aa8255025a
multicast hash are written. There are still two distinct algorithms used, and there actually isn't any reason each driver should have its own copy of this function as they could all share one copy of it (if it grew an additional argument).
1223 lines
27 KiB
C
1223 lines
27 KiB
C
/*
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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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__FBSDID("$FreeBSD$");
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/*
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* CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate
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* adapters and others.
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*
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* Written by Bill Paul <wpaul@ee.columbia.edu>
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* Electrical Engineering Department
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* Columbia University, New York City
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*/
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|
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/*
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* The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The
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* RX filter uses a 512-bit multicast hash table, single perfect entry
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* for the station address, and promiscuous mode. Unlike the ADMtek
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* and KLSI chips, the CATC ASIC supports read and write combining
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* mode where multiple packets can be transfered using a single bulk
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* transaction, which helps performance a great deal.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/bpf.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#if __FreeBSD_version < 500000
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#include <machine/clock.h>
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#endif
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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 <dev/usb/usbdivar.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usb_ethersubr.h>
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#include <dev/usb/if_cuereg.h>
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|
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/*
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* Various supported device vendors/products.
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*/
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Static struct cue_type cue_devs[] = {
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{ USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE },
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{ USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 },
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{ USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK },
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{ 0, 0 }
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};
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|
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Static struct usb_qdat cue_qdat;
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|
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Static int cue_match(device_ptr_t);
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Static int cue_attach(device_ptr_t);
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Static int cue_detach(device_ptr_t);
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|
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Static int cue_tx_list_init(struct cue_softc *);
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Static int cue_rx_list_init(struct cue_softc *);
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Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *);
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Static int cue_encap(struct cue_softc *, struct mbuf *, int);
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Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static void cue_tick(void *);
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Static void cue_rxstart(struct ifnet *);
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Static void cue_start(struct ifnet *);
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Static int cue_ioctl(struct ifnet *, u_long, caddr_t);
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Static void cue_init(void *);
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Static void cue_stop(struct cue_softc *);
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Static void cue_watchdog(struct ifnet *);
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Static void cue_shutdown(device_ptr_t);
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Static void cue_setmulti(struct cue_softc *);
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Static u_int32_t cue_mchash(caddr_t);
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Static void cue_reset(struct cue_softc *);
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Static int cue_csr_read_1(struct cue_softc *, int);
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Static int cue_csr_write_1(struct cue_softc *, int, int);
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Static int cue_csr_read_2(struct cue_softc *, int);
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#ifdef notdef
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Static int cue_csr_write_2(struct cue_softc *, int, int);
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#endif
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Static int cue_mem(struct cue_softc *, int, int, void *, int);
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Static int cue_getmac(struct cue_softc *, void *);
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Static device_method_t cue_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, cue_match),
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DEVMETHOD(device_attach, cue_attach),
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DEVMETHOD(device_detach, cue_detach),
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DEVMETHOD(device_shutdown, cue_shutdown),
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{ 0, 0 }
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};
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Static driver_t cue_driver = {
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"cue",
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cue_methods,
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sizeof(struct cue_softc)
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};
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Static devclass_t cue_devclass;
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DRIVER_MODULE(cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0);
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MODULE_DEPEND(cue, usb, 1, 1, 1);
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MODULE_DEPEND(cue, ether, 1, 1, 1);
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#define CUE_SETBIT(sc, reg, x) \
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cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x))
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#define CUE_CLRBIT(sc, reg, x) \
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cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x))
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Static int
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cue_csr_read_1(struct cue_softc *sc, int reg)
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{
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usb_device_request_t req;
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usbd_status err;
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u_int8_t val = 0;
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = CUE_CMD_READREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 1);
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err = usbd_do_request(sc->cue_udev, &req, &val);
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CUE_UNLOCK(sc);
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if (err)
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return(0);
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return(val);
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}
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Static int
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cue_csr_read_2(struct cue_softc *sc, int reg)
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{
