1027 lines
25 KiB
C
1027 lines
25 KiB
C
/*-
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* Copyright (c) 2011 Rick van der Zwet <info@rickvanderzwet.nl>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 1997, 1998, 1999, 2000-2003
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* Bill Paul <wpaul@windriver.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Moschip MCS7730/MCS7830/MCS7832 USB to Ethernet controller
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* The datasheet is available at the following URL:
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* http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf
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*/
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/*
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* The FreeBSD if_mos.c driver is based on various different sources:
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* The vendor provided driver at the following URL:
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* http://www.moschip.com/data/products/MCS7830/Driver_FreeBSD_7830.tar.gz
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*
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* Mixed together with the OpenBSD if_mos.c driver for validation and checking
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* and the FreeBSD if_reu.c as reference for the USB Ethernet framework.
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include "usbdevs.h"
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#define USB_DEBUG_VAR mos_debug
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/net/usb_ethernet.h>
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//#include <dev/usb/net/if_mosreg.h>
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#include "if_mosreg.h"
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#ifdef USB_DEBUG
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static int mos_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW, 0, "USB mos");
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SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RW, &mos_debug, 0,
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"Debug level");
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#endif
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#define MOS_DPRINTFN(fmt,...) \
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DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__)
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#define USB_PRODUCT_MOSCHIP_MCS7730 0x7730
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#define USB_PRODUCT_SITECOMEU_LN030 0x0021
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/* Various supported device vendors/products. */
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static const STRUCT_USB_HOST_ID mos_devs[] = {
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{USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)},
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{USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)},
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{USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)},
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{USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)},
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};
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static int mos_probe(device_t dev);
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static int mos_attach(device_t dev);
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static void mos_attach_post(struct usb_ether *ue);
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static int mos_detach(device_t dev);
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static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error);
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static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error);
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static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error);
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static void mos_tick(struct usb_ether *);
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static void mos_start(struct usb_ether *);
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static void mos_init(struct usb_ether *);
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static void mos_chip_init(struct mos_softc *);
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static void mos_stop(struct usb_ether *);
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static int mos_miibus_readreg(device_t, int, int);
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static int mos_miibus_writereg(device_t, int, int, int);
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static void mos_miibus_statchg(device_t);
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static int mos_ifmedia_upd(struct ifnet *);
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static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *);
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static void mos_reset(struct mos_softc *sc);
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static int mos_reg_read_1(struct mos_softc *, int);
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static int mos_reg_read_2(struct mos_softc *, int);
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static int mos_reg_write_1(struct mos_softc *, int, int);
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static int mos_reg_write_2(struct mos_softc *, int, int);
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static int mos_readmac(struct mos_softc *, uint8_t *);
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static int mos_writemac(struct mos_softc *, uint8_t *);
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static int mos_write_mcast(struct mos_softc *, u_char *);
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static void mos_setmulti(struct usb_ether *);
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static void mos_setpromisc(struct usb_ether *);
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static const struct usb_config mos_config[MOS_ENDPT_MAX] = {
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[MOS_ENDPT_TX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.bufsize = (MCLBYTES + 2),
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = mos_bulk_write_callback,
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.timeout = 10000,
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},
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[MOS_ENDPT_RX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN),
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = mos_bulk_read_callback,
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},
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[MOS_ENDPT_INTR] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.bufsize = 0,
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.callback = mos_intr_callback,
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},
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};
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static device_method_t mos_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mos_probe),
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DEVMETHOD(device_attach, mos_attach),
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DEVMETHOD(device_detach, mos_detach),
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/* MII interface */
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DEVMETHOD(miibus_readreg, mos_miibus_readreg),
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DEVMETHOD(miibus_writereg, mos_miibus_writereg),
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DEVMETHOD(miibus_statchg, mos_miibus_statchg),
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DEVMETHOD_END
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};
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static driver_t mos_driver = {
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.name = "mos",
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.methods = mos_methods,
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.size = sizeof(struct mos_softc)
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};
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static devclass_t mos_devclass;
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DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0);
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DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0);
