/* $NetBSD: if_url.c,v 1.56.8.3 2019/03/29 19:48:35 martin Exp $ */ /* * Copyright (c) 2001, 2002 * Shingo WATANABE . 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. 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 THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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. * */ /* * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf */ /* * TODO: * Interrupt Endpoint support * External PHYs * powerhook() support? */ #include __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.56.8.3 2019/03/29 19:48:35 martin Exp $"); #ifdef _KERNEL_OPT #include "opt_inet.h" #include "opt_usb.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include /* Function declarations */ int url_match(device_t, cfdata_t, void *); void url_attach(device_t, device_t, void *); int url_detach(device_t, int); int url_activate(device_t, enum devact); extern struct cfdriver url_cd; CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, url_detach, url_activate); Static int url_openpipes(struct url_softc *); Static int url_rx_list_init(struct url_softc *); Static int url_tx_list_init(struct url_softc *); Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); Static void url_start(struct ifnet *); Static int url_send(struct url_softc *, struct mbuf *, int); Static void url_txeof(struct usbd_xfer *, void *, usbd_status); Static void url_rxeof(struct usbd_xfer *, void *, usbd_status); Static void url_tick(void *); Static void url_tick_task(void *); Static int url_ioctl(struct ifnet *, u_long, void *); Static void url_stop_task(struct url_softc *); Static void url_stop(struct ifnet *, int); Static void url_watchdog(struct ifnet *); Static int url_ifmedia_change(struct ifnet *); Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); Static void url_lock_mii(struct url_softc *); Static void url_unlock_mii(struct url_softc *); Static int url_int_miibus_readreg(device_t, int, int); Static void url_int_miibus_writereg(device_t, int, int, int); Static void url_miibus_statchg(struct ifnet *); Static int url_init(struct ifnet *); Static void url_setmulti(struct url_softc *); Static void url_reset(struct url_softc *); Static int url_csr_read_1(struct url_softc *, int); Static int url_csr_read_2(struct url_softc *, int); Static int url_csr_write_1(struct url_softc *, int, int); Static int url_csr_write_2(struct url_softc *, int, int); Static int url_csr_write_4(struct url_softc *, int, int); Static int url_mem(struct url_softc *, int, int, void *, int); /* Macros */ #ifdef URL_DEBUG #define DPRINTF(x) if (urldebug) printf x #define DPRINTFN(n,x) if (urldebug >= (n)) printf x int urldebug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif #define URL_SETBIT(sc, reg, x) \ url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) #define URL_SETBIT2(sc, reg, x) \ url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) #define URL_CLRBIT(sc, reg, x) \ url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) #define URL_CLRBIT2(sc, reg, x) \ url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) static const struct url_type { struct usb_devno url_dev; uint16_t url_flags; #define URL_EXT_PHY 0x0001 } url_devs [] = { /* MELCO LUA-KTX */ {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, /* Longshine LCS-8138TX */ {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, /* Micronet SP128AR */ {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, /* OQO model 01 */ {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, }; #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) /* Probe */ int url_match(device_t parent, cfdata_t match, void *aux) { struct usb_attach_arg *uaa = aux; return url_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; } /* Attach */ void url_attach(device_t parent, device_t self, void *aux) { struct url_softc *sc = device_private(self); struct usb_attach_arg *uaa = aux; struct usbd_device *dev = uaa->uaa_device; struct usbd_interface *iface; usbd_status err; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; char *devinfop; struct ifnet *ifp; struct mii_data *mii; u_char eaddr[ETHER_ADDR_LEN]; int i, s; sc->sc_dev = self; aprint_naive("\n"); aprint_normal("\n"); devinfop = usbd_devinfo_alloc(dev, 0); aprint_normal_dev(self, "%s\n", devinfop); usbd_devinfo_free(devinfop); /* Move