ece4b0bd43
be set before the USB device(s) are probed.
881 lines
21 KiB
C
881 lines
21 KiB
C
/* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */
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/* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 2003
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* Shingo WATANABE <nabe@nabechan.org>. 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. 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 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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/*
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* DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
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* The spec can be found at the following url.
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* http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf
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*/
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/*
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* TODO:
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* Interrupt Endpoint support
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* External PHYs
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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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 <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 udav_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_udavreg.h>
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/* prototypes */
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static device_probe_t udav_probe;
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static device_attach_t udav_attach;
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static device_detach_t udav_detach;
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static usb_callback_t udav_bulk_write_callback;
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static usb_callback_t udav_bulk_read_callback;
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static usb_callback_t udav_intr_callback;
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static uether_fn_t udav_attach_post;
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static uether_fn_t udav_init;
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static uether_fn_t udav_stop;
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static uether_fn_t udav_start;
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static uether_fn_t udav_tick;
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static uether_fn_t udav_setmulti;
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static uether_fn_t udav_setpromisc;
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static int udav_csr_read(struct udav_softc *, uint16_t, void *, int);
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static int udav_csr_write(struct udav_softc *, uint16_t, void *, int);
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static uint8_t udav_csr_read1(struct udav_softc *, uint16_t);
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static int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t);
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static void udav_reset(struct udav_softc *);
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static int udav_ifmedia_upd(struct ifnet *);
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static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
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static miibus_readreg_t udav_miibus_readreg;
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static miibus_writereg_t udav_miibus_writereg;
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static miibus_statchg_t udav_miibus_statchg;
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static const struct usb_config udav_config[UDAV_N_TRANSFER] = {
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[UDAV_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 + 2),
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = udav_bulk_write_callback,
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.timeout = 10000, /* 10 seconds */
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},
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[UDAV_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 + 3),
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = udav_bulk_read_callback,
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.timeout = 0, /* no timeout */
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},
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[UDAV_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 = udav_intr_callback,
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},
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};
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static device_method_t udav_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, udav_probe),
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DEVMETHOD(device_attach, udav_attach),
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DEVMETHOD(device_detach, udav_detach),
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/* MII interface */
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DEVMETHOD(miibus_readreg, udav_miibus_readreg),
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DEVMETHOD(miibus_writereg, udav_miibus_writereg),
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DEVMETHOD(miibus_statchg, udav_miibus_statchg),
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DEVMETHOD_END
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};
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static driver_t udav_driver = {
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.name = "udav",
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.methods = udav_methods,
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.size = sizeof(struct udav_softc),
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};
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static devclass_t udav_devclass;
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DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0);
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DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
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MODULE_DEPEND(udav, uether, 1, 1, 1);
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MODULE_DEPEND(udav, usb, 1, 1, 1);
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MODULE_DEPEND(udav, ether, 1, 1, 1);
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MODULE_DEPEND(udav, miibus, 1, 1, 1);
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MODULE_VERSION(udav, 1);
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static const struct usb_ether_methods udav_ue_methods = {
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.ue_attach_post = udav_attach_post,
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.ue_start = udav_start,
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.ue_init = udav_init,
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.ue_stop = udav_stop,
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.ue_tick = udav_tick,
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.ue_setmulti = udav_setmulti,
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.ue_setpromisc = udav_setpromisc,
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.ue_mii_upd = udav_ifmedia_upd,
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.ue_mii_sts = udav_ifmedia_status,
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};
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static const struct usb_ether_methods udav_ue_methods_nophy = {
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.ue_attach_post = udav_attach_post,
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.ue_start = udav_start,
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.ue_init = udav_init,
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.ue_stop = udav_stop,
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.ue_setmulti = udav_setmulti,
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.ue_setpromisc = udav_setpromisc,
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};
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#ifdef USB_DEBUG
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static int udav_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
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SYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RWTUN, &udav_debug, 0,
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"Debug level");
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#endif
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#define UDAV_SETBIT(sc, reg, x) \
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udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
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#define UDAV_CLRBIT(sc, reg, x) \
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udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
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static const STRUCT_USB_HOST_ID udav_devs[] = {
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/* ShanTou DM9601 USB NIC */
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{USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
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/* ShanTou ST268 USB NIC */
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{USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
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/* Corega USB-TXC */
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{USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
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/* ShanTou AMD8515 USB NIC */
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{USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)},
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/* Kontron AG USB Ethernet */
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{USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)},
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{USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082,
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UDAV_FLAG_NO_PHY)},
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};
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static void
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udav_attach_post(struct usb_ether *ue)
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{
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struct udav_softc *sc = uether_getsc(ue);
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/* reset the adapter */
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udav_reset(sc);
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/* Get Ethernet Address */
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udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN);
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}
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static int
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udav_probe(device_t dev)
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{
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struct usb_attach_arg *uaa = device_get_ivars(dev);
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if (uaa->usb_mode != USB_MODE_HOST)
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return (ENXIO);
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if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX)
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return (ENXIO);
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if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX)
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return (ENXIO);
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return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
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}
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static int
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udav_attach(device_t dev)
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{
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struct usb_attach_arg *uaa = device_get_ivars(dev);
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struct udav_softc *sc = device_get_softc(dev);
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struct usb_ether *ue = &sc->sc_ue;
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uint8_t iface_index;
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int error;
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sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
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device_set_usb_desc(dev);
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mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
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iface_index = UDAV_IFACE_INDEX;
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error = usbd_transfer_setup(uaa->device, &iface_index,
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sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
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if (error) {
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device_printf(dev, "allocating USB transfers failed\n");
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goto detach;
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}
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/*
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* The JP1082 has an unusable PHY and provides no link information.
