sys/dev/usb/wlan/if_rum.c

   1 /*      $FreeBSD$       */
   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  * Copyright (c) 2015 Andriy Voskoboinyk <avos@FreeBSD.org>
   8  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  */
  21
  22 #include <sys/cdefs.h>
  23 __FBSDID("$FreeBSD$");
  24
  25 /*-
  26  * Ralink Technology RT2501USB/RT2601USB chipset driver
  27  * http://www.ralinktech.com.tw/
  28  */
  29
  30 #include "opt_wlan.h"
  31
  32 #include <sys/param.h>
  33 #include <sys/sockio.h>
  34 #include <sys/sysctl.h>
  35 #include <sys/lock.h>
  36 #include <sys/mutex.h>
  37 #include <sys/mbuf.h>
  38 #include <sys/kernel.h>
  39 #include <sys/socket.h>
  40 #include <sys/systm.h>
  41 #include <sys/malloc.h>
  42 #include <sys/module.h>
  43 #include <sys/bus.h>
  44 #include <sys/endian.h>
  45 #include <sys/kdb.h>
  46
  47 #include <net/bpf.h>
  48 #include <net/if.h>
  49 #include <net/if_var.h>
  50 #include <net/if_arp.h>
  51 #include <net/ethernet.h>
  52 #include <net/if_dl.h>
  53 #include <net/if_media.h>
  54 #include <net/if_types.h>
  55
  56 #ifdef INET
  57 #include <netinet/in.h>
  58 #include <netinet/in_systm.h>
  59 #include <netinet/in_var.h>
  60 #include <netinet/if_ether.h>
  61 #include <netinet/ip.h>
  62 #endif
  63
  64 #include <net80211/ieee80211_var.h>
  65 #include <net80211/ieee80211_regdomain.h>
  66 #include <net80211/ieee80211_radiotap.h>
  67 #include <net80211/ieee80211_ratectl.h>
  68
  69 #include <dev/usb/usb.h>
  70 #include <dev/usb/usbdi.h>
  71 #include "usbdevs.h"
  72
  73 #define USB_DEBUG_VAR rum_debug
  74 #include <dev/usb/usb_debug.h>
  75
  76 #include <dev/usb/wlan/if_rumreg.h>
  77 #include <dev/usb/wlan/if_rumvar.h>
  78 #include <dev/usb/wlan/if_rumfw.h>
  79
  80 #ifdef USB_DEBUG
  81 static int rum_debug = 0;
  82
  83 static SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum");
  84 SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RWTUN, &rum_debug, 0,
  85     "Debug level");
  86 #endif
  87
  88 static const STRUCT_USB_HOST_ID rum_devs[] = {
  89 #define RUM_DEV(v,p)  { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
  90     RUM_DEV(ABOCOM, HWU54DM),
  91     RUM_DEV(ABOCOM, RT2573_2),
  92     RUM_DEV(ABOCOM, RT2573_3),
  93     RUM_DEV(ABOCOM, RT2573_4),
  94     RUM_DEV(ABOCOM, WUG2700),
  95     RUM_DEV(AMIT, CGWLUSB2GO),
  96     RUM_DEV(ASUS, RT2573_1),
  97     RUM_DEV(ASUS, RT2573_2),
  98     RUM_DEV(BELKIN, F5D7050A),
  99     RUM_DEV(BELKIN, F5D9050V3),
 100     RUM_DEV(CISCOLINKSYS, WUSB54GC),
 101     RUM_DEV(CISCOLINKSYS, WUSB54GR),
 102     RUM_DEV(CONCEPTRONIC2, C54RU2),
 103     RUM_DEV(COREGA, CGWLUSB2GL),
 104     RUM_DEV(COREGA, CGWLUSB2GPX),
 105     RUM_DEV(DICKSMITH, CWD854F),
 106     RUM_DEV(DICKSMITH, RT2573),
 107     RUM_DEV(EDIMAX, EW7318USG),
 108     RUM_DEV(DLINK2, DWLG122C1),
 109     RUM_DEV(DLINK2, WUA1340),
 110     RUM_DEV(DLINK2, DWA111),
 111     RUM_DEV(DLINK2, DWA110),
 112     RUM_DEV(GIGABYTE, GNWB01GS),
 113     RUM_DEV(GIGABYTE, GNWI05GS),
 114     RUM_DEV(GIGASET, RT2573),
 115     RUM_DEV(GOODWAY, RT2573),
 116     RUM_DEV(GUILLEMOT, HWGUSB254LB),
 117     RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
 118     RUM_DEV(HUAWEI3COM, WUB320G),
 119     RUM_DEV(MELCO, G54HP),
 120     RUM_DEV(MELCO, SG54HP),
 121     RUM_DEV(MELCO, SG54HG),
 122     RUM_DEV(MELCO, WLIUCG),
 123     RUM_DEV(MELCO, WLRUCG),
 124     RUM_DEV(MELCO, WLRUCGAOSS),
 125     RUM_DEV(MSI, RT2573_1),
 126     RUM_DEV(MSI, RT2573_2),
 127     RUM_DEV(MSI, RT2573_3),
 128     RUM_DEV(MSI, RT2573_4),
 129     RUM_DEV(NOVATECH, RT2573),
 130     RUM_DEV(PLANEX2, GWUS54HP),
 131     RUM_DEV(PLANEX2, GWUS54MINI2),
 132     RUM_DEV(PLANEX2, GWUSMM),
 133     RUM_DEV(QCOM, RT2573),
 134     RUM_DEV(QCOM, RT2573_2),
 135     RUM_DEV(QCOM, RT2573_3),
 136     RUM_DEV(RALINK, RT2573),
 137     RUM_DEV(RALINK, RT2573_2),
 138     RUM_DEV(RALINK, RT2671),
 139     RUM_DEV(SITECOMEU, WL113R2),
 140     RUM_DEV(SITECOMEU, WL172),
 141     RUM_DEV(SPARKLAN, RT2573),
 142     RUM_DEV(SURECOM, RT2573),
 143 #undef RUM_DEV
 144 };
 145
 146 static device_probe_t rum_match;
 147 static device_attach_t rum_attach;
 148 static device_detach_t rum_detach;
 149
 150 static usb_callback_t rum_bulk_read_callback;
 151 static usb_callback_t rum_bulk_write_callback;
 152
 153 static usb_error_t      rum_do_request(struct rum_softc *sc,
 154                             struct usb_device_request *req, void *data);
 155 static usb_error_t      rum_do_mcu_request(struct rum_softc *sc, int);
 156 static 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]);
 160 static void             rum_vap_delete(struct ieee80211vap *);
 161 static void             rum_cmdq_cb(void *, int);
 162 static int              rum_cmd_sleepable(struct rum_softc *, const void *,
 163                             size_t, uint8_t, CMD_FUNC_PROTO);
 164 static void             rum_tx_free(struct rum_tx_data *, int);
 165 static void             rum_setup_tx_list(struct rum_softc *);
 166 static void             rum_reset_tx_list(struct rum_softc *,
 167                             struct ieee80211vap *);
 168 static void             rum_unsetup_tx_list(struct rum_softc *);
 169 static void             rum_beacon_miss(struct ieee80211vap *);
 170 static void             rum_sta_recv_mgmt(struct ieee80211_node *,
 171                             struct mbuf *, int,
 172                             const struct ieee80211_rx_stats *, int, int);
 173 static int              rum_set_power_state(struct rum_softc *, int);
 174 static int              rum_newstate(struct ieee80211vap *,
 175                             enum ieee80211_state, int);
 176 static uint8_t          rum_crypto_mode(struct rum_softc *, u_int, int);
 177 static void             rum_setup_tx_desc(struct rum_softc *,
 178                             struct rum_tx_desc *, struct ieee80211_key *,
 179                             uint32_t, uint8_t, uint8_t, int, int, int);
 180 static uint32_t         rum_tx_crypto_flags(struct rum_softc *,
 181                             struct ieee80211_node *,
 182                             const struct ieee80211_key *);
 183 static int              rum_tx_mgt(struct rum_softc *, struct mbuf *,
 184                             struct ieee80211_node *);
 185 static int              rum_tx_raw(struct rum_softc *, struct mbuf *,
 186                             struct ieee80211_node *,
 187                             const struct ieee80211_bpf_params *);
 188 static int              rum_tx_data(struct rum_softc *, struct mbuf *,
 189                             struct ieee80211_node *);
 190 static int              rum_transmit(struct ieee80211com *, struct mbuf *);
 191 static void             rum_start(struct rum_softc *);
 192 static void             rum_parent(struct ieee80211com *);
 193 static void             rum_eeprom_read(struct rum_softc *, uint16_t, void *,
 194                             int);
 195 static uint32_t         rum_read(struct rum_softc *, uint16_t);
 196 static void             rum_read_multi(struct rum_softc *, uint16_t, void *,
 197                             int);
 198 static usb_error_t      rum_write(struct rum_softc *, uint16_t, uint32_t);
 199 static usb_error_t      rum_write_multi(struct rum_softc *, uint16_t, void *,
 200                             size_t);
 201 static usb_error_t      rum_setbits(struct rum_softc *, uint16_t, uint32_t);
 202 static usb_error_t      rum_clrbits(struct rum_softc *, uint16_t, uint32_t);
 203 static usb_error_t      rum_modbits(struct rum_softc *, uint16_t, uint32_t,
 204                             uint32_t);
 205 static int              rum_bbp_busy(struct rum_softc *);
 206 static void             rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
 207 static uint8_t          rum_bbp_read(struct rum_softc *, uint8_t);
 208 static void             rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
 209 static void             rum_select_antenna(struct rum_softc *);
 210 static void             rum_enable_mrr(struct rum_softc *);
 211 static void             rum_set_txpreamble(struct rum_softc *);
 212 static void             rum_set_basicrates(struct rum_softc *);
 213 static void             rum_select_band(struct rum_softc *,
 214                             struct ieee80211_channel *);
 215 static void             rum_set_chan(struct rum_softc *,
 216                             struct ieee80211_channel *);
 217 static void             rum_set_maxretry(struct rum_softc *,
 218                             struct ieee80211vap *);
 219 static int              rum_enable_tsf_sync(struct rum_softc *);
 220 static void             rum_enable_tsf(struct rum_softc *);
 221 static void             rum_abort_tsf_sync(struct rum_softc *);
 222 static void             rum_get_tsf(struct rum_softc *, uint64_t *);
 223 static void             rum_update_slot_cb(struct rum_softc *,
 224                             union sec_param *, uint8_t);
 225 static void             rum_update_slot(struct ieee80211com *);
 226 static int              rum_wme_update(struct ieee80211com *);
 227 static void             rum_set_bssid(struct rum_softc *, const uint8_t *);
 228 static void             rum_set_macaddr(struct rum_softc *, const uint8_t *);
 229 static void             rum_update_mcast(struct ieee80211com *);
 230 static void             rum_update_promisc(struct ieee80211com *);
 231 static void             rum_setpromisc(struct rum_softc *);
 232 static const char       *rum_get_rf(int);
 233 static void             rum_read_eeprom(struct rum_softc *);
 234 static int              rum_bbp_wakeup(struct rum_softc *);
 235 static int              rum_bbp_init(struct rum_softc *);
 236 static void             rum_clr_shkey_regs(struct rum_softc *);
 237 static int              rum_init(struct rum_softc *);
 238 static void             rum_stop(struct rum_softc *);
 239 static void             rum_load_microcode(struct rum_softc *, const uint8_t *,
 240                             size_t);
 241 static int              rum_set_sleep_time(struct rum_softc *, uint16_t);
 242 static int              rum_reset(struct ieee80211vap *, u_long);
 243 static int              rum_set_beacon(struct rum_softc *,
 244                             struct ieee80211vap *);
 245 static int              rum_alloc_beacon(struct rum_softc *,
 246                             struct ieee80211vap *);
 247 static void             rum_update_beacon_cb(struct rum_softc *,
 248                             union sec_param *, uint8_t);
 249 static void             rum_update_beacon(struct ieee80211vap *, int);
 250 static int              rum_common_key_set(struct rum_softc *,
 251                             struct ieee80211_key *, uint16_t);
 252 static void             rum_group_key_set_cb(struct rum_softc *,
 253                             union sec_param *, uint8_t);
 254 static void             rum_group_key_del_cb(struct rum_softc *,
 255                             union sec_param *, uint8_t);
 256 static void             rum_pair_key_set_cb(struct rum_softc *,
 257                             union sec_param *, uint8_t);
 258 static void             rum_pair_key_del_cb(struct rum_softc *,
 259                             union sec_param *, uint8_t);
 260 static int              rum_key_alloc(struct ieee80211vap *,
 261                             struct ieee80211_key *, ieee80211_keyix *,
 262                             ieee80211_keyix *);
 263 static int              rum_key_set(struct ieee80211vap *,
 264                             const struct ieee80211_key *);
 265 static int              rum_key_delete(struct ieee80211vap *,
 266                             const struct ieee80211_key *);
 267 static int              rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
 268                             const struct ieee80211_bpf_params *);
 269 static void             rum_scan_start(struct ieee80211com *);
 270 static void             rum_scan_end(struct ieee80211com *);
 271 static void             rum_set_channel(struct ieee80211com *);
 272 static void             rum_getradiocaps(struct ieee80211com *, int, int *,
 273                             struct ieee80211_channel[]);
 274 static int              rum_get_rssi(struct rum_softc *, uint8_t);
 275 static void             rum_ratectl_start(struct rum_softc *,
 276                             struct ieee80211_node *);
 277 static void             rum_ratectl_timeout(void *);
 278 static void             rum_ratectl_task(void *, int);
 279 static int              rum_pause(struct rum_softc *, int);
 280
 281 static const struct {
 282         uint32_t        reg;
 283         uint32_t        val;
 284 } rum_def_mac[] = {
 285         { RT2573_TXRX_CSR0,  0x025fb032 },
 286         { RT2573_TXRX_CSR1,  0x9eaa9eaf },
 287         { RT2573_TXRX_CSR2,  0x8a8b8c8d },
 288         { RT2573_TXRX_CSR3,  0x00858687 },
 289         { RT2573_TXRX_CSR7,  0x2e31353b },
 290         { RT2573_TXRX_CSR8,  0x2a2a2a2c },
 291         { RT2573_TXRX_CSR15, 0x0000000f },
 292         { RT2573_MAC_CSR6,   0x00000fff },
 293         { RT2573_MAC_CSR8,   0x016c030a },
 294         { RT2573_MAC_CSR10,  0x00000718 },
 295         { RT2573_MAC_CSR12,  0x00000004 },
 296         { RT2573_MAC_CSR13,  0x00007f00 },
 297         { RT2573_SEC_CSR2,   0x00000000 },
 298         { RT2573_SEC_CSR3,   0x00000000 },
 299         { RT2573_SEC_CSR4,   0x00000000 },
 300         { RT2573_PHY_CSR1,   0x000023b0 },
 301         { RT2573_PHY_CSR5,   0x00040a06 },
 302         { RT2573_PHY_CSR6,   0x00080606 },
 303         { RT2573_PHY_CSR7,   0x00000408 },
 304         { RT2573_AIFSN_CSR,  0x00002273 },
 305         { RT2573_CWMIN_CSR,  0x00002344 },
 306         { RT2573_CWMAX_CSR,  0x000034aa }
 307 };
 308
 309 static const struct {
 310         uint8_t reg;
 311         uint8_t val;
 312 } rum_def_bbp[] = {
 313         {   3, 0x80 },
 314         {  15, 0x30 },
 315         {  17, 0x20 },
 316         {  21, 0xc8 },
 317         {  22, 0x38 },
 318         {  23, 0x06 },
 319         {  24, 0xfe },
 320         {  25, 0x0a },
 321         {  26, 0x0d },
 322         {  32, 0x0b },
 323         {  34, 0x12 },
 324         {  37, 0x07 },
 325         {  39, 0xf8 },
 326         {  41, 0x60 },
 327         {  53, 0x10 },
 328         {  54, 0x18 },
 329         {  60, 0x10 },
 330         {  61, 0x04 },
 331         {  62, 0x04 },
 332         {  75, 0xfe },
 333         {  86, 0xfe },
 334         {  88, 0xfe },
 335         {  90, 0x0f },
 336         {  99, 0x00 },
 337         { 102, 0x16 },
 338         { 107, 0x04 }
 339 };
 340
 341 static const uint8_t rum_chan_5ghz[] =
 342         { 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64,
 343           100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140,
 344           149, 153, 157, 161, 165 };
 345
 346 static const struct rfprog {
 347         uint8_t         chan;
 348         uint32_t        r1, r2, r3, r4;
 349 }  rum_rf5226[] = {
 350         {   1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
 351         {   2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
 352         {   3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
