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>
124 #include <dev/usb/usb.h>
125 #include <dev/usb/usbdi.h>
126 #include <dev/usb/usbdi_util.h>
129 #define USB_DEBUG_VAR mos_debug
130 #include <dev/usb/usb_debug.h>
131 #include <dev/usb/usb_process.h>
133 #include <dev/usb/net/usb_ethernet.h>
135 //#include <dev/usb/net/if_mosreg.h>
136 #include "if_mosreg.h"
139 static int mos_debug = 0;
141 static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW, 0, "USB mos");
142 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RWTUN, &mos_debug, 0,
146 #define MOS_DPRINTFN(fmt,...) \
147 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
149 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
150 #define USB_PRODUCT_SITECOMEU_LN030 0x0021
154 /* Various supported device vendors/products. */
155 static const STRUCT_USB_HOST_ID mos_devs[] = {
156 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
157 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
158 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)},
159 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
162 static int mos_probe(device_t dev);
163 static int mos_attach(device_t dev);
164 static void mos_attach_post(struct usb_ether *ue);
165 static int mos_detach(device_t dev);
167 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
168 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
169 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
170 static void mos_tick(struct usb_ether *);
171 static void mos_start(struct usb_ether *);
172 static void mos_init(struct usb_ether *);
173 static void mos_chip_init(struct mos_softc *);
174 static void mos_stop(struct usb_ether *);
175 static int mos_miibus_readreg(device_t, int, int);
176 static int mos_miibus_writereg(device_t, int, int, int);
177 static void mos_miibus_statchg(device_t);
178 static int mos_ifmedia_upd(struct ifnet *);
179 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
180 static void mos_reset(struct mos_softc *sc);
182 static int mos_reg_read_1(struct mos_softc *, int);
183 static int mos_reg_read_2(struct mos_softc *, int);
184 static int mos_reg_write_1(struct mos_softc *, int, int);
185 static int mos_reg_write_2(struct mos_softc *, int, int);
186 static int mos_readmac(struct mos_softc *, uint8_t *);
187 static int mos_writemac(struct mos_softc *, uint8_t *);
188 static int mos_write_mcast(struct mos_softc *, u_char *);
190 static void mos_setmulti(struct usb_ether *);
191 static void mos_setpromisc(struct usb_ether *);
193 static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
197 .endpoint = UE_ADDR_ANY,
198 .direction = UE_DIR_OUT,
199 .bufsize = (MCLBYTES + 2),
200 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
201 .callback = mos_bulk_write_callback,
207 .endpoint = UE_ADDR_ANY,
208 .direction = UE_DIR_IN,
209 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
210 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
211 .callback = mos_bulk_read_callback,
215 .type = UE_INTERRUPT,
216 .endpoint = UE_ADDR_ANY,
217 .direction = UE_DIR_IN,
218 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
220 .callback = mos_intr_callback,
224 static device_method_t mos_methods[] = {
225 /* Device interface */
226 DEVMETHOD(device_probe, mos_probe),
227 DEVMETHOD(device_attach, mos_attach),
228 DEVMETHOD(device_detach, mos_detach),
231 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
232 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
233 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
238 static driver_t mos_driver = {
240 .methods = mos_methods,
241 .size = sizeof(struct mos_softc)
244 static devclass_t mos_devclass;
246 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
247 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
248 MODULE_DEPEND(mos, uether, 1, 1, 1);
249 MODULE_DEPEND(mos, usb, 1, 1, 1);
250 MODULE_DEPEND(mos, ether, 1, 1, 1);
251 MODULE_DEPEND(mos, miibus, 1, 1, 1);
252 USB_PNP_HOST_INFO(mos_devs);
254 static const struct usb_ether_methods mos_ue_methods = {
255 .ue_attach_post = mos_attach_post,
256 .ue_start = mos_start,
260 .ue_setmulti = mos_setmulti,
261 .ue_setpromisc = mos_setpromisc,
262 .ue_mii_upd = mos_ifmedia_upd,
263 .ue_mii_sts = mos_ifmedia_sts,
268 mos_reg_read_1(struct mos_softc *sc, int reg)
270 struct usb_device_request req;
274 req.bmRequestType = UT_READ_VENDOR_DEVICE;
275 req.bRequest = MOS_UR_READREG;
276 USETW(req.wValue, 0);
277 USETW(req.wIndex, reg);
278 USETW(req.wLength, 1);
