1 /* $OpenBSD: if_iwm.c,v 1.42 2015/05/30 02:49:23 deraadt Exp $ */
4 * Copyright (c) 2014 genua mbh <info@genua.de>
5 * Copyright (c) 2014 Fixup Software Ltd.
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 * Based on BSD-licensed source modules in the Linux iwlwifi driver,
22 * which were used as the reference documentation for this implementation.
24 * Driver version we are currently based off of is
25 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
27 ***********************************************************************
29 * This file is provided under a dual BSD/GPLv2 license. When using or
30 * redistributing this file, you may do so under either license.
34 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
36 * This program is free software; you can redistribute it and/or modify
37 * it under the terms of version 2 of the GNU General Public License as
38 * published by the Free Software Foundation.
40 * This program is distributed in the hope that it will be useful, but
41 * WITHOUT ANY WARRANTY; without even the implied warranty of
42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43 * General Public License for more details.
45 * You should have received a copy of the GNU General Public License
46 * along with this program; if not, write to the Free Software
47 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
50 * The full GNU General Public License is included in this distribution
51 * in the file called COPYING.
53 * Contact Information:
54 * Intel Linux Wireless <ilw@linux.intel.com>
55 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
60 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
61 * All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * * Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
69 * * Redistributions in binary form must reproduce the above copyright
70 * notice, this list of conditions and the following disclaimer in
71 * the documentation and/or other materials provided with the
73 * * Neither the name Intel Corporation nor the names of its
74 * contributors may be used to endorse or promote products derived
75 * from this software without specific prior written permission.
77 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
78 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
79 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
80 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
81 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
82 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
83 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
84 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
85 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
86 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
87 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
91 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
93 * Permission to use, copy, modify, and distribute this software for any
94 * purpose with or without fee is hereby granted, provided that the above
95 * copyright notice and this permission notice appear in all copies.
97 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
98 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
99 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
100 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
101 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
102 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
103 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
105 #include <sys/cdefs.h>
106 __FBSDID("$FreeBSD$");
108 #include "opt_wlan.h"
111 #include <sys/param.h>
113 #include <sys/conf.h>
114 #include <sys/endian.h>
115 #include <sys/firmware.h>
116 #include <sys/kernel.h>
117 #include <sys/malloc.h>
118 #include <sys/mbuf.h>
119 #include <sys/mutex.h>
120 #include <sys/module.h>
121 #include <sys/proc.h>
122 #include <sys/rman.h>
123 #include <sys/socket.h>
124 #include <sys/sockio.h>
125 #include <sys/sysctl.h>
126 #include <sys/linker.h>
128 #include <machine/bus.h>
129 #include <machine/endian.h>
130 #include <machine/resource.h>
132 #include <dev/pci/pcivar.h>
133 #include <dev/pci/pcireg.h>
138 #include <net/if_var.h>
139 #include <net/if_arp.h>
140 #include <net/if_dl.h>
141 #include <net/if_media.h>
142 #include <net/if_types.h>
144 #include <netinet/in.h>
145 #include <netinet/in_systm.h>
146 #include <netinet/if_ether.h>
147 #include <netinet/ip.h>
149 #include <net80211/ieee80211_var.h>
150 #include <net80211/ieee80211_regdomain.h>
151 #include <net80211/ieee80211_ratectl.h>
152 #include <net80211/ieee80211_radiotap.h>
154 #include <dev/iwm/if_iwmreg.h>
155 #include <dev/iwm/if_iwmvar.h>
156 #include <dev/iwm/if_iwm_config.h>
157 #include <dev/iwm/if_iwm_debug.h>
158 #include <dev/iwm/if_iwm_notif_wait.h>
159 #include <dev/iwm/if_iwm_util.h>
160 #include <dev/iwm/if_iwm_binding.h>
161 #include <dev/iwm/if_iwm_phy_db.h>
162 #include <dev/iwm/if_iwm_mac_ctxt.h>
163 #include <dev/iwm/if_iwm_phy_ctxt.h>
164 #include <dev/iwm/if_iwm_time_event.h>
165 #include <dev/iwm/if_iwm_power.h>
166 #include <dev/iwm/if_iwm_scan.h>
168 #include <dev/iwm/if_iwm_pcie_trans.h>
169 #include <dev/iwm/if_iwm_led.h>
170 #include <dev/iwm/if_iwm_fw.h>
172 const uint8_t iwm_nvm_channels[] = {
174 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
176 36, 40, 44, 48, 52, 56, 60, 64,
177 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
178 149, 153, 157, 161, 165
180 _Static_assert(nitems(iwm_nvm_channels) <= IWM_NUM_CHANNELS,
181 "IWM_NUM_CHANNELS is too small");
183 const uint8_t iwm_nvm_channels_8000[] = {
185 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
187 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
188 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
189 149, 153, 157, 161, 165, 169, 173, 177, 181
191 _Static_assert(nitems(iwm_nvm_channels_8000) <= IWM_NUM_CHANNELS_8000,
192 "IWM_NUM_CHANNELS_8000 is too small");
194 #define IWM_NUM_2GHZ_CHANNELS 14
195 #define IWM_N_HW_ADDR_MASK 0xF
198 * XXX For now, there's simply a fixed set of rate table entries
199 * that are populated.
201 const struct iwm_rate {
205 { 2, IWM_RATE_1M_PLCP },
206 { 4, IWM_RATE_2M_PLCP },
207 { 11, IWM_RATE_5M_PLCP },
208 { 22, IWM_RATE_11M_PLCP },
209 { 12, IWM_RATE_6M_PLCP },
210 { 18, IWM_RATE_9M_PLCP },
211 { 24, IWM_RATE_12M_PLCP },
212 { 36, IWM_RATE_18M_PLCP },
213 { 48, IWM_RATE_24M_PLCP },
214 { 72, IWM_RATE_36M_PLCP },
215 { 96, IWM_RATE_48M_PLCP },
216 { 108, IWM_RATE_54M_PLCP },
218 #define IWM_RIDX_CCK 0
219 #define IWM_RIDX_OFDM 4
220 #define IWM_RIDX_MAX (nitems(iwm_rates)-1)
221 #define IWM_RIDX_IS_CCK(_i_) ((_i_) < IWM_RIDX_OFDM)
222 #define IWM_RIDX_IS_OFDM(_i_) ((_i_) >= IWM_RIDX_OFDM)
224 struct iwm_nvm_section {
229 #define IWM_MVM_UCODE_ALIVE_TIMEOUT hz
230 #define IWM_MVM_UCODE_CALIB_TIMEOUT (2*hz)
232 struct iwm_mvm_alive_data {
234 uint32_t scd_base_addr;
237 static int iwm_store_cscheme(struct iwm_softc *, const uint8_t *, size_t);
238 static int iwm_firmware_store_section(struct iwm_softc *,
240 const uint8_t *, size_t);
241 static int iwm_set_default_calib(struct iwm_softc *, const void *);
242 static void iwm_fw_info_free(struct iwm_fw_info *);
243 static int iwm_read_firmware(struct iwm_softc *, enum iwm_ucode_type);
244 static int iwm_alloc_fwmem(struct iwm_softc *);
245 static int iwm_alloc_sched(struct iwm_softc *);
246 static int iwm_alloc_kw(struct iwm_softc *);
247 static int iwm_alloc_ict(struct iwm_softc *);
248 static int iwm_alloc_rx_ring(struct iwm_softc *, struct iwm_rx_ring *);
249 static void iwm_reset_rx_ring(struct iwm_softc *, struct iwm_rx_ring *);
250 static void iwm_free_rx_ring(struct iwm_softc *, struct iwm_rx_ring *);
251 static int iwm_alloc_tx_ring(struct iwm_softc *, struct iwm_tx_ring *,
253 static void iwm_reset_tx_ring(struct iwm_softc *, struct iwm_tx_ring *);
254 static void iwm_free_tx_ring(struct iwm_softc *, struct iwm_tx_ring *);
255 static void iwm_enable_interrupts(struct iwm_softc *);
256 static void iwm_restore_interrupts(struct iwm_softc *);
257 static void iwm_disable_interrupts(struct iwm_softc *);
258 static void iwm_ict_reset(struct iwm_softc *);
259 static int iwm_allow_mcast(struct ieee80211vap *, struct iwm_softc *);
260 static void iwm_stop_device(struct iwm_softc *);
261 static void iwm_mvm_nic_config(struct iwm_softc *);
262 static int iwm_nic_rx_init(struct iwm_softc *);
263 static int iwm_nic_tx_init(struct iwm_softc *);
264 static int iwm_nic_init(struct iwm_softc *);
265 static int iwm_enable_txq(struct iwm_softc *, int, int, int);
266 static int iwm_trans_pcie_fw_alive(struct iwm_softc *, uint32_t);
267 static int iwm_nvm_read_chunk(struct iwm_softc *, uint16_t, uint16_t,
268 uint16_t, uint8_t *, uint16_t *);
269 static int iwm_nvm_read_section(struct iwm_softc *, uint16_t, uint8_t *,
270 uint16_t *, uint32_t);
271 static uint32_t iwm_eeprom_channel_flags(uint16_t);
272 static void iwm_add_channel_band(struct iwm_softc *,
273 struct ieee80211_channel[], int, int *, int, size_t,
275 static void iwm_init_channel_map(struct ieee80211com *, int, int *,
276 struct ieee80211_channel[]);
277 static struct iwm_nvm_data *
278 iwm_parse_nvm_data(struct iwm_softc *, const uint16_t *,
279 const uint16_t *, const uint16_t *,
280 const uint16_t *, const uint16_t *,
282 static void iwm_free_nvm_data(struct iwm_nvm_data *);
283 static void iwm_set_hw_address_family_8000(struct iwm_softc *,
284 struct iwm_nvm_data *,
287 static int iwm_get_sku(const struct iwm_softc *, const uint16_t *,
289 static int iwm_get_nvm_version(const struct iwm_softc *, const uint16_t *);
290 static int iwm_get_radio_cfg(const struct iwm_softc *, const uint16_t *,
292 static int iwm_get_n_hw_addrs(const struct iwm_softc *,
294 static void iwm_set_radio_cfg(const struct iwm_softc *,
295 struct iwm_nvm_data *, uint32_t);
296 static struct iwm_nvm_data *
297 iwm_parse_nvm_sections(struct iwm_softc *, struct iwm_nvm_section *);
298 static int iwm_nvm_init(struct iwm_softc *);
299 static int iwm_pcie_load_section(struct iwm_softc *, uint8_t,
300 const struct iwm_fw_desc *);
301 static int iwm_pcie_load_firmware_chunk(struct iwm_softc *, uint32_t,
302 bus_addr_t, uint32_t);
303 static int iwm_pcie_load_cpu_sections_8000(struct iwm_softc *sc,
304 const struct iwm_fw_sects *,
306 static int iwm_pcie_load_cpu_sections(struct iwm_softc *,
307 const struct iwm_fw_sects *,
309 static int iwm_pcie_load_given_ucode_8000(struct iwm_softc *,
310 const struct iwm_fw_sects *);
311 static int iwm_pcie_load_given_ucode(struct iwm_softc *,
312 const struct iwm_fw_sects *);
313 static int iwm_start_fw(struct iwm_softc *, const struct iwm_fw_sects *);
314 static int iwm_send_tx_ant_cfg(struct iwm_softc *, uint8_t);
315 static int iwm_send_phy_cfg_cmd(struct iwm_softc *);
316 static int iwm_mvm_load_ucode_wait_alive(struct iwm_softc *,
317 enum iwm_ucode_type);
318 static int iwm_run_init_mvm_ucode(struct iwm_softc *, int);
319 static int iwm_rx_addbuf(struct iwm_softc *, int, int);
320 static int iwm_mvm_get_signal_strength(struct iwm_softc *,
321 struct iwm_rx_phy_info *);
322 static void iwm_mvm_rx_rx_phy_cmd(struct iwm_softc *,
323 struct iwm_rx_packet *,
324 struct iwm_rx_data *);
325 static int iwm_get_noise(struct iwm_softc *sc,
326 const struct iwm_mvm_statistics_rx_non_phy *);
327 static void iwm_mvm_rx_rx_mpdu(struct iwm_softc *, struct mbuf *);
328 static int iwm_mvm_rx_tx_cmd_single(struct iwm_softc *,
329 struct iwm_rx_packet *,
331 static void iwm_mvm_rx_tx_cmd(struct iwm_softc *, struct iwm_rx_packet *,
332 struct iwm_rx_data *);
333 static void iwm_cmd_done(struct iwm_softc *, struct iwm_rx_packet *);
335 static void iwm_update_sched(struct iwm_softc *, int, int, uint8_t,
338 static const struct iwm_rate *
339 iwm_tx_fill_cmd(struct iwm_softc *, struct iwm_node *,
340 struct mbuf *, struct iwm_tx_cmd *);
341 static int iwm_tx(struct iwm_softc *, struct mbuf *,
342 struct ieee80211_node *, int);
343 static int iwm_raw_xmit(struct ieee80211_node *, struct mbuf *,
344 const struct ieee80211_bpf_params *);
345 static int iwm_mvm_flush_tx_path(struct iwm_softc *sc,
346 uint32_t tfd_msk, uint32_t flags);
347 static int iwm_mvm_send_add_sta_cmd_status(struct iwm_softc *,
348 struct iwm_mvm_add_sta_cmd *,
350 static int iwm_mvm_sta_send_to_fw(struct iwm_softc *, struct iwm_node *,
352 static int iwm_mvm_add_sta(struct iwm_softc *, struct iwm_node *);
353 static int iwm_mvm_update_sta(struct iwm_softc *, struct iwm_node *);
354 static int iwm_mvm_add_int_sta_common(struct iwm_softc *,
355 struct iwm_int_sta *,
356 const uint8_t *, uint16_t, uint16_t);
357 static int iwm_mvm_add_aux_sta(struct iwm_softc *);
358 static int iwm_mvm_update_quotas(struct iwm_softc *, struct iwm_node *);
359 static int iwm_auth(struct ieee80211vap *, struct iwm_softc *);
360 static int iwm_assoc(struct ieee80211vap *, struct iwm_softc *);
361 static int iwm_release(struct iwm_softc *, struct iwm_node *);
362 static struct ieee80211_node *
363 iwm_node_alloc(struct ieee80211vap *,
364 const uint8_t[IEEE80211_ADDR_LEN]);
365 static void iwm_setrates(struct iwm_softc *, struct iwm_node *);
366 static int iwm_media_change(struct ifnet *);
367 static int iwm_newstate(struct ieee80211vap *, enum ieee80211_state, int);
368 static void iwm_endscan_cb(void *, int);
369 static void iwm_mvm_fill_sf_command(struct iwm_softc *,
370 struct iwm_sf_cfg_cmd *,
371 struct ieee80211_node *);
372 static int iwm_mvm_sf_config(struct iwm_softc *, enum iwm_sf_state);
373 static int iwm_send_bt_init_conf(struct iwm_softc *);
374 static int iwm_send_update_mcc_cmd(struct iwm_softc *, const char *);
375 static void iwm_mvm_tt_tx_backoff(struct iwm_softc *, uint32_t);
376 static int iwm_init_hw(struct iwm_softc *);
377 static void iwm_init(struct iwm_softc *);
378 static void iwm_start(struct iwm_softc *);
379 static void iwm_stop(struct iwm_softc *);
380 static void iwm_watchdog(void *);
381 static void iwm_parent(struct ieee80211com *);
384 iwm_desc_lookup(uint32_t);
385 static void iwm_nic_error(struct iwm_softc *);
386 static void iwm_nic_umac_error(struct iwm_softc *);
388 static void iwm_notif_intr(struct iwm_softc *);
389 static void iwm_intr(void *);
390 static int iwm_attach(device_t);
391 static int iwm_is_valid_ether_addr(uint8_t *);
392 static void iwm_preinit(void *);
393 static int iwm_detach_local(struct iwm_softc *sc, int);
394 static void iwm_init_task(void *);
395 static void iwm_radiotap_attach(struct iwm_softc *);
396 static struct ieee80211vap *
397 iwm_vap_create(struct ieee80211com *,
398 const char [IFNAMSIZ], int,
399 enum ieee80211_opmode, int,
400 const uint8_t [IEEE80211_ADDR_LEN],
401 const uint8_t [IEEE80211_ADDR_LEN]);
402 static void iwm_vap_delete(struct ieee80211vap *);
403 static void iwm_scan_start(struct ieee80211com *);
404 static void iwm_scan_end(struct ieee80211com *);
405 static void iwm_update_mcast(struct ieee80211com *);
406 static void iwm_set_channel(struct ieee80211com *);
407 static void iwm_scan_curchan(struct ieee80211_scan_state *, unsigned long);
408 static void iwm_scan_mindwell(struct ieee80211_scan_state *);
409 static int iwm_detach(device_t);
416 iwm_store_cscheme(struct iwm_softc *sc, const uint8_t *data, size_t dlen)
418 const struct iwm_fw_cscheme_list *l = (const void *)data;
420 if (dlen < sizeof(*l) ||
421 dlen < sizeof(l->size) + l->size * sizeof(*l->cs))
424 /* we don't actually store anything for now, always use s/w crypto */
430 iwm_firmware_store_section(struct iwm_softc *sc,
431 enum iwm_ucode_type type, const uint8_t *data, size_t dlen)
433 struct iwm_fw_sects *fws;
434 struct iwm_fw_desc *fwone;
436 if (type >= IWM_UCODE_TYPE_MAX)
438 if (dlen < sizeof(uint32_t))
441 fws = &sc->sc_fw.fw_sects[type];
442 if (fws->fw_count >= IWM_UCODE_SECTION_MAX)
445 fwone = &fws->fw_sect[fws->fw_count];
447 /* first 32bit are device load offset */
448 memcpy(&fwone->offset, data, sizeof(uint32_t));
451 fwone->data = data + sizeof(uint32_t);
452 fwone->len = dlen - sizeof(uint32_t);
459 #define IWM_DEFAULT_SCAN_CHANNELS 40
461 /* iwlwifi: iwl-drv.c */
462 struct iwm_tlv_calib_data {
464 struct iwm_tlv_calib_ctrl calib;
468 iwm_set_default_calib(struct iwm_softc *sc, const void *data)
470 const struct iwm_tlv_calib_data *def_calib = data;
471 uint32_t ucode_type = le32toh(def_calib->ucode_type);
473 if (ucode_type >= IWM_UCODE_TYPE_MAX) {
474 device_printf(sc->sc_dev,
475 "Wrong ucode_type %u for default "
476 "calibration.\n", ucode_type);
480 sc->sc_default_calib[ucode_type].flow_trigger =
481 def_calib->calib.flow_trigger;
482 sc->sc_default_calib[ucode_type].event_trigger =
483 def_calib->calib.event_trigger;
489 iwm_set_ucode_api_flags(struct iwm_softc *sc, const uint8_t *data,
490 struct iwm_ucode_capabilities *capa)
492 const struct iwm_ucode_api *ucode_api = (const void *)data;
493 uint32_t api_index = le32toh(ucode_api->api_index);
494 uint32_t api_flags = le32toh(ucode_api->api_flags);
497 if (api_index >= howmany(IWM_NUM_UCODE_TLV_API, 32)) {
498 device_printf(sc->sc_dev,
499 "api flags index %d larger than supported by driver\n",
501 /* don't return an error so we can load FW that has more bits */
505 for (i = 0; i < 32; i++) {
506 if (api_flags & (1U << i))
507 setbit(capa->enabled_api, i + 32 * api_index);
514 iwm_set_ucode_capabilities(struct iwm_softc *sc, const uint8_t *data,
515 struct iwm_ucode_capabilities *capa)
517 const struct iwm_ucode_capa *ucode_capa = (const void *)data;
518 uint32_t api_index = le32toh(ucode_capa->api_index);
519 uint32_t api_flags = le32toh(ucode_capa->api_capa);
522 if (api_index >= howmany(IWM_NUM_UCODE_TLV_CAPA, 32)) {
523 device_printf(sc->sc_dev,
524 "capa flags index %d larger than supported by driver\n",
526 /* don't return an error so we can load FW that has more bits */
530 for (i = 0; i < 32; i++) {
531 if (api_flags & (1U << i))
532 setbit(capa->enabled_capa, i + 32 * api_index);
539 iwm_fw_info_free(struct iwm_fw_info *fw)
541 firmware_put(fw->fw_fp, FIRMWARE_UNLOAD);
543 /* don't touch fw->fw_status */
544 memset(fw->fw_sects, 0, sizeof(fw->fw_sects));
548 iwm_read_firmware(struct iwm_softc *sc, enum iwm_ucode_type ucode_type)
550 struct iwm_fw_info *fw = &sc->sc_fw;
551 const struct iwm_tlv_ucode_header *uhdr;
552 struct iwm_ucode_tlv tlv;
553 struct iwm_ucode_capabilities *capa = &sc->ucode_capa;
554 enum iwm_ucode_tlv_type tlv_type;
555 const struct firmware *fwp;
557 uint32_t usniffer_img;
558 uint32_t paging_mem_size;
563 if (fw->fw_status == IWM_FW_STATUS_DONE &&
564 ucode_type != IWM_UCODE_INIT)
567 while (fw->fw_status == IWM_FW_STATUS_INPROGRESS)
568 msleep(&sc->sc_fw, &sc->sc_mtx, 0, "iwmfwp", 0);
569 fw->fw_status = IWM_FW_STATUS_INPROGRESS;
571 if (fw->fw_fp != NULL)
572 iwm_fw_info_free(fw);
575 * Load firmware into driver memory.
579 fwp = firmware_get(sc->cfg->fw_name);
582 device_printf(sc->sc_dev,
583 "could not read firmware %s (error %d)\n",
584 sc->cfg->fw_name, error);
589 /* (Re-)Initialize default values. */
591 capa->max_probe_length = IWM_DEFAULT_MAX_PROBE_LENGTH;
592 capa->n_scan_channels = IWM_DEFAULT_SCAN_CHANNELS;
593 memset(capa->enabled_capa, 0, sizeof(capa->enabled_capa));
594 memset(capa->enabled_api, 0, sizeof(capa->enabled_api));
595 memset(sc->sc_fw_mcc, 0, sizeof(sc->sc_fw_mcc));
598 * Parse firmware contents
601 uhdr = (const void *)fw->fw_fp->data;
602 if (*(const uint32_t *)fw->fw_fp->data != 0
603 || le32toh(uhdr->magic) != IWM_TLV_UCODE_MAGIC) {
604 device_printf(sc->sc_dev, "invalid firmware %s\n",
610 snprintf(sc->sc_fwver, sizeof(sc->sc_fwver), "%d.%d (API ver %d)",
611 IWM_UCODE_MAJOR(le32toh(uhdr->ver)),
612 IWM_UCODE_MINOR(le32toh(uhdr->ver)),
613 IWM_UCODE_API(le32toh(uhdr->ver)));
615 len = fw->fw_fp->datasize - sizeof(*uhdr);
617 while (len >= sizeof(tlv)) {
619 const void *tlv_data;
621 memcpy(&tlv, data, sizeof(tlv));
622 tlv_len = le32toh(tlv.length);
623 tlv_type = le32toh(tlv.type);
630 device_printf(sc->sc_dev,
631 "firmware too short: %zu bytes\n",
637 switch ((int)tlv_type) {
638 case IWM_UCODE_TLV_PROBE_MAX_LEN:
639 if (tlv_len < sizeof(uint32_t)) {
640 device_printf(sc->sc_dev,
641 "%s: PROBE_MAX_LEN (%d) < sizeof(uint32_t)\n",
647 capa->max_probe_length =
648 le32toh(*(const uint32_t *)tlv_data);
649 /* limit it to something sensible */
650 if (capa->max_probe_length >
651 IWM_SCAN_OFFLOAD_PROBE_REQ_SIZE) {
652 IWM_DPRINTF(sc, IWM_DEBUG_FIRMWARE_TLV,
653 "%s: IWM_UCODE_TLV_PROBE_MAX_LEN "
654 "ridiculous\n", __func__);
659 case IWM_UCODE_TLV_PAN:
661 device_printf(sc->sc_dev,
662 "%s: IWM_UCODE_TLV_PAN: tlv_len (%d) > 0\n",
668 capa->flags |= IWM_UCODE_TLV_FLAGS_PAN;
670 case IWM_UCODE_TLV_FLAGS:
671 if (tlv_len < sizeof(uint32_t)) {
672 device_printf(sc->sc_dev,
673 "%s: IWM_UCODE_TLV_FLAGS: tlv_len (%d) < sizeof(uint32_t)\n",
680 * Apparently there can be many flags, but Linux driver
681 * parses only the first one, and so do we.
683 * XXX: why does this override IWM_UCODE_TLV_PAN?
