static void cdce_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) { int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("Transferred %d bytes\n", actlen); /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: #if 0 usbd_xfer_set_frame_len(xfer, 0, XXX); usbd_transfer_submit(xfer); #endif break; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* start clear stall */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } break; break; default: UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) break; usbd_xfer_set_stall(xfer); goto tr_setup; } }
static void usie_if_init(void *arg) { struct usie_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; uint8_t i; mtx_lock(&sc->sc_mtx); /* write tx descriptor */ sc->sc_txd.hip.id = USIE_HIP_CTX; sc->sc_txd.hip.param = 0; /* init value */ sc->sc_txd.desc_type = htobe16(USIE_IP_TX); for (i = 0; i != USIE_IF_N_XFER; i++) usbd_xfer_set_stall(sc->sc_if_xfer[i]); usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); /* if not running, initiate the modem */ if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); mtx_unlock(&sc->sc_mtx); DPRINTF("ifnet initialized\n"); }
static void g_modem_intr_callback(struct usb_xfer *xfer, usb_error_t error) { int actlen; int aframes; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); DPRINTF("st=%d aframes=%d actlen=%d bytes\n", USB_GET_STATE(xfer), aframes, actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: break; case USB_ST_SETUP: tr_setup: break; default: /* Error */ DPRINTF("error=%s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void cdce_init(struct usb_ether *ue) { struct cdce_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); CDCE_LOCK_ASSERT(sc, MA_OWNED); ifp->if_drv_flags |= IFF_DRV_RUNNING; /* start interrupt transfer */ usbd_transfer_start(sc->sc_xfer[CDCE_INTR_RX]); usbd_transfer_start(sc->sc_xfer[CDCE_INTR_TX]); /* * Stall data write direction, which depends on USB mode. * * Some USB host stacks (e.g. Mac OS X) don't clears stall * bit as it should, so set it in our host mode only. */ if (usbd_get_mode(sc->sc_ue.ue_udev) == USB_MODE_HOST) usbd_xfer_set_stall(sc->sc_xfer[CDCE_BULK_TX]); /* start data transfers */ cdce_start(ue); }
static void cdce_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) { int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("Received %d bytes\n", actlen); /* TODO: decode some indications */ /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* start clear stall */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; struct usb_device_request req; struct uhso_tty *ht; int actlen, len; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); ht = usbd_xfer_get_priv(xfer); UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: /* Got data, send to ucom */ pc = usbd_xfer_get_frame(xfer, 1); len = usbd_xfer_frame_len(xfer, 1); UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len, ht->ht_muxport); if (len <= 0) { usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); break; } /* Deliver data if the TTY is open, discard otherwise */ if (ht->ht_open) ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len); /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: memset(&req, 0, sizeof(struct usb_device_request)); req.bmRequestType = UT_READ_CLASS_INTERFACE; req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; USETW(req.wValue, 0); USETW(req.wIndex, ht->ht_muxport); USETW(req.wLength, 1024); pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_in(pc, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frame_len(xfer, 1, 1024); usbd_xfer_set_frames(xfer, 2); usbd_transfer_submit(xfer); break; default: UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) break; usbd_xfer_set_stall(xfer); goto tr_setup; } }
static void usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_page_cache *pc; struct { struct usb_device_request req; uint16_t param; } st; uint32_t actlen; uint16_t param; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(4, "info received, actlen=%u\n", actlen); if (actlen < sizeof(st)) { DPRINTF("data too short actlen=%u\n", actlen); goto tr_setup; } pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, &st, sizeof(st)); if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { struct ucom_softc *ucom = usbd_xfer_softc(xfer); struct usie_softc *sc = ucom->sc_parent; param = le16toh(st.param); DPRINTF("param=%x\n", param); sc->sc_msr = sc->sc_lsr = 0; sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; } /* fall though */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: /* Error */ DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void cdce_ncm_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct cdce_softc *sc = usbd_xfer_softc(xfer); struct ifnet *ifp = uether_getifp(&sc->sc_ue); uint16_t x; uint8_t temp; int actlen; int aframes; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); DPRINTFN(10, "transfer complete: " "%u bytes in %u frames\n", actlen, aframes); case USB_ST_SETUP: for (x = 0; x != CDCE_NCM_TX_FRAMES_MAX; x++) { temp = cdce_ncm_fill_tx_frames(xfer, x); if (temp == 0) break; if (temp == 1) { x++; break; } } if (x != 0) { #ifdef USB_DEBUG usbd_xfer_set_interval(xfer, cdce_tx_interval); #endif usbd_xfer_set_frames(xfer, x); usbd_transfer_submit(xfer); } break; default: /* Error */ DPRINTFN(10, "Transfer error: %s\n", usbd_errstr(error)); /* update error counter */ if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); if (error != USB_ERR_CANCELLED) { if (usbd_get_mode(sc->sc_ue.ue_udev) == USB_MODE_HOST) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); usbd_xfer_set_frames(xfer, 0); usbd_transfer_submit(xfer); } } break; } }
