2 * Copyright (c) 1997, 1998, 1999, 2000
3 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
32 * $FreeBSD: src/sys/dev/usb/if_kue.c,v 1.17.2.9 2003/04/13 02:39:25 murray Exp $
33 * $DragonFly: src/sys/dev/netif/kue/if_kue.c,v 1.13 2004/10/14 18:31:02 dillon Exp $
37 * Kawasaki LSI KL5KUSB101B USB to ethernet adapter driver.
39 * Written by Bill Paul <wpaul@ee.columbia.edu>
40 * Electrical Engineering Department
41 * Columbia University, New York City
45 * The KLSI USB to ethernet adapter chip contains an USB serial interface,
46 * ethernet MAC and embedded microcontroller (called the QT Engine).
47 * The chip must have firmware loaded into it before it will operate.
48 * Packets are passed between the chip and host via bulk transfers.
49 * There is an interrupt endpoint mentioned in the software spec, however
50 * it's currently unused. This device is 10Mbps half-duplex only, hence
51 * there is no media selection logic. The MAC supports a 128 entry
52 * multicast filter, though the exact size of the filter can depend
53 * on the firmware. Curiously, while the software spec describes various
54 * ethernet statistics counters, my sample adapter and firmware combination
55 * claims not to support any statistics counters at all.
57 * Note that once we load the firmware in the device, we have to be
58 * careful not to load it again: if you restart your computer but
59 * leave the adapter attached to the USB controller, it may remain
60 * powered on and retain its firmware. In this case, we don't need
61 * to load the firmware a second time.
63 * Special thanks to Rob Furr for providing an ADS Technologies
64 * adapter for development and testing. No monkeys were harmed during
65 * the development of this driver.
68 #include <sys/param.h>
69 #include <sys/systm.h>
70 #include <sys/sockio.h>
72 #include <sys/malloc.h>
73 #include <sys/kernel.h>
74 #include <sys/socket.h>
77 #include <net/if_arp.h>
78 #include <net/ethernet.h>
79 #include <net/if_dl.h>
80 #include <net/if_media.h>
85 #include <machine/bus.h>
86 #if defined(__DragonFly__) || __FreeBSD_version < 500000
87 #include <machine/clock.h>
90 #include <bus/usb/usb.h>
91 #include <bus/usb/usbdi.h>
92 #include <bus/usb/usbdi_util.h>
93 #include <bus/usb/usbdivar.h>
94 #include <bus/usb/usbdevs.h>
95 #include <bus/usb/usb_ethersubr.h>
97 #include "if_kuereg.h"
98 #include <bus/usb/kue_fw.h>
100 MODULE_DEPEND(kue, usb, 1, 1, 1);
103 * Various supported device vendors/products.
105 Static struct kue_type kue_devs[] = {
106 { USB_VENDOR_AOX, USB_PRODUCT_AOX_USB101 },
107 { USB_VENDOR_KLSI, USB_PRODUCT_AOX_USB101 },
108 { USB_VENDOR_ADS, USB_PRODUCT_ADS_UBS10BT },
109 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC10T },
110 { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_EA101 },
111 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET },
112 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET2 },
113 { USB_VENDOR_ENTREGA, USB_PRODUCT_ENTREGA_E45 },
114 { USB_VENDOR_3COM, USB_PRODUCT_3COM_3C19250 },
115 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_ETHER_USB_T },
116 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650C },
117 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2102USB },
118 { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T },
119 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BT },
120 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BTN },
121 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET3 },
122 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETT },
123 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_URE450 },
127 Static struct usb_qdat kue_qdat;
129 Static int kue_match(device_ptr_t);
130 Static int kue_attach(device_ptr_t);
131 Static int kue_detach(device_ptr_t);
132 Static void kue_shutdown(device_ptr_t);
133 Static int kue_tx_list_init(struct kue_softc *);
134 Static int kue_rx_list_init(struct kue_softc *);
135 Static int kue_newbuf(struct kue_softc *, struct kue_chain *, struct mbuf *);
136 Static int kue_encap(struct kue_softc *, struct mbuf *, int);
137 Static void kue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
138 Static void kue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
139 Static void kue_start(struct ifnet *);
140 Static void kue_rxstart(struct ifnet *);
141 Static int kue_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
142 Static void kue_init(void *);
143 Static void kue_stop(struct kue_softc *);
144 Static void kue_watchdog(struct ifnet *);
146 Static void kue_setmulti(struct kue_softc *);
147 Static void kue_reset(struct kue_softc *);
149 Static usbd_status kue_do_request(usbd_device_handle,
150 usb_device_request_t *, void *);
151 Static usbd_status kue_ctl(struct kue_softc *, int, u_int8_t,
152 u_int16_t, char *, int);
153 Static usbd_status kue_setword(struct kue_softc *, u_int8_t, u_int16_t);
154 Static int kue_load_fw(struct kue_softc *);
156 Static device_method_t kue_methods[] = {
157 /* Device interface */
158 DEVMETHOD(device_probe, kue_match),
159 DEVMETHOD(device_attach, kue_attach),
160 DEVMETHOD(device_detach, kue_detach),
161 DEVMETHOD(device_shutdown, kue_shutdown),
166 Static driver_t kue_driver = {
169 sizeof(struct kue_softc)
172 Static devclass_t kue_devclass;
174 DECLARE_DUMMY_MODULE(if_kue);
175 DRIVER_MODULE(kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
178 * We have a custom do_request function which is almost like the
179 * regular do_request function, except it has a much longer timeout.
180 * Why? Because we need to make requests over the control endpoint
181 * to download the firmware to the device, which can take longer
182 * than the default timeout.
185 kue_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
187 usbd_xfer_handle xfer;
190 xfer = usbd_alloc_xfer(dev);
191 usbd_setup_default_xfer(xfer, dev, 0, 500000, req,
192 data, UGETW(req->wLength), USBD_SHORT_XFER_OK, 0);
193 err = usbd_sync_transfer(xfer);
194 usbd_free_xfer(xfer);
199 kue_setword(struct kue_softc *sc, u_int8_t breq, u_int16_t word)
201 usbd_device_handle dev;
202 usb_device_request_t req;
206 return(USBD_NORMAL_COMPLETION);
212 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
215 USETW(req.wValue, word);
216 USETW(req.wIndex, 0);
217 USETW(req.wLength, 0);
219 err = kue_do_request(dev, &req, NULL);
227 kue_ctl(struct kue_softc *sc, int rw, u_int8_t breq, u_int16_t val,
230 usbd_device_handle dev;
231 usb_device_request_t req;
237 return(USBD_NORMAL_COMPLETION);
241 if (rw == KUE_CTL_WRITE)
242 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
244 req.bmRequestType = UT_READ_VENDOR_DEVICE;
247 USETW(req.wValue, val);
248 USETW(req.wIndex, 0);
249 USETW(req.wLength, len);
251 err = kue_do_request(dev, &req, data);
259 kue_load_fw(struct kue_softc *sc)
262 usb_device_descriptor_t *dd;
265 dd = &sc->kue_udev->ddesc;
266 hwrev = UGETW(dd->bcdDevice);
269 * First, check if we even need to load the firmware.
270 * If the device was still attached when the system was
271 * rebooted, it may already have firmware loaded in it.
272 * If this is the case, we don't need to do it again.
