/* $NetBSD: if_rge.c,v 1.31 2024/01/18 03:47:26 msaitoh Exp $ */ /* $OpenBSD: if_rge.c,v 1.9 2020/12/12 11:48:53 jan Exp $ */ /* * Copyright (c) 2019, 2020 Kevin Lo * * 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. */ #include __KERNEL_RCSID(0, "$NetBSD: if_rge.c,v 1.31 2024/01/18 03:47:26 msaitoh Exp $"); #if defined(_KERNEL_OPT) #include "opt_net_mpsafe.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __NetBSD__ #define letoh32 htole32 #define nitems(x) __arraycount(x) static struct mbuf * MCLGETL(struct rge_softc *sc __unused, int how, u_int size) { struct mbuf *m; MGETHDR(m, how, MT_DATA); if (m == NULL) return NULL; MEXTMALLOC(m, size, how); if ((m->m_flags & M_EXT) == 0) { m_freem(m); return NULL; } return m; } #ifdef NET_MPSAFE #define RGE_MPSAFE 1 #define CALLOUT_FLAGS CALLOUT_MPSAFE #else #define CALLOUT_FLAGS 0 #endif #endif #ifdef RGE_DEBUG #define DPRINTF(x) do { if (rge_debug > 0) printf x; } while (0) int rge_debug = 0; #else #define DPRINTF(x) #endif static int rge_match(device_t, cfdata_t, void *); static void rge_attach(device_t, device_t, void *); int rge_intr(void *); int rge_encap(struct rge_softc *, struct mbuf *, int); int rge_ioctl(struct ifnet *, u_long, void *); void rge_start(struct ifnet *); void rge_watchdog(struct ifnet *); int rge_init(struct ifnet *); void rge_stop(struct ifnet *, int); int rge_ifmedia_upd(struct ifnet *); void rge_ifmedia_sts(struct ifnet *, struct ifmediareq *); int rge_allocmem(struct rge_softc *); int rge_newbuf(struct rge_softc *, int); static int rge_rx_list_init(struct rge_softc *); static void rge_rx_list_fini(struct rge_softc *); static void rge_tx_list_init(struct rge_softc *); static void rge_tx_list_fini(struct rge_softc *); int rge_rxeof(struct rge_softc *); int rge_txeof(struct rge_softc *); void rge_reset(struct rge_softc *); void rge_iff(struct rge_softc *); void rge_set_phy_power(struct rge_softc *, int); void rge_phy_config(struct rge_softc *); void rge_phy_config_mac_cfg2(struct rge_softc *); void rge_phy_config_mac_cfg3(struct rge_softc *); void rge_phy_config_mac_cfg4(struct rge_softc *); void rge_phy_config_mac_cfg5(struct rge_softc *); void rge_phy_config_mcu(struct rge_softc *, uint16_t); void rge_set_macaddr(struct rge_softc *, const uint8_t *); void rge_get_macaddr(struct rge_softc *, uint8_t *); void rge_hw_init(struct rge_softc *); void rge_disable_phy_ocp_pwrsave(struct rge_softc *); void rge_patch_phy_mcu(struct rge_softc *, int); void rge_add_media_types(struct rge_softc *); void rge_config_imtype(struct rge_softc *, int); void rge_disable_hw_im(struct rge_softc *); void rge_disable_sim_im(struct rge_softc *); void rge_setup_sim_im(struct rge_softc *); void rge_setup_intr(struct rge_softc *, int); void rge_exit_oob(struct rge_softc *); void rge_write_csi(struct rge_softc *, uint32_t, uint32_t); uint32_t rge_read_csi(struct rge_softc *, uint32_t); void rge_write_mac_ocp(struct rge_softc *, uint16_t, uint16_t); uint16_t rge_read_mac_ocp(struct rge_softc *, uint16_t); void rge_write_ephy(struct rge_softc *, uint16_t, uint16_t); uint16_t rge_read_ephy(struct rge_softc *, uint16_t); void rge_write_phy(struct rge_softc *, uint16_t, uint16_t, uint16_t); uint16_t rge_read_phy(struct rge_softc *, uint16_t, uint16_t); void rge_write_phy_ocp(struct rge_softc *, uint16_t, uint16_t); uint16_t rge_read_phy_ocp(struct rge_softc *, uint16_t); int rge_get_link_status(struct rge_softc *); void rge_txstart(void *); void rge_tick(void *); void rge_link_state(struct rge_softc *); static const struct { uint16_t reg; uint16_t val; } rtl8125_mac_cfg2_mcu[] = { RTL8125_MAC_CFG2_MCU }, rtl8125_mac_cfg3_mcu[] = { RTL8125_MAC_CFG3_MCU }, rtl8125_mac_cfg4_mcu[] = { RTL8125_MAC_CFG4_MCU }, rtl8125_mac_cfg5_mcu[] = { RTL8125_MAC_CFG5_MCU }; CFATTACH_DECL_NEW(rge, sizeof(struct rge_softc), rge_match, rge_attach, NULL, NULL); /* Sevan - detach function? */ static const struct device_compatible_entry compat_data[] = { { .id = PCI_ID_CODE(PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_E3000) }, { .id = PCI_ID_CODE(PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8125) }, PCI_COMPAT_EOL }; static int rge_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa =aux; return pci_compatible_match(pa, compat_data); } void rge_attach(device_t parent, device_t self, void *aux) { struct rge_softc *sc = device_private(self); struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; pci_intr_handle_t *ihp; char intrbuf[PCI_INTRSTR_LEN]; const char *intrstr = NULL; struct ifnet *ifp; pcireg_t reg; uint32_t hwrev; uint8_t eaddr[ETHER_ADDR_LEN]; int offset; pcireg_t command; const char *revstr; pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0); sc->sc_dev = self; pci_aprint_devinfo(pa, "Ethernet controller"); /* * Map control/status registers. */ if (pci_mapreg_map(pa, RGE_PCI_BAR2, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT, 0, &sc->rge_btag, &sc->rge_bhandle, NULL, &sc->rge_bsize)) { if (pci_mapreg_map(pa, RGE_PCI_BAR1, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->rge_btag, &sc->rge_bhandle, NULL, &sc->rge_bsize)) { if (pci_mapreg_map(pa, RGE_PCI_BAR0, PCI_MAPREG_TYPE_IO, 0, &sc->rge_btag, &sc->rge_bhandle, NULL, &sc->rge_bsize)) { aprint_error(": can't map mem or i/o space\n"); return; } } } int counts[PCI_INTR_TYPE_SIZE] = { [PCI_INTR_TYPE_INTX] = 1, [PCI_INTR_TYPE_MSI] = 1, [PCI_INTR_TYPE_MSIX] = 1, }; int max_type = PCI_INTR_TYPE_MSIX; /* * Allocate interrupt. */ if (pci_intr_alloc(pa, &ihp, counts, max_type) != 0) { aprint_error(": couldn't map interrupt\n"); return; } switch (pci_intr_type(pc, ihp[0])) { case PCI_INTR_TYPE_MSIX: case PCI_INTR_TYPE_MSI: sc->rge_flags |= RGE_FLAG_MSI; break; default: break; } intrstr = pci_intr_string(pc, ihp[0], intrbuf, sizeof(intrbuf)); sc->sc_ih = pci_intr_establish_xname(pc, ihp[0], IPL_NET, rge_intr, sc, device_xname(sc->sc_dev)); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, ": couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s\n", intrstr); aprint_error("\n"); return; } aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); if (pci_dma64_available(pa)) sc->sc_dmat = pa->pa_dmat64; else sc->sc_dmat = pa->pa_dmat; sc->sc_pc = pa->pa_pc; sc->sc_tag = pa->pa_tag; /* Determine hardware revision */ hwrev = RGE_READ_4(sc, RGE_TXCFG) & RGE_TXCFG_HWREV; switch (hwrev) { case 0x60800000: sc->rge_type = MAC_CFG2; revstr = "Z1"; break; case 0x60900000: sc->rge_type = MAC_CFG3; revstr = "Z2"; break; case 0x64000000: sc->rge_type = MAC_CFG4; revstr = "A"; break; case 0x64100000: sc->rge_type = MAC_CFG5; revstr = "B"; break; default: aprint_error(": unknown version 0x%08x\n", hwrev); return; } aprint_normal_dev(sc->sc_dev, "HW rev. %s\n", revstr); rge_config_imtype(sc, RGE_IMTYPE_SIM); /* * PCI Express check. */ if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PCIEXPRESS, &offset, NULL)) { /* Disable PCIe ASPM and ECPM. */ reg = pci_conf_read(pa->pa_pc, pa->pa_tag, offset + PCIE_LCSR); reg &= ~(PCIE_LCSR_ASPM_L0S | PCIE_LCSR_ASPM_L1 | PCIE_LCSR_ENCLKPM); pci_conf_write(pa->pa_pc, pa->pa_tag, offset + PCIE_LCSR, reg); } rge_exit_oob(sc); rge_hw_init(sc); rge_get_macaddr(sc, eaddr); aprint_normal_dev(sc->sc_dev, "Ethernet address %s\n", ether_sprintf(eaddr)); memcpy(sc->sc_enaddr, eaddr, ETHER_ADDR_LEN); rge_set_phy_power(sc, 1); rge_phy_config(sc); if (rge_allocmem(sc)) return; ifp = &sc->sc_ec.ec_if; ifp->if_softc = sc; strlcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; #ifdef RGE_MPSAFE ifp->if_extflags = IFEF_MPSAFE; #endif ifp->if_ioctl = rge_ioctl; ifp->if_stop = rge_stop; ifp->if_start = rge_start; ifp->if_init = rge_init; ifp->if_watchdog = rge_watchdog; IFQ_SET_MAXLEN(&ifp->if_snd, RGE_TX_LIST_CNT - 1); #if notyet