 353         {   4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
 354         {   5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
 355         {   6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
 356         {   7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
 357         {   8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
 358         {   9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
 359         {  10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
 360         {  11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
 361         {  12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
 362         {  13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
 363         {  14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
 364
 365         {  34, 0x00b03, 0x20266, 0x36014, 0x30282 },
 366         {  38, 0x00b03, 0x20267, 0x36014, 0x30284 },
 367         {  42, 0x00b03, 0x20268, 0x36014, 0x30286 },
 368         {  46, 0x00b03, 0x20269, 0x36014, 0x30288 },
 369
 370         {  36, 0x00b03, 0x00266, 0x26014, 0x30288 },
 371         {  40, 0x00b03, 0x00268, 0x26014, 0x30280 },
 372         {  44, 0x00b03, 0x00269, 0x26014, 0x30282 },
 373         {  48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
 374         {  52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
 375         {  56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
 376         {  60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
 377         {  64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
 378
 379         { 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
 380         { 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
 381         { 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
 382         { 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
 383         { 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
 384         { 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
 385         { 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
 386         { 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
 387         { 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
 388         { 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
 389         { 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
 390
 391         { 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
 392         { 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
 393         { 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
 394         { 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
 395         { 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
 396 }, rum_rf5225[] = {
 397         {   1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
 398         {   2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
 399         {   3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
 400         {   4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
 401         {   5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
 402         {   6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
 403         {   7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
 404         {   8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
 405         {   9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
 406         {  10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
 407         {  11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
 408         {  12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
 409         {  13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
 410         {  14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
 411
 412         {  34, 0x00b33, 0x01266, 0x26014, 0x30282 },
 413         {  38, 0x00b33, 0x01267, 0x26014, 0x30284 },
 414         {  42, 0x00b33, 0x01268, 0x26014, 0x30286 },
 415         {  46, 0x00b33, 0x01269, 0x26014, 0x30288 },
 416
 417         {  36, 0x00b33, 0x01266, 0x26014, 0x30288 },
 418         {  40, 0x00b33, 0x01268, 0x26014, 0x30280 },
 419         {  44, 0x00b33, 0x01269, 0x26014, 0x30282 },
 420         {  48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
 421         {  52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
 422         {  56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
 423         {  60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
 424         {  64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
 425
 426         { 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
 427         { 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
 428         { 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
 429         { 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
 430         { 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
 431         { 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
 432         { 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
 433         { 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
 434         { 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
 435         { 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
 436         { 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
 437
 438         { 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
 439         { 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
 440         { 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
 441         { 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
 442         { 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
 443 };
 444
 445 static const struct usb_config rum_config[RUM_N_TRANSFER] = {
 446         [RUM_BULK_WR] = {
 447                 .type = UE_BULK,
 448                 .endpoint = UE_ADDR_ANY,
 449                 .direction = UE_DIR_OUT,
 450                 .bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
 451                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 452                 .callback = rum_bulk_write_callback,
 453                 .timeout = 5000,        /* ms */
 454         },
 455         [RUM_BULK_RD] = {
 456                 .type = UE_BULK,
 457                 .endpoint = UE_ADDR_ANY,
 458                 .direction = UE_DIR_IN,
 459                 .bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
 460                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 461                 .callback = rum_bulk_read_callback,
 462         },
 463 };
 464
 465 static int
 466 rum_match(device_t self)
 467 {
 468         struct usb_attach_arg *uaa = device_get_ivars(self);
 469
 470         if (uaa->usb_mode != USB_MODE_HOST)
 471                 return (ENXIO);
 472         if (uaa->info.bConfigIndex != 0)
 473                 return (ENXIO);
 474         if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
 475                 return (ENXIO);
 476
 477         return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
 478 }
 479
 480 static int
 481 rum_attach(device_t self)
 482 {
 483         struct usb_attach_arg *uaa = device_get_ivars(self);
 484         struct rum_softc *sc = device_get_softc(self);
 485         struct ieee80211com *ic = &sc->sc_ic;
 486         uint32_t tmp;
 487         uint8_t iface_index;
 488         int error, ntries;
 489
 490         device_set_usb_desc(self);
 491         sc->sc_udev = uaa->device;
 492         sc->sc_dev = self;
 493
 494         RUM_LOCK_INIT(sc);
 495         RUM_CMDQ_LOCK_INIT(sc);
 496         mbufq_init(&sc->sc_snd, ifqmaxlen);
 497
 498         iface_index = RT2573_IFACE_INDEX;
 499         error = usbd_transfer_setup(uaa->device, &iface_index,
 500             sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
 501         if (error) {
 502                 device_printf(self, "could not allocate USB transfers, "
 503                     "err=%s\n", usbd_errstr(error));
 504                 goto detach;
 505         }
 506
 507         RUM_LOCK(sc);
 508         /* retrieve RT2573 rev. no */
 509         for (ntries = 0; ntries < 100; ntries++) {
 510                 if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
 511                         break;
 512                 if (rum_pause(sc, hz / 100))
 513                         break;
 514         }
 515         if (ntries == 100) {
 516                 device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
 517                 RUM_UNLOCK(sc);
 518                 goto detach;
 519         }
 520
 521         /* retrieve MAC address and various other things from EEPROM */
 522         rum_read_eeprom(sc);
 523
 524         device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
 525             tmp, rum_get_rf(sc->rf_rev));
 526
 527         rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
 528         RUM_UNLOCK(sc);
 529
 530         ic->ic_softc = sc;
 531         ic->ic_name = device_get_nameunit(self);
 532         ic->ic_phytype = IEEE80211_T_OFDM;      /* not only, but not used */
 533
 534         /* set device capabilities */
 535         ic->ic_caps =
 536               IEEE80211_C_STA           /* station mode supported */
 537             | IEEE80211_C_IBSS          /* IBSS mode supported */
 538             | IEEE80211_C_MONITOR       /* monitor mode supported */
 539             | IEEE80211_C_HOSTAP        /* HostAp mode supported */
 540             | IEEE80211_C_AHDEMO        /* adhoc demo mode */
 541             | IEEE80211_C_TXPMGT        /* tx power management */
 542             | IEEE80211_C_SHPREAMBLE    /* short preamble supported */
 543             | IEEE80211_C_SHSLOT        /* short slot time supported */
 544             | IEEE80211_C_BGSCAN        /* bg scanning supported */
 545             | IEEE80211_C_WPA           /* 802.11i */
 546             | IEEE80211_C_WME           /* 802.11e */
 547             | IEEE80211_C_PMGT          /* Station-side power mgmt */
 548             | IEEE80211_C_SWSLEEP       /* net80211 managed power mgmt */
 549             ;
 550
 551         ic->ic_cryptocaps =
 552             IEEE80211_CRYPTO_WEP |
 553             IEEE80211_CRYPTO_AES_CCM |
 554             IEEE80211_CRYPTO_TKIPMIC |
 555             IEEE80211_CRYPTO_TKIP;
 556
 557         rum_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
 558             ic->ic_channels);
 559
 560         ieee80211_ifattach(ic);
 561         ic->ic_update_promisc = rum_update_promisc;
 562         ic->ic_raw_xmit = rum_raw_xmit;
 563         ic->ic_scan_start = rum_scan_start;
 564         ic->ic_scan_end = rum_scan_end;
 565         ic->ic_set_channel = rum_set_channel;
 566         ic->ic_getradiocaps = rum_getradiocaps;
 567         ic->ic_transmit = rum_transmit;
 568         ic->ic_parent = rum_parent;
 569         ic->ic_vap_create = rum_vap_create;
 570         ic->ic_vap_delete = rum_vap_delete;
 571         ic->ic_updateslot = rum_update_slot;
 572         ic->ic_wme.wme_update = rum_wme_update;
 573         ic->ic_update_mcast = rum_update_mcast;
 574
 575         ieee80211_radiotap_attach(ic,
 576             &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
 577                 RT2573_TX_RADIOTAP_PRESENT,
 578             &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
 579                 RT2573_RX_RADIOTAP_PRESENT);
 580
 581         TASK_INIT(&sc->cmdq_task, 0, rum_cmdq_cb, sc);
 582
 583         if (bootverbose)
 584                 ieee80211_announce(ic);
 585
 586         return (0);
 587
 588 detach:
 589         rum_detach(self);
 590         return (ENXIO);                 /* failure */
 591 }
 592
 593 static int
 594 rum_detach(device_t self)
 595 {
 596         struct rum_softc *sc = device_get_softc(self);
 597         struct ieee80211com *ic = &sc->sc_ic;
 598
 599         /* Prevent further ioctls */
 600         RUM_LOCK(sc);
 601         sc->sc_detached = 1;
 602         RUM_UNLOCK(sc);
 603
 604         /* stop all USB transfers */
 605         usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
 606
 607         /* free TX list, if any */
 608         RUM_LOCK(sc);
 609         rum_unsetup_tx_list(sc);
 610         RUM_UNLOCK(sc);
 611
 612         if (ic->ic_softc == sc) {
 613                 ieee80211_draintask(ic, &sc->cmdq_task);
 614                 ieee80211_ifdetach(ic);
 615         }
 616
 617         mbufq_drain(&sc->sc_snd);
 618         RUM_CMDQ_LOCK_DESTROY(sc);
 619         RUM_LOCK_DESTROY(sc);
 620
 621         return (0);
 622 }
 623
 624 static usb_error_t
 625 rum_do_request(struct rum_softc *sc,
 626     struct usb_device_request *req, void *data)
 627 {
 628         usb_error_t err;
 629         int ntries = 10;
 630
 631         while (ntries--) {
 632                 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
 633                     req, data, 0, NULL, 250 /* ms */);
 634                 if (err == 0)
 635                         break;
 636
 637                 DPRINTFN(1, "Control request failed, %s (retrying)\n",
 638                     usbd_errstr(err));
 639                 if (rum_pause(sc, hz / 100))
 640                         break;
 641         }
 642         return (err);
 643 }
 644
 645 static usb_error_t
 646 rum_do_mcu_request(struct rum_softc *sc, int request)
 647 {
 648         struct usb_device_request req;
 649
 650         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 651         req.bRequest = RT2573_MCU_CNTL;
 652         USETW(req.wValue, request);
 653         USETW(req.wIndex, 0);
 654         USETW(req.wLength, 0);
 655
 656         return (rum_do_request(sc, &req, NULL));
 657 }
 658
 659 static struct ieee80211vap *
 660 rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
 661     enum ieee80211_opmode opmode, int flags,
 662     const uint8_t bssid[IEEE80211_ADDR_LEN],
 663     const uint8_t mac[IEEE80211_ADDR_LEN])
 664 {
 665         struct rum_softc *sc = ic->ic_softc;
 666         struct rum_vap *rvp;
 667         struct ieee80211vap *vap;
 668
 669         if (!TAILQ_EMPTY(&ic->ic_vaps))         /* only one at a time */
 670                 return NULL;
 671         rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO);
 672         vap = &rvp->vap;
 673         /* enable s/w bmiss handling for sta mode */
 674
 675         if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
 676             flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
 677                 /* out of memory */
 678                 free(rvp, M_80211_VAP);
 679                 return (NULL);
 680         }
 681
 682         /* override state transition machine */
 683         rvp->newstate = vap->iv_newstate;
 684         vap->iv_newstate = rum_newstate;
 685         vap->iv_key_alloc = rum_key_alloc;
 686         vap->iv_key_set = rum_key_set;
 687         vap->iv_key_delete = rum_key_delete;
 688         vap->iv_update_beacon = rum_update_beacon;
 689         vap->iv_reset = rum_reset;
 690         vap->iv_max_aid = RT2573_ADDR_MAX;
 691
 692         if (opmode == IEEE80211_M_STA) {
 693                 /*
 694                  * Move device to the sleep state when
 695                  * beacon is received and there is no data for us.
 696                  *
 697                  * Used only for IEEE80211_S_SLEEP state.
