PERFORCE change 105308 for review
Hans Petter Selasky
hselasky at FreeBSD.org
Wed Aug 30 07:06:36 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=105308
Change 105308 by hselasky at hselasky_mini_itx on 2006/08/30 07:05:44
Finished reworking "if_rue". Should be big-endian safe now.
Please test!
Affected files ...
.. //depot/projects/usb/src/sys/dev/usb/if_rue.c#4 edit
.. //depot/projects/usb/src/sys/dev/usb/if_ruereg.h#3 add
Differences ...
==== //depot/projects/usb/src/sys/dev/usb/if_rue.c#4 (text+ko) ====
@@ -1,0 +1,1528 @@
+/*-
+ * Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama at FreeBSD.org>.
+ * Copyright (c) 1997, 1998, 1999, 2000 Bill Paul <wpaul at ee.columbia.edu>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*-
+ * Copyright (c) 1997, 1998, 1999, 2000
+ * Bill Paul <wpaul at ee.columbia.edu>. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * RealTek RTL8150 USB to fast ethernet controller driver.
+ * Datasheet is available from
+ * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/.
+ */
+
+/*
+ * NOTE: all function names beginning like "rue_cfg_" can only
+ * be called from within the config thread function !
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/endian.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <net/bpf.h>
+
+#define usbd_config_td_cc rue_config_copy
+#define usbd_config_td_softc rue_softc
+
+#include <dev/usb/usb_port.h>
+#include <dev/usb/usb.h>
+#include <dev/usb/usb_subr.h>
+
+#include "usbdevs.h"
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <dev/usb/if_ruereg.h>
+
+/* "device miibus" required. See GENERIC if you get errors here. */
+#include "miibus_if.h"
+
+__FBSDID("$FreeBSD: src/sys/dev/usb/if_rue.c,v 1.28 2006/02/14 12:44:55 glebius Exp $");
+
+#ifdef USB_DEBUG
+#define DPRINTF(sc,n,fmt,...) \
+ do { if (rue_debug > (n)) { \
+ printf("%s:%s: " fmt, (sc)->sc_name, \
+ __FUNCTION__,## __VA_ARGS__); } } while (0)
+
+static int rue_debug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, rue, CTLFLAG_RW, 0, "USB rue");
+SYSCTL_INT(_hw_usb_rue, OID_AUTO, debug, CTLFLAG_RW,
+ &rue_debug, 0, "rue debug level");
+#else
+#define DPRINTF(...)
+#endif
+
+/*
+ * Various supported device vendors/products.
+ */
+
+static struct rue_type rue_devs[] = {
+ { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX },
+ { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_USBKR100 },
+ { 0, 0 }
+};
+
+/* prototypes */
+
+static device_probe_t rue_probe;
+static device_attach_t rue_attach;
+static device_detach_t rue_detach;
+static device_shutdown_t rue_shutdown;
+
+static void
+rue_cfg_do_request(struct rue_softc *sc, usb_device_request_t *req,
+ void *data);
+static void
+rue_cfg_read_mem(struct rue_softc *sc, u_int16_t addr, void *buf,
+ u_int16_t len);
+static void
+rue_cfg_write_mem(struct rue_softc *sc, u_int16_t addr, void *buf,
+ u_int16_t len);
+static u_int8_t
+rue_cfg_csr_read_1(struct rue_softc *sc, u_int16_t reg);
