/*- * Copyright (c) 2009-2010 Alexander Egorenkov * Copyright (c) 2009 Damien Bergamini * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include /* * Defines and macros */ #define RT2860_MAX_AGG_SIZE 3840 #define RT2860_TX_DATA_SEG0_SIZE \ (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4)) #define RT2860_NOISE_FLOOR -95 #define IEEE80211_HAS_ADDR4(wh) \ (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S) #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f) #define RT2860_TX_WATCHDOG_TIMEOUT 5 #define RT2860_WCID_RESERVED 0xff #define RT2860_WCID_MCAST 0xf7 /* * Global function prototypes, used in bus depended interfaces */ int rt2860_attach(device_t dev); int rt2860_detach(device_t dev); int rt2860_shutdown(device_t dev); int rt2860_suspend(device_t dev); int rt2860_resume(device_t dev); /* * Static function prototypes */ static void rt2860_init_channels(struct rt2860_softc *sc); static void rt2860_init_channels_ht40(struct rt2860_softc *sc); static void rt2860_init_locked(void *priv); static void rt2860_init(void *priv); static int rt2860_init_bbp(struct rt2860_softc *sc); static void rt2860_stop_locked(void *priv); static void rt2860_stop(void *priv); static void rt2860_start(struct ifnet *ifp); static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]); static void rt2860_vap_delete(struct ieee80211vap *vap); static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd); static int rt2860_vap_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg); static void rt2860_vap_key_update_begin(struct ieee80211vap *vap); static void rt2860_vap_key_update_end(struct ieee80211vap *vap); static int rt2860_vap_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]); static int rt2860_vap_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k); static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what); static int rt2860_media_change(struct ifnet *ifp); static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]); static void rt2860_node_cleanup(struct ieee80211_node *ni); static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni, struct ieee80211_mimo_info *mi); static int rt2860_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *reg, int nchans, struct ieee80211_channel chans[]); static void rt2860_getradiocaps(struct ieee80211com *ic, int maxchans, int *nchans, struct ieee80211_channel chans[]); static void rt2860_scan_start(struct ieee80211com *ic); static void rt2860_scan_end(struct ieee80211com *ic); static void rt2860_set_channel(struct ieee80211com *ic); static void rt2860_newassoc(struct ieee80211_node *ni, int isnew); static void rt2860_updateslot(struct ifnet *ifp); static void rt2860_update_promisc(struct ifnet *ifp); static void rt2860_update_mcast(struct ifnet *ifp); static int rt2860_wme_update(struct ieee80211com *ic); static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params); static int rt2860_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh, const uint8_t *frm, const uint8_t *efrm); static int rt2860_send_action(struct ieee80211_node *ni, int cat, int act, void *sa); static int rt2860_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, int status, int baparamset, int batimeout); static void rt2860_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap); static int rt2860_ampdu_rx_start(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap, int baparamset, int batimeout, int baseqctl); static void rt2860_ampdu_rx_stop(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap); static int rt2860_send_bar(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno); static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni); static void rt2860_periodic(void *arg); static void rt2860_tx_watchdog(void *arg); static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid); static void rt2860_staid_delete(struct rt2860_softc *sc, int staid); static void rt2860_asic_set_bssid(struct rt2860_softc *sc, const uint8_t *bssid); static void rt2860_asic_set_macaddr(struct rt2860_softc *sc, const uint8_t *addr); static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc); static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc); static void rt2860_asic_enable_mrr(struct rt2860_softc *sc); static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc); static void rt2860_asic_set_basicrates(struct rt2860_softc *sc); static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc); static void rt2860_asic_update_txpower(struct rt2860_softc *sc); static void rt2860_asic_update_promisc(struct rt2860_softc *sc); static void rt2860_asic_updateprot(struct rt2860_softc *sc); static void rt2860_asic_updateslot(struct rt2860_softc *sc); static void rt2860_asic_wme_update(struct rt2860_softc *sc); static void rt2860_asic_update_beacon(struct rt2860_softc *sc, struct ieee80211vap *vap); static void rt2860_asic_clear_keytables(struct rt2860_softc *sc); static void rt2860_asic_add_ba_session(struct rt2860_softc *sc, uint8_t wcid, int tid); static void rt2860_asic_del_ba_session(struct rt2860_softc *sc, uint8_t wcid, int tid); static int rt2860_beacon_alloc(struct rt2860_softc *sc, struct ieee80211vap *vap); static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi); static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc, const struct rt2860_rxwi *rxwi); static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc, uint8_t rssi, uint8_t rxpath); static uint8_t rt2860_rate2mcs(uint8_t rate); static int rt2860_tx_mgmt(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int qid); static int rt2860_tx_data(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int qid); /* static int rt2860_tx_raw(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, const struct ieee80211_bpf_params *params); */ static void rt2860_intr(void *arg); static void rt2860_tx_coherent_intr(struct rt2860_softc *sc); static void rt2860_rx_coherent_intr(struct rt2860_softc *sc); static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc); static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc); static void rt2860_rx_intr(struct rt2860_softc *sc); static void rt2860_rx_delay_intr(struct rt2860_softc *sc); static void rt2860_tx_intr(struct rt2860_softc *sc, int qid); static void rt2860_tx_delay_intr(struct rt2860_softc *sc); static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc); static void rt2860_tbtt_intr(struct rt2860_softc *sc); static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc); static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc); static void rt2860_gp_timer_intr(struct rt2860_softc *sc); static void rt2860_rx_done_task(void *context, int pending); static void rt2860_tx_done_task(void *context, int pending); static void rt2860_fifo_sta_full_task(void *context, int pending); static void rt2860_periodic_task(void *context, int pending); static int rt2860_rx_eof(struct rt2860_softc *sc, int limit); static void rt2860_tx_eof(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring); static void rt2860_update_stats(struct rt2860_softc *sc); static void rt2860_bbp_tuning(struct rt2860_softc *sc); static void rt2860_watchdog(struct rt2860_softc *sc); static void rt2860_drain_fifo_stats(struct rt2860_softc *sc); static void rt2860_update_raw_counters(struct rt2860_softc *sc); static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask); static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask); static int rt2860_txrx_enable(struct rt2860_softc *sc); static int rt2860_alloc_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring); static void rt2860_reset_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring); static void rt2860_free_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring); static int rt2860_alloc_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring, int qid); static void rt2860_reset_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring); static void rt2860_free_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring); static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error); static void rt2860_sysctl_attach(struct rt2860_softc *sc); /* * Static variables */ static const struct { uint32_t reg; uint32_t val; } rt2860_def_mac[] = { { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 }, { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 }, { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f }, { RT2860_REG_HT_BASIC_RATE, 0x00008003 }, { RT2860_REG_SYS_CTRL, 0x00000000 }, { RT2860_REG_RX_FILTER_CFG, 0x00017f97 }, { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 }, { RT2860_REG_TX_SW_CFG0, 0x00000000 }, { RT2860_REG_TX_SW_CFG1, 0x00080606 }, { RT2860_REG_TX_LINK_CFG, 0x00001020 }, { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 }, { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE }, { RT2860_REG_LED_CFG, 0x7f031e46 }, { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f }, { RT2860_REG_TX_RTY_CFG, 0x47d01f0f }, { RT2860_REG_AUTO_RSP_CFG, 0x00000013 }, { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 }, { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 }, { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 }, { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 }, { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 }, { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 }, { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f }, { RT2860_REG_TX_RTS_CFG, 0x00092b20 }, { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca }, { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 }, { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 }, { RT2860_REG_PWR_PIN_CFG, 0x00000003 }, { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 }, { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 }, { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa }, }; #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0])) static const struct { uint8_t reg; uint8_t val; } rt2860_def_bbp[] = { { 65, 0x2c }, { 66, 0x38 }, { 69, 0x12 }, { 70, 0x0a }, { 73, 0x10 }, { 81, 0x37 }, { 82, 0x62 }, { 83, 0x6a }, { 84, 0x99 }, { 86, 0x00 }, { 91, 0x04 }, { 92, 0x00 }, { 103, 0x00 }, { 105, 0x05 }, { 106, 0x35 }, }; #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0])) SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters"); static int rt2860_tx_stbc = 1; SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "RT2860 Tx STBC"); TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc); #ifdef RT2860_DEBUG //static int rt2860_debug = 0xffffffff; static int rt2860_debug = 0; SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "RT2860 debug level"); TUNABLE_INT("hw.rt2860.debug", &rt2860_debug); #endif /* * rt2860_attach */ int rt2860_attach(device_t dev) { struct rt2860_softc *sc; struct ifnet *ifp; struct ieee80211com *ic; int error, ntries, i; sc = device_get_softc(dev); sc->dev = dev; mtx_init(&sc->lock, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, RF_ACTIVE); if (sc->mem == NULL) { printf("%s: could not allocate memory resource\n", device_get_nameunit(dev)); error = ENXIO; goto fail; } sc->bst = rman_get_bustag(sc->mem); sc->bsh = rman_get_bushandle(sc->mem); sc->irq_rid = 0; sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE); if (sc->irq == NULL) { printf("%s: could not allocate interrupt resource\n", device_get_nameunit(dev)); error = ENXIO; goto fail; } sc->tx_stbc = rt2860_tx_stbc; #ifdef RT2860_DEBUG sc->debug = rt2860_debug; SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level"); #endif RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: attaching\n", device_get_nameunit(sc->dev)); /* wait for NIC to initialize */ for (ntries = 0; ntries < 100; ntries++) { sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0); if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff) break; DELAY(10); } if (ntries == 100) { printf("%s: timeout waiting for NIC to initialize\n", device_get_nameunit(dev)); error = EIO; goto fail; } rt2860_read_eeprom(sc); printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n", device_get_nameunit(sc->dev), sc->mac_rev, rt2860_rf_name(sc->rf_rev)); /* clear key tables */ rt2860_asic_clear_keytables(sc); /* allocate Tx and Rx rings */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) { error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i); if (error != 0) { printf("%s: could not allocate Tx ring #%d\n", device_get_nameunit(sc->dev), i); goto fail; } } sc->tx_ring_mgtqid = 5; error = rt2860_alloc_rx_ring(sc, &sc->rx_ring); if (error != 0) { printf("%s: could not allocate Rx ring\n", device_get_nameunit(sc->dev)); goto fail; } callout_init(&sc->periodic_ch, 0); callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0); ifp = sc->ifp = if_alloc(IFT_IEEE80211); if (ifp == NULL) { printf("%s: could not if_alloc()\n", device_get_nameunit(sc->dev)); error = ENOMEM; goto fail; } ifp->if_softc = sc; if_initname(ifp, "rt2860", device_get_unit(sc->dev)); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_init = rt2860_init; ifp->if_ioctl = rt2860_ioctl; ifp->if_start = rt2860_start; IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; IFQ_SET_READY(&ifp->if_snd); ic = ifp->if_l2com; ic->ic_ifp = ifp; ic->ic_phytype = IEEE80211_T_HT; ic->ic_opmode = IEEE80211_M_STA; ic->ic_caps = IEEE80211_C_MONITOR | IEEE80211_C_IBSS | IEEE80211_C_STA | IEEE80211_C_AHDEMO | IEEE80211_C_HOSTAP | IEEE80211_C_WDS | IEEE80211_C_MBSS | IEEE80211_C_BGSCAN | IEEE80211_C_TXPMGT | IEEE80211_C_SHPREAMBLE | IEEE80211_C_SHSLOT | IEEE80211_C_TXFRAG | IEEE80211_C_BURST | IEEE80211_C_WME | IEEE80211_C_WPA; ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP | IEEE80211_CRYPTO_TKIP | IEEE80211_CRYPTO_TKIPMIC | IEEE80211_CRYPTO_AES_CCM; ic->ic_htcaps = IEEE80211_HTC_HT | IEEE80211_HTC_AMSDU | /* A-MSDU Tx */ IEEE80211_HTC_AMPDU | /* A-MPDU Tx */ IEEE80211_HTC_SMPS | /* MIMO power save */ IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */ IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */ IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */ IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */ IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */ IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */ /* spatial streams */ if (sc->nrxpath == 2) ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM; else if (sc->nrxpath == 3) ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM; else ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM; if (sc->ntxpath > 1) ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC; /* delayed BA */ if (sc->mac_rev != 0x28600100) ic->ic_htcaps |= IEEE80211_HTCAP_DELBA; /* init channels */ ic->ic_nchans = 0; rt2860_init_channels(sc); rt2860_init_channels_ht40(sc); ieee80211_ifattach(ic, sc->mac_addr); ic->ic_vap_create = rt2860_vap_create; ic->ic_vap_delete = rt2860_vap_delete; ic->ic_node_alloc = rt2860_node_alloc; sc->node_cleanup = ic->ic_node_cleanup; ic->ic_node_cleanup = rt2860_node_cleanup; ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo; ic->ic_setregdomain = rt2860_setregdomain; ic->ic_getradiocaps = rt2860_getradiocaps; ic->ic_scan_start = rt2860_scan_start; ic->ic_scan_end = rt2860_scan_end; ic->ic_set_channel = rt2860_set_channel; ic->ic_newassoc = rt2860_newassoc; ic->ic_updateslot = rt2860_updateslot; ic->ic_update_promisc = rt2860_update_promisc; ic->ic_update_mcast = rt2860_update_mcast; ic->ic_wme.wme_update = rt2860_wme_update; ic->ic_raw_xmit = rt2860_raw_xmit; sc->recv_action = ic->ic_recv_action; ic->ic_recv_action = rt2860_recv_action; sc->send_action = ic->ic_send_action; ic->ic_send_action = rt2860_send_action; sc->addba_response = ic->ic_addba_response; ic->ic_addba_response = rt2860_addba_response; sc->addba_stop = ic->ic_addba_stop; ic->ic_addba_stop = rt2860_addba_stop; sc->ampdu_rx_start = ic->ic_ampdu_rx_start; ic->ic_ampdu_rx_start = rt2860_ampdu_rx_start; sc->ampdu_rx_stop = ic->ic_ampdu_rx_stop; ic->ic_ampdu_rx_stop = rt2860_ampdu_rx_stop; /* hardware requires padding between 802.11 frame header and body */ ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH; ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; ieee80211_radiotap_attach(ic, &sc->txtap.ihdr, sizeof(sc->txtap), RT2860_SOFTC_TX_RADIOTAP_PRESENT, &sc->rxtap.ihdr, sizeof(sc->rxtap), RT2860_SOFTC_RX_RADIOTAP_PRESENT); /* init task queue */ TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc); TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc); TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc); TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc); sc->rx_process_limit = 100; sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT, taskqueue_thread_enqueue, &sc->taskqueue); taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq", device_get_nameunit(sc->dev)); rt2860_sysctl_attach(sc); if (bootverbose) ieee80211_announce(ic); /* set up interrupt */ error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, rt2860_intr, sc, &sc->irqh); if (error != 0) { printf("%s: could not set up interrupt\n", device_get_nameunit(dev)); goto fail; } return 0; fail: /* free Tx and Rx rings */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_free_tx_ring(sc, &sc->tx_ring[i]); rt2860_free_rx_ring(sc, &sc->rx_ring); mtx_destroy(&sc->lock); if (sc->mem != NULL) bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); if (sc->irq != NULL) bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); return error; } /* * rt2860_detach */ int rt2860_detach(device_t dev) { struct rt2860_softc *sc; struct ifnet *ifp; struct ieee80211com *ic; int i; sc = device_get_softc(dev); ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: detaching\n", device_get_nameunit(sc->dev)); RT2860_SOFTC_LOCK(sc); ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); callout_stop(&sc->periodic_ch); callout_stop(&sc->tx_watchdog_ch); taskqueue_drain(sc->taskqueue, &sc->rx_done_task); taskqueue_drain(sc->taskqueue, &sc->tx_done_task); taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task); taskqueue_drain(sc->taskqueue, &sc->periodic_task); /* free Tx and Rx rings */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_free_tx_ring(sc, &sc->tx_ring[i]); rt2860_free_rx_ring(sc, &sc->rx_ring); RT2860_SOFTC_UNLOCK(sc); ieee80211_ifdetach(ic); if_free(ifp); taskqueue_free(sc->taskqueue); mtx_destroy(&sc->lock); bus_generic_detach(dev); bus_teardown_intr(dev, sc->irq, sc->irqh); bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); return 0; } /* * rt2860_shutdown */ int rt2860_shutdown(device_t dev) { struct rt2860_softc *sc; sc = device_get_softc(dev); RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: shutting down\n", device_get_nameunit(sc->dev)); rt2860_stop(sc); sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED; return 0; } /* * rt2860_suspend */ int rt2860_suspend(device_t dev) { struct rt2860_softc *sc; sc = device_get_softc(dev); RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: suspending\n", device_get_nameunit(sc->dev)); rt2860_stop(sc); sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED; return 0; } /* * rt2860_resume */ int rt2860_resume(device_t dev) { struct rt2860_softc *sc; struct ifnet *ifp; sc = device_get_softc(dev); ifp = sc->ifp; RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: resuming\n", device_get_nameunit(sc->dev)); if (ifp->if_flags & IFF_UP) rt2860_init(sc); return 0; } /* * rt2860_init_channels */ static void rt2860_init_channels(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211_channel *c; int i, flags; ifp = sc->ifp; ic = ifp->if_l2com; /* set supported channels for 2GHz band */ for (i = 1; i <= 14; i++) { c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_B; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_G; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; } /* set supported channels for 5GHz band */ if (sc->rf_rev == RT2860_EEPROM_RF_2850 || sc->rf_rev == RT2860_EEPROM_RF_2750 || sc->rf_rev == RT2860_EEPROM_RF_3052) { for (i = 36; i <= 64; i += 4) { c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; } for (i = 100; i <= 140; i += 4) { c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; } for (i = 149; i <= 165; i += 4) { c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; c = &ic->ic_channels[ic->ic_nchans++]; flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20; c->ic_freq = ieee80211_ieee2mhz(i, flags); c->ic_ieee = i; c->ic_flags = flags; } } } /* * rt2860_init_channels_ht40 */ static void rt2860_init_channels_ht40(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211_channel *c, *cent, *ext; int i, flags; ifp = sc->ifp; ic = ifp->if_l2com; /* set supported channels for 2GHz band */ for (i = 1; i <= 14; i++) { flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40; /* find the center channel */ cent = ieee80211_find_channel_byieee(ic, i, flags & ~IEEE80211_CHAN_HT); if (cent == NULL) { printf("%s: skip channel %d, could not find center channel\n", device_get_nameunit(sc->dev), i); continue; } /* find the extension channel */ ext = ieee80211_find_channel(ic, cent->ic_freq + 20, flags & ~IEEE80211_CHAN_HT); if (ext == NULL) { printf("%s: skip channel %d, could not find extension channel\n", device_get_nameunit(sc->dev), i); continue; } c = &ic->ic_channels[ic->ic_nchans++]; *c = *cent; c->ic_extieee = ext->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40U; c = &ic->ic_channels[ic->ic_nchans++]; *c = *ext; c->ic_extieee = cent->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40D; } /* set supported channels for 5GHz band */ if (sc->rf_rev == RT2860_EEPROM_RF_2850 || sc->rf_rev == RT2860_EEPROM_RF_2750 || sc->rf_rev == RT2860_EEPROM_RF_3052) { for (i = 36; i <= 64; i += 4) { flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40; /* find the center channel */ cent = ieee80211_find_channel_byieee(ic, i, flags & ~IEEE80211_CHAN_HT); if (cent == NULL) { printf("%s: skip channel %d, could not find center channel\n", device_get_nameunit(sc->dev), i); continue; } /* find the extension channel */ ext = ieee80211_find_channel(ic, cent->ic_freq + 20, flags & ~IEEE80211_CHAN_HT); if (ext == NULL) { printf("%s: skip channel %d, could not find extension channel\n", device_get_nameunit(sc->dev), i); continue; } c = &ic->ic_channels[ic->ic_nchans++]; *c = *cent; c->ic_extieee = ext->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40U; c = &ic->ic_channels[ic->ic_nchans++]; *c = *ext; c->ic_extieee = cent->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40D; } for (i = 100; i <= 140; i += 4) { flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40; /* find the center channel */ cent = ieee80211_find_channel_byieee(ic, i, flags & ~IEEE80211_CHAN_HT); if (cent == NULL) { printf("%s: skip channel %d, could not find center channel\n", device_get_nameunit(sc->dev), i); continue; } /* find the extension channel */ ext = ieee80211_find_channel(ic, cent->ic_freq + 20, flags & ~IEEE80211_CHAN_HT); if (ext == NULL) { printf("%s: skip channel %d, could not find extension channel\n", device_get_nameunit(sc->dev), i); continue; } c = &ic->ic_channels[ic->ic_nchans++]; *c = *cent; c->ic_extieee = ext->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40U; c = &ic->ic_channels[ic->ic_nchans++]; *c = *ext; c->ic_extieee = cent->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40D; } for (i = 149; i <= 165; i += 4) { flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40; /* find the center channel */ cent = ieee80211_find_channel_byieee(ic, i, flags & ~IEEE80211_CHAN_HT); if (cent == NULL) { printf("%s: skip channel %d, could not find center channel\n", device_get_nameunit(sc->dev), i); continue; } /* find the extension channel */ ext = ieee80211_find_channel(ic, cent->ic_freq + 20, flags & ~IEEE80211_CHAN_HT); if (ext == NULL) { printf("%s: skip channel %d, could not find extension channel\n", device_get_nameunit(sc->dev), i); continue; } c = &ic->ic_channels[ic->ic_nchans++]; *c = *cent; c->ic_extieee = ext->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40U; c = &ic->ic_channels[ic->ic_nchans++]; *c = *ext; c->ic_extieee = cent->ic_ieee; c->ic_flags &= ~IEEE80211_CHAN_HT; c->ic_flags |= IEEE80211_CHAN_HT40D; } } } /* * rt2860_init_locked */ static void rt2860_init_locked(void *priv) { struct rt2860_softc *sc; struct ifnet *ifp; struct ieee80211com *ic; int error, i, ntries; uint32_t tmp, stacnt[6]; sc = priv; ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: initializing\n", device_get_nameunit(sc->dev)); RT2860_SOFTC_ASSERT_LOCKED(sc); if (sc->mac_rev != 0x28720200) { if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED)) { RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: loading 8051 microcode\n", device_get_nameunit(sc->dev)); error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode)); if (error != 0) { printf("%s: could not load 8051 microcode\n", device_get_nameunit(sc->dev)); goto fail; } RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: 8051 microcode was successfully loaded\n", device_get_nameunit(sc->dev)); sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED; } } else { sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED; /* Blink every TX */ #define LED_CFG_LED_POLARITY (1<<30) #define LED_CFG_Y_LED_MODE_ONTX (1<<28) #define LED_CFG_G_LED_MODE_ONTX (1<<26) #define LED_CFG_R_LED_MODE_ONTX (1<<24) #define LED_CFG_SLOW_BLK_TIME (0x03<<16) /* sec */ #define LED_CFG_LED_OFF_TIME (0x1e<<8) /* msec */ #define LED_CFG_LED_ON_TIME (0x46) /* msec */ rt2860_io_mac_write(sc, RT2860_REG_LED_CFG, LED_CFG_LED_POLARITY | LED_CFG_Y_LED_MODE_ONTX | LED_CFG_G_LED_MODE_ONTX | LED_CFG_R_LED_MODE_ONTX | LED_CFG_SLOW_BLK_TIME | LED_CFG_LED_OFF_TIME | LED_CFG_LED_ON_TIME); } rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2); /* disable DMA engine */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); tmp &= 0xff0; tmp |= RT2860_REG_TX_WB_DDONE; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff); /* PBF hardware reset */ rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f); rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00); /* wait while DMA engine is busy */ for (ntries = 0; ntries < 100; ntries++) { tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY))) break; DELAY(1000); } if (ntries == 100) { printf("%s: timeout waiting for DMA engine\n", device_get_nameunit(sc->dev)); goto fail; } tmp &= 0xff0; tmp |= RT2860_REG_TX_WB_DDONE; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* reset Rx and Tx rings */ tmp = RT2860_REG_RST_IDX_RX | RT2860_REG_RST_IDX_TX_MGMT | RT2860_REG_RST_IDX_TX_HCCA | RT2860_REG_RST_IDX_TX_AC3 | RT2860_REG_RST_IDX_TX_AC2 | RT2860_REG_RST_IDX_TX_AC1 | RT2860_REG_RST_IDX_TX_AC0; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp); /* PBF hardware reset */ rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f); rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00); rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3); rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST); rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0); /* init Tx power per rate */ for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++) { if (sc->txpow_rate_20mhz[i] == 0xffffffff) continue; rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), sc->txpow_rate_20mhz[i]); } for (i = 0; i < RT2860_DEF_MAC_SIZE; i++) rt2860_io_mac_write(sc, rt2860_def_mac[i].reg, rt2860_def_mac[i].val); /* wait while MAC is busy */ for (ntries = 0; ntries < 100; ntries++) { if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) & (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY))) break; DELAY(1000); } if (ntries == 100) { printf("%s: timeout waiting for MAC\n", device_get_nameunit(sc->dev)); goto fail; } /* clear Host to MCU mailbox */ rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0); rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0); rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT, RT2860_REG_H2M_TOKEN_NO_INTR, 0); DELAY(1000); error = rt2860_init_bbp(sc); if (error != 0) goto fail; /* set up maximum buffer sizes */ tmp = (1 << 12) | RT2860_MAX_AGG_SIZE; rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp); if (sc->mac_rev == 0x28720200) { /* set max. PSDU length from 16K to 32K bytes */ tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG); tmp &= ~(3 << 12); tmp |= (2 << 12); rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp); } if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200) { tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG); tmp &= 0xfff; tmp |= 0x2000; rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp); } /* set mac address */ rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp)); /* clear statistic registers */ rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0, stacnt, sizeof(stacnt)); /* set RTS threshold */ rt2860_asic_update_rtsthreshold(sc); /* set Tx power */ rt2860_asic_update_txpower(sc); /* set up protection mode */ sc->tx_ampdu_sessions = 0; rt2860_asic_updateprot(sc); /* clear beacon frame space (entries = 8, entry size = 512) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024); taskqueue_unblock(sc->taskqueue); /* init Tx rings (4 EDCAs + HCCA + MGMT) */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_reset_tx_ring(sc, &sc->tx_ring[i]); for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) { rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i), sc->tx_ring[i].desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i), RT2860_SOFTC_TX_RING_DESC_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0); } /* init Rx ring */ rt2860_reset_rx_ring(sc, &sc->rx_ring); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR, sc->rx_ring.desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT, RT2860_SOFTC_RX_RING_DATA_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, RT2860_SOFTC_RX_RING_DATA_COUNT - 1); /* wait while DMA engine is busy */ for (ntries = 0; ntries < 100; ntries++) { tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY))) break; DELAY(1000); } if (ntries == 100) { printf("%s: timeout waiting for DMA engine\n", device_get_nameunit(sc->dev)); goto fail; } tmp &= 0xff0; tmp |= RT2860_REG_TX_WB_DDONE; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* disable interrupts mitigation */ rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0); /* select Main antenna for 1T1R devices */ if (sc->rf_rev == RT2860_EEPROM_RF_2020 || sc->rf_rev == RT2860_EEPROM_RF_3020 || sc->rf_rev == RT2860_EEPROM_RF_3320) rt3090_set_rx_antenna(sc, 0); /* send LEDs operating mode to microcontroller */ rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1, RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]); rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2, RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]); rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3, RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]); /* turn radio LED on */ rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON); /* write vendor-specific BBP values (from EEPROM) */ for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++) { if (sc->bbp_eeprom[i].reg == 0x00 || sc->bbp_eeprom[i].reg == 0xff) continue; rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg, sc->bbp_eeprom[i].val); } if ((sc->mac_rev & 0xffff0000) >= 0x30710000) rt3090_rf_init(sc); if (sc->mac_rev != 0x28720200) { /* 0x28720200 don`t have RT2860_REG_SCHDMA_GPIO_CTRL_CFG */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG); if (tmp & (1 << 2)) { rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP, RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff); rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF); rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP, RT2860_REG_H2M_TOKEN_WAKEUP, 0); rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP); } } if ((sc->mac_rev & 0xffff0000) >= 0x30710000) rt3090_rf_wakeup(sc); /* disable non-existing Rx chains */ tmp = rt2860_io_bbp_read(sc, 3); tmp &= ~((1 << 4) | (1 << 3)); if (sc->nrxpath == 3) tmp |= (1 << 4); else if (sc->nrxpath == 2) tmp |= (1 << 3); rt2860_io_bbp_write(sc, 3, tmp); /* disable non-existing Tx chains */ tmp = rt2860_io_bbp_read(sc, 1); tmp &= ~((1 << 4) | (1 << 3)); if (sc->ntxpath == 2) tmp |= (1 << 4); rt2860_io_bbp_write(sc, 1, tmp); if ((sc->mac_rev & 0xffff0000) >= 0x30710000) rt3090_rf_setup(sc); if (sc->rf_rev == RT2860_EEPROM_RF_3022) { /* calibrate RF */ tmp = rt2860_io_rf_read(sc, 30); tmp |= 0x80; rt2860_io_rf_write(sc, 30, tmp); DELAY(1000); tmp &= 0x7F; rt2860_io_rf_write(sc, 30, tmp); /* Initialize RF register to default value */ rt2860_io_rf_load_defaults(sc); } /* set current channel */ rt2860_rf_set_chan(sc, ic->ic_curchan); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG, (48 << 16) | 96); if ((sc->mac_rev & 0xffff) != 0x0101) rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f); /* clear pending interrupts */ rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff); /* enable interrupts */ tmp = RT2860_REG_INT_TX_COHERENT | RT2860_REG_INT_RX_COHERENT | RT2860_REG_INT_GP_TIMER | RT2860_REG_INT_AUTO_WAKEUP | RT2860_REG_INT_FIFO_STA_FULL | RT2860_REG_INT_PRE_TBTT | RT2860_REG_INT_TBTT | RT2860_REG_INT_TXRX_COHERENT | RT2860_REG_INT_MCU_CMD | RT2860_REG_INT_TX_MGMT_DONE | RT2860_REG_INT_TX_HCCA_DONE | RT2860_REG_INT_TX_AC3_DONE | RT2860_REG_INT_TX_AC2_DONE | RT2860_REG_INT_TX_AC1_DONE | RT2860_REG_INT_TX_AC0_DONE | RT2860_REG_INT_RX_DONE; sc->intr_enable_mask = tmp; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp); if (rt2860_txrx_enable(sc) != 0) goto fail; /* clear garbage interrupts */ tmp = rt2860_io_mac_read(sc, 0x1300); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; ifp->if_drv_flags |= IFF_DRV_RUNNING; sc->periodic_round = 0; callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc); return; fail: rt2860_stop_locked(sc); } /* * rt2860_init */ static void rt2860_init(void *priv) { struct rt2860_softc *sc; sc = priv; RT2860_SOFTC_LOCK(sc); rt2860_init_locked(sc); RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_init_bbp */ static int rt2860_init_bbp(struct rt2860_softc *sc) { int ntries, i; uint8_t tmp; for (ntries = 0; ntries < 20; ntries++) { tmp = rt2860_io_bbp_read(sc, 0); if (tmp != 0x00 && tmp != 0xff) break; } if (tmp == 0x00 || tmp == 0xff) { printf("%s: timeout waiting for BBP to wakeup\n", device_get_nameunit(sc->dev)); return ETIMEDOUT; } for (i = 0; i < RT2860_DEF_BBP_SIZE; i++) rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg, rt2860_def_bbp[i].val); if ((sc->mac_rev & 0xffff) != 0x0101) rt2860_io_bbp_write(sc, 84, 0x19); if (sc->mac_rev == 0x28600100) { rt2860_io_bbp_write(sc, 69, 0x16); rt2860_io_bbp_write(sc, 73, 0x12); } return 0; } /* * rt2860_stop_locked */ static void rt2860_stop_locked(void *priv) { struct rt2860_softc *sc; struct ifnet *ifp; struct ieee80211com *ic; uint32_t tmp; sc = priv; ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_ANY, "%s: stopping\n", device_get_nameunit(sc->dev)); RT2860_SOFTC_ASSERT_LOCKED(sc); sc->tx_timer = 0; if (ifp->if_drv_flags & IFF_DRV_RUNNING) rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF); ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); callout_stop(&sc->periodic_ch); callout_stop(&sc->tx_watchdog_ch); RT2860_SOFTC_UNLOCK(sc); taskqueue_block(sc->taskqueue); taskqueue_drain(sc->taskqueue, &sc->rx_done_task); taskqueue_drain(sc->taskqueue, &sc->tx_done_task); taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task); taskqueue_drain(sc->taskqueue, &sc->periodic_task); RT2860_SOFTC_LOCK(sc); /* clear key tables */ rt2860_asic_clear_keytables(sc); /* disable interrupts */ rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0); /* disable Tx/Rx */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL); tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp); /* reset adapter */ rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST); rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0); } /* * rt2860_stop */ static void rt2860_stop(void *priv) { struct rt2860_softc *sc; sc = priv; RT2860_SOFTC_LOCK(sc); rt2860_stop_locked(sc); RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_start */ static void rt2860_start(struct ifnet *ifp) { struct rt2860_softc *sc; struct ieee80211_node *ni; struct mbuf *m; int qid; sc = ifp->if_softc; if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; for (;;) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; m->m_pkthdr.rcvif = NULL; qid = M_WME_GETAC(m); RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]); if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT) { RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]); RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: if_start: Tx ring with qid=%d is full\n", device_get_nameunit(sc->dev), qid); m_freem(m); ieee80211_free_node(ni); ifp->if_drv_flags |= IFF_DRV_OACTIVE; ifp->if_oerrors++; sc->tx_data_queue_full[qid]++; break; } if (rt2860_tx_data(sc, m, ni, qid) != 0) { RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]); ieee80211_free_node(ni); ifp->if_oerrors++; break; } RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]); rt2860_drain_fifo_stats(sc); sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT; callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc); } } /* * rt2860_ioctl */ static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifreq *ifr; int error, startall; sc = ifp->if_softc; ic = ifp->if_l2com; ifr = (struct ifreq *) data; error = 0; switch (cmd) { case SIOCSIFFLAGS: startall = 0; RT2860_SOFTC_LOCK(sc); if (ifp->if_flags & IFF_UP) { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC) rt2860_asic_update_promisc(sc); } else { rt2860_init_locked(sc); startall = 1; } } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) rt2860_stop_locked(sc); } sc->if_flags = ifp->if_flags; RT2860_SOFTC_UNLOCK(sc); if (startall) ieee80211_start_all(ic); break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); break; case SIOCGIFADDR: error = ether_ioctl(ifp, cmd, data); break; default: error = EINVAL; break; } return error; } /* * rt2860_vap_create */ static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]) { struct rt2860_softc *sc; struct ifnet *ifp; struct rt2860_softc_vap *rvap; struct ieee80211vap *vap; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: VAP create: opmode=%s\n", device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]); switch (opmode) { case IEEE80211_M_IBSS: case IEEE80211_M_STA: case IEEE80211_M_AHDEMO: case IEEE80211_M_HOSTAP: case IEEE80211_M_MBSS: if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0) { if_printf(ifp, "only 1 VAP supported\n"); return NULL; } if (opmode == IEEE80211_M_STA) flags |= IEEE80211_CLONE_NOBEACONS; break; case IEEE80211_M_WDS: if (sc->napvaps == 0) { if_printf(ifp, "WDS only supported in AP mode\n"); return NULL; } break; case IEEE80211_M_MONITOR: break; default: if_printf(ifp, "unknown opmode %d\n", opmode); return NULL; } rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap), M_80211_VAP, M_NOWAIT | M_ZERO); if (rvap == NULL) return NULL; vap = &rvap->vap; ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); rvap->newstate = vap->iv_newstate; vap->iv_newstate = rt2860_vap_newstate; vap->iv_reset = rt2860_vap_reset; vap->iv_key_update_begin = rt2860_vap_key_update_begin; vap->iv_key_update_end = rt2860_vap_key_update_end; vap->iv_key_set = rt2860_vap_key_set; vap->iv_key_delete = rt2860_vap_key_delete; vap->iv_update_beacon = rt2860_vap_update_beacon; rt2860_amrr_init(&rvap->amrr, vap, sc->ntxpath, RT2860_AMRR_MIN_SUCCESS_THRESHOLD, RT2860_AMRR_MAX_SUCCESS_THRESHOLD, 500); vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT; /* overwrite default Rx A-MPDU factor */ vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K; vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA; vap->iv_ampdu_limit = vap->iv_ampdu_rxmax; ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status); switch (vap->iv_opmode) { case IEEE80211_M_HOSTAP: case IEEE80211_M_MBSS: case IEEE80211_M_AHDEMO: sc->napvaps++; break; case IEEE80211_M_IBSS: sc->nadhocvaps++; break; case IEEE80211_M_STA: sc->nstavaps++; break; case IEEE80211_M_WDS: sc->nwdsvaps++; break; default: break; } sc->nvaps++; if (sc->napvaps > 0) ic->ic_opmode = IEEE80211_M_HOSTAP; else if (sc->nadhocvaps > 0) ic->ic_opmode = IEEE80211_M_IBSS; else if (sc->nstavaps > 0) ic->ic_opmode = IEEE80211_M_STA; else ic->ic_opmode = opmode; return vap; } /* * rt2860_vap_delete */ static void rt2860_vap_delete(struct ieee80211vap *vap) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_vap *rvap; enum ieee80211_opmode opmode; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; opmode = vap->iv_opmode; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: VAP delete: opmode=%s\n", device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]); rt2860_amrr_cleanup(&rvap->amrr); ieee80211_vap_detach(vap); if (rvap->beacon_mbuf != NULL) { m_free(rvap->beacon_mbuf); rvap->beacon_mbuf = NULL; } switch (opmode) { case IEEE80211_M_HOSTAP: case IEEE80211_M_MBSS: case IEEE80211_M_AHDEMO: sc->napvaps--; break; case IEEE80211_M_IBSS: sc->nadhocvaps--; break; case IEEE80211_M_STA: sc->nstavaps--; break; case IEEE80211_M_WDS: sc->nwdsvaps--; break; default: break; } sc->nvaps--; if (sc->napvaps > 0) ic->ic_opmode = IEEE80211_M_HOSTAP; else if (sc->nadhocvaps > 0) ic->ic_opmode = IEEE80211_M_IBSS; else if (sc->nstavaps > 0) ic->ic_opmode = IEEE80211_M_STA; free(rvap, M_80211_VAP); } /* * rt2860_reset_vap */ static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_vap *rvap; int error; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: VAP reset: cmd=%lu\n", device_get_nameunit(sc->dev), cmd); error = 0; switch (cmd) { case IEEE80211_IOC_RTSTHRESHOLD: case IEEE80211_IOC_AMSDU: rt2860_asic_update_rtsthreshold(sc); break; case IEEE80211_IOC_PROTMODE: case IEEE80211_IOC_HTPROTMODE: rt2860_asic_updateprot(sc); break; case IEEE80211_IOC_TXPOWER: rt2860_asic_update_txpower(sc); break; case IEEE80211_IOC_BURST: rt2860_asic_updateslot(sc); break; case IEEE80211_IOC_SHORTGI: case IEEE80211_IOC_AMPDU_DENSITY: case IEEE80211_IOC_SMPS: break; default: error = ENETRESET; break; } return error; } /* * rt2860_vap_newstate */ static int rt2860_vap_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_vap *rvap; struct ieee80211_node *ni; enum ieee80211_state ostate; int error; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; ostate = vap->iv_state; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: VAP newstate: %s -> %s\n", device_get_nameunit(sc->dev), ieee80211_state_name[ostate], ieee80211_state_name[nstate]); error = rvap->newstate(vap, nstate, arg); if (error != 0) return error; IEEE80211_UNLOCK(ic); RT2860_SOFTC_LOCK(sc); /* turn link LED off */ if (nstate != IEEE80211_S_RUN) rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF); switch (nstate) { case IEEE80211_S_INIT: rt2860_asic_disable_tsf_sync(sc); break; case IEEE80211_S_RUN: ni = vap->iv_bss; rt2860_rf_set_chan(sc, ni->ni_chan); if (vap->iv_opmode != IEEE80211_M_MONITOR) { rt2860_asic_enable_mrr(sc); rt2860_asic_set_txpreamble(sc); rt2860_asic_set_basicrates(sc); rt2860_asic_update_txpower(sc); rt2860_asic_set_bssid(sc, ni->ni_bssid); } if (vap->iv_opmode == IEEE80211_M_HOSTAP || vap->iv_opmode == IEEE80211_M_IBSS || vap->iv_opmode == IEEE80211_M_MBSS) { error = rt2860_beacon_alloc(sc, vap); if (error != 0) break; rt2860_asic_update_beacon(sc, vap); } if (vap->iv_opmode != IEEE80211_M_MONITOR) rt2860_asic_enable_tsf_sync(sc); /* turn link LED on */ if (vap->iv_opmode != IEEE80211_M_MONITOR) { rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON | (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ? RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ)); } break; case IEEE80211_S_SLEEP: break; default: break; } RT2860_SOFTC_UNLOCK(sc); IEEE80211_LOCK(ic); return error; } /* * rt2860_vap_key_update_begin */ static void rt2860_vap_key_update_begin(struct ieee80211vap *vap) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key update begin\n", device_get_nameunit(sc->dev)); taskqueue_block(sc->taskqueue); IF_LOCK(&ifp->if_snd); } /* * rt2860_vap_key_update_end */ static void rt2860_vap_key_update_end(struct ieee80211vap *vap) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key update end\n", device_get_nameunit(sc->dev)); IF_UNLOCK(&ifp->if_snd); taskqueue_unblock(sc->taskqueue); } /* * rt2860_vap_key_set */ static int rt2860_vap_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct ieee80211_node *ni; struct rt2860_softc_node *rni; uint16_t key_base, keymode_base; uint8_t mode, vapid, wcid, iv[8]; uint32_t tmp; if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP && k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP && k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM) return 0; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; switch (k->wk_cipher->ic_cipher) { case IEEE80211_CIPHER_WEP: if(k->wk_keylen < 8) mode = RT2860_REG_CIPHER_MODE_WEP40; else mode = RT2860_REG_CIPHER_MODE_WEP104; break; case IEEE80211_CIPHER_TKIP: mode = RT2860_REG_CIPHER_MODE_TKIP; break; case IEEE80211_CIPHER_AES_CCM: mode = RT2860_REG_CIPHER_MODE_AES_CCMP; break; default: return 0; } RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n", device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr), mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0); if (!(k->wk_flags & IEEE80211_KEY_GROUP)) { /* install pairwise key */ ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac); if (!ni) { printf("ieee80211_find_vap_node return 0\n"); return 0; } rni = (struct rt2860_softc_node *) ni; vapid = 0; wcid = rni->staid; key_base = RT2860_REG_PKEY(wcid); ieee80211_free_node(ni); if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP) { memset(iv, 0, 8); iv[3] = (k->wk_keyix << 6); } else { if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { iv[0] = (k->wk_keytsc >> 8); iv[1] = ((iv[0] | 0x20) & 0x7f); iv[2] = k->wk_keytsc; } else { /* AES CCMP */ iv[0] = k->wk_keytsc; iv[1] = k->wk_keytsc >> 8; iv[2] = 0; } iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV); iv[4] = (k->wk_keytsc >> 16); iv[5] = (k->wk_keytsc >> 24); iv[6] = (k->wk_keytsc >> 32); iv[7] = (k->wk_keytsc >> 40); RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n", device_get_nameunit(sc->dev), iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]); } rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8); if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16); if (vap->iv_opmode != IEEE80211_M_HOSTAP) { rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8); rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8); } else { rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8); rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8); } } else { rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen); } tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) | (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE; rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp); } if ((k->wk_flags & IEEE80211_KEY_GROUP) || (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)) { /* install group key */ vapid = 0; wcid = RT2860_WCID_MCAST; key_base = RT2860_REG_SKEY(vapid, k->wk_keyix); keymode_base = RT2860_REG_SKEY_MODE(vapid); if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16); if (vap->iv_opmode != IEEE80211_M_HOSTAP) { rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8); rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8); } else { rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8); rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8); } } else { rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen); } tmp = rt2860_io_mac_read(sc, keymode_base); tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2))); tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2))); rt2860_io_mac_write(sc, keymode_base, tmp); if (vap->iv_opmode == IEEE80211_M_HOSTAP) { if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP) { memset(iv, 0, 8); iv[3] = (k->wk_keyix << 6); } else { if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { iv[0] = (k->wk_keytsc >> 8); iv[1] = ((iv[0] | 0x20) & 0x7f); iv[2] = k->wk_keytsc; } else { /* AES CCMP */ iv[0] = k->wk_keytsc; iv[1] = k->wk_keytsc >> 8; iv[2] = 0; } iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV); iv[4] = (k->wk_keytsc >> 16); iv[5] = (k->wk_keytsc >> 24); iv[6] = (k->wk_keytsc >> 32); iv[7] = (k->wk_keytsc >> 40); RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n", device_get_nameunit(sc->dev), iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]); } rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8); tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) | (mode << RT2860_REG_CIPHER_MODE_SHIFT); rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp); } } return 1; } /* * rt2860_vap_key_delete */ static int rt2860_vap_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; uint8_t vapid, wcid; uint32_t tmp; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_KEY, "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n", device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr), (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0); if (k->wk_flags & IEEE80211_KEY_GROUP) { /* remove group key */ vapid = 0; wcid = RT2860_WCID_MCAST; tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid)); tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2))); tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2))); rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp); if (vap->iv_opmode == IEEE80211_M_HOSTAP) { tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) | (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE; rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp); } } return 1; } /* * rt2860_vap_update_beacon */ static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_vap *rvap; struct mbuf *m; struct ieee80211_beacon_offsets *bo; int error; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; m = rvap->beacon_mbuf; bo = &rvap->beacon_offsets; RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON, "%s: VAP update beacon: what=%d\n", device_get_nameunit(sc->dev), what); setbit(bo->bo_flags, what); if (m == NULL) { error = rt2860_beacon_alloc(sc, vap); if (error != 0) return; m = rvap->beacon_mbuf; } ieee80211_beacon_update(vap->iv_bss, bo, m, 0); rt2860_asic_update_beacon(sc, vap); } /* * rt2860_media_change */ static int rt2860_media_change(struct ifnet *ifp) { int error; error = ieee80211_media_change(ifp); return (error == ENETRESET ? 0 : error); } /* * rt2860_node_alloc */ static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) { return malloc(sizeof(struct rt2860_softc_node), M_80211_NODE, M_NOWAIT | M_ZERO); } /* * rt2860_node_cleanup */ static void rt2860_node_cleanup(struct ieee80211_node *ni) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; uint8_t vapid, wcid; uint32_t tmp; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; RT2860_DPRINTF(sc, RT2860_DEBUG_NODE, "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n", device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr), ni->ni_associd, rni->staid); if (rni->staid != 0) { vapid = 0; wcid = rni->staid; tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) | (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE; rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp); rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x00000000); rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, 0x00000000); rt2860_staid_delete(sc, rni->staid); rni->staid = 0; } sc->node_cleanup(ni); } /* * rt2860_node_getmimoinfo */ static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni, struct ieee80211_mimo_info *mi) { const struct rt2860_softc_node *rni; int i; rni = (const struct rt2860_softc_node *) ni; for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++) { mi->rssi[i] = rni->last_rssi_dbm[i]; mi->noise[i] = RT2860_NOISE_FLOOR; } } /* * rt2860_setregdomain */ static int rt2860_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *reg, int nchans, struct ieee80211_channel chans[]) { struct rt2860_softc *sc; struct ifnet *ifp; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n", device_get_nameunit(sc->dev), reg->country, reg->isocc[0], reg->isocc[1], reg->location); return 0; } /* * rt2860_getradiocaps */ static void rt2860_getradiocaps(struct ieee80211com *ic, int maxchans, int *nchans, struct ieee80211_channel chans[]) { *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans; memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel)); } /* * rt2860_scan_start */ static void rt2860_scan_start(struct ieee80211com *ic) { struct rt2860_softc *sc; struct ifnet *ifp; ifp = ic->ic_ifp; sc = ifp->if_softc; rt2860_asic_disable_tsf_sync(sc); } /* * rt2860_scan_end */ static void rt2860_scan_end(struct ieee80211com *ic) { struct rt2860_softc *sc; struct ifnet *ifp; ifp = ic->ic_ifp; sc = ifp->if_softc; rt2860_asic_enable_tsf_sync(sc); } /* * rt2860_set_channel */ static void rt2860_set_channel(struct ieee80211com *ic) { struct rt2860_softc *sc; struct ifnet *ifp; ifp = ic->ic_ifp; sc = ifp->if_softc; RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN, "%s: set channel: channel=%u, HT%s%s\n", device_get_nameunit(sc->dev), ieee80211_chan2ieee(ic, ic->ic_curchan), !