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 1.12 2004/07/23 07:16:26 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/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);
101 MODULE_DEPEND(kue, ether, 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 struct usb_qdat kue_qdat;
130 Static int kue_match(device_ptr_t);
131 Static int kue_attach(device_ptr_t);
132 Static int kue_detach(device_ptr_t);
133 Static void kue_shutdown(device_ptr_t);
134 Static int kue_tx_list_init(struct kue_softc *);
135 Static int kue_rx_list_init(struct kue_softc *);
136 Static int kue_newbuf(struct kue_softc *, struct kue_chain *, struct mbuf *);
137 Static int kue_encap(struct kue_softc *, struct mbuf *, int);
138 Static void kue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
139 Static void kue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
140 Static void kue_start(struct ifnet *);
141 Static void kue_rxstart(struct ifnet *);
142 Static int kue_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
143 Static void kue_init(void *);
144 Static void kue_stop(struct kue_softc *);
145 Static void kue_watchdog(struct ifnet *);
147 Static void kue_setmulti(struct kue_softc *);
148 Static void kue_reset(struct kue_softc *);
150 Static usbd_status kue_do_request(usbd_device_handle,
151 usb_device_request_t *, void *);
152 Static usbd_status kue_ctl(struct kue_softc *, int, u_int8_t,
153 u_int16_t, char *, int);
154 Static usbd_status kue_setword(struct kue_softc *, u_int8_t, u_int16_t);
155 Static int kue_load_fw(struct kue_softc *);
157 Static device_method_t kue_methods[] = {
158 /* Device interface */
159 DEVMETHOD(device_probe, kue_match),
160 DEVMETHOD(device_attach, kue_attach),
161 DEVMETHOD(device_detach, kue_detach),
162 DEVMETHOD(device_shutdown, kue_shutdown),
167 Static driver_t kue_driver = {
170 sizeof(struct kue_softc)
173 Static devclass_t kue_devclass;
175 DECLARE_DUMMY_MODULE(if_kue);
176 DRIVER_MODULE(kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
179 * We have a custom do_request function which is almost like the
180 * regular do_request function, except it has a much longer timeout.
181 * Why? Because we need to make requests over the control endpoint
182 * to download the firmware to the device, which can take longer
183 * than the default timeout.
186 kue_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
188 usbd_xfer_handle xfer;
191 xfer = usbd_alloc_xfer(dev);
192 usbd_setup_default_xfer(xfer, dev, 0, 500000, req,
193 data, UGETW(req->wLength), USBD_SHORT_XFER_OK, 0);
194 err = usbd_sync_transfer(xfer);
195 usbd_free_xfer(xfer);
200 kue_setword(struct kue_softc *sc, u_int8_t breq, u_int16_t word)
202 usbd_device_handle dev;
203 usb_device_request_t req;
207 return(USBD_NORMAL_COMPLETION);
213 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
216 USETW(req.wValue, word);
217 USETW(req.wIndex, 0);
218 USETW(req.wLength, 0);
220 err = kue_do_request(dev, &req, NULL);
228 kue_ctl(struct kue_softc *sc, int rw, u_int8_t breq, u_int16_t val,
231 usbd_device_handle dev;
232 usb_device_request_t req;
238 return(USBD_NORMAL_COMPLETION);
242 if (rw == KUE_CTL_WRITE)
243 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
245 req.bmRequestType = UT_READ_VENDOR_DEVICE;
248 USETW(req.wValue, val);
249 USETW(req.wIndex, 0);
250 USETW(req.wLength, len);
252 err = kue_do_request(dev, &req, data);
260 kue_load_fw(struct kue_softc *sc)
263 usb_device_descriptor_t *dd;
266 dd = &sc->kue_udev->ddesc;
267 hwrev = UGETW(dd->bcdDevice);
270 * First, check if we even need to load the firmware.
271 * If the device was still attached when the system was
272 * rebooted, it may already have firmware loaded in it.
273 * If this is the case, we don't need to do it again.