+
+static u_int16_t
+rue_cfg_csr_read_2(struct rue_softc *sc, u_int16_t reg);
+
+static void
+rue_cfg_csr_write_1(struct rue_softc *sc, u_int16_t reg, u_int8_t val);
+
+static void
+rue_cfg_csr_write_2(struct rue_softc *sc, u_int16_t reg, u_int16_t val);
+
+static void
+rue_cfg_csr_write_4(struct rue_softc *sc, int reg, u_int32_t val);
+
+static int
+rue_cfg_miibus_readreg(device_t dev, int phy, int reg);
+
+static int
+rue_cfg_miibus_writereg(device_t dev, int phy, int reg, int data);
+
+static void
+rue_cfg_miibus_statchg(device_t dev);
+
+static void
+rue_config_copy(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static void
+rue_cfg_promisc_upd(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static void
+rue_cfg_reset(struct rue_softc *sc);
+
+static void
+rue_cfg_first_time_setup(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static void
+rue_intr_clear_stall_callback(struct usbd_xfer *xfer);
+
+static void
+rue_intr_callback(struct usbd_xfer *xfer);
+
+static void
+rue_bulk_read_clear_stall_callback(struct usbd_xfer *xfer);
+
+static void
+rue_bulk_read_callback(struct usbd_xfer *xfer);
+
+static void
+rue_bulk_write_clear_stall_callback(struct usbd_xfer *xfer);
+
+static void
+rue_bulk_write_callback(struct usbd_xfer *xfer);
+
+static void
+rue_cfg_tick(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static void
+rue_start_cb(struct ifnet *ifp);
+
+static void
+rue_start_transfers(struct rue_softc *sc);
+
+static void
+rue_init_cb(void *arg);
+
+static void
+rue_cfg_init(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static int
+rue_ifmedia_upd_cb(struct ifnet *ifp);
+
+static void
+rue_cfg_ifmedia_upd(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+static void
+rue_ifmedia_sts_cb(struct ifnet *ifp, struct ifmediareq *ifmr);
+
+static int
+rue_ioctl_cb(struct ifnet *ifp, u_long command, caddr_t data);
+
+static void
+rue_watchdog(void *arg);
+
+static void
+rue_cfg_stop(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount);
+
+static const struct usbd_config rue_config[RUE_ENDPT_MAX] = {
+
+ [0] = {
+ .type = UE_BULK,
+ .endpoint = -1, /* any */
+ .direction = UE_DIR_OUT,
+ .bufsize = MCLBYTES,
+ .flags = (USBD_USE_DMA|USBD_FORCE_SHORT_XFER),
+ .callback = &rue_bulk_write_callback,
+ .timeout = 10000, /* 10 seconds */
+ },
+
+ [1] = {
+ .type = UE_BULK,
+ .endpoint = -1, /* any */
+ .direction = UE_DIR_IN,
+ .bufsize = (MCLBYTES + 4),
+ .flags = (USBD_USE_DMA|USBD_SHORT_XFER_OK),
+ .callback = &rue_bulk_read_callback,
+ .timeout = 0, /* no timeout */
+ },
+
+ [2] = {
+ .type = UE_CONTROL,
+ .endpoint = 0x00, /* Control pipe */
+ .direction = -1,
+ .bufsize = sizeof(usb_device_request_t),
+ .flags = USBD_USE_DMA,
+ .callback = &rue_bulk_write_clear_stall_callback,
+ .timeout = 1000, /* 1 second */
+ },
+
+ [3] = {
+ .type = UE_CONTROL,
+ .endpoint = 0x00, /* Control pipe */
+ .direction = -1,
+ .bufsize = sizeof(usb_device_request_t),