280 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
283 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
290 mos_reg_read_2(struct mos_softc *sc, int reg)
292 struct usb_device_request req;
298 req.bmRequestType = UT_READ_VENDOR_DEVICE;
299 req.bRequest = MOS_UR_READREG;
300 USETW(req.wValue, 0);
301 USETW(req.wIndex, reg);
302 USETW(req.wLength, 2);
304 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
307 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
314 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
316 struct usb_device_request req;
321 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
322 req.bRequest = MOS_UR_WRITEREG;
323 USETW(req.wValue, 0);
324 USETW(req.wIndex, reg);
325 USETW(req.wLength, 1);
327 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
330 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
337 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
339 struct usb_device_request req;
345 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
346 req.bRequest = MOS_UR_WRITEREG;
347 USETW(req.wValue, 0);
348 USETW(req.wIndex, reg);
349 USETW(req.wLength, 2);
351 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
354 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
361 mos_readmac(struct mos_softc *sc, u_char *mac)
363 struct usb_device_request req;
366 req.bmRequestType = UT_READ_VENDOR_DEVICE;
367 req.bRequest = MOS_UR_READREG;
368 USETW(req.wValue, 0);
369 USETW(req.wIndex, MOS_MAC);
370 USETW(req.wLength, ETHER_ADDR_LEN);
372 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
381 mos_writemac(struct mos_softc *sc, uint8_t *mac)
383 struct usb_device_request req;
386 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
387 req.bRequest = MOS_UR_WRITEREG;
388 USETW(req.wValue, 0);
389 USETW(req.wIndex, MOS_MAC);
390 USETW(req.wLength, ETHER_ADDR_LEN);
392 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
395 MOS_DPRINTFN("mos_writemac error");
402 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
404 struct usb_device_request req;
407 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
408 req.bRequest = MOS_UR_WRITEREG;
409 USETW(req.wValue, 0);
410 USETW(req.wIndex, MOS_MCAST_TABLE);
411 USETW(req.wLength, 8);
413 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
416 MOS_DPRINTFN("mos_reg_mcast error");
423 mos_miibus_readreg(device_t dev, int phy, int reg)
425 struct mos_softc *sc = device_get_softc(dev);
431 locked = mtx_owned(&sc->sc_mtx);
435 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
436 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
438 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
441 for (i = 0; i < MOS_TIMEOUT; i++) {
442 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
445 if (i == MOS_TIMEOUT) {
446 MOS_DPRINTFN("MII read timeout");
448 res = mos_reg_read_2(sc, MOS_PHY_DATA);
456 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
458 struct mos_softc *sc = device_get_softc(dev);
461 locked = mtx_owned(&sc->sc_mtx);
465 mos_reg_write_2(sc, MOS_PHY_DATA, val);
466 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
468 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
471 for (i = 0; i < MOS_TIMEOUT; i++) {
472 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
475 if (i == MOS_TIMEOUT)
476 MOS_DPRINTFN("MII write timeout");
484 mos_miibus_statchg(device_t dev)
486 struct mos_softc *sc = device_get_softc(dev);
487 struct mii_data *mii = GET_MII(sc);
488 int val, err, locked;
490 locked = mtx_owned(&sc->sc_mtx);
494 /* disable RX, TX prior to changing FDX, SPEEDSEL */
495 val = mos_reg_read_1(sc, MOS_CTL);
496 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
497 mos_reg_write_1(sc, MOS_CTL, val);
499 /* reset register which counts dropped frames */
500 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
502 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
503 val |= MOS_CTL_FDX_ENB;
505 val &= ~(MOS_CTL_FDX_ENB);
507 switch (IFM_SUBTYPE(mii->mii_media_active)) {
509 val |= MOS_CTL_SPEEDSEL;
512 val &= ~(MOS_CTL_SPEEDSEL);
516 /* re-enable TX, RX */
517 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
518 err = mos_reg_write_1(sc, MOS_CTL, val);
521 MOS_DPRINTFN("media change failed");
531 mos_ifmedia_upd(struct ifnet *ifp)
533 struct mos_softc *sc = ifp->if_softc;
534 struct mii_data *mii = GET_MII(sc);
535 struct mii_softc *miisc;
538 MOS_LOCK_ASSERT(sc, MA_OWNED);
541 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
543 error = mii_mediachg(mii);
548 * Report current media status.
