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_RWTUN, &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);
250 USB_PNP_HOST_INFO(mos_devs);
252 static const struct usb_ether_methods mos_ue_methods = {
253 .ue_attach_post = mos_attach_post,
254 .ue_start = mos_start,
258 .ue_setmulti = mos_setmulti,
259 .ue_setpromisc = mos_setpromisc,
260 .ue_mii_upd = mos_ifmedia_upd,
261 .ue_mii_sts = mos_ifmedia_sts,
266 mos_reg_read_1(struct mos_softc *sc, int reg)
268 struct usb_device_request req;
272 req.bmRequestType = UT_READ_VENDOR_DEVICE;
273 req.bRequest = MOS_UR_READREG;
274 USETW(req.wValue, 0);
275 USETW(req.wIndex, reg);
276 USETW(req.wLength, 1);
278 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
281 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
288 mos_reg_read_2(struct mos_softc *sc, int reg)
290 struct usb_device_request req;
296 req.bmRequestType = UT_READ_VENDOR_DEVICE;
297 req.bRequest = MOS_UR_READREG;
298 USETW(req.wValue, 0);
299 USETW(req.wIndex, reg);
300 USETW(req.wLength, 2);
302 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
305 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
312 mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
314 struct usb_device_request req;
319 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
320 req.bRequest = MOS_UR_WRITEREG;
321 USETW(req.wValue, 0);
322 USETW(req.wIndex, reg);
323 USETW(req.wLength, 1);
325 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
328 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
335 mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
337 struct usb_device_request req;
343 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
344 req.bRequest = MOS_UR_WRITEREG;
345 USETW(req.wValue, 0);
346 USETW(req.wIndex, reg);
347 USETW(req.wLength, 2);
349 err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
352 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
359 mos_readmac(struct mos_softc *sc, u_char *mac)
361 struct usb_device_request req;
364 req.bmRequestType = UT_READ_VENDOR_DEVICE;
365 req.bRequest = MOS_UR_READREG;
366 USETW(req.wValue, 0);
367 USETW(req.wIndex, MOS_MAC);
368 USETW(req.wLength, ETHER_ADDR_LEN);
370 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
379 mos_writemac(struct mos_softc *sc, uint8_t *mac)
381 struct usb_device_request req;
384 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
385 req.bRequest = MOS_UR_WRITEREG;
386 USETW(req.wValue, 0);
387 USETW(req.wIndex, MOS_MAC);
388 USETW(req.wLength, ETHER_ADDR_LEN);
390 err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
393 MOS_DPRINTFN("mos_writemac error");
400 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
402 struct usb_device_request req;
405 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
406 req.bRequest = MOS_UR_WRITEREG;
407 USETW(req.wValue, 0);
408 USETW(req.wIndex, MOS_MCAST_TABLE);
409 USETW(req.wLength, 8);
411 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
414 MOS_DPRINTFN("mos_reg_mcast error");
421 mos_miibus_readreg(device_t dev, int phy, int reg)
423 struct mos_softc *sc = device_get_softc(dev);
429 locked = mtx_owned(&sc->sc_mtx);
433 mos_reg_write_2(sc, MOS_PHY_DATA, 0);
434 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
436 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
439 for (i = 0; i < MOS_TIMEOUT; i++) {
440 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
443 if (i == MOS_TIMEOUT) {
444 MOS_DPRINTFN("MII read timeout");
446 res = mos_reg_read_2(sc, MOS_PHY_DATA);
454 mos_miibus_writereg(device_t dev, int phy, int reg, int val)
456 struct mos_softc *sc = device_get_softc(dev);
459 locked = mtx_owned(&sc->sc_mtx);
463 mos_reg_write_2(sc, MOS_PHY_DATA, val);
464 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
466 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
469 for (i = 0; i < MOS_TIMEOUT; i++) {
470 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
473 if (i == MOS_TIMEOUT)
474 MOS_DPRINTFN("MII write timeout");
482 mos_miibus_statchg(device_t dev)
484 struct mos_softc *sc = device_get_softc(dev);
485 struct mii_data *mii = GET_MII(sc);
486 int val, err, locked;
488 locked = mtx_owned(&sc->sc_mtx);
492 /* disable RX, TX prior to changing FDX, SPEEDSEL */
493 val = mos_reg_read_1(sc, MOS_CTL);
494 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
495 mos_reg_write_1(sc, MOS_CTL, val);
497 /* reset register which counts dropped frames */
498 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
500 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
501 val |= MOS_CTL_FDX_ENB;
503 val &= ~(MOS_CTL_FDX_ENB);
505 switch (IFM_SUBTYPE(mii->mii_media_active)) {
507 val |= MOS_CTL_SPEEDSEL;
510 val &= ~(MOS_CTL_SPEEDSEL);
514 /* re-enable TX, RX */
515 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
516 err = mos_reg_write_1(sc, MOS_CTL, val);
519 MOS_DPRINTFN("media change failed");
529 mos_ifmedia_upd(struct ifnet *ifp)
531 struct mos_softc *sc = ifp->if_softc;
532 struct mii_data *mii = GET_MII(sc);
533 struct mii_softc *miisc;
536 MOS_LOCK_ASSERT(sc, MA_OWNED);
539 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
541 error = mii_mediachg(mii);
546 * Report current media status.