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MODULE_DEPEND(mos, uether, 1, 1, 1);
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MODULE_DEPEND(mos, usb, 1, 1, 1);
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MODULE_DEPEND(mos, ether, 1, 1, 1);
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MODULE_DEPEND(mos, miibus, 1, 1, 1);
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static const struct usb_ether_methods mos_ue_methods = {
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.ue_attach_post = mos_attach_post,
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.ue_start = mos_start,
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.ue_init = mos_init,
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.ue_stop = mos_stop,
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.ue_tick = mos_tick,
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.ue_setmulti = mos_setmulti,
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.ue_setpromisc = mos_setpromisc,
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.ue_mii_upd = mos_ifmedia_upd,
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.ue_mii_sts = mos_ifmedia_sts,
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};
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static int
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mos_reg_read_1(struct mos_softc *sc, int reg)
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{
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struct usb_device_request req;
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usb_error_t err;
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uByte val = 0;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = MOS_UR_READREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 1);
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err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
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if (err) {
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MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg);
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return (-1);
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}
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return (val);
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}
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static int
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mos_reg_read_2(struct mos_softc *sc, int reg)
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{
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struct usb_device_request req;
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usb_error_t err;
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uWord val;
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USETW(val, 0);
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = MOS_UR_READREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 2);
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err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
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if (err) {
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MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg);
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return (-1);
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}
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return (UGETW(val));
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}
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static int
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mos_reg_write_1(struct mos_softc *sc, int reg, int aval)
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{
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struct usb_device_request req;
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usb_error_t err;
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uByte val;
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val = aval;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = MOS_UR_WRITEREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 1);
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err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
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if (err) {
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MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg);
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return (-1);
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}
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return (0);
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}
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static int
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mos_reg_write_2(struct mos_softc *sc, int reg, int aval)
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{
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struct usb_device_request req;
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usb_error_t err;
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uWord val;
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USETW(val, aval);
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = MOS_UR_WRITEREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 2);
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err = uether_do_request(&sc->sc_ue, &req, &val, 1000);
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if (err) {
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MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg);
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return (-1);
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}
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return (0);
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}
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static int
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mos_readmac(struct mos_softc *sc, u_char *mac)
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{
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struct usb_device_request req;
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usb_error_t err;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = MOS_UR_READREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, MOS_MAC);
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USETW(req.wLength, ETHER_ADDR_LEN);
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err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
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if (err) {
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return (-1);
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}
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return (0);
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}
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static int
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mos_writemac(struct mos_softc *sc, uint8_t *mac)
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{
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struct usb_device_request req;
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usb_error_t err;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = MOS_UR_WRITEREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, MOS_MAC);
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USETW(req.wLength, ETHER_ADDR_LEN);
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err = uether_do_request(&sc->sc_ue, &req, mac, 1000);
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if (err) {
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MOS_DPRINTFN("mos_writemac error");
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return (-1);
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}
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return (0);
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}
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static int
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mos_write_mcast(struct mos_softc *sc, u_char *hashtbl)
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{
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struct usb_device_request req;
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usb_error_t err;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = MOS_UR_WRITEREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, MOS_MCAST_TABLE);
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USETW(req.wLength, 8);
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err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000);
