if_rum.c revision 288502
1/* $FreeBSD: head/sys/dev/usb/wlan/if_rum.c 288502 2015-10-02 15:26:33Z adrian $ */ 2 3/*- 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> 7 * 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. 11 * 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. 19 */ 20 21#include <sys/cdefs.h> 22__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_rum.c 288502 2015-10-02 15:26:33Z adrian $"); 23 24/*- 25 * Ralink Technology RT2501USB/RT2601USB chipset driver 26 * http://www.ralinktech.com.tw/ 27 */ 28 29#include <sys/param.h> 30#include <sys/sockio.h> 31#include <sys/sysctl.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/mbuf.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> 40#include <sys/bus.h> 41#include <sys/endian.h> 42#include <sys/kdb.h> 43 44#include <machine/bus.h> 45#include <machine/resource.h> 46#include <sys/rman.h> 47 48#include <net/bpf.h> 49#include <net/if.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> 56 57#ifdef INET 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> 63#endif 64 65#include <net80211/ieee80211_var.h> 66#include <net80211/ieee80211_regdomain.h> 67#include <net80211/ieee80211_radiotap.h> 68#include <net80211/ieee80211_ratectl.h> 69 70#include <dev/usb/usb.h> 71#include <dev/usb/usbdi.h> 72#include "usbdevs.h" 73 74#define USB_DEBUG_VAR rum_debug 75#include <dev/usb/usb_debug.h> 76 77#include <dev/usb/wlan/if_rumreg.h> 78#include <dev/usb/wlan/if_rumvar.h> 79#include <dev/usb/wlan/if_rumfw.h> 80 81#ifdef USB_DEBUG 82static int rum_debug = 0; 83 84static SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum"); 85SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RWTUN, &rum_debug, 0, 86 "Debug level"); 87#endif 88 89#define N(a) ((int)(sizeof (a) / sizeof ((a)[0]))) 90 91static 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), 146#undef RUM_DEV 147}; 148 149static device_probe_t rum_match; 150static device_attach_t rum_attach; 151static device_detach_t rum_detach; 152 153static usb_callback_t rum_bulk_read_callback; 154static usb_callback_t rum_bulk_write_callback; 155 156static usb_error_t rum_do_request(struct rum_softc *sc, 157 struct usb_device_request *req, void *data); 158static 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]); 162static void rum_vap_delete(struct ieee80211vap *); 163static void rum_tx_free(struct rum_tx_data *, int); 164static void rum_setup_tx_list(struct rum_softc *); 165static void rum_unsetup_tx_list(struct rum_softc *); 166static int rum_newstate(struct ieee80211vap *, 167 enum ieee80211_state, int); 168static void rum_setup_tx_desc(struct rum_softc *, 169 struct rum_tx_desc *, uint32_t, uint16_t, int, 170 int); 171static int rum_tx_mgt(struct rum_softc *, struct mbuf *, 172 struct ieee80211_node *); 173static int rum_tx_raw(struct rum_softc *, struct mbuf *, 174 struct ieee80211_node *, 175 const struct ieee80211_bpf_params *); 176static int rum_tx_data(struct rum_softc *, struct mbuf *, 177 struct ieee80211_node *); 178static int rum_transmit(struct ieee80211com *, struct mbuf *); 179static void rum_start(struct rum_softc *); 180static void rum_parent(struct ieee80211com *); 181static void rum_eeprom_read(struct rum_softc *, uint16_t, void *, 182 int); 183static uint32_t rum_read(struct rum_softc *, uint16_t); 184static void rum_read_multi(struct rum_softc *, uint16_t, void *, 185 int); 186static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t); 187static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *, 188 size_t); 189static int rum_bbp_busy(struct rum_softc *); 190static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t); 191static uint8_t rum_bbp_read(struct rum_softc *, uint8_t); 192static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t); 193static void rum_select_antenna(struct rum_softc *); 194static void rum_enable_mrr(struct rum_softc *); 195static void rum_set_txpreamble(struct rum_softc *); 196static void rum_set_basicrates(struct rum_softc *); 197static void rum_select_band(struct rum_softc *, 198 struct ieee80211_channel *); 199static void rum_set_chan(struct rum_softc *, 200 struct ieee80211_channel *); 201static void rum_enable_tsf_sync(struct rum_softc *); 202static void rum_enable_tsf(struct rum_softc *); 203static void rum_abort_tsf_sync(struct rum_softc *); 204static void rum_update_slot(struct rum_softc *); 205static void rum_set_bssid(struct rum_softc *, const uint8_t *); 206static void rum_set_macaddr(struct rum_softc *, const uint8_t *); 207static void rum_update_mcast(struct ieee80211com *); 208static void rum_update_promisc(struct ieee80211com *); 209static void rum_setpromisc(struct rum_softc *); 210static const char *rum_get_rf(int); 211static void rum_read_eeprom(struct rum_softc *); 212static int rum_bbp_init(struct rum_softc *); 213static void rum_init(struct rum_softc *); 214static void rum_stop(struct rum_softc *); 215static void rum_load_microcode(struct rum_softc *, const uint8_t *, 216 size_t); 217static void rum_prepare_beacon(struct rum_softc *, 218 struct ieee80211vap *); 219static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *, 220 const struct ieee80211_bpf_params *); 221static void rum_scan_start(struct ieee80211com *); 222static void rum_scan_end(struct ieee80211com *); 223static void rum_set_channel(struct ieee80211com *); 224static int rum_get_rssi(struct rum_softc *, uint8_t); 225static void rum_ratectl_start(struct rum_softc *, 226 struct ieee80211_node *); 227static void rum_ratectl_timeout(void *); 228static void rum_ratectl_task(void *, int); 229static int rum_pause(struct rum_softc *, int); 230 231static const struct { 232 uint32_t reg; 233 uint32_t val; 234} rum_def_mac[] = { 235 { RT2573_TXRX_CSR0, 0x025fb032 }, 236 { RT2573_TXRX_CSR1, 0x9eaa9eaf }, 237 { RT2573_TXRX_CSR2, 0x8a8b8c8d }, 238 { RT2573_TXRX_CSR3, 0x00858687 }, 239 { RT2573_TXRX_CSR7, 0x2e31353b }, 240 { RT2573_TXRX_CSR8, 0x2a2a2a2c }, 241 { RT2573_TXRX_CSR15, 0x0000000f }, 242 { RT2573_MAC_CSR6, 0x00000fff }, 243 { RT2573_MAC_CSR8, 0x016c030a }, 244 { RT2573_MAC_CSR10, 0x00000718 }, 245 { RT2573_MAC_CSR12, 0x00000004 }, 246 { RT2573_MAC_CSR13, 0x00007f00 }, 247 { RT2573_SEC_CSR0, 0x00000000 }, 248 { RT2573_SEC_CSR1, 0x00000000 }, 249 { RT2573_SEC_CSR5, 0x00000000 }, 250 { RT2573_PHY_CSR1, 0x000023b0 }, 251 { RT2573_PHY_CSR5, 0x00040a06 }, 252 { RT2573_PHY_CSR6, 0x00080606 }, 253 { RT2573_PHY_CSR7, 0x00000408 }, 254 { RT2573_AIFSN_CSR, 0x00002273 }, 255 { RT2573_CWMIN_CSR, 0x00002344 }, 256 { RT2573_CWMAX_CSR, 0x000034aa } 257}; 258 259static const struct { 260 uint8_t reg; 261 uint8_t val; 262} rum_def_bbp[] = { 263 { 3, 0x80 }, 264 { 15, 0x30 }, 265 { 17, 0x20 }, 266 { 21, 0xc8 }, 267 { 22, 0x38 }, 268 { 23, 0x06 }, 269 { 24, 0xfe }, 270 { 25, 0x0a }, 271 { 26, 0x0d }, 272 { 32, 0x0b }, 273 { 34, 0x12 }, 274 { 37, 0x07 }, 275 { 39, 0xf8 }, 276 { 41, 0x60 }, 277 { 53, 0x10 }, 278 { 54, 0x18 }, 279 { 60, 0x10 }, 280 { 61, 0x04 }, 281 { 62, 0x04 }, 282 { 75, 0xfe }, 283 { 86, 0xfe }, 284 { 88, 0xfe }, 285 { 90, 0x0f }, 286 { 99, 0x00 }, 287 { 102, 0x16 }, 288 { 107, 0x04 } 289}; 290 291static const struct rfprog { 292 uint8_t chan; 293 uint32_t r1, r2, r3, r4; 294} rum_rf5226[] = { 295 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 }, 296 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 }, 297 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 }, 298 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 }, 299 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 }, 300 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 }, 301 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 }, 302 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 }, 303 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 }, 304 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 }, 305 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 }, 306 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 }, 307 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 }, 308 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 }, 309 310 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 }, 311 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 }, 312 