/*- * Copyright (c) 2011 Anybots Inc * written by Akinori Furukoshi * - ucom part is based on u3g.c * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD: head/sys/dev/usb/net/if_usie.c 255471 2013-09-11 09:19:44Z glebius $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usbdevs.h" #define USB_DEBUG_VAR usie_debug #include #include #include #include #include #ifdef USB_DEBUG static int usie_debug = 0; static SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW, 0, "sierra USB modem"); SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RW, &usie_debug, 0, "usie debug level"); #endif /* Sierra Wireless Direct IP modems */ static const STRUCT_USB_HOST_ID usie_devs[] = { #define USIE_DEV(v, d) { \ USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } USIE_DEV(SIERRA, MC8700), USIE_DEV(SIERRA, TRUINSTALL), USIE_DEV(AIRPRIME, USB308), #undef USIE_DEV }; static device_probe_t usie_probe; static device_attach_t usie_attach; static device_detach_t usie_detach; static void usie_free_softc(struct usie_softc *); static void usie_free(struct ucom_softc *); static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); static void usie_uc_cfg_open(struct ucom_softc *); static void usie_uc_cfg_close(struct ucom_softc *); static void usie_uc_start_read(struct ucom_softc *); static void usie_uc_stop_read(struct ucom_softc *); static void usie_uc_start_write(struct ucom_softc *); static void usie_uc_stop_write(struct ucom_softc *); static usb_callback_t usie_uc_tx_callback; static usb_callback_t usie_uc_rx_callback; static usb_callback_t usie_uc_status_callback; static usb_callback_t usie_if_tx_callback; static usb_callback_t usie_if_rx_callback; static usb_callback_t usie_if_status_callback; static void usie_if_sync_to(void *); static void usie_if_sync_cb(void *, int); static void usie_if_status_cb(void *, int); static void usie_if_start(struct ifnet *); static int usie_if_output(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *); static void usie_if_init(void *); static void usie_if_stop(struct usie_softc *); static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); static int usie_if_cmd(struct usie_softc *, uint8_t); static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); static int usie_driver_loaded(struct module *, int, void *); static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { [USIE_UC_STATUS] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = 0, /* use wMaxPacketSize */ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &usie_uc_status_callback, }, [USIE_UC_RX] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = USIE_BUFSIZE, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, .callback = &usie_uc_rx_callback, }, [USIE_UC_TX] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = USIE_BUFSIZE, .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = &usie_uc_tx_callback, } }; static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { [USIE_IF_STATUS] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = 0, /* use wMaxPacketSize */ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &usie_if_status_callback, }, [USIE_IF_RX] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = USIE_BUFSIZE, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &usie_if_rx_callback, }, [USIE_IF_TX] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = &usie_if_tx_callback, } }; static device_method_t usie_methods[] = { DEVMETHOD(device_probe, usie_probe), DEVMETHOD(device_attach, usie_attach), DEVMETHOD(device_detach, usie_detach), DEVMETHOD_END }; static driver_t usie_driver = { .name = "usie", .methods = usie_methods, .size = sizeof(struct usie_softc), }; static devclass_t usie_devclass; static eventhandler_tag usie_etag; DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); MODULE_DEPEND(usie, ucom, 1, 1, 1); MODULE_DEPEND(usie, usb, 1, 1, 1); MODULE_VERSION(usie, 1); static const struct ucom_callback usie_uc_callback = { .ucom_cfg_get_status = &usie_uc_cfg_get_status, .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, .ucom_cfg_open = &usie_uc_cfg_open, .ucom_cfg_close = &usie_uc_cfg_close, .ucom_start_read = &usie_uc_start_read, .ucom_stop_read = &usie_uc_stop_read, .ucom_start_write = &usie_uc_start_write, .ucom_stop_write = &usie_uc_stop_write, .ucom_free = &usie_free, }; static void usie_autoinst(void *arg, struct usb_device *udev, struct usb_attach_arg *uaa) { struct usb_interface *iface; struct usb_interface_descriptor *id; struct usb_device_request req; int err; if (uaa->dev_state != UAA_DEV_READY) return; iface = usbd_get_iface(udev, 0); if (iface == NULL) return; id = iface->idesc; if (id == NULL || id->bInterfaceClass != UICLASS_MASS) return; if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) return; /* no device match */ if (bootverbose) { DPRINTF("Ejecting %s %s\n", usb_get_manufacturer(udev), usb_get_product(udev)); } req.bmRequestType = UT_VENDOR; req.bRequest = UR_SET_INTERFACE; USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); USETW(req.wIndex, UHF_PORT_CONNECTION); USETW(req.wLength, 0); /* at this moment there is no mutex */ err = usbd_do_request_flags(udev, NULL, &req, NULL, 0, NULL, 250 /* ms */ ); /* success, mark the udev as disappearing */ if (err == 0) uaa->dev_state = UAA_DEV_EJECTING; } static int usie_probe(device_t self) { struct usb_attach_arg *uaa = device_get_ivars(self); if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) return (ENXIO); if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) return (ENXIO); if (uaa->info.bInterfaceClass != UICLASS_VENDOR) return (ENXIO); return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); } 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); ucom_ref(&sc->sc_super_ucom); 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 int usie_detach(device_t self) { struct usie_softc *sc = device_get_softc(self); uint8_t x; /* detach ifnet */ if (sc->sc_ifp != NULL) { usie_if_stop(sc); usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); bpfdetach(sc->sc_ifp); if_detach(sc->sc_ifp); if_free(sc->sc_ifp); sc->sc_ifp = NULL; } /* detach ucom */ if (sc->sc_nucom > 0) ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); /* stop all USB transfers */ usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); for (x = 0; x != USIE_UCOM_MAX; x++) usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); device_claim_softc(self); usie_free_softc(sc); return (0); } UCOM_UNLOAD_DRAIN(usie); static void usie_free_softc(struct usie_softc *sc) { if (ucom_unref(&sc->sc_super_ucom)) { mtx_destroy(&sc->sc_mtx); device_free_softc(sc); } } static void usie_free(struct ucom_softc *ucom) { usie_free_softc(ucom->sc_parent); } static void usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) { struct usie_softc *sc = ucom->sc_parent; struct usb_device_request req; if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) return; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = USIE_LINK_STATE; USETW(req.wValue, ls); USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); USETW(req.wLength, 0); DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); usie_do_request(sc, &req, NULL); } static void usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) { struct usie_softc *sc = ucom->sc_parent; *msr = sc->sc_msr; *lsr = sc->sc_lsr; } static void usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) { uint8_t dtr; dtr = flag ? USIE_LS_DTR : 0; usie_uc_update_line_state(ucom, dtr); } static void usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) { uint8_t rts; rts = flag ? USIE_LS_RTS : 0; usie_uc_update_line_state(ucom, rts); } static void usie_uc_cfg_open(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; /* usbd_transfer_start() is NULL safe */ usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); } static void usie_uc_cfg_close(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); } static void usie_uc_start_read(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); } static void usie_uc_stop_read(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); } static void usie_uc_start_write(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); } static void usie_uc_stop_write(struct ucom_softc *ucom) { struct usie_softc *sc = ucom->sc_parent; usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); } 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 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 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 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_NOWAIT, 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_NOWAIT, 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 > (int)(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; } } 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 usie_if_sync_to(void *arg) { struct usie_softc *sc = arg; taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); } static void usie_if_sync_cb(void *arg, int pending) { struct usie_softc *sc = arg; mtx_lock(&sc->sc_mtx); /* call twice */ usie_if_cmd(sc, USIE_HIP_SYNC2M); usie_if_cmd(sc, USIE_HIP_SYNC2M); usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); mtx_unlock(&sc->sc_mtx); } static void usie_if_status_cb(void *arg, int pending) { struct usie_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct usb_device_request req; struct usie_hip *hip; struct usie_lsi *lsi; uint16_t actlen; uint8_t ntries; uint8_t pad; mtx_lock(&sc->sc_mtx); req.bmRequestType = UT_READ_CLASS_INTERFACE; req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; USETW(req.wValue, 0); USETW(req.wIndex, sc->sc_if_ifnum); USETW(req.wLength, sizeof(sc->sc_status_temp)); for (ntries = 0; ntries != 10; ntries++) { int err; err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, &actlen, USB_DEFAULT_TIMEOUT); if (err == 0) break; DPRINTF("Control request failed: %s %d/10\n", usbd_errstr(err), ntries); usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); } if (ntries == 10) { mtx_unlock(&sc->sc_mtx); DPRINTF("Timeout\n"); return; } hip = (struct usie_hip *)sc->sc_status_temp; pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", hip->id, be16toh(hip->len), actlen, pad); switch (hip->id & USIE_HIP_MASK) { case USIE_HIP_SYNC2H: usie_if_cmd(sc, USIE_HIP_SYNC2M); break; case USIE_HIP_RESTR: usb_callout_stop(&sc->sc_if_sync_ch); break; case USIE_HIP_UMTS: lsi = (struct usie_lsi *)( sc->sc_status_temp + sizeof(struct usie_hip) + pad); DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, be16toh(lsi->len)); if (lsi->proto != USIE_LSI_UMTS) break; if (lsi->area == USIE_LSI_AREA_NO || lsi->area == USIE_LSI_AREA_NODATA) { device_printf(sc->sc_dev, "no service available\n"); break; } if (lsi->state == USIE_LSI_STATE_IDLE) { DPRINTF("lsi.state=%x\n", lsi->state); break; } DPRINTF("ctx=%x\n", hip->param); sc->sc_txd.hip.param = hip->param; sc->sc_net.addr_len = lsi->pdp_addr_len; memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); ifp->if_flags |= IFF_UP; ifp->if_drv_flags |= IFF_DRV_RUNNING; device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", *lsi->pdp_addr, *(lsi->pdp_addr + 1), *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", *lsi->gw_addr, *(lsi->gw_addr + 1), *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", *lsi->dns1_addr, *(lsi->dns1_addr + 1), *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", *lsi->dns2_addr, *(lsi->dns2_addr + 1), *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); break; case USIE_HIP_RCGI: /* ignore, workaround for sloppy windows */ break; default: DPRINTF("undefined msgid: %x\n", hip->id); break; } mtx_unlock(&sc->sc_mtx); } static void usie_if_start(struct ifnet *ifp) { struct usie_softc *sc = ifp->if_softc; if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { DPRINTF("Not running\n"); return; } mtx_lock(&sc->sc_mtx); usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); mtx_unlock(&sc->sc_mtx); DPRINTFN(3, "interface started\n"); } static int usie_if_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, struct route *ro) { int err; DPRINTF("proto=%x\n", dst->sa_family); switch (dst->sa_family) { #ifdef INET6 case AF_INET6; /* fall though */ #endif case AF_INET: break; /* silently drop dhclient packets */ case AF_UNSPEC: m_freem(m); return (0); /* drop other packet types */ default: m_freem(m); return (EAFNOSUPPORT); } err = (ifp->if_transmit)(ifp, m); if (err) { ifp->if_oerrors++; return (ENOBUFS); } ifp->if_opackets++; return (0); } 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 usie_if_stop(struct usie_softc *sc) { usb_callout_drain(&sc->sc_if_sync_ch); mtx_lock(&sc->sc_mtx); /* usie_cns_req() clears IFF_* flags */ usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); /* shutdown device */ usie_if_cmd(sc, USIE_HIP_DOWN); mtx_unlock(&sc->sc_mtx); } static int usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct usie_softc *sc = ifp->if_softc; struct ieee80211req *ireq; struct ieee80211req_sta_info si; struct ifmediareq *ifmr; switch (cmd) { case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) usie_if_init(sc); } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) usie_if_stop(sc); } break; case SIOCSIFCAP: if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { device_printf(sc->sc_dev, "Connect to the network first.\n"); break; } mtx_lock(&sc->sc_mtx); usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); mtx_unlock(&sc->sc_mtx); break; case SIOCG80211: ireq = (struct ieee80211req *)data; if (ireq->i_type != IEEE80211_IOC_STA_INFO) break; memset(&si, 0, sizeof(si)); si.isi_len = sizeof(si); /* * ifconfig expects RSSI in 0.5dBm units * relative to the noise floor. */ si.isi_rssi = 2 * sc->sc_rssi; if (copyout(&si, (uint8_t *)ireq->i_data + 8, sizeof(struct ieee80211req_sta_info))) DPRINTF("copyout failed\n"); DPRINTF("80211\n"); break; case SIOCGIFMEDIA: /* to fool ifconfig */ ifmr = (struct ifmediareq *)data; ifmr->ifm_count = 1; DPRINTF("media\n"); break; case SIOCSIFADDR: break; default: return (EINVAL); } return (0); } static int usie_do_request(struct usie_softc *sc, struct usb_device_request *req, void *data) { int err = 0; int ntries; mtx_assert(&sc->sc_mtx, MA_OWNED); for (ntries = 0; ntries != 10; ntries++) { err = usbd_do_request(sc->sc_udev, &sc->sc_mtx, req, data); if (err == 0) break; DPRINTF("Control request failed: %s %d/10\n", usbd_errstr(err), ntries); usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); } return (err); } static int