274 * And in fact, if we try to load it again, we'll hang,
275 * so we have to avoid this condition if we don't want
278 * We can test this quickly by checking the bcdRevision
279 * code. The NIC will return a different revision code if
280 * it's probed while the firmware is still loaded and
286 /* Load code segment */
287 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
288 0, kue_code_seg, sizeof(kue_code_seg));
290 printf("kue%d: failed to load code segment: %s\n",
291 sc->kue_unit, usbd_errstr(err));
295 /* Load fixup segment */
296 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
297 0, kue_fix_seg, sizeof(kue_fix_seg));
299 printf("kue%d: failed to load fixup segment: %s\n",
300 sc->kue_unit, usbd_errstr(err));
304 /* Send trigger command. */
305 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
306 0, kue_trig_seg, sizeof(kue_trig_seg));
308 printf("kue%d: failed to load trigger segment: %s\n",
309 sc->kue_unit, usbd_errstr(err));
317 kue_setmulti(struct kue_softc *sc)
320 struct ifmultiaddr *ifma;
323 ifp = &sc->arpcom.ac_if;
325 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
326 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
327 sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
328 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
332 sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
334 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
335 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
337 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
340 if (ifma->ifma_addr->sa_family != AF_LINK)
343 * If there are too many addresses for the
344 * internal filter, switch over to allmulti mode.
346 if (i == KUE_MCFILTCNT(sc))
348 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
349 KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
353 if (i == KUE_MCFILTCNT(sc))
354 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
356 sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
357 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
358 i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
361 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
367 * Issue a SET_CONFIGURATION command to reset the MAC. This should be
368 * done after the firmware is loaded into the adapter in order to
369 * bring it into proper operation.
372 kue_reset(struct kue_softc *sc)
374 if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0) ||
375 usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
377 printf("kue%d: getting interface handle failed\n",
381 /* Wait a little while for the chip to get its brains in order. */
387 * Probe for a KLSI chip.
391 USB_MATCH_START(kue, uaa);
399 if (uaa->vendor == t->kue_vid &&
400 uaa->product == t->kue_did) {
401 return(UMATCH_VENDOR_PRODUCT);
410 * Attach the interface. Allocate softc structures, do
411 * setup and ethernet/BPF attach.
415 USB_ATTACH_START(kue, sc, uaa);
419 usb_interface_descriptor_t *id;
420 usb_endpoint_descriptor_t *ed;
423 bzero(sc, sizeof(struct kue_softc));
424 sc->kue_iface = uaa->iface;
425 sc->kue_udev = uaa->device;
426 sc->kue_unit = device_get_unit(self);
428 id = usbd_get_interface_descriptor(uaa->iface);
430 usbd_devinfo(uaa->device, 0, devinfo);
431 device_set_desc_copy(self, devinfo);
432 printf("%s: %s\n", USBDEVNAME(self), devinfo);
434 /* Find endpoints. */
435 for (i = 0; i < id->bNumEndpoints; i++) {
436 ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
438 printf("kue%d: couldn't get ep %d\n",
440 USB_ATTACH_ERROR_RETURN;
442 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
443 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
444 sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
445 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
446 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
447 sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
448 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
449 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
450 sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
454 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
455 mtx_init(&sc->kue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
456 MTX_DEF | MTX_RECURSE);
460 /* Load the firmware into the NIC. */
461 if (kue_load_fw(sc)) {
463 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
464 mtx_destroy(&sc->kue_mtx);
466 USB_ATTACH_ERROR_RETURN;
469 /* Reset the adapter. */
472 /* Read ethernet descriptor */
473 err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
474 0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
476 sc->kue_mcfilters = malloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
479 ifp = &sc->arpcom.ac_if;
481 if_initname(ifp, "kue", sc->kue_unit);
482 ifp->if_mtu = ETHERMTU;
483 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
484 ifp->if_ioctl = kue_ioctl;
485 ifp->if_start = kue_start;
486 ifp->if_watchdog = kue_watchdog;
487 ifp->if_init = kue_init;
488 ifp->if_baudrate = 10000000;
489 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
492 kue_qdat.if_rxstart = kue_rxstart;
495 * Call MI attach routine.
497 ether_ifattach(ifp, sc->kue_desc.kue_macaddr);
498 usb_register_netisr();
503 USB_ATTACH_SUCCESS_RETURN;
507 kue_detach(device_ptr_t dev)
509 struct kue_softc *sc;
512 sc = device_get_softc(dev);
514 ifp = &sc->arpcom.ac_if;
521 if (sc->kue_ep[KUE_ENDPT_TX] != NULL)
522 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
523 if (sc->kue_ep[KUE_ENDPT_RX] != NULL)
524 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
525 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL)
526 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
528 if (sc->kue_mcfilters != NULL)
529 free(sc->kue_mcfilters, M_USBDEV);
532 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
533 mtx_destroy(&sc->kue_mtx);
540 * Initialize an RX descriptor and attach an MBUF cluster.