+ .flags = USBD_USE_DMA,
+ .callback = &rue_bulk_read_clear_stall_callback,
+ .timeout = 1000, /* 1 second */
+ },
+
+ [4] = {
+ .type = UE_INTERRUPT,
+ .endpoint = -1, /* any */
+ .direction = UE_DIR_IN,
+ .flags = USBD_SHORT_XFER_OK,
+ .bufsize = 0, /* use wMaxPacketSize */
+ .callback = &rue_intr_callback,
+ },
+
+ [5] = {
+ .type = UE_CONTROL,
+ .endpoint = 0x00, /* Control pipe */
+ .direction = -1,
+ .bufsize = sizeof(usb_device_request_t),
+ .flags = USBD_USE_DMA,
+ .callback = &rue_intr_clear_stall_callback,
+ .timeout = 1000, /* 1 second */
+ },
+};
+
+static device_method_t rue_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, rue_probe),
+ DEVMETHOD(device_attach, rue_attach),
+ DEVMETHOD(device_detach, rue_detach),
+ DEVMETHOD(device_shutdown, rue_shutdown),
+
+ /* Bus interface */
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+ DEVMETHOD(bus_driver_added, bus_generic_driver_added),
+
+ /* MII interface */
+ DEVMETHOD(miibus_readreg, rue_cfg_miibus_readreg),
+ DEVMETHOD(miibus_writereg, rue_cfg_miibus_writereg),
+ DEVMETHOD(miibus_statchg, rue_cfg_miibus_statchg),
+
+ { 0, 0 }
+};
+
+static driver_t rue_driver = {
+ "rue",
+ rue_methods,
+ sizeof(struct rue_softc)
+};
+
+static devclass_t rue_devclass;
+
+DRIVER_MODULE(rue, uhub, rue_driver, rue_devclass, usbd_driver_load, 0);
+DRIVER_MODULE(miibus, rue, miibus_driver, miibus_devclass, 0, 0);
+MODULE_DEPEND(rue, usb, 1, 1, 1);
+MODULE_DEPEND(rue, ether, 1, 1, 1);
+MODULE_DEPEND(rue, miibus, 1, 1, 1);
+
+static void
+rue_cfg_do_request(struct rue_softc *sc, usb_device_request_t *req,
+ void *data)
+{
+ u_int16_t length;
+ usbd_status err;
+
+ if (usbd_config_td_is_gone(&(sc->sc_config_td))) {
+ goto error;
+ }
+
+ err = usbd_do_request_flags_mtx(sc->sc_udev, &(sc->sc_mtx), req,
+ data, 0, NULL, 1000);
+
+ if (err) {
+
+ DPRINTF(sc, 0, "device request failed, err=%s "
+ "(ignored)\n", usbd_errstr(err));
+
+ error:
+ length = UGETW(req->wLength);
+
+ if ((req->bmRequestType & UT_READ) && length) {
+ bzero(data, length);
+ }
+ }
+ return;
+}
+
+#define RUE_CFG_SETBIT(sc, reg, x) \
+ rue_cfg_csr_write_1(sc, reg, rue_cfg_csr_read_1(sc, reg) | (x))
+
+#define RUE_CFG_CLRBIT(sc, reg, x) \
+ rue_cfg_csr_write_1(sc, reg, rue_cfg_csr_read_1(sc, reg) & ~(x))
+
+static void
+rue_cfg_read_mem(struct rue_softc *sc, u_int16_t addr, void *buf,
+ u_int16_t len)
+{
+ usb_device_request_t req;
+
+ req.bmRequestType = UT_READ_VENDOR_DEVICE;
+ req.bRequest = UR_SET_ADDRESS;
+ USETW(req.wValue, addr);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, len);
+
+ rue_cfg_do_request(sc, &req, buf);
+ return;
+}
+
+static void
+rue_cfg_write_mem(struct rue_softc *sc, u_int16_t addr, void *buf,
+ u_int16_t len)
+{
+ usb_device_request_t req;
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = UR_SET_ADDRESS;
+ USETW(req.wValue, addr);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, len);
+
+ rue_cfg_do_request(sc, &req, buf);
+ return;
+}
+
