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rtl8139: Do not consume the packet during overflow in standard mode. 

When operation in standard mode, we currently return the size
of packet during buffer overflow.  This consumes the overflow
packet.  Return 0 instead so we can re-process the overflow packet
when we have room.

This fixes issues with lost/dropped fragments of large messages.

Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Message-id: 1441121206-6997-3-git-send-email-vyasevic@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Vladislav Yasevich 2015-09-01 11:26:46 -04:00 committed by Stefan Hajnoczi
parent fabdcd3392
commit 26c4e7ca72
1 changed files with 1 additions and 1 deletions
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2
hw/net/rtl8139.c
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@ -1157,7 +1157,7 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
s->IntrStatus |= RxOverflow; s->IntrStatus |= RxOverflow;
++s->RxMissed; ++s->RxMissed;
rtl8139_update_irq(s); rtl8139_update_irq(s);
return size_; return 0;
} }
packet_header |= RxStatusOK; packet_header |= RxStatusOK;