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/MCS7832 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/socket.h>
106 #include <sys/kernel.h>
108 #include <sys/module.h>
109 #include <sys/lock.h>
110 #include <sys/mutex.h>
111 #include <sys/condvar.h>
112 #include <sys/sysctl.h>
114 #include <sys/unistd.h>
115 #include <sys/callout.h>
116 #include <sys/malloc.h>
117 #include <sys/priv.h>
120 #include <net/if_var.h>
122 #include <dev/usb/usb.h>
123 #include <dev/usb/usbdi.h>
124 #include <dev/usb/usbdi_util.h>
127 #define USB_DEBUG_VAR mos_debug
128 #include <dev/usb/usb_debug.h>
129 #include <dev/usb/usb_process.h>
131 #include <dev/usb/net/usb_ethernet.h>
133 //#include <dev/usb/net/if_mosreg.h>
134 #include "if_mosreg.h"
137 static int mos_debug = 0;
139 static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW, 0, "USB mos");
140 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RW, &mos_debug, 0,
144 #define MOS_DPRINTFN(fmt,...) \
145 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
147 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
148 #define USB_PRODUCT_SITECOMEU_LN030 0x0021
152 /* Various supported device vendors/products. */
153 static const STRUCT_USB_HOST_ID mos_devs[] = {
154 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
155 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
156 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)},
157 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
160 static int mos_probe(device_t dev);
161 static int mos_attach(device_t dev);
162 static void mos_attach_post(struct usb_ether *ue);
163 static int mos_detach(device_t dev);
165 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
166 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
167 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
168 static void mos_tick(struct usb_ether *);
169 static void mos_start(struct usb_ether *);
170 static void mos_init(struct usb_ether *);
171 static void mos_chip_init(struct mos_softc *);
172 static void mos_stop(struct usb_ether *);
173 static int mos_miibus_readreg(device_t, int, int);
174 static int mos_miibus_writereg(device_t, int, int, int);
175 static void mos_miibus_statchg(device_t);
176 static int mos_ifmedia_upd(struct ifnet *);
177 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
178 static void mos_reset(struct mos_softc *sc);
180 static int mos_reg_read_1(struct mos_softc *, int);
181 static int mos_reg_read_2(struct mos_softc *, int);
182 static int mos_reg_write_1(struct mos_softc *, int, int);
183 static int mos_reg_write_2(struct mos_softc *, int, int);
184 static int mos_readmac(struct mos_softc *, uint8_t *);
185 static int mos_writemac(struct mos_softc *, uint8_t *);
186 static int mos_write_mcast(struct mos_softc *, u_char *);
188 static void mos_setmulti(struct usb_ether *);
189 static void mos_setpromisc(struct usb_ether *);
191 static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
195 .endpoint = UE_ADDR_ANY,
196 .direction = UE_DIR_OUT,
197 .bufsize = (MCLBYTES + 2),
198 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
199 .callback = mos_bulk_write_callback,
205 .endpoint = UE_ADDR_ANY,
206 .direction = UE_DIR_IN,
207 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
208 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
209 .callback = mos_bulk_read_callback,
213 .type = UE_INTERRUPT,
214 .endpoint = UE_ADDR_ANY,
215 .direction = UE_DIR_IN,
216 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
218 .callback = mos_intr_callback,
222 static device_method_t mos_methods[] = {
223 /* Device interface */
224 DEVMETHOD(device_probe, mos_probe),
225 DEVMETHOD(device_attach, mos_attach),
226 DEVMETHOD(device_detach, mos_detach),
229 DEVMETHOD(miibus_readreg, mos_miibus_readreg),
230 DEVMETHOD(miibus_writereg, mos_miibus_writereg),
231 DEVMETHOD(miibus_statchg, mos_miibus_statchg),
236 static driver_t mos_driver = {
238 .methods = mos_methods,
239 .size = sizeof(struct mos_softc)
242 static devclass_t mos_devclass;
244 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
245 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
246 MODULE_DEPEND(mos, uether, 1, 1, 1);
247 MODULE_DEPEND(mos, usb, 1, 1, 1);
248 MODULE_DEPEND(mos, ether, 1, 1, 1);
249 MODULE_DEPEND(mos, miibus, 1, 1, 1);
251 static const struct usb_ether_methods mos_ue_methods = {
252 .ue_attach_post = mos_attach_post,
253 .ue_start = mos_start,
257 .ue_setmulti = mos_setmulti,
258 .ue_setpromisc = mos_setpromisc,
259 .ue_mii_upd = mos_ifmedia_upd,
260 .ue_mii_sts = mos_ifmedia_sts,
265 mos_reg_read_1(struct mos_softc *sc, int reg)
267 struct usb_device_request req;
271 req.bmRequestType = UT_READ_VENDOR_DEVICE;
272 req.bRequest = MOS_UR_READREG;
273 USETW(req.wValue, 0);
274 USETW(req.wIndex, reg);
275 USETW(req.wLength, 1);
277 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
280 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
287 mos_reg_read_2(struct mos_softc *sc, int reg)
289 struct usb_device_request req;
295 req.bmRequestType = UT_READ_VENDOR_DEVICE;
296 req.bRequest = MOS_UR_READREG;
297 USETW(req.wValue, 0);
298 USETW(req.wIndex, reg);
299 USETW(req.wLength, 2);
301 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
304 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
311 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
313 struct usb_device_request req;
318 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
319 req.bRequest = MOS_UR_WRITEREG;
320 USETW(req.wValue, 0);
321 USETW(req.wIndex, reg);
322 USETW(req.wLength, 1);
324 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
327 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
334 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
336 struct usb_device_request req;
342 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
343 req.bRequest = MOS_UR_WRITEREG;
344 USETW(req.wValue, 0);
345 USETW(req.wIndex, reg);
346 USETW(req.wLength, 2);
348 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
351 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
358 mos_readmac(struct mos_softc *sc, u_char *mac)
360 struct usb_device_request req;
363 req.bmRequestType = UT_READ_VENDOR_DEVICE;
364 req.bRequest = MOS_UR_READREG;
365 USETW(req.wValue, 0);
366 USETW(req.wIndex, MOS_MAC);
367 USETW(req.wLength, ETHER_ADDR_LEN);
369 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
378 mos_writemac(struct mos_softc *sc, uint8_t *mac)
380 struct usb_device_request req;
383 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
384 req.bRequest = MOS_UR_WRITEREG;
385 USETW(req.wValue, 0);
386 USETW(req.wIndex, MOS_MAC);
387 USETW(req.wLength, ETHER_ADDR_LEN);
389 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
392 MOS_DPRINTFN("mos_writemac error");
399 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
401 struct usb_device_request req;
404 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
405 req.bRequest = MOS_UR_WRITEREG;
406 USETW(req.wValue, 0);
407 USETW(req.wIndex, MOS_MCAST_TABLE);
408 USETW(req.wLength, 8);
410 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
413 MOS_DPRINTFN("mos_reg_mcast error");
420 mos_miibus_readreg(struct device *dev, int phy, int reg)
422 struct mos_softc *sc = device_get_softc(dev);
428 locked = mtx_owned(&sc->sc_mtx);
432 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
433 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
435 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
438 for (i = 0; i < MOS_TIMEOUT; i++) {
439 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
442 if (i == MOS_TIMEOUT) {
443 MOS_DPRINTFN("MII read timeout");
445 res = mos_reg_read_2(sc, MOS_PHY_DATA);
453 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
455 struct mos_softc *sc = device_get_softc(dev);
458 locked = mtx_owned(&sc->sc_mtx);
462 mos_reg_write_2(sc, MOS_PHY_DATA, val);
463 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
465 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
468 for (i = 0; i < MOS_TIMEOUT; i++) {
469 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
472 if (i == MOS_TIMEOUT)
473 MOS_DPRINTFN("MII write timeout");
481 mos_miibus_statchg(device_t dev)
483 struct mos_softc *sc = device_get_softc(dev);
484 struct mii_data *mii = GET_MII(sc);
485 int val, err, locked;
487 locked = mtx_owned(&sc->sc_mtx);
491 /* disable RX, TX prior to changing FDX, SPEEDSEL */
492 val = mos_reg_read_1(sc, MOS_CTL);
493 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
494 mos_reg_write_1(sc, MOS_CTL, val);
496 /* reset register which counts dropped frames */
497 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
499 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
500 val |= MOS_CTL_FDX_ENB;
502 val &= ~(MOS_CTL_FDX_ENB);
504 switch (IFM_SUBTYPE(mii->mii_media_active)) {
506 val |= MOS_CTL_SPEEDSEL;
509 val &= ~(MOS_CTL_SPEEDSEL);
513 /* re-enable TX, RX */
514 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
515 err = mos_reg_write_1(sc, MOS_CTL, val);
518 MOS_DPRINTFN("media change failed");
528 mos_ifmedia_upd(struct ifnet *ifp)
530 struct mos_softc *sc = ifp->if_softc;
531 struct mii_data *mii = GET_MII(sc);
532 struct mii_softc *miisc;
535 MOS_LOCK_ASSERT(sc, MA_OWNED);
538 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
540 error = mii_mediachg(mii);
545 * Report current media status.
