2 * SPDX-License-Identifier: (BSD-1-Clause AND BSD-4-Clause)
4 * Copyright (c) 2011 Rick van der Zwet <info@rickvanderzwet.nl>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net>
22 * Permission to use, copy, modify, and distribute this software for any
23 * purpose with or without fee is hereby granted, provided that the above
24 * copyright notice and this permission notice appear in all copies.
26 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
27 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
29 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
30 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
31 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
32 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
36 * Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org>
38 * Permission to use, copy, modify, and distribute this software for any
39 * purpose with or without fee is hereby granted, provided that the above
40 * copyright notice and this permission notice appear in all copies.
42 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
43 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
44 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
45 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
46 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
47 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
48 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
52 * Copyright (c) 1997, 1998, 1999, 2000-2003
53 * Bill Paul <wpaul@windriver.com>. All rights reserved.
55 * Redistribution and use in source and binary forms, with or without
56 * modification, are permitted provided that the following conditions
58 * 1. Redistributions of source code must retain the above copyright
59 * notice, this list of conditions and the following disclaimer.
60 * 2. Redistributions in binary form must reproduce the above copyright
61 * notice, this list of conditions and the following disclaimer in the
62 * documentation and/or other materials provided with the distribution.
63 * 3. All advertising materials mentioning features or use of this software
64 * must display the following acknowledgement:
65 * This product includes software developed by Bill Paul.
66 * 4. Neither the name of the author nor the names of any co-contributors
67 * may be used to endorse or promote products derived from this software
68 * without specific prior written permission.
70 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
71 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
73 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
74 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
75 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
76 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
77 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
78 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
79 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
80 * THE POSSIBILITY OF SUCH DAMAGE.
83 #include <sys/cdefs.h>
84 __FBSDID("$FreeBSD$");
87 * Moschip MCS7730/MCS7830/MCS7832 USB to Ethernet controller
88 * The datasheet is available at the following URL:
89 * http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf
93 * The FreeBSD if_mos.c driver is based on various different sources:
94 * The vendor provided driver at the following URL:
95 * http://www.moschip.com/data/products/MCS7830/Driver_FreeBSD_7830.tar.gz
97 * Mixed together with the OpenBSD if_mos.c driver for validation and checking
98 * and the FreeBSD if_reu.c as reference for the USB Ethernet framework.
101 #include <sys/stdint.h>
102 #include <sys/stddef.h>
103 #include <sys/param.h>
104 #include <sys/queue.h>
105 #include <sys/types.h>
106 #include <sys/systm.h>
107 #include <sys/socket.h>
108 #include <sys/kernel.h>
110 #include <sys/module.h>
111 #include <sys/lock.h>
112 #include <sys/mutex.h>
113 #include <sys/condvar.h>
114 #include <sys/sysctl.h>
116 #include <sys/unistd.h>
117 #include <sys/callout.h>
118 #include <sys/malloc.h>
119 #include <sys/priv.h>
122 #include <net/if_var.h>
123 #include <net/if_media.h>
125 #include <dev/mii/mii.h>
126 #include <dev/mii/miivar.h>
128 #include <dev/usb/usb.h>
129 #include <dev/usb/usbdi.h>
130 #include <dev/usb/usbdi_util.h>
133 #define USB_DEBUG_VAR mos_debug
134 #include <dev/usb/usb_debug.h>
135 #include <dev/usb/usb_process.h>
