2 * Copyright (c) 2007-2009 Damien Bergamini <damien.bergamini@free.fr>
3 * Copyright (c) 2008 Benjamin Close <benjsc@FreeBSD.org>
4 * Copyright (c) 2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2011 Intel Corporation
6 * Copyright (c) 2013 Cedric GROSS <c.gross@kreiz-it.fr>
7 * Copyright (c) 2013 Adrian Chadd <adrian@FreeBSD.org>
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Driver for Intel WiFi Link 4965 and 1000/5000/6000 Series 802.11 network
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/sockio.h>
35 #include <sys/sysctl.h>
37 #include <sys/kernel.h>
38 #include <sys/socket.h>
39 #include <sys/systm.h>
40 #include <sys/malloc.h>
44 #include <sys/endian.h>
45 #include <sys/firmware.h>
46 #include <sys/limits.h>
47 #include <sys/module.h>
49 #include <sys/queue.h>
50 #include <sys/taskqueue.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
54 #include <machine/clock.h>
56 #include <dev/pci/pcireg.h>
57 #include <dev/pci/pcivar.h>
60 #include <net/if_var.h>
61 #include <net/if_dl.h>
62 #include <net/if_media.h>
64 #include <netinet/in.h>
65 #include <netinet/if_ether.h>
67 #include <net80211/ieee80211_var.h>
68 #include <net80211/ieee80211_radiotap.h>
69 #include <net80211/ieee80211_regdomain.h>
70 #include <net80211/ieee80211_ratectl.h>
72 #include <dev/iwn/if_iwnreg.h>
73 #include <dev/iwn/if_iwnvar.h>
74 #include <dev/iwn/if_iwn_devid.h>
75 #include <dev/iwn/if_iwn_chip_cfg.h>
76 #include <dev/iwn/if_iwn_debug.h>
77 #include <dev/iwn/if_iwn_ioctl.h>
85 static const struct iwn_ident iwn_ident_table[] = {
86 { 0x8086, IWN_DID_6x05_1, "Intel Centrino Advanced-N 6205" },
87 { 0x8086, IWN_DID_1000_1, "Intel Centrino Wireless-N 1000" },
88 { 0x8086, IWN_DID_1000_2, "Intel Centrino Wireless-N 1000" },
89 { 0x8086, IWN_DID_6x05_2, "Intel Centrino Advanced-N 6205" },
90 { 0x8086, IWN_DID_6050_1, "Intel Centrino Advanced-N + WiMAX 6250" },
91 { 0x8086, IWN_DID_6050_2, "Intel Centrino Advanced-N + WiMAX 6250" },
92 { 0x8086, IWN_DID_x030_1, "Intel Centrino Wireless-N 1030" },
93 { 0x8086, IWN_DID_x030_2, "Intel Centrino Wireless-N 1030" },
94 { 0x8086, IWN_DID_x030_3, "Intel Centrino Advanced-N 6230" },
95 { 0x8086, IWN_DID_x030_4, "Intel Centrino Advanced-N 6230" },
96 { 0x8086, IWN_DID_6150_1, "Intel Centrino Wireless-N + WiMAX 6150" },
97 { 0x8086, IWN_DID_6150_2, "Intel Centrino Wireless-N + WiMAX 6150" },
98 { 0x8086, IWN_DID_2x00_1, "Intel(R) Centrino(R) Wireless-N 2200 BGN" },
99 { 0x8086, IWN_DID_2x00_2, "Intel(R) Centrino(R) Wireless-N 2200 BGN" },
100 /* XXX 2200D is IWN_SDID_2x00_4; there's no way to express this here! */
101 { 0x8086, IWN_DID_2x30_1, "Intel Centrino Wireless-N 2230" },
102 { 0x8086, IWN_DID_2x30_2, "Intel Centrino Wireless-N 2230" },
103 { 0x8086, IWN_DID_130_1, "Intel Centrino Wireless-N 130" },
104 { 0x8086, IWN_DID_130_2, "Intel Centrino Wireless-N 130" },
105 { 0x8086, IWN_DID_100_1, "Intel Centrino Wireless-N 100" },
106 { 0x8086, IWN_DID_100_2, "Intel Centrino Wireless-N 100" },
107 { 0x8086, IWN_DID_105_1, "Intel Centrino Wireless-N 105" },
108 { 0x8086, IWN_DID_105_2, "Intel Centrino Wireless-N 105" },
109 { 0x8086, IWN_DID_135_1, "Intel Centrino Wireless-N 135" },
110 { 0x8086, IWN_DID_135_2, "Intel Centrino Wireless-N 135" },
111 { 0x8086, IWN_DID_4965_1, "Intel Wireless WiFi Link 4965" },
112 { 0x8086, IWN_DID_6x00_1, "Intel Centrino Ultimate-N 6300" },
113 { 0x8086, IWN_DID_6x00_2, "Intel Centrino Advanced-N 6200" },
114 { 0x8086, IWN_DID_4965_2, "Intel Wireless WiFi Link 4965" },
115 { 0x8086, IWN_DID_4965_3, "Intel Wireless WiFi Link 4965" },
116 { 0x8086, IWN_DID_5x00_1, "Intel WiFi Link 5100" },
117 { 0x8086, IWN_DID_4965_4, "Intel Wireless WiFi Link 4965" },
118 { 0x8086, IWN_DID_5x00_3, "Intel Ultimate N WiFi Link 5300" },
119 { 0x8086, IWN_DID_5x00_4, "Intel Ultimate N WiFi Link 5300" },
120 { 0x8086, IWN_DID_5x00_2, "Intel WiFi Link 5100" },
121 { 0x8086, IWN_DID_6x00_3, "Intel Centrino Ultimate-N 6300" },
122 { 0x8086, IWN_DID_6x00_4, "Intel Centrino Advanced-N 6200" },
123 { 0x8086, IWN_DID_5x50_1, "Intel WiMAX/WiFi Link 5350" },
124 { 0x8086, IWN_DID_5x50_2, "Intel WiMAX/WiFi Link 5350" },
125 { 0x8086, IWN_DID_5x50_3, "Intel WiMAX/WiFi Link 5150" },
126 { 0x8086, IWN_DID_5x50_4, "Intel WiMAX/WiFi Link 5150" },
127 { 0x8086, IWN_DID_6035_1, "Intel Centrino Advanced 6235" },
128 { 0x8086, IWN_DID_6035_2, "Intel Centrino Advanced 6235" },
132 static int iwn_probe(device_t);
133 static int iwn_attach(device_t);
134 static int iwn4965_attach(struct iwn_softc *, uint16_t);
135 static int iwn5000_attach(struct iwn_softc *, uint16_t);
136 static int iwn_config_specific(struct iwn_softc *, uint16_t);
137 static void iwn_radiotap_attach(struct iwn_softc *);
138 static void iwn_sysctlattach(struct iwn_softc *);
139 static struct ieee80211vap *iwn_vap_create(struct ieee80211com *,
140 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
141 const uint8_t [IEEE80211_ADDR_LEN],
142 const uint8_t [IEEE80211_ADDR_LEN]);
143 static void iwn_vap_delete(struct ieee80211vap *);
144 static int iwn_detach(device_t);
145 static int iwn_shutdown(device_t);
146 static int iwn_suspend(device_t);
147 static int iwn_resume(device_t);
148 static int iwn_nic_lock(struct iwn_softc *);
149 static int iwn_eeprom_lock(struct iwn_softc *);
150 static int iwn_init_otprom(struct iwn_softc *);
151 static int iwn_read_prom_data(struct iwn_softc *, uint32_t, void *, int);
152 static void iwn_dma_map_addr(void *, bus_dma_segment_t *, int, int);
153 static int iwn_dma_contig_alloc(struct iwn_softc *, struct iwn_dma_info *,
154 void **, bus_size_t, bus_size_t);
155 static void iwn_dma_contig_free(struct iwn_dma_info *);
156 static int iwn_alloc_sched(struct iwn_softc *);
157 static void iwn_free_sched(struct iwn_softc *);
158 static int iwn_alloc_kw(struct iwn_softc *);
159 static void iwn_free_kw(struct iwn_softc *);
160 static int iwn_alloc_ict(struct iwn_softc *);
161 static void iwn_free_ict(struct iwn_softc *);
162 static int iwn_alloc_fwmem(struct iwn_softc *);
163 static void iwn_free_fwmem(struct iwn_softc *);
164 static int iwn_alloc_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
165 static void iwn_reset_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
166 static void iwn_free_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
167 static int iwn_alloc_tx_ring(struct iwn_softc *, struct iwn_tx_ring *,
169 static void iwn_reset_tx_ring(struct iwn_softc *, struct iwn_tx_ring *);
170 static void iwn_free_tx_ring(struct iwn_softc *, struct iwn_tx_ring *);
171 static void iwn5000_ict_reset(struct iwn_softc *);
172 static int iwn_read_eeprom(struct iwn_softc *,
173 uint8_t macaddr[IEEE80211_ADDR_LEN]);
174 static void iwn4965_read_eeprom(struct iwn_softc *);
176 static void iwn4965_print_power_group(struct iwn_softc *, int);
178 static void iwn5000_read_eeprom(struct iwn_softc *);
179 static uint32_t iwn_eeprom_channel_flags(struct iwn_eeprom_chan *);
180 static void iwn_read_eeprom_band(struct iwn_softc *, int, int, int *,
181 struct ieee80211_channel[]);
182 static void iwn_read_eeprom_ht40(struct iwn_softc *, int, int, int *,
183 struct ieee80211_channel[]);
184 static void iwn_read_eeprom_channels(struct iwn_softc *, int, uint32_t);
185 static struct iwn_eeprom_chan *iwn_find_eeprom_channel(struct iwn_softc *,
186 struct ieee80211_channel *);
187 static void iwn_getradiocaps(struct ieee80211com *, int, int *,
188 struct ieee80211_channel[]);
189 static int iwn_setregdomain(struct ieee80211com *,
190 struct ieee80211_regdomain *, int,
191 struct ieee80211_channel[]);
192 static void iwn_read_eeprom_enhinfo(struct iwn_softc *);
193 static struct ieee80211_node *iwn_node_alloc(struct ieee80211vap *,
194 const uint8_t mac[IEEE80211_ADDR_LEN]);
195 static void iwn_newassoc(struct ieee80211_node *, int);
196 static int iwn_media_change(struct ifnet *);
197 static int iwn_newstate(struct ieee80211vap *, enum ieee80211_state, int);
198 static void iwn_calib_timeout(void *);
199 static void iwn_rx_phy(struct iwn_softc *, struct iwn_rx_desc *);
200 static void iwn_rx_done(struct iwn_softc *, struct iwn_rx_desc *,
201 struct iwn_rx_data *);
202 static void iwn_rx_compressed_ba(struct iwn_softc *, struct iwn_rx_desc *);
203 static void iwn5000_rx_calib_results(struct iwn_softc *,
204 struct iwn_rx_desc *);
205 static void iwn_rx_statistics(struct iwn_softc *, struct iwn_rx_desc *);
206 static void iwn4965_tx_done(struct iwn_softc *, struct iwn_rx_desc *,
207 struct iwn_rx_data *);
208 static void iwn5000_tx_done(struct iwn_softc *, struct iwn_rx_desc *,
209 struct iwn_rx_data *);
210 static void iwn_tx_done(struct iwn_softc *, struct iwn_rx_desc *, int, int,
212 static void iwn_ampdu_tx_done(struct iwn_softc *, int, int, int, int, int,
214 static void iwn_cmd_done(struct iwn_softc *, struct iwn_rx_desc *);
215 static void iwn_notif_intr(struct iwn_softc *);
216 static void iwn_wakeup_intr(struct iwn_softc *);
217 static void iwn_rftoggle_task(void *, int);
218 static void iwn_fatal_intr(struct iwn_softc *);
219 static void iwn_intr(void *);
220 static void iwn4965_update_sched(struct iwn_softc *, int, int, uint8_t,
222 static void iwn5000_update_sched(struct iwn_softc *, int, int, uint8_t,
225 static void iwn5000_reset_sched(struct iwn_softc *, int, int);
227 static int iwn_tx_data(struct iwn_softc *, struct mbuf *,
228 struct ieee80211_node *);
229 static int iwn_tx_data_raw(struct iwn_softc *, struct mbuf *,
230 struct ieee80211_node *,
231 const struct ieee80211_bpf_params *params);
232 static int iwn_tx_cmd(struct iwn_softc *, struct mbuf *,
233 struct ieee80211_node *, struct iwn_tx_ring *);
234 static void iwn_xmit_task(void *arg0, int pending);
235 static int iwn_raw_xmit(struct ieee80211_node *, struct mbuf *,
236 const struct ieee80211_bpf_params *);
237 static int iwn_transmit(struct ieee80211com *, struct mbuf *);
238 static void iwn_scan_timeout(void *);
239 static void iwn_watchdog(void *);
240 static int iwn_ioctl(struct ieee80211com *, u_long , void *);
241 static void iwn_parent(struct ieee80211com *);
242 static int iwn_cmd(struct iwn_softc *, int, const void *, int, int);
243 static int iwn4965_add_node(struct iwn_softc *, struct iwn_node_info *,
245 static int iwn5000_add_node(struct iwn_softc *, struct iwn_node_info *,
247 static int iwn_set_link_quality(struct iwn_softc *,
248 struct ieee80211_node *);
249 static int iwn_add_broadcast_node(struct iwn_softc *, int);
250 static int iwn_updateedca(struct ieee80211com *);
251 static void iwn_set_promisc(struct iwn_softc *);
252 static void iwn_update_promisc(struct ieee80211com *);
253 static void iwn_update_mcast(struct ieee80211com *);
254 static void iwn_set_led(struct iwn_softc *, uint8_t, uint8_t, uint8_t);
255 static int iwn_set_critical_temp(struct iwn_softc *);
256 static int iwn_set_timing(struct iwn_softc *, struct ieee80211_node *);
257 static void iwn4965_power_calibration(struct iwn_softc *, int);
258 static int iwn4965_set_txpower(struct iwn_softc *, int);
259 static int iwn5000_set_txpower(struct iwn_softc *, int);
260 static int iwn4965_get_rssi(struct iwn_softc *, struct iwn_rx_stat *);
261 static int iwn5000_get_rssi(struct iwn_softc *, struct iwn_rx_stat *);
262 static int iwn_get_noise(const struct iwn_rx_general_stats *);
263 static int iwn4965_get_temperature(struct iwn_softc *);
264 static int iwn5000_get_temperature(struct iwn_softc *);
265 static int iwn_init_sensitivity(struct iwn_softc *);
266 static void iwn_collect_noise(struct iwn_softc *,
267 const struct iwn_rx_general_stats *);
268 static int iwn4965_init_gains(struct iwn_softc *);
269 static int iwn5000_init_gains(struct iwn_softc *);
270 static int iwn4965_set_gains(struct iwn_softc *);
271 static int iwn5000_set_gains(struct iwn_softc *);
272 static void iwn_tune_sensitivity(struct iwn_softc *,
273 const struct iwn_rx_stats *);
274 static void iwn_save_stats_counters(struct iwn_softc *,
275 const struct iwn_stats *);
276 static int iwn_send_sensitivity(struct iwn_softc *);
277 static void iwn_check_rx_recovery(struct iwn_softc *, struct iwn_stats *);
278 static int iwn_set_pslevel(struct iwn_softc *, int, int, int);
279 static int iwn_send_btcoex(struct iwn_softc *);
280 static int iwn_send_advanced_btcoex(struct iwn_softc *);
281 static int iwn5000_runtime_calib(struct iwn_softc *);
282 static int iwn_check_bss_filter(struct iwn_softc *);
283 static int iwn4965_rxon_assoc(struct iwn_softc *, int);
284 static int iwn5000_rxon_assoc(struct iwn_softc *, int);
285 static int iwn_send_rxon(struct iwn_softc *, int, int);
286 static int iwn_config(struct iwn_softc *);
287 static int iwn_scan(struct iwn_softc *, struct ieee80211vap *,
288 struct ieee80211_scan_state *, struct ieee80211_channel *);
289 static int iwn_auth(struct iwn_softc *, struct ieee80211vap *vap);
290 static int iwn_run(struct iwn_softc *, struct ieee80211vap *vap);
291 static int iwn_ampdu_rx_start(struct ieee80211_node *,
292 struct ieee80211_rx_ampdu *, int, int, int);
293 static void iwn_ampdu_rx_stop(struct ieee80211_node *,
294 struct ieee80211_rx_ampdu *);
295 static int iwn_addba_request(struct ieee80211_node *,
296 struct ieee80211_tx_ampdu *, int, int, int);
297 static int iwn_addba_response(struct ieee80211_node *,
298 struct ieee80211_tx_ampdu *, int, int, int);
299 static int iwn_ampdu_tx_start(struct ieee80211com *,
300 struct ieee80211_node *, uint8_t);
301 static void iwn_ampdu_tx_stop(struct ieee80211_node *,
302 struct ieee80211_tx_ampdu *);
303 static void iwn4965_ampdu_tx_start(struct iwn_softc *,
304 struct ieee80211_node *, int, uint8_t, uint16_t);
305 static void iwn4965_ampdu_tx_stop(struct iwn_softc *, int,
307 static void iwn5000_ampdu_tx_start(struct iwn_softc *,
308 struct ieee80211_node *, int, uint8_t, uint16_t);
309 static void iwn5000_ampdu_tx_stop(struct iwn_softc *, int,
311 static int iwn5000_query_calibration(struct iwn_softc *);
312 static int iwn5000_send_calibration(struct iwn_softc *);
313 static int iwn5000_send_wimax_coex(struct iwn_softc *);
314 static int iwn5000_crystal_calib(struct iwn_softc *);
315 static int iwn5000_temp_offset_calib(struct iwn_softc *);
316 static int iwn5000_temp_offset_calibv2(struct iwn_softc *);
317 static int iwn4965_post_alive(struct iwn_softc *);
318 static int iwn5000_post_alive(struct iwn_softc *);
319 static int iwn4965_load_bootcode(struct iwn_softc *, const uint8_t *,
321 static int iwn4965_load_firmware(struct iwn_softc *);
322 static int iwn5000_load_firmware_section(struct iwn_softc *, uint32_t,
323 const uint8_t *, int);
324 static int iwn5000_load_firmware(struct iwn_softc *);
325 static int iwn_read_firmware_leg(struct iwn_softc *,
326 struct iwn_fw_info *);
327 static int iwn_read_firmware_tlv(struct iwn_softc *,
328 struct iwn_fw_info *, uint16_t);
329 static int iwn_read_firmware(struct iwn_softc *);
330 static void iwn_unload_firmware(struct iwn_softc *);
331 static int iwn_clock_wait(struct iwn_softc *);
332 static int iwn_apm_init(struct iwn_softc *);
333 static void iwn_apm_stop_master(struct iwn_softc *);
334 static void iwn_apm_stop(struct iwn_softc *);
335 static int iwn4965_nic_config(struct iwn_softc *);
336 static int iwn5000_nic_config(struct iwn_softc *);
337 static int iwn_hw_prepare(struct iwn_softc *);
338 static int iwn_hw_init(struct iwn_softc *);
339 static void iwn_hw_stop(struct iwn_softc *);
340 static void iwn_panicked(void *, int);
341 static int iwn_init_locked(struct iwn_softc *);
342 static int iwn_init(struct iwn_softc *);
343 static void iwn_stop_locked(struct iwn_softc *);
344 static void iwn_stop(struct iwn_softc *);
345 static void iwn_scan_start(struct ieee80211com *);
346 static void iwn_scan_end(struct ieee80211com *);
347 static void iwn_set_channel(struct ieee80211com *);
348 static void iwn_scan_curchan(struct ieee80211_scan_state *, unsigned long);
349 static void iwn_scan_mindwell(struct ieee80211_scan_state *);
351 static char *iwn_get_csr_string(int);
352 static void iwn_debug_register(struct iwn_softc *);
355 static device_method_t iwn_methods[] = {
356 /* Device interface */
357 DEVMETHOD(device_probe, iwn_probe),
358 DEVMETHOD(device_attach, iwn_attach),
359 DEVMETHOD(device_detach, iwn_detach),
360 DEVMETHOD(device_shutdown, iwn_shutdown),
361 DEVMETHOD(device_suspend, iwn_suspend),
362 DEVMETHOD(device_resume, iwn_resume),
367 static driver_t iwn_driver = {
370 sizeof(struct iwn_softc)
372 static devclass_t iwn_devclass;
374 DRIVER_MODULE(iwn, pci, iwn_driver, iwn_devclass, NULL, NULL);
376 MODULE_VERSION(iwn, 1);
378 MODULE_DEPEND(iwn, firmware, 1, 1, 1);
379 MODULE_DEPEND(iwn, pci, 1, 1, 1);
380 MODULE_DEPEND(iwn, wlan, 1, 1, 1);
382 static d_ioctl_t iwn_cdev_ioctl;
383 static d_open_t iwn_cdev_open;
384 static d_close_t iwn_cdev_close;
386 static struct cdevsw iwn_cdevsw = {
387 .d_version = D_VERSION,
389 .d_open = iwn_cdev_open,
390 .d_close = iwn_cdev_close,
391 .d_ioctl = iwn_cdev_ioctl,
396 iwn_probe(device_t dev)
398 const struct iwn_ident *ident;
400 for (ident = iwn_ident_table; ident->name != NULL; ident++) {
401 if (pci_get_vendor(dev) == ident->vendor &&
402 pci_get_device(dev) == ident->device) {
403 device_set_desc(dev, ident->name);
404 return (BUS_PROBE_DEFAULT);
411 iwn_is_3stream_device(struct iwn_softc *sc)
413 /* XXX for now only 5300, until the 5350 can be tested */
414 if (sc->hw_type == IWN_HW_REV_TYPE_5300)
420 iwn_attach(device_t dev)
422 struct iwn_softc *sc = device_get_softc(dev);
423 struct ieee80211com *ic;
429 error = resource_int_value(device_get_name(sc->sc_dev),
430 device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug));
437 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: begin\n",__func__);
440 * Get the offset of the PCI Express Capability Structure in PCI
441 * Configuration Space.
443 error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off);
445 device_printf(dev, "PCIe capability structure not found!\n");
449 /* Clear device-specific "PCI retry timeout" register (41h). */
450 pci_write_config(dev, 0x41, 0, 1);
452 /* Enable bus-mastering. */
453 pci_enable_busmaster(dev);
456 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
458 if (sc->mem == NULL) {
459 device_printf(dev, "can't map mem space\n");
463 sc->sc_st = rman_get_bustag(sc->mem);
464 sc->sc_sh = rman_get_bushandle(sc->mem);
468 if (pci_alloc_msi(dev, &i) == 0)
470 /* Install interrupt handler. */
471 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE |
472 (rid != 0 ? 0 : RF_SHAREABLE));
473 if (sc->irq == NULL) {
474 device_printf(dev, "can't map interrupt\n");
481 /* Read hardware revision and attach. */
482 sc->hw_type = (IWN_READ(sc, IWN_HW_REV) >> IWN_HW_REV_TYPE_SHIFT)
483 & IWN_HW_REV_TYPE_MASK;
484 sc->subdevice_id = pci_get_subdevice(dev);
487 * 4965 versus 5000 and later have different methods.
488 * Let's set those up first.
490 if (sc->hw_type == IWN_HW_REV_TYPE_4965)
491 error = iwn4965_attach(sc, pci_get_device(dev));
493 error = iwn5000_attach(sc, pci_get_device(dev));
495 device_printf(dev, "could not attach device, error %d\n",
501 * Next, let's setup the various parameters of each NIC.
503 error = iwn_config_specific(sc, pci_get_device(dev));
505 device_printf(dev, "could not attach device, error %d\n",
510 if ((error = iwn_hw_prepare(sc)) != 0) {
511 device_printf(dev, "hardware not ready, error %d\n", error);
515 /* Allocate DMA memory for firmware transfers. */
516 if ((error = iwn_alloc_fwmem(sc)) != 0) {
518 "could not allocate memory for firmware, error %d\n",
523 /* Allocate "Keep Warm" page. */
524 if ((error = iwn_alloc_kw(sc)) != 0) {
526 "could not allocate keep warm page, error %d\n", error);
530 /* Allocate ICT table for 5000 Series. */
531 if (sc->hw_type != IWN_HW_REV_TYPE_4965 &&
532 (error = iwn_alloc_ict(sc)) != 0) {
533 device_printf(dev, "could not allocate ICT table, error %d\n",
538 /* Allocate TX scheduler "rings". */
539 if ((error = iwn_alloc_sched(sc)) != 0) {
541 "could not allocate TX scheduler rings, error %d\n", error);
545 /* Allocate TX rings (16 on 4965AGN, 20 on >=5000). */
546 for (i = 0; i < sc->ntxqs; i++) {
547 if ((error = iwn_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) {
549 "could not allocate TX ring %d, error %d\n", i,
555 /* Allocate RX ring. */
556 if ((error = iwn_alloc_rx_ring(sc, &sc->rxq)) != 0) {
557 device_printf(dev, "could not allocate RX ring, error %d\n",
562 /* Clear pending interrupts. */
563 IWN_WRITE(sc, IWN_INT, 0xffffffff);
567 ic->ic_name = device_get_nameunit(dev);
568 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
569 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
571 /* Set device capabilities. */
573 IEEE80211_C_STA /* station mode supported */
574 | IEEE80211_C_MONITOR /* monitor mode supported */
576 | IEEE80211_C_BGSCAN /* background scanning */
578 | IEEE80211_C_TXPMGT /* tx power management */
579 | IEEE80211_C_SHSLOT /* short slot time supported */
581 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
583 | IEEE80211_C_IBSS /* ibss/adhoc mode */
585 | IEEE80211_C_WME /* WME */
586 | IEEE80211_C_PMGT /* Station-side power mgmt */
589 /* Read MAC address, channels, etc from EEPROM. */
590 if ((error = iwn_read_eeprom(sc, ic->ic_macaddr)) != 0) {
591 device_printf(dev, "could not read EEPROM, error %d\n",
596 /* Count the number of available chains. */
598 ((sc->txchainmask >> 2) & 1) +
599 ((sc->txchainmask >> 1) & 1) +
600 ((sc->txchainmask >> 0) & 1);
602 ((sc->rxchainmask >> 2) & 1) +
603 ((sc->rxchainmask >> 1) & 1) +
604 ((sc->rxchainmask >> 0) & 1);
606 device_printf(dev, "MIMO %dT%dR, %.4s, address %6D\n",
607 sc->ntxchains, sc->nrxchains, sc->eeprom_domain,
608 ic->ic_macaddr, ":");
611 if (sc->sc_flags & IWN_FLAG_HAS_11N) {
612 ic->ic_rxstream = sc->nrxchains;
613 ic->ic_txstream = sc->ntxchains;
616 * Some of the 3 antenna devices (ie, the 4965) only supports
617 * 2x2 operation. So correct the number of streams if
618 * it's not a 3-stream device.
620 if (! iwn_is_3stream_device(sc)) {
621 if (ic->ic_rxstream > 2)
623 if (ic->ic_txstream > 2)
628 IEEE80211_HTCAP_SMPS_OFF /* SMPS mode disabled */
629 | IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
630 | IEEE80211_HTCAP_CHWIDTH40 /* 40MHz channel width*/
631 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
633 | IEEE80211_HTCAP_GREENFIELD
634 #if IWN_RBUF_SIZE == 8192
635 | IEEE80211_HTCAP_MAXAMSDU_7935 /* max A-MSDU length */
637 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
640 /* s/w capabilities */
641 | IEEE80211_HTC_HT /* HT operation */
642 | IEEE80211_HTC_AMPDU /* tx A-MPDU */
644 | IEEE80211_HTC_AMSDU /* tx A-MSDU */
649 ieee80211_ifattach(ic);
650 ic->ic_vap_create = iwn_vap_create;
651 ic->ic_ioctl = iwn_ioctl;
652 ic->ic_parent = iwn_parent;
653 ic->ic_vap_delete = iwn_vap_delete;
654 ic->ic_transmit = iwn_transmit;
655 ic->ic_raw_xmit = iwn_raw_xmit;
656 ic->ic_node_alloc = iwn_node_alloc;
657 sc->sc_ampdu_rx_start = ic->ic_ampdu_rx_start;
658 ic->ic_ampdu_rx_start = iwn_ampdu_rx_start;
659 sc->sc_ampdu_rx_stop = ic->ic_ampdu_rx_stop;
660 ic->ic_ampdu_rx_stop = iwn_ampdu_rx_stop;
661 sc->sc_addba_request = ic->ic_addba_request;
662 ic->ic_addba_request = iwn_addba_request;
663 sc->sc_addba_response = ic->ic_addba_response;
664 ic->ic_addba_response = iwn_addba_response;
665 sc->sc_addba_stop = ic->ic_addba_stop;
666 ic->ic_addba_stop = iwn_ampdu_tx_stop;
667 ic->ic_newassoc = iwn_newassoc;
668 ic->ic_wme.wme_update = iwn_updateedca;
669 ic->ic_update_promisc = iwn_update_promisc;
670 ic->ic_update_mcast = iwn_update_mcast;
671 ic->ic_scan_start = iwn_scan_start;
672 ic->ic_scan_end = iwn_scan_end;
673 ic->ic_set_channel = iwn_set_channel;
674 ic->ic_scan_curchan = iwn_scan_curchan;
675 ic->ic_scan_mindwell = iwn_scan_mindwell;
676 ic->ic_getradiocaps = iwn_getradiocaps;
677 ic->ic_setregdomain = iwn_setregdomain;
679 iwn_radiotap_attach(sc);
681 callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0);
682 callout_init_mtx(&sc->scan_timeout, &sc->sc_mtx, 0);
683 callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0);
684 TASK_INIT(&sc->sc_rftoggle_task, 0, iwn_rftoggle_task, sc);
685 TASK_INIT(&sc->sc_panic_task, 0, iwn_panicked, sc);
686 TASK_INIT(&sc->sc_xmit_task, 0, iwn_xmit_task, sc);
688 mbufq_init(&sc->sc_xmit_queue, 1024);
690 sc->sc_tq = taskqueue_create("iwn_taskq", M_WAITOK,
691 taskqueue_thread_enqueue, &sc->sc_tq);
692 error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "iwn_taskq");
694 device_printf(dev, "can't start threads, error %d\n", error);
698 iwn_sysctlattach(sc);
701 * Hook our interrupt after all initialization is complete.
703 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
704 NULL, iwn_intr, sc, &sc->sc_ih);
706 device_printf(dev, "can't establish interrupt, error %d\n",
712 device_printf(sc->sc_dev, "%s: rx_stats=%d, rx_stats_bt=%d\n",
714 sizeof(struct iwn_stats),
715 sizeof(struct iwn_stats_bt));
719 ieee80211_announce(ic);
720 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
722 /* Add debug ioctl right at the end */
723 sc->sc_cdev = make_dev(&iwn_cdevsw, device_get_unit(dev),
724 UID_ROOT, GID_WHEEL, 0600, "%s", device_get_nameunit(dev));
725 if (sc->sc_cdev == NULL) {
726 device_printf(dev, "failed to create debug character device\n");
728 sc->sc_cdev->si_drv1 = sc;
733 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end in error\n",__func__);
738 * Define specific configuration based on device id and subdevice id
739 * pid : PCI device id
742 iwn_config_specific(struct iwn_softc *sc, uint16_t pid)
751 sc->base_params = &iwn4965_base_params;
752 sc->limits = &iwn4965_sensitivity_limits;
753 sc->fwname = "iwn4965fw";
754 /* Override chains masks, ROM is known to be broken. */
755 sc->txchainmask = IWN_ANT_AB;
756 sc->rxchainmask = IWN_ANT_ABC;
757 /* Enable normal btcoex */
758 sc->sc_flags |= IWN_FLAG_BTCOEX;
763 switch(sc->subdevice_id) {
764 case IWN_SDID_1000_1:
765 case IWN_SDID_1000_2:
766 case IWN_SDID_1000_3:
767 case IWN_SDID_1000_4:
768 case IWN_SDID_1000_5:
769 case IWN_SDID_1000_6:
770 case IWN_SDID_1000_7:
771 case IWN_SDID_1000_8:
772 case IWN_SDID_1000_9:
773 case IWN_SDID_1000_10:
774 case IWN_SDID_1000_11:
775 case IWN_SDID_1000_12:
776 sc->limits = &iwn1000_sensitivity_limits;
777 sc->base_params = &iwn1000_base_params;
778 sc->fwname = "iwn1000fw";
781 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
782 "0x%04x rev %d not supported (subdevice)\n", pid,
783 sc->subdevice_id,sc->hw_type);
792 sc->fwname = "iwn6000fw";
793 sc->limits = &iwn6000_sensitivity_limits;
794 switch(sc->subdevice_id) {
795 case IWN_SDID_6x00_1:
796 case IWN_SDID_6x00_2:
797 case IWN_SDID_6x00_8:
799 sc->base_params = &iwn_6000_base_params;
801 case IWN_SDID_6x00_3:
802 case IWN_SDID_6x00_6:
803 case IWN_SDID_6x00_9:
805 case IWN_SDID_6x00_4:
806 case IWN_SDID_6x00_7:
807 case IWN_SDID_6x00_10:
809 case IWN_SDID_6x00_5:
811 sc->base_params = &iwn_6000i_base_params;
812 sc->sc_flags |= IWN_FLAG_INTERNAL_PA;
813 sc->txchainmask = IWN_ANT_BC;
814 sc->rxchainmask = IWN_ANT_BC;
817 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
818 "0x%04x rev %d not supported (subdevice)\n", pid,
819 sc->subdevice_id,sc->hw_type);
826 switch(sc->subdevice_id) {
827 case IWN_SDID_6x05_1:
828 case IWN_SDID_6x05_4:
829 case IWN_SDID_6x05_6:
831 case IWN_SDID_6x05_2:
832 case IWN_SDID_6x05_5:
833 case IWN_SDID_6x05_7:
835 case IWN_SDID_6x05_3:
837 case IWN_SDID_6x05_8:
838 case IWN_SDID_6x05_9:
839 //iwl6005_2agn_sff_cfg
840 case IWN_SDID_6x05_10:
842 case IWN_SDID_6x05_11:
843 //iwl6005_2agn_mow1_cfg
844 case IWN_SDID_6x05_12:
845 //iwl6005_2agn_mow2_cfg
846 sc->fwname = "iwn6000g2afw";
847 sc->limits = &iwn6000_sensitivity_limits;
848 sc->base_params = &iwn_6000g2_base_params;
851 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
852 "0x%04x rev %d not supported (subdevice)\n", pid,
853 sc->subdevice_id,sc->hw_type);
860 switch(sc->subdevice_id) {
861 case IWN_SDID_6035_1:
862 case IWN_SDID_6035_2:
863 case IWN_SDID_6035_3:
864 case IWN_SDID_6035_4:
865 sc->fwname = "iwn6000g2bfw";
866 sc->limits = &iwn6235_sensitivity_limits;
867 sc->base_params = &iwn_6235_base_params;
870 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
871 "0x%04x rev %d not supported (subdevice)\n", pid,
872 sc->subdevice_id,sc->hw_type);
876 /* 6x50 WiFi/WiMax Series */
879 switch(sc->subdevice_id) {
880 case IWN_SDID_6050_1:
881 case IWN_SDID_6050_3:
882 case IWN_SDID_6050_5:
884 case IWN_SDID_6050_2:
885 case IWN_SDID_6050_4:
886 case IWN_SDID_6050_6:
888 sc->fwname = "iwn6050fw";
889 sc->txchainmask = IWN_ANT_AB;
890 sc->rxchainmask = IWN_ANT_AB;
891 sc->limits = &iwn6000_sensitivity_limits;
892 sc->base_params = &iwn_6050_base_params;
895 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
896 "0x%04x rev %d not supported (subdevice)\n", pid,
897 sc->subdevice_id,sc->hw_type);
901 /* 6150 WiFi/WiMax Series */
904 switch(sc->subdevice_id) {
905 case IWN_SDID_6150_1:
906 case IWN_SDID_6150_3:
907 case IWN_SDID_6150_5:
909 case IWN_SDID_6150_2:
910 case IWN_SDID_6150_4:
911 case IWN_SDID_6150_6:
913 sc->fwname = "iwn6050fw";
914 sc->limits = &iwn6000_sensitivity_limits;
915 sc->base_params = &iwn_6150_base_params;
918 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
919 "0x%04x rev %d not supported (subdevice)\n", pid,
920 sc->subdevice_id,sc->hw_type);
924 /* 6030 Series and 1030 Series */
929 switch(sc->subdevice_id) {
930 case IWN_SDID_x030_1:
931 case IWN_SDID_x030_3:
932 case IWN_SDID_x030_5:
934 case IWN_SDID_x030_2:
935 case IWN_SDID_x030_4:
936 case IWN_SDID_x030_6:
938 case IWN_SDID_x030_7:
939 case IWN_SDID_x030_10:
940 case IWN_SDID_x030_14:
942 case IWN_SDID_x030_8:
943 case IWN_SDID_x030_11:
944 case IWN_SDID_x030_15:
946 case IWN_SDID_x030_9:
947 case IWN_SDID_x030_12:
948 case IWN_SDID_x030_16:
950 case IWN_SDID_x030_13:
952 sc->fwname = "iwn6000g2bfw";
953 sc->limits = &iwn6000_sensitivity_limits;
954 sc->base_params = &iwn_6000g2b_base_params;
957 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
958 "0x%04x rev %d not supported (subdevice)\n", pid,
959 sc->subdevice_id,sc->hw_type);
963 /* 130 Series WiFi */
964 /* XXX: This series will need adjustment for rate.
