/* $NetBSD: if_axen.c,v 1.11.8.9 2020/08/28 19:44:22 martin Exp $ */ /* $OpenBSD: if_axen.c,v 1.3 2013/10/21 10:10:22 yuo Exp $ */ /* * Copyright (c) 2013 Yojiro UO * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * ASIX Electronics AX88178a USB 2.0 ethernet and AX88179 USB 3.0 Ethernet * driver. */ #include __KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.11.8.9 2020/08/28 19:44:22 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 #include #include #include /* XXX for netinet/ip.h */ #include /* XXX for IP_MAXPACKET */ #include #include #include #include #include #include #include #include #ifdef AXEN_DEBUG #define DPRINTF(x) do { if (axendebug) printf x; } while (/*CONSTCOND*/0) #define DPRINTFN(n,x) do { if (axendebug >= (n)) printf x; } while (/*CONSTCOND*/0) int axendebug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif /* * Various supported device vendors/products. */ static const struct axen_type axen_devs[] = { #if 0 /* not tested */ { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178A}, AX178A }, #endif { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88179}, AX179 }, { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUB1312}, AX179 } }; #define axen_lookup(v, p) ((const struct axen_type *)usb_lookup(axen_devs, v, p)) static int axen_match(device_t, cfdata_t, void *); static void axen_attach(device_t, device_t, void *); static int axen_detach(device_t, int); static int axen_activate(device_t, devact_t); CFATTACH_DECL_NEW(axen, sizeof(struct axen_softc), axen_match, axen_attach, axen_detach, axen_activate); static int axen_tx_list_init(struct axen_softc *); static int axen_rx_list_init(struct axen_softc *); static struct mbuf *axen_newbuf(void); static int axen_encap(struct axen_softc *, struct mbuf *, int); static void axen_rxeof(struct usbd_xfer *, void *, usbd_status); static int axen_csum_flags_rx(struct ifnet *, uint32_t); static void axen_txeof(struct usbd_xfer *, void *, usbd_status); static void axen_tick(void *); static void axen_tick_task(void *); static void axen_start(struct ifnet *); static int axen_ioctl(struct ifnet *, u_long, void *); static int axen_init(struct ifnet *); static void axen_stop(struct ifnet *, int); static void axen_watchdog(struct ifnet *); static int axen_miibus_readreg(device_t, int, int); static void axen_miibus_writereg(device_t, int, int, int); static void axen_miibus_statchg(struct ifnet *); static int axen_cmd(struct axen_softc *, int, int, int, void *); static int axen_ifmedia_upd(struct ifnet *); static void axen_ifmedia_sts(struct ifnet *, struct ifmediareq *); static void axen_reset(struct axen_softc *); #if 0 static int axen_ax88179_eeprom(struct axen_softc *, void *); #endif static void axen_iff(struct axen_softc *); static void axen_lock_mii(struct axen_softc *); static void axen_unlock_mii(struct axen_softc *); static void axen_ax88179_init(struct axen_softc *); static void axen_setcoe(struct axen_softc *); /* Get exclusive access to the MII registers */ static void axen_lock_mii(struct axen_softc *sc) { sc->axen_refcnt++; rw_enter(&sc->axen_mii_lock, RW_WRITER); } static void axen_unlock_mii(struct axen_softc *sc) { rw_exit(&sc->axen_mii_lock); if (--sc->axen_refcnt < 0) usb_detach_wakeupold(sc->axen_dev); } static int axen_cmd(struct axen_softc *sc, int cmd, int index, int val, void *buf) { usb_device_request_t req; usbd_status err; KASSERT(rw_lock_held(&sc->axen_mii_lock)); if (sc->axen_dying) return 0; if (AXEN_CMD_DIR(cmd)) req.bmRequestType = UT_WRITE_VENDOR_DEVICE; else req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = AXEN_CMD_CMD(cmd); USETW(req.wValue, val); USETW(req.wIndex, index); USETW(req.wLength, AXEN_CMD_LEN(cmd)); err = usbd_do_request(sc->axen_udev, &req, buf); DPRINTFN(5, ("axen_cmd: cmd 0x%04x val 0x%04x len %d\n", cmd, val, AXEN_CMD_LEN(cmd))); if (err) { DPRINTF(("axen_cmd err: cmd: %d, error: %d\n", cmd, err)); return -1; } return 0; } static int axen_miibus_readreg(device_t dev, int phy, int reg) { struct axen_softc *sc = device_private(dev); usbd_status err; uint16_t val; int ival; if (sc->axen_dying) { DPRINTF(("axen: dying\n")); return 0; } if (sc->axen_phyno != phy) return 0; axen_lock_mii(sc); err = axen_cmd(sc, AXEN_CMD_MII_READ_REG, reg, phy, &val); axen_unlock_mii(sc); if (err) { aprint_error_dev(sc->axen_dev, "read PHY failed\n"); return -1; } ival = le16toh(val); DPRINTFN(2,("axen_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", phy, reg, ival)); if (reg == MII_BMSR) { ival &= ~BMSR_EXTCAP; } return ival; } static void axen_miibus_writereg(device_t dev, int phy, int reg, int val) { struct axen_softc *sc = device_private(dev); usbd_status err; uint16_t uval; if (sc->axen_dying) return; if (sc->axen_phyno != phy) return; uval = htole16(val); axen_lock_mii(sc); err = axen_cmd(sc, AXEN_CMD_MII_WRITE_REG, reg, phy, &uval); axen_unlock_mii(sc); DPRINTFN(2, ("axen_miibus_writereg: phy 0x%x reg 0x%x val 0x%0x\n", phy, reg, val)); if (err) { aprint_error_dev(sc->axen_dev, "write PHY failed\n"); return; } } static void axen_miibus_statchg(struct ifnet *ifp) { struct axen_softc *sc = ifp->if_softc; struct mii_data *mii = GET_MII(sc); int err; uint16_t val; uint16_t wval; sc->axen_link = 0; 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->axen_link++; break; case IFM_1000_T: sc->axen_link++; break; default: break; } } /* Lost link, do nothing. */ if (sc->axen_link == 0) return; val = 0; if ((mii->mii_media_active & IFM_FDX) != 0) val |= AXEN_MEDIUM_FDX; val |= AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN | AXEN_MEDIUM_RECV_EN; switch (IFM_SUBTYPE(mii->mii_media_active)) { case IFM_1000_T: val |= AXEN_MEDIUM_GIGA | AXEN_MEDIUM_EN_125MHZ; break; case IFM_100_TX: val |= AXEN_MEDIUM_PS; break; case IFM_10_T: /* doesn't need to be handled */ break; } DPRINTF(("axen_miibus_statchg: val=0x%x\n", val)); wval = htole16(val); axen_lock_mii(sc); err = axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); axen_unlock_mii(sc); if (err) { aprint_error_dev(sc->axen_dev, "media change failed\n"); return; } } /* * Set media options. */ static int axen_ifmedia_upd(struct ifnet *ifp) { struct axen_softc *sc = ifp->if_softc; struct mii_data *mii = GET_MII(sc); int rc; sc->axen_link = 0; if (mii->mii_instance) { struct mii_softc *miisc; LIST_FOREACH(miisc, &mii->mii_phys, mii_list) mii_phy_reset(miisc); } if ((rc = mii_mediachg(mii)) == ENXIO) return 0; return rc; } /* * Report current media status. */ static void axen_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) { struct axen_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; } static void axen_iff(struct axen_softc *sc) { struct ifnet *ifp = GET_IFP(sc); struct ethercom *ec = &sc->axen_ec; struct ether_multi *enm; struct ether_multistep step; uint32_t h = 0; uint16_t rxmode; uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; uint16_t wval; if (sc->axen_dying) return; rxmode = 0; /* Enable receiver, set RX mode */ axen_lock_mii(sc); axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); rxmode = le16toh(wval); rxmode &= ~(AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_PROMISC | AXEN_RXCTL_ACPT_MCAST); ifp->if_flags &= ~IFF_ALLMULTI; if (ifp->if_flags & IFF_PROMISC) { DPRINTF(("%s: promisc\n", device_xname(sc->axen_dev))); rxmode |= AXEN_RXCTL_PROMISC; allmulti: ifp->if_flags |= IFF_ALLMULTI; rxmode |= AXEN_RXCTL_ACPT_ALL_MCAST /* | AXEN_RXCTL_ACPT_PHY_MCAST */; } else { /* now program new ones */ DPRINTF(("%s: initializing hash table\n", device_xname(sc->axen_dev))); ETHER_FIRST_MULTI(step, ec, enm); while (enm != NULL) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { DPRINTF(("%s: allmulti\n", device_xname(sc->axen_dev))); memset(hashtbl, 0, sizeof(hashtbl)); goto allmulti; } h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; hashtbl[h / 8] |= 1 << (h % 8); DPRINTF(("%s: %s added\n", device_xname(sc->axen_dev), ether_sprintf(enm->enm_addrlo))); ETHER_NEXT_MULTI(step, enm); } rxmode |= AXEN_RXCTL_ACPT_MCAST; } axen_cmd(sc, AXEN_CMD_MAC_WRITE_FILTER, 8, AXEN_FILTER_MULTI, hashtbl); wval = htole16(rxmode); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); axen_unlock_mii(sc); } static void axen_reset(struct axen_softc *sc) { if (sc->axen_dying) return; /* XXX What to reset? */ /* Wait a little while for the chip to get its brains in order. */ DELAY(1000); } #if 0 /* not used */ #define AXEN_GPIO_WRITE(x,y) do { \ axen_cmd(sc, AXEN_CMD_WRITE_GPIO, 0, (x), NULL); \ usbd_delay_ms(sc->axen_udev, (y)); \ } while (/*CONSTCOND*/0) static int axen_ax88179_eeprom(struct axen_softc *sc, void *addr) { int i, retry; uint8_t eeprom[20]; uint16_t csum; uint16_t buf; for (i = 0; i < 6; i++) { /* set eeprom address */ buf = htole16(i); axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MAC_EEPROM_ADDR, &buf); /* set eeprom command */ buf = htole16(AXEN_EEPROM_READ); axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MAC_EEPROM_CMD, &buf); /* check the value is ready */ retry = 3; do { buf = htole16(AXEN_EEPROM_READ); usbd_delay_ms(sc->axen_udev, 10); axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MAC_EEPROM_CMD, &buf); retry--; if (retry < 0) return EINVAL; } while ((le16toh(buf) & 0xff) & AXEN_EEPROM_BUSY); /* read data */ axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_EEPROM_READ, &eeprom[i * 2]); /* sanity check */ if ((i == 0) && (eeprom[0] == 0xff)) return EINVAL; } /* check checksum */ csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9]; csum = (csum >> 8) + (csum & 0xff) + eeprom[10]; if (csum != 0xff) { printf("eeprom checksum mismatchi(0x%02x)\n", csum); return EINVAL; } memcpy(addr, eeprom, ETHER_ADDR_LEN); return 0; } #endif static void axen_ax88179_init(struct axen_softc *sc) { struct axen_qctrl qctrl; uint16_t ctl, temp; uint16_t wval; uint8_t val; axen_lock_mii(sc); /* XXX: ? */ axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_UNK_05, &val); DPRINTFN(5, ("AXEN_CMD_MAC_READ(0x05): 0x%02x\n", val)); /* check AX88179 version, UA1 / UA2 */ axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_GENERAL_STATUS, &val); /* UA1 */ if (!(val & AXEN_GENERAL_STATUS_MASK)) { sc->axen_rev = AXEN_REV_UA1; DPRINTF(("AX88179 ver. UA1\n")); } else { sc->axen_rev = AXEN_REV_UA2; DPRINTF(("AX88179 ver. UA2\n")); } /* power up ethernet PHY */ wval = htole16(0); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); wval = htole16(AXEN_PHYPWR_RSTCTL_IPRL); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); usbd_delay_ms(sc->axen_udev, 200); /* set clock mode */ val = AXEN_PHYCLK_ACS | AXEN_PHYCLK_BCS; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); usbd_delay_ms(sc->axen_udev, 100); /* set monitor mode (disable) */ val = AXEN_MONITOR_NONE; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); /* enable auto detach */ axen_cmd(sc, AXEN_CMD_EEPROM_READ, 2, AXEN_EEPROM_STAT, &wval); temp = le16toh(wval); DPRINTFN(2,("EEPROM0x43 = 0x%04x\n", temp)); if (!(temp == 0xffff) && !(temp & 0x0100)) { /* Enable auto detach bit */ val = 0; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); val = AXEN_PHYCLK_ULR; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); usbd_delay_ms(sc->axen_udev, 100); axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_PHYPWR_RSTCTL, &wval); ctl = le16toh(wval); ctl |= AXEN_PHYPWR_RSTCTL_AUTODETACH; wval = htole16(ctl); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); usbd_delay_ms(sc->axen_udev, 200); aprint_error_dev(sc->axen_dev, "enable auto detach (0x%04x)\n", ctl); } /* bulkin queue setting */ axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_USB_UPLINK, &val); switch (val) { case AXEN_USB_FS: DPRINTF(("uplink: USB1.1\n")); qctrl.ctrl = 0x07; qctrl.timer_low = 0xcc; qctrl.timer_high = 0x4c; qctrl.bufsize = AXEN_BUFSZ_LS - 1; qctrl.ifg = 0x08; break; case AXEN_USB_HS: DPRINTF(("uplink: USB2.0\n")); qctrl.ctrl = 0x07; qctrl.timer_low = 0x02; qctrl.timer_high = 0xa0; qctrl.bufsize = AXEN_BUFSZ_HS - 1; qctrl.ifg = 0xff; break; case AXEN_USB_SS: DPRINTF(("uplink: USB3.0\n")); qctrl.ctrl = 0x07; qctrl.timer_low = 0x4f; qctrl.timer_high = 0x00; qctrl.bufsize = AXEN_BUFSZ_SS - 1; qctrl.ifg = 0xff; break; default: aprint_error_dev(sc->axen_dev, "unknown uplink bus:0x%02x\n", val); axen_unlock_mii(sc); return; } axen_cmd(sc, AXEN_CMD_MAC_SET_RXSR, 5, AXEN_RX_BULKIN_QCTRL, &qctrl); /* * set buffer high/low watermark to pause/resume. * write 2byte will set high/log simultaneous with AXEN_PAUSE_HIGH. * XXX: what is the best value? OSX driver uses 0x3c-0x4c as LOW-HIGH * watermark parameters. */ val = 0x34; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_LOW_WATERMARK, &val); val = 0x52; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_HIGH_WATERMARK, &val); /* Set RX/TX configuration. */ /* Set RX control register */ ctl = AXEN_RXCTL_IPE | AXEN_RXCTL_DROPCRCERR | AXEN_RXCTL_AUTOB; wval = htole16(ctl); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); /* set monitor mode (enable) */ val = AXEN_MONITOR_PMETYPE | AXEN_MONITOR_PMEPOL | AXEN_MONITOR_RWMP; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MONITOR_MODE, &val); DPRINTF(("axen: Monitor mode = 0x%02x\n", val)); /* set medium type */ ctl = AXEN_MEDIUM_GIGA | AXEN_MEDIUM_FDX | AXEN_MEDIUM_EN_125MHZ | AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN | AXEN_MEDIUM_RECV_EN; wval = htole16(ctl); DPRINTF(("axen: set to medium mode: 0x%04x\n", ctl)); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); usbd_delay_ms(sc->axen_udev, 100); axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MEDIUM_STATUS, &wval); DPRINTF(("axen: current medium mode: 0x%04x\n", le16toh(wval))); axen_unlock_mii(sc); #if 0 /* XXX: TBD.... */ #define GMII_LED_ACTIVE 0x1a #define GMII_PHY_PAGE_SEL 0x1e #define GMII_PHY_PAGE_SEL 0x1f #define GMII_PAGE_EXT 0x0007 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE_SEL, GMII_PAGE_EXT); axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE, 0x002c); #endif #if 1 /* XXX: phy hack ? */ axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x1F, 0x0005); axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x0C, 0x0000); val = axen_miibus_readreg(sc->axen_dev, sc->axen_phyno, 0x0001); axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x01, val | 0x0080); axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x1F, 0x0000); #endif } static void axen_setcoe(struct axen_softc *sc) { struct ifnet *ifp = GET_IFP(sc); uint64_t enabled = ifp->if_capenable; uint8_t val; axen_lock_mii(sc); val = AXEN_RXCOE_OFF; if (enabled & IFCAP_CSUM_IPv4_Rx) val |= AXEN_RXCOE_IPv4; if (enabled & IFCAP_CSUM_TCPv4_Rx) val |= AXEN_RXCOE_TCPv4; if (enabled & IFCAP_CSUM_UDPv4_Rx) val |= AXEN_RXCOE_UDPv4; if (enabled & IFCAP_CSUM_TCPv6_Rx) val |= AXEN_RXCOE_TCPv6; if (enabled & IFCAP_CSUM_UDPv6_Rx) val |= AXEN_RXCOE_UDPv6; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_RX_COE, &val); val = AXEN_TXCOE_OFF; if (enabled & IFCAP_CSUM_IPv4_Tx) val |= AXEN_TXCOE_IPv4; if (enabled & IFCAP_CSUM_TCPv4_Tx) val |= AXEN_TXCOE_TCPv4; if (enabled & IFCAP_CSUM_UDPv4_Tx) val |= AXEN_TXCOE_UDPv4; if (enabled & IFCAP_CSUM_TCPv6_Tx) val |= AXEN_TXCOE_TCPv6; if (enabled & IFCAP_CSUM_UDPv6_Tx) val |= AXEN_TXCOE_UDPv6; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_TX_COE, &val); axen_unlock_mii(sc); } static int axen_match(device_t parent, cfdata_t match, void *aux) { struct usb_attach_arg *uaa = aux; return axen_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; } static void axen_attach(device_t parent, device_t self, void *aux) { struct axen_softc *sc = device_private(self); struct usb_attach_arg *uaa = aux; struct usbd_device *dev = uaa->uaa_device; usbd_status err; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; struct mii_data *mii; uint8_t eaddr[ETHER_ADDR_LEN]; char *devinfop; const char *devname = device_xname(self); struct ifnet *ifp; int i, s; aprint_naive("\n"); aprint_normal("\n"); sc->axen_dev = self; sc->axen_udev = dev; devinfop = usbd_devinfo_alloc(dev, 0); aprint_normal_dev(self, "%s\n", devinfop); usbd_devinfo_free(devinfop); err = usbd_set_config_no(dev, AXEN_CONFIG_NO, 1); if (err) { aprint_error_dev(self, "failed to set configuration" ", err=%s\n", usbd_errstr(err)); return; } sc->axen_flags = axen_lookup(uaa->uaa_vendor, uaa->uaa_product)->axen_flags; rw_init(&sc->axen_mii_lock); usb_init_task(&sc->axen_tick_task, axen_tick_task, sc, 0); err = usbd_device2interface_handle(dev, AXEN_IFACE_IDX,&sc->axen_iface); if (err) { aprint_error_dev(self, "getting interface handle failed\n"); return; } sc->axen_product = uaa->uaa_product; sc->axen_vendor = uaa->uaa_vendor; id = usbd_get_interface_descriptor(sc->axen_iface); /* decide on what our bufsize will be */ switch (sc->axen_udev->ud_speed) { case USB_SPEED_SUPER: sc->axen_rx_bufsz = AXEN_BUFSZ_SS * 1024; break; case USB_SPEED_HIGH: sc->axen_rx_bufsz = AXEN_BUFSZ_HS * 1024; break; default: sc->axen_rx_bufsz = AXEN_BUFSZ_LS * 1024; break; } sc->axen_tx_bufsz = IP_MAXPACKET + ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN + sizeof(struct axen_sframe_hdr); /* Find endpoints. */ for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->axen_iface, i); if (!ed) { aprint_error_dev(self, "couldn't get ep %d\n", i); return; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { sc->axen_ed[AXEN_ENDPT_RX] = ed->bEndpointAddress; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { sc->axen_ed[AXEN_ENDPT_TX] = ed->bEndpointAddress; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { sc->axen_ed[AXEN_ENDPT_INTR] = ed->bEndpointAddress; } } s = splnet(); sc->axen_phyno = AXEN_PHY_ID; DPRINTF(("%s: phyno %d\n", device_xname(self), sc->axen_phyno)); /* * Get station address. */ #if 0 /* read from eeprom */ if (axen_ax88179_eeprom(sc, &eaddr)) { printf("EEPROM checksum error\n"); return; } #else /* use MAC command */ axen_lock_mii(sc); axen_cmd(sc, AXEN_CMD_MAC_READ_ETHER, 6, AXEN_CMD_MAC_NODE_ID, &eaddr); axen_unlock_mii(sc); #endif axen_ax88179_init(sc); /* * An ASIX chip was detected. Inform the world. */ if (sc->axen_flags & AX178A) aprint_normal_dev(self, "AX88178a\n"); else if (sc->axen_flags & AX179) aprint_normal_dev(self, "AX88179\n"); aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); /* Initialize interface info.