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-rw-r--r--sys/dev/usb/files.usb7
-rw-r--r--sys/dev/usb/if_cdce.c759
-rw-r--r--sys/dev/usb/if_cdcereg.h85
3 files changed, 850 insertions, 1 deletions
diff --git a/sys/dev/usb/files.usb b/sys/dev/usb/files.usb
index 73fb005e0cd..5251509974c 100644
--- a/sys/dev/usb/files.usb
+++ b/sys/dev/usb/files.usb
@@ -1,4 +1,4 @@
-# $OpenBSD: files.usb,v 1.35 2004/04/02 01:10:09 deraadt Exp $
+# $OpenBSD: files.usb,v 1.36 2004/07/20 20:30:09 dhartmei Exp $
# $NetBSD: files.usb,v 1.16 2000/02/14 20:29:54 augustss Exp $
#
# Config file and device description for machine-independent USB code.
@@ -140,6 +140,11 @@ device kue: ether, ifnet, ifmedia
attach kue at uhub
file dev/usb/if_kue.c kue
+# CDC Ethernet
+device cdce: ether, ifnet, ifmedia
+attach cdce at uhub
+file dev/usb/if_cdce.c cdce
+
# Prolific PL2302 host-host
device upl: ifnet
attach upl at uhub
diff --git a/sys/dev/usb/if_cdce.c b/sys/dev/usb/if_cdce.c
new file mode 100644
index 00000000000..2aa85deede4
--- /dev/null
+++ b/sys/dev/usb/if_cdce.c
@@ -0,0 +1,759 @@
+/* $OpenBSD: if_cdce.c,v 1.1 2004/07/20 20:30:09 dhartmei Exp $ */
+
+/*
+ * Copyright (c) 1997, 1998, 1999, 2000-2003 Bill Paul <wpaul@windriver.com>
+ * Copyright (c) 2003 Craig Boston
+ * Copyright (c) 2004 Daniel Hartmeier
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul, THE VOICES IN HIS HEAD OR
+ * THE 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.
+ */
+
+/*
+ * USB Communication Device Class (Ethernet Networking Control Model)
+ * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
+ *
+ */
+
+#include <bpfilter.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/device.h>
+#include <sys/proc.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
+#endif
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/usbcdc.h>
+
+#include <dev/usb/if_cdcereg.h>
+
+Static void *cdce_get_desc(usbd_device_handle dev, int type, int subtype);
+Static int cdce_tx_list_init(struct cdce_softc *);
+Static int cdce_rx_list_init(struct cdce_softc *);
+Static int cdce_newbuf(struct cdce_softc *, struct cdce_chain *,
+ struct mbuf *);
+Static int cdce_encap(struct cdce_softc *, struct mbuf *, int);
+Static void cdce_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+Static void cdce_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+Static void cdce_start(struct ifnet *);
+Static int cdce_ioctl(struct ifnet *, u_long, caddr_t);
+Static void cdce_init(void *);
+Static void cdce_watchdog(struct ifnet *);
+Static void cdce_stop(struct cdce_softc *);
+
+Static const struct cdce_type cdce_devs[] = {
+ {{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2501 }, CDCE_NO_UNION },
+ {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SL5500 }, CDCE_ZAURUS },
