1 /*- 2 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2007-2008 Marvell Semiconductor, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer, 11 * without modification. 12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 14 * redistribution must be conditioned upon including a substantially 15 * similar Disclaimer requirement for further binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGES. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 /* 35 * Driver for the Marvell 88W8363 Wireless LAN controller. 36 */ 37 38 #include "opt_inet.h" 39 #include "opt_mwl.h" 40 #include "opt_wlan.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/sysctl.h> 45 #include <sys/mbuf.h> 46 #include <sys/malloc.h> 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #include <sys/kernel.h> 50 #include <sys/socket.h> 51 #include <sys/sockio.h> 52 #include <sys/errno.h> 53 #include <sys/callout.h> 54 #include <sys/bus.h> 55 #include <sys/endian.h> 56 #include <sys/kthread.h> 57 #include <sys/taskqueue.h> 58 59 #include <machine/bus.h> 60 61 #include <net/if.h> 62 #include <net/if_var.h> 63 #include <net/if_dl.h> 64 #include <net/if_media.h> 65 #include <net/if_types.h> 66 #include <net/if_arp.h> 67 #include <net/ethernet.h> 68 #include <net/if_llc.h> 69 70 #include <net/bpf.h> 71 72 #include <net80211/ieee80211_var.h> 73 #include <net80211/ieee80211_regdomain.h> 74 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_ether.h> 78 #endif /* INET */ 79 80 #include <dev/mwl/if_mwlvar.h> 81 #include <dev/mwl/mwldiag.h> 82 83 /* idiomatic shorthands: MS = mask+shift, SM = shift+mask */ 84 #define MS(v,x) (((v) & x) >> x##_S) 85 #define SM(v,x) (((v) << x##_S) & x) 86 87 static struct ieee80211vap *mwl_vap_create(struct ieee80211com *, 88 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 89 const uint8_t [IEEE80211_ADDR_LEN], 90 const uint8_t [IEEE80211_ADDR_LEN]); 91 static void mwl_vap_delete(struct ieee80211vap *); 92 static int mwl_setupdma(struct mwl_softc *); 93 static int mwl_hal_reset(struct mwl_softc *sc); 94 static int mwl_init_locked(struct mwl_softc *); 95 static void mwl_init(void *); 96 static void mwl_stop_locked(struct ifnet *, int); 97 static int mwl_reset(struct ieee80211vap *, u_long); 98 static void mwl_stop(struct ifnet *, int); 99 static void mwl_start(struct ifnet *); 100 static int mwl_raw_xmit(struct ieee80211_node *, struct mbuf *, 101 const struct ieee80211_bpf_params *); 102 static int mwl_media_change(struct ifnet *); 103 static void mwl_watchdog(void *); 104 static int mwl_ioctl(struct ifnet *, u_long, caddr_t); 105 static void mwl_radar_proc(void *, int); 106 static void mwl_chanswitch_proc(void *, int); 107 static void mwl_bawatchdog_proc(void *, int); 108 static int mwl_key_alloc(struct ieee80211vap *, 109 struct ieee80211_key *, 110 ieee80211_keyix *, ieee80211_keyix *); 111 static int mwl_key_delete(struct ieee80211vap *, 112 const struct ieee80211_key *); 113 static int mwl_key_set(struct ieee80211vap *, const struct ieee80211_key *, 114 const uint8_t mac[IEEE80211_ADDR_LEN]); 115 static int mwl_mode_init(struct mwl_softc *); 116 static void mwl_update_mcast(struct ifnet *); 117 static void mwl_update_promisc(struct ifnet *); 118 static void mwl_updateslot(struct ifnet *); 119 static int mwl_beacon_setup(struct ieee80211vap *); 120 static void mwl_beacon_update(struct ieee80211vap *, int); 121 #ifdef MWL_HOST_PS_SUPPORT 122 static void mwl_update_ps(struct ieee80211vap *, int); 123 static int mwl_set_tim(struct ieee80211_node *, int); 124 #endif 125 static int mwl_dma_setup(struct mwl_softc *); 126 static void mwl_dma_cleanup(struct mwl_softc *); 127 static struct ieee80211_node *mwl_node_alloc(struct ieee80211vap *, 128 const uint8_t [IEEE80211_ADDR_LEN]); 129 static void mwl_node_cleanup(struct ieee80211_node *); 130 static void mwl_node_drain(struct ieee80211_node *); 131 static void mwl_node_getsignal(const struct ieee80211_node *, 132 int8_t *, int8_t *); 133 static void mwl_node_getmimoinfo(const struct ieee80211_node *, 134 struct ieee80211_mimo_info *); 135 static int mwl_rxbuf_init(struct mwl_softc *, struct mwl_rxbuf *); 136 static void mwl_rx_proc(void *, int); 137 static void mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *, int); 138 static int mwl_tx_setup(struct mwl_softc *, int, int); 139 static int mwl_wme_update(struct ieee80211com *); 140 static void mwl_tx_cleanupq(struct mwl_softc *, struct mwl_txq *); 141 static void mwl_tx_cleanup(struct mwl_softc *); 142 static uint16_t mwl_calcformat(uint8_t rate, const struct ieee80211_node *); 143 static int mwl_tx_start(struct mwl_softc *, struct ieee80211_node *, 144 struct mwl_txbuf *, struct mbuf *); 145 static void mwl_tx_proc(void *, int); 146 static int mwl_chan_set(struct mwl_softc *, struct ieee80211_channel *); 147 static void mwl_draintxq(struct mwl_softc *); 148 static void mwl_cleartxq(struct mwl_softc *, struct ieee80211vap *); 149 static int mwl_recv_action(struct ieee80211_node *, 150 const struct ieee80211_frame *, 151 const uint8_t *, const uint8_t *); 152 static int mwl_addba_request(struct ieee80211_node *, 153 struct ieee80211_tx_ampdu *, int dialogtoken, 154 int baparamset, int batimeout); 155 static int mwl_addba_response(struct ieee80211_node *, 156 struct ieee80211_tx_ampdu *, int status, 157 int baparamset, int batimeout); 158 static void mwl_addba_stop(struct ieee80211_node *, 159 struct ieee80211_tx_ampdu *); 160 static int mwl_startrecv(struct mwl_softc *); 161 static MWL_HAL_APMODE mwl_getapmode(const struct ieee80211vap *, 162 struct ieee80211_channel *); 163 static int mwl_setapmode(struct ieee80211vap *, struct ieee80211_channel*); 164 static void mwl_scan_start(struct ieee80211com *); 165 static void mwl_scan_end(struct ieee80211com *); 166 static void mwl_set_channel(struct ieee80211com *); 167 static int mwl_peerstadb(struct ieee80211_node *, 168 int aid, int staid, MWL_HAL_PEERINFO *pi); 169 static int mwl_localstadb(struct ieee80211vap *); 170 static int mwl_newstate(struct ieee80211vap *, enum ieee80211_state, int); 171 static int allocstaid(struct mwl_softc *sc, int aid); 172 static void delstaid(struct mwl_softc *sc, int staid); 173 static void mwl_newassoc(struct ieee80211_node *, int); 174 static void mwl_agestations(void *); 175 static int mwl_setregdomain(struct ieee80211com *, 176 struct ieee80211_regdomain *, int, 177 struct ieee80211_channel []); 178 static void mwl_getradiocaps(struct ieee80211com *, int, int *, 179 struct ieee80211_channel []); 180 static int mwl_getchannels(struct mwl_softc *); 181 182 static void mwl_sysctlattach(struct mwl_softc *); 183 static void mwl_announce(struct mwl_softc *); 184 185 SYSCTL_NODE(_hw, OID_AUTO, mwl, CTLFLAG_RD, 0, "Marvell driver parameters"); 186 187 static int mwl_rxdesc = MWL_RXDESC; /* # rx desc's to allocate */ 188 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdesc, CTLFLAG_RW, &mwl_rxdesc, 189 0, "rx descriptors allocated"); 190 static int mwl_rxbuf = MWL_RXBUF; /* # rx buffers to allocate */ 191 SYSCTL_INT(_hw_mwl, OID_AUTO, rxbuf, CTLFLAG_RWTUN, &mwl_rxbuf, 192 0, "rx buffers allocated"); 193 static int mwl_txbuf = MWL_TXBUF; /* # tx buffers to allocate */ 194 SYSCTL_INT(_hw_mwl, OID_AUTO, txbuf, CTLFLAG_RWTUN, &mwl_txbuf, 195 0, "tx buffers allocated"); 196 static int mwl_txcoalesce = 8; /* # tx packets to q before poking f/w*/ 197 SYSCTL_INT(_hw_mwl, OID_AUTO, txcoalesce, CTLFLAG_RWTUN, &mwl_txcoalesce, 198 0, "tx buffers to send at once"); 199 static int mwl_rxquota = MWL_RXBUF; /* # max buffers to process */ 200 SYSCTL_INT(_hw_mwl, OID_AUTO, rxquota, CTLFLAG_RWTUN, &mwl_rxquota, 201 0, "max rx buffers to process per interrupt"); 202 static int mwl_rxdmalow = 3; /* # min buffers for wakeup */ 203 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdmalow, CTLFLAG_RWTUN, &mwl_rxdmalow, 204 0, "min free rx buffers before restarting traffic"); 205 206 #ifdef MWL_DEBUG 207 static int mwl_debug = 0; 208 SYSCTL_INT(_hw_mwl, OID_AUTO, debug, CTLFLAG_RWTUN, &mwl_debug, 209 0, "control debugging printfs"); 210 enum { 211 MWL_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 212 MWL_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */ 213 MWL_DEBUG_RECV = 0x00000004, /* basic recv operation */ 214 MWL_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */ 215 MWL_DEBUG_RESET = 0x00000010, /* reset processing */ 216 MWL_DEBUG_BEACON = 0x00000020, /* beacon handling */ 217 MWL_DEBUG_INTR = 0x00000040, /* ISR */ 218 MWL_DEBUG_TX_PROC = 0x00000080, /* tx ISR proc */ 219 MWL_DEBUG_RX_PROC = 0x00000100, /* rx ISR proc */ 220 MWL_DEBUG_KEYCACHE = 0x00000200, /* key cache management */ 221 MWL_DEBUG_STATE = 0x00000400, /* 802.11 state transitions */ 222 MWL_DEBUG_NODE = 0x00000800, /* node management */ 223 MWL_DEBUG_RECV_ALL = 0x00001000, /* trace all frames (beacons) */ 224 MWL_DEBUG_TSO = 0x00002000, /* TSO processing */ 225 MWL_DEBUG_AMPDU = 0x00004000, /* BA stream handling */ 226 MWL_DEBUG_ANY = 0xffffffff 227 }; 228 #define IS_BEACON(wh) \ 229 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) == \ 230 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON)) 231 #define IFF_DUMPPKTS_RECV(sc, wh) \ 232 (((sc->sc_debug & MWL_DEBUG_RECV) && \ 233 ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IS_BEACON(wh))) || \ 234 (sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2)) 235 #define IFF_DUMPPKTS_XMIT(sc) \ 236 ((sc->sc_debug & MWL_DEBUG_XMIT) || \ 237 (sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2)) 238 #define DPRINTF(sc, m, fmt, ...) do { \ 239 if (sc->sc_debug & (m)) \ 240 printf(fmt, __VA_ARGS__); \ 241 } while (0) 242 #define KEYPRINTF(sc, hk, mac) do { \ 243 if (sc->sc_debug & MWL_DEBUG_KEYCACHE) \ 244 mwl_keyprint(sc, __func__, hk, mac); \ 245 } while (0) 246 static void mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix); 247 static void mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix); 248 #else 249 #define IFF_DUMPPKTS_RECV(sc, wh) \ 250 ((sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2)) 251 #define IFF_DUMPPKTS_XMIT(sc) \ 252 ((sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2)) 253 #define DPRINTF(sc, m, fmt, ...) do { \ 254 (void) sc; \ 255 } while (0) 256 #define KEYPRINTF(sc, k, mac) do { \ 257 (void) sc; \ 258 } while (0) 259 #endif 260 261 static MALLOC_DEFINE(M_MWLDEV, "mwldev", "mwl driver dma buffers"); 262 263 /* 264 * Each packet has fixed front matter: a 2-byte length 265 * of the payload, followed by a 4-address 802.11 header 266 * (regardless of the actual header and always w/o any 267 * QoS header). The payload then follows. 268 */ 269 struct mwltxrec { 270 uint16_t fwlen; 271 struct ieee80211_frame_addr4 wh; 272 } __packed; 273 274 /* 275 * Read/Write shorthands for accesses to BAR 0. Note 276 * that all BAR 1 operations are done in the "hal" and 277 * there should be no reference to them here. 278 */ 279 #ifdef MWL_DEBUG 280 static __inline uint32_t 281 RD4(struct mwl_softc *sc, bus_size_t off) 282 { 283 return bus_space_read_4(sc->sc_io0t, sc->sc_io0h, off); 284 } 285 #endif 286 287 static __inline void 288 WR4(struct mwl_softc *sc, bus_size_t off, uint32_t val) 289 { 290 bus_space_write_4(sc->sc_io0t, sc->sc_io0h, off, val); 291 } 292 293 int 294 mwl_attach(uint16_t devid, struct mwl_softc *sc) 295 { 296 struct ifnet *ifp; 297 struct ieee80211com *ic; 298 struct mwl_hal *mh; 299 int error = 0; 300 301 DPRINTF(sc, MWL_DEBUG_ANY, "%s: devid 0x%x\n", __func__, devid); 302 303 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 304 if (ifp == NULL) { 305 device_printf(sc->sc_dev, "cannot if_alloc()\n"); 306 return ENOSPC; 307 } 308 ic = ifp->if_l2com; 309 310 /* 311 * Setup the RX free list lock early, so it can be consistently 312 * removed. 313 */ 314 MWL_RXFREE_INIT(sc); 315 316 /* set these up early for if_printf use */ 317 if_initname(ifp, device_get_name(sc->sc_dev), 318 device_get_unit(sc->sc_dev)); 319 320 mh = mwl_hal_attach(sc->sc_dev, devid, 321 sc->sc_io1h, sc->sc_io1t, sc->sc_dmat); 322 if (mh == NULL) { 323 if_printf(ifp, "unable to attach HAL\n"); 324 error = EIO; 325 goto bad; 326 } 327 sc->sc_mh = mh; 328 /* 329 * Load firmware so we can get setup. We arbitrarily 330 * pick station firmware; we'll re-load firmware as 331 * needed so setting up the wrong mode isn't a big deal. 332 */ 333 if (mwl_hal_fwload(mh, NULL) != 0) { 334 if_printf(ifp, "unable to setup builtin firmware\n"); 335 error = EIO; 336 goto bad1; 337 } 338 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) { 339 if_printf(ifp, "unable to fetch h/w specs\n"); 340 error = EIO; 341 goto bad1; 342 } 343 error = mwl_getchannels(sc); 344 if (error != 0) 345 goto bad1; 346 347 sc->sc_txantenna = 0; /* h/w default */ 348 sc->sc_rxantenna = 0; /* h/w default */ 349 sc->sc_invalid = 0; /* ready to go, enable int handling */ 350 sc->sc_ageinterval = MWL_AGEINTERVAL; 351 352 /* 353 * Allocate tx+rx descriptors and populate the lists. 354 * We immediately push the information to the firmware 355 * as otherwise it gets upset. 356 */ 357 error = mwl_dma_setup(sc); 358 if (error != 0) { 359 if_printf(ifp, "failed to setup descriptors: %d\n", error); 360 goto bad1; 361 } 362 error = mwl_setupdma(sc); /* push to firmware */ 363 if (error != 0) /* NB: mwl_setupdma prints msg */ 364 goto bad1; 365 366 callout_init(&sc->sc_timer, CALLOUT_MPSAFE); 367 callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0); 368 369 sc->sc_tq = taskqueue_create("mwl_taskq", M_NOWAIT, 370 taskqueue_thread_enqueue, &sc->sc_tq); 371 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, 372 "%s taskq", ifp->if_xname); 373 374 TASK_INIT(&sc->sc_rxtask, 0, mwl_rx_proc, sc); 375 TASK_INIT(&sc->sc_radartask, 0, mwl_radar_proc, sc); 376 TASK_INIT(&sc->sc_chanswitchtask, 0, mwl_chanswitch_proc, sc); 377 TASK_INIT(&sc->sc_bawatchdogtask, 0, mwl_bawatchdog_proc, sc); 378 379 /* NB: insure BK queue is the lowest priority h/w queue */ 380 if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) { 381 if_printf(ifp, "unable to setup xmit queue for %s traffic!\n", 382 ieee80211_wme_acnames[WME_AC_BK]); 383 error = EIO; 384 goto bad2; 385 } 386 if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) || 387 !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) || 388 !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) { 389 /* 390 * Not enough hardware tx queues to properly do WME; 391 * just punt and assign them all to the same h/w queue. 392 * We could do a better job of this if, for example, 393 * we allocate queues when we switch from station to 394 * AP mode. 395 */ 396 if (sc->sc_ac2q[WME_AC_VI] != NULL) 397 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_VI]); 398 if (sc->sc_ac2q[WME_AC_BE] != NULL) 399 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_BE]); 400 sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK]; 401 sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK]; 402 sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK]; 403 } 404 TASK_INIT(&sc->sc_txtask, 0, mwl_tx_proc, sc); 405 406 ifp->if_softc = sc; 407 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST; 408 ifp->if_start = mwl_start; 409 ifp->if_ioctl = mwl_ioctl; 410 ifp->if_init = mwl_init; 411 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 412 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 413 IFQ_SET_READY(&ifp->if_snd); 414 415 ic->ic_ifp = ifp; 416 /* XXX not right but it's not used anywhere important */ 417 ic->ic_phytype = IEEE80211_T_OFDM; 418 ic->ic_opmode = IEEE80211_M_STA; 419 ic->ic_caps = 420 IEEE80211_C_STA /* station mode supported */ 421 | IEEE80211_C_HOSTAP /* hostap mode */ 422 | IEEE80211_C_MONITOR /* monitor mode */ 423 #if 0 424 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */ 425 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 426 #endif 427 | IEEE80211_C_MBSS /* mesh point link mode */ 428 | IEEE80211_C_WDS /* WDS supported */ 429 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 430 | IEEE80211_C_SHSLOT /* short slot time supported */ 431 | IEEE80211_C_WME /* WME/WMM supported */ 432 | IEEE80211_C_BURST /* xmit bursting supported */ 433 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 434 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 435 | IEEE80211_C_TXFRAG /* handle tx frags */ 436 | IEEE80211_C_TXPMGT /* capable of txpow mgt */ 437 | IEEE80211_C_DFS /* DFS supported */ 438 ; 439 440 ic->ic_htcaps = 441 IEEE80211_HTCAP_SMPS_ENA /* SM PS mode enabled */ 442 | IEEE80211_HTCAP_CHWIDTH40 /* 40MHz channel width */ 443 | IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */ 444 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */ 445 | IEEE80211_HTCAP_RXSTBC_2STREAM/* 1-2 spatial streams */ 446 #if MWL_AGGR_SIZE == 7935 447 | IEEE80211_HTCAP_MAXAMSDU_7935 /* max A-MSDU length */ 448 #else 449 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */ 450 #endif 451 #if 0 452 | IEEE80211_HTCAP_PSMP /* PSMP supported */ 453 | IEEE80211_HTCAP_40INTOLERANT /* 40MHz intolerant */ 454 #endif 455 /* s/w capabilities */ 456 | IEEE80211_HTC_HT /* HT operation */ 457 | IEEE80211_HTC_AMPDU /* tx A-MPDU */ 458 | IEEE80211_HTC_AMSDU /* tx A-MSDU */ 459 | IEEE80211_HTC_SMPS /* SMPS available */ 460 ; 461 462 /* 463 * Mark h/w crypto support. 464 * XXX no way to query h/w support. 465 */ 466 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP 467 | IEEE80211_CRYPTO_AES_CCM 468 | IEEE80211_CRYPTO_TKIP 469 | IEEE80211_CRYPTO_TKIPMIC 470 ; 471 /* 472 * Transmit requires space in the packet for a special 473 * format transmit record and optional padding between 474 * this record and the payload. Ask the net80211 layer 475 * to arrange this when encapsulating packets so we can 476 * add it efficiently. 477 */ 478 ic->ic_headroom = sizeof(struct mwltxrec) - 479 sizeof(struct ieee80211_frame); 480 481 /* call MI attach routine. */ 482 ieee80211_ifattach(ic, sc->sc_hwspecs.macAddr); 483 ic->ic_setregdomain = mwl_setregdomain; 484 ic->ic_getradiocaps = mwl_getradiocaps; 485 /* override default methods */ 486 ic->ic_raw_xmit = mwl_raw_xmit; 487 ic->ic_newassoc = mwl_newassoc; 488 ic->ic_updateslot = mwl_updateslot; 489 ic->ic_update_mcast = mwl_update_mcast; 490 ic->ic_update_promisc = mwl_update_promisc; 491 ic->ic_wme.wme_update = mwl_wme_update; 492 493 ic->ic_node_alloc = mwl_node_alloc; 494 sc->sc_node_cleanup = ic->ic_node_cleanup; 495 ic->ic_node_cleanup = mwl_node_cleanup; 496 sc->sc_node_drain = ic->ic_node_drain; 497 ic->ic_node_drain = mwl_node_drain; 498 ic->ic_node_getsignal = mwl_node_getsignal; 499 ic->ic_node_getmimoinfo = mwl_node_getmimoinfo; 500 501 ic->ic_scan_start = mwl_scan_start; 502 ic->ic_scan_end = mwl_scan_end; 503 ic->ic_set_channel = mwl_set_channel; 504 505 sc->sc_recv_action = ic->ic_recv_action; 506 ic->ic_recv_action = mwl_recv_action; 507 sc->sc_addba_request = ic->ic_addba_request; 508 ic->ic_addba_request = mwl_addba_request; 509 sc->sc_addba_response = ic->ic_addba_response; 510 ic->ic_addba_response = mwl_addba_response; 511 sc->sc_addba_stop = ic->ic_addba_stop; 512 ic->ic_addba_stop = mwl_addba_stop; 513 514 ic->ic_vap_create = mwl_vap_create; 515 ic->ic_vap_delete = mwl_vap_delete; 516 517 ieee80211_radiotap_attach(ic, 518 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 519 MWL_TX_RADIOTAP_PRESENT, 520 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 521 MWL_RX_RADIOTAP_PRESENT); 522 /* 523 * Setup dynamic sysctl's now that country code and 524 * regdomain are available from the hal. 525 */ 526 mwl_sysctlattach(sc); 527 528 if (bootverbose) 529 ieee80211_announce(ic); 530 mwl_announce(sc); 531 return 0; 532 bad2: 533 mwl_dma_cleanup(sc); 534 bad1: 535 mwl_hal_detach(mh); 536 bad: 537 MWL_RXFREE_DESTROY(sc); 538 if_free(ifp); 539 sc->sc_invalid = 1; 540 return error; 541 } 542 543 int 544 mwl_detach(struct mwl_softc *sc) 545 { 546 struct ifnet *ifp = sc->sc_ifp; 547 struct ieee80211com *ic = ifp->if_l2com; 548 549 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n", 550 __func__, ifp->if_flags); 551 552 mwl_stop(ifp, 1); 553 /* 554 * NB: the order of these is important: 555 * o call the 802.11 layer before detaching the hal to 556 * insure callbacks into the driver to delete global 557 * key cache entries can be handled 558 * o reclaim the tx queue data structures after calling 559 * the 802.11 layer as we'll get called back to reclaim 560 * node state and potentially want to use them 561 * o to cleanup the tx queues the hal is called, so detach 562 * it last 563 * Other than that, it's straightforward... 