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usb_device_request_t req;
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usbd_status err;
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u_int16_t val = 0;
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = CUE_CMD_READREG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 2);
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err = usbd_do_request(sc->cue_udev, &req, &val);
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CUE_UNLOCK(sc);
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if (err)
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return(0);
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return(val);
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}
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|
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Static int
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cue_csr_write_1(struct cue_softc *sc, int reg, int val)
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{
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usb_device_request_t req;
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usbd_status err;
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = CUE_CMD_WRITEREG;
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USETW(req.wValue, val);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 0);
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err = usbd_do_request(sc->cue_udev, &req, NULL);
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CUE_UNLOCK(sc);
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if (err)
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return(-1);
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return(0);
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}
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|
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#ifdef notdef
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Static int
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cue_csr_write_2(struct cue_softc *sc, int reg, int val)
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{
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usb_device_request_t req;
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usbd_status err;
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = CUE_CMD_WRITEREG;
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USETW(req.wValue, val);
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USETW(req.wIndex, reg);
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USETW(req.wLength, 0);
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err = usbd_do_request(sc->cue_udev, &req, NULL);
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CUE_UNLOCK(sc);
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if (err)
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return(-1);
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return(0);
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}
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#endif
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|
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Static int
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cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len)
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{
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usb_device_request_t req;
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usbd_status err;
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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if (cmd == CUE_CMD_READSRAM)
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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else
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = cmd;
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USETW(req.wValue, 0);
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USETW(req.wIndex, addr);
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USETW(req.wLength, len);
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err = usbd_do_request(sc->cue_udev, &req, buf);
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CUE_UNLOCK(sc);
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|
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if (err)
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return(-1);
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return(0);
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}
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|
|
Static int
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cue_getmac(struct cue_softc *sc, void *buf)
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{
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usb_device_request_t req;
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usbd_status err;
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|
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if (sc->cue_dying)
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return(0);
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CUE_LOCK(sc);
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|
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = CUE_CMD_GET_MACADDR;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, ETHER_ADDR_LEN);
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err = usbd_do_request(sc->cue_udev, &req, buf);
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|
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CUE_UNLOCK(sc);
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|
|
|
if (err) {
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printf("cue%d: read MAC address failed\n", sc->cue_unit);
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return(-1);
|
|
}
|
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|
|
return(0);
|
|
}
|
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|
|
#define CUE_POLY 0xEDB88320
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#define CUE_BITS 9
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|
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Static u_int32_t
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cue_mchash(caddr_t addr)
|
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{
|
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u_int32_t crc;
|
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int idx, bit;
|
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u_int8_t data;
|
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|
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/* Compute CRC for the address value. */
|
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crc = 0xFFFFFFFF; /* initial value */
|
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|
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for (idx = 0; idx < 6; idx++) {
|
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for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1)
|
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crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0);
|
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}
|
|
|
|
return (crc & ((1 << CUE_BITS) - 1));
|
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}
|
|
|
|
Static void
|
|
cue_setmulti(struct cue_softc *sc)
|
|
{
|
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struct ifnet *ifp;
|
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struct ifmultiaddr *ifma;
|
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u_int32_t h = 0, i;
|
|
|
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ifp = &sc->arpcom.ac_if;
|
|
|
|
if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
|
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for (i = 0; i < CUE_MCAST_TABLE_LEN; i++)
|
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sc->cue_mctab[i] = 0xFF;
|
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cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR,
|
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&sc->cue_mctab, CUE_MCAST_TABLE_LEN);
|
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return;
|
|
}
|
|
|
|
/* first, zot all the existing hash bits */
|
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for (i = 0; i < CUE_MCAST_TABLE_LEN; i++)
|
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sc->cue_mctab[i] = 0;
|
|
|
|
/* now program new ones */
|
|
#if __FreeBSD_version >= 500000
|
|
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
|
|
#else
|
|
LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
|
|
#endif
|
|
{
|
|
if (ifma->ifma_addr->sa_family != AF_LINK)
|
|
continue;
|
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h = cue_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
|
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sc->cue_mctab[h >> 3] |= 1 << (h & 0x7);
|
|
}
|
|
|
|
/*
|
|
* Also include the broadcast address in the filter
|
|
* so we can receive broadcast frames.
