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Re: [libvirt] [PATCH 2/2] Wire up the interface backend options



On Thu, Sep 11, 2014 at 05:27:12PM +0200, Ján Tomko wrote:
Pass the user-specified tun path down when creating tap device
when called from the qemu driver.

Also honor the vhost device path specified by user.
---
src/bhyve/bhyve_command.c   |  2 +-
src/bhyve/bhyve_process.c   |  2 +-
src/network/bridge_driver.c |  6 +++---
src/qemu/qemu_command.c     | 22 +++++++++++++++-------
src/qemu/qemu_process.c     |  2 +-
src/uml/uml_conf.c          |  2 +-
src/uml/uml_driver.c        |  3 ++-
src/util/virnetdevtap.c     | 37 +++++++++++++++++++++++++++----------
src/util/virnetdevtap.h     |  5 ++++-
9 files changed, 55 insertions(+), 26 deletions(-)

[...]
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ac40ea8..9ab9521 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -4766,7 +4766,7 @@ void qemuProcessStop(virQEMUDriverPtr driver,
        case VIR_DOMAIN_NET_TYPE_NETWORK:
#ifdef VIR_NETDEV_TAP_REQUIRE_MANUAL_CLEANUP
            if (!(vport && vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH))
-                ignore_value(virNetDevTapDelete(net->ifname));
+                ignore_value(virNetDevTapDelete(net->ifname, net->backend.tun));

s/tun/tap/

#endif
            break;
        }
diff --git a/src/uml/uml_conf.c b/src/uml/uml_conf.c
index 41ce03c..407a79b 100644
--- a/src/uml/uml_conf.c
+++ b/src/uml/uml_conf.c
@@ -124,7 +124,7 @@ umlConnectTapDevice(virConnectPtr conn,
    }

    if (virNetDevTapCreateInBridgePort(bridge, &net->ifname, &net->mac,
-                                       vm->uuid, &tapfd, 1,
+                                       vm->uuid, net->backend.tun, &tapfd, 1,

Same here.

                                       virDomainNetGetActualVirtPortProfile(net),
                                       virDomainNetGetActualVlan(net),
                                       VIR_NETDEV_TAP_CREATE_IFUP |
diff --git a/src/uml/uml_driver.c b/src/uml/uml_driver.c
index 5bede07..9404005 100644
--- a/src/uml/uml_driver.c
+++ b/src/uml/uml_driver.c
@@ -1032,7 +1032,8 @@ static void umlCleanupTapDevices(virDomainObjPtr vm)
            def->type != VIR_DOMAIN_NET_TYPE_NETWORK)
            continue;

-        ignore_value(virNetDevTapDelete(def->ifname));
+        ignore_value(virNetDevTapDelete(def->ifname,
+                                        def->backend.tun));

And here.  Although I'd name it tun in the first place :)

ACK series with these fixed.

Martin

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