2 * Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
3 * Copyright (c) 1997, 1998, 1999, 2000 Bill Paul <wpaul@ee.columbia.edu>.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Copyright (c) 1997, 1998, 1999, 2000
29 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
39 * 3. All advertising materials mentioning features or use of this software
40 * must display the following acknowledgement:
41 * This product includes software developed by Bill Paul.
42 * 4. Neither the name of the author nor the names of any co-contributors
43 * may be used to endorse or promote products derived from this software
44 * without specific prior written permission.
46 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
50 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
56 * THE POSSIBILITY OF SUCH DAMAGE.
59 #include <sys/cdefs.h>
60 __FBSDID("$FreeBSD$");
63 * RealTek RTL8150 USB to fast ethernet controller driver.
64 * Datasheet is available from
65 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/.
68 #include <sys/stdint.h>
69 #include <sys/stddef.h>
70 #include <sys/param.h>
71 #include <sys/queue.h>
72 #include <sys/types.h>
73 #include <sys/systm.h>
74 #include <sys/socket.h>
75 #include <sys/kernel.h>
77 #include <sys/module.h>
79 #include <sys/mutex.h>
80 #include <sys/condvar.h>
81 #include <sys/sysctl.h>
83 #include <sys/unistd.h>
84 #include <sys/callout.h>
85 #include <sys/malloc.h>
89 #include <net/if_var.h>
91 #include <dev/usb/usb.h>
92 #include <dev/usb/usbdi.h>
93 #include <dev/usb/usbdi_util.h>
96 #define USB_DEBUG_VAR rue_debug
97 #include <dev/usb/usb_debug.h>
98 #include <dev/usb/usb_process.h>
100 #include <dev/usb/net/usb_ethernet.h>
101 #include <dev/usb/net/if_ruereg.h>
104 static int rue_debug = 0;
106 static SYSCTL_NODE(_hw_usb, OID_AUTO, rue, CTLFLAG_RW, 0, "USB rue");
107 SYSCTL_INT(_hw_usb_rue, OID_AUTO, debug, CTLFLAG_RWTUN,
108 &rue_debug, 0, "Debug level");
112 * Various supported device vendors/products.
115 static const STRUCT_USB_HOST_ID rue_devs[] = {
116 {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX, 0)},
117 {USB_VPI(USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_USBKR100, 0)},
118 {USB_VPI(USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01, 0)},
123 static device_probe_t rue_probe;
124 static device_attach_t rue_attach;
125 static device_detach_t rue_detach;
127 static miibus_readreg_t rue_miibus_readreg;
128 static miibus_writereg_t rue_miibus_writereg;
129 static miibus_statchg_t rue_miibus_statchg;
131 static usb_callback_t rue_intr_callback;
132 static usb_callback_t rue_bulk_read_callback;
133 static usb_callback_t rue_bulk_write_callback;
135 static uether_fn_t rue_attach_post;
136 static uether_fn_t rue_init;
137 static uether_fn_t rue_stop;
138 static uether_fn_t rue_start;
139 static uether_fn_t rue_tick;
140 static uether_fn_t rue_setmulti;
141 static uether_fn_t rue_setpromisc;
143 static int rue_read_mem(struct rue_softc *, uint16_t, void *, int);
144 static int rue_write_mem(struct rue_softc *, uint16_t, void *, int);
145 static uint8_t rue_csr_read_1(struct rue_softc *, uint16_t);
146 static uint16_t rue_csr_read_2(struct rue_softc *, uint16_t);
147 static int rue_csr_write_1(struct rue_softc *, uint16_t, uint8_t);
148 static int rue_csr_write_2(struct rue_softc *, uint16_t, uint16_t);
149 static int rue_csr_write_4(struct rue_softc *, int, uint32_t);
151 static void rue_reset(struct rue_softc *);
152 static int rue_ifmedia_upd(struct ifnet *);
153 static void rue_ifmedia_sts(struct ifnet *, struct ifmediareq *);
155 static const struct usb_config rue_config[RUE_N_TRANSFER] = {
159 .endpoint = UE_ADDR_ANY,
160 .direction = UE_DIR_OUT,
162 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
163 .callback = rue_bulk_write_callback,
164 .timeout = 10000, /* 10 seconds */
169 .endpoint = UE_ADDR_ANY,