|
|
*/
|
|
if (ifp->if_flags & IFF_BROADCAST) {
|
|
#if __FreeBSD_version >= 500000
|
|
h = cue_mchash(ifp->if_broadcastaddr);
|
|
#else
|
|
h = cue_mchash(etherbroadcastaddr);
|
|
#endif
|
|
sc->cue_mctab[h >> 3] |= 1 << (h & 0x7);
|
|
}
|
|
|
|
cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR,
|
|
&sc->cue_mctab, CUE_MCAST_TABLE_LEN);
|
|
|
|
return;
|
|
}
|
|
|
|
Static void
|
|
cue_reset(struct cue_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
if (sc->cue_dying)
|
|
return;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = CUE_CMD_RESET;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, 0);
|
|
err = usbd_do_request(sc->cue_udev, &req, NULL);
|
|
if (err)
|
|
printf("cue%d: reset failed\n", sc->cue_unit);
|
|
|
|
/* Wait a little while for the chip to get its brains in order. */
|
|
DELAY(1000);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Probe for a Pegasus chip.
|
|
*/
|
|
USB_MATCH(cue)
|
|
{
|
|
USB_MATCH_START(cue, uaa);
|
|
struct cue_type *t;
|
|
|
|
if (!uaa->iface)
|
|
return(UMATCH_NONE);
|
|
|
|
t = cue_devs;
|
|
while(t->cue_vid) {
|
|
if (uaa->vendor == t->cue_vid &&
|
|
uaa->product == t->cue_did) {
|
|
return(UMATCH_VENDOR_PRODUCT);
|
|
}
|
|
t++;
|
|
}
|
|
|
|
return(UMATCH_NONE);
|
|
}
|
|
|
|
/*
|
|
* Attach the interface. Allocate softc structures, do ifmedia
|
|
* setup and ethernet/BPF attach.
|
|
*/
|
|
USB_ATTACH(cue)
|
|
{
|
|
USB_ATTACH_START(cue, sc, uaa);
|
|
char devinfo[1024];
|
|
u_char eaddr[ETHER_ADDR_LEN];
|
|
struct ifnet *ifp;
|
|
usb_interface_descriptor_t *id;
|
|
usb_endpoint_descriptor_t *ed;
|
|
int i;
|
|
|
|
bzero(sc, sizeof(struct cue_softc));
|
|
sc->cue_iface = uaa->iface;
|
|
sc->cue_udev = uaa->device;
|
|
sc->cue_unit = device_get_unit(self);
|
|
|
|
if (usbd_set_config_no(sc->cue_udev, CUE_CONFIG_NO, 0)) {
|
|
printf("cue%d: getting interface handle failed\n",
|
|
sc->cue_unit);
|
|
USB_ATTACH_ERROR_RETURN;
|
|
}
|
|
|
|
id = usbd_get_interface_descriptor(uaa->iface);
|
|
|
|
usbd_devinfo(uaa->device, 0, devinfo);
|
|
device_set_desc_copy(self, devinfo);
|
|
printf("%s: %s\n", USBDEVNAME(self), devinfo);
|
|
|
|
/* Find endpoints. */
|
|
for (i = 0; i < id->bNumEndpoints; i++) {
|
|
ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
|
|
if (!ed) {
|
|
printf("cue%d: couldn't get ep %d\n",
|
|
sc->cue_unit, i);
|
|
USB_ATTACH_ERROR_RETURN;
|
|
}
|
|
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
|
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
|
sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress;
|
|
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
|
|
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
|
sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress;
|
|
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
|
UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
|
|
sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress;
|
|
}
|
|
}
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
mtx_init(&sc->cue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
|
|
MTX_DEF | MTX_RECURSE);
|
|
#endif
|
|
CUE_LOCK(sc);
|
|
|
|
#ifdef notdef
|
|
/* Reset the adapter. */
|
|
cue_reset(sc);
|
|
#endif
|
|
/*
|
|
* Get station address.
|
|
*/
|
|
cue_getmac(sc, &eaddr);
|
|
|
|
/*
|
|
* A CATC chip was detected. Inform the world.
