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[Qemu-devel] [PULL 4/4] net: smc91c111: flush packets on RCR register ch
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 4/4] net: smc91c111: flush packets on RCR register changes |
Date: |
Thu, 17 Sep 2015 12:44:01 +0100 |
From: Peter Crosthwaite <address@hidden>
The SOFT_RST or RXEN in the control register can be used as a condition
to unblock the net layer via can_receive(). So check for possible
flushes on RCR changes. This will drop all pending packets on soft
reset or disable which is the functional intent of the can_receive()
logic.
Signed-off-by: Peter Crosthwaite <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
Tested-by: Richard Purdie <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
hw/net/smc91c111.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index 8fc3deb..c19cdd1 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -331,6 +331,7 @@ static void smc91c111_writeb(void *opaque, hwaddr offset,
if (s->rcr & RCR_SOFT_RST) {
smc91c111_reset(DEVICE(s));
}
+ smc91c111_flush_queued_packets(s);
return;
case 10: case 11: /* RPCR */
/* Ignored */
--
2.4.3