+static u_int8_t
+rue_cfg_csr_read_1(struct rue_softc *sc, u_int16_t reg)
+{
+ u_int8_t val;
+ rue_cfg_read_mem(sc, reg, &val, 1);
+ return val;
+}
+
+static u_int16_t
+rue_cfg_csr_read_2(struct rue_softc *sc, u_int16_t reg)
+{
+ u_int8_t val[2];
+ rue_cfg_read_mem(sc, reg, &val, 2);
+ return UGETW(val);
+}
+
+static void
+rue_cfg_csr_write_1(struct rue_softc *sc, u_int16_t reg, u_int8_t val)
+{
+ rue_cfg_write_mem(sc, reg, &val, 1);
+ return;
+}
+
+static void
+rue_cfg_csr_write_2(struct rue_softc *sc, u_int16_t reg, u_int16_t val)
+{
+ u_int8_t temp[2];
+ USETW(temp, val);
+ rue_cfg_write_mem(sc, reg, &temp, 2);
+ return;
+}
+
+static void
+rue_cfg_csr_write_4(struct rue_softc *sc, int reg, u_int32_t val)
+{
+ u_int8_t temp[4];
+ USETDW(temp, val);
+ rue_cfg_write_mem(sc, reg, &temp, 4);
+ return;
+}
+
+static int
+rue_cfg_miibus_readreg(device_t dev, int phy, int reg)
+{
+ struct rue_softc * sc = device_get_softc(dev);
+ u_int16_t rval;
+ u_int16_t ruereg;
+
+ if (phy != 0) { /* RTL8150 supports PHY == 0, only */
+ return 0;
+ }
+
+ mtx_lock(&(sc->sc_mtx)); /* XXX */
+
+ switch (reg) {
+ case MII_BMCR:
+ ruereg = RUE_BMCR;
+ break;
+ case MII_BMSR:
+ ruereg = RUE_BMSR;
+ break;
+ case MII_ANAR:
+ ruereg = RUE_ANAR;
+ break;
+ case MII_ANER:
+ ruereg = RUE_AER;
+ break;
+ case MII_ANLPAR:
+ ruereg = RUE_ANLP;
+ break;
+ case MII_PHYIDR1:
+ case MII_PHYIDR2:
+ rval = 0;
+ goto done;
+ default:
+ if ((RUE_REG_MIN <= reg) && (reg <= RUE_REG_MAX)) {
+ rval = rue_cfg_csr_read_1(sc, reg);
+ goto done;
+ }
+ printf("rue%d: bad phy register\n", sc->sc_unit);
+ rval = 0;
+ goto done;
+ }
+
+ rval = rue_cfg_csr_read_2(sc, ruereg);
+ done:
+ mtx_unlock(&(sc->sc_mtx)); /* XXX */
+
+ return rval;
+}
+
+static int
+rue_cfg_miibus_writereg(device_t dev, int phy, int reg, int data)
+{
+ struct rue_softc * sc = device_get_softc(dev);
+ u_int16_t ruereg;
+
+ if (phy != 0) { /* RTL8150 supports PHY == 0, only */
+ return 0;
+ }
+
+ mtx_lock(&(sc->sc_mtx)); /* XXX */
+
+ switch (reg) {
+ case MII_BMCR:
+ ruereg = RUE_BMCR;
+ break;
+ case MII_BMSR:
+ ruereg = RUE_BMSR;
+ break;
+ case MII_ANAR:
+ ruereg = RUE_ANAR;
+ break;
+ case MII_ANER:
+ ruereg = RUE_AER;
+ break;
+ case MII_ANLPAR:
+ ruereg = RUE_ANLP;
+ break;
+ case MII_PHYIDR1:
+ case MII_PHYIDR2:
+ goto done;
+ default:
+ if ((RUE_REG_MIN <= reg) && (reg <= RUE_REG_MAX)) {
+ rue_cfg_csr_write_1(sc, reg, data);
+ goto done;
+ }
+ printf("%s: bad phy register\n",
+ sc->sc_name);
+ goto done;
+ }
+ rue_cfg_csr_write_2(sc, ruereg, data);
+ done:
+ mtx_unlock(&(sc->sc_mtx)); /* XXX */
+
+ return 0;
+}
+
+static void
+rue_cfg_miibus_statchg(device_t dev)
+{
+ /*
+ * When the code below is enabled the card starts doing weird
+ * things after link going from UP to DOWN and back UP.
+ *
+ * Looks like some of register writes below messes up PHY
+ * interface.
+ *
+ * No visible regressions were found after commenting this code
+ * out, so that disable it for good.