static void usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) { struct ucom_softc *ucom = usbd_xfer_softc(xfer); struct usie_softc *sc = ucom->sc_parent; struct usb_page_cache *pc; uint32_t actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pc = usbd_xfer_get_frame(xfer, 0); /* handle CnS response */ if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { DPRINTF("transferred=%u\n", actlen); /* check if it is really CnS reply */ usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { /* verify actlen */ if (actlen > USIE_BUFSIZE) actlen = USIE_BUFSIZE; /* get complete message */ usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); usie_hip_rsp(sc, sc->sc_resp_temp, actlen); /* need to fall though */ goto tr_setup; } /* else call ucom_put_data() */ } /* standard ucom transfer */ ucom_put_data(ucom, pc, 0, actlen); /* fall though */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: /* Error */ if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; struct usb_cdc_notification cdc; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: if (actlen < UCDC_NOTIFICATION_LENGTH) { UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); goto tr_setup; } else if (actlen > (int)sizeof(struct usb_cdc_notification)) { UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); actlen = sizeof(struct usb_cdc_notification); } pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, &cdc, actlen); if (UGETW(cdc.wIndex) != sc->sc_iface_no) { UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", UGETW(cdc.wIndex), sc->sc_iface_no); goto tr_setup; } if (cdc.bmRequestType == UCDC_NOTIFICATION && cdc.bNotification == UCDC_N_SERIAL_STATE) { UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); sc->sc_msr = 0; sc->sc_lsr = 0; if (cdc.data[0] & UCDC_N_SERIAL_RI) sc->sc_msr |= SER_RI; if (cdc.data[0] & UCDC_N_SERIAL_DSR) sc->sc_msr |= SER_DSR; if (cdc.data[0] & UCDC_N_SERIAL_DCD) sc->sc_msr |= SER_DCD; ucom_status_change(&sc->sc_ucom[0]); } case USB_ST_SETUP: tr_setup: default: if (error == USB_ERR_CANCELLED) break; usbd_xfer_set_stall(xfer); goto tr_setup; } }
/*------------------------------------------------------------------------* * usb_handle_request_callback * * This function is the USB callback for generic USB Device control * transfers. *------------------------------------------------------------------------*/ void usb_handle_request_callback(struct usb_xfer *xfer, usb_error_t error) { usb_error_t err; /* check the current transfer state */ switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: /* handle the request */ err = usb_handle_request(xfer); if (err) { if (err == USB_ERR_BAD_CONTEXT) { /* we need to re-setup the control transfer */ usb_needs_explore(xfer->xroot->bus, 0); break; } goto tr_restart; } usbd_transfer_submit(xfer); break; default: /* check if a control transfer is active */ if (xfer->flags_int.control_rem != 0xFFFF) { /* handle the request */ err = usb_handle_request(xfer); } if (xfer->error != USB_ERR_CANCELLED) { /* should not happen - try stalling */ goto tr_restart; } break; } return; tr_restart: /* * If a control transfer is active, stall it, and wait for the * next control transfer. */ usbd_xfer_set_frame_len(xfer, 0, sizeof(struct usb_device_request)); xfer->nframes = 1; xfer->flags.manual_status = 1; xfer->flags.force_short_xfer = 0; usbd_xfer_set_stall(xfer); /* cancel previous transfer, if any */ usbd_transfer_submit(xfer); }
/* * Interrupt callback for the multiplexed serial port. Indicates * which serial port has data waiting. */ static void uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_page_cache *pc; struct usb_page_search res; struct uhso_softc *sc = usbd_xfer_softc(xfer); unsigned int i, mux; UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: /* * The multiplexed port number can be found at the first byte. * It contains a bit mask, we transform this in to an integer. */ pc = usbd_xfer_get_frame(xfer, 0); usbd_get_page(pc, 0, &res); i = *((unsigned char *)res.buffer); mux = 0; while (i >>= 1) { mux++; } UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i); if (mux > UHSO_MPORT_TYPE_NOMAX) break; /* Issue a read for this serial port */ usbd_xfer_set_priv( sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ], &sc->sc_tty[mux]); usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]); break; case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) break; usbd_xfer_set_stall(xfer); goto tr_setup; } }