965 * see rx_with_siso_diversity in linux kernel
969 switch(sc->subdevice_id) {
978 sc->fwname = "iwn6000g2bfw";
979 sc->limits = &iwn6000_sensitivity_limits;
980 sc->base_params = &iwn_6000g2b_base_params;
983 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
984 "0x%04x rev %d not supported (subdevice)\n", pid,
985 sc->subdevice_id,sc->hw_type);
989 /* 100 Series WiFi */
992 switch(sc->subdevice_id) {
999 sc->limits = &iwn1000_sensitivity_limits;
1000 sc->base_params = &iwn1000_base_params;
1001 sc->fwname = "iwn100fw";
1004 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1005 "0x%04x rev %d not supported (subdevice)\n", pid,
1006 sc->subdevice_id,sc->hw_type);
1012 /* XXX: This series will need adjustment for rate.
1013 * see rx_with_siso_diversity in linux kernel
1017 switch(sc->subdevice_id) {
1018 case IWN_SDID_105_1:
1019 case IWN_SDID_105_2:
1020 case IWN_SDID_105_3:
1022 case IWN_SDID_105_4:
1024 sc->limits = &iwn2030_sensitivity_limits;
1025 sc->base_params = &iwn2000_base_params;
1026 sc->fwname = "iwn105fw";
1029 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1030 "0x%04x rev %d not supported (subdevice)\n", pid,
1031 sc->subdevice_id,sc->hw_type);
1037 /* XXX: This series will need adjustment for rate.
1038 * see rx_with_siso_diversity in linux kernel
1042 switch(sc->subdevice_id) {
1043 case IWN_SDID_135_1:
1044 case IWN_SDID_135_2:
1045 case IWN_SDID_135_3:
1046 sc->limits = &iwn2030_sensitivity_limits;
1047 sc->base_params = &iwn2030_base_params;
1048 sc->fwname = "iwn135fw";
1051 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1052 "0x%04x rev %d not supported (subdevice)\n", pid,
1053 sc->subdevice_id,sc->hw_type);
1059 case IWN_DID_2x00_1:
1060 case IWN_DID_2x00_2:
1061 switch(sc->subdevice_id) {
1062 case IWN_SDID_2x00_1:
1063 case IWN_SDID_2x00_2:
1064 case IWN_SDID_2x00_3:
1066 case IWN_SDID_2x00_4:
1067 //iwl2000_2bgn_d_cfg
1068 sc->limits = &iwn2030_sensitivity_limits;
1069 sc->base_params = &iwn2000_base_params;
1070 sc->fwname = "iwn2000fw";
1073 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1074 "0x%04x rev %d not supported (subdevice) \n",
1075 pid, sc->subdevice_id, sc->hw_type);
1080 case IWN_DID_2x30_1:
1081 case IWN_DID_2x30_2:
1082 switch(sc->subdevice_id) {
1083 case IWN_SDID_2x30_1:
1084 case IWN_SDID_2x30_3:
1085 case IWN_SDID_2x30_5:
1087 case IWN_SDID_2x30_2:
1088 case IWN_SDID_2x30_4:
1089 case IWN_SDID_2x30_6:
1091 sc->limits = &iwn2030_sensitivity_limits;
1092 sc->base_params = &iwn2030_base_params;
1093 sc->fwname = "iwn2030fw";
1096 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1097 "0x%04x rev %d not supported (subdevice)\n", pid,
1098 sc->subdevice_id,sc->hw_type);
1103 case IWN_DID_5x00_1:
1104 case IWN_DID_5x00_2:
1105 case IWN_DID_5x00_3:
1106 case IWN_DID_5x00_4:
1107 sc->limits = &iwn5000_sensitivity_limits;
1108 sc->base_params = &iwn5000_base_params;
1109 sc->fwname = "iwn5000fw";
1110 switch(sc->subdevice_id) {
1111 case IWN_SDID_5x00_1:
1112 case IWN_SDID_5x00_2:
1113 case IWN_SDID_5x00_3:
1114 case IWN_SDID_5x00_4:
1115 case IWN_SDID_5x00_9:
1116 case IWN_SDID_5x00_10:
1117 case IWN_SDID_5x00_11:
1118 case IWN_SDID_5x00_12:
1119 case IWN_SDID_5x00_17:
1120 case IWN_SDID_5x00_18:
1121 case IWN_SDID_5x00_19:
1122 case IWN_SDID_5x00_20:
1124 sc->txchainmask = IWN_ANT_B;
1125 sc->rxchainmask = IWN_ANT_AB;
1127 case IWN_SDID_5x00_5:
1128 case IWN_SDID_5x00_6:
1129 case IWN_SDID_5x00_13:
1130 case IWN_SDID_5x00_14:
1131 case IWN_SDID_5x00_21:
1132 case IWN_SDID_5x00_22:
1134 sc->txchainmask = IWN_ANT_B;
1135 sc->rxchainmask = IWN_ANT_AB;
1137 case IWN_SDID_5x00_7:
1138 case IWN_SDID_5x00_8:
1139 case IWN_SDID_5x00_15:
1140 case IWN_SDID_5x00_16:
1141 case IWN_SDID_5x00_23:
1142 case IWN_SDID_5x00_24:
1144 sc->txchainmask = IWN_ANT_B;
1145 sc->rxchainmask = IWN_ANT_AB;
1147 case IWN_SDID_5x00_25:
1148 case IWN_SDID_5x00_26:
1149 case IWN_SDID_5x00_27:
1150 case IWN_SDID_5x00_28:
1151 case IWN_SDID_5x00_29:
1152 case IWN_SDID_5x00_30:
1153 case IWN_SDID_5x00_31:
1154 case IWN_SDID_5x00_32:
1155 case IWN_SDID_5x00_33:
1156 case IWN_SDID_5x00_34:
1157 case IWN_SDID_5x00_35:
1158 case IWN_SDID_5x00_36:
1160 sc->txchainmask = IWN_ANT_ABC;
1161 sc->rxchainmask = IWN_ANT_ABC;
1164 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1165 "0x%04x rev %d not supported (subdevice)\n", pid,
1166 sc->subdevice_id,sc->hw_type);
1171 case IWN_DID_5x50_1:
1172 case IWN_DID_5x50_2:
1173 case IWN_DID_5x50_3:
1174 case IWN_DID_5x50_4:
1175 sc->limits = &iwn5000_sensitivity_limits;
1176 sc->base_params = &iwn5000_base_params;
1177 sc->fwname = "iwn5000fw";
1178 switch(sc->subdevice_id) {
1179 case IWN_SDID_5x50_1:
1180 case IWN_SDID_5x50_2:
1181 case IWN_SDID_5x50_3:
1183 sc->limits = &iwn5000_sensitivity_limits;
1184 sc->base_params = &iwn5000_base_params;
1185 sc->fwname = "iwn5000fw";
1187 case IWN_SDID_5x50_4:
1188 case IWN_SDID_5x50_5:
1189 case IWN_SDID_5x50_8:
1190 case IWN_SDID_5x50_9:
1191 case IWN_SDID_5x50_10:
1192 case IWN_SDID_5x50_11:
1194 case IWN_SDID_5x50_6:
1195 case IWN_SDID_5x50_7:
1196 case IWN_SDID_5x50_12:
1197 case IWN_SDID_5x50_13:
1199 sc->limits = &iwn5000_sensitivity_limits;
1200 sc->fwname = "iwn5150fw";
1201 sc->base_params = &iwn_5x50_base_params;
1204 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id :"
1205 "0x%04x rev %d not supported (subdevice)\n", pid,
1206 sc->subdevice_id,sc->hw_type);
1211 device_printf(sc->sc_dev, "adapter type id : 0x%04x sub id : 0x%04x"
1212 "rev 0x%08x not supported (device)\n", pid, sc->subdevice_id,
1220 iwn4965_attach(struct iwn_softc *sc, uint16_t pid)
1222 struct iwn_ops *ops = &sc->ops;
1224 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1225 ops->load_firmware = iwn4965_load_firmware;
1226 ops->read_eeprom = iwn4965_read_eeprom;
1227 ops->post_alive = iwn4965_post_alive;
1228 ops->nic_config = iwn4965_nic_config;
1229 ops->update_sched = iwn4965_update_sched;
1230 ops->get_temperature = iwn4965_get_temperature;
1231 ops->get_rssi = iwn4965_get_rssi;
1232 ops->set_txpower = iwn4965_set_txpower;
1233 ops->init_gains = iwn4965_init_gains;
1234 ops->set_gains = iwn4965_set_gains;
1235 ops->rxon_assoc = iwn4965_rxon_assoc;
1236 ops->add_node = iwn4965_add_node;
1237 ops->tx_done = iwn4965_tx_done;
1238 ops->ampdu_tx_start = iwn4965_ampdu_tx_start;
1239 ops->ampdu_tx_stop = iwn4965_ampdu_tx_stop;
1240 sc->ntxqs = IWN4965_NTXQUEUES;
1241 sc->firstaggqueue = IWN4965_FIRSTAGGQUEUE;
1242 sc->ndmachnls = IWN4965_NDMACHNLS;
1243 sc->broadcast_id = IWN4965_ID_BROADCAST;
1244 sc->rxonsz = IWN4965_RXONSZ;
1245 sc->schedsz = IWN4965_SCHEDSZ;
1246 sc->fw_text_maxsz = IWN4965_FW_TEXT_MAXSZ;
1247 sc->fw_data_maxsz = IWN4965_FW_DATA_MAXSZ;
1248 sc->fwsz = IWN4965_FWSZ;
1249 sc->sched_txfact_addr = IWN4965_SCHED_TXFACT;
1250 sc->limits = &iwn4965_sensitivity_limits;
1251 sc->fwname = "iwn4965fw";
1252 /* Override chains masks, ROM is known to be broken. */
1253 sc->txchainmask = IWN_ANT_AB;
1254 sc->rxchainmask = IWN_ANT_ABC;
1255 /* Enable normal btcoex */
1256 sc->sc_flags |= IWN_FLAG_BTCOEX;
1258 DPRINTF(sc, IWN_DEBUG_TRACE, "%s: end\n",__func__);
1264 iwn5000_attach(struct iwn_softc *sc, uint16_t pid)
1266 struct iwn_ops *ops = &sc->ops;
1268 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1270 ops->load_firmware = iwn5000_load_firmware;
1271 ops->read_eeprom = iwn5000_read_eeprom;
1272 ops->post_alive = iwn5000_post_alive;
1273 ops->nic_config = iwn5000_nic_config;
1274 ops->update_sched = iwn5000_update_sched;
1275 ops->get_temperature = iwn5000_get_temperature;
1276 ops->get_rssi = iwn5000_get_rssi;
1277 ops->set_txpower = iwn5000_set_txpower;
1278 ops->init_gains = iwn5000_init_gains;
1279 ops->set_gains = iwn5000_set_gains;
1280 ops->rxon_assoc = iwn5000_rxon_assoc;
1281 ops->add_node = iwn5000_add_node;
1282 ops->tx_done = iwn5000_tx_done;
1283 ops->ampdu_tx_start = iwn5000_ampdu_tx_start;
1284 ops->ampdu_tx_stop = iwn5000_ampdu_tx_stop;
1285 sc->ntxqs = IWN5000_NTXQUEUES;
1286 sc->firstaggqueue = IWN5000_FIRSTAGGQUEUE;
1287 sc->ndmachnls = IWN5000_NDMACHNLS;
1288 sc->broadcast_id = IWN5000_ID_BROADCAST;
1289 sc->rxonsz = IWN5000_RXONSZ;
1290 sc->schedsz = IWN5000_SCHEDSZ;
1291 sc->fw_text_maxsz = IWN5000_FW_TEXT_MAXSZ;
1292 sc->fw_data_maxsz = IWN5000_FW_DATA_MAXSZ;
1293 sc->fwsz = IWN5000_FWSZ;
1294 sc->sched_txfact_addr = IWN5000_SCHED_TXFACT;
1295 sc->reset_noise_gain = IWN5000_PHY_CALIB_RESET_NOISE_GAIN;
1296 sc->noise_gain = IWN5000_PHY_CALIB_NOISE_GAIN;
1302 * Attach the interface to 802.11 radiotap.
1305 iwn_radiotap_attach(struct iwn_softc *sc)
1308 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1309 ieee80211_radiotap_attach(&sc->sc_ic,
1310 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
1311 IWN_TX_RADIOTAP_PRESENT,
1312 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
1313 IWN_RX_RADIOTAP_PRESENT);
1314 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
1318 iwn_sysctlattach(struct iwn_softc *sc)
1321 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1322 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1325 "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug,
1326 "control debugging printfs");
1330 static struct ieee80211vap *
1331 iwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
1332 enum ieee80211_opmode opmode, int flags,
1333 const uint8_t bssid[IEEE80211_ADDR_LEN],
1334 const uint8_t mac[IEEE80211_ADDR_LEN])
1336 struct iwn_softc *sc = ic->ic_softc;
1337 struct iwn_vap *ivp;
1338 struct ieee80211vap *vap;
1340 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
1343 ivp = malloc(sizeof(struct iwn_vap), M_80211_VAP, M_WAITOK | M_ZERO);
1345 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid);
1346 ivp->ctx = IWN_RXON_BSS_CTX;
1347 vap->iv_bmissthreshold = 10; /* override default */
1348 /* Override with driver methods. */
1349 ivp->iv_newstate = vap->iv_newstate;
1350 vap->iv_newstate = iwn_newstate;
1351 sc->ivap[IWN_RXON_BSS_CTX] = vap;
1353 ieee80211_ratectl_init(vap);
1354 /* Complete setup. */
1355 ieee80211_vap_attach(vap, iwn_media_change, ieee80211_media_status,
1357 ic->ic_opmode = opmode;
1362 iwn_vap_delete(struct ieee80211vap *vap)
1364 struct iwn_vap *ivp = IWN_VAP(vap);
1366 ieee80211_ratectl_deinit(vap);
1367 ieee80211_vap_detach(vap);
1368 free(ivp, M_80211_VAP);
1372 iwn_xmit_queue_drain(struct iwn_softc *sc)
1375 struct ieee80211_node *ni;
1377 IWN_LOCK_ASSERT(sc);
1378 while ((m = mbufq_dequeue(&sc->sc_xmit_queue)) != NULL) {
1379 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
1380 ieee80211_free_node(ni);
1386 iwn_xmit_queue_enqueue(struct iwn_softc *sc, struct mbuf *m)
1389 IWN_LOCK_ASSERT(sc);
1390 return (mbufq_enqueue(&sc->sc_xmit_queue, m));
1394 iwn_detach(device_t dev)
1396 struct iwn_softc *sc = device_get_softc(dev);
1399 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1401 if (sc->sc_ic.ic_softc != NULL) {
1402 /* Free the mbuf queue and node references */
1404 iwn_xmit_queue_drain(sc);
1409 taskqueue_drain_all(sc->sc_tq);
1410 taskqueue_free(sc->sc_tq);
1412 callout_drain(&sc->watchdog_to);
1413 callout_drain(&sc->scan_timeout);
1414 callout_drain(&sc->calib_to);
1415 ieee80211_ifdetach(&sc->sc_ic);
1418 /* Uninstall interrupt handler. */
1419 if (sc->irq != NULL) {
1420 bus_teardown_intr(dev, sc->irq, sc->sc_ih);
1421 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq),
1423 pci_release_msi(dev);
1426 /* Free DMA resources. */
1427 iwn_free_rx_ring(sc, &sc->rxq);
1428 for (qid = 0; qid < sc->ntxqs; qid++)
1429 iwn_free_tx_ring(sc, &sc->txq[qid]);
1432 if (sc->ict != NULL)
1436 if (sc->mem != NULL)
1437 bus_release_resource(dev, SYS_RES_MEMORY,
1438 rman_get_rid(sc->mem), sc->mem);
1441 destroy_dev(sc->sc_cdev);
1445 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n", __func__);
1446 IWN_LOCK_DESTROY(sc);
1451 iwn_shutdown(device_t dev)
1453 struct iwn_softc *sc = device_get_softc(dev);
1460 iwn_suspend(device_t dev)
1462 struct iwn_softc *sc = device_get_softc(dev);
1464 ieee80211_suspend_all(&sc->sc_ic);
1469 iwn_resume(device_t dev)
1471 struct iwn_softc *sc = device_get_softc(dev);
1473 /* Clear device-specific "PCI retry timeout" register (41h). */
1474 pci_write_config(dev, 0x41, 0, 1);
1476 ieee80211_resume_all(&sc->sc_ic);
1481 iwn_nic_lock(struct iwn_softc *sc)
1485 /* Request exclusive access to NIC. */
1486 IWN_SETBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_MAC_ACCESS_REQ);
1488 /* Spin until we actually get the lock. */
1489 for (ntries = 0; ntries < 1000; ntries++) {
1490 if ((IWN_READ(sc, IWN_GP_CNTRL) &
1491 (IWN_GP_CNTRL_MAC_ACCESS_ENA | IWN_GP_CNTRL_SLEEP)) ==
1492 IWN_GP_CNTRL_MAC_ACCESS_ENA)
1499 static __inline void
1500 iwn_nic_unlock(struct iwn_softc *sc)
1502 IWN_CLRBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_MAC_ACCESS_REQ);
1505 static __inline uint32_t
1506 iwn_prph_read(struct iwn_softc *sc, uint32_t addr)
1508 IWN_WRITE(sc, IWN_PRPH_RADDR, IWN_PRPH_DWORD | addr);
1509 IWN_BARRIER_READ_WRITE(sc);
1510 return IWN_READ(sc, IWN_PRPH_RDATA);
1513 static __inline void
1514 iwn_prph_write(struct iwn_softc *sc, uint32_t addr, uint32_t data)
1516 IWN_WRITE(sc, IWN_PRPH_WADDR, IWN_PRPH_DWORD | addr);
1517 IWN_BARRIER_WRITE(sc);
1518 IWN_WRITE(sc, IWN_PRPH_WDATA, data);
1521 static __inline void
1522 iwn_prph_setbits(struct iwn_softc *sc, uint32_t addr, uint32_t mask)
1524 iwn_prph_write(sc, addr, iwn_prph_read(sc, addr) | mask);
1527 static __inline void
1528 iwn_prph_clrbits(struct iwn_softc *sc, uint32_t addr, uint32_t mask)
1530 iwn_prph_write(sc, addr, iwn_prph_read(sc, addr) & ~mask);
1533 static __inline void
1534 iwn_prph_write_region_4(struct iwn_softc *sc, uint32_t addr,
1535 const uint32_t *data, int count)
1537 for (; count > 0; count--, data++, addr += 4)
1538 iwn_prph_write(sc, addr, *data);
1541 static __inline uint32_t
1542 iwn_mem_read(struct iwn_softc *sc, uint32_t addr)
1544 IWN_WRITE(sc, IWN_MEM_RADDR, addr);
1545 IWN_BARRIER_READ_WRITE(sc);
1546 return IWN_READ(sc, IWN_MEM_RDATA);
1549 static __inline void
1550 iwn_mem_write(struct iwn_softc *sc, uint32_t addr, uint32_t data)
1552 IWN_WRITE(sc, IWN_MEM_WADDR, addr);
1553 IWN_BARRIER_WRITE(sc);
1554 IWN_WRITE(sc, IWN_MEM_WDATA, data);
1557 static __inline void
1558 iwn_mem_write_2(struct iwn_softc *sc, uint32_t addr, uint16_t data)
1562 tmp = iwn_mem_read(sc, addr & ~3);
1564 tmp = (tmp & 0x0000ffff) | data << 16;
1566 tmp = (tmp & 0xffff0000) | data;
1567 iwn_mem_write(sc, addr & ~3, tmp);
1570 static __inline void
1571 iwn_mem_read_region_4(struct iwn_softc *sc, uint32_t addr, uint32_t *data,
1574 for (; count > 0; count--, addr += 4)
1575 *data++ = iwn_mem_read(sc, addr);
1578 static __inline void
1579 iwn_mem_set_region_4(struct iwn_softc *sc, uint32_t addr, uint32_t val,
1582 for (; count > 0; count--, addr += 4)
1583 iwn_mem_write(sc, addr, val);
1587 iwn_eeprom_lock(struct iwn_softc *sc)
1591 for (i = 0; i < 100; i++) {
1592 /* Request exclusive access to EEPROM. */
1593 IWN_SETBITS(sc, IWN_HW_IF_CONFIG,
1594 IWN_HW_IF_CONFIG_EEPROM_LOCKED);
1596 /* Spin until we actually get the lock. */
1597 for (ntries = 0; ntries < 100; ntries++) {
1598 if (IWN_READ(sc, IWN_HW_IF_CONFIG) &
1599 IWN_HW_IF_CONFIG_EEPROM_LOCKED)
1604 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end timeout\n", __func__);
1608 static __inline void
1609 iwn_eeprom_unlock(struct iwn_softc *sc)
1611 IWN_CLRBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_EEPROM_LOCKED);
1615 * Initialize access by host to One Time Programmable ROM.
1616 * NB: This kind of ROM can be found on 1000 or 6000 Series only.
1619 iwn_init_otprom(struct iwn_softc *sc)
1621 uint16_t prev, base, next;
1624 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1626 /* Wait for clock stabilization before accessing prph. */
1627 if ((error = iwn_clock_wait(sc)) != 0)
1630 if ((error = iwn_nic_lock(sc)) != 0)
1632 iwn_prph_setbits(sc, IWN_APMG_PS, IWN_APMG_PS_RESET_REQ);
1634 iwn_prph_clrbits(sc, IWN_APMG_PS, IWN_APMG_PS_RESET_REQ);
1637 /* Set auto clock gate disable bit for HW with OTP shadow RAM. */
1638 if (sc->base_params->shadow_ram_support) {
1639 IWN_SETBITS(sc, IWN_DBG_LINK_PWR_MGMT,
1640 IWN_RESET_LINK_PWR_MGMT_DIS);
1642 IWN_CLRBITS(sc, IWN_EEPROM_GP, IWN_EEPROM_GP_IF_OWNER);
1643 /* Clear ECC status. */
1644 IWN_SETBITS(sc, IWN_OTP_GP,
1645 IWN_OTP_GP_ECC_CORR_STTS | IWN_OTP_GP_ECC_UNCORR_STTS);
1648 * Find the block before last block (contains the EEPROM image)
1649 * for HW without OTP shadow RAM.
1651 if (! sc->base_params->shadow_ram_support) {
1652 /* Switch to absolute addressing mode. */
1653 IWN_CLRBITS(sc, IWN_OTP_GP, IWN_OTP_GP_RELATIVE_ACCESS);
1655 for (count = 0; count < sc->base_params->max_ll_items;
1657 error = iwn_read_prom_data(sc, base, &next, 2);
1660 if (next == 0) /* End of linked-list. */
1663 base = le16toh(next);
1665 if (count == 0 || count == sc->base_params->max_ll_items)
1667 /* Skip "next" word. */
1668 sc->prom_base = prev + 1;
1671 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
1677 iwn_read_prom_data(struct iwn_softc *sc, uint32_t addr, void *data, int count)
1679 uint8_t *out = data;
1683 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1685 addr += sc->prom_base;
1686 for (; count > 0; count -= 2, addr++) {
1687 IWN_WRITE(sc, IWN_EEPROM, addr << 2);
1688 for (ntries = 0; ntries < 10; ntries++) {
1689 val = IWN_READ(sc, IWN_EEPROM);
1690 if (val & IWN_EEPROM_READ_VALID)
1695 device_printf(sc->sc_dev,
1696 "timeout reading ROM at 0x%x\n", addr);
1699 if (sc->sc_flags & IWN_FLAG_HAS_OTPROM) {
1700 /* OTPROM, check for ECC errors. */
1701 tmp = IWN_READ(sc, IWN_OTP_GP);
1702 if (tmp & IWN_OTP_GP_ECC_UNCORR_STTS) {
1703 device_printf(sc->sc_dev,
1704 "OTPROM ECC error at 0x%x\n", addr);
1707 if (tmp & IWN_OTP_GP_ECC_CORR_STTS) {
1708 /* Correctable ECC error, clear bit. */
1709 IWN_SETBITS(sc, IWN_OTP_GP,
1710 IWN_OTP_GP_ECC_CORR_STTS);
1718 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
1724 iwn_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1728 KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs));
1729 *(bus_addr_t *)arg = segs[0].ds_addr;
1733 iwn_dma_contig_alloc(struct iwn_softc *sc, struct iwn_dma_info *dma,
1734 void **kvap, bus_size_t size, bus_size_t alignment)
1741 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment,
1742 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size,
1743 1, size, 0, NULL, NULL, &dma->tag);
1747 error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr,
1748 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map);
1752 error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size,
1753 iwn_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT);
1757 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
1764 fail: iwn_dma_contig_free(dma);
1769 iwn_dma_contig_free(struct iwn_dma_info *dma)
1771 if (dma->vaddr != NULL) {
1772 bus_dmamap_sync(dma->tag, dma->map,
1773 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1774 bus_dmamap_unload(dma->tag, dma->map);
1775 bus_dmamem_free(dma->tag, dma->vaddr, dma->map);
1778 if (dma->tag != NULL) {
1779 bus_dma_tag_destroy(dma->tag);
1785 iwn_alloc_sched(struct iwn_softc *sc)
1787 /* TX scheduler rings must be aligned on a 1KB boundary. */
1788 return iwn_dma_contig_alloc(sc, &sc->sched_dma, (void **)&sc->sched,
1793 iwn_free_sched(struct iwn_softc *sc)
1795 iwn_dma_contig_free(&sc->sched_dma);
1799 iwn_alloc_kw(struct iwn_softc *sc)
1801 /* "Keep Warm" page must be aligned on a 4KB boundary. */
1802 return iwn_dma_contig_alloc(sc, &sc->kw_dma, NULL, 4096, 4096);
1806 iwn_free_kw(struct iwn_softc *sc)
1808 iwn_dma_contig_free(&sc->kw_dma);
1812 iwn_alloc_ict(struct iwn_softc *sc)
1814 /* ICT table must be aligned on a 4KB boundary. */
1815 return iwn_dma_contig_alloc(sc, &sc->ict_dma, (void **)&sc->ict,
1816 IWN_ICT_SIZE, 4096);
1820 iwn_free_ict(struct iwn_softc *sc)
1822 iwn_dma_contig_free(&sc->ict_dma);
1826 iwn_alloc_fwmem(struct iwn_softc *sc)
1828 /* Must be aligned on a 16-byte boundary. */
1829 return iwn_dma_contig_alloc(sc, &sc->fw_dma, NULL, sc->fwsz, 16);
1833 iwn_free_fwmem(struct iwn_softc *sc)
1835 iwn_dma_contig_free(&sc->fw_dma);
1839 iwn_alloc_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1846 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1848 /* Allocate RX descriptors (256-byte aligned). */
1849 size = IWN_RX_RING_COUNT * sizeof (uint32_t);
1850 error = iwn_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc,
1853 device_printf(sc->sc_dev,
1854 "%s: could not allocate RX ring DMA memory, error %d\n",
1859 /* Allocate RX status area (16-byte aligned). */
1860 error = iwn_dma_contig_alloc(sc, &ring->stat_dma, (void **)&ring->stat,
1861 sizeof (struct iwn_rx_status), 16);
1863 device_printf(sc->sc_dev,
1864 "%s: could not allocate RX status DMA memory, error %d\n",
1869 /* Create RX buffer DMA tag. */
1870 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
1871 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1872 IWN_RBUF_SIZE, 1, IWN_RBUF_SIZE, 0, NULL, NULL, &ring->data_dmat);
1874 device_printf(sc->sc_dev,
1875 "%s: could not create RX buf DMA tag, error %d\n",
1881 * Allocate and map RX buffers.
1883 for (i = 0; i < IWN_RX_RING_COUNT; i++) {
1884 struct iwn_rx_data *data = &ring->data[i];
1887 error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
1889 device_printf(sc->sc_dev,
1890 "%s: could not create RX buf DMA map, error %d\n",
1895 data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR,
1897 if (data->m == NULL) {
1898 device_printf(sc->sc_dev,
1899 "%s: could not allocate RX mbuf\n", __func__);
1904 error = bus_dmamap_load(ring->data_dmat, data->map,
1905 mtod(data->m, void *), IWN_RBUF_SIZE, iwn_dma_map_addr,
1906 &paddr, BUS_DMA_NOWAIT);
1907 if (error != 0 && error != EFBIG) {
1908 device_printf(sc->sc_dev,
1909 "%s: can't map mbuf, error %d\n", __func__,
1914 bus_dmamap_sync(ring->data_dmat, data->map,
1915 BUS_DMASYNC_PREREAD);
1917 /* Set physical address of RX buffer (256-byte aligned). */
1918 ring->desc[i] = htole32(paddr >> 8);
1921 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
1922 BUS_DMASYNC_PREWRITE);
1924 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
1928 fail: iwn_free_rx_ring(sc, ring);
1930 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end in error\n",__func__);
1936 iwn_reset_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1940 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
1942 if (iwn_nic_lock(sc) == 0) {
1943 IWN_WRITE(sc, IWN_FH_RX_CONFIG, 0);
1944 for (ntries = 0; ntries < 1000; ntries++) {
1945 if (IWN_READ(sc, IWN_FH_RX_STATUS) &
1946 IWN_FH_RX_STATUS_IDLE)
1953 sc->last_rx_valid = 0;
1957 iwn_free_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1961 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s \n", __func__);
1963 iwn_dma_contig_free(&ring->desc_dma);
1964 iwn_dma_contig_free(&ring->stat_dma);
1966 for (i = 0; i < IWN_RX_RING_COUNT; i++) {
1967 struct iwn_rx_data *data = &ring->data[i];
1969 if (data->m != NULL) {
1970 bus_dmamap_sync(ring->data_dmat, data->map,
1971 BUS_DMASYNC_POSTREAD);
1972 bus_dmamap_unload(ring->data_dmat, data->map);
1976 if (data->map != NULL)
1977 bus_dmamap_destroy(ring->data_dmat, data->map);
1979 if (ring->data_dmat != NULL) {
1980 bus_dma_tag_destroy(ring->data_dmat);
1981 ring->data_dmat = NULL;
1986 iwn_alloc_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring, int qid)
1996 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
1998 /* Allocate TX descriptors (256-byte aligned). */
1999 size = IWN_TX_RING_COUNT * sizeof (struct iwn_tx_desc);
2000 error = iwn_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc,
2003 device_printf(sc->sc_dev,
2004 "%s: could not allocate TX ring DMA memory, error %d\n",
2009 size = IWN_TX_RING_COUNT * sizeof (struct iwn_tx_cmd);
2010 error = iwn_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd,
2013 device_printf(sc->sc_dev,
2014 "%s: could not allocate TX cmd DMA memory, error %d\n",
2019 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
2020 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
2021 IWN_MAX_SCATTER - 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat);
2023 device_printf(sc->sc_dev,
2024 "%s: could not create TX buf DMA tag, error %d\n",
2029 paddr = ring->cmd_dma.paddr;
2030 for (i = 0; i < IWN_TX_RING_COUNT; i++) {
2031 struct iwn_tx_data *data = &ring->data[i];
2033 data->cmd_paddr = paddr;
2034 data->scratch_paddr = paddr + 12;
2035 paddr += sizeof (struct iwn_tx_cmd);
2037 error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
2039 device_printf(sc->sc_dev,
2040 "%s: could not create TX buf DMA map, error %d\n",
2046 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2050 fail: iwn_free_tx_ring(sc, ring);
2051 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end in error\n", __func__);
2056 iwn_reset_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
2060 DPRINTF(sc, IWN_DEBUG_TRACE, "->doing %s \n", __func__);
2062 for (i = 0; i < IWN_TX_RING_COUNT; i++) {
2063 struct iwn_tx_data *data = &ring->data[i];
2065 if (data->m != NULL) {
2066 bus_dmamap_sync(ring->data_dmat, data->map,
2067 BUS_DMASYNC_POSTWRITE);
2068 bus_dmamap_unload(ring->data_dmat, data->map);
2072 if (data->ni != NULL) {
2073 ieee80211_free_node(data->ni);
2077 /* Clear TX descriptors. */
2078 memset(ring->desc, 0, ring->desc_dma.size);
2079 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
2080 BUS_DMASYNC_PREWRITE);
2081 sc->qfullmsk &= ~(1 << ring->qid);
2087 iwn_free_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
2091 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s \n", __func__);
2093 iwn_dma_contig_free(&ring->desc_dma);
2094 iwn_dma_contig_free(&ring->cmd_dma);
2096 for (i = 0; i < IWN_TX_RING_COUNT; i++) {
2097 struct iwn_tx_data *data = &ring->data[i];
2099 if (data->m != NULL) {
2100 bus_dmamap_sync(ring->data_dmat, data->map,
2101 BUS_DMASYNC_POSTWRITE);
2102 bus_dmamap_unload(ring->data_dmat, data->map);
2105 if (data->map != NULL)
2106 bus_dmamap_destroy(ring->data_dmat, data->map);
2108 if (ring->data_dmat != NULL) {
2109 bus_dma_tag_destroy(ring->data_dmat);
2110 ring->data_dmat = NULL;
2115 iwn5000_ict_reset(struct iwn_softc *sc)
2117 /* Disable interrupts. */
2118 IWN_WRITE(sc, IWN_INT_MASK, 0);
2120 /* Reset ICT table. */
2121 memset(sc->ict, 0, IWN_ICT_SIZE);
2124 bus_dmamap_sync(sc->ict_dma.tag, sc->ict_dma.map,
2125 BUS_DMASYNC_PREWRITE);
2127 /* Set physical address of ICT table (4KB aligned). */
2128 DPRINTF(sc, IWN_DEBUG_RESET, "%s: enabling ICT\n", __func__);
2129 IWN_WRITE(sc, IWN_DRAM_INT_TBL, IWN_DRAM_INT_TBL_ENABLE |
2130 IWN_DRAM_INT_TBL_WRAP_CHECK | sc->ict_dma.paddr >> 12);
2132 /* Enable periodic RX interrupt. */
2133 sc->int_mask |= IWN_INT_RX_PERIODIC;
2134 /* Switch to ICT interrupt mode in driver. */
2135 sc->sc_flags |= IWN_FLAG_USE_ICT;
2137 /* Re-enable interrupts. */
2138 IWN_WRITE(sc, IWN_INT, 0xffffffff);
2139 IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask);
2143 iwn_read_eeprom(struct iwn_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN])
2145 struct iwn_ops *ops = &sc->ops;
2149 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2151 /* Check whether adapter has an EEPROM or an OTPROM. */
2152 if (sc->hw_type >= IWN_HW_REV_TYPE_1000 &&
2153 (IWN_READ(sc, IWN_OTP_GP) & IWN_OTP_GP_DEV_SEL_OTP))
2154 sc->sc_flags |= IWN_FLAG_HAS_OTPROM;
2155 DPRINTF(sc, IWN_DEBUG_RESET, "%s found\n",
2156 (sc->sc_flags & IWN_FLAG_HAS_OTPROM) ? "OTPROM" : "EEPROM");
2158 /* Adapter has to be powered on for EEPROM access to work. */
2159 if ((error = iwn_apm_init(sc)) != 0) {
2160 device_printf(sc->sc_dev,
2161 "%s: could not power ON adapter, error %d\n", __func__,
2166 if ((IWN_READ(sc, IWN_EEPROM_GP) & 0x7) == 0) {
2167 device_printf(sc->sc_dev, "%s: bad ROM signature\n", __func__);
2170 if ((error = iwn_eeprom_lock(sc)) != 0) {
2171 device_printf(sc->sc_dev, "%s: could not lock ROM, error %d\n",
2175 if (sc->sc_flags & IWN_FLAG_HAS_OTPROM) {
2176 if ((error = iwn_init_otprom(sc)) != 0) {
2177 device_printf(sc->sc_dev,
2178 "%s: could not initialize OTPROM, error %d\n",
2184 iwn_read_prom_data(sc, IWN_EEPROM_SKU_CAP, &val, 2);
2185 DPRINTF(sc, IWN_DEBUG_RESET, "SKU capabilities=0x%04x\n", le16toh(val));
2186 /* Check if HT support is bonded out. */
2187 if (val & htole16(IWN_EEPROM_SKU_CAP_11N))
2188 sc->sc_flags |= IWN_FLAG_HAS_11N;
2190 iwn_read_prom_data(sc, IWN_EEPROM_RFCFG, &val, 2);
2191 sc->rfcfg = le16toh(val);
2192 DPRINTF(sc, IWN_DEBUG_RESET, "radio config=0x%04x\n", sc->rfcfg);
2193 /* Read Tx/Rx chains from ROM unless it's known to be broken. */
2194 if (sc->txchainmask == 0)
2195 sc->txchainmask = IWN_RFCFG_TXANTMSK(sc->rfcfg);
2196 if (sc->rxchainmask == 0)
2197 sc->rxchainmask = IWN_RFCFG_RXANTMSK(sc->rfcfg);
2199 /* Read MAC address. */
2200 iwn_read_prom_data(sc, IWN_EEPROM_MAC, macaddr, 6);
2202 /* Read adapter-specific information from EEPROM. */
2203 ops->read_eeprom(sc);
2205 iwn_apm_stop(sc); /* Power OFF adapter. */
2207 iwn_eeprom_unlock(sc);
2209 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2215 iwn4965_read_eeprom(struct iwn_softc *sc)
2221 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2223 /* Read regulatory domain (4 ASCII characters). */
2224 iwn_read_prom_data(sc, IWN4965_EEPROM_DOMAIN, sc->eeprom_domain, 4);
2226 /* Read the list of authorized channels (20MHz & 40MHz). */
2227 for (i = 0; i < IWN_NBANDS - 1; i++) {
2228 addr = iwn4965_regulatory_bands[i];
2229 iwn_read_eeprom_channels(sc, i, addr);
2232 /* Read maximum allowed TX power for 2GHz and 5GHz bands. */
2233 iwn_read_prom_data(sc, IWN4965_EEPROM_MAXPOW, &val, 2);
2234 sc->maxpwr2GHz = val & 0xff;
2235 sc->maxpwr5GHz = val >> 8;
2236 /* Check that EEPROM values are within valid range. */
2237 if (sc->maxpwr5GHz < 20 || sc->maxpwr5GHz > 50)
2238 sc->maxpwr5GHz = 38;
2239 if (sc->maxpwr2GHz < 20 || sc->maxpwr2GHz > 50)
2240 sc->maxpwr2GHz = 38;
2241 DPRINTF(sc, IWN_DEBUG_RESET, "maxpwr 2GHz=%d 5GHz=%d\n",
2242 sc->maxpwr2GHz, sc->maxpwr5GHz);
2244 /* Read samples for each TX power group. */
2245 iwn_read_prom_data(sc, IWN4965_EEPROM_BANDS, sc->bands,
2248 /* Read voltage at which samples were taken. */
2249 iwn_read_prom_data(sc, IWN4965_EEPROM_VOLTAGE, &val, 2);
2250 sc->eeprom_voltage = (int16_t)le16toh(val);
2251 DPRINTF(sc, IWN_DEBUG_RESET, "voltage=%d (in 0.3V)\n",
2252 sc->eeprom_voltage);
2255 /* Print samples. */
2256 if (sc->sc_debug & IWN_DEBUG_ANY) {
2257 for (i = 0; i < IWN_NBANDS - 1; i++)
2258 iwn4965_print_power_group(sc, i);
2262 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2267 iwn4965_print_power_group(struct iwn_softc *sc, int i)
2269 struct iwn4965_eeprom_band *band = &sc->bands[i];
2270 struct iwn4965_eeprom_chan_samples *chans = band->chans;
2273 printf("===band %d===\n", i);
2274 printf("chan lo=%d, chan hi=%d\n", band->lo, band->hi);
2275 printf("chan1 num=%d\n", chans[0].num);
2276 for (c = 0; c < 2; c++) {
2277 for (j = 0; j < IWN_NSAMPLES; j++) {
2278 printf("chain %d, sample %d: temp=%d gain=%d "
2279 "power=%d pa_det=%d\n", c, j,
2280 chans[0].samples[c][j].temp,
2281 chans[0].samples[c][j].gain,
2282 chans[0].samples[c][j].power,
2283 chans[0].samples[c][j].pa_det);
2286 printf("chan2 num=%d\n", chans[1].num);
2287 for (c = 0; c < 2; c++) {
2288 for (j = 0; j < IWN_NSAMPLES; j++) {
2289 printf("chain %d, sample %d: temp=%d gain=%d "
2290 "power=%d pa_det=%d\n", c, j,
2291 chans[1].samples[c][j].temp,
2292 chans[1].samples[c][j].gain,
2293 chans[1].samples[c][j].power,
2294 chans[1].samples[c][j].pa_det);
2301 iwn5000_read_eeprom(struct iwn_softc *sc)
2303 struct iwn5000_eeprom_calib_hdr hdr;
2305 uint32_t base, addr;
2309 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2311 /* Read regulatory domain (4 ASCII characters). */
2312 iwn_read_prom_data(sc, IWN5000_EEPROM_REG, &val, 2);
2313 base = le16toh(val);
2314 iwn_read_prom_data(sc, base + IWN5000_EEPROM_DOMAIN,
2315 sc->eeprom_domain, 4);
2317 /* Read the list of authorized channels (20MHz & 40MHz). */
2318 for (i = 0; i < IWN_NBANDS - 1; i++) {
2319 addr = base + sc->base_params->regulatory_bands[i];
2320 iwn_read_eeprom_channels(sc, i, addr);
2323 /* Read enhanced TX power information for 6000 Series. */
2324 if (sc->base_params->enhanced_TX_power)
2325 iwn_read_eeprom_enhinfo(sc);
2327 iwn_read_prom_data(sc, IWN5000_EEPROM_CAL, &val, 2);
2328 base = le16toh(val);
2329 iwn_read_prom_data(sc, base, &hdr, sizeof hdr);
2330 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
2331 "%s: calib version=%u pa type=%u voltage=%u\n", __func__,
2332 hdr.version, hdr.pa_type, le16toh(hdr.volt));
2333 sc->calib_ver = hdr.version;
2335 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSETv2) {
2336 sc->eeprom_voltage = le16toh(hdr.volt);
2337 iwn_read_prom_data(sc, base + IWN5000_EEPROM_TEMP, &val, 2);
2338 sc->eeprom_temp_high=le16toh(val);
2339 iwn_read_prom_data(sc, base + IWN5000_EEPROM_VOLT, &val, 2);
2340 sc->eeprom_temp = le16toh(val);
2343 if (sc->hw_type == IWN_HW_REV_TYPE_5150) {
2344 /* Compute temperature offset. */
2345 iwn_read_prom_data(sc, base + IWN5000_EEPROM_TEMP, &val, 2);
2346 sc->eeprom_temp = le16toh(val);
2347 iwn_read_prom_data(sc, base + IWN5000_EEPROM_VOLT, &val, 2);
2348 volt = le16toh(val);
2349 sc->temp_off = sc->eeprom_temp - (volt / -5);
2350 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "temp=%d volt=%d offset=%dK\n",
2351 sc->eeprom_temp, volt, sc->temp_off);
2353 /* Read crystal calibration. */
2354 iwn_read_prom_data(sc, base + IWN5000_EEPROM_CRYSTAL,
2355 &sc->eeprom_crystal, sizeof (uint32_t));
2356 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "crystal calibration 0x%08x\n",
2357 le32toh(sc->eeprom_crystal));
2360 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2365 * Translate EEPROM flags to net80211.
