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925 lines
22 KiB
C
925 lines
22 KiB
C
/*-
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* Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
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* Copyright (c) 1997, 1998, 1999, 2000 Bill Paul <wpaul@ee.columbia.edu>.
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* SPDX-License-Identifier: BSD-4-Clause AND BSD-2-Clause
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*
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* Copyright (c) 1997, 1998, 1999, 2000
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* Bill Paul <wpaul@ee.columbia.edu>. 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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/*
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* RealTek RTL8150 USB to fast ethernet controller driver.
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* Datasheet is available from
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* ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/.
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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/socket.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 <net/if.h>
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#include <net/if_var.h>
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#include <net/if_media.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.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 rue_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_ruereg.h>
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#include "miibus_if.h"
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#ifdef USB_DEBUG
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static int rue_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, rue, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"USB rue");
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SYSCTL_INT(_hw_usb_rue, OID_AUTO, debug, CTLFLAG_RWTUN,
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&rue_debug, 0, "Debug level");
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#endif
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/*
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* Various supported device vendors/products.
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*/
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static const STRUCT_USB_HOST_ID rue_devs[] = {
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{USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX, 0)},
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{USB_VPI(USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_USBKR100, 0)},
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{USB_VPI(USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01, 0)},
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};
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/* prototypes */
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static device_probe_t rue_probe;
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static device_attach_t rue_attach;
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static device_detach_t rue_detach;
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static miibus_readreg_t rue_miibus_readreg;
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static miibus_writereg_t rue_miibus_writereg;
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static miibus_statchg_t rue_miibus_statchg;
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static usb_callback_t rue_intr_callback;
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static usb_callback_t rue_bulk_read_callback;
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static usb_callback_t rue_bulk_write_callback;
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static uether_fn_t rue_attach_post;
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static uether_fn_t rue_init;
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static uether_fn_t rue_stop;
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static uether_fn_t rue_start;
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static uether_fn_t rue_tick;
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static uether_fn_t rue_setmulti;
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static uether_fn_t rue_setpromisc;
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static int rue_read_mem(struct rue_softc *, uint16_t, void *, int);
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static int rue_write_mem(struct rue_softc *, uint16_t, void *, int);
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static uint8_t rue_csr_read_1(struct rue_softc *, uint16_t);
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static uint16_t rue_csr_read_2(struct rue_softc *, uint16_t);
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static int rue_csr_write_1(struct rue_softc *, uint16_t, uint8_t);
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static int rue_csr_write_2(struct rue_softc *, uint16_t, uint16_t);
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static int rue_csr_write_4(struct rue_softc *, int, uint32_t);
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static void rue_reset(struct rue_softc *);
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static int rue_ifmedia_upd(if_t);
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static void rue_ifmedia_sts(if_t, struct ifmediareq *);
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static const struct usb_config rue_config[RUE_N_TRANSFER] = {
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[RUE_BULK_DT_WR] = {
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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,
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = rue_bulk_write_callback,
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.timeout = 10000, /* 10 seconds */
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},
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[RUE_BULK_DT_RD] = {
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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),
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = rue_bulk_read_callback,
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.timeout = 0, /* no timeout */
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},
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[RUE_INTR_DT_RD] = {
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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, /* use wMaxPacketSize */
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.callback = rue_intr_callback,
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},
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};
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static device_method_t rue_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, rue_probe),
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DEVMETHOD(device_attach, rue_attach),
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DEVMETHOD(device_detach, rue_detach),
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/* MII interface */
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DEVMETHOD(miibus_readreg, rue_miibus_readreg),
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DEVMETHOD(miibus_writereg, rue_miibus_writereg),
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DEVMETHOD(miibus_statchg, rue_miibus_statchg),
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DEVMETHOD_END
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};
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static driver_t rue_driver = {
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.name = "rue",
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.methods = rue_methods,
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.size = sizeof(struct rue_softc),
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};
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DRIVER_MODULE_ORDERED(rue, uhub, rue_driver, NULL, NULL, SI_ORDER_ANY);
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DRIVER_MODULE(miibus, rue, miibus_driver, NULL, NULL);
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MODULE_DEPEND(rue, uether, 1, 1, 1);
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MODULE_DEPEND(rue, usb, 1, 1, 1);