170 .direction = UE_DIR_IN,
171 .bufsize = (MCLBYTES + 4),
172 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
173 .callback = rue_bulk_read_callback,
174 .timeout = 0, /* no timeout */
178 .type = UE_INTERRUPT,
179 .endpoint = UE_ADDR_ANY,
180 .direction = UE_DIR_IN,
181 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
182 .bufsize = 0, /* use wMaxPacketSize */
183 .callback = rue_intr_callback,
187 static device_method_t rue_methods[] = {
188 /* Device interface */
189 DEVMETHOD(device_probe, rue_probe),
190 DEVMETHOD(device_attach, rue_attach),
191 DEVMETHOD(device_detach, rue_detach),
194 DEVMETHOD(miibus_readreg, rue_miibus_readreg),
195 DEVMETHOD(miibus_writereg, rue_miibus_writereg),
196 DEVMETHOD(miibus_statchg, rue_miibus_statchg),
201 static driver_t rue_driver = {
203 .methods = rue_methods,
204 .size = sizeof(struct rue_softc),
207 static devclass_t rue_devclass;
209 DRIVER_MODULE_ORDERED(rue, uhub, rue_driver, rue_devclass, NULL, NULL,
211 DRIVER_MODULE(miibus, rue, miibus_driver, miibus_devclass, NULL, NULL);
212 MODULE_DEPEND(rue, uether, 1, 1, 1);
213 MODULE_DEPEND(rue, usb, 1, 1, 1);
214 MODULE_DEPEND(rue, ether, 1, 1, 1);
215 MODULE_DEPEND(rue, miibus, 1, 1, 1);
216 MODULE_VERSION(rue, 1);
217 USB_PNP_HOST_INFO(rue_devs);
219 static const struct usb_ether_methods rue_ue_methods = {
220 .ue_attach_post = rue_attach_post,
221 .ue_start = rue_start,
225 .ue_setmulti = rue_setmulti,
226 .ue_setpromisc = rue_setpromisc,
227 .ue_mii_upd = rue_ifmedia_upd,
228 .ue_mii_sts = rue_ifmedia_sts,
231 #define RUE_SETBIT(sc, reg, x) \
232 rue_csr_write_1(sc, reg, rue_csr_read_1(sc, reg) | (x))
234 #define RUE_CLRBIT(sc, reg, x) \
235 rue_csr_write_1(sc, reg, rue_csr_read_1(sc, reg) & ~(x))
238 rue_read_mem(struct rue_softc *sc, uint16_t addr, void *buf, int len)
240 struct usb_device_request req;
242 req.bmRequestType = UT_READ_VENDOR_DEVICE;
243 req.bRequest = UR_SET_ADDRESS;
244 USETW(req.wValue, addr);
245 USETW(req.wIndex, 0);
246 USETW(req.wLength, len);
248 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
252 rue_write_mem(struct rue_softc *sc, uint16_t addr, void *buf, int len)
254 struct usb_device_request req;
256 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
257 req.bRequest = UR_SET_ADDRESS;
258 USETW(req.wValue, addr);
259 USETW(req.wIndex, 0);
260 USETW(req.wLength, len);
262 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
266 rue_csr_read_1(struct rue_softc *sc, uint16_t reg)
270 rue_read_mem(sc, reg, &val, 1);
275 rue_csr_read_2(struct rue_softc *sc, uint16_t reg)
279 rue_read_mem(sc, reg, &val, 2);
284 rue_csr_write_1(struct rue_softc *sc, uint16_t reg, uint8_t val)
286 return (rue_write_mem(sc, reg, &val, 1));
290 rue_csr_write_2(struct rue_softc *sc, uint16_t reg, uint16_t val)
295 return (rue_write_mem(sc, reg, &temp, 2));
299 rue_csr_write_4(struct rue_softc *sc, int reg, uint32_t val)
304 return (rue_write_mem(sc, reg, &temp, 4));
308 rue_miibus_readreg(device_t dev, int phy, int reg)
310 struct rue_softc *sc = device_get_softc(dev);
315 if (phy != 0) /* RTL8150 supports PHY == 0, only */
318 locked = mtx_owned(&sc->sc_mtx);
343 if (RUE_REG_MIN <= reg && reg <= RUE_REG_MAX) {
344 rval = rue_csr_read_1(sc, reg);
347 device_printf(sc->sc_ue.ue_dev, "bad phy register\n");
352 rval = rue_csr_read_2(sc, ruereg);
360 rue_miibus_writereg(device_t dev, int phy, int reg, int data)
362 struct rue_softc *sc = device_get_softc(dev);
366 if (phy != 0) /* RTL8150 supports PHY == 0, only */
369 locked = mtx_owned(&sc->sc_mtx);
393 if (RUE_REG_MIN <= reg && reg <= RUE_REG_MAX) {
394 rue_csr_write_1(sc, reg, data);
397 device_printf(sc->sc_ue.ue_dev, " bad phy register\n");
400 rue_csr_write_2(sc, ruereg, data);
408 rue_miibus_statchg(device_t dev)
411 * When the code below is enabled the card starts doing weird
412 * things after link going from UP to DOWN and back UP.
