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_var.h>
51 #include <net/if_arp.h>
52 #include <net/ethernet.h>
53 #include <net/if_dl.h>
54 #include <net/if_media.h>
55 #include <net/if_types.h>
58 #include <netinet/in.h>
59 #include <netinet/in_systm.h>
60 #include <netinet/in_var.h>
61 #include <netinet/if_ether.h>
62 #include <netinet/ip.h>
65 #include <net80211/ieee80211_var.h>
66 #include <net80211/ieee80211_regdomain.h>
67 #include <net80211/ieee80211_radiotap.h>
68 #include <net80211/ieee80211_ratectl.h>
70 #include <dev/usb/usb.h>
71 #include <dev/usb/usbdi.h>
74 #define USB_DEBUG_VAR rum_debug
75 #include <dev/usb/usb_debug.h>
77 #include <dev/usb/wlan/if_rumreg.h>
78 #include <dev/usb/wlan/if_rumvar.h>
79 #include <dev/usb/wlan/if_rumfw.h>
82 static int rum_debug = 0;
84 static SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum");
85 SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RW, &rum_debug, 0,
89 #define N(a) ((int)(sizeof (a) / sizeof ((a)[0])))
91 static const STRUCT_USB_HOST_ID rum_devs[] = {
92 #define RUM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
93 RUM_DEV(ABOCOM, HWU54DM),
94 RUM_DEV(ABOCOM, RT2573_2),
95 RUM_DEV(ABOCOM, RT2573_3),
96 RUM_DEV(ABOCOM, RT2573_4),
97 RUM_DEV(ABOCOM, WUG2700),
98 RUM_DEV(AMIT, CGWLUSB2GO),
99 RUM_DEV(ASUS, RT2573_1),
100 RUM_DEV(ASUS, RT2573_2),
101 RUM_DEV(BELKIN, F5D7050A),
102 RUM_DEV(BELKIN, F5D9050V3),
103 RUM_DEV(CISCOLINKSYS, WUSB54GC),
104 RUM_DEV(CISCOLINKSYS, WUSB54GR),
105 RUM_DEV(CONCEPTRONIC2, C54RU2),
106 RUM_DEV(COREGA, CGWLUSB2GL),
107 RUM_DEV(COREGA, CGWLUSB2GPX),
108 RUM_DEV(DICKSMITH, CWD854F),
109 RUM_DEV(DICKSMITH, RT2573),
110 RUM_DEV(EDIMAX, EW7318USG),
111 RUM_DEV(DLINK2, DWLG122C1),
112 RUM_DEV(DLINK2, WUA1340),
113 RUM_DEV(DLINK2, DWA111),
114 RUM_DEV(DLINK2, DWA110),
115 RUM_DEV(GIGABYTE, GNWB01GS),
116 RUM_DEV(GIGABYTE, GNWI05GS),
117 RUM_DEV(GIGASET, RT2573),
118 RUM_DEV(GOODWAY, RT2573),
119 RUM_DEV(GUILLEMOT, HWGUSB254LB),
120 RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
121 RUM_DEV(HUAWEI3COM, WUB320G),
122 RUM_DEV(MELCO, G54HP),
123 RUM_DEV(MELCO, SG54HP),
124 RUM_DEV(MELCO, SG54HG),
125 RUM_DEV(MELCO, WLIUCG),
126 RUM_DEV(MELCO, WLRUCG),
127 RUM_DEV(MELCO, WLRUCGAOSS),
128 RUM_DEV(MSI, RT2573_1),
129 RUM_DEV(MSI, RT2573_2),
130 RUM_DEV(MSI, RT2573_3),
131 RUM_DEV(MSI, RT2573_4),
132 RUM_DEV(NOVATECH, RT2573),
133 RUM_DEV(PLANEX2, GWUS54HP),
134 RUM_DEV(PLANEX2, GWUS54MINI2),
135 RUM_DEV(PLANEX2, GWUSMM),
136 RUM_DEV(QCOM, RT2573),
137 RUM_DEV(QCOM, RT2573_2),
138 RUM_DEV(QCOM, RT2573_3),
139 RUM_DEV(RALINK, RT2573),
140 RUM_DEV(RALINK, RT2573_2),
141 RUM_DEV(RALINK, RT2671),
142 RUM_DEV(SITECOMEU, WL113R2),
143 RUM_DEV(SITECOMEU, WL172),
144 RUM_DEV(SPARKLAN, RT2573),
145 RUM_DEV(SURECOM, RT2573),
149 static device_probe_t rum_match;
150 static device_attach_t rum_attach;
151 static device_detach_t rum_detach;
153 static usb_callback_t rum_bulk_read_callback;
154 static usb_callback_t rum_bulk_write_callback;
156 static usb_error_t rum_do_request(struct rum_softc *sc,
157 struct usb_device_request *req, void *data);
158 static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
159 const char [IFNAMSIZ], int, enum ieee80211_opmode,
160 int, const uint8_t [IEEE80211_ADDR_LEN],
161 const uint8_t [IEEE80211_ADDR_LEN]);
162 static void rum_vap_delete(struct ieee80211vap *);
163 static void rum_tx_free(struct rum_tx_data *, int);
164 static void rum_setup_tx_list(struct rum_softc *);
165 static void rum_unsetup_tx_list(struct rum_softc *);
166 static int rum_newstate(struct ieee80211vap *,
167 enum ieee80211_state, int);
168 static void rum_setup_tx_desc(struct rum_softc *,
169 struct rum_tx_desc *, uint32_t, uint16_t, int,
171 static int rum_tx_mgt(struct rum_softc *, struct mbuf *,
172 struct ieee80211_node *);
173 static int rum_tx_raw(struct rum_softc *, struct mbuf *,
174 struct ieee80211_node *,
175 const struct ieee80211_bpf_params *);
176 static int rum_tx_data(struct rum_softc *, struct mbuf *,
177 struct ieee80211_node *);
178 static void rum_start(struct ifnet *);
179 static int rum_ioctl(struct ifnet *, u_long, caddr_t);
180 static void rum_eeprom_read(struct rum_softc *, uint16_t, void *,
182 static uint32_t rum_read(struct rum_softc *, uint16_t);
183 static void rum_read_multi(struct rum_softc *, uint16_t, void *,
185 static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t);
186 static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *,
188 static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
189 static uint8_t rum_bbp_read(struct rum_softc *, uint8_t);
190 static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
191 static void rum_select_antenna(struct rum_softc *);
192 static void rum_enable_mrr(struct rum_softc *);
193 static void rum_set_txpreamble(struct rum_softc *);
194 static void rum_set_basicrates(struct rum_softc *);
195 static void rum_select_band(struct rum_softc *,
196 struct ieee80211_channel *);
197 static void rum_set_chan(struct rum_softc *,
198 struct ieee80211_channel *);
199 static void rum_enable_tsf_sync(struct rum_softc *);
200 static void rum_enable_tsf(struct rum_softc *);
201 static void rum_update_slot(struct ifnet *);
202 static void rum_set_bssid(struct rum_softc *, const uint8_t *);
203 static void rum_set_macaddr(struct rum_softc *, const uint8_t *);
204 static void rum_update_mcast(struct ifnet *);
205 static void rum_update_promisc(struct ifnet *);
206 static void rum_setpromisc(struct rum_softc *);
207 static const char *rum_get_rf(int);
208 static void rum_read_eeprom(struct rum_softc *);
209 static int rum_bbp_init(struct rum_softc *);
210 static void rum_init_locked(struct rum_softc *);
211 static void rum_init(void *);
212 static void rum_stop(struct rum_softc *);
213 static void rum_load_microcode(struct rum_softc *, const uint8_t *,
215 static void rum_prepare_beacon(struct rum_softc *,
216 struct ieee80211vap *);
217 static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
218 const struct ieee80211_bpf_params *);
219 static void rum_scan_start(struct ieee80211com *);
220 static void rum_scan_end(struct ieee80211com *);
221 static void rum_set_channel(struct ieee80211com *);
222 static int rum_get_rssi(struct rum_softc *, uint8_t);
223 static void rum_ratectl_start(struct rum_softc *,
224 struct ieee80211_node *);
225 static void rum_ratectl_timeout(void *);
226 static void rum_ratectl_task(void *, int);
227 static int rum_pause(struct rum_softc *, int);
229 static const struct {
233 { RT2573_TXRX_CSR0, 0x025fb032 },
234 { RT2573_TXRX_CSR1, 0x9eaa9eaf },
235 { RT2573_TXRX_CSR2, 0x8a8b8c8d },
236 { RT2573_TXRX_CSR3, 0x00858687 },
237 { RT2573_TXRX_CSR7, 0x2e31353b },
238 { RT2573_TXRX_CSR8, 0x2a2a2a2c },
239 { RT2573_TXRX_CSR15, 0x0000000f },
240 { RT2573_MAC_CSR6, 0x00000fff },
241 { RT2573_MAC_CSR8, 0x016c030a },
242 { RT2573_MAC_CSR10, 0x00000718 },
243 { RT2573_MAC_CSR12, 0x00000004 },
244 { RT2573_MAC_CSR13, 0x00007f00 },
245 { RT2573_SEC_CSR0, 0x00000000 },
246 { RT2573_SEC_CSR1, 0x00000000 },
247 { RT2573_SEC_CSR5, 0x00000000 },
248 { RT2573_PHY_CSR1, 0x000023b0 },
249 { RT2573_PHY_CSR5, 0x00040a06 },
250 { RT2573_PHY_CSR6, 0x00080606 },
251 { RT2573_PHY_CSR7, 0x00000408 },
252 { RT2573_AIFSN_CSR, 0x00002273 },
253 { RT2573_CWMIN_CSR, 0x00002344 },
254 { RT2573_CWMAX_CSR, 0x000034aa }
257 static const struct {
289 static const struct rfprog {
291 uint32_t r1, r2, r3, r4;
293 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
