aboutsummaryrefslogtreecommitdiff
path: root/sys/dev/usb/if_cue.c
diff options
context:
space:
mode:
authorAndrew Thompson <thompsa@FreeBSD.org>2009-02-23 18:16:17 +0000
committerAndrew Thompson <thompsa@FreeBSD.org>2009-02-23 18:16:17 +0000
commit3975e3a1eac3dd9077dc4523a8def1606ff1559c (patch)
tree8f5871490a716fe01fdd8316568d9ba35036b3fa /sys/dev/usb/if_cue.c
parent0b7dc0a7c6dd55638806705525107e6e74ed101c (diff)
Notes
Diffstat (limited to 'sys/dev/usb/if_cue.c')
-rw-r--r--sys/dev/usb/if_cue.c1074
1 files changed, 0 insertions, 1074 deletions
diff --git a/sys/dev/usb/if_cue.c b/sys/dev/usb/if_cue.c
deleted file mode 100644
index cd3a5432ef16a..0000000000000
--- a/sys/dev/usb/if_cue.c
+++ /dev/null
@@ -1,1074 +0,0 @@
-/*-
- * Copyright (c) 1997, 1998, 1999, 2000
- * Bill Paul <wpaul@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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate
- * adapters and others.
- *
- * Written by Bill Paul <wpaul@ee.columbia.edu>
- * Electrical Engineering Department
- * Columbia University, New York City
- */
-
-/*
- * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The
- * RX filter uses a 512-bit multicast hash table, single perfect entry
- * for the station address, and promiscuous mode. Unlike the ADMtek
- * and KLSI chips, the CATC ASIC supports read and write combining
- * mode where multiple packets can be transfered using a single bulk
- * transaction, which helps performance a great deal.
- */
-
-#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 <net/if.h>
-#include <net/if_arp.h>
-#include <net/ethernet.h>
-#include <net/if_dl.h>
-#include <net/if_types.h>
-
-#include <net/bpf.h>
-
-#include <sys/bus.h>
-#include <machine/bus.h>
-
-#include <dev/usb/usb.h>
-#include <dev/usb/usbdi.h>
-#include <dev/usb/usbdi_util.h>
-#include <dev/usb/usbdivar.h>
-#include "usbdevs.h"
-#include <dev/usb/usb_ethersubr.h>
-
-#include <dev/usb/if_cuereg.h>
-
-/*
- * Various supported device vendors/products.
- */
-static struct cue_type cue_devs[] = {
- { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE },
- { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 },
- { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK },
- /* Belkin F5U111 adapter covered by NETMATE entry */
- { 0, 0 }
-};
-
-static device_probe_t cue_match;
-static device_attach_t cue_attach;
-static device_detach_t cue_detach;
-static device_shutdown_t cue_shutdown;
-
-static int cue_encap(struct cue_softc *, struct mbuf *, int);
-static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
-static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
-static void cue_tick(void *);
-static void cue_rxstart(struct ifnet *);
-static void cue_start(struct ifnet *);
-static int cue_ioctl(struct ifnet *, u_long, caddr_t);
-static void cue_init(void *);
-static void cue_stop(struct cue_softc *);
-static void cue_watchdog(struct ifnet *);
-
-static void cue_setmulti(struct cue_softc *);
-static uint32_t cue_mchash(const uint8_t *);
-static void cue_reset(struct cue_softc *);
-
-static int cue_csr_read_1(struct cue_softc *, int);
-static int cue_csr_write_1(struct cue_softc *, int, int);
-static int cue_csr_read_2(struct cue_softc *, int);
-#ifdef notdef
-static int cue_csr_write_2(struct cue_softc *, int, int);
-#endif
-static int cue_mem(struct cue_softc *, int, int, void *, int);
-static int cue_getmac(struct cue_softc *, void *);
-
-static device_method_t cue_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, cue_match),
- DEVMETHOD(device_attach, cue_attach),
- DEVMETHOD(device_detach, cue_detach),
- DEVMETHOD(device_shutdown, cue_shutdown),
-
- { 0, 0 }
-};
-
-static driver_t cue_driver = {
- "cue",
- cue_methods,
- sizeof(struct cue_softc)
-};
-
-static devclass_t cue_devclass;
-
-DRIVER_MODULE(cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0);
-MODULE_DEPEND(cue, usb, 1, 1, 1);
-MODULE_DEPEND(cue, ether, 1, 1, 1);
-
-#define CUE_SETBIT(sc, reg, x) \
- cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x))
-
-#define CUE_CLRBIT(sc, reg, x) \
- cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x))
-
-static int
-cue_csr_read_1(struct cue_softc *sc, int reg)
-{
- usb_device_request_t req;
- usbd_status err;
- u_int8_t val = 0;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- req.bmRequestType = UT_READ_VENDOR_DEVICE;
- req.bRequest = CUE_CMD_READREG;
- USETW(req.wValue, 0);
- USETW(req.wIndex, reg);
- USETW(req.wLength, 1);
-
- err = usbd_do_request(sc->cue_udev, &req, &val);
-
- CUE_UNLOCK(sc);
-
- if (err)
- return(0);
-
- return(val);
-}
-
-static int
-cue_csr_read_2(struct cue_softc *sc, int reg)
-{
- usb_device_request_t req;
- usbd_status err;
- u_int16_t val = 0;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- req.bmRequestType = UT_READ_VENDOR_DEVICE;
- req.bRequest = CUE_CMD_READREG;
- USETW(req.wValue, 0);
- USETW(req.wIndex, reg);
- USETW(req.wLength, 2);
-
- err = usbd_do_request(sc->cue_udev, &req, &val);
-
- CUE_UNLOCK(sc);
-
- if (err)
- return(0);
-
- return(val);
-}
-
-static int
-cue_csr_write_1(struct cue_softc *sc, int reg, int val)
-{
- usb_device_request_t req;
- usbd_status err;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
- req.bRequest = CUE_CMD_WRITEREG;
- USETW(req.wValue, val);
- USETW(req.wIndex, reg);
- USETW(req.wLength, 0);
-
- err = usbd_do_request(sc->cue_udev, &req, NULL);
-
- CUE_UNLOCK(sc);
-
- if (err)
- return(-1);
-
- return(0);
-}
-
-#ifdef notdef
-static int
-cue_csr_write_2(struct cue_softc *sc, int reg, int val)
-{
- usb_device_request_t req;
- usbd_status err;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
- req.bRequest = CUE_CMD_WRITEREG;
- USETW(req.wValue, val);
- USETW(req.wIndex, reg);
- USETW(req.wLength, 0);
-
- err = usbd_do_request(sc->cue_udev, &req, NULL);
-
- CUE_UNLOCK(sc);
-
- if (err)
- return(-1);
-
- return(0);
-}
-#endif
-
-static int
-cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len)
-{
- usb_device_request_t req;
- usbd_status err;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- if (cmd == CUE_CMD_READSRAM)
- req.bmRequestType = UT_READ_VENDOR_DEVICE;
- else
- req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
- req.bRequest = cmd;
- USETW(req.wValue, 0);
- USETW(req.wIndex, addr);
- USETW(req.wLength, len);
-
- err = usbd_do_request(sc->cue_udev, &req, buf);
-
- CUE_UNLOCK(sc);
-
- if (err)
- return(-1);
-
- return(0);
-}
-
-static int