2368 iwn_eeprom_channel_flags(struct iwn_eeprom_chan *channel)
2373 if ((channel->flags & IWN_EEPROM_CHAN_ACTIVE) == 0)
2374 nflags |= IEEE80211_CHAN_PASSIVE;
2375 if ((channel->flags & IWN_EEPROM_CHAN_IBSS) == 0)
2376 nflags |= IEEE80211_CHAN_NOADHOC;
2377 if (channel->flags & IWN_EEPROM_CHAN_RADAR) {
2378 nflags |= IEEE80211_CHAN_DFS;
2379 /* XXX apparently IBSS may still be marked */
2380 nflags |= IEEE80211_CHAN_NOADHOC;
2387 iwn_read_eeprom_band(struct iwn_softc *sc, int n, int maxchans, int *nchans,
2388 struct ieee80211_channel chans[])
2390 struct iwn_eeprom_chan *channels = sc->eeprom_channels[n];
2391 const struct iwn_chan_band *band = &iwn_bands[n];
2392 uint8_t bands[IEEE80211_MODE_BYTES];
2394 int i, error, nflags;
2396 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2398 memset(bands, 0, sizeof(bands));
2400 setbit(bands, IEEE80211_MODE_11B);
2401 setbit(bands, IEEE80211_MODE_11G);
2402 if (sc->sc_flags & IWN_FLAG_HAS_11N)
2403 setbit(bands, IEEE80211_MODE_11NG);
2405 setbit(bands, IEEE80211_MODE_11A);
2406 if (sc->sc_flags & IWN_FLAG_HAS_11N)
2407 setbit(bands, IEEE80211_MODE_11NA);
2410 for (i = 0; i < band->nchan; i++) {
2411 if (!(channels[i].flags & IWN_EEPROM_CHAN_VALID)) {
2412 DPRINTF(sc, IWN_DEBUG_RESET,
2413 "skip chan %d flags 0x%x maxpwr %d\n",
2414 band->chan[i], channels[i].flags,
2415 channels[i].maxpwr);
2419 chan = band->chan[i];
2420 nflags = iwn_eeprom_channel_flags(&channels[i]);
2421 error = ieee80211_add_channel(chans, maxchans, nchans,
2422 chan, 0, channels[i].maxpwr, nflags, bands);
2426 /* Save maximum allowed TX power for this channel. */
2428 sc->maxpwr[chan] = channels[i].maxpwr;
2430 DPRINTF(sc, IWN_DEBUG_RESET,
2431 "add chan %d flags 0x%x maxpwr %d\n", chan,
2432 channels[i].flags, channels[i].maxpwr);
2435 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2440 iwn_read_eeprom_ht40(struct iwn_softc *sc, int n, int maxchans, int *nchans,
2441 struct ieee80211_channel chans[])
2443 struct iwn_eeprom_chan *channels = sc->eeprom_channels[n];
2444 const struct iwn_chan_band *band = &iwn_bands[n];
2446 int i, error, nflags;
2448 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s start\n", __func__);
2450 if (!(sc->sc_flags & IWN_FLAG_HAS_11N)) {
2451 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end no 11n\n", __func__);
2455 for (i = 0; i < band->nchan; i++) {
2456 if (!(channels[i].flags & IWN_EEPROM_CHAN_VALID)) {
2457 DPRINTF(sc, IWN_DEBUG_RESET,
2458 "skip chan %d flags 0x%x maxpwr %d\n",
2459 band->chan[i], channels[i].flags,
2460 channels[i].maxpwr);
2464 chan = band->chan[i];
2465 nflags = iwn_eeprom_channel_flags(&channels[i]);
2466 nflags |= (n == 5 ? IEEE80211_CHAN_G : IEEE80211_CHAN_A);
2467 error = ieee80211_add_channel_ht40(chans, maxchans, nchans,
2468 chan, channels[i].maxpwr, nflags);
2471 device_printf(sc->sc_dev,
2472 "%s: no entry for channel %d\n", __func__, chan);
2475 DPRINTF(sc, IWN_DEBUG_RESET,
2476 "%s: skip chan %d, extension channel not found\n",
2480 device_printf(sc->sc_dev,
2481 "%s: channel table is full!\n", __func__);
2484 DPRINTF(sc, IWN_DEBUG_RESET,
2485 "add ht40 chan %d flags 0x%x maxpwr %d\n",
2486 chan, channels[i].flags, channels[i].maxpwr);
2493 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2498 iwn_read_eeprom_channels(struct iwn_softc *sc, int n, uint32_t addr)
2500 struct ieee80211com *ic = &sc->sc_ic;
2502 iwn_read_prom_data(sc, addr, &sc->eeprom_channels[n],
2503 iwn_bands[n].nchan * sizeof (struct iwn_eeprom_chan));
2506 iwn_read_eeprom_band(sc, n, IEEE80211_CHAN_MAX, &ic->ic_nchans,
2509 iwn_read_eeprom_ht40(sc, n, IEEE80211_CHAN_MAX, &ic->ic_nchans,
2512 ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans);
2515 static struct iwn_eeprom_chan *
2516 iwn_find_eeprom_channel(struct iwn_softc *sc, struct ieee80211_channel *c)
2518 int band, chan, i, j;
2520 if (IEEE80211_IS_CHAN_HT40(c)) {
2521 band = IEEE80211_IS_CHAN_5GHZ(c) ? 6 : 5;
2522 if (IEEE80211_IS_CHAN_HT40D(c))
2523 chan = c->ic_extieee;
2526 for (i = 0; i < iwn_bands[band].nchan; i++) {
2527 if (iwn_bands[band].chan[i] == chan)
2528 return &sc->eeprom_channels[band][i];
2531 for (j = 0; j < 5; j++) {
2532 for (i = 0; i < iwn_bands[j].nchan; i++) {
2533 if (iwn_bands[j].chan[i] == c->ic_ieee &&
2534 ((j == 0) ^ IEEE80211_IS_CHAN_A(c)) == 1)
2535 return &sc->eeprom_channels[j][i];
2543 iwn_getradiocaps(struct ieee80211com *ic,
2544 int maxchans, int *nchans, struct ieee80211_channel chans[])
2546 struct iwn_softc *sc = ic->ic_softc;
2549 /* Parse the list of authorized channels. */
2550 for (i = 0; i < 5 && *nchans < maxchans; i++)
2551 iwn_read_eeprom_band(sc, i, maxchans, nchans, chans);
2552 for (i = 5; i < IWN_NBANDS - 1 && *nchans < maxchans; i++)
2553 iwn_read_eeprom_ht40(sc, i, maxchans, nchans, chans);
2557 * Enforce flags read from EEPROM.
2560 iwn_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd,
2561 int nchan, struct ieee80211_channel chans[])
2563 struct iwn_softc *sc = ic->ic_softc;
2566 for (i = 0; i < nchan; i++) {
2567 struct ieee80211_channel *c = &chans[i];
2568 struct iwn_eeprom_chan *channel;
2570 channel = iwn_find_eeprom_channel(sc, c);
2571 if (channel == NULL) {
2572 ic_printf(ic, "%s: invalid channel %u freq %u/0x%x\n",
2573 __func__, c->ic_ieee, c->ic_freq, c->ic_flags);
2576 c->ic_flags |= iwn_eeprom_channel_flags(channel);
2583 iwn_read_eeprom_enhinfo(struct iwn_softc *sc)
2585 struct iwn_eeprom_enhinfo enhinfo[35];
2586 struct ieee80211com *ic = &sc->sc_ic;
2587 struct ieee80211_channel *c;
2593 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2595 iwn_read_prom_data(sc, IWN5000_EEPROM_REG, &val, 2);
2596 base = le16toh(val);
2597 iwn_read_prom_data(sc, base + IWN6000_EEPROM_ENHINFO,
2598 enhinfo, sizeof enhinfo);
2600 for (i = 0; i < nitems(enhinfo); i++) {
2601 flags = enhinfo[i].flags;
2602 if (!(flags & IWN_ENHINFO_VALID))
2603 continue; /* Skip invalid entries. */
2606 if (sc->txchainmask & IWN_ANT_A)
2607 maxpwr = MAX(maxpwr, enhinfo[i].chain[0]);
2608 if (sc->txchainmask & IWN_ANT_B)
2609 maxpwr = MAX(maxpwr, enhinfo[i].chain[1]);
2610 if (sc->txchainmask & IWN_ANT_C)
2611 maxpwr = MAX(maxpwr, enhinfo[i].chain[2]);
2612 if (sc->ntxchains == 2)
2613 maxpwr = MAX(maxpwr, enhinfo[i].mimo2);
2614 else if (sc->ntxchains == 3)
2615 maxpwr = MAX(maxpwr, enhinfo[i].mimo3);
2617 for (j = 0; j < ic->ic_nchans; j++) {
2618 c = &ic->ic_channels[j];
2619 if ((flags & IWN_ENHINFO_5GHZ)) {
2620 if (!IEEE80211_IS_CHAN_A(c))
2622 } else if ((flags & IWN_ENHINFO_OFDM)) {
2623 if (!IEEE80211_IS_CHAN_G(c))
2625 } else if (!IEEE80211_IS_CHAN_B(c))
2627 if ((flags & IWN_ENHINFO_HT40)) {
2628 if (!IEEE80211_IS_CHAN_HT40(c))
2631 if (IEEE80211_IS_CHAN_HT40(c))
2634 if (enhinfo[i].chan != 0 &&
2635 enhinfo[i].chan != c->ic_ieee)
2638 DPRINTF(sc, IWN_DEBUG_RESET,
2639 "channel %d(%x), maxpwr %d\n", c->ic_ieee,
2640 c->ic_flags, maxpwr / 2);
2641 c->ic_maxregpower = maxpwr / 2;
2642 c->ic_maxpower = maxpwr;
2646 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end\n", __func__);
2650 static struct ieee80211_node *
2651 iwn_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
2653 struct iwn_node *wn;
2655 wn = malloc(sizeof (struct iwn_node), M_80211_NODE, M_NOWAIT | M_ZERO);
2659 wn->id = IWN_ID_UNDEFINED;
2667 switch (rate & 0xff) {
2668 case 12: return 0xd;
2669 case 18: return 0xf;
2670 case 24: return 0x5;
2671 case 36: return 0x7;
2672 case 48: return 0x9;
2673 case 72: return 0xb;
2674 case 96: return 0x1;
2675 case 108: return 0x3;
2679 case 22: return 110;
2684 static __inline uint8_t
2685 plcp2rate(const uint8_t rate_plcp)
2687 switch (rate_plcp) {
2688 case 0xd: return 12;
2689 case 0xf: return 18;
2690 case 0x5: return 24;
2691 case 0x7: return 36;
2692 case 0x9: return 48;
2693 case 0xb: return 72;
2694 case 0x1: return 96;
2695 case 0x3: return 108;
2699 case 110: return 22;
2705 iwn_get_1stream_tx_antmask(struct iwn_softc *sc)
2708 return IWN_LSB(sc->txchainmask);
2712 iwn_get_2stream_tx_antmask(struct iwn_softc *sc)
2717 * The '2 stream' setup is a bit .. odd.
2719 * For NICs that support only 1 antenna, default to IWN_ANT_AB or
2720 * the firmware panics (eg Intel 5100.)
2722 * For NICs that support two antennas, we use ANT_AB.
2724 * For NICs that support three antennas, we use the two that
2725 * wasn't the default one.
2727 * XXX TODO: if bluetooth (full concurrent) is enabled, restrict
2728 * this to only one antenna.
2731 /* Default - transmit on the other antennas */
2732 tx = (sc->txchainmask & ~IWN_LSB(sc->txchainmask));
2734 /* Now, if it's zero, set it to IWN_ANT_AB, so to not panic firmware */
2739 * If the NIC is a two-stream TX NIC, configure the TX mask to
2740 * the default chainmask
2742 else if (sc->ntxchains == 2)
2743 tx = sc->txchainmask;
2751 * Calculate the required PLCP value from the given rate,
2752 * to the given node.
2754 * This will take the node configuration (eg 11n, rate table
2755 * setup, etc) into consideration.
2758 iwn_rate_to_plcp(struct iwn_softc *sc, struct ieee80211_node *ni,
2761 struct ieee80211com *ic = ni->ni_ic;
2766 * If it's an MCS rate, let's set the plcp correctly
2767 * and set the relevant flags based on the node config.
2769 if (rate & IEEE80211_RATE_MCS) {
2771 * Set the initial PLCP value to be between 0->31 for
2772 * MCS 0 -> MCS 31, then set the "I'm an MCS rate!"
2775 plcp = IEEE80211_RV(rate) | IWN_RFLAG_MCS;
2778 * XXX the following should only occur if both
2779 * the local configuration _and_ the remote node
2780 * advertise these capabilities. Thus this code
2785 * Set the channel width and guard interval.
2787 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
2788 plcp |= IWN_RFLAG_HT40;
2789 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40)
2790 plcp |= IWN_RFLAG_SGI;
2791 } else if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) {
2792 plcp |= IWN_RFLAG_SGI;
2796 * Ensure the selected rate matches the link quality
2797 * table entries being used.
2800 plcp |= IWN_RFLAG_ANT(sc->txchainmask);
2801 else if (rate > 0x87)
2802 plcp |= IWN_RFLAG_ANT(iwn_get_2stream_tx_antmask(sc));
2804 plcp |= IWN_RFLAG_ANT(iwn_get_1stream_tx_antmask(sc));
2807 * Set the initial PLCP - fine for both
2808 * OFDM and CCK rates.
2810 plcp = rate2plcp(rate);
2812 /* Set CCK flag if it's CCK */
2814 /* XXX It would be nice to have a method
2815 * to map the ridx -> phy table entry
2816 * so we could just query that, rather than
2817 * this hack to check against IWN_RIDX_OFDM6.
2819 ridx = ieee80211_legacy_rate_lookup(ic->ic_rt,
2820 rate & IEEE80211_RATE_VAL);
2821 if (ridx < IWN_RIDX_OFDM6 &&
2822 IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
2823 plcp |= IWN_RFLAG_CCK;
2825 /* Set antenna configuration */
2826 /* XXX TODO: is this the right antenna to use for legacy? */
2827 plcp |= IWN_RFLAG_ANT(iwn_get_1stream_tx_antmask(sc));
2830 DPRINTF(sc, IWN_DEBUG_TXRATE, "%s: rate=0x%02x, plcp=0x%08x\n",
2835 return (htole32(plcp));
2839 iwn_newassoc(struct ieee80211_node *ni, int isnew)
2841 /* Doesn't do anything at the moment */
2845 iwn_media_change(struct ifnet *ifp)
2849 error = ieee80211_media_change(ifp);
2850 /* NB: only the fixed rate can change and that doesn't need a reset */
2851 return (error == ENETRESET ? 0 : error);
2855 iwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
2857 struct iwn_vap *ivp = IWN_VAP(vap);
2858 struct ieee80211com *ic = vap->iv_ic;
2859 struct iwn_softc *sc = ic->ic_softc;
2862 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
2864 DPRINTF(sc, IWN_DEBUG_STATE, "%s: %s -> %s\n", __func__,
2865 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2867 IEEE80211_UNLOCK(ic);
2869 callout_stop(&sc->calib_to);
2871 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
2874 case IEEE80211_S_ASSOC:
2875 if (vap->iv_state != IEEE80211_S_RUN)
2878 case IEEE80211_S_AUTH:
2879 if (vap->iv_state == IEEE80211_S_AUTH)
2883 * !AUTH -> AUTH transition requires state reset to handle
2884 * reassociations correctly.
2886 sc->rxon->associd = 0;
2887 sc->rxon->filter &= ~htole32(IWN_FILTER_BSS);
2888 sc->calib.state = IWN_CALIB_STATE_INIT;
2890 /* Wait until we hear a beacon before we transmit */
2891 if (IEEE80211_IS_CHAN_PASSIVE(ic->ic_curchan))
2892 sc->sc_beacon_wait = 1;
2894 if ((error = iwn_auth(sc, vap)) != 0) {
2895 device_printf(sc->sc_dev,
2896 "%s: could not move to auth state\n", __func__);
2900 case IEEE80211_S_RUN:
2902 * RUN -> RUN transition; Just restart the timers.
2904 if (vap->iv_state == IEEE80211_S_RUN) {
2909 /* Wait until we hear a beacon before we transmit */
2910 if (IEEE80211_IS_CHAN_PASSIVE(ic->ic_curchan))
2911 sc->sc_beacon_wait = 1;
2914 * !RUN -> RUN requires setting the association id
2915 * which is done with a firmware cmd. We also defer
2916 * starting the timers until that work is done.
2918 if ((error = iwn_run(sc, vap)) != 0) {
2919 device_printf(sc->sc_dev,
2920 "%s: could not move to run state\n", __func__);
2924 case IEEE80211_S_INIT:
2925 sc->calib.state = IWN_CALIB_STATE_INIT;
2927 * Purge the xmit queue so we don't have old frames
2928 * during a new association attempt.
2930 sc->sc_beacon_wait = 0;
2931 iwn_xmit_queue_drain(sc);
2940 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end in error\n", __func__);
2944 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
2946 return ivp->iv_newstate(vap, nstate, arg);
2950 iwn_calib_timeout(void *arg)
2952 struct iwn_softc *sc = arg;
2954 IWN_LOCK_ASSERT(sc);
2956 /* Force automatic TX power calibration every 60 secs. */
2957 if (++sc->calib_cnt >= 120) {
2960 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s\n",
2961 "sending request for statistics");
2962 (void)iwn_cmd(sc, IWN_CMD_GET_STATISTICS, &flags,
2966 callout_reset(&sc->calib_to, msecs_to_ticks(500), iwn_calib_timeout,
2971 * Process an RX_PHY firmware notification. This is usually immediately
2972 * followed by an MPDU_RX_DONE notification.
2975 iwn_rx_phy(struct iwn_softc *sc, struct iwn_rx_desc *desc)
2977 struct iwn_rx_stat *stat = (struct iwn_rx_stat *)(desc + 1);
2979 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: received PHY stats\n", __func__);
2981 /* Save RX statistics, they will be used on MPDU_RX_DONE. */
2982 memcpy(&sc->last_rx_stat, stat, sizeof (*stat));
2983 sc->last_rx_valid = 1;
2987 * Process an RX_DONE (4965AGN only) or MPDU_RX_DONE firmware notification.
2988 * Each MPDU_RX_DONE notification must be preceded by an RX_PHY one.
2991 iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
2992 struct iwn_rx_data *data)
2994 struct iwn_ops *ops = &sc->ops;
2995 struct ieee80211com *ic = &sc->sc_ic;
2996 struct iwn_rx_ring *ring = &sc->rxq;
2997 struct ieee80211_frame_min *wh;
2998 struct ieee80211_node *ni;
2999 struct mbuf *m, *m1;
3000 struct iwn_rx_stat *stat;
3004 int error, len, rssi, nf;
3006 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
3008 if (desc->type == IWN_MPDU_RX_DONE) {
3009 /* Check for prior RX_PHY notification. */
3010 if (!sc->last_rx_valid) {
3011 DPRINTF(sc, IWN_DEBUG_ANY,
3012 "%s: missing RX_PHY\n", __func__);
3015 stat = &sc->last_rx_stat;
3017 stat = (struct iwn_rx_stat *)(desc + 1);
3019 if (stat->cfg_phy_len > IWN_STAT_MAXLEN) {
3020 device_printf(sc->sc_dev,
3021 "%s: invalid RX statistic header, len %d\n", __func__,
3025 if (desc->type == IWN_MPDU_RX_DONE) {
3026 struct iwn_rx_mpdu *mpdu = (struct iwn_rx_mpdu *)(desc + 1);
3027 head = (caddr_t)(mpdu + 1);
3028 len = le16toh(mpdu->len);
3030 head = (caddr_t)(stat + 1) + stat->cfg_phy_len;
3031 len = le16toh(stat->len);
3034 flags = le32toh(*(uint32_t *)(head + len));
3036 /* Discard frames with a bad FCS early. */
3037 if ((flags & IWN_RX_NOERROR) != IWN_RX_NOERROR) {
3038 DPRINTF(sc, IWN_DEBUG_RECV, "%s: RX flags error %x\n",
3040 counter_u64_add(ic->ic_ierrors, 1);
3043 /* Discard frames that are too short. */
3044 if (len < sizeof (struct ieee80211_frame_ack)) {
3045 DPRINTF(sc, IWN_DEBUG_RECV, "%s: frame too short: %d\n",
3047 counter_u64_add(ic->ic_ierrors, 1);
3051 m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, IWN_RBUF_SIZE);
3053 DPRINTF(sc, IWN_DEBUG_ANY, "%s: no mbuf to restock ring\n",
3055 counter_u64_add(ic->ic_ierrors, 1);
3058 bus_dmamap_unload(ring->data_dmat, data->map);
3060 error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *),
3061 IWN_RBUF_SIZE, iwn_dma_map_addr, &paddr, BUS_DMA_NOWAIT);
3062 if (error != 0 && error != EFBIG) {
3063 device_printf(sc->sc_dev,
3064 "%s: bus_dmamap_load failed, error %d\n", __func__, error);
3067 /* Try to reload the old mbuf. */
3068 error = bus_dmamap_load(ring->data_dmat, data->map,
3069 mtod(data->m, void *), IWN_RBUF_SIZE, iwn_dma_map_addr,
3070 &paddr, BUS_DMA_NOWAIT);
3071 if (error != 0 && error != EFBIG) {
3072 panic("%s: could not load old RX mbuf", __func__);
3074 bus_dmamap_sync(ring->data_dmat, data->map,
3075 BUS_DMASYNC_PREREAD);
3076 /* Physical address may have changed. */
3077 ring->desc[ring->cur] = htole32(paddr >> 8);
3078 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
3079 BUS_DMASYNC_PREWRITE);
3080 counter_u64_add(ic->ic_ierrors, 1);
3084 bus_dmamap_sync(ring->data_dmat, data->map,
3085 BUS_DMASYNC_PREREAD);
3089 /* Update RX descriptor. */
3090 ring->desc[ring->cur] = htole32(paddr >> 8);
3091 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
3092 BUS_DMASYNC_PREWRITE);
3094 /* Finalize mbuf. */
3096 m->m_pkthdr.len = m->m_len = len;
3098 /* Grab a reference to the source node. */
3099 wh = mtod(m, struct ieee80211_frame_min *);
3100 if (len >= sizeof(struct ieee80211_frame_min))
3101 ni = ieee80211_find_rxnode(ic, wh);
3104 nf = (ni != NULL && ni->ni_vap->iv_state == IEEE80211_S_RUN &&
3105 (ic->ic_flags & IEEE80211_F_SCAN) == 0) ? sc->noise : -95;
3107 rssi = ops->get_rssi(sc, stat);
3109 if (ieee80211_radiotap_active(ic)) {
3110 struct iwn_rx_radiotap_header *tap = &sc->sc_rxtap;
3111 uint32_t rate = le32toh(stat->rate);
3114 if (stat->flags & htole16(IWN_STAT_FLAG_SHPREAMBLE))
3115 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3116 tap->wr_dbm_antsignal = (int8_t)rssi;
3117 tap->wr_dbm_antnoise = (int8_t)nf;
3118 tap->wr_tsft = stat->tstamp;
3119 if (rate & IWN_RFLAG_MCS) {
3120 tap->wr_rate = rate & IWN_RFLAG_RATE_MCS;
3121 tap->wr_rate |= IEEE80211_RATE_MCS;
3123 tap->wr_rate = plcp2rate(rate & IWN_RFLAG_RATE);
3127 * If it's a beacon and we're waiting, then do the
3128 * wakeup. This should unblock raw_xmit/start.
3130 if (sc->sc_beacon_wait) {
3131 uint8_t type, subtype;
3132 /* NB: Re-assign wh */
3133 wh = mtod(m, struct ieee80211_frame_min *);
3134 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3135 subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
3137 * This assumes at this point we've received our own
3140 DPRINTF(sc, IWN_DEBUG_TRACE,
3141 "%s: beacon_wait, type=%d, subtype=%d\n",
3142 __func__, type, subtype);
3143 if (type == IEEE80211_FC0_TYPE_MGT &&
3144 subtype == IEEE80211_FC0_SUBTYPE_BEACON) {
3145 DPRINTF(sc, IWN_DEBUG_TRACE | IWN_DEBUG_XMIT,
3146 "%s: waking things up\n", __func__);
3147 /* queue taskqueue to transmit! */
3148 taskqueue_enqueue(sc->sc_tq, &sc->sc_xmit_task);
3154 /* Send the frame to the 802.11 layer. */
3156 if (ni->ni_flags & IEEE80211_NODE_HT)
3157 m->m_flags |= M_AMPDU;
3158 (void)ieee80211_input(ni, m, rssi - nf, nf);
3159 /* Node is no longer needed. */
3160 ieee80211_free_node(ni);
3162 (void)ieee80211_input_all(ic, m, rssi - nf, nf);
3166 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
3170 /* Process an incoming Compressed BlockAck. */
3172 iwn_rx_compressed_ba(struct iwn_softc *sc, struct iwn_rx_desc *desc)
3174 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs;
3175 struct iwn_ops *ops = &sc->ops;
3176 struct iwn_node *wn;
3177 struct ieee80211_node *ni;
3178 struct iwn_compressed_ba *ba = (struct iwn_compressed_ba *)(desc + 1);
3179 struct iwn_tx_ring *txq;
3180 struct iwn_tx_data *txdata;
3181 struct ieee80211_tx_ampdu *tap;
3186 int i, lastidx, qid, *res, shift;
3187 int tx_ok = 0, tx_err = 0;
3189 DPRINTF(sc, IWN_DEBUG_TRACE | IWN_DEBUG_XMIT, "->%s begin\n", __func__);
3191 qid = le16toh(ba->qid);
3192 txq = &sc->txq[ba->qid];
3193 tap = sc->qid2tap[ba->qid];
3195 wn = (void *)tap->txa_ni;
3199 if (!IEEE80211_AMPDU_RUNNING(tap)) {
3200 res = tap->txa_private;
3201 ssn = tap->txa_start & 0xfff;
3204 for (lastidx = le16toh(ba->ssn) & 0xff; txq->read != lastidx;) {
3205 txdata = &txq->data[txq->read];
3207 /* Unmap and free mbuf. */
3208 bus_dmamap_sync(txq->data_dmat, txdata->map,
3209 BUS_DMASYNC_POSTWRITE);
3210 bus_dmamap_unload(txq->data_dmat, txdata->map);
3211 m = txdata->m, txdata->m = NULL;
3212 ni = txdata->ni, txdata->ni = NULL;
3214 KASSERT(ni != NULL, ("no node"));
3215 KASSERT(m != NULL, ("no mbuf"));
3217 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: freeing m=%p\n", __func__, m);
3218 ieee80211_tx_complete(ni, m, 1);
3221 txq->read = (txq->read + 1) % IWN_TX_RING_COUNT;
3224 if (txq->queued == 0 && res != NULL) {
3226 ops->ampdu_tx_stop(sc, qid, tid, ssn);
3228 sc->qid2tap[qid] = NULL;
3229 free(res, M_DEVBUF);
3233 if (wn->agg[tid].bitmap == 0)
3236 shift = wn->agg[tid].startidx - ((le16toh(ba->seq) >> 4) & 0xff);
3240 if (wn->agg[tid].nframes > (64 - shift))
3244 * Walk the bitmap and calculate how many successful and failed
3245 * attempts are made.
3247 * Yes, the rate control code doesn't know these are A-MPDU
3248 * subframes and that it's okay to fail some of these.
3251 bitmap = (le64toh(ba->bitmap) >> shift) & wn->agg[tid].bitmap;
3252 for (i = 0; bitmap; i++) {
3253 txs->flags = 0; /* XXX TODO */
3254 if ((bitmap & 1) == 0) {
3256 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
3259 txs->status = IEEE80211_RATECTL_TX_SUCCESS;
3261 ieee80211_ratectl_tx_complete(ni, txs);
3265 DPRINTF(sc, IWN_DEBUG_TRACE | IWN_DEBUG_XMIT,
3266 "->%s: end; %d ok; %d err\n",__func__, tx_ok, tx_err);
3271 * Process a CALIBRATION_RESULT notification sent by the initialization
3272 * firmware on response to a CMD_CALIB_CONFIG command (5000 only).
3275 iwn5000_rx_calib_results(struct iwn_softc *sc, struct iwn_rx_desc *desc)
3277 struct iwn_phy_calib *calib = (struct iwn_phy_calib *)(desc + 1);
3280 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
3282 /* Runtime firmware should not send such a notification. */
3283 if (sc->sc_flags & IWN_FLAG_CALIB_DONE){
3284 DPRINTF(sc, IWN_DEBUG_TRACE,
3285 "->%s received after calib done\n", __func__);
3288 len = (le32toh(desc->len) & 0x3fff) - 4;
3290 switch (calib->code) {
3291 case IWN5000_PHY_CALIB_DC:
3292 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_DC)
3295 case IWN5000_PHY_CALIB_LO:
3296 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_LO)
3299 case IWN5000_PHY_CALIB_TX_IQ:
3300 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TX_IQ)
3303 case IWN5000_PHY_CALIB_TX_IQ_PERIODIC:
3304 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TX_IQ_PERIODIC)
3307 case IWN5000_PHY_CALIB_BASE_BAND:
3308 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_BASE_BAND)
3312 if (idx == -1) /* Ignore other results. */
3315 /* Save calibration result. */
3316 if (sc->calibcmd[idx].buf != NULL)
3317 free(sc->calibcmd[idx].buf, M_DEVBUF);
3318 sc->calibcmd[idx].buf = malloc(len, M_DEVBUF, M_NOWAIT);
3319 if (sc->calibcmd[idx].buf == NULL) {
3320 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
3321 "not enough memory for calibration result %d\n",
3325 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
3326 "saving calibration result idx=%d, code=%d len=%d\n", idx, calib->code, len);
3327 sc->calibcmd[idx].len = len;
3328 memcpy(sc->calibcmd[idx].buf, calib, len);
3332 iwn_stats_update(struct iwn_softc *sc, struct iwn_calib_state *calib,
3333 struct iwn_stats *stats, int len)
3335 struct iwn_stats_bt *stats_bt;
3336 struct iwn_stats *lstats;
3339 * First - check whether the length is the bluetooth or normal.
3341 * If it's normal - just copy it and bump out.
3342 * Otherwise we have to convert things.
3345 if (len == sizeof(struct iwn_stats) + 4) {
3346 memcpy(&sc->last_stat, stats, sizeof(struct iwn_stats));
3347 sc->last_stat_valid = 1;
3352 * If it's not the bluetooth size - log, then just copy.
3354 if (len != sizeof(struct iwn_stats_bt) + 4) {
3355 DPRINTF(sc, IWN_DEBUG_STATS,
3356 "%s: size of rx statistics (%d) not an expected size!\n",
3359 memcpy(&sc->last_stat, stats, sizeof(struct iwn_stats));
3360 sc->last_stat_valid = 1;
3367 stats_bt = (struct iwn_stats_bt *) stats;
3368 lstats = &sc->last_stat;
3371 lstats->flags = stats_bt->flags;
3373 memcpy(&lstats->rx.ofdm, &stats_bt->rx_bt.ofdm,
3374 sizeof(struct iwn_rx_phy_stats));
3375 memcpy(&lstats->rx.cck, &stats_bt->rx_bt.cck,
3376 sizeof(struct iwn_rx_phy_stats));
3377 memcpy(&lstats->rx.general, &stats_bt->rx_bt.general_bt.common,
3378 sizeof(struct iwn_rx_general_stats));
3379 memcpy(&lstats->rx.ht, &stats_bt->rx_bt.ht,
3380 sizeof(struct iwn_rx_ht_phy_stats));
3382 memcpy(&lstats->tx, &stats_bt->tx,
3383 sizeof(struct iwn_tx_stats));
3385 memcpy(&lstats->general, &stats_bt->general,
3386 sizeof(struct iwn_general_stats));
3388 /* XXX TODO: Squirrel away the extra bluetooth stats somewhere */
3389 sc->last_stat_valid = 1;
3393 * Process an RX_STATISTICS or BEACON_STATISTICS firmware notification.
