4 * Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr>
5 * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
6 * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@FreeBSD.org>
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
25 * Ralink Technology RT2501USB/RT2601USB chipset driver
26 * http://www.ralinktech.com.tw/
29 #include <sys/param.h>
30 #include <sys/sockio.h>
31 #include <sys/sysctl.h>
33 #include <sys/mutex.h>
35 #include <sys/kernel.h>
36 #include <sys/socket.h>
37 #include <sys/systm.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
41 #include <sys/endian.h>
44 #include <machine/bus.h>
45 #include <machine/resource.h>
50 #include <net/if_arp.h>
51 #include <net/ethernet.h>
52 #include <net/if_dl.h>
53 #include <net/if_media.h>
54 #include <net/if_types.h>
57 #include <netinet/in.h>
58 #include <netinet/in_systm.h>
59 #include <netinet/in_var.h>
60 #include <netinet/if_ether.h>
61 #include <netinet/ip.h>
64 #include <net80211/ieee80211_var.h>
65 #include <net80211/ieee80211_regdomain.h>
66 #include <net80211/ieee80211_radiotap.h>
67 #include <net80211/ieee80211_ratectl.h>
69 #include <dev/usb/usb.h>
70 #include <dev/usb/usbdi.h>
73 #define USB_DEBUG_VAR rum_debug
74 #include <dev/usb/usb_debug.h>
76 #include <dev/usb/wlan/if_rumreg.h>
77 #include <dev/usb/wlan/if_rumvar.h>
78 #include <dev/usb/wlan/if_rumfw.h>
81 static int rum_debug = 0;
83 SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum");
84 SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RW, &rum_debug, 0,
88 static const STRUCT_USB_HOST_ID rum_devs[] = {
89 #define RUM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
90 RUM_DEV(ABOCOM, HWU54DM),
91 RUM_DEV(ABOCOM, RT2573_2),
92 RUM_DEV(ABOCOM, RT2573_3),
93 RUM_DEV(ABOCOM, RT2573_4),
94 RUM_DEV(ABOCOM, WUG2700),
95 RUM_DEV(AMIT, CGWLUSB2GO),
96 RUM_DEV(ASUS, RT2573_1),
97 RUM_DEV(ASUS, RT2573_2),
98 RUM_DEV(BELKIN, F5D7050A),
99 RUM_DEV(BELKIN, F5D9050V3),
100 RUM_DEV(CISCOLINKSYS, WUSB54GC),
101 RUM_DEV(CISCOLINKSYS, WUSB54GR),
102 RUM_DEV(CONCEPTRONIC2, C54RU2),
103 RUM_DEV(COREGA, CGWLUSB2GL),
104 RUM_DEV(COREGA, CGWLUSB2GPX),
105 RUM_DEV(DICKSMITH, CWD854F),
106 RUM_DEV(DICKSMITH, RT2573),
107 RUM_DEV(EDIMAX, EW7318USG),
108 RUM_DEV(DLINK2, DWLG122C1),
109 RUM_DEV(DLINK2, WUA1340),
110 RUM_DEV(DLINK2, DWA111),
111 RUM_DEV(DLINK2, DWA110),
112 RUM_DEV(GIGABYTE, GNWB01GS),
113 RUM_DEV(GIGABYTE, GNWI05GS),
114 RUM_DEV(GIGASET, RT2573),
115 RUM_DEV(GOODWAY, RT2573),
116 RUM_DEV(GUILLEMOT, HWGUSB254LB),
117 RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
118 RUM_DEV(HUAWEI3COM, WUB320G),
119 RUM_DEV(MELCO, G54HP),
120 RUM_DEV(MELCO, SG54HP),
121 RUM_DEV(MELCO, WLIUCG),
122 RUM_DEV(MELCO, WLRUCG),
123 RUM_DEV(MELCO, WLRUCGAOSS),
124 RUM_DEV(MSI, RT2573_1),
125 RUM_DEV(MSI, RT2573_2),
126 RUM_DEV(MSI, RT2573_3),
127 RUM_DEV(MSI, RT2573_4),
128 RUM_DEV(NOVATECH, RT2573),
129 RUM_DEV(PLANEX2, GWUS54HP),
130 RUM_DEV(PLANEX2, GWUS54MINI2),
131 RUM_DEV(PLANEX2, GWUSMM),
132 RUM_DEV(QCOM, RT2573),
133 RUM_DEV(QCOM, RT2573_2),
134 RUM_DEV(QCOM, RT2573_3),
135 RUM_DEV(RALINK, RT2573),
136 RUM_DEV(RALINK, RT2573_2),
137 RUM_DEV(RALINK, RT2671),
138 RUM_DEV(SITECOMEU, WL113R2),
139 RUM_DEV(SITECOMEU, WL172),
140 RUM_DEV(SPARKLAN, RT2573),
141 RUM_DEV(SURECOM, RT2573),
145 static device_probe_t rum_match;
146 static device_attach_t rum_attach;
147 static device_detach_t rum_detach;
149 static usb_callback_t rum_bulk_read_callback;
150 static usb_callback_t rum_bulk_write_callback;
152 static usb_error_t rum_do_request(struct rum_softc *sc,
153 struct usb_device_request *req, void *data);
154 static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
155 const char name[IFNAMSIZ], int unit, int opmode,
156 int flags, const uint8_t bssid[IEEE80211_ADDR_LEN],
157 const uint8_t mac[IEEE80211_ADDR_LEN]);
158 static void rum_vap_delete(struct ieee80211vap *);
159 static void rum_tx_free(struct rum_tx_data *, int);
160 static void rum_setup_tx_list(struct rum_softc *);
161 static void rum_unsetup_tx_list(struct rum_softc *);
162 static int rum_newstate(struct ieee80211vap *,
163 enum ieee80211_state, int);
164 static void rum_setup_tx_desc(struct rum_softc *,
165 struct rum_tx_desc *, uint32_t, uint16_t, int,
167 static int rum_tx_mgt(struct rum_softc *, struct mbuf *,
168 struct ieee80211_node *);
169 static int rum_tx_raw(struct rum_softc *, struct mbuf *,
170 struct ieee80211_node *,
171 const struct ieee80211_bpf_params *);
172 static int rum_tx_data(struct rum_softc *, struct mbuf *,
173 struct ieee80211_node *);
174 static void rum_start(struct ifnet *);
175 static int rum_ioctl(struct ifnet *, u_long, caddr_t);
176 static void rum_eeprom_read(struct rum_softc *, uint16_t, void *,
178 static uint32_t rum_read(struct rum_softc *, uint16_t);
179 static void rum_read_multi(struct rum_softc *, uint16_t, void *,
181 static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t);
182 static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *,
184 static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
185 static uint8_t rum_bbp_read(struct rum_softc *, uint8_t);
186 static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
187 static void rum_select_antenna(struct rum_softc *);
188 static void rum_enable_mrr(struct rum_softc *);
189 static void rum_set_txpreamble(struct rum_softc *);
190 static void rum_set_basicrates(struct rum_softc *);
191 static void rum_select_band(struct rum_softc *,
192 struct ieee80211_channel *);
193 static void rum_set_chan(struct rum_softc *,
194 struct ieee80211_channel *);
195 static void rum_enable_tsf_sync(struct rum_softc *);
196 static void rum_enable_tsf(struct rum_softc *);
197 static void rum_update_slot(struct ifnet *);
198 static void rum_set_bssid(struct rum_softc *, const uint8_t *);
199 static void rum_set_macaddr(struct rum_softc *, const uint8_t *);
200 static void rum_update_mcast(struct ifnet *);
201 static void rum_update_promisc(struct ifnet *);
202 static void rum_setpromisc(struct rum_softc *);
203 static const char *rum_get_rf(int);
204 static void rum_read_eeprom(struct rum_softc *);
205 static int rum_bbp_init(struct rum_softc *);
206 static void rum_init_locked(struct rum_softc *);
207 static void rum_init(void *);
208 static void rum_stop(struct rum_softc *);
209 static void rum_load_microcode(struct rum_softc *, const uint8_t *,
211 static void rum_prepare_beacon(struct rum_softc *,
212 struct ieee80211vap *);
213 static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
214 const struct ieee80211_bpf_params *);
215 static void rum_scan_start(struct ieee80211com *);
216 static void rum_scan_end(struct ieee80211com *);
217 static void rum_set_channel(struct ieee80211com *);
218 static int rum_get_rssi(struct rum_softc *, uint8_t);
219 static void rum_ratectl_start(struct rum_softc *,
220 struct ieee80211_node *);
221 static void rum_ratectl_timeout(void *);
222 static void rum_ratectl_task(void *, int);
223 static int rum_pause(struct rum_softc *, int);
225 static const struct {
229 { RT2573_TXRX_CSR0, 0x025fb032 },
230 { RT2573_TXRX_CSR1, 0x9eaa9eaf },
231 { RT2573_TXRX_CSR2, 0x8a8b8c8d },
232 { RT2573_TXRX_CSR3, 0x00858687 },
233 { RT2573_TXRX_CSR7, 0x2e31353b },
234 { RT2573_TXRX_CSR8, 0x2a2a2a2c },
235 { RT2573_TXRX_CSR15, 0x0000000f },
236 { RT2573_MAC_CSR6, 0x00000fff },
237 { RT2573_MAC_CSR8, 0x016c030a },
238 { RT2573_MAC_CSR10, 0x00000718 },
239 { RT2573_MAC_CSR12, 0x00000004 },
240 { RT2573_MAC_CSR13, 0x00007f00 },
241 { RT2573_SEC_CSR0, 0x00000000 },
242 { RT2573_SEC_CSR1, 0x00000000 },
243 { RT2573_SEC_CSR5, 0x00000000 },