the device into the configured state. */ err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); if (err) { aprint_error_dev(self, "failed to set configuration" ", err=%s\n", usbd_errstr(err)); goto bad; } usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); rw_init(&sc->sc_mii_rwlock); usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); /* get control interface */ err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); if (err) { aprint_error_dev(self, "failed to get interface, err=%s\n", usbd_errstr(err)); goto bad; } sc->sc_udev = dev; sc->sc_ctl_iface = iface; sc->sc_flags = url_lookup(uaa->uaa_vendor, uaa->uaa_product)->url_flags; /* get interface descriptor */ id = usbd_get_interface_descriptor(sc->sc_ctl_iface); /* find endpoints */ sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); if (ed == NULL) { aprint_error_dev(self, "couldn't get endpoint %d\n", i); goto bad; } if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ } if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || sc->sc_intrin_no == -1) { aprint_error_dev(self, "missing endpoint\n"); goto bad; } s = splnet(); /* reset the adapter */ url_reset(sc); /* Get Ethernet Address */ err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, ETHER_ADDR_LEN); if (err) { aprint_error_dev(self, "read MAC address failed\n"); splx(s); goto bad; } /* Print Ethernet Address */ aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); /* initialize interface information */ ifp = GET_IFP(sc); ifp->if_softc = sc; ifp->if_mtu = ETHERMTU; strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_start = url_start; ifp->if_ioctl = url_ioctl; ifp->if_watchdog = url_watchdog; ifp->if_init = url_init; ifp->if_stop = url_stop; IFQ_SET_READY(&ifp->if_snd); /* * Do ifmedia setup. */ mii = &sc->sc_mii; mii->mii_ifp = ifp; mii->mii_readreg = url_int_miibus_readreg; mii->mii_writereg = url_int_miibus_writereg; #if 0 if (sc->sc_flags & URL_EXT_PHY) { mii->mii_readreg = url_ext_miibus_readreg; mii->mii_writereg = url_ext_miibus_writereg; } #endif mii->mii_statchg = url_miibus_statchg; mii->mii_flags = MIIF_AUTOTSLEEP; sc->sc_ec.ec_mii = mii; ifmedia_init(&mii->mii_media, 0, url_ifmedia_change, url_ifmedia_status); mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); if (LIST_FIRST(&mii->mii_phys) == NULL) { ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); } else ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); /* attach the interface */ if_attach(ifp); ether_ifattach(ifp, eaddr); rnd_attach_source(&sc->rnd_source, device_xname(self), RND_TYPE_NET, RND_FLAG_DEFAULT); callout_init(&sc->sc_stat_ch, 0); sc->sc_attached = 1; splx(s); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); return; bad: sc->sc_dying = 1; return; } /* detach */ int url_detach(device_t self, int flags) { struct url_softc *sc = device_private(self); struct ifnet *ifp = GET_IFP(sc); int s; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); /* Detached before attached finished */ if (!sc->sc_attached) return 0; pmf_device_deregister(self); /* * XXX Halting callout guarantees no more tick tasks. What * guarantees no more stop tasks? What guarantees no more * calls to url_send? Don't we need to wait for if_detach or * something? Should set sc->sc_dying here? Is device * deactivation guaranteed to have already happened? */ callout_halt(&sc->sc_stat_ch, NULL); /* Remove any pending tasks */ usb_rem_task_wait(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER, NULL); usb_rem_task_wait(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER, NULL); s = splusb(); if (--sc->sc_refcnt >= 0) { /* Wait for processes to go away */ usb_detach_waitold(sc->sc_dev); } if (ifp->if_flags & IFF_RUNNING) url_stop(GET_IFP(sc), 1); rnd_detach_source(&sc->rnd_source); mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); ether_ifdetach(ifp); if_detach(ifp); #ifdef DIAGNOSTIC if (sc->sc_pipe_tx != NULL) aprint_debug_dev(self, "detach has active tx endpoint.\n"); if (sc->sc_pipe_rx != NULL) aprint_debug_dev(self, "detach has active rx endpoint.\n"); if (sc->sc_pipe_intr != NULL) aprint_debug_dev(self, "detach has active intr endpoint.