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 }, 313 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 }, 314 315 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 }, 316 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 }, 317 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 }, 318 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 }, 319 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 }, 320 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 }, 321 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 }, 322 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 }, 323 324 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 }, 325 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 }, 326 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 }, 327 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 }, 328 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 }, 329 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 }, 330 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 }, 331 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 }, 332 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 }, 333 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 }, 334 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 }, 335 336 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 }, 337 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 }, 338 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 }, 339 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 }, 340 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 } 341}, rum_rf5225[] = { 342 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 }, 343 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 }, 344 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 }, 345 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 }, 346 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 }, 347 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 }, 348 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 }, 349 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 }, 350 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 }, 351 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 }, 352 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 }, 353 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 }, 354 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 }, 355 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 }, 356 357 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 }, 358 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 }, 359 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 }, 360 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 }, 361 362 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 }, 363 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 }, 364 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 }, 365 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 }, 366 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 }, 367 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 }, 368 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 }, 369 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 }, 370 371 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 }, 372 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 }, 373 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 }, 374 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 }, 375 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 }, 376 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 }, 377 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 }, 378 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 }, 379 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 }, 380 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 }, 381 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 }, 382 383 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 }, 384 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 }, 385 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 }, 386 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 }, 387 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 } 388}; 389 390static const struct usb_config rum_config[RUM_N_TRANSFER] = { 391 [RUM_BULK_WR] = { 392 .type = UE_BULK, 393 .endpoint = UE_ADDR_ANY, 394 .direction = UE_DIR_OUT, 395 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8), 396 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 397 .callback = rum_bulk_write_callback, 398 .timeout = 5000, /* ms */ 399 }, 400 [RUM_BULK_RD] = { 401 .type = UE_BULK, 402 .endpoint = UE_ADDR_ANY, 403 .direction = UE_DIR_IN, 404 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE), 405 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 406 .callback = rum_bulk_read_callback, 407 }, 408}; 409 410static int 411rum_match(device_t self) 412{ 413 struct usb_attach_arg *uaa = device_get_ivars(self); 414 415 if (uaa->usb_mode != USB_MODE_HOST) 416 return (ENXIO); 417 if (uaa->info.bConfigIndex != 0) 418 return (ENXIO); 419 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX) 420 return (ENXIO); 421 422 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa)); 423} 424 425static int 426rum_attach(device_t self) 427{ 428 struct usb_attach_arg *uaa = device_get_ivars(self); 429 struct rum_softc *sc = device_get_softc(self); 430 struct ieee80211com *ic = &sc->sc_ic; 431 uint8_t iface_index, bands; 432 uint32_t tmp; 433 int error, ntries; 434 435 device_set_usb_desc(self); 436 sc->sc_udev = uaa->device; 437 sc->sc_dev = self; 438 439 mtx_init(&sc->sc_mtx, device_get_nameunit(self), 440 MTX_NETWORK_LOCK, MTX_DEF); 441 mbufq_init(&sc->sc_snd, ifqmaxlen); 442 443 iface_index = RT2573_IFACE_INDEX; 444 error = usbd_transfer_setup(uaa->device, &iface_index, 445 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 446 if (error) { 447 device_printf(self, "could not allocate USB transfers, " 448 "err=%s\n", usbd_errstr(error)); 449 goto detach; 450 } 451 452 RUM_LOCK(sc); 453 /* retrieve RT2573 rev. no */ 454 for (ntries = 0; ntries < 100; ntries++) { 455 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0) 456 break; 457 if (rum_pause(sc, hz / 100)) 458 break; 459 } 460 if (ntries == 100) { 461 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n"); 462 RUM_UNLOCK(sc); 463 goto detach; 464 } 465 466 /* retrieve MAC address and various other things from EEPROM */ 467 rum_read_eeprom(sc); 468 469 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 470 tmp, rum_get_rf(sc->rf_rev)); 471 472 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 473 RUM_UNLOCK(sc); 474 475 ic->ic_softc = sc; 476 ic->ic_name = device_get_nameunit(self); 477 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 478 479 /* set device capabilities */ 480 ic->ic_caps = 481 IEEE80211_C_STA /* station mode supported */ 482 | IEEE80211_C_IBSS /* IBSS mode supported */ 483 | IEEE80211_C_MONITOR /* monitor mode supported */ 484 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 485 | IEEE80211_C_TXPMGT /* tx power management */ 486 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 487 | IEEE80211_C_SHSLOT /* short slot time supported */ 488 | IEEE80211_C_BGSCAN /* bg scanning supported */ 489 | IEEE80211_C_WPA /* 802.11i */ 490 ; 491 492 bands = 0; 493 setbit(&bands, IEEE80211_MODE_11B); 494 setbit(&bands, IEEE80211_MODE_11G); 495 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226) 496 setbit(&bands, IEEE80211_MODE_11A); 497 ieee80211_init_channels(ic, NULL, &bands); 498 499 ieee80211_ifattach(ic); 500 ic->ic_update_promisc = rum_update_promisc; 501 ic->ic_raw_xmit = rum_raw_xmit; 502 ic->ic_scan_start = rum_scan_start; 503 ic->ic_scan_end = rum_scan_end; 504 ic->ic_set_channel = rum_set_channel; 505 ic->ic_transmit = rum_transmit; 506 ic->ic_parent = rum_parent; 507 ic->ic_vap_create = rum_vap_create; 508 ic->ic_vap_delete = rum_vap_delete; 509 ic->ic_update_mcast = rum_update_mcast; 510 511 ieee80211_radiotap_attach(ic, 512 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 513 RT2573_TX_RADIOTAP_PRESENT, 514 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 515 RT2573_RX_RADIOTAP_PRESENT); 516 517 if (bootverbose) 