File: | dev/pci/if_wpi.c |
Warning: | line 250, column 7 Although the value stored to 'error' is used in the enclosing expression, the value is never actually read from 'error' |
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1 | /* $OpenBSD: if_wpi.c,v 1.157 2022/04/21 21:03:03 stsp Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2006-2008 |
5 | * Damien Bergamini <damien.bergamini@free.fr> |
6 | * |
7 | * Permission to use, copy, modify, and distribute this software for any |
8 | * purpose with or without fee is hereby granted, provided that the above |
9 | * copyright notice and this permission notice appear in all copies. |
10 | * |
11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
18 | */ |
19 | |
20 | /* |
21 | * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. |
22 | */ |
23 | |
24 | #include "bpfilter.h" |
25 | |
26 | #include <sys/param.h> |
27 | #include <sys/sockio.h> |
28 | #include <sys/mbuf.h> |
29 | #include <sys/kernel.h> |
30 | #include <sys/rwlock.h> |
31 | #include <sys/socket.h> |
32 | #include <sys/systm.h> |
33 | #include <sys/malloc.h> |
34 | #include <sys/conf.h> |
35 | #include <sys/device.h> |
36 | #include <sys/task.h> |
37 | #include <sys/endian.h> |
38 | |
39 | #include <machine/bus.h> |
40 | #include <machine/intr.h> |
41 | |
42 | #include <dev/pci/pcireg.h> |
43 | #include <dev/pci/pcivar.h> |
44 | #include <dev/pci/pcidevs.h> |
45 | |
46 | #if NBPFILTER1 > 0 |
47 | #include <net/bpf.h> |
48 | #endif |
49 | #include <net/if.h> |
50 | #include <net/if_dl.h> |
51 | #include <net/if_media.h> |
52 | |
53 | #include <netinet/in.h> |
54 | #include <netinet/if_ether.h> |
55 | |
56 | #include <net80211/ieee80211_var.h> |
57 | #include <net80211/ieee80211_amrr.h> |
58 | #include <net80211/ieee80211_radiotap.h> |
59 | |
60 | #include <dev/pci/if_wpireg.h> |
61 | #include <dev/pci/if_wpivar.h> |
62 | |
63 | static const struct pci_matchid wpi_devices[] = { |
64 | { PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_PRO_WL_3945ABG_10x4222 }, |
65 | { PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_PRO_WL_3945ABG_20x4227 } |
66 | }; |
67 | |
68 | int wpi_match(struct device *, void *, void *); |
69 | void wpi_attach(struct device *, struct device *, void *); |
70 | #if NBPFILTER1 > 0 |
71 | void wpi_radiotap_attach(struct wpi_softc *); |
72 | #endif |
73 | int wpi_detach(struct device *, int); |
74 | int wpi_activate(struct device *, int); |
75 | void wpi_wakeup(struct wpi_softc *); |
76 | void wpi_init_task(void *); |
77 | int wpi_nic_lock(struct wpi_softc *); |
78 | int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); |
79 | int wpi_dma_contig_alloc(bus_dma_tag_t, struct wpi_dma_info *, |
80 | void **, bus_size_t, bus_size_t); |
81 | void wpi_dma_contig_free(struct wpi_dma_info *); |
82 | int wpi_alloc_shared(struct wpi_softc *); |
83 | void wpi_free_shared(struct wpi_softc *); |
84 | int wpi_alloc_fwmem(struct wpi_softc *); |
85 | void wpi_free_fwmem(struct wpi_softc *); |
86 | int wpi_alloc_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); |
87 | void wpi_reset_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); |
88 | void wpi_free_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); |
89 | int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, |
90 | int); |
91 | void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); |
92 | void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); |
93 | int wpi_read_eeprom(struct wpi_softc *); |
94 | void wpi_read_eeprom_channels(struct wpi_softc *, int); |
95 | void wpi_read_eeprom_group(struct wpi_softc *, int); |
96 | struct ieee80211_node *wpi_node_alloc(struct ieee80211com *); |
97 | void wpi_newassoc(struct ieee80211com *, struct ieee80211_node *, |
98 | int); |
99 | int wpi_media_change(struct ifnet *); |
100 | int wpi_newstate(struct ieee80211com *, enum ieee80211_state, int); |
101 | void wpi_iter_func(void *, struct ieee80211_node *); |
102 | void wpi_calib_timeout(void *); |
103 | int wpi_ccmp_decap(struct wpi_softc *, struct mbuf *, |
104 | struct ieee80211_key *); |
105 | void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, |
106 | struct wpi_rx_data *, struct mbuf_list *); |
107 | void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); |
108 | void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); |
109 | void wpi_notif_intr(struct wpi_softc *); |
110 | void wpi_fatal_intr(struct wpi_softc *); |
111 | int wpi_intr(void *); |
112 | int wpi_tx(struct wpi_softc *, struct mbuf *, |
113 | struct ieee80211_node *); |
114 | void wpi_start(struct ifnet *); |
115 | void wpi_watchdog(struct ifnet *); |
116 | int wpi_ioctl(struct ifnet *, u_long, caddr_t); |
117 | int wpi_cmd(struct wpi_softc *, int, const void *, int, int); |
118 | int wpi_mrr_setup(struct wpi_softc *); |
119 | void wpi_updateedca(struct ieee80211com *); |
120 | void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); |
121 | int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); |
122 | void wpi_power_calibration(struct wpi_softc *); |
123 | int wpi_set_txpower(struct wpi_softc *, int); |
124 | int wpi_get_power_index(struct wpi_softc *, |
125 | struct wpi_power_group *, struct ieee80211_channel *, int); |
126 | int wpi_set_pslevel(struct wpi_softc *, int, int, int); |
127 | int wpi_config(struct wpi_softc *); |
128 | int wpi_scan(struct wpi_softc *, uint16_t); |
129 | int wpi_auth(struct wpi_softc *); |
130 | int wpi_run(struct wpi_softc *); |
131 | int wpi_set_key(struct ieee80211com *, struct ieee80211_node *, |
132 | struct ieee80211_key *); |
133 | void wpi_delete_key(struct ieee80211com *, struct ieee80211_node *, |
134 | struct ieee80211_key *); |
135 | int wpi_post_alive(struct wpi_softc *); |
136 | int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); |
137 | int wpi_load_firmware(struct wpi_softc *); |
138 | int wpi_read_firmware(struct wpi_softc *); |
139 | int wpi_clock_wait(struct wpi_softc *); |
140 | int wpi_apm_init(struct wpi_softc *); |
141 | void wpi_apm_stop_master(struct wpi_softc *); |
142 | void wpi_apm_stop(struct wpi_softc *); |
143 | void wpi_nic_config(struct wpi_softc *); |
144 | int wpi_hw_init(struct wpi_softc *); |
145 | void wpi_hw_stop(struct wpi_softc *); |
146 | int wpi_init(struct ifnet *); |
147 | void wpi_stop(struct ifnet *, int); |
148 | |
149 | #ifdef WPI_DEBUG |
150 | #define DPRINTF(x) do { if (wpi_debug > 0) printf x; } while (0) |
151 | #define DPRINTFN(n, x) do { if (wpi_debug >= (n)) printf x; } while (0) |
152 | int wpi_debug = 0; |
153 | #else |
154 | #define DPRINTF(x) |
155 | #define DPRINTFN(n, x) |
156 | #endif |
157 | |
158 | struct cfdriver wpi_cd = { |
159 | NULL((void *)0), "wpi", DV_IFNET |
160 | }; |
161 | |
162 | const struct cfattach wpi_ca = { |
163 | sizeof (struct wpi_softc), wpi_match, wpi_attach, wpi_detach, |
164 | wpi_activate |
165 | }; |
166 | |
167 | int |
168 | wpi_match(struct device *parent, void *match, void *aux) |
169 | { |
170 | return pci_matchbyid((struct pci_attach_args *)aux, wpi_devices, |
171 | nitems(wpi_devices)(sizeof((wpi_devices)) / sizeof((wpi_devices)[0]))); |
172 | } |
173 | |
174 | void |
175 | wpi_attach(struct device *parent, struct device *self, void *aux) |
176 | { |
177 | struct wpi_softc *sc = (struct wpi_softc *)self; |
178 | struct ieee80211com *ic = &sc->sc_ic; |
179 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
180 | struct pci_attach_args *pa = aux; |
181 | const char *intrstr; |
182 | pci_intr_handle_t ih; |
183 | pcireg_t memtype, reg; |
184 | int i, error; |
185 | |
186 | sc->sc_pct = pa->pa_pc; |
187 | sc->sc_pcitag = pa->pa_tag; |
188 | sc->sc_dmat = pa->pa_dmat; |
189 | |
190 | /* |
191 | * Get the offset of the PCI Express Capability Structure in PCI |
192 | * Configuration Space (the vendor driver hard-codes it as E0h.) |
193 | */ |
194 | error = pci_get_capability(sc->sc_pct, sc->sc_pcitag, |
195 | PCI_CAP_PCIEXPRESS0x10, &sc->sc_cap_off, NULL((void *)0)); |
196 | if (error == 0) { |
197 | printf(": PCIe capability structure not found!\n"); |
198 | return; |
199 | } |
200 | |
201 | /* Clear device-specific "PCI retry timeout" register (41h). */ |
202 | reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40); |
203 | reg &= ~0xff00; |
204 | pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, reg); |
205 | |
206 | memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, WPI_PCI_BAR00x10); |
207 | error = pci_mapreg_map(pa, WPI_PCI_BAR00x10, memtype, 0, &sc->sc_st, |
208 | &sc->sc_sh, NULL((void *)0), &sc->sc_sz, 0); |
209 | if (error != 0) { |
210 | printf(": can't map mem space\n"); |
211 | return; |
212 | } |
213 | |
214 | /* Install interrupt handler. */ |
215 | if (pci_intr_map_msi(pa, &ih) != 0 && pci_intr_map(pa, &ih) != 0) { |
216 | printf(": can't map interrupt\n"); |
217 | return; |
218 | } |
219 | intrstr = pci_intr_string(sc->sc_pct, ih); |
220 | sc->sc_ih = pci_intr_establish(sc->sc_pct, ih, IPL_NET0x4, wpi_intr, sc, |
221 | sc->sc_dev.dv_xname); |
222 | if (sc->sc_ih == NULL((void *)0)) { |
223 | printf(": can't establish interrupt"); |
224 | if (intrstr != NULL((void *)0)) |
225 | printf(" at %s", intrstr); |
226 | printf("\n"); |
227 | return; |
228 | } |
229 | printf(": %s", intrstr); |
230 | |
231 | /* Power ON adapter. */ |
232 | if ((error = wpi_apm_init(sc)) != 0) { |
233 | printf(": could not power ON adapter\n"); |
234 | return; |
235 | } |
236 | |
237 | /* Read MAC address, channels, etc from EEPROM. */ |
238 | if ((error = wpi_read_eeprom(sc)) != 0) { |
239 | printf(": could not read EEPROM\n"); |
240 | return; |
241 | } |
242 | |
243 | /* Allocate DMA memory for firmware transfers. */ |
244 | if ((error = wpi_alloc_fwmem(sc)) != 0) { |
245 | printf(": could not allocate memory for firmware\n"); |
246 | return; |
247 | } |
248 | |
249 | /* Allocate shared area. */ |
250 | if ((error = wpi_alloc_shared(sc)) != 0) { |
Although the value stored to 'error' is used in the enclosing expression, the value is never actually read from 'error' | |
251 | printf(": could not allocate shared area\n"); |
252 | goto fail1; |
253 | } |
254 | |
255 | /* Allocate TX rings. */ |
256 | for (i = 0; i < WPI_NTXQUEUES8; i++) { |
257 | if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { |
258 | printf(": could not allocate TX ring %d\n", i); |
259 | goto fail2; |
260 | } |
261 | } |
262 | |
263 | /* Allocate RX ring. */ |
264 | if ((error = wpi_alloc_rx_ring(sc, &sc->rxq)) != 0) { |
265 | printf(": could not allocate Rx ring\n"); |
266 | goto fail2; |
267 | } |
268 | |
269 | /* Power OFF adapter. */ |
270 | wpi_apm_stop(sc); |
271 | /* Clear pending interrupts. */ |
272 | WPI_WRITE(sc, WPI_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), (( 0xffffffff)))); |
273 | |
274 | ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ |
275 | ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ |
276 | ic->ic_state = IEEE80211_S_INIT; |
277 | |
278 | /* Set device capabilities. */ |
279 | ic->ic_caps = |
280 | IEEE80211_C_WEP0x00000001 | /* WEP */ |
281 | IEEE80211_C_RSN0x00001000 | /* WPA/RSN */ |
282 | IEEE80211_C_SCANALL0x00000400 | /* device scans all channels at once */ |
283 | IEEE80211_C_SCANALLBAND0x00008000 | /* driver scans all bands at once */ |
284 | IEEE80211_C_MONITOR0x00000200 | /* monitor mode supported */ |
285 | IEEE80211_C_SHSLOT0x00000080 | /* short slot time supported */ |
286 | IEEE80211_C_SHPREAMBLE0x00000100 | /* short preamble supported */ |
287 | IEEE80211_C_PMGT0x00000004; /* power saving supported */ |
288 | |
289 | /* Set supported rates. */ |
290 | ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; |
291 | ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; |
292 | if (sc->sc_flags & WPI_FLAG_HAS_5GHZ(1 << 0)) { |
293 | ic->ic_sup_rates[IEEE80211_MODE_11A] = |
294 | ieee80211_std_rateset_11a; |
295 | } |
296 | |
297 | /* IBSS channel undefined for now. */ |
298 | ic->ic_ibss_chan = &ic->ic_channels[0]; |
299 | |
300 | ifp->if_softc = sc; |
301 | ifp->if_flags = IFF_BROADCAST0x2 | IFF_SIMPLEX0x800 | IFF_MULTICAST0x8000; |
302 | ifp->if_ioctl = wpi_ioctl; |
303 | ifp->if_start = wpi_start; |
304 | ifp->if_watchdog = wpi_watchdog; |
305 | memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ)__builtin_memcpy((ifp->if_xname), (sc->sc_dev.dv_xname) , (16)); |
306 | |
307 | if_attach(ifp); |
308 | ieee80211_ifattach(ifp); |
309 | ic->ic_node_alloc = wpi_node_alloc; |
310 | ic->ic_newassoc = wpi_newassoc; |
311 | ic->ic_updateedca = wpi_updateedca; |
312 | ic->ic_set_key = wpi_set_key; |
313 | ic->ic_delete_key = wpi_delete_key; |
314 | |
315 | /* Override 802.11 state transition machine. */ |
316 | sc->sc_newstate = ic->ic_newstate; |
317 | ic->ic_newstate = wpi_newstate; |
318 | ieee80211_media_init(ifp, wpi_media_change, ieee80211_media_status); |
319 | |
320 | sc->amrr.amrr_min_success_threshold = 1; |
321 | sc->amrr.amrr_max_success_threshold = 15; |
322 | |
323 | #if NBPFILTER1 > 0 |
324 | wpi_radiotap_attach(sc); |
325 | #endif |
326 | timeout_set(&sc->calib_to, wpi_calib_timeout, sc); |
327 | rw_init(&sc->sc_rwlock, "wpilock")_rw_init_flags(&sc->sc_rwlock, "wpilock", 0, ((void *) 0)); |
328 | task_set(&sc->init_task, wpi_init_task, sc); |
329 | return; |
330 | |
331 | /* Free allocated memory if something failed during attachment. */ |
332 | fail2: while (--i >= 0) |
333 | wpi_free_tx_ring(sc, &sc->txq[i]); |
334 | wpi_free_shared(sc); |
335 | fail1: wpi_free_fwmem(sc); |
336 | } |
337 | |
338 | #if NBPFILTER1 > 0 |
339 | /* |
340 | * Attach the interface to 802.11 radiotap. |
341 | */ |
342 | void |
343 | wpi_radiotap_attach(struct wpi_softc *sc) |
344 | { |
345 | bpfattach(&sc->sc_drvbpf, &sc->sc_ic.ic_ific_ac.ac_if, DLT_IEEE802_11_RADIO127, |
346 | sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN64); |
347 | |
348 | sc->sc_rxtap_len = sizeof sc->sc_rxtapu; |
349 | sc->sc_rxtapsc_rxtapu.th.wr_ihdr.it_len = htole16(sc->sc_rxtap_len)((__uint16_t)(sc->sc_rxtap_len)); |
350 | sc->sc_rxtapsc_rxtapu.th.wr_ihdr.it_present = htole32(WPI_RX_RADIOTAP_PRESENT)((__uint32_t)(((1 << IEEE80211_RADIOTAP_TSFT) | (1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE ) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL ) | (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | (1 << IEEE80211_RADIOTAP_ANTENNA)))); |
351 | |
352 | sc->sc_txtap_len = sizeof sc->sc_txtapu; |
353 | sc->sc_txtapsc_txtapu.th.wt_ihdr.it_len = htole16(sc->sc_txtap_len)((__uint16_t)(sc->sc_txtap_len)); |
354 | sc->sc_txtapsc_txtapu.th.wt_ihdr.it_present = htole32(WPI_TX_RADIOTAP_PRESENT)((__uint32_t)(((1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL )))); |
355 | } |
356 | #endif |
357 | |
358 | int |
359 | wpi_detach(struct device *self, int flags) |
360 | { |
361 | struct wpi_softc *sc = (struct wpi_softc *)self; |
362 | struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if; |
363 | int qid; |
364 | |
365 | timeout_del(&sc->calib_to); |
366 | task_del(systq, &sc->init_task); |
367 | |
368 | /* Uninstall interrupt handler. */ |
369 | if (sc->sc_ih != NULL((void *)0)) |
370 | pci_intr_disestablish(sc->sc_pct, sc->sc_ih); |
371 | |
372 | /* Free DMA resources. */ |
373 | wpi_free_rx_ring(sc, &sc->rxq); |
374 | for (qid = 0; qid < WPI_NTXQUEUES8; qid++) |
375 | wpi_free_tx_ring(sc, &sc->txq[qid]); |
376 | wpi_free_shared(sc); |
377 | wpi_free_fwmem(sc); |
378 | |
379 | bus_space_unmap(sc->sc_st, sc->sc_sh, sc->sc_sz); |
380 | |
381 | ieee80211_ifdetach(ifp); |
382 | if_detach(ifp); |
383 | |
384 | return 0; |
385 | } |
386 | |
387 | int |
388 | wpi_activate(struct device *self, int act) |
389 | { |
390 | struct wpi_softc *sc = (struct wpi_softc *)self; |
391 | struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if; |
392 | |
393 | switch (act) { |
394 | case DVACT_SUSPEND3: |
395 | if (ifp->if_flags & IFF_RUNNING0x40) |
396 | wpi_stop(ifp, 0); |
397 | break; |
398 | case DVACT_WAKEUP5: |
399 | wpi_wakeup(sc); |
400 | break; |
401 | } |
402 | |
403 | return 0; |
404 | } |
405 | |
406 | void |
407 | wpi_wakeup(struct wpi_softc *sc) |
408 | { |
409 | pcireg_t reg; |
410 | |
411 | /* Clear device-specific "PCI retry timeout" register (41h). */ |
412 | reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40); |
413 | reg &= ~0xff00; |
414 | pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, reg); |
415 | |
416 | wpi_init_task(sc); |
417 | } |
418 | |
419 | void |
420 | wpi_init_task(void *arg1) |
421 | { |
422 | struct wpi_softc *sc = arg1; |
423 | struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if; |
424 | int s; |
425 | |
426 | rw_enter_write(&sc->sc_rwlock); |
427 | s = splnet()splraise(0x4); |
428 | |
429 | if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) == IFF_UP0x1) |
430 | wpi_init(ifp); |
431 | |
432 | splx(s)spllower(s); |
433 | rw_exit_write(&sc->sc_rwlock); |
434 | } |
435 | |
436 | int |
437 | wpi_nic_lock(struct wpi_softc *sc) |
438 | { |
439 | int ntries; |
440 | |
441 | /* Request exclusive access to NIC. */ |
442 | WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) | ( (1 << 3)))))); |