ifp->if_capabilities = IFCAP_CSUM_IPv4_Rx | IFCAP_CSUM_IPv4_Tx |IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_TCPv4_Tx| IFCAP_CSUM_UDPv4_Rx | IFCAP_CSUM_UDPv4_Tx; #endif sc->sc_ec.ec_capabilities |= ETHERCAP_VLAN_MTU; sc->sc_ec.ec_capabilities |= ETHERCAP_VLAN_HWTAGGING; callout_init(&sc->sc_timeout, CALLOUT_FLAGS); callout_setfunc(&sc->sc_timeout, rge_tick, sc); command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); command |= PCI_COMMAND_MASTER_ENABLE; pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); /* Initialize ifmedia structures. */ sc->sc_ec.ec_ifmedia = &sc->sc_media; ifmedia_init(&sc->sc_media, IFM_IMASK, rge_ifmedia_upd, rge_ifmedia_sts); rge_add_media_types(sc); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&sc->sc_media, IFM_ETHER | IFM_AUTO); sc->sc_media.ifm_media = sc->sc_media.ifm_cur->ifm_media; if_attach(ifp); if_deferred_start_init(ifp, NULL); ether_ifattach(ifp, eaddr); if (pmf_device_register(self, NULL, NULL)) pmf_class_network_register(self, ifp); else aprint_error_dev(self, "couldn't establish power handler\n"); } int rge_intr(void *arg) { struct rge_softc *sc = arg; struct ifnet *ifp = &sc->sc_ec.ec_if; uint32_t status; int claimed = 0, rx, tx; if (!(ifp->if_flags & IFF_RUNNING)) return (0); /* Disable interrupts. */ RGE_WRITE_4(sc, RGE_IMR, 0); if (!(sc->rge_flags & RGE_FLAG_MSI)) { if ((RGE_READ_4(sc, RGE_ISR) & sc->rge_intrs) == 0) return (0); } status = RGE_READ_4(sc, RGE_ISR); if (status) RGE_WRITE_4(sc, RGE_ISR, status); if (status & RGE_ISR_PCS_TIMEOUT) claimed = 1; rx = tx = 0; if (status & sc->rge_intrs) { if (status & (sc->rge_rx_ack | RGE_ISR_RX_ERR | RGE_ISR_RX_FIFO_OFLOW)) { rx |= rge_rxeof(sc); claimed = 1; } if (status & (sc->rge_tx_ack | RGE_ISR_TX_ERR)) { tx |= rge_txeof(sc); claimed = 1; } if (status & RGE_ISR_SYSTEM_ERR) { KERNEL_LOCK(1, NULL); rge_init(ifp); KERNEL_UNLOCK_ONE(NULL); claimed = 1; } } if (sc->rge_timerintr) { if ((tx | rx) == 0) { /* * Nothing needs to be processed, fallback * to use TX/RX interrupts. */ rge_setup_intr(sc, RGE_IMTYPE_NONE); /* * Recollect, mainly to avoid the possible * race introduced by changing interrupt * masks. */ rge_rxeof(sc); rge_txeof(sc); } else RGE_WRITE_4(sc, RGE_TIMERCNT, 1); } else if (tx | rx) { /* * Assume that using simulated interrupt moderation * (hardware timer based) could reduce the interrupt * rate. */ rge_setup_intr(sc, RGE_IMTYPE_SIM); } RGE_WRITE_4(sc, RGE_IMR, sc->rge_intrs); return (claimed); } int rge_encap(struct rge_softc *sc, struct mbuf *m, int idx) { struct rge_tx_desc *d = NULL; struct rge_txq *txq; bus_dmamap_t txmap; uint32_t cmdsts, cflags = 0; int cur, error, i, last, nsegs; #if notyet /* * Set RGE_TDEXTSTS_IPCSUM if any checksum offloading is requested. * Otherwise, RGE_TDEXTSTS_TCPCSUM / RGE_TDEXTSTS_UDPCSUM does not * take affect. */ if ((m->m_pkthdr.csum_flags & (M_CSUM_IPv4 | M_CSUM_TCPv4 | M_CSUM_UDPv4)) != 0) { cflags |= RGE_TDEXTSTS_IPCSUM; if (m->m_pkthdr.csum_flags & M_TCP_CSUM_OUT) cflags |= RGE_TDEXTSTS_TCPCSUM; if (m->m_pkthdr.csum_flags & M_UDP_CSUM_OUT) cflags |= RGE_TDEXTSTS_UDPCSUM; } #endif txq = &sc->rge_ldata.rge_txq[idx]; txmap = txq->txq_dmamap; error = bus_dmamap_load_mbuf(sc->sc_dmat, txmap, m, BUS_DMA_NOWAIT); switch (error) { case 0: break; case EFBIG: /* mbuf chain is too fragmented */ if (m_defrag(m, M_DONTWAIT) == 0 && bus_dmamap_load_mbuf(sc->sc_dmat, txmap, m, BUS_DMA_NOWAIT) == 0) break; /* FALLTHROUGH */ default: return (0); } bus_dmamap_sync(sc->sc_dmat, txmap, 0, txmap->dm_mapsize, BUS_DMASYNC_PREWRITE); nsegs = txmap->dm_nsegs; /* Set up hardware VLAN tagging. */ if (vlan_has_tag(m)) cflags |= bswap16(vlan_get_tag(m)) | RGE_TDEXTSTS_VTAG; last = cur = idx; cmdsts = RGE_TDCMDSTS_SOF; for (i = 0; i < txmap->dm_nsegs; i++) { d = &sc->rge_ldata.rge_tx_list[cur]; d->rge_extsts = htole32(cflags); d->rge_addrlo = htole32(RGE_ADDR_LO(txmap->dm_segs[i].ds_addr)); d->rge_addrhi = htole32(RGE_ADDR_HI(txmap->dm_segs[i].ds_addr)); cmdsts |= txmap->dm_segs[i].ds_len; if (cur == RGE_TX_LIST_CNT - 1) cmdsts |= RGE_TDCMDSTS_EOR; d->rge_cmdsts = htole32(cmdsts); last = cur; cmdsts = RGE_TDCMDSTS_OWN; cur = RGE_NEXT_TX_DESC(cur); } /* Set EOF on the last descriptor. */ d->rge_cmdsts |= htole32(RGE_TDCMDSTS_EOF); /* Transfer ownership of packet to the chip. */ d = &sc->rge_ldata.rge_tx_list[idx]; d->rge_cmdsts |= htole32(RGE_TDCMDSTS_OWN); bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map, cur * sizeof(struct rge_tx_desc), sizeof(struct rge_tx_desc), BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); /* Update info of TX queue and descriptors. */ txq->txq_mbuf = m; txq->txq_descidx = last; return (nsegs); } int rge_ioctl(struct ifnet *ifp, u_long cmd, void *data) { struct rge_softc *sc = ifp->if_softc; //struct ifreq *ifr = (struct ifreq *)data; int s, error = 0; s = splnet(); switch (cmd) { case SIOCSIFFLAGS: if ((error = ifioctl_common(ifp, cmd, data)) != 0) break; /* XXX set an ifflags callback and let ether_ioctl * handle all of this. */ if (ifp->if_flags & IFF_UP) { if (ifp->if_flags & IFF_RUNNING) error = ENETRESET; else rge_init(ifp); } else { if (ifp->if_flags & IFF_RUNNING) rge_stop(ifp, 1); } break; default: error = ether_ioctl(ifp, cmd, data); } if (error == ENETRESET) { if (ifp->if_flags & IFF_RUNNING) rge_iff(sc); error = 0; } splx(s); return (error); } void rge_start(struct ifnet *ifp) { struct rge_softc *sc = ifp->if_softc; struct mbuf *m; int free, idx, used; int queued = 0; #define LINK_STATE_IS_UP(_s) \ ((_s) >= LINK_STATE_UP || (_s) == LINK_STATE_UNKNOWN) if (!LINK_STATE_IS_UP(ifp->if_link_state)) { IFQ_PURGE(&ifp->if_snd); return; } /* Calculate free space. */ idx = sc->rge_ldata.rge_txq_prodidx; free = sc->rge_ldata.rge_txq_considx; if (free <= idx) free += RGE_TX_LIST_CNT; free -= idx; for (;;) { if (RGE_TX_NSEGS >= free + 2) { SET(ifp->if_flags, IFF_OACTIVE); break; } IFQ_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; used = rge_encap(sc, m, idx); if (used == 0) { m_freem(m); continue; } KASSERT(used <= free); free -= used; bpf_mtap(ifp, m, BPF_D_OUT); idx += used; if (idx >= RGE_TX_LIST_CNT) idx -= RGE_TX_LIST_CNT; queued++; } if (queued == 0) return; /* Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; sc->rge_ldata.rge_txq_prodidx = idx; rge_txstart(sc); } void rge_watchdog(struct ifnet *ifp) { struct rge_softc *sc = ifp->if_softc; device_printf(sc->sc_dev, "watchdog timeout\n"); if_statinc(ifp, if_oerrors); rge_init(ifp); } int rge_init(struct ifnet *ifp) { struct rge_softc *sc = ifp->if_softc; uint32_t val; unsigned i; rge_stop(ifp, 0); /* Set MAC address. */ rge_set_macaddr(sc, CLLADDR(ifp->if_sadl)); /* Set Maximum frame size. */ RGE_WRITE_2(sc, RGE_RXMAXSIZE, RGE_JUMBO_FRAMELEN); /* Initialize RX descriptors list. */ int error = rge_rx_list_init(sc); if (error != 0) { device_printf(sc->sc_dev, "init failed: no memory for RX buffers\n"); rge_stop(ifp, 1); return error; } /* Initialize TX descriptors. */ rge_tx_list_init(sc); /* Load the addresses of the RX and TX lists into the chip. */ RGE_WRITE_4(sc, RGE_RXDESC_ADDR_LO, RGE_ADDR_LO(sc->rge_ldata.rge_rx_list_map->dm_segs[0].ds_addr)); RGE_WRITE_4(sc, RGE_RXDESC_ADDR_HI, RGE_ADDR_HI(sc->rge_ldata.rge_rx_list_map->dm_segs[0].ds_addr)); RGE_WRITE_4(sc, RGE_TXDESC_ADDR_LO, RGE_ADDR_LO(sc->rge_ldata.rge_tx_list_map->dm_segs[0].ds_addr)); RGE_WRITE_4(sc, RGE_TXDESC_ADDR_HI, RGE_ADDR_HI(sc->rge_ldata.rge_tx_list_map->dm_segs[0].ds_addr)); RGE_SETBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); RGE_CLRBIT_1(sc, 0xf1, 0x80); RGE_CLRBIT_1(sc, RGE_CFG2, RGE_CFG2_CLKREQ_EN); RGE_CLRBIT_1(sc, RGE_CFG5, RGE_CFG5_PME_STS); RGE_CLRBIT_1(sc, RGE_CFG3, RGE_CFG3_RDY_TO_L23); /* Clear interrupt moderation timer. */ for (i = 0; i < 64; i++) RGE_WRITE_4(sc, RGE_INTMITI(i), 0); /* Set the initial RX and TX configurations. */ RGE_WRITE_4(sc, RGE_RXCFG, RGE_RXCFG_CONFIG); RGE_WRITE_4(sc, RGE_TXCFG, RGE_TXCFG_CONFIG); val = rge_read_csi(sc, 0x70c) & ~0xff000000; rge_write_csi(sc, 0x70c, val | 0x27000000); /* Enable hardware optimization function. */ val = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x78) & ~0x00007000; pci_conf_write(sc->sc_pc, sc->sc_tag, 0x78, val | 0x00005000); RGE_WRITE_2(sc, 0x0382, 0x221b); RGE_WRITE_1(sc, 0x4500, 0); RGE_WRITE_2(sc, 0x4800, 0); RGE_CLRBIT_1(sc, RGE_CFG1, RGE_CFG1_SPEED_DOWN); rge_write_mac_ocp(sc, 0xc140, 0xffff); rge_write_mac_ocp(sc, 0xc142, 0xffff); val = rge_read_mac_ocp(sc, 0xd3e2) & ~0x0fff; rge_write_mac_ocp(sc, 0xd3e2, val | 0x03a9); RGE_MAC_CLRBIT(sc, 0xd3e4, 0x00ff); RGE_MAC_SETBIT(sc, 0xe860, 0x0080); RGE_MAC_SETBIT(sc, 0xeb58, 0x0001); val = rge_read_mac_ocp(sc, 0xe614) & ~0x0700; if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) rge_write_mac_ocp(sc, 0xe614, val | 0x0400); else rge_write_mac_ocp(sc, 0xe614, val | 0x0200); RGE_MAC_CLRBIT(sc, 0xe63e, 0x0c00); if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) { val = rge_read_mac_ocp(sc, 0xe63e) & ~0x0030; rge_write_mac_ocp(sc, 0xe63e, val | 0x0020); } else RGE_MAC_CLRBIT(sc, 0xe63e, 0x0030); RGE_MAC_SETBIT(sc, 0xc0b4, 0x000c); val = rge_read_mac_ocp(sc, 0xeb6a) & ~0x00ff; rge_write_mac_ocp(sc, 0xeb6a, val | 0x0033); val = rge_read_mac_ocp(sc, 0xeb50) & ~0x03e0; rge_write_mac_ocp(sc, 0xeb50, val | 0x0040); val = rge_read_mac_ocp(sc, 0xe056) & ~0x00f0; rge_write_mac_ocp(sc, 0xe056, val | 0x0030); RGE_WRITE_1(sc, RGE_TDFNR, 0x10); RGE_SETBIT_1(sc, RGE_DLLPR, RGE_DLLPR_TX_10M_PS_EN); RGE_MAC_CLRBIT(sc, 0xe040, 0x1000); val = rge_read_mac_ocp(sc, 0xea1c) & ~0x0003; rge_write_mac_ocp(sc, 0xea1c, val | 0x0001); val = rge_read_mac_ocp(sc, 0xe0c0) & ~0x4f0f; rge_write_mac_ocp(sc, 0xe0c0, val | 0x4403); RGE_MAC_SETBIT(sc, 0xe052, 0x0068); RGE_MAC_CLRBIT(sc, 0xe052, 0x0080); val = rge_read_mac_ocp(sc, 0xc0ac) & ~0x0080; rge_write_mac_ocp(sc, 0xc0ac, val | 0x1f00); val = rge_read_mac_ocp(sc, 0xd430) & ~0x0fff; rge_write_mac_ocp(sc, 0xd430, val | 0x047f); val = rge_read_mac_ocp(sc, 0xe84c) & ~0x0040; if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) rge_write_mac_ocp(sc, 0xe84c, 0x00c0); else rge_write_mac_ocp(sc, 0xe84c, 0x0080); RGE_SETBIT_1(sc, RGE_DLLPR, RGE_DLLPR_PFM_EN); if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) RGE_SETBIT_1(sc, RGE_MCUCMD, 0x01); /* Disable EEE plus. */ RGE_MAC_CLRBIT(sc, 0xe080, 0x0002); RGE_MAC_CLRBIT(sc, 0xea1c, 0x0004); RGE_MAC_SETBIT(sc, 0xeb54, 0x0001); DELAY(1); RGE_MAC_CLRBIT(sc, 0xeb54, 0x0001); RGE_CLRBIT_4(sc, 0x1880, 0x0030); rge_write_mac_ocp(sc, 0xe098, 0xc302); if ((sc->sc_ec.ec_capenable & ETHERCAP_VLAN_HWTAGGING) != 0) RGE_SETBIT_4(sc, RGE_RXCFG, RGE_RXCFG_VLANSTRIP); else RGE_CLRBIT_4(sc, RGE_RXCFG, RGE_RXCFG_VLANSTRIP); RGE_SETBIT_2(sc, RGE_CPLUSCMD, RGE_CPLUSCMD_RXCSUM); for (i = 0; i < 10; i++) { if (!(rge_read_mac_ocp(sc, 0xe00e) & 0x2000)) break; DELAY(1000); } /* Disable RXDV gate. */ RGE_CLRBIT_1(sc, RGE_PPSW, 0x08); DELAY(2000); rge_ifmedia_upd(ifp); /* Enable transmit and receive. */ RGE_WRITE_1(sc, RGE_CMD, RGE_CMD_TXENB | RGE_CMD_RXENB); /* Program promiscuous mode and multicast filters. */ rge_iff(sc); RGE_CLRBIT_1(sc, RGE_CFG2, RGE_CFG2_CLKREQ_EN); RGE_CLRBIT_1(sc, RGE_CFG5, RGE_CFG5_PME_STS); RGE_CLRBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); /* Enable interrupts. */ rge_setup_intr(sc, RGE_IMTYPE_SIM); ifp->if_flags |= IFF_RUNNING; CLR(ifp->if_flags, IFF_OACTIVE); callout_schedule(&sc->sc_timeout, 1); return (0); } /* * Stop the adapter and free any mbufs allocated to the RX and TX lists. */ void rge_stop(struct ifnet *ifp, int disable) { struct rge_softc *sc = ifp->if_softc; callout_halt(&sc->sc_timeout, NULL); ifp->if_timer = 0; ifp->if_flags &= ~IFF_RUNNING; sc->rge_timerintr = 0; RGE_CLRBIT_4(sc, RGE_RXCFG, RGE_RXCFG_ALLPHYS | RGE_RXCFG_INDIV | RGE_RXCFG_MULTI | RGE_RXCFG_BROAD | RGE_RXCFG_RUNT | RGE_RXCFG_ERRPKT); RGE_WRITE_4(sc, RGE_IMR, 0); /* Clear timer interrupts. */ RGE_WRITE_4(sc, RGE_TIMERINT0, 0); RGE_WRITE_4(sc, RGE_TIMERINT1, 0); RGE_WRITE_4(sc, RGE_TIMERINT2, 0); RGE_WRITE_4(sc, RGE_TIMERINT3, 0); rge_reset(sc); // intr_barrier(sc->sc_ih); // ifq_barrier(&ifp->if_snd); /* ifq_clr_oactive(&ifp->if_snd); Sevan - OpenBSD queue API */ if (sc->rge_head != NULL) { m_freem(sc->rge_head); sc->rge_head = sc->rge_tail = NULL; } rge_tx_list_fini(sc); rge_rx_list_fini(sc); } /* * Set media options. */ int rge_ifmedia_upd(struct ifnet *ifp) { struct rge_softc *sc = ifp->if_softc; struct ifmedia *ifm = &sc->sc_media; int anar, gig, val; if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) return (EINVAL); /* Disable Gigabit Lite. */ RGE_PHY_CLRBIT(sc, 0xa428, 0x0200); RGE_PHY_CLRBIT(sc, 0xa5ea, 0x0001); val = rge_read_phy_ocp(sc, 0xa5d4); val &= ~RGE_ADV_2500TFDX; anar = gig = 0; switch (IFM_SUBTYPE(ifm->ifm_media)) { case IFM_AUTO: anar = ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10; gig = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX; val |= RGE_ADV_2500TFDX; break; case IFM_2500_T: anar = ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10; gig = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX; val |= RGE_ADV_2500TFDX; ifp->if_baudrate = IF_Mbps(2500); break; case IFM_1000_T: anar = ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10; gig = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX; ifp->if_baudrate = IF_Gbps(1); break; case IFM_100_TX: gig = rge_read_phy(sc, 0, MII_100T2CR) & ~(GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX); anar = ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) ? ANAR_TX | ANAR_TX_FD | ANAR_10_FD | ANAR_10 : ANAR_TX | ANAR_10_FD | ANAR_10; ifp->if_baudrate = IF_Mbps(100); break; case IFM_10_T: gig = rge_read_phy(sc, 0, MII_100T2CR) & ~(GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX); anar = ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) ? ANAR_10_FD | ANAR_10 : ANAR_10; ifp->if_baudrate = IF_Mbps(10); break; default: device_printf(sc->sc_dev, "unsupported media type\n"); return (EINVAL); } rge_write_phy(sc, 0, MII_ANAR, anar | ANAR_PAUSE_ASYM | ANAR_FC); rge_write_phy(sc, 0, MII_100T2CR, gig); rge_write_phy_ocp(sc, 0xa5d4, val); rge_write_phy(sc, 0, MII_BMCR, BMCR_RESET | BMCR_AUTOEN | BMCR_STARTNEG); return (0); } /* * Report current media status. */ void rge_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) { struct rge_softc *sc = ifp->if_softc; uint16_t status = 0; ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (rge_get_link_status(sc)) { ifmr->ifm_status |= IFM_ACTIVE; status = RGE_READ_2(sc, RGE_PHYSTAT); if ((status & RGE_PHYSTAT_FDX) || (status & RGE_PHYSTAT_2500MBPS)) ifmr->ifm_active |= IFM_FDX; else ifmr->ifm_active |= IFM_HDX; if (status & RGE_PHYSTAT_10MBPS) ifmr->ifm_active |= IFM_10_T; else if (status & RGE_PHYSTAT_100MBPS) ifmr->ifm_active |= IFM_100_TX; else if (status & RGE_PHYSTAT_1000MBPS) ifmr->ifm_active |= IFM_1000_T; else if (status & RGE_PHYSTAT_2500MBPS) ifmr->ifm_active |= IFM_2500_T; } } /* * Allocate memory for RX/TX rings. * * XXX There is no tear-down for this if it any part fails, so everything * remains allocated. */ int rge_allocmem(struct rge_softc *sc) { int error, i; /* Allocate DMA'able memory for the TX ring. */ error = bus_dmamap_create(sc->sc_dmat, RGE_TX_LIST_SZ, 1, RGE_TX_LIST_SZ, 0, BUS_DMA_NOWAIT, &sc->rge_ldata.rge_tx_list_map); if (error) { aprint_error_dev(sc->sc_dev, "can't create TX list map\n"); return (error); } error = bus_dmamem_alloc(sc->sc_dmat, RGE_TX_LIST_SZ, RGE_ALIGN, 0, &sc->rge_ldata.rge_tx_listseg, 