273 * And in fact, if we try to load it again, we'll hang,
274 * so we have to avoid this condition if we don't want
277 * We can test this quickly by checking the bcdRevision
278 * code. The NIC will return a different revision code if
279 * it's probed while the firmware is still loaded and
285 /* Load code segment */
286 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
287 0, kue_code_seg, sizeof(kue_code_seg));
289 printf("kue%d: failed to load code segment: %s\n",
290 sc->kue_unit, usbd_errstr(err));
294 /* Load fixup segment */
295 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
296 0, kue_fix_seg, sizeof(kue_fix_seg));
298 printf("kue%d: failed to load fixup segment: %s\n",
299 sc->kue_unit, usbd_errstr(err));
303 /* Send trigger command. */
304 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
305 0, kue_trig_seg, sizeof(kue_trig_seg));
307 printf("kue%d: failed to load trigger segment: %s\n",
308 sc->kue_unit, usbd_errstr(err));
316 kue_setmulti(struct kue_softc *sc)
319 struct ifmultiaddr *ifma;
322 ifp = &sc->arpcom.ac_if;
324 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
325 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
326 sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
327 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
331 sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
333 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
334 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
336 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
339 if (ifma->ifma_addr->sa_family != AF_LINK)
342 * If there are too many addresses for the
343 * internal filter, switch over to allmulti mode.
345 if (i == KUE_MCFILTCNT(sc))
347 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
348 KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
352 if (i == KUE_MCFILTCNT(sc))
353 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
355 sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
356 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
357 i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
360 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
366 * Issue a SET_CONFIGURATION command to reset the MAC. This should be
367 * done after the firmware is loaded into the adapter in order to
368 * bring it into proper operation.
371 kue_reset(struct kue_softc *sc)
373 if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0) ||
374 usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
376 printf("kue%d: getting interface handle failed\n",
380 /* Wait a little while for the chip to get its brains in order. */
386 * Probe for a KLSI chip.
390 USB_MATCH_START(kue, uaa);
398 if (uaa->vendor == t->kue_vid &&
399 uaa->product == t->kue_did) {
400 return(UMATCH_VENDOR_PRODUCT);
409 * Attach the interface. Allocate softc structures, do
410 * setup and ethernet/BPF attach.
414 USB_ATTACH_START(kue, sc, uaa);
418 usb_interface_descriptor_t *id;
419 usb_endpoint_descriptor_t *ed;
422 bzero(sc, sizeof(struct kue_softc));
423 sc->kue_iface = uaa->iface;
424 sc->kue_udev = uaa->device;
425 sc->kue_unit = device_get_unit(self);
427 id = usbd_get_interface_descriptor(uaa->iface);
429 usbd_devinfo(uaa->device, 0, devinfo);
430 device_set_desc_copy(self, devinfo);
431 printf("%s: %s\n", USBDEVNAME(self), devinfo);
433 /* Find endpoints. */
434 for (i = 0; i < id->bNumEndpoints; i++) {
435 ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
437 printf("kue%d: couldn't get ep %d\n",
439 USB_ATTACH_ERROR_RETURN;
441 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
442 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
443 sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
444 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
445 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
446 sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
447 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
448 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
449 sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
453 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
454 mtx_init(&sc->kue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
455 MTX_DEF | MTX_RECURSE);
459 /* Load the firmware into the NIC. */
460 if (kue_load_fw(sc)) {
462 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
463 mtx_destroy(&sc->kue_mtx);
465 USB_ATTACH_ERROR_RETURN;
468 /* Reset the adapter. */
471 /* Read ethernet descriptor */
472 err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
473 0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
475 sc->kue_mcfilters = malloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
478 ifp = &sc->arpcom.ac_if;
480 if_initname(ifp, "kue", sc->kue_unit);
481 ifp->if_mtu = ETHERMTU;
482 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
483 ifp->if_ioctl = kue_ioctl;
484 ifp->if_start = kue_start;
485 ifp->if_watchdog = kue_watchdog;
486 ifp->if_init = kue_init;
487 ifp->if_baudrate = 10000000;
488 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
491 kue_qdat.if_rxstart = kue_rxstart;
494 * Call MI attach routine.
496 ether_ifattach(ifp, sc->kue_desc.kue_macaddr);
497 usb_register_netisr();
502 USB_ATTACH_SUCCESS_RETURN;
506 kue_detach(device_ptr_t dev)
508 struct kue_softc *sc;
511 sc = device_get_softc(dev);
513 ifp = &sc->arpcom.ac_if;
520 if (sc->kue_ep[KUE_ENDPT_TX] != NULL)
521 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
522 if (sc->kue_ep[KUE_ENDPT_RX] != NULL)
523 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
524 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL)
525 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
527 if (sc->kue_mcfilters != NULL)
528 free(sc->kue_mcfilters, M_USBDEV);
531 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
532 mtx_destroy(&sc->kue_mtx);
539 * Initialize an RX descriptor and attach an MBUF cluster.