244 { RT2573_PHY_CSR1, 0x000023b0 },
245 { RT2573_PHY_CSR5, 0x00040a06 },
246 { RT2573_PHY_CSR6, 0x00080606 },
247 { RT2573_PHY_CSR7, 0x00000408 },
248 { RT2573_AIFSN_CSR, 0x00002273 },
249 { RT2573_CWMIN_CSR, 0x00002344 },
250 { RT2573_CWMAX_CSR, 0x000034aa }
253 static const struct {
285 static const struct rfprog {
287 uint32_t r1, r2, r3, r4;
289 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
290 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
291 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
292 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
293 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
294 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
295 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
296 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
297 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
298 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
299 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
300 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
301 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
302 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
304 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 },
305 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 },
306 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 },
307 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 },
309 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 },
310 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 },
311 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 },
312 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
313 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
314 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
315 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
316 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
318 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
319 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
320 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
321 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
322 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
323 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
324 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
325 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
326 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
327 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
328 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
330 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
331 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
332 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
333 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
334 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
336 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
337 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
338 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
339 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
340 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
341 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
342 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
343 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
344 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
345 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
346 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
347 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
348 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
349 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
351 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 },
352 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 },
353 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 },
354 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 },
356 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 },
357 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 },
358 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 },
359 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
360 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
361 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
362 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
363 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
365 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
366 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
367 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
368 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
369 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
370 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
371 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
372 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
373 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
374 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
375 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
377 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
378 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
379 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
380 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
381 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
384 static const struct usb_config rum_config[RUM_N_TRANSFER] = {
387 .endpoint = UE_ADDR_ANY,
388 .direction = UE_DIR_OUT,
389 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
390 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
391 .callback = rum_bulk_write_callback,
392 .timeout = 5000, /* ms */
396 .endpoint = UE_ADDR_ANY,
397 .direction = UE_DIR_IN,
398 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
399 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
400 .callback = rum_bulk_read_callback,
405 rum_match(device_t self)
407 struct usb_attach_arg *uaa = device_get_ivars(self);
409 if (uaa->usb_mode != USB_MODE_HOST)
411 if (uaa->info.bConfigIndex != 0)
413 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
416 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
420 rum_attach(device_t self)
422 struct usb_attach_arg *uaa = device_get_ivars(self);
423 struct rum_softc *sc = device_get_softc(self);
424 struct ieee80211com *ic;
426 uint8_t iface_index, bands;
430 device_set_usb_desc(self);
431 sc->sc_udev = uaa->device;
434 mtx_init(&sc->sc_mtx, device_get_nameunit(self),
435 MTX_NETWORK_LOCK, MTX_DEF);
437 iface_index = RT2573_IFACE_INDEX;
438 error = usbd_transfer_setup(uaa->device, &iface_index,
439 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
441 device_printf(self, "could not allocate USB transfers, "
442 "err=%s\n", usbd_errstr(error));
447 /* retrieve RT2573 rev. no */
448 for (ntries = 0; ntries < 100; ntries++) {
449 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
451 if (rum_pause(sc, hz / 100))
455 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
460 /* retrieve MAC address and various other things from EEPROM */
463 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
464 tmp, rum_get_rf(sc->rf_rev));
466 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
469 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
471 device_printf(sc->sc_dev, "can not if_alloc()\n");
477 if_initname(ifp, "rum", device_get_unit(sc->sc_dev));
478 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
479 ifp->if_init = rum_init;
480 ifp->if_ioctl = rum_ioctl;
481 ifp->if_start = rum_start;
482 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
483 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
484 IFQ_SET_READY(&ifp->if_snd);
