From: Jan Kiszka <jan.kiszka@siemens.com>
To: qemu-devel <qemu-devel@nongnu.org>,
Anthony Liguori <aliguori@us.ibm.com>
Cc: qemu-stable@nongnu.org
Subject: [Qemu-devel] [PATCH] e1000: Preserve link state across device reset
Date: Tue, 24 Jan 2012 13:47:46 +0100 [thread overview]
Message-ID: <4F1EA872.4030905@siemens.com> (raw)
A device reset does not affect the link state, only set_link does.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
hw/e1000.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/hw/e1000.c b/hw/e1000.c
index 86c5416..76e736f 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1133,6 +1133,11 @@ static void e1000_reset(void *opaque)
memmove(d->mac_reg, mac_reg_init, sizeof mac_reg_init);
d->rxbuf_min_shift = 1;
memset(&d->tx, 0, sizeof d->tx);
+
+ if (d->nic->nc.link_down) {
+ d->mac_reg[STATUS] &= ~E1000_STATUS_LU;
+ d->phy_reg[PHY_STATUS] &= ~MII_SR_LINK_STATUS;
+ }
}
static NetClientInfo net_e1000_info = {
--
1.7.3.4
next reply other threads:[~2012-01-24 12:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-24 12:47 Jan Kiszka [this message]
2012-01-24 12:50 ` [Qemu-devel] [PATCH] e1000: Preserve link state across device reset Jan Kiszka
2012-01-27 6:21 ` Stefan Hajnoczi
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