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 1.23 2006/12/22 23:26:20 swildner 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 struct kue_type kue_devs[] = {
103 { USB_VENDOR_AOX, USB_PRODUCT_AOX_USB101 },
104 { USB_VENDOR_KLSI, USB_PRODUCT_AOX_USB101 },
105 { USB_VENDOR_ADS, USB_PRODUCT_ADS_UBS10BT },
106 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC10T },
107 { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_EA101 },
108 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET },
109 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET2 },
110 { USB_VENDOR_ENTREGA, USB_PRODUCT_ENTREGA_E45 },
111 { USB_VENDOR_3COM, USB_PRODUCT_3COM_3C19250 },
112 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_ETHER_USB_T },
113 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650C },
114 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2102USB },
115 { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T },
116 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BT },
117 { USB_VENDOR_KLSI, USB_PRODUCT_KLSI_DUH3E10BTN },
118 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_ENET3 },
119 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETT },
120 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_URE450 },
124 Static int kue_match(device_ptr_t);
125 Static int kue_attach(device_ptr_t);
126 Static int kue_detach(device_ptr_t);
127 Static void kue_shutdown(device_ptr_t);
128 Static int kue_tx_list_init(struct kue_softc *);
129 Static int kue_rx_list_init(struct kue_softc *);
130 Static int kue_newbuf(struct kue_softc *, struct kue_chain *, struct mbuf *);
131 Static int kue_encap(struct kue_softc *, struct mbuf *, int);
132 Static void kue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
133 Static void kue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
134 Static void kue_start(struct ifnet *);
135 Static void kue_rxstart(struct ifnet *);
136 Static int kue_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
137 Static void kue_init(void *);
138 Static void kue_stop(struct kue_softc *);
139 Static void kue_watchdog(struct ifnet *);
141 Static void kue_setmulti(struct kue_softc *);
142 Static void kue_reset(struct kue_softc *);
144 Static usbd_status kue_do_request(usbd_device_handle,
145 usb_device_request_t *, void *);
146 Static usbd_status kue_ctl(struct kue_softc *, int, u_int8_t,
147 u_int16_t, char *, int);
148 Static usbd_status kue_setword(struct kue_softc *, u_int8_t, u_int16_t);
149 Static int kue_load_fw(struct kue_softc *);
151 Static device_method_t kue_methods[] = {
152 /* Device interface */
153 DEVMETHOD(device_probe, kue_match),
154 DEVMETHOD(device_attach, kue_attach),
155 DEVMETHOD(device_detach, kue_detach),
156 DEVMETHOD(device_shutdown, kue_shutdown),
161 Static driver_t kue_driver = {
164 sizeof(struct kue_softc)
167 Static devclass_t kue_devclass;
169 DECLARE_DUMMY_MODULE(if_kue);
170 DRIVER_MODULE(kue, uhub, kue_driver, kue_devclass, usbd_driver_load, 0);
173 * We have a custom do_request function which is almost like the
174 * regular do_request function, except it has a much longer timeout.
175 * Why? Because we need to make requests over the control endpoint
176 * to download the firmware to the device, which can take longer
177 * than the default timeout.
180 kue_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
182 usbd_xfer_handle xfer;
185 xfer = usbd_alloc_xfer(dev);
186 usbd_setup_default_xfer(xfer, dev, 0, 500000, req,
187 data, UGETW(req->wLength), USBD_SHORT_XFER_OK, 0);
188 err = usbd_sync_transfer(xfer);
189 usbd_free_xfer(xfer);
194 kue_setword(struct kue_softc *sc, u_int8_t breq, u_int16_t word)
196 usbd_device_handle dev;
197 usb_device_request_t req;
201 return(USBD_NORMAL_COMPLETION);
207 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
210 USETW(req.wValue, word);
211 USETW(req.wIndex, 0);
212 USETW(req.wLength, 0);
214 err = kue_do_request(dev, &req, NULL);
222 kue_ctl(struct kue_softc *sc, int rw, u_int8_t breq, u_int16_t val,
225 usbd_device_handle dev;
226 usb_device_request_t req;
232 return(USBD_NORMAL_COMPLETION);
236 if (rw == KUE_CTL_WRITE)
237 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
239 req.bmRequestType = UT_READ_VENDOR_DEVICE;
242 USETW(req.wValue, val);
243 USETW(req.wIndex, 0);
244 USETW(req.wLength, len);
246 err = kue_do_request(dev, &req, data);
254 kue_load_fw(struct kue_softc *sc)
257 usb_device_descriptor_t *dd;
260 dd = &sc->kue_udev->ddesc;
261 hwrev = UGETW(dd->bcdDevice);
264 * First, check if we even need to load the firmware.
265 * If the device was still attached when the system was
266 * rebooted, it may already have firmware loaded in it.
267 * If this is the case, we don't need to do it again.
268 * And in fact, if we try to load it again, we'll hang,
269 * so we have to avoid this condition if we don't want
272 * We can test this quickly by checking the bcdRevision
273 * code. The NIC will return a different revision code if
274 * it's probed while the firmware is still loaded and
280 /* Load code segment */
281 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
282 0, kue_code_seg, sizeof(kue_code_seg));
284 kprintf("kue%d: failed to load code segment: %s\n",
285 sc->kue_unit, usbd_errstr(err));
289 /* Load fixup segment */
290 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
291 0, kue_fix_seg, sizeof(kue_fix_seg));
293 kprintf("kue%d: failed to load fixup segment: %s\n",
294 sc->kue_unit, usbd_errstr(err));
298 /* Send trigger command. */
299 err = kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SEND_SCAN,
300 0, kue_trig_seg, sizeof(kue_trig_seg));
302 kprintf("kue%d: failed to load trigger segment: %s\n",
303 sc->kue_unit, usbd_errstr(err));
311 kue_setmulti(struct kue_softc *sc)
314 struct ifmultiaddr *ifma;
317 ifp = &sc->arpcom.ac_if;
319 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
320 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
321 sc->kue_rxfilt &= ~KUE_RXFILT_MULTICAST;
322 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
326 sc->kue_rxfilt &= ~KUE_RXFILT_ALLMULTI;
328 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
329 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
331 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
334 if (ifma->ifma_addr->sa_family != AF_LINK)
337 * If there are too many addresses for the
338 * internal filter, switch over to allmulti mode.
340 if (i == KUE_MCFILTCNT(sc))
342 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
343 KUE_MCFILT(sc, i), ETHER_ADDR_LEN);
347 if (i == KUE_MCFILTCNT(sc))
348 sc->kue_rxfilt |= KUE_RXFILT_ALLMULTI;
350 sc->kue_rxfilt |= KUE_RXFILT_MULTICAST;
351 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MCAST_FILTERS,
352 i, sc->kue_mcfilters, i * ETHER_ADDR_LEN);
355 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
361 * Issue a SET_CONFIGURATION command to reset the MAC. This should be
362 * done after the firmware is loaded into the adapter in order to
363 * bring it into proper operation.
366 kue_reset(struct kue_softc *sc)
368 if (usbd_set_config_no(sc->kue_udev, KUE_CONFIG_NO, 0) ||
369 usbd_device2interface_handle(sc->kue_udev, KUE_IFACE_IDX,
371 kprintf("kue%d: getting interface handle failed\n",
375 /* Wait a little while for the chip to get its brains in order. */
381 * Probe for a KLSI chip.
385 USB_MATCH_START(kue, uaa);
393 if (uaa->vendor == t->kue_vid &&
394 uaa->product == t->kue_did) {
395 return(UMATCH_VENDOR_PRODUCT);
404 * Attach the interface. Allocate softc structures, do
405 * setup and ethernet/BPF attach.
409 USB_ATTACH_START(kue, sc, uaa);
413 usb_interface_descriptor_t *id;
414 usb_endpoint_descriptor_t *ed;
417 sc->kue_iface = uaa->iface;
418 sc->kue_udev = uaa->device;
419 sc->kue_unit = device_get_unit(self);
421 id = usbd_get_interface_descriptor(uaa->iface);
423 usbd_devinfo(uaa->device, 0, devinfo);
424 device_set_desc_copy(self, devinfo);
425 kprintf("%s: %s\n", USBDEVNAME(self), devinfo);
427 /* Find endpoints. */
428 for (i = 0; i < id->bNumEndpoints; i++) {
429 ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
431 kprintf("kue%d: couldn't get ep %d\n",
433 USB_ATTACH_ERROR_RETURN;
435 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
436 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
437 sc->kue_ed[KUE_ENDPT_RX] = ed->bEndpointAddress;
438 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
439 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
440 sc->kue_ed[KUE_ENDPT_TX] = ed->bEndpointAddress;
441 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
442 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
443 sc->kue_ed[KUE_ENDPT_INTR] = ed->bEndpointAddress;
447 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
448 mtx_init(&sc->kue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
449 MTX_DEF | MTX_RECURSE);
453 /* Load the firmware into the NIC. */
454 if (kue_load_fw(sc)) {
456 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
457 mtx_destroy(&sc->kue_mtx);
459 USB_ATTACH_ERROR_RETURN;
462 /* Reset the adapter. */
465 /* Read ethernet descriptor */
466 err = kue_ctl(sc, KUE_CTL_READ, KUE_CMD_GET_ETHER_DESCRIPTOR,
467 0, (char *)&sc->kue_desc, sizeof(sc->kue_desc));
469 sc->kue_mcfilters = kmalloc(KUE_MCFILTCNT(sc) * ETHER_ADDR_LEN,
472 ifp = &sc->arpcom.ac_if;
474 if_initname(ifp, "kue", sc->kue_unit);
475 ifp->if_mtu = ETHERMTU;
476 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
477 ifp->if_ioctl = kue_ioctl;
478 ifp->if_start = kue_start;
479 ifp->if_watchdog = kue_watchdog;
480 ifp->if_init = kue_init;
481 ifp->if_baudrate = 10000000;
482 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
483 ifq_set_ready(&ifp->if_snd);
486 * Call MI attach routine.
488 ether_ifattach(ifp, sc->kue_desc.kue_macaddr, NULL);
489 usb_register_netisr();
494 USB_ATTACH_SUCCESS_RETURN;
498 kue_detach(device_ptr_t dev)
500 struct kue_softc *sc;
503 sc = device_get_softc(dev);
505 ifp = &sc->arpcom.ac_if;
512 if (sc->kue_ep[KUE_ENDPT_TX] != NULL)
513 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
514 if (sc->kue_ep[KUE_ENDPT_RX] != NULL)
515 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
516 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL)
517 usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
519 if (sc->kue_mcfilters != NULL)
520 kfree(sc->kue_mcfilters, M_USBDEV);
523 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
524 mtx_destroy(&sc->kue_mtx);
531 * Initialize an RX descriptor and attach an MBUF cluster.
534 kue_newbuf(struct kue_softc *sc, struct kue_chain *c, struct mbuf *m)
536 struct mbuf *m_new = NULL;
539 MGETHDR(m_new, MB_DONTWAIT, MT_DATA);
541 kprintf("kue%d: no memory for rx list "
542 "-- packet dropped!\n", sc->kue_unit);
546 MCLGET(m_new, MB_DONTWAIT);
547 if (!(m_new->m_flags & M_EXT)) {
548 kprintf("kue%d: no memory for rx list "
549 "-- packet dropped!\n", sc->kue_unit);
553 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
556 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
557 m_new->m_data = m_new->m_ext.ext_buf;
566 kue_rx_list_init(struct kue_softc *sc)
568 struct kue_cdata *cd;
573 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
574 c = &cd->kue_rx_chain[i];
577 if (kue_newbuf(sc, c, NULL) == ENOBUFS)
579 if (c->kue_xfer == NULL) {
580 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
581 if (c->kue_xfer == NULL)
590 kue_tx_list_init(struct kue_softc *sc)
592 struct kue_cdata *cd;
597 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
598 c = &cd->kue_tx_chain[i];
602 if (c->kue_xfer == NULL) {
603 c->kue_xfer = usbd_alloc_xfer(sc->kue_udev);
604 if (c->kue_xfer == NULL)
607 c->kue_buf = kmalloc(KUE_BUFSZ, M_USBDEV, M_WAITOK);
608 if (c->kue_buf == NULL)
616 kue_rxstart(struct ifnet *ifp)
618 struct kue_softc *sc;
623 c = &sc->kue_cdata.kue_rx_chain[sc->kue_cdata.kue_rx_prod];
625 if (kue_newbuf(sc, c, NULL) == ENOBUFS) {
630 /* Setup new transfer. */
631 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
632 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
633 USBD_NO_TIMEOUT, kue_rxeof);
634 usbd_transfer(c->kue_xfer);
642 * A frame has been uploaded: pass the resulting mbuf chain up to
643 * the higher level protocols.
