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 1.15 2005/02/21 18:40:36 joerg 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/ifq_var.h>
78 #include <net/if_arp.h>
79 #include <net/ethernet.h>
80 #include <net/if_dl.h>
81 #include <net/if_media.h>
86 #include <machine/bus.h>
87 #if defined(__DragonFly__) || __FreeBSD_version < 500000
88 #include <machine/clock.h>
91 #include <bus/usb/usb.h>
92 #include <bus/usb/usbdi.h>
93 #include <bus/usb/usbdi_util.h>
94 #include <bus/usb/usbdivar.h>
95 #include <bus/usb/usbdevs.h>
96 #include <bus/usb/usb_ethersubr.h>
98 #include "if_kuereg.h"
99 #include <bus/usb/kue_fw.h>
101 MODULE_DEPEND(kue, usb, 1, 1, 1);
104 * Various supported device vendors/products.
106 Static struct kue_type kue_devs[] = {
107 { USB_VENDOR_AOX, USB_PRODUCT_AOX_USB101 },
108 { USB_VENDOR_KLSI, USB_PRODUCT_AOX_USB101 },
109 { USB_VENDOR_ADS, USB_PRODUCT_ADS_UBS10BT },
110 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC10T },
111 { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_EA101 },
112 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET },
113 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET2 },
114 { USB_VENDOR_ENTREGA, USB_PRODUCT_ENTREGA_E45 },
115 { USB_VENDOR_3COM, USB_PRODUCT_3COM_3C19250 },
116 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_ETHER_USB_T },
117 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650C },
118 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2102USB },
119 { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T },
120 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BT },
121 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BTN },
122 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET3 },
123 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETT },
124 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_URE450 },
128 Static int kue_match(device_ptr_t);
129 Static int kue_attach(device_ptr_t);
130 Static int kue_detach(device_ptr_t);
131 Static void kue_shutdown(device_ptr_t);
132 Static int kue_tx_list_init(struct kue_softc *);
133 Static int kue_rx_list_init(struct kue_softc *);
134 Static int kue_newbuf(struct kue_softc *, struct kue_chain *, struct mbuf *);
135 Static int kue_encap(struct kue_softc *, struct mbuf *, int);
136 Static void kue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
137 Static void kue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
138 Static void kue_start(struct ifnet *);
139 Static void kue_rxstart(struct ifnet *);
140 Static int kue_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
141 Static void kue_init(void *);
142 Static void kue_stop(struct kue_softc *);
143 Static void kue_watchdog(struct ifnet *);
145 Static void kue_setmulti(struct kue_softc *);
146 Static void kue_reset(struct kue_softc *);
148 Static usbd_status kue_do_request(usbd_device_handle,
149 usb_device_request_t *, void *);
150 Static usbd_status kue_ctl(struct kue_softc *, int, u_int8_t,
151 u_int16_t, char *, int);
152 Static usbd_status kue_setword(struct kue_softc *, u_int8_t, u_int16_t);
153 Static int kue_load_fw(struct kue_softc *);
155 Static device_method_t kue_methods[] = {
156 /* Device interface */
157 DEVMETHOD(device_probe, kue_match),
158 DEVMETHOD(device_attach, kue_attach),
159 DEVMETHOD(device_detach, kue_detach),
160 DEVMETHOD(device_shutdown, kue_shutdown),
165 Static driver_t kue_driver = {
168 sizeof(struct kue_softc)
171 Static devclass_t kue_devclass;
173 DECLARE_DUMMY_MODULE(if_kue);
174 DRIVER_MODULE(kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
177 * We have a custom do_request function which is almost like the
178 * regular do_request function, except it has a much longer timeout.
179 * Why? Because we need to make requests over the control endpoint
180 * to download the firmware to the device, which can take longer
181 * than the default timeout.