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" : IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20": IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D", (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : ""); RT2860_SOFTC_LOCK(sc); rt2860_rf_set_chan(sc, ic->ic_curchan); RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_newassoc */ static void rt2860_newassoc(struct ieee80211_node *ni, int isnew) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct ieee80211vap *vap; struct rt2860_softc_vap *rvap; struct rt2860_softc_node *rni; uint16_t aid; uint8_t wcid; uint32_t tmp; vap = ni->ni_vap; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; rni = (struct rt2860_softc_node *) ni; if (isnew) { aid = IEEE80211_AID(ni->ni_associd); rni->staid = rt2860_staid_alloc(sc, aid); wcid = rni->staid; tmp = (ni->ni_macaddr[3] << 24) | (ni->ni_macaddr[2] << 16) | (ni->ni_macaddr[1] << 8) | ni->ni_macaddr[0]; rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), tmp); tmp = (ni->ni_macaddr[5] << 8) | ni->ni_macaddr[4]; rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp); rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni); RT2860_DPRINTF(sc, RT2860_DEBUG_RATE, "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n", device_get_nameunit(sc->dev), (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "", ni->ni_associd, ni->ni_txrate, (ni->ni_flags & IEEE80211_NODE_HT) ? (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) : (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL)); rt2860_asic_updateprot(sc); rt2860_asic_updateslot(sc); rt2860_asic_set_txpreamble(sc); } RT2860_DPRINTF(sc, RT2860_DEBUG_NODE, "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n", device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr), ni->ni_associd, rni->staid, (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled", (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled", (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled"); } /* * rt2860_updateslot */ static void rt2860_updateslot(struct ifnet *ifp) { struct rt2860_softc *sc; sc = ifp->if_softc; rt2860_asic_updateslot(sc); } /* * rt2860_update_promisc */ static void rt2860_update_promisc(struct ifnet *ifp) { struct rt2860_softc *sc; sc = ifp->if_softc; rt2860_asic_update_promisc(sc); } /* * rt2860_update_mcast */ static void rt2860_update_mcast(struct ifnet *ifp) { struct rt2860_softc *sc; sc = ifp->if_softc; } /* * rt2860_wme_update */ static int rt2860_wme_update(struct ieee80211com *ic) { struct rt2860_softc *sc; struct ifnet *ifp; ifp = ic->ic_ifp; sc = ifp->if_softc; rt2860_asic_wme_update(sc); return 0; } /* * rt2860_raw_xmit */ static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { m_freem(m); ieee80211_free_node(ni); return ENETDOWN; } RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]); if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT) { RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]); RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: raw xmit: Tx ring with qid=%d is full\n", device_get_nameunit(sc->dev), sc->tx_ring_mgtqid); ifp->if_drv_flags |= IFF_DRV_OACTIVE; m_freem(m); ieee80211_free_node(ni); sc->tx_data_queue_full[sc->tx_ring_mgtqid]++; return ENOBUFS; } if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0) { RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]); ifp->if_oerrors++; ieee80211_free_node(ni); return EIO; } RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]); sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT; return 0; } /* * rt2860_recv_action */ static int rt2860_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh, const uint8_t *frm, const uint8_t *efrm) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; const struct ieee80211_action *ia; uint16_t baparamset; uint8_t wcid; int tid; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; ia = (const struct ieee80211_action *) frm; if (ia->ia_category == IEEE80211_ACTION_CAT_BA) { switch (ia->ia_action) { /* IEEE80211_ACTION_BA_DELBA */ case IEEE80211_ACTION_BA_DELBA: baparamset = LE_READ_2(frm + 2); tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID); wcid = rni->staid; RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid); if (rni->staid != 0) rt2860_asic_del_ba_session(sc, wcid, tid); break; } } return sc->recv_action(ni, wh, frm, efrm); } /* * rt2860_send_action */ static int rt2860_send_action(struct ieee80211_node *ni, int cat, int act, void *sa) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; uint16_t *args, status, baparamset; uint8_t wcid; int tid, bufsize; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; wcid = rni->staid; args = sa; if (cat == IEEE80211_ACTION_CAT_BA) { switch (act) { /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */ case IEEE80211_ACTION_BA_ADDBA_RESPONSE: status = args[1]; baparamset = args[2]; tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID); bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ); RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize); if (status == IEEE80211_STATUS_SUCCESS) rt2860_asic_add_ba_session(sc, wcid, tid); break; /* IEEE80211_ACTION_BA_DELBA */ case IEEE80211_ACTION_BA_DELBA: baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1]; tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID); RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid); if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT) rt2860_asic_del_ba_session(sc, wcid, tid); break; } } return sc->send_action(ni, cat, act, sa); } /* * rt2860_addba_response */ static int rt2860_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, int status, int baparamset, int batimeout) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; ieee80211_seq seqno; int ret, tid, old_bufsize, new_bufsize; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID); old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ); new_bufsize = old_bufsize; if (status == IEEE80211_STATUS_SUCCESS) { if (sc->mac_rev >= 0x28830300) { if (sc->mac_rev >= 0x30700200) new_bufsize = 13; else new_bufsize = 31; } else if (sc->mac_rev >= 0x28720200) { new_bufsize = 13; } else { new_bufsize = 7; } if (old_bufsize > new_bufsize) { baparamset &= ~IEEE80211_BAPS_BUFSIZ; baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ); } if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING)) { sc->tx_ampdu_sessions++; if (sc->tx_ampdu_sessions == 1) rt2860_asic_updateprot(sc); } } RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, " "old bufsize=%d, new bufsize=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, old_bufsize, new_bufsize); ret = sc->addba_response(ni, tap, status, baparamset, batimeout); if (status == IEEE80211_STATUS_SUCCESS) { seqno = ni->ni_txseqs[tid]; rt2860_send_bar(ni, tap, seqno); } return ret; } /* * rt2860_addba_stop */ static void rt2860_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; int tid; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; tid = WME_AC_TO_TID(tap->txa_ac); RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid); if (tap->txa_flags & IEEE80211_AGGR_RUNNING) { if (sc->tx_ampdu_sessions > 0) { sc->tx_ampdu_sessions--; if (sc->tx_ampdu_sessions == 0) rt2860_asic_updateprot(sc); } else { printf("%s: number of A-MPDU Tx sessions cannot be negative\n", device_get_nameunit(sc->dev)); } } sc->addba_stop(ni, tap); } /* * rt2860_ampdu_rx_start */ static int rt2860_ampdu_rx_start(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap, int baparamset, int batimeout, int baseqctl) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; int tid; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID); RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: starting A-MPDU Rx: associd=0x%04x, staid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid); if (!(rap->rxa_flags & IEEE80211_AGGR_RUNNING)) sc->rx_ampdu_sessions++; return sc->ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl); } /* * rt2860_ampdu_rx_stop */ static void rt2860_ampdu_rx_stop(struct ieee80211_node *ni, struct ieee80211_rx_ampdu *rap) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct rt2860_softc_node *rni; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rni = (struct rt2860_softc_node *) ni; RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: stopping A-MPDU Rx: associd=0x%04x, staid=0x%02x\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid); if (rap->rxa_flags & IEEE80211_AGGR_RUNNING) { if (sc->rx_ampdu_sessions > 0) sc->rx_ampdu_sessions--; else printf("%s: number of A-MPDU Rx sessions cannot be negative\n", device_get_nameunit(sc->dev)); } sc->ampdu_rx_stop(ni, rap); } /* * rt2860_send_bar */ static int rt2860_send_bar(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct ieee80211vap *vap; struct ieee80211_frame_bar *bar; struct rt2860_softc_node *rni; struct mbuf *m; uint16_t barctl, barseqctl; uint8_t *frm; int ret, tid; ic = ni->ni_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; vap = ni->ni_vap; rni = (struct rt2860_softc_node *) ni; if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING)) return EINVAL; m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar)); if (m == NULL) return ENOMEM; bar = mtod(m, struct ieee80211_frame_bar *); bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR; bar->i_fc[1] = 0; IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr); IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr); tid = WME_AC_TO_TID(tap->txa_ac); barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) | IEEE80211_BAR_COMP | RT2860_SM(tid, IEEE80211_BAR_TID); barseqctl = RT2860_SM(seqno, IEEE80211_BAR_SEQ_START); bar->i_ctl = htole16(barctl); bar->i_seq = htole16(barseqctl); m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar); tap->txa_start = seqno; ieee80211_ref_node(ni); RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n", device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno); ret = ic->ic_raw_xmit(ni, m, NULL); if (ret != 0) ieee80211_free_node(ni); return ret; } /* * rt2860_amrr_update_iter_func */ static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni) { struct rt2860_softc *sc; struct ieee80211com *ic; struct ifnet *ifp; struct ieee80211vap *vap; struct rt2860_softc_vap *rvap; struct rt2860_softc_node *rni; uint8_t wcid; vap = arg; ic = vap->iv_ic; ifp = ic->ic_ifp; sc = ifp->if_softc; rvap = (struct rt2860_softc_vap *) vap; rni = (struct rt2860_softc_node *) ni; /* only associated stations */ if ((ni->ni_vap == vap) && (rni->staid != 0)) { wcid = rni->staid; RT2860_DPRINTF(sc, RT2860_DEBUG_RATE, "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n", device_get_nameunit(sc->dev), rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt); rt2860_amrr_choose(ni, &sc->amrr_node[wcid]); RT2860_DPRINTF(sc, RT2860_DEBUG_RATE, "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n", device_get_nameunit(sc->dev), (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "", ni->ni_associd, rni->staid, ni->ni_txrate, (ni->ni_flags & IEEE80211_NODE_HT) ? (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) : (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL)); } } /* * rt2860_periodic */ static void rt2860_periodic(void *arg) { struct rt2860_softc *sc; sc = arg; RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC, "%s: periodic\n", device_get_nameunit(sc->dev)); taskqueue_enqueue(sc->taskqueue, &sc->periodic_task); } /* * rt2860_tx_watchdog */ static void rt2860_tx_watchdog(void *arg) { struct rt2860_softc *sc; struct ifnet *ifp; sc = arg; ifp = sc->ifp; if (sc->tx_timer == 0) return; if (--sc->tx_timer == 0) { printf("%s: Tx watchdog timeout: resetting\n", device_get_nameunit(sc->dev)); rt2860_stop_locked(sc); rt2860_init_locked(sc); ifp->if_oerrors++; sc->tx_watchdog_timeouts++; } callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc); } /* * rt2860_staid_alloc */ static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid) { int staid; if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid)) { staid = aid; } else { for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++) { if (isclr(sc->staid_mask, staid)) break; } } setbit(sc->staid_mask, staid); return staid; } /* * rt2860_staid_delete */ static void rt2860_staid_delete(struct rt2860_softc *sc, int staid) { clrbit(sc->staid_mask, staid); } /* * rt2860_asic_set_bssid */ static void rt2860_asic_set_bssid(struct rt2860_softc *sc, const uint8_t *bssid) { uint32_t tmp; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: set bssid: bssid=%s\n", device_get_nameunit(sc->dev), ether_sprintf(bssid)); tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24); rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp); tmp = bssid[4] | (bssid[5] << 8); rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp); } /* * rt2860_asic_set_macaddr */ static void rt2860_asic_set_macaddr(struct rt2860_softc *sc, const uint8_t *addr) { uint32_t tmp; tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp); tmp = addr[4] | (addr[5] << 8) | (0xff << 16); rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp); } /* * rt2860_asic_enable_tsf_sync */ static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; uint32_t tmp; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON, "%s: enabling TSF\n", device_get_nameunit(sc->dev)); tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG); tmp &= ~0x1fffff; tmp |= vap->iv_bss->ni_intval * 16; tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE); if (vap->iv_opmode == IEEE80211_M_STA) { tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT); } else if (vap->iv_opmode == IEEE80211_M_IBSS) { tmp |= RT2860_REG_BCN_TX_ENABLE; tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT); } else if (vap->iv_opmode == IEEE80211_M_HOSTAP) { tmp |= RT2860_REG_BCN_TX_ENABLE; tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT); } rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp); } /* * rt2860_asic_disable_tsf_sync */ static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc) { uint32_t tmp; RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON, "%s: disabling TSF\n", device_get_nameunit(sc->dev)); tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG); tmp &= ~(RT2860_REG_BCN_TX_ENABLE | RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE); tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT); tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT); rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp); } /* * rt2860_asic_enable_mrr */ static void rt2860_asic_enable_mrr(struct rt2860_softc *sc) { #define CCK(mcs) (mcs) #define OFDM(mcs) ((1 << 3) | (mcs)) #define HT(mcs) (mcs) rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0, (OFDM(6) << 28) | /* 54 -> 48 */ (OFDM(5) << 24) | /* 48 -> 36 */ (OFDM(4) << 20) | /* 36 -> 24 */ (OFDM(3) << 16) | /* 24 -> 18 */ (OFDM(2) << 12) | /* 18 -> 12 */ (OFDM(1) << 8) | /* 12 -> 9 */ (OFDM(0) << 4) | /* 9 -> 6 */ OFDM(0)); /* 6 -> 6 */ rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1, (CCK(2) << 12) | /* 11 -> 5.5 */ (CCK(1) << 8) | /* 5.5 -> 2 */ (CCK(0) << 4) | /* 2 -> 1 */ CCK(0)); /* 1 -> 1 */ rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0, (HT(6) << 28) | (HT(5) << 24) | (HT(4) << 20) | (HT(3) << 16) | (HT(2) << 12) | (HT(1) << 8) | (HT(0) << 4) | HT(0)); rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1, (HT(14) << 28) | (HT(13) << 24) | (HT(12) << 20) | (HT(11) << 16) | (HT(10) << 12) | (HT(9) << 8) | (HT(8) << 4) | HT(7)); #undef HT #undef OFDM #undef CCK } /* * rt2860_asic_set_txpreamble */ static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; uint32_t tmp; ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: %s short Tx preamble\n", device_get_nameunit(sc->dev), (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling"); tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG); tmp &= ~RT2860_REG_CCK_SHORT_ENABLE; if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) tmp |= RT2860_REG_CCK_SHORT_ENABLE; rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp); } /* * rt2860_asic_set_basicrates */ static void rt2860_asic_set_basicrates(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; ifp = sc->ifp; ic = ifp->if_l2com; if (ic->ic_curmode == IEEE80211_MODE_11B) rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0xf); else if (ic->ic_curmode == IEEE80211_MODE_11A) rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150); else rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f); } /* * rt2860_asic_update_rtsthreshold */ static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; uint32_t tmp; uint16_t threshold; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); if (vap == NULL) threshold = IEEE80211_RTS_MAX; else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) threshold = 0x1000; else threshold = vap->iv_rtsthreshold; RT2860_DPRINTF(sc, RT2860_DEBUG_PROT, "%s: updating RTS threshold: %d\n", device_get_nameunit(sc->dev), threshold); tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG); tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT); tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) << RT2860_REG_TX_RTS_THRESHOLD_SHIFT); rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp); } /* * rt2860_asic_update_txpower */ static void rt2860_asic_update_txpower(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; uint32_t *txpow_rate; int8_t delta; uint8_t val; uint32_t tmp; int i; ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: updating Tx power: %d\n", device_get_nameunit(sc->dev), ic->ic_txpowlimit); if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan)) { txpow_rate = sc->txpow_rate_20mhz; } else { if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) txpow_rate = sc->txpow_rate_40mhz_2ghz; else txpow_rate = sc->txpow_rate_40mhz_5ghz; } delta = 0; val = rt2860_io_bbp_read(sc, 1); val &= 0xfc; if (ic->ic_txpowlimit > 90) { /* do nothing */ } else if (ic->ic_txpowlimit > 60) { delta -= 1; } else if (ic->ic_txpowlimit > 30) { delta -= 3; } else if (ic->ic_txpowlimit > 15) { val |= 0x1; } else if (ic->ic_txpowlimit > 9) { val |= 0x1; delta -= 3; } else { val |= 0x2; } rt2860_io_bbp_write(sc, 1, val); for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++) { if (txpow_rate[i] == 0xffffffff) continue; tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta); rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp); } } /* * rt2860_asic_update_promisc */ static void rt2860_asic_update_promisc(struct rt2860_softc *sc) { struct ifnet *ifp; uint32_t tmp; ifp = sc->ifp; printf("%s: %s promiscuous mode\n", device_get_nameunit(sc->dev), (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving"); tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG); tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME; if (!