File: [cvs.NetBSD.org] / src / sys / dev / usb / if_kue.c (download)
Revision 1.8, Thu Feb 17 18:42:21 2000 UTC (24 years, 2 months ago) by augustss
Branch: MAIN
Changes since 1.7: +14 -4
lines
Handle detach that happens before attach has finished. (Reported by mycroft.)
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/* $NetBSD: if_kue.c,v 1.8 2000/02/17 18:42:21 augustss Exp $ */
/*
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@ee.columbia.edu>. 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 OR THE VOICES IN HIS HEAD
* 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.
*
* $FreeBSD: src/sys/dev/usb/if_kue.c,v 1.14 2000/01/14 01:36:15 wpaul Exp $
*/
/*
* Kawasaki LSI KL5KUSB101B USB to ethernet adapter driver.
*
* Written by Bill Paul <wpaul@ee.columbia.edu>
* Electrical Engineering Department
* Columbia University, New York City
*/
/*
* The KLSI USB to ethernet adapter chip contains an USB serial interface,
* ethernet MAC and embedded microcontroller (called the QT Engine).
* The chip must have firmware loaded into it before it will operate.
* Packets are passed between the chip and host via bulk transfers.
* There is an interrupt endpoint mentioned in the software spec, however
* it's currently unused. This device is 10Mbps half-duplex only, hence
* there is no media selection logic. The MAC supports a 128 entry
* multicast filter, though the exact size of the filter can depend
* on the firmware. Curiously, while the software spec describes various
* ethernet statistics counters, my sample adapter and firmware combination
* claims not to support any statistics counters at all.
*
* Note that once we load the firmware in the device, we have to be
* careful not to load it again: if you restart your computer but
* leave the adapter attached to the USB controller, it may remain
* powered on and retain its firmware. In this case, we don't need
* to load the firmware a second time.
*
* Special thanks to Rob Furr for providing an ADS Technologies
* adapter for development and testing. No monkeys were harmed during
* the development of this driver.
*/
/*
* Ported to NetBSD and somewhat rewritten by Lennart Augustsson.
*/
/*
* TODO:
* only use kue_do_request for downloading firmware.
* more DPRINTF
* proper cleanup on errors
*/
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include "opt_inet.h"
#include "opt_ns.h"
#include "bpfilter.h"
#include "rnd.h"
#endif
#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>
#if defined(__FreeBSD__)
#include <net/ethernet.h>
#include <machine/clock.h> /* for DELAY */
#include <sys/bus.h>
#elif defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/device.h>
#if NRND > 0
#include <sys/rnd.h>
#endif
#endif
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_dl.h>
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <net/if_ether.h>
#define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
#else
#define BPF_MTAP(ifp, m) bpf_mtap((ifp), (m))
#endif
#if defined(__FreeBSD__) || NBPFILTER > 0
#include <net/bpf.h>
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#ifdef __FreeBSD__
#include <dev/usb/usb_ethersubr.h>
#endif
#include <dev/usb/if_kuereg.h>
#include <dev/usb/kue_fw.h>
#ifdef KUE_DEBUG
#define DPRINTF(x) if (kuedebug) logprintf x
#define DPRINTFN(n,x) if (kuedebug >= (n)) logprintf x
int kuedebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
/*
* Various supported device vendors/products.