684 * Intentional or a bug? Observations from
685 * current firmware file:
686 * 1) TLV_PAN is parsed first
687 * 2) TLV_FLAGS contains TLV_FLAGS_PAN
688 * ==> this resets TLV_PAN to itself... hnnnk
690 capa->flags = le32toh(*(const uint32_t *)tlv_data);
692 case IWM_UCODE_TLV_CSCHEME:
693 if ((error = iwm_store_cscheme(sc,
694 tlv_data, tlv_len)) != 0) {
695 device_printf(sc->sc_dev,
696 "%s: iwm_store_cscheme(): returned %d\n",
702 case IWM_UCODE_TLV_NUM_OF_CPU:
703 if (tlv_len != sizeof(uint32_t)) {
704 device_printf(sc->sc_dev,
705 "%s: IWM_UCODE_TLV_NUM_OF_CPU: tlv_len (%d) != sizeof(uint32_t)\n",
711 num_of_cpus = le32toh(*(const uint32_t *)tlv_data);
712 if (num_of_cpus == 2) {
713 fw->fw_sects[IWM_UCODE_REGULAR].is_dual_cpus =
715 fw->fw_sects[IWM_UCODE_INIT].is_dual_cpus =
717 fw->fw_sects[IWM_UCODE_WOWLAN].is_dual_cpus =
719 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
720 device_printf(sc->sc_dev,
721 "%s: Driver supports only 1 or 2 CPUs\n",
727 case IWM_UCODE_TLV_SEC_RT:
728 if ((error = iwm_firmware_store_section(sc,
729 IWM_UCODE_REGULAR, tlv_data, tlv_len)) != 0) {
730 device_printf(sc->sc_dev,
731 "%s: IWM_UCODE_REGULAR: iwm_firmware_store_section() failed; %d\n",
737 case IWM_UCODE_TLV_SEC_INIT:
738 if ((error = iwm_firmware_store_section(sc,
739 IWM_UCODE_INIT, tlv_data, tlv_len)) != 0) {
740 device_printf(sc->sc_dev,
741 "%s: IWM_UCODE_INIT: iwm_firmware_store_section() failed; %d\n",
747 case IWM_UCODE_TLV_SEC_WOWLAN:
748 if ((error = iwm_firmware_store_section(sc,
749 IWM_UCODE_WOWLAN, tlv_data, tlv_len)) != 0) {
750 device_printf(sc->sc_dev,
751 "%s: IWM_UCODE_WOWLAN: iwm_firmware_store_section() failed; %d\n",
757 case IWM_UCODE_TLV_DEF_CALIB:
758 if (tlv_len != sizeof(struct iwm_tlv_calib_data)) {
759 device_printf(sc->sc_dev,
760 "%s: IWM_UCODE_TLV_DEV_CALIB: tlv_len (%d) < sizeof(iwm_tlv_calib_data) (%d)\n",
763 (int) sizeof(struct iwm_tlv_calib_data));
767 if ((error = iwm_set_default_calib(sc, tlv_data)) != 0) {
768 device_printf(sc->sc_dev,
769 "%s: iwm_set_default_calib() failed: %d\n",
775 case IWM_UCODE_TLV_PHY_SKU:
776 if (tlv_len != sizeof(uint32_t)) {
778 device_printf(sc->sc_dev,
779 "%s: IWM_UCODE_TLV_PHY_SKU: tlv_len (%d) < sizeof(uint32_t)\n",
784 sc->sc_fw.phy_config =
785 le32toh(*(const uint32_t *)tlv_data);
786 sc->sc_fw.valid_tx_ant = (sc->sc_fw.phy_config &
787 IWM_FW_PHY_CFG_TX_CHAIN) >>
788 IWM_FW_PHY_CFG_TX_CHAIN_POS;
789 sc->sc_fw.valid_rx_ant = (sc->sc_fw.phy_config &
790 IWM_FW_PHY_CFG_RX_CHAIN) >>
791 IWM_FW_PHY_CFG_RX_CHAIN_POS;
794 case IWM_UCODE_TLV_API_CHANGES_SET: {
795 if (tlv_len != sizeof(struct iwm_ucode_api)) {
799 if (iwm_set_ucode_api_flags(sc, tlv_data, capa)) {
806 case IWM_UCODE_TLV_ENABLED_CAPABILITIES: {
807 if (tlv_len != sizeof(struct iwm_ucode_capa)) {
811 if (iwm_set_ucode_capabilities(sc, tlv_data, capa)) {
818 case 48: /* undocumented TLV */
819 case IWM_UCODE_TLV_SDIO_ADMA_ADDR:
820 case IWM_UCODE_TLV_FW_GSCAN_CAPA:
821 /* ignore, not used by current driver */
824 case IWM_UCODE_TLV_SEC_RT_USNIFFER:
825 if ((error = iwm_firmware_store_section(sc,
826 IWM_UCODE_REGULAR_USNIFFER, tlv_data,
831 case IWM_UCODE_TLV_PAGING:
832 if (tlv_len != sizeof(uint32_t)) {
836 paging_mem_size = le32toh(*(const uint32_t *)tlv_data);
838 IWM_DPRINTF(sc, IWM_DEBUG_FIRMWARE_TLV,
839 "%s: Paging: paging enabled (size = %u bytes)\n",
840 __func__, paging_mem_size);
841 if (paging_mem_size > IWM_MAX_PAGING_IMAGE_SIZE) {
842 device_printf(sc->sc_dev,
843 "%s: Paging: driver supports up to %u bytes for paging image\n",
844 __func__, IWM_MAX_PAGING_IMAGE_SIZE);
848 if (paging_mem_size & (IWM_FW_PAGING_SIZE - 1)) {
849 device_printf(sc->sc_dev,
850 "%s: Paging: image isn't multiple %u\n",
851 __func__, IWM_FW_PAGING_SIZE);
856 sc->sc_fw.fw_sects[IWM_UCODE_REGULAR].paging_mem_size =
858 usniffer_img = IWM_UCODE_REGULAR_USNIFFER;
859 sc->sc_fw.fw_sects[usniffer_img].paging_mem_size =
863 case IWM_UCODE_TLV_N_SCAN_CHANNELS:
864 if (tlv_len != sizeof(uint32_t)) {
868 capa->n_scan_channels =
869 le32toh(*(const uint32_t *)tlv_data);
872 case IWM_UCODE_TLV_FW_VERSION:
873 if (tlv_len != sizeof(uint32_t) * 3) {
877 snprintf(sc->sc_fwver, sizeof(sc->sc_fwver),
879 le32toh(((const uint32_t *)tlv_data)[0]),
880 le32toh(((const uint32_t *)tlv_data)[1]),
881 le32toh(((const uint32_t *)tlv_data)[2]));
884 case IWM_UCODE_TLV_FW_MEM_SEG:
888 device_printf(sc->sc_dev,
889 "%s: unknown firmware section %d, abort\n",
895 len -= roundup(tlv_len, 4);
896 data += roundup(tlv_len, 4);
899 KASSERT(error == 0, ("unhandled error"));
903 device_printf(sc->sc_dev, "firmware parse error %d, "
904 "section type %d\n", error, tlv_type);
909 fw->fw_status = IWM_FW_STATUS_NONE;
910 if (fw->fw_fp != NULL)
911 iwm_fw_info_free(fw);
913 fw->fw_status = IWM_FW_STATUS_DONE;
920 * DMA resource routines
923 /* fwmem is used to load firmware onto the card */
925 iwm_alloc_fwmem(struct iwm_softc *sc)
927 /* Must be aligned on a 16-byte boundary. */
928 return iwm_dma_contig_alloc(sc->sc_dmat, &sc->fw_dma,
929 IWM_FH_MEM_TB_MAX_LENGTH, 16);
932 /* tx scheduler rings. not used? */
934 iwm_alloc_sched(struct iwm_softc *sc)
936 /* TX scheduler rings must be aligned on a 1KB boundary. */
937 return iwm_dma_contig_alloc(sc->sc_dmat, &sc->sched_dma,
938 nitems(sc->txq) * sizeof(struct iwm_agn_scd_bc_tbl), 1024);
941 /* keep-warm page is used internally by the card. see iwl-fh.h for more info */
943 iwm_alloc_kw(struct iwm_softc *sc)
945 return iwm_dma_contig_alloc(sc->sc_dmat, &sc->kw_dma, 4096, 4096);
948 /* interrupt cause table */
950 iwm_alloc_ict(struct iwm_softc *sc)
952 return iwm_dma_contig_alloc(sc->sc_dmat, &sc->ict_dma,
953 IWM_ICT_SIZE, 1<<IWM_ICT_PADDR_SHIFT);
957 iwm_alloc_rx_ring(struct iwm_softc *sc, struct iwm_rx_ring *ring)
964 /* Allocate RX descriptors (256-byte aligned). */
965 size = IWM_RX_RING_COUNT * sizeof(uint32_t);
966 error = iwm_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma, size, 256);
968 device_printf(sc->sc_dev,
969 "could not allocate RX ring DMA memory\n");
972 ring->desc = ring->desc_dma.vaddr;
974 /* Allocate RX status area (16-byte aligned). */
975 error = iwm_dma_contig_alloc(sc->sc_dmat, &ring->stat_dma,
976 sizeof(*ring->stat), 16);
978 device_printf(sc->sc_dev,
979 "could not allocate RX status DMA memory\n");
982 ring->stat = ring->stat_dma.vaddr;
984 /* Create RX buffer DMA tag. */
985 error = bus_dma_tag_create(sc->sc_dmat, 1, 0,
986 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
987 IWM_RBUF_SIZE, 1, IWM_RBUF_SIZE, 0, NULL, NULL, &ring->data_dmat);
989 device_printf(sc->sc_dev,
990 "%s: could not create RX buf DMA tag, error %d\n",
995 /* Allocate spare bus_dmamap_t for iwm_rx_addbuf() */
996 error = bus_dmamap_create(ring->data_dmat, 0, &ring->spare_map);
998 device_printf(sc->sc_dev,
999 "%s: could not create RX buf DMA map, error %d\n",
1004 * Allocate and map RX buffers.
1006 for (i = 0; i < IWM_RX_RING_COUNT; i++) {
1007 struct iwm_rx_data *data = &ring->data[i];
1008 error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
1010 device_printf(sc->sc_dev,
1011 "%s: could not create RX buf DMA map, error %d\n",
1017 if ((error = iwm_rx_addbuf(sc, IWM_RBUF_SIZE, i)) != 0) {
1023 fail: iwm_free_rx_ring(sc, ring);
1028 iwm_reset_rx_ring(struct iwm_softc *sc, struct iwm_rx_ring *ring)
1030 /* Reset the ring state */
1034 * The hw rx ring index in shared memory must also be cleared,
1035 * otherwise the discrepancy can cause reprocessing chaos.
1037 memset(sc->rxq.stat, 0, sizeof(*sc->rxq.stat));
1041 iwm_free_rx_ring(struct iwm_softc *sc, struct iwm_rx_ring *ring)
1045 iwm_dma_contig_free(&ring->desc_dma);
1046 iwm_dma_contig_free(&ring->stat_dma);
1048 for (i = 0; i < IWM_RX_RING_COUNT; i++) {
1049 struct iwm_rx_data *data = &ring->data[i];
1051 if (data->m != NULL) {
1052 bus_dmamap_sync(ring->data_dmat, data->map,
1053 BUS_DMASYNC_POSTREAD);
1054 bus_dmamap_unload(ring->data_dmat, data->map);
1058 if (data->map != NULL) {
1059 bus_dmamap_destroy(ring->data_dmat, data->map);
1063 if (ring->spare_map != NULL) {
1064 bus_dmamap_destroy(ring->data_dmat, ring->spare_map);
1065 ring->spare_map = NULL;
1067 if (ring->data_dmat != NULL) {
1068 bus_dma_tag_destroy(ring->data_dmat);
1069 ring->data_dmat = NULL;
1074 iwm_alloc_tx_ring(struct iwm_softc *sc, struct iwm_tx_ring *ring, int qid)
1086 /* Allocate TX descriptors (256-byte aligned). */
1087 size = IWM_TX_RING_COUNT * sizeof (struct iwm_tfd);
1088 error = iwm_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma, size, 256);
1090 device_printf(sc->sc_dev,
1091 "could not allocate TX ring DMA memory\n");
1094 ring->desc = ring->desc_dma.vaddr;
1097 * We only use rings 0 through 9 (4 EDCA + cmd) so there is no need
1098 * to allocate commands space for other rings.
1100 if (qid > IWM_MVM_CMD_QUEUE)
1103 size = IWM_TX_RING_COUNT * sizeof(struct iwm_device_cmd);
1104 error = iwm_dma_contig_alloc(sc->sc_dmat, &ring->cmd_dma, size, 4);
1106 device_printf(sc->sc_dev,
1107 "could not allocate TX cmd DMA memory\n");
1110 ring->cmd = ring->cmd_dma.vaddr;
1112 /* FW commands may require more mapped space than packets. */
1113 if (qid == IWM_MVM_CMD_QUEUE) {
1114 maxsize = IWM_RBUF_SIZE;
1118 nsegments = IWM_MAX_SCATTER - 2;
1121 error = bus_dma_tag_create(sc->sc_dmat, 1, 0,
1122 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, maxsize,
1123 nsegments, maxsize, 0, NULL, NULL, &ring->data_dmat);
1125 device_printf(sc->sc_dev, "could not create TX buf DMA tag\n");
1129 paddr = ring->cmd_dma.paddr;
1130 for (i = 0; i < IWM_TX_RING_COUNT; i++) {
1131 struct iwm_tx_data *data = &ring->data[i];
1133 data->cmd_paddr = paddr;
1134 data->scratch_paddr = paddr + sizeof(struct iwm_cmd_header)
1135 + offsetof(struct iwm_tx_cmd, scratch);
1136 paddr += sizeof(struct iwm_device_cmd);
1138 error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
1140 device_printf(sc->sc_dev,
1141 "could not create TX buf DMA map\n");
1145 KASSERT(paddr == ring->cmd_dma.paddr + size,
1146 ("invalid physical address"));
1149 fail: iwm_free_tx_ring(sc, ring);
1154 iwm_reset_tx_ring(struct iwm_softc *sc, struct iwm_tx_ring *ring)
1158 for (i = 0; i < IWM_TX_RING_COUNT; i++) {
1159 struct iwm_tx_data *data = &ring->data[i];
1161 if (data->m != NULL) {
1162 bus_dmamap_sync(ring->data_dmat, data->map,
1163 BUS_DMASYNC_POSTWRITE);
1164 bus_dmamap_unload(ring->data_dmat, data->map);
1169 /* Clear TX descriptors. */
1170 memset(ring->desc, 0, ring->desc_dma.size);
1171 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
1172 BUS_DMASYNC_PREWRITE);
1173 sc->qfullmsk &= ~(1 << ring->qid);
1177 if (ring->qid == IWM_MVM_CMD_QUEUE && sc->cmd_hold_nic_awake)
1178 iwm_pcie_clear_cmd_in_flight(sc);
1182 iwm_free_tx_ring(struct iwm_softc *sc, struct iwm_tx_ring *ring)
1186 iwm_dma_contig_free(&ring->desc_dma);
1187 iwm_dma_contig_free(&ring->cmd_dma);
1189 for (i = 0; i < IWM_TX_RING_COUNT; i++) {
1190 struct iwm_tx_data *data = &ring->data[i];
1192 if (data->m != NULL) {
1193 bus_dmamap_sync(ring->data_dmat, data->map,
1194 BUS_DMASYNC_POSTWRITE);
1195 bus_dmamap_unload(ring->data_dmat, data->map);
1199 if (data->map != NULL) {
1200 bus_dmamap_destroy(ring->data_dmat, data->map);
1204 if (ring->data_dmat != NULL) {
1205 bus_dma_tag_destroy(ring->data_dmat);
1206 ring->data_dmat = NULL;
1211 * High-level hardware frobbing routines
1215 iwm_enable_interrupts(struct iwm_softc *sc)
1217 sc->sc_intmask = IWM_CSR_INI_SET_MASK;
1218 IWM_WRITE(sc, IWM_CSR_INT_MASK, sc->sc_intmask);
1222 iwm_restore_interrupts(struct iwm_softc *sc)
1224 IWM_WRITE(sc, IWM_CSR_INT_MASK, sc->sc_intmask);
1228 iwm_disable_interrupts(struct iwm_softc *sc)
1230 /* disable interrupts */
1231 IWM_WRITE(sc, IWM_CSR_INT_MASK, 0);
1233 /* acknowledge all interrupts */
1234 IWM_WRITE(sc, IWM_CSR_INT, ~0);
1235 IWM_WRITE(sc, IWM_CSR_FH_INT_STATUS, ~0);
1239 iwm_ict_reset(struct iwm_softc *sc)
1241 iwm_disable_interrupts(sc);
1243 /* Reset ICT table. */
1244 memset(sc->ict_dma.vaddr, 0, IWM_ICT_SIZE);
1247 /* Set physical address of ICT table (4KB aligned). */
1248 IWM_WRITE(sc, IWM_CSR_DRAM_INT_TBL_REG,
1249 IWM_CSR_DRAM_INT_TBL_ENABLE
1250 | IWM_CSR_DRAM_INIT_TBL_WRITE_POINTER
1251 | IWM_CSR_DRAM_INIT_TBL_WRAP_CHECK
1252 | sc->ict_dma.paddr >> IWM_ICT_PADDR_SHIFT);
1254 /* Switch to ICT interrupt mode in driver. */
1255 sc->sc_flags |= IWM_FLAG_USE_ICT;
1257 /* Re-enable interrupts. */
1258 IWM_WRITE(sc, IWM_CSR_INT, ~0);
1259 iwm_enable_interrupts(sc);
1262 /* iwlwifi pcie/trans.c */
1265 * Since this .. hard-resets things, it's time to actually
1266 * mark the first vap (if any) as having no mac context.
1267 * It's annoying, but since the driver is potentially being
1268 * stop/start'ed whilst active (thanks openbsd port!) we
1269 * have to correctly track this.
1272 iwm_stop_device(struct iwm_softc *sc)
1274 struct ieee80211com *ic = &sc->sc_ic;
1275 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1279 /* tell the device to stop sending interrupts */
1280 iwm_disable_interrupts(sc);
1283 * FreeBSD-local: mark the first vap as not-uploaded,
1284 * so the next transition through auth/assoc
1285 * will correctly populate the MAC context.
1288 struct iwm_vap *iv = IWM_VAP(vap);
1289 iv->is_uploaded = 0;
1292 /* device going down, Stop using ICT table */
1293 sc->sc_flags &= ~IWM_FLAG_USE_ICT;
1295 /* stop tx and rx. tx and rx bits, as usual, are from if_iwn */
1297 if (iwm_nic_lock(sc)) {
1298 iwm_write_prph(sc, IWM_SCD_TXFACT, 0);
1300 /* Stop each Tx DMA channel */
1301 for (chnl = 0; chnl < IWM_FH_TCSR_CHNL_NUM; chnl++) {
1303 IWM_FH_TCSR_CHNL_TX_CONFIG_REG(chnl), 0);
1304 mask |= IWM_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(chnl);
1307 /* Wait for DMA channels to be idle */
1308 if (!iwm_poll_bit(sc, IWM_FH_TSSR_TX_STATUS_REG, mask, mask,
1310 device_printf(sc->sc_dev,
1311 "Failing on timeout while stopping DMA channel: [0x%08x]\n",
1312 IWM_READ(sc, IWM_FH_TSSR_TX_STATUS_REG));
1316 iwm_pcie_rx_stop(sc);
1319 iwm_reset_rx_ring(sc, &sc->rxq);
1321 /* Reset all TX rings. */
1322 for (qid = 0; qid < nitems(sc->txq); qid++)
1323 iwm_reset_tx_ring(sc, &sc->txq[qid]);
1325 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000) {
1326 /* Power-down device's busmaster DMA clocks */
1327 if (iwm_nic_lock(sc)) {
1328 iwm_write_prph(sc, IWM_APMG_CLK_DIS_REG,
1329 IWM_APMG_CLK_VAL_DMA_CLK_RQT);
1335 /* Make sure (redundant) we've released our request to stay awake */
1336 IWM_CLRBITS(sc, IWM_CSR_GP_CNTRL,
1337 IWM_CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
1339 /* Stop the device, and put it in low power state */
1342 /* Upon stop, the APM issues an interrupt if HW RF kill is set.
1343 * Clean again the interrupt here
1345 iwm_disable_interrupts(sc);
1346 /* stop and reset the on-board processor */
1347 IWM_WRITE(sc, IWM_CSR_RESET, IWM_CSR_RESET_REG_FLAG_SW_RESET);
1350 * Even if we stop the HW, we still want the RF kill
1353 iwm_enable_rfkill_int(sc);
1354 iwm_check_rfkill(sc);
1357 /* iwlwifi: mvm/ops.c */
1359 iwm_mvm_nic_config(struct iwm_softc *sc)
1361 uint8_t radio_cfg_type, radio_cfg_step, radio_cfg_dash;
1362 uint32_t reg_val = 0;
1363 uint32_t phy_config = iwm_mvm_get_phy_config(sc);
1365 radio_cfg_type = (phy_config & IWM_FW_PHY_CFG_RADIO_TYPE) >>
1366 IWM_FW_PHY_CFG_RADIO_TYPE_POS;
1367 radio_cfg_step = (phy_config & IWM_FW_PHY_CFG_RADIO_STEP) >>
1368 IWM_FW_PHY_CFG_RADIO_STEP_POS;
1369 radio_cfg_dash = (phy_config & IWM_FW_PHY_CFG_RADIO_DASH) >>
1370 IWM_FW_PHY_CFG_RADIO_DASH_POS;
1373 reg_val |= IWM_CSR_HW_REV_STEP(sc->sc_hw_rev) <<
1374 IWM_CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
1375 reg_val |= IWM_CSR_HW_REV_DASH(sc->sc_hw_rev) <<
1376 IWM_CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
1378 /* radio configuration */
1379 reg_val |= radio_cfg_type << IWM_CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
1380 reg_val |= radio_cfg_step << IWM_CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
1381 reg_val |= radio_cfg_dash << IWM_CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
1383 IWM_WRITE(sc, IWM_CSR_HW_IF_CONFIG_REG, reg_val);
1385 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
1386 "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
1387 radio_cfg_step, radio_cfg_dash);
1390 * W/A : NIC is stuck in a reset state after Early PCIe power off
1391 * (PCIe power is lost before PERST# is asserted), causing ME FW
1392 * to lose ownership and not being able to obtain it back.
1394 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000) {
1395 iwm_set_bits_mask_prph(sc, IWM_APMG_PS_CTRL_REG,
1396 IWM_APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
1397 ~IWM_APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
1402 iwm_nic_rx_init(struct iwm_softc *sc)
1405 * Initialize RX ring. This is from the iwn driver.
1407 memset(sc->rxq.stat, 0, sizeof(*sc->rxq.stat));
1410 iwm_pcie_rx_stop(sc);
1412 if (!iwm_nic_lock(sc))
1415 /* reset and flush pointers */
1416 IWM_WRITE(sc, IWM_FH_MEM_RCSR_CHNL0_RBDCB_WPTR, 0);
1417 IWM_WRITE(sc, IWM_FH_MEM_RCSR_CHNL0_FLUSH_RB_REQ, 0);
1418 IWM_WRITE(sc, IWM_FH_RSCSR_CHNL0_RDPTR, 0);
1419 IWM_WRITE(sc, IWM_FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0);
1421 /* Set physical address of RX ring (256-byte aligned). */
1423 IWM_FH_RSCSR_CHNL0_RBDCB_BASE_REG, sc->rxq.desc_dma.paddr >> 8);
1425 /* Set physical address of RX status (16-byte aligned). */
1427 IWM_FH_RSCSR_CHNL0_STTS_WPTR_REG, sc->rxq.stat_dma.paddr >> 4);
1430 IWM_WRITE(sc, IWM_FH_MEM_RCSR_CHNL0_CONFIG_REG,
1431 IWM_FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
1432 IWM_FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY | /* HW bug */
1433 IWM_FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
1434 IWM_FH_RCSR_CHNL0_RX_CONFIG_SINGLE_FRAME_MSK |
1435 (IWM_RX_RB_TIMEOUT << IWM_FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS) |
1436 IWM_FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K |
1437 IWM_RX_QUEUE_SIZE_LOG << IWM_FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS);
1439 IWM_WRITE_1(sc, IWM_CSR_INT_COALESCING, IWM_HOST_INT_TIMEOUT_DEF);
1441 /* W/A for interrupt coalescing bug in 7260 and 3160 */
1442 if (sc->cfg->host_interrupt_operation_mode)
1443 IWM_SETBITS(sc, IWM_CSR_INT_COALESCING, IWM_HOST_INT_OPER_MODE);
1446 * Thus sayeth el jefe (iwlwifi) via a comment:
1448 * This value should initially be 0 (before preparing any
1449 * RBs), should be 8 after preparing the first 8 RBs (for example)
1451 IWM_WRITE(sc, IWM_FH_RSCSR_CHNL0_WPTR, 8);
1459 iwm_nic_tx_init(struct iwm_softc *sc)
1463 if (!iwm_nic_lock(sc))
1466 /* Deactivate TX scheduler. */
1467 iwm_write_prph(sc, IWM_SCD_TXFACT, 0);
1469 /* Set physical address of "keep warm" page (16-byte aligned). */
1470 IWM_WRITE(sc, IWM_FH_KW_MEM_ADDR_REG, sc->kw_dma.paddr >> 4);
1472 /* Initialize TX rings. */
1473 for (qid = 0; qid < nitems(sc->txq); qid++) {
1474 struct iwm_tx_ring *txq = &sc->txq[qid];
1476 /* Set physical address of TX ring (256-byte aligned). */
1477 IWM_WRITE(sc, IWM_FH_MEM_CBBC_QUEUE(qid),
1478 txq->desc_dma.paddr >> 8);
1479 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
1480 "%s: loading ring %d descriptors (%p) at %lx\n",
1483 (unsigned long) (txq->desc_dma.paddr >> 8));
1486 iwm_write_prph(sc, IWM_SCD_GP_CTRL, IWM_SCD_GP_CTRL_AUTO_ACTIVE_MODE);
1494 iwm_nic_init(struct iwm_softc *sc)
1499 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000)
1502 iwm_mvm_nic_config(sc);
1504 if ((error = iwm_nic_rx_init(sc)) != 0)
1508 * Ditto for TX, from iwn
1510 if ((error = iwm_nic_tx_init(sc)) != 0)
1513 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
1514 "%s: shadow registers enabled\n", __func__);
1515 IWM_SETBITS(sc, IWM_CSR_MAC_SHADOW_REG_CTRL, 0x800fffff);
1520 const uint8_t iwm_mvm_ac_to_tx_fifo[] = {
1528 iwm_enable_txq(struct iwm_softc *sc, int sta_id, int qid, int fifo)
1530 if (!iwm_nic_lock(sc)) {
1531 device_printf(sc->sc_dev,
1532 "%s: cannot enable txq %d\n",
1538 IWM_WRITE(sc, IWM_HBUS_TARG_WRPTR, qid << 8 | 0);
1540 if (qid == IWM_MVM_CMD_QUEUE) {
1541 /* unactivate before configuration */
1542 iwm_write_prph(sc, IWM_SCD_QUEUE_STATUS_BITS(qid),
1543 (0 << IWM_SCD_QUEUE_STTS_REG_POS_ACTIVE)
1544 | (1 << IWM_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
1548 iwm_clear_bits_prph(sc, IWM_SCD_AGGR_SEL, (1 << qid));
1550 if (!iwm_nic_lock(sc)) {
1551 device_printf(sc->sc_dev,
1552 "%s: cannot enable txq %d\n", __func__, qid);
1555 iwm_write_prph(sc, IWM_SCD_QUEUE_RDPTR(qid), 0);
1558 iwm_write_mem32(sc, sc->scd_base_addr + IWM_SCD_CONTEXT_QUEUE_OFFSET(qid), 0);
1559 /* Set scheduler window size and frame limit. */
1561 sc->scd_base_addr + IWM_SCD_CONTEXT_QUEUE_OFFSET(qid) +
1563 ((IWM_FRAME_LIMIT << IWM_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
1564 IWM_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
1565 ((IWM_FRAME_LIMIT << IWM_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
1566 IWM_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
1568 if (!iwm_nic_lock(sc)) {
1569 device_printf(sc->sc_dev,
1570 "%s: cannot enable txq %d\n", __func__, qid);
1573 iwm_write_prph(sc, IWM_SCD_QUEUE_STATUS_BITS(qid),
1574 (1 << IWM_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
1575 (fifo << IWM_SCD_QUEUE_STTS_REG_POS_TXF) |
1576 (1 << IWM_SCD_QUEUE_STTS_REG_POS_WSL) |
1577 IWM_SCD_QUEUE_STTS_REG_MSK);
1579 struct iwm_scd_txq_cfg_cmd cmd;
1584 memset(&cmd, 0, sizeof(cmd));
1585 cmd.scd_queue = qid;
1587 cmd.sta_id = sta_id;
1590 cmd.window = IWM_FRAME_LIMIT;
1592 error = iwm_mvm_send_cmd_pdu(sc, IWM_SCD_QUEUE_CFG, IWM_CMD_SYNC,
1595 device_printf(sc->sc_dev,
1596 "cannot enable txq %d\n", qid);
1600 if (!iwm_nic_lock(sc))
1604 iwm_write_prph(sc, IWM_SCD_EN_CTRL,
1605 iwm_read_prph(sc, IWM_SCD_EN_CTRL) | qid);
1609 IWM_DPRINTF(sc, IWM_DEBUG_XMIT, "%s: enabled txq %d FIFO %d\n",
1610 __func__, qid, fifo);
1616 iwm_trans_pcie_fw_alive(struct iwm_softc *sc, uint32_t scd_base_addr)
1620 int clear_dwords = (IWM_SCD_TRANS_TBL_MEM_UPPER_BOUND -
1621 IWM_SCD_CONTEXT_MEM_LOWER_BOUND) / sizeof(uint32_t);
1623 if (!iwm_nic_lock(sc))
1628 sc->scd_base_addr = iwm_read_prph(sc, IWM_SCD_SRAM_BASE_ADDR);
1629 if (scd_base_addr != 0 &&
1630 scd_base_addr != sc->scd_base_addr) {
1631 device_printf(sc->sc_dev,
1632 "%s: sched addr mismatch: alive: 0x%x prph: 0x%x\n",
1633 __func__, sc->scd_base_addr, scd_base_addr);
1638 /* reset context data, TX status and translation data */
1639 error = iwm_write_mem(sc,
1640 sc->scd_base_addr + IWM_SCD_CONTEXT_MEM_LOWER_BOUND,
1641 NULL, clear_dwords);
1645 if (!iwm_nic_lock(sc))
1648 /* Set physical address of TX scheduler rings (1KB aligned). */
1649 iwm_write_prph(sc, IWM_SCD_DRAM_BASE_ADDR, sc->sched_dma.paddr >> 10);
1651 iwm_write_prph(sc, IWM_SCD_CHAINEXT_EN, 0);
1655 /* enable command channel */
1656 error = iwm_enable_txq(sc, 0 /* unused */, IWM_MVM_CMD_QUEUE, 7);
1660 if (!iwm_nic_lock(sc))
1663 iwm_write_prph(sc, IWM_SCD_TXFACT, 0xff);
1665 /* Enable DMA channels. */
1666 for (chnl = 0; chnl < IWM_FH_TCSR_CHNL_NUM; chnl++) {
1667 IWM_WRITE(sc, IWM_FH_TCSR_CHNL_TX_CONFIG_REG(chnl),
1668 IWM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
1669 IWM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
1672 IWM_SETBITS(sc, IWM_FH_TX_CHICKEN_BITS_REG,
1673 IWM_FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
1677 /* Enable L1-Active */
1678 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000) {
1679 iwm_clear_bits_prph(sc, IWM_APMG_PCIDEV_STT_REG,
1680 IWM_APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
1687 * NVM read access and content parsing. We do not support
1688 * external NVM or writing NVM.
