if_rum.c revision 288633
1/* $FreeBSD: head/sys/dev/usb/wlan/if_rum.c 288633 2015-10-03 20:49:08Z 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 288633 2015-10-03 20:49:08Z 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 89static const STRUCT_USB_HOST_ID rum_devs[] = { 90#define RUM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 91 RUM_DEV(ABOCOM, HWU54DM), 92 RUM_DEV(ABOCOM, RT2573_2), 93 RUM_DEV(ABOCOM, RT2573_3), 94 RUM_DEV(ABOCOM, RT2573_4), 95 RUM_DEV(ABOCOM, WUG2700), 96 RUM_DEV(AMIT, CGWLUSB2GO), 97 RUM_DEV(ASUS, RT2573_1), 98 RUM_DEV(ASUS, RT2573_2), 99 RUM_DEV(BELKIN, F5D7050A), 100 RUM_DEV(BELKIN, F5D9050V3), 101 RUM_DEV(CISCOLINKSYS, WUSB54GC), 102 RUM_DEV(CISCOLINKSYS, WUSB54GR), 103 RUM_DEV(CONCEPTRONIC2, C54RU2), 104 RUM_DEV(COREGA, CGWLUSB2GL), 105 RUM_DEV(COREGA, CGWLUSB2GPX), 106 RUM_DEV(DICKSMITH, CWD854F), 107 RUM_DEV(DICKSMITH, RT2573), 108 RUM_DEV(EDIMAX, EW7318USG), 109 RUM_DEV(DLINK2, DWLG122C1), 110 RUM_DEV(DLINK2, WUA1340), 111 RUM_DEV(DLINK2, DWA111), 112 RUM_DEV(DLINK2, DWA110), 113 RUM_DEV(GIGABYTE, GNWB01GS), 114 RUM_DEV(GIGABYTE, GNWI05GS), 115 RUM_DEV(GIGASET, RT2573), 116 RUM_DEV(GOODWAY, RT2573), 117 RUM_DEV(GUILLEMOT, HWGUSB254LB), 118 RUM_DEV(GUILLEMOT, HWGUSB254V2AP), 119 RUM_DEV(HUAWEI3COM, WUB320G), 120 RUM_DEV(MELCO, G54HP), 121 RUM_DEV(MELCO, SG54HP), 122 RUM_DEV(MELCO, SG54HG), 123 RUM_DEV(MELCO, WLIUCG), 124 RUM_DEV(MELCO, WLRUCG), 125 RUM_DEV(MELCO, WLRUCGAOSS), 126 RUM_DEV(MSI, RT2573_1), 127 RUM_DEV(MSI, RT2573_2), 128 RUM_DEV(MSI, RT2573_3), 129 RUM_DEV(MSI, RT2573_4), 130 RUM_DEV(NOVATECH, RT2573), 131 RUM_DEV(PLANEX2, GWUS54HP), 132 RUM_DEV(PLANEX2, GWUS54MINI2), 133 RUM_DEV(PLANEX2, GWUSMM), 134 RUM_DEV(QCOM, RT2573), 135 RUM_DEV(QCOM, RT2573_2), 136 RUM_DEV(QCOM, RT2573_3), 137 RUM_DEV(RALINK, RT2573), 138 RUM_DEV(RALINK, RT2573_2), 139 RUM_DEV(RALINK, RT2671), 140 RUM_DEV(SITECOMEU, WL113R2), 141 RUM_DEV(SITECOMEU, WL172), 142 RUM_DEV(SPARKLAN, RT2573), 143 RUM_DEV(SURECOM, RT2573), 144#undef RUM_DEV 145}; 146 147static device_probe_t rum_match; 148static device_attach_t rum_attach; 149static device_detach_t rum_detach; 150 151static usb_callback_t rum_bulk_read_callback; 152static usb_callback_t rum_bulk_write_callback; 153 154static usb_error_t rum_do_request(struct rum_softc *sc, 155 struct usb_device_request *req, void *data); 156static struct ieee80211vap *rum_vap_create(struct ieee80211com *, 157 const char [IFNAMSIZ], int, enum ieee80211_opmode, 158 int, const uint8_t [IEEE80211_ADDR_LEN], 159 const uint8_t [IEEE80211_ADDR_LEN]); 160static void rum_vap_delete(struct ieee80211vap *); 161static void rum_cmdq_cb(void *, int); 162static int rum_cmd_sleepable(struct rum_softc *, const void *, 163 size_t, uint8_t, uint8_t, CMD_FUNC_PROTO); 164static void rum_tx_free(struct rum_tx_data *, int); 165static void rum_setup_tx_list(struct rum_softc *); 166static void rum_unsetup_tx_list(struct rum_softc *); 167static int rum_newstate(struct ieee80211vap *, 168 enum ieee80211_state, int); 169static uint8_t rum_crypto_mode(struct rum_softc *, u_int, int); 170static void rum_setup_tx_desc(struct rum_softc *, 171 struct rum_tx_desc *, struct ieee80211_key *, 172 uint32_t, uint8_t, int, int, int); 173static uint32_t rum_tx_crypto_flags(struct rum_softc *, 174 struct ieee80211_node *, 175 const struct ieee80211_key *); 176static int rum_tx_mgt(struct rum_softc *, struct mbuf *, 177 struct ieee80211_node *); 178static int rum_tx_raw(struct rum_softc *, struct mbuf *, 179 struct ieee80211_node *, 180 const struct ieee80211_bpf_params *); 181static int rum_tx_data(struct rum_softc *, struct mbuf *, 182 struct ieee80211_node *); 183static int rum_transmit(struct ieee80211com *, struct mbuf *); 184static void rum_start(struct rum_softc *); 185static void rum_parent(struct ieee80211com *); 186static void rum_eeprom_read(struct rum_softc *, uint16_t, void *, 187 int); 188static uint32_t rum_read(struct rum_softc *, uint16_t); 189static void rum_read_multi(struct rum_softc *, uint16_t, void *, 190 int); 191static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t); 192static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *, 193 size_t); 194static usb_error_t rum_setbits(struct rum_softc *, uint16_t, uint32_t); 195static usb_error_t rum_clrbits(struct rum_softc *, uint16_t, uint32_t); 196static usb_error_t rum_modbits(struct rum_softc *, uint16_t, uint32_t, 197 uint32_t); 198static int rum_bbp_busy(struct rum_softc *); 199static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t); 200static uint8_t rum_bbp_read(struct rum_softc *, uint8_t); 201static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t); 202static void rum_select_antenna(struct rum_softc *); 203static void rum_enable_mrr(struct rum_softc *); 204static void rum_set_txpreamble(struct rum_softc *); 205static void rum_set_basicrates(struct rum_softc *); 206static void rum_select_band(struct rum_softc *, 207 struct ieee80211_channel *); 208static void rum_set_chan(struct rum_softc *, 209 struct ieee80211_channel *); 210static int rum_enable_tsf_sync(struct rum_softc *); 211static void rum_enable_tsf(struct rum_softc *); 212static void rum_abort_tsf_sync(struct rum_softc *); 213static void rum_get_tsf(struct rum_softc *, uint64_t *); 214static void rum_update_slot_cb(struct rum_softc *, 215 union sec_param *, uint8_t, uint8_t); 216static void rum_update_slot(struct ieee80211com *); 217static void rum_set_bssid(struct rum_softc *, const uint8_t *); 218static void rum_set_macaddr(struct rum_softc *, const uint8_t *); 219static void rum_update_mcast(struct ieee80211com *); 220static void rum_update_promisc(struct ieee80211com *); 221static void rum_setpromisc(struct rum_softc *); 222static const char *rum_get_rf(int); 223static void rum_read_eeprom(struct rum_softc *); 224static int rum_bbp_wakeup(struct rum_softc *); 225static int rum_bbp_init(struct rum_softc *); 226static void rum_clr_shkey_regs(struct rum_softc *); 227static int rum_init(struct rum_softc *); 228static void rum_stop(struct rum_softc *); 229static void rum_load_microcode(struct rum_softc *, const uint8_t *, 230 size_t); 231static int rum_set_beacon(struct rum_softc *, 232 struct ieee80211vap *); 233static int rum_alloc_beacon(struct rum_softc *, 234 struct ieee80211vap *); 235static void rum_update_beacon_cb(struct rum_softc *, 236 union sec_param *, uint8_t, uint8_t); 237static void rum_update_beacon(struct ieee80211vap *, int); 238static int rum_common_key_set(struct rum_softc *, 239 struct ieee80211_key *, uint16_t); 240static void rum_group_key_set_cb(struct rum_softc *, 241 union sec_param *, uint8_t, uint8_t); 242static void rum_group_key_del_cb(struct rum_softc *, 243 union sec_param *, uint8_t, uint8_t); 244static void rum_pair_key_set_cb(struct rum_softc *, 245 union sec_param *, uint8_t, uint8_t); 246static void rum_pair_key_del_cb(struct rum_softc *, 247 union sec_param *, uint8_t, uint8_t); 248static int rum_key_alloc(struct ieee80211vap *, 249 struct ieee80211_key *, ieee80211_keyix *, 250 ieee80211_keyix *); 251static int rum_key_set(struct ieee80211vap *, 252 const struct ieee80211_key *, 253 const uint8_t mac[IEEE80211_ADDR_LEN]); 254static int rum_key_delete(struct ieee80211vap *, 255 const struct ieee80211_key *); 256static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *, 257 const struct ieee80211_bpf_params *); 258static void rum_scan_start(struct ieee80211com *); 259static void rum_scan_end(struct ieee80211com *); 260static void rum_set_channel(struct ieee80211com *); 261static int rum_get_rssi(struct rum_softc *, uint8_t); 262static void rum_ratectl_start(struct rum_softc *, 263 struct ieee80211_node *); 264static void rum_ratectl_timeout(void *); 265static void rum_ratectl_task(void *, int); 266static int rum_pause(struct rum_softc *, int); 267 268static const struct { 269 uint32_t reg; 270 uint32_t val; 271} rum_def_mac[] = { 272 { RT2573_TXRX_CSR0, 0x025fb032 }, 273 { RT2573_TXRX_CSR1, 0x9eaa9eaf }, 274 { RT2573_TXRX_CSR2, 0x8a8b8c8d }, 275 { RT2573_TXRX_CSR3, 0x00858687 }, 276 { RT2573_TXRX_CSR7, 0x2e31353b }, 277 { RT2573_TXRX_CSR8, 0x2a2a2a2c }, 278 { RT2573_TXRX_CSR15, 0x0000000f }, 279 { RT2573_MAC_CSR6, 0x00000fff }, 280 { RT2573_MAC_CSR8, 0x016c030a }, 281 { RT2573_MAC_CSR10, 0x00000718 }, 282 { RT2573_MAC_CSR12, 0x00000004 }, 283 { RT2573_MAC_CSR13, 0x00007f00 }, 284 { RT2573_SEC_CSR2, 0x00000000 }, 285 { RT2573_SEC_CSR3, 0x00000000 }, 286 { RT2573_SEC_CSR4, 0x00000000 }, 287 { RT2573_PHY_CSR1, 0x000023b0 }, 288 { RT2573_PHY_CSR5, 0x00040a06 }, 289 { RT2573_PHY_CSR6, 0x00080606 }, 290 { RT2573_PHY_CSR7, 0x00000408 }, 291 { RT2573_AIFSN_CSR, 0x00002273 }, 292 { RT2573_CWMIN_CSR, 0x00002344 }, 293 { RT2573_CWMAX_CSR, 0x000034aa } 294}; 295 296static const struct { 297 uint8_t reg; 298 uint8_t val; 299} rum_def_bbp[] = { 300 { 3, 0x80 }, 301 { 15, 0x30 }, 302 { 17, 0x20 }, 303 { 21, 0xc8 }, 304 { 22, 0x38 }, 305 { 23, 0x06 }, 306 { 24, 0xfe }, 307 { 25, 0x0a }, 308 { 26, 0x0d }, 309 { 32, 0x0b }, 310 { 34, 0x12 }, 311 { 37, 0x07 }, 312 { 39, 0xf8 }, 313 { 41, 0x60 }, 314 { 53, 0x10 }, 315 { 54, 0x18 }, 316 { 60, 0x10 }, 317 { 61, 0x04 }, 318 { 62, 0x04 }, 319 { 75, 0xfe }, 320 { 86, 0xfe }, 321 { 88, 0xfe }, 322 { 90, 0x0f }, 323 { 99, 0x00 }, 324 { 102, 0x16 }, 325 { 107, 0x04 } 326}; 327 328static const struct rfprog { 329 uint8_t chan; 330 uint32_t r1, r2, r3, r4; 331} rum_rf5226[] = { 332 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 }, 333 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 }, 334 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 }, 335 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 }, 336 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 }, 337 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 }, 338 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 }, 339 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 }, 340 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 }, 341 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 }, 342 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 }, 343 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 }, 344 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 }, 345 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 }, 346 347 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 }, 348 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 }, 349 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 }, 350 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 }, 351 352 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 }, 353 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 }, 354 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 }, 355 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 }, 356 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 }, 357 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 }, 358 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 }, 359 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 }, 360 361 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 }, 362 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 }, 363 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 }, 364 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 }, 365 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 }, 366 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 }, 367 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 }, 368 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 }, 369 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 }, 370 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 }, 371 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 }, 372 373 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 }, 374 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 }, 375 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 }, 376 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 }, 377 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 } 378}, rum_rf5225[] = { 379 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 }, 380 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 }, 381 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 }, 382 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 }, 383 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 }, 384 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 }, 385 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 }, 386 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 }, 387 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 }, 388 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 }, 389 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 }, 390 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 }, 391 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 }, 392 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 }, 393 394 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 }, 395 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 }, 396 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 }, 397 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 }, 398 399 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 }, 400 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 }, 401 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 }, 402 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 }, 403 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 }, 404 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 }, 405 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 }, 406 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 }, 407 408 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 }, 409 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 }, 410 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 }, 411 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 }, 412 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 }, 413 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 }, 414 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 }, 415 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 }, 416 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 }, 417 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 }, 418 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 }, 419 420 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 }, 421 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 }, 422 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 }, 423 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 }, 424 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 } 425}; 426 427static const struct usb_config rum_config[RUM_N_TRANSFER] = { 428 [RUM_BULK_WR] = { 429 .type = UE_BULK, 430 .endpoint = UE_ADDR_ANY, 431 .direction = UE_DIR_OUT, 432 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8), 433 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 434 .callback = rum_bulk_write_callback, 435 .timeout = 5000, /* ms */ 436 }, 437 [RUM_BULK_RD] = { 438 .type = UE_BULK, 439 .endpoint = UE_ADDR_ANY, 440 .direction = UE_DIR_IN, 441 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE), 442 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 443 .callback = rum_bulk_read_callback, 444 }, 445}; 446 447static int 448rum_match(device_t self) 449{ 450 struct usb_attach_arg *uaa = device_get_ivars(self); 451 452 if (uaa->usb_mode != USB_MODE_HOST) 453 return (ENXIO); 454 if (uaa->info.bConfigIndex != 0) 455 return (ENXIO); 456 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX) 457 return (ENXIO); 458 459 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa)); 460} 461 462static int 463rum_attach(device_t self) 464{ 465 struct usb_attach_arg *uaa = device_get_ivars(self); 466 struct rum_softc *sc = device_get_softc(self); 467 struct ieee80211com *ic = &sc->sc_ic; 468 uint8_t iface_index, bands; 469 uint32_t tmp; 470 int error, ntries; 471 472 device_set_usb_desc(self); 473 sc->sc_udev = uaa->device; 474 sc->sc_dev = self; 475 476 RUM_LOCK_INIT(sc); 477 RUM_CMDQ_LOCK_INIT(sc); 478 mbufq_init(&sc->sc_snd, ifqmaxlen); 479 480 iface_index = RT2573_IFACE_INDEX; 481 error = usbd_transfer_setup(uaa->device, &iface_index, 482 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 483 if (error) { 484 device_printf(self, "could not allocate USB transfers, " 485 "err=%s\n", usbd_errstr(error)); 486 goto detach; 487 } 488 489 RUM_LOCK(sc); 490 /* retrieve RT2573 rev. no */ 491 for (ntries = 0; ntries < 100; ntries++) { 492 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0) 493 break; 494 if (rum_pause(sc, hz / 100)) 495 break; 496 } 497 if (ntries == 100) { 498 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n"); 499 RUM_UNLOCK(sc); 500 goto detach; 501 } 502 503 /* retrieve MAC address and various other things from EEPROM */ 504 rum_read_eeprom(sc); 505 506 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 507 tmp, rum_get_rf(sc->rf_rev)); 508 509 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 510 RUM_UNLOCK(sc); 511 512 ic->ic_softc = sc; 513 ic->ic_name = device_get_nameunit(self); 514 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 515 516 /* set device capabilities */ 517 ic->ic_caps = 518 IEEE80211_C_STA /* station mode supported */ 519 | IEEE80211_C_IBSS /* IBSS mode supported */ 520 | IEEE80211_C_MONITOR /* monitor mode supported */ 521 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 522 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 523 | IEEE80211_C_TXPMGT /* tx power management */ 524 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 525 | IEEE80211_C_SHSLOT /* short slot time supported */ 526 | IEEE80211_C_BGSCAN /* bg scanning supported */ 527 | IEEE80211_C_WPA /* 802.11i */ 528 ; 529 530 ic->ic_cryptocaps = 531 IEEE80211_CRYPTO_WEP | 532 IEEE80211_CRYPTO_AES_CCM | 533 IEEE80211_CRYPTO_TKIPMIC | 534 IEEE80211_CRYPTO_TKIP; 535 536 bands = 0; 537 setbit(&bands, IEEE80211_MODE_11B); 538 setbit(&bands, IEEE80211_MODE_11G); 539 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226) 540 setbit(&bands, IEEE80211_MODE_11A); 541 ieee80211_init_channels(ic, NULL, &bands); 542 543 ieee80211_ifattach(ic); 544 ic->ic_update_promisc = rum_update_promisc; 545 ic->ic_raw_xmit = rum_raw_xmit; 546 ic->ic_scan_start = rum_scan_start; 547 ic->ic_scan_end = rum_scan_end; 548 ic->ic_set_channel = rum_set_channel; 549 ic->ic_transmit = rum_transmit; 550 ic->ic_parent = rum_parent; 551 ic->ic_vap_create = rum_vap_create; 552 ic->ic_vap_delete = rum_vap_delete; 553 ic->ic_updateslot = rum_update_slot; 554 ic->ic_update_mcast = rum_update_mcast; 555 556 ieee80211_radiotap_attach(ic, 557 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 558 RT2573_TX_RADIOTAP_PRESENT, 559 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 560 RT2573_RX_RADIOTAP_PRESENT); 561 562 TASK_INIT(&sc->cmdq_task, 0, rum_cmdq_cb, sc); 563 564 if (bootverbose) 565 ieee80211_announce(ic); 566 567 return (0); 568 569detach: 570 rum_detach(self); 571 return (ENXIO); /* failure */ 572} 573 574static int 575rum_detach(device_t self) 576{ 577 struct rum_softc *sc = device_get_softc(self); 578 struct ieee80211com *ic = &sc->sc_ic; 579 580 /* Prevent further ioctls */ 581 RUM_LOCK(sc); 582 sc->sc_detached = 1; 583 RUM_UNLOCK(sc); 584 585 /* stop all USB transfers */ 586 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 587 588 /* free TX list, if any */ 589 RUM_LOCK(sc); 590 rum_unsetup_tx_list(sc); 591 RUM_UNLOCK(sc); 592 593 if (ic->ic_softc == sc) { 594 ieee80211_draintask(ic, &sc->cmdq_task); 595 ieee80211_ifdetach(ic); 596 } 597 598 mbufq_drain(&sc->sc_snd); 599 RUM_CMDQ_LOCK_DESTROY(sc); 600 RUM_LOCK_DESTROY(sc); 601 602 return (0); 603} 604 605static usb_error_t 606rum_do_request(struct rum_softc *sc, 607 struct usb_device_request *req, void *data) 608{ 609 usb_error_t err; 610 int ntries = 10; 611 612 while (ntries--) { 613 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 614 req, data, 0, NULL, 250 /* ms */); 615 if (err == 0) 616 break; 617 618 DPRINTFN(1, "Control request failed, %s (retrying)\n", 619 usbd_errstr(err)); 620 if (rum_pause(sc, hz / 100)) 621 break; 622 } 623 return (err); 624} 625 626static struct ieee80211vap * 627rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 628 enum ieee80211_opmode opmode, int flags, 629 const uint8_t bssid[IEEE80211_ADDR_LEN], 630 const uint8_t mac[IEEE80211_ADDR_LEN]) 631{ 632 struct rum_softc *sc = ic->ic_softc; 633 struct rum_vap *rvp; 634 struct ieee80211vap *vap; 635 636 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 637 return NULL; 638 rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO); 639 vap = &rvp->vap; 640 /* enable s/w bmiss handling for sta mode */ 641 642 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 