diff options
Diffstat (limited to 'sys/dev/usb/if_cue.c')
| -rw-r--r-- | sys/dev/usb/if_cue.c | 1622 |
1 files changed, 1622 insertions, 0 deletions
diff --git a/sys/dev/usb/if_cue.c b/sys/dev/usb/if_cue.c new file mode 100644 index 00000000000..2483a266f70 --- /dev/null +++ b/sys/dev/usb/if_cue.c @@ -0,0 +1,1622 @@ +/* $OpenBSD: if_cue.c,v 1.1 2000/03/28 19:37:47 aaron Exp $ */ +/* $NetBSD: if_cue.c,v 1.16 2000/03/24 22:03:29 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_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ + */ + +/* + * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate + * adapters and others. + * + * Written by Bill Paul <wpaul@ee.columbia.edu> + * Electrical Engineering Department + * Columbia University, New York City + */ + +/* + * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The + * RX filter uses a 512-bit multicast hash table, single perfect entry + * for the station address, and promiscuous mode. Unlike the ADMtek + * and KLSI chips, the CATC ASIC supports read and write combining + * mode where multiple packets can be transfered using a single bulk + * transaction, which helps performance a great deal. + */ + +/* + * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. + */ + +/* + * TODO: + * proper cleanup on errors + */ +#if defined(__NetBSD__) +#include "opt_inet.h" +#include "opt_ns.h" +#include "bpfilter.h" +#include "rnd.h" +#elif defined(__OpenBSD__) +#include "bpfilter.h" +#endif + +#include <sys/param.h> +#include <sys/systm.h> +#if !defined(__OpenBSD__) +#include <sys/callout.h> +#endif +#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> +#if defined(__NetBSD__) || defined(__FreeBSD__) +#include <net/if_arp.h> +#endif +#include <net/if_dl.h> + +#if defined(__NetBSD__) || defined(__OpenBSD__) +#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__) +#include <net/if_ether.h> +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_inarp.h> +#endif +#endif /* defined(__NetBSD__) */ + +#if defined(__OpenBSD__) +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/ip.h> +#include <netinet/if_ether.h> +#endif +#endif /* defined(__OpenBSD__) */ + +#if defined(__NetBSD__) || defined(__OpenBSD__) +#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_cuereg.h> + +#ifdef CUE_DEBUG +#define DPRINTF(x) if (cuedebug) logprintf x +#define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x +int cuedebug = 0; +#else +#define DPRINTF(x) +#define DPRINTFN(n,x) +#endif + +/* + * Various supported device vendors/products. + */ +static struct cue_type cue_devs[] = { + { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, + { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, + /* Belkin F5U111 adapter covered by NETMATE entry */ + { 0, 0 } +}; + +USB_DECLARE_DRIVER(cue); + +#define static + +static int cue_open_pipes __P((struct cue_softc *)); +static int cue_tx_list_init __P((struct cue_softc *)); +static int cue_rx_list_init __P((struct cue_softc *)); +static int cue_newbuf __P((struct cue_softc *, struct cue_chain *, + struct mbuf *)); +static int cue_send __P((struct cue_softc *, struct mbuf *, int)); +static void cue_rxeof __P((usbd_xfer_handle, + usbd_private_handle, usbd_status)); +static void cue_txeof __P((usbd_xfer_handle, + usbd_private_handle, usbd_status)); +static void cue_tick __P((void *)); +static void cue_start __P((struct ifnet *)); +static int cue_ioctl __P((struct ifnet *, u_long, caddr_t)); +static void cue_init __P((void *)); +static void cue_stop __P((struct cue_softc *)); +static void cue_watchdog __P((struct ifnet *)); + +static void cue_setmulti __P((struct cue_softc *)); +static u_int32_t cue_crc __P((caddr_t)); +static void cue_reset __P((struct cue_softc *)); + +static int cue_csr_read_1 __P((struct cue_softc *, int)); +static int cue_csr_write_1 __P((struct cue_softc *, int, int)); +static int cue_csr_read_2 __P((struct cue_softc *, int)); +#ifdef notdef +static int cue_csr_write_2 __P((struct cue_softc *, int, int)); +#endif +static int cue_mem __P((struct cue_softc *, int, + int, void *, int)); +static int cue_getmac __P((struct cue_softc *, void *)); + +#ifdef __FreeBSD__ +#ifndef lint +static const char rcsid[] = + "$FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $"; +#endif + +static void cue_rxstart __P((struct ifnet *)); +static void cue_shutdown __P((device_t)); + +static struct usb_qdat cue_qdat; + +static device_method_t cue_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, cue_match), + DEVMETHOD(device_attach, cue_attach), + DEVMETHOD(device_detach, cue_detach), + DEVMETHOD(device_shutdown, cue_shutdown), + + { 