518 ieee80211_announce(ic); 519 520 return (0); 521 522detach: 523 rum_detach(self); 524 return (ENXIO); /* failure */ 525} 526 527static int 528rum_detach(device_t self) 529{ 530 struct rum_softc *sc = device_get_softc(self); 531 532 /* Prevent further ioctls */ 533 RUM_LOCK(sc); 534 sc->sc_detached = 1; 535 RUM_UNLOCK(sc); 536 537 /* stop all USB transfers */ 538 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 539 540 /* free TX list, if any */ 541 RUM_LOCK(sc); 542 rum_unsetup_tx_list(sc); 543 RUM_UNLOCK(sc); 544 545 if (sc->sc_ic.ic_softc == sc) 546 ieee80211_ifdetach(&sc->sc_ic); 547 mbufq_drain(&sc->sc_snd); 548 mtx_destroy(&sc->sc_mtx); 549 return (0); 550} 551 552static usb_error_t 553rum_do_request(struct rum_softc *sc, 554 struct usb_device_request *req, void *data) 555{ 556 usb_error_t err; 557 int ntries = 10; 558 559 while (ntries--) { 560 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 561 req, data, 0, NULL, 250 /* ms */); 562 if (err == 0) 563 break; 564 565 DPRINTFN(1, "Control request failed, %s (retrying)\n", 566 usbd_errstr(err)); 567 if (rum_pause(sc, hz / 100)) 568 break; 569 } 570 return (err); 571} 572 573static struct ieee80211vap * 574rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 575 enum ieee80211_opmode opmode, int flags, 576 const uint8_t bssid[IEEE80211_ADDR_LEN], 577 const uint8_t mac[IEEE80211_ADDR_LEN]) 578{ 579 struct rum_softc *sc = ic->ic_softc; 580 struct rum_vap *rvp; 581 struct ieee80211vap *vap; 582 583 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 584 return NULL; 585 rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO); 586 vap = &rvp->vap; 587 /* enable s/w bmiss handling for sta mode */ 588 589 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 590 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 591 /* out of memory */ 592 free(rvp, M_80211_VAP); 593 return (NULL); 594 } 595 596 /* override state transition machine */ 597 rvp->newstate = vap->iv_newstate; 598 vap->iv_newstate = rum_newstate; 599 600 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0); 601 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp); 602 ieee80211_ratectl_init(vap); 603 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 604 /* complete setup */ 605 ieee80211_vap_attach(vap, ieee80211_media_change, 606 ieee80211_media_status, mac); 607 ic->ic_opmode = opmode; 608 return vap; 609} 610 611static void 612rum_vap_delete(struct ieee80211vap *vap) 613{ 614 struct rum_vap *rvp = RUM_VAP(vap); 615 struct ieee80211com *ic = vap->iv_ic; 616 617 usb_callout_drain(&rvp->ratectl_ch); 618 ieee80211_draintask(ic, &rvp->ratectl_task); 619 ieee80211_ratectl_deinit(vap); 620 ieee80211_vap_detach(vap); 621 free(rvp, M_80211_VAP); 622} 623 624static void 625rum_tx_free(struct rum_tx_data *data, int txerr) 626{ 627 struct rum_softc *sc = data->sc; 628 629 if (data->m != NULL) { 630 ieee80211_tx_complete(data->ni, data->m, txerr); 631 data->m = NULL; 632 data->ni = NULL; 633 } 634 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 635 sc->tx_nfree++; 636} 637 638static void 639rum_setup_tx_list(struct rum_softc *sc) 640{ 641 struct rum_tx_data *data; 642 int i; 643 644 sc->tx_nfree = 0; 645 STAILQ_INIT(&sc->tx_q); 646 STAILQ_INIT(&sc->tx_free); 647 648 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 649 data = &sc->tx_data[i]; 650 651 data->sc = sc; 652 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 653 sc->tx_nfree++; 654 } 655} 656 657static void 658rum_unsetup_tx_list(struct rum_softc *sc) 659{ 660 struct rum_tx_data *data; 661 int i; 662 663 /* make sure any subsequent use of the queues will fail */ 664 sc->tx_nfree = 0; 665 STAILQ_INIT(&sc->tx_q); 666 STAILQ_INIT(&sc->tx_free); 667 668 /* free up all node references and mbufs */ 669 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 670 data = &sc->tx_data[i]; 671 672 if (data->m != NULL) { 673 m_freem(data->m); 674 data->m = NULL; 675 } 676 if (data->ni != NULL) { 677 ieee80211_free_node(data->ni); 678 data->ni = NULL; 679 } 680 } 681} 682 683static int 684rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 685{ 686 struct rum_vap *rvp = RUM_VAP(vap); 687 struct ieee80211com *ic = vap->iv_ic; 688 struct rum_softc *sc = ic->ic_softc; 689 const struct ieee80211_txparam *tp; 690 enum ieee80211_state ostate; 691 struct ieee80211_node *ni; 692 693 ostate = vap->iv_state; 694 DPRINTF("%s -> %s\n", 695 ieee80211_state_name[ostate], 696 ieee80211_state_name[nstate]); 697 698 IEEE80211_UNLOCK(ic); 699 RUM_LOCK(sc); 700 usb_callout_stop(&rvp->ratectl_ch); 701 702 switch (nstate) { 703 case IEEE80211_S_INIT: 704 if (ostate == IEEE80211_S_RUN) 705 rum_abort_tsf_sync(sc); 706 707 break; 708 709 case IEEE80211_S_RUN: 710 ni = ieee80211_ref_node(vap->iv_bss); 711 712 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 713 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) { 714 RUM_UNLOCK(sc); 715 IEEE80211_LOCK(ic); 716 ieee80211_free_node(ni); 717 return (-1); 718 } 719 rum_update_slot(sc); 720 rum_enable_mrr(sc); 721 rum_set_txpreamble(sc); 722 rum_set_basicrates(sc); 723 IEEE80211_ADDR_COPY(ic->ic_macaddr, ni->ni_bssid); 724 rum_set_bssid(sc, ic->ic_macaddr); 725 } 726 727 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 728 vap->iv_opmode == IEEE80211_M_IBSS) 729 rum_prepare_beacon(sc, vap); 730 731 if (vap->iv_opmode != IEEE80211_M_MONITOR) 732 rum_enable_tsf_sync(sc); 733 else 734 rum_enable_tsf(sc); 735 736 /* enable automatic rate adaptation */ 737 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 738 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 739 rum_ratectl_start(sc, ni); 740 ieee80211_free_node(ni); 741 break; 742 default: 743 break; 744 } 745 RUM_UNLOCK(sc); 746 IEEE80211_LOCK(ic); 747 return (rvp->newstate(vap, nstate, arg)); 748} 749 750static void 751rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 752{ 753 struct rum_softc *sc = usbd_xfer_softc(xfer); 754 struct ieee80211vap *vap; 755 struct rum_tx_data *data; 756 struct mbuf *m; 757 struct usb_page_cache *pc; 758 unsigned int len; 759 int actlen, sumlen; 760 761 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 762 763 switch (USB_GET_STATE(xfer)) { 764 case USB_ST_TRANSFERRED: 765 DPRINTFN(11, "transfer complete, %d bytes\n", actlen); 766 767 /* free resources */ 768 data = usbd_xfer_get_priv(xfer); 769 rum_tx_free(data, 0); 770 usbd_xfer_set_priv(xfer, NULL); 771 772 /* FALLTHROUGH */ 773 case USB_ST_SETUP: 774tr_setup: 775 data = STAILQ_FIRST(&sc->tx_q); 776 if (data) { 777 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 778 m = data->m; 779 780 if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) { 781 DPRINTFN(0, "data overflow, %u bytes\n", 782 m->m_pkthdr.len); 783 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 784 } 785 pc = usbd_xfer_get_frame(xfer, 0); 786 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE); 787 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0, 788 m->m_pkthdr.len); 789 790 vap = data->ni->ni_vap; 791 if (ieee80211_radiotap_active_vap(vap)) { 792 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 793 794 tap->wt_flags = 0; 795 tap->wt_rate = data->rate; 796 tap->wt_antenna = sc->tx_ant; 797 798 ieee80211_radiotap_tx(vap, m); 799 } 800 801 /* align end on a 4-bytes boundary */ 802 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3; 803 if ((len % 64) == 0) 804 len += 4; 805 806 DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 807 m->m_pkthdr.len, len); 808 809 usbd_xfer_set_frame_len(xfer, 0, len); 810 usbd_xfer_set_priv(xfer, data); 811 812 usbd_transfer_submit(xfer); 813 } 814 rum_start(sc); 815 break; 816 817 default: /* Error */ 818 DPRINTFN(11, "transfer error, %s\n", 819 usbd_errstr(error)); 820 821 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 822 data = usbd_xfer_get_priv(xfer); 823 if (data != NULL) { 824 rum_tx_free(data, error); 825 usbd_xfer_set_priv(xfer, NULL); 826 } 827 828 if (error != USB_ERR_CANCELLED) { 829 if (error == USB_ERR_TIMEOUT) 830 device_printf(sc->sc_dev, "device timeout\n"); 831 832 /* 833 * Try to clear stall first, also if other 834 * errors occur, hence clearing stall 835 * introduces a 50 ms delay: 836 */ 837 