diff --git a/sys/dev/usb/net/uhso.c b/sys/dev/usb/net/uhso.c index c72fa8d7a36b..4ff5fcc075d3 100644 --- a/sys/dev/usb/net/uhso.c +++ b/sys/dev/usb/net/uhso.c @@ -1,1936 +1,1936 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2010 Fredrik Lindberg * All rights reserved. * * 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 ``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 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("$FreeBSD$"); #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 uhso_debug #include #include #include #include #include struct uhso_tty { struct uhso_softc *ht_sc; struct usb_xfer *ht_xfer[3]; int ht_muxport; /* Mux. port no */ int ht_open; char ht_name[32]; }; struct uhso_softc { device_t sc_dev; struct usb_device *sc_udev; struct mtx sc_mtx; uint32_t sc_type; /* Interface definition */ int sc_radio; struct usb_xfer *sc_xfer[3]; uint8_t sc_iface_no; uint8_t sc_iface_index; /* Control pipe */ struct usb_xfer * sc_ctrl_xfer[2]; uint8_t sc_ctrl_iface_no; /* Network */ struct usb_xfer *sc_if_xfer[2]; struct ifnet *sc_ifp; struct mbuf *sc_mwait; /* Partial packet */ size_t sc_waitlen; /* No. of outstanding bytes */ struct mbufq sc_rxq; struct callout sc_c; /* TTY related structures */ struct ucom_super_softc sc_super_ucom; int sc_ttys; struct uhso_tty *sc_tty; struct ucom_softc *sc_ucom; int sc_msr; int sc_lsr; int sc_line; }; #define UHSO_MAX_MTU 2048 /* * There are mainly two type of cards floating around. * The first one has 2,3 or 4 interfaces with a multiplexed serial port * and packet interface on the first interface and bulk serial ports * on the others. * The second type of card has several other interfaces, their purpose * can be detected during run-time. */ #define UHSO_IFACE_SPEC(usb_type, port, port_type) \ (((usb_type) << 24) | ((port) << 16) | (port_type)) #define UHSO_IFACE_USB_TYPE(x) ((x >> 24) & 0xff) #define UHSO_IFACE_PORT(x) ((x >> 16) & 0xff) #define UHSO_IFACE_PORT_TYPE(x) (x & 0xff) /* * USB interface types */ #define UHSO_IF_NET 0x01 /* Network packet interface */ #define UHSO_IF_MUX 0x02 /* Multiplexed serial port */ #define UHSO_IF_BULK 0x04 /* Bulk interface */ /* * Port types */ #define UHSO_PORT_UNKNOWN 0x00 #define UHSO_PORT_SERIAL 0x01 /* Serial port */ #define UHSO_PORT_NETWORK 0x02 /* Network packet interface */ /* * Multiplexed serial port destination sub-port names */ #define UHSO_MPORT_TYPE_CTL 0x00 /* Control port */ #define UHSO_MPORT_TYPE_APP 0x01 /* Application */ #define UHSO_MPORT_TYPE_PCSC 0x02 #define UHSO_MPORT_TYPE_GPS 0x03 #define UHSO_MPORT_TYPE_APP2 0x04 /* Secondary application */ #define UHSO_MPORT_TYPE_MAX UHSO_MPORT_TYPE_APP2 #define UHSO_MPORT_TYPE_NOMAX 8 /* Max number of mux ports */ /* * Port definitions * Note that these definitions are arbitrary and do not match the values * returned by the auto config descriptor. */ #define UHSO_PORT_TYPE_UNKNOWN 0x00 #define UHSO_PORT_TYPE_CTL 0x01 #define UHSO_PORT_TYPE_APP 0x02 #define UHSO_PORT_TYPE_APP2 0x03 #define UHSO_PORT_TYPE_MODEM 0x04 #define UHSO_PORT_TYPE_NETWORK 0x05 #define UHSO_PORT_TYPE_DIAG 0x06 #define UHSO_PORT_TYPE_DIAG2 0x07 #define UHSO_PORT_TYPE_GPS 0x08 #define UHSO_PORT_TYPE_GPSCTL 0x09 #define UHSO_PORT_TYPE_PCSC 0x0a #define UHSO_PORT_TYPE_MSD 0x0b #define UHSO_PORT_TYPE_VOICE 0x0c #define UHSO_PORT_TYPE_MAX 0x0c static eventhandler_tag uhso_etag; /* Overall port type */ static char *uhso_port[] = { "Unknown", "Serial", "Network", "Network/Serial" }; /* * Map between interface port type read from device and description type. * The position in this array is a direct map to the auto config * descriptor values. */ static unsigned char uhso_port_map[] = { UHSO_PORT_TYPE_UNKNOWN, UHSO_PORT_TYPE_DIAG, UHSO_PORT_TYPE_GPS, UHSO_PORT_TYPE_GPSCTL, UHSO_PORT_TYPE_APP, UHSO_PORT_TYPE_APP2, UHSO_PORT_TYPE_CTL, UHSO_PORT_TYPE_NETWORK, UHSO_PORT_TYPE_MODEM, UHSO_PORT_TYPE_MSD, UHSO_PORT_TYPE_PCSC, UHSO_PORT_TYPE_VOICE }; static char uhso_port_map_max = sizeof(uhso_port_map) / sizeof(char); static unsigned char uhso_mux_port_map[] = { UHSO_PORT_TYPE_CTL, UHSO_PORT_TYPE_APP, UHSO_PORT_TYPE_PCSC, UHSO_PORT_TYPE_GPS, UHSO_PORT_TYPE_APP2 }; static char *uhso_port_type[] = { "Unknown", /* Not a valid port */ "Control", "Application", "Application (Secondary)", "Modem", "Network", "Diagnostic", "Diagnostic (Secondary)", "GPS", "GPS Control", "PC Smartcard", "MSD", "Voice", }; static char *uhso_port_type_sysctl[] = { "unknown", "control", "application", "application", "modem", "network", "diagnostic", "diagnostic", "gps", "gps_control", "pcsc", "msd", "voice", }; #define UHSO_STATIC_IFACE 0x01 #define UHSO_AUTO_IFACE 0x02 /* ifnet device unit allocations */ static struct unrhdr *uhso_ifnet_unit = NULL; static const STRUCT_USB_HOST_ID uhso_devs[] = { #define UHSO_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } /* Option GlobeTrotter MAX 7.2 with upgraded firmware */ UHSO_DEV(OPTION, GTMAX72, UHSO_STATIC_IFACE), /* Option GlobeSurfer iCON 7.2 */ UHSO_DEV(OPTION, GSICON72, UHSO_STATIC_IFACE), /* Option iCON 225 */ UHSO_DEV(OPTION, GTHSDPA, UHSO_STATIC_IFACE), /* Option GlobeSurfer iCON HSUPA */ UHSO_DEV(OPTION, GSICONHSUPA, UHSO_STATIC_IFACE), /* Option GlobeTrotter HSUPA */ UHSO_DEV(OPTION, GTHSUPA, UHSO_STATIC_IFACE), /* GE40x */ UHSO_DEV(OPTION, GE40X, UHSO_AUTO_IFACE), UHSO_DEV(OPTION, GE40X_1, UHSO_AUTO_IFACE), UHSO_DEV(OPTION, GE40X_2, UHSO_AUTO_IFACE), UHSO_DEV(OPTION, GE40X_3, UHSO_AUTO_IFACE), /* Option GlobeSurfer iCON 401 */ UHSO_DEV(OPTION, ICON401, UHSO_AUTO_IFACE), /* Option GlobeTrotter Module 382 */ UHSO_DEV(OPTION, GMT382, UHSO_AUTO_IFACE), /* Option GTM661W */ UHSO_DEV(OPTION, GTM661W, UHSO_AUTO_IFACE), /* Option iCON EDGE */ UHSO_DEV(OPTION, ICONEDGE, UHSO_STATIC_IFACE), /* Option Module HSxPA */ UHSO_DEV(OPTION, MODHSXPA, UHSO_STATIC_IFACE), /* Option iCON 321 */ UHSO_DEV(OPTION, ICON321, UHSO_STATIC_IFACE), /* Option iCON 322 */ UHSO_DEV(OPTION, GTICON322, UHSO_STATIC_IFACE), /* Option iCON 505 */ UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), /* Option iCON 452 */ UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), #undef UHSO_DEV }; static SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "USB