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[Qemu-devel] [PATCH] e1000: Preserve link state across device reset
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH] e1000: Preserve link state across device reset |
Date: |
Tue, 24 Jan 2012 13:47:46 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
A device reset does not affect the link state, only set_link does.
Signed-off-by: Jan Kiszka <address@hidden>
---
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
- [Qemu-devel] [PATCH] e1000: Preserve link state across device reset,
Jan Kiszka <=