|
|
*/
|
|
printf("cue%d: Ethernet address: %6D\n", sc->cue_unit, eaddr, ":");
|
|
|
|
bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
|
|
|
|
ifp = &sc->arpcom.ac_if;
|
|
ifp->if_softc = sc;
|
|
if_initname(ifp, "cue", sc->cue_unit);
|
|
ifp->if_mtu = ETHERMTU;
|
|
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
|
|
ifp->if_ioctl = cue_ioctl;
|
|
ifp->if_output = ether_output;
|
|
ifp->if_start = cue_start;
|
|
ifp->if_watchdog = cue_watchdog;
|
|
ifp->if_init = cue_init;
|
|
ifp->if_baudrate = 10000000;
|
|
ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
|
|
|
|
cue_qdat.ifp = ifp;
|
|
cue_qdat.if_rxstart = cue_rxstart;
|
|
|
|
/*
|
|
* Call MI attach routine.
|
|
*/
|
|
#if __FreeBSD_version >= 500000
|
|
ether_ifattach(ifp, eaddr);
|
|
#else
|
|
ether_ifattach(ifp, ETHER_BPF_SUPPORTED);
|
|
#endif
|
|
callout_handle_init(&sc->cue_stat_ch);
|
|
usb_register_netisr();
|
|
sc->cue_dying = 0;
|
|
|
|
CUE_UNLOCK(sc);
|
|
USB_ATTACH_SUCCESS_RETURN;
|
|
}
|
|
|
|
Static int
|
|
cue_detach(device_ptr_t dev)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct ifnet *ifp;
|
|
|
|
sc = device_get_softc(dev);
|
|
CUE_LOCK(sc);
|
|
ifp = &sc->arpcom.ac_if;
|
|
|
|
sc->cue_dying = 1;
|
|
untimeout(cue_tick, sc, sc->cue_stat_ch);
|
|
#if __FreeBSD_version >= 500000
|
|
ether_ifdetach(ifp);
|
|
#else
|
|
ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
|
|
#endif
|
|
|
|
if (sc->cue_ep[CUE_ENDPT_TX] != NULL)
|
|
usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]);
|
|
if (sc->cue_ep[CUE_ENDPT_RX] != NULL)
|
|
usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]);
|
|
if (sc->cue_ep[CUE_ENDPT_INTR] != NULL)
|
|
usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]);
|
|
|
|
CUE_UNLOCK(sc);
|
|
#if __FreeBSD_version >= 500000
|
|
mtx_destroy(&sc->cue_mtx);
|
|
#endif
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Initialize an RX descriptor and attach an MBUF cluster.
|
|
*/
|
|
Static int
|
|
cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m)
|
|
{
|
|
struct mbuf *m_new = NULL;
|
|
|
|
if (m == NULL) {
|
|
MGETHDR(m_new, M_DONTWAIT, MT_DATA);
|
|
if (m_new == NULL) {
|
|
printf("cue%d: no memory for rx list "
|
|
"-- packet dropped!\n", sc->cue_unit);
|
|
return(ENOBUFS);
|
|
}
|
|
|
|
MCLGET(m_new, M_DONTWAIT);
|
|
if (!(m_new->m_flags & M_EXT)) {
|
|
printf("cue%d: no memory for rx list "
|
|
"-- packet dropped!\n", sc->cue_unit);
|
|
m_freem(m_new);
|
|
return(ENOBUFS);
|
|
}
|
|
m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
|
|
} else {
|
|
m_new = m;
|
|
m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
|
|
m_new->m_data = m_new->m_ext.ext_buf;
|
|
}
|
|
|
|
m_adj(m_new, ETHER_ALIGN);
|
|
c->cue_mbuf = m_new;
|
|
|
|
return(0);
|
|
}
|
|
|
|
Static int
|
|
cue_rx_list_init(struct cue_softc *sc)
|
|
{
|
|
struct cue_cdata *cd;
|
|
struct cue_chain *c;
|
|
int i;
|
|
|
|
cd = &sc->cue_cdata;
|
|
for (i = 0; i < CUE_RX_LIST_CNT; i++) {
|
|
c = &cd->cue_rx_chain[i];
|
|
c->cue_sc = sc;
|
|
c->cue_idx = i;
|
|
if (cue_newbuf(sc, c, NULL) == ENOBUFS)
|