+ {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_A300 }, CDCE_ZAURUS | CDCE_NO_UNION },
+ {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SL5600 }, CDCE_ZAURUS | CDCE_NO_UNION },
+ {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_C700 }, CDCE_ZAURUS | CDCE_NO_UNION },
+ {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_C750 }, CDCE_ZAURUS | CDCE_NO_UNION },
+};
+#define cdce_lookup(v, p) ((const struct cdce_type *)usb_lookup(cdce_devs, v, p))
+
+USB_DECLARE_DRIVER_CLASS(cdce, DV_IFNET);
+
+USB_MATCH(cdce)
+{
+ USB_MATCH_START(cdce, uaa);
+ usb_interface_descriptor_t *id;
+
+ if (uaa->iface == NULL)
+ return (UMATCH_NONE);
+
+ id = usbd_get_interface_descriptor(uaa->iface);
+ if (id == NULL)
+ return (UMATCH_NONE);
+
+ if (cdce_lookup(uaa->vendor, uaa->product) != NULL)
+ return (UMATCH_VENDOR_PRODUCT);
+
+ if (id->bInterfaceClass == UICLASS_CDC && id->bInterfaceSubClass ==
+ UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL)
+ return (UMATCH_IFACECLASS_GENERIC);
+
+ return (UMATCH_NONE);
+}
+
+USB_ATTACH(cdce)
+{
+ USB_ATTACH_START(cdce, sc, uaa);
+ char devinfo[1024];
+ int s;
+ struct ifnet *ifp;
+ usbd_device_handle dev = uaa->device;
+ const struct cdce_type *t;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ usb_cdc_union_descriptor_t *ud;
+ int data_ifcno;
+ u_int16_t macaddr_hi;
+ int i;
+
+ usbd_devinfo(dev, 0, devinfo, sizeof devinfo);
+ USB_ATTACH_SETUP;
+ printf("%s: %s\n", USBDEVNAME(sc->cdce_dev), devinfo);
+
+ sc->cdce_udev = uaa->device;
+ sc->cdce_ctl_iface = uaa->iface;
+
+ t = cdce_lookup(uaa->vendor, uaa->product);
+ if (t)
+ sc->cdce_flags = t->cdce_flags;
+
+ if (sc->cdce_flags & CDCE_NO_UNION)
+ sc->cdce_data_iface = sc->cdce_ctl_iface;
+ else {
+ ud = cdce_get_desc(sc->cdce_udev, UDESC_CS_INTERFACE,
+ UDESCSUB_CDC_UNION);
+ if (ud == NULL) {
+ printf("%s: no union descriptor\n",
+ USBDEVNAME(sc->cdce_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+ data_ifcno = ud->bSlaveInterface[0];
+
+ for (i = 0; i < uaa->nifaces; i++) {
+ if (uaa->ifaces[i] != NULL) {
+ id = usbd_get_interface_descriptor(
+ uaa->ifaces[i]);
+ if (id != NULL && id->bInterfaceNumber ==
+ data_ifcno) {
+ sc->cdce_data_iface = uaa->ifaces[i];
+ uaa->ifaces[i] = NULL;
+ }
+ }
+ }
+ }
+
+ if (sc->cdce_data_iface == NULL) {
+ printf("%s: no data interface\n", USBDEVNAME(sc->cdce_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ /* Find endpoints. */
+ id = usbd_get_interface_descriptor(sc->cdce_data_iface);
+ sc->cdce_bulkin_no = sc->cdce_bulkout_no = -1;
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ ed = usbd_interface2endpoint_descriptor(sc->cdce_data_iface, i);
+ if (!ed) {
+ printf("%s: could not read endpoint descriptor\n",
+ USBDEVNAME(sc->cdce_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->cdce_bulkin_no = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->cdce_bulkout_no = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
