if_rum.c revision 288637
1/* $FreeBSD: head/sys/dev/usb/wlan/if_rum.c 288637 2015-10-03 22:15:59Z 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 288637 2015-10-03 22:15:59Z 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, 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); 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); 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); 242static void rum_group_key_del_cb(struct rum_softc *, 243 union sec_param *, uint8_t); 244static void rum_pair_key_set_cb(struct rum_softc *, 245 union sec_param *, uint8_t); 246static void rum_pair_key_del_cb(struct rum_softc *, 247 union sec_param *, 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 *); 253static int rum_key_delete(struct ieee80211vap *, 254 const struct ieee80211_key *); 255static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *, 256 const struct ieee80211_bpf_params *); 257static void rum_scan_start(struct ieee80211com *); 258static void rum_scan_end(struct ieee80211com *); 259static void rum_set_channel(struct ieee80211com *); 260static int rum_get_rssi(struct rum_softc *, uint8_t); 261static void rum_ratectl_start(struct rum_softc *, 262 struct ieee80211_node *); 263static void rum_ratectl_timeout(void *); 264static void rum_ratectl_task(void *, int); 265static int rum_pause(struct rum_softc *, int); 266 267static const struct { 268 uint32_t reg; 269 uint32_t val; 270} rum_def_mac[] = { 271 { RT2573_TXRX_CSR0, 0x025fb032 }, 272 { RT2573_TXRX_CSR1, 0x9eaa9eaf }, 273 { RT2573_TXRX_CSR2, 0x8a8b8c8d }, 274 { RT2573_TXRX_CSR3, 0x00858687 }, 275 { RT2573_TXRX_CSR7, 0x2e31353b }, 276 { RT2573_TXRX_CSR8, 0x2a2a2a2c }, 277 { RT2573_TXRX_CSR15, 0x0000000f }, 278 { RT2573_MAC_CSR6, 0x00000fff }, 279 { RT2573_MAC_CSR8, 0x016c030a }, 280 { RT2573_MAC_CSR10, 0x00000718 }, 281 { RT2573_MAC_CSR12, 0x00000004 }, 282 { RT2573_MAC_CSR13, 0x00007f00 }, 283 { RT2573_SEC_CSR2, 0x00000000 }, 284 { RT2573_SEC_CSR3, 0x00000000 }, 285 { RT2573_SEC_CSR4, 0x00000000 }, 286 { RT2573_PHY_CSR1, 0x000023b0 }, 287 { RT2573_PHY_CSR5, 0x00040a06 }, 288 { RT2573_PHY_CSR6, 0x00080606 }, 289 { RT2573_PHY_CSR7, 0x00000408 }, 290 { RT2573_AIFSN_CSR, 0x00002273 }, 291 { RT2573_CWMIN_CSR, 0x00002344 }, 292 { RT2573_CWMAX_CSR, 0x000034aa } 293}; 294 295static const struct { 296 uint8_t reg; 297 uint8_t val; 298} rum_def_bbp[] = { 299 { 3, 0x80 }, 300 { 15, 0x30 }, 301 { 17, 0x20 }, 302 { 21, 0xc8 }, 303 { 22, 0x38 }, 304 { 23, 0x06 }, 305 { 24, 0xfe }, 306 { 25, 0x0a }, 307 { 26, 0x0d }, 308 { 32, 0x0b }, 309 { 34, 0x12 }, 310 { 37, 0x07 }, 311 { 39, 0xf8 }, 312 { 41, 0x60 }, 313 { 53, 0x10 }, 314 { 54, 0x18 }, 315 { 60, 0x10 }, 316 { 61, 0x04 }, 317 { 62, 0x04 }, 318 { 75, 0xfe }, 319 { 86, 0xfe }, 320 { 88, 0xfe }, 321 { 90, 0x0f }, 322 { 99, 0x00 }, 323 { 102, 0x16 }, 324 { 107, 0x04 } 325}; 326 327static const struct rfprog { 328 uint8_t chan; 329 uint32_t r1, r2, r3, r4; 330} rum_rf5226[] = { 331 { 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 }, 332 { 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 }, 333 { 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 }, 334 { 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 }, 335 { 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 }, 336 { 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 }, 337 { 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 }, 338 { 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 }, 339 { 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 }, 340 { 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 }, 341 { 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 }, 342 { 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 }, 343 { 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 }, 344 { 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 }, 345 346 { 34, 0x00b03, 0x20266, 0x36014, 0x30282 }, 347 { 38, 0x00b03, 0x20267, 0x36014, 0x30284 }, 348 { 42, 0x00b03, 0x20268, 0x36014, 0x30286 }, 349 { 46, 0x00b03, 0x20269, 0x36014, 0x30288 }, 350 351 { 36, 0x00b03, 0x00266, 0x26014, 0x30288 }, 352 { 40, 0x00b03, 0x00268, 0x26014, 0x30280 }, 353 { 44, 0x00b03, 0x00269, 0x26014, 0x30282 }, 354 { 48, 0x00b03, 0x0026a, 0x26014, 0x30284 }, 355 { 52, 0x00b03, 0x0026b, 0x26014, 0x30286 }, 356 { 56, 0x00b03, 0x0026c, 0x26014, 0x30288 }, 357 { 60, 0x00b03, 0x0026e, 0x26014, 0x30280 }, 358 { 64, 0x00b03, 0x0026f, 0x26014, 0x30282 }, 359 360 { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 }, 361 { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 }, 362 { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 }, 363 { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 }, 364 { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 }, 365 { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 }, 366 { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 }, 367 { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 }, 368 { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 }, 369 { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 }, 370 { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 }, 371 372 { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 }, 373 { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 }, 374 { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 }, 375 { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 }, 376 { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 } 377}, rum_rf5225[] = { 378 { 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 }, 379 { 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 }, 380 { 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 }, 381 { 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 }, 382 { 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 }, 383 { 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 }, 384 { 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 }, 385 { 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 }, 386 { 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 }, 387 { 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 }, 388 { 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 }, 389 { 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 }, 390 { 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 }, 391 { 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 }, 392 393 { 34, 0x00b33, 0x01266, 0x26014, 0x30282 }, 394 { 38, 0x00b33, 0x01267, 0x26014, 0x30284 }, 395 { 42, 0x00b33, 0x01268, 0x26014, 0x30286 }, 396 { 46, 0x00b33, 0x01269, 0x26014, 0x30288 }, 397 398 { 36, 0x00b33, 0x01266, 0x26014, 0x30288 }, 399 { 40, 0x00b33, 0x01268, 0x26014, 0x30280 }, 400 { 44, 0x00b33, 0x01269, 0x26014, 0x30282 }, 401 { 48, 0x00b33, 0x0126a, 0x26014, 0x30284 }, 402 { 52, 0x00b33, 0x0126b, 0x26014, 0x30286 }, 403 { 56, 0x00b33, 0x0126c, 0x26014, 0x30288 }, 404 { 60, 0x00b33, 0x0126e, 0x26014, 0x30280 }, 405 { 64, 0x00b33, 0x0126f, 0x26014, 0x30282 }, 406 407 { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 }, 408 { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 }, 409 { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 }, 410 { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 }, 411 { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 }, 412 { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 }, 413 { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 }, 414 { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 }, 415 { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 }, 416 { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 }, 417 { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 }, 418 419 { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 }, 420 { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 }, 421 { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 }, 422 { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 }, 423 { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 } 424}; 425 426static const struct usb_config rum_config[RUM_N_TRANSFER] = { 427 [RUM_BULK_WR] = { 428 .type = UE_BULK, 429 .endpoint = UE_ADDR_ANY, 430 .direction = UE_DIR_OUT, 431 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8), 432 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 433 .callback = rum_bulk_write_callback, 434 .timeout = 5000, /* ms */ 435 }, 436 [RUM_BULK_RD] = { 437 .type = UE_BULK, 438 .endpoint = UE_ADDR_ANY, 439 .direction = UE_DIR_IN, 440 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE), 441 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 442 .callback = rum_bulk_read_callback, 443 }, 444}; 445 446static int 447rum_match(device_t self) 448{ 449 struct usb_attach_arg *uaa = device_get_ivars(self); 450 451 if (uaa->usb_mode != USB_MODE_HOST) 452 return (ENXIO); 453 if (uaa->info.bConfigIndex != 0) 454 return (ENXIO); 455 if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX) 456 return (ENXIO); 457 458 return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa)); 459} 460 461static int 462rum_attach(device_t self) 463{ 464 struct usb_attach_arg *uaa = device_get_ivars(self); 465 struct rum_softc *sc = device_get_softc(self); 466 struct ieee80211com *ic = &sc->sc_ic; 467 uint8_t iface_index, bands; 468 uint32_t tmp; 469 int error, ntries; 470 471 device_set_usb_desc(self); 472 sc->sc_udev = uaa->device; 473 sc->sc_dev = self; 474 475 RUM_LOCK_INIT(sc); 476 RUM_CMDQ_LOCK_INIT(sc); 477 mbufq_init(&sc->sc_snd, ifqmaxlen); 478 479 iface_index = RT2573_IFACE_INDEX; 480 error = usbd_transfer_setup(uaa->device, &iface_index, 481 sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx); 482 if (error) { 483 device_printf(self, "could not allocate USB transfers, " 484 "err=%s\n", usbd_errstr(error)); 485 goto detach; 486 } 487 488 RUM_LOCK(sc); 489 /* retrieve RT2573 rev. no */ 490 for (ntries = 0; ntries < 100; ntries++) { 491 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0) 492 break; 493 if (rum_pause(sc, hz / 100)) 494 break; 495 } 496 if (ntries == 100) { 497 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n"); 498 RUM_UNLOCK(sc); 499 goto detach; 500 } 501 502 /* retrieve MAC address and various other things from EEPROM */ 503 rum_read_eeprom(sc); 504 505 device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n", 506 tmp, rum_get_rf(sc->rf_rev)); 507 508 rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode)); 509 RUM_UNLOCK(sc); 510 511 ic->ic_softc = sc; 512 ic->ic_name = device_get_nameunit(self); 513 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 514 515 /* set device capabilities */ 516 ic->ic_caps = 517 IEEE80211_C_STA /* station mode supported */ 518 | IEEE80211_C_IBSS /* IBSS mode supported */ 519 | IEEE80211_C_MONITOR /* monitor mode supported */ 520 | IEEE80211_C_HOSTAP /* HostAp mode supported */ 521 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 522 | IEEE80211_C_TXPMGT /* tx power management */ 523 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 524 | IEEE80211_C_SHSLOT /* short slot time supported */ 525 | IEEE80211_C_BGSCAN /* bg scanning supported */ 526 | IEEE80211_C_WPA /* 802.11i */ 527 ; 528 529 ic->ic_cryptocaps = 530 IEEE80211_CRYPTO_WEP | 531 IEEE80211_CRYPTO_AES_CCM | 532 IEEE80211_CRYPTO_TKIPMIC | 533 IEEE80211_CRYPTO_TKIP; 534 535 bands = 0; 536 setbit(&bands, IEEE80211_MODE_11B); 537 setbit(&bands, IEEE80211_MODE_11G); 538 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226) 539 setbit(&bands, IEEE80211_MODE_11A); 540 ieee80211_init_channels(ic, NULL, &bands); 541 542 ieee80211_ifattach(ic); 543 ic->ic_update_promisc = rum_update_promisc; 544 ic->ic_raw_xmit = rum_raw_xmit; 545 ic->ic_scan_start = rum_scan_start; 546 ic->ic_scan_end = rum_scan_end; 547 ic->ic_set_channel = rum_set_channel; 548 ic->ic_transmit = rum_transmit; 549 ic->ic_parent = rum_parent; 550 ic->ic_vap_create = rum_vap_create; 551 ic->ic_vap_delete = rum_vap_delete; 552 ic->ic_updateslot = rum_update_slot; 553 ic->ic_update_mcast = rum_update_mcast; 554 555 ieee80211_radiotap_attach(ic, 556 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 557 RT2573_TX_RADIOTAP_PRESENT, 558 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 559 RT2573_RX_RADIOTAP_PRESENT); 560 561 TASK_INIT(&sc->cmdq_task, 0, rum_cmdq_cb, sc); 562 563 if (bootverbose) 564 ieee80211_announce(ic); 565 566 return (0); 567 568detach: 569 rum_detach(self); 570 return (ENXIO); /* failure */ 571} 572 573static int 574rum_detach(device_t self) 575{ 576 struct rum_softc *sc = device_get_softc(self); 577 struct ieee80211com *ic = &sc->sc_ic; 578 579 /* Prevent further ioctls */ 580 RUM_LOCK(sc); 581 sc->sc_detached = 1; 582 RUM_UNLOCK(sc); 583 584 /* stop all USB transfers */ 585 usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER); 586 587 /* free TX list, if any */ 588 RUM_LOCK(sc); 589 rum_unsetup_tx_list(sc); 590 RUM_UNLOCK(sc); 591 592 if (ic->ic_softc == sc) { 593 ieee80211_draintask(ic, &sc->cmdq_task); 594 ieee80211_ifdetach(ic); 595 } 596 597 mbufq_drain(&sc->sc_snd); 598 RUM_CMDQ_LOCK_DESTROY(sc); 599 RUM_LOCK_DESTROY(sc); 600 601 return (0); 602} 603 604static usb_error_t 605rum_do_request(struct rum_softc *sc, 606 struct usb_device_request *req, void *data) 607{ 608 usb_error_t err; 609 int ntries = 10; 610 611 while (ntries--) { 612 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 613 req, data, 0, NULL, 250 /* ms */); 614 if (err == 0) 615 break; 616 617 DPRINTFN(1, "Control request failed, %s (retrying)\n", 618 usbd_errstr(err)); 619 if (rum_pause(sc, hz / 100)) 620 break; 621 } 622 return (err); 623} 624 625static struct ieee80211vap * 626rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 627 enum ieee80211_opmode opmode, int flags, 628 const uint8_t bssid[IEEE80211_ADDR_LEN], 629 const uint8_t mac[IEEE80211_ADDR_LEN]) 630{ 631 struct rum_softc *sc = ic->ic_softc; 632 struct rum_vap *rvp; 633 struct ieee80211vap *vap; 634 635 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 636 return NULL; 637 rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO); 638 vap = &rvp->vap; 639 /* enable s/w bmiss handling for sta mode */ 640 641 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 642 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 643 /* out of memory */ 644 free(rvp, M_80211_VAP); 645 return (NULL); 646 } 647 648 /* override state transition machine */ 649 rvp->newstate = vap->iv_newstate; 650 vap->iv_newstate = rum_newstate; 651 vap->iv_key_alloc = rum_key_alloc; 652 vap->iv_key_set = rum_key_set; 653 vap->iv_key_delete = rum_key_delete; 654 vap->iv_update_beacon = rum_update_beacon; 655 vap->iv_max_aid = RT2573_ADDR_MAX; 656 657 usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0); 658 TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp); 659 ieee80211_ratectl_init(vap); 660 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 661 /* complete setup */ 662 ieee80211_vap_attach(vap, ieee80211_media_change, 663 ieee80211_media_status, mac); 664 ic->ic_opmode = opmode; 665 return vap; 666} 667 668static void 669rum_vap_delete(struct ieee80211vap *vap) 670{ 671 struct rum_vap *rvp = RUM_VAP(vap); 672 struct ieee80211com *ic = vap->iv_ic; 673 674 m_freem(rvp->bcn_mbuf); 675 usb_callout_drain(&rvp->ratectl_ch); 676 ieee80211_draintask(ic, &rvp->ratectl_task); 677 ieee80211_ratectl_deinit(vap); 678 ieee80211_vap_detach(vap); 679 free(rvp, M_80211_VAP); 680} 681 682static void 683rum_cmdq_cb(void *arg, int pending) 684{ 685 struct rum_softc *sc = arg; 686 struct rum_cmdq *rc; 687 688 RUM_CMDQ_LOCK(sc); 689 while (sc->cmdq[sc->cmdq_first].func != NULL) { 690 rc = &sc->cmdq[sc->cmdq_first]; 691 RUM_CMDQ_UNLOCK(sc); 692 693 RUM_LOCK(sc); 694 rc->func(sc, &rc->data, rc->rvp_id); 695 RUM_UNLOCK(sc); 696 697 RUM_CMDQ_LOCK(sc); 698 memset(rc, 0, sizeof (*rc)); 699 sc->cmdq_first = (sc->cmdq_first + 1) % RUM_CMDQ_SIZE; 700 } 701 RUM_CMDQ_UNLOCK(sc); 702} 703 704static int 705rum_cmd_sleepable(struct rum_softc *sc, const void *ptr, size_t len, 706 uint8_t rvp_id, CMD_FUNC_PROTO) 707{ 708 struct ieee80211com *ic = &sc->sc_ic; 709 710 KASSERT(len <= sizeof(union sec_param), ("buffer overflow")); 711 712 RUM_CMDQ_LOCK(sc); 713 if (sc->cmdq[sc->cmdq_last].func != NULL) { 714 device_printf(sc->sc_dev, "%s: cmdq overflow\n", __func__); 715 RUM_CMDQ_UNLOCK(sc); 716 717 return EAGAIN; 718 } 719 720 if (ptr != NULL) 721 memcpy(&sc->cmdq[sc->cmdq_last].data, ptr, len); 722 sc->cmdq[sc->cmdq_last].rvp_id = rvp_id; 723 sc->cmdq[sc->cmdq_last].func = func; 724 sc->cmdq_last = (sc->cmdq_last + 1) % RUM_CMDQ_SIZE; 725 RUM_CMDQ_UNLOCK(sc); 726 727 ieee80211_runtask(ic, &sc->cmdq_task); 728 729 return 0; 730} 731 732static void 733rum_tx_free(struct rum_tx_data *data, int txerr) 734{ 735 struct rum_softc *sc = data->sc; 736 737 if (data->m != NULL) { 738 ieee80211_tx_complete(data->ni, data->m, txerr); 739 data->m = NULL; 740 data->ni = NULL; 741 } 742 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 743 sc->tx_nfree++; 744} 745 746static void 747rum_setup_tx_list(struct rum_softc *sc) 748{ 749 struct rum_tx_data *data; 750 int i; 751 752 sc->tx_nfree = 0; 753 STAILQ_INIT(&sc->tx_q); 754 STAILQ_INIT(&sc->tx_free); 755 756 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 757 data = &sc->tx_data[i]; 758 759 data->sc = sc; 760 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 761 sc->tx_nfree++; 762 } 763} 764 765static void 766rum_unsetup_tx_list(struct rum_softc *sc) 767{ 768 struct rum_tx_data *data; 769 int i; 770 771 /* make sure any subsequent use of the queues will fail */ 772 sc->tx_nfree = 0; 773 STAILQ_INIT(&sc->tx_q); 774 STAILQ_INIT(&sc->tx_free); 775 776 /* free up all node references and mbufs */ 777 for (i = 0; i < RUM_TX_LIST_COUNT; i++) { 778 data = &sc->tx_data[i]; 779 780 if (data->m != NULL) { 781 m_freem(data->m); 782 data->m = NULL; 783 } 784 if (data->ni != NULL) { 785 ieee80211_free_node(data->ni); 786 data->ni = NULL; 787 } 788 } 789} 790 791static int 792rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 793{ 794 struct rum_vap *rvp = RUM_VAP(vap); 795 struct ieee80211com *ic = vap->iv_ic; 796 struct rum_softc *sc = ic->ic_softc; 797 const struct ieee80211_txparam *tp; 798 enum ieee80211_state ostate; 799 struct ieee80211_node *ni; 800 int ret; 801 802 ostate = vap->iv_state; 803 DPRINTF("%s -> %s\n", 804 ieee80211_state_name[ostate], 805 ieee80211_state_name[nstate]); 806 807 IEEE80211_UNLOCK(ic); 808 RUM_LOCK(sc); 809 usb_callout_stop(&rvp->ratectl_ch); 810 811 switch (nstate) { 812 case IEEE80211_S_INIT: 813 if (ostate == IEEE80211_S_RUN) 814 rum_abort_tsf_sync(sc); 815 816 break; 817 818 case IEEE80211_S_RUN: 819 ni = ieee80211_ref_node(vap->iv_bss); 820 821 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 822 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) { 823 ret = EINVAL; 824 goto run_fail; 825 } 826 rum_update_slot_cb(sc, NULL, 0); 827 rum_enable_mrr(sc); 828 rum_set_txpreamble(sc); 829 rum_set_basicrates(sc); 830 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 831 rum_set_bssid(sc, sc->sc_bssid); 832 } 833 834 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 835 