3394 * The latter is sent by the firmware after each received beacon.
3397 iwn_rx_statistics(struct iwn_softc *sc, struct iwn_rx_desc *desc)
3399 struct iwn_ops *ops = &sc->ops;
3400 struct ieee80211com *ic = &sc->sc_ic;
3401 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3402 struct iwn_calib_state *calib = &sc->calib;
3403 struct iwn_stats *stats = (struct iwn_stats *)(desc + 1);
3404 struct iwn_stats *lstats;
3407 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
3409 /* Ignore statistics received during a scan. */
3410 if (vap->iv_state != IEEE80211_S_RUN ||
3411 (ic->ic_flags & IEEE80211_F_SCAN)){
3412 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s received during calib\n",
3417 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_STATS,
3418 "%s: received statistics, cmd %d, len %d\n",
3419 __func__, desc->type, le16toh(desc->len));
3420 sc->calib_cnt = 0; /* Reset TX power calibration timeout. */
3423 * Collect/track general statistics for reporting.
3425 * This takes care of ensuring that the bluetooth sized message
3426 * will be correctly converted to the legacy sized message.
3428 iwn_stats_update(sc, calib, stats, le16toh(desc->len));
3431 * And now, let's take a reference of it to use!
3433 lstats = &sc->last_stat;
3435 /* Test if temperature has changed. */
3436 if (lstats->general.temp != sc->rawtemp) {
3437 /* Convert "raw" temperature to degC. */
3438 sc->rawtemp = stats->general.temp;
3439 temp = ops->get_temperature(sc);
3440 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: temperature %d\n",
3443 /* Update TX power if need be (4965AGN only). */
3444 if (sc->hw_type == IWN_HW_REV_TYPE_4965)
3445 iwn4965_power_calibration(sc, temp);
3448 if (desc->type != IWN_BEACON_STATISTICS)
3449 return; /* Reply to a statistics request. */
3451 sc->noise = iwn_get_noise(&lstats->rx.general);
3452 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: noise %d\n", __func__, sc->noise);
3454 /* Test that RSSI and noise are present in stats report. */
3455 if (le32toh(lstats->rx.general.flags) != 1) {
3456 DPRINTF(sc, IWN_DEBUG_ANY, "%s\n",
3457 "received statistics without RSSI");
3461 if (calib->state == IWN_CALIB_STATE_ASSOC)
3462 iwn_collect_noise(sc, &lstats->rx.general);
3463 else if (calib->state == IWN_CALIB_STATE_RUN) {
3464 iwn_tune_sensitivity(sc, &lstats->rx);
3466 * XXX TODO: Only run the RX recovery if we're associated!
3468 iwn_check_rx_recovery(sc, lstats);
3469 iwn_save_stats_counters(sc, lstats);
3472 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
3476 * Save the relevant statistic counters for the next calibration
3480 iwn_save_stats_counters(struct iwn_softc *sc, const struct iwn_stats *rs)
3482 struct iwn_calib_state *calib = &sc->calib;
3484 /* Save counters values for next call. */
3485 calib->bad_plcp_cck = le32toh(rs->rx.cck.bad_plcp);
3486 calib->fa_cck = le32toh(rs->rx.cck.fa);
3487 calib->bad_plcp_ht = le32toh(rs->rx.ht.bad_plcp);
3488 calib->bad_plcp_ofdm = le32toh(rs->rx.ofdm.bad_plcp);
3489 calib->fa_ofdm = le32toh(rs->rx.ofdm.fa);
3491 /* Last time we received these tick values */
3492 sc->last_calib_ticks = ticks;
3496 * Process a TX_DONE firmware notification. Unfortunately, the 4965AGN
3497 * and 5000 adapters have different incompatible TX status formats.
3500 iwn4965_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
3501 struct iwn_rx_data *data)
3503 struct iwn4965_tx_stat *stat = (struct iwn4965_tx_stat *)(desc + 1);
3504 int qid = desc->qid & IWN_RX_DESC_QID_MSK;
3506 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: "
3507 "qid %d idx %d RTS retries %d ACK retries %d nkill %d rate %x duration %d status %x\n",
3508 __func__, desc->qid, desc->idx,
3512 stat->rate, le16toh(stat->duration),
3513 le32toh(stat->status));
3515 if (qid >= sc->firstaggqueue) {
3516 iwn_ampdu_tx_done(sc, qid, desc->idx, stat->nframes,
3517 stat->rtsfailcnt, stat->ackfailcnt, &stat->status);
3519 iwn_tx_done(sc, desc, stat->rtsfailcnt, stat->ackfailcnt,
3520 le32toh(stat->status) & 0xff);
3525 iwn5000_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
3526 struct iwn_rx_data *data)
3528 struct iwn5000_tx_stat *stat = (struct iwn5000_tx_stat *)(desc + 1);
3529 int qid = desc->qid & IWN_RX_DESC_QID_MSK;
3531 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: "
3532 "qid %d idx %d RTS retries %d ACK retries %d nkill %d rate %x duration %d status %x\n",
3533 __func__, desc->qid, desc->idx,
3537 stat->rate, le16toh(stat->duration),
3538 le32toh(stat->status));
3541 /* Reset TX scheduler slot. */
3542 iwn5000_reset_sched(sc, qid, desc->idx);
3545 if (qid >= sc->firstaggqueue) {
3546 iwn_ampdu_tx_done(sc, qid, desc->idx, stat->nframes,
3547 stat->rtsfailcnt, stat->ackfailcnt, &stat->status);
3549 iwn_tx_done(sc, desc, stat->rtsfailcnt, stat->ackfailcnt,
3550 le16toh(stat->status) & 0xff);
3555 * Adapter-independent backend for TX_DONE firmware notifications.
3558 iwn_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc, int rtsfailcnt,
3559 int ackfailcnt, uint8_t status)
3561 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs;
3562 struct iwn_tx_ring *ring = &sc->txq[desc->qid & IWN_RX_DESC_QID_MSK];
3563 struct iwn_tx_data *data = &ring->data[desc->idx];
3565 struct ieee80211_node *ni;
3567 KASSERT(data->ni != NULL, ("no node"));
3569 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
3571 /* Unmap and free mbuf. */
3572 bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE);
3573 bus_dmamap_unload(ring->data_dmat, data->map);
3574 m = data->m, data->m = NULL;
3575 ni = data->ni, data->ni = NULL;
3578 * Update rate control statistics for the node.
3580 txs->flags = IEEE80211_RATECTL_STATUS_SHORT_RETRY |
3581 IEEE80211_RATECTL_STATUS_LONG_RETRY;
3582 txs->short_retries = rtsfailcnt;
3583 txs->long_retries = ackfailcnt;
3584 if (!(status & IWN_TX_FAIL))
3585 txs->status = IEEE80211_RATECTL_TX_SUCCESS;
3588 case IWN_TX_FAIL_SHORT_LIMIT:
3589 txs->status = IEEE80211_RATECTL_TX_FAIL_SHORT;
3591 case IWN_TX_FAIL_LONG_LIMIT:
3592 txs->status = IEEE80211_RATECTL_TX_FAIL_LONG;
3594 case IWN_TX_STATUS_FAIL_LIFE_EXPIRE:
3595 txs->status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
3598 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
3602 ieee80211_ratectl_tx_complete(ni, txs);
3605 * Channels marked for "radar" require traffic to be received
3606 * to unlock before we can transmit. Until traffic is seen
3607 * any attempt to transmit is returned immediately with status
3608 * set to IWN_TX_FAIL_TX_LOCKED. Unfortunately this can easily
3609 * happen on first authenticate after scanning. To workaround
3610 * this we ignore a failure of this sort in AUTH state so the
3611 * 802.11 layer will fall back to using a timeout to wait for
3612 * the AUTH reply. This allows the firmware time to see
3613 * traffic so a subsequent retry of AUTH succeeds. It's
3614 * unclear why the firmware does not maintain state for
3615 * channels recently visited as this would allow immediate
3616 * use of the channel after a scan (where we see traffic).
3618 if (status == IWN_TX_FAIL_TX_LOCKED &&
3619 ni->ni_vap->iv_state == IEEE80211_S_AUTH)
3620 ieee80211_tx_complete(ni, m, 0);
3622 ieee80211_tx_complete(ni, m,
3623 (status & IWN_TX_FAIL) != 0);
3625 sc->sc_tx_timer = 0;
3626 if (--ring->queued < IWN_TX_RING_LOMARK)
3627 sc->qfullmsk &= ~(1 << ring->qid);
3629 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
3633 * Process a "command done" firmware notification. This is where we wakeup
3634 * processes waiting for a synchronous command completion.
3637 iwn_cmd_done(struct iwn_softc *sc, struct iwn_rx_desc *desc)
3639 struct iwn_tx_ring *ring;
3640 struct iwn_tx_data *data;
3643 if (sc->sc_flags & IWN_FLAG_PAN_SUPPORT)
3644 cmd_queue_num = IWN_PAN_CMD_QUEUE;
3646 cmd_queue_num = IWN_CMD_QUEUE_NUM;
3648 if ((desc->qid & IWN_RX_DESC_QID_MSK) != cmd_queue_num)
3649 return; /* Not a command ack. */
3651 ring = &sc->txq[cmd_queue_num];
3652 data = &ring->data[desc->idx];
3654 /* If the command was mapped in an mbuf, free it. */
3655 if (data->m != NULL) {
3656 bus_dmamap_sync(ring->data_dmat, data->map,
3657 BUS_DMASYNC_POSTWRITE);
3658 bus_dmamap_unload(ring->data_dmat, data->map);
3662 wakeup(&ring->desc[desc->idx]);
3666 iwn_ampdu_tx_done(struct iwn_softc *sc, int qid, int idx, int nframes,
3667 int rtsfailcnt, int ackfailcnt, void *stat)
3669 struct iwn_ops *ops = &sc->ops;
3670 struct iwn_tx_ring *ring = &sc->txq[qid];
3671 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs;
3672 struct iwn_tx_data *data;
3674 struct iwn_node *wn;
3675 struct ieee80211_node *ni;
3676 struct ieee80211_tx_ampdu *tap;
3678 uint32_t *status = stat;
3679 uint16_t *aggstatus = stat;
3682 int bit, i, lastidx, *res, seqno, shift, start;
3684 /* XXX TODO: status is le16 field! Grr */
3686 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
3687 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: nframes=%d, status=0x%08x\n",
3692 tap = sc->qid2tap[qid];
3694 wn = (void *)tap->txa_ni;
3698 * XXX TODO: ACK and RTS failures would be nice here!
3702 * A-MPDU single frame status - if we failed to transmit it
3703 * in A-MPDU, then it may be a permanent failure.
3705 * XXX TODO: check what the Linux iwlwifi driver does here;
3706 * there's some permanent and temporary failures that may be
3707 * handled differently.
3710 txs->flags = IEEE80211_RATECTL_STATUS_SHORT_RETRY |
3711 IEEE80211_RATECTL_STATUS_LONG_RETRY;
3712 txs->short_retries = rtsfailcnt;
3713 txs->long_retries = ackfailcnt;
3714 if ((*status & 0xff) != 1 && (*status & 0xff) != 2) {
3716 printf("ieee80211_send_bar()\n");
3719 * If we completely fail a transmit, make sure a
3720 * notification is pushed up to the rate control
3724 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
3727 * If nframes=1, then we won't be getting a BA for
3728 * this frame. Ensure that we correctly update the
3729 * rate control code with how many retries were
3730 * needed to send it.
3732 txs->status = IEEE80211_RATECTL_TX_SUCCESS;
3734 ieee80211_ratectl_tx_complete(ni, txs);
3739 for (i = 0; i < nframes; i++) {
3740 if (le16toh(aggstatus[i * 2]) & 0xc)
3743 idx = le16toh(aggstatus[2*i + 1]) & 0xff;
3747 shift = 0x100 - idx + start;
3750 } else if (bit <= -64)
3751 bit = 0x100 - start + idx;
3753 shift = start - idx;
3757 bitmap = bitmap << shift;
3758 bitmap |= 1ULL << bit;
3760 tap = sc->qid2tap[qid];
3762 wn = (void *)tap->txa_ni;
3763 wn->agg[tid].bitmap = bitmap;
3764 wn->agg[tid].startidx = start;
3765 wn->agg[tid].nframes = nframes;
3769 if (!IEEE80211_AMPDU_RUNNING(tap)) {
3770 res = tap->txa_private;
3771 ssn = tap->txa_start & 0xfff;
3774 /* This is going nframes DWORDS into the descriptor? */
3775 seqno = le32toh(*(status + nframes)) & 0xfff;
3776 for (lastidx = (seqno & 0xff); ring->read != lastidx;) {
3777 data = &ring->data[ring->read];
3779 /* Unmap and free mbuf. */
3780 bus_dmamap_sync(ring->data_dmat, data->map,
3781 BUS_DMASYNC_POSTWRITE);
3782 bus_dmamap_unload(ring->data_dmat, data->map);
3783 m = data->m, data->m = NULL;
3784 ni = data->ni, data->ni = NULL;
3786 KASSERT(ni != NULL, ("no node"));
3787 KASSERT(m != NULL, ("no mbuf"));
3788 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: freeing m=%p\n", __func__, m);
3789 ieee80211_tx_complete(ni, m, 1);
3792 ring->read = (ring->read + 1) % IWN_TX_RING_COUNT;
3795 if (ring->queued == 0 && res != NULL) {
3797 ops->ampdu_tx_stop(sc, qid, tid, ssn);
3799 sc->qid2tap[qid] = NULL;
3800 free(res, M_DEVBUF);
3804 sc->sc_tx_timer = 0;
3805 if (ring->queued < IWN_TX_RING_LOMARK)
3806 sc->qfullmsk &= ~(1 << ring->qid);
3808 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
3812 * Process an INT_FH_RX or INT_SW_RX interrupt.
3815 iwn_notif_intr(struct iwn_softc *sc)
3817 struct iwn_ops *ops = &sc->ops;
3818 struct ieee80211com *ic = &sc->sc_ic;
3819 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3822 bus_dmamap_sync(sc->rxq.stat_dma.tag, sc->rxq.stat_dma.map,
3823 BUS_DMASYNC_POSTREAD);
3825 hw = le16toh(sc->rxq.stat->closed_count) & 0xfff;
3826 while (sc->rxq.cur != hw) {
3827 struct iwn_rx_data *data = &sc->rxq.data[sc->rxq.cur];
3828 struct iwn_rx_desc *desc;
3830 bus_dmamap_sync(sc->rxq.data_dmat, data->map,
3831 BUS_DMASYNC_POSTREAD);
3832 desc = mtod(data->m, struct iwn_rx_desc *);
3834 DPRINTF(sc, IWN_DEBUG_RECV,
3835 "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n",
3836 __func__, sc->rxq.cur, desc->qid & IWN_RX_DESC_QID_MSK,
3837 desc->idx, desc->flags, desc->type,
3838 iwn_intr_str(desc->type), le16toh(desc->len));
3840 if (!(desc->qid & IWN_UNSOLICITED_RX_NOTIF)) /* Reply to a command. */
3841 iwn_cmd_done(sc, desc);
3843 switch (desc->type) {
3845 iwn_rx_phy(sc, desc);
3848 case IWN_RX_DONE: /* 4965AGN only. */
3849 case IWN_MPDU_RX_DONE:
3850 /* An 802.11 frame has been received. */
3851 iwn_rx_done(sc, desc, data);
3854 case IWN_RX_COMPRESSED_BA:
3855 /* A Compressed BlockAck has been received. */
3856 iwn_rx_compressed_ba(sc, desc);
3860 /* An 802.11 frame has been transmitted. */
3861 ops->tx_done(sc, desc, data);
3864 case IWN_RX_STATISTICS:
3865 case IWN_BEACON_STATISTICS:
3866 iwn_rx_statistics(sc, desc);
3869 case IWN_BEACON_MISSED:
3871 struct iwn_beacon_missed *miss =
3872 (struct iwn_beacon_missed *)(desc + 1);
3875 misses = le32toh(miss->consecutive);
3877 DPRINTF(sc, IWN_DEBUG_STATE,
3878 "%s: beacons missed %d/%d\n", __func__,
3879 misses, le32toh(miss->total));
3881 * If more than 5 consecutive beacons are missed,
3882 * reinitialize the sensitivity state machine.
3884 if (vap->iv_state == IEEE80211_S_RUN &&
3885 (ic->ic_flags & IEEE80211_F_SCAN) == 0) {
3887 (void)iwn_init_sensitivity(sc);
3888 if (misses >= vap->iv_bmissthreshold) {
3890 ieee80211_beacon_miss(ic);
3898 struct iwn_ucode_info *uc =
3899 (struct iwn_ucode_info *)(desc + 1);
3901 /* The microcontroller is ready. */
3902 DPRINTF(sc, IWN_DEBUG_RESET,
3903 "microcode alive notification version=%d.%d "
3904 "subtype=%x alive=%x\n", uc->major, uc->minor,
3905 uc->subtype, le32toh(uc->valid));
3907 if (le32toh(uc->valid) != 1) {
3908 device_printf(sc->sc_dev,
3909 "microcontroller initialization failed");
3912 if (uc->subtype == IWN_UCODE_INIT) {
3913 /* Save microcontroller report. */
3914 memcpy(&sc->ucode_info, uc, sizeof (*uc));
3916 /* Save the address of the error log in SRAM. */
3917 sc->errptr = le32toh(uc->errptr);
3921 case IWN_STATE_CHANGED:
3924 * State change allows hardware switch change to be
3925 * noted. However, we handle this in iwn_intr as we
3926 * get both the enable/disble intr.
3928 uint32_t *status = (uint32_t *)(desc + 1);
3929 DPRINTF(sc, IWN_DEBUG_INTR | IWN_DEBUG_STATE,
3930 "state changed to %x\n",
3934 case IWN_START_SCAN:
3936 struct iwn_start_scan *scan =
3937 (struct iwn_start_scan *)(desc + 1);
3938 DPRINTF(sc, IWN_DEBUG_ANY,
3939 "%s: scanning channel %d status %x\n",
3940 __func__, scan->chan, le32toh(scan->status));
3947 struct iwn_stop_scan *scan =
3948 (struct iwn_stop_scan *)(desc + 1);
3949 DPRINTF(sc, IWN_DEBUG_STATE | IWN_DEBUG_SCAN,
3950 "scan finished nchan=%d status=%d chan=%d\n",
3951 scan->nchan, scan->status, scan->chan);
3953 sc->sc_is_scanning = 0;
3954 callout_stop(&sc->scan_timeout);
3956 ieee80211_scan_next(vap);
3960 case IWN5000_CALIBRATION_RESULT:
3961 iwn5000_rx_calib_results(sc, desc);
3964 case IWN5000_CALIBRATION_DONE:
3965 sc->sc_flags |= IWN_FLAG_CALIB_DONE;
3970 sc->rxq.cur = (sc->rxq.cur + 1) % IWN_RX_RING_COUNT;
3973 /* Tell the firmware what we have processed. */
3974 hw = (hw == 0) ? IWN_RX_RING_COUNT - 1 : hw - 1;
3975 IWN_WRITE(sc, IWN_FH_RX_WPTR, hw & ~7);
3979 * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up
3980 * from power-down sleep mode.
3983 iwn_wakeup_intr(struct iwn_softc *sc)
3987 DPRINTF(sc, IWN_DEBUG_RESET, "%s: ucode wakeup from power-down sleep\n",
3990 /* Wakeup RX and TX rings. */
3991 IWN_WRITE(sc, IWN_FH_RX_WPTR, sc->rxq.cur & ~7);
3992 for (qid = 0; qid < sc->ntxqs; qid++) {
3993 struct iwn_tx_ring *ring = &sc->txq[qid];
3994 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | ring->cur);
3999 iwn_rftoggle_task(void *arg, int npending)
4001 struct iwn_softc *sc = arg;
4002 struct ieee80211com *ic = &sc->sc_ic;
4006 tmp = IWN_READ(sc, IWN_GP_CNTRL);
4009 device_printf(sc->sc_dev, "RF switch: radio %s\n",
4010 (tmp & IWN_GP_CNTRL_RFKILL) ? "enabled" : "disabled");
4011 if (!(tmp & IWN_GP_CNTRL_RFKILL)) {
4012 ieee80211_suspend_all(ic);
4014 /* Enable interrupts to get RF toggle notification. */
4016 IWN_WRITE(sc, IWN_INT, 0xffffffff);
4017 IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask);
4020 ieee80211_resume_all(ic);
4024 * Dump the error log of the firmware when a firmware panic occurs. Although
4025 * we can't debug the firmware because it is neither open source nor free, it
4026 * can help us to identify certain classes of problems.
4029 iwn_fatal_intr(struct iwn_softc *sc)
4031 struct iwn_fw_dump dump;
4034 IWN_LOCK_ASSERT(sc);
4036 /* Force a complete recalibration on next init. */
4037 sc->sc_flags &= ~IWN_FLAG_CALIB_DONE;
4039 /* Check that the error log address is valid. */
4040 if (sc->errptr < IWN_FW_DATA_BASE ||
4041 sc->errptr + sizeof (dump) >
4042 IWN_FW_DATA_BASE + sc->fw_data_maxsz) {
4043 printf("%s: bad firmware error log address 0x%08x\n", __func__,
4047 if (iwn_nic_lock(sc) != 0) {
4048 printf("%s: could not read firmware error log\n", __func__);
4051 /* Read firmware error log from SRAM. */
4052 iwn_mem_read_region_4(sc, sc->errptr, (uint32_t *)&dump,
4053 sizeof (dump) / sizeof (uint32_t));
4056 if (dump.valid == 0) {
4057 printf("%s: firmware error log is empty\n", __func__);
4060 printf("firmware error log:\n");
4061 printf(" error type = \"%s\" (0x%08X)\n",
4062 (dump.id < nitems(iwn_fw_errmsg)) ?
4063 iwn_fw_errmsg[dump.id] : "UNKNOWN",
4065 printf(" program counter = 0x%08X\n", dump.pc);
4066 printf(" source line = 0x%08X\n", dump.src_line);
4067 printf(" error data = 0x%08X%08X\n",
4068 dump.error_data[0], dump.error_data[1]);
4069 printf(" branch link = 0x%08X%08X\n",
4070 dump.branch_link[0], dump.branch_link[1]);
4071 printf(" interrupt link = 0x%08X%08X\n",
4072 dump.interrupt_link[0], dump.interrupt_link[1]);
4073 printf(" time = %u\n", dump.time[0]);
4075 /* Dump driver status (TX and RX rings) while we're here. */
4076 printf("driver status:\n");
4077 for (i = 0; i < sc->ntxqs; i++) {
4078 struct iwn_tx_ring *ring = &sc->txq[i];
4079 printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n",
4080 i, ring->qid, ring->cur, ring->queued);
4082 printf(" rx ring: cur=%d\n", sc->rxq.cur);
4088 struct iwn_softc *sc = arg;
4089 uint32_t r1, r2, tmp;
4093 /* Disable interrupts. */
4094 IWN_WRITE(sc, IWN_INT_MASK, 0);
4096 /* Read interrupts from ICT (fast) or from registers (slow). */
4097 if (sc->sc_flags & IWN_FLAG_USE_ICT) {
4098 bus_dmamap_sync(sc->ict_dma.tag, sc->ict_dma.map,
4099 BUS_DMASYNC_POSTREAD);
4101 while (sc->ict[sc->ict_cur] != 0) {
4102 tmp |= sc->ict[sc->ict_cur];
4103 sc->ict[sc->ict_cur] = 0; /* Acknowledge. */
4104 sc->ict_cur = (sc->ict_cur + 1) % IWN_ICT_COUNT;
4107 if (tmp == 0xffffffff) /* Shouldn't happen. */
4109 else if (tmp & 0xc0000) /* Workaround a HW bug. */
4111 r1 = (tmp & 0xff00) << 16 | (tmp & 0xff);
4112 r2 = 0; /* Unused. */
4114 r1 = IWN_READ(sc, IWN_INT);
4115 if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) {
4117 return; /* Hardware gone! */
4119 r2 = IWN_READ(sc, IWN_FH_INT);
4122 DPRINTF(sc, IWN_DEBUG_INTR, "interrupt reg1=0x%08x reg2=0x%08x\n"
4125 if (r1 == 0 && r2 == 0)
4126 goto done; /* Interrupt not for us. */
4128 /* Acknowledge interrupts. */
4129 IWN_WRITE(sc, IWN_INT, r1);
4130 if (!(sc->sc_flags & IWN_FLAG_USE_ICT))
4131 IWN_WRITE(sc, IWN_FH_INT, r2);
4133 if (r1 & IWN_INT_RF_TOGGLED) {
4134 taskqueue_enqueue(sc->sc_tq, &sc->sc_rftoggle_task);
4137 if (r1 & IWN_INT_CT_REACHED) {
4138 device_printf(sc->sc_dev, "%s: critical temperature reached!\n",
4141 if (r1 & (IWN_INT_SW_ERR | IWN_INT_HW_ERR)) {
4142 device_printf(sc->sc_dev, "%s: fatal firmware error\n",
4145 iwn_debug_register(sc);
4147 /* Dump firmware error log and stop. */
4150 taskqueue_enqueue(sc->sc_tq, &sc->sc_panic_task);
4153 if ((r1 & (IWN_INT_FH_RX | IWN_INT_SW_RX | IWN_INT_RX_PERIODIC)) ||
4154 (r2 & IWN_FH_INT_RX)) {
4155 if (sc->sc_flags & IWN_FLAG_USE_ICT) {
4156 if (r1 & (IWN_INT_FH_RX | IWN_INT_SW_RX))
4157 IWN_WRITE(sc, IWN_FH_INT, IWN_FH_INT_RX);
4158 IWN_WRITE_1(sc, IWN_INT_PERIODIC,
4159 IWN_INT_PERIODIC_DIS);
4161 if (r1 & (IWN_INT_FH_RX | IWN_INT_SW_RX)) {
4162 IWN_WRITE_1(sc, IWN_INT_PERIODIC,
4163 IWN_INT_PERIODIC_ENA);
4169 if ((r1 & IWN_INT_FH_TX) || (r2 & IWN_FH_INT_TX)) {
4170 if (sc->sc_flags & IWN_FLAG_USE_ICT)
4171 IWN_WRITE(sc, IWN_FH_INT, IWN_FH_INT_TX);
4172 wakeup(sc); /* FH DMA transfer completed. */
4175 if (r1 & IWN_INT_ALIVE)
4176 wakeup(sc); /* Firmware is alive. */
4178 if (r1 & IWN_INT_WAKEUP)
4179 iwn_wakeup_intr(sc);
4182 /* Re-enable interrupts. */
4183 if (sc->sc_flags & IWN_FLAG_RUNNING)
4184 IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask);
4190 * Update TX scheduler ring when transmitting an 802.11 frame (4965AGN and
4191 * 5000 adapters use a slightly different format).
4194 iwn4965_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
4197 uint16_t *w = &sc->sched[qid * IWN4965_SCHED_COUNT + idx];
4199 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
4201 *w = htole16(len + 8);
4202 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4203 BUS_DMASYNC_PREWRITE);
4204 if (idx < IWN_SCHED_WINSZ) {
4205 *(w + IWN_TX_RING_COUNT) = *w;
4206 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4207 BUS_DMASYNC_PREWRITE);
4212 iwn5000_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
4215 uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT + idx];
4217 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
4219 *w = htole16(id << 12 | (len + 8));
4220 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4221 BUS_DMASYNC_PREWRITE);
4222 if (idx < IWN_SCHED_WINSZ) {
4223 *(w + IWN_TX_RING_COUNT) = *w;
4224 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4225 BUS_DMASYNC_PREWRITE);
4231 iwn5000_reset_sched(struct iwn_softc *sc, int qid, int idx)
4233 uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT + idx];
4235 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
4237 *w = (*w & htole16(0xf000)) | htole16(1);
4238 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4239 BUS_DMASYNC_PREWRITE);
4240 if (idx < IWN_SCHED_WINSZ) {
4241 *(w + IWN_TX_RING_COUNT) = *w;
4242 bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
4243 BUS_DMASYNC_PREWRITE);
4249 * Check whether OFDM 11g protection will be enabled for the given rate.
4251 * The original driver code only enabled protection for OFDM rates.
4252 * It didn't check to see whether it was operating in 11a or 11bg mode.
4255 iwn_check_rate_needs_protection(struct iwn_softc *sc,
4256 struct ieee80211vap *vap, uint8_t rate)
4258 struct ieee80211com *ic = vap->iv_ic;
4261 * Not in 2GHz mode? Then there's no need to enable OFDM
4264 if (! IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
4269 * 11bg protection not enabled? Then don't use it.
4271 if ((ic->ic_flags & IEEE80211_F_USEPROT) == 0)
4275 * If it's an 11n rate - no protection.
4276 * We'll do it via a specific 11n check.
4278 if (rate & IEEE80211_RATE_MCS) {
4283 * Do a rate table lookup. If the PHY is CCK,
4284 * don't do protection.
4286 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_CCK)
4290 * Yup, enable protection.
4296 * return a value between 0 and IWN_MAX_TX_RETRIES-1 as an index into
4297 * the link quality table that reflects this particular entry.
4300 iwn_tx_rate_to_linkq_offset(struct iwn_softc *sc, struct ieee80211_node *ni,
4303 struct ieee80211_rateset *rs;
4310 * Figure out if we're using 11n or not here.
4312 if (IEEE80211_IS_CHAN_HT(ni->ni_chan) && ni->ni_htrates.rs_nrates > 0)
4318 * Use the correct rate table.
4321 rs = (struct ieee80211_rateset *) &ni->ni_htrates;
4322 nr = ni->ni_htrates.rs_nrates;
4329 * Find the relevant link quality entry in the table.
4331 for (i = 0; i < nr && i < IWN_MAX_TX_RETRIES - 1 ; i++) {
4333 * The link quality table index starts at 0 == highest
4334 * rate, so we walk the rate table backwards.
4336 cmp_rate = rs->rs_rates[(nr - 1) - i];
4337 if (rate & IEEE80211_RATE_MCS)
4338 cmp_rate |= IEEE80211_RATE_MCS;
4341 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: idx %d: nr=%d, rate=0x%02x, rateentry=0x%02x\n",
4349 if (cmp_rate == rate)
4353 /* Failed? Start at the end */
4354 return (IWN_MAX_TX_RETRIES - 1);
4358 iwn_tx_data(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
4360 const struct ieee80211_txparam *tp = ni->ni_txparms;
4361 struct ieee80211vap *vap = ni->ni_vap;
4362 struct ieee80211com *ic = ni->ni_ic;
4363 struct iwn_node *wn = (void *)ni;
4364 struct iwn_tx_ring *ring;
4365 struct iwn_tx_cmd *cmd;
4366 struct iwn_cmd_data *tx;
4367 struct ieee80211_frame *wh;
4368 struct ieee80211_key *k = NULL;
4370 uint16_t seqno, qos;
4372 int ac, totlen, rate;
4374 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
4376 IWN_LOCK_ASSERT(sc);
4378 wh = mtod(m, struct ieee80211_frame *);
4379 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4381 /* Select EDCA Access Category and TX ring for this frame. */
4382 if (IEEE80211_QOS_HAS_SEQ(wh)) {
4383 qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
4384 tid = qos & IEEE80211_QOS_TID;
4390 /* Choose a TX rate index. */
4391 if (type == IEEE80211_FC0_TYPE_MGT ||
4392 type == IEEE80211_FC0_TYPE_CTL ||
4393 (m->m_flags & M_EAPOL) != 0)
4394 rate = tp->mgmtrate;
4395 else if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4396 rate = tp->mcastrate;
4397 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4398 rate = tp->ucastrate;
4400 /* XXX pass pktlen */
4401 (void) ieee80211_ratectl_rate(ni, NULL, 0);
4402 rate = ni->ni_txrate;
4406 * XXX TODO: Group addressed frames aren't aggregated and must
4407 * go to the normal non-aggregation queue, and have a NONQOS TID
4408 * assigned from net80211.
4411 ac = M_WME_GETAC(m);
4412 seqno = ni->ni_txseqs[tid];
4413 if (m->m_flags & M_AMPDU_MPDU) {
4414 struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[ac];
4416 if (!IEEE80211_AMPDU_RUNNING(tap)) {
4421 * Queue this frame to the hardware ring that we've
4422 * negotiated AMPDU TX on.