1692 /* Default NVM size to read */
1693 #define IWM_NVM_DEFAULT_CHUNK_SIZE (2*1024)
1695 #define IWM_NVM_WRITE_OPCODE 1
1696 #define IWM_NVM_READ_OPCODE 0
1698 /* load nvm chunk response */
1700 IWM_READ_NVM_CHUNK_SUCCEED = 0,
1701 IWM_READ_NVM_CHUNK_NOT_VALID_ADDRESS = 1
1705 iwm_nvm_read_chunk(struct iwm_softc *sc, uint16_t section,
1706 uint16_t offset, uint16_t length, uint8_t *data, uint16_t *len)
1708 struct iwm_nvm_access_cmd nvm_access_cmd = {
1709 .offset = htole16(offset),
1710 .length = htole16(length),
1711 .type = htole16(section),
1712 .op_code = IWM_NVM_READ_OPCODE,
1714 struct iwm_nvm_access_resp *nvm_resp;
1715 struct iwm_rx_packet *pkt;
1716 struct iwm_host_cmd cmd = {
1717 .id = IWM_NVM_ACCESS_CMD,
1718 .flags = IWM_CMD_WANT_SKB | IWM_CMD_SEND_IN_RFKILL,
1719 .data = { &nvm_access_cmd, },
1721 int ret, bytes_read, offset_read;
1724 cmd.len[0] = sizeof(struct iwm_nvm_access_cmd);
1726 ret = iwm_send_cmd(sc, &cmd);
1728 device_printf(sc->sc_dev,
1729 "Could not send NVM_ACCESS command (error=%d)\n", ret);
1735 /* Extract NVM response */
1736 nvm_resp = (void *)pkt->data;
1737 ret = le16toh(nvm_resp->status);
1738 bytes_read = le16toh(nvm_resp->length);
1739 offset_read = le16toh(nvm_resp->offset);
1740 resp_data = nvm_resp->data;
1742 if ((offset != 0) &&
1743 (ret == IWM_READ_NVM_CHUNK_NOT_VALID_ADDRESS)) {
1745 * meaning of NOT_VALID_ADDRESS:
1746 * driver try to read chunk from address that is
1747 * multiple of 2K and got an error since addr is empty.
1748 * meaning of (offset != 0): driver already
1749 * read valid data from another chunk so this case
1752 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM | IWM_DEBUG_RESET,
1753 "NVM access command failed on offset 0x%x since that section size is multiple 2K\n",
1758 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM | IWM_DEBUG_RESET,
1759 "NVM access command failed with status %d\n", ret);
1765 if (offset_read != offset) {
1766 device_printf(sc->sc_dev,
1767 "NVM ACCESS response with invalid offset %d\n",
1773 if (bytes_read > length) {
1774 device_printf(sc->sc_dev,
1775 "NVM ACCESS response with too much data "
1776 "(%d bytes requested, %d bytes received)\n",
1777 length, bytes_read);
1782 /* Write data to NVM */
1783 memcpy(data + offset, resp_data, bytes_read);
1787 iwm_free_resp(sc, &cmd);
1792 * Reads an NVM section completely.
1793 * NICs prior to 7000 family don't have a real NVM, but just read
1794 * section 0 which is the EEPROM. Because the EEPROM reading is unlimited
1795 * by uCode, we need to manually check in this case that we don't
1796 * overflow and try to read more than the EEPROM size.
1797 * For 7000 family NICs, we supply the maximal size we can read, and
1798 * the uCode fills the response with as much data as we can,
1799 * without overflowing, so no check is needed.
1802 iwm_nvm_read_section(struct iwm_softc *sc,
1803 uint16_t section, uint8_t *data, uint16_t *len, uint32_t size_read)
1805 uint16_t seglen, length, offset = 0;
1808 /* Set nvm section read length */
1809 length = IWM_NVM_DEFAULT_CHUNK_SIZE;
1813 /* Read the NVM until exhausted (reading less than requested) */
1814 while (seglen == length) {
1815 /* Check no memory assumptions fail and cause an overflow */
1816 if ((size_read + offset + length) >
1817 sc->cfg->eeprom_size) {
1818 device_printf(sc->sc_dev,
1819 "EEPROM size is too small for NVM\n");
1823 ret = iwm_nvm_read_chunk(sc, section, offset, length, data, &seglen);
1825 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM | IWM_DEBUG_RESET,
1826 "Cannot read NVM from section %d offset %d, length %d\n",
1827 section, offset, length);
1833 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM | IWM_DEBUG_RESET,
1834 "NVM section %d read completed\n", section);
1840 * BEGIN IWM_NVM_PARSE
1843 /* iwlwifi/iwl-nvm-parse.c */
1845 /* NVM offsets (in words) definitions */
1846 enum iwm_nvm_offsets {
1847 /* NVM HW-Section offset (in words) definitions */
1850 /* NVM SW-Section offset (in words) definitions */
1851 IWM_NVM_SW_SECTION = 0x1C0,
1852 IWM_NVM_VERSION = 0,
1856 IWM_NVM_CHANNELS = 0x1E0 - IWM_NVM_SW_SECTION,
1858 /* NVM calibration section offset (in words) definitions */
1859 IWM_NVM_CALIB_SECTION = 0x2B8,
1860 IWM_XTAL_CALIB = 0x316 - IWM_NVM_CALIB_SECTION
1863 enum iwm_8000_nvm_offsets {
1864 /* NVM HW-Section offset (in words) definitions */
1865 IWM_HW_ADDR0_WFPM_8000 = 0x12,
1866 IWM_HW_ADDR1_WFPM_8000 = 0x16,
1867 IWM_HW_ADDR0_PCIE_8000 = 0x8A,
1868 IWM_HW_ADDR1_PCIE_8000 = 0x8E,
1869 IWM_MAC_ADDRESS_OVERRIDE_8000 = 1,
1871 /* NVM SW-Section offset (in words) definitions */
1872 IWM_NVM_SW_SECTION_8000 = 0x1C0,
1873 IWM_NVM_VERSION_8000 = 0,
1874 IWM_RADIO_CFG_8000 = 0,
1876 IWM_N_HW_ADDRS_8000 = 3,
1878 /* NVM REGULATORY -Section offset (in words) definitions */
1879 IWM_NVM_CHANNELS_8000 = 0,
1880 IWM_NVM_LAR_OFFSET_8000_OLD = 0x4C7,
1881 IWM_NVM_LAR_OFFSET_8000 = 0x507,
1882 IWM_NVM_LAR_ENABLED_8000 = 0x7,
1884 /* NVM calibration section offset (in words) definitions */
1885 IWM_NVM_CALIB_SECTION_8000 = 0x2B8,
1886 IWM_XTAL_CALIB_8000 = 0x316 - IWM_NVM_CALIB_SECTION_8000
1889 /* SKU Capabilities (actual values from NVM definition) */
1891 IWM_NVM_SKU_CAP_BAND_24GHZ = (1 << 0),
1892 IWM_NVM_SKU_CAP_BAND_52GHZ = (1 << 1),
1893 IWM_NVM_SKU_CAP_11N_ENABLE = (1 << 2),
1894 IWM_NVM_SKU_CAP_11AC_ENABLE = (1 << 3),
1897 /* radio config bits (actual values from NVM definition) */
1898 #define IWM_NVM_RF_CFG_DASH_MSK(x) (x & 0x3) /* bits 0-1 */
1899 #define IWM_NVM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
1900 #define IWM_NVM_RF_CFG_TYPE_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
1901 #define IWM_NVM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
1902 #define IWM_NVM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
1903 #define IWM_NVM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
1905 #define IWM_NVM_RF_CFG_FLAVOR_MSK_8000(x) (x & 0xF)
1906 #define IWM_NVM_RF_CFG_DASH_MSK_8000(x) ((x >> 4) & 0xF)
1907 #define IWM_NVM_RF_CFG_STEP_MSK_8000(x) ((x >> 8) & 0xF)
1908 #define IWM_NVM_RF_CFG_TYPE_MSK_8000(x) ((x >> 12) & 0xFFF)
1909 #define IWM_NVM_RF_CFG_TX_ANT_MSK_8000(x) ((x >> 24) & 0xF)
1910 #define IWM_NVM_RF_CFG_RX_ANT_MSK_8000(x) ((x >> 28) & 0xF)
1912 #define DEFAULT_MAX_TX_POWER 16
1915 * enum iwm_nvm_channel_flags - channel flags in NVM
1916 * @IWM_NVM_CHANNEL_VALID: channel is usable for this SKU/geo
1917 * @IWM_NVM_CHANNEL_IBSS: usable as an IBSS channel
1918 * @IWM_NVM_CHANNEL_ACTIVE: active scanning allowed
1919 * @IWM_NVM_CHANNEL_RADAR: radar detection required
1920 * XXX cannot find this (DFS) flag in iwm-nvm-parse.c
1921 * @IWM_NVM_CHANNEL_DFS: dynamic freq selection candidate
1922 * @IWM_NVM_CHANNEL_WIDE: 20 MHz channel okay (?)
1923 * @IWM_NVM_CHANNEL_40MHZ: 40 MHz channel okay (?)
1924 * @IWM_NVM_CHANNEL_80MHZ: 80 MHz channel okay (?)
1925 * @IWM_NVM_CHANNEL_160MHZ: 160 MHz channel okay (?)
1927 enum iwm_nvm_channel_flags {
1928 IWM_NVM_CHANNEL_VALID = (1 << 0),
1929 IWM_NVM_CHANNEL_IBSS = (1 << 1),
1930 IWM_NVM_CHANNEL_ACTIVE = (1 << 3),
1931 IWM_NVM_CHANNEL_RADAR = (1 << 4),
1932 IWM_NVM_CHANNEL_DFS = (1 << 7),
1933 IWM_NVM_CHANNEL_WIDE = (1 << 8),
1934 IWM_NVM_CHANNEL_40MHZ = (1 << 9),
1935 IWM_NVM_CHANNEL_80MHZ = (1 << 10),
1936 IWM_NVM_CHANNEL_160MHZ = (1 << 11),
1940 * Translate EEPROM flags to net80211.
1943 iwm_eeprom_channel_flags(uint16_t ch_flags)
1948 if ((ch_flags & IWM_NVM_CHANNEL_ACTIVE) == 0)
1949 nflags |= IEEE80211_CHAN_PASSIVE;
1950 if ((ch_flags & IWM_NVM_CHANNEL_IBSS) == 0)
1951 nflags |= IEEE80211_CHAN_NOADHOC;
1952 if (ch_flags & IWM_NVM_CHANNEL_RADAR) {
1953 nflags |= IEEE80211_CHAN_DFS;
1955 nflags |= IEEE80211_CHAN_NOADHOC;
1962 iwm_add_channel_band(struct iwm_softc *sc, struct ieee80211_channel chans[],
1963 int maxchans, int *nchans, int ch_idx, size_t ch_num,
1964 const uint8_t bands[])
1966 const uint16_t * const nvm_ch_flags = sc->nvm_data->nvm_ch_flags;
1972 for (; ch_idx < ch_num; ch_idx++) {
1973 ch_flags = le16_to_cpup(nvm_ch_flags + ch_idx);
1974 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000)
1975 ieee = iwm_nvm_channels[ch_idx];
1977 ieee = iwm_nvm_channels_8000[ch_idx];
1979 if (!(ch_flags & IWM_NVM_CHANNEL_VALID)) {
1980 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM,
1981 "Ch. %d Flags %x [%sGHz] - No traffic\n",
1983 (ch_idx >= IWM_NUM_2GHZ_CHANNELS) ?
1988 nflags = iwm_eeprom_channel_flags(ch_flags);
1989 error = ieee80211_add_channel(chans, maxchans, nchans,
1990 ieee, 0, 0, nflags, bands);
1994 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM,
1995 "Ch. %d Flags %x [%sGHz] - Added\n",
1997 (ch_idx >= IWM_NUM_2GHZ_CHANNELS) ?
2003 iwm_init_channel_map(struct ieee80211com *ic, int maxchans, int *nchans,
2004 struct ieee80211_channel chans[])
2006 struct iwm_softc *sc = ic->ic_softc;
2007 struct iwm_nvm_data *data = sc->nvm_data;
2008 uint8_t bands[IEEE80211_MODE_BYTES];
2011 memset(bands, 0, sizeof(bands));
2012 /* 1-13: 11b/g channels. */
2013 setbit(bands, IEEE80211_MODE_11B);
2014 setbit(bands, IEEE80211_MODE_11G);
2015 iwm_add_channel_band(sc, chans, maxchans, nchans, 0,
2016 IWM_NUM_2GHZ_CHANNELS - 1, bands);
2018 /* 14: 11b channel only. */
2019 clrbit(bands, IEEE80211_MODE_11G);
2020 iwm_add_channel_band(sc, chans, maxchans, nchans,
2021 IWM_NUM_2GHZ_CHANNELS - 1, IWM_NUM_2GHZ_CHANNELS, bands);
2023 if (data->sku_cap_band_52GHz_enable) {
2024 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000)
2025 ch_num = nitems(iwm_nvm_channels);
2027 ch_num = nitems(iwm_nvm_channels_8000);
2028 memset(bands, 0, sizeof(bands));
2029 setbit(bands, IEEE80211_MODE_11A);
2030 iwm_add_channel_band(sc, chans, maxchans, nchans,
2031 IWM_NUM_2GHZ_CHANNELS, ch_num, bands);
2036 iwm_set_hw_address_family_8000(struct iwm_softc *sc, struct iwm_nvm_data *data,
2037 const uint16_t *mac_override, const uint16_t *nvm_hw)
2039 const uint8_t *hw_addr;
2042 static const uint8_t reserved_mac[] = {
2043 0x02, 0xcc, 0xaa, 0xff, 0xee, 0x00
2046 hw_addr = (const uint8_t *)(mac_override +
2047 IWM_MAC_ADDRESS_OVERRIDE_8000);
2050 * Store the MAC address from MAO section.
2051 * No byte swapping is required in MAO section
2053 IEEE80211_ADDR_COPY(data->hw_addr, hw_addr);
2056 * Force the use of the OTP MAC address in case of reserved MAC
2057 * address in the NVM, or if address is given but invalid.
2059 if (!IEEE80211_ADDR_EQ(reserved_mac, hw_addr) &&
2060 !IEEE80211_ADDR_EQ(ieee80211broadcastaddr, data->hw_addr) &&
2061 iwm_is_valid_ether_addr(data->hw_addr) &&
2062 !IEEE80211_IS_MULTICAST(data->hw_addr))
2065 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2066 "%s: mac address from nvm override section invalid\n",
2071 /* read the mac address from WFMP registers */
2072 uint32_t mac_addr0 =
2073 htole32(iwm_read_prph(sc, IWM_WFMP_MAC_ADDR_0));
2074 uint32_t mac_addr1 =
2075 htole32(iwm_read_prph(sc, IWM_WFMP_MAC_ADDR_1));
2077 hw_addr = (const uint8_t *)&mac_addr0;
2078 data->hw_addr[0] = hw_addr[3];
2079 data->hw_addr[1] = hw_addr[2];
2080 data->hw_addr[2] = hw_addr[1];
2081 data->hw_addr[3] = hw_addr[0];
2083 hw_addr = (const uint8_t *)&mac_addr1;
2084 data->hw_addr[4] = hw_addr[1];
2085 data->hw_addr[5] = hw_addr[0];
2090 device_printf(sc->sc_dev, "%s: mac address not found\n", __func__);
2091 memset(data->hw_addr, 0, sizeof(data->hw_addr));
2095 iwm_get_sku(const struct iwm_softc *sc, const uint16_t *nvm_sw,
2096 const uint16_t *phy_sku)
2098 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000)
2099 return le16_to_cpup(nvm_sw + IWM_SKU);
2101 return le32_to_cpup((const uint32_t *)(phy_sku + IWM_SKU_8000));
2105 iwm_get_nvm_version(const struct iwm_softc *sc, const uint16_t *nvm_sw)
2107 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000)
2108 return le16_to_cpup(nvm_sw + IWM_NVM_VERSION);
2110 return le32_to_cpup((const uint32_t *)(nvm_sw +
2111 IWM_NVM_VERSION_8000));
2115 iwm_get_radio_cfg(const struct iwm_softc *sc, const uint16_t *nvm_sw,
2116 const uint16_t *phy_sku)
2118 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000)
2119 return le16_to_cpup(nvm_sw + IWM_RADIO_CFG);
2121 return le32_to_cpup((const uint32_t *)(phy_sku + IWM_RADIO_CFG_8000));
2125 iwm_get_n_hw_addrs(const struct iwm_softc *sc, const uint16_t *nvm_sw)
2129 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000)
2130 return le16_to_cpup(nvm_sw + IWM_N_HW_ADDRS);
2132 n_hw_addr = le32_to_cpup((const uint32_t *)(nvm_sw + IWM_N_HW_ADDRS_8000));
2134 return n_hw_addr & IWM_N_HW_ADDR_MASK;
2138 iwm_set_radio_cfg(const struct iwm_softc *sc, struct iwm_nvm_data *data,
2141 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000) {
2142 data->radio_cfg_type = IWM_NVM_RF_CFG_TYPE_MSK(radio_cfg);
2143 data->radio_cfg_step = IWM_NVM_RF_CFG_STEP_MSK(radio_cfg);
2144 data->radio_cfg_dash = IWM_NVM_RF_CFG_DASH_MSK(radio_cfg);
2145 data->radio_cfg_pnum = IWM_NVM_RF_CFG_PNUM_MSK(radio_cfg);
2149 /* set the radio configuration for family 8000 */
2150 data->radio_cfg_type = IWM_NVM_RF_CFG_TYPE_MSK_8000(radio_cfg);
2151 data->radio_cfg_step = IWM_NVM_RF_CFG_STEP_MSK_8000(radio_cfg);
2152 data->radio_cfg_dash = IWM_NVM_RF_CFG_DASH_MSK_8000(radio_cfg);
2153 data->radio_cfg_pnum = IWM_NVM_RF_CFG_FLAVOR_MSK_8000(radio_cfg);
2154 data->valid_tx_ant = IWM_NVM_RF_CFG_TX_ANT_MSK_8000(radio_cfg);
2155 data->valid_rx_ant = IWM_NVM_RF_CFG_RX_ANT_MSK_8000(radio_cfg);
2159 iwm_set_hw_address(struct iwm_softc *sc, struct iwm_nvm_data *data,
2160 const uint16_t *nvm_hw, const uint16_t *mac_override)
2162 #ifdef notyet /* for FAMILY 9000 */
2163 if (cfg->mac_addr_from_csr) {
2164 iwm_set_hw_address_from_csr(sc, data);
2167 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000) {
2168 const uint8_t *hw_addr = (const uint8_t *)(nvm_hw + IWM_HW_ADDR);
2170 /* The byte order is little endian 16 bit, meaning 214365 */
2171 data->hw_addr[0] = hw_addr[1];
2172 data->hw_addr[1] = hw_addr[0];
2173 data->hw_addr[2] = hw_addr[3];
2174 data->hw_addr[3] = hw_addr[2];
2175 data->hw_addr[4] = hw_addr[5];
2176 data->hw_addr[5] = hw_addr[4];
2178 iwm_set_hw_address_family_8000(sc, data, mac_override, nvm_hw);
2181 if (!iwm_is_valid_ether_addr(data->hw_addr)) {
2182 device_printf(sc->sc_dev, "no valid mac address was found\n");
2189 static struct iwm_nvm_data *
2190 iwm_parse_nvm_data(struct iwm_softc *sc,
2191 const uint16_t *nvm_hw, const uint16_t *nvm_sw,
2192 const uint16_t *nvm_calib, const uint16_t *mac_override,
2193 const uint16_t *phy_sku, const uint16_t *regulatory)
2195 struct iwm_nvm_data *data;
2196 uint32_t sku, radio_cfg;
2198 if (sc->cfg->device_family != IWM_DEVICE_FAMILY_8000) {
2199 data = malloc(sizeof(*data) +
2200 IWM_NUM_CHANNELS * sizeof(uint16_t),
2201 M_DEVBUF, M_NOWAIT | M_ZERO);
2203 data = malloc(sizeof(*data) +
2204 IWM_NUM_CHANNELS_8000 * sizeof(uint16_t),
2205 M_DEVBUF, M_NOWAIT | M_ZERO);
2210 data->nvm_version = iwm_get_nvm_version(sc, nvm_sw);
2212 radio_cfg = iwm_get_radio_cfg(sc, nvm_sw, phy_sku);
2213 iwm_set_radio_cfg(sc, data, radio_cfg);
2215 sku = iwm_get_sku(sc, nvm_sw, phy_sku);
2216 data->sku_cap_band_24GHz_enable = sku & IWM_NVM_SKU_CAP_BAND_24GHZ;
2217 data->sku_cap_band_52GHz_enable = sku & IWM_NVM_SKU_CAP_BAND_52GHZ;
2218 data->sku_cap_11n_enable = 0;
2220 data->n_hw_addrs = iwm_get_n_hw_addrs(sc, nvm_sw);
2222 /* If no valid mac address was found - bail out */
2223 if (iwm_set_hw_address(sc, data, nvm_hw, mac_override)) {
2224 free(data, M_DEVBUF);
2228 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000) {
2229 memcpy(data->nvm_ch_flags, &nvm_sw[IWM_NVM_CHANNELS],
2230 IWM_NUM_CHANNELS * sizeof(uint16_t));
2232 memcpy(data->nvm_ch_flags, ®ulatory[IWM_NVM_CHANNELS_8000],
2233 IWM_NUM_CHANNELS_8000 * sizeof(uint16_t));
2240 iwm_free_nvm_data(struct iwm_nvm_data *data)
2243 free(data, M_DEVBUF);
2246 static struct iwm_nvm_data *
2247 iwm_parse_nvm_sections(struct iwm_softc *sc, struct iwm_nvm_section *sections)
2249 const uint16_t *hw, *sw, *calib, *regulatory, *mac_override, *phy_sku;
2251 /* Checking for required sections */
2252 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000) {
2253 if (!sections[IWM_NVM_SECTION_TYPE_SW].data ||
2254 !sections[sc->cfg->nvm_hw_section_num].data) {
2255 device_printf(sc->sc_dev,
2256 "Can't parse empty OTP/NVM sections\n");
2259 } else if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000) {
2260 /* SW and REGULATORY sections are mandatory */
2261 if (!sections[IWM_NVM_SECTION_TYPE_SW].data ||
2262 !sections[IWM_NVM_SECTION_TYPE_REGULATORY].data) {
2263 device_printf(sc->sc_dev,
2264 "Can't parse empty OTP/NVM sections\n");
2267 /* MAC_OVERRIDE or at least HW section must exist */
2268 if (!sections[sc->cfg->nvm_hw_section_num].data &&
2269 !sections[IWM_NVM_SECTION_TYPE_MAC_OVERRIDE].data) {
2270 device_printf(sc->sc_dev,
2271 "Can't parse mac_address, empty sections\n");
2275 /* PHY_SKU section is mandatory in B0 */
2276 if (!sections[IWM_NVM_SECTION_TYPE_PHY_SKU].data) {
2277 device_printf(sc->sc_dev,
2278 "Can't parse phy_sku in B0, empty sections\n");
2282 panic("unknown device family %d\n", sc->cfg->device_family);
2285 hw = (const uint16_t *) sections[sc->cfg->nvm_hw_section_num].data;
2286 sw = (const uint16_t *)sections[IWM_NVM_SECTION_TYPE_SW].data;
2287 calib = (const uint16_t *)
2288 sections[IWM_NVM_SECTION_TYPE_CALIBRATION].data;
2289 regulatory = (const uint16_t *)
2290 sections[IWM_NVM_SECTION_TYPE_REGULATORY].data;
2291 mac_override = (const uint16_t *)
2292 sections[IWM_NVM_SECTION_TYPE_MAC_OVERRIDE].data;
2293 phy_sku = (const uint16_t *)sections[IWM_NVM_SECTION_TYPE_PHY_SKU].data;
2295 return iwm_parse_nvm_data(sc, hw, sw, calib, mac_override,
2296 phy_sku, regulatory);
2300 iwm_nvm_init(struct iwm_softc *sc)
2302 struct iwm_nvm_section nvm_sections[IWM_NVM_MAX_NUM_SECTIONS];
2303 int i, ret, section;
2304 uint32_t size_read = 0;
2305 uint8_t *nvm_buffer, *temp;
2308 memset(nvm_sections, 0, sizeof(nvm_sections));
2310 if (sc->cfg->nvm_hw_section_num >= IWM_NVM_MAX_NUM_SECTIONS)
2313 /* load NVM values from nic */
2314 /* Read From FW NVM */
2315 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM, "Read from NVM\n");
2317 nvm_buffer = malloc(sc->cfg->eeprom_size, M_DEVBUF, M_NOWAIT | M_ZERO);
2320 for (section = 0; section < IWM_NVM_MAX_NUM_SECTIONS; section++) {
2321 /* we override the constness for initial read */
2322 ret = iwm_nvm_read_section(sc, section, nvm_buffer,
2327 temp = malloc(len, M_DEVBUF, M_NOWAIT);
2332 memcpy(temp, nvm_buffer, len);
2334 nvm_sections[section].data = temp;
2335 nvm_sections[section].length = len;
2338 device_printf(sc->sc_dev, "OTP is blank\n");
2339 free(nvm_buffer, M_DEVBUF);
2341 sc->nvm_data = iwm_parse_nvm_sections(sc, nvm_sections);
2344 IWM_DPRINTF(sc, IWM_DEBUG_EEPROM | IWM_DEBUG_RESET,
2345 "nvm version = %x\n", sc->nvm_data->nvm_version);
2347 for (i = 0; i < IWM_NVM_MAX_NUM_SECTIONS; i++) {
2348 if (nvm_sections[i].data != NULL)
2349 free(nvm_sections[i].data, M_DEVBUF);
2356 iwm_pcie_load_section(struct iwm_softc *sc, uint8_t section_num,
2357 const struct iwm_fw_desc *section)
2359 struct iwm_dma_info *dma = &sc->fw_dma;
2362 uint32_t offset, chunk_sz = MIN(IWM_FH_MEM_TB_MAX_LENGTH, section->len);
2365 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2366 "%s: [%d] uCode section being loaded...\n",
2367 __func__, section_num);
2369 v_addr = dma->vaddr;
2370 p_addr = dma->paddr;
2372 for (offset = 0; offset < section->len; offset += chunk_sz) {
2373 uint32_t copy_size, dst_addr;
2374 int extended_addr = FALSE;
2376 copy_size = MIN(chunk_sz, section->len - offset);
2377 dst_addr = section->offset + offset;
2379 if (dst_addr >= IWM_FW_MEM_EXTENDED_START &&
2380 dst_addr <= IWM_FW_MEM_EXTENDED_END)
2381 extended_addr = TRUE;
2384 iwm_set_bits_prph(sc, IWM_LMPM_CHICK,
2385 IWM_LMPM_CHICK_EXTENDED_ADDR_SPACE);
2387 memcpy(v_addr, (const uint8_t *)section->data + offset,
2389 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
2390 ret = iwm_pcie_load_firmware_chunk(sc, dst_addr, p_addr,
2394 iwm_clear_bits_prph(sc, IWM_LMPM_CHICK,
2395 IWM_LMPM_CHICK_EXTENDED_ADDR_SPACE);
2398 device_printf(sc->sc_dev,
2399 "%s: Could not load the [%d] uCode section\n",
2400 __func__, section_num);
2412 iwm_pcie_load_firmware_chunk(struct iwm_softc *sc, uint32_t dst_addr,
2413 bus_addr_t phy_addr, uint32_t byte_cnt)
2417 sc->sc_fw_chunk_done = 0;
2419 if (!iwm_nic_lock(sc))
2422 IWM_WRITE(sc, IWM_FH_TCSR_CHNL_TX_CONFIG_REG(IWM_FH_SRVC_CHNL),
2423 IWM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
2425 IWM_WRITE(sc, IWM_FH_SRVC_CHNL_SRAM_ADDR_REG(IWM_FH_SRVC_CHNL),
2428 IWM_WRITE(sc, IWM_FH_TFDIB_CTRL0_REG(IWM_FH_SRVC_CHNL),
2429 phy_addr & IWM_FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
2431 IWM_WRITE(sc, IWM_FH_TFDIB_CTRL1_REG(IWM_FH_SRVC_CHNL),
2432 (iwm_get_dma_hi_addr(phy_addr)
2433 << IWM_FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
2435 IWM_WRITE(sc, IWM_FH_TCSR_CHNL_TX_BUF_STS_REG(IWM_FH_SRVC_CHNL),
2436 1 << IWM_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
2437 1 << IWM_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
2438 IWM_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
2440 IWM_WRITE(sc, IWM_FH_TCSR_CHNL_TX_CONFIG_REG(IWM_FH_SRVC_CHNL),
2441 IWM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
2442 IWM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
2443 IWM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
2447 /* wait up to 5s for this segment to load */
2449 while (!sc->sc_fw_chunk_done) {
2450 ret = msleep(&sc->sc_fw, &sc->sc_mtx, 0, "iwmfw", hz);
2456 device_printf(sc->sc_dev,
2457 "fw chunk addr 0x%x len %d failed to load\n",
2458 dst_addr, byte_cnt);
2466 iwm_pcie_load_cpu_sections_8000(struct iwm_softc *sc,
2467 const struct iwm_fw_sects *image, int cpu, int *first_ucode_section)
2470 int i, ret = 0, sec_num = 0x1;
2471 uint32_t val, last_read_idx = 0;
2475 *first_ucode_section = 0;
2478 (*first_ucode_section)++;
2481 for (i = *first_ucode_section; i < IWM_UCODE_SECTION_MAX; i++) {
2485 * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between
2487 * PAGING_SEPARATOR_SECTION delimiter - separate between
2488 * CPU2 non paged to CPU2 paging sec.
