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 static 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 #define N(a) ((int)(sizeof (a) / sizeof ((a)[0])))
90 static const STRUCT_USB_HOST_ID rum_devs[] = {
91 #define RUM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
92 RUM_DEV(ABOCOM, HWU54DM),
93 RUM_DEV(ABOCOM, RT2573_2),
94 RUM_DEV(ABOCOM, RT2573_3),
95 RUM_DEV(ABOCOM, RT2573_4),
96 RUM_DEV(ABOCOM, WUG2700),
97 RUM_DEV(AMIT, CGWLUSB2GO),
98 RUM_DEV(ASUS, RT2573_1),
99 RUM_DEV(ASUS, RT2573_2),
100 RUM_DEV(BELKIN, F5D7050A),
101 RUM_DEV(BELKIN, F5D9050V3),
102 RUM_DEV(CISCOLINKSYS, WUSB54GC),
103 RUM_DEV(CISCOLINKSYS, WUSB54GR),
104 RUM_DEV(CONCEPTRONIC2, C54RU2),
105 RUM_DEV(COREGA, CGWLUSB2GL),
106 RUM_DEV(COREGA, CGWLUSB2GPX),
107 RUM_DEV(DICKSMITH, CWD854F),
108 RUM_DEV(DICKSMITH, RT2573),
109 RUM_DEV(EDIMAX, EW7318USG),
110 RUM_DEV(DLINK2, DWLG122C1),
111 RUM_DEV(DLINK2, WUA1340),
112 RUM_DEV(DLINK2, DWA111),
113 RUM_DEV(DLINK2, DWA110),
114 RUM_DEV(GIGABYTE, GNWB01GS),
115 RUM_DEV(GIGABYTE, GNWI05GS),
116 RUM_DEV(GIGASET, RT2573),
117 RUM_DEV(GOODWAY, RT2573),
118 RUM_DEV(GUILLEMOT, HWGUSB254LB),
119 RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
120 RUM_DEV(HUAWEI3COM, WUB320G),
121 RUM_DEV(MELCO, G54HP),
122 RUM_DEV(MELCO, SG54HP),
123 RUM_DEV(MELCO, SG54HG),
124 RUM_DEV(MELCO, WLIUCG),
125 RUM_DEV(MELCO, WLRUCG),
126 RUM_DEV(MELCO, WLRUCGAOSS),
127 RUM_DEV(MSI, RT2573_1),
128 RUM_DEV(MSI, RT2573_2),
129 RUM_DEV(MSI, RT2573_3),
130 RUM_DEV(MSI, RT2573_4),
131 RUM_DEV(NOVATECH, RT2573),
132 RUM_DEV(PLANEX2, GWUS54HP),
133 RUM_DEV(PLANEX2, GWUS54MINI2),
134 RUM_DEV(PLANEX2, GWUSMM),
135 RUM_DEV(QCOM, RT2573),
136 RUM_DEV(QCOM, RT2573_2),
137 RUM_DEV(QCOM, RT2573_3),
138 RUM_DEV(RALINK, RT2573),
139 RUM_DEV(RALINK, RT2573_2),
140 RUM_DEV(RALINK, RT2671),
141 RUM_DEV(SITECOMEU, WL113R2),
142 RUM_DEV(SITECOMEU, WL172),
143 RUM_DEV(SPARKLAN, RT2573),
144 RUM_DEV(SURECOM, RT2573),
148 static device_probe_t rum_match;
149 static device_attach_t rum_attach;
150 static device_detach_t rum_detach;
152 static usb_callback_t rum_bulk_read_callback;
153 static usb_callback_t rum_bulk_write_callback;
155 static usb_error_t rum_do_request(struct rum_softc *sc,
156 struct usb_device_request *req, void *data);
157 static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
158 const char [IFNAMSIZ], int, enum ieee80211_opmode,
159 int, const uint8_t [IEEE80211_ADDR_LEN],
160 const uint8_t [IEEE80211_ADDR_LEN]);
161 static void rum_vap_delete(struct ieee80211vap *);
162 static void rum_tx_free(struct rum_tx_data *, int);
163 static void rum_setup_tx_list(struct rum_softc *);
164 static void rum_unsetup_tx_list(struct rum_softc *);
165 static int rum_newstate(struct ieee80211vap *,
166 enum ieee80211_state, int);
167 static void rum_setup_tx_desc(struct rum_softc *,
168 struct rum_tx_desc *, uint32_t, uint16_t, int,
170 static int rum_tx_mgt(struct rum_softc *, struct mbuf *,
171 struct ieee80211_node *);
172 static int rum_tx_raw(struct rum_softc *, struct mbuf *,
173 struct ieee80211_node *,
174 const struct ieee80211_bpf_params *);
175 static int rum_tx_data(struct rum_softc *, struct mbuf *,
176 struct ieee80211_node *);
177 static void rum_start(struct ifnet *);
178 static int rum_ioctl(struct ifnet *, u_long, caddr_t);
179 static void rum_eeprom_read(struct rum_softc *, uint16_t, void *,
181 static uint32_t rum_read(struct rum_softc *, uint16_t);
182 static void rum_read_multi(struct rum_softc *, uint16_t, void *,
184 static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t);
185 static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *,
187 static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
188 static uint8_t rum_bbp_read(struct rum_softc *, uint8_t);
189 static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
190 static void rum_select_antenna(struct rum_softc *);
191 static void rum_enable_mrr(struct rum_softc *);
192 static void rum_set_txpreamble(struct rum_softc *);
193 static void rum_set_basicrates(struct rum_softc *);
194 static void rum_select_band(struct rum_softc *,
195 struct ieee80211_channel *);
196 static void rum_set_chan(struct rum_softc *,
197 struct ieee80211_channel *);
198 static void rum_enable_tsf_sync(struct rum_softc *);
199 static void rum_enable_tsf(struct rum_softc *);
200 static void rum_update_slot(struct ifnet *);
201 static void rum_set_bssid(struct rum_softc *, const uint8_t *);
202 static void rum_set_macaddr(struct rum_softc *, const uint8_t *);
203 static void rum_update_mcast(struct ifnet *);
204 static void rum_update_promisc(struct ifnet *);
205 static void rum_setpromisc(struct rum_softc *);
206 static const char *rum_get_rf(int);
207 static void rum_read_eeprom(struct rum_softc *);
208 static int rum_bbp_init(struct rum_softc *);
209 static void rum_init_locked(struct rum_softc *);
210 static void rum_init(void *);
211 static void rum_stop(struct rum_softc *);
212 static void rum_load_microcode(struct rum_softc *, const uint8_t *,
214 static void rum_prepare_beacon(struct rum_softc *,
215 struct ieee80211vap *);
216 static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
217 const struct ieee80211_bpf_params *);
218 static void rum_scan_start(struct ieee80211com *);
219 static void rum_scan_end(struct ieee80211com *);
220 static void rum_set_channel(struct ieee80211com *);
221 static int rum_get_rssi(struct rum_softc *, uint8_t);
222 static void rum_ratectl_start(struct rum_softc *,
223 struct ieee80211_node *);
224 static void rum_ratectl_timeout(void *);
225 static void rum_ratectl_task(void *, int);
226 static int rum_pause(struct rum_softc *, int);
228 static const struct {
232 { RT2573_TXRX_CSR0, 0x025fb032 },
233 { RT2573_TXRX_CSR1, 0x9eaa9eaf },
234 { RT2573_TXRX_CSR2, 0x8a8b8c8d },
235 { RT2573_TXRX_CSR3, 0x00858687 },
236 { RT2573_TXRX_CSR7, 0x2e31353b },
237 { RT2573_TXRX_CSR8, 0x2a2a2a2c },
238 { RT2573_TXRX_CSR15, 0x0000000f },
239 { RT2573_MAC_CSR6, 0x00000fff },
240 { RT2573_MAC_CSR8, 0x016c030a },
241 { RT2573_MAC_CSR10, 0x00000718 },
242 { RT2573_MAC_CSR12, 0x00000004 },
243 { RT2573_MAC_CSR13, 0x00007f00 },
244 { RT2573_SEC_CSR0, 0x00000000 },
245 { RT2573_SEC_CSR1, 0x00000000 },
246 { RT2573_SEC_CSR5, 0x00000000 },
247 { RT2573_PHY_CSR1, 0x000023b0 },
248 { RT2573_PHY_CSR5, 0x00040a06 },
249 { RT2573_PHY_CSR6, 0x00080606 },
250 { RT2573_PHY_CSR7, 0x00000408 },
251 { RT2573_AIFSN_CSR, 0x00002273 },
252 { RT2573_CWMIN_CSR, 0x00002344 },
253 { RT2573_CWMAX_CSR, 0x000034aa }
256 static const struct {
288 static const struct rfprog {
290 uint32_t r1, r2, r3, r4;
292 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
293 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
294 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
295 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
296 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
297 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
298 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
299 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
300 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
301 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
302 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
303 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
