_DBG((IWH_DEBUG_HTRATE, "Rate %d is %d\n", 6147 i, ieee80211_rateset_11n.rs_rates[i])); 6148 } 6149 #endif 6150 } 6151 6152 /* 6153 * This function overwrites default configurations of 6154 * ieee80211com structure in Net80211 module. 6155 */ 6156 static void 6157 iwh_overwrite_ic_default(iwh_sc_t *sc) 6158 { 6159 ieee80211com_t *ic = &sc->sc_ic; 6160 6161 sc->sc_newstate = ic->ic_newstate; 6162 ic->ic_newstate = iwh_newstate; 6163 ic->ic_node_alloc = iwh_node_alloc; 6164 ic->ic_node_free = iwh_node_free; 6165 6166 if (sc->sc_ht_conf.ht_support) { 6167 sc->sc_recv_action = ic->ic_recv_action; 6168 ic->ic_recv_action = iwh_recv_action; 6169 sc->sc_send_action = ic->ic_send_action; 6170 ic->ic_send_action = iwh_send_action; 6171 6172 ic->ic_ampdu_rxmax = sc->sc_ht_conf.ampdu_p.factor; 6173 ic->ic_ampdu_density = sc->sc_ht_conf.ampdu_p.density; 6174 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax; 6175 } 6176 } 6177 6178 /* 6179 * This function sets "RX chain selection" feild 6180 * in RXON command during plumb driver. 6181 */ 6182 static void 6183 iwh_config_rxon_chain(iwh_sc_t *sc) 6184 { 6185 ieee80211com_t *ic = &sc->sc_ic; 6186 ieee80211_node_t *in = ic->ic_bss; 6187 6188 if (3 == sc->sc_ht_conf.valid_chains) { 6189 sc->sc_config.rx_chain = LE_16((RXON_RX_CHAIN_A_MSK | 6190 RXON_RX_CHAIN_B_MSK | RXON_RX_CHAIN_C_MSK) << 6191 RXON_RX_CHAIN_VALID_POS); 6192 6193 sc->sc_config.rx_chain |= LE_16((RXON_RX_CHAIN_A_MSK | 6194 RXON_RX_CHAIN_B_MSK | RXON_RX_CHAIN_C_MSK) << 6195 RXON_RX_CHAIN_FORCE_SEL_POS); 6196 6197 sc->sc_config.rx_chain |= LE_16((RXON_RX_CHAIN_A_MSK | 6198 RXON_RX_CHAIN_B_MSK | RXON_RX_CHAIN_C_MSK) << 6199 RXON_RX_CHAIN_FORCE_MIMO_SEL_POS); 6200 } else { 6201 sc->sc_config.rx_chain = LE_16((RXON_RX_CHAIN_A_MSK | 6202 RXON_RX_CHAIN_B_MSK) << RXON_RX_CHAIN_VALID_POS); 6203 6204 sc->sc_config.rx_chain |= LE_16((RXON_RX_CHAIN_A_MSK | 6205 RXON_RX_CHAIN_B_MSK) << RXON_RX_CHAIN_FORCE_SEL_POS); 6206 6207 sc->sc_config.rx_chain |= LE_16((RXON_RX_CHAIN_A_MSK | 6208 RXON_RX_CHAIN_B_MSK) << 6209 RXON_RX_CHAIN_FORCE_MIMO_SEL_POS); 6210 } 6211 6212 sc->sc_config.rx_chain |= LE_16(RXON_RX_CHAIN_DRIVER_FORCE_MSK); 6213 6214 if ((in != NULL) && 6215 (in->in_flags & IEEE80211_NODE_HT) && 6216 sc->sc_ht_conf.ht_support) { 6217 if (3 == sc->sc_ht_conf.valid_chains) { 6218 sc->sc_config.rx_chain |= LE_16(3 << 6219 RXON_RX_CHAIN_CNT_POS); 6220 sc->sc_config.rx_chain |= LE_16(3 << 6221 RXON_RX_CHAIN_MIMO_CNT_POS); 6222 } else { 6223 sc->sc_config.rx_chain |= LE_16(2 << 6224 RXON_RX_CHAIN_CNT_POS); 6225 sc->sc_config.rx_chain |= LE_16(2 << 6226 RXON_RX_CHAIN_MIMO_CNT_POS); 6227 } 6228 6229 sc->sc_config.rx_chain |= LE_16(1 << 6230 RXON_RX_CHAIN_MIMO_FORCE_POS); 6231 } 6232 6233 IWH_DBG((IWH_DEBUG_RXON, "iwh_config_rxon_chain(): " 6234 "rxon->rx_chain = %x\n", sc->sc_config.rx_chain)); 6235 } 6236 6237 /* 6238 * This function adds AP station into hardware. 6239 */ 6240 static int 6241 iwh_add_ap_sta(iwh_sc_t *sc) 6242 { 6243 ieee80211com_t *ic = &sc->sc_ic; 6244 ieee80211_node_t *in = ic->ic_bss; 6245 iwh_add_sta_t node; 6246 uint32_t ampdu_factor, ampdu_density; 6247 int err = IWH_FAIL; 6248 6249 /* 6250 * Add AP node into hardware. 