294 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
295 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
296 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
297 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
298 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
299 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
300 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
301 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
302 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
303 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
304 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
305 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
306 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
308 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 },
309 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 },
310 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 },
311 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 },
313 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 },
314 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 },
315 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 },
316 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
317 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
318 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
319 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
320 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
322 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
323 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
324 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
325 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
326 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
327 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
328 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
329 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
330 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
331 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
332 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
334 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
335 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
336 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
337 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
338 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
340 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
341 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
342 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
343 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
344 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
345 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
346 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
347 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
348 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
349 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
350 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
351 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
352 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
353 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
355 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 },
356 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 },
357 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 },
358 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 },
360 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 },
361 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 },
362 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 },
363 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
364 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
365 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
366 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
367 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
369 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
370 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
371 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
372 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
373 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
374 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
375 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
376 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
377 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
378 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
379 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
381 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
382 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
383 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
384 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
385 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
388 static const struct usb_config rum_config[RUM_N_TRANSFER] = {
391 .endpoint = UE_ADDR_ANY,
392 .direction = UE_DIR_OUT,
393 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
394 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
395 .callback = rum_bulk_write_callback,
396 .timeout = 5000, /* ms */
400 .endpoint = UE_ADDR_ANY,
401 .direction = UE_DIR_IN,
402 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
403 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
404 .callback = rum_bulk_read_callback,
409 rum_match(device_t self)
411 struct usb_attach_arg *uaa = device_get_ivars(self);
413 if (uaa->usb_mode != USB_MODE_HOST)
415 if (uaa->info.bConfigIndex != 0)
417 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
420 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
424 rum_attach(device_t self)
426 struct usb_attach_arg *uaa = device_get_ivars(self);
427 struct rum_softc *sc = device_get_softc(self);
428 struct ieee80211com *ic;
430 uint8_t iface_index, bands;
434 device_set_usb_desc(self);
435 sc->sc_udev = uaa->device;
438 mtx_init(&sc->sc_mtx, device_get_nameunit(self),
439 MTX_NETWORK_LOCK, MTX_DEF);
441 iface_index = RT2573_IFACE_INDEX;
442 error = usbd_transfer_setup(uaa->device, &iface_index,
443 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
445 device_printf(self, "could not allocate USB transfers, "
446 "err=%s\n", usbd_errstr(error));
451 /* retrieve RT2573 rev. no */
452 for (ntries = 0; ntries < 100; ntries++) {
453 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
455 if (rum_pause(sc, hz / 100))
459 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
464 /* retrieve MAC address and various other things from EEPROM */
467 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
468 tmp, rum_get_rf(sc->rf_rev));
470 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
473 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
475 device_printf(sc->sc_dev, "can not if_alloc()\n");
481 if_initname(ifp, "rum", device_get_unit(sc->sc_dev));
482 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
483 ifp->if_init = rum_init;
484 ifp->if_ioctl = rum_ioctl;
485 ifp->if_start = rum_start;
486 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
487 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
488 IFQ_SET_READY(&ifp->if_snd);
491 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
493 /* set device capabilities */
495 IEEE80211_C_STA /* station mode supported */
496 | IEEE80211_C_IBSS /* IBSS mode supported */
497 | IEEE80211_C_MONITOR /* monitor mode supported */
498 | IEEE80211_C_HOSTAP /* HostAp mode supported */
499 | IEEE80211_C_TXPMGT /* tx power management */