643 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 644 /* out of memory */ 645 free(rvp, M_80211_VAP); 646 return (NULL); 647 } 648 649 /* override state transition machine */ 650 rvp->newstate = vap->iv_newstate; 651 vap->iv_newstate = rum_newstate; 652 vap->iv_key_alloc = rum_key_alloc; 653 vap->iv_key_set = rum_key_set; 654 vap->iv_key_delete = rum_key_delete; 655 vap->iv_update_beacon = rum_update_beacon; 656 vap->iv_max_aid = RT2573_ADDR_MAX; 657 658 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0); 659 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp); 660 ieee80211_ratectl_init(vap); 661 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 662 /* complete setup */ 663 ieee80211_vap_attach(vap, ieee80211_media_change, 664 ieee80211_media_status, mac); 665 ic->ic_opmode = opmode; 666 return vap; 667} 668 669static void 670rum_vap_delete(struct ieee80211vap *vap) 671{ 672 struct rum_vap *rvp = RUM_VAP(vap); 673 struct ieee80211com *ic = vap->iv_ic; 674 675 m_freem(rvp->bcn_mbuf); 676 usb_callout_drain(&rvp->ratectl_ch); 677 ieee80211_draintask(ic, &rvp->ratectl_task); 678 ieee80211_ratectl_deinit(vap); 679 ieee80211_vap_detach(vap); 680 free(rvp, M_80211_VAP); 681} 682 683static void 684rum_cmdq_cb(void *arg, int pending) 685{ 686 struct rum_softc *sc = arg; 687 struct rum_cmdq *rc; 688 689 RUM_CMDQ_LOCK(sc); 690 while (sc->cmdq[sc->cmdq_first].func != NULL) { 691 rc = &sc->cmdq[sc->cmdq_first]; 692 RUM_CMDQ_UNLOCK(sc); 693 694 RUM_LOCK(sc); 695 rc->func(sc, &rc->data, rc->rn_id, rc->rvp_id); 696 RUM_UNLOCK(sc); 697 698 RUM_CMDQ_LOCK(sc); 699 memset(rc, 0, sizeof (*rc)); 700 sc->cmdq_first = (sc->cmdq_first + 1) % RUM_CMDQ_SIZE; 701 } 702 RUM_CMDQ_UNLOCK(sc); 703} 704 705static int 706rum_cmd_sleepable(struct rum_softc *sc, const void *ptr, size_t len, 707 uint8_t rn_id, uint8_t rvp_id, CMD_FUNC_PROTO) 708{ 709 struct ieee80211com *ic = &sc->sc_ic; 710 711 KASSERT(len <= sizeof(union sec_param), ("buffer overflow")); 712 713 RUM_CMDQ_LOCK(sc); 714 if (sc->cmdq[sc->cmdq_last].func != NULL) { 715 device_printf(sc->sc_dev, "%s: cmdq overflow\n", __func__); 716 RUM_CMDQ_UNLOCK(sc); 717 718 return EAGAIN; 719 } 720 721 if (ptr != NULL) 722 memcpy(&sc->cmdq[sc->cmdq_last].data, ptr, len); 723 sc->cmdq[sc->cmdq_last].rn_id = rn_id; 724 sc->cmdq[sc->cmdq_last].rvp_id = rvp_id; 725 sc->cmdq[sc->cmdq_last].func = func; 726 sc->cmdq_last = (sc->cmdq_last + 1) % RUM_CMDQ_SIZE; 727 RUM_CMDQ_UNLOCK(sc); 728 729 ieee80211_runtask(ic, &sc->cmdq_task); 730 731 return 0; 732} 733 734static void 735rum_tx_free(struct rum_tx_data *data, int txerr) 736{ 737 struct rum_softc *sc = data->sc; 738 739 if (data->m != NULL) { 740 ieee80211_tx_complete(data->ni, data->m, txerr); 741 data->m = NULL; 742 data->ni = NULL; 743 } 744 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 745 sc->tx_nfree++; 746} 747 748static void 749rum_setup_tx_list(struct rum_softc *sc) 750{ 751 struct rum_tx_data *data; 752 int i; 753 754 sc->tx_nfree = 0; 755 STAILQ_INIT(&sc->tx_q); 756 STAILQ_INIT(&sc->tx_free); 757 758 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 759 data = &sc->tx_data[i]; 760 761 data->sc = sc; 762 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 763 sc->tx_nfree++; 764 } 765} 766 767static void 768rum_unsetup_tx_list(struct rum_softc *sc) 769{ 770 struct rum_tx_data *data; 771 int i; 772 773 /* make sure any subsequent use of the queues will fail */ 774 sc->tx_nfree = 0; 775 STAILQ_INIT(&sc->tx_q); 776 STAILQ_INIT(&sc->tx_free); 777 778 /* free up all node references and mbufs */ 779 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 780 data = &sc->tx_data[i]; 781 782 if (data->m != NULL) { 783 m_freem(data->m); 784 data->m = NULL; 785 } 786 if (data->ni != NULL) { 787 ieee80211_free_node(data->ni); 788 data->ni = NULL; 789 } 790 } 791} 792 793static int 794rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 795{ 796 struct rum_vap *rvp = RUM_VAP(vap); 797 struct ieee80211com *ic = vap->iv_ic; 798 struct rum_softc *sc = ic->ic_softc; 799 const struct ieee80211_txparam *tp; 800 enum ieee80211_state ostate; 801 struct ieee80211_node *ni; 802 int ret; 803 804 ostate = vap->iv_state; 805 DPRINTF("%s -> %s\n", 806 ieee80211_state_name[ostate], 807 ieee80211_state_name[nstate]); 808 809 IEEE80211_UNLOCK(ic); 810 RUM_LOCK(sc); 811 usb_callout_stop(&rvp->ratectl_ch); 812 813 switch (nstate) { 814 case IEEE80211_S_INIT: 815 if (ostate == IEEE80211_S_RUN) 816 rum_abort_tsf_sync(sc); 817 818 break; 819 820 case IEEE80211_S_RUN: 821 ni = ieee80211_ref_node(vap->iv_bss); 822 823 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 824 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) { 825 ret = EINVAL; 826 goto run_fail; 827 } 828 rum_update_slot_cb(sc, NULL, 0, 0); 829 rum_enable_mrr(sc); 830 rum_set_txpreamble(sc); 831 rum_set_basicrates(sc); 832 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 833 rum_set_bssid(sc, sc->sc_bssid); 834 } 835 836 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 837 vap->iv_opmode == IEEE80211_M_IBSS) { 838 if ((ret = rum_alloc_beacon(sc, vap)) != 0) 839 goto run_fail; 840 } 841 842 if (vap->iv_opmode != IEEE80211_M_MONITOR && 843 vap->iv_opmode != IEEE80211_M_AHDEMO) { 844 if ((ret = rum_enable_tsf_sync(sc)) != 0) 845 goto run_fail; 846 } else 847 rum_enable_tsf(sc); 848 849 /* enable automatic rate adaptation */ 850 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 851 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 852 rum_ratectl_start(sc, ni); 853 ieee80211_free_node(ni); 854 break; 855 default: 856 break; 857 } 858 RUM_UNLOCK(sc); 859 IEEE80211_LOCK(ic); 860 return (rvp->newstate(vap, nstate, arg)); 861 862run_fail: 863 RUM_UNLOCK(sc); 864 IEEE80211_LOCK(ic); 865 ieee80211_free_node(ni); 866 return ret; 867} 868 869static void 870rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 871{ 872 struct rum_softc *sc = usbd_xfer_softc(xfer); 873 struct ieee80211vap *vap; 874 struct rum_tx_data *data; 875 struct mbuf *m; 876 struct usb_page_cache *pc; 877 unsigned int len; 878 int actlen, sumlen; 879 880 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 881 882 switch (USB_GET_STATE(xfer)) { 883 case USB_ST_TRANSFERRED: 884 DPRINTFN(11, "transfer complete, %d bytes\n", actlen); 885 886 /* free resources */ 887 data = usbd_xfer_get_priv(xfer); 888 rum_tx_free(data, 0); 889 usbd_xfer_set_priv(xfer, NULL); 890 891 /* FALLTHROUGH */ 892 case USB_ST_SETUP: 893tr_setup: 894 data = STAILQ_FIRST(&sc->tx_q); 895 if (data) { 896 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 897 m = data->m; 898 899 if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) { 900 DPRINTFN(0, "data overflow, %u bytes\n", 901 m->m_pkthdr.len); 902 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 903 } 904 pc = usbd_xfer_get_frame(xfer, 0); 905 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE); 906 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0, 907 m->m_pkthdr.len); 908 909 vap = data->ni->ni_vap; 910 if (ieee80211_radiotap_active_vap(vap)) { 911 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 912 913 tap->wt_flags = 0; 914 tap->wt_rate = data->rate; 915 rum_get_tsf(sc, &tap->wt_tsf); 916 tap->wt_antenna = sc->tx_ant; 917 918 ieee80211_radiotap_tx(vap, m); 919 } 920 921 /* align end on a 4-bytes boundary */ 922 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3; 923 if ((len % 64) == 0) 924 len += 4; 925 926 DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 927 m->m_pkthdr.len, len); 928 929 usbd_xfer_set_frame_len(xfer, 0, len); 930 usbd_xfer_set_priv(xfer, data); 931 932 usbd_transfer_submit(xfer); 933 } 934 rum_start(sc); 935 break; 936 937 default: /* Error */ 938 DPRINTFN(11, "transfer error, %s\n", 939 usbd_errstr(error)); 940 941 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 942 data = usbd_xfer_get_priv(xfer); 943 if (data != NULL) { 944 rum_tx_free(data, error); 945 usbd_xfer_set_priv(xfer, NULL); 946 } 947 948 if (error != USB_ERR_CANCELLED) { 949 if (error == USB_ERR_TIMEOUT) 950 device_printf(sc->sc_dev, "device timeout\n"); 951 952 /* 953 * Try to clear stall first, also if other 954 * errors occur, hence clearing stall 955 * introduces a 50 ms delay: 956 */ 957 usbd_xfer_set_stall(xfer); 958 goto tr_setup; 959 } 960 break; 961 } 962} 963 964static void 965rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 966{ 967 struct rum_softc *sc = usbd_xfer_softc(xfer); 968 struct ieee80211com *ic = &sc->sc_ic; 969 struct ieee80211_frame_min *wh; 970 struct ieee80211_node *ni; 971 struct mbuf *m = NULL; 972 struct usb_page_cache *pc; 973 uint32_t flags; 974 uint8_t rssi = 0; 975 int len; 976 977 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 978 979 switch (USB_GET_STATE(xfer)) { 980 case USB_ST_TRANSFERRED: 981 982 DPRINTFN(15, "rx done, actlen=%d\n", len); 983 984 if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 985 DPRINTF("%s: xfer too short %d\n", 986 device_get_nameunit(sc->sc_dev), len); 987 counter_u64_add(ic->ic_ierrors, 1); 988 goto tr_setup; 989 } 990 991 len -= RT2573_RX_DESC_SIZE; 992 pc = usbd_xfer_get_frame(xfer, 0); 993 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 994 995 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 996 flags = le32toh(sc->sc_rx_desc.flags); 997 if (flags & RT2573_RX_CRC_ERROR) { 998 /* 999 * This should not happen since we did not 1000 * request to receive those frames when we 1001 * filled RUM_TXRX_CSR2: 1002 */ 1003 DPRINTFN(5, "PHY or CRC error\n"); 1004 counter_u64_add(ic->ic_ierrors, 1); 1005 goto tr_setup; 1006 } 1007 if ((flags & RT2573_RX_DEC_MASK) != RT2573_RX_DEC_OK) { 1008 switch (flags & RT2573_RX_DEC_MASK) { 1009 case RT2573_RX_IV_ERROR: 1010 DPRINTFN(5, "IV/EIV error\n"); 1011 break; 1012 case RT2573_RX_MIC_ERROR: 1013 DPRINTFN(5, "MIC error\n"); 1014 break; 1015 case RT2573_RX_KEY_ERROR: 1016 DPRINTFN(5, "Key error\n"); 1017 break; 1018 } 1019 counter_u64_add(ic->ic_ierrors, 1); 1020 goto tr_setup; 1021 } 1022 1023 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1024 if (m == NULL) { 1025 DPRINTF("could not allocate mbuf\n"); 1026 counter_u64_add(ic->ic_ierrors, 1); 1027 goto tr_setup; 1028 } 1029 usbd_copy_out(pc, RT2573_RX_DESC_SIZE, 1030 mtod(m, uint8_t *), len); 1031 1032 wh = mtod(m, struct ieee80211_frame_min *); 1033 1034 if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1035 (flags & RT2573_RX_CIP_MASK) != 1036 RT2573_RX_CIP_MODE(RT2573_MODE_NOSEC)) { 1037 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED; 1038 m->m_flags |= M_WEP; 1039 } 1040 1041 /* finalize mbuf */ 1042 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1043 1044 if (ieee80211_radiotap_active(ic)) { 1045 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1046 1047 tap->wr_flags = 0; 1048 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1049 (flags & RT2573_RX_OFDM) ? 