diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index a0838c14f320a5f52503b6d8f2c9516d83094ebc..f5350430b0877e9de39aef85915a1c105fb1d55e 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -506,6 +506,12 @@ VIR_ENUM_IMPL(virDomainNet, "udp", ); +VIR_ENUM_IMPL(virDomainNetModel, + VIR_DOMAIN_NET_MODEL_LAST, + "unknown", + "netfront", +); + VIR_ENUM_IMPL(virDomainNetBackend, VIR_DOMAIN_NET_BACKEND_TYPE_LAST, "default", @@ -2326,6 +2332,7 @@ virDomainNetDefClear(virDomainNetDefPtr def) return; VIR_FREE(def->modelstr); + def->model = VIR_DOMAIN_NET_MODEL_UNKNOWN; switch (def->type) { case VIR_DOMAIN_NET_TYPE_VHOSTUSER: @@ -11607,20 +11614,9 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt, goto error; } - /* NIC model (see -net nic,model=?). We only check that it looks - * reasonable, not that it is a supported NIC type. FWIW kvm - * supports these types as of April 2008: - * i82551 i82557b i82559er ne2k_pci pcnet rtl8139 e1000 virtio - * QEMU PPC64 supports spapr-vlan - */ - if (model != NULL) { - if (strspn(model, NET_MODEL_CHARS) < strlen(model)) { - virReportError(VIR_ERR_INVALID_ARG, "%s", - _("Model name contains invalid characters")); - goto error; - } - VIR_STEAL_PTR(def->modelstr, model); - } + if (model != NULL && + virDomainNetSetModelString(def, model) < 0) + goto error; switch (def->type) { case VIR_DOMAIN_NET_TYPE_NETWORK: @@ -21831,6 +21827,14 @@ virDomainNetDefCheckABIStability(virDomainNetDefPtr src, return false; } + if (src->model != dst->model) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("Target network card model %s does not match source %s"), + virDomainNetModelTypeToString(dst->model), + virDomainNetModelTypeToString(src->model)); + return false; + } + if (src->mtu != dst->mtu) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Target network card MTU %d does not match source %d"), @@ -29480,6 +29484,8 @@ virDomainNetGetActualTrustGuestRxFilters(virDomainNetDefPtr iface) const char * virDomainNetGetModelString(const virDomainNetDef *net) { + if (net->model) + return virDomainNetModelTypeToString(net->model); return net->modelstr; } @@ -29487,13 +29493,31 @@ int virDomainNetSetModelString(virDomainNetDefPtr net, const char *model) { - return VIR_STRDUP(net->modelstr, model); + VIR_FREE(net->modelstr); + if ((net->model = virDomainNetModelTypeFromString(model)) >= 0) + return 0; + + net->model = VIR_DOMAIN_NET_MODEL_UNKNOWN; + if (!model) + return 0; + + if (strspn(model, NET_MODEL_CHARS) < strlen(model)) { + virReportError(VIR_ERR_INVALID_ARG, "%s", + _("Model name contains invalid characters")); + return -1; + } + + if (VIR_STRDUP(net->modelstr, model) < 0) + return -1; + return 0; } int virDomainNetStreqModelString(const virDomainNetDef *net, const char *model) { + if (net->model) + return net->model == virDomainNetModelTypeFromString(model); return STREQ_NULLABLE(net->modelstr, model); } @@ -29501,6 +29525,8 @@ int virDomainNetStrcaseeqModelString(const virDomainNetDef *net, const char *model) { + if (net->model) + return STRCASEEQ(virDomainNetModelTypeToString(net->model), model); return net->modelstr && STRCASEEQ(net->modelstr, model); } diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index c0dfd7434951d6e8128cf9873c2c59ae451e2065..4cb23ed31aa536cb82b138f234bdff14116ba527 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -839,6 +839,14 @@ typedef enum { VIR_DOMAIN_NET_TYPE_LAST } virDomainNetType; +/* network model types */ +typedef enum { + VIR_DOMAIN_NET_MODEL_UNKNOWN, + VIR_DOMAIN_NET_MODEL_NETFRONT, + + VIR_DOMAIN_NET_MODEL_LAST +} virDomainNetModelType; + /* the backend driver used for virtio interfaces */ typedef enum { VIR_DOMAIN_NET_BACKEND_TYPE_DEFAULT, /* prefer kernel, fall back to user */ @@ -898,6 +906,7 @@ struct _virDomainNetDef { virDomainNetType type; virMacAddr mac; bool mac_generated; /* true if mac was *just now* auto-generated by libvirt */ + int model; /* virDomainNetModelType */ char *modelstr; union { struct { @@ -3333,6 +3342,7 @@ VIR_ENUM_DECL(virDomainNet); VIR_ENUM_DECL(virDomainNetBackend); VIR_ENUM_DECL(virDomainNetVirtioTxMode); VIR_ENUM_DECL(virDomainNetInterfaceLinkState); +VIR_ENUM_DECL(virDomainNetModel); VIR_ENUM_DECL(virDomainChrDevice); VIR_ENUM_DECL(virDomainChrChannelTarget); VIR_ENUM_DECL(virDomainChrConsoleTarget); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 