2 * Copyright (c) 2011 Rick van der Zwet <info@rickvanderzwet.nl>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net>
20 * Permission to use, copy, modify, and distribute this software for any
21 * purpose with or without fee is hereby granted, provided that the above
22 * copyright notice and this permission notice appear in all copies.
24 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
25 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
27 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
28 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
29 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
30 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
34 * Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org>
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
38 * copyright notice and this permission notice appear in all copies.
40 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
41 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
42 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
43 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
44 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
45 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
46 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
50 * Copyright (c) 1997, 1998, 1999, 2000-2003
51 * Bill Paul <wpaul@windriver.com>. All rights reserved.
53 * Redistribution and use in source and binary forms, with or without
54 * modification, are permitted provided that the following conditions
56 * 1. Redistributions of source code must retain the above copyright
57 * notice, this list of conditions and the following disclaimer.
58 * 2. Redistributions in binary form must reproduce the above copyright
59 * notice, this list of conditions and the following disclaimer in the
60 * documentation and/or other materials provided with the distribution.
61 * 3. All advertising materials mentioning features or use of this software
62 * must display the following acknowledgement:
63 * This product includes software developed by Bill Paul.
64 * 4. Neither the name of the author nor the names of any co-contributors
65 * may be used to endorse or promote products derived from this software
66 * without specific prior written permission.
68 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
71 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
72 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
73 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
74 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
75 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
76 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
77 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
78 * THE POSSIBILITY OF SUCH DAMAGE.
81 #include <sys/cdefs.h>
82 __FBSDID("$FreeBSD$");
85 * Moschip MCS7730/MCS7830 USB to Ethernet controller
86 * The datasheet is available at the following URL:
87 * http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf
91 * The FreeBSD if_mos.c driver is based on various different sources:
92 * The vendor provided driver at the following URL:
93 * http://www.moschip.com/data/products/MCS7830/Driver_FreeBSD_7830.tar.gz
95 * Mixed together with the OpenBSD if_mos.c driver for validation and checking
96 * and the FreeBSD if_reu.c as reference for the USB Ethernet framework.
99 #include <sys/stdint.h>
100 #include <sys/stddef.h>
101 #include <sys/param.h>
102 #include <sys/queue.h>
103 #include <sys/types.h>
104 #include <sys/systm.h>
105 #include <sys/kernel.h>
107 #include <sys/module.h>
108 #include <sys/lock.h>
109 #include <sys/mutex.h>
110 #include <sys/condvar.h>
111 #include <sys/sysctl.h>
113 #include <sys/unistd.h>
114 #include <sys/callout.h>
115 #include <sys/malloc.h>
116 #include <sys/priv.h>
118 #include <dev/usb/usb.h>
119 #include <dev/usb/usbdi.h>
120 #include <dev/usb/usbdi_util.h>
123 #define USB_DEBUG_VAR mos_debug
124 #include <dev/usb/usb_debug.h>
125 #include <dev/usb/usb_process.h>
127 #include <dev/usb/net/usb_ethernet.h>
129 //#include <dev/usb/net/if_mosreg.h>
130 #include "if_mosreg.h"
133 static int mos_debug = 0;
135 static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW, 0, "USB mos");