487 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
489 /* set device capabilities */
491 IEEE80211_C_STA /* station mode supported */
492 | IEEE80211_C_IBSS /* IBSS mode supported */
493 | IEEE80211_C_MONITOR /* monitor mode supported */
494 | IEEE80211_C_HOSTAP /* HostAp mode supported */
495 | IEEE80211_C_TXPMGT /* tx power management */
496 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
497 | IEEE80211_C_SHSLOT /* short slot time supported */
498 | IEEE80211_C_BGSCAN /* bg scanning supported */
499 | IEEE80211_C_WPA /* 802.11i */
503 setbit(&bands, IEEE80211_MODE_11B);
504 setbit(&bands, IEEE80211_MODE_11G);
505 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226)
506 setbit(&bands, IEEE80211_MODE_11A);
507 ieee80211_init_channels(ic, NULL, &bands);
509 ieee80211_ifattach(ic, sc->sc_bssid);
510 ic->ic_update_promisc = rum_update_promisc;
511 ic->ic_raw_xmit = rum_raw_xmit;
512 ic->ic_scan_start = rum_scan_start;
513 ic->ic_scan_end = rum_scan_end;
514 ic->ic_set_channel = rum_set_channel;
516 ic->ic_vap_create = rum_vap_create;
517 ic->ic_vap_delete = rum_vap_delete;
518 ic->ic_update_mcast = rum_update_mcast;
520 ieee80211_radiotap_attach(ic,
521 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
522 RT2573_TX_RADIOTAP_PRESENT,
523 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
524 RT2573_RX_RADIOTAP_PRESENT);
527 ieee80211_announce(ic);
533 return (ENXIO); /* failure */
537 rum_detach(device_t self)
539 struct rum_softc *sc = device_get_softc(self);
540 struct ifnet *ifp = sc->sc_ifp;
541 struct ieee80211com *ic;
543 /* stop all USB transfers */
544 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
546 /* free TX list, if any */
548 rum_unsetup_tx_list(sc);
553 ieee80211_ifdetach(ic);
556 mtx_destroy(&sc->sc_mtx);
562 rum_do_request(struct rum_softc *sc,
563 struct usb_device_request *req, void *data)
569 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
570 req, data, 0, NULL, 250 /* ms */);
574 DPRINTFN(1, "Control request failed, %s (retrying)\n",
576 if (rum_pause(sc, hz / 100))
582 static struct ieee80211vap *
583 rum_vap_create(struct ieee80211com *ic,
584 const char name[IFNAMSIZ], int unit, int opmode, int flags,
585 const uint8_t bssid[IEEE80211_ADDR_LEN],
586 const uint8_t mac[IEEE80211_ADDR_LEN])
588 struct rum_softc *sc = ic->ic_ifp->if_softc;
590 struct ieee80211vap *vap;
592 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
594 rvp = (struct rum_vap *) malloc(sizeof(struct rum_vap),
595 M_80211_VAP, M_NOWAIT | M_ZERO);
599 /* enable s/w bmiss handling for sta mode */
600 ieee80211_vap_setup(ic, vap, name, unit, opmode,
601 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
603 /* override state transition machine */
604 rvp->newstate = vap->iv_newstate;
605 vap->iv_newstate = rum_newstate;
607 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
608 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
609 ieee80211_ratectl_init(vap);
610 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
612 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
613 ic->ic_opmode = opmode;
618 rum_vap_delete(struct ieee80211vap *vap)
620 struct rum_vap *rvp = RUM_VAP(vap);
621 struct ieee80211com *ic = vap->iv_ic;
623 usb_callout_drain(&rvp->ratectl_ch);
624 ieee80211_draintask(ic, &rvp->ratectl_task);
625 ieee80211_ratectl_deinit(vap);
626 ieee80211_vap_detach(vap);
627 free(rvp, M_80211_VAP);
631 rum_tx_free(struct rum_tx_data *data, int txerr)
633 struct rum_softc *sc = data->sc;
635 if (data->m != NULL) {
636 if (data->m->m_flags & M_TXCB)
637 ieee80211_process_callback(data->ni, data->m,
638 txerr ? ETIMEDOUT : 0);
642 ieee80211_free_node(data->ni);
645 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
650 rum_setup_tx_list(struct rum_softc *sc)
652 struct rum_tx_data *data;
656 STAILQ_INIT(&sc->tx_q);
657 STAILQ_INIT(&sc->tx_free);
659 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
660 data = &sc->tx_data[i];
663 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
669 rum_unsetup_tx_list(struct rum_softc *sc)
671 struct rum_tx_data *data;
674 /* make sure any subsequent use of the queues will fail */
676 STAILQ_INIT(&sc->tx_q);
677 STAILQ_INIT(&sc->tx_free);
679 /* free up all node references and mbufs */
680 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
681 data = &sc->tx_data[i];
683 if (data->m != NULL) {
687 if (data->ni != NULL) {
688 ieee80211_free_node(data->ni);
695 rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
697 struct rum_vap *rvp = RUM_VAP(vap);
698 struct ieee80211com *ic = vap->iv_ic;
699 struct rum_softc *sc = ic->ic_ifp->if_softc;
700 const struct ieee80211_txparam *tp;
701 enum ieee80211_state ostate;
702 struct ieee80211_node *ni;
705 ostate = vap->iv_state;
706 DPRINTF("%s -> %s\n",
707 ieee80211_state_name[ostate],
708 ieee80211_state_name[nstate]);
710 IEEE80211_UNLOCK(ic);
712 usb_callout_stop(&rvp->ratectl_ch);
715 case IEEE80211_S_INIT:
716 if (ostate == IEEE80211_S_RUN) {
717 /* abort TSF synchronization */
718 tmp = rum_read(sc, RT2573_TXRX_CSR9);
719 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
723 case IEEE80211_S_RUN:
724 ni = ieee80211_ref_node(vap->iv_bss);
726 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
727 rum_update_slot(ic->ic_ifp);
729 rum_set_txpreamble(sc);
730 rum_set_basicrates(sc);
731 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
732 rum_set_bssid(sc, sc->sc_bssid);
735 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
736 vap->iv_opmode == IEEE80211_M_IBSS)
737 rum_prepare_beacon(sc, vap);
739 if (vap->iv_opmode != IEEE80211_M_MONITOR)
740 rum_enable_tsf_sync(sc);
744 /* enable automatic rate adaptation */
745 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
746 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
747 rum_ratectl_start(sc, ni);
748 ieee80211_free_node(ni);
755 return (rvp->newstate(vap, nstate, arg));
759 rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
761 struct rum_softc *sc = usbd_xfer_softc(xfer);
762 struct ifnet *ifp = sc->sc_ifp;
763 struct ieee80211vap *vap;
764 struct rum_tx_data *data;
766 struct usb_page_cache *pc;
770 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
772 switch (USB_GET_STATE(xfer)) {
773 case USB_ST_TRANSFERRED:
774 DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
777 data = usbd_xfer_get_priv(xfer);
778 rum_tx_free(data, 0);
779 usbd_xfer_set_priv(xfer, NULL);
782 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
787 data = STAILQ_FIRST(&sc->tx_q);
789 STAILQ_REMOVE_HEAD(&sc->tx_q, next);
792 if (m->m_pkthdr.len > (MCLBYTES + RT2573_TX_DESC_SIZE)) {
793 DPRINTFN(0, "data overflow, %u bytes\n",
795 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
797 pc = usbd_xfer_get_frame(xfer, 0);
798 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
799 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
802 vap = data->ni->ni_vap;
803 if (ieee80211_radiotap_active_vap(vap)) {
804 struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
807 tap->wt_rate = data->rate;
808 tap->wt_antenna = sc->tx_ant;
810 ieee80211_radiotap_tx(vap, m);
813 /* align end on a 4-bytes boundary */
814 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
818 DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
819 m->m_pkthdr.len, len);
821 usbd_xfer_set_frame_len(xfer, 0, len);
822 usbd_xfer_set_priv(xfer, data);
824 usbd_transfer_submit(xfer);
832 DPRINTFN(11, "transfer error, %s\n",
836 data = usbd_xfer_get_priv(xfer);
838 rum_tx_free(data, error);
839 usbd_xfer_set_priv(xfer, NULL);
842 if (error != USB_ERR_CANCELLED) {
843 if (error == USB_ERR_TIMEOUT)