0, 0 } +}; + +static driver_t cue_driver = { + "cue", + cue_methods, + sizeof(struct cue_softc) +}; + +static devclass_t cue_devclass; + +DRIVER_MODULE(if_cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0); + +#endif /* defined(__FreeBSD__) */ + +#define CUE_DO_REQUEST(dev, req, data) \ + usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL) + +#define CUE_SETBIT(sc, reg, x) \ + cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) + +#define CUE_CLRBIT(sc, reg, x) \ + cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) + +static int +cue_csr_read_1(sc, reg) + struct cue_softc *sc; + int reg; +{ + usb_device_request_t req; + usbd_status err; + u_int8_t val = 0; + int s; + + if (sc->cue_dying) + return (0); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = CUE_CMD_READREG; + USETW(req.wValue, 0); + USETW(req.wIndex, reg); + USETW(req.wLength, 1); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); + splx(s); + + if (err) { + DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", + USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); + return (0); + } + + DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", + USBDEVNAME(sc->cue_dev), reg, val)); + + return (val); +} + +static int +cue_csr_read_2(sc, reg) + struct cue_softc *sc; + int reg; +{ + usb_device_request_t req; + usbd_status err; + uWord val; + int s; + + if (sc->cue_dying) + return (0); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = CUE_CMD_READREG; + USETW(req.wValue, 0); + USETW(req.wIndex, reg); + USETW(req.wLength, 2); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); + splx(s); + + DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", + USBDEVNAME(sc->cue_dev), reg, UGETW(val))); + + if (err) { + DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", + USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); + return (0); + } + + return (UGETW(val)); +} + +static int +cue_csr_write_1(sc, reg, val) + struct cue_softc *sc; + int reg, val; +{ + usb_device_request_t req; + usbd_status err; + int s; + + if (sc->cue_dying) + return (0); + + DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", + USBDEVNAME(sc->cue_dev), reg, val)); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = CUE_CMD_WRITEREG; + USETW(req.wValue, val); + USETW(req.wIndex, reg); + USETW(req.wLength, 0); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); + splx(s); + + if (err) { + DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", + USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); + return (-1); + } + + DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", + USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); + + return (0); +} + +#ifdef notdef +static int +cue_csr_write_2(sc, reg, val) + struct cue_softc *sc; + int reg, aval; +{ + usb_device_request_t req; + usbd_status err; + uWord val; + int s; + + if (sc->cue_dying) + return (0); + + DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", + USBDEVNAME(sc->cue_dev), reg, aval)); + + USETW(val, aval); + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = CUE_CMD_WRITEREG; + USETW(req.wValue, val); + USETW(req.wIndex, reg); + USETW(req.wLength, 0); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); + splx(s); + + if (err) { + DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", + USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); + return (-1); + } + + return (0); +} +#endif + +static int +cue_mem(sc, cmd, addr, buf, len) + struct cue_softc *sc; + int cmd; + int addr; + void *buf; + int len; +{ + usb_device_request_t req; + usbd_status err; + int s; + + DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", + USBDEVNAME(sc->cue_dev), cmd, addr, len)); + + if (cmd == CUE_CMD_READSRAM) + req.bmRequestType = UT_READ_VENDOR_DEVICE; + else + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = cmd; + USETW(req.wValue, 0); + USETW(req.wIndex, addr); + USETW(req.wLength, len); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); + splx(s); + + if (err) { + DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", + USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); + return (-1); + } + + return (0); +} + +static int +cue_getmac(sc, buf) + struct cue_softc *sc; + void *buf; +{ + usb_device_request_t req; + usbd_status err; + int s; + + DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = CUE_CMD_GET_MACADDR; + USETW(req.wValue, 0); + USETW(req.wIndex, 0); + USETW(req.wLength, ETHER_ADDR_LEN); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); + splx(s); + + if (err) { + printf("%s: read MAC address failed\n", USBDEVNAME(sc->cue_dev)); + return (-1); + } + + return (0); +} + +#define CUE_POLY 0xEDB88320 +#define CUE_BITS 9 + +static u_int32_t +cue_crc(addr) + caddr_t addr; +{ + u_int32_t idx, bit, data, crc; + + /* Compute CRC for the address value. */ + crc = 0xFFFFFFFF; /* initial value */ + + for (idx = 0; idx < 6; idx++) { + for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) + crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); + } + + return (crc & ((1 << CUE_BITS) - 1)); +} + +static void +cue_setmulti(sc) + struct cue_softc *sc; +{ + struct ifnet *ifp; +#if defined(__FreeBSD__) + struct ifmultiaddr *ifma; +#elif defined(__NetBSD__) || defined(__OpenBSD__) + struct ether_multi *enm; + struct ether_multistep step; +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + u_int32_t h, i; + + ifp = GET_IFP(sc); + + DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", + USBDEVNAME(sc->cue_dev), ifp->if_flags)); + + if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { + for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) + sc->cue_mctab[i] = 0xFF; + cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, + &sc->cue_mctab, CUE_MCAST_TABLE_LEN); + return; + } + + /* first, zot all the existing hash bits */ + for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) + sc->cue_mctab[i] = 0; + + /* now program new ones */ +#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; + h = cue_crc(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); + sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); + } +#elif defined(__NetBSD__) || defined(__OpenBSD__) +#if defined(__NetBSD__) + ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); +#else + ETHER_FIRST_MULTI(step, &sc->arpcom, enm); +#endif + while (enm != NULL) { +#if 0 + if (memcmp(enm->enm_addrlo, + enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { + ifp->if_flags |= IFF_ALLMULTI; + /* XXX what now? */ + return; + } +#endif + h = cue_crc(enm->enm_addrlo); + sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); + ETHER_NEXT_MULTI(step, enm); + } +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + + /* + * Also include the broadcast address in the filter + * so we can receive broadcast frames. + */ + if (ifp->if_flags & IFF_BROADCAST) { + h = cue_crc(etherbroadcastaddr); + sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); + } + + cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, + &sc->cue_mctab, CUE_MCAST_TABLE_LEN); +} + +static void +cue_reset(sc) + struct cue_softc *sc; +{ + usb_device_request_t req; + usbd_status err; + int s; + + DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); + + if (sc->cue_dying) + return; + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = CUE_CMD_RESET; + USETW(req.wValue, 0); + USETW(req.wIndex, 0); + USETW(req.wLength, 0); + + s = splusb(); + err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); + splx(s); + + if (err) + printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); + + /* Wait a little while for the chip to get its brains in order. */ + delay(1000); /* XXX */ +} + +/* + * Probe for a CATC chip. + */ +USB_MATCH(cue) +{ + USB_MATCH_START(cue, uaa); + struct cue_type *t; + + if (uaa->iface != NULL) + return (UMATCH_NONE); + + for (t = cue_devs; t->cue_vid != 0; t++) + if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) + return (UMATCH_VENDOR_PRODUCT); + + return (UMATCH_NONE); +} + +/* + * Attach the interface. Allocate softc structures, do ifmedia + * setup and ethernet/BPF attach. + */ +USB_ATTACH(cue) +{ + USB_ATTACH_START(cue, sc, uaa); + char devinfo[1024]; + int s; + u_char eaddr[ETHER_ADDR_LEN]; + usbd_device_handle dev = uaa->device; + usbd_interface_handle iface; + usbd_status err; + struct ifnet *ifp; + usb_interface_descriptor_t *id; + usb_endpoint_descriptor_t *ed; + int i; + +#ifdef __FreeBSD__ + bzero(sc, sizeof(struct cue_softc)); +#endif + + DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); + + usbd_devinfo(dev, 0, devinfo); + USB_ATTACH_SETUP; + printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); + + err = usbd_set_config_no(dev, CUE_CONFIG_NO, 0); + if (err) { + printf("%s: setting config no failed\n", + USBDEVNAME(sc->cue_dev)); + USB_ATTACH_ERROR_RETURN; + } + + sc->cue_udev = dev; + sc->cue_product = uaa->product; + sc->cue_vendor = uaa->vendor; + + err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); + if (err) { + printf("%s: getting interface handle