From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53906) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXAgz-0003bV-Dv for qemu-devel@nongnu.org; Wed, 02 Sep 2015 12:15:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZXAgw-0000XO-6r for qemu-devel@nongnu.org; Wed, 02 Sep 2015 12:15:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41085) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXAgw-0000XC-2N for qemu-devel@nongnu.org; Wed, 02 Sep 2015 12:15:18 -0400 From: Stefan Hajnoczi Date: Wed, 2 Sep 2015 17:14:51 +0100 Message-Id: <1441210493-19591-6-git-send-email-stefanha@redhat.com> In-Reply-To: <1441210493-19591-1-git-send-email-stefanha@redhat.com> References: <1441210493-19591-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 5/7] rtl8139: Do not consume the packet during overflow in standard mode. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Vladislav Yasevich , Peter Maydell , Stefan Hajnoczi From: Vladislav Yasevich 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 Reviewed-by: Jason Wang Message-id: 1441121206-6997-3-git-send-email-vyasevic@redhat.com Signed-off-by: Stefan Hajnoczi --- 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