564 */ 565 ieee80211_ifdetach(ic); 566 callout_drain(&sc->sc_watchdog); 567 mwl_dma_cleanup(sc); 568 MWL_RXFREE_DESTROY(sc); 569 mwl_tx_cleanup(sc); 570 mwl_hal_detach(sc->sc_mh); 571 if_free(ifp); 572 573 return 0; 574 } 575 576 /* 577 * MAC address handling for multiple BSS on the same radio. 578 * The first vap uses the MAC address from the EEPROM. For 579 * subsequent vap's we set the U/L bit (bit 1) in the MAC 580 * address and use the next six bits as an index. 581 */ 582 static void 583 assign_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN], int clone) 584 { 585 int i; 586 587 if (clone && mwl_hal_ismbsscapable(sc->sc_mh)) { 588 /* NB: we only do this if h/w supports multiple bssid */ 589 for (i = 0; i < 32; i++) 590 if ((sc->sc_bssidmask & (1<<i)) == 0) 591 break; 592 if (i != 0) 593 mac[0] |= (i << 2)|0x2; 594 } else 595 i = 0; 596 sc->sc_bssidmask |= 1<<i; 597 if (i == 0) 598 sc->sc_nbssid0++; 599 } 600 601 static void 602 reclaim_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN]) 603 { 604 int i = mac[0] >> 2; 605 if (i != 0 || --sc->sc_nbssid0 == 0) 606 sc->sc_bssidmask &= ~(1<<i); 607 } 608 609 static struct ieee80211vap * 610 mwl_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 611 enum ieee80211_opmode opmode, int flags, 612 const uint8_t bssid[IEEE80211_ADDR_LEN], 613 const uint8_t mac0[IEEE80211_ADDR_LEN]) 614 { 615 struct ifnet *ifp = ic->ic_ifp; 616 struct mwl_softc *sc = ifp->if_softc; 617 struct mwl_hal *mh = sc->sc_mh; 618 struct ieee80211vap *vap, *apvap; 619 struct mwl_hal_vap *hvap; 620 struct mwl_vap *mvp; 621 uint8_t mac[IEEE80211_ADDR_LEN]; 622 623 IEEE80211_ADDR_COPY(mac, mac0); 624 switch (opmode) { 625 case IEEE80211_M_HOSTAP: 626 case IEEE80211_M_MBSS: 627 if ((flags & IEEE80211_CLONE_MACADDR) == 0) 628 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID); 629 hvap = mwl_hal_newvap(mh, MWL_HAL_AP, mac); 630 if (hvap == NULL) { 631 if ((flags & IEEE80211_CLONE_MACADDR) == 0) 632 reclaim_address(sc, mac); 633 return NULL; 634 } 635 break; 636 case IEEE80211_M_STA: 637 if ((flags & IEEE80211_CLONE_MACADDR) == 0) 638 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID); 639 hvap = mwl_hal_newvap(mh, MWL_HAL_STA, mac); 640 if (hvap == NULL) { 641 if ((flags & IEEE80211_CLONE_MACADDR) == 0) 642 reclaim_address(sc, mac); 643 return NULL; 644 } 645 /* no h/w beacon miss support; always use s/w */ 646 flags |= IEEE80211_CLONE_NOBEACONS; 647 break; 648 case IEEE80211_M_WDS: 649 hvap = NULL; /* NB: we use associated AP vap */ 650 if (sc->sc_napvaps == 0) 651 return NULL; /* no existing AP vap */ 652 break; 653 case IEEE80211_M_MONITOR: 654 hvap = NULL; 655 break; 656 case IEEE80211_M_IBSS: 657 case IEEE80211_M_AHDEMO: 658 default: 659 return NULL; 660 } 661 662 mvp = (struct mwl_vap *) malloc(sizeof(struct mwl_vap), 663 M_80211_VAP, M_NOWAIT | M_ZERO); 664 if (mvp == NULL) { 665 if (hvap != NULL) { 666 mwl_hal_delvap(hvap); 667 if ((flags & IEEE80211_CLONE_MACADDR) == 0) 668 reclaim_address(sc, mac); 669 } 670 /* XXX msg */ 671 return NULL; 672 } 673 mvp->mv_hvap = hvap; 674 if (opmode == IEEE80211_M_WDS) { 675 /* 676 * WDS vaps must have an associated AP vap; find one. 677 * XXX not right. 678 */ 679 TAILQ_FOREACH(apvap, &ic->ic_vaps, iv_next) 680 if (apvap->iv_opmode == IEEE80211_M_HOSTAP) { 681 mvp->mv_ap_hvap = MWL_VAP(apvap)->mv_hvap; 682 break; 683 } 684 KASSERT(mvp->mv_ap_hvap != NULL, ("no ap vap")); 685 } 686 vap = &mvp->mv_vap; 687 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 688 if (hvap != NULL) 689 IEEE80211_ADDR_COPY(vap->iv_myaddr, mac); 690 /* override with driver methods */ 691 mvp->mv_newstate = vap->iv_newstate; 692 vap->iv_newstate = mwl_newstate; 693 vap->iv_max_keyix = 0; /* XXX */ 694 vap->iv_key_alloc = mwl_key_alloc; 695 vap->iv_key_delete = mwl_key_delete; 696 vap->iv_key_set = mwl_key_set; 697 #ifdef MWL_HOST_PS_SUPPORT 698 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) { 699 vap->iv_update_ps = mwl_update_ps; 700 mvp->mv_set_tim = vap->iv_set_tim; 701 vap->iv_set_tim = mwl_set_tim; 702 } 703 #endif 704 vap->iv_reset = mwl_reset; 705 vap->iv_update_beacon = mwl_beacon_update; 706 707 /* override max aid so sta's cannot assoc when we're out of sta id's */ 708 vap->iv_max_aid = MWL_MAXSTAID; 709 /* override default A-MPDU rx parameters */ 710 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K; 711 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_4; 712 713 /* complete setup */ 714 ieee80211_vap_attach(vap, mwl_media_change, ieee80211_media_status); 715 716 switch (vap->iv_opmode) { 717 case IEEE80211_M_HOSTAP: 718 case IEEE80211_M_MBSS: 719 case IEEE80211_M_STA: 720 /* 721 * Setup sta db entry for local address. 722 */ 723 mwl_localstadb(vap); 724 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 725 vap->iv_opmode == IEEE80211_M_MBSS) 726 sc->sc_napvaps++; 727 else 728 sc->sc_nstavaps++; 729 break; 730 case IEEE80211_M_WDS: 731 sc->sc_nwdsvaps++; 732 break; 733 default: 734 break; 735 } 736 /* 737 * Setup overall operating mode. 738 */ 739 if (sc->sc_napvaps) 740 ic->ic_opmode = IEEE80211_M_HOSTAP; 741 else if (sc->sc_nstavaps) 742 ic->ic_opmode = IEEE80211_M_STA; 743 else 744 ic->ic_opmode = opmode; 745 746 return vap; 747 } 748 749 static void 750 mwl_vap_delete(struct ieee80211vap *vap) 751 { 752 struct mwl_vap *mvp = MWL_VAP(vap); 753 struct ifnet *parent = vap->iv_ic->ic_ifp; 754 struct mwl_softc *sc = parent->if_softc; 755 struct mwl_hal *mh = sc->sc_mh; 756 struct mwl_hal_vap *hvap = mvp->mv_hvap; 757 enum ieee80211_opmode opmode = vap->iv_opmode; 758 759 /* XXX disallow ap vap delete if WDS still present */ 760 if (parent->if_drv_flags & IFF_DRV_RUNNING) { 761 /* quiesce h/w while we remove the vap */ 762 mwl_hal_intrset(mh, 0); /* disable interrupts */ 763 } 764 ieee80211_vap_detach(vap); 765 switch (opmode) { 766 case IEEE80211_M_HOSTAP: 767 case IEEE80211_M_MBSS: 768 case IEEE80211_M_STA: 769 KASSERT(hvap != NULL, ("no hal vap handle")); 770 (void) mwl_hal_delstation(hvap, vap->iv_myaddr); 771 mwl_hal_delvap(hvap); 772 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) 773 sc->sc_napvaps--; 774 else 775 sc->sc_nstavaps--; 776 /* XXX don't do it for IEEE80211_CLONE_MACADDR */ 777 reclaim_address(sc, vap->iv_myaddr); 778 break; 779 case IEEE80211_M_WDS: 780 sc->sc_nwdsvaps--; 781 break; 782 default: 783 break; 784 } 785 mwl_cleartxq(sc, vap); 786 free(mvp, M_80211_VAP); 787 if (parent->if_drv_flags & IFF_DRV_RUNNING) 788 mwl_hal_intrset(mh, sc->sc_imask); 789 } 790 791 void 792 mwl_suspend(struct mwl_softc *sc) 793 { 794 struct ifnet *ifp = sc->sc_ifp; 795 796 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n", 797 __func__, ifp->if_flags); 798 799 mwl_stop(ifp, 1); 800 } 801 802 void 803 mwl_resume(struct mwl_softc *sc) 804 { 805 struct ifnet *ifp = sc->sc_ifp; 806 807 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n", 808 __func__, ifp->if_flags); 809 810 if (ifp->if_flags & IFF_UP) 811 mwl_init(sc); 812 } 813 814 void 815 mwl_shutdown(void *arg) 816 { 817 struct mwl_softc *sc = arg; 818 819 mwl_stop(sc->sc_ifp, 1); 820 } 821 822 /* 823 * Interrupt handler. Most of the actual processing is deferred. 824 */ 825 void 826 mwl_intr(void *arg) 827 { 828 struct mwl_softc *sc = arg; 829 struct mwl_hal *mh = sc->sc_mh; 830 uint32_t status; 831 832 if (sc->sc_invalid) { 833 /* 834 * The hardware is not ready/present, don't touch anything. 835 * Note this can happen early on if the IRQ is shared. 836 */ 837 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid; ignored\n", __func__); 838 return; 839 } 840 /* 841 * Figure out the reason(s) for the interrupt. 842 */ 843 mwl_hal_getisr(mh, &status); /* NB: clears ISR too */ 844 if (status == 0) /* must be a shared irq */ 845 return; 846 847 DPRINTF(sc, MWL_DEBUG_INTR, "%s: status 0x%x imask 0x%x\n", 848 __func__, status, sc->sc_imask); 849 if (status & MACREG_A2HRIC_BIT_RX_RDY) 850 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask); 851 if (status & MACREG_A2HRIC_BIT_TX_DONE) 852 taskqueue_enqueue(sc->sc_tq, &sc->sc_txtask); 853 if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG) 854 taskqueue_enqueue(sc->sc_tq, &sc->sc_bawatchdogtask); 855 if (status & MACREG_A2HRIC_BIT_OPC_DONE) 856 mwl_hal_cmddone(mh); 857 if (status & MACREG_A2HRIC_BIT_MAC_EVENT) { 858 ; 859 } 860 if (status & MACREG_A2HRIC_BIT_ICV_ERROR) { 861 /* TKIP ICV error */ 862 sc->sc_stats.mst_rx_badtkipicv++; 863 } 864 if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) { 865 /* 11n aggregation queue is empty, re-fill */ 866 ; 867 } 868 if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) { 869 ; 870 } 871 if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) { 872 /* radar detected, process event */ 873 taskqueue_enqueue(sc->sc_tq, &sc->sc_radartask); 874 } 875 if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) { 876 /* DFS channel switch */ 877 taskqueue_enqueue(sc->sc_tq, &sc->sc_chanswitchtask); 878 } 879 } 880 881 static void 882 mwl_radar_proc(void *arg, int pending) 883 { 884 struct mwl_softc *sc = arg; 885 struct ifnet *ifp = sc->sc_ifp; 886 struct ieee80211com *ic = ifp->if_l2com; 887 888 DPRINTF(sc, MWL_DEBUG_ANY, "%s: radar detected, pending %u\n", 889 __func__, pending); 890 891 sc->sc_stats.mst_radardetect++; 892 /* XXX stop h/w BA streams? */ 893 894 IEEE80211_LOCK(ic); 895 ieee80211_dfs_notify_radar(ic, ic->ic_curchan); 896 IEEE80211_UNLOCK(ic); 897 } 898 899 static void 900 mwl_chanswitch_proc(void *arg, int pending) 901 { 902 struct mwl_softc *sc = arg; 903 struct ifnet *ifp = sc->sc_ifp; 904 struct ieee80211com *ic = ifp->if_l2com; 905 906 DPRINTF(sc, MWL_DEBUG_ANY, "%s: channel switch notice, pending %u\n", 907 __func__, pending); 908 909 IEEE80211_LOCK(ic); 910 sc->sc_csapending = 0; 911 ieee80211_csa_completeswitch(ic); 912 IEEE80211_UNLOCK(ic); 913 } 914 915 static void 916 mwl_bawatchdog(const MWL_HAL_BASTREAM *sp) 917 { 918 struct ieee80211_node *ni = sp->data[0]; 919 920 /* send DELBA and drop the stream */ 921 ieee80211_ampdu_stop(ni, sp->data[1], IEEE80211_REASON_UNSPECIFIED); 922 } 923 924 static void 925 mwl_bawatchdog_proc(void *arg, int pending) 926 { 927 struct mwl_softc *sc = arg; 928 struct mwl_hal *mh = sc->sc_mh; 929 const MWL_HAL_BASTREAM *sp; 930 uint8_t bitmap, n; 931 932 sc->sc_stats.mst_bawatchdog++; 933 934 if (mwl_hal_getwatchdogbitmap(mh, &bitmap) != 0) { 935 DPRINTF(sc, MWL_DEBUG_AMPDU, 936 "%s: could not get bitmap\n", __func__); 937 sc->sc_stats.mst_bawatchdog_failed++; 938 return; 939 } 940 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: bitmap 0x%x\n", __func__, bitmap); 941 if (bitmap == 0xff) { 942 n = 0; 943 /* disable all ba streams */ 944 for (bitmap = 0; bitmap < 8; bitmap++) { 945 sp = mwl_hal_bastream_lookup(mh, bitmap); 946 if (sp != NULL) { 947 mwl_bawatchdog(sp); 948 n++; 949 } 950 } 951 if (n == 0) { 952 DPRINTF(sc, MWL_DEBUG_AMPDU, 953 "%s: no BA streams found\n", __func__); 954 sc->sc_stats.mst_bawatchdog_empty++; 955 } 956 } else if (bitmap != 0xaa) { 957 /* disable a single ba stream */ 958 sp = mwl_hal_bastream_lookup(mh, bitmap); 959 if (sp != NULL) { 960 mwl_bawatchdog(sp); 961 } else { 962 DPRINTF(sc, MWL_DEBUG_AMPDU, 963 "%s: no BA stream %d\n", __func__, bitmap); 964 sc->sc_stats.mst_bawatchdog_notfound++; 965 } 966 } 967 } 968 969 /* 970 * Convert net80211 channel to a HAL channel. 971 */ 972 static void 973 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct ieee80211_channel *chan) 974 { 975 hc->channel = chan->ic_ieee; 976 977 *(uint32_t *)&hc->channelFlags = 0; 978 if (IEEE80211_IS_CHAN_2GHZ(chan)) 979 hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ; 980 else if (IEEE80211_IS_CHAN_5GHZ(chan)) 981 hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ; 982 if (IEEE80211_IS_CHAN_HT40(chan)) { 983 hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH; 984 if (IEEE80211_IS_CHAN_HT40U(chan)) 985 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_ABOVE_CTRL_CH; 986 else 987 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_BELOW_CTRL_CH; 988 } else 989 hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH; 990 /* XXX 10MHz channels */ 991 } 992 993 /* 994 * Inform firmware of our tx/rx dma setup. The BAR 0 995 * writes below are for compatibility with older firmware. 996 * For current firmware we send this information with a 997 * cmd block via mwl_hal_sethwdma. 998 */ 999 static int 1000 mwl_setupdma(struct mwl_softc *sc) 1001 { 1002 int error, i; 1003 1004 sc->sc_hwdma.rxDescRead = sc->sc_rxdma.dd_desc_paddr; 1005 WR4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead); 1006 WR4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead); 1007 1008 for (i = 0; i < MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES; i++) { 1009 struct mwl_txq *txq = &sc->sc_txq[i]; 1010 sc->sc_hwdma.wcbBase[i] = txq->dma.dd_desc_paddr; 1011 WR4(sc, sc->sc_hwspecs.wcbBase[i], sc->sc_hwdma.wcbBase[i]); 1012 } 1013 sc->sc_hwdma.maxNumTxWcb = mwl_txbuf; 1014 sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES; 1015 1016 error = mwl_hal_sethwdma(sc->sc_mh, &sc->sc_hwdma); 1017 if (error != 0) { 1018 device_printf(sc->sc_dev, 1019 "unable to setup tx/rx dma; hal status %u\n", error); 1020 /* XXX */ 1021 } 1022 return error; 1023 } 1024 1025 /* 1026 * Inform firmware of tx rate parameters. 1027 * Called after a channel change. 1028 */ 1029 static int 1030 mwl_setcurchanrates(struct mwl_softc *sc) 1031 { 1032 struct ifnet *ifp = sc->sc_ifp; 1033 struct ieee80211com *ic = ifp->if_l2com; 1034 const struct ieee80211_rateset *rs; 1035 MWL_HAL_TXRATE rates; 1036 1037 memset(&rates, 0, sizeof(rates)); 1038 rs = ieee80211_get_suprates(ic, ic->ic_curchan); 1039 /* rate used to send management frames */ 1040 rates.MgtRate = rs->rs_rates[0] & IEEE80211_RATE_VAL; 1041 /* rate used to send multicast frames */ 1042 rates.McastRate = rates.MgtRate; 1043 1044 return mwl_hal_settxrate_auto(sc->sc_mh, &rates); 1045 } 1046 1047 /* 1048 * Inform firmware of tx rate parameters. Called whenever 1049 * user-settable params change and after a channel change. 1050 */ 1051 static int 1052 mwl_setrates(struct ieee80211vap *vap) 1053 { 1054 struct mwl_vap *mvp = MWL_VAP(vap); 1055 struct ieee80211_node *ni = vap->iv_bss; 1056 const struct ieee80211_txparam *tp = ni->ni_txparms; 1057 MWL_HAL_TXRATE rates; 1058 1059 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state)); 1060 1061 /* 1062 * Update the h/w rate map. 1063 * NB: 0x80 for MCS is passed through unchanged 1064 */ 1065 memset(&rates, 0, sizeof(rates)); 1066 /* rate used to send management frames */ 1067 rates.MgtRate = tp->mgmtrate; 1068 /* rate used to send multicast frames */ 1069 rates.McastRate = tp->mcastrate; 1070 1071 /* while here calculate EAPOL fixed rate cookie */ 1072 mvp->mv_eapolformat = htole16(mwl_calcformat(rates.MgtRate, ni)); 1073 1074 return mwl_hal_settxrate(mvp->mv_hvap, 1075 tp->ucastrate != IEEE80211_FIXED_RATE_NONE ? 1076 RATE_FIXED : RATE_AUTO, &rates); 1077 } 1078 1079 /* 1080 * Setup a fixed xmit rate cookie for EAPOL frames. 1081 */ 1082 static void 1083 mwl_seteapolformat(struct ieee80211vap *vap) 1084 { 1085 struct mwl_vap *mvp = MWL_VAP(vap); 1086 struct ieee80211_node *ni = vap->iv_bss; 1087 enum ieee80211_phymode mode; 1088 uint8_t rate; 1089 1090 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state)); 1091 1092 mode = ieee80211_chan2mode(ni->ni_chan); 1093 /* 1094 * Use legacy rates when operating a mixed HT+non-HT bss. 1095 * NB: this may violate POLA for sta and wds vap's. 1096 */ 1097 if (mode == IEEE80211_MODE_11NA && 1098 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 1099 rate = vap->iv_txparms[IEEE80211_MODE_11A].mgmtrate; 1100 else if (mode == IEEE80211_MODE_11NG && 1101 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 1102 rate = vap->iv_txparms[IEEE80211_MODE_11G].mgmtrate; 1103 else 1104 rate = vap->iv_txparms[mode].mgmtrate; 1105 1106 mvp->mv_eapolformat = htole16(mwl_calcformat(rate, ni)); 1107 } 1108 1109 /* 1110 * Map SKU+country code to region code for radar bin'ing. 1111 */ 1112 static int 1113 mwl_map2regioncode(const struct ieee80211_regdomain *rd) 1114 { 1115 switch (rd->regdomain) { 1116 case SKU_FCC: 1117 case SKU_FCC3: 1118 return DOMAIN_CODE_FCC; 1119 case SKU_CA: 1120 return DOMAIN_CODE_IC; 1121 case SKU_ETSI: 1122 case SKU_ETSI2: 1123 case SKU_ETSI3: 1124 if (rd->country == CTRY_SPAIN) 1125 return DOMAIN_CODE_SPAIN; 1126 if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2) 1127 return DOMAIN_CODE_FRANCE; 1128 /* XXX force 1.3.1 radar type */ 1129 return DOMAIN_CODE_ETSI_131; 1130 case SKU_JAPAN: 1131 return DOMAIN_CODE_MKK; 1132 case SKU_ROW: 1133 return DOMAIN_CODE_DGT; /* Taiwan */ 1134 case SKU_APAC: 1135 case SKU_APAC2: 1136 case SKU_APAC3: 1137 return DOMAIN_CODE_AUS; /* Australia */ 1138 } 1139 /* XXX KOREA? */ 1140 return DOMAIN_CODE_FCC; /* XXX? */ 1141 } 1142 1143 static int 1144 mwl_hal_reset(struct mwl_softc *sc) 1145 { 1146 struct ifnet *ifp = sc->sc_ifp; 1147 struct ieee80211com *ic = ifp->if_l2com; 1148 struct mwl_hal *mh = sc->sc_mh; 1149 1150 mwl_hal_setantenna(mh, WL_ANTENNATYPE_RX, sc->sc_rxantenna); 1151 mwl_hal_setantenna(mh, WL_ANTENNATYPE_TX, sc->sc_txantenna); 1152 mwl_hal_setradio(mh, 1, WL_AUTO_PREAMBLE); 1153 mwl_hal_setwmm(sc->sc_mh, (ic->ic_flags & IEEE80211_F_WME) != 0); 1154 mwl_chan_set(sc, ic->ic_curchan); 1155 /* NB: RF/RA performance tuned for indoor mode */ 1156 mwl_hal_setrateadaptmode(mh, 0); 1157 mwl_hal_setoptimizationlevel(mh, 1158 (ic->ic_flags & IEEE80211_F_BURST) != 0); 1159 1160 mwl_hal_setregioncode(mh, mwl_map2regioncode(&ic->ic_regdomain)); 1161 1162 mwl_hal_setaggampduratemode(mh, 1, 80); /* XXX */ 1163 mwl_hal_setcfend(mh, 0); /* XXX */ 1164 1165 return 1; 1166 } 1167 1168 static int 1169 mwl_init_locked(struct mwl_softc *sc) 1170 { 1171 struct ifnet *ifp = sc->sc_ifp; 1172 struct mwl_hal *mh = sc->sc_mh; 1173 int error = 0; 1174 1175 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags 0x%x\n", 1176 __func__, ifp->if_flags); 1177 1178 MWL_LOCK_ASSERT(sc); 1179 1180 /* 1181 * Stop anything previously setup. This is safe 1182 * whether this is the first time through or not. 1183 */ 1184 mwl_stop_locked(ifp, 0); 1185 1186 /* 1187 * Push vap-independent state to the firmware. 1188 */ 1189 if (!mwl_hal_reset(sc)) { 1190 if_printf(ifp, "unable to reset hardware\n"); 1191 return EIO; 1192 } 1193 1194 /* 1195 * Setup recv (once); transmit is already good to go. 1196 */ 1197 error = mwl_startrecv(sc); 1198 if (error != 0) { 1199 if_printf(ifp, "unable to start recv logic\n"); 1200 return error; 1201 } 1202 1203 /* 1204 * Enable interrupts. 