/*- * Copyright (c) 1997, 1998, 1999, 2000-2003 * Bill Paul . 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 __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 * 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.) */ /* * Ax88178 and Ax88772 support backported from the OpenBSD driver. * 2007/02/12, J.R. Oldroyd, fbsd@opal.com * * Manual here: * http://www.asix.com.tw/FrootAttach/datasheet/AX88178_datasheet_Rev10.pdf * http://www.asix.com.tw/FrootAttach/datasheet/AX88772_datasheet_Rev10.pdf */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usbdevs.h" #define USB_DEBUG_VAR axe_debug #include #include #include #include /* * 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 #if USB_DEBUG static int axe_debug = 0; SYSCTL_NODE(_hw_usb, OID_AUTO, axe, CTLFLAG_RW, 0, "USB axe"); SYSCTL_INT(_hw_usb_axe, OID_AUTO, debug, CTLFLAG_RW, &axe_debug, 0, "Debug level"); #endif /* * Various supported device vendors/products. */ static const struct usb_device_id axe_devs[] = { {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UF200, 0)}, {USB_VPI(USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2, 0)}, {USB_VPI(USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172, 0)}, {USB_VPI(USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772A, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T, 0)}, {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR, 0)}, {USB_VPI(USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX, 0)}, {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100, 0)}, {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E, 0)}, {USB_VPI(USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1, 0)}, {USB_VPI(USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M, 0)}, {USB_VPI(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX, 0)}, {USB_VPI(USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120, 0)}, {USB_VPI(USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS, AXE_FLAG_772)}, {USB_VPI(USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029, 0)}, {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028, AXE_FLAG_178)}, {USB_VPI(USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL, 0)}, }; static device_probe_t axe_probe; static device_attach_t axe_attach; static device_detach_t axe_detach; static usb_callback_t axe_intr_callback; static usb_callback_t axe_bulk_read_callback; static usb_callback_t axe_bulk_write_callback; static miibus_readreg_t axe_miibus_readreg; static miibus_writereg_t axe_miibus_writereg; static miibus_statchg_t axe_miibus_statchg; static uether_fn_t axe_attach_post; static uether_fn_t axe_init; static uether_fn_t axe_stop; static uether_fn_t axe_start; static uether_fn_t axe_tick; static uether_fn_t axe_setmulti; static uether_fn_t axe_setpromisc; static int axe_ifmedia_upd(struct ifnet *); static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); static int axe_cmd(struct axe_softc *, int, int, int, void *); static void axe_ax88178_init(struct axe_softc *); static void axe_ax88772_init(struct axe_softc *); static int axe_get_phyno(struct axe_softc *, int); static const struct usb_config axe_config[AXE_N_TRANSFER] = { [AXE_BULK_DT_WR] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = AXE_BULK_BUF_SIZE, .