304 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
305 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
307 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 },
308 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 },
309 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 },
310 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 },
312 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 },
313 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 },
314 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 },
315 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
316 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
317 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
318 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
319 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
321 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
322 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
323 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
324 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
325 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
326 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
327 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
328 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
329 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
330 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
331 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
333 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
334 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
335 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
336 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
337 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
339 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
340 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
341 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
342 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
343 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
344 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
345 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
346 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
347 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
348 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
349 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
350 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
351 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
352 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
354 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 },
355 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 },
356 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 },
357 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 },
359 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 },
360 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 },
361 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 },
362 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
363 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
364 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
365 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
366 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
368 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
369 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
370 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
371 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
372 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
373 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
374 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
375 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
376 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
377 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
378 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
380 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
381 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
382 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
383 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
384 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
387 static const struct usb_config rum_config[RUM_N_TRANSFER] = {
390 .endpoint = UE_ADDR_ANY,
391 .direction = UE_DIR_OUT,
392 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
393 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
394 .callback = rum_bulk_write_callback,
395 .timeout = 5000, /* ms */
399 .endpoint = UE_ADDR_ANY,
400 .direction = UE_DIR_IN,
401 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
402 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
403 .callback = rum_bulk_read_callback,
408 rum_match(device_t self)
410 struct usb_attach_arg *uaa = device_get_ivars(self);
412 if (uaa->usb_mode != USB_MODE_HOST)
414 if (uaa->info.bConfigIndex != 0)
416 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
419 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
423 rum_attach(device_t self)
425 struct usb_attach_arg *uaa = device_get_ivars(self);
426 struct rum_softc *sc = device_get_softc(self);
427 struct ieee80211com *ic;
429 uint8_t iface_index, bands;
433 device_set_usb_desc(self);
434 sc->sc_udev = uaa->device;
437 mtx_init(&sc->sc_mtx, device_get_nameunit(self),
438 MTX_NETWORK_LOCK, MTX_DEF);
440 iface_index = RT2573_IFACE_INDEX;
441 error = usbd_transfer_setup(uaa->device, &iface_index,
442 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
444 device_printf(self, "could not allocate USB transfers, "
445 "err=%s\n", usbd_errstr(error));
450 /* retrieve RT2573 rev. no */
451 for (ntries = 0; ntries < 100; ntries++) {
452 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
454 if (rum_pause(sc, hz / 100))
458 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
463 /* retrieve MAC address and various other things from EEPROM */
466 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
467 tmp, rum_get_rf(sc->rf_rev));
469 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
472 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
474 device_printf(sc->sc_dev, "can not if_alloc()\n");
480 if_initname(ifp, "rum", device_get_unit(sc->sc_dev));
481 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
482 ifp->if_init = rum_init;
483 ifp->if_ioctl = rum_ioctl;
484 ifp->if_start = rum_start;
485 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
486 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
487 IFQ_SET_READY(&ifp->if_snd);
490 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
492 /* set device capabilities */
494 IEEE80211_C_STA /* station mode supported */
495 | IEEE80211_C_IBSS /* IBSS mode supported */
496 | IEEE80211_C_MONITOR /* monitor mode supported */
497 | IEEE80211_C_HOSTAP /* HostAp mode supported */
498 | IEEE80211_C_TXPMGT /* tx power management */
499 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
500 | IEEE80211_C_SHSLOT /* short slot time supported */
501 | IEEE80211_C_BGSCAN /* bg scanning supported */
502 | IEEE80211_C_WPA /* 802.11i */
506 setbit(&bands, IEEE80211_MODE_11B);
507 setbit(&bands, IEEE80211_MODE_11G);
508 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226)
509 setbit(&bands, IEEE80211_MODE_11A);