1, &sc->rge_ldata.rge_tx_listnseg, BUS_DMA_NOWAIT); if (error) { aprint_error_dev(sc->sc_dev, "can't alloc TX list\n"); return (error); } /* Load the map for the TX ring. */ error = bus_dmamem_map(sc->sc_dmat, &sc->rge_ldata.rge_tx_listseg, sc->rge_ldata.rge_tx_listnseg, RGE_TX_LIST_SZ, (void **) &sc->rge_ldata.rge_tx_list, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); if (error) { aprint_error_dev(sc->sc_dev, "can't map TX dma buffers\n"); bus_dmamem_free(sc->sc_dmat, &sc->rge_ldata.rge_tx_listseg, sc->rge_ldata.rge_tx_listnseg); return (error); } memset(sc->rge_ldata.rge_tx_list, 0, RGE_TX_LIST_SZ); error = bus_dmamap_load(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map, sc->rge_ldata.rge_tx_list, RGE_TX_LIST_SZ, NULL, BUS_DMA_NOWAIT); if (error) { aprint_error_dev(sc->sc_dev, "can't load TX dma map\n"); bus_dmamap_destroy(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map); bus_dmamem_unmap(sc->sc_dmat, sc->rge_ldata.rge_tx_list, RGE_TX_LIST_SZ); bus_dmamem_free(sc->sc_dmat, &sc->rge_ldata.rge_tx_listseg, sc->rge_ldata.rge_tx_listnseg); return (error); } /* Create DMA maps for TX buffers. */ for (i = 0; i < RGE_TX_LIST_CNT; i++) { error = bus_dmamap_create(sc->sc_dmat, RGE_JUMBO_FRAMELEN, RGE_TX_NSEGS, RGE_JUMBO_FRAMELEN, 0, 0, &sc->rge_ldata.rge_txq[i].txq_dmamap); if (error) { aprint_error_dev(sc->sc_dev, "can't create DMA map for TX\n"); return (error); } } /* Allocate DMA'able memory for the RX ring. */ error = bus_dmamap_create(sc->sc_dmat, RGE_RX_LIST_SZ, 1, RGE_RX_LIST_SZ, 0, 0, &sc->rge_ldata.rge_rx_list_map); if (error) { aprint_error_dev(sc->sc_dev, "can't create RX list map\n"); return (error); } error = bus_dmamem_alloc(sc->sc_dmat, RGE_RX_LIST_SZ, RGE_ALIGN, 0, &sc->rge_ldata.rge_rx_listseg, 1, &sc->rge_ldata.rge_rx_listnseg, BUS_DMA_NOWAIT); if (error) { aprint_error_dev(sc->sc_dev, "can't alloc RX list\n"); return (error); } /* Load the map for the RX ring. */ error = bus_dmamem_map(sc->sc_dmat, &sc->rge_ldata.rge_rx_listseg, sc->rge_ldata.rge_rx_listnseg, RGE_RX_LIST_SZ, (void **) &sc->rge_ldata.rge_rx_list, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); if (error) { aprint_error_dev(sc->sc_dev, "can't map RX dma buffers\n"); bus_dmamem_free(sc->sc_dmat, &sc->rge_ldata.rge_rx_listseg, sc->rge_ldata.rge_rx_listnseg); return (error); } memset(sc->rge_ldata.rge_rx_list, 0, RGE_RX_LIST_SZ); error = bus_dmamap_load(sc->sc_dmat, sc->rge_ldata.rge_rx_list_map, sc->rge_ldata.rge_rx_list, RGE_RX_LIST_SZ, NULL, BUS_DMA_NOWAIT); if (error) { aprint_error_dev(sc->sc_dev, "can't load RX dma map\n"); bus_dmamap_destroy(sc->sc_dmat, sc->rge_ldata.rge_rx_list_map); bus_dmamem_unmap(sc->sc_dmat, sc->rge_ldata.rge_rx_list, RGE_RX_LIST_SZ); bus_dmamem_free(sc->sc_dmat, &sc->rge_ldata.rge_rx_listseg, sc->rge_ldata.rge_rx_listnseg); return (error); } /* * Create DMA maps for RX buffers. Use BUS_DMA_ALLOCNOW to avoid any * potential failure in bus_dmamap_load_mbuf() in the RX path. */ for (i = 0; i < RGE_RX_LIST_CNT; i++) { error = bus_dmamap_create(sc->sc_dmat, RGE_JUMBO_FRAMELEN, 1, RGE_JUMBO_FRAMELEN, 0, BUS_DMA_ALLOCNOW, &sc->rge_ldata.rge_rxq[i].rxq_dmamap); if (error) { aprint_error_dev(sc->sc_dev, "can't create DMA map for RX\n"); return (error); } } return (error); } /* * Set an RX descriptor and sync it. */ static void rge_load_rxbuf(struct rge_softc *sc, int idx) { struct rge_rx_desc *r = &sc->rge_ldata.rge_rx_list[idx]; struct rge_rxq *rxq = &sc->rge_ldata.rge_rxq[idx]; bus_dmamap_t rxmap = rxq->rxq_dmamap; uint32_t cmdsts; cmdsts = rxmap->dm_segs[0].ds_len | RGE_RDCMDSTS_OWN; if (idx == RGE_RX_LIST_CNT - 1) cmdsts |= RGE_RDCMDSTS_EOR; r->hi_qword0.rge_addr = htole64(rxmap->dm_segs[0].ds_addr); r->hi_qword1.rx_qword4.rge_extsts = 0; r->hi_qword1.rx_qword4.rge_cmdsts = htole32(cmdsts); bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_rx_list_map, idx * sizeof(struct rge_rx_desc), sizeof(struct rge_rx_desc), BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); } /* * Initialize the RX descriptor and attach an mbuf cluster. */ int rge_newbuf(struct rge_softc *sc, int idx) { struct mbuf *m; struct rge_rxq *rxq; bus_dmamap_t rxmap; int error __diagused; m = MCLGETL(NULL, M_DONTWAIT, RGE_JUMBO_FRAMELEN); if (m == NULL) return (ENOBUFS); m->m_len = m->m_pkthdr.len = RGE_JUMBO_FRAMELEN; rxq = &sc->rge_ldata.rge_rxq[idx]; rxmap = rxq->rxq_dmamap; if (rxq->rxq_mbuf != NULL) bus_dmamap_unload(sc->sc_dmat, rxq->rxq_dmamap); /* This map was created with BUS_DMA_ALLOCNOW so should never fail. */ error = bus_dmamap_load_mbuf(sc->sc_dmat, rxmap, m, BUS_DMA_NOWAIT); KASSERTMSG(error == 0, "error=%d", error); bus_dmamap_sync(sc->sc_dmat, rxmap, 0, rxmap->dm_mapsize, BUS_DMASYNC_PREREAD); /* Map the segments into RX descriptors. */ rxq->rxq_mbuf = m; rge_load_rxbuf(sc, idx); return 0; } static int rge_rx_list_init(struct rge_softc *sc) { unsigned i; memset(sc->rge_ldata.rge_rx_list, 0, RGE_RX_LIST_SZ); for (i = 0; i < RGE_RX_LIST_CNT; i++) { sc->rge_ldata.rge_rxq[i].rxq_mbuf = NULL; if (rge_newbuf(sc, i) != 0) { rge_rx_list_fini(sc); return (ENOBUFS); } } sc->rge_ldata.rge_rxq_prodidx = sc->rge_ldata.rge_rxq_considx = 0; sc->rge_head = sc->rge_tail = NULL; return (0); } static void rge_rx_list_fini(struct rge_softc *sc) { unsigned i; /* Free the RX list buffers. */ for (i = 0; i < RGE_RX_LIST_CNT; i++) { if (sc->rge_ldata.rge_rxq[i].rxq_mbuf != NULL) { bus_dmamap_unload(sc->sc_dmat, sc->rge_ldata.rge_rxq[i].rxq_dmamap); m_freem(sc->rge_ldata.rge_rxq[i].rxq_mbuf); sc->rge_ldata.rge_rxq[i].rxq_mbuf = NULL; } } } static void rge_tx_list_init(struct rge_softc *sc) { unsigned i; memset(sc->rge_ldata.rge_tx_list, 0, RGE_TX_LIST_SZ); for (i = 0; i < RGE_TX_LIST_CNT; i++) sc->rge_ldata.rge_txq[i].txq_mbuf = NULL; bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map, 0, sc->rge_ldata.rge_tx_list_map->dm_mapsize, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); sc->rge_ldata.rge_txq_prodidx = sc->rge_ldata.rge_txq_considx = 0; } static void rge_tx_list_fini(struct rge_softc *sc) { unsigned i; /* Free the TX list buffers. */ for (i = 0; i < RGE_TX_LIST_CNT; i++) { if (sc->rge_ldata.rge_txq[i].txq_mbuf != NULL) { bus_dmamap_unload(sc->sc_dmat, sc->rge_ldata.rge_txq[i].txq_dmamap); m_freem(sc->rge_ldata.rge_txq[i].txq_mbuf); sc->rge_ldata.rge_txq[i].txq_mbuf = NULL; } } } int rge_rxeof(struct rge_softc *sc) { struct mbuf *m; struct ifnet *ifp = &sc->sc_ec.ec_if; struct rge_rx_desc *cur_rx; struct rge_rxq *rxq; uint32_t rxstat, extsts; int i, total_len, rx = 0; for (i = sc->rge_ldata.rge_rxq_considx; ; i = RGE_NEXT_RX_DESC(i)) { /* Invalidate the descriptor memory. */ bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_rx_list_map, i * sizeof(struct rge_rx_desc), sizeof(struct rge_rx_desc), BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); cur_rx = &sc->rge_ldata.rge_rx_list[i]; if (RGE_OWN(cur_rx)) break; rxstat = letoh32(cur_rx->hi_qword1.rx_qword4.rge_cmdsts); extsts = letoh32(cur_rx->hi_qword1.rx_qword4.rge_extsts); total_len = RGE_RXBYTES(cur_rx); rxq = &sc->rge_ldata.rge_rxq[i]; m = rxq->rxq_mbuf; rx = 1; /* Invalidate the RX mbuf. */ bus_dmamap_sync(sc->sc_dmat, rxq->rxq_dmamap, 0, rxq->rxq_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); if ((rxstat & (RGE_RDCMDSTS_SOF | RGE_RDCMDSTS_EOF)) != (RGE_RDCMDSTS_SOF | RGE_RDCMDSTS_EOF)) { if_statinc(ifp, if_ierrors); rge_load_rxbuf(sc, i); continue; } if (rxstat & RGE_RDCMDSTS_RXERRSUM) { if_statinc(ifp, if_ierrors); /* * If this is part of a multi-fragment packet, * discard all the pieces. */ if (sc->rge_head != NULL) { m_freem(sc->rge_head); sc->rge_head = sc->rge_tail = NULL; } rge_load_rxbuf(sc, i); continue; } /* * If allocating a replacement mbuf fails, * reload the current one. */ if (rge_newbuf(sc, i) != 0) { if_statinc(ifp, if_iqdrops); if (sc->rge_head != NULL) { m_freem(sc->rge_head); sc->rge_head = sc->rge_tail = NULL; } rge_load_rxbuf(sc, i); continue; } m_set_rcvif(m, ifp); if (sc->rge_head != NULL) { m->m_len = total_len; /* * Special case: if there's 4 bytes or less * in this buffer, the mbuf can be discarded: * the last 4 bytes is the CRC, which we don't * care about anyway. */ if (m->m_len <= ETHER_CRC_LEN) { sc->rge_tail->m_len -= (ETHER_CRC_LEN - m->m_len); m_freem(m); } else { m->m_len -= ETHER_CRC_LEN; m->m_flags &= ~M_PKTHDR; sc->rge_tail->m_next = m; } m = sc->rge_head; sc->rge_head = sc->rge_tail = NULL; m->m_pkthdr.len = total_len - ETHER_CRC_LEN; } else #if 0 m->m_pkthdr.len = m->m_len = (total_len - ETHER_CRC_LEN); #else { m->m_pkthdr.len = m->m_len = total_len; m->m_flags |= M_HASFCS; } #endif #if notyet /* Check IP header checksum. */ if (!