예제 #1
0
int
libxlMakeNic(virDomainDefPtr def,
             virDomainNetDefPtr l_nic,
             libxl_device_nic *x_nic)
{
    bool ioemu_nic = STREQ(def->os.type, "hvm");
    virDomainNetType actual_type = virDomainNetGetActualType(l_nic);

    /* TODO: Where is mtu stored?
     *
     * x_nics[i].mtu = 1492;
     */

    if (l_nic->script && !(actual_type == VIR_DOMAIN_NET_TYPE_BRIDGE ||
                           actual_type == VIR_DOMAIN_NET_TYPE_ETHERNET)) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("specifying a script is only supported with "
                         "interface types bridge and ethernet"));
        return -1;
    }

    libxl_device_nic_init(x_nic);

    virMacAddrGetRaw(&l_nic->mac, x_nic->mac);

    if (ioemu_nic)
        x_nic->nictype = LIBXL_NIC_TYPE_VIF_IOEMU;
    else
        x_nic->nictype = LIBXL_NIC_TYPE_VIF;

    if (l_nic->model) {
        if (VIR_STRDUP(x_nic->model, l_nic->model) < 0)
            return -1;
        if (STREQ(l_nic->model, "netfront"))
            x_nic->nictype = LIBXL_NIC_TYPE_VIF;
    }

    if (VIR_STRDUP(x_nic->ifname, l_nic->ifname) < 0)
        return -1;

    switch (actual_type) {
        case VIR_DOMAIN_NET_TYPE_BRIDGE:
            if (VIR_STRDUP(x_nic->bridge,
                           virDomainNetGetActualBridgeName(l_nic)) < 0)
                return -1;
            /* fallthrough */
        case VIR_DOMAIN_NET_TYPE_ETHERNET:
            if (VIR_STRDUP(x_nic->script, l_nic->script) < 0)
                return -1;
            break;
        case VIR_DOMAIN_NET_TYPE_NETWORK:
        {
            bool fail = false;
            char *brname = NULL;
            virNetworkPtr network;
            virConnectPtr conn;
            virErrorPtr errobj;

            if (!(conn = virConnectOpen("xen:///system")))
                return -1;

            if (!(network =
                  virNetworkLookupByName(conn, l_nic->data.network.name))) {
                virObjectUnref(conn);
                return -1;
            }

            if ((brname = virNetworkGetBridgeName(network))) {
                if (VIR_STRDUP(x_nic->bridge, brname) < 0)
                    fail = true;
            } else {
                fail = true;
            }

            VIR_FREE(brname);

            /* Preserve any previous failure */
            errobj = virSaveLastError();
            virNetworkFree(network);
            virSetError(errobj);
            virFreeError(errobj);
            virObjectUnref(conn);
            if (fail)
                return -1;
            break;
        }
        case VIR_DOMAIN_NET_TYPE_USER:
        case VIR_DOMAIN_NET_TYPE_SERVER:
        case VIR_DOMAIN_NET_TYPE_CLIENT:
        case VIR_DOMAIN_NET_TYPE_MCAST:
        case VIR_DOMAIN_NET_TYPE_INTERNAL:
        case VIR_DOMAIN_NET_TYPE_DIRECT:
        case VIR_DOMAIN_NET_TYPE_HOSTDEV:
        case VIR_DOMAIN_NET_TYPE_LAST:
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                    _("unsupported interface type %s"),
                    virDomainNetTypeToString(l_nic->type));
            return -1;
    }

    return 0;
}
예제 #2
0
/**
 * virLXCProcessSetupInterfaces:
 * @conn: pointer to connection
 * @def: pointer to virtual machine structure
 * @nveths: number of interfaces
 * @veths: interface names
 *
 * Sets up the container interfaces by creating the veth device pairs and
 * attaching the parent end to the appropriate bridge.  The container end
 * will moved into the container namespace later after clone has been called.
 *
 * Returns 0 on success or -1 in case of error
 */
static int virLXCProcessSetupInterfaces(virConnectPtr conn,
                                        virDomainDefPtr def,
                                        size_t *nveths,
                                        char ***veths)
{
    int ret = -1;
    size_t i;

