From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:40896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rpfn1-0003Nb-DW for qemu-devel@nongnu.org; Tue, 24 Jan 2012 07:48:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rpfmx-0006jR-Ee for qemu-devel@nongnu.org; Tue, 24 Jan 2012 07:47:55 -0500 Message-ID: <4F1EA872.4030905@siemens.com> Date: Tue, 24 Jan 2012 13:47:46 +0100 From: Jan Kiszka MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH] e1000: Preserve link state across device reset List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel , Anthony Liguori Cc: qemu-stable@nongnu.org A device reset does not affect the link state, only set_link does. Signed-off-by: Jan Kiszka --- 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