+ /* XXX: CDC spec defines an interrupt pipe, but it is not
+ * needed for simple host-to-host applications. */
+ } else {
+ printf("%s: unexpected endpoint\n",
+ USBDEVNAME(sc->cdce_dev));
+ }
+ }
+
+ if (sc->cdce_bulkin_no == -1) {
+ printf("%s: could not find data bulk in\n",
+ USBDEVNAME(sc->cdce_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+ if (sc->cdce_bulkout_no == -1 ) {
+ printf("%s: could not find data bulk out\n",
+ USBDEVNAME(sc->cdce_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ s = splnet();
+
+ macaddr_hi = htons(0x2acb);
+ bcopy(&macaddr_hi, &sc->cdce_arpcom.ac_enaddr[0], sizeof(u_int16_t));
+ bcopy(&ticks, &sc->cdce_arpcom.ac_enaddr[2], sizeof(u_int32_t));
+ sc->cdce_arpcom.ac_enaddr[5] = (u_int8_t)(sc->cdce_unit);
+
+ printf("%s: address %s\n", USBDEVNAME(sc->cdce_dev),
+ ether_sprintf(sc->cdce_arpcom.ac_enaddr));
+
+ ifp = GET_IFP(sc);
+ ifp->if_softc = sc;
+ ifp->if_mtu = ETHERMTU;
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_ioctl = cdce_ioctl;
+ ifp->if_start = cdce_start;
+ ifp->if_watchdog = cdce_watchdog;
+ strncpy(ifp->if_xname, USBDEVNAME(sc->cdce_dev), IFNAMSIZ);
+
+ IFQ_SET_READY(&ifp->if_snd);
+
+ if_attach(ifp);
+ Ether_ifattach(ifp, sc->cdce_arpcom.ac_enaddr);
+
+ sc->cdce_attached = 1;
+ splx(s);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cdce_udev,
+ USBDEV(sc->cdce_dev));
+
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+USB_DETACH(cdce)
+{
+ USB_DETACH_START(cdce, sc);
+ struct ifnet *ifp = GET_IFP(sc);
+ int s;
+
+ s = splusb();
+
+ if (!sc->cdce_attached) {
+ splx(s);
+ return (0);
+ }
+
+ if (ifp->if_flags & IFF_RUNNING)
+ cdce_stop(sc);
+
+ ether_ifdetach(ifp);
+
+ if_detach(ifp);
+
+ sc->cdce_attached = 0;
+ splx(s);
+
+ return (0);
+}
+
+Static void
+cdce_start(struct ifnet *ifp)
+{
+ struct cdce_softc *sc = ifp->if_softc;
+ struct mbuf *m_head = NULL;
+
+ if (sc->cdce_dying || (ifp->if_flags & IFF_OACTIVE))
+ return;
+
+ IFQ_POLL(&ifp->if_snd, m_head);
+ if (m_head == NULL)
+ return;
+
+ if (cdce_encap(sc, m_head, 0)) {
+ ifp->if_flags |= IFF_OACTIVE;
+ return;
+ }
+
+ IFQ_DEQUEUE(&ifp->if_snd, m_head);
+
+#if NBPFILTER > 0
+ if (ifp->if_bpf)
+ BPF_MTAP(ifp, m_head);
+#endif
+
+ ifp->if_flags |= IFF_OACTIVE;
+
+ ifp->if_timer = 6;
+}
+
+Static int
+cdce_encap(struct cdce_softc *sc, struct mbuf *m, int idx)
+{
+ struct cdce_chain *c;
+ usbd_status err;
+ int extra = 0;
+
+ c = &sc->cdce_cdata.cdce_tx_chain[idx];
+
+ m_copydata(m, 0, m->m_pkthdr.len, c->cdce_buf);
+ if (sc->cdce_flags & CDCE_ZAURUS) {
+ /* Zaurus wants a 32-bit CRC appended to every frame */
+ u_int32_t crc;
+
+ crc = ether_crc32_le(c->cdce_buf, m->m_pkthdr.len);
+ bcopy(&crc, c->cdce_buf + m->m_pkthdr.len, 4);
+ extra = 4;
+ }