414 * Looks like some of register writes below messes up PHY
417 * No visible regressions were found after commenting this code
418 * out, so that disable it for good.
421 struct rue_softc *sc = device_get_softc(dev);
422 struct mii_data *mii = GET_MII(sc);
426 locked = mtx_owned(&sc->sc_mtx);
430 RUE_CLRBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
432 bmcr = rue_csr_read_2(sc, RUE_BMCR);
434 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX)
435 bmcr |= RUE_BMCR_SPD_SET;
437 bmcr &= ~RUE_BMCR_SPD_SET;
439 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
440 bmcr |= RUE_BMCR_DUPLEX;
442 bmcr &= ~RUE_BMCR_DUPLEX;
444 rue_csr_write_2(sc, RUE_BMCR, bmcr);
446 RUE_SETBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
454 rue_setpromisc(struct usb_ether *ue)
456 struct rue_softc *sc = uether_getsc(ue);
457 struct ifnet *ifp = uether_getifp(ue);
459 RUE_LOCK_ASSERT(sc, MA_OWNED);
461 /* If we want promiscuous mode, set the allframes bit. */
462 if (ifp->if_flags & IFF_PROMISC)
463 RUE_SETBIT(sc, RUE_RCR, RUE_RCR_AAP);
465 RUE_CLRBIT(sc, RUE_RCR, RUE_RCR_AAP);
469 * Program the 64-bit multicast hash filter.
472 rue_setmulti(struct usb_ether *ue)
474 struct rue_softc *sc = uether_getsc(ue);
475 struct ifnet *ifp = uether_getifp(ue);
478 uint32_t hashes[2] = { 0, 0 };
479 struct ifmultiaddr *ifma;
482 RUE_LOCK_ASSERT(sc, MA_OWNED);
484 rxcfg = rue_csr_read_2(sc, RUE_RCR);
486 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
487 rxcfg |= (RUE_RCR_AAM | RUE_RCR_AAP);
488 rxcfg &= ~RUE_RCR_AM;
489 rue_csr_write_2(sc, RUE_RCR, rxcfg);
490 rue_csr_write_4(sc, RUE_MAR0, 0xFFFFFFFF);
491 rue_csr_write_4(sc, RUE_MAR4, 0xFFFFFFFF);
495 /* first, zot all the existing hash bits */
496 rue_csr_write_4(sc, RUE_MAR0, 0);
497 rue_csr_write_4(sc, RUE_MAR4, 0);
499 /* now program new ones */
501 TAILQ_FOREACH (ifma, &ifp->if_multiaddrs, ifma_link)
503 if (ifma->ifma_addr->sa_family != AF_LINK)
505 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
506 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
508 hashes[0] |= (1 << h);
510 hashes[1] |= (1 << (h - 32));
513 if_maddr_runlock(ifp);
518 rxcfg &= ~RUE_RCR_AM;
520 rxcfg &= ~(RUE_RCR_AAM | RUE_RCR_AAP);
522 rue_csr_write_2(sc, RUE_RCR, rxcfg);
523 rue_csr_write_4(sc, RUE_MAR0, hashes[0]);
524 rue_csr_write_4(sc, RUE_MAR4, hashes[1]);
528 rue_reset(struct rue_softc *sc)
532 rue_csr_write_1(sc, RUE_CR, RUE_CR_SOFT_RST);
534 for (i = 0; i != RUE_TIMEOUT; i++) {
535 if (uether_pause(&sc->sc_ue, hz / 1000))
537 if (!(rue_csr_read_1(sc, RUE_CR) & RUE_CR_SOFT_RST))
540 if (i == RUE_TIMEOUT)
541 device_printf(sc->sc_ue.ue_dev, "reset never completed\n");
543 uether_pause(&sc->sc_ue, hz / 100);
547 rue_attach_post(struct usb_ether *ue)
549 struct rue_softc *sc = uether_getsc(ue);
551 /* reset the adapter */
554 /* get station address from the EEPROM */
555 rue_read_mem(sc, RUE_EEPROM_IDR0, ue->ue_eaddr, ETHER_ADDR_LEN);
559 * Probe for a RTL8150 chip.