1205 */ 1206 sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY 1207 | MACREG_A2HRIC_BIT_TX_DONE 1208 | MACREG_A2HRIC_BIT_OPC_DONE 1209 #if 0 1210 | MACREG_A2HRIC_BIT_MAC_EVENT 1211 #endif 1212 | MACREG_A2HRIC_BIT_ICV_ERROR 1213 | MACREG_A2HRIC_BIT_RADAR_DETECT 1214 | MACREG_A2HRIC_BIT_CHAN_SWITCH 1215 #if 0 1216 | MACREG_A2HRIC_BIT_QUEUE_EMPTY 1217 #endif 1218 | MACREG_A2HRIC_BIT_BA_WATCHDOG 1219 | MACREQ_A2HRIC_BIT_TX_ACK 1220 ; 1221 1222 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1223 mwl_hal_intrset(mh, sc->sc_imask); 1224 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc); 1225 1226 return 0; 1227 } 1228 1229 static void 1230 mwl_init(void *arg) 1231 { 1232 struct mwl_softc *sc = arg; 1233 struct ifnet *ifp = sc->sc_ifp; 1234 struct ieee80211com *ic = ifp->if_l2com; 1235 int error = 0; 1236 1237 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags 0x%x\n", 1238 __func__, ifp->if_flags); 1239 1240 MWL_LOCK(sc); 1241 error = mwl_init_locked(sc); 1242 MWL_UNLOCK(sc); 1243 1244 if (error == 0) 1245 ieee80211_start_all(ic); /* start all vap's */ 1246 } 1247 1248 static void 1249 mwl_stop_locked(struct ifnet *ifp, int disable) 1250 { 1251 struct mwl_softc *sc = ifp->if_softc; 1252 1253 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid %u if_flags 0x%x\n", 1254 __func__, sc->sc_invalid, ifp->if_flags); 1255 1256 MWL_LOCK_ASSERT(sc); 1257 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1258 /* 1259 * Shutdown the hardware and driver. 1260 */ 1261 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1262 callout_stop(&sc->sc_watchdog); 1263 sc->sc_tx_timer = 0; 1264 mwl_draintxq(sc); 1265 } 1266 } 1267 1268 static void 1269 mwl_stop(struct ifnet *ifp, int disable) 1270 { 1271 struct mwl_softc *sc = ifp->if_softc; 1272 1273 MWL_LOCK(sc); 1274 mwl_stop_locked(ifp, disable); 1275 MWL_UNLOCK(sc); 1276 } 1277 1278 static int 1279 mwl_reset_vap(struct ieee80211vap *vap, int state) 1280 { 1281 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1282 struct ieee80211com *ic = vap->iv_ic; 1283 1284 if (state == IEEE80211_S_RUN) 1285 mwl_setrates(vap); 1286 /* XXX off by 1? */ 1287 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold); 1288 /* XXX auto? 20/40 split? */ 1289 mwl_hal_sethtgi(hvap, (vap->iv_flags_ht & 1290 (IEEE80211_FHT_SHORTGI20|IEEE80211_FHT_SHORTGI40)) ? 1 : 0); 1291 mwl_hal_setnprot(hvap, ic->ic_htprotmode == IEEE80211_PROT_NONE ? 1292 HTPROTECT_NONE : HTPROTECT_AUTO); 1293 /* XXX txpower cap */ 1294 1295 /* re-setup beacons */ 1296 if (state == IEEE80211_S_RUN && 1297 (vap->iv_opmode == IEEE80211_M_HOSTAP || 1298 vap->iv_opmode == IEEE80211_M_MBSS || 1299 vap->iv_opmode == IEEE80211_M_IBSS)) { 1300 mwl_setapmode(vap, vap->iv_bss->ni_chan); 1301 mwl_hal_setnprotmode(hvap, 1302 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE)); 1303 return mwl_beacon_setup(vap); 1304 } 1305 return 0; 1306 } 1307 1308 /* 1309 * Reset the hardware w/o losing operational state. 1310 * Used to to reset or reload hardware state for a vap. 1311 */ 1312 static int 1313 mwl_reset(struct ieee80211vap *vap, u_long cmd) 1314 { 1315 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1316 int error = 0; 1317 1318 if (hvap != NULL) { /* WDS, MONITOR, etc. */ 1319 struct ieee80211com *ic = vap->iv_ic; 1320 struct ifnet *ifp = ic->ic_ifp; 1321 struct mwl_softc *sc = ifp->if_softc; 1322 struct mwl_hal *mh = sc->sc_mh; 1323 1324 /* XXX handle DWDS sta vap change */ 1325 /* XXX do we need to disable interrupts? */ 1326 mwl_hal_intrset(mh, 0); /* disable interrupts */ 1327 error = mwl_reset_vap(vap, vap->iv_state); 1328 mwl_hal_intrset(mh, sc->sc_imask); 1329 } 1330 return error; 1331 } 1332 1333 /* 1334 * Allocate a tx buffer for sending a frame. The 1335 * packet is assumed to have the WME AC stored so 1336 * we can use it to select the appropriate h/w queue. 1337 */ 1338 static struct mwl_txbuf * 1339 mwl_gettxbuf(struct mwl_softc *sc, struct mwl_txq *txq) 1340 { 1341 struct mwl_txbuf *bf; 1342 1343 /* 1344 * Grab a TX buffer and associated resources. 1345 */ 1346 MWL_TXQ_LOCK(txq); 1347 bf = STAILQ_FIRST(&txq->free); 1348 if (bf != NULL) { 1349 STAILQ_REMOVE_HEAD(&txq->free, bf_list); 1350 txq->nfree--; 1351 } 1352 MWL_TXQ_UNLOCK(txq); 1353 if (bf == NULL) 1354 DPRINTF(sc, MWL_DEBUG_XMIT, 1355 "%s: out of xmit buffers on q %d\n", __func__, txq->qnum); 1356 return bf; 1357 } 1358 1359 /* 1360 * Return a tx buffer to the queue it came from. Note there 1361 * are two cases because we must preserve the order of buffers 1362 * as it reflects the fixed order of descriptors in memory 1363 * (the firmware pre-fetches descriptors so we cannot reorder). 1364 */ 1365 static void 1366 mwl_puttxbuf_head(struct mwl_txq *txq, struct mwl_txbuf *bf) 1367 { 1368 bf->bf_m = NULL; 1369 bf->bf_node = NULL; 1370 MWL_TXQ_LOCK(txq); 1371 STAILQ_INSERT_HEAD(&txq->free, bf, bf_list); 1372 txq->nfree++; 1373 MWL_TXQ_UNLOCK(txq); 1374 } 1375 1376 static void 1377 mwl_puttxbuf_tail(struct mwl_txq *txq, struct mwl_txbuf *bf) 1378 { 1379 bf->bf_m = NULL; 1380 bf->bf_node = NULL; 1381 MWL_TXQ_LOCK(txq); 1382 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list); 1383 txq->nfree++; 1384 MWL_TXQ_UNLOCK(txq); 1385 } 1386 1387 static void 1388 mwl_start(struct ifnet *ifp) 1389 { 1390 struct mwl_softc *sc = ifp->if_softc; 1391 struct ieee80211_node *ni; 1392 struct mwl_txbuf *bf; 1393 struct mbuf *m; 1394 struct mwl_txq *txq = NULL; /* XXX silence gcc */ 1395 int nqueued; 1396 1397 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->sc_invalid) 1398 return; 1399 nqueued = 0; 1400 for (;;) { 1401 bf = NULL; 1402 IFQ_DEQUEUE(&ifp->if_snd, m); 1403 if (m == NULL) 1404 break; 1405 /* 1406 * Grab the node for the destination. 1407 */ 1408 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1409 KASSERT(ni != NULL, ("no node")); 1410 m->m_pkthdr.rcvif = NULL; /* committed, clear ref */ 1411 /* 1412 * Grab a TX buffer and associated resources. 1413 * We honor the classification by the 802.11 layer. 1414 */ 1415 txq = sc->sc_ac2q[M_WME_GETAC(m)]; 1416 bf = mwl_gettxbuf(sc, txq); 1417 if (bf == NULL) { 1418 m_freem(m); 1419 ieee80211_free_node(ni); 1420 #ifdef MWL_TX_NODROP 1421 sc->sc_stats.mst_tx_qstop++; 1422 /* XXX blocks other traffic */ 1423 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1424 break; 1425 #else 1426 DPRINTF(sc, MWL_DEBUG_XMIT, 1427 "%s: tail drop on q %d\n", __func__, txq->qnum); 1428 sc->sc_stats.mst_tx_qdrop++; 1429 continue; 1430 #endif /* MWL_TX_NODROP */ 1431 } 1432 1433 /* 1434 * Pass the frame to the h/w for transmission. 1435 */ 1436 if (mwl_tx_start(sc, ni, bf, m)) { 1437 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1438 mwl_puttxbuf_head(txq, bf); 1439 ieee80211_free_node(ni); 1440 continue; 1441 } 1442 nqueued++; 1443 if (nqueued >= mwl_txcoalesce) { 1444 /* 1445 * Poke the firmware to process queued frames; 1446 * see below about (lack of) locking. 1447 */ 1448 nqueued = 0; 1449 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/); 1450 } 1451 } 1452 if (nqueued) { 1453 /* 1454 * NB: We don't need to lock against tx done because 1455 * this just prods the firmware to check the transmit 1456 * descriptors. The firmware will also start fetching 1457 * descriptors by itself if it notices new ones are 1458 * present when it goes to deliver a tx done interrupt 1459 * to the host. So if we race with tx done processing 1460 * it's ok. Delivering the kick here rather than in 1461 * mwl_tx_start is an optimization to avoid poking the 1462 * firmware for each packet. 1463 * 1464 * NB: the queue id isn't used so 0 is ok. 1465 */ 1466 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/); 1467 } 1468 } 1469 1470 static int 1471 mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1472 const struct ieee80211_bpf_params *params) 1473 { 1474 struct ieee80211com *ic = ni->ni_ic; 1475 struct ifnet *ifp = ic->ic_ifp; 1476 struct mwl_softc *sc = ifp->if_softc; 1477 struct mwl_txbuf *bf; 1478 struct mwl_txq *txq; 1479 1480 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->sc_invalid) { 1481 ieee80211_free_node(ni); 1482 m_freem(m); 1483 return ENETDOWN; 1484 } 1485 /* 1486 * Grab a TX buffer and associated resources. 1487 * Note that we depend on the classification 1488 * by the 802.11 layer to get to the right h/w 1489 * queue. Management frames must ALWAYS go on 1490 * queue 1 but we cannot just force that here 1491 * because we may receive non-mgt frames. 1492 */ 1493 txq = sc->sc_ac2q[M_WME_GETAC(m)]; 1494 bf = mwl_gettxbuf(sc, txq); 1495 if (bf == NULL) { 1496 sc->sc_stats.mst_tx_qstop++; 1497 /* XXX blocks other traffic */ 1498 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1499 ieee80211_free_node(ni); 1500 m_freem(m); 1501 return ENOBUFS; 1502 } 1503 /* 1504 * Pass the frame to the h/w for transmission. 1505 */ 1506 if (mwl_tx_start(sc, ni, bf, m)) { 1507 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1508 mwl_puttxbuf_head(txq, bf); 1509 1510 ieee80211_free_node(ni); 1511 return EIO; /* XXX */ 1512 } 1513 /* 1514 * NB: We don't need to lock against tx done because 1515 * this just prods the firmware to check the transmit 1516 * descriptors. The firmware will also start fetching 1517 * descriptors by itself if it notices new ones are 1518 * present when it goes to deliver a tx done interrupt 1519 * to the host. So if we race with tx done processing 1520 * it's ok. Delivering the kick here rather than in 1521 * mwl_tx_start is an optimization to avoid poking the 1522 * firmware for each packet. 1523 * 1524 * NB: the queue id isn't used so 0 is ok. 1525 */ 1526 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/); 1527 return 0; 1528 } 1529 1530 static int 1531 mwl_media_change(struct ifnet *ifp) 1532 { 1533 struct ieee80211vap *vap = ifp->if_softc; 1534 int error; 1535 1536 error = ieee80211_media_change(ifp); 1537 /* NB: only the fixed rate can change and that doesn't need a reset */ 1538 if (error == ENETRESET) { 1539 mwl_setrates(vap); 1540 error = 0; 1541 } 1542 return error; 1543 } 1544 1545 #ifdef MWL_DEBUG 1546 static void 1547 mwl_keyprint(struct mwl_softc *sc, const char *tag, 1548 const MWL_HAL_KEYVAL *hk, const uint8_t mac[IEEE80211_ADDR_LEN]) 1549 { 1550 static const char *ciphers[] = { 1551 "WEP", 1552 "TKIP", 1553 "AES-CCM", 1554 }; 1555 int i, n; 1556 1557 printf("%s: [%u] %-7s", tag, hk->keyIndex, ciphers[hk->keyTypeId]); 1558 for (i = 0, n = hk->keyLen; i < n; i++) 1559 printf(" %02x", hk->key.aes[i]); 1560 printf(" mac %s", ether_sprintf(mac)); 1561 if (hk->keyTypeId == KEY_TYPE_ID_TKIP) { 1562 printf(" %s", "rxmic"); 1563 for (i = 0; i < sizeof(hk->key.tkip.rxMic); i++) 1564 printf(" %02x", hk->key.tkip.rxMic[i]); 1565 printf(" txmic"); 1566 for (i = 0; i < sizeof(hk->key.tkip.txMic); i++) 1567 printf(" %02x", hk->key.tkip.txMic[i]); 1568 } 1569 printf(" flags 0x%x\n", hk->keyFlags); 1570 } 1571 #endif 1572 1573 /* 1574 * Allocate a key cache slot for a unicast key. The 1575 * firmware handles key allocation and every station is 1576 * guaranteed key space so we are always successful. 1577 */ 1578 static int 1579 mwl_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 1580 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 1581 { 1582 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc; 1583 1584 if (k->wk_keyix != IEEE80211_KEYIX_NONE || 1585 (k->wk_flags & IEEE80211_KEY_GROUP)) { 1586 if (!(&vap->iv_nw_keys[0] <= k && 1587 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 1588 /* should not happen */ 1589 DPRINTF(sc, MWL_DEBUG_KEYCACHE, 1590 "%s: bogus group key\n", __func__); 1591 return 0; 1592 } 1593 /* give the caller what they requested */ 1594 *keyix = *rxkeyix = k - vap->iv_nw_keys; 1595 } else { 1596 /* 1597 * Firmware handles key allocation. 1598 */ 1599 *keyix = *rxkeyix = 0; 1600 } 1601 return 1; 1602 } 1603 1604 /* 1605 * Delete a key entry allocated by mwl_key_alloc. 1606 */ 1607 static int 1608 mwl_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 1609 { 1610 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc; 1611 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1612 MWL_HAL_KEYVAL hk; 1613 const uint8_t bcastaddr[IEEE80211_ADDR_LEN] = 1614 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1615 1616 if (hvap == NULL) { 1617 if (vap->iv_opmode != IEEE80211_M_WDS) { 1618 /* XXX monitor mode? */ 1619 DPRINTF(sc, MWL_DEBUG_KEYCACHE, 1620 "%s: no hvap for opmode %d\n", __func__, 1621 vap->iv_opmode); 1622 return 0; 1623 } 1624 hvap = MWL_VAP(vap)->mv_ap_hvap; 1625 } 1626 1627 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: delete key %u\n", 1628 __func__, k->wk_keyix); 1629 1630 memset(&hk, 0, sizeof(hk)); 1631 hk.keyIndex = k->wk_keyix; 1632 switch (k->wk_cipher->ic_cipher) { 1633 case IEEE80211_CIPHER_WEP: 1634 hk.keyTypeId = KEY_TYPE_ID_WEP; 1635 break; 1636 case IEEE80211_CIPHER_TKIP: 1637 hk.keyTypeId = KEY_TYPE_ID_TKIP; 1638 break; 1639 case IEEE80211_CIPHER_AES_CCM: 1640 hk.keyTypeId = KEY_TYPE_ID_AES; 1641 break; 1642 default: 1643 /* XXX should not happen */ 1644 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n", 1645 __func__, k->wk_cipher->ic_cipher); 1646 return 0; 1647 } 1648 return (mwl_hal_keyreset(hvap, &hk, bcastaddr) == 0); /*XXX*/ 1649 } 1650 1651 static __inline int 1652 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k) 1653 { 1654 if (k->wk_flags & IEEE80211_KEY_GROUP) { 1655 if (k->wk_flags & IEEE80211_KEY_XMIT) 1656 hk->keyFlags |= KEY_FLAG_TXGROUPKEY; 1657 if (k->wk_flags & IEEE80211_KEY_RECV) 1658 hk->keyFlags |= KEY_FLAG_RXGROUPKEY; 1659 return 1; 1660 } else 1661 return 0; 1662 } 1663 1664 /* 1665 * Set the key cache contents for the specified key. Key cache 1666 * slot(s) must already have been allocated by mwl_key_alloc. 1667 */ 1668 static int 1669 mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 1670 const uint8_t mac[IEEE80211_ADDR_LEN]) 1671 { 1672 #define GRPXMIT (IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP) 1673 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */ 1674 #define IEEE80211_IS_STATICKEY(k) \ 1675 (((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \ 1676 (GRPXMIT|IEEE80211_KEY_RECV)) 1677 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc; 1678 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1679 const struct ieee80211_cipher *cip = k->wk_cipher; 1680 const uint8_t *macaddr; 1681 MWL_HAL_KEYVAL hk; 1682 1683 KASSERT((k->wk_flags & IEEE80211_KEY_SWCRYPT) == 0, 1684 ("s/w crypto set?")); 1685 1686 if (hvap == NULL) { 1687 if (vap->iv_opmode != IEEE80211_M_WDS) { 1688 /* XXX monitor mode? */ 1689 DPRINTF(sc, MWL_DEBUG_KEYCACHE, 1690 "%s: no hvap for opmode %d\n", __func__, 1691 vap->iv_opmode); 1692 return 0; 1693 } 1694 hvap = MWL_VAP(vap)->mv_ap_hvap; 1695 } 1696 memset(&hk, 0, sizeof(hk)); 1697 hk.keyIndex = k->wk_keyix; 1698 switch (cip->ic_cipher) { 1699 case IEEE80211_CIPHER_WEP: 1700 hk.keyTypeId = KEY_TYPE_ID_WEP; 1701 hk.keyLen = k->wk_keylen; 1702 if (k->wk_keyix == vap->iv_def_txkey) 1703 hk.keyFlags = KEY_FLAG_WEP_TXKEY; 1704 if (!IEEE80211_IS_STATICKEY(k)) { 1705 /* NB: WEP is never used for the PTK */ 1706 (void) addgroupflags(&hk, k); 1707 } 1708 break; 1709 case IEEE80211_CIPHER_TKIP: 1710 hk.keyTypeId = KEY_TYPE_ID_TKIP; 1711 hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16); 1712 hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc; 1713 hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID; 1714 hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE; 1715 if (!addgroupflags(&hk, k)) 1716 hk.keyFlags |= KEY_FLAG_PAIRWISE; 1717 break; 1718 case IEEE80211_CIPHER_AES_CCM: 1719 hk.keyTypeId = KEY_TYPE_ID_AES; 1720 hk.keyLen = k->wk_keylen; 1721 if (!addgroupflags(&hk, k)) 1722 hk.keyFlags |= KEY_FLAG_PAIRWISE; 1723 break; 1724 default: 1725 /* XXX should not happen */ 1726 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n", 1727 __func__, k->wk_cipher->ic_cipher); 1728 return 0; 1729 } 1730 /* 1731 * NB: tkip mic keys get copied here too; the layout 1732 * just happens to match that in ieee80211_key. 1733 */ 1734 memcpy(hk.key.aes, k->wk_key, hk.keyLen); 1735 1736 /* 1737 * Locate address of sta db entry for writing key; 1738 * the convention unfortunately is somewhat different 1739 * than how net80211, hostapd, and wpa_supplicant think. 1740 */ 1741 if (vap->iv_opmode == IEEE80211_M_STA) { 1742 /* 1743 * NB: keys plumbed before the sta reaches AUTH state 1744 * will be discarded or written to the wrong sta db 1745 * entry because iv_bss is meaningless. This is ok 1746 * (right now) because we handle deferred plumbing of 1747 * WEP keys when the sta reaches AUTH state. 1748 */ 1749 macaddr = vap->iv_bss->ni_bssid; 1750 if ((k->wk_flags & IEEE80211_KEY_GROUP) == 0) { 1751 /* XXX plumb to local sta db too for static key wep */ 1752 mwl_hal_keyset(hvap, &hk, vap->iv_myaddr); 1753 } 1754 } else if (vap->iv_opmode == IEEE80211_M_WDS && 1755 vap->iv_state != IEEE80211_S_RUN) { 1756 /* 1757 * Prior to RUN state a WDS vap will not it's BSS node 1758 * setup so we will plumb the key to the wrong mac 1759 * address (it'll be our local address). Workaround 1760 * this for the moment by grabbing the correct address. 1761 */ 1762 macaddr = vap->iv_des_bssid; 1763 } else if ((k->wk_flags & GRPXMIT) == GRPXMIT) 1764 macaddr = vap->iv_myaddr; 1765 else 1766 macaddr = mac; 1767 KEYPRINTF(sc, &hk, macaddr); 1768 return (mwl_hal_keyset(hvap, &hk, macaddr) == 0); 1769 #undef IEEE80211_IS_STATICKEY 1770 #undef GRPXMIT 1771 } 1772 1773 /* unaligned little endian access */ 1774 #define LE_READ_2(p) \ 1775 ((uint16_t) \ 1776 ((((const uint8_t *)(p))[0] ) | \ 1777 (((const uint8_t *)(p))[1] << 8))) 1778 #define LE_READ_4(p) \ 1779 ((uint32_t) \ 1780 ((((const uint8_t *)(p))[0] ) | \ 1781 (((const uint8_t *)(p))[1] << 8) | \ 1782 (((const uint8_t *)(p))[2] << 16) | \ 1783 (((const uint8_t *)(p))[3] << 24))) 1784 1785 /* 1786 * Set the multicast filter contents into the hardware. 1787 * XXX f/w has no support; just defer to the os. 1788 */ 1789 static void 1790 mwl_setmcastfilter(struct mwl_softc *sc) 1791 { 1792 struct ifnet *ifp = sc->sc_ifp; 1793 #if 0 1794 struct ether_multi *enm; 1795 struct ether_multistep estep; 1796 uint8_t macs[IEEE80211_ADDR_LEN*MWL_HAL_MCAST_MAX];/* XXX stack use */ 1797 uint8_t *mp; 1798 int nmc; 1799 1800 mp = macs; 1801 nmc = 0; 1802 ETHER_FIRST_MULTI(estep, &sc->sc_ec, enm); 1803 while (enm != NULL) { 1804 /* XXX Punt on ranges. */ 1805 if (nmc == MWL_HAL_MCAST_MAX || 1806 !IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi)) { 1807 ifp->if_flags |= IFF_ALLMULTI; 1808 return; 1809 } 1810 IEEE80211_ADDR_COPY(mp, enm->enm_addrlo); 1811 mp += IEEE80211_ADDR_LEN, nmc++; 1812 ETHER_NEXT_MULTI(estep, enm); 1813 } 1814 ifp->if_flags &= ~IFF_ALLMULTI; 1815 mwl_hal_setmcast(sc->sc_mh, nmc, macs); 1816 #else 1817 /* XXX no mcast filter support; we get everything */ 1818 ifp->if_flags |= IFF_ALLMULTI; 1819 #endif 1820 } 1821 1822 static int 1823 mwl_mode_init(struct mwl_softc *sc) 1824 { 1825 struct ifnet *ifp = sc->sc_ifp; 1826 struct ieee80211com *ic = ifp->if_l2com; 1827 struct mwl_hal *mh = sc->sc_mh; 1828 1829 /* 1830 * NB: Ignore promisc in hostap mode; it's set by the 1831 * bridge. This is wrong but we have no way to 1832 * identify internal requests (from the bridge) 1833 * versus external requests such as for tcpdump. 1834 */ 1835 mwl_hal_setpromisc(mh, (ifp->if_flags & IFF_PROMISC) && 1836 ic->ic_opmode != IEEE80211_M_HOSTAP); 1837 mwl_setmcastfilter(sc); 1838 1839 return 0; 1840 } 1841 1842 /* 1843 * Callback from the 802.11 layer after a multicast state change. 1844 */ 1845 static void 1846 mwl_update_mcast(struct ifnet *ifp) 1847 { 1848 struct mwl_softc *sc = ifp->if_softc; 1849 1850 mwl_setmcastfilter(sc); 1851 } 1852 1853 /* 1854 * Callback from the 802.11 layer after a promiscuous mode change. 