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = axe_bulk_write_callback, .timeout = 10000, /* 10 seconds */ }, [AXE_BULK_DT_RD] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = 16384, /* bytes */ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = axe_bulk_read_callback, .timeout = 0, /* no timeout */ }, [AXE_INTR_DT_RD] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .bufsize = 0, /* use wMaxPacketSize */ .callback = axe_intr_callback, }, }; static device_method_t axe_methods[] = { /* Device interface */ DEVMETHOD(device_probe, axe_probe), DEVMETHOD(device_attach, axe_attach), DEVMETHOD(device_detach, axe_detach), /* 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 = { .name = "axe", .methods = axe_methods, .size = sizeof(struct axe_softc), }; static devclass_t axe_devclass; DRIVER_MODULE(axe, uhub, axe_driver, axe_devclass, NULL, 0); DRIVER_MODULE(miibus, axe, miibus_driver, miibus_devclass, 0, 0); MODULE_DEPEND(axe, uether, 1, 1, 1); MODULE_DEPEND(axe, usb, 1, 1, 1); MODULE_DEPEND(axe, ether, 1, 1, 1); MODULE_DEPEND(axe, miibus, 1, 1, 1); static const struct usb_ether_methods axe_ue_methods = { .ue_attach_post = axe_attach_post, .ue_start = axe_start, .ue_init = axe_init, .ue_stop = axe_stop, .ue_tick = axe_tick, .ue_setmulti = axe_setmulti, .ue_setpromisc = axe_setpromisc, .ue_mii_upd = axe_ifmedia_upd, .ue_mii_sts = axe_ifmedia_sts, }; static int axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) { struct usb_device_request req; usb_error_t err; AXE_LOCK_ASSERT(sc, MA_OWNED); req.bmRequestType = (AXE_CMD_IS_WRITE(cmd) ? UT_WRITE_VENDOR_DEVICE : 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 = uether_do_request(&sc->sc_ue, &req, buf, 1000); return (err); } static int axe_miibus_readreg(device_t dev, int phy, int reg) { struct axe_softc *sc = device_get_softc(dev); uint16_t val; int locked; if (sc->sc_phyno != phy) return (0); locked = mtx_owned(&sc->sc_mtx); if (!locked) AXE_LOCK(sc); axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, &val); axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); val = le16toh(val); if ((sc->sc_flags & AXE_FLAG_772) != 0 && reg == MII_BMSR) { /* * BMSR of AX88772 indicates that it supports extended * capability but the extended status register is * revered for embedded ethernet PHY. So clear the * extended capability bit of BMSR. */ val &= ~BMSR_EXTCAP; } if (!locked) AXE_UNLOCK(sc); return (val); } static int axe_miibus_writereg(device_t dev, int phy, int reg, int val) { struct axe_softc *sc = device_get_softc(dev); int locked; val = htole32(val); if (sc->sc_phyno != phy) return (0); locked = mtx_owned(&sc->sc_mtx); if (!locked) AXE_LOCK(sc); axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, &val); axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); if (!locked) AXE_UNLOCK(sc); 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); struct ifnet *ifp; uint16_t val; int err, locked; locked = mtx_owned(&sc->sc_mtx); if (!locked) AXE_LOCK(sc); ifp = uether_getifp(&sc->sc_ue); if (mii == NULL || ifp == NULL || (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) goto done; sc->sc_flags &= ~AXE_FLAG_LINK; if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) == (IFM_ACTIVE | IFM_AVALID)) { switch (IFM_SUBTYPE(mii->mii_media_active)) { case IFM_10_T: case IFM_100_TX: sc->sc_flags |= AXE_FLAG_LINK; break; case IFM_1000_T: if ((sc->sc_flags & AXE_FLAG_178) == 0) break; sc->sc_flags |= AXE_FLAG_LINK; break; default: break; } } /* Lost link, do nothing. */ if ((sc->sc_flags & AXE_FLAG_LINK) == 0) goto done; val = 0; if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) val |= AXE_MEDIA_FULL_DUPLEX; if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) { val |= AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC; if ((sc->sc_flags & AXE_FLAG_178) != 0) val |= AXE_178_MEDIA_ENCK; 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); done: if (!locked) AXE_UNLOCK(sc); } /* * 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); int error; AXE_LOCK_ASSERT(sc, MA_OWNED); if (mii->mii_instance) { struct mii_softc *miisc; LIST_FOREACH(miisc, &mii->mii_phys, mii_list) mii_phy_reset(miisc); } error = mii_mediachg(mii); return (error); } /* * 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); AXE_LOCK(sc); mii_pollstat(mii); AXE_UNLOCK(sc); ifmr->ifm_active = mii->mii_media_active; ifmr->ifm_status = mii->mii_media_status; } static