551 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
553 struct mos_softc *sc = ifp->if_softc;
554 struct mii_data *mii = GET_MII(sc);
559 ifmr->ifm_active = mii->mii_media_active;
560 ifmr->ifm_status = mii->mii_media_status;
565 mos_setpromisc(struct usb_ether *ue)
567 struct mos_softc *sc = uether_getsc(ue);
568 struct ifnet *ifp = uether_getifp(ue);
572 MOS_LOCK_ASSERT(sc, MA_OWNED);
574 rxmode = mos_reg_read_1(sc, MOS_CTL);
576 /* If we want promiscuous mode, set the allframes bit. */
577 if (ifp->if_flags & IFF_PROMISC) {
578 rxmode |= MOS_CTL_RX_PROMISC;
580 rxmode &= ~MOS_CTL_RX_PROMISC;
583 mos_reg_write_1(sc, MOS_CTL, rxmode);
589 mos_setmulti(struct usb_ether *ue)
591 struct mos_softc *sc = uether_getsc(ue);
592 struct ifnet *ifp = uether_getifp(ue);
593 struct ifmultiaddr *ifma;
597 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
600 MOS_LOCK_ASSERT(sc, MA_OWNED);
602 rxmode = mos_reg_read_1(sc, MOS_CTL);
604 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
607 /* get all new ones */
609 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
610 if (ifma->ifma_addr->sa_family != AF_LINK) {
614 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
615 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
616 hashtbl[h / 8] |= 1 << (h % 8);
618 if_maddr_runlock(ifp);
620 /* now program new ones */
622 rxmode |= MOS_CTL_ALLMULTI;
623 mos_reg_write_1(sc, MOS_CTL, rxmode);
625 rxmode &= ~MOS_CTL_ALLMULTI;
626 mos_write_mcast(sc, (void *)&hashtbl);
627 mos_reg_write_1(sc, MOS_CTL, rxmode);
632 mos_reset(struct mos_softc *sc)
636 ctl = mos_reg_read_1(sc, MOS_CTL);
637 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
639 /* Disable RX, TX, promiscuous and allmulticast mode */
640 mos_reg_write_1(sc, MOS_CTL, ctl);
642 /* Reset frame drop counter register to zero */
643 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
645 /* Wait a little while for the chip to get its brains in order. */
646 usb_pause_mtx(&sc->sc_mtx, hz / 128);
651 mos_chip_init(struct mos_softc *sc)
656 * Rev.C devices have a pause threshold register which needs to be set
659 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
660 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
661 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
663 sc->mos_phyaddrs[0] = 1;
664 sc->mos_phyaddrs[1] = 0xFF;
668 * Probe for a MCS7x30 chip.
671 mos_probe(device_t dev)
673 struct usb_attach_arg *uaa = device_get_ivars(dev);
676 if (uaa->usb_mode != USB_MODE_HOST)
678 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
680 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
683 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
688 * Attach the interface. Allocate softc structures, do ifmedia
689 * setup and ethernet/BPF attach.
692 mos_attach(device_t dev)
694 struct usb_attach_arg *uaa = device_get_ivars(dev);
695 struct mos_softc *sc = device_get_softc(dev);
696 struct usb_ether *ue = &sc->sc_ue;
700 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
702 device_set_usb_desc(dev);
703 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
705 iface_index = MOS_IFACE_IDX;
706 error = usbd_transfer_setup(uaa->device, &iface_index,
707 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
711 device_printf(dev, "allocating USB transfers failed\n");
716 ue->ue_udev = uaa->device;
717 ue->ue_mtx = &sc->sc_mtx;
718 ue->ue_methods = &mos_ue_methods;
721 if (sc->mos_flags & MCS7730) {
722 MOS_DPRINTFN("model: MCS7730");
723 } else if (sc->mos_flags & MCS7830) {
724 MOS_DPRINTFN("model: MCS7830");
725 } else if (sc->mos_flags & MCS7832) {
726 MOS_DPRINTFN("model: MCS7832");
728 error = uether_ifattach(ue);
730 device_printf(dev, "could not attach interface\n");
743 mos_attach_post(struct usb_ether *ue)
745 struct mos_softc *sc = uether_getsc(ue);
748 /* Read MAC address, inform the world. */
749 err = mos_readmac(sc, ue->ue_eaddr);
752 MOS_DPRINTFN("couldn't get MAC address");
754 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
760 mos_detach(device_t dev)
762 struct mos_softc *sc = device_get_softc(dev);
763 struct usb_ether *ue = &sc->sc_ue;
765 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
767 mtx_destroy(&sc->sc_mtx);
776 * A frame has been uploaded: pass the resulting mbuf chain up to
777 * the higher level protocols.