1855 * Note this interface does not check the operating mode as this 1856 * is an internal callback and we are expected to honor the current 1857 * state (e.g. this is used for setting the interface in promiscuous 1858 * mode when operating in hostap mode to do ACS). 1859 */ 1860 static void 1861 mwl_update_promisc(struct ifnet *ifp) 1862 { 1863 struct mwl_softc *sc = ifp->if_softc; 1864 1865 mwl_hal_setpromisc(sc->sc_mh, (ifp->if_flags & IFF_PROMISC) != 0); 1866 } 1867 1868 /* 1869 * Callback from the 802.11 layer to update the slot time 1870 * based on the current setting. We use it to notify the 1871 * firmware of ERP changes and the f/w takes care of things 1872 * like slot time and preamble. 1873 */ 1874 static void 1875 mwl_updateslot(struct ifnet *ifp) 1876 { 1877 struct mwl_softc *sc = ifp->if_softc; 1878 struct ieee80211com *ic = ifp->if_l2com; 1879 struct mwl_hal *mh = sc->sc_mh; 1880 int prot; 1881 1882 /* NB: can be called early; suppress needless cmds */ 1883 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1884 return; 1885 1886 /* 1887 * Calculate the ERP flags. The firwmare will use 1888 * this to carry out the appropriate measures. 1889 */ 1890 prot = 0; 1891 if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) { 1892 if ((ic->ic_flags & IEEE80211_F_SHSLOT) == 0) 1893 prot |= IEEE80211_ERP_NON_ERP_PRESENT; 1894 if (ic->ic_flags & IEEE80211_F_USEPROT) 1895 prot |= IEEE80211_ERP_USE_PROTECTION; 1896 if (ic->ic_flags & IEEE80211_F_USEBARKER) 1897 prot |= IEEE80211_ERP_LONG_PREAMBLE; 1898 } 1899 1900 DPRINTF(sc, MWL_DEBUG_RESET, 1901 "%s: chan %u MHz/flags 0x%x %s slot, (prot 0x%x ic_flags 0x%x)\n", 1902 __func__, ic->ic_curchan->ic_freq, ic->ic_curchan->ic_flags, 1903 ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", prot, 1904 ic->ic_flags); 1905 1906 mwl_hal_setgprot(mh, prot); 1907 } 1908 1909 /* 1910 * Setup the beacon frame. 1911 */ 1912 static int 1913 mwl_beacon_setup(struct ieee80211vap *vap) 1914 { 1915 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1916 struct ieee80211_node *ni = vap->iv_bss; 1917 struct ieee80211_beacon_offsets bo; 1918 struct mbuf *m; 1919 1920 m = ieee80211_beacon_alloc(ni, &bo); 1921 if (m == NULL) 1922 return ENOBUFS; 1923 mwl_hal_setbeacon(hvap, mtod(m, const void *), m->m_len); 1924 m_free(m); 1925 1926 return 0; 1927 } 1928 1929 /* 1930 * Update the beacon frame in response to a change. 1931 */ 1932 static void 1933 mwl_beacon_update(struct ieee80211vap *vap, int item) 1934 { 1935 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 1936 struct ieee80211com *ic = vap->iv_ic; 1937 1938 KASSERT(hvap != NULL, ("no beacon")); 1939 switch (item) { 1940 case IEEE80211_BEACON_ERP: 1941 mwl_updateslot(ic->ic_ifp); 1942 break; 1943 case IEEE80211_BEACON_HTINFO: 1944 mwl_hal_setnprotmode(hvap, 1945 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE)); 1946 break; 1947 case IEEE80211_BEACON_CAPS: 1948 case IEEE80211_BEACON_WME: 1949 case IEEE80211_BEACON_APPIE: 1950 case IEEE80211_BEACON_CSA: 1951 break; 1952 case IEEE80211_BEACON_TIM: 1953 /* NB: firmware always forms TIM */ 1954 return; 1955 } 1956 /* XXX retain beacon frame and update */ 1957 mwl_beacon_setup(vap); 1958 } 1959 1960 static void 1961 mwl_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1962 { 1963 bus_addr_t *paddr = (bus_addr_t*) arg; 1964 KASSERT(error == 0, ("error %u on bus_dma callback", error)); 1965 *paddr = segs->ds_addr; 1966 } 1967 1968 #ifdef MWL_HOST_PS_SUPPORT 1969 /* 1970 * Handle power save station occupancy changes. 1971 */ 1972 static void 1973 mwl_update_ps(struct ieee80211vap *vap, int nsta) 1974 { 1975 struct mwl_vap *mvp = MWL_VAP(vap); 1976 1977 if (nsta == 0 || mvp->mv_last_ps_sta == 0) 1978 mwl_hal_setpowersave_bss(mvp->mv_hvap, nsta); 1979 mvp->mv_last_ps_sta = nsta; 1980 } 1981 1982 /* 1983 * Handle associated station power save state changes. 1984 */ 1985 static int 1986 mwl_set_tim(struct ieee80211_node *ni, int set) 1987 { 1988 struct ieee80211vap *vap = ni->ni_vap; 1989 struct mwl_vap *mvp = MWL_VAP(vap); 1990 1991 if (mvp->mv_set_tim(ni, set)) { /* NB: state change */ 1992 mwl_hal_setpowersave_sta(mvp->mv_hvap, 1993 IEEE80211_AID(ni->ni_associd), set); 1994 return 1; 1995 } else 1996 return 0; 1997 } 1998 #endif /* MWL_HOST_PS_SUPPORT */ 1999 2000 static int 2001 mwl_desc_setup(struct mwl_softc *sc, const char *name, 2002 struct mwl_descdma *dd, 2003 int nbuf, size_t bufsize, int ndesc, size_t descsize) 2004 { 2005 struct ifnet *ifp = sc->sc_ifp; 2006 uint8_t *ds; 2007 int error; 2008 2009 DPRINTF(sc, MWL_DEBUG_RESET, 2010 "%s: %s DMA: %u bufs (%ju) %u desc/buf (%ju)\n", 2011 __func__, name, nbuf, (uintmax_t) bufsize, 2012 ndesc, (uintmax_t) descsize); 2013 2014 dd->dd_name = name; 2015 dd->dd_desc_len = nbuf * ndesc * descsize; 2016 2017 /* 2018 * Setup DMA descriptor area. 2019 */ 2020 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), /* parent */ 2021 PAGE_SIZE, 0, /* alignment, bounds */ 2022 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 2023 BUS_SPACE_MAXADDR, /* highaddr */ 2024 NULL, NULL, /* filter, filterarg */ 2025 dd->dd_desc_len, /* maxsize */ 2026 1, /* nsegments */ 2027 dd->dd_desc_len, /* maxsegsize */ 2028 BUS_DMA_ALLOCNOW, /* flags */ 2029 NULL, /* lockfunc */ 2030 NULL, /* lockarg */ 2031 &dd->dd_dmat); 2032 if (error != 0) { 2033 if_printf(ifp, "cannot allocate %s DMA tag\n", dd->dd_name); 2034 return error; 2035 } 2036 2037 /* allocate descriptors */ 2038 error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc, 2039 BUS_DMA_NOWAIT | BUS_DMA_COHERENT, 2040 &dd->dd_dmamap); 2041 if (error != 0) { 2042 if_printf(ifp, "unable to alloc memory for %u %s descriptors, " 2043 "error %u\n", nbuf * ndesc, dd->dd_name, error); 2044 goto fail1; 2045 } 2046 2047 error = bus_dmamap_load(dd->dd_dmat, dd->dd_dmamap, 2048 dd->dd_desc, dd->dd_desc_len, 2049 mwl_load_cb, &dd->dd_desc_paddr, 2050 BUS_DMA_NOWAIT); 2051 if (error != 0) { 2052 if_printf(ifp, "unable to map %s descriptors, error %u\n", 2053 dd->dd_name, error); 2054 goto fail2; 2055 } 2056 2057 ds = dd->dd_desc; 2058 memset(ds, 0, dd->dd_desc_len); 2059 DPRINTF(sc, MWL_DEBUG_RESET, 2060 "%s: %s DMA map: %p (%lu) -> 0x%jx (%lu)\n", 2061 __func__, dd->dd_name, ds, (u_long) dd->dd_desc_len, 2062 (uintmax_t) dd->dd_desc_paddr, /*XXX*/ (u_long) dd->dd_desc_len); 2063 2064 return 0; 2065 fail2: 2066 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap); 2067 fail1: 2068 bus_dma_tag_destroy(dd->dd_dmat); 2069 memset(dd, 0, sizeof(*dd)); 2070 return error; 2071 #undef DS2PHYS 2072 } 2073 2074 static void 2075 mwl_desc_cleanup(struct mwl_softc *sc, struct mwl_descdma *dd) 2076 { 2077 bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap); 2078 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap); 2079 bus_dma_tag_destroy(dd->dd_dmat); 2080 2081 memset(dd, 0, sizeof(*dd)); 2082 } 2083 2084 /* 2085 * Construct a tx q's free list. The order of entries on 2086 * the list must reflect the physical layout of tx descriptors 2087 * because the firmware pre-fetches descriptors. 2088 * 2089 * XXX might be better to use indices into the buffer array. 2090 */ 2091 static void 2092 mwl_txq_reset(struct mwl_softc *sc, struct mwl_txq *txq) 2093 { 2094 struct mwl_txbuf *bf; 2095 int i; 2096 2097 bf = txq->dma.dd_bufptr; 2098 STAILQ_INIT(&txq->free); 2099 for (i = 0; i < mwl_txbuf; i++, bf++) 2100 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list); 2101 txq->nfree = i; 2102 } 2103 2104 #define DS2PHYS(_dd, _ds) \ 2105 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) 2106 2107 static int 2108 mwl_txdma_setup(struct mwl_softc *sc, struct mwl_txq *txq) 2109 { 2110 struct ifnet *ifp = sc->sc_ifp; 2111 int error, bsize, i; 2112 struct mwl_txbuf *bf; 2113 struct mwl_txdesc *ds; 2114 2115 error = mwl_desc_setup(sc, "tx", &txq->dma, 2116 mwl_txbuf, sizeof(struct mwl_txbuf), 2117 MWL_TXDESC, sizeof(struct mwl_txdesc)); 2118 if (error != 0) 2119 return error; 2120 2121 /* allocate and setup tx buffers */ 2122 bsize = mwl_txbuf * sizeof(struct mwl_txbuf); 2123 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO); 2124 if (bf == NULL) { 2125 if_printf(ifp, "malloc of %u tx buffers failed\n", 2126 mwl_txbuf); 2127 return ENOMEM; 2128 } 2129 txq->dma.dd_bufptr = bf; 2130 2131 ds = txq->dma.dd_desc; 2132 for (i = 0; i < mwl_txbuf; i++, bf++, ds += MWL_TXDESC) { 2133 bf->bf_desc = ds; 2134 bf->bf_daddr = DS2PHYS(&txq->dma, ds); 2135 error = bus_dmamap_create(sc->sc_dmat, BUS_DMA_NOWAIT, 2136 &bf->bf_dmamap); 2137 if (error != 0) { 2138 if_printf(ifp, "unable to create dmamap for tx " 2139 "buffer %u, error %u\n", i, error); 2140 return error; 2141 } 2142 } 2143 mwl_txq_reset(sc, txq); 2144 return 0; 2145 } 2146 2147 static void 2148 mwl_txdma_cleanup(struct mwl_softc *sc, struct mwl_txq *txq) 2149 { 2150 struct mwl_txbuf *bf; 2151 int i; 2152 2153 bf = txq->dma.dd_bufptr; 2154 for (i = 0; i < mwl_txbuf; i++, bf++) { 2155 KASSERT(bf->bf_m == NULL, ("mbuf on free list")); 2156 KASSERT(bf->bf_node == NULL, ("node on free list")); 2157 if (bf->bf_dmamap != NULL) 2158 bus_dmamap_destroy(sc->sc_dmat, bf->bf_dmamap); 2159 } 2160 STAILQ_INIT(&txq->free); 2161 txq->nfree = 0; 2162 if (txq->dma.dd_bufptr != NULL) { 2163 free(txq->dma.dd_bufptr, M_MWLDEV); 2164 txq->dma.dd_bufptr = NULL; 2165 } 2166 if (txq->dma.dd_desc_len != 0) 2167 mwl_desc_cleanup(sc, &txq->dma); 2168 } 2169 2170 static int 2171 mwl_rxdma_setup(struct mwl_softc *sc) 2172 { 2173 struct ifnet *ifp = sc->sc_ifp; 2174 int error, jumbosize, bsize, i; 2175 struct mwl_rxbuf *bf; 2176 struct mwl_jumbo *rbuf; 2177 struct mwl_rxdesc *ds; 2178 caddr_t data; 2179 2180 error = mwl_desc_setup(sc, "rx", &sc->sc_rxdma, 2181 mwl_rxdesc, sizeof(struct mwl_rxbuf), 2182 1, sizeof(struct mwl_rxdesc)); 2183 if (error != 0) 2184 return error; 2185 2186 /* 2187 * Receive is done to a private pool of jumbo buffers. 2188 * This allows us to attach to mbuf's and avoid re-mapping 2189 * memory on each rx we post. We allocate a large chunk 2190 * of memory and manage it in the driver. The mbuf free 2191 * callback method is used to reclaim frames after sending 2192 * them up the stack. By default we allocate 2x the number of 2193 * rx descriptors configured so we have some slop to hold 2194 * us while frames are processed. 2195 */ 2196 if (mwl_rxbuf < 2*mwl_rxdesc) { 2197 if_printf(ifp, 2198 "too few rx dma buffers (%d); increasing to %d\n", 2199 mwl_rxbuf, 2*mwl_rxdesc); 2200 mwl_rxbuf = 2*mwl_rxdesc; 2201 } 2202 jumbosize = roundup(MWL_AGGR_SIZE, PAGE_SIZE); 2203 sc->sc_rxmemsize = mwl_rxbuf*jumbosize; 2204 2205 error = bus_dma_tag_create(sc->sc_dmat, /* parent */ 2206 PAGE_SIZE, 0, /* alignment, bounds */ 2207 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 2208 BUS_SPACE_MAXADDR, /* highaddr */ 2209 NULL, NULL, /* filter, filterarg */ 2210 sc->sc_rxmemsize, /* maxsize */ 2211 1, /* nsegments */ 2212 sc->sc_rxmemsize, /* maxsegsize */ 2213 BUS_DMA_ALLOCNOW, /* flags */ 2214 NULL, /* lockfunc */ 2215 NULL, /* lockarg */ 2216 &sc->sc_rxdmat); 2217 if (error != 0) { 2218 if_printf(ifp, "could not create rx DMA tag\n"); 2219 return error; 2220 } 2221 2222 error = bus_dmamem_alloc(sc->sc_rxdmat, (void**) &sc->sc_rxmem, 2223 BUS_DMA_NOWAIT | BUS_DMA_COHERENT, 2224 &sc->sc_rxmap); 2225 if (error != 0) { 2226 if_printf(ifp, "could not alloc %ju bytes of rx DMA memory\n", 2227 (uintmax_t) sc->sc_rxmemsize); 2228 return error; 2229 } 2230 2231 error = bus_dmamap_load(sc->sc_rxdmat, sc->sc_rxmap, 2232 sc->sc_rxmem, sc->sc_rxmemsize, 2233 mwl_load_cb, &sc->sc_rxmem_paddr, 2234 BUS_DMA_NOWAIT); 2235 if (error != 0) { 2236 if_printf(ifp, "could not load rx DMA map\n"); 2237 return error; 2238 } 2239 2240 /* 2241 * Allocate rx buffers and set them up. 2242 */ 2243 bsize = mwl_rxdesc * sizeof(struct mwl_rxbuf); 2244 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO); 2245 if (bf == NULL) { 2246 if_printf(ifp, "malloc of %u rx buffers failed\n", bsize); 2247 return error; 2248 } 2249 sc->sc_rxdma.dd_bufptr = bf; 2250 2251 STAILQ_INIT(&sc->sc_rxbuf); 2252 ds = sc->sc_rxdma.dd_desc; 2253 for (i = 0; i < mwl_rxdesc; i++, bf++, ds++) { 2254 bf->bf_desc = ds; 2255 bf->bf_daddr = DS2PHYS(&sc->sc_rxdma, ds); 2256 /* pre-assign dma buffer */ 2257 bf->bf_data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize); 2258 /* NB: tail is intentional to preserve descriptor order */ 2259 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list); 2260 } 2261 2262 /* 2263 * Place remainder of dma memory buffers on the free list. 2264 */ 2265 SLIST_INIT(&sc->sc_rxfree); 2266 for (; i < mwl_rxbuf; i++) { 2267 data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize); 2268 rbuf = MWL_JUMBO_DATA2BUF(data); 2269 SLIST_INSERT_HEAD(&sc->sc_rxfree, rbuf, next); 2270 sc->sc_nrxfree++; 2271 } 2272 return 0; 2273 } 2274 #undef DS2PHYS 2275 2276 static void 2277 mwl_rxdma_cleanup(struct mwl_softc *sc) 2278 { 2279 if (sc->sc_rxmem_paddr != 0) { 2280 bus_dmamap_unload(sc->sc_rxdmat, sc->sc_rxmap); 2281 sc->sc_rxmem_paddr = 0; 2282 } 2283 if (sc->sc_rxmem != NULL) { 2284 bus_dmamem_free(sc->sc_rxdmat, sc->sc_rxmem, sc->sc_rxmap); 2285 sc->sc_rxmem = NULL; 2286 } 2287 if (sc->sc_rxdma.dd_bufptr != NULL) { 2288 free(sc->sc_rxdma.dd_bufptr, M_MWLDEV); 2289 sc->sc_rxdma.dd_bufptr = NULL; 2290 } 2291 if (sc->sc_rxdma.dd_desc_len != 0) 2292 mwl_desc_cleanup(sc, &sc->sc_rxdma); 2293 } 2294 2295 static int 2296 mwl_dma_setup(struct mwl_softc *sc) 2297 { 2298 int error, i; 2299 2300 error = mwl_rxdma_setup(sc); 2301 if (error != 0) { 2302 mwl_rxdma_cleanup(sc); 2303 return error; 2304 } 2305 2306 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) { 2307 error = mwl_txdma_setup(sc, &sc->sc_txq[i]); 2308 if (error != 0) { 2309 mwl_dma_cleanup(sc); 2310 return error; 2311 } 2312 } 2313 return 0; 2314 } 2315 2316 static void 2317 mwl_dma_cleanup(struct mwl_softc *sc) 2318 { 2319 int i; 2320 2321 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) 2322 mwl_txdma_cleanup(sc, &sc->sc_txq[i]); 2323 mwl_rxdma_cleanup(sc); 2324 } 2325 2326 static struct ieee80211_node * 2327 mwl_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 2328 { 2329 struct ieee80211com *ic = vap->iv_ic; 2330 struct mwl_softc *sc = ic->ic_ifp->if_softc; 2331 const size_t space = sizeof(struct mwl_node); 2332 struct mwl_node *mn; 2333 2334 mn = malloc(space, M_80211_NODE, M_NOWAIT|M_ZERO); 2335 if (mn == NULL) { 2336 /* XXX stat+msg */ 2337 return NULL; 2338 } 2339 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mn %p\n", __func__, mn); 2340 return &mn->mn_node; 2341 } 2342 2343 static void 2344 mwl_node_cleanup(struct ieee80211_node *ni) 2345 { 2346 struct ieee80211com *ic = ni->ni_ic; 2347 struct mwl_softc *sc = ic->ic_ifp->if_softc; 2348 struct mwl_node *mn = MWL_NODE(ni); 2349 2350 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p ic %p staid %d\n", 2351 __func__, ni, ni->ni_ic, mn->mn_staid); 2352 2353 if (mn->mn_staid != 0) { 2354 struct ieee80211vap *vap = ni->ni_vap; 2355 2356 if (mn->mn_hvap != NULL) { 2357 if (vap->iv_opmode == IEEE80211_M_STA) 2358 mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr); 2359 else 2360 mwl_hal_delstation(mn->mn_hvap, ni->ni_macaddr); 2361 } 2362 /* 2363 * NB: legacy WDS peer sta db entry is installed using 2364 * the associate ap's hvap; use it again to delete it. 2365 * XXX can vap be NULL? 2366 */ 2367 else if (vap->iv_opmode == IEEE80211_M_WDS && 2368 MWL_VAP(vap)->mv_ap_hvap != NULL) 2369 mwl_hal_delstation(MWL_VAP(vap)->mv_ap_hvap, 2370 ni->ni_macaddr); 2371 delstaid(sc, mn->mn_staid); 2372 mn->mn_staid = 0; 2373 } 2374 sc->sc_node_cleanup(ni); 2375 } 2376 2377 /* 2378 * Reclaim rx dma buffers from packets sitting on the ampdu 2379 * reorder queue for a station. We replace buffers with a 2380 * system cluster (if available). 2381 */ 2382 static void 2383 mwl_ampdu_rxdma_reclaim(struct ieee80211_rx_ampdu *rap) 2384 { 2385 #if 0 2386 int i, n, off; 2387 struct mbuf *m; 2388 void *cl; 2389 2390 n = rap->rxa_qframes; 2391 for (i = 0; i < rap->rxa_wnd && n > 0; i++) { 2392 m = rap->rxa_m[i]; 2393 if (m == NULL) 2394 continue; 2395 n--; 2396 /* our dma buffers have a well-known free routine */ 2397 if ((m->m_flags & M_EXT) == 0 || 2398 m->m_ext.ext_free != mwl_ext_free) 2399 continue; 2400 /* 2401 * Try to allocate a cluster and move the data. 2402 */ 2403 off = m->m_data - m->m_ext.ext_buf; 2404 if (off + m->m_pkthdr.len > MCLBYTES) { 2405 /* XXX no AMSDU for now */ 2406 continue; 2407 } 2408 cl = pool_cache_get_paddr(&mclpool_cache, 0, 2409 &m->m_ext.ext_paddr); 2410 if (cl != NULL) { 2411 /* 2412 * Copy the existing data to the cluster, remove 2413 * the rx dma buffer, and attach the cluster in 2414 * its place. Note we preserve the offset to the 2415 * data so frames being bridged can still prepend 2416 * their headers without adding another mbuf. 2417 */ 2418 memcpy((caddr_t) cl + off, m->m_data, m->m_pkthdr.len); 2419 MEXTREMOVE(m); 2420 MEXTADD(m, cl, MCLBYTES, 0, NULL, &mclpool_cache); 2421 /* setup mbuf like _MCLGET does */ 2422 m->m_flags |= M_CLUSTER | M_EXT_RW; 2423 _MOWNERREF(m, M_EXT | M_CLUSTER); 2424 /* NB: m_data is clobbered by MEXTADDR, adjust */ 2425 m->m_data += off; 2426 } 2427 } 2428 #endif 2429 } 2430 2431 /* 2432 * Callback to reclaim resources. We first let the 2433 * net80211 layer do it's thing, then if we are still 2434 * blocked by a lack of rx dma buffers we walk the ampdu 2435 * reorder q's to reclaim buffers by copying to a system 2436 * cluster. 2437 */ 2438 static void 2439 mwl_node_drain(struct ieee80211_node *ni) 2440 { 2441 struct ieee80211com *ic = ni->ni_ic; 2442 struct mwl_softc *sc = ic->ic_ifp->if_softc; 2443 struct mwl_node *mn = MWL_NODE(ni); 2444 2445 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p vap %p staid %d\n", 2446 __func__, ni, ni->ni_vap, mn->mn_staid); 2447 2448 /* NB: call up first to age out ampdu q's */ 2449 sc->sc_node_drain(ni); 2450 2451 /* XXX better to not check low water mark? */ 2452 if (sc->sc_rxblocked && mn->mn_staid != 0 && 2453 (ni->ni_flags & IEEE80211_NODE_HT)) { 2454 uint8_t tid; 2455 /* 2456 * Walk the reorder q and reclaim rx dma buffers by copying 2457 * the packet contents into clusters. 2458 */ 2459 for (tid = 0; tid < WME_NUM_TID; tid++) { 2460 struct ieee80211_rx_ampdu *rap; 2461 2462 rap = &ni->ni_rx_ampdu[tid]; 2463 if ((rap->rxa_flags & IEEE80211_AGGR_XCHGPEND) == 0) 2464 continue; 2465 if (rap->rxa_qframes) 2466 mwl_ampdu_rxdma_reclaim(rap); 2467 } 2468 } 2469 } 2470 2471 static void 2472 mwl_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise) 2473 { 2474 *rssi = ni->ni_ic->ic_node_getrssi(ni); 2475 #ifdef MWL_ANT_INFO_SUPPORT 2476 #if 0 2477 /* XXX need to smooth data */ 2478 *noise = -MWL_NODE_CONST(ni)->mn_ai.nf; 2479 #else 2480 *noise = -95; /* XXX */ 2481 #endif 2482 #else 2483 *noise = -95; /* XXX */ 2484 #endif 2485 } 2486 2487 /* 2488 * Convert Hardware per-antenna rssi info to common format: 2489 * Let a1, a2, a3 represent the amplitudes per chain 2490 * Let amax represent max[a1, a2, a3] 2491 * Rssi1_dBm = RSSI_dBm + 20*log10(a1/amax) 2492 * Rssi1_dBm = RSSI_dBm + 20*log10(a1) - 20*log10(amax) 2493 * We store a table that is 4*20*log10(idx) - the extra 4 is to store or 2494 * maintain some extra precision. 2495 * 2496 * Values are stored in .5 db format capped at 127. 2497 */ 2498 static void 2499 mwl_node_getmimoinfo(const struct ieee80211_node *ni, 2500 struct ieee80211_mimo_info *mi) 2501 { 2502 #define CVT(_dst, _src) do { \ 2503 (_dst) = rssi + ((logdbtbl[_src] - logdbtbl[rssi_max]) >> 2); \ 2504 (_dst) = (_dst) > 64 ? 