| 1 | /* |
| 2 | * QTest testcase for igb NIC |
| 3 | * |
| 4 | * Copyright (c) 2022-2023 Red Hat, Inc. |
| 5 | * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com) |
| 6 | * Developed by Daynix Computing LTD (http://www.daynix.com) |
| 7 | * |
| 8 | * Authors: |
| 9 | * Akihiko Odaki <akihiko.odaki@daynix.com> |
| 10 | * Dmitry Fleytman <dmitry@daynix.com> |
| 11 | * Leonid Bloch <leonid@daynix.com> |
| 12 | * Yan Vugenfirer <yan@daynix.com> |
| 13 | * |
| 14 | * This library is free software; you can redistribute it and/or |
| 15 | * modify it under the terms of the GNU Lesser General Public |
| 16 | * License as published by the Free Software Foundation; either |
| 17 | * version 2.1 of the License, or (at your option) any later version. |
| 18 | * |
| 19 | * This library is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | * Lesser General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU Lesser General Public |
| 25 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 26 | */ |
| 27 | |
| 28 | |
| 29 | #include "qemu/osdep.h" |
| 30 | #include "libqtest-single.h" |
| 31 | #include "libqos/pci-pc.h" |
| 32 | #include "net/eth.h" |
| 33 | #include "qemu/sockets.h" |
| 34 | #include "qemu/iov.h" |
| 35 | #include "qemu/module.h" |
| 36 | #include "qemu/bitops.h" |
| 37 | #include "libqos/libqos-malloc.h" |
| 38 | #include "libqos/e1000e.h" |
| 39 | #include "hw/net/igb_regs.h" |
| 40 | |
| 41 | #ifndef _WIN32 |
| 42 | |
| 43 | static const struct eth_header packet = { |
| 44 | .h_dest = E1000E_ADDRESS, |
| 45 | .h_source = E1000E_ADDRESS, |
| 46 | }; |
| 47 | |
| 48 | static void igb_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc) |
| 49 | { |
| 50 | union e1000_adv_tx_desc descr; |
| 51 | char buffer[64]; |
| 52 | int ret; |
| 53 | uint32_t recv_len; |
| 54 | |
| 55 | /* Prepare test data buffer */ |
| 56 | uint64_t data = guest_alloc(alloc, sizeof(buffer)); |
| 57 | memwrite(data, &packet, sizeof(packet)); |
| 58 | |
| 59 | /* Prepare TX descriptor */ |
| 60 | memset(&descr, 0, sizeof(descr)); |
| 61 | descr.read.buffer_addr = cpu_to_le64(data); |
| 62 | descr.read.cmd_type_len = cpu_to_le32(E1000_TXD_CMD_RS | |
| 63 | E1000_TXD_CMD_EOP | |
| 64 | E1000_TXD_DTYP_D | |
| 65 | sizeof(buffer)); |
| 66 | |
| 67 | /* Put descriptor to the ring */ |
| 68 | e1000e_tx_ring_push(d, &descr); |
| 69 | |
| 70 | /* Wait for TX WB interrupt */ |
| 71 | e1000e_wait_isr(d, E1000E_TX0_MSG_ID); |
| 72 | |
| 73 | /* Check DD bit */ |
| 74 | g_assert_cmphex(le32_to_cpu(descr.wb.status) & E1000_TXD_STAT_DD, ==, |
| 75 | E1000_TXD_STAT_DD); |
| 76 | |
| 77 | /* Check data sent to the backend */ |
| 78 | ret = recv(test_sockets[0], &recv_len, sizeof(recv_len), 0); |
| 79 | g_assert_cmpint(ret, == , sizeof(recv_len)); |
| 80 | ret = recv(test_sockets[0], buffer, sizeof(buffer), 0); |
| 81 | g_assert_cmpint(ret, ==, sizeof(buffer)); |