62dd518a8ab2952c4e1e7dc900f681ac0ea8bb75..6ccec70749913d518e548f01f26a8e8c42df2ecb 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -478,6 +478,8 @@ virDomainNetGetActualVlan; virDomainNetGetModelString; virDomainNetInsert; virDomainNetIsVirtioModel; +virDomainNetModelTypeFromString; +virDomainNetModelTypeToString; virDomainNetNotifyActualDevice; virDomainNetReleaseActualDevice; virDomainNetRemove; diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c index b3c724acb4116730da5972c67aa6f0693e3990cd..da1fc4f9f2d787ffdb4f723d2f7cc44dc21821c3 100644 --- a/src/libxl/libxl_conf.c +++ b/src/libxl/libxl_conf.c @@ -1278,7 +1278,7 @@ libxlMakeNic(virDomainDefPtr def, if (virDomainNetGetModelString(l_nic)) { if ((def->os.type == VIR_DOMAIN_OSTYPE_XEN || def->os.type == VIR_DOMAIN_OSTYPE_XENPVH) && - !virDomainNetStreqModelString(l_nic, "netfront")) { + l_nic->model != VIR_DOMAIN_NET_MODEL_NETFRONT) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("only model 'netfront' is supported for " "Xen PV(H) domains")); @@ -1286,7 +1286,7 @@ libxlMakeNic(virDomainDefPtr def, } if (VIR_STRDUP(x_nic->model, virDomainNetGetModelString(l_nic)) < 0) goto cleanup; - if (virDomainNetStreqModelString(l_nic, "netfront")) + if (l_nic->model == VIR_DOMAIN_NET_MODEL_NETFRONT) x_nic->nictype = LIBXL_NIC_TYPE_VIF; else x_nic->nictype = LIBXL_NIC_TYPE_VIF_IOEMU; diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 069c96180fb58687dfb7b0c331d0ab4efa8e0f19..a4f7d111b119d984e43c37038765768410deac39 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -3799,6 +3799,14 @@ qemuDomainChangeNet(virQEMUDriverPtr driver, goto cleanup; } + if (olddev->model != newdev->model) { + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, + _("cannot modify network device model from %s to %s"), + virDomainNetModelTypeToString(olddev->model), + virDomainNetModelTypeToString(newdev->model)); + goto cleanup; + } + if (virDomainNetIsVirtioModel(olddev) && (olddev->driver.virtio.name != newdev->driver.virtio.name || olddev->driver.virtio.txmode != newdev->driver.virtio.txmode || diff --git a/src/xenconfig/xen_common.c b/src/xenconfig/xen_common.c index 170378fab5396638cb2c7fe84559da4e877d5d04..69a6f53507613212b6646c65a1141a2cd4b03274 100644 --- a/src/xenconfig/xen_common.c +++ b/src/xenconfig/xen_common.c @@ -1068,13 +1068,13 @@ xenParseVif(char *entry, const char *vif_typename) VIR_STRDUP(net->script, script) < 0) goto cleanup; - if (model[0] && - virDomainNetSetModelString(net, model) < 0) - goto cleanup; - - if (!model[0] && type[0] && STREQ(type, vif_typename) && - virDomainNetSetModelString(net, "netfront") < 0) - goto cleanup; + if (model[0]) { + if (virDomainNetSetModelString(net, model) < 0) + goto cleanup; + } else { + if (type[0] && STREQ(type, vif_typename)) + net->model = VIR_DOMAIN_NET_MODEL_NETFRONT; + } if (vifname[0] && VIR_STRDUP(net->ifname, vifname) < 0) @@ -1427,7 +1427,7 @@ xenFormatNet(virConnectPtr conn, virBufferAsprintf(&buf, ",model=%s", virDomainNetGetModelString(net)); } else { - if (virDomainNetStreqModelString(net, "netfront")) + if (net->model == VIR_DOMAIN_NET_MODEL_NETFRONT) virBufferAsprintf(&buf, ",type=%s", vif_typename); else virBufferAsprintf(&buf, ",model=%s", diff --git a/src/xenconfig/xen_sxpr.c b/src/xenconfig/xen_sxpr.c index 224c874b90a4a88c7e4b9b3a32195bbc4af96dfe..0bff94ead56175688af54d0f1f5dafa522251cdd 100644 --- a/src/xenconfig/xen_sxpr.c +++ b/src/xenconfig/xen_sxpr.c @@ -642,12 +642,13 @@ xenParseSxprNets(virDomainDefPtr def, } } - if (virDomainNetSetModelString(net, model) < 0) - goto cleanup; - - if (!model && type && STREQ(type, "netfront") && - virDomainNetSetModelString(net, "netfront") < 0) - goto cleanup; + if (model) { + if (virDomainNetSetModelString(net, model) < 0) + goto cleanup; + } else { + if (type && STREQ(type, "netfront")) + net->model = VIR_DOMAIN_NET_MODEL_NETFRONT; + } tmp = sexpr_node(node, "device/vif/rate"); if (tmp) { @@ -1934,7 +1935,7 @@ xenFormatSxprNet(virConnectPtr conn, virBufferEscapeSexpr(buf, "(model '%s')", virDomainNetGetModelString(def)); } else { - if (virDomainNetStreqModelString(def, "netfront")) + if (def->model == VIR_DOMAIN_NET_MODEL_NETFRONT) virBufferAddLit(buf, "(type netfront)"); else virBufferEscapeSexpr(buf, "(model '%s')",