127 : ((_dst) << 1); \ 2505 } while (0) 2506 static const int8_t logdbtbl[32] = { 2507 0, 0, 24, 38, 48, 56, 62, 68, 2508 72, 76, 80, 83, 86, 89, 92, 94, 2509 96, 98, 100, 102, 104, 106, 107, 109, 2510 110, 112, 113, 115, 116, 117, 118, 119 2511 }; 2512 const struct mwl_node *mn = MWL_NODE_CONST(ni); 2513 uint8_t rssi = mn->mn_ai.rsvd1/2; /* XXX */ 2514 uint32_t rssi_max; 2515 2516 rssi_max = mn->mn_ai.rssi_a; 2517 if (mn->mn_ai.rssi_b > rssi_max) 2518 rssi_max = mn->mn_ai.rssi_b; 2519 if (mn->mn_ai.rssi_c > rssi_max) 2520 rssi_max = mn->mn_ai.rssi_c; 2521 2522 CVT(mi->rssi[0], mn->mn_ai.rssi_a); 2523 CVT(mi->rssi[1], mn->mn_ai.rssi_b); 2524 CVT(mi->rssi[2], mn->mn_ai.rssi_c); 2525 2526 mi->noise[0] = mn->mn_ai.nf_a; 2527 mi->noise[1] = mn->mn_ai.nf_b; 2528 mi->noise[2] = mn->mn_ai.nf_c; 2529 #undef CVT 2530 } 2531 2532 static __inline void * 2533 mwl_getrxdma(struct mwl_softc *sc) 2534 { 2535 struct mwl_jumbo *buf; 2536 void *data; 2537 2538 /* 2539 * Allocate from jumbo pool. 2540 */ 2541 MWL_RXFREE_LOCK(sc); 2542 buf = SLIST_FIRST(&sc->sc_rxfree); 2543 if (buf == NULL) { 2544 DPRINTF(sc, MWL_DEBUG_ANY, 2545 "%s: out of rx dma buffers\n", __func__); 2546 sc->sc_stats.mst_rx_nodmabuf++; 2547 data = NULL; 2548 } else { 2549 SLIST_REMOVE_HEAD(&sc->sc_rxfree, next); 2550 sc->sc_nrxfree--; 2551 data = MWL_JUMBO_BUF2DATA(buf); 2552 } 2553 MWL_RXFREE_UNLOCK(sc); 2554 return data; 2555 } 2556 2557 static __inline void 2558 mwl_putrxdma(struct mwl_softc *sc, void *data) 2559 { 2560 struct mwl_jumbo *buf; 2561 2562 /* XXX bounds check data */ 2563 MWL_RXFREE_LOCK(sc); 2564 buf = MWL_JUMBO_DATA2BUF(data); 2565 SLIST_INSERT_HEAD(&sc->sc_rxfree, buf, next); 2566 sc->sc_nrxfree++; 2567 MWL_RXFREE_UNLOCK(sc); 2568 } 2569 2570 static int 2571 mwl_rxbuf_init(struct mwl_softc *sc, struct mwl_rxbuf *bf) 2572 { 2573 struct mwl_rxdesc *ds; 2574 2575 ds = bf->bf_desc; 2576 if (bf->bf_data == NULL) { 2577 bf->bf_data = mwl_getrxdma(sc); 2578 if (bf->bf_data == NULL) { 2579 /* mark descriptor to be skipped */ 2580 ds->RxControl = EAGLE_RXD_CTRL_OS_OWN; 2581 /* NB: don't need PREREAD */ 2582 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREWRITE); 2583 sc->sc_stats.mst_rxbuf_failed++; 2584 return ENOMEM; 2585 } 2586 } 2587 /* 2588 * NB: DMA buffer contents is known to be unmodified 2589 * so there's no need to flush the data cache. 2590 */ 2591 2592 /* 2593 * Setup descriptor. 2594 */ 2595 ds->QosCtrl = 0; 2596 ds->RSSI = 0; 2597 ds->Status = EAGLE_RXD_STATUS_IDLE; 2598 ds->Channel = 0; 2599 ds->PktLen = htole16(MWL_AGGR_SIZE); 2600 ds->SQ2 = 0; 2601 ds->pPhysBuffData = htole32(MWL_JUMBO_DMA_ADDR(sc, bf->bf_data)); 2602 /* NB: don't touch pPhysNext, set once */ 2603 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN; 2604 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 2605 2606 return 0; 2607 } 2608 2609 static void 2610 mwl_ext_free(struct mbuf *m, void *data, void *arg) 2611 { 2612 struct mwl_softc *sc = arg; 2613 2614 /* XXX bounds check data */ 2615 mwl_putrxdma(sc, data); 2616 /* 2617 * If we were previously blocked by a lack of rx dma buffers 2618 * check if we now have enough to restart rx interrupt handling. 2619 * NB: we know we are called at splvm which is above splnet. 2620 */ 2621 if (sc->sc_rxblocked && sc->sc_nrxfree > mwl_rxdmalow) { 2622 sc->sc_rxblocked = 0; 2623 mwl_hal_intrset(sc->sc_mh, sc->sc_imask); 2624 } 2625 } 2626 2627 struct mwl_frame_bar { 2628 u_int8_t i_fc[2]; 2629 u_int8_t i_dur[2]; 2630 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 2631 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 2632 /* ctl, seq, FCS */ 2633 } __packed; 2634 2635 /* 2636 * Like ieee80211_anyhdrsize, but handles BAR frames 2637 * specially so the logic below to piece the 802.11 2638 * header together works. 2639 */ 2640 static __inline int 2641 mwl_anyhdrsize(const void *data) 2642 { 2643 const struct ieee80211_frame *wh = data; 2644 2645 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2646 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { 2647 case IEEE80211_FC0_SUBTYPE_CTS: 2648 case IEEE80211_FC0_SUBTYPE_ACK: 2649 return sizeof(struct ieee80211_frame_ack); 2650 case IEEE80211_FC0_SUBTYPE_BAR: 2651 return sizeof(struct mwl_frame_bar); 2652 } 2653 return sizeof(struct ieee80211_frame_min); 2654 } else 2655 return ieee80211_hdrsize(data); 2656 } 2657 2658 static void 2659 mwl_handlemicerror(struct ieee80211com *ic, const uint8_t *data) 2660 { 2661 const struct ieee80211_frame *wh; 2662 struct ieee80211_node *ni; 2663 2664 wh = (const struct ieee80211_frame *)(data + sizeof(uint16_t)); 2665 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh); 2666 if (ni != NULL) { 2667 ieee80211_notify_michael_failure(ni->ni_vap, wh, 0); 2668 ieee80211_free_node(ni); 2669 } 2670 } 2671 2672 /* 2673 * Convert hardware signal strength to rssi. The value 2674 * provided by the device has the noise floor added in; 2675 * we need to compensate for this but we don't have that 2676 * so we use a fixed value. 2677 * 2678 * The offset of 8 is good for both 2.4 and 5GHz. The LNA 2679 * offset is already set as part of the initial gain. This 2680 * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz. 2681 */ 2682 static __inline int 2683 cvtrssi(uint8_t ssi) 2684 { 2685 int rssi = (int) ssi + 8; 2686 /* XXX hack guess until we have a real noise floor */ 2687 rssi = 2*(87 - rssi); /* NB: .5 dBm units */ 2688 return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi); 2689 } 2690 2691 static void 2692 mwl_rx_proc(void *arg, int npending) 2693 { 2694 #define IEEE80211_DIR_DSTODS(wh) \ 2695 ((((const struct ieee80211_frame *)wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 2696 struct mwl_softc *sc = arg; 2697 struct ifnet *ifp = sc->sc_ifp; 2698 struct ieee80211com *ic = ifp->if_l2com; 2699 struct mwl_rxbuf *bf; 2700 struct mwl_rxdesc *ds; 2701 struct mbuf *m; 2702 struct ieee80211_qosframe *wh; 2703 struct ieee80211_qosframe_addr4 *wh4; 2704 struct ieee80211_node *ni; 2705 struct mwl_node *mn; 2706 int off, len, hdrlen, pktlen, rssi, ntodo; 2707 uint8_t *data, status; 2708 void *newdata; 2709 int16_t nf; 2710 2711 DPRINTF(sc, MWL_DEBUG_RX_PROC, "%s: pending %u rdptr 0x%x wrptr 0x%x\n", 2712 __func__, npending, RD4(sc, sc->sc_hwspecs.rxDescRead), 2713 RD4(sc, sc->sc_hwspecs.rxDescWrite)); 2714 nf = -96; /* XXX */ 2715 bf = sc->sc_rxnext; 2716 for (ntodo = mwl_rxquota; ntodo > 0; ntodo--) { 2717 if (bf == NULL) 2718 bf = STAILQ_FIRST(&sc->sc_rxbuf); 2719 ds = bf->bf_desc; 2720 data = bf->bf_data; 2721 if (data == NULL) { 2722 /* 2723 * If data allocation failed previously there 2724 * will be no buffer; try again to re-populate it. 2725 * Note the firmware will not advance to the next 2726 * descriptor with a dma buffer so we must mimic 2727 * this or we'll get out of sync. 2728 */ 2729 DPRINTF(sc, MWL_DEBUG_ANY, 2730 "%s: rx buf w/o dma memory\n", __func__); 2731 (void) mwl_rxbuf_init(sc, bf); 2732 sc->sc_stats.mst_rx_dmabufmissing++; 2733 break; 2734 } 2735 MWL_RXDESC_SYNC(sc, ds, 2736 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 2737 if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN) 2738 break; 2739 #ifdef MWL_DEBUG 2740 if (sc->sc_debug & MWL_DEBUG_RECV_DESC) 2741 mwl_printrxbuf(bf, 0); 2742 #endif 2743 status = ds->Status; 2744 if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) { 2745 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2746 sc->sc_stats.mst_rx_crypto++; 2747 /* 2748 * NB: Check EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR 2749 * for backwards compatibility. 2750 */ 2751 if (status != EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR && 2752 (status & EAGLE_RXD_STATUS_TKIP_MIC_DECRYPT_ERR)) { 2753 /* 2754 * MIC error, notify upper layers. 2755 */ 2756 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap, 2757 BUS_DMASYNC_POSTREAD); 2758 mwl_handlemicerror(ic, data); 2759 sc->sc_stats.mst_rx_tkipmic++; 2760 } 2761 /* XXX too painful to tap packets */ 2762 goto rx_next; 2763 } 2764 /* 2765 * Sync the data buffer. 2766 */ 2767 len = le16toh(ds->PktLen); 2768 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap, BUS_DMASYNC_POSTREAD); 2769 /* 2770 * The 802.11 header is provided all or in part at the front; 2771 * use it to calculate the true size of the header that we'll 2772 * construct below. We use this to figure out where to copy 2773 * payload prior to constructing the header. 2774 */ 2775 hdrlen = mwl_anyhdrsize(data + sizeof(uint16_t)); 2776 off = sizeof(uint16_t) + sizeof(struct ieee80211_frame_addr4); 2777 2778 /* calculate rssi early so we can re-use for each aggregate */ 2779 rssi = cvtrssi(ds->RSSI); 2780 2781 pktlen = hdrlen + (len - off); 2782 /* 2783 * NB: we know our frame is at least as large as 2784 * IEEE80211_MIN_LEN because there is a 4-address 2785 * frame at the front. Hence there's no need to 2786 * vet the packet length. If the frame in fact 2787 * is too small it should be discarded at the 2788 * net80211 layer. 2789 */ 2790 2791 /* 2792 * Attach dma buffer to an mbuf. We tried 2793 * doing this based on the packet size (i.e. 2794 * copying small packets) but it turns out to 2795 * be a net loss. The tradeoff might be system 2796 * dependent (cache architecture is important). 2797 */ 2798 MGETHDR(m, M_NOWAIT, MT_DATA); 2799 if (m == NULL) { 2800 DPRINTF(sc, MWL_DEBUG_ANY, 2801 "%s: no rx mbuf\n", __func__); 2802 sc->sc_stats.mst_rx_nombuf++; 2803 goto rx_next; 2804 } 2805 /* 2806 * Acquire the replacement dma buffer before 2807 * processing the frame. If we're out of dma 2808 * buffers we disable rx interrupts and wait 2809 * for the free pool to reach mlw_rxdmalow buffers 2810 * before starting to do work again. If the firmware 2811 * runs out of descriptors then it will toss frames 2812 * which is better than our doing it as that can 2813 * starve our processing. It is also important that 2814 * we always process rx'd frames in case they are 2815 * A-MPDU as otherwise the host's view of the BA 2816 * window may get out of sync with the firmware. 2817 */ 2818 newdata = mwl_getrxdma(sc); 2819 if (newdata == NULL) { 2820 /* NB: stat+msg in mwl_getrxdma */ 2821 m_free(m); 2822 /* disable RX interrupt and mark state */ 2823 mwl_hal_intrset(sc->sc_mh, 2824 sc->sc_imask &~ MACREG_A2HRIC_BIT_RX_RDY); 2825 sc->sc_rxblocked = 1; 2826 ieee80211_drain(ic); 2827 /* XXX check rxblocked and immediately start again? */ 2828 goto rx_stop; 2829 } 2830 bf->bf_data = newdata; 2831 /* 2832 * Attach the dma buffer to the mbuf; 2833 * mwl_rxbuf_init will re-setup the rx 2834 * descriptor using the replacement dma 2835 * buffer we just installed above. 2836 */ 2837 MEXTADD(m, data, MWL_AGGR_SIZE, mwl_ext_free, 2838 data, sc, 0, EXT_NET_DRV); 2839 m->m_data += off - hdrlen; 2840 m->m_pkthdr.len = m->m_len = pktlen; 2841 m->m_pkthdr.rcvif = ifp; 2842 /* NB: dma buffer assumed read-only */ 2843 2844 /* 2845 * Piece 802.11 header together. 2846 */ 2847 wh = mtod(m, struct ieee80211_qosframe *); 2848 /* NB: don't need to do this sometimes but ... */ 2849 /* XXX special case so we can memcpy after m_devget? */ 2850 ovbcopy(data + sizeof(uint16_t), wh, hdrlen); 2851 if (IEEE80211_QOS_HAS_SEQ(wh)) { 2852 if (IEEE80211_DIR_DSTODS(wh)) { 2853 wh4 = mtod(m, 2854 struct ieee80211_qosframe_addr4*); 2855 *(uint16_t *)wh4->i_qos = ds->QosCtrl; 2856 } else { 2857 *(uint16_t *)wh->i_qos = ds->QosCtrl; 2858 } 2859 } 2860 /* 2861 * The f/w strips WEP header but doesn't clear 2862 * the WEP bit; mark the packet with M_WEP so 2863 * net80211 will treat the data as decrypted. 2864 * While here also clear the PWR_MGT bit since 2865 * power save is handled by the firmware and 2866 * passing this up will potentially cause the 2867 * upper layer to put a station in power save 2868 * (except when configured with MWL_HOST_PS_SUPPORT). 2869 */ 2870 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 2871 m->m_flags |= M_WEP; 2872 #ifdef MWL_HOST_PS_SUPPORT 2873 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED; 2874 #else 2875 wh->i_fc[1] &= ~(IEEE80211_FC1_PROTECTED | 2876 IEEE80211_FC1_PWR_MGT); 2877 #endif 2878 2879 if (ieee80211_radiotap_active(ic)) { 2880 struct mwl_rx_radiotap_header *tap = &sc->sc_rx_th; 2881 2882 tap->wr_flags = 0; 2883 tap->wr_rate = ds->Rate; 2884 tap->wr_antsignal = rssi + nf; 2885 tap->wr_antnoise = nf; 2886 } 2887 if (IFF_DUMPPKTS_RECV(sc, wh)) { 2888 ieee80211_dump_pkt(ic, mtod(m, caddr_t), 2889 len, ds->Rate, rssi); 2890 } 2891 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 2892 2893 /* dispatch */ 2894 ni = ieee80211_find_rxnode(ic, 2895 (const struct ieee80211_frame_min *) wh); 2896 if (ni != NULL) { 2897 mn = MWL_NODE(ni); 2898 #ifdef MWL_ANT_INFO_SUPPORT 2899 mn->mn_ai.rssi_a = ds->ai.rssi_a; 2900 mn->mn_ai.rssi_b = ds->ai.rssi_b; 2901 mn->mn_ai.rssi_c = ds->ai.rssi_c; 2902 mn->mn_ai.rsvd1 = rssi; 2903 #endif 2904 /* tag AMPDU aggregates for reorder processing */ 2905 if (ni->ni_flags & IEEE80211_NODE_HT) 2906 m->m_flags |= M_AMPDU; 2907 (void) ieee80211_input(ni, m, rssi, nf); 2908 ieee80211_free_node(ni); 2909 } else 2910 (void) ieee80211_input_all(ic, m, rssi, nf); 2911 rx_next: 2912 /* NB: ignore ENOMEM so we process more descriptors */ 2913 (void) mwl_rxbuf_init(sc, bf); 2914 bf = STAILQ_NEXT(bf, bf_list); 2915 } 2916 rx_stop: 2917 sc->sc_rxnext = bf; 2918 2919 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2920 !IFQ_IS_EMPTY(&ifp->if_snd)) { 2921 /* NB: kick fw; the tx thread may have been preempted */ 2922 mwl_hal_txstart(sc->sc_mh, 0); 2923 mwl_start(ifp); 2924 } 2925 #undef IEEE80211_DIR_DSTODS 2926 } 2927 2928 static void 2929 mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *txq, int qnum) 2930 { 2931 struct mwl_txbuf *bf, *bn; 2932 struct mwl_txdesc *ds; 2933 2934 MWL_TXQ_LOCK_INIT(sc, txq); 2935 txq->qnum = qnum; 2936 txq->txpri = 0; /* XXX */ 2937 #if 0 2938 /* NB: q setup by mwl_txdma_setup XXX */ 2939 STAILQ_INIT(&txq->free); 2940 #endif 2941 STAILQ_FOREACH(bf, &txq->free, bf_list) { 2942 bf->bf_txq = txq; 2943 2944 ds = bf->bf_desc; 2945 bn = STAILQ_NEXT(bf, bf_list); 2946 if (bn == NULL) 2947 bn = STAILQ_FIRST(&txq->free); 2948 ds->pPhysNext = htole32(bn->bf_daddr); 2949 } 2950 STAILQ_INIT(&txq->active); 2951 } 2952 2953 /* 2954 * Setup a hardware data transmit queue for the specified 2955 * access control. We record the mapping from ac's 2956 * to h/w queues for use by mwl_tx_start. 2957 */ 2958 static int 2959 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype) 2960 { 2961 #define N(a) (sizeof(a)/sizeof(a[0])) 2962 struct mwl_txq *txq; 2963 2964 if (ac >= N(sc->sc_ac2q)) { 2965 device_printf(sc->sc_dev, "AC %u out of range, max %zu!\n", 2966 ac, N(sc->sc_ac2q)); 2967 return 0; 2968 } 2969 if (mvtype >= MWL_NUM_TX_QUEUES) { 2970 device_printf(sc->sc_dev, "mvtype %u out of range, max %u!\n", 2971 mvtype, MWL_NUM_TX_QUEUES); 2972 return 0; 2973 } 2974 txq = &sc->sc_txq[mvtype]; 2975 mwl_txq_init(sc, txq, mvtype); 2976 sc->sc_ac2q[ac] = txq; 2977 return 1; 2978 #undef N 2979 } 2980 2981 /* 2982 * Update WME parameters for a transmit queue. 2983 */ 2984 static int 2985 mwl_txq_update(struct mwl_softc *sc, int ac) 2986 { 2987 #define MWL_EXPONENT_TO_VALUE(v) ((1<<v)-1) 2988 struct ifnet *ifp = sc->sc_ifp; 2989 struct ieee80211com *ic = ifp->if_l2com; 2990 struct mwl_txq *txq = sc->sc_ac2q[ac]; 2991 struct wmeParams *wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 2992 struct mwl_hal *mh = sc->sc_mh; 2993 int aifs, cwmin, cwmax, txoplim; 2994 2995 aifs = wmep->wmep_aifsn; 2996 /* XXX in sta mode need to pass log values for cwmin/max */ 2997 cwmin = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmin); 2998 cwmax = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmax); 2999 txoplim = wmep->wmep_txopLimit; /* NB: units of 32us */ 3000 3001 if (mwl_hal_setedcaparams(mh, txq->qnum, cwmin, cwmax, aifs, txoplim)) { 3002 device_printf(sc->sc_dev, "unable to update hardware queue " 3003 "parameters for %s traffic!\n", 3004 ieee80211_wme_acnames[ac]); 3005 return 0; 3006 } 3007 return 1; 3008 #undef MWL_EXPONENT_TO_VALUE 3009 } 3010 3011 /* 3012 * Callback from the 802.11 layer to update WME parameters. 3013 */ 3014 static int 3015 mwl_wme_update(struct ieee80211com *ic) 3016 { 3017 struct mwl_softc *sc = ic->ic_ifp->if_softc; 3018 3019 return !mwl_txq_update(sc, WME_AC_BE) || 3020 !mwl_txq_update(sc, WME_AC_BK) || 3021 !mwl_txq_update(sc, WME_AC_VI) || 3022 !mwl_txq_update(sc, WME_AC_VO) ? EIO : 0; 3023 } 3024 3025 /* 3026 * Reclaim resources for a setup queue. 3027 */ 3028 static void 3029 mwl_tx_cleanupq(struct mwl_softc *sc, struct mwl_txq *txq) 3030 { 3031 /* XXX hal work? */ 3032 MWL_TXQ_LOCK_DESTROY(txq); 3033 } 3034 3035 /* 3036 * Reclaim all tx queue resources. 3037 */ 3038 static void 3039 mwl_tx_cleanup(struct mwl_softc *sc) 3040 { 3041 int i; 3042 3043 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) 3044 mwl_tx_cleanupq(sc, &sc->sc_txq[i]); 3045 } 3046 3047 static int 3048 mwl_tx_dmasetup(struct mwl_softc *sc, struct mwl_txbuf *bf, struct mbuf *m0) 3049 { 3050 struct mbuf *m; 3051 int error; 3052 3053 /* 3054 * Load the DMA map so any coalescing is done. This 3055 * also calculates the number of descriptors we need. 3056 */ 3057 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0, 3058 bf->bf_segs, &bf->bf_nseg, 3059 BUS_DMA_NOWAIT); 3060 if (error == EFBIG) { 3061 /* XXX packet requires too many descriptors */ 3062 bf->bf_nseg = MWL_TXDESC+1; 3063 } else if (error != 0) { 3064 sc->sc_stats.mst_tx_busdma++; 3065 m_freem(m0); 3066 return error; 3067 } 3068 /* 3069 * Discard null packets and check for packets that 3070 * require too many TX descriptors. We try to convert 3071 * the latter to a cluster. 3072 */ 3073 if (error == EFBIG) { /* too many desc's, linearize */ 3074 sc->sc_stats.mst_tx_linear++; 3075 #if MWL_TXDESC > 1 3076 m = m_collapse(m0, M_NOWAIT, MWL_TXDESC); 3077 #else 3078 m = m_defrag(m0, M_NOWAIT); 3079 #endif 3080 if (m == NULL) { 3081 m_freem(m0); 3082 sc->sc_stats.mst_tx_nombuf++; 3083 return ENOMEM; 3084 } 3085 m0 = m; 3086 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0, 3087 bf->bf_segs, &bf->bf_nseg, 3088 BUS_DMA_NOWAIT); 3089 if (error != 0) { 3090 sc->sc_stats.mst_tx_busdma++; 3091 m_freem(m0); 3092 return error; 3093 } 3094 KASSERT(bf->bf_nseg <= MWL_TXDESC, 3095 ("too many segments after defrag; nseg %u", bf->bf_nseg)); 3096 } else if (bf->bf_nseg == 0) { /* null packet, discard */ 3097 sc->sc_stats.mst_tx_nodata++; 3098 m_freem(m0); 3099 return EIO; 3100 } 3101 DPRINTF(sc, MWL_DEBUG_XMIT, "%s: m %p len %u\n", 3102 __func__, m0, m0->m_pkthdr.len); 3103 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE); 3104 bf->bf_m = m0; 3105 3106 return 0; 3107 } 3108 3109 static __inline int 3110 mwl_cvtlegacyrate(int rate) 3111 { 3112 switch (rate) { 3113 case 2: return 0; 3114 case 4: return 1; 3115 case 11: return 2; 3116 case 22: return 3; 3117 case 44: return 4; 3118 case 12: return 5; 3119 case 18: return 6; 3120 case 24: return 7; 3121 case 36: return 8; 3122 case 48: return 9; 3123 case 72: return 10; 3124 case 96: return 11; 3125 case 108:return 12; 3126 } 3127 return 0; 3128 } 3129 3130 /* 3131 * Calculate fixed tx rate information per client state; 3132 * this value is suitable for writing to the Format field 3133 * of a tx descriptor. 3134 */ 3135 static uint16_t 3136 mwl_calcformat(uint8_t rate, const struct ieee80211_node *ni) 3137 { 3138 uint16_t fmt; 3139 3140 fmt = SM(3, EAGLE_TXD_ANTENNA) 3141 | (IEEE80211_IS_CHAN_HT40D(ni->ni_chan) ? 3142 EAGLE_TXD_EXTCHAN_LO : EAGLE_TXD_EXTCHAN_HI); 3143 if (rate & IEEE80211_RATE_MCS) { /* HT MCS */ 3144 fmt |= EAGLE_TXD_FORMAT_HT 3145 /* NB: 0x80 implicitly stripped from ucastrate */ 3146 | SM(rate, EAGLE_TXD_RATE); 3147 /* XXX short/long GI may be wrong; re-check */ 3148 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 3149 fmt |= EAGLE_TXD_CHW_40 3150 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40 ? 