2490 if (!image->fw_sect[i].data ||
2491 image->fw_sect[i].offset == IWM_CPU1_CPU2_SEPARATOR_SECTION ||
2492 image->fw_sect[i].offset == IWM_PAGING_SEPARATOR_SECTION) {
2493 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2494 "Break since Data not valid or Empty section, sec = %d\n",
2498 ret = iwm_pcie_load_section(sc, i, &image->fw_sect[i]);
2502 /* Notify the ucode of the loaded section number and status */
2503 if (iwm_nic_lock(sc)) {
2504 val = IWM_READ(sc, IWM_FH_UCODE_LOAD_STATUS);
2505 val = val | (sec_num << shift_param);
2506 IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, val);
2507 sec_num = (sec_num << 1) | 0x1;
2512 *first_ucode_section = last_read_idx;
2514 iwm_enable_interrupts(sc);
2516 if (iwm_nic_lock(sc)) {
2518 IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, 0xFFFF);
2520 IWM_WRITE(sc, IWM_FH_UCODE_LOAD_STATUS, 0xFFFFFFFF);
2528 iwm_pcie_load_cpu_sections(struct iwm_softc *sc,
2529 const struct iwm_fw_sects *image, int cpu, int *first_ucode_section)
2533 uint32_t last_read_idx = 0;
2537 *first_ucode_section = 0;
2540 (*first_ucode_section)++;
2543 for (i = *first_ucode_section; i < IWM_UCODE_SECTION_MAX; i++) {
2547 * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between
2549 * PAGING_SEPARATOR_SECTION delimiter - separate between
2550 * CPU2 non paged to CPU2 paging sec.
2552 if (!image->fw_sect[i].data ||
2553 image->fw_sect[i].offset == IWM_CPU1_CPU2_SEPARATOR_SECTION ||
2554 image->fw_sect[i].offset == IWM_PAGING_SEPARATOR_SECTION) {
2555 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2556 "Break since Data not valid or Empty section, sec = %d\n",
2561 ret = iwm_pcie_load_section(sc, i, &image->fw_sect[i]);
2566 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000)
2567 iwm_set_bits_prph(sc,
2568 IWM_CSR_UCODE_LOAD_STATUS_ADDR,
2569 (IWM_LMPM_CPU_UCODE_LOADING_COMPLETED |
2570 IWM_LMPM_CPU_HDRS_LOADING_COMPLETED |
2571 IWM_LMPM_CPU_UCODE_LOADING_STARTED) <<
2574 *first_ucode_section = last_read_idx;
2581 iwm_pcie_load_given_ucode(struct iwm_softc *sc,
2582 const struct iwm_fw_sects *image)
2585 int first_ucode_section;
2587 IWM_DPRINTF(sc, IWM_DEBUG_RESET, "working with %s CPU\n",
2588 image->is_dual_cpus ? "Dual" : "Single");
2590 /* load to FW the binary non secured sections of CPU1 */
2591 ret = iwm_pcie_load_cpu_sections(sc, image, 1, &first_ucode_section);
2595 if (image->is_dual_cpus) {
2596 /* set CPU2 header address */
2597 if (iwm_nic_lock(sc)) {
2599 IWM_LMPM_SECURE_UCODE_LOAD_CPU2_HDR_ADDR,
2600 IWM_LMPM_SECURE_CPU2_HDR_MEM_SPACE);
2604 /* load to FW the binary sections of CPU2 */
2605 ret = iwm_pcie_load_cpu_sections(sc, image, 2,
2606 &first_ucode_section);
2611 iwm_enable_interrupts(sc);
2613 /* release CPU reset */
2614 IWM_WRITE(sc, IWM_CSR_RESET, 0);
2620 iwm_pcie_load_given_ucode_8000(struct iwm_softc *sc,
2621 const struct iwm_fw_sects *image)
2624 int first_ucode_section;
2626 IWM_DPRINTF(sc, IWM_DEBUG_RESET, "working with %s CPU\n",
2627 image->is_dual_cpus ? "Dual" : "Single");
2629 /* configure the ucode to be ready to get the secured image */
2630 /* release CPU reset */
2631 if (iwm_nic_lock(sc)) {
2632 iwm_write_prph(sc, IWM_RELEASE_CPU_RESET,
2633 IWM_RELEASE_CPU_RESET_BIT);
2637 /* load to FW the binary Secured sections of CPU1 */
2638 ret = iwm_pcie_load_cpu_sections_8000(sc, image, 1,
2639 &first_ucode_section);
2643 /* load to FW the binary sections of CPU2 */
2644 return iwm_pcie_load_cpu_sections_8000(sc, image, 2,
2645 &first_ucode_section);
2648 /* XXX Get rid of this definition */
2650 iwm_enable_fw_load_int(struct iwm_softc *sc)
2652 IWM_DPRINTF(sc, IWM_DEBUG_INTR, "Enabling FW load interrupt\n");
2653 sc->sc_intmask = IWM_CSR_INT_BIT_FH_TX;
2654 IWM_WRITE(sc, IWM_CSR_INT_MASK, sc->sc_intmask);
2657 /* XXX Add proper rfkill support code */
2659 iwm_start_fw(struct iwm_softc *sc,
2660 const struct iwm_fw_sects *fw)
2664 /* This may fail if AMT took ownership of the device */
2665 if (iwm_prepare_card_hw(sc)) {
2666 device_printf(sc->sc_dev,
2667 "%s: Exit HW not ready\n", __func__);
2672 IWM_WRITE(sc, IWM_CSR_INT, 0xFFFFFFFF);
2674 iwm_disable_interrupts(sc);
2676 /* make sure rfkill handshake bits are cleared */
2677 IWM_WRITE(sc, IWM_CSR_UCODE_DRV_GP1_CLR, IWM_CSR_UCODE_SW_BIT_RFKILL);
2678 IWM_WRITE(sc, IWM_CSR_UCODE_DRV_GP1_CLR,
2679 IWM_CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
2681 /* clear (again), then enable host interrupts */
2682 IWM_WRITE(sc, IWM_CSR_INT, 0xFFFFFFFF);
2684 ret = iwm_nic_init(sc);
2686 device_printf(sc->sc_dev, "%s: Unable to init nic\n", __func__);
2691 * Now, we load the firmware and don't want to be interrupted, even
2692 * by the RF-Kill interrupt (hence mask all the interrupt besides the
2693 * FH_TX interrupt which is needed to load the firmware). If the
2694 * RF-Kill switch is toggled, we will find out after having loaded
2695 * the firmware and return the proper value to the caller.
2697 iwm_enable_fw_load_int(sc);
2699 /* really make sure rfkill handshake bits are cleared */
2700 /* maybe we should write a few times more? just to make sure */
2701 IWM_WRITE(sc, IWM_CSR_UCODE_DRV_GP1_CLR, IWM_CSR_UCODE_SW_BIT_RFKILL);
2702 IWM_WRITE(sc, IWM_CSR_UCODE_DRV_GP1_CLR, IWM_CSR_UCODE_SW_BIT_RFKILL);
2704 /* Load the given image to the HW */
2705 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000)
2706 ret = iwm_pcie_load_given_ucode_8000(sc, fw);
2708 ret = iwm_pcie_load_given_ucode(sc, fw);
2710 /* XXX re-check RF-Kill state */
2717 iwm_send_tx_ant_cfg(struct iwm_softc *sc, uint8_t valid_tx_ant)
2719 struct iwm_tx_ant_cfg_cmd tx_ant_cmd = {
2720 .valid = htole32(valid_tx_ant),
2723 return iwm_mvm_send_cmd_pdu(sc, IWM_TX_ANT_CONFIGURATION_CMD,
2724 IWM_CMD_SYNC, sizeof(tx_ant_cmd), &tx_ant_cmd);
2727 /* iwlwifi: mvm/fw.c */
2729 iwm_send_phy_cfg_cmd(struct iwm_softc *sc)
2731 struct iwm_phy_cfg_cmd phy_cfg_cmd;
2732 enum iwm_ucode_type ucode_type = sc->cur_ucode;
2734 /* Set parameters */
2735 phy_cfg_cmd.phy_cfg = htole32(iwm_mvm_get_phy_config(sc));
2736 phy_cfg_cmd.calib_control.event_trigger =
2737 sc->sc_default_calib[ucode_type].event_trigger;
2738 phy_cfg_cmd.calib_control.flow_trigger =
2739 sc->sc_default_calib[ucode_type].flow_trigger;
2741 IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
2742 "Sending Phy CFG command: 0x%x\n", phy_cfg_cmd.phy_cfg);
2743 return iwm_mvm_send_cmd_pdu(sc, IWM_PHY_CONFIGURATION_CMD, IWM_CMD_SYNC,
2744 sizeof(phy_cfg_cmd), &phy_cfg_cmd);
2748 iwm_alive_fn(struct iwm_softc *sc, struct iwm_rx_packet *pkt, void *data)
2750 struct iwm_mvm_alive_data *alive_data = data;
2751 struct iwm_mvm_alive_resp_ver1 *palive1;
2752 struct iwm_mvm_alive_resp_ver2 *palive2;
2753 struct iwm_mvm_alive_resp *palive;
2755 if (iwm_rx_packet_payload_len(pkt) == sizeof(*palive1)) {
2756 palive1 = (void *)pkt->data;
2758 sc->support_umac_log = FALSE;
2759 sc->error_event_table =
2760 le32toh(palive1->error_event_table_ptr);
2761 sc->log_event_table =
2762 le32toh(palive1->log_event_table_ptr);
2763 alive_data->scd_base_addr = le32toh(palive1->scd_base_ptr);
2765 alive_data->valid = le16toh(palive1->status) ==
2766 IWM_ALIVE_STATUS_OK;
2767 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2768 "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
2769 le16toh(palive1->status), palive1->ver_type,
2770 palive1->ver_subtype, palive1->flags);
2771 } else if (iwm_rx_packet_payload_len(pkt) == sizeof(*palive2)) {
2772 palive2 = (void *)pkt->data;
2773 sc->error_event_table =
2774 le32toh(palive2->error_event_table_ptr);
2775 sc->log_event_table =
2776 le32toh(palive2->log_event_table_ptr);
2777 alive_data->scd_base_addr = le32toh(palive2->scd_base_ptr);
2778 sc->umac_error_event_table =
2779 le32toh(palive2->error_info_addr);
2781 alive_data->valid = le16toh(palive2->status) ==
2782 IWM_ALIVE_STATUS_OK;
2783 if (sc->umac_error_event_table)
2784 sc->support_umac_log = TRUE;
2786 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2787 "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
2788 le16toh(palive2->status), palive2->ver_type,
2789 palive2->ver_subtype, palive2->flags);
2791 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2792 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
2793 palive2->umac_major, palive2->umac_minor);
2794 } else if (iwm_rx_packet_payload_len(pkt) == sizeof(*palive)) {
2795 palive = (void *)pkt->data;
2797 sc->error_event_table =
2798 le32toh(palive->error_event_table_ptr);
2799 sc->log_event_table =
2800 le32toh(palive->log_event_table_ptr);
2801 alive_data->scd_base_addr = le32toh(palive->scd_base_ptr);
2802 sc->umac_error_event_table =
2803 le32toh(palive->error_info_addr);
2805 alive_data->valid = le16toh(palive->status) ==
2806 IWM_ALIVE_STATUS_OK;
2807 if (sc->umac_error_event_table)
2808 sc->support_umac_log = TRUE;
2810 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2811 "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
2812 le16toh(palive->status), palive->ver_type,
2813 palive->ver_subtype, palive->flags);
2815 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
2816 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
2817 le32toh(palive->umac_major),
2818 le32toh(palive->umac_minor));
2825 iwm_wait_phy_db_entry(struct iwm_softc *sc,
2826 struct iwm_rx_packet *pkt, void *data)
2828 struct iwm_phy_db *phy_db = data;
2830 if (pkt->hdr.code != IWM_CALIB_RES_NOTIF_PHY_DB) {
2831 if(pkt->hdr.code != IWM_INIT_COMPLETE_NOTIF) {
2832 device_printf(sc->sc_dev, "%s: Unexpected cmd: %d\n",
2833 __func__, pkt->hdr.code);
2838 if (iwm_phy_db_set_section(phy_db, pkt)) {
2839 device_printf(sc->sc_dev,
2840 "%s: iwm_phy_db_set_section failed\n", __func__);
2847 iwm_mvm_load_ucode_wait_alive(struct iwm_softc *sc,
2848 enum iwm_ucode_type ucode_type)
2850 struct iwm_notification_wait alive_wait;
2851 struct iwm_mvm_alive_data alive_data;
2852 const struct iwm_fw_sects *fw;
2853 enum iwm_ucode_type old_type = sc->cur_ucode;
2855 static const uint16_t alive_cmd[] = { IWM_MVM_ALIVE };
2857 if ((error = iwm_read_firmware(sc, ucode_type)) != 0) {
2858 device_printf(sc->sc_dev, "iwm_read_firmware: failed %d\n",
2862 fw = &sc->sc_fw.fw_sects[ucode_type];
2863 sc->cur_ucode = ucode_type;
2864 sc->ucode_loaded = FALSE;
2866 memset(&alive_data, 0, sizeof(alive_data));
2867 iwm_init_notification_wait(sc->sc_notif_wait, &alive_wait,
2868 alive_cmd, nitems(alive_cmd),
2869 iwm_alive_fn, &alive_data);
2871 error = iwm_start_fw(sc, fw);
2873 device_printf(sc->sc_dev, "iwm_start_fw: failed %d\n", error);
2874 sc->cur_ucode = old_type;
2875 iwm_remove_notification(sc->sc_notif_wait, &alive_wait);
2880 * Some things may run in the background now, but we
2881 * just wait for the ALIVE notification here.
2884 error = iwm_wait_notification(sc->sc_notif_wait, &alive_wait,
2885 IWM_MVM_UCODE_ALIVE_TIMEOUT);
2888 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000) {
2889 uint32_t a = 0x5a5a5a5a, b = 0x5a5a5a5a;
2890 if (iwm_nic_lock(sc)) {
2891 a = iwm_read_prph(sc, IWM_SB_CPU_1_STATUS);
2892 b = iwm_read_prph(sc, IWM_SB_CPU_2_STATUS);
2895 device_printf(sc->sc_dev,
2896 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
2899 sc->cur_ucode = old_type;
2903 if (!alive_data.valid) {
2904 device_printf(sc->sc_dev, "%s: Loaded ucode is not valid\n",
2906 sc->cur_ucode = old_type;
2910 iwm_trans_pcie_fw_alive(sc, alive_data.scd_base_addr);
2913 * configure and operate fw paging mechanism.
2914 * driver configures the paging flow only once, CPU2 paging image
2915 * included in the IWM_UCODE_INIT image.
2917 if (fw->paging_mem_size) {
2918 error = iwm_save_fw_paging(sc, fw);
2920 device_printf(sc->sc_dev,
2921 "%s: failed to save the FW paging image\n",
2926 error = iwm_send_paging_cmd(sc, fw);
2928 device_printf(sc->sc_dev,
2929 "%s: failed to send the paging cmd\n", __func__);
2930 iwm_free_fw_paging(sc);
2936 sc->ucode_loaded = TRUE;
2945 * follows iwlwifi/fw.c
2948 iwm_run_init_mvm_ucode(struct iwm_softc *sc, int justnvm)
2950 struct iwm_notification_wait calib_wait;
2951 static const uint16_t init_complete[] = {
2952 IWM_INIT_COMPLETE_NOTIF,
2953 IWM_CALIB_RES_NOTIF_PHY_DB
2957 /* do not operate with rfkill switch turned on */
2958 if ((sc->sc_flags & IWM_FLAG_RFKILL) && !justnvm) {
2959 device_printf(sc->sc_dev,
2960 "radio is disabled by hardware switch\n");
2964 iwm_init_notification_wait(sc->sc_notif_wait,
2967 nitems(init_complete),
2968 iwm_wait_phy_db_entry,
2971 /* Will also start the device */
2972 ret = iwm_mvm_load_ucode_wait_alive(sc, IWM_UCODE_INIT);
2974 device_printf(sc->sc_dev, "Failed to start INIT ucode: %d\n",
2981 ret = iwm_nvm_init(sc);
2983 device_printf(sc->sc_dev, "failed to read nvm\n");
2986 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, sc->nvm_data->hw_addr);
2990 ret = iwm_send_bt_init_conf(sc);
2992 device_printf(sc->sc_dev,
2993 "failed to send bt coex configuration: %d\n", ret);
2997 /* Init Smart FIFO. */
2998 ret = iwm_mvm_sf_config(sc, IWM_SF_INIT_OFF);
3002 /* Send TX valid antennas before triggering calibrations */
3003 ret = iwm_send_tx_ant_cfg(sc, iwm_mvm_get_valid_tx_ant(sc));
3005 device_printf(sc->sc_dev,
3006 "failed to send antennas before calibration: %d\n", ret);
3011 * Send phy configurations command to init uCode
3012 * to start the 16.0 uCode init image internal calibrations.
3014 ret = iwm_send_phy_cfg_cmd(sc);
3016 device_printf(sc->sc_dev,
3017 "%s: Failed to run INIT calibrations: %d\n",
3023 * Nothing to do but wait for the init complete notification
3024 * from the firmware.
3027 ret = iwm_wait_notification(sc->sc_notif_wait, &calib_wait,
3028 IWM_MVM_UCODE_CALIB_TIMEOUT);
3035 iwm_remove_notification(sc->sc_notif_wait, &calib_wait);
3044 /* (re)stock rx ring, called at init-time and at runtime */
3046 iwm_rx_addbuf(struct iwm_softc *sc, int size, int idx)
3048 struct iwm_rx_ring *ring = &sc->rxq;
3049 struct iwm_rx_data *data = &ring->data[idx];
3051 bus_dmamap_t dmamap;
3052 bus_dma_segment_t seg;
3055 m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, IWM_RBUF_SIZE);
3059 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size;
3060 error = bus_dmamap_load_mbuf_sg(ring->data_dmat, ring->spare_map, m,
3061 &seg, &nsegs, BUS_DMA_NOWAIT);
3063 device_printf(sc->sc_dev,
3064 "%s: can't map mbuf, error %d\n", __func__, error);
3069 if (data->m != NULL)
3070 bus_dmamap_unload(ring->data_dmat, data->map);
3072 /* Swap ring->spare_map with data->map */
3074 data->map = ring->spare_map;
3075 ring->spare_map = dmamap;
3077 bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREREAD);
3080 /* Update RX descriptor. */
3081 KASSERT((seg.ds_addr & 255) == 0, ("seg.ds_addr not aligned"));
3082 ring->desc[idx] = htole32(seg.ds_addr >> 8);
3083 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
3084 BUS_DMASYNC_PREWRITE);
3089 /* iwlwifi: mvm/rx.c */
3091 * iwm_mvm_get_signal_strength - use new rx PHY INFO API
3092 * values are reported by the fw as positive values - need to negate
3093 * to obtain their dBM. Account for missing antennas by replacing 0
3094 * values by -256dBm: practically 0 power and a non-feasible 8 bit value.
3097 iwm_mvm_get_signal_strength(struct iwm_softc *sc, struct iwm_rx_phy_info *phy_info)
3099 int energy_a, energy_b, energy_c, max_energy;
3102 val = le32toh(phy_info->non_cfg_phy[IWM_RX_INFO_ENERGY_ANT_ABC_IDX]);
3103 energy_a = (val & IWM_RX_INFO_ENERGY_ANT_A_MSK) >>
3104 IWM_RX_INFO_ENERGY_ANT_A_POS;
3105 energy_a = energy_a ? -energy_a : -256;
3106 energy_b = (val & IWM_RX_INFO_ENERGY_ANT_B_MSK) >>
3107 IWM_RX_INFO_ENERGY_ANT_B_POS;
3108 energy_b = energy_b ? -energy_b : -256;
3109 energy_c = (val & IWM_RX_INFO_ENERGY_ANT_C_MSK) >>
3110 IWM_RX_INFO_ENERGY_ANT_C_POS;
3111 energy_c = energy_c ? -energy_c : -256;
3112 max_energy = MAX(energy_a, energy_b);
3113 max_energy = MAX(max_energy, energy_c);
3115 IWM_DPRINTF(sc, IWM_DEBUG_RECV,
3116 "energy In A %d B %d C %d , and max %d\n",
3117 energy_a, energy_b, energy_c, max_energy);
3123 iwm_mvm_rx_rx_phy_cmd(struct iwm_softc *sc,
3124 struct iwm_rx_packet *pkt, struct iwm_rx_data *data)
3126 struct iwm_rx_phy_info *phy_info = (void *)pkt->data;
3128 IWM_DPRINTF(sc, IWM_DEBUG_RECV, "received PHY stats\n");
3129 bus_dmamap_sync(sc->rxq.data_dmat, data->map, BUS_DMASYNC_POSTREAD);
3131 memcpy(&sc->sc_last_phy_info, phy_info, sizeof(sc->sc_last_phy_info));
3135 * Retrieve the average noise (in dBm) among receivers.
3138 iwm_get_noise(struct iwm_softc *sc,
3139 const struct iwm_mvm_statistics_rx_non_phy *stats)
3141 int i, total, nbant, noise;
3143 total = nbant = noise = 0;
3144 for (i = 0; i < 3; i++) {
3145 noise = le32toh(stats->beacon_silence_rssi[i]) & 0xff;
3146 IWM_DPRINTF(sc, IWM_DEBUG_RECV, "%s: i=%d, noise=%d\n",
3157 IWM_DPRINTF(sc, IWM_DEBUG_RECV, "%s: nbant=%d, total=%d\n",
3158 __func__, nbant, total);
3160 /* There should be at least one antenna but check anyway. */
3161 return (nbant == 0) ? -127 : (total / nbant) - 107;
3163 /* For now, just hard-code it to -96 to be safe */
3169 * iwm_mvm_rx_rx_mpdu - IWM_REPLY_RX_MPDU_CMD handler
3171 * Handles the actual data of the Rx packet from the fw
3174 iwm_mvm_rx_rx_mpdu(struct iwm_softc *sc, struct mbuf *m)
3176 struct ieee80211com *ic = &sc->sc_ic;
3177 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3178 struct ieee80211_frame *wh;
3179 struct ieee80211_node *ni;
3180 struct ieee80211_rx_stats rxs;
3181 struct iwm_rx_phy_info *phy_info;
3182 struct iwm_rx_mpdu_res_start *rx_res;
3183 struct iwm_rx_packet *pkt = mtod(m, struct iwm_rx_packet *);
3185 uint32_t rx_pkt_status;
3188 phy_info = &sc->sc_last_phy_info;
3189 rx_res = (struct iwm_rx_mpdu_res_start *)pkt->data;
3190 wh = (struct ieee80211_frame *)(pkt->data + sizeof(*rx_res));
3191 len = le16toh(rx_res->byte_count);
3192 rx_pkt_status = le32toh(*(uint32_t *)(pkt->data + sizeof(*rx_res) + len));
3194 if (__predict_false(phy_info->cfg_phy_cnt > 20)) {
3195 device_printf(sc->sc_dev,
3196 "dsp size out of range [0,20]: %d\n",
3197 phy_info->cfg_phy_cnt);
3201 if (!(rx_pkt_status & IWM_RX_MPDU_RES_STATUS_CRC_OK) ||
3202 !(rx_pkt_status & IWM_RX_MPDU_RES_STATUS_OVERRUN_OK)) {
3203 IWM_DPRINTF(sc, IWM_DEBUG_RECV,
3204 "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status);
3208 rssi = iwm_mvm_get_signal_strength(sc, phy_info);
3210 /* Map it to relative value */
3211 rssi = rssi - sc->sc_noise;
3213 /* replenish ring for the buffer we're going to feed to the sharks */
3214 if (iwm_rx_addbuf(sc, IWM_RBUF_SIZE, sc->rxq.cur) != 0) {
3215 device_printf(sc->sc_dev, "%s: unable to add more buffers\n",
3220 m->m_data = pkt->data + sizeof(*rx_res);
3221 m->m_pkthdr.len = m->m_len = len;
3223 IWM_DPRINTF(sc, IWM_DEBUG_RECV,
3224 "%s: rssi=%d, noise=%d\n", __func__, rssi, sc->sc_noise);
3226 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
3228 IWM_DPRINTF(sc, IWM_DEBUG_RECV,
3229 "%s: phy_info: channel=%d, flags=0x%08x\n",
3231 le16toh(phy_info->channel),
3232 le16toh(phy_info->phy_flags));
3235 * Populate an RX state struct with the provided information.