*/ ifp = &sc->sc_if; ifp->if_softc = sc; strlcpy(ifp->if_xname, devname, IFNAMSIZ); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = axen_ioctl; ifp->if_start = axen_start; ifp->if_init = axen_init; ifp->if_stop = axen_stop; ifp->if_watchdog = axen_watchdog; IFQ_SET_READY(&ifp->if_snd); sc->axen_ec.ec_capabilities = ETHERCAP_VLAN_MTU; /* Adapter does not support TSOv6 (They call it LSOv2). */ ifp->if_capabilities |= IFCAP_TSOv4 | IFCAP_CSUM_IPv4_Rx | IFCAP_CSUM_IPv4_Tx | IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_TCPv4_Tx | IFCAP_CSUM_UDPv4_Rx | IFCAP_CSUM_UDPv4_Tx | IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_TCPv6_Tx | IFCAP_CSUM_UDPv6_Rx | IFCAP_CSUM_UDPv6_Tx; /* Initialize MII/media info. */ mii = &sc->axen_mii; mii->mii_ifp = ifp; mii->mii_readreg = axen_miibus_readreg; mii->mii_writereg = axen_miibus_writereg; mii->mii_statchg = axen_miibus_statchg; mii->mii_flags = MIIF_AUTOTSLEEP; sc->axen_ec.ec_mii = mii; ifmedia_init(&mii->mii_media, 0, axen_ifmedia_upd, axen_ifmedia_sts); 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(sc->axen_dev), RND_TYPE_NET, RND_FLAG_DEFAULT); callout_init(&sc->axen_stat_ch, 0); callout_setfunc(&sc->axen_stat_ch, axen_tick, sc); sc->axen_attached = true; splx(s); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axen_udev,sc->axen_dev); if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); } static int axen_detach(device_t self, int flags) { struct axen_softc *sc = device_private(self); struct ifnet *ifp = GET_IFP(sc); int s; DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axen_dev), __func__)); /* Detached before attached finished, so just bail out. */ if (!sc->axen_attached) return 0; pmf_device_deregister(self); sc->axen_dying = true; callout_halt(&sc->axen_stat_ch, NULL); usb_rem_task_wait(sc->axen_udev, &sc->axen_tick_task, USB_TASKQ_DRIVER, NULL); s = splusb(); if (ifp->if_flags & IFF_RUNNING) axen_stop(ifp, 1); callout_destroy(&sc->axen_stat_ch); rnd_detach_source(&sc->rnd_source); mii_detach(&sc->axen_mii, MII_PHY_ANY, MII_OFFSET_ANY); ifmedia_delete_instance(&sc->axen_mii.mii_media, IFM_INST_ANY); ether_ifdetach(ifp); if_detach(ifp); #ifdef DIAGNOSTIC if (sc->axen_ep[AXEN_ENDPT_TX] != NULL || sc->axen_ep[AXEN_ENDPT_RX] != NULL || sc->axen_ep[AXEN_ENDPT_INTR] != NULL) aprint_debug_dev(self, "detach has active endpoints\n"); #endif sc->axen_attached = false; if (--sc->axen_refcnt >= 0) { /* Wait for processes to go away. */ usb_detach_waitold(sc->axen_dev); } splx(s); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axen_udev,sc->axen_dev); rw_destroy(&sc->axen_mii_lock); return 0; } static int axen_activate(device_t self, devact_t act) { struct axen_softc *sc = device_private(self); struct ifnet *ifp = GET_IFP(sc); DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axen_dev), __func__)); switch (act) { case DVACT_DEACTIVATE: if_deactivate(ifp); sc->axen_dying = true; return 0; default: return EOPNOTSUPP; } } static struct mbuf * axen_newbuf(void) { struct mbuf *m; MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) return NULL; MCLGET(m, M_DONTWAIT); if (!(m->m_flags & M_EXT)) { m_freem(m); return NULL; } m->m_len = m->m_pkthdr.len = MCLBYTES; m_adj(m, ETHER_ALIGN); return m; } static int axen_rx_list_init(struct axen_softc *sc) { struct axen_cdata *cd; struct axen_chain *c; int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->axen_dev), __func__)); cd = &sc->axen_cdata; for (i = 0; i < AXEN_RX_LIST_CNT; i++) { c = &cd->axen_rx_chain[i]; c->axen_sc = sc; if (c->axen_xfer == NULL) { int err = usbd_create_xfer(sc->axen_ep[AXEN_ENDPT_RX], sc->axen_rx_bufsz, 0, 0, &c->axen_xfer); if (err) return err; c->axen_buf = usbd_get_buffer(c->axen_xfer); } } return 0; } static int axen_tx_list_init(struct axen_softc *sc) { struct axen_cdata *cd; struct axen_chain *c; int i; DPRINTF(("%s: %s: enter\n", device_xname(sc->axen_dev), __func__)); cd = &sc->axen_cdata; for (i = 0; i < AXEN_TX_LIST_CNT; i++) { c = &cd->axen_tx_chain[i]; c->axen_sc = sc; if (c->axen_xfer == NULL) { int err = usbd_create_xfer(sc->axen_ep[AXEN_ENDPT_TX], sc->axen_tx_bufsz, USBD_FORCE_SHORT_XFER, 0, &c->axen_xfer); if (err) return err; c->axen_buf = usbd_get_buffer(c->axen_xfer); } } return 0; } /* * A frame has been uploaded: pass the resulting mbuf chain up to * the higher level protocols. */ static void axen_rxeof(struct usbd_xfer *xfer, void * priv, usbd_status status) { struct axen_chain *c = (struct axen_chain *)priv; struct axen_softc *sc = c->axen_sc; struct ifnet *ifp = GET_IFP(sc); uint8_t *buf = c->axen_buf; struct mbuf *m; uint32_t total_len; uint32_t rx_hdr, pkt_hdr; uint32_t *hdr_p; uint16_t hdr_offset, pkt_count; size_t pkt_len; size_t temp; int s; DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->axen_dev), __func__)); if (sc->axen_dying) return; if (!