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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , , Arseniy Krasnov Subject: [RFC PATCH v3 17/17] test/vsock: io_uring rx/tx tests Date: Mon, 22 May 2023 10:39:50 +0300 Message-ID: <20230522073950.3574171-18-AVKrasnov@sberdevices.ru> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230522073950.3574171-1-AVKrasnov@sberdevices.ru> References: <20230522073950.3574171-1-AVKrasnov@sberdevices.ru> MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH02.sberdevices.ru (172.16.1.5) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/05/22 04:49:00 #21364689 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766579912754356637?= X-GMAIL-MSGID: =?utf-8?q?1766579912754356637?= This adds set of tests which use io_uring for rx/tx. This test suite is implemented as separated util like 'vsock_test' and has the same set of input arguments as 'vsock_test'. These tests only cover cases of data transmission (no connect/bind/accept etc). Signed-off-by: Arseniy Krasnov --- tools/testing/vsock/Makefile | 7 +- tools/testing/vsock/vsock_uring_test.c | 316 +++++++++++++++++++++++++ 2 files changed, 322 insertions(+), 1 deletion(-) create mode 100644 tools/testing/vsock/vsock_uring_test.c diff --git a/tools/testing/vsock/Makefile b/tools/testing/vsock/Makefile index 0a78787d1d92..8621ae73051d 100644 --- a/tools/testing/vsock/Makefile +++ b/tools/testing/vsock/Makefile @@ -1,12 +1,17 @@ # SPDX-License-Identifier: GPL-2.0-only +ifeq ($(MAKECMDGOALS),vsock_uring_test) +LDFLAGS = -luring +endif + all: test vsock_perf test: vsock_test vsock_diag_test vsock_test: vsock_test.o vsock_test_zerocopy.o timeout.o control.o util.o vsock_diag_test: vsock_diag_test.o timeout.o control.o util.o vsock_perf: vsock_perf.o +vsock_uring_test: control.o util.o vsock_uring_test.o timeout.o $(LDFLAGS) CFLAGS += -g -O2 -Werror -Wall -I. -I../../include -I../../../usr/include -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -D_GNU_SOURCE .PHONY: all test clean clean: - ${RM} *.o *.d vsock_test vsock_diag_test + ${RM} *.o *.d vsock_test vsock_diag_test vsock_uring_test -include *.d diff --git a/tools/testing/vsock/vsock_uring_test.c b/tools/testing/vsock/vsock_uring_test.c new file mode 100644 index 000000000000..5d0f0f48a794 --- /dev/null +++ b/tools/testing/vsock/vsock_uring_test.c @@ -0,0 +1,316 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* io_uring tests for vsock + * + * Copyright (C) 2023 SberDevices. + * + * Author: Arseniy Krasnov + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "util.h" +#include "control.h" + +#define PAGE_SIZE 4096 +#define RING_ENTRIES_NUM 4 + +static struct vsock_test_data test_data_array[] = { + { + .use_zerocopy = true, + .vecs_cnt = 3, + { + { NULL, PAGE_SIZE }, + { NULL, 2 * PAGE_SIZE }, + { NULL, 3 * PAGE_SIZE }, + } + }, + { + .use_zerocopy = false, + .vecs_cnt = 3, + { + { NULL, PAGE_SIZE }, + { NULL, 2 * PAGE_SIZE }, + { NULL, 3 * PAGE_SIZE }, + } + }, + { + .use_zerocopy = true, + .vecs_cnt = 3, + { + { NULL, PAGE_SIZE }, + { (void *)1, 200 }, + { NULL, 3 * PAGE_SIZE }, + } + }, + { + .use_zerocopy = false, + .vecs_cnt = 3, + { + { NULL, PAGE_SIZE }, + { (void *)1, 200 }, + { NULL, 3 * PAGE_SIZE }, + } + } +}; + +static void vsock_io_uring_client(const struct test_opts *opts, + const struct vsock_test_data *test_data) +{ + struct io_uring_sqe *sqe; + struct io_uring_cqe *cqe; + struct io_uring ring; + struct iovec *iovec; + struct msghdr msg; + int fd; + + fd = vsock_stream_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + enable_so_zerocopy(fd); + + iovec = init_iovec_from_test_data(test_data); + + if (io_uring_queue_init(RING_ENTRIES_NUM, &ring, 0)) + error(1, errno, "io_uring_queue_init"); + + if (io_uring_register_buffers(&ring, iovec, test_data->vecs_cnt)) + error(1, errno, "io_uring_register_buffers"); + + memset(&msg, 0, sizeof(msg)); + msg.msg_iov = iovec; + msg.msg_iovlen = test_data->vecs_cnt; + sqe = io_uring_get_sqe(&ring); + + if (test_data->use_zerocopy) + io_uring_prep_sendmsg_zc(sqe, fd, &msg, 0); + else + io_uring_prep_sendmsg(sqe, fd, &msg, 0); + + if (io_uring_submit(&ring) != 1) + error(1, errno, "io_uring_submit"); + + if (io_uring_wait_cqe(&ring, &cqe)) + error(1, errno, "io_uring_wait_cqe"); + + io_uring_cqe_seen(&ring, cqe); + + control_writeulong(iovec_hash_djb2(iovec, test_data->vecs_cnt)); + + control_writeln("DONE"); + io_uring_queue_exit(&ring); + free_iovec_test_data(test_data, iovec); + close(fd); +} + +void test_stream_uring_client(const struct test_opts *opts) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(test_data_array); i++) + vsock_io_uring_client(opts, &test_data_array[i]); +} + +static void vsock_io_uring_server(const struct test_opts *opts, + const struct vsock_test_data *test_data) +{ + unsigned long remote_hash; + unsigned long local_hash; + struct io_uring_sqe *sqe; + struct io_uring_cqe *cqe; + struct io_uring ring; + struct iovec iovec; + size_t data_len; + void *data; + int fd; + + fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + data_len = iovec_bytes(test_data->vecs, test_data->vecs_cnt); + + data = malloc(data_len); + if (!data) { + perror("malloc"); + exit(EXIT_FAILURE); + } + + if (io_uring_queue_init(RING_ENTRIES_NUM, &ring, 0)) + error(1, errno, "io_uring_queue_init"); + + sqe = io_uring_get_sqe(&ring); + iovec.iov_base = data; + iovec.iov_len = data_len; + + io_uring_prep_readv(sqe, fd, &iovec, 1, 0); + + if (io_uring_submit(&ring) != 1) + error(1, errno, "io_uring_submit"); + + if (io_uring_wait_cqe(&ring, &cqe)) + error(1, errno, "io_uring_wait_cqe"); + + if (cqe->res != data_len) { + fprintf(stderr, "expected %zu, got %u\n", data_len, + cqe->res); + exit(EXIT_FAILURE); + } + + local_hash = hash_djb2(data, data_len); + + remote_hash = control_readulong(); + if (remote_hash != local_hash) { + fprintf(stderr, "hash mismatch\n"); + exit(EXIT_FAILURE); + } + + control_expectln("DONE"); + io_uring_queue_exit(&ring); + free(data); +} + +void test_stream_uring_server(const struct test_opts *opts) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(test_data_array); i++) + vsock_io_uring_server(opts, &test_data_array[i]); +} + +static struct test_case test_cases[] = { + { + .name = "io_uring test", + .run_server = test_stream_uring_server, + .run_client = test_stream_uring_client, + }, + {}, +}; + +static const char optstring[] = ""; +static const struct option longopts[] = { + { + .name = "control-host", + .has_arg = required_argument, + .val = 'H', + }, + { + .name = "control-port", + .has_arg = required_argument, + .val = 'P', + }, + { + .name = "mode", + .has_arg = required_argument, + .val = 'm', + }, + { + .name = "peer-cid", + .has_arg = required_argument, + .val = 'p', + }, + { + .name = "help", + .has_arg = no_argument, + .val = '?', + }, + {}, +}; + +static void usage(void) +{ + fprintf(stderr, "Usage: vsock_uring_test [--help] [--control-host=] --control-port= --mode=client|server --peer-cid=\n" + "\n" + " Server: vsock_uring_test --control-port=1234 --mode=server --peer-cid=3\n" + " Client: vsock_uring_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n" + "\n" + "Run transmission tests using io_uring. Usage is the same as\n" + "in ./vsock_test\n" + "\n" + "Options:\n" + " --help This help message\n" + " --control-host Server IP address to connect to\n" + " --control-port Server port to listen on/connect to\n" + " --mode client|server Server or client mode\n" + " --peer-cid CID of the other side\n" + ); + exit(EXIT_FAILURE); +} + +int main(int argc, char **argv) +{ + const char *control_host = NULL; + const char *control_port = NULL; + struct test_opts opts = { + .mode = TEST_MODE_UNSET, + .peer_cid = VMADDR_CID_ANY, + }; + + init_signals(); + + for (;;) { + int opt = getopt_long(argc, argv, optstring, longopts, NULL); + + if (opt == -1) + break; + + switch (opt) { + case 'H': + control_host = optarg; + break; + case 'm': + if (strcmp(optarg, "client") == 0) { + opts.mode = TEST_MODE_CLIENT; + } else if (strcmp(optarg, "server") == 0) { + opts.mode = TEST_MODE_SERVER; + } else { + fprintf(stderr, "--mode must be \"client\" or \"server\"\n"); + return EXIT_FAILURE; + } + break; + case 'p': + opts.peer_cid = parse_cid(optarg); + break; + case 'P': + