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 1.26 2007/11/05 13:32:27 hasso 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>
78 #include <net/ifq_var.h>
79 #include <net/if_arp.h>
80 #include <net/ethernet.h>
81 #include <net/if_dl.h>
82 #include <net/if_media.h>
85 #include <machine/clock.h>
87 #include <bus/usb/usb.h>
88 #include <bus/usb/usbdi.h>
89 #include <bus/usb/usbdi_util.h>
90 #include <bus/usb/usbdivar.h>
91 #include <bus/usb/usbdevs.h>
92 #include <bus/usb/usb_ethersubr.h>
94 #include "if_kuereg.h"
95 #include <bus/usb/kue_fw.h>
97 MODULE_DEPEND(kue, usb, 1, 1, 1);
100 * Various supported device vendors/products.
102 static const struct usb_devno kue_devs[] = {
103 { USB_DEVICE(0x03e8, 0x0008) }, /* AOX USB101 */
104 { USB_DEVICE(0x04bb, 0x0901) }, /* I-O DATA USBETT */
105 { USB_DEVICE(0x0506, 0x03e8) }, /* 3Com 3C19250 */
106 { USB_DEVICE(0x0557, 0x2002) }, /* ATen UC10T */
107 { USB_DEVICE(0x0565, 0x0002) }, /* Peracom Ethernet adapter */
108 { USB_DEVICE(0x0565, 0x0003) }, /* Peracom Ethernet adapter*/
109 { USB_DEVICE(0x0565, 0x0005) }, /* Peracom Ethernet adapter */
110 { USB_DEVICE(0x05e9, 0x0008) }, /* AOX (rebranded Kawasaki?) USB101*/
111 { USB_DEVICE(0x05e9, 0x0008) }, /* Kawasaki LSI DUH3E10BT */
112 { USB_DEVICE(0x05e9, 0x0009) }, /* Kawasaki LSI DUH3E10BTN */
113 { USB_DEVICE(0x066b, 0x2202) }, /* Linksys USB10T */
114 { USB_DEVICE(0x06e1, 0x0008) }, /* ADS UBS-10BT */
115 { USB_DEVICE(0x0707, 0x0100) }, /* SMC 2102USB */
116 { USB_DEVICE(0x07aa, 0x0001) }, /* Corega USB-T*/
117 { USB_DEVICE(0x07b8, 0x4000) }, /* AboCom URE450 */
118 { USB_DEVICE(0x0846, 0x1001) }, /* Netgear EA101 */
119 { USB_DEVICE(0x1645, 0x0005) }, /* Entrega E45*/
120 { USB_DEVICE(0x2001, 0x4000) }, /* D-Link DSB650C */
123 static int kue_match(device_t);
124 static int kue_attach(device_t);
125 static int kue_detach(device_t);
126 static void kue_shutdown(device_t);
127 static int kue_tx_list_init(struct kue_softc *);
128 static int kue_rx_list_init(struct kue_softc *);
129 static int kue_newbuf(struct kue_softc *, struct kue_chain *, struct mbuf *);
130 static int kue_encap(struct kue_softc *, struct mbuf *, int);
131 static void kue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
132 static void kue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
133 static void kue_start(struct ifnet *);
134 static void kue_rxstart(struct ifnet *);
135 static int kue_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
136 static void kue_init(void *);
137 static void kue_stop(struct kue_softc *);
138 static void kue_watchdog(struct ifnet *);
140 static void kue_setmulti(struct kue_softc *);
141 static void kue_reset(struct kue_softc *);
143 static usbd_status kue_do_request(usbd_device_handle,
144 usb_device_request_t *, void *);
145 static usbd_status kue_ctl(struct kue_softc *, int, u_int8_t,
146 u_int16_t, char *, int);
147 static usbd_status kue_setword(struct kue_softc *, u_int8_t, u_int16_t);
148 static int kue_load_fw(struct kue_softc *);
150 static device_method_t kue_methods[] = {
151 /* Device interface */
152 DEVMETHOD(device_probe, kue_match),
153 DEVMETHOD(device_attach, kue_attach),
154 DEVMETHOD(device_detach, kue_detach),
155 DEVMETHOD(device_shutdown, kue_shutdown),
160 static driver_t kue_driver = {
163 sizeof(struct kue_softc)
166 static devclass_t kue_devclass;
168 DECLARE_DUMMY_MODULE(if_kue);
169 DRIVER_MODULE(kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
172 * We have a custom do_request function which is almost like the
173 * regular do_request function, except it has a much longer timeout.
174 * Why? Because we need to make requests over the control endpoint
175 * to download the firmware to the device, which can take longer
176 * than the default timeout.