510 ieee80211_init_channels(ic, NULL, &bands);
512 ieee80211_ifattach(ic, sc->sc_bssid);
513 ic->ic_update_promisc = rum_update_promisc;
514 ic->ic_raw_xmit = rum_raw_xmit;
515 ic->ic_scan_start = rum_scan_start;
516 ic->ic_scan_end = rum_scan_end;
517 ic->ic_set_channel = rum_set_channel;
519 ic->ic_vap_create = rum_vap_create;
520 ic->ic_vap_delete = rum_vap_delete;
521 ic->ic_update_mcast = rum_update_mcast;
523 ieee80211_radiotap_attach(ic,
524 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
525 RT2573_TX_RADIOTAP_PRESENT,
526 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
527 RT2573_RX_RADIOTAP_PRESENT);
530 ieee80211_announce(ic);
536 return (ENXIO); /* failure */
540 rum_detach(device_t self)
542 struct rum_softc *sc = device_get_softc(self);
543 struct ifnet *ifp = sc->sc_ifp;
544 struct ieee80211com *ic;
546 /* stop all USB transfers */
547 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
549 /* free TX list, if any */
551 rum_unsetup_tx_list(sc);
556 ieee80211_ifdetach(ic);
559 mtx_destroy(&sc->sc_mtx);
565 rum_do_request(struct rum_softc *sc,
566 struct usb_device_request *req, void *data)
572 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
573 req, data, 0, NULL, 250 /* ms */);
577 DPRINTFN(1, "Control request failed, %s (retrying)\n",
579 if (rum_pause(sc, hz / 100))
585 static struct ieee80211vap *
586 rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
587 enum ieee80211_opmode opmode, int flags,
588 const uint8_t bssid[IEEE80211_ADDR_LEN],
589 const uint8_t mac[IEEE80211_ADDR_LEN])
591 struct rum_softc *sc = ic->ic_ifp->if_softc;
593 struct ieee80211vap *vap;
595 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
597 rvp = (struct rum_vap *) malloc(sizeof(struct rum_vap),
598 M_80211_VAP, M_NOWAIT | M_ZERO);
602 /* enable s/w bmiss handling for sta mode */
603 ieee80211_vap_setup(ic, vap, name, unit, opmode,
604 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
606 /* override state transition machine */
607 rvp->newstate = vap->iv_newstate;
608 vap->iv_newstate = rum_newstate;
610 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
611 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
612 ieee80211_ratectl_init(vap);
613 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
615 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
616 ic->ic_opmode = opmode;
621 rum_vap_delete(struct ieee80211vap *vap)
623 struct rum_vap *rvp = RUM_VAP(vap);
624 struct ieee80211com *ic = vap->iv_ic;
626 usb_callout_drain(&rvp->ratectl_ch);
627 ieee80211_draintask(ic, &rvp->ratectl_task);
628 ieee80211_ratectl_deinit(vap);
629 ieee80211_vap_detach(vap);
630 free(rvp, M_80211_VAP);
634 rum_tx_free(struct rum_tx_data *data, int txerr)
636 struct rum_softc *sc = data->sc;
638 if (data->m != NULL) {
639 if (data->m->m_flags & M_TXCB)
640 ieee80211_process_callback(data->ni, data->m,
641 txerr ? ETIMEDOUT : 0);
645 ieee80211_free_node(data->ni);
648 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
653 rum_setup_tx_list(struct rum_softc *sc)
655 struct rum_tx_data *data;
659 STAILQ_INIT(&sc->tx_q);
660 STAILQ_INIT(&sc->tx_free);
662 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
663 data = &sc->tx_data[i];
666 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
672 rum_unsetup_tx_list(struct rum_softc *sc)
674 struct rum_tx_data *data;
677 /* make sure any subsequent use of the queues will fail */
679 STAILQ_INIT(&sc->tx_q);
680 STAILQ_INIT(&sc->tx_free);
682 /* free up all node references and mbufs */
683 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
684 data = &sc->tx_data[i];
686 if (data->m != NULL) {
690 if (data->ni != NULL) {
691 ieee80211_free_node(data->ni);
698 rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
700 struct rum_vap *rvp = RUM_VAP(vap);
701 struct ieee80211com *ic = vap->iv_ic;
702 struct rum_softc *sc = ic->ic_ifp->if_softc;
703 const struct ieee80211_txparam *tp;
704 enum ieee80211_state ostate;
705 struct ieee80211_node *ni;
708 ostate = vap->iv_state;
709 DPRINTF("%s -> %s\n",
710 ieee80211_state_name[ostate],
711 ieee80211_state_name[nstate]);
713 IEEE80211_UNLOCK(ic);
715 usb_callout_stop(&rvp->ratectl_ch);
718 case IEEE80211_S_INIT:
719 if (ostate == IEEE80211_S_RUN) {
720 /* abort TSF synchronization */
721 tmp = rum_read(sc, RT2573_TXRX_CSR9);
722 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
726 case IEEE80211_S_RUN:
727 ni = ieee80211_ref_node(vap->iv_bss);
729 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
730 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) {
733 ieee80211_free_node(ni);
736 rum_update_slot(ic->ic_ifp);
738 rum_set_txpreamble(sc);
739 rum_set_basicrates(sc);
740 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
741 rum_set_bssid(sc, sc->sc_bssid);
744 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
745 vap->iv_opmode == IEEE80211_M_IBSS)
746 rum_prepare_beacon(sc, vap);
748 if (vap->iv_opmode != IEEE80211_M_MONITOR)
749 rum_enable_tsf_sync(sc);
753 /* enable automatic rate adaptation */
754 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
755 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
756 rum_ratectl_start(sc, ni);
757 ieee80211_free_node(ni);
764 return (rvp->newstate(vap, nstate, arg));
768 rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
770 struct rum_softc *sc = usbd_xfer_softc(xfer);
771 struct ifnet *ifp = sc->sc_ifp;
772 struct ieee80211vap *vap;
773 struct rum_tx_data *data;
775 struct usb_page_cache *pc;
779 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
781 switch (USB_GET_STATE(xfer)) {
782 case USB_ST_TRANSFERRED:
783 DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
786 data = usbd_xfer_get_priv(xfer);
787 rum_tx_free(data, 0);
788 usbd_xfer_set_priv(xfer, NULL);
791 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
796 data = STAILQ_FIRST(&sc->tx_q);
798 STAILQ_REMOVE_HEAD(&sc->tx_q, next);
801 if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) {
802 DPRINTFN(0, "data overflow, %u bytes\n",
804 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
806 pc = usbd_xfer_get_frame(xfer, 0);
807 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
808 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
811 vap = data->ni->ni_vap;
812 if (ieee80211_radiotap_active_vap(vap)) {
813 struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
816 tap->wt_rate = data->rate;
817 tap->wt_antenna = sc->tx_ant;
819 ieee80211_radiotap_tx(vap, m);
822 /* align end on a 4-bytes boundary */
823 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
827 DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
828 m->m_pkthdr.len, len);
830 usbd_xfer_set_frame_len(xfer, 0, len);
831 usbd_xfer_set_priv(xfer, data);
833 usbd_transfer_submit(xfer);
841 DPRINTFN(11, "transfer error, %s\n",
845 data = usbd_xfer_get_priv(xfer);
847 rum_tx_free(data, error);
848 usbd_xfer_set_priv(xfer, NULL);
851 if (error != USB_ERR_CANCELLED) {
852 if (error == USB_ERR_TIMEOUT)
853 device_printf(sc->sc_dev, "device timeout\n");
856 * Try to clear stall first, also if other
857 * errors occur, hence clearing stall
858 * introduces a 50 ms delay:
860 usbd_xfer_set_stall(xfer);
868 rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
870 struct rum_softc *sc = usbd_xfer_softc(xfer);