void axe_setmulti(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); struct ifmultiaddr *ifma; uint32_t h = 0; uint16_t rxmode; uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; AXE_LOCK_ASSERT(sc, MA_OWNED); axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, &rxmode); rxmode = le16toh(rxmode); if (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC)) { rxmode |= AXE_RXCMD_ALLMULTI; axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); return; } rxmode &= ~AXE_RXCMD_ALLMULTI; if_maddr_rlock(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_maddr_runlock(ifp); axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); } static int axe_get_phyno(struct axe_softc *sc, int sel) { int phyno; switch (AXE_PHY_TYPE(sc->sc_phyaddrs[sel])) { case PHY_TYPE_100_HOME: case PHY_TYPE_GIG: phyno = AXE_PHY_NO(sc->sc_phyaddrs[sel]); break; case PHY_TYPE_SPECIAL: /* FALLTHROUGH */ case PHY_TYPE_RSVD: /* FALLTHROUGH */ case PHY_TYPE_NON_SUP: /* FALLTHROUGH */ default: phyno = -1; break; } return (phyno); } static void axe_ax88178_init(struct axe_softc *sc) { int gpio0 = 0, phymode = 0; uint16_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); uether_pause(&sc->sc_ue, hz / 16); if ((eeprom >> 8) != 0x01) { axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); uether_pause(&sc->sc_ue, hz / 32); axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); uether_pause(&sc->sc_ue, hz / 3); axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); uether_pause(&sc->sc_ue, hz / 32); } else { axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); uether_pause(&sc->sc_ue, hz / 32); axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); uether_pause(&sc->sc_ue, hz / 32); } /* soft reset */ axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); uether_pause(&sc->sc_ue, hz / 4); axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); uether_pause(&sc->sc_ue, hz / 4); /* Enable MII/GMII/RGMII interface to work with external PHY. */ axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0, NULL); uether_pause(&sc->sc_ue, hz / 4); 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); uether_pause(&sc->sc_ue, hz / 16); if (sc->sc_phyno == AXE_772_PHY_NO_EPHY) { /* ask for the embedded PHY */ axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); uether_pause(&sc->sc_ue, hz / 64); /* power down and reset state, pin reset state */ axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); uether_pause(&sc->sc_ue, hz / 16); /* 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); uether_pause(&sc->sc_ue, hz / 4); /* 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); uether_pause(&sc->sc_ue, hz / 64); /* power down internal PHY */ axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); } uether_pause(&sc->sc_ue, hz / 4); axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); } static void axe_reset(struct axe_softc *sc) { struct usb_config_descriptor *cd; usb_error_t err; cd = usbd_get_config_descriptor(sc->sc_ue.ue_udev); err = usbd_req_set_config(sc->sc_ue.ue_udev, &sc->sc_mtx, cd->bConfigurationValue); if (err) DPRINTF("reset failed (ignored)\n"); /* Wait a little while for the chip to get its brains in order. */ uether_pause(&sc->sc_ue, hz / 100); } static void axe_attach_post(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); /* * Load PHY indexes first. Needed by axe_xxx_init(). */ axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, sc->sc_phyaddrs); #if 1 device_printf(sc->sc_ue.ue_dev, "PHYADDR 0x%02x:0x%02x\n", sc->sc_phyaddrs[0], sc->sc_phyaddrs[1]); #endif sc->sc_phyno = axe_get_phyno(sc, AXE_PHY_SEL_PRI); if (sc->sc_phyno == -1) sc->sc_phyno = axe_get_phyno(sc, AXE_PHY_SEL_SEC); if (sc->sc_phyno == -1) { device_printf(sc->sc_ue.ue_dev, "no valid PHY address found, assuming PHY address 0\n"); sc->sc_phyno = 0; } if (sc->sc_flags & AXE_FLAG_178) axe_ax88178_init(sc); else if (sc->sc_flags & AXE_FLAG_772) axe_ax88772_init(sc); /* * Get station address. */ if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, ue->ue_eaddr); else axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, ue->ue_eaddr); /* * Fetch IPG values. */ axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, sc->sc_ipgs); } /* * Probe for a AX88172 chip. */ static int axe_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); if (uaa->info.bConfigIndex != AXE_CONFIG_IDX) return (ENXIO); if (uaa->info.bIfaceIndex != AXE_IFACE_IDX) return (ENXIO); return (usbd_lookup_id_by_uaa(axe_devs, sizeof(axe_devs), uaa)); } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static int axe_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct axe_softc *sc = device_get_softc(dev); struct usb_ether *ue = &sc->sc_ue; uint8_t iface_index; int error; sc->sc_flags = USB_GET_DRIVER_INFO(uaa); device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); iface_index = AXE_IFACE_IDX; error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, axe_config, AXE_N_TRANSFER, sc, &sc->sc_mtx); if (error) { device_printf(dev, "allocating USB transfers failed\n"); goto detach; } ue->ue_sc = sc; ue->ue_dev = dev; ue->ue_udev = uaa->device; ue->ue_mtx = &sc->sc_mtx; ue->ue_methods = &axe_ue_methods; error = uether_ifattach(ue); if (error) { device_printf(dev, "could not attach interface\n"); goto detach; } return (0); /* success */ detach: axe_detach(dev); return (ENXIO); /* failure */ } static int axe_detach(device_t dev) { struct axe_softc *sc = device_get_softc(dev); struct usb_ether *ue = &sc->sc_ue; usbd_transfer_unsetup(sc->sc_xfer, AXE_N_TRANSFER); uether_ifdetach(ue); mtx_destroy(&sc->sc_mtx); return (0); } static void axe_intr_callback(struct usb_xfer *xfer, usb_error_t error) { switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } #if (AXE_BULK_BUF_SIZE >= 0x10000) #error "Please update axe_bulk_read_callback()!" #endif static void axe_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct axe_softc *sc = usbd_xfer_softc(xfer); struct usb_ether *ue = &sc->sc_ue; struct ifnet *ifp = uether_getifp(ue); struct axe_sframe_hdr hdr; struct usb_page_cache *pc; int err, pos, len; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pos = 0; len = 0; err = 0; pc = usbd_xfer_get_frame(xfer, 0); if (sc->sc_flags & (AXE_FLAG_772 | AXE_FLAG_178)) { while (pos < actlen) { if ((pos + sizeof(hdr)) > actlen) { /* too little data */ err = EINVAL; break; } usbd_copy_out(pc, pos, &hdr, sizeof(hdr)); if ((hdr.len ^ hdr.ilen) != 0xFFFF) { /* we lost sync */ err = EINVAL; break; } pos += sizeof(hdr); len = le16toh(hdr.len); if ((pos + len) > actlen) { /* invalid length */ err = EINVAL; break; } err = uether_rxbuf(ue, pc, pos, len); pos += len + (len % 2); } } else { err = uether_rxbuf(ue, pc, 0, actlen); } if (err != 0) ifp->if_ierrors++; /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); uether_rxflush(ue); return; default: /* Error */ DPRINTF("bulk read error, %s\n", usbd_errstr(error)); if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } #if ((AXE_BULK_BUF_SIZE >= 0x10000) || (AXE_BULK_BUF_SIZE < (MCLBYTES+4))) #error "Please update axe_bulk_write_callback()!" #endif static void axe_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct axe_softc *sc = usbd_xfer_softc(xfer); struct axe_sframe_hdr hdr; struct ifnet *ifp = uether_getifp(&sc->sc_ue); struct usb_page_cache *pc; struct mbuf *m; int pos; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(11, "transfer complete\n"); ifp->if_opackets++; /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: if ((sc->sc_flags & AXE_FLAG_LINK) == 0) { /* * don't send anything if there is no link ! */ return; } pos = 0; pc = usbd_xfer_get_frame(xfer, 0); while (1) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) { if (pos > 0) break; /* send out data */ return; } if (m->m_pkthdr.len > MCLBYTES) { m->m_pkthdr.len = MCLBYTES; } if (sc->sc_flags & (AXE_FLAG_772 | AXE_FLAG_178)) { hdr.len = htole16(m->m_pkthdr.len); hdr.ilen = ~hdr.len; usbd_copy_in(pc, pos, &hdr, sizeof(hdr)); pos += sizeof(hdr); /* * NOTE: Some drivers force a short packet * by appending a dummy header with zero * length at then end of the USB transfer. * This driver uses the * USB_FORCE_SHORT_XFER flag instead. */ } usbd_m_copy_in(pc, pos, m, 0, m->m_pkthdr.len); pos += m->m_pkthdr.len; /* * if there's a BPF listener, bounce a copy * of this frame to him: */ BPF_MTAP(ifp, m); m_freem(m); if (sc->sc_flags & (AXE_FLAG_772 | AXE_FLAG_178)) { if (pos > (AXE_BULK_BUF_SIZE - MCLBYTES - sizeof(hdr))) { /* send out frame(s) */ break; } } else { /* send out frame */ break; } } usbd_xfer_set_frame_len(xfer, 0, pos); usbd_transfer_submit(xfer); return; default: /* Error */ DPRINTFN(11, "transfer error, %s\n", usbd_errstr(error)); ifp->if_oerrors++; if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void axe_tick(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); struct mii_data *mii = GET_MII(sc); AXE_LOCK_ASSERT(sc, MA_OWNED); mii_tick(mii); if ((sc->sc_flags & AXE_FLAG_LINK) == 0) { axe_miibus_statchg(ue->ue_dev); if ((sc->sc_flags & AXE_FLAG_LINK) != 0) axe_start(ue); } } static void axe_start(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); /* * start the USB transfers, if not already started: */ usbd_transfer_start(sc->sc_xfer[AXE_INTR_DT_RD]); usbd_transfer_start(sc->sc_xfer[AXE_BULK_DT_RD]); usbd_transfer_start(sc->sc_xfer[AXE_BULK_DT_WR]); } static void axe_init(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); uint16_t rxmode; AXE_LOCK_ASSERT(sc, MA_OWNED); /* Cancel pending I/O */ axe_stop(ue); /* Set MAC address. */ if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) axe_cmd(sc, AXE_178_CMD_WRITE_NODEID, 0, 0, IF_LLADDR(ifp)); else axe_cmd(sc, AXE_172_CMD_WRITE_NODEID, 0, 0, IF_LLADDR(ifp)); /* Set transmitter IPG values */ if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) { axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->sc_ipgs[2], (sc->sc_ipgs[1] << 8) | (sc->sc_ipgs[0]), NULL); } else { axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->sc_ipgs[0], NULL); axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->sc_ipgs[1], NULL); axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->sc_ipgs[2], NULL); } /* Enable receiver, set RX mode */ rxmode = (AXE_RXCMD_MULTICAST | AXE_RXCMD_ENABLE); if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) { #if 0 rxmode |= AXE_178_RXCMD_MFB_2048; /* chip default */ #else /* * Default Rx buffer size is too small to get * maximum performance. */ rxmode |= AXE_178_RXCMD_MFB_16384; #endif } 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(ue); usbd_xfer_set_stall(sc->sc_xfer[AXE_BULK_DT_WR]); ifp->if_drv_flags |= IFF_DRV_RUNNING; axe_start(ue); } static void axe_setpromisc(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); uint16_t rxmode; axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, &rxmode); rxmode = le16toh(rxmode); if (ifp->if_flags & IFF_PROMISC) { rxmode |= AXE_RXCMD_PROMISC; } else { rxmode &= ~AXE_RXCMD_PROMISC; } axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); axe_setmulti(ue); } static void axe_stop(struct usb_ether *ue) { struct axe_softc *sc = uether_getsc(ue); struct ifnet *ifp = uether_getifp(ue); AXE_LOCK_ASSERT(sc, MA_OWNED); ifp->if_drv_flags &= ~IFF_DRV_RUNNING; sc->sc_flags &= ~AXE_FLAG_LINK; /* * stop all the transfers, if not already stopped: */ usbd_transfer_stop(sc->sc_xfer[AXE_BULK_DT_WR]); usbd_transfer_stop(sc->sc_xfer[AXE_BULK_DT_RD]); usbd_transfer_stop(sc->sc_xfer[AXE_INTR_DT_RD]); axe_reset(sc); }