+ */
+#if 0
+ struct rue_softc * sc = device_get_softc(dev);
+ struct mii_data * mii = GET_MII(sc);
+ u_int16_t bmcr;
+
+ mtx_lock(&(sc->sc_mtx)); /* XXX */
+
+ RUE_CFG_CLRBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
+
+ bmcr = rue_cfg_csr_read_2(sc, RUE_BMCR);
+
+ if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX)
+ bmcr |= RUE_BMCR_SPD_SET;
+ else
+ bmcr &= ~RUE_BMCR_SPD_SET;
+
+ if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX)
+ bmcr |= RUE_BMCR_DUPLEX;
+ else
+ bmcr &= ~RUE_BMCR_DUPLEX;
+
+ rue_cfg_csr_write_2(sc, RUE_BMCR, bmcr);
+
+ RUE_CFG_SETBIT(sc, RUE_CR, (RUE_CR_RE | RUE_CR_TE));
+
+ mtx_unlock(&(sc->sc_mtx)); /* XXX */
+#endif
+ return;
+}
+
+static void
+rue_config_copy(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount)
+{
+ struct ifnet * ifp = sc->sc_ifp;
+ struct ifmultiaddr * ifma;
+ u_int8_t h;
+ u_int8_t i;
+
+ bzero(cc, sizeof(*cc));
+
+ if (ifp) {
+ for (i = 0; i < ETHER_ADDR_LEN; i++) {
+ cc->if_lladdr[i] = IF_LLADDR(ifp)[i];
+ }
+
+ cc->if_flags = ifp->if_flags;
+
+ /* compute hash bits for multicast filter */
+
+ IF_ADDR_LOCK(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;
+ if (h < 32)
+ cc->if_hashes[0] |= (1 << h);
+ else
+ cc->if_hashes[1] |= (1 << (h - 32));
+ }
+ IF_ADDR_UNLOCK(ifp);
+ }
+ return;
+}
+
+/*
+ * Program the 64-bit multicast hash filter.
+ */
+static void
+rue_cfg_promisc_upd(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount)
+{
+ u_int16_t rxcfg;
+
+ if (cc == NULL) {
+ /* nothing to do */
+ return;
+ }
+
+ rxcfg = rue_cfg_csr_read_2(sc, RUE_RCR);
+
+ if ((cc->if_flags & IFF_ALLMULTI) ||
+ (cc->if_flags & IFF_PROMISC)) {
+ rxcfg |= (RUE_RCR_AAM | RUE_RCR_AAP);
+ rxcfg &= ~RUE_RCR_AM;
+ rue_cfg_csr_write_2(sc, RUE_RCR, rxcfg);
+ rue_cfg_csr_write_4(sc, RUE_MAR0, 0xFFFFFFFF);
+ rue_cfg_csr_write_4(sc, RUE_MAR4, 0xFFFFFFFF);
+ return;
+ }
+
+ /* first, zero all the existing hash bits */
+ rue_cfg_csr_write_4(sc, RUE_MAR0, 0);
+ rue_cfg_csr_write_4(sc, RUE_MAR4, 0);
+
+ if (cc->if_hashes[0] ||
+ cc->if_hashes[1])
+ rxcfg |= RUE_RCR_AM;
+ else
+ rxcfg &= ~RUE_RCR_AM;
+
+ rxcfg &= ~(RUE_RCR_AAM | RUE_RCR_AAP);
+
+ rue_cfg_csr_write_2(sc, RUE_RCR, rxcfg);
+ rue_cfg_csr_write_4(sc, RUE_MAR0, cc->if_hashes[0]);
+ rue_cfg_csr_write_4(sc, RUE_MAR4, cc->if_hashes[1]);
+ return;
+}
+
+static void
+rue_cfg_reset(struct rue_softc *sc)
+{
+ usbd_status err;
+ u_int16_t to;
+
+ rue_cfg_csr_write_1(sc, RUE_CR, RUE_CR_SOFT_RST);
+
+ for (to = 0; ; to++) {
+
+ if (to < RUE_TIMEOUT) {
+
+ err = usbd_config_td_sleep(&(sc->sc_config_td), hz/100);
+
+ if (err) {
+ break;
+ }
+
+ if (!(rue_cfg_csr_read_1(sc, RUE_CR) & RUE_CR_SOFT_RST)) {
+ break;
+ }
+ } else {
+ printf("%s: reset timeout!\n",
+ sc->sc_name);
+ break;
+ }
+ }
+
+ err = usbd_config_td_sleep(&(sc->sc_config_td), hz/100);
+ return;
+}
+
+/*
+ * Probe for a RTL8150 chip.