usbd_xfer_set_stall(xfer); 838 goto tr_setup; 839 } 840 break; 841 } 842} 843 844static void 845rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 846{ 847 struct rum_softc *sc = usbd_xfer_softc(xfer); 848 struct ieee80211com *ic = &sc->sc_ic; 849 struct ieee80211_node *ni; 850 struct mbuf *m = NULL; 851 struct usb_page_cache *pc; 852 uint32_t flags; 853 uint8_t rssi = 0; 854 int len; 855 856 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 857 858 switch (USB_GET_STATE(xfer)) { 859 case USB_ST_TRANSFERRED: 860 861 DPRINTFN(15, "rx done, actlen=%d\n", len); 862 863 if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 864 DPRINTF("%s: xfer too short %d\n", 865 device_get_nameunit(sc->sc_dev), len); 866 counter_u64_add(ic->ic_ierrors, 1); 867 goto tr_setup; 868 } 869 870 len -= RT2573_RX_DESC_SIZE; 871 pc = usbd_xfer_get_frame(xfer, 0); 872 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 873 874 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 875 flags = le32toh(sc->sc_rx_desc.flags); 876 if (flags & RT2573_RX_CRC_ERROR) { 877 /* 878 * This should not happen since we did not 879 * request to receive those frames when we 880 * filled RUM_TXRX_CSR2: 881 */ 882 DPRINTFN(5, "PHY or CRC error\n"); 883 counter_u64_add(ic->ic_ierrors, 1); 884 goto tr_setup; 885 } 886 887 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 888 if (m == NULL) { 889 DPRINTF("could not allocate mbuf\n"); 890 counter_u64_add(ic->ic_ierrors, 1); 891 goto tr_setup; 892 } 893 usbd_copy_out(pc, RT2573_RX_DESC_SIZE, 894 mtod(m, uint8_t *), len); 895 896 /* finalize mbuf */ 897 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 898 899 if (ieee80211_radiotap_active(ic)) { 900 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 901 902 /* XXX read tsf */ 903 tap->wr_flags = 0; 904 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 905 (flags & RT2573_RX_OFDM) ? 906 IEEE80211_T_OFDM : IEEE80211_T_CCK); 907 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi; 908 tap->wr_antnoise = RT2573_NOISE_FLOOR; 909 tap->wr_antenna = sc->rx_ant; 910 } 911 /* FALLTHROUGH */ 912 case USB_ST_SETUP: 913tr_setup: 914 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 915 usbd_transfer_submit(xfer); 916 917 /* 918 * At the end of a USB callback it is always safe to unlock 919 * the private mutex of a device! That is why we do the 920 * "ieee80211_input" here, and not some lines up! 921 */ 922 RUM_UNLOCK(sc); 923 if (m) { 924 ni = ieee80211_find_rxnode(ic, 925 mtod(m, struct ieee80211_frame_min *)); 926 if (ni != NULL) { 927 (void) ieee80211_input(ni, m, rssi, 928 RT2573_NOISE_FLOOR); 929 ieee80211_free_node(ni); 930 } else 931 (void) ieee80211_input_all(ic, m, rssi, 932 RT2573_NOISE_FLOOR); 933 } 934 RUM_LOCK(sc); 935 rum_start(sc); 936 return; 937 938 default: /* Error */ 939 if (error != USB_ERR_CANCELLED) { 940 /* try to clear stall first */ 941 usbd_xfer_set_stall(xfer); 942 goto tr_setup; 943 } 944 return; 945 } 946} 947 948static uint8_t 949rum_plcp_signal(int rate) 950{ 951 switch (rate) { 952 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 953 case 12: return 0xb; 954 case 18: return 0xf; 955 case 24: return 0xa; 956 case 36: return 0xe; 957 case 48: return 0x9; 958 case 72: return 0xd; 959 case 96: return 0x8; 960 case 108: return 0xc; 961 962 /* CCK rates (NB: not IEEE std, device-specific) */ 963 case 2: return 0x0; 964 case 4: return 0x1; 965 case 11: return 0x2; 966 case 22: return 0x3; 967 } 968 return 0xff; /* XXX unsupported/unknown rate */ 969} 970 971static void 972rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc, 973 uint32_t flags, uint16_t xflags, int len, int rate) 974{ 975 struct ieee80211com *ic = &sc->sc_ic; 976 uint16_t plcp_length; 977 int remainder; 978 979 desc->flags = htole32(flags); 980 desc->flags |= htole32(RT2573_TX_VALID); 981 desc->flags |= htole32(len << 16); 982 983 desc->xflags = htole16(xflags); 984 985 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 986 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 987 988 /* setup PLCP fields */ 989 desc->plcp_signal = rum_plcp_signal(rate); 990 desc->plcp_service = 4; 991 992 len += IEEE80211_CRC_LEN; 993 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) { 994 desc->flags |= htole32(RT2573_TX_OFDM); 995 996 plcp_length = len & 0xfff; 997 desc->plcp_length_hi = plcp_length >> 6; 998 desc->plcp_length_lo = plcp_length & 0x3f; 999 } else { 1000 if (rate == 0) 1001 rate = 2; /* avoid division by zero */ 1002 plcp_length = (16 * len + rate - 1) / rate; 1003 if (rate == 22) { 1004 remainder = (16 * len) % 22; 1005 if (remainder != 0 && remainder < 7) 1006 desc->plcp_service |= RT2573_PLCP_LENGEXT; 1007 } 1008 desc->plcp_length_hi = plcp_length >> 8; 1009 desc->plcp_length_lo = plcp_length & 0xff; 1010 1011 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1012 desc->plcp_signal |= 0x08; 1013 } 1014} 1015 1016static int 1017rum_sendprot(struct rum_softc *sc, 1018 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 1019{ 1020 struct ieee80211com *ic = ni->ni_ic; 1021 const struct ieee80211_frame *wh; 1022 struct rum_tx_data *data; 1023 struct mbuf *mprot; 1024 int protrate, ackrate, pktlen, flags, isshort; 1025 uint16_t dur; 1026 1027 RUM_LOCK_ASSERT(sc, MA_OWNED); 1028 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 1029 ("protection %d", prot)); 1030 1031 wh = mtod(m, const struct ieee80211_frame *); 1032 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 1033 1034 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 1035 ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 1036 1037 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 1038 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 1039 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1040 flags = RT2573_TX_MORE_FRAG; 1041 if (prot == IEEE80211_PROT_RTSCTS) { 1042 /* NB: CTS is the same size as an ACK */ 1043 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1044 flags |= RT2573_TX_NEED_ACK; 1045 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 1046 } else { 1047 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 1048 } 1049 if (mprot == NULL) { 1050 /* XXX stat + msg */ 1051 return (ENOBUFS); 1052 } 1053 data = STAILQ_FIRST(&sc->tx_free); 1054 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1055 sc->tx_nfree--; 1056 1057 data->m = mprot; 1058 data->ni = ieee80211_ref_node(ni); 1059 data->rate = protrate; 1060 rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate); 1061 1062 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1063 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1064 1065 return 0; 1066} 1067 1068static int 1069rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1070{ 1071 struct ieee80211vap *vap = ni->ni_vap; 1072 struct ieee80211com *ic = &sc->sc_ic; 1073 struct rum_tx_data *data; 1074 struct ieee80211_frame *wh; 1075 const struct ieee80211_txparam *tp; 1076 struct ieee80211_key *k; 1077 uint32_t flags = 0; 1078 uint16_t dur; 1079 1080 RUM_LOCK_ASSERT(sc, MA_OWNED); 1081 1082 data = STAILQ_FIRST(&sc->tx_free); 1083 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1084 sc->tx_nfree--; 1085 1086 wh = mtod(m0, struct ieee80211_frame *); 1087 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1088 k = ieee80211_crypto_encap(ni, m0); 1089 if (k == NULL) { 1090 m_freem(m0); 1091 return ENOBUFS; 1092 } 1093 wh = mtod(m0, struct ieee80211_frame *); 1094 } 1095 1096 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1097 1098 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1099 flags |= RT2573_TX_NEED_ACK; 1100 1101 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 1102 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1103 USETW(wh->i_dur, dur); 1104 1105 /* tell hardware to add timestamp for probe responses */ 1106 if ((wh->i_fc[0] & 1107 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1108 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1109 flags |= RT2573_TX_TIMESTAMP; 1110 } 1111 1112 data->m = m0; 1113 data->ni = ni; 1114 data->rate = tp->mgmtrate; 1115 1116 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate); 1117 1118 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", 1119 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate); 1120 1121 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1122 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1123 1124 return (0); 1125} 1126 1127static int 1128rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1129 const struct ieee80211_bpf_params *params) 1130{ 1131 struct ieee80211com *ic = ni->ni_ic; 1132 struct rum_tx_data *data; 1133 uint32_t flags; 1134 int rate, error; 1135 1136 RUM_LOCK_ASSERT(sc, MA_OWNED); 1137 KASSERT(params != NULL, ("no raw xmit params")); 1138 1139 rate = params->ibp_rate0; 1140 if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 1141 m_freem(m0); 1142 return EINVAL; 1143 } 1144 flags = 0; 1145 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 1146 flags |= RT2573_TX_NEED_ACK; 1147 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 1148 error = rum_sendprot(sc, m0, ni, 1149 params->ibp_flags & IEEE80211_BPF_RTS ? 