tests: Add vmxnet3 qtest

Note that this will emit a warning:
[vmxnet3][WR][vmxnet3_peer_has_vnet_hdr]: Peer has no virtio extension.
Task offloads will be emulated.
Reviewed-by: NDmitry Fleytman <dmitry@daynix.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

tests/Makefile

@@ -83,6 +83,10 @@ check-qtest-i386-y += tests/blockdev-test$(EXESUF)
 check-qtest-i386-y += tests/qdev-monitor-test$(EXESUF)
 check-qtest-i386-y += $(check-qtest-pci-y)
 gcov-files-i386-y += $(gcov-files-pci-y)
+check-qtest-i386-y += tests/vmxnet3-test$(EXESUF)
+gcov-files-i386-y += hw/net/vmxnet3.c
+gcov-files-i386-y += hw/net/vmxnet_rx_pkt.c
+gcov-files-i386-y += hw/net/vmxnet_tx_pkt.c
 check-qtest-x86_64-y = $(check-qtest-i386-y)
 gcov-files-i386-y += i386-softmmu/hw/timer/mc146818rtc.c
 gcov-files-x86_64-y = $(subst i386-softmmu/,x86_64-softmmu/,$(gcov-files-i386-y))
@@ -203,6 +207,7 @@ tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y)
 tests/i440fx-test$(EXESUF): tests/i440fx-test.o $(libqos-pc-obj-y)
 tests/fw_cfg-test$(EXESUF): tests/fw_cfg-test.o $(libqos-pc-obj-y)
 tests/e1000-test$(EXESUF): tests/e1000-test.o
+tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o
 tests/qom-test$(EXESUF): tests/qom-test.o
 tests/blockdev-test$(EXESUF): tests/blockdev-test.o $(libqos-pc-obj-y)
 tests/qdev-monitor-test$(EXESUF): tests/qdev-monitor-test.o $(libqos-pc-obj-y)

tests/vmxnet3-test.c

+/*
+ * QTest testcase for vmxnet3 NIC
+ *
+ * Copyright (c) 2013-2014 SUSE LINUX Products GmbH
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/vmxnet3/nop", nop);
+
+    qtest_start("-device vmxnet3");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}