184 kue_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
186 usbd_xfer_handle xfer;
189 xfer = usbd_alloc_xfer(dev);
190 usbd_setup_default_xfer(xfer, dev, 0, 500000, req,
191 data, UGETW(req->wLength), USBD_SHORT_XFER_OK, 0);
192 err = usbd_sync_transfer(xfer);
193 usbd_free_xfer(xfer);
198 kue_setword(struct kue_softc *sc, u_int8_t breq, u_int16_t word)
200 usbd_device_handle dev;
201 usb_device_request_t req;
205 return(USBD_NORMAL_COMPLETION);
211 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
214 USETW(req.wValue, word);
215 USETW(req.wIndex, 0);
216 USETW(req.wLength, 0);
218 err = kue_do_request(dev, &req, NULL);
226 kue_ctl(struct kue_softc *sc, int rw, u_int8_t breq, u_int16_t val,
229 usbd_device_handle dev;
230 usb_device_request_t req;
236 return(USBD_NORMAL_COMPLETION);
240 if (rw == KUE_CTL_WRITE)
241 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
243 req.bmRequestType = UT_READ_VENDOR_DEVICE;
246 USETW(req.wValue, val);
247 USETW(req.wIndex, 0);
248 USETW(req.wLength, len);
250 err = kue_do_request(dev, &req, data);
258 kue_load_fw(struct kue_softc *sc)
261 usb_device_descriptor_t *dd;
264 dd = &sc->kue_udev->ddesc;
265 hwrev = UGETW(dd->bcdDevice);
268 * First, check if we even need to load the firmware.
269 * If the device was still attached when the system was
270 * rebooted, it may already have firmware loaded in it.
271 * If this is the case, we don't need to do it again.
272 * And in fact, if we try to load it again, we'll hang,
273 * so we have to avoid this condition if we don't want
276 * We can test this quickly by checking the bcdRevision
277 * code. The NIC will return a different revision code if
278 * it's probed while the firmware is still loaded and
284 /* Load code segment */
285 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
286 0, kue_code_seg, sizeof(kue_code_seg));
288 printf("kue%d: failed to load code segment: %s\n",
289 sc->kue_unit, usbd_errstr(err));
293 /* Load fixup segment */
294 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
295 0, kue_fix_seg, sizeof(kue_fix_seg));
297 printf("kue%d: failed to load fixup segment: %s\n",
298 sc->kue_unit, usbd_errstr(err));
302 /* Send trigger command. */
303 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
304 0, kue_trig_seg, sizeof(kue_trig_seg));
306 printf("kue%d: failed to load trigger segment: %s\n",
307 sc->kue_unit, usbd_errstr(err));
315 kue_setmulti(struct kue_softc *sc)
318 struct ifmultiaddr *ifma;
321 ifp = &sc->arpcom.ac_if;
323 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
324 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
325 sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
326 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
330 sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
332 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
333 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
335 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
338 if (ifma->ifma_addr->sa_family != AF_LINK)
341 * If there are too many addresses for the
342 * internal filter, switch over to allmulti mode.
344 if (i == KUE_MCFILTCNT(sc))
346 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
347 KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
351 if (i == KUE_MCFILTCNT(sc))
352 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
354 sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
355 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
356 i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
359 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
365 * Issue a SET_CONFIGURATION command to reset the MAC. This should be
366 * done after the firmware is loaded into the adapter in order to
367 * bring it into proper operation.
370 kue_reset(struct kue_softc *sc)
372 if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0) ||
373 usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
375 printf("kue%d: getting interface handle failed\n",
379 /* Wait a little while for the chip to get its brains in order. */
385 * Probe for a KLSI chip.
389 USB_MATCH_START(kue, uaa);
397 if (uaa->vendor == t->kue_vid &&
398 uaa->product == t->kue_did) {
399 return(UMATCH_VENDOR_PRODUCT);
408 * Attach the interface. Allocate softc structures, do
409 * setup and ethernet/BPF attach.
413 USB_ATTACH_START(kue, sc, uaa);
417 usb_interface_descriptor_t *id;
418 usb_endpoint_descriptor_t *ed;
421 bzero(sc, sizeof(struct kue_softc));
422 sc->kue_iface = uaa->iface;
423 sc->kue_udev = uaa->device;
424 sc->kue_unit = device_get_unit(self);
426 id = usbd_get_interface_descriptor(uaa->iface);
428 usbd_devinfo(uaa->device, 0, devinfo);
429 device_set_desc_copy(self, devinfo);
430 printf("%s: %s\n", USBDEVNAME(self), devinfo);
432 /* Find endpoints. */
433 for (i = 0; i < id->bNumEndpoints; i++) {
434 ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
436 printf("kue%d: couldn't get ep %d\n",
438 USB_ATTACH_ERROR_RETURN;
440 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
441 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
442 sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
443 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
444 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
445 sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
446 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
447 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
448 sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
452 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
453 mtx_init(&sc->kue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
454 MTX_DEF | MTX_RECURSE);
458 /* Load the firmware into the NIC. */
459 if (kue_load_fw(sc)) {
461 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
462 mtx_destroy(&sc->kue_mtx);
464 USB_ATTACH_ERROR_RETURN;
467 /* Reset the adapter. */
470 /* Read ethernet descriptor */
471 err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
472 0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
474 sc->kue_mcfilters = malloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
477 ifp = &sc->arpcom.ac_if;
479 if_initname(ifp, "kue", sc->kue_unit);
480 ifp->if_mtu = ETHERMTU;
481 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
482 ifp->if_ioctl = kue_ioctl;
483 ifp->if_start = kue_start;
484 ifp->if_watchdog = kue_watchdog;
485 ifp->if_init = kue_init;
486 ifp->if_baudrate = 10000000;
487 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
488 ifq_set_ready(&ifp->if_snd);
491 * Call MI attach routine.