3151 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG); 3152 } else { 3153 fmt |= EAGLE_TXD_CHW_20 3154 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 ? 3155 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG); 3156 } 3157 } else { /* legacy rate */ 3158 fmt |= EAGLE_TXD_FORMAT_LEGACY 3159 | SM(mwl_cvtlegacyrate(rate), EAGLE_TXD_RATE) 3160 | EAGLE_TXD_CHW_20 3161 /* XXX iv_flags & IEEE80211_F_SHPREAMBLE? */ 3162 | (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE ? 3163 EAGLE_TXD_PREAMBLE_SHORT : EAGLE_TXD_PREAMBLE_LONG); 3164 } 3165 return fmt; 3166 } 3167 3168 static int 3169 mwl_tx_start(struct mwl_softc *sc, struct ieee80211_node *ni, struct mwl_txbuf *bf, 3170 struct mbuf *m0) 3171 { 3172 #define IEEE80211_DIR_DSTODS(wh) \ 3173 ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 3174 struct ifnet *ifp = sc->sc_ifp; 3175 struct ieee80211com *ic = ifp->if_l2com; 3176 struct ieee80211vap *vap = ni->ni_vap; 3177 int error, iswep, ismcast; 3178 int hdrlen, copyhdrlen, pktlen; 3179 struct mwl_txdesc *ds; 3180 struct mwl_txq *txq; 3181 struct ieee80211_frame *wh; 3182 struct mwltxrec *tr; 3183 struct mwl_node *mn; 3184 uint16_t qos; 3185 #if MWL_TXDESC > 1 3186 int i; 3187 #endif 3188 3189 wh = mtod(m0, struct ieee80211_frame *); 3190 iswep = wh->i_fc[1] & IEEE80211_FC1_PROTECTED; 3191 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 3192 hdrlen = ieee80211_anyhdrsize(wh); 3193 copyhdrlen = hdrlen; 3194 pktlen = m0->m_pkthdr.len; 3195 if (IEEE80211_QOS_HAS_SEQ(wh)) { 3196 if (IEEE80211_DIR_DSTODS(wh)) { 3197 qos = *(uint16_t *) 3198 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos); 3199 copyhdrlen -= sizeof(qos); 3200 } else 3201 qos = *(uint16_t *) 3202 (((struct ieee80211_qosframe *) wh)->i_qos); 3203 } else 3204 qos = 0; 3205 3206 if (iswep) { 3207 const struct ieee80211_cipher *cip; 3208 struct ieee80211_key *k; 3209 3210 /* 3211 * Construct the 802.11 header+trailer for an encrypted 3212 * frame. The only reason this can fail is because of an 3213 * unknown or unsupported cipher/key type. 3214 * 3215 * NB: we do this even though the firmware will ignore 3216 * what we've done for WEP and TKIP as we need the 3217 * ExtIV filled in for CCMP and this also adjusts 3218 * the headers which simplifies our work below. 3219 */ 3220 k = ieee80211_crypto_encap(ni, m0); 3221 if (k == NULL) { 3222 /* 3223 * This can happen when the key is yanked after the 3224 * frame was queued. Just discard the frame; the 3225 * 802.11 layer counts failures and provides 3226 * debugging/diagnostics. 3227 */ 3228 m_freem(m0); 3229 return EIO; 3230 } 3231 /* 3232 * Adjust the packet length for the crypto additions 3233 * done during encap and any other bits that the f/w 3234 * will add later on. 3235 */ 3236 cip = k->wk_cipher; 3237 pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer; 3238 3239 /* packet header may have moved, reset our local pointer */ 3240 wh = mtod(m0, struct ieee80211_frame *); 3241 } 3242 3243 if (ieee80211_radiotap_active_vap(vap)) { 3244 sc->sc_tx_th.wt_flags = 0; /* XXX */ 3245 if (iswep) 3246 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 3247 #if 0 3248 sc->sc_tx_th.wt_rate = ds->DataRate; 3249 #endif 3250 sc->sc_tx_th.wt_txpower = ni->ni_txpower; 3251 sc->sc_tx_th.wt_antenna = sc->sc_txantenna; 3252 3253 ieee80211_radiotap_tx(vap, m0); 3254 } 3255 /* 3256 * Copy up/down the 802.11 header; the firmware requires 3257 * we present a 2-byte payload length followed by a 3258 * 4-address header (w/o QoS), followed (optionally) by 3259 * any WEP/ExtIV header (but only filled in for CCMP). 3260 * We are assured the mbuf has sufficient headroom to 3261 * prepend in-place by the setup of ic_headroom in 3262 * mwl_attach. 3263 */ 3264 if (hdrlen < sizeof(struct mwltxrec)) { 3265 const int space = sizeof(struct mwltxrec) - hdrlen; 3266 if (M_LEADINGSPACE(m0) < space) { 3267 /* NB: should never happen */ 3268 device_printf(sc->sc_dev, 3269 "not enough headroom, need %d found %zd, " 3270 "m_flags 0x%x m_len %d\n", 3271 space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len); 3272 ieee80211_dump_pkt(ic, 3273 mtod(m0, const uint8_t *), m0->m_len, 0, -1); 3274 m_freem(m0); 3275 sc->sc_stats.mst_tx_noheadroom++; 3276 return EIO; 3277 } 3278 M_PREPEND(m0, space, M_NOWAIT); 3279 } 3280 tr = mtod(m0, struct mwltxrec *); 3281 if (wh != (struct ieee80211_frame *) &tr->wh) 3282 ovbcopy(wh, &tr->wh, hdrlen); 3283 /* 3284 * Note: the "firmware length" is actually the length 3285 * of the fully formed "802.11 payload". That is, it's 3286 * everything except for the 802.11 header. In particular 3287 * this includes all crypto material including the MIC! 3288 */ 3289 tr->fwlen = htole16(pktlen - hdrlen); 3290 3291 /* 3292 * Load the DMA map so any coalescing is done. This 3293 * also calculates the number of descriptors we need. 3294 */ 3295 error = mwl_tx_dmasetup(sc, bf, m0); 3296 if (error != 0) { 3297 /* NB: stat collected in mwl_tx_dmasetup */ 3298 DPRINTF(sc, MWL_DEBUG_XMIT, 3299 "%s: unable to setup dma\n", __func__); 3300 return error; 3301 } 3302 bf->bf_node = ni; /* NB: held reference */ 3303 m0 = bf->bf_m; /* NB: may have changed */ 3304 tr = mtod(m0, struct mwltxrec *); 3305 wh = (struct ieee80211_frame *)&tr->wh; 3306 3307 /* 3308 * Formulate tx descriptor. 3309 */ 3310 ds = bf->bf_desc; 3311 txq = bf->bf_txq; 3312 3313 ds->QosCtrl = qos; /* NB: already little-endian */ 3314 #if MWL_TXDESC == 1 3315 /* 3316 * NB: multiframes should be zero because the descriptors 3317 * are initialized to zero. This should handle the case 3318 * where the driver is built with MWL_TXDESC=1 but we are 3319 * using firmware with multi-segment support. 3320 */ 3321 ds->PktPtr = htole32(bf->bf_segs[0].ds_addr); 3322 ds->PktLen = htole16(bf->bf_segs[0].ds_len); 3323 #else 3324 ds->multiframes = htole32(bf->bf_nseg); 3325 ds->PktLen = htole16(m0->m_pkthdr.len); 3326 for (i = 0; i < bf->bf_nseg; i++) { 3327 ds->PktPtrArray[i] = htole32(bf->bf_segs[i].ds_addr); 3328 ds->PktLenArray[i] = htole16(bf->bf_segs[i].ds_len); 3329 } 3330 #endif 3331 /* NB: pPhysNext, DataRate, and SapPktInfo setup once, don't touch */ 3332 ds->Format = 0; 3333 ds->pad = 0; 3334 ds->ack_wcb_addr = 0; 3335 3336 mn = MWL_NODE(ni); 3337 /* 3338 * Select transmit rate. 3339 */ 3340 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) { 3341 case IEEE80211_FC0_TYPE_MGT: 3342 sc->sc_stats.mst_tx_mgmt++; 3343 /* fall thru... */ 3344 case IEEE80211_FC0_TYPE_CTL: 3345 /* NB: assign to BE q to avoid bursting */ 3346 ds->TxPriority = MWL_WME_AC_BE; 3347 break; 3348 case IEEE80211_FC0_TYPE_DATA: 3349 if (!ismcast) { 3350 const struct ieee80211_txparam *tp = ni->ni_txparms; 3351 /* 3352 * EAPOL frames get forced to a fixed rate and w/o 3353 * aggregation; otherwise check for any fixed rate 3354 * for the client (may depend on association state). 3355 */ 3356 if (m0->m_flags & M_EAPOL) { 3357 const struct mwl_vap *mvp = MWL_VAP_CONST(vap); 3358 ds->Format = mvp->mv_eapolformat; 3359 ds->pad = htole16( 3360 EAGLE_TXD_FIXED_RATE | EAGLE_TXD_DONT_AGGR); 3361 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 3362 /* XXX pre-calculate per node */ 3363 ds->Format = htole16( 3364 mwl_calcformat(tp->ucastrate, ni)); 3365 ds->pad = htole16(EAGLE_TXD_FIXED_RATE); 3366 } 3367 /* NB: EAPOL frames will never have qos set */ 3368 if (qos == 0) 3369 ds->TxPriority = txq->qnum; 3370 #if MWL_MAXBA > 3 3371 else if (mwl_bastream_match(&mn->mn_ba[3], qos)) 3372 ds->TxPriority = mn->mn_ba[3].txq; 3373 #endif 3374 #if MWL_MAXBA > 2 3375 else if (mwl_bastream_match(&mn->mn_ba[2], qos)) 3376 ds->TxPriority = mn->mn_ba[2].txq; 3377 #endif 3378 #if MWL_MAXBA > 1 3379 else if (mwl_bastream_match(&mn->mn_ba[1], qos)) 3380 ds->TxPriority = mn->mn_ba[1].txq; 3381 #endif 3382 #if MWL_MAXBA > 0 3383 else if (mwl_bastream_match(&mn->mn_ba[0], qos)) 3384 ds->TxPriority = mn->mn_ba[0].txq; 3385 #endif 3386 else 3387 ds->TxPriority = txq->qnum; 3388 } else 3389 ds->TxPriority = txq->qnum; 3390 break; 3391 default: 3392 if_printf(ifp, "bogus frame type 0x%x (%s)\n", 3393 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, __func__); 3394 sc->sc_stats.mst_tx_badframetype++; 3395 m_freem(m0); 3396 return EIO; 3397 } 3398 3399 if (IFF_DUMPPKTS_XMIT(sc)) 3400 ieee80211_dump_pkt(ic, 3401 mtod(m0, const uint8_t *)+sizeof(uint16_t), 3402 m0->m_len - sizeof(uint16_t), ds->DataRate, -1); 3403 3404 MWL_TXQ_LOCK(txq); 3405 ds->Status = htole32(EAGLE_TXD_STATUS_FW_OWNED); 3406 STAILQ_INSERT_TAIL(&txq->active, bf, bf_list); 3407 MWL_TXDESC_SYNC(txq, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3408 3409 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 3410 sc->sc_tx_timer = 5; 3411 MWL_TXQ_UNLOCK(txq); 3412 3413 return 0; 3414 #undef IEEE80211_DIR_DSTODS 3415 } 3416 3417 static __inline int 3418 mwl_cvtlegacyrix(int rix) 3419 { 3420 #define N(x) (sizeof(x)/sizeof(x[0])) 3421 static const int ieeerates[] = 3422 { 2, 4, 11, 22, 44, 12, 18, 24, 36, 48, 72, 96, 108 }; 3423 return (rix < N(ieeerates) ? ieeerates[rix] : 0); 3424 #undef N 3425 } 3426 3427 /* 3428 * Process completed xmit descriptors from the specified queue. 3429 */ 3430 static int 3431 mwl_tx_processq(struct mwl_softc *sc, struct mwl_txq *txq) 3432 { 3433 #define EAGLE_TXD_STATUS_MCAST \ 3434 (EAGLE_TXD_STATUS_MULTICAST_TX | EAGLE_TXD_STATUS_BROADCAST_TX) 3435 struct ifnet *ifp = sc->sc_ifp; 3436 struct ieee80211com *ic = ifp->if_l2com; 3437 struct mwl_txbuf *bf; 3438 struct mwl_txdesc *ds; 3439 struct ieee80211_node *ni; 3440 struct mwl_node *an; 3441 int nreaped; 3442 uint32_t status; 3443 3444 DPRINTF(sc, MWL_DEBUG_TX_PROC, "%s: tx queue %u\n", __func__, txq->qnum); 3445 for (nreaped = 0;; nreaped++) { 3446 MWL_TXQ_LOCK(txq); 3447 bf = STAILQ_FIRST(&txq->active); 3448 if (bf == NULL) { 3449 MWL_TXQ_UNLOCK(txq); 3450 break; 3451 } 3452 ds = bf->bf_desc; 3453 MWL_TXDESC_SYNC(txq, ds, 3454 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 3455 if (ds->Status & htole32(EAGLE_TXD_STATUS_FW_OWNED)) { 3456 MWL_TXQ_UNLOCK(txq); 3457 break; 3458 } 3459 STAILQ_REMOVE_HEAD(&txq->active, bf_list); 3460 MWL_TXQ_UNLOCK(txq); 3461 3462 #ifdef MWL_DEBUG 3463 if (sc->sc_debug & MWL_DEBUG_XMIT_DESC) 3464 mwl_printtxbuf(bf, txq->qnum, nreaped); 3465 #endif 3466 ni = bf->bf_node; 3467 if (ni != NULL) { 3468 an = MWL_NODE(ni); 3469 status = le32toh(ds->Status); 3470 if (status & EAGLE_TXD_STATUS_OK) { 3471 uint16_t Format = le16toh(ds->Format); 3472 uint8_t txant = MS(Format, EAGLE_TXD_ANTENNA); 3473 3474 sc->sc_stats.mst_ant_tx[txant]++; 3475 if (status & EAGLE_TXD_STATUS_OK_RETRY) 3476 sc->sc_stats.mst_tx_retries++; 3477 if (status & EAGLE_TXD_STATUS_OK_MORE_RETRY) 3478 sc->sc_stats.mst_tx_mretries++; 3479 if (txq->qnum >= MWL_WME_AC_VO) 3480 ic->ic_wme.wme_hipri_traffic++; 3481 ni->ni_txrate = MS(Format, EAGLE_TXD_RATE); 3482 if ((Format & EAGLE_TXD_FORMAT_HT) == 0) { 3483 ni->ni_txrate = mwl_cvtlegacyrix( 3484 ni->ni_txrate); 3485 } else 3486 ni->ni_txrate |= IEEE80211_RATE_MCS; 3487 sc->sc_stats.mst_tx_rate = ni->ni_txrate; 3488 } else { 3489 if (status & EAGLE_TXD_STATUS_FAILED_LINK_ERROR) 3490 sc->sc_stats.mst_tx_linkerror++; 3491 if (status & EAGLE_TXD_STATUS_FAILED_XRETRY) 3492 sc->sc_stats.mst_tx_xretries++; 3493 if (status & EAGLE_TXD_STATUS_FAILED_AGING) 3494 sc->sc_stats.mst_tx_aging++; 3495 if (bf->bf_m->m_flags & M_FF) 3496 sc->sc_stats.mst_ff_txerr++; 3497 } 3498 /* 3499 * Do any tx complete callback. Note this must 3500 * be done before releasing the node reference. 3501 * XXX no way to figure out if frame was ACK'd 3502 */ 3503 if (bf->bf_m->m_flags & M_TXCB) { 3504 /* XXX strip fw len in case header inspected */ 3505 m_adj(bf->bf_m, sizeof(uint16_t)); 3506 ieee80211_process_callback(ni, bf->bf_m, 3507 (status & EAGLE_TXD_STATUS_OK) == 0); 3508 } 3509 /* 3510 * Reclaim reference to node. 3511 * 3512 * NB: the node may be reclaimed here if, for example 3513 * this is a DEAUTH message that was sent and the 3514 * node was timed out due to inactivity. 3515 */ 3516 ieee80211_free_node(ni); 3517 } 3518 ds->Status = htole32(EAGLE_TXD_STATUS_IDLE); 3519 3520 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, 3521 BUS_DMASYNC_POSTWRITE); 3522 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap); 3523 m_freem(bf->bf_m); 3524 3525 mwl_puttxbuf_tail(txq, bf); 3526 } 3527 return nreaped; 3528 #undef EAGLE_TXD_STATUS_MCAST 3529 } 3530 3531 /* 3532 * Deferred processing of transmit interrupt; special-cased 3533 * for four hardware queues, 0-3. 3534 */ 3535 static void 3536 mwl_tx_proc(void *arg, int npending) 3537 { 3538 struct mwl_softc *sc = arg; 3539 struct ifnet *ifp = sc->sc_ifp; 3540 int nreaped; 3541 3542 /* 3543 * Process each active queue. 3544 */ 3545 nreaped = 0; 3546 if (!STAILQ_EMPTY(&sc->sc_txq[0].active)) 3547 nreaped += mwl_tx_processq(sc, &sc->sc_txq[0]); 3548 if (!STAILQ_EMPTY(&sc->sc_txq[1].active)) 3549 nreaped += mwl_tx_processq(sc, &sc->sc_txq[1]); 3550 if (!STAILQ_EMPTY(&sc->sc_txq[2].active)) 3551 nreaped += mwl_tx_processq(sc, &sc->sc_txq[2]); 3552 if (!STAILQ_EMPTY(&sc->sc_txq[3].active)) 3553 nreaped += mwl_tx_processq(sc, &sc->sc_txq[3]); 3554 3555 if (nreaped != 0) { 3556 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3557 sc->sc_tx_timer = 0; 3558 if (!IFQ_IS_EMPTY(&ifp->if_snd)) { 3559 /* NB: kick fw; the tx thread may have been preempted */ 3560 mwl_hal_txstart(sc->sc_mh, 0); 3561 mwl_start(ifp); 3562 } 3563 } 3564 } 3565 3566 static void 3567 mwl_tx_draintxq(struct mwl_softc *sc, struct mwl_txq *txq) 3568 { 3569 struct ieee80211_node *ni; 3570 struct mwl_txbuf *bf; 3571 u_int ix; 3572 3573 /* 3574 * NB: this assumes output has been stopped and 3575 * we do not need to block mwl_tx_tasklet 3576 */ 3577 for (ix = 0;; ix++) { 3578 MWL_TXQ_LOCK(txq); 3579 bf = STAILQ_FIRST(&txq->active); 3580 if (bf == NULL) { 3581 MWL_TXQ_UNLOCK(txq); 3582 break; 3583 } 3584 STAILQ_REMOVE_HEAD(&txq->active, bf_list); 3585 MWL_TXQ_UNLOCK(txq); 3586 #ifdef MWL_DEBUG 3587 if (sc->sc_debug & MWL_DEBUG_RESET) { 3588 struct ifnet *ifp = sc->sc_ifp; 3589 struct ieee80211com *ic = ifp->if_l2com; 3590 const struct mwltxrec *tr = 3591 mtod(bf->bf_m, const struct mwltxrec *); 3592 mwl_printtxbuf(bf, txq->qnum, ix); 3593 ieee80211_dump_pkt(ic, (const uint8_t *)&tr->wh, 3594 bf->bf_m->m_len - sizeof(tr->fwlen), 0, -1); 3595 } 3596 #endif /* MWL_DEBUG */ 3597 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap); 3598 ni = bf->bf_node; 3599 if (ni != NULL) { 3600 /* 3601 * Reclaim node reference. 3602 */ 3603 ieee80211_free_node(ni); 3604 } 3605 m_freem(bf->bf_m); 3606 3607 mwl_puttxbuf_tail(txq, bf); 3608 } 3609 } 3610 3611 /* 3612 * Drain the transmit queues and reclaim resources. 3613 */ 3614 static void 3615 mwl_draintxq(struct mwl_softc *sc) 3616 { 3617 struct ifnet *ifp = sc->sc_ifp; 3618 int i; 3619 3620 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) 3621 mwl_tx_draintxq(sc, &sc->sc_txq[i]); 3622 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3623 sc->sc_tx_timer = 0; 3624 } 3625 3626 #ifdef MWL_DIAGAPI 3627 /* 3628 * Reset the transmit queues to a pristine state after a fw download. 3629 */ 3630 static void 3631 mwl_resettxq(struct mwl_softc *sc) 3632 { 3633 int i; 3634 3635 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) 3636 mwl_txq_reset(sc, &sc->sc_txq[i]); 3637 } 3638 #endif /* MWL_DIAGAPI */ 3639 3640 /* 3641 * Clear the transmit queues of any frames submitted for the 3642 * specified vap. This is done when the vap is deleted so we 3643 * don't potentially reference the vap after it is gone. 3644 * Note we cannot remove the frames; we only reclaim the node 3645 * reference. 3646 */ 3647 static void 3648 mwl_cleartxq(struct mwl_softc *sc, struct ieee80211vap *vap) 3649 { 3650 struct mwl_txq *txq; 3651 struct mwl_txbuf *bf; 3652 int i; 3653 3654 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) { 3655 txq = &sc->sc_txq[i]; 3656 MWL_TXQ_LOCK(txq); 3657 STAILQ_FOREACH(bf, &txq->active, bf_list) { 3658 struct ieee80211_node *ni = bf->bf_node; 3659 if (ni != NULL && ni->ni_vap == vap) { 3660 bf->bf_node = NULL; 3661 ieee80211_free_node(ni); 3662 } 3663 } 3664 MWL_TXQ_UNLOCK(txq); 3665 } 3666 } 3667 3668 static int 3669 mwl_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh, 3670 const uint8_t *frm, const uint8_t *efrm) 3671 { 3672 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc; 3673 const struct ieee80211_action *ia; 3674 3675 ia = (const struct ieee80211_action *) frm; 3676 if (ia->ia_category == IEEE80211_ACTION_CAT_HT && 3677 ia->ia_action == IEEE80211_ACTION_HT_MIMOPWRSAVE) { 3678 const struct ieee80211_action_ht_mimopowersave *mps = 3679 (const struct ieee80211_action_ht_mimopowersave *) ia; 3680 3681 mwl_hal_setmimops(sc->sc_mh, ni->ni_macaddr, 3682 mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA, 3683 MS(mps->am_control, IEEE80211_A_HT_MIMOPWRSAVE_MODE)); 3684 return 0; 3685 } else 3686 return sc->sc_recv_action(ni, wh, frm, efrm); 3687 } 3688 3689 static int 3690 mwl_addba_request(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, 3691 int dialogtoken, int baparamset, int batimeout) 3692 { 3693 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc; 3694 struct ieee80211vap *vap = ni->ni_vap; 3695 struct mwl_node *mn = MWL_NODE(ni); 3696 struct mwl_bastate *bas; 3697 3698 bas = tap->txa_private; 3699 if (bas == NULL) { 3700 const MWL_HAL_BASTREAM *sp; 3701 /* 3702 * Check for a free BA stream slot. 3703 */ 3704 #if MWL_MAXBA > 3 3705 if (mn->mn_ba[3].bastream == NULL) 3706 bas = &mn->mn_ba[3]; 3707 else 3708 #endif 3709 #if MWL_MAXBA > 2 3710 if (mn->mn_ba[2].bastream == NULL) 3711 bas = &mn->mn_ba[2]; 3712 else 3713 #endif 3714 #if MWL_MAXBA > 1 3715 if (mn->mn_ba[1].bastream == NULL) 3716 bas = &mn->mn_ba[1]; 3717 else 3718 #endif 3719 #if MWL_MAXBA > 0 3720 if (mn->mn_ba[0].bastream == NULL) 3721 bas = &mn->mn_ba[0]; 3722 else 3723 #endif 3724 { 3725 /* sta already has max BA streams */ 3726 /* XXX assign BA stream to highest priority tid */ 3727 DPRINTF(sc, MWL_DEBUG_AMPDU, 3728 "%s: already has max bastreams\n", __func__); 3729 sc->sc_stats.mst_ampdu_reject++; 3730 return 0; 3731 } 3732 /* NB: no held reference to ni */ 3733 sp = mwl_hal_bastream_alloc(MWL_VAP(vap)->mv_hvap, 3734 (baparamset & IEEE80211_BAPS_POLICY_IMMEDIATE) != 0, 3735 ni->ni_macaddr, tap->txa_tid, ni->ni_htparam, 3736 ni, tap); 3737 if (sp == NULL) { 3738 /* 3739 * No available stream, return 0 so no 3740 * a-mpdu aggregation will be done. 3741 */ 3742 DPRINTF(sc, MWL_DEBUG_AMPDU, 3743 "%s: no bastream available\n", __func__); 3744 sc->sc_stats.mst_ampdu_nostream++; 3745 return 0; 3746 } 3747 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: alloc bastream %p\n", 3748 __func__, sp); 3749 /* NB: qos is left zero so we won't match in mwl_tx_start */ 3750 bas->bastream = sp; 3751 tap->txa_private = bas; 3752 } 3753 /* fetch current seq# from the firmware; if available */ 3754 if (mwl_hal_bastream_get_seqno(sc->sc_mh, bas->bastream, 3755 vap->iv_opmode == IEEE80211_M_STA ? vap->iv_myaddr : ni->ni_macaddr, 3756 &tap->txa_start) != 0) 3757 tap->txa_start = 0; 3758 return sc->sc_addba_request(ni, tap, dialogtoken, baparamset, batimeout); 3759 } 3760 3761 static int 3762 mwl_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, 3763 int code, int baparamset, int batimeout) 3764 { 3765 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc; 3766 struct mwl_bastate *bas; 3767 3768 bas = tap->txa_private; 3769 if (bas == NULL) { 3770 /* XXX should not happen */ 3771 DPRINTF(sc, MWL_DEBUG_AMPDU, 3772 "%s: no BA stream allocated, TID %d\n", 3773 __func__, tap->txa_tid); 3774 sc->sc_stats.mst_addba_nostream++; 3775 return 0; 3776 } 3777 if (code == IEEE80211_STATUS_SUCCESS) { 3778 struct ieee80211vap *vap = ni->ni_vap; 3779 int bufsiz, error; 3780 3781 /* 3782 * Tell the firmware to setup the BA stream; 3783 * we know resources are available because we 3784 * pre-allocated one before forming the request. 