1150 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 1151 rate); 1152 if (error || sc->tx_nfree == 0) { 1153 m_freem(m0); 1154 return ENOBUFS; 1155 } 1156 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1157 } 1158 1159 data = STAILQ_FIRST(&sc->tx_free); 1160 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1161 sc->tx_nfree--; 1162 1163 data->m = m0; 1164 data->ni = ni; 1165 data->rate = rate; 1166 1167 /* XXX need to setup descriptor ourself */ 1168 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate); 1169 1170 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 1171 m0->m_pkthdr.len, rate); 1172 1173 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1174 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1175 1176 return 0; 1177} 1178 1179static int 1180rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1181{ 1182 struct ieee80211vap *vap = ni->ni_vap; 1183 struct ieee80211com *ic = &sc->sc_ic; 1184 struct rum_tx_data *data; 1185 struct ieee80211_frame *wh; 1186 const struct ieee80211_txparam *tp; 1187 struct ieee80211_key *k; 1188 uint32_t flags = 0; 1189 uint16_t dur; 1190 int error, rate; 1191 1192 RUM_LOCK_ASSERT(sc, MA_OWNED); 1193 1194 wh = mtod(m0, struct ieee80211_frame *); 1195 1196 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1197 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1198 rate = tp->mcastrate; 1199 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 1200 rate = tp->ucastrate; 1201 else 1202 rate = ni->ni_txrate; 1203 1204 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1205 k = ieee80211_crypto_encap(ni, m0); 1206 if (k == NULL) { 1207 m_freem(m0); 1208 return ENOBUFS; 1209 } 1210 1211 /* packet header may have moved, reset our local pointer */ 1212 wh = mtod(m0, struct ieee80211_frame *); 1213 } 1214 1215 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1216 int prot = IEEE80211_PROT_NONE; 1217 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 1218 prot = IEEE80211_PROT_RTSCTS; 1219 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 1220 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) 1221 prot = ic->ic_protmode; 1222 if (prot != IEEE80211_PROT_NONE) { 1223 error = rum_sendprot(sc, m0, ni, prot, rate); 1224 if (error || sc->tx_nfree == 0) { 1225 m_freem(m0); 1226 return ENOBUFS; 1227 } 1228 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1229 } 1230 } 1231 1232 data = STAILQ_FIRST(&sc->tx_free); 1233 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1234 sc->tx_nfree--; 1235 1236 data->m = m0; 1237 data->ni = ni; 1238 data->rate = rate; 1239 1240 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1241 flags |= RT2573_TX_NEED_ACK; 1242 flags |= RT2573_TX_MORE_FRAG; 1243 1244 dur = ieee80211_ack_duration(ic->ic_rt, rate, 1245 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1246 USETW(wh->i_dur, dur); 1247 } 1248 1249 rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate); 1250 1251 DPRINTFN(10, "sending frame len=%d rate=%d\n", 1252 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate); 1253 1254 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1255 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1256 1257 return 0; 1258} 1259 1260static int 1261rum_transmit(struct ieee80211com *ic, struct mbuf *m) 1262{ 1263 struct rum_softc *sc = ic->ic_softc; 1264 int error; 1265 1266 RUM_LOCK(sc); 1267 if (!sc->sc_running) { 1268 RUM_UNLOCK(sc); 1269 return (ENXIO); 1270 } 1271 error = mbufq_enqueue(&sc->sc_snd, m); 1272 if (error) { 1273 RUM_UNLOCK(sc); 1274 return (error); 1275 } 1276 rum_start(sc); 1277 RUM_UNLOCK(sc); 1278 1279 return (0); 1280} 1281 1282static void 1283rum_start(struct rum_softc *sc) 1284{ 1285 struct ieee80211_node *ni; 1286 struct mbuf *m; 1287 1288 RUM_LOCK_ASSERT(sc, MA_OWNED); 1289 1290 if (!sc->sc_running) 1291 return; 1292 1293 while (sc->tx_nfree >= RUM_TX_MINFREE && 1294 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1295 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1296 if (rum_tx_data(sc, m, ni) != 0) { 1297 if_inc_counter(ni->ni_vap->iv_ifp, 1298 IFCOUNTER_OERRORS, 1); 1299 ieee80211_free_node(ni); 1300 break; 1301 } 1302 } 1303} 1304 1305static void 1306rum_parent(struct ieee80211com *ic) 1307{ 1308 struct rum_softc *sc = ic->ic_softc; 1309 int startall = 0; 1310 1311 RUM_LOCK(sc); 1312 if (sc->sc_detached) { 1313 RUM_UNLOCK(sc); 1314 return; 1315 } 1316 if (ic->ic_nrunning > 0) { 1317 if (!sc->sc_running) { 1318 rum_init(sc); 1319 startall = 1; 1320 } else 1321 rum_setpromisc(sc); 1322 } else if (sc->sc_running) 1323 rum_stop(sc); 1324 RUM_UNLOCK(sc); 1325 if (startall) 1326 ieee80211_start_all(ic); 1327} 1328 1329static void 1330rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len) 1331{ 1332 struct usb_device_request req; 1333 usb_error_t error; 1334 1335 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1336 req.bRequest = RT2573_READ_EEPROM; 1337 USETW(req.wValue, 0); 1338 USETW(req.wIndex, addr); 1339 USETW(req.wLength, len); 1340 1341 error = rum_do_request(sc, &req, buf); 1342 if (error != 0) { 1343 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1344 usbd_errstr(error)); 1345 } 1346} 1347 1348static uint32_t 1349rum_read(struct rum_softc *sc, uint16_t reg) 1350{ 1351 uint32_t val; 1352 1353 rum_read_multi(sc, reg, &val, sizeof val); 1354 1355 return le32toh(val); 1356} 1357 1358static void 1359rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len) 1360{ 1361 struct usb_device_request req; 1362 usb_error_t error; 1363 1364 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1365 req.bRequest = RT2573_READ_MULTI_MAC; 1366 USETW(req.wValue, 0); 1367 USETW(req.wIndex, reg); 1368 USETW(req.wLength, len); 1369 1370 error = rum_do_request(sc, &req, buf); 1371 if (error != 0) { 1372 device_printf(sc->sc_dev, 1373 "could not multi read MAC register: %s\n", 1374 usbd_errstr(error)); 1375 } 1376} 1377 1378static usb_error_t 1379rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 1380{ 1381 uint32_t tmp = htole32(val); 1382 1383 return (rum_write_multi(sc, reg, &tmp, sizeof tmp)); 1384} 1385 1386static usb_error_t 1387rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len) 1388{ 1389 struct usb_device_request req; 1390 usb_error_t error; 1391 size_t offset; 1392 1393 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1394 req.bRequest = RT2573_WRITE_MULTI_MAC; 1395 USETW(req.wValue, 0); 1396 1397 /* write at most 64 bytes at a time */ 1398 for (offset = 0; offset < len; offset += 64) { 1399 USETW(req.wIndex, reg + offset); 1400 USETW(req.wLength, MIN(len - offset, 64)); 1401 1402 error = rum_do_request(sc, &req, (char *)buf + offset); 1403 if (error != 0) { 1404 device_printf(sc->sc_dev, 1405 "could not multi write MAC register: %s\n", 1406 usbd_errstr(error)); 1407 return (error); 1408 } 1409 } 1410 1411 return (USB_ERR_NORMAL_COMPLETION); 1412} 1413 1414static int 1415rum_bbp_busy(struct rum_softc *sc) 1416{ 1417 int ntries; 1418 1419 for (ntries = 0; ntries < 100; ntries++) { 1420 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY)) 1421 break; 1422 if (rum_pause(sc, hz / 100)) 1423 break; 1424 } 1425 if (ntries == 100) 1426 return (ETIMEDOUT); 1427 1428 return (0); 1429} 1430 1431static void 1432rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 1433{ 1434 uint32_t tmp; 1435 1436 DPRINTFN(2, "reg=0x%08x\n", reg); 1437 1438 if (rum_bbp_busy(sc) != 0) { 1439 device_printf(sc->sc_dev, "could not write to BBP\n"); 1440 return; 1441 } 1442 1443 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val; 1444 rum_write(sc, RT2573_PHY_CSR3, tmp); 1445} 1446 1447static uint8_t 1448rum_bbp_read(struct rum_softc *sc, uint8_t reg) 1449{ 1450 uint32_t val; 1451 int ntries; 1452 1453 DPRINTFN(2, "reg=0x%08x\n", reg); 1454 1455 if (rum_bbp_busy(sc) != 0) { 1456 device_printf(sc->sc_dev, "could not read BBP\n"); 1457 return 0; 1458 } 1459 1460 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8; 1461 rum_write(sc, RT2573_PHY_CSR3, val); 1462 1463 for (ntries = 0; ntries < 100; ntries++) { 1464 val = rum_read(sc, RT2573_PHY_CSR3); 1465 if (!