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 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(bus_print_child, bus_generic_print_child),
227 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
228 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
229 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
234 static driver_t mos_driver = {
236 .methods = mos_methods,
237 .size = sizeof(struct mos_softc)
240 static devclass_t mos_devclass;
242 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
243 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
244 MODULE_DEPEND(mos, uether, 1, 1, 1);
245 MODULE_DEPEND(mos, usb, 1, 1, 1);
246 MODULE_DEPEND(mos, ether, 1, 1, 1);
247 MODULE_DEPEND(mos, miibus, 1, 1, 1);
249 static const struct usb_ether_methods mos_ue_methods = {
250 .ue_attach_post = mos_attach_post,
251 .ue_start = mos_start,
255 .ue_setmulti = mos_setmulti,
256 .ue_setpromisc = mos_setpromisc,
257 .ue_mii_upd = mos_ifmedia_upd,
258 .ue_mii_sts = mos_ifmedia_sts,
263 mos_reg_read_1(struct mos_softc *sc, int reg)
265 struct usb_device_request req;
269 req.bmRequestType = UT_READ_VENDOR_DEVICE;
270 req.bRequest = MOS_UR_READREG;
271 USETW(req.wValue, 0);
272 USETW(req.wIndex, reg);
273 USETW(req.wLength, 1);
275 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
278 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
285 mos_reg_read_2(struct mos_softc *sc, int reg)
287 struct usb_device_request req;
293 req.bmRequestType = UT_READ_VENDOR_DEVICE;
294 req.bRequest = MOS_UR_READREG;
295 USETW(req.wValue, 0);
296 USETW(req.wIndex, reg);
297 USETW(req.wLength, 2);
299 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
302 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
309 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
311 struct usb_device_request req;
316 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
317 req.bRequest = MOS_UR_WRITEREG;
318 USETW(req.wValue, 0);
319 USETW(req.wIndex, reg);
320 USETW(req.wLength, 1);
322 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
325 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
332 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
334 struct usb_device_request req;
340 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
341 req.bRequest = MOS_UR_WRITEREG;
342 USETW(req.wValue, 0);
343 USETW(req.wIndex, reg);
344 USETW(req.wLength, 2);
346 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
349 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
356 mos_readmac(struct mos_softc *sc, u_char *mac)
358 struct usb_device_request req;
361 req.bmRequestType = UT_READ_VENDOR_DEVICE;
362 req.bRequest = MOS_UR_READREG;
363 USETW(req.wValue, 0);
364 USETW(req.wIndex, MOS_MAC);
365 USETW(req.wLength, ETHER_ADDR_LEN);
367 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
376 mos_writemac(struct mos_softc *sc, uint8_t *mac)
378 struct usb_device_request req;
381 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
382 req.bRequest = MOS_UR_WRITEREG;
383 USETW(req.wValue, 0);
384 USETW(req.wIndex, MOS_MAC);
385 USETW(req.wLength, ETHER_ADDR_LEN);
387 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
390 MOS_DPRINTFN("mos_writemac error");
397 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
399 struct usb_device_request req;
402 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
403 req.bRequest = MOS_UR_WRITEREG;
404 USETW(req.wValue, 0);
405 USETW(req.wIndex, MOS_MCAST_TABLE);
406 USETW(req.wLength, 8);
408 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
411 MOS_DPRINTFN("mos_reg_mcast error");
418 mos_miibus_readreg(struct device *dev, int phy, int reg)
420 struct mos_softc *sc = device_get_softc(dev);
426 locked = mtx_owned(&sc->sc_mtx);
430 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
431 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
433 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
436 for (i = 0; i < MOS_TIMEOUT; i++) {
437 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
440 if (i == MOS_TIMEOUT) {
441 MOS_DPRINTFN("MII read timeout");
443 res = mos_reg_read_2(sc, MOS_PHY_DATA);
451 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
453 struct mos_softc *sc = device_get_softc(dev);
456 locked = mtx_owned(&sc->sc_mtx);
460 mos_reg_write_2(sc, MOS_PHY_DATA, val);
461 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
463 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
466 for (i = 0; i < MOS_TIMEOUT; i++) {
467 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
470 if (i == MOS_TIMEOUT)
471 MOS_DPRINTFN("MII write timeout");
479 mos_miibus_statchg(device_t dev)
481 struct mos_softc *sc = device_get_softc(dev);
482 struct mii_data *mii = GET_MII(sc);
483 int val, err, locked;
485 locked = mtx_owned(&sc->sc_mtx);
489 /* disable RX, TX prior to changing FDX, SPEEDSEL */
490 val = mos_reg_read_1(sc, MOS_CTL);
491 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
492 mos_reg_write_1(sc, MOS_CTL, val);
494 /* reset register which counts dropped frames */
495 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
497 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
498 val |= MOS_CTL_FDX_ENB;
500 val &= ~(MOS_CTL_FDX_ENB);
502 switch (IFM_SUBTYPE(mii->mii_media_active)) {
504 val |= MOS_CTL_SPEEDSEL;
507 val &= ~(MOS_CTL_SPEEDSEL);
511 /* re-enable TX, RX */
512 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
513 err = mos_reg_write_1(sc, MOS_CTL, val);
516 MOS_DPRINTFN("media change failed");
526 mos_ifmedia_upd(struct ifnet *ifp)
528 struct mos_softc *sc = ifp->if_softc;
529 struct mii_data *mii = GET_MII(sc);
530 struct mii_softc *miisc;
532 MOS_LOCK_ASSERT(sc, MA_OWNED);
535 if (mii->mii_instance) {
536 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
537 mii_phy_reset(miisc);
544 * Report current media status.