3785 */ 3786 bufsiz = MS(baparamset, IEEE80211_BAPS_BUFSIZ); 3787 if (bufsiz == 0) 3788 bufsiz = IEEE80211_AGGR_BAWMAX; 3789 error = mwl_hal_bastream_create(MWL_VAP(vap)->mv_hvap, 3790 bas->bastream, bufsiz, bufsiz, tap->txa_start); 3791 if (error != 0) { 3792 /* 3793 * Setup failed, return immediately so no a-mpdu 3794 * aggregation will be done. 3795 */ 3796 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream); 3797 mwl_bastream_free(bas); 3798 tap->txa_private = NULL; 3799 3800 DPRINTF(sc, MWL_DEBUG_AMPDU, 3801 "%s: create failed, error %d, bufsiz %d TID %d " 3802 "htparam 0x%x\n", __func__, error, bufsiz, 3803 tap->txa_tid, ni->ni_htparam); 3804 sc->sc_stats.mst_bacreate_failed++; 3805 return 0; 3806 } 3807 /* NB: cache txq to avoid ptr indirect */ 3808 mwl_bastream_setup(bas, tap->txa_tid, bas->bastream->txq); 3809 DPRINTF(sc, MWL_DEBUG_AMPDU, 3810 "%s: bastream %p assigned to txq %d TID %d bufsiz %d " 3811 "htparam 0x%x\n", __func__, bas->bastream, 3812 bas->txq, tap->txa_tid, bufsiz, ni->ni_htparam); 3813 } else { 3814 /* 3815 * Other side NAK'd us; return the resources. 3816 */ 3817 DPRINTF(sc, MWL_DEBUG_AMPDU, 3818 "%s: request failed with code %d, destroy bastream %p\n", 3819 __func__, code, bas->bastream); 3820 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream); 3821 mwl_bastream_free(bas); 3822 tap->txa_private = NULL; 3823 } 3824 /* NB: firmware sends BAR so we don't need to */ 3825 return sc->sc_addba_response(ni, tap, code, baparamset, batimeout); 3826 } 3827 3828 static void 3829 mwl_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap) 3830 { 3831 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc; 3832 struct mwl_bastate *bas; 3833 3834 bas = tap->txa_private; 3835 if (bas != NULL) { 3836 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: destroy bastream %p\n", 3837 __func__, bas->bastream); 3838 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream); 3839 mwl_bastream_free(bas); 3840 tap->txa_private = NULL; 3841 } 3842 sc->sc_addba_stop(ni, tap); 3843 } 3844 3845 /* 3846 * Setup the rx data structures. This should only be 3847 * done once or we may get out of sync with the firmware. 3848 */ 3849 static int 3850 mwl_startrecv(struct mwl_softc *sc) 3851 { 3852 if (!sc->sc_recvsetup) { 3853 struct mwl_rxbuf *bf, *prev; 3854 struct mwl_rxdesc *ds; 3855 3856 prev = NULL; 3857 STAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) { 3858 int error = mwl_rxbuf_init(sc, bf); 3859 if (error != 0) { 3860 DPRINTF(sc, MWL_DEBUG_RECV, 3861 "%s: mwl_rxbuf_init failed %d\n", 3862 __func__, error); 3863 return error; 3864 } 3865 if (prev != NULL) { 3866 ds = prev->bf_desc; 3867 ds->pPhysNext = htole32(bf->bf_daddr); 3868 } 3869 prev = bf; 3870 } 3871 if (prev != NULL) { 3872 ds = prev->bf_desc; 3873 ds->pPhysNext = 3874 htole32(STAILQ_FIRST(&sc->sc_rxbuf)->bf_daddr); 3875 } 3876 sc->sc_recvsetup = 1; 3877 } 3878 mwl_mode_init(sc); /* set filters, etc. */ 3879 return 0; 3880 } 3881 3882 static MWL_HAL_APMODE 3883 mwl_getapmode(const struct ieee80211vap *vap, struct ieee80211_channel *chan) 3884 { 3885 MWL_HAL_APMODE mode; 3886 3887 if (IEEE80211_IS_CHAN_HT(chan)) { 3888 if (vap->iv_flags_ht & IEEE80211_FHT_PUREN) 3889 mode = AP_MODE_N_ONLY; 3890 else if (IEEE80211_IS_CHAN_5GHZ(chan)) 3891 mode = AP_MODE_AandN; 3892 else if (vap->iv_flags & IEEE80211_F_PUREG) 3893 mode = AP_MODE_GandN; 3894 else 3895 mode = AP_MODE_BandGandN; 3896 } else if (IEEE80211_IS_CHAN_ANYG(chan)) { 3897 if (vap->iv_flags & IEEE80211_F_PUREG) 3898 mode = AP_MODE_G_ONLY; 3899 else 3900 mode = AP_MODE_MIXED; 3901 } else if (IEEE80211_IS_CHAN_B(chan)) 3902 mode = AP_MODE_B_ONLY; 3903 else if (IEEE80211_IS_CHAN_A(chan)) 3904 mode = AP_MODE_A_ONLY; 3905 else 3906 mode = AP_MODE_MIXED; /* XXX should not happen? */ 3907 return mode; 3908 } 3909 3910 static int 3911 mwl_setapmode(struct ieee80211vap *vap, struct ieee80211_channel *chan) 3912 { 3913 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 3914 return mwl_hal_setapmode(hvap, mwl_getapmode(vap, chan)); 3915 } 3916 3917 /* 3918 * Set/change channels. 3919 */ 3920 static int 3921 mwl_chan_set(struct mwl_softc *sc, struct ieee80211_channel *chan) 3922 { 3923 struct mwl_hal *mh = sc->sc_mh; 3924 struct ifnet *ifp = sc->sc_ifp; 3925 struct ieee80211com *ic = ifp->if_l2com; 3926 MWL_HAL_CHANNEL hchan; 3927 int maxtxpow; 3928 3929 DPRINTF(sc, MWL_DEBUG_RESET, "%s: chan %u MHz/flags 0x%x\n", 3930 __func__, chan->ic_freq, chan->ic_flags); 3931 3932 /* 3933 * Convert to a HAL channel description with 3934 * the flags constrained to reflect the current 3935 * operating mode. 3936 */ 3937 mwl_mapchan(&hchan, chan); 3938 mwl_hal_intrset(mh, 0); /* disable interrupts */ 3939 #if 0 3940 mwl_draintxq(sc); /* clear pending tx frames */ 3941 #endif 3942 mwl_hal_setchannel(mh, &hchan); 3943 /* 3944 * Tx power is cap'd by the regulatory setting and 3945 * possibly a user-set limit. We pass the min of 3946 * these to the hal to apply them to the cal data 3947 * for this channel. 3948 * XXX min bound? 3949 */ 3950 maxtxpow = 2*chan->ic_maxregpower; 3951 if (maxtxpow > ic->ic_txpowlimit) 3952 maxtxpow = ic->ic_txpowlimit; 3953 mwl_hal_settxpower(mh, &hchan, maxtxpow / 2); 3954 /* NB: potentially change mcast/mgt rates */ 3955 mwl_setcurchanrates(sc); 3956 3957 /* 3958 * Update internal state. 3959 */ 3960 sc->sc_tx_th.wt_chan_freq = htole16(chan->ic_freq); 3961 sc->sc_rx_th.wr_chan_freq = htole16(chan->ic_freq); 3962 if (IEEE80211_IS_CHAN_A(chan)) { 3963 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_A); 3964 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_A); 3965 } else if (IEEE80211_IS_CHAN_ANYG(chan)) { 3966 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_G); 3967 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_G); 3968 } else { 3969 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_B); 3970 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_B); 3971 } 3972 sc->sc_curchan = hchan; 3973 mwl_hal_intrset(mh, sc->sc_imask); 3974 3975 return 0; 3976 } 3977 3978 static void 3979 mwl_scan_start(struct ieee80211com *ic) 3980 { 3981 struct ifnet *ifp = ic->ic_ifp; 3982 struct mwl_softc *sc = ifp->if_softc; 3983 3984 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__); 3985 } 3986 3987 static void 3988 mwl_scan_end(struct ieee80211com *ic) 3989 { 3990 struct ifnet *ifp = ic->ic_ifp; 3991 struct mwl_softc *sc = ifp->if_softc; 3992 3993 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__); 3994 } 3995 3996 static void 3997 mwl_set_channel(struct ieee80211com *ic) 3998 { 3999 struct ifnet *ifp = ic->ic_ifp; 4000 struct mwl_softc *sc = ifp->if_softc; 4001 4002 (void) mwl_chan_set(sc, ic->ic_curchan); 4003 } 4004 4005 /* 4006 * Handle a channel switch request. We inform the firmware 4007 * and mark the global state to suppress various actions. 4008 * NB: we issue only one request to the fw; we may be called 4009 * multiple times if there are multiple vap's. 4010 */ 4011 static void 4012 mwl_startcsa(struct ieee80211vap *vap) 4013 { 4014 struct ieee80211com *ic = vap->iv_ic; 4015 struct mwl_softc *sc = ic->ic_ifp->if_softc; 4016 MWL_HAL_CHANNEL hchan; 4017 4018 if (sc->sc_csapending) 4019 return; 4020 4021 mwl_mapchan(&hchan, ic->ic_csa_newchan); 4022 /* 1 =>'s quiet channel */ 4023 mwl_hal_setchannelswitchie(sc->sc_mh, &hchan, 1, ic->ic_csa_count); 4024 sc->sc_csapending = 1; 4025 } 4026 4027 /* 4028 * Plumb any static WEP key for the station. This is 4029 * necessary as we must propagate the key from the 4030 * global key table of the vap to each sta db entry. 4031 */ 4032 static void 4033 mwl_setanywepkey(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 4034 { 4035 if ((vap->iv_flags & (IEEE80211_F_PRIVACY|IEEE80211_F_WPA)) == 4036 IEEE80211_F_PRIVACY && 4037 vap->iv_def_txkey != IEEE80211_KEYIX_NONE && 4038 vap->iv_nw_keys[vap->iv_def_txkey].wk_keyix != IEEE80211_KEYIX_NONE) 4039 (void) mwl_key_set(vap, &vap->iv_nw_keys[vap->iv_def_txkey], mac); 4040 } 4041 4042 static int 4043 mwl_peerstadb(struct ieee80211_node *ni, int aid, int staid, MWL_HAL_PEERINFO *pi) 4044 { 4045 #define WME(ie) ((const struct ieee80211_wme_info *) ie) 4046 struct ieee80211vap *vap = ni->ni_vap; 4047 struct mwl_hal_vap *hvap; 4048 int error; 4049 4050 if (vap->iv_opmode == IEEE80211_M_WDS) { 4051 /* 4052 * WDS vap's do not have a f/w vap; instead they piggyback 4053 * on an AP vap and we must install the sta db entry and 4054 * crypto state using that AP's handle (the WDS vap has none). 4055 */ 4056 hvap = MWL_VAP(vap)->mv_ap_hvap; 4057 } else 4058 hvap = MWL_VAP(vap)->mv_hvap; 4059 error = mwl_hal_newstation(hvap, ni->ni_macaddr, 4060 aid, staid, pi, 4061 ni->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT), 4062 ni->ni_ies.wme_ie != NULL ? WME(ni->ni_ies.wme_ie)->wme_info : 0); 4063 if (error == 0) { 4064 /* 4065 * Setup security for this station. For sta mode this is 4066 * needed even though do the same thing on transition to 4067 * AUTH state because the call to mwl_hal_newstation 4068 * clobbers the crypto state we setup. 4069 */ 4070 mwl_setanywepkey(vap, ni->ni_macaddr); 4071 } 4072 return error; 4073 #undef WME 4074 } 4075 4076 static void 4077 mwl_setglobalkeys(struct ieee80211vap *vap) 4078 { 4079 struct ieee80211_key *wk; 4080 4081 wk = &vap->iv_nw_keys[0]; 4082 for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; wk++) 4083 if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4084 (void) mwl_key_set(vap, wk, vap->iv_myaddr); 4085 } 4086 4087 /* 4088 * Convert a legacy rate set to a firmware bitmask. 4089 */ 4090 static uint32_t 4091 get_rate_bitmap(const struct ieee80211_rateset *rs) 4092 { 4093 uint32_t rates; 4094 int i; 4095 4096 rates = 0; 4097 for (i = 0; i < rs->rs_nrates; i++) 4098 switch (rs->rs_rates[i] & IEEE80211_RATE_VAL) { 4099 case 2: rates |= 0x001; break; 4100 case 4: rates |= 0x002; break; 4101 case 11: rates |= 0x004; break; 4102 case 22: rates |= 0x008; break; 4103 case 44: rates |= 0x010; break; 4104 case 12: rates |= 0x020; break; 4105 case 18: rates |= 0x040; break; 4106 case 24: rates |= 0x080; break; 4107 case 36: rates |= 0x100; break; 4108 case 48: rates |= 0x200; break; 4109 case 72: rates |= 0x400; break; 4110 case 96: rates |= 0x800; break; 4111 case 108: rates |= 0x1000; break; 4112 } 4113 return rates; 4114 } 4115 4116 /* 4117 * Construct an HT firmware bitmask from an HT rate set. 4118 */ 4119 static uint32_t 4120 get_htrate_bitmap(const struct ieee80211_htrateset *rs) 4121 { 4122 uint32_t rates; 4123 int i; 4124 4125 rates = 0; 4126 for (i = 0; i < rs->rs_nrates; i++) { 4127 if (rs->rs_rates[i] < 16) 4128 rates |= 1<<rs->rs_rates[i]; 4129 } 4130 return rates; 4131 } 4132 4133 /* 4134 * Craft station database entry for station. 4135 * NB: use host byte order here, the hal handles byte swapping. 4136 */ 4137 static MWL_HAL_PEERINFO * 4138 mkpeerinfo(MWL_HAL_PEERINFO *pi, const struct ieee80211_node *ni) 4139 { 4140 const struct ieee80211vap *vap = ni->ni_vap; 4141 4142 memset(pi, 0, sizeof(*pi)); 4143 pi->LegacyRateBitMap = get_rate_bitmap(&ni->ni_rates); 4144 pi->CapInfo = ni->ni_capinfo; 4145 if (ni->ni_flags & IEEE80211_NODE_HT) { 4146 /* HT capabilities, etc */ 4147 pi->HTCapabilitiesInfo = ni->ni_htcap; 4148 /* XXX pi.HTCapabilitiesInfo */ 4149 pi->MacHTParamInfo = ni->ni_htparam; 4150 pi->HTRateBitMap = get_htrate_bitmap(&ni->ni_htrates); 4151 pi->AddHtInfo.ControlChan = ni->ni_htctlchan; 4152 pi->AddHtInfo.AddChan = ni->ni_ht2ndchan; 4153 pi->AddHtInfo.OpMode = ni->ni_htopmode; 4154 pi->AddHtInfo.stbc = ni->ni_htstbc; 4155 4156 /* constrain according to local configuration */ 4157 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) == 0) 4158 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI40; 4159 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) == 0) 4160 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI20; 4161 if (ni->ni_chw != 40) 4162 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_CHWIDTH40; 4163 } 4164 return pi; 4165 } 4166 4167 /* 4168 * Re-create the local sta db entry for a vap to ensure 4169 * up to date WME state is pushed to the firmware. Because 4170 * this resets crypto state this must be followed by a 4171 * reload of any keys in the global key table. 4172 */ 4173 static int 4174 mwl_localstadb(struct ieee80211vap *vap) 4175 { 4176 #define WME(ie) ((const struct ieee80211_wme_info *) ie) 4177 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap; 4178 struct ieee80211_node *bss; 4179 MWL_HAL_PEERINFO pi; 4180 int error; 4181 4182 switch (vap->iv_opmode) { 4183 case IEEE80211_M_STA: 4184 bss = vap->iv_bss; 4185 error = mwl_hal_newstation(hvap, vap->iv_myaddr, 0, 0, 4186 vap->iv_state == IEEE80211_S_RUN ? 4187 mkpeerinfo(&pi, bss) : NULL, 4188 (bss->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT)), 4189 bss->ni_ies.wme_ie != NULL ? 4190 WME(bss->ni_ies.wme_ie)->wme_info : 0); 4191 if (error == 0) 4192 mwl_setglobalkeys(vap); 4193 break; 4194 case IEEE80211_M_HOSTAP: 4195 case IEEE80211_M_MBSS: 4196 error = mwl_hal_newstation(hvap, vap->iv_myaddr, 4197 0, 0, NULL, vap->iv_flags & IEEE80211_F_WME, 0); 4198 if (error == 0) 4199 mwl_setglobalkeys(vap); 4200 break; 4201 default: 4202 error = 0; 4203 break; 4204 } 4205 return error; 4206 #undef WME 4207 } 4208 4209 static int 4210 mwl_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 4211 { 4212 struct mwl_vap *mvp = MWL_VAP(vap); 4213 struct mwl_hal_vap *hvap = mvp->mv_hvap; 4214 struct ieee80211com *ic = vap->iv_ic; 4215 struct ieee80211_node *ni = NULL; 4216 struct ifnet *ifp = ic->ic_ifp; 4217 struct mwl_softc *sc = ifp->if_softc; 4218 struct mwl_hal *mh = sc->sc_mh; 4219 enum ieee80211_state ostate = vap->iv_state; 4220 int error; 4221 4222 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: %s -> %s\n", 4223 vap->iv_ifp->if_xname, __func__, 4224 ieee80211_state_name[ostate], ieee80211_state_name[nstate]); 4225 4226 callout_stop(&sc->sc_timer); 4227 /* 4228 * Clear current radar detection state. 4229 */ 4230 if (ostate == IEEE80211_S_CAC) { 4231 /* stop quiet mode radar detection */ 4232 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_STOP); 4233 } else if (sc->sc_radarena) { 4234 /* stop in-service radar detection */ 4235 mwl_hal_setradardetection(mh, DR_DFS_DISABLE); 4236 sc->sc_radarena = 0; 4237 } 4238 /* 4239 * Carry out per-state actions before doing net80211 work. 4240 */ 4241 if (nstate == IEEE80211_S_INIT) { 4242 /* NB: only ap+sta vap's have a fw entity */ 4243 if (hvap != NULL) 4244 mwl_hal_stop(hvap); 4245 } else if (nstate == IEEE80211_S_SCAN) { 4246 mwl_hal_start(hvap); 4247 /* NB: this disables beacon frames */ 4248 mwl_hal_setinframode(hvap); 4249 } else if (nstate == IEEE80211_S_AUTH) { 4250 /* 4251 * Must create a sta db entry in case a WEP key needs to 4252 * be plumbed. This entry will be overwritten if we 4253 * associate; otherwise it will be reclaimed on node free. 4254 */ 4255 ni = vap->iv_bss; 4256 MWL_NODE(ni)->mn_hvap = hvap; 4257 (void) mwl_peerstadb(ni, 0, 0, NULL); 4258 } else if (nstate == IEEE80211_S_CSA) { 4259 /* XXX move to below? */ 4260 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 4261 vap->iv_opmode == IEEE80211_M_MBSS) 4262 mwl_startcsa(vap); 4263 } else if (nstate == IEEE80211_S_CAC) { 4264 /* XXX move to below? */ 4265 /* stop ap xmit and enable quiet mode radar detection */ 4266 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_START); 4267 } 4268 4269 /* 4270 * Invoke the parent method to do net80211 work. 4271 */ 4272 error = mvp->mv_newstate(vap, nstate, arg); 4273 4274 /* 4275 * Carry out work that must be done after net80211 runs; 4276 * this work requires up to date state (e.g. iv_bss). 4277 */ 4278 if (error == 0 && nstate == IEEE80211_S_RUN) { 4279 /* NB: collect bss node again, it may have changed */ 4280 ni = vap->iv_bss; 4281 4282 DPRINTF(sc, MWL_DEBUG_STATE, 4283 "%s: %s(RUN): iv_flags 0x%08x bintvl %d bssid %s " 4284 "capinfo 0x%04x chan %d\n", 4285 vap->iv_ifp->if_xname, __func__, vap->iv_flags, 4286 ni->ni_intval, ether_sprintf(ni->ni_bssid), ni->ni_capinfo, 4287 ieee80211_chan2ieee(ic, ic->ic_curchan)); 4288 4289 /* 4290 * Recreate local sta db entry to update WME/HT state. 4291 */ 4292 mwl_localstadb(vap); 4293 switch (vap->iv_opmode) { 4294 case IEEE80211_M_HOSTAP: 4295 case IEEE80211_M_MBSS: 4296 if (ostate == IEEE80211_S_CAC) { 4297 /* enable in-service radar detection */ 4298 mwl_hal_setradardetection(mh, 4299 DR_IN_SERVICE_MONITOR_START); 4300 sc->sc_radarena = 1; 4301 } 4302 /* 4303 * Allocate and setup the beacon frame 4304 * (and related state). 4305 */ 4306 error = mwl_reset_vap(vap, IEEE80211_S_RUN); 4307 if (error != 0) { 4308 DPRINTF(sc, MWL_DEBUG_STATE, 4309 "%s: beacon setup failed, error %d\n", 4310 __func__, error); 4311 goto bad; 4312 } 4313 /* NB: must be after setting up beacon */ 4314 mwl_hal_start(hvap); 4315 break; 4316 case IEEE80211_M_STA: 4317 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: aid 0x%x\n", 4318 vap->iv_ifp->if_xname, __func__, ni->ni_associd); 4319 /* 4320 * Set state now that we're associated. 4321 */ 4322 mwl_hal_setassocid(hvap, ni->ni_bssid, ni->ni_associd); 4323 mwl_setrates(vap); 4324 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold); 4325 if ((vap->iv_flags & IEEE80211_F_DWDS) && 4326 sc->sc_ndwdsvaps++ == 0) 4327 mwl_hal_setdwds(mh, 1); 4328 break; 4329 case IEEE80211_M_WDS: 4330 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: bssid %s\n", 4331 vap->iv_ifp->if_xname, __func__, 4332 ether_sprintf(ni->ni_bssid)); 4333 mwl_seteapolformat(vap); 4334 break; 4335 default: 4336 break; 4337 } 4338 /* 4339 * Set CS mode according to operating channel; 4340 * this mostly an optimization for 5GHz. 4341 * 4342 * NB: must follow mwl_hal_start which resets csmode 4343 */ 4344 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) 4345 mwl_hal_setcsmode(mh, CSMODE_AGGRESSIVE); 4346 else 4347 mwl_hal_setcsmode(mh, CSMODE_AUTO_ENA); 4348 /* 4349 * Start timer to prod firmware. 4350 */ 4351 if (sc->sc_ageinterval != 0) 4352 callout_reset(&sc->sc_timer, sc->sc_ageinterval*hz, 4353 mwl_agestations, sc); 4354 } else if (nstate == IEEE80211_S_SLEEP) { 4355 /* XXX set chip in power save */ 4356 } else if ((vap->iv_flags & IEEE80211_F_DWDS) && 4357 --sc->sc_ndwdsvaps == 0) 4358 mwl_hal_setdwds(mh, 0); 4359 bad: 4360 return error; 4361 } 4362 4363 /* 4364 * Manage station id's; these are separate from AID's 4365 * as AID's may have values out of the range of possible 4366 * station id's acceptable to the firmware. 4367 */ 4368 static int 4369 allocstaid(struct mwl_softc *sc, int aid) 4370 { 4371 int staid; 4372 4373 if (!