443 | |
444 | /* Spin until we actually get the lock. */ |
445 | for (ntries = 0; ntries < 1000; ntries++) { |
446 | if ((WPI_READ(sc, WPI_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & |
447 | (WPI_GP_CNTRL_MAC_ACCESS_ENA(1 << 0) | WPI_GP_CNTRL_SLEEP(1 << 4))) == |
448 | WPI_GP_CNTRL_MAC_ACCESS_ENA(1 << 0)) |
449 | return 0; |
450 | DELAY(10)(*delay_func)(10); |
451 | } |
452 | return ETIMEDOUT60; |
453 | } |
454 | |
455 | static __inline void |
456 | wpi_nic_unlock(struct wpi_softc *sc) |
457 | { |
458 | WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & ~((1 << 3)))))); |
459 | } |
460 | |
461 | static __inline uint32_t |
462 | wpi_prph_read(struct wpi_softc *sc, uint32_t addr) |
463 | { |
464 | WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x448)), (( ((sizeof (uint32_t) - 1) << 24) | addr)))); |
465 | WPI_BARRIER_READ_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)-> sc_sz, 0x01 | 0x02); |
466 | return WPI_READ(sc, WPI_PRPH_RDATA)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x450)))); |
467 | } |
468 | |
469 | static __inline void |
470 | wpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) |
471 | { |
472 | WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x444)), (( ((sizeof (uint32_t) - 1) << 24) | addr)))); |
473 | WPI_BARRIER_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)-> sc_sz, 0x02); |
474 | WPI_WRITE(sc, WPI_PRPH_WDATA, data)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x44c)), (( data)))); |
475 | } |
476 | |
477 | static __inline void |
478 | wpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) |
479 | { |
480 | wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); |
481 | } |
482 | |
483 | static __inline void |
484 | wpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) |
485 | { |
486 | wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); |
487 | } |
488 | |
489 | static __inline void |
490 | wpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, |
491 | const uint32_t *data, int count) |
492 | { |
493 | for (; count > 0; count--, data++, addr += 4) |
494 | wpi_prph_write(sc, addr, *data); |
495 | } |
496 | |
497 | #ifdef WPI_DEBUG |
498 | |
499 | static __inline uint32_t |
500 | wpi_mem_read(struct wpi_softc *sc, uint32_t addr) |
501 | { |
502 | WPI_WRITE(sc, WPI_MEM_RADDR, addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x40c)), (( addr)))); |
503 | WPI_BARRIER_READ_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)-> sc_sz, 0x01 | 0x02); |
504 | return WPI_READ(sc, WPI_MEM_RDATA)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x41c)))); |
505 | } |
506 | |
507 | static __inline void |
508 | wpi_mem_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) |
509 | { |
510 | WPI_WRITE(sc, WPI_MEM_WADDR, addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x410)), (( addr)))); |
511 | WPI_BARRIER_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)-> sc_sz, 0x02); |
512 | WPI_WRITE(sc, WPI_MEM_WDATA, data)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x418)), (( data)))); |
513 | } |
514 | |
515 | static __inline void |
516 | wpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, |
517 | int count) |
518 | { |
519 | for (; count > 0; count--, addr += 4) |
520 | *data++ = wpi_mem_read(sc, addr); |
521 | } |
522 | |
523 | #endif |
524 | |
525 | int |
526 | wpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) |
527 | { |
528 | uint8_t *out = data; |
529 | uint32_t val; |
530 | int error, ntries; |
531 | |
532 | if ((error = wpi_nic_lock(sc)) != 0) |
533 | return error; |
534 | |
535 | for (; count > 0; count -= 2, addr++) { |
536 | WPI_WRITE(sc, WPI_EEPROM, addr << 2)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x02c)), (( addr << 2)))); |
537 | WPI_CLRBITS(sc, WPI_EEPROM, WPI_EEPROM_CMD)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x02c)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x02c)))) & ~((1 << 1)))))); |
538 | |
539 | for (ntries = 0; ntries < 10; ntries++) { |
540 | val = WPI_READ(sc, WPI_EEPROM)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x02c)))); |
541 | if (val & WPI_EEPROM_READ_VALID(1 << 0)) |
542 | break; |
543 | DELAY(5)(*delay_func)(5); |
544 | } |
545 | if (ntries == 10) { |
546 | printf("%s: could not read EEPROM\n", |
547 | sc->sc_dev.dv_xname); |
548 | return ETIMEDOUT60; |
549 | } |
550 | *out++ = val >> 16; |
551 | if (count > 1) |
552 | *out++ = val >> 24; |
553 | } |
554 | |
555 | wpi_nic_unlock(sc); |
556 | return 0; |
557 | } |
558 | |
559 | int |
560 | wpi_dma_contig_alloc(bus_dma_tag_t tag, struct wpi_dma_info *dma, void **kvap, |
561 | bus_size_t size, bus_size_t alignment) |
562 | { |
563 | int nsegs, error; |
564 | |
565 | dma->tag = tag; |
566 | dma->size = size; |
567 | |
568 | error = bus_dmamap_create(tag, size, 1, size, 0, BUS_DMA_NOWAIT,(*(tag)->_dmamap_create)((tag), (size), (1), (size), (0), ( 0x0001), (&dma->map)) |
569 | &dma->map)(*(tag)->_dmamap_create)((tag), (size), (1), (size), (0), ( 0x0001), (&dma->map)); |
570 | if (error != 0) |
571 | goto fail; |
572 | |
573 | error = bus_dmamem_alloc(tag, size, alignment, 0, &dma->seg, 1, &nsegs,(*(tag)->_dmamem_alloc)((tag), (size), (alignment), (0), ( &dma->seg), (1), (&nsegs), (0x0001 | 0x1000)) |
574 | BUS_DMA_NOWAIT | BUS_DMA_ZERO)(*(tag)->_dmamem_alloc)((tag), (size), (alignment), (0), ( &dma->seg), (1), (&nsegs), (0x0001 | 0x1000)); |
575 | if (error != 0) |
576 | goto fail; |
577 | |
578 | error = bus_dmamem_map(tag, &dma->seg, 1, size, &dma->vaddr,(*(tag)->_dmamem_map)((tag), (&dma->seg), (1), (size ), (&dma->vaddr), (0x0001 | 0x0004)) |
579 | BUS_DMA_NOWAIT | BUS_DMA_COHERENT)(*(tag)->_dmamem_map)((tag), (&dma->seg), (1), (size ), (&dma->vaddr), (0x0001 | 0x0004)); |
580 | if (error != 0) |
581 | goto fail; |
582 | |
583 | error = bus_dmamap_load_raw(tag, dma->map, &dma->seg, 1, size,(*(tag)->_dmamap_load_raw)((tag), (dma->map), (&dma ->seg), (1), (size), (0x0001)) |
584 | BUS_DMA_NOWAIT)(*(tag)->_dmamap_load_raw)((tag), (dma->map), (&dma ->seg), (1), (size), (0x0001)); |
585 | if (error != 0) |
586 | goto fail; |
587 | |
588 | bus_dmamap_sync(tag, dma->map, 0, size, BUS_DMASYNC_PREWRITE)(*(tag)->_dmamap_sync)((tag), (dma->map), (0), (size), ( 0x04)); |
589 | |
590 | dma->paddr = dma->map->dm_segs[0].ds_addr; |
591 | if (kvap != NULL((void *)0)) |
592 | *kvap = dma->vaddr; |
593 | |
594 | return 0; |
595 | |
596 | fail: wpi_dma_contig_free(dma); |
597 | return error; |
598 | } |
599 | |
600 | void |
601 | wpi_dma_contig_free(struct wpi_dma_info *dma) |
602 | { |
603 | if (dma->map != NULL((void *)0)) { |
604 | if (dma->vaddr != NULL((void *)0)) { |
605 | bus_dmamap_sync(dma->tag, dma->map, 0, dma->size,(*(dma->tag)->_dmamap_sync)((dma->tag), (dma->map ), (0), (dma->size), (0x02 | 0x08)) |
606 | BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE)(*(dma->tag)->_dmamap_sync)((dma->tag), (dma->map ), (0), (dma->size), (0x02 | 0x08)); |
607 | bus_dmamap_unload(dma->tag, dma->map)(*(dma->tag)->_dmamap_unload)((dma->tag), (dma->map )); |
608 | bus_dmamem_unmap(dma->tag, dma->vaddr, dma->size)(*(dma->tag)->_dmamem_unmap)((dma->tag), (dma->vaddr ), (dma->size)); |
609 | bus_dmamem_free(dma->tag, &dma->seg, 1)(*(dma->tag)->_dmamem_free)((dma->tag), (&dma-> seg), (1)); |
610 | dma->vaddr = NULL((void *)0); |
611 | } |
612 | bus_dmamap_destroy(dma->tag, dma->map)(*(dma->tag)->_dmamap_destroy)((dma->tag), (dma-> map)); |
613 | dma->map = NULL((void *)0); |
614 | } |
615 | } |
616 | |
617 | int |
618 | wpi_alloc_shared(struct wpi_softc *sc) |
619 | { |
620 | /* Shared buffer must be aligned on a 4KB boundary. */ |
621 | return wpi_dma_contig_alloc(sc->sc_dmat, &sc->shared_dma, |
622 | (void **)&sc->shared, sizeof (struct wpi_shared), 4096); |
623 | } |
624 | |
625 | void |
626 | wpi_free_shared(struct wpi_softc *sc) |
627 | { |
628 | wpi_dma_contig_free(&sc->shared_dma); |
629 | } |
630 | |
631 | int |
632 | wpi_alloc_fwmem(struct wpi_softc *sc) |
633 | { |
634 | /* Allocate enough contiguous space to store text and data. */ |
635 | return wpi_dma_contig_alloc(sc->sc_dmat, &sc->fw_dma, NULL((void *)0), |
636 | WPI_FW_TEXT_MAXSZ(80 * 1024) + WPI_FW_DATA_MAXSZ(32 * 1024), 16); |
637 | } |
638 | |
639 | void |
640 | wpi_free_fwmem(struct wpi_softc *sc) |
641 | { |
642 | wpi_dma_contig_free(&sc->fw_dma); |
643 | } |
644 | |
645 | int |
646 | wpi_alloc_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) |
647 | { |
648 | bus_size_t size; |
649 | int i, error; |
650 | |
651 | ring->cur = 0; |
652 | |
653 | /* Allocate RX descriptors (16KB aligned.) */ |
654 | size = WPI_RX_RING_COUNT(1 << 6) * sizeof (uint32_t); |
655 | error = wpi_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma, |
656 | (void **)&ring->desc, size, 16 * 1024); |
657 | if (error != 0) { |
658 | printf("%s: could not allocate RX ring DMA memory\n", |
659 | sc->sc_dev.dv_xname); |
660 | goto fail; |
661 | } |
662 | |
663 | /* |
664 | * Allocate and map RX buffers. |
665 | */ |
666 | for (i = 0; i < WPI_RX_RING_COUNT(1 << 6); i++) { |
667 | struct wpi_rx_data *data = &ring->data[i]; |
668 | |
669 | error = bus_dmamap_create(sc->sc_dmat, WPI_RBUF_SIZE, 1,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((3 * 1024)), (1), ((3 * 1024)), (0), (0x0001), (&data->map )) |
670 | WPI_RBUF_SIZE, 0, BUS_DMA_NOWAIT, &data->map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((3 * 1024)), (1), ((3 * 1024)), (0), (0x0001), (&data->map )); |
671 | if (error != 0) { |
672 | printf("%s: could not create RX buf DMA map\n", |
673 | sc->sc_dev.dv_xname); |
674 | goto fail; |
675 | } |
676 | |
677 | data->m = MCLGETL(NULL, M_DONTWAIT, WPI_RBUF_SIZE)m_clget((((void *)0)), (0x0002), ((3 * 1024))); |
678 | if (data->m == NULL((void *)0)) { |
679 | printf("%s: could not allocate RX mbuf\n", |
680 | sc->sc_dev.dv_xname); |
681 | error = ENOBUFS55; |
682 | goto fail; |
683 | } |
684 | |
685 | error = bus_dmamap_load(sc->sc_dmat, data->map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)) |
686 | mtod(data->m, void *), WPI_RBUF_SIZE, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)) |
687 | BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)); |
688 | if (error != 0) { |
689 | printf("%s: can't map mbuf (error %d)\n", |
690 | sc->sc_dev.dv_xname, error); |
691 | goto fail; |
692 | } |
693 | |
694 | /* Set physical address of RX buffer. */ |
695 | ring->desc[i] = htole32(data->map->dm_segs[0].ds_addr)((__uint32_t)(data->map->dm_segs[0].ds_addr)); |
696 | } |
697 | |
698 | bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map, 0, size,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (0), (size), (0x04)) |
699 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (0), (size), (0x04)); |
700 | |
701 | return 0; |
702 | |
703 | fail: wpi_free_rx_ring(sc, ring); |
704 | return error; |
705 | } |
706 | |
707 | void |
708 | wpi_reset_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) |
709 | { |
710 | int ntries; |
711 | |
712 | if (wpi_nic_lock(sc) == 0) { |
713 | WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( 0)))); |
714 | for (ntries = 0; ntries < 100; ntries++) { |
715 | if (WPI_READ(sc, WPI_FH_RX_STATUS)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0xcc4)))) & |
716 | WPI_FH_RX_STATUS_IDLE(1 << 24)) |
717 | break; |
718 | DELAY(10)(*delay_func)(10); |
719 | } |
720 | wpi_nic_unlock(sc); |
721 | } |
722 | ring->cur = 0; |
723 | } |
724 | |
725 | void |
726 | wpi_free_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) |
727 | { |
728 | int i; |
729 | |
730 | wpi_dma_contig_free(&ring->desc_dma); |
731 | |
732 | for (i = 0; i < WPI_RX_RING_COUNT(1 << 6); i++) { |
733 | struct wpi_rx_data *data = &ring->data[i]; |
734 | |
735 | if (data->m != NULL((void *)0)) { |
736 | bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x02)) |
737 | data->map->dm_mapsize, BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x02)); |
738 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
739 | m_freem(data->m); |
740 | } |
741 | if (data->map != NULL((void *)0)) |
742 | bus_dmamap_destroy(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (data ->map)); |
743 | } |
744 | } |
745 | |
746 | int |
747 | wpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) |
748 | { |
749 | bus_addr_t paddr; |
750 | bus_size_t size; |
751 | int i, error; |
752 | |
753 | ring->qid = qid; |
754 | ring->queued = 0; |
755 | ring->cur = 0; |
756 | |
757 | /* Allocate TX descriptors (16KB aligned.) */ |
758 | size = WPI_TX_RING_COUNT256 * sizeof (struct wpi_tx_desc); |
759 | error = wpi_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma, |
760 | (void **)&ring->desc, size, 16 * 1024); |
761 | if (error != 0) { |
762 | printf("%s: could not allocate TX ring DMA memory\n", |
763 | sc->sc_dev.dv_xname); |
764 | goto fail; |
765 | } |
766 | |
767 | /* Update shared area with ring physical address. */ |
768 | sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr)((__uint32_t)(ring->desc_dma.paddr)); |
769 | bus_dmamap_sync(sc->sc_dmat, sc->shared_dma.map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> shared_dma.map), (0), (sizeof (struct wpi_shared)), (0x04)) |
770 | sizeof (struct wpi_shared), BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> shared_dma.map), (0), (sizeof (struct wpi_shared)), (0x04)); |
771 | |
772 | /* |
773 | * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need |
774 | * to allocate commands space for other rings. |
775 | * XXX Do we really need to allocate descriptors for other rings? |
776 | */ |
777 | if (qid > 4) |
778 | return 0; |
779 | |
780 | size = WPI_TX_RING_COUNT256 * sizeof (struct wpi_tx_cmd); |
781 | error = wpi_dma_contig_alloc(sc->sc_dmat, &ring->cmd_dma, |
782 | (void **)&ring->cmd, size, 4); |
783 | if (error != 0) { |
784 | printf("%s: could not allocate TX cmd DMA memory\n", |
785 | sc->sc_dev.dv_xname); |
786 | goto fail; |
787 | } |
788 | |
789 | paddr = ring->cmd_dma.paddr; |
790 | for (i = 0; i < WPI_TX_RING_COUNT256; i++) { |
791 | struct wpi_tx_data *data = &ring->data[i]; |
792 | |
793 | data->cmd_paddr = paddr; |
794 | paddr += sizeof (struct wpi_tx_cmd); |
795 | |
796 | error = bus_dmamap_create(sc->sc_dmat, MCLBYTES,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 << 11)), (4 - 1), ((1 << 11)), (0), (0x0001), (&data-> map)) |
797 | WPI_MAX_SCATTER - 1, MCLBYTES, 0, BUS_DMA_NOWAIT,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 << 11)), (4 - 1), ((1 << 11)), (0), (0x0001), (&data-> map)) |
798 | &data->map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 << 11)), (4 - 1), ((1 << 11)), (0), (0x0001), (&data-> map)); |
799 | if (error != 0) { |
800 | printf("%s: could not create TX buf DMA map\n", |
801 | sc->sc_dev.dv_xname); |
802 | goto fail; |
803 | } |
804 | } |
805 | return 0; |
806 | |
807 | fail: wpi_free_tx_ring(sc, ring); |
808 | return error; |
809 | } |
810 | |
811 | void |
812 | wpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) |
813 | { |
814 | int i; |
815 | |
816 | for (i = 0; i < WPI_TX_RING_COUNT256; i++) { |
817 | struct wpi_tx_data *data = &ring->data[i]; |
818 | |
819 | if (data->m != NULL((void *)0)) { |
820 | bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)) |
821 | data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)); |
822 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
823 | m_freem(data->m); |
824 | data->m = NULL((void *)0); |
825 | } |
826 | } |
827 | /* Clear TX descriptors. */ |
828 | memset(ring->desc, 0, ring->desc_dma.size)__builtin_memset((ring->desc), (0), (ring->desc_dma.size )); |
829 | sc->qfullmsk &= ~(1 << ring->qid); |
830 | ring->queued = 0; |
831 | ring->cur = 0; |
832 | } |
833 | |
834 | void |
835 | wpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) |
836 | { |
837 | int i; |
838 | |
839 | wpi_dma_contig_free(&ring->desc_dma); |
840 | wpi_dma_contig_free(&ring->cmd_dma); |
841 | |
842 | for (i = 0; i < WPI_TX_RING_COUNT256; i++) { |
843 | struct wpi_tx_data *data = &ring->data[i]; |
844 | |
845 | if (data->m != NULL((void *)0)) { |
846 | bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)) |
847 | data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)); |
848 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
849 | m_freem(data->m); |
850 | } |
851 | if (data->map != NULL((void *)0)) |
852 | bus_dmamap_destroy(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (data ->map)); |
853 | } |
854 | } |
855 | |
856 | int |
857 | wpi_read_eeprom(struct wpi_softc *sc) |
858 | { |
859 | struct ieee80211com *ic = &sc->sc_ic; |
860 | char domain[4]; |
861 | int i; |
862 | |
863 | if ((WPI_READ(sc, WPI_EEPROM_GP)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x030)))) & 0x6) == 0) { |
864 | printf("%s: bad EEPROM signature\n", sc->sc_dev.dv_xname); |
865 | return EIO5; |
866 | } |
867 | /* Clear HW ownership of EEPROM. */ |
868 | WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x030)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x030)))) & ~(0x00000180))))); |
869 | |