vap->iv_opmode == IEEE80211_M_IBSS) { 836 if ((ret = rum_alloc_beacon(sc, vap)) != 0) 837 goto run_fail; 838 } 839 840 if (vap->iv_opmode != IEEE80211_M_MONITOR && 841 vap->iv_opmode != IEEE80211_M_AHDEMO) { 842 if ((ret = rum_enable_tsf_sync(sc)) != 0) 843 goto run_fail; 844 } else 845 rum_enable_tsf(sc); 846 847 /* enable automatic rate adaptation */ 848 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 849 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 850 rum_ratectl_start(sc, ni); 851 ieee80211_free_node(ni); 852 break; 853 default: 854 break; 855 } 856 RUM_UNLOCK(sc); 857 IEEE80211_LOCK(ic); 858 return (rvp->newstate(vap, nstate, arg)); 859 860run_fail: 861 RUM_UNLOCK(sc); 862 IEEE80211_LOCK(ic); 863 ieee80211_free_node(ni); 864 return ret; 865} 866 867static void 868rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 869{ 870 struct rum_softc *sc = usbd_xfer_softc(xfer); 871 struct ieee80211vap *vap; 872 struct rum_tx_data *data; 873 struct mbuf *m; 874 struct usb_page_cache *pc; 875 unsigned int len; 876 int actlen, sumlen; 877 878 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 879 880 switch (USB_GET_STATE(xfer)) { 881 case USB_ST_TRANSFERRED: 882 DPRINTFN(11, "transfer complete, %d bytes\n", actlen); 883 884 /* free resources */ 885 data = usbd_xfer_get_priv(xfer); 886 rum_tx_free(data, 0); 887 usbd_xfer_set_priv(xfer, NULL); 888 889 /* FALLTHROUGH */ 890 case USB_ST_SETUP: 891tr_setup: 892 data = STAILQ_FIRST(&sc->tx_q); 893 if (data) { 894 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 895 m = data->m; 896 897 if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) { 898 DPRINTFN(0, "data overflow, %u bytes\n", 899 m->m_pkthdr.len); 900 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE); 901 } 902 pc = usbd_xfer_get_frame(xfer, 0); 903 usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE); 904 usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0, 905 m->m_pkthdr.len); 906 907 vap = data->ni->ni_vap; 908 if (ieee80211_radiotap_active_vap(vap)) { 909 struct rum_tx_radiotap_header *tap = &sc->sc_txtap; 910 911 tap->wt_flags = 0; 912 tap->wt_rate = data->rate; 913 rum_get_tsf(sc, &tap->wt_tsf); 914 tap->wt_antenna = sc->tx_ant; 915 916 ieee80211_radiotap_tx(vap, m); 917 } 918 919 /* align end on a 4-bytes boundary */ 920 len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3; 921 if ((len % 64) == 0) 922 len += 4; 923 924 DPRINTFN(11, "sending frame len=%u xferlen=%u\n", 925 m->m_pkthdr.len, len); 926 927 usbd_xfer_set_frame_len(xfer, 0, len); 928 usbd_xfer_set_priv(xfer, data); 929 930 usbd_transfer_submit(xfer); 931 } 932 rum_start(sc); 933 break; 934 935 default: /* Error */ 936 DPRINTFN(11, "transfer error, %s\n", 937 usbd_errstr(error)); 938 939 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 940 data = usbd_xfer_get_priv(xfer); 941 if (data != NULL) { 942 rum_tx_free(data, error); 943 usbd_xfer_set_priv(xfer, NULL); 944 } 945 946 if (error != USB_ERR_CANCELLED) { 947 if (error == USB_ERR_TIMEOUT) 948 device_printf(sc->sc_dev, "device timeout\n"); 949 950 /* 951 * Try to clear stall first, also if other 952 * errors occur, hence clearing stall 953 * introduces a 50 ms delay: 954 */ 955 usbd_xfer_set_stall(xfer); 956 goto tr_setup; 957 } 958 break; 959 } 960} 961 962static void 963rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 964{ 965 struct rum_softc *sc = usbd_xfer_softc(xfer); 966 struct ieee80211com *ic = &sc->sc_ic; 967 struct ieee80211_frame_min *wh; 968 struct ieee80211_node *ni; 969 struct mbuf *m = NULL; 970 struct usb_page_cache *pc; 971 uint32_t flags; 972 uint8_t rssi = 0; 973 int len; 974 975 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 976 977 switch (USB_GET_STATE(xfer)) { 978 case USB_ST_TRANSFERRED: 979 980 DPRINTFN(15, "rx done, actlen=%d\n", len); 981 982 if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) { 983 DPRINTF("%s: xfer too short %d\n", 984 device_get_nameunit(sc->sc_dev), len); 985 counter_u64_add(ic->ic_ierrors, 1); 986 goto tr_setup; 987 } 988 989 len -= RT2573_RX_DESC_SIZE; 990 pc = usbd_xfer_get_frame(xfer, 0); 991 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE); 992 993 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi); 994 flags = le32toh(sc->sc_rx_desc.flags); 995 if (flags & RT2573_RX_CRC_ERROR) { 996 /* 997 * This should not happen since we did not 998 * request to receive those frames when we 999 * filled RUM_TXRX_CSR2: 1000 */ 1001 DPRINTFN(5, "PHY or CRC error\n"); 1002 counter_u64_add(ic->ic_ierrors, 1); 1003 goto tr_setup; 1004 } 1005 if ((flags & RT2573_RX_DEC_MASK) != RT2573_RX_DEC_OK) { 1006 switch (flags & RT2573_RX_DEC_MASK) { 1007 case RT2573_RX_IV_ERROR: 1008 DPRINTFN(5, "IV/EIV error\n"); 1009 break; 1010 case RT2573_RX_MIC_ERROR: 1011 DPRINTFN(5, "MIC error\n"); 1012 break; 1013 case RT2573_RX_KEY_ERROR: 1014 DPRINTFN(5, "Key error\n"); 1015 break; 1016 } 1017 counter_u64_add(ic->ic_ierrors, 1); 1018 goto tr_setup; 1019 } 1020 1021 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1022 if (m == NULL) { 1023 DPRINTF("could not allocate mbuf\n"); 1024 counter_u64_add(ic->ic_ierrors, 1); 1025 goto tr_setup; 1026 } 1027 usbd_copy_out(pc, RT2573_RX_DESC_SIZE, 1028 mtod(m, uint8_t *), len); 1029 1030 wh = mtod(m, struct ieee80211_frame_min *); 1031 1032 if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1033 (flags & RT2573_RX_CIP_MASK) != 1034 RT2573_RX_CIP_MODE(RT2573_MODE_NOSEC)) { 1035 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED; 1036 m->m_flags |= M_WEP; 1037 } 1038 1039 /* finalize mbuf */ 1040 m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff; 1041 1042 if (ieee80211_radiotap_active(ic)) { 1043 struct rum_rx_radiotap_header *tap = &sc->sc_rxtap; 1044 1045 tap->wr_flags = 0; 1046 tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate, 1047 (flags & RT2573_RX_OFDM) ? 1048 IEEE80211_T_OFDM : IEEE80211_T_CCK); 1049 rum_get_tsf(sc, &tap->wr_tsf); 1050 tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi; 1051 tap->wr_antnoise = RT2573_NOISE_FLOOR; 1052 tap->wr_antenna = sc->rx_ant; 1053 } 1054 /* FALLTHROUGH */ 1055 case USB_ST_SETUP: 1056tr_setup: 1057 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1058 usbd_transfer_submit(xfer); 1059 1060 /* 1061 * At the end of a USB callback it is always safe to unlock 1062 * the private mutex of a device! That is why we do the 1063 * "ieee80211_input" here, and not some lines up! 1064 */ 1065 RUM_UNLOCK(sc); 1066 if (m) { 1067 if (m->m_len >= sizeof(struct ieee80211_frame_min)) 1068 ni = ieee80211_find_rxnode(ic, wh); 1069 else 1070 ni = NULL; 1071 1072 if (ni != NULL) { 1073 (void) ieee80211_input(ni, m, rssi, 1074 RT2573_NOISE_FLOOR); 1075 ieee80211_free_node(ni); 1076 } else 1077 (void) ieee80211_input_all(ic, m, rssi, 1078 RT2573_NOISE_FLOOR); 1079 } 1080 RUM_LOCK(sc); 1081 rum_start(sc); 1082 return; 1083 1084 default: /* Error */ 1085 if (error != USB_ERR_CANCELLED) { 1086 /* try to clear stall first */ 1087 usbd_xfer_set_stall(xfer); 1088 goto tr_setup; 1089 } 1090 return; 1091 } 1092} 1093 1094static uint8_t 1095rum_plcp_signal(int rate) 1096{ 1097 switch (rate) { 1098 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1099 case 12: return 0xb; 1100 case 18: return 0xf; 1101 case 24: return 0xa; 1102 case 36: return 0xe; 1103 case 48: return 0x9; 1104 case 72: return 0xd; 1105 case 96: return 0x8; 1106 case 108: return 0xc; 1107 1108 /* CCK rates (NB: not IEEE std, device-specific) */ 1109 case 2: return 0x0; 1110 case 4: return 0x1; 1111 case 11: return 0x2; 1112 case 22: return 0x3; 1113 } 1114 return 0xff; /* XXX unsupported/unknown rate */ 1115} 1116 1117/* 1118 * Map net80211 cipher to RT2573 security mode. 1119 */ 1120static uint8_t 1121rum_crypto_mode(struct rum_softc *sc, u_int cipher, int keylen) 1122{ 1123 switch (cipher) { 1124 case IEEE80211_CIPHER_WEP: 1125 return (keylen < 8 ? RT2573_MODE_WEP40 : RT2573_MODE_WEP104); 1126 case IEEE80211_CIPHER_TKIP: 1127 return RT2573_MODE_TKIP; 1128 case IEEE80211_CIPHER_AES_CCM: 1129 return RT2573_MODE_AES_CCMP; 1130 default: 1131 device_printf(sc->sc_dev, "unknown cipher %d\n", cipher); 1132 return 0; 1133 } 1134} 1135 1136static void 1137rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc, 1138 struct ieee80211_key *k, uint32_t flags, uint8_t xflags, int hdrlen, 1139 int len, int rate) 1140{ 1141 struct ieee80211com *ic = &sc->sc_ic; 1142 uint16_t plcp_length; 1143 int remainder; 1144 1145 flags |= RT2573_TX_VALID; 1146 flags |= len << 16; 1147 1148 if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 1149 const struct ieee80211_cipher *cip = k->wk_cipher; 1150 1151 len += cip->ic_header + cip->ic_trailer + cip->ic_miclen; 1152 1153 desc->eiv = 0; /* for WEP */ 1154 cip->ic_setiv(k, (uint8_t *)&desc->iv); 1155 } 1156 1157 /* setup PLCP fields */ 1158 desc->plcp_signal = rum_plcp_signal(rate); 1159 desc->plcp_service = 4; 1160 1161 len += IEEE80211_CRC_LEN; 1162 if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) { 1163 flags |= RT2573_TX_OFDM; 1164 1165 plcp_length = len & 0xfff; 1166 desc->plcp_length_hi = plcp_length >> 6; 1167 desc->plcp_length_lo = plcp_length & 0x3f; 1168 } else { 1169 if (rate == 0) 1170 rate = 2; /* avoid division by zero */ 1171 plcp_length = (16 * len + rate - 1) / rate; 1172 if (rate == 22) { 1173 remainder = (16 * len) % 22; 1174 if (remainder != 0 && remainder < 7) 1175 desc->plcp_service |= RT2573_PLCP_LENGEXT; 1176 } 1177 desc->plcp_length_hi = plcp_length >> 8; 1178 desc->plcp_length_lo = plcp_length & 0xff; 1179 1180 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1181 desc->plcp_signal |= 0x08; 1182 } 1183 1184 desc->flags = htole32(flags); 1185 desc->hdrlen = hdrlen; 1186 desc->xflags = xflags; 1187 1188 desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) | 1189 RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10)); 1190} 1191 1192static int 1193rum_sendprot(struct rum_softc *sc, 1194 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 1195{ 1196 struct ieee80211com *ic = ni->ni_ic; 1197 const struct ieee80211_frame *wh; 1198 struct rum_tx_data *data; 1199 struct mbuf *mprot; 1200 int protrate, pktlen, flags, isshort; 1201 uint16_t dur; 1202 1203 RUM_LOCK_ASSERT(sc); 1204 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 1205 ("protection %d", prot)); 1206 1207 wh = mtod(m, const struct ieee80211_frame *); 1208 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 1209 1210 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 1211 1212 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 1213 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 1214 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1215 flags = 0; 1216 if (prot == IEEE80211_PROT_RTSCTS) { 1217 /* NB: CTS is the same size as an ACK */ 1218 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 1219 flags |= RT2573_TX_NEED_ACK; 1220 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 1221 } else { 1222 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 1223 } 1224 if (mprot == NULL) { 1225 /* XXX stat + msg */ 1226 return (ENOBUFS); 1227 } 1228 data = STAILQ_FIRST(&sc->tx_free); 1229 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1230 sc->tx_nfree--; 1231 1232 data->m = mprot; 1233 data->ni = ieee80211_ref_node(ni); 1234 data->rate = protrate; 1235 rum_setup_tx_desc(sc, &data->desc, NULL, flags, 0, 0, 1236 mprot->m_pkthdr.len, protrate); 1237 1238 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1239 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1240 1241 return 0; 1242} 1243 1244static uint32_t 1245rum_tx_crypto_flags(struct rum_softc *sc, struct ieee80211_node *ni, 1246 const struct ieee80211_key *k) 1247{ 1248 struct ieee80211vap *vap = ni->ni_vap; 1249 u_int cipher; 1250 uint32_t flags = 0; 1251 uint8_t mode, pos; 1252 1253 if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 1254 cipher = k->wk_cipher->ic_cipher; 1255 pos = k->wk_keyix; 1256 mode = rum_crypto_mode(sc, cipher, k->wk_keylen); 1257 if (mode == 0) 1258 return 0; 1259 1260 flags |= RT2573_TX_CIP_MODE(mode); 1261 1262 /* Do not trust GROUP flag */ 1263 if (!(k >= &vap->iv_nw_keys[0] && 1264 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) 1265 flags |= RT2573_TX_KEY_PAIR; 1266 else 1267 pos += 0 * RT2573_SKEY_MAX; /* vap id */ 1268 1269 flags |= RT2573_TX_KEY_ID(pos); 1270 1271 if (cipher == IEEE80211_CIPHER_TKIP) 1272 flags |= RT2573_TX_TKIPMIC; 1273 } 1274 1275 return flags; 1276} 1277 1278static int 1279rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1280{ 1281 struct ieee80211vap *vap = ni->ni_vap; 1282 struct ieee80211com *ic = &sc->sc_ic; 1283 struct rum_tx_data *data; 1284 struct ieee80211_frame *wh; 1285 const struct ieee80211_txparam *tp; 1286 struct ieee80211_key *k = NULL; 1287 uint32_t flags = 0; 1288 uint16_t dur; 1289 uint8_t type, xflags = 0; 1290 int hdrlen; 1291 1292 RUM_LOCK_ASSERT(sc); 1293 1294 data = STAILQ_FIRST(&sc->tx_free); 1295 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1296 sc->tx_nfree--; 1297 1298 wh = mtod(m0, struct ieee80211_frame *); 1299 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 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 (type == IEEE80211_FC0_TYPE_MGT && 1325 (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == 1326 IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1327 flags |= RT2573_TX_TIMESTAMP; 1328 } 1329 1330 if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh)) 1331 xflags |= RT2573_TX_HWSEQ; 1332 1333 if (k != NULL) 1334 flags |= rum_tx_crypto_flags(sc, ni, k); 1335 1336 data->m = m0; 1337 data->ni = ni; 1338 data->rate = tp->mgmtrate; 1339 1340 rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, hdrlen, 1341 m0->m_pkthdr.len, tp->mgmtrate); 1342 1343 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", 1344 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate); 1345 1346 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1347 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1348 1349 return (0); 1350} 1351 1352static int 1353rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1354 const struct ieee80211_bpf_params *params) 1355{ 1356 struct ieee80211com *ic = ni->ni_ic; 1357 struct ieee80211_frame *wh; 1358 struct rum_tx_data *data; 1359 uint32_t flags; 1360 uint8_t type, xflags = 0; 1361 int rate, error; 1362 1363 RUM_LOCK_ASSERT(sc); 1364 1365 wh = mtod(m0, struct ieee80211_frame *); 1366 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1367 1368 rate = params->ibp_rate0; 1369 if (!ieee80211_isratevalid(ic->ic_rt, rate)) 1370 return (EINVAL); 1371 1372 flags = 0; 1373 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 1374 flags |= RT2573_TX_NEED_ACK; 1375 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 1376 error = rum_sendprot(sc, m0, ni, 1377 params->ibp_flags & IEEE80211_BPF_RTS ? 1378 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 1379 rate); 1380 if (error || sc->tx_nfree == 0) 1381 return (ENOBUFS); 1382 1383 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1384 } 1385 1386 if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh)) 1387 xflags |= RT2573_TX_HWSEQ; 1388 1389 data = STAILQ_FIRST(&sc->tx_free); 1390 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1391 sc->tx_nfree--; 1392 1393 data->m = m0; 1394 data->ni = ni; 1395 data->rate = rate; 1396 1397 /* XXX need to setup descriptor ourself */ 1398 rum_setup_tx_desc(sc, &data->desc, NULL, flags, xflags, 0, 1399 m0->m_pkthdr.len, rate); 1400 1401 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 1402 m0->m_pkthdr.len, rate); 1403 1404 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1405 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1406 1407 return 0; 1408} 1409 1410static int 1411rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1412{ 1413 struct ieee80211vap *vap = ni->ni_vap; 1414 struct ieee80211com *ic = &sc->sc_ic; 1415 struct rum_tx_data *data; 1416 struct ieee80211_frame *wh; 1417 const struct ieee80211_txparam *tp; 1418 struct ieee80211_key *k = NULL; 1419 uint32_t flags = 0; 1420 uint16_t dur; 1421 uint8_t type, xflags = 0; 1422 int error, hdrlen, rate; 1423 1424 RUM_LOCK_ASSERT(sc); 1425 1426 wh = mtod(m0, struct ieee80211_frame *); 1427 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1428 hdrlen = ieee80211_anyhdrsize(wh); 1429 1430 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1431 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1432 rate = tp->mcastrate; 1433 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 1434 rate = tp->ucastrate; 1435 else 1436 rate = ni->ni_txrate; 1437 1438 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1439 k = ieee80211_crypto_get_txkey(ni, m0); 1440 if (k == NULL) { 1441 m_freem(m0); 1442 return (ENOENT); 1443 } 1444 if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) && 1445 !k->wk_cipher->ic_encap(k, m0)) { 1446 m_freem(m0); 1447 return (ENOBUFS); 1448 } 1449 1450 /* packet header may have moved, reset our local pointer */ 1451 wh = mtod(m0, struct ieee80211_frame *); 1452 } 1453 1454 if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh)) 1455 xflags |= RT2573_TX_HWSEQ; 1456 1457 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1458 int prot = IEEE80211_PROT_NONE; 1459 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 1460 prot = IEEE80211_PROT_RTSCTS; 1461 else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 1462 ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) 1463 prot = ic->ic_protmode; 1464 if (prot != IEEE80211_PROT_NONE) { 1465 error = rum_sendprot(sc, m0, ni, prot, rate); 1466 if (error || sc->tx_nfree == 0) { 1467 m_freem(m0); 1468 return ENOBUFS; 1469 } 1470 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS; 1471 } 1472 } 1473 1474 if (k != NULL) 1475 flags |= rum_tx_crypto_flags(sc, ni, k); 1476 1477 data = STAILQ_FIRST(&sc->tx_free); 1478 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 1479 sc->tx_nfree--; 1480 1481 data->m = m0; 1482 data->ni = ni; 1483 data->rate = rate; 1484 1485 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1486 flags |= RT2573_TX_NEED_ACK; 1487 1488 dur = ieee80211_ack_duration(ic->ic_rt, rate, 1489 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 1490 USETW(wh->i_dur, dur); 1491 } 1492 1493 rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, hdrlen, 1494 m0->m_pkthdr.len, rate); 1495 1496 DPRINTFN(10, "sending frame len=%d rate=%d\n", 1497 m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate); 1498 1499 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 1500 usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]); 1501 1502 return 0; 1503} 1504 1505static int 1506rum_transmit(struct ieee80211com *ic, struct mbuf *m) 1507{ 1508 struct rum_softc *sc = ic->ic_softc; 1509 int error; 1510 1511 RUM_LOCK(sc); 1512 if (!sc->sc_running) { 1513 RUM_UNLOCK(sc); 1514 return (ENXIO); 1515 } 1516 error = mbufq_enqueue(&sc->sc_snd, m); 1517 if (error) { 1518 RUM_UNLOCK(sc); 1519 return (error); 1520 } 1521 rum_start(sc); 1522 RUM_UNLOCK(sc); 1523 1524 