500 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
501 | IEEE80211_C_SHSLOT /* short slot time supported */
502 | IEEE80211_C_BGSCAN /* bg scanning supported */
503 | IEEE80211_C_WPA /* 802.11i */
507 setbit(&bands, IEEE80211_MODE_11B);
508 setbit(&bands, IEEE80211_MODE_11G);
509 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226)
510 setbit(&bands, IEEE80211_MODE_11A);
511 ieee80211_init_channels(ic, NULL, &bands);
513 ieee80211_ifattach(ic, sc->sc_bssid);
514 ic->ic_update_promisc = rum_update_promisc;
515 ic->ic_raw_xmit = rum_raw_xmit;
516 ic->ic_scan_start = rum_scan_start;
517 ic->ic_scan_end = rum_scan_end;
518 ic->ic_set_channel = rum_set_channel;
520 ic->ic_vap_create = rum_vap_create;
521 ic->ic_vap_delete = rum_vap_delete;
522 ic->ic_update_mcast = rum_update_mcast;
524 ieee80211_radiotap_attach(ic,
525 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
526 RT2573_TX_RADIOTAP_PRESENT,
527 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
528 RT2573_RX_RADIOTAP_PRESENT);
531 ieee80211_announce(ic);
537 return (ENXIO); /* failure */
541 rum_detach(device_t self)
543 struct rum_softc *sc = device_get_softc(self);
544 struct ifnet *ifp = sc->sc_ifp;
545 struct ieee80211com *ic;
547 /* Prevent further ioctls */
552 /* stop all USB transfers */
553 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
555 /* free TX list, if any */
557 rum_unsetup_tx_list(sc);
562 ieee80211_ifdetach(ic);
565 mtx_destroy(&sc->sc_mtx);
570 rum_do_request(struct rum_softc *sc,
571 struct usb_device_request *req, void *data)
577 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
578 req, data, 0, NULL, 250 /* ms */);
582 DPRINTFN(1, "Control request failed, %s (retrying)\n",
584 if (rum_pause(sc, hz / 100))
590 static struct ieee80211vap *
591 rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
592 enum ieee80211_opmode opmode, int flags,
593 const uint8_t bssid[IEEE80211_ADDR_LEN],
594 const uint8_t mac[IEEE80211_ADDR_LEN])
596 struct rum_softc *sc = ic->ic_ifp->if_softc;
598 struct ieee80211vap *vap;
600 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
602 rvp = (struct rum_vap *) malloc(sizeof(struct rum_vap),
603 M_80211_VAP, M_NOWAIT | M_ZERO);
607 /* enable s/w bmiss handling for sta mode */
608 ieee80211_vap_setup(ic, vap, name, unit, opmode,
609 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
611 /* override state transition machine */
612 rvp->newstate = vap->iv_newstate;
613 vap->iv_newstate = rum_newstate;
615 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
616 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
617 ieee80211_ratectl_init(vap);
618 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
620 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
621 ic->ic_opmode = opmode;
626 rum_vap_delete(struct ieee80211vap *vap)
628 struct rum_vap *rvp = RUM_VAP(vap);
629 struct ieee80211com *ic = vap->iv_ic;
631 usb_callout_drain(&rvp->ratectl_ch);
632 ieee80211_draintask(ic, &rvp->ratectl_task);
633 ieee80211_ratectl_deinit(vap);
634 ieee80211_vap_detach(vap);
635 free(rvp, M_80211_VAP);
639 rum_tx_free(struct rum_tx_data *data, int txerr)
641 struct rum_softc *sc = data->sc;
643 if (data->m != NULL) {
644 if (data->m->m_flags & M_TXCB)
645 ieee80211_process_callback(data->ni, data->m,
646 txerr ? ETIMEDOUT : 0);
650 ieee80211_free_node(data->ni);
653 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
658 rum_setup_tx_list(struct rum_softc *sc)
660 struct rum_tx_data *data;
664 STAILQ_INIT(&sc->tx_q);
665 STAILQ_INIT(&sc->tx_free);
667 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
668 data = &sc->tx_data[i];
671 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
677 rum_unsetup_tx_list(struct rum_softc *sc)
679 struct rum_tx_data *data;
682 /* make sure any subsequent use of the queues will fail */
684 STAILQ_INIT(&sc->tx_q);
685 STAILQ_INIT(&sc->tx_free);
687 /* free up all node references and mbufs */
688 for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
689 data = &sc->tx_data[i];
691 if (data->m != NULL) {
695 if (data->ni != NULL) {
696 ieee80211_free_node(data->ni);
703 rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
705 struct rum_vap *rvp = RUM_VAP(vap);
706 struct ieee80211com *ic = vap->iv_ic;
707 struct rum_softc *sc = ic->ic_ifp->if_softc;
708 const struct ieee80211_txparam *tp;
709 enum ieee80211_state ostate;
710 struct ieee80211_node *ni;
713 ostate = vap->iv_state;
714 DPRINTF("%s -> %s\n",
715 ieee80211_state_name[ostate],
716 ieee80211_state_name[nstate]);
718 IEEE80211_UNLOCK(ic);
720 usb_callout_stop(&rvp->ratectl_ch);
723 case IEEE80211_S_INIT:
724 if (ostate == IEEE80211_S_RUN) {
725 /* abort TSF synchronization */
726 tmp = rum_read(sc, RT2573_TXRX_CSR9);
727 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
731 case IEEE80211_S_RUN:
732 ni = ieee80211_ref_node(vap->iv_bss);
734 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
735 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) {
738 ieee80211_free_node(ni);
741 rum_update_slot(ic->ic_ifp);
743 rum_set_txpreamble(sc);
744 rum_set_basicrates(sc);
745 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
746 rum_set_bssid(sc, sc->sc_bssid);
749 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
750 vap->iv_opmode == IEEE80211_M_IBSS)
751 rum_prepare_beacon(sc, vap);
753 if (vap->iv_opmode != IEEE80211_M_MONITOR)
754 rum_enable_tsf_sync(sc);
758 /* enable automatic rate adaptation */
759 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
760 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
761 rum_ratectl_start(sc, ni);
762 ieee80211_free_node(ni);
769 return (rvp->newstate(vap, nstate, arg));
773 rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
775 struct rum_softc *sc = usbd_xfer_softc(xfer);
776 struct ifnet *ifp = sc->sc_ifp;
777 struct ieee80211vap *vap;
778 struct rum_tx_data *data;
780 struct usb_page_cache *pc;
784 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
786 switch (USB_GET_STATE(xfer)) {
787 case USB_ST_TRANSFERRED:
788 DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
791 data = usbd_xfer_get_priv(xfer);
792 rum_tx_free(data, 0);
793 usbd_xfer_set_priv(xfer, NULL);
796 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
801 data = STAILQ_FIRST(&sc->tx_q);
803 STAILQ_REMOVE_HEAD(&sc->tx_q, next);
806 if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) {
807 DPRINTFN(0, "data overflow, %u bytes\n",
809 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
811 pc = usbd_xfer_get_frame(xfer, 0);
812 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
813 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
816 vap = data->ni->ni_vap;
817 if (ieee80211_radiotap_active_vap(vap)) {
818 struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
821 tap->wt_rate = data->rate;
822 tap->wt_antenna = sc->tx_ant;
824 ieee80211_radiotap_tx(vap, m);
827 /* align end on a 4-bytes boundary */
828 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
832 DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
833 m->m_pkthdr.len, len);
835 usbd_xfer_set_frame_len(xfer, 0, len);
836 usbd_xfer_set_priv(xfer, data);
838 usbd_transfer_submit(xfer);
846 DPRINTFN(11, "transfer error, %s\n",
850 data = usbd_xfer_get_priv(xfer);
852 rum_tx_free(data, error);
853 usbd_xfer_set_priv(xfer, NULL);
856 if (error != USB_ERR_CANCELLED) {
857 if (error == USB_ERR_TIMEOUT)
858 device_printf(sc->sc_dev, "device timeout\n");
861 * Try to clear stall first, also if other