646 kue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
648 struct kue_softc *sc;
658 ifp = &sc->arpcom.ac_if;
660 if (!(ifp->if_flags & IFF_RUNNING)) {
665 if (status != USBD_NORMAL_COMPLETION) {
666 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
670 if (usbd_ratecheck(&sc->kue_rx_notice))
671 kprintf("kue%d: usb error on rx: %s\n", sc->kue_unit,
672 usbd_errstr(status));
673 if (status == USBD_STALLED)
674 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_RX]);
678 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
683 len = *mtod(m, u_int16_t *);
684 m_adj(m, sizeof(u_int16_t));
686 /* No errors; receive the packet. */
689 if (len < sizeof(struct ether_header)) {
695 m->m_pkthdr.rcvif = ifp;
696 m->m_pkthdr.len = m->m_len = total_len;
698 /* Put the packet on the special USB input queue. */
707 /* Setup new transfer. */
708 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
709 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ, USBD_SHORT_XFER_OK,
710 USBD_NO_TIMEOUT, kue_rxeof);
711 usbd_transfer(c->kue_xfer);
718 * A frame was downloaded to the chip. It's safe for us to clean up
723 kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
725 struct kue_softc *sc;
734 ifp = &sc->arpcom.ac_if;
736 ifp->if_flags &= ~IFF_OACTIVE;
738 if (status != USBD_NORMAL_COMPLETION) {
739 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
743 kprintf("kue%d: usb error on tx: %s\n", sc->kue_unit,
744 usbd_errstr(status));
745 if (status == USBD_STALLED)
746 usbd_clear_endpoint_stall(sc->kue_ep[KUE_ENDPT_TX]);
751 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &err);
753 if (c->kue_mbuf != NULL) {
754 m_freem(c->kue_mbuf);
763 if (!ifq_is_empty(&ifp->if_snd))
764 (*ifp->if_start)(ifp);
772 kue_encap(struct kue_softc *sc, struct mbuf *m, int idx)
778 c = &sc->kue_cdata.kue_tx_chain[idx];
781 * Copy the mbuf data into a contiguous buffer, leaving two
782 * bytes at the beginning to hold the frame length.
784 m_copydata(m, 0, m->m_pkthdr.len, c->kue_buf + 2);
787 total_len = m->m_pkthdr.len + 2;
788 total_len += 64 - (total_len % 64);
790 /* Frame length is specified in the first 2 bytes of the buffer. */
791 c->kue_buf[0] = (u_int8_t)m->m_pkthdr.len;
792 c->kue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
794 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_TX],
795 c, c->kue_buf, total_len, 0, 10000, kue_txeof);
798 err = usbd_transfer(c->kue_xfer);
799 if (err != USBD_IN_PROGRESS) {
804 sc->kue_cdata.kue_tx_cnt++;
810 kue_start(struct ifnet *ifp)
812 struct kue_softc *sc;
813 struct mbuf *m_head = NULL;
818 if (ifp->if_flags & IFF_OACTIVE) {
823 m_head = ifq_poll(&ifp->if_snd);
824 if (m_head == NULL) {
829 if (kue_encap(sc, m_head, 0)) {
830 ifp->if_flags |= IFF_OACTIVE;
834 ifq_dequeue(&ifp->if_snd, m_head);
837 * If there's a BPF listener, bounce a copy of this frame
840 BPF_MTAP(ifp, m_head);
842 ifp->if_flags |= IFF_OACTIVE;
845 * Set a timeout in case the chip goes out to lunch.