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*/
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if (sc->sc_flags & UDAV_FLAG_NO_PHY) {
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ue->ue_methods = &udav_ue_methods_nophy;
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sc->sc_flags |= UDAV_FLAG_LINK;
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} else {
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ue->ue_methods = &udav_ue_methods;
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}
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ue->ue_sc = sc;
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ue->ue_dev = dev;
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ue->ue_udev = uaa->device;
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ue->ue_mtx = &sc->sc_mtx;
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error = uether_ifattach(ue);
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if (error) {
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device_printf(dev, "could not attach interface\n");
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goto detach;
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}
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return (0); /* success */
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detach:
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udav_detach(dev);
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return (ENXIO); /* failure */
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}
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static int
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udav_detach(device_t dev)
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{
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struct udav_softc *sc = device_get_softc(dev);
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struct usb_ether *ue = &sc->sc_ue;
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usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
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uether_ifdetach(ue);
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mtx_destroy(&sc->sc_mtx);
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return (0);
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}
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#if 0
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static int
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udav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
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int len)
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{
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struct usb_device_request req;
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len &= 0xff;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_MEM_READ;
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USETW(req.wValue, 0x0000);
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USETW(req.wIndex, offset);
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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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udav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
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int len)
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{
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struct usb_device_request req;
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len &= 0xff;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_MEM_WRITE;
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USETW(req.wValue, 0x0000);
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USETW(req.wIndex, offset);
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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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udav_mem_write1(struct udav_softc *sc, uint16_t offset,
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uint8_t ch)
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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 = UDAV_REQ_MEM_WRITE1;
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USETW(req.wValue, ch);
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USETW(req.wIndex, offset);
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USETW(req.wLength, 0x0000);
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return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
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}
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#endif
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static int
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udav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len)
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{
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struct usb_device_request req;
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len &= 0xff;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_REG_READ;
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USETW(req.wValue, 0x0000);
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USETW(req.wIndex, offset);
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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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udav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len)
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{
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struct usb_device_request req;
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offset &= 0xff;
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len &= 0xff;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_REG_WRITE;
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USETW(req.wValue, 0x0000);
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USETW(req.wIndex, offset);
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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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udav_csr_read1(struct udav_softc *sc, uint16_t offset)
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{
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uint8_t val;
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udav_csr_read(sc, offset, &val, 1);
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return (val);
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}
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static int
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udav_csr_write1(struct udav_softc *sc, uint16_t offset,
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uint8_t ch)
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{
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struct usb_device_request req;
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offset &= 0xff;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_REG_WRITE1;
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USETW(req.wValue, ch);
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USETW(req.wIndex, offset);
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USETW(req.wLength, 0x0000);
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return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
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}
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static void
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udav_init(struct usb_ether *ue)
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{
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struct udav_softc *sc = ue->ue_sc;
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struct ifnet *ifp = uether_getifp(&sc->sc_ue);
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UDAV_LOCK_ASSERT(sc, MA_OWNED);
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/*
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* Cancel pending I/O
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*/
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udav_stop(ue);
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/* set MAC address */
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udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN);
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/* initialize network control register */
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/* disable loopback */
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UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
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/* Initialize RX control register */
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UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
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/* load multicast filter and update promiscious mode bit */
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udav_setpromisc(ue);
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/* enable RX */
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UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
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/* clear POWER_DOWN state of internal PHY */
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UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
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UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
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usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]);
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ifp->if_drv_flags |= IFF_DRV_RUNNING;
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udav_start(ue);
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}
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static void
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udav_reset(struct udav_softc *sc)
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{
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int i;
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/* Select PHY */
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#if 1
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/*
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* XXX: force select internal phy.