137 #include <dev/usb/net/usb_ethernet.h>
139 #include "miibus_if.h"
141 //#include <dev/usb/net/if_mosreg.h>
142 #include "if_mosreg.h"
145 static int mos_debug = 0;
147 static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
149 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RWTUN, &mos_debug, 0,
153 #define MOS_DPRINTFN(fmt,...) \
154 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
156 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
157 #define USB_PRODUCT_SITECOMEU_LN030 0x0021
161 /* Various supported device vendors/products. */
162 static const STRUCT_USB_HOST_ID mos_devs[] = {
163 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
164 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
165 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)},
166 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
169 static int mos_probe(device_t dev);
170 static int mos_attach(device_t dev);
171 static void mos_attach_post(struct usb_ether *ue);
172 static int mos_detach(device_t dev);
174 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
175 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
176 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
177 static void mos_tick(struct usb_ether *);
178 static void mos_start(struct usb_ether *);
179 static void mos_init(struct usb_ether *);
180 static void mos_chip_init(struct mos_softc *);
181 static void mos_stop(struct usb_ether *);
182 static int mos_miibus_readreg(device_t, int, int);
183 static int mos_miibus_writereg(device_t, int, int, int);
184 static void mos_miibus_statchg(device_t);
185 static int mos_ifmedia_upd(struct ifnet *);
186 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
187 static void mos_reset(struct mos_softc *sc);
189 static int mos_reg_read_1(struct mos_softc *, int);
190 static int mos_reg_read_2(struct mos_softc *, int);
191 static int mos_reg_write_1(struct mos_softc *, int, int);
192 static int mos_reg_write_2(struct mos_softc *, int, int);
193 static int mos_readmac(struct mos_softc *, uint8_t *);
194 static int mos_writemac(struct mos_softc *, uint8_t *);
195 static int mos_write_mcast(struct mos_softc *, u_char *);
197 static void mos_setmulti(struct usb_ether *);
198 static void mos_setpromisc(struct usb_ether *);
200 static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
204 .endpoint = UE_ADDR_ANY,
205 .direction = UE_DIR_OUT,
206 .bufsize = (MCLBYTES + 2),
207 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
208 .callback = mos_bulk_write_callback,
214 .endpoint = UE_ADDR_ANY,
215 .direction = UE_DIR_IN,
216 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
217 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
218 .callback = mos_bulk_read_callback,
222 .type = UE_INTERRUPT,
223 .endpoint = UE_ADDR_ANY,
224 .direction = UE_DIR_IN,
225 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
227 .callback = mos_intr_callback,
231 static device_method_t mos_methods[] = {
232 /* Device interface */
233 DEVMETHOD(device_probe, mos_probe),
234 DEVMETHOD(device_attach, mos_attach),
235 DEVMETHOD(device_detach, mos_detach),
238 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
239 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
240 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
245 static driver_t mos_driver = {
247 .methods = mos_methods,
248 .size = sizeof(struct mos_softc)
251 static devclass_t mos_devclass;
253 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
254 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
255 MODULE_DEPEND(mos, uether, 1, 1, 1);
256 MODULE_DEPEND(mos, usb, 1, 1, 1);
257 MODULE_DEPEND(mos, ether, 1, 1, 1);
258 MODULE_DEPEND(mos, miibus, 1, 1, 1);
259 USB_PNP_HOST_INFO(mos_devs);
261 static const struct usb_ether_methods mos_ue_methods = {
262 .ue_attach_post = mos_attach_post,
263 .ue_start = mos_start,
267 .ue_setmulti = mos_setmulti,
268 .ue_setpromisc = mos_setpromisc,
269 .ue_mii_upd = mos_ifmedia_upd,
270 .ue_mii_sts = mos_ifmedia_sts,
275 mos_reg_read_1(struct mos_softc *sc, int reg)
277 struct usb_device_request req;
281 req.bmRequestType = UT_READ_VENDOR_DEVICE;
282 req.bRequest = MOS_UR_READREG;
283 USETW(req.wValue, 0);
284 USETW(req.wIndex, reg);
285 USETW(req.wLength, 1);
287 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
290 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
297 mos_reg_read_2(struct mos_softc *sc, int reg)