+ c->cdce_mbuf = m;
+
+ usbd_setup_xfer(c->cdce_xfer, sc->cdce_bulkout_pipe, c, c->cdce_buf,
+ m->m_pkthdr.len + extra, USBD_NO_COPY, 10000, cdce_txeof);
+ err = usbd_transfer(c->cdce_xfer);
+ if (err != USBD_IN_PROGRESS) {
+ cdce_stop(sc);
+ return (EIO);
+ }
+
+ sc->cdce_cdata.cdce_tx_cnt++;
+
+ return (0);
+}
+
+Static void
+cdce_stop(struct cdce_softc *sc)
+{
+ usbd_status err;
+ struct ifnet *ifp = GET_IFP(sc);
+ int i;
+
+ ifp->if_timer = 0;
+
+ if (sc->cdce_bulkin_pipe != NULL) {
+ err = usbd_abort_pipe(sc->cdce_bulkin_pipe);
+ if (err)
+ printf("%s: abort rx pipe failed: %s\n",
+ USBDEVNAME(sc->cdce_dev), usbd_errstr(err));
+ err = usbd_close_pipe(sc->cdce_bulkin_pipe);
+ if (err)
+ printf("%s: close rx pipe failed: %s\n",
+ USBDEVNAME(sc->cdce_dev), usbd_errstr(err));
+ sc->cdce_bulkin_pipe = NULL;
+ }
+
+ if (sc->cdce_bulkout_pipe != NULL) {
+ err = usbd_abort_pipe(sc->cdce_bulkout_pipe);
+ if (err)
+ printf("%s: abort tx pipe failed: %s\n",
+ USBDEVNAME(sc->cdce_dev), usbd_errstr(err));
+ err = usbd_close_pipe(sc->cdce_bulkout_pipe);
+ if (err)
+ printf("%s: close tx pipe failed: %s\n",
+ USBDEVNAME(sc->cdce_dev), usbd_errstr(err));
+ sc->cdce_bulkout_pipe = NULL;
+ }
+
+ for (i = 0; i < CDCE_RX_LIST_CNT; i++) {
+ if (sc->cdce_cdata.cdce_rx_chain[i].cdce_mbuf != NULL) {
+ m_freem(sc->cdce_cdata.cdce_rx_chain[i].cdce_mbuf);
+ sc->cdce_cdata.cdce_rx_chain[i].cdce_mbuf = NULL;
+ }
+ if (sc->cdce_cdata.cdce_rx_chain[i].cdce_xfer != NULL) {
+ usbd_free_xfer(sc->cdce_cdata.cdce_rx_chain[i].cdce_xfer);
+ sc->cdce_cdata.cdce_rx_chain[i].cdce_xfer = NULL;
+ }
+ }
+
+ for (i = 0; i < CDCE_TX_LIST_CNT; i++) {
+ if (sc->cdce_cdata.cdce_tx_chain[i].cdce_mbuf != NULL) {
+ m_freem(sc->cdce_cdata.cdce_tx_chain[i].cdce_mbuf);
+ sc->cdce_cdata.cdce_tx_chain[i].cdce_mbuf = NULL;
+ }
+ if (sc->cdce_cdata.cdce_tx_chain[i].cdce_xfer != NULL) {
+ usbd_free_xfer(sc->cdce_cdata.cdce_tx_chain[i].cdce_xfer);
+ sc->cdce_cdata.cdce_tx_chain[i].cdce_xfer = NULL;
+ }
+ }
+
+ ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
+}
+
+Static int
+cdce_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
+{
+ struct cdce_softc *sc = ifp->if_softc;
+ struct ifaddr *ifa = (struct ifaddr *)data;
+ struct ifreq *ifr = (struct ifreq *)data;
+ int s, error = 0;
+
+ if (sc->cdce_dying)
+ return (EIO);
+
+ s = splnet();
+
+ switch(command) {
+ case SIOCSIFADDR:
+ ifp->if_flags |= IFF_UP;
+ cdce_init(sc);
+ switch (ifa->ifa_addr->sa_family) {
+ case AF_INET:
+ arp_ifinit(&sc->cdce_arpcom, ifa);
+ break;
+ }
+ break;
+
+ case SIOCSIFMTU:
+ if (ifr->ifr_mtu > ETHERMTU)
+ error = EINVAL;
+ else
+ ifp->if_mtu = ifr->ifr_mtu;
+ break;
+
+ case SIOCSIFFLAGS:
+ if (ifp->if_flags & IFF_UP) {
+ if (!(ifp->if_flags & IFF_RUNNING))
+ cdce_init(sc);
+ } else {
+ if (ifp->if_flags & IFF_RUNNING)
+ cdce_stop(sc);