 698                  */
 699                 rvp->recv_mgmt = vap->iv_recv_mgmt;
 700                 vap->iv_recv_mgmt = rum_sta_recv_mgmt;
 701
 702                 /* Ignored while sleeping. */
 703                 rvp->bmiss = vap->iv_bmiss;
 704                 vap->iv_bmiss = rum_beacon_miss;
 705         }
 706
 707         usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
 708         TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
 709         ieee80211_ratectl_init(vap);
 710         ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
 711         /* complete setup */
 712         ieee80211_vap_attach(vap, ieee80211_media_change,
 713             ieee80211_media_status, mac);
 714         ic->ic_opmode = opmode;
 715         return vap;
 716 }
 717
 718 static void
 719 rum_vap_delete(struct ieee80211vap *vap)
 720 {
 721         struct rum_vap *rvp = RUM_VAP(vap);
 722         struct ieee80211com *ic = vap->iv_ic;
 723         struct rum_softc *sc = ic->ic_softc;
 724
 725         /* Put vap into INIT state. */
 726         ieee80211_new_state(vap, IEEE80211_S_INIT, -1);
 727         ieee80211_draintask(ic, &vap->iv_nstate_task);
 728
 729         RUM_LOCK(sc);
 730         /* Cancel any unfinished Tx. */
 731         rum_reset_tx_list(sc, vap);
 732         RUM_UNLOCK(sc);
 733
 734         usb_callout_drain(&rvp->ratectl_ch);
 735         ieee80211_draintask(ic, &rvp->ratectl_task);
 736         ieee80211_ratectl_deinit(vap);
 737         ieee80211_vap_detach(vap);
 738         m_freem(rvp->bcn_mbuf);
 739         free(rvp, M_80211_VAP);
 740 }
 741
 742 static void
 743 rum_cmdq_cb(void *arg, int pending)
 744 {
 745         struct rum_softc *sc = arg;
 746         struct rum_cmdq *rc;
 747
 748         RUM_CMDQ_LOCK(sc);
 749         while (sc->cmdq[sc->cmdq_first].func != NULL) {
 750                 rc = &sc->cmdq[sc->cmdq_first];
 751                 RUM_CMDQ_UNLOCK(sc);
 752
 753                 RUM_LOCK(sc);
 754                 rc->func(sc, &rc->data, rc->rvp_id);
 755                 RUM_UNLOCK(sc);
 756
 757                 RUM_CMDQ_LOCK(sc);
 758                 memset(rc, 0, sizeof (*rc));
 759                 sc->cmdq_first = (sc->cmdq_first + 1) % RUM_CMDQ_SIZE;
 760         }
 761         RUM_CMDQ_UNLOCK(sc);
 762 }
 763
 764 static int
 765 rum_cmd_sleepable(struct rum_softc *sc, const void *ptr, size_t len,
 766     uint8_t rvp_id, CMD_FUNC_PROTO)
 767 {
 768         struct ieee80211com *ic = &sc->sc_ic;
 769
 770         KASSERT(len <= sizeof(union sec_param), ("buffer overflow"));
 771
 772         RUM_CMDQ_LOCK(sc);
 773         if (sc->cmdq[sc->cmdq_last].func != NULL) {
 774                 device_printf(sc->sc_dev, "%s: cmdq overflow\n", __func__);
 775                 RUM_CMDQ_UNLOCK(sc);
 776
 777                 return EAGAIN;
 778         }
 779
 780         if (ptr != NULL)
 781                 memcpy(&sc->cmdq[sc->cmdq_last].data, ptr, len);
 782         sc->cmdq[sc->cmdq_last].rvp_id = rvp_id;
 783         sc->cmdq[sc->cmdq_last].func = func;
 784         sc->cmdq_last = (sc->cmdq_last + 1) % RUM_CMDQ_SIZE;
 785         RUM_CMDQ_UNLOCK(sc);
 786
 787         ieee80211_runtask(ic, &sc->cmdq_task);
 788
 789         return 0;
 790 }
 791
 792 static void
 793 rum_tx_free(struct rum_tx_data *data, int txerr)
 794 {
 795         struct rum_softc *sc = data->sc;
 796
 797         if (data->m != NULL) {
 798                 ieee80211_tx_complete(data->ni, data->m, txerr);
 799                 data->m = NULL;
 800                 data->ni = NULL;
 801         }
 802         STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
 803         sc->tx_nfree++;
 804 }
 805
 806 static void
 807 rum_setup_tx_list(struct rum_softc *sc)
 808 {
 809         struct rum_tx_data *data;
 810         int i;
 811
 812         sc->tx_nfree = 0;
 813         STAILQ_INIT(&sc->tx_q);
 814         STAILQ_INIT(&sc->tx_free);
 815
 816         for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
 817                 data = &sc->tx_data[i];
 818
 819                 data->sc = sc;
 820                 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
 821                 sc->tx_nfree++;
 822         }
 823 }
 824
 825 static void
 826 rum_reset_tx_list(struct rum_softc *sc, struct ieee80211vap *vap)
 827 {
 828         struct rum_tx_data *data, *tmp;
 829
 830         KASSERT(vap != NULL, ("%s: vap is NULL\n", __func__));
 831
 832         STAILQ_FOREACH_SAFE(data, &sc->tx_q, next, tmp) {
 833                 if (data->ni != NULL && data->ni->ni_vap == vap) {
 834                         ieee80211_free_node(data->ni);
 835                         data->ni = NULL;
 836
 837                         KASSERT(data->m != NULL, ("%s: m is NULL\n",
 838                             __func__));
 839                         m_freem(data->m);
 840                         data->m = NULL;
 841
 842                         STAILQ_REMOVE(&sc->tx_q, data, rum_tx_data, next);
 843                         STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
 844                         sc->tx_nfree++;
 845                 }
 846         }
 847 }
 848
 849 static void
 850 rum_unsetup_tx_list(struct rum_softc *sc)
 851 {
 852         struct rum_tx_data *data;
 853         int i;
 854
 855         /* make sure any subsequent use of the queues will fail */
 856         sc->tx_nfree = 0;
 857         STAILQ_INIT(&sc->tx_q);
 858         STAILQ_INIT(&sc->tx_free);
 859
 860         /* free up all node references and mbufs */
 861         for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
 862                 data = &sc->tx_data[i];
 863
 864                 if (data->m != NULL) {
 865                         m_freem(data->m);
 866                         data->m = NULL;
 867                 }
 868                 if (data->ni != NULL) {
 869                         ieee80211_free_node(data->ni);
 870                         data->ni = NULL;
 871                 }
 872         }
 873 }
 874
 875 static void
 876 rum_beacon_miss(struct ieee80211vap *vap)
 877 {
 878         struct ieee80211com *ic = vap->iv_ic;
 879         struct rum_softc *sc = ic->ic_softc;
 880         struct rum_vap *rvp = RUM_VAP(vap);
 881         int sleep;
 882
 883         RUM_LOCK(sc);
 884         if (sc->sc_sleeping && sc->sc_sleep_end < ticks) {
 885                 DPRINTFN(12, "dropping 'sleeping' bit, "
 886                     "device must be awake now\n");
 887
 888                 sc->sc_sleeping = 0;
 889         }
 890
 891         sleep = sc->sc_sleeping;
 892         RUM_UNLOCK(sc);
 893
 894         if (!sleep)
 895                 rvp->bmiss(vap);
 896 #ifdef USB_DEBUG
 897         else
 898                 DPRINTFN(13, "bmiss event is ignored whilst sleeping\n");
 899 #endif
 900 }
 901
 902 static void
 903 rum_sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype,
 904     const struct ieee80211_rx_stats *rxs,
 905     int rssi, int nf)
 906 {
 907         struct ieee80211vap *vap = ni->ni_vap;
 908         struct rum_softc *sc = vap->iv_ic->ic_softc;
 909         struct rum_vap *rvp = RUM_VAP(vap);
 910
 911         if (vap->iv_state == IEEE80211_S_SLEEP &&
 912             subtype == IEEE80211_FC0_SUBTYPE_BEACON) {
 913                 RUM_LOCK(sc);
 914                 DPRINTFN(12, "beacon, mybss %d (flags %02X)\n",
 915                     !!(sc->last_rx_flags & RT2573_RX_MYBSS),
 916                     sc->last_rx_flags);
 917
 918                 if ((sc->last_rx_flags & (RT2573_RX_MYBSS | RT2573_RX_BC)) ==
 919                     (RT2573_RX_MYBSS | RT2573_RX_BC)) {
 920                         /*
 921                          * Put it to sleep here; in case if there is a data
 922                          * for us, iv_recv_mgmt() will wakeup the device via
 923                          * SLEEP -> RUN state transition.
 924                          */
 925                         rum_set_power_state(sc, 1);
 926                 }
 927                 RUM_UNLOCK(sc);
 928         }
 929
 930         rvp->recv_mgmt(ni, m, subtype, rxs, rssi, nf);
 931 }
 932
 933 static int
 934 rum_set_power_state(struct rum_softc *sc, int sleep)
 935 {
 936         usb_error_t uerror;
 937
 938         RUM_LOCK_ASSERT(sc);
 939
 940         DPRINTFN(12, "moving to %s state (sleep time %u)\n",
 941             sleep ? "sleep" : "awake", sc->sc_sleep_time);
 942
 943         uerror = rum_do_mcu_request(sc,
 944             sleep ? RT2573_MCU_SLEEP : RT2573_MCU_WAKEUP);
 945         if (uerror != USB_ERR_NORMAL_COMPLETION) {
 946                 device_printf(sc->sc_dev,
 947                     "%s: could not change power state: %s\n",
 948                     __func__, usbd_errstr(uerror));
 949                 return (EIO);
 950         }
 951
 952         sc->sc_sleeping = !!sleep;
 953         sc->sc_sleep_end = sleep ? ticks + sc->sc_sleep_time : 0;
 954
 955         return (0);
 956 }
 957
 958 static int
 959 rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
 960 {
 961         struct rum_vap *rvp = RUM_VAP(vap);
 962         struct ieee80211com *ic = vap->iv_ic;
 963         struct rum_softc *sc = ic->ic_softc;
 964         const struct ieee80211_txparam *tp;
 965         enum ieee80211_state ostate;
 966         struct ieee80211_node *ni;
 967         usb_error_t uerror;
 968         int ret = 0;
 969
 970         ostate = vap->iv_state;
 971         DPRINTF("%s -> %s\n",
 972                 ieee80211_state_name[ostate],
 973                 ieee80211_state_name[nstate]);
 974
 975         IEEE80211_UNLOCK(ic);
 976         RUM_LOCK(sc);
 977         usb_callout_stop(&rvp->ratectl_ch);
 978
 979         if (ostate == IEEE80211_S_SLEEP && vap->iv_opmode == IEEE80211_M_STA) {
 980                 rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_ACKCTS_PWRMGT);
 981                 rum_clrbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
 982
 983                 /*
 984                  * Ignore any errors;
 985                  * any subsequent TX will wakeup it anyway
 986                  */
 987                 (void) rum_set_power_state(sc, 0);
 988         }
 989
 990         switch (nstate) {
 991         case IEEE80211_S_INIT:
 992                 if (ostate == IEEE80211_S_RUN)
 993                         rum_abort_tsf_sync(sc);
 994
 995                 break;
 996
 997         case IEEE80211_S_RUN:
 998                 if (ostate == IEEE80211_S_SLEEP)
 999                         break;          /* already handled */
1000
1001                 ni = ieee80211_ref_node(vap->iv_bss);
1002
1003                 if (vap->iv_opmode != IEEE80211_M_MONITOR) {
1004                         if (ic->ic_bsschan == IEEE80211_CHAN_ANYC ||
1005                             ni->ni_chan == IEEE80211_CHAN_ANYC) {
1006                                 ret = EINVAL;
1007                                 goto run_fail;
1008                         }
1009                         rum_update_slot_cb(sc, NULL, 0);
1010                         rum_enable_mrr(sc);
1011                         rum_set_txpreamble(sc);
1012                         rum_set_basicrates(sc);
1013                         rum_set_maxretry(sc, vap);
1014                         IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
1015                         rum_set_bssid(sc, sc->sc_bssid);
1016                 }
1017
1018                 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1019                     vap->iv_opmode == IEEE80211_M_IBSS) {
1020                         if ((ret = rum_alloc_beacon(sc, vap)) != 0)
1021                                 goto run_fail;
1022                 }
1023
1024                 if (vap->iv_opmode != IEEE80211_M_MONITOR &&
1025                     vap->iv_opmode != IEEE80211_M_AHDEMO) {
1026                         if ((ret = rum_enable_tsf_sync(sc)) != 0)
1027                                 goto run_fail;
1028                 } else
1029                         rum_enable_tsf(sc);
1030
1031                 /* enable automatic rate adaptation */
1032                 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1033                 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
1034                         rum_ratectl_start(sc, ni);
1035 run_fail:
1036                 ieee80211_free_node(ni);
1037                 break;
1038         case IEEE80211_S_SLEEP:
1039                 /* Implemented for STA mode only. */
1040                 if (vap->iv_opmode != IEEE80211_M_STA)
1041                         break;
1042
1043                 uerror = rum_setbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
1044                 if (uerror != USB_ERR_NORMAL_COMPLETION) {
1045                         ret = EIO;
1046                         break;
1047                 }
1048
1049                 uerror = rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_ACKCTS_PWRMGT);
1050                 if (uerror != USB_ERR_NORMAL_COMPLETION) {
1051                         ret = EIO;
1052                         break;
1053                 }
1054
1055                 ret = rum_set_power_state(sc, 1);
1056                 if (ret != 0) {
1057                         device_printf(sc->sc_dev,
1058                             "%s: could not move to the SLEEP state: %s\n",
1059                             __func__, usbd_errstr(uerror));
1060                 }
1061                 break;
1062         default:
1063                 break;
1064         }
1065         RUM_UNLOCK(sc);
1066         IEEE80211_LOCK(ic);
1067         return (ret == 0 ? rvp->newstate(vap, nstate, arg) : ret);
1068 }
1069
1070 static void
1071 rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
1072 {
1073         struct rum_softc *sc = usbd_xfer_softc(xfer);
1074         struct ieee80211vap *vap;
1075         struct rum_tx_data *data;
1076         struct mbuf *m;
1077         struct usb_page_cache *pc;
1078         unsigned int len;
1079         int actlen, sumlen;
1080
1081         usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
1082
1083         switch (USB_GET_STATE(xfer)) {
1084         case USB_ST_TRANSFERRED:
1085                 DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
1086
1087                 /* free resources */
1088                 data = usbd_xfer_get_priv(xfer);
1089                 rum_tx_free(data, 0);
1090                 usbd_xfer_set_priv(xfer, NULL);
1091
1092                 /* FALLTHROUGH */
1093         case USB_ST_SETUP:
1094 tr_setup:
1095                 data = STAILQ_FIRST(&sc->tx_q);
1096                 if (data) {
1097                         STAILQ_REMOVE_HEAD(&sc->tx_q, next);
1098                         m = data->m;
1099
1100                         if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) {
1101                                 DPRINTFN(0, "data overflow, %u bytes\n",
1102                                     m->m_pkthdr.len);
1103                                 m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
1104                         }
1105                         pc = usbd_xfer_get_frame(xfer, 0);
1106                         usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
1107                         usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
1108                             m->m_pkthdr.len);
1109
1110                         vap = data->ni->ni_vap;
1111                         if (ieee80211_radiotap_active_vap(vap)) {
1112                                 struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
1113
1114                                 tap->wt_flags = 0;
1115                                 tap->wt_rate = data->rate;
1116                                 tap->wt_antenna = sc->tx_ant;
1117
1118                                 ieee80211_radiotap_tx(vap, m);
1119                         }
1120
1121                         /* align end on a 4-bytes boundary */
1122                         len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
1123                         if ((len % 64) == 0)
1124                                 len += 4;
1125
1126                         DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
1127                             m->m_pkthdr.len, len);
1128
1129                         usbd_xfer_set_frame_len(xfer, 0, len);
1130                         usbd_xfer_set_priv(xfer, data);
1131
1132                         usbd_transfer_submit(xfer);
1133                 }
1134                 rum_start(sc);
1135                 break;
1136
1137         default:                        /* Error */
1138                 DPRINTFN(11, "transfer error, %s\n",
1139                     usbd_errstr(error));
1140
1141                 counter_u64_add(sc->sc_ic.ic_oerrors, 1);
1142                 data = usbd_xfer_get_priv(xfer);
1143                 if (data != NULL) {
1144                         rum_tx_free(data, error);
1145                         usbd_xfer_set_priv(xfer, NULL);
1146                 }
1147
1148                 if (error != USB_ERR_CANCELLED) {
1149                         if (error == USB_ERR_TIMEOUT)
1150                                 device_printf(sc->sc_dev, "device timeout\n");
1151
1152                         /*
1153                          * Try to clear stall first, also if other
1154                          * errors occur, hence clearing stall
1155                          * introduces a 50 ms delay:
1156                          */
1157                         usbd_xfer_set_stall(xfer);
1158                         goto tr_setup;
1159                 }
1160                 break;
1161         }
1162 }
1163
1164 static void
1165 rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
1166 {
1167         struct rum_softc *sc = usbd_xfer_softc(xfer);
1168         struct ieee80211com *ic = &sc->sc_ic;
1169         struct ieee80211_frame_min *wh;
1170         struct ieee80211_node *ni;
1171         struct mbuf *m = NULL;
1172         struct usb_page_cache *pc;
1173         uint32_t flags;
1174         uint8_t rssi = 0;
1175         int len;
1176
1177         usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
1178
1179         switch (USB_GET_STATE(xfer)) {
1180         case USB_ST_TRANSFERRED:
1181
1182                 DPRINTFN(15, "rx done, actlen=%d\n", len);
1183
1184                 if (len < RT2573_RX_DESC_SIZE) {
1185                         DPRINTF("%s: xfer too short %d\n",
1186                             device_get_nameunit(sc->sc_dev), len);
1187                         counter_u64_add(ic->ic_ierrors, 1);
1188                         goto tr_setup;
1189                 }
1190
1191                 len -= RT2573_RX_DESC_SIZE;
1192                 pc = usbd_xfer_get_frame(xfer, 0);
1193                 usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
1194
1195                 rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
1196                 flags = le32toh(sc->sc_rx_desc.flags);
1197                 sc->last_rx_flags = flags;
1198                 if (len < ((flags >> 16) & 0xfff)) {
1199                         DPRINTFN(5, "%s: frame is truncated from %d to %d "
1200                             "bytes\n", device_get_nameunit(sc->sc_dev),
1201                             (flags >> 16) & 0xfff, len);
1202                         counter_u64_add(ic->ic_ierrors, 1);
1203                         goto tr_setup;
1204                 }
1205                 len = (flags >> 16) & 0xfff;
1206                 if (len < sizeof(struct ieee80211_frame_ack)) {
1207                         DPRINTFN(5, "%s: frame too short %d\n",
1208                             device_get_nameunit(sc->sc_dev), len);
1209                         counter_u64_add(ic->ic_ierrors, 1);
1210                         goto tr_setup;
1211                 }
1212                 if (flags & RT2573_RX_CRC_ERROR) {
1213                         /*
1214                          * This should not happen since we did not
1215                          * request to receive those frames when we
1216                          * filled RUM_TXRX_CSR2:
1217                          */
1218                         DPRINTFN(5, "PHY or CRC error\n");
1219                         counter_u64_add(ic->ic_ierrors, 1);
1220                         goto tr_setup;
1221                 }
1222                 if ((flags & RT2573_RX_DEC_MASK) != RT2573_RX_DEC_OK) {
1223                         switch (flags & RT2573_RX_DEC_MASK) {
1224                         case RT2573_RX_IV_ERROR:
1225                                 DPRINTFN(5, "IV/EIV error\n");
1226                                 break;
1227                         case RT2573_RX_MIC_ERROR:
1228                                 DPRINTFN(5, "MIC error\n");
1229                                 break;
1230                         case RT2573_RX_KEY_ERROR:
1231                                 DPRINTFN(5, "Key error\n");
1232                                 break;
1233                         }
1234                         counter_u64_add(ic->ic_ierrors, 1);
1235                         goto tr_setup;
1236                 }
1237
1238                 m = m_get2(len, M_NOWAIT, MT_DATA, M_PKTHDR);
1239                 if (m == NULL) {
1240                         DPRINTF("could not allocate mbuf\n");
1241                         counter_u64_add(ic->ic_ierrors, 1);
1242                         goto tr_setup;
1243                 }
1244                 usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
1245                     mtod(m, uint8_t *), len);
1246
1247                 wh = mtod(m, struct ieee80211_frame_min *);
1248
1249                 if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) &&
1250                     (flags & RT2573_RX_CIP_MASK) !=
1251                      RT2573_RX_CIP_MODE(RT2573_MODE_NOSEC)) {
1252                         wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
1253                         m->m_flags |= M_WEP;
1254                 }
1255
1256                 /* finalize mbuf */
1257                 m->m_pkthdr.len = m->m_len = len;
1258
1259                 if (ieee80211_radiotap_active(ic)) {
1260                         struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
1261
1262                         tap->wr_flags = 0;
1263                         tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
1264                             (flags & RT2573_RX_OFDM) ?
1265                             IEEE80211_T_OFDM : IEEE80211_T_CCK);
1266                         rum_get_tsf(sc, &tap->wr_tsf);
1267                         tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
1268                         tap->wr_antnoise = RT2573_NOISE_FLOOR;
1269                         tap->wr_antenna = sc->rx_ant;
1270                 }
1271                 /* FALLTHROUGH */
1272         case USB_ST_SETUP:
1273 tr_setup:
1274                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
1275                 usbd_transfer_submit(xfer);
1276
1277                 /*
1278                  * At the end of a USB callback it is always safe to unlock
1279                  * the private mutex of a device! That is why we do the
1280                  * "ieee80211_input" here, and not some lines up!
1281                  */
1282                 RUM_UNLOCK(sc);
1283                 if (m) {
1284                         if (m->m_len >= sizeof(struct ieee80211_frame_min))
1285                                 ni = ieee80211_find_rxnode(ic, wh);
1286                         else
1287                                 ni = NULL;
1288
1289                         if (ni != NULL) {
1290                                 (void) ieee80211_input(ni, m, rssi,
1291                                     RT2573_NOISE_FLOOR);
1292                                 ieee80211_free_node(ni);
1293                         } else
1294                                 (void) ieee80211_input_all(ic, m, rssi,
1295                                     RT2573_NOISE_FLOOR);
1296                 }
1297                 RUM_LOCK(sc);
1298                 rum_start(sc);
1299                 return;
1300
1301         default:                        /* Error */
1302                 if (error != USB_ERR_CANCELLED) {
1303                         /* try to clear stall first */
1304                         usbd_xfer_set_stall(xfer);
1305                         goto tr_setup;
1306                 }
1307                 return;
1308         }
1309 }
1310
1311 static uint8_t
1312 rum_plcp_signal(int rate)
1313 {
1314         switch (rate) {
1315         /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
1316         case 12:        return 0xb;
1317         case 18:        return 0xf;
1318         case 24:        return 0xa;
1319         case 36:        return 0xe;
1320         case 48:        return 0x9;
1321         case 72:        return 0xd;
1322         case 96:        return 0x8;
1323         case 108:       return 0xc;
1324
1325         /* CCK rates (NB: not IEEE std, device-specific) */
1326         case 2:         return 0x0;
1327         case 4:         return 0x1;
1328         case 11:        return 0x2;
1329         case 22:        return 0x3;
1330         }
1331         return 0xff;            /* XXX unsupported/unknown rate */
1332 }
1333
1334 /*
1335  * Map net80211 cipher to RT2573 security mode.
1336  */
1337 static uint8_t
1338 rum_crypto_mode(struct rum_softc *sc, u_int cipher, int keylen)
1339 {
1340         switch (cipher) {
1341         case IEEE80211_CIPHER_WEP:
1342                 return (keylen < 8 ? RT2573_MODE_WEP40 : RT2573_MODE_WEP104);
1343         case IEEE80211_CIPHER_TKIP:
1344                 return RT2573_MODE_TKIP;
1345         case IEEE80211_CIPHER_AES_CCM:
1346                 return RT2573_MODE_AES_CCMP;
1347         default:
1348                 device_printf(sc->sc_dev, "unknown cipher %d\n", cipher);
1349                 return 0;
1350         }
1351 }
1352
1353 static void
1354 rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
1355     struct ieee80211_key *k, uint32_t flags, uint8_t xflags, uint8_t qid,
1356     int hdrlen, int len, int rate)
1357 {
1358         struct ieee80211com *ic = &sc->sc_ic;
1359         struct wmeParams *wmep = &sc->wme_params[qid];
1360         uint16_t plcp_length;
1361         int remainder;
1362
1363         flags |= RT2573_TX_VALID;
1364         flags |= len << 16;
1365
1366         if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
1367                 const struct ieee80211_cipher *cip = k->wk_cipher;
1368
1369                 len += cip->ic_header + cip->ic_trailer + cip->ic_miclen;
1370
1371                 desc->eiv = 0;          /* for WEP */
1372                 cip->ic_setiv(k, (uint8_t *)&desc->iv);
1373         }
1374
1375         /* setup PLCP fields */
1376         desc->plcp_signal  = rum_plcp_signal(rate);
1377         desc->plcp_service = 4;
1378
1379         len += IEEE80211_CRC_LEN;
1380         if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
1381                 flags |= RT2573_TX_OFDM;
1382
1383                 plcp_length = len & 0xfff;
1384                 desc->plcp_length_hi = plcp_length >> 6;
1385                 desc->plcp_length_lo = plcp_length & 0x3f;
1386         } else {
1387                 if (rate == 0)
1388                         rate = 2;       /* avoid division by zero */
1389                 plcp_length = howmany(16 * len, rate);
1390                 if (rate == 22) {
1391                         remainder = (16 * len) % 22;
1392                         if (remainder != 0 && remainder < 7)
1393                                 desc->plcp_service |= RT2573_PLCP_LENGEXT;
1394                 }
1395                 desc->plcp_length_hi = plcp_length >> 8;
1396                 desc->plcp_length_lo = plcp_length & 0xff;
1397
1398                 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
1399                         desc->plcp_signal |= 0x08;
1400         }
1401
1402         desc->flags = htole32(flags);
1403         desc->hdrlen = hdrlen;
1404         desc->xflags = xflags;
1405
1406         desc->wme = htole16(RT2573_QID(qid) |
1407             RT2573_AIFSN(wmep->wmep_aifsn) |
1408             RT2573_LOGCWMIN(wmep->wmep_logcwmin) |
1409             RT2573_LOGCWMAX(wmep->wmep_logcwmax));
1410 }
1411
1412 static int
1413 rum_sendprot(struct rum_softc *sc,
1414     const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
1415 {
1416         struct ieee80211com *ic = ni->ni_ic;
1417         struct rum_tx_data *data;
1418         struct mbuf *mprot;
1419         int protrate, flags;
1420
1421         RUM_LOCK_ASSERT(sc);
1422
1423         mprot = ieee80211_alloc_prot(ni, m, rate, prot);
1424         if (mprot == NULL) {
1425                 if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1);
1426                 device_printf(sc->sc_dev,
1427                     "could not allocate mbuf for protection mode %d\n", prot);
1428                 return (ENOBUFS);
1429         }
1430
1431         protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
1432         flags = 0;
1433         if (prot == IEEE80211_PROT_RTSCTS)
1434                 flags |= RT2573_TX_NEED_ACK;
1435
1436         data = STAILQ_FIRST(&sc->tx_free);
1437         STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1438         sc->tx_nfree--;
1439
1440         data->m = mprot;
1441         data->ni = ieee80211_ref_node(ni);
1442         data->rate = protrate;
1443         rum_setup_tx_desc(sc, &data->desc, NULL, flags, 0, 0, 0,
1444             mprot->m_pkthdr.len, protrate);
1445
1446         STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1447         usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1448
1449         return 0;
1450 }
1451
1452 static uint32_t
1453 rum_tx_crypto_flags(struct rum_softc *sc, struct ieee80211_node *ni,
1454     const struct ieee80211_key *k)
1455 {
1456         struct ieee80211vap *vap = ni->ni_vap;
1457         u_int cipher;
1458         uint32_t flags = 0;
1459         uint8_t mode, pos;
1460
1461         if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
1462                 cipher = k->wk_cipher->ic_cipher;
1463                 pos = k->wk_keyix;
1464                 mode = rum_crypto_mode(sc, cipher, k->wk_keylen);
1465                 if (mode == 0)
1466                         return 0;
1467
1468                 flags |= RT2573_TX_CIP_MODE(mode);
1469
1470                 /* Do not trust GROUP flag */
1471                 if (!(k >= &vap->iv_nw_keys[0] &&
1472                       k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]))
1473                         flags |= RT2573_TX_KEY_PAIR;
1474                 else
1475                         pos += 0 * RT2573_SKEY_MAX;     /* vap id */
1476
1477                 flags |= RT2573_TX_KEY_ID(pos);
1478
1479                 if (cipher == IEEE80211_CIPHER_TKIP)
1480                         flags |= RT2573_TX_TKIPMIC;
1481         }
1482
1483         return flags;
1484 }
1485
1486 static int
1487 rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1488 {
1489         const struct ieee80211_txparam *tp = ni->ni_txparms;
1490         struct ieee80211com *ic = &sc->sc_ic;
1491         struct rum_tx_data *data;
1492         struct ieee80211_frame *wh;
1493         struct ieee80211_key *k = NULL;
1494         uint32_t flags = 0;
1495         uint16_t dur;
1496         uint8_t ac, type, xflags = 0;
1497         int hdrlen;
1498
1499         RUM_LOCK_ASSERT(sc);
1500
1501         data = STAILQ_FIRST(&sc->tx_free);
1502         STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1503         sc->tx_nfree--;
1504
1505         wh = mtod(m0, struct ieee80211_frame *);
1506         type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
1507         hdrlen = ieee80211_anyhdrsize(wh);
1508         ac = M_WME_GETAC(m0);
1509
1510         if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
1511                 k = ieee80211_crypto_get_txkey(ni, m0);
1512                 if (k == NULL)
1513                         return (ENOENT);
1514
1515                 if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) &&
1516                     !k->wk_cipher->ic_encap(k, m0))
1517                         return (ENOBUFS);
1518
1519                 wh = mtod(m0, struct ieee80211_frame *);
1520         }
1521
1522         if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1523                 flags |= RT2573_TX_NEED_ACK;
1524
1525                 dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
1526                     ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1527                 USETW(wh->i_dur, dur);
1528
1529                 /* tell hardware to add timestamp for probe responses */
1530                 if (type == IEEE80211_FC0_TYPE_MGT &&
1531                     (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
1532                     IEEE80211_FC0_SUBTYPE_PROBE_RESP)
1533                         flags |= RT2573_TX_TIMESTAMP;
1534         }
1535
1536         if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
1537                 xflags |= RT2573_TX_HWSEQ;
1538
1539         if (k != NULL)
1540                 flags |= rum_tx_crypto_flags(sc, ni, k);
1541
1542         data->m = m0;
1543         data->ni = ni;
1544         data->rate = tp->mgmtrate;
1545
1546         rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, ac, hdrlen,
1547             m0->m_pkthdr.len, tp->mgmtrate);
1548
1549         DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
1550             m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
1551
1552         STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1553         usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1554
1555         return (0);
1556 }
1557
1558 static int
1559 rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
1560     const struct ieee80211_bpf_params *params)
1561 {
1562         struct ieee80211com *ic = ni->ni_ic;
1563         struct ieee80211_frame *wh;
1564         struct rum_tx_data *data;
1565         uint32_t flags;
1566         uint8_t ac, type, xflags = 0;
1567         int rate, error;
1568
1569         RUM_LOCK_ASSERT(sc);
1570
1571         wh = mtod(m0, struct ieee80211_frame *);
1572         type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
1573
1574         ac = params->ibp_pri & 3;
1575
1576         rate = params->ibp_rate0;
1577         if (!ieee80211_isratevalid(ic->ic_rt, rate))
1578                 return (EINVAL);
1579
1580         flags = 0;
1581         if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
1582                 flags |= RT2573_TX_NEED_ACK;
1583         if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
1584                 error = rum_sendprot(sc, m0, ni,
1585                     params->ibp_flags & IEEE80211_BPF_RTS ?
