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, 0, "USB mos");
148 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RWTUN, &mos_debug, 0,
152 #define MOS_DPRINTFN(fmt,...) \
153 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
155 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
156 #define USB_PRODUCT_SITECOMEU_LN030 0x0021
160 /* Various supported device vendors/products. */
161 static const STRUCT_USB_HOST_ID mos_devs[] = {
162 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
163 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
164 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)},
165 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
168 static int mos_probe(device_t dev);
169 static int mos_attach(device_t dev);
170 static void mos_attach_post(struct usb_ether *ue);
171 static int mos_detach(device_t dev);
173 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
174 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
175 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
176 static void mos_tick(struct usb_ether *);
177 static void mos_start(struct usb_ether *);
178 static void mos_init(struct usb_ether *);
179 static void mos_chip_init(struct mos_softc *);
180 static void mos_stop(struct usb_ether *);
181 static int mos_miibus_readreg(device_t, int, int);
182 static int mos_miibus_writereg(device_t, int, int, int);
183 static void mos_miibus_statchg(device_t);
184 static int mos_ifmedia_upd(struct ifnet *);
185 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
186 static void mos_reset(struct mos_softc *sc);
188 static int mos_reg_read_1(struct mos_softc *, int);
189 static int mos_reg_read_2(struct mos_softc *, int);
190 static int mos_reg_write_1(struct mos_softc *, int, int);
191 static int mos_reg_write_2(struct mos_softc *, int, int);
192 static int mos_readmac(struct mos_softc *, uint8_t *);
193 static int mos_writemac(struct mos_softc *, uint8_t *);
194 static int mos_write_mcast(struct mos_softc *, u_char *);
196 static void mos_setmulti(struct usb_ether *);
197 static void mos_setpromisc(struct usb_ether *);
199 static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
203 .endpoint = UE_ADDR_ANY,
204 .direction = UE_DIR_OUT,
205 .bufsize = (MCLBYTES + 2),
206 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
207 .callback = mos_bulk_write_callback,
213 .endpoint = UE_ADDR_ANY,
214 .direction = UE_DIR_IN,
215 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
216 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
217 .callback = mos_bulk_read_callback,
221 .type = UE_INTERRUPT,
222 .endpoint = UE_ADDR_ANY,
223 .direction = UE_DIR_IN,
224 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
226 .callback = mos_intr_callback,
230 static device_method_t mos_methods[] = {
231 /* Device interface */
232 DEVMETHOD(device_probe, mos_probe),
233 DEVMETHOD(device_attach, mos_attach),
234 DEVMETHOD(device_detach, mos_detach),
237 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
238 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
239 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
244 static driver_t mos_driver = {
246 .methods = mos_methods,
247 .size = sizeof(struct mos_softc)
250 static devclass_t mos_devclass;
252 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
253 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
254 MODULE_DEPEND(mos, uether, 1, 1, 1);
255 MODULE_DEPEND(mos, usb, 1, 1, 1);
256 MODULE_DEPEND(mos, ether, 1, 1, 1);
257 MODULE_DEPEND(mos, miibus, 1, 1, 1);
258 USB_PNP_HOST_INFO(mos_devs);
260 static const struct usb_ether_methods mos_ue_methods = {
261 .ue_attach_post = mos_attach_post,
262 .ue_start = mos_start,
266 .ue_setmulti = mos_setmulti,
267 .ue_setpromisc = mos_setpromisc,
268 .ue_mii_upd = mos_ifmedia_upd,
269 .ue_mii_sts = mos_ifmedia_sts,
274 mos_reg_read_1(struct mos_softc *sc, int reg)
276 struct usb_device_request req;
280 req.bmRequestType = UT_READ_VENDOR_DEVICE;
281 req.bRequest = MOS_UR_READREG;
282 USETW(req.wValue, 0);
283 USETW(req.wIndex, reg);
284 USETW(req.wLength, 1);
286 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
289 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
296 mos_reg_read_2(struct mos_softc *sc, int reg)
298 struct usb_device_request req;
