Re: [libvirt] [PATCH 2/5] macvtap support for libvirt -- parse new interface XML

This part adds support to domain_conf.{c|h} for parsing the new interface XML of type 'direct'. Signed-off-by: Stefan Berger <stefanb(a)us.ibm.com&gt;

Index: libvirt-macvtap/src/conf/domain_conf.c =================================================================== --- libvirt-macvtap.orig/src/conf/domain_conf.c +++ libvirt-macvtap/src/conf/domain_conf.c @@ -41,6 +41,7 @@ #include "c-ctype.h" #include "logging.h" #include "network.h" +#include "macvtap.h" #define VIR_FROM_THIS VIR_FROM_DOMAIN @@ -140,7 +141,8 @@ VIR_ENUM_IMPL(virDomainNet, VIR_DOMAIN_N "mcast", "network", "bridge", - "internal") + "internal", + "direct") VIR_ENUM_IMPL(virDomainChrTarget, VIR_DOMAIN_CHR_TARGET_TYPE_LAST, "null", @@ -222,6 +224,12 @@ VIR_ENUM_IMPL(virDomainSeclabel, VIR_DOM "dynamic", "static") +VIR_ENUM_IMPL(virDomainNetdevMacvtap, VIR_DOMAIN_NETDEV_MACVTAP_MODE_LAST, + MACVTAP_MODE_PRIVATE_STR, + MACVTAP_MODE_VEPA_STR, + MACVTAP_MODE_BRIDGE_STR)

+ + #define virDomainReportError(conn, code, fmt...) \ virReportErrorHelper(conn, VIR_FROM_DOMAIN, code, __FILE__, \ __FUNCTION__, __LINE__, fmt) @@ -430,6 +438,11 @@ void virDomainNetDefFree(virDomainNetDef case VIR_DOMAIN_NET_TYPE_INTERNAL: VIR_FREE(def->data.internal.name); break; + + case VIR_DOMAIN_NET_TYPE_DIRECT: + VIR_FREE(def->data.direct.linkdev); + VIR_FREE(def->data.direct.mode); + break; } VIR_FREE(def->ifname); @@ -1631,6 +1644,7 @@ virDomainNetDefParseXML(virConnectPtr co char *model = NULL; char *internal = NULL; char *devaddr = NULL; + char *mode = NULL; if (VIR_ALLOC(def) < 0) { virReportOOMError(conn); @@ -1667,9 +1681,11 @@ virDomainNetDefParseXML(virConnectPtr co (xmlStrEqual(cur->name, BAD_CAST "source"))) { bridge = virXMLPropString(cur, "bridge"); } else if ((dev == NULL) && - (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET) && + (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET || + def->type == VIR_DOMAIN_NET_TYPE_DIRECT) && xmlStrEqual(cur->name, BAD_CAST "source")) { - dev = virXMLPropString(cur, "dev"); + dev = virXMLPropString(cur, "dev"); + mode = virXMLPropString(cur, "mode"); } else if ((network == NULL) && ((def->type == VIR_DOMAIN_NET_TYPE_SERVER) || (def->type == VIR_DOMAIN_NET_TYPE_CLIENT) || @@ -1823,6 +1839,27 @@ virDomainNetDefParseXML(virConnectPtr co def->data.internal.name = internal; internal = NULL; break; + + case VIR_DOMAIN_NET_TYPE_DIRECT: + if (dev == NULL) { + virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s", + _("No <source> 'dev' attribute specified with <interface type='direct'/>")); + goto error; + } + + if (mode != NULL) { + if (virDomainNetdevMacvtapTypeFromString(mode) < 0) { + virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s", + _("Unkown mode has been specified")); + goto error; + } + } + + def->data.direct.linkdev = dev; + dev = NULL; + def->data.direct.mode = mode; + mode = NULL; + break;

Index: libvirt-macvtap/src/conf/domain_conf.h =================================================================== --- libvirt-macvtap.orig/src/conf/domain_conf.h +++ libvirt-macvtap/src/conf/domain_conf.h @@ -211,6 +211,7 @@ enum virDomainNetType { VIR_DOMAIN_NET_TYPE_NETWORK, VIR_DOMAIN_NET_TYPE_BRIDGE, VIR_DOMAIN_NET_TYPE_INTERNAL, + VIR_DOMAIN_NET_TYPE_DIRECT, VIR_DOMAIN_NET_TYPE_LAST, }; @@ -244,6 +245,10 @@ struct _virDomainNetDef { struct { char *name; } internal; + struct { + char *linkdev; + char *mode; + } direct;

} data; char *ifname; virDomainDeviceInfo info; @@ -594,6 +599,15 @@ struct _virSecurityLabelDef { int type; }; +enum virDomainNetdevMacvtapType { + VIR_DOMAIN_NETDEV_MACVTAP_MODE_PRIVATE, + VIR_DOMAIN_NETDEV_MACVTAP_MODE_VEPA, + VIR_DOMAIN_NETDEV_MACVTAP_MODE_BRIDGE, + + VIR_DOMAIN_NETDEV_MACVTAP_MODE_LAST, +}; + + #define VIR_DOMAIN_CPUMASK_LEN 1024 /* Guest VM main configuration */ @@ -915,4 +929,6 @@ VIR_ENUM_DECL(virDomainGraphics) VIR_ENUM_DECL(virDomainState) VIR_ENUM_DECL(virDomainSeclabel) +VIR_ENUM_DECL(virDomainNetdevMacvtap) + #endif /* __DOMAIN_CONF_H */