1586                          IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
1587                     rate);
1588                 if (error || sc->tx_nfree == 0)
1589                         return (ENOBUFS);
1590
1591                 flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1592         }
1593
1594         if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
1595                 xflags |= RT2573_TX_HWSEQ;
1596
1597         data = STAILQ_FIRST(&sc->tx_free);
1598         STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1599         sc->tx_nfree--;
1600
1601         data->m = m0;
1602         data->ni = ni;
1603         data->rate = rate;
1604
1605         /* XXX need to setup descriptor ourself */
1606         rum_setup_tx_desc(sc, &data->desc, NULL, flags, xflags, ac, 0,
1607             m0->m_pkthdr.len, rate);
1608
1609         DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
1610             m0->m_pkthdr.len, rate);
1611
1612         STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1613         usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1614
1615         return 0;
1616 }
1617
1618 static int
1619 rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1620 {
1621         struct ieee80211vap *vap = ni->ni_vap;
1622         struct ieee80211com *ic = &sc->sc_ic;
1623         struct rum_tx_data *data;
1624         struct ieee80211_frame *wh;
1625         const struct ieee80211_txparam *tp = ni->ni_txparms;
1626         struct ieee80211_key *k = NULL;
1627         uint32_t flags = 0;
1628         uint16_t dur;
1629         uint8_t ac, type, qos, xflags = 0;
1630         int error, hdrlen, rate;
1631
1632         RUM_LOCK_ASSERT(sc);
1633
1634         wh = mtod(m0, struct ieee80211_frame *);
1635         type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
1636         hdrlen = ieee80211_anyhdrsize(wh);
1637
1638         if (IEEE80211_QOS_HAS_SEQ(wh))
1639                 qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
1640         else
1641                 qos = 0;
1642         ac = M_WME_GETAC(m0);
1643
1644         if (m0->m_flags & M_EAPOL)
1645                 rate = tp->mgmtrate;
1646         else if (IEEE80211_IS_MULTICAST(wh->i_addr1))
1647                 rate = tp->mcastrate;
1648         else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
1649                 rate = tp->ucastrate;
1650         else {
1651                 (void) ieee80211_ratectl_rate(ni, NULL, 0);
1652                 rate = ni->ni_txrate;
1653         }
1654
1655         if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
1656                 k = ieee80211_crypto_get_txkey(ni, m0);
1657                 if (k == NULL) {
1658                         m_freem(m0);
1659                         return (ENOENT);
1660                 }
1661                 if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) &&
1662                     !k->wk_cipher->ic_encap(k, m0)) {
1663                         m_freem(m0);
1664                         return (ENOBUFS);
1665                 }
1666
1667                 /* packet header may have moved, reset our local pointer */
1668                 wh = mtod(m0, struct ieee80211_frame *);
1669         }
1670
1671         if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
1672                 xflags |= RT2573_TX_HWSEQ;
1673
1674         if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1675                 int prot = IEEE80211_PROT_NONE;
1676                 if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
1677                         prot = IEEE80211_PROT_RTSCTS;
1678                 else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
1679                     ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
1680                         prot = ic->ic_protmode;
1681                 if (prot != IEEE80211_PROT_NONE) {
1682                         error = rum_sendprot(sc, m0, ni, prot, rate);
1683                         if (error || sc->tx_nfree == 0) {
1684                                 m_freem(m0);
1685                                 return ENOBUFS;
1686                         }
1687                         flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
1688                 }
1689         }
1690
1691         if (k != NULL)
1692                 flags |= rum_tx_crypto_flags(sc, ni, k);
1693
1694         data = STAILQ_FIRST(&sc->tx_free);
1695         STAILQ_REMOVE_HEAD(&sc->tx_free, next);
1696         sc->tx_nfree--;
1697
1698         data->m = m0;
1699         data->ni = ni;
1700         data->rate = rate;
1701
1702         if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
1703                 /* Unicast frame, check if an ACK is expected. */
1704                 if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) !=
1705                     IEEE80211_QOS_ACKPOLICY_NOACK)
1706                         flags |= RT2573_TX_NEED_ACK;
1707
1708                 dur = ieee80211_ack_duration(ic->ic_rt, rate,
1709                     ic->ic_flags & IEEE80211_F_SHPREAMBLE);
1710                 USETW(wh->i_dur, dur);
1711         }
1712
1713         rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, ac, hdrlen,
1714             m0->m_pkthdr.len, rate);
1715
1716         DPRINTFN(10, "sending frame len=%d rate=%d\n",
1717             m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
1718
1719         STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1720         usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
1721
1722         return 0;
1723 }
1724
1725 static int
1726 rum_transmit(struct ieee80211com *ic, struct mbuf *m)
1727 {
1728         struct rum_softc *sc = ic->ic_softc;
1729         int error;
1730
1731         RUM_LOCK(sc);
1732         if (!sc->sc_running) {
1733                 RUM_UNLOCK(sc);
1734                 return (ENXIO);
1735         }
1736         error = mbufq_enqueue(&sc->sc_snd, m);
1737         if (error) {
1738                 RUM_UNLOCK(sc);
1739                 return (error);
1740         }
1741         rum_start(sc);
1742         RUM_UNLOCK(sc);
1743
1744         return (0);
1745 }
1746
1747 static void
1748 rum_start(struct rum_softc *sc)
1749 {
1750         struct ieee80211_node *ni;
1751         struct mbuf *m;
1752
1753         RUM_LOCK_ASSERT(sc);
1754
1755         if (!sc->sc_running)
1756                 return;
1757
1758         while (sc->tx_nfree >= RUM_TX_MINFREE &&
1759             (m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
1760                 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1761                 if (rum_tx_data(sc, m, ni) != 0) {
1762                         if_inc_counter(ni->ni_vap->iv_ifp,
1763                             IFCOUNTER_OERRORS, 1);
1764                         ieee80211_free_node(ni);
1765                         break;
1766                 }
1767         }
1768 }
1769
1770 static void
1771 rum_parent(struct ieee80211com *ic)
1772 {
1773         struct rum_softc *sc = ic->ic_softc;
1774         struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1775
1776         RUM_LOCK(sc);
1777         if (sc->sc_detached) {
1778                 RUM_UNLOCK(sc);
1779                 return;
1780         }
1781         RUM_UNLOCK(sc);
1782
1783         if (ic->ic_nrunning > 0) {
1784                 if (rum_init(sc) == 0)
1785                         ieee80211_start_all(ic);
1786                 else
1787                         ieee80211_stop(vap);
1788         } else
1789                 rum_stop(sc);
1790 }
1791
1792 static void
1793 rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
1794 {
1795         struct usb_device_request req;
1796         usb_error_t error;
1797
1798         req.bmRequestType = UT_READ_VENDOR_DEVICE;
1799         req.bRequest = RT2573_READ_EEPROM;
1800         USETW(req.wValue, 0);
1801         USETW(req.wIndex, addr);
1802         USETW(req.wLength, len);
1803
1804         error = rum_do_request(sc, &req, buf);
1805         if (error != 0) {
1806                 device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1807                     usbd_errstr(error));
1808         }
1809 }
1810
1811 static uint32_t
1812 rum_read(struct rum_softc *sc, uint16_t reg)
1813 {
1814         uint32_t val;
1815
1816         rum_read_multi(sc, reg, &val, sizeof val);
1817
1818         return le32toh(val);
1819 }
1820
1821 static void
1822 rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
1823 {
1824         struct usb_device_request req;
1825         usb_error_t error;
1826
1827         req.bmRequestType = UT_READ_VENDOR_DEVICE;
1828         req.bRequest = RT2573_READ_MULTI_MAC;
1829         USETW(req.wValue, 0);
1830         USETW(req.wIndex, reg);
1831         USETW(req.wLength, len);
1832
1833         error = rum_do_request(sc, &req, buf);
1834         if (error != 0) {
1835                 device_printf(sc->sc_dev,
1836                     "could not multi read MAC register: %s\n",
1837                     usbd_errstr(error));
1838         }
1839 }
1840
1841 static usb_error_t
1842 rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
1843 {
1844         uint32_t tmp = htole32(val);
1845
1846         return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
1847 }
1848
1849 static usb_error_t
1850 rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
1851 {
1852         struct usb_device_request req;
1853         usb_error_t error;
1854         size_t offset;
1855
1856         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1857         req.bRequest = RT2573_WRITE_MULTI_MAC;
1858         USETW(req.wValue, 0);
1859
1860         /* write at most 64 bytes at a time */
1861         for (offset = 0; offset < len; offset += 64) {
1862                 USETW(req.wIndex, reg + offset);
1863                 USETW(req.wLength, MIN(len - offset, 64));
1864
1865                 error = rum_do_request(sc, &req, (char *)buf + offset);
1866                 if (error != 0) {
1867                         device_printf(sc->sc_dev,
1868                             "could not multi write MAC register: %s\n",
1869                             usbd_errstr(error));
1870                         return (error);
1871                 }
1872         }
1873
1874         return (USB_ERR_NORMAL_COMPLETION);
1875 }
1876
1877 static usb_error_t
1878 rum_setbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
1879 {
1880         return (rum_write(sc, reg, rum_read(sc, reg) | mask));
1881 }
1882
1883 static usb_error_t
1884 rum_clrbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
1885 {
1886         return (rum_write(sc, reg, rum_read(sc, reg) & ~mask));
1887 }
1888
1889 static usb_error_t
1890 rum_modbits(struct rum_softc *sc, uint16_t reg, uint32_t set, uint32_t unset)
1891 {
1892         return (rum_write(sc, reg, (rum_read(sc, reg) & ~unset) | set));
1893 }
1894
1895 static int
1896 rum_bbp_busy(struct rum_softc *sc)
1897 {
1898         int ntries;
1899
1900         for (ntries = 0; ntries < 100; ntries++) {
1901                 if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
1902                         break;
1903                 if (rum_pause(sc, hz / 100))
1904                         break;
1905         }
1906         if (ntries == 100)
1907                 return (ETIMEDOUT);
1908
1909         return (0);
1910 }
1911
1912 static void
1913 rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
1914 {
1915         uint32_t tmp;
1916
1917         DPRINTFN(2, "reg=0x%08x\n", reg);
1918
1919         if (rum_bbp_busy(sc) != 0) {
1920                 device_printf(sc->sc_dev, "could not write to BBP\n");
1921                 return;
1922         }
1923
1924         tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
1925         rum_write(sc, RT2573_PHY_CSR3, tmp);
1926 }
1927
1928 static uint8_t
1929 rum_bbp_read(struct rum_softc *sc, uint8_t reg)
1930 {
1931         uint32_t val;
1932         int ntries;
1933
1934         DPRINTFN(2, "reg=0x%08x\n", reg);
1935
1936         if (rum_bbp_busy(sc) != 0) {
1937                 device_printf(sc->sc_dev, "could not read BBP\n");
1938                 return 0;
1939         }
1940
1941         val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
1942         rum_write(sc, RT2573_PHY_CSR3, val);
1943
1944         for (ntries = 0; ntries < 100; ntries++) {
1945                 val = rum_read(sc, RT2573_PHY_CSR3);
1946                 if (!(val & RT2573_BBP_BUSY))
1947                         return val & 0xff;
1948                 if (rum_pause(sc, hz / 100))
1949                         break;
1950         }
1951
1952         device_printf(sc->sc_dev, "could not read BBP\n");
1953         return 0;
1954 }
1955
1956 static void
1957 rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
1958 {
1959         uint32_t tmp;
1960         int ntries;
1961
1962         for (ntries = 0; ntries < 100; ntries++) {
1963                 if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
1964                         break;
1965                 if (rum_pause(sc, hz / 100))
1966                         break;
1967         }
1968         if (ntries == 100) {
1969                 device_printf(sc->sc_dev, "could not write to RF\n");
1970                 return;
1971         }
1972
1973         tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
1974             (reg & 3);
1975         rum_write(sc, RT2573_PHY_CSR4, tmp);
1976
1977         /* remember last written value in sc */
1978         sc->rf_regs[reg] = val;
1979
1980         DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
1981 }
1982
1983 static void
1984 rum_select_antenna(struct rum_softc *sc)
1985 {
1986         uint8_t bbp4, bbp77;
1987         uint32_t tmp;
1988
1989         bbp4  = rum_bbp_read(sc, 4);
1990         bbp77 = rum_bbp_read(sc, 77);
1991
1992         /* TBD */
1993
1994         /* make sure Rx is disabled before switching antenna */
1995         tmp = rum_read(sc, RT2573_TXRX_CSR0);
1996         rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
1997
1998         rum_bbp_write(sc,  4, bbp4);
1999         rum_bbp_write(sc, 77, bbp77);
2000
2001         rum_write(sc, RT2573_TXRX_CSR0, tmp);
2002 }
2003
2004 /*
2005  * Enable multi-rate retries for frames sent at OFDM rates.