856 struct kue_softc *sc = xsc;
857 struct ifnet *ifp = &sc->arpcom.ac_if;
864 if (ifp->if_flags & IFF_RUNNING) {
869 /* Set MAC address */
870 kue_ctl(sc, KUE_CTL_WRITE, KUE_CMD_SET_MAC,
871 0, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
873 sc->kue_rxfilt = KUE_RXFILT_UNICAST|KUE_RXFILT_BROADCAST;
875 /* If we want promiscuous mode, set the allframes bit. */
876 if (ifp->if_flags & IFF_PROMISC)
877 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
879 kue_setword(sc, KUE_CMD_SET_PKT_FILTER, sc->kue_rxfilt);
881 /* I'm not sure how to tune these. */
884 * Leave this one alone for now; setting it
885 * wrong causes lockups on some machines/controllers.
887 kue_setword(sc, KUE_CMD_SET_SOFS, 1);
889 kue_setword(sc, KUE_CMD_SET_URB_SIZE, 64);
892 if (kue_tx_list_init(sc) == ENOBUFS) {
893 kprintf("kue%d: tx list init failed\n", sc->kue_unit);
899 if (kue_rx_list_init(sc) == ENOBUFS) {
900 kprintf("kue%d: rx list init failed\n", sc->kue_unit);
905 /* Load the multicast filter. */
908 /* Open RX and TX pipes. */
909 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_RX],
910 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_RX]);
912 kprintf("kue%d: open rx pipe failed: %s\n",
913 sc->kue_unit, usbd_errstr(err));
918 err = usbd_open_pipe(sc->kue_iface, sc->kue_ed[KUE_ENDPT_TX],
919 USBD_EXCLUSIVE_USE, &sc->kue_ep[KUE_ENDPT_TX]);
921 kprintf("kue%d: open tx pipe failed: %s\n",
922 sc->kue_unit, usbd_errstr(err));
927 /* Start up the receive pipe. */
928 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
929 c = &sc->kue_cdata.kue_rx_chain[i];
930 usbd_setup_xfer(c->kue_xfer, sc->kue_ep[KUE_ENDPT_RX],
931 c, mtod(c->kue_mbuf, char *), KUE_BUFSZ,
932 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, kue_rxeof);
933 usbd_transfer(c->kue_xfer);
936 ifp->if_flags |= IFF_RUNNING;
937 ifp->if_flags &= ~IFF_OACTIVE;
945 kue_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
947 struct kue_softc *sc = ifp->if_softc;
954 if (ifp->if_flags & IFF_UP) {
955 if (ifp->if_flags & IFF_RUNNING &&
956 ifp->if_flags & IFF_PROMISC &&
957 !(sc->kue_if_flags & IFF_PROMISC)) {
958 sc->kue_rxfilt |= KUE_RXFILT_PROMISC;
959 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
961 } else if (ifp->if_flags & IFF_RUNNING &&
962 !(ifp->if_flags & IFF_PROMISC) &&
963 sc->kue_if_flags & IFF_PROMISC) {
964 sc->kue_rxfilt &= ~KUE_RXFILT_PROMISC;
965 kue_setword(sc, KUE_CMD_SET_PKT_FILTER,
967 } else if (!(ifp->if_flags & IFF_RUNNING))
970 if (ifp->if_flags & IFF_RUNNING)
973 sc->kue_if_flags = ifp->if_flags;
982 error = ether_ioctl(ifp, command, data);
992 kue_watchdog(struct ifnet *ifp)
994 struct kue_softc *sc;
1001 kprintf("kue%d: watchdog timeout\n", sc->kue_unit);
1003 c = &sc->kue_cdata.kue_tx_chain[0];
1004 usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &stat);