failed\n", + USBDEVNAME(sc->cue_dev)); + USB_ATTACH_ERROR_RETURN; + } + + sc->cue_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->cue_dev), i); + USB_ATTACH_ERROR_RETURN; + } + if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { + sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; + } + } + +#if 0 + /* Reset the adapter. */ + cue_reset(sc); +#endif + /* + * Get station address. + */ + cue_getmac(sc, &eaddr); + + s = splimp(); + + /* + * A CATC chip was detected. Inform the world. + */ +#if defined(__FreeBSD__) + printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->cue_dev), eaddr, ":"); + + bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); + + ifp = &sc->arpcom.ac_if; + ifp->if_softc = sc; + ifp->if_unit = USBDEVNAME(sc->cue_dev); + ifp->if_name = "cue"; + ifp->if_mtu = ETHERMTU; + ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; + ifp->if_ioctl = cue_ioctl; + ifp->if_output = ether_output; + ifp->if_start = cue_start; + ifp->if_watchdog = cue_watchdog; + ifp->if_init = cue_init; + ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; + + cue_qdat.ifp = ifp; + cue_qdat.if_rxstart = cue_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->cue_dev), + ether_sprintf(eaddr)); + + /* 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 = cue_ioctl; + ifp->if_start = cue_start; + ifp->if_watchdog = cue_watchdog; + strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); + + /* Attach the interface. */ + if_attach(ifp); +#if defined(__NetBSD__) + ether_ifattach(ifp, eaddr); +#else + ether_ifattach(ifp); +#endif + +#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->cue_dev), + RND_TYPE_NET, 0); +#endif + +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + + usb_callout_init(sc->cue_stat_ch); + + sc->cue_attached = 1; + splx(s); + + usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, + USBDEV(sc->cue_dev)); + + USB_ATTACH_SUCCESS_RETURN; +} + +USB_DETACH(cue) +{ + USB_DETACH_START(cue, sc); + struct ifnet *ifp = GET_IFP(sc); + int s; + + DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); + + s = splusb(); + + usb_uncallout(sc->cue_stat_ch, cue_tick, sc); + + if (!sc->cue_attached) { + /* Detached before attached finished, so just bail out. */ + splx(s); + return (0); + } + + if (ifp->if_flags & IFF_RUNNING) + cue_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->cue_ep[CUE_ENDPT_TX] != NULL || + sc->cue_ep[CUE_ENDPT_RX] != NULL || + sc->cue_ep[CUE_ENDPT_INTR] != NULL) + printf("%s: detach has active endpoints\n", + USBDEVNAME(sc->cue_dev)); +#endif + + sc->cue_attached = 0; + splx(s); + + usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, + USBDEV(sc->cue_dev)); + + return (0); +} + +#if defined(__NetBSD__) || defined(__OpenBSD__) +int +cue_activate(self, act) + device_ptr_t self; + enum devact act; +{ + struct cue_softc *sc = (struct cue_softc *)self; + + DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); + + switch (act) { + case DVACT_ACTIVATE: + return (EOPNOTSUPP); + break; + + case DVACT_DEACTIVATE: +#if defined(__NetBSD__) + /* Deactivate the interface. */ + if_deactivate(&sc->cue_ec.ec_if); +#endif + sc->cue_dying = 1; + break; + } + return (0); +} +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + +/* + * Initialize an RX descriptor and attach an MBUF cluster. + */ +static int +cue_newbuf(sc, c, m) + struct cue_softc *sc; + struct cue_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->cue_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->cue_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; + } + + m_adj(m_new, ETHER_ALIGN); + c->cue_mbuf = m_new; + + return (0); +} + +static int +cue_rx_list_init(sc) + struct cue_softc *sc; +{ + struct cue_cdata *cd; + struct cue_chain *c; + int i; + + cd = &sc->cue_cdata; + for (i = 0; i < CUE_RX_LIST_CNT; i++) { + c = &cd->cue_rx_chain[i]; + c->cue_sc = sc; + c->cue_idx = i; + if (cue_newbuf(sc, c, NULL) == ENOBUFS) + return (ENOBUFS); + if (c->cue_xfer == NULL) { + c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); + if (c->cue_xfer == NULL) + return (ENOBUFS); + c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); + if (c->cue_buf == NULL) { + usbd_free_xfer(c->cue_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +static int +cue_tx_list_init(sc) + struct cue_softc *sc; +{ + struct cue_cdata *cd; + struct cue_chain *c; + int i; + + cd = &sc->cue_cdata; + for (i = 0; i < CUE_TX_LIST_CNT; i++) { + c = &cd->cue_tx_chain[i]; + c->cue_sc = sc; + c->cue_idx = i; + c->cue_mbuf = NULL; + if (c->cue_xfer == NULL) { + c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); + if (c->cue_xfer == NULL) + return (ENOBUFS); + c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); + if (c->cue_buf == NULL) { + usbd_free_xfer(c->cue_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +#ifdef __FreeBSD__ +static void +cue_rxstart(ifp) + struct ifnet *ifp; +{ + struct cue_softc *sc; + struct cue_chain *c; + + sc = ifp->if_softc; + c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod]; + + if (cue_newbuf(sc, c, NULL) == ENOBUFS) { + ifp->if_ierrors++; + return; + } + + /* Setup new transfer. */ + usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], + c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, + USBD_NO_TIMEOUT, cue_rxeof); + usbd_transfer(c->cue_xfer); +} +#endif + +/* + * A frame has been uploaded: pass the resulting mbuf chain up to + * the higher level protocols. + */ +static void +cue_rxeof(xfer, priv, status) + usbd_xfer_handle xfer; + usbd_private_handle priv; + usbd_status status; +{ + struct cue_chain *c = priv; + struct cue_softc *sc = c->cue_sc; + struct ifnet *ifp = GET_IFP(sc); + struct mbuf *m; + int total_len = 0; + u_int16_t len; +#if defined(__NetBSD__) || defined(__OpenBSD__) + int s; + struct ether_header *eh; +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + + DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), + __FUNCTION__, status)); + + if (sc->cue_dying) + return; + + if (!(ifp->if_flags & IFF_RUNNING)) + return; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) + return; + sc->cue_rx_errs++; + if (usbd_ratecheck(&sc->cue_rx_notice)) { + printf("%s: %u usb errors on rx: %s\n", + USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, + usbd_errstr(status)); + sc->cue_rx_errs = 0; + } + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); + goto done; + } + + usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); + + memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); + + m = c->cue_mbuf; + len = UGETW(mtod(m, u_int8_t *)); + + /* No errors; receive the packet. */ + total_len = len; + + if (len < sizeof(struct ether_header)) { + ifp->if_ierrors++; + goto done; + } + + ifp->if_ipackets++; + m_adj(m, sizeof(u_int16_t)); + m->m_pkthdr.len = m->m_len = total_len; + +#if defined(__FreeBSD__) + m->m_pkthdr.rcvif = (struct ifnet *)&cue_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 (cue_newbuf(sc, c, NULL) == ENOBUFS) { + ifp->if_ierrors++; + goto done1; + } + + eh = mtod(m, struct ether_header *); + +#if NBPFILTER > 0 + /* + * 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) { + BPF_MTAP(ifp, m); +#if defined(__NetBSD__) + 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; + } +#endif + } +#endif + + DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), + __FUNCTION__, m->m_len)); +#if defined(__NetBSD__) + (*ifp->if_input)(ifp, m); +#else + ether_input(ifp, eh, m); +#endif + done1: + splx(s); +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + +done: + /* Setup new transfer. */ + usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], + c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, + USBD_NO_TIMEOUT, cue_rxeof); + usbd_transfer(c->cue_xfer); + + DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), + __FUNCTION__)); +} + +/* + * A frame was downloaded to the chip. It's safe for us to clean up + * the list buffers. + */ +static void +cue_txeof(xfer, priv, status) + usbd_xfer_handle xfer; + usbd_private_handle priv; + usbd_status status; +{ + struct cue_chain *c = priv; + struct cue_softc *sc = c->cue_sc; + struct ifnet *ifp = GET_IFP(sc); + int s; + + if (sc->cue_dying) + return; + + s = splimp(); + + DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_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->cue_dev), + usbd_errstr(status)); + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); + splx(s); + return; + } + + ifp->if_opackets++; + +#if defined(__FreeBSD__) + c->cue_mbuf->m_pkthdr.rcvif = ifp; + usb_tx_done(c->cue_mbuf); + c->cue_mbuf = NULL; +#elif defined(__NetBSD__) || defined(__OpenBSD__) + m_freem(c->cue_mbuf); + c->cue_mbuf = NULL; + + if (ifp->if_snd.ifq_head != NULL) + cue_start(ifp); +#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ + + splx(s); +} + +static void +cue_tick(xsc) + void *xsc; +{ + struct cue_softc *sc = xsc; + struct ifnet *ifp; + int s; + + if (sc == NULL) + return; + + if (sc->cue_dying) + return; + + DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); + + s = splimp(); + + ifp = GET_IFP(sc); + + ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); + ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); + ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); + + if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) + ifp->if_ierrors++; + + usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); + + splx(s); +} + +static int +cue_send(sc, m, idx) + struct cue_softc *sc; + struct mbuf *m; + int idx; +{ + int total_len; + struct cue_chain *c; + usbd_status err; + + c = &sc->cue_cdata.cue_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->cue_buf + 2); + c->cue_mbuf = m; + + total_len = m->m_pkthdr.len + 2; + + DPRINTFN(10,("%s: %s: total_len=%d\n", + USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); + + /* The first two bytes are the frame length */ + c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; + c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); + + /* XXX 10000 */ + usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], + c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); + + /* Transmit */ + err = usbd_transfer(c->cue_xfer); + if (err != USBD_IN_PROGRESS) { + cue_stop(sc); + return (EIO); + } + + sc->cue_cdata.cue_tx_cnt++; + + return (0); +} + +static void +cue_start(ifp) + struct ifnet *ifp; +{ + struct cue_softc *sc = ifp->if_softc; + struct mbuf *m_head = NULL; + + if (sc->cue_dying) + return; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); + + if (ifp->if_flags & IFF_OACTIVE) + return; + + IF_DEQUEUE(&ifp->if_snd, m_head); + if (m_head == NULL) + return; + + if (cue_send(sc, m_head, 0)) { + IF_PREPEND(&ifp->if_snd, m_head); + ifp->if_flags |= IFF_OACTIVE; + return; + } + +#if NBPFILTER > 0 + /* + * If there's a BPF listener, bounce a copy of this frame + * to him. + */ + if (ifp->if_bpf) + BPF_MTAP(ifp, m_head); +#endif + + ifp->if_flags |= IFF_OACTIVE; + + /* + * Set a timeout in case the chip goes out to lunch. + */ + ifp->if_timer = 5; +} + +static void +cue_init(xsc) + void *xsc; +{ + struct cue_softc *sc = xsc; + struct ifnet *ifp = GET_IFP(sc); + int i, s, ctl; + u_char *eaddr; + + if (sc->cue_dying) + return; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); + + if (ifp->if_flags & IFF_RUNNING) + return; + + s = splimp(); + + /* + * Cancel pending I/O and free all RX/TX buffers. + */ +#if 1 + cue_reset(sc); +#endif + + /* Set advanced operation modes. */ + cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, + CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ + +#if defined(__FreeBSD__) || defined(__OpenBSD__) + eaddr = sc->arpcom.ac_enaddr; +#elif defined(__NetBSD__) + eaddr = LLADDR(ifp->if_sadl); +#endif /* defined(__NetBSD__) */ + /* Set MAC address */ + for (i = 0; i < ETHER_ADDR_LEN; i++) + cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); + + /* Enable RX logic. */ + ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; + if (ifp->if_flags & IFF_PROMISC) + ctl |= CUE_ETHCTL_PROMISC; + cue_csr_write_1(sc, CUE_ETHCTL, ctl); + + /* Init TX ring. */ + if (cue_tx_list_init(sc) == ENOBUFS) { + printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); + splx(s); + return; + } + + /* Init RX ring. */ + if (cue_rx_list_init(sc) == ENOBUFS) { + printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); + splx(s); + return; + } + + /* Load the multicast filter. */ + cue_setmulti(sc); + + /* + * Set the number of RX and TX buffers that we want + * to reserve inside the ASIC. + */ + cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); + cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); + + /* Set advanced operation modes. */ + cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, + CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ + + /* Program the LED operation. */ + cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); + + if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { + if (cue_open_pipes(sc)) { + splx(s); + return; + } + } + + ifp->if_flags |= IFF_RUNNING; + ifp->if_flags &= ~IFF_OACTIVE; + + splx(s); + + usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); +} + +static int +cue_open_pipes(sc) + struct cue_softc *sc; +{ + struct cue_chain *c; + usbd_status err; + int i; + + /* Open RX and TX pipes. */ + err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], + USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); + if (err) { + printf("%s: open rx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + return (EIO); + } + err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], + USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); + if (err) { + printf("%s: open tx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + return (EIO); + } + + /* Start up the receive pipe. */ + for (i = 0; i < CUE_RX_LIST_CNT; i++) { + c = &sc->cue_cdata.cue_rx_chain[i]; + usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], + c, c->cue_buf, CUE_BUFSZ, + USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, + cue_rxeof); + usbd_transfer(c->cue_xfer); + } + + return (0); +} + +static int +cue_ioctl(ifp, command, data) + struct ifnet *ifp; + u_long command; + caddr_t data; +{ + struct cue_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; + + if (sc->cue_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; + cue_init(sc); + + switch (ifa->ifa_addr->sa_family) { +#ifdef INET + case AF_INET: +#if defined(__NetBSD__) + arp_ifinit(ifp, ifa); +#else + arp_ifinit(&sc->arpcom, ifa); +#endif + 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->cue_if_flags & IFF_PROMISC)) { + CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); + cue_setmulti(sc); + } else if (ifp->if_flags & IFF_RUNNING && + !(ifp->if_flags & IFF_PROMISC) && + sc->cue_if_flags & IFF_PROMISC) { + CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); + cue_setmulti(sc); + } else if (!(ifp->if_flags & IFF_RUNNING)) + cue_init(sc); + } else { + if (ifp->if_flags & IFF_RUNNING) + cue_stop(sc); + } + sc->cue_if_flags = ifp->if_flags; + error = 0; + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + cue_setmulti(sc); + error = 0; + break; + default: + error = EINVAL; + break; + } + + splx(s); + + return (error); +} + +static void +cue_watchdog(ifp) + struct ifnet *ifp; +{ + struct cue_softc *sc = ifp->if_softc; + + DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); + + if (sc->cue_dying) + return; + + ifp->if_oerrors++; + printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_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->cue_udev, 1); + cue_stop(sc); + cue_init(sc); + usbd_set_polling(sc->cue_udev, 0); + + if (ifp->if_snd.ifq_head != NULL) + cue_start(ifp); +} + +/* + * Stop the adapter and free any mbufs allocated to the + * RX and TX lists. + */ +static void +cue_stop(sc) + struct cue_softc *sc; +{ + usbd_status err; + struct ifnet *ifp; + int i; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); + + ifp = GET_IFP(sc); + ifp->if_timer = 0; + + cue_csr_write_1(sc, CUE_ETHCTL, 0); + cue_reset(sc); + usb_uncallout(sc->cue_stat_ch, cue_tick, sc); + + /* Stop transfers. */ + if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { + err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); + if (err) { + printf("%s: abort rx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); + if (err) { + printf("%s: close rx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + sc->cue_ep[CUE_ENDPT_RX] = NULL; + } + + if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { + err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); + if (err) { + printf("%s: abort tx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); + if (err) { + printf("%s: close tx pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + sc->cue_ep[CUE_ENDPT_TX] = NULL; + } + + if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { + err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); + if (err) { + printf("%s: abort intr pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); + if (err) { + printf("%s: close intr pipe failed: %s\n", + USBDEVNAME(sc->cue_dev), usbd_errstr(err)); + } + sc->cue_ep[CUE_ENDPT_INTR] = NULL; + } + + /* Free RX resources. */ + for (i = 0; i < CUE_RX_LIST_CNT; i++) { + if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { + m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); + sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; + } + if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { + usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); + sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; + } + } + + /* Free TX resources. */ + for (i = 0; i < CUE_TX_LIST_CNT; i++) { + if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { + m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); + sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; + } + if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { + usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); + sc->cue_cdata.cue_tx_chain[i].cue_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 +cue_shutdown(dev) + device_t dev; +{ + struct cue_softc *sc; + + sc = device_get_softc(dev); + + cue_reset(sc); + cue_stop(sc); +} +#endif |