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MODULE_DEPEND(rue, ether, 1, 1, 1);
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MODULE_DEPEND(rue, miibus, 1, 1, 1);
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MODULE_VERSION(rue, 1);
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USB_PNP_HOST_INFO(rue_devs);
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static const struct usb_ether_methods rue_ue_methods = {
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.ue_attach_post = rue_attach_post,
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.ue_start = rue_start,
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.ue_init = rue_init,
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.ue_stop = rue_stop,
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.ue_tick = rue_tick,
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.ue_setmulti = rue_setmulti,
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.ue_setpromisc = rue_setpromisc,
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.ue_mii_upd = rue_ifmedia_upd,
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.ue_mii_sts = rue_ifmedia_sts,
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};
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#define RUE_SETBIT(sc, reg, x) \
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rue_csr_write_1(sc, reg, rue_csr_read_1(sc, reg) | (x))
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#define RUE_CLRBIT(sc, reg, x) \
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rue_csr_write_1(sc, reg, rue_csr_read_1(sc, reg) & ~(x))
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static int
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rue_read_mem(struct rue_softc *sc, uint16_t addr, void *buf, int len)
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{
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struct usb_device_request req;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = UR_SET_ADDRESS;
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USETW(req.wValue, addr);
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USETW(req.wIndex, 0);
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USETW(req.wLength, len);
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return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
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}
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static int
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rue_write_mem(struct rue_softc *sc, uint16_t addr, void *buf, int len)
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{
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struct usb_device_request req;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = UR_SET_ADDRESS;
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USETW(req.wValue, addr);
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USETW(req.wIndex, 0);
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USETW(req.wLength, len);
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return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
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}
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static uint8_t
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rue_csr_read_1(struct rue_softc *sc, uint16_t reg)
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{
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uint8_t val;
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rue_read_mem(sc, reg, &val, 1);
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return (val);
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}
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static uint16_t
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rue_csr_read_2(struct rue_softc *sc, uint16_t reg)
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{
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uint8_t val[2];
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rue_read_mem(sc, reg, &val, 2);
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return (UGETW(val));
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}
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static int
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rue_csr_write_1(struct rue_softc *sc, uint16_t reg, uint8_t val)
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{
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return (rue_write_mem(sc, reg, &val, 1));
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}
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static int
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rue_csr_write_2(struct rue_softc *sc, uint16_t reg, uint16_t val)
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{
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uint8_t temp[2];
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USETW(temp, val);
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return (rue_write_mem(sc, reg, &temp, 2));
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}
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static int
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rue_csr_write_4(struct rue_softc *sc, int reg, uint32_t val)
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{
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uint8_t temp[4];
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USETDW(temp, val);
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return (rue_write_mem(sc, reg, &temp, 4));
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}
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static int
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rue_miibus_readreg(device_t dev, int phy, int reg)
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{
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struct rue_softc *sc = device_get_softc(dev);
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uint16_t rval;
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uint16_t ruereg;
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int locked;
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if (phy != 0) /* RTL8150 supports PHY == 0, only */
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return (0);
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locked = mtx_owned(&sc->sc_mtx);
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if (!locked)
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RUE_LOCK(sc);
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switch (reg) {
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case MII_BMCR:
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ruereg = RUE_BMCR;
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break;
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case MII_BMSR:
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ruereg = RUE_BMSR;
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break;
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case MII_ANAR:
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ruereg = RUE_ANAR;
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break;
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case MII_ANER:
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ruereg = RUE_AER;
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break;
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case MII_ANLPAR:
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ruereg = RUE_ANLP;
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break;
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case MII_PHYIDR1:
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case MII_PHYIDR2:
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rval = 0;
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goto done;
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default:
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if (RUE_REG_MIN <= reg && reg <= RUE_REG_MAX) {
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rval = rue_csr_read_1(sc, reg);
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goto done;
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}
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device_printf(sc->sc_ue.ue_dev, "bad phy register\n");
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rval = 0;
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goto done;