862 * errors occur, hence clearing stall
863 * introduces a 50 ms delay:
865 usbd_xfer_set_stall(xfer);
873 rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
875 struct rum_softc *sc = usbd_xfer_softc(xfer);
876 struct ifnet *ifp = sc->sc_ifp;
877 struct ieee80211com *ic = ifp->if_l2com;
878 struct ieee80211_node *ni;
879 struct mbuf *m = NULL;
880 struct usb_page_cache *pc;
885 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
887 switch (USB_GET_STATE(xfer)) {
888 case USB_ST_TRANSFERRED:
890 DPRINTFN(15, "rx done, actlen=%d\n", len);
892 if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) {
893 DPRINTF("%s: xfer too short %d\n",
894 device_get_nameunit(sc->sc_dev), len);
899 len -= RT2573_RX_DESC_SIZE;
900 pc = usbd_xfer_get_frame(xfer, 0);
901 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
903 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
904 flags = le32toh(sc->sc_rx_desc.flags);
905 if (flags & RT2573_RX_CRC_ERROR) {
907 * This should not happen since we did not
908 * request to receive those frames when we
909 * filled RUM_TXRX_CSR2:
911 DPRINTFN(5, "PHY or CRC error\n");
916 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
918 DPRINTF("could not allocate mbuf\n");
922 usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
923 mtod(m, uint8_t *), len);
926 m->m_pkthdr.rcvif = ifp;
927 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
929 if (ieee80211_radiotap_active(ic)) {
930 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
934 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
935 (flags & RT2573_RX_OFDM) ?
936 IEEE80211_T_OFDM : IEEE80211_T_CCK);
937 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
938 tap->wr_antnoise = RT2573_NOISE_FLOOR;
939 tap->wr_antenna = sc->rx_ant;
944 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
945 usbd_transfer_submit(xfer);
948 * At the end of a USB callback it is always safe to unlock
949 * the private mutex of a device! That is why we do the
950 * "ieee80211_input" here, and not some lines up!
954 ni = ieee80211_find_rxnode(ic,
955 mtod(m, struct ieee80211_frame_min *));
957 (void) ieee80211_input(ni, m, rssi,
959 ieee80211_free_node(ni);
961 (void) ieee80211_input_all(ic, m, rssi,
964 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
965 !IFQ_IS_EMPTY(&ifp->if_snd))
971 if (error != USB_ERR_CANCELLED) {
972 /* try to clear stall first */
973 usbd_xfer_set_stall(xfer);
981 rum_plcp_signal(int rate)
984 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
992 case 108: return 0xc;
994 /* CCK rates (NB: not IEEE std, device-specific) */
1000 return 0xff; /* XXX unsupported/unknown rate */
1004 rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
1005 uint32_t flags, uint16_t xflags, int len, int rate)
1007 struct ifnet *ifp = sc->sc_ifp;
1008 struct ieee80211com *ic = ifp->if_l2com;
1009 uint16_t plcp_length;
1012 desc->flags = htole32(flags);
1013 desc->flags |= htole32(RT2573_TX_VALID);
1014 desc->flags |= htole32(len << 16);
1016 desc->xflags = htole16(xflags);
1018 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) |
1019 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10));
1021 /* setup PLCP fields */
1022 desc->plcp_signal = rum_plcp_signal(rate);
1023 desc->plcp_service = 4;
1025 len += IEEE80211_CRC_LEN;
1026 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
1027 desc->flags |= htole32(RT2573_TX_OFDM);
1029 plcp_length = len & 0xfff;
1030 desc->plcp_length_hi = plcp_length >> 6;
1031 desc->plcp_length_lo = plcp_length & 0x3f;
1033 plcp_length = (16 * len + rate - 1) / rate;
1035 remainder = (16 * len) % 22;
1036 if (remainder != 0 && remainder < 7)
1037 desc->plcp_service |= RT2573_PLCP_LENGEXT;
1039 desc->plcp_length_hi = plcp_length >> 8;
1040 desc->plcp_length_lo = plcp_length & 0xff;
1042 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
1043 desc->plcp_signal |= 0x08;
1048 rum_sendprot(struct rum_softc *sc,
1049 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
1051 struct ieee80211com *ic = ni->ni_ic;
1052 const struct ieee80211_frame *wh;
1053 struct rum_tx_data *data;
1055 int protrate, ackrate, pktlen, flags, isshort;
1058 RUM_LOCK_ASSERT(sc, MA_OWNED);
1059 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
1060 ("protection %d", prot));
1062 wh = mtod(m, const struct ieee80211_frame *);
1063 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
1065 protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
1066 ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
1068 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
1069 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
1070 + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1071 flags = RT2573_TX_MORE_FRAG;
1072 if (prot == IEEE80211_PROT_RTSCTS) {
1073 /* NB: CTS is the same size as an ACK */
1074 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1075 flags |= RT2573_TX_NEED_ACK;
1076 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
1078 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
1080 if (mprot == NULL) {
1081 /* XXX stat + msg */
1084 data = STAILQ_FIRST(&sc->tx_free);
1085 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1089 data->ni = ieee80211_ref_node(ni);
1090 data->rate = protrate;
1091 rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate);
1093 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1094 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1100 rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1102 struct ieee80211vap *vap = ni->ni_vap;
1103 struct ifnet *ifp = sc->sc_ifp;
1104 struct ieee80211com *ic = ifp->if_l2com;
1105 struct rum_tx_data *data;
1106 struct ieee80211_frame *wh;
1107 const struct ieee80211_txparam *tp;
1108 struct ieee80211_key *k;
1112 RUM_LOCK_ASSERT(sc, MA_OWNED);
1114 data = STAILQ_FIRST(&sc->tx_free);
1115 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1118 wh = mtod(m0, struct ieee80211_frame *);
1119 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1120 k = ieee80211_crypto_encap(ni, m0);
1125 wh = mtod(m0, struct ieee80211_frame *);
1128 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1130 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1131 flags |= RT2573_TX_NEED_ACK;
1133 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
1134 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1135 *(uint16_t *)wh->i_dur = htole16(dur);
1137 /* tell hardware to add timestamp for probe responses */
1139 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
1140 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
1141 flags |= RT2573_TX_TIMESTAMP;
1146 data->rate = tp->mgmtrate;
1148 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate);
1150 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
1151 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
1153 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1154 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1160 rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
1161 const struct ieee80211_bpf_params *params)
1163 struct ieee80211com *ic = ni->ni_ic;
1164 struct rum_tx_data *data;
1168 RUM_LOCK_ASSERT(sc, MA_OWNED);
1169 KASSERT(params != NULL, ("no raw xmit params"));
1171 rate = params->ibp_rate0;
1172 if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
1177 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
1178 flags |= RT2573_TX_NEED_ACK;
1179 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
1180 error = rum_sendprot(sc, m0, ni,
1181 params->ibp_flags & IEEE80211_BPF_RTS ?