870 | wpi_read_prom_data(sc, WPI_EEPROM_CAPABILITIES0x045, &sc->cap, 1); |
871 | wpi_read_prom_data(sc, WPI_EEPROM_REVISION0x035, &sc->rev, 2); |
872 | wpi_read_prom_data(sc, WPI_EEPROM_TYPE0x04a, &sc->type, 1); |
873 | |
874 | DPRINTF(("cap=%x rev=%x type=%x\n", sc->cap, letoh16(sc->rev), |
875 | sc->type)); |
876 | |
877 | /* Read and print regulatory domain (4 ASCII characters.) */ |
878 | wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN0x060, domain, 4); |
879 | printf(", %.4s", domain); |
880 | |
881 | /* Read and print MAC address. */ |
882 | wpi_read_prom_data(sc, WPI_EEPROM_MAC0x015, ic->ic_myaddr, 6); |
883 | printf(", address %s\n", ether_sprintf(ic->ic_myaddr)); |
884 | |
885 | /* Read the list of authorized channels. */ |
886 | for (i = 0; i < WPI_CHAN_BANDS_COUNT5; i++) |
887 | wpi_read_eeprom_channels(sc, i); |
888 | |
889 | /* Read the list of TX power groups. */ |
890 | for (i = 0; i < WPI_POWER_GROUPS_COUNT5; i++) |
891 | wpi_read_eeprom_group(sc, i); |
892 | |
893 | return 0; |
894 | } |
895 | |
896 | void |
897 | wpi_read_eeprom_channels(struct wpi_softc *sc, int n) |
898 | { |
899 | struct ieee80211com *ic = &sc->sc_ic; |
900 | const struct wpi_chan_band *band = &wpi_bands[n]; |
901 | struct wpi_eeprom_chan channels[WPI_MAX_CHAN_PER_BAND14]; |
902 | int chan, i; |
903 | |
904 | wpi_read_prom_data(sc, band->addr, channels, |
905 | band->nchan * sizeof (struct wpi_eeprom_chan)); |
906 | |
907 | for (i = 0; i < band->nchan; i++) { |
908 | if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID(1 << 0))) |
909 | continue; |
910 | |
911 | chan = band->chan[i]; |
912 | |
913 | if (n == 0) { /* 2GHz band */ |
914 | ic->ic_channels[chan].ic_freq = |
915 | ieee80211_ieee2mhz(chan, IEEE80211_CHAN_2GHZ0x0080); |
916 | ic->ic_channels[chan].ic_flags = |
917 | IEEE80211_CHAN_CCK0x0020 | IEEE80211_CHAN_OFDM0x0040 | |
918 | IEEE80211_CHAN_DYN0x0400 | IEEE80211_CHAN_2GHZ0x0080; |
919 | |
920 | } else { /* 5GHz band */ |
921 | /* |
922 | * Some adapters support channels 7, 8, 11 and 12 |
923 | * both in the 2GHz and 4.9GHz bands. |
924 | * Because of limitations in our net80211 layer, |
925 | * we don't support them in the 4.9GHz band. |
926 | */ |
927 | if (chan <= 14) |
928 | continue; |
929 | |
930 | ic->ic_channels[chan].ic_freq = |
931 | ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ0x0100); |
932 | ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A(0x0100 | 0x0040); |
933 | /* We have at least one valid 5GHz channel. */ |
934 | sc->sc_flags |= WPI_FLAG_HAS_5GHZ(1 << 0); |
935 | } |
936 | |
937 | /* Is active scan allowed on this channel? */ |
938 | if (!(channels[i].flags & WPI_EEPROM_CHAN_ACTIVE(1 << 3))) { |
939 | ic->ic_channels[chan].ic_flags |= |
940 | IEEE80211_CHAN_PASSIVE0x0200; |
941 | } |
942 | |
943 | /* Save maximum allowed TX power for this channel. */ |
944 | sc->maxpwr[chan] = channels[i].maxpwr; |
945 | |
946 | DPRINTF(("adding chan %d flags=0x%x maxpwr=%d\n", |
947 | chan, channels[i].flags, sc->maxpwr[chan])); |
948 | } |
949 | } |
950 | |
951 | void |
952 | wpi_read_eeprom_group(struct wpi_softc *sc, int n) |
953 | { |
954 | struct wpi_power_group *group = &sc->groups[n]; |
955 | struct wpi_eeprom_group rgroup; |
956 | int i; |
957 | |
958 | wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP0x100 + n * 32, &rgroup, |
959 | sizeof rgroup); |
960 | |
961 | /* Save TX power group information. */ |
962 | group->chan = rgroup.chan; |
963 | group->maxpwr = rgroup.maxpwr; |
964 | /* Retrieve temperature at which the samples were taken. */ |
965 | group->temp = (int16_t)letoh16(rgroup.temp)((__uint16_t)(rgroup.temp)); |
966 | |
967 | DPRINTF(("power group %d: chan=%d maxpwr=%d temp=%d\n", n, |
968 | group->chan, group->maxpwr, group->temp)); |
969 | |
970 | for (i = 0; i < WPI_SAMPLES_COUNT5; i++) { |
971 | group->samples[i].index = rgroup.samples[i].index; |
972 | group->samples[i].power = rgroup.samples[i].power; |
973 | |
974 | DPRINTF(("\tsample %d: index=%d power=%d\n", i, |
975 | group->samples[i].index, group->samples[i].power)); |
976 | } |
977 | } |
978 | |
979 | struct ieee80211_node * |
980 | wpi_node_alloc(struct ieee80211com *ic) |
981 | { |
982 | return malloc(sizeof (struct wpi_node), M_DEVBUF2, M_NOWAIT0x0002 | M_ZERO0x0008); |
983 | } |
984 | |
985 | void |
986 | wpi_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew) |
987 | { |
988 | struct wpi_softc *sc = ic->ic_ific_ac.ac_if.if_softc; |
989 | struct wpi_node *wn = (void *)ni; |
990 | uint8_t rate; |
991 | int ridx, i; |
992 | |
993 | ieee80211_amrr_node_init(&sc->amrr, &wn->amn); |
994 | /* Start at lowest available bit-rate, AMRR will raise. */ |
995 | ni->ni_txrate = 0; |
996 | |
997 | for (i = 0; i < ni->ni_rates.rs_nrates; i++) { |
998 | rate = ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL0x7f; |
999 | /* Map 802.11 rate to HW rate index. */ |
1000 | for (ridx = 0; ridx <= WPI_RIDX_MAX11; ridx++) |
1001 | if (wpi_rates[ridx].rate == rate) |
1002 | break; |
1003 | wn->ridx[i] = ridx; |
1004 | } |
1005 | } |
1006 | |
1007 | int |
1008 | wpi_media_change(struct ifnet *ifp) |
1009 | { |
1010 | struct wpi_softc *sc = ifp->if_softc; |
1011 | struct ieee80211com *ic = &sc->sc_ic; |
1012 | uint8_t rate, ridx; |
1013 | int error; |
1014 | |
1015 | error = ieee80211_media_change(ifp); |
1016 | if (error != ENETRESET52) |
1017 | return error; |
1018 | |
1019 | if (ic->ic_fixed_rate != -1) { |
1020 | rate = ic->ic_sup_rates[ic->ic_curmode]. |
1021 | rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL0x7f; |
1022 | /* Map 802.11 rate to HW rate index. */ |
1023 | for (ridx = 0; ridx <= WPI_RIDX_MAX11; ridx++) |
1024 | if (wpi_rates[ridx].rate == rate) |
1025 | break; |
1026 | sc->fixed_ridx = ridx; |
1027 | } |
1028 | |
1029 | if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) == |
1030 | (IFF_UP0x1 | IFF_RUNNING0x40)) { |
1031 | wpi_stop(ifp, 0); |
1032 | error = wpi_init(ifp); |
1033 | } |
1034 | return error; |
1035 | } |
1036 | |
1037 | int |
1038 | wpi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) |
1039 | { |
1040 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1041 | struct wpi_softc *sc = ifp->if_softc; |
1042 | int error; |
1043 | |
1044 | timeout_del(&sc->calib_to); |
1045 | |
1046 | switch (nstate) { |
1047 | case IEEE80211_S_SCAN: |
1048 | /* Make the link LED blink while we're scanning. */ |
1049 | wpi_set_led(sc, WPI_LED_LINK2, 20, 2); |
1050 | |
1051 | if ((error = wpi_scan(sc, IEEE80211_CHAN_2GHZ0x0080)) != 0) { |
1052 | printf("%s: could not initiate scan\n", |
1053 | sc->sc_dev.dv_xname); |
1054 | return error; |
1055 | } |
1056 | if (ifp->if_flags & IFF_DEBUG0x4) |
1057 | printf("%s: %s -> %s\n", ifp->if_xname, |
1058 | ieee80211_state_name[ic->ic_state], |
1059 | ieee80211_state_name[nstate]); |
1060 | ieee80211_set_link_state(ic, LINK_STATE_DOWN2); |
1061 | ieee80211_node_cleanup(ic, ic->ic_bss); |
1062 | ic->ic_state = nstate; |
1063 | return 0; |
1064 | |
1065 | case IEEE80211_S_ASSOC: |
1066 | if (ic->ic_state != IEEE80211_S_RUN) |
1067 | break; |
1068 | /* FALLTHROUGH */ |
1069 | case IEEE80211_S_AUTH: |
1070 | /* Reset state to handle reassociations correctly. */ |
1071 | sc->rxon.associd = 0; |
1072 | sc->rxon.filter &= ~htole32(WPI_FILTER_BSS)((__uint32_t)((1 << 5))); |
1073 | |
1074 | if ((error = wpi_auth(sc)) != 0) { |
1075 | printf("%s: could not move to auth state\n", |
1076 | sc->sc_dev.dv_xname); |
1077 | return error; |
1078 | } |
1079 | break; |
1080 | |
1081 | case IEEE80211_S_RUN: |
1082 | if ((error = wpi_run(sc)) != 0) { |
1083 | printf("%s: could not move to run state\n", |
1084 | sc->sc_dev.dv_xname); |
1085 | return error; |
1086 | } |
1087 | break; |
1088 | |
1089 | case IEEE80211_S_INIT: |
1090 | break; |
1091 | } |
1092 | |
1093 | return sc->sc_newstate(ic, nstate, arg); |
1094 | } |
1095 | |
1096 | void |
1097 | wpi_iter_func(void *arg, struct ieee80211_node *ni) |
1098 | { |
1099 | struct wpi_softc *sc = arg; |
1100 | struct wpi_node *wn = (struct wpi_node *)ni; |
1101 | |
1102 | ieee80211_amrr_choose(&sc->amrr, ni, &wn->amn); |
1103 | } |
1104 | |
1105 | void |
1106 | wpi_calib_timeout(void *arg) |
1107 | { |
1108 | struct wpi_softc *sc = arg; |
1109 | struct ieee80211com *ic = &sc->sc_ic; |
1110 | int s; |
1111 | |
1112 | s = splnet()splraise(0x4); |
1113 | /* Automatic rate control triggered every 500ms. */ |
1114 | if (ic->ic_fixed_rate == -1) { |
1115 | if (ic->ic_opmode == IEEE80211_M_STA) |
1116 | wpi_iter_func(sc, ic->ic_bss); |
1117 | else |
1118 | ieee80211_iterate_nodes(ic, wpi_iter_func, sc); |
1119 | } |
1120 | |
1121 | /* Force automatic TX power calibration every 60 secs. */ |
1122 | if (++sc->calib_cnt >= 120) { |
1123 | wpi_power_calibration(sc); |
1124 | sc->calib_cnt = 0; |
1125 | } |
1126 | splx(s)spllower(s); |
1127 | |
1128 | /* Automatic rate control triggered every 500ms. */ |
1129 | timeout_add_msec(&sc->calib_to, 500); |
1130 | } |
1131 | |
1132 | int |
1133 | wpi_ccmp_decap(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_key *k) |
1134 | { |
1135 | struct ieee80211com *ic = &sc->sc_ic; |
1136 | struct ieee80211_frame *wh; |
1137 | uint64_t pn, *prsc; |
1138 | uint8_t *ivp; |
1139 | uint8_t tid; |
1140 | int hdrlen; |
1141 | |
1142 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1143 | hdrlen = ieee80211_get_hdrlen(wh); |
1144 | ivp = (uint8_t *)wh + hdrlen; |
1145 | |
1146 | /* Check that ExtIV bit is set. */ |
1147 | if (!(ivp[3] & IEEE80211_WEP_EXTIV0x20)) { |
1148 | DPRINTF(("CCMP decap ExtIV not set\n")); |
1149 | return 1; |
1150 | } |
1151 | tid = ieee80211_has_qos(wh) ? |
1152 | ieee80211_get_qos(wh) & IEEE80211_QOS_TID0x000f : 0; |
1153 | prsc = &k->k_rsc[tid]; |
1154 | |
1155 | /* Extract the 48-bit PN from the CCMP header. */ |
1156 | pn = (uint64_t)ivp[0] | |
1157 | (uint64_t)ivp[1] << 8 | |
1158 | (uint64_t)ivp[4] << 16 | |
1159 | (uint64_t)ivp[5] << 24 | |
1160 | (uint64_t)ivp[6] << 32 | |
1161 | (uint64_t)ivp[7] << 40; |
1162 | if (pn <= *prsc) { |
1163 | DPRINTF(("CCMP replayed\n")); |
1164 | ic->ic_stats.is_ccmp_replays++; |
1165 | return 1; |
1166 | } |
1167 | /* Last seen packet number is updated in ieee80211_inputm(). */ |
1168 | |
1169 | /* Strip MIC. IV will be stripped by ieee80211_inputm(). */ |
1170 | m_adj(m, -IEEE80211_CCMP_MICLEN8); |
1171 | return 0; |
1172 | } |
1173 | |
1174 | void |
1175 | wpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, |
1176 | struct wpi_rx_data *data, struct mbuf_list *ml) |
1177 | { |
1178 | struct ieee80211com *ic = &sc->sc_ic; |
1179 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1180 | struct wpi_rx_ring *ring = &sc->rxq; |
1181 | struct wpi_rx_stat *stat; |
1182 | struct wpi_rx_head *head; |
1183 | struct wpi_rx_tail *tail; |
1184 | struct ieee80211_frame *wh; |
1185 | struct ieee80211_rxinfo rxi; |
1186 | struct ieee80211_node *ni; |
1187 | struct mbuf *m, *m1; |
1188 | uint32_t flags; |
1189 | int error; |
1190 | |
1191 | bus_dmamap_sync(sc->sc_dmat, data->map, 0, WPI_RBUF_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), ((3 * 1024)), (0x02)) |
1192 | BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), ((3 * 1024)), (0x02)); |
1193 | stat = (struct wpi_rx_stat *)(desc + 1); |
1194 | |
1195 | if (stat->len > WPI_STAT_MAXLEN20) { |
1196 | printf("%s: invalid RX statistic header\n", |
1197 | sc->sc_dev.dv_xname); |
1198 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1199 | return; |
1200 | } |
1201 | head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); |
1202 | tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + letoh16(head->len)((__uint16_t)(head->len))); |
1203 | flags = letoh32(tail->flags)((__uint32_t)(tail->flags)); |
1204 | |
1205 | /* Discard frames with a bad FCS early. */ |
1206 | if ((flags & WPI_RX_NOERROR((1 << 0) | (1 << 1))) != WPI_RX_NOERROR((1 << 0) | (1 << 1))) { |
1207 | DPRINTFN(2, ("rx tail flags error %x\n", flags)); |
1208 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1209 | return; |
1210 | } |
1211 | /* Discard frames that are too short. */ |
1212 | if (letoh16(head->len)((__uint16_t)(head->len)) < sizeof (*wh)) { |
1213 | DPRINTF(("frame too short: %d\n", letoh16(head->len))); |
1214 | ic->ic_stats.is_rx_tooshort++; |
1215 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1216 | return; |
1217 | } |
1218 | |
1219 | m1 = MCLGETL(NULL, M_DONTWAIT, WPI_RBUF_SIZE)m_clget((((void *)0)), (0x0002), ((3 * 1024))); |
1220 | if (m1 == NULL((void *)0)) { |
1221 | ic->ic_stats.is_rx_nombuf++; |
1222 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1223 | return; |
1224 | } |
1225 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
1226 | |
1227 | error = bus_dmamap_load(sc->sc_dmat, data->map, mtod(m1, void *),(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((m1)->m_hdr.mh_data))), ((3 * 1024)), ((( void *)0)), (0x0001 | 0x0200)) |
1228 | WPI_RBUF_SIZE, NULL, BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((m1)->m_hdr.mh_data))), ((3 * 1024)), ((( void *)0)), (0x0001 | 0x0200)); |
1229 | if (error != 0) { |
1230 | m_freem(m1); |
1231 | |
1232 | /* Try to reload the old mbuf. */ |
1233 | error = bus_dmamap_load(sc->sc_dmat, data->map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)) |
1234 | mtod(data->m, void *), WPI_RBUF_SIZE, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)) |
1235 | BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (((void *)((data->m)->m_hdr.mh_data))), ((3 * 1024 )), (((void *)0)), (0x0001 | 0x0200)); |
1236 | if (error != 0) { |
1237 | panic("%s: could not load old RX mbuf", |
1238 | sc->sc_dev.dv_xname); |
1239 | } |
1240 | /* Physical address may have changed. */ |
1241 | ring->desc[ring->cur] = htole32(data->map->dm_segs[0].ds_addr)((__uint32_t)(data->map->dm_segs[0].ds_addr)); |
1242 | bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)) |
1243 | ring->cur * sizeof (uint32_t), sizeof (uint32_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)) |
1244 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)); |
1245 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1246 | return; |
1247 | } |
1248 | |
1249 | m = data->m; |
1250 | data->m = m1; |
1251 | /* Update RX descriptor. */ |
1252 | ring->desc[ring->cur] = htole32(data->map->dm_segs[0].ds_addr)((__uint32_t)(data->map->dm_segs[0].ds_addr)); |
1253 | bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)) |
1254 | ring->cur * sizeof (uint32_t), sizeof (uint32_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)) |
1255 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t )), (0x04)); |
1256 | |
1257 | /* Finalize mbuf. */ |
1258 | m->m_datam_hdr.mh_data = (caddr_t)(head + 1); |
1259 | m->m_pkthdrM_dat.MH.MH_pkthdr.len = m->m_lenm_hdr.mh_len = letoh16(head->len)((__uint16_t)(head->len)); |
1260 | |
1261 | /* Grab a reference to the source node. */ |
1262 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1263 | ni = ieee80211_find_rxnode(ic, wh); |
1264 | |
1265 | memset(&rxi, 0, sizeof(rxi))__builtin_memset((&rxi), (0), (sizeof(rxi))); |
1266 | if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40) && |
1267 | !IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) && |
1268 | (ni->ni_flags & IEEE80211_NODE_RXPROT0x0008) && |
1269 | ni->ni_pairwise_key.k_cipher == IEEE80211_CIPHER_CCMP) { |
1270 | if ((flags & WPI_RX_CIPHER_MASK(7 << 8)) != WPI_RX_CIPHER_CCMP(2 << 8)) { |
1271 | ic->ic_stats.is_ccmp_dec_errs++; |
1272 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1273 | m_freem(m); |
1274 | ieee80211_release_node(ic, ni); |
1275 | return; |
1276 | } |
1277 | /* Check whether decryption was successful or not. */ |
1278 | if ((flags & WPI_RX_DECRYPT_MASK(3 << 11)) != WPI_RX_DECRYPT_OK(3 << 11)) { |
1279 | DPRINTF(("CCMP decryption failed 0x%x\n", flags)); |
1280 | ic->ic_stats.is_ccmp_dec_errs++; |
1281 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1282 | m_freem(m); |
1283 | ieee80211_release_node(ic, ni); |
1284 | return; |
1285 | } |
1286 | if (wpi_ccmp_decap(sc, m, &ni->ni_pairwise_key) != 0) { |
1287 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1288 | m_freem(m); |
1289 | ieee80211_release_node(ic, ni); |
1290 | return; |
1291 | } |
1292 | rxi.rxi_flags |= IEEE80211_RXI_HWDEC0x00000001; |
1293 | } |
1294 | |
1295 | #if NBPFILTER1 > 0 |
1296 | if (sc->sc_drvbpf != NULL((void *)0)) { |
1297 | struct wpi_rx_radiotap_header *tap = &sc->sc_rxtapsc_rxtapu.th; |
1298 | |
1299 | tap->wr_flags = 0; |
1300 | if (letoh16(head->flags)((__uint16_t)(head->flags)) & 0x4) |
1301 | tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE0x02; |
1302 | tap->wr_chan_freq = |
1303 | htole16(ic->ic_channels[head->chan].ic_freq)((__uint16_t)(ic->ic_channels[head->chan].ic_freq)); |
1304 | tap->wr_chan_flags = |
1305 | htole16(ic->ic_channels[head->chan].ic_flags)((__uint16_t)(ic->ic_channels[head->chan].ic_flags)); |
1306 | tap->wr_dbm_antsignal = (int8_t)(stat->rssi - WPI_RSSI_OFFSET95); |
1307 | tap->wr_dbm_antnoise = (int8_t)letoh16(stat->noise)((__uint16_t)(stat->noise)); |
1308 | tap->wr_tsft = tail->tstamp; |