542 kue_newbuf(struct kue_softc *sc, struct kue_chain *c, struct mbuf *m)
544 struct mbuf *m_new = NULL;
547 MGETHDR(m_new, MB_DONTWAIT, MT_DATA);
549 printf("kue%d: no memory for rx list "
550 "-- packet dropped!\n", sc->kue_unit);
554 MCLGET(m_new, MB_DONTWAIT);
555 if (!(m_new->m_flags & M_EXT)) {
556 printf("kue%d: no memory for rx list "
557 "-- packet dropped!\n", sc->kue_unit);
561 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
564 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
565 m_new->m_data = m_new->m_ext.ext_buf;
574 kue_rx_list_init(struct kue_softc *sc)
576 struct kue_cdata *cd;
581 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
582 c = &cd->kue_rx_chain[i];
585 if (kue_newbuf(sc, c, NULL) == ENOBUFS)
587 if (c->kue_xfer == NULL) {
588 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
589 if (c->kue_xfer == NULL)
598 kue_tx_list_init(struct kue_softc *sc)
600 struct kue_cdata *cd;
605 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
606 c = &cd->kue_tx_chain[i];
610 if (c->kue_xfer == NULL) {
611 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
612 if (c->kue_xfer == NULL)
615 c->kue_buf = malloc(KUE_BUFSZ, M_USBDEV, M_WAITOK);
616 if (c->kue_buf == NULL)
624 kue_rxstart(struct ifnet *ifp)
626 struct kue_softc *sc;
631 c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
633 if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
638 /* Setup new transfer. */
639 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
640 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
641 USBD_NO_TIMEOUT, kue_rxeof);
642 usbd_transfer(c->kue_xfer);
650 * A frame has been uploaded: pass the resulting mbuf chain up to
651 * the higher level protocols.
653 Static void kue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv,
656 struct kue_softc *sc;
666 ifp = &sc->arpcom.ac_if;
668 if (!(ifp->if_flags & IFF_RUNNING)) {
673 if (status != USBD_NORMAL_COMPLETION) {
674 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
678 if (usbd_ratecheck(&sc->kue_rx_notice))
679 printf("kue%d: usb error on rx: %s\n", sc->kue_unit,
680 usbd_errstr(status));
681 if (status == USBD_STALLED)
682 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
686 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
691 len = *mtod(m, u_int16_t *);
692 m_adj(m, sizeof(u_int16_t));
694 /* No errors; receive the packet. */
697 if (len < sizeof(struct ether_header)) {
703 m->m_pkthdr.rcvif = (struct ifnet *)&kue_qdat;
704 m->m_pkthdr.len = m->m_len = total_len;
706 /* Put the packet on the special USB input queue. */
713 /* Setup new transfer. */
714 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
715 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
716 USBD_NO_TIMEOUT, kue_rxeof);
717 usbd_transfer(c->kue_xfer);
724 * A frame was downloaded to the chip. It's safe for us to clean up
729 kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
731 struct kue_softc *sc;
740 ifp = &sc->arpcom.ac_if;
742 ifp->if_flags &= ~IFF_OACTIVE;
744 if (status != USBD_NORMAL_COMPLETION) {
745 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
749 printf("kue%d: usb error on tx: %s\n", sc->kue_unit,
750 usbd_errstr(status));
751 if (status == USBD_STALLED)
752 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
757 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &err);
759 if (c->kue_mbuf != NULL) {
760 c->kue_mbuf->m_pkthdr.rcvif = ifp;
761 usb_tx_done(c->kue_mbuf);
776 kue_encap(struct kue_softc *sc, struct mbuf *m, int idx)
782 c = &sc->kue_cdata.kue_tx_chain[idx];
785 * Copy the mbuf data into a contiguous buffer, leaving two
786 * bytes at the beginning to hold the frame length.