    for (i = 0; i < def->nnets; i++) {
        char *veth = NULL;
        /* If appropriate, grab a physical device from the configured
         * network's pool of devices, or resolve bridge device name
         * to the one defined in the network definition.
         */
        if (networkAllocateActualDevice(def, def->nets[i]) < 0)
            goto cleanup;

        if (VIR_EXPAND_N(*veths, *nveths, 1) < 0)
            goto cleanup;

        switch (virDomainNetGetActualType(def->nets[i])) {
        case VIR_DOMAIN_NET_TYPE_NETWORK: {
            virNetworkPtr network;
            char *brname = NULL;
            bool fail = false;
            int active;
            virErrorPtr errobj;

            if (!(network = virNetworkLookupByName(conn,
                                                   def->nets[i]->data.network.name)))
                goto cleanup;

            active = virNetworkIsActive(network);
            if (active != 1) {
                fail = true;
                if (active == 0)
                    virReportError(VIR_ERR_INTERNAL_ERROR,
                                   _("Network '%s' is not active."),
                                   def->nets[i]->data.network.name);
            }

            if (!fail) {
                brname = virNetworkGetBridgeName(network);
                if (brname == NULL)
                    fail = true;
            }

            /* Make sure any above failure is preserved */
            errobj = virSaveLastError();
            virNetworkFree(network);
            virSetError(errobj);
            virFreeError(errobj);

            if (fail)
                goto cleanup;

            if (!(veth = virLXCProcessSetupInterfaceBridged(conn,
                                                            def,
                                                            def->nets[i],
                                                            brname))) {
                VIR_FREE(brname);
                goto cleanup;
            }
            VIR_FREE(brname);
            break;
        }
        case VIR_DOMAIN_NET_TYPE_BRIDGE: {
            const char *brname = virDomainNetGetActualBridgeName(def->nets[i]);
            if (!brname) {
                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                               _("No bridge name specified"));
                goto cleanup;
            }
            if (!(veth = virLXCProcessSetupInterfaceBridged(conn,
                                                            def,
                                                            def->nets[i],
                                                            brname)))
                goto cleanup;
        }   break;

        case VIR_DOMAIN_NET_TYPE_DIRECT:
            if (!(veth = virLXCProcessSetupInterfaceDirect(conn,
                                                           def,
                                                           def->nets[i])))
                goto cleanup;
            break;

        case VIR_DOMAIN_NET_TYPE_USER:
        case VIR_DOMAIN_NET_TYPE_ETHERNET:
        case VIR_DOMAIN_NET_TYPE_SERVER:
        case VIR_DOMAIN_NET_TYPE_CLIENT:
        case VIR_DOMAIN_NET_TYPE_MCAST:
        case VIR_DOMAIN_NET_TYPE_INTERNAL:
        case VIR_DOMAIN_NET_TYPE_LAST:
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Unsupported network type %s"),
                           virDomainNetTypeToString(
                               virDomainNetGetActualType(def->nets[i])
                               ));
            goto cleanup;
        }

        (*veths)[(*nveths)-1] = veth;
    }

    ret = 0;

 cleanup:
    if (ret < 0) {
        for (i = 0; i < def->nnets; i++) {
            virDomainNetDefPtr iface = def->nets[i];
            virNetDevVPortProfilePtr vport = virDomainNetGetActualVirtPortProfile(iface);
            if (vport && vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH)
                ignore_value(virNetDevOpenvswitchRemovePort(
                                virDomainNetGetActualBridgeName(iface),
                                iface->ifname));
            networkReleaseActualDevice(def, iface);
        }
    }
    return ret;
}
예제 #3
0
static int
bhyveBuildNetArgStr(const virDomainDef *def,
                    virDomainNetDefPtr net,
                    virCommandPtr cmd,
                    bool dryRun)
{
    char macaddr[VIR_MAC_STRING_BUFLEN];
    char *realifname = NULL;
    char *brname = NULL;
    int actualType = virDomainNetGetActualType(net);