6251 */ 6252 (void) memset(&node, 0, sizeof (node)); 6253 IEEE80211_ADDR_COPY(node.sta.addr, in->in_bssid); 6254 node.mode = STA_MODE_ADD_MSK; 6255 node.sta.sta_id = IWH_AP_ID; 6256 6257 if (sc->sc_ht_conf.ht_support && 6258 (in->in_htcap_ie != NULL) && 6259 (in->in_htcap != 0) && 6260 (in->in_htparam != 0)) { 6261 6262 if (((in->in_htcap & HT_CAP_MIMO_PS) >> 2) 6263 == HT_CAP_MIMO_PS_DYNAMIC) { 6264 node.station_flags |= LE_32(STA_FLG_RTS_MIMO_PROT); 6265 } 6266 6267 ampdu_factor = in->in_htparam & HT_RX_AMPDU_FACTOR_MSK; 6268 node.station_flags |= 6269 LE_32(ampdu_factor << STA_FLG_MAX_AMPDU_POS); 6270 6271 ampdu_density = (in->in_htparam & HT_MPDU_DENSITY_MSK) >> 6272 HT_MPDU_DENSITY_POS; 6273 node.station_flags |= 6274 LE_32(ampdu_density << STA_FLG_AMPDU_DENSITY_POS); 6275 6276 if (in->in_htcap & LE_16(HT_CAP_SUP_WIDTH)) { 6277 node.station_flags |= 6278 LE_32(STA_FLG_FAT_EN); 6279 } 6280 } 6281 6282 err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 1); 6283 if (err != IWH_SUCCESS) { 6284 cmn_err(CE_WARN, "iwh_add_ap_lq(): " 6285 "failed to add AP node\n"); 6286 return (err); 6287 } 6288 6289 return (err); 6290 } 6291 6292 /* 6293 * Each station in the Shirley Peak's internal station table has 6294 * its own table of 16 TX rates and modulation modes for retrying 6295 * TX when an ACK is not received. This function replaces the entire 6296 * table for one station.Station must already be in Shirley Peak's 6297 * station talbe. 6298 */ 6299 static int 6300 iwh_ap_lq(iwh_sc_t *sc) 6301 { 6302 ieee80211com_t *ic = &sc->sc_ic; 6303 ieee80211_node_t *in = ic->ic_bss; 6304 iwh_link_quality_cmd_t link_quality; 6305 const struct ieee80211_rateset *rs_sup = NULL; 6306 uint32_t masks = 0, rate; 6307 int i, err = IWH_FAIL; 6308 6309 /* 6310 * TX_LINK_QUALITY cmd 6311 */ 6312 (void) memset(&link_quality, 0, sizeof (link_quality)); 6313 if (in->in_chan == IEEE80211_CHAN_ANYC) /* skip null node */ 6314 return (err); 6315 rs_sup = ieee80211_get_suprates(ic, in->in_chan); 6316 6317 for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { 6318 if (i < rs_sup->ir_nrates) { 6319 rate = rs_sup->ir_rates[rs_sup->ir_nrates - i] & 6320 IEEE80211_RATE_VAL; 6321 } else { 6322 rate = 2; 6323 } 6324 6325 if (2 == rate || 4 == rate || 6326 11 == rate || 22 == rate) { 6327 masks |= LE_32(RATE_MCS_CCK_MSK); 6328 } 6329 6330 masks |= LE_32(RATE_MCS_ANT_B_MSK); 6331 6332 link_quality.rate_n_flags[i] = 6333 LE_32(iwh_rate_to_plcp(rate) | masks); 6334 } 6335 6336 link_quality.general_params.single_stream_ant_msk = LINK_QUAL_ANT_B_MSK; 6337 link_quality.general_params.dual_stream_ant_msk = LINK_QUAL_ANT_MSK; 6338 link_quality.agg_params.agg_dis_start_th = 3; 6339 link_quality.agg_params.agg_time_limit = LE_16(4000); 6340 link_quality.sta_id = IWH_AP_ID; 6341 err = iwh_cmd(sc, REPLY_TX_LINK_QUALITY_CMD, &link_quality, 6342 sizeof (link_quality), 1); 6343 if (err != IWH_SUCCESS) { 6344 cmn_err(CE_WARN, "iwh_ap_lq(): " 6345 "failed to config link quality table\n"); 6346 return (err); 6347 } 6348 6349 #ifdef DEBUG 6350 IWH_DBG((IWH_DEBUG_HWRATE, "iwh_ap_lq(): " 6351 "Rates in HW are as follows:\n")); 6352 6353 for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { 6354 IWH_DBG((IWH_DEBUG_HWRATE, 6355 "Rate %d in HW is %x\n", i, link_quality.rate_n_flags[i])); 6356 } 6357 #endif 6358 6359 return (err); 6360 } 6361 6362 /* 6363 * When block ACK agreement has been set up between station and AP, 6364 * Net80211 module will call this function to inform hardware about 6365 * informations of this BA agreement. 