493 ether_ifattach(ifp, sc->kue_desc.kue_macaddr);
494 usb_register_netisr();
499 USB_ATTACH_SUCCESS_RETURN;
503 kue_detach(device_ptr_t dev)
505 struct kue_softc *sc;
508 sc = device_get_softc(dev);
510 ifp = &sc->arpcom.ac_if;
517 if (sc->kue_ep[KUE_ENDPT_TX] != NULL)
518 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
519 if (sc->kue_ep[KUE_ENDPT_RX] != NULL)
520 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
521 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL)
522 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
524 if (sc->kue_mcfilters != NULL)
525 free(sc->kue_mcfilters, M_USBDEV);
528 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
529 mtx_destroy(&sc->kue_mtx);
536 * Initialize an RX descriptor and attach an MBUF cluster.
539 kue_newbuf(struct kue_softc *sc, struct kue_chain *c, struct mbuf *m)
541 struct mbuf *m_new = NULL;
544 MGETHDR(m_new, MB_DONTWAIT, MT_DATA);
546 printf("kue%d: no memory for rx list "
547 "-- packet dropped!\n", sc->kue_unit);
551 MCLGET(m_new, MB_DONTWAIT);
552 if (!(m_new->m_flags & M_EXT)) {
553 printf("kue%d: no memory for rx list "
554 "-- packet dropped!\n", sc->kue_unit);
558 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
561 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
562 m_new->m_data = m_new->m_ext.ext_buf;
571 kue_rx_list_init(struct kue_softc *sc)
573 struct kue_cdata *cd;
578 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
579 c = &cd->kue_rx_chain[i];
582 if (kue_newbuf(sc, c, NULL) == ENOBUFS)
584 if (c->kue_xfer == NULL) {
585 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
586 if (c->kue_xfer == NULL)
595 kue_tx_list_init(struct kue_softc *sc)
597 struct kue_cdata *cd;
602 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
603 c = &cd->kue_tx_chain[i];
607 if (c->kue_xfer == NULL) {
608 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
609 if (c->kue_xfer == NULL)
612 c->kue_buf = malloc(KUE_BUFSZ, M_USBDEV, M_WAITOK);
613 if (c->kue_buf == NULL)
621 kue_rxstart(struct ifnet *ifp)
623 struct kue_softc *sc;
628 c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
630 if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
635 /* Setup new transfer. */
636 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
637 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
638 USBD_NO_TIMEOUT, kue_rxeof);
639 usbd_transfer(c->kue_xfer);
647 * A frame has been uploaded: pass the resulting mbuf chain up to
648 * the higher level protocols.
650 Static void kue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv,
653 struct kue_softc *sc;
663 ifp = &sc->arpcom.ac_if;
665 if (!(ifp->if_flags & IFF_RUNNING)) {
670 if (status != USBD_NORMAL_COMPLETION) {
671 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
675 if (usbd_ratecheck(&sc->kue_rx_notice))
676 printf("kue%d: usb error on rx: %s\n", sc->kue_unit,
677 usbd_errstr(status));
678 if (status == USBD_STALLED)
679 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
683 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
688 len = *mtod(m, u_int16_t *);
689 m_adj(m, sizeof(u_int16_t));
691 /* No errors; receive the packet. */
694 if (len < sizeof(struct ether_header)) {
700 m->m_pkthdr.rcvif = ifp;
701 m->m_pkthdr.len = m->m_len = total_len;
703 /* Put the packet on the special USB input queue. */
712 /* Setup new transfer. */
713 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
714 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
715 USBD_NO_TIMEOUT, kue_rxeof);
716 usbd_transfer(c->kue_xfer);
723 * A frame was downloaded to the chip. It's safe for us to clean up
728 kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
730 struct kue_softc *sc;
739 ifp = &sc->arpcom.ac_if;
741 ifp->if_flags &= ~IFF_OACTIVE;
743 if (status != USBD_NORMAL_COMPLETION) {
744 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
748 printf("kue%d: usb error on tx: %s\n", sc->kue_unit,
749 usbd_errstr(status));
750 if (status == USBD_STALLED)
751 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
756 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &err);
758 if (c->kue_mbuf != NULL) {
759 m_freem(c->kue_mbuf);
768 if (!ifq_is_empty(&ifp->if_snd))
769 (*ifp->if_start)(ifp);
777 kue_encap(struct kue_softc *sc, struct mbuf *m, int idx)
783 c = &sc->kue_cdata.kue_tx_chain[idx];
786 * Copy the mbuf data into a contiguous buffer, leaving two
787 * bytes at the beginning to hold the frame length.