return (0); 1525} 1526 1527static void 1528rum_start(struct rum_softc *sc) 1529{ 1530 struct ieee80211_node *ni; 1531 struct mbuf *m; 1532 1533 RUM_LOCK_ASSERT(sc); 1534 1535 if (!sc->sc_running) 1536 return; 1537 1538 while (sc->tx_nfree >= RUM_TX_MINFREE && 1539 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1540 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1541 if (rum_tx_data(sc, m, ni) != 0) { 1542 if_inc_counter(ni->ni_vap->iv_ifp, 1543 IFCOUNTER_OERRORS, 1); 1544 ieee80211_free_node(ni); 1545 break; 1546 } 1547 } 1548} 1549 1550static void 1551rum_parent(struct ieee80211com *ic) 1552{ 1553 struct rum_softc *sc = ic->ic_softc; 1554 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1555 1556 RUM_LOCK(sc); 1557 if (sc->sc_detached) { 1558 RUM_UNLOCK(sc); 1559 return; 1560 } 1561 RUM_UNLOCK(sc); 1562 1563 if (ic->ic_nrunning > 0) { 1564 if (rum_init(sc) == 0) 1565 ieee80211_start_all(ic); 1566 else 1567 ieee80211_stop(vap); 1568 } else 1569 rum_stop(sc); 1570} 1571 1572static void 1573rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len) 1574{ 1575 struct usb_device_request req; 1576 usb_error_t error; 1577 1578 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1579 req.bRequest = RT2573_READ_EEPROM; 1580 USETW(req.wValue, 0); 1581 USETW(req.wIndex, addr); 1582 USETW(req.wLength, len); 1583 1584 error = rum_do_request(sc, &req, buf); 1585 if (error != 0) { 1586 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1587 usbd_errstr(error)); 1588 } 1589} 1590 1591static uint32_t 1592rum_read(struct rum_softc *sc, uint16_t reg) 1593{ 1594 uint32_t val; 1595 1596 rum_read_multi(sc, reg, &val, sizeof val); 1597 1598 return le32toh(val); 1599} 1600 1601static void 1602rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len) 1603{ 1604 struct usb_device_request req; 1605 usb_error_t error; 1606 1607 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1608 req.bRequest = RT2573_READ_MULTI_MAC; 1609 USETW(req.wValue, 0); 1610 USETW(req.wIndex, reg); 1611 USETW(req.wLength, len); 1612 1613 error = rum_do_request(sc, &req, buf); 1614 if (error != 0) { 1615 device_printf(sc->sc_dev, 1616 "could not multi read MAC register: %s\n", 1617 usbd_errstr(error)); 1618 } 1619} 1620 1621static usb_error_t 1622rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val) 1623{ 1624 uint32_t tmp = htole32(val); 1625 1626 return (rum_write_multi(sc, reg, &tmp, sizeof tmp)); 1627} 1628 1629static usb_error_t 1630rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len) 1631{ 1632 struct usb_device_request req; 1633 usb_error_t error; 1634 size_t offset; 1635 1636 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1637 req.bRequest = RT2573_WRITE_MULTI_MAC; 1638 USETW(req.wValue, 0); 1639 1640 /* write at most 64 bytes at a time */ 1641 for (offset = 0; offset < len; offset += 64) { 1642 USETW(req.wIndex, reg + offset); 1643 USETW(req.wLength, MIN(len - offset, 64)); 1644 1645 error = rum_do_request(sc, &req, (char *)buf + offset); 1646 if (error != 0) { 1647 device_printf(sc->sc_dev, 1648 "could not multi write MAC register: %s\n", 1649 usbd_errstr(error)); 1650 return (error); 1651 } 1652 } 1653 1654 return (USB_ERR_NORMAL_COMPLETION); 1655} 1656 1657static usb_error_t 1658rum_setbits(struct rum_softc *sc, uint16_t reg, uint32_t mask) 1659{ 1660 return (rum_write(sc, reg, rum_read(sc, reg) | mask)); 1661} 1662 1663static usb_error_t 1664rum_clrbits(struct rum_softc *sc, uint16_t reg, uint32_t mask) 1665{ 1666 return (rum_write(sc, reg, rum_read(sc, reg) & ~mask)); 1667} 1668 1669static usb_error_t 1670rum_modbits(struct rum_softc *sc, uint16_t reg, uint32_t set, uint32_t unset) 1671{ 1672 return (rum_write(sc, reg, (rum_read(sc, reg) & ~unset) | set)); 1673} 1674 1675static int 1676rum_bbp_busy(struct rum_softc *sc) 1677{ 1678 int ntries; 1679 1680 for (ntries = 0; ntries < 100; ntries++) { 1681 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY)) 1682 break; 1683 if (rum_pause(sc, hz / 100)) 1684 break; 1685 } 1686 if (ntries == 100) 1687 return (ETIMEDOUT); 1688 1689 return (0); 1690} 1691 1692static void 1693rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val) 1694{ 1695 uint32_t tmp; 1696 1697 DPRINTFN(2, "reg=0x%08x\n", reg); 1698 1699 if (rum_bbp_busy(sc) != 0) { 1700 device_printf(sc->sc_dev, "could not write to BBP\n"); 1701 return; 1702 } 1703 1704 tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val; 1705 rum_write(sc, RT2573_PHY_CSR3, tmp); 1706} 1707 1708static uint8_t 1709rum_bbp_read(struct rum_softc *sc, uint8_t reg) 1710{ 1711 uint32_t val; 1712 int ntries; 1713 1714 DPRINTFN(2, "reg=0x%08x\n", reg); 1715 1716 if (rum_bbp_busy(sc) != 0) { 1717 device_printf(sc->sc_dev, "could not read BBP\n"); 1718 return 0; 1719 } 1720 1721 val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8; 1722 rum_write(sc, RT2573_PHY_CSR3, val); 1723 1724 for (ntries = 0; ntries < 100; ntries++) { 1725 val = rum_read(sc, RT2573_PHY_CSR3); 1726 if (!(val & RT2573_BBP_BUSY)) 1727 return val & 0xff; 1728 if (rum_pause(sc, hz / 100)) 1729 break; 1730 } 1731 1732 device_printf(sc->sc_dev, "could not read BBP\n"); 1733 return 0; 1734} 1735 1736static void 1737rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val) 1738{ 1739 uint32_t tmp; 1740 int ntries; 1741 1742 for (ntries = 0; ntries < 100; ntries++) { 1743 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY)) 1744 break; 1745 if (rum_pause(sc, hz / 100)) 1746 break; 1747 } 1748 if (ntries == 100) { 1749 device_printf(sc->sc_dev, "could not write to RF\n"); 1750 return; 1751 } 1752 1753 tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 | 1754 (reg & 3); 1755 rum_write(sc, RT2573_PHY_CSR4, tmp); 1756 1757 /* remember last written value in sc */ 1758 sc->rf_regs[reg] = val; 1759 1760 DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff); 1761} 1762 1763static void 1764rum_select_antenna(struct rum_softc *sc) 1765{ 1766 uint8_t bbp4, bbp77; 1767 uint32_t tmp; 1768 1769 bbp4 = rum_bbp_read(sc, 4); 1770 bbp77 = rum_bbp_read(sc, 77); 1771 1772 /* TBD */ 1773 1774 /* make sure Rx is disabled before switching antenna */ 1775 tmp = rum_read(sc, RT2573_TXRX_CSR0); 1776 rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX); 1777 1778 rum_bbp_write(sc, 4, bbp4); 1779 rum_bbp_write(sc, 77, bbp77); 1780 1781 rum_write(sc, RT2573_TXRX_CSR0, tmp); 1782} 1783 1784/* 1785 * Enable multi-rate retries for frames sent at OFDM rates. 1786 * In 802.11b/g mode, allow fallback to CCK rates. 1787 */ 1788static void 1789rum_enable_mrr(struct rum_softc *sc) 1790{ 1791 struct ieee80211com *ic = &sc->sc_ic; 1792 1793 if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { 1794 rum_setbits(sc, RT2573_TXRX_CSR4, 1795 RT2573_MRR_ENABLED | RT2573_MRR_CCK_FALLBACK); 1796 } else { 1797 rum_modbits(sc, RT2573_TXRX_CSR4, 1798 RT2573_MRR_ENABLED, RT2573_MRR_CCK_FALLBACK); 1799 } 1800} 1801 1802static void 1803rum_set_txpreamble(struct rum_softc *sc) 1804{ 1805 struct ieee80211com *ic = &sc->sc_ic; 1806 1807 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1808 rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE); 1809 else 1810 rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE); 1811} 1812 1813static void 1814rum_set_basicrates(struct rum_softc *sc) 1815{ 1816 struct ieee80211com *ic = &sc->sc_ic; 1817 1818 /* update basic rate set */ 1819 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1820 /* 11b basic rates: 1, 2Mbps */ 1821 rum_write(sc, RT2573_TXRX_CSR5, 0x3); 1822 } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) { 1823 /* 11a basic rates: 6, 12, 24Mbps */ 1824 rum_write(sc, RT2573_TXRX_CSR5, 0x150); 1825 } else { 1826 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */ 1827 rum_write(sc, RT2573_TXRX_CSR5, 0xf); 1828 } 1829} 1830 1831/* 1832 * Reprogram MAC/BBP to switch to a new band. Values taken from the reference 1833 * driver. 1834 */ 1835static void 1836rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c) 1837{ 1838 uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104; 1839 1840 /* update all BBP registers that depend on the band */ 1841 bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c; 1842 bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48; 1843 if (IEEE80211_IS_CHAN_5GHZ(c)) { 1844 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c; 1845 bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10; 1846 } 1847 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1848 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1849 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10; 1850 } 1851 1852 sc->bbp17 = bbp17; 1853 rum_bbp_write(sc, 17, bbp17); 1854 rum_bbp_write(sc, 96, bbp96); 1855 rum_bbp_write(sc, 104, bbp104); 1856 1857 if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) || 1858 (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) { 1859 rum_bbp_write(sc, 75, 0x80); 1860 rum_bbp_write(sc, 86, 0x80); 1861 rum_bbp_write(sc, 88, 0x80); 1862 } 1863 1864 rum_bbp_write(sc, 35, bbp35); 1865 rum_bbp_write(sc, 97, bbp97); 1866 rum_bbp_write(sc, 98, bbp98); 1867 1868 if (IEEE80211_IS_CHAN_2GHZ(c)) { 1869 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_2GHZ, 1870 RT2573_PA_PE_5GHZ); 1871 } else { 1872 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_5GHZ, 1873 RT2573_PA_PE_2GHZ); 1874 } 1875} 1876 1877static void 1878rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c) 1879{ 1880 struct ieee80211com *ic = &sc->sc_ic; 1881 const struct rfprog *rfprog; 1882 uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT; 1883 int8_t power; 1884 int i, chan; 1885 1886 chan = ieee80211_chan2ieee(ic, c); 1887 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1888 return; 1889 1890 /* select the appropriate RF settings based on what EEPROM says */ 1891 rfprog = (sc->rf_rev == RT2573_RF_5225 || 1892 sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226; 1893 1894 /* find the settings for this channel (we know it exists) */ 1895 for (i = 0; rfprog[i].chan != chan; i++); 1896 1897 power = sc->txpow[i]; 1898 if (power < 0) { 1899 bbp94 += power; 1900 power = 0; 1901 } else if (power > 31) { 1902 bbp94 += power - 31; 1903 power = 31; 1904 } 1905 1906 /* 1907 * If we are switching from the 2GHz band to the 5GHz band or 1908 * vice-versa, BBP registers need to be reprogrammed. 