\n"); #endif sc->sc_attached = 0; splx(s); rw_destroy(&sc->sc_mii_rwlock); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); return 0; } /* read/write memory */ Static int url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) { usb_device_request_t req; usbd_status err; if (sc == NULL) return 0; DPRINTFN(0x200, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return 0; if (cmd == URL_CMD_READMEM) req.bmRequestType = UT_READ_VENDOR_DEVICE; else req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = URL_REQ_MEM; USETW(req.wValue, offset); USETW(req.wIndex, 0x0000); USETW(req.wLength, len); sc->sc_refcnt++; err = usbd_do_request(sc->sc_udev, &req, buf); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); if (err) { DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", device_xname(sc->sc_dev), cmd == URL_CMD_READMEM ? "read" : "write", offset, err)); } return err; } /* read 1byte from register */ Static int url_csr_read_1(struct url_softc *sc, int reg) { uint8_t val = 0; DPRINTFN(0x100, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return 0; return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; } /* read 2bytes from register */ Static int url_csr_read_2(struct url_softc *sc, int reg) { uWord val; DPRINTFN(0x100, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return 0; USETW(val, 0); return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); } /* write 1byte to register */ Static int url_csr_write_1(struct url_softc *sc, int reg, int aval) { uint8_t val = aval; DPRINTFN(0x100, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return 0; return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; } /* write 2bytes to register */ Static int url_csr_write_2(struct url_softc *sc, int reg, int aval) { uWord val; DPRINTFN(0x100, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); USETW(val, aval); if (sc->sc_dying) return 0; return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; } /* write 4bytes to register */ Static int url_csr_write_4(struct url_softc *sc, int reg, int aval) { uDWord val; DPRINTFN(0x100, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); USETDW(val, aval); if (sc->sc_dying) return 0; return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; } Static int url_init(struct ifnet *ifp) { struct url_softc *sc = ifp->if_softc; struct mii_data *mii = GET_MII(sc); const u_char *eaddr; int i, rc, s; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return EIO; s = splnet(); /* Cancel pending I/O and free all TX/RX buffers */ url_stop(ifp, 1); eaddr = CLLADDR(ifp->if_sadl); for (i = 0; i < ETHER_ADDR_LEN; i++) url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); /* Init transmission control register */ URL_CLRBIT(sc, URL_TCR, URL_TCR_TXRR1 | URL_TCR_TXRR0 | URL_TCR_IFG1 | URL_TCR_IFG0 | URL_TCR_NOCRC); /* Init receive control register */ URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); if (ifp->if_flags & IFF_BROADCAST) URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); else URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); /* If we want promiscuous mode, accept all physical frames. */ if (ifp->if_flags & IFF_PROMISC) URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); else URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); /* Load the multicast filter */ url_setmulti(sc); /* Enable RX and TX */ URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); if ((rc = mii_mediachg(mii)) == ENXIO) rc = 0; else if (rc != 0) goto out; if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { if (url_openpipes(sc)) { splx(s); return EIO; } } /* Initialize transmit ring */ if (url_tx_list_init(sc)) { printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); splx(s); return EIO; } /* Initialize receive ring */ if (url_rx_list_init(sc)) { printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); splx(s); return EIO; } /* Start up the receive pipe. */ for (i = 0; i < URL_RX_LIST_CNT; i++) { struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); (void)usbd_transfer(c->url_xfer); DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), __func__)); } ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); out: splx(s); return rc; } Static void url_reset(struct url_softc *sc) { int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return; URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); for (i = 0; i < URL_TX_TIMEOUT; i++) { if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) break; delay(10); /* XXX */ } delay(10000); /* XXX */ } int url_activate(device_t self, enum devact act) { struct url_softc *sc = device_private(self); DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), __func__, act)); switch (act) { case DVACT_DEACTIVATE: if_deactivate(&sc->sc_ec.ec_if); sc->sc_dying = 1; return 0; default: return EOPNOTSUPP; } } #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) Static void url_setmulti(struct url_softc *sc) { struct ifnet *ifp; struct ether_multi *enm; struct ether_multistep step; uint32_t hashes[2] = { 0, 0 }; int h = 0; int mcnt = 0; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return; ifp = GET_IFP(sc); if (ifp->if_flags & IFF_PROMISC) { URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); return; } else if (ifp->if_flags & IFF_ALLMULTI) { allmulti: ifp->if_flags |= IFF_ALLMULTI; URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); return; } /* first, zot all the existing hash bits */ url_csr_write_4(sc, URL_MAR0, 0); url_csr_write_4(sc, URL_MAR4, 0); /* now program new ones */ ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); while (enm != NULL) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN) != 0) goto allmulti; h = url_calchash(enm->enm_addrlo); if (h < 32) hashes[0] |= (1 << h); else hashes[1] |= (1 << (h -32)); mcnt++; ETHER_NEXT_MULTI(step, enm); } ifp->if_flags &= ~IFF_ALLMULTI; URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); if (mcnt){ URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); } else { URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); } url_csr_write_4(sc, URL_MAR0, hashes[0]); url_csr_write_4(sc, URL_MAR4, hashes[1]); } Static int url_openpipes(struct url_softc *sc) { usbd_status err; int error = 0; if (sc->sc_dying) return EIO; sc->sc_refcnt++; /* Open RX pipe */ err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); if (err) { printf("%s: open rx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); error = EIO; goto done; } /* Open TX pipe */ err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); if (err) { printf("%s: open tx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); error = EIO; goto done; } #if 0 /* XXX: interrupt endpoint is not yet supported */ /* Open Interrupt pipe */ err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, url_intr, USBD_DEFAULT_INTERVAL); if (err) { printf("%s: open intr pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); error = EIO; goto done; } #endif done: if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); return error; } Static int url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) { struct mbuf *m_new = NULL; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (m == NULL) { MGETHDR(m_new, M_DONTWAIT, MT_DATA); if (m_new == NULL) { printf("%s: no memory for rx list " "-- packet dropped!\n", device_xname(sc->sc_dev)); return ENOBUFS; } MCLGET(m_new, M_DONTWAIT); if (!(m_new->m_flags & M_EXT)) { printf("%s: no memory for rx list " "-- packet dropped!\n", device_xname(sc->sc_dev)); m_freem(m_new); return ENOBUFS; } m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; } else { m_new = m; m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; m_new->m_data = m_new->m_ext.ext_buf; } m_adj(m_new, ETHER_ALIGN); c->url_mbuf = m_new; return 0; } Static int url_rx_list_init(struct url_softc *sc) { struct url_cdata *cd; struct url_chain *c; int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); cd = &sc->sc_cdata; for (i = 0; i < URL_RX_LIST_CNT; i++) { c = &cd->url_rx_chain[i]; c->url_sc = sc; c->url_idx = i; if (url_newbuf(sc, c, NULL) == ENOBUFS) return ENOBUFS; if (c->url_xfer == NULL) { int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 0, 0, &c->url_xfer); if (error) return error; c->url_buf = usbd_get_buffer(c->url_xfer); } } return 0; } Static int url_tx_list_init(struct url_softc *sc) { struct url_cdata *cd; struct url_chain *c; int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); cd = &sc->sc_cdata; for (i = 0; i < URL_TX_LIST_CNT; i++) { c = &cd->url_tx_chain[i]; c->url_sc = sc; c->url_idx = i; c->url_mbuf = NULL; if (c->url_xfer == NULL) { int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); if (error) return error; c->url_buf = usbd_get_buffer(c->url_xfer); } } return 0; } Static void url_start(struct ifnet *ifp) { struct url_softc *sc = ifp->if_softc; struct mbuf *m_head = NULL; DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), __func__, sc->sc_link)); if (sc->sc_dying) return; if (!sc->sc_link) return; if (ifp->if_flags & IFF_OACTIVE) return; IFQ_POLL(&ifp->if_snd, m_head); if (m_head == NULL) return; if (url_send(sc, m_head, 0)) { ifp->if_flags |= IFF_OACTIVE; return; } IFQ_DEQUEUE(&ifp->if_snd, m_head); bpf_mtap(ifp, m_head); ifp->if_flags |= IFF_OACTIVE; /* Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; } Static int url_send(struct url_softc *sc, struct mbuf *m, int idx) { int total_len; struct url_chain *c; usbd_status err; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); c = &sc->sc_cdata.url_tx_chain[idx]; /* Copy the mbuf data into a contiguous buffer */ m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); c->url_mbuf = m; total_len = m->m_pkthdr.len; if (total_len < URL_MIN_FRAME_LEN) { memset(c->url_buf + total_len, 0, URL_MIN_FRAME_LEN - total_len); total_len = URL_MIN_FRAME_LEN; } usbd_setup_xfer(c->url_xfer,c, c->url_buf, total_len, USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); /* Transmit */ sc->sc_refcnt++; err = usbd_transfer(c->url_xfer); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); if (err != USBD_IN_PROGRESS) { printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), usbd_errstr(err)); /* Stop the interface */ usb_add_task(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER); return EIO; } DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), __func__, total_len)); sc->sc_cdata.url_tx_cnt++; return 0; } Static void url_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct url_chain *c = priv; struct url_softc *sc = c->url_sc; struct ifnet *ifp = GET_IFP(sc); int s; if (sc->sc_dying) return; s = splnet(); DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); ifp->if_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { splx(s); return; } ifp->if_oerrors++; printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), usbd_errstr(status)); if (status == USBD_STALLED) { sc->sc_refcnt++; usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); } splx(s); return; } ifp->if_opackets++; m_freem(c->url_mbuf); c->url_mbuf = NULL; if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) url_start(ifp); splx(s); } Static void url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct url_chain *c = priv; struct url_softc *sc = c->url_sc; struct ifnet *ifp = GET_IFP(sc); struct mbuf *m; uint32_t total_len; url_rxhdr_t rxhdr; int s; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); if (sc->sc_dying) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; sc->sc_rx_errs++; if (usbd_ratecheck(&sc->sc_rx_notice)) { printf("%s: %u usb errors on rx: %s\n", device_xname(sc->sc_dev), sc->sc_rx_errs, usbd_errstr(status)); sc->sc_rx_errs = 0; } if (status == USBD_STALLED) { sc->sc_refcnt++; usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); } goto done; } usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); if (total_len <= ETHER_CRC_LEN) { ifp->if_ierrors++; goto done; } memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", device_xname(sc->sc_dev), UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { ifp->if_ierrors++; goto done; } total_len -= ETHER_CRC_LEN; m = c->url_mbuf; m->m_pkthdr.len = m->m_len = total_len; m_set_rcvif(m, ifp); s = splnet(); if (url_newbuf(sc, c, NULL) == ENOBUFS) { ifp->if_ierrors++; goto done1; } DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), __func__, m->m_len)); if_percpuq_enqueue((ifp)->if_percpuq, (m)); done1: splx(s); done: /* Setup new transfer */ usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); sc->sc_refcnt++; usbd_transfer(xfer); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); } #if 0 Static void url_intr(void) { } #endif Static int url_ioctl(struct ifnet *ifp, u_long cmd, void *data) { struct url_softc *sc = ifp->if_softc; int s, error = 0; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return EIO; s = splnet(); error = ether_ioctl(ifp, cmd, data); if (error == ENETRESET) { if (ifp->if_flags & IFF_RUNNING) url_setmulti(sc); error = 0; } splx(s); return error; } Static void url_watchdog(struct ifnet *ifp) { struct url_softc *sc = ifp->if_softc; struct url_chain *c; usbd_status stat; int s; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); ifp->if_oerrors++; printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); s = splusb(); c = &sc->sc_cdata.url_tx_chain[0]; usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); url_txeof(c->url_xfer, c, stat); if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) url_start(ifp); splx(s); } Static void url_stop_task(struct url_softc *sc) { url_stop(GET_IFP(sc), 1); } /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ Static void url_stop(struct ifnet *ifp, int disable) { struct url_softc *sc = ifp->if_softc; usbd_status err; int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); ifp->if_timer = 0; url_reset(sc); callout_stop(&sc->sc_stat_ch); /* Stop transfers */ /* RX endpoint */ if (sc->sc_pipe_rx != NULL) { err = usbd_abort_pipe(sc->sc_pipe_rx); if (err) printf("%s: abort rx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); } /* TX endpoint */ if (sc->sc_pipe_tx != NULL) { err = usbd_abort_pipe(sc->sc_pipe_tx); if (err) printf("%s: abort tx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); } #if 0 /* XXX: Interrupt endpoint is not yet supported!! */ /* Interrupt endpoint */ if (sc->sc_pipe_intr != NULL) { err = usbd_abort_pipe(sc->sc_pipe_intr); if (err) printf("%s: abort intr pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); err = usbd_close_pipe(sc->sc_pipe_intr); if (err) printf("%s: close intr pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); sc->sc_pipe_intr = NULL; } #endif /* Free RX resources. */ for (i = 0; i < URL_RX_LIST_CNT; i++) { if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; } if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; } } /* Free TX resources. */ for (i = 0; i < URL_TX_LIST_CNT; i++) { if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; } if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; } } /* Close pipes */ /* RX endpoint */ if (sc->sc_pipe_rx != NULL) { err = usbd_close_pipe(sc->sc_pipe_rx); if (err) printf("%s: close rx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); sc->sc_pipe_rx = NULL; } /* TX endpoint */ if (sc->sc_pipe_tx != NULL) { err = usbd_close_pipe(sc->sc_pipe_tx); if (err) printf("%s: close tx pipe failed: %s\n", device_xname(sc->sc_dev), usbd_errstr(err)); sc->sc_pipe_tx = NULL; } sc->sc_link = 0; ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); } /* Set media options */ Static int url_ifmedia_change(struct ifnet *ifp) { struct url_softc *sc = ifp->if_softc; struct mii_data *mii = GET_MII(sc); int rc; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return 0; sc->sc_link = 0; if ((rc = mii_mediachg(mii)) == ENXIO) return 0; return rc; } /* Report current media status. */ Static void url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) { struct url_softc *sc = ifp->if_softc; DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return; ether_mediastatus(ifp, ifmr); } Static void url_tick(void *xsc) { struct url_softc *sc = xsc; if (sc == NULL) return; DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return; /* Perform periodic stuff in process context */ usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); } Static void url_tick_task(void *xsc) { struct url_softc *sc = xsc; struct ifnet *ifp; struct mii_data *mii; int s; if (sc == NULL) return; DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); if (sc->sc_dying) return; ifp = GET_IFP(sc); mii = GET_MII(sc); if (mii == NULL) return; s = splnet(); mii_tick(mii); if (!sc->sc_link) { mii_pollstat(mii); if (mii->mii_media_status & IFM_ACTIVE && IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { DPRINTF(("%s: %s: got link\n", device_xname(sc->sc_dev), __func__)); sc->sc_link++; if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) url_start(ifp); } } callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); splx(s); } /* Get exclusive access to the MII registers */ Static void url_lock_mii(struct url_softc *sc) { DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); sc->sc_refcnt++; rw_enter(&sc->sc_mii_rwlock, RW_WRITER); } Static void url_unlock_mii(struct url_softc *sc) { DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); rw_exit(&sc->sc_mii_rwlock); if (--sc->sc_refcnt < 0) usb_detach_wakeupold(sc->sc_dev); } Static int url_int_miibus_readreg(device_t dev, int phy, int