2006  * In 802.11b/g mode, allow fallback to CCK rates.
2007  */
2008 static void
2009 rum_enable_mrr(struct rum_softc *sc)
2010 {
2011         struct ieee80211com *ic = &sc->sc_ic;
2012
2013         if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
2014                 rum_setbits(sc, RT2573_TXRX_CSR4,
2015                     RT2573_MRR_ENABLED | RT2573_MRR_CCK_FALLBACK);
2016         } else {
2017                 rum_modbits(sc, RT2573_TXRX_CSR4,
2018                     RT2573_MRR_ENABLED, RT2573_MRR_CCK_FALLBACK);
2019         }
2020 }
2021
2022 static void
2023 rum_set_txpreamble(struct rum_softc *sc)
2024 {
2025         struct ieee80211com *ic = &sc->sc_ic;
2026
2027         if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2028                 rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
2029         else
2030                 rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
2031 }
2032
2033 static void
2034 rum_set_basicrates(struct rum_softc *sc)
2035 {
2036         struct ieee80211com *ic = &sc->sc_ic;
2037
2038         /* update basic rate set */
2039         if (ic->ic_curmode == IEEE80211_MODE_11B) {
2040                 /* 11b basic rates: 1, 2Mbps */
2041                 rum_write(sc, RT2573_TXRX_CSR5, 0x3);
2042         } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
2043                 /* 11a basic rates: 6, 12, 24Mbps */
2044                 rum_write(sc, RT2573_TXRX_CSR5, 0x150);
2045         } else {
2046                 /* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
2047                 rum_write(sc, RT2573_TXRX_CSR5, 0xf);
2048         }
2049 }
2050
2051 /*
2052  * Reprogram MAC/BBP to switch to a new band.  Values taken from the reference
2053  * driver.
2054  */
2055 static void
2056 rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
2057 {
2058         uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
2059
2060         /* update all BBP registers that depend on the band */
2061         bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
2062         bbp35 = 0x50; bbp97 = 0x48; bbp98  = 0x48;
2063         if (IEEE80211_IS_CHAN_5GHZ(c)) {
2064                 bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
2065                 bbp35 += 0x10; bbp97 += 0x10; bbp98  += 0x10;
2066         }
2067         if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
2068             (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
2069                 bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
2070         }
2071
2072         sc->bbp17 = bbp17;
2073         rum_bbp_write(sc,  17, bbp17);
2074         rum_bbp_write(sc,  96, bbp96);
2075         rum_bbp_write(sc, 104, bbp104);
2076
2077         if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
2078             (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
2079                 rum_bbp_write(sc, 75, 0x80);
2080                 rum_bbp_write(sc, 86, 0x80);
2081                 rum_bbp_write(sc, 88, 0x80);
2082         }
2083
2084         rum_bbp_write(sc, 35, bbp35);
2085         rum_bbp_write(sc, 97, bbp97);
2086         rum_bbp_write(sc, 98, bbp98);
2087
2088         if (IEEE80211_IS_CHAN_2GHZ(c)) {
2089                 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_2GHZ,
2090                     RT2573_PA_PE_5GHZ);
2091         } else {
2092                 rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_5GHZ,
2093                     RT2573_PA_PE_2GHZ);
2094         }
2095 }
2096
2097 static void
2098 rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
2099 {
2100         struct ieee80211com *ic = &sc->sc_ic;
2101         const struct rfprog *rfprog;
2102         uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
2103         int8_t power;
2104         int i, chan;
2105
2106         chan = ieee80211_chan2ieee(ic, c);
2107         if (chan == 0 || chan == IEEE80211_CHAN_ANY)
2108                 return;
2109
2110         /* select the appropriate RF settings based on what EEPROM says */
2111         rfprog = (sc->rf_rev == RT2573_RF_5225 ||
2112                   sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
2113
2114         /* find the settings for this channel (we know it exists) */
2115         for (i = 0; rfprog[i].chan != chan; i++);
2116
2117         power = sc->txpow[i];
2118         if (power < 0) {
2119                 bbp94 += power;
2120                 power = 0;
2121         } else if (power > 31) {
2122                 bbp94 += power - 31;
2123                 power = 31;
2124         }
2125
2126         /*
2127          * If we are switching from the 2GHz band to the 5GHz band or
2128          * vice-versa, BBP registers need to be reprogrammed.
2129          */
2130         if (c->ic_flags != ic->ic_curchan->ic_flags) {
2131                 rum_select_band(sc, c);
2132                 rum_select_antenna(sc);
2133         }
2134         ic->ic_curchan = c;
2135
2136         rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
2137         rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
2138         rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
2139         rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
2140
2141         rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
2142         rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
2143         rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
2144         rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
2145
2146         rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
2147         rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
2148         rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
2149         rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
2150
2151         rum_pause(sc, hz / 100);
2152
2153         /* enable smart mode for MIMO-capable RFs */
2154         bbp3 = rum_bbp_read(sc, 3);
2155
2156         bbp3 &= ~RT2573_SMART_MODE;
2157         if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
2158                 bbp3 |= RT2573_SMART_MODE;
2159
2160         rum_bbp_write(sc, 3, bbp3);
2161
2162         if (bbp94 != RT2573_BBPR94_DEFAULT)
2163                 rum_bbp_write(sc, 94, bbp94);
2164
2165         /* give the chip some extra time to do the switchover */
2166         rum_pause(sc, hz / 100);
2167 }
2168
2169 static void
2170 rum_set_maxretry(struct rum_softc *sc, struct ieee80211vap *vap)
2171 {
2172         struct ieee80211_node *ni = vap->iv_bss;
2173         const struct ieee80211_txparam *tp = ni->ni_txparms;
2174         struct rum_vap *rvp = RUM_VAP(vap);
2175
2176         rvp->maxretry = MIN(tp->maxretry, 0xf);
2177
2178         rum_modbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_RETRY(rvp->maxretry) |
2179             RT2573_LONG_RETRY(rvp->maxretry),
2180             RT2573_SHORT_RETRY_MASK | RT2573_LONG_RETRY_MASK);
2181 }
2182
2183 /*
2184  * Enable TSF synchronization and tell h/w to start sending beacons for IBSS
2185  * and HostAP operating modes.
2186  */
2187 static int
2188 rum_enable_tsf_sync(struct rum_softc *sc)
2189 {
2190         struct ieee80211com *ic = &sc->sc_ic;
2191         struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2192         uint32_t tmp;
2193         uint16_t bintval;
2194
2195         if (vap->iv_opmode != IEEE80211_M_STA) {
2196                 /*
2197                  * Change default 16ms TBTT adjustment to 8ms.
2198                  * Must be done before enabling beacon generation.
2199                  */
2200                 if (rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8) != 0)
2201                         return EIO;
2202         }
2203
2204         tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
2205
2206         /* set beacon interval (in 1/16ms unit) */
2207         bintval = vap->iv_bss->ni_intval;
2208         tmp |= bintval * 16;
2209         tmp |= RT2573_TSF_TIMER_EN | RT2573_TBTT_TIMER_EN;
2210
2211         switch (vap->iv_opmode) {
2212         case IEEE80211_M_STA:
2213                 /*
2214                  * Local TSF is always updated with remote TSF on beacon
2215                  * reception.
2216                  */
2217                 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_STA);
2218                 break;
2219         case IEEE80211_M_IBSS:
2220                 /*
2221                  * Local TSF is updated with remote TSF on beacon reception
2222                  * only if the remote TSF is greater than local TSF.
2223                  */
2224                 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_IBSS);
2225                 tmp |= RT2573_BCN_TX_EN;
2226                 break;
2227         case IEEE80211_M_HOSTAP:
2228                 /* SYNC with nobody */
2229                 tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_HOSTAP);
2230                 tmp |= RT2573_BCN_TX_EN;
2231                 break;
2232         default:
2233                 device_printf(sc->sc_dev,
2234                     "Enabling TSF failed. undefined opmode %d\n",
2235                     vap->iv_opmode);
2236                 return EINVAL;
2237         }
2238
2239         if (rum_write(sc, RT2573_TXRX_CSR9, tmp) != 0)
2240                 return EIO;
2241
2242         /* refresh current sleep time */
2243         return (rum_set_sleep_time(sc, bintval));
2244 }
2245
2246 static void
2247 rum_enable_tsf(struct rum_softc *sc)
2248 {
2249         rum_modbits(sc, RT2573_TXRX_CSR9, RT2573_TSF_TIMER_EN |
2250             RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_DIS), 0x00ffffff);
2251 }
2252
2253 static void
2254 rum_abort_tsf_sync(struct rum_softc *sc)
2255 {
2256         rum_clrbits(sc, RT2573_TXRX_CSR9, 0x00ffffff);
2257 }
2258
2259 static void
2260 rum_get_tsf(struct rum_softc *sc, uint64_t *buf)
2261 {
2262         rum_read_multi(sc, RT2573_TXRX_CSR12, buf, sizeof (*buf));
2263 }
2264
2265 static void
2266 rum_update_slot_cb(struct rum_softc *sc, union sec_param *data, uint8_t rvp_id)
2267 {
2268         struct ieee80211com *ic = &sc->sc_ic;
2269         uint8_t slottime;
2270
2271         slottime = IEEE80211_GET_SLOTTIME(ic);
2272
2273         rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff);
2274
2275         DPRINTF("setting slot time to %uus\n", slottime);
2276 }
2277
2278 static void
2279 rum_update_slot(struct ieee80211com *ic)
2280 {
2281         rum_cmd_sleepable(ic->ic_softc, NULL, 0, 0, rum_update_slot_cb);
2282 }
2283
2284 static int
2285 rum_wme_update(struct ieee80211com *ic)
2286 {
2287         struct chanAccParams chp;
2288         const struct wmeParams *chanp;
2289         struct rum_softc *sc = ic->ic_softc;
2290         int error = 0;
2291
2292         ieee80211_wme_ic_getparams(ic, &chp);
2293         chanp = chp.cap_wmeParams;
2294
2295         RUM_LOCK(sc);
2296         error = rum_write(sc, RT2573_AIFSN_CSR,
2297             chanp[WME_AC_VO].wmep_aifsn  << 12 |
2298             chanp[WME_AC_VI].wmep_aifsn  <<  8 |
2299             chanp[WME_AC_BK].wmep_aifsn  <<  4 |
2300             chanp[WME_AC_BE].wmep_aifsn);
2301         if (error)
2302                 goto print_err;
2303         error = rum_write(sc, RT2573_CWMIN_CSR,
2304             chanp[WME_AC_VO].wmep_logcwmin << 12 |
2305             chanp[WME_AC_VI].wmep_logcwmin <<  8 |
2306             chanp[WME_AC_BK].wmep_logcwmin <<  4 |
2307             chanp[WME_AC_BE].wmep_logcwmin);
2308         if (error)
2309                 goto print_err;
2310         error = rum_write(sc, RT2573_CWMAX_CSR,
2311             chanp[WME_AC_VO].wmep_logcwmax << 12 |
2312             chanp[WME_AC_VI].wmep_logcwmax <<  8 |
2313             chanp[WME_AC_BK].wmep_logcwmax <<  4 |
2314             chanp[WME_AC_BE].wmep_logcwmax);
2315         if (error)
2316                 goto print_err;
2317         error = rum_write(sc, RT2573_TXOP01_CSR,
2318             chanp[WME_AC_BK].wmep_txopLimit << 16 |
2319             chanp[WME_AC_BE].wmep_txopLimit);
2320         if (error)
2321                 goto print_err;
2322         error = rum_write(sc, RT2573_TXOP23_CSR,
2323             chanp[WME_AC_VO].wmep_txopLimit << 16 |
2324             chanp[WME_AC_VI].wmep_txopLimit);
2325         if (error)
2326                 goto print_err;
2327
2328         memcpy(sc->wme_params, chanp, sizeof(*chanp) * WME_NUM_AC);
2329
2330 print_err:
2331         RUM_UNLOCK(sc);
2332         if (error != 0) {
2333                 device_printf(sc->sc_dev, "%s: WME update failed, error %d\n",
2334                     __func__, error);
2335         }
2336
2337         return (error);
2338 }
2339
2340 static void
2341 rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
2342 {
2343
2344         rum_write(sc, RT2573_MAC_CSR4,
2345             bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
2346         rum_write(sc, RT2573_MAC_CSR5,
2347             bssid[4] | bssid[5] << 8 | RT2573_NUM_BSSID_MSK(1));
2348 }
2349
2350 static void
2351 rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
2352 {
2353
2354         rum_write(sc, RT2573_MAC_CSR2,
2355             addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
2356         rum_write(sc, RT2573_MAC_CSR3,
2357             addr[4] | addr[5] << 8 | 0xff << 16);
2358 }
2359
2360 static void
2361 rum_setpromisc(struct rum_softc *sc)
2362 {
2363         struct ieee80211com *ic = &sc->sc_ic;
2364
2365         if (ic->ic_promisc == 0)
2366                 rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
2367         else
2368                 rum_clrbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