static void ipheth_init(struct usb_ether *ue) { struct ipheth_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); IPHETH_LOCK_ASSERT(sc, MA_OWNED); ifp->if_drv_flags |= IFF_DRV_RUNNING; /* stall data write direction, which depends on USB mode */ usbd_xfer_set_stall(sc->sc_xfer[IPHETH_BULK_TX]); /* start data transfers */ ipheth_start(ue); }
static void usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) { struct usie_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; struct usb_cdc_notification cdc; uint32_t actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(4, "info received, actlen=%d\n", actlen); /* usb_cdc_notification - .data[16] */ if (actlen < (sizeof(cdc) - 16)) { DPRINTF("data too short %d\n", actlen); goto tr_setup; } pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { taskqueue_enqueue(taskqueue_thread, &sc->sc_if_status_task); } /* fall though */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: /* Error */ DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void g_modem_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct g_modem_softc *sc = usbd_xfer_softc(xfer); int actlen; int aframes; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); DPRINTF("st=%d aframes=%d actlen=%d bytes\n", USB_GET_STATE(xfer), aframes, actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: sc->sc_throughput += actlen; if (sc->sc_mode == G_MODEM_MODE_LOOP) { sc->sc_tx_busy = 1; sc->sc_data_len = actlen; usbd_transfer_start(sc->sc_xfer[G_MODEM_BULK_WR]); break; } case USB_ST_SETUP: tr_setup: if ((sc->sc_mode == G_MODEM_MODE_SILENT) || (sc->sc_tx_busy != 0)) break; usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, G_MODEM_BUFSIZE); usbd_xfer_set_frames(xfer, 1); usbd_transfer_submit(xfer); break; default: /* Error */ DPRINTF("error=%s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void cdce_init(struct usb_ether *ue) { struct cdce_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); CDCE_LOCK_ASSERT(sc, MA_OWNED); ifp->if_drv_flags |= IFF_DRV_RUNNING; /* start interrupt transfer */ usbd_transfer_start(sc->sc_xfer[CDCE_INTR_RX]); usbd_transfer_start(sc->sc_xfer[CDCE_INTR_TX]); /* stall data write direction, which depends on USB mode */ usbd_xfer_set_stall(sc->sc_xfer[CDCE_BULK_TX]); /* start data transfers */ cdce_start(ue); }
static void usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) { struct ucom_softc *ucom = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); /* handle CnS request */ struct mbuf *m = usbd_xfer_get_priv(xfer); if (m != NULL) { usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); usbd_xfer_set_priv(xfer, NULL); usbd_transfer_submit(xfer); m_freem(m); break; } /* standard ucom transfer */ if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } break; default: /* Error */ if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct mbuf *m; struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { pc = usbd_xfer_get_frame(xfer, 0); m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); m->m_pkthdr.len = m->m_len = actlen; /* Enqueue frame for further processing */ _IF_ENQUEUE(&sc->sc_rxq, m); if (!callout_pending(&sc->sc_c) || !callout_active(&sc->sc_c)) { callout_schedule(&sc->sc_c, 1); } } /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); break; default: UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) break; usbd_xfer_set_stall(xfer); goto tr_setup; }
static int ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) { struct usb_device_request *req; struct usb_xfer *xfer; struct usb_fs_endpoint fs_ep; void *uaddr; /* userland pointer */ void *kaddr; usb_frlength_t offset; usb_frlength_t rem; usb_frcount_t n; uint32_t length; int error; uint8_t isread; if (ep_index >= f->fs_ep_max) { return (EINVAL); } xfer = f->fs_xfer[ep_index]; if (xfer == NULL) { return (EINVAL); } mtx_lock(f->priv_mtx); if (usbd_transfer_pending(xfer)) { mtx_unlock(f->priv_mtx); return (EBUSY); /* should not happen */ } mtx_unlock(f->priv_mtx); error = copyin(f->fs_ep_ptr + ep_index, &fs_ep, sizeof(fs_ep)); if (error) { return (error); } /* security checks */ if (fs_ep.nFrames > xfer->max_frame_count) { xfer->error = USB_ERR_INVAL; goto complete; } if (fs_ep.nFrames == 0) { xfer->error = USB_ERR_INVAL; goto complete; } error = copyin(fs_ep.ppBuffer, &uaddr, sizeof(uaddr)); if (error) { return (error); } /* reset first frame */ usbd_xfer_set_frame_offset(xfer, 0, 0); if (xfer->flags_int.control_xfr) { req = xfer->frbuffers[0].buffer; error = copyin(fs_ep.pLength, &length, sizeof(length)); if (error) { return (error); } if (length != sizeof(*req)) { xfer->error = USB_ERR_INVAL; goto complete; } if (length != 0) { error = copyin(uaddr, req, length); if (error) { return (error); } } if (ugen_check_request(f->udev, req)) { xfer->error = USB_ERR_INVAL; goto complete; } usbd_xfer_set_frame_len(xfer, 0, length); /* Host mode only ! */ if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { isread = 1; } else { isread = 0; } n = 1; offset = sizeof(*req); } else { /* Device and Host mode */ if (USB_GET_DATA_ISREAD(xfer)) { isread = 1; } else { isread = 0; } n = 0; offset = 0; } rem = usbd_xfer_max_len(xfer); xfer->nframes = fs_ep.nFrames; xfer->timeout = fs_ep.timeout; if (xfer->timeout > 65535) { xfer->timeout = 65535; } if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) xfer->flags.short_xfer_ok = 1; else xfer->flags.short_xfer_ok = 0; if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) xfer->flags.short_frames_ok = 1; else xfer->flags.short_frames_ok = 0; if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) xfer->flags.force_short_xfer = 1; else xfer->flags.force_short_xfer = 0; if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) usbd_xfer_set_stall(xfer); else xfer->flags.stall_pipe = 0; for (; n != xfer->nframes; n++) { error = copyin(fs_ep.pLength + n, &length, sizeof(length)); if (error) { break; } usbd_xfer_set_frame_len(xfer, n, length); if (length > rem) { xfer->error = USB_ERR_INVAL; goto complete; } rem -= length; if (!isread) { /* we need to know the source buffer */ error = copyin(fs_ep.ppBuffer + n, &uaddr, sizeof(uaddr)); if (error) { break; } if (xfer->flags_int.isochronous_xfr) { /* get kernel buffer address */ kaddr = xfer->frbuffers[0].buffer; kaddr = USB_ADD_BYTES(kaddr, offset); } else { /* set current frame offset */ usbd_xfer_set_frame_offset(xfer, offset, n); /* get kernel buffer address */ kaddr = xfer->frbuffers[n].buffer; } /* move data */ error = copyin(uaddr, kaddr, length); if (error) { break; } } offset += length; } return (error); complete: mtx_lock(f->priv_mtx); ugen_fs_set_complete(f, ep_index); mtx_unlock(f->priv_mtx); return (0); }
static void ipheth_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct ipheth_softc *sc = usbd_xfer_softc(xfer); struct mbuf *m; uint8_t x; int actlen; int aframes; int len; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("received %u bytes in %u frames\n", actlen, aframes); for (x = 0; x != aframes; x++) { m = sc->sc_rx_buf[x]; sc->sc_rx_buf[x] = NULL; len = usbd_xfer_frame_len(xfer, x); if (len < (sizeof(struct ether_header) + IPHETH_RX_ADJ)) { m_freem(m); continue; } m_adj(m, IPHETH_RX_ADJ); /* queue up mbuf */ uether_rxmbuf(&sc->sc_ue, m, len - IPHETH_RX_ADJ); } /* FALLTHROUGH */ case USB_ST_SETUP: for (x = 0; x != IPHETH_RX_FRAMES_MAX; x++) { if (sc->sc_rx_buf[x] == NULL) { m = uether_newbuf(); if (m == NULL) goto tr_stall; /* cancel alignment for ethernet */ m_adj(m, ETHER_ALIGN); sc->sc_rx_buf[x] = m; } else { m = sc->sc_rx_buf[x]; } usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len); } /* set number of frames and start hardware */ usbd_xfer_set_frames(xfer, x); usbd_transfer_submit(xfer); /* flush any received frames */ uether_rxflush(&sc->sc_ue); break; default: /* Error */ DPRINTF("error = %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { tr_stall: /* try to clear stall first */ usbd_xfer_set_stall(xfer); usbd_xfer_set_frames(xfer, 0); usbd_transfer_submit(xfer); break; } /* need to free the RX-mbufs when we are cancelled */ ipheth_free_queue(sc->sc_rx_buf, IPHETH_RX_FRAMES_MAX); break; } }
static void usbd_ctrl_callback(struct usb_xfer *xfer, usb_error_t error) { irp *ip; struct ndis_softc *sc = usbd_xfer_softc(xfer); struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer); struct ndisusb_xfer *nx; uint8_t irql; union usbd_urb *urb; struct usbd_urb_vendor_or_class_request *vcreq; struct usb_page_cache *pc; uint8_t type = 0; struct usb_device_request req; int len; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: nx = usbd_aq_getfirst(sc, ne); if (nx == NULL) return; ip = nx->nx_priv; urb = usbd_geturb(ip); vcreq = &urb->uu_vcreq; if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) { pc = usbd_xfer_get_frame(xfer, 1); len = usbd_xfer_frame_len(xfer, 1); usbd_copy_out(pc, 0, vcreq->uvc_trans_buf, len); nx->nx_urbactlen += len; } usbd_xfer_complete(sc, ne, nx, USB_ERR_NORMAL_COMPLETION); /* fall through */ case USB_ST_SETUP: next: /* get next transfer */ KeAcquireSpinLock(&ne->ne_lock, &irql); if (IsListEmpty(&ne->ne_pending)) { KeReleaseSpinLock(&ne->ne_lock, irql); return; } nx = CONTAINING_RECORD(ne->ne_pending.nle_flink, struct ndisusb_xfer, nx_next); RemoveEntryList(&nx->nx_next); /* add a entry to the active queue's tail. */ InsertTailList((&ne->ne_active), (&nx->nx_next)); KeReleaseSpinLock(&ne->ne_lock, irql); ip = nx->nx_priv; urb = usbd_geturb(ip); vcreq = &urb->uu_vcreq; switch (urb->uu_hdr.uuh_func) { case URB_FUNCTION_CLASS_DEVICE: type = UT_CLASS | UT_DEVICE; break; case URB_FUNCTION_CLASS_INTERFACE: type = UT_CLASS | UT_INTERFACE; break; case URB_FUNCTION_CLASS_OTHER: type = UT_CLASS | UT_OTHER; break; case URB_FUNCTION_CLASS_ENDPOINT: type = UT_CLASS | UT_ENDPOINT; break; case URB_FUNCTION_VENDOR_DEVICE: type = UT_VENDOR | UT_DEVICE; break; case URB_FUNCTION_VENDOR_INTERFACE: type = UT_VENDOR | UT_INTERFACE; break; case URB_FUNCTION_VENDOR_OTHER: type = UT_VENDOR | UT_OTHER; break; case URB_FUNCTION_VENDOR_ENDPOINT: type = UT_VENDOR | UT_ENDPOINT; break; default: /* never reached. */ break; } type |= (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) ? UT_READ : UT_WRITE; type |= vcreq->uvc_reserved1; req.bmRequestType = type; req.bRequest = vcreq->uvc_req; USETW(req.wIndex, vcreq->uvc_idx); USETW(req.wValue, vcreq->uvc_value); USETW(req.wLength, vcreq->uvc_trans_buflen); nx->nx_urbbuf = vcreq->uvc_trans_buf; nx->nx_urblen = vcreq->uvc_trans_buflen; nx->nx_urbactlen = 0; pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_in(pc, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frames(xfer, 1); if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) { if (vcreq->uvc_trans_buflen >= USBD_CTRL_READ_BUFFER_SP) device_printf(sc->ndis_dev, "warning: not enough buffer space (%d).