-cue_getmac(struct cue_softc *sc, void *buf)
-{
- usb_device_request_t req;
- usbd_status err;
-
- if (sc->cue_dying)
- return(0);
-
- CUE_LOCK(sc);
-
- req.bmRequestType = UT_READ_VENDOR_DEVICE;
- req.bRequest = CUE_CMD_GET_MACADDR;
- USETW(req.wValue, 0);
- USETW(req.wIndex, 0);
- USETW(req.wLength, ETHER_ADDR_LEN);
-
- err = usbd_do_request(sc->cue_udev, &req, buf);
-
- CUE_UNLOCK(sc);
-
- if (err) {
- device_printf(sc->cue_dev, "read MAC address failed\n");
- return(-1);
- }
-
- return(0);
-}
-
-#define CUE_BITS 9
-
-static uint32_t
-cue_mchash(const uint8_t *addr)
-{
- uint32_t crc;
-
- /* Compute CRC for the address value. */
- crc = ether_crc32_le(addr, ETHER_ADDR_LEN);
-
- return (crc & ((1 << CUE_BITS) - 1));
-}
-
-static void
-cue_setmulti(struct cue_softc *sc)
-{
- struct ifnet *ifp;
- struct ifmultiaddr *ifma;
- u_int32_t h = 0, i;
-
- ifp = sc->cue_ifp;
-
- if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
- for (i = 0; i < CUE_MCAST_TABLE_LEN; i++)
- sc->cue_mctab[i] = 0xFF;
- cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR,
- &sc->cue_mctab, CUE_MCAST_TABLE_LEN);
- return;
- }
-
- /* first, zot all the existing hash bits */
- for (i = 0; i < CUE_MCAST_TABLE_LEN; i++)
- sc->cue_mctab[i] = 0;
-
- /* now program new ones */
- IF_ADDR_LOCK(ifp);
- TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
- {
- if (ifma->ifma_addr->sa_family != AF_LINK)
- continue;
- h = cue_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
- sc->cue_mctab[h >> 3] |= 1 << (h & 0x7);
- }
- IF_ADDR_UNLOCK(ifp);
-
- /*
- * Also include the broadcast address in the filter
- * so we can receive broadcast frames.
- */
- if (ifp->if_flags & IFF_BROADCAST) {
- h = cue_mchash(ifp->if_broadcastaddr);
- 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)
- device_printf(sc->cue_dev, "reset failed\n");
-
- /* Wait a little while for the chip to get its brains in order. */
- DELAY(1000);
- return;
-}
-
-/*
- * Probe for a Pegasus chip.
- */
-static int
-cue_match(device_t self)
-{
- struct usb_attach_arg *uaa = device_get_ivars(self);
- 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.
- */
-static int
-cue_attach(device_t self)
-{
- struct cue_softc *sc = device_get_softc(self);
- struct usb_attach_arg *uaa = device_get_ivars(self);
- u_char eaddr[ETHER_ADDR_LEN];
- struct ifnet *ifp;
- usb_interface_descriptor_t *id;
- usb_endpoint_descriptor_t *ed;
- int i;
-
- sc->cue_dev = self;
- sc->cue_iface = uaa->iface;
- sc->cue_udev = uaa->device;
-
- if (usbd_set_config_no(sc->cue_udev, CUE_CONFIG_NO, 0)) {
- device_printf(sc->cue_dev, "getting interface handle failed\n");
- return ENXIO;
- }
-
- id = usbd_get_interface_descriptor(uaa->iface);
-
- /* Find endpoints. */
- for (i = 0; i < id->bNumEndpoints; i++) {
- ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
- if (!ed) {
- device_printf(sc->cue_dev, "couldn't get ep %d\n", i);
- return ENXIO;
- }
- 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;
- }
- }
-
- mtx_init(&sc->cue_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
- MTX_DEF | MTX_RECURSE);
- CUE_LOCK(sc);
-
-#ifdef notdef
- /* Reset the adapter. */
- cue_reset(sc);
-#endif
- /*
- * Get station address.