1050 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1051 rum_get_tsf(sc, &tap->wr_tsf); 1052 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi; 1053 tap->wr_antnoise = RT2573_NOISE_FLOOR; 1054 tap->wr_antenna = sc->rx_ant; 1055 } 1056 /* FALLTHROUGH */ 1057 case USB_ST_SETUP: 1058tr_setup: 1059 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1060 usbd_transfer_submit(xfer); 1061 1062 /* 1063 * At the end of a USB callback it is always safe to unlock 1064 * the private mutex of a device! That is why we do the 1065 * "ieee80211_input" here, and not some lines up! 1066 */ 1067 RUM_UNLOCK(sc); 1068 if (m) { 1069 if (m->m_len >= sizeof(struct ieee80211_frame_min)) 1070 ni = ieee80211_find_rxnode(ic, wh); 1071 else 1072 ni = NULL; 1073 1074 if (ni != NULL) { 1075 (void) ieee80211_input(ni, m, rssi, 1076 RT2573_NOISE_FLOOR); 1077 ieee80211_free_node(ni); 1078 } else 1079 (void) ieee80211_input_all(ic, m, rssi, 1080 RT2573_NOISE_FLOOR); 1081 } 1082 RUM_LOCK(sc); 1083 rum_start(sc); 1084 return; 1085 1086 default: /* Error */ 1087 if (error != USB_ERR_CANCELLED) { 1088 /* try to clear stall first */ 1089 usbd_xfer_set_stall(xfer); 1090 goto tr_setup; 1091 } 1092 return; 1093 } 1094} 1095 1096static uint8_t 1097rum_plcp_signal(int rate) 1098{ 1099 switch (rate) { 1100 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1101 case 12: return 0xb; 1102 case 18: return 0xf; 1103 case 24: return 0xa; 1104 case 36: return 0xe; 1105 case 48: return 0x9; 1106 case 72: return 0xd; 1107 case 96: return 0x8; 1108 case 108: return 0xc; 1109 1110 /* CCK rates (NB: not IEEE std, device-specific) */ 1111 case 2: return 0x0; 1112 case 4: return 0x1; 1113 case 11: return 0x2; 1114 case 22: return 0x3; 1115 } 1116 return 0xff; /* XXX unsupported/unknown rate */ 1117} 1118 1119/* 1120 * Map net80211 cipher to RT2573 security mode. 1121 */ 1122static uint8_t 1123rum_crypto_mode(struct rum_softc *sc, u_int cipher, int keylen) 1124{ 1125 switch (cipher) { 1126 case IEEE80211_CIPHER_WEP: 1127 return (keylen < 8 ? RT2573_MODE_WEP40 : RT2573_MODE_WEP104); 1128 case IEEE80211_CIPHER_TKIP: 1129 return RT2573_MODE_TKIP; 1130 case IEEE80211_CIPHER_AES_CCM: 1131 return RT2573_MODE_AES_CCMP; 1132 default: 1133 device_printf(sc->sc_dev, "unknown cipher %d\n", cipher); 1134 return 0; 1135 } 1136} 1137 1138static void 1139rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc, 1140 struct ieee80211_key *k, uint32_t flags, uint8_t xflags, int hdrlen, 1141 int len, int rate) 1142{ 1143 struct ieee80211com *ic = &sc->sc_ic; 1144 uint16_t plcp_length; 1145 int remainder; 1146 1147 flags |= RT2573_TX_VALID; 1148 flags |= len << 16; 1149 1150 if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 1151 const struct ieee80211_cipher *cip = k->wk_cipher; 1152 1153 len += cip->ic_header + cip->ic_trailer + cip->ic_miclen; 1154 1155 desc->eiv = 0; /* for WEP */ 1156 cip->ic_setiv(k, (uint8_t *)&desc->iv); 1157 } 1158 1159 /* setup PLCP fields */ 1160 desc->plcp_signal = rum_plcp_signal(rate); 1161 desc->plcp_service = 4; 1162 1163 len += IEEE80211_CRC_LEN; 1164 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) { 1165 flags |= RT2573_TX_OFDM; 1166 1167 plcp_length = len & 0xfff; 1168 desc->plcp_length_hi = plcp_length >> 6; 1169 desc->plcp_length_lo = plcp_length & 0x3f; 1170 } else { 1171 if (rate == 0) 1172 rate = 2; /* avoid division by zero */ 1173 plcp_length = (16 * len + rate - 1) / rate; 1174 if (rate == 22) { 1175 remainder = (16 * len) % 22; 1176 if (remainder != 0 && remainder < 7) 1177 desc->plcp_service |= RT2573_PLCP_LENGEXT; 1178 } 1179 desc->plcp_length_hi = plcp_length >> 8; 1180 desc->plcp_length_lo = plcp_length & 0xff; 1181 1182 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1183 desc->plcp_signal |= 0x08; 1184 } 1185 1186 desc->flags = htole32(flags); 1187 desc->hdrlen = hdrlen; 1188 desc->xflags = xflags; 1189 1190 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1191 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1192} 1193 1194static int 1195rum_sendprot(struct rum_softc *sc, 1196 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 1197{ 1198 struct ieee80211com *ic = ni->ni_ic; 1199 const struct ieee80211_frame *wh; 1200 struct rum_tx_data *data; 1201 struct mbuf *mprot; 1202 int protrate, pktlen, flags, isshort; 1203 uint16_t dur; 1204 1205 RUM_LOCK_ASSERT(sc); 1206 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 1207 ("protection %d", prot)); 1208 1209 wh = mtod(m, const struct ieee80211_frame *); 1210 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 1211 1212 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 1213 1214 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 1215 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 1216 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1217 flags = RT2573_TX_MORE_FRAG; 1218 if (prot == IEEE80211_PROT_RTSCTS) { 1219 /* NB: CTS is the same size as an ACK */ 1220 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1221 flags |= RT2573_TX_NEED_ACK; 1222 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 1223 } else { 1224 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 1225 } 1226 if (mprot == NULL) { 1227 /* XXX stat + msg */ 1228 return (ENOBUFS); 1229 } 1230 data = STAILQ_FIRST(&sc->tx_free); 1231 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1232 sc->tx_nfree--; 1233 1234 data->m = mprot; 1235 data->ni = ieee80211_ref_node(ni); 1236 data->rate = protrate; 1237 rum_setup_tx_desc(sc, &data->desc, NULL, flags, 0, 0, 1238 mprot->m_pkthdr.len, protrate); 1239 1240 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1241 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1242 1243 return 0; 1244} 1245 1246static uint32_t 1247rum_tx_crypto_flags(struct rum_softc *sc, struct ieee80211_node *ni, 1248 const struct ieee80211_key *k) 1249{ 1250 struct ieee80211vap *vap = ni->ni_vap; 1251 u_int cipher; 1252 uint32_t flags = 0; 1253 uint8_t mode, pos; 1254 1255 if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 1256 cipher = k->wk_cipher->ic_cipher; 1257 pos = k->wk_keyix; 1258 mode = rum_crypto_mode(sc, cipher, k->wk_keylen); 1259 if (mode == 0) 1260 return 0; 1261 1262 flags |= RT2573_TX_CIP_MODE(mode); 1263 1264 /* Do not trust GROUP flag */ 1265 if (!(k >= &vap->iv_nw_keys[0] && 1266 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) 1267 flags |= RT2573_TX_KEY_PAIR; 1268 else 1269 pos += 0 * RT2573_SKEY_MAX; /* vap id */ 1270 1271 flags |= RT2573_TX_KEY_ID(pos); 1272 1273 if (cipher == IEEE80211_CIPHER_TKIP) 1274 flags |= RT2573_TX_TKIPMIC; 1275 } 1276 1277 return flags; 1278} 1279 1280static int 1281rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1282{ 1283 struct ieee80211vap *vap = ni->ni_vap; 1284 struct ieee80211com *ic = &sc->sc_ic; 1285 struct rum_tx_data *data; 1286 struct ieee80211_frame *wh; 1287 const struct ieee80211_txparam *tp; 1288 struct ieee80211_key *k = NULL; 1289 uint32_t flags = 0; 1290 uint16_t dur; 1291 int hdrlen; 1292 1293 RUM_LOCK_ASSERT(sc); 1294 1295 data = STAILQ_FIRST(&sc->tx_free); 1296 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1297 sc->tx_nfree--; 1298 1299 wh = mtod(m0, struct ieee80211_frame *); 1300 hdrlen = ieee80211_anyhdrsize(wh); 1301 1302 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1303 k = ieee80211_crypto_get_txkey(ni, m0); 1304 if (k == NULL) 1305 return (ENOENT); 1306 1307 if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) && 1308 !k->wk_cipher->ic_encap(k, m0)) 1309 return (ENOBUFS); 1310 1311 wh = mtod(m0, struct ieee80211_frame *); 1312 } 1313 1314 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1315 1316 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1317 flags |= RT2573_TX_NEED_ACK; 1318 1319 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 1320 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1321 USETW(wh->i_dur, dur); 1322 1323 /* tell hardware to add timestamp for probe responses */ 1324 if ((wh->i_fc[0] & 1325 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1326 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1327 flags |= RT2573_TX_TIMESTAMP; 1328 } 1329 1330 if (k != NULL) 1331 flags |= rum_tx_crypto_flags(sc, ni, k); 1332 1333 data->m = m0; 1334 data->ni = ni; 1335 data->rate = tp->mgmtrate; 1336 1337 rum_setup_tx_desc(sc, &data->desc, k, flags, 0, hdrlen, 1338 m0->m_pkthdr.len, tp->mgmtrate); 1339 1340 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", 1341 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate); 1342 1343 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1344 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1345 1346 return (0); 1347} 1348 1349static int 1350rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1351 const struct ieee80211_bpf_params *params) 1352{ 1353 struct ieee80211com *ic = ni->ni_ic; 1354 struct rum_tx_data *data; 1355 uint32_t flags; 1356 int rate, error; 1357 1358 RUM_LOCK_ASSERT(sc); 1359 1360 rate = params->ibp_rate0; 1361 if (!ieee80211_isratevalid(ic->ic_rt, rate)) 1362 return (EINVAL); 1363 1364 flags = 0; 1365 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 1366 flags |= RT2573_TX_NEED_ACK; 1367 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 1368 error = rum_sendprot(sc, m0, ni, 1369 params->ibp_flags & IEEE80211_BPF_RTS ? 