4424 * Note that the sequence number must match the TX slot
4427 ac = *(int *)tap->txa_private;
4428 *(uint16_t *)wh->i_seq =
4429 htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4430 ni->ni_txseqs[tid]++;
4433 /* Encrypt the frame if need be. */
4434 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
4435 /* Retrieve key for TX. */
4436 k = ieee80211_crypto_encap(ni, m);
4440 /* 802.11 header may have moved. */
4441 wh = mtod(m, struct ieee80211_frame *);
4443 totlen = m->m_pkthdr.len;
4445 if (ieee80211_radiotap_active_vap(vap)) {
4446 struct iwn_tx_radiotap_header *tap = &sc->sc_txtap;
4449 tap->wt_rate = rate;
4451 tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP;
4453 ieee80211_radiotap_tx(vap, m);
4457 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
4458 /* Unicast frame, check if an ACK is expected. */
4459 if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) !=
4460 IEEE80211_QOS_ACKPOLICY_NOACK)
4461 flags |= IWN_TX_NEED_ACK;
4464 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4465 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR))
4466 flags |= IWN_TX_IMM_BA; /* Cannot happen yet. */
4468 if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG)
4469 flags |= IWN_TX_MORE_FRAG; /* Cannot happen yet. */
4471 /* Check if frame must be protected using RTS/CTS or CTS-to-self. */
4472 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
4473 /* NB: Group frames are sent using CCK in 802.11b/g. */
4474 if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) {
4475 flags |= IWN_TX_NEED_RTS;
4476 } else if (iwn_check_rate_needs_protection(sc, vap, rate)) {
4477 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
4478 flags |= IWN_TX_NEED_CTS;
4479 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
4480 flags |= IWN_TX_NEED_RTS;
4481 } else if ((rate & IEEE80211_RATE_MCS) &&
4482 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)) {
4483 flags |= IWN_TX_NEED_RTS;
4486 /* XXX HT protection? */
4488 if (flags & (IWN_TX_NEED_RTS | IWN_TX_NEED_CTS)) {
4489 if (sc->hw_type != IWN_HW_REV_TYPE_4965) {
4490 /* 5000 autoselects RTS/CTS or CTS-to-self. */
4491 flags &= ~(IWN_TX_NEED_RTS | IWN_TX_NEED_CTS);
4492 flags |= IWN_TX_NEED_PROTECTION;
4494 flags |= IWN_TX_FULL_TXOP;
4498 ring = &sc->txq[ac];
4499 if ((m->m_flags & M_AMPDU_MPDU) != 0 &&
4500 (seqno % 256) != ring->cur) {
4501 device_printf(sc->sc_dev,
4502 "%s: m=%p: seqno (%d) (%d) != ring index (%d) !\n",
4510 /* Prepare TX firmware command. */
4511 cmd = &ring->cmd[ring->cur];
4512 tx = (struct iwn_cmd_data *)cmd->data;
4514 /* NB: No need to clear tx, all fields are reinitialized here. */
4515 tx->scratch = 0; /* clear "scratch" area */
4517 if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
4518 type != IEEE80211_FC0_TYPE_DATA)
4519 tx->id = sc->broadcast_id;
4523 if (type == IEEE80211_FC0_TYPE_MGT) {
4524 uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
4526 /* Tell HW to set timestamp in probe responses. */
4527 if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)
4528 flags |= IWN_TX_INSERT_TSTAMP;
4529 if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ ||
4530 subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ)
4531 tx->timeout = htole16(3);
4533 tx->timeout = htole16(2);
4535 tx->timeout = htole16(0);
4537 if (tx->id == sc->broadcast_id) {
4538 /* Group or management frame. */
4541 tx->linkq = iwn_tx_rate_to_linkq_offset(sc, ni, rate);
4542 flags |= IWN_TX_LINKQ; /* enable MRR */
4546 tx->rts_ntries = 60;
4547 tx->data_ntries = 15;
4548 tx->lifetime = htole32(IWN_LIFETIME_INFINITE);
4549 tx->rate = iwn_rate_to_plcp(sc, ni, rate);
4551 tx->flags = htole32(flags);
4553 return (iwn_tx_cmd(sc, m, ni, ring));
4557 iwn_tx_data_raw(struct iwn_softc *sc, struct mbuf *m,
4558 struct ieee80211_node *ni, const struct ieee80211_bpf_params *params)
4560 struct ieee80211vap *vap = ni->ni_vap;
4561 struct iwn_tx_cmd *cmd;
4562 struct iwn_cmd_data *tx;
4563 struct ieee80211_frame *wh;
4564 struct iwn_tx_ring *ring;
4569 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
4571 IWN_LOCK_ASSERT(sc);
4573 wh = mtod(m, struct ieee80211_frame *);
4574 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4576 ac = params->ibp_pri & 3;
4578 /* Choose a TX rate. */
4579 rate = params->ibp_rate0;
4582 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
4583 flags |= IWN_TX_NEED_ACK;
4584 if (params->ibp_flags & IEEE80211_BPF_RTS) {
4585 if (sc->hw_type != IWN_HW_REV_TYPE_4965) {
4586 /* 5000 autoselects RTS/CTS or CTS-to-self. */
4587 flags &= ~IWN_TX_NEED_RTS;
4588 flags |= IWN_TX_NEED_PROTECTION;
4590 flags |= IWN_TX_NEED_RTS | IWN_TX_FULL_TXOP;
4592 if (params->ibp_flags & IEEE80211_BPF_CTS) {
4593 if (sc->hw_type != IWN_HW_REV_TYPE_4965) {
4594 /* 5000 autoselects RTS/CTS or CTS-to-self. */
4595 flags &= ~IWN_TX_NEED_CTS;
4596 flags |= IWN_TX_NEED_PROTECTION;
4598 flags |= IWN_TX_NEED_CTS | IWN_TX_FULL_TXOP;
4601 if (ieee80211_radiotap_active_vap(vap)) {
4602 struct iwn_tx_radiotap_header *tap = &sc->sc_txtap;
4605 tap->wt_rate = rate;
4607 ieee80211_radiotap_tx(vap, m);
4610 ring = &sc->txq[ac];
4611 cmd = &ring->cmd[ring->cur];
4613 tx = (struct iwn_cmd_data *)cmd->data;
4614 /* NB: No need to clear tx, all fields are reinitialized here. */
4615 tx->scratch = 0; /* clear "scratch" area */
4617 if (type == IEEE80211_FC0_TYPE_MGT) {
4618 uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
4620 /* Tell HW to set timestamp in probe responses. */
4621 if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)
4622 flags |= IWN_TX_INSERT_TSTAMP;
4624 if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ ||
4625 subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ)
4626 tx->timeout = htole16(3);
4628 tx->timeout = htole16(2);
4630 tx->timeout = htole16(0);
4633 tx->id = sc->broadcast_id;
4634 tx->rts_ntries = params->ibp_try1;
4635 tx->data_ntries = params->ibp_try0;
4636 tx->lifetime = htole32(IWN_LIFETIME_INFINITE);
4637 tx->rate = iwn_rate_to_plcp(sc, ni, rate);
4639 tx->flags = htole32(flags);
4641 /* Group or management frame. */
4644 return (iwn_tx_cmd(sc, m, ni, ring));
4648 iwn_tx_cmd(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
4649 struct iwn_tx_ring *ring)
4651 struct iwn_ops *ops = &sc->ops;
4652 struct iwn_tx_cmd *cmd;
4653 struct iwn_cmd_data *tx;
4654 struct ieee80211_frame *wh;
4655 struct iwn_tx_desc *desc;
4656 struct iwn_tx_data *data;
4657 bus_dma_segment_t *seg, segs[IWN_MAX_SCATTER];
4660 int totlen, error, pad, nsegs = 0, i;
4662 wh = mtod(m, struct ieee80211_frame *);
4663 hdrlen = ieee80211_anyhdrsize(wh);
4664 totlen = m->m_pkthdr.len;
4666 desc = &ring->desc[ring->cur];
4667 data = &ring->data[ring->cur];
4669 /* Prepare TX firmware command. */
4670 cmd = &ring->cmd[ring->cur];
4671 cmd->code = IWN_CMD_TX_DATA;
4673 cmd->qid = ring->qid;
4674 cmd->idx = ring->cur;
4676 tx = (struct iwn_cmd_data *)cmd->data;
4677 tx->len = htole16(totlen);
4679 /* Set physical address of "scratch area". */
4680 tx->loaddr = htole32(IWN_LOADDR(data->scratch_paddr));
4681 tx->hiaddr = IWN_HIADDR(data->scratch_paddr);
4683 /* First segment length must be a multiple of 4. */
4684 tx->flags |= htole32(IWN_TX_NEED_PADDING);
4685 pad = 4 - (hdrlen & 3);
4689 /* Copy 802.11 header in TX command. */
4690 memcpy((uint8_t *)(tx + 1), wh, hdrlen);
4692 /* Trim 802.11 header. */
4695 error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, m, segs,
4696 &nsegs, BUS_DMA_NOWAIT);
4698 if (error != EFBIG) {
4699 device_printf(sc->sc_dev,
4700 "%s: can't map mbuf (error %d)\n", __func__, error);
4703 /* Too many DMA segments, linearize mbuf. */
4704 m1 = m_collapse(m, M_NOWAIT, IWN_MAX_SCATTER - 1);
4706 device_printf(sc->sc_dev,
4707 "%s: could not defrag mbuf\n", __func__);
4712 error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, m,
4713 segs, &nsegs, BUS_DMA_NOWAIT);
4717 * NB: Do not return error;
4718 * original mbuf does not exist anymore.
4720 device_printf(sc->sc_dev,
4721 "%s: can't map mbuf (error %d)\n",
4723 if_inc_counter(ni->ni_vap->iv_ifp,
4724 IFCOUNTER_OERRORS, 1);
4725 ieee80211_free_node(ni);
4734 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d "
4736 __func__, ring->qid, ring->cur, totlen, nsegs, tx->rate);
4738 /* Fill TX descriptor. */
4741 desc->nsegs += nsegs;
4742 /* First DMA segment is used by the TX command. */
4743 desc->segs[0].addr = htole32(IWN_LOADDR(data->cmd_paddr));
4744 desc->segs[0].len = htole16(IWN_HIADDR(data->cmd_paddr) |
4745 (4 + sizeof (*tx) + hdrlen + pad) << 4);
4746 /* Other DMA segments are for data payload. */
4748 for (i = 1; i <= nsegs; i++) {
4749 desc->segs[i].addr = htole32(IWN_LOADDR(seg->ds_addr));
4750 desc->segs[i].len = htole16(IWN_HIADDR(seg->ds_addr) |
4755 bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE);
4756 bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map,
4757 BUS_DMASYNC_PREWRITE);
4758 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
4759 BUS_DMASYNC_PREWRITE);
4761 /* Update TX scheduler. */
4762 if (ring->qid >= sc->firstaggqueue)
4763 ops->update_sched(sc, ring->qid, ring->cur, tx->id, totlen);
4766 ring->cur = (ring->cur + 1) % IWN_TX_RING_COUNT;
4767 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
4769 /* Mark TX ring as full if we reach a certain threshold. */
4770 if (++ring->queued > IWN_TX_RING_HIMARK)
4771 sc->qfullmsk |= 1 << ring->qid;
4773 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
4779 iwn_xmit_task(void *arg0, int pending)
4781 struct iwn_softc *sc = arg0;
4782 struct ieee80211_node *ni;
4785 struct ieee80211_bpf_params p;
4788 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: called\n", __func__);
4792 * Dequeue frames, attempt to transmit,
4793 * then disable beaconwait when we're done.
4795 while ((m = mbufq_dequeue(&sc->sc_xmit_queue)) != NULL) {
4797 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
4799 /* Get xmit params if appropriate */
4800 if (ieee80211_get_xmit_params(m, &p) == 0)
4803 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: m=%p, have_p=%d\n",
4804 __func__, m, have_p);
4806 /* If we have xmit params, use them */
4808 error = iwn_tx_data_raw(sc, m, ni, &p);
4810 error = iwn_tx_data(sc, m, ni);
4813 if_inc_counter(ni->ni_vap->iv_ifp,
4814 IFCOUNTER_OERRORS, 1);
4815 ieee80211_free_node(ni);
4820 sc->sc_beacon_wait = 0;
4825 * raw frame xmit - free node/reference if failed.
4828 iwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
4829 const struct ieee80211_bpf_params *params)
4831 struct ieee80211com *ic = ni->ni_ic;
4832 struct iwn_softc *sc = ic->ic_softc;
4835 DPRINTF(sc, IWN_DEBUG_XMIT | IWN_DEBUG_TRACE, "->%s begin\n", __func__);
4838 if ((sc->sc_flags & IWN_FLAG_RUNNING) == 0) {
4844 /* queue frame if we have to */
4845 if (sc->sc_beacon_wait) {
4846 if (iwn_xmit_queue_enqueue(sc, m) != 0) {
4851 /* Queued, so just return OK */
4856 if (params == NULL) {
4858 * Legacy path; interpret frame contents to decide
4859 * precisely how to send the frame.
4861 error = iwn_tx_data(sc, m, ni);
4864 * Caller supplied explicit parameters to use in
4865 * sending the frame.
4867 error = iwn_tx_data_raw(sc, m, ni, params);
4870 sc->sc_tx_timer = 5;
4876 DPRINTF(sc, IWN_DEBUG_TRACE | IWN_DEBUG_XMIT, "->%s: end\n",__func__);
4882 * transmit - don't free mbuf if failed; don't free node ref if failed.
4885 iwn_transmit(struct ieee80211com *ic, struct mbuf *m)
4887 struct iwn_softc *sc = ic->ic_softc;
4888 struct ieee80211_node *ni;
4891 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
4894 if ((sc->sc_flags & IWN_FLAG_RUNNING) == 0 || sc->sc_beacon_wait) {
4904 error = iwn_tx_data(sc, m, ni);
4906 sc->sc_tx_timer = 5;
4912 iwn_scan_timeout(void *arg)
4914 struct iwn_softc *sc = arg;
4915 struct ieee80211com *ic = &sc->sc_ic;
4917 ic_printf(ic, "scan timeout\n");
4918 ieee80211_restart_all(ic);
4922 iwn_watchdog(void *arg)
4924 struct iwn_softc *sc = arg;
4925 struct ieee80211com *ic = &sc->sc_ic;
4927 IWN_LOCK_ASSERT(sc);
4929 KASSERT(sc->sc_flags & IWN_FLAG_RUNNING, ("not running"));
4931 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
4933 if (sc->sc_tx_timer > 0) {
4934 if (--sc->sc_tx_timer == 0) {
4935 ic_printf(ic, "device timeout\n");
4936 ieee80211_restart_all(ic);
4940 callout_reset(&sc->watchdog_to, hz, iwn_watchdog, sc);
4944 iwn_cdev_open(struct cdev *dev, int flags, int type, struct thread *td)
4951 iwn_cdev_close(struct cdev *dev, int flags, int type, struct thread *td)
4958 iwn_cdev_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
4962 struct iwn_softc *sc = dev->si_drv1;
4963 struct iwn_ioctl_data *d;
4965 rc = priv_check(td, PRIV_DRIVER);
4971 d = (struct iwn_ioctl_data *) data;
4973 /* XXX validate permissions/memory/etc? */
4974 rc = copyout(&sc->last_stat, d->dst_addr, sizeof(struct iwn_stats));
4979 memset(&sc->last_stat, 0, sizeof(struct iwn_stats));
4990 iwn_ioctl(struct ieee80211com *ic, u_long cmd, void *data)
4997 iwn_parent(struct ieee80211com *ic)
4999 struct iwn_softc *sc = ic->ic_softc;
5000 struct ieee80211vap *vap;
5003 if (ic->ic_nrunning > 0) {
5004 error = iwn_init(sc);
5008 ieee80211_start_all(ic);
5011 /* radio is disabled via RFkill switch */
5012 taskqueue_enqueue(sc->sc_tq, &sc->sc_rftoggle_task);
5015 vap = TAILQ_FIRST(&ic->ic_vaps);
5017 ieee80211_stop(vap);
5025 * Send a command to the firmware.
5028 iwn_cmd(struct iwn_softc *sc, int code, const void *buf, int size, int async)
5030 struct iwn_tx_ring *ring;
5031 struct iwn_tx_desc *desc;
5032 struct iwn_tx_data *data;
5033 struct iwn_tx_cmd *cmd;
5039 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
5042 IWN_LOCK_ASSERT(sc);
5044 if (sc->sc_flags & IWN_FLAG_PAN_SUPPORT)
5045 cmd_queue_num = IWN_PAN_CMD_QUEUE;
5047 cmd_queue_num = IWN_CMD_QUEUE_NUM;
5049 ring = &sc->txq[cmd_queue_num];
5050 desc = &ring->desc[ring->cur];
5051 data = &ring->data[ring->cur];
5054 if (size > sizeof cmd->data) {
5055 /* Command is too large to fit in a descriptor. */
5056 if (totlen > MCLBYTES)
5058 m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5061 cmd = mtod(m, struct iwn_tx_cmd *);
5062 error = bus_dmamap_load(ring->data_dmat, data->map, cmd,
5063 totlen, iwn_dma_map_addr, &paddr, BUS_DMA_NOWAIT);
5070 cmd = &ring->cmd[ring->cur];
5071 paddr = data->cmd_paddr;
5076 cmd->qid = ring->qid;
5077 cmd->idx = ring->cur;
5078 memcpy(cmd->data, buf, size);
5081 desc->segs[0].addr = htole32(IWN_LOADDR(paddr));
5082 desc->segs[0].len = htole16(IWN_HIADDR(paddr) | totlen << 4);
5084 DPRINTF(sc, IWN_DEBUG_CMD, "%s: %s (0x%x) flags %d qid %d idx %d\n",
5085 __func__, iwn_intr_str(cmd->code), cmd->code,
5086 cmd->flags, cmd->qid, cmd->idx);
5088 if (size > sizeof cmd->data) {
5089 bus_dmamap_sync(ring->data_dmat, data->map,
5090 BUS_DMASYNC_PREWRITE);
5092 bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map,
5093 BUS_DMASYNC_PREWRITE);
5095 bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
5096 BUS_DMASYNC_PREWRITE);
5098 /* Kick command ring. */
5099 ring->cur = (ring->cur + 1) % IWN_TX_RING_COUNT;
5100 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
5102 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
5104 return async ? 0 : msleep(desc, &sc->sc_mtx, PCATCH, "iwncmd", hz);
5108 iwn4965_add_node(struct iwn_softc *sc, struct iwn_node_info *node, int async)
5110 struct iwn4965_node_info hnode;
5113 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5116 * We use the node structure for 5000 Series internally (it is
5117 * a superset of the one for 4965AGN). We thus copy the common
5118 * fields before sending the command.
5120 src = (caddr_t)node;
5121 dst = (caddr_t)&hnode;
5122 memcpy(dst, src, 48);
5123 /* Skip TSC, RX MIC and TX MIC fields from ``src''. */
5124 memcpy(dst + 48, src + 72, 20);
5125 return iwn_cmd(sc, IWN_CMD_ADD_NODE, &hnode, sizeof hnode, async);
5129 iwn5000_add_node(struct iwn_softc *sc, struct iwn_node_info *node, int async)
5132 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5134 /* Direct mapping. */
5135 return iwn_cmd(sc, IWN_CMD_ADD_NODE, node, sizeof (*node), async);
5139 iwn_set_link_quality(struct iwn_softc *sc, struct ieee80211_node *ni)
5141 struct iwn_node *wn = (void *)ni;
5142 struct ieee80211_rateset *rs;
5143 struct iwn_cmd_link_quality linkq;
5144 int i, rate, txrate;
5147 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
5149 memset(&linkq, 0, sizeof linkq);
5151 linkq.antmsk_1stream = iwn_get_1stream_tx_antmask(sc);
5152 linkq.antmsk_2stream = iwn_get_2stream_tx_antmask(sc);
5154 linkq.ampdu_max = 32; /* XXX negotiated? */
5155 linkq.ampdu_threshold = 3;
5156 linkq.ampdu_limit = htole16(4000); /* 4ms */
5158 DPRINTF(sc, IWN_DEBUG_XMIT,
5159 "%s: 1stream antenna=0x%02x, 2stream antenna=0x%02x, ntxstreams=%d\n",
5161 linkq.antmsk_1stream,
5162 linkq.antmsk_2stream,
5166 * Are we using 11n rates? Ensure the channel is
5167 * 11n _and_ we have some 11n rates, or don't
5170 if (IEEE80211_IS_CHAN_HT(ni->ni_chan) && ni->ni_htrates.rs_nrates > 0) {
5171 rs = (struct ieee80211_rateset *) &ni->ni_htrates;
5178 /* Start at highest available bit-rate. */
5180 * XXX this is all very dirty!
5183 txrate = ni->ni_htrates.rs_nrates - 1;
5185 txrate = rs->rs_nrates - 1;
5186 for (i = 0; i < IWN_MAX_TX_RETRIES; i++) {
5190 * XXX TODO: ensure the last two slots are the two lowest
5191 * rate entries, just for now.
5193 if (i == 14 || i == 15)
5197 rate = IEEE80211_RATE_MCS | rs->rs_rates[txrate];
5199 rate = IEEE80211_RV(rs->rs_rates[txrate]);
5201 /* Do rate -> PLCP config mapping */
5202 plcp = iwn_rate_to_plcp(sc, ni, rate);
5203 linkq.retry[i] = plcp;
5204 DPRINTF(sc, IWN_DEBUG_XMIT,
5205 "%s: i=%d, txrate=%d, rate=0x%02x, plcp=0x%08x\n",
5213 * The mimo field is an index into the table which
5214 * indicates the first index where it and subsequent entries
5215 * will not be using MIMO.
5217 * Since we're filling linkq from 0..15 and we're filling
5218 * from the highest MCS rates to the lowest rates, if we
5219 * _are_ doing a dual-stream rate, set mimo to idx+1 (ie,
5220 * the next entry.) That way if the next entry is a non-MIMO
5221 * entry, we're already pointing at it.
5223 if ((le32toh(plcp) & IWN_RFLAG_MCS) &&
5224 IEEE80211_RV(le32toh(plcp)) > 7)
5227 /* Next retry at immediate lower bit-rate. */
5232 * If we reached the end of the list and indeed we hit
5233 * all MIMO rates (eg 5300 doing MCS23-15) then yes,
5234 * set mimo to 15. Setting it to 16 panics the firmware.
5236 if (linkq.mimo > 15)
5239 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: mimo = %d\n", __func__, linkq.mimo);
5241 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
5243 return iwn_cmd(sc, IWN_CMD_LINK_QUALITY, &linkq, sizeof linkq, 1);
5247 * Broadcast node is used to send group-addressed and management frames.
5250 iwn_add_broadcast_node(struct iwn_softc *sc, int async)
5252 struct iwn_ops *ops = &sc->ops;
5253 struct ieee80211com *ic = &sc->sc_ic;
5254 struct iwn_node_info node;
5255 struct iwn_cmd_link_quality linkq;
5259 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
5261 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
5263 memset(&node, 0, sizeof node);
5264 IEEE80211_ADDR_COPY(node.macaddr, ieee80211broadcastaddr);
5265 node.id = sc->broadcast_id;
5266 DPRINTF(sc, IWN_DEBUG_RESET, "%s: adding broadcast node\n", __func__);
5267 if ((error = ops->add_node(sc, &node, async)) != 0)
5270 /* Use the first valid TX antenna. */
5271 txant = IWN_LSB(sc->txchainmask);
5273 memset(&linkq, 0, sizeof linkq);
5274 linkq.id = sc->broadcast_id;
5275 linkq.antmsk_1stream = iwn_get_1stream_tx_antmask(sc);
5276 linkq.antmsk_2stream = iwn_get_2stream_tx_antmask(sc);
5277 linkq.ampdu_max = 64;
5278 linkq.ampdu_threshold = 3;
5279 linkq.ampdu_limit = htole16(4000); /* 4ms */
5281 /* Use lowest mandatory bit-rate. */
5282 /* XXX rate table lookup? */
5283 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
5284 linkq.retry[0] = htole32(0xd);
5286 linkq.retry[0] = htole32(10 | IWN_RFLAG_CCK);
5287 linkq.retry[0] |= htole32(IWN_RFLAG_ANT(txant));
5288 /* Use same bit-rate for all TX retries. */
5289 for (i = 1; i < IWN_MAX_TX_RETRIES; i++) {
5290 linkq.retry[i] = linkq.retry[0];
5293 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
5295 return iwn_cmd(sc, IWN_CMD_LINK_QUALITY, &linkq, sizeof linkq, async);
5299 iwn_updateedca(struct ieee80211com *ic)
5301 #define IWN_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */
5302 struct iwn_softc *sc = ic->ic_softc;
5303 struct iwn_edca_params cmd;
5306 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
5308 memset(&cmd, 0, sizeof cmd);
5309 cmd.flags = htole32(IWN_EDCA_UPDATE);
5312 for (aci = 0; aci < WME_NUM_AC; aci++) {
5313 const struct wmeParams *ac =
5314 &ic->ic_wme.wme_chanParams.cap_wmeParams[aci];
5315 cmd.ac[aci].aifsn = ac->wmep_aifsn;
5316 cmd.ac[aci].cwmin = htole16(IWN_EXP2(ac->wmep_logcwmin));
5317 cmd.ac[aci].cwmax = htole16(IWN_EXP2(ac->wmep_logcwmax));
5318 cmd.ac[aci].txoplimit =
5319 htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit));
5321 IEEE80211_UNLOCK(ic);
5324 (void)iwn_cmd(sc, IWN_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1);
5327 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
5334 iwn_set_promisc(struct iwn_softc *sc)
5336 struct ieee80211com *ic = &sc->sc_ic;
5337 uint32_t promisc_filter;
5339 promisc_filter = IWN_FILTER_CTL | IWN_FILTER_PROMISC;
5340 if (ic->ic_promisc > 0 || ic->ic_opmode == IEEE80211_M_MONITOR)
5341 sc->rxon->filter |= htole32(promisc_filter);
5343 sc->rxon->filter &= ~htole32(promisc_filter);
5347 iwn_update_promisc(struct ieee80211com *ic)
5349 struct iwn_softc *sc = ic->ic_softc;
5352 if (ic->ic_opmode == IEEE80211_M_MONITOR)
5353 return; /* nothing to do */
5356 if (!(sc->sc_flags & IWN_FLAG_RUNNING)) {
5361 iwn_set_promisc(sc);
5362 if ((error = iwn_send_rxon(sc, 1, 1)) != 0) {
5363 device_printf(sc->sc_dev,
5364 "%s: could not send RXON, error %d\n",
5371 iwn_update_mcast(struct ieee80211com *ic)
5377 iwn_set_led(struct iwn_softc *sc, uint8_t which, uint8_t off, uint8_t on)
5379 struct iwn_cmd_led led;
5381 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5384 /* XXX don't set LEDs during scan? */
5385 if (sc->sc_is_scanning)
5389 /* Clear microcode LED ownership. */
5390 IWN_CLRBITS(sc, IWN_LED, IWN_LED_BSM_CTRL);
5393 led.unit = htole32(10000); /* on/off in unit of 100ms */
5396 (void)iwn_cmd(sc, IWN_CMD_SET_LED, &led, sizeof led, 1);
5400 * Set the critical temperature at which the firmware will stop the radio
5404 iwn_set_critical_temp(struct iwn_softc *sc)
5406 struct iwn_critical_temp crit;
5409 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5411 IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_CTEMP_STOP_RF);
5413 if (sc->hw_type == IWN_HW_REV_TYPE_5150)
5414 temp = (IWN_CTOK(110) - sc->temp_off) * -5;
5415 else if (sc->hw_type == IWN_HW_REV_TYPE_4965)
5416 temp = IWN_CTOK(110);
5419 memset(&crit, 0, sizeof crit);
5420 crit.tempR = htole32(temp);
5421 DPRINTF(sc, IWN_DEBUG_RESET, "setting critical temp to %d\n", temp);
5422 return iwn_cmd(sc, IWN_CMD_SET_CRITICAL_TEMP, &crit, sizeof crit, 0);
5426 iwn_set_timing(struct iwn_softc *sc, struct ieee80211_node *ni)
5428 struct iwn_cmd_timing cmd;
5431 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5433 memset(&cmd, 0, sizeof cmd);
5434 memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t));
5435 cmd.bintval = htole16(ni->ni_intval);
5436 cmd.lintval = htole16(10);
5438 /* Compute remaining time until next beacon. */
5439 val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU;
5440 mod = le64toh(cmd.tstamp) % val;
5441 cmd.binitval = htole32((uint32_t)(val - mod));
5443 DPRINTF(sc, IWN_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n",
5444 ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod));
5446 return iwn_cmd(sc, IWN_CMD_TIMING, &cmd, sizeof cmd, 1);
5450 iwn4965_power_calibration(struct iwn_softc *sc, int temp)
5453 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5455 /* Adjust TX power if need be (delta >= 3 degC). */
5456 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: temperature %d->%d\n",
5457 __func__, sc->temp, temp);
5458 if (abs(temp - sc->temp) >= 3) {
5459 /* Record temperature of last calibration. */
5461 (void)iwn4965_set_txpower(sc, 1);
5466 * Set TX power for current channel (each rate has its own power settings).
5467 * This function takes into account the regulatory information from EEPROM,
5468 * the current temperature and the current voltage.
5471 iwn4965_set_txpower(struct iwn_softc *sc, int async)
5473 /* Fixed-point arithmetic division using a n-bit fractional part. */
5474 #define fdivround(a, b, n) \
5475 ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n))
5476 /* Linear interpolation. */
5477 #define interpolate(x, x1, y1, x2, y2, n) \
5478 ((y1) + fdivround(((int)(x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n))
5480 static const int tdiv[IWN_NATTEN_GROUPS] = { 9, 8, 8, 8, 6 };
5481 struct iwn_ucode_info *uc = &sc->ucode_info;
5482 struct iwn4965_cmd_txpower cmd;
5483 struct iwn4965_eeprom_chan_samples *chans;
5484 const uint8_t *rf_gain, *dsp_gain;
5485 int32_t vdiff, tdiff;
5486 int i, is_chan_5ghz, c, grp, maxpwr;
5489 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
5490 /* Retrieve current channel from last RXON. */
5491 chan = sc->rxon->chan;
5492 is_chan_5ghz = (sc->rxon->flags & htole32(IWN_RXON_24GHZ)) == 0;
5493 DPRINTF(sc, IWN_DEBUG_RESET, "setting TX power for channel %d\n",
5496 memset(&cmd, 0, sizeof cmd);
5497 cmd.band = is_chan_5ghz ? 0 : 1;
5501 maxpwr = sc->maxpwr5GHz;
5502 rf_gain = iwn4965_rf_gain_5ghz;
5503 dsp_gain = iwn4965_dsp_gain_5ghz;
5505 maxpwr = sc->maxpwr2GHz;
5506 rf_gain = iwn4965_rf_gain_2ghz;
5507 dsp_gain = iwn4965_dsp_gain_2ghz;
5510 /* Compute voltage compensation. */
5511 vdiff = ((int32_t)le32toh(uc->volt) - sc->eeprom_voltage) / 7;
5516 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5517 "%s: voltage compensation=%d (UCODE=%d, EEPROM=%d)\n",
5518 __func__, vdiff, le32toh(uc->volt), sc->eeprom_voltage);
5520 /* Get channel attenuation group. */
5521 if (chan <= 20) /* 1-20 */
5523 else if (chan <= 43) /* 34-43 */
5525 else if (chan <= 70) /* 44-70 */
5527 else if (chan <= 124) /* 71-124 */
5531 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5532 "%s: chan %d, attenuation group=%d\n", __func__, chan, grp);
5534 /* Get channel sub-band. */
5535 for (i = 0; i < IWN_NBANDS; i++)
5536 if (sc->bands[i].lo != 0 &&
5537 sc->bands[i].lo <= chan && chan <= sc->bands[i].hi)
5539 if (i == IWN_NBANDS) /* Can't happen in real-life. */
5541 chans = sc->bands[i].chans;
5542 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5543 "%s: chan %d sub-band=%d\n", __func__, chan, i);
5545 for (c = 0; c < 2; c++) {
5546 uint8_t power, gain, temp;
5547 int maxchpwr, pwr, ridx, idx;
5549 power = interpolate(chan,
5550 chans[0].num, chans[0].samples[c][1].power,
5551 chans[1].num, chans[1].samples[c][1].power, 1);
5552 gain = interpolate(chan,
5553 chans[0].num, chans[0].samples[c][1].gain,
5554 chans[1].num, chans[1].samples[c][1].gain, 1);
5555 temp = interpolate(chan,
5556 chans[0].num, chans[0].samples[c][1].temp,
5557 chans[1].num, chans[1].samples[c][1].temp, 1);
5558 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5559 "%s: Tx chain %d: power=%d gain=%d temp=%d\n",
5560 __func__, c, power, gain, temp);
5562 /* Compute temperature compensation. */
5563 tdiff = ((sc->temp - temp) * 2) / tdiv[grp];
5564 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5565 "%s: temperature compensation=%d (current=%d, EEPROM=%d)\n",
5566 __func__, tdiff, sc->temp, temp);
5568 for (ridx = 0; ridx <= IWN_RIDX_MAX; ridx++) {
5569 /* Convert dBm to half-dBm. */
5570 maxchpwr = sc->maxpwr[chan] * 2;
5572 maxchpwr -= 6; /* MIMO 2T: -3dB */
5576 /* Adjust TX power based on rate. */
5577 if ((ridx % 8) == 5)
5578 pwr -= 15; /* OFDM48: -7.5dB */
5579 else if ((ridx % 8) == 6)
5580 pwr -= 17; /* OFDM54: -8.5dB */
5581 else if ((ridx % 8) == 7)
5582 pwr -= 20; /* OFDM60: -10dB */
5584 pwr -= 10; /* Others: -5dB */
5586 /* Do not exceed channel max TX power. */
5590 idx = gain - (pwr - power) - tdiff - vdiff;
5591 if ((ridx / 8) & 1) /* MIMO */
5592 idx += (int32_t)le32toh(uc->atten[grp][c]);
5595 idx += 9; /* 5GHz */
5596 if (ridx == IWN_RIDX_MAX)
5599 /* Make sure idx stays in a valid range. */
5602 else if (idx > IWN4965_MAX_PWR_INDEX)
5603 idx = IWN4965_MAX_PWR_INDEX;
5605 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5606 "%s: Tx chain %d, rate idx %d: power=%d\n",
5607 __func__, c, ridx, idx);
5608 cmd.power[ridx].rf_gain[c] = rf_gain[idx];
5609 cmd.power[ridx].dsp_gain[c] = dsp_gain[idx];
5613 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_TXPOW,
5614 "%s: set tx power for chan %d\n", __func__, chan);
5615 return iwn_cmd(sc, IWN_CMD_TXPOWER, &cmd, sizeof cmd, async);
5622 iwn5000_set_txpower(struct iwn_softc *sc, int async)
5624 struct iwn5000_cmd_txpower cmd;
5627 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5630 * TX power calibration is handled automatically by the firmware
5633 memset(&cmd, 0, sizeof cmd);
5634 cmd.global_limit = 2 * IWN5000_TXPOWER_MAX_DBM; /* 16 dBm */
5635 cmd.flags = IWN5000_TXPOWER_NO_CLOSED;
5636 cmd.srv_limit = IWN5000_TXPOWER_AUTO;
5637 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_XMIT,
5638 "%s: setting TX power; rev=%d\n",
5640 IWN_UCODE_API(sc->ucode_rev));
5641 if (IWN_UCODE_API(sc->ucode_rev) == 1)
5642 cmdid = IWN_CMD_TXPOWER_DBM_V1;
5644 cmdid = IWN_CMD_TXPOWER_DBM;
5645 return iwn_cmd(sc, cmdid, &cmd, sizeof cmd, async);
5649 * Retrieve the maximum RSSI (in dBm) among receivers.
5652 iwn4965_get_rssi(struct iwn_softc *sc, struct iwn_rx_stat *stat)
5654 struct iwn4965_rx_phystat *phy = (void *)stat->phybuf;
5658 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5660 mask = (le16toh(phy->antenna) >> 4) & IWN_ANT_ABC;
5661 agc = (le16toh(phy->agc) >> 7) & 0x7f;
5664 if (mask & IWN_ANT_A)
5665 rssi = MAX(rssi, phy->rssi[0]);
5666 if (mask & IWN_ANT_B)
5667 rssi = MAX(rssi, phy->rssi[2]);
5668 if (mask & IWN_ANT_C)
5669 rssi = MAX(rssi, phy->rssi[4]);
5671 DPRINTF(sc, IWN_DEBUG_RECV,
5672 "%s: agc %d mask 0x%x rssi %d %d %d result %d\n", __func__, agc,
5673 mask, phy->rssi[0], phy->rssi[2], phy->rssi[4],
5674 rssi - agc - IWN_RSSI_TO_DBM);
5675 return rssi - agc - IWN_RSSI_TO_DBM;
5679 iwn5000_get_rssi(struct iwn_softc *sc, struct iwn_rx_stat *stat)
5681 struct iwn5000_rx_phystat *phy = (void *)stat->phybuf;
5685 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5687 agc = (le32toh(phy->agc) >> 9) & 0x7f;
5689 rssi = MAX(le16toh(phy->rssi[0]) & 0xff,
5690 le16toh(phy->rssi[1]) & 0xff);
5691 rssi = MAX(le16toh(phy->rssi[2]) & 0xff, rssi);
5693 DPRINTF(sc, IWN_DEBUG_RECV,
5694 "%s: agc %d rssi %d %d %d result %d\n", __func__, agc,
5695 phy->rssi[0], phy->rssi[1], phy->rssi[2],
5696 rssi - agc - IWN_RSSI_TO_DBM);
5697 return rssi - agc - IWN_RSSI_TO_DBM;
5701 * Retrieve the average noise (in dBm) among receivers.
5704 iwn_get_noise(const struct iwn_rx_general_stats *stats)
5706 int i, total, nbant, noise;
5709 for (i = 0; i < 3; i++) {
5710 if ((noise = le32toh(stats->noise[i]) & 0xff) == 0)
5715 /* There should be at least one antenna but check anyway. */
5716 return (nbant == 0) ? -127 : (total / nbant) - 107;
5720 * Compute temperature (in degC) from last received statistics.
5723 iwn4965_get_temperature(struct iwn_softc *sc)
5725 struct iwn_ucode_info *uc = &sc->ucode_info;
5726 int32_t r1, r2, r3, r4, temp;
5728 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5730 r1 = le32toh(uc->temp[0].chan20MHz);
5731 r2 = le32toh(uc->temp[1].chan20MHz);
5732 r3 = le32toh(uc->temp[2].chan20MHz);
5733 r4 = le32toh(sc->rawtemp);
5735 if (r1 == r3) /* Prevents division by 0 (should not happen). */
5738 /* Sign-extend 23-bit R4 value to 32-bit. */
5739 r4 = ((r4 & 0xffffff) ^ 0x800000) - 0x800000;
5740 /* Compute temperature in Kelvin. */
5741 temp = (259 * (r4 - r2)) / (r3 - r1);
5742 temp = (temp * 97) / 100 + 8;
5744 DPRINTF(sc, IWN_DEBUG_ANY, "temperature %dK/%dC\n", temp,
5746 return IWN_KTOC(temp);
5750 iwn5000_get_temperature(struct iwn_softc *sc)
5754 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5757 * Temperature is not used by the driver for 5000 Series because
5758 * TX power calibration is handled by firmware.
5760 temp = le32toh(sc->rawtemp);
5761 if (sc->hw_type == IWN_HW_REV_TYPE_5150) {
5762 temp = (temp / -5) + sc->temp_off;
5763 temp = IWN_KTOC(temp);
5769 * Initialize sensitivity calibration state machine.
5772 iwn_init_sensitivity(struct iwn_softc *sc)
5774 struct iwn_ops *ops = &sc->ops;
5775 struct iwn_calib_state *calib = &sc->calib;
5779 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5781 /* Reset calibration state machine. */
5782 memset(calib, 0, sizeof (*calib));
5783 calib->state = IWN_CALIB_STATE_INIT;
5784 calib->cck_state = IWN_CCK_STATE_HIFA;
5785 /* Set initial correlation values. */
5786 calib->ofdm_x1 = sc->limits->min_ofdm_x1;
5787 calib->ofdm_mrc_x1 = sc->limits->min_ofdm_mrc_x1;
5788 calib->ofdm_x4 = sc->limits->min_ofdm_x4;
5789 calib->ofdm_mrc_x4 = sc->limits->min_ofdm_mrc_x4;
5790 calib->cck_x4 = 125;
5791 calib->cck_mrc_x4 = sc->limits->min_cck_mrc_x4;
5792 calib->energy_cck = sc->limits->energy_cck;
5794 /* Write initial sensitivity. */
5795 if ((error = iwn_send_sensitivity(sc)) != 0)
5798 /* Write initial gains. */
5799 if ((error = ops->init_gains(sc)) != 0)
5802 /* Request statistics at each beacon interval. */
5804 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: sending request for statistics\n",
5806 return iwn_cmd(sc, IWN_CMD_GET_STATISTICS, &flags, sizeof flags, 1);
5810 * Collect noise and RSSI statistics for the first 20 beacons received
5811 * after association and use them to determine connected antennas and
5812 * to set differential gains.
