diff options
Diffstat (limited to 'sys/legacy/dev/usb/if_axe.c')
| -rw-r--r-- | sys/legacy/dev/usb/if_axe.c | 1428 |
1 files changed, 1428 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/if_axe.c b/sys/legacy/dev/usb/if_axe.c new file mode 100644 index 0000000..65da32b --- /dev/null +++ b/sys/legacy/dev/usb/if_axe.c @@ -0,0 +1,1428 @@ +/*- + * Copyright (c) 1997, 1998, 1999, 2000-2003 + * Bill Paul <wpaul@windriver.com>. 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("$FreeBSD$"); + +/* + * ASIX Electronics AX88172/AX88178/AX88778 USB 2.0 ethernet driver. + * Used in the LinkSys USB200M and various other adapters. + * + * Manuals available from: + * http://www.asix.com.tw/datasheet/mac/Ax88172.PDF + * Note: you need the manual for the AX88170 chip (USB 1.x ethernet + * controller) to find the definitions for the RX control register. + * http://www.asix.com.tw/datasheet/mac/Ax88170.PDF + * + * Written by Bill Paul <wpaul@windriver.com> + * Senior Engineer + * Wind River Systems + */ + +/* + * The AX88172 provides USB ethernet supports at 10 and 100Mbps. + * It uses an external PHY (reference designs use a RealTek chip), + * and has a 64-bit multicast hash filter. There is some information + * missing from the manual which one needs to know in order to make + * the chip function: + * + * - You must set bit 7 in the RX control register, otherwise the + * chip won't receive any packets. + * - You must initialize all 3 IPG registers, or you won't be able + * to send any packets. + * + * Note that this device appears to only support loading the station + * address via autload from the EEPROM (i.e. there's no way to manaully + * set it). + * + * (Adam Weinberger wanted me to name this driver if_gir.c.) + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/endian.h> +#include <sys/sockio.h> +#include <sys/mbuf.h> +#include <sys/malloc.h> +#include <sys/lock.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/socket.h> +#include <sys/sx.h> + +#include <net/if.h> +#include <net/if_arp.h> +#include <net/ethernet.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#include <net/bpf.h> + +#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/mii/mii.h> +#include <dev/mii/miivar.h> + +/* "device miibus" required. See GENERIC if you get errors here. */ +#include "miibus_if.h" + +/* + * AXE_178_MAX_FRAME_BURST + * max frame burst size for Ax88178 and Ax88772 + * 0 2048 bytes + * 1 4096 bytes + * 2 8192 bytes + * 3 16384 bytes + * use the largest your system can handle without usb stalling. + * + * NB: 88772 parts appear to generate lots of input errors with + * a 2K rx buffer and 8K is only slightly faster than 4K on an + * EHCI port on a T42 so change at your own risk. + */ +#define AXE_178_MAX_FRAME_BURST 1 + +#include <dev/usb/if_axereg.h> + +/* + * Various supported device vendors/products. + */ +const struct axe_type axe_devs[] = { + { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UF200}, 0 }, + { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, + { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET}, AX772 }, + { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, + { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, + { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, + { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, + { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, + { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, + { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, + { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, + { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, + { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, + { { USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E}, 0 }, + { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2 }, AX178 }, + { { USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1}, 0 }, + { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, + { { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000 }, AX178 }, + { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, + { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, + { { USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS }, AX772 }, + { { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T }, AX178 }, + { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, + { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, + { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028 }, AX178 } +}; + +#define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) + +static device_probe_t axe_match; +static device_attach_t axe_attach; +static device_detach_t axe_detach; +static device_shutdown_t axe_shutdown; +static miibus_readreg_t axe_miibus_readreg; +static miibus_writereg_t axe_miibus_writereg; +static miibus_statchg_t axe_miibus_statchg; + +static int axe_encap(struct axe_softc *, struct mbuf *, int); +static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); +static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); +static void axe_tick(void *); +static void axe_tick_task(void *); +static void axe_start(struct ifnet *); +static int axe_ioctl(struct ifnet *, u_long, caddr_t); +static void axe_init(void *); +static void axe_stop(struct axe_softc *); +static void axe_watchdog(struct ifnet *); +static int axe_cmd(struct axe_softc *, int, int, int, void *); +static int axe_ifmedia_upd(struct ifnet *); +static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); + +static void axe_setmulti(struct axe_softc *); + +static device_method_t axe_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, axe_match), + DEVMETHOD(device_attach, axe_attach), + DEVMETHOD(device_detach, axe_detach), + DEVMETHOD(device_shutdown, axe_shutdown), + + /* bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_driver_added, bus_generic_driver_added), + + /* MII interface */ + DEVMETHOD(miibus_readreg, axe_miibus_readreg), + DEVMETHOD(miibus_writereg, axe_miibus_writereg), + DEVMETHOD(miibus_statchg, axe_miibus_statchg), + + { 0, 0 } +}; + +static driver_t axe_driver = { + "axe", + axe_methods, + sizeof(struct axe_softc) +}; + +static devclass_t axe_devclass; + +DRIVER_MODULE(axe, uhub, axe_driver, axe_devclass, usbd_driver_load, 0); +DRIVER_MODULE(miibus, axe, miibus_driver, miibus_devclass, 0, 0); +MODULE_DEPEND(axe, usb, 1, 1, 1); +MODULE_DEPEND(axe, miibus, 1, 1, 1); + +static int +axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) +{ + usb_device_request_t req; + usbd_status err; + + AXE_SLEEPLOCKASSERT(sc); + if (sc->axe_dying) + return(0); + + if (AXE_CMD_DIR(cmd)) + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + else + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = AXE_CMD_CMD(cmd); + USETW(req.wValue, val); + USETW(req.wIndex, index); + USETW(req.wLength, AXE_CMD_LEN(cmd)); + + err = usbd_do_request(sc->axe_udev, &req, buf); + + if (err) + return(-1); + + return(0); +} + +static int +axe_miibus_readreg(device_t dev, int phy, int reg) +{ + struct axe_softc *sc = device_get_softc(dev); + usbd_status err; + u_int16_t val; + + if (sc->axe_dying) + return(0); + + AXE_SLEEPLOCKASSERT(sc); +#ifdef notdef + /* + * The chip tells us the MII address of any supported + * PHYs attached to the chip, so only read from those. + */ + + if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) + return (0); + + if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) + return (0); +#endif + if (sc->axe_phyaddrs[0] != 0xFF && sc->axe_phyaddrs[0] != phy) + return (0); + + AXE_LOCK(sc); + axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); + err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); + axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); + AXE_UNLOCK(sc); + + if (err) { + device_printf(sc->axe_dev, "read PHY failed\n"); + return(-1); + } + + if (val && val != 0xffff) + sc->axe_phyaddrs[0] = phy; + + return (le16toh(val)); +} + +static int +axe_miibus_writereg(device_t dev, int phy, int reg, int val) +{ + struct axe_softc *sc = device_get_softc(dev); + usbd_status err; + + if (sc->axe_dying) + return(0); + + AXE_SLEEPLOCKASSERT(sc); + AXE_LOCK(sc); + axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); + val = htole32(val); + err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); + axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); + AXE_UNLOCK(sc); + + if (err) { + device_printf(sc->axe_dev, "write PHY failed\n"); + return(-1); + } + + return (0); +} + +static void +axe_miibus_statchg(device_t dev) +{ + struct axe_softc *sc = device_get_softc(dev); + struct