844 device_printf(sc->sc_dev, "device timeout\n");
847 * Try to clear stall first, also if other
848 * errors occur, hence clearing stall
849 * introduces a 50 ms delay:
851 usbd_xfer_set_stall(xfer);
859 rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
861 struct rum_softc *sc = usbd_xfer_softc(xfer);
862 struct ifnet *ifp = sc->sc_ifp;
863 struct ieee80211com *ic = ifp->if_l2com;
864 struct ieee80211_node *ni;
865 struct mbuf *m = NULL;
866 struct usb_page_cache *pc;
871 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
873 switch (USB_GET_STATE(xfer)) {
874 case USB_ST_TRANSFERRED:
876 DPRINTFN(15, "rx done, actlen=%d\n", len);
878 if (len < RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN) {
879 DPRINTF("%s: xfer too short %d\n",
880 device_get_nameunit(sc->sc_dev), len);
885 len -= RT2573_RX_DESC_SIZE;
886 pc = usbd_xfer_get_frame(xfer, 0);
887 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
889 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
890 flags = le32toh(sc->sc_rx_desc.flags);
891 if (flags & RT2573_RX_CRC_ERROR) {
893 * This should not happen since we did not
894 * request to receive those frames when we
895 * filled RUM_TXRX_CSR2:
897 DPRINTFN(5, "PHY or CRC error\n");
902 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
904 DPRINTF("could not allocate mbuf\n");
908 usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
909 mtod(m, uint8_t *), len);
912 m->m_pkthdr.rcvif = ifp;
913 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
915 if (ieee80211_radiotap_active(ic)) {
916 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
920 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
921 (flags & RT2573_RX_OFDM) ?
922 IEEE80211_T_OFDM : IEEE80211_T_CCK);
923 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
924 tap->wr_antnoise = RT2573_NOISE_FLOOR;
925 tap->wr_antenna = sc->rx_ant;
930 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
931 usbd_transfer_submit(xfer);
934 * At the end of a USB callback it is always safe to unlock
935 * the private mutex of a device! That is why we do the
936 * "ieee80211_input" here, and not some lines up!
940 ni = ieee80211_find_rxnode(ic,
941 mtod(m, struct ieee80211_frame_min *));
943 (void) ieee80211_input(ni, m, rssi,
945 ieee80211_free_node(ni);
947 (void) ieee80211_input_all(ic, m, rssi,
950 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
951 !IFQ_IS_EMPTY(&ifp->if_snd))
957 if (error != USB_ERR_CANCELLED) {
958 /* try to clear stall first */
959 usbd_xfer_set_stall(xfer);
967 rum_plcp_signal(int rate)
970 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
978 case 108: return 0xc;
980 /* CCK rates (NB: not IEEE std, device-specific) */
986 return 0xff; /* XXX unsupported/unknown rate */
990 rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
991 uint32_t flags, uint16_t xflags, int len, int rate)
993 struct ifnet *ifp = sc->sc_ifp;
994 struct ieee80211com *ic = ifp->if_l2com;
995 uint16_t plcp_length;
998 desc->flags = htole32(flags);
999 desc->flags |= htole32(RT2573_TX_VALID);
1000 desc->flags |= htole32(len << 16);
1002 desc->xflags = htole16(xflags);
1004 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) |
1005 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10));
1007 /* setup PLCP fields */
1008 desc->plcp_signal = rum_plcp_signal(rate);
1009 desc->plcp_service = 4;
1011 len += IEEE80211_CRC_LEN;
1012 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
1013 desc->flags |= htole32(RT2573_TX_OFDM);
1015 plcp_length = len & 0xfff;
1016 desc->plcp_length_hi = plcp_length >> 6;
1017 desc->plcp_length_lo = plcp_length & 0x3f;
1019 plcp_length = (16 * len + rate - 1) / rate;
1021 remainder = (16 * len) % 22;
1022 if (remainder != 0 && remainder < 7)
1023 desc->plcp_service |= RT2573_PLCP_LENGEXT;
1025 desc->plcp_length_hi = plcp_length >> 8;
1026 desc->plcp_length_lo = plcp_length & 0xff;
1028 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
1029 desc->plcp_signal |= 0x08;
1034 rum_sendprot(struct rum_softc *sc,
1035 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
1037 struct ieee80211com *ic = ni->ni_ic;
1038 const struct ieee80211_frame *wh;
1039 struct rum_tx_data *data;
1041 int protrate, ackrate, pktlen, flags, isshort;
1044 RUM_LOCK_ASSERT(sc, MA_OWNED);
1045 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
1046 ("protection %d", prot));
1048 wh = mtod(m, const struct ieee80211_frame *);
1049 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
1051 protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
1052 ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
1054 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
1055 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
1056 + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1057 flags = RT2573_TX_MORE_FRAG;
1058 if (prot == IEEE80211_PROT_RTSCTS) {
1059 /* NB: CTS is the same size as an ACK */
1060 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1061 flags |= RT2573_TX_NEED_ACK;
1062 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
1064 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
1066 if (mprot == NULL) {
1067 /* XXX stat + msg */
1070 data = STAILQ_FIRST(&sc->tx_free);
1071 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1075 data->ni = ieee80211_ref_node(ni);
1076 data->rate = protrate;
1077 rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate);
1079 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1080 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1086 rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1088 struct ieee80211vap *vap = ni->ni_vap;
1089 struct ifnet *ifp = sc->sc_ifp;
1090 struct ieee80211com *ic = ifp->if_l2com;
1091 struct rum_tx_data *data;
1092 struct ieee80211_frame *wh;
1093 const struct ieee80211_txparam *tp;
1094 struct ieee80211_key *k;
1098 RUM_LOCK_ASSERT(sc, MA_OWNED);
1100 data = STAILQ_FIRST(&sc->tx_free);
1101 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1104 wh = mtod(m0, struct ieee80211_frame *);
1105 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1106 k = ieee80211_crypto_encap(ni, m0);
1111 wh = mtod(m0, struct ieee80211_frame *);
1114 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1116 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1117 flags |= RT2573_TX_NEED_ACK;
1119 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
1120 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1121 *(uint16_t *)wh->i_dur = htole16(dur);
1123 /* tell hardware to add timestamp for probe responses */
1125 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
1126 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
1127 flags |= RT2573_TX_TIMESTAMP;
1132 data->rate = tp->mgmtrate;
1134 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate);
1136 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
1137 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
1139 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1140 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1146 rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
1147 const struct ieee80211_bpf_params *params)
1149 struct ieee80211com *ic = ni->ni_ic;
1150 struct rum_tx_data *data;
1154 RUM_LOCK_ASSERT(sc, MA_OWNED);
1155 KASSERT(params != NULL, ("no raw xmit params"));
1157 rate = params->ibp_rate0;
1158 if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
1163 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
1164 flags |= RT2573_TX_NEED_ACK;
1165 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
1166 error = rum_sendprot(sc, m0, ni,
1167 params->ibp_flags & IEEE80211_BPF_RTS ?