6366 * When AP wants to delete BA agreement that was originated by it, 6367 * Net80211 modele will call this function to clean up relevant 6368 * information in hardware. 6369 */ 6370 static void 6371 iwh_recv_action(struct ieee80211_node *in, 6372 const uint8_t *frm, const uint8_t *efrm) 6373 { 6374 struct ieee80211com *ic; 6375 iwh_sc_t *sc; 6376 const struct ieee80211_action *ia; 6377 uint16_t baparamset, baseqctl; 6378 uint32_t tid, ssn; 6379 iwh_add_sta_t node; 6380 int err = IWH_FAIL; 6381 6382 if ((NULL == in) || (NULL == frm)) { 6383 return; 6384 } 6385 6386 ic = in->in_ic; 6387 if (NULL == ic) { 6388 return; 6389 } 6390 6391 sc = (iwh_sc_t *)ic; 6392 6393 sc->sc_recv_action(in, frm, efrm); 6394 6395 ia = (const struct ieee80211_action *)frm; 6396 if (ia->ia_category != IEEE80211_ACTION_CAT_BA) { 6397 return; 6398 } 6399 6400 switch (ia->ia_action) { 6401 case IEEE80211_ACTION_BA_ADDBA_REQUEST: 6402 baparamset = *(uint16_t *)(frm + 3); 6403 baseqctl = *(uint16_t *)(frm + 7); 6404 6405 tid = MS(baparamset, IEEE80211_BAPS_TID); 6406 ssn = MS(baseqctl, IEEE80211_BASEQ_START); 6407 6408 (void) memset(&node, 0, sizeof (node)); 6409 IEEE80211_ADDR_COPY(node.sta.addr, in->in_bssid); 6410 node.mode = STA_MODE_MODIFY_MSK; 6411 node.sta.sta_id = IWH_AP_ID; 6412 6413 node.station_flags_msk = 0; 6414 node.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK; 6415 node.add_immediate_ba_tid = (uint8_t)tid; 6416 node.add_immediate_ba_ssn = LE_16(ssn); 6417 6418 mutex_enter(&sc->sc_glock); 6419 err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 1); 6420 if (err != IWH_SUCCESS) { 6421 cmn_err(CE_WARN, "iwh_recv_action(): " 6422 "failed to setup RX block ACK\n"); 6423 mutex_exit(&sc->sc_glock); 6424 return; 6425 } 6426 mutex_exit(&sc->sc_glock); 6427 6428 IWH_DBG((IWH_DEBUG_BA, "iwh_recv_action(): " 6429 "RX block ACK " 6430 "was setup on TID %d and SSN is %d.\n", tid, ssn)); 6431 6432 return; 6433 6434 case IEEE80211_ACTION_BA_DELBA: 6435 baparamset = *(uint16_t *)(frm + 2); 6436 6437 if ((baparamset & IEEE80211_DELBAPS_INIT) == 0) { 6438 return; 6439 } 6440 6441 tid = MS(baparamset, IEEE80211_DELBAPS_TID); 6442 6443 (void) memset(&node, 0, sizeof (node)); 6444 IEEE80211_ADDR_COPY(node.sta.addr, in->in_bssid); 6445 node.mode = STA_MODE_MODIFY_MSK; 6446 node.sta.sta_id = IWH_AP_ID; 6447 6448 node.station_flags_msk = 0; 6449 node.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; 6450 node.add_immediate_ba_tid = (uint8_t)tid; 6451 6452 mutex_enter(&sc->sc_glock); 6453 err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 1); 6454 if (err != IWH_SUCCESS) { 6455 cmn_err(CE_WARN, "iwh_recv_action(): " 6456 "failed to delete RX block ACK\n"); 6457 mutex_exit(&sc->sc_glock); 6458 return; 6459 } 6460 mutex_exit(&sc->sc_glock); 6461 6462 IWH_DBG((IWH_DEBUG_BA, "iwh_recv_action(): " 6463 "RX block ACK " 6464 "was deleted on TID %d.