(extsts & RGE_RDEXTSTS_IPCSUMERR) && (extsts & RGE_RDEXTSTS_IPV4)) m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; /* Check TCP/UDP checksum. */ if ((extsts & (RGE_RDEXTSTS_IPV4 | RGE_RDEXTSTS_IPV6)) && (((extsts & RGE_RDEXTSTS_TCPPKT) && !(extsts & RGE_RDEXTSTS_TCPCSUMERR)) || ((extsts & RGE_RDEXTSTS_UDPPKT) && !(extsts & RGE_RDEXTSTS_UDPCSUMERR)))) m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK | M_UDP_CSUM_IN_OK; #endif if (extsts & RGE_RDEXTSTS_VTAG) { vlan_set_tag(m, bswap16(extsts & RGE_RDEXTSTS_VLAN_MASK)); } if_percpuq_enqueue(ifp->if_percpuq, m); } sc->rge_ldata.rge_rxq_considx = i; return (rx); } int rge_txeof(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; struct rge_txq *txq; uint32_t txstat; int cons, idx, prod; int free = 0; prod = sc->rge_ldata.rge_txq_prodidx; cons = sc->rge_ldata.rge_txq_considx; while (prod != cons) { txq = &sc->rge_ldata.rge_txq[cons]; idx = txq->txq_descidx; bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map, idx * sizeof(struct rge_tx_desc), sizeof(struct rge_tx_desc), BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); txstat = letoh32(sc->rge_ldata.rge_tx_list[idx].rge_cmdsts); if (txstat & RGE_TDCMDSTS_OWN) { free = 2; break; } bus_dmamap_sync(sc->sc_dmat, txq->txq_dmamap, 0, txq->txq_dmamap->dm_mapsize, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, txq->txq_dmamap); m_freem(txq->txq_mbuf); txq->txq_mbuf = NULL; net_stat_ref_t nsr = IF_STAT_GETREF(ifp); if (txstat & (RGE_TDCMDSTS_EXCESSCOLL | RGE_TDCMDSTS_COLL)) if_statinc_ref(nsr, if_collisions); if (txstat & RGE_TDCMDSTS_TXERR) if_statinc_ref(nsr, if_oerrors); else if_statinc_ref(nsr, if_opackets); IF_STAT_PUTREF(ifp); bus_dmamap_sync(sc->sc_dmat, sc->rge_ldata.rge_tx_list_map, idx * sizeof(struct rge_tx_desc), sizeof(struct rge_tx_desc), BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); cons = RGE_NEXT_TX_DESC(idx); free = 1; } if (free == 0) return (0); sc->rge_ldata.rge_txq_considx = cons; if (free == 2) rge_txstart(sc); CLR(ifp->if_flags, IFF_OACTIVE); ifp->if_timer = 0; if_schedule_deferred_start(ifp); return (1); } void rge_reset(struct rge_softc *sc) { int i; /* Enable RXDV gate. */ RGE_SETBIT_1(sc, RGE_PPSW, 0x08); DELAY(2000); for (i = 0; i < 3000; i++) { DELAY(50); if ((RGE_READ_1(sc, RGE_MCUCMD) & (RGE_MCUCMD_RXFIFO_EMPTY | RGE_MCUCMD_TXFIFO_EMPTY)) == (RGE_MCUCMD_RXFIFO_EMPTY | RGE_MCUCMD_TXFIFO_EMPTY)) break; } if (sc->rge_type == MAC_CFG4 || sc->rge_type == MAC_CFG5) { for (i = 0; i < 3000; i++) { DELAY(50); if ((RGE_READ_2(sc, RGE_IM) & 0x0103) == 0x0103) break; } } DELAY(2000); /* Soft reset. */ RGE_WRITE_1(sc, RGE_CMD, RGE_CMD_RESET); for (i = 0; i < RGE_TIMEOUT; i++) { DELAY(100); if (!(RGE_READ_1(sc, RGE_CMD) & RGE_CMD_RESET)) break; } if (i == RGE_TIMEOUT) device_printf(sc->sc_dev, "reset never completed!\n"); } void rge_iff(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; struct ethercom *ec = &sc->sc_ec; struct ether_multi *enm; struct ether_multistep step; uint32_t hashes[2]; uint32_t rxfilt; int h = 0; rxfilt = RGE_READ_4(sc, RGE_RXCFG); rxfilt &= ~(RGE_RXCFG_ALLPHYS | RGE_RXCFG_MULTI); ifp->if_flags &= ~IFF_ALLMULTI; /* * Always accept frames destined to our station address. * Always accept broadcast frames. */ rxfilt |= RGE_RXCFG_INDIV | RGE_RXCFG_BROAD; if (ifp->if_flags & IFF_PROMISC) { allmulti: ifp->if_flags |= IFF_ALLMULTI; rxfilt |= RGE_RXCFG_MULTI; if (ifp->if_flags & IFF_PROMISC) rxfilt |= RGE_RXCFG_ALLPHYS; hashes[0] = hashes[1] = 0xffffffff; } else { rxfilt |= RGE_RXCFG_MULTI; /* Program new filter. */ memset(hashes, 0, sizeof(hashes)); ETHER_LOCK(ec); ETHER_FIRST_MULTI(step, ec, enm); while (enm != NULL) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { ETHER_UNLOCK(ec); goto allmulti; } h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; if (h < 32) hashes[0] |= (1U << h); else hashes[1] |= (1U << (h - 32)); ETHER_NEXT_MULTI(step, enm); } ETHER_UNLOCK(ec); } RGE_WRITE_4(sc, RGE_RXCFG, rxfilt); RGE_WRITE_4(sc, RGE_MAR0, bswap32(hashes[1])); RGE_WRITE_4(sc, RGE_MAR4, bswap32(hashes[0])); } void rge_set_phy_power(struct rge_softc *sc, int on) { int i; if (on) { RGE_SETBIT_1(sc, RGE_PMCH, 0xc0); rge_write_phy(sc, 0, MII_BMCR, BMCR_AUTOEN); for (i = 0; i < RGE_TIMEOUT; i++) { if ((rge_read_phy_ocp(sc, 0xa420) & 0x0007) == 3) break; DELAY(1000); } } else { rge_write_phy(sc, 0, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN); RGE_CLRBIT_1(sc, RGE_PMCH, 0x80); RGE_CLRBIT_1(sc, RGE_PPSW, 0x40); } } void rge_phy_config(struct rge_softc *sc) { /* Read microcode version. */ rge_write_phy_ocp(sc, 0xa436, 0x801e); sc->rge_mcodever = rge_read_phy_ocp(sc, 0xa438); switch (sc->rge_type) { case MAC_CFG2: rge_phy_config_mac_cfg2(sc); break; case MAC_CFG3: rge_phy_config_mac_cfg3(sc); break; case MAC_CFG4: rge_phy_config_mac_cfg4(sc); break; case MAC_CFG5: rge_phy_config_mac_cfg5(sc); break; default: break; /* Can't happen. */ } rge_write_phy(sc, 0x0a5b, 0x12, rge_read_phy(sc, 0x0a5b, 0x12) & ~0x8000); /* Disable EEE. */ RGE_MAC_CLRBIT(sc, 0xe040, 0x0003); if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) { RGE_MAC_CLRBIT(sc, 0xeb62, 0x0006); RGE_PHY_CLRBIT(sc, 0xa432, 0x0010); } RGE_PHY_CLRBIT(sc, 0xa5d0, 0x0006); RGE_PHY_CLRBIT(sc, 0xa6d4, 0x0001); RGE_PHY_CLRBIT(sc, 0xa6d8, 0x0010); RGE_PHY_CLRBIT(sc, 0xa428, 0x0080); RGE_PHY_CLRBIT(sc, 0xa4a2, 0x0200); rge_patch_phy_mcu(sc, 1); RGE_MAC_CLRBIT(sc, 0xe052, 0x0001); RGE_PHY_CLRBIT(sc, 0xa442, 0x3000); RGE_PHY_CLRBIT(sc, 0xa430, 0x8000); rge_patch_phy_mcu(sc, 0); } void rge_phy_config_mac_cfg2(struct rge_softc *sc) { uint16_t val; int i; for (i = 0; i < nitems(rtl8125_mac_cfg2_ephy); i++) rge_write_ephy(sc, rtl8125_mac_cfg2_ephy[i].reg, rtl8125_mac_cfg2_ephy[i].val); rge_phy_config_mcu(sc, RGE_MAC_CFG2_MCODE_VER); val = rge_read_phy_ocp(sc, 0xad40) & ~0x03ff; rge_write_phy_ocp(sc, 0xad40, val | 0x0084); RGE_PHY_SETBIT(sc, 0xad4e, 0x0010); val = rge_read_phy_ocp(sc, 0xad16) & ~0x03ff; rge_write_phy_ocp(sc, 0xad16, val | 0x0006); val = rge_read_phy_ocp(sc, 0xad32) & ~0x03ff; rge_write_phy_ocp(sc, 0xad32, val | 0x0006); RGE_PHY_CLRBIT(sc, 0xac08, 0x1100); val = rge_read_phy_ocp(sc, 0xac8a) & ~0xf000; rge_write_phy_ocp(sc, 0xac8a, val | 0x7000); RGE_PHY_SETBIT(sc, 0xad18, 0x0400); RGE_PHY_SETBIT(sc, 0xad1a, 0x03ff); RGE_PHY_SETBIT(sc, 0xad1c, 0x03ff); rge_write_phy_ocp(sc, 0xa436, 0x80ea); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0xc400); rge_write_phy_ocp(sc, 0xa436, 0x80eb); val = rge_read_phy_ocp(sc, 0xa438) & ~0x0700; rge_write_phy_ocp(sc, 0xa438, val | 0x0300); rge_write_phy_ocp(sc, 0xa436, 0x80f8); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x1c00); rge_write_phy_ocp(sc, 0xa436, 0x80f1); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x3000); rge_write_phy_ocp(sc, 0xa436, 0x80fe); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0xa500); rge_write_phy_ocp(sc, 