uhso"); static int uhso_autoswitch = 1; SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RWTUN, &uhso_autoswitch, 0, "Automatically switch to modem mode"); #ifdef USB_DEBUG #ifdef UHSO_DEBUG static int uhso_debug = UHSO_DEBUG; #else static int uhso_debug = -1; #endif SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RWTUN, &uhso_debug, 0, "Debug level"); #define UHSO_DPRINTF(n, x, ...) {\ if (uhso_debug >= n) {\ printf("%s: " x, __func__, ##__VA_ARGS__);\ }\ } #else #define UHSO_DPRINTF(n, x, ...) #endif #ifdef UHSO_DEBUG_HEXDUMP # define UHSO_HEXDUMP(_buf, _len) do { \ { \ size_t __tmp; \ const char *__buf = (const char *)_buf; \ for (__tmp = 0; __tmp < _len; __tmp++) \ printf("%02hhx ", *__buf++); \ printf("\n"); \ } \ } while(0) #else # define UHSO_HEXDUMP(_buf, _len) #endif enum { UHSO_MUX_ENDPT_INTR = 0, UHSO_MUX_ENDPT_MAX }; enum { UHSO_CTRL_READ = 0, UHSO_CTRL_WRITE, UHSO_CTRL_MAX }; enum { UHSO_IFNET_READ = 0, UHSO_IFNET_WRITE, UHSO_IFNET_MAX }; enum { UHSO_BULK_ENDPT_READ = 0, UHSO_BULK_ENDPT_WRITE, UHSO_BULK_ENDPT_INTR, UHSO_BULK_ENDPT_MAX }; static usb_callback_t uhso_mux_intr_callback; static usb_callback_t uhso_mux_read_callback; static usb_callback_t uhso_mux_write_callback; static usb_callback_t uhso_bs_read_callback; static usb_callback_t uhso_bs_write_callback; static usb_callback_t uhso_bs_intr_callback; static usb_callback_t uhso_ifnet_read_callback; static usb_callback_t uhso_ifnet_write_callback; /* Config used for the default control pipes */ static const struct usb_config uhso_ctrl_config[UHSO_CTRL_MAX] = { [UHSO_CTRL_READ] = { .type = UE_CONTROL, .endpoint = 0x00, .direction = UE_DIR_ANY, .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, .bufsize = sizeof(struct usb_device_request) + 1024, .callback = &uhso_mux_read_callback }, [UHSO_CTRL_WRITE] = { .type = UE_CONTROL, .endpoint = 0x00, .direction = UE_DIR_ANY, .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, .bufsize = sizeof(struct usb_device_request) + 1024, .timeout = 1000, .callback = &uhso_mux_write_callback } }; /* Config for the multiplexed serial ports */ static const struct usb_config uhso_mux_config[UHSO_MUX_ENDPT_MAX] = { [UHSO_MUX_ENDPT_INTR] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = { .short_xfer_ok = 1 }, .bufsize = 0, .callback = &uhso_mux_intr_callback, } }; /* Config for the raw IP-packet interface */ static const struct usb_config uhso_ifnet_config[UHSO_IFNET_MAX] = { [UHSO_IFNET_READ] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, .bufsize = MCLBYTES, .callback = &uhso_ifnet_read_callback }, [UHSO_IFNET_WRITE] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, .bufsize = MCLBYTES, .timeout = 5 * USB_MS_HZ, .callback = &uhso_ifnet_write_callback } }; /* Config for interfaces with normal bulk serial ports */ static const struct usb_config uhso_bs_config[UHSO_BULK_ENDPT_MAX] = { [UHSO_BULK_ENDPT_READ] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, .bufsize = 4096, .callback = &uhso_bs_read_callback }, [UHSO_BULK_ENDPT_WRITE] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, .bufsize = 8192, .callback = &uhso_bs_write_callback }, [UHSO_BULK_ENDPT_INTR] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = { .short_xfer_ok = 1 }, .bufsize = 0, .callback = &uhso_bs_intr_callback, } }; static int uhso_probe_iface(struct uhso_softc *, int, int (*probe)(struct usb_device *, int)); static int uhso_probe_iface_auto(struct usb_device *, int); static int uhso_probe_iface_static(struct usb_device *, int); static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, int type); static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, int type); static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, int type); static void uhso_test_autoinst(void *, struct usb_device *, struct usb_attach_arg *); static int uhso_driver_loaded(struct module *, int, void *); static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); static int uhso_radio_ctrl(struct uhso_softc *, int); static void uhso_free(struct ucom_softc *); static void uhso_ucom_start_read(struct ucom_softc *); static void uhso_ucom_stop_read(struct ucom_softc *); static void uhso_ucom_start_write(struct ucom_softc *); static void uhso_ucom_stop_write(struct ucom_softc *); static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); static void uhso_if_init(void *); static void uhso_if_start(struct ifnet *); static void uhso_if_stop(struct uhso_softc *); static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); static int uhso_if_output(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *); static void uhso_if_rxflush(void *); static device_probe_t uhso_probe; static device_attach_t uhso_attach; static device_detach_t uhso_detach; static void uhso_free_softc(struct uhso_softc *); static device_method_t uhso_methods[] = { DEVMETHOD(device_probe, uhso_probe), DEVMETHOD(device_attach, uhso_attach), DEVMETHOD(device_detach, uhso_detach), { 0, 0 } }; static driver_t uhso_driver = { .name = "uhso", .methods = uhso_methods, .size = sizeof(struct uhso_softc) }; static devclass_t uhso_devclass; DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); MODULE_DEPEND(uhso, ucom, 1, 1, 1); MODULE_DEPEND(uhso, usb, 1, 1, 1); MODULE_VERSION(uhso, 1); USB_PNP_HOST_INFO(uhso_devs); static struct ucom_callback uhso_ucom_callback = { .