|
return(ENOBUFS);
|
|
if (c->cue_xfer == NULL) {
|
|
c->cue_xfer = usbd_alloc_xfer(sc->cue_udev);
|
|
if (c->cue_xfer == NULL)
|
|
return(ENOBUFS);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
Static int
|
|
cue_tx_list_init(struct cue_softc *sc)
|
|
{
|
|
struct cue_cdata *cd;
|
|
struct cue_chain *c;
|
|
int i;
|
|
|
|
cd = &sc->cue_cdata;
|
|
for (i = 0; i < CUE_TX_LIST_CNT; i++) {
|
|
c = &cd->cue_tx_chain[i];
|
|
c->cue_sc = sc;
|
|
c->cue_idx = i;
|
|
c->cue_mbuf = NULL;
|
|
if (c->cue_xfer == NULL) {
|
|
c->cue_xfer = usbd_alloc_xfer(sc->cue_udev);
|
|
if (c->cue_xfer == NULL)
|
|
return(ENOBUFS);
|
|
}
|
|
c->cue_buf = malloc(CUE_BUFSZ, M_USBDEV, M_NOWAIT);
|
|
if (c->cue_buf == NULL)
|
|
return(ENOBUFS);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
Static void
|
|
cue_rxstart(struct ifnet *ifp)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct cue_chain *c;
|
|
|
|
sc = ifp->if_softc;
|
|
CUE_LOCK(sc);
|
|
c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod];
|
|
|
|
if (cue_newbuf(sc, c, NULL) == ENOBUFS) {
|
|
ifp->if_ierrors++;
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/* Setup new transfer. */
|
|
usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX],
|
|
c, mtod(c->cue_mbuf, char *), CUE_BUFSZ, USBD_SHORT_XFER_OK,
|
|
USBD_NO_TIMEOUT, cue_rxeof);
|
|
usbd_transfer(c->cue_xfer);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* A frame has been uploaded: pass the resulting mbuf chain up to
|
|
* the higher level protocols.
|
|
*/
|
|
Static void
|
|
cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct cue_chain *c;
|
|
struct mbuf *m;
|
|
struct ifnet *ifp;
|
|
int total_len = 0;
|
|
u_int16_t len;
|
|
|
|
c = priv;
|
|
sc = c->cue_sc;
|
|
CUE_LOCK(sc);
|
|
ifp = &sc->arpcom.ac_if;
|
|
|
|
if (!(ifp->if_flags & IFF_RUNNING)) {
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
if (usbd_ratecheck(&sc->cue_rx_notice))
|
|
printf("cue%d: usb error on rx: %s\n", sc->cue_unit,
|
|
usbd_errstr(status));
|
|
if (status == USBD_STALLED)
|
|
usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]);
|
|
goto done;
|
|
}
|
|
|
|
usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
|
|
|
|
m = c->cue_mbuf;
|
|
len = *mtod(m, u_int16_t *);
|
|
|
|
/* No errors; receive the packet. */
|
|
total_len = len;
|
|
|
|
if (len < sizeof(struct ether_header)) {
|
|
ifp->if_ierrors++;
|
|
goto done;
|
|
}
|
|
|
|
ifp->if_ipackets++;
|
|
m_adj(m, sizeof(u_int16_t));
|
|
m->m_pkthdr.rcvif = (struct ifnet *)&cue_qdat;
|
|
m->m_pkthdr.len = m->m_len = total_len;
|
|
|
|
/* Put the packet on the special USB input queue. */
|
|
usb_ether_input(m);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
done:
|
|
/* Setup new transfer. */
|
|
usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX],
|
|
c, mtod(c->cue_mbuf, char *), CUE_BUFSZ, USBD_SHORT_XFER_OK,
|
|
USBD_NO_TIMEOUT, cue_rxeof);
|
|
usbd_transfer(c->cue_xfer);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* A frame was downloaded to the chip. It's safe for us to clean up
|
|
* the list buffers.
