svn commit: r223864 - in head/sys: conf dev/usb dev/usb/net modules/usb modules/usb/usie

Hans Petter Selasky hselasky at FreeBSD.org
Fri Jul 8 10:58:57 UTC 2011


Author: hselasky
Date: Fri Jul  8 10:58:56 2011
New Revision: 223864
URL: http://svn.freebsd.org/changeset/base/223864

Log:
  Add new USB 3G driver.
  
  Submitted by:	PseudoCylon <moonlightakkiy at yahoo.ca>
  MFC after:	14 days

Added:
  head/sys/dev/usb/net/if_usie.c   (contents, props changed)
  head/sys/dev/usb/net/if_usievar.h   (contents, props changed)
  head/sys/modules/usb/usie/
  head/sys/modules/usb/usie/Makefile   (contents, props changed)
Modified:
  head/sys/conf/files
  head/sys/dev/usb/usbdevs
  head/sys/modules/usb/Makefile

Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files	Fri Jul  8 10:50:13 2011	(r223863)
+++ head/sys/conf/files	Fri Jul  8 10:58:56 2011	(r223864)
@@ -1918,6 +1918,7 @@ dev/usb/net/if_kue.c		optional kue
 dev/usb/net/if_mos.c		optional mos
 dev/usb/net/if_rue.c		optional rue
 dev/usb/net/if_udav.c		optional udav
+dev/usb/net/if_usie.c		optional usie
 dev/usb/net/usb_ethernet.c	optional aue | axe | cdce | cue | kue | mos | \
 					 rue | udav
 dev/usb/net/uhso.c		optional uhso
@@ -1970,8 +1971,8 @@ dev/usb/serial/uvscom.c		optional uvscom
 dev/usb/serial/usb_serial.c 	optional ucom | u3g | uark | ubsa | ubser | \
 					 uchcom | ucycom | ufoma | uftdi | \
 					 ugensa | uipaq | umcs | umct | \
-					 umodem | umoscom | uplcom | uslcom | \
-					 uvisor | uvscom
+					 umodem | umoscom | uplcom | usie | \
+					 uslcom | uvisor | uvscom
 #
 # USB misc drivers
 #