1909 */ 1910 if (c->ic_flags != ic->ic_curchan->ic_flags) { 1911 rum_select_band(sc, c); 1912 rum_select_antenna(sc); 1913 } 1914 ic->ic_curchan = c; 1915 1916 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1917 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1918 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1919 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1920 1921 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1922 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1923 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1); 1924 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1925 1926 rum_rf_write(sc, RT2573_RF1, rfprog[i].r1); 1927 rum_rf_write(sc, RT2573_RF2, rfprog[i].r2); 1928 rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7); 1929 rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10); 1930 1931 rum_pause(sc, hz / 100); 1932 1933 /* enable smart mode for MIMO-capable RFs */ 1934 bbp3 = rum_bbp_read(sc, 3); 1935 1936 bbp3 &= ~RT2573_SMART_MODE; 1937 if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527) 1938 bbp3 |= RT2573_SMART_MODE; 1939 1940 rum_bbp_write(sc, 3, bbp3); 1941 1942 if (bbp94 != RT2573_BBPR94_DEFAULT) 1943 rum_bbp_write(sc, 94, bbp94); 1944 1945 /* give the chip some extra time to do the switchover */ 1946 rum_pause(sc, hz / 100); 1947} 1948 1949/* 1950 * Enable TSF synchronization and tell h/w to start sending beacons for IBSS 1951 * and HostAP operating modes. 1952 */ 1953static int 1954rum_enable_tsf_sync(struct rum_softc *sc) 1955{ 1956 struct ieee80211com *ic = &sc->sc_ic; 1957 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1958 uint32_t tmp; 1959 1960 if (vap->iv_opmode != IEEE80211_M_STA) { 1961 /* 1962 * Change default 16ms TBTT adjustment to 8ms. 1963 * Must be done before enabling beacon generation. 1964 */ 1965 if (rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8) != 0) 1966 return EIO; 1967 } 1968 1969 tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000; 1970 1971 /* set beacon interval (in 1/16ms unit) */ 1972 tmp |= vap->iv_bss->ni_intval * 16; 1973 tmp |= RT2573_TSF_TIMER_EN | RT2573_TBTT_TIMER_EN; 1974 1975 switch (vap->iv_opmode) { 1976 case IEEE80211_M_STA: 1977 /* 1978 * Local TSF is always updated with remote TSF on beacon 1979 * reception. 1980 */ 1981 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_STA); 1982 break; 1983 case IEEE80211_M_IBSS: 1984 /* 1985 * Local TSF is updated with remote TSF on beacon reception 1986 * only if the remote TSF is greater than local TSF. 1987 */ 1988 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_IBSS); 1989 tmp |= RT2573_BCN_TX_EN; 1990 break; 1991 case IEEE80211_M_HOSTAP: 1992 /* SYNC with nobody */ 1993 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_HOSTAP); 1994 tmp |= RT2573_BCN_TX_EN; 1995 break; 1996 default: 1997 device_printf(sc->sc_dev, 1998 "Enabling TSF failed. undefined opmode %d\n", 1999 vap->iv_opmode); 2000 return EINVAL; 2001 } 2002 2003 if (rum_write(sc, RT2573_TXRX_CSR9, tmp) != 0) 2004 return EIO; 2005 2006 return 0; 2007} 2008 2009static void 2010rum_enable_tsf(struct rum_softc *sc) 2011{ 2012 rum_modbits(sc, RT2573_TXRX_CSR9, RT2573_TSF_TIMER_EN | 2013 RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_DIS), 0x00ffffff); 2014} 2015 2016static void 2017rum_abort_tsf_sync(struct rum_softc *sc) 2018{ 2019 rum_clrbits(sc, RT2573_TXRX_CSR9, 0x00ffffff); 2020} 2021 2022static void 2023rum_get_tsf(struct rum_softc *sc, uint64_t *buf) 2024{ 2025 rum_read_multi(sc, RT2573_TXRX_CSR12, buf, sizeof (*buf)); 2026} 2027 2028static void 2029rum_update_slot_cb(struct rum_softc *sc, union sec_param *data, uint8_t rvp_id) 2030{ 2031 struct ieee80211com *ic = &sc->sc_ic; 2032 uint8_t slottime; 2033 2034 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 2035 2036 rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff); 2037 2038 DPRINTF("setting slot time to %uus\n", slottime); 2039} 2040 2041static void 2042rum_update_slot(struct ieee80211com *ic) 2043{ 2044 rum_cmd_sleepable(ic->ic_softc, NULL, 0, 0, rum_update_slot_cb); 2045} 2046 2047static void 2048rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid) 2049{ 2050 2051 rum_write(sc, RT2573_MAC_CSR4, 2052 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 2053 rum_write(sc, RT2573_MAC_CSR5, 2054 bssid[4] | bssid[5] << 8 | RT2573_NUM_BSSID_MSK(1)); 2055} 2056 2057static void 2058rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr) 2059{ 2060 2061 rum_write(sc, RT2573_MAC_CSR2, 2062 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 2063 rum_write(sc, RT2573_MAC_CSR3, 2064 addr[4] | addr[5] << 8 | 0xff << 16); 2065} 2066 2067static void 2068rum_setpromisc(struct rum_softc *sc) 2069{ 2070 struct ieee80211com *ic = &sc->sc_ic; 2071 2072 if (ic->ic_promisc == 0) 2073 rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME); 2074 else 2075 rum_clrbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME); 2076 2077 DPRINTF("%s promiscuous mode\n", ic->ic_promisc > 0 ? 2078 "entering" : "leaving"); 2079} 2080 2081static void 2082rum_update_promisc(struct ieee80211com *ic) 2083{ 2084 struct rum_softc *sc = ic->ic_softc; 2085 2086 RUM_LOCK(sc); 2087 if (sc->sc_running) 2088 rum_setpromisc(sc); 2089 RUM_UNLOCK(sc); 2090} 2091 2092static void 2093rum_update_mcast(struct ieee80211com *ic) 2094{ 2095 /* Ignore. */ 2096} 2097 2098static const char * 2099rum_get_rf(int rev) 2100{ 2101 switch (rev) { 2102 case RT2573_RF_2527: return "RT2527 (MIMO XR)"; 2103 case RT2573_RF_2528: return "RT2528"; 2104 case RT2573_RF_5225: return "RT5225 (MIMO XR)"; 2105 case RT2573_RF_5226: return "RT5226"; 2106 default: return "unknown"; 2107 } 2108} 2109 2110static void 2111rum_read_eeprom(struct rum_softc *sc) 2112{ 2113 uint16_t val; 2114#ifdef RUM_DEBUG 2115 int i; 2116#endif 2117 2118 /* read MAC address */ 2119 rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6); 2120 2121 rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2); 2122 val = le16toh(val); 2123 sc->rf_rev = (val >> 11) & 0x1f; 2124 sc->hw_radio = (val >> 10) & 0x1; 2125 sc->rx_ant = (val >> 4) & 0x3; 2126 sc->tx_ant = (val >> 2) & 0x3; 2127 sc->nb_ant = val & 0x3; 2128 2129 DPRINTF("RF revision=%d\n", sc->rf_rev); 2130 2131 rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2); 2132 val = le16toh(val); 2133 sc->ext_5ghz_lna = (val >> 6) & 0x1; 2134 sc->ext_2ghz_lna = (val >> 4) & 0x1; 2135 2136 DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n", 2137 sc->ext_2ghz_lna, sc->ext_5ghz_lna); 2138 2139 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2); 2140 val = le16toh(val); 2141 if ((val & 0xff) != 0xff) 2142 sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */ 2143 2144 /* Only [-10, 10] is valid */ 2145 if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10) 2146 sc->rssi_2ghz_corr = 0; 2147 2148 rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2); 2149 val = le16toh(val); 2150 if ((val & 0xff) != 0xff) 2151 sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */ 2152 2153 /* Only [-10, 10] is valid */ 2154 if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10) 2155 sc->rssi_5ghz_corr = 0; 2156 2157 if (sc->ext_2ghz_lna) 2158 sc->rssi_2ghz_corr -= 14; 2159 if (sc->ext_5ghz_lna) 2160 sc->rssi_5ghz_corr -= 14; 2161 2162 DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n", 2163 sc->rssi_2ghz_corr, sc->rssi_5ghz_corr); 2164 2165 rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2); 2166 val = le16toh(val); 2167 if ((val & 0xff) != 0xff) 2168 sc->rffreq = val & 0xff; 2169 2170 DPRINTF("RF freq=%d\n", sc->rffreq); 2171 2172 /* read Tx power for all a/b/g channels */ 2173 rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14); 2174 /* XXX default Tx power for 802.11a channels */ 2175 memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14); 2176#ifdef RUM_DEBUG 2177 for (i = 0; i < 14; i++) 2178 DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]); 2179#endif 2180 2181 /* read default values for BBP registers */ 2182 rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16); 2183#ifdef RUM_DEBUG 2184 for (i = 0; i < 14; i++) { 2185 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 2186 continue; 2187 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg, 2188 sc->bbp_prom[i].val); 2189 } 2190#endif 2191} 2192 2193static int 2194rum_bbp_wakeup(struct rum_softc *sc) 2195{ 2196 unsigned int ntries; 2197 2198 for (ntries = 0; ntries < 100; ntries++) { 2199 if (rum_read(sc, RT2573_MAC_CSR12) & 8) 2200 break; 2201 rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */ 2202 if (rum_pause(sc, hz / 100)) 2203 break; 2204 } 2205 if (ntries == 100) { 2206 device_printf(sc->sc_dev, 2207 "timeout waiting for BBP/RF to wakeup\n"); 