diff options
| author | Andrew Thompson <thompsa@FreeBSD.org> | 2009-02-23 18:16:17 +0000 |
|---|---|---|
| committer | Andrew Thompson <thompsa@FreeBSD.org> | 2009-02-23 18:16:17 +0000 |
| commit | 3975e3a1eac3dd9077dc4523a8def1606ff1559c (patch) | |
| tree | 8f5871490a716fe01fdd8316568d9ba35036b3fa /sys/dev/usb/if_cue.c | |
| parent | 0b7dc0a7c6dd55638806705525107e6e74ed101c (diff) | |
Notes
Diffstat (limited to 'sys/dev/usb/if_cue.c')
| -rw-r--r-- | sys/dev/usb/if_cue.c | 1074 |
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); -} |
