blob: de9738fdb74d59a07dd6c219eceaa93186288eb3 [file] [log] [blame]
/*
* QTest testcase for e1000e NIC
*
* Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
* Developed by Daynix Computing LTD (http://www.daynix.com)
*
* Authors:
* Dmitry Fleytman <dmitry@daynix.com>
* Leonid Bloch <leonid@daynix.com>
* Yan Vugenfirer <yan@daynix.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "libqtest-single.h"
#include "libqos/pci-pc.h"
#include "net/eth.h"
#include "qemu/sockets.h"
#include "qemu/iov.h"
#include "qemu/module.h"
#include "qemu/bitops.h"
#include "libqos/libqos-malloc.h"
#include "libqos/e1000e.h"
#include "hw/net/e1000_regs.h"
static const struct eth_header packet = {
.h_dest = E1000E_ADDRESS,
.h_source = E1000E_ADDRESS,
};
static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
{
struct e1000_tx_desc descr;
char buffer[64];
int ret;
uint32_t recv_len;
/* Prepare test data buffer */
uint64_t data = guest_alloc(alloc, sizeof(buffer));
memwrite(data, &packet, sizeof(packet));
/* Prepare TX descriptor */
memset(&descr, 0, sizeof(descr));
descr.buffer_addr = cpu_to_le64(data);
descr.lower.data = cpu_to_le32(E1000_TXD_CMD_RS |
E1000_TXD_CMD_EOP |
E1000_TXD_CMD_DEXT |
E1000_TXD_DTYP_D |
sizeof(buffer));
/* Put descriptor to the ring */
e1000e_tx_ring_push(d, &descr);
/* Wait for TX WB interrupt */
e1000e_wait_isr(d, E1000E_TX0_MSG_ID);
/* Check DD bit */
g_assert_cmphex(le32_to_cpu(descr.upper.data) & E1000_TXD_STAT_DD, ==,
E1000_TXD_STAT_DD);
/* Check data sent to the backend */
ret = recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
g_assert_cmpint(ret, == , sizeof(recv_len));
ret = recv(test_sockets[0], buffer, sizeof(buffer), 0);
g_assert_cmpint(ret, ==, sizeof(buffer));
g_assert_false(memcmp(buffer, &packet, sizeof(packet)));
/* Free test data buffer */
guest_free(alloc, data);
}
static void e1000e_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
{
union e1000_rx_desc_extended descr;
struct eth_header test_iov = packet;
int len = htonl(sizeof(packet));
struct iovec iov[] = {
{
.iov_base = &len,
.iov_len = sizeof(len),
},{
.iov_base = &test_iov,
.iov_len = sizeof(packet),
},
};
char buffer[64];
int ret;
/* Send a dummy packet to device's socket*/
ret = iov_send(test_sockets[0], iov, 2, 0, sizeof(len) + sizeof(packet));
g_assert_cmpint(ret, == , sizeof(packet) + sizeof(len));
/* Prepare test data buffer */
uint64_t data = guest_alloc(alloc, sizeof(buffer));
/* Prepare RX descriptor */
memset(&descr, 0, sizeof(descr));
descr.read.buffer_addr = cpu_to_le64(data);
/* Put descriptor to the ring */
e1000e_rx_ring_push(d, &descr);
/* Wait for TX WB interrupt */
e1000e_wait_isr(d, E1000E_RX0_MSG_ID);
/* Check DD bit */
g_assert_cmphex(le32_to_cpu(descr.wb.upper.status_error) &
E1000_RXD_STAT_DD, ==, E1000_RXD_STAT_DD);
/* Check data sent to the backend */
memread(data, buffer, sizeof(buffer));
g_assert_false(memcmp(buffer, &packet, sizeof(packet)));
/* Free test data buffer */
guest_free(alloc, data);
}
static void test_e1000e_init(void *obj, void *data, QGuestAllocator * alloc)
{
/* init does nothing */
}
static void test_e1000e_tx(void *obj, void *data, QGuestAllocator * alloc)
{
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
e1000e_send_verify(d, data, alloc);
}
static void test_e1000e_rx(void *obj, void *data, QGuestAllocator * alloc)
{
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
e1000e_receive_verify(d, data, alloc);
}
static void test_e1000e_multiple_transfers(void *obj, void *data,
QGuestAllocator *alloc)
{
static const long iterations = 4 * 1024;
long i;
QE1000E_PCI *e1000e = obj;
QE1000E *d = &e1000e->e1000e;
QOSGraphObject *e_object = obj;
QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
/* FIXME: add spapr support */
if (qpci_check_buggy_msi(dev)) {
return;
}
for (i = 0; i < iterations; i++) {
e1000e_send_verify(d, data, alloc);
e1000e_receive_verify(d, data, alloc);
}
}
static void test_e1000e_hotplug(void *obj, void *data, QGuestAllocator * alloc)
{
QTestState *qts = global_qtest; /* TODO: get rid of global_qtest here */
QE1000E_PCI *dev = obj;
if (dev->pci_dev.bus->not_hotpluggable) {
g_test_skip("pci bus does not support hotplug");
return;
}
qtest_qmp_device_add(qts, "e1000e", "e1000e_net", "{'addr': '0x06'}");
qpci_unplug_acpi_device_test(qts, "e1000e_net", 0x06);
}
static void data_test_clear(void *sockets)
{
int *test_sockets = sockets;
close(test_sockets[0]);
qos_invalidate_command_line();
close(test_sockets[1]);
g_free(test_sockets);
}
static void *data_test_init(GString *cmd_line, void *arg)
{
int *test_sockets = g_new(int, 2);
int ret = socketpair(PF_UNIX, SOCK_STREAM, 0, test_sockets);
g_assert_cmpint(ret, != , -1);
g_string_append_printf(cmd_line, " -netdev socket,fd=%d,id=hs0 ",
test_sockets[1]);
g_test_queue_destroy(data_test_clear, test_sockets);
return test_sockets;
}
static void register_e1000e_test(void)
{
QOSGraphTestOptions opts = {
.before = data_test_init,
};
qos_add_test("init", "e1000e", test_e1000e_init, &opts);
qos_add_test("tx", "e1000e", test_e1000e_tx, &opts);
qos_add_test("rx", "e1000e", test_e1000e_rx, &opts);
qos_add_test("multiple_transfers", "e1000e",
test_e1000e_multiple_transfers, &opts);
qos_add_test("hotplug", "e1000e", test_e1000e_hotplug, &opts);
}
libqos_init(register_e1000e_test);