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if (err) {
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MOS_DPRINTFN("mos_reg_mcast error");
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return (-1);
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}
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return (0);
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}
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static int
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mos_miibus_readreg(struct device *dev, int phy, int reg)
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{
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struct mos_softc *sc = device_get_softc(dev);
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uWord val;
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int i, res, locked;
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USETW(val, 0);
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locked = mtx_owned(&sc->sc_mtx);
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if (!locked)
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MOS_LOCK(sc);
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mos_reg_write_2(sc, MOS_PHY_DATA, 0);
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mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
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MOS_PHYCTL_READ);
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mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
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MOS_PHYSTS_PENDING);
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for (i = 0; i < MOS_TIMEOUT; i++) {
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if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
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break;
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}
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if (i == MOS_TIMEOUT) {
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MOS_DPRINTFN("MII read timeout");
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}
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res = mos_reg_read_2(sc, MOS_PHY_DATA);
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if (!locked)
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MOS_UNLOCK(sc);
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return (res);
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}
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static int
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mos_miibus_writereg(device_t dev, int phy, int reg, int val)
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{
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struct mos_softc *sc = device_get_softc(dev);
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int i, locked;
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locked = mtx_owned(&sc->sc_mtx);
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if (!locked)
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MOS_LOCK(sc);
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mos_reg_write_2(sc, MOS_PHY_DATA, val);
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mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) |
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MOS_PHYCTL_WRITE);
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mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) |
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MOS_PHYSTS_PENDING);
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for (i = 0; i < MOS_TIMEOUT; i++) {
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if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY)
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break;
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}
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if (i == MOS_TIMEOUT)
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MOS_DPRINTFN("MII write timeout");
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if (!locked)
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MOS_UNLOCK(sc);
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return 0;
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}
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static void
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mos_miibus_statchg(device_t dev)
|
|
{
|
|
struct mos_softc *sc = device_get_softc(dev);
|
|
struct mii_data *mii = GET_MII(sc);
|
|
int val, err, locked;
|
|
|
|
locked = mtx_owned(&sc->sc_mtx);
|
|
if (!locked)
|
|
MOS_LOCK(sc);
|
|
|
|
/* disable RX, TX prior to changing FDX, SPEEDSEL */
|
|
val = mos_reg_read_1(sc, MOS_CTL);
|
|
val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
|
|
mos_reg_write_1(sc, MOS_CTL, val);
|
|
|
|
/* reset register which counts dropped frames */
|
|
mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
|
|
|
|
if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
|
|
val |= MOS_CTL_FDX_ENB;
|
|
else
|
|
val &= ~(MOS_CTL_FDX_ENB);
|
|
|
|
switch (IFM_SUBTYPE(mii->mii_media_active)) {
|
|
case IFM_100_TX:
|
|
val |= MOS_CTL_SPEEDSEL;
|
|
break;
|
|
case IFM_10_T:
|
|
val &= ~(MOS_CTL_SPEEDSEL);
|
|
break;
|
|
}
|
|
|
|
/* re-enable TX, RX */
|
|
val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB);
|
|
err = mos_reg_write_1(sc, MOS_CTL, val);
|
|
|
|
if (err)
|
|
MOS_DPRINTFN("media change failed");
|
|
|
|
if (!locked)
|
|
MOS_UNLOCK(sc);
|
|
}
|
|
|
|
/*
|
|
* Set media options.
|
|
*/
|
|
static int
|
|
mos_ifmedia_upd(struct ifnet *ifp)
|
|
{
|
|
struct mos_softc *sc = ifp->if_softc;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
struct mii_softc *miisc;
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
sc->mos_link = 0;
|
|
if (mii->mii_instance) {
|
|
LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
|
|
mii_phy_reset(miisc);
|
|
}
|
|
mii_mediachg(mii);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Report current media status.
|
|
*/
|
|
static void
|
|
mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
{
|
|
struct mos_softc *sc = ifp->if_softc;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
MOS_LOCK(sc);
|
|
mii_pollstat(mii);
|
|
|
|
ifmr->ifm_active = mii->mii_media_active;
|
|
ifmr->ifm_status = mii->mii_media_status;
|
|
MOS_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
mos_setpromisc(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
|
|
uint8_t rxmode;
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
rxmode = mos_reg_read_1(sc, MOS_CTL);
|
|
|
|
/* If we want promiscuous mode, set the allframes bit. */
|
|
if (ifp->if_flags & IFF_PROMISC) {
|
|
rxmode |= MOS_CTL_RX_PROMISC;
|
|
} else {
|
|
rxmode &= ~MOS_CTL_RX_PROMISC;
|
|
}
|
|
|
|
mos_reg_write_1(sc, MOS_CTL, rxmode);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
mos_setmulti(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
struct ifmultiaddr *ifma;
|
|
|
|
uint32_t h = 0;
|
|
uint8_t rxmode;
|
|
uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0};
|
|
int allmulti = 0;
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
rxmode = mos_reg_read_1(sc, MOS_CTL);
|
|
|
|
if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC)
|
|
allmulti = 1;
|
|
|
|
/* get all new ones */
|
|
if_maddr_rlock(ifp);
|
|
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
|
|
if (ifma->ifma_addr->sa_family != AF_LINK) {
|
|
allmulti = 1;
|
|
continue;
|
|
};
|
|
h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
|
|
ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
|
|
hashtbl[h / 8] |= 1 << (h % 8);
|
|
}
|
|
if_maddr_runlock(ifp);
|
|
|
|
/* now program new ones */
|
|
if (allmulti == 1) {
|
|
rxmode |= MOS_CTL_ALLMULTI;
|
|
mos_reg_write_1(sc, MOS_CTL, rxmode);
|
|
} else {
|
|
rxmode &= ~MOS_CTL_ALLMULTI;
|
|
mos_write_mcast(sc, (void *)&hashtbl);
|
|
mos_reg_write_1(sc, MOS_CTL, rxmode);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mos_reset(struct mos_softc *sc)
|
|
{
|
|
uint8_t ctl;
|
|
|
|
ctl = mos_reg_read_1(sc, MOS_CTL);
|
|
ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB |
|
|
MOS_CTL_RX_ENB);
|
|
/* Disable RX, TX, promiscuous and allmulticast mode */
|
|
mos_reg_write_1(sc, MOS_CTL, ctl);
|
|
|
|
/* Reset frame drop counter register to zero */
|
|
mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0);
|
|
|
|
/* Wait a little while for the chip to get its brains in order. */
|
|
usb_pause_mtx(&sc->sc_mtx, hz / 128);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
mos_chip_init(struct mos_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* Rev.C devices have a pause threshold register which needs to be set
|
|
* at startup.