(ifp->if_flags & IFF_RUNNING)) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (usbd_ratecheck(&sc->axen_rx_notice)) aprint_error_dev(sc->axen_dev, "usb errors on rx: %s\n", usbd_errstr(status)); if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_RX]); goto done; } usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); if (total_len < sizeof(pkt_hdr)) { aprint_error_dev(sc->axen_dev, "rxeof: too short transfer\n"); ifp->if_ierrors++; goto done; } /* * buffer map * [packet #0]...[packet #n][pkt hdr#0]..[pkt hdr#n][recv_hdr] * each packet has 0xeeee as psuedo header.. */ hdr_p = (uint32_t *)(buf + total_len - sizeof(uint32_t)); rx_hdr = le32toh(*hdr_p); hdr_offset = (uint16_t)(rx_hdr >> 16); pkt_count = (uint16_t)(rx_hdr & 0xffff); if (total_len > sc->axen_rx_bufsz) { aprint_error_dev(sc->axen_dev, "rxeof: too large transfer\n"); goto done; } /* sanity check */ if (hdr_offset > total_len) { aprint_error_dev(sc->axen_dev, "rxeof: invalid hdr offset\n"); ifp->if_ierrors++; usbd_delay_ms(sc->axen_udev, 100); goto done; } /* point first packet header */ hdr_p = (uint32_t *)(buf + hdr_offset); /* * ax88179 will pack multiple ip packet to a USB transaction. * process all of packets in the buffer */ #if 1 /* XXX: paranoiac check. need to remove later */ #define AXEN_MAX_PACKED_PACKET 200 if (pkt_count > AXEN_MAX_PACKED_PACKET) { DPRINTF(("%s: Too many packets (%d) in a transaction, discard.\n", device_xname(sc->axen_dev), pkt_count)); goto done; } #endif do { if ((buf[0] != 0xee) || (buf[1] != 0xee)){ aprint_error_dev(sc->axen_dev, "invalid buffer(pkt#%d), continue\n", pkt_count); ifp->if_ierrors += pkt_count; goto done; } pkt_hdr = le32toh(*hdr_p); pkt_len = (pkt_hdr >> 16) & 0x1fff; DPRINTFN(10, ("%s: rxeof: packet#%d, pkt_hdr 0x%08x, pkt_len %zu\n", device_xname(sc->axen_dev), pkt_count, pkt_hdr, pkt_len)); if (pkt_hdr & (AXEN_RXHDR_CRC_ERR | AXEN_RXHDR_DROP_ERR)) { ifp->if_ierrors++; /* move to next pkt header */ DPRINTF(("%s: %s err (pkt#%d)\n", device_xname(sc->axen_dev), (pkt_hdr & AXEN_RXHDR_CRC_ERR) ? "crc" : "drop", pkt_count)); goto nextpkt; } if (pkt_len > MCLBYTES) { ifp->if_ierrors++; DPRINTF(("%s: oversize frame %d\n", device_xname(sc->axen_dev), pkt_len)); goto nextpkt; } /* process each packet */ /* allocate mbuf */ m = axen_newbuf(); if (m == NULL) { ifp->if_ierrors++; goto nextpkt; } /* skip pseudo header (2byte) */ m_set_rcvif(m, ifp); m->m_pkthdr.len = m->m_len = pkt_len - 6; m->m_pkthdr.csum_flags = axen_csum_flags_rx(ifp, pkt_hdr); memcpy(mtod(m, char *), buf + 2, pkt_len - 6); /* push the packet up */ s = splnet(); if_percpuq_enqueue((ifp)->if_percpuq, (m)); splx(s); nextpkt: /* * prepare next packet * as each packet will be aligned 8byte boundary, * need to fix up the start point of the buffer. */ temp = ((pkt_len + 7) & 0xfff8); buf = buf + temp; hdr_p++; pkt_count--; } while( pkt_count > 0); done: /* Setup new transfer. */ usbd_setup_xfer(xfer, c, c->axen_buf, sc->axen_rx_bufsz, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axen_rxeof); usbd_transfer(xfer); DPRINTFN(10,("%s: %s: start rx\n",device_xname(sc->axen_dev),__func__)); } static int axen_csum_flags_rx(struct ifnet *ifp, uint32_t pkt_hdr) { int enabled_flags = ifp->if_csum_flags_rx; int csum_flags = 0; int l3_type, l4_type; if (enabled_flags == 0) return 0; l3_type = (pkt_hdr & AXEN_RXHDR_L3_TYPE_MASK) >> AXEN_RXHDR_L3_TYPE_OFFSET; if (l3_type == AXEN_RXHDR_L3_TYPE_IPV4) csum_flags |= M_CSUM_IPv4; l4_type = (pkt_hdr & AXEN_RXHDR_L4_TYPE_MASK) >> AXEN_RXHDR_L4_TYPE_OFFSET; switch (l4_type) { case AXEN_RXHDR_L4_TYPE_TCP: if (l3_type == AXEN_RXHDR_L3_TYPE_IPV4) csum_flags |= M_CSUM_TCPv4; else csum_flags |= M_CSUM_TCPv6; break; case AXEN_RXHDR_L4_TYPE_UDP: if (l3_type == AXEN_RXHDR_L3_TYPE_IPV4) csum_flags |= M_CSUM_UDPv4; else csum_flags |= M_CSUM_UDPv6; break; default: break; } csum_flags &= enabled_flags; if ((csum_flags & M_CSUM_IPv4) && (pkt_hdr & AXEN_RXHDR_L3CSUM_ERR)) csum_flags |= M_CSUM_IPv4_BAD; if ((csum_flags & ~M_CSUM_IPv4) && (pkt_hdr & AXEN_RXHDR_L4CSUM_ERR)) csum_flags |= M_CSUM_TCP_UDP_BAD; return csum_flags; } /* * A frame was downloaded to the chip. It's safe for us to clean up * the list buffers. */ static void axen_txeof(struct usbd_xfer *xfer, void * priv, usbd_status status) { struct axen_chain *c = (struct axen_chain *)priv; struct axen_softc *sc = c->axen_sc; struct ifnet *ifp = GET_IFP(sc); int s; if (sc->axen_dying) return; s = splnet(); if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { splx(s); return; } ifp->if_oerrors++; if (usbd_ratecheck(&sc->axen_tx_notice)) aprint_error_dev(sc->axen_dev, "usb error on tx: %s\n", usbd_errstr(status)); if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_TX]); splx(s); return; } ifp->if_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; if (!IFQ_IS_EMPTY(&ifp->if_snd)) axen_start(ifp); ifp->if_opackets++; splx(s); } static void axen_tick(void *xsc) { struct axen_softc *sc = xsc; if (sc == NULL) return; DPRINTFN(0xff,("%s: %s: enter\n", device_xname(sc->axen_dev),__func__)); if (sc->axen_dying) return; /* Perform periodic stuff in process context */ usb_add_task(sc->axen_udev, &sc->axen_tick_task, USB_TASKQ_DRIVER); } static void axen_tick_task(void *xsc) { int s; struct axen_softc *sc; struct ifnet *ifp; struct mii_data *mii; sc = xsc; if (sc == NULL) return; if (sc->axen_dying) return; ifp = GET_IFP(sc); mii = GET_MII(sc); if (mii == NULL) return; s = splnet(); mii_tick(mii); if (sc->axen_link == 0) axen_miibus_statchg(ifp); callout_schedule(&sc->axen_stat_ch, hz); splx(s); } static int axen_encap(struct axen_softc *sc, struct mbuf *m, int idx) { struct ifnet *ifp = GET_IFP(sc); struct axen_chain *c; usbd_status err; struct axen_sframe_hdr hdr; u_int length, boundary; c = &sc->axen_cdata.axen_tx_chain[idx]; /* XXX Is this need? */ switch (sc->axen_udev->ud_speed) { case USB_SPEED_SUPER: boundary = 4096; break; case USB_SPEED_HIGH: boundary = 512; break; default: boundary = 64; break; } length = m->m_pkthdr.len + sizeof(hdr); KASSERT(length <= sc->axen_tx_bufsz); hdr.plen = htole32(m->m_pkthdr.len); hdr.gso = (m->m_pkthdr.csum_flags & M_CSUM_TSOv4) ? m->m_pkthdr.segsz : 0; if ((length % boundary) == 0) { DPRINTF(("%s: boundary hit\n", device_xname(sc->axen_dev))); hdr.gso |= 0x80008000; /* XXX enable padding */ } hdr.gso = htole32(hdr.gso); memcpy(c->axen_buf, &hdr, sizeof(hdr)); m_copydata(m, 0, m->m_pkthdr.len, c->axen_buf + sizeof(hdr)); usbd_setup_xfer(c->axen_xfer, c, c->axen_buf, length, USBD_FORCE_SHORT_XFER, 10000, axen_txeof); /* Transmit */ err = usbd_transfer(c->axen_xfer); if (err != USBD_IN_PROGRESS) { axen_stop(ifp, 0); return EIO; } sc->axen_cdata.axen_tx_cnt++; return 0; } static void axen_start(struct ifnet *ifp) { struct axen_softc *sc; struct mbuf *m; sc = ifp->if_softc; if (sc->axen_link == 0) return; if ((ifp->if_flags & (IFF_OACTIVE|IFF_RUNNING)) != IFF_RUNNING) return; IFQ_POLL(&ifp->if_snd, m); if (m == NULL) return; if (axen_encap(sc, m, 0)) { ifp->if_flags |= IFF_OACTIVE; return; } IFQ_DEQUEUE(&ifp->if_snd, m); /* * If there's a BPF listener, bounce a copy of this frame * to him. */ bpf_mtap(ifp, m); m_freem(m); ifp->if_flags |= IFF_OACTIVE; /* * Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; } static int axen_init(struct ifnet *ifp) { struct axen_softc *sc = ifp->if_softc; struct axen_chain *c; usbd_status err; int i, s; uint16_t rxmode; uint16_t wval; uint8_t bval; s = splnet(); if (ifp->if_flags & IFF_RUNNING) axen_stop(ifp, 0); /* * Cancel pending I/O and free all RX/TX buffers. */ axen_reset(sc); /* XXX: ? */ axen_lock_mii(sc); bval = 0x01; axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_UNK_28, &bval); axen_unlock_mii(sc); /* Configure offloading engine. */ axen_setcoe(sc); /* Program promiscuous mode and multicast filters. */ axen_iff(sc); /* Enable receiver, set RX mode */ axen_lock_mii(sc); axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); rxmode = le16toh(wval); rxmode |= AXEN_RXCTL_START; wval = htole16(rxmode); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); axen_unlock_mii(sc); /* Open RX and TX pipes. */ err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_RX], USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_RX]); if (err) { aprint_error_dev(sc->axen_dev, "open rx pipe failed: %s\n", usbd_errstr(err)); splx(s); return EIO; } err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_TX], USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_TX]); if (err) { aprint_error_dev(sc->axen_dev, "open tx pipe failed: %s\n", usbd_errstr(err)); splx(s); return