549 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
551 struct mos_softc *sc = ifp->if_softc;
552 struct mii_data *mii = GET_MII(sc);
557 ifmr->ifm_active = mii->mii_media_active;
558 ifmr->ifm_status = mii->mii_media_status;
563 mos_setpromisc(struct usb_ether *ue)
565 struct mos_softc *sc = uether_getsc(ue);
566 struct ifnet *ifp = uether_getifp(ue);
570 MOS_LOCK_ASSERT(sc, MA_OWNED);
572 rxmode = mos_reg_read_1(sc, MOS_CTL);
574 /* If we want promiscuous mode, set the allframes bit. */
575 if (ifp->if_flags & IFF_PROMISC) {
576 rxmode |= MOS_CTL_RX_PROMISC;
578 rxmode &= ~MOS_CTL_RX_PROMISC;
581 mos_reg_write_1(sc, MOS_CTL, rxmode);
587 mos_setmulti(struct usb_ether *ue)
589 struct mos_softc *sc = uether_getsc(ue);
590 struct ifnet *ifp = uether_getifp(ue);
591 struct ifmultiaddr *ifma;
595 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
598 MOS_LOCK_ASSERT(sc, MA_OWNED);
600 rxmode = mos_reg_read_1(sc, MOS_CTL);
602 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
605 /* get all new ones */
607 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
608 if (ifma->ifma_addr->sa_family != AF_LINK) {
612 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
613 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
614 hashtbl[h / 8] |= 1 << (h % 8);
616 if_maddr_runlock(ifp);
618 /* now program new ones */
620 rxmode |= MOS_CTL_ALLMULTI;
621 mos_reg_write_1(sc, MOS_CTL, rxmode);
623 rxmode &= ~MOS_CTL_ALLMULTI;
624 mos_write_mcast(sc, (void *)&hashtbl);
625 mos_reg_write_1(sc, MOS_CTL, rxmode);
630 mos_reset(struct mos_softc *sc)
634 ctl = mos_reg_read_1(sc, MOS_CTL);
635 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
637 /* Disable RX, TX, promiscuous and allmulticast mode */
638 mos_reg_write_1(sc, MOS_CTL, ctl);
640 /* Reset frame drop counter register to zero */
641 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
643 /* Wait a little while for the chip to get its brains in order. */
644 usb_pause_mtx(&sc->sc_mtx, hz / 128);
649 mos_chip_init(struct mos_softc *sc)
654 * Rev.C devices have a pause threshold register which needs to be set
657 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
658 for (i = 0; i < MOS_PAUSE_REWRITES; i++)
659 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
661 sc->mos_phyaddrs[0] = 1;
662 sc->mos_phyaddrs[1] = 0xFF;
666 * Probe for a MCS7x30 chip.
669 mos_probe(device_t dev)
671 struct usb_attach_arg *uaa = device_get_ivars(dev);
674 if (uaa->usb_mode != USB_MODE_HOST)
676 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
678 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
681 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
686 * Attach the interface. Allocate softc structures, do ifmedia
687 * setup and ethernet/BPF attach.
690 mos_attach(device_t dev)
692 struct usb_attach_arg *uaa = device_get_ivars(dev);
693 struct mos_softc *sc = device_get_softc(dev);
694 struct usb_ether *ue = &sc->sc_ue;
698 sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
700 device_set_usb_desc(dev);
701 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
703 iface_index = MOS_IFACE_IDX;
704 error = usbd_transfer_setup(uaa->device, &iface_index,
705 sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
709 device_printf(dev, "allocating USB transfers failed\n");
714 ue->ue_udev = uaa->device;
715 ue->ue_mtx = &sc->sc_mtx;
716 ue->ue_methods = &mos_ue_methods;
719 if (sc->mos_flags & MCS7730) {
720 MOS_DPRINTFN("model: MCS7730");
721 } else if (sc->mos_flags & MCS7830) {
722 MOS_DPRINTFN("model: MCS7830");
723 } else if (sc->mos_flags & MCS7832) {
724 MOS_DPRINTFN("model: MCS7832");
726 error = uether_ifattach(ue);
728 device_printf(dev, "could not attach interface\n");
741 mos_attach_post(struct usb_ether *ue)
743 struct mos_softc *sc = uether_getsc(ue);
746 /* Read MAC address, inform the world. */
747 err = mos_readmac(sc, ue->ue_eaddr);
750 MOS_DPRINTFN("couldn't get MAC address");
752 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
758 mos_detach(device_t dev)
760 struct mos_softc *sc = device_get_softc(dev);
761 struct usb_ether *ue = &sc->sc_ue;
763 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
765 mtx_destroy(&sc->sc_mtx);
774 * A frame has been uploaded: pass the resulting mbuf chain up to
775 * the higher level protocols.