548 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
550 struct mos_softc *sc = ifp->if_softc;
551 struct mii_data *mii = GET_MII(sc);
556 ifmr->ifm_active = mii->mii_media_active;
557 ifmr->ifm_status = mii->mii_media_status;
562 mos_setpromisc(struct usb_ether *ue)
564 struct mos_softc *sc = uether_getsc(ue);
565 struct ifnet *ifp = uether_getifp(ue);
569 MOS_LOCK_ASSERT(sc, MA_OWNED);
571 rxmode = mos_reg_read_1(sc, MOS_CTL);
573 /* If we want promiscuous mode, set the allframes bit. */
574 if (ifp->if_flags & IFF_PROMISC) {
575 rxmode |= MOS_CTL_RX_PROMISC;
577 rxmode &= ~MOS_CTL_RX_PROMISC;
580 mos_reg_write_1(sc, MOS_CTL, rxmode);
586 mos_setmulti(struct usb_ether *ue)
588 struct mos_softc *sc = uether_getsc(ue);
589 struct ifnet *ifp = uether_getifp(ue);
590 struct ifmultiaddr *ifma;
594 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
597 MOS_LOCK_ASSERT(sc, MA_OWNED);
599 rxmode = mos_reg_read_1(sc, MOS_CTL);
601 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
604 /* get all new ones */
606 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
607 if (ifma->ifma_addr->sa_family != AF_LINK) {
611 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
612 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
613 hashtbl[h / 8] |= 1 << (h % 8);
615 if_maddr_runlock(ifp);
617 /* now program new ones */
619 rxmode |= MOS_CTL_ALLMULTI;
620 mos_reg_write_1(sc, MOS_CTL, rxmode);
622 rxmode &= ~MOS_CTL_ALLMULTI;
623 mos_write_mcast(sc, (void *)&hashtbl);
624 mos_reg_write_1(sc, MOS_CTL, rxmode);
629 mos_reset(struct mos_softc *sc)
633 ctl = mos_reg_read_1(sc, MOS_CTL);
634 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
636 /* Disable RX, TX, promiscuous and allmulticast mode */
637 mos_reg_write_1(sc, MOS_CTL, ctl);
639 /* Reset frame drop counter register to zero */
640 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
642 /* Wait a little while for the chip to get its brains in order. */
643 usb_pause_mtx(&sc->sc_mtx, hz / 128);
648 mos_chip_init(struct mos_softc *sc)
653 * Rev.C devices have a pause threshold register which needs to be set
656 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
657 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
658 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
660 sc->mos_phyaddrs[0] = 1;
661 sc->mos_phyaddrs[1] = 0xFF;
665 * Probe for a MCS7x30 chip.
668 mos_probe(device_t dev)
670 struct usb_attach_arg *uaa = device_get_ivars(dev);
673 if (uaa->usb_mode != USB_MODE_HOST)
675 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
677 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
680 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
685 * Attach the interface. Allocate softc structures, do ifmedia
686 * setup and ethernet/BPF attach.
689 mos_attach(device_t dev)
691 struct usb_attach_arg *uaa = device_get_ivars(dev);
692 struct mos_softc *sc = device_get_softc(dev);
693 struct usb_ether *ue = &sc->sc_ue;
697 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
699 device_set_usb_desc(dev);
700 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
702 iface_index = MOS_IFACE_IDX;
703 error = usbd_transfer_setup(uaa->device, &iface_index,
704 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
708 device_printf(dev, "allocating USB transfers failed\n");
713 ue->ue_udev = uaa->device;
714 ue->ue_mtx = &sc->sc_mtx;
715 ue->ue_methods = &mos_ue_methods;
718 if (sc->mos_flags & MCS7730) {
719 MOS_DPRINTFN("model: MCS7730");
720 } else if (sc->mos_flags & MCS7830) {
721 MOS_DPRINTFN("model: MCS7830");
722 } else if (sc->mos_flags & MCS7832) {
723 MOS_DPRINTFN("model: MCS7832");
725 error = uether_ifattach(ue);
727 device_printf(dev, "could not attach interface\n");
740 mos_attach_post(struct usb_ether *ue)
742 struct mos_softc *sc = uether_getsc(ue);
745 /* Read MAC address, inform the world. */
746 err = mos_readmac(sc, ue->ue_eaddr);
749 MOS_DPRINTFN("couldn't get MAC address");
751 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
757 mos_detach(device_t dev)
759 struct mos_softc *sc = device_get_softc(dev);
760 struct usb_ether *ue = &sc->sc_ue;
762 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
764 mtx_destroy(&sc->sc_mtx);
773 * A frame has been uploaded: pass the resulting mbuf chain up to
774 * the higher level protocols.