3237 bzero(&rxs, sizeof(rxs));
3238 rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
3239 rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
3240 rxs.c_ieee = le16toh(phy_info->channel);
3241 if (le16toh(phy_info->phy_flags & IWM_RX_RES_PHY_FLAGS_BAND_24)) {
3242 rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ);
3244 rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_5GHZ);
3247 /* rssi is in 1/2db units */
3248 rxs.c_rssi = rssi * 2;
3249 rxs.c_nf = sc->sc_noise;
3250 if (ieee80211_add_rx_params(m, &rxs) == 0) {
3252 ieee80211_free_node(ni);
3256 if (ieee80211_radiotap_active_vap(vap)) {
3257 struct iwm_rx_radiotap_header *tap = &sc->sc_rxtap;
3260 if (phy_info->phy_flags & htole16(IWM_PHY_INFO_FLAG_SHPREAMBLE))
3261 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3262 tap->wr_chan_freq = htole16(rxs.c_freq);
3263 /* XXX only if ic->ic_curchan->ic_ieee == rxs.c_ieee */
3264 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
3265 tap->wr_dbm_antsignal = (int8_t)rssi;
3266 tap->wr_dbm_antnoise = (int8_t)sc->sc_noise;
3267 tap->wr_tsft = phy_info->system_timestamp;
3268 switch (phy_info->rate) {
3270 case 10: tap->wr_rate = 2; break;
3271 case 20: tap->wr_rate = 4; break;
3272 case 55: tap->wr_rate = 11; break;
3273 case 110: tap->wr_rate = 22; break;
3275 case 0xd: tap->wr_rate = 12; break;
3276 case 0xf: tap->wr_rate = 18; break;
3277 case 0x5: tap->wr_rate = 24; break;
3278 case 0x7: tap->wr_rate = 36; break;
3279 case 0x9: tap->wr_rate = 48; break;
3280 case 0xb: tap->wr_rate = 72; break;
3281 case 0x1: tap->wr_rate = 96; break;
3282 case 0x3: tap->wr_rate = 108; break;
3283 /* Unknown rate: should not happen. */
3284 default: tap->wr_rate = 0;
3290 IWM_DPRINTF(sc, IWM_DEBUG_RECV, "input m %p\n", m);
3291 ieee80211_input_mimo(ni, m);
3292 ieee80211_free_node(ni);
3294 IWM_DPRINTF(sc, IWM_DEBUG_RECV, "inputall m %p\n", m);
3295 ieee80211_input_mimo_all(ic, m);
3302 counter_u64_add(ic->ic_ierrors, 1);
3306 iwm_mvm_rx_tx_cmd_single(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
3307 struct iwm_node *in)
3309 struct iwm_mvm_tx_resp *tx_resp = (void *)pkt->data;
3310 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs;
3311 struct ieee80211_node *ni = &in->in_ni;
3312 int status = le16toh(tx_resp->status.status) & IWM_TX_STATUS_MSK;
3314 KASSERT(tx_resp->frame_count == 1, ("too many frames"));
3316 /* Update rate control statistics. */
3317 IWM_DPRINTF(sc, IWM_DEBUG_XMIT, "%s: status=0x%04x, seq=%d, fc=%d, btc=%d, frts=%d, ff=%d, irate=%08x, wmt=%d\n",
3319 (int) le16toh(tx_resp->status.status),
3320 (int) le16toh(tx_resp->status.sequence),
3321 tx_resp->frame_count,
3322 tx_resp->bt_kill_count,
3323 tx_resp->failure_rts,
3324 tx_resp->failure_frame,
3325 le32toh(tx_resp->initial_rate),
3326 (int) le16toh(tx_resp->wireless_media_time));
3328 txs->flags = IEEE80211_RATECTL_STATUS_SHORT_RETRY |
3329 IEEE80211_RATECTL_STATUS_LONG_RETRY;
3330 txs->short_retries = tx_resp->failure_rts;
3331 txs->long_retries = tx_resp->failure_frame;
3332 if (status != IWM_TX_STATUS_SUCCESS &&
3333 status != IWM_TX_STATUS_DIRECT_DONE) {
3335 case IWM_TX_STATUS_FAIL_SHORT_LIMIT:
3336 txs->status = IEEE80211_RATECTL_TX_FAIL_SHORT;
3338 case IWM_TX_STATUS_FAIL_LONG_LIMIT:
3339 txs->status = IEEE80211_RATECTL_TX_FAIL_LONG;
3341 case IWM_TX_STATUS_FAIL_LIFE_EXPIRE:
3342 txs->status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
3345 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
3349 txs->status = IEEE80211_RATECTL_TX_SUCCESS;
3351 ieee80211_ratectl_tx_complete(ni, txs);
3353 return (txs->status != IEEE80211_RATECTL_TX_SUCCESS);
3357 iwm_mvm_rx_tx_cmd(struct iwm_softc *sc,
3358 struct iwm_rx_packet *pkt, struct iwm_rx_data *data)
3360 struct iwm_cmd_header *cmd_hdr = &pkt->hdr;
3361 int idx = cmd_hdr->idx;
3362 int qid = cmd_hdr->qid;
3363 struct iwm_tx_ring *ring = &sc->txq[qid];
3364 struct iwm_tx_data *txd = &ring->data[idx];
3365 struct iwm_node *in = txd->in;
3366 struct mbuf *m = txd->m;
3369 KASSERT(txd->done == 0, ("txd not done"));
3370 KASSERT(txd->in != NULL, ("txd without node"));
3371 KASSERT(txd->m != NULL, ("txd without mbuf"));
3373 bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD);
3375 sc->sc_tx_timer = 0;
3377 status = iwm_mvm_rx_tx_cmd_single(sc, pkt, in);
3379 /* Unmap and free mbuf. */
3380 bus_dmamap_sync(ring->data_dmat, txd->map, BUS_DMASYNC_POSTWRITE);
3381 bus_dmamap_unload(ring->data_dmat, txd->map);
3383 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
3384 "free txd %p, in %p\n", txd, txd->in);
3389 ieee80211_tx_complete(&in->in_ni, m, status);
3391 if (--ring->queued < IWM_TX_RING_LOMARK) {
3392 sc->qfullmsk &= ~(1 << ring->qid);
3393 if (sc->qfullmsk == 0) {
3404 * Process a "command done" firmware notification. This is where we wakeup
3405 * processes waiting for a synchronous command completion.
3409 iwm_cmd_done(struct iwm_softc *sc, struct iwm_rx_packet *pkt)
3411 struct iwm_tx_ring *ring = &sc->txq[IWM_MVM_CMD_QUEUE];
3412 struct iwm_tx_data *data;
3414 if (pkt->hdr.qid != IWM_MVM_CMD_QUEUE) {
3415 return; /* Not a command ack. */
3418 /* XXX wide commands? */
3419 IWM_DPRINTF(sc, IWM_DEBUG_CMD,
3420 "cmd notification type 0x%x qid %d idx %d\n",
3421 pkt->hdr.code, pkt->hdr.qid, pkt->hdr.idx);
3423 data = &ring->data[pkt->hdr.idx];
3425 /* If the command was mapped in an mbuf, free it. */
3426 if (data->m != NULL) {
3427 bus_dmamap_sync(ring->data_dmat, data->map,
3428 BUS_DMASYNC_POSTWRITE);
3429 bus_dmamap_unload(ring->data_dmat, data->map);
3433 wakeup(&ring->desc[pkt->hdr.idx]);
3435 if (((pkt->hdr.idx + ring->queued) % IWM_TX_RING_COUNT) != ring->cur) {
3436 device_printf(sc->sc_dev,
3437 "%s: Some HCMDs skipped?: idx=%d queued=%d cur=%d\n",
3438 __func__, pkt->hdr.idx, ring->queued, ring->cur);
3439 /* XXX call iwm_force_nmi() */
3442 KASSERT(ring->queued > 0, ("ring->queued is empty?"));
3444 if (ring->queued == 0)
3445 iwm_pcie_clear_cmd_in_flight(sc);
3450 * necessary only for block ack mode
3453 iwm_update_sched(struct iwm_softc *sc, int qid, int idx, uint8_t sta_id,
3456 struct iwm_agn_scd_bc_tbl *scd_bc_tbl;
3459 scd_bc_tbl = sc->sched_dma.vaddr;
3461 len += 8; /* magic numbers came naturally from paris */
3462 if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_DW_BC_TABLE)
3463 len = roundup(len, 4) / 4;
3465 w_val = htole16(sta_id << 12 | len);
3467 /* Update TX scheduler. */
3468 scd_bc_tbl[qid].tfd_offset[idx] = w_val;
3469 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
3470 BUS_DMASYNC_PREWRITE);
3472 /* I really wonder what this is ?!? */
3473 if (idx < IWM_TFD_QUEUE_SIZE_BC_DUP) {
3474 scd_bc_tbl[qid].tfd_offset[IWM_TFD_QUEUE_SIZE_MAX + idx] = w_val;
3475 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
3476 BUS_DMASYNC_PREWRITE);
3482 * Take an 802.11 (non-n) rate, find the relevant rate
3483 * table entry. return the index into in_ridx[].
3485 * The caller then uses that index back into in_ridx
3486 * to figure out the rate index programmed /into/
3487 * the firmware for this given node.
3490 iwm_tx_rateidx_lookup(struct iwm_softc *sc, struct iwm_node *in,
3496 for (i = 0; i < nitems(in->in_ridx); i++) {
3497 r = iwm_rates[in->in_ridx[i]].rate;
3502 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TXRATE,
3503 "%s: couldn't find an entry for rate=%d\n",
3507 /* XXX Return the first */
3508 /* XXX TODO: have it return the /lowest/ */
3513 iwm_tx_rateidx_global_lookup(struct iwm_softc *sc, uint8_t rate)
3517 for (i = 0; i < nitems(iwm_rates); i++) {
3518 if (iwm_rates[i].rate == rate)
3522 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TXRATE,
3523 "%s: couldn't find an entry for rate=%d\n",
3530 * Fill in the rate related information for a transmit command.
3532 static const struct iwm_rate *
3533 iwm_tx_fill_cmd(struct iwm_softc *sc, struct iwm_node *in,
3534 struct mbuf *m, struct iwm_tx_cmd *tx)
3536 struct ieee80211_node *ni = &in->in_ni;
3537 struct ieee80211_frame *wh;
3538 const struct ieee80211_txparam *tp = ni->ni_txparms;
3539 const struct iwm_rate *rinfo;
3541 int ridx, rate_flags;
3543 wh = mtod(m, struct ieee80211_frame *);
3544 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3546 tx->rts_retry_limit = IWM_RTS_DFAULT_RETRY_LIMIT;
3547 tx->data_retry_limit = IWM_DEFAULT_TX_RETRY;
3549 if (type == IEEE80211_FC0_TYPE_MGT ||
3550 type == IEEE80211_FC0_TYPE_CTL ||
3551 (m->m_flags & M_EAPOL) != 0) {
3552 ridx = iwm_tx_rateidx_global_lookup(sc, tp->mgmtrate);
3553 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
3554 "%s: MGT (%d)\n", __func__, tp->mgmtrate);
3555 } else if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3556 ridx = iwm_tx_rateidx_global_lookup(sc, tp->mcastrate);
3557 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
3558 "%s: MCAST (%d)\n", __func__, tp->mcastrate);
3559 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
3560 ridx = iwm_tx_rateidx_global_lookup(sc, tp->ucastrate);
3561 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
3562 "%s: FIXED_RATE (%d)\n", __func__, tp->ucastrate);
3566 /* for data frames, use RS table */
3567 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE, "%s: DATA\n", __func__);
3568 /* XXX pass pktlen */
3569 (void) ieee80211_ratectl_rate(ni, NULL, 0);
3570 i = iwm_tx_rateidx_lookup(sc, in, ni->ni_txrate);
3571 ridx = in->in_ridx[i];
3573 /* This is the index into the programmed table */
3574 tx->initial_rate_index = i;
3575 tx->tx_flags |= htole32(IWM_TX_CMD_FLG_STA_RATE);
3577 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TXRATE,
3578 "%s: start with i=%d, txrate %d\n",
3579 __func__, i, iwm_rates[ridx].rate);
3582 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TXRATE,
3583 "%s: frame type=%d txrate %d\n",
3584 __func__, type, iwm_rates[ridx].rate);
3586 rinfo = &iwm_rates[ridx];
3588 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE, "%s: ridx=%d; rate=%d, CCK=%d\n",
3591 !! (IWM_RIDX_IS_CCK(ridx))
3594 /* XXX TODO: hard-coded TX antenna? */
3595 rate_flags = 1 << IWM_RATE_MCS_ANT_POS;
3596 if (IWM_RIDX_IS_CCK(ridx))
3597 rate_flags |= IWM_RATE_MCS_CCK_MSK;
3598 tx->rate_n_flags = htole32(rate_flags | rinfo->plcp);
3605 iwm_tx(struct iwm_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int ac)
3607 struct ieee80211com *ic = &sc->sc_ic;
3608 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3609 struct iwm_node *in = IWM_NODE(ni);
3610 struct iwm_tx_ring *ring;
3611 struct iwm_tx_data *data;
3612 struct iwm_tfd *desc;
3613 struct iwm_device_cmd *cmd;
3614 struct iwm_tx_cmd *tx;
3615 struct ieee80211_frame *wh;
3616 struct ieee80211_key *k = NULL;
3618 const struct iwm_rate *rinfo;
3621 bus_dma_segment_t *seg, segs[IWM_MAX_SCATTER];
3624 int i, totlen, error, pad;
3626 wh = mtod(m, struct ieee80211_frame *);
3627 hdrlen = ieee80211_anyhdrsize(wh);
3628 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3630 ring = &sc->txq[ac];
3631 desc = &ring->desc[ring->cur];
3632 memset(desc, 0, sizeof(*desc));
3633 data = &ring->data[ring->cur];
3635 /* Fill out iwm_tx_cmd to send to the firmware */
3636 cmd = &ring->cmd[ring->cur];
3637 cmd->hdr.code = IWM_TX_CMD;
3639 cmd->hdr.qid = ring->qid;
3640 cmd->hdr.idx = ring->cur;
3642 tx = (void *)cmd->data;
3643 memset(tx, 0, sizeof(*tx));
3645 rinfo = iwm_tx_fill_cmd(sc, in, m, tx);
3647 /* Encrypt the frame if need be. */
3648 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
3649 /* Retrieve key for TX && do software encryption. */
3650 k = ieee80211_crypto_encap(ni, m);
3655 /* 802.11 header may have moved. */
3656 wh = mtod(m, struct ieee80211_frame *);
3659 if (ieee80211_radiotap_active_vap(vap)) {
3660 struct iwm_tx_radiotap_header *tap = &sc->sc_txtap;
3663 tap->wt_chan_freq = htole16(ni->ni_chan->ic_freq);
3664 tap->wt_chan_flags = htole16(ni->ni_chan->ic_flags);
3665 tap->wt_rate = rinfo->rate;
3667 tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP;
3668 ieee80211_radiotap_tx(vap, m);
3672 totlen = m->m_pkthdr.len;
3675 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3676 flags |= IWM_TX_CMD_FLG_ACK;
3679 if (type == IEEE80211_FC0_TYPE_DATA
3680 && (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
3681 && !IEEE80211_IS_MULTICAST(wh->i_addr1)) {
3682 flags |= IWM_TX_CMD_FLG_PROT_REQUIRE;
3685 if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
3686 type != IEEE80211_FC0_TYPE_DATA)
3687 tx->sta_id = sc->sc_aux_sta.sta_id;
3689 tx->sta_id = IWM_STATION_ID;
3691 if (type == IEEE80211_FC0_TYPE_MGT) {
3692 uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
3694 if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ ||
3695 subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) {
3696 tx->pm_frame_timeout = htole16(IWM_PM_FRAME_ASSOC);
3697 } else if (subtype == IEEE80211_FC0_SUBTYPE_ACTION) {
3698 tx->pm_frame_timeout = htole16(IWM_PM_FRAME_NONE);
3700 tx->pm_frame_timeout = htole16(IWM_PM_FRAME_MGMT);
3703 tx->pm_frame_timeout = htole16(IWM_PM_FRAME_NONE);
3707 /* First segment length must be a multiple of 4. */
3708 flags |= IWM_TX_CMD_FLG_MH_PAD;
3709 pad = 4 - (hdrlen & 3);
3713 tx->driver_txop = 0;
3714 tx->next_frame_len = 0;
3716 tx->len = htole16(totlen);
3717 tx->tid_tspec = tid;
3718 tx->life_time = htole32(IWM_TX_CMD_LIFE_TIME_INFINITE);
3720 /* Set physical address of "scratch area". */
3721 tx->dram_lsb_ptr = htole32(data->scratch_paddr);
3722 tx->dram_msb_ptr = iwm_get_dma_hi_addr(data->scratch_paddr);
3724 /* Copy 802.11 header in TX command. */
3725 memcpy(((uint8_t *)tx) + sizeof(*tx), wh, hdrlen);
3727 flags |= IWM_TX_CMD_FLG_BT_DIS | IWM_TX_CMD_FLG_SEQ_CTL;
3730 tx->tx_flags |= htole32(flags);
3732 /* Trim 802.11 header. */
3734 error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, m,
3735 segs, &nsegs, BUS_DMA_NOWAIT);
3737 if (error != EFBIG) {
3738 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n",
3743 /* Too many DMA segments, linearize mbuf. */
3744 m1 = m_collapse(m, M_NOWAIT, IWM_MAX_SCATTER - 2);
3746 device_printf(sc->sc_dev,
3747 "%s: could not defrag mbuf\n", __func__);
3753 error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, m,
3754 segs, &nsegs, BUS_DMA_NOWAIT);
3756 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n",
3766 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
3767 "sending txd %p, in %p\n", data, data->in);
3768 KASSERT(data->in != NULL, ("node is NULL"));
3770 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
3771 "sending data: qid=%d idx=%d len=%d nsegs=%d txflags=0x%08x rate_n_flags=0x%08x rateidx=%u\n",
3772 ring->qid, ring->cur, totlen, nsegs,
3773 le32toh(tx->tx_flags),
3774 le32toh(tx->rate_n_flags),
3775 tx->initial_rate_index
3778 /* Fill TX descriptor. */
3779 desc->num_tbs = 2 + nsegs;
3781 desc->tbs[0].lo = htole32(data->cmd_paddr);
3782 desc->tbs[0].hi_n_len = htole16(iwm_get_dma_hi_addr(data->cmd_paddr)) |
3784 desc->tbs[1].lo = htole32(data->cmd_paddr + TB0_SIZE);
3785 desc->tbs[1].hi_n_len = htole16(iwm_get_dma_hi_addr(data->cmd_paddr)) |
3786 ((sizeof(struct iwm_cmd_header) + sizeof(*tx)
3787 + hdrlen + pad - TB0_SIZE) << 4);
3789 /* Other DMA segments are for data payload. */
3790 for (i = 0; i < nsegs; i++) {
3792 desc->tbs[i+2].lo = htole32(seg->ds_addr);
3793 desc->tbs[i+2].hi_n_len = \
3794 htole16(iwm_get_dma_hi_addr(seg->ds_addr))
3795 | ((seg->ds_len) << 4);
3798 bus_dmamap_sync(ring->data_dmat, data->map,
3799 BUS_DMASYNC_PREWRITE);
3800 bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map,
3801 BUS_DMASYNC_PREWRITE);
3802 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
3803 BUS_DMASYNC_PREWRITE);
3806 iwm_update_sched(sc, ring->qid, ring->cur, tx->sta_id, le16toh(tx->len));
3810 ring->cur = (ring->cur + 1) % IWM_TX_RING_COUNT;
3811 IWM_WRITE(sc, IWM_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
3813 /* Mark TX ring as full if we reach a certain threshold. */
3814 if (++ring->queued > IWM_TX_RING_HIMARK) {
3815 sc->qfullmsk |= 1 << ring->qid;
3822 iwm_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
3823 const struct ieee80211_bpf_params *params)
3825 struct ieee80211com *ic = ni->ni_ic;
3826 struct iwm_softc *sc = ic->ic_softc;
3829 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
3830 "->%s begin\n", __func__);
3832 if ((sc->sc_flags & IWM_FLAG_HW_INITED) == 0) {
3834 IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
3835 "<-%s not RUNNING\n", __func__);
3841 if (params == NULL) {
3842 error = iwm_tx(sc, m, ni, 0);
3844 error = iwm_tx(sc, m, ni, 0);
3846 sc->sc_tx_timer = 5;
3857 * Note that there are transports that buffer frames before they reach
3858 * the firmware. This means that after flush_tx_path is called, the
3859 * queue might not be empty. The race-free way to handle this is to:
3860 * 1) set the station as draining
3861 * 2) flush the Tx path
3862 * 3) wait for the transport queues to be empty
3865 iwm_mvm_flush_tx_path(struct iwm_softc *sc, uint32_t tfd_msk, uint32_t flags)
3868 struct iwm_tx_path_flush_cmd flush_cmd = {
3869 .queues_ctl = htole32(tfd_msk),
3870 .flush_ctl = htole16(IWM_DUMP_TX_FIFO_FLUSH),
3873 ret = iwm_mvm_send_cmd_pdu(sc, IWM_TXPATH_FLUSH, flags,
3874 sizeof(flush_cmd), &flush_cmd);
3876 device_printf(sc->sc_dev,
3877 "Flushing tx queue failed: %d\n", ret);
3886 iwm_mvm_send_add_sta_cmd_status(struct iwm_softc *sc,
3887 struct iwm_mvm_add_sta_cmd *cmd, int *status)
3889 return iwm_mvm_send_cmd_pdu_status(sc, IWM_ADD_STA, sizeof(*cmd),
3893 /* send station add/update command to firmware */
3895 iwm_mvm_sta_send_to_fw(struct iwm_softc *sc, struct iwm_node *in, int update)
3897 struct iwm_mvm_add_sta_cmd add_sta_cmd;
3901 memset(&add_sta_cmd, 0, sizeof(add_sta_cmd));
3903 add_sta_cmd.sta_id = IWM_STATION_ID;
3904 add_sta_cmd.mac_id_n_color
3905 = htole32(IWM_FW_CMD_ID_AND_COLOR(IWM_DEFAULT_MACID,
3906 IWM_DEFAULT_COLOR));
3909 for (ac = 0; ac < WME_NUM_AC; ac++) {
3910 add_sta_cmd.tfd_queue_msk |=
3911 htole32(1 << iwm_mvm_ac_to_tx_fifo[ac]);
3913 IEEE80211_ADDR_COPY(&add_sta_cmd.addr, in->in_ni.ni_bssid);
3915 add_sta_cmd.add_modify = update ? 1 : 0;
3916 add_sta_cmd.station_flags_msk
3917 |= htole32(IWM_STA_FLG_FAT_EN_MSK | IWM_STA_FLG_MIMO_EN_MSK);
3918 add_sta_cmd.tid_disable_tx = htole16(0xffff);
3920 add_sta_cmd.modify_mask |= (IWM_STA_MODIFY_TID_DISABLE_TX);
3922 status = IWM_ADD_STA_SUCCESS;
3923 ret = iwm_mvm_send_add_sta_cmd_status(sc, &add_sta_cmd, &status);
3928 case IWM_ADD_STA_SUCCESS:
3932 device_printf(sc->sc_dev, "IWM_ADD_STA failed\n");
3940 iwm_mvm_add_sta(struct iwm_softc *sc, struct iwm_node *in)
3942 return iwm_mvm_sta_send_to_fw(sc, in, 0);
3946 iwm_mvm_update_sta(struct iwm_softc *sc, struct iwm_node *in)
3948 return iwm_mvm_sta_send_to_fw(sc, in, 1);
3952 iwm_mvm_add_int_sta_common(struct iwm_softc *sc, struct iwm_int_sta *sta,
3953 const uint8_t *addr, uint16_t mac_id, uint16_t color)
3955 struct iwm_mvm_add_sta_cmd cmd;
3959 memset(&cmd, 0, sizeof(cmd));
3960 cmd.sta_id = sta->sta_id;
3961 cmd.mac_id_n_color = htole32(IWM_FW_CMD_ID_AND_COLOR(mac_id, color));
3963 cmd.tfd_queue_msk = htole32(sta->tfd_queue_msk);
3964 cmd.tid_disable_tx = htole16(0xffff);
3967 IEEE80211_ADDR_COPY(cmd.addr, addr);
3969 ret = iwm_mvm_send_add_sta_cmd_status(sc, &cmd, &status);
3974 case IWM_ADD_STA_SUCCESS:
3975 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
3976 "%s: Internal station added.\n", __func__);
3979 device_printf(sc->sc_dev,
3980 "%s: Add internal station failed, status=0x%x\n",
3989 iwm_mvm_add_aux_sta(struct iwm_softc *sc)
3993 sc->sc_aux_sta.sta_id = IWM_AUX_STA_ID;
3994 sc->sc_aux_sta.tfd_queue_msk = (1 << IWM_MVM_AUX_QUEUE);
3996 ret = iwm_enable_txq(sc, 0, IWM_MVM_AUX_QUEUE, IWM_MVM_TX_FIFO_MCAST);
4000 ret = iwm_mvm_add_int_sta_common(sc,
4001 &sc->sc_aux_sta, NULL, IWM_MAC_INDEX_AUX, 0);
4004 memset(&sc->sc_aux_sta, 0, sizeof(sc->sc_aux_sta));
4017 iwm_mvm_update_quotas(struct iwm_softc *sc, struct iwm_node *in)
4019 struct iwm_time_quota_cmd cmd;
4020 int i, idx, ret, num_active_macs, quota, quota_rem;
4021 int colors[IWM_MAX_BINDINGS] = { -1, -1, -1, -1, };
4022 int n_ifs[IWM_MAX_BINDINGS] = {0, };
4025 memset(&cmd, 0, sizeof(cmd));
4027 /* currently, PHY ID == binding ID */
4029 id = in->in_phyctxt->id;
4030 KASSERT(id < IWM_MAX_BINDINGS, ("invalid id"));
4031 colors[id] = in->in_phyctxt->color;
4038 * The FW's scheduling session consists of
4039 * IWM_MVM_MAX_QUOTA fragments. Divide these fragments
4040 * equally between all the bindings that require quota
4042 num_active_macs = 0;
4043 for (i = 0; i < IWM_MAX_BINDINGS; i++) {
4044 cmd.quotas[i].id_and_color = htole32(IWM_FW_CTXT_INVALID);
4045 num_active_macs += n_ifs[i];
4050 if (num_active_macs) {
4051 quota = IWM_MVM_MAX_QUOTA / num_active_macs;
4052 quota_rem = IWM_MVM_MAX_QUOTA % num_active_macs;
4055 for (idx = 0, i = 0; i < IWM_MAX_BINDINGS; i++) {
4059 cmd.quotas[idx].id_and_color =
4060 htole32(IWM_FW_CMD_ID_AND_COLOR(i, colors[i]));
4062 if (n_ifs[i] <= 0) {
4063 cmd.quotas[idx].quota = htole32(0);
4064 cmd.quotas[idx].max_duration = htole32(0);
4066 cmd.quotas[idx].quota = htole32(quota * n_ifs[i]);
4067 cmd.quotas[idx].max_duration = htole32(0);
4072 /* Give the remainder of the session to the first binding */
4073 cmd.quotas[0].quota = htole32(le32toh(cmd.quotas[0].quota) + quota_rem);
4075 ret = iwm_mvm_send_cmd_pdu(sc, IWM_TIME_QUOTA_CMD, IWM_CMD_SYNC,
4078 device_printf(sc->sc_dev,
4079 "%s: Failed to send quota: %d\n", __func__, ret);
4088 * ieee80211 routines
4092 * Change to AUTH state in 80211 state machine. Roughly matches what
4093 * Linux does in bss_info_changed().