\n", tid)); 6465 6466 return; 6467 } 6468 } 6469 6470 /* 6471 * When local station wants to delete BA agreement that was originated by AP, 6472 * Net80211 module will call this function to clean up relevant information 6473 * in hardware. 6474 */ 6475 static int 6476 iwh_send_action(struct ieee80211_node *in, 6477 int category, int action, uint16_t args[4]) 6478 { 6479 struct ieee80211com *ic; 6480 iwh_sc_t *sc; 6481 uint32_t tid; 6482 iwh_add_sta_t node; 6483 int ret = EIO; 6484 int err = IWH_FAIL; 6485 6486 6487 if (NULL == in) { 6488 return (ret); 6489 } 6490 6491 ic = in->in_ic; 6492 if (NULL == ic) { 6493 return (ret); 6494 } 6495 6496 sc = (iwh_sc_t *)ic; 6497 6498 ret = sc->sc_send_action(in, category, action, args); 6499 6500 if (category != IEEE80211_ACTION_CAT_BA) { 6501 return (ret); 6502 } 6503 6504 switch (action) { 6505 case IEEE80211_ACTION_BA_DELBA: 6506 if (IEEE80211_DELBAPS_INIT == args[1]) { 6507 return (ret); 6508 } 6509 6510 tid = args[0]; 6511 6512 (void) memset(&node, 0, sizeof (node)); 6513 IEEE80211_ADDR_COPY(node.sta.addr, in->in_bssid); 6514 node.mode = STA_MODE_MODIFY_MSK; 6515 node.sta.sta_id = IWH_AP_ID; 6516 6517 node.station_flags_msk = 0; 6518 node.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; 6519 node.add_immediate_ba_tid = (uint8_t)tid; 6520 6521 mutex_enter(&sc->sc_glock); 6522 err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 1); 6523 if (err != IWH_SUCCESS) { 6524 cmn_err(CE_WARN, "iwh_send_action(): " 6525 "failed to delete RX balock ACK\n"); 6526 mutex_exit(&sc->sc_glock); 6527 return (EIO); 6528 } 6529 mutex_exit(&sc->sc_glock); 6530 6531 IWH_DBG((IWH_DEBUG_BA, "iwh_send_action(): " 6532 "RX block ACK " 6533 "was deleted on TID %d.\n", tid)); 6534 6535 break; 6536 } 6537 6538 return (ret); 6539 } 6540 6541 static int 6542 iwh_reset_hw(iwh_sc_t *sc) 6543 { 6544 uint32_t tmp; 6545 int n; 6546 6547 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 6548 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 6549 tmp | CSR_HW_IF_CONFIG_REG_BITS_NIC_READY); 6550 6551 /* 6552 * wait for HW ready 6553 */ 6554 for (n = 0; n < 5; n++) { 6555 if (IWH_READ(sc, CSR_HW_IF_CONFIG_REG) & 6556 CSR_HW_IF_CONFIG_REG_BITS_NIC_READY) { 6557 break; 6558 } 6559 DELAY(10); 6560 } 6561 6562 if (n != 5) { 6563 return (IWH_SUCCESS); 6564 } 6565 6566 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 6567 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 6568 tmp | CSR_HW_IF_CONFIG_REG_BITS_PREPARE); 6569 6570 for (n = 0; n < 15000; n++) { 6571 if (0 == (IWH_READ(sc, CSR_HW_IF_CONFIG_REG) & 6572 CSR_HW_IF_CONFIG_REG_BITS_NIC_PREPARE_DONE)) { 6573 break; 6574 } 6575 DELAY(10); 6576 } 6577 6578 if (15000 == n) { 6579 return (ETIMEDOUT); 6580 } 6581 6582 tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG); 6583 IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG, 6584 tmp | CSR_HW_IF_CONFIG_REG_BITS_NIC_READY); 6585 6586 /* 6587 * wait for HW ready 6588 */ 6589 for (n = 0; n < 5; n++) { 6590 if (IWH_READ(sc, CSR_HW_IF_CONFIG_REG) & 6591 CSR_HW_IF_CONFIG_REG_BITS_NIC_READY) { 6592 break; 6593 } 6594 DELAY(10); 6595 } 6596 6597 if (n != 5) { 6598 return (IWH_SUCCESS); 6599 } else { 6600 return (ETIMEDOUT); 6601 } 6602 } 6603