871 struct ifnet *ifp = sc->sc_ifp;
872 struct ieee80211com *ic = ifp->if_l2com;
873 struct ieee80211_node *ni;
874 struct mbuf *m = NULL;
875 struct usb_page_cache *pc;
880 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
882 switch (USB_GET_STATE(xfer)) {
883 case USB_ST_TRANSFERRED:
885 DPRINTFN(15, "rx done, actlen=%d\n", len);
887 if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) {
888 DPRINTF("%s: xfer too short %d\n",
889 device_get_nameunit(sc->sc_dev), len);
894 len -= RT2573_RX_DESC_SIZE;
895 pc = usbd_xfer_get_frame(xfer, 0);
896 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
898 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
899 flags = le32toh(sc->sc_rx_desc.flags);
900 if (flags & RT2573_RX_CRC_ERROR) {
902 * This should not happen since we did not
903 * request to receive those frames when we
904 * filled RUM_TXRX_CSR2:
906 DPRINTFN(5, "PHY or CRC error\n");
911 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
913 DPRINTF("could not allocate mbuf\n");
917 usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
918 mtod(m, uint8_t *), len);
921 m->m_pkthdr.rcvif = ifp;
922 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
924 if (ieee80211_radiotap_active(ic)) {
925 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
929 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
930 (flags & RT2573_RX_OFDM) ?
931 IEEE80211_T_OFDM : IEEE80211_T_CCK);
932 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
933 tap->wr_antnoise = RT2573_NOISE_FLOOR;
934 tap->wr_antenna = sc->rx_ant;
939 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
940 usbd_transfer_submit(xfer);
943 * At the end of a USB callback it is always safe to unlock
944 * the private mutex of a device! That is why we do the
945 * "ieee80211_input" here, and not some lines up!
949 ni = ieee80211_find_rxnode(ic,
950 mtod(m, struct ieee80211_frame_min *));
952 (void) ieee80211_input(ni, m, rssi,
954 ieee80211_free_node(ni);
956 (void) ieee80211_input_all(ic, m, rssi,
959 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
960 !IFQ_IS_EMPTY(&ifp->if_snd))
966 if (error != USB_ERR_CANCELLED) {
967 /* try to clear stall first */
968 usbd_xfer_set_stall(xfer);
976 rum_plcp_signal(int rate)
979 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
987 case 108: return 0xc;
989 /* CCK rates (NB: not IEEE std, device-specific) */
995 return 0xff; /* XXX unsupported/unknown rate */
999 rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
1000 uint32_t flags, uint16_t xflags, int len, int rate)
1002 struct ifnet *ifp = sc->sc_ifp;
1003 struct ieee80211com *ic = ifp->if_l2com;
1004 uint16_t plcp_length;
1007 desc->flags = htole32(flags);
1008 desc->flags |= htole32(RT2573_TX_VALID);
1009 desc->flags |= htole32(len << 16);
1011 desc->xflags = htole16(xflags);
1013 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) |
1014 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10));
1016 /* setup PLCP fields */
1017 desc->plcp_signal = rum_plcp_signal(rate);
1018 desc->plcp_service = 4;
1020 len += IEEE80211_CRC_LEN;
1021 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
1022 desc->flags |= htole32(RT2573_TX_OFDM);
1024 plcp_length = len & 0xfff;
1025 desc->plcp_length_hi = plcp_length >> 6;
1026 desc->plcp_length_lo = plcp_length & 0x3f;
1028 plcp_length = (16 * len + rate - 1) / rate;
1030 remainder = (16 * len) % 22;
1031 if (remainder != 0 && remainder < 7)
1032 desc->plcp_service |= RT2573_PLCP_LENGEXT;
1034 desc->plcp_length_hi = plcp_length >> 8;
1035 desc->plcp_length_lo = plcp_length & 0xff;
1037 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
1038 desc->plcp_signal |= 0x08;
1043 rum_sendprot(struct rum_softc *sc,
1044 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
1046 struct ieee80211com *ic = ni->ni_ic;
1047 const struct ieee80211_frame *wh;
1048 struct rum_tx_data *data;
1050 int protrate, ackrate, pktlen, flags, isshort;
1053 RUM_LOCK_ASSERT(sc, MA_OWNED);
1054 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
1055 ("protection %d", prot));
1057 wh = mtod(m, const struct ieee80211_frame *);
1058 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
1060 protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
1061 ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
1063 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
1064 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
1065 + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1066 flags = RT2573_TX_MORE_FRAG;
1067 if (prot == IEEE80211_PROT_RTSCTS) {
1068 /* NB: CTS is the same size as an ACK */
1069 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1070 flags |= RT2573_TX_NEED_ACK;
1071 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
1073 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
1075 if (mprot == NULL) {
1076 /* XXX stat + msg */
1079 data = STAILQ_FIRST(&sc->tx_free);
1080 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1084 data->ni = ieee80211_ref_node(ni);
1085 data->rate = protrate;
1086 rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate);
1088 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1089 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1095 rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1097 struct ieee80211vap *vap = ni->ni_vap;
1098 struct ifnet *ifp = sc->sc_ifp;
1099 struct ieee80211com *ic = ifp->if_l2com;
1100 struct rum_tx_data *data;
1101 struct ieee80211_frame *wh;
1102 const struct ieee80211_txparam *tp;
1103 struct ieee80211_key *k;
1107 RUM_LOCK_ASSERT(sc, MA_OWNED);
1109 data = STAILQ_FIRST(&sc->tx_free);
1110 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1113 wh = mtod(m0, struct ieee80211_frame *);
1114 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1115 k = ieee80211_crypto_encap(ni, m0);
1120 wh = mtod(m0, struct ieee80211_frame *);
1123 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1125 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1126 flags |= RT2573_TX_NEED_ACK;
1128 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
1129 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1130 *(uint16_t *)wh->i_dur = htole16(dur);
1132 /* tell hardware to add timestamp for probe responses */
1134 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
1135 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
1136 flags |= RT2573_TX_TIMESTAMP;
1141 data->rate = tp->mgmtrate;
1143 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate);
1145 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
1146 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
1148 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1149 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1155 rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
1156 const struct ieee80211_bpf_params *params)
1158 struct ieee80211com *ic = ni->ni_ic;
1159 struct rum_tx_data *data;
1163 RUM_LOCK_ASSERT(sc, MA_OWNED);
1164 KASSERT(params != NULL, ("no raw xmit params"));
1166 rate = params->ibp_rate0;
1167 if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
1172 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
1173 flags |= RT2573_TX_NEED_ACK;
1174 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
1175 error = rum_sendprot(sc, m0, ni,
1176 params->ibp_flags & IEEE80211_BPF_RTS ?