179 kue_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
181 usbd_xfer_handle xfer;
184 xfer = usbd_alloc_xfer(dev);
185 usbd_setup_default_xfer(xfer, dev, 0, 500000, req,
186 data, UGETW(req->wLength), USBD_SHORT_XFER_OK, 0);
187 err = usbd_sync_transfer(xfer);
188 usbd_free_xfer(xfer);
193 kue_setword(struct kue_softc *sc, u_int8_t breq, u_int16_t word)
195 usbd_device_handle dev;
196 usb_device_request_t req;
200 return(USBD_NORMAL_COMPLETION);
206 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
209 USETW(req.wValue, word);
210 USETW(req.wIndex, 0);
211 USETW(req.wLength, 0);
213 err = kue_do_request(dev, &req, NULL);
221 kue_ctl(struct kue_softc *sc, int rw, u_int8_t breq, u_int16_t val,
224 usbd_device_handle dev;
225 usb_device_request_t req;
231 return(USBD_NORMAL_COMPLETION);
235 if (rw == KUE_CTL_WRITE)
236 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
238 req.bmRequestType = UT_READ_VENDOR_DEVICE;
241 USETW(req.wValue, val);
242 USETW(req.wIndex, 0);
243 USETW(req.wLength, len);
245 err = kue_do_request(dev, &req, data);
253 kue_load_fw(struct kue_softc *sc)
256 usb_device_descriptor_t *dd;
259 dd = &sc->kue_udev->ddesc;
260 hwrev = UGETW(dd->bcdDevice);
263 * First, check if we even need to load the firmware.
264 * If the device was still attached when the system was
265 * rebooted, it may already have firmware loaded in it.
266 * If this is the case, we don't need to do it again.
267 * And in fact, if we try to load it again, we'll hang,
268 * so we have to avoid this condition if we don't want
271 * We can test this quickly by checking the bcdRevision
272 * code. The NIC will return a different revision code if
273 * it's probed while the firmware is still loaded and
279 /* Load code segment */
280 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
281 0, kue_code_seg, sizeof(kue_code_seg));
283 kprintf("kue%d: failed to load code segment: %s\n",
284 sc->kue_unit, usbd_errstr(err));
288 /* Load fixup segment */
289 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
290 0, kue_fix_seg, sizeof(kue_fix_seg));
292 kprintf("kue%d: failed to load fixup segment: %s\n",
293 sc->kue_unit, usbd_errstr(err));
297 /* Send trigger command. */
298 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
299 0, kue_trig_seg, sizeof(kue_trig_seg));
301 kprintf("kue%d: failed to load trigger segment: %s\n",
302 sc->kue_unit, usbd_errstr(err));
310 kue_setmulti(struct kue_softc *sc)
313 struct ifmultiaddr *ifma;
316 ifp = &sc->arpcom.ac_if;
318 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
319 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
320 sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
321 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
325 sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
327 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
328 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
330 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
333 if (ifma->ifma_addr->sa_family != AF_LINK)
336 * If there are too many addresses for the
337 * internal filter, switch over to allmulti mode.
339 if (i == KUE_MCFILTCNT(sc))
341 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
342 KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
346 if (i == KUE_MCFILTCNT(sc))
347 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
349 sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
350 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
351 i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
354 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
360 * Issue a SET_CONFIGURATION command to reset the MAC. This should be
361 * done after the firmware is loaded into the adapter in order to
362 * bring it into proper operation.
365 kue_reset(struct kue_softc *sc)
367 if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0) ||
368 usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
370 kprintf("kue%d: getting interface handle failed\n",
374 /* Wait a little while for the chip to get its brains in order. */
380 * Probe for a KLSI chip.
383 kue_match(device_t self)
385 struct usb_attach_arg *uaa = device_get_ivars(self);
387 if (uaa->iface == NULL)
390 return (usb_lookup(kue_devs, uaa->vendor, uaa->product) != NULL ?
391 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
395 * Attach the interface. Allocate softc structures, do
396 * setup and ethernet/BPF attach.