789 m_copydata(m, 0, m->m_pkthdr.len, c->kue_buf + 2);
792 total_len = m->m_pkthdr.len + 2;
793 total_len += 64 - (total_len % 64);
795 /* Frame length is specified in the first 2 bytes of the buffer. */
796 c->kue_buf[0] = (u_int8_t)m->m_pkthdr.len;
797 c->kue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
799 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_TX],
800 c, c->kue_buf, total_len, 0, 10000, kue_txeof);
803 err = usbd_transfer(c->kue_xfer);
804 if (err != USBD_IN_PROGRESS) {
809 sc->kue_cdata.kue_tx_cnt++;
815 kue_start(struct ifnet *ifp)
817 struct kue_softc *sc;
818 struct mbuf *m_head = NULL;
823 if (ifp->if_flags & IFF_OACTIVE) {
828 m_head = ifq_poll(&ifp->if_snd);
829 if (m_head == NULL) {
834 if (kue_encap(sc, m_head, 0)) {
835 ifp->if_flags |= IFF_OACTIVE;
839 m_head = ifq_dequeue(&ifp->if_snd);
842 * If there's a BPF listener, bounce a copy of this frame
845 BPF_MTAP(ifp, m_head);
847 ifp->if_flags |= IFF_OACTIVE;
850 * Set a timeout in case the chip goes out to lunch.
861 struct kue_softc *sc = xsc;
862 struct ifnet *ifp = &sc->arpcom.ac_if;
869 if (ifp->if_flags & IFF_RUNNING) {
874 /* Set MAC address */
875 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MAC,
876 0, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
878 sc->kue_rxfilt = KUE_RXFILT_UNICAST|KUE_RXFILT_BROADCAST;
880 /* If we want promiscuous mode, set the allframes bit. */
881 if (ifp->if_flags & IFF_PROMISC)
882 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
884 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
886 /* I'm not sure how to tune these. */
889 * Leave this one alone for now; setting it
890 * wrong causes lockups on some machines/controllers.
892 kue_setword(sc, KUE_CMD_SET_SOFS, 1);
894 kue_setword(sc, KUE_CMD_SET_URB_SIZE, 64);
897 if (kue_tx_list_init(sc) == ENOBUFS) {
898 printf("kue%d: tx list init failed\n", sc->kue_unit);
904 if (kue_rx_list_init(sc) == ENOBUFS) {
905 printf("kue%d: rx list init failed\n", sc->kue_unit);
910 /* Load the multicast filter. */
913 /* Open RX and TX pipes. */
914 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_RX],
915 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_RX]);
917 printf("kue%d: open rx pipe failed: %s\n",
918 sc->kue_unit, usbd_errstr(err));
923 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_TX],
924 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_TX]);
926 printf("kue%d: open tx pipe failed: %s\n",
927 sc->kue_unit, usbd_errstr(err));
932 /* Start up the receive pipe. */
933 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
934 c = &sc->kue_cdata.kue_rx_chain[i];
935 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
936 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ,
937 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, kue_rxeof);
938 usbd_transfer(c->kue_xfer);
941 ifp->if_flags |= IFF_RUNNING;
942 ifp->if_flags &= ~IFF_OACTIVE;
950 kue_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
952 struct kue_softc *sc = ifp->if_softc;
959 if (ifp->if_flags & IFF_UP) {
960 if (ifp->if_flags & IFF_RUNNING &&
961 ifp->if_flags & IFF_PROMISC &&
962 !(sc->kue_if_flags & IFF_PROMISC)) {
963 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
964 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
966 } else if (ifp->if_flags & IFF_RUNNING &&
967 !(ifp->if_flags & IFF_PROMISC) &&