1182 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
1184 if (error || sc->tx_nfree == 0) {
1188 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1191 data = STAILQ_FIRST(&sc->tx_free);
1192 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1199 /* XXX need to setup descriptor ourself */
1200 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1202 DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
1203 m0->m_pkthdr.len, rate);
1205 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1206 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1212 rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1214 struct ieee80211vap *vap = ni->ni_vap;
1215 struct ifnet *ifp = sc->sc_ifp;
1216 struct ieee80211com *ic = ifp->if_l2com;
1217 struct rum_tx_data *data;
1218 struct ieee80211_frame *wh;
1219 const struct ieee80211_txparam *tp;
1220 struct ieee80211_key *k;
1225 RUM_LOCK_ASSERT(sc, MA_OWNED);
1227 wh = mtod(m0, struct ieee80211_frame *);
1229 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
1230 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
1231 rate = tp->mcastrate;
1232 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
1233 rate = tp->ucastrate;
1235 rate = ni->ni_txrate;
1237 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1238 k = ieee80211_crypto_encap(ni, m0);
1244 /* packet header may have moved, reset our local pointer */
1245 wh = mtod(m0, struct ieee80211_frame *);
1248 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1249 int prot = IEEE80211_PROT_NONE;
1250 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
1251 prot = IEEE80211_PROT_RTSCTS;
1252 else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
1253 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
1254 prot = ic->ic_protmode;
1255 if (prot != IEEE80211_PROT_NONE) {
1256 error = rum_sendprot(sc, m0, ni, prot, rate);
1257 if (error || sc->tx_nfree == 0) {
1261 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1265 data = STAILQ_FIRST(&sc->tx_free);
1266 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1273 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1274 flags |= RT2573_TX_NEED_ACK;
1275 flags |= RT2573_TX_MORE_FRAG;
1277 dur = ieee80211_ack_duration(ic->ic_rt, rate,
1278 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1279 *(uint16_t *)wh->i_dur = htole16(dur);
1282 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1284 DPRINTFN(10, "sending frame len=%d rate=%d\n",
1285 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
1287 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1288 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1294 rum_start(struct ifnet *ifp)
1296 struct rum_softc *sc = ifp->if_softc;
1297 struct ieee80211_node *ni;
1301 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1306 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1309 if (sc->tx_nfree < RUM_TX_MINFREE) {
1310 IFQ_DRV_PREPEND(&ifp->if_snd, m);
1311 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1314 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1315 if (rum_tx_data(sc, m, ni) != 0) {
1316 ieee80211_free_node(ni);
1325 rum_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1327 struct rum_softc *sc = ifp->if_softc;
1328 struct ieee80211com *ic = ifp->if_l2com;
1329 struct ifreq *ifr = (struct ifreq *) data;
1334 error = sc->sc_detached ? ENXIO : 0;
1342 if (ifp->if_flags & IFF_UP) {
1343 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1344 rum_init_locked(sc);
1349 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1354 ieee80211_start_all(ic);
1357 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1360 error = ether_ioctl(ifp, cmd, data);
1370 rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
1372 struct usb_device_request req;
1375 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1376 req.bRequest = RT2573_READ_EEPROM;
1377 USETW(req.wValue, 0);
1378 USETW(req.wIndex, addr);
1379 USETW(req.wLength, len);
1381 error = rum_do_request(sc, &req, buf);
1383 device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1384 usbd_errstr(error));
1389 rum_read(struct rum_softc *sc, uint16_t reg)
1393 rum_read_multi(sc, reg, &val, sizeof val);
1395 return le32toh(val);
1399 rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
1401 struct usb_device_request req;
1404 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1405 req.bRequest = RT2573_READ_MULTI_MAC;
1406 USETW(req.wValue, 0);
1407 USETW(req.wIndex, reg);
1408 USETW(req.wLength, len);
1410 error = rum_do_request(sc, &req, buf);
1412 device_printf(sc->sc_dev,
1413 "could not multi read MAC register: %s\n",
1414 usbd_errstr(error));
1419 rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
1421 uint32_t tmp = htole32(val);
1423 return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
1427 rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
1429 struct usb_device_request req;
1433 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1434 req.bRequest = RT2573_WRITE_MULTI_MAC;
1435 USETW(req.wValue, 0);
1437 /* write at most 64 bytes at a time */
1438 for (offset = 0; offset < len; offset += 64) {
1439 USETW(req.wIndex, reg + offset);
1440 USETW(req.wLength, MIN(len - offset, 64));
1442 error = rum_do_request(sc, &req, (char *)buf + offset);
1444 device_printf(sc->sc_dev,
1445 "could not multi write MAC register: %s\n",
1446 usbd_errstr(error));
1451 return (USB_ERR_NORMAL_COMPLETION);
1455 rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
1460 DPRINTFN(2, "reg=0x%08x\n", reg);
1462 for (ntries = 0; ntries < 100; ntries++) {
1463 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1465 if (rum_pause(sc, hz / 100))
1468 if (ntries == 100) {
1469 device_printf(sc->sc_dev, "could not write to BBP\n");
1473 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
1474 rum_write(sc, RT2573_PHY_CSR3, tmp);
1478 rum_bbp_read(struct rum_softc *sc, uint8_t reg)
1483 DPRINTFN(2, "reg=0x%08x\n", reg);
1485 for (ntries = 0; ntries < 100; ntries++) {
1486 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1488 if (rum_pause(sc, hz / 100))
1491 if (ntries == 100) {
1492 device_printf(sc->sc_dev, "could not read BBP\n");
1496 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
1497 rum_write(sc, RT2573_PHY_CSR3, val);
1499 for (ntries = 0; ntries < 100; ntries++) {
1500 val = rum_read(sc, RT2573_PHY_CSR3);
1501 if (!(val & RT2573_BBP_BUSY))
1503 if (rum_pause(sc, hz / 100))
1507 device_printf(sc->sc_dev, "could not read BBP\n");
1512 rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
1517 for (ntries = 0; ntries < 100; ntries++) {
1518 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
1520 if (rum_pause(sc, hz / 100))
1523 if (ntries == 100) {
1524 device_printf(sc->sc_dev, "could not write to RF\n");
1528 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
1530 rum_write(sc, RT2573_PHY_CSR4, tmp);
1532 /* remember last written value in sc */
1533 sc->rf_regs[reg] = val;
1535 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
1539 rum_select_antenna(struct rum_softc *sc)
1541 uint8_t bbp4, bbp77;
1544 bbp4 = rum_bbp_read(sc, 4);
1545 bbp77 = rum_bbp_read(sc, 77);
1549 /* make sure Rx is disabled before switching antenna */
1550 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1551 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
1553 rum_bbp_write(sc, 4, bbp4);
1554 rum_bbp_write(sc, 77, bbp77);
1556 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1560 * Enable multi-rate retries for frames sent at OFDM rates.