- */
- cue_getmac(sc, &eaddr);
-
- ifp = sc->cue_ifp = if_alloc(IFT_ETHER);
- if (ifp == NULL) {
- device_printf(sc->cue_dev, "can not if_alloc()\n");
- CUE_UNLOCK(sc);
- mtx_destroy(&sc->cue_mtx);
- return ENXIO;
- }
- ifp->if_softc = sc;
- if_initname(ifp, "cue", device_get_unit(sc->cue_dev));
- ifp->if_mtu = ETHERMTU;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
- IFF_NEEDSGIANT;
- ifp->if_ioctl = cue_ioctl;
- 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;
-
- sc->cue_qdat.ifp = ifp;
- sc->cue_qdat.if_rxstart = cue_rxstart;
-
- /*
- * Call MI attach routine.
- */
- ether_ifattach(ifp, eaddr);
- callout_handle_init(&sc->cue_stat_ch);
- usb_register_netisr();
- sc->cue_dying = 0;
-
- CUE_UNLOCK(sc);
- return 0;
-}
-
-static int
-cue_detach(device_t dev)
-{
- struct cue_softc *sc;
- struct ifnet *ifp;
-
- sc = device_get_softc(dev);
- CUE_LOCK(sc);
- ifp = sc->cue_ifp;
-
- sc->cue_dying = 1;
- untimeout(cue_tick, sc, sc->cue_stat_ch);
- ether_ifdetach(ifp);
- if_free(ifp);
-
- 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);
- mtx_destroy(&sc->cue_mtx);
-
- return(0);
-}
-
-static void
-cue_rxstart(struct ifnet *ifp)
-{
- struct cue_softc *sc;
- struct ue_chain *c;
-
- sc = ifp->if_softc;
- CUE_LOCK(sc);
- c = &sc->cue_cdata.ue_rx_chain[sc->cue_cdata.ue_rx_prod];
-
- c->ue_mbuf = usb_ether_newbuf();
- if (c->ue_mbuf == NULL) {
- device_printf(sc->cue_dev, "no memory for rx list "
- "-- packet dropped!\n");
- ifp->if_ierrors++;
- CUE_UNLOCK(sc);
- return;
- }
-
- /* Setup new transfer. */
- usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX],
- c, mtod(c->ue_mbuf, char *), UE_BUFSZ, USBD_SHORT_XFER_OK,
- USBD_NO_TIMEOUT, cue_rxeof);
- usbd_transfer(c->ue_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 ue_chain *c;
- struct mbuf *m;
- struct ifnet *ifp;
- int total_len = 0;
- u_int16_t len;
-
- c = priv;
- sc = c->ue_sc;
- CUE_LOCK(sc);
- ifp = sc->cue_ifp;
-
- if (!(ifp->if_drv_flags & IFF_DRV_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))
- device_printf(sc->cue_dev, "usb error on rx: %s\n",
- 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->ue_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 = (void *)&sc->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->ue_xfer, sc->cue_ep[CUE_ENDPT_RX],
- c, mtod(c->ue_mbuf, char *), UE_BUFSZ, USBD_SHORT_XFER_OK,
- USBD_NO_TIMEOUT, cue_rxeof);
- usbd_transfer(c->ue_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 ue_chain *c;
- struct ifnet *ifp;
- usbd_status err;
-
- c = priv;
- sc = c->ue_sc;
- CUE_LOCK(sc);
- ifp = sc->cue_ifp;
-
- if (status != USBD_NORMAL_COMPLETION) {
- if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
- CUE_UNLOCK(sc);
- return;
- }
- device_printf(sc->cue_dev, "usb error on tx: %s\n",
- 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_drv_flags &= ~IFF_DRV_OACTIVE;
- usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &err);
-
- if (c->ue_mbuf != NULL) {
- c->ue_mbuf->m_pkthdr.rcvif = ifp;
- usb_tx_done(c->ue_mbuf);
- c->ue_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->cue_ifp;
-
- 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 ue_chain *c;
- usbd_status err;
-
- c = &sc->cue_cdata.ue_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->ue_buf + 2);
- c->ue_mbuf = m;
-
- total_len = m->m_pkthdr.len + 2;
-
- /* The first two bytes are the frame length */
- c->ue_buf[0] = (u_int8_t)m->m_pkthdr.len;
- c->ue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8);
-
- usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_TX],
- c, c->ue_buf, total_len, 0, 10000, cue_txeof);
-
- /* Transmit */
- err = usbd_transfer(c->ue_xfer);