1168 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
1170 if (error || sc->tx_nfree == 0) {
1174 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1177 data = STAILQ_FIRST(&sc->tx_free);
1178 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1185 /* XXX need to setup descriptor ourself */
1186 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1188 DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
1189 m0->m_pkthdr.len, rate);
1191 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1192 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1198 rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1200 struct ieee80211vap *vap = ni->ni_vap;
1201 struct ifnet *ifp = sc->sc_ifp;
1202 struct ieee80211com *ic = ifp->if_l2com;
1203 struct rum_tx_data *data;
1204 struct ieee80211_frame *wh;
1205 const struct ieee80211_txparam *tp;
1206 struct ieee80211_key *k;
1211 RUM_LOCK_ASSERT(sc, MA_OWNED);
1213 wh = mtod(m0, struct ieee80211_frame *);
1215 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
1216 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
1217 rate = tp->mcastrate;
1218 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
1219 rate = tp->ucastrate;
1221 rate = ni->ni_txrate;
1223 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1224 k = ieee80211_crypto_encap(ni, m0);
1230 /* packet header may have moved, reset our local pointer */
1231 wh = mtod(m0, struct ieee80211_frame *);
1234 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1235 int prot = IEEE80211_PROT_NONE;
1236 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
1237 prot = IEEE80211_PROT_RTSCTS;
1238 else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
1239 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
1240 prot = ic->ic_protmode;
1241 if (prot != IEEE80211_PROT_NONE) {
1242 error = rum_sendprot(sc, m0, ni, prot, rate);
1243 if (error || sc->tx_nfree == 0) {
1247 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1251 data = STAILQ_FIRST(&sc->tx_free);
1252 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1259 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1260 flags |= RT2573_TX_NEED_ACK;
1261 flags |= RT2573_TX_MORE_FRAG;
1263 dur = ieee80211_ack_duration(ic->ic_rt, rate,
1264 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1265 *(uint16_t *)wh->i_dur = htole16(dur);
1268 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1270 DPRINTFN(10, "sending frame len=%d rate=%d\n",
1271 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
1273 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1274 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1280 rum_start(struct ifnet *ifp)
1282 struct rum_softc *sc = ifp->if_softc;
1283 struct ieee80211_node *ni;
1287 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1292 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1295 if (sc->tx_nfree < RUM_TX_MINFREE) {
1296 IFQ_DRV_PREPEND(&ifp->if_snd, m);
1297 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1300 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1301 if (rum_tx_data(sc, m, ni) != 0) {
1302 ieee80211_free_node(ni);
1311 rum_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1313 struct rum_softc *sc = ifp->if_softc;
1314 struct ieee80211com *ic = ifp->if_l2com;
1315 struct ifreq *ifr = (struct ifreq *) data;
1316 int error = 0, startall = 0;
1321 if (ifp->if_flags & IFF_UP) {
1322 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1323 rum_init_locked(sc);
1328 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1333 ieee80211_start_all(ic);
1336 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1339 error = ether_ioctl(ifp, cmd, data);
1349 rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
1351 struct usb_device_request req;
1354 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1355 req.bRequest = RT2573_READ_EEPROM;
1356 USETW(req.wValue, 0);
1357 USETW(req.wIndex, addr);
1358 USETW(req.wLength, len);
1360 error = rum_do_request(sc, &req, buf);
1362 device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1363 usbd_errstr(error));
1368 rum_read(struct rum_softc *sc, uint16_t reg)
1372 rum_read_multi(sc, reg, &val, sizeof val);
1374 return le32toh(val);
1378 rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
1380 struct usb_device_request req;
1383 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1384 req.bRequest = RT2573_READ_MULTI_MAC;
1385 USETW(req.wValue, 0);
1386 USETW(req.wIndex, reg);
1387 USETW(req.wLength, len);
1389 error = rum_do_request(sc, &req, buf);
1391 device_printf(sc->sc_dev,
1392 "could not multi read MAC register: %s\n",
1393 usbd_errstr(error));
1398 rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
1400 uint32_t tmp = htole32(val);
1402 return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
1406 rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
1408 struct usb_device_request req;
1411 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1412 req.bRequest = RT2573_WRITE_MULTI_MAC;
1413 USETW(req.wValue, 0);
1414 USETW(req.wIndex, reg);
1415 USETW(req.wLength, len);
1417 error = rum_do_request(sc, &req, buf);
1419 device_printf(sc->sc_dev,
1420 "could not multi write MAC register: %s\n",
1421 usbd_errstr(error));
1427 rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
1432 DPRINTFN(2, "reg=0x%08x\n", reg);
1434 for (ntries = 0; ntries < 100; ntries++) {
1435 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1437 if (rum_pause(sc, hz / 100))
1440 if (ntries == 100) {
1441 device_printf(sc->sc_dev, "could not write to BBP\n");
1445 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
1446 rum_write(sc, RT2573_PHY_CSR3, tmp);
1450 rum_bbp_read(struct rum_softc *sc, uint8_t reg)
1455 DPRINTFN(2, "reg=0x%08x\n", reg);
1457 for (ntries = 0; ntries < 100; ntries++) {
1458 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1460 if (rum_pause(sc, hz / 100))
1463 if (ntries == 100) {
1464 device_printf(sc->sc_dev, "could not read BBP\n");
1468 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
1469 rum_write(sc, RT2573_PHY_CSR3, val);
1471 for (ntries = 0; ntries < 100; ntries++) {
1472 val = rum_read(sc, RT2573_PHY_CSR3);
1473 if (!(val & RT2573_BBP_BUSY))
1475 if (rum_pause(sc, hz / 100))
1479 device_printf(sc->sc_dev, "could not read BBP\n");
1484 rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
1489 for (ntries = 0; ntries < 100; ntries++) {
1490 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
1492 if (rum_pause(sc, hz / 100))
1495 if (ntries == 100) {
1496 device_printf(sc->sc_dev, "could not write to RF\n");
1500 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
1502 rum_write(sc, RT2573_PHY_CSR4, tmp);
1504 /* remember last written value in sc */
1505 sc->rf_regs[reg] = val;
1507 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
1511 rum_select_antenna(struct rum_softc *sc)
1513 uint8_t bbp4, bbp77;
1516 bbp4 = rum_bbp_read(sc, 4);
1517 bbp77 = rum_bbp_read(sc, 77);
1521 /* make sure Rx is disabled before switching antenna */
1522 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1523 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
1525 rum_bbp_write(sc, 4, bbp4);
1526 rum_bbp_write(sc, 77, bbp77);
1528 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1532 * Enable multi-rate retries for frames sent at OFDM rates.