780 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
782 struct mos_softc *sc = usbd_xfer_softc(xfer);
783 struct usb_ether *ue = &sc->sc_ue;
784 struct ifnet *ifp = uether_getifp(ue);
789 struct usb_page_cache *pc;
791 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
792 pc = usbd_xfer_get_frame(xfer, 0);
794 switch (USB_GET_STATE(xfer)) {
795 case USB_ST_TRANSFERRED:
796 MOS_DPRINTFN("actlen : %d", actlen);
798 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
801 /* evaluate status byte at the end */
802 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
805 if (rxstat != MOS_RXSTS_VALID) {
806 MOS_DPRINTFN("erroneous frame received");
807 if (rxstat & MOS_RXSTS_SHORT_FRAME)
808 MOS_DPRINTFN("frame size less than 64 bytes");
809 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
810 MOS_DPRINTFN("frame size larger than "
813 if (rxstat & MOS_RXSTS_CRC_ERROR)
814 MOS_DPRINTFN("CRC error");
815 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
816 MOS_DPRINTFN("alignment error");
817 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
820 /* Remember the last byte was used for the status fields */
822 if (pktlen < sizeof(struct ether_header)) {
823 MOS_DPRINTFN("error: pktlen %d is smaller "
824 "than ether_header %zd", pktlen,
825 sizeof(struct ether_header));
826 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
829 uether_rxbuf(ue, pc, 0, actlen);
833 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
834 usbd_transfer_submit(xfer);
838 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
839 if (error != USB_ERR_CANCELLED) {
840 usbd_xfer_set_stall(xfer);
843 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
849 * A frame was downloaded to the chip. It's safe for us to clean up
853 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
855 struct mos_softc *sc = usbd_xfer_softc(xfer);
856 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
857 struct usb_page_cache *pc;
862 switch (USB_GET_STATE(xfer)) {
863 case USB_ST_TRANSFERRED:
864 MOS_DPRINTFN("transfer of complete");
865 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
870 * XXX: don't send anything if there is no link?
872 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
876 pc = usbd_xfer_get_frame(xfer, 0);
877 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
879 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
883 * if there's a BPF listener, bounce a copy
884 * of this frame to him:
890 usbd_transfer_submit(xfer);
892 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
895 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
896 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
897 if (error != USB_ERR_CANCELLED) {
898 usbd_xfer_set_stall(xfer);
906 mos_tick(struct usb_ether *ue)
908 struct mos_softc *sc = uether_getsc(ue);
909 struct mii_data *mii = GET_MII(sc);
911 MOS_LOCK_ASSERT(sc, MA_OWNED);
914 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
915 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
916 MOS_DPRINTFN("got link");
924 mos_start(struct usb_ether *ue)
926 struct mos_softc *sc = uether_getsc(ue);
929 * start the USB transfers, if not already started:
931 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
932 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
933 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
937 mos_init(struct usb_ether *ue)
939 struct mos_softc *sc = uether_getsc(ue);
940 struct ifnet *ifp = uether_getifp(ue);
943 MOS_LOCK_ASSERT(sc, MA_OWNED);
945 /* Cancel pending I/O and free all RX/TX buffers. */
948 /* Write MAC address */
949 mos_writemac(sc, IF_LLADDR(ifp));
951 /* Read and set transmitter IPG values */
952 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
953 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
954 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
955 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
958 * Enable receiver and transmitter, bridge controls speed/duplex
961 rxmode = mos_reg_read_1(sc, MOS_CTL);
962 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
963 rxmode &= ~(MOS_CTL_SLEEP);
967 /* XXX: broadcast mode? */
968 mos_reg_write_1(sc, MOS_CTL, rxmode);
970 /* Load the multicast filter. */
973 ifp->if_drv_flags |= IFF_DRV_RUNNING;
979 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
981 struct mos_softc *sc = usbd_xfer_softc(xfer);
982 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
983 struct usb_page_cache *pc;
987 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
989 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
990 MOS_DPRINTFN("actlen %i", actlen);
992 switch (USB_GET_STATE(xfer)) {
993 case USB_ST_TRANSFERRED:
995 pc = usbd_xfer_get_frame(xfer, 0);
996 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
1002 if (error != USB_ERR_CANCELLED) {
1003 usbd_xfer_set_stall(xfer);
1012 * Stop the adapter and free any mbufs allocated to the
1016 mos_stop(struct usb_ether *ue)
1018 struct mos_softc *sc = uether_getsc(ue);
1019 struct ifnet *ifp = uether_getifp(ue);
1023 MOS_LOCK_ASSERT(sc, MA_OWNED);
1024 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1026 /* stop all the transfers, if not already stopped */
1027 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1028 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1029 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);