543 kue_newbuf(struct kue_softc *sc, struct kue_chain *c, struct mbuf *m)
545 struct mbuf *m_new = NULL;
548 MGETHDR(m_new, MB_DONTWAIT, MT_DATA);
550 printf("kue%d: no memory for rx list "
551 "-- packet dropped!\n", sc->kue_unit);
555 MCLGET(m_new, MB_DONTWAIT);
556 if (!(m_new->m_flags & M_EXT)) {
557 printf("kue%d: no memory for rx list "
558 "-- packet dropped!\n", sc->kue_unit);
562 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
565 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
566 m_new->m_data = m_new->m_ext.ext_buf;
575 kue_rx_list_init(struct kue_softc *sc)
577 struct kue_cdata *cd;
582 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
583 c = &cd->kue_rx_chain[i];
586 if (kue_newbuf(sc, c, NULL) == ENOBUFS)
588 if (c->kue_xfer == NULL) {
589 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
590 if (c->kue_xfer == NULL)
599 kue_tx_list_init(struct kue_softc *sc)
601 struct kue_cdata *cd;
606 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
607 c = &cd->kue_tx_chain[i];
611 if (c->kue_xfer == NULL) {
612 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
613 if (c->kue_xfer == NULL)
616 c->kue_buf = malloc(KUE_BUFSZ, M_USBDEV, M_WAITOK);
617 if (c->kue_buf == NULL)
625 kue_rxstart(struct ifnet *ifp)
627 struct kue_softc *sc;
632 c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
634 if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
639 /* Setup new transfer. */
640 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
641 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
642 USBD_NO_TIMEOUT, kue_rxeof);
643 usbd_transfer(c->kue_xfer);
651 * A frame has been uploaded: pass the resulting mbuf chain up to
652 * the higher level protocols.
654 Static void kue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv,
657 struct kue_softc *sc;
667 ifp = &sc->arpcom.ac_if;
669 if (!(ifp->if_flags & IFF_RUNNING)) {
674 if (status != USBD_NORMAL_COMPLETION) {
675 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
679 if (usbd_ratecheck(&sc->kue_rx_notice))
680 printf("kue%d: usb error on rx: %s\n", sc->kue_unit,
681 usbd_errstr(status));
682 if (status == USBD_STALLED)
683 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
687 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
692 len = *mtod(m, u_int16_t *);
693 m_adj(m, sizeof(u_int16_t));
695 /* No errors; receive the packet. */
698 if (len < sizeof(struct ether_header)) {
704 m->m_pkthdr.rcvif = (struct ifnet *)&kue_qdat;
705 m->m_pkthdr.len = m->m_len = total_len;
707 /* Put the packet on the special USB input queue. */
714 /* Setup new transfer. */
715 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
716 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
717 USBD_NO_TIMEOUT, kue_rxeof);
718 usbd_transfer(c->kue_xfer);
725 * A frame was downloaded to the chip. It's safe for us to clean up
730 kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
732 struct kue_softc *sc;
741 ifp = &sc->arpcom.ac_if;
743 ifp->if_flags &= ~IFF_OACTIVE;
745 if (status != USBD_NORMAL_COMPLETION) {
746 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
750 printf("kue%d: usb error on tx: %s\n", sc->kue_unit,
751 usbd_errstr(status));
752 if (status == USBD_STALLED)
753 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
758 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &err);
760 if (c->kue_mbuf != NULL) {
761 c->kue_mbuf->m_pkthdr.rcvif = ifp;
762 usb_tx_done(c->kue_mbuf);
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 IF_DEQUEUE(&ifp->if_snd, m_head);
829 if (m_head == NULL) {
834 if (kue_encap(sc, m_head, 0)) {
835 IF_PREPEND(&ifp->if_snd, m_head);
836 ifp->if_flags |= IFF_OACTIVE;
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 (ifp->if_snd.ifq_head != NULL)
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);