1561 * In 802.11b/g mode, allow fallback to CCK rates.
1564 rum_enable_mrr(struct rum_softc *sc)
1566 struct ifnet *ifp = sc->sc_ifp;
1567 struct ieee80211com *ic = ifp->if_l2com;
1570 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1572 tmp &= ~RT2573_MRR_CCK_FALLBACK;
1573 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
1574 tmp |= RT2573_MRR_CCK_FALLBACK;
1575 tmp |= RT2573_MRR_ENABLED;
1577 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1581 rum_set_txpreamble(struct rum_softc *sc)
1583 struct ifnet *ifp = sc->sc_ifp;
1584 struct ieee80211com *ic = ifp->if_l2com;
1587 tmp = rum_read(sc, RT2573_TXRX_CSR4);
1589 tmp &= ~RT2573_SHORT_PREAMBLE;
1590 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
1591 tmp |= RT2573_SHORT_PREAMBLE;
1593 rum_write(sc, RT2573_TXRX_CSR4, tmp);
1597 rum_set_basicrates(struct rum_softc *sc)
1599 struct ifnet *ifp = sc->sc_ifp;
1600 struct ieee80211com *ic = ifp->if_l2com;
1602 /* update basic rate set */
1603 if (ic->ic_curmode == IEEE80211_MODE_11B) {
1604 /* 11b basic rates: 1, 2Mbps */
1605 rum_write(sc, RT2573_TXRX_CSR5, 0x3);
1606 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
1607 /* 11a basic rates: 6, 12, 24Mbps */
1608 rum_write(sc, RT2573_TXRX_CSR5, 0x150);
1610 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
1611 rum_write(sc, RT2573_TXRX_CSR5, 0xf);
1616 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference
1620 rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
1622 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
1625 /* update all BBP registers that depend on the band */
1626 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
1627 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48;
1628 if (IEEE80211_IS_CHAN_5GHZ(c)) {
1629 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
1630 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10;
1632 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1633 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1634 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
1638 rum_bbp_write(sc, 17, bbp17);
1639 rum_bbp_write(sc, 96, bbp96);
1640 rum_bbp_write(sc, 104, bbp104);
1642 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
1643 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
1644 rum_bbp_write(sc, 75, 0x80);
1645 rum_bbp_write(sc, 86, 0x80);
1646 rum_bbp_write(sc, 88, 0x80);
1649 rum_bbp_write(sc, 35, bbp35);
1650 rum_bbp_write(sc, 97, bbp97);
1651 rum_bbp_write(sc, 98, bbp98);
1653 tmp = rum_read(sc, RT2573_PHY_CSR0);
1654 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ);
1655 if (IEEE80211_IS_CHAN_2GHZ(c))
1656 tmp |= RT2573_PA_PE_2GHZ;
1658 tmp |= RT2573_PA_PE_5GHZ;
1659 rum_write(sc, RT2573_PHY_CSR0, tmp);
1663 rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
1665 struct ifnet *ifp = sc->sc_ifp;
1666 struct ieee80211com *ic = ifp->if_l2com;
1667 const struct rfprog *rfprog;
1668 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
1672 chan = ieee80211_chan2ieee(ic, c);
1673 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
1676 /* select the appropriate RF settings based on what EEPROM says */
1677 rfprog = (sc->rf_rev == RT2573_RF_5225 ||
1678 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
1680 /* find the settings for this channel (we know it exists) */
1681 for (i = 0; rfprog[i].chan != chan; i++);
1683 power = sc->txpow[i];
1687 } else if (power > 31) {
1688 bbp94 += power - 31;
1693 * If we are switching from the 2GHz band to the 5GHz band or
1694 * vice-versa, BBP registers need to be reprogrammed.
1696 if (c->ic_flags != ic->ic_curchan->ic_flags) {
1697 rum_select_band(sc, c);
1698 rum_select_antenna(sc);
1702 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1703 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1704 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1705 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1707 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1708 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1709 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
1710 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1712 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
1713 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
1714 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
1715 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
1717 rum_pause(sc, hz / 100);
1719 /* enable smart mode for MIMO-capable RFs */
1720 bbp3 = rum_bbp_read(sc, 3);
1722 bbp3 &= ~RT2573_SMART_MODE;
1723 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
1724 bbp3 |= RT2573_SMART_MODE;
1726 rum_bbp_write(sc, 3, bbp3);
1728 if (bbp94 != RT2573_BBPR94_DEFAULT)
1729 rum_bbp_write(sc, 94, bbp94);
1731 /* give the chip some extra time to do the switchover */
1732 rum_pause(sc, hz / 100);
1736 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS
1737 * and HostAP operating modes.
1740 rum_enable_tsf_sync(struct rum_softc *sc)
1742 struct ifnet *ifp = sc->sc_ifp;
1743 struct ieee80211com *ic = ifp->if_l2com;
1744 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1747 if (vap->iv_opmode != IEEE80211_M_STA) {
1749 * Change default 16ms TBTT adjustment to 8ms.
1750 * Must be done before enabling beacon generation.