| 82 | g_assert_false(memcmp(buffer, &packet, sizeof(packet))); |
| 83 | |
| 84 | /* Free test data buffer */ |
| 85 | guest_free(alloc, data); |
| 86 | } |
| 87 | |
| 88 | static void igb_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc) |
| 89 | { |
| 90 | union e1000_adv_rx_desc descr; |
| 91 | |
| 92 | struct eth_header test_iov = packet; |
| 93 | int len = htonl(sizeof(packet)); |
| 94 | struct iovec iov[] = { |
| 95 | { |
| 96 | .iov_base = &len, |
| 97 | .iov_len = sizeof(len), |
| 98 | },{ |
| 99 | .iov_base = &test_iov, |
| 100 | .iov_len = sizeof(packet), |
| 101 | }, |
| 102 | }; |
| 103 | |
| 104 | char buffer[64]; |
| 105 | int ret; |
| 106 | |
| 107 | /* Send a dummy packet to device's socket*/ |
| 108 | ret = iov_send(test_sockets[0], iov, 2, 0, sizeof(len) + sizeof(packet)); |
| 109 | g_assert_cmpint(ret, == , sizeof(packet) + sizeof(len)); |
| 110 | |
| 111 | /* Prepare test data buffer */ |
| 112 | uint64_t data = guest_alloc(alloc, sizeof(buffer)); |
| 113 | |
| 114 | /* Prepare RX descriptor */ |
| 115 | memset(&descr, 0, sizeof(descr)); |
| 116 | descr.read.pkt_addr = cpu_to_le64(data); |
| 117 | |
| 118 | /* Put descriptor to the ring */ |
| 119 | e1000e_rx_ring_push(d, &descr); |
| 120 | |
| 121 | /* Wait for TX WB interrupt */ |
| 122 | e1000e_wait_isr(d, E1000E_RX0_MSG_ID); |
| 123 | |
| 124 | /* Check DD bit */ |
| 125 | g_assert_cmphex(le32_to_cpu(descr.wb.upper.status_error) & |
| 126 | E1000_RXD_STAT_DD, ==, E1000_RXD_STAT_DD); |
| 127 | |
| 128 | /* Check data sent to the backend */ |
| 129 | memread(data, buffer, sizeof(buffer)); |
| 130 | g_assert_false(memcmp(buffer, &packet, sizeof(packet))); |
| 131 | |
| 132 | /* Free test data buffer */ |
| 133 | guest_free(alloc, data); |
| 134 | } |
| 135 | |
| 136 | static void test_e1000e_init(void *obj, void *data, QGuestAllocator * alloc) |
| 137 | { |
| 138 | /* init does nothing */ |
| 139 | } |
| 140 | |
| 141 | static void test_igb_tx(void *obj, void *data, QGuestAllocator * alloc) |
| 142 | { |
| 143 | QE1000E_PCI *e1000e = obj; |
| 144 | QE1000E *d = &e1000e->e1000e; |
| 145 | QOSGraphObject *e_object = obj; |
| 146 | QPCIDevice *dev = e_object->get_driver(e_object, "pci-device"); |
| 147 | |
| 148 | /* FIXME: add spapr support */ |
| 149 | if (qpci_check_buggy_msi(dev)) { |
| 150 | return; |
| 151 | } |
| 152 | |
| 153 | igb_send_verify(d, data, alloc); |
| 154 | } |
| 155 | |
| 156 | static void test_igb_rx(void *obj, void *data, QGuestAllocator * alloc) |
| 157 | { |
| 158 | QE1000E_PCI *e1000e = obj; |
| 159 | QE1000E *d = &e1000e->e1000e; |
| 160 | QOSGraphObject *e_object = obj; |
| 161 | QPCIDevice *dev = e_object->get_driver(e_object, "pci-device"); |
| 162 | |
| 163 | /* FIXME: add spapr support */ |
| 164 | if (qpci_check_buggy_msi(dev)) { |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | igb_receive_verify(d, data, alloc); |
| 169 | } |
| 170 | |