(val & RT2573_BBP_BUSY)) 1466 return val & 0xff; 1467 if (rum_pause(sc, hz / 100)) 1468 break; 1469 } 1470 1471 device_printf(sc->sc_dev, "could not read BBP\n"); 1472 return 0; 1473} 1474 1475static void 1476rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 1477{ 1478 uint32_t tmp; 1479 int ntries; 1480 1481 for (ntries = 0; ntries < 100; ntries++) { 1482 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY)) 1483 break; 1484 if (rum_pause(sc, hz / 100)) 1485 break; 1486 } 1487 if (ntries == 100) { 1488 device_printf(sc->sc_dev, "could not write to RF\n"); 1489 return; 1490 } 1491 1492 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 | 1493 (reg & 3); 1494 rum_write(sc, RT2573_PHY_CSR4, tmp); 1495 1496 /* remember last written value in sc */ 1497 sc->rf_regs[reg] = val; 1498 1499 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff); 1500} 1501 1502static void 1503rum_select_antenna(struct rum_softc *sc) 1504{ 1505 uint8_t bbp4, bbp77; 1506 uint32_t tmp; 1507 1508 bbp4 = rum_bbp_read(sc, 4); 1509 bbp77 = rum_bbp_read(sc, 77); 1510 1511 /* TBD */ 1512 1513 /* make sure Rx is disabled before switching antenna */ 1514 tmp = rum_read(sc, RT2573_TXRX_CSR0); 1515 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 1516 1517 rum_bbp_write(sc, 4, bbp4); 1518 rum_bbp_write(sc, 77, bbp77); 1519 1520 rum_write(sc, RT2573_TXRX_CSR0, tmp); 1521} 1522 1523/* 1524 * Enable multi-rate retries for frames sent at OFDM rates. 1525 * In 802.11b/g mode, allow fallback to CCK rates. 1526 */ 1527static void 1528rum_enable_mrr(struct rum_softc *sc) 1529{ 1530 struct ieee80211com *ic = &sc->sc_ic; 1531 uint32_t tmp; 1532 1533 tmp = rum_read(sc, RT2573_TXRX_CSR4); 1534 1535 tmp &= ~RT2573_MRR_CCK_FALLBACK; 1536 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) 1537 tmp |= RT2573_MRR_CCK_FALLBACK; 1538 tmp |= RT2573_MRR_ENABLED; 1539 1540 rum_write(sc, RT2573_TXRX_CSR4, tmp); 1541} 1542 1543static void 1544rum_set_txpreamble(struct rum_softc *sc) 1545{ 1546 struct ieee80211com *ic = &sc->sc_ic; 1547 uint32_t tmp; 1548 1549 tmp = rum_read(sc, RT2573_TXRX_CSR4); 1550 1551 tmp &= ~RT2573_SHORT_PREAMBLE; 1552 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1553 tmp |= RT2573_SHORT_PREAMBLE; 1554 1555 rum_write(sc, RT2573_TXRX_CSR4, tmp); 1556} 1557 1558static void 1559rum_set_basicrates(struct rum_softc *sc) 1560{ 1561 struct ieee80211com *ic = &sc->sc_ic; 1562 1563 /* update basic rate set */ 1564 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1565 /* 11b basic rates: 1, 2Mbps */ 1566 rum_write(sc, RT2573_TXRX_CSR5, 0x3); 1567 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { 1568 /* 11a basic rates: 6, 12, 24Mbps */ 1569 rum_write(sc, RT2573_TXRX_CSR5, 0x150); 1570 } else { 1571 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1572 rum_write(sc, RT2573_TXRX_CSR5, 0xf); 1573 } 1574} 1575 1576/* 1577 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1578 * driver. 1579 */ 1580static void 1581rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c) 1582{ 1583 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1584 uint32_t tmp; 1585 1586 /* update all BBP registers that depend on the band */ 1587 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c; 1588 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48; 1589 if (IEEE80211_IS_CHAN_5GHZ(c)) { 1590 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c; 1591 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10; 1592 } 1593 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1594 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1595 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10; 1596 } 1597 1598 sc->bbp17 = bbp17; 1599 rum_bbp_write(sc, 17, bbp17); 1600 rum_bbp_write(sc, 96, bbp96); 1601 rum_bbp_write(sc, 104, bbp104); 1602 1603 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1604 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1605 rum_bbp_write(sc, 75, 0x80); 1606 rum_bbp_write(sc, 86, 0x80); 1607 rum_bbp_write(sc, 88, 0x80); 1608 } 1609 1610 rum_bbp_write(sc, 35, bbp35); 1611 rum_bbp_write(sc, 97, bbp97); 1612 rum_bbp_write(sc, 98, bbp98); 1613 1614 tmp = rum_read(sc, RT2573_PHY_CSR0); 1615 tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ); 1616 if (IEEE80211_IS_CHAN_2GHZ(c)) 1617 tmp |= RT2573_PA_PE_2GHZ; 1618 else 1619 tmp |= RT2573_PA_PE_5GHZ; 1620 rum_write(sc, RT2573_PHY_CSR0, tmp); 1621} 1622 1623static void 1624rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c) 1625{ 1626 struct ieee80211com *ic = &sc->sc_ic; 1627 const struct rfprog *rfprog; 1628 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT; 1629 int8_t power; 1630 int i, chan; 1631 1632 chan = ieee80211_chan2ieee(ic, c); 1633 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1634 return; 1635 1636 /* select the appropriate RF settings based on what EEPROM says */ 1637 rfprog = (sc->rf_rev == RT2573_RF_5225 || 1638 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226; 1639 1640 /* find the settings for this channel (we know it exists) */ 1641 for (i = 0; rfprog[i].chan != chan; i++); 1642 1643 power = sc->txpow[i]; 1644 if (power < 0) { 1645 bbp94 += power; 1646 power = 0; 1647 } else if (power > 31) { 1648 bbp94 += power - 31; 1649 power = 31; 1650 } 1651 1652 /* 1653 * If we are switching from the 2GHz band to the 5GHz band or 1654 * vice-versa, BBP registers need to be reprogrammed. 1655 */ 1656 if (c->ic_flags != ic->ic_curchan->ic_flags) { 1657 rum_select_band(sc, c); 1658 rum_select_antenna(sc); 1659 } 1660 ic->ic_curchan = c; 1661 1662 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1663 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1664 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1665 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1666 1667 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1668 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1669 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1); 1670 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1671 1672 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1673 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1674 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1675 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1676 1677 rum_pause(sc, hz / 100); 1678 1679 /* enable smart mode for MIMO-capable RFs */ 1680 bbp3 = rum_bbp_read(sc, 3); 1681 1682 bbp3 &= ~RT2573_SMART_MODE; 1683 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527) 1684 bbp3 |= RT2573_SMART_MODE; 1685 1686 rum_bbp_write(sc, 3, bbp3); 1687 1688 if (bbp94 != RT2573_BBPR94_DEFAULT) 1689 rum_bbp_write(sc, 94, bbp94); 1690 1691 /* give the chip some extra time to do the switchover */ 1692 rum_pause(sc, hz / 100); 1693} 1694 1695/* 1696 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS 1697 * and HostAP operating modes. 1698 */ 1699static void 1700rum_enable_tsf_sync(struct rum_softc *sc) 1701{ 1702 struct ieee80211com *ic = &sc->sc_ic; 1703 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1704 uint32_t tmp; 1705 1706 if (vap->iv_opmode != IEEE80211_M_STA) { 1707 /* 1708 * Change default 16ms TBTT adjustment to 8ms. 1709 * Must be done before enabling beacon generation. 