|
|
*/
|
|
if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) {
|
|
for (i = 0; i < MOS_PAUSE_REWRITES; i++)
|
|
mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0);
|
|
}
|
|
sc->mos_phyaddrs[0] = 1;
|
|
sc->mos_phyaddrs[1] = 0xFF;
|
|
}
|
|
|
|
/*
|
|
* Probe for a MCS7x30 chip.
|
|
*/
|
|
static int
|
|
mos_probe(device_t dev)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
int retval;
|
|
|
|
if (uaa->usb_mode != USB_MODE_HOST)
|
|
return (ENXIO);
|
|
if (uaa->info.bConfigIndex != MOS_CONFIG_IDX)
|
|
return (ENXIO);
|
|
if (uaa->info.bIfaceIndex != MOS_IFACE_IDX)
|
|
return (ENXIO);
|
|
|
|
retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa);
|
|
return (retval);
|
|
}
|
|
|
|
/*
|
|
* Attach the interface. Allocate softc structures, do ifmedia
|
|
* setup and ethernet/BPF attach.
|
|
*/
|
|
static int
|
|
mos_attach(device_t dev)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
struct mos_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
uint8_t iface_index;
|
|
int error;
|
|
|
|
sc->mos_flags = USB_GET_DRIVER_INFO(uaa);
|
|
|
|
device_set_usb_desc(dev);
|
|
mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
|
|
|
|
iface_index = MOS_IFACE_IDX;
|
|
error = usbd_transfer_setup(uaa->device, &iface_index,
|
|
sc->sc_xfer, mos_config, MOS_ENDPT_MAX,
|
|
sc, &sc->sc_mtx);
|
|
|
|
if (error) {
|
|
device_printf(dev, "allocating USB transfers failed\n");
|
|
goto detach;
|
|
}
|
|
ue->ue_sc = sc;
|
|
ue->ue_dev = dev;
|
|
ue->ue_udev = uaa->device;
|
|
ue->ue_mtx = &sc->sc_mtx;
|
|
ue->ue_methods = &mos_ue_methods;
|
|
|
|
|
|
if (sc->mos_flags & MCS7730) {
|
|
MOS_DPRINTFN("model: MCS7730");
|
|
} else if (sc->mos_flags & MCS7830) {
|
|
MOS_DPRINTFN("model: MCS7830");
|
|
} else if (sc->mos_flags & MCS7832) {
|
|
MOS_DPRINTFN("model: MCS7832");
|
|
}
|
|
error = uether_ifattach(ue);
|
|
if (error) {
|
|
device_printf(dev, "could not attach interface\n");
|
|
goto detach;
|
|
}
|
|
return (0);
|
|
|
|
|
|
detach:
|
|
mos_detach(dev);
|
|
return (ENXIO);
|
|
}
|
|
|
|
|
|
static void
|
|
mos_attach_post(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
int err;
|
|
|
|
/* Read MAC address, inform the world. */
|
|
err = mos_readmac(sc, ue->ue_eaddr);
|
|
|
|
if (err)
|
|
MOS_DPRINTFN("couldn't get MAC address");
|
|
|
|
MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr));
|
|
|
|
mos_chip_init(sc);
|
|
}
|
|
|
|
static int
|
|
mos_detach(device_t dev)
|
|
{
|
|
struct mos_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX);
|
|
uether_ifdetach(ue);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* A frame has been uploaded: pass the resulting mbuf chain up to
|
|
* the higher level protocols.