mii_data *mii = GET_MII(sc); + int val, err; + + val = (mii->mii_media_active & IFM_GMASK) == IFM_FDX ? + AXE_MEDIA_FULL_DUPLEX : 0; + if (sc->axe_flags & (AX178|AX772)) { + val |= AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC; + + switch (IFM_SUBTYPE(mii->mii_media_active)) { + case IFM_1000_T: + val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; + break; + case IFM_100_TX: + val |= AXE_178_MEDIA_100TX; + break; + case IFM_10_T: + /* doesn't need to be handled */ + break; + } + } + err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); + if (err) + device_printf(dev, "media change failed, error %d\n", err); +} + +/* + * Set media options. + */ +static int +axe_ifmedia_upd(struct ifnet *ifp) +{ + struct axe_softc *sc = ifp->if_softc; + struct mii_data *mii = GET_MII(sc); + + sc->axe_link = 0; + if (mii->mii_instance) { + struct mii_softc *miisc; + LIST_FOREACH(miisc, &mii->mii_phys, mii_list) + mii_phy_reset(miisc); + } + mii_mediachg(mii); + + return (0); +} + +/* + * Report current media status. + */ +static void +axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) +{ + struct axe_softc *sc = ifp->if_softc; + struct mii_data *mii = GET_MII(sc); + + mii_pollstat(mii); + ifmr->ifm_active = mii->mii_media_active; + ifmr->ifm_status = mii->mii_media_status; + + return; +} + +static void +axe_setmulti(struct axe_softc *sc) +{ + struct ifnet *ifp; + struct ifmultiaddr *ifma; + u_int32_t h = 0; + u_int16_t rxmode; + u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + + ifp = sc->axe_ifp; + + AXE_LOCK(sc); + axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); + rxmode = le16toh(rxmode); + + if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { + rxmode |= AXE_RXCMD_ALLMULTI; + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); + AXE_UNLOCK(sc); + return; + } else + rxmode &= ~AXE_RXCMD_ALLMULTI; + + IF_ADDR_LOCK(ifp); + TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) + { + if (ifma->ifma_addr->sa_family != AF_LINK) + continue; + h = ether_crc32_be(LLADDR((struct sockaddr_dl *) + ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; + hashtbl[h / 8] |= 1 << (h % 8); + } + IF_ADDR_UNLOCK(ifp); + + axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); + AXE_UNLOCK(sc); + + return; +} + +static void +axe_ax88178_init(struct axe_softc *sc) +{ + int gpio0 = 0, phymode = 0; + u_int16_t eeprom; + + axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); + /* XXX magic */ + axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); + eeprom = le16toh(eeprom); + axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); + + /* if EEPROM is invalid we have to use to GPIO0 */ + if (eeprom == 0xffff) { + phymode = 0; + gpio0 = 1; + } else { + phymode = eeprom & 7; + gpio0 = (eeprom & 0x80) ? 0 : 1; + } + + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); + usbd_delay_ms(sc->axe_udev, 40); + if ((eeprom >> 8) != 1) { + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); + usbd_delay_ms(sc->axe_udev, 30); + + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); + usbd_delay_ms(sc->axe_udev, 300); + + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); + usbd_delay_ms(sc->axe_udev, 30); + } else { + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); + usbd_delay_ms(sc->axe_udev, 30); + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); + usbd_delay_ms(sc->axe_udev, 30); + } + + /* soft reset */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 0, NULL); + usbd_delay_ms(sc->axe_udev, 150); + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, + AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); + usbd_delay_ms(sc->axe_udev, 150); + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); +} + +static void +axe_ax88772_init(struct axe_softc *sc) +{ + axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); + usbd_delay_ms(sc->axe_udev, 40); + + if (sc->axe_phyaddrs[1] == AXE_INTPHY) { + /* ask for embedded PHY */ + axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); + usbd_delay_ms(sc->axe_udev, 10); + + /* power down and reset state, pin reset state */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); + usbd_delay_ms(sc->axe_udev, 60); + + /* power down/reset state, pin operating state */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, + AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); + usbd_delay_ms(sc->axe_udev, 150); + + /* power up, reset */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); + + /* power up, operating */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, + AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); + } else { + /* ask for external PHY */ + axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); + usbd_delay_ms(sc->axe_udev, 10); + + /* power down/reset state, pin operating state */ + axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, + AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); + } + + usbd_delay_ms(sc->axe_udev, 150); + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); +} + +static void +axe_reset(struct axe_softc *sc) +{ + if (sc->axe_dying) + return; + + if (usbd_set_config_no(sc->axe_udev, AXE_CONFIG_NO, 1) || + usbd_device2interface_handle(sc->axe_udev, AXE_IFACE_IDX, + &sc->axe_iface)) { + device_printf(sc->axe_dev, "getting interface handle failed\n"); + } + + /* Wait a little while for the chip to get its brains in order. */ + DELAY(1000); + return; +} + +/* + * Probe for a AX88172 chip. + */ +static int +axe_match(device_t self) +{ + struct usb_attach_arg *uaa = device_get_ivars(self); + + if (!uaa->iface) + return(UMATCH_NONE); + return (axe_lookup(uaa->vendor, uaa->product) != NULL ? + UMATCH_VENDOR_PRODUCT : UMATCH_NONE); +} + +/* + * Attach the interface. Allocate softc structures, do ifmedia + * setup and ethernet/BPF attach. + */ +static int +axe_attach(device_t self) +{ + struct axe_softc *sc = device_get_softc(self); + struct usb_attach_arg *uaa = device_get_ivars(self); + const struct axe_type *type; + u_char eaddr[ETHER_ADDR_LEN]; + struct ifnet *ifp; + usb_interface_descriptor_t *id; + usb_endpoint_descriptor_t *ed; + int i; + + sc->axe_udev = uaa->device; + sc->axe_dev = self; + type = axe_lookup(uaa->vendor, uaa->product); + if (type != NULL) + sc->axe_flags = type->axe_flags; + + if (usbd_set_config_no(sc->axe_udev, AXE_CONFIG_NO, 1)) { + device_printf(sc->axe_dev, "getting interface handle failed\n"); + return ENXIO; + } + + usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); + + if (usbd_device2interface_handle(uaa->device, + AXE_IFACE_IDX, &sc->axe_iface)) { + device_printf(sc->axe_dev, "getting interface handle failed\n"); + return ENXIO; + } + + sc->axe_boundary = 64; + if (sc->axe_flags & (AX178|AX772)) { + if (sc->axe_udev->speed == USB_SPEED_HIGH) { + sc->axe_bufsz = AXE_178_MAX_BUFSZ; + sc->axe_boundary = 512; + } else + sc->axe_bufsz = AXE_178_MIN_BUFSZ; + } else + sc->axe_bufsz = AXE_172_BUFSZ; +{ /* XXX debug */ +device_printf(sc->axe_dev, "%s, bufsz %d, boundary %d\n", + sc->axe_flags & AX178 ? "AX88178" : + sc->axe_flags & AX772 ? "AX88772" : "AX88172", + sc->axe_bufsz, sc->axe_boundary); +} + + id = usbd_get_interface_descriptor(sc->axe_iface); + + /* Find endpoints. */ + for (i = 0; i < id->bNumEndpoints; i++) { + ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); + if (!ed) { + device_printf(sc->axe_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->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { + sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; + } + } + + mtx_init(&sc->axe_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK, + MTX_DEF | MTX_RECURSE); + sx_init(&sc->axe_sleeplock, device_get_nameunit(self)); + AXE_SLEEPLOCK(sc); + AXE_LOCK(sc); + + /* We need the PHYID for the init dance in some cases */ + axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); + + if (sc->axe_flags & AX178) + axe_ax88178_init(sc); + else if (sc->axe_flags & AX772) + axe_ax88772_init(sc); + + /* + * Get station address. + */ + if (sc->axe_flags & (AX178|AX772)) + axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); + else + axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); + + /* + * Fetch IPG values. + */ + axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); + + /* + * Work around broken adapters that appear to lie about + * their PHY addresses. + */ + sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; + + ifp = sc->axe_ifp = if_alloc(IFT_ETHER); + if (ifp == NULL) { + device_printf(sc->axe_dev, "can not