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pcnet: Flush queued packets on end of STOP state 

Analogously to other NICs, we have to inform the network layer when
the can_receive handler will no longer report 0. Without this, we may
get stuck waiting on queued incoming packets.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jan Kiszka 2013-08-02 21:48:18 +02:00 committed by Stefan Hajnoczi
parent b9ac5d923b
commit ee76c1f821
1 changed files with 4 additions and 0 deletions
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4
hw/net/pcnet.c
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@ -861,6 +861,8 @@ static void pcnet_init(PCNetState *s)
s->csr[0] |= 0x0101; s->csr[0] |= 0x0101;
s->csr[0] &= ~0x0004; /* clear STOP bit */ s->csr[0] &= ~0x0004; /* clear STOP bit */
qemu_flush_queued_packets(qemu_get_queue(s->nic));
} }
static void pcnet_start(PCNetState *s) static void pcnet_start(PCNetState *s)
@ -878,6 +880,8 @@ static void pcnet_start(PCNetState *s)
s->csr[0] &= ~0x0004; /* clear STOP bit */ s->csr[0] &= ~0x0004; /* clear STOP bit */
s->csr[0] |= 0x0002; s->csr[0] |= 0x0002;
pcnet_poll_timer(s); pcnet_poll_timer(s);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
} }
static void pcnet_stop(PCNetState *s) static void pcnet_stop(PCNetState *s)