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, .ucom_start_read = uhso_ucom_start_read, .ucom_stop_read = uhso_ucom_stop_read, .ucom_start_write = uhso_ucom_start_write, .ucom_stop_write = uhso_ucom_stop_write, .ucom_free = &uhso_free, }; static int uhso_probe(device_t self) { struct usb_attach_arg *uaa = device_get_ivars(self); int error; if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); if (uaa->info.bConfigIndex != 0) return (ENXIO); if (uaa->info.bDeviceClass != 0xff) return (ENXIO); error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); if (error != 0) return (error); /* * Probe device to see if we are able to attach * to this interface or not. */ if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { if (uhso_probe_iface_auto(uaa->device, uaa->info.bIfaceNum) == 0) return (ENXIO); } return (error); } static int uhso_attach(device_t self) { struct uhso_softc *sc = device_get_softc(self); struct usb_attach_arg *uaa = device_get_ivars(self); struct usb_interface_descriptor *id; struct sysctl_ctx_list *sctx; struct sysctl_oid *soid; struct sysctl_oid *tree = NULL, *tty_node; struct ucom_softc *ucom; struct uhso_tty *ht; int i, error, port; void *probe_f; usb_error_t uerr; char *desc; sc->sc_dev = self; sc->sc_udev = uaa->device; mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); mbufq_init(&sc->sc_rxq, INT_MAX); /* XXXGL: sane maximum */ ucom_ref(&sc->sc_super_ucom); sc->sc_radio = 1; id = usbd_get_interface_descriptor(uaa->iface); sc->sc_ctrl_iface_no = id->bInterfaceNumber; sc->sc_iface_no = uaa->info.bIfaceNum; sc->sc_iface_index = uaa->info.bIfaceIndex; /* Setup control pipe */ uerr = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, sc->sc_ctrl_xfer, uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); if (uerr) { device_printf(self, "Failed to setup control pipe: %s\n", usbd_errstr(uerr)); goto out; } if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) probe_f = uhso_probe_iface_static; else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) probe_f = uhso_probe_iface_auto; else goto out; error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); if (error != 0) goto out; sctx = device_get_sysctl_ctx(sc->sc_dev); soid = device_get_sysctl_tree(sc->sc_dev); SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, "Port available at this interface"); SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, sc, 0, uhso_radio_sysctl, "I", "Enable radio"); /* * The default interface description on most Option devices isn't * very helpful. So we skip device_set_usb_desc and set the * device description manually. */ device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); /* Announce device */ device_printf(self, "<%s port> at <%s %s> on %s\n", uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], usb_get_manufacturer(uaa->device), usb_get_product(uaa->device), device_get_nameunit(device_get_parent(self))); if (sc->sc_ttys > 0) { SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "port", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Serial ports"); } /* * Loop through the number of found TTYs and create sysctl * nodes for them. */ for (i = 0; i < sc->sc_ttys; i++) { ht = &sc->sc_tty[i]; ucom = &sc->sc_ucom[i]; if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) port = uhso_mux_port_map[ht->ht_muxport]; else port = UHSO_IFACE_PORT_TYPE(sc->sc_type); desc = uhso_port_type_sysctl[port]; tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, desc, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, ""); ht->ht_name[0] = 0; if (sc->sc_ttys == 1) snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_super->sc_unit); else { snprintf(ht->ht_name, 32, "cuaU%d.%d", ucom->sc_super->sc_unit, ucom->sc_subunit); } desc = uhso_port_type[port]; SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, "tty", CTLFLAG_RD, ht->ht_name, 0, ""); SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, "desc", CTLFLAG_RD, desc, 0, ""); if (bootverbose) device_printf(sc->sc_dev, "\"%s\" port at %s\n", desc, ht->ht_name); } return (0); out: uhso_detach(sc->sc_dev); return (ENXIO); } static int uhso_detach(device_t self) { struct uhso_softc *sc = device_get_softc(self); int i; usbd_transfer_unsetup(sc->sc_xfer, 3); usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); if (sc->sc_ttys > 0) { ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); for (i = 0; i < sc->sc_ttys; i++) { if (sc->sc_tty[i].ht_muxport != -1) { usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, UHSO_CTRL_MAX); } } } if (sc->sc_ifp != NULL) { callout_drain(&sc->sc_c); free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); mtx_lock(&sc->sc_mtx); uhso_if_stop(sc); + mtx_unlock(&sc->sc_mtx); bpfdetach(sc->sc_ifp); if_detach(sc->sc_ifp); if_free(sc->sc_ifp); - mtx_unlock(&sc->sc_mtx); usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); } device_claim_softc(self); uhso_free_softc(sc); return (0); } UCOM_UNLOAD_DRAIN(uhso); static void uhso_free_softc(struct uhso_softc *sc) { if (ucom_unref(&sc->sc_super_ucom)) { free(sc->sc_tty, M_USBDEV); free(sc->sc_ucom, M_USBDEV); mtx_destroy(&sc->sc_mtx); device_free_softc(sc); } } static void uhso_free(struct ucom_softc *ucom) { uhso_free_softc(ucom->sc_parent); } static void uhso_test_autoinst(void *arg, struct usb_device *udev, struct usb_attach_arg *uaa) { struct usb_interface *iface; struct usb_interface_descriptor *id; if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 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(uhso_devs, sizeof(uhso_devs), uaa)) return; /* no device match */ if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { /* success, mark the udev as disappearing */ uaa->dev_state = UAA_DEV_EJECTING; } } static int uhso_driver_loaded(struct module *mod, int what, void *arg) { switch (what) { case MOD_LOAD: /* register our autoinstall handler */ uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); /* create our unit allocator for inet devs */ uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); break; case MOD_UNLOAD: EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); delete_unrhdr(uhso_ifnet_unit); break; default: return (EOPNOTSUPP); } return (0); } /* * Probe the interface type by querying the device. The elements * of an array indicates the capabilities of a particular interface. * Returns a bit mask with the interface capabilities. */ static int uhso_probe_iface_auto(struct usb_device *udev, int index) { struct usb_device_request req; usb_error_t uerr; uint16_t actlen = 0; char port; char buf[17] = {0}; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = 0x86; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 17); uerr = usbd_do_request_flags(udev, NULL, &req, buf, 0, &actlen, USB_MS_HZ); if (uerr != 0) { printf("%s: usbd_do_request_flags failed, %s\n", __func__, usbd_errstr(uerr)); return (0); } UHSO_DPRINTF(1, "actlen=%d\n", actlen); UHSO_HEXDUMP(buf, 17); if (index < 0 || index > 16) { UHSO_DPRINTF(0, "Index %d out of range\n", index); return (0); } UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); if (buf[index] >= uhso_port_map_max) port = 0; else port = uhso_port_map[(int)buf[index]]; switch (port) { case UHSO_PORT_TYPE_NETWORK: return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); case UHSO_PORT_TYPE_DIAG: case UHSO_PORT_TYPE_DIAG2: case UHSO_PORT_TYPE_GPS: case UHSO_PORT_TYPE_GPSCTL: case UHSO_PORT_TYPE_CTL: case UHSO_PORT_TYPE_APP: case UHSO_PORT_TYPE_APP2: case UHSO_PORT_TYPE_MODEM: return (UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, port)); case UHSO_PORT_TYPE_MSD: return (0); case UHSO_PORT_TYPE_UNKNOWN: default: return (0); } return (0); } /* * Returns the capabilities of interfaces for devices that don't * support the automatic query. * Returns a bit mask with the interface capabilities. */ static int uhso_probe_iface_static(struct usb_device *udev, int index) { struct usb_config_descriptor *cd; cd = usbd_get_config_descriptor(udev); if (cd->bNumInterface <= 3) { /* Cards with 3 or less interfaces */ switch (index) { case 0: return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, UHSO_PORT_TYPE_NETWORK); case 1: return UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); case 2: return UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); } } else { /* Cards with 4 interfaces */ switch (index) { case 0: return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, UHSO_PORT_TYPE_NETWORK); case 1: return UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG2); case 2: return UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); case 3: return UHSO_IFACE_SPEC(UHSO_IF_BULK, UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); } } return (0); } /* * Probes an interface for its particular capabilities and attaches if * it's a supported interface. */ static int uhso_probe_iface(struct uhso_softc *sc, int index, int (*probe)(struct usb_device *, int)) { struct usb_interface *iface; int type, error; UHSO_DPRINTF(1, "Probing for interface %d, probe_func=%p\n", index, probe); type = probe(sc->sc_udev, index); UHSO_DPRINTF(1, "Probe result %x\n", type); if (type <= 0) return (ENXIO); sc->sc_type = type; iface = usbd_get_iface(sc->sc_udev, index); if (UHSO_IFACE_PORT_TYPE(type) == UHSO_PORT_TYPE_NETWORK) { error = uhso_attach_ifnet(sc, iface, type); if (error) { UHSO_DPRINTF(1, "uhso_attach_ifnet failed"); return (ENXIO); } /* * If there is an additional interrupt endpoint on this * interface then we most likely have a multiplexed serial port * available. */ if (iface->idesc->bNumEndpoints < 3) { sc->sc_type = UHSO_IFACE_SPEC( UHSO_IFACE_USB_TYPE(type) & ~UHSO_IF_MUX, UHSO_IFACE_PORT(type) & ~UHSO_PORT_SERIAL, UHSO_IFACE_PORT_TYPE(type)); return (0); } UHSO_DPRINTF(1, "Trying to attach mux. serial\n"); error = uhso_attach_muxserial(sc, iface, type); if (error == 0 && sc->sc_ttys > 0) { error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); if (error) { device_printf(sc->sc_dev, "ucom_attach failed\n"); return (ENXIO); } ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); mtx_lock(&sc->sc_mtx); usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); mtx_unlock(&sc->sc_mtx); } } else if ((UHSO_IFACE_USB_TYPE(type) & UHSO_IF_BULK) && UHSO_IFACE_PORT(type) & UHSO_PORT_SERIAL) { error = uhso_attach_bulkserial(sc, iface, type); if (error) return (ENXIO); error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); if (error) { device_printf(sc->sc_dev, "ucom_attach failed\n"); return (ENXIO); } ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); } else { UHSO_DPRINTF(0, "Unknown type %x\n", type); return (ENXIO); } return (0); } static int uhso_radio_ctrl(struct uhso_softc *sc, int onoff) { struct usb_device_request req; usb_error_t uerr; req.bmRequestType = UT_VENDOR; req.bRequest = onoff ? 0x82 : 0x81; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); uerr = usbd_do_request(sc->sc_udev, NULL, &req, NULL); if (uerr != 0) { device_printf(sc->sc_dev, "usbd_do_request_flags failed: %s\n", usbd_errstr(uerr)); return (-1); } return (onoff); } static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS) { struct uhso_softc *sc = arg1; int error, radio; radio = sc->sc_radio; error = sysctl_handle_int(oidp, &radio, 0, req); if (error) return (error); if (radio != sc->sc_radio) { radio = radio != 0 ? 1 : 0; error = uhso_radio_ctrl(sc, radio); if (error != -1) sc->sc_radio = radio; } return (0); } /* * Expands allocated memory to fit an additional TTY. * Two arrays are kept with matching indexes, one for ucom and one * for our private data. */ static int uhso_alloc_tty(struct uhso_softc *sc) { sc->sc_ttys++; sc->sc_tty = reallocf(sc->sc_tty, sizeof(struct uhso_tty) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); if (sc->sc_tty == NULL) return (-1); sc->sc_ucom = reallocf(sc->sc_ucom, sizeof(struct ucom_softc) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); if (sc->sc_ucom == NULL) return (-1); sc->sc_tty[sc->sc_ttys - 1].ht_sc = sc; UHSO_DPRINTF(1, "Allocated TTY %d\n", sc->sc_ttys - 1); return (sc->sc_ttys - 1); } /* * Attach a multiplexed serial port * Data is read/written with requests on the default control pipe. An interrupt * endpoint returns when there is new data to be read. */ static int uhso_attach_muxserial(struct uhso_softc *sc, struct usb_interface *iface, int type) { struct usb_descriptor *desc; int i, port, tty; usb_error_t uerr; /* * The class specific interface (type 0x24) descriptor subtype field * contains a bitmask that specifies which (and how many) ports that * are available through this multiplexed serial port. */ desc = usbd_find_descriptor(sc->sc_udev, NULL, iface->idesc->bInterfaceNumber, UDESC_CS_INTERFACE, 0xff, 0, 0); if (desc == NULL) { UHSO_DPRINTF(0, "Failed to find UDESC_CS_INTERFACE\n"); return (ENXIO); } UHSO_DPRINTF(1, "Mux port mask %x\n", desc->bDescriptorSubtype); if (desc->bDescriptorSubtype == 0) return (ENXIO); /* * The bitmask is one octet, loop through the number of * bits that are set and create a TTY for each. */ for (i = 0; i < 8; i++) { port = (1 << i); if ((port & desc->bDescriptorSubtype) == port) { UHSO_DPRINTF(2, "Found mux port %x (%d)\n", port, i); tty = uhso_alloc_tty(sc); if (tty < 0) return (ENOMEM); sc->sc_tty[tty].ht_muxport = i; uerr = usbd_transfer_setup(sc->sc_udev, &sc->sc_iface_index, sc->sc_tty[tty].ht_xfer, uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); if (uerr) { device_printf(sc->sc_dev, "Failed to setup control pipe: %s\n", usbd_errstr(uerr)); return (ENXIO); } } } /* Setup the intr. endpoint */ uerr = usbd_transfer_setup(sc->sc_udev, &iface->idesc->bInterfaceNumber, sc->sc_xfer, uhso_mux_config, 1, sc, &sc->sc_mtx); if (uerr) return (ENXIO); return (0); } /* * 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 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 uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct uhso_tty *ht; struct usb_page_cache *pc; struct usb_device_request req; int actlen; struct usb_page_search res; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); ht = usbd_xfer_get_priv(xfer); UHSO_DPRINTF(3, "status=%d, using mux port %d\n", USB_GET_STATE(xfer), ht->ht_muxport); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n", actlen - sizeof(struct usb_device_request) , ht->ht_muxport); /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: pc = usbd_xfer_get_frame(xfer, 1); if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, 32, &actlen)) { usbd_get_page(pc, 0, &res); memset(&req, 0, sizeof(struct usb_device_request)); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; USETW(req.wValue, 0); USETW(req.wIndex, ht->ht_muxport); USETW(req.wLength, actlen); 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, actlen); usbd_xfer_set_frames(xfer, 2); UHSO_DPRINTF(3, "Prepared %d bytes for transmit " "on muxport %d\n", actlen, ht->ht_muxport); 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 uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, int type) { usb_error_t uerr; int tty; /* Try attaching RD/WR/INTR first */ uerr = usbd_transfer_setup(sc->sc_udev, &iface->idesc->bInterfaceNumber, sc->sc_xfer, uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); if (uerr) { /* Try only RD/WR */ uerr = usbd_transfer_setup(sc->sc_udev, &iface->idesc->bInterfaceNumber, sc->sc_xfer, uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); } if (uerr) { UHSO_DPRINTF(0, "usbd_transfer_setup failed"); return (-1); } tty = uhso_alloc_tty(sc); if (tty < 0) { usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); return (ENOMEM); } sc->sc_tty[tty].ht_muxport = -1; return (0); } static void uhso_bs_read_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: pc = usbd_xfer_get_frame(xfer, 0); ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); /* 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 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 uhso_bs_cfg(struct uhso_softc *sc) { struct usb_device_request req; usb_error_t uerr; if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) return; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_CONTROL_LINE_STATE; USETW(req.wValue, sc->sc_line); USETW(req.wIndex, sc->sc_iface_no); USETW(req.wLength, 0); uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); if (uerr != 0) { device_printf(sc->sc_dev, "failed to set ctrl line state to " "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); } } 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; } } static void uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) { struct uhso_softc *sc = ucom->sc_parent; *lsr = sc->sc_lsr; *msr = sc->sc_msr; } static void uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) { struct uhso_softc *sc = ucom->sc_parent; if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) return; if (onoff) sc->sc_line |= UCDC_LINE_DTR; else sc->sc_line &= ~UCDC_LINE_DTR; uhso_bs_cfg(sc); } static void uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) { struct uhso_softc *sc = ucom->sc_parent; if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) return; if (onoff) sc->sc_line |= UCDC_LINE_RTS; else sc->sc_line &= ~UCDC_LINE_RTS; uhso_bs_cfg(sc); } static void uhso_ucom_start_read(struct ucom_softc *ucom) { struct uhso_softc *sc = ucom->sc_parent; UHSO_DPRINTF(3, "unit=%d, subunit=%d\n", ucom->sc_super->sc_unit, ucom->sc_subunit); if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { sc->sc_tty[ucom->sc_subunit].ht_open = 1; usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); } else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { sc->sc_tty[0].ht_open = 1; usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); } } static void uhso_ucom_stop_read(struct ucom_softc *ucom) { struct uhso_softc *sc = ucom->sc_parent; if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { sc->sc_tty[ucom->sc_subunit].ht_open = 0; usbd_transfer_stop( sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_READ]); } else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { sc->sc_tty[0].ht_open = 0; usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); } } static void uhso_ucom_start_write(struct ucom_softc *ucom) { struct uhso_softc *sc = ucom->sc_parent; if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_subunit); usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); usbd_xfer_set_priv( sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE], &sc->sc_tty[ucom->sc_subunit]); usbd_transfer_start( sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); } else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); } } static void uhso_ucom_stop_write(struct ucom_softc *ucom) { struct uhso_softc *sc = ucom->sc_parent; if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { usbd_transfer_stop( sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); } else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); } } static int uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) { struct ifnet *ifp; usb_error_t uerr; struct sysctl_ctx_list *sctx; struct sysctl_oid *soid; unsigned int devunit; uerr = usbd_transfer_setup(sc->sc_udev, &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); if (uerr) { UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", usbd_errstr(uerr)); return (-1); } sc->sc_ifp = ifp = if_alloc(IFT_OTHER); if (sc->sc_ifp == NULL) { device_printf(sc->sc_dev, "if_alloc() failed\n"); return (-1); } callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); mtx_lock(&sc->sc_mtx); callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); mtx_unlock(&sc->sc_mtx); /* * We create our own unit numbers for ifnet devices because the * USB interface unit numbers can be at arbitrary positions yielding * odd looking device names. */ devunit = alloc_unr(uhso_ifnet_unit); if_initname(ifp, device_get_name(sc->sc_dev), devunit); ifp->if_mtu = UHSO_MAX_MTU; ifp->if_ioctl = uhso_if_ioctl; ifp->if_init = uhso_if_init; ifp->if_start = uhso_if_start; ifp->if_output = uhso_if_output; ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; ifp->if_softc = sc; 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); sctx = device_get_sysctl_ctx(sc->sc_dev); soid = device_get_sysctl_tree(sc->sc_dev); /* Unlocked read... */ SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); return (0); } 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); if (mbufq_full(&sc->sc_rxq)) break; m = m_getcl(M_NOWAIT, 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 */ mbufq_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; } } /* * Deferred RX processing, called with mutex locked. * * Each frame we receive might contain several small ip-packets as well * as partial ip-packets. We need to separate/assemble them into individual * packets before sending them to the ip-layer. */ static void uhso_if_rxflush(void *arg) { struct epoch_tracker et; struct uhso_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; uint8_t *cp; struct mbuf *m, *m0, *mwait; struct ip *ip; #ifdef INET6 struct ip6_hdr *ip6; #endif uint16_t iplen; int isr; m = NULL; mwait = sc->sc_mwait; NET_EPOCH_ENTER(et); for (;;) { if (m == NULL) { if ((m = mbufq_dequeue(&sc->sc_rxq)) == NULL) break; UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); } mtx_unlock(&sc->sc_mtx); /* Do we have a partial packet waiting? */ if (mwait != NULL) { m0 = mwait; mwait = NULL; UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", m0, m0->m_len, m, m->m_len); m_catpkt(m0, m); m = m_pullup(m0, sizeof(struct ip)); if (m == NULL) { if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); UHSO_DPRINTF(0, "m_pullup failed\n"); mtx_lock(&sc->sc_mtx); continue; } UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", m, m->m_pkthdr.len); } cp = mtod(m, uint8_t *); ip = (struct ip *)cp; #ifdef INET6 ip6 = (struct ip6_hdr *)cp; #endif /* Check for IPv4 */ if (ip->ip_v == IPVERSION) { iplen = htons(ip->ip_len); isr = NETISR_IP; } #ifdef INET6 /* Check for IPv6 */ else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { iplen = htons(ip6->ip6_plen); isr = NETISR_IPV6; } #endif else { UHSO_DPRINTF(0, "got unexpected ip version %d, " "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); UHSO_HEXDUMP(cp, 4); m_freem(m); m = NULL; mtx_lock(&sc->sc_mtx); continue; } if (iplen == 0) { UHSO_DPRINTF(0, "Zero IP length\n"); if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); m_freem(m); m = NULL; mtx_lock(&sc->sc_mtx); continue; } UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", m, m->m_pkthdr.len, cp, iplen); m0 = NULL; /* More IP packets in this mbuf */ if (iplen < m->m_pkthdr.len) { m0 = m; /* * Allocate a new mbuf for this IP packet and * copy the IP-packet into it. */ m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR); memcpy(mtod(m, uint8_t *), mtod(m0, uint8_t *), iplen); m->m_pkthdr.len = m->m_len = iplen; /* Adjust the size of the original mbuf */ m_adj(m0, iplen); m0 = m_defrag(m0, M_WAITOK); UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, m0, m0->m_pkthdr.len, m0->m_len); } else if (iplen > m->m_pkthdr.len) { UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", m, m->m_pkthdr.len); mwait = m; m = NULL; mtx_lock(&sc->sc_mtx); continue; } if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); m->m_pkthdr.rcvif = ifp; /* Dispatch to IP layer */ BPF_MTAP(sc->sc_ifp, m); M_SETFIB(m, ifp->if_fib); netisr_dispatch(isr, m); m = m0 != NULL ? m0 : NULL; mtx_lock(&sc->sc_mtx); } NET_EPOCH_EXIT(et); sc->sc_mwait = mwait; } static void uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhso_softc *sc = usbd_xfer_softc(xfer); struct ifnet *ifp = sc->sc_ifp; struct usb_page_cache *pc; struct mbuf *m; 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_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; case USB_ST_SETUP: tr_setup: IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; ifp->if_drv_flags |= IFF_DRV_OACTIVE; if (m->m_pkthdr.len > MCLBYTES) m->m_pkthdr.len = MCLBYTES; usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); pc = usbd_xfer_get_frame(xfer, 0); usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); usbd_transfer_submit(xfer); BPF_MTAP(ifp, m); m_freem(m); 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 uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct uhso_softc *sc; sc = ifp->if_softc; switch (cmd) { case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { uhso_if_init(sc); } } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { mtx_lock(&sc->sc_mtx); uhso_if_stop(sc); mtx_unlock(&sc->sc_mtx); } } break; case SIOCSIFADDR: case SIOCADDMULTI: case SIOCDELMULTI: break; default: return (EINVAL); } return (0); } static void uhso_if_init(void *priv) { struct uhso_softc *sc = priv; struct ifnet *ifp = sc->sc_ifp; mtx_lock(&sc->sc_mtx); uhso_if_stop(sc); ifp = sc->sc_ifp; ifp->if_flags |= IFF_UP; ifp->if_drv_flags |= IFF_DRV_RUNNING; mtx_unlock(&sc->sc_mtx); UHSO_DPRINTF(2, "ifnet initialized\n"); } static int uhso_if_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst, struct route *ro) { int error; /* Only IPv4/6 support */ if (dst->sa_family != AF_INET #ifdef INET6 && dst->sa_family != AF_INET6 #endif ) { return (EAFNOSUPPORT); } error = (ifp->if_transmit)(ifp, m0); if (error) { if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); return (ENOBUFS); } if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); return (0); } static void uhso_if_start(struct ifnet *ifp) { struct uhso_softc *sc = ifp->if_softc; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { UHSO_DPRINTF(1, "Not running\n"); return; } mtx_lock(&sc->sc_mtx); usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); mtx_unlock(&sc->sc_mtx); UHSO_DPRINTF(3, "interface