(0 < aid && aid < MWL_MAXSTAID) || isset(sc->sc_staid, aid)) { 4374 /* NB: don't use 0 */ 4375 for (staid = 1; staid < MWL_MAXSTAID; staid++) 4376 if (isclr(sc->sc_staid, staid)) 4377 break; 4378 } else 4379 staid = aid; 4380 setbit(sc->sc_staid, staid); 4381 return staid; 4382 } 4383 4384 static void 4385 delstaid(struct mwl_softc *sc, int staid) 4386 { 4387 clrbit(sc->sc_staid, staid); 4388 } 4389 4390 /* 4391 * Setup driver-specific state for a newly associated node. 4392 * Note that we're called also on a re-associate, the isnew 4393 * param tells us if this is the first time or not. 4394 */ 4395 static void 4396 mwl_newassoc(struct ieee80211_node *ni, int isnew) 4397 { 4398 struct ieee80211vap *vap = ni->ni_vap; 4399 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4400 struct mwl_node *mn = MWL_NODE(ni); 4401 MWL_HAL_PEERINFO pi; 4402 uint16_t aid; 4403 int error; 4404 4405 aid = IEEE80211_AID(ni->ni_associd); 4406 if (isnew) { 4407 mn->mn_staid = allocstaid(sc, aid); 4408 mn->mn_hvap = MWL_VAP(vap)->mv_hvap; 4409 } else { 4410 mn = MWL_NODE(ni); 4411 /* XXX reset BA stream? */ 4412 } 4413 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mac %s isnew %d aid %d staid %d\n", 4414 __func__, ether_sprintf(ni->ni_macaddr), isnew, aid, mn->mn_staid); 4415 error = mwl_peerstadb(ni, aid, mn->mn_staid, mkpeerinfo(&pi, ni)); 4416 if (error != 0) { 4417 DPRINTF(sc, MWL_DEBUG_NODE, 4418 "%s: error %d creating sta db entry\n", 4419 __func__, error); 4420 /* XXX how to deal with error? */ 4421 } 4422 } 4423 4424 /* 4425 * Periodically poke the firmware to age out station state 4426 * (power save queues, pending tx aggregates). 4427 */ 4428 static void 4429 mwl_agestations(void *arg) 4430 { 4431 struct mwl_softc *sc = arg; 4432 4433 mwl_hal_setkeepalive(sc->sc_mh); 4434 if (sc->sc_ageinterval != 0) /* NB: catch dynamic changes */ 4435 callout_schedule(&sc->sc_timer, sc->sc_ageinterval*hz); 4436 } 4437 4438 static const struct mwl_hal_channel * 4439 findhalchannel(const MWL_HAL_CHANNELINFO *ci, int ieee) 4440 { 4441 int i; 4442 4443 for (i = 0; i < ci->nchannels; i++) { 4444 const struct mwl_hal_channel *hc = &ci->channels[i]; 4445 if (hc->ieee == ieee) 4446 return hc; 4447 } 4448 return NULL; 4449 } 4450 4451 static int 4452 mwl_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 4453 int nchan, struct ieee80211_channel chans[]) 4454 { 4455 struct mwl_softc *sc = ic->ic_ifp->if_softc; 4456 struct mwl_hal *mh = sc->sc_mh; 4457 const MWL_HAL_CHANNELINFO *ci; 4458 int i; 4459 4460 for (i = 0; i < nchan; i++) { 4461 struct ieee80211_channel *c = &chans[i]; 4462 const struct mwl_hal_channel *hc; 4463 4464 if (IEEE80211_IS_CHAN_2GHZ(c)) { 4465 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_2DOT4GHZ, 4466 IEEE80211_IS_CHAN_HT40(c) ? 4467 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci); 4468 } else if (IEEE80211_IS_CHAN_5GHZ(c)) { 4469 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_5GHZ, 4470 IEEE80211_IS_CHAN_HT40(c) ? 4471 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci); 4472 } else { 4473 if_printf(ic->ic_ifp, 4474 "%s: channel %u freq %u/0x%x not 2.4/5GHz\n", 4475 __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 4476 return EINVAL; 4477 } 4478 /* 4479 * Verify channel has cal data and cap tx power. 4480 */ 4481 hc = findhalchannel(ci, c->ic_ieee); 4482 if (hc != NULL) { 4483 if (c->ic_maxpower > 2*hc->maxTxPow) 4484 c->ic_maxpower = 2*hc->maxTxPow; 4485 goto next; 4486 } 4487 if (IEEE80211_IS_CHAN_HT40(c)) { 4488 /* 4489 * Look for the extension channel since the 4490 * hal table only has the primary channel. 4491 */ 4492 hc = findhalchannel(ci, c->ic_extieee); 4493 if (hc != NULL) { 4494 if (c->ic_maxpower > 2*hc->maxTxPow) 4495 c->ic_maxpower = 2*hc->maxTxPow; 4496 goto next; 4497 } 4498 } 4499 if_printf(ic->ic_ifp, 4500 "%s: no cal data for channel %u ext %u freq %u/0x%x\n", 4501 __func__, c->ic_ieee, c->ic_extieee, 4502 c->ic_freq, c->ic_flags); 4503 return EINVAL; 4504 next: 4505 ; 4506 } 4507 return 0; 4508 } 4509 4510 #define IEEE80211_CHAN_HTG (IEEE80211_CHAN_HT|IEEE80211_CHAN_G) 4511 #define IEEE80211_CHAN_HTA (IEEE80211_CHAN_HT|IEEE80211_CHAN_A) 4512 4513 static void 4514 addchan(struct ieee80211_channel *c, int freq, int flags, int ieee, int txpow) 4515 { 4516 c->ic_freq = freq; 4517 c->ic_flags = flags; 4518 c->ic_ieee = ieee; 4519 c->ic_minpower = 0; 4520 c->ic_maxpower = 2*txpow; 4521 c->ic_maxregpower = txpow; 4522 } 4523 4524 static const struct ieee80211_channel * 4525 findchannel(const struct ieee80211_channel chans[], int nchans, 4526 int freq, int flags) 4527 { 4528 const struct ieee80211_channel *c; 4529 int i; 4530 4531 for (i = 0; i < nchans; i++) { 4532 c = &chans[i]; 4533 if (c->ic_freq == freq && c->ic_flags == flags) 4534 return c; 4535 } 4536 return NULL; 4537 } 4538 4539 static void 4540 addht40channels(struct ieee80211_channel chans[], int maxchans, int *nchans, 4541 const MWL_HAL_CHANNELINFO *ci, int flags) 4542 { 4543 struct ieee80211_channel *c; 4544 const struct ieee80211_channel *extc; 4545 const struct mwl_hal_channel *hc; 4546 int i; 4547 4548 c = &chans[*nchans]; 4549 4550 flags &= ~IEEE80211_CHAN_HT; 4551 for (i = 0; i < ci->nchannels; i++) { 4552 /* 4553 * Each entry defines an HT40 channel pair; find the 4554 * extension channel above and the insert the pair. 4555 */ 4556 hc = &ci->channels[i]; 4557 extc = findchannel(chans, *nchans, hc->freq+20, 4558 flags | IEEE80211_CHAN_HT20); 4559 if (extc != NULL) { 4560 if (*nchans >= maxchans) 4561 break; 4562 addchan(c, hc->freq, flags | IEEE80211_CHAN_HT40U, 4563 hc->ieee, hc->maxTxPow); 4564 c->ic_extieee = extc->ic_ieee; 4565 c++, (*nchans)++; 4566 if (*nchans >= maxchans) 4567 break; 4568 addchan(c, extc->ic_freq, flags | IEEE80211_CHAN_HT40D, 4569 extc->ic_ieee, hc->maxTxPow); 4570 c->ic_extieee = hc->ieee; 4571 c++, (*nchans)++; 4572 } 4573 } 4574 } 4575 4576 static void 4577 addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans, 4578 const MWL_HAL_CHANNELINFO *ci, int flags) 4579 { 4580 struct ieee80211_channel *c; 4581 int i; 4582 4583 c = &chans[*nchans]; 4584 4585 for (i = 0; i < ci->nchannels; i++) { 4586 const struct mwl_hal_channel *hc; 4587 4588 hc = &ci->channels[i]; 4589 if (*nchans >= maxchans) 4590 break; 4591 addchan(c, hc->freq, flags, hc->ieee, hc->maxTxPow); 4592 c++, (*nchans)++; 4593 if (flags == IEEE80211_CHAN_G || flags == IEEE80211_CHAN_HTG) { 4594 /* g channel have a separate b-only entry */ 4595 if (*nchans >= maxchans) 4596 break; 4597 c[0] = c[-1]; 4598 c[-1].ic_flags = IEEE80211_CHAN_B; 4599 c++, (*nchans)++; 4600 } 4601 if (flags == IEEE80211_CHAN_HTG) { 4602 /* HT g channel have a separate g-only entry */ 4603 if (*nchans >= maxchans) 4604 break; 4605 c[-1].ic_flags = IEEE80211_CHAN_G; 4606 c[0] = c[-1]; 4607 c[0].ic_flags &= ~IEEE80211_CHAN_HT; 4608 c[0].ic_flags |= IEEE80211_CHAN_HT20; /* HT20 */ 4609 c++, (*nchans)++; 4610 } 4611 if (flags == IEEE80211_CHAN_HTA) { 4612 /* HT a channel have a separate a-only entry */ 4613 if (*nchans >= maxchans) 4614 break; 4615 c[-1].ic_flags = IEEE80211_CHAN_A; 4616 c[0] = c[-1]; 4617 c[0].ic_flags &= ~IEEE80211_CHAN_HT; 4618 c[0].ic_flags |= IEEE80211_CHAN_HT20; /* HT20 */ 4619 c++, (*nchans)++; 4620 } 4621 } 4622 } 4623 4624 static void 4625 getchannels(struct mwl_softc *sc, int maxchans, int *nchans, 4626 struct ieee80211_channel chans[]) 4627 { 4628 const MWL_HAL_CHANNELINFO *ci; 4629 4630 /* 4631 * Use the channel info from the hal to craft the 4632 * channel list. Note that we pass back an unsorted 4633 * list; the caller is required to sort it for us 4634 * (if desired). 4635 */ 4636 *nchans = 0; 4637 if (mwl_hal_getchannelinfo(sc->sc_mh, 4638 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0) 4639 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG); 4640 if (mwl_hal_getchannelinfo(sc->sc_mh, 4641 MWL_FREQ_BAND_5GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0) 4642 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA); 4643 if (mwl_hal_getchannelinfo(sc->sc_mh, 4644 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0) 4645 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG); 4646 if (mwl_hal_getchannelinfo(sc->sc_mh, 4647 MWL_FREQ_BAND_5GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0) 4648 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA); 4649 } 4650 4651 static void 4652 mwl_getradiocaps(struct ieee80211com *ic, 4653 int maxchans, int *nchans, struct ieee80211_channel chans[]) 4654 { 4655 struct mwl_softc *sc = ic->ic_ifp->if_softc; 4656 4657 getchannels(sc, maxchans, nchans, chans); 4658 } 4659 4660 static int 4661 mwl_getchannels(struct mwl_softc *sc) 4662 { 4663 struct ifnet *ifp = sc->sc_ifp; 4664 struct ieee80211com *ic = ifp->if_l2com; 4665 4666 /* 4667 * Use the channel info from the hal to craft the 4668 * channel list for net80211. Note that we pass up 4669 * an unsorted list; net80211 will sort it for us. 4670 */ 4671 memset(ic->ic_channels, 0, sizeof(ic->ic_channels)); 4672 ic->ic_nchans = 0; 4673 getchannels(sc, IEEE80211_CHAN_MAX, &ic->ic_nchans, ic->ic_channels); 4674 4675 ic->ic_regdomain.regdomain = SKU_DEBUG; 4676 ic->ic_regdomain.country = CTRY_DEFAULT; 4677 ic->ic_regdomain.location = 'I'; 4678 ic->ic_regdomain.isocc[0] = ' '; /* XXX? */ 4679 ic->ic_regdomain.isocc[1] = ' '; 4680 return (ic->ic_nchans == 0 ? EIO : 0); 4681 } 4682 #undef IEEE80211_CHAN_HTA 4683 #undef IEEE80211_CHAN_HTG 4684 4685 #ifdef MWL_DEBUG 4686 static void 4687 mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix) 4688 { 4689 const struct mwl_rxdesc *ds = bf->bf_desc; 4690 uint32_t status = le32toh(ds->Status); 4691 4692 printf("R[%2u] (DS.V:%p DS.P:0x%jx) NEXT:%08x DATA:%08x RC:%02x%s\n" 4693 " STAT:%02x LEN:%04x RSSI:%02x CHAN:%02x RATE:%02x QOS:%04x HT:%04x\n", 4694 ix, ds, (uintmax_t)bf->bf_daddr, le32toh(ds->pPhysNext), 4695 le32toh(ds->pPhysBuffData), ds->RxControl, 4696 ds->RxControl != EAGLE_RXD_CTRL_DRIVER_OWN ? 4697 "" : (status & EAGLE_RXD_STATUS_OK) ? " *" : " !", 4698 ds->Status, le16toh(ds->PktLen), ds->RSSI, ds->Channel, 4699 ds->Rate, le16toh(ds->QosCtrl), le16toh(ds->HtSig2)); 4700 } 4701 4702 static void 4703 mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix) 4704 { 4705 const struct mwl_txdesc *ds = bf->bf_desc; 4706 uint32_t status = le32toh(ds->Status); 4707 4708 printf("Q%u[%3u]", qnum, ix); 4709 printf(" (DS.V:%p DS.P:0x%jx)\n", ds, (uintmax_t)bf->bf_daddr); 4710 printf(" NEXT:%08x DATA:%08x LEN:%04x STAT:%08x%s\n", 4711 le32toh(ds->pPhysNext), 4712 le32toh(ds->PktPtr), le16toh(ds->PktLen), status, 4713 status & EAGLE_TXD_STATUS_USED ? 4714 "" : (status & 3) != 0 ? " *" : " !"); 4715 printf(" RATE:%02x PRI:%x QOS:%04x SAP:%08x FORMAT:%04x\n", 4716 ds->DataRate, ds->TxPriority, le16toh(ds->QosCtrl), 4717 le32toh(ds->SapPktInfo), le16toh(ds->Format)); 4718 #if MWL_TXDESC > 1 4719 printf(" MULTIFRAMES:%u LEN:%04x %04x %04x %04x %04x %04x\n" 4720 , le32toh(ds->multiframes) 4721 , le16toh(ds->PktLenArray[0]), le16toh(ds->PktLenArray[1]) 4722 , le16toh(ds->PktLenArray[2]), le16toh(ds->PktLenArray[3]) 4723 , le16toh(ds->PktLenArray[4]), le16toh(ds->PktLenArray[5]) 4724 ); 4725 printf(" DATA:%08x %08x %08x %08x %08x %08x\n" 4726 , le32toh(ds->PktPtrArray[0]), le32toh(ds->PktPtrArray[1]) 4727 , le32toh(ds->PktPtrArray[2]), le32toh(ds->PktPtrArray[3]) 4728 , le32toh(ds->PktPtrArray[4]), le32toh(ds->PktPtrArray[5]) 4729 ); 4730 #endif 4731 #if 0 4732 { const uint8_t *cp = (const uint8_t *) ds; 4733 int i; 4734 for (i = 0; i < sizeof(struct mwl_txdesc); i++) { 4735 printf("%02x ", cp[i]); 4736 if (((i+1) % 16) == 0) 4737 printf("\n"); 4738 } 4739 printf("\n"); 4740 } 4741 #endif 4742 } 4743 #endif /* MWL_DEBUG */ 4744 4745 #if 0 4746 static void 4747 mwl_txq_dump(struct mwl_txq *txq) 4748 { 4749 struct mwl_txbuf *bf; 4750 int i = 0; 4751 4752 MWL_TXQ_LOCK(txq); 4753 STAILQ_FOREACH(bf, &txq->active, bf_list) { 4754 struct mwl_txdesc *ds = bf->bf_desc; 4755 MWL_TXDESC_SYNC(txq, ds, 4756 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 4757 #ifdef MWL_DEBUG 4758 mwl_printtxbuf(bf, txq->qnum, i); 4759 #endif 4760 i++; 4761 } 4762 MWL_TXQ_UNLOCK(txq); 4763 } 4764 #endif 4765 4766 static void 4767 mwl_watchdog(void *arg) 4768 { 4769 struct mwl_softc *sc; 4770 struct ifnet *ifp; 4771 4772 sc = arg; 4773 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc); 4774 if (sc->sc_tx_timer == 0 || --sc->sc_tx_timer > 0) 4775 return; 4776 4777 ifp = sc->sc_ifp; 4778 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) && !sc->sc_invalid) { 4779 if (mwl_hal_setkeepalive(sc->sc_mh)) 4780 if_printf(ifp, "transmit timeout (firmware hung?)\n"); 4781 else 4782 if_printf(ifp, "transmit timeout\n"); 4783 #if 0 4784 mwl_reset(ifp); 4785 mwl_txq_dump(&sc->sc_txq[0]);/*XXX*/ 4786 #endif 4787 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 4788 sc->sc_stats.mst_watchdog++; 4789 } 4790 } 4791 4792 #ifdef MWL_DIAGAPI 4793 /* 4794 * Diagnostic interface to the HAL. This is used by various 4795 * tools to do things like retrieve register contents for 4796 * debugging. The mechanism is intentionally opaque so that 4797 * it can change frequently w/o concern for compatiblity. 4798 */ 4799 static int 4800 mwl_ioctl_diag(struct mwl_softc *sc, struct mwl_diag *md) 4801 { 4802 struct mwl_hal *mh = sc->sc_mh; 4803 u_int id = md->md_id & MWL_DIAG_ID; 4804 void *indata = NULL; 4805 void *outdata = NULL; 4806 u_int32_t insize = md->md_in_size; 4807 u_int32_t outsize = md->md_out_size; 4808 int error = 0; 4809 4810 if (md->md_id & MWL_DIAG_IN) { 4811 /* 4812 * Copy in data. 4813 */ 4814 indata = malloc(insize, M_TEMP, M_NOWAIT); 4815 if (indata == NULL) { 4816 error = ENOMEM; 4817 goto bad; 4818 } 4819 error = copyin(md->md_in_data, indata, insize); 4820 if (error) 4821 goto bad; 4822 } 4823 if (md->md_id & MWL_DIAG_DYN) { 4824 /* 4825 * Allocate a buffer for the results (otherwise the HAL 4826 * returns a pointer to a buffer where we can read the 4827 * results). Note that we depend on the HAL leaving this 4828 * pointer for us to use below in reclaiming the buffer; 4829 * may want to be more defensive. 4830 */ 4831 outdata = malloc(outsize, M_TEMP, M_NOWAIT); 4832 if (outdata == NULL) { 4833 error = ENOMEM; 4834 goto bad; 4835 } 4836 } 4837 if (mwl_hal_getdiagstate(mh, id, indata, insize, &outdata, &outsize)) { 4838 if (outsize < md->md_out_size) 4839 md->md_out_size = outsize; 4840 if (outdata != NULL) 4841 error = copyout(outdata, md->md_out_data, 4842 md->md_out_size); 4843 } else { 4844 error = EINVAL; 4845 } 4846 bad: 4847 if ((md->md_id & MWL_DIAG_IN) && indata != NULL) 4848 free(indata, M_TEMP); 4849 if ((md->md_id & MWL_DIAG_DYN) && outdata != NULL) 4850 free(outdata, M_TEMP); 4851 return error; 4852 } 4853 4854 static int 4855 mwl_ioctl_reset(struct mwl_softc *sc, struct mwl_diag *md) 4856 { 4857 struct mwl_hal *mh = sc->sc_mh; 4858 int error; 4859 4860 MWL_LOCK_ASSERT(sc); 4861 4862 if (md->md_id == 0 && mwl_hal_fwload(mh, NULL) != 0) { 4863 device_printf(sc->sc_dev, "unable to load firmware\n"); 4864 return EIO; 4865 } 4866 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) { 4867 device_printf(sc->sc_dev, "unable to fetch h/w specs\n"); 4868 return EIO; 4869 } 4870 error = mwl_setupdma(sc); 4871 if (error != 0) { 4872 /* NB: mwl_setupdma prints a msg */ 4873 return error; 4874 } 4875 /* 4876 * Reset tx/rx data structures; after reload we must 4877 * re-start the driver's notion of the next xmit/recv. 4878 */ 4879 mwl_draintxq(sc); /* clear pending frames */ 4880 mwl_resettxq(sc); /* rebuild tx q lists */ 4881 sc->sc_rxnext = NULL; /* force rx to start at the list head */ 4882 return 0; 4883 } 4884 #endif /* MWL_DIAGAPI */ 4885 4886 static int 4887 mwl_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 4888 { 4889 #define IS_RUNNING(ifp) \ 4890 ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING)) 4891 struct mwl_softc *sc = ifp->if_softc; 4892 struct ieee80211com *ic = ifp->if_l2com; 4893 struct ifreq *ifr = (struct ifreq *)data; 4894 int error = 0, startall; 4895 4896 switch (cmd) { 4897 case SIOCSIFFLAGS: 4898 MWL_LOCK(sc); 4899 startall = 0; 4900 if (IS_RUNNING(ifp)) { 4901 /* 4902 * To avoid rescanning another access point, 4903 * do not call mwl_init() here. Instead, 4904 * only reflect promisc mode settings. 4905 */ 4906 mwl_mode_init(sc); 4907 } else if (ifp->if_flags & IFF_UP) { 4908 /* 4909 * Beware of being called during attach/detach 4910 * to reset promiscuous mode. In that case we 4911 * will still be marked UP but not RUNNING. 4912 * However trying to re-init the interface 4913 * is the wrong thing to do as we've already 4914 * torn down much of our state. There's 4915 * probably a better way to deal with this. 4916 */ 4917 if (!sc->sc_invalid) { 4918 mwl_init_locked(sc); /* XXX lose error */ 4919 startall = 1; 4920 } 4921 } else 4922 mwl_stop_locked(ifp, 1); 4923 MWL_UNLOCK(sc); 4924 if (startall) 4925 ieee80211_start_all(ic); 4926 break; 4927 case SIOCGMVSTATS: 4928 mwl_hal_gethwstats(sc->sc_mh, &sc->sc_stats.hw_stats); 4929 /* NB: embed these numbers to get a consistent view */ 4930 sc->sc_stats.mst_tx_packets = 4931 ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS); 4932 sc->sc_stats.mst_rx_packets = 4933 ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS); 4934 /* 4935 * NB: Drop the softc lock in case of a page fault; 4936 * we'll accept any potential inconsisentcy in the 4937 * statistics. The alternative is to copy the data 4938 * to a local structure. 4939 */ 4940 return copyout(&sc->sc_stats, 4941 ifr->ifr_data, sizeof (sc->sc_stats)); 4942 #ifdef MWL_DIAGAPI 4943 case SIOCGMVDIAG: 4944 /* XXX check privs */ 4945 return mwl_ioctl_diag(sc, (struct mwl_diag *) ifr); 4946 case SIOCGMVRESET: 4947 /* XXX check privs */ 4948 MWL_LOCK(sc); 4949 error = mwl_ioctl_reset(sc,(struct mwl_diag *) ifr); 4950 MWL_UNLOCK(sc); 4951 break; 4952 #endif /* MWL_DIAGAPI */ 4953 case SIOCGIFMEDIA: 4954 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 4955 break; 4956 case SIOCGIFADDR: 4957 error = ether_ioctl(ifp, cmd, data); 4958 break; 4959 default: 4960 error = EINVAL; 4961 break; 4962 } 4963 return error; 4964 #undef IS_RUNNING 4965 } 4966 4967 #ifdef MWL_DEBUG 4968 static int 4969 mwl_sysctl_debug(SYSCTL_HANDLER_ARGS) 4970 { 4971 struct mwl_softc *sc = arg1; 4972 int debug, error; 4973 4974 debug = sc->sc_debug | (mwl_hal_getdebug(sc->sc_mh) << 24); 4975 error = sysctl_handle_int(oidp, &debug, 0, req); 4976 if (error || !req->newptr) 4977 return error; 4978 mwl_hal_setdebug(sc->sc_mh, debug >> 24); 4979 sc->sc_debug = debug & 0x00ffffff; 4980 return 0; 4981 } 4982 #endif /* MWL_DEBUG */ 4983 4984 static void 4985 mwl_sysctlattach(struct mwl_softc *sc) 4986 { 4987 #ifdef MWL_DEBUG 4988 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 4989 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 4990 4991 sc->sc_debug = mwl_debug; 4992 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 4993 "debug", CTLTYPE_INT | CTLFLAG_RW, sc, 0, 4994 mwl_sysctl_debug, "I", "control debugging printfs"); 4995 #endif 4996 } 4997 4998 /* 4999 * Announce various information on device/driver attach. 5000 */ 5001 static void 5002 mwl_announce(struct mwl_softc *sc) 5003 { 5004 struct ifnet *ifp = sc->sc_ifp; 5005 5006 if_printf(ifp, "Rev A%d hardware, v%d.%d.%d.%d firmware (regioncode %d)\n", 5007 sc->sc_hwspecs.hwVersion, 5008 (sc->sc_hwspecs.fwReleaseNumber>>24) & 0xff, 5009 (sc->sc_hwspecs.fwReleaseNumber>>16) & 0xff, 5010 (sc->sc_hwspecs.fwReleaseNumber>>8) & 0xff, 5011 (sc->sc_hwspecs.fwReleaseNumber>>0) & 0xff, 5012 sc->sc_hwspecs.regionCode); 5013 sc->sc_fwrelease = sc->sc_hwspecs.fwReleaseNumber; 5014 5015 if (bootverbose) { 5016 int i; 5017 for (i = 0; i <= WME_AC_VO; i++) { 5018 struct mwl_txq *txq = sc->sc_ac2q[i]; 5019 if_printf(ifp, "Use hw queue %u for %s traffic\n", 5020 txq->qnum, ieee80211_wme_acnames[i]); 5021 } 5022 } 5023 if (bootverbose || mwl_rxdesc != MWL_RXDESC) 5024 if_printf(ifp, "using %u rx descriptors\n", mwl_rxdesc); 5025 if (bootverbose || mwl_rxbuf != MWL_RXBUF) 5026 if_printf(ifp, "using %u rx buffers\n", mwl_rxbuf); 5027 if (bootverbose || mwl_txbuf != MWL_TXBUF) 5028 if_printf(ifp, "using %u tx buffers\n", mwl_txbuf); 5029 if (bootverbose && mwl_hal_ismbsscapable(sc->sc_mh)) 5030 if_printf(ifp, "multi-bss support\n"); 5031 #ifdef MWL_TX_NODROP 5032 if (bootverbose) 5033 if_printf(ifp, "no tx drop\n"); 5034 #endif 5035 } 5036