4096 iwm_auth(struct ieee80211vap *vap, struct iwm_softc *sc)
4098 struct ieee80211_node *ni;
4099 struct iwm_node *in;
4100 struct iwm_vap *iv = IWM_VAP(vap);
4105 * XXX i have a feeling that the vap node is being
4106 * freed from underneath us. Grr.
4108 ni = ieee80211_ref_node(vap->iv_bss);
4110 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_STATE,
4111 "%s: called; vap=%p, bss ni=%p\n",
4118 error = iwm_mvm_sf_config(sc, IWM_SF_FULL_ON);
4122 error = iwm_allow_mcast(vap, sc);
4124 device_printf(sc->sc_dev,
4125 "%s: failed to set multicast\n", __func__);
4130 * This is where it deviates from what Linux does.
4132 * Linux iwlwifi doesn't reset the nic each time, nor does it
4133 * call ctxt_add() here. Instead, it adds it during vap creation,
4134 * and always does a mac_ctx_changed().
4136 * The openbsd port doesn't attempt to do that - it reset things
4137 * at odd states and does the add here.
4139 * So, until the state handling is fixed (ie, we never reset
4140 * the NIC except for a firmware failure, which should drag
4141 * the NIC back to IDLE, re-setup and re-add all the mac/phy
4142 * contexts that are required), let's do a dirty hack here.
4144 if (iv->is_uploaded) {
4145 if ((error = iwm_mvm_mac_ctxt_changed(sc, vap)) != 0) {
4146 device_printf(sc->sc_dev,
4147 "%s: failed to update MAC\n", __func__);
4150 if ((error = iwm_mvm_phy_ctxt_changed(sc, &sc->sc_phyctxt[0],
4151 in->in_ni.ni_chan, 1, 1)) != 0) {
4152 device_printf(sc->sc_dev,
4153 "%s: failed update phy ctxt\n", __func__);
4156 in->in_phyctxt = &sc->sc_phyctxt[0];
4158 if ((error = iwm_mvm_binding_update(sc, in)) != 0) {
4159 device_printf(sc->sc_dev,
4160 "%s: binding update cmd\n", __func__);
4163 if ((error = iwm_mvm_update_sta(sc, in)) != 0) {
4164 device_printf(sc->sc_dev,
4165 "%s: failed to update sta\n", __func__);
4169 if ((error = iwm_mvm_mac_ctxt_add(sc, vap)) != 0) {
4170 device_printf(sc->sc_dev,
4171 "%s: failed to add MAC\n", __func__);
4174 if ((error = iwm_mvm_power_update_mac(sc)) != 0) {
4175 device_printf(sc->sc_dev,
4176 "%s: failed to update power management\n",
4180 if ((error = iwm_mvm_phy_ctxt_changed(sc, &sc->sc_phyctxt[0],
4181 in->in_ni.ni_chan, 1, 1)) != 0) {
4182 device_printf(sc->sc_dev,
4183 "%s: failed add phy ctxt!\n", __func__);
4187 in->in_phyctxt = &sc->sc_phyctxt[0];
4189 if ((error = iwm_mvm_binding_add_vif(sc, in)) != 0) {
4190 device_printf(sc->sc_dev,
4191 "%s: binding add cmd\n", __func__);
4194 if ((error = iwm_mvm_add_sta(sc, in)) != 0) {
4195 device_printf(sc->sc_dev,
4196 "%s: failed to add sta\n", __func__);
4202 * Prevent the FW from wandering off channel during association
4203 * by "protecting" the session with a time event.
4205 /* XXX duration is in units of TU, not MS */
4206 duration = IWM_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
4207 iwm_mvm_protect_session(sc, in, duration, 500 /* XXX magic number */);
4212 ieee80211_free_node(ni);
4217 iwm_assoc(struct ieee80211vap *vap, struct iwm_softc *sc)
4219 struct iwm_node *in = IWM_NODE(vap->iv_bss);
4222 if ((error = iwm_mvm_update_sta(sc, in)) != 0) {
4223 device_printf(sc->sc_dev,
4224 "%s: failed to update STA\n", __func__);
4229 if ((error = iwm_mvm_mac_ctxt_changed(sc, vap)) != 0) {
4230 device_printf(sc->sc_dev,
4231 "%s: failed to update MAC\n", __func__);
4239 iwm_release(struct iwm_softc *sc, struct iwm_node *in)
4244 * Ok, so *technically* the proper set of calls for going
4245 * from RUN back to SCAN is:
4247 * iwm_mvm_power_mac_disable(sc, in);
4248 * iwm_mvm_mac_ctxt_changed(sc, in);
4249 * iwm_mvm_rm_sta(sc, in);
4250 * iwm_mvm_update_quotas(sc, NULL);
4251 * iwm_mvm_mac_ctxt_changed(sc, in);
4252 * iwm_mvm_binding_remove_vif(sc, in);
4253 * iwm_mvm_mac_ctxt_remove(sc, in);
4255 * However, that freezes the device not matter which permutations
4256 * and modifications are attempted. Obviously, this driver is missing
4257 * something since it works in the Linux driver, but figuring out what
4258 * is missing is a little more complicated. Now, since we're going
4259 * back to nothing anyway, we'll just do a complete device reset.
4260 * Up your's, device!
4263 * Just using 0xf for the queues mask is fine as long as we only
4264 * get here from RUN state.
4267 mbufq_drain(&sc->sc_snd);
4268 iwm_mvm_flush_tx_path(sc, tfd_msk, IWM_CMD_SYNC);
4270 * We seem to get away with just synchronously sending the
4271 * IWM_TXPATH_FLUSH command.
4273 // iwm_trans_wait_tx_queue_empty(sc, tfd_msk);
4274 iwm_stop_device(sc);
4283 iwm_mvm_power_mac_disable(sc, in);
4285 if ((error = iwm_mvm_mac_ctxt_changed(sc, in)) != 0) {
4286 device_printf(sc->sc_dev, "mac ctxt change fail 1 %d\n", error);
4290 if ((error = iwm_mvm_rm_sta(sc, in)) != 0) {
4291 device_printf(sc->sc_dev, "sta remove fail %d\n", error);
4294 error = iwm_mvm_rm_sta(sc, in);
4296 iwm_mvm_update_quotas(sc, NULL);
4297 if ((error = iwm_mvm_mac_ctxt_changed(sc, in)) != 0) {
4298 device_printf(sc->sc_dev, "mac ctxt change fail 2 %d\n", error);
4301 iwm_mvm_binding_remove_vif(sc, in);
4303 iwm_mvm_mac_ctxt_remove(sc, in);
4309 static struct ieee80211_node *
4310 iwm_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
4312 return malloc(sizeof (struct iwm_node), M_80211_NODE,
4317 iwm_ridx2rate(struct ieee80211_rateset *rs, int ridx)
4322 for (i = 0; i < rs->rs_nrates; i++) {
4323 rval = (rs->rs_rates[i] & IEEE80211_RATE_VAL);
4324 if (rval == iwm_rates[ridx].rate)
4325 return rs->rs_rates[i];
4332 iwm_setrates(struct iwm_softc *sc, struct iwm_node *in)
4334 struct ieee80211_node *ni = &in->in_ni;
4335 struct iwm_lq_cmd *lq = &in->in_lq;
4336 int nrates = ni->ni_rates.rs_nrates;
4337 int i, ridx, tab = 0;
4340 if (nrates > nitems(lq->rs_table)) {
4341 device_printf(sc->sc_dev,
4342 "%s: node supports %d rates, driver handles "
4343 "only %zu\n", __func__, nrates, nitems(lq->rs_table));
4347 device_printf(sc->sc_dev,
4348 "%s: node supports 0 rates, odd!\n", __func__);
4353 * XXX .. and most of iwm_node is not initialised explicitly;
4354 * it's all just 0x0 passed to the firmware.
4357 /* first figure out which rates we should support */
4358 /* XXX TODO: this isn't 11n aware /at all/ */
4359 memset(&in->in_ridx, -1, sizeof(in->in_ridx));
4360 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
4361 "%s: nrates=%d\n", __func__, nrates);
4364 * Loop over nrates and populate in_ridx from the highest
4365 * rate to the lowest rate. Remember, in_ridx[] has
4366 * IEEE80211_RATE_MAXSIZE entries!
4368 for (i = 0; i < min(nrates, IEEE80211_RATE_MAXSIZE); i++) {
4369 int rate = ni->ni_rates.rs_rates[(nrates - 1) - i] & IEEE80211_RATE_VAL;
4371 /* Map 802.11 rate to HW rate index. */
4372 for (ridx = 0; ridx <= IWM_RIDX_MAX; ridx++)
4373 if (iwm_rates[ridx].rate == rate)
4375 if (ridx > IWM_RIDX_MAX) {
4376 device_printf(sc->sc_dev,
4377 "%s: WARNING: device rate for %d not found!\n",
4380 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
4381 "%s: rate: i: %d, rate=%d, ridx=%d\n",
4386 in->in_ridx[i] = ridx;
4390 /* then construct a lq_cmd based on those */
4391 memset(lq, 0, sizeof(*lq));
4392 lq->sta_id = IWM_STATION_ID;
4394 /* For HT, always enable RTS/CTS to avoid excessive retries. */
4395 if (ni->ni_flags & IEEE80211_NODE_HT)
4396 lq->flags |= IWM_LQ_FLAG_USE_RTS_MSK;
4399 * are these used? (we don't do SISO or MIMO)
4400 * need to set them to non-zero, though, or we get an error.
4402 lq->single_stream_ant_msk = 1;
4403 lq->dual_stream_ant_msk = 1;
4406 * Build the actual rate selection table.
4407 * The lowest bits are the rates. Additionally,
4408 * CCK needs bit 9 to be set. The rest of the bits
4409 * we add to the table select the tx antenna
4410 * Note that we add the rates in the highest rate first
4411 * (opposite of ni_rates).
4414 * XXX TODO: this should be looping over the min of nrates
4415 * and LQ_MAX_RETRY_NUM. Sigh.
4417 for (i = 0; i < nrates; i++) {
4422 txant = iwm_mvm_get_valid_tx_ant(sc);
4423 nextant = 1<<(ffs(txant)-1);
4426 nextant = iwm_mvm_get_valid_tx_ant(sc);
4429 * Map the rate id into a rate index into
4430 * our hardware table containing the
4431 * configuration to use for this rate.
4433 ridx = in->in_ridx[i];
4434 tab = iwm_rates[ridx].plcp;
4435 tab |= nextant << IWM_RATE_MCS_ANT_POS;
4436 if (IWM_RIDX_IS_CCK(ridx))
4437 tab |= IWM_RATE_MCS_CCK_MSK;
4438 IWM_DPRINTF(sc, IWM_DEBUG_TXRATE,
4439 "station rate i=%d, rate=%d, hw=%x\n",
4440 i, iwm_rates[ridx].rate, tab);
4441 lq->rs_table[i] = htole32(tab);
4443 /* then fill the rest with the lowest possible rate */
4444 for (i = nrates; i < nitems(lq->rs_table); i++) {
4445 KASSERT(tab != 0, ("invalid tab"));
4446 lq->rs_table[i] = htole32(tab);
4451 iwm_media_change(struct ifnet *ifp)
4453 struct ieee80211vap *vap = ifp->if_softc;
4454 struct ieee80211com *ic = vap->iv_ic;
4455 struct iwm_softc *sc = ic->ic_softc;
4458 error = ieee80211_media_change(ifp);
4459 if (error != ENETRESET)
4463 if (ic->ic_nrunning > 0) {
4473 iwm_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
4475 struct iwm_vap *ivp = IWM_VAP(vap);
4476 struct ieee80211com *ic = vap->iv_ic;
4477 struct iwm_softc *sc = ic->ic_softc;
4478 struct iwm_node *in;
4481 IWM_DPRINTF(sc, IWM_DEBUG_STATE,
4482 "switching state %s -> %s\n",
4483 ieee80211_state_name[vap->iv_state],
4484 ieee80211_state_name[nstate]);
4485 IEEE80211_UNLOCK(ic);
4488 if (vap->iv_state == IEEE80211_S_SCAN && nstate != vap->iv_state)
4489 iwm_led_blink_stop(sc);
4491 /* disable beacon filtering if we're hopping out of RUN */
4492 if (vap->iv_state == IEEE80211_S_RUN && nstate != vap->iv_state) {
4493 iwm_mvm_disable_beacon_filter(sc);
4495 if (((in = IWM_NODE(vap->iv_bss)) != NULL))
4498 if (nstate == IEEE80211_S_INIT) {
4501 error = ivp->iv_newstate(vap, nstate, arg);
4502 IEEE80211_UNLOCK(ic);
4504 iwm_release(sc, NULL);
4511 * It's impossible to directly go RUN->SCAN. If we iwm_release()
4512 * above then the card will be completely reinitialized,
4513 * so the driver must do everything necessary to bring the card
4514 * from INIT to SCAN.
4516 * Additionally, upon receiving deauth frame from AP,
4517 * OpenBSD 802.11 stack puts the driver in IEEE80211_S_AUTH
4518 * state. This will also fail with this driver, so bring the FSM
4519 * from IEEE80211_S_RUN to IEEE80211_S_SCAN in this case as well.
4521 * XXX TODO: fix this for FreeBSD!
4523 if (nstate == IEEE80211_S_SCAN ||
4524 nstate == IEEE80211_S_AUTH ||
4525 nstate == IEEE80211_S_ASSOC) {
4526 IWM_DPRINTF(sc, IWM_DEBUG_STATE,
4527 "Force transition to INIT; MGT=%d\n", arg);
4530 /* Always pass arg as -1 since we can't Tx right now. */
4532 * XXX arg is just ignored anyway when transitioning
4533 * to IEEE80211_S_INIT.
4535 vap->iv_newstate(vap, IEEE80211_S_INIT, -1);
4536 IWM_DPRINTF(sc, IWM_DEBUG_STATE,
4537 "Going INIT->SCAN\n");
4538 nstate = IEEE80211_S_SCAN;
4539 IEEE80211_UNLOCK(ic);
4545 case IEEE80211_S_INIT:
4548 case IEEE80211_S_AUTH:
4549 if ((error = iwm_auth(vap, sc)) != 0) {
4550 device_printf(sc->sc_dev,
4551 "%s: could not move to auth state: %d\n",
4557 case IEEE80211_S_ASSOC:
4559 * EBS may be disabled due to previous failures reported by FW.
4560 * Reset EBS status here assuming environment has been changed.
4562 sc->last_ebs_successful = TRUE;
4563 if ((error = iwm_assoc(vap, sc)) != 0) {
4564 device_printf(sc->sc_dev,
4565 "%s: failed to associate: %d\n", __func__,
4571 case IEEE80211_S_RUN:
4573 struct iwm_host_cmd cmd = {
4575 .len = { sizeof(in->in_lq), },
4576 .flags = IWM_CMD_SYNC,
4579 /* Update the association state, now we have it all */
4580 /* (eg associd comes in at this point */
4581 error = iwm_assoc(vap, sc);
4583 device_printf(sc->sc_dev,
4584 "%s: failed to update association state: %d\n",
4590 in = IWM_NODE(vap->iv_bss);
4591 iwm_mvm_enable_beacon_filter(sc, in);
4592 iwm_mvm_power_update_mac(sc);
4593 iwm_mvm_update_quotas(sc, in);
4594 iwm_setrates(sc, in);
4596 cmd.data[0] = &in->in_lq;
4597 if ((error = iwm_send_cmd(sc, &cmd)) != 0) {
4598 device_printf(sc->sc_dev,
4599 "%s: IWM_LQ_CMD failed\n", __func__);
4602 iwm_mvm_led_enable(sc);
4612 return (ivp->iv_newstate(vap, nstate, arg));
4616 iwm_endscan_cb(void *arg, int pending)
4618 struct iwm_softc *sc = arg;
4619 struct ieee80211com *ic = &sc->sc_ic;
4621 IWM_DPRINTF(sc, IWM_DEBUG_SCAN | IWM_DEBUG_TRACE,
4625 ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps));
4629 * Aging and idle timeouts for the different possible scenarios
4630 * in default configuration
4632 static const uint32_t
4633 iwm_sf_full_timeout_def[IWM_SF_NUM_SCENARIO][IWM_SF_NUM_TIMEOUT_TYPES] = {
4635 htole32(IWM_SF_SINGLE_UNICAST_AGING_TIMER_DEF),
4636 htole32(IWM_SF_SINGLE_UNICAST_IDLE_TIMER_DEF)
4639 htole32(IWM_SF_AGG_UNICAST_AGING_TIMER_DEF),
4640 htole32(IWM_SF_AGG_UNICAST_IDLE_TIMER_DEF)
4643 htole32(IWM_SF_MCAST_AGING_TIMER_DEF),
4644 htole32(IWM_SF_MCAST_IDLE_TIMER_DEF)
4647 htole32(IWM_SF_BA_AGING_TIMER_DEF),
4648 htole32(IWM_SF_BA_IDLE_TIMER_DEF)
4651 htole32(IWM_SF_TX_RE_AGING_TIMER_DEF),
4652 htole32(IWM_SF_TX_RE_IDLE_TIMER_DEF)
4657 * Aging and idle timeouts for the different possible scenarios
4658 * in single BSS MAC configuration.
4660 static const uint32_t
4661 iwm_sf_full_timeout[IWM_SF_NUM_SCENARIO][IWM_SF_NUM_TIMEOUT_TYPES] = {
4663 htole32(IWM_SF_SINGLE_UNICAST_AGING_TIMER),
4664 htole32(IWM_SF_SINGLE_UNICAST_IDLE_TIMER)
4667 htole32(IWM_SF_AGG_UNICAST_AGING_TIMER),
4668 htole32(IWM_SF_AGG_UNICAST_IDLE_TIMER)
4671 htole32(IWM_SF_MCAST_AGING_TIMER),
4672 htole32(IWM_SF_MCAST_IDLE_TIMER)
4675 htole32(IWM_SF_BA_AGING_TIMER),
4676 htole32(IWM_SF_BA_IDLE_TIMER)
4679 htole32(IWM_SF_TX_RE_AGING_TIMER),
4680 htole32(IWM_SF_TX_RE_IDLE_TIMER)
4685 iwm_mvm_fill_sf_command(struct iwm_softc *sc, struct iwm_sf_cfg_cmd *sf_cmd,
4686 struct ieee80211_node *ni)
4688 int i, j, watermark;
4690 sf_cmd->watermark[IWM_SF_LONG_DELAY_ON] = htole32(IWM_SF_W_MARK_SCAN);
4693 * If we are in association flow - check antenna configuration
4694 * capabilities of the AP station, and choose the watermark accordingly.
4697 if (ni->ni_flags & IEEE80211_NODE_HT) {
4699 if (ni->ni_rxmcs[2] != 0)
4700 watermark = IWM_SF_W_MARK_MIMO3;
4701 else if (ni->ni_rxmcs[1] != 0)
4702 watermark = IWM_SF_W_MARK_MIMO2;
4705 watermark = IWM_SF_W_MARK_SISO;
4707 watermark = IWM_SF_W_MARK_LEGACY;
4709 /* default watermark value for unassociated mode. */
4711 watermark = IWM_SF_W_MARK_MIMO2;
4713 sf_cmd->watermark[IWM_SF_FULL_ON] = htole32(watermark);
4715 for (i = 0; i < IWM_SF_NUM_SCENARIO; i++) {
4716 for (j = 0; j < IWM_SF_NUM_TIMEOUT_TYPES; j++) {
4717 sf_cmd->long_delay_timeouts[i][j] =
4718 htole32(IWM_SF_LONG_DELAY_AGING_TIMER);
4723 memcpy(sf_cmd->full_on_timeouts, iwm_sf_full_timeout,
4724 sizeof(iwm_sf_full_timeout));
4726 memcpy(sf_cmd->full_on_timeouts, iwm_sf_full_timeout_def,
4727 sizeof(iwm_sf_full_timeout_def));
4732 iwm_mvm_sf_config(struct iwm_softc *sc, enum iwm_sf_state new_state)
4734 struct ieee80211com *ic = &sc->sc_ic;
4735 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
4736 struct iwm_sf_cfg_cmd sf_cmd = {
4737 .state = htole32(IWM_SF_FULL_ON),
4741 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000)
4742 sf_cmd.state |= htole32(IWM_SF_CFG_DUMMY_NOTIF_OFF);
4744 switch (new_state) {
4746 case IWM_SF_INIT_OFF:
4747 iwm_mvm_fill_sf_command(sc, &sf_cmd, NULL);
4749 case IWM_SF_FULL_ON:
4750 iwm_mvm_fill_sf_command(sc, &sf_cmd, vap->iv_bss);
4753 IWM_DPRINTF(sc, IWM_DEBUG_PWRSAVE,
4754 "Invalid state: %d. not sending Smart Fifo cmd\n",
4759 ret = iwm_mvm_send_cmd_pdu(sc, IWM_REPLY_SF_CFG_CMD, IWM_CMD_ASYNC,
4760 sizeof(sf_cmd), &sf_cmd);
4765 iwm_send_bt_init_conf(struct iwm_softc *sc)
4767 struct iwm_bt_coex_cmd bt_cmd;
4769 bt_cmd.mode = htole32(IWM_BT_COEX_WIFI);
4770 bt_cmd.enabled_modules = htole32(IWM_BT_COEX_HIGH_BAND_RET);
4772 return iwm_mvm_send_cmd_pdu(sc, IWM_BT_CONFIG, 0, sizeof(bt_cmd),
4777 iwm_send_update_mcc_cmd(struct iwm_softc *sc, const char *alpha2)
4779 struct iwm_mcc_update_cmd mcc_cmd;
4780 struct iwm_host_cmd hcmd = {
4781 .id = IWM_MCC_UPDATE_CMD,
4782 .flags = (IWM_CMD_SYNC | IWM_CMD_WANT_SKB),
4783 .data = { &mcc_cmd },
4787 struct iwm_rx_packet *pkt;
4788 struct iwm_mcc_update_resp_v1 *mcc_resp_v1 = NULL;
4789 struct iwm_mcc_update_resp *mcc_resp;
4793 int resp_v2 = fw_has_capa(&sc->ucode_capa,
4794 IWM_UCODE_TLV_CAPA_LAR_SUPPORT_V2);
4796 memset(&mcc_cmd, 0, sizeof(mcc_cmd));
4797 mcc_cmd.mcc = htole16(alpha2[0] << 8 | alpha2[1]);
4798 if (fw_has_api(&sc->ucode_capa, IWM_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
4799 fw_has_capa(&sc->ucode_capa, IWM_UCODE_TLV_CAPA_LAR_MULTI_MCC))
4800 mcc_cmd.source_id = IWM_MCC_SOURCE_GET_CURRENT;
4802 mcc_cmd.source_id = IWM_MCC_SOURCE_OLD_FW;
4805 hcmd.len[0] = sizeof(struct iwm_mcc_update_cmd);
4807 hcmd.len[0] = sizeof(struct iwm_mcc_update_cmd_v1);
4809 IWM_DPRINTF(sc, IWM_DEBUG_NODE,
4810 "send MCC update to FW with '%c%c' src = %d\n",
4811 alpha2[0], alpha2[1], mcc_cmd.source_id);
4813 ret = iwm_send_cmd(sc, &hcmd);
4818 pkt = hcmd.resp_pkt;
4820 /* Extract MCC response */
4822 mcc_resp = (void *)pkt->data;
4823 mcc = mcc_resp->mcc;
4824 n_channels = le32toh(mcc_resp->n_channels);
4826 mcc_resp_v1 = (void *)pkt->data;
4827 mcc = mcc_resp_v1->mcc;
4828 n_channels = le32toh(mcc_resp_v1->n_channels);
4831 /* W/A for a FW/NVM issue - returns 0x00 for the world domain */
4833 mcc = 0x3030; /* "00" - world */
4835 IWM_DPRINTF(sc, IWM_DEBUG_NODE,
4836 "regulatory domain '%c%c' (%d channels available)\n",
4837 mcc >> 8, mcc & 0xff, n_channels);
4839 iwm_free_resp(sc, &hcmd);
4845 iwm_mvm_tt_tx_backoff(struct iwm_softc *sc, uint32_t backoff)
4847 struct iwm_host_cmd cmd = {
4848 .id = IWM_REPLY_THERMAL_MNG_BACKOFF,
4849 .len = { sizeof(uint32_t), },
4850 .data = { &backoff, },
4853 if (iwm_send_cmd(sc, &cmd) != 0) {
4854 device_printf(sc->sc_dev,
4855 "failed to change thermal tx backoff\n");
4860 iwm_init_hw(struct iwm_softc *sc)
4862 struct ieee80211com *ic = &sc->sc_ic;
4865 if ((error = iwm_start_hw(sc)) != 0) {
4866 printf("iwm_start_hw: failed %d\n", error);
4870 if ((error = iwm_run_init_mvm_ucode(sc, 0)) != 0) {
4871 printf("iwm_run_init_mvm_ucode: failed %d\n", error);
4876 * should stop and start HW since that INIT
4879 iwm_stop_device(sc);
4880 sc->sc_ps_disabled = FALSE;
4881 if ((error = iwm_start_hw(sc)) != 0) {
4882 device_printf(sc->sc_dev, "could not initialize hardware\n");
4886 /* omstart, this time with the regular firmware */
4887 error = iwm_mvm_load_ucode_wait_alive(sc, IWM_UCODE_REGULAR);
4889 device_printf(sc->sc_dev, "could not load firmware\n");
4893 if ((error = iwm_send_bt_init_conf(sc)) != 0) {
4894 device_printf(sc->sc_dev, "bt init conf failed\n");
4898 error = iwm_send_tx_ant_cfg(sc, iwm_mvm_get_valid_tx_ant(sc));
4900 device_printf(sc->sc_dev, "antenna config failed\n");
4904 /* Send phy db control command and then phy db calibration */
4905 if ((error = iwm_send_phy_db_data(sc->sc_phy_db)) != 0)
4908 if ((error = iwm_send_phy_cfg_cmd(sc)) != 0) {
4909 device_printf(sc->sc_dev, "phy_cfg_cmd failed\n");
4913 /* Add auxiliary station for scanning */
4914 if ((error = iwm_mvm_add_aux_sta(sc)) != 0) {
4915 device_printf(sc->sc_dev, "add_aux_sta failed\n");
4919 for (i = 0; i < IWM_NUM_PHY_CTX; i++) {
4921 * The channel used here isn't relevant as it's
4922 * going to be overwritten in the other flows.