1177 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
1179 if (error || sc->tx_nfree == 0) {
1183 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1186 data = STAILQ_FIRST(&sc->tx_free);
1187 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1194 /* XXX need to setup descriptor ourself */
1195 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1197 DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
1198 m0->m_pkthdr.len, rate);
1200 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1201 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1207 rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1209 struct ieee80211vap *vap = ni->ni_vap;
1210 struct ifnet *ifp = sc->sc_ifp;
1211 struct ieee80211com *ic = ifp->if_l2com;
1212 struct rum_tx_data *data;
1213 struct ieee80211_frame *wh;
1214 const struct ieee80211_txparam *tp;
1215 struct ieee80211_key *k;
1220 RUM_LOCK_ASSERT(sc, MA_OWNED);
1222 wh = mtod(m0, struct ieee80211_frame *);
1224 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
1225 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
1226 rate = tp->mcastrate;
1227 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
1228 rate = tp->ucastrate;
1230 rate = ni->ni_txrate;
1232 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1233 k = ieee80211_crypto_encap(ni, m0);
1239 /* packet header may have moved, reset our local pointer */
1240 wh = mtod(m0, struct ieee80211_frame *);
1243 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1244 int prot = IEEE80211_PROT_NONE;
1245 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
1246 prot = IEEE80211_PROT_RTSCTS;
1247 else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
1248 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
1249 prot = ic->ic_protmode;
1250 if (prot != IEEE80211_PROT_NONE) {
1251 error = rum_sendprot(sc, m0, ni, prot, rate);
1252 if (error || sc->tx_nfree == 0) {
1256 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1260 data = STAILQ_FIRST(&sc->tx_free);
1261 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1268 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1269 flags |= RT2573_TX_NEED_ACK;
1270 flags |= RT2573_TX_MORE_FRAG;
1272 dur = ieee80211_ack_duration(ic->ic_rt, rate,
1273 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1274 *(uint16_t *)wh->i_dur = htole16(dur);
1277 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1279 DPRINTFN(10, "sending frame len=%d rate=%d\n",
1280 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
1282 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1283 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1289 rum_start(struct ifnet *ifp)
1291 struct rum_softc *sc = ifp->if_softc;
1292 struct ieee80211_node *ni;
1296 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1301 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1304 if (sc->tx_nfree < RUM_TX_MINFREE) {
1305 IFQ_DRV_PREPEND(&ifp->if_snd, m);
1306 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1309 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1310 if (rum_tx_data(sc, m, ni) != 0) {
1311 ieee80211_free_node(ni);
1320 rum_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1322 struct rum_softc *sc = ifp->if_softc;
1323 struct ieee80211com *ic = ifp->if_l2com;
1324 struct ifreq *ifr = (struct ifreq *) data;
1325 int error = 0, startall = 0;
1330 if (ifp->if_flags & IFF_UP) {
1331 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1332 rum_init_locked(sc);
1337 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1342 ieee80211_start_all(ic);
1345 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1348 error = ether_ioctl(ifp, cmd, data);
1358 rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
1360 struct usb_device_request req;
1363 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1364 req.bRequest = RT2573_READ_EEPROM;
1365 USETW(req.wValue, 0);
1366 USETW(req.wIndex, addr);
1367 USETW(req.wLength, len);
1369 error = rum_do_request(sc, &req, buf);
1371 device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1372 usbd_errstr(error));
1377 rum_read(struct rum_softc *sc, uint16_t reg)
1381 rum_read_multi(sc, reg, &val, sizeof val);
1383 return le32toh(val);
1387 rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
1389 struct usb_device_request req;
1392 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1393 req.bRequest = RT2573_READ_MULTI_MAC;
1394 USETW(req.wValue, 0);
1395 USETW(req.wIndex, reg);
1396 USETW(req.wLength, len);
1398 error = rum_do_request(sc, &req, buf);
1400 device_printf(sc->sc_dev,
1401 "could not multi read MAC register: %s\n",
1402 usbd_errstr(error));
1407 rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
1409 uint32_t tmp = htole32(val);
1411 return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
1415 rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
1417 struct usb_device_request req;
1421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1422 req.bRequest = RT2573_WRITE_MULTI_MAC;
1423 USETW(req.wValue, 0);
1425 /* write at most 64 bytes at a time */
1426 for (offset = 0; offset < len; offset += 64) {
1427 USETW(req.wIndex, reg + offset);
1428 USETW(req.wLength, MIN(len - offset, 64));
1430 error = rum_do_request(sc, &req, (char *)buf + offset);
1432 device_printf(sc->sc_dev,
1433 "could not multi write MAC register: %s\n",
1434 usbd_errstr(error));
1439 return (USB_ERR_NORMAL_COMPLETION);
1443 rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
1448 DPRINTFN(2, "reg=0x%08x\n", reg);
1450 for (ntries = 0; ntries < 100; ntries++) {
1451 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1453 if (rum_pause(sc, hz / 100))
1456 if (ntries == 100) {
1457 device_printf(sc->sc_dev, "could not write to BBP\n");
1461 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
1462 rum_write(sc, RT2573_PHY_CSR3, tmp);
1466 rum_bbp_read(struct rum_softc *sc, uint8_t reg)
1471 DPRINTFN(2, "reg=0x%08x\n", reg);
1473 for (ntries = 0; ntries < 100; ntries++) {
1474 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1476 if (rum_pause(sc, hz / 100))
1479 if (ntries == 100) {
1480 device_printf(sc->sc_dev, "could not read BBP\n");
1484 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
1485 rum_write(sc, RT2573_PHY_CSR3, val);
1487 for (ntries = 0; ntries < 100; ntries++) {
1488 val = rum_read(sc, RT2573_PHY_CSR3);
1489 if (!(val & RT2573_BBP_BUSY))
1491 if (rum_pause(sc, hz / 100))
1495 device_printf(sc->sc_dev, "could not read BBP\n");
1500 rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
1505 for (ntries = 0; ntries < 100; ntries++) {
1506 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
1508 if (rum_pause(sc, hz / 100))
1511 if (ntries == 100) {
1512 device_printf(sc->sc_dev, "could not write to RF\n");
1516 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
1518 rum_write(sc, RT2573_PHY_CSR4, tmp);
1520 /* remember last written value in sc */
1521 sc->rf_regs[reg] = val;
1523 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
1527 rum_select_antenna(struct rum_softc *sc)
1529 uint8_t bbp4, bbp77;
1532 bbp4 = rum_bbp_read(sc, 4);
1533 bbp77 = rum_bbp_read(sc, 77);
1537 /* make sure Rx is disabled before switching antenna */
1538 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1539 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
1541 rum_bbp_write(sc, 4, bbp4);
1542 rum_bbp_write(sc, 77, bbp77);
1544 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1548 * Enable multi-rate retries for frames sent at OFDM rates.