136 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RW, &mos_debug, 0,
140 #define MOS_DPRINTFN(fmt,...) \
141 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
143 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
144 #define USB_PRODUCT_SITECOMEU_LN030 0x0021
148 /* Various supported device vendors/products. */
149 static const STRUCT_USB_HOST_ID mos_devs[] = {
150 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
151 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
152 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
155 static int mos_probe(device_t dev);
156 static int mos_attach(device_t dev);
157 static void mos_attach_post(struct usb_ether *ue);
158 static int mos_detach(device_t dev);
160 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
161 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
162 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
163 static void mos_tick(struct usb_ether *);
164 static void mos_start(struct usb_ether *);
165 static void mos_init(struct usb_ether *);
166 static void mos_chip_init(struct mos_softc *);
167 static void mos_stop(struct usb_ether *);
168 static int mos_miibus_readreg(device_t, int, int);
169 static int mos_miibus_writereg(device_t, int, int, int);
170 static void mos_miibus_statchg(device_t);
171 static int mos_ifmedia_upd(struct ifnet *);
172 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
173 static void mos_reset(struct mos_softc *sc);
175 static int mos_reg_read_1(struct mos_softc *, int);
176 static int mos_reg_read_2(struct mos_softc *, int);
177 static int mos_reg_write_1(struct mos_softc *, int, int);
178 static int mos_reg_write_2(struct mos_softc *, int, int);
179 static int mos_readmac(struct mos_softc *, uint8_t *);
180 static int mos_writemac(struct mos_softc *, uint8_t *);
181 static int mos_write_mcast(struct mos_softc *, u_char *);
183 static void mos_setmulti(struct usb_ether *);
184 static void mos_setpromisc(struct usb_ether *);
186 static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
190 .endpoint = UE_ADDR_ANY,
191 .direction = UE_DIR_OUT,
192 .bufsize = (MCLBYTES + 2),
193 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
194 .callback = mos_bulk_write_callback,
200 .endpoint = UE_ADDR_ANY,
201 .direction = UE_DIR_IN,
202 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
203 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
204 .callback = mos_bulk_read_callback,
208 .type = UE_INTERRUPT,
209 .endpoint = UE_ADDR_ANY,
210 .direction = UE_DIR_IN,
211 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
213 .callback = mos_intr_callback,
217 static device_method_t mos_methods[] = {
218 /* Device interface */
219 DEVMETHOD(device_probe, mos_probe),
220 DEVMETHOD(device_attach, mos_attach),
221 DEVMETHOD(device_detach, mos_detach),
224 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
225 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
226 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
231 static driver_t mos_driver = {
233 .methods = mos_methods,
234 .size = sizeof(struct mos_softc)
237 static devclass_t mos_devclass;
239 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
240 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
241 MODULE_DEPEND(mos, uether, 1, 1, 1);
242 MODULE_DEPEND(mos, usb, 1, 1, 1);
243 MODULE_DEPEND(mos, ether, 1, 1, 1);
244 MODULE_DEPEND(mos, miibus, 1, 1, 1);
246 static const struct usb_ether_methods mos_ue_methods = {
247 .ue_attach_post = mos_attach_post,
248 .ue_start = mos_start,
252 .ue_setmulti = mos_setmulti,
253 .ue_setpromisc = mos_setpromisc,
254 .ue_mii_upd = mos_ifmedia_upd,
255 .ue_mii_sts = mos_ifmedia_sts,
260 mos_reg_read_1(struct mos_softc *sc, int reg)
262 struct usb_device_request req;
266 req.bmRequestType = UT_READ_VENDOR_DEVICE;
267 req.bRequest = MOS_UR_READREG;
268 USETW(req.wValue, 0);
269 USETW(req.wIndex, reg);
270 USETW(req.wLength, 1);
272 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
275 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
282 mos_reg_read_2(struct mos_softc *sc, int reg)
284 struct usb_device_request req;
290 req.bmRequestType = UT_READ_VENDOR_DEVICE;
291 req.bRequest = MOS_UR_READREG;
292 USETW(req.wValue, 0);
293 USETW(req.wIndex, reg);