+ }
+ error = 0;
+ break;
+
+ default:
+ error = EINVAL;
+ break;
+ }
+
+ splx(s);
+
+ return (error);
+}
+
+Static void
+cdce_watchdog(struct ifnet *ifp)
+{
+ struct cdce_softc *sc = ifp->if_softc;
+
+ if (sc->cdce_dying)
+ return;
+
+ ifp->if_oerrors++;
+ printf("%s: watchdog timeout\n", USBDEVNAME(sc->cdce_dev));
+}
+
+Static void
+cdce_init(void *xsc)
+{
+ struct cdce_softc *sc = xsc;
+ struct ifnet *ifp = GET_IFP(sc);
+ struct cdce_chain *c;
+ usbd_status err;
+ int s, i;
+
+ if (ifp->if_flags & IFF_RUNNING)
+ return;
+
+ s = splnet();
+
+ if (cdce_tx_list_init(sc) == ENOBUFS) {
+ printf("%s: tx list init failed\n", USBDEVNAME(sc->cdce_dev));
+ splx(s);
+ return;
+ }
+
+ if (cdce_rx_list_init(sc) == ENOBUFS) {
+ printf("%s: rx list init failed\n", USBDEVNAME(sc->cdce_dev));
+ splx(s);
+ return;
+ }
+
+ /* Maybe set multicast / broadcast here??? */
+
+ err = usbd_open_pipe(sc->cdce_data_iface, sc->cdce_bulkin_no,
+ USBD_EXCLUSIVE_USE, &sc->cdce_bulkin_pipe);
+ if (err) {
+ printf("%s: open rx pipe failed: %s\n", USBDEVNAME(sc->cdce_dev),
+ usbd_errstr(err));
+ splx(s);
+ return;
+ }
+
+ err = usbd_open_pipe(sc->cdce_data_iface, sc->cdce_bulkout_no,
+ USBD_EXCLUSIVE_USE, &sc->cdce_bulkout_pipe);
+ if (err) {
+ printf("%s: open tx pipe failed: %s\n", USBDEVNAME(sc->cdce_dev),
+ usbd_errstr(err));
+ splx(s);
+ return;
+ }
+
+ for (i = 0; i < CDCE_RX_LIST_CNT; i++) {
+ c = &sc->cdce_cdata.cdce_rx_chain[i];
+ usbd_setup_xfer(c->cdce_xfer, sc->cdce_bulkin_pipe, c,
+ c->cdce_buf, CDCE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
+ USBD_NO_TIMEOUT, cdce_rxeof);
+ usbd_transfer(c->cdce_xfer);
+ }
+
+ ifp->if_flags |= IFF_RUNNING;
+ ifp->if_flags &= ~IFF_OACTIVE;
+
+ splx(s);
+}
+
+Static int
+cdce_newbuf(struct cdce_softc *sc, struct cdce_chain *c, struct mbuf *m)
+{
+ struct mbuf *m_new = NULL;
+
+ if (m == NULL) {
+ MGETHDR(m_new, M_DONTWAIT, MT_DATA);
+ if (m_new == NULL) {
+ printf("%s: no memory for rx list "
+ "-- packet dropped!\n", USBDEVNAME(sc->cdce_dev));
+ return (ENOBUFS);
+ }
+ MCLGET(m_new, M_DONTWAIT);
+ if (!(m_new->m_flags & M_EXT)) {
+ printf("%s: no memory for rx list "
+ "-- packet dropped!\n", USBDEVNAME(sc->cdce_dev));
+ m_freem(m_new);
+ return (ENOBUFS);
+ }
+ m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
+ } else {
+ m_new = m;
+ m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
+ m_new->m_data = m_new->m_ext.ext_buf;
+ }
+ c->cdce_mbuf = m_new;
+ return (0);
+}
+
+Static int
+cdce_rx_list_init(struct cdce_softc *sc)
+{
+ struct cdce_cdata *cd;
+ struct cdce_chain *c;
+ int i;
+
+ cd = &sc->cdce_cdata;
+ for (i = 0; i < CDCE_RX_LIST_CNT; i++) {
+ c = &cd->cdce_rx_chain[i];
+ c->cdce_sc = sc;
+ c->cdce_idx = i;
+ if (cdce_newbuf(sc, c, NULL) == ENOBUFS)
+ return (ENOBUFS);
+ if (c->cdce_xfer == NULL) {