| 171 | static void test_igb_multiple_transfers(void *obj, void *data, |
| 172 | QGuestAllocator *alloc) |
| 173 | { |
| 174 | static const long iterations = 4 * 1024; |
| 175 | long i; |
| 176 | |
| 177 | QE1000E_PCI *e1000e = obj; |
| 178 | QE1000E *d = &e1000e->e1000e; |
| 179 | QOSGraphObject *e_object = obj; |
| 180 | QPCIDevice *dev = e_object->get_driver(e_object, "pci-device"); |
| 181 | |
| 182 | /* FIXME: add spapr support */ |
| 183 | if (qpci_check_buggy_msi(dev)) { |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | for (i = 0; i < iterations; i++) { |
| 188 | igb_send_verify(d, data, alloc); |
| 189 | igb_receive_verify(d, data, alloc); |
| 190 | } |
| 191 | |
| 192 | } |
| 193 | |
| 194 | static void data_test_clear(void *sockets) |
| 195 | { |
| 196 | int *test_sockets = sockets; |
| 197 | |
| 198 | close(test_sockets[0]); |
| 199 | qos_invalidate_command_line(); |
| 200 | close(test_sockets[1]); |
| 201 | g_free(test_sockets); |
| 202 | } |
| 203 | |
| 204 | static void *data_test_init(GString *cmd_line, void *arg) |
| 205 | { |
| 206 | int *test_sockets = g_new(int, 2); |
| 207 | int ret = socketpair(PF_UNIX, SOCK_STREAM, 0, test_sockets); |
| 208 | g_assert_cmpint(ret, != , -1); |
| 209 | |
| 210 | g_string_append_printf(cmd_line, " -netdev socket,fd=%d,id=hs0 ", |
| 211 | test_sockets[1]); |
| 212 | |
| 213 | g_test_queue_destroy(data_test_clear, test_sockets); |
| 214 | return test_sockets; |
| 215 | } |
| 216 | |
| 217 | #endif |
| 218 | |
| 219 | static void *data_test_init_no_socket(GString *cmd_line, void *arg) |
| 220 | { |
| 221 | g_string_append(cmd_line, " -netdev hubport,hubid=0,id=hs0 "); |
| 222 | return arg; |
| 223 | } |
| 224 | |
| 225 | static void test_igb_hotplug(void *obj, void *data, QGuestAllocator * alloc) |
| 226 | { |
| 227 | QTestState *qts = global_qtest; /* TODO: get rid of global_qtest here */ |
| 228 | QE1000E_PCI *dev = obj; |
| 229 | |
| 230 | if (dev->pci_dev.bus->not_hotpluggable) { |
| 231 | g_test_skip("pci bus does not support hotplug"); |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | qtest_qmp_device_add(qts, "igb", "igb_net", "{'addr': '0x06'}"); |
| 236 | qpci_unplug_acpi_device_test(qts, "igb_net", 0x06); |
| 237 | } |
| 238 | |
| 239 | static void register_igb_test(void) |
| 240 | { |
| 241 | QOSGraphTestOptions opts = { 0 }; |
| 242 | |
| 243 | #ifndef _WIN32 |
| 244 | opts.before = data_test_init, |
| 245 | qos_add_test("init", "igb", test_e1000e_init, &opts); |
| 246 | qos_add_test("tx", "igb", test_igb_tx, &opts); |
| 247 | qos_add_test("rx", "igb", test_igb_rx, &opts); |
| 248 | qos_add_test("multiple_transfers", "igb", |
| 249 | test_igb_multiple_transfers, &opts); |
| 250 | #endif |
| 251 | |
| 252 | opts.before = data_test_init_no_socket; |
| 253 | qos_add_test("hotplug", "igb", test_igb_hotplug, &opts); |
| 254 | } |
| 255 | |
| 256 | libqos_init(register_igb_test); |