2369
2370         DPRINTF("%s promiscuous mode\n", ic->ic_promisc > 0 ?
2371             "entering" : "leaving");
2372 }
2373
2374 static void
2375 rum_update_promisc(struct ieee80211com *ic)
2376 {
2377         struct rum_softc *sc = ic->ic_softc;
2378
2379         RUM_LOCK(sc);
2380         if (sc->sc_running)
2381                 rum_setpromisc(sc);
2382         RUM_UNLOCK(sc);
2383 }
2384
2385 static void
2386 rum_update_mcast(struct ieee80211com *ic)
2387 {
2388         /* Ignore. */
2389 }
2390
2391 static const char *
2392 rum_get_rf(int rev)
2393 {
2394         switch (rev) {
2395         case RT2573_RF_2527:    return "RT2527 (MIMO XR)";
2396         case RT2573_RF_2528:    return "RT2528";
2397         case RT2573_RF_5225:    return "RT5225 (MIMO XR)";
2398         case RT2573_RF_5226:    return "RT5226";
2399         default:                return "unknown";
2400         }
2401 }
2402
2403 static void
2404 rum_read_eeprom(struct rum_softc *sc)
2405 {
2406         uint16_t val;
2407 #ifdef RUM_DEBUG
2408         int i;
2409 #endif
2410
2411         /* read MAC address */
2412         rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6);
2413
2414         rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
2415         val = le16toh(val);
2416         sc->rf_rev =   (val >> 11) & 0x1f;
2417         sc->hw_radio = (val >> 10) & 0x1;
2418         sc->rx_ant =   (val >> 4)  & 0x3;
2419         sc->tx_ant =   (val >> 2)  & 0x3;
2420         sc->nb_ant =   val & 0x3;
2421
2422         DPRINTF("RF revision=%d\n", sc->rf_rev);
2423
2424         rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
2425         val = le16toh(val);
2426         sc->ext_5ghz_lna = (val >> 6) & 0x1;
2427         sc->ext_2ghz_lna = (val >> 4) & 0x1;
2428
2429         DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
2430             sc->ext_2ghz_lna, sc->ext_5ghz_lna);
2431
2432         rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
2433         val = le16toh(val);
2434         if ((val & 0xff) != 0xff)
2435                 sc->rssi_2ghz_corr = (int8_t)(val & 0xff);      /* signed */
2436
2437         /* Only [-10, 10] is valid */
2438         if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
2439                 sc->rssi_2ghz_corr = 0;
2440
2441         rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
2442         val = le16toh(val);
2443         if ((val & 0xff) != 0xff)
2444                 sc->rssi_5ghz_corr = (int8_t)(val & 0xff);      /* signed */
2445
2446         /* Only [-10, 10] is valid */
2447         if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
2448                 sc->rssi_5ghz_corr = 0;
2449
2450         if (sc->ext_2ghz_lna)
2451                 sc->rssi_2ghz_corr -= 14;
2452         if (sc->ext_5ghz_lna)
2453                 sc->rssi_5ghz_corr -= 14;
2454
2455         DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
2456             sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
2457
2458         rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
2459         val = le16toh(val);
2460         if ((val & 0xff) != 0xff)
2461                 sc->rffreq = val & 0xff;
2462
2463         DPRINTF("RF freq=%d\n", sc->rffreq);
2464
2465         /* read Tx power for all a/b/g channels */
2466         rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
2467         /* XXX default Tx power for 802.11a channels */
2468         memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
2469 #ifdef RUM_DEBUG
2470         for (i = 0; i < 14; i++)
2471                 DPRINTF("Channel=%d Tx power=%d\n", i + 1,  sc->txpow[i]);
2472 #endif
2473
2474         /* read default values for BBP registers */
2475         rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
2476 #ifdef RUM_DEBUG
2477         for (i = 0; i < 14; i++) {
2478                 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
2479                         continue;
2480                 DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
2481                     sc->bbp_prom[i].val);
2482         }
2483 #endif
2484 }
2485
2486 static int
2487 rum_bbp_wakeup(struct rum_softc *sc)
2488 {
2489         unsigned int ntries;
2490
2491         for (ntries = 0; ntries < 100; ntries++) {
2492                 if (rum_read(sc, RT2573_MAC_CSR12) & 8)
2493                         break;
2494                 rum_write(sc, RT2573_MAC_CSR12, 4);     /* force wakeup */
2495                 if (rum_pause(sc, hz / 100))
2496                         break;
2497         }
2498         if (ntries == 100) {
2499                 device_printf(sc->sc_dev,
2500                     "timeout waiting for BBP/RF to wakeup\n");
2501                 return (ETIMEDOUT);
2502         }
2503
2504         return (0);
2505 }
2506
2507 static int
2508 rum_bbp_init(struct rum_softc *sc)
2509 {
2510         int i, ntries;
2511
2512         /* wait for BBP to be ready */
2513         for (ntries = 0; ntries < 100; ntries++) {
2514                 const uint8_t val = rum_bbp_read(sc, 0);
2515                 if (val != 0 && val != 0xff)
2516                         break;
2517                 if (rum_pause(sc, hz / 100))
2518                         break;
2519         }
2520         if (ntries == 100) {
2521                 device_printf(sc->sc_dev, "timeout waiting for BBP\n");
2522                 return EIO;
2523         }
2524
2525         /* initialize BBP registers to default values */
2526         for (i = 0; i < nitems(rum_def_bbp); i++)
2527                 rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
2528
2529         /* write vendor-specific BBP values (from EEPROM) */
2530         for (i = 0; i < 16; i++) {
2531                 if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
2532                         continue;
2533                 rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
2534         }
2535
2536         return 0;
2537 }
2538
2539 static void
2540 rum_clr_shkey_regs(struct rum_softc *sc)
2541 {
2542         rum_write(sc, RT2573_SEC_CSR0, 0);
2543         rum_write(sc, RT2573_SEC_CSR1, 0);
2544         rum_write(sc, RT2573_SEC_CSR5, 0);
2545 }
2546
2547 static int
2548 rum_init(struct rum_softc *sc)
2549 {
2550         struct ieee80211com *ic = &sc->sc_ic;
2551         struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2552         uint32_t tmp;
2553         int i, ret;
2554
2555         RUM_LOCK(sc);
2556         if (sc->sc_running) {
2557                 ret = 0;
2558                 goto end;
2559         }
2560
2561         /* initialize MAC registers to default values */
2562         for (i = 0; i < nitems(rum_def_mac); i++)
2563                 rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
2564
2565         /* reset some WME parameters to default values */
2566         sc->wme_params[0].wmep_aifsn = 2;
2567         sc->wme_params[0].wmep_logcwmin = 4;
2568         sc->wme_params[0].wmep_logcwmax = 10;
2569
2570         /* set host ready */
2571         rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP);
2572         rum_write(sc, RT2573_MAC_CSR1, 0);
2573
2574         /* wait for BBP/RF to wakeup */
2575         if ((ret = rum_bbp_wakeup(sc)) != 0)
2576                 goto end;
2577
2578         if ((ret = rum_bbp_init(sc)) != 0)
2579                 goto end;
2580
2581         /* select default channel */
2582         rum_select_band(sc, ic->ic_curchan);
2583         rum_select_antenna(sc);
2584         rum_set_chan(sc, ic->ic_curchan);
2585
2586         /* clear STA registers */
2587         rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
2588
2589         /* clear security registers (if required) */
2590         if (sc->sc_clr_shkeys == 0) {
2591                 rum_clr_shkey_regs(sc);
2592                 sc->sc_clr_shkeys = 1;
2593         }
2594
2595         rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr);
2596
2597         /* initialize ASIC */
2598         rum_write(sc, RT2573_MAC_CSR1, RT2573_HOST_READY);
2599
2600         /*
2601          * Allocate Tx and Rx xfer queues.
2602          */
2603         rum_setup_tx_list(sc);
2604
2605         /* update Rx filter */
2606         tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
2607
2608         tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
2609         if (ic->ic_opmode != IEEE80211_M_MONITOR) {
2610                 tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
2611                        RT2573_DROP_ACKCTS;
2612                 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2613                         tmp |= RT2573_DROP_TODS;
2614                 if (ic->ic_promisc == 0)
2615                         tmp |= RT2573_DROP_NOT_TO_ME;
2616         }
2617         rum_write(sc, RT2573_TXRX_CSR0, tmp);
2618
2619         sc->sc_running = 1;
2620         usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
2621         usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
2622
2623 end:    RUM_UNLOCK(sc);
2624
2625         if (ret != 0)
2626                 rum_stop(sc);
2627
2628         return ret;
2629 }
2630
2631 static void
2632 rum_stop(struct rum_softc *sc)
2633 {
2634
2635         RUM_LOCK(sc);
2636         if (!sc->sc_running) {
2637                 RUM_UNLOCK(sc);
2638                 return;
2639         }
2640         sc->sc_running = 0;
2641         RUM_UNLOCK(sc);
2642
2643         /*
2644          * Drain the USB transfers, if not already drained:
2645          */
2646         usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
2647         usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
2648
2649         RUM_LOCK(sc);
2650         rum_unsetup_tx_list(sc);
2651
2652         /* disable Rx */
2653         rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DISABLE_RX);
2654
2655         /* reset ASIC */
2656         rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP);
2657         rum_write(sc, RT2573_MAC_CSR1, 0);
2658         RUM_UNLOCK(sc);
2659 }
2660
2661 static void
2662 rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
2663 {
2664         uint16_t reg = RT2573_MCU_CODE_BASE;
2665         usb_error_t err;
2666
2667         /* copy firmware image into NIC */
2668         for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
2669                 err = rum_write(sc, reg, UGETDW(ucode));
2670                 if (err) {
2671                         /* firmware already loaded ? */
2672                         device_printf(sc->sc_dev, "Firmware load "
2673                             "failure! (ignored)\n");
2674                         break;
2675                 }
2676         }
2677
2678         err = rum_do_mcu_request(sc, RT2573_MCU_RUN);
2679         if (err != USB_ERR_NORMAL_COMPLETION) {
2680                 device_printf(sc->sc_dev, "could not run firmware: %s\n",
2681                     usbd_errstr(err));
2682         }
2683
2684         /* give the chip some time to boot */
2685         rum_pause(sc, hz / 8);
2686 }
2687
2688 static int
2689 rum_set_sleep_time(struct rum_softc *sc, uint16_t bintval)
2690 {
2691         struct ieee80211com *ic = &sc->sc_ic;
2692         usb_error_t uerror;
2693         int exp, delay;
2694
2695         RUM_LOCK_ASSERT(sc);
2696
2697         exp = ic->ic_lintval / bintval;
2698         delay = ic->ic_lintval % bintval;
2699
2700         if (exp > RT2573_TBCN_EXP_MAX)
2701                 exp = RT2573_TBCN_EXP_MAX;
2702         if (delay > RT2573_TBCN_DELAY_MAX)
2703                 delay = RT2573_TBCN_DELAY_MAX;
2704
2705         uerror = rum_modbits(sc, RT2573_MAC_CSR11,
2706             RT2573_TBCN_EXP(exp) |
2707             RT2573_TBCN_DELAY(delay),
2708             RT2573_TBCN_EXP(RT2573_TBCN_EXP_MAX) |
2709             RT2573_TBCN_DELAY(RT2573_TBCN_DELAY_MAX));
2710
2711         if (uerror != USB_ERR_NORMAL_COMPLETION)
2712                 return (EIO);
2713
2714         sc->sc_sleep_time = IEEE80211_TU_TO_TICKS(exp * bintval + delay);
2715
2716         return (0);
2717 }
2718
2719 static int
2720 rum_reset(struct ieee80211vap *vap, u_long cmd)
2721 {
2722         struct ieee80211com *ic = vap->iv_ic;
2723         struct ieee80211_node *ni;
2724         struct rum_softc *sc = ic->ic_softc;
2725         int error;
2726
2727         switch (cmd) {
2728         case IEEE80211_IOC_POWERSAVE:
2729         case IEEE80211_IOC_PROTMODE:
2730         case IEEE80211_IOC_RTSTHRESHOLD:
2731                 error = 0;
2732                 break;
2733         case IEEE80211_IOC_POWERSAVESLEEP:
2734                 ni = ieee80211_ref_node(vap->iv_bss);
2735
2736                 RUM_LOCK(sc);
2737                 error = rum_set_sleep_time(sc, ni->ni_intval);
2738                 if (vap->iv_state == IEEE80211_S_SLEEP) {
2739                         /* Use new values for wakeup timer. */
2740                         rum_clrbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
2741                         rum_setbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
2742                 }
2743                 /* XXX send reassoc */
2744                 RUM_UNLOCK(sc);
2745
2746                 ieee80211_free_node(ni);
2747                 break;
2748         default:
2749                 error = ENETRESET;
2750                 break;
2751         }
2752
2753         return (error);
2754 }
2755
2756 static int
2757 rum_set_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
2758 {
2759         struct ieee80211com *ic = vap->iv_ic;
2760         struct rum_vap *rvp = RUM_VAP(vap);
2761         struct mbuf *m = rvp->bcn_mbuf;
2762         const struct ieee80211_txparam *tp;
2763         struct rum_tx_desc desc;
2764
2765         RUM_LOCK_ASSERT(sc);
2766
2767         if (m == NULL)
2768                 return EINVAL;
2769         if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
2770                 return EINVAL;
2771
2772         tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
2773         rum_setup_tx_desc(sc, &desc, NULL, RT2573_TX_TIMESTAMP,
2774             RT2573_TX_HWSEQ, 0, 0, m->m_pkthdr.len, tp->mgmtrate);
2775
2776         /* copy the Tx descriptor into NIC memory */
2777         if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0), (uint8_t *)&desc,
2778             RT2573_TX_DESC_SIZE) != 0)
2779                 return EIO;
2780
2781         /* copy beacon header and payload into NIC memory */
2782         if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0) + RT2573_TX_DESC_SIZE,
2783             mtod(m, uint8_t *), m->m_pkthdr.len) != 0)
2784                 return EIO;
2785
2786         return 0;
2787 }
2788
2789 static int
2790 rum_alloc_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
2791 {
2792         struct rum_vap *rvp = RUM_VAP(vap);
2793         struct ieee80211_node *ni = vap->iv_bss;
2794         struct mbuf *m;
2795
2796         if (ni->ni_chan == IEEE80211_CHAN_ANYC)
2797                 return EINVAL;
2798
2799         m = ieee80211_beacon_alloc(ni);
2800         if (m == NULL)
2801                 return ENOMEM;
2802
2803         if (rvp->bcn_mbuf != NULL)
2804                 m_freem(rvp->bcn_mbuf);
2805
2806         rvp->bcn_mbuf = m;
2807
2808         return (rum_set_beacon(sc, vap));
2809 }
2810
2811 static void
2812 rum_update_beacon_cb(struct rum_softc *sc, union sec_param *data,
2813     uint8_t rvp_id)
2814 {
2815         struct ieee80211vap *vap = data->vap;
2816
2817         rum_set_beacon(sc, vap);
2818 }
2819
2820 static void
2821 rum_update_beacon(struct ieee80211vap *vap, int item)
2822 {
2823         struct ieee80211com *ic = vap->iv_ic;
2824         struct rum_softc *sc = ic->ic_softc;
2825         struct rum_vap *rvp = RUM_VAP(vap);
2826         struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off;
2827         struct ieee80211_node *ni = vap->iv_bss;
2828         struct mbuf *m = rvp->bcn_mbuf;
2829         int mcast = 0;
2830
2831         RUM_LOCK(sc);
2832         if (m == NULL) {
2833                 m = ieee80211_beacon_alloc(ni);
2834                 if (m == NULL) {
2835                         device_printf(sc->sc_dev,
2836                             "%s: could not allocate beacon frame\n", __func__);
2837                         RUM_UNLOCK(sc);
2838                         return;