294 USETW(req.wLength, 2);
296 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
299 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
306 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
308 struct usb_device_request req;
313 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
314 req.bRequest = MOS_UR_WRITEREG;
315 USETW(req.wValue, 0);
316 USETW(req.wIndex, reg);
317 USETW(req.wLength, 1);
319 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
322 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
329 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
331 struct usb_device_request req;
337 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
338 req.bRequest = MOS_UR_WRITEREG;
339 USETW(req.wValue, 0);
340 USETW(req.wIndex, reg);
341 USETW(req.wLength, 2);
343 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
346 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
353 mos_readmac(struct mos_softc *sc, u_char *mac)
355 struct usb_device_request req;
358 req.bmRequestType = UT_READ_VENDOR_DEVICE;
359 req.bRequest = MOS_UR_READREG;
360 USETW(req.wValue, 0);
361 USETW(req.wIndex, MOS_MAC);
362 USETW(req.wLength, ETHER_ADDR_LEN);
364 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
373 mos_writemac(struct mos_softc *sc, uint8_t *mac)
375 struct usb_device_request req;
378 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
379 req.bRequest = MOS_UR_WRITEREG;
380 USETW(req.wValue, 0);
381 USETW(req.wIndex, MOS_MAC);
382 USETW(req.wLength, ETHER_ADDR_LEN);
384 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
387 MOS_DPRINTFN("mos_writemac error");
394 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
396 struct usb_device_request req;
399 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
400 req.bRequest = MOS_UR_WRITEREG;
401 USETW(req.wValue, 0);
402 USETW(req.wIndex, MOS_MCAST_TABLE);
403 USETW(req.wLength, 8);
405 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
408 MOS_DPRINTFN("mos_reg_mcast error");
415 mos_miibus_readreg(struct device *dev, int phy, int reg)
417 struct mos_softc *sc = device_get_softc(dev);
423 locked = mtx_owned(&sc->sc_mtx);
427 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
428 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
430 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
433 for (i = 0; i < MOS_TIMEOUT; i++) {
434 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
437 if (i == MOS_TIMEOUT) {
438 MOS_DPRINTFN("MII read timeout");
440 res = mos_reg_read_2(sc, MOS_PHY_DATA);
448 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
450 struct mos_softc *sc = device_get_softc(dev);
453 locked = mtx_owned(&sc->sc_mtx);
457 mos_reg_write_2(sc, MOS_PHY_DATA, val);
458 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
460 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
463 for (i = 0; i < MOS_TIMEOUT; i++) {
464 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
467 if (i == MOS_TIMEOUT)
468 MOS_DPRINTFN("MII write timeout");
476 mos_miibus_statchg(device_t dev)
478 struct mos_softc *sc = device_get_softc(dev);
479 struct mii_data *mii = GET_MII(sc);
480 int val, err, locked;
482 locked = mtx_owned(&sc->sc_mtx);
486 /* disable RX, TX prior to changing FDX, SPEEDSEL */
487 val = mos_reg_read_1(sc, MOS_CTL);
488 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
489 mos_reg_write_1(sc, MOS_CTL, val);
491 /* reset register which counts dropped frames */
492 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
494 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
495 val |= MOS_CTL_FDX_ENB;
497 val &= ~(MOS_CTL_FDX_ENB);
499 switch (IFM_SUBTYPE(mii->mii_media_active)) {
501 val |= MOS_CTL_SPEEDSEL;
504 val &= ~(MOS_CTL_SPEEDSEL);
508 /* re-enable TX, RX */
509 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
510 err = mos_reg_write_1(sc, MOS_CTL, val);
513 MOS_DPRINTFN("media change failed");
523 mos_ifmedia_upd(struct ifnet *ifp)
525 struct mos_softc *sc = ifp->if_softc;
526 struct mii_data *mii = GET_MII(sc);
527 struct mii_softc *miisc;
529 MOS_LOCK_ASSERT(sc, MA_OWNED);
532 if (mii->mii_instance) {
533 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
534 mii_phy_reset(miisc);
541 * Report current media status.
