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authorDmitry Fleytman <dmitry@daynix.com>2016-09-15 09:14:29 +0300
committerJason Wang <jasowang@redhat.com>2016-09-27 17:54:22 +0800
commit4100c026b69001f774bfff30b5773a2418306f8c (patch)
tree9cf60484c0dc99dc204866cab20e383e6110b576 /hw
parent8b54c6e1872825c76200bfb419dadeb6a84b3845 (diff)
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e1000e: Fix spurious RX TCP ACK interrupts
Do not raise ACK interrupts when RFCTL.ACKDIS bit is set (see spec. 10.2.5.16). Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/net/e1000e_core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
index d26b611ab9..02981364a3 100644
--- a/hw/net/e1000e_core.c
+++ b/hw/net/e1000e_core.c
@@ -1710,7 +1710,8 @@ e1000e_receive_iov(E1000ECore *core, const struct iovec *iov, int iovcnt)
}
/* Perform ACK receive detection */
- if (e1000e_is_tcp_ack(core, core->rx_pkt)) {
+ if (!(core->mac[RFCTL] & E1000_RFCTL_ACK_DIS) &&
+ (e1000e_is_tcp_ack(core, core->rx_pkt))) {
n |= E1000_ICS_ACK;
}