(ifp->if_flags & IFF_PROMISC)) tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME; rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp); } /* * rt2860_asic_updateprot */ static void rt2860_asic_updateprot(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot; uint8_t htopmode; enum ieee80211_protmode htprotmode; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); /* CCK frame protection */ cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE; /* set up protection frame phy mode and rate (MCS code) */ if (ic->ic_curmode == IEEE80211_MODE_11A) cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (0 << RT2860_REG_PROT_MCS_SHIFT); else cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) | (3 << RT2860_REG_PROT_MCS_SHIFT)); rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot); /* OFDM frame protection */ ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL; if (ic->ic_flags & IEEE80211_F_USEPROT) { RT2860_DPRINTF(sc, RT2860_DEBUG_PROT, "%s: updating protection mode: b/g protection mode=%s\n", device_get_nameunit(sc->dev), (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" : ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none")); if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS; else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) ofdm_prot |= RT2860_REG_PROT_CTRL_CTS; else ofdm_prot |= RT2860_REG_PROT_CTRL_NONE; } else { RT2860_DPRINTF(sc, RT2860_DEBUG_PROT, "%s: updating protection mode: b/g protection mode=%s\n", device_get_nameunit(sc->dev), "none"); ofdm_prot |= RT2860_REG_PROT_CTRL_NONE; } rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot); /* HT frame protection */ if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN)) htopmode = vap->iv_bss->ni_htopmode; else htopmode = ic->ic_curhtprotmode; htprotmode = ic->ic_htprotmode; /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */ if (sc->tx_ampdu_sessions > 0) { RT2860_DPRINTF(sc, RT2860_DEBUG_PROT, "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n", device_get_nameunit(sc->dev)); htopmode = IEEE80211_HTINFO_OPMODE_MIXED; htprotmode = IEEE80211_PROT_RTSCTS; } RT2860_DPRINTF(sc, RT2860_DEBUG_PROT, "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n", device_get_nameunit(sc->dev), htopmode & IEEE80211_HTINFO_OPMODE, (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" : ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none")); switch (htopmode & IEEE80211_HTINFO_OPMODE) { /* IEEE80211_HTINFO_OPMODE_HT20PR */ case IEEE80211_HTINFO_OPMODE_HT20PR: mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE | RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM | RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 | (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (4 << RT2860_REG_PROT_MCS_SHIFT); gf20_prot = mm20_prot; mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL | (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (0x84 << RT2860_REG_PROT_MCS_SHIFT); if (htprotmode == IEEE80211_PROT_RTSCTS) mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS; else if (htprotmode == IEEE80211_PROT_CTSONLY) mm40_prot |= RT2860_REG_PROT_CTRL_CTS; else mm40_prot |= RT2860_REG_PROT_CTRL_NONE; gf40_prot = mm40_prot; break; /* IEEE80211_HTINFO_OPMODE_MIXED */ case IEEE80211_HTINFO_OPMODE_MIXED: mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM | RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20; if (ic->ic_flags & IEEE80211_F_USEPROT) mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) | (3 << RT2860_REG_PROT_MCS_SHIFT); else mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (4 << RT2860_REG_PROT_MCS_SHIFT); if (htprotmode == IEEE80211_PROT_RTSCTS) mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS; else if (htprotmode == IEEE80211_PROT_CTSONLY) mm20_prot |= RT2860_REG_PROT_CTRL_CTS; else mm20_prot |= RT2860_REG_PROT_CTRL_NONE; gf20_prot = mm20_prot; mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL; if (ic->ic_flags & IEEE80211_F_USEPROT) mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) | (3 << RT2860_REG_PROT_MCS_SHIFT); else mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (0x84 << RT2860_REG_PROT_MCS_SHIFT); if (htprotmode == IEEE80211_PROT_RTSCTS) mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS; else if (htprotmode == IEEE80211_PROT_CTSONLY) mm40_prot |= RT2860_REG_PROT_CTRL_CTS; else mm40_prot |= RT2860_REG_PROT_CTRL_NONE; gf40_prot = mm40_prot; break; /* * IEEE80211_HTINFO_OPMODE_PURE * IEEE80211_HTINFO_OPMODE_PROTOPT */ case IEEE80211_HTINFO_OPMODE_PURE: case IEEE80211_HTINFO_OPMODE_PROTOPT: default: mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE | RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM | RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 | (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (4 << RT2860_REG_PROT_MCS_SHIFT); gf20_prot = mm20_prot; mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE | RT2860_REG_TXOP_ALLOW_ALL | (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) | (0x84 << RT2860_REG_PROT_MCS_SHIFT); gf40_prot = mm40_prot; break; } rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot); rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot); rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot); rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot); } /* * rt2860_asic_updateslot */ static void rt2860_asic_updateslot(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; uint32_t tmp; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); RT2860_DPRINTF(sc, RT2860_DEBUG_STATE, "%s: %s short slot time\n", device_get_nameunit(sc->dev), ((ic->ic_flags & IEEE80211_F_SHSLOT) || ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling"); tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG); tmp &= ~0xff; if ((ic->ic_flags & IEEE80211_F_SHSLOT) || ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) tmp |= IEEE80211_DUR_SHSLOT; else tmp |= IEEE80211_DUR_SLOT; rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp); } /* * rt2860_asic_wme_update */ static void rt2860_asic_wme_update(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211_wme_state *wme; const struct wmeParams *wmep; int i; ifp = sc->ifp; ic = ifp->if_l2com; wme = &ic->ic_wme; wmep = wme->wme_chanParams.cap_wmeParams; RT2860_DPRINTF(sc, RT2860_DEBUG_WME, "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, " "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n", device_get_nameunit(sc->dev), wmep[WME_AC_VO].wmep_aifsn, wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax, wmep[WME_AC_VO].wmep_txopLimit, wmep[WME_AC_VI].wmep_aifsn, wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax, wmep[WME_AC_VI].wmep_txopLimit, wmep[WME_AC_BK].wmep_aifsn, wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax, wmep[WME_AC_BK].wmep_txopLimit, wmep[WME_AC_BE].wmep_aifsn, wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax, wmep[WME_AC_BE].wmep_txopLimit); for (i = 0; i < WME_NUM_AC; i++) rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i), (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) | (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG, (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) | (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG, (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) | (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG, (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) | (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG, (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit); } /* * rt2860_asic_update_beacon */ static void rt2860_asic_update_beacon(struct rt2860_softc *sc, struct ieee80211vap *vap) { struct rt2860_softc_vap *rvap; struct mbuf *m; struct rt2860_txwi *txwi; uint32_t tmp; rvap = (struct rt2860_softc_vap *) vap; m = rvap->beacon_mbuf; txwi = &rvap->beacon_txwi; /* disable temporarily TSF sync */ tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG); tmp &= ~(RT2860_REG_BCN_TX_ENABLE | RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp); /* write Tx wireless info and beacon frame to on-chip memory */ rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0), txwi, sizeof(struct rt2860_txwi)); rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi), mtod(m, uint8_t *), m->m_pkthdr.len); /* enable again TSF sync */ tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG); tmp |= (RT2860_REG_BCN_TX_ENABLE | RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp); } /* * rt2860_asic_clear_keytables */ static void rt2860_asic_clear_keytables(struct rt2860_softc *sc) { int i; /* clear Rx WCID search table (entries = 256, entry size = 8) */ for (i = 0; i < 256; i++) { rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff); rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff); } /* clear WCID attribute table (entries = 256, entry size = 4) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256); /* clear IV/EIV table (entries = 256, entry size = 8) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256); /* clear pairwise key table (entries = 64, entry size = 32) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64); /* clear shared key table (entries = 32, entry size = 32) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32); /* clear shared key mode (entries = 32, entry size = 2) */ rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16); } /* * rt2860_asic_add_ba_session */ static void rt2860_asic_add_ba_session(struct rt2860_softc *sc, uint8_t wcid, int tid) { uint32_t tmp; RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: adding BA session: wcid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), wcid, tid); tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4); tmp |= (0x10000 << tid); rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp); } /* * rt2860_asic_del_ba_session */ static void rt2860_asic_del_ba_session(struct rt2860_softc *sc, uint8_t wcid, int tid) { uint32_t tmp; RT2860_DPRINTF(sc, RT2860_DEBUG_BA, "%s: deleting BA session: wcid=0x%02x, tid=%d\n", device_get_nameunit(sc->dev), wcid, tid); tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4); tmp &= ~(0x10000 << tid); rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp); } /* * rt2860_beacon_alloc */ static int rt2860_beacon_alloc(struct rt2860_softc *sc, struct ieee80211vap *vap) { struct ieee80211com *ic; struct rt2860_softc_vap *rvap; struct mbuf *m; struct rt2860_txwi txwi; uint8_t rate, mcs; ic = vap->iv_ic; rvap = (struct rt2860_softc_vap *) vap; m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets); if (m == NULL) return ENOMEM; rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2; mcs = rt2860_rate2mcs(rate); RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON, "%s: beacon allocate: mcs=0x%02x\n", device_get_nameunit(sc->dev), mcs); memset(&txwi, 0, sizeof(struct rt2860_txwi)); txwi.wcid = RT2860_WCID_RESERVED; txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) << RT2860_TXWI_MPDU_LEN_SHIFT); txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT); txwi.mpdu_density_flags |= (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT); txwi.bawin_size_xflags |= (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT); if (rate == 2) { txwi.phymode_ifs_stbc_shortgi = (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT); if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) mcs |= RT2860_TXWI_MCS_SHOTPRE; } else { txwi.phymode_ifs_stbc_shortgi = (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT); } txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) | ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT); if (rvap->beacon_mbuf != NULL) { m_free(rvap->beacon_mbuf); rvap->beacon_mbuf = NULL; } rvap->beacon_mbuf = m; rvap->beacon_txwi = txwi; return 0; } /* * rt2860_rxrate */ static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi) { uint8_t mcs, phymode; uint8_t rate; mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK; phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) & RT2860_RXWI_PHYMODE_MASK; rate = 2; switch (phymode) { case RT2860_RXWI_PHYMODE_CCK: switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE) { case 0: rate = 2; break; /* 1 Mbps */ case 1: rate = 4; break; /* 2 MBps */ case 2: rate = 11; break; /* 5.5 Mbps */ case 3: rate = 22; break; /* 11 Mbps */ } break; case RT2860_RXWI_PHYMODE_OFDM: switch (mcs) { case 0: rate = 12; break; /* 6 Mbps */ case 1: rate = 18; break; /* 9 Mbps */ case 2: rate = 24; break; /* 12 Mbps */ case 3: rate = 36; break; /* 18 Mbps */ case 4: rate = 48; break; /* 24 Mbps */ case 5: rate = 72; break; /* 36 Mbps */ case 6: rate = 96; break; /* 48 Mbps */ case 7: rate = 108; break; /* 54 Mbps */ } break; case RT2860_RXWI_PHYMODE_HT_MIXED: case RT2860_RXWI_PHYMODE_HT_GF: break; } return rate; } /* * rt2860_maxrssi_rxpath */ static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc, const struct rt2860_rxwi *rxwi) { uint8_t rxpath; rxpath = 0; if (sc->nrxpath > 1) if (rxwi->rssi[1] > rxwi->rssi[rxpath]) rxpath = 1; if (sc->nrxpath > 2) if (rxwi->rssi[2] > rxwi->rssi[rxpath]) rxpath = 2; return rxpath; } /* * rt2860_rssi2dbm */ static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc, uint8_t rssi, uint8_t rxpath) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211_channel *c; int chan; int8_t rssi_off, lna_gain; if (rssi == 0) return -99; ifp = sc->ifp; ic = ifp->if_l2com; c = ic->ic_curchan; chan = ieee80211_chan2ieee(ic, c); if (IEEE80211_IS_CHAN_5GHZ(c)) { rssi_off = sc->rssi_off_5ghz[rxpath]; if (chan <= 64) lna_gain = sc->lna_gain[1]; else if (chan <= 128) lna_gain = sc->lna_gain[2]; else lna_gain = sc->lna_gain[3]; } else { rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0]; lna_gain = sc->lna_gain[0]; } return (-12 - rssi_off - lna_gain - rssi); } /* * rt2860_rate2mcs */ static uint8_t rt2860_rate2mcs(uint8_t rate) { switch (rate) { /* CCK rates */ case 2: return 0; case 4: return 1; case 11: return 2; case 22: return 3; /* OFDM rates */ case 12: return 0; case 18: return 1; case 24: return 2; case 36: return 3; case 48: return 4; case 72: return 5; case 96: return 6; case 108: return 7; } return 0; } /* * rt2860_tx_mgmt */ static int rt2860_tx_mgmt(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int qid) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; const struct ieee80211_txparam *tp; struct rt2860_softc_node *rni; struct rt2860_softc_tx_ring *ring; struct rt2860_softc_tx_data *data; struct rt2860_txdesc *desc; struct rt2860_txwi *txwi; struct ieee80211_frame *wh; struct rt2860_softc_tx_radiotap_header *tap; bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER]; u_int hdrsize, hdrspace; uint8_t rate, mcs, pid, qsel; uint16_t len, dmalen, mpdu_len, dur; int error, mimops, ndmasegs, ndescs, i, j; KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT, ("%s: Tx MGMT: invalid qid=%d\n", device_get_nameunit(sc->dev), qid)); RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]); ifp = sc->ifp; ic = ifp->if_l2com; vap = ni->ni_vap; rni = (struct rt2860_softc_node *) ni; tp = ni->ni_txparms; ring = &sc->tx_ring[qid]; desc = &ring->desc[ring->desc_cur]; data = &ring->data[ring->data_cur]; txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE); wh = mtod(m, struct ieee80211_frame *); rate = tp->mgmtrate & IEEE80211_RATE_VAL; /* XXX */ if (!rate) return EFBIG; /* fill Tx wireless info */ if (ni->ni_flags & IEEE80211_NODE_HT) mcs = rate; else mcs = rt2860_rate2mcs(rate); /* calculate MPDU length without padding */ hdrsize = ieee80211_anyhdrsize(wh); hdrspace = ieee80211_anyhdrspace(ic, wh); mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize; memset(txwi, 0, sizeof(struct rt2860_txwi)); /* management frames do not need encryption */ txwi->wcid = RT2860_WCID_RESERVED; /* MIMO power save */ if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS)) { if (mcs > 7) { if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS) { /* dynamic MIMO power save */ txwi->mpdu_density_flags |= (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT); } else { /* static MIMO power save */ mcs = 7; } } mimops = 1; } else { mimops = 0; } pid = (mcs < 0xf) ? (mcs + 1) : mcs; txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) << RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) << RT2860_TXWI_MPDU_LEN_SHIFT); if (ni->ni_flags & IEEE80211_NODE_HT) { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT); } else { if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM) { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT); if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) mcs |= RT2860_TXWI_MCS_SHOTPRE; } else { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT); } } txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) | ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT); txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT); /* skip ACKs for multicast frames */ if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { txwi->bawin_size_xflags |= (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT); if (ni->ni_flags & IEEE80211_NODE_HT) { /* preamble + plcp + signal extension + SIFS */ dur = 16 + 4 + 6 + 10; } else { dur = ieee80211_ack_duration(ic->ic_rt, rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE); } *(uint16_t *) wh->i_dur = htole16(dur); } /* ask MAC to insert timestamp into probe responses */ if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) txwi->mpdu_density_flags |= (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT); if (ieee80211_radiotap_active_vap(vap)) { tap = &sc->txtap; tap->flags = IEEE80211_RADIOTAP_F_DATAPAD; tap->chan_flags = htole32(ic->ic_curchan->ic_flags); tap->chan_freq = htole16(ic->ic_curchan->ic_freq); tap->chan_ieee = ic->ic_curchan->ic_ieee; tap->chan_maxpow = 0; if (ni->ni_flags & IEEE80211_NODE_HT) tap->rate = mcs | IEEE80211_RATE_MCS; else tap->rate = rate; if (mcs & RT2860_TXWI_MCS_SHOTPRE) tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE; if (wh->i_fc[1] & IEEE80211_FC1_WEP) tap->flags |= IEEE80211_RADIOTAP_F_WEP; if (wh->i_fc[1] & IEEE80211_FC1_WEP) { wh->i_fc[1] &= ~IEEE80211_FC1_WEP; ieee80211_radiotap_tx(vap, m); wh->i_fc[1] |= IEEE80211_FC1_WEP; } else { ieee80211_radiotap_tx(vap, m); } } /* copy and trim 802.11 header */ m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1)); m_adj(m, hdrspace); error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m, dma_seg, &ndmasegs, BUS_DMA_NOWAIT); if (error != 0) { /* too many fragments, linearize */ RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n", device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error); m = m_defrag(m, M_DONTWAIT); if (m == NULL) return