+ c->cdce_xfer = usbd_alloc_xfer(sc->cdce_udev);
+ if (c->cdce_xfer == NULL)
+ return (ENOBUFS);
+ c->cdce_buf = usbd_alloc_buffer(c->cdce_xfer, CDCE_BUFSZ);
+ if (c->cdce_buf == NULL)
+ return (ENOBUFS);
+ }
+ }
+
+ return (0);
+}
+
+Static int
+cdce_tx_list_init(struct cdce_softc *sc)
+{
+ struct cdce_cdata *cd;
+ struct cdce_chain *c;
+ int i;
+
+ cd = &sc->cdce_cdata;
+ for (i = 0; i < CDCE_TX_LIST_CNT; i++) {
+ c = &cd->cdce_tx_chain[i];
+ c->cdce_sc = sc;
+ c->cdce_idx = i;
+ c->cdce_mbuf = NULL;
+ if (c->cdce_xfer == NULL) {
+ c->cdce_xfer = usbd_alloc_xfer(sc->cdce_udev);
+ if (c->cdce_xfer == NULL)
+ return (ENOBUFS);
+ c->cdce_buf = usbd_alloc_buffer(c->cdce_xfer, CDCE_BUFSZ);
+ if (c->cdce_buf == NULL)
+ return (ENOBUFS);
+ }
+ }
+
+ return (0);
+}
+
+Static void
+cdce_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct cdce_chain *c = priv;
+ struct cdce_softc *sc = c->cdce_sc;
+ struct ifnet *ifp = GET_IFP(sc);
+ struct mbuf *m;
+ int total_len = 0;
+ int s;
+
+ if (sc->cdce_dying || !(ifp->if_flags & IFF_RUNNING))
+ return;
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+ return;
+ if (sc->cdce_rxeof_errors == 0)
+ printf("%s: usb error on rx: %s\n",
+ USBDEVNAME(sc->cdce_dev), usbd_errstr(status));
+ if (status == USBD_STALLED)
+ usbd_clear_endpoint_stall(sc->cdce_bulkin_pipe);
+ DELAY(sc->cdce_rxeof_errors * 10000);
+ sc->cdce_rxeof_errors++;
+ goto done;
+ }
+
+ sc->cdce_rxeof_errors = 0;
+
+ usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
+ if (sc->cdce_flags & CDCE_ZAURUS)
+ total_len -= 4; /* Strip off CRC added by Zaurus */
+ if (total_len <= 1)
+ goto done;
+
+ m = c->cdce_mbuf;
+ memcpy(mtod(m, char *), c->cdce_buf, total_len);
+
+ if (total_len < sizeof(struct ether_header)) {
+ ifp->if_ierrors++;
+ goto done;
+ }
+
+ ifp->if_ipackets++;
+ m->m_pkthdr.len = m->m_len = total_len;
+ m->m_pkthdr.rcvif = ifp;
+
+ s = splnet();
+
+ if (cdce_newbuf(sc, c, NULL) == ENOBUFS) {
+ ifp->if_ierrors++;
+ goto done1;
+ }
+
+#if NBPFILTER > 0
+ if (ifp->if_bpf)
+ BPF_MTAP(ifp, m);
+#endif
+
+ IF_INPUT(ifp, m);
+
+done1:
+ splx(s);
+
+done:
+ /* Setup new transfer. */
+ usbd_setup_xfer(c->cdce_xfer, sc->cdce_bulkin_pipe, c, c->cdce_buf,
+ CDCE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
+ cdce_rxeof);
+ usbd_transfer(c->cdce_xfer);
+}
+
+Static void
+cdce_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct cdce_chain *c = priv;
+ struct cdce_softc *sc = c->cdce_sc;
+ struct ifnet *ifp = GET_IFP(sc);
+ usbd_status err;
+ int s;
+
+ if (sc->cdce_dying)
+ return;
+
+ s = splnet();
+
+ ifp->if_timer = 0;
+ ifp->if_flags &= ~IFF_OACTIVE;
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
+ splx(s);
+ return;
+ }
+ ifp->if_oerrors++;
+ printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cdce_dev),
+ usbd_errstr(status));
