static void octm_init(void *arg) { struct ifnet *ifp; struct octm_softc *sc; cvmx_mgmt_port_netdevice_flags_t flags; uint64_t mac; sc = arg; ifp = sc->sc_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { cvmx_mgmt_port_disable(sc->sc_port); ifp->if_drv_flags &= ~IFF_DRV_RUNNING; } /* * NB: * MAC must be set before allmulti and promisc below, as * cvmx_mgmt_port_set_mac will always enable the CAM, and turning on * promiscuous mode only works with the CAM disabled. */ mac = 0; memcpy((u_int8_t *)&mac + 2, IF_LLADDR(ifp), 6); cvmx_mgmt_port_set_mac(sc->sc_port, mac); /* * This is done unconditionally, rather than only if sc_flags have * changed because of set_mac's effect on the CAM noted above. */ flags = 0; if ((ifp->if_flags & IFF_ALLMULTI) != 0) flags |= CVMX_IFF_ALLMULTI; if ((ifp->if_flags & IFF_PROMISC) != 0) flags |= CVMX_IFF_PROMISC; cvmx_mgmt_port_set_multicast_list(sc->sc_port, flags); /* XXX link state? */ if ((ifp->if_flags & IFF_UP) != 0) cvmx_mgmt_port_enable(sc->sc_port); ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; }
static void octm_init(void *arg) { struct ifnet *ifp; struct octm_softc *sc; cvmx_mgmt_port_netdevice_flags_t flags; uint64_t mac; sc = arg; ifp = sc->sc_ifp; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { cvmx_mgmt_port_disable(sc->sc_port); ifp->if_drv_flags &= ~IFF_DRV_RUNNING; } if (((ifp->if_flags ^ sc->sc_flags) & (IFF_ALLMULTI | IFF_MULTICAST | IFF_PROMISC)) != 0) { flags = 0; if ((ifp->if_flags & IFF_ALLMULTI) != 0) flags |= CVMX_IFF_ALLMULTI; if ((ifp->if_flags & IFF_PROMISC) != 0) flags |= CVMX_IFF_PROMISC; cvmx_mgmt_port_set_multicast_list(sc->sc_port, flags); } mac = 0; memcpy((u_int8_t *)&mac + 2, IF_LLADDR(ifp), 6); cvmx_mgmt_port_set_mac(sc->sc_port, mac); /* XXX link state? */ if ((ifp->if_flags & IFF_UP) != 0) cvmx_mgmt_port_enable(sc->sc_port); ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; }
static int octm_attach(device_t dev) { struct ifnet *ifp; struct octm_softc *sc; cvmx_mixx_irhwm_t mixx_irhwm; cvmx_mixx_intena_t mixx_intena; uint64_t mac; int error; int irq; int rid; sc = device_get_softc(dev); sc->sc_dev = dev; sc->sc_port = device_get_unit(dev); switch (sc->sc_port) { case 0: irq = OCTEON_IRQ_MII; break; case 1: irq = OCTEON_IRQ_MII1; break; default: device_printf(dev, "unsupported management port %u.\n", sc->sc_port); return (ENXIO); } /* * Set MAC address for this management port. */ mac = 0; memcpy((u_int8_t *)&mac + 2, cvmx_sysinfo_get()->mac_addr_base, 6); mac += sc->sc_port; cvmx_mgmt_port_set_mac(sc->sc_port, mac); /* No watermark for input ring. */ mixx_irhwm.u64 = 0; cvmx_write_csr(CVMX_MIXX_IRHWM(sc->sc_port), mixx_irhwm.u64); /* Enable input ring interrupts. */ mixx_intena.u64 = 0; mixx_intena.s.ithena = 1; cvmx_write_csr(CVMX_MIXX_INTENA(sc->sc_port), mixx_intena.u64); /* Allocate and establish interrupt. */ rid = 0; sc->sc_intr = bus_alloc_resource(sc->sc_dev, SYS_RES_IRQ, &rid, irq, irq, 1, RF_ACTIVE); if (sc->sc_intr == NULL) { device_printf(dev, "unable to allocate IRQ.\n"); return (ENXIO); } error = bus_setup_intr(sc->sc_dev, sc->sc_intr, INTR_TYPE_NET, NULL, octm_rx_intr, sc, &sc->sc_intr_cookie); if (error != 0) { device_printf(dev, "unable to setup interrupt.\n"); bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_intr); return (ENXIO); } bus_describe_intr(sc->sc_dev, sc->sc_intr, sc->sc_intr_cookie, "rx"); /* XXX Possibly should enable TX interrupts. */ ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { device_printf(dev, "cannot allocate ifnet.\n"); bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_intr); return (ENOMEM); } if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_mtu = ETHERMTU; ifp->if_init = octm_init; ifp->if_softc = sc; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | IFF_ALLMULTI; ifp->if_ioctl = octm_ioctl; sc->sc_ifp = ifp; sc->sc_flags = ifp->if_flags; ifmedia_init(&sc->sc_ifmedia, 0, octm_medchange, octm_medstat); ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO); ether_ifattach(ifp, (const u_int8_t *)&mac + 2); ifp->if_transmit = octm_transmit; ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); ifp->if_capabilities = IFCAP_VLAN_MTU; ifp->if_capenable = ifp->if_capabilities; IFQ_SET_MAXLEN(&ifp->if_snd, CVMX_MGMT_PORT_NUM_TX_BUFFERS); ifp->if_snd.ifq_drv_maxlen = CVMX_MGMT_PORT_NUM_TX_BUFFERS; IFQ_SET_READY(&ifp->if_snd); return (bus_generic_attach(dev)); }