- if (err != USBD_IN_PROGRESS) {
- cue_stop(sc);
- return(EIO);
- }
-
- sc->cue_cdata.ue_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_drv_flags & IFF_DRV_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_drv_flags |= IFF_DRV_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_drv_flags |= IFF_DRV_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->cue_ifp;
- struct ue_chain *c;
- usbd_status err;
- int i;
-
- if (ifp->if_drv_flags & IFF_DRV_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, IF_LLADDR(sc->cue_ifp)[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 (usb_ether_tx_list_init(sc, &sc->cue_cdata,
- sc->cue_udev) == ENOBUFS) {
- device_printf(sc->cue_dev, "tx list init failed\n");
- CUE_UNLOCK(sc);
- return;
- }
-
- /* Init RX ring. */
- if (usb_ether_rx_list_init(sc, &sc->cue_cdata,
- sc->cue_udev) == ENOBUFS) {
- device_printf(sc->cue_dev, "rx list init failed\n");
- 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) {
- device_printf(sc->cue_dev, "open rx pipe failed: %s\n",
- 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) {
- device_printf(sc->cue_dev, "open tx pipe failed: %s\n",
- usbd_errstr(err));
- CUE_UNLOCK(sc);
- return;
- }
-
- /* Start up the receive pipe. */
- for (i = 0; i < UE_RX_LIST_CNT; i++) {
- c = &sc->cue_cdata.ue_rx_chain[i];
- usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX],
- c, mtod(c->ue_mbuf, char *), UE_BUFSZ,
- USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof);
- usbd_transfer(c->ue_xfer);
- }
-
- ifp->if_drv_flags |= IFF_DRV_RUNNING;
- ifp->if_drv_flags &= ~IFF_DRV_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_drv_flags & IFF_DRV_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_drv_flags & IFF_DRV_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_drv_flags & IFF_DRV_RUNNING))
- cue_init(sc);
- } else {
- if (ifp->if_drv_flags & IFF_DRV_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 ue_chain *c;
- usbd_status stat;
-
- sc = ifp->if_softc;
- CUE_LOCK(sc);
-
- ifp->if_oerrors++;
- device_printf(sc->cue_dev, "watchdog timeout\n");
-
- c = &sc->cue_cdata.ue_tx_chain[0];
- usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat);
- cue_txeof(c->ue_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;
-
- CUE_LOCK(sc);
-
- ifp = sc->cue_ifp;
- 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) {
- device_printf(sc->cue_dev, "abort rx pipe failed: %s\n",
- usbd_errstr(err));
- }
- err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]);
- if (err) {
- device_printf(sc->cue_dev, "close rx pipe failed: %s\n",
- 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) {
- device_printf(sc->cue_dev, "abort tx pipe failed: %s\n",
- usbd_errstr(err));
- }
- err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]);
- if (err) {
- device_printf(sc->cue_dev, "close tx pipe failed: %s\n",
- 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) {
- device_printf(sc->cue_dev, "abort intr pipe failed: %s\n",
- usbd_errstr(err));
- }
- err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]);
- if (err) {
- device_printf(sc->cue_dev, "close intr pipe failed: %s\n",
- usbd_errstr(err));
- }
- sc->cue_ep[CUE_ENDPT_INTR] = NULL;
- }
-
- /* Free RX resources. */
- usb_ether_rx_list_free(&sc->cue_cdata);
- /* Free TX resources. */
- usb_ether_tx_list_free(&sc->cue_cdata);
-
- ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_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 int
-cue_shutdown(device_t dev)
-{
- struct cue_softc *sc;
-
- sc = device_get_softc(dev);
-
- CUE_LOCK(sc);
- cue_reset(sc);
- cue_stop(sc);
- CUE_UNLOCK(sc);
-
- return (0);
-}