reg) { struct url_softc *sc; uint16_t val; if (dev == NULL) return 0; sc = device_private(dev); DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg)); if (sc->sc_dying) { #ifdef DIAGNOSTIC printf("%s: %s: dying\n", device_xname(sc->sc_dev), __func__); #endif return 0; } /* XXX: one PHY only for the RTL8150 internal PHY */ if (phy != 0) { DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", device_xname(sc->sc_dev), __func__, phy)); return 0; } url_lock_mii(sc); switch (reg) { case MII_BMCR: /* Control Register */ reg = URL_BMCR; break; case MII_BMSR: /* Status Register */ reg = URL_BMSR; break; case MII_PHYIDR1: case MII_PHYIDR2: val = 0; goto R_DONE; break; case MII_ANAR: /* Autonegotiation advertisement */ reg = URL_ANAR; break; case MII_ANLPAR: /* Autonegotiation link partner abilities */ reg = URL_ANLP; break; case URLPHY_MSR: /* Media Status Register */ reg = URL_MSR; break; default: printf("%s: %s: bad register %04x\n", device_xname(sc->sc_dev), __func__, reg); val = 0; goto R_DONE; break; } if (reg == URL_MSR) val = url_csr_read_1(sc, reg); else val = url_csr_read_2(sc, reg); R_DONE: DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg, val)); url_unlock_mii(sc); return val; } Static void url_int_miibus_writereg(device_t dev, int phy, int reg, int data) { struct url_softc *sc; if (dev == NULL) return; sc = device_private(dev); DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg, data)); if (sc->sc_dying) { #ifdef DIAGNOSTIC printf("%s: %s: dying\n", device_xname(sc->sc_dev), __func__); #endif return; } /* XXX: one PHY only for the RTL8150 internal PHY */ if (phy != 0) { DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", device_xname(sc->sc_dev), __func__, phy)); return; } url_lock_mii(sc); switch (reg) { case MII_BMCR: /* Control Register */ reg = URL_BMCR; break; case MII_BMSR: /* Status Register */ reg = URL_BMSR; break; case MII_PHYIDR1: case MII_PHYIDR2: goto W_DONE; break; case MII_ANAR: /* Autonegotiation advertisement */ reg = URL_ANAR; break; case MII_ANLPAR: /* Autonegotiation link partner abilities */ reg = URL_ANLP; break; case URLPHY_MSR: /* Media Status Register */ reg = URL_MSR; break; default: printf("%s: %s: bad register %04x\n", device_xname(sc->sc_dev), __func__, reg); goto W_DONE; break; } if (reg == URL_MSR) url_csr_write_1(sc, reg, data); else url_csr_write_2(sc, reg, data); W_DONE: url_unlock_mii(sc); return; } Static void url_miibus_statchg(struct ifnet *ifp) { #ifdef URL_DEBUG if (ifp == NULL) return; DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); #endif /* Nothing to do */ } #if 0 /* * external PHYs support, but not test. */ Static int url_ext_miibus_redreg(device_t dev, int phy, int reg) { struct url_softc *sc = device_private(dev); uint16_t val; DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg)); if (sc->sc_dying) { #ifdef DIAGNOSTIC printf("%s: %s: dying\n", device_xname(sc->sc_dev), __func__); #endif return 0; } url_lock_mii(sc); url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); /* * RTL8150L will initiate a MII management data transaction * if PHYCNT_OWN bit is set 1 by software. After transaction, * this bit is auto cleared by TRL8150L. */ url_csr_write_1(sc, URL_PHYCNT, (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); for (i = 0; i < URL_TIMEOUT; i++) { if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) break; } if (i == URL_TIMEOUT) { printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); } val = url_csr_read_2(sc, URL_PHYDAT); DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg, val)); url_unlock_mii(sc); return val; } Static void url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) { struct url_softc *sc = device_private(dev); DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", device_xname(sc->sc_dev), __func__, phy, reg, data)); if (sc->sc_dying) { #ifdef DIAGNOSTIC printf("%s: %s: dying\n", device_xname(sc->sc_dev), __func__); #endif return; } url_lock_mii(sc); url_csr_write_2(sc, URL_PHYDAT, data); url_csr_write_1(sc, URL_PHYADD, phy); url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ for (i=0; i < URL_TIMEOUT; i++) { if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) break; } if (i == URL_TIMEOUT) { printf("%s: MII write timed out\n", device_xname(sc->sc_dev)); } url_unlock_mii(sc); return; } #endif