1752 rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8);
1755 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
1757 /* set beacon interval (in 1/16ms unit) */
1758 tmp |= vap->iv_bss->ni_intval * 16;
1760 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT;
1761 if (vap->iv_opmode == IEEE80211_M_STA)
1762 tmp |= RT2573_TSF_MODE(1);
1764 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON;
1766 rum_write(sc, RT2573_TXRX_CSR9, tmp);
1770 rum_enable_tsf(struct rum_softc *sc)
1772 rum_write(sc, RT2573_TXRX_CSR9,
1773 (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) |
1774 RT2573_TSF_TICKING | RT2573_TSF_MODE(2));
1778 rum_update_slot(struct ifnet *ifp)
1780 struct rum_softc *sc = ifp->if_softc;
1781 struct ieee80211com *ic = ifp->if_l2com;
1785 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
1787 tmp = rum_read(sc, RT2573_MAC_CSR9);
1788 tmp = (tmp & ~0xff) | slottime;
1789 rum_write(sc, RT2573_MAC_CSR9, tmp);
1791 DPRINTF("setting slot time to %uus\n", slottime);
1795 rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
1799 tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24;
1800 rum_write(sc, RT2573_MAC_CSR4, tmp);
1802 tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16;
1803 rum_write(sc, RT2573_MAC_CSR5, tmp);
1807 rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
1811 tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24;
1812 rum_write(sc, RT2573_MAC_CSR2, tmp);
1814 tmp = addr[4] | addr[5] << 8 | 0xff << 16;
1815 rum_write(sc, RT2573_MAC_CSR3, tmp);
1819 rum_setpromisc(struct rum_softc *sc)
1821 struct ifnet *ifp = sc->sc_ifp;
1824 tmp = rum_read(sc, RT2573_TXRX_CSR0);
1826 tmp &= ~RT2573_DROP_NOT_TO_ME;
1827 if (!(ifp->if_flags & IFF_PROMISC))
1828 tmp |= RT2573_DROP_NOT_TO_ME;
1830 rum_write(sc, RT2573_TXRX_CSR0, tmp);
1832 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
1833 "entering" : "leaving");
1837 rum_update_promisc(struct ifnet *ifp)
1839 struct rum_softc *sc = ifp->if_softc;
1841 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1850 rum_update_mcast(struct ifnet *ifp)
1852 static int warning_printed;
1854 if (warning_printed == 0) {
1855 if_printf(ifp, "need to implement %s\n", __func__);
1856 warning_printed = 1;
1864 case RT2573_RF_2527: return "RT2527 (MIMO XR)";
1865 case RT2573_RF_2528: return "RT2528";
1866 case RT2573_RF_5225: return "RT5225 (MIMO XR)";
1867 case RT2573_RF_5226: return "RT5226";
1868 default: return "unknown";
1873 rum_read_eeprom(struct rum_softc *sc)
1880 /* read MAC address */
1881 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_bssid, 6);
1883 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
1885 sc->rf_rev = (val >> 11) & 0x1f;
1886 sc->hw_radio = (val >> 10) & 0x1;
1887 sc->rx_ant = (val >> 4) & 0x3;
1888 sc->tx_ant = (val >> 2) & 0x3;
1889 sc->nb_ant = val & 0x3;
1891 DPRINTF("RF revision=%d\n", sc->rf_rev);
1893 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
1895 sc->ext_5ghz_lna = (val >> 6) & 0x1;
1896 sc->ext_2ghz_lna = (val >> 4) & 0x1;
1898 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
1899 sc->ext_2ghz_lna, sc->ext_5ghz_lna);
1901 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
1903 if ((val & 0xff) != 0xff)
1904 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */
1906 /* Only [-10, 10] is valid */
1907 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
1908 sc->rssi_2ghz_corr = 0;
1910 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
1912 if ((val & 0xff) != 0xff)
1913 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */
1915 /* Only [-10, 10] is valid */
1916 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
1917 sc->rssi_5ghz_corr = 0;
1919 if (sc->ext_2ghz_lna)
1920 sc->rssi_2ghz_corr -= 14;
1921 if (sc->ext_5ghz_lna)
1922 sc->rssi_5ghz_corr -= 14;
1924 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
1925 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
1927 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
1929 if ((val & 0xff) != 0xff)
1930 sc->rffreq = val & 0xff;
1932 DPRINTF("RF freq=%d\n", sc->rffreq);
1934 /* read Tx power for all a/b/g channels */
1935 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
1936 /* XXX default Tx power for 802.11a channels */
1937 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
1939 for (i = 0; i < 14; i++)
1940 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]);
1943 /* read default values for BBP registers */
1944 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
1946 for (i = 0; i < 14; i++) {
1947 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1949 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
1950 sc->bbp_prom[i].val);
1956 rum_bbp_init(struct rum_softc *sc)
1960 /* wait for BBP to be ready */
1961 for (ntries = 0; ntries < 100; ntries++) {
1962 const uint8_t val = rum_bbp_read(sc, 0);
1963 if (val != 0 && val != 0xff)
1965 if (rum_pause(sc, hz / 100))
1968 if (ntries == 100) {
1969 device_printf(sc->sc_dev, "timeout waiting for BBP\n");
1973 /* initialize BBP registers to default values */
1974 for (i = 0; i < N(rum_def_bbp); i++)
1975 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
1977 /* write vendor-specific BBP values (from EEPROM) */
1978 for (i = 0; i < 16; i++) {
1979 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
1981 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
1988 rum_init_locked(struct rum_softc *sc)
1990 struct ifnet *ifp = sc->sc_ifp;
1991 struct ieee80211com *ic = ifp->if_l2com;
1996 RUM_LOCK_ASSERT(sc, MA_OWNED);
2000 /* initialize MAC registers to default values */
2001 for (i = 0; i < N(rum_def_mac); i++)
2002 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
2004 /* set host ready */
2005 rum_write(sc, RT2573_MAC_CSR1, 3);
2006 rum_write(sc, RT2573_MAC_CSR1, 0);
2008 /* wait for BBP/RF to wakeup */
2009 for (ntries = 0; ntries < 100; ntries++) {
2010 if (rum_read(sc, RT2573_MAC_CSR12) & 8)
2012 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */
2013 if (rum_pause(sc, hz / 100))
2016 if (ntries == 100) {
2017 device_printf(sc->sc_dev,
2018 "timeout waiting for BBP/RF to wakeup\n");
2022 if ((error = rum_bbp_init(sc)) != 0)
2025 /* select default channel */
2026 rum_select_band(sc, ic->ic_curchan);
2027 rum_select_antenna(sc);
2028 rum_set_chan(sc, ic->ic_curchan);
2030 /* clear STA registers */
2031 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2033 rum_set_macaddr(sc, IF_LLADDR(ifp));
2035 /* initialize ASIC */
2036 rum_write(sc, RT2573_MAC_CSR1, 4);
2039 * Allocate Tx and Rx xfer queues.