299 struct usb_device_request req;
305 req.bmRequestType = UT_READ_VENDOR_DEVICE;
306 req.bRequest = MOS_UR_READREG;
307 USETW(req.wValue, 0);
308 USETW(req.wIndex, reg);
309 USETW(req.wLength, 2);
311 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
314 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
321 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
323 struct usb_device_request req;
328 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
329 req.bRequest = MOS_UR_WRITEREG;
330 USETW(req.wValue, 0);
331 USETW(req.wIndex, reg);
332 USETW(req.wLength, 1);
334 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
337 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
344 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
346 struct usb_device_request req;
352 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
353 req.bRequest = MOS_UR_WRITEREG;
354 USETW(req.wValue, 0);
355 USETW(req.wIndex, reg);
356 USETW(req.wLength, 2);
358 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
361 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
368 mos_readmac(struct mos_softc *sc, u_char *mac)
370 struct usb_device_request req;
373 req.bmRequestType = UT_READ_VENDOR_DEVICE;
374 req.bRequest = MOS_UR_READREG;
375 USETW(req.wValue, 0);
376 USETW(req.wIndex, MOS_MAC);
377 USETW(req.wLength, ETHER_ADDR_LEN);
379 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
388 mos_writemac(struct mos_softc *sc, uint8_t *mac)
390 struct usb_device_request req;
393 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
394 req.bRequest = MOS_UR_WRITEREG;
395 USETW(req.wValue, 0);
396 USETW(req.wIndex, MOS_MAC);
397 USETW(req.wLength, ETHER_ADDR_LEN);
399 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
402 MOS_DPRINTFN("mos_writemac error");
409 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
411 struct usb_device_request req;
414 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
415 req.bRequest = MOS_UR_WRITEREG;
416 USETW(req.wValue, 0);
417 USETW(req.wIndex, MOS_MCAST_TABLE);
418 USETW(req.wLength, 8);
420 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
423 MOS_DPRINTFN("mos_reg_mcast error");
430 mos_miibus_readreg(device_t dev, int phy, int reg)
432 struct mos_softc *sc = device_get_softc(dev);
438 locked = mtx_owned(&sc->sc_mtx);
442 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
443 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
445 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
448 for (i = 0; i < MOS_TIMEOUT; i++) {
449 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
452 if (i == MOS_TIMEOUT) {
453 MOS_DPRINTFN("MII read timeout");
455 res = mos_reg_read_2(sc, MOS_PHY_DATA);
463 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
465 struct mos_softc *sc = device_get_softc(dev);
468 locked = mtx_owned(&sc->sc_mtx);
472 mos_reg_write_2(sc, MOS_PHY_DATA, val);
473 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
475 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
478 for (i = 0; i < MOS_TIMEOUT; i++) {
479 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
482 if (i == MOS_TIMEOUT)
483 MOS_DPRINTFN("MII write timeout");
491 mos_miibus_statchg(device_t dev)
493 struct mos_softc *sc = device_get_softc(dev);
494 struct mii_data *mii = GET_MII(sc);
495 int val, err, locked;
497 locked = mtx_owned(&sc->sc_mtx);
501 /* disable RX, TX prior to changing FDX, SPEEDSEL */
502 val = mos_reg_read_1(sc, MOS_CTL);
503 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
504 mos_reg_write_1(sc, MOS_CTL, val);
506 /* reset register which counts dropped frames */
507 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
509 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
510 val |= MOS_CTL_FDX_ENB;
512 val &= ~(MOS_CTL_FDX_ENB);
514 switch (IFM_SUBTYPE(mii->mii_media_active)) {
516 val |= MOS_CTL_SPEEDSEL;
519 val &= ~(MOS_CTL_SPEEDSEL);
523 /* re-enable TX, RX */
524 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
525 err = mos_reg_write_1(sc, MOS_CTL, val);
528 MOS_DPRINTFN("media change failed");
538 mos_ifmedia_upd(struct ifnet *ifp)
540 struct mos_softc *sc = ifp->if_softc;
541 struct mii_data *mii = GET_MII(sc);
542 struct mii_softc *miisc;
545 MOS_LOCK_ASSERT(sc, MA_OWNED);
548 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
550 error = mii_mediachg(mii);
555 * Report current media status.