399 kue_attach(device_t self)
401 struct kue_softc *sc = device_get_softc(self);
402 struct usb_attach_arg *uaa = device_get_ivars(self);
406 usb_interface_descriptor_t *id;
407 usb_endpoint_descriptor_t *ed;
410 sc->kue_iface = uaa->iface;
411 sc->kue_udev = uaa->device;
412 sc->kue_unit = device_get_unit(self);
414 id = usbd_get_interface_descriptor(uaa->iface);
416 usbd_devinfo(uaa->device, 0, devinfo);
417 device_set_desc_copy(self, devinfo);
418 kprintf("%s: %s\n", device_get_nameunit(self), devinfo);
420 /* Find endpoints. */
421 for (i = 0; i < id->bNumEndpoints; i++) {
422 ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
424 kprintf("kue%d: couldn't get ep %d\n",
428 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
429 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
430 sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
431 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
432 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
433 sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
434 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
435 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
436 sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
440 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
441 mtx_init(&sc->kue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
442 MTX_DEF | MTX_RECURSE);
446 /* Load the firmware into the NIC. */
447 if (kue_load_fw(sc)) {
449 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
450 mtx_destroy(&sc->kue_mtx);
455 /* Reset the adapter. */
458 /* Read ethernet descriptor */
459 err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
460 0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
462 sc->kue_mcfilters = kmalloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
465 ifp = &sc->arpcom.ac_if;
467 if_initname(ifp, "kue", sc->kue_unit);
468 ifp->if_mtu = ETHERMTU;
469 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
470 ifp->if_ioctl = kue_ioctl;
471 ifp->if_start = kue_start;
472 ifp->if_watchdog = kue_watchdog;
473 ifp->if_init = kue_init;
474 ifp->if_baudrate = 10000000;
475 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
476 ifq_set_ready(&ifp->if_snd);
479 * Call MI attach routine.
481 ether_ifattach(ifp, sc->kue_desc.kue_macaddr, NULL);
482 usb_register_netisr();
491 kue_detach(device_t dev)
493 struct kue_softc *sc;
496 sc = device_get_softc(dev);
498 ifp = &sc->arpcom.ac_if;
505 if (sc->kue_ep[KUE_ENDPT_TX] != NULL)
506 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
507 if (sc->kue_ep[KUE_ENDPT_RX] != NULL)
508 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
509 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL)
510 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
512 if (sc->kue_mcfilters != NULL)
513 kfree(sc->kue_mcfilters, M_USBDEV);
516 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
517 mtx_destroy(&sc->kue_mtx);
524 * Initialize an RX descriptor and attach an MBUF cluster.
527 kue_newbuf(struct kue_softc *sc, struct kue_chain *c, struct mbuf *m)
529 struct mbuf *m_new = NULL;
532 MGETHDR(m_new, MB_DONTWAIT, MT_DATA);
534 kprintf("kue%d: no memory for rx list "
535 "-- packet dropped!\n", sc->kue_unit);
539 MCLGET(m_new, MB_DONTWAIT);
540 if (!(m_new->m_flags & M_EXT)) {
541 kprintf("kue%d: no memory for rx list "
542 "-- packet dropped!\n", sc->kue_unit);
546 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
549 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
550 m_new->m_data = m_new->m_ext.ext_buf;
559 kue_rx_list_init(struct kue_softc *sc)
561 struct kue_cdata *cd;
566 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
567 c = &cd->kue_rx_chain[i];
570 if (kue_newbuf(sc, c, NULL) == ENOBUFS)
572 if (c->kue_xfer == NULL) {
573 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
574 if (c->kue_xfer == NULL)
583 kue_tx_list_init(struct kue_softc *sc)
585 struct kue_cdata *cd;
590 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
591 c = &cd->kue_tx_chain[i];
595 if (c->kue_xfer == NULL) {
596 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
597 if (c->kue_xfer == NULL)
600 c->kue_buf = kmalloc(KUE_BUFSZ, M_USBDEV, M_WAITOK);
601 if (c->kue_buf == NULL)
609 kue_rxstart(struct ifnet *ifp)
611 struct kue_softc *sc;
616 c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
618 if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
623 /* Setup new transfer. */
624 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
625 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
626 USBD_NO_TIMEOUT, kue_rxeof);
627 usbd_transfer(c->kue_xfer);
635 * A frame has been uploaded: pass the resulting mbuf chain up to
636 * the higher level protocols.
