* See the COPYING file in the top-level directory.
*/
-#include <glib.h>
-#include <string.h>
-#include "libqtest.h"
#include "qemu/osdep.h"
-#include "libqos/pci.h"
+#include "libqtest.h"
+#include "qemu/iov.h"
+#include "qapi/qmp/qdict.h"
+#include "hw/virtio/virtio-net.h"
+#include "libqos/qgraph.h"
+#include "libqos/virtio-net.h"
+
+#ifndef ETH_P_RARP
+#define ETH_P_RARP 0x8035
+#endif
#define PCI_SLOT_HP 0x06
+#define PCI_SLOT 0x04
+
+#define QVIRTIO_NET_TIMEOUT_US (30 * 1000 * 1000)
+#define VNET_HDR_SIZE sizeof(struct virtio_net_hdr_mrg_rxbuf)
+
+#ifndef _WIN32
-/* Tests only initialization so far. TODO: Replace with functional tests */
-static void pci_nop(void)
+static void rx_test(QVirtioDevice *dev,
+ QGuestAllocator *alloc, QVirtQueue *vq,
+ int socket)
{
+ uint64_t req_addr;
+ uint32_t free_head;
+ char test[] = "TEST";
+ char buffer[64];
+ int len = htonl(sizeof(test));
+ struct iovec iov[] = {
+ {
+ .iov_base = &len,
+ .iov_len = sizeof(len),
+ }, {
+ .iov_base = test,
+ .iov_len = sizeof(test),
+ },
+ };
+ int ret;
+
+ req_addr = guest_alloc(alloc, 64);
+
+ free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
+ qvirtqueue_kick(dev, vq, free_head);
+
+ ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
+ g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
+
+ qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+ memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
+ g_assert_cmpstr(buffer, ==, "TEST");
+
+ guest_free(alloc, req_addr);
}
-static void hotplug(void)
+static void tx_test(QVirtioDevice *dev,
+ QGuestAllocator *alloc, QVirtQueue *vq,
+ int socket)
{
- qpci_plug_device_test("virtio-net-pci", "net1", PCI_SLOT_HP, NULL);
- qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
+ uint64_t req_addr;
+ uint32_t free_head;
+ uint32_t len;
+ char buffer[64];
+ int ret;
+
+ req_addr = guest_alloc(alloc, 64);
+ memwrite(req_addr + VNET_HDR_SIZE, "TEST", 4);
+
+ free_head = qvirtqueue_add(vq, req_addr, 64, false, false);
+ qvirtqueue_kick(dev, vq, free_head);
+
+ qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+ guest_free(alloc, req_addr);
+
+ ret = qemu_recv(socket, &len, sizeof(len), 0);
+ g_assert_cmpint(ret, ==, sizeof(len));
+ len = ntohl(len);
+
+ ret = qemu_recv(socket, buffer, len, 0);
+ g_assert_cmpstr(buffer, ==, "TEST");
}
-int main(int argc, char **argv)
+static void rx_stop_cont_test(QVirtioDevice *dev,
+ QGuestAllocator *alloc, QVirtQueue *vq,
+ int socket)
{
+ uint64_t req_addr;
+ uint32_t free_head;
+ char test[] = "TEST";
+ char buffer[64];
+ int len = htonl(sizeof(test));
+ QDict *rsp;
+ struct iovec iov[] = {
+ {
+ .iov_base = &len,
+ .iov_len = sizeof(len),
+ }, {
+ .iov_base = test,
+ .iov_len = sizeof(test),
+ },
+ };
int ret;
- g_test_init(&argc, &argv, NULL);
- qtest_add_func("/virtio/net/pci/nop", pci_nop);
- qtest_add_func("/virtio/net/pci/hotplug", hotplug);
+ req_addr = guest_alloc(alloc, 64);
- qtest_start("-device virtio-net-pci");
- ret = g_test_run();
+ free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
+ qvirtqueue_kick(dev, vq, free_head);
+
+ rsp = qmp("{ 'execute' : 'stop'}");
+ qobject_unref(rsp);
+
+ ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
+ g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
+
+ /* We could check the status, but this command is more importantly to
+ * ensure the packet data gets queued in QEMU, before we do 'cont'.