if_alloc()\n"); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + sx_destroy(&sc->axe_sleeplock); + mtx_destroy(&sc->axe_mtx); + return ENXIO; + } + ifp->if_softc = sc; + if_initname(ifp, "axe", device_get_unit(sc->axe_dev)); + ifp->if_mtu = ETHERMTU; + ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | + IFF_NEEDSGIANT; + ifp->if_ioctl = axe_ioctl; + ifp->if_start = axe_start; + ifp->if_watchdog = axe_watchdog; + ifp->if_init = axe_init; + IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); + ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; + IFQ_SET_READY(&ifp->if_snd); + + if (mii_phy_probe(self, &sc->axe_miibus, + axe_ifmedia_upd, axe_ifmedia_sts)) { + device_printf(sc->axe_dev, "MII without any PHY!\n"); + if_free(ifp); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + sx_destroy(&sc->axe_sleeplock); + mtx_destroy(&sc->axe_mtx); + return ENXIO; + } + + /* + * Call MI attach routine. + */ + + ether_ifattach(ifp, eaddr); + callout_handle_init(&sc->axe_stat_ch); + usb_register_netisr(); + + sc->axe_dying = 0; + + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + + return 0; +} + +static int +axe_detach(device_t dev) +{ + struct axe_softc *sc; + struct ifnet *ifp; + + sc = device_get_softc(dev); + AXE_LOCK(sc); + ifp = sc->axe_ifp; + + sc->axe_dying = 1; + untimeout(axe_tick, sc, sc->axe_stat_ch); + usb_rem_task(sc->axe_udev, &sc->axe_tick_task); + + ether_ifdetach(ifp); + if_free(ifp); + + if (sc->axe_ep[AXE_ENDPT_TX] != NULL) + usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); + if (sc->axe_ep[AXE_ENDPT_RX] != NULL) + usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); + if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) + usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); + + AXE_UNLOCK(sc); + sx_destroy(&sc->axe_sleeplock); + mtx_destroy(&sc->axe_mtx); + + return(0); +} + +static int +axe_rx_list_init(struct axe_softc *sc) +{ + struct axe_cdata *cd; + struct axe_chain *c; + int i; + + cd = &sc->axe_cdata; + for (i = 0; i < AXE_RX_LIST_CNT; i++) { + c = &cd->axe_rx_chain[i]; + c->axe_sc = sc; + c->axe_idx = i; + c->axe_mbuf = NULL; + if (c->axe_xfer == NULL) { + c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); + if (c->axe_xfer == NULL) + return (ENOBUFS); + c->axe_buf = usbd_alloc_buffer(c->axe_xfer, + sc->axe_bufsz); + if (c->axe_buf == NULL) { + usbd_free_xfer(c->axe_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +static void +axe_rx_list_free(struct axe_softc *sc) +{ + int i; + + for (i = 0; i < AXE_RX_LIST_CNT; i++) { + if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { + m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); + sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; + } + if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { + usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); + sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; + } + } +} + +static int +axe_tx_list_init(struct axe_softc *sc) +{ + struct axe_cdata *cd; + struct axe_chain *c; + int i; + + cd = &sc->axe_cdata; + for (i = 0; i < AXE_TX_LIST_CNT; i++) { + c = &cd->axe_tx_chain[i]; + c->axe_sc = sc; + c->axe_idx = i; + c->axe_mbuf = NULL; + if (c->axe_xfer == NULL) { + c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); + if (c->axe_xfer == NULL) + return (ENOBUFS); + c->axe_buf = usbd_alloc_buffer(c->axe_xfer, + sc->axe_bufsz); + if (c->axe_buf == NULL) { + usbd_free_xfer(c->axe_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +static void +axe_tx_list_free(struct axe_softc *sc) +{ + int i; + + /* Free TX resources. */ + for (i = 0; i < AXE_TX_LIST_CNT; i++) { + if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { + m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); + sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; + } + if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { + usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); + sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; + } + } +} + +/* + * A frame has been uploaded: pass the resulting mbuf chain up to + * the higher level protocols. + */ +static void +axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct axe_softc *sc; + struct axe_chain *c = (struct axe_chain *) priv; + struct mbuf *m; + u_char *buf; + struct ifnet *ifp; + struct axe_sframe_hdr *hdr; + int total_len = 0; + int pktlen = 0; + + sc = c->axe_sc; + AXE_LOCK(sc); + ifp = sc->axe_ifp; + + if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { + AXE_UNLOCK(sc); + return; + } + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { + AXE_UNLOCK(sc); + return; + } + if (usbd_ratecheck(&sc->axe_rx_notice)) + device_printf(sc->axe_dev, "usb error on rx: %s\n", + usbd_errstr(status)); + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_RX]); + goto done; + } + + usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); + + buf = c->axe_buf; + + do { + if (sc->axe_flags & (AX178|AX772)) { + if (total_len < sizeof(struct axe_sframe_hdr)) { + ifp->if_ierrors++; + goto done; + } + if ((pktlen % 2) != 0) + pktlen++; + buf += pktlen; + + hdr = (struct axe_sframe_hdr *) buf; + total_len -= sizeof(struct axe_sframe_hdr); + if ((hdr->len ^ hdr->ilen) != 0xffff) { + ifp->if_ierrors++; + goto done; + } + pktlen = le16toh(hdr->len); + if (pktlen > total_len) { + ifp->if_ierrors++; + goto done; + } + + buf += sizeof(struct axe_sframe_hdr); + total_len -= pktlen + (pktlen % 2); + } else { + pktlen = total_len; + total_len = 0; + } + + if (pktlen < sizeof(struct ether_header)) { + ifp->if_ierrors++; + goto done; + } + m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); + if (m == NULL) { + ifp->if_ierrors++; + goto done; + } + m->m_data += ETHER_ALIGN; + memcpy(mtod(m, void *), buf, pktlen); + m->m_pkthdr.len = m->m_len = pktlen; + m->m_pkthdr.rcvif = ifp; + + ifp->if_input(ifp, m); + ifp->if_ipackets++; + } while (total_len > 0); + /* fall thru... */ +done: + /* Setup new transfer. */ + usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], + c, c->axe_buf, sc->axe_bufsz, USBD_SHORT_XFER_OK | USBD_NO_COPY, + USBD_NO_TIMEOUT, axe_rxeof); + usbd_transfer(xfer); + AXE_UNLOCK(sc); + + return; +} + +/* + * A frame was downloaded to the chip. It's safe for us to clean up + * the list buffers. + */ + +static void +axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct axe_softc *sc; + struct axe_chain *c; + struct ifnet *ifp; + usbd_status err; + + c = priv; + sc = c->axe_sc; + AXE_LOCK(sc); + ifp = sc->axe_ifp; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { + AXE_UNLOCK(sc); + return; + } + device_printf(sc->axe_dev, "usb error on tx: %s\n", + usbd_errstr(status)); + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_TX]); + AXE_UNLOCK(sc); + return; + } + + ifp->if_timer = 0; + ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; + usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &err); + + if (c->axe_mbuf != NULL) { + m_freem(c->axe_mbuf); + c->axe_mbuf = NULL; + } + + if (err) + ifp->if_oerrors++; + else + ifp->if_opackets++; + + AXE_UNLOCK(sc); + + if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + axe_start(ifp); + + return; +} + +static void +axe_tick(void *xsc) +{ + struct axe_softc *sc = xsc; + + if (sc == NULL) + return; + if (sc->axe_dying) + return; + + /* Perform periodic stuff in process context */ + usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); +} + +static void +axe_tick_task(void *xsc) +{ + struct axe_softc *sc; + struct ifnet *ifp; + struct mii_data *mii; + + sc = xsc; + + if (sc == NULL) + return; + + AXE_SLEEPLOCK(sc); + AXE_LOCK(sc); + + ifp = sc->axe_ifp; + mii = GET_MII(sc); + if (mii == NULL) { + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + return; + } + + mii_tick(mii); + if (!sc->axe_link && mii->mii_media_status & IFM_ACTIVE && + IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { + sc->axe_link++; + if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + axe_start(ifp); + } + + sc->axe_stat_ch = timeout(axe_tick, sc, hz); + + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + + return; +} + +static int +axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) +{ + struct axe_chain *c; + usbd_status err; + struct axe_sframe_hdr hdr; + int length; + + c = &sc->axe_cdata.axe_tx_chain[idx]; + + /* + * Copy the mbuf data into a contiguous buffer, leaving two + * bytes at the beginning to hold the frame length. + */ + if (sc->axe_flags & (AX178|AX772)) { + hdr.len = htole16(m->m_pkthdr.len); + hdr.ilen = ~hdr.len; + + memcpy(c->axe_buf, &hdr, sizeof(hdr)); + length = sizeof(hdr); + + m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); + length += m->m_pkthdr.len; + + if ((length % sc->axe_boundary) == 0) { + hdr.len = 0; + hdr.ilen = 0xffff; + memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); + length += sizeof(hdr); + } + } else { + m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); + length = m->m_pkthdr.len; + } + c->axe_mbuf = m; + + usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], + c, c->axe_buf, length, USBD_FORCE_SHORT_XFER, 10000, axe_txeof); + + /* Transmit */ + err = usbd_transfer(c->axe_xfer); + if (err != USBD_IN_PROGRESS) { + /* XXX probably don't want to sleep here */ + AXE_SLEEPLOCK(sc); + axe_stop(sc); + AXE_SLEEPUNLOCK(sc); + return(EIO); + } + + sc->axe_cdata.axe_tx_cnt++; + + return(0); +} + +static void +axe_start(struct ifnet *ifp) +{ + struct axe_softc *sc; + struct mbuf *m_head = NULL; + + sc = ifp->if_softc; + AXE_LOCK(sc); + + if (!sc->axe_link) { + AXE_UNLOCK(sc); + return; + } + + if (ifp->if_drv_flags & IFF_DRV_OACTIVE) { + AXE_UNLOCK(sc); + return; + } + + IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); + if (m_head == NULL) { + AXE_UNLOCK(sc); + return; + } + + if (axe_encap(sc, m_head, 0)) { + IFQ_DRV_PREPEND(&ifp->if_snd, m_head); + ifp->if_drv_flags |= IFF_DRV_OACTIVE; + AXE_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; + AXE_UNLOCK(sc); + + return; +} + +static void +axe_init(void *xsc) +{ + struct axe_softc *sc = xsc; + struct ifnet *ifp = sc->axe_ifp; + struct axe_chain *c; + usbd_status err; + int i; + int rxmode; + + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + return; + + AXE_SLEEPLOCK(sc); + AXE_LOCK(sc); + + /* + * Cancel pending I/O and free all RX/TX buffers. + */ + + axe_reset(sc); + +#ifdef notdef + /* Set MAC address */ + axe_mac(sc, IF_LLADDR(sc->axe_ifp), 1); +#endif + + /* Enable RX logic. */ + + /* Init TX ring. */ + if (axe_tx_list_init(sc) == ENOBUFS) { + device_printf(sc->axe_dev, "tx list init failed\n"); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + return; + } + + /* Init RX ring. */ + if (axe_rx_list_init(sc) == ENOBUFS) { + device_printf(sc->axe_dev, "rx list init failed\n"); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + return; + } + + /* Set transmitter IPG values */ + if (sc->axe_flags & (AX178|AX772)) { + axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], + (sc->axe_ipgs[1]<<8) | sc->axe_ipgs[0], NULL); + } else { + axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); + axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); + axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); + } + + /* Enable receiver, set RX mode */ + rxmode = AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; + if (sc->axe_flags & (AX178|AX772)) { + if (sc->axe_bufsz == AXE_178_MAX_BUFSZ) + rxmode |= AXE_178_RXCMD_MFB; + } else + rxmode |= AXE_172_RXCMD_UNICAST; + + /* If we want promiscuous mode, set the allframes bit. */ + if (ifp->if_flags & IFF_PROMISC) + rxmode |= AXE_RXCMD_PROMISC; + + if (ifp->if_flags & IFF_BROADCAST) + rxmode |= AXE_RXCMD_BROADCAST; + + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); + + /* Load the multicast filter. */ + axe_setmulti(sc); + + /* Open RX and TX pipes. */ + err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], + USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); + if (err) { + device_printf(sc->axe_dev, "open rx pipe failed: %s\n", + usbd_errstr(err)); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + return; + } + + err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], + USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); + if (err) { + device_printf(sc->axe_dev, "open tx pipe failed: %s\n", + usbd_errstr(err)); + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + return; + } + + /* Start up the receive pipe. */ + for (i = 0; i < AXE_RX_LIST_CNT; i++) { + c = &sc->axe_cdata.axe_rx_chain[i]; + usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], + c, c->axe_buf, sc->axe_bufsz, + USBD_SHORT_XFER_OK | USBD_NO_COPY, + USBD_NO_TIMEOUT, axe_rxeof); + usbd_transfer(c->axe_xfer); + } + + ifp->if_drv_flags |= IFF_DRV_RUNNING; + ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; + + AXE_UNLOCK(sc); + AXE_SLEEPUNLOCK(sc); + + sc->axe_stat_ch = timeout(axe_tick, sc, hz); + + return; +} + +static int +axe_ioctl(struct ifnet *ifp, u_long command, caddr_t data) +{ + struct axe_softc *sc = ifp->if_softc; + struct ifreq *ifr = (struct ifreq *)data; + struct mii_data *mii; + u_int16_t rxmode; + int error = 0; + + switch(command) { + case SIOCSIFFLAGS: + if (ifp->if_flags & IFF_UP) { + if (ifp->if_drv_flags & IFF_DRV_RUNNING && + ifp->if_flags & IFF_PROMISC && + !