2839                 }
2840                 rvp->bcn_mbuf = m;
2841         }
2842
2843         switch (item) {
2844         case IEEE80211_BEACON_ERP:
2845                 rum_update_slot(ic);
2846                 break;
2847         case IEEE80211_BEACON_TIM:
2848                 mcast = 1;      /*TODO*/
2849                 break;
2850         default:
2851                 break;
2852         }
2853         RUM_UNLOCK(sc);
2854
2855         setbit(bo->bo_flags, item);
2856         ieee80211_beacon_update(ni, m, mcast);
2857
2858         rum_cmd_sleepable(sc, &vap, sizeof(vap), 0, rum_update_beacon_cb);
2859 }
2860
2861 static int
2862 rum_common_key_set(struct rum_softc *sc, struct ieee80211_key *k,
2863     uint16_t base)
2864 {
2865
2866         if (rum_write_multi(sc, base, k->wk_key, k->wk_keylen))
2867                 return EIO;
2868
2869         if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
2870                 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE,
2871                     k->wk_txmic, 8))
2872                         return EIO;
2873                 if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE + 8,
2874                     k->wk_rxmic, 8))
2875                         return EIO;
2876         }
2877
2878         return 0;
2879 }
2880
2881 static void
2882 rum_group_key_set_cb(struct rum_softc *sc, union sec_param *data,
2883     uint8_t rvp_id)
2884 {
2885         struct ieee80211_key *k = &data->key;
2886         uint8_t mode;
2887
2888         if (sc->sc_clr_shkeys == 0) {
2889                 rum_clr_shkey_regs(sc);
2890                 sc->sc_clr_shkeys = 1;
2891         }
2892
2893         mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
2894         if (mode == 0)
2895                 goto print_err;
2896
2897         DPRINTFN(1, "setting group key %d for vap %d, mode %d "
2898             "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode,
2899             (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
2900             (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
2901
2902         /* Install the key. */
2903         if (rum_common_key_set(sc, k, RT2573_SKEY(rvp_id, k->wk_keyix)) != 0)
2904                 goto print_err;
2905
2906         /* Set cipher mode. */
2907         if (rum_modbits(sc, rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5,
2908               mode << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX,
2909               RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX)
2910             != 0)
2911                 goto print_err;
2912
2913         /* Mark this key as valid. */
2914         if (rum_setbits(sc, RT2573_SEC_CSR0,
2915               1 << (rvp_id * RT2573_SKEY_MAX + k->wk_keyix)) != 0)
2916                 goto print_err;
2917
2918         return;
2919
2920 print_err:
2921         device_printf(sc->sc_dev, "%s: cannot set group key %d for vap %d\n",
2922             __func__, k->wk_keyix, rvp_id);
2923 }
2924
2925 static void
2926 rum_group_key_del_cb(struct rum_softc *sc, union sec_param *data,
2927     uint8_t rvp_id)
2928 {
2929         struct ieee80211_key *k = &data->key;
2930
2931         DPRINTF("%s: removing group key %d for vap %d\n", __func__,
2932             k->wk_keyix, rvp_id);
2933         rum_clrbits(sc,
2934             rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5,
2935             RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX);
2936         rum_clrbits(sc, RT2573_SEC_CSR0,
2937             rvp_id * RT2573_SKEY_MAX + k->wk_keyix);
2938 }
2939
2940 static void
2941 rum_pair_key_set_cb(struct rum_softc *sc, union sec_param *data,
2942     uint8_t rvp_id)
2943 {
2944         struct ieee80211_key *k = &data->key;
2945         uint8_t buf[IEEE80211_ADDR_LEN + 1];
2946         uint8_t mode;
2947
2948         mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
2949         if (mode == 0)
2950                 goto print_err;
2951
2952         DPRINTFN(1, "setting pairwise key %d for vap %d, mode %d "
2953             "(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode,
2954             (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
2955             (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
2956
2957         /* Install the key. */
2958         if (rum_common_key_set(sc, k, RT2573_PKEY(k->wk_keyix)) != 0)
2959                 goto print_err;
2960
2961         IEEE80211_ADDR_COPY(buf, k->wk_macaddr);
2962         buf[IEEE80211_ADDR_LEN] = mode;
2963
2964         /* Set transmitter address and cipher mode. */
2965         if (rum_write_multi(sc, RT2573_ADDR_ENTRY(k->wk_keyix),
2966               buf, sizeof buf) != 0)
2967                 goto print_err;
2968
2969         /* Enable key table lookup for this vap. */
2970         if (sc->vap_key_count[rvp_id]++ == 0)
2971                 if (rum_setbits(sc, RT2573_SEC_CSR4, 1 << rvp_id) != 0)
2972                         goto print_err;
2973
2974         /* Mark this key as valid. */
2975         if (rum_setbits(sc,
2976               k->wk_keyix < 32 ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3,
2977               1 << (k->wk_keyix % 32)) != 0)
2978                 goto print_err;
2979
2980         return;
2981
2982 print_err:
2983         device_printf(sc->sc_dev,
2984             "%s: cannot set pairwise key %d, vap %d\n", __func__, k->wk_keyix,
2985             rvp_id);
2986 }
2987
2988 static void
2989 rum_pair_key_del_cb(struct rum_softc *sc, union sec_param *data,
2990     uint8_t rvp_id)
2991 {
2992         struct ieee80211_key *k = &data->key;
2993
2994         DPRINTF("%s: removing key %d\n", __func__, k->wk_keyix);
2995         rum_clrbits(sc, (k->wk_keyix < 32) ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3,
2996             1 << (k->wk_keyix % 32));
2997         sc->keys_bmap &= ~(1ULL << k->wk_keyix);
2998         if (--sc->vap_key_count[rvp_id] == 0)
2999                 rum_clrbits(sc, RT2573_SEC_CSR4, 1 << rvp_id);
3000 }
3001
3002 static int
3003 rum_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
3004     ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
3005 {
3006         struct rum_softc *sc = vap->iv_ic->ic_softc;
3007         uint8_t i;
3008
3009         if (!(&vap->iv_nw_keys[0] <= k &&
3010              k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
3011                 if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
3012                         RUM_LOCK(sc);
3013                         for (i = 0; i < RT2573_ADDR_MAX; i++) {
3014                                 if ((sc->keys_bmap & (1ULL << i)) == 0) {
3015                                         sc->keys_bmap |= (1ULL << i);
3016                                         *keyix = i;
3017                                         break;
3018                                 }
3019                         }
3020                         RUM_UNLOCK(sc);
3021                         if (i == RT2573_ADDR_MAX) {
3022                                 device_printf(sc->sc_dev,
3023                                     "%s: no free space in the key table\n",
3024                                     __func__);
3025                                 return 0;
3026                         }
3027                 } else
3028                         *keyix = 0;
3029         } else {
3030                 *keyix = ieee80211_crypto_get_key_wepidx(vap, k);
3031         }
3032         *rxkeyix = *keyix;
3033         return 1;
3034 }
3035
3036 static int
3037 rum_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
3038 {
3039         struct rum_softc *sc = vap->iv_ic->ic_softc;
3040         int group;
3041
3042         if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
3043                 /* Not for us. */
3044                 return 1;
3045         }
3046
3047         group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID];
3048
3049         return !rum_cmd_sleepable(sc, k, sizeof(*k), 0,
3050                    group ? rum_group_key_set_cb : rum_pair_key_set_cb);
3051 }
3052
3053 static int
3054 rum_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
3055 {
3056         struct rum_softc *sc = vap->iv_ic->ic_softc;
3057         int group;
3058
3059         if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
3060                 /* Not for us. */
3061                 return 1;
3062         }
3063
3064         group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID];
3065
3066         return !rum_cmd_sleepable(sc, k, sizeof(*k), 0,
3067                    group ? rum_group_key_del_cb : rum_pair_key_del_cb);
3068 }
3069
3070 static int
3071 rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
3072     const struct ieee80211_bpf_params *params)
3073 {
3074         struct rum_softc *sc = ni->ni_ic->ic_softc;
3075         int ret;
3076
3077         RUM_LOCK(sc);
3078         /* prevent management frames from being sent if we're not ready */
3079         if (!sc->sc_running) {
3080                 ret = ENETDOWN;
3081                 goto bad;
3082         }
3083         if (sc->tx_nfree < RUM_TX_MINFREE) {
3084                 ret = EIO;
3085                 goto bad;
3086         }
3087
3088         if (params == NULL) {
3089                 /*
3090                  * Legacy path; interpret frame contents to decide
3091                  * precisely how to send the frame.
3092                  */
3093                 if ((ret = rum_tx_mgt(sc, m, ni)) != 0)
3094                         goto bad;
3095         } else {
3096                 /*
3097                  * Caller supplied explicit parameters to use in
3098                  * sending the frame.
3099                  */
3100                 if ((ret = rum_tx_raw(sc, m, ni, params)) != 0)
3101                         goto bad;
3102         }
3103         RUM_UNLOCK(sc);
3104
3105         return 0;
3106 bad:
3107         RUM_UNLOCK(sc);
3108         m_freem(m);
3109         return ret;
3110 }
3111
3112 static void
3113 rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
3114 {
3115         struct ieee80211vap *vap = ni->ni_vap;
3116         struct rum_vap *rvp = RUM_VAP(vap);
3117
3118         /* clear statistic registers (STA_CSR0 to STA_CSR5) */
3119         rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
3120
3121         usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
3122 }
3123
3124 static void
3125 rum_ratectl_timeout(void *arg)
3126 {
3127         struct rum_vap *rvp = arg;
3128         struct ieee80211vap *vap = &rvp->vap;
3129         struct ieee80211com *ic = vap->iv_ic;
3130
3131         ieee80211_runtask(ic, &rvp->ratectl_task);
3132 }
3133
3134 static void
3135 rum_ratectl_task(void *arg, int pending)
3136 {
3137         struct rum_vap *rvp = arg;
3138         struct ieee80211vap *vap = &rvp->vap;
3139         struct rum_softc *sc = vap->iv_ic->ic_softc;
3140         struct ieee80211_ratectl_tx_stats *txs = &sc->sc_txs;
3141         int ok[3], fail;
3142
3143         RUM_LOCK(sc);
3144         /* read and clear statistic registers (STA_CSR0 to STA_CSR5) */
3145         rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
3146
3147         ok[0] = (le32toh(sc->sta[4]) & 0xffff); /* TX ok w/o retry */
3148         ok[1] = (le32toh(sc->sta[4]) >> 16);    /* TX ok w/ one retry */
3149         ok[2] = (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ multiple retries */
3150         fail =  (le32toh(sc->sta[5]) >> 16);    /* TX retry-fail count */
3151
3152         txs->flags = IEEE80211_RATECTL_TX_STATS_RETRIES;
3153         txs->nframes = ok[0] + ok[1] + ok[2] + fail;
3154         txs->nsuccess = txs->nframes - fail;
3155         /* XXX at least */
3156         txs->nretries = ok[1] + ok[2] * 2 + fail * (rvp->maxretry + 1);
3157
3158         if (txs->nframes != 0)
3159                 ieee80211_ratectl_tx_update(vap, txs);
3160
3161         /* count TX retry-fail as Tx errors */
3162         if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, fail);
3163
3164         usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
3165         RUM_UNLOCK(sc);
3166 }
3167
3168 static void
3169 rum_scan_start(struct ieee80211com *ic)
3170 {
3171         struct rum_softc *sc = ic->ic_softc;
3172
3173         RUM_LOCK(sc);
3174         rum_abort_tsf_sync(sc);
3175         rum_set_bssid(sc, ieee80211broadcastaddr);
3176         RUM_UNLOCK(sc);
3177
3178 }
3179
3180 static void
3181 rum_scan_end(struct ieee80211com *ic)
3182 {
3183         struct rum_softc *sc = ic->ic_softc;
3184
3185         if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) {
3186                 RUM_LOCK(sc);
3187                 if (ic->ic_opmode != IEEE80211_M_AHDEMO)
3188                         rum_enable_tsf_sync(sc);
3189                 else
3190                         rum_enable_tsf(sc);
3191                 rum_set_bssid(sc, sc->sc_bssid);
3192                 RUM_UNLOCK(sc);
3193         }
3194 }
3195
3196 static void
3197 rum_set_channel(struct ieee80211com *ic)
3198 {
3199         struct rum_softc *sc = ic->ic_softc;
3200
3201         RUM_LOCK(sc);
3202         rum_set_chan(sc, ic->ic_curchan);
3203         RUM_UNLOCK(sc);
3204 }
3205
3206 static void
3207 rum_getradiocaps(struct ieee80211com *ic,
3208     int maxchans, int *nchans, struct ieee80211_channel chans[])
3209 {
3210         struct rum_softc *sc = ic->ic_softc;
3211         uint8_t bands[IEEE80211_MODE_BYTES];
3212
3213         memset(bands, 0, sizeof(bands));
3214         setbit(bands, IEEE80211_MODE_11B);
3215         setbit(bands, IEEE80211_MODE_11G);
3216         ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, bands, 0);
3217
3218         if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226) {
3219                 setbit(bands, IEEE80211_MODE_11A);
3220                 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans,
3221                     rum_chan_5ghz, nitems(rum_chan_5ghz), bands, 0);
3222         }
3223 }
3224
3225 static int
3226 rum_get_rssi(struct rum_softc *sc, uint8_t raw)
3227 {
3228         struct ieee80211com *ic = &sc->sc_ic;
3229         int lna, agc, rssi;
3230
3231         lna = (raw >> 5) & 0x3;
3232         agc = raw & 0x1f;
3233
3234         if (lna == 0) {
3235                 /*
3236                  * No RSSI mapping
3237                  *
3238                  * NB: Since RSSI is relative to noise floor, -1 is
3239                  *     adequate for caller to know error happened.
3240                  */
3241                 return -1;
3242         }
3243
3244         rssi = (2 * agc) - RT2573_NOISE_FLOOR;
3245
3246         if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
3247                 rssi += sc->rssi_2ghz_corr;
3248
3249                 if (lna == 1)
3250                         rssi -= 64;
3251                 else if (lna == 2)
3252                         rssi -= 74;
3253                 else if (lna == 3)
3254                         rssi -= 90;
3255         } else {
3256                 rssi += sc->rssi_5ghz_corr;
3257
3258                 if (!sc->ext_5ghz_lna && lna != 1)
3259                         rssi += 4;
3260
3261                 if (lna == 1)
3262                         rssi -= 64;
3263                 else if (lna == 2)
3264                         rssi -= 86;
3265                 else if (lna == 3)
3266                         rssi -= 100;
3267         }
3268         return rssi;
3269 }
3270
3271 static int
3272 rum_pause(struct rum_softc *sc, int timeout)
3273 {
3274
3275         usb_pause_mtx(&sc->sc_mtx, timeout);
3276         return (0);
3277 }
3278
3279 static device_method_t rum_methods[] = {
3280         /* Device interface */
3281         DEVMETHOD(device_probe,         rum_match),
3282         DEVMETHOD(device_attach,        rum_attach),
3283         DEVMETHOD(device_detach,        rum_detach),
3284         DEVMETHOD_END
3285 };
3286
3287 static driver_t rum_driver = {
3288         .name = "rum",
3289         .methods = rum_methods,
3290         .size = sizeof(struct rum_softc),
3291 };
3292
3293 static devclass_t rum_devclass;
3294
3295 DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
3296 MODULE_DEPEND(rum, wlan, 1, 1, 1);
3297 MODULE_DEPEND(rum, usb, 1, 1, 1);
3298 MODULE_VERSION(rum, 1);
3299 USB_PNP_HOST_INFO(rum_devs);