778 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
780 struct mos_softc *sc = usbd_xfer_softc(xfer);
781 struct usb_ether *ue = &sc->sc_ue;
782 struct ifnet *ifp = uether_getifp(ue);
787 struct usb_page_cache *pc;
789 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
790 pc = usbd_xfer_get_frame(xfer, 0);
792 switch (USB_GET_STATE(xfer)) {
793 case USB_ST_TRANSFERRED:
794 MOS_DPRINTFN("actlen : %d", actlen);
796 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
799 /* evaluate status byte at the end */
800 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
803 if (rxstat != MOS_RXSTS_VALID) {
804 MOS_DPRINTFN("erroneous frame received");
805 if (rxstat & MOS_RXSTS_SHORT_FRAME)
806 MOS_DPRINTFN("frame size less than 64 bytes");
807 if (rxstat & MOS_RXSTS_LARGE_FRAME) {
808 MOS_DPRINTFN("frame size larger than "
811 if (rxstat & MOS_RXSTS_CRC_ERROR)
812 MOS_DPRINTFN("CRC error");
813 if (rxstat & MOS_RXSTS_ALIGN_ERROR)
814 MOS_DPRINTFN("alignment error");
815 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
818 /* Remember the last byte was used for the status fields */
820 if (pktlen < sizeof(struct ether_header)) {
821 MOS_DPRINTFN("error: pktlen %d is smaller "
822 "than ether_header %zd", pktlen,
823 sizeof(struct ether_header));
824 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
827 uether_rxbuf(ue, pc, 0, actlen);
831 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
832 usbd_transfer_submit(xfer);
836 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
837 if (error != USB_ERR_CANCELLED) {
838 usbd_xfer_set_stall(xfer);
841 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
847 * A frame was downloaded to the chip. It's safe for us to clean up
851 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
853 struct mos_softc *sc = usbd_xfer_softc(xfer);
854 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
855 struct usb_page_cache *pc;
860 switch (USB_GET_STATE(xfer)) {
861 case USB_ST_TRANSFERRED:
862 MOS_DPRINTFN("transfer of complete");
863 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
868 * XXX: don't send anything if there is no link?
870 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
874 pc = usbd_xfer_get_frame(xfer, 0);
875 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
877 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
881 * if there's a BPF listener, bounce a copy
882 * of this frame to him:
888 usbd_transfer_submit(xfer);
890 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
893 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
894 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
895 if (error != USB_ERR_CANCELLED) {
896 usbd_xfer_set_stall(xfer);
904 mos_tick(struct usb_ether *ue)
906 struct mos_softc *sc = uether_getsc(ue);
907 struct mii_data *mii = GET_MII(sc);
909 MOS_LOCK_ASSERT(sc, MA_OWNED);
912 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
913 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
914 MOS_DPRINTFN("got link");
922 mos_start(struct usb_ether *ue)
924 struct mos_softc *sc = uether_getsc(ue);
927 * start the USB transfers, if not already started:
929 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
930 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
931 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
935 mos_init(struct usb_ether *ue)
937 struct mos_softc *sc = uether_getsc(ue);
938 struct ifnet *ifp = uether_getifp(ue);
941 MOS_LOCK_ASSERT(sc, MA_OWNED);
943 /* Cancel pending I/O and free all RX/TX buffers. */
946 /* Write MAC address */
947 mos_writemac(sc, IF_LLADDR(ifp));
949 /* Read and set transmitter IPG values */
950 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
951 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
952 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
953 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
956 * Enable receiver and transmitter, bridge controls speed/duplex
959 rxmode = mos_reg_read_1(sc, MOS_CTL);
960 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
961 rxmode &= ~(MOS_CTL_SLEEP);
965 /* XXX: broadcast mode? */
966 mos_reg_write_1(sc, MOS_CTL, rxmode);
968 /* Load the multicast filter. */
971 ifp->if_drv_flags |= IFF_DRV_RUNNING;
977 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
979 struct mos_softc *sc = usbd_xfer_softc(xfer);
980 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
981 struct usb_page_cache *pc;
985 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
987 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
988 MOS_DPRINTFN("actlen %i", actlen);
990 switch (USB_GET_STATE(xfer)) {
991 case USB_ST_TRANSFERRED:
993 pc = usbd_xfer_get_frame(xfer, 0);
994 usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
1000 if (error != USB_ERR_CANCELLED) {
1001 usbd_xfer_set_stall(xfer);
1010 * Stop the adapter and free any mbufs allocated to the
1014 mos_stop(struct usb_ether *ue)
1016 struct mos_softc *sc = uether_getsc(ue);
1017 struct ifnet *ifp = uether_getifp(ue);
1021 MOS_LOCK_ASSERT(sc, MA_OWNED);
1022 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1024 /* stop all the transfers, if not already stopped */
1025 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
1026 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
1027 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);