5815 iwn_collect_noise(struct iwn_softc *sc,
5816 const struct iwn_rx_general_stats *stats)
5818 struct iwn_ops *ops = &sc->ops;
5819 struct iwn_calib_state *calib = &sc->calib;
5820 struct ieee80211com *ic = &sc->sc_ic;
5824 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
5826 /* Accumulate RSSI and noise for all 3 antennas. */
5827 for (i = 0; i < 3; i++) {
5828 calib->rssi[i] += le32toh(stats->rssi[i]) & 0xff;
5829 calib->noise[i] += le32toh(stats->noise[i]) & 0xff;
5831 /* NB: We update differential gains only once after 20 beacons. */
5832 if (++calib->nbeacons < 20)
5835 /* Determine highest average RSSI. */
5836 val = MAX(calib->rssi[0], calib->rssi[1]);
5837 val = MAX(calib->rssi[2], val);
5839 /* Determine which antennas are connected. */
5840 sc->chainmask = sc->rxchainmask;
5841 for (i = 0; i < 3; i++)
5842 if (val - calib->rssi[i] > 15 * 20)
5843 sc->chainmask &= ~(1 << i);
5844 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_XMIT,
5845 "%s: RX chains mask: theoretical=0x%x, actual=0x%x\n",
5846 __func__, sc->rxchainmask, sc->chainmask);
5848 /* If none of the TX antennas are connected, keep at least one. */
5849 if ((sc->chainmask & sc->txchainmask) == 0)
5850 sc->chainmask |= IWN_LSB(sc->txchainmask);
5852 (void)ops->set_gains(sc);
5853 calib->state = IWN_CALIB_STATE_RUN;
5856 /* XXX Disable RX chains with no antennas connected. */
5857 sc->rxon->rxchain = htole16(IWN_RXCHAIN_SEL(sc->chainmask));
5858 if (sc->sc_is_scanning)
5859 device_printf(sc->sc_dev,
5860 "%s: is_scanning set, before RXON\n",
5862 (void)iwn_cmd(sc, IWN_CMD_RXON, sc->rxon, sc->rxonsz, 1);
5865 /* Enable power-saving mode if requested by user. */
5866 if (ic->ic_flags & IEEE80211_F_PMGTON)
5867 (void)iwn_set_pslevel(sc, 0, 3, 1);
5869 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
5874 iwn4965_init_gains(struct iwn_softc *sc)
5876 struct iwn_phy_calib_gain cmd;
5878 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5880 memset(&cmd, 0, sizeof cmd);
5881 cmd.code = IWN4965_PHY_CALIB_DIFF_GAIN;
5882 /* Differential gains initially set to 0 for all 3 antennas. */
5883 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
5884 "%s: setting initial differential gains\n", __func__);
5885 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 1);
5889 iwn5000_init_gains(struct iwn_softc *sc)
5891 struct iwn_phy_calib cmd;
5893 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5895 memset(&cmd, 0, sizeof cmd);
5896 cmd.code = sc->reset_noise_gain;
5899 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
5900 "%s: setting initial differential gains\n", __func__);
5901 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 1);
5905 iwn4965_set_gains(struct iwn_softc *sc)
5907 struct iwn_calib_state *calib = &sc->calib;
5908 struct iwn_phy_calib_gain cmd;
5909 int i, delta, noise;
5911 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5913 /* Get minimal noise among connected antennas. */
5914 noise = INT_MAX; /* NB: There's at least one antenna. */
5915 for (i = 0; i < 3; i++)
5916 if (sc->chainmask & (1 << i))
5917 noise = MIN(calib->noise[i], noise);
5919 memset(&cmd, 0, sizeof cmd);
5920 cmd.code = IWN4965_PHY_CALIB_DIFF_GAIN;
5921 /* Set differential gains for connected antennas. */
5922 for (i = 0; i < 3; i++) {
5923 if (sc->chainmask & (1 << i)) {
5924 /* Compute attenuation (in unit of 1.5dB). */
5925 delta = (noise - (int32_t)calib->noise[i]) / 30;
5926 /* NB: delta <= 0 */
5927 /* Limit to [-4.5dB,0]. */
5928 cmd.gain[i] = MIN(abs(delta), 3);
5930 cmd.gain[i] |= 1 << 2; /* sign bit */
5933 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
5934 "setting differential gains Ant A/B/C: %x/%x/%x (%x)\n",
5935 cmd.gain[0], cmd.gain[1], cmd.gain[2], sc->chainmask);
5936 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 1);
5940 iwn5000_set_gains(struct iwn_softc *sc)
5942 struct iwn_calib_state *calib = &sc->calib;
5943 struct iwn_phy_calib_gain cmd;
5944 int i, ant, div, delta;
5946 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
5948 /* We collected 20 beacons and !=6050 need a 1.5 factor. */
5949 div = (sc->hw_type == IWN_HW_REV_TYPE_6050) ? 20 : 30;
5951 memset(&cmd, 0, sizeof cmd);
5952 cmd.code = sc->noise_gain;
5955 /* Get first available RX antenna as referential. */
5956 ant = IWN_LSB(sc->rxchainmask);
5957 /* Set differential gains for other antennas. */
5958 for (i = ant + 1; i < 3; i++) {
5959 if (sc->chainmask & (1 << i)) {
5960 /* The delta is relative to antenna "ant". */
5961 delta = ((int32_t)calib->noise[ant] -
5962 (int32_t)calib->noise[i]) / div;
5963 /* Limit to [-4.5dB,+4.5dB]. */
5964 cmd.gain[i - 1] = MIN(abs(delta), 3);
5966 cmd.gain[i - 1] |= 1 << 2; /* sign bit */
5969 DPRINTF(sc, IWN_DEBUG_CALIBRATE | IWN_DEBUG_XMIT,
5970 "setting differential gains Ant B/C: %x/%x (%x)\n",
5971 cmd.gain[0], cmd.gain[1], sc->chainmask);
5972 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 1);
5976 * Tune RF RX sensitivity based on the number of false alarms detected
5977 * during the last beacon period.
5980 iwn_tune_sensitivity(struct iwn_softc *sc, const struct iwn_rx_stats *stats)
5982 #define inc(val, inc, max) \
5983 if ((val) < (max)) { \
5984 if ((val) < (max) - (inc)) \
5990 #define dec(val, dec, min) \
5991 if ((val) > (min)) { \
5992 if ((val) > (min) + (dec)) \
5999 const struct iwn_sensitivity_limits *limits = sc->limits;
6000 struct iwn_calib_state *calib = &sc->calib;
6001 uint32_t val, rxena, fa;
6002 uint32_t energy[3], energy_min;
6003 uint8_t noise[3], noise_ref;
6004 int i, needs_update = 0;
6006 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
6008 /* Check that we've been enabled long enough. */
6009 if ((rxena = le32toh(stats->general.load)) == 0){
6010 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end not so long\n", __func__);
6014 /* Compute number of false alarms since last call for OFDM. */
6015 fa = le32toh(stats->ofdm.bad_plcp) - calib->bad_plcp_ofdm;
6016 fa += le32toh(stats->ofdm.fa) - calib->fa_ofdm;
6017 fa *= 200 * IEEE80211_DUR_TU; /* 200TU */
6019 if (fa > 50 * rxena) {
6020 /* High false alarm count, decrease sensitivity. */
6021 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6022 "%s: OFDM high false alarm count: %u\n", __func__, fa);
6023 inc(calib->ofdm_x1, 1, limits->max_ofdm_x1);
6024 inc(calib->ofdm_mrc_x1, 1, limits->max_ofdm_mrc_x1);
6025 inc(calib->ofdm_x4, 1, limits->max_ofdm_x4);
6026 inc(calib->ofdm_mrc_x4, 1, limits->max_ofdm_mrc_x4);
6028 } else if (fa < 5 * rxena) {
6029 /* Low false alarm count, increase sensitivity. */
6030 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6031 "%s: OFDM low false alarm count: %u\n", __func__, fa);
6032 dec(calib->ofdm_x1, 1, limits->min_ofdm_x1);
6033 dec(calib->ofdm_mrc_x1, 1, limits->min_ofdm_mrc_x1);
6034 dec(calib->ofdm_x4, 1, limits->min_ofdm_x4);
6035 dec(calib->ofdm_mrc_x4, 1, limits->min_ofdm_mrc_x4);
6038 /* Compute maximum noise among 3 receivers. */
6039 for (i = 0; i < 3; i++)
6040 noise[i] = (le32toh(stats->general.noise[i]) >> 8) & 0xff;
6041 val = MAX(noise[0], noise[1]);
6042 val = MAX(noise[2], val);
6043 /* Insert it into our samples table. */
6044 calib->noise_samples[calib->cur_noise_sample] = val;
6045 calib->cur_noise_sample = (calib->cur_noise_sample + 1) % 20;
6047 /* Compute maximum noise among last 20 samples. */
6048 noise_ref = calib->noise_samples[0];
6049 for (i = 1; i < 20; i++)
6050 noise_ref = MAX(noise_ref, calib->noise_samples[i]);
6052 /* Compute maximum energy among 3 receivers. */
6053 for (i = 0; i < 3; i++)
6054 energy[i] = le32toh(stats->general.energy[i]);
6055 val = MIN(energy[0], energy[1]);
6056 val = MIN(energy[2], val);
6057 /* Insert it into our samples table. */
6058 calib->energy_samples[calib->cur_energy_sample] = val;
6059 calib->cur_energy_sample = (calib->cur_energy_sample + 1) % 10;
6061 /* Compute minimum energy among last 10 samples. */
6062 energy_min = calib->energy_samples[0];
6063 for (i = 1; i < 10; i++)
6064 energy_min = MAX(energy_min, calib->energy_samples[i]);
6067 /* Compute number of false alarms since last call for CCK. */
6068 fa = le32toh(stats->cck.bad_plcp) - calib->bad_plcp_cck;
6069 fa += le32toh(stats->cck.fa) - calib->fa_cck;
6070 fa *= 200 * IEEE80211_DUR_TU; /* 200TU */
6072 if (fa > 50 * rxena) {
6073 /* High false alarm count, decrease sensitivity. */
6074 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6075 "%s: CCK high false alarm count: %u\n", __func__, fa);
6076 calib->cck_state = IWN_CCK_STATE_HIFA;
6079 if (calib->cck_x4 > 160) {
6080 calib->noise_ref = noise_ref;
6081 if (calib->energy_cck > 2)
6082 dec(calib->energy_cck, 2, energy_min);
6084 if (calib->cck_x4 < 160) {
6085 calib->cck_x4 = 161;
6088 inc(calib->cck_x4, 3, limits->max_cck_x4);
6090 inc(calib->cck_mrc_x4, 3, limits->max_cck_mrc_x4);
6092 } else if (fa < 5 * rxena) {
6093 /* Low false alarm count, increase sensitivity. */
6094 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6095 "%s: CCK low false alarm count: %u\n", __func__, fa);
6096 calib->cck_state = IWN_CCK_STATE_LOFA;
6099 if (calib->cck_state != IWN_CCK_STATE_INIT &&
6100 (((int32_t)calib->noise_ref - (int32_t)noise_ref) > 2 ||
6101 calib->low_fa > 100)) {
6102 inc(calib->energy_cck, 2, limits->min_energy_cck);
6103 dec(calib->cck_x4, 3, limits->min_cck_x4);
6104 dec(calib->cck_mrc_x4, 3, limits->min_cck_mrc_x4);
6107 /* Not worth to increase or decrease sensitivity. */
6108 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6109 "%s: CCK normal false alarm count: %u\n", __func__, fa);
6111 calib->noise_ref = noise_ref;
6113 if (calib->cck_state == IWN_CCK_STATE_HIFA) {
6114 /* Previous interval had many false alarms. */
6115 dec(calib->energy_cck, 8, energy_min);
6117 calib->cck_state = IWN_CCK_STATE_INIT;
6121 (void)iwn_send_sensitivity(sc);
6123 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
6130 iwn_send_sensitivity(struct iwn_softc *sc)
6132 struct iwn_calib_state *calib = &sc->calib;
6133 struct iwn_enhanced_sensitivity_cmd cmd;
6136 memset(&cmd, 0, sizeof cmd);
6137 len = sizeof (struct iwn_sensitivity_cmd);
6138 cmd.which = IWN_SENSITIVITY_WORKTBL;
6139 /* OFDM modulation. */
6140 cmd.corr_ofdm_x1 = htole16(calib->ofdm_x1);
6141 cmd.corr_ofdm_mrc_x1 = htole16(calib->ofdm_mrc_x1);
6142 cmd.corr_ofdm_x4 = htole16(calib->ofdm_x4);
6143 cmd.corr_ofdm_mrc_x4 = htole16(calib->ofdm_mrc_x4);
6144 cmd.energy_ofdm = htole16(sc->limits->energy_ofdm);
6145 cmd.energy_ofdm_th = htole16(62);
6146 /* CCK modulation. */
6147 cmd.corr_cck_x4 = htole16(calib->cck_x4);
6148 cmd.corr_cck_mrc_x4 = htole16(calib->cck_mrc_x4);
6149 cmd.energy_cck = htole16(calib->energy_cck);
6150 /* Barker modulation: use default values. */
6151 cmd.corr_barker = htole16(190);
6152 cmd.corr_barker_mrc = htole16(sc->limits->barker_mrc);
6154 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6155 "%s: set sensitivity %d/%d/%d/%d/%d/%d/%d\n", __func__,
6156 calib->ofdm_x1, calib->ofdm_mrc_x1, calib->ofdm_x4,
6157 calib->ofdm_mrc_x4, calib->cck_x4,
6158 calib->cck_mrc_x4, calib->energy_cck);
6160 if (!(sc->sc_flags & IWN_FLAG_ENH_SENS))
6162 /* Enhanced sensitivity settings. */
6163 len = sizeof (struct iwn_enhanced_sensitivity_cmd);
6164 cmd.ofdm_det_slope_mrc = htole16(668);
6165 cmd.ofdm_det_icept_mrc = htole16(4);
6166 cmd.ofdm_det_slope = htole16(486);
6167 cmd.ofdm_det_icept = htole16(37);
6168 cmd.cck_det_slope_mrc = htole16(853);
6169 cmd.cck_det_icept_mrc = htole16(4);
6170 cmd.cck_det_slope = htole16(476);
6171 cmd.cck_det_icept = htole16(99);
6173 return iwn_cmd(sc, IWN_CMD_SET_SENSITIVITY, &cmd, len, 1);
6177 * Look at the increase of PLCP errors over time; if it exceeds
6178 * a programmed threshold then trigger an RF retune.
6181 iwn_check_rx_recovery(struct iwn_softc *sc, struct iwn_stats *rs)
6183 int32_t delta_ofdm, delta_ht, delta_cck;
6184 struct iwn_calib_state *calib = &sc->calib;
6185 int delta_ticks, cur_ticks;
6190 * Calculate the difference between the current and
6191 * previous statistics.
6193 delta_cck = le32toh(rs->rx.cck.bad_plcp) - calib->bad_plcp_cck;
6194 delta_ofdm = le32toh(rs->rx.ofdm.bad_plcp) - calib->bad_plcp_ofdm;
6195 delta_ht = le32toh(rs->rx.ht.bad_plcp) - calib->bad_plcp_ht;
6198 * Calculate the delta in time between successive statistics
6199 * messages. Yes, it can roll over; so we make sure that
6200 * this doesn't happen.
6202 * XXX go figure out what to do about rollover
6203 * XXX go figure out what to do if ticks rolls over to -ve instead!
6204 * XXX go stab signed integer overflow undefined-ness in the face.
6207 delta_ticks = cur_ticks - sc->last_calib_ticks;
6210 * If any are negative, then the firmware likely reset; so just
6211 * bail. We'll pick this up next time.
6213 if (delta_cck < 0 || delta_ofdm < 0 || delta_ht < 0 || delta_ticks < 0)
6217 * delta_ticks is in ticks; we need to convert it up to milliseconds
6218 * so we can do some useful math with it.
6220 delta_msec = ticks_to_msecs(delta_ticks);
6223 * Calculate what our threshold is given the current delta_msec.
6225 thresh = sc->base_params->plcp_err_threshold * delta_msec;
6227 DPRINTF(sc, IWN_DEBUG_STATE,
6228 "%s: time delta: %d; cck=%d, ofdm=%d, ht=%d, total=%d, thresh=%d\n",
6234 (delta_msec + delta_cck + delta_ofdm + delta_ht),
6238 * If we need a retune, then schedule a single channel scan
6239 * to a channel that isn't the currently active one!
6241 * The math from linux iwlwifi:
6243 * if ((delta * 100 / msecs) > threshold)
6245 if (thresh > 0 && (delta_cck + delta_ofdm + delta_ht) * 100 > thresh) {
6246 DPRINTF(sc, IWN_DEBUG_ANY,
6247 "%s: PLCP error threshold raw (%d) comparison (%d) "
6248 "over limit (%d); retune!\n",
6250 (delta_cck + delta_ofdm + delta_ht),
6251 (delta_cck + delta_ofdm + delta_ht) * 100,
6257 * Set STA mode power saving level (between 0 and 5).
6258 * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving.
6261 iwn_set_pslevel(struct iwn_softc *sc, int dtim, int level, int async)
6263 struct iwn_pmgt_cmd cmd;
6264 const struct iwn_pmgt *pmgt;
6265 uint32_t max, skip_dtim;
6269 DPRINTF(sc, IWN_DEBUG_PWRSAVE,
6270 "%s: dtim=%d, level=%d, async=%d\n",
6276 /* Select which PS parameters to use. */
6278 pmgt = &iwn_pmgt[0][level];
6279 else if (dtim <= 10)
6280 pmgt = &iwn_pmgt[1][level];
6282 pmgt = &iwn_pmgt[2][level];
6284 memset(&cmd, 0, sizeof cmd);
6285 if (level != 0) /* not CAM */
6286 cmd.flags |= htole16(IWN_PS_ALLOW_SLEEP);
6288 cmd.flags |= htole16(IWN_PS_FAST_PD);
6289 /* Retrieve PCIe Active State Power Management (ASPM). */
6290 reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + PCIER_LINK_CTL, 4);
6291 if (!(reg & PCIEM_LINK_CTL_ASPMC_L0S)) /* L0s Entry disabled. */
6292 cmd.flags |= htole16(IWN_PS_PCI_PMGT);
6293 cmd.rxtimeout = htole32(pmgt->rxtimeout * 1024);
6294 cmd.txtimeout = htole32(pmgt->txtimeout * 1024);
6300 skip_dtim = pmgt->skip_dtim;
6301 if (skip_dtim != 0) {
6302 cmd.flags |= htole16(IWN_PS_SLEEP_OVER_DTIM);
6303 max = pmgt->intval[4];
6304 if (max == (uint32_t)-1)
6305 max = dtim * (skip_dtim + 1);
6306 else if (max > dtim)
6307 max = rounddown(max, dtim);
6310 for (i = 0; i < 5; i++)
6311 cmd.intval[i] = htole32(MIN(max, pmgt->intval[i]));
6313 DPRINTF(sc, IWN_DEBUG_RESET, "setting power saving level to %d\n",
6315 return iwn_cmd(sc, IWN_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async);
6319 iwn_send_btcoex(struct iwn_softc *sc)
6321 struct iwn_bluetooth cmd;
6323 memset(&cmd, 0, sizeof cmd);
6324 cmd.flags = IWN_BT_COEX_CHAN_ANN | IWN_BT_COEX_BT_PRIO;
6325 cmd.lead_time = IWN_BT_LEAD_TIME_DEF;
6326 cmd.max_kill = IWN_BT_MAX_KILL_DEF;
6327 DPRINTF(sc, IWN_DEBUG_RESET, "%s: configuring bluetooth coexistence\n",
6329 return iwn_cmd(sc, IWN_CMD_BT_COEX, &cmd, sizeof(cmd), 0);
6333 iwn_send_advanced_btcoex(struct iwn_softc *sc)
6335 static const uint32_t btcoex_3wire[12] = {
6336 0xaaaaaaaa, 0xaaaaaaaa, 0xaeaaaaaa, 0xaaaaaaaa,
6337 0xcc00ff28, 0x0000aaaa, 0xcc00aaaa, 0x0000aaaa,
6338 0xc0004000, 0x00004000, 0xf0005000, 0xf0005000,
6340 struct iwn6000_btcoex_config btconfig;
6341 struct iwn2000_btcoex_config btconfig2k;
6342 struct iwn_btcoex_priotable btprio;
6343 struct iwn_btcoex_prot btprot;
6347 memset(&btconfig, 0, sizeof btconfig);
6348 memset(&btconfig2k, 0, sizeof btconfig2k);
6350 flags = IWN_BT_FLAG_COEX6000_MODE_3W <<
6351 IWN_BT_FLAG_COEX6000_MODE_SHIFT; // Done as is in linux kernel 3.2
6353 if (sc->base_params->bt_sco_disable)
6354 flags &= ~IWN_BT_FLAG_SYNC_2_BT_DISABLE;
6356 flags |= IWN_BT_FLAG_SYNC_2_BT_DISABLE;
6358 flags |= IWN_BT_FLAG_COEX6000_CHAN_INHIBITION;
6360 /* Default flags result is 145 as old value */
6363 * Flags value has to be review. Values must change if we
6364 * which to disable it
6366 if (sc->base_params->bt_session_2) {
6367 btconfig2k.flags = flags;
6368 btconfig2k.max_kill = 5;
6369 btconfig2k.bt3_t7_timer = 1;
6370 btconfig2k.kill_ack = htole32(0xffff0000);
6371 btconfig2k.kill_cts = htole32(0xffff0000);
6372 btconfig2k.sample_time = 2;
6373 btconfig2k.bt3_t2_timer = 0xc;
6375 for (i = 0; i < 12; i++)
6376 btconfig2k.lookup_table[i] = htole32(btcoex_3wire[i]);
6377 btconfig2k.valid = htole16(0xff);
6378 btconfig2k.prio_boost = htole32(0xf0);
6379 DPRINTF(sc, IWN_DEBUG_RESET,
6380 "%s: configuring advanced bluetooth coexistence"
6381 " session 2, flags : 0x%x\n",
6384 error = iwn_cmd(sc, IWN_CMD_BT_COEX, &btconfig2k,
6385 sizeof(btconfig2k), 1);
6387 btconfig.flags = flags;
6388 btconfig.max_kill = 5;
6389 btconfig.bt3_t7_timer = 1;
6390 btconfig.kill_ack = htole32(0xffff0000);
6391 btconfig.kill_cts = htole32(0xffff0000);
6392 btconfig.sample_time = 2;
6393 btconfig.bt3_t2_timer = 0xc;
6395 for (i = 0; i < 12; i++)
6396 btconfig.lookup_table[i] = htole32(btcoex_3wire[i]);
6397 btconfig.valid = htole16(0xff);
6398 btconfig.prio_boost = 0xf0;
6399 DPRINTF(sc, IWN_DEBUG_RESET,
6400 "%s: configuring advanced bluetooth coexistence,"
6404 error = iwn_cmd(sc, IWN_CMD_BT_COEX, &btconfig,
6405 sizeof(btconfig), 1);
6411 memset(&btprio, 0, sizeof btprio);
6412 btprio.calib_init1 = 0x6;
6413 btprio.calib_init2 = 0x7;
6414 btprio.calib_periodic_low1 = 0x2;
6415 btprio.calib_periodic_low2 = 0x3;
6416 btprio.calib_periodic_high1 = 0x4;
6417 btprio.calib_periodic_high2 = 0x5;
6419 btprio.scan52 = 0x8;
6420 btprio.scan24 = 0xa;
6421 error = iwn_cmd(sc, IWN_CMD_BT_COEX_PRIOTABLE, &btprio, sizeof(btprio),
6426 /* Force BT state machine change. */
6427 memset(&btprot, 0, sizeof btprot);
6430 error = iwn_cmd(sc, IWN_CMD_BT_COEX_PROT, &btprot, sizeof(btprot), 1);
6434 return iwn_cmd(sc, IWN_CMD_BT_COEX_PROT, &btprot, sizeof(btprot), 1);
6438 iwn5000_runtime_calib(struct iwn_softc *sc)
6440 struct iwn5000_calib_config cmd;
6442 memset(&cmd, 0, sizeof cmd);
6443 cmd.ucode.once.enable = 0xffffffff;
6444 cmd.ucode.once.start = IWN5000_CALIB_DC;
6445 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
6446 "%s: configuring runtime calibration\n", __func__);
6447 return iwn_cmd(sc, IWN5000_CMD_CALIB_CONFIG, &cmd, sizeof(cmd), 0);
6451 iwn_get_rxon_ht_flags(struct iwn_softc *sc, struct ieee80211_channel *c)
6453 struct ieee80211com *ic = &sc->sc_ic;
6454 uint32_t htflags = 0;
6456 if (! IEEE80211_IS_CHAN_HT(c))
6459 htflags |= IWN_RXON_HT_PROTMODE(ic->ic_curhtprotmode);
6461 if (IEEE80211_IS_CHAN_HT40(c)) {
6462 switch (ic->ic_curhtprotmode) {
6463 case IEEE80211_HTINFO_OPMODE_HT20PR:
6464 htflags |= IWN_RXON_HT_MODEPURE40;
6467 htflags |= IWN_RXON_HT_MODEMIXED;
6471 if (IEEE80211_IS_CHAN_HT40D(c))
6472 htflags |= IWN_RXON_HT_HT40MINUS;
6478 iwn_check_bss_filter(struct iwn_softc *sc)
6480 return ((sc->rxon->filter & htole32(IWN_FILTER_BSS)) != 0);
6484 iwn4965_rxon_assoc(struct iwn_softc *sc, int async)
6486 struct iwn4965_rxon_assoc cmd;
6487 struct iwn_rxon *rxon = sc->rxon;
6489 cmd.flags = rxon->flags;
6490 cmd.filter = rxon->filter;
6491 cmd.ofdm_mask = rxon->ofdm_mask;
6492 cmd.cck_mask = rxon->cck_mask;
6493 cmd.ht_single_mask = rxon->ht_single_mask;
6494 cmd.ht_dual_mask = rxon->ht_dual_mask;
6495 cmd.rxchain = rxon->rxchain;
6498 return (iwn_cmd(sc, IWN_CMD_RXON_ASSOC, &cmd, sizeof(cmd), async));
6502 iwn5000_rxon_assoc(struct iwn_softc *sc, int async)
6504 struct iwn5000_rxon_assoc cmd;
6505 struct iwn_rxon *rxon = sc->rxon;
6507 cmd.flags = rxon->flags;
6508 cmd.filter = rxon->filter;
6509 cmd.ofdm_mask = rxon->ofdm_mask;
6510 cmd.cck_mask = rxon->cck_mask;
6512 cmd.ht_single_mask = rxon->ht_single_mask;
6513 cmd.ht_dual_mask = rxon->ht_dual_mask;
6514 cmd.ht_triple_mask = rxon->ht_triple_mask;
6516 cmd.rxchain = rxon->rxchain;
6517 cmd.acquisition = rxon->acquisition;
6520 return (iwn_cmd(sc, IWN_CMD_RXON_ASSOC, &cmd, sizeof(cmd), async));
6524 iwn_send_rxon(struct iwn_softc *sc, int assoc, int async)
6526 struct iwn_ops *ops = &sc->ops;
6529 IWN_LOCK_ASSERT(sc);
6531 if (assoc && iwn_check_bss_filter(sc) != 0) {
6532 error = ops->rxon_assoc(sc, async);
6534 device_printf(sc->sc_dev,
6535 "%s: RXON_ASSOC command failed, error %d\n",
6540 if (sc->sc_is_scanning)
6541 device_printf(sc->sc_dev,
6542 "%s: is_scanning set, before RXON\n",
6545 error = iwn_cmd(sc, IWN_CMD_RXON, sc->rxon, sc->rxonsz, async);
6547 device_printf(sc->sc_dev,
6548 "%s: RXON command failed, error %d\n",
6554 * Reconfiguring RXON clears the firmware nodes table so
6555 * we must add the broadcast node again.
6557 if (iwn_check_bss_filter(sc) == 0 &&
6558 (error = iwn_add_broadcast_node(sc, async)) != 0) {
6559 device_printf(sc->sc_dev,
6560 "%s: could not add broadcast node, error %d\n",
6566 /* Configuration has changed, set TX power accordingly. */
6567 if ((error = ops->set_txpower(sc, async)) != 0) {
6568 device_printf(sc->sc_dev,
6569 "%s: could not set TX power, error %d\n",
6578 iwn_config(struct iwn_softc *sc)
6580 struct ieee80211com *ic = &sc->sc_ic;
6581 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
6582 const uint8_t *macaddr;
6587 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
6589 if ((sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSET)
6590 && (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSETv2)) {
6591 device_printf(sc->sc_dev,"%s: temp_offset and temp_offsetv2 are"
6592 " exclusive each together. Review NIC config file. Conf"
6593 " : 0x%08x Flags : 0x%08x \n", __func__,
6594 sc->base_params->calib_need,
6595 (IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSET |
6596 IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSETv2));
6600 /* Compute temperature calib if needed. Will be send by send calib */
6601 if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSET) {
6602 error = iwn5000_temp_offset_calib(sc);
6604 device_printf(sc->sc_dev,
6605 "%s: could not set temperature offset\n", __func__);
6608 } else if (sc->base_params->calib_need & IWN_FLG_NEED_PHY_CALIB_TEMP_OFFSETv2) {
6609 error = iwn5000_temp_offset_calibv2(sc);
6611 device_printf(sc->sc_dev,
6612 "%s: could not compute temperature offset v2\n",
6618 if (sc->hw_type == IWN_HW_REV_TYPE_6050) {
6619 /* Configure runtime DC calibration. */
6620 error = iwn5000_runtime_calib(sc);
6622 device_printf(sc->sc_dev,
6623 "%s: could not configure runtime calibration\n",
6629 /* Configure valid TX chains for >=5000 Series. */
6630 if (sc->hw_type != IWN_HW_REV_TYPE_4965 &&
6631 IWN_UCODE_API(sc->ucode_rev) > 1) {
6632 txmask = htole32(sc->txchainmask);
6633 DPRINTF(sc, IWN_DEBUG_RESET | IWN_DEBUG_XMIT,
6634 "%s: configuring valid TX chains 0x%x\n", __func__, txmask);
6635 error = iwn_cmd(sc, IWN5000_CMD_TX_ANT_CONFIG, &txmask,
6638 device_printf(sc->sc_dev,
6639 "%s: could not configure valid TX chains, "
6640 "error %d\n", __func__, error);
6645 /* Configure bluetooth coexistence. */
6648 /* Configure bluetooth coexistence if needed. */
6649 if (sc->base_params->bt_mode == IWN_BT_ADVANCED)
6650 error = iwn_send_advanced_btcoex(sc);
6651 if (sc->base_params->bt_mode == IWN_BT_SIMPLE)
6652 error = iwn_send_btcoex(sc);
6655 device_printf(sc->sc_dev,
6656 "%s: could not configure bluetooth coexistence, error %d\n",
6661 /* Set mode, channel, RX filter and enable RX. */
6662 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
6663 memset(sc->rxon, 0, sizeof (struct iwn_rxon));
6664 macaddr = vap ? vap->iv_myaddr : ic->ic_macaddr;
6665 IEEE80211_ADDR_COPY(sc->rxon->myaddr, macaddr);
6666 IEEE80211_ADDR_COPY(sc->rxon->wlap, macaddr);
6667 sc->rxon->chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
6668 sc->rxon->flags = htole32(IWN_RXON_TSF | IWN_RXON_CTS_TO_SELF);
6669 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
6670 sc->rxon->flags |= htole32(IWN_RXON_AUTO | IWN_RXON_24GHZ);
6672 sc->rxon->filter = htole32(IWN_FILTER_MULTICAST);
6673 switch (ic->ic_opmode) {
6674 case IEEE80211_M_STA:
6675 sc->rxon->mode = IWN_MODE_STA;
6677 case IEEE80211_M_MONITOR:
6678 sc->rxon->mode = IWN_MODE_MONITOR;
6681 /* Should not get there. */
6684 iwn_set_promisc(sc);
6685 sc->rxon->cck_mask = 0x0f; /* not yet negotiated */
6686 sc->rxon->ofdm_mask = 0xff; /* not yet negotiated */
6687 sc->rxon->ht_single_mask = 0xff;
6688 sc->rxon->ht_dual_mask = 0xff;
6689 sc->rxon->ht_triple_mask = 0xff;
6691 * In active association mode, ensure that
6692 * all the receive chains are enabled.
6694 * Since we're not yet doing SMPS, don't allow the
6695 * number of idle RX chains to be less than the active
6699 IWN_RXCHAIN_VALID(sc->rxchainmask) |
6700 IWN_RXCHAIN_MIMO_COUNT(sc->nrxchains) |
6701 IWN_RXCHAIN_IDLE_COUNT(sc->nrxchains);
6702 sc->rxon->rxchain = htole16(rxchain);
6703 DPRINTF(sc, IWN_DEBUG_RESET | IWN_DEBUG_XMIT,
6704 "%s: rxchainmask=0x%x, nrxchains=%d\n",
6709 sc->rxon->flags |= htole32(iwn_get_rxon_ht_flags(sc, ic->ic_curchan));
6711 DPRINTF(sc, IWN_DEBUG_RESET,
6712 "%s: setting configuration; flags=0x%08x\n",
6713 __func__, le32toh(sc->rxon->flags));
6714 if ((error = iwn_send_rxon(sc, 0, 0)) != 0) {
6715 device_printf(sc->sc_dev, "%s: could not send RXON\n",
6720 if ((error = iwn_set_critical_temp(sc)) != 0) {
6721 device_printf(sc->sc_dev,
6722 "%s: could not set critical temperature\n", __func__);
6726 /* Set power saving level to CAM during initialization. */
6727 if ((error = iwn_set_pslevel(sc, 0, 0, 0)) != 0) {
6728 device_printf(sc->sc_dev,
6729 "%s: could not set power saving level\n", __func__);
6733 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
6739 iwn_get_active_dwell_time(struct iwn_softc *sc,
6740 struct ieee80211_channel *c, uint8_t n_probes)
6742 /* No channel? Default to 2GHz settings */
6743 if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) {
6744 return (IWN_ACTIVE_DWELL_TIME_2GHZ +
6745 IWN_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1));
6748 /* 5GHz dwell time */
6749 return (IWN_ACTIVE_DWELL_TIME_5GHZ +
6750 IWN_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1));
6754 * Limit the total dwell time to 85% of the beacon interval.
6756 * Returns the dwell time in milliseconds.
6759 iwn_limit_dwell(struct iwn_softc *sc, uint16_t dwell_time)
6761 struct ieee80211com *ic = &sc->sc_ic;
6762 struct ieee80211vap *vap = NULL;
6765 /* bintval is in TU (1.024mS) */
6766 if (! TAILQ_EMPTY(&ic->ic_vaps)) {
6767 vap = TAILQ_FIRST(&ic->ic_vaps);
6768 bintval = vap->iv_bss->ni_intval;
6772 * If it's non-zero, we should calculate the minimum of
6773 * it and the DWELL_BASE.
6775 * XXX Yes, the math should take into account that bintval
6776 * is 1.024mS, not 1mS..
6779 DPRINTF(sc, IWN_DEBUG_SCAN,
6783 return (MIN(IWN_PASSIVE_DWELL_BASE, ((bintval * 85) / 100)));
6786 /* No association context? Default */
6787 return (IWN_PASSIVE_DWELL_BASE);
6791 iwn_get_passive_dwell_time(struct iwn_softc *sc, struct ieee80211_channel *c)
6795 if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) {
6796 passive = IWN_PASSIVE_DWELL_BASE + IWN_PASSIVE_DWELL_TIME_2GHZ;
6798 passive = IWN_PASSIVE_DWELL_BASE + IWN_PASSIVE_DWELL_TIME_5GHZ;
6801 /* Clamp to the beacon interval if we're associated */
6802 return (iwn_limit_dwell(sc, passive));
6806 iwn_scan(struct iwn_softc *sc, struct ieee80211vap *vap,
6807 struct ieee80211_scan_state *ss, struct ieee80211_channel *c)
6809 struct ieee80211com *ic = &sc->sc_ic;
6810 struct ieee80211_node *ni = vap->iv_bss;
6811 struct iwn_scan_hdr *hdr;
6812 struct iwn_cmd_data *tx;
6813 struct iwn_scan_essid *essid;
6814 struct iwn_scan_chan *chan;
6815 struct ieee80211_frame *wh;
6816 struct ieee80211_rateset *rs;
6822 uint16_t dwell_active, dwell_passive;
6823 uint32_t extra, scan_service_time;
6825 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
6828 * We are absolutely not allowed to send a scan command when another
6829 * scan command is pending.
6831 if (sc->sc_is_scanning) {
6832 device_printf(sc->sc_dev, "%s: called whilst scanning!\n",
6837 /* Assign the scan channel */
6840 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
6841 buf = malloc(IWN_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO);
6843 device_printf(sc->sc_dev,
6844 "%s: could not allocate buffer for scan command\n",
6848 hdr = (struct iwn_scan_hdr *)buf;
6850 * Move to the next channel if no frames are received within 10ms
6851 * after sending the probe request.
6853 hdr->quiet_time = htole16(10); /* timeout in milliseconds */
6854 hdr->quiet_threshold = htole16(1); /* min # of packets */
6856 * Max needs to be greater than active and passive and quiet!
6857 * It's also in microseconds!