ENOMEM; sc->tx_defrag_packets++; error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m, dma_seg, &ndmasegs, BUS_DMA_NOWAIT); if (error != 0) { printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n", device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error); m_freem(m); return error; } } if (m->m_pkthdr.len == 0) ndmasegs = 0; /* determine how many Tx descs are required */ ndescs = 1 + ndmasegs / 2; if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2)) { RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: there are not enough Tx descs\n", device_get_nameunit(sc->dev)); sc->no_tx_desc_avail++; bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(m); return EFBIG; } data->m = m; data->ni = ni; /* set up Tx descs */ /* first segment is Tx wireless info and 802.11 header */ len = sizeof(struct rt2860_txwi) + hdrsize; /* align end on a 4-bytes boundary */ dmalen = (len + 3) & ~ 3; memset((caddr_t) txwi + len, 0, dmalen - len); qsel = RT2860_TXDESC_QSEL_EDCA; desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE); desc->sdl0 = htole16(dmalen); desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT); /* set up payload segments */ for (i = ndmasegs, j = 0; i >= 2; i -= 2) { desc->sdp1 = htole32(dma_seg[j].ds_addr); desc->sdl1 = htole16(dma_seg[j].ds_len); ring->desc_queued++; ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT; j++; desc = &ring->desc[ring->desc_cur]; desc->sdp0 = htole32(dma_seg[j].ds_addr); desc->sdl0 = htole16(dma_seg[j].ds_len); desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT); j++; } /* finalize last payload segment */ if (i > 0) { desc->sdp1 = htole32(dma_seg[j].ds_addr); desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG); } else { desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG); desc->sdl1 = 0; } RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, " "mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n", device_get_nameunit(sc->dev), qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize, mcs, mimops, dmalen, ndmasegs, (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len); bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREWRITE); ring->desc_queued++; ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT; ring->data_queued++; ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT; /* kick Tx */ rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur); return 0; } /* * rt2860_tx_data */ static int rt2860_tx_data(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, int qid) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; const struct ieee80211_txparam *tp; struct rt2860_softc_node *rni; struct rt2860_softc_tx_ring *ring; struct rt2860_softc_tx_data *data; struct rt2860_txdesc *desc; struct rt2860_txwi *txwi; struct ieee80211_frame *wh; struct ieee80211_tx_ampdu *tx_ampdu; ieee80211_seq seqno; struct rt2860_softc_tx_radiotap_header *tap; bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER]; u_int hdrsize, hdrspace; uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel; uint16_t qos, len, dmalen, mpdu_len, dur; int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j; KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT, ("%s: Tx data: invalid qid=%d\n", device_get_nameunit(sc->dev), qid)); RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]); ifp = sc->ifp; ic = ifp->if_l2com; vap = ni->ni_vap; rni = (struct rt2860_softc_node *) ni; tp = ni->ni_txparms; ring = &sc->tx_ring[qid]; desc = &ring->desc[ring->desc_cur]; data = &ring->data[ring->data_cur]; txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE); wh = mtod(m, struct ieee80211_frame *); type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; hasqos = IEEE80211_QOS_HAS_SEQ(wh); if (hasqos) { if (IEEE80211_HAS_ADDR4(wh)) qos = le16toh(*(const uint16_t *) (((struct ieee80211_qosframe_addr4 *) wh)->i_qos)); else qos = le16toh(*(const uint16_t *) (((struct ieee80211_qosframe *) wh)->i_qos)); } else { qos = 0; } if (IEEE80211_IS_MULTICAST(wh->i_addr1)) rate = tp->mcastrate; else if (m->m_flags & M_EAPOL) rate = tp->mgmtrate; else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) rate = tp->ucastrate; else rate = ni->ni_txrate; rate &= IEEE80211_RATE_VAL; /* XXX */ if (!rate) return EFBIG; /* fill Tx wireless info */ if (ni->ni_flags & IEEE80211_NODE_HT) mcs = rate; else mcs = rt2860_rate2mcs(rate); if (type == IEEE80211_FC0_TYPE_DATA) wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST; else wcid = RT2860_WCID_RESERVED; /* calculate MPDU length without padding */ hdrsize = ieee80211_anyhdrsize(wh); hdrspace = ieee80211_anyhdrspace(ic, wh); mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize; memset(txwi, 0, sizeof(struct rt2860_txwi)); txwi->wcid = wcid; /* MIMO power save */ if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS)) { if (mcs > 7) { if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS) { /* dynamic MIMO power save */ txwi->mpdu_density_flags |= (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT); } else { /* static MIMO power save */ mcs = 7; } } mimops = 1; } else { mimops = 0; } pid = (mcs < 0xf) ? (mcs + 1) : mcs; txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) << RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) << RT2860_TXWI_MPDU_LEN_SHIFT); stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) && (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC); shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) || ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40)); txwi->phymode_ifs_stbc_shortgi |= ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) | ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT); if (ni->ni_flags & IEEE80211_NODE_HT) { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT); } else { if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM) { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT); if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) mcs |= RT2860_TXWI_MCS_SHOTPRE; } else { txwi->phymode_ifs_stbc_shortgi |= (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT); } } if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40)) bw = RT2860_TXWI_BW_40; else bw = RT2860_TXWI_BW_20; txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) | ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT); txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT); if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK)) { txwi->bawin_size_xflags |= (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT); if (ni->ni_flags & IEEE80211_NODE_HT) { /* preamble + plcp + signal extension + SIFS */ dur = 16 + 4 + 6 + 10; } else { dur = ieee80211_ack_duration(ic->ic_rt, rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE); } *(uint16_t *) wh->i_dur = htole16(dur); } /* check for A-MPDU */ if (m->m_flags & M_AMPDU_MPDU) { ac = M_WME_GETAC(m); tid = WME_AC_TO_TID(ac); tx_ampdu = &ni->ni_tx_ampdu[ac]; mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY); bawin_size = tx_ampdu->txa_wnd; txwi->mpdu_density_flags |= ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) | (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT); txwi->bawin_size_xflags |= ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT); seqno = ni->ni_txseqs[tid]++; *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT); ampdu = 1; } else { mpdu_density = 0; bawin_size = 0; ampdu = 0; } /* ask MAC to insert timestamp into probe responses */ if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) txwi->mpdu_density_flags |= (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT); if (ieee80211_radiotap_active_vap(vap)) { tap = &sc->txtap; tap->flags = IEEE80211_RADIOTAP_F_DATAPAD; tap->chan_flags = htole32(ic->ic_curchan->ic_flags); tap->chan_freq = htole16(ic->ic_curchan->ic_freq); tap->chan_ieee = ic->ic_curchan->ic_ieee; tap->chan_maxpow = 0; if (ni->ni_flags & IEEE80211_NODE_HT) tap->rate = mcs | IEEE80211_RATE_MCS; else tap->rate = rate; if (mcs & RT2860_TXWI_MCS_SHOTPRE) tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE; if (shortgi) tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI; if (wh->i_fc[1] & IEEE80211_FC1_WEP) tap->flags |= IEEE80211_RADIOTAP_F_WEP; /* XXX use temporarily radiotap CFP flag as A-MPDU flag */ if (ampdu) tap->flags |= IEEE80211_RADIOTAP_F_CFP; if (wh->i_fc[1] & IEEE80211_FC1_WEP) { wh->i_fc[1] &= ~IEEE80211_FC1_WEP; ieee80211_radiotap_tx(vap, m); wh->i_fc[1] |= IEEE80211_FC1_WEP; } else { ieee80211_radiotap_tx(vap, m); } } /* copy and trim 802.11 header */ m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1)); m_adj(m, hdrspace); error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m, dma_seg, &ndmasegs, BUS_DMA_NOWAIT); if (error != 0) { /* too many fragments, linearize */ RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n", device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error); m = m_defrag(m, M_DONTWAIT); if (m == NULL) return ENOMEM; sc->tx_defrag_packets++; error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m, dma_seg, &ndmasegs, BUS_DMA_NOWAIT); if (error != 0) { printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n", device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error); m_freem(m); return error; } } if (m->m_pkthdr.len == 0) ndmasegs = 0; /* determine how many Tx descs are required */ ndescs = 1 + ndmasegs / 2; if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2)) { RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: there are not enough Tx descs\n", device_get_nameunit(sc->dev)); sc->no_tx_desc_avail++; bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(m); return EFBIG; } data->m = m; data->ni = ni; /* set up Tx descs */ /* first segment is Tx wireless info and 802.11 header */ len = sizeof(struct rt2860_txwi) + hdrsize; /* align end on a 4-bytes boundary */ dmalen = (len + 3) & ~ 3; memset((caddr_t) txwi + len, 0, dmalen - len); qsel = RT2860_TXDESC_QSEL_EDCA; desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE); desc->sdl0 = htole16(dmalen); desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT); /* set up payload segments */ for (i = ndmasegs, j = 0; i >= 2; i -= 2) { desc->sdp1 = htole32(dma_seg[j].ds_addr); desc->sdl1 = htole16(dma_seg[j].ds_len); ring->desc_queued++; ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT; j++; desc = &ring->desc[ring->desc_cur]; desc->sdp0 = htole32(dma_seg[j].ds_addr); desc->sdl0 = htole16(dma_seg[j].ds_len); desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT); j++; } /* finalize last payload segment */ if (i > 0) { desc->sdp1 = htole32(dma_seg[j].ds_addr); desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG); } else { desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG); desc->sdl1 = 0; } RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, " "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, " "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n", device_get_nameunit(sc->dev), qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize, bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs, (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len); bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREWRITE); ring->desc_queued++; ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT; ring->data_queued++; ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT; /* kick Tx */ rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur); return 0; } /* * rt2860_tx_raw static int rt2860_tx_raw(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) { RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: Tx raw\n", device_get_nameunit(sc->dev)); return 0; } */ /* * rt2860_intr */ static void rt2860_intr(void *arg) { struct rt2860_softc *sc; struct ifnet *ifp; uint32_t status; sc = arg; #if !defined(__HAIKU__) ifp = sc->ifp; /* acknowledge interrupts */ status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status); RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: interrupt: status = 0x%08x\n", device_get_nameunit(sc->dev), status); if (status == 0xffffffff || /* device likely went away */ status == 0) /* not for us */ return; sc->interrupts++; if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; #else status = sc->interrupt_status; #endif if (status & RT2860_REG_INT_TX_COHERENT) rt2860_tx_coherent_intr(sc); if (status & RT2860_REG_INT_RX_COHERENT) rt2860_rx_coherent_intr(sc); if (status & RT2860_REG_INT_TXRX_COHERENT) rt2860_txrx_coherent_intr(sc); if (status & RT2860_REG_INT_FIFO_STA_FULL) rt2860_fifo_sta_full_intr(sc); if (status & RT2860_REG_INT_TX_MGMT_DONE) rt2860_tx_intr(sc, 5); if (status & RT2860_REG_INT_RX_DONE) rt2860_rx_intr(sc); if (status & RT2860_REG_INT_RX_DELAY_DONE) rt2860_rx_delay_intr(sc); if (status & RT2860_REG_INT_TX_HCCA_DONE) rt2860_tx_intr(sc, 4); if (status & RT2860_REG_INT_TX_AC3_DONE) rt2860_tx_intr(sc, 3); if (status & RT2860_REG_INT_TX_AC2_DONE) rt2860_tx_intr(sc, 2); if (status & RT2860_REG_INT_TX_AC1_DONE) rt2860_tx_intr(sc, 1); if (status & RT2860_REG_INT_TX_AC0_DONE) rt2860_tx_intr(sc, 0); if (status & RT2860_REG_INT_TX_DELAY_DONE) rt2860_tx_delay_intr(sc); if (status & RT2860_REG_INT_PRE_TBTT) rt2860_pre_tbtt_intr(sc); if (status & RT2860_REG_INT_TBTT) rt2860_tbtt_intr(sc); if (status & RT2860_REG_INT_MCU_CMD) rt2860_mcu_cmd_intr(sc); if (status & RT2860_REG_INT_AUTO_WAKEUP) rt2860_auto_wakeup_intr(sc); if (status & RT2860_REG_INT_GP_TIMER) rt2860_gp_timer_intr(sc); } /* * rt2860_tx_coherent_intr */ static void rt2860_tx_coherent_intr(struct rt2860_softc *sc) { uint32_t tmp; int i; RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Tx coherent interrupt\n", device_get_nameunit(sc->dev)); sc->tx_coherent_interrupts++; /* restart DMA engine */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); tmp &= ~(RT2860_REG_TX_WB_DDONE | RT2860_REG_RX_DMA_ENABLE | RT2860_REG_TX_DMA_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* init Tx rings (4 EDCAs + HCCA + MGMT) */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_reset_tx_ring(sc, &sc->tx_ring[i]); for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) { rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i), sc->tx_ring[i].desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i), RT2860_SOFTC_TX_RING_DESC_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0); } /* init Rx ring */ rt2860_reset_rx_ring(sc, &sc->rx_ring); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR, sc->rx_ring.desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT, RT2860_SOFTC_RX_RING_DATA_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, RT2860_SOFTC_RX_RING_DATA_COUNT - 1); rt2860_txrx_enable(sc); } /* * rt2860_rx_coherent_intr */ static void rt2860_rx_coherent_intr(struct rt2860_softc *sc) { uint32_t tmp; int i; RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Rx coherent interrupt\n", device_get_nameunit(sc->dev)); sc->rx_coherent_interrupts++; /* restart DMA engine */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); tmp &= ~(RT2860_REG_TX_WB_DDONE | RT2860_REG_RX_DMA_ENABLE | RT2860_REG_TX_DMA_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* init Tx rings (4 EDCAs + HCCA + MGMT) */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_reset_tx_ring(sc, &sc->tx_ring[i]); for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) { rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i), sc->tx_ring[i].desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i), RT2860_SOFTC_TX_RING_DESC_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0); } /* init Rx ring */ rt2860_reset_rx_ring(sc, &sc->rx_ring); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR, sc->rx_ring.desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT, RT2860_SOFTC_RX_RING_DATA_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, RT2860_SOFTC_RX_RING_DATA_COUNT - 1); rt2860_txrx_enable(sc); } /* * rt2860_txrx_coherent_intr */ static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc) { uint32_t tmp; int i; RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Tx/Rx coherent interrupt\n", device_get_nameunit(sc->dev)); sc->txrx_coherent_interrupts++; /* restart DMA engine */ tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); tmp &= ~(RT2860_REG_TX_WB_DDONE | RT2860_REG_RX_DMA_ENABLE | RT2860_REG_TX_DMA_ENABLE); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* init Tx rings (4 EDCAs + HCCA + MGMT) */ for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) rt2860_reset_tx_ring(sc, &sc->tx_ring[i]); for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++) { rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i), sc->tx_ring[i].desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i), RT2860_SOFTC_TX_RING_DESC_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0); } /* init Rx ring */ rt2860_reset_rx_ring(sc, &sc->rx_ring); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR, sc->rx_ring.desc_phys_addr); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT, RT2860_SOFTC_RX_RING_DATA_COUNT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, RT2860_SOFTC_RX_RING_DATA_COUNT - 1); rt2860_txrx_enable(sc); } /* * rt2860_fifo_sta_full_intr */ static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: FIFO statistic full interrupt\n", device_get_nameunit(sc->dev)); sc->fifo_sta_full_interrupts++; RT2860_SOFTC_LOCK(sc); if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL)) { rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL); taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task); } sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL; RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_rx_intr */ static void rt2860_rx_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Rx interrupt\n", device_get_nameunit(sc->dev)); sc->rx_interrupts++; RT2860_SOFTC_LOCK(sc); if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE)) { rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE); taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task); } sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE; RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_rx_delay_intr */ static void rt2860_rx_delay_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Rx