562 rue_probe(device_t dev)
564 struct usb_attach_arg *uaa = device_get_ivars(dev);
566 if (uaa->usb_mode != USB_MODE_HOST)
568 if (uaa->info.bConfigIndex != RUE_CONFIG_IDX)
570 if (uaa->info.bIfaceIndex != RUE_IFACE_IDX)
573 return (usbd_lookup_id_by_uaa(rue_devs, sizeof(rue_devs), uaa));
577 * Attach the interface. Allocate softc structures, do ifmedia
578 * setup and ethernet/BPF attach.
581 rue_attach(device_t dev)
583 struct usb_attach_arg *uaa = device_get_ivars(dev);
584 struct rue_softc *sc = device_get_softc(dev);
585 struct usb_ether *ue = &sc->sc_ue;
589 device_set_usb_desc(dev);
590 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
592 iface_index = RUE_IFACE_IDX;
593 error = usbd_transfer_setup(uaa->device, &iface_index,
594 sc->sc_xfer, rue_config, RUE_N_TRANSFER,
597 device_printf(dev, "allocating USB transfers failed\n");
603 ue->ue_udev = uaa->device;
604 ue->ue_mtx = &sc->sc_mtx;
605 ue->ue_methods = &rue_ue_methods;
607 error = uether_ifattach(ue);
609 device_printf(dev, "could not attach interface\n");
612 return (0); /* success */
616 return (ENXIO); /* failure */
620 rue_detach(device_t dev)
622 struct rue_softc *sc = device_get_softc(dev);
623 struct usb_ether *ue = &sc->sc_ue;
625 usbd_transfer_unsetup(sc->sc_xfer, RUE_N_TRANSFER);
627 mtx_destroy(&sc->sc_mtx);
633 rue_intr_callback(struct usb_xfer *xfer, usb_error_t error)
635 struct rue_softc *sc = usbd_xfer_softc(xfer);
636 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
637 struct rue_intrpkt pkt;
638 struct usb_page_cache *pc;
641 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
643 switch (USB_GET_STATE(xfer)) {
644 case USB_ST_TRANSFERRED:
646 if (ifp && (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
647 actlen >= (int)sizeof(pkt)) {
649 pc = usbd_xfer_get_frame(xfer, 0);
650 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
652 if_inc_counter(ifp, IFCOUNTER_IERRORS, pkt.rue_rxlost_cnt);
653 if_inc_counter(ifp, IFCOUNTER_IERRORS, pkt.rue_crcerr_cnt);
654 if_inc_counter(ifp, IFCOUNTER_COLLISIONS, pkt.rue_col_cnt);
659 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
660 usbd_transfer_submit(xfer);
664 if (error != USB_ERR_CANCELLED) {
665 /* try to clear stall first */
666 usbd_xfer_set_stall(xfer);
674 rue_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
676 struct rue_softc *sc = usbd_xfer_softc(xfer);
677 struct usb_ether *ue = &sc->sc_ue;
678 struct ifnet *ifp = uether_getifp(ue);
679 struct usb_page_cache *pc;
683 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
685 switch (USB_GET_STATE(xfer)) {
686 case USB_ST_TRANSFERRED:
689 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
692 pc = usbd_xfer_get_frame(xfer, 0);
693 usbd_copy_out(pc, actlen - 4, &status, sizeof(status));
696 /* check receive packet was valid or not */
697 status = le16toh(status);
698 if ((status & RUE_RXSTAT_VALID) == 0) {
699 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
702 uether_rxbuf(ue, pc, 0, actlen);
706 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
707 usbd_transfer_submit(xfer);
712 DPRINTF("bulk read error, %s\n",
715 if (error != USB_ERR_CANCELLED) {
716 /* try to clear stall first */
717 usbd_xfer_set_stall(xfer);
725 rue_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
727 struct rue_softc *sc = usbd_xfer_softc(xfer);
728 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
729 struct usb_page_cache *pc;
733 switch (USB_GET_STATE(xfer)) {
734 case USB_ST_TRANSFERRED:
735 DPRINTFN(11, "transfer complete\n");
736 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
741 if ((sc->sc_flags & RUE_FLAG_LINK) == 0) {
743 * don't send anything if there is no link !