639 kue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
641 struct kue_softc *sc;
651 ifp = &sc->arpcom.ac_if;
653 if (!(ifp->if_flags & IFF_RUNNING)) {
658 if (status != USBD_NORMAL_COMPLETION) {
659 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
663 if (usbd_ratecheck(&sc->kue_rx_notice))
664 kprintf("kue%d: usb error on rx: %s\n", sc->kue_unit,
665 usbd_errstr(status));
666 if (status == USBD_STALLED)
667 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
671 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
676 len = *mtod(m, u_int16_t *);
677 m_adj(m, sizeof(u_int16_t));
679 /* No errors; receive the packet. */
682 if (len < sizeof(struct ether_header)) {
688 m->m_pkthdr.rcvif = ifp;
689 m->m_pkthdr.len = m->m_len = total_len;
691 /* Put the packet on the special USB input queue. */
700 /* Setup new transfer. */
701 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
702 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
703 USBD_NO_TIMEOUT, kue_rxeof);
704 usbd_transfer(c->kue_xfer);
711 * A frame was downloaded to the chip. It's safe for us to clean up
716 kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
718 struct kue_softc *sc;
727 ifp = &sc->arpcom.ac_if;
729 ifp->if_flags &= ~IFF_OACTIVE;
731 if (status != USBD_NORMAL_COMPLETION) {
732 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
736 kprintf("kue%d: usb error on tx: %s\n", sc->kue_unit,
737 usbd_errstr(status));
738 if (status == USBD_STALLED)
739 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
744 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &err);
746 if (c->kue_mbuf != NULL) {
747 m_freem(c->kue_mbuf);
756 if (!ifq_is_empty(&ifp->if_snd))
757 (*ifp->if_start)(ifp);
765 kue_encap(struct kue_softc *sc, struct mbuf *m, int idx)
771 c = &sc->kue_cdata.kue_tx_chain[idx];
774 * Copy the mbuf data into a contiguous buffer, leaving two
775 * bytes at the beginning to hold the frame length.
777 m_copydata(m, 0, m->m_pkthdr.len, c->kue_buf + 2);
780 total_len = m->m_pkthdr.len + 2;
781 total_len += 64 - (total_len % 64);
783 /* Frame length is specified in the first 2 bytes of the buffer. */
784 c->kue_buf[0] = (u_int8_t)m->m_pkthdr.len;
785 c->kue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
787 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_TX],
788 c, c->kue_buf, total_len, 0, 10000, kue_txeof);
791 err = usbd_transfer(c->kue_xfer);
792 if (err != USBD_IN_PROGRESS) {
797 sc->kue_cdata.kue_tx_cnt++;
803 kue_start(struct ifnet *ifp)
805 struct kue_softc *sc;
806 struct mbuf *m_head = NULL;
811 if (ifp->if_flags & IFF_OACTIVE) {
816 m_head = ifq_poll(&ifp->if_snd);
817 if (m_head == NULL) {
822 if (kue_encap(sc, m_head, 0)) {
823 ifp->if_flags |= IFF_OACTIVE;
827 ifq_dequeue(&ifp->if_snd, m_head);
830 * If there's a BPF listener, bounce a copy of this frame
833 BPF_MTAP(ifp, m_head);
835 ifp->if_flags |= IFF_OACTIVE;
838 * Set a timeout in case the chip goes out to lunch.
849 struct kue_softc *sc = xsc;
850 struct ifnet *ifp = &sc->arpcom.ac_if;
857 if (ifp->if_flags & IFF_RUNNING) {
862 /* Set MAC address */
863 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MAC,
864 0, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
866 sc->kue_rxfilt = KUE_RXFILT_UNICAST|KUE_RXFILT_BROADCAST;
868 /* If we want promiscuous mode, set the allframes bit. */
869 if (ifp->if_flags & IFF_PROMISC)
870 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
872 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
874 /* I'm not sure how to tune these. */
877 * Leave this one alone for now; setting it
878 * wrong causes lockups on some machines/controllers.
880 kue_setword(sc, KUE_CMD_SET_SOFS, 1);
882 kue_setword(sc, KUE_CMD_SET_URB_SIZE, 64);
885 if (kue_tx_list_init(sc) == ENOBUFS) {
886 kprintf("kue%d: tx list init failed\n", sc->kue_unit);
892 if (kue_rx_list_init(sc) == ENOBUFS) {
893 kprintf("kue%d: rx list init failed\n", sc->kue_unit);
898 /* Load the multicast filter. */
901 /* Open RX and TX pipes. */
902 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_RX],
903 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_RX]);
905 kprintf("kue%d: open rx pipe failed: %s\n",
906 sc->kue_unit, usbd_errstr(err));
911 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_TX],
912 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_TX]);