1533 * In 802.11b/g mode, allow fallback to CCK rates.
1536 rum_enable_mrr(struct rum_softc *sc)
1538 struct ifnet *ifp = sc->sc_ifp;
1539 struct ieee80211com *ic = ifp->if_l2com;
1542 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1544 tmp &= ~RT2573_MRR_CCK_FALLBACK;
1545 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
1546 tmp |= RT2573_MRR_CCK_FALLBACK;
1547 tmp |= RT2573_MRR_ENABLED;
1549 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1553 rum_set_txpreamble(struct rum_softc *sc)
1555 struct ifnet *ifp = sc->sc_ifp;
1556 struct ieee80211com *ic = ifp->if_l2com;
1559 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1561 tmp &= ~RT2573_SHORT_PREAMBLE;
1562 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
1563 tmp |= RT2573_SHORT_PREAMBLE;
1565 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1569 rum_set_basicrates(struct rum_softc *sc)
1571 struct ifnet *ifp = sc->sc_ifp;
1572 struct ieee80211com *ic = ifp->if_l2com;
1574 /* update basic rate set */
1575 if (ic->ic_curmode == IEEE80211_MODE_11B) {
1576 /* 11b basic rates: 1, 2Mbps */
1577 rum_write(sc, RT2573_TXRX_CSR5, 0x3);
1578 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
1579 /* 11a basic rates: 6, 12, 24Mbps */
1580 rum_write(sc, RT2573_TXRX_CSR5, 0x150);
1582 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
1583 rum_write(sc, RT2573_TXRX_CSR5, 0xf);
1588 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference
1592 rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
1594 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
1597 /* update all BBP registers that depend on the band */
1598 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
1599 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48;
1600 if (IEEE80211_IS_CHAN_5GHZ(c)) {
1601 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
1602 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10;
1604 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1605 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1606 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
1610 rum_bbp_write(sc, 17, bbp17);
1611 rum_bbp_write(sc, 96, bbp96);
1612 rum_bbp_write(sc, 104, bbp104);
1614 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1615 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1616 rum_bbp_write(sc, 75, 0x80);
1617 rum_bbp_write(sc, 86, 0x80);
1618 rum_bbp_write(sc, 88, 0x80);
1621 rum_bbp_write(sc, 35, bbp35);
1622 rum_bbp_write(sc, 97, bbp97);
1623 rum_bbp_write(sc, 98, bbp98);
1625 tmp = rum_read(sc, RT2573_PHY_CSR0);
1626 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ);
1627 if (IEEE80211_IS_CHAN_2GHZ(c))
1628 tmp |= RT2573_PA_PE_2GHZ;
1630 tmp |= RT2573_PA_PE_5GHZ;
1631 rum_write(sc, RT2573_PHY_CSR0, tmp);
1635 rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
1637 struct ifnet *ifp = sc->sc_ifp;
1638 struct ieee80211com *ic = ifp->if_l2com;
1639 const struct rfprog *rfprog;
1640 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
1644 chan = ieee80211_chan2ieee(ic, c);
1645 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
1648 /* select the appropriate RF settings based on what EEPROM says */
1649 rfprog = (sc->rf_rev == RT2573_RF_5225 ||
1650 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
1652 /* find the settings for this channel (we know it exists) */
1653 for (i = 0; rfprog[i].chan != chan; i++);
1655 power = sc->txpow[i];
1659 } else if (power > 31) {
1660 bbp94 += power - 31;
1665 * If we are switching from the 2GHz band to the 5GHz band or
1666 * vice-versa, BBP registers need to be reprogrammed.
1668 if (c->ic_flags != ic->ic_curchan->ic_flags) {
1669 rum_select_band(sc, c);
1670 rum_select_antenna(sc);
1674 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1675 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1676 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1677 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1679 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1680 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1681 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
1682 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1684 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1685 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1686 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1687 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1689 rum_pause(sc, hz / 100);
1691 /* enable smart mode for MIMO-capable RFs */
1692 bbp3 = rum_bbp_read(sc, 3);
1694 bbp3 &= ~RT2573_SMART_MODE;
1695 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
1696 bbp3 |= RT2573_SMART_MODE;
1698 rum_bbp_write(sc, 3, bbp3);
1700 if (bbp94 != RT2573_BBPR94_DEFAULT)
1701 rum_bbp_write(sc, 94, bbp94);
1703 /* give the chip some extra time to do the switchover */
1704 rum_pause(sc, hz / 100);
1708 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS
1709 * and HostAP operating modes.
1712 rum_enable_tsf_sync(struct rum_softc *sc)
1714 struct ifnet *ifp = sc->sc_ifp;
1715 struct ieee80211com *ic = ifp->if_l2com;
1716 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1719 if (vap->iv_opmode != IEEE80211_M_STA) {
1721 * Change default 16ms TBTT adjustment to 8ms.
1722 * Must be done before enabling beacon generation.
