Re: [libvirt] [PATCHv4] Configure native vlan modes on Open vSwitch ports

Are there any comments on this iteration?

On Thu, 2013-05-23 at 18:12 +0100, james robson wrote: > This patch adds functionality to allow libvirt to configure the > 'native-tagged' and 'native-untagged' modes on openvswitch networks. > > v2 changes: > Fix problems reported by Eric Blake > > v3 changes: > Re work patch to address review comments > > v4 changes: > Use enum for native modes > > --- > > diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in > index 9284534..ba32185 100644 > --- a/docs/formatdomain.html.in > +++ b/docs/formatdomain.html.in > @@ -3498,6 +3498,13 @@ qemu-kvm -net nic,model=? /dev/null > &lt;parameters interfaceid='09b11c53-8b5c-4eeb-8f00-d84eaa0aaa4f'/&gt; > &lt;/virtualport&gt; > &lt;/interface&gt; > + &lt;interface type='bridge'&gt; > + <b>&lt;vlan trunk='yes'&gt;</b> > + <b>&lt;tag id='42'/&gt;</b> > + <b>&lt;tag id='123' nativeMode='untagged'/&gt;</b> > + <b>&lt;/vlan&gt;</b> > + ... > + &lt;/interface&gt; > &lt;devices&gt; > ...</pre> > > @@ -3524,6 +3531,15 @@ qemu-kvm -net nic,model=? /dev/null > vlan element. > </p> > > + <p> > + For network connections using openvswitch it is possible to > + configure the 'native-tagged' and 'native-untagged' vlan modes > + <span class="since">(Since 1.0.5).</span> This uses the optional > + <code>nativeMode</code> attribute on the <code>&lt;tag&gt;</code> > + element: <code>nativeMode</code> may be set to 'tagged' or > + 'untagged'. The id atribute of the element sets the native vlan. > + </p> > + > <h5><a name="elementLink">Modifying virtual link state</a></h5> > <pre> > ... > diff --git a/docs/formatnetwork.html.in b/docs/formatnetwork.html.in > index a1198ce..29e12d9 100644 > --- a/docs/formatnetwork.html.in > +++ b/docs/formatnetwork.html.in > @@ -446,6 +446,13 @@ > &lt;parameters interfaceid='09b11c53-8b5c-4eeb-8f00-d84eaa0aaa4f'/&gt; > &lt;/virtualport&gt; > &lt;/interface&gt; > + &lt;interface type='bridge'&gt; > + <b>&lt;vlan trunk='yes'&gt;</b> > + <b>&lt;tag id='42'/&gt;</b> > + <b>&lt;tag id='123' nativeMode='untagged'/&gt;</b> > + <b>&lt;/vlan&gt;</b> > + ... > + &lt;/interface&gt; > &lt;devices&gt; > ...</pre> > > @@ -469,6 +476,14 @@ > be added to the vlan element. > </p> > <p> > + For network connections using openvswitch it is possible to > + configure the 'native-tagged' and 'native-untagged' vlan modes > + <span class="since">(Since 1.0.6).</span> This uses the optional > + <code>nativeMode</code> attribute on the <code>&lt;tag&gt;</code> > + element: <code>nativeMode</code> may be set to 'tagged' or > + 'untagged'. The id atribute of the element sets the native vlan. > + </p> > + <p> > <code>&lt;vlan&gt;</code> elements can also be specified in > a <code>&lt;portgroup&gt;</code> element, as well as directly in > a domain's <code>&lt;interface&gt;</code> element. In the case > diff --git a/docs/schemas/networkcommon.rng b/docs/schemas/networkcommon.rng > index 51ff759..e60f1fc 100644 > --- a/docs/schemas/networkcommon.rng > +++ b/docs/schemas/networkcommon.rng > @@ -204,6 +204,14 @@ > <param name="maxInclusive">4095</param> > </data> > </attribute> > + <optional> > + <attribute name="nativeMode"> > + <choice> > + <value>tagged</value> > + <value>untagged</value> > + </choice> > + </attribute> > + </optional> > <empty/> > </element> > </oneOrMore> > diff --git a/src/conf/netdev_vlan_conf.c b/src/conf/netdev_vlan_conf.c > index 13ba8c6..2b4cd48 100644 > --- a/src/conf/netdev_vlan_conf.c > +++ b/src/conf/netdev_vlan_conf.c > @@ -17,6 +17,7 @@ > * > * Authors: > * Laine Stump <laine(a)redhat.com&gt; > + * James Robson <jrobson(a)websense.com&gt; > */ > > #include <config.h> > @@ -27,12 +28,15 @@ > > #define VIR_FROM_THIS VIR_FROM_NONE > > +VIR_ENUM_IMPL(virNativeVlanMode, VIR_NATIVE_VLAN_MODE_LAST, "default", "tagged", "untagged") > + > int > virNetDevVlanParse(xmlNodePtr node, xmlXPathContextPtr ctxt, virNetDevVlanPtr def) > { > int ret = -1; > xmlNodePtr save = ctxt->node; > const char *trunk = NULL; > + const char *nativeMode = NULL; > xmlNodePtr *tagNodes = NULL; > int nTags, ii; > > @@ -54,6 +58,8 @@ virNetDevVlanParse(xmlNodePtr node, xmlXPathContextPtr ctxt, virNetDevVlanPtr de > goto error; > } > > + def->nativeMode = 0; > + def->nativeTag = 0; > for (ii = 0; ii < nTags; ii++) { > unsigned long id; > > @@ -68,6 +74,19 @@ virNetDevVlanParse(xmlNodePtr node, xmlXPathContextPtr ctxt, virNetDevVlanPtr de > _("vlan tag id %lu too large (maximum 4095)"), id); > goto error; > } > + if ((nativeMode = virXPathString("string(./@nativeMode)", ctxt)) != NULL) { > + if (def->nativeMode != 0) { > + virReportError(VIR_ERR_XML_ERROR, "%s", > + _("duplicate native vlan setting")); > + goto error; > + } > + if ((def->nativeMode = virNativeVlanModeTypeFromString(nativeMode)) <= 0) { > + virReportError(VIR_ERR_XML_ERROR, > + _("Attribute \"nativeMode='%s'\" is invalid"), nativeMode); > + goto error; > + } > + def->nativeTag = id; > + } > def->tag[ii] = id; > } > > @@ -89,6 +108,12 @@ virNetDevVlanParse(xmlNodePtr node, xmlXPathContextPtr ctxt, virNetDevVlanPtr de > "is required for more than one vlan tag"), trunk); > goto error; > } > + if (def->nativeMode != 0) { > + virReportError(VIR_ERR_XML_ERROR, "%s", > + _("invalid configuration in <vlan> - \"trunk='no'\" is " > + "not allowed with a native vlan id")); > + goto error; > + } > /* allow (but discard) "trunk='no' if there is a single tag */ > if (STRCASENEQ(trunk, "no")) { > virReportError(VIR_ERR_XML_ERROR, > @@ -125,7 +150,17 @@ virNetDevVlanFormat(virNetDevVlanPtr def, virBufferPtr buf) > > virBufferAsprintf(buf, "<vlan%s>\n", def->trunk ? " trunk='yes'" : ""); > for (ii = 0; ii < def->nTags; ii++) { > - virBufferAsprintf(buf, " <tag id='%u'/>\n", def->tag[ii]); > + if (def->nativeMode != VIR_NATIVE_VLAN_MODE_DEFAULT && def->nativeTag == def->tag[ii]) { > + /* check the nativeMode in case we get <tag id='0'/>*/ > + const char *mode = virNativeVlanModeTypeToString(def->nativeMode); > + if (!mode) { > + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", > + _("Bad vlaue for nativeMode")); > + } > + virBufferAsprintf(buf, " <tag id='%u' nativeMode='%s'/>\n", def->tag[ii], mode); > + } else { > + virBufferAsprintf(buf, " <tag id='%u'/>\n", def->tag[ii]); > + } > } > virBufferAddLit(buf, "</vlan>\n"); > return 0; > diff --git a/src/util/virnetdevopenvswitch.c b/src/util/virnetdevopenvswitch.c > index 2aee445..47e6027 100644 > --- a/src/util/virnetdevopenvswitch.c > +++ b/src/util/virnetdevopenvswitch.c > @@ -109,8 +109,22 @@ int virNetDevOpenvswitchAddPort(const char *brname, const char *ifname, > virCommandAddArgList(cmd, "--timeout=5", "--", "--may-exist", "add-port", > brname, ifname, NULL); > > - if (virBufferUse(&buf) != 0) > + if (virBufferUse(&buf) != 0) { > + switch (virtVlan->nativeMode) { > + case VIR_NATIVE_VLAN_MODE_TAGGED: > + virCommandAddArg(cmd, "vlan_mode=native-tagged"); > + virCommandAddArgFormat(cmd, "tag=%d", virtVlan->nativeTag); > + break; > + case VIR_NATIVE_VLAN_MODE_UNTAGGED: > + virCommandAddArg(cmd, "vlan_mode=native-untagged"); > + virCommandAddArgFormat(cmd, "tag=%d", virtVlan->nativeTag); > + break; > + case VIR_NATIVE_VLAN_MODE_DEFAULT: > + default: > + break; > + } > virCommandAddArgList(cmd, virBufferCurrentContent(&buf), NULL); > + } > > if (ovsport->profileID[0] == '\0') { > virCommandAddArgList(cmd, > diff --git a/src/util/virnetdevvlan.c b/src/util/virnetdevvlan.c > index 2fe2017..eed32f7 100644 > --- a/src/util/virnetdevvlan.c > +++ b/src/util/virnetdevvlan.c > @@ -33,6 +33,8 @@ virNetDevVlanClear(virNetDevVlanPtr vlan) > { > VIR_FREE(vlan->tag); > vlan->nTags = 0; > + vlan->nativeMode = 0; > + vlan->nativeTag = 0; > } > > void > @@ -54,7 +56,9 @@ virNetDevVlanEqual(const virNetDevVlanPtr a, const virNetDevVlanPtr b) > return false; > > if (a->trunk != b->trunk || > - a->nTags != b->nTags) { > + a->nTags != b->nTags || > + a->nativeMode != b->nativeMode || > + a->nativeTag != b->nativeTag) { > return false; > } > > @@ -89,6 +93,8 @@ virNetDevVlanCopy(virNetDevVlanPtr dst, const virNetDevVlanPtr src) > > dst->trunk = src->trunk; > dst->nTags = src->nTags; > + dst->nativeMode = src->nativeMode; > + dst->nativeTag = src->nativeTag; > memcpy(dst->tag, src->tag, src->nTags * sizeof(*src->tag)); > return 0; > } > diff --git a/src/util/virnetdevvlan.h b/src/util/virnetdevvlan.h > index c6b16ef..a084938 100644 > --- a/src/util/virnetdevvlan.h > +++ b/src/util/virnetdevvlan.h > @@ -18,16 +18,28 @@ > * Authors: > * Laine Stump <laine(a)redhat.com&gt; > */ > - > +# include <virutil.h> > #ifndef __VIR_NETDEV_VLAN_H__ > # define __VIR_NETDEV_VLAN_H__ > > +typedef enum { > + VIR_NATIVE_VLAN_MODE_DEFAULT = 0, > + VIR_NATIVE_VLAN_MODE_TAGGED, > + VIR_NATIVE_VLAN_MODE_UNTAGGED, > + > + VIR_NATIVE_VLAN_MODE_LAST > +} virNativeVlanMode; > + > +VIR_ENUM_DECL(virNativeVlanMode) > + > typedef struct _virNetDevVlan virNetDevVlan; > typedef virNetDevVlan *virNetDevVlanPtr; > struct _virNetDevVlan { > bool trunk; /* true if this is a trunk */ > int nTags; /* number of tags in array */ > unsigned int *tag; /* pointer to array of tags */ > + int nativeMode; > + unsigned int nativeTag; > }; > > void virNetDevVlanClear(virNetDevVlanPtr vlan); > diff --git a/tests/networkxml2xmlin/openvswitch-net.xml b/tests/networkxml2xmlin/openvswitch-net.xml > index a3d82b1..2f6084d 100644 > --- a/tests/networkxml2xmlin/openvswitch-net.xml > +++ b/tests/networkxml2xmlin/openvswitch-net.xml > @@ -21,4 +21,13 @@ > <parameters profileid='alice-profile'/> > </virtualport> > </portgroup> > + <portgroup name='native'> > + <vlan trunk='yes'> > + <tag id='123' nativeMode='tagged'/> > + <tag id='444'/> > + </vlan> > + <virtualport> > + <parameters profileid='native-profile'/> > + </virtualport> > + </portgroup> > </network> > diff --git a/tests/networkxml2xmlout/openvswitch-net.xml b/tests/networkxml2xmlout/openvswitch-net.xml > index a3d82b1..2f6084d 100644 > --- a/tests/networkxml2xmlout/openvswitch-net.xml > +++ b/tests/networkxml2xmlout/openvswitch-net.xml > @@ -21,4 +21,13 @@ > <parameters profileid='alice-profile'/> > </virtualport> > </portgroup> > + <portgroup name='native'> > + <vlan trunk='yes'> > + <tag id='123' nativeMode='tagged'/> > + <tag id='444'/> > + </vlan> > + <virtualport> > + <parameters profileid='native-profile'/> > + </virtualport> > + </portgroup> > </network> Protected by Websense Hosted Email Security -- www.websense.com -- libvir-list mailing list libvir-list(a)redhat.com https://www.redhat.com/mailman/listinfo/libvir-list