1549 * In 802.11b/g mode, allow fallback to CCK rates.
1552 rum_enable_mrr(struct rum_softc *sc)
1554 struct ifnet *ifp = sc->sc_ifp;
1555 struct ieee80211com *ic = ifp->if_l2com;
1558 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1560 tmp &= ~RT2573_MRR_CCK_FALLBACK;
1561 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
1562 tmp |= RT2573_MRR_CCK_FALLBACK;
1563 tmp |= RT2573_MRR_ENABLED;
1565 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1569 rum_set_txpreamble(struct rum_softc *sc)
1571 struct ifnet *ifp = sc->sc_ifp;
1572 struct ieee80211com *ic = ifp->if_l2com;
1575 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1577 tmp &= ~RT2573_SHORT_PREAMBLE;
1578 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
1579 tmp |= RT2573_SHORT_PREAMBLE;
1581 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1585 rum_set_basicrates(struct rum_softc *sc)
1587 struct ifnet *ifp = sc->sc_ifp;
1588 struct ieee80211com *ic = ifp->if_l2com;
1590 /* update basic rate set */
1591 if (ic->ic_curmode == IEEE80211_MODE_11B) {
1592 /* 11b basic rates: 1, 2Mbps */
1593 rum_write(sc, RT2573_TXRX_CSR5, 0x3);
1594 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
1595 /* 11a basic rates: 6, 12, 24Mbps */
1596 rum_write(sc, RT2573_TXRX_CSR5, 0x150);
1598 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
1599 rum_write(sc, RT2573_TXRX_CSR5, 0xf);
1604 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference
1608 rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
1610 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
1613 /* update all BBP registers that depend on the band */
1614 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
1615 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48;
1616 if (IEEE80211_IS_CHAN_5GHZ(c)) {
1617 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
1618 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10;
1620 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1621 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1622 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
1626 rum_bbp_write(sc, 17, bbp17);
1627 rum_bbp_write(sc, 96, bbp96);
1628 rum_bbp_write(sc, 104, bbp104);
1630 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1631 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1632 rum_bbp_write(sc, 75, 0x80);
1633 rum_bbp_write(sc, 86, 0x80);
1634 rum_bbp_write(sc, 88, 0x80);
1637 rum_bbp_write(sc, 35, bbp35);
1638 rum_bbp_write(sc, 97, bbp97);
1639 rum_bbp_write(sc, 98, bbp98);
1641 tmp = rum_read(sc, RT2573_PHY_CSR0);
1642 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ);
1643 if (IEEE80211_IS_CHAN_2GHZ(c))
1644 tmp |= RT2573_PA_PE_2GHZ;
1646 tmp |= RT2573_PA_PE_5GHZ;
1647 rum_write(sc, RT2573_PHY_CSR0, tmp);
1651 rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
1653 struct ifnet *ifp = sc->sc_ifp;
1654 struct ieee80211com *ic = ifp->if_l2com;
1655 const struct rfprog *rfprog;
1656 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
1660 chan = ieee80211_chan2ieee(ic, c);
1661 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
1664 /* select the appropriate RF settings based on what EEPROM says */
1665 rfprog = (sc->rf_rev == RT2573_RF_5225 ||
1666 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
1668 /* find the settings for this channel (we know it exists) */
1669 for (i = 0; rfprog[i].chan != chan; i++);
1671 power = sc->txpow[i];
1675 } else if (power > 31) {
1676 bbp94 += power - 31;
1681 * If we are switching from the 2GHz band to the 5GHz band or
1682 * vice-versa, BBP registers need to be reprogrammed.
1684 if (c->ic_flags != ic->ic_curchan->ic_flags) {
1685 rum_select_band(sc, c);
1686 rum_select_antenna(sc);
1690 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1691 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1692 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1693 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1695 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1696 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1697 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
1698 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1700 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1701 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1702 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1703 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1705 rum_pause(sc, hz / 100);
1707 /* enable smart mode for MIMO-capable RFs */
1708 bbp3 = rum_bbp_read(sc, 3);
1710 bbp3 &= ~RT2573_SMART_MODE;
1711 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
1712 bbp3 |= RT2573_SMART_MODE;
1714 rum_bbp_write(sc, 3, bbp3);
1716 if (bbp94 != RT2573_BBPR94_DEFAULT)
1717 rum_bbp_write(sc, 94, bbp94);
1719 /* give the chip some extra time to do the switchover */
1720 rum_pause(sc, hz / 100);
1724 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS
1725 * and HostAP operating modes.
1728 rum_enable_tsf_sync(struct rum_softc *sc)
1730 struct ifnet *ifp = sc->sc_ifp;
1731 struct ieee80211com *ic = ifp->if_l2com;
1732 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1735 if (vap->iv_opmode != IEEE80211_M_STA) {
1737 * Change default 16ms TBTT adjustment to 8ms.
1738 * Must be done before enabling beacon generation.