|
|
*/
|
|
|
|
Static void
|
|
cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct cue_chain *c;
|
|
struct ifnet *ifp;
|
|
usbd_status err;
|
|
|
|
c = priv;
|
|
sc = c->cue_sc;
|
|
CUE_LOCK(sc);
|
|
ifp = &sc->arpcom.ac_if;
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
printf("cue%d: usb error on tx: %s\n", sc->cue_unit,
|
|
usbd_errstr(status));
|
|
if (status == USBD_STALLED)
|
|
usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]);
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
ifp->if_timer = 0;
|
|
ifp->if_flags &= ~IFF_OACTIVE;
|
|
usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &err);
|
|
|
|
if (c->cue_mbuf != NULL) {
|
|
c->cue_mbuf->m_pkthdr.rcvif = ifp;
|
|
usb_tx_done(c->cue_mbuf);
|
|
c->cue_mbuf = NULL;
|
|
}
|
|
|
|
if (err)
|
|
ifp->if_oerrors++;
|
|
else
|
|
ifp->if_opackets++;
|
|
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
Static void
|
|
cue_tick(void *xsc)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct ifnet *ifp;
|
|
|
|
sc = xsc;
|
|
|
|
if (sc == NULL)
|
|
return;
|
|
|
|
CUE_LOCK(sc);
|
|
|
|
ifp = &sc->arpcom.ac_if;
|
|
|
|
ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL);
|
|
ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL);
|
|
ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL);
|
|
|
|
if (cue_csr_read_2(sc, CUE_RX_FRAMEERR))
|
|
ifp->if_ierrors++;
|
|
|
|
sc->cue_stat_ch = timeout(cue_tick, sc, hz);
|
|
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
Static int
|
|
cue_encap(struct cue_softc *sc, struct mbuf *m, int idx)
|
|
{
|
|
int total_len;
|
|
struct cue_chain *c;
|
|
usbd_status err;
|
|
|
|
c = &sc->cue_cdata.cue_tx_chain[idx];
|
|
|
|
/*
|
|
* Copy the mbuf data into a contiguous buffer, leaving two
|
|
* bytes at the beginning to hold the frame length.
|
|
*/
|
|
m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2);
|
|
c->cue_mbuf = m;
|
|
|
|
total_len = m->m_pkthdr.len + 2;
|
|
|
|
/* The first two bytes are the frame length */
|
|
c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len;
|
|
c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
|
|
|
|
usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX],
|
|
c, c->cue_buf, total_len, 0, 10000, cue_txeof);
|
|
|
|
/* Transmit */
|
|
err = usbd_transfer(c->cue_xfer);
|
|
if (err != USBD_IN_PROGRESS) {
|
|
cue_stop(sc);
|
|
return(EIO);
|
|
}
|
|
|
|
sc->cue_cdata.cue_tx_cnt++;
|
|
|
|
return(0);
|
|
}
|
|
|
|
Static void
|
|
cue_start(struct ifnet *ifp)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct mbuf *m_head = NULL;
|
|
|
|
sc = ifp->if_softc;
|
|
CUE_LOCK(sc);
|
|
|
|
if (ifp->if_flags & IFF_OACTIVE) {
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
IF_DEQUEUE(&ifp->if_snd, m_head);
|
|
if (m_head == NULL) {
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
if (cue_encap(sc, m_head, 0)) {
|
|
IF_PREPEND(&ifp->if_snd, m_head);
|
|
ifp->if_flags |= IFF_OACTIVE;
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If there's a BPF listener, bounce a copy of this frame
|
|
* to him.
|
|
*/
|
|
BPF_MTAP(ifp, m_head);
|
|
|
|
ifp->if_flags |= IFF_OACTIVE;
|
|
|
|
/*
|
|
* Set a timeout in case the chip goes out to lunch.
|
|
*/
|
|
ifp->if_timer = 5;
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
Static void
|
|
cue_init(void *xsc)
|
|
{
|
|
struct cue_softc *sc = xsc;
|
|
struct ifnet *ifp = &sc->arpcom.ac_if;
|
|
struct cue_chain *c;
|
|
usbd_status err;
|
|
int i;
|
|
|
|
if (ifp->if_flags & IFF_RUNNING)
|
|
return;
|
|
|
|
CUE_LOCK(sc);
|
|
|
|
/*
|
|
* Cancel pending I/O and free all RX/TX buffers.