+ */
+ rsp = qmp("{ 'execute' : 'query-status'}");
+ qobject_unref(rsp);
+ rsp = qmp("{ 'execute' : 'cont'}");
+ qobject_unref(rsp);
+
+ qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+ memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
+ g_assert_cmpstr(buffer, ==, "TEST");
+
+ guest_free(alloc, req_addr);
+}
+
+static void send_recv_test(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtioNet *net_if = obj;
+ QVirtioDevice *dev = net_if->vdev;
+ QVirtQueue *rx = net_if->queues[0];
+ QVirtQueue *tx = net_if->queues[1];
+ int *sv = data;
+
+ rx_test(dev, t_alloc, rx, sv[0]);
+ tx_test(dev, t_alloc, tx, sv[0]);
+}
+
+static void stop_cont_test(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtioNet *net_if = obj;
+ QVirtioDevice *dev = net_if->vdev;
+ QVirtQueue *rx = net_if->queues[0];
+ int *sv = data;
+
+ rx_stop_cont_test(dev, t_alloc, rx, sv[0]);
+}
+
+#endif
+
+static void hotplug(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ const char *arch = qtest_get_arch();
- qtest_end();
+ qtest_qmp_device_add("virtio-net-pci", "net1",
+ "{'addr': %s}", stringify(PCI_SLOT_HP));
- return ret;
+ if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+ qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
+ }
}
+
+static void announce_self(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ int *sv = data;
+ char buffer[60];
+ int len;
+ QDict *rsp;
+ int ret;
+ uint16_t *proto = (uint16_t *)&buffer[12];
+
+ rsp = qmp("{ 'execute' : 'announce-self', "
+ " 'arguments': {"
+ " 'initial': 50, 'max': 550,"
+ " 'rounds': 10, 'step': 50 } }");
+ assert(!qdict_haskey(rsp, "error"));
+ qobject_unref(rsp);
+
+ /* Catch the packet and make sure it's a RARP */
+ ret = qemu_recv(sv[0], &len, sizeof(len), 0);
+ g_assert_cmpint(ret, ==, sizeof(len));
+ len = ntohl(len);
+
+ ret = qemu_recv(sv[0], buffer, len, 0);
+ g_assert_cmpint(*proto, ==, htons(ETH_P_RARP));
+}
+
+static void virtio_net_test_cleanup(void *sockets)
+{
+ int *sv = sockets;
+
+ close(sv[0]);
+ qos_invalidate_command_line();
+ close(sv[1]);
+ g_free(sv);
+}
+
+static void *virtio_net_test_setup(GString *cmd_line, void *arg)
+{
+ int ret;
+ int *sv = g_new(int, 2);
+
+ ret = socketpair(PF_UNIX, SOCK_STREAM, 0, sv);
+ g_assert_cmpint(ret, !=, -1);
+
+ g_string_append_printf(cmd_line, " -netdev socket,fd=%d,id=hs0 ", sv[1]);
+
+ g_test_queue_destroy(virtio_net_test_cleanup, sv);
+ return sv;
+}
+
+static void large_tx(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtioNet *dev = obj;
+ QVirtQueue *vq = dev->queues[1];
+ uint64_t req_addr;
+ uint32_t free_head;
+ size_t alloc_size = (size_t)data / 64;
+ int i;
+
+ /* Bypass the limitation by pointing several descriptors to a single
+ * smaller area */
+ req_addr = guest_alloc(t_alloc, alloc_size);
+ free_head = qvirtqueue_add(vq, req_addr, alloc_size, false, true);
+
+ for (i = 0; i < 64; i++) {
+ qvirtqueue_add(vq, req_addr, alloc_size, false, i != 63);
+ }
+ qvirtqueue_kick(dev->vdev, vq, free_head);
+
+ qvirtio_wait_used_elem(dev->vdev, vq, free_head, NULL,
+ QVIRTIO_NET_TIMEOUT_US);
+ guest_free(t_alloc, req_addr);
+}
+
+static void *virtio_net_test_setup_nosocket(GString *cmd_line, void *arg)
+{
+ g_string_append(cmd_line, " -netdev hubport,hubid=0,id=hs0 ");
+ return arg;
+}
+
+static void register_virtio_net_test(void)
+{
+ QOSGraphTestOptions opts = {
+ .before = virtio_net_test_setup,
+ };
+
+ qos_add_test("hotplug", "virtio-pci", hotplug, &opts);
+#ifndef _WIN32
+ qos_add_test("basic", "virtio-net", send_recv_test, &opts);
+ qos_add_test("rx_stop_cont", "virtio-net", stop_cont_test, &opts);
+#endif
+ qos_add_test("announce-self", "virtio-net", announce_self, &opts);
+
+ /* These tests do not need a loopback backend. */
+ opts.before = virtio_net_test_setup_nosocket;
+ opts.arg = (gpointer)UINT_MAX;
+ qos_add_test("large_tx/uint_max", "virtio-net", large_tx, &opts);
+ opts.arg = (gpointer)NET_BUFSIZE;
+ qos_add_test("large_tx/net_bufsize", "virtio-net", large_tx, &opts);
+}
+
+libqos_init(register_virtio_net_test);