1309 | tap->wr_antenna = (letoh16(head->flags)((__uint16_t)(head->flags)) >> 4) & 0xf; |
1310 | switch (head->rate) { |
1311 | /* CCK rates. */ |
1312 | case 10: tap->wr_rate = 2; break; |
1313 | case 20: tap->wr_rate = 4; break; |
1314 | case 55: tap->wr_rate = 11; break; |
1315 | case 110: tap->wr_rate = 22; break; |
1316 | /* OFDM rates. */ |
1317 | case 0xd: tap->wr_rate = 12; break; |
1318 | case 0xf: tap->wr_rate = 18; break; |
1319 | case 0x5: tap->wr_rate = 24; break; |
1320 | case 0x7: tap->wr_rate = 36; break; |
1321 | case 0x9: tap->wr_rate = 48; break; |
1322 | case 0xb: tap->wr_rate = 72; break; |
1323 | case 0x1: tap->wr_rate = 96; break; |
1324 | case 0x3: tap->wr_rate = 108; break; |
1325 | /* Unknown rate: should not happen. */ |
1326 | default: tap->wr_rate = 0; |
1327 | } |
1328 | |
1329 | bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_rxtap_len, |
1330 | m, BPF_DIRECTION_IN(1 << 0)); |
1331 | } |
1332 | #endif |
1333 | |
1334 | /* Send the frame to the 802.11 layer. */ |
1335 | rxi.rxi_rssi = stat->rssi; |
1336 | ieee80211_inputm(ifp, m, ni, &rxi, ml); |
1337 | |
1338 | /* Node is no longer needed. */ |
1339 | ieee80211_release_node(ic, ni); |
1340 | } |
1341 | |
1342 | void |
1343 | wpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) |
1344 | { |
1345 | struct ieee80211com *ic = &sc->sc_ic; |
1346 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1347 | struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; |
1348 | struct wpi_tx_data *data = &ring->data[desc->idx]; |
1349 | struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); |
1350 | struct wpi_node *wn = (struct wpi_node *)data->ni; |
1351 | |
1352 | /* Update rate control statistics. */ |
1353 | wn->amn.amn_txcnt++; |
1354 | if (stat->retrycnt > 0) |
1355 | wn->amn.amn_retrycnt++; |
1356 | |
1357 | if ((letoh32(stat->status)((__uint32_t)(stat->status)) & 0xff) != 1) |
1358 | ifp->if_oerrorsif_data.ifi_oerrors++; |
1359 | |
1360 | /* Unmap and free mbuf. */ |
1361 | bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)) |
1362 | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)); |
1363 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
1364 | m_freem(data->m); |
1365 | data->m = NULL((void *)0); |
1366 | ieee80211_release_node(ic, data->ni); |
1367 | data->ni = NULL((void *)0); |
1368 | |
1369 | sc->sc_tx_timer = 0; |
1370 | if (--ring->queued < WPI_TX_RING_LOMARK192) { |
1371 | sc->qfullmsk &= ~(1 << ring->qid); |
1372 | if (sc->qfullmsk == 0 && ifq_is_oactive(&ifp->if_snd)) { |
1373 | ifq_clr_oactive(&ifp->if_snd); |
1374 | (*ifp->if_start)(ifp); |
1375 | } |
1376 | } |
1377 | } |
1378 | |
1379 | void |
1380 | wpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) |
1381 | { |
1382 | struct wpi_tx_ring *ring = &sc->txq[4]; |
1383 | struct wpi_tx_data *data; |
1384 | |
1385 | if ((desc->qid & 7) != 4) |
1386 | return; /* Not a command ack. */ |
1387 | |
1388 | data = &ring->data[desc->idx]; |
1389 | |
1390 | /* If the command was mapped in an mbuf, free it. */ |
1391 | if (data->m != NULL((void *)0)) { |
1392 | bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)) |
1393 | data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x08)); |
1394 | bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data ->map)); |
1395 | m_freem(data->m); |
1396 | data->m = NULL((void *)0); |
1397 | } |
1398 | wakeup(&ring->cmd[desc->idx]); |
1399 | } |
1400 | |
1401 | void |
1402 | wpi_notif_intr(struct wpi_softc *sc) |
1403 | { |
1404 | struct mbuf_list ml = MBUF_LIST_INITIALIZER(){ ((void *)0), ((void *)0), 0 }; |
1405 | struct ieee80211com *ic = &sc->sc_ic; |
1406 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
1407 | uint32_t hw; |
1408 | |
1409 | bus_dmamap_sync(sc->sc_dmat, sc->shared_dma.map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> shared_dma.map), (0), (sizeof (struct wpi_shared)), (0x02)) |
1410 | sizeof (struct wpi_shared), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> shared_dma.map), (0), (sizeof (struct wpi_shared)), (0x02)); |
1411 | |
1412 | hw = letoh32(sc->shared->next)((__uint32_t)(sc->shared->next)); |
1413 | while (sc->rxq.cur != hw) { |
1414 | struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; |
1415 | struct wpi_rx_desc *desc; |
1416 | |
1417 | bus_dmamap_sync(sc->sc_dmat, data->map, 0, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (sizeof (*desc)), (0x02)) |
1418 | BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (sizeof (*desc)), (0x02)); |
1419 | desc = mtod(data->m, struct wpi_rx_desc *)((struct wpi_rx_desc *)((data->m)->m_hdr.mh_data)); |
1420 | |
1421 | DPRINTFN(4, ("rx notification qid=%x idx=%d flags=%x type=%d " |
1422 | "len=%d\n", desc->qid, desc->idx, desc->flags, desc->type, |
1423 | letoh32(desc->len))); |
1424 | |
1425 | if (!(desc->qid & 0x80)) /* Reply to a command. */ |
1426 | wpi_cmd_done(sc, desc); |
1427 | |
1428 | switch (desc->type) { |
1429 | case WPI_RX_DONE27: |
1430 | /* An 802.11 frame has been received. */ |
1431 | wpi_rx_done(sc, desc, data, &ml); |
1432 | break; |
1433 | |
1434 | case WPI_TX_DONE28: |
1435 | /* An 802.11 frame has been transmitted. */ |
1436 | wpi_tx_done(sc, desc); |
1437 | break; |
1438 | |
1439 | case WPI_UC_READY1: |
1440 | { |
1441 | struct wpi_ucode_info *uc = |
1442 | (struct wpi_ucode_info *)(desc + 1); |
1443 | |
1444 | /* The microcontroller is ready. */ |
1445 | bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*uc)), (0x02)) |
1446 | sizeof (*uc), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*uc)), (0x02)); |
1447 | DPRINTF(("microcode alive notification version %x " |
1448 | "alive %x\n", letoh32(uc->version), |
1449 | letoh32(uc->valid))); |
1450 | |
1451 | if (letoh32(uc->valid)((__uint32_t)(uc->valid)) != 1) { |
1452 | printf("%s: microcontroller initialization " |
1453 | "failed\n", sc->sc_dev.dv_xname); |
1454 | } |
1455 | if (uc->subtype != WPI_UCODE_INIT9) { |
1456 | /* Save the address of the error log. */ |
1457 | sc->errptr = letoh32(uc->errptr)((__uint32_t)(uc->errptr)); |
1458 | } |
1459 | break; |
1460 | } |
1461 | case WPI_STATE_CHANGED161: |
1462 | { |
1463 | uint32_t *status = (uint32_t *)(desc + 1); |
1464 | |
1465 | /* Enabled/disabled notification. */ |
1466 | bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*status)), (0x02)) |
1467 | sizeof (*status), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*status)), (0x02)); |
1468 | DPRINTF(("state changed to %x\n", letoh32(*status))); |
1469 | |
1470 | if (letoh32(*status)((__uint32_t)(*status)) & 1) { |
1471 | /* The radio button has to be pushed. */ |
1472 | printf("%s: Radio transmitter is off\n", |
1473 | sc->sc_dev.dv_xname); |
1474 | /* Turn the interface down. */ |
1475 | wpi_stop(ifp, 1); |
1476 | return; /* No further processing. */ |
1477 | } |
1478 | break; |
1479 | } |
1480 | case WPI_START_SCAN130: |
1481 | { |
1482 | struct wpi_start_scan *scan = |
1483 | (struct wpi_start_scan *)(desc + 1); |
1484 | |
1485 | bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*scan)), (0x02)) |
1486 | sizeof (*scan), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*scan)), (0x02)); |
1487 | DPRINTFN(2, ("scanning channel %d status %x\n", |
1488 | scan->chan, letoh32(scan->status))); |
1489 | |
1490 | /* Fix current channel. */ |
1491 | ic->ic_bss->ni_chan = &ic->ic_channels[scan->chan]; |
1492 | break; |
1493 | } |
1494 | case WPI_STOP_SCAN132: |
1495 | { |
1496 | struct wpi_stop_scan *scan = |
1497 | (struct wpi_stop_scan *)(desc + 1); |
1498 | |
1499 | bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*scan)), (0x02)) |
1500 | sizeof (*scan), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (sizeof (*desc)), (sizeof (*scan)), (0x02)); |
1501 | DPRINTF(("scan finished nchan=%d status=%d chan=%d\n", |
1502 | scan->nchan, scan->status, scan->chan)); |
1503 | |
1504 | if (scan->status == 1 && scan->chan <= 14 && |
1505 | (sc->sc_flags & WPI_FLAG_HAS_5GHZ(1 << 0))) { |
1506 | /* |
1507 | * We just finished scanning 2GHz channels, |
1508 | * start scanning 5GHz ones. |
1509 | */ |
1510 | if (wpi_scan(sc, IEEE80211_CHAN_5GHZ0x0100) == 0) |
1511 | break; |
1512 | } |
1513 | ieee80211_end_scan(ifp); |
1514 | break; |
1515 | } |
1516 | } |
1517 | |
1518 | sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT(1 << 6); |
1519 | } |
1520 | if_input(&ic->ic_ific_ac.ac_if, &ml); |
1521 | |
1522 | /* Tell the firmware what we have processed. */ |
1523 | hw = (hw == 0) ? WPI_RX_RING_COUNT(1 << 6) - 1 : hw - 1; |
1524 | WPI_WRITE(sc, WPI_FH_RX_WPTR, hw & ~7)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc20)), (( hw & ~7)))); |
1525 | } |
1526 | |
1527 | #ifdef WPI_DEBUG |
1528 | /* |
1529 | * Dump the error log of the firmware when a firmware panic occurs. Although |
1530 | * we can't debug the firmware because it is neither open source nor free, it |
1531 | * can help us to identify certain classes of problems. |
1532 | */ |
1533 | void |
1534 | wpi_fatal_intr(struct wpi_softc *sc) |
1535 | { |
1536 | #define N(a) (sizeof (a) / sizeof ((a)[0])) |
1537 | struct wpi_fwdump dump; |
1538 | uint32_t i, offset, count; |
1539 | |
1540 | /* Check that the error log address is valid. */ |
1541 | if (sc->errptr < WPI_FW_DATA_BASE0x00800000 || |
1542 | sc->errptr + sizeof (dump) > |
1543 | WPI_FW_DATA_BASE0x00800000 + WPI_FW_DATA_MAXSZ(32 * 1024)) { |
1544 | printf("%s: bad firmware error log address 0x%08x\n", |
1545 | sc->sc_dev.dv_xname, sc->errptr); |
1546 | return; |
1547 | } |
1548 | |
1549 | if (wpi_nic_lock(sc) != 0) { |
1550 | printf("%s: could not read firmware error log\n", |
1551 | sc->sc_dev.dv_xname); |
1552 | return; |
1553 | } |
1554 | /* Read number of entries in the log. */ |
1555 | count = wpi_mem_read(sc, sc->errptr); |
1556 | if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ(32 * 1024)) { |
1557 | printf("%s: invalid count field (count=%u)\n", |
1558 | sc->sc_dev.dv_xname, count); |
1559 | wpi_nic_unlock(sc); |
1560 | return; |
1561 | } |
1562 | /* Skip "count" field. */ |
1563 | offset = sc->errptr + sizeof (uint32_t); |
1564 | printf("firmware error log (count=%u):\n", count); |
1565 | for (i = 0; i < count; i++) { |
1566 | wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, |
1567 | sizeof (dump) / sizeof (uint32_t)); |
1568 | |
1569 | printf(" error type = \"%s\" (0x%08X)\n", |
1570 | (dump.desc < N(wpi_fw_errmsg)) ? |
1571 | wpi_fw_errmsg[dump.desc] : "UNKNOWN", |
1572 | dump.desc); |
1573 | printf(" error data = 0x%08X\n", |
1574 | dump.data); |
1575 | printf(" branch link = 0x%08X%08X\n", |
1576 | dump.blink[0], dump.blink[1]); |
1577 | printf(" interrupt link = 0x%08X%08X\n", |
1578 | dump.ilink[0], dump.ilink[1]); |
1579 | printf(" time = %u\n", dump.time); |
1580 | |
1581 | offset += sizeof (dump); |
1582 | } |
1583 | wpi_nic_unlock(sc); |
1584 | /* Dump driver status (TX and RX rings) while we're here. */ |
1585 | printf("driver status:\n"); |
1586 | for (i = 0; i < 6; i++) { |
1587 | struct wpi_tx_ring *ring = &sc->txq[i]; |
1588 | printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", |
1589 | i, ring->qid, ring->cur, ring->queued); |
1590 | } |
1591 | printf(" rx ring: cur=%d\n", sc->rxq.cur); |
1592 | printf(" 802.11 state %d\n", sc->sc_ic.ic_state); |
1593 | #undef N |
1594 | } |
1595 | #endif |
1596 | |
1597 | int |
1598 | wpi_intr(void *arg) |
1599 | { |
1600 | struct wpi_softc *sc = arg; |
1601 | struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if; |
1602 | uint32_t r1, r2; |
1603 | |
1604 | /* Disable interrupts. */ |
1605 | WPI_WRITE(sc, WPI_MASK, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), (( 0)))); |
1606 | |
1607 | r1 = WPI_READ(sc, WPI_INT)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x008)))); |
1608 | r2 = WPI_READ(sc, WPI_FH_INT)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x010)))); |
1609 | |
1610 | if (r1 == 0 && r2 == 0) { |
1611 | if (ifp->if_flags & IFF_UP0x1) |
1612 | WPI_WRITE(sc, WPI_MASK, WPI_INT_MASK)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), (( ((1U << 25) | (1U << 29) | (1U << 27) | (1U << 31) | (1U << 0) | (1U << 1) | (1U << 3) | (1U << 7)))))); |
1613 | return 0; /* Interrupt not for us. */ |
1614 | } |
1615 | if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) |
1616 | return 0; /* Hardware gone! */ |
1617 | |
1618 | /* Acknowledge interrupts. */ |
1619 | WPI_WRITE(sc, WPI_INT, r1)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), (( r1)))); |
1620 | WPI_WRITE(sc, WPI_FH_INT, r2)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), (( r2)))); |
1621 | |
1622 | if (r1 & (WPI_INT_SW_ERR(1U << 25) | WPI_INT_HW_ERR(1U << 29))) { |
1623 | printf("%s: fatal firmware error\n", sc->sc_dev.dv_xname); |
1624 | /* Dump firmware error log and stop. */ |
1625 | #ifdef WPI_DEBUG |
1626 | wpi_fatal_intr(sc); |
1627 | #endif |
1628 | wpi_stop(ifp, 1); |
1629 | task_add(systq, &sc->init_task); |
1630 | return 1; |
1631 | } |
1632 | if ((r1 & (WPI_INT_FH_RX(1U << 31) | WPI_INT_SW_RX(1U << 3))) || |
1633 | (r2 & WPI_FH_INT_RX((1 << ((0) + 16)) | (1 << ((1) + 16)) | (1 << ((2) + 16)) | (1 << 30)))) |
1634 | wpi_notif_intr(sc); |
1635 | |
1636 | if (r1 & WPI_INT_ALIVE(1U << 0)) |
1637 | wakeup(sc); /* Firmware is alive. */ |
1638 | |
1639 | /* Re-enable interrupts. */ |
1640 | if (ifp->if_flags & IFF_UP0x1) |
1641 | WPI_WRITE(sc, WPI_MASK, WPI_INT_MASK)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), (( ((1U << 25) | (1U << 29) | (1U << 27) | (1U << 31) | (1U << 0) | (1U << 1) | (1U << 3) | (1U << 7)))))); |
1642 | |
1643 | return 1; |
1644 | } |
1645 | |
1646 | int |
1647 | wpi_tx(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) |
1648 | { |
1649 | struct ieee80211com *ic = &sc->sc_ic; |
1650 | struct wpi_node *wn = (void *)ni; |
1651 | struct wpi_tx_ring *ring; |
1652 | struct wpi_tx_desc *desc; |
1653 | struct wpi_tx_data *data; |
1654 | struct wpi_tx_cmd *cmd; |
1655 | struct wpi_cmd_data *tx; |
1656 | const struct wpi_rate *rinfo; |
1657 | struct ieee80211_frame *wh; |
1658 | struct ieee80211_key *k = NULL((void *)0); |
1659 | enum ieee80211_edca_ac ac; |
1660 | uint32_t flags; |
1661 | uint16_t qos; |
1662 | u_int hdrlen; |
1663 | uint8_t *ivp, tid, ridx, type; |
1664 | int i, totlen, hasqos, error; |
1665 | |
1666 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1667 | hdrlen = ieee80211_get_hdrlen(wh); |
1668 | type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c; |
1669 | |
1670 | /* Select EDCA Access Category and TX ring for this frame. */ |
1671 | if ((hasqos = ieee80211_has_qos(wh))) { |
1672 | qos = ieee80211_get_qos(wh); |
1673 | tid = qos & IEEE80211_QOS_TID0x000f; |
1674 | ac = ieee80211_up_to_ac(ic, tid); |
1675 | } else { |
1676 | tid = 0; |
1677 | ac = EDCA_AC_BE; |
1678 | } |
1679 | |
1680 | ring = &sc->txq[ac]; |
1681 | desc = &ring->desc[ring->cur]; |
1682 | data = &ring->data[ring->cur]; |
1683 | |
1684 | /* Choose a TX rate index. */ |
1685 | if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) || |
1686 | type != IEEE80211_FC0_TYPE_DATA0x08) { |
1687 | ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? |
1688 | WPI_RIDX_OFDM60 : WPI_RIDX_CCK18; |
1689 | } else if (ic->ic_fixed_rate != -1) { |
1690 | ridx = sc->fixed_ridx; |
1691 | } else |
1692 | ridx = wn->ridx[ni->ni_txrate]; |
1693 | rinfo = &wpi_rates[ridx]; |
1694 | |
1695 | #if NBPFILTER1 > 0 |
1696 | if (sc->sc_drvbpf != NULL((void *)0)) { |
1697 | struct wpi_tx_radiotap_header *tap = &sc->sc_txtapsc_txtapu.th; |
1698 | |
1699 | tap->wt_flags = 0; |
1700 | tap->wt_chan_freq = htole16(ni->ni_chan->ic_freq)((__uint16_t)(ni->ni_chan->ic_freq)); |
1701 | tap->wt_chan_flags = htole16(ni->ni_chan->ic_flags)((__uint16_t)(ni->ni_chan->ic_flags)); |
1702 | tap->wt_rate = rinfo->rate; |
1703 | if ((ic->ic_flags & IEEE80211_F_WEPON0x00000100) && |
1704 | (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40)) |
1705 | tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP0x04; |
1706 | |
1707 | bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_txtap_len, |
1708 | m, BPF_DIRECTION_OUT(1 << 1)); |
1709 | } |
1710 | #endif |
1711 | |
1712 | totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len; |
1713 | |
1714 | /* Encrypt the frame if need be. */ |
1715 | if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40) { |
1716 | /* Retrieve key for TX. */ |
1717 | k = ieee80211_get_txkey(ic, wh, ni); |
1718 | if (k->k_cipher != IEEE80211_CIPHER_CCMP) { |
1719 | /* Do software encryption. */ |
1720 | if ((m = ieee80211_encrypt(ic, m, k)) == NULL((void *)0)) |
1721 | return ENOBUFS55; |
1722 | /* 802.11 header may have moved. */ |
1723 | wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data)); |
1724 | totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len; |
1725 | |
1726 | } else /* HW appends CCMP MIC. */ |
1727 | totlen += IEEE80211_CCMP_HDRLEN8; |
1728 | } |
1729 | |
1730 | /* Prepare TX firmware command. */ |
1731 | cmd = &ring->cmd[ring->cur]; |
1732 | cmd->code = WPI_CMD_TX_DATA28; |
1733 | cmd->flags = 0; |