788 m_copydata(m, 0, m->m_pkthdr.len, c->kue_buf + 2);
791 total_len = m->m_pkthdr.len + 2;
792 total_len += 64 - (total_len % 64);
794 /* Frame length is specified in the first 2 bytes of the buffer. */
795 c->kue_buf[0] = (u_int8_t)m->m_pkthdr.len;
796 c->kue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
798 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_TX],
799 c, c->kue_buf, total_len, 0, 10000, kue_txeof);
802 err = usbd_transfer(c->kue_xfer);
803 if (err != USBD_IN_PROGRESS) {
808 sc->kue_cdata.kue_tx_cnt++;
814 kue_start(struct ifnet *ifp)
816 struct kue_softc *sc;
817 struct mbuf *m_head = NULL;
822 if (ifp->if_flags & IFF_OACTIVE) {
827 IF_DEQUEUE(&ifp->if_snd, m_head);
828 if (m_head == NULL) {
833 if (kue_encap(sc, m_head, 0)) {
834 IF_PREPEND(&ifp->if_snd, m_head);
835 ifp->if_flags |= IFF_OACTIVE;
841 * If there's a BPF listener, bounce a copy of this frame
844 BPF_MTAP(ifp, m_head);
846 ifp->if_flags |= IFF_OACTIVE;
849 * Set a timeout in case the chip goes out to lunch.
860 struct kue_softc *sc = xsc;
861 struct ifnet *ifp = &sc->arpcom.ac_if;
868 if (ifp->if_flags & IFF_RUNNING) {
873 /* Set MAC address */
874 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MAC,
875 0, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
877 sc->kue_rxfilt = KUE_RXFILT_UNICAST|KUE_RXFILT_BROADCAST;
879 /* If we want promiscuous mode, set the allframes bit. */
880 if (ifp->if_flags & IFF_PROMISC)
881 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
883 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
885 /* I'm not sure how to tune these. */
888 * Leave this one alone for now; setting it
889 * wrong causes lockups on some machines/controllers.
891 kue_setword(sc, KUE_CMD_SET_SOFS, 1);
893 kue_setword(sc, KUE_CMD_SET_URB_SIZE, 64);
896 if (kue_tx_list_init(sc) == ENOBUFS) {
897 printf("kue%d: tx list init failed\n", sc->kue_unit);
903 if (kue_rx_list_init(sc) == ENOBUFS) {
904 printf("kue%d: rx list init failed\n", sc->kue_unit);
909 /* Load the multicast filter. */
912 /* Open RX and TX pipes. */
913 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_RX],
914 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_RX]);
916 printf("kue%d: open rx pipe failed: %s\n",
917 sc->kue_unit, usbd_errstr(err));
922 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_TX],
923 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_TX]);
925 printf("kue%d: open tx pipe failed: %s\n",
926 sc->kue_unit, usbd_errstr(err));
931 /* Start up the receive pipe. */
932 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
933 c = &sc->kue_cdata.kue_rx_chain[i];
934 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
935 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ,
936 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, kue_rxeof);
937 usbd_transfer(c->kue_xfer);
940 ifp->if_flags |= IFF_RUNNING;
941 ifp->if_flags &= ~IFF_OACTIVE;
949 kue_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
951 struct kue_softc *sc = ifp->if_softc;
958 if (ifp->if_flags & IFF_UP) {
959 if (ifp->if_flags & IFF_RUNNING &&
960 ifp->if_flags & IFF_PROMISC &&
961 !(sc->kue_if_flags & IFF_PROMISC)) {
962 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
963 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
965 } else if (ifp->if_flags & IFF_RUNNING &&
966 !(ifp->if_flags & IFF_PROMISC) &&