747 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
751 if (m->m_pkthdr.len > MCLBYTES)
752 m->m_pkthdr.len = MCLBYTES;
753 temp_len = m->m_pkthdr.len;
755 pc = usbd_xfer_get_frame(xfer, 0);
756 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
759 * This is an undocumented behavior.
760 * RTL8150 chip doesn't send frame length smaller than
761 * RUE_MIN_FRAMELEN (60) byte packet.
763 if (temp_len < RUE_MIN_FRAMELEN) {
764 usbd_frame_zero(pc, temp_len,
765 RUE_MIN_FRAMELEN - temp_len);
766 temp_len = RUE_MIN_FRAMELEN;
768 usbd_xfer_set_frame_len(xfer, 0, temp_len);
771 * if there's a BPF listener, bounce a copy
772 * of this frame to him:
778 usbd_transfer_submit(xfer);
783 DPRINTFN(11, "transfer error, %s\n",
786 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
788 if (error != USB_ERR_CANCELLED) {
789 /* try to clear stall first */
790 usbd_xfer_set_stall(xfer);
798 rue_tick(struct usb_ether *ue)
800 struct rue_softc *sc = uether_getsc(ue);
801 struct mii_data *mii = GET_MII(sc);
803 RUE_LOCK_ASSERT(sc, MA_OWNED);
806 if ((sc->sc_flags & RUE_FLAG_LINK) == 0
807 && mii->mii_media_status & IFM_ACTIVE &&
808 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
809 sc->sc_flags |= RUE_FLAG_LINK;
815 rue_start(struct usb_ether *ue)
817 struct rue_softc *sc = uether_getsc(ue);
820 * start the USB transfers, if not already started:
822 usbd_transfer_start(sc->sc_xfer[RUE_INTR_DT_RD]);
823 usbd_transfer_start(sc->sc_xfer[RUE_BULK_DT_RD]);
824 usbd_transfer_start(sc->sc_xfer[RUE_BULK_DT_WR]);
828 rue_init(struct usb_ether *ue)
830 struct rue_softc *sc = uether_getsc(ue);
831 struct ifnet *ifp = uether_getifp(ue);
833 RUE_LOCK_ASSERT(sc, MA_OWNED);
840 /* Set MAC address */
841 rue_write_mem(sc, RUE_IDR0, IF_LLADDR(ifp), ETHER_ADDR_LEN);
846 * Set the initial TX and RX configuration.
848 rue_csr_write_1(sc, RUE_TCR, RUE_TCR_CONFIG);
849 rue_csr_write_2(sc, RUE_RCR, RUE_RCR_CONFIG|RUE_RCR_AB);
851 /* Load the multicast filter */
853 /* Load the multicast filter. */
856 /* Enable RX and TX */
857 rue_csr_write_1(sc, RUE_CR, (RUE_CR_TE | RUE_CR_RE | RUE_CR_EP3CLREN));
859 usbd_xfer_set_stall(sc->sc_xfer[RUE_BULK_DT_WR]);
861 ifp->if_drv_flags |= IFF_DRV_RUNNING;
869 rue_ifmedia_upd(struct ifnet *ifp)
871 struct rue_softc *sc = ifp->if_softc;
872 struct mii_data *mii = GET_MII(sc);
873 struct mii_softc *miisc;
876 RUE_LOCK_ASSERT(sc, MA_OWNED);
878 sc->sc_flags &= ~RUE_FLAG_LINK;
879 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
881 error = mii_mediachg(mii);
886 * Report current media status.
889 rue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
891 struct rue_softc *sc = ifp->if_softc;
892 struct mii_data *mii = GET_MII(sc);
896 ifmr->ifm_active = mii->mii_media_active;
897 ifmr->ifm_status = mii->mii_media_status;
902 rue_stop(struct usb_ether *ue)
904 struct rue_softc *sc = uether_getsc(ue);
905 struct ifnet *ifp = uether_getifp(ue);
907 RUE_LOCK_ASSERT(sc, MA_OWNED);
909 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
910 sc->sc_flags &= ~RUE_FLAG_LINK;
913 * stop all the transfers, if not already stopped:
915 usbd_transfer_stop(sc->sc_xfer[RUE_BULK_DT_WR]);
916 usbd_transfer_stop(sc->sc_xfer[RUE_BULK_DT_RD]);
917 usbd_transfer_stop(sc->sc_xfer[RUE_INTR_DT_RD]);
919 rue_csr_write_1(sc, RUE_CR, 0x00);