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}
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rval = rue_csr_read_2(sc, ruereg);
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done:
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if (!locked)
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RUE_UNLOCK(sc);
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return (rval);
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}
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static int
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rue_miibus_writereg(device_t dev, int phy, int reg, int data)
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{
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struct rue_softc *sc = device_get_softc(dev);
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uint16_t ruereg;
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int locked;
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if (phy != 0) /* RTL8150 supports PHY == 0, only */
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return (0);
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locked = mtx_owned(&sc->sc_mtx);
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if (!locked)
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RUE_LOCK(sc);
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switch (reg) {
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case MII_BMCR:
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ruereg = RUE_BMCR;
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break;
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case MII_BMSR:
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ruereg = RUE_BMSR;
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break;
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case MII_ANAR:
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ruereg = RUE_ANAR;
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break;
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case MII_ANER:
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ruereg = RUE_AER;
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break;
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case MII_ANLPAR:
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ruereg = RUE_ANLP;
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break;
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case MII_PHYIDR1:
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case MII_PHYIDR2:
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goto done;
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default:
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if (RUE_REG_MIN <= reg && reg <= RUE_REG_MAX) {
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rue_csr_write_1(sc, reg, data);
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goto done;
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}
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device_printf(sc->sc_ue.ue_dev, " bad phy register\n");
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goto done;
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}
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rue_csr_write_2(sc, ruereg, data);
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done:
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if (!locked)
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RUE_UNLOCK(sc);
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return (0);
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}
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static void
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rue_miibus_statchg(device_t dev)
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{
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/*
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* When the code below is enabled the card starts doing weird
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* things after link going from UP to DOWN and back UP.
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*
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* Looks like some of register writes below messes up PHY
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* interface.
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*
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* No visible regressions were found after commenting this code
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* out, so that disable it for good.
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*/
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#if 0
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struct rue_softc *sc = device_get_softc(dev);
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struct mii_data *mii = GET_MII(sc);
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uint16_t bmcr;
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int locked;
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locked = mtx_owned(&sc->sc_mtx);
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if (!locked)
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RUE_LOCK(sc);
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RUE_CLRBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
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bmcr = rue_csr_read_2(sc, RUE_BMCR);
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if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX)
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bmcr |= RUE_BMCR_SPD_SET;
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else
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bmcr &= ~RUE_BMCR_SPD_SET;
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if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
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bmcr |= RUE_BMCR_DUPLEX;
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else
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bmcr &= ~RUE_BMCR_DUPLEX;
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rue_csr_write_2(sc, RUE_BMCR, bmcr);
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RUE_SETBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
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if (!locked)
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RUE_UNLOCK(sc);
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#endif
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}
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static void
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rue_setpromisc(struct usb_ether *ue)
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{
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struct rue_softc *sc = uether_getsc(ue);
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if_t ifp = uether_getifp(ue);
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RUE_LOCK_ASSERT(sc, MA_OWNED);
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/* If we want promiscuous mode, set the allframes bit. */
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if (if_getflags(ifp) & IFF_PROMISC)
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RUE_SETBIT(sc, RUE_RCR, RUE_RCR_AAP);
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else
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RUE_CLRBIT(sc, RUE_RCR, RUE_RCR_AAP);
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}
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static u_int
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rue_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
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{
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uint32_t *hashes = arg;
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int h;
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h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 26;
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if (h < 32)
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hashes[0] |= (1 << h);
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else
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hashes[1] |= (1 << (h - 32));
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return (1);
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}
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/*
|
|
* Program the 64-bit multicast hash filter.