558 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
560 struct mos_softc *sc = ifp->if_softc;
561 struct mii_data *mii = GET_MII(sc);
566 ifmr->ifm_active = mii->mii_media_active;
567 ifmr->ifm_status = mii->mii_media_status;
572 mos_setpromisc(struct usb_ether *ue)
574 struct mos_softc *sc = uether_getsc(ue);
575 struct ifnet *ifp = uether_getifp(ue);
579 MOS_LOCK_ASSERT(sc, MA_OWNED);
581 rxmode = mos_reg_read_1(sc, MOS_CTL);
583 /* If we want promiscuous mode, set the allframes bit. */
584 if (ifp->if_flags & IFF_PROMISC) {
585 rxmode |= MOS_CTL_RX_PROMISC;
587 rxmode &= ~MOS_CTL_RX_PROMISC;
590 mos_reg_write_1(sc, MOS_CTL, rxmode);
594 mos_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
596 uint8_t *hashtbl = arg;
599 h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 26;
600 hashtbl[h / 8] |= 1 << (h % 8);
606 mos_setmulti(struct usb_ether *ue)
608 struct mos_softc *sc = uether_getsc(ue);
609 struct ifnet *ifp = uether_getifp(ue);
611 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
614 MOS_LOCK_ASSERT(sc, MA_OWNED);
616 rxmode = mos_reg_read_1(sc, MOS_CTL);
618 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
621 /* get all new ones */
622 if_foreach_llmaddr(ifp, mos_hash_maddr, &hashtbl);
624 /* now program new ones */
626 rxmode |= MOS_CTL_ALLMULTI;
627 mos_reg_write_1(sc, MOS_CTL, rxmode);
629 rxmode &= ~MOS_CTL_ALLMULTI;
630 mos_write_mcast(sc, (void *)&hashtbl);
631 mos_reg_write_1(sc, MOS_CTL, rxmode);
636 mos_reset(struct mos_softc *sc)
640 ctl = mos_reg_read_1(sc, MOS_CTL);
641 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
643 /* Disable RX, TX, promiscuous and allmulticast mode */
644 mos_reg_write_1(sc, MOS_CTL, ctl);
646 /* Reset frame drop counter register to zero */
647 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
649 /* Wait a little while for the chip to get its brains in order. */
650 usb_pause_mtx(&sc->sc_mtx, hz / 128);
655 mos_chip_init(struct mos_softc *sc)
660 * Rev.C devices have a pause threshold register which needs to be set
663 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
664 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
665 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
667 sc->mos_phyaddrs[0] = 1;
668 sc->mos_phyaddrs[1] = 0xFF;
672 * Probe for a MCS7x30 chip.
675 mos_probe(device_t dev)
677 struct usb_attach_arg *uaa = device_get_ivars(dev);
680 if (uaa->usb_mode != USB_MODE_HOST)
682 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
684 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
687 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
692 * Attach the interface. Allocate softc structures, do ifmedia
693 * setup and ethernet/BPF attach.
696 mos_attach(device_t dev)
698 struct usb_attach_arg *uaa = device_get_ivars(dev);
699 struct mos_softc *sc = device_get_softc(dev);
700 struct usb_ether *ue = &sc->sc_ue;
704 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
706 device_set_usb_desc(dev);
707 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
709 iface_index = MOS_IFACE_IDX;
710 error = usbd_transfer_setup(uaa->device, &iface_index,
711 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
715 device_printf(dev, "allocating USB transfers failed\n");
720 ue->ue_udev = uaa->device;
721 ue->ue_mtx = &sc->sc_mtx;
722 ue->ue_methods = &mos_ue_methods;
725 if (sc->mos_flags & MCS7730) {
726 MOS_DPRINTFN("model: MCS7730");
727 } else if (sc->mos_flags & MCS7830) {
728 MOS_DPRINTFN("model: MCS7830");
729 } else if (sc->mos_flags & MCS7832) {
730 MOS_DPRINTFN("model: MCS7832");
732 error = uether_ifattach(ue);
734 device_printf(dev, "could not attach interface\n");
747 mos_attach_post(struct usb_ether *ue)
749 struct mos_softc *sc = uether_getsc(ue);
752 /* Read MAC address, inform the world. */
753 err = mos_readmac(sc, ue->ue_eaddr);
756 MOS_DPRINTFN("couldn't get MAC address");
758 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
764 mos_detach(device_t dev)
766 struct mos_softc *sc = device_get_softc(dev);
767 struct usb_ether *ue = &sc->sc_ue;
769 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
771 mtx_destroy(&sc->sc_mtx);
780 * A frame has been uploaded: pass the resulting mbuf chain up to
781 * the higher level protocols.
