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From 7825ef61b703c017c2b4ae56007046f0acd3fee6 Mon Sep 17 00:00:00 2001
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From: Amos Kong <akong@redhat.com>
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Date: Tue, 5 Nov 2013 09:17:40 +0100
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Subject: [PATCH 08/25] net/e1000: update network information when macaddr is changed in guest
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RH-Author: Amos Kong <akong@redhat.com>
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Message-id: <1383643062-1844-3-git-send-email-akong@redhat.com>
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Patchwork-id: 55369
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O-Subject: [RHEL-7.0 qemu-kvm PATCH 2/4] net/e1000: update network information when macaddr is changed in guest
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Bugzilla: 922589
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RH-Acked-by: Vlad Yasevich <vyasevic@redhat.com>
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RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
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RH-Acked-by: Xiao Wang <jasowang@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Bugzilla: 922589
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If we change macaddr in guest by 'ifconfig eth0 hw ether 12:12:12:34:35:36',
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the mac register of e1000 is already updated, but we don't update
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network information in qemu. Therefor, the information in monitor
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is wrong.
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This patch updates nic info when the second part of macaddr is written.
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Signed-off-by: Amos Kong <akong@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit 7c36507c2b8776266f50c5e2739bd18279953b93)
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---
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hw/net/e1000.c | 8 ++++++++
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1 files changed, 8 insertions(+), 0 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/net/e1000.c | 8 ++++++++
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1 files changed, 8 insertions(+), 0 deletions(-)
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diff --git a/hw/net/e1000.c b/hw/net/e1000.c
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index d273ef2..87a84a7 100644
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--- a/hw/net/e1000.c
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+++ b/hw/net/e1000.c
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@@ -971,7 +971,15 @@ mac_read_clr8(E1000State *s, int index)
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static void
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mac_writereg(E1000State *s, int index, uint32_t val)
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{
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+ uint32_t macaddr[2];
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+
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s->mac_reg[index] = val;
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+
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+ if (index == RA + 1) {
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+ macaddr[0] = cpu_to_le32(s->mac_reg[RA]);
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+ macaddr[1] = cpu_to_le32(s->mac_reg[RA + 1]);
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+ qemu_format_nic_info_str(qemu_get_queue(s->nic), (uint8_t *)macaddr);
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+ }
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}
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static void
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--
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1.7.1
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