*/
static struct kue_type kue_devs[] = {
{ USB_VENDOR_AOX, USB_PRODUCT_AOX_USB101 },
{ USB_VENDOR_ADS, USB_PRODUCT_ADS_UBS10BT },
{ USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC10T },
{ USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_EA101 },
{ USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET },
{ USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET2 },
{ USB_VENDOR_ENTREGA, USB_PRODUCT_ENTREGA_E45 },
{ USB_VENDOR_3COM, USB_PRODUCT_3COM_3C19250 },
{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_ETHER_USB_T },
{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650C },
{ USB_VENDOR_SMC, USB_PRODUCT_SMC_2102USB },
{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T },
{ 0, 0 }
};
USB_DECLARE_DRIVER(kue);
static int kue_tx_list_init __P((struct kue_softc *));
static int kue_rx_list_init __P((struct kue_softc *));
static int kue_newbuf __P((struct kue_softc *, struct kue_chain *,
struct mbuf *));
static int kue_send __P((struct kue_softc *, struct mbuf *, int));
static int kue_open_pipes __P((struct kue_softc *));
static void kue_rxeof __P((usbd_xfer_handle,
usbd_private_handle, usbd_status));
static void kue_txeof __P((usbd_xfer_handle,
usbd_private_handle, usbd_status));
static void kue_start __P((struct ifnet *));
static int kue_ioctl __P((struct ifnet *, u_long, caddr_t));
static void kue_init __P((void *));
static void kue_stop __P((struct kue_softc *));
static void kue_watchdog __P((struct ifnet *));
static void kue_setmulti __P((struct kue_softc *));
static void kue_reset __P((struct kue_softc *));
static usbd_status kue_do_request
__P((usbd_device_handle,
usb_device_request_t *, void *, u_int16_t,
u_int32_t *));
static usbd_status kue_ctl_l __P((struct kue_softc *, int, u_int8_t,
u_int16_t, char *, u_int32_t,
u_int32_t, u_int32_t *));
#define kue_ctl(sc, rw, breq, val, data, len) \
kue_ctl_l(sc, rw, breq, val, data, len, 0, 0)
static usbd_status kue_setword __P((struct kue_softc *, u_int8_t, u_int16_t));
static int kue_load_fw __P((struct kue_softc *));
#if defined(__FreeBSD__)
#ifndef lint
static const char rcsid[] =
"$FreeBSD: src/sys/dev/usb/if_kue.c,v 1.14 2000/01/14 01:36:15 wpaul Exp $";
#endif
static void kue_rxstart __P((struct ifnet *));
static void kue_shutdown __P((device_t));
static struct usb_qdat kue_qdat;
static device_method_t kue_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, kue_match),
DEVMETHOD(device_attach, kue_attach),
DEVMETHOD(device_detach, kue_detach),
DEVMETHOD(device_shutdown, kue_shutdown),
{ 0, 0 }
};
static driver_t kue_driver = {
"kue",
kue_methods,
sizeof(struct kue_softc)
};
static devclass_t kue_devclass;
DRIVER_MODULE(if_kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
#endif /* __FreeBSD__ */
/*
* We have a custom do_request function which is almost like the
* regular do_request function, except it has a much longer timeout.
* Why? Because we need to make requests over the control endpoint
* to download the firmware to the device, which can take longer
* than the default timeout.
*/
static usbd_status
kue_do_request(dev, req, data, flags, lenp)
usbd_device_handle dev;
usb_device_request_t *req;
void *data;
u_int16_t flags;
u_int32_t *lenp;
{
usbd_xfer_handle xfer;
usbd_status err;
DPRINTFN(15,("kue_do_request: enter\n"));
xfer = usbd_alloc_xfer(dev);
/* XXX 20000 */
usbd_setup_default_xfer(xfer, dev, 0, 20000, req,
data, UGETW(req->wLength), flags, 0);
err = usbd_sync_transfer(xfer);
if (lenp != NULL)
usbd_get_xfer_status(xfer, NULL, NULL, lenp, NULL);
usbd_free_xfer(xfer);
return (err);
}
static usbd_status
kue_setword(sc, breq, word)
struct kue_softc *sc;
u_int8_t breq;
u_int16_t word;
{
usb_device_request_t req;
usbd_status err;
int s;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = breq;
USETW(req.wValue, word);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
s = splusb();
err = kue_do_request(sc->kue_udev, &req, NULL, sc->kue_xfer_flags, 0);
splx(s);
return (err);
}
static usbd_status
kue_ctl_l(sc, rw, breq, val, data, len, flags, lenp)
struct kue_softc *sc;
int rw;
u_int8_t breq;
u_int16_t val;
char *data;
u_int32_t len;
u_int32_t flags;
u_int32_t *lenp;
{
usb_device_request_t req;
usbd_status err;
int s;
DPRINTFN(10,("%s: %s: enter, len=%d\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__, len));
if (rw == KUE_CTL_WRITE)
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
else
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = breq;
USETW(req.wValue, val);
USETW(req.wIndex, 0);
USETW(req.wLength, len);
s = splusb();
err = kue_do_request(sc->kue_udev, &req, data,
sc->kue_xfer_flags | flags, lenp);
splx(s);
return (err);
}
static int
kue_load_fw(sc)
struct kue_softc *sc;
{
usbd_status err;
u_char eaddr[ETHER_ADDR_LEN];
u_int32_t alen;
DPRINTFN(1,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
/*
* First, check if we even need to load the firmware.
* If the device was still attached when the system was
* rebooted, it may already have firmware loaded in it.
* If this is the case, we don't need to do it again.
* And in fact, if we try to load it again, we'll hang,
* so we have to avoid this condition if we don't want
* to look stupid.