6859 hdr->max_svc = htole32(250 * 1024);
6862 * Reset scan: interval=100
6863 * Normal scan: interval=becaon interval
6864 * suspend_time: 100 (TU)
6867 extra = (100 /* suspend_time */ / 100 /* beacon interval */) << 22;
6868 //scan_service_time = extra | ((100 /* susp */ % 100 /* int */) * 1024);
6869 scan_service_time = (4 << 22) | (100 * 1024); /* Hardcode for now! */
6870 hdr->pause_svc = htole32(scan_service_time);
6872 /* Select antennas for scanning. */
6874 IWN_RXCHAIN_VALID(sc->rxchainmask) |
6875 IWN_RXCHAIN_FORCE_MIMO_SEL(sc->rxchainmask) |
6876 IWN_RXCHAIN_DRIVER_FORCE;
6877 if (IEEE80211_IS_CHAN_A(c) &&
6878 sc->hw_type == IWN_HW_REV_TYPE_4965) {
6879 /* Ant A must be avoided in 5GHz because of an HW bug. */
6880 rxchain |= IWN_RXCHAIN_FORCE_SEL(IWN_ANT_B);
6881 } else /* Use all available RX antennas. */
6882 rxchain |= IWN_RXCHAIN_FORCE_SEL(sc->rxchainmask);
6883 hdr->rxchain = htole16(rxchain);
6884 hdr->filter = htole32(IWN_FILTER_MULTICAST | IWN_FILTER_BEACON);
6886 tx = (struct iwn_cmd_data *)(hdr + 1);
6887 tx->flags = htole32(IWN_TX_AUTO_SEQ);
6888 tx->id = sc->broadcast_id;
6889 tx->lifetime = htole32(IWN_LIFETIME_INFINITE);
6891 if (IEEE80211_IS_CHAN_5GHZ(c)) {
6892 /* Send probe requests at 6Mbps. */
6893 tx->rate = htole32(0xd);
6894 rs = &ic->ic_sup_rates[IEEE80211_MODE_11A];
6896 hdr->flags = htole32(IWN_RXON_24GHZ | IWN_RXON_AUTO);
6897 if (sc->hw_type == IWN_HW_REV_TYPE_4965 &&
6898 sc->rxon->associd && sc->rxon->chan > 14)
6899 tx->rate = htole32(0xd);
6901 /* Send probe requests at 1Mbps. */
6902 tx->rate = htole32(10 | IWN_RFLAG_CCK);
6904 rs = &ic->ic_sup_rates[IEEE80211_MODE_11G];
6906 /* Use the first valid TX antenna. */
6907 txant = IWN_LSB(sc->txchainmask);
6908 tx->rate |= htole32(IWN_RFLAG_ANT(txant));
6911 * Only do active scanning if we're announcing a probe request
6912 * for a given SSID (or more, if we ever add it to the driver.)
6917 * If we're scanning for a specific SSID, add it to the command.
6919 * XXX maybe look at adding support for scanning multiple SSIDs?
6921 essid = (struct iwn_scan_essid *)(tx + 1);
6923 if (ss->ss_ssid[0].len != 0) {
6924 essid[0].id = IEEE80211_ELEMID_SSID;
6925 essid[0].len = ss->ss_ssid[0].len;
6926 memcpy(essid[0].data, ss->ss_ssid[0].ssid, ss->ss_ssid[0].len);
6929 DPRINTF(sc, IWN_DEBUG_SCAN, "%s: ssid_len=%d, ssid=%*s\n",
6933 ss->ss_ssid[0].ssid);
6935 if (ss->ss_nssid > 0)
6940 * Build a probe request frame. Most of the following code is a
6941 * copy & paste of what is done in net80211.
6943 wh = (struct ieee80211_frame *)(essid + 20);
6944 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
6945 IEEE80211_FC0_SUBTYPE_PROBE_REQ;
6946 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
6947 IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_ifp->if_broadcastaddr);
6948 IEEE80211_ADDR_COPY(wh->i_addr2, IF_LLADDR(vap->iv_ifp));
6949 IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_ifp->if_broadcastaddr);
6950 *(uint16_t *)&wh->i_dur[0] = 0; /* filled by HW */
6951 *(uint16_t *)&wh->i_seq[0] = 0; /* filled by HW */
6953 frm = (uint8_t *)(wh + 1);
6954 frm = ieee80211_add_ssid(frm, NULL, 0);
6955 frm = ieee80211_add_rates(frm, rs);
6956 if (rs->rs_nrates > IEEE80211_RATE_SIZE)
6957 frm = ieee80211_add_xrates(frm, rs);
6958 if (ic->ic_htcaps & IEEE80211_HTC_HT)
6959 frm = ieee80211_add_htcap(frm, ni);
6961 /* Set length of probe request. */
6962 tx->len = htole16(frm - (uint8_t *)wh);
6965 * If active scanning is requested but a certain channel is
6966 * marked passive, we can do active scanning if we detect
6969 * There is an issue with some firmware versions that triggers
6970 * a sysassert on a "good CRC threshold" of zero (== disabled),
6971 * on a radar channel even though this means that we should NOT
6974 * The "good CRC threshold" is the number of frames that we
6975 * need to receive during our dwell time on a channel before
6976 * sending out probes -- setting this to a huge value will
6977 * mean we never reach it, but at the same time work around
6978 * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
6979 * here instead of IWL_GOOD_CRC_TH_DISABLED.
6981 * This was fixed in later versions along with some other
6982 * scan changes, and the threshold behaves as a flag in those
6987 * If we're doing active scanning, set the crc_threshold
6988 * to a suitable value. This is different to active veruss
6989 * passive scanning depending upon the channel flags; the
6990 * firmware will obey that particular check for us.
6992 if (sc->tlv_feature_flags & IWN_UCODE_TLV_FLAGS_NEWSCAN)
6993 hdr->crc_threshold = is_active ?
6994 IWN_GOOD_CRC_TH_DEFAULT : IWN_GOOD_CRC_TH_DISABLED;
6996 hdr->crc_threshold = is_active ?
6997 IWN_GOOD_CRC_TH_DEFAULT : IWN_GOOD_CRC_TH_NEVER;
6999 chan = (struct iwn_scan_chan *)frm;
7000 chan->chan = htole16(ieee80211_chan2ieee(ic, c));
7002 if (ss->ss_nssid > 0)
7003 chan->flags |= htole32(IWN_CHAN_NPBREQS(1));
7004 chan->dsp_gain = 0x6e;
7007 * Set the passive/active flag depending upon the channel mode.
7008 * XXX TODO: take the is_active flag into account as well?
7010 if (c->ic_flags & IEEE80211_CHAN_PASSIVE)
7011 chan->flags |= htole32(IWN_CHAN_PASSIVE);
7013 chan->flags |= htole32(IWN_CHAN_ACTIVE);
7016 * Calculate the active/passive dwell times.
7019 dwell_active = iwn_get_active_dwell_time(sc, c, ss->ss_nssid);
7020 dwell_passive = iwn_get_passive_dwell_time(sc, c);
7022 /* Make sure they're valid */
7023 if (dwell_passive <= dwell_active)
7024 dwell_passive = dwell_active + 1;
7026 chan->active = htole16(dwell_active);
7027 chan->passive = htole16(dwell_passive);
7029 if (IEEE80211_IS_CHAN_5GHZ(c))
7030 chan->rf_gain = 0x3b;
7032 chan->rf_gain = 0x28;
7034 DPRINTF(sc, IWN_DEBUG_STATE,
7035 "%s: chan %u flags 0x%x rf_gain 0x%x "
7036 "dsp_gain 0x%x active %d passive %d scan_svc_time %d crc 0x%x "
7037 "isactive=%d numssid=%d\n", __func__,
7038 chan->chan, chan->flags, chan->rf_gain, chan->dsp_gain,
7039 dwell_active, dwell_passive, scan_service_time,
7040 hdr->crc_threshold, is_active, ss->ss_nssid);
7044 buflen = (uint8_t *)chan - buf;
7045 hdr->len = htole16(buflen);
7047 if (sc->sc_is_scanning) {
7048 device_printf(sc->sc_dev,
7049 "%s: called with is_scanning set!\n",
7052 sc->sc_is_scanning = 1;
7054 DPRINTF(sc, IWN_DEBUG_STATE, "sending scan command nchan=%d\n",
7056 error = iwn_cmd(sc, IWN_CMD_SCAN, buf, buflen, 1);
7057 free(buf, M_DEVBUF);
7059 callout_reset(&sc->scan_timeout, 5*hz, iwn_scan_timeout, sc);
7061 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
7067 iwn_auth(struct iwn_softc *sc, struct ieee80211vap *vap)
7069 struct ieee80211com *ic = &sc->sc_ic;
7070 struct ieee80211_node *ni = vap->iv_bss;
7073 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
7075 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
7076 /* Update adapter configuration. */
7077 IEEE80211_ADDR_COPY(sc->rxon->bssid, ni->ni_bssid);
7078 sc->rxon->chan = ieee80211_chan2ieee(ic, ni->ni_chan);
7079 sc->rxon->flags = htole32(IWN_RXON_TSF | IWN_RXON_CTS_TO_SELF);
7080 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
7081 sc->rxon->flags |= htole32(IWN_RXON_AUTO | IWN_RXON_24GHZ);
7082 if (ic->ic_flags & IEEE80211_F_SHSLOT)
7083 sc->rxon->flags |= htole32(IWN_RXON_SHSLOT);
7084 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
7085 sc->rxon->flags |= htole32(IWN_RXON_SHPREAMBLE);
7086 if (IEEE80211_IS_CHAN_A(ni->ni_chan)) {
7087 sc->rxon->cck_mask = 0;
7088 sc->rxon->ofdm_mask = 0x15;
7089 } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) {
7090 sc->rxon->cck_mask = 0x03;
7091 sc->rxon->ofdm_mask = 0;
7093 /* Assume 802.11b/g. */
7094 sc->rxon->cck_mask = 0x03;
7095 sc->rxon->ofdm_mask = 0x15;
7099 sc->rxon->flags |= htole32(iwn_get_rxon_ht_flags(sc, ic->ic_curchan));
7101 DPRINTF(sc, IWN_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n",
7102 sc->rxon->chan, sc->rxon->flags, sc->rxon->cck_mask,
7103 sc->rxon->ofdm_mask);
7105 if ((error = iwn_send_rxon(sc, 0, 1)) != 0) {
7106 device_printf(sc->sc_dev, "%s: could not send RXON\n",
7111 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
7117 iwn_run(struct iwn_softc *sc, struct ieee80211vap *vap)
7119 struct iwn_ops *ops = &sc->ops;
7120 struct ieee80211com *ic = &sc->sc_ic;
7121 struct ieee80211_node *ni = vap->iv_bss;
7122 struct iwn_node_info node;
7125 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
7127 sc->rxon = &sc->rx_on[IWN_RXON_BSS_CTX];
7128 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
7129 /* Link LED blinks while monitoring. */
7130 iwn_set_led(sc, IWN_LED_LINK, 5, 5);
7133 if ((error = iwn_set_timing(sc, ni)) != 0) {
7134 device_printf(sc->sc_dev,
7135 "%s: could not set timing, error %d\n", __func__, error);
7139 /* Update adapter configuration. */
7140 IEEE80211_ADDR_COPY(sc->rxon->bssid, ni->ni_bssid);
7141 sc->rxon->associd = htole16(IEEE80211_AID(ni->ni_associd));
7142 sc->rxon->chan = ieee80211_chan2ieee(ic, ni->ni_chan);
7143 sc->rxon->flags = htole32(IWN_RXON_TSF | IWN_RXON_CTS_TO_SELF);
7144 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
7145 sc->rxon->flags |= htole32(IWN_RXON_AUTO | IWN_RXON_24GHZ);
7146 if (ic->ic_flags & IEEE80211_F_SHSLOT)
7147 sc->rxon->flags |= htole32(IWN_RXON_SHSLOT);
7148 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
7149 sc->rxon->flags |= htole32(IWN_RXON_SHPREAMBLE);
7150 if (IEEE80211_IS_CHAN_A(ni->ni_chan)) {
7151 sc->rxon->cck_mask = 0;
7152 sc->rxon->ofdm_mask = 0x15;
7153 } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) {
7154 sc->rxon->cck_mask = 0x03;
7155 sc->rxon->ofdm_mask = 0;
7157 /* Assume 802.11b/g. */
7158 sc->rxon->cck_mask = 0x0f;
7159 sc->rxon->ofdm_mask = 0x15;
7162 sc->rxon->flags |= htole32(iwn_get_rxon_ht_flags(sc, ni->ni_chan));
7163 sc->rxon->filter |= htole32(IWN_FILTER_BSS);
7164 DPRINTF(sc, IWN_DEBUG_STATE, "rxon chan %d flags %x, curhtprotmode=%d\n",
7165 sc->rxon->chan, le32toh(sc->rxon->flags), ic->ic_curhtprotmode);
7167 if ((error = iwn_send_rxon(sc, 0, 1)) != 0) {
7168 device_printf(sc->sc_dev, "%s: could not send RXON\n",
7173 /* Fake a join to initialize the TX rate. */
7174 ((struct iwn_node *)ni)->id = IWN_ID_BSS;
7175 iwn_newassoc(ni, 1);
7178 memset(&node, 0, sizeof node);
7179 IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr);
7180 node.id = IWN_ID_BSS;
7181 if (IEEE80211_IS_CHAN_HT(ni->ni_chan)) {
7182 switch (ni->ni_htcap & IEEE80211_HTCAP_SMPS) {
7183 case IEEE80211_HTCAP_SMPS_ENA:
7184 node.htflags |= htole32(IWN_SMPS_MIMO_DIS);
7186 case IEEE80211_HTCAP_SMPS_DYNAMIC:
7187 node.htflags |= htole32(IWN_SMPS_MIMO_PROT);
7190 node.htflags |= htole32(IWN_AMDPU_SIZE_FACTOR(3) |
7191 IWN_AMDPU_DENSITY(5)); /* 4us */
7192 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan))
7193 node.htflags |= htole32(IWN_NODE_HT40);
7195 DPRINTF(sc, IWN_DEBUG_STATE, "%s: adding BSS node\n", __func__);
7196 error = ops->add_node(sc, &node, 1);
7198 device_printf(sc->sc_dev,
7199 "%s: could not add BSS node, error %d\n", __func__, error);
7202 DPRINTF(sc, IWN_DEBUG_STATE, "%s: setting link quality for node %d\n",
7204 if ((error = iwn_set_link_quality(sc, ni)) != 0) {
7205 device_printf(sc->sc_dev,
7206 "%s: could not setup link quality for node %d, error %d\n",
7207 __func__, node.id, error);
7211 if ((error = iwn_init_sensitivity(sc)) != 0) {
7212 device_printf(sc->sc_dev,
7213 "%s: could not set sensitivity, error %d\n", __func__,
7217 /* Start periodic calibration timer. */
7218 sc->calib.state = IWN_CALIB_STATE_ASSOC;
7220 callout_reset(&sc->calib_to, msecs_to_ticks(500), iwn_calib_timeout,
7223 /* Link LED always on while associated. */
7224 iwn_set_led(sc, IWN_LED_LINK, 0, 1);
7226 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
7232 * This function is called by upper layer when an ADDBA request is received
7233 * from another STA and before the ADDBA response is sent.
7236 iwn_ampdu_rx_start(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap,
7237 int baparamset, int batimeout, int baseqctl)
7239 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
7240 struct iwn_softc *sc = ni->ni_ic->ic_softc;
7241 struct iwn_ops *ops = &sc->ops;
7242 struct iwn_node *wn = (void *)ni;
7243 struct iwn_node_info node;
7248 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7250 tid = MS(le16toh(baparamset), IEEE80211_BAPS_TID);
7251 ssn = MS(le16toh(baseqctl), IEEE80211_BASEQ_START);
7253 if (wn->id == IWN_ID_UNDEFINED)
7256 memset(&node, 0, sizeof node);
7258 node.control = IWN_NODE_UPDATE;
7259 node.flags = IWN_FLAG_SET_ADDBA;
7260 node.addba_tid = tid;
7261 node.addba_ssn = htole16(ssn);
7262 DPRINTF(sc, IWN_DEBUG_RECV, "ADDBA RA=%d TID=%d SSN=%d\n",
7264 error = ops->add_node(sc, &node, 1);
7267 return sc->sc_ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl);
7272 * This function is called by upper layer on teardown of an HT-immediate
7273 * Block Ack agreement (eg. uppon receipt of a DELBA frame).
7276 iwn_ampdu_rx_stop(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap)
7278 struct ieee80211com *ic = ni->ni_ic;
7279 struct iwn_softc *sc = ic->ic_softc;
7280 struct iwn_ops *ops = &sc->ops;
7281 struct iwn_node *wn = (void *)ni;
7282 struct iwn_node_info node;
7285 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7287 if (wn->id == IWN_ID_UNDEFINED)
7290 /* XXX: tid as an argument */
7291 for (tid = 0; tid < WME_NUM_TID; tid++) {
7292 if (&ni->ni_rx_ampdu[tid] == rap)
7296 memset(&node, 0, sizeof node);
7298 node.control = IWN_NODE_UPDATE;
7299 node.flags = IWN_FLAG_SET_DELBA;
7300 node.delba_tid = tid;
7301 DPRINTF(sc, IWN_DEBUG_RECV, "DELBA RA=%d TID=%d\n", wn->id, tid);
7302 (void)ops->add_node(sc, &node, 1);
7304 sc->sc_ampdu_rx_stop(ni, rap);
7308 iwn_addba_request(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
7309 int dialogtoken, int baparamset, int batimeout)
7311 struct iwn_softc *sc = ni->ni_ic->ic_softc;
7314 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7316 for (qid = sc->firstaggqueue; qid < sc->ntxqs; qid++) {
7317 if (sc->qid2tap[qid] == NULL)
7320 if (qid == sc->ntxqs) {
7321 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: not free aggregation queue\n",
7325 tap->txa_private = malloc(sizeof(int), M_DEVBUF, M_NOWAIT);
7326 if (tap->txa_private == NULL) {
7327 device_printf(sc->sc_dev,
7328 "%s: failed to alloc TX aggregation structure\n", __func__);
7331 sc->qid2tap[qid] = tap;
7332 *(int *)tap->txa_private = qid;
7333 return sc->sc_addba_request(ni, tap, dialogtoken, baparamset,
7338 iwn_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
7339 int code, int baparamset, int batimeout)
7341 struct iwn_softc *sc = ni->ni_ic->ic_softc;
7342 int qid = *(int *)tap->txa_private;
7343 uint8_t tid = tap->txa_tid;
7346 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7348 if (code == IEEE80211_STATUS_SUCCESS) {
7349 ni->ni_txseqs[tid] = tap->txa_start & 0xfff;
7350 ret = iwn_ampdu_tx_start(ni->ni_ic, ni, tid);
7354 sc->qid2tap[qid] = NULL;
7355 free(tap->txa_private, M_DEVBUF);
7356 tap->txa_private = NULL;
7358 return sc->sc_addba_response(ni, tap, code, baparamset, batimeout);
7362 * This function is called by upper layer when an ADDBA response is received
7366 iwn_ampdu_tx_start(struct ieee80211com *ic, struct ieee80211_node *ni,
7369 struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[tid];
7370 struct iwn_softc *sc = ni->ni_ic->ic_softc;
7371 struct iwn_ops *ops = &sc->ops;
7372 struct iwn_node *wn = (void *)ni;
7373 struct iwn_node_info node;
7376 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7378 if (wn->id == IWN_ID_UNDEFINED)
7381 /* Enable TX for the specified RA/TID. */
7382 wn->disable_tid &= ~(1 << tid);
7383 memset(&node, 0, sizeof node);
7385 node.control = IWN_NODE_UPDATE;
7386 node.flags = IWN_FLAG_SET_DISABLE_TID;
7387 node.disable_tid = htole16(wn->disable_tid);
7388 error = ops->add_node(sc, &node, 1);
7392 if ((error = iwn_nic_lock(sc)) != 0)
7394 qid = *(int *)tap->txa_private;
7395 DPRINTF(sc, IWN_DEBUG_XMIT, "%s: ra=%d tid=%d ssn=%d qid=%d\n",
7396 __func__, wn->id, tid, tap->txa_start, qid);
7397 ops->ampdu_tx_start(sc, ni, qid, tid, tap->txa_start & 0xfff);
7400 iwn_set_link_quality(sc, ni);
7405 iwn_ampdu_tx_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
7407 struct iwn_softc *sc = ni->ni_ic->ic_softc;
7408 struct iwn_ops *ops = &sc->ops;
7409 uint8_t tid = tap->txa_tid;
7412 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7414 sc->sc_addba_stop(ni, tap);
7416 if (tap->txa_private == NULL)
7419 qid = *(int *)tap->txa_private;
7420 if (sc->txq[qid].queued != 0)
7422 if (iwn_nic_lock(sc) != 0)
7424 ops->ampdu_tx_stop(sc, qid, tid, tap->txa_start & 0xfff);
7426 sc->qid2tap[qid] = NULL;
7427 free(tap->txa_private, M_DEVBUF);
7428 tap->txa_private = NULL;
7432 iwn4965_ampdu_tx_start(struct iwn_softc *sc, struct ieee80211_node *ni,
7433 int qid, uint8_t tid, uint16_t ssn)
7435 struct iwn_node *wn = (void *)ni;
7437 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7439 /* Stop TX scheduler while we're changing its configuration. */
7440 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid),
7441 IWN4965_TXQ_STATUS_CHGACT);
7443 /* Assign RA/TID translation to the queue. */
7444 iwn_mem_write_2(sc, sc->sched_base + IWN4965_SCHED_TRANS_TBL(qid),
7447 /* Enable chain-building mode for the queue. */
7448 iwn_prph_setbits(sc, IWN4965_SCHED_QCHAIN_SEL, 1 << qid);
7450 /* Set starting sequence number from the ADDBA request. */
7451 sc->txq[qid].cur = sc->txq[qid].read = (ssn & 0xff);
7452 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | (ssn & 0xff));
7453 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid), ssn);
7455 /* Set scheduler window size. */
7456 iwn_mem_write(sc, sc->sched_base + IWN4965_SCHED_QUEUE_OFFSET(qid),
7458 /* Set scheduler frame limit. */
7459 iwn_mem_write(sc, sc->sched_base + IWN4965_SCHED_QUEUE_OFFSET(qid) + 4,
7460 IWN_SCHED_LIMIT << 16);
7462 /* Enable interrupts for the queue. */
7463 iwn_prph_setbits(sc, IWN4965_SCHED_INTR_MASK, 1 << qid);
7465 /* Mark the queue as active. */
7466 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid),
7467 IWN4965_TXQ_STATUS_ACTIVE | IWN4965_TXQ_STATUS_AGGR_ENA |
7468 iwn_tid2fifo[tid] << 1);
7472 iwn4965_ampdu_tx_stop(struct iwn_softc *sc, int qid, uint8_t tid, uint16_t ssn)
7474 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7476 /* Stop TX scheduler while we're changing its configuration. */
7477 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid),
7478 IWN4965_TXQ_STATUS_CHGACT);
7480 /* Set starting sequence number from the ADDBA request. */
7481 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | (ssn & 0xff));
7482 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid), ssn);
7484 /* Disable interrupts for the queue. */
7485 iwn_prph_clrbits(sc, IWN4965_SCHED_INTR_MASK, 1 << qid);
7487 /* Mark the queue as inactive. */
7488 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid),
7489 IWN4965_TXQ_STATUS_INACTIVE | iwn_tid2fifo[tid] << 1);
7493 iwn5000_ampdu_tx_start(struct iwn_softc *sc, struct ieee80211_node *ni,
7494 int qid, uint8_t tid, uint16_t ssn)
7496 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7498 struct iwn_node *wn = (void *)ni;
7500 /* Stop TX scheduler while we're changing its configuration. */
7501 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7502 IWN5000_TXQ_STATUS_CHGACT);
7504 /* Assign RA/TID translation to the queue. */
7505 iwn_mem_write_2(sc, sc->sched_base + IWN5000_SCHED_TRANS_TBL(qid),
7508 /* Enable chain-building mode for the queue. */
7509 iwn_prph_setbits(sc, IWN5000_SCHED_QCHAIN_SEL, 1 << qid);
7511 /* Enable aggregation for the queue. */
7512 iwn_prph_setbits(sc, IWN5000_SCHED_AGGR_SEL, 1 << qid);
7514 /* Set starting sequence number from the ADDBA request. */
7515 sc->txq[qid].cur = sc->txq[qid].read = (ssn & 0xff);
7516 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | (ssn & 0xff));
7517 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid), ssn);
7519 /* Set scheduler window size and frame limit. */
7520 iwn_mem_write(sc, sc->sched_base + IWN5000_SCHED_QUEUE_OFFSET(qid) + 4,
7521 IWN_SCHED_LIMIT << 16 | IWN_SCHED_WINSZ);
7523 /* Enable interrupts for the queue. */
7524 iwn_prph_setbits(sc, IWN5000_SCHED_INTR_MASK, 1 << qid);
7526 /* Mark the queue as active. */
7527 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7528 IWN5000_TXQ_STATUS_ACTIVE | iwn_tid2fifo[tid]);
7532 iwn5000_ampdu_tx_stop(struct iwn_softc *sc, int qid, uint8_t tid, uint16_t ssn)
7534 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7536 /* Stop TX scheduler while we're changing its configuration. */
7537 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7538 IWN5000_TXQ_STATUS_CHGACT);
7540 /* Disable aggregation for the queue. */
7541 iwn_prph_clrbits(sc, IWN5000_SCHED_AGGR_SEL, 1 << qid);
7543 /* Set starting sequence number from the ADDBA request. */
7544 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | (ssn & 0xff));
7545 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid), ssn);
7547 /* Disable interrupts for the queue. */
7548 iwn_prph_clrbits(sc, IWN5000_SCHED_INTR_MASK, 1 << qid);
7550 /* Mark the queue as inactive. */
7551 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7552 IWN5000_TXQ_STATUS_INACTIVE | iwn_tid2fifo[tid]);
7556 * Query calibration tables from the initialization firmware. We do this
7557 * only once at first boot. Called from a process context.
7560 iwn5000_query_calibration(struct iwn_softc *sc)
7562 struct iwn5000_calib_config cmd;
7565 memset(&cmd, 0, sizeof cmd);
7566 cmd.ucode.once.enable = htole32(0xffffffff);
7567 cmd.ucode.once.start = htole32(0xffffffff);
7568 cmd.ucode.once.send = htole32(0xffffffff);
7569 cmd.ucode.flags = htole32(0xffffffff);
7570 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "%s: sending calibration query\n",
7572 error = iwn_cmd(sc, IWN5000_CMD_CALIB_CONFIG, &cmd, sizeof cmd, 0);
7576 /* Wait at most two seconds for calibration to complete. */
7577 if (!(sc->sc_flags & IWN_FLAG_CALIB_DONE))
7578 error = msleep(sc, &sc->sc_mtx, PCATCH, "iwncal", 2 * hz);
7583 * Send calibration results to the runtime firmware. These results were
7584 * obtained on first boot from the initialization firmware.
7587 iwn5000_send_calibration(struct iwn_softc *sc)
7591 for (idx = 0; idx < IWN5000_PHY_CALIB_MAX_RESULT; idx++) {
7592 if (!(sc->base_params->calib_need & (1<<idx))) {
7593 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
7594 "No need of calib %d\n",
7596 continue; /* no need for this calib */
7598 if (sc->calibcmd[idx].buf == NULL) {
7599 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
7600 "Need calib idx : %d but no available data\n",
7605 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
7606 "send calibration result idx=%d len=%d\n", idx,
7607 sc->calibcmd[idx].len);
7608 error = iwn_cmd(sc, IWN_CMD_PHY_CALIB, sc->calibcmd[idx].buf,
7609 sc->calibcmd[idx].len, 0);
7611 device_printf(sc->sc_dev,
7612 "%s: could not send calibration result, error %d\n",
7621 iwn5000_send_wimax_coex(struct iwn_softc *sc)
7623 struct iwn5000_wimax_coex wimax;
7626 if (sc->hw_type == IWN_HW_REV_TYPE_6050) {
7627 /* Enable WiMAX coexistence for combo adapters. */
7629 IWN_WIMAX_COEX_ASSOC_WA_UNMASK |
7630 IWN_WIMAX_COEX_UNASSOC_WA_UNMASK |
7631 IWN_WIMAX_COEX_STA_TABLE_VALID |
7632 IWN_WIMAX_COEX_ENABLE;
7633 memcpy(wimax.events, iwn6050_wimax_events,
7634 sizeof iwn6050_wimax_events);
7638 /* Disable WiMAX coexistence. */
7640 memset(wimax.events, 0, sizeof wimax.events);
7642 DPRINTF(sc, IWN_DEBUG_RESET, "%s: Configuring WiMAX coexistence\n",
7644 return iwn_cmd(sc, IWN5000_CMD_WIMAX_COEX, &wimax, sizeof wimax, 0);
7648 iwn5000_crystal_calib(struct iwn_softc *sc)
7650 struct iwn5000_phy_calib_crystal cmd;
7652 memset(&cmd, 0, sizeof cmd);
7653 cmd.code = IWN5000_PHY_CALIB_CRYSTAL;
7656 cmd.cap_pin[0] = le32toh(sc->eeprom_crystal) & 0xff;
7657 cmd.cap_pin[1] = (le32toh(sc->eeprom_crystal) >> 16) & 0xff;
7658 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "sending crystal calibration %d, %d\n",
7659 cmd.cap_pin[0], cmd.cap_pin[1]);
7660 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 0);
7664 iwn5000_temp_offset_calib(struct iwn_softc *sc)
7666 struct iwn5000_phy_calib_temp_offset cmd;
7668 memset(&cmd, 0, sizeof cmd);
7669 cmd.code = IWN5000_PHY_CALIB_TEMP_OFFSET;
7672 if (sc->eeprom_temp != 0)
7673 cmd.offset = htole16(sc->eeprom_temp);
7675 cmd.offset = htole16(IWN_DEFAULT_TEMP_OFFSET);
7676 DPRINTF(sc, IWN_DEBUG_CALIBRATE, "setting radio sensor offset to %d\n",
7677 le16toh(cmd.offset));
7678 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 0);
7682 iwn5000_temp_offset_calibv2(struct iwn_softc *sc)
7684 struct iwn5000_phy_calib_temp_offsetv2 cmd;
7686 memset(&cmd, 0, sizeof cmd);
7687 cmd.code = IWN5000_PHY_CALIB_TEMP_OFFSET;
7690 if (sc->eeprom_temp != 0) {
7691 cmd.offset_low = htole16(sc->eeprom_temp);
7692 cmd.offset_high = htole16(sc->eeprom_temp_high);
7694 cmd.offset_low = htole16(IWN_DEFAULT_TEMP_OFFSET);
7695 cmd.offset_high = htole16(IWN_DEFAULT_TEMP_OFFSET);
7697 cmd.burnt_voltage_ref = htole16(sc->eeprom_voltage);
7699 DPRINTF(sc, IWN_DEBUG_CALIBRATE,
7700 "setting radio sensor low offset to %d, high offset to %d, voltage to %d\n",
7701 le16toh(cmd.offset_low),
7702 le16toh(cmd.offset_high),
7703 le16toh(cmd.burnt_voltage_ref));
7705 return iwn_cmd(sc, IWN_CMD_PHY_CALIB, &cmd, sizeof cmd, 0);
7709 * This function is called after the runtime firmware notifies us of its
7710 * readiness (called in a process context).
7713 iwn4965_post_alive(struct iwn_softc *sc)
7717 if ((error = iwn_nic_lock(sc)) != 0)
7720 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7722 /* Clear TX scheduler state in SRAM. */
7723 sc->sched_base = iwn_prph_read(sc, IWN_SCHED_SRAM_ADDR);
7724 iwn_mem_set_region_4(sc, sc->sched_base + IWN4965_SCHED_CTX_OFF, 0,
7725 IWN4965_SCHED_CTX_LEN / sizeof (uint32_t));
7727 /* Set physical address of TX scheduler rings (1KB aligned). */
7728 iwn_prph_write(sc, IWN4965_SCHED_DRAM_ADDR, sc->sched_dma.paddr >> 10);
7730 IWN_SETBITS(sc, IWN_FH_TX_CHICKEN, IWN_FH_TX_CHICKEN_SCHED_RETRY);
7732 /* Disable chain mode for all our 16 queues. */
7733 iwn_prph_write(sc, IWN4965_SCHED_QCHAIN_SEL, 0);
7735 for (qid = 0; qid < IWN4965_NTXQUEUES; qid++) {
7736 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid), 0);
7737 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | 0);
7739 /* Set scheduler window size. */
7740 iwn_mem_write(sc, sc->sched_base +
7741 IWN4965_SCHED_QUEUE_OFFSET(qid), IWN_SCHED_WINSZ);
7742 /* Set scheduler frame limit. */
7743 iwn_mem_write(sc, sc->sched_base +
7744 IWN4965_SCHED_QUEUE_OFFSET(qid) + 4,
7745 IWN_SCHED_LIMIT << 16);
7748 /* Enable interrupts for all our 16 queues. */
7749 iwn_prph_write(sc, IWN4965_SCHED_INTR_MASK, 0xffff);
7750 /* Identify TX FIFO rings (0-7). */
7751 iwn_prph_write(sc, IWN4965_SCHED_TXFACT, 0xff);
7753 /* Mark TX rings (4 EDCA + cmd + 2 HCCA) as active. */
7754 for (qid = 0; qid < 7; qid++) {
7755 static uint8_t qid2fifo[] = { 3, 2, 1, 0, 4, 5, 6 };
7756 iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid),
7757 IWN4965_TXQ_STATUS_ACTIVE | qid2fifo[qid] << 1);
7764 * This function is called after the initialization or runtime firmware
7765 * notifies us of its readiness (called in a process context).
7768 iwn5000_post_alive(struct iwn_softc *sc)
7772 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
7774 /* Switch to using ICT interrupt mode. */
7775 iwn5000_ict_reset(sc);
7777 if ((error = iwn_nic_lock(sc)) != 0){
7778 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s end in error\n", __func__);
7782 /* Clear TX scheduler state in SRAM. */
7783 sc->sched_base = iwn_prph_read(sc, IWN_SCHED_SRAM_ADDR);
7784 iwn_mem_set_region_4(sc, sc->sched_base + IWN5000_SCHED_CTX_OFF, 0,
7785 IWN5000_SCHED_CTX_LEN / sizeof (uint32_t));
7787 /* Set physical address of TX scheduler rings (1KB aligned). */
7788 iwn_prph_write(sc, IWN5000_SCHED_DRAM_ADDR, sc->sched_dma.paddr >> 10);
7790 IWN_SETBITS(sc, IWN_FH_TX_CHICKEN, IWN_FH_TX_CHICKEN_SCHED_RETRY);
7792 /* Enable chain mode for all queues, except command queue. */
7793 if (sc->sc_flags & IWN_FLAG_PAN_SUPPORT)
7794 iwn_prph_write(sc, IWN5000_SCHED_QCHAIN_SEL, 0xfffdf);
7796 iwn_prph_write(sc, IWN5000_SCHED_QCHAIN_SEL, 0xfffef);
7797 iwn_prph_write(sc, IWN5000_SCHED_AGGR_SEL, 0);
7799 for (qid = 0; qid < IWN5000_NTXQUEUES; qid++) {
7800 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid), 0);
7801 IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | 0);
7803 iwn_mem_write(sc, sc->sched_base +
7804 IWN5000_SCHED_QUEUE_OFFSET(qid), 0);
7805 /* Set scheduler window size and frame limit. */
7806 iwn_mem_write(sc, sc->sched_base +
7807 IWN5000_SCHED_QUEUE_OFFSET(qid) + 4,
7808 IWN_SCHED_LIMIT << 16 | IWN_SCHED_WINSZ);
7811 /* Enable interrupts for all our 20 queues. */
7812 iwn_prph_write(sc, IWN5000_SCHED_INTR_MASK, 0xfffff);
7813 /* Identify TX FIFO rings (0-7). */
7814 iwn_prph_write(sc, IWN5000_SCHED_TXFACT, 0xff);
7816 /* Mark TX rings (4 EDCA + cmd + 2 HCCA) as active. */
7817 if (sc->sc_flags & IWN_FLAG_PAN_SUPPORT) {
7818 /* Mark TX rings as active. */
7819 for (qid = 0; qid < 11; qid++) {
7820 static uint8_t qid2fifo[] = { 3, 2, 1, 0, 0, 4, 2, 5, 4, 7, 5 };
7821 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7822 IWN5000_TXQ_STATUS_ACTIVE | qid2fifo[qid]);
7825 /* Mark TX rings (4 EDCA + cmd + 2 HCCA) as active. */
7826 for (qid = 0; qid < 7; qid++) {
7827 static uint8_t qid2fifo[] = { 3, 2, 1, 0, 7, 5, 6 };
7828 iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid),
7829 IWN5000_TXQ_STATUS_ACTIVE | qid2fifo[qid]);
7834 /* Configure WiMAX coexistence for combo adapters. */
7835 error = iwn5000_send_wimax_coex(sc);
7837 device_printf(sc->sc_dev,
7838 "%s: could not configure WiMAX coexistence, error %d\n",
7842 if (sc->hw_type != IWN_HW_REV_TYPE_5150) {
7843 /* Perform crystal calibration. */
7844 error = iwn5000_crystal_calib(sc);
7846 device_printf(sc->sc_dev,
7847 "%s: crystal calibration failed, error %d\n",
7852 if (!(sc->sc_flags & IWN_FLAG_CALIB_DONE)) {
7853 /* Query calibration from the initialization firmware. */
7854 if ((error = iwn5000_query_calibration(sc)) != 0) {
7855 device_printf(sc->sc_dev,
7856 "%s: could not query calibration, error %d\n",
7861 * We have the calibration results now, reboot with the
7862 * runtime firmware (call ourselves recursively!)
7865 error = iwn_hw_init(sc);
7867 /* Send calibration results to runtime firmware. */
7868 error = iwn5000_send_calibration(sc);
7871 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
7877 * The firmware boot code is small and is intended to be copied directly into
7878 * the NIC internal memory (no DMA transfer).