0xa436, 0x8102); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x5000); rge_write_phy_ocp(sc, 0xa436, 0x8105); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x3300); rge_write_phy_ocp(sc, 0xa436, 0x8100); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x7000); rge_write_phy_ocp(sc, 0xa436, 0x8104); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0xf000); rge_write_phy_ocp(sc, 0xa436, 0x8106); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x6500); rge_write_phy_ocp(sc, 0xa436, 0x80dc); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0xed00); rge_write_phy_ocp(sc, 0xa436, 0x80df); RGE_PHY_SETBIT(sc, 0xa438, 0x0100); rge_write_phy_ocp(sc, 0xa436, 0x80e1); RGE_PHY_CLRBIT(sc, 0xa438, 0x0100); val = rge_read_phy_ocp(sc, 0xbf06) & ~0x003f; rge_write_phy_ocp(sc, 0xbf06, val | 0x0038); rge_write_phy_ocp(sc, 0xa436, 0x819f); rge_write_phy_ocp(sc, 0xa438, 0xd0b6); rge_write_phy_ocp(sc, 0xbc34, 0x5555); val = rge_read_phy_ocp(sc, 0xbf0a) & ~0x0e00; rge_write_phy_ocp(sc, 0xbf0a, val | 0x0a00); RGE_PHY_CLRBIT(sc, 0xa5c0, 0x0400); RGE_PHY_SETBIT(sc, 0xa442, 0x0800); } void rge_phy_config_mac_cfg3(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; uint16_t val; int i; static const uint16_t mac_cfg3_a438_value[] = { 0x0043, 0x00a7, 0x00d6, 0x00ec, 0x00f6, 0x00fb, 0x00fd, 0x00ff, 0x00bb, 0x0058, 0x0029, 0x0013, 0x0009, 0x0004, 0x0002 }; static const uint16_t mac_cfg3_b88e_value[] = { 0xc091, 0x6e12, 0xc092, 0x1214, 0xc094, 0x1516, 0xc096, 0x171b, 0xc098, 0x1b1c, 0xc09a, 0x1f1f, 0xc09c, 0x2021, 0xc09e, 0x2224, 0xc0a0, 0x2424, 0xc0a2, 0x2424, 0xc0a4, 0x2424, 0xc018, 0x0af2, 0xc01a, 0x0d4a, 0xc01c, 0x0f26, 0xc01e, 0x118d, 0xc020, 0x14f3, 0xc022, 0x175a, 0xc024, 0x19c0, 0xc026, 0x1c26, 0xc089, 0x6050, 0xc08a, 0x5f6e, 0xc08c, 0x6e6e, 0xc08e, 0x6e6e, 0xc090, 0x6e12 }; for (i = 0; i < nitems(rtl8125_mac_cfg3_ephy); i++) rge_write_ephy(sc, rtl8125_mac_cfg3_ephy[i].reg, rtl8125_mac_cfg3_ephy[i].val); val = rge_read_ephy(sc, 0x002a) & ~0x7000; rge_write_ephy(sc, 0x002a, val | 0x3000); RGE_EPHY_CLRBIT(sc, 0x0019, 0x0040); RGE_EPHY_SETBIT(sc, 0x001b, 0x0e00); RGE_EPHY_CLRBIT(sc, 0x001b, 0x7000); rge_write_ephy(sc, 0x0002, 0x6042); rge_write_ephy(sc, 0x0006, 0x0014); val = rge_read_ephy(sc, 0x006a) & ~0x7000; rge_write_ephy(sc, 0x006a, val | 0x3000); RGE_EPHY_CLRBIT(sc, 0x0059, 0x0040); RGE_EPHY_SETBIT(sc, 0x005b, 0x0e00); RGE_EPHY_CLRBIT(sc, 0x005b, 0x7000); rge_write_ephy(sc, 0x0042, 0x6042); rge_write_ephy(sc, 0x0046, 0x0014); rge_phy_config_mcu(sc, RGE_MAC_CFG3_MCODE_VER); RGE_PHY_SETBIT(sc, 0xad4e, 0x0010); val = rge_read_phy_ocp(sc, 0xad16) & ~0x03ff; rge_write_phy_ocp(sc, 0xad16, val | 0x03ff); val = rge_read_phy_ocp(sc, 0xad32) & ~0x003f; rge_write_phy_ocp(sc, 0xad32, val | 0x0006); RGE_PHY_CLRBIT(sc, 0xac08, 0x1000); RGE_PHY_CLRBIT(sc, 0xac08, 0x0100); val = rge_read_phy_ocp(sc, 0xacc0) & ~0x0003; rge_write_phy_ocp(sc, 0xacc0, val | 0x0002); val = rge_read_phy_ocp(sc, 0xad40) & ~0x00e0; rge_write_phy_ocp(sc, 0xad40, val | 0x0040); val = rge_read_phy_ocp(sc, 0xad40) & ~0x0007; rge_write_phy_ocp(sc, 0xad40, val | 0x0004); RGE_PHY_CLRBIT(sc, 0xac14, 0x0080); RGE_PHY_CLRBIT(sc, 0xac80, 0x0300); val = rge_read_phy_ocp(sc, 0xac5e) & ~0x0007; rge_write_phy_ocp(sc, 0xac5e, val | 0x0002); rge_write_phy_ocp(sc, 0xad4c, 0x00a8); rge_write_phy_ocp(sc, 0xac5c, 0x01ff); val = rge_read_phy_ocp(sc, 0xac8a) & ~0x00f0; rge_write_phy_ocp(sc, 0xac8a, val | 0x0030); rge_write_phy_ocp(sc, 0xb87c, 0x8157); val = rge_read_phy_ocp(sc, 0xb87e) & ~0xff00; rge_write_phy_ocp(sc, 0xb87e, val | 0x0500); rge_write_phy_ocp(sc, 0xb87c, 0x8159); val = rge_read_phy_ocp(sc, 0xb87e) & ~0xff00; rge_write_phy_ocp(sc, 0xb87e, val | 0x0700); RGE_WRITE_2(sc, RGE_EEE_TXIDLE_TIMER, ifp->if_mtu + ETHER_HDR_LEN + 32); rge_write_phy_ocp(sc, 0xb87c, 0x80a2); rge_write_phy_ocp(sc, 0xb87e, 0x0153); rge_write_phy_ocp(sc, 0xb87c, 0x809c); rge_write_phy_ocp(sc, 0xb87e, 0x0153); rge_write_phy_ocp(sc, 0xa436, 0x81b3); for (i = 0; i < nitems(mac_cfg3_a438_value); i++) rge_write_phy_ocp(sc, 0xa438, mac_cfg3_a438_value[i]); for (i = 0; i < 26; i++) rge_write_phy_ocp(sc, 0xa438, 0); rge_write_phy_ocp(sc, 0xa436, 0x8257); rge_write_phy_ocp(sc, 0xa438, 0x020f); rge_write_phy_ocp(sc, 0xa436, 0x80ea); rge_write_phy_ocp(sc, 0xa438, 0x7843); rge_patch_phy_mcu(sc, 1); RGE_PHY_CLRBIT(sc, 0xb896, 0x0001); RGE_PHY_CLRBIT(sc, 0xb892, 0xff00); for (i = 0; i < nitems(mac_cfg3_b88e_value); i += 2) { rge_write_phy_ocp(sc, 0xb88e, mac_cfg3_b88e_value[i]); rge_write_phy_ocp(sc, 0xb890, mac_cfg3_b88e_value[i + 1]); } RGE_PHY_SETBIT(sc, 0xb896, 0x0001); rge_patch_phy_mcu(sc, 0); RGE_PHY_SETBIT(sc, 0xd068, 0x2000); rge_write_phy_ocp(sc, 0xa436, 0x81a2); RGE_PHY_SETBIT(sc, 0xa438, 0x0100); val = rge_read_phy_ocp(sc, 0xb54c) & ~0xff00; rge_write_phy_ocp(sc, 0xb54c, val | 0xdb00); RGE_PHY_CLRBIT(sc, 0xa454, 0x0001); RGE_PHY_SETBIT(sc, 0xa5d4, 0x0020); RGE_PHY_CLRBIT(sc, 0xad4e, 0x0010); RGE_PHY_CLRBIT(sc, 0xa86a, 0x0001); RGE_PHY_SETBIT(sc, 0xa442, 0x0800); } void rge_phy_config_mac_cfg4(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; uint16_t val; int i; static const uint16_t mac_cfg4_b87c_value[] = { 0x8013, 0x0700, 0x8fb9, 0x2801, 0x8fba, 0x0100, 0x8fbc, 0x1900, 0x8fbe, 0xe100, 0x8fc0, 0x0800, 0x8fc2, 0xe500, 0x8fc4, 0x0f00, 0x8fc6, 0xf100, 0x8fc8, 0x0400, 0x8fca, 0xf300, 0x8fcc, 0xfd00, 0x8fce, 0xff00, 0x8fd0, 0xfb00, 0x8fd2, 0x0100, 0x8fd4, 0xf400, 0x8fd6, 0xff00, 0x8fd8, 0xf600, 0x813d, 0x390e, 0x814f, 0x790e, 0x80b0, 0x0f31 }; for (i = 0; i < nitems(rtl8125_mac_cfg4_ephy); i++) rge_write_ephy(sc, rtl8125_mac_cfg4_ephy[i].reg, rtl8125_mac_cfg4_ephy[i].val); rge_write_phy_ocp(sc, 0xbf86, 0x9000); RGE_PHY_SETBIT(sc, 0xc402, 0x0400); RGE_PHY_CLRBIT(sc, 0xc402, 0x0400); rge_write_phy_ocp(sc, 0xbd86, 0x1010); rge_write_phy_ocp(sc, 0xbd88, 0x1010); val = rge_read_phy_ocp(sc, 0xbd4e) & ~0x0c00; rge_write_phy_ocp(sc, 0xbd4e, val | 0x0800); val = rge_read_phy_ocp(sc, 0xbf46) & ~0x0f00; rge_write_phy_ocp(sc, 0xbf46, val | 0x0700); rge_phy_config_mcu(sc, RGE_MAC_CFG4_MCODE_VER); RGE_PHY_SETBIT(sc, 0xa442, 0x0800); RGE_PHY_SETBIT(sc, 0xbc08, 0x000c); rge_write_phy_ocp(sc, 0xa436, 0x8fff); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x0400); for (i = 0; i < 6; i++) { rge_write_phy_ocp(sc, 0xb87c, 0x8560 + i * 2); if (i < 3) rge_write_phy_ocp(sc, 0xb87e, 0x19cc); else rge_write_phy_ocp(sc, 0xb87e, 0x147d); } rge_write_phy_ocp(sc, 0xb87c, 0x8ffe); rge_write_phy_ocp(sc, 0xb87e, 0x0907); val = rge_read_phy_ocp(sc, 0xacda) & ~0xff00; rge_write_phy_ocp(sc, 0xacda, val | 0xff00); val = rge_read_phy_ocp(sc, 0xacde) & ~0xf000; rge_write_phy_ocp(sc, 0xacde, val | 0xf000); rge_write_phy_ocp(sc, 0xb87c, 0x80d6); rge_write_phy_ocp(sc, 0xb87e, 0x2801); rge_write_phy_ocp(sc, 0xb87c, 0x80F2); rge_write_phy_ocp(sc, 0xb87e, 0x2801); rge_write_phy_ocp(sc, 0xb87c, 0x80f4); rge_write_phy_ocp(sc, 0xb87e, 0x6077); rge_write_phy_ocp(sc, 0xb506, 0x01e7); rge_write_phy_ocp(sc, 0xac8c, 0x0ffc); rge_write_phy_ocp(sc, 0xac46, 0xb7b4); rge_write_phy_ocp(sc, 0xac50, 0x0fbc); rge_write_phy_ocp(sc, 0xac3c, 0x9240); rge_write_phy_ocp(sc, 0xac4E, 0x0db4); rge_write_phy_ocp(sc, 0xacc6, 0x0707); rge_write_phy_ocp(sc, 0xacc8, 0xa0d3); rge_write_phy_ocp(sc, 0xad08, 0x0007); for (i = 0; i < nitems(mac_cfg4_b87c_value); i += 2) { rge_write_phy_ocp(sc, 0xb87c, mac_cfg4_b87c_value[i]); rge_write_phy_ocp(sc, 0xb87e, mac_cfg4_b87c_value[i + 1]); } RGE_PHY_SETBIT(sc, 0xbf4c, 0x0002); RGE_PHY_SETBIT(sc, 0xbcca, 0x0300); rge_write_phy_ocp(sc, 0xb87c, 0x8141); rge_write_phy_ocp(sc, 0xb87e, 0x320e); rge_write_phy_ocp(sc, 0xb87c, 0x8153); rge_write_phy_ocp(sc, 0xb87e, 0x720e); RGE_PHY_CLRBIT(sc, 0xa432, 0x0040); rge_write_phy_ocp(sc, 0xb87c, 0x8529); rge_write_phy_ocp(sc, 