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net/e1000: update network information when macaddr is changed in guest

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If we change macaddr in guest by 'ifconfig eth0 hw ether 12:12:12:34:35:36',
the mac register of e1000 is already updated, but we don't update
network information in qemu. Therefor, the information in monitor
is wrong.

This patch updates nic info when the second part of macaddr is written.

Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Amos Kong 2013-10-17 15:02:49 +08:00 committed by Stefan Hajnoczi
parent 655d3b63b0
commit 7c36507c2b
1 changed files with 8 additions and 0 deletions
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8
hw/net/e1000.c
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@ -1106,7 +1106,15 @@ mac_read_clr8(E1000State *s, int index)
static void
mac_writereg(E1000State *s, int index, uint32_t val)
{
uint32_t macaddr[2];
s->mac_reg[index] = val;
if (index == RA + 1) {
macaddr[0] = cpu_to_le32(s->mac_reg[RA]);
macaddr[1] = cpu_to_le32(s->mac_reg[RA + 1]);
qemu_format_nic_info_str(qemu_get_queue(s->nic), (uint8_t *)macaddr);
}
}
static void