1724 rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8);
1727 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
1729 /* set beacon interval (in 1/16ms unit) */
1730 tmp |= vap->iv_bss->ni_intval * 16;
1732 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT;
1733 if (vap->iv_opmode == IEEE80211_M_STA)
1734 tmp |= RT2573_TSF_MODE(1);
1736 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON;
1738 rum_write(sc, RT2573_TXRX_CSR9, tmp);
1742 rum_enable_tsf(struct rum_softc *sc)
1744 rum_write(sc, RT2573_TXRX_CSR9,
1745 (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) |
1746 RT2573_TSF_TICKING | RT2573_TSF_MODE(2));
1750 rum_update_slot(struct ifnet *ifp)
1752 struct rum_softc *sc = ifp->if_softc;
1753 struct ieee80211com *ic = ifp->if_l2com;
1757 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
1759 tmp = rum_read(sc, RT2573_MAC_CSR9);
1760 tmp = (tmp & ~0xff) | slottime;
1761 rum_write(sc, RT2573_MAC_CSR9, tmp);
1763 DPRINTF("setting slot time to %uus\n", slottime);
1767 rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
1771 tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24;
1772 rum_write(sc, RT2573_MAC_CSR4, tmp);
1774 tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16;
1775 rum_write(sc, RT2573_MAC_CSR5, tmp);
1779 rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
1783 tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24;
1784 rum_write(sc, RT2573_MAC_CSR2, tmp);
1786 tmp = addr[4] | addr[5] << 8 | 0xff << 16;
1787 rum_write(sc, RT2573_MAC_CSR3, tmp);
1791 rum_setpromisc(struct rum_softc *sc)
1793 struct ifnet *ifp = sc->sc_ifp;
1796 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1798 tmp &= ~RT2573_DROP_NOT_TO_ME;
1799 if (!(ifp->if_flags & IFF_PROMISC))
1800 tmp |= RT2573_DROP_NOT_TO_ME;
1802 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1804 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
1805 "entering" : "leaving");
1809 rum_update_promisc(struct ifnet *ifp)
1811 struct rum_softc *sc = ifp->if_softc;
1813 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1822 rum_update_mcast(struct ifnet *ifp)
1824 static int warning_printed;
1826 if (warning_printed == 0) {
1827 if_printf(ifp, "need to implement %s\n", __func__);
1828 warning_printed = 1;
1836 case RT2573_RF_2527: return "RT2527 (MIMO XR)";
1837 case RT2573_RF_2528: return "RT2528";
1838 case RT2573_RF_5225: return "RT5225 (MIMO XR)";
1839 case RT2573_RF_5226: return "RT5226";
1840 default: return "unknown";
1845 rum_read_eeprom(struct rum_softc *sc)
1852 /* read MAC address */
1853 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_bssid, 6);
1855 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
1857 sc->rf_rev = (val >> 11) & 0x1f;
1858 sc->hw_radio = (val >> 10) & 0x1;
1859 sc->rx_ant = (val >> 4) & 0x3;
1860 sc->tx_ant = (val >> 2) & 0x3;
1861 sc->nb_ant = val & 0x3;
1863 DPRINTF("RF revision=%d\n", sc->rf_rev);
1865 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
1867 sc->ext_5ghz_lna = (val >> 6) & 0x1;
1868 sc->ext_2ghz_lna = (val >> 4) & 0x1;
1870 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
1871 sc->ext_2ghz_lna, sc->ext_5ghz_lna);
1873 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
1875 if ((val & 0xff) != 0xff)
1876 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */
1878 /* Only [-10, 10] is valid */
1879 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
1880 sc->rssi_2ghz_corr = 0;
1882 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
1884 if ((val & 0xff) != 0xff)
1885 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */
1887 /* Only [-10, 10] is valid */
1888 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
1889 sc->rssi_5ghz_corr = 0;
1891 if (sc->ext_2ghz_lna)
1892 sc->rssi_2ghz_corr -= 14;
1893 if (sc->ext_5ghz_lna)
1894 sc->rssi_5ghz_corr -= 14;
1896 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
1897 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
1899 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
1901 if ((val & 0xff) != 0xff)
1902 sc->rffreq = val & 0xff;
1904 DPRINTF("RF freq=%d\n", sc->rffreq);
1906 /* read Tx power for all a/b/g channels */
1907 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
1908 /* XXX default Tx power for 802.11a channels */
1909 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
1911 for (i = 0; i < 14; i++)
1912 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]);
1915 /* read default values for BBP registers */
1916 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
1918 for (i = 0; i < 14; i++) {
1919 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1921 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
1922 sc->bbp_prom[i].val);
1928 rum_bbp_init(struct rum_softc *sc)
1930 #define N(a) (sizeof (a) / sizeof ((a)[0]))
1933 /* wait for BBP to be ready */
1934 for (ntries = 0; ntries < 100; ntries++) {
1935 const uint8_t val = rum_bbp_read(sc, 0);
1936 if (val != 0 && val != 0xff)
1938 if (rum_pause(sc, hz / 100))
1941 if (ntries == 100) {
1942 device_printf(sc->sc_dev, "timeout waiting for BBP\n");
1946 /* initialize BBP registers to default values */
1947 for (i = 0; i < N(rum_def_bbp); i++)
1948 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
1950 /* write vendor-specific BBP values (from EEPROM) */
1951 for (i = 0; i < 16; i++) {
1952 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1954 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
1962 rum_init_locked(struct rum_softc *sc)
1964 #define N(a) (sizeof (a) / sizeof ((a)[0]))
1965 struct ifnet *ifp = sc->sc_ifp;
1966 struct ieee80211com *ic = ifp->if_l2com;
1971 RUM_LOCK_ASSERT(sc, MA_OWNED);
1975 /* initialize MAC registers to default values */
1976 for (i = 0; i < N(rum_def_mac); i++)
1977 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
1979 /* set host ready */
1980 rum_write(sc, RT2573_MAC_CSR1, 3);
1981 rum_write(sc, RT2573_MAC_CSR1, 0);
1983 /* wait for BBP/RF to wakeup */
1984 for (ntries = 0; ntries < 100; ntries++) {
1985 if (rum_read(sc, RT2573_MAC_CSR12) & 8)
1987 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */
1988 if (rum_pause(sc, hz / 100))
1991 if (ntries == 100) {
1992 device_printf(sc->sc_dev,
1993 "timeout waiting for BBP/RF to wakeup\n");
1997 if ((error = rum_bbp_init(sc)) != 0)
2000 /* select default channel */
2001 rum_select_band(sc, ic->ic_curchan);
2002 rum_select_antenna(sc);
2003 rum_set_chan(sc, ic->ic_curchan);
2005 /* clear STA registers */
2006 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2008 rum_set_macaddr(sc, IF_LLADDR(ifp));
2010 /* initialize ASIC */
2011 rum_write(sc, RT2573_MAC_CSR1, 4);
2014 * Allocate Tx and Rx xfer queues.