Added: head/sys/dev/usb/net/if_usie.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/usb/net/if_usie.c	Fri Jul  8 10:58:56 2011	(r223864)
@@ -0,0 +1,1587 @@
+/*-
+ * Copyright (c) 2011 Anybots Inc
+ * written by Akinori Furukoshi <moonlightakkiy at yahoo.ca>
+ * reviewed by Hans Petter Selasky <hselasky at freebsd.org>
+ *  - 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/queue.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include <sys/module.h>
+#include <sys/sockio.h>
+#include <sys/socket.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+#include <sys/sysctl.h>
+#include <sys/malloc.h>
+#include <sys/taskqueue.h>
+
+#include <machine/bus.h>
+
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/netisr.h>
+#include <net/bpf.h>
+#include <net/ethernet.h>
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/udp.h>
+
+#include <net80211/ieee80211_ioctl.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usb_cdc.h>
+#include "usbdevs.h"
+
+#define	USB_DEBUG_VAR usie_debug
+#include <dev/usb/usb_debug.h>
+#include <dev/usb/usb_process.h>
+#include <dev/usb/usb_msctest.h>
+
+#include <dev/usb/serial/usb_serial.h>
+
+#include <dev/usb/net/if_usievar.h>
+
+#ifdef	USB_DEBUG
+static int usie_debug = 0;
+
+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_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 *, 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),
+	{0, 0}
+};
+
+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,
+};
+
+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);
+
+	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);
+
+	mtx_destroy(&sc->sc_mtx);
+
+	return (0);
+}
+
+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_DONTWAIT, MT_DATA, M_PKTHDR,
+			    MJUMPAGESIZE /* could be bigger than MCLBYTES */ );
+		}
+		if (sc->sc_rxm == NULL) {
+			DPRINTF("could not allocate Rx mbuf\n");
+			ifp->if_ierrors++;
+			usbd_xfer_set_stall(xfer);
+			usbd_xfer_set_frames(xfer, 0);
+		} else {
+			/*
+			 * Directly loading a mbuf cluster into DMA to
+			 * save some data copying. This works because
+			 * there is only one cluster.
+			 */
+			usbd_xfer_set_frame_data(xfer, 0,
+			    mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX));
+			usbd_xfer_set_frames(xfer, 1);
+		}
+		usbd_transfer_submit(xfer);
+		break;
+
+	default:			/* Error */
+		DPRINTF("USB transfer error, %s\n", usbd_errstr(error));
+
+		if (error != USB_ERR_CANCELLED) {
+			/* try to clear stall first */
+			usbd_xfer_set_stall(xfer);
+			ifp->if_ierrors++;
+			goto tr_setup;
+		}
+		if (sc->sc_rxm != NULL) {
+			m_freem(sc->sc_rxm);
+			sc->sc_rxm = NULL;
+		}
+		break;
+	}
+
+	if (m == NULL)
+		return;
+
+	mtx_unlock(&sc->sc_mtx);
+
+	m->m_pkthdr.len = m->m_len = actlen;
+
+	err = pkt = 0;
+
+	/* HW can aggregate multiple frames in a single USB xfer */
+	for (;;) {
+		rxd = mtod(m, struct usie_desc *);
+
+		len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK;
+		pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0;
+		ipl = (len - pad - ETHER_HDR_LEN);
+		if (ipl >= len) {
+			DPRINTF("Corrupt frame\n");
+			m_freem(m);
+			break;
+		}
+		diff = sizeof(struct usie_desc) + ipl + pad;
+
+		if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) ||
+		    (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) {
+			DPRINTF("received wrong type of packet\n");
+			m->m_data += diff;
+			m->m_pkthdr.len = (m->m_len -= diff);
+			err++;
+			if (m->m_pkthdr.len > 0)
+				continue;
+			m_freem(m);
+			break;
+		}
+		switch (be16toh(rxd->ethhdr.ether_type)) {
+		case ETHERTYPE_IP:
+			ipv = NETISR_IP;
+			break;
+#ifdef INET6
+		case ETHERTYPE_IPV6:
+			ipv = NETISR_IPV6;
+			break;
+#endif
+		default:
+			DPRINTF("unsupported ether type\n");
+			err++;
+			break;
+		}
+
+		/* the last packet */
+		if (m->m_pkthdr.len <= diff) {
+			m->m_data += (sizeof(struct usie_desc) + pad);
+			m->m_pkthdr.len = m->m_len = ipl;
+			m->m_pkthdr.rcvif = ifp;
+			BPF_MTAP(sc->sc_ifp, m);
+			netisr_dispatch(ipv, m);
+			break;
+		}
+		/* copy aggregated frames to another mbuf */
+		m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
+		if (__predict_false(m0 == NULL)) {
+			DPRINTF("could not allocate mbuf\n");
+			err++;
+			m_freem(m);
+			break;
+		}
+		m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t));
+		m0->m_pkthdr.rcvif = ifp;
+		m0->m_pkthdr.len = m0->m_len = ipl;
+
+		BPF_MTAP(sc->sc_ifp, m0);
+		netisr_dispatch(ipv, m0);
+
+		m->m_data += diff;
+		m->m_pkthdr.len = (m->m_len -= diff);
+	}
+
+	mtx_lock(&sc->sc_mtx);
+
+	ifp->if_ierrors += err;
+	ifp->if_ipackets += pkt;
+}
+
+static void
+usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+	struct usie_softc *sc = usbd_xfer_softc(xfer);
+	struct usb_page_cache *pc;
+	struct ifnet *ifp = sc->sc_ifp;
+	struct mbuf *m;
+	uint16_t size;
+
+	switch (USB_GET_STATE(xfer)) {
+	case USB_ST_TRANSFERRED:
+		DPRINTFN(11, "transfer complete\n");
+		ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+		ifp->if_opackets++;
+
+		/* fall though */
+	case USB_ST_SETUP:
+tr_setup:
+
+		if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
+			break;
+
+		IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
+		if (m == NULL)
+			break;
+
+		if (m->m_pkthdr.len > (MCLBYTES - ETHER_HDR_LEN +
+		    ETHER_CRC_LEN - sizeof(sc->sc_txd))) {
+			DPRINTF("packet len is too big: %d\n",
+			    m->m_pkthdr.len);
+			break;
+		}
+		pc = usbd_xfer_get_frame(xfer, 0);
+
+		sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len +
+		    ETHER_HDR_LEN + ETHER_CRC_LEN);
+		size = sizeof(sc->sc_txd);
+
+		usbd_copy_in(pc, 0, &sc->sc_txd, size);
+		usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len);
+		usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len +
+		    size + ETHER_CRC_LEN);
+
+		BPF_MTAP(ifp, m);
+
+		m_freem(m);
+
+		usbd_transfer_submit(xfer);
+		break;
+
+	default:			/* Error */
+		DPRINTF("USB transfer error, %s\n",
+		    usbd_errstr(error));
+		ifp->if_oerrors++;
+
+		if (error != USB_ERR_CANCELLED) {
+			usbd_xfer_set_stall(xfer);
+			ifp->if_ierrors++;
+			goto tr_setup;
+		}
+		break;
+	}
+}
+
+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);

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***


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