0xb87e, 0x050e); RGE_WRITE_2(sc, RGE_EEE_TXIDLE_TIMER, ifp->if_mtu + ETHER_HDR_LEN + 32); rge_write_phy_ocp(sc, 0xa436, 0x816c); rge_write_phy_ocp(sc, 0xa438, 0xc4a0); rge_write_phy_ocp(sc, 0xa436, 0x8170); rge_write_phy_ocp(sc, 0xa438, 0xc4a0); rge_write_phy_ocp(sc, 0xa436, 0x8174); rge_write_phy_ocp(sc, 0xa438, 0x04a0); rge_write_phy_ocp(sc, 0xa436, 0x8178); rge_write_phy_ocp(sc, 0xa438, 0x04a0); rge_write_phy_ocp(sc, 0xa436, 0x817c); rge_write_phy_ocp(sc, 0xa438, 0x0719); rge_write_phy_ocp(sc, 0xa436, 0x8ff4); rge_write_phy_ocp(sc, 0xa438, 0x0400); rge_write_phy_ocp(sc, 0xa436, 0x8ff1); rge_write_phy_ocp(sc, 0xa438, 0x0404); rge_write_phy_ocp(sc, 0xbf4a, 0x001b); for (i = 0; i < 6; i++) { rge_write_phy_ocp(sc, 0xb87c, 0x8033 + i * 4); if (i == 2) rge_write_phy_ocp(sc, 0xb87e, 0xfc32); else rge_write_phy_ocp(sc, 0xb87e, 0x7c13); } rge_write_phy_ocp(sc, 0xb87c, 0x8145); rge_write_phy_ocp(sc, 0xb87e, 0x370e); rge_write_phy_ocp(sc, 0xb87c, 0x8157); rge_write_phy_ocp(sc, 0xb87e, 0x770e); rge_write_phy_ocp(sc, 0xb87c, 0x8169); rge_write_phy_ocp(sc, 0xb87e, 0x0d0a); rge_write_phy_ocp(sc, 0xb87c, 0x817b); rge_write_phy_ocp(sc, 0xb87e, 0x1d0a); rge_write_phy_ocp(sc, 0xa436, 0x8217); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x5000); rge_write_phy_ocp(sc, 0xa436, 0x821a); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x5000); rge_write_phy_ocp(sc, 0xa436, 0x80da); rge_write_phy_ocp(sc, 0xa438, 0x0403); rge_write_phy_ocp(sc, 0xa436, 0x80dc); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x1000); rge_write_phy_ocp(sc, 0xa436, 0x80b3); rge_write_phy_ocp(sc, 0xa438, 0x0384); rge_write_phy_ocp(sc, 0xa436, 0x80b7); rge_write_phy_ocp(sc, 0xa438, 0x2007); rge_write_phy_ocp(sc, 0xa436, 0x80ba); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x6c00); rge_write_phy_ocp(sc, 0xa436, 0x80b5); rge_write_phy_ocp(sc, 0xa438, 0xf009); rge_write_phy_ocp(sc, 0xa436, 0x80bd); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x9f00); rge_write_phy_ocp(sc, 0xa436, 0x80c7); rge_write_phy_ocp(sc, 0xa438, 0xf083); rge_write_phy_ocp(sc, 0xa436, 0x80dd); rge_write_phy_ocp(sc, 0xa438, 0x03f0); rge_write_phy_ocp(sc, 0xa436, 0x80df); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x1000); rge_write_phy_ocp(sc, 0xa436, 0x80cb); rge_write_phy_ocp(sc, 0xa438, 0x2007); rge_write_phy_ocp(sc, 0xa436, 0x80ce); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x6c00); rge_write_phy_ocp(sc, 0xa436, 0x80c9); rge_write_phy_ocp(sc, 0xa438, 0x8009); rge_write_phy_ocp(sc, 0xa436, 0x80d1); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0x8000); rge_write_phy_ocp(sc, 0xa436, 0x80a3); rge_write_phy_ocp(sc, 0xa438, 0x200a); rge_write_phy_ocp(sc, 0xa436, 0x80a5); rge_write_phy_ocp(sc, 0xa438, 0xf0ad); rge_write_phy_ocp(sc, 0xa436, 0x809f); rge_write_phy_ocp(sc, 0xa438, 0x6073); rge_write_phy_ocp(sc, 0xa436, 0x80a1); rge_write_phy_ocp(sc, 0xa438, 0x000b); rge_write_phy_ocp(sc, 0xa436, 0x80a9); val = rge_read_phy_ocp(sc, 0xa438) & ~0xff00; rge_write_phy_ocp(sc, 0xa438, val | 0xc000); rge_patch_phy_mcu(sc, 1); RGE_PHY_CLRBIT(sc, 0xb896, 0x0001); RGE_PHY_CLRBIT(sc, 0xb892, 0xff00); rge_write_phy_ocp(sc, 0xb88e, 0xc23e); rge_write_phy_ocp(sc, 0xb890, 0x0000); rge_write_phy_ocp(sc, 0xb88e, 0xc240); rge_write_phy_ocp(sc, 0xb890, 0x0103); rge_write_phy_ocp(sc, 0xb88e, 0xc242); rge_write_phy_ocp(sc, 0xb890, 0x0507); rge_write_phy_ocp(sc, 0xb88e, 0xc244); rge_write_phy_ocp(sc, 0xb890, 0x090b); rge_write_phy_ocp(sc, 0xb88e, 0xc246); rge_write_phy_ocp(sc, 0xb890, 0x0c0e); rge_write_phy_ocp(sc, 0xb88e, 0xc248); rge_write_phy_ocp(sc, 0xb890, 0x1012); rge_write_phy_ocp(sc, 0xb88e, 0xc24a); rge_write_phy_ocp(sc, 0xb890, 0x1416); RGE_PHY_SETBIT(sc, 0xb896, 0x0001); rge_patch_phy_mcu(sc, 0); RGE_PHY_SETBIT(sc, 0xa86a, 0x0001); RGE_PHY_SETBIT(sc, 0xa6f0, 0x0001); rge_write_phy_ocp(sc, 0xbfa0, 0xd70d); rge_write_phy_ocp(sc, 0xbfa2, 0x4100); rge_write_phy_ocp(sc, 0xbfa4, 0xe868); rge_write_phy_ocp(sc, 0xbfa6, 0xdc59); rge_write_phy_ocp(sc, 0xb54c, 0x3c18); RGE_PHY_CLRBIT(sc, 0xbfa4, 0x0020); rge_write_phy_ocp(sc, 0xa436, 0x817d); RGE_PHY_SETBIT(sc, 0xa438, 0x1000); } void rge_phy_config_mac_cfg5(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; uint16_t val; int i; for (i = 0; i < nitems(rtl8125_mac_cfg5_ephy); i++) rge_write_ephy(sc, rtl8125_mac_cfg5_ephy[i].reg, rtl8125_mac_cfg5_ephy[i].val); val = rge_read_ephy(sc, 0x0022) & ~0x0030; rge_write_ephy(sc, 0x0022, val | 0x0020); val = rge_read_ephy(sc, 0x0062) & ~0x0030; rge_write_ephy(sc, 0x0062, val | 0x0020); rge_phy_config_mcu(sc, RGE_MAC_CFG5_MCODE_VER); RGE_PHY_SETBIT(sc, 0xa442, 0x0800); val = rge_read_phy_ocp(sc, 0xac46) & ~0x00f0; rge_write_phy_ocp(sc, 0xac46, val | 0x0090); val = rge_read_phy_ocp(sc, 0xad30) & ~0x0003; rge_write_phy_ocp(sc, 0xad30, val | 0x0001); RGE_WRITE_2(sc, RGE_EEE_TXIDLE_TIMER, ifp->if_mtu + ETHER_HDR_LEN + 32); rge_write_phy_ocp(sc, 0xb87c, 0x80f5); rge_write_phy_ocp(sc, 0xb87e, 0x760e); rge_write_phy_ocp(sc, 0xb87c, 0x8107); rge_write_phy_ocp(sc, 0xb87e, 0x360e); rge_write_phy_ocp(sc, 0xb87c, 0x8551); val = rge_read_phy_ocp(sc, 0xb87e) & ~0xff00; rge_write_phy_ocp(sc, 0xb87e, val | 0x0800); val = rge_read_phy_ocp(sc, 0xbf00) & ~0xe000; rge_write_phy_ocp(sc, 0xbf00, val | 0xa000); val = rge_read_phy_ocp(sc, 0xbf46) & ~0x0f00; rge_write_phy_ocp(sc, 0xbf46, val | 0x0300); for (i = 0; i < 10; i++) { rge_write_phy_ocp(sc, 0xa436, 0x8044 + i * 6); rge_write_phy_ocp(sc, 0xa438, 0x2417); } RGE_PHY_SETBIT(sc, 0xa4ca, 0x0040); val = rge_read_phy_ocp(sc, 0xbf84) & ~0xe000; rge_write_phy_ocp(sc, 0xbf84, val | 0xa000); } void rge_phy_config_mcu(struct rge_softc *sc, uint16_t mcode_version) { if (sc->rge_mcodever != mcode_version) { int i; rge_patch_phy_mcu(sc, 1); if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) { rge_write_phy_ocp(sc, 0xa436, 0x8024); if (sc->rge_type == MAC_CFG2) rge_write_phy_ocp(sc, 0xa438, 0x8600); else rge_write_phy_ocp(sc, 0xa438, 0x8601); rge_write_phy_ocp(sc, 0xa436, 0xb82e); rge_write_phy_ocp(sc, 0xa438, 0x0001); RGE_PHY_SETBIT(sc, 0xb820, 0x0080); } if (sc->rge_type == MAC_CFG2) { for (i = 0; i < nitems(rtl8125_mac_cfg2_mcu); i++) { rge_write_phy_ocp(sc, rtl8125_mac_cfg2_mcu[i].reg, rtl8125_mac_cfg2_mcu[i].val); } } else if (sc->rge_type == MAC_CFG3) { for (i = 0; i < nitems(rtl8125_mac_cfg3_mcu); i++) { rge_write_phy_ocp(sc, rtl8125_mac_cfg3_mcu[i].reg, rtl8125_mac_cfg3_mcu[i].val); } } else if (sc->rge_type == MAC_CFG4) { for (i = 0; i < nitems(rtl8125_mac_cfg4_mcu); i++) { rge_write_phy_ocp(sc, rtl8125_mac_cfg4_mcu[i].reg, rtl8125_mac_cfg4_mcu[i].val); } } else if (sc->rge_type == MAC_CFG5) { for (i = 0; i < nitems(rtl8125_mac_cfg5_mcu); i++) { rge_write_phy_ocp(sc, rtl8125_mac_cfg5_mcu[i].reg, rtl8125_mac_cfg5_mcu[i].val); } } if (sc->rge_type == MAC_CFG2 || sc->rge_type == MAC_CFG3) { RGE_PHY_CLRBIT(sc, 0xb820, 0x0080); rge_write_phy_ocp(sc, 0xa436, 0); rge_write_phy_ocp(sc, 0xa438, 0); RGE_PHY_CLRBIT(sc, 0xb82e, 0x0001); rge_write_phy_ocp(sc, 0xa436, 0x8024); rge_write_phy_ocp(sc, 0xa438, 0); } rge_patch_phy_mcu(sc, 0); /* Write microcode version. */ rge_write_phy_ocp(sc, 0xa436, 0x801e); rge_write_phy_ocp(sc, 0xa438, mcode_version); } } void rge_set_macaddr(struct rge_softc *sc, const uint8_t *addr) { RGE_SETBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); RGE_WRITE_4(sc, RGE_MAC0, (uint32_t)addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]); RGE_WRITE_4(sc, RGE_MAC4, addr[5] << 8 | addr[4]); RGE_CLRBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); } void rge_get_macaddr(struct rge_softc *sc, uint8_t *addr) { int i; for (i = 0; i < ETHER_ADDR_LEN; i++) addr[i] = RGE_READ_1(sc, RGE_ADDR0 + i); } void rge_hw_init(struct rge_softc *sc) { int