    if (actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) {
        if (VIR_STRDUP(brname, virDomainNetGetActualBridgeName(net)) < 0)
            return -1;
    } else {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                       _("Network type %d is not supported"),
                       virDomainNetGetActualType(net));
        return -1;
    }

    if (!net->ifname ||
        STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) ||
        strchr(net->ifname, '%')) {
        VIR_FREE(net->ifname);
        if (VIR_STRDUP(net->ifname, VIR_NET_GENERATED_PREFIX "%d") < 0) {
            VIR_FREE(brname);
            return -1;
        }
    }

    if (!dryRun) {
        if (virNetDevTapCreateInBridgePort(brname, &net->ifname, &net->mac,
                                           def->uuid, NULL, NULL, 0,
                                           virDomainNetGetActualVirtPortProfile(net),
                                           virDomainNetGetActualVlan(net),
                                           VIR_NETDEV_TAP_CREATE_IFUP | VIR_NETDEV_TAP_CREATE_PERSIST) < 0) {
            VIR_FREE(net->ifname);
            VIR_FREE(brname);
            return -1;
        }

        realifname = virNetDevTapGetRealDeviceName(net->ifname);

        if (realifname == NULL) {
            VIR_FREE(net->ifname);
            VIR_FREE(brname);
            return -1;
        }

        VIR_DEBUG("%s -> %s", net->ifname, realifname);
        /* hack on top of other hack: we need to set
         * interface to 'UP' again after re-opening to find its
         * name
         */
        if (virNetDevSetOnline(net->ifname, true) != 0) {
            VIR_FREE(realifname);
            VIR_FREE(net->ifname);
            VIR_FREE(brname);
            return -1;
        }
    } else {
        if (VIR_STRDUP(realifname, "tap0") < 0)
            return -1;
    }


    virCommandAddArg(cmd, "-s");
    virCommandAddArgFormat(cmd, "%d:0,virtio-net,%s,mac=%s",
                           net->info.addr.pci.slot,
                           realifname, virMacAddrFormat(&net->mac, macaddr));
    VIR_FREE(realifname);

    return 0;
}
예제 #4
0
static int
bhyveBuildNetArgStr(const virDomainDef *def, virCommandPtr cmd)
{
    virDomainNetDefPtr net = NULL;
    char *brname = NULL;
    char *realifname = NULL;
    int *tapfd = NULL;

    if (def->nnets != 1) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("domain should have one and only one net defined"));
        return -1;
    }

    net = def->nets[0];

    if (net) {
        int actualType = virDomainNetGetActualType(net);

        if (actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) {
            if (VIR_STRDUP(brname, virDomainNetGetActualBridgeName(net)) < 0)
                return -1;
        } else {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Network type %d is not supported"),
                           virDomainNetGetActualType(net));
            return -1;
        }

        if (!net->ifname ||
            STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) ||
            strchr(net->ifname, '%')) {
            VIR_FREE(net->ifname);
            if (VIR_STRDUP(net->ifname, VIR_NET_GENERATED_PREFIX "%d") < 0) {
                VIR_FREE(brname);
                return -1;
            }
        }

        if (virNetDevTapCreateInBridgePort(brname, &net->ifname, &net->mac,
                                           def->uuid, tapfd, 1,
                                           virDomainNetGetActualVirtPortProfile(net),
                                           virDomainNetGetActualVlan(net),
                                           VIR_NETDEV_TAP_CREATE_IFUP | VIR_NETDEV_TAP_CREATE_PERSIST) < 0) {
            VIR_FREE(net->ifname);
            VIR_FREE(brname);
            return -1;
        }
    }

    realifname = virBhyveTapGetRealDeviceName(net->ifname);

    if (realifname == NULL) {
        VIR_FREE(net->ifname);
        VIR_FREE(brname);
        return -1;
    }

    VIR_DEBUG("%s -> %s", net->ifname, realifname);
    /* hack on top of other hack: we need to set
     * interface to 'UP' again after re-opening to find its
     * name
     */
    if (virNetDevSetOnline(net->ifname, true) != 0) {
        VIR_FREE(net->ifname);
        VIR_FREE(brname);
        return -1;
    }

    virCommandAddArgList(cmd, "-s", "0:0,hostbridge", NULL);
    virCommandAddArg(cmd, "-s");
    virCommandAddArgFormat(cmd, "1:0,virtio-net,%s", realifname);

    return 0;
}
예제 #5
0
/**
 * virLXCProcessSetupInterfaces:
 * @conn: pointer to connection
 * @def: pointer to virtual machine structure
 * @nveths: number of interfaces
 * @veths: interface names
 *
 * Sets up the container interfaces by creating the veth device pairs and
 * attaching the parent end to the appropriate bridge.  The container end
 * will moved into the container namespace later after clone has been called.
 *
 * Returns 0 on success or -1 in case of error
 */
static int virLXCProcessSetupInterfaces(virConnectPtr conn,
                                        virDomainDefPtr def,
                                        size_t *nveths,
                                        char ***veths)
{
    int ret = -1;
    size_t i;
    size_t niface = 0;
    virDomainNetDefPtr net;
    virDomainNetType type;

    for (i = 0; i < def->nnets; i++) {
        char *veth = NULL;
        virNetDevBandwidthPtr actualBandwidth;
        /* If appropriate, grab a physical device from the configured
         * network's pool of devices, or resolve bridge device name
         * to the one defined in the network definition.
         */
        net = def->nets[i];
        if (networkAllocateActualDevice(def, net) < 0)
            goto cleanup;

        if (VIR_EXPAND_N(*veths, *nveths, 1) < 0)
            goto cleanup;

        type = virDomainNetGetActualType(net);
        switch (type) {
        case VIR_DOMAIN_NET_TYPE_NETWORK:
        case VIR_DOMAIN_NET_TYPE_BRIDGE: {
            const char *brname = virDomainNetGetActualBridgeName(net);
            if (!brname) {
                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                               _("No bridge name specified"));
                goto cleanup;
            }
            if (!(veth = virLXCProcessSetupInterfaceBridged(def,
                                                            net,
                                                            brname)))
                goto cleanup;
        }   break;

        case VIR_DOMAIN_NET_TYPE_DIRECT:
            if (!(veth = virLXCProcessSetupInterfaceDirect(conn,
                                                           def,
                                                           net)))
                goto cleanup;
            break;

        case VIR_DOMAIN_NET_TYPE_ETHERNET:
            break;

        case VIR_DOMAIN_NET_TYPE_USER:
        case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
        case VIR_DOMAIN_NET_TYPE_SERVER:
        case VIR_DOMAIN_NET_TYPE_CLIENT:
        case VIR_DOMAIN_NET_TYPE_MCAST:
        case VIR_DOMAIN_NET_TYPE_INTERNAL:
        case VIR_DOMAIN_NET_TYPE_LAST:
        case VIR_DOMAIN_NET_TYPE_HOSTDEV:
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Unsupported network type %s"),
                           virDomainNetTypeToString(type));
            goto cleanup;

        }

        /* Set bandwidth or warn if requested and not supported. */
        actualBandwidth = virDomainNetGetActualBandwidth(net);
        if (actualBandwidth) {
            if (virNetDevSupportBandwidth(type)) {
                if (virNetDevBandwidthSet(net->ifname, actualBandwidth, false) < 0)
                    goto cleanup;
            } else {
                VIR_WARN("setting bandwidth on interfaces of "
                         "type '%s' is not implemented yet",
                         virDomainNetTypeToString(type));
            }
        }