1734 | cmd->qid = ring->qid; |
1735 | cmd->idx = ring->cur; |
1736 | |
1737 | tx = (struct wpi_cmd_data *)cmd->data; |
1738 | /* NB: No need to clear tx, all fields are reinitialized here. */ |
1739 | |
1740 | flags = 0; |
1741 | if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01)) { |
1742 | /* Unicast frame, check if an ACK is expected. */ |
1743 | if (!hasqos || (qos & IEEE80211_QOS_ACK_POLICY_MASK0x0060) != |
1744 | IEEE80211_QOS_ACK_POLICY_NOACK0x0020) |
1745 | flags |= WPI_TX_NEED_ACK(1 << 3); |
1746 | } |
1747 | |
1748 | /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ |
1749 | if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01)) { |
1750 | /* NB: Group frames are sent using CCK in 802.11b/g. */ |
1751 | if (totlen + IEEE80211_CRC_LEN4 > ic->ic_rtsthreshold) { |
1752 | flags |= WPI_TX_NEED_RTS(1 << 1) | WPI_TX_FULL_TXOP(1 << 7); |
1753 | } else if ((ic->ic_flags & IEEE80211_F_USEPROT0x00100000) && |
1754 | ridx <= WPI_RIDX_OFDM547) { |
1755 | if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) |
1756 | flags |= WPI_TX_NEED_CTS(1 << 2) | WPI_TX_FULL_TXOP(1 << 7); |
1757 | else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) |
1758 | flags |= WPI_TX_NEED_RTS(1 << 1) | WPI_TX_FULL_TXOP(1 << 7); |
1759 | } |
1760 | } |
1761 | |
1762 | if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) || |
1763 | type != IEEE80211_FC0_TYPE_DATA0x08) |
1764 | tx->id = WPI_ID_BROADCAST24; |
1765 | else |
1766 | tx->id = wn->id; |
1767 | |
1768 | if (type == IEEE80211_FC0_TYPE_MGT0x00) { |
1769 | uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK0xf0; |
1770 | |
1771 | #ifndef IEEE80211_STA_ONLY |
1772 | /* Tell HW to set timestamp in probe responses. */ |
1773 | if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP0x50) |
1774 | flags |= WPI_TX_INSERT_TSTAMP(1 << 16); |
1775 | #endif |
1776 | if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ0x00 || |
1777 | subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ0x20) |
1778 | tx->timeout = htole16(3)((__uint16_t)(3)); |
1779 | else |
1780 | tx->timeout = htole16(2)((__uint16_t)(2)); |
1781 | } else |
1782 | tx->timeout = htole16(0)((__uint16_t)(0)); |
1783 | |
1784 | tx->len = htole16(totlen)((__uint16_t)(totlen)); |
1785 | tx->tid = tid; |
1786 | tx->rts_ntries = 7; |
1787 | tx->data_ntries = 15; |
1788 | tx->ofdm_mask = 0xff; |
1789 | tx->cck_mask = 0x0f; |
1790 | tx->lifetime = htole32(WPI_LIFETIME_INFINITE)((__uint32_t)(0xffffffff)); |
1791 | tx->plcp = rinfo->plcp; |
1792 | |
1793 | /* Copy 802.11 header in TX command. */ |
1794 | memcpy((uint8_t *)(tx + 1), wh, hdrlen)__builtin_memcpy(((uint8_t *)(tx + 1)), (wh), (hdrlen)); |
1795 | |
1796 | if (k != NULL((void *)0) && k->k_cipher == IEEE80211_CIPHER_CCMP) { |
1797 | /* Trim 802.11 header and prepend CCMP IV. */ |
1798 | m_adj(m, hdrlen - IEEE80211_CCMP_HDRLEN8); |
1799 | ivp = mtod(m, uint8_t *)((uint8_t *)((m)->m_hdr.mh_data)); |
1800 | k->k_tsc++; |
1801 | ivp[0] = k->k_tsc; |
1802 | ivp[1] = k->k_tsc >> 8; |
1803 | ivp[2] = 0; |
1804 | ivp[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV0x20; |
1805 | ivp[4] = k->k_tsc >> 16; |
1806 | ivp[5] = k->k_tsc >> 24; |
1807 | ivp[6] = k->k_tsc >> 32; |
1808 | ivp[7] = k->k_tsc >> 40; |
1809 | |
1810 | tx->security = WPI_CIPHER_CCMP2; |
1811 | memcpy(tx->key, k->k_key, k->k_len)__builtin_memcpy((tx->key), (k->k_key), (k->k_len)); |
1812 | } else { |
1813 | /* Trim 802.11 header. */ |
1814 | m_adj(m, hdrlen); |
1815 | tx->security = 0; |
1816 | } |
1817 | tx->flags = htole32(flags)((__uint32_t)(flags)); |
1818 | |
1819 | error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( data->map), (m), (0x0001 | 0x0400)) |
1820 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( data->map), (m), (0x0001 | 0x0400)); |
1821 | if (error != 0 && error != EFBIG27) { |
1822 | printf("%s: can't map mbuf (error %d)\n", |
1823 | sc->sc_dev.dv_xname, error); |
1824 | m_freem(m); |
1825 | return error; |
1826 | } |
1827 | if (error != 0) { |
1828 | /* Too many DMA segments, linearize mbuf. */ |
1829 | if (m_defrag(m, M_DONTWAIT0x0002)) { |
1830 | m_freem(m); |
1831 | return ENOBUFS55; |
1832 | } |
1833 | error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( data->map), (m), (0x0001 | 0x0400)) |
1834 | BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( data->map), (m), (0x0001 | 0x0400)); |
1835 | if (error != 0) { |
1836 | printf("%s: can't map mbuf (error %d)\n", |
1837 | sc->sc_dev.dv_xname, error); |
1838 | m_freem(m); |
1839 | return error; |
1840 | } |
1841 | } |
1842 | |
1843 | data->m = m; |
1844 | data->ni = ni; |
1845 | |
1846 | DPRINTFN(4, ("sending data: qid=%d idx=%d len=%d nsegs=%d\n", |
1847 | ring->qid, ring->cur, m->m_pkthdr.len, data->map->dm_nsegs)); |
1848 | |
1849 | /* Fill TX descriptor. */ |
1850 | desc->flags = htole32(WPI_PAD32(m->m_pkthdr.len) << 28 |((__uint32_t)(((((m->M_dat.MH.MH_pkthdr.len) + 3) & ~3 ) - (m->M_dat.MH.MH_pkthdr.len)) << 28 | (1 + data-> map->dm_nsegs) << 24)) |
1851 | (1 + data->map->dm_nsegs) << 24)((__uint32_t)(((((m->M_dat.MH.MH_pkthdr.len) + 3) & ~3 ) - (m->M_dat.MH.MH_pkthdr.len)) << 28 | (1 + data-> map->dm_nsegs) << 24)); |
1852 | /* First DMA segment is used by the TX command. */ |
1853 | desc->segs[0].addr = htole32(ring->cmd_dma.paddr +((__uint32_t)(ring->cmd_dma.paddr + ring->cur * sizeof ( struct wpi_tx_cmd))) |
1854 | ring->cur * sizeof (struct wpi_tx_cmd))((__uint32_t)(ring->cmd_dma.paddr + ring->cur * sizeof ( struct wpi_tx_cmd))); |
1855 | desc->segs[0].len = htole32(4 + sizeof (struct wpi_cmd_data) +((__uint32_t)(4 + sizeof (struct wpi_cmd_data) + ((hdrlen + 3 ) & ~3))) |
1856 | ((hdrlen + 3) & ~3))((__uint32_t)(4 + sizeof (struct wpi_cmd_data) + ((hdrlen + 3 ) & ~3))); |
1857 | /* Other DMA segments are for data payload. */ |
1858 | for (i = 1; i <= data->map->dm_nsegs; i++) { |
1859 | desc->segs[i].addr = |
1860 | htole32(data->map->dm_segs[i - 1].ds_addr)((__uint32_t)(data->map->dm_segs[i - 1].ds_addr)); |
1861 | desc->segs[i].len = |
1862 | htole32(data->map->dm_segs[i - 1].ds_len)((__uint32_t)(data->map->dm_segs[i - 1].ds_len)); |
1863 | } |
1864 | |
1865 | bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x04)) |
1866 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (data->map->dm_mapsize), (0x04)); |
1867 | bus_dmamap_sync(sc->sc_dmat, ring->cmd_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof (*cmd)), (0x04)) |
1868 | (caddr_t)cmd - ring->cmd_dma.vaddr, sizeof (*cmd),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof (*cmd)), (0x04)) |
1869 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof (*cmd)), (0x04)); |
1870 | bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)) |
1871 | (caddr_t)desc - ring->desc_dma.vaddr, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)) |
1872 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)); |
1873 | |
1874 | /* Kick TX ring. */ |
1875 | ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT256; |
1876 | WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), (( ring->qid << 8 | ring->cur)))); |
1877 | |
1878 | /* Mark TX ring as full if we reach a certain threshold. */ |
1879 | if (++ring->queued > WPI_TX_RING_HIMARK224) |
1880 | sc->qfullmsk |= 1 << ring->qid; |
1881 | |
1882 | return 0; |
1883 | } |
1884 | |
1885 | void |
1886 | wpi_start(struct ifnet *ifp) |
1887 | { |
1888 | struct wpi_softc *sc = ifp->if_softc; |
1889 | struct ieee80211com *ic = &sc->sc_ic; |
1890 | struct ieee80211_node *ni; |
1891 | struct mbuf *m; |
1892 | |
1893 | if (!(ifp->if_flags & IFF_RUNNING0x40) || ifq_is_oactive(&ifp->if_snd)) |
1894 | return; |
1895 | |
1896 | for (;;) { |
1897 | if (sc->qfullmsk != 0) { |
1898 | ifq_set_oactive(&ifp->if_snd); |
1899 | break; |
1900 | } |
1901 | /* Send pending management frames first. */ |
1902 | m = mq_dequeue(&ic->ic_mgtq); |
1903 | if (m != NULL((void *)0)) { |
1904 | ni = m->m_pkthdrM_dat.MH.MH_pkthdr.ph_cookie; |
1905 | goto sendit; |
1906 | } |
1907 | if (ic->ic_state != IEEE80211_S_RUN) |
1908 | break; |
1909 | |
1910 | /* Encapsulate and send data frames. */ |
1911 | m = ifq_dequeue(&ifp->if_snd); |
1912 | if (m == NULL((void *)0)) |
1913 | break; |
1914 | #if NBPFILTER1 > 0 |
1915 | if (ifp->if_bpf != NULL((void *)0)) |
1916 | bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT(1 << 1)); |
1917 | #endif |
1918 | if ((m = ieee80211_encap(ifp, m, &ni)) == NULL((void *)0)) |
1919 | continue; |
1920 | sendit: |
1921 | #if NBPFILTER1 > 0 |
1922 | if (ic->ic_rawbpf != NULL((void *)0)) |
1923 | bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT(1 << 1)); |
1924 | #endif |
1925 | if (wpi_tx(sc, m, ni) != 0) { |
1926 | ieee80211_release_node(ic, ni); |
1927 | ifp->if_oerrorsif_data.ifi_oerrors++; |
1928 | continue; |
1929 | } |
1930 | |
1931 | sc->sc_tx_timer = 5; |
1932 | ifp->if_timer = 1; |
1933 | } |
1934 | } |
1935 | |
1936 | void |
1937 | wpi_watchdog(struct ifnet *ifp) |
1938 | { |
1939 | struct wpi_softc *sc = ifp->if_softc; |
1940 | |
1941 | ifp->if_timer = 0; |
1942 | |
1943 | if (sc->sc_tx_timer > 0) { |
1944 | if (--sc->sc_tx_timer == 0) { |
1945 | printf("%s: device timeout\n", sc->sc_dev.dv_xname); |
1946 | wpi_stop(ifp, 1); |
1947 | ifp->if_oerrorsif_data.ifi_oerrors++; |
1948 | return; |
1949 | } |
1950 | ifp->if_timer = 1; |
1951 | } |
1952 | |
1953 | ieee80211_watchdog(ifp); |
1954 | } |
1955 | |
1956 | int |
1957 | wpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) |
1958 | { |
1959 | struct wpi_softc *sc = ifp->if_softc; |
1960 | struct ieee80211com *ic = &sc->sc_ic; |
1961 | int s, error = 0; |
1962 | |
1963 | error = rw_enter(&sc->sc_rwlock, RW_WRITE0x0001UL | RW_INTR0x0010UL); |
1964 | if (error) |
1965 | return error; |
1966 | s = splnet()splraise(0x4); |
1967 | |
1968 | switch (cmd) { |
1969 | case SIOCSIFADDR((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((12))): |
1970 | ifp->if_flags |= IFF_UP0x1; |
1971 | /* FALLTHROUGH */ |
1972 | case SIOCSIFFLAGS((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((16))): |
1973 | if (ifp->if_flags & IFF_UP0x1) { |
1974 | if (!(ifp->if_flags & IFF_RUNNING0x40)) |
1975 | error = wpi_init(ifp); |
1976 | } else { |
1977 | if (ifp->if_flags & IFF_RUNNING0x40) |
1978 | wpi_stop(ifp, 1); |
1979 | } |
1980 | break; |
1981 | |
1982 | case SIOCS80211POWER((unsigned long)0x80000000 | ((sizeof(struct ieee80211_power) & 0x1fff) << 16) | ((('i')) << 8) | ((234))): |
1983 | error = ieee80211_ioctl(ifp, cmd, data); |
1984 | if (error != ENETRESET52) |
1985 | break; |
1986 | if (ic->ic_state == IEEE80211_S_RUN) { |
1987 | if (ic->ic_flags & IEEE80211_F_PMGTON0x00000400) |
1988 | error = wpi_set_pslevel(sc, 0, 3, 0); |
1989 | else /* back to CAM */ |
1990 | error = wpi_set_pslevel(sc, 0, 0, 0); |
1991 | } else { |
1992 | /* Defer until transition to IEEE80211_S_RUN. */ |
1993 | error = 0; |
1994 | } |
1995 | break; |
1996 | |
1997 | default: |
1998 | error = ieee80211_ioctl(ifp, cmd, data); |
1999 | } |
2000 | |
2001 | if (error == ENETRESET52) { |
2002 | error = 0; |
2003 | if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) == |
2004 | (IFF_UP0x1 | IFF_RUNNING0x40)) { |
2005 | wpi_stop(ifp, 0); |
2006 | error = wpi_init(ifp); |
2007 | } |
2008 | } |
2009 | |
2010 | splx(s)spllower(s); |
2011 | rw_exit_write(&sc->sc_rwlock); |
2012 | return error; |
2013 | } |
2014 | |
2015 | /* |
2016 | * Send a command to the firmware. |
2017 | */ |
2018 | int |
2019 | wpi_cmd(struct wpi_softc *sc, int code, const void *buf, int size, int async) |
2020 | { |
2021 | struct wpi_tx_ring *ring = &sc->txq[4]; |
2022 | struct wpi_tx_desc *desc; |
2023 | struct wpi_tx_data *data; |
2024 | struct wpi_tx_cmd *cmd; |
2025 | struct mbuf *m; |
2026 | bus_addr_t paddr; |
2027 | int totlen, error; |
2028 | |
2029 | desc = &ring->desc[ring->cur]; |
2030 | data = &ring->data[ring->cur]; |
2031 | totlen = 4 + size; |
2032 | |
2033 | if (size > sizeof cmd->data) { |
2034 | /* Command is too large to fit in a descriptor. */ |
2035 | if (totlen > MCLBYTES(1 << 11)) |
2036 | return EINVAL22; |
2037 | MGETHDR(m, M_DONTWAIT, MT_DATA)m = m_gethdr((0x0002), (1)); |
2038 | if (m == NULL((void *)0)) |
2039 | return ENOMEM12; |
2040 | if (totlen > MHLEN((256 - sizeof(struct m_hdr)) - sizeof(struct pkthdr))) { |
2041 | MCLGET(m, M_DONTWAIT)(void) m_clget((m), (0x0002), (1 << 11)); |
2042 | if (!(m->m_flagsm_hdr.mh_flags & M_EXT0x0001)) { |
2043 | m_freem(m); |
2044 | return ENOMEM12; |
2045 | } |
2046 | } |
2047 | cmd = mtod(m, struct wpi_tx_cmd *)((struct wpi_tx_cmd *)((m)->m_hdr.mh_data)); |
2048 | error = bus_dmamap_load(sc->sc_dmat, data->map, cmd, totlen,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (cmd), (totlen), (((void *)0)), (0x0001 | 0x0400)) |
2049 | NULL, BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data-> map), (cmd), (totlen), (((void *)0)), (0x0001 | 0x0400)); |
2050 | if (error != 0) { |
2051 | m_freem(m); |
2052 | return error; |
2053 | } |
2054 | data->m = m; |
2055 | paddr = data->map->dm_segs[0].ds_addr; |
2056 | } else { |
2057 | cmd = &ring->cmd[ring->cur]; |
2058 | paddr = data->cmd_paddr; |
2059 | } |
2060 | |
2061 | cmd->code = code; |
2062 | cmd->flags = 0; |
2063 | cmd->qid = ring->qid; |
2064 | cmd->idx = ring->cur; |
2065 | memcpy(cmd->data, buf, size)__builtin_memcpy((cmd->data), (buf), (size)); |
2066 | |
2067 | desc->flags = htole32(WPI_PAD32(size) << 28 | 1 << 24)((__uint32_t)(((((size) + 3) & ~3) - (size)) << 28 | 1 << 24)); |
2068 | desc->segs[0].addr = htole32(paddr)((__uint32_t)(paddr)); |
2069 | desc->segs[0].len = htole32(totlen)((__uint32_t)(totlen)); |
2070 | |
2071 | if (size > sizeof cmd->data) { |
2072 | bus_dmamap_sync(sc->sc_dmat, data->map, 0, totlen,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (totlen), (0x04)) |
2073 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data-> map), (0), (totlen), (0x04)); |
2074 | } else { |
2075 | bus_dmamap_sync(sc->sc_dmat, ring->cmd_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen ), (0x04)) |
2076 | (caddr_t)cmd - ring->cmd_dma.vaddr, totlen,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen ), (0x04)) |
2077 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen ), (0x04)); |
2078 | } |
2079 | bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)) |
2080 | (caddr_t)desc - ring->desc_dma.vaddr, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)) |
2081 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring-> desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof (*desc)), (0x04)); |
2082 | |
2083 | /* Kick command ring. */ |
2084 | ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT256; |
2085 | WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), (( ring->qid << 8 | ring->cur)))); |
2086 | |
2087 | return async ? 0 : tsleep_nsec(cmd, PCATCH0x100, "wpicmd", SEC_TO_NSEC(1)); |
2088 | } |
2089 | |
2090 | /* |
2091 | * Configure HW multi-rate retries. |
2092 | */ |
2093 | int |
2094 | wpi_mrr_setup(struct wpi_softc *sc) |
2095 | { |
2096 | struct ieee80211com *ic = &sc->sc_ic; |
2097 | struct wpi_mrr_setup mrr; |
2098 | int i, error; |
2099 | |
2100 | /* CCK rates (not used with 802.11a). */ |
2101 | for (i = WPI_RIDX_CCK18; i <= WPI_RIDX_CCK1111; i++) { |
2102 | mrr.rates[i].flags = 0; |
2103 | mrr.rates[i].plcp = wpi_rates[i].plcp; |
2104 | /* Fallback to the immediate lower CCK rate (if any.) */ |
2105 | mrr.rates[i].next = |
2106 | (i == WPI_RIDX_CCK18) ? WPI_RIDX_CCK18 : i - 1; |
2107 | /* Try one time at this rate before falling back to "next". */ |
2108 | mrr.rates[i].ntries = 1; |
2109 | } |
2110 | /* OFDM rates (not used with 802.11b). */ |
2111 | for (i = WPI_RIDX_OFDM60; i <= WPI_RIDX_OFDM547; i++) { |
2112 | mrr.rates[i].flags = 0; |
2113 | mrr.rates[i].plcp = wpi_rates[i].plcp; |
2114 | /* Fallback to the immediate lower rate (if any.) */ |
2115 | /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ |
2116 | mrr.rates[i].next = (i == WPI_RIDX_OFDM60) ? |
2117 | ((ic->ic_curmode == IEEE80211_MODE_11A) ? |
2118 | WPI_RIDX_OFDM60 : WPI_RIDX_CCK29) : |
2119 | i - 1; |
2120 | /* Try one time at this rate before falling back to "next". */ |
2121 | mrr.rates[i].ntries = 1; |
2122 | } |
2123 | /* Setup MRR for control frames. */ |
2124 | mrr.which = htole32(WPI_MRR_CTL)((__uint32_t)(0)); |
2125 | error = wpi_cmd(sc, WPI_CMD_MRR_SETUP71, &mrr, sizeof mrr, 0); |
2126 | if (error != 0) { |
2127 | printf("%s: could not setup MRR for control frames\n", |
2128 | sc->sc_dev.dv_xname); |
2129 | return error; |
2130 | } |
2131 | /* Setup MRR for data frames. */ |
2132 | mrr.which = htole32(WPI_MRR_DATA)((__uint32_t)(1)); |
2133 | error = wpi_cmd(sc, WPI_CMD_MRR_SETUP71, &mrr, sizeof mrr, 0); |
2134 | if (error != 0) { |
2135 | printf("%s: could not setup MRR for data frames\n", |
2136 | sc->sc_dev.dv_xname); |
2137 | return error; |
2138 | } |
2139 | return 0; |
2140 | } |
2141 | |
2142 | void |
2143 | wpi_updateedca(struct ieee80211com *ic) |
2144 | { |
2145 | #define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ |
2146 | struct wpi_softc *sc = ic->ic_softcic_ac.ac_if.if_softc; |
2147 | struct wpi_edca_params cmd; |
2148 | int aci; |
2149 | |
2150 | memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd)); |
2151 | cmd.flags = htole32(WPI_EDCA_UPDATE)((__uint32_t)((1 << 0))); |
2152 | for (aci = 0; aci < EDCA_NUM_AC4; aci++) { |
2153 | const struct ieee80211_edca_ac_params *ac = |
2154 | &ic->ic_edca_ac[aci]; |
2155 | cmd.ac[aci].aifsn = ac->ac_aifsn; |
2156 | cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->ac_ecwmin))((__uint16_t)(WPI_EXP2(ac->ac_ecwmin))); |
2157 | cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->ac_ecwmax))((__uint16_t)(WPI_EXP2(ac->ac_ecwmax))); |
2158 | cmd.ac[aci].txoplimit = |
2159 | htole16(IEEE80211_TXOP_TO_US(ac->ac_txoplimit))((__uint16_t)(((ac->ac_txoplimit) * 32))); |
2160 | } |
2161 | (void)wpi_cmd(sc, WPI_CMD_EDCA_PARAMS19, &cmd, sizeof cmd, 1); |
2162 | #undef WPI_EXP2 |
2163 | } |
2164 | |
2165 | void |
2166 | wpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) |
2167 | { |
2168 | struct wpi_cmd_led led; |
2169 | |
2170 | led.which = which; |
2171 | led.unit = htole32(100000)((__uint32_t)(100000)); /* on/off in unit of 100ms */ |
2172 | led.off = off; |
2173 | led.on = on; |
2174 | (void)wpi_cmd(sc, WPI_CMD_SET_LED72, &led, sizeof led, 1); |
2175 | } |
2176 | |
2177 | int |
2178 | wpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) |
2179 | { |
2180 | struct wpi_cmd_timing cmd; |
2181 | uint64_t val, mod; |
2182 | |
2183 | memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd)); |
2184 | memcpy(&cmd.tstamp, ni->ni_tstamp, sizeof (uint64_t))__builtin_memcpy((&cmd.tstamp), (ni->ni_tstamp), (sizeof (uint64_t))); |
2185 | cmd.bintval = htole16(ni->ni_intval)((__uint16_t)(ni->ni_intval)); |
2186 | cmd.lintval = htole16(10)((__uint16_t)(10)); |
2187 | |
2188 | /* Compute remaining time until next beacon. */ |
2189 | val = (uint64_t)ni->ni_intval * 1024; /* msecs -> usecs */ |
2190 | mod = letoh64(cmd.tstamp)((__uint64_t)(cmd.tstamp)) % val; |
2191 | cmd.binitval = htole32((uint32_t)(val - mod))((__uint32_t)((uint32_t)(val - mod))); |
2192 | |
2193 | DPRINTF(("timing bintval=%u, tstamp=%llu, init=%u\n", |
2194 | ni->ni_intval, letoh64(cmd.tstamp), (uint32_t)(val - mod))); |
2195 | |
2196 | return wpi_cmd(sc, WPI_CMD_TIMING20, &cmd, sizeof cmd, 1); |
2197 | } |
2198 | |
2199 | /* |
2200 | * This function is called periodically (every minute) to adjust TX power |
2201 | * based on temperature variation. |
2202 | */ |
2203 | void |
2204 | wpi_power_calibration(struct wpi_softc *sc) |
2205 | { |
2206 | int temp; |
2207 | |
2208 | temp = (int)WPI_READ(sc, WPI_UCODE_GP2)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x060)))); |
2209 | /* Sanity-check temperature. */ |
2210 | if (temp < -260 || temp > 25) { |
2211 | /* This can't be correct, ignore. */ |
2212 | DPRINTF(("out-of-range temperature reported: %d\n", temp)); |
2213 | return; |
2214 | } |
2215 | DPRINTF(("temperature %d->%d\n", sc->temp, temp)); |
2216 | /* Adjust TX power if need be (delta > 6). */ |
2217 | if (abs(temp - sc->temp) > 6) { |
2218 | /* Record temperature of last calibration. */ |
2219 | sc->temp = temp; |
2220 | (void)wpi_set_txpower(sc, 1); |
2221 | } |
2222 | } |
2223 | |
2224 | /* |
2225 | * Set TX power for current channel (each rate has its own power settings). |
2226 | */ |
2227 | int |
2228 | wpi_set_txpower(struct wpi_softc *sc, int async) |
2229 | { |
2230 | struct ieee80211com *ic = &sc->sc_ic; |
2231 | struct ieee80211_channel *ch; |
2232 | struct wpi_power_group *group; |
2233 | struct wpi_cmd_txpower cmd; |
2234 | u_int chan; |
2235 | int idx, i; |
2236 | |
2237 | /* Retrieve current channel from last RXON. */ |
2238 | chan = sc->rxon.chan; |
2239 | DPRINTF(("setting TX power for channel %d\n", chan)); |
2240 | ch = &ic->ic_channels[chan]; |
2241 | |
2242 | /* Find the TX power group to which this channel belongs. */ |
2243 | if (IEEE80211_IS_CHAN_5GHZ(ch)(((ch)->ic_flags & 0x0100) != 0)) { |
2244 | for (group = &sc->groups[1]; group < &sc->groups[4]; group++) |
2245 | if (chan <= group->chan) |
2246 | break; |
2247 | } else |
2248 | group = &sc->groups[0]; |
2249 | |
2250 | memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd)); |
2251 | cmd.band = IEEE80211_IS_CHAN_5GHZ(ch)(((ch)->ic_flags & 0x0100) != 0) ? 0 : 1; |
2252 | cmd.chan = htole16(chan)((__uint16_t)(chan)); |
2253 | |
2254 | /* Set TX power for all OFDM and CCK rates. */ |
2255 | for (i = 0; i <= WPI_RIDX_MAX11 ; i++) { |
2256 | /* Retrieve TX power for this channel/rate. */ |
2257 | idx = wpi_get_power_index(sc, group, ch, i); |
2258 | |
2259 | cmd.rates[i].plcp = wpi_rates[i].plcp; |
2260 | |
2261 | if (IEEE80211_IS_CHAN_5GHZ(ch)(((ch)->ic_flags & 0x0100) != 0)) { |
2262 | cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; |
2263 | cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; |
2264 | } else { |
2265 | cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; |
2266 | cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; |
2267 | } |
2268 | DPRINTF(("chan %d/rate %d: power index %d\n", chan, |
2269 | wpi_rates[i].rate, idx)); |
2270 | } |
2271 | return wpi_cmd(sc, WPI_CMD_TXPOWER151, &cmd, sizeof cmd, async); |
2272 | } |
2273 | |
2274 | /* |
2275 | * Determine TX power index for a given channel/rate combination. |
2276 | * This takes into account the regulatory information from EEPROM and the |
2277 | * current temperature. |
2278 | */ |
2279 | int |
2280 | wpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, |
2281 | struct ieee80211_channel *c, int ridx) |
2282 | { |
2283 | /* Fixed-point arithmetic division using a n-bit fractional part. */ |
2284 | #define fdivround(a, b, n) \ |
2285 | ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) |
2286 | |
2287 | /* Linear interpolation. */ |
2288 | #define interpolate(x, x1, y1, x2, y2, n) \ |
2289 | ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) |
2290 | |
2291 | struct ieee80211com *ic = &sc->sc_ic; |
2292 | struct wpi_power_sample *sample; |
2293 | int pwr, idx; |
2294 | u_int chan; |
2295 | |
2296 | /* Get channel number. */ |
2297 | chan = ieee80211_chan2ieee(ic, c); |
2298 | |
2299 | /* Default TX power is group maximum TX power minus 3dB. */ |
2300 | pwr = group->maxpwr / 2; |
2301 | |
2302 | /* Decrease TX power for highest OFDM rates to reduce distortion. */ |
2303 | switch (ridx) { |
2304 | case WPI_RIDX_OFDM365: |
2305 | pwr -= IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0) ? 0 : 5; |
2306 | break; |
2307 | case WPI_RIDX_OFDM486: |
2308 | pwr -= IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0) ? 7 : 10; |
2309 | break; |
2310 | case WPI_RIDX_OFDM547: |
2311 | pwr -= IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0) ? 9 : 12; |
2312 | break; |
2313 | } |
2314 | |
2315 | /* Never exceed the channel maximum allowed TX power. */ |
2316 | pwr = MIN(pwr, sc->maxpwr[chan])(((pwr)<(sc->maxpwr[chan]))?(pwr):(sc->maxpwr[chan]) ); |
2317 | |
2318 | /* Retrieve TX power index into gain tables from samples. */ |
2319 | for (sample = group->samples; sample < &group->samples[3]; sample++) |
2320 | if (pwr > sample[1].power) |
2321 | break; |
2322 | /* Fixed-point linear interpolation using a 19-bit fractional part. */ |
2323 | idx = interpolate(pwr, sample[0].power, sample[0].index, |
2324 | sample[1].power, sample[1].index, 19); |
2325 | |
2326 | /*- |
2327 | * Adjust power index based on current temperature: |
2328 | * - if cooler than factory-calibrated: decrease output power |
2329 | * - if warmer than factory-calibrated: increase output power |
2330 | */ |
2331 | idx -= (sc->temp - group->temp) * 11 / 100; |
2332 | |
2333 | /* Decrease TX power for CCK rates (-5dB). */ |
2334 | if (ridx >= WPI_RIDX_CCK18) |
2335 | idx += 10; |
2336 | |
2337 | /* Make sure idx stays in a valid range. */ |
2338 | if (idx < 0) |
2339 | idx = 0; |
2340 | else if (idx > WPI_MAX_PWR_INDEX77) |
2341 | idx = WPI_MAX_PWR_INDEX77; |
2342 | return idx; |
2343 | |
2344 | #undef interpolate |
2345 | #undef fdivround |
2346 | } |
2347 | |
2348 | /* |
2349 | * Set STA mode power saving level (between 0 and 5). |
2350 | * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. |
2351 | */ |
2352 | int |
2353 | wpi_set_pslevel(struct wpi_softc *sc, int dtim, int level, int async) |
2354 | { |
2355 | struct wpi_pmgt_cmd cmd; |
2356 | const struct wpi_pmgt *pmgt; |
2357 | uint32_t max, skip_dtim; |
2358 | pcireg_t reg; |
2359 | int i; |
2360 | |
2361 | /* Select which PS parameters to use. */ |
2362 | if (dtim <= 10) |
2363 | pmgt = &wpi_pmgt[0][level]; |
2364 | else |
2365 | pmgt = &wpi_pmgt[1][level]; |
2366 | |
2367 | memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd)); |
2368 | if (level != 0) /* not CAM */ |
2369 | cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP)((__uint16_t)((1 << 0))); |
2370 | /* Retrieve PCIe Active State Power Management (ASPM). */ |
2371 | reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, |
2372 | sc->sc_cap_off + PCI_PCIE_LCSR0x10); |
2373 | if (!(reg & PCI_PCIE_LCSR_ASPM_L0S0x00000001)) /* L0s Entry disabled. */ |
2374 | cmd.flags |= htole16(WPI_PS_PCI_PMGT)((__uint16_t)((1 << 3))); |
2375 | cmd.rxtimeout = htole32(pmgt->rxtimeout * 1024)((__uint32_t)(pmgt->rxtimeout * 1024)); |
2376 | cmd.txtimeout = htole32(pmgt->txtimeout * 1024)((__uint32_t)(pmgt->txtimeout * 1024)); |
2377 | |
2378 | if (dtim == 0) { |
2379 | dtim = 1; |
2380 | skip_dtim = 0; |
2381 | } else |
2382 | skip_dtim = pmgt->skip_dtim; |
2383 | if (skip_dtim != 0) { |
2384 | cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM)((__uint16_t)((1 << 2))); |
2385 | max = pmgt->intval[4]; |
2386 | if (max == (uint32_t)-1) |
2387 | max = dtim * (skip_dtim + 1); |
2388 | else if (max > dtim) |
2389 | max = (max / dtim) * dtim; |
2390 | } else |
2391 | max = dtim; |
2392 | for (i = 0; i < 5; i++) |
2393 | cmd.intval[i] = htole32(MIN(max, pmgt->intval[i]))((__uint32_t)((((max)<(pmgt->intval[i]))?(max):(pmgt-> intval[i])))); |
2394 | |
2395 | DPRINTF(("setting power saving level to %d\n", level)); |
2396 | return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE119, &cmd, sizeof cmd, async); |
2397 | } |
2398 | |
2399 | int |
2400 | wpi_config(struct wpi_softc *sc) |
2401 | { |
2402 | struct ieee80211com *ic = &sc->sc_ic; |
2403 | struct ifnet *ifp = &ic->ic_ific_ac.ac_if; |
2404 | struct wpi_bluetooth bluetooth; |
2405 | struct wpi_node_info node; |
2406 | int error; |
2407 | |
2408 | /* Set power saving level to CAM during initialization. */ |
2409 | if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { |
2410 | printf("%s: could not set power saving level\n", |
2411 | sc->sc_dev.dv_xname); |
2412 | return error; |
2413 | } |
2414 | |
2415 | /* Configure bluetooth coexistence. */ |
2416 | memset(&bluetooth, 0, sizeof bluetooth)__builtin_memset((&bluetooth), (0), (sizeof bluetooth)); |
2417 | bluetooth.flags = WPI_BT_COEX_MODE_4WIRE3; |
2418 | bluetooth.lead_time = WPI_BT_LEAD_TIME_DEF30; |
2419 | bluetooth.max_kill = WPI_BT_MAX_KILL_DEF5; |
2420 | error = wpi_cmd(sc, WPI_CMD_BT_COEX155, &bluetooth, sizeof bluetooth, 0); |
2421 | if (error != 0) { |
2422 | printf("%s: could not configure bluetooth coexistence\n", |
2423 | sc->sc_dev.dv_xname); |
2424 | return error; |
2425 | } |
2426 | |
2427 | /* Configure adapter. */ |
2428 | memset(&sc->rxon, 0, sizeof (struct wpi_rxon))__builtin_memset((&sc->rxon), (0), (sizeof (struct wpi_rxon ))); |
2429 | IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl))__builtin_memcpy((ic->ic_myaddr), (((caddr_t)((ifp->if_sadl )->sdl_data + (ifp->if_sadl)->sdl_nlen))), (6)); |
2430 | IEEE80211_ADDR_COPY(sc->rxon.myaddr, ic->ic_myaddr)__builtin_memcpy((sc->rxon.myaddr), (ic->ic_myaddr), (6 )); |
2431 | /* Set default channel. */ |
2432 | sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_ibss_chan); |
2433 | sc->rxon.flags = htole32(WPI_RXON_TSF)((__uint32_t)((1 << 15))); |
2434 | if (IEEE80211_IS_CHAN_2GHZ(ic->ic_ibss_chan)(((ic->ic_ibss_chan)->ic_flags & 0x0080) != 0)) |
2435 | sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ)((__uint32_t)((1 << 2) | (1 << 0))); |
2436 | switch (ic->ic_opmode) { |
2437 | case IEEE80211_M_STA: |
2438 | sc->rxon.mode = WPI_MODE_STA3; |
2439 | sc->rxon.filter = htole32(WPI_FILTER_MULTICAST)((__uint32_t)((1 << 2))); |
2440 | break; |
2441 | case IEEE80211_M_MONITOR: |
2442 | sc->rxon.mode = WPI_MODE_MONITOR6; |
2443 | sc->rxon.filter = htole32(WPI_FILTER_MULTICAST |((__uint32_t)((1 << 2) | (1 << 1) | (1 << 0 ))) |
2444 | WPI_FILTER_CTL | WPI_FILTER_PROMISC)((__uint32_t)((1 << 2) | (1 << 1) | (1 << 0 ))); |
2445 | break; |
2446 | default: |
2447 | /* Should not get there. */ |
2448 | break; |
2449 | } |
2450 | sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ |
2451 | sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ |
2452 | DPRINTF(("setting configuration\n")); |
2453 | error = wpi_cmd(sc, WPI_CMD_RXON16, &sc->rxon, sizeof (struct wpi_rxon), |
2454 | 0); |
2455 | if (error != 0) { |
2456 | printf("%s: RXON command failed\n", sc->sc_dev.dv_xname); |
2457 | return error; |
2458 | } |
2459 | |
2460 | /* Configuration has changed, set TX power accordingly. */ |
2461 | if ((error = wpi_set_txpower(sc, 0)) != 0) { |
2462 | printf("%s: could not set TX power\n", sc->sc_dev.dv_xname); |
2463 | return error; |
2464 | } |
2465 | |
2466 | /* Add broadcast node. */ |
2467 | memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node)); |
2468 | IEEE80211_ADDR_COPY(node.macaddr, etherbroadcastaddr)__builtin_memcpy((node.macaddr), (etherbroadcastaddr), (6)); |
2469 | node.id = WPI_ID_BROADCAST24; |
2470 | node.plcp = wpi_rates[WPI_RIDX_CCK18].plcp; |
2471 | node.action = htole32(WPI_ACTION_SET_RATE)((__uint32_t)((1 << 2))); |
2472 | node.antenna = WPI_ANTENNA_BOTH((1 << 6) | (1 << 7)); |
2473 | error = wpi_cmd(sc, WPI_CMD_ADD_NODE24, &node, sizeof node, 0); |
2474 | if (error != 0) { |
2475 | printf("%s: could not add broadcast node\n", |
2476 | sc->sc_dev.dv_xname); |
2477 | return error; |
2478 | } |
2479 | |
2480 | if ((error = wpi_mrr_setup(sc)) != 0) { |
2481 | printf("%s: could not setup MRR\n", sc->sc_dev.dv_xname); |
2482 | return error; |
2483 | } |
2484 | return 0; |
2485 | } |
2486 | |
2487 | int |
2488 | wpi_scan(struct wpi_softc *sc, uint16_t flags) |
2489 | { |
2490 | struct ieee80211com *ic = &sc->sc_ic; |
2491 | struct wpi_scan_hdr *hdr; |
2492 | struct wpi_cmd_data *tx; |
2493 | struct wpi_scan_essid *essid; |
2494 | struct wpi_scan_chan *chan; |
2495 | struct ieee80211_frame *wh; |
2496 | struct ieee80211_rateset *rs; |
2497 | struct ieee80211_channel *c; |
2498 | uint8_t *buf, *frm; |
2499 | int buflen, error; |
2500 | |
2501 | buf = malloc(WPI_SCAN_MAXSZ((1 << 11) - 4), M_DEVBUF2, M_NOWAIT0x0002 | M_ZERO0x0008); |
2502 | if (buf == NULL((void *)0)) { |
2503 | printf("%s: could not allocate buffer for scan command\n", |
2504 | sc->sc_dev.dv_xname); |
2505 | return ENOMEM12; |
2506 | } |
2507 | hdr = (struct wpi_scan_hdr *)buf; |
2508 | /* |
2509 | * Move to the next channel if no frames are received within 10ms |
2510 | * after sending the probe request. |
2511 | */ |
2512 | hdr->quiet_time = htole16(10)((__uint16_t)(10)); /* timeout in milliseconds */ |
2513 | hdr->quiet_threshold = htole16(1)((__uint16_t)(1)); /* min # of packets */ |
2514 | |
2515 | tx = (struct wpi_cmd_data *)(hdr + 1); |
2516 | tx->flags = htole32(WPI_TX_AUTO_SEQ)((__uint32_t)((1 << 13))); |
2517 | tx->id = WPI_ID_BROADCAST24; |
2518 | tx->lifetime = htole32(WPI_LIFETIME_INFINITE)((__uint32_t)(0xffffffff)); |
2519 | |
2520 | if (flags & IEEE80211_CHAN_5GHZ0x0100) { |
2521 | hdr->crc_threshold = htole16(1)((__uint16_t)(1)); |
2522 | /* Send probe requests at 6Mbps. */ |
2523 | tx->plcp = wpi_rates[WPI_RIDX_OFDM60].plcp; |
2524 | rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; |
2525 | } else { |
2526 | hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO)((__uint32_t)((1 << 0) | (1 << 2))); |
2527 | /* Send probe requests at 1Mbps. */ |
2528 | tx->plcp = wpi_rates[WPI_RIDX_CCK18].plcp; |
2529 | rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; |
2530 | } |
2531 | |
2532 | essid = (struct wpi_scan_essid *)(tx + 1); |
2533 | if (ic->ic_des_esslen != 0) { |
2534 | essid[0].id = IEEE80211_ELEMID_SSID; |
2535 | essid[0].len = ic->ic_des_esslen; |
2536 | memcpy(essid[0].data, ic->ic_des_essid, ic->ic_des_esslen)__builtin_memcpy((essid[0].data), (ic->ic_des_essid), (ic-> ic_des_esslen)); |
2537 | } |
2538 | /* |
2539 | * Build a probe request frame. Most of the following code is a |
2540 | * copy & paste of what is done in net80211. |
2541 | */ |
2542 | wh = (struct ieee80211_frame *)(essid + 4); |
2543 | wh->i_fc[0] = IEEE80211_FC0_VERSION_00x00 | IEEE80211_FC0_TYPE_MGT0x00 | |
2544 | IEEE80211_FC0_SUBTYPE_PROBE_REQ0x40; |
2545 | wh->i_fc[1] = IEEE80211_FC1_DIR_NODS0x00; |
2546 | IEEE80211_ADDR_COPY(wh->i_addr1, etherbroadcastaddr)__builtin_memcpy((wh->i_addr1), (etherbroadcastaddr), (6)); |