|
|
*/
|
|
static void
|
|
mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct mos_softc *sc = usbd_xfer_softc(xfer);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
|
|
uint8_t rxstat = 0;
|
|
uint32_t actlen;
|
|
uint16_t pktlen = 0;
|
|
struct usb_page_cache *pc;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
MOS_DPRINTFN("actlen : %d", actlen);
|
|
if (actlen <= 1) {
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
/* evaluate status byte at the end */
|
|
usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat,
|
|
sizeof(rxstat));
|
|
|
|
if (rxstat != MOS_RXSTS_VALID) {
|
|
MOS_DPRINTFN("erroneous frame received");
|
|
if (rxstat & MOS_RXSTS_SHORT_FRAME)
|
|
MOS_DPRINTFN("frame size less than 64 bytes");
|
|
if (rxstat & MOS_RXSTS_LARGE_FRAME) {
|
|
MOS_DPRINTFN("frame size larger than "
|
|
"1532 bytes");
|
|
}
|
|
if (rxstat & MOS_RXSTS_CRC_ERROR)
|
|
MOS_DPRINTFN("CRC error");
|
|
if (rxstat & MOS_RXSTS_ALIGN_ERROR)
|
|
MOS_DPRINTFN("alignment error");
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
/* Remember the last byte was used for the status fields */
|
|
pktlen = actlen - 1;
|
|
if (pktlen < sizeof(struct ether_header)) {
|
|
MOS_DPRINTFN("error: pktlen %d is smaller "
|
|
"than ether_header %zd", pktlen,
|
|
sizeof(struct ether_header));
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
uether_rxbuf(ue, pc, 0, actlen);
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
uether_rxflush(ue);
|
|
return;
|
|
default:
|
|
MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error));
|
|
if (error != USB_ERR_CANCELLED) {
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer));
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* A frame was downloaded to the chip. It's safe for us to clean up
|
|
* the list buffers.
|
|
*/
|
|
static void
|
|
mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct mos_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct usb_page_cache *pc;
|
|
struct mbuf *m;
|
|
|
|
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
MOS_DPRINTFN("transfer of complete");
|
|
ifp->if_opackets++;
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
/*
|
|
* XXX: don't send anything if there is no link?
|
|
*/
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
|
|
if (m == NULL)
|
|
return;
|
|
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
|
|
|
|
usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
|
|
|
|
|
|
/*
|
|
* if there's a BPF listener, bounce a copy
|
|
* of this frame to him:
|
|
*/
|
|
BPF_MTAP(ifp, m);
|
|
|
|
m_freem(m);
|
|
|
|
usbd_transfer_submit(xfer);
|
|
|
|
ifp->if_opackets++;
|
|
return;
|
|
default:
|
|
MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error));
|
|
ifp->if_oerrors++;
|
|
if (error != USB_ERR_CANCELLED) {
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
mos_tick(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
mii_tick(mii);
|
|
if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE &&
|
|
IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
|
|
MOS_DPRINTFN("got link");
|
|
sc->mos_link++;
|
|
mos_start(ue);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
mos_start(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
|
|
/*
|
|
* start the USB transfers, if not already started:
|
|
*/
|
|
usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]);
|
|
usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]);
|
|
usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]);
|
|
}
|
|
|
|
static void
|
|
mos_init(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
uint8_t rxmode;
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
/* Cancel pending I/O and free all RX/TX buffers. */
|
|
mos_reset(sc);
|
|
|
|
/* Write MAC address */
|
|
mos_writemac(sc, IF_LLADDR(ifp));
|
|
|
|
/* Read and set transmitter IPG values */
|
|
sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0);
|
|
sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1);
|
|
mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]);
|
|
mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]);
|
|
|
|
/*
|
|
* Enable receiver and transmitter, bridge controls speed/duplex
|
|
* mode
|
|
*/
|
|
rxmode = mos_reg_read_1(sc, MOS_CTL);
|
|
rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB;
|
|
rxmode &= ~(MOS_CTL_SLEEP);
|
|
|
|
mos_setpromisc(ue);
|
|
|
|
/* XXX: broadcast mode? */
|
|
mos_reg_write_1(sc, MOS_CTL, rxmode);
|
|
|
|
/* Load the multicast filter. */
|
|
mos_setmulti(ue);
|
|
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
mos_start(ue);
|
|
}
|
|
|
|
|
|
static void
|
|
mos_intr_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct mos_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct usb_page_cache *pc;
|
|
uint32_t pkt;
|
|
int actlen;
|
|
|
|
ifp->if_oerrors++;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
MOS_DPRINTFN("actlen %i", actlen);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
return;
|
|
default:
|
|
if (error != USB_ERR_CANCELLED) {
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Stop the adapter and free any mbufs allocated to the
|
|
* RX and TX lists.
|
|
*/
|
|
static void
|
|
mos_stop(struct usb_ether *ue)
|
|
{
|
|
struct mos_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
|
|
mos_reset(sc);
|
|
|
|
MOS_LOCK_ASSERT(sc, MA_OWNED);
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
|
|
/* stop all the transfers, if not already stopped */
|
|
usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]);
|
|
usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]);
|
|
usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]);
|
|
|
|
sc->mos_link = 0;
|
|
}
|