|
|
*/
|
|
#ifdef foo
|
|
cue_reset(sc);
|
|
#endif
|
|
|
|
/* Set MAC address */
|
|
for (i = 0; i < ETHER_ADDR_LEN; i++)
|
|
cue_csr_write_1(sc, CUE_PAR0 - i, sc->arpcom.ac_enaddr[i]);
|
|
|
|
/* Enable RX logic. */
|
|
cue_csr_write_1(sc, CUE_ETHCTL, CUE_ETHCTL_RX_ON|CUE_ETHCTL_MCAST_ON);
|
|
|
|
/* If we want promiscuous mode, set the allframes bit. */
|
|
if (ifp->if_flags & IFF_PROMISC) {
|
|
CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC);
|
|
} else {
|
|
CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC);
|
|
}
|
|
|
|
/* Init TX ring. */
|
|
if (cue_tx_list_init(sc) == ENOBUFS) {
|
|
printf("cue%d: tx list init failed\n", sc->cue_unit);
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/* Init RX ring. */
|
|
if (cue_rx_list_init(sc) == ENOBUFS) {
|
|
printf("cue%d: rx list init failed\n", sc->cue_unit);
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/* Load the multicast filter. */
|
|
cue_setmulti(sc);
|
|
|
|
/*
|
|
* Set the number of RX and TX buffers that we want
|
|
* to reserve inside the ASIC.
|
|
*/
|
|
cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES);
|
|
cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES);
|
|
|
|
/* Set advanced operation modes. */
|
|
cue_csr_write_1(sc, CUE_ADVANCED_OPMODES,
|
|
CUE_AOP_EMBED_RXLEN|0x01); /* 1 wait state */
|
|
|
|
/* Program the LED operation. */
|
|
cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK);
|
|
|
|
/* Open RX and TX pipes. */
|
|
err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX],
|
|
USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]);
|
|
if (err) {
|
|
printf("cue%d: open rx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX],
|
|
USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]);
|
|
if (err) {
|
|
printf("cue%d: open tx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
CUE_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/* Start up the receive pipe. */
|
|
for (i = 0; i < CUE_RX_LIST_CNT; i++) {
|
|
c = &sc->cue_cdata.cue_rx_chain[i];
|
|
usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX],
|
|
c, mtod(c->cue_mbuf, char *), CUE_BUFSZ,
|
|
USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof);
|
|
usbd_transfer(c->cue_xfer);
|
|
}
|
|
|
|
ifp->if_flags |= IFF_RUNNING;
|
|
ifp->if_flags &= ~IFF_OACTIVE;
|
|
|
|
CUE_UNLOCK(sc);
|
|
|
|
sc->cue_stat_ch = timeout(cue_tick, sc, hz);
|
|
|
|
return;
|
|
}
|
|
|
|
Static int
|
|
cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
|
|
{
|
|
struct cue_softc *sc = ifp->if_softc;
|
|
int error = 0;
|
|
|
|
CUE_LOCK(sc);
|
|
|
|
switch(command) {
|
|
case SIOCSIFFLAGS:
|
|
if (ifp->if_flags & IFF_UP) {
|
|
if (ifp->if_flags & IFF_RUNNING &&
|
|
ifp->if_flags & IFF_PROMISC &&
|
|
!(sc->cue_if_flags & IFF_PROMISC)) {
|
|
CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC);
|
|
cue_setmulti(sc);
|
|
} else if (ifp->if_flags & IFF_RUNNING &&
|
|
!(ifp->if_flags & IFF_PROMISC) &&
|
|
sc->cue_if_flags & IFF_PROMISC) {
|
|
CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC);
|
|
cue_setmulti(sc);
|
|
} else if (!(ifp->if_flags & IFF_RUNNING))
|
|
cue_init(sc);
|
|
} else {
|
|
if (ifp->if_flags & IFF_RUNNING)
|
|
cue_stop(sc);
|
|
}
|
|
sc->cue_if_flags = ifp->if_flags;
|
|
error = 0;
|
|
break;
|
|
case SIOCADDMULTI:
|
|
case SIOCDELMULTI:
|
|
cue_setmulti(sc);
|
|
error = 0;
|
|
break;
|
|
default:
|
|
error = ether_ioctl(ifp, command, data);
|
|
break;
|
|
}
|
|
|
|
CUE_UNLOCK(sc);
|
|
|
|
return(error);
|
|
}
|
|
|
|
Static void
|
|
cue_watchdog(struct ifnet *ifp)
|
|
{
|
|
struct cue_softc *sc;
|
|
struct cue_chain *c;
|
|
usbd_status stat;
|
|
|
|
sc = ifp->if_softc;
|
|
CUE_LOCK(sc);
|
|
|
|
ifp->if_oerrors++;
|
|
printf("cue%d: watchdog timeout\n", sc->cue_unit);
|
|
|
|
c = &sc->cue_cdata.cue_tx_chain[0];
|
|
usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat);
|
|
cue_txeof(c->cue_xfer, c, stat);
|
|
|
|
if (ifp->if_snd.ifq_head != NULL)
|
|
cue_start(ifp);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Stop the adapter and free any mbufs allocated to the
|
|
* RX and TX lists.