delay interrupt\n", device_get_nameunit(sc->dev)); sc->rx_delay_interrupts++; } /* * rt2860_tx_intr */ static void rt2860_tx_intr(struct rt2860_softc *sc, int qid) { KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT, ("%s: Tx interrupt: invalid qid=%d\n", device_get_nameunit(sc->dev), qid)); RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Tx interrupt: qid=%d\n", device_get_nameunit(sc->dev), qid); sc->tx_interrupts[qid]++; RT2860_SOFTC_LOCK(sc); if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid))) { rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid)); taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task); } sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid); RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_tx_delay_intr */ static void rt2860_tx_delay_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Tx delay interrupt\n", device_get_nameunit(sc->dev)); sc->tx_delay_interrupts++; } /* * rt2860_pre_tbtt_intr */ static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: Pre-TBTT interrupt\n", device_get_nameunit(sc->dev)); sc->pre_tbtt_interrupts++; } /* * rt2860_tbtt_intr */ static void rt2860_tbtt_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: TBTT interrupt\n", device_get_nameunit(sc->dev)); sc->tbtt_interrupts++; } /* * rt2860_mcu_cmd_intr */ static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: MCU command interrupt\n", device_get_nameunit(sc->dev)); sc->mcu_cmd_interrupts++; } /* * rt2860_auto_wakeup_intr */ static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: auto wakeup interrupt\n", device_get_nameunit(sc->dev)); sc->auto_wakeup_interrupts++; } /* * rt2860_gp_timer_intr */ static void rt2860_gp_timer_intr(struct rt2860_softc *sc) { RT2860_DPRINTF(sc, RT2860_DEBUG_INTR, "%s: GP timer interrupt\n", device_get_nameunit(sc->dev)); sc->gp_timer_interrupts++; } /* * rt2860_rx_done_task */ static void rt2860_rx_done_task(void *context, int pending) { struct rt2860_softc *sc; struct ifnet *ifp; int again; sc = context; ifp = sc->ifp; RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: Rx done task\n", device_get_nameunit(sc->dev)); if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE; again = rt2860_rx_eof(sc, sc->rx_process_limit); RT2860_SOFTC_LOCK(sc); if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again) { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: Rx done task: scheduling again\n", device_get_nameunit(sc->dev)); taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task); } else { rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE); } RT2860_SOFTC_UNLOCK(sc); } /* * rt2860_tx_done_task */ static void rt2860_tx_done_task(void *context, int pending) { struct rt2860_softc *sc; struct ifnet *ifp; uint32_t intr_mask; int i; sc = context; ifp = sc->ifp; RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: Tx done task\n", device_get_nameunit(sc->dev)); if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--) { if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i)) { sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i); rt2860_tx_eof(sc, &sc->tx_ring[i]); } } sc->tx_timer = 0; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; intr_mask = (RT2860_REG_INT_TX_MGMT_DONE | RT2860_REG_INT_TX_HCCA_DONE | RT2860_REG_INT_TX_AC3_DONE | RT2860_REG_INT_TX_AC2_DONE | RT2860_REG_INT_TX_AC1_DONE | RT2860_REG_INT_TX_AC0_DONE); RT2860_SOFTC_LOCK(sc); rt2860_intr_enable(sc, ~sc->intr_pending_mask & (sc->intr_disable_mask & intr_mask)); if (sc->intr_pending_mask & intr_mask) { RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: Tx done task: scheduling again\n", device_get_nameunit(sc->dev)); taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task); } RT2860_SOFTC_UNLOCK(sc); if (!IFQ_IS_EMPTY(&ifp->if_snd)) rt2860_start(ifp); } /* * rt2860_fifo_sta_full_task */ static void rt2860_fifo_sta_full_task(void *context, int pending) { struct rt2860_softc *sc; struct ifnet *ifp; sc = context; ifp = sc->ifp; RT2860_DPRINTF(sc, RT2860_DEBUG_STATS, "%s: FIFO statistic full task\n", device_get_nameunit(sc->dev)); if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL; rt2860_drain_fifo_stats(sc); RT2860_SOFTC_LOCK(sc); if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL) { RT2860_DPRINTF(sc, RT2860_DEBUG_STATS, "%s: FIFO statistic full task: scheduling again\n", device_get_nameunit(sc->dev)); taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task); } else { rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL); } RT2860_SOFTC_UNLOCK(sc); if (!IFQ_IS_EMPTY(&ifp->if_snd)) rt2860_start(ifp); } /* * rt2860_periodic_task */ static void rt2860_periodic_task(void *context, int pending) { struct rt2860_softc *sc; struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; sc = context; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC, "%s: periodic task: round=%lu\n", device_get_nameunit(sc->dev), sc->periodic_round); if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; RT2860_SOFTC_LOCK(sc); sc->periodic_round++; rt2860_update_stats(sc); if ((sc->periodic_round % 10) == 0) { rt2860_bbp_tuning(sc); rt2860_update_raw_counters(sc); rt2860_watchdog(sc); if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN) { if (vap->iv_opmode == IEEE80211_M_STA) rt2860_amrr_update_iter_func(vap, vap->iv_bss); else ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap); } } RT2860_SOFTC_UNLOCK(sc); callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc); } /* * rt2860_rx_eof */ static int rt2860_rx_eof(struct rt2860_softc *sc, int limit) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211_frame *wh; struct ieee80211_node *ni; struct rt2860_softc_node *rni; struct rt2860_softc_rx_radiotap_header *tap; struct rt2860_softc_rx_ring *ring; struct rt2860_rxdesc *desc; struct rt2860_softc_rx_data *data; struct rt2860_rxwi *rxwi; struct mbuf *m, *mnew; bus_dma_segment_t segs[1]; bus_dmamap_t dma_map; uint32_t index, desc_flags; uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag; uint16_t seq; int8_t rssi_dbm; int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i; ifp = sc->ifp; ic = ifp->if_l2com; ring = &sc->rx_ring; nframes = 0; while (limit != 0) { index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX); if (ring->cur == index) break; desc = &ring->desc[ring->cur]; data = &ring->data[ring->cur]; bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); #ifdef XXX_TESTED_AND_WORKED if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE))) break; #endif nframes++; mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); if (mnew == NULL) { sc->rx_mbuf_alloc_errors++; ifp->if_ierrors++; goto skip; } mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE; error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map, mnew, segs, &nsegs, BUS_DMA_NOWAIT); if (error != 0) { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n", device_get_nameunit(sc->dev), error, nsegs); m_freem(mnew); sc->rx_mbuf_dmamap_errors++; ifp->if_ierrors++; goto skip; } KASSERT(nsegs == 1, ("%s: too many DMA segments", device_get_nameunit(sc->dev))); bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(ring->data_dma_tag, data->dma_map); dma_map = data->dma_map; data->dma_map = ring->spare_dma_map; ring->spare_dma_map = dma_map; bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_PREREAD); m = data->m; data->m = mnew; desc->sdp0 = htole32(segs[0].ds_addr); desc_flags = le32toh(desc->flags); RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: Rx frame: rxdesc flags=0x%08x\n", device_get_nameunit(sc->dev), desc_flags); /* get Rx wireless info */ rxwi = mtod(m, struct rt2860_rxwi *); len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) & RT2860_RXWI_SIZE_MASK; /* check for L2 padding between IEEE 802.11 frame header and body */ if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: L2 padding: len=%d\n", device_get_nameunit(sc->dev), len); len += 2; } m->m_pkthdr.rcvif = ifp; m->m_data = (caddr_t) (rxwi + 1); m->m_pkthdr.len = m->m_len = len; /* check for crc errors */ if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR) { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: rxdesc: crc error\n", device_get_nameunit(sc->dev)); ifp->if_ierrors++; if (!(ifp->if_flags & IFF_PROMISC)) { m_freem(m); goto skip; } } wh = (struct ieee80211_frame *) (rxwi + 1); /* check for cipher errors */ if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) { cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) & RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK); if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE) { if (wh->i_fc[1] & IEEE80211_FC1_WEP) wh->i_fc[1] &= ~IEEE80211_FC1_WEP; m->m_flags |= M_WEP; sc->rx_cipher_no_errors++; } else { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: rxdesc: cipher error=0x%02x\n", device_get_nameunit(sc->dev), cipher_err); if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV) sc->rx_cipher_icv_errors++; else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) sc->rx_cipher_mic_errors++; else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY) sc->rx_cipher_invalid_key_errors++; if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) && (desc_flags & RT2860_RXDESC_FLAGS_MYBSS)) { ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh); if (ni != NULL) { keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) & RT2860_RXWI_KEYIDX_MASK; ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx); ieee80211_free_node(ni); } } ifp->if_ierrors++; if (!(ifp->if_flags & IFF_PROMISC)) { m_free(m); goto skip; } } } else { if (wh->i_fc[1] & IEEE80211_FC1_WEP) { RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: rxdesc: not decrypted but protected flag set\n", device_get_nameunit(sc->dev)); ifp->if_ierrors++; if (!(ifp->if_flags & IFF_PROMISC)) { m_free(m); goto skip; } } } /* check for A-MPDU */ if (desc_flags & RT2860_RXDESC_FLAGS_BA) { m->m_flags |= M_AMPDU; sc->rx_ampdu++; if (wh->i_fc[1] & IEEE80211_FC1_RETRY) sc->rx_ampdu_retries++; ampdu = 1; } else { ampdu = 0; } /* check for A-MSDU */ if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU) { sc->rx_amsdu++; amsdu = 1; } else { amsdu = 0; } ant = rt2860_maxrssi_rxpath(sc, rxwi); rssi = rxwi->rssi[ant]; rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant); phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) & RT2860_RXWI_PHYMODE_MASK); bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK); shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) & RT2860_RXWI_SHORTGI_MASK); stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) & RT2860_RXWI_STBC_MASK); mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK); tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK); seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK); frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK); if (ieee80211_radiotap_active(ic)) { tap = &sc->rxtap; tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0; tap->dbm_antsignal = rssi_dbm; tap->dbm_antnoise = RT2860_NOISE_FLOOR; tap->antenna = ant; tap->antsignal = rssi; tap->chan_flags = htole32(ic->ic_curchan->ic_flags); tap->chan_freq = htole16(ic->ic_curchan->ic_freq); tap->chan_ieee = ic->ic_curchan->ic_ieee; tap->chan_maxpow = 0; if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF) tap->rate = mcs | IEEE80211_RATE_MCS; else tap->rate = rt2860_rxrate(rxwi); if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR) tap->flags |= IEEE80211_RADIOTAP_F_BADFCS; if (desc_flags & RT2860_RXDESC_FLAGS_FRAG) tap->flags |= IEEE80211_RADIOTAP_F_FRAG; if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE) tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE; if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) || (wh->i_fc[1] & IEEE80211_FC1_WEP)) tap->flags |= IEEE80211_RADIOTAP_F_WEP; if (shortgi) tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI; /* XXX use temporarily radiotap CFP flag as A-MPDU flag */ if (ampdu) tap->flags |= IEEE80211_RADIOTAP_F_CFP; } /* * net80211 assumes that RSSI data are in the range [-127..127] and * in .5 dBm units relative to the current noise floor */ rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2; if (rssi_dbm_rel > 127) rssi_dbm_rel = 127; RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, " "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, " "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n", device_get_nameunit(sc->dev), len, phymode, bw, shortgi, stbc, mcs, ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2], rxwi->snr[0], rxwi->snr[1], rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0, rssi_dbm, rssi_dbm_rel); ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh); if (ni != NULL) { rni = (struct rt2860_softc_node *) ni; for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++) { rni->last_rssi[i] = rxwi->rssi[i]; rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i); } ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR); ieee80211_free_node(ni); } else { ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR); } skip: desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE); bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT; limit--; } if (ring->cur == 0) rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, RT2860_SOFTC_RX_RING_DATA_COUNT - 1); else rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX, ring->cur - 1); RT2860_DPRINTF(sc, RT2860_DEBUG_RX, "%s: Rx eof: nframes=%d\n", device_get_nameunit(sc->dev), nframes); sc->rx_packets += nframes; return (limit == 0); } /* * rt2860_tx_eof */ static void rt2860_tx_eof(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring) { struct ifnet *ifp; struct rt2860_txdesc *desc; struct rt2860_softc_tx_data *data; uint32_t index; int ndescs, nframes; ifp = sc->ifp; ndescs = 0; nframes = 0; for (;;) { index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid)); if (ring->desc_next == index) break; ndescs++; rt2860_drain_fifo_stats(sc); desc = &ring->desc[ring->desc_next]; bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) || desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG)) { nframes++; data = &ring->data[ring->data_next]; if (data->m->m_flags & M_TXCB) ieee80211_process_callback(data->ni, data->m, 0); bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(data->m); ieee80211_free_node(data->ni); data->m = NULL; data->ni = NULL; ifp->if_opackets++; RT2860_SOFTC_TX_RING_LOCK(ring); ring->data_queued--; ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT; RT2860_SOFTC_TX_RING_UNLOCK(ring); } desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE); bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); RT2860_SOFTC_TX_RING_LOCK(ring); ring->desc_queued--; ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT; RT2860_SOFTC_TX_RING_UNLOCK(ring); } RT2860_DPRINTF(sc, RT2860_DEBUG_TX, "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n", device_get_nameunit(sc->dev), ring->qid, ndescs, nframes); } /* * rt2860_update_stats */ static void rt2860_update_stats(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; uint32_t stacnt[3]; int beacons, noretryok, retryok, failed, underflows, zerolen; ifp = sc->ifp; ic = ifp->if_l2com; RT2860_DPRINTF(sc, RT2860_DEBUG_STATS, "%s: update statistic\n", device_get_nameunit(sc->dev)); rt2860_drain_fifo_stats(sc); /* read and clear Tx statistic registers */ rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0, stacnt, sizeof(stacnt)); stacnt[0] = le32toh(stacnt[0]); stacnt[1] = le32toh(stacnt[1]); stacnt[2] = le32toh(stacnt[2]); beacons = stacnt[0] >> 16; noretryok = stacnt[1] & 0xffff; retryok = stacnt[1] >> 16; failed = stacnt[0] & 0xffff; underflows = stacnt[2] >> 16; zerolen = stacnt[2] & 0xffff; RT2860_DPRINTF(sc, RT2860_DEBUG_STATS, "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n", device_get_nameunit(sc->dev), beacons, noretryok, retryok, failed, underflows, zerolen); ifp->if_oerrors += failed; sc->tx_beacons += beacons; sc->tx_noretryok += noretryok; sc->tx_retryok += retryok; sc->tx_failed += failed; sc->tx_underflows += underflows; sc->tx_zerolen += zerolen; } /* * rt2860_bbp_tuning */ static void rt2860_bbp_tuning(struct rt2860_softc *sc) { struct ifnet *ifp; struct ieee80211com *ic; struct ieee80211vap *vap; struct ieee80211_node *ni; int chan, group; int8_t rssi, old, new; /* RT2860C does not support BBP tuning */ if (sc->mac_rev == 0x28600100) return; ifp = sc->ifp; ic = ifp->if_l2com; vap = TAILQ_FIRST(&ic->ic_vaps); if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL || vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN) return; ni = vap->iv_bss; chan = ieee80211_chan2ieee(ic, ni->ni_chan); if (chan <= 14) group = 0; else if (chan <= 64) group = 1; else if (chan <= 128) group = 2; else group = 3; rssi = ieee80211_getrssi(vap); if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { new = 0x2e + sc->lna_gain[group]; } else { if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan)) new = 0x32 + sc->lna_gain[group] * 5 / 3; else new = 0x3a + sc->lna_gain[group] * 5 / 3; } /* Tune if absolute average RSSI is greater than -80 */ if (rssi > 30) new += 0x10; old = rt2860_io_bbp_read(sc, 66); if (old != new) rt2860_io_bbp_write(sc, 66, new); } /* * rt2860_watchdog */ static void rt2860_watchdog(struct rt2860_softc *sc) { uint32_t tmp; int ntries; tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT); RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG, "%s: watchdog: TXRXQ_PCNT=0x%08x\n", device_get_nameunit(sc->dev), tmp); if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0) { sc->tx_queue_not_empty[0]++; rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012); for (ntries = 0; ntries < 10; ntries++) { tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT); if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0) break; DELAY(1); } rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006); } if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0) { sc->tx_queue_not_empty[1]++; rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a); for (ntries = 0; ntries < 