imx_fec: Use correct length for packet size

Use 'frame_size' instead of 'len' when calling qemu_send_packet(),
failing to do so results in malformed packets send in case when that
packed is fragmented into multiple DMA transactions.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index 77d27f763e257668941ba8202764ddf27f0e5af4..6cb9e2e20e1c40269a8c8d6fce0868b6e4fe13ab 100644 (file)
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -556,7 +556,7 @@ static void imx_enet_do_tx(IMXFECState *s, uint32_t index)
             }
             /* Last buffer in frame.  */
 
-            qemu_send_packet(qemu_get_queue(s->nic), s->frame, len);
+            qemu_send_packet(qemu_get_queue(s->nic), s->frame, frame_size);
             ptr = s->frame;
 
             frame_size = 0;