\n", vcreq->uvc_trans_buflen); usbd_xfer_set_frame_len(xfer, 1, MIN(usbd_xfer_max_len(xfer), vcreq->uvc_trans_buflen)); usbd_xfer_set_frames(xfer, 2); } else { if (nx->nx_urblen > USBD_CTRL_WRITE_BUFFER_SP) device_printf(sc->ndis_dev, "warning: not enough write buffer space" " (%d).\n", nx->nx_urblen); /* * XXX with my local tests there was no cases to require * a extra buffer until now but it'd need to update in * the future if it needs to be. */ if (nx->nx_urblen > 0) { pc = usbd_xfer_get_frame(xfer, 1); usbd_copy_in(pc, 0, nx->nx_urbbuf, nx->nx_urblen); usbd_xfer_set_frame_len(xfer, 1, nx->nx_urblen); usbd_xfer_set_frames(xfer, 2); } } usbd_transfer_submit(xfer); break; default: nx = usbd_aq_getfirst(sc, ne); if (nx == NULL) return; if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); device_printf(sc->ndis_dev, "usb xfer warning (%s)\n", usbd_errstr(error)); } usbd_xfer_complete(sc, ne, nx, error); if (error != USB_ERR_CANCELLED) goto next; break; } }
static void usbd_non_isoc_callback(struct usb_xfer *xfer, usb_error_t error) { irp *ip; struct ndis_softc *sc = usbd_xfer_softc(xfer); struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer); struct ndisusb_xfer *nx; struct usbd_urb_bulk_or_intr_transfer *ubi; struct usb_page_cache *pc; uint8_t irql; uint32_t len; union usbd_urb *urb; usb_endpoint_descriptor_t *ep; int actlen, sumlen; usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: nx = usbd_aq_getfirst(sc, ne); pc = usbd_xfer_get_frame(xfer, 0); if (nx == NULL) return; /* copy in data with regard to the URB */ if (ne->ne_dirin != 0) usbd_copy_out(pc, 0, nx->nx_urbbuf, actlen); nx->nx_urbbuf += actlen; nx->nx_urbactlen += actlen; nx->nx_urblen -= actlen; /* check for short transfer */ if (actlen < sumlen) nx->nx_urblen = 0; else { /* check remainder */ if (nx->nx_urblen > 0) { KeAcquireSpinLock(&ne->ne_lock, &irql); InsertHeadList((&ne->ne_active), (&nx->nx_next)); KeReleaseSpinLock(&ne->ne_lock, irql); ip = nx->nx_priv; urb = usbd_geturb(ip); ubi = &urb->uu_bulkintr; ep = ubi->ubi_epdesc; goto extra; } } usbd_xfer_complete(sc, ne, nx, ((actlen < sumlen) && (nx->nx_shortxfer == 0)) ? USB_ERR_SHORT_XFER : USB_ERR_NORMAL_COMPLETION); /* fall through */ case USB_ST_SETUP: next: /* get next transfer */ KeAcquireSpinLock(&ne->ne_lock, &irql); if (IsListEmpty(&ne->ne_pending)) { KeReleaseSpinLock(&ne->ne_lock, irql); return; } nx = CONTAINING_RECORD(ne->ne_pending.nle_flink, struct ndisusb_xfer, nx_next); RemoveEntryList(&nx->nx_next); /* add a entry to the active queue's tail. */ InsertTailList((&ne->ne_active), (&nx->nx_next)); KeReleaseSpinLock(&ne->ne_lock, irql); ip = nx->nx_priv; urb = usbd_geturb(ip); ubi = &urb->uu_bulkintr; ep = ubi->ubi_epdesc; nx->nx_urbbuf = ubi->ubi_trans_buf; nx->nx_urbactlen = 0; nx->nx_urblen = ubi->ubi_trans_buflen; nx->nx_shortxfer = (ubi->ubi_trans_flags & USBD_SHORT_TRANSFER_OK) ? 1 : 0; extra: len = MIN(usbd_xfer_max_len(xfer), nx->nx_urblen); pc = usbd_xfer_get_frame(xfer, 0); if (UE_GET_DIR(ep->bEndpointAddress) == UE_DIR_OUT) usbd_copy_in(pc, 0, nx->nx_urbbuf, len); usbd_xfer_set_frame_len(xfer, 0, len); usbd_xfer_set_frames(xfer, 1); usbd_transfer_submit(xfer); break; default: nx = usbd_aq_getfirst(sc, ne); if (nx == NULL) return; if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); device_printf(sc->ndis_dev, "usb xfer warning (%s)\n", usbd_errstr(error)); } usbd_xfer_complete(sc, ne, nx, error); if (error != USB_ERR_CANCELLED) goto next; break; } }
static void cdce_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct cdce_softc *sc = usbd_xfer_softc(xfer); struct ifnet *ifp = uether_getifp(&sc->sc_ue); struct mbuf *m; struct mbuf *mt; uint32_t crc; uint8_t x; int actlen, aframes; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); DPRINTFN(1, "\n"); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(11, "transfer complete: %u bytes in %u frames\n", actlen, aframes); ifp->if_opackets++; /* free all previous TX buffers */ cdce_free_queue(sc->sc_tx_buf, CDCE_FRAMES_MAX); /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: for (x = 0; x != CDCE_FRAMES_MAX; x++) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; if (sc->sc_flags & CDCE_FLAG_ZAURUS) { /* * Zaurus wants a 32-bit CRC appended * to every frame */ crc = cdce_m_crc32(m, 0, m->m_pkthdr.len); crc = htole32(crc); if (!m_append(m, 4, (void *)&crc)) { m_freem(m); ifp->if_oerrors++; continue; } } if (m->m_len != m->m_pkthdr.len) { mt = m_defrag(m, M_DONTWAIT); if (mt == NULL) { m_freem(m); ifp->if_oerrors++; continue; } m = mt; } if (m->m_pkthdr.len > MCLBYTES) { m->m_pkthdr.len = MCLBYTES; } sc->sc_tx_buf[x] = m; usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len); /* * If there's a BPF listener, bounce a copy of * this frame to him: */ BPF_MTAP(ifp, m); } if (x != 0) { usbd_xfer_set_frames(xfer, x); usbd_transfer_submit(xfer); } break; default: /* Error */ DPRINTFN(11, "transfer error, %s\n", usbd_errstr(error)); /* free all previous TX buffers */ cdce_free_queue(sc->sc_tx_buf, CDCE_FRAMES_MAX); /* count output errors */ ifp->if_oerrors++; if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static void cdce_ncm_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct cdce_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, 0); struct ifnet *ifp = uether_getifp(&sc->sc_ue); struct mbuf *m; int sumdata; int sumlen; int actlen; int aframes; int temp; int nframes; int x; int offset; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: usbd_xfer_status(xfer, &actlen, &sumlen, &aframes, NULL); DPRINTFN(1, "received %u bytes in %u frames\n", actlen, aframes); if (actlen < (sizeof(sc->sc_ncm.hdr) + sizeof(sc->sc_ncm.dpt))) { DPRINTFN(1, "frame too short\n"); goto tr_setup; } usbd_copy_out(pc, 0, &(sc->sc_ncm.hdr), sizeof(sc->sc_ncm.hdr)); if ((sc->sc_ncm.hdr.dwSignature[0] != 'N') || (sc->sc_ncm.hdr.dwSignature[1] != 'C') || (sc->sc_ncm.hdr.dwSignature[2] != 'M') || (sc->sc_ncm.hdr.dwSignature[3] != 'H')) { DPRINTFN(1, "invalid HDR signature: " "0x%02x:0x%02x:0x%02x:0x%02x\n", sc->sc_ncm.hdr.dwSignature[0], sc->sc_ncm.hdr.dwSignature[1], sc->sc_ncm.hdr.dwSignature[2], sc->sc_ncm.hdr.dwSignature[3]); goto tr_stall; } temp = UGETW(sc->sc_ncm.hdr.wBlockLength); if (temp > sumlen) { DPRINTFN(1, "unsupported block length %u/%u\n", temp, sumlen); goto tr_stall; } temp = UGETW(sc->sc_ncm.hdr.wDptIndex); if ((temp + sizeof(sc->sc_ncm.dpt)) > actlen) { DPRINTFN(1, "invalid DPT index: 0x%04x\n", temp); goto tr_stall; } usbd_copy_out(pc, temp, &(sc->sc_ncm.dpt), sizeof(sc->sc_ncm.dpt)); if ((sc->sc_ncm.dpt.dwSignature[0] != 'N') || (sc->sc_ncm.dpt.dwSignature[1] != 'C') || (sc->sc_ncm.dpt.dwSignature[2] != 'M') || (sc->sc_ncm.dpt.dwSignature[3] != '0')) { DPRINTFN(1, "invalid DPT signature" "0x%02x:0x%02x:0x%02x:0x%02x\n", sc->sc_ncm.dpt.dwSignature[0], sc->sc_ncm.dpt.dwSignature[1], sc->sc_ncm.dpt.dwSignature[2], sc->sc_ncm.dpt.dwSignature[3]); goto tr_stall; } nframes = UGETW(sc->sc_ncm.dpt.wLength) / 4; /* Subtract size of header and last zero padded entry */ if (nframes >= (2 + 1)) nframes -= (2 + 1); else nframes = 0; DPRINTFN(1, "nframes = %u\n", nframes); temp += sizeof(sc->sc_ncm.dpt); if ((temp + (4 * nframes)) > actlen) goto tr_stall; if (nframes > CDCE_NCM_SUBFRAMES_MAX) { DPRINTFN(1, "Truncating number of frames from %u to %u\n", nframes, CDCE_NCM_SUBFRAMES_MAX); nframes = CDCE_NCM_SUBFRAMES_MAX; } usbd_copy_out(pc, temp, &(sc->sc_ncm.dp), (4 * nframes)); sumdata = 0; for (x = 0; x != nframes; x++) { offset = UGETW(sc->sc_ncm.dp[x].wFrameIndex); temp = UGETW(sc->sc_ncm.dp[x].wFrameLength); if ((offset == 0) || (temp < sizeof(struct ether_header)) || (temp > (MCLBYTES - ETHER_ALIGN))) { DPRINTFN(1, "NULL frame detected at %d\n", x); m = NULL; /* silently ignore this frame */ continue; } else if ((offset + temp) > actlen) { DPRINTFN(1, "invalid frame " "detected at %d\n", x); m = NULL; /* silently ignore this frame */ continue; } else if (temp > (MHLEN - ETHER_ALIGN)) { m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); } else { m = m_gethdr(M_DONTWAIT, MT_DATA); } DPRINTFN(16, "frame %u, offset = %u, length = %u \n", x, offset, temp); /* check if we have a buffer */ if (m) { m_adj(m, ETHER_ALIGN); usbd_copy_out(pc, offset, m->m_data, temp); /* enqueue */ uether_rxmbuf(&sc->sc_ue, m, temp); sumdata += temp; } else { ifp->if_ierrors++; } } DPRINTFN(1, "Efficiency: %u/%u bytes\n", sumdata, actlen); case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, sc->sc_ncm.rx_max); usbd_xfer_set_frames(xfer, 1); usbd_transfer_submit(xfer); uether_rxflush(&sc->sc_ue); /* must be last */ break; default: /* Error */ DPRINTFN(1, "error = %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { tr_stall: /* try to clear stall first */ usbd_xfer_set_stall(xfer); usbd_xfer_set_frames(xfer, 0); usbd_transfer_submit(xfer); } break; } }
static void cdce_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct cdce_softc *sc = usbd_xfer_softc(xfer); struct mbuf *m; uint8_t x; int actlen, aframes, len; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("received %u bytes in %u frames\n", actlen, aframes); for (x = 0; x != aframes; x++) { m = sc->sc_rx_buf[x]; sc->sc_rx_buf[x] = NULL; len = usbd_xfer_frame_len(xfer, x); /* Strip off CRC added by Zaurus, if any */ if ((sc->sc_flags & CDCE_FLAG_ZAURUS) && len >= 14) len -= 4; if (len < sizeof(struct ether_header)) { m_freem(m); continue; } /* queue up mbuf */ uether_rxmbuf(&sc->sc_ue, m, len); } /* FALLTHROUGH */ case USB_ST_SETUP: /* * TODO: Implement support for multi frame transfers, * when the USB hardware supports it. */ for (x = 0; x != 1; x++) { if (sc->sc_rx_buf[x] == NULL) { m = uether_newbuf(); if (m == NULL) goto tr_stall; sc->sc_rx_buf[x] = m; } else { m = sc->sc_rx_buf[x]; } usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len); } /* set number of frames and start hardware */ usbd_xfer_set_frames(xfer, x); usbd_transfer_submit(xfer); /* flush any received frames */ uether_rxflush(&sc->sc_ue); break; default: /* Error */ DPRINTF("error = %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { tr_stall: /* try to clear stall first */ usbd_xfer_set_stall(xfer); usbd_xfer_set_frames(xfer, 0); usbd_transfer_submit(xfer); break; } /* need to free the RX-mbufs when we are cancelled */ cdce_free_queue(sc->sc_rx_buf, CDCE_FRAMES_MAX); break; } }