(sc->axe_if_flags & IFF_PROMISC)) { + AXE_SLEEPLOCK(sc); + AXE_LOCK(sc); + axe_cmd(sc, AXE_CMD_RXCTL_READ, + 0, 0, (void *)&rxmode); + rxmode = le16toh(rxmode); + rxmode |= AXE_RXCMD_PROMISC; + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, + 0, rxmode, NULL); + AXE_UNLOCK(sc); + axe_setmulti(sc); + AXE_SLEEPUNLOCK(sc); + } else if (ifp->if_drv_flags & IFF_DRV_RUNNING && + !(ifp->if_flags & IFF_PROMISC) && + sc->axe_if_flags & IFF_PROMISC) { + AXE_SLEEPLOCK(sc); + AXE_LOCK(sc); + axe_cmd(sc, AXE_CMD_RXCTL_READ, + 0, 0, (void *)&rxmode); + rxmode = le16toh(rxmode); + rxmode &= ~AXE_RXCMD_PROMISC; + axe_cmd(sc, AXE_CMD_RXCTL_WRITE, + 0, rxmode, NULL); + AXE_UNLOCK(sc); + axe_setmulti(sc); + AXE_SLEEPUNLOCK(sc); + } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) + axe_init(sc); + } else { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + AXE_SLEEPLOCK(sc); + axe_stop(sc); + AXE_SLEEPUNLOCK(sc); + } + } + sc->axe_if_flags = ifp->if_flags; + error = 0; + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + AXE_SLEEPLOCK(sc); + axe_setmulti(sc); + AXE_SLEEPUNLOCK(sc); + error = 0; + break; + case SIOCGIFMEDIA: + case SIOCSIFMEDIA: + AXE_SLEEPLOCK(sc); + mii = GET_MII(sc); + error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); + AXE_SLEEPUNLOCK(sc); + break; + + default: + error = ether_ioctl(ifp, command, data); + break; + } + + return(error); +} + +static void +axe_watchdog(struct ifnet *ifp) +{ + struct axe_softc *sc; + struct axe_chain *c; + usbd_status stat; + + sc = ifp->if_softc; + AXE_LOCK(sc); + + ifp->if_oerrors++; + device_printf(sc->axe_dev, "watchdog timeout\n"); + + c = &sc->axe_cdata.axe_tx_chain[0]; + usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); + axe_txeof(c->axe_xfer, c, stat); + + AXE_UNLOCK(sc); + + if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) + axe_start(ifp); + + return; +} + +/* + * Stop the adapter and free any mbufs allocated to the + * RX and TX lists. + */ +static void +axe_stop(struct axe_softc *sc) +{ + usbd_status err; + struct ifnet *ifp; + + AXE_SLEEPLOCKASSERT(sc); + AXE_LOCK(sc); + + ifp = sc->axe_ifp; + ifp->if_timer = 0; + + untimeout(axe_tick, sc, sc->axe_stat_ch); + + /* Stop transfers. */ + if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { + err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); + if (err) { + device_printf(sc->axe_dev, "abort rx pipe failed: %s\n", + usbd_errstr(err)); + } + err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); + if (err) { + device_printf(sc->axe_dev, "close rx pipe failed: %s\n", + usbd_errstr(err)); + } + sc->axe_ep[AXE_ENDPT_RX] = NULL; + } + + if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { + err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); + if (err) { + device_printf(sc->axe_dev, "abort tx pipe failed: %s\n", + usbd_errstr(err)); + } + err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); + if (err) { + device_printf(sc->axe_dev, "close tx pipe failed: %s\n", + usbd_errstr(err)); + } + sc->axe_ep[AXE_ENDPT_TX] = NULL; + } + + if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { + err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); + if (err) { + device_printf(sc->axe_dev, + "abort intr pipe failed: %s\n", usbd_errstr(err)); + } + err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); + if (err) { + device_printf(sc->axe_dev, + "close intr pipe failed: %s\n", usbd_errstr(err)); + } + sc->axe_ep[AXE_ENDPT_INTR] = NULL; + } + + axe_reset(sc); + + /* Free RX resources. */ + axe_rx_list_free(sc); + /* Free TX resources. */ + axe_tx_list_free(sc); + + ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); + sc->axe_link = 0; + AXE_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 +axe_shutdown(device_t dev) +{ + struct axe_softc *sc; + + sc = device_get_softc(dev); + + AXE_SLEEPLOCK(sc); + axe_stop(sc); + AXE_SLEEPUNLOCK(sc); + + return (0); +} |