547 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
549 struct mos_softc *sc = ifp->if_softc;
550 struct mii_data *mii = GET_MII(sc);
556 ifmr->ifm_active = mii->mii_media_active;
557 ifmr->ifm_status = mii->mii_media_status;
561 mos_setpromisc(struct usb_ether *ue)
563 struct mos_softc *sc = uether_getsc(ue);
564 struct ifnet *ifp = uether_getifp(ue);
568 MOS_LOCK_ASSERT(sc, MA_OWNED);
570 rxmode = mos_reg_read_1(sc, MOS_CTL);
572 /* If we want promiscuous mode, set the allframes bit. */
573 if (ifp->if_flags & IFF_PROMISC) {
574 rxmode |= MOS_CTL_RX_PROMISC;
576 rxmode &= ~MOS_CTL_RX_PROMISC;
579 mos_reg_write_1(sc, MOS_CTL, rxmode);
585 mos_setmulti(struct usb_ether *ue)
587 struct mos_softc *sc = uether_getsc(ue);
588 struct ifnet *ifp = uether_getifp(ue);
589 struct ifmultiaddr *ifma;
593 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
596 MOS_LOCK_ASSERT(sc, MA_OWNED);
598 rxmode = mos_reg_read_1(sc, MOS_CTL);
600 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
603 /* get all new ones */
605 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
606 if (ifma->ifma_addr->sa_family != AF_LINK) {
610 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
611 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
612 hashtbl[h / 8] |= 1 << (h % 8);
614 if_maddr_runlock(ifp);
616 /* now program new ones */
618 rxmode |= MOS_CTL_ALLMULTI;
619 mos_reg_write_1(sc, MOS_CTL, rxmode);
621 rxmode &= ~MOS_CTL_ALLMULTI;
622 mos_write_mcast(sc, (void *)&hashtbl);
623 mos_reg_write_1(sc, MOS_CTL, rxmode);
628 mos_reset(struct mos_softc *sc)
632 ctl = mos_reg_read_1(sc, MOS_CTL);
633 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
635 /* Disable RX, TX, promiscuous and allmulticast mode */
636 mos_reg_write_1(sc, MOS_CTL, ctl);
638 /* Reset frame drop counter register to zero */
639 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
641 /* Wait a little while for the chip to get its brains in order. */
642 usb_pause_mtx(&sc->sc_mtx, hz / 128);
647 mos_chip_init(struct mos_softc *sc)
652 * Rev.C devices have a pause threshold register which needs to be set
655 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
656 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
657 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
659 sc->mos_phyaddrs[0] = 1;
660 sc->mos_phyaddrs[1] = 0xFF;
664 * Probe for a MCS7x30 chip.
667 mos_probe(device_t dev)
669 struct usb_attach_arg *uaa = device_get_ivars(dev);
672 if (uaa->usb_mode != USB_MODE_HOST)
674 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
676 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
679 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
684 * Attach the interface. Allocate softc structures, do ifmedia
685 * setup and ethernet/BPF attach.
688 mos_attach(device_t dev)
690 struct usb_attach_arg *uaa = device_get_ivars(dev);
691 struct mos_softc *sc = device_get_softc(dev);
692 struct usb_ether *ue = &sc->sc_ue;
696 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
698 device_set_usb_desc(dev);
699 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
701 iface_index = MOS_IFACE_IDX;
702 error = usbd_transfer_setup(uaa->device, &iface_index,
703 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
707 device_printf(dev, "allocating USB transfers failed\n");
712 ue->ue_udev = uaa->device;
713 ue->ue_mtx = &sc->sc_mtx;
714 ue->ue_methods = &mos_ue_methods;
717 if (sc->mos_flags & MCS7730) {
718 MOS_DPRINTFN("model: MCS7730");
719 } else if (sc->mos_flags & MCS7830) {
720 MOS_DPRINTFN("model: MCS7830");
722 error = uether_ifattach(ue);
724 device_printf(dev, "could not attach interface\n");
737 mos_attach_post(struct usb_ether *ue)
739 struct mos_softc *sc = uether_getsc(ue);
742 /* Read MAC address, inform the world. */
743 err = mos_readmac(sc, ue->ue_eaddr);
746 MOS_DPRINTFN("couldn't get MAC address");
748 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
754 mos_detach(device_t dev)
756 struct mos_softc *sc = device_get_softc(dev);
757 struct usb_ether *ue = &sc->sc_ue;
759 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
761 mtx_destroy(&sc->sc_mtx);
770 * A frame has been uploaded: pass the resulting mbuf chain up to
771 * the higher level protocols.