+ if (status == USBD_STALLED)
+ usbd_clear_endpoint_stall(sc->cdce_bulkout_pipe);
+ splx(s);
+ return;
+ }
+
+ usbd_get_xfer_status(c->cdce_xfer, NULL, NULL, NULL, &err);
+
+ if (c->cdce_mbuf != NULL) {
+ m_freem(c->cdce_mbuf);
+ c->cdce_mbuf = NULL;
+ }
+
+ if (err)
+ ifp->if_oerrors++;
+ else
+ ifp->if_opackets++;
+
+ if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
+ cdce_start(ifp);
+
+ splx(s);
+}
+
+void *
+cdce_get_desc(usbd_device_handle dev, int type, int subtype)
+{
+ usb_descriptor_t *desc;
+ usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
+ uByte *p = (uByte *)cd;
+ uByte *end = p + UGETW(cd->wTotalLength);
+
+ while (p < end) {
+ desc = (usb_descriptor_t *)p;
+ if (desc->bDescriptorType == type &&
+ desc->bDescriptorSubtype == subtype)
+ return (desc);
+ p += desc->bLength;
+ }
+
+ return (NULL);
+}
+
+int
+cdce_activate(device_ptr_t self, enum devact act)
+{
+ struct cdce_softc *sc = (struct cdce_softc *)self;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ if_deactivate(GET_IFP(sc));
+ sc->cdce_dying = 1;
+ break;
+ }
+ return (0);
+}
diff --git a/sys/dev/usb/if_cdcereg.h b/sys/dev/usb/if_cdcereg.h
new file mode 100644
index 00000000000..a01f5f5a66b
--- /dev/null
+++ b/sys/dev/usb/if_cdcereg.h
@@ -0,0 +1,85 @@
+/* $OpenBSD: if_cdcereg.h,v 1.1 2004/07/20 20:30:09 dhartmei Exp $ */
+
+/*
+ * Copyright (c) 1997, 1998, 1999, 2000-2003 Bill Paul <wpaul@windriver.com>
+ * Copyright (c) 2003 Craig Boston
+ * Copyright (c) 2004 Daniel Hartmeier
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul, THE VOICES IN HIS HEAD OR
+ * THE 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.
+ */
+
+#define CDCE_RX_LIST_CNT 1
+#define CDCE_TX_LIST_CNT 1
+#define CDCE_BUFSZ 1542
+
+struct cdce_type {
+ struct usb_devno cdce_dev;
+ u_int16_t cdce_flags;
+#define CDCE_ZAURUS 1
+#define CDCE_NO_UNION 2
+};
+
+struct cdce_softc;
+
+struct cdce_chain {
+ struct cdce_softc *cdce_sc;
+ usbd_xfer_handle cdce_xfer;
+ char *cdce_buf;
+ struct mbuf *cdce_mbuf;
+ int cdce_accum;
+ int cdce_idx;
+};
+
+struct cdce_cdata {
+ struct cdce_chain cdce_rx_chain[CDCE_RX_LIST_CNT];
+ struct cdce_chain cdce_tx_chain[CDCE_TX_LIST_CNT];
+ int cdce_tx_prod;
+ int cdce_tx_cons;
+ int cdce_tx_cnt;
+ int cdce_rx_prod;
+};
+
+struct cdce_softc {
+ USBBASEDEVICE cdce_dev;
+ struct arpcom cdce_arpcom;
+#define GET_IFP(sc) (&(sc)->cdce_arpcom.ac_if)
+ usbd_device_handle cdce_udev;
+ usbd_interface_handle cdce_ctl_iface;
+ usbd_interface_handle cdce_data_iface;
+ int cdce_bulkin_no;
+ usbd_pipe_handle cdce_bulkin_pipe;
+ int cdce_bulkout_no;
+ usbd_pipe_handle cdce_bulkout_pipe;
+ char cdce_dying;
+ int cdce_unit;
+ struct cdce_cdata cdce_cdata;
+ int cdce_rxeof_errors;
+ u_int16_t cdce_flags;
+ char cdce_attached;
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 23:17:29 +0000