EIO; } /* Init RX ring. */ if (axen_rx_list_init(sc)) { aprint_error_dev(sc->axen_dev, "rx list init failed\n"); splx(s); return ENOBUFS; } /* Init TX ring. */ if (axen_tx_list_init(sc)) { aprint_error_dev(sc->axen_dev, "tx list init failed\n"); splx(s); return ENOBUFS; } /* Start up the receive pipe. */ for (i = 0; i < AXEN_RX_LIST_CNT; i++) { c = &sc->axen_cdata.axen_rx_chain[i]; usbd_setup_xfer(c->axen_xfer, c, c->axen_buf, sc->axen_rx_bufsz, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axen_rxeof); usbd_transfer(c->axen_xfer); } ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; splx(s); callout_schedule(&sc->axen_stat_ch, hz); return 0; } static int axen_ioctl(struct ifnet *ifp, u_long cmd, void *data) { struct axen_softc *sc = ifp->if_softc; int s; int error = 0; s = splnet(); switch (cmd) { case SIOCSIFFLAGS: if ((error = ifioctl_common(ifp, cmd, data)) != 0) break; switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { case IFF_RUNNING: axen_stop(ifp, 1); break; case IFF_UP: axen_init(ifp); break; case IFF_UP | IFF_RUNNING: if ((ifp->if_flags ^ sc->axen_if_flags) == IFF_PROMISC) axen_iff(sc); else axen_init(ifp); break; } sc->axen_if_flags = ifp->if_flags; break; default: if ((error = ether_ioctl(ifp, cmd, data)) != ENETRESET) break; error = 0; switch(cmd) { case SIOCADDMULTI: case SIOCDELMULTI: axen_iff(sc); break; case SIOCSIFCAP: axen_setcoe(sc); break; default: break; } break; } splx(s); return error; } static void axen_watchdog(struct ifnet *ifp) { struct axen_softc *sc; struct axen_chain *c; usbd_status stat; int s; sc = ifp->if_softc; ifp->if_oerrors++; aprint_error_dev(sc->axen_dev, "watchdog timeout\n"); s = splusb(); c = &sc->axen_cdata.axen_tx_chain[0]; usbd_get_xfer_status(c->axen_xfer, NULL, NULL, NULL, &stat); axen_txeof(c->axen_xfer, c, stat); if (!IFQ_IS_EMPTY(&ifp->if_snd)) axen_start(ifp); splx(s); } /* * Stop the adapter and free any mbufs allocated to the * RX and TX lists. */ static void axen_stop(struct ifnet *ifp, int disable) { struct axen_softc *sc = ifp->if_softc; struct axen_chain *c; usbd_status err; int i; uint16_t rxmode, wval; axen_reset(sc); /* Disable receiver, set RX mode */ axen_lock_mii(sc); axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); rxmode = le16toh(wval); rxmode &= ~AXEN_RXCTL_START; wval = htole16(rxmode); axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); axen_unlock_mii(sc); ifp->if_timer = 0; ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); callout_stop(&sc->axen_stat_ch); /* Stop transfers. */ if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); if (err) { aprint_error_dev(sc->axen_dev, "abort rx pipe failed: %s\n", usbd_errstr(err)); } } if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); if (err) { aprint_error_dev(sc->axen_dev, "abort tx pipe failed: %s\n", usbd_errstr(err)); } } if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); if (err) { aprint_error_dev(sc->axen_dev, "abort intr pipe failed: %s\n", usbd_errstr(err)); } } /* Free RX resources. */ for (i = 0; i < AXEN_RX_LIST_CNT; i++) { c = &sc->axen_cdata.axen_rx_chain[i]; if (c->axen_xfer != NULL) { usbd_destroy_xfer(c->axen_xfer); c->axen_xfer = NULL; } } /* Free TX resources. */ for (i = 0; i < AXEN_TX_LIST_CNT; i++) { c = &sc->axen_cdata.axen_tx_chain[i]; if (c->axen_xfer != NULL) { usbd_destroy_xfer(c->axen_xfer); c->axen_xfer = NULL; } } /* Close pipes. */ if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_RX]); if (err) { aprint_error_dev(sc->axen_dev, "close rx pipe failed: %s\n", usbd_errstr(err)); } sc->axen_ep[AXEN_ENDPT_RX] = NULL; } if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_TX]); if (err) { aprint_error_dev(sc->axen_dev, "close tx pipe failed: %s\n", usbd_errstr(err)); } sc->axen_ep[AXEN_ENDPT_TX] = NULL; } if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); if (err) { aprint_error_dev(sc->axen_dev, "close intr pipe failed: %s\n", usbd_errstr(err)); } sc->axen_ep[AXEN_ENDPT_INTR] = NULL; } sc->axen_link = 0; } MODULE(MODULE_CLASS_DRIVER, if_axen, "bpf"); #ifdef _MODULE #include "ioconf.c" #endif static int if_axen_modcmd(modcmd_t cmd, void *aux) { int error = 0; switch (cmd) { case MODULE_CMD_INIT: #ifdef _MODULE error = config_init_component(cfdriver_ioconf_axen, cfattach_ioconf_axen, cfdata_ioconf_axen); #endif return error; case MODULE_CMD_FINI: #ifdef _MODULE error = config_fini_component(cfdriver_ioconf_axen, cfattach_ioconf_axen, cfdata_ioconf_axen); #endif return error; default: return ENOTTY; } }