2547 | IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_myaddr)__builtin_memcpy((wh->i_addr2), (ic->ic_myaddr), (6)); |
2548 | IEEE80211_ADDR_COPY(wh->i_addr3, etherbroadcastaddr)__builtin_memcpy((wh->i_addr3), (etherbroadcastaddr), (6)); |
2549 | *(uint16_t *)&wh->i_dur[0] = 0; /* filled by HW */ |
2550 | *(uint16_t *)&wh->i_seq[0] = 0; /* filled by HW */ |
2551 | |
2552 | frm = (uint8_t *)(wh + 1); |
2553 | frm = ieee80211_add_ssid(frm, NULL((void *)0), 0); |
2554 | frm = ieee80211_add_rates(frm, rs); |
2555 | if (rs->rs_nrates > IEEE80211_RATE_SIZE8) |
2556 | frm = ieee80211_add_xrates(frm, rs); |
2557 | |
2558 | /* Set length of probe request. */ |
2559 | tx->len = htole16(frm - (uint8_t *)wh)((__uint16_t)(frm - (uint8_t *)wh)); |
2560 | |
2561 | chan = (struct wpi_scan_chan *)frm; |
2562 | for (c = &ic->ic_channels[1]; |
2563 | c <= &ic->ic_channels[IEEE80211_CHAN_MAX255]; c++) { |
2564 | if ((c->ic_flags & flags) != flags) |
2565 | continue; |
2566 | |
2567 | chan->chan = ieee80211_chan2ieee(ic, c); |
2568 | DPRINTFN(2, ("adding channel %d\n", chan->chan)); |
2569 | chan->flags = 0; |
2570 | if (!(c->ic_flags & IEEE80211_CHAN_PASSIVE0x0200)) |
2571 | chan->flags |= WPI_CHAN_ACTIVE(1 << 0); |
2572 | if (ic->ic_des_esslen != 0) |
2573 | chan->flags |= WPI_CHAN_NPBREQS(1)(((1 << (1)) - 1) << 1); |
2574 | chan->dsp_gain = 0x6e; |
2575 | if (IEEE80211_IS_CHAN_5GHZ(c)(((c)->ic_flags & 0x0100) != 0)) { |
2576 | chan->rf_gain = 0x3b; |
2577 | chan->active = htole16(24)((__uint16_t)(24)); |
2578 | chan->passive = htole16(110)((__uint16_t)(110)); |
2579 | } else { |
2580 | chan->rf_gain = 0x28; |
2581 | chan->active = htole16(36)((__uint16_t)(36)); |
2582 | chan->passive = htole16(120)((__uint16_t)(120)); |
2583 | } |
2584 | hdr->nchan++; |
2585 | chan++; |
2586 | } |
2587 | |
2588 | buflen = (uint8_t *)chan - buf; |
2589 | hdr->len = htole16(buflen)((__uint16_t)(buflen)); |
2590 | |
2591 | DPRINTF(("sending scan command nchan=%d\n", hdr->nchan)); |
2592 | error = wpi_cmd(sc, WPI_CMD_SCAN128, buf, buflen, 1); |
2593 | free(buf, M_DEVBUF2, WPI_SCAN_MAXSZ((1 << 11) - 4)); |
2594 | return error; |
2595 | } |
2596 | |
2597 | int |
2598 | wpi_auth(struct wpi_softc *sc) |
2599 | { |
2600 | struct ieee80211com *ic = &sc->sc_ic; |
2601 | struct ieee80211_node *ni = ic->ic_bss; |
2602 | struct wpi_node_info node; |
2603 | int error; |
2604 | |
2605 | /* Update adapter configuration. */ |
2606 | IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid)__builtin_memcpy((sc->rxon.bssid), (ni->ni_bssid), (6)); |
2607 | sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); |
2608 | sc->rxon.flags = htole32(WPI_RXON_TSF)((__uint32_t)((1 << 15))); |
2609 | if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)(((ni->ni_chan)->ic_flags & 0x0080) != 0)) |
2610 | sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ)((__uint32_t)((1 << 2) | (1 << 0))); |
2611 | if (ic->ic_flags & IEEE80211_F_SHSLOT0x00020000) |
2612 | sc->rxon.flags |= htole32(WPI_RXON_SHSLOT)((__uint32_t)((1 << 4))); |
2613 | if (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000) |
2614 | sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE)((__uint32_t)((1 << 5))); |
2615 | switch (ic->ic_curmode) { |
2616 | case IEEE80211_MODE_11A: |
2617 | sc->rxon.cck_mask = 0; |
2618 | sc->rxon.ofdm_mask = 0x15; |
2619 | break; |
2620 | case IEEE80211_MODE_11B: |
2621 | sc->rxon.cck_mask = 0x03; |
2622 | sc->rxon.ofdm_mask = 0; |
2623 | break; |
2624 | default: /* Assume 802.11b/g. */ |
2625 | sc->rxon.cck_mask = 0x0f; |
2626 | sc->rxon.ofdm_mask = 0x15; |
2627 | } |
2628 | DPRINTF(("rxon chan %d flags %x cck %x ofdm %x\n", sc->rxon.chan, |
2629 | sc->rxon.flags, sc->rxon.cck_mask, sc->rxon.ofdm_mask)); |
2630 | error = wpi_cmd(sc, WPI_CMD_RXON16, &sc->rxon, sizeof (struct wpi_rxon), |
2631 | 1); |
2632 | if (error != 0) { |
2633 | printf("%s: RXON command failed\n", sc->sc_dev.dv_xname); |
2634 | return error; |
2635 | } |
2636 | |
2637 | /* Configuration has changed, set TX power accordingly. */ |
2638 | if ((error = wpi_set_txpower(sc, 1)) != 0) { |
2639 | printf("%s: could not set TX power\n", sc->sc_dev.dv_xname); |
2640 | return error; |
2641 | } |
2642 | /* |
2643 | * Reconfiguring RXON clears the firmware nodes table so we must |
2644 | * add the broadcast node again. |
2645 | */ |
2646 | memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node)); |
2647 | IEEE80211_ADDR_COPY(node.macaddr, etherbroadcastaddr)__builtin_memcpy((node.macaddr), (etherbroadcastaddr), (6)); |
2648 | node.id = WPI_ID_BROADCAST24; |
2649 | node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? |
2650 | wpi_rates[WPI_RIDX_OFDM60].plcp : wpi_rates[WPI_RIDX_CCK18].plcp; |
2651 | node.action = htole32(WPI_ACTION_SET_RATE)((__uint32_t)((1 << 2))); |
2652 | node.antenna = WPI_ANTENNA_BOTH((1 << 6) | (1 << 7)); |
2653 | error = wpi_cmd(sc, WPI_CMD_ADD_NODE24, &node, sizeof node, 1); |
2654 | if (error != 0) { |
2655 | printf("%s: could not add broadcast node\n", |
2656 | sc->sc_dev.dv_xname); |
2657 | return error; |
2658 | } |
2659 | return 0; |
2660 | } |
2661 | |
2662 | int |
2663 | wpi_run(struct wpi_softc *sc) |
2664 | { |
2665 | struct ieee80211com *ic = &sc->sc_ic; |
2666 | struct ieee80211_node *ni = ic->ic_bss; |
2667 | struct wpi_node_info node; |
2668 | int error; |
2669 | |
2670 | if (ic->ic_opmode == IEEE80211_M_MONITOR) { |
2671 | /* Link LED blinks while monitoring. */ |
2672 | wpi_set_led(sc, WPI_LED_LINK2, 5, 5); |
2673 | return 0; |
2674 | } |
2675 | if ((error = wpi_set_timing(sc, ni)) != 0) { |
2676 | printf("%s: could not set timing\n", sc->sc_dev.dv_xname); |
2677 | return error; |
2678 | } |
2679 | |
2680 | /* Update adapter configuration. */ |
2681 | sc->rxon.associd = htole16(IEEE80211_AID(ni->ni_associd))((__uint16_t)(((ni->ni_associd) &~ 0xc000))); |
2682 | /* Short preamble and slot time are negotiated when associating. */ |
2683 | sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT)((__uint32_t)((1 << 5) | (1 << 4))); |
2684 | if (ic->ic_flags & IEEE80211_F_SHSLOT0x00020000) |
2685 | sc->rxon.flags |= htole32(WPI_RXON_SHSLOT)((__uint32_t)((1 << 4))); |
2686 | if (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000) |
2687 | sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE)((__uint32_t)((1 << 5))); |
2688 | sc->rxon.filter |= htole32(WPI_FILTER_BSS)((__uint32_t)((1 << 5))); |
2689 | DPRINTF(("rxon chan %d flags %x\n", sc->rxon.chan, sc->rxon.flags)); |
2690 | error = wpi_cmd(sc, WPI_CMD_RXON16, &sc->rxon, sizeof (struct wpi_rxon), |
2691 | 1); |
2692 | if (error != 0) { |
2693 | printf("%s: RXON command failed\n", sc->sc_dev.dv_xname); |
2694 | return error; |
2695 | } |
2696 | |
2697 | /* Configuration has changed, set TX power accordingly. */ |
2698 | if ((error = wpi_set_txpower(sc, 1)) != 0) { |
2699 | printf("%s: could not set TX power\n", sc->sc_dev.dv_xname); |
2700 | return error; |
2701 | } |
2702 | |
2703 | /* Fake a join to init the TX rate. */ |
2704 | ((struct wpi_node *)ni)->id = WPI_ID_BSS0; |
2705 | wpi_newassoc(ic, ni, 1); |
2706 | |
2707 | /* Add BSS node. */ |
2708 | memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node)); |
2709 | IEEE80211_ADDR_COPY(node.macaddr, ni->ni_bssid)__builtin_memcpy((node.macaddr), (ni->ni_bssid), (6)); |
2710 | node.id = WPI_ID_BSS0; |
2711 | node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? |
2712 | wpi_rates[WPI_RIDX_OFDM60].plcp : wpi_rates[WPI_RIDX_CCK18].plcp; |
2713 | node.action = htole32(WPI_ACTION_SET_RATE)((__uint32_t)((1 << 2))); |
2714 | node.antenna = WPI_ANTENNA_BOTH((1 << 6) | (1 << 7)); |
2715 | DPRINTF(("adding BSS node\n")); |
2716 | error = wpi_cmd(sc, WPI_CMD_ADD_NODE24, &node, sizeof node, 1); |
2717 | if (error != 0) { |
2718 | printf("%s: could not add BSS node\n", sc->sc_dev.dv_xname); |
2719 | return error; |
2720 | } |
2721 | |
2722 | /* Start periodic calibration timer. */ |
2723 | sc->calib_cnt = 0; |
2724 | timeout_add_msec(&sc->calib_to, 500); |
2725 | |
2726 | /* Link LED always on while associated. */ |
2727 | wpi_set_led(sc, WPI_LED_LINK2, 0, 1); |
2728 | |
2729 | /* Enable power-saving mode if requested by user. */ |
2730 | if (sc->sc_ic.ic_flags & IEEE80211_F_PMGTON0x00000400) |
2731 | (void)wpi_set_pslevel(sc, 0, 3, 1); |
2732 | |
2733 | return 0; |
2734 | } |
2735 | |
2736 | /* |
2737 | * We support CCMP hardware encryption/decryption of unicast frames only. |
2738 | * HW support for TKIP really sucks. We should let TKIP die anyway. |
2739 | */ |
2740 | int |
2741 | wpi_set_key(struct ieee80211com *ic, struct ieee80211_node *ni, |
2742 | struct ieee80211_key *k) |
2743 | { |
2744 | struct wpi_softc *sc = ic->ic_softcic_ac.ac_if.if_softc; |
2745 | struct wpi_node *wn = (void *)ni; |
2746 | struct wpi_node_info node; |
2747 | uint16_t kflags; |
2748 | |
2749 | if ((k->k_flags & IEEE80211_KEY_GROUP0x00000001) || |
2750 | k->k_cipher != IEEE80211_CIPHER_CCMP) |
2751 | return ieee80211_set_key(ic, ni, k); |
2752 | |
2753 | kflags = WPI_KFLAG_CCMP(1 << 1) | WPI_KFLAG_KID(k->k_id)((k->k_id) << 8); |
2754 | memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node)); |
2755 | node.id = wn->id; |
2756 | node.control = WPI_NODE_UPDATE(1 << 0); |
2757 | node.flags = WPI_FLAG_SET_KEY(1 << 0); |
2758 | node.kflags = htole16(kflags)((__uint16_t)(kflags)); |
2759 | memcpy(node.key, k->k_key, k->k_len)__builtin_memcpy((node.key), (k->k_key), (k->k_len)); |
2760 | DPRINTF(("set key id=%d for node %d\n", k->k_id, node.id)); |
2761 | return wpi_cmd(sc, WPI_CMD_ADD_NODE24, &node, sizeof node, 1); |
2762 | } |
2763 | |
2764 | void |
2765 | wpi_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni, |
2766 | struct ieee80211_key *k) |
2767 | { |
2768 | struct wpi_softc *sc = ic->ic_softcic_ac.ac_if.if_softc; |
2769 | struct wpi_node *wn = (void *)ni; |
2770 | struct wpi_node_info node; |
2771 | |
2772 | if ((k->k_flags & IEEE80211_KEY_GROUP0x00000001) || |
2773 | k->k_cipher != IEEE80211_CIPHER_CCMP) { |
2774 | /* See comment about other ciphers above. */ |
2775 | ieee80211_delete_key(ic, ni, k); |
2776 | return; |
2777 | } |
2778 | if (ic->ic_state != IEEE80211_S_RUN) |
2779 | return; /* Nothing to do. */ |
2780 | memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node)); |
2781 | node.id = wn->id; |
2782 | node.control = WPI_NODE_UPDATE(1 << 0); |
2783 | node.flags = WPI_FLAG_SET_KEY(1 << 0); |
2784 | node.kflags = 0; |
2785 | DPRINTF(("delete keys for node %d\n", node.id)); |
2786 | (void)wpi_cmd(sc, WPI_CMD_ADD_NODE24, &node, sizeof node, 1); |
2787 | } |
2788 | |
2789 | int |
2790 | wpi_post_alive(struct wpi_softc *sc) |
2791 | { |
2792 | int ntries, error; |
2793 | |
2794 | /* Check (again) that the radio is not disabled. */ |
2795 | if ((error = wpi_nic_lock(sc)) != 0) |
2796 | return error; |
2797 | /* NB: Runtime firmware must be up and running. */ |
2798 | if (!(wpi_prph_read(sc, WPI_APMG_RFKILL0x3014) & 1)) { |
2799 | printf("%s: radio is disabled by hardware switch\n", |
2800 | sc->sc_dev.dv_xname); |
2801 | wpi_nic_unlock(sc); |
2802 | return EPERM1; /* :-) */ |
2803 | } |
2804 | wpi_nic_unlock(sc); |
2805 | |
2806 | /* Wait for thermal sensor to calibrate. */ |
2807 | for (ntries = 0; ntries < 1000; ntries++) { |
2808 | if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x060))))) != 0) |
2809 | break; |
2810 | DELAY(10)(*delay_func)(10); |
2811 | } |
2812 | if (ntries == 1000) { |
2813 | printf("%s: timeout waiting for thermal sensor calibration\n", |
2814 | sc->sc_dev.dv_xname); |
2815 | return ETIMEDOUT60; |
2816 | } |
2817 | DPRINTF(("temperature %d\n", sc->temp)); |
2818 | return 0; |
2819 | } |
2820 | |
2821 | /* |
2822 | * The firmware boot code is small and is intended to be copied directly into |
2823 | * the NIC internal memory (no DMA transfer.) |
2824 | */ |
2825 | int |
2826 | wpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) |
2827 | { |
2828 | int error, ntries; |
2829 | |
2830 | size /= sizeof (uint32_t); |
2831 | |
2832 | if ((error = wpi_nic_lock(sc)) != 0) |
2833 | return error; |
2834 | |
2835 | /* Copy microcode image into NIC memory. */ |
2836 | wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE0x3800, |
2837 | (const uint32_t *)ucode, size); |
2838 | |
2839 | wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC0x3404, 0); |
2840 | wpi_prph_write(sc, WPI_BSM_WR_MEM_DST0x3408, WPI_FW_TEXT_BASE0x00000000); |
2841 | wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT0x340c, size); |
2842 | |
2843 | /* Start boot load now. */ |
2844 | wpi_prph_write(sc, WPI_BSM_WR_CTRL0x3400, WPI_BSM_WR_CTRL_START(1U << 31)); |
2845 | |
2846 | /* Wait for transfer to complete. */ |
2847 | for (ntries = 0; ntries < 1000; ntries++) { |
2848 | if (!(wpi_prph_read(sc, WPI_BSM_WR_CTRL0x3400) & |
2849 | WPI_BSM_WR_CTRL_START(1U << 31))) |
2850 | break; |
2851 | DELAY(10)(*delay_func)(10); |
2852 | } |
2853 | if (ntries == 1000) { |
2854 | printf("%s: could not load boot firmware\n", |
2855 | sc->sc_dev.dv_xname); |
2856 | wpi_nic_unlock(sc); |
2857 | return ETIMEDOUT60; |
2858 | } |
2859 | |
2860 | /* Enable boot after power up. */ |
2861 | wpi_prph_write(sc, WPI_BSM_WR_CTRL0x3400, WPI_BSM_WR_CTRL_START_EN(1U << 30)); |
2862 | |
2863 | wpi_nic_unlock(sc); |
2864 | return 0; |
2865 | } |
2866 | |
2867 | int |
2868 | wpi_load_firmware(struct wpi_softc *sc) |
2869 | { |
2870 | struct wpi_fw_info *fw = &sc->fw; |
2871 | struct wpi_dma_info *dma = &sc->fw_dma; |
2872 | int error; |
2873 | |
2874 | /* Copy initialization sections into pre-allocated DMA-safe memory. */ |
2875 | memcpy(dma->vaddr, fw->init.data, fw->init.datasz)__builtin_memcpy((dma->vaddr), (fw->init.data), (fw-> init.datasz)); |
2876 | bus_dmamap_sync(sc->sc_dmat, dma->map, 0, fw->init.datasz,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), (0), (fw->init.datasz), (0x04)) |
2877 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), (0), (fw->init.datasz), (0x04)); |
2878 | memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ,__builtin_memcpy((dma->vaddr + (32 * 1024)), (fw->init. text), (fw->init.textsz)) |
2879 | fw->init.text, fw->init.textsz)__builtin_memcpy((dma->vaddr + (32 * 1024)), (fw->init. text), (fw->init.textsz)); |
2880 | bus_dmamap_sync(sc->sc_dmat, dma->map, WPI_FW_DATA_MAXSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), ((32 * 1024)), (fw->init.textsz), (0x04)) |
2881 | fw->init.textsz, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), ((32 * 1024)), (fw->init.textsz), (0x04)); |
2882 | |
2883 | /* Tell adapter where to find initialization sections. */ |
2884 | if ((error = wpi_nic_lock(sc)) != 0) |
2885 | return error; |
2886 | wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR0x3498, dma->paddr); |
2887 | wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE0x349c, fw->init.datasz); |
2888 | wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR0x3490, |
2889 | dma->paddr + WPI_FW_DATA_MAXSZ(32 * 1024)); |
2890 | wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE0x3494, fw->init.textsz); |
2891 | wpi_nic_unlock(sc); |
2892 | |
2893 | /* Load firmware boot code. */ |
2894 | error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); |
2895 | if (error != 0) { |
2896 | printf("%s: could not load boot firmware\n", |
2897 | sc->sc_dev.dv_xname); |
2898 | return error; |
2899 | } |
2900 | /* Now press "execute". */ |
2901 | WPI_WRITE(sc, WPI_RESET, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), (( 0)))); |
2902 | |
2903 | /* Wait at most one second for first alive notification. */ |
2904 | if ((error = tsleep_nsec(sc, PCATCH0x100, "wpiinit", SEC_TO_NSEC(1))) != 0) { |
2905 | printf("%s: timeout waiting for adapter to initialize\n", |
2906 | sc->sc_dev.dv_xname); |
2907 | return error; |
2908 | } |
2909 | |
2910 | /* Copy runtime sections into pre-allocated DMA-safe memory. */ |
2911 | memcpy(dma->vaddr, fw->main.data, fw->main.datasz)__builtin_memcpy((dma->vaddr), (fw->main.data), (fw-> main.datasz)); |
2912 | bus_dmamap_sync(sc->sc_dmat, dma->map, 0, fw->main.datasz,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), (0), (fw->main.datasz), (0x04)) |
2913 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), (0), (fw->main.datasz), (0x04)); |
2914 | memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ,__builtin_memcpy((dma->vaddr + (32 * 1024)), (fw->main. text), (fw->main.textsz)) |
2915 | fw->main.text, fw->main.textsz)__builtin_memcpy((dma->vaddr + (32 * 1024)), (fw->main. text), (fw->main.textsz)); |
2916 | bus_dmamap_sync(sc->sc_dmat, dma->map, WPI_FW_DATA_MAXSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), ((32 * 1024)), (fw->main.textsz), (0x04)) |
2917 | fw->main.textsz, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma-> map), ((32 * 1024)), (fw->main.textsz), (0x04)); |
2918 | |
2919 | /* Tell adapter where to find runtime sections. */ |
2920 | if ((error = wpi_nic_lock(sc)) != 0) |
2921 | return error; |
2922 | wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR0x3498, dma->paddr); |
2923 | wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE0x349c, fw->main.datasz); |