+ */
+static int
+rue_probe(device_t dev)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(dev);
+ struct rue_type *t;
+
+ if (uaa->iface != NULL) {
+ return UMATCH_NONE;
+ }
+
+ t = rue_devs;
+ while (t->rue_vid) {
+ if ((uaa->vendor == t->rue_vid) &&
+ (uaa->product == t->rue_did)) {
+ return UMATCH_VENDOR_PRODUCT;
+ }
+ t++;
+ }
+ return UMATCH_NONE;
+}
+
+/*
+ * 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);
+ int32_t error;
+
+ if (sc == NULL) {
+ return ENOMEM;
+ }
+
+ sc->sc_udev = uaa->device;
+ sc->sc_dev = dev;
+ sc->sc_unit = device_get_unit(dev);
+
+ usbd_set_desc(dev, uaa->device);
+
+ snprintf(sc->sc_name, sizeof(sc->sc_name), "%s",
+ device_get_nameunit(dev));
+
+ mtx_init(&(sc->sc_mtx), "rue lock", NULL, MTX_DEF | MTX_RECURSE);
+
+ __callout_init_mtx(&(sc->sc_watchdog),
+ &(sc->sc_mtx), CALLOUT_RETURNUNLOCKED);
+
+ error = usbd_set_config_no(uaa->device, RUE_CONFIG_NO, 0);
+
+ if (error) {
+ device_printf(dev, "setting config "
+ "number failed!\n");
+ goto detach;
+ }
+
+ error = usbd_transfer_setup(uaa->device, RUE_IFACE_IDX,
+ sc->sc_xfer, rue_config, RUE_ENDPT_MAX,
+ sc, &(sc->sc_mtx), &(sc->sc_mem_wait));
+ if (error) {
+ device_printf(dev, "allocating USB "
+ "transfers failed!\n");
+ goto detach;
+ }
+
+ error = usbd_config_td_setup(&(sc->sc_config_td), sc, &(sc->sc_mtx),
+ &rue_config_copy, NULL,
+ sizeof(struct rue_config_copy), 16);
+ if (error) {
+ device_printf(dev, "could not setup config "
+ "thread!\n");
+ goto detach;
+ }
+
+ mtx_lock(&(sc->sc_mtx));
+
+ sc->sc_flags |= RUE_FLAG_WAIT_LINK;
+
+ /* start setup */
+
+ usbd_config_td_queue_command
+ (&(sc->sc_config_td), &rue_cfg_first_time_setup, 0);
+
+ /* start watchdog (will exit mutex) */
+
+ rue_watchdog(sc);
+
+ return 0; /* success */
+
+ detach:
+ rue_detach(dev);
+ return ENXIO; /* failure */
+}
+
+static void
+rue_cfg_first_time_setup(struct rue_softc *sc,
+ struct rue_config_copy *cc, u_int16_t refcount)
+{
+ struct ifnet * ifp;
+ int error;
+ u_int8_t eaddr[min(ETHER_ADDR_LEN,6)];
+
+ if (cc == NULL) {
+ return;
+ }
+
+ /* reset the adapter */
+ rue_cfg_reset(sc);
+
+ /* get station address from the EEPROM */
+ rue_cfg_read_mem(sc, RUE_EEPROM_IDR0,
+ eaddr, ETHER_ADDR_LEN);
+
+ mtx_unlock(&(sc->sc_mtx));
+
+ ifp = if_alloc(IFT_ETHER);
+
+ mtx_lock(&(sc->sc_mtx));
+
+ if (ifp == NULL) {
+ printf("%s: could not if_alloc()\n",
+ sc->sc_name);
+ goto done;
+ }
+
+ ifp->if_softc = sc;
+ if_initname(ifp, "rue", sc->sc_unit);
+ ifp->if_mtu = ETHERMTU;
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_ioctl = rue_ioctl_cb;
+ ifp->if_start = rue_start_cb;
+ ifp->if_watchdog = NULL;
+ ifp->if_init = rue_init_cb;
+ ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
+
+ /* XXX need Giant when accessing
+ * the device structures !
+ */
+
+ mtx_unlock(&(sc->sc_mtx));
+
+ mtx_lock(&Giant);
+
+ /* MII setup */
+ error = mii_phy_probe(sc->sc_dev, &(sc->sc_miibus),
+ &rue_ifmedia_upd_cb,
+ &rue_ifmedia_sts_cb);
+ mtx_unlock(&Giant);
+
+ mtx_lock(&(sc->sc_mtx));
+
+ if (error) {
+ printf("%s: MII without any PHY!\n",
+ sc->sc_name);
+ if_free(ifp);
+ goto done;
+ }
+
+ sc->sc_ifp = ifp;
+
+ /*
+ * Call MI attach routine.