started\n"); } static void uhso_if_stop(struct uhso_softc *sc) { usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); } diff --git a/sys/dev/usb/net/usb_ethernet.c b/sys/dev/usb/net/usb_ethernet.c index e1eb2c247b5a..33659049f970 100644 --- a/sys/dev/usb/net/usb_ethernet.c +++ b/sys/dev/usb/net/usb_ethernet.c @@ -1,669 +1,672 @@ /* $FreeBSD$ */ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2009 Andrew Thompson (thompsa@FreeBSD.org) * * 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("$FreeBSD$"); #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 static SYSCTL_NODE(_net, OID_AUTO, ue, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "USB Ethernet parameters"); #define UE_LOCK(_ue) mtx_lock((_ue)->ue_mtx) #define UE_UNLOCK(_ue) mtx_unlock((_ue)->ue_mtx) #define UE_LOCK_ASSERT(_ue, t) mtx_assert((_ue)->ue_mtx, t) MODULE_DEPEND(uether, usb, 1, 1, 1); MODULE_DEPEND(uether, miibus, 1, 1, 1); static struct unrhdr *ueunit; static usb_proc_callback_t ue_attach_post_task; static usb_proc_callback_t ue_promisc_task; static usb_proc_callback_t ue_setmulti_task; static usb_proc_callback_t ue_ifmedia_task; static usb_proc_callback_t ue_tick_task; static usb_proc_callback_t ue_start_task; static usb_proc_callback_t ue_stop_task; static void ue_init(void *); static void ue_start(struct ifnet *); static int ue_ifmedia_upd(struct ifnet *); static void ue_watchdog(void *); /* * Return values: * 0: success * Else: device has been detached */ uint8_t uether_pause(struct usb_ether *ue, unsigned int _ticks) { if (usb_proc_is_gone(&ue->ue_tq)) { /* nothing to do */ return (1); } usb_pause_mtx(ue->ue_mtx, _ticks); return (0); } static void ue_queue_command(struct usb_ether *ue, usb_proc_callback_t *fn, struct usb_proc_msg *t0, struct usb_proc_msg *t1) { struct usb_ether_cfg_task *task; UE_LOCK_ASSERT(ue, MA_OWNED); if (usb_proc_is_gone(&ue->ue_tq)) { return; /* nothing to do */ } /* * NOTE: The task cannot get executed before we drop the * "sc_mtx" mutex. It is safe to update fields in the message * structure after that the message got queued. */ task = (struct usb_ether_cfg_task *) usb_proc_msignal(&ue->ue_tq, t0, t1); /* Setup callback and self pointers */ task->hdr.pm_callback = fn; task->ue = ue; /* * Start and stop must be synchronous! */ if ((fn == ue_start_task) || (fn == ue_stop_task)) usb_proc_mwait(&ue->ue_tq, t0, t1); } struct ifnet * uether_getifp(struct usb_ether *ue) { return (ue->ue_ifp); } struct mii_data * uether_getmii(struct usb_ether *ue) { return (device_get_softc(ue->ue_miibus)); } void * uether_getsc(struct usb_ether *ue) { return (ue->ue_sc); } static int ue_sysctl_parent(SYSCTL_HANDLER_ARGS) { struct usb_ether *ue = arg1; const char *name; name = device_get_nameunit(ue->ue_dev); return SYSCTL_OUT_STR(req, name); } int uether_ifattach(struct usb_ether *ue) { int error; /* check some critical parameters */ if ((ue->ue_dev == NULL) || (ue->ue_udev == NULL) || (ue->ue_mtx == NULL) || (ue->ue_methods == NULL)) return (EINVAL); error = usb_proc_create(&ue->ue_tq, ue->ue_mtx, device_get_nameunit(ue->ue_dev), USB_PRI_MED); if (error) { device_printf(ue->ue_dev, "could not setup taskqueue\n"); goto error; } /* fork rest of the attach code */ UE_LOCK(ue); ue_queue_command(ue, ue_attach_post_task, &ue->ue_sync_task[0].hdr, &ue->ue_sync_task[1].hdr); UE_UNLOCK(ue); error: return (error); } void uether_ifattach_wait(struct usb_ether *ue) { UE_LOCK(ue); usb_proc_mwait(&ue->ue_tq, &ue->ue_sync_task[0].hdr, &ue->ue_sync_task[1].hdr); UE_UNLOCK(ue); } static void ue_attach_post_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; struct ifnet *ifp; int error; char num[14]; /* sufficient for 32 bits */ /* first call driver's post attach routine */ ue->ue_methods->ue_attach_post(ue); UE_UNLOCK(ue); ue->ue_unit = alloc_unr(ueunit); usb_callout_init_mtx(&ue->ue_watchdog, ue->ue_mtx, 0); sysctl_ctx_init(&ue->ue_sysctl_ctx); mbufq_init(&ue->ue_rxq, 0 /* unlimited length */); error = 0; CURVNET_SET_QUIET(vnet0); ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { device_printf(ue->ue_dev, "could not allocate ifnet\n"); goto fail; } ifp->if_softc = ue; if_initname(ifp, "ue", ue->ue_unit); if (ue->ue_methods->ue_attach_post_sub != NULL) { ue->ue_ifp = ifp; error = ue->ue_methods->ue_attach_post_sub(ue); } else { ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; if (ue->ue_methods->ue_ioctl != NULL) ifp->if_ioctl = ue->ue_methods->ue_ioctl; else ifp->if_ioctl = uether_ioctl; ifp->if_start = ue_start; ifp->if_init = ue_init; IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; IFQ_SET_READY(&ifp->if_snd); ue->ue_ifp = ifp; if (ue->ue_methods->ue_mii_upd != NULL && ue->ue_methods->ue_mii_sts != NULL) { /* device_xxx() depends on this */ mtx_lock(&Giant); error = mii_attach(ue->ue_dev, &ue->ue_miibus, ifp, ue_ifmedia_upd, ue->ue_methods->ue_mii_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, 0); mtx_unlock(&Giant); } } if (error) { device_printf(ue->ue_dev, "attaching PHYs failed\n"); goto fail; } if_printf(ifp, " on %s\n", device_get_nameunit(ue->ue_dev)); ether_ifattach(ifp, ue->ue_eaddr); /* Tell upper layer we support VLAN oversized frames. */ if (ifp->if_capabilities & IFCAP_VLAN_MTU) ifp->if_hdrlen = sizeof(struct ether_vlan_header); CURVNET_RESTORE(); snprintf(num, sizeof(num), "%u", ue->ue_unit); ue->ue_sysctl_oid = SYSCTL_ADD_NODE(&ue->ue_sysctl_ctx, &SYSCTL_NODE_CHILDREN(_net, ue), OID_AUTO, num, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, ""); SYSCTL_ADD_PROC(&ue->ue_sysctl_ctx, SYSCTL_CHILDREN(ue->ue_sysctl_oid), OID_AUTO, "%parent", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, ue, 0, ue_sysctl_parent, "A", "parent device"); UE_LOCK(ue); return; fail: CURVNET_RESTORE(); /* drain mbuf queue */ mbufq_drain(&ue->ue_rxq); /* free unit */ free_unr(ueunit, ue->ue_unit); if (ue->ue_ifp != NULL) { if_free(ue->ue_ifp); ue->ue_ifp = NULL; } UE_LOCK(ue); return; } void uether_ifdetach(struct usb_ether *ue) { struct ifnet *ifp; /* wait for any post attach or other command to complete */ usb_proc_drain(&ue->ue_tq); /* read "ifnet" pointer after taskqueue drain */ ifp = ue->ue_ifp; if (ifp != NULL) { /* we are not running any more */ UE_LOCK(ue); ifp->if_drv_flags &= ~IFF_DRV_RUNNING; UE_UNLOCK(ue); /* drain any callouts */ usb_callout_drain(&ue->ue_watchdog); + /* + * Detach ethernet first to stop miibus calls from + * user-space: + */ + ether_ifdetach(ifp); + /* detach miibus */ if (ue->ue_miibus != NULL) { mtx_lock(&Giant); /* device_xxx() depends on this */ device_delete_child(ue->ue_dev, ue->ue_miibus); mtx_unlock(&Giant); } - /* detach ethernet */ - ether_ifdetach(ifp); - /* free interface instance */ if_free(ifp); /* free sysctl */ sysctl_ctx_free(&ue->ue_sysctl_ctx); /* drain mbuf queue */ mbufq_drain(&ue->ue_rxq); /* free unit */ free_unr(ueunit, ue->ue_unit); } /* free taskqueue, if any */ usb_proc_free(&ue->ue_tq); } uint8_t uether_is_gone(struct usb_ether *ue) { return (usb_proc_is_gone(&ue->ue_tq)); } void uether_init(void *arg) { ue_init(arg); } static void ue_init(void *arg) { struct usb_ether *ue = arg; UE_LOCK(ue); ue_queue_command(ue, ue_start_task, &ue->ue_sync_task[0].hdr, &ue->ue_sync_task[1].hdr); UE_UNLOCK(ue); } static void ue_start_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; struct ifnet *ifp = ue->ue_ifp; UE_LOCK_ASSERT(ue, MA_OWNED); ue->ue_methods->ue_init(ue); if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; if (ue->ue_methods->ue_tick != NULL) usb_callout_reset(&ue->ue_watchdog, hz, ue_watchdog, ue); } static void ue_stop_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; UE_LOCK_ASSERT(ue, MA_OWNED); usb_callout_stop(&ue->ue_watchdog); ue->ue_methods->ue_stop(ue); } void uether_start(struct ifnet *ifp) { ue_start(ifp); } static void ue_start(struct ifnet *ifp) { struct usb_ether *ue = ifp->if_softc; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; UE_LOCK(ue); ue->ue_methods->ue_start(ue); UE_UNLOCK(ue); } static void ue_promisc_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; ue->ue_methods->ue_setpromisc(ue); } static void ue_setmulti_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; ue->ue_methods->ue_setmulti(ue); } int uether_ifmedia_upd(struct ifnet *ifp) { return (ue_ifmedia_upd(ifp)); } static int ue_ifmedia_upd(struct ifnet *ifp) { struct usb_ether *ue = ifp->if_softc; /* Defer to process context */ UE_LOCK(ue); ue_queue_command(ue, ue_ifmedia_task, &ue->ue_media_task[0].hdr, &ue->ue_media_task[1].hdr); UE_UNLOCK(ue); return (0); } static void ue_ifmedia_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; struct ifnet *ifp = ue->ue_ifp; ue->ue_methods->ue_mii_upd(ifp); } static void ue_watchdog(void *arg) { struct usb_ether *ue = arg; struct ifnet *ifp = ue->ue_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; ue_queue_command(ue, ue_tick_task, &ue->ue_tick_task[0].hdr, &ue->ue_tick_task[1].hdr); usb_callout_reset(&ue->ue_watchdog, hz, ue_watchdog, ue); } static void ue_tick_task(struct usb_proc_msg *_task) { struct usb_ether_cfg_task *task = (struct usb_ether_cfg_task *)_task; struct usb_ether *ue = task->ue; struct ifnet *ifp = ue->ue_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) return; ue->ue_methods->ue_tick(ue); } int uether_ioctl(struct ifnet *ifp, u_long command, caddr_t data) { struct usb_ether *ue = ifp->if_softc; struct ifreq *ifr = (struct ifreq *)data; struct mii_data *mii; int error = 0; switch (command) { case SIOCSIFFLAGS: UE_LOCK(ue); if (ifp->if_flags & IFF_UP) { if (ifp->if_drv_flags & IFF_DRV_RUNNING) ue_queue_command(ue, ue_promisc_task, &ue->ue_promisc_task[0].hdr, &ue->ue_promisc_task[1].hdr); else ue_queue_command(ue, ue_start_task, &ue->ue_sync_task[0].hdr, &ue->ue_sync_task[1].hdr); } else { ue_queue_command(ue, ue_stop_task, &ue->ue_sync_task[0].hdr, &ue->ue_sync_task[1].hdr); } UE_UNLOCK(ue); break; case SIOCADDMULTI: case SIOCDELMULTI: UE_LOCK(ue); ue_queue_command(ue, ue_setmulti_task, &ue->ue_multi_task[0].hdr, &ue->ue_multi_task[1].hdr); UE_UNLOCK(ue); break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: if (ue->ue_miibus != NULL) { mii = device_get_softc(ue->ue_miibus); error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); } else error = ether_ioctl(ifp, command, data); break; default: error = ether_ioctl(ifp, command, data); break; } return (error); } static int uether_modevent(module_t mod, int type, void *data) { switch (type) { case MOD_LOAD: ueunit = new_unrhdr(0, INT_MAX, NULL); break; case MOD_UNLOAD: break; default: return (EOPNOTSUPP); } return (0); } static moduledata_t uether_mod = { "uether", uether_modevent, 0 }; struct mbuf * uether_newbuf(void) { struct mbuf *m_new; m_new = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); if (m_new == NULL) return (NULL); m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; m_adj(m_new, ETHER_ALIGN); return (m_new); } int uether_rxmbuf(struct usb_ether *ue, struct mbuf *m, unsigned int len) { struct ifnet *ifp = ue->ue_ifp; UE_LOCK_ASSERT(ue, MA_OWNED); /* finalize mbuf */ if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len; /* enqueue for later when the lock can be released */ (void)mbufq_enqueue(&ue->ue_rxq, m); return (0); } int uether_rxbuf(struct usb_ether *ue, struct usb_page_cache *pc, unsigned int offset, unsigned int len) { struct ifnet *ifp = ue->ue_ifp; struct mbuf *m; UE_LOCK_ASSERT(ue, MA_OWNED); if (len < ETHER_HDR_LEN || len > MCLBYTES - ETHER_ALIGN) return (1); m = uether_newbuf(); if (m == NULL) { if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); return (ENOMEM); } usbd_copy_out(pc, offset, mtod(m, uint8_t *), len); /* finalize mbuf */ if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len; /* enqueue for later when the lock can be released */ (void)mbufq_enqueue(&ue->ue_rxq, m); return (0); } void uether_rxflush(struct usb_ether *ue) { struct ifnet *ifp = ue->ue_ifp; struct epoch_tracker et; struct mbuf *m, *n; UE_LOCK_ASSERT(ue, MA_OWNED); n = mbufq_flush(&ue->ue_rxq); UE_UNLOCK(ue); NET_EPOCH_ENTER(et); while ((m = n) != NULL) { n = STAILQ_NEXT(m, m_stailqpkt); m->m_nextpkt = NULL; ifp->if_input(ifp, m); } NET_EPOCH_EXIT(et); UE_LOCK(ue); } /* * USB net drivers are run by DRIVER_MODULE() thus SI_SUB_DRIVERS, * SI_ORDER_MIDDLE. Run uether after that. */ DECLARE_MODULE(uether, uether_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); MODULE_VERSION(uether, 1);