|
|
*/
|
|
static void
|
|
rue_setmulti(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
if_t ifp = uether_getifp(ue);
|
|
uint16_t rxcfg;
|
|
uint32_t hashes[2] = { 0, 0 };
|
|
int mcnt;
|
|
|
|
RUE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
rxcfg = rue_csr_read_2(sc, RUE_RCR);
|
|
|
|
if (if_getflags(ifp) & IFF_ALLMULTI || if_getflags(ifp) & IFF_PROMISC) {
|
|
rxcfg |= (RUE_RCR_AAM | RUE_RCR_AAP);
|
|
rxcfg &= ~RUE_RCR_AM;
|
|
rue_csr_write_2(sc, RUE_RCR, rxcfg);
|
|
rue_csr_write_4(sc, RUE_MAR0, 0xFFFFFFFF);
|
|
rue_csr_write_4(sc, RUE_MAR4, 0xFFFFFFFF);
|
|
return;
|
|
}
|
|
|
|
/* first, zot all the existing hash bits */
|
|
rue_csr_write_4(sc, RUE_MAR0, 0);
|
|
rue_csr_write_4(sc, RUE_MAR4, 0);
|
|
|
|
/* now program new ones */
|
|
mcnt = if_foreach_llmaddr(ifp, rue_hash_maddr, &hashes);
|
|
|
|
if (mcnt)
|
|
rxcfg |= RUE_RCR_AM;
|
|
else
|
|
rxcfg &= ~RUE_RCR_AM;
|
|
|
|
rxcfg &= ~(RUE_RCR_AAM | RUE_RCR_AAP);
|
|
|
|
rue_csr_write_2(sc, RUE_RCR, rxcfg);
|
|
rue_csr_write_4(sc, RUE_MAR0, hashes[0]);
|
|
rue_csr_write_4(sc, RUE_MAR4, hashes[1]);
|
|
}
|
|
|
|
static void
|
|
rue_reset(struct rue_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
rue_csr_write_1(sc, RUE_CR, RUE_CR_SOFT_RST);
|
|
|
|
for (i = 0; i != RUE_TIMEOUT; i++) {
|
|
if (uether_pause(&sc->sc_ue, hz / 1000))
|
|
break;
|
|
if (!(rue_csr_read_1(sc, RUE_CR) & RUE_CR_SOFT_RST))
|
|
break;
|
|
}
|
|
if (i == RUE_TIMEOUT)
|
|
device_printf(sc->sc_ue.ue_dev, "reset never completed\n");
|
|
|
|
uether_pause(&sc->sc_ue, hz / 100);
|
|
}
|
|
|
|
static void
|
|
rue_attach_post(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
|
|
/* reset the adapter */
|
|
rue_reset(sc);
|
|
|
|
/* get station address from the EEPROM */
|
|
rue_read_mem(sc, RUE_EEPROM_IDR0, ue->ue_eaddr, ETHER_ADDR_LEN);
|
|
}
|
|
|
|
/*
|
|
* Probe for a RTL8150 chip.
|
|
*/
|
|
static int
|
|
rue_probe(device_t dev)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
|
|
if (uaa->usb_mode != USB_MODE_HOST)
|
|
return (ENXIO);
|
|
if (uaa->info.bConfigIndex != RUE_CONFIG_IDX)
|
|
return (ENXIO);
|
|
if (uaa->info.bIfaceIndex != RUE_IFACE_IDX)
|
|
return (ENXIO);
|
|
|
|
return (usbd_lookup_id_by_uaa(rue_devs, sizeof(rue_devs), uaa));
|
|
}
|
|
|
|
/*
|
|
* Attach the interface. Allocate softc structures, do ifmedia
|
|
* setup and ethernet/BPF attach.
