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From 0ae37bb09bc282c6bca9e425990685cef6a9b1b6 Mon Sep 17 00:00:00 2001
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Message-Id: <0ae37bb09bc282c6bca9e425990685cef6a9b1b6@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Thu, 8 Jun 2017 16:58:35 +0200
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Subject: [PATCH] qemu: Set iface MTU on hotplug
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https://bugzilla.redhat.com/show_bug.cgi?id=1408701
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While implementing MTU (572eda12ad and friends), I've forgotten
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to actually set MTU on the host NIC in case of hotplug. We
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correctly tell qemu on the monitor what the MTU should be, but we
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are not actually setting it on the host NIC.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Laine Stump <laine@laine.org>
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(cherry picked from commit f00e6f8bc9081f158b7d6a1dcfa82218b1dbfb4d)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_hotplug.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index 094a5644e0..ab23a575d8 100644
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--- a/src/qemu/qemu_hotplug.c
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+++ b/src/qemu/qemu_hotplug.c
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@@ -1134,6 +1134,10 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver,
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}
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}
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+ if (net->mtu &&
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+ virNetDevSetMTU(net->ifname, net->mtu) < 0)
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+ goto cleanup;
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+
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for (i = 0; i < tapfdSize; i++) {
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if (qemuSecuritySetTapFDLabel(driver->securityManager,
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vm->def, tapfd[i]) < 0)
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--
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2.13.1
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