2924 | wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR0x3490, |
2925 | dma->paddr + WPI_FW_DATA_MAXSZ(32 * 1024)); |
2926 | wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE0x3494, |
2927 | WPI_FW_UPDATED(1U << 31) | fw->main.textsz); |
2928 | wpi_nic_unlock(sc); |
2929 | |
2930 | return 0; |
2931 | } |
2932 | |
2933 | int |
2934 | wpi_read_firmware(struct wpi_softc *sc) |
2935 | { |
2936 | struct wpi_fw_info *fw = &sc->fw; |
2937 | const struct wpi_firmware_hdr *hdr; |
2938 | int error; |
2939 | |
2940 | /* Read firmware image from filesystem. */ |
2941 | if ((error = loadfirmware("wpi-3945abg", &fw->data, &fw->datalen)) != 0) { |
2942 | printf("%s: error, %d, could not read firmware %s\n", |
2943 | sc->sc_dev.dv_xname, error, "wpi-3945abg"); |
2944 | return error; |
2945 | } |
2946 | if (fw->datalen < sizeof (*hdr)) { |
2947 | printf("%s: truncated firmware header: %zu bytes\n", |
2948 | sc->sc_dev.dv_xname, fw->datalen); |
2949 | free(fw->data, M_DEVBUF2, fw->datalen); |
2950 | return EINVAL22; |
2951 | } |
2952 | /* Extract firmware header information. */ |
2953 | hdr = (struct wpi_firmware_hdr *)fw->data; |
2954 | fw->main.textsz = letoh32(hdr->main_textsz)((__uint32_t)(hdr->main_textsz)); |
2955 | fw->main.datasz = letoh32(hdr->main_datasz)((__uint32_t)(hdr->main_datasz)); |
2956 | fw->init.textsz = letoh32(hdr->init_textsz)((__uint32_t)(hdr->init_textsz)); |
2957 | fw->init.datasz = letoh32(hdr->init_datasz)((__uint32_t)(hdr->init_datasz)); |
2958 | fw->boot.textsz = letoh32(hdr->boot_textsz)((__uint32_t)(hdr->boot_textsz)); |
2959 | fw->boot.datasz = 0; |
2960 | |
2961 | /* Sanity-check firmware header. */ |
2962 | if (fw->main.textsz > WPI_FW_TEXT_MAXSZ(80 * 1024) || |
2963 | fw->main.datasz > WPI_FW_DATA_MAXSZ(32 * 1024) || |
2964 | fw->init.textsz > WPI_FW_TEXT_MAXSZ(80 * 1024) || |
2965 | fw->init.datasz > WPI_FW_DATA_MAXSZ(32 * 1024) || |
2966 | fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ1024 || |
2967 | (fw->boot.textsz & 3) != 0) { |
2968 | printf("%s: invalid firmware header\n", sc->sc_dev.dv_xname); |
2969 | free(fw->data, M_DEVBUF2, fw->datalen); |
2970 | return EINVAL22; |
2971 | } |
2972 | |
2973 | /* Check that all firmware sections fit. */ |
2974 | if (fw->datalen < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + |
2975 | fw->init.textsz + fw->init.datasz + fw->boot.textsz) { |
2976 | printf("%s: firmware file too short: %zu bytes\n", |
2977 | sc->sc_dev.dv_xname, fw->datalen); |
2978 | free(fw->data, M_DEVBUF2, fw->datalen); |
2979 | return EINVAL22; |
2980 | } |
2981 | |
2982 | /* Get pointers to firmware sections. */ |
2983 | fw->main.text = (const uint8_t *)(hdr + 1); |
2984 | fw->main.data = fw->main.text + fw->main.textsz; |
2985 | fw->init.text = fw->main.data + fw->main.datasz; |
2986 | fw->init.data = fw->init.text + fw->init.textsz; |
2987 | fw->boot.text = fw->init.data + fw->init.datasz; |
2988 | |
2989 | return 0; |
2990 | } |
2991 | |
2992 | int |
2993 | wpi_clock_wait(struct wpi_softc *sc) |
2994 | { |
2995 | int ntries; |
2996 | |
2997 | /* Set "initialization complete" bit. */ |
2998 | WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) | ( (1 << 2)))))); |
2999 | |
3000 | /* Wait for clock stabilization. */ |
3001 | for (ntries = 0; ntries < 25000; ntries++) { |
3002 | if (WPI_READ(sc, WPI_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & WPI_GP_CNTRL_MAC_CLOCK_READY(1 << 0)) |
3003 | return 0; |
3004 | DELAY(100)(*delay_func)(100); |
3005 | } |
3006 | printf("%s: timeout waiting for clock stabilization\n", |
3007 | sc->sc_dev.dv_xname); |
3008 | return ETIMEDOUT60; |
3009 | } |
3010 | |
3011 | int |
3012 | wpi_apm_init(struct wpi_softc *sc) |
3013 | { |
3014 | int error; |
3015 | |
3016 | WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x20c)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x20c)))) | ( (1 << 24)))))); |
3017 | /* Disable L0s. */ |
3018 | WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x100)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x100)))) | ( (1 << 23)))))); |
3019 | |
3020 | if ((error = wpi_clock_wait(sc)) != 0) |
3021 | return error; |
3022 | |
3023 | if ((error = wpi_nic_lock(sc)) != 0) |
3024 | return error; |
3025 | /* Enable DMA. */ |
3026 | wpi_prph_write(sc, WPI_APMG_CLK_ENA0x3004, |
3027 | WPI_APMG_CLK_DMA_CLK_RQT(1 << 9) | WPI_APMG_CLK_BSM_CLK_RQT(1 << 11)); |
3028 | DELAY(20)(*delay_func)(20); |
3029 | /* Disable L1. */ |
3030 | wpi_prph_setbits(sc, WPI_APMG_PCI_STT0x3010, WPI_APMG_PCI_STT_L1A_DIS(1 << 11)); |
3031 | wpi_nic_unlock(sc); |
3032 | |
3033 | return 0; |
3034 | } |
3035 | |
3036 | void |
3037 | wpi_apm_stop_master(struct wpi_softc *sc) |
3038 | { |
3039 | int ntries; |
3040 | |
3041 | WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) | ( (1 << 9)))))); |
3042 | |
3043 | if ((WPI_READ(sc, WPI_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & WPI_GP_CNTRL_PS_MASK(7 << 24)) == |
3044 | WPI_GP_CNTRL_MAC_PS(4 << 24)) |
3045 | return; /* Already asleep. */ |
3046 | |
3047 | for (ntries = 0; ntries < 100; ntries++) { |
3048 | if (WPI_READ(sc, WPI_RESET)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) & WPI_RESET_MASTER_DISABLED(1 << 8)) |
3049 | return; |
3050 | DELAY(10)(*delay_func)(10); |
3051 | } |
3052 | printf("%s: timeout waiting for master\n", sc->sc_dev.dv_xname); |
3053 | } |
3054 | |
3055 | void |
3056 | wpi_apm_stop(struct wpi_softc *sc) |
3057 | { |
3058 | wpi_apm_stop_master(sc); |
3059 | WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) | ( (1 << 7)))))); |
3060 | } |
3061 | |
3062 | void |
3063 | wpi_nic_config(struct wpi_softc *sc) |
3064 | { |
3065 | pcireg_t reg; |
3066 | uint8_t rev; |
3067 | |
3068 | /* Voodoo from the reference driver. */ |
3069 | reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, PCI_CLASS_REG0x08); |
3070 | rev = PCI_REVISION(reg)(((reg) >> 0) & 0xff); |
3071 | if ((rev & 0xc0) == 0x40) |
3072 | WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | ( (1 << 8)))))); |
3073 | else if (!(rev & 0x80)) |
3074 | WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | ( (1 << 9)))))); |
3075 | |
3076 | if (sc->cap == 0x80) |
3077 | WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | ( (1 << 10)))))); |
3078 | |
3079 | if ((letoh16(sc->rev)((__uint16_t)(sc->rev)) & 0xf0) == 0xd0) |
3080 | WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | ( (1 << 11)))))); |
3081 | else |
3082 | WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) & ~((1 << 11)))))); |
3083 | |
3084 | if (sc->type > 1) |
3085 | WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), (( (((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | ( (1 << 12)))))); |
3086 | } |
3087 | |
3088 | int |
3089 | wpi_hw_init(struct wpi_softc *sc) |
3090 | { |
3091 | int chnl, ntries, error; |
3092 | |
3093 | /* Clear pending interrupts. */ |
3094 | WPI_WRITE(sc, WPI_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), (( 0xffffffff)))); |
3095 | |
3096 | if ((error = wpi_apm_init(sc)) != 0) { |
3097 | printf("%s: could not power ON adapter\n", |
3098 | sc->sc_dev.dv_xname); |
3099 | return error; |
3100 | } |
3101 | |
3102 | /* Select VMAIN power source. */ |
3103 | if ((error = wpi_nic_lock(sc)) != 0) |
3104 | return error; |
3105 | wpi_prph_clrbits(sc, WPI_APMG_PS0x300c, WPI_APMG_PS_PWR_SRC_MASK(3 << 24)); |
3106 | wpi_nic_unlock(sc); |
3107 | /* Spin until VMAIN gets selected. */ |
3108 | for (ntries = 0; ntries < 5000; ntries++) { |
3109 | if (WPI_READ(sc, WPI_GPIO_IN)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x018)))) & WPI_GPIO_IN_VMAIN(1 << 9)) |
3110 | break; |
3111 | DELAY(10)(*delay_func)(10); |
3112 | } |
3113 | if (ntries == 5000) { |
3114 | printf("%s: timeout selecting power source\n", |
3115 | sc->sc_dev.dv_xname); |
3116 | return ETIMEDOUT60; |
3117 | } |
3118 | |
3119 | /* Perform adapter initialization. */ |
3120 | (void)wpi_nic_config(sc); |
3121 | |
3122 | /* Initialize RX ring. */ |
3123 | if ((error = wpi_nic_lock(sc)) != 0) |
3124 | return error; |
3125 | /* Set physical address of RX ring. */ |
3126 | WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc04)), (( sc->rxq.desc_dma.paddr)))); |
3127 | /* Set physical address of RX read pointer. */ |
3128 | WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr +(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc24)), (( sc->shared_dma.paddr + __builtin_offsetof(struct wpi_shared , next))))) |
3129 | offsetof(struct wpi_shared, next))(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc24)), (( sc->shared_dma.paddr + __builtin_offsetof(struct wpi_shared , next))))); |
3130 | WPI_WRITE(sc, WPI_FH_RX_WPTR, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc20)), (( 0)))); |
3131 | /* Enable RX. */ |
3132 | WPI_WRITE(sc, WPI_FH_RX_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3133 | WPI_FH_RX_CONFIG_DMA_ENA |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3134 | WPI_FH_RX_CONFIG_RDRBD_ENA |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3135 | WPI_FH_RX_CONFIG_WRSTATUS_ENA |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3136 | WPI_FH_RX_CONFIG_MAXFRAG |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3137 | WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3138 | WPI_FH_RX_CONFIG_IRQ_DST_HOST |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))) |
3139 | WPI_FH_RX_CONFIG_IRQ_RBTH(1))(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc00)), (( (1U << 31) | (1U << 29) | (1U << 27) | (1U << 24) | ((6) << 20) | (1U << 12) | ((1) << 4 ))))); |
3140 | (void)WPI_READ(sc, WPI_FH_RSSR_TBL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0xcc0)))); /* barrier */ |
3141 | WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xc20)), (( ((1 << 6) - 1) & ~7)))); |
3142 | wpi_nic_unlock(sc); |
3143 | |
3144 | /* Initialize TX rings. */ |
3145 | if ((error = wpi_nic_lock(sc)) != 0) |
3146 | return error; |
3147 | wpi_prph_write(sc, WPI_ALM_SCHED_MODE0x2e00, 2); /* bypass mode */ |
3148 | wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT0x2e04, 1); /* enable RA0 */ |
3149 | /* Enable all 6 TX rings. */ |
3150 | wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT0x2e10, 0x3f); |
3151 | wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE10x2e2c, 0x10000); |
3152 | wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE20x2e30, 0x30002); |
3153 | wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF0x2e14, 4); |
3154 | wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF0x2e20, 5); |
3155 | /* Set physical address of TX rings. */ |
3156 | WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xe80)), (( sc->shared_dma.paddr)))); |
3157 | WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0xe88)), (( 0xffff05a5)))); |
3158 | |
3159 | /* Enable all DMA channels. */ |
3160 | for (chnl = 0; chnl < WPI_NDMACHNLS6; chnl++) { |
3161 | WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x940 + (chnl ) * 8))), ((0)))); |
3162 | WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x944 + (chnl ) * 8))), ((0)))); |
3163 | WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0xd00 + (chnl ) * 32))), ((0x80200008)))); |
3164 | } |
3165 | wpi_nic_unlock(sc); |
3166 | (void)WPI_READ(sc, WPI_FH_TX_BASE)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0xe80)))); /* barrier */ |
3167 | |
3168 | /* Clear "radio off" and "commands blocked" bits. */ |
3169 | WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), (( (1 << 1))))); |
3170 | WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), (( (1 << 2))))); |
3171 | |
3172 | /* Clear pending interrupts. */ |
3173 | WPI_WRITE(sc, WPI_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), (( 0xffffffff)))); |
3174 | /* Enable interrupts. */ |
3175 | WPI_WRITE(sc, WPI_MASK, WPI_INT_MASK)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), (( ((1U << 25) | (1U << 29) | (1U << 27) | (1U << 31) | (1U << 0) | (1U << 1) | (1U << 3) | (1U << 7)))))); |
3176 | |
3177 | /* _Really_ make sure "radio off" bit is cleared! */ |
3178 | WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), (( (1 << 1))))); |
3179 | WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), (( (1 << 1))))); |
3180 | |
3181 | if ((error = wpi_load_firmware(sc)) != 0) { |
3182 | printf("%s: could not load firmware\n", sc->sc_dev.dv_xname); |
3183 | return error; |
3184 | } |
3185 | /* Wait at most one second for firmware alive notification. */ |
3186 | if ((error = tsleep_nsec(sc, PCATCH0x100, "wpiinit", SEC_TO_NSEC(1))) != 0) { |
3187 | printf("%s: timeout waiting for adapter to initialize\n", |
3188 | sc->sc_dev.dv_xname); |
3189 | return error; |
3190 | } |
3191 | /* Do post-firmware initialization. */ |
3192 | return wpi_post_alive(sc); |
3193 | } |
3194 | |
3195 | void |
3196 | wpi_hw_stop(struct wpi_softc *sc) |
3197 | { |
3198 | int chnl, qid, ntries; |
3199 | uint32_t tmp; |
3200 | |
3201 | WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), (( (1 << 0))))); |
3202 | |
3203 | /* Disable interrupts. */ |
3204 | WPI_WRITE(sc, WPI_MASK, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), (( 0)))); |
3205 | WPI_WRITE(sc, WPI_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), (( 0xffffffff)))); |
3206 | WPI_WRITE(sc, WPI_FH_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), (( 0xffffffff)))); |
3207 | |
3208 | /* Make sure we no longer hold the NIC lock. */ |
3209 | wpi_nic_unlock(sc); |
3210 | |
3211 | if (wpi_nic_lock(sc) == 0) { |
3212 | /* Stop TX scheduler. */ |
3213 | wpi_prph_write(sc, WPI_ALM_SCHED_MODE0x2e00, 0); |
3214 | wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT0x2e10, 0); |
3215 | |
3216 | /* Stop all DMA channels. */ |
3217 | for (chnl = 0; chnl < WPI_NDMACHNLS6; chnl++) { |
3218 | WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0xd00 + (chnl ) * 32))), ((0)))); |
3219 | for (ntries = 0; ntries < 100; ntries++) { |
3220 | tmp = WPI_READ(sc, WPI_FH_TX_STATUS)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0xe90)))); |
3221 | if ((tmp & WPI_FH_TX_STATUS_IDLE(chnl)(1 << ((chnl) + 24) | 1 << ((chnl) + 16))) == |
3222 | WPI_FH_TX_STATUS_IDLE(chnl)(1 << ((chnl) + 24) | 1 << ((chnl) + 16))) |
3223 | break; |
3224 | DELAY(10)(*delay_func)(10); |
3225 | } |
3226 | } |
3227 | wpi_nic_unlock(sc); |
3228 | } |
3229 | |
3230 | /* Stop RX ring. */ |
3231 | wpi_reset_rx_ring(sc, &sc->rxq); |
3232 | |
3233 | /* Reset all TX rings. */ |
3234 | for (qid = 0; qid < WPI_NTXQUEUES8; qid++) |
3235 | wpi_reset_tx_ring(sc, &sc->txq[qid]); |
3236 | |
3237 | if (wpi_nic_lock(sc) == 0) { |
3238 | wpi_prph_write(sc, WPI_APMG_CLK_DIS0x3008, WPI_APMG_CLK_DMA_CLK_RQT(1 << 9)); |
3239 | wpi_nic_unlock(sc); |
3240 | } |
3241 | DELAY(5)(*delay_func)(5); |
3242 | /* Power OFF adapter. */ |
3243 | wpi_apm_stop(sc); |
3244 | } |
3245 | |
3246 | int |
3247 | wpi_init(struct ifnet *ifp) |
3248 | { |
3249 | struct wpi_softc *sc = ifp->if_softc; |
3250 | struct ieee80211com *ic = &sc->sc_ic; |
3251 | int error; |
3252 | |
3253 | #ifdef notyet |
3254 | /* Check that the radio is not disabled by hardware switch. */ |
3255 | if (!(WPI_READ(sc, WPI_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & WPI_GP_CNTRL_RFKILL(1 << 27))) { |
3256 | printf("%s: radio is disabled by hardware switch\n", |
3257 | sc->sc_dev.dv_xname); |
3258 | error = EPERM1; /* :-) */ |
3259 | goto fail; |
3260 | } |
3261 | #endif |
3262 | /* Read firmware images from the filesystem. */ |
3263 | if ((error = wpi_read_firmware(sc)) != 0) { |
3264 | printf("%s: could not read firmware\n", sc->sc_dev.dv_xname); |
3265 | goto fail; |
3266 | } |
3267 | |
3268 | /* Initialize hardware and upload firmware. */ |
3269 | error = wpi_hw_init(sc); |
3270 | free(sc->fw.data, M_DEVBUF2, sc->fw.datalen); |
3271 | if (error != 0) { |
3272 | printf("%s: could not initialize hardware\n", |
3273 | sc->sc_dev.dv_xname); |
3274 | goto fail; |
3275 | } |
3276 | |
3277 | /* Configure adapter now that it is ready. */ |
3278 | if ((error = wpi_config(sc)) != 0) { |
3279 | printf("%s: could not configure device\n", |
3280 | sc->sc_dev.dv_xname); |
3281 | goto fail; |
3282 | } |
3283 | |
3284 | ifq_clr_oactive(&ifp->if_snd); |
3285 | ifp->if_flags |= IFF_RUNNING0x40; |
3286 | |
3287 | if (ic->ic_opmode != IEEE80211_M_MONITOR) |
3288 | ieee80211_begin_scan(ifp); |
3289 | else |
3290 | ieee80211_new_state(ic, IEEE80211_S_RUN, -1)(((ic)->ic_newstate)((ic), (IEEE80211_S_RUN), (-1))); |
3291 | |
3292 | return 0; |
3293 | |
3294 | fail: wpi_stop(ifp, 1); |
3295 | return error; |
3296 | } |
3297 | |
3298 | void |
3299 | wpi_stop(struct ifnet *ifp, int disable) |
3300 | { |
3301 | struct wpi_softc *sc = ifp->if_softc; |
3302 | struct ieee80211com *ic = &sc->sc_ic; |
3303 | |
3304 | ifp->if_timer = sc->sc_tx_timer = 0; |
3305 | ifp->if_flags &= ~IFF_RUNNING0x40; |
3306 | ifq_clr_oactive(&ifp->if_snd); |
3307 | |
3308 | ieee80211_new_state(ic, IEEE80211_S_INIT, -1)(((ic)->ic_newstate)((ic), (IEEE80211_S_INIT), (-1))); |
3309 | |
3310 | /* Power OFF hardware. */ |
3311 | wpi_hw_stop(sc); |
3312 | } |