--- /dev/null
+/* $OpenBSD: if_kue.c,v 1.1 2000/03/26 18:49:44 aaron Exp $ */
+/* $NetBSD: if_kue.c,v 1.21 2000/03/24 22:03:30 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
+ */
+#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 <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+
+#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
+
+#include <net/if_media.h>
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+
+#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_3COM, USB_PRODUCT_3COM_3C460 },
+ { 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 },
+ { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_USB101 },
+ { 0, 0 }
+};
+
+USB_DECLARE_DRIVER(kue);
+
+int kue_tx_list_init __P((struct kue_softc *));
+int kue_rx_list_init __P((struct kue_softc *));
+int kue_newbuf __P((struct kue_softc *, struct kue_chain *,
+ struct mbuf *));
+int kue_send __P((struct kue_softc *, struct mbuf *, int));
+int kue_open_pipes __P((struct kue_softc *));
+void kue_rxeof __P((usbd_xfer_handle,
+ usbd_private_handle, usbd_status));
+void kue_txeof __P((usbd_xfer_handle,
+ usbd_private_handle, usbd_status));
+void kue_start __P((struct ifnet *));
+int kue_ioctl __P((struct ifnet *, u_long, caddr_t));
+void kue_init __P((void *));
+void kue_stop __P((struct kue_softc *));
+void kue_watchdog __P((struct ifnet *));
+
+void kue_setmulti __P((struct kue_softc *));
+void kue_reset __P((struct kue_softc *));
+
+usbd_status kue_ctl __P((struct kue_softc *, int, u_int8_t,
+ u_int16_t, void *, u_int32_t));
+usbd_status kue_setword __P((struct kue_softc *, u_int8_t, u_int16_t));
+int kue_load_fw __P((struct kue_softc *));
+
+#define KUE_DO_REQUEST(dev, req, data) \
+ usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL)
+
+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);
+ splx(s);
+
+ return (err);
+}
+
+usbd_status
+kue_ctl(sc, rw, breq, val, data, len)
+ struct kue_softc *sc;
+ int rw;
+ u_int8_t breq;
+ u_int16_t val;
+ void *data;
+ u_int32_t len;
+{
+ 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);
+ splx(s);
+
+ return (err);
+}
+
+int
+kue_load_fw(sc)
+ struct kue_softc *sc;
+{
+ usbd_status err;
+
+ 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 issuing a request that
+ * is only valid after firmware download.
+ */
+ err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
+ 0, &sc->kue_desc, sizeof(sc->kue_desc));
+ if (!err) {
+ 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);
+}
+
+void
+kue_setmulti(sc)
+ struct kue_softc *sc;
+{
+ struct ifnet *ifp;
+ struct arpcom *ac = &sc->arpcom;
+ struct ether_multi *enm;
+ struct ether_multistep step;
+ int i;
+
+ ifp = &sc->arpcom.ac_if;
+
+ 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;
+ ETHER_FIRST_MULTI(step, ac, 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++;
+ }
+
+ 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.
+ */
+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;
+
+ 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);
+ USB_ATTACH_ERROR_RETURN;
+ }
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == 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, &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;
+ }
+
+ s = splimp();
+
+ /*
+ * A KLSI chip was detected. Inform the world.
+ */
+ printf("%s: Ethernet address %s\n", USBDEVNAME(sc->kue_dev),
+ ether_sprintf(sc->kue_desc.kue_macaddr));
+
+ /* Initialize interface info.*/
+ ifp = &sc->arpcom.ac_if;
+ 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;
+ strncpy(ifp->if_xname, USBDEVNAME(sc->kue_dev), IFNAMSIZ);
+
+ /* Attach the interface. */
+ if_attach(ifp);
+ ether_ifattach(ifp);
+
+#if NBPFILTER > 0
+ bpfattach(&sc->arpcom.ac_if.if_bpf, ifp, DLT_EN10MB,
+ sizeof(struct ether_header));
+#endif
+ 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 = &sc->arpcom.ac_if;
+ 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 NBPFILTER > 0
+ bpfdetach(ifp);
+#endif
+ ether_ifdetach(ifp);
+
+ 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);
+}
+
+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:
+ sc->kue_dying = 1;
+ return (EOPNOTSUPP);
+ break;
+ }
+ return (0);
+}
+
+/*
+ * Initialize an RX descriptor and attach an MBUF cluster.