1370 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 1371 rate); 1372 if (error || sc->tx_nfree == 0) 1373 return (ENOBUFS); 1374 1375 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1376 } 1377 1378 data = STAILQ_FIRST(&sc->tx_free); 1379 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1380 sc->tx_nfree--; 1381 1382 data->m = m0; 1383 data->ni = ni; 1384 data->rate = rate; 1385 1386 /* XXX need to setup descriptor ourself */ 1387 rum_setup_tx_desc(sc, &data->desc, NULL, flags, 0, 0, m0->m_pkthdr.len, 1388 rate); 1389 1390 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 1391 m0->m_pkthdr.len, rate); 1392 1393 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1394 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1395 1396 return 0; 1397} 1398 1399static int 1400rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1401{ 1402 struct ieee80211vap *vap = ni->ni_vap; 1403 struct ieee80211com *ic = &sc->sc_ic; 1404 struct rum_tx_data *data; 1405 struct ieee80211_frame *wh; 1406 const struct ieee80211_txparam *tp; 1407 struct ieee80211_key *k = NULL; 1408 uint32_t flags = 0; 1409 uint16_t dur; 1410 int error, hdrlen, rate; 1411 1412 RUM_LOCK_ASSERT(sc); 1413 1414 wh = mtod(m0, struct ieee80211_frame *); 1415 hdrlen = ieee80211_anyhdrsize(wh); 1416 1417 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1418 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1419 rate = tp->mcastrate; 1420 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 1421 rate = tp->ucastrate; 1422 else 1423 rate = ni->ni_txrate; 1424 1425 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1426 k = ieee80211_crypto_get_txkey(ni, m0); 1427 if (k == NULL) { 1428 m_freem(m0); 1429 return (ENOENT); 1430 } 1431 if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) && 1432 !k->wk_cipher->ic_encap(k, m0)) { 1433 m_freem(m0); 1434 return (ENOBUFS); 1435 } 1436 1437 /* packet header may have moved, reset our local pointer */ 1438 wh = mtod(m0, struct ieee80211_frame *); 1439 } 1440 1441 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1442 int prot = IEEE80211_PROT_NONE; 1443 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 1444 prot = IEEE80211_PROT_RTSCTS; 1445 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 1446 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) 1447 prot = ic->ic_protmode; 1448 if (prot != IEEE80211_PROT_NONE) { 1449 error = rum_sendprot(sc, m0, ni, prot, rate); 1450 if (error || sc->tx_nfree == 0) { 1451 m_freem(m0); 1452 return ENOBUFS; 1453 } 1454 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1455 } 1456 } 1457 1458 if (k != NULL) 1459 flags |= rum_tx_crypto_flags(sc, ni, k); 1460 1461 data = STAILQ_FIRST(&sc->tx_free); 1462 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1463 sc->tx_nfree--; 1464 1465 data->m = m0; 1466 data->ni = ni; 1467 data->rate = rate; 1468 1469 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1470 flags |= RT2573_TX_NEED_ACK; 1471 flags |= RT2573_TX_MORE_FRAG; 1472 1473 dur = ieee80211_ack_duration(ic->ic_rt, rate, 1474 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1475 USETW(wh->i_dur, dur); 1476 } 1477 1478 rum_setup_tx_desc(sc, &data->desc, k, flags, 0, hdrlen, 1479 m0->m_pkthdr.len, rate); 1480 1481 DPRINTFN(10, "sending frame len=%d rate=%d\n", 1482 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate); 1483 1484 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1485 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1486 1487 return 0; 1488} 1489 1490static int 1491rum_transmit(struct ieee80211com *ic, struct mbuf *m) 1492{ 1493 struct rum_softc *sc = ic->ic_softc; 1494 int error; 1495 1496 RUM_LOCK(sc); 1497 if (!sc->sc_running) { 1498 RUM_UNLOCK(sc); 1499 return (ENXIO); 1500 } 1501 error = mbufq_enqueue(&sc->sc_snd, m); 1502 if (error) { 1503 RUM_UNLOCK(sc); 1504 return (error); 1505 } 1506 rum_start(sc); 1507 RUM_UNLOCK(sc); 1508 1509 return (0); 1510} 1511 1512static void 1513rum_start(struct rum_softc *sc) 1514{ 1515 struct ieee80211_node *ni; 1516 struct mbuf *m; 1517 1518 RUM_LOCK_ASSERT(sc); 1519 1520 if (!sc->sc_running) 1521 return; 1522 1523 while (sc->tx_nfree >= RUM_TX_MINFREE && 1524 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1525 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1526 if (rum_tx_data(sc, m, ni) != 0) { 1527 if_inc_counter(ni->ni_vap->iv_ifp, 1528 IFCOUNTER_OERRORS, 1); 1529 ieee80211_free_node(ni); 1530 break; 1531 } 1532 } 1533} 1534 1535static void 1536rum_parent(struct ieee80211com *ic) 1537{ 1538 struct rum_softc *sc = ic->ic_softc; 1539 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1540 1541 RUM_LOCK(sc); 1542 if (sc->sc_detached) { 1543 RUM_UNLOCK(sc); 1544 return; 1545 } 1546 RUM_UNLOCK(sc); 1547 1548 if (ic->ic_nrunning > 0) { 1549 if (rum_init(sc) == 0) 1550 ieee80211_start_all(ic); 1551 else 1552 ieee80211_stop(vap); 1553 } else 1554 rum_stop(sc); 1555} 1556 1557static void 1558rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len) 1559{ 1560 struct usb_device_request req; 1561 usb_error_t error; 1562 1563 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1564 req.bRequest = RT2573_READ_EEPROM; 1565 USETW(req.wValue, 0); 1566 USETW(req.wIndex, addr); 1567 USETW(req.wLength, len); 1568 1569 error = rum_do_request(sc, &req, buf); 1570 if (error != 0) { 1571 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1572 usbd_errstr(error)); 1573 } 1574} 1575 1576static uint32_t 1577rum_read(struct rum_softc *sc, uint16_t reg) 1578{ 1579 uint32_t val; 1580 1581 rum_read_multi(sc, reg, &val, sizeof val); 1582 1583 return le32toh(val); 1584} 1585 1586static void 1587rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len) 1588{ 1589 struct usb_device_request req; 1590 usb_error_t error; 1591 1592 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1593 req.bRequest = RT2573_READ_MULTI_MAC; 1594 USETW(req.wValue, 0); 1595 USETW(req.wIndex, reg); 1596 USETW(req.wLength, len); 1597 1598 error = rum_do_request(sc, &req, buf); 1599 if (error != 0) { 1600 device_printf(sc->sc_dev, 1601 "could not multi read MAC register: %s\n", 1602 usbd_errstr(error)); 1603 } 1604} 1605 1606static usb_error_t 1607rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 1608{ 1609 uint32_t tmp = htole32(val); 1610 1611 return (rum_write_multi(sc, reg, &tmp, sizeof tmp)); 1612} 1613 1614static usb_error_t 1615rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len) 1616{ 1617 struct usb_device_request req; 1618 usb_error_t error; 1619 size_t offset; 1620 1621 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1622 req.bRequest = RT2573_WRITE_MULTI_MAC; 1623 USETW(req.wValue, 0); 1624 1625 /* write at most 64 bytes at a time */ 1626 for (offset = 0; offset < len; offset += 64) { 1627 USETW(req.wIndex, reg + offset); 1628 USETW(req.wLength, MIN(len - offset, 64)); 1629 1630 error = rum_do_request(sc, &req, (char *)buf + offset); 1631 if (error != 0) { 1632 device_printf(sc->sc_dev, 1633 "could not multi write MAC register: %s\n", 1634 usbd_errstr(error)); 1635 return (error); 1636 } 1637 } 1638 1639 return (USB_ERR_NORMAL_COMPLETION); 1640} 1641 1642static usb_error_t 1643rum_setbits(struct rum_softc *sc, uint16_t reg, uint32_t mask) 1644{ 1645 return (rum_write(sc, reg, rum_read(sc, reg) | mask)); 1646} 1647 1648static usb_error_t 1649rum_clrbits(struct rum_softc *sc, uint16_t reg, uint32_t mask) 1650{ 1651 return (rum_write(sc, reg, rum_read(sc, reg) & ~mask)); 1652} 1653 1654static usb_error_t 1655rum_modbits(struct rum_softc *sc, uint16_t reg, uint32_t set, uint32_t unset) 1656{ 1657 return (rum_write(sc, reg, (rum_read(sc, reg) & ~unset) | set)); 1658} 1659 1660static int 1661rum_bbp_busy(struct rum_softc *sc) 1662{ 1663 int ntries; 1664 1665 for (ntries = 0; ntries < 100; ntries++) { 1666 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY)) 1667 break; 1668 if (rum_pause(sc, hz / 100)) 1669 break; 1670 } 1671 if (ntries == 100) 1672 return (ETIMEDOUT); 1673 1674 return (0); 1675} 1676 1677static void 1678rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 1679{ 1680 uint32_t tmp; 1681 1682 DPRINTFN(2, "reg=0x%08x\n", reg); 1683 1684 if (rum_bbp_busy(sc) != 0) { 1685 device_printf(sc->sc_dev, "could not write to BBP\n"); 1686 return; 1687 } 1688 1689 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val; 1690 rum_write(sc, RT2573_PHY_CSR3, tmp); 1691} 1692 1693static uint8_t 1694rum_bbp_read(struct rum_softc *sc, uint8_t reg) 1695{ 1696 uint32_t val; 1697 int ntries; 1698 1699 DPRINTFN(2, "reg=0x%08x\n", reg); 1700 1701 if (rum_bbp_busy(sc) != 0) { 1702 device_printf(sc->sc_dev, "could not read BBP\n"); 1703 return 0; 1704 } 1705 1706 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8; 1707 rum_write(sc, RT2573_PHY_CSR3, val); 1708 1709 for (ntries = 0; ntries < 100; ntries++) { 1710 val = rum_read(sc, RT2573_PHY_CSR3); 1711 if (!(val & RT2573_BBP_BUSY)) 1712 return val & 0xff; 1713 if (rum_pause(sc, hz / 100)) 1714 break; 1715 } 1716 1717 device_printf(sc->sc_dev, "could not read BBP\n"); 1718 return 0; 1719} 1720 1721static void 1722rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 1723{ 1724 uint32_t tmp; 1725 int ntries; 1726 1727 for (ntries = 0; ntries < 100; ntries++) { 1728 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY)) 1729 break; 1730 if (rum_pause(sc, hz / 100)) 1731 break; 1732 } 1733 if (ntries == 100) { 1734 device_printf(sc->sc_dev, "could not write to RF\n"); 1735 return; 1736 } 1737 1738 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 | 1739 (reg & 3); 1740 rum_write(sc, RT2573_PHY_CSR4, tmp); 1741 1742 /* remember last written value in sc */ 1743 sc->rf_regs[reg] = val; 1744 1745 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff); 1746} 1747 1748static void 1749rum_select_antenna(struct rum_softc *sc) 1750{ 1751 uint8_t bbp4, bbp77; 1752 uint32_t tmp; 1753 1754 bbp4 = rum_bbp_read(sc, 4); 1755 bbp77 = rum_bbp_read(sc, 77); 1756 1757 /* TBD */ 1758 1759 /* make sure Rx is disabled before switching antenna */ 1760 tmp = rum_read(sc, RT2573_TXRX_CSR0); 1761 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 1762 1763 rum_bbp_write(sc, 4, bbp4); 1764 rum_bbp_write(sc, 77, bbp77); 1765 1766 rum_write(sc, RT2573_TXRX_CSR0, tmp); 1767} 1768 1769/* 1770 * Enable multi-rate retries for frames sent at OFDM rates. 1771 * In 802.11b/g mode, allow fallback to CCK rates. 