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[Qemu-devel] [PULL 5/7] rtl8139: Do not consume the packet during overfl
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 5/7] rtl8139: Do not consume the packet during overflow in standard mode. |
Date: |
Wed, 2 Sep 2015 17:14:51 +0100 |
From: Vladislav Yasevich <address@hidden>
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 <address@hidden>
Reviewed-by: Jason Wang <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
hw/net/rtl8139.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 960580b..fb2c55c 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -1157,7 +1157,7 @@ static ssize_t rtl8139_do_receive(NetClientState *nc,
const uint8_t *buf, size_t
s->IntrStatus |= RxOverflow;
++s->RxMissed;
rtl8139_update_irq(s);
- return size_;
+ return 0;
}
packet_header |= RxStatusOK;
--
2.4.3
- [Qemu-devel] [PULL 0/7] Net patches, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 1/7] rtl8139: remove duplicate net/eth.h definitions, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 2/7] rtl8139: use net/eth.h macros instead of custom macros, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 3/7] rtl8139: use ldl/stl wrapper for unaligned 32-bit access, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 4/7] rtl8139: Fix receive buffer overflow check, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 5/7] rtl8139: Do not consume the packet during overflow in standard mode.,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 6/7] vmxnet3: Drop net_vmxnet3_info.can_receive, Stefan Hajnoczi, 2015/09/02
- [Qemu-devel] [PULL 7/7] ne2000: Drop ne2000_can_receive, Stefan Hajnoczi, 2015/09/02
- Re: [Qemu-devel] [PULL 0/7] Net patches, Peter Maydell, 2015/09/03