+ */
+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);
+}
+
+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);
+}
+
+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.
+ */
+void
+kue_rxeof(xfer, priv, status)
+ usbd_xfer_handle xfer;
+ usbd_private_handle priv;
+ usbd_status status;
+{
+ struct ether_header *eh;
+ struct kue_chain *c = priv;
+ struct kue_softc *sc = c->kue_sc;
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+ struct mbuf *m;
+ int total_len = 0;
+ int s;
+
+ 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;
+ sc->kue_rx_errs++;
+ if (usbd_ratecheck(&sc->kue_rx_notice)) {
+ printf("%s: %u usb errors on rx: %s\n",
+ USBDEVNAME(sc->kue_dev), sc->kue_rx_errs,
+ usbd_errstr(status));
+ sc->kue_rx_errs = 0;
+ }
+ 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 *))));
+
+ if (total_len <= 1)
+ goto done;
+
+ m = c->kue_mbuf;
+ /* 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;
+
+ m->m_pkthdr.rcvif = ifp;
+
+ s = splimp();
+
+ /* XXX ugly */
+ if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
+ ifp->if_ierrors++;
+ goto done1;
+ }
+
+ eh = mtod(m, struct ether_header *);
+
+#if NBPFILTER > 0
+ if (ifp->if_bpf)
+ bpf_mtap(ifp->if_bpf, m);
+#endif
+
+ DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->kue_dev),
+ __FUNCTION__, m->m_len));
+ ether_input(ifp, eh, m);
+ done1:
+ splx(s);
+
+ 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.
+ */
+
+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 = &sc->arpcom.ac_if;
+ 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++;
+
+ m_freem(c->kue_mbuf);
+ c->kue_mbuf = NULL;
+
+ if (ifp->if_snd.ifq_head != NULL)
+ kue_start(ifp);
+
+ splx(s);
+}
+
+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);
+}
+
+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 NBPFILTER > 0
+ /*
+ * If there's a BPF listener, bounce a copy of this frame
+ * to him.
+ */
+ if (ifp->if_bpf)
+ bpf_mtap(ifp->if_bpf, m_head);
+#endif
+
+ ifp->if_flags |= IFF_OACTIVE;
+
+ /*
+ * Set a timeout in case the chip goes out to lunch.
+ */
+ ifp->if_timer = 5;
+}
+
+void
+kue_init(xsc)
+ void *xsc;
+{
+ struct kue_softc *sc = xsc;
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+ 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();
+
+ eaddr = sc->arpcom.ac_enaddr;
+
+ /* 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);
+}
+
+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);
+ DPRINTFN(5,("%s: %s: start read\n", USBDEVNAME(sc->kue_dev),
+ __FUNCTION__));
+ usbd_transfer(c->kue_xfer);
+ }
+
+ return (0);
+}
+
+int
+kue_ioctl(ifp, command, data)
+ struct ifnet *ifp;
+ u_long command;
+ caddr_t data;
+{
+ struct kue_softc *sc = ifp->if_softc;
+ struct ifaddr *ifa = (struct ifaddr *)data;
+ struct ifreq *ifr = (struct ifreq *)data;
+ 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) {
+ case SIOCSIFADDR:
+ ifp->if_flags |= IFF_UP;
+ kue_init(sc);
+
+ switch (ifa->ifa_addr->sa_family) {
+#ifdef INET
+ case AF_INET:
+ arp_ifinit(&sc->arpcom, 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 *)
+ sc->arpcom.ac_enaddr;
+ else
+ memcpy(sc->arpcom.ac_enaddr,
+ 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;
+
+ 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);
+}
+
+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.
+ */
+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 = &sc->arpcom.ac_if;
+ 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
projects / openbsd / commitdiff