279 lines
7.8 KiB
C
279 lines
7.8 KiB
C
/*
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* QTest testcase for e1000e NIC
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*
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* Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
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* Developed by Daynix Computing LTD (http://www.daynix.com)
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*
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* Authors:
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* Dmitry Fleytman <dmitry@daynix.com>
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* Leonid Bloch <leonid@daynix.com>
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* Yan Vugenfirer <yan@daynix.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "libqtest-single.h"
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#include "qemu-common.h"
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#include "libqos/pci-pc.h"
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#include "qemu/sockets.h"
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#include "qemu/iov.h"
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#include "qemu/module.h"
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#include "qemu/bitops.h"
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#include "libqos/malloc.h"
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#include "libqos/e1000e.h"
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static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
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{
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struct {
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uint64_t buffer_addr;
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union {
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uint32_t data;
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struct {
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uint16_t length;
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uint8_t cso;
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uint8_t cmd;
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} flags;
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} lower;
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union {
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uint32_t data;
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struct {
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uint8_t status;
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uint8_t css;
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uint16_t special;
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} fields;
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} upper;
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} descr;
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static const uint32_t dtyp_data = BIT(20);
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static const uint32_t dtyp_ext = BIT(29);
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static const uint32_t dcmd_rs = BIT(27);
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static const uint32_t dcmd_eop = BIT(24);
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static const uint32_t dsta_dd = BIT(0);
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static const int data_len = 64;
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char buffer[64];
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int ret;
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uint32_t recv_len;
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/* Prepare test data buffer */
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uint64_t data = guest_alloc(alloc, data_len);
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memwrite(data, "TEST", 5);
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/* Prepare TX descriptor */
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memset(&descr, 0, sizeof(descr));
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descr.buffer_addr = cpu_to_le64(data);
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descr.lower.data = cpu_to_le32(dcmd_rs |
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dcmd_eop |
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dtyp_ext |
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dtyp_data |
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data_len);
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/* Put descriptor to the ring */
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e1000e_tx_ring_push(d, &descr);
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/* Wait for TX WB interrupt */
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e1000e_wait_isr(d, E1000E_TX0_MSG_ID);
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/* Check DD bit */
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g_assert_cmphex(le32_to_cpu(descr.upper.data) & dsta_dd, ==, dsta_dd);
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/* Check data sent to the backend */
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ret = qemu_recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
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g_assert_cmpint(ret, == , sizeof(recv_len));
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qemu_recv(test_sockets[0], buffer, 64, 0);
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g_assert_cmpstr(buffer, == , "TEST");
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/* Free test data buffer */
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guest_free(alloc, data);
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}
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static void e1000e_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
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{
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union {
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struct {
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uint64_t buffer_addr;
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uint64_t reserved;
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} read;
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struct {
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struct {
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uint32_t mrq;
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union {
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uint32_t rss;
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struct {
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uint16_t ip_id;
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uint16_t csum;
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} csum_ip;
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} hi_dword;
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} lower;
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struct {
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uint32_t status_error;
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uint16_t length;
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uint16_t vlan;
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} upper;
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} wb;
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} descr;
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static const uint32_t esta_dd = BIT(0);
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char test[] = "TEST";
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int len = htonl(sizeof(test));
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struct iovec iov[] = {
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{
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.iov_base = &len,
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.iov_len = sizeof(len),
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},{
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.iov_base = test,
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.iov_len = sizeof(test),
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},
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};
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static const int data_len = 64;
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char buffer[64];
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int ret;
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/* Send a dummy packet to device's socket*/