304 req.bmRequestType = UT_READ_VENDOR_DEVICE;
305 req.bRequest = MOS_UR_READREG;
306 USETW(req.wValue, 0);
307 USETW(req.wIndex, reg);
308 USETW(req.wLength, 2);
310 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
313 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
320 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
322 struct usb_device_request req;
327 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
328 req.bRequest = MOS_UR_WRITEREG;
329 USETW(req.wValue, 0);
330 USETW(req.wIndex, reg);
331 USETW(req.wLength, 1);
333 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
336 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
343 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
345 struct usb_device_request req;
351 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
352 req.bRequest = MOS_UR_WRITEREG;
353 USETW(req.wValue, 0);
354 USETW(req.wIndex, reg);
355 USETW(req.wLength, 2);
357 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
360 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
367 mos_readmac(struct mos_softc *sc, u_char *mac)
369 struct usb_device_request req;
372 req.bmRequestType = UT_READ_VENDOR_DEVICE;
373 req.bRequest = MOS_UR_READREG;
374 USETW(req.wValue, 0);
375 USETW(req.wIndex, MOS_MAC);
376 USETW(req.wLength, ETHER_ADDR_LEN);
378 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
387 mos_writemac(struct mos_softc *sc, uint8_t *mac)
389 struct usb_device_request req;
392 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
393 req.bRequest = MOS_UR_WRITEREG;
394 USETW(req.wValue, 0);
395 USETW(req.wIndex, MOS_MAC);
396 USETW(req.wLength, ETHER_ADDR_LEN);
398 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
401 MOS_DPRINTFN("mos_writemac error");
408 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
410 struct usb_device_request req;
413 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
414 req.bRequest = MOS_UR_WRITEREG;
415 USETW(req.wValue, 0);
416 USETW(req.wIndex, MOS_MCAST_TABLE);
417 USETW(req.wLength, 8);
419 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
422 MOS_DPRINTFN("mos_reg_mcast error");
429 mos_miibus_readreg(device_t dev, int phy, int reg)
431 struct mos_softc *sc = device_get_softc(dev);
437 locked = mtx_owned(&sc->sc_mtx);
441 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
442 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
444 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
447 for (i = 0; i < MOS_TIMEOUT; i++) {
448 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
451 if (i == MOS_TIMEOUT) {
452 MOS_DPRINTFN("MII read timeout");
454 res = mos_reg_read_2(sc, MOS_PHY_DATA);
462 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
464 struct mos_softc *sc = device_get_softc(dev);
467 locked = mtx_owned(&sc->sc_mtx);
471 mos_reg_write_2(sc, MOS_PHY_DATA, val);
472 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
474 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
477 for (i = 0; i < MOS_TIMEOUT; i++) {
478 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
481 if (i == MOS_TIMEOUT)
482 MOS_DPRINTFN("MII write timeout");
490 mos_miibus_statchg(device_t dev)
492 struct mos_softc *sc = device_get_softc(dev);
493 struct mii_data *mii = GET_MII(sc);
494 int val, err, locked;
496 locked = mtx_owned(&sc->sc_mtx);
500 /* disable RX, TX prior to changing FDX, SPEEDSEL */
501 val = mos_reg_read_1(sc, MOS_CTL);
502 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
503 mos_reg_write_1(sc, MOS_CTL, val);
505 /* reset register which counts dropped frames */
506 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
508 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
509 val |= MOS_CTL_FDX_ENB;
511 val &= ~(MOS_CTL_FDX_ENB);
513 switch (IFM_SUBTYPE(mii->mii_media_active)) {
515 val |= MOS_CTL_SPEEDSEL;
518 val &= ~(MOS_CTL_SPEEDSEL);
522 /* re-enable TX, RX */
523 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
524 err = mos_reg_write_1(sc, MOS_CTL, val);
527 MOS_DPRINTFN("media change failed");
537 mos_ifmedia_upd(struct ifnet *ifp)
539 struct mos_softc *sc = ifp->if_softc;
540 struct mii_data *mii = GET_MII(sc);
541 struct mii_softc *miisc;
544 MOS_LOCK_ASSERT(sc, MA_OWNED);
547 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
549 error = mii_mediachg(mii);
554 * Report current media status.