*
* We can test this quickly by trying to read the MAC
* address; if this fails to return any data, the firmware
* needs to be reloaded, otherwise the device is already
* operational and we can just return.
*/
err = kue_ctl_l(sc, KUE_CTL_READ, KUE_CMD_GET_MAC, 0, (char *)&eaddr,
ETHER_ADDR_LEN, USBD_SHORT_XFER_OK, &alen);
if (err) {
printf("%s: kue_load_fw: failed to read MAC: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
if (alen == ETHER_ADDR_LEN) {
printf("%s: warm boot, no firmware download\n",
USBDEVNAME(sc->kue_dev));
return (0);
}
printf("%s: cold boot, downloading firmware\n",
USBDEVNAME(sc->kue_dev));
/* Load code segment */
DPRINTFN(1,("%s: kue_load_fw: download code_seg\n",
USBDEVNAME(sc->kue_dev)));
err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
0, kue_code_seg, sizeof(kue_code_seg));
if (err) {
printf("%s: failed to load code segment: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
/* Load fixup segment */
DPRINTFN(1,("%s: kue_load_fw: download fix_seg\n",
USBDEVNAME(sc->kue_dev)));
err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
0, kue_fix_seg, sizeof(kue_fix_seg));
if (err) {
printf("%s: failed to load fixup segment: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
/* Send trigger command. */
DPRINTFN(1,("%s: kue_load_fw: download trig_seg\n",
USBDEVNAME(sc->kue_dev)));
err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
0, kue_trig_seg, sizeof(kue_trig_seg));
if (err) {
printf("%s: failed to load trigger segment: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
usbd_delay_ms(sc->kue_udev, 10);
/*
* Reload device descriptor.
* Why? The chip without the firmware loaded returns
* one revision code. The chip with the firmware
* loaded and running returns a *different* revision
* code. This confuses the quirk mechanism, which is
* dependent on the revision data.
*/
(void)usbd_reload_device_desc(sc->kue_udev);
DPRINTFN(1,("%s: %s: done\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
/* Reset the adapter. */
kue_reset(sc);
return (0);
}
static void
kue_setmulti(sc)
struct kue_softc *sc;
{
struct ifnet *ifp = GET_IFP(sc);
#if defined(__FreeBSD__)
struct ifmultiaddr *ifma;
#elif defined(__NetBSD__) || defined(__OpenBSD__)
struct ether_multi *enm;
struct ether_multistep step;
#endif
int i;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
return;
}
sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
i = 0;
#if defined(__FreeBSD__)
for (ifma = ifp->if_multiaddrs.lh_first; ifma != NULL;
ifma = ifma->ifma_link.le_next) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
/*
* If there are too many addresses for the
* internal filter, switch over to allmulti mode.
*/
if (i == KUE_MCFILTCNT(sc))
break;
bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
i++;
}
#elif defined(__NetBSD__) || defined(__OpenBSD__)
ETHER_FIRST_MULTI(step, &sc->kue_ec, enm);
while (enm != NULL) {
if (i == KUE_MCFILTCNT(sc))
break;
#if 0
if (memcmp(enm->enm_addrlo,
enm->enm_addrhi, ETHER_ADDR_LEN) != 0) {
ifp->if_flags |= IFF_ALLMULTI;
/* XXX what now? */
return;
}
#endif
memcpy(KUE_MCFILT(sc, i), enm->enm_addrlo, ETHER_ADDR_LEN);
ETHER_NEXT_MULTI(step, enm);
i++;
}
#endif
if (i == KUE_MCFILTCNT(sc))
sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
else {
sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
}
kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
}
/*
* Issue a SET_CONFIGURATION command to reset the MAC. This should be
* done after the firmware is loaded into the adapter in order to
* bring it into proper operation.
*/
static void
kue_reset(sc)
struct kue_softc *sc;
{
usbd_status err;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
err = usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0);
if (err)
printf("%s: reset failed\n", USBDEVNAME(sc->kue_dev));
/* Wait a little while for the chip to get its brains in order. */
usbd_delay_ms(sc->kue_udev, 10);
}
/*
* Probe for a KLSI chip.
*/
USB_MATCH(kue)
{
USB_MATCH_START(kue, uaa);
struct kue_type *t;
DPRINTFN(25,("kue_match: enter\n"));
if (uaa->iface != NULL)
return (UMATCH_NONE);
for (t = kue_devs; t->kue_vid != 0; t++)
if (uaa->vendor == t->kue_vid && uaa->product == t->kue_did)
return (UMATCH_VENDOR_PRODUCT);
return (UMATCH_NONE);
}
/*
* Attach the interface. Allocate softc structures, do
* setup and ethernet/BPF attach.