i; RGE_SETBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); RGE_CLRBIT_1(sc, RGE_CFG5, RGE_CFG5_PME_STS); RGE_CLRBIT_1(sc, RGE_CFG2, RGE_CFG2_CLKREQ_EN); RGE_CLRBIT_1(sc, RGE_EECMD, RGE_EECMD_WRITECFG); RGE_CLRBIT_1(sc, 0xf1, 0x80); /* Disable UPS. */ RGE_MAC_CLRBIT(sc, 0xd40a, 0x0010); /* Configure MAC MCU. */ rge_write_mac_ocp(sc, 0xfc38, 0); for (i = 0xfc28; i < 0xfc38; i += 2) rge_write_mac_ocp(sc, i, 0); DELAY(3000); rge_write_mac_ocp(sc, 0xfc26, 0); if (sc->rge_type == MAC_CFG3) { for (i = 0; i < nitems(rtl8125_mac_bps); i++) { rge_write_mac_ocp(sc, rtl8125_mac_bps[i].reg, rtl8125_mac_bps[i].val); } } else if (sc->rge_type == MAC_CFG5) { for (i = 0; i < nitems(rtl8125b_mac_bps); i++) { rge_write_mac_ocp(sc, rtl8125b_mac_bps[i].reg, rtl8125b_mac_bps[i].val); } } /* Disable PHY power saving. */ rge_disable_phy_ocp_pwrsave(sc); /* Set PCIe uncorrectable error status. */ rge_write_csi(sc, 0x108, rge_read_csi(sc, 0x108) | 0x00100000); } void rge_disable_phy_ocp_pwrsave(struct rge_softc *sc) { if (rge_read_phy_ocp(sc, 0xc416) != 0x0500) { rge_patch_phy_mcu(sc, 1); rge_write_phy_ocp(sc, 0xc416, 0); rge_write_phy_ocp(sc, 0xc416, 0x0500); rge_patch_phy_mcu(sc, 0); } } void rge_patch_phy_mcu(struct rge_softc *sc, int set) { int i; if (set) RGE_PHY_SETBIT(sc, 0xb820, 0x0010); else RGE_PHY_CLRBIT(sc, 0xb820, 0x0010); for (i = 0; i < 1000; i++) { if ((rge_read_phy_ocp(sc, 0xb800) & 0x0040) == 0x0040) break; DELAY(100); } if (i == 1000) { DPRINTF(("timeout waiting to patch phy mcu\n")); return; } } void rge_add_media_types(struct rge_softc *sc) { ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_10_T, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_100_TX, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_1000_T, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_2500_T, 0, NULL); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_2500_T | IFM_FDX, 0, NULL); } void rge_config_imtype(struct rge_softc *sc, int imtype) { switch (imtype) { case RGE_IMTYPE_NONE: sc->rge_intrs = RGE_INTRS; sc->rge_rx_ack = RGE_ISR_RX_OK | RGE_ISR_RX_DESC_UNAVAIL | RGE_ISR_RX_FIFO_OFLOW; sc->rge_tx_ack = RGE_ISR_TX_OK; break; case RGE_IMTYPE_SIM: sc->rge_intrs = RGE_INTRS_TIMER; sc->rge_rx_ack = RGE_ISR_PCS_TIMEOUT; sc->rge_tx_ack = RGE_ISR_PCS_TIMEOUT; break; default: panic("%s: unknown imtype %d", device_xname(sc->sc_dev), imtype); } } void rge_disable_hw_im(struct rge_softc *sc) { RGE_WRITE_2(sc, RGE_IM, 0); } void rge_disable_sim_im(struct rge_softc *sc) { RGE_WRITE_4(sc, RGE_TIMERINT0, 0); sc->rge_timerintr = 0; } void rge_setup_sim_im(struct rge_softc *sc) { RGE_WRITE_4(sc, RGE_TIMERINT0, 0x2600); RGE_WRITE_4(sc, RGE_TIMERCNT, 1); sc->rge_timerintr = 1; } void rge_setup_intr(struct rge_softc *sc, int imtype) { rge_config_imtype(sc, imtype); /* Enable interrupts. */ RGE_WRITE_4(sc, RGE_IMR, sc->rge_intrs); switch (imtype) { case RGE_IMTYPE_NONE: rge_disable_sim_im(sc); rge_disable_hw_im(sc); break; case RGE_IMTYPE_SIM: rge_disable_hw_im(sc); rge_setup_sim_im(sc); break; default: panic("%s: unknown imtype %d", device_xname(sc->sc_dev), imtype); } } void rge_exit_oob(struct rge_softc *sc) { int i; RGE_CLRBIT_4(sc, RGE_RXCFG, RGE_RXCFG_ALLPHYS | RGE_RXCFG_INDIV | RGE_RXCFG_MULTI | RGE_RXCFG_BROAD | RGE_RXCFG_RUNT | RGE_RXCFG_ERRPKT); /* Disable RealWoW. */ rge_write_mac_ocp(sc, 0xc0bc, 0x00ff); rge_reset(sc); /* Disable OOB. */ RGE_CLRBIT_1(sc, RGE_MCUCMD, RGE_MCUCMD_IS_OOB); RGE_MAC_CLRBIT(sc, 0xe8de, 0x4000); for (i = 0; i < 10; i++) { DELAY(100); if (RGE_READ_2(sc, RGE_TWICMD) & 0x0200) break; } rge_write_mac_ocp(sc, 0xc0aa, 0x07d0); rge_write_mac_ocp(sc, 0xc0a6, 0x01b5); rge_write_mac_ocp(sc, 0xc01e, 0x5555); for (i = 0; i < 10; i++) { DELAY(100); if (RGE_READ_2(sc, RGE_TWICMD) & 0x0200) break; } if (rge_read_mac_ocp(sc, 0xd42c) & 0x0100) { printf("%s: rge_exit_oob(): rtl8125_is_ups_resume!!\n", device_xname(sc->sc_dev)); for (i = 0; i < RGE_TIMEOUT; i++) { if ((rge_read_phy_ocp(sc, 0xa420) & 0x0007) == 2) break; DELAY(1000); } RGE_MAC_CLRBIT(sc, 0xd408, 0x0100); if (sc->rge_type == MAC_CFG4 || sc->rge_type == MAC_CFG5) RGE_PHY_CLRBIT(sc, 0xa466, 0x0001); RGE_PHY_CLRBIT(sc, 0xa468, 0x000a); } } void rge_write_csi(struct rge_softc *sc, uint32_t reg, uint32_t val) { int i; RGE_WRITE_4(sc, RGE_CSIDR, val); RGE_WRITE_4(sc, RGE_CSIAR, (reg & RGE_CSIAR_ADDR_MASK) | (RGE_CSIAR_BYTE_EN << RGE_CSIAR_BYTE_EN_SHIFT) | RGE_CSIAR_BUSY); for (i = 0; i < 10; i++) { DELAY(100); if (!(RGE_READ_4(sc, RGE_CSIAR) & RGE_CSIAR_BUSY)) break; } DELAY(20); } uint32_t rge_read_csi(struct rge_softc *sc, uint32_t reg) { int i; RGE_WRITE_4(sc, RGE_CSIAR, (reg & RGE_CSIAR_ADDR_MASK) | (RGE_CSIAR_BYTE_EN << RGE_CSIAR_BYTE_EN_SHIFT)); for (i = 0; i < 10; i++) { DELAY(100); if (RGE_READ_4(sc, RGE_CSIAR) & RGE_CSIAR_BUSY) break; } DELAY(20); return (RGE_READ_4(sc, RGE_CSIDR)); } void rge_write_mac_ocp(struct rge_softc *sc, uint16_t reg, uint16_t val) { uint32_t tmp; tmp = (reg >> 1) << RGE_MACOCP_ADDR_SHIFT; tmp += val; tmp |= RGE_MACOCP_BUSY; RGE_WRITE_4(sc, RGE_MACOCP, tmp); } uint16_t rge_read_mac_ocp(struct rge_softc *sc, uint16_t reg) { uint32_t val; val = (reg >> 1) << RGE_MACOCP_ADDR_SHIFT; RGE_WRITE_4(sc, RGE_MACOCP, val); return (RGE_READ_4(sc, RGE_MACOCP) & RGE_MACOCP_DATA_MASK); } void rge_write_ephy(struct rge_softc *sc, uint16_t reg, uint16_t val) { uint32_t tmp; int i; tmp = (reg & RGE_EPHYAR_ADDR_MASK) << RGE_EPHYAR_ADDR_SHIFT; tmp |= RGE_EPHYAR_BUSY | (val & RGE_EPHYAR_DATA_MASK); RGE_WRITE_4(sc, RGE_EPHYAR, tmp); for (i = 0; i < 10; i++) { DELAY(100); if (!(RGE_READ_4(sc, RGE_EPHYAR) & RGE_EPHYAR_BUSY)) break; } DELAY(20); } uint16_t rge_read_ephy(struct rge_softc *sc, uint16_t reg) { uint32_t val; int i; val = (reg & RGE_EPHYAR_ADDR_MASK) << RGE_EPHYAR_ADDR_SHIFT; RGE_WRITE_4(sc, RGE_EPHYAR, val); for (i = 0; i < 10; i++) { DELAY(100); val = RGE_READ_4(sc, RGE_EPHYAR); if (val & RGE_EPHYAR_BUSY) break; } DELAY(20); return (val & RGE_EPHYAR_DATA_MASK); } void rge_write_phy(struct rge_softc *sc, uint16_t addr, uint16_t reg, uint16_t val) { uint16_t off, phyaddr; phyaddr = addr ? addr : RGE_PHYBASE + (reg / 8); phyaddr <<= 4; off = addr ? reg : 0x10 + (reg % 8); phyaddr += (off - 16) << 1; rge_write_phy_ocp(sc, phyaddr, val); } uint16_t rge_read_phy(struct rge_softc *sc, uint16_t addr, uint16_t reg) { uint16_t off, phyaddr; phyaddr = addr ? addr : RGE_PHYBASE + (reg / 8); phyaddr <<= 4; off = addr ? reg : 0x10 + (reg % 8); phyaddr += (off - 16) << 1; return (rge_read_phy_ocp(sc, phyaddr)); } void rge_write_phy_ocp(struct rge_softc *sc, uint16_t reg, uint16_t val) { uint32_t tmp; int i; tmp = (reg >> 1) << RGE_PHYOCP_ADDR_SHIFT; tmp |= RGE_PHYOCP_BUSY | val; RGE_WRITE_4(sc, RGE_PHYOCP, tmp); for (i = 0; i < RGE_TIMEOUT; i++) { DELAY(1); if (!(RGE_READ_4(sc, RGE_PHYOCP) & RGE_PHYOCP_BUSY)) break; } } uint16_t rge_read_phy_ocp(struct rge_softc *sc, uint16_t reg) { uint32_t val; int i; val = (reg >> 1) << RGE_PHYOCP_ADDR_SHIFT; RGE_WRITE_4(sc, RGE_PHYOCP, val); for (i = 0; i < RGE_TIMEOUT; i++) { DELAY(1); val = RGE_READ_4(sc, RGE_PHYOCP); if (val & RGE_PHYOCP_BUSY) break; } return (val & RGE_PHYOCP_DATA_MASK); } int rge_get_link_status(struct rge_softc *sc) { return ((RGE_READ_2(sc, RGE_PHYSTAT) & RGE_PHYSTAT_LINK) ? 1 : 0); } void rge_txstart(void *arg) { struct rge_softc *sc = arg; RGE_WRITE_2(sc, RGE_TXSTART, RGE_TXSTART_START); } void rge_tick(void *arg) { struct rge_softc *sc = arg; int s; s = splnet(); rge_link_state(sc); splx(s); callout_schedule(&sc->sc_timeout, hz); } void rge_link_state(struct rge_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; int link = LINK_STATE_DOWN; if (rge_get_link_status(sc)) link = LINK_STATE_UP; if (ifp->if_link_state != link) { /* XXX not safe to access */ if_link_state_change(ifp, link); } }