1772 */ 1773static void 1774rum_enable_mrr(struct rum_softc *sc) 1775{ 1776 struct ieee80211com *ic = &sc->sc_ic; 1777 1778 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { 1779 rum_setbits(sc, RT2573_TXRX_CSR4, 1780 RT2573_MRR_ENABLED | RT2573_MRR_CCK_FALLBACK); 1781 } else { 1782 rum_modbits(sc, RT2573_TXRX_CSR4, 1783 RT2573_MRR_ENABLED, RT2573_MRR_CCK_FALLBACK); 1784 } 1785} 1786 1787static void 1788rum_set_txpreamble(struct rum_softc *sc) 1789{ 1790 struct ieee80211com *ic = &sc->sc_ic; 1791 1792 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1793 rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE); 1794 else 1795 rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE); 1796} 1797 1798static void 1799rum_set_basicrates(struct rum_softc *sc) 1800{ 1801 struct ieee80211com *ic = &sc->sc_ic; 1802 1803 /* update basic rate set */ 1804 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1805 /* 11b basic rates: 1, 2Mbps */ 1806 rum_write(sc, RT2573_TXRX_CSR5, 0x3); 1807 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { 1808 /* 11a basic rates: 6, 12, 24Mbps */ 1809 rum_write(sc, RT2573_TXRX_CSR5, 0x150); 1810 } else { 1811 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1812 rum_write(sc, RT2573_TXRX_CSR5, 0xf); 1813 } 1814} 1815 1816/* 1817 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1818 * driver. 1819 */ 1820static void 1821rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c) 1822{ 1823 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1824 1825 /* update all BBP registers that depend on the band */ 1826 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c; 1827 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48; 1828 if (IEEE80211_IS_CHAN_5GHZ(c)) { 1829 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c; 1830 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10; 1831 } 1832 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1833 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1834 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10; 1835 } 1836 1837 sc->bbp17 = bbp17; 1838 rum_bbp_write(sc, 17, bbp17); 1839 rum_bbp_write(sc, 96, bbp96); 1840 rum_bbp_write(sc, 104, bbp104); 1841 1842 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1843 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1844 rum_bbp_write(sc, 75, 0x80); 1845 rum_bbp_write(sc, 86, 0x80); 1846 rum_bbp_write(sc, 88, 0x80); 1847 } 1848 1849 rum_bbp_write(sc, 35, bbp35); 1850 rum_bbp_write(sc, 97, bbp97); 1851 rum_bbp_write(sc, 98, bbp98); 1852 1853 if (IEEE80211_IS_CHAN_2GHZ(c)) { 1854 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_2GHZ, 1855 RT2573_PA_PE_5GHZ); 1856 } else { 1857 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_5GHZ, 1858 RT2573_PA_PE_2GHZ); 1859 } 1860} 1861 1862static void 1863rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c) 1864{ 1865 struct ieee80211com *ic = &sc->sc_ic; 1866 const struct rfprog *rfprog; 1867 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT; 1868 int8_t power; 1869 int i, chan; 1870 1871 chan = ieee80211_chan2ieee(ic, c); 1872 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1873 return; 1874 1875 /* select the appropriate RF settings based on what EEPROM says */ 1876 rfprog = (sc->rf_rev == RT2573_RF_5225 || 1877 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226; 1878 1879 /* find the settings for this channel (we know it exists) */ 1880 for (i = 0; rfprog[i].chan != chan; i++); 1881 1882 power = sc->txpow[i]; 1883 if (power < 0) { 1884 bbp94 += power; 1885 power = 0; 1886 } else if (power > 31) { 1887 bbp94 += power - 31; 1888 power = 31; 1889 } 1890 1891 /* 1892 * If we are switching from the 2GHz band to the 5GHz band or 1893 * vice-versa, BBP registers need to be reprogrammed. 1894 */ 1895 if (c->ic_flags != ic->ic_curchan->ic_flags) { 1896 rum_select_band(sc, c); 1897 rum_select_antenna(sc); 1898 } 1899 ic->ic_curchan = c; 1900 1901 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1902 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1903 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1904 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1905 1906 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1907 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1908 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1); 1909 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1910 1911 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1912 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1913 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1914 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1915 1916 rum_pause(sc, hz / 100); 1917 1918 /* enable smart mode for MIMO-capable RFs */ 1919 bbp3 = rum_bbp_read(sc, 3); 1920 1921 bbp3 &= ~RT2573_SMART_MODE; 1922 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527) 1923 bbp3 |= RT2573_SMART_MODE; 1924 1925 rum_bbp_write(sc, 3, bbp3); 1926 1927 if (bbp94 != RT2573_BBPR94_DEFAULT) 1928 rum_bbp_write(sc, 94, bbp94); 1929 1930 /* give the chip some extra time to do the switchover */ 1931 rum_pause(sc, hz / 100); 1932} 1933 1934/* 1935 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS 1936 * and HostAP operating modes. 1937 */ 1938static int 1939rum_enable_tsf_sync(struct rum_softc *sc) 1940{ 1941 struct ieee80211com *ic = &sc->sc_ic; 1942 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1943 uint32_t tmp; 1944 1945 if (vap->iv_opmode != IEEE80211_M_STA) { 1946 /* 1947 * Change default 16ms TBTT adjustment to 8ms. 1948 * Must be done before enabling beacon generation. 1949 */ 1950 if (rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8) != 0) 1951 return EIO; 1952 } 1953 1954 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1955 1956 /* set beacon interval (in 1/16ms unit) */ 1957 tmp |= vap->iv_bss->ni_intval * 16; 1958 tmp |= RT2573_TSF_TIMER_EN | RT2573_TBTT_TIMER_EN; 1959 1960 switch (vap->iv_opmode) { 1961 case IEEE80211_M_STA: 1962 /* 1963 * Local TSF is always updated with remote TSF on beacon 1964 * reception. 1965 */ 1966 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_STA); 1967 break; 1968 case IEEE80211_M_IBSS: 1969 /* 1970 * Local TSF is updated with remote TSF on beacon reception 1971 * only if the remote TSF is greater than local TSF. 1972 */ 1973 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_IBSS); 1974 tmp |= RT2573_BCN_TX_EN; 1975 break; 1976 case IEEE80211_M_HOSTAP: 1977 /* SYNC with nobody */ 1978 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_HOSTAP); 1979 tmp |= RT2573_BCN_TX_EN; 1980 break; 1981 default: 1982 device_printf(sc->sc_dev, 1983 "Enabling TSF failed. undefined opmode %d\n", 1984 vap->iv_opmode); 1985 return EINVAL; 1986 } 1987 1988 if (rum_write(sc, RT2573_TXRX_CSR9, tmp) != 0) 1989 return EIO; 1990 1991 return 0; 1992} 1993 1994static void 1995rum_enable_tsf(struct rum_softc *sc) 1996{ 1997 rum_modbits(sc, RT2573_TXRX_CSR9, RT2573_TSF_TIMER_EN | 1998 RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_DIS), 0x00ffffff); 1999} 2000 2001static void 2002rum_abort_tsf_sync(struct rum_softc *sc) 2003{ 2004 rum_clrbits(sc, RT2573_TXRX_CSR9, 0x00ffffff); 2005} 2006 2007static void 2008rum_get_tsf(struct rum_softc *sc, uint64_t *buf) 2009{ 2010 rum_read_multi(sc, RT2573_TXRX_CSR12, buf, sizeof (*buf)); 2011} 2012 2013static void 2014rum_update_slot_cb(struct rum_softc *sc, union sec_param *data, uint8_t rv_id, 2015 uint8_t rvp_id) 2016{ 2017 struct ieee80211com *ic = &sc->sc_ic; 2018 uint8_t slottime; 2019 2020 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 2021 2022 rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff); 2023 2024 DPRINTF("setting slot time to %uus\n", slottime); 2025} 2026 2027static void 2028rum_update_slot(struct ieee80211com *ic) 2029{ 2030 rum_cmd_sleepable(ic->ic_softc, NULL, 0, 0, 0, rum_update_slot_cb); 2031} 2032 2033static void 2034rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid) 2035{ 2036 2037 rum_write(sc, RT2573_MAC_CSR4, 2038 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 2039 rum_write(sc, RT2573_MAC_CSR5, 2040 bssid[4] | bssid[5] << 8 | RT2573_NUM_BSSID_MSK(1)); 2041} 2042 2043static void 2044rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr) 2045{ 2046 2047 rum_write(sc, RT2573_MAC_CSR2, 2048 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 2049 rum_write(sc, RT2573_MAC_CSR3, 2050 addr[4] | addr[5] << 8 | 0xff << 16); 2051} 2052 2053static void 2054rum_setpromisc(struct rum_softc *sc) 2055{ 2056 struct ieee80211com *ic = &sc->sc_ic; 2057 2058 if (ic->ic_promisc == 0) 2059 rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME); 2060 else 2061 rum_clrbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME); 2062 2063 DPRINTF("%s promiscuous mode\n", ic->ic_promisc > 0 ? 2064 "entering" : "leaving"); 2065} 2066 2067static void 2068rum_update_promisc(struct ieee80211com *ic) 2069{ 2070 struct rum_softc *sc = ic->ic_softc; 2071 2072 RUM_LOCK(sc); 2073 if (sc->sc_running) 2074 rum_setpromisc(sc); 2075 RUM_UNLOCK(sc); 2076} 2077 2078static void 2079rum_update_mcast(struct ieee80211com *ic) 2080{ 2081 /* Ignore. */ 2082} 2083 2084static const char * 2085rum_get_rf(int rev) 2086{ 2087 switch (rev) { 2088 case RT2573_RF_2527: return "RT2527 (MIMO XR)"; 2089 case RT2573_RF_2528: return "RT2528"; 2090 case RT2573_RF_5225: return "RT5225 (MIMO XR)"; 2091 case RT2573_RF_5226: return "RT5226"; 2092 default: return "unknown"; 2093 } 2094} 2095 2096static void 2097rum_read_eeprom(struct rum_softc *sc) 2098{ 2099 uint16_t val; 2100#ifdef RUM_DEBUG 2101 int i; 2102#endif 2103 2104 /* read MAC address */ 2105 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6); 2106 2107 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2); 2108 val = le16toh(val); 2109 sc->rf_rev = (val >> 11) & 0x1f; 2110 sc->hw_radio = (val >> 10) & 0x1; 2111 sc->rx_ant = (val >> 4) & 0x3; 2112 sc->tx_ant = (val >> 2) & 0x3; 2113 sc->nb_ant = val & 0x3; 2114 2115 DPRINTF("RF revision=%d\n", sc->rf_rev); 2116 2117 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2); 2118 val = le16toh(val); 2119 sc->ext_5ghz_lna = (val >> 6) & 0x1; 2120 sc->ext_2ghz_lna = (val >> 4) & 0x1; 2121 2122 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n", 2123 sc->ext_2ghz_lna, sc->ext_5ghz_lna); 2124 2125 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2); 2126 val = le16toh(val); 2127 if ((val & 0xff) != 0xff) 2128 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2129 2130 /* Only [-10, 10] is valid */ 2131 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10) 2132 sc->rssi_2ghz_corr = 0; 2133 2134 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2); 2135 val = le16toh(val); 2136 if ((val & 0xff) != 0xff) 2137 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2138 2139 /* Only [-10, 10] is valid */ 2140 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10) 2141 sc->rssi_5ghz_corr = 0; 2142 2143 if (sc->ext_2ghz_lna) 2144 sc->rssi_2ghz_corr -= 14; 2145 if (sc->ext_5ghz_lna) 2146 sc->rssi_5ghz_corr -= 14; 2147 2148 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n", 2149 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr); 2150 2151 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2); 2152 val = le16toh(val); 2153 if ((val & 0xff) != 0xff) 2154 sc->rffreq = val & 0xff; 2155 2156 DPRINTF("RF freq=%d\n", sc->rffreq); 2157 2158 /* read Tx power for all a/b/g channels */ 2159 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14); 2160 /* XXX default Tx power for 802.11a channels */ 2161 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14); 2162#ifdef RUM_DEBUG 2163 for (i = 0; i < 14; i++) 2164 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]); 2165#endif 2166 2167 /* read default values for BBP registers */ 2168 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 2169#ifdef RUM_DEBUG 2170 for (i = 0; i < 14; i++) { 2171 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 2172 continue; 2173 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg, 2174 sc->bbp_prom[i].val); 2175 } 2176#endif 2177} 2178 2179static int 2180rum_bbp_wakeup(struct rum_softc *sc) 2181{ 2182 unsigned int ntries; 2183 2184 for (ntries = 0; ntries < 100; ntries++) { 2185 if (rum_read(sc, RT2573_MAC_CSR12) & 8) 2186 break; 2187 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2188 if (rum_pause(sc, hz / 100)) 2189 break; 2190 } 2191 if (ntries == 100) { 2192 device_printf(sc->sc_dev, 2193 "timeout waiting for BBP/RF to wakeup\n"); 2194 return (ETIMEDOUT); 2195 } 2196 2197 return (0); 2198} 2199 2200static int 2201rum_bbp_init(struct rum_softc *sc) 2202{ 2203 int i, ntries; 2204 2205 /* wait for BBP to be ready */ 2206 for (ntries = 0; ntries < 100; ntries++) { 2207 const uint8_t val = rum_bbp_read(sc, 0); 2208 if (val != 0 && val != 0xff) 2209 break; 2210 if (rum_pause(sc, hz / 100)) 2211 break; 2212 } 2213 if (ntries == 100) { 2214 device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 2215 return EIO; 2216 } 2217 2218 /* initialize BBP registers to default values */ 2219 for (i = 0; i < nitems(rum_def_bbp); i++) 2220 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2221 2222 /* write vendor-specific BBP values (from EEPROM) */ 2223 for (i = 0; i < 16; i++) { 2224 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 2225 continue; 2226 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 2227 } 2228 2229 return 0; 2230} 2231 2232static void 2233rum_clr_shkey_regs(struct rum_softc *sc) 2234{ 2235 rum_write(sc, RT2573_SEC_CSR0, 0); 2236 rum_write(sc, RT2573_SEC_CSR1, 0); 2237 rum_write(sc, RT2573_SEC_CSR5, 0); 2238} 2239 2240static int 2241rum_init(struct rum_softc *sc) 2242{ 2243 struct ieee80211com *ic = &sc->sc_ic; 2244 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2245 uint32_t tmp; 2246 int i, ret; 2247 2248 RUM_LOCK(sc); 2249 if (sc->sc_running) { 2250 ret = 0; 2251 goto end; 2252 } 2253 2254 /* initialize MAC registers to default values */ 2255 for (i = 0; i < nitems(rum_def_mac); i++) 2256 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2257 2258 /* set host ready */ 2259 rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP); 2260 rum_write(sc, RT2573_MAC_CSR1, 0); 2261 2262 /* wait for BBP/RF to wakeup */ 2263 if ((ret = rum_bbp_wakeup(sc)) != 0) 2264 goto end; 2265 2266 if ((ret = rum_bbp_init(sc)) != 0) 2267 goto end; 2268 2269 /* select default channel */ 2270 rum_select_band(sc, ic->ic_curchan); 2271 rum_select_antenna(sc); 2272 rum_set_chan(sc, ic->ic_curchan); 2273 2274 /* clear STA registers */ 2275 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 2276 2277 /* clear security registers (if required) */ 2278 if (sc->sc_clr_shkeys == 0) { 2279 rum_clr_shkey_regs(sc); 2280 sc->sc_clr_shkeys = 1; 2281 } 2282 2283 rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 2284 2285 /* initialize ASIC */ 2286 rum_write(sc, RT2573_MAC_CSR1, RT2573_HOST_READY); 2287 2288 /* 2289 * Allocate Tx and Rx xfer queues. 2290 */ 2291 rum_setup_tx_list(sc); 2292 2293 /* update Rx filter */ 2294 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2295 2296 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2297 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2298 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2299 RT2573_DROP_ACKCTS; 2300 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2301 tmp |= RT2573_DROP_TODS; 2302 if (ic->ic_promisc == 0) 2303 tmp |= RT2573_DROP_NOT_TO_ME; 2304 } 2305 rum_write(sc, RT2573_TXRX_CSR0, tmp); 2306 2307 sc->sc_running = 1; 2308 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]); 2309 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]); 2310 2311end: RUM_UNLOCK(sc); 2312 2313 if (ret != 0) 2314 rum_stop(sc); 2315 2316 return ret; 2317} 2318 2319static void 2320rum_stop(struct rum_softc *sc) 2321{ 2322 2323 RUM_LOCK(sc); 2324 if (!sc->sc_running) { 2325 RUM_UNLOCK(sc); 2326 return; 2327 } 2328 sc->sc_running = 0; 2329 RUM_UNLOCK(sc); 2330 2331 /* 2332 * Drain the USB transfers, if not already drained: 2333 */ 2334 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]); 2335 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]); 2336 2337 RUM_LOCK(sc); 2338 rum_unsetup_tx_list(sc); 2339 2340 /* disable Rx */ 2341 rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DISABLE_RX); 2342 2343 /* reset ASIC */ 2344 rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP); 2345 rum_write(sc, RT2573_MAC_CSR1, 0); 2346 RUM_UNLOCK(sc); 2347} 2348 2349static void 2350rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size) 2351{ 2352 struct usb_device_request req; 2353 uint16_t reg = RT2573_MCU_CODE_BASE; 2354 usb_error_t err; 2355 2356 /* copy firmware image into NIC */ 2357 for (; size >= 4; reg += 4, ucode += 4, size -= 4) { 2358 err = rum_write(sc, reg, UGETDW(ucode)); 2359 if (err) { 2360 /* firmware already loaded ? */ 2361 device_printf(sc->sc_dev, "Firmware load " 2362 "failure! (ignored)\n"); 2363 break; 2364 } 2365 } 2366 2367 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2368 req.bRequest = RT2573_MCU_CNTL; 2369 USETW(req.wValue, RT2573_MCU_RUN); 2370 USETW(req.wIndex, 0); 2371 USETW(req.wLength, 0); 2372 2373 err = rum_do_request(sc, &req, NULL); 2374 if (err != 0) { 2375 device_printf(sc->sc_dev, "could not run firmware: %s\n", 2376 usbd_errstr(err)); 2377 } 2378 2379 /* give the chip some time to boot */ 2380 rum_pause(sc, hz / 8); 2381} 2382 2383static int 2384rum_set_beacon(struct rum_softc *sc, struct ieee80211vap *vap) 2385{ 2386 struct ieee80211com *ic = vap->iv_ic; 2387 struct rum_vap *rvp = RUM_VAP(vap); 2388 struct mbuf *m = rvp->bcn_mbuf; 2389 const struct ieee80211_txparam *tp; 2390 struct rum_tx_desc desc; 2391 2392 RUM_LOCK_ASSERT(sc); 2393 2394 if (m == NULL) 2395 return EINVAL; 2396 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) 2397 return EINVAL; 2398 2399 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2400 rum_setup_tx_desc(sc, &desc, NULL, RT2573_TX_TIMESTAMP, 2401 RT2573_TX_HWSEQ, 0, m->m_pkthdr.len, tp->mgmtrate); 2402 2403 /* copy the Tx descriptor into NIC memory */ 2404 if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0), (uint8_t *)&desc, 2405 RT2573_TX_DESC_SIZE) != 0) 2406 return EIO; 2407 2408 /* copy beacon header and payload into NIC memory */ 2409 if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0) + RT2573_TX_DESC_SIZE, 2410 mtod(m, uint8_t *), m->m_pkthdr.len) != 0) 2411 return EIO; 2412 2413 return 0; 2414} 2415 2416static int 2417rum_alloc_beacon(struct rum_softc *sc, struct ieee80211vap *vap) 2418{ 2419 struct rum_vap *rvp = RUM_VAP(vap); 2420 struct ieee80211_node *ni = vap->iv_bss; 2421 struct mbuf *m; 2422 2423 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 2424 return EINVAL; 2425 2426 m = ieee80211_beacon_alloc(ni, &vap->iv_bcn_off); 2427 if (m == NULL) 2428 return ENOMEM; 2429 2430 if (rvp->bcn_mbuf != NULL) 2431 m_freem(rvp->bcn_mbuf); 2432 2433 rvp->bcn_mbuf = m; 2434 2435 return (rum_set_beacon(sc, vap)); 2436} 2437 2438static void 2439rum_update_beacon_cb(struct rum_softc *sc, union sec_param *data, 2440 uint8_t rn_id, uint8_t rvp_id) 2441{ 2442 struct ieee80211vap *vap = data->vap; 2443 2444 rum_set_beacon(sc, vap); 2445} 2446 2447static void 2448rum_update_beacon(struct ieee80211vap *vap, int item) 2449{ 2450 struct ieee80211com *ic = vap->iv_ic; 2451 struct rum_softc *sc = ic->ic_softc; 2452 struct rum_vap *rvp = RUM_VAP(vap); 2453 struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 2454 struct ieee80211_node *ni = vap->iv_bss; 2455 struct mbuf *m = rvp->bcn_mbuf; 2456 int mcast = 0; 2457 2458 RUM_LOCK(sc); 2459 if (m == NULL) { 2460 m = ieee80211_beacon_alloc(ni, bo); 2461 if (m == NULL) { 2462 device_printf(sc->sc_dev, 2463 "%s: could not allocate beacon frame\n", __func__); 2464 RUM_UNLOCK(sc); 2465 return; 2466 } 2467 rvp->bcn_mbuf = m; 2468 } 2469 2470 switch (item) { 2471 case IEEE80211_BEACON_ERP: 2472 rum_update_slot(ic); 2473 break; 2474 case IEEE80211_BEACON_TIM: 2475 mcast = 1; /*TODO*/ 2476 break; 2477 default: 2478 break; 2479 } 2480 RUM_UNLOCK(sc); 2481 2482 setbit(bo->bo_flags, item); 2483 ieee80211_beacon_update(ni, bo, m, mcast); 2484 2485 rum_cmd_sleepable(sc, &vap, sizeof(vap), 0, 0, rum_update_beacon_cb); 2486} 2487 2488static int 2489rum_common_key_set(struct rum_softc *sc, struct ieee80211_key *k, 2490 uint16_t base) 2491{ 2492 2493 if (rum_write_multi(sc, base, k->wk_key, k->wk_keylen)) 2494 return EIO; 2495 2496 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2497 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE, 2498 k->wk_txmic, 8)) 2499 return EIO; 2500 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE + 8, 2501 k->wk_rxmic, 8)) 2502 return EIO; 2503 } 2504 2505 return 0; 2506} 2507 2508static void 2509rum_group_key_set_cb(struct rum_softc *sc, union sec_param *data, 2510 uint8_t rn_id, uint8_t rvp_id) 2511{ 2512 struct ieee80211_key *k = &data->key; 2513 uint8_t mode; 2514 2515 if (sc->sc_clr_shkeys == 0) { 2516 rum_clr_shkey_regs(sc); 2517 sc->sc_clr_shkeys = 1; 2518 } 2519 2520 mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen); 2521 if (mode == 0) 2522 goto print_err; 2523 2524 DPRINTFN(1, "setting group key %d for vap %d, mode %d " 2525 "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode, 