10; ntries++) { tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT); if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0) break; DELAY(1); } rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006); } } /* * rt2860_drain_fifo_stats */ static void rt2860_drain_fifo_stats(struct rt2860_softc *sc) { struct ifnet *ifp; uint32_t stats; uint8_t wcid, mcs, pid; int ok, agg, retrycnt; ifp = sc->ifp; /* drain Tx status FIFO (maxsize = 16) */ while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) & RT2860_REG_TX_STA_FIFO_VALID) { wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) & RT2860_REG_TX_STA_FIFO_WCID_MASK; /* if no ACK was requested, no feedback is available */ if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED) continue; /* update AMRR statistic */ ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0; agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0; mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) & RT2860_REG_TX_STA_FIFO_MCS_MASK; pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) & RT2860_REG_TX_STA_FIFO_PID_MASK; retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0; RT2860_DPRINTF(sc, RT2860_DEBUG_STATS, "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n", device_get_nameunit(sc->dev), wcid, ok, agg, mcs, pid, retrycnt); rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt); if (!ok) ifp->if_oerrors++; } } /* * rt2860_update_raw_counters */ static void rt2860_update_raw_counters(struct rt2860_softc *sc) { uint32_t tmp; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT); sc->tx_nonagg += tmp & 0xffff; sc->tx_agg += tmp >> 16; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0); sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1); sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2); sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3); sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4); sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5); sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6); sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14; tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7); sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16; tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0); sc->rx_crc_errors += tmp & 0xffff; sc->rx_phy_errors += tmp >> 16; tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1); sc->rx_false_ccas += tmp & 0xffff; sc->rx_plcp_errors += tmp >> 16; tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2); sc->rx_dup_packets += tmp & 0xffff; sc->rx_fifo_overflows += tmp >> 16; tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT); sc->tx_mpdu_zero_density += tmp & 0xffff; sc->rx_mpdu_zero_density += tmp >> 16; } /* * rt2860_intr_enable */ static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask) { uint32_t tmp; sc->intr_disable_mask &= ~intr_mask; tmp = sc->intr_enable_mask & ~sc->intr_disable_mask; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp); } /* * rt2860_intr_disable */ static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask) { uint32_t tmp; sc->intr_disable_mask |= intr_mask; tmp = sc->intr_enable_mask & ~sc->intr_disable_mask; rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp); } /* * rt2860_txrx_enable */ static int rt2860_txrx_enable(struct rt2860_softc *sc) { struct ieee80211com *ic; struct ifnet *ifp; uint32_t tmp; int ntries; ifp = sc->ifp; ic = ifp->if_l2com; /* enable Tx/Rx DMA engine */ rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE); for (ntries = 0; ntries < 200; ntries++) { tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG); if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY))) break; DELAY(1000); } if (ntries == 200) { printf("%s: timeout waiting for DMA engine\n", device_get_nameunit(sc->dev)); return -1; } DELAY(50); tmp |= RT2860_REG_TX_WB_DDONE | RT2860_REG_RX_DMA_ENABLE | RT2860_REG_TX_DMA_ENABLE | (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT); rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp); /* set Rx filter */ tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR | RT2860_REG_RX_FILTER_DROP_PHY_ERR; if (ic->ic_opmode != IEEE80211_M_MONITOR) { tmp |= RT2860_REG_RX_FILTER_DROP_DUPL | RT2860_REG_RX_FILTER_DROP_CTS | RT2860_REG_RX_FILTER_DROP_BA | RT2860_REG_RX_FILTER_DROP_ACK | RT2860_REG_RX_FILTER_DROP_VER_ERR | RT2860_REG_RX_FILTER_DROP_CTRL_RSV | RT2860_REG_RX_FILTER_DROP_CFACK | RT2860_REG_RX_FILTER_DROP_CFEND; if (ic->ic_opmode == IEEE80211_M_STA) tmp |= RT2860_REG_RX_FILTER_DROP_RTS | RT2860_REG_RX_FILTER_DROP_PSPOLL; if (!(ifp->if_flags & IFF_PROMISC)) tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME; } rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp); rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE); return 0; } /* * rt2860_alloc_rx_ring */ static int rt2860_alloc_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring) { struct rt2860_rxdesc *desc; struct rt2860_softc_rx_data *data; bus_dma_segment_t segs[1]; int i, nsegs, error; error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1, RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 0, NULL, NULL, &ring->desc_dma_tag); if (error != 0) { printf("%s: could not create Rx desc DMA tag\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc, BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map); if (error != 0) { printf("%s: could not allocate Rx desc DMA memory\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map, ring->desc, RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), rt2860_dma_map_addr, &ring->desc_phys_addr, 0); if (error != 0) { printf("%s: could not load Rx desc DMA map\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL, &ring->data_dma_tag); if (error != 0) { printf("%s: could not create Rx data DMA tag\n", device_get_nameunit(sc->dev)); goto fail; } for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++) { desc = &ring->desc[i]; data = &ring->data[i]; error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map); if (error != 0) { printf("%s: could not create Rx data DMA map\n", device_get_nameunit(sc->dev)); goto fail; } data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); if (data->m == NULL) { printf("%s: could not allocate Rx mbuf\n", device_get_nameunit(sc->dev)); error = ENOMEM; goto fail; } data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE; error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, data->m, segs, &nsegs, BUS_DMA_NOWAIT); if (error != 0) { printf("%s: could not load Rx mbuf DMA map\n", device_get_nameunit(sc->dev)); goto fail; } KASSERT(nsegs == 1, ("%s: too many DMA segments", device_get_nameunit(sc->dev))); desc->sdp0 = htole32(segs[0].ds_addr); desc->sdl0 = htole16(MJUMPAGESIZE); } error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map); if (error != 0) { printf("%s: could not create Rx spare DMA map\n", device_get_nameunit(sc->dev)); goto fail; } bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); return 0; fail: rt2860_free_rx_ring(sc, ring); return error; } /* * rt2860_reset_rx_ring */ static void rt2860_reset_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring) { struct rt2860_rxdesc *desc; int i; for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++) { desc = &ring->desc[i]; desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE); } bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ring->cur = 0; } /* * rt2860_free_rx_ring */ static void rt2860_free_rx_ring(struct rt2860_softc *sc, struct rt2860_softc_rx_ring *ring) { struct rt2860_softc_rx_data *data; int i; if (ring->desc != NULL) { bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map); bus_dmamem_free(ring->desc_dma_tag, ring->desc, ring->desc_dma_map); } if (ring->desc_dma_tag != NULL) bus_dma_tag_destroy(ring->desc_dma_tag); for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++) { data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(data->m); } if (data->dma_map != NULL) bus_dmamap_destroy(ring->data_dma_tag, data->dma_map); } if (ring->spare_dma_map != NULL) bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map); if (ring->data_dma_tag != NULL) bus_dma_tag_destroy(ring->data_dma_tag); } /* * rt2860_alloc_tx_ring */ static int rt2860_alloc_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring, int qid) { struct rt2860_softc_tx_data *data; int error, i; mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF); error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1, RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 0, NULL, NULL, &ring->desc_dma_tag); if (error != 0) { printf("%s: could not create Tx desc DMA tag\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc, BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map); if (error != 0) { printf("%s: could not allocate Tx desc DMA memory\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map, ring->desc, RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), rt2860_dma_map_addr, &ring->desc_phys_addr, 0); if (error != 0) { printf("%s: could not load Tx desc DMA map\n", device_get_nameunit(sc->dev)); goto fail; } ring->desc_queued = 0; ring->desc_cur = 0; ring->desc_next = 0; error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1, RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 0, NULL, NULL, &ring->seg0_dma_tag); if (error != 0) { printf("%s: could not create Tx seg0 DMA tag\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0, BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map); if (error != 0) { printf("%s: could not allocate Tx seg0 DMA memory\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map, ring->seg0, RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, rt2860_dma_map_addr, &ring->seg0_phys_addr, 0); if (error != 0) { printf("%s: could not load Tx seg0 DMA map\n", device_get_nameunit(sc->dev)); goto fail; } error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL, &ring->data_dma_tag); if (error != 0) { printf("%s: could not create Tx data DMA tag\n", device_get_nameunit(sc->dev)); goto fail; } for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++) { data = &ring->data[i]; error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map); if (error != 0) { printf("%s: could not create Tx data DMA map\n", device_get_nameunit(sc->dev)); goto fail; } } ring->data_queued = 0; ring->data_cur = 0; ring->data_next = 0; ring->qid = qid; return 0; fail: rt2860_free_tx_ring(sc, ring); return error; } /* * rt2860_reset_tx_ring */ static void rt2860_reset_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring) { struct rt2860_softc_tx_data *data; struct rt2860_txdesc *desc; int i; for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++) { desc = &ring->desc[i]; desc->sdl0 = 0; desc->sdl1 = 0; } ring->desc_queued = 0; ring->desc_cur = 0; ring->desc_next = 0; bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map, BUS_DMASYNC_PREWRITE); for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++) { data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(data->m); data->m = NULL; } if (data->ni != NULL) { ieee80211_free_node(data->ni); data->ni = NULL; } } ring->data_queued = 0; ring->data_cur = 0; ring->data_next = 0; } /* * rt2860_free_tx_ring */ static void rt2860_free_tx_ring(struct rt2860_softc *sc, struct rt2860_softc_tx_ring *ring) { struct rt2860_softc_tx_data *data; int i; if (ring->desc != NULL) { bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map); bus_dmamem_free(ring->desc_dma_tag, ring->desc, ring->desc_dma_map); } if (ring->desc_dma_tag != NULL) bus_dma_tag_destroy(ring->desc_dma_tag); if (ring->seg0 != NULL) { bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map); bus_dmamem_free(ring->seg0_dma_tag, ring->seg0, ring->seg0_dma_map); } if (ring->seg0_dma_tag != NULL) bus_dma_tag_destroy(ring->seg0_dma_tag); for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++) { data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(ring->data_dma_tag, data->dma_map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ring->data_dma_tag, data->dma_map); m_freem(data->m); } if (data->ni != NULL) ieee80211_free_node(data->ni); if (data->dma_map != NULL) bus_dmamap_destroy(ring->data_dma_tag, data->dma_map); } if (ring->data_dma_tag != NULL) bus_dma_tag_destroy(ring->data_dma_tag); mtx_destroy(&ring->lock); } /* * rt2860_dma_map_addr */ static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) { if (error != 0) return; KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); *(bus_addr_t *) arg = segs[0].ds_addr; } /* * rt2860_sysctl_attach */ static void rt2860_sysctl_attach(struct rt2860_softc *sc) { struct sysctl_ctx_list *ctx; struct sysctl_oid *tree; struct sysctl_oid *stats; ctx = device_get_sysctl_ctx(sc->dev); tree = device_get_sysctl_tree(sc->dev); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0, "Tx STBC"); /* statistic counters */ stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "stats", CTLFLAG_RD, 0, "statistic"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "interrupts", CTLFLAG_RD, &sc->interrupts, 0, "all interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0, "Tx coherent interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0, "Rx coherent interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0, "Tx/Rx coherent interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0, "FIFO statistic full interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0, "Rx interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0, "Rx delay interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0, "Tx MGMT interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0, "Tx HCCA interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0, "Tx AC3 interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0, "Tx AC2 interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0, "Tx AC1 interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0, "Tx AC0 interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0, "Tx delay interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0, "Pre-TBTT interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0, "TBTT interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0, "MCU command interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0, "auto wakeup interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0, "GP timer interrupts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0, "Tx MGMT descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0, "Tx MGMT data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0, "Tx HCCA descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0, "Tx HCCA data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0, "Tx AC3 descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0, "Tx AC3 data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0, "Tx AC2 descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0, "Tx AC2 data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0, "Tx AC1 descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0, "Tx AC1 data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0, "Tx AC0 descriptors queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0, "Tx AC0 data queued"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0, "Tx MGMT data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0, "Tx HCCA data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0, "Tx AC3 data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0, "Tx AC2 data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0, "Tx AC1 data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0, "Tx AC0 data queue full"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0, "Tx watchdog timeouts"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0, "Tx defragmented packets"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0, "no Tx descriptors available"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0, "Rx mbuf allocation errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0, "Rx mbuf DMA mapping errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0, "Tx queue 0 not empty"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0, "Tx queue 1 not empty"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0, "Tx beacons"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0, "Tx successfull without retries"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0, "Tx successfull with retries"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0, "Tx failed"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0, "Tx underflows"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0, "Tx zero length"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0, "Tx non-aggregated"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0, "Tx aggregated"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0, "Tx A-MPDU"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0, "Tx MPDU with zero density"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0, "Tx A-MPDU sessions"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0, "Rx packets"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0, "Rx A-MPDU"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0, "Rx A-MPDU retries"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0, "Rx MPDU with zero density"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0, "Rx A-MPDU sessions"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0, "Rx A-MSDU"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0, "Rx CRC errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0, "Rx PHY errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0, "Rx false CCAs"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0, "Rx PLCP errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0, "Rx duplicate packets"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0, "Rx FIFO overflows"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0, "Rx cipher no errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0, "Rx cipher ICV errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0, "Rx cipher MIC errors"); SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO, "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0, "Rx cipher invalid key errors"); }