914 kprintf("kue%d: open tx pipe failed: %s\n",
915 sc->kue_unit, usbd_errstr(err));
920 /* Start up the receive pipe. */
921 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
922 c = &sc->kue_cdata.kue_rx_chain[i];
923 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
924 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ,
925 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, kue_rxeof);
926 usbd_transfer(c->kue_xfer);
929 ifp->if_flags |= IFF_RUNNING;
930 ifp->if_flags &= ~IFF_OACTIVE;
938 kue_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
940 struct kue_softc *sc = ifp->if_softc;
947 if (ifp->if_flags & IFF_UP) {
948 if (ifp->if_flags & IFF_RUNNING &&
949 ifp->if_flags & IFF_PROMISC &&
950 !(sc->kue_if_flags & IFF_PROMISC)) {
951 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
952 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
954 } else if (ifp->if_flags & IFF_RUNNING &&
955 !(ifp->if_flags & IFF_PROMISC) &&
956 sc->kue_if_flags & IFF_PROMISC) {
957 sc->kue_rxfilt &= ~KUE_RXFILT_PROMISC;
958 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
960 } else if (!(ifp->if_flags & IFF_RUNNING))
963 if (ifp->if_flags & IFF_RUNNING)
966 sc->kue_if_flags = ifp->if_flags;
975 error = ether_ioctl(ifp, command, data);
985 kue_watchdog(struct ifnet *ifp)
987 struct kue_softc *sc;
994 kprintf("kue%d: watchdog timeout\n", sc->kue_unit);
996 c = &sc->kue_cdata.kue_tx_chain[0];
997 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &stat);
998 kue_txeof(c->kue_xfer, c, stat);
1000 if (ifq_is_empty(&ifp->if_snd))
1008 * Stop the adapter and free any mbufs allocated to the
1012 kue_stop(struct kue_softc *sc)
1019 ifp = &sc->arpcom.ac_if;
1022 /* Stop transfers. */
1023 if (sc->kue_ep[KUE_ENDPT_RX] != NULL) {
1024 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1026 kprintf("kue%d: abort rx pipe failed: %s\n",
1027 sc->kue_unit, usbd_errstr(err));
1029 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1031 kprintf("kue%d: close rx pipe failed: %s\n",
1032 sc->kue_unit, usbd_errstr(err));
1034 sc->kue_ep[KUE_ENDPT_RX] = NULL;
1037 if (sc->kue_ep[KUE_ENDPT_TX] != NULL) {
1038 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1040 kprintf("kue%d: abort tx pipe failed: %s\n",
1041 sc->kue_unit, usbd_errstr(err));
1043 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1045 kprintf("kue%d: close tx pipe failed: %s\n",
1046 sc->kue_unit, usbd_errstr(err));
1048 sc->kue_ep[KUE_ENDPT_TX] = NULL;
1051 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL) {
1052 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1054 kprintf("kue%d: abort intr pipe failed: %s\n",
1055 sc->kue_unit, usbd_errstr(err));
1057 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1059 kprintf("kue%d: close intr pipe failed: %s\n",
1060 sc->kue_unit, usbd_errstr(err));
1062 sc->kue_ep[KUE_ENDPT_INTR] = NULL;
1065 /* Free RX resources. */
1066 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
1067 if (sc->kue_cdata.kue_rx_chain[i].kue_buf != NULL) {
1068 kfree(sc->kue_cdata.kue_rx_chain[i].kue_buf, M_USBDEV);
1069 sc->kue_cdata.kue_rx_chain[i].kue_buf = NULL;
1071 if (sc->kue_cdata.kue_rx_chain[i].kue_mbuf != NULL) {
1072 m_freem(sc->kue_cdata.kue_rx_chain[i].kue_mbuf);
1073 sc->kue_cdata.kue_rx_chain[i].kue_mbuf = NULL;
1075 if (sc->kue_cdata.kue_rx_chain[i].kue_xfer != NULL) {
1076 usbd_free_xfer(sc->kue_cdata.kue_rx_chain[i].kue_xfer);
1077 sc->kue_cdata.kue_rx_chain[i].kue_xfer = NULL;
1081 /* Free TX resources. */
1082 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
1083 if (sc->kue_cdata.kue_tx_chain[i].kue_buf != NULL) {
1084 kfree(sc->kue_cdata.kue_tx_chain[i].kue_buf, M_USBDEV);
1085 sc->kue_cdata.kue_tx_chain[i].kue_buf = NULL;
1087 if (sc->kue_cdata.kue_tx_chain[i].kue_mbuf != NULL) {
1088 m_freem(sc->kue_cdata.kue_tx_chain[i].kue_mbuf);
1089 sc->kue_cdata.kue_tx_chain[i].kue_mbuf = NULL;
1091 if (sc->kue_cdata.kue_tx_chain[i].kue_xfer != NULL) {
1092 usbd_free_xfer(sc->kue_cdata.kue_tx_chain[i].kue_xfer);
1093 sc->kue_cdata.kue_tx_chain[i].kue_xfer = NULL;
1097 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1104 * Stop all chip I/O so that the kernel's probe routines don't
1105 * get confused by errant DMAs when rebooting.
1108 kue_shutdown(device_t dev)
1110 struct kue_softc *sc;
1112 sc = device_get_softc(dev);