967 sc->kue_if_flags & IFF_PROMISC) {
968 sc->kue_rxfilt &= ~KUE_RXFILT_PROMISC;
969 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
971 } else if (!(ifp->if_flags & IFF_RUNNING))
974 if (ifp->if_flags & IFF_RUNNING)
977 sc->kue_if_flags = ifp->if_flags;
986 error = ether_ioctl(ifp, command, data);
996 kue_watchdog(struct ifnet *ifp)
998 struct kue_softc *sc;
1005 printf("kue%d: watchdog timeout\n", sc->kue_unit);
1007 c = &sc->kue_cdata.kue_tx_chain[0];
1008 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &stat);
1009 kue_txeof(c->kue_xfer, c, stat);
1011 if (ifp->if_snd.ifq_head != NULL)
1019 * Stop the adapter and free any mbufs allocated to the
1023 kue_stop(struct kue_softc *sc)
1030 ifp = &sc->arpcom.ac_if;
1033 /* Stop transfers. */
1034 if (sc->kue_ep[KUE_ENDPT_RX] != NULL) {
1035 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1037 printf("kue%d: abort rx pipe failed: %s\n",
1038 sc->kue_unit, usbd_errstr(err));
1040 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1042 printf("kue%d: close rx pipe failed: %s\n",
1043 sc->kue_unit, usbd_errstr(err));
1045 sc->kue_ep[KUE_ENDPT_RX] = NULL;
1048 if (sc->kue_ep[KUE_ENDPT_TX] != NULL) {
1049 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1051 printf("kue%d: abort tx pipe failed: %s\n",
1052 sc->kue_unit, usbd_errstr(err));
1054 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1056 printf("kue%d: close tx pipe failed: %s\n",
1057 sc->kue_unit, usbd_errstr(err));
1059 sc->kue_ep[KUE_ENDPT_TX] = NULL;
1062 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL) {
1063 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1065 printf("kue%d: abort intr pipe failed: %s\n",
1066 sc->kue_unit, usbd_errstr(err));
1068 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1070 printf("kue%d: close intr pipe failed: %s\n",
1071 sc->kue_unit, usbd_errstr(err));
1073 sc->kue_ep[KUE_ENDPT_INTR] = NULL;
1076 /* Free RX resources. */
1077 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
1078 if (sc->kue_cdata.kue_rx_chain[i].kue_buf != NULL) {
1079 free(sc->kue_cdata.kue_rx_chain[i].kue_buf, M_USBDEV);
1080 sc->kue_cdata.kue_rx_chain[i].kue_buf = NULL;
1082 if (sc->kue_cdata.kue_rx_chain[i].kue_mbuf != NULL) {
1083 m_freem(sc->kue_cdata.kue_rx_chain[i].kue_mbuf);
1084 sc->kue_cdata.kue_rx_chain[i].kue_mbuf = NULL;
1086 if (sc->kue_cdata.kue_rx_chain[i].kue_xfer != NULL) {
1087 usbd_free_xfer(sc->kue_cdata.kue_rx_chain[i].kue_xfer);
1088 sc->kue_cdata.kue_rx_chain[i].kue_xfer = NULL;
1092 /* Free TX resources. */
1093 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
1094 if (sc->kue_cdata.kue_tx_chain[i].kue_buf != NULL) {
1095 free(sc->kue_cdata.kue_tx_chain[i].kue_buf, M_USBDEV);
1096 sc->kue_cdata.kue_tx_chain[i].kue_buf = NULL;
1098 if (sc->kue_cdata.kue_tx_chain[i].kue_mbuf != NULL) {
1099 m_freem(sc->kue_cdata.kue_tx_chain[i].kue_mbuf);
1100 sc->kue_cdata.kue_tx_chain[i].kue_mbuf = NULL;
1102 if (sc->kue_cdata.kue_tx_chain[i].kue_xfer != NULL) {
1103 usbd_free_xfer(sc->kue_cdata.kue_tx_chain[i].kue_xfer);
1104 sc->kue_cdata.kue_tx_chain[i].kue_xfer = NULL;
1108 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1115 * Stop all chip I/O so that the kernel's probe routines don't
1116 * get confused by errant DMAs when rebooting.
1119 kue_shutdown(device_ptr_t dev)
1121 struct kue_softc *sc;
1123 sc = device_get_softc(dev);