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ret = iov_send(test_sockets[0], iov, 2, 0, sizeof(len) + sizeof(test));
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g_assert_cmpint(ret, == , sizeof(test) + sizeof(len));
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/* Prepare test data buffer */
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uint64_t data = guest_alloc(alloc, data_len);
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/* Prepare RX descriptor */
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memset(&descr, 0, sizeof(descr));
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descr.read.buffer_addr = cpu_to_le64(data);
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/* Put descriptor to the ring */
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e1000e_rx_ring_push(d, &descr);
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/* Wait for TX WB interrupt */
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e1000e_wait_isr(d, E1000E_RX0_MSG_ID);
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/* Check DD bit */
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g_assert_cmphex(le32_to_cpu(descr.wb.upper.status_error) &
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esta_dd, ==, esta_dd);
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/* Check data sent to the backend */
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memread(data, buffer, sizeof(buffer));
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g_assert_cmpstr(buffer, == , "TEST");
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/* Free test data buffer */
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guest_free(alloc, data);
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}
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static void test_e1000e_init(void *obj, void *data, QGuestAllocator * alloc)
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{
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/* init does nothing */
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}
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static void test_e1000e_tx(void *obj, void *data, QGuestAllocator * alloc)
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{
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QE1000E_PCI *e1000e = obj;
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QE1000E *d = &e1000e->e1000e;
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QOSGraphObject *e_object = obj;
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QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
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/* FIXME: add spapr support */
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if (qpci_check_buggy_msi(dev)) {
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return;
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}
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e1000e_send_verify(d, data, alloc);
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}
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static void test_e1000e_rx(void *obj, void *data, QGuestAllocator * alloc)
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{
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QE1000E_PCI *e1000e = obj;
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QE1000E *d = &e1000e->e1000e;
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QOSGraphObject *e_object = obj;
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QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
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/* FIXME: add spapr support */
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if (qpci_check_buggy_msi(dev)) {
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return;
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}
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e1000e_receive_verify(d, data, alloc);
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}
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static void test_e1000e_multiple_transfers(void *obj, void *data,
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QGuestAllocator *alloc)
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{
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static const long iterations = 4 * 1024;
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long i;
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QE1000E_PCI *e1000e = obj;
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QE1000E *d = &e1000e->e1000e;
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QOSGraphObject *e_object = obj;
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QPCIDevice *dev = e_object->get_driver(e_object, "pci-device");
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/* FIXME: add spapr support */
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if (qpci_check_buggy_msi(dev)) {
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return;
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}
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for (i = 0; i < iterations; i++) {
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e1000e_send_verify(d, data, alloc);
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e1000e_receive_verify(d, data, alloc);
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}
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}
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static void test_e1000e_hotplug(void *obj, void *data, QGuestAllocator * alloc)
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{
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QTestState *qts = global_qtest; /* TODO: get rid of global_qtest here */
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qtest_qmp_device_add(qts, "e1000e", "e1000e_net", "{'addr': '0x06'}");
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qpci_unplug_acpi_device_test(qts, "e1000e_net", 0x06);
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}
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static void data_test_clear(void *sockets)
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{
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int *test_sockets = sockets;
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close(test_sockets[0]);
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qos_invalidate_command_line();
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close(test_sockets[1]);
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g_free(test_sockets);
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}
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static void *data_test_init(GString *cmd_line, void *arg)
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{
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int *test_sockets = g_new(int, 2);
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int ret = socketpair(PF_UNIX, SOCK_STREAM, 0, test_sockets);
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g_assert_cmpint(ret, != , -1);
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g_string_append_printf(cmd_line, " -netdev socket,fd=%d,id=hs0 ",
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test_sockets[1]);
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g_test_queue_destroy(data_test_clear, test_sockets);
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return test_sockets;
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}
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static void register_e1000e_test(void)
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{
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QOSGraphTestOptions opts = {
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.before = data_test_init,
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};
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qos_add_test("init", "e1000e", test_e1000e_init, &opts);
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qos_add_test("tx", "e1000e", test_e1000e_tx, &opts);
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qos_add_test("rx", "e1000e", test_e1000e_rx, &opts);
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qos_add_test("multiple_transfers", "e1000e",
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test_e1000e_multiple_transfers, &opts);
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qos_add_test("hotplug", "e1000e", test_e1000e_hotplug, &opts);
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}
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libqos_init(register_e1000e_test);
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