*/
USB_ATTACH(kue)
{
USB_ATTACH_START(kue, sc, uaa);
char devinfo[1024];
int s;
struct ifnet *ifp;
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usbd_status err;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i;
#ifdef __FreeBSD__
bzero(sc, sizeof(struct kue_softc));
#endif
DPRINTFN(5,(" : kue_attach: sc=%p, dev=%p", sc, dev));
usbd_devinfo(dev, 0, devinfo);
USB_ATTACH_SETUP;
printf("%s: %s\n", USBDEVNAME(sc->kue_dev), devinfo);
err = usbd_set_config_no(dev, KUE_CONFIG_NO, 0);
if (err) {
printf("%s: setting config no failed\n",
USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
sc->kue_udev = dev;
sc->kue_product = uaa->product;
sc->kue_vendor = uaa->vendor;
/* Load the firmware into the NIC. */
if (kue_load_fw(sc)) {
printf("%s: loading firmware failed\n",
USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
err = usbd_device2interface_handle(dev, KUE_IFACE_IDX, &iface);
if (err) {
printf("%s: getting interface handle failed\n",
USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
sc->kue_iface = iface;
id = usbd_get_interface_descriptor(iface);
/* Find endpoints. */
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: couldn't get ep %d\n",
USBDEVNAME(sc->kue_dev), i);
splx(s);
USB_ATTACH_ERROR_RETURN;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
(ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
}
}
if (sc->kue_ed[KUE_ENDPT_RX] == 0 || sc->kue_ed[KUE_ENDPT_TX] == 0) {
printf("%s: missing endpoint\n", USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
/* Read ethernet descriptor */
err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
if (err) {
printf("%s: could not read Ethernet descriptor\n",
USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
sc->kue_mcfilters = malloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
M_USBDEV, M_NOWAIT);
if (sc->kue_mcfilters == NULL) {
printf("%s: no memory for multicast filter buffer\n",
USBDEVNAME(sc->kue_dev));
USB_ATTACH_ERROR_RETURN;
}
sc->kue_xfer_flags = USBD_NO_TSLEEP;
s = splimp();
/*
* A KLSI chip was detected. Inform the world.
*/
#if defined(__FreeBSD__)
printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->kue_dev),
sc->kue_desc.kue_macaddr, ":");
bcopy(sc->kue_desc.kue_macaddr,
(char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
ifp = GET_IFP(sc);
ifp->if_softc = sc;
ifp->if_unit = sc->kue_unit;
ifp->if_name = "kue";
ifp->if_mtu = ETHERMTU;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = kue_ioctl;
ifp->if_output = ether_output;
ifp->if_start = kue_start;
ifp->if_watchdog = kue_watchdog;
ifp->if_init = kue_init;
ifp->if_baudrate = 10000000;
ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
kue_qdat.ifp = ifp;
kue_qdat.if_rxstart = kue_rxstart;
/*
* Call MI attach routines.
*/
if_attach(ifp);
ether_ifattach(ifp);
bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
usb_register_netisr();
#elif defined(__NetBSD__) || defined(__OpenBSD__)
printf("%s: Ethernet address %s\n", USBDEVNAME(sc->kue_dev),
ether_sprintf(sc->kue_desc.kue_macaddr));
/* Initialize interface info.*/
ifp = GET_IFP(sc);
ifp->if_softc = sc;
ifp->if_mtu = ETHERMTU;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = kue_ioctl;
ifp->if_start = kue_start;
ifp->if_watchdog = kue_watchdog;
ifp->if_baudrate = 10000000;
strncpy(ifp->if_xname, USBDEVNAME(sc->kue_dev), IFNAMSIZ);
/* Attach the interface. */
if_attach(ifp);
ether_ifattach(ifp, sc->kue_desc.kue_macaddr);
#if NBPFILTER > 0
bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB,
sizeof(struct ether_header));
#endif
#if NRND > 0
rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->kue_dev),
RND_TYPE_NET, 0);
#endif
#endif /* __NetBSD__ */
sc->kue_attached = 1;
splx(s);
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->kue_udev,
USBDEV(sc->kue_dev));
USB_ATTACH_SUCCESS_RETURN;
}
USB_DETACH(kue)
{
USB_DETACH_START(kue, sc);
struct ifnet *ifp = GET_IFP(sc);
int s;
s = splusb(); /* XXX why? */
if (sc->kue_mcfilters != NULL) {
free(sc->kue_mcfilters, M_USBDEV);
sc->kue_mcfilters = NULL;
}
if (!sc->kue_attached) {
/* Detached before attached finished, so just bail out. */
splx(s);
return (0);
}
if (ifp->if_flags & IFF_RUNNING)
kue_stop(sc);
#if defined(__NetBSD__)
#if NRND > 0
rnd_detach_source(&sc->rnd_source);
#endif
#if NBPFILTER > 0
bpfdetach(ifp);
#endif
ether_ifdetach(ifp);
#endif /* __NetBSD__ */
if_detach(ifp);
#ifdef DIAGNOSTIC
if (sc->kue_ep[KUE_ENDPT_TX] != NULL ||
sc->kue_ep[KUE_ENDPT_RX] != NULL ||
sc->kue_ep[KUE_ENDPT_INTR] != NULL)
printf("%s: detach has active endpoints\n",
USBDEVNAME(sc->kue_dev));
#endif
sc->kue_attached = 0;
splx(s);
return (0);
}
#if defined(__NetBSD__) || defined(__OpenBSD__)
int
kue_activate(self, act)
device_ptr_t self;
enum devact act;
{
struct kue_softc *sc = (struct kue_softc *)self;
DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
break;
case DVACT_DEACTIVATE:
/* Deactivate the interface. */
if_deactivate(&sc->kue_ec.ec_if);
sc->kue_dying = 1;
break;
}
return (0);
}
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
/*
* Initialize an RX descriptor and attach an MBUF cluster.
*/
static int
kue_newbuf(sc, c, m)
struct kue_softc *sc;
struct kue_chain *c;
struct mbuf *m;
{
struct mbuf *m_new = NULL;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
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->kue_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->kue_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->kue_mbuf = m_new;
return (0);
}
static int
kue_rx_list_init(sc)
struct kue_softc *sc;
{
struct kue_cdata *cd;
struct kue_chain *c;
int i;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
cd = &sc->kue_cdata;
for (i = 0; i < KUE_RX_LIST_CNT; i++) {
c = &cd->kue_rx_chain[i];
c->kue_sc = sc;
c->kue_idx = i;
if (kue_newbuf(sc, c, NULL) == ENOBUFS)
return (ENOBUFS);
if (c->kue_xfer == NULL) {
c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
if (c->kue_xfer == NULL)
return (ENOBUFS);
c->kue_buf = usbd_alloc_buffer(c->kue_xfer, KUE_BUFSZ);
if (c->kue_buf == NULL)
return (ENOBUFS); /* XXX free xfer */
}
}
return (0);
}
static int
kue_tx_list_init(sc)
struct kue_softc *sc;
{
struct kue_cdata *cd;
struct kue_chain *c;
int i;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev), __FUNCTION__));
cd = &sc->kue_cdata;
for (i = 0; i < KUE_TX_LIST_CNT; i++) {
c = &cd->kue_tx_chain[i];
c->kue_sc = sc;
c->kue_idx = i;
c->kue_mbuf = NULL;
if (c->kue_xfer == NULL) {
c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
if (c->kue_xfer == NULL)
return (ENOBUFS);
c->kue_buf = usbd_alloc_buffer(c->kue_xfer, KUE_BUFSZ);
if (c->kue_buf == NULL)
return (ENOBUFS);
}
}
return (0);
}
#ifdef __FreeBSD__
static void
kue_rxstart(ifp)
struct ifnet *ifp;
{
struct kue_softc *sc;
struct kue_chain *c;
sc = ifp->if_softc;
c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
ifp->if_ierrors++;
return;
}
/* Setup new transfer. */
usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
c, c->kue_buf, KUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
USBD_NO_TIMEOUT, kue_rxeof);
usbd_transfer(c->kue_xfer);
}
#endif
/*
* A frame has been uploaded: pass the resulting mbuf chain up to
* the higher level protocols.