4923 * For now use the first channel we have.
4925 if ((error = iwm_mvm_phy_ctxt_add(sc,
4926 &sc->sc_phyctxt[i], &ic->ic_channels[1], 1, 1)) != 0)
4930 /* Initialize tx backoffs to the minimum. */
4931 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_7000)
4932 iwm_mvm_tt_tx_backoff(sc, 0);
4934 error = iwm_mvm_power_update_device(sc);
4938 if (fw_has_capa(&sc->ucode_capa, IWM_UCODE_TLV_CAPA_LAR_SUPPORT)) {
4939 if ((error = iwm_send_update_mcc_cmd(sc, "ZZ")) != 0)
4943 if (fw_has_capa(&sc->ucode_capa, IWM_UCODE_TLV_CAPA_UMAC_SCAN)) {
4944 if ((error = iwm_mvm_config_umac_scan(sc)) != 0)
4948 /* Enable Tx queues. */
4949 for (ac = 0; ac < WME_NUM_AC; ac++) {
4950 error = iwm_enable_txq(sc, IWM_STATION_ID, ac,
4951 iwm_mvm_ac_to_tx_fifo[ac]);
4956 if ((error = iwm_mvm_disable_beacon_filter(sc)) != 0) {
4957 device_printf(sc->sc_dev, "failed to disable beacon filter\n");
4964 iwm_stop_device(sc);
4968 /* Allow multicast from our BSSID. */
4970 iwm_allow_mcast(struct ieee80211vap *vap, struct iwm_softc *sc)
4972 struct ieee80211_node *ni = vap->iv_bss;
4973 struct iwm_mcast_filter_cmd *cmd;
4977 size = roundup(sizeof(*cmd), 4);
4978 cmd = malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO);
4981 cmd->filter_own = 1;
4985 IEEE80211_ADDR_COPY(cmd->bssid, ni->ni_bssid);
4987 error = iwm_mvm_send_cmd_pdu(sc, IWM_MCAST_FILTER_CMD,
4988 IWM_CMD_SYNC, size, cmd);
4989 free(cmd, M_DEVBUF);
4999 iwm_init(struct iwm_softc *sc)
5003 if (sc->sc_flags & IWM_FLAG_HW_INITED) {
5006 sc->sc_generation++;
5007 sc->sc_flags &= ~IWM_FLAG_STOPPED;
5009 if ((error = iwm_init_hw(sc)) != 0) {
5010 printf("iwm_init_hw failed %d\n", error);
5016 * Ok, firmware loaded and we are jogging
5018 sc->sc_flags |= IWM_FLAG_HW_INITED;
5019 callout_reset(&sc->sc_watchdog_to, hz, iwm_watchdog, sc);
5023 iwm_transmit(struct ieee80211com *ic, struct mbuf *m)
5025 struct iwm_softc *sc;
5031 if ((sc->sc_flags & IWM_FLAG_HW_INITED) == 0) {
5035 error = mbufq_enqueue(&sc->sc_snd, m);
5046 * Dequeue packets from sendq and call send.
5049 iwm_start(struct iwm_softc *sc)
5051 struct ieee80211_node *ni;
5055 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TRACE, "->%s\n", __func__);
5056 while (sc->qfullmsk == 0 &&
5057 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
5058 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
5059 if (iwm_tx(sc, m, ni, ac) != 0) {
5060 if_inc_counter(ni->ni_vap->iv_ifp,
5061 IFCOUNTER_OERRORS, 1);
5062 ieee80211_free_node(ni);
5065 sc->sc_tx_timer = 15;
5067 IWM_DPRINTF(sc, IWM_DEBUG_XMIT | IWM_DEBUG_TRACE, "<-%s\n", __func__);
5071 iwm_stop(struct iwm_softc *sc)
5074 sc->sc_flags &= ~IWM_FLAG_HW_INITED;
5075 sc->sc_flags |= IWM_FLAG_STOPPED;
5076 sc->sc_generation++;
5077 iwm_led_blink_stop(sc);
5078 sc->sc_tx_timer = 0;
5079 iwm_stop_device(sc);
5080 sc->sc_flags &= ~IWM_FLAG_SCAN_RUNNING;
5084 iwm_watchdog(void *arg)
5086 struct iwm_softc *sc = arg;
5087 struct ieee80211com *ic = &sc->sc_ic;
5089 if (sc->sc_tx_timer > 0) {
5090 if (--sc->sc_tx_timer == 0) {
5091 device_printf(sc->sc_dev, "device timeout\n");
5095 ieee80211_restart_all(ic);
5096 counter_u64_add(sc->sc_ic.ic_oerrors, 1);
5100 callout_reset(&sc->sc_watchdog_to, hz, iwm_watchdog, sc);
5104 iwm_parent(struct ieee80211com *ic)
5106 struct iwm_softc *sc = ic->ic_softc;
5110 if (ic->ic_nrunning > 0) {
5111 if (!(sc->sc_flags & IWM_FLAG_HW_INITED)) {
5115 } else if (sc->sc_flags & IWM_FLAG_HW_INITED)
5119 ieee80211_start_all(ic);
5123 * The interrupt side of things
5127 * error dumping routines are from iwlwifi/mvm/utils.c
5131 * Note: This structure is read from the device with IO accesses,
5132 * and the reading already does the endian conversion. As it is
5133 * read with uint32_t-sized accesses, any members with a different size
5134 * need to be ordered correctly though!
5136 struct iwm_error_event_table {
5137 uint32_t valid; /* (nonzero) valid, (0) log is empty */
5138 uint32_t error_id; /* type of error */
5139 uint32_t trm_hw_status0; /* TRM HW status */
5140 uint32_t trm_hw_status1; /* TRM HW status */
5141 uint32_t blink2; /* branch link */
5142 uint32_t ilink1; /* interrupt link */
5143 uint32_t ilink2; /* interrupt link */
5144 uint32_t data1; /* error-specific data */
5145 uint32_t data2; /* error-specific data */
5146 uint32_t data3; /* error-specific data */
5147 uint32_t bcon_time; /* beacon timer */
5148 uint32_t tsf_low; /* network timestamp function timer */
5149 uint32_t tsf_hi; /* network timestamp function timer */
5150 uint32_t gp1; /* GP1 timer register */
5151 uint32_t gp2; /* GP2 timer register */
5152 uint32_t fw_rev_type; /* firmware revision type */
5153 uint32_t major; /* uCode version major */
5154 uint32_t minor; /* uCode version minor */
5155 uint32_t hw_ver; /* HW Silicon version */
5156 uint32_t brd_ver; /* HW board version */
5157 uint32_t log_pc; /* log program counter */
5158 uint32_t frame_ptr; /* frame pointer */
5159 uint32_t stack_ptr; /* stack pointer */
5160 uint32_t hcmd; /* last host command header */
5161 uint32_t isr0; /* isr status register LMPM_NIC_ISR0:
5163 uint32_t isr1; /* isr status register LMPM_NIC_ISR1:
5165 uint32_t isr2; /* isr status register LMPM_NIC_ISR2:
5167 uint32_t isr3; /* isr status register LMPM_NIC_ISR3:
5169 uint32_t isr4; /* isr status register LMPM_NIC_ISR4:
5171 uint32_t last_cmd_id; /* last HCMD id handled by the firmware */
5172 uint32_t wait_event; /* wait event() caller address */
5173 uint32_t l2p_control; /* L2pControlField */
5174 uint32_t l2p_duration; /* L2pDurationField */
5175 uint32_t l2p_mhvalid; /* L2pMhValidBits */
5176 uint32_t l2p_addr_match; /* L2pAddrMatchStat */
5177 uint32_t lmpm_pmg_sel; /* indicate which clocks are turned on
5179 uint32_t u_timestamp; /* indicate when the date and time of the
5181 uint32_t flow_handler; /* FH read/write pointers, RX credit */
5182 } __packed /* LOG_ERROR_TABLE_API_S_VER_3 */;
5185 * UMAC error struct - relevant starting from family 8000 chip.
5186 * Note: This structure is read from the device with IO accesses,
5187 * and the reading already does the endian conversion. As it is
5188 * read with u32-sized accesses, any members with a different size
5189 * need to be ordered correctly though!
5191 struct iwm_umac_error_event_table {
5192 uint32_t valid; /* (nonzero) valid, (0) log is empty */
5193 uint32_t error_id; /* type of error */
5194 uint32_t blink1; /* branch link */
5195 uint32_t blink2; /* branch link */
5196 uint32_t ilink1; /* interrupt link */
5197 uint32_t ilink2; /* interrupt link */
5198 uint32_t data1; /* error-specific data */
5199 uint32_t data2; /* error-specific data */
5200 uint32_t data3; /* error-specific data */
5201 uint32_t umac_major;
5202 uint32_t umac_minor;
5203 uint32_t frame_pointer; /* core register 27*/
5204 uint32_t stack_pointer; /* core register 28 */
5205 uint32_t cmd_header; /* latest host cmd sent to UMAC */
5206 uint32_t nic_isr_pref; /* ISR status register */
5209 #define ERROR_START_OFFSET (1 * sizeof(uint32_t))
5210 #define ERROR_ELEM_SIZE (7 * sizeof(uint32_t))
5216 } advanced_lookup[] = {
5217 { "NMI_INTERRUPT_WDG", 0x34 },
5218 { "SYSASSERT", 0x35 },
5219 { "UCODE_VERSION_MISMATCH", 0x37 },
5220 { "BAD_COMMAND", 0x38 },
5221 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
5222 { "FATAL_ERROR", 0x3D },
5223 { "NMI_TRM_HW_ERR", 0x46 },
5224 { "NMI_INTERRUPT_TRM", 0x4C },
5225 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
5226 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
5227 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
5228 { "NMI_INTERRUPT_HOST", 0x66 },
5229 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
5230 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
5231 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
5232 { "ADVANCED_SYSASSERT", 0 },
5236 iwm_desc_lookup(uint32_t num)
5240 for (i = 0; i < nitems(advanced_lookup) - 1; i++)
5241 if (advanced_lookup[i].num == num)
5242 return advanced_lookup[i].name;
5244 /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
5245 return advanced_lookup[i].name;
5249 iwm_nic_umac_error(struct iwm_softc *sc)
5251 struct iwm_umac_error_event_table table;
5254 base = sc->umac_error_event_table;
5256 if (base < 0x800000) {
5257 device_printf(sc->sc_dev, "Invalid error log pointer 0x%08x\n",
5262 if (iwm_read_mem(sc, base, &table, sizeof(table)/sizeof(uint32_t))) {
5263 device_printf(sc->sc_dev, "reading errlog failed\n");
5267 if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
5268 device_printf(sc->sc_dev, "Start UMAC Error Log Dump:\n");
5269 device_printf(sc->sc_dev, "Status: 0x%x, count: %d\n",
5270 sc->sc_flags, table.valid);
5273 device_printf(sc->sc_dev, "0x%08X | %s\n", table.error_id,
5274 iwm_desc_lookup(table.error_id));
5275 device_printf(sc->sc_dev, "0x%08X | umac branchlink1\n", table.blink1);
5276 device_printf(sc->sc_dev, "0x%08X | umac branchlink2\n", table.blink2);
5277 device_printf(sc->sc_dev, "0x%08X | umac interruptlink1\n",
5279 device_printf(sc->sc_dev, "0x%08X | umac interruptlink2\n",
5281 device_printf(sc->sc_dev, "0x%08X | umac data1\n", table.data1);
5282 device_printf(sc->sc_dev, "0x%08X | umac data2\n", table.data2);
5283 device_printf(sc->sc_dev, "0x%08X | umac data3\n", table.data3);
5284 device_printf(sc->sc_dev, "0x%08X | umac major\n", table.umac_major);
5285 device_printf(sc->sc_dev, "0x%08X | umac minor\n", table.umac_minor);
5286 device_printf(sc->sc_dev, "0x%08X | frame pointer\n",
5287 table.frame_pointer);
5288 device_printf(sc->sc_dev, "0x%08X | stack pointer\n",
5289 table.stack_pointer);
5290 device_printf(sc->sc_dev, "0x%08X | last host cmd\n", table.cmd_header);
5291 device_printf(sc->sc_dev, "0x%08X | isr status reg\n",
5292 table.nic_isr_pref);
5296 * Support for dumping the error log seemed like a good idea ...
5297 * but it's mostly hex junk and the only sensible thing is the
5298 * hw/ucode revision (which we know anyway). Since it's here,
5299 * I'll just leave it in, just in case e.g. the Intel guys want to
5300 * help us decipher some "ADVANCED_SYSASSERT" later.
5303 iwm_nic_error(struct iwm_softc *sc)
5305 struct iwm_error_event_table table;
5308 device_printf(sc->sc_dev, "dumping device error log\n");
5309 base = sc->error_event_table;
5310 if (base < 0x800000) {
5311 device_printf(sc->sc_dev,
5312 "Invalid error log pointer 0x%08x\n", base);
5316 if (iwm_read_mem(sc, base, &table, sizeof(table)/sizeof(uint32_t))) {
5317 device_printf(sc->sc_dev, "reading errlog failed\n");
5322 device_printf(sc->sc_dev, "errlog not found, skipping\n");
5326 if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
5327 device_printf(sc->sc_dev, "Start Error Log Dump:\n");
5328 device_printf(sc->sc_dev, "Status: 0x%x, count: %d\n",
5329 sc->sc_flags, table.valid);
5332 device_printf(sc->sc_dev, "0x%08X | %-28s\n", table.error_id,
5333 iwm_desc_lookup(table.error_id));
5334 device_printf(sc->sc_dev, "%08X | trm_hw_status0\n",
5335 table.trm_hw_status0);
5336 device_printf(sc->sc_dev, "%08X | trm_hw_status1\n",
5337 table.trm_hw_status1);
5338 device_printf(sc->sc_dev, "%08X | branchlink2\n", table.blink2);
5339 device_printf(sc->sc_dev, "%08X | interruptlink1\n", table.ilink1);
5340 device_printf(sc->sc_dev, "%08X | interruptlink2\n", table.ilink2);
5341 device_printf(sc->sc_dev, "%08X | data1\n", table.data1);
5342 device_printf(sc->sc_dev, "%08X | data2\n", table.data2);
5343 device_printf(sc->sc_dev, "%08X | data3\n", table.data3);
5344 device_printf(sc->sc_dev, "%08X | beacon time\n", table.bcon_time);
5345 device_printf(sc->sc_dev, "%08X | tsf low\n", table.tsf_low);
5346 device_printf(sc->sc_dev, "%08X | tsf hi\n", table.tsf_hi);
5347 device_printf(sc->sc_dev, "%08X | time gp1\n", table.gp1);
5348 device_printf(sc->sc_dev, "%08X | time gp2\n", table.gp2);
5349 device_printf(sc->sc_dev, "%08X | uCode revision type\n",
5351 device_printf(sc->sc_dev, "%08X | uCode version major\n", table.major);
5352 device_printf(sc->sc_dev, "%08X | uCode version minor\n", table.minor);
5353 device_printf(sc->sc_dev, "%08X | hw version\n", table.hw_ver);
5354 device_printf(sc->sc_dev, "%08X | board version\n", table.brd_ver);
5355 device_printf(sc->sc_dev, "%08X | hcmd\n", table.hcmd);
5356 device_printf(sc->sc_dev, "%08X | isr0\n", table.isr0);
5357 device_printf(sc->sc_dev, "%08X | isr1\n", table.isr1);
5358 device_printf(sc->sc_dev, "%08X | isr2\n", table.isr2);
5359 device_printf(sc->sc_dev, "%08X | isr3\n", table.isr3);
5360 device_printf(sc->sc_dev, "%08X | isr4\n", table.isr4);
5361 device_printf(sc->sc_dev, "%08X | last cmd Id\n", table.last_cmd_id);
5362 device_printf(sc->sc_dev, "%08X | wait_event\n", table.wait_event);
5363 device_printf(sc->sc_dev, "%08X | l2p_control\n", table.l2p_control);
5364 device_printf(sc->sc_dev, "%08X | l2p_duration\n", table.l2p_duration);
5365 device_printf(sc->sc_dev, "%08X | l2p_mhvalid\n", table.l2p_mhvalid);
5366 device_printf(sc->sc_dev, "%08X | l2p_addr_match\n", table.l2p_addr_match);
5367 device_printf(sc->sc_dev, "%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
5368 device_printf(sc->sc_dev, "%08X | timestamp\n", table.u_timestamp);
5369 device_printf(sc->sc_dev, "%08X | flow_handler\n", table.flow_handler);
5371 if (sc->umac_error_event_table)
5372 iwm_nic_umac_error(sc);
5376 #define ADVANCE_RXQ(sc) (sc->rxq.cur = (sc->rxq.cur + 1) % IWM_RX_RING_COUNT);
5379 * Process an IWM_CSR_INT_BIT_FH_RX or IWM_CSR_INT_BIT_SW_RX interrupt.
5380 * Basic structure from if_iwn
5383 iwm_notif_intr(struct iwm_softc *sc)
5385 struct ieee80211com *ic = &sc->sc_ic;
5388 bus_dmamap_sync(sc->rxq.stat_dma.tag, sc->rxq.stat_dma.map,
5389 BUS_DMASYNC_POSTREAD);
5391 hw = le16toh(sc->rxq.stat->closed_rb_num) & 0xfff;
5396 while (sc->rxq.cur != hw) {
5397 struct iwm_rx_ring *ring = &sc->rxq;
5398 struct iwm_rx_data *data = &ring->data[ring->cur];
5399 struct iwm_rx_packet *pkt;
5400 struct iwm_cmd_response *cresp;
5403 bus_dmamap_sync(ring->data_dmat, data->map,
5404 BUS_DMASYNC_POSTREAD);
5405 pkt = mtod(data->m, struct iwm_rx_packet *);
5407 qid = pkt->hdr.qid & ~0x80;
5410 code = IWM_WIDE_ID(pkt->hdr.flags, pkt->hdr.code);
5411 IWM_DPRINTF(sc, IWM_DEBUG_INTR,
5412 "rx packet qid=%d idx=%d type=%x %d %d\n",
5413 pkt->hdr.qid & ~0x80, pkt->hdr.idx, code, ring->cur, hw);
5416 * randomly get these from the firmware, no idea why.
5417 * they at least seem harmless, so just ignore them for now
5419 if (__predict_false((pkt->hdr.code == 0 && qid == 0 && idx == 0)
5420 || pkt->len_n_flags == htole32(0x55550000))) {
5425 iwm_notification_wait_notify(sc->sc_notif_wait, code, pkt);
5428 case IWM_REPLY_RX_PHY_CMD:
5429 iwm_mvm_rx_rx_phy_cmd(sc, pkt, data);
5432 case IWM_REPLY_RX_MPDU_CMD:
5433 iwm_mvm_rx_rx_mpdu(sc, data->m);
5437 iwm_mvm_rx_tx_cmd(sc, pkt, data);
5440 case IWM_MISSED_BEACONS_NOTIFICATION: {
5441 struct iwm_missed_beacons_notif *resp;
5444 /* XXX look at mac_id to determine interface ID */
5445 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
5447 resp = (void *)pkt->data;
5448 missed = le32toh(resp->consec_missed_beacons);
5450 IWM_DPRINTF(sc, IWM_DEBUG_BEACON | IWM_DEBUG_STATE,
5451 "%s: MISSED_BEACON: mac_id=%d, "
5452 "consec_since_last_rx=%d, consec=%d, num_expect=%d "
5455 le32toh(resp->mac_id),
5456 le32toh(resp->consec_missed_beacons_since_last_rx),
5457 le32toh(resp->consec_missed_beacons),
5458 le32toh(resp->num_expected_beacons),
5459 le32toh(resp->num_recvd_beacons));
5465 /* XXX no net80211 locking? */
5466 if (vap->iv_state == IEEE80211_S_RUN &&
5467 (ic->ic_flags & IEEE80211_F_SCAN) == 0) {
5468 if (missed > vap->iv_bmissthreshold) {
5469 /* XXX bad locking; turn into task */
5471 ieee80211_beacon_miss(ic);
5479 case IWM_MFUART_LOAD_NOTIFICATION:
5485 case IWM_CALIB_RES_NOTIF_PHY_DB:
5488 case IWM_STATISTICS_NOTIFICATION: {
5489 struct iwm_notif_statistics *stats;
5490 stats = (void *)pkt->data;
5491 memcpy(&sc->sc_stats, stats, sizeof(sc->sc_stats));
5492 sc->sc_noise = iwm_get_noise(sc, &stats->rx.general);
5496 case IWM_NVM_ACCESS_CMD:
5497 case IWM_MCC_UPDATE_CMD:
5498 if (sc->sc_wantresp == ((qid << 16) | idx)) {
5499 memcpy(sc->sc_cmd_resp,
5500 pkt, sizeof(sc->sc_cmd_resp));
5504 case IWM_MCC_CHUB_UPDATE_CMD: {
5505 struct iwm_mcc_chub_notif *notif;
5506 notif = (void *)pkt->data;
5508 sc->sc_fw_mcc[0] = (notif->mcc & 0xff00) >> 8;
5509 sc->sc_fw_mcc[1] = notif->mcc & 0xff;
5510 sc->sc_fw_mcc[2] = '\0';
5511 IWM_DPRINTF(sc, IWM_DEBUG_RESET,
5512 "fw source %d sent CC '%s'\n",
5513 notif->source_id, sc->sc_fw_mcc);
5517 case IWM_DTS_MEASUREMENT_NOTIFICATION:
5518 case IWM_WIDE_ID(IWM_PHY_OPS_GROUP,
5519 IWM_DTS_MEASUREMENT_NOTIF_WIDE): {
5520 struct iwm_dts_measurement_notif_v1 *notif;
5522 if (iwm_rx_packet_payload_len(pkt) < sizeof(*notif)) {
5523 device_printf(sc->sc_dev,
5524 "Invalid DTS_MEASUREMENT_NOTIFICATION\n");
5527 notif = (void *)pkt->data;
5528 IWM_DPRINTF(sc, IWM_DEBUG_TEMP,
5529 "IWM_DTS_MEASUREMENT_NOTIFICATION - %d\n",
5534 case IWM_PHY_CONFIGURATION_CMD:
5535 case IWM_TX_ANT_CONFIGURATION_CMD:
5537 case IWM_MAC_CONTEXT_CMD:
5538 case IWM_REPLY_SF_CFG_CMD:
5539 case IWM_POWER_TABLE_CMD:
5540 case IWM_PHY_CONTEXT_CMD:
5541 case IWM_BINDING_CONTEXT_CMD:
5542 case IWM_TIME_EVENT_CMD:
5543 case IWM_WIDE_ID(IWM_ALWAYS_LONG_GROUP, IWM_SCAN_CFG_CMD):
5544 case IWM_WIDE_ID(IWM_ALWAYS_LONG_GROUP, IWM_SCAN_REQ_UMAC):
5545 case IWM_SCAN_ABORT_UMAC:
5546 case IWM_SCAN_OFFLOAD_REQUEST_CMD:
5547 case IWM_SCAN_OFFLOAD_ABORT_CMD:
5548 case IWM_REPLY_BEACON_FILTERING_CMD:
5549 case IWM_MAC_PM_POWER_TABLE:
5550 case IWM_TIME_QUOTA_CMD:
5551 case IWM_REMOVE_STA:
5552 case IWM_TXPATH_FLUSH:
5554 case IWM_FW_PAGING_BLOCK_CMD:
5556 case IWM_REPLY_THERMAL_MNG_BACKOFF:
5557 cresp = (void *)pkt->data;
5558 if (sc->sc_wantresp == ((qid << 16) | idx)) {
5559 memcpy(sc->sc_cmd_resp,
5560 pkt, sizeof(*pkt)+sizeof(*cresp));
5565 case 0x6c: /* IWM_PHY_DB_CMD, no idea why it's not in fw-api.h */
5568 case IWM_INIT_COMPLETE_NOTIF:
5571 case IWM_SCAN_OFFLOAD_COMPLETE:
5572 iwm_mvm_rx_lmac_scan_complete_notif(sc, pkt);
5573 if (sc->sc_flags & IWM_FLAG_SCAN_RUNNING) {
5574 sc->sc_flags &= ~IWM_FLAG_SCAN_RUNNING;
5575 ieee80211_runtask(ic, &sc->sc_es_task);
5579 case IWM_SCAN_ITERATION_COMPLETE: {
5580 struct iwm_lmac_scan_complete_notif *notif;
5581 notif = (void *)pkt->data;
5585 case IWM_SCAN_COMPLETE_UMAC:
5586 iwm_mvm_rx_umac_scan_complete_notif(sc, pkt);
5587 if (sc->sc_flags & IWM_FLAG_SCAN_RUNNING) {
5588 sc->sc_flags &= ~IWM_FLAG_SCAN_RUNNING;
5589 ieee80211_runtask(ic, &sc->sc_es_task);
5593 case IWM_SCAN_ITERATION_COMPLETE_UMAC: {
5594 struct iwm_umac_scan_iter_complete_notif *notif;
5595 notif = (void *)pkt->data;
5597 IWM_DPRINTF(sc, IWM_DEBUG_SCAN, "UMAC scan iteration "
5598 "complete, status=0x%x, %d channels scanned\n",
5599 notif->status, notif->scanned_channels);
5603 case IWM_REPLY_ERROR: {
5604 struct iwm_error_resp *resp;
5605 resp = (void *)pkt->data;
5607 device_printf(sc->sc_dev,
5608 "firmware error 0x%x, cmd 0x%x\n",
5609 le32toh(resp->error_type),
5614 case IWM_TIME_EVENT_NOTIFICATION: {
5615 struct iwm_time_event_notif *notif;
5616 notif = (void *)pkt->data;
5618 IWM_DPRINTF(sc, IWM_DEBUG_INTR,
5619 "TE notif status = 0x%x action = 0x%x\n",
5620 notif->status, notif->action);
5624 case IWM_MCAST_FILTER_CMD:
5627 case IWM_SCD_QUEUE_CFG: {
5628 struct iwm_scd_txq_cfg_rsp *rsp;
5629 rsp = (void *)pkt->data;
5631 IWM_DPRINTF(sc, IWM_DEBUG_CMD,
5632 "queue cfg token=0x%x sta_id=%d "
5633 "tid=%d scd_queue=%d\n",
5634 rsp->token, rsp->sta_id, rsp->tid,
5640 device_printf(sc->sc_dev,
5641 "frame %d/%d %x UNHANDLED (this should "
5642 "not happen)\n", qid, idx,
5648 * Why test bit 0x80? The Linux driver:
5650 * There is one exception: uCode sets bit 15 when it
5651 * originates the response/notification, i.e. when the
5652 * response/notification is not a direct response to a
5653 * command sent by the driver. For example, uCode issues
5654 * IWM_REPLY_RX when it sends a received frame to the driver;
5655 * it is not a direct response to any driver command.
5657 * Ok, so since when is 7 == 15? Well, the Linux driver
5658 * uses a slightly different format for pkt->hdr, and "qid"
5659 * is actually the upper byte of a two-byte field.
5661 if (!(pkt->hdr.qid & (1 << 7))) {
5662 iwm_cmd_done(sc, pkt);
5669 * Tell the firmware what we have processed.
5670 * Seems like the hardware gets upset unless we align
5673 hw = (hw == 0) ? IWM_RX_RING_COUNT - 1 : hw - 1;
5674 IWM_WRITE(sc, IWM_FH_RSCSR_CHNL0_WPTR, hw & ~7);
5680 struct iwm_softc *sc = arg;
5686 IWM_WRITE(sc, IWM_CSR_INT_MASK, 0);
5688 if (sc->sc_flags & IWM_FLAG_USE_ICT) {
5689 uint32_t *ict = sc->ict_dma.vaddr;
5692 tmp = htole32(ict[sc->ict_cur]);
5697 * ok, there was something. keep plowing until we have all.