1740 rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8);
1743 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
1745 /* set beacon interval (in 1/16ms unit) */
1746 tmp |= vap->iv_bss->ni_intval * 16;
1748 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT;
1749 if (vap->iv_opmode == IEEE80211_M_STA)
1750 tmp |= RT2573_TSF_MODE(1);
1752 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON;
1754 rum_write(sc, RT2573_TXRX_CSR9, tmp);
1758 rum_enable_tsf(struct rum_softc *sc)
1760 rum_write(sc, RT2573_TXRX_CSR9,
1761 (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) |
1762 RT2573_TSF_TICKING | RT2573_TSF_MODE(2));
1766 rum_update_slot(struct ifnet *ifp)
1768 struct rum_softc *sc = ifp->if_softc;
1769 struct ieee80211com *ic = ifp->if_l2com;
1773 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
1775 tmp = rum_read(sc, RT2573_MAC_CSR9);
1776 tmp = (tmp & ~0xff) | slottime;
1777 rum_write(sc, RT2573_MAC_CSR9, tmp);
1779 DPRINTF("setting slot time to %uus\n", slottime);
1783 rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
1787 tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24;
1788 rum_write(sc, RT2573_MAC_CSR4, tmp);
1790 tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16;
1791 rum_write(sc, RT2573_MAC_CSR5, tmp);
1795 rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
1799 tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24;
1800 rum_write(sc, RT2573_MAC_CSR2, tmp);
1802 tmp = addr[4] | addr[5] << 8 | 0xff << 16;
1803 rum_write(sc, RT2573_MAC_CSR3, tmp);
1807 rum_setpromisc(struct rum_softc *sc)
1809 struct ifnet *ifp = sc->sc_ifp;
1812 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1814 tmp &= ~RT2573_DROP_NOT_TO_ME;
1815 if (!(ifp->if_flags & IFF_PROMISC))
1816 tmp |= RT2573_DROP_NOT_TO_ME;
1818 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1820 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
1821 "entering" : "leaving");
1825 rum_update_promisc(struct ifnet *ifp)
1827 struct rum_softc *sc = ifp->if_softc;
1829 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1838 rum_update_mcast(struct ifnet *ifp)
1840 static int warning_printed;
1842 if (warning_printed == 0) {
1843 if_printf(ifp, "need to implement %s\n", __func__);
1844 warning_printed = 1;
1852 case RT2573_RF_2527: return "RT2527 (MIMO XR)";
1853 case RT2573_RF_2528: return "RT2528";
1854 case RT2573_RF_5225: return "RT5225 (MIMO XR)";
1855 case RT2573_RF_5226: return "RT5226";
1856 default: return "unknown";
1861 rum_read_eeprom(struct rum_softc *sc)
1868 /* read MAC address */
1869 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_bssid, 6);
1871 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
1873 sc->rf_rev = (val >> 11) & 0x1f;
1874 sc->hw_radio = (val >> 10) & 0x1;
1875 sc->rx_ant = (val >> 4) & 0x3;
1876 sc->tx_ant = (val >> 2) & 0x3;
1877 sc->nb_ant = val & 0x3;
1879 DPRINTF("RF revision=%d\n", sc->rf_rev);
1881 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
1883 sc->ext_5ghz_lna = (val >> 6) & 0x1;
1884 sc->ext_2ghz_lna = (val >> 4) & 0x1;
1886 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
1887 sc->ext_2ghz_lna, sc->ext_5ghz_lna);
1889 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
1891 if ((val & 0xff) != 0xff)
1892 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */
1894 /* Only [-10, 10] is valid */
1895 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
1896 sc->rssi_2ghz_corr = 0;
1898 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
1900 if ((val & 0xff) != 0xff)
1901 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */
1903 /* Only [-10, 10] is valid */
1904 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
1905 sc->rssi_5ghz_corr = 0;
1907 if (sc->ext_2ghz_lna)
1908 sc->rssi_2ghz_corr -= 14;
1909 if (sc->ext_5ghz_lna)
1910 sc->rssi_5ghz_corr -= 14;
1912 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
1913 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
1915 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
1917 if ((val & 0xff) != 0xff)
1918 sc->rffreq = val & 0xff;
1920 DPRINTF("RF freq=%d\n", sc->rffreq);
1922 /* read Tx power for all a/b/g channels */
1923 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
1924 /* XXX default Tx power for 802.11a channels */
1925 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
1927 for (i = 0; i < 14; i++)
1928 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]);
1931 /* read default values for BBP registers */
1932 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
1934 for (i = 0; i < 14; i++) {
1935 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1937 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
1938 sc->bbp_prom[i].val);
1944 rum_bbp_init(struct rum_softc *sc)
1948 /* wait for BBP to be ready */
1949 for (ntries = 0; ntries < 100; ntries++) {
1950 const uint8_t val = rum_bbp_read(sc, 0);
1951 if (val != 0 && val != 0xff)
1953 if (rum_pause(sc, hz / 100))
1956 if (ntries == 100) {
1957 device_printf(sc->sc_dev, "timeout waiting for BBP\n");
1961 /* initialize BBP registers to default values */
1962 for (i = 0; i < N(rum_def_bbp); i++)
1963 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
1965 /* write vendor-specific BBP values (from EEPROM) */
1966 for (i = 0; i < 16; i++) {
1967 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1969 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
1976 rum_init_locked(struct rum_softc *sc)
1978 struct ifnet *ifp = sc->sc_ifp;
1979 struct ieee80211com *ic = ifp->if_l2com;
1984 RUM_LOCK_ASSERT(sc, MA_OWNED);
1988 /* initialize MAC registers to default values */
1989 for (i = 0; i < N(rum_def_mac); i++)
1990 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
1992 /* set host ready */
1993 rum_write(sc, RT2573_MAC_CSR1, 3);
1994 rum_write(sc, RT2573_MAC_CSR1, 0);
1996 /* wait for BBP/RF to wakeup */
1997 for (ntries = 0; ntries < 100; ntries++) {
1998 if (rum_read(sc, RT2573_MAC_CSR12) & 8)
2000 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */
2001 if (rum_pause(sc, hz / 100))
2004 if (ntries == 100) {
2005 device_printf(sc->sc_dev,
2006 "timeout waiting for BBP/RF to wakeup\n");
2010 if ((error = rum_bbp_init(sc)) != 0)
2013 /* select default channel */
2014 rum_select_band(sc, ic->ic_curchan);
2015 rum_select_antenna(sc);
2016 rum_set_chan(sc, ic->ic_curchan);
2018 /* clear STA registers */
2019 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2021 rum_set_macaddr(sc, IF_LLADDR(ifp));
2023 /* initialize ASIC */
2024 rum_write(sc, RT2573_MAC_CSR1, 4);
2027 * Allocate Tx and Rx xfer queues.