|
|
* external phy routines are not tested.
|
|
*/
|
|
UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
#else
|
|
if (sc->sc_flags & UDAV_EXT_PHY)
|
|
UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
else
|
|
UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
#endif
|
|
|
|
UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
|
|
|
|
for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
|
|
if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
|
|
break;
|
|
if (uether_pause(&sc->sc_ue, hz / 100))
|
|
break;
|
|
}
|
|
|
|
uether_pause(&sc->sc_ue, hz / 100);
|
|
}
|
|
|
|
#define UDAV_BITS 6
|
|
static void
|
|
udav_setmulti(struct usb_ether *ue)
|
|
{
|
|
struct udav_softc *sc = ue->ue_sc;
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct ifmultiaddr *ifma;
|
|
uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
int h = 0;
|
|
|
|
UDAV_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
|
|
UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
|
|
return;
|
|
}
|
|
|
|
/* first, zot all the existing hash bits */
|
|
memset(hashtbl, 0x00, sizeof(hashtbl));
|
|
hashtbl[7] |= 0x80; /* broadcast address */
|
|
udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
|
|
|
|
/* now program new ones */
|
|
if_maddr_rlock(ifp);
|
|
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
|
|
{
|
|
if (ifma->ifma_addr->sa_family != AF_LINK)
|
|
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);
|
|
|
|
/* disable all multicast */
|
|
UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
|
|
|
|
/* write hash value to the register */
|
|
udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
|
|
}
|
|
|
|
static void
|
|
udav_setpromisc(struct usb_ether *ue)
|
|
{
|
|
struct udav_softc *sc = ue->ue_sc;
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
uint8_t rxmode;
|
|
|
|
rxmode = udav_csr_read1(sc, UDAV_RCR);
|
|
rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
|
|
|
|
if (ifp->if_flags & IFF_PROMISC)
|
|
rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
|
|
else if (ifp->if_flags & IFF_ALLMULTI)
|
|
rxmode |= UDAV_RCR_ALL;
|
|
|
|
/* write new mode bits */
|
|
udav_csr_write1(sc, UDAV_RCR, rxmode);
|
|
}
|
|
|
|
static void
|
|
udav_start(struct usb_ether *ue)
|
|
{
|
|
struct udav_softc *sc = ue->ue_sc;
|
|
|
|
/*
|
|
* start the USB transfers, if not already started:
|
|
*/
|
|
usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
|
|
usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
|
|
usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
|
|
}
|
|
|
|
static void
|
|
udav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct udav_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct usb_page_cache *pc;
|
|
struct mbuf *m;
|
|
int extra_len;
|
|
int temp_len;
|
|
uint8_t buf[2];
|
|
|
|
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 & UDAV_FLAG_LINK) == 0) {
|
|
/*
|
|
* don't send anything if there is no link !
|
|
*/
|
|
return;
|
|
}
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
|
|
|
|
if (m == NULL)
|
|
return;
|
|
if (m->m_pkthdr.len > MCLBYTES)
|
|
m->m_pkthdr.len = MCLBYTES;
|
|
if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
|
|
extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
|
|
} else {
|
|
extra_len = 0;
|
|
}
|
|
|
|
temp_len = (m->m_pkthdr.len + extra_len);
|
|
|
|
/*
|
|
* the frame length is specified in the first 2 bytes of the
|
|
* buffer
|
|
*/
|
|
buf[0] = (uint8_t)(temp_len);
|
|
buf[1] = (uint8_t)(temp_len >> 8);
|
|
|
|
temp_len += 2;
|
|
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_in(pc, 0, buf, 2);
|
|
usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len);
|
|
|
|
if (extra_len)
|
|
usbd_frame_zero(pc, temp_len - extra_len, extra_len);
|
|
/*
|
|
* if there's a BPF listener, bounce a copy
|
|
* of this frame to him:
|
|
*/
|
|
BPF_MTAP(ifp, m);
|
|
|
|
m_freem(m);
|
|
|
|
usbd_xfer_set_frame_len(xfer, 0, temp_len);
|
|
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
|
|
udav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct udav_softc *sc = usbd_xfer_softc(xfer);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
struct usb_page_cache *pc;
|
|
struct udav_rxpkt stat;
|
|
int len;
|
|
int actlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) {
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
|
|
goto tr_setup;
|
|
}