2041 rum_setup_tx_list(sc);
2043 /* update Rx filter */
2044 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
2046 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
2047 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
2048 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
2050 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2051 tmp |= RT2573_DROP_TODS;
2052 if (!(ifp->if_flags & IFF_PROMISC))
2053 tmp |= RT2573_DROP_NOT_TO_ME;
2055 rum_write(sc, RT2573_TXRX_CSR0, tmp);
2057 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2058 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2059 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
2060 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
2068 rum_init(void *priv)
2070 struct rum_softc *sc = priv;
2071 struct ifnet *ifp = sc->sc_ifp;
2072 struct ieee80211com *ic = ifp->if_l2com;
2075 rum_init_locked(sc);
2078 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2079 ieee80211_start_all(ic); /* start all vap's */
2083 rum_stop(struct rum_softc *sc)
2085 struct ifnet *ifp = sc->sc_ifp;
2088 RUM_LOCK_ASSERT(sc, MA_OWNED);
2090 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
2095 * Drain the USB transfers, if not already drained:
2097 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
2098 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
2102 rum_unsetup_tx_list(sc);
2105 tmp = rum_read(sc, RT2573_TXRX_CSR0);
2106 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
2109 rum_write(sc, RT2573_MAC_CSR1, 3);
2110 rum_write(sc, RT2573_MAC_CSR1, 0);
2114 rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
2116 struct usb_device_request req;
2117 uint16_t reg = RT2573_MCU_CODE_BASE;
2120 /* copy firmware image into NIC */
2121 for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
2122 err = rum_write(sc, reg, UGETDW(ucode));
2124 /* firmware already loaded ? */
2125 device_printf(sc->sc_dev, "Firmware load "
2126 "failure! (ignored)\n");
2131 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
2132 req.bRequest = RT2573_MCU_CNTL;
2133 USETW(req.wValue, RT2573_MCU_RUN);
2134 USETW(req.wIndex, 0);
2135 USETW(req.wLength, 0);
2137 err = rum_do_request(sc, &req, NULL);
2139 device_printf(sc->sc_dev, "could not run firmware: %s\n",
2143 /* give the chip some time to boot */
2144 rum_pause(sc, hz / 8);
2148 rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
2150 struct ieee80211com *ic = vap->iv_ic;
2151 const struct ieee80211_txparam *tp;
2152 struct rum_tx_desc desc;
2155 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
2157 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
2160 m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo);
2164 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
2165 rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ,
2166 m0->m_pkthdr.len, tp->mgmtrate);
2168 /* copy the first 24 bytes of Tx descriptor into NIC memory */
2169 rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24);
2171 /* copy beacon header and payload into NIC memory */
2172 rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *),
2179 rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2180 const struct ieee80211_bpf_params *params)
2182 struct ifnet *ifp = ni->ni_ic->ic_ifp;
2183 struct rum_softc *sc = ifp->if_softc;
2186 /* prevent management frames from being sent if we're not ready */
2187 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2190 ieee80211_free_node(ni);
2193 if (sc->tx_nfree < RUM_TX_MINFREE) {
2194 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2197 ieee80211_free_node(ni);
2203 if (params == NULL) {
2205 * Legacy path; interpret frame contents to decide
2206 * precisely how to send the frame.
2208 if (rum_tx_mgt(sc, m, ni) != 0)
2212 * Caller supplied explicit parameters to use in
2213 * sending the frame.
2215 if (rum_tx_raw(sc, m, ni, params) != 0)
2224 ieee80211_free_node(ni);
2229 rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
2231 struct ieee80211vap *vap = ni->ni_vap;
2232 struct rum_vap *rvp = RUM_VAP(vap);
2234 /* clear statistic registers (STA_CSR0 to STA_CSR5) */
2235 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2237 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2241 rum_ratectl_timeout(void *arg)
2243 struct rum_vap *rvp = arg;
2244 struct ieee80211vap *vap = &rvp->vap;
2245 struct ieee80211com *ic = vap->iv_ic;
2247 ieee80211_runtask(ic, &rvp->ratectl_task);
2251 rum_ratectl_task(void *arg, int pending)
2253 struct rum_vap *rvp = arg;
2254 struct ieee80211vap *vap = &rvp->vap;
2255 struct ieee80211com *ic = vap->iv_ic;
2256 struct ifnet *ifp = ic->ic_ifp;
2257 struct rum_softc *sc = ifp->if_softc;
2258 struct ieee80211_node *ni;
2263 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */
2264 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
2266 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */
2267 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */
2268 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */
2270 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail;
2272 ni = ieee80211_ref_node(vap->iv_bss);
2273 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
2274 (void) ieee80211_ratectl_rate(ni, NULL, 0);
2275 ieee80211_free_node(ni);
2277 ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */
2279 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
2284 rum_scan_start(struct ieee80211com *ic)
2286 struct ifnet *ifp = ic->ic_ifp;
2287 struct rum_softc *sc = ifp->if_softc;
2291 /* abort TSF synchronization */
2292 tmp = rum_read(sc, RT2573_TXRX_CSR9);
2293 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
2294 rum_set_bssid(sc, ifp->if_broadcastaddr);
2300 rum_scan_end(struct ieee80211com *ic)
2302 struct rum_softc *sc = ic->ic_ifp->if_softc;
2305 rum_enable_tsf_sync(sc);
2306 rum_set_bssid(sc, sc->sc_bssid);
2312 rum_set_channel(struct ieee80211com *ic)
2314 struct rum_softc *sc = ic->ic_ifp->if_softc;
2317 rum_set_chan(sc, ic->ic_curchan);
2322 rum_get_rssi(struct rum_softc *sc, uint8_t raw)
2324 struct ifnet *ifp = sc->sc_ifp;
2325 struct ieee80211com *ic = ifp->if_l2com;
2328 lna = (raw >> 5) & 0x3;
2335 * NB: Since RSSI is relative to noise floor, -1 is
2336 * adequate for caller to know error happened.
2341 rssi = (2 * agc) - RT2573_NOISE_FLOOR;
2343 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
2344 rssi += sc->rssi_2ghz_corr;
2353 rssi += sc->rssi_5ghz_corr;
2355 if (!sc->ext_5ghz_lna && lna != 1)
2369 rum_pause(struct rum_softc *sc, int timeout)
2372 usb_pause_mtx(&sc->sc_mtx, timeout);
2376 static device_method_t rum_methods[] = {
2377 /* Device interface */
2378 DEVMETHOD(device_probe, rum_match),
2379 DEVMETHOD(device_attach, rum_attach),
2380 DEVMETHOD(device_detach, rum_detach),
2384 static driver_t rum_driver = {
2386 .methods = rum_methods,
2387 .size = sizeof(struct rum_softc),
2390 static devclass_t rum_devclass;
2392 DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
2393 MODULE_DEPEND(rum, wlan, 1, 1, 1);
2394 MODULE_DEPEND(rum, usb, 1, 1, 1);
2395 MODULE_VERSION(rum, 1);