diff mbox

[PULL,5/7] rtl8139: Do not consume the packet during overflow in standard mode.

Message ID 1441210493-19591-6-git-send-email-stefanha@redhat.com
State New
Headers show

Commit Message

Stefan Hajnoczi Sept. 2, 2015, 4:14 p.m. UTC 
From: Vladislav Yasevich <vyasevic@redhat.com>

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>
---
 hw/net/rtl8139.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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;