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e1000e: Fix spurious RX TCP ACK interrupts
author
Dmitry Fleytman
<dmitry@daynix.com>
Thu, 15 Sep 2016 06:14:29 +0000
(09:14 +0300)
committer
Jason Wang
<jasowang@redhat.com>
Tue, 27 Sep 2016 09:54:22 +0000
(17:54 +0800)
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>
hw/net/e1000e_core.c
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diff --git
a/hw/net/e1000e_core.c
b/hw/net/e1000e_core.c
index
d26b611
..
0298136
100644
(file)
--- 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;
}