|
|
*/
|
|
Static void
|
|
cue_stop(struct cue_softc *sc)
|
|
{
|
|
usbd_status err;
|
|
struct ifnet *ifp;
|
|
int i;
|
|
|
|
CUE_LOCK(sc);
|
|
|
|
ifp = &sc->arpcom.ac_if;
|
|
ifp->if_timer = 0;
|
|
|
|
cue_csr_write_1(sc, CUE_ETHCTL, 0);
|
|
cue_reset(sc);
|
|
untimeout(cue_tick, sc, sc->cue_stat_ch);
|
|
|
|
/* Stop transfers. */
|
|
if (sc->cue_ep[CUE_ENDPT_RX] != NULL) {
|
|
err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]);
|
|
if (err) {
|
|
printf("cue%d: abort rx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]);
|
|
if (err) {
|
|
printf("cue%d: close rx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
sc->cue_ep[CUE_ENDPT_RX] = NULL;
|
|
}
|
|
|
|
if (sc->cue_ep[CUE_ENDPT_TX] != NULL) {
|
|
err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]);
|
|
if (err) {
|
|
printf("cue%d: abort tx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]);
|
|
if (err) {
|
|
printf("cue%d: close tx pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
sc->cue_ep[CUE_ENDPT_TX] = NULL;
|
|
}
|
|
|
|
if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) {
|
|
err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]);
|
|
if (err) {
|
|
printf("cue%d: abort intr pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]);
|
|
if (err) {
|
|
printf("cue%d: close intr pipe failed: %s\n",
|
|
sc->cue_unit, usbd_errstr(err));
|
|
}
|
|
sc->cue_ep[CUE_ENDPT_INTR] = NULL;
|
|
}
|
|
|
|
/* Free RX resources. */
|
|
for (i = 0; i < CUE_RX_LIST_CNT; i++) {
|
|
if (sc->cue_cdata.cue_rx_chain[i].cue_buf != NULL) {
|
|
free(sc->cue_cdata.cue_rx_chain[i].cue_buf, M_USBDEV);
|
|
sc->cue_cdata.cue_rx_chain[i].cue_buf = NULL;
|
|
}
|
|
if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) {
|
|
m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf);
|
|
sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL;
|
|
}
|
|
if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) {
|
|
usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer);
|
|
sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL;
|
|
}
|
|
}
|
|
|
|
/* Free TX resources. */
|
|
for (i = 0; i < CUE_TX_LIST_CNT; i++) {
|
|
if (sc->cue_cdata.cue_tx_chain[i].cue_buf != NULL) {
|
|
free(sc->cue_cdata.cue_tx_chain[i].cue_buf, M_USBDEV);
|
|
sc->cue_cdata.cue_tx_chain[i].cue_buf = NULL;
|
|
}
|
|
if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) {
|
|
m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf);
|
|
sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL;
|
|
}
|
|
if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) {
|
|
usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer);
|
|
sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL;
|
|
}
|
|
}
|
|
|
|
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Stop all chip I/O so that the kernel's probe routines don't
|
|
* get confused by errant DMAs when rebooting.
|
|
*/
|
|
Static void
|
|
cue_shutdown(device_ptr_t dev)
|
|
{
|
|
struct cue_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
CUE_LOCK(sc);
|
|
cue_reset(sc);
|
|
cue_stop(sc);
|
|
CUE_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|