544 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
546 struct mos_softc *sc = ifp->if_softc;
547 struct mii_data *mii = GET_MII(sc);
552 ifmr->ifm_active = mii->mii_media_active;
553 ifmr->ifm_status = mii->mii_media_status;
558 mos_setpromisc(struct usb_ether *ue)
560 struct mos_softc *sc = uether_getsc(ue);
561 struct ifnet *ifp = uether_getifp(ue);
565 MOS_LOCK_ASSERT(sc, MA_OWNED);
567 rxmode = mos_reg_read_1(sc, MOS_CTL);
569 /* If we want promiscuous mode, set the allframes bit. */
570 if (ifp->if_flags & IFF_PROMISC) {
571 rxmode |= MOS_CTL_RX_PROMISC;
573 rxmode &= ~MOS_CTL_RX_PROMISC;
576 mos_reg_write_1(sc, MOS_CTL, rxmode);
582 mos_setmulti(struct usb_ether *ue)
584 struct mos_softc *sc = uether_getsc(ue);
585 struct ifnet *ifp = uether_getifp(ue);
586 struct ifmultiaddr *ifma;
590 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
593 MOS_LOCK_ASSERT(sc, MA_OWNED);
595 rxmode = mos_reg_read_1(sc, MOS_CTL);
597 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
600 /* get all new ones */
602 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
603 if (ifma->ifma_addr->sa_family != AF_LINK) {
607 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
608 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
609 hashtbl[h / 8] |= 1 << (h % 8);
611 if_maddr_runlock(ifp);
613 /* now program new ones */
615 rxmode |= MOS_CTL_ALLMULTI;
616 mos_reg_write_1(sc, MOS_CTL, rxmode);
618 rxmode &= ~MOS_CTL_ALLMULTI;
619 mos_write_mcast(sc, (void *)&hashtbl);
620 mos_reg_write_1(sc, MOS_CTL, rxmode);
625 mos_reset(struct mos_softc *sc)
629 ctl = mos_reg_read_1(sc, MOS_CTL);
630 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
632 /* Disable RX, TX, promiscuous and allmulticast mode */
633 mos_reg_write_1(sc, MOS_CTL, ctl);
635 /* Reset frame drop counter register to zero */
636 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
638 /* Wait a little while for the chip to get its brains in order. */
639 usb_pause_mtx(&sc->sc_mtx, hz / 128);
644 mos_chip_init(struct mos_softc *sc)
649 * Rev.C devices have a pause threshold register which needs to be set
652 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
653 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
654 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
656 sc->mos_phyaddrs[0] = 1;
657 sc->mos_phyaddrs[1] = 0xFF;
661 * Probe for a MCS7x30 chip.
664 mos_probe(device_t dev)
666 struct usb_attach_arg *uaa = device_get_ivars(dev);
669 if (uaa->usb_mode != USB_MODE_HOST)
671 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
673 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
676 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
681 * Attach the interface. Allocate softc structures, do ifmedia
682 * setup and ethernet/BPF attach.
685 mos_attach(device_t dev)
687 struct usb_attach_arg *uaa = device_get_ivars(dev);
688 struct mos_softc *sc = device_get_softc(dev);
689 struct usb_ether *ue = &sc->sc_ue;
693 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
695 device_set_usb_desc(dev);
696 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
698 iface_index = MOS_IFACE_IDX;
699 error = usbd_transfer_setup(uaa->device, &iface_index,
700 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
704 device_printf(dev, "allocating USB transfers failed\n");
709 ue->ue_udev = uaa->device;
710 ue->ue_mtx = &sc->sc_mtx;
711 ue->ue_methods = &mos_ue_methods;
714 if (sc->mos_flags & MCS7730) {
715 MOS_DPRINTFN("model: MCS7730");
716 } else if (sc->mos_flags & MCS7830) {
717 MOS_DPRINTFN("model: MCS7830");
719 error = uether_ifattach(ue);
721 device_printf(dev, "could not attach interface\n");
734 mos_attach_post(struct usb_ether *ue)
736 struct mos_softc *sc = uether_getsc(ue);
739 /* Read MAC address, inform the world. */
740 err = mos_readmac(sc, ue->ue_eaddr);
743 MOS_DPRINTFN("couldn't get MAC address");
745 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
751 mos_detach(device_t dev)
753 struct mos_softc *sc = device_get_softc(dev);
754 struct usb_ether *ue = &sc->sc_ue;
756 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
758 mtx_destroy(&sc->sc_mtx);
767 * A frame has been uploaded: pass the resulting mbuf chain up to
768 * the higher level protocols.
