/* $NetBSD: malo.c,v 1.21 2024/09/07 06:17:37 andvar Exp $ */ /* $OpenBSD: malo.c,v 1.92 2010/08/27 17:08:00 jsg Exp $ */ /* * Copyright (c) 2006 Claudio Jeker * Copyright (c) 2006 Marcus Glocker * * 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 __KERNEL_RCSID(0, "$NetBSD: malo.c,v 1.21 2024/09/07 06:17:37 andvar Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef MALO_DEBUG int malo_d = 2; #define DPRINTF(l, x...) do { if ((l) <= malo_d) printf(x); } while (0) #else #define DPRINTF(l, x...) #endif /* internal structures and defines */ struct malo_node { struct ieee80211_node ni; }; struct malo_rx_data { bus_dmamap_t map; struct mbuf *m; }; struct malo_tx_data { bus_dmamap_t map; struct mbuf *m; uint32_t softstat; struct ieee80211_node *ni; }; /* RX descriptor used by HW */ struct malo_rx_desc { uint8_t rxctrl; uint8_t rssi; uint8_t status; uint8_t channel; uint16_t len; uint8_t reserved1; /* actually unused */ uint8_t datarate; uint32_t physdata; /* DMA address of data */ uint32_t physnext; /* DMA address of next control block */ uint16_t qosctrl; uint16_t reserved2; } __packed; /* TX descriptor used by HW */ struct malo_tx_desc { uint32_t status; #define MALO_TXD_STATUS_IDLE 0x00000000 #define MALO_TXD_STATUS_USED 0x00000001 #define MALO_TXD_STATUS_OK 0x00000001 #define MALO_TXD_STATUS_OK_RETRY 0x00000002 #define MALO_TXD_STATUS_OK_MORE_RETRY 0x00000004 #define MALO_TXD_STATUS_MULTICAST_TX 0x00000008 #define MALO_TXD_STATUS_BROADCAST_TX 0x00000010 #define MALO_TXD_STATUS_FAILED_LINK_ERROR 0x00000020 #define MALO_TXD_STATUS_FAILED_EXCEED_LIMIT 0x00000040 #define MALO_TXD_STATUS_FAILED_XRETRY MALO_TXD_STATUS_FAILED_EXCEED_LIMIT #define MALO_TXD_STATUS_FAILED_AGING 0x00000080 #define MALO_TXD_STATUS_FW_OWNED 0x80000000 uint8_t datarate; uint8_t txpriority; uint16_t qosctrl; uint32_t physdata; /* DMA address of data */ uint16_t len; uint8_t destaddr[6]; uint32_t physnext; /* DMA address of next control block */ uint32_t reserved1; /* SAP packet info ??? */ uint32_t reserved2; } __packed; #define MALO_RX_RING_COUNT 256 #define MALO_TX_RING_COUNT 256 #define MALO_MAX_SCATTER 8 /* XXX unknown, wild guess */ #define MALO_CMD_TIMEOUT 50 /* MALO_CMD_TIMEOUT * 100us */ /* * Firmware commands */ #define MALO_CMD_GET_HW_SPEC 0x0003 #define MALO_CMD_SET_RADIO 0x001c #define MALO_CMD_SET_AID 0x010d #define MALO_CMD_SET_TXPOWER 0x001e #define MALO_CMD_SET_ANTENNA 0x0020 #define MALO_CMD_SET_PRESCAN 0x0107 #define MALO_CMD_SET_POSTSCAN 0x0108 #define MALO_CMD_SET_RATE 0x0110 #define MALO_CMD_SET_CHANNEL 0x010a #define MALO_CMD_SET_RTS 0x0113 #define MALO_CMD_SET_SLOT 0x0114 #define MALO_CMD_RESPONSE 0x8000 #define MALO_CMD_RESULT_OK 0x0000 /* everything is fine */ #define MALO_CMD_RESULT_ERROR 0x0001 /* general error */ #define MALO_CMD_RESULT_NOSUPPORT 0x0002 /* command not valid */ #define MALO_CMD_RESULT_PENDING 0x0003 /* will be processed */ #define MALO_CMD_RESULT_BUSY 0x0004 /* command ignored */ #define MALO_CMD_RESULT_PARTIALDATA 0x0005 /* buffer too small */ struct malo_cmdheader { uint16_t cmd; uint16_t size; /* size of the command, incl. header */ uint16_t seqnum; /* seems not to matter that much */ uint16_t result; /* set to 0 on request */ /* following the data payload, up to 256 bytes */ }; struct malo_hw_spec { uint16_t HwVersion; uint16_t NumOfWCB; uint16_t NumOfMCastAdr; uint8_t PermanentAddress[6]; uint16_t RegionCode; uint16_t NumberOfAntenna; uint32_t FWReleaseNumber; uint32_t WcbBase0; uint32_t RxPdWrPtr; uint32_t RxPdRdPtr; uint32_t CookiePtr; uint32_t WcbBase1; uint32_t WcbBase2; uint32_t WcbBase3; } __packed; struct malo_cmd_radio { uint16_t action; uint16_t preamble_mode; uint16_t enable; } __packed; struct malo_cmd_aid { uint16_t associd; uint8_t macaddr[6]; uint32_t gprotection; uint8_t aprates[14]; } __packed; struct malo_cmd_txpower { uint16_t action; uint16_t supportpowerlvl; uint16_t currentpowerlvl; uint16_t reserved; uint16_t powerlvllist[8]; } __packed; struct malo_cmd_antenna { uint16_t action; uint16_t mode; } __packed; struct malo_cmd_postscan { uint32_t isibss; uint8_t bssid[6]; } __packed; struct malo_cmd_channel { uint16_t action; uint8_t channel; } __packed; struct malo_cmd_rate { uint8_t dataratetype; uint8_t rateindex; uint8_t aprates[14]; } __packed; struct malo_cmd_rts { uint16_t action; uint32_t threshold; } __packed; struct malo_cmd_slot { uint16_t action; uint8_t slot; } __packed; #define malo_mem_write4(sc, off, x) \ bus_space_write_4((sc)->sc_mem1_bt, (sc)->sc_mem1_bh, (off), (x)) #define malo_mem_write2(sc, off, x) \ bus_space_write_2((sc)->sc_mem1_bt, (sc)->sc_mem1_bh, (off), (x)) #define malo_mem_write1(sc, off, x) \ bus_space_write_1((sc)->sc_mem1_bt, (sc)->sc_mem1_bh, (off), (x)) #define malo_mem_read4(sc, off) \ bus_space_read_4((sc)->sc_mem1_bt, (sc)->sc_mem1_bh, (off)) #define malo_mem_read1(sc, off) \ bus_space_read_1((sc)->sc_mem1_bt, (sc)->sc_mem1_bh, (off)) #define malo_ctl_write4(sc, off, x) \ bus_space_write_4((sc)->sc_mem2_bt, (sc)->sc_mem2_bh, (off), (x)) #define malo_ctl_read4(sc, off) \ bus_space_read_4((sc)->sc_mem2_bt, (sc)->sc_mem2_bh, (off)) #define malo_ctl_read1(sc, off) \ bus_space_read_1((sc)->sc_mem2_bt, (sc)->sc_mem2_bh, (off)) #define malo_ctl_barrier(sc, t) \ bus_space_barrier((sc)->sc_mem2_bt, (sc)->sc_mem2_bh, 0x0c00, 0xff, (t)) static int malo_alloc_cmd(struct malo_softc *sc); static void malo_free_cmd(struct malo_softc *sc); static void malo_send_cmd(struct malo_softc *sc, bus_addr_t addr); static int malo_send_cmd_dma(struct malo_softc *sc, bus_addr_t addr); static int malo_alloc_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring, int count); static void malo_reset_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring); static void malo_free_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring); static int malo_alloc_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring, int count); static void malo_reset_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring); static void malo_free_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring); static int malo_ioctl(struct ifnet *ifp, u_long cmd, void* data); static void malo_start(struct ifnet *ifp); static void malo_watchdog(struct ifnet *ifp); static int malo_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg); static void malo_newassoc(struct ieee80211_node *ni, int isnew); static struct ieee80211_node * malo_node_alloc(struct ieee80211_node_table *nt); static int