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, 0, &stat, sizeof(stat));
|
|
actlen -= sizeof(stat);
|
|
len = min(actlen, le16toh(stat.pktlen));
|
|
len -= ETHER_CRC_LEN;
|
|
|
|
if (stat.rxstat & UDAV_RSR_LCS) {
|
|
if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1);
|
|
goto tr_setup;
|
|
}
|
|
if (stat.rxstat & UDAV_RSR_ERR) {
|
|
if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
|
|
goto tr_setup;
|
|
}
|
|
uether_rxbuf(ue, pc, sizeof(stat), len);
|
|
/* 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
|
|
udav_intr_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
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
|
|
udav_stop(struct usb_ether *ue)
|
|
{
|
|
struct udav_softc *sc = ue->ue_sc;
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
|
|
UDAV_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
if (!(sc->sc_flags & UDAV_FLAG_NO_PHY))
|
|
sc->sc_flags &= ~UDAV_FLAG_LINK;
|
|
|
|
/*
|
|
* stop all the transfers, if not already stopped:
|
|
*/
|
|
usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
|
|
usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
|
|
usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
|
|
|
|
udav_reset(sc);
|
|
}
|
|
|
|
static int
|
|
udav_ifmedia_upd(struct ifnet *ifp)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
struct mii_softc *miisc;
|
|
int error;
|
|
|
|
UDAV_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
sc->sc_flags &= ~UDAV_FLAG_LINK;
|
|
LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
|
|
PHY_RESET(miisc);
|
|
error = mii_mediachg(mii);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
UDAV_LOCK(sc);
|
|
mii_pollstat(mii);
|
|
ifmr->ifm_active = mii->mii_media_active;
|
|
ifmr->ifm_status = mii->mii_media_status;
|
|
UDAV_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
udav_tick(struct usb_ether *ue)
|
|
{
|
|
struct udav_softc *sc = ue->ue_sc;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
UDAV_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
mii_tick(mii);
|
|
if ((sc->sc_flags & UDAV_FLAG_LINK) == 0
|
|
&& mii->mii_media_status & IFM_ACTIVE &&
|
|
IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
|
|
sc->sc_flags |= UDAV_FLAG_LINK;
|
|
udav_start(ue);
|
|
}
|
|
}
|
|
|
|
static int
|
|
udav_miibus_readreg(device_t dev, int phy, int reg)
|
|
{
|
|
struct udav_softc *sc = device_get_softc(dev);
|
|
uint16_t data16;
|
|
uint8_t val[2];
|
|
int locked;
|
|
|
|
/* XXX: one PHY only for the internal PHY */
|
|
if (phy != 0)
|
|
return (0);
|
|
|
|
locked = mtx_owned(&sc->sc_mtx);
|
|
if (!locked)
|
|
UDAV_LOCK(sc);
|
|
|
|
/* select internal PHY and set PHY register address */
|
|
udav_csr_write1(sc, UDAV_EPAR,
|
|
UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
|
|
|
|
/* select PHY operation and start read command */
|
|
udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
|
|
|
|
/* XXX: should we wait? */
|
|
|
|
/* end read command */
|
|
UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
|
|
|
|
/* retrieve the result from data registers */
|
|
udav_csr_read(sc, UDAV_EPDRL, val, 2);
|
|
|
|
data16 = (val[0] | (val[1] << 8));
|
|
|
|
DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
|
|
phy, reg, data16);
|
|
|
|
if (!locked)
|
|
UDAV_UNLOCK(sc);
|
|
return (data16);
|
|
}
|
|
|
|
static int
|
|
udav_miibus_writereg(device_t dev, int phy, int reg, int data)
|
|
{
|
|
struct udav_softc *sc = device_get_softc(dev);
|
|
uint8_t val[2];
|
|
int locked;
|
|
|
|
/* XXX: one PHY only for the internal PHY */
|
|
if (phy != 0)
|
|
return (0);
|
|
|
|
locked = mtx_owned(&sc->sc_mtx);
|
|
if (!locked)
|
|
UDAV_LOCK(sc);
|
|
|
|
/* select internal PHY and set PHY register address */
|
|
udav_csr_write1(sc, UDAV_EPAR,
|
|
UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
|
|
|
|
/* put the value to the data registers */
|
|
val[0] = (data & 0xff);
|
|
val[1] = (data >> 8) & 0xff;
|
|
udav_csr_write(sc, UDAV_EPDRL, val, 2);
|
|
|
|
/* select PHY operation and start write command */
|
|
udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
|
|
|
|
/* XXX: should we wait? */
|
|
|
|
/* end write command */
|
|
UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
|
|
|
|
if (!locked)
|
|
UDAV_UNLOCK(sc);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
udav_miibus_statchg(device_t dev)
|
|
{
|
|
/* nothing to do */
|
|
}
|