7881 iwn4965_load_bootcode(struct iwn_softc *sc, const uint8_t *ucode, int size)
7885 size /= sizeof (uint32_t);
7887 if ((error = iwn_nic_lock(sc)) != 0)
7890 /* Copy microcode image into NIC memory. */
7891 iwn_prph_write_region_4(sc, IWN_BSM_SRAM_BASE,
7892 (const uint32_t *)ucode, size);
7894 iwn_prph_write(sc, IWN_BSM_WR_MEM_SRC, 0);
7895 iwn_prph_write(sc, IWN_BSM_WR_MEM_DST, IWN_FW_TEXT_BASE);
7896 iwn_prph_write(sc, IWN_BSM_WR_DWCOUNT, size);
7898 /* Start boot load now. */
7899 iwn_prph_write(sc, IWN_BSM_WR_CTRL, IWN_BSM_WR_CTRL_START);
7901 /* Wait for transfer to complete. */
7902 for (ntries = 0; ntries < 1000; ntries++) {
7903 if (!(iwn_prph_read(sc, IWN_BSM_WR_CTRL) &
7904 IWN_BSM_WR_CTRL_START))
7908 if (ntries == 1000) {
7909 device_printf(sc->sc_dev, "%s: could not load boot firmware\n",
7915 /* Enable boot after power up. */
7916 iwn_prph_write(sc, IWN_BSM_WR_CTRL, IWN_BSM_WR_CTRL_START_EN);
7923 iwn4965_load_firmware(struct iwn_softc *sc)
7925 struct iwn_fw_info *fw = &sc->fw;
7926 struct iwn_dma_info *dma = &sc->fw_dma;
7929 /* Copy initialization sections into pre-allocated DMA-safe memory. */
7930 memcpy(dma->vaddr, fw->init.data, fw->init.datasz);
7931 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
7932 memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,
7933 fw->init.text, fw->init.textsz);
7934 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
7936 /* Tell adapter where to find initialization sections. */
7937 if ((error = iwn_nic_lock(sc)) != 0)
7939 iwn_prph_write(sc, IWN_BSM_DRAM_DATA_ADDR, dma->paddr >> 4);
7940 iwn_prph_write(sc, IWN_BSM_DRAM_DATA_SIZE, fw->init.datasz);
7941 iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_ADDR,
7942 (dma->paddr + IWN4965_FW_DATA_MAXSZ) >> 4);
7943 iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_SIZE, fw->init.textsz);
7946 /* Load firmware boot code. */
7947 error = iwn4965_load_bootcode(sc, fw->boot.text, fw->boot.textsz);
7949 device_printf(sc->sc_dev, "%s: could not load boot firmware\n",
7953 /* Now press "execute". */
7954 IWN_WRITE(sc, IWN_RESET, 0);
7956 /* Wait at most one second for first alive notification. */
7957 if ((error = msleep(sc, &sc->sc_mtx, PCATCH, "iwninit", hz)) != 0) {
7958 device_printf(sc->sc_dev,
7959 "%s: timeout waiting for adapter to initialize, error %d\n",
7964 /* Retrieve current temperature for initial TX power calibration. */
7965 sc->rawtemp = sc->ucode_info.temp[3].chan20MHz;
7966 sc->temp = iwn4965_get_temperature(sc);
7968 /* Copy runtime sections into pre-allocated DMA-safe memory. */
7969 memcpy(dma->vaddr, fw->main.data, fw->main.datasz);
7970 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
7971 memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,
7972 fw->main.text, fw->main.textsz);
7973 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
7975 /* Tell adapter where to find runtime sections. */
7976 if ((error = iwn_nic_lock(sc)) != 0)
7978 iwn_prph_write(sc, IWN_BSM_DRAM_DATA_ADDR, dma->paddr >> 4);
7979 iwn_prph_write(sc, IWN_BSM_DRAM_DATA_SIZE, fw->main.datasz);
7980 iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_ADDR,
7981 (dma->paddr + IWN4965_FW_DATA_MAXSZ) >> 4);
7982 iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_SIZE,
7983 IWN_FW_UPDATED | fw->main.textsz);
7990 iwn5000_load_firmware_section(struct iwn_softc *sc, uint32_t dst,
7991 const uint8_t *section, int size)
7993 struct iwn_dma_info *dma = &sc->fw_dma;
7996 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
7998 /* Copy firmware section into pre-allocated DMA-safe memory. */
7999 memcpy(dma->vaddr, section, size);
8000 bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE);
8002 if ((error = iwn_nic_lock(sc)) != 0)
8005 IWN_WRITE(sc, IWN_FH_TX_CONFIG(IWN_SRVC_DMACHNL),
8006 IWN_FH_TX_CONFIG_DMA_PAUSE);
8008 IWN_WRITE(sc, IWN_FH_SRAM_ADDR(IWN_SRVC_DMACHNL), dst);
8009 IWN_WRITE(sc, IWN_FH_TFBD_CTRL0(IWN_SRVC_DMACHNL),
8010 IWN_LOADDR(dma->paddr));
8011 IWN_WRITE(sc, IWN_FH_TFBD_CTRL1(IWN_SRVC_DMACHNL),
8012 IWN_HIADDR(dma->paddr) << 28 | size);
8013 IWN_WRITE(sc, IWN_FH_TXBUF_STATUS(IWN_SRVC_DMACHNL),
8014 IWN_FH_TXBUF_STATUS_TBNUM(1) |
8015 IWN_FH_TXBUF_STATUS_TBIDX(1) |
8016 IWN_FH_TXBUF_STATUS_TFBD_VALID);
8018 /* Kick Flow Handler to start DMA transfer. */
8019 IWN_WRITE(sc, IWN_FH_TX_CONFIG(IWN_SRVC_DMACHNL),
8020 IWN_FH_TX_CONFIG_DMA_ENA | IWN_FH_TX_CONFIG_CIRQ_HOST_ENDTFD);
8024 /* Wait at most five seconds for FH DMA transfer to complete. */
8025 return msleep(sc, &sc->sc_mtx, PCATCH, "iwninit", 5 * hz);
8029 iwn5000_load_firmware(struct iwn_softc *sc)
8031 struct iwn_fw_part *fw;
8034 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8036 /* Load the initialization firmware on first boot only. */
8037 fw = (sc->sc_flags & IWN_FLAG_CALIB_DONE) ?
8038 &sc->fw.main : &sc->fw.init;
8040 error = iwn5000_load_firmware_section(sc, IWN_FW_TEXT_BASE,
8041 fw->text, fw->textsz);
8043 device_printf(sc->sc_dev,
8044 "%s: could not load firmware %s section, error %d\n",
8045 __func__, ".text", error);
8048 error = iwn5000_load_firmware_section(sc, IWN_FW_DATA_BASE,
8049 fw->data, fw->datasz);
8051 device_printf(sc->sc_dev,
8052 "%s: could not load firmware %s section, error %d\n",
8053 __func__, ".data", error);
8057 /* Now press "execute". */
8058 IWN_WRITE(sc, IWN_RESET, 0);
8063 * Extract text and data sections from a legacy firmware image.
8066 iwn_read_firmware_leg(struct iwn_softc *sc, struct iwn_fw_info *fw)
8068 const uint32_t *ptr;
8072 ptr = (const uint32_t *)fw->data;
8073 rev = le32toh(*ptr++);
8075 sc->ucode_rev = rev;
8077 /* Check firmware API version. */
8078 if (IWN_FW_API(rev) <= 1) {
8079 device_printf(sc->sc_dev,
8080 "%s: bad firmware, need API version >=2\n", __func__);
8083 if (IWN_FW_API(rev) >= 3) {
8084 /* Skip build number (version 2 header). */
8088 if (fw->size < hdrlen) {
8089 device_printf(sc->sc_dev, "%s: firmware too short: %zu bytes\n",
8090 __func__, fw->size);
8093 fw->main.textsz = le32toh(*ptr++);
8094 fw->main.datasz = le32toh(*ptr++);
8095 fw->init.textsz = le32toh(*ptr++);
8096 fw->init.datasz = le32toh(*ptr++);
8097 fw->boot.textsz = le32toh(*ptr++);
8099 /* Check that all firmware sections fit. */
8100 if (fw->size < hdrlen + fw->main.textsz + fw->main.datasz +
8101 fw->init.textsz + fw->init.datasz + fw->boot.textsz) {
8102 device_printf(sc->sc_dev, "%s: firmware too short: %zu bytes\n",
8103 __func__, fw->size);
8107 /* Get pointers to firmware sections. */
8108 fw->main.text = (const uint8_t *)ptr;
8109 fw->main.data = fw->main.text + fw->main.textsz;
8110 fw->init.text = fw->main.data + fw->main.datasz;
8111 fw->init.data = fw->init.text + fw->init.textsz;
8112 fw->boot.text = fw->init.data + fw->init.datasz;
8117 * Extract text and data sections from a TLV firmware image.
8120 iwn_read_firmware_tlv(struct iwn_softc *sc, struct iwn_fw_info *fw,
8123 const struct iwn_fw_tlv_hdr *hdr;
8124 const struct iwn_fw_tlv *tlv;
8125 const uint8_t *ptr, *end;
8129 if (fw->size < sizeof (*hdr)) {
8130 device_printf(sc->sc_dev, "%s: firmware too short: %zu bytes\n",
8131 __func__, fw->size);
8134 hdr = (const struct iwn_fw_tlv_hdr *)fw->data;
8135 if (hdr->signature != htole32(IWN_FW_SIGNATURE)) {
8136 device_printf(sc->sc_dev, "%s: bad firmware signature 0x%08x\n",
8137 __func__, le32toh(hdr->signature));
8140 DPRINTF(sc, IWN_DEBUG_RESET, "FW: \"%.64s\", build 0x%x\n", hdr->descr,
8141 le32toh(hdr->build));
8142 sc->ucode_rev = le32toh(hdr->rev);
8145 * Select the closest supported alternative that is less than
8146 * or equal to the specified one.
8148 altmask = le64toh(hdr->altmask);
8149 while (alt > 0 && !(altmask & (1ULL << alt)))
8150 alt--; /* Downgrade. */
8151 DPRINTF(sc, IWN_DEBUG_RESET, "using alternative %d\n", alt);
8153 ptr = (const uint8_t *)(hdr + 1);
8154 end = (const uint8_t *)(fw->data + fw->size);
8156 /* Parse type-length-value fields. */
8157 while (ptr + sizeof (*tlv) <= end) {
8158 tlv = (const struct iwn_fw_tlv *)ptr;
8159 len = le32toh(tlv->len);
8161 ptr += sizeof (*tlv);
8162 if (ptr + len > end) {
8163 device_printf(sc->sc_dev,
8164 "%s: firmware too short: %zu bytes\n", __func__,
8168 /* Skip other alternatives. */
8169 if (tlv->alt != 0 && tlv->alt != htole16(alt))
8172 switch (le16toh(tlv->type)) {
8173 case IWN_FW_TLV_MAIN_TEXT:
8174 fw->main.text = ptr;
8175 fw->main.textsz = len;
8177 case IWN_FW_TLV_MAIN_DATA:
8178 fw->main.data = ptr;
8179 fw->main.datasz = len;
8181 case IWN_FW_TLV_INIT_TEXT:
8182 fw->init.text = ptr;
8183 fw->init.textsz = len;
8185 case IWN_FW_TLV_INIT_DATA:
8186 fw->init.data = ptr;
8187 fw->init.datasz = len;
8189 case IWN_FW_TLV_BOOT_TEXT:
8190 fw->boot.text = ptr;
8191 fw->boot.textsz = len;
8193 case IWN_FW_TLV_ENH_SENS:
8195 sc->sc_flags |= IWN_FLAG_ENH_SENS;
8197 case IWN_FW_TLV_PHY_CALIB:
8198 tmp = le32toh(*ptr);
8200 sc->reset_noise_gain = tmp;
8201 sc->noise_gain = tmp + 1;
8204 case IWN_FW_TLV_PAN:
8205 sc->sc_flags |= IWN_FLAG_PAN_SUPPORT;
8206 DPRINTF(sc, IWN_DEBUG_RESET,
8207 "PAN Support found: %d\n", 1);
8209 case IWN_FW_TLV_FLAGS:
8210 if (len < sizeof(uint32_t))
8212 if (len % sizeof(uint32_t))
8214 sc->tlv_feature_flags = le32toh(*ptr);
8215 DPRINTF(sc, IWN_DEBUG_RESET,
8216 "%s: feature: 0x%08x\n",
8218 sc->tlv_feature_flags);
8220 case IWN_FW_TLV_PBREQ_MAXLEN:
8221 case IWN_FW_TLV_RUNT_EVTLOG_PTR:
8222 case IWN_FW_TLV_RUNT_EVTLOG_SIZE:
8223 case IWN_FW_TLV_RUNT_ERRLOG_PTR:
8224 case IWN_FW_TLV_INIT_EVTLOG_PTR:
8225 case IWN_FW_TLV_INIT_EVTLOG_SIZE:
8226 case IWN_FW_TLV_INIT_ERRLOG_PTR:
8227 case IWN_FW_TLV_WOWLAN_INST:
8228 case IWN_FW_TLV_WOWLAN_DATA:
8229 DPRINTF(sc, IWN_DEBUG_RESET,
8230 "TLV type %d recognized but not handled\n",
8231 le16toh(tlv->type));
8234 DPRINTF(sc, IWN_DEBUG_RESET,
8235 "TLV type %d not handled\n", le16toh(tlv->type));
8238 next: /* TLV fields are 32-bit aligned. */
8239 ptr += (len + 3) & ~3;
8245 iwn_read_firmware(struct iwn_softc *sc)
8247 struct iwn_fw_info *fw = &sc->fw;
8250 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8254 memset(fw, 0, sizeof (*fw));
8256 /* Read firmware image from filesystem. */
8257 sc->fw_fp = firmware_get(sc->fwname);
8258 if (sc->fw_fp == NULL) {
8259 device_printf(sc->sc_dev, "%s: could not read firmware %s\n",
8260 __func__, sc->fwname);
8266 fw->size = sc->fw_fp->datasize;
8267 fw->data = (const uint8_t *)sc->fw_fp->data;
8268 if (fw->size < sizeof (uint32_t)) {
8269 device_printf(sc->sc_dev, "%s: firmware too short: %zu bytes\n",
8270 __func__, fw->size);
8275 /* Retrieve text and data sections. */
8276 if (*(const uint32_t *)fw->data != 0) /* Legacy image. */
8277 error = iwn_read_firmware_leg(sc, fw);
8279 error = iwn_read_firmware_tlv(sc, fw, 1);
8281 device_printf(sc->sc_dev,
8282 "%s: could not read firmware sections, error %d\n",
8287 device_printf(sc->sc_dev, "%s: ucode rev=0x%08x\n", __func__, sc->ucode_rev);
8289 /* Make sure text and data sections fit in hardware memory. */
8290 if (fw->main.textsz > sc->fw_text_maxsz ||
8291 fw->main.datasz > sc->fw_data_maxsz ||
8292 fw->init.textsz > sc->fw_text_maxsz ||
8293 fw->init.datasz > sc->fw_data_maxsz ||
8294 fw->boot.textsz > IWN_FW_BOOT_TEXT_MAXSZ ||
8295 (fw->boot.textsz & 3) != 0) {
8296 device_printf(sc->sc_dev, "%s: firmware sections too large\n",
8302 /* We can proceed with loading the firmware. */
8305 fail: iwn_unload_firmware(sc);
8310 iwn_unload_firmware(struct iwn_softc *sc)
8312 firmware_put(sc->fw_fp, FIRMWARE_UNLOAD);
8317 iwn_clock_wait(struct iwn_softc *sc)
8321 /* Set "initialization complete" bit. */
8322 IWN_SETBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_INIT_DONE);
8324 /* Wait for clock stabilization. */
8325 for (ntries = 0; ntries < 2500; ntries++) {
8326 if (IWN_READ(sc, IWN_GP_CNTRL) & IWN_GP_CNTRL_MAC_CLOCK_READY)
8330 device_printf(sc->sc_dev,
8331 "%s: timeout waiting for clock stabilization\n", __func__);
8336 iwn_apm_init(struct iwn_softc *sc)
8341 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8343 /* Disable L0s exit timer (NMI bug workaround). */
8344 IWN_SETBITS(sc, IWN_GIO_CHICKEN, IWN_GIO_CHICKEN_DIS_L0S_TIMER);
8345 /* Don't wait for ICH L0s (ICH bug workaround). */
8346 IWN_SETBITS(sc, IWN_GIO_CHICKEN, IWN_GIO_CHICKEN_L1A_NO_L0S_RX);
8348 /* Set FH wait threshold to max (HW bug under stress workaround). */
8349 IWN_SETBITS(sc, IWN_DBG_HPET_MEM, 0xffff0000);
8351 /* Enable HAP INTA to move adapter from L1a to L0s. */
8352 IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_HAP_WAKE_L1A);
8354 /* Retrieve PCIe Active State Power Management (ASPM). */
8355 reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + PCIER_LINK_CTL, 4);
8356 /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */
8357 if (reg & PCIEM_LINK_CTL_ASPMC_L1) /* L1 Entry enabled. */
8358 IWN_SETBITS(sc, IWN_GIO, IWN_GIO_L0S_ENA);
8360 IWN_CLRBITS(sc, IWN_GIO, IWN_GIO_L0S_ENA);
8362 if (sc->base_params->pll_cfg_val)
8363 IWN_SETBITS(sc, IWN_ANA_PLL, sc->base_params->pll_cfg_val);
8365 /* Wait for clock stabilization before accessing prph. */
8366 if ((error = iwn_clock_wait(sc)) != 0)
8369 if ((error = iwn_nic_lock(sc)) != 0)
8371 if (sc->hw_type == IWN_HW_REV_TYPE_4965) {
8372 /* Enable DMA and BSM (Bootstrap State Machine). */
8373 iwn_prph_write(sc, IWN_APMG_CLK_EN,
8374 IWN_APMG_CLK_CTRL_DMA_CLK_RQT |
8375 IWN_APMG_CLK_CTRL_BSM_CLK_RQT);
8378 iwn_prph_write(sc, IWN_APMG_CLK_EN,
8379 IWN_APMG_CLK_CTRL_DMA_CLK_RQT);
8382 /* Disable L1-Active. */
8383 iwn_prph_setbits(sc, IWN_APMG_PCI_STT, IWN_APMG_PCI_STT_L1A_DIS);
8390 iwn_apm_stop_master(struct iwn_softc *sc)
8394 /* Stop busmaster DMA activity. */
8395 IWN_SETBITS(sc, IWN_RESET, IWN_RESET_STOP_MASTER);
8396 for (ntries = 0; ntries < 100; ntries++) {
8397 if (IWN_READ(sc, IWN_RESET) & IWN_RESET_MASTER_DISABLED)
8401 device_printf(sc->sc_dev, "%s: timeout waiting for master\n", __func__);
8405 iwn_apm_stop(struct iwn_softc *sc)
8407 iwn_apm_stop_master(sc);
8409 /* Reset the entire device. */
8410 IWN_SETBITS(sc, IWN_RESET, IWN_RESET_SW);
8412 /* Clear "initialization complete" bit. */
8413 IWN_CLRBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_INIT_DONE);
8417 iwn4965_nic_config(struct iwn_softc *sc)
8419 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8421 if (IWN_RFCFG_TYPE(sc->rfcfg) == 1) {
8423 * I don't believe this to be correct but this is what the
8424 * vendor driver is doing. Probably the bits should not be
8425 * shifted in IWN_RFCFG_*.
8427 IWN_SETBITS(sc, IWN_HW_IF_CONFIG,
8428 IWN_RFCFG_TYPE(sc->rfcfg) |
8429 IWN_RFCFG_STEP(sc->rfcfg) |
8430 IWN_RFCFG_DASH(sc->rfcfg));
8432 IWN_SETBITS(sc, IWN_HW_IF_CONFIG,
8433 IWN_HW_IF_CONFIG_RADIO_SI | IWN_HW_IF_CONFIG_MAC_SI);
8438 iwn5000_nic_config(struct iwn_softc *sc)
8443 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8445 if (IWN_RFCFG_TYPE(sc->rfcfg) < 3) {
8446 IWN_SETBITS(sc, IWN_HW_IF_CONFIG,
8447 IWN_RFCFG_TYPE(sc->rfcfg) |
8448 IWN_RFCFG_STEP(sc->rfcfg) |
8449 IWN_RFCFG_DASH(sc->rfcfg));
8451 IWN_SETBITS(sc, IWN_HW_IF_CONFIG,
8452 IWN_HW_IF_CONFIG_RADIO_SI | IWN_HW_IF_CONFIG_MAC_SI);
8454 if ((error = iwn_nic_lock(sc)) != 0)
8456 iwn_prph_setbits(sc, IWN_APMG_PS, IWN_APMG_PS_EARLY_PWROFF_DIS);
8458 if (sc->hw_type == IWN_HW_REV_TYPE_1000) {
8460 * Select first Switching Voltage Regulator (1.32V) to
8461 * solve a stability issue related to noisy DC2DC line
8462 * in the silicon of 1000 Series.
8464 tmp = iwn_prph_read(sc, IWN_APMG_DIGITAL_SVR);
8465 tmp &= ~IWN_APMG_DIGITAL_SVR_VOLTAGE_MASK;
8466 tmp |= IWN_APMG_DIGITAL_SVR_VOLTAGE_1_32;
8467 iwn_prph_write(sc, IWN_APMG_DIGITAL_SVR, tmp);
8471 if (sc->sc_flags & IWN_FLAG_INTERNAL_PA) {
8472 /* Use internal power amplifier only. */
8473 IWN_WRITE(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_RADIO_2X2_IPA);
8475 if (sc->base_params->additional_nic_config && sc->calib_ver >= 6) {
8476 /* Indicate that ROM calibration version is >=6. */
8477 IWN_SETBITS(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_CALIB_VER6);
8479 if (sc->base_params->additional_gp_drv_bit)
8480 IWN_SETBITS(sc, IWN_GP_DRIVER,
8481 sc->base_params->additional_gp_drv_bit);
8486 * Take NIC ownership over Intel Active Management Technology (AMT).
8489 iwn_hw_prepare(struct iwn_softc *sc)
8493 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8495 /* Check if hardware is ready. */
8496 IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_NIC_READY);
8497 for (ntries = 0; ntries < 5; ntries++) {
8498 if (IWN_READ(sc, IWN_HW_IF_CONFIG) &
8499 IWN_HW_IF_CONFIG_NIC_READY)
8504 /* Hardware not ready, force into ready state. */
8505 IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_PREPARE);
8506 for (ntries = 0; ntries < 15000; ntries++) {
8507 if (!(IWN_READ(sc, IWN_HW_IF_CONFIG) &
8508 IWN_HW_IF_CONFIG_PREPARE_DONE))
8512 if (ntries == 15000)
8515 /* Hardware should be ready now. */
8516 IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_NIC_READY);
8517 for (ntries = 0; ntries < 5; ntries++) {
8518 if (IWN_READ(sc, IWN_HW_IF_CONFIG) &
8519 IWN_HW_IF_CONFIG_NIC_READY)
8527 iwn_hw_init(struct iwn_softc *sc)
8529 struct iwn_ops *ops = &sc->ops;
8530 int error, chnl, qid;
8532 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
8534 /* Clear pending interrupts. */
8535 IWN_WRITE(sc, IWN_INT, 0xffffffff);
8537 if ((error = iwn_apm_init(sc)) != 0) {
8538 device_printf(sc->sc_dev,
8539 "%s: could not power ON adapter, error %d\n", __func__,
8544 /* Select VMAIN power source. */
8545 if ((error = iwn_nic_lock(sc)) != 0)
8547 iwn_prph_clrbits(sc, IWN_APMG_PS, IWN_APMG_PS_PWR_SRC_MASK);
8550 /* Perform adapter-specific initialization. */
8551 if ((error = ops->nic_config(sc)) != 0)
8554 /* Initialize RX ring. */
8555 if ((error = iwn_nic_lock(sc)) != 0)
8557 IWN_WRITE(sc, IWN_FH_RX_CONFIG, 0);
8558 IWN_WRITE(sc, IWN_FH_RX_WPTR, 0);
8559 /* Set physical address of RX ring (256-byte aligned). */
8560 IWN_WRITE(sc, IWN_FH_RX_BASE, sc->rxq.desc_dma.paddr >> 8);
8561 /* Set physical address of RX status (16-byte aligned). */
8562 IWN_WRITE(sc, IWN_FH_STATUS_WPTR, sc->rxq.stat_dma.paddr >> 4);
8564 IWN_WRITE(sc, IWN_FH_RX_CONFIG,
8565 IWN_FH_RX_CONFIG_ENA |
8566 IWN_FH_RX_CONFIG_IGN_RXF_EMPTY | /* HW bug workaround */
8567 IWN_FH_RX_CONFIG_IRQ_DST_HOST |
8568 IWN_FH_RX_CONFIG_SINGLE_FRAME |
8569 IWN_FH_RX_CONFIG_RB_TIMEOUT(0) |
8570 IWN_FH_RX_CONFIG_NRBD(IWN_RX_RING_COUNT_LOG));
8572 IWN_WRITE(sc, IWN_FH_RX_WPTR, (IWN_RX_RING_COUNT - 1) & ~7);
8574 if ((error = iwn_nic_lock(sc)) != 0)
8577 /* Initialize TX scheduler. */
8578 iwn_prph_write(sc, sc->sched_txfact_addr, 0);
8580 /* Set physical address of "keep warm" page (16-byte aligned). */
8581 IWN_WRITE(sc, IWN_FH_KW_ADDR, sc->kw_dma.paddr >> 4);
8583 /* Initialize TX rings. */
8584 for (qid = 0; qid < sc->ntxqs; qid++) {
8585 struct iwn_tx_ring *txq = &sc->txq[qid];
8587 /* Set physical address of TX ring (256-byte aligned). */
8588 IWN_WRITE(sc, IWN_FH_CBBC_QUEUE(qid),
8589 txq->desc_dma.paddr >> 8);
8593 /* Enable DMA channels. */
8594 for (chnl = 0; chnl < sc->ndmachnls; chnl++) {
8595 IWN_WRITE(sc, IWN_FH_TX_CONFIG(chnl),
8596 IWN_FH_TX_CONFIG_DMA_ENA |
8597 IWN_FH_TX_CONFIG_DMA_CREDIT_ENA);
8600 /* Clear "radio off" and "commands blocked" bits. */
8601 IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL);
8602 IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_CMD_BLOCKED);
8604 /* Clear pending interrupts. */
8605 IWN_WRITE(sc, IWN_INT, 0xffffffff);
8606 /* Enable interrupt coalescing. */
8607 IWN_WRITE(sc, IWN_INT_COALESCING, 512 / 8);
8608 /* Enable interrupts. */
8609 IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask);
8611 /* _Really_ make sure "radio off" bit is cleared! */
8612 IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL);
8613 IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL);
8615 /* Enable shadow registers. */
8616 if (sc->base_params->shadow_reg_enable)
8617 IWN_SETBITS(sc, IWN_SHADOW_REG_CTRL, 0x800fffff);
8619 if ((error = ops->load_firmware(sc)) != 0) {
8620 device_printf(sc->sc_dev,
8621 "%s: could not load firmware, error %d\n", __func__,
8625 /* Wait at most one second for firmware alive notification. */
8626 if ((error = msleep(sc, &sc->sc_mtx, PCATCH, "iwninit", hz)) != 0) {
8627 device_printf(sc->sc_dev,
8628 "%s: timeout waiting for adapter to initialize, error %d\n",
8632 /* Do post-firmware initialization. */
8634 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
8636 return ops->post_alive(sc);
8640 iwn_hw_stop(struct iwn_softc *sc)
8642 int chnl, qid, ntries;
8644 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8646 IWN_WRITE(sc, IWN_RESET, IWN_RESET_NEVO);
8648 /* Disable interrupts. */
8649 IWN_WRITE(sc, IWN_INT_MASK, 0);
8650 IWN_WRITE(sc, IWN_INT, 0xffffffff);
8651 IWN_WRITE(sc, IWN_FH_INT, 0xffffffff);
8652 sc->sc_flags &= ~IWN_FLAG_USE_ICT;
8654 /* Make sure we no longer hold the NIC lock. */
8657 /* Stop TX scheduler. */
8658 iwn_prph_write(sc, sc->sched_txfact_addr, 0);
8660 /* Stop all DMA channels. */
8661 if (iwn_nic_lock(sc) == 0) {
8662 for (chnl = 0; chnl < sc->ndmachnls; chnl++) {
8663 IWN_WRITE(sc, IWN_FH_TX_CONFIG(chnl), 0);
8664 for (ntries = 0; ntries < 200; ntries++) {
8665 if (IWN_READ(sc, IWN_FH_TX_STATUS) &
8666 IWN_FH_TX_STATUS_IDLE(chnl))
8675 iwn_reset_rx_ring(sc, &sc->rxq);
8677 /* Reset all TX rings. */
8678 for (qid = 0; qid < sc->ntxqs; qid++)
8679 iwn_reset_tx_ring(sc, &sc->txq[qid]);
8681 if (iwn_nic_lock(sc) == 0) {
8682 iwn_prph_write(sc, IWN_APMG_CLK_DIS,
8683 IWN_APMG_CLK_CTRL_DMA_CLK_RQT);
8687 /* Power OFF adapter. */
8692 iwn_panicked(void *arg0, int pending)
8694 struct iwn_softc *sc = arg0;
8695 struct ieee80211com *ic = &sc->sc_ic;
8696 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
8702 printf("%s: null vap\n", __func__);
8706 device_printf(sc->sc_dev, "%s: controller panicked, iv_state = %d; "
8707 "restarting\n", __func__, vap->iv_state);
8710 * This is not enough work. We need to also reinitialise
8711 * the correct transmit state for aggregation enabled queues,
8712 * which has a very specific requirement of
8713 * ring index = 802.11 seqno % 256. If we don't do this (which
8714 * we definitely don't!) then the firmware will just panic again.
8717 ieee80211_restart_all(ic);
8721 iwn_stop_locked(sc);
8722 if ((error = iwn_init_locked(sc)) != 0) {
8723 device_printf(sc->sc_dev,
8724 "%s: could not init hardware\n", __func__);
8727 if (vap->iv_state >= IEEE80211_S_AUTH &&
8728 (error = iwn_auth(sc, vap)) != 0) {
8729 device_printf(sc->sc_dev,
8730 "%s: could not move to auth state\n", __func__);
8732 if (vap->iv_state >= IEEE80211_S_RUN &&
8733 (error = iwn_run(sc, vap)) != 0) {
8734 device_printf(sc->sc_dev,
8735 "%s: could not move to run state\n", __func__);
8744 iwn_init_locked(struct iwn_softc *sc)
8748 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
8750 IWN_LOCK_ASSERT(sc);
8752 if (sc->sc_flags & IWN_FLAG_RUNNING)
8755 sc->sc_flags |= IWN_FLAG_RUNNING;
8757 if ((error = iwn_hw_prepare(sc)) != 0) {
8758 device_printf(sc->sc_dev, "%s: hardware not ready, error %d\n",
8763 /* Initialize interrupt mask to default value. */
8764 sc->int_mask = IWN_INT_MASK_DEF;
8765 sc->sc_flags &= ~IWN_FLAG_USE_ICT;
8767 /* Check that the radio is not disabled by hardware switch. */
8768 if (!(IWN_READ(sc, IWN_GP_CNTRL) & IWN_GP_CNTRL_RFKILL)) {
8769 iwn_stop_locked(sc);
8770 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
8775 /* Read firmware images from the filesystem. */
8776 if ((error = iwn_read_firmware(sc)) != 0) {
8777 device_printf(sc->sc_dev,
8778 "%s: could not read firmware, error %d\n", __func__,
8783 /* Initialize hardware and upload firmware. */
8784 error = iwn_hw_init(sc);
8785 iwn_unload_firmware(sc);
8787 device_printf(sc->sc_dev,
8788 "%s: could not initialize hardware, error %d\n", __func__,
8793 /* Configure adapter now that it is ready. */
8794 if ((error = iwn_config(sc)) != 0) {
8795 device_printf(sc->sc_dev,
8796 "%s: could not configure device, error %d\n", __func__,
8801 callout_reset(&sc->watchdog_to, hz, iwn_watchdog, sc);
8804 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end\n",__func__);
8809 iwn_stop_locked(sc);
8811 DPRINTF(sc, IWN_DEBUG_TRACE, "->%s: end in error\n",__func__);
8817 iwn_init(struct iwn_softc *sc)
8822 error = iwn_init_locked(sc);
8829 iwn_stop_locked(struct iwn_softc *sc)
8832 IWN_LOCK_ASSERT(sc);
8834 if (!(sc->sc_flags & IWN_FLAG_RUNNING))
8837 sc->sc_is_scanning = 0;
8838 sc->sc_tx_timer = 0;
8839 callout_stop(&sc->watchdog_to);
8840 callout_stop(&sc->scan_timeout);
8841 callout_stop(&sc->calib_to);
8842 sc->sc_flags &= ~IWN_FLAG_RUNNING;
8844 /* Power OFF hardware. */
8849 iwn_stop(struct iwn_softc *sc)
8852 iwn_stop_locked(sc);
8857 * Callback from net80211 to start a scan.
8860 iwn_scan_start(struct ieee80211com *ic)
8862 struct iwn_softc *sc = ic->ic_softc;
8865 /* make the link LED blink while we're scanning */
8866 iwn_set_led(sc, IWN_LED_LINK, 20, 2);
8871 * Callback from net80211 to terminate a scan.
8874 iwn_scan_end(struct ieee80211com *ic)
8876 struct iwn_softc *sc = ic->ic_softc;
8877 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
8880 if (vap->iv_state == IEEE80211_S_RUN) {
8881 /* Set link LED to ON status if we are associated */
8882 iwn_set_led(sc, IWN_LED_LINK, 0, 1);
8888 * Callback from net80211 to force a channel change.
8891 iwn_set_channel(struct ieee80211com *ic)
8893 const struct ieee80211_channel *c = ic->ic_curchan;
8894 struct iwn_softc *sc = ic->ic_softc;
8897 DPRINTF(sc, IWN_DEBUG_TRACE, "->Doing %s\n", __func__);
8900 sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq);
8901 sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags);
8902 sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq);
8903 sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags);
8906 * Only need to set the channel in Monitor mode. AP scanning and auth
8907 * are already taken care of by their respective firmware commands.
8909 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
8910 error = iwn_config(sc);
8912 device_printf(sc->sc_dev,
8913 "%s: error %d settting channel\n", __func__, error);
8919 * Callback from net80211 to start scanning of the current channel.
8922 iwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
8924 struct ieee80211vap *vap = ss->ss_vap;
8925 struct ieee80211com *ic = vap->iv_ic;
8926 struct iwn_softc *sc = ic->ic_softc;
8930 error = iwn_scan(sc, vap, ss, ic->ic_curchan);
8933 ieee80211_cancel_scan(vap);
8937 * Callback from net80211 to handle the minimum dwell time being met.
8938 * The intent is to terminate the scan but we just let the firmware
8939 * notify us when it's finished as we have no safe way to abort it.
8942 iwn_scan_mindwell(struct ieee80211_scan_state *ss)
8944 /* NB: don't try to abort scan; wait for firmware to finish */
8947 #define IWN_DESC(x) case x: return #x
8950 * Translate CSR code to string
8952 static char *iwn_get_csr_string(int csr)
8955 IWN_DESC(IWN_HW_IF_CONFIG);
8956 IWN_DESC(IWN_INT_COALESCING);
8958 IWN_DESC(IWN_INT_MASK);
8959 IWN_DESC(IWN_FH_INT);
8960 IWN_DESC(IWN_GPIO_IN);
8961 IWN_DESC(IWN_RESET);
8962 IWN_DESC(IWN_GP_CNTRL);
8963 IWN_DESC(IWN_HW_REV);
8964 IWN_DESC(IWN_EEPROM);
8965 IWN_DESC(IWN_EEPROM_GP);
8966 IWN_DESC(IWN_OTP_GP);
8968 IWN_DESC(IWN_GP_UCODE);
8969 IWN_DESC(IWN_GP_DRIVER);
8970 IWN_DESC(IWN_UCODE_GP1);
8971 IWN_DESC(IWN_UCODE_GP2);
8973 IWN_DESC(IWN_DRAM_INT_TBL);
8974 IWN_DESC(IWN_GIO_CHICKEN);
8975 IWN_DESC(IWN_ANA_PLL);
8976 IWN_DESC(IWN_HW_REV_WA);
8977 IWN_DESC(IWN_DBG_HPET_MEM);
8979 return "UNKNOWN CSR";
8984 * This function print firmware register
8987 iwn_debug_register(struct iwn_softc *sc)
8990 static const uint32_t csr_tbl[] = {
9015 DPRINTF(sc, IWN_DEBUG_REGISTER,
9016 "CSR values: (2nd byte of IWN_INT_COALESCING is IWN_INT_PERIODIC)%s",
9018 for (i = 0; i < nitems(csr_tbl); i++){
9019 DPRINTF(sc, IWN_DEBUG_REGISTER," %10s: 0x%08x ",
9020 iwn_get_csr_string(csr_tbl[i]), IWN_READ(sc, csr_tbl[i]));
9022 DPRINTF(sc, IWN_DEBUG_REGISTER,"%s","\n");
9024 DPRINTF(sc, IWN_DEBUG_REGISTER,"%s","\n");