777 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
779 struct mos_softc *sc = usbd_xfer_softc(xfer);
780 struct usb_ether *ue = &sc->sc_ue;
781 struct ifnet *ifp = uether_getifp(ue);
786 struct usb_page_cache *pc;
788 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
789 pc = usbd_xfer_get_frame(xfer, 0);
791 switch (USB_GET_STATE(xfer)) {
792 case USB_ST_TRANSFERRED:
793 MOS_DPRINTFN("actlen : %d", actlen);
795 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
798 /* evaluate status byte at the end */
799 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
802 if (rxstat != MOS_RXSTS_VALID) {
803 MOS_DPRINTFN("erroneous frame received");
804 if (rxstat & MOS_RXSTS_SHORT_FRAME)
805 MOS_DPRINTFN("frame size less than 64 bytes");
806 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
807 MOS_DPRINTFN("frame size larger than "
810 if (rxstat & MOS_RXSTS_CRC_ERROR)
811 MOS_DPRINTFN("CRC error");
812 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
813 MOS_DPRINTFN("alignment error");
814 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
817 /* Remember the last byte was used for the status fields */
819 if (pktlen < sizeof(struct ether_header)) {
820 MOS_DPRINTFN("error: pktlen %d is smaller "
821 "than ether_header %zd", pktlen,
822 sizeof(struct ether_header));
823 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
826 uether_rxbuf(ue, pc, 0, actlen);
830 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
831 usbd_transfer_submit(xfer);
835 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
836 if (error != USB_ERR_CANCELLED) {
837 usbd_xfer_set_stall(xfer);
840 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
846 * A frame was downloaded to the chip. It's safe for us to clean up
850 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
852 struct mos_softc *sc = usbd_xfer_softc(xfer);
853 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
854 struct usb_page_cache *pc;
859 switch (USB_GET_STATE(xfer)) {
860 case USB_ST_TRANSFERRED:
861 MOS_DPRINTFN("transfer of complete");
862 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
867 * XXX: don't send anything if there is no link?
869 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
873 pc = usbd_xfer_get_frame(xfer, 0);
874 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
876 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
880 * if there's a BPF listener, bounce a copy
881 * of this frame to him:
887 usbd_transfer_submit(xfer);
889 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
892 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
893 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
894 if (error != USB_ERR_CANCELLED) {
895 usbd_xfer_set_stall(xfer);
903 mos_tick(struct usb_ether *ue)
905 struct mos_softc *sc = uether_getsc(ue);
906 struct mii_data *mii = GET_MII(sc);
908 MOS_LOCK_ASSERT(sc, MA_OWNED);
911 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
912 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
913 MOS_DPRINTFN("got link");
921 mos_start(struct usb_ether *ue)
923 struct mos_softc *sc = uether_getsc(ue);
926 * start the USB transfers, if not already started:
928 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
929 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
930 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
934 mos_init(struct usb_ether *ue)
936 struct mos_softc *sc = uether_getsc(ue);
937 struct ifnet *ifp = uether_getifp(ue);
940 MOS_LOCK_ASSERT(sc, MA_OWNED);
942 /* Cancel pending I/O and free all RX/TX buffers. */
945 /* Write MAC address */
946 mos_writemac(sc, IF_LLADDR(ifp));
948 /* Read and set transmitter IPG values */
949 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
950 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
951 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
952 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
955 * Enable receiver and transmitter, bridge controls speed/duplex
958 rxmode = mos_reg_read_1(sc, MOS_CTL);
959 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
960 rxmode &= ~(MOS_CTL_SLEEP);
964 /* XXX: broadcast mode? */
965 mos_reg_write_1(sc, MOS_CTL, rxmode);
967 /* Load the multicast filter. */
970 ifp->if_drv_flags |= IFF_DRV_RUNNING;
976 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
978 struct mos_softc *sc = usbd_xfer_softc(xfer);
979 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
980 struct usb_page_cache *pc;
984 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
986 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
987 MOS_DPRINTFN("actlen %i", actlen);
989 switch (USB_GET_STATE(xfer)) {
990 case USB_ST_TRANSFERRED:
992 pc = usbd_xfer_get_frame(xfer, 0);
993 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
999 if (error != USB_ERR_CANCELLED) {
1000 usbd_xfer_set_stall(xfer);
1009 * Stop the adapter and free any mbufs allocated to the
1013 mos_stop(struct usb_ether *ue)
1015 struct mos_softc *sc = uether_getsc(ue);
1016 struct ifnet *ifp = uether_getifp(ue);
1020 MOS_LOCK_ASSERT(sc, MA_OWNED);
1021 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1023 /* stop all the transfers, if not already stopped */
1024 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1025 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1026 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);