968 sc->kue_if_flags & IFF_PROMISC) {
969 sc->kue_rxfilt &= ~KUE_RXFILT_PROMISC;
970 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
972 } else if (!(ifp->if_flags & IFF_RUNNING))
975 if (ifp->if_flags & IFF_RUNNING)
978 sc->kue_if_flags = ifp->if_flags;
987 error = ether_ioctl(ifp, command, data);
997 kue_watchdog(struct ifnet *ifp)
999 struct kue_softc *sc;
1000 struct kue_chain *c;
1006 printf("kue%d: watchdog timeout\n", sc->kue_unit);
1008 c = &sc->kue_cdata.kue_tx_chain[0];
1009 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &stat);
1010 kue_txeof(c->kue_xfer, c, stat);
1012 if (ifq_is_empty(&ifp->if_snd))
1020 * Stop the adapter and free any mbufs allocated to the
1024 kue_stop(struct kue_softc *sc)
1031 ifp = &sc->arpcom.ac_if;
1034 /* Stop transfers. */
1035 if (sc->kue_ep[KUE_ENDPT_RX] != NULL) {
1036 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1038 printf("kue%d: abort rx pipe failed: %s\n",
1039 sc->kue_unit, usbd_errstr(err));
1041 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1043 printf("kue%d: close rx pipe failed: %s\n",
1044 sc->kue_unit, usbd_errstr(err));
1046 sc->kue_ep[KUE_ENDPT_RX] = NULL;
1049 if (sc->kue_ep[KUE_ENDPT_TX] != NULL) {
1050 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1052 printf("kue%d: abort tx pipe failed: %s\n",
1053 sc->kue_unit, usbd_errstr(err));
1055 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1057 printf("kue%d: close tx pipe failed: %s\n",
1058 sc->kue_unit, usbd_errstr(err));
1060 sc->kue_ep[KUE_ENDPT_TX] = NULL;
1063 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL) {
1064 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1066 printf("kue%d: abort intr pipe failed: %s\n",
1067 sc->kue_unit, usbd_errstr(err));
1069 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1071 printf("kue%d: close intr pipe failed: %s\n",
1072 sc->kue_unit, usbd_errstr(err));
1074 sc->kue_ep[KUE_ENDPT_INTR] = NULL;
1077 /* Free RX resources. */
1078 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
1079 if (sc->kue_cdata.kue_rx_chain[i].kue_buf != NULL) {
1080 free(sc->kue_cdata.kue_rx_chain[i].kue_buf, M_USBDEV);
1081 sc->kue_cdata.kue_rx_chain[i].kue_buf = NULL;
1083 if (sc->kue_cdata.kue_rx_chain[i].kue_mbuf != NULL) {
1084 m_freem(sc->kue_cdata.kue_rx_chain[i].kue_mbuf);
1085 sc->kue_cdata.kue_rx_chain[i].kue_mbuf = NULL;
1087 if (sc->kue_cdata.kue_rx_chain[i].kue_xfer != NULL) {
1088 usbd_free_xfer(sc->kue_cdata.kue_rx_chain[i].kue_xfer);
1089 sc->kue_cdata.kue_rx_chain[i].kue_xfer = NULL;
1093 /* Free TX resources. */
1094 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
1095 if (sc->kue_cdata.kue_tx_chain[i].kue_buf != NULL) {
1096 free(sc->kue_cdata.kue_tx_chain[i].kue_buf, M_USBDEV);
1097 sc->kue_cdata.kue_tx_chain[i].kue_buf = NULL;
1099 if (sc->kue_cdata.kue_tx_chain[i].kue_mbuf != NULL) {
1100 m_freem(sc->kue_cdata.kue_tx_chain[i].kue_mbuf);
1101 sc->kue_cdata.kue_tx_chain[i].kue_mbuf = NULL;
1103 if (sc->kue_cdata.kue_tx_chain[i].kue_xfer != NULL) {
1104 usbd_free_xfer(sc->kue_cdata.kue_tx_chain[i].kue_xfer);
1105 sc->kue_cdata.kue_tx_chain[i].kue_xfer = NULL;
1109 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1116 * Stop all chip I/O so that the kernel's probe routines don't
1117 * get confused by errant DMAs when rebooting.
1120 kue_shutdown(device_ptr_t dev)
1122 struct kue_softc *sc;
1124 sc = device_get_softc(dev);