malo_media_change(struct ifnet *ifp); static void malo_media_status(struct ifnet *ifp, struct ifmediareq *imr); static int malo_chip2rate(int chip_rate); static int malo_fix2rate(int fix_rate); static void malo_next_scan(void *arg); static void malo_tx_intr(struct malo_softc *sc); static int malo_tx_data(struct malo_softc *sc, struct mbuf *m0, struct ieee80211_node *ni); static void malo_tx_setup_desc(struct malo_softc *sc, struct malo_tx_desc *desc, int len, int rate, const bus_dma_segment_t *segs, int nsegs); static void malo_rx_intr(struct malo_softc *sc); static int malo_load_bootimg(struct malo_softc *sc); static int malo_load_firmware(struct malo_softc *sc); static int malo_set_slot(struct malo_softc *sc); static void malo_update_slot(struct ifnet* ifp); #ifdef MALO_DEBUG static void malo_hexdump(void *buf, int len); #endif static const char *malo_cmd_string(uint16_t cmd); static const char *malo_cmd_string_result(uint16_t result); static int malo_cmd_get_spec(struct malo_softc *sc); static int malo_cmd_set_prescan(struct malo_softc *sc); static int malo_cmd_set_postscan(struct malo_softc *sc, uint8_t *macaddr, uint8_t ibsson); static int malo_cmd_set_channel(struct malo_softc *sc, struct ieee80211_channel *chan); static int malo_cmd_set_antenna(struct malo_softc *sc, uint16_t antenna_type); static int malo_cmd_set_radio(struct malo_softc *sc, uint16_t mode, uint16_t preamble); static int malo_cmd_set_aid(struct malo_softc *sc, uint8_t *bssid, uint16_t associd); static int malo_cmd_set_txpower(struct malo_softc *sc, unsigned int powerlevel); static int malo_cmd_set_rts(struct malo_softc *sc, uint32_t threshold); static int malo_cmd_set_slot(struct malo_softc *sc, uint8_t slot); static int malo_cmd_set_rate(struct malo_softc *sc, uint8_t rate); static void malo_cmd_response(struct malo_softc *sc); int malo_intr(void *arg) { struct malo_softc *sc = arg; uint32_t status; status = malo_ctl_read4(sc, MALO_REG_A2H_INTERRUPT_CAUSE); if (status == 0xffffffff || status == 0) /* not for us */ return (0); /* disable interrupts */ malo_ctl_read4(sc, MALO_REG_A2H_INTERRUPT_CAUSE); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_CAUSE, 0); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_MASK, 0); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_STATUS_MASK, 0); softint_schedule(sc->sc_soft_ih); return (1); } void malo_softintr(void *arg) { struct malo_softc *sc = arg; uint32_t status; status = malo_ctl_read4(sc, MALO_REG_A2H_INTERRUPT_CAUSE); if (status == 0xffffffff || status == 0) goto out; /* not for us */ if (status & MALO_A2HRIC_BIT_TX_DONE) malo_tx_intr(sc); if (status & MALO_A2HRIC_BIT_RX_RDY) malo_rx_intr(sc); if (status & MALO_A2HRIC_BIT_OPC_DONE) { /* XXX cmd done interrupt handling doesn't work yet */ DPRINTF(1, "%s: got cmd done interrupt\n", device_xname(sc->sc_dev)); //malo_cmd_response(sc); } if (status & ~0x7) { DPRINTF(1, "%s: unknown interrupt %x\n", device_xname(sc->sc_dev), status); } /* just ack the interrupt */ malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_CAUSE, 0); out: /* enable interrupts */ malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_MASK, 0x1f); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_STATUS_MASK, 0x1f); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); } int malo_attach(struct malo_softc *sc) { struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &sc->sc_if; int i; /* initialize channel scanning timer */ callout_init(&sc->sc_scan_to, 0); callout_setfunc(&sc->sc_scan_to, malo_next_scan, sc); /* allocate DMA structures */ malo_alloc_cmd(sc); malo_alloc_rx_ring(sc, &sc->sc_rxring, MALO_RX_RING_COUNT); malo_alloc_tx_ring(sc, &sc->sc_txring, MALO_TX_RING_COUNT); /* setup interface */ ifp->if_softc = sc; ifp->if_init = malo_init; ifp->if_stop = malo_stop; ifp->if_ioctl = malo_ioctl; ifp->if_start = malo_start; ifp->if_watchdog = malo_watchdog; ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST; memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); IFQ_SET_READY(&ifp->if_snd); /* set supported rates */ ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; sc->sc_last_txrate = -1; /* set channels */ for (i = 1; i <= 14; i++) { ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); ic->ic_channels[i].ic_flags = IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; } /* OpenBSD supports IEEE80211_C_RSN too */ /* set the rest */ ic->ic_ifp = ifp; ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_MONITOR | IEEE80211_C_SHPREAMBLE | IEEE80211_C_SHSLOT | IEEE80211_C_WEP | IEEE80211_C_WPA; ic->ic_opmode = IEEE80211_M_STA; ic->ic_state = IEEE80211_S_INIT; for (i = 0; i < 6; i++) ic->ic_myaddr[i] = malo_ctl_read1(sc, 0xa528 + i); /* show our mac address */ aprint_normal_dev(sc->sc_dev, "address %s\n", ether_sprintf(ic->ic_myaddr)); /* attach interface */ if_initialize(ifp); ieee80211_ifattach(ic); /* Use common softint-based if_input */ ifp->if_percpuq = if_percpuq_create(ifp); if_register(ifp); /* post attach vector functions */ sc->sc_newstate = ic->ic_newstate; ic->ic_newstate = malo_newstate; ic->ic_newassoc = malo_newassoc; ic->ic_node_alloc = malo_node_alloc; ic->ic_updateslot = malo_update_slot; ieee80211_media_init(ic, malo_media_change, malo_media_status); bpf_attach2(ifp, DLT_IEEE802_11_RADIO, sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, &sc->sc_drvbpf); sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); sc->sc_rxtap.wr_ihdr.it_present = htole32(MALO_RX_RADIOTAP_PRESENT); sc->sc_txtap_len = sizeof(sc->sc_txtapu); sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); sc->sc_txtap.wt_ihdr.it_present = htole32(MALO_TX_RADIOTAP_PRESENT); ieee80211_announce(ic); return (0); } int malo_detach(void *arg) { struct malo_softc *sc = arg; struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &sc->sc_if; malo_stop(ifp, 1); /* remove channel scanning timer */ callout_destroy(&sc->sc_scan_to); ieee80211_ifdetach(ic); if_detach(ifp); malo_free_cmd(sc); malo_free_rx_ring(sc, &sc->sc_rxring); malo_free_tx_ring(sc, &sc->sc_txring); return (0); } static int malo_alloc_cmd(struct malo_softc *sc) { int error, nsegs; error = bus_dmamap_create(sc->sc_dmat, PAGE_SIZE, 1, PAGE_SIZE, 0, BUS_DMA_ALLOCNOW, &sc->sc_cmd_dmam); if (error != 0) { aprint_error_dev(sc->sc_dev, "can not create DMA tag\n"); return (-1); } error = bus_dmamem_alloc(sc->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0, &sc->sc_cmd_dmas, 1, &nsegs, BUS_DMA_WAITOK); if (error != 0) { aprint_error_dev(sc->sc_dev, "error alloc dma memory\n"); return (-1); } error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cmd_dmas, nsegs, PAGE_SIZE, (void **)&sc->sc_cmd_mem, BUS_DMA_WAITOK); if (error != 0) { aprint_error_dev(sc->sc_dev, "error map dma memory\n"); return (-1); } error = bus_dmamap_load(sc->sc_dmat, sc->sc_cmd_dmam, sc->sc_cmd_mem, PAGE_SIZE, NULL, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "error load dma memory\n"); bus_dmamem_free(sc->sc_dmat, &sc->sc_cmd_dmas, nsegs); return (-1); } sc->sc_cookie = sc->sc_cmd_mem; *sc->sc_cookie = htole32(0xaa55aa55); sc->sc_cmd_mem = ((char*)sc->sc_cmd_mem) + sizeof(uint32_t); sc->sc_cookie_dmaaddr = sc->sc_cmd_dmam->dm_segs[0].ds_addr; sc->sc_cmd_dmaaddr = sc->sc_cmd_dmam->dm_segs[0].ds_addr + sizeof(uint32_t); return (0); } static void malo_free_cmd(struct malo_softc *sc) { bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, sc->sc_cmd_dmam); bus_dmamem_unmap(sc->sc_dmat, sc->sc_cookie, PAGE_SIZE); bus_dmamem_free(sc->sc_dmat, &sc->sc_cmd_dmas, 1); } static void malo_send_cmd(struct malo_softc *sc, bus_addr_t addr) { malo_ctl_write4(sc, MALO_REG_GEN_PTR, (uint32_t)addr); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); malo_ctl_write4(sc, MALO_REG_H2A_INTERRUPT_EVENTS, 2); /* CPU_TRANSFER_CMD */ malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); } static int malo_send_cmd_dma(struct malo_softc *sc, bus_addr_t addr) { int i; struct malo_cmdheader *hdr = sc->sc_cmd_mem; malo_send_cmd(sc, addr); for (i = 0; i < MALO_CMD_TIMEOUT; i++) { delay(100); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD); if (hdr->cmd & htole16(0x8000)) break; } if (i == MALO_CMD_TIMEOUT) { aprint_error_dev(sc->sc_dev, "timeout while waiting for cmd response!\n"); return (ETIMEDOUT); } malo_cmd_response(sc); return (0); } static int malo_alloc_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring, int count) { struct malo_rx_desc *desc; struct malo_rx_data *data; int i, nsegs, error; ring->count = count; ring->cur = ring->next = 0; error = bus_dmamap_create(sc->sc_dmat, count * sizeof(struct malo_rx_desc), 1, count * sizeof(struct malo_rx_desc), 0, BUS_DMA_NOWAIT, &ring->map); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not create desc DMA map\n"); goto fail; } error = bus_dmamem_alloc(sc->sc_dmat, count * sizeof(struct malo_rx_desc), PAGE_SIZE, 0, &ring->seg, 1, &nsegs, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not allocate DMA memory\n"); goto fail; } error = bus_dmamem_map(sc->sc_dmat, &ring->seg, nsegs, count * sizeof(struct malo_rx_desc), (void **)&ring->desc, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "can't map desc DMA memory\n"); goto fail; } error = bus_dmamap_load(sc->sc_dmat, ring->map, ring->desc, count * sizeof(struct malo_rx_desc), NULL, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not load desc DMA map\n"); goto fail; } ring->physaddr = ring->map->dm_segs->ds_addr; ring->data = malloc(count * sizeof (struct malo_rx_data), M_DEVBUF, M_WAITOK); /* * Pre-allocate Rx buffers and populate Rx ring. */ memset(ring->data, 0, count * sizeof (struct malo_rx_data)); for (i = 0; i < count; i++) { desc = &ring->desc[i]; data = &ring->data[i]; error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, MCLBYTES, 0, BUS_DMA_NOWAIT, &data->map); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not create DMA map\n"); goto fail; } MGETHDR(data->m, M_DONTWAIT, MT_DATA); if (data->m == NULL) { aprint_error_dev(sc->sc_dev, "could not allocate rx mbuf\n"); error = ENOMEM; goto fail; } MCLGET(data->m, M_DONTWAIT); if (!(data->m->m_flags & M_EXT)) { aprint_error_dev(sc->sc_dev, "could not allocate rx mbuf cluster\n"); error = ENOMEM; goto fail; } error = bus_dmamap_load(sc->sc_dmat, data->map, mtod(data->m, void *), MCLBYTES, NULL, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not load rx buf DMA map"); goto fail; } desc->status = 1; desc->physdata = htole32(data->map->dm_segs->ds_addr); desc->physnext = htole32(ring->physaddr + (i + 1) % count * sizeof(struct malo_rx_desc)); } bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, BUS_DMASYNC_PREWRITE); return (0); fail: malo_free_rx_ring(sc, ring); return (error); } static void malo_reset_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring) { int i; for (i = 0; i < ring->count; i++) ring->desc[i].status = 0; bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, BUS_DMASYNC_PREWRITE); ring->cur = ring->next = 0; } static void malo_free_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring) { struct malo_rx_data *data; int i; if (ring->desc != NULL) { bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, ring->map); bus_dmamem_unmap(sc->sc_dmat, ring->desc, ring->count * sizeof(struct malo_rx_desc)); bus_dmamem_free(sc->sc_dmat, &ring->seg, 1); } if (ring->data != NULL) { for (i = 0; i < ring->count; i++) { data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->sc_dmat, data->map); m_freem(data->m); } if (data->map != NULL) bus_dmamap_destroy(sc->sc_dmat, data->map); } free(ring->data, M_DEVBUF); } } static int malo_alloc_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring, int count) { int i, nsegs, error; ring->count = count; ring->queued = 0; ring->cur = ring->next = ring->stat = 0; error = bus_dmamap_create(sc->sc_dmat, count * sizeof(struct malo_tx_desc), 1, count * sizeof(struct malo_tx_desc), 0, BUS_DMA_NOWAIT, &ring->map); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not create desc DMA map\n"); goto fail; } error = bus_dmamem_alloc(sc->sc_dmat, count * sizeof(struct malo_tx_desc), PAGE_SIZE, 0, &ring->seg, 1, &nsegs, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not allocate DMA memory\n"); goto fail; } error = bus_dmamem_map(sc->sc_dmat, &ring->seg, nsegs, count * sizeof(struct malo_tx_desc), (void **)&ring->desc, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "can't map desc DMA memory\n"); goto fail; } error = bus_dmamap_load(sc->sc_dmat, ring->map, ring->desc, count * sizeof(struct malo_tx_desc), NULL, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not load desc DMA map\n"); goto fail; } ring->physaddr = ring->map->dm_segs->ds_addr; ring->data = malloc(count * sizeof(struct malo_tx_data), M_DEVBUF, M_WAITOK | M_ZERO); for (i = 0; i < count; i++) { error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, MALO_MAX_SCATTER, MCLBYTES, 0, BUS_DMA_NOWAIT, &ring->data[i].map); if (error != 0) { aprint_error_dev(sc->sc_dev, "could not create DMA map\n"); goto fail; } ring->desc[i].physnext = htole32(ring->physaddr + (i + 1) % count * sizeof(struct malo_tx_desc)); } return (0); fail: malo_free_tx_ring(sc, ring); return (error); } static void malo_reset_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring) { struct malo_tx_desc *desc; struct malo_tx_data *data; int i; for (i = 0; i < ring->count; i++) { desc = &ring->desc[i]; data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, data->map); m_freem(data->m); data->m = NULL; } /* * The node has already been freed at that point so don't call * ieee80211_release_node() here. */ data->ni = NULL; desc->status = 0; } bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, BUS_DMASYNC_PREWRITE); ring->queued = 0; ring->cur = ring->next = ring->stat = 0; } static void malo_free_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring) { struct malo_tx_data *data; int i; if (ring->desc != NULL) { bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, ring->map); bus_dmamem_unmap(sc->sc_dmat, ring->desc, ring->count * sizeof(struct malo_tx_desc)); bus_dmamem_free(sc->sc_dmat, &ring->seg, 1); } if (ring->data != NULL) { for (i = 0; i < ring->count; i++) { data = &ring->data[i]; if (data->m != NULL) { bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, data->map); m_freem(data->m); } /* * The node has already been freed at that point so * don't call ieee80211_release_node() here. */ data->ni = NULL; if (data->map != NULL) bus_dmamap_destroy(sc->sc_dmat, data->map); } free(ring->data, M_DEVBUF); } } int malo_init(struct ifnet *ifp) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; int error; DPRINTF(1, "%s: %s\n", ifp->if_xname, __func__); /* if interface already runs stop it first */ if (ifp->if_flags & IFF_RUNNING) malo_stop(ifp, 1); /* power on cardbus socket */ if (sc->sc_enable) sc->sc_enable(sc); /* disable interrupts */ malo_ctl_read4(sc, MALO_REG_A2H_INTERRUPT_CAUSE); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_CAUSE, 0); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_MASK, 0); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_STATUS_MASK, 0); /* load firmware */ if ((error = malo_load_bootimg(sc))) goto fail; if ((error = malo_load_firmware(sc))) goto fail; /* enable interrupts */ malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_MASK, 0x1f); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); malo_ctl_write4(sc, MALO_REG_A2H_INTERRUPT_STATUS_MASK, 0x1f); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); if ((error = malo_cmd_get_spec(sc))) goto fail; /* select default channel */ ic->ic_bss->ni_chan = ic->ic_ibss_chan; /* initialize hardware */ if ((error = malo_cmd_set_channel(sc, ic->ic_bss->ni_chan))) { aprint_error_dev(sc->sc_dev, "setting channel failed!\n"); goto fail; } if ((error = malo_cmd_set_antenna(sc, 1))) { aprint_error_dev(sc->sc_dev, "setting RX antenna failed!\n"); goto fail; } if ((error = malo_cmd_set_antenna(sc, 2))) { aprint_error_dev(sc->sc_dev, "setting TX antenna failed!\n"); goto fail; } if ((error = malo_cmd_set_radio(sc, 1, 5))) { aprint_error_dev(sc->sc_dev, "turn radio on failed!\n"); goto fail; } if ((error = malo_cmd_set_txpower(sc, 100))) { aprint_error_dev(sc->sc_dev, "setting TX power failed!\n"); goto fail; } if ((error = malo_cmd_set_rts(sc, IEEE80211_RTS_MAX))) { aprint_error_dev(sc->sc_dev, "setting RTS failed!\n"); goto fail; } ifp->if_flags |= IFF_RUNNING; if (ic->ic_opmode != IEEE80211_M_MONITOR) /* start background scanning */ ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); else /* in monitor mode change directly into run state */ ieee80211_new_state(ic, IEEE80211_S_RUN, -1); return (0); fail: /* reset adapter */ DPRINTF(1, "%s: malo_init failed, resetting card\n", device_xname(sc->sc_dev)); malo_stop(ifp, 1); return (error); } static int malo_ioctl(struct ifnet *ifp, u_long cmd, void* data) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; int s, error = 0; s = splnet(); switch (cmd) { case SIOCSIFFLAGS: if ((error = ifioctl_common(ifp, cmd, data)) != 0) break; if (ifp->if_flags & IFF_UP) { if ((ifp->if_flags & IFF_RUNNING) == 0) malo_init(ifp); } else { if (ifp->if_flags & IFF_RUNNING) malo_stop(ifp, 1); } break; case SIOCADDMULTI: case SIOCDELMULTI: if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { /* setup multicast filter, etc */ error = 0; } break; case SIOCS80211CHANNEL: /* allow fast channel switching in monitor mode */ error = ieee80211_ioctl(ic, cmd, data); if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) { if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) { ic->ic_bss->ni_chan = ic->ic_ibss_chan; malo_cmd_set_channel(sc, ic->ic_bss->ni_chan); } error = 0; } break; default: error = ieee80211_ioctl(ic, cmd, data); break; } if (error == ENETRESET) { if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) malo_init(ifp); error = 0; } splx(s); return (error); } static void malo_start(struct ifnet *ifp) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; struct mbuf *m0; struct ether_header *eh; struct ieee80211_node *ni = NULL; DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; for (;;) { IF_POLL(&ic->ic_mgtq, m0); if (m0 != NULL) { if (sc->sc_txring.queued >= MALO_TX_RING_COUNT) { ifp->if_flags |= IFF_OACTIVE; break; } IF_DEQUEUE(&ic->ic_mgtq, m0); ni = M_GETCTX(m0, struct ieee80211_node *); M_CLEARCTX(m0); bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); if (malo_tx_data(sc, m0, ni) != 0) break; } else { if (ic->ic_state != IEEE80211_S_RUN) break; IFQ_POLL(&ifp->if_snd, m0); if (m0 == NULL) break; if (sc->sc_txring.queued >= MALO_TX_RING_COUNT - 1) { ifp->if_flags |= IFF_OACTIVE; break; } if (m0->m_len < sizeof (*eh) && (m0 = m_pullup(m0, sizeof (*eh))) == NULL) { if_statinc(ifp, if_oerrors); continue; } eh = mtod(m0, struct ether_header *); ni = ieee80211_find_txnode(ic, eh->ether_dhost); if (ni == NULL) { m_freem(m0); if_statinc(ifp, if_oerrors); continue; } // XXX must I call ieee_classify at this point ? IFQ_DEQUEUE(&ifp->if_snd, m0); bpf_mtap(ifp, m0, BPF_D_OUT); m0 = ieee80211_encap(ic, m0, ni); if (m0 == NULL) continue; bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); if (malo_tx_data(sc, m0, ni) != 0) { ieee80211_free_node(ni); if_statinc(ifp, if_oerrors); break; } } } } void malo_stop(struct ifnet* ifp, int disable) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; DPRINTF(1, "%s: %s\n", ifp->if_xname, __func__); /* reset adapter */ if (ifp->if_flags & IFF_RUNNING) malo_ctl_write4(sc, MALO_REG_H2A_INTERRUPT_EVENTS, (1 << 15)); /* device is not running anymore */ ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); /* change back to initial state */ ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* reset RX / TX rings */ malo_reset_tx_ring(sc, &sc->sc_txring); malo_reset_rx_ring(sc, &sc->sc_rxring); /* set initial rate */ sc->sc_last_txrate = -1; /* power off cardbus socket */ if (sc->sc_disable) sc->sc_disable(sc); } static void malo_watchdog(struct ifnet *ifp) { } static int malo_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) { struct ifnet *ifp = ic->ic_ifp; struct malo_softc *sc = ifp->if_softc; enum ieee80211_state ostate; int rate; DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); ostate = ic->ic_state; callout_stop(&sc->sc_scan_to); switch (nstate) { case IEEE80211_S_INIT: DPRINTF(1, "%s: newstate INIT\n", device_xname(sc->sc_dev)); break; case IEEE80211_S_SCAN: DPRINTF(1, "%s: newstate SCAN\n", device_xname(sc->sc_dev)); if (ostate == IEEE80211_S_INIT) { if (malo_cmd_set_prescan(sc) != 0) { DPRINTF(1, "%s: can't set prescan\n", device_xname(sc->sc_dev)); } } else { malo_cmd_set_channel(sc, ic->ic_curchan); } callout_schedule(&sc->sc_scan_to, hz/2); break; case IEEE80211_S_AUTH: DPRINTF(1, "%s: newstate AUTH\n", device_xname(sc->sc_dev)); malo_cmd_set_postscan(sc, ic->ic_myaddr, 1); malo_cmd_set_channel(sc, ic->ic_curchan); break; case IEEE80211_S_ASSOC: DPRINTF(1, "%s: newstate ASSOC\n", device_xname(sc->sc_dev)); malo_cmd_set_channel(sc, ic->ic_curchan); if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) malo_cmd_set_radio(sc, 1, 3); /* short preamble */ else malo_cmd_set_radio(sc, 1, 1); /* long preamble */ malo_cmd_set_aid(sc, ic->ic_bss->ni_bssid, ic->ic_bss->ni_associd); if (ic->ic_fixed_rate == -1) /* automatic rate adaption */ malo_cmd_set_rate(sc, 0); else { /* fixed rate */ rate = malo_fix2rate(ic->ic_fixed_rate); malo_cmd_set_rate(sc, rate); } malo_set_slot(sc); break; case IEEE80211_S_RUN: DPRINTF(1, "%s: newstate RUN\n", device_xname(sc->sc_dev)); break; default: break; } return (sc->sc_newstate(ic, nstate, arg)); } static void malo_newassoc(struct ieee80211_node *ni, int isnew) { } static struct ieee80211_node * malo_node_alloc(struct ieee80211_node_table *nt) { struct malo_node *wn; wn = malloc(sizeof(*wn), M_DEVBUF, M_NOWAIT | M_ZERO); if (wn == NULL) return (NULL); return ((struct ieee80211_node *)wn); } static int malo_media_change(struct ifnet *ifp) { int error; DPRINTF(1, "%s: %s\n", ifp->if_xname, __func__); error = ieee80211_media_change(ifp); if (error != ENETRESET) return (error); if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) malo_init(ifp); return (0); } static void malo_media_status(struct ifnet *ifp, struct ifmediareq *imr) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; imr->ifm_status = IFM_AVALID; imr->ifm_active = IFM_IEEE80211; if (ic->ic_state == IEEE80211_S_RUN) imr->ifm_status |= IFM_ACTIVE; /* report last TX rate used by chip */ imr->ifm_active |= ieee80211_rate2media(ic, sc->sc_last_txrate, ic->ic_curmode); switch (ic->ic_opmode) { case IEEE80211_M_STA: break; case IEEE80211_M_IBSS: imr->ifm_active |= IFM_IEEE80211_ADHOC; break; case IEEE80211_M_AHDEMO: break; case IEEE80211_M_HOSTAP: break; case IEEE80211_M_MONITOR: imr->ifm_active |= IFM_IEEE80211_MONITOR; break; default: break; } switch (ic->ic_curmode) { case IEEE80211_MODE_11B: imr->ifm_active |= IFM_IEEE80211_11B; break; case IEEE80211_MODE_11G: imr->ifm_active |= IFM_IEEE80211_11G; break; } } static int malo_chip2rate(int chip_rate) { switch (chip_rate) { /* CCK rates */ case 0: return (2); case 1: return (4); case 2: return (11); case 3: return (22); /* OFDM rates */ case 4: return (0); /* reserved */ case 5: return (12); case 6: return (18); case 7: return (24); case 8: return (36); case 9: return (48); case 10: return (72); case 11: return (96); case 12: return (108); /* no rate select yet or unknown rate */ default: return (-1); } } static int malo_fix2rate(int fix_rate) { switch (fix_rate) { /* CCK rates */ case 0: return (2); case 1: return (4); case 2: return (11); case 3: return (22); /* OFDM rates */ case 4: return (12); case 5: return (18); case 6: return (24); case 7: return (36); case 8: return (48); case 9: return (72); case 10: return (96); case 11: return (108); /* unknown rate: should not happen */ default: return (0); } } static void malo_next_scan(void *arg) { struct malo_softc *sc = arg; struct ieee80211com *ic = &sc->sc_ic; int s; DPRINTF(1, "%s: %s\n", sc->sc_if.if_xname, __func__); s = splnet(); if (ic->ic_state == IEEE80211_S_SCAN) ieee80211_next_scan(ic); splx(s); } static void malo_tx_intr(struct malo_softc *sc) { struct ifnet *ifp = &sc->sc_if; struct malo_tx_desc *desc; struct malo_tx_data *data; struct malo_node *rn; int stat, s; DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); s = splnet(); stat = sc->sc_txring.stat; for (;;) { desc = &sc->sc_txring.desc[sc->sc_txring.stat]; data = &sc->sc_txring.data[sc->sc_txring.stat]; rn = (struct malo_node *)data->ni; /* check if TX descriptor is not owned by FW anymore */ if ((le32toh(desc->status) & MALO_TXD_STATUS_FW_OWNED) || !(le32toh(data->softstat) & MALO_TXD_STATUS_FAILED_AGING)) break; /* if no frame has been sent, ignore */ if (rn == NULL) goto next; /* check TX state */ switch (le32toh(desc->status) & MALO_TXD_STATUS_USED) { case MALO_TXD_STATUS_OK: DPRINTF(2, "%s: data frame was sent successfully\n", device_xname(sc->sc_dev)); if_statinc(ifp, if_opackets); break; default: DPRINTF(1, "%s: data frame sending error\n", device_xname(sc->sc_dev)); if_statinc(ifp, if_oerrors); break; } /* save last used TX rate */ sc->sc_last_txrate = malo_chip2rate(desc->datarate); /* cleanup TX data and TX descriptor */ bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, data->map); m_freem(data->m); ieee80211_free_node(data->ni); data->m = NULL; data->ni = NULL; data->softstat &= htole32(~0x80); desc->status = 0; desc->len = 0; DPRINTF(2, "%s: tx done idx=%u\n", device_xname(sc->sc_dev), sc->sc_txring.stat); sc->sc_txring.queued--; next: if (++sc->sc_txring.stat >= sc->sc_txring.count) sc->sc_txring.stat = 0; if (sc->sc_txring.stat == stat) break; } sc->sc_tx_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; malo_start(ifp); splx(s); } static int malo_tx_data(struct