5702 ict[sc->ict_cur] = 0;
5703 sc->ict_cur = (sc->ict_cur+1) % IWM_ICT_COUNT;
5704 tmp = htole32(ict[sc->ict_cur]);
5707 /* this is where the fun begins. don't ask */
5708 if (r1 == 0xffffffff)
5711 /* i am not expected to understand this */
5714 r1 = (0xff & r1) | ((0xff00 & r1) << 16);
5716 r1 = IWM_READ(sc, IWM_CSR_INT);
5717 /* "hardware gone" (where, fishing?) */
5718 if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0)
5720 r2 = IWM_READ(sc, IWM_CSR_FH_INT_STATUS);
5722 if (r1 == 0 && r2 == 0) {
5726 IWM_WRITE(sc, IWM_CSR_INT, r1 | ~sc->sc_intmask);
5728 /* Safely ignore these bits for debug checks below */
5729 r1 &= ~(IWM_CSR_INT_BIT_ALIVE | IWM_CSR_INT_BIT_SCD);
5731 if (r1 & IWM_CSR_INT_BIT_SW_ERR) {
5733 struct ieee80211com *ic = &sc->sc_ic;
5734 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
5739 /* Dump driver status (TX and RX rings) while we're here. */
5740 device_printf(sc->sc_dev, "driver status:\n");
5741 for (i = 0; i < IWM_MVM_MAX_QUEUES; i++) {
5742 struct iwm_tx_ring *ring = &sc->txq[i];
5743 device_printf(sc->sc_dev,
5744 " tx ring %2d: qid=%-2d cur=%-3d "
5746 i, ring->qid, ring->cur, ring->queued);
5748 device_printf(sc->sc_dev,
5749 " rx ring: cur=%d\n", sc->rxq.cur);
5750 device_printf(sc->sc_dev,
5751 " 802.11 state %d\n", (vap == NULL) ? -1 : vap->iv_state);
5753 /* Don't stop the device; just do a VAP restart */
5757 printf("%s: null vap\n", __func__);
5761 device_printf(sc->sc_dev, "%s: controller panicked, iv_state = %d; "
5762 "restarting\n", __func__, vap->iv_state);
5764 /* XXX TODO: turn this into a callout/taskqueue */
5765 ieee80211_restart_all(ic);
5769 if (r1 & IWM_CSR_INT_BIT_HW_ERR) {
5770 handled |= IWM_CSR_INT_BIT_HW_ERR;
5771 device_printf(sc->sc_dev, "hardware error, stopping device\n");
5777 /* firmware chunk loaded */
5778 if (r1 & IWM_CSR_INT_BIT_FH_TX) {
5779 IWM_WRITE(sc, IWM_CSR_FH_INT_STATUS, IWM_CSR_FH_INT_TX_MASK);
5780 handled |= IWM_CSR_INT_BIT_FH_TX;
5781 sc->sc_fw_chunk_done = 1;
5785 if (r1 & IWM_CSR_INT_BIT_RF_KILL) {
5786 handled |= IWM_CSR_INT_BIT_RF_KILL;
5787 if (iwm_check_rfkill(sc)) {
5788 device_printf(sc->sc_dev,
5789 "%s: rfkill switch, disabling interface\n",
5796 * The Linux driver uses periodic interrupts to avoid races.
5797 * We cargo-cult like it's going out of fashion.
5799 if (r1 & IWM_CSR_INT_BIT_RX_PERIODIC) {
5800 handled |= IWM_CSR_INT_BIT_RX_PERIODIC;
5801 IWM_WRITE(sc, IWM_CSR_INT, IWM_CSR_INT_BIT_RX_PERIODIC);
5802 if ((r1 & (IWM_CSR_INT_BIT_FH_RX | IWM_CSR_INT_BIT_SW_RX)) == 0)
5804 IWM_CSR_INT_PERIODIC_REG, IWM_CSR_INT_PERIODIC_DIS);
5808 if ((r1 & (IWM_CSR_INT_BIT_FH_RX | IWM_CSR_INT_BIT_SW_RX)) || isperiodic) {
5809 handled |= (IWM_CSR_INT_BIT_FH_RX | IWM_CSR_INT_BIT_SW_RX);
5810 IWM_WRITE(sc, IWM_CSR_FH_INT_STATUS, IWM_CSR_FH_INT_RX_MASK);
5814 /* enable periodic interrupt, see above */
5815 if (r1 & (IWM_CSR_INT_BIT_FH_RX | IWM_CSR_INT_BIT_SW_RX) && !isperiodic)
5816 IWM_WRITE_1(sc, IWM_CSR_INT_PERIODIC_REG,
5817 IWM_CSR_INT_PERIODIC_ENA);
5820 if (__predict_false(r1 & ~handled))
5821 IWM_DPRINTF(sc, IWM_DEBUG_INTR,
5822 "%s: unhandled interrupts: %x\n", __func__, r1);
5826 iwm_restore_interrupts(sc);
5833 * Autoconf glue-sniffing
5835 #define PCI_VENDOR_INTEL 0x8086
5836 #define PCI_PRODUCT_INTEL_WL_3160_1 0x08b3
5837 #define PCI_PRODUCT_INTEL_WL_3160_2 0x08b4
5838 #define PCI_PRODUCT_INTEL_WL_3165_1 0x3165
5839 #define PCI_PRODUCT_INTEL_WL_3165_2 0x3166
5840 #define PCI_PRODUCT_INTEL_WL_7260_1 0x08b1
5841 #define PCI_PRODUCT_INTEL_WL_7260_2 0x08b2
5842 #define PCI_PRODUCT_INTEL_WL_7265_1 0x095a
5843 #define PCI_PRODUCT_INTEL_WL_7265_2 0x095b
5844 #define PCI_PRODUCT_INTEL_WL_8260_1 0x24f3
5845 #define PCI_PRODUCT_INTEL_WL_8260_2 0x24f4
5847 static const struct iwm_devices {
5849 const struct iwm_cfg *cfg;
5851 { PCI_PRODUCT_INTEL_WL_3160_1, &iwm3160_cfg },
5852 { PCI_PRODUCT_INTEL_WL_3160_2, &iwm3160_cfg },
5853 { PCI_PRODUCT_INTEL_WL_3165_1, &iwm3165_cfg },
5854 { PCI_PRODUCT_INTEL_WL_3165_2, &iwm3165_cfg },
5855 { PCI_PRODUCT_INTEL_WL_7260_1, &iwm7260_cfg },
5856 { PCI_PRODUCT_INTEL_WL_7260_2, &iwm7260_cfg },
5857 { PCI_PRODUCT_INTEL_WL_7265_1, &iwm7265_cfg },
5858 { PCI_PRODUCT_INTEL_WL_7265_2, &iwm7265_cfg },
5859 { PCI_PRODUCT_INTEL_WL_8260_1, &iwm8260_cfg },
5860 { PCI_PRODUCT_INTEL_WL_8260_2, &iwm8260_cfg },
5864 iwm_probe(device_t dev)
5868 for (i = 0; i < nitems(iwm_devices); i++) {
5869 if (pci_get_vendor(dev) == PCI_VENDOR_INTEL &&
5870 pci_get_device(dev) == iwm_devices[i].device) {
5871 device_set_desc(dev, iwm_devices[i].cfg->name);
5872 return (BUS_PROBE_DEFAULT);
5880 iwm_dev_check(device_t dev)
5882 struct iwm_softc *sc;
5886 sc = device_get_softc(dev);
5888 devid = pci_get_device(dev);
5889 for (i = 0; i < nitems(iwm_devices); i++) {
5890 if (iwm_devices[i].device == devid) {
5891 sc->cfg = iwm_devices[i].cfg;
5895 device_printf(dev, "unknown adapter type\n");
5900 #define PCI_CFG_RETRY_TIMEOUT 0x041
5903 iwm_pci_attach(device_t dev)
5905 struct iwm_softc *sc;
5906 int count, error, rid;
5909 sc = device_get_softc(dev);
5911 /* We disable the RETRY_TIMEOUT register (0x41) to keep
5912 * PCI Tx retries from interfering with C3 CPU state */
5913 pci_write_config(dev, PCI_CFG_RETRY_TIMEOUT, 0x00, 1);
5915 /* Enable bus-mastering and hardware bug workaround. */
5916 pci_enable_busmaster(dev);
5917 reg = pci_read_config(dev, PCIR_STATUS, sizeof(reg));
5919 if (reg & PCIM_STATUS_INTxSTATE) {
5920 reg &= ~PCIM_STATUS_INTxSTATE;
5922 pci_write_config(dev, PCIR_STATUS, reg, sizeof(reg));
5925 sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
5927 if (sc->sc_mem == NULL) {
5928 device_printf(sc->sc_dev, "can't map mem space\n");
5931 sc->sc_st = rman_get_bustag(sc->sc_mem);
5932 sc->sc_sh = rman_get_bushandle(sc->sc_mem);
5934 /* Install interrupt handler. */
5937 if (pci_alloc_msi(dev, &count) == 0)
5939 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE |
5940 (rid != 0 ? 0 : RF_SHAREABLE));
5941 if (sc->sc_irq == NULL) {
5942 device_printf(dev, "can't map interrupt\n");
5945 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_NET | INTR_MPSAFE,
5946 NULL, iwm_intr, sc, &sc->sc_ih);
5947 if (sc->sc_ih == NULL) {
5948 device_printf(dev, "can't establish interrupt");
5951 sc->sc_dmat = bus_get_dma_tag(sc->sc_dev);
5957 iwm_pci_detach(device_t dev)
5959 struct iwm_softc *sc = device_get_softc(dev);
5961 if (sc->sc_irq != NULL) {
5962 bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
5963 bus_release_resource(dev, SYS_RES_IRQ,
5964 rman_get_rid(sc->sc_irq), sc->sc_irq);
5965 pci_release_msi(dev);
5967 if (sc->sc_mem != NULL)
5968 bus_release_resource(dev, SYS_RES_MEMORY,
5969 rman_get_rid(sc->sc_mem), sc->sc_mem);
5975 iwm_attach(device_t dev)
5977 struct iwm_softc *sc = device_get_softc(dev);
5978 struct ieee80211com *ic = &sc->sc_ic;
5983 sc->sc_attached = 1;
5985 mbufq_init(&sc->sc_snd, ifqmaxlen);
5986 callout_init_mtx(&sc->sc_watchdog_to, &sc->sc_mtx, 0);
5987 callout_init_mtx(&sc->sc_led_blink_to, &sc->sc_mtx, 0);
5988 TASK_INIT(&sc->sc_es_task, 0, iwm_endscan_cb, sc);
5990 sc->sc_notif_wait = iwm_notification_wait_init(sc);
5991 if (sc->sc_notif_wait == NULL) {
5992 device_printf(dev, "failed to init notification wait struct\n");
5997 sc->sc_phy_db = iwm_phy_db_init(sc);
5998 if (!sc->sc_phy_db) {
5999 device_printf(dev, "Cannot init phy_db\n");
6003 /* Set EBS as successful as long as not stated otherwise by the FW. */
6004 sc->last_ebs_successful = TRUE;
6007 error = iwm_pci_attach(dev);
6011 sc->sc_wantresp = -1;
6013 /* Check device type */
6014 error = iwm_dev_check(dev);
6018 sc->sc_hw_rev = IWM_READ(sc, IWM_CSR_HW_REV);
6020 * In the 8000 HW family the format of the 4 bytes of CSR_HW_REV have
6021 * changed, and now the revision step also includes bit 0-1 (no more
6022 * "dash" value). To keep hw_rev backwards compatible - we'll store it
6023 * in the old format.
6025 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000)
6026 sc->sc_hw_rev = (sc->sc_hw_rev & 0xfff0) |
6027 (IWM_CSR_HW_REV_STEP(sc->sc_hw_rev << 2) << 2);
6029 if (iwm_prepare_card_hw(sc) != 0) {
6030 device_printf(dev, "could not initialize hardware\n");
6034 if (sc->cfg->device_family == IWM_DEVICE_FAMILY_8000) {
6039 * In order to recognize C step the driver should read the
6040 * chip version id located at the AUX bus MISC address.
6042 IWM_SETBITS(sc, IWM_CSR_GP_CNTRL,
6043 IWM_CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
6046 ret = iwm_poll_bit(sc, IWM_CSR_GP_CNTRL,
6047 IWM_CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
6048 IWM_CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
6051 device_printf(sc->sc_dev,
6052 "Failed to wake up the nic\n");
6056 if (iwm_nic_lock(sc)) {
6057 hw_step = iwm_read_prph(sc, IWM_WFPM_CTRL_REG);
6058 hw_step |= IWM_ENABLE_WFPM;
6059 iwm_write_prph(sc, IWM_WFPM_CTRL_REG, hw_step);
6060 hw_step = iwm_read_prph(sc, IWM_AUX_MISC_REG);
6061 hw_step = (hw_step >> IWM_HW_STEP_LOCATION_BITS) & 0xF;
6063 sc->sc_hw_rev = (sc->sc_hw_rev & 0xFFFFFFF3) |
6064 (IWM_SILICON_C_STEP << 2);
6067 device_printf(sc->sc_dev, "Failed to lock the nic\n");
6072 /* special-case 7265D, it has the same PCI IDs. */
6073 if (sc->cfg == &iwm7265_cfg &&
6074 (sc->sc_hw_rev & IWM_CSR_HW_REV_TYPE_MSK) == IWM_CSR_HW_REV_TYPE_7265D) {
6075 sc->cfg = &iwm7265d_cfg;
6078 /* Allocate DMA memory for firmware transfers. */
6079 if ((error = iwm_alloc_fwmem(sc)) != 0) {
6080 device_printf(dev, "could not allocate memory for firmware\n");
6084 /* Allocate "Keep Warm" page. */
6085 if ((error = iwm_alloc_kw(sc)) != 0) {
6086 device_printf(dev, "could not allocate keep warm page\n");
6090 /* We use ICT interrupts */
6091 if ((error = iwm_alloc_ict(sc)) != 0) {
6092 device_printf(dev, "could not allocate ICT table\n");
6096 /* Allocate TX scheduler "rings". */
6097 if ((error = iwm_alloc_sched(sc)) != 0) {
6098 device_printf(dev, "could not allocate TX scheduler rings\n");
6102 /* Allocate TX rings */
6103 for (txq_i = 0; txq_i < nitems(sc->txq); txq_i++) {
6104 if ((error = iwm_alloc_tx_ring(sc,
6105 &sc->txq[txq_i], txq_i)) != 0) {
6107 "could not allocate TX ring %d\n",
6113 /* Allocate RX ring. */
6114 if ((error = iwm_alloc_rx_ring(sc, &sc->rxq)) != 0) {
6115 device_printf(dev, "could not allocate RX ring\n");
6119 /* Clear pending interrupts. */
6120 IWM_WRITE(sc, IWM_CSR_INT, 0xffffffff);
6123 ic->ic_name = device_get_nameunit(sc->sc_dev);
6124 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
6125 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
6127 /* Set device capabilities. */
6130 IEEE80211_C_WPA | /* WPA/RSN */
6133 IEEE80211_C_SHSLOT | /* short slot time supported */
6134 IEEE80211_C_SHPREAMBLE /* short preamble supported */
6135 // IEEE80211_C_BGSCAN /* capable of bg scanning */
6137 /* Advertise full-offload scanning */
6138 ic->ic_flags_ext = IEEE80211_FEXT_SCAN_OFFLOAD;
6139 for (i = 0; i < nitems(sc->sc_phyctxt); i++) {
6140 sc->sc_phyctxt[i].id = i;
6141 sc->sc_phyctxt[i].color = 0;
6142 sc->sc_phyctxt[i].ref = 0;
6143 sc->sc_phyctxt[i].channel = NULL;
6146 /* Default noise floor */
6150 sc->sc_max_rssi = IWM_MAX_DBM - IWM_MIN_DBM;
6152 sc->sc_preinit_hook.ich_func = iwm_preinit;
6153 sc->sc_preinit_hook.ich_arg = sc;
6154 if (config_intrhook_establish(&sc->sc_preinit_hook) != 0) {
6155 device_printf(dev, "config_intrhook_establish failed\n");
6160 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
6161 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "debug",
6162 CTLFLAG_RW, &sc->sc_debug, 0, "control debugging");
6165 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_TRACE,
6166 "<-%s\n", __func__);
6170 /* Free allocated memory if something failed during attachment. */
6172 iwm_detach_local(sc, 0);
6178 iwm_is_valid_ether_addr(uint8_t *addr)
6180 char zero_addr[IEEE80211_ADDR_LEN] = { 0, 0, 0, 0, 0, 0 };
6182 if ((addr[0] & 1) || IEEE80211_ADDR_EQ(zero_addr, addr))
6189 iwm_update_edca(struct ieee80211com *ic)
6191 struct iwm_softc *sc = ic->ic_softc;
6193 device_printf(sc->sc_dev, "%s: called\n", __func__);
6198 iwm_preinit(void *arg)
6200 struct iwm_softc *sc = arg;
6201 device_t dev = sc->sc_dev;
6202 struct ieee80211com *ic = &sc->sc_ic;
6205 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_TRACE,
6206 "->%s\n", __func__);
6209 if ((error = iwm_start_hw(sc)) != 0) {
6210 device_printf(dev, "could not initialize hardware\n");
6215 error = iwm_run_init_mvm_ucode(sc, 1);
6216 iwm_stop_device(sc);
6222 "hw rev 0x%x, fw ver %s, address %s\n",
6223 sc->sc_hw_rev & IWM_CSR_HW_REV_TYPE_MSK,
6224 sc->sc_fwver, ether_sprintf(sc->nvm_data->hw_addr));
6226 /* not all hardware can do 5GHz band */
6227 if (!sc->nvm_data->sku_cap_band_52GHz_enable)
6228 memset(&ic->ic_sup_rates[IEEE80211_MODE_11A], 0,
6229 sizeof(ic->ic_sup_rates[IEEE80211_MODE_11A]));
6232 iwm_init_channel_map(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
6236 * At this point we've committed - if we fail to do setup,
6237 * we now also have to tear down the net80211 state.
6239 ieee80211_ifattach(ic);
6240 ic->ic_vap_create = iwm_vap_create;
6241 ic->ic_vap_delete = iwm_vap_delete;
6242 ic->ic_raw_xmit = iwm_raw_xmit;
6243 ic->ic_node_alloc = iwm_node_alloc;
6244 ic->ic_scan_start = iwm_scan_start;
6245 ic->ic_scan_end = iwm_scan_end;
6246 ic->ic_update_mcast = iwm_update_mcast;
6247 ic->ic_getradiocaps = iwm_init_channel_map;
6248 ic->ic_set_channel = iwm_set_channel;
6249 ic->ic_scan_curchan = iwm_scan_curchan;
6250 ic->ic_scan_mindwell = iwm_scan_mindwell;
6251 ic->ic_wme.wme_update = iwm_update_edca;
6252 ic->ic_parent = iwm_parent;
6253 ic->ic_transmit = iwm_transmit;
6254 iwm_radiotap_attach(sc);
6256 ieee80211_announce(ic);
6258 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_TRACE,
6259 "<-%s\n", __func__);
6260 config_intrhook_disestablish(&sc->sc_preinit_hook);
6264 config_intrhook_disestablish(&sc->sc_preinit_hook);
6265 iwm_detach_local(sc, 0);
6269 * Attach the interface to 802.11 radiotap.
6272 iwm_radiotap_attach(struct iwm_softc *sc)
6274 struct ieee80211com *ic = &sc->sc_ic;
6276 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_TRACE,
6277 "->%s begin\n", __func__);
6278 ieee80211_radiotap_attach(ic,
6279 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
6280 IWM_TX_RADIOTAP_PRESENT,
6281 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
6282 IWM_RX_RADIOTAP_PRESENT);
6283 IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_TRACE,
6284 "->%s end\n", __func__);
6287 static struct ieee80211vap *
6288 iwm_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
6289 enum ieee80211_opmode opmode, int flags,
6290 const uint8_t bssid[IEEE80211_ADDR_LEN],
6291 const uint8_t mac[IEEE80211_ADDR_LEN])
6293 struct iwm_vap *ivp;
6294 struct ieee80211vap *vap;
6296 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
6298 ivp = malloc(sizeof(struct iwm_vap), M_80211_VAP, M_WAITOK | M_ZERO);
6300 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid);
6301 vap->iv_bmissthreshold = 10; /* override default */
6302 /* Override with driver methods. */
6303 ivp->iv_newstate = vap->iv_newstate;
6304 vap->iv_newstate = iwm_newstate;
6306 ieee80211_ratectl_init(vap);
6307 /* Complete setup. */
6308 ieee80211_vap_attach(vap, iwm_media_change, ieee80211_media_status,
6310 ic->ic_opmode = opmode;
6316 iwm_vap_delete(struct ieee80211vap *vap)
6318 struct iwm_vap *ivp = IWM_VAP(vap);
6320 ieee80211_ratectl_deinit(vap);
6321 ieee80211_vap_detach(vap);
6322 free(ivp, M_80211_VAP);
6326 iwm_scan_start(struct ieee80211com *ic)
6328 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
6329 struct iwm_softc *sc = ic->ic_softc;
6333 if (sc->sc_flags & IWM_FLAG_SCAN_RUNNING) {
6334 /* This should not be possible */
6335 device_printf(sc->sc_dev,
6336 "%s: Previous scan not completed yet\n", __func__);
6338 if (fw_has_capa(&sc->ucode_capa, IWM_UCODE_TLV_CAPA_UMAC_SCAN))
6339 error = iwm_mvm_umac_scan(sc);
6341 error = iwm_mvm_lmac_scan(sc);
6343 device_printf(sc->sc_dev, "could not initiate scan\n");
6345 ieee80211_cancel_scan(vap);
6347 sc->sc_flags |= IWM_FLAG_SCAN_RUNNING;
6348 iwm_led_blink_start(sc);
6354 iwm_scan_end(struct ieee80211com *ic)
6356 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
6357 struct iwm_softc *sc = ic->ic_softc;
6360 iwm_led_blink_stop(sc);
6361 if (vap->iv_state == IEEE80211_S_RUN)
6362 iwm_mvm_led_enable(sc);
6363 if (sc->sc_flags & IWM_FLAG_SCAN_RUNNING) {
6365 * Removing IWM_FLAG_SCAN_RUNNING now, is fine because
6366 * both iwm_scan_end and iwm_scan_start run in the ic->ic_tq
6369 sc->sc_flags &= ~IWM_FLAG_SCAN_RUNNING;
6370 iwm_mvm_scan_stop_wait(sc);
6375 * Make sure we don't race, if sc_es_task is still enqueued here.
6376 * This is to make sure that it won't call ieee80211_scan_done
6377 * when we have already started the next scan.
6379 taskqueue_cancel(ic->ic_tq, &sc->sc_es_task, NULL);
6383 iwm_update_mcast(struct ieee80211com *ic)
6388 iwm_set_channel(struct ieee80211com *ic)
6393 iwm_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
6398 iwm_scan_mindwell(struct ieee80211_scan_state *ss)
6404 iwm_init_task(void *arg1)
6406 struct iwm_softc *sc = arg1;
6409 while (sc->sc_flags & IWM_FLAG_BUSY)
6410 msleep(&sc->sc_flags, &sc->sc_mtx, 0, "iwmpwr", 0);
6411 sc->sc_flags |= IWM_FLAG_BUSY;
6413 if (sc->sc_ic.ic_nrunning > 0)
6415 sc->sc_flags &= ~IWM_FLAG_BUSY;
6416 wakeup(&sc->sc_flags);
6421 iwm_resume(device_t dev)
6423 struct iwm_softc *sc = device_get_softc(dev);
6427 * We disable the RETRY_TIMEOUT register (0x41) to keep
6428 * PCI Tx retries from interfering with C3 CPU state.
6430 pci_write_config(dev, PCI_CFG_RETRY_TIMEOUT, 0x00, 1);
6431 iwm_init_task(device_get_softc(dev));
6434 if (sc->sc_flags & IWM_FLAG_SCANNING) {
6435 sc->sc_flags &= ~IWM_FLAG_SCANNING;
6441 ieee80211_resume_all(&sc->sc_ic);
6447 iwm_suspend(device_t dev)
6450 struct iwm_softc *sc = device_get_softc(dev);
6452 do_stop = !! (sc->sc_ic.ic_nrunning > 0);
6454 ieee80211_suspend_all(&sc->sc_ic);
6459 sc->sc_flags |= IWM_FLAG_SCANNING;
6467 iwm_detach_local(struct iwm_softc *sc, int do_net80211)
6469 struct iwm_fw_info *fw = &sc->sc_fw;
6470 device_t dev = sc->sc_dev;
6473 if (!sc->sc_attached)
6475 sc->sc_attached = 0;
6478 ieee80211_draintask(&sc->sc_ic, &sc->sc_es_task);
6480 callout_drain(&sc->sc_led_blink_to);
6481 callout_drain(&sc->sc_watchdog_to);
6482 iwm_stop_device(sc);
6484 ieee80211_ifdetach(&sc->sc_ic);
6487 iwm_phy_db_free(sc->sc_phy_db);
6488 sc->sc_phy_db = NULL;
6490 iwm_free_nvm_data(sc->nvm_data);
6492 /* Free descriptor rings */
6493 iwm_free_rx_ring(sc, &sc->rxq);
6494 for (i = 0; i < nitems(sc->txq); i++)
6495 iwm_free_tx_ring(sc, &sc->txq[i]);
6498 if (fw->fw_fp != NULL)
6499 iwm_fw_info_free(fw);
6501 /* Free scheduler */
6502 iwm_dma_contig_free(&sc->sched_dma);
6503 iwm_dma_contig_free(&sc->ict_dma);
6504 iwm_dma_contig_free(&sc->kw_dma);
6505 iwm_dma_contig_free(&sc->fw_dma);
6507 iwm_free_fw_paging(sc);
6509 /* Finished with the hardware - detach things */
6510 iwm_pci_detach(dev);
6512 if (sc->sc_notif_wait != NULL) {
6513 iwm_notification_wait_free(sc->sc_notif_wait);
6514 sc->sc_notif_wait = NULL;
6517 mbufq_drain(&sc->sc_snd);
6518 IWM_LOCK_DESTROY(sc);
6524 iwm_detach(device_t dev)
6526 struct iwm_softc *sc = device_get_softc(dev);
6528 return (iwm_detach_local(sc, 1));
6531 static device_method_t iwm_pci_methods[] = {
6532 /* Device interface */
6533 DEVMETHOD(device_probe, iwm_probe),
6534 DEVMETHOD(device_attach, iwm_attach),
6535 DEVMETHOD(device_detach, iwm_detach),
6536 DEVMETHOD(device_suspend, iwm_suspend),
6537 DEVMETHOD(device_resume, iwm_resume),
6542 static driver_t iwm_pci_driver = {
6545 sizeof (struct iwm_softc)
6548 static devclass_t iwm_devclass;
6550 DRIVER_MODULE(iwm, pci, iwm_pci_driver, iwm_devclass, NULL, NULL);
6551 MODULE_DEPEND(iwm, firmware, 1, 1, 1);
6552 MODULE_DEPEND(iwm, pci, 1, 1, 1);
6553 MODULE_DEPEND(iwm, wlan, 1, 1, 1);