774 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
776 struct mos_softc *sc = usbd_xfer_softc(xfer);
777 struct usb_ether *ue = &sc->sc_ue;
778 struct ifnet *ifp = uether_getifp(ue);
783 struct usb_page_cache *pc;
785 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
786 pc = usbd_xfer_get_frame(xfer, 0);
788 switch (USB_GET_STATE(xfer)) {
789 case USB_ST_TRANSFERRED:
790 MOS_DPRINTFN("actlen : %d", actlen);
795 /* evaluate status byte at the end */
796 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
799 if (rxstat != MOS_RXSTS_VALID) {
800 MOS_DPRINTFN("erroneous frame received");
801 if (rxstat & MOS_RXSTS_SHORT_FRAME)
802 MOS_DPRINTFN("frame size less than 64 bytes");
803 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
804 MOS_DPRINTFN("frame size larger than "
807 if (rxstat & MOS_RXSTS_CRC_ERROR)
808 MOS_DPRINTFN("CRC error");
809 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
810 MOS_DPRINTFN("alignment error");
814 /* Remember the last byte was used for the status fields */
816 if (pktlen < sizeof(struct ether_header)) {
817 MOS_DPRINTFN("error: pktlen %d is smaller "
818 "than ether_header %zd", pktlen,
819 sizeof(struct ether_header));
823 uether_rxbuf(ue, pc, 0, actlen);
827 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
828 usbd_transfer_submit(xfer);
832 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
833 if (error != USB_ERR_CANCELLED) {
834 usbd_xfer_set_stall(xfer);
837 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
843 * A frame was downloaded to the chip. It's safe for us to clean up
847 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
849 struct mos_softc *sc = usbd_xfer_softc(xfer);
850 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
851 struct usb_page_cache *pc;
856 switch (USB_GET_STATE(xfer)) {
857 case USB_ST_TRANSFERRED:
858 MOS_DPRINTFN("transfer of complete");
864 * XXX: don't send anything if there is no link?
866 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
870 pc = usbd_xfer_get_frame(xfer, 0);
871 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
873 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
877 * if there's a BPF listener, bounce a copy
878 * of this frame to him:
884 usbd_transfer_submit(xfer);
889 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
891 if (error != USB_ERR_CANCELLED) {
892 usbd_xfer_set_stall(xfer);
900 mos_tick(struct usb_ether *ue)
902 struct mos_softc *sc = uether_getsc(ue);
903 struct mii_data *mii = GET_MII(sc);
905 MOS_LOCK_ASSERT(sc, MA_OWNED);
908 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
909 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
910 MOS_DPRINTFN("got link");
918 mos_start(struct usb_ether *ue)
920 struct mos_softc *sc = uether_getsc(ue);
923 * start the USB transfers, if not already started:
925 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
926 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
927 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
931 mos_init(struct usb_ether *ue)
933 struct mos_softc *sc = uether_getsc(ue);
934 struct ifnet *ifp = uether_getifp(ue);
937 MOS_LOCK_ASSERT(sc, MA_OWNED);
939 /* Cancel pending I/O and free all RX/TX buffers. */
942 /* Write MAC address */
943 mos_writemac(sc, IF_LLADDR(ifp));
945 /* Read and set transmitter IPG values */
946 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
947 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
948 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
949 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
952 * Enable receiver and transmitter, bridge controls speed/duplex
955 rxmode = mos_reg_read_1(sc, MOS_CTL);
956 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
957 rxmode &= ~(MOS_CTL_SLEEP);
961 /* XXX: broadcast mode? */
962 mos_reg_write_1(sc, MOS_CTL, rxmode);
964 /* Load the multicast filter. */
967 ifp->if_drv_flags |= IFF_DRV_RUNNING;
973 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
975 struct mos_softc *sc = usbd_xfer_softc(xfer);
976 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
977 struct usb_page_cache *pc;
983 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
984 MOS_DPRINTFN("actlen %i", actlen);
986 switch (USB_GET_STATE(xfer)) {
987 case USB_ST_TRANSFERRED:
989 pc = usbd_xfer_get_frame(xfer, 0);
990 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
996 if (error != USB_ERR_CANCELLED) {
997 usbd_xfer_set_stall(xfer);
1006 * Stop the adapter and free any mbufs allocated to the
1010 mos_stop(struct usb_ether *ue)
1012 struct mos_softc *sc = uether_getsc(ue);
1013 struct ifnet *ifp = uether_getifp(ue);
1017 MOS_LOCK_ASSERT(sc, MA_OWNED);
1018 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1020 /* stop all the transfers, if not already stopped */
1021 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1022 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1023 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);