static void g_modem_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct g_modem_softc *sc = usbd_xfer_softc(xfer); int actlen; int aframes; int mod; int x; int max; usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL); DPRINTF("st=%d aframes=%d actlen=%d bytes\n", USB_GET_STATE(xfer), aframes, actlen); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: sc->sc_tx_busy = 0; sc->sc_throughput += actlen; if (sc->sc_mode == G_MODEM_MODE_LOOP) { /* start loop */ usbd_transfer_start(sc->sc_xfer[G_MODEM_BULK_RD]); break; } else if ((sc->sc_mode == G_MODEM_MODE_PATTERN) && (sc->sc_tx_interval != 0)) { /* wait for next timeout */ break; } case USB_ST_SETUP: tr_setup: if (sc->sc_mode == G_MODEM_MODE_PATTERN) { mod = sc->sc_pattern_len; max = sc->sc_tx_interval ? mod : G_MODEM_BUFSIZE; if (mod == 0) { for (x = 0; x != max; x++) sc->sc_data_buf[x] = x % 255; } else { for (x = 0; x != max; x++) sc->sc_data_buf[x] = sc->sc_pattern[x % mod]; } usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, max); usbd_xfer_set_interval(xfer, 0); usbd_xfer_set_frames(xfer, 1); usbd_transfer_submit(xfer); } else if (sc->sc_mode == G_MODEM_MODE_LOOP) { if (sc->sc_tx_busy == 0) break; x = sc->sc_tx_interval; if (x < 0) x = 0; else if (x > 256) x = 256; usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, sc->sc_data_len); usbd_xfer_set_interval(xfer, x); usbd_xfer_set_frames(xfer, 1); usbd_transfer_submit(xfer); } else { sc->sc_tx_busy = 0; } break; default: /* Error */ DPRINTF("error=%s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } break; } }
static int usie_attach(device_t self) { struct usie_softc *sc = device_get_softc(self); struct usb_attach_arg *uaa = device_get_ivars(self); struct ifnet *ifp; struct usb_interface *iface; struct usb_interface_descriptor *id; struct usb_device_request req; int err; uint16_t fwattr; uint8_t iface_index; uint8_t ifidx; uint8_t start; device_set_usb_desc(self); sc->sc_udev = uaa->device; sc->sc_dev = self; mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); mtx_lock(&sc->sc_mtx); /* set power mode to D0 */ req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = USIE_POWER; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); if (usie_do_request(sc, &req, NULL)) { mtx_unlock(&sc->sc_mtx); goto detach; } /* read fw attr */ fwattr = 0; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = USIE_FW_ATTR; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(fwattr)); if (usie_do_request(sc, &req, &fwattr)) { mtx_unlock(&sc->sc_mtx); goto detach; } mtx_unlock(&sc->sc_mtx); /* check DHCP supports */ DPRINTF("fwattr=%x\n", fwattr); if (!(fwattr & USIE_FW_DHCP)) { device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); } /* find available interfaces */ sc->sc_nucom = 0; for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { iface = usbd_get_iface(uaa->device, ifidx); if (iface == NULL) break; id = usbd_get_interface_descriptor(iface); if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) continue; /* setup Direct IP transfer */ if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { sc->sc_if_ifnum = id->bInterfaceNumber; iface_index = ifidx; DPRINTF("ifnum=%d, ifidx=%d\n", sc->sc_if_ifnum, ifidx); err = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_if_xfer, usie_if_config, USIE_IF_N_XFER, sc, &sc->sc_mtx); if (err == 0) continue; device_printf(self, "could not allocate USB transfers on " "iface_index=%d, err=%s\n", iface_index, usbd_errstr(err)); goto detach; } /* setup ucom */ if (sc->sc_nucom >= USIE_UCOM_MAX) continue; usbd_set_parent_iface(uaa->device, ifidx, uaa->info.bIfaceIndex); DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", id->bNumEndpoints, id->bInterfaceNumber); if (id->bNumEndpoints == 2) { sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; start = 1; } else start = 0; err = usbd_transfer_setup(uaa->device, &ifidx, sc->sc_uc_xfer[sc->sc_nucom] + start, usie_uc_config + start, USIE_UC_N_XFER - start, &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); if (err != 0) { DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); continue; } mtx_lock(&sc->sc_mtx); for (; start < USIE_UC_N_XFER; start++) usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); mtx_unlock(&sc->sc_mtx); sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; sc->sc_nucom++; /* found a port */ } if (sc->sc_nucom == 0) { device_printf(self, "no comports found\n"); goto detach; } err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); if (err != 0) { DPRINTF("ucom_attach failed\n"); goto detach; } DPRINTF("Found %d interfaces.