2208 return (ETIMEDOUT); 2209 } 2210 2211 return (0); 2212} 2213 2214static int 2215rum_bbp_init(struct rum_softc *sc) 2216{ 2217 int i, ntries; 2218 2219 /* wait for BBP to be ready */ 2220 for (ntries = 0; ntries < 100; ntries++) { 2221 const uint8_t val = rum_bbp_read(sc, 0); 2222 if (val != 0 && val != 0xff) 2223 break; 2224 if (rum_pause(sc, hz / 100)) 2225 break; 2226 } 2227 if (ntries == 100) { 2228 device_printf(sc->sc_dev, "timeout waiting for BBP\n"); 2229 return EIO; 2230 } 2231 2232 /* initialize BBP registers to default values */ 2233 for (i = 0; i < nitems(rum_def_bbp); i++) 2234 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val); 2235 2236 /* write vendor-specific BBP values (from EEPROM) */ 2237 for (i = 0; i < 16; i++) { 2238 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff) 2239 continue; 2240 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 2241 } 2242 2243 return 0; 2244} 2245 2246static void 2247rum_clr_shkey_regs(struct rum_softc *sc) 2248{ 2249 rum_write(sc, RT2573_SEC_CSR0, 0); 2250 rum_write(sc, RT2573_SEC_CSR1, 0); 2251 rum_write(sc, RT2573_SEC_CSR5, 0); 2252} 2253 2254static int 2255rum_init(struct rum_softc *sc) 2256{ 2257 struct ieee80211com *ic = &sc->sc_ic; 2258 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2259 uint32_t tmp; 2260 int i, ret; 2261 2262 RUM_LOCK(sc); 2263 if (sc->sc_running) { 2264 ret = 0; 2265 goto end; 2266 } 2267 2268 /* initialize MAC registers to default values */ 2269 for (i = 0; i < nitems(rum_def_mac); i++) 2270 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val); 2271 2272 /* set host ready */ 2273 rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP); 2274 rum_write(sc, RT2573_MAC_CSR1, 0); 2275 2276 /* wait for BBP/RF to wakeup */ 2277 if ((ret = rum_bbp_wakeup(sc)) != 0) 2278 goto end; 2279 2280 if ((ret = rum_bbp_init(sc)) != 0) 2281 goto end; 2282 2283 /* select default channel */ 2284 rum_select_band(sc, ic->ic_curchan); 2285 rum_select_antenna(sc); 2286 rum_set_chan(sc, ic->ic_curchan); 2287 2288 /* clear STA registers */ 2289 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 2290 2291 /* clear security registers (if required) */ 2292 if (sc->sc_clr_shkeys == 0) { 2293 rum_clr_shkey_regs(sc); 2294 sc->sc_clr_shkeys = 1; 2295 } 2296 2297 rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 2298 2299 /* initialize ASIC */ 2300 rum_write(sc, RT2573_MAC_CSR1, RT2573_HOST_READY); 2301 2302 /* 2303 * Allocate Tx and Rx xfer queues. 2304 */ 2305 rum_setup_tx_list(sc); 2306 2307 /* update Rx filter */ 2308 tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff; 2309 2310 tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR; 2311 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2312 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR | 2313 RT2573_DROP_ACKCTS; 2314 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2315 tmp |= RT2573_DROP_TODS; 2316 if (ic->ic_promisc == 0) 2317 tmp |= RT2573_DROP_NOT_TO_ME; 2318 } 2319 rum_write(sc, RT2573_TXRX_CSR0, tmp); 2320 2321 sc->sc_running = 1; 2322 usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]); 2323 usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]); 2324 2325end: RUM_UNLOCK(sc); 2326 2327 if (ret != 0) 2328 rum_stop(sc); 2329 2330 return ret; 2331} 2332 2333static void 2334rum_stop(struct rum_softc *sc) 2335{ 2336 2337 RUM_LOCK(sc); 2338 if (!sc->sc_running) { 2339 RUM_UNLOCK(sc); 2340 return; 2341 } 2342 sc->sc_running = 0; 2343 RUM_UNLOCK(sc); 2344 2345 /* 2346 * Drain the USB transfers, if not already drained: 2347 */ 2348 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]); 2349 usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]); 2350 2351 RUM_LOCK(sc); 2352 rum_unsetup_tx_list(sc); 2353 2354 /* disable Rx */ 2355 rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DISABLE_RX); 2356 2357 /* reset ASIC */ 2358 rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP); 2359 rum_write(sc, RT2573_MAC_CSR1, 0); 2360 RUM_UNLOCK(sc); 2361} 2362 2363static void 2364rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size) 2365{ 2366 struct usb_device_request req; 2367 uint16_t reg = RT2573_MCU_CODE_BASE; 2368 usb_error_t err; 2369 2370 /* copy firmware image into NIC */ 2371 for (; size >= 4; reg += 4, ucode += 4, size -= 4) { 2372 err = rum_write(sc, reg, UGETDW(ucode)); 2373 if (err) { 2374 /* firmware already loaded ? */ 2375 device_printf(sc->sc_dev, "Firmware load " 2376 "failure! (ignored)\n"); 2377 break; 2378 } 2379 } 2380 2381 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2382 req.bRequest = RT2573_MCU_CNTL; 2383 USETW(req.wValue, RT2573_MCU_RUN); 2384 USETW(req.wIndex, 0); 2385 USETW(req.wLength, 0); 2386 2387 err = rum_do_request(sc, &req, NULL); 2388 if (err != 0) { 2389 device_printf(sc->sc_dev, "could not run firmware: %s\n", 2390 usbd_errstr(err)); 2391 } 2392 2393 /* give the chip some time to boot */ 2394 rum_pause(sc, hz / 8); 2395} 2396 2397static int 2398rum_set_beacon(struct rum_softc *sc, struct ieee80211vap *vap) 2399{ 2400 struct ieee80211com *ic = vap->iv_ic; 2401 struct rum_vap *rvp = RUM_VAP(vap); 2402 struct mbuf *m = rvp->bcn_mbuf; 2403 const struct ieee80211_txparam *tp; 2404 struct rum_tx_desc desc; 2405 2406 RUM_LOCK_ASSERT(sc); 2407 2408 if (m == NULL) 2409 return EINVAL; 2410 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) 2411 return EINVAL; 2412 2413 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 2414 rum_setup_tx_desc(sc, &desc, NULL, RT2573_TX_TIMESTAMP, 2415 RT2573_TX_HWSEQ, 0, m->m_pkthdr.len, tp->mgmtrate); 2416 2417 /* copy the Tx descriptor into NIC memory */ 2418 if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0), (uint8_t *)&desc, 2419 RT2573_TX_DESC_SIZE) != 0) 2420 return EIO; 2421 2422 /* copy beacon header and payload into NIC memory */ 2423 if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0) + RT2573_TX_DESC_SIZE, 2424 mtod(m, uint8_t *), m->m_pkthdr.len) != 0) 2425 return EIO; 2426 2427 return 0; 2428} 2429 2430static int 2431rum_alloc_beacon(struct rum_softc *sc, struct ieee80211vap *vap) 2432{ 2433 struct rum_vap *rvp = RUM_VAP(vap); 2434 struct ieee80211_node *ni = vap->iv_bss; 2435 struct mbuf *m; 2436 2437 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 2438 return EINVAL; 2439 2440 m = ieee80211_beacon_alloc(ni); 2441 if (m == NULL) 2442 return ENOMEM; 2443 2444 if (rvp->bcn_mbuf != NULL) 2445 m_freem(rvp->bcn_mbuf); 2446 2447 rvp->bcn_mbuf = m; 2448 2449 return (rum_set_beacon(sc, vap)); 2450} 2451 2452static void 2453rum_update_beacon_cb(struct rum_softc *sc, union sec_param *data, 2454 uint8_t rvp_id) 2455{ 2456 struct ieee80211vap *vap = data->vap; 2457 2458 rum_set_beacon(sc, vap); 2459} 2460 2461static void 2462rum_update_beacon(struct ieee80211vap *vap, int item) 2463{ 2464 struct ieee80211com *ic = vap->iv_ic; 2465 struct rum_softc *sc = ic->ic_softc; 2466 struct rum_vap *rvp = RUM_VAP(vap); 2467 struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 2468 struct ieee80211_node *ni = vap->iv_bss; 2469 struct mbuf *m = rvp->bcn_mbuf; 2470 int mcast = 0; 2471 2472 RUM_LOCK(sc); 2473 if (m == NULL) { 2474 m = ieee80211_beacon_alloc(ni); 2475 if (m == NULL) { 2476 device_printf(sc->sc_dev, 2477 "%s: could not allocate beacon frame\n", __func__); 2478 RUM_UNLOCK(sc); 2479 return; 2480 } 2481 rvp->bcn_mbuf = m; 2482 } 2483 2484 switch (item) { 2485 case IEEE80211_BEACON_ERP: 2486 rum_update_slot(ic); 2487 break; 2488 case IEEE80211_BEACON_TIM: 2489 mcast = 1; /*TODO*/ 2490 break; 2491 default: 2492 break; 2493 } 2494 RUM_UNLOCK(sc); 2495 2496 setbit(bo->bo_flags, item); 2497 ieee80211_beacon_update(ni, m, mcast); 2498 2499 rum_cmd_sleepable(sc, &vap, sizeof(vap), 0, rum_update_beacon_cb); 2500} 2501 2502static int 2503rum_common_key_set(struct rum_softc *sc, struct ieee80211_key *k, 2504 uint16_t base) 2505{ 2506 2507 if (rum_write_multi(sc, base, k->wk_key, k->wk_keylen)) 2508 return EIO; 2509 2510 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2511 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE, 2512 k->wk_txmic, 8)) 2513 return EIO; 2514 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE + 8, 2515 k->wk_rxmic, 8)) 2516 return EIO; 2517 } 2518 2519 return 0; 2520} 2521 2522static void 2523rum_group_key_set_cb(struct rum_softc *sc, union sec_param *data, 2524 uint8_t rvp_id) 2525{ 2526 struct ieee80211_key *k = &data->key; 2527 uint8_t mode; 2528 2529 if (sc->sc_clr_shkeys == 0) { 2530 rum_clr_shkey_regs(sc); 2531 sc->sc_clr_shkeys = 1; 2532 } 2533 2534 mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen); 2535 if (mode == 0) 2536 goto print_err; 2537 2538 DPRINTFN(1, "setting group key %d for vap %d, mode %d " 2539 "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode, 2540 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2541 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2542 2543 /* Install the key. */ 2544 if (rum_common_key_set(sc, k, RT2573_SKEY(rvp_id, k->wk_keyix)) != 0) 2545 goto print_err; 2546 2547 /* Set cipher mode. */ 2548 if (rum_modbits(sc, rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5, 2549 mode << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX, 2550 RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX) 2551 != 0) 2552 goto print_err; 2553 2554 /* Mark this key as valid. */ 2555 if (rum_setbits(sc, RT2573_SEC_CSR0, 2556 1 << (rvp_id * RT2573_SKEY_MAX + k->wk_keyix)) != 0) 2557 goto print_err; 2558 2559 return; 2560 2561print_err: 2562 device_printf(sc->sc_dev, "%s: cannot