771 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
773 struct mos_softc *sc = usbd_xfer_softc(xfer);
774 struct usb_ether *ue = &sc->sc_ue;
775 struct ifnet *ifp = uether_getifp(ue);
780 struct usb_page_cache *pc;
782 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
783 pc = usbd_xfer_get_frame(xfer, 0);
785 switch (USB_GET_STATE(xfer)) {
786 case USB_ST_TRANSFERRED:
787 MOS_DPRINTFN("actlen : %d", actlen);
792 /* evaluate status byte at the end */
793 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
796 if (rxstat != MOS_RXSTS_VALID) {
797 MOS_DPRINTFN("erroneous frame received");
798 if (rxstat & MOS_RXSTS_SHORT_FRAME)
799 MOS_DPRINTFN("frame size less than 64 bytes");
800 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
801 MOS_DPRINTFN("frame size larger than "
804 if (rxstat & MOS_RXSTS_CRC_ERROR)
805 MOS_DPRINTFN("CRC error");
806 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
807 MOS_DPRINTFN("alignment error");
811 /* Remember the last byte was used for the status fields */
813 if (pktlen < sizeof(struct ether_header)) {
814 MOS_DPRINTFN("error: pktlen %d is smaller "
815 "than ether_header %zd", pktlen,
816 sizeof(struct ether_header));
820 uether_rxbuf(ue, pc, 0, actlen);
824 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
825 usbd_transfer_submit(xfer);
829 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
830 if (error != USB_ERR_CANCELLED) {
831 usbd_xfer_set_stall(xfer);
834 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
840 * A frame was downloaded to the chip. It's safe for us to clean up
844 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
846 struct mos_softc *sc = usbd_xfer_softc(xfer);
847 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
848 struct usb_page_cache *pc;
853 switch (USB_GET_STATE(xfer)) {
854 case USB_ST_TRANSFERRED:
855 MOS_DPRINTFN("transfer of complete");
861 * XXX: don't send anything if there is no link?
863 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
867 pc = usbd_xfer_get_frame(xfer, 0);
868 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
870 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
874 * if there's a BPF listener, bounce a copy
875 * of this frame to him:
881 usbd_transfer_submit(xfer);
886 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
888 if (error != USB_ERR_CANCELLED) {
889 usbd_xfer_set_stall(xfer);
897 mos_tick(struct usb_ether *ue)
899 struct mos_softc *sc = uether_getsc(ue);
900 struct mii_data *mii = GET_MII(sc);
902 MOS_LOCK_ASSERT(sc, MA_OWNED);
905 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
906 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
907 MOS_DPRINTFN("got link");
915 mos_start(struct usb_ether *ue)
917 struct mos_softc *sc = uether_getsc(ue);
920 * start the USB transfers, if not already started:
922 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
923 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
924 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
928 mos_init(struct usb_ether *ue)
930 struct mos_softc *sc = uether_getsc(ue);
931 struct ifnet *ifp = uether_getifp(ue);
934 MOS_LOCK_ASSERT(sc, MA_OWNED);
936 /* Cancel pending I/O and free all RX/TX buffers. */
939 /* Write MAC address */
940 mos_writemac(sc, IF_LLADDR(ifp));
942 /* Read and set transmitter IPG values */
943 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
944 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
945 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
946 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
949 * Enable receiver and transmitter, bridge controls speed/duplex
952 rxmode = mos_reg_read_1(sc, MOS_CTL);
953 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
954 rxmode &= ~(MOS_CTL_SLEEP);
958 /* XXX: broadcast mode? */
959 mos_reg_write_1(sc, MOS_CTL, rxmode);
961 /* Load the multicast filter. */
964 ifp->if_drv_flags |= IFF_DRV_RUNNING;
970 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
972 struct mos_softc *sc = usbd_xfer_softc(xfer);
973 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
974 struct usb_page_cache *pc;
980 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
981 MOS_DPRINTFN("actlen %i", actlen);
983 switch (USB_GET_STATE(xfer)) {
984 case USB_ST_TRANSFERRED:
986 pc = usbd_xfer_get_frame(xfer, 0);
987 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
993 if (error != USB_ERR_CANCELLED) {
994 usbd_xfer_set_stall(xfer);
1003 * Stop the adapter and free any mbufs allocated to the
1007 mos_stop(struct usb_ether *ue)
1009 struct mos_softc *sc = uether_getsc(ue);
1010 struct ifnet *ifp = uether_getifp(ue);
1014 MOS_LOCK_ASSERT(sc, MA_OWNED);
1015 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1017 /* stop all the transfers, if not already stopped */
1018 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1019 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1020 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);