1710 */ 1711 rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8); 1712 } 1713 1714 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1715 1716 /* set beacon interval (in 1/16ms unit) */ 1717 tmp |= vap->iv_bss->ni_intval * 16; 1718 1719 tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT; 1720 if (vap->iv_opmode == IEEE80211_M_STA) 1721 tmp |= RT2573_TSF_MODE(1); 1722 else 1723 tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON; 1724 1725 rum_write(sc, RT2573_TXRX_CSR9, tmp); 1726} 1727 1728static void 1729rum_enable_tsf(struct rum_softc *sc) 1730{ 1731 rum_write(sc, RT2573_TXRX_CSR9, 1732 (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) | 1733 RT2573_TSF_TICKING | RT2573_TSF_MODE(2)); 1734} 1735 1736static void 1737rum_abort_tsf_sync(struct rum_softc *sc) 1738{ 1739 uint32_t tmp; 1740 1741 tmp = rum_read(sc, RT2573_TXRX_CSR9); 1742 rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff); 1743} 1744 1745static void 1746rum_update_slot(struct rum_softc *sc) 1747{ 1748 struct ieee80211com *ic = &sc->sc_ic; 1749 uint8_t slottime; 1750 uint32_t tmp; 1751 1752 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1753 1754 tmp = rum_read(sc, RT2573_MAC_CSR9); 1755 tmp = (tmp & ~0xff) | slottime; 1756 rum_write(sc, RT2573_MAC_CSR9, tmp); 1757 1758 DPRINTF("setting slot time to %uus\n", slottime); 1759} 1760 1761static void 1762rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid) 1763{ 1764 uint32_t tmp; 1765 1766 tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24; 1767 rum_write(sc, RT2573_MAC_CSR4, tmp); 1768 1769 tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16; 1770 rum_write(sc, RT2573_MAC_CSR5, tmp); 1771} 1772 1773static void 1774rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr) 1775{ 1776 uint32_t tmp; 1777 1778 tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24; 1779 rum_write(sc, RT2573_MAC_CSR2, tmp); 1780 1781 tmp = addr[4] | addr[5] << 8 | 0xff << 16; 1782 rum_write(sc, RT2573_MAC_CSR3, tmp); 1783} 1784 1785static void 1786rum_setpromisc(struct rum_softc *sc) 1787{ 1788 uint32_t tmp; 1789 1790 tmp = rum_read(sc, RT2573_TXRX_CSR0); 1791 1792 tmp &= ~RT2573_DROP_NOT_TO_ME; 1793 if (sc->sc_ic.ic_promisc == 0) 1794 tmp |= RT2573_DROP_NOT_TO_ME; 1795 1796 rum_write(sc, RT2573_TXRX_CSR0, tmp); 1797 1798 DPRINTF("%s promiscuous mode\n", sc->sc_ic.ic_promisc > 0 ? 1799 "entering" : "leaving"); 1800} 1801 1802static void 1803rum_update_promisc(struct ieee80211com *ic) 1804{ 1805 struct rum_softc *sc = ic->ic_softc; 1806 1807 RUM_LOCK(sc); 1808 if (!sc->sc_running) { 1809 RUM_UNLOCK(sc); 1810 return; 1811 } 1812 rum_setpromisc(sc); 1813 RUM_UNLOCK(sc); 1814} 1815 1816static void 1817rum_update_mcast(struct ieee80211com *ic) 1818{ 1819 static int warning_printed; 1820 1821 if (warning_printed == 0) { 1822 ic_printf(ic, "need to implement %s\n", __func__); 1823 warning_printed = 1; 1824 } 1825} 1826 1827static const char * 1828rum_get_rf(int rev) 1829{ 1830 switch (rev) { 1831 case RT2573_RF_2527: return "RT2527 (MIMO XR)"; 1832 case RT2573_RF_2528: return "RT2528"; 1833 case RT2573_RF_5225: return "RT5225 (MIMO XR)"; 1834 case RT2573_RF_5226: return "RT5226"; 1835 default: return "unknown"; 1836 } 1837} 1838 1839static void 1840rum_read_eeprom(struct rum_softc *sc) 1841{ 1842 uint16_t val; 1843#ifdef RUM_DEBUG 1844 int i; 1845#endif 1846 1847 /* read MAC address */ 1848 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6); 1849 1850 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2); 1851 val = le16toh(val); 1852 sc->rf_rev = (val >> 11) & 0x1f; 1853 sc->hw_radio = (val >> 10) & 0x1; 1854 sc->rx_ant = (val >> 4) & 0x3; 1855 sc->tx_ant = (val >> 2) & 0x3; 1856 sc->nb_ant = val & 0x3; 1857 1858 DPRINTF("RF revision=%d\n", sc->rf_rev); 1859 1860 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2); 1861 val = le16toh(val); 1862 sc->ext_5ghz_lna = (val >> 6) & 0x1; 1863 sc->ext_2ghz_lna = (val >> 4) & 0x1; 1864 1865 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n", 1866 sc->ext_2ghz_lna, sc->ext_5ghz_lna); 1867 1868 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2); 1869 val = le16toh(val); 1870 if ((val & 0xff) != 0xff) 1871 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 1872 1873 /* Only [-10, 10] is valid */ 1874 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10) 1875 sc->rssi_2ghz_corr = 0; 1876 1877 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2); 1878 val = le16toh(val); 1879 if ((val & 0xff) != 0xff) 1880 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 1881 1882 /* Only [-10, 10] is valid */ 1883 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10) 1884 sc->rssi_5ghz_corr = 0; 1885 1886 if (sc->ext_2ghz_lna) 1887 sc->rssi_2ghz_corr -= 14; 1888 if (sc->ext_5ghz_lna) 1889 sc->rssi_5ghz_corr -= 14; 1890 1891 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n", 1892 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr); 1893 1894 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2); 1895 val = le16toh(val); 1896 if ((val & 0xff) != 0xff) 1897 sc->rffreq = val & 0xff; 1898 1899 DPRINTF("RF freq=%d\n", sc->rffreq); 1900 1901 /* read Tx power for all a/b/g channels */ 1902 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14); 1903 /* XXX default Tx power for 802.11a channels */ 1904 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14); 1905#ifdef RUM_DEBUG 1906 for (i = 0; i < 14; i++) 1907 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]); 1908#endif 1909 1910 /* read default values for BBP registers */ 1911 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 1912#ifdef RUM_DEBUG 1913 for (i = 0; i < 14; i++) { 1914 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 1915 continue; 1916 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg, 1917 sc->bbp_prom[i].val); 1918 } 1919#endif 1920} 1921 1922static int 1923rum_bbp_init(struct rum_softc *sc) 1924{ 1925 int i, ntries; 1926 1927 /* wait for BBP to be ready */ 1928 for (ntries = 0; ntries < 100; ntries++) { 1929 const uint8_t val = rum_bbp_read(sc, 0); 1930 if (val != 0 && val != 0xff) 1931 break; 1932 if (rum_pause(sc, hz / 100)) 1933 break; 1934 } 1935 if (ntries == 100) { 1936 device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 1937 return EIO; 1938 } 1939 1940 /* initialize BBP registers to default values */ 1941 for (i = 0; i < N(rum_def_bbp); i++) 1942 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 1943 1944 /* write vendor-specific BBP values (from EEPROM) */ 1945 for (i = 0; i < 16; i++) { 1946 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 1947 continue; 1948 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 1949 } 1950 1951 return 0; 1952} 1953 1954static void 1955rum_init(struct rum_softc *sc) 1956{ 1957 struct ieee80211com *ic = &sc->sc_ic; 1958 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1959 uint32_t tmp; 1960 usb_error_t error; 1961 int i, ntries; 1962 1963 RUM_LOCK_ASSERT(sc, MA_OWNED); 1964 1965 rum_stop(sc); 1966 1967 /* initialize MAC registers to default values */ 1968 for (i = 0; i < N(rum_def_mac); i++) 1969 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 1970 1971 /* set host ready */ 1972 rum_write(sc, RT2573_MAC_CSR1, 3); 1973 rum_write(sc, RT2573_MAC_CSR1, 0); 1974 1975 /* wait for BBP/RF to wakeup */ 1976 for (ntries = 0; ntries < 100; ntries++) { 1977 if (rum_read(sc, RT2573_MAC_CSR12) & 8) 1978 break; 1979 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 1980 if (rum_pause(sc, hz / 100)) 1981 break; 1982 } 1983 if (ntries == 100) { 1984 device_printf(sc->sc_dev, 1985 "timeout waiting for BBP/RF to wakeup\n"); 1986 goto fail; 1987 } 1988 1989 if ((error = rum_bbp_init(sc)) != 0) 1990 goto fail; 1991 1992 /* select default channel */ 1993 rum_select_band(sc, ic->ic_curchan); 1994 rum_select_antenna(sc); 1995 rum_set_chan(sc, ic->ic_curchan); 1996 1997 /* clear STA registers */ 1998 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 1999 2000 rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 2001 2002 /* initialize ASIC */ 2003 rum_write(sc, RT2573_MAC_CSR1, 4); 2004 2005 /* 2006 * Allocate Tx and Rx xfer queues. 