*/
static void
kue_rxeof(xfer, priv, status)
usbd_xfer_handle xfer;
usbd_private_handle priv;
usbd_status status;
{
struct kue_chain *c = priv;
struct kue_softc *sc = c->kue_sc;
struct ifnet *ifp = GET_IFP(sc);
struct mbuf *m;
int total_len = 0;
#if defined(__NetBSD__) || defined(__OpenBSD__)
int s;
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__, status));
if (sc->kue_dying)
return;
if (!(ifp->if_flags & IFF_RUNNING))
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
printf("%s: usb error on rx: %s\n", USBDEVNAME(sc->kue_dev),
usbd_errstr(status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
goto done;
}
usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
DPRINTFN(10,("%s: %s: total_len=%d len=%d\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__, total_len,
UGETW(mtod(c->kue_mbuf, u_int8_t *))));
m = c->kue_mbuf;
if (total_len <= 1)
goto done;
/* copy data to mbuf */
memcpy(mtod(m, char*), c->kue_buf, total_len);
/* No errors; receive the packet. */
total_len = UGETW(mtod(m, u_int8_t *));
m_adj(m, sizeof(u_int16_t));
if (total_len < sizeof(struct ether_header)) {
ifp->if_ierrors++;
goto done;
}
ifp->if_ipackets++;
m->m_pkthdr.len = m->m_len = total_len;
#if defined(__FreeBSD__)
m->m_pkthdr.rcvif = (struct ifnet *)&kue_qdat;
/* Put the packet on the special USB input queue. */
usb_ether_input(m);
return;
#elif defined(__NetBSD__) || defined(__OpenBSD__)
m->m_pkthdr.rcvif = ifp;
s = splimp();
/* XXX ugly */
if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
ifp->if_ierrors++;
goto done1;
}
/*
* Handle BPF listeners. Let the BPF user see the packet, but
* don't pass it up to the ether_input() layer unless it's
* a broadcast packet, multicast packet, matches our ethernet
* address or the interface is in promiscuous mode.
*/
if (ifp->if_bpf) {
struct ether_header *eh = mtod(m, struct ether_header *);
BPF_MTAP(ifp, m);
if ((ifp->if_flags & IFF_PROMISC) &&
memcmp(eh->ether_dhost, LLADDR(ifp->if_sadl),
ETHER_ADDR_LEN) &&
!(eh->ether_dhost[0] & 1)) {
m_freem(m);
goto done1;
}
}
DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__, m->m_len));
(*ifp->if_input)(ifp, m);
done1:
splx(s);
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
done:
/* Setup new transfer. */
usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
c, c->kue_buf, KUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
USBD_NO_TIMEOUT, kue_rxeof);
usbd_transfer(c->kue_xfer);
DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__));
}
/*
* A frame was downloaded to the chip. It's safe for us to clean up
* the list buffers.
*/
static void
kue_txeof(xfer, priv, status)
usbd_xfer_handle xfer;
usbd_private_handle priv;
usbd_status status;
{
struct kue_chain *c = priv;
struct kue_softc *sc = c->kue_sc;
struct ifnet *ifp = GET_IFP(sc);
int s;
if (sc->kue_dying)
return;
s = splimp();
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__, status));
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->kue_dev),
usbd_errstr(status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
splx(s);
return;
}
ifp->if_opackets++;
#if defined(__FreeBSD__)
c->kue_mbuf->m_pkthdr.rcvif = ifp;
usb_tx_done(c->kue_mbuf);
c->kue_mbuf = NULL;
#elif defined(__NetBSD__) || defined(__OpenBSD__)
m_freem(c->kue_mbuf);
c->kue_mbuf = NULL;
if (ifp->if_snd.ifq_head != NULL)
kue_start(ifp);
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
splx(s);
}
static int
kue_send(sc, m, idx)
struct kue_softc *sc;
struct mbuf *m;
int idx;
{
int total_len;
struct kue_chain *c;
usbd_status err;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
c = &sc->kue_cdata.kue_tx_chain[idx];
/*
* Copy the mbuf data into a contiguous buffer, leaving two
* bytes at the beginning to hold the frame length.
*/
m_copydata(m, 0, m->m_pkthdr.len, c->kue_buf + 2);
c->kue_mbuf = m;
total_len = m->m_pkthdr.len + 2;
/* XXX what's this? */
total_len += 64 - (total_len % 64);
/* Frame length is specified in the first 2 bytes of the buffer. */
c->kue_buf[0] = (u_int8_t)m->m_pkthdr.len;
c->kue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
/* XXX 10000 */
usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_TX],
c, c->kue_buf, total_len, USBD_NO_COPY, 10000, kue_txeof);
/* Transmit */
err = usbd_transfer(c->kue_xfer);
if (err != USBD_IN_PROGRESS) {
kue_stop(sc);
return (EIO);
}
sc->kue_cdata.kue_tx_cnt++;
return (0);
}
static void
kue_start(ifp)
struct ifnet *ifp;
{
struct kue_softc *sc = ifp->if_softc;
struct mbuf *m_head = NULL;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
if (sc->kue_dying)
return;
if (ifp->if_flags & IFF_OACTIVE)
return;
IF_DEQUEUE(&ifp->if_snd, m_head);
if (m_head == NULL)
return;
if (kue_send(sc, m_head, 0)) {
IF_PREPEND(&ifp->if_snd, m_head);
ifp->if_flags |= IFF_OACTIVE;
return;
}
/*
* If there's a BPF listener, bounce a copy of this frame
* to him.