557 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
559 struct mos_softc *sc = ifp->if_softc;
560 struct mii_data *mii = GET_MII(sc);
565 ifmr->ifm_active = mii->mii_media_active;
566 ifmr->ifm_status = mii->mii_media_status;
571 mos_setpromisc(struct usb_ether *ue)
573 struct mos_softc *sc = uether_getsc(ue);
574 struct ifnet *ifp = uether_getifp(ue);
578 MOS_LOCK_ASSERT(sc, MA_OWNED);
580 rxmode = mos_reg_read_1(sc, MOS_CTL);
582 /* If we want promiscuous mode, set the allframes bit. */
583 if (ifp->if_flags & IFF_PROMISC) {
584 rxmode |= MOS_CTL_RX_PROMISC;
586 rxmode &= ~MOS_CTL_RX_PROMISC;
589 mos_reg_write_1(sc, MOS_CTL, rxmode);
593 mos_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
595 uint8_t *hashtbl = arg;
598 h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 26;
599 hashtbl[h / 8] |= 1 << (h % 8);
605 mos_setmulti(struct usb_ether *ue)
607 struct mos_softc *sc = uether_getsc(ue);
608 struct ifnet *ifp = uether_getifp(ue);
610 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
613 MOS_LOCK_ASSERT(sc, MA_OWNED);
615 rxmode = mos_reg_read_1(sc, MOS_CTL);
617 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
620 /* get all new ones */
621 if_foreach_llmaddr(ifp, mos_hash_maddr, &hashtbl);
623 /* now program new ones */
625 rxmode |= MOS_CTL_ALLMULTI;
626 mos_reg_write_1(sc, MOS_CTL, rxmode);
628 rxmode &= ~MOS_CTL_ALLMULTI;
629 mos_write_mcast(sc, (void *)&hashtbl);
630 mos_reg_write_1(sc, MOS_CTL, rxmode);
635 mos_reset(struct mos_softc *sc)
639 ctl = mos_reg_read_1(sc, MOS_CTL);
640 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
642 /* Disable RX, TX, promiscuous and allmulticast mode */
643 mos_reg_write_1(sc, MOS_CTL, ctl);
645 /* Reset frame drop counter register to zero */
646 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
648 /* Wait a little while for the chip to get its brains in order. */
649 usb_pause_mtx(&sc->sc_mtx, hz / 128);
654 mos_chip_init(struct mos_softc *sc)
659 * Rev.C devices have a pause threshold register which needs to be set
662 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
663 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
664 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
666 sc->mos_phyaddrs[0] = 1;
667 sc->mos_phyaddrs[1] = 0xFF;
671 * Probe for a MCS7x30 chip.
674 mos_probe(device_t dev)
676 struct usb_attach_arg *uaa = device_get_ivars(dev);
679 if (uaa->usb_mode != USB_MODE_HOST)
681 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
683 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
686 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
691 * Attach the interface. Allocate softc structures, do ifmedia
692 * setup and ethernet/BPF attach.
695 mos_attach(device_t dev)
697 struct usb_attach_arg *uaa = device_get_ivars(dev);
698 struct mos_softc *sc = device_get_softc(dev);
699 struct usb_ether *ue = &sc->sc_ue;
703 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
705 device_set_usb_desc(dev);
706 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
708 iface_index = MOS_IFACE_IDX;
709 error = usbd_transfer_setup(uaa->device, &iface_index,
710 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
714 device_printf(dev, "allocating USB transfers failed\n");
719 ue->ue_udev = uaa->device;
720 ue->ue_mtx = &sc->sc_mtx;
721 ue->ue_methods = &mos_ue_methods;
724 if (sc->mos_flags & MCS7730) {
725 MOS_DPRINTFN("model: MCS7730");
726 } else if (sc->mos_flags & MCS7830) {
727 MOS_DPRINTFN("model: MCS7830");
728 } else if (sc->mos_flags & MCS7832) {
729 MOS_DPRINTFN("model: MCS7832");
731 error = uether_ifattach(ue);
733 device_printf(dev, "could not attach interface\n");
746 mos_attach_post(struct usb_ether *ue)
748 struct mos_softc *sc = uether_getsc(ue);
751 /* Read MAC address, inform the world. */
752 err = mos_readmac(sc, ue->ue_eaddr);
755 MOS_DPRINTFN("couldn't get MAC address");
757 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
763 mos_detach(device_t dev)
765 struct mos_softc *sc = device_get_softc(dev);
766 struct usb_ether *ue = &sc->sc_ue;
768 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
770 mtx_destroy(&sc->sc_mtx);
779 * A frame has been uploaded: pass the resulting mbuf chain up to
780 * the higher level protocols.