usie_if_cmd(struct usie_softc *sc, uint8_t cmd) { struct usb_device_request req; struct usie_hip msg; msg.len = 0; msg.id = cmd; msg.param = 0; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; USETW(req.wValue, 0); USETW(req.wIndex, sc->sc_if_ifnum); USETW(req.wLength, sizeof(msg)); DPRINTF("cmd=%x\n", cmd); return (usie_do_request(sc, &req, &msg)); } static void usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) { struct ifnet *ifp = sc->sc_ifp; struct mbuf *m; struct usb_xfer *xfer; struct usie_hip *hip; struct usie_cns *cns; uint8_t *param; uint8_t *tmp; uint8_t cns_len; m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); if (__predict_false(m == NULL)) { DPRINTF("could not allocate mbuf\n"); ifp->if_ierrors++; return; } /* to align usie_hip{} on 32 bit */ m->m_data += 3; param = mtod(m, uint8_t *); *param++ = USIE_HIP_FRM_CHR; hip = (struct usie_hip *)param; cns = (struct usie_cns *)(hip + 1); tmp = param + USIE_HIPCNS_MIN - 2; switch (obj) { case USIE_CNS_OB_LINK_UPDATE: cns_len = 2; cns->op = USIE_CNS_OP_SET; *tmp++ = 1; /* profile ID, always use 1 for now */ *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; break; case USIE_CNS_OB_PROF_WRITE: cns_len = 245; cns->op = USIE_CNS_OP_SET; *tmp++ = 1; /* profile ID, always use 1 for now */ *tmp++ = 2; memcpy(tmp, &sc->sc_net, 34); memset(tmp + 35, 0, 245 - 36); tmp += 243; break; case USIE_CNS_OB_RSSI: cns_len = 0; cns->op = USIE_CNS_OP_REQ; break; default: DPRINTF("unsupported CnS object type\n"); return; } *tmp = USIE_HIP_FRM_CHR; hip->len = htobe16(sizeof(struct usie_cns) + cns_len); hip->id = USIE_HIP_CNS2M; hip->param = 0; /* none for CnS */ cns->obj = htobe16(obj); cns->id = htobe32(id); cns->len = cns_len; cns->rsv0 = cns->rsv1 = 0; /* always '0' */ param = (uint8_t *)(cns + 1); DPRINTF("param: %16D\n", param, ":"); m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; if (usbd_xfer_get_priv(xfer) == NULL) { usbd_xfer_set_priv(xfer, m); usbd_transfer_start(xfer); } else { DPRINTF("Dropped CNS event\n"); m_freem(m); } } static void usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) { struct ifnet *ifp = sc->sc_ifp; DPRINTF("received CnS\n"); switch (be16toh(cns->obj)) { case USIE_CNS_OB_LINK_UPDATE: if (be32toh(cns->id) & USIE_CNS_ID_INIT) usie_if_sync_to(sc); else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { ifp->if_flags &= ~IFF_UP; ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); } else DPRINTF("undefined link update\n"); break; case USIE_CNS_OB_RSSI: sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); if (sc->sc_rssi <= 0) device_printf(sc->sc_dev, "No signal\n"); else { device_printf(sc->sc_dev, "RSSI=%ddBm\n", sc->sc_rssi - 110); } break; case USIE_CNS_OB_PROF_WRITE: break; case USIE_CNS_OB_PDP_READ: break; default: DPRINTF("undefined CnS\n"); break; } } static void usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) { struct usie_hip *hip; struct usie_cns *cns; uint32_t i; uint32_t j; uint32_t off; uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { uint8_t pad; while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) off++; /* Unstuff the bytes */ for (i = j = 0; ((i + off) < len) && (j < USIE_HIPCNS_MAX); i++) { if (rsp[i + off] == USIE_HIP_FRM_CHR) break; if (rsp[i + off] == USIE_HIP_ESC_CHR) { if ((i + off + 1) >= len) break; tmp[j++] = rsp[i++ + off + 1] ^ 0x20; } else { tmp[j++] = rsp[i + off]; } } off += i; DPRINTF("frame len=%d\n", j); if (j < sizeof(struct usie_hip)) { DPRINTF("too little data\n"); break; } /* * Make sure we are not reading the stack if something * is wrong. */ memset(tmp + j, 0, sizeof(tmp) - j); hip = (struct usie_hip *)tmp; DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", be16toh(hip->len), hip->id, hip->param); pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); if (j < (sizeof(struct usie_cns) + sizeof(struct usie_hip) + pad)) { DPRINTF("too little data\n"); break; } DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " "app=%08x, rsv1=%02x, len=%d\n", be16toh(cns->obj), cns->op, cns->rsv0, be32toh(cns->id), cns->rsv1, cns->len); if (cns->op & USIE_CNS_OP_ERR) DPRINTF("CnS error response\n"); else usie_cns_rsp(sc, cns); i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); j = cns->len; } else { i = sizeof(struct usie_hip) + pad; j = be16toh(hip->len); } #ifdef USB_DEBUG if (usie_debug == 0) continue; while (i < USIE_HIPCNS_MAX && j > 0) { DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); i++; j--; } #endif } } static int usie_driver_loaded(struct module *mod, int what, void *arg) { switch (what) { case MOD_LOAD: /* register autoinstall handler */ usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); break; case MOD_UNLOAD: EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); break; default: return (EOPNOTSUPP); } return (0); }