\n", sc->sc_nucom); /* setup ifnet (Direct IP) */ sc->sc_ifp = ifp = if_alloc(IFT_OTHER); if (ifp == NULL) { device_printf(self, "Could not allocate a network interface\n"); goto detach; } if_initname(ifp, "usie", device_get_unit(self)); ifp->if_softc = sc; ifp->if_mtu = USIE_MTU_MAX; ifp->if_flags |= IFF_NOARP; ifp->if_init = usie_if_init; ifp->if_ioctl = usie_if_ioctl; ifp->if_start = usie_if_start; ifp->if_output = usie_if_output; IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; IFQ_SET_READY(&ifp->if_snd); if_attach(ifp); bpfattach(ifp, DLT_RAW, 0); if (fwattr & USIE_PM_AUTO) { usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); DPRINTF("enabling automatic suspend and resume\n"); } else { usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); DPRINTF("USB power is always ON\n"); } DPRINTF("device attached\n"); return (0); detach: usie_detach(self); return (ENOMEM); }
static void usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) { struct usie_softc *sc = usbd_xfer_softc(xfer); struct ifnet *ifp = sc->sc_ifp; struct mbuf *m0; struct mbuf *m = NULL; struct usie_desc *rxd; uint32_t actlen; uint16_t err; uint16_t pkt; uint16_t ipl; uint16_t len; uint16_t diff; uint8_t pad; uint8_t ipv; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(15, "rx done, actlen=%u\n", actlen); if (actlen < sizeof(struct usie_hip)) { DPRINTF("data too short %u\n", actlen); goto tr_setup; } m = sc->sc_rxm; sc->sc_rxm = NULL; /* fall though */ case USB_ST_SETUP: tr_setup: if (sc->sc_rxm == NULL) { sc->sc_rxm = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); } if (sc->sc_rxm == NULL) { DPRINTF("could not allocate Rx mbuf\n"); ifp->if_ierrors++; usbd_xfer_set_stall(xfer); usbd_xfer_set_frames(xfer, 0); } else { /* * Directly loading a mbuf cluster into DMA to * save some data copying. This works because * there is only one cluster. */ usbd_xfer_set_frame_data(xfer, 0, mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); usbd_xfer_set_frames(xfer, 1); } usbd_transfer_submit(xfer); break; default: /* Error */ DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); ifp->if_ierrors++; goto tr_setup; } if (sc->sc_rxm != NULL) { m_freem(sc->sc_rxm); sc->sc_rxm = NULL; } break; } if (m == NULL) return; mtx_unlock(&sc->sc_mtx); m->m_pkthdr.len = m->m_len = actlen; err = pkt = 0; /* HW can aggregate multiple frames in a single USB xfer */ for (;;) { rxd = mtod(m, struct usie_desc *); len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; ipl = (len - pad - ETHER_HDR_LEN); if (ipl >= len) { DPRINTF("Corrupt frame\n"); m_freem(m); break; } diff = sizeof(struct usie_desc) + ipl + pad; if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { DPRINTF("received wrong type of packet\n"); m->m_data += diff; m->m_pkthdr.len = (m->m_len -= diff); err++; if (m->m_pkthdr.len > 0) continue; m_freem(m); break; } switch (be16toh(rxd->ethhdr.ether_type)) { case ETHERTYPE_IP: ipv = NETISR_IP; break; #ifdef INET6 case ETHERTYPE_IPV6: ipv = NETISR_IPV6; break; #endif default: DPRINTF("unsupported ether type\n"); err++; break; } /* the last packet */ if (m->m_pkthdr.len <= diff) { m->m_data += (sizeof(struct usie_desc) + pad); m->m_pkthdr.len = m->m_len = ipl; m->m_pkthdr.rcvif = ifp; BPF_MTAP(sc->sc_ifp, m); netisr_dispatch(ipv, m); break; } /* copy aggregated frames to another mbuf */ m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (__predict_false(m0 == NULL)) { DPRINTF("could not allocate mbuf\n"); err++; m_freem(m); break; } m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); m0->m_pkthdr.rcvif = ifp; m0->m_pkthdr.len = m0->m_len = ipl; BPF_MTAP(sc->sc_ifp, m0); netisr_dispatch(ipv, m0); m->m_data += diff; m->m_pkthdr.len = (m->m_len -= diff); } mtx_lock(&sc->sc_mtx); ifp->if_ierrors += err; ifp->if_ipackets += pkt; }
static void usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) { struct usie_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; struct ifnet *ifp = sc->sc_ifp; struct mbuf *m; uint16_t size; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(11, "transfer complete\n"); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; ifp->if_opackets++; /* fall though */ case USB_ST_SETUP: tr_setup: if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) break; IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; if (m->m_pkthdr.len > (MCLBYTES - ETHER_HDR_LEN + ETHER_CRC_LEN - sizeof(sc->sc_txd))) { DPRINTF("packet len is too big: %d\n", m->m_pkthdr.len); break; } pc = usbd_xfer_get_frame(xfer, 0); sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + ETHER_HDR_LEN + ETHER_CRC_LEN); size = sizeof(sc->sc_txd); usbd_copy_in(pc, 0, &sc->sc_txd, size); usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + size + ETHER_CRC_LEN); BPF_MTAP(ifp, m); m_freem(m); usbd_transfer_submit(xfer); break; default: /* Error */ DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); ifp->if_oerrors++; if (error != USB_ERR_CANCELLED) { usbd_xfer_set_stall(xfer); ifp->if_ierrors++; goto tr_setup; } break; } }