783 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
785 struct mos_softc *sc = usbd_xfer_softc(xfer);
786 struct usb_ether *ue = &sc->sc_ue;
787 struct ifnet *ifp = uether_getifp(ue);
792 struct usb_page_cache *pc;
794 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
795 pc = usbd_xfer_get_frame(xfer, 0);
797 switch (USB_GET_STATE(xfer)) {
798 case USB_ST_TRANSFERRED:
799 MOS_DPRINTFN("actlen : %d", actlen);
801 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
804 /* evaluate status byte at the end */
805 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
808 if (rxstat != MOS_RXSTS_VALID) {
809 MOS_DPRINTFN("erroneous frame received");
810 if (rxstat & MOS_RXSTS_SHORT_FRAME)
811 MOS_DPRINTFN("frame size less than 64 bytes");
812 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
813 MOS_DPRINTFN("frame size larger than "
816 if (rxstat & MOS_RXSTS_CRC_ERROR)
817 MOS_DPRINTFN("CRC error");
818 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
819 MOS_DPRINTFN("alignment error");
820 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
823 /* Remember the last byte was used for the status fields */
825 if (pktlen < sizeof(struct ether_header)) {
826 MOS_DPRINTFN("error: pktlen %d is smaller "
827 "than ether_header %zd", pktlen,
828 sizeof(struct ether_header));
829 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
832 uether_rxbuf(ue, pc, 0, actlen);
836 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
837 usbd_transfer_submit(xfer);
841 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
842 if (error != USB_ERR_CANCELLED) {
843 usbd_xfer_set_stall(xfer);
846 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
852 * A frame was downloaded to the chip. It's safe for us to clean up
856 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
858 struct mos_softc *sc = usbd_xfer_softc(xfer);
859 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
860 struct usb_page_cache *pc;
865 switch (USB_GET_STATE(xfer)) {
866 case USB_ST_TRANSFERRED:
867 MOS_DPRINTFN("transfer of complete");
868 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
873 * XXX: don't send anything if there is no link?
875 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
879 pc = usbd_xfer_get_frame(xfer, 0);
880 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
882 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
886 * if there's a BPF listener, bounce a copy
887 * of this frame to him:
893 usbd_transfer_submit(xfer);
895 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
898 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
899 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
900 if (error != USB_ERR_CANCELLED) {
901 usbd_xfer_set_stall(xfer);
909 mos_tick(struct usb_ether *ue)
911 struct mos_softc *sc = uether_getsc(ue);
912 struct mii_data *mii = GET_MII(sc);
914 MOS_LOCK_ASSERT(sc, MA_OWNED);
917 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
918 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
919 MOS_DPRINTFN("got link");
927 mos_start(struct usb_ether *ue)
929 struct mos_softc *sc = uether_getsc(ue);
932 * start the USB transfers, if not already started:
934 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
935 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
936 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
940 mos_init(struct usb_ether *ue)
942 struct mos_softc *sc = uether_getsc(ue);
943 struct ifnet *ifp = uether_getifp(ue);
946 MOS_LOCK_ASSERT(sc, MA_OWNED);
948 /* Cancel pending I/O and free all RX/TX buffers. */
951 /* Write MAC address */
952 mos_writemac(sc, IF_LLADDR(ifp));
954 /* Read and set transmitter IPG values */
955 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
956 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
957 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
958 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
961 * Enable receiver and transmitter, bridge controls speed/duplex
964 rxmode = mos_reg_read_1(sc, MOS_CTL);
965 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
966 rxmode &= ~(MOS_CTL_SLEEP);
970 /* XXX: broadcast mode? */
971 mos_reg_write_1(sc, MOS_CTL, rxmode);
973 /* Load the multicast filter. */
976 ifp->if_drv_flags |= IFF_DRV_RUNNING;
982 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
984 struct mos_softc *sc = usbd_xfer_softc(xfer);
985 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
986 struct usb_page_cache *pc;
990 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
992 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
993 MOS_DPRINTFN("actlen %i", actlen);
995 switch (USB_GET_STATE(xfer)) {
996 case USB_ST_TRANSFERRED:
998 pc = usbd_xfer_get_frame(xfer, 0);
999 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
1005 if (error != USB_ERR_CANCELLED) {
1006 usbd_xfer_set_stall(xfer);
1015 * Stop the adapter and free any mbufs allocated to the
1019 mos_stop(struct usb_ether *ue)
1021 struct mos_softc *sc = uether_getsc(ue);
1022 struct ifnet *ifp = uether_getifp(ue);
1026 MOS_LOCK_ASSERT(sc, MA_OWNED);
1027 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1029 /* stop all the transfers, if not already stopped */
1030 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1031 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1032 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);