2007 */ 2008 rum_setup_tx_list(sc); 2009 2010 /* update Rx filter */ 2011 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2012 2013 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2014 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2015 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2016 RT2573_DROP_ACKCTS; 2017 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2018 tmp |= RT2573_DROP_TODS; 2019 if (ic->ic_promisc == 0) 2020 tmp |= RT2573_DROP_NOT_TO_ME; 2021 } 2022 rum_write(sc, RT2573_TXRX_CSR0, tmp); 2023 2024 sc->sc_running = 1; 2025 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]); 2026 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]); 2027 return; 2028 2029fail: rum_stop(sc); 2030#undef N 2031} 2032 2033static void 2034rum_stop(struct rum_softc *sc) 2035{ 2036 uint32_t tmp; 2037 2038 RUM_LOCK_ASSERT(sc, MA_OWNED); 2039 2040 sc->sc_running = 0; 2041 2042 RUM_UNLOCK(sc); 2043 2044 /* 2045 * Drain the USB transfers, if not already drained: 2046 */ 2047 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]); 2048 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]); 2049 2050 RUM_LOCK(sc); 2051 2052 rum_unsetup_tx_list(sc); 2053 2054 /* disable Rx */ 2055 tmp = rum_read(sc, RT2573_TXRX_CSR0); 2056 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 2057 2058 /* reset ASIC */ 2059 rum_write(sc, RT2573_MAC_CSR1, 3); 2060 rum_write(sc, RT2573_MAC_CSR1, 0); 2061} 2062 2063static void 2064rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size) 2065{ 2066 struct usb_device_request req; 2067 uint16_t reg = RT2573_MCU_CODE_BASE; 2068 usb_error_t err; 2069 2070 /* copy firmware image into NIC */ 2071 for (; size >= 4; reg += 4, ucode += 4, size -= 4) { 2072 err = rum_write(sc, reg, UGETDW(ucode)); 2073 if (err) { 2074 /* firmware already loaded ? */ 2075 device_printf(sc->sc_dev, "Firmware load " 2076 "failure! (ignored)\n"); 2077 break; 2078 } 2079 } 2080 2081 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2082 req.bRequest = RT2573_MCU_CNTL; 2083 USETW(req.wValue, RT2573_MCU_RUN); 2084 USETW(req.wIndex, 0); 2085 USETW(req.wLength, 0); 2086 2087 err = rum_do_request(sc, &req, NULL); 2088 if (err != 0) { 2089 device_printf(sc->sc_dev, "could not run firmware: %s\n", 2090 usbd_errstr(err)); 2091 } 2092 2093 /* give the chip some time to boot */ 2094 rum_pause(sc, hz / 8); 2095} 2096 2097static void 2098rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap) 2099{ 2100 struct ieee80211com *ic = vap->iv_ic; 2101 const struct ieee80211_txparam *tp; 2102 struct rum_tx_desc desc; 2103 struct mbuf *m0; 2104 2105 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC) 2106 return; 2107 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) 2108 return; 2109 2110 m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo); 2111 if (m0 == NULL) 2112 return; 2113 2114 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2115 rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ, 2116 m0->m_pkthdr.len, tp->mgmtrate); 2117 2118 /* copy the first 24 bytes of Tx descriptor into NIC memory */ 2119 rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24); 2120 2121 /* copy beacon header and payload into NIC memory */ 2122 rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *), 2123 m0->m_pkthdr.len); 2124 2125 m_freem(m0); 2126} 2127 2128static int 2129rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2130 const struct ieee80211_bpf_params *params) 2131{ 2132 struct rum_softc *sc = ni->ni_ic->ic_softc; 2133 2134 RUM_LOCK(sc); 2135 /* prevent management frames from being sent if we're not ready */ 2136 if (!sc->sc_running) { 2137 RUM_UNLOCK(sc); 2138 m_freem(m); 2139 ieee80211_free_node(ni); 2140 return ENETDOWN; 2141 } 2142 if (sc->tx_nfree < RUM_TX_MINFREE) { 2143 RUM_UNLOCK(sc); 2144 m_freem(m); 2145 ieee80211_free_node(ni); 2146 return EIO; 2147 } 2148 2149 if (params == NULL) { 2150 /* 2151 * Legacy path; interpret frame contents to decide 2152 * precisely how to send the frame. 2153 */ 2154 if (rum_tx_mgt(sc, m, ni) != 0) 2155 goto bad; 2156 } else { 2157 /* 2158 * Caller supplied explicit parameters to use in 2159 * sending the frame. 2160 */ 2161 if (rum_tx_raw(sc, m, ni, params) != 0) 2162 goto bad; 2163 } 2164 RUM_UNLOCK(sc); 2165 2166 return 0; 2167bad: 2168 RUM_UNLOCK(sc); 2169 ieee80211_free_node(ni); 2170 return EIO; 2171} 2172 2173static void 2174rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni) 2175{ 2176 struct ieee80211vap *vap = ni->ni_vap; 2177 struct rum_vap *rvp = RUM_VAP(vap); 2178 2179 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2180 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 2181 2182 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2183} 2184 2185static void 2186rum_ratectl_timeout(void *arg) 2187{ 2188 struct rum_vap *rvp = arg; 2189 struct ieee80211vap *vap = &rvp->vap; 2190 struct ieee80211com *ic = vap->iv_ic; 2191 2192 ieee80211_runtask(ic, &rvp->ratectl_task); 2193} 2194 2195static void 2196rum_ratectl_task(void *arg, int pending) 2197{ 2198 struct rum_vap *rvp = arg; 2199 struct ieee80211vap *vap = &rvp->vap; 2200 struct ieee80211com *ic = vap->iv_ic; 2201 struct rum_softc *sc = ic->ic_softc; 2202 struct ieee80211_node *ni; 2203 int ok, fail; 2204 int sum, retrycnt; 2205 2206 RUM_LOCK(sc); 2207 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2208 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta)); 2209 2210 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */ 2211 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */ 2212 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */ 2213 sum = ok+fail; 2214 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail; 2215 2216 ni = ieee80211_ref_node(vap->iv_bss); 2217 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt); 2218 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2219 ieee80211_free_node(ni); 2220 2221 /* count TX retry-fail as Tx errors */ 2222 if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, fail); 2223 2224 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2225 RUM_UNLOCK(sc); 2226} 2227 2228static void 2229rum_scan_start(struct ieee80211com *ic) 2230{ 2231 struct rum_softc *sc = ic->ic_softc; 2232 2233 RUM_LOCK(sc); 2234 rum_abort_tsf_sync(sc); 2235 rum_set_bssid(sc, ieee80211broadcastaddr); 2236 RUM_UNLOCK(sc); 2237 2238} 2239 2240static void 2241rum_scan_end(struct ieee80211com *ic) 2242{ 2243 struct rum_softc *sc = ic->ic_softc; 2244 2245 RUM_LOCK(sc); 2246 rum_enable_tsf_sync(sc); 2247 rum_set_bssid(sc, ic->ic_macaddr); 2248 RUM_UNLOCK(sc); 2249 2250} 2251 2252static void 2253rum_set_channel(struct ieee80211com *ic) 2254{ 2255 struct rum_softc *sc = ic->ic_softc; 2256 2257 RUM_LOCK(sc); 2258 rum_set_chan(sc, ic->ic_curchan); 2259 RUM_UNLOCK(sc); 2260} 2261 2262static int 2263rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2264{ 2265 struct ieee80211com *ic = &sc->sc_ic; 2266 int lna, agc, rssi; 2267 2268 lna = (raw >> 5) & 0x3; 2269 agc = raw & 0x1f; 2270 2271 if (lna == 0) { 2272 /* 2273 * No RSSI mapping 2274 * 2275 * NB: Since RSSI is relative to noise floor, -1 is 2276 * adequate for caller to know error happened. 2277 */ 2278 return -1; 2279 } 2280 2281 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2282 2283 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2284 rssi += sc->rssi_2ghz_corr; 2285 2286 if (lna == 1) 2287 rssi -= 64; 2288 else if (lna == 2) 2289 rssi -= 74; 2290 else if (lna == 3) 2291 rssi -= 90; 2292 } else { 2293 rssi += sc->rssi_5ghz_corr; 2294 2295 if (!sc->ext_5ghz_lna && lna != 1) 2296 rssi += 4; 2297 2298 if (lna == 1) 2299 rssi -= 64; 2300 else if (lna == 2) 2301 rssi -= 86; 2302 else if (lna == 3) 2303 rssi -= 100; 2304 } 2305 return rssi; 2306} 2307 2308static int 2309rum_pause(struct rum_softc *sc, int timeout) 2310{ 2311 2312 usb_pause_mtx(&sc->sc_mtx, timeout); 2313 return (0); 2314} 2315 2316static device_method_t rum_methods[] = { 2317 /* Device interface */ 2318 DEVMETHOD(device_probe, rum_match), 2319 DEVMETHOD(device_attach, rum_attach), 2320 DEVMETHOD(device_detach, rum_detach), 2321 DEVMETHOD_END 2322}; 2323 2324static driver_t rum_driver = { 2325 .name = "rum", 2326 .methods = rum_methods, 2327 .size = sizeof(struct rum_softc), 2328}; 2329 2330static devclass_t rum_devclass; 2331 2332DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0); 2333MODULE_DEPEND(rum, wlan, 1, 1, 1); 2334MODULE_DEPEND(rum, usb, 1, 1, 1); 2335MODULE_VERSION(rum, 1); 2336