+ */
+
+ ether_ifattach(ifp, eaddr);
+
+ done:
+ return;
+}
+
+static int
+rue_detach(device_t dev)
+{
+ struct rue_softc * sc = device_get_softc(dev);
+ struct ifnet * ifp;
+
+ mtx_lock(&(sc->sc_mtx));
+
+ usbd_config_td_stop(&(sc->sc_config_td));
+
+ __callout_stop(&sc->sc_watchdog);
+
+ rue_cfg_stop(sc, NULL, 0);
+
+ ifp = sc->sc_ifp;
+
+ mtx_unlock(&(sc->sc_mtx));
+
+ /* get rid of any late children */
+ bus_generic_detach(dev);
+
+ if (ifp) {
+ ether_ifdetach(ifp);
+ if_free(ifp);
+ }
+
+ usbd_transfer_unsetup(sc->sc_xfer, RUE_ENDPT_MAX);
+
+ usbd_transfer_drain(&(sc->sc_mem_wait), &(sc->sc_mtx));
+
+ usbd_config_td_unsetup(&(sc->sc_config_td));
+
+ mtx_destroy(&(sc->sc_mtx));
+
+ return 0;
+}
+
+static void
+rue_intr_clear_stall_callback(struct usbd_xfer *xfer)
+{
+ struct rue_softc *sc = xfer->priv_sc;
+ struct usbd_xfer *xfer_other = sc->sc_xfer[4];
+
+ USBD_CHECK_STATUS(xfer);
+
+ tr_setup:
+ /* start clear stall */
+ usbd_clear_stall_tr_setup(xfer, xfer_other);
+ return;
+
+ tr_transferred:
+ usbd_clear_stall_tr_transferred(xfer, xfer_other);
+
+ sc->sc_flags &= ~RUE_FLAG_INTR_STALL;
+ usbd_transfer_start(xfer_other);
+ return;
+
+ tr_error:
+ /* bomb out */
+ sc->sc_flags &= ~RUE_FLAG_INTR_STALL;
+ DPRINTF(sc, 0, "interrupt read pipe stopped\n");
+ return;
+}
+
+static void
+rue_intr_callback(struct usbd_xfer *xfer)
+{
+ struct rue_softc *sc = xfer->priv_sc;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct rue_intrpkt *p = xfer->buffer;
+
+ USBD_CHECK_STATUS(xfer);
+
+ tr_transferred:
+
+ if (ifp && (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
+ (xfer->actlen >= sizeof(*p))) {
+
+ ifp->if_ierrors += p->rue_rxlost_cnt;
+ ifp->if_ierrors += p->rue_crcerr_cnt;
+ ifp->if_collisions += p->rue_col_cnt;
+ }
+
+ tr_setup:
+ if (sc->sc_flags & RUE_FLAG_INTR_STALL) {
+ usbd_transfer_start(sc->sc_xfer[5]);
+ } else {
+ usbd_start_hardware(xfer);
+ }
+ return;
+
+ tr_error:
+ if (xfer->error != USBD_CANCELLED) {
+ /* start clear stall */
+ sc->sc_flags |= RUE_FLAG_INTR_STALL;
+ usbd_transfer_start(sc->sc_xfer[5]);
+ }
+ return;
+}
+
+static void
+rue_bulk_read_clear_stall_callback(struct usbd_xfer *xfer)
+{
+ struct rue_softc *sc = xfer->priv_sc;
+ struct usbd_xfer *xfer_other = sc->sc_xfer[1];
+
+ USBD_CHECK_STATUS(xfer);
+
+ tr_setup:
+ /* start clear stall */
+ usbd_clear_stall_tr_setup(xfer, xfer_other);
+ return;
+
+ tr_transferred:
+ usbd_clear_stall_tr_transferred(xfer, xfer_other);
+
>>> TRUNCATED FOR MAIL (1000 lines) <<<
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