2016 rum_setup_tx_list(sc);
2018 /* update Rx filter */
2019 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
2021 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
2022 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
2023 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
2025 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2026 tmp |= RT2573_DROP_TODS;
2027 if (!(ifp->if_flags & IFF_PROMISC))
2028 tmp |= RT2573_DROP_NOT_TO_ME;
2030 rum_write(sc, RT2573_TXRX_CSR0, tmp);
2032 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2033 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2034 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
2035 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
2043 rum_init(void *priv)
2045 struct rum_softc *sc = priv;
2046 struct ifnet *ifp = sc->sc_ifp;
2047 struct ieee80211com *ic = ifp->if_l2com;
2050 rum_init_locked(sc);
2053 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2054 ieee80211_start_all(ic); /* start all vap's */
2058 rum_stop(struct rum_softc *sc)
2060 struct ifnet *ifp = sc->sc_ifp;
2063 RUM_LOCK_ASSERT(sc, MA_OWNED);
2065 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
2070 * Drain the USB transfers, if not already drained:
2072 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
2073 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
2077 rum_unsetup_tx_list(sc);
2080 tmp = rum_read(sc, RT2573_TXRX_CSR0);
2081 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
2084 rum_write(sc, RT2573_MAC_CSR1, 3);
2085 rum_write(sc, RT2573_MAC_CSR1, 0);
2089 rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
2091 struct usb_device_request req;
2092 uint16_t reg = RT2573_MCU_CODE_BASE;
2095 /* copy firmware image into NIC */
2096 for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
2097 err = rum_write(sc, reg, UGETDW(ucode));
2099 /* firmware already loaded ? */
2100 device_printf(sc->sc_dev, "Firmware load "
2101 "failure! (ignored)\n");
2106 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
2107 req.bRequest = RT2573_MCU_CNTL;
2108 USETW(req.wValue, RT2573_MCU_RUN);
2109 USETW(req.wIndex, 0);
2110 USETW(req.wLength, 0);
2112 err = rum_do_request(sc, &req, NULL);
2114 device_printf(sc->sc_dev, "could not run firmware: %s\n",
2118 /* give the chip some time to boot */
2119 rum_pause(sc, hz / 8);
2123 rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
2125 struct ieee80211com *ic = vap->iv_ic;
2126 const struct ieee80211_txparam *tp;
2127 struct rum_tx_desc desc;
2130 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
2133 m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo);
2138 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
2139 rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ,
2140 m0->m_pkthdr.len, tp->mgmtrate);
2142 /* copy the first 24 bytes of Tx descriptor into NIC memory */
2143 rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24);
2145 /* copy beacon header and payload into NIC memory */
2146 rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *),
2153 rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2154 const struct ieee80211_bpf_params *params)
2156 struct ifnet *ifp = ni->ni_ic->ic_ifp;
2157 struct rum_softc *sc = ifp->if_softc;
2160 /* prevent management frames from being sent if we're not ready */
2161 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2164 ieee80211_free_node(ni);
2167 if (sc->tx_nfree < RUM_TX_MINFREE) {
2168 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2171 ieee80211_free_node(ni);
2177 if (params == NULL) {
2179 * Legacy path; interpret frame contents to decide
2180 * precisely how to send the frame.
2182 if (rum_tx_mgt(sc, m, ni) != 0)
2186 * Caller supplied explicit parameters to use in
2187 * sending the frame.
2189 if (rum_tx_raw(sc, m, ni, params) != 0)
2198 ieee80211_free_node(ni);
2203 rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
2205 struct ieee80211vap *vap = ni->ni_vap;
2206 struct rum_vap *rvp = RUM_VAP(vap);
2208 /* clear statistic registers (STA_CSR0 to STA_CSR5) */
2209 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2211 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2215 rum_ratectl_timeout(void *arg)
2217 struct rum_vap *rvp = arg;
2218 struct ieee80211vap *vap = &rvp->vap;
2219 struct ieee80211com *ic = vap->iv_ic;
2221 ieee80211_runtask(ic, &rvp->ratectl_task);
2225 rum_ratectl_task(void *arg, int pending)
2227 struct rum_vap *rvp = arg;
2228 struct ieee80211vap *vap = &rvp->vap;
2229 struct ieee80211com *ic = vap->iv_ic;
2230 struct ifnet *ifp = ic->ic_ifp;
2231 struct rum_softc *sc = ifp->if_softc;
2232 struct ieee80211_node *ni;
2237 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */
2238 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
2240 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */
2241 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */
2242 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */
2244 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail;
2246 ni = ieee80211_ref_node(vap->iv_bss);
2247 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
2248 (void) ieee80211_ratectl_rate(ni, NULL, 0);
2249 ieee80211_free_node(ni);
2251 ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */
2253 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2258 rum_scan_start(struct ieee80211com *ic)
2260 struct ifnet *ifp = ic->ic_ifp;
2261 struct rum_softc *sc = ifp->if_softc;
2265 /* abort TSF synchronization */
2266 tmp = rum_read(sc, RT2573_TXRX_CSR9);
2267 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
2268 rum_set_bssid(sc, ifp->if_broadcastaddr);
2274 rum_scan_end(struct ieee80211com *ic)
2276 struct rum_softc *sc = ic->ic_ifp->if_softc;
2279 rum_enable_tsf_sync(sc);
2280 rum_set_bssid(sc, sc->sc_bssid);
2286 rum_set_channel(struct ieee80211com *ic)
2288 struct rum_softc *sc = ic->ic_ifp->if_softc;
2291 rum_set_chan(sc, ic->ic_curchan);
2296 rum_get_rssi(struct rum_softc *sc, uint8_t raw)
2298 struct ifnet *ifp = sc->sc_ifp;
2299 struct ieee80211com *ic = ifp->if_l2com;
2302 lna = (raw >> 5) & 0x3;
2309 * NB: Since RSSI is relative to noise floor, -1 is
2310 * adequate for caller to know error happened.
2315 rssi = (2 * agc) - RT2573_NOISE_FLOOR;
2317 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
2318 rssi += sc->rssi_2ghz_corr;
2327 rssi += sc->rssi_5ghz_corr;
2329 if (!sc->ext_5ghz_lna && lna != 1)
2343 rum_pause(struct rum_softc *sc, int timeout)
2346 usb_pause_mtx(&sc->sc_mtx, timeout);
2350 static device_method_t rum_methods[] = {
2351 /* Device interface */
2352 DEVMETHOD(device_probe, rum_match),
2353 DEVMETHOD(device_attach, rum_attach),
2354 DEVMETHOD(device_detach, rum_detach),
2359 static driver_t rum_driver = {
2361 .methods = rum_methods,
2362 .size = sizeof(struct rum_softc),
2365 static devclass_t rum_devclass;
2367 DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
2368 MODULE_DEPEND(rum, wlan, 1, 1, 1);
2369 MODULE_DEPEND(rum, usb, 1, 1, 1);
2370 MODULE_VERSION(rum, 1);