784 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
786 struct mos_softc *sc = usbd_xfer_softc(xfer);
787 struct usb_ether *ue = &sc->sc_ue;
788 struct ifnet *ifp = uether_getifp(ue);
793 struct usb_page_cache *pc;
795 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
796 pc = usbd_xfer_get_frame(xfer, 0);
798 switch (USB_GET_STATE(xfer)) {
799 case USB_ST_TRANSFERRED:
800 MOS_DPRINTFN("actlen : %d", actlen);
802 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
805 /* evaluate status byte at the end */
806 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
809 if (rxstat != MOS_RXSTS_VALID) {
810 MOS_DPRINTFN("erroneous frame received");
811 if (rxstat & MOS_RXSTS_SHORT_FRAME)
812 MOS_DPRINTFN("frame size less than 64 bytes");
813 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
814 MOS_DPRINTFN("frame size larger than "
817 if (rxstat & MOS_RXSTS_CRC_ERROR)
818 MOS_DPRINTFN("CRC error");
819 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
820 MOS_DPRINTFN("alignment error");
821 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
824 /* Remember the last byte was used for the status fields */
826 if (pktlen < sizeof(struct ether_header)) {
827 MOS_DPRINTFN("error: pktlen %d is smaller "
828 "than ether_header %zd", pktlen,
829 sizeof(struct ether_header));
830 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
833 uether_rxbuf(ue, pc, 0, actlen);
837 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
838 usbd_transfer_submit(xfer);
842 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
843 if (error != USB_ERR_CANCELLED) {
844 usbd_xfer_set_stall(xfer);
847 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
853 * A frame was downloaded to the chip. It's safe for us to clean up
857 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
859 struct mos_softc *sc = usbd_xfer_softc(xfer);
860 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
861 struct usb_page_cache *pc;
866 switch (USB_GET_STATE(xfer)) {
867 case USB_ST_TRANSFERRED:
868 MOS_DPRINTFN("transfer of complete");
869 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
874 * XXX: don't send anything if there is no link?
876 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
880 pc = usbd_xfer_get_frame(xfer, 0);
881 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
883 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
887 * if there's a BPF listener, bounce a copy
888 * of this frame to him:
894 usbd_transfer_submit(xfer);
896 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
899 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
900 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
901 if (error != USB_ERR_CANCELLED) {
902 usbd_xfer_set_stall(xfer);
910 mos_tick(struct usb_ether *ue)
912 struct mos_softc *sc = uether_getsc(ue);
913 struct mii_data *mii = GET_MII(sc);
915 MOS_LOCK_ASSERT(sc, MA_OWNED);
918 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
919 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
920 MOS_DPRINTFN("got link");
928 mos_start(struct usb_ether *ue)
930 struct mos_softc *sc = uether_getsc(ue);
933 * start the USB transfers, if not already started:
935 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
936 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
937 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
941 mos_init(struct usb_ether *ue)
943 struct mos_softc *sc = uether_getsc(ue);
944 struct ifnet *ifp = uether_getifp(ue);
947 MOS_LOCK_ASSERT(sc, MA_OWNED);
949 /* Cancel pending I/O and free all RX/TX buffers. */
952 /* Write MAC address */
953 mos_writemac(sc, IF_LLADDR(ifp));
955 /* Read and set transmitter IPG values */
956 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
957 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
958 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
959 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
962 * Enable receiver and transmitter, bridge controls speed/duplex
965 rxmode = mos_reg_read_1(sc, MOS_CTL);
966 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
967 rxmode &= ~(MOS_CTL_SLEEP);
971 /* XXX: broadcast mode? */
972 mos_reg_write_1(sc, MOS_CTL, rxmode);
974 /* Load the multicast filter. */
977 ifp->if_drv_flags |= IFF_DRV_RUNNING;
983 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
985 struct mos_softc *sc = usbd_xfer_softc(xfer);
986 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
987 struct usb_page_cache *pc;
991 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
993 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
994 MOS_DPRINTFN("actlen %i", actlen);
996 switch (USB_GET_STATE(xfer)) {
997 case USB_ST_TRANSFERRED:
999 pc = usbd_xfer_get_frame(xfer, 0);
1000 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
1006 if (error != USB_ERR_CANCELLED) {
1007 usbd_xfer_set_stall(xfer);
1016 * Stop the adapter and free any mbufs allocated to the
1020 mos_stop(struct usb_ether *ue)
1022 struct mos_softc *sc = uether_getsc(ue);
1023 struct ifnet *ifp = uether_getifp(ue);
1027 MOS_LOCK_ASSERT(sc, MA_OWNED);
1028 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1030 /* stop all the transfers, if not already stopped */
1031 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1032 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1033 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);