1005 kue_txeof(c->kue_xfer, c, stat);
1007 if (ifq_is_empty(&ifp->if_snd))
1015 * Stop the adapter and free any mbufs allocated to the
1019 kue_stop(struct kue_softc *sc)
1026 ifp = &sc->arpcom.ac_if;
1029 /* Stop transfers. */
1030 if (sc->kue_ep[KUE_ENDPT_RX] != NULL) {
1031 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1033 kprintf("kue%d: abort rx pipe failed: %s\n",
1034 sc->kue_unit, usbd_errstr(err));
1036 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_RX]);
1038 kprintf("kue%d: close rx pipe failed: %s\n",
1039 sc->kue_unit, usbd_errstr(err));
1041 sc->kue_ep[KUE_ENDPT_RX] = NULL;
1044 if (sc->kue_ep[KUE_ENDPT_TX] != NULL) {
1045 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1047 kprintf("kue%d: abort tx pipe failed: %s\n",
1048 sc->kue_unit, usbd_errstr(err));
1050 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_TX]);
1052 kprintf("kue%d: close tx pipe failed: %s\n",
1053 sc->kue_unit, usbd_errstr(err));
1055 sc->kue_ep[KUE_ENDPT_TX] = NULL;
1058 if (sc->kue_ep[KUE_ENDPT_INTR] != NULL) {
1059 err = usbd_abort_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1061 kprintf("kue%d: abort intr pipe failed: %s\n",
1062 sc->kue_unit, usbd_errstr(err));
1064 err = usbd_close_pipe(sc->kue_ep[KUE_ENDPT_INTR]);
1066 kprintf("kue%d: close intr pipe failed: %s\n",
1067 sc->kue_unit, usbd_errstr(err));
1069 sc->kue_ep[KUE_ENDPT_INTR] = NULL;
1072 /* Free RX resources. */
1073 for (i = 0; i < KUE_RX_LIST_CNT; i++) {
1074 if (sc->kue_cdata.kue_rx_chain[i].kue_buf != NULL) {
1075 kfree(sc->kue_cdata.kue_rx_chain[i].kue_buf, M_USBDEV);
1076 sc->kue_cdata.kue_rx_chain[i].kue_buf = NULL;
1078 if (sc->kue_cdata.kue_rx_chain[i].kue_mbuf != NULL) {
1079 m_freem(sc->kue_cdata.kue_rx_chain[i].kue_mbuf);
1080 sc->kue_cdata.kue_rx_chain[i].kue_mbuf = NULL;
1082 if (sc->kue_cdata.kue_rx_chain[i].kue_xfer != NULL) {
1083 usbd_free_xfer(sc->kue_cdata.kue_rx_chain[i].kue_xfer);
1084 sc->kue_cdata.kue_rx_chain[i].kue_xfer = NULL;
1088 /* Free TX resources. */
1089 for (i = 0; i < KUE_TX_LIST_CNT; i++) {
1090 if (sc->kue_cdata.kue_tx_chain[i].kue_buf != NULL) {
1091 kfree(sc->kue_cdata.kue_tx_chain[i].kue_buf, M_USBDEV);
1092 sc->kue_cdata.kue_tx_chain[i].kue_buf = NULL;
1094 if (sc->kue_cdata.kue_tx_chain[i].kue_mbuf != NULL) {
1095 m_freem(sc->kue_cdata.kue_tx_chain[i].kue_mbuf);
1096 sc->kue_cdata.kue_tx_chain[i].kue_mbuf = NULL;
1098 if (sc->kue_cdata.kue_tx_chain[i].kue_xfer != NULL) {
1099 usbd_free_xfer(sc->kue_cdata.kue_tx_chain[i].kue_xfer);
1100 sc->kue_cdata.kue_tx_chain[i].kue_xfer = NULL;
1104 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1111 * Stop all chip I/O so that the kernel's probe routines don't
1112 * get confused by errant DMAs when rebooting.
1115 kue_shutdown(device_ptr_t dev)
1117 struct kue_softc *sc;
1119 sc = device_get_softc(dev);