|
|
*/
|
|
static int
|
|
rue_attach(device_t dev)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
struct rue_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
uint8_t iface_index;
|
|
int error;
|
|
|
|
device_set_usb_desc(dev);
|
|
mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
|
|
|
|
iface_index = RUE_IFACE_IDX;
|
|
error = usbd_transfer_setup(uaa->device, &iface_index,
|
|
sc->sc_xfer, rue_config, RUE_N_TRANSFER,
|
|
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 = &rue_ue_methods;
|
|
|
|
error = uether_ifattach(ue);
|
|
if (error) {
|
|
device_printf(dev, "could not attach interface\n");
|
|
goto detach;
|
|
}
|
|
return (0); /* success */
|
|
|
|
detach:
|
|
rue_detach(dev);
|
|
return (ENXIO); /* failure */
|
|
}
|
|
|
|
static int
|
|
rue_detach(device_t dev)
|
|
{
|
|
struct rue_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, RUE_N_TRANSFER);
|
|
uether_ifdetach(ue);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
rue_intr_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct rue_softc *sc = usbd_xfer_softc(xfer);
|
|
if_t ifp = uether_getifp(&sc->sc_ue);
|
|
struct rue_intrpkt pkt;
|
|
struct usb_page_cache *pc;
|
|
int actlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
if (ifp && (if_getdrvflags(ifp) & IFF_DRV_RUNNING) &&
|
|
actlen >= (int)sizeof(pkt)) {
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, 0, &pkt, sizeof(pkt));
|
|
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, pkt.rue_rxlost_cnt);
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, pkt.rue_crcerr_cnt);
|
|
if_inc_counter(ifp, IFCOUNTER_COLLISIONS, pkt.rue_col_cnt);
|
|
}
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rue_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct rue_softc *sc = usbd_xfer_softc(xfer);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
if_t ifp = uether_getifp(ue);
|
|
struct usb_page_cache *pc;
|
|
uint16_t status;
|
|
int actlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
if (actlen < 4) {
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
|
|
goto tr_setup;
|
|
}
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, actlen - 4, &status, sizeof(status));
|
|
actlen -= 4;
|
|
|
|
/* check receive packet was valid or not */
|
|
status = le16toh(status);
|
|
if ((status & RUE_RXSTAT_VALID) == 0) {
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
|
|
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: /* Error */
|
|
DPRINTF("bulk read error, %s\n",
|
|
usbd_errstr(error));
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rue_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct rue_softc *sc = usbd_xfer_softc(xfer);
|
|
if_t ifp = uether_getifp(&sc->sc_ue);
|
|
struct usb_page_cache *pc;
|
|
struct mbuf *m;
|
|
int temp_len;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
DPRINTFN(11, "transfer complete\n");
|
|
if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
if ((sc->sc_flags & RUE_FLAG_LINK) == 0) {
|
|
/*
|
|
* don't send anything if there is no link !
|
|
*/
|
|
return;
|
|
}
|
|
m = if_dequeue(ifp);
|
|
|
|
if (m == NULL)
|
|
return;
|
|
if (m->m_pkthdr.len > MCLBYTES)
|
|
m->m_pkthdr.len = MCLBYTES;
|
|
temp_len = m->m_pkthdr.len;
|
|
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
|
|
|
|
/*
|
|
* This is an undocumented behavior.
|
|
* RTL8150 chip doesn't send frame length smaller than
|
|
* RUE_MIN_FRAMELEN (60) byte packet.