set group key %d for vap %d\n", 2563 __func__, k->wk_keyix, rvp_id); 2564} 2565 2566static void 2567rum_group_key_del_cb(struct rum_softc *sc, union sec_param *data, 2568 uint8_t rvp_id) 2569{ 2570 struct ieee80211_key *k = &data->key; 2571 2572 DPRINTF("%s: removing group key %d for vap %d\n", __func__, 2573 k->wk_keyix, rvp_id); 2574 rum_clrbits(sc, 2575 rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5, 2576 RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX); 2577 rum_clrbits(sc, RT2573_SEC_CSR0, 2578 rvp_id * RT2573_SKEY_MAX + k->wk_keyix); 2579} 2580 2581static void 2582rum_pair_key_set_cb(struct rum_softc *sc, union sec_param *data, 2583 uint8_t rvp_id) 2584{ 2585 struct ieee80211_key *k = &data->key; 2586 uint8_t buf[IEEE80211_ADDR_LEN + 1]; 2587 uint8_t mode; 2588 2589 mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen); 2590 if (mode == 0) 2591 goto print_err; 2592 2593 DPRINTFN(1, "setting pairwise key %d for vap %d, mode %d " 2594 "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode, 2595 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2596 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2597 2598 /* Install the key. */ 2599 if (rum_common_key_set(sc, k, RT2573_PKEY(k->wk_keyix)) != 0) 2600 goto print_err; 2601 2602 IEEE80211_ADDR_COPY(buf, k->wk_macaddr); 2603 buf[IEEE80211_ADDR_LEN] = mode; 2604 2605 /* Set transmitter address and cipher mode. */ 2606 if (rum_write_multi(sc, RT2573_ADDR_ENTRY(k->wk_keyix), 2607 buf, sizeof buf) != 0) 2608 goto print_err; 2609 2610 /* Enable key table lookup for this vap. */ 2611 if (sc->vap_key_count[rvp_id]++ == 0) 2612 if (rum_setbits(sc, RT2573_SEC_CSR4, 1 << rvp_id) != 0) 2613 goto print_err; 2614 2615 /* Mark this key as valid. */ 2616 if (rum_setbits(sc, 2617 k->wk_keyix < 32 ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3, 2618 1 << (k->wk_keyix % 32)) != 0) 2619 goto print_err; 2620 2621 return; 2622 2623print_err: 2624 device_printf(sc->sc_dev, 2625 "%s: cannot set pairwise key %d, vap %d\n", __func__, k->wk_keyix, 2626 rvp_id); 2627} 2628 2629static void 2630rum_pair_key_del_cb(struct rum_softc *sc, union sec_param *data, 2631 uint8_t rvp_id) 2632{ 2633 struct ieee80211_key *k = &data->key; 2634 2635 DPRINTF("%s: removing key %d\n", __func__, k->wk_keyix); 2636 rum_clrbits(sc, (k->wk_keyix < 32) ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3, 2637 1 << (k->wk_keyix % 32)); 2638 sc->keys_bmap &= ~(1 << k->wk_keyix); 2639 if (--sc->vap_key_count[rvp_id] == 0) 2640 rum_clrbits(sc, RT2573_SEC_CSR4, 1 << rvp_id); 2641} 2642 2643static int 2644rum_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 2645 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 2646{ 2647 struct rum_softc *sc = vap->iv_ic->ic_softc; 2648 uint8_t i; 2649 2650 if (!(&vap->iv_nw_keys[0] <= k && 2651 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 2652 if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 2653 RUM_LOCK(sc); 2654 for (i = 0; i < RT2573_ADDR_MAX; i++) { 2655 if ((sc->keys_bmap & (1 << i)) == 0) { 2656 sc->keys_bmap |= 1 << i; 2657 *keyix = i; 2658 break; 2659 } 2660 } 2661 RUM_UNLOCK(sc); 2662 if (i == RT2573_ADDR_MAX) { 2663 device_printf(sc->sc_dev, 2664 "%s: no free space in the key table\n", 2665 __func__); 2666 return 0; 2667 } 2668 } else 2669 *keyix = 0; 2670 } else { 2671 *keyix = k - vap->iv_nw_keys; 2672 } 2673 *rxkeyix = *keyix; 2674 return 1; 2675} 2676 2677static int 2678rum_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) 2679{ 2680 struct rum_softc *sc = vap->iv_ic->ic_softc; 2681 int group; 2682 2683 if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2684 /* Not for us. */ 2685 return 1; 2686 } 2687 2688 group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; 2689 2690 return !rum_cmd_sleepable(sc, k, sizeof(*k), 0, 2691 group ? rum_group_key_set_cb : rum_pair_key_set_cb); 2692} 2693 2694static int 2695rum_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 2696{ 2697 struct rum_softc *sc = vap->iv_ic->ic_softc; 2698 int group; 2699 2700 if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 2701 /* Not for us. */ 2702 return 1; 2703 } 2704 2705 group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; 2706 2707 return !rum_cmd_sleepable(sc, k, sizeof(*k), 0, 2708 group ? rum_group_key_del_cb : rum_pair_key_del_cb); 2709} 2710 2711static int 2712rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2713 const struct ieee80211_bpf_params *params) 2714{ 2715 struct rum_softc *sc = ni->ni_ic->ic_softc; 2716 int ret; 2717 2718 RUM_LOCK(sc); 2719 /* prevent management frames from being sent if we're not ready */ 2720 if (!sc->sc_running) { 2721 ret = ENETDOWN; 2722 goto bad; 2723 } 2724 if (sc->tx_nfree < RUM_TX_MINFREE) { 2725 ret = EIO; 2726 goto bad; 2727 } 2728 2729 if (params == NULL) { 2730 /* 2731 * Legacy path; interpret frame contents to decide 2732 * precisely how to send the frame. 2733 */ 2734 if ((ret = rum_tx_mgt(sc, m, ni)) != 0) 2735 goto bad; 2736 } else { 2737 /* 2738 * Caller supplied explicit parameters to use in 2739 * sending the frame. 2740 */ 2741 if ((ret = rum_tx_raw(sc, m, ni, params)) != 0) 2742 goto bad; 2743 } 2744 RUM_UNLOCK(sc); 2745 2746 return 0; 2747bad: 2748 RUM_UNLOCK(sc); 2749 m_freem(m); 2750 ieee80211_free_node(ni); 2751 return ret; 2752} 2753 2754static void 2755rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni) 2756{ 2757 struct ieee80211vap *vap = ni->ni_vap; 2758 struct rum_vap *rvp = RUM_VAP(vap); 2759 2760 /* clear statistic registers (STA_CSR0 to STA_CSR5) */ 2761 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta); 2762 2763 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2764} 2765 2766static void 2767rum_ratectl_timeout(void *arg) 2768{ 2769 struct rum_vap *rvp = arg; 2770 struct ieee80211vap *vap = &rvp->vap; 2771 struct ieee80211com *ic = vap->iv_ic; 2772 2773 ieee80211_runtask(ic, &rvp->ratectl_task); 2774} 2775 2776static void 2777rum_ratectl_task(void *arg, int pending) 2778{ 2779 struct rum_vap *rvp = arg; 2780 struct ieee80211vap *vap = &rvp->vap; 2781 struct ieee80211com *ic = vap->iv_ic; 2782 struct rum_softc *sc = ic->ic_softc; 2783 struct ieee80211_node *ni; 2784 int ok, fail; 2785 int sum, retrycnt; 2786 2787 RUM_LOCK(sc); 2788 /* read and clear statistic registers (STA_CSR0 to STA_CSR10) */ 2789 rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta)); 2790 2791 ok = (le32toh(sc->sta[4]) >> 16) + /* TX ok w/o retry */ 2792 (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ retry */ 2793 fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */ 2794 sum = ok+fail; 2795 retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail; 2796 2797 ni = ieee80211_ref_node(vap->iv_bss); 2798 ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt); 2799 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2800 ieee80211_free_node(ni); 2801 2802 /* count TX retry-fail as Tx errors */ 2803 if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, fail); 2804 2805 usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp); 2806 RUM_UNLOCK(sc); 2807} 2808 2809static void 2810rum_scan_start(struct ieee80211com *ic) 2811{ 2812 struct rum_softc *sc = ic->ic_softc; 2813 2814 RUM_LOCK(sc); 2815 rum_abort_tsf_sync(sc); 2816 rum_set_bssid(sc, ieee80211broadcastaddr); 2817 RUM_UNLOCK(sc); 2818 2819} 2820 2821static void 2822rum_scan_end(struct ieee80211com *ic) 2823{ 2824 struct rum_softc *sc = ic->ic_softc; 2825 2826 RUM_LOCK(sc); 2827 if (ic->ic_opmode != IEEE80211_M_AHDEMO) 2828 rum_enable_tsf_sync(sc); 2829 else 2830 rum_enable_tsf(sc); 2831 rum_set_bssid(sc, sc->sc_bssid); 2832 RUM_UNLOCK(sc); 2833 2834} 2835 2836static void 2837rum_set_channel(struct ieee80211com *ic) 2838{ 2839 struct rum_softc *sc = ic->ic_softc; 2840 2841 RUM_LOCK(sc); 2842 rum_set_chan(sc, ic->ic_curchan); 2843 RUM_UNLOCK(sc); 2844} 2845 2846static int 2847rum_get_rssi(struct rum_softc *sc, uint8_t raw) 2848{ 2849 struct ieee80211com *ic = &sc->sc_ic; 2850 int lna, agc, rssi; 2851 2852 lna = (raw >> 5) & 0x3; 2853 agc = raw & 0x1f; 2854 2855 if (lna == 0) { 2856 /* 2857 * No RSSI mapping 2858 * 2859 * NB: Since RSSI is relative to noise floor, -1 is 2860 * adequate for caller to know error happened. 2861 */ 2862 return -1; 2863 } 2864 2865 rssi = (2 * agc) - RT2573_NOISE_FLOOR; 2866 2867 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2868 rssi += sc->rssi_2ghz_corr; 2869 2870 if (lna == 1) 2871 rssi -= 64; 2872 else if (lna == 2) 2873 rssi -= 74; 2874 else if (lna == 3) 2875 rssi -= 90; 2876 } else { 2877 rssi += sc->rssi_5ghz_corr; 2878 2879 if (!sc->ext_5ghz_lna && lna != 1) 2880 rssi += 4; 2881 2882 if (lna == 1) 2883 rssi -= 64; 2884 else if (lna == 2) 2885 rssi -= 86; 2886 else if (lna == 3) 2887 rssi -= 100; 2888 } 2889 return rssi; 2890} 2891 2892static int 2893rum_pause(struct rum_softc *sc, int timeout) 2894{ 2895 2896 usb_pause_mtx(&sc->sc_mtx, timeout); 2897 return (0); 2898} 2899 2900static device_method_t rum_methods[] = { 2901 /* Device interface */ 2902 DEVMETHOD(device_probe, rum_match), 2903 DEVMETHOD(device_attach, rum_attach), 2904 DEVMETHOD(device_detach, rum_detach), 2905 DEVMETHOD_END 2906}; 2907 2908static driver_t rum_driver = { 2909 .name = "rum", 2910 .methods = rum_methods, 2911 .size = sizeof(struct rum_softc), 2912}; 2913 2914static devclass_t rum_devclass; 2915 2916DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0); 2917MODULE_DEPEND(rum, wlan, 1, 1, 1); 2918MODULE_DEPEND(rum, usb, 1, 1, 1); 2919MODULE_VERSION(rum, 1); 2920