*/
if (ifp->if_bpf)
BPF_MTAP(ifp, m_head);
ifp->if_flags |= IFF_OACTIVE;
/*
* Set a timeout in case the chip goes out to lunch.
*/
ifp->if_timer = 5;
}
static void
kue_init(xsc)
void *xsc;
{
struct kue_softc *sc = xsc;
struct ifnet *ifp = GET_IFP(sc);
int s;
u_char *eaddr;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
if (ifp->if_flags & IFF_RUNNING)
return;
s = splimp();
#if defined(__FreeBSD__)
eaddr = sc->arpcom.ac_enaddr;
#elif defined(__NetBSD__) || defined(__OpenBSD__)
eaddr = LLADDR(ifp->if_sadl);
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
/* Set MAC address */
kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MAC, 0, eaddr, ETHER_ADDR_LEN);
sc->kue_rxfilt = KUE_RXFILT_UNICAST | KUE_RXFILT_BROADCAST;
/* If we want promiscuous mode, set the allframes bit. */
if (ifp->if_flags & IFF_PROMISC)
sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
/* I'm not sure how to tune these. */
#if 0
/*
* Leave this one alone for now; setting it
* wrong causes lockups on some machines/controllers.
*/
kue_setword(sc, KUE_CMD_SET_SOFS, 1);
#endif
kue_setword(sc, KUE_CMD_SET_URB_SIZE, 64);
/* Init TX ring. */
if (kue_tx_list_init(sc) == ENOBUFS) {
printf("%s: tx list init failed\n", USBDEVNAME(sc->kue_dev));
splx(s);
return;
}
/* Init RX ring. */
if (kue_rx_list_init(sc) == ENOBUFS) {
printf("%s: rx list init failed\n", USBDEVNAME(sc->kue_dev));
splx(s);
return;
}
/* Load the multicast filter. */
kue_setmulti(sc);
if (sc->kue_ep[KUE_ENDPT_RX] == NULL) {
if (kue_open_pipes(sc)) {
splx(s);
return;
}
}
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
splx(s);
}
static int
kue_open_pipes(sc)
struct kue_softc *sc;
{
usbd_status err;
struct kue_chain *c;
int i;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
/* Open RX and TX pipes. */
err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_RX],
USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_RX]);
if (err) {
printf("%s: open rx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_TX],
USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_TX]);
if (err) {
printf("%s: open tx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
return (EIO);
}
/* Start up the receive pipe. */
for (i = 0; i < KUE_RX_LIST_CNT; i++) {
c = &sc->kue_cdata.kue_rx_chain[i];
usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
c, c->kue_buf, KUE_BUFSZ,
USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
kue_rxeof);
usbd_transfer(c->kue_xfer);
DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->kue_dev),
__FUNCTION__));
}
return (0);
}
static int
kue_ioctl(ifp, command, data)
struct ifnet *ifp;
u_long command;
caddr_t data;
{
struct kue_softc *sc = ifp->if_softc;
#if defined(__NetBSD__) || defined(__OpenBSD__)
struct ifaddr *ifa = (struct ifaddr *)data;
struct ifreq *ifr = (struct ifreq *)data;
#endif
int s, error = 0;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
if (sc->kue_dying)
return (EIO);
s = splimp();
switch(command) {
#if defined(__FreeBSD__)
case SIOCSIFADDR:
case SIOCGIFADDR:
case SIOCSIFMTU:
error = ether_ioctl(ifp, command, data);
break;
#elif defined(__NetBSD__) || defined(__OpenBSD__)
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
kue_init(sc);
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
arp_ifinit(ifp, ifa);
break;
#endif /* INET */
#ifdef NS
case AF_NS:
{
struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
if (ns_nullhost(*ina))
ina->x_host = *(union ns_host *)
LLADDR(ifp->if_sadl);
else
memcpy(LLADDR(ifp->if_sadl),
ina->x_host.c_host,
ifp->if_addrlen);
break;
}
#endif /* NS */
}
break;
case SIOCSIFMTU:
if (ifr->ifr_mtu > ETHERMTU)
error = EINVAL;
else
ifp->if_mtu = ifr->ifr_mtu;
break;
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