malo_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) { struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &sc->sc_if; struct malo_tx_desc *desc; struct malo_tx_data *data; struct ieee80211_frame *wh; struct ieee80211_key *k; struct mbuf *mnew; int error; DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); desc = &sc->sc_txring.desc[sc->sc_txring.cur]; data = &sc->sc_txring.data[sc->sc_txring.cur]; if (m0->m_len < sizeof(struct ieee80211_frame)) { m0 = m_pullup(m0, sizeof(struct ieee80211_frame)); if (m0 == NULL) { if_statinc(ifp, if_ierrors); return (ENOBUFS); } } wh = mtod(m0, struct ieee80211_frame *); if (wh->i_fc[1] & IEEE80211_FC1_WEP) { k = ieee80211_crypto_encap(ic, ni, m0); if (k == NULL) { m_freem(m0); return ENOBUFS; } /* packet header may have moved, reset our local pointer */ wh = mtod(m0, struct ieee80211_frame *); } if (sc->sc_drvbpf != NULL) { struct malo_tx_radiotap_hdr *tap = &sc->sc_txtap; tap->wt_flags = 0; tap->wt_chan_freq = htole16(ni->ni_chan->ic_freq); tap->wt_chan_flags = htole16(ni->ni_chan->ic_flags); tap->wt_rate = sc->sc_last_txrate; if (wh->i_fc[1] & IEEE80211_FC1_WEP) tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0, BPF_D_OUT); } /* * inject FW specific fields into the 802.11 frame * * 2 bytes FW len (inject) * 24 bytes 802.11 frame header * 6 bytes addr4 (inject) * n bytes 802.11 frame body * * For now copy all into a new mcluster. */ MGETHDR(mnew, M_DONTWAIT, MT_DATA); if (mnew == NULL) return (ENOBUFS); MCLGET(mnew, M_DONTWAIT); if (!(mnew->m_flags & M_EXT)) { m_free(mnew); return (ENOBUFS); } *mtod(mnew, uint16_t *) = htole16(m0->m_pkthdr.len - 24); /* FW len */ memmove(mtod(mnew, char*) + 2, wh, sizeof(*wh)); memset(mtod(mnew, char*) + 26, 0, 6); m_copydata(m0, sizeof(*wh), m0->m_pkthdr.len - sizeof(*wh), mtod(mnew, char*) + 32); mnew->m_pkthdr.len = mnew->m_len = m0->m_pkthdr.len + 8; m_freem(m0); m0 = mnew; error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m0, BUS_DMA_NOWAIT); if (error != 0) { aprint_error_dev(sc->sc_dev, "can't map mbuf (error %d)\n", error); m_freem(m0); return (error); } data->m = m0; data->ni = ni; data->softstat |= htole32(0x80); malo_tx_setup_desc(sc, desc, m0->m_pkthdr.len, 1, data->map->dm_segs, data->map->dm_nsegs); bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(sc->sc_dmat, sc->sc_txring.map, sc->sc_txring.cur * sizeof(struct malo_tx_desc), sizeof(struct malo_tx_desc), BUS_DMASYNC_PREWRITE); DPRINTF(2, "%s: sending frame, pktlen=%u, idx=%u\n", device_xname(sc->sc_dev), m0->m_pkthdr.len, sc->sc_txring.cur); sc->sc_txring.queued++; sc->sc_txring.cur = (sc->sc_txring.cur + 1) % MALO_TX_RING_COUNT; /* kick data TX */ malo_ctl_write4(sc, MALO_REG_H2A_INTERRUPT_EVENTS, 1); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE); return (0); } static void malo_tx_setup_desc(struct malo_softc *sc, struct malo_tx_desc *desc, int len, int rate, const bus_dma_segment_t *segs, int nsegs) { desc->len = htole16(segs[0].ds_len); desc->datarate = rate; /* 0 = mgmt frame, 1 = data frame */ desc->physdata = htole32(segs[0].ds_addr); desc->status = htole32(MALO_TXD_STATUS_OK | MALO_TXD_STATUS_FW_OWNED); } static void malo_rx_intr(struct malo_softc *sc) { struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &sc->sc_if; struct malo_rx_desc *desc; struct malo_rx_data *data; struct ieee80211_frame *wh; struct ieee80211_node *ni; struct mbuf *mnew, *m; uint32_t rxRdPtr, rxWrPtr; int error, i, s; rxRdPtr = malo_mem_read4(sc, sc->sc_RxPdRdPtr); rxWrPtr = malo_mem_read4(sc, sc->sc_RxPdWrPtr); for (i = 0; i < MALO_RX_RING_COUNT && rxRdPtr != rxWrPtr; i++) { desc = &sc->sc_rxring.desc[sc->sc_rxring.cur]; data = &sc->sc_rxring.data[sc->sc_rxring.cur]; bus_dmamap_sync(sc->sc_dmat, sc->sc_rxring.map, sc->sc_rxring.cur * sizeof(struct malo_rx_desc), sizeof(struct malo_rx_desc), BUS_DMASYNC_POSTREAD); DPRINTF(3, "%s: rx intr idx=%d, rxctrl=0x%02x, rssi=%d, " "status=0x%02x, channel=%d, len=%d, res1=%02x, rate=%d, " "physdata=0x%04x, physnext=0x%04x, qosctrl=%02x, res2=%d\n", device_xname(sc->sc_dev), sc->sc_rxring.cur, desc->rxctrl, desc->rssi, desc->status, desc->channel, le16toh(desc->len), desc->reserved1, desc->datarate, le32toh(desc->physdata), le32toh(desc->physnext), desc->qosctrl, desc->reserved2); if ((desc->rxctrl & 0x80) == 0) break; MGETHDR(mnew, M_DONTWAIT, MT_DATA); if (mnew == NULL) { if_statinc(ifp, if_ierrors); goto skip; } MCLGET(mnew, M_DONTWAIT); if (!(mnew->m_flags & M_EXT)) { m_freem(mnew); if_statinc(ifp, if_ierrors); goto skip; } bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->sc_dmat, data->map); error = bus_dmamap_load(sc->sc_dmat, data->map, mtod(mnew, void *), MCLBYTES, NULL, BUS_DMA_NOWAIT); if (error != 0) { m_freem(mnew); error = bus_dmamap_load(sc->sc_dmat, data->map, mtod(data->m, void *), MCLBYTES, NULL, BUS_DMA_NOWAIT); if (error != 0) { panic("%s: could not load old rx mbuf", device_xname(sc->sc_dev)); } if_statinc(ifp, if_ierrors); goto skip; } /* * New mbuf mbuf successfully loaded */ m = data->m; data->m = mnew; desc->physdata = htole32(data->map->dm_segs->ds_addr); /* finalize mbuf */ m_set_rcvif(m, ifp); m->m_pkthdr.len = m->m_len = le16toh(desc->len); /* * cut out FW specific fields from the 802.11 frame * * 2 bytes FW len (cut out) * 24 bytes 802.11 frame header * 6 bytes addr4 (cut out) * n bytes 802.11 frame data */ memmove(m->m_data +6, m->m_data, 26); m_adj(m, 8); s = splnet(); if (sc->sc_drvbpf != NULL) { struct malo_rx_radiotap_hdr *tap = &sc->sc_rxtap; tap->wr_flags = 0; tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN); } wh = mtod(m, struct ieee80211_frame *); ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); /* send the frame to the 802.11 layer */ ieee80211_input(ic, m, ni, desc->rssi, 0); /* node is no longer needed */ ieee80211_free_node(ni); splx(s); skip: desc->rxctrl = 0; rxRdPtr = le32toh(desc->physnext); bus_dmamap_sync(sc->sc_dmat, sc->sc_rxring.map, sc->sc_rxring.cur * sizeof(struct malo_rx_desc), sizeof(struct malo_rx_desc), BUS_DMASYNC_PREWRITE); sc->sc_rxring.cur = (sc->sc_rxring.cur + 1) % MALO_RX_RING_COUNT; } malo_mem_write4(sc, sc->sc_RxPdRdPtr, rxRdPtr); } static int malo_get_firmware(struct malo_softc *sc, const char *name, uint8_t** firmware_image, size_t* size) { firmware_handle_t fw; int error; /* load firmware image from disk */ if ((error = firmware_open("malo", name, &fw)) != 0) { aprint_error_dev(sc->sc_dev, "could not read firmware file\n"); return error; } *size = firmware_get_size(fw); *firmware_image = firmware_malloc(*size); if (*firmware_image == NULL) { aprint_error_dev(sc->sc_dev, "not enough memory to stock firmware\n"); error = ENOMEM; goto fail1; } if ((error = firmware_read(fw, 0, *firmware_image, *size)) != 0) { aprint_error_dev(sc->sc_dev, "can't get firmware\n"); goto fail2; } firmware_close(fw); return 0; fail2: firmware_free(*firmware_image, *size); fail1: firmware_close(fw); return error; } static int malo_load_bootimg(struct malo_softc *sc) { const char *name = "malo8335-h"; uint8_t *ucode; size_t size; int error, i; /* load boot firmware */ if ((error = malo_get_firmware(sc, name, &ucode, &size)) != 0) { aprint_error_dev(sc->sc_dev, "error %d, could not read firmware %s\n", error, name); return (EIO); } /* * It seems we are putting this code directly onto the stack of * the ARM cpu. I don't know why we need to instruct the DMA * engine to move the code. This is a big riddle without docu. */ DPRINTF(1, "%s: loading boot firmware\n", device_xname(sc->sc_dev)); malo_mem_write2(sc, 0xbef8, 0x001); malo_mem_write2(sc, 0xbefa, size); malo_mem_write4(sc, 0xbefc, 0); bus_space_write_region_1(sc->sc_mem1_bt, sc->sc_mem1_bh, 0xbf00, ucode, size); firmware_free(ucode, size); /* * we loaded the firmware into card memory now tell the CPU * to fetch the code and execute it. The memory mapped via the * first bar is internally mapped to 0xc0000000. */ malo_send_cmd(sc, 0xc000bef8); /* wait for the device to go into FW loading mode */ for (i = 0; i < 10; i++) { delay(50); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_READ); if (malo_ctl_read4(sc, 0x0c14) == 0x5) break; } if (i == 10) { aprint_error_dev(sc->sc_dev, "timeout at boot firmware load!\n"); return (ETIMEDOUT); } /* tell the card we're done and... */ malo_mem_write2(sc, 0xbef8, 0x001); malo_mem_write2(sc, 0xbefa, 0); malo_mem_write4(sc, 0xbefc, 0); malo_send_cmd(sc, 0xc000bef8); DPRINTF(1, "%s: boot firmware loaded\n", device_xname(sc->sc_dev)); return (0); } static int malo_load_firmware(struct malo_softc *sc) { struct malo_cmdheader *hdr; const char *name = "malo8335-m"; void *data; uint8_t *ucode; size_t size, count, bsize; int i, sn, error; /* load real firmware now */ if ((error = malo_get_firmware(sc, name, &ucode, &size)) != 0) { aprint_error_dev(sc->sc_dev, "error %d, could not read firmware %s\n", error, name); return (EIO); } DPRINTF(1, "%s: uploading firmware\n", device_xname(sc->sc_dev)); hdr = sc->sc_cmd_mem; data = hdr + 1; sn = 1; for (count = 0; count < size; count += bsize) { bsize = MIN(256, size - count); hdr->cmd = htole16(0x0001); hdr->size = htole16(bsize); hdr->seqnum = htole16(sn++); hdr->result = 0; memcpy(data, ucode + count, bsize); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE); malo_send_cmd(sc, sc->sc_cmd_dmaaddr); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_POSTWRITE); delay(500); } firmware_free(ucode, size); DPRINTF(1, "%s: firmware upload finished\n", device_xname(sc->sc_dev)); /* * send a command with size 0 to tell that the firmware has been * uploaded */ hdr->cmd = htole16(0x0001); hdr->size = 0; hdr->seqnum = htole16(sn++); hdr->result = 0; bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE); malo_send_cmd(sc, sc->sc_cmd_dmaaddr); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_POSTWRITE); delay(100); DPRINTF(1, "%s: loading firmware\n", device_xname(sc->sc_dev)); /* wait until firmware has been loaded */ for (i = 0; i < 200; i++) { malo_ctl_write4(sc, 0x0c10, 0x5a); delay(500); malo_ctl_barrier(sc, BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ); if (malo_ctl_read4(sc, 0x0c14) == 0xf0f1f2f4) break; } if (i == 200) { aprint_error_dev(sc->sc_dev, "timeout at firmware load!\n"); return (ETIMEDOUT); } DPRINTF(1, "%s: firmware loaded\n", device_xname(sc->sc_dev)); return (0); } static int malo_set_slot(struct malo_softc *sc) { struct ieee80211com *ic = &sc->sc_ic; if (ic->ic_flags & IEEE80211_F_SHSLOT) { /* set short slot */ if (malo_cmd_set_slot(sc, 1)) { aprint_error_dev(sc->sc_dev, "setting short slot failed\n"); return (ENXIO); } } else { /* set long slot */ if (malo_cmd_set_slot(sc, 0)) { aprint_error_dev(sc->sc_dev, "setting long slot failed\n"); return (ENXIO); } } return (0); } static void malo_update_slot(struct ifnet* ifp) { struct malo_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; malo_set_slot(sc); if (ic->ic_opmode == IEEE80211_M_HOSTAP) { /* TODO */ } } #ifdef MALO_DEBUG static void malo_hexdump(void *buf, int len) { u_char b[16]; int i, j, l; for (i = 0; i < len; i += l) { printf("%4i:", i); l = uimin(sizeof(b), len - i); memcpy(b, (char*)buf + i, l); for (j = 0; j < sizeof(b); j++) { if (j % 2 == 0) printf(" "); if (j % 8 == 0) printf(" "); if (j < l) printf("%02x", (int)b[j]); else printf(" "); } printf(" |"); for (j = 0; j < l; j++) { if (b[j] >= 0x20 && b[j] <= 0x7e) printf("%c", b[j]); else printf("."); } printf("|\n"); } } #endif static const char * malo_cmd_string(uint16_t cmd) { int i; static char cmd_buf[16]; static const struct { uint16_t cmd_code; const char *cmd_string; } cmds[] = { { MALO_CMD_GET_HW_SPEC, "GetHwSpecifications" }, { MALO_CMD_SET_RADIO, "SetRadio" }, { MALO_CMD_SET_AID, "SetAid" }, { MALO_CMD_SET_TXPOWER, "SetTxPower" }, { MALO_CMD_SET_ANTENNA, "SetAntenna" }, { MALO_CMD_SET_PRESCAN, "SetPrescan" }, { MALO_CMD_SET_POSTSCAN, "SetPostscan" }, { MALO_CMD_SET_RATE, "SetRate" }, { MALO_CMD_SET_CHANNEL, "SetChannel" }, { MALO_CMD_SET_RTS, "SetRTS" }, { MALO_CMD_SET_SLOT, "SetSlot" }, }; for (i = 0; i < sizeof(cmds) / sizeof(cmds[0]); i++) if ((le16toh(cmd) & 0x7fff) == cmds[i].cmd_code) return (cmds[i].cmd_string); snprintf(cmd_buf, sizeof(cmd_buf), "unknown %#x", cmd); return (cmd_buf); } static const char * malo_cmd_string_result(uint16_t result) { int i; static const struct { uint16_t result_code; const char *result_string; } results[] = { { MALO_CMD_RESULT_OK, "OK" }, { MALO_CMD_RESULT_ERROR, "general error" }, { MALO_CMD_RESULT_NOSUPPORT, "not supported" }, { MALO_CMD_RESULT_PENDING, "pending" }, { MALO_CMD_RESULT_BUSY, "ignored" }, { MALO_CMD_RESULT_PARTIALDATA, "incomplete" }, }; for (i = 0; i < sizeof(results) / sizeof(results[0]); i++) if (le16toh(result) == results[i].result_code) return (results[i].result_string); return ("unknown"); } static int malo_cmd_get_spec(struct malo_softc *sc) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_hw_spec *spec; hdr->cmd = htole16(MALO_CMD_GET_HW_SPEC); hdr->size = htole16(sizeof(*hdr) + sizeof(*spec)); hdr->seqnum = htole16(42); /* the one and only */ hdr->result = 0; spec = (struct malo_hw_spec *)(hdr + 1); memset(spec, 0, sizeof(*spec)); memset(spec->PermanentAddress, 0xff, ETHER_ADDR_LEN); spec->CookiePtr = htole32(sc->sc_cookie_dmaaddr); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); if (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr) != 0) return (ETIMEDOUT); /* get the data from the buffer */ DPRINTF(1, "%s: get_hw_spec: V%x R%x, #WCB %d, #Mcast %d, Regcode %d, " "#Ant %d\n", device_xname(sc->sc_dev), htole16(spec->HwVersion), htole32(spec->FWReleaseNumber), htole16(spec->NumOfWCB), htole16(spec->NumOfMCastAdr), htole16(spec->RegionCode), htole16(spec->NumberOfAntenna)); /* tell the DMA engine where our rings are */ malo_mem_write4(sc, le32toh(spec->RxPdRdPtr) & 0xffff, sc->sc_rxring.physaddr); malo_mem_write4(sc, le32toh(spec->RxPdWrPtr) & 0xffff, sc->sc_rxring.physaddr); malo_mem_write4(sc, le32toh(spec->WcbBase0) & 0xffff, sc->sc_txring.physaddr); /* save DMA RX pointers for later use */ sc->sc_RxPdRdPtr = le32toh(spec->RxPdRdPtr) & 0xffff; sc->sc_RxPdWrPtr = le32toh(spec->RxPdWrPtr) & 0xffff; return (0); } static int malo_cmd_set_prescan(struct malo_softc *sc) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; hdr->cmd = htole16(MALO_CMD_SET_PRESCAN); hdr->size = htole16(sizeof(*hdr)); hdr->seqnum = 1; hdr->result = 0; bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_postscan(struct malo_softc *sc, uint8_t *macaddr, uint8_t ibsson) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_postscan *body; hdr->cmd = htole16(MALO_CMD_SET_POSTSCAN); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_postscan *)(hdr + 1); memset(body, 0, sizeof(*body)); memcpy(&body->bssid, macaddr, ETHER_ADDR_LEN); body->isibss = htole32(ibsson); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_channel(struct malo_softc *sc, struct ieee80211_channel* chan) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct ieee80211com *ic = &sc->sc_ic; struct malo_cmd_channel *body; uint8_t channel; channel = ieee80211_chan2ieee(ic, chan); hdr->cmd = htole16(MALO_CMD_SET_CHANNEL); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_channel *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(1); body->channel = channel; bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_antenna(struct malo_softc *sc, uint16_t antenna) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_antenna *body; hdr->cmd = htole16(MALO_CMD_SET_ANTENNA); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_antenna *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(antenna); if (antenna == 1) body->mode = htole16(0xffff); else body->mode = htole16(2); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_radio(struct malo_softc *sc, uint16_t enable, uint16_t preamble_mode) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_radio *body; hdr->cmd = htole16(MALO_CMD_SET_RADIO); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_radio *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(1); body->preamble_mode = htole16(preamble_mode); body->enable = htole16(enable); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_aid(struct malo_softc *sc, uint8_t *bssid, uint16_t associd) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_aid *body; hdr->cmd = htole16(MALO_CMD_SET_AID); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_aid *)(hdr + 1); memset(body, 0, sizeof(*body)); body->associd = htole16(associd); memcpy(&body->macaddr[0], bssid, IEEE80211_ADDR_LEN); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_txpower(struct malo_softc *sc, unsigned int powerlevel) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_txpower *body; hdr->cmd = htole16(MALO_CMD_SET_TXPOWER); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_txpower *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(1); if (powerlevel < 30) body->supportpowerlvl = htole16(5); /* LOW */ else if (powerlevel < 60) body->supportpowerlvl = htole16(10); /* MEDIUM */ else body->supportpowerlvl = htole16(15); /* HIGH */ bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_rts(struct malo_softc *sc, uint32_t threshold) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_rts *body; hdr->cmd = htole16(MALO_CMD_SET_RTS); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_rts *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(1); body->threshold = htole32(threshold); bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_slot(struct malo_softc *sc, uint8_t slot) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_slot *body; hdr->cmd = htole16(MALO_CMD_SET_SLOT); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_slot *)(hdr + 1); memset(body, 0, sizeof(*body)); body->action = htole16(1); body->slot = slot; bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static int malo_cmd_set_rate(struct malo_softc *sc, uint8_t rate) { struct ieee80211com *ic = &sc->sc_ic; struct malo_cmdheader *hdr = sc->sc_cmd_mem; struct malo_cmd_rate *body; int i; hdr->cmd = htole16(MALO_CMD_SET_RATE); hdr->size = htole16(sizeof(*hdr) + sizeof(*body)); hdr->seqnum = 1; hdr->result = 0; body = (struct malo_cmd_rate *)(hdr + 1); memset(body, 0,sizeof(*body)); if (ic->ic_opmode == IEEE80211_M_HOSTAP) { /* TODO */ } else { body->aprates[0] = 2; body->aprates[1] = 4; body->aprates[2] = 11; body->aprates[3] = 22; if (ic->ic_curmode == IEEE80211_MODE_11G) { body->aprates[4] = 0; body->aprates[5] = 12; body->aprates[6] = 18; body->aprates[7] = 24; body->aprates[8] = 36; body->aprates[9] = 48; body->aprates[10] = 72; body->aprates[11] = 96; body->aprates[12] = 108; } } if (rate != 0) { /* fixed rate */ for (i = 0; i < 13; i++) { if (body->aprates[i] == rate) { body->rateindex = i; body->dataratetype = 1; break; } } } bus_dmamap_sync(sc->sc_dmat, sc->sc_cmd_dmam, 0, PAGE_SIZE, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (malo_send_cmd_dma(sc, sc->sc_cmd_dmaaddr)); } static void malo_cmd_response(struct malo_softc *sc) { struct malo_cmdheader *hdr = sc->sc_cmd_mem; if (le16toh(hdr->result) != MALO_CMD_RESULT_OK) { aprint_error_dev(sc->sc_dev, "firmware cmd %s failed with %s\n", malo_cmd_string(hdr->cmd), malo_cmd_string_result(hdr->result)); } #ifdef MALO_DEBUG aprint_error_dev(sc->sc_dev, "cmd answer for %s=%s\n", malo_cmd_string(hdr->cmd), malo_cmd_string_result(hdr->result)); if (malo_d > 2) malo_hexdump(hdr, le16toh(hdr->size)); #endif }