        (*veths)[(*nveths)-1] = veth;

        if (VIR_STRDUP(def->nets[i]->ifname_guest_actual, veth) < 0)
            goto cleanup;

        /* Make sure all net definitions will have a name in the container */
        if (!net->ifname_guest) {
            if (virAsprintf(&net->ifname_guest, "eth%zu", niface) < 0)
                return -1;
            niface++;
        }
    }

    ret = 0;

 cleanup:
    if (ret < 0) {
        for (i = 0; i < def->nnets; i++) {
            virDomainNetDefPtr iface = def->nets[i];
            virNetDevVPortProfilePtr vport = virDomainNetGetActualVirtPortProfile(iface);
            if (vport && vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH)
                ignore_value(virNetDevOpenvswitchRemovePort(
                                virDomainNetGetActualBridgeName(iface),
                                iface->ifname));
            networkReleaseActualDevice(def, iface);
        }
    }
    return ret;
}
예제 #6
0
int
qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps)
{
    size_t i;

    for (i = 0; i < def->ndisks; i++) {
        if (qemuAssignDeviceDiskAlias(def, def->disks[i], qemuCaps) < 0)
            return -1;
    }
    for (i = 0; i < def->nnets; i++) {
        /* type='hostdev' interfaces are also on the hostdevs list,
         * and will have their alias assigned with other hostdevs.
         */
        if (virDomainNetGetActualType(def->nets[i])
            != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
            qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) {
            return -1;
        }
    }

    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
        return 0;

    for (i = 0; i < def->nfss; i++) {
        if (virAsprintf(&def->fss[i]->info.alias, "fs%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->nsounds; i++) {
        if (virAsprintf(&def->sounds[i]->info.alias, "sound%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->nhostdevs; i++) {
        if (qemuAssignDeviceHostdevAlias(def, def->hostdevs[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nredirdevs; i++) {
        if (qemuAssignDeviceRedirdevAlias(def, def->redirdevs[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nvideos; i++) {
        if (virAsprintf(&def->videos[i]->info.alias, "video%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->ncontrollers; i++) {
        if (qemuAssignDeviceControllerAlias(def, qemuCaps, def->controllers[i]) < 0)
            return -1;
    }
    for (i = 0; i < def->ninputs; i++) {
        if (virAsprintf(&def->inputs[i]->info.alias, "input%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->nparallels; i++) {
        if (qemuAssignDeviceChrAlias(def, def->parallels[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nserials; i++) {
        if (qemuAssignDeviceChrAlias(def, def->serials[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nchannels; i++) {
        if (qemuAssignDeviceChrAlias(def, def->channels[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nconsoles; i++) {
        if (qemuAssignDeviceChrAlias(def, def->consoles[i], i) < 0)
            return -1;
    }
    for (i = 0; i < def->nhubs; i++) {
        if (virAsprintf(&def->hubs[i]->info.alias, "hub%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->nshmems; i++) {
        if (virAsprintf(&def->shmems[i]->info.alias, "shmem%zu", i) < 0)
            return -1;
    }
    for (i = 0; i < def->nsmartcards; i++) {
        if (virAsprintf(&def->smartcards[i]->info.alias, "smartcard%zu", i) < 0)
            return -1;
    }
    if (def->watchdog) {
        if (virAsprintf(&def->watchdog->info.alias, "watchdog%d", 0) < 0)
            return -1;
    }
    if (def->memballoon) {
        if (virAsprintf(&def->memballoon->info.alias, "balloon%d", 0) < 0)
            return -1;
    }
    for (i = 0; i < def->nrngs; i++) {
        if (qemuAssignDeviceRNGAlias(def->rngs[i], i) < 0)
            return -1;
    }
    if (def->tpm) {
        if (virAsprintf(&def->tpm->info.alias, "tpm%d", 0) < 0)
            return -1;
    }
    for (i = 0; i < def->nmems; i++) {
        if (virAsprintf(&def->mems[i]->info.alias, "dimm%zu", i) < 0)
            return -1;
    }

    return 0;
}