case SIOCSIFFLAGS:
if (ifp->if_flags & IFF_UP) {
if (ifp->if_flags & IFF_RUNNING &&
ifp->if_flags & IFF_PROMISC &&
!(sc->kue_if_flags & IFF_PROMISC)) {
sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
sc->kue_rxfilt);
} else if (ifp->if_flags & IFF_RUNNING &&
!(ifp->if_flags & IFF_PROMISC) &&
sc->kue_if_flags & IFF_PROMISC) {
sc->kue_rxfilt &= ~KUE_RXFILT_PROMISC;
kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
sc->kue_rxfilt);
} else if (!(ifp->if_flags & IFF_RUNNING))
kue_init(sc);
} else {
if (ifp->if_flags & IFF_RUNNING)
kue_stop(sc);
}
sc->kue_if_flags = ifp->if_flags;
error = 0;
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
kue_setmulti(sc);
error = 0;
break;
default:
error = EINVAL;
break;
}
splx(s);
return (error);
}
static void
kue_watchdog(ifp)
struct ifnet *ifp;
{
struct kue_softc *sc = ifp->if_softc;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
if (sc->kue_dying)
return;
ifp->if_oerrors++;
printf("%s: watchdog timeout\n", USBDEVNAME(sc->kue_dev));
/*
* The polling business is a kludge to avoid allowing the
* USB code to call tsleep() in usbd_delay_ms(), which will
* kill us since the watchdog routine is invoked from
* interrupt context.
*/
usbd_set_polling(sc->kue_udev, 1);
kue_stop(sc);
kue_init(sc);
usbd_set_polling(sc->kue_udev, 0);
if (ifp->if_snd.ifq_head != NULL)
kue_start(ifp);
}
/*
* Stop the adapter and free any mbufs allocated to the
* RX and TX lists.
*/
static void
kue_stop(sc)
struct kue_softc *sc;
{
usbd_status err;
struct ifnet *ifp;
int i;
DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->kue_dev),__FUNCTION__));
ifp = GET_IFP(sc);
ifp->if_timer = 0;
/* Stop transfers. */
if (sc->kue_ep[KUE_ENDPT_RX] != NULL) {
err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
if (err) {
printf("%s: abort rx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_RX]);
if (err) {
printf("%s: close rx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
sc->kue_ep[KUE_ENDPT_RX] = NULL;
}
if (sc->kue_ep[KUE_ENDPT_TX] != NULL) {
err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
if (err) {
printf("%s: abort tx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_TX]);
if (err) {
printf("%s: close tx pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
sc->kue_ep[KUE_ENDPT_TX] = NULL;
}
if (sc->kue_ep[KUE_ENDPT_INTR] != NULL) {
err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
if (err) {
printf("%s: abort intr pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
if (err) {
printf("%s: close intr pipe failed: %s\n",
USBDEVNAME(sc->kue_dev), usbd_errstr(err));
}
sc->kue_ep[KUE_ENDPT_INTR] = NULL;
}
/* Free RX resources. */
for (i = 0; i < KUE_RX_LIST_CNT; i++) {
if (sc->kue_cdata.kue_rx_chain[i].kue_mbuf != NULL) {
m_freem(sc->kue_cdata.kue_rx_chain[i].kue_mbuf);
sc->kue_cdata.kue_rx_chain[i].kue_mbuf = NULL;
}
if (sc->kue_cdata.kue_rx_chain[i].kue_xfer != NULL) {
usbd_free_xfer(sc->kue_cdata.kue_rx_chain[i].kue_xfer);
sc->kue_cdata.kue_rx_chain[i].kue_xfer = NULL;
}
}
/* Free TX resources. */
for (i = 0; i < KUE_TX_LIST_CNT; i++) {
if (sc->kue_cdata.kue_tx_chain[i].kue_mbuf != NULL) {
m_freem(sc->kue_cdata.kue_tx_chain[i].kue_mbuf);
sc->kue_cdata.kue_tx_chain[i].kue_mbuf = NULL;
}
if (sc->kue_cdata.kue_tx_chain[i].kue_xfer != NULL) {
usbd_free_xfer(sc->kue_cdata.kue_tx_chain[i].kue_xfer);
sc->kue_cdata.kue_tx_chain[i].kue_xfer = NULL;
}
}
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
}
#ifdef __FreeBSD__
/*
* Stop all chip I/O so that the kernel's probe routines don't
* get confused by errant DMAs when rebooting.
*/
static void
kue_shutdown(dev)
device_t dev;
{
struct kue_softc *sc;
sc = device_get_softc(dev);
kue_stop(sc);
}
#endif
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