|
|
*/
|
|
if (temp_len < RUE_MIN_FRAMELEN) {
|
|
usbd_frame_zero(pc, temp_len,
|
|
RUE_MIN_FRAMELEN - temp_len);
|
|
temp_len = RUE_MIN_FRAMELEN;
|
|
}
|
|
usbd_xfer_set_frame_len(xfer, 0, temp_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);
|
|
|
|
return;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(11, "transfer error, %s\n",
|
|
usbd_errstr(error));
|
|
|
|
if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rue_tick(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
RUE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
mii_tick(mii);
|
|
if ((sc->sc_flags & RUE_FLAG_LINK) == 0
|
|
&& mii->mii_media_status & IFM_ACTIVE &&
|
|
IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
|
|
sc->sc_flags |= RUE_FLAG_LINK;
|
|
rue_start(ue);
|
|
}
|
|
}
|
|
|
|
static void
|
|
rue_start(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
|
|
/*
|
|
* start the USB transfers, if not already started:
|
|
*/
|
|
usbd_transfer_start(sc->sc_xfer[RUE_INTR_DT_RD]);
|
|
usbd_transfer_start(sc->sc_xfer[RUE_BULK_DT_RD]);
|
|
usbd_transfer_start(sc->sc_xfer[RUE_BULK_DT_WR]);
|
|
}
|
|
|
|
static void
|
|
rue_init(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
if_t ifp = uether_getifp(ue);
|
|
|
|
RUE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
/*
|
|
* Cancel pending I/O
|
|
*/
|
|
rue_reset(sc);
|
|
|
|
/* Set MAC address */
|
|
rue_write_mem(sc, RUE_IDR0, if_getlladdr(ifp), ETHER_ADDR_LEN);
|
|
|
|
rue_stop(ue);
|
|
|
|
/*
|
|
* Set the initial TX and RX configuration.
|
|
*/
|
|
rue_csr_write_1(sc, RUE_TCR, RUE_TCR_CONFIG);
|
|
rue_csr_write_2(sc, RUE_RCR, RUE_RCR_CONFIG|RUE_RCR_AB);
|
|
|
|
/* Load the multicast filter */
|
|
rue_setpromisc(ue);
|
|
/* Load the multicast filter. */
|
|
rue_setmulti(ue);
|
|
|
|
/* Enable RX and TX */
|
|
rue_csr_write_1(sc, RUE_CR, (RUE_CR_TE | RUE_CR_RE | RUE_CR_EP3CLREN));
|
|
|
|
usbd_xfer_set_stall(sc->sc_xfer[RUE_BULK_DT_WR]);
|
|
|
|
if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
|
|
rue_start(ue);
|
|
}
|
|
|
|
/*
|
|
* Set media options.
|
|
*/
|
|
static int
|
|
rue_ifmedia_upd(if_t ifp)
|
|
{
|
|
struct rue_softc *sc = if_getsoftc(ifp);
|
|
struct mii_data *mii = GET_MII(sc);
|
|
struct mii_softc *miisc;
|
|
int error;
|
|
|
|
RUE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
sc->sc_flags &= ~RUE_FLAG_LINK;
|
|
LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
|
|
PHY_RESET(miisc);
|
|
error = mii_mediachg(mii);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Report current media status.
|
|
*/
|
|
static void
|
|
rue_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr)
|
|
{
|
|
struct rue_softc *sc = if_getsoftc(ifp);
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
RUE_LOCK(sc);
|
|
mii_pollstat(mii);
|
|
ifmr->ifm_active = mii->mii_media_active;
|
|
ifmr->ifm_status = mii->mii_media_status;
|
|
RUE_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
rue_stop(struct usb_ether *ue)
|
|
{
|
|
struct rue_softc *sc = uether_getsc(ue);
|
|
if_t ifp = uether_getifp(ue);
|
|
|
|
RUE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
|
|
sc->sc_flags &= ~RUE_FLAG_LINK;
|
|
|
|
/*
|
|
* stop all the transfers, if not already stopped:
|
|
*/
|
|
usbd_transfer_stop(sc->sc_xfer[RUE_BULK_DT_WR]);
|
|
usbd_transfer_stop(sc->sc_xfer[RUE_BULK_DT_RD]);
|
|
usbd_transfer_stop(sc->sc_xfer[RUE_INTR_DT_RD]);
|
|
|
|
rue_csr_write_1(sc, RUE_CR, 0x00);
|
|
|
|
rue_reset(sc);
|
|
}
|