2526 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2527 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2528 2529 /* Install the key. */ 2530 if (rum_common_key_set(sc, k, RT2573_SKEY(rvp_id, k->wk_keyix)) != 0) 2531 goto print_err; 2532 2533 /* Set cipher mode. */ 2534 if (rum_modbits(sc, rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5, 2535 mode << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX, 2536 RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX) 2537 != 0) 2538 goto print_err; 2539 2540 /* Mark this key as valid. */ 2541 if (rum_setbits(sc, RT2573_SEC_CSR0, 2542 1 << (rvp_id * RT2573_SKEY_MAX + k->wk_keyix)) != 0) 2543 goto print_err; 2544 2545 return; 2546 2547print_err: 2548 device_printf(sc->sc_dev, "%s: cannot set group key %d for vap %d\n", 2549 __func__, k->wk_keyix, rvp_id); 2550} 2551 2552static void 2553rum_group_key_del_cb(struct rum_softc *sc, union sec_param *data, 2554 uint8_t rn_id, uint8_t rvp_id) 2555{ 2556 struct ieee80211_key *k = &data->key; 2557 2558 DPRINTF("%s: removing group key %d for vap %d\n", __func__, 2559 k->wk_keyix, rvp_id); 2560 rum_clrbits(sc, 2561 rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5, 2562 RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX); 2563 rum_clrbits(sc, RT2573_SEC_CSR0, 2564 rvp_id * RT2573_SKEY_MAX + k->wk_keyix); 2565} 2566 2567static void 2568rum_pair_key_set_cb(struct rum_softc *sc, union sec_param *data, uint8_t rn_id, 2569 uint8_t rvp_id) 2570{ 2571 struct ieee80211_key *k = &data->key; 2572 uint8_t buf[IEEE80211_ADDR_LEN + 1]; 2573 uint8_t mode; 2574 2575 mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen); 2576 if (mode == 0) 2577 goto print_err; 2578 2579 DPRINTFN(1, "setting pairwise key %d for vap %d, mode %d " 2580 "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode, 2581 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2582 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2583 2584 /* Install the key. */ 2585 if (rum_common_key_set(sc, k, RT2573_PKEY(k->wk_keyix)) != 0) 2586 goto print_err; 2587 2588 IEEE80211_ADDR_COPY(buf, k->wk_macaddr); 2589 buf[IEEE80211_ADDR_LEN] = mode; 2590 2591 /* Set transmitter address and cipher mode. */ 2592 if (rum_write_multi(sc, RT2573_ADDR_ENTRY(k->wk_keyix), 2593 buf, sizeof buf) != 0) 2594 goto print_err; 2595 2596 /* Enable key table lookup for this vap. */ 2597 if (sc->vap_key_count[rvp_id]++ == 0) 2598 if (rum_setbits(sc, RT2573_SEC_CSR4, 1 << rvp_id) != 0) 2599 goto print_err; 2600 2601 /* Mark this key as valid. */ 2602 if (rum_setbits(sc, 2603 k->wk_keyix < 32 ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3, 2604 1 << (k->wk_keyix % 32)) != 0) 2605 goto print_err; 2606 2607 return; 2608 2609print_err: 2610 device_printf(sc->sc_dev, 2611 "%s: cannot set pairwise key %d, vap %d\n", __func__, k->wk_keyix, 2612 rvp_id); 2613} 2614 2615static void 2616rum_pair_key_del_cb(struct rum_softc *sc, union sec_param *data, uint8_t rn_id, 2617 uint8_t rvp_id) 2618{ 2619 struct ieee80211_key *k = &data->key; 2620 2621 DPRINTF("%s: removing key %d\n", __func__, k->wk_keyix); 2622 rum_clrbits(sc, (k->wk_keyix < 32) ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3, 2623 1 << (k->wk_keyix % 32)); 2624 sc->keys_bmap &= ~(1 << k->wk_keyix); 2625 if (--sc->vap_key_count[rvp_id] == 0) 2626 rum_clrbits(sc, RT2573_SEC_CSR4, 1 << rvp_id); 2627} 2628 2629static int 2630rum_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 2631 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 2632{ 2633 struct rum_softc *sc = vap->iv_ic->ic_softc; 2634 uint8_t i; 2635 2636 if (!(&vap->iv_nw_keys[0] <= k && 2637 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 2638 if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 2639 RUM_LOCK(sc); 2640 for (i = 0; i < RT2573_ADDR_MAX; i++) { 2641 if ((sc->keys_bmap & (1 << i)) == 0) { 2642 sc->keys_bmap |= 1 << i; 2643 *keyix = i; 2644 break; 2645 } 2646 } 2647 RUM_UNLOCK(sc); 2648 if (i == RT2573_ADDR_MAX) { 2649 device_printf(sc->sc_dev, 2650 "%s: no free space in the key table\n", 2651 __func__); 2652 return 0; 2653 } 2654 } else 2655 *keyix = 0; 2656 } else { 2657 *keyix = k - vap->iv_nw_keys; 2658 } 2659 *rxkeyix = *keyix; 2660 return 1; 2661} 2662 2663static int 2664rum_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 2665 const uint8_t mac[IEEE80211_ADDR_LEN]) 2666{ 2667 struct rum_softc *sc = vap->iv_ic->ic_softc; 2668 int group; 2669 2670 if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2671 /* Not for us. */ 2672 return 1; 2673 } 2674 2675 group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; 2676 2677 return !rum_cmd_sleepable(sc, k, sizeof(*k), 0, 0, 2678 group ? rum_group_key_set_cb : rum_pair_key_set_cb); 2679} 2680 2681static int 2682rum_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 2683{ 2684 struct rum_softc *sc = vap->iv_ic->ic_softc; 2685 int group; 2686 2687 if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2688 /* Not for us. */ 2689 return 1; 2690 } 2691 2692 group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; 2693 2694 return !rum_cmd_sleepable(sc, k, sizeof(*k), 0, 0, 2695 group ? rum_group_key_del_cb : rum_pair_key_del_cb); 2696} 2697 2698static int 2699rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2700 const struct ieee80211_bpf_params *params) 2701{ 2702 struct rum_softc *sc = ni->ni_ic->ic_softc; 2703 int ret; 2704 2705 RUM_LOCK(sc); 2706 /* prevent management frames from being sent if we're not ready */ 2707 if (!sc->sc_running) { 2708 ret = ENETDOWN; 2709 goto bad; 2710 } 2711 if (sc->tx_nfree < RUM_TX_MINFREE) { 2712 ret = EIO; 2713 goto bad; 2714 } 2715 2716 if (params == NULL) { 2717 /* 2718 * Legacy path; interpret frame contents to decide 2719 * precisely how to send the frame. 2720 */ 2721 if ((ret = rum_tx_mgt(sc, m, ni)) != 0) 2722 goto bad; 2723 } else { 2724 /* 2725 * Caller supplied explicit parameters to use in 2726 * sending the frame. 2727 */ 2728 if ((ret = rum_tx_raw(sc, m, ni, params)) != 0) 2729 goto bad; 2730 } 2731 RUM_UNLOCK(sc); 2732 2733 return 0; 2734bad: 2735 RUM_UNLOCK(sc); 2736 m_freem(m); 2737 ieee80211_free_node(ni); 2738 return ret; 2739} 2740 2741static void 2742rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni) 2743{ 2744 struct ieee80211vap *vap = ni->ni_vap; 2745 struct rum_vap *rvp = RUM_VAP(vap); 2746 2747 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2748 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 2749 2750 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2751} 2752 2753static void 2754rum_ratectl_timeout(void *arg) 2755{ 2756 struct rum_vap *rvp = arg; 2757 struct ieee80211vap *vap = &rvp->vap; 2758 struct ieee80211com *ic = vap->iv_ic; 2759 2760 ieee80211_runtask(ic, &rvp->ratectl_task); 2761} 2762 2763static void 2764rum_ratectl_task(void *arg, int pending) 2765{ 2766 struct rum_vap *rvp = arg; 2767 struct ieee80211vap *vap = &rvp->vap; 2768 struct ieee80211com *ic = vap->iv_ic; 2769 struct rum_softc *sc = ic->ic_softc; 2770 struct ieee80211_node *ni; 2771 int ok, fail; 2772 int sum, retrycnt; 2773 2774 RUM_LOCK(sc); 2775 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2776 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta)); 2777 2778 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */ 2779 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */ 2780 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */ 2781 sum = ok+fail; 2782 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail; 2783 2784 ni = ieee80211_ref_node(vap->iv_bss); 2785 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt); 2786 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2787 ieee80211_free_node(ni); 2788 2789 /* count TX retry-fail as Tx errors */ 2790 if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, fail); 2791 2792 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2793 RUM_UNLOCK(sc); 2794} 2795 2796static void 2797rum_scan_start(struct ieee80211com *ic) 2798{ 2799 struct rum_softc *sc = ic->ic_softc; 2800 2801 RUM_LOCK(sc); 2802 rum_abort_tsf_sync(sc); 2803 rum_set_bssid(sc, ieee80211broadcastaddr); 2804 RUM_UNLOCK(sc); 2805 2806} 2807 2808static void 2809rum_scan_end(struct ieee80211com *ic) 2810{ 2811 struct rum_softc *sc = ic->ic_softc; 2812 2813 RUM_LOCK(sc); 2814 if (ic->ic_opmode != IEEE80211_M_AHDEMO) 2815 rum_enable_tsf_sync(sc); 2816 else 2817 rum_enable_tsf(sc); 2818 rum_set_bssid(sc, sc->sc_bssid); 2819 RUM_UNLOCK(sc); 2820 2821} 2822 2823static void 2824rum_set_channel(struct ieee80211com *ic) 2825{ 2826 struct rum_softc *sc = ic->ic_softc; 2827 2828 RUM_LOCK(sc); 2829 rum_set_chan(sc, ic->ic_curchan); 2830 RUM_UNLOCK(sc); 2831} 2832 2833static int 2834rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2835{ 2836 struct ieee80211com *ic = &sc->sc_ic; 2837 int lna, agc, rssi; 2838 2839 lna = (raw >> 5) & 0x3; 2840 agc = raw & 0x1f; 2841 2842 if (lna == 0) { 2843 /* 2844 * No RSSI mapping 2845 * 2846 * NB: Since RSSI is relative to noise floor, -1 is 2847 * adequate for caller to know error happened. 2848 */ 2849 return -1; 2850 } 2851 2852 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2853 2854 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2855 rssi += sc->rssi_2ghz_corr; 2856 2857 if (lna == 1) 2858 rssi -= 64; 2859 else if (lna == 2) 2860 rssi -= 74; 2861 else if (lna == 3) 2862 rssi -= 90; 2863 } else { 2864 rssi += sc->rssi_5ghz_corr; 2865 2866 if (!sc->ext_5ghz_lna && lna != 1) 2867 rssi += 4; 2868 2869 if (lna == 1) 2870 rssi -= 64; 2871 else if (lna == 2) 2872 rssi -= 86; 2873 else if (lna == 3) 2874 rssi -= 100; 2875 } 2876 return rssi; 2877} 2878 2879static int 2880rum_pause(struct rum_softc *sc, int timeout) 2881{ 2882 2883 usb_pause_mtx(&sc->sc_mtx, timeout); 2884 return (0); 2885} 2886 2887static device_method_t rum_methods[] = { 2888 /* Device interface */ 2889 DEVMETHOD(device_probe, rum_match), 2890 DEVMETHOD(device_attach, rum_attach), 2891 DEVMETHOD(device_detach, rum_detach), 2892 DEVMETHOD_END 2893}; 2894 2895static driver_t rum_driver = { 2896 .name = "rum", 2897 .methods = rum_methods, 2898 .size = sizeof(struct rum_softc), 2899}; 2900 2901static devclass_t rum_devclass; 2902 2903DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0); 2904MODULE_DEPEND(rum, wlan, 1, 1, 1); 2905MODULE_DEPEND(rum, usb, 1, 1, 1); 2906MODULE_VERSION(rum, 1); 2907