2029 rum_setup_tx_list(sc);
2031 /* update Rx filter */
2032 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
2034 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
2035 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
2036 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
2038 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2039 tmp |= RT2573_DROP_TODS;
2040 if (!(ifp->if_flags & IFF_PROMISC))
2041 tmp |= RT2573_DROP_NOT_TO_ME;
2043 rum_write(sc, RT2573_TXRX_CSR0, tmp);
2045 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2046 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2047 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
2048 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
2056 rum_init(void *priv)
2058 struct rum_softc *sc = priv;
2059 struct ifnet *ifp = sc->sc_ifp;
2060 struct ieee80211com *ic = ifp->if_l2com;
2063 rum_init_locked(sc);
2066 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2067 ieee80211_start_all(ic); /* start all vap's */
2071 rum_stop(struct rum_softc *sc)
2073 struct ifnet *ifp = sc->sc_ifp;
2076 RUM_LOCK_ASSERT(sc, MA_OWNED);
2078 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
2083 * Drain the USB transfers, if not already drained:
2085 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
2086 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
2090 rum_unsetup_tx_list(sc);
2093 tmp = rum_read(sc, RT2573_TXRX_CSR0);
2094 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
2097 rum_write(sc, RT2573_MAC_CSR1, 3);
2098 rum_write(sc, RT2573_MAC_CSR1, 0);
2102 rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
2104 struct usb_device_request req;
2105 uint16_t reg = RT2573_MCU_CODE_BASE;
2108 /* copy firmware image into NIC */
2109 for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
2110 err = rum_write(sc, reg, UGETDW(ucode));
2112 /* firmware already loaded ? */
2113 device_printf(sc->sc_dev, "Firmware load "
2114 "failure! (ignored)\n");
2119 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
2120 req.bRequest = RT2573_MCU_CNTL;
2121 USETW(req.wValue, RT2573_MCU_RUN);
2122 USETW(req.wIndex, 0);
2123 USETW(req.wLength, 0);
2125 err = rum_do_request(sc, &req, NULL);
2127 device_printf(sc->sc_dev, "could not run firmware: %s\n",
2131 /* give the chip some time to boot */
2132 rum_pause(sc, hz / 8);
2136 rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
2138 struct ieee80211com *ic = vap->iv_ic;
2139 const struct ieee80211_txparam *tp;
2140 struct rum_tx_desc desc;
2143 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
2145 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
2148 m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo);
2152 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
2153 rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ,
2154 m0->m_pkthdr.len, tp->mgmtrate);
2156 /* copy the first 24 bytes of Tx descriptor into NIC memory */
2157 rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24);
2159 /* copy beacon header and payload into NIC memory */
2160 rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *),
2167 rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2168 const struct ieee80211_bpf_params *params)
2170 struct ifnet *ifp = ni->ni_ic->ic_ifp;
2171 struct rum_softc *sc = ifp->if_softc;
2174 /* prevent management frames from being sent if we're not ready */
2175 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2178 ieee80211_free_node(ni);
2181 if (sc->tx_nfree < RUM_TX_MINFREE) {
2182 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2185 ieee80211_free_node(ni);
2191 if (params == NULL) {
2193 * Legacy path; interpret frame contents to decide
2194 * precisely how to send the frame.
2196 if (rum_tx_mgt(sc, m, ni) != 0)
2200 * Caller supplied explicit parameters to use in
2201 * sending the frame.
2203 if (rum_tx_raw(sc, m, ni, params) != 0)
2212 ieee80211_free_node(ni);
2217 rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
2219 struct ieee80211vap *vap = ni->ni_vap;
2220 struct rum_vap *rvp = RUM_VAP(vap);
2222 /* clear statistic registers (STA_CSR0 to STA_CSR5) */
2223 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2225 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2229 rum_ratectl_timeout(void *arg)
2231 struct rum_vap *rvp = arg;
2232 struct ieee80211vap *vap = &rvp->vap;
2233 struct ieee80211com *ic = vap->iv_ic;
2235 ieee80211_runtask(ic, &rvp->ratectl_task);
2239 rum_ratectl_task(void *arg, int pending)
2241 struct rum_vap *rvp = arg;
2242 struct ieee80211vap *vap = &rvp->vap;
2243 struct ieee80211com *ic = vap->iv_ic;
2244 struct ifnet *ifp = ic->ic_ifp;
2245 struct rum_softc *sc = ifp->if_softc;
2246 struct ieee80211_node *ni;
2251 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */
2252 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
2254 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */
2255 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */
2256 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */
2258 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail;
2260 ni = ieee80211_ref_node(vap->iv_bss);
2261 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
2262 (void) ieee80211_ratectl_rate(ni, NULL, 0);
2263 ieee80211_free_node(ni);
2265 ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */
2267 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2272 rum_scan_start(struct ieee80211com *ic)
2274 struct ifnet *ifp = ic->ic_ifp;
2275 struct rum_softc *sc = ifp->if_softc;
2279 /* abort TSF synchronization */
2280 tmp = rum_read(sc, RT2573_TXRX_CSR9);
2281 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
2282 rum_set_bssid(sc, ifp->if_broadcastaddr);
2288 rum_scan_end(struct ieee80211com *ic)
2290 struct rum_softc *sc = ic->ic_ifp->if_softc;
2293 rum_enable_tsf_sync(sc);
2294 rum_set_bssid(sc, sc->sc_bssid);
2300 rum_set_channel(struct ieee80211com *ic)
2302 struct rum_softc *sc = ic->ic_ifp->if_softc;
2305 rum_set_chan(sc, ic->ic_curchan);
2310 rum_get_rssi(struct rum_softc *sc, uint8_t raw)
2312 struct ifnet *ifp = sc->sc_ifp;
2313 struct ieee80211com *ic = ifp->if_l2com;
2316 lna = (raw >> 5) & 0x3;
2323 * NB: Since RSSI is relative to noise floor, -1 is
2324 * adequate for caller to know error happened.
2329 rssi = (2 * agc) - RT2573_NOISE_FLOOR;
2331 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
2332 rssi += sc->rssi_2ghz_corr;
2341 rssi += sc->rssi_5ghz_corr;
2343 if (!sc->ext_5ghz_lna && lna != 1)
2357 rum_pause(struct rum_softc *sc, int timeout)
2360 usb_pause_mtx(&sc->sc_mtx, timeout);
2364 static device_method_t rum_methods[] = {
2365 /* Device interface */
2366 DEVMETHOD(device_probe, rum_match),
2367 DEVMETHOD(device_attach, rum_attach),
2368 DEVMETHOD(device_detach, rum_detach),
2373 static driver_t rum_driver = {
2375 .methods = rum_methods,
2376 .size = sizeof(struct rum_softc),
2379 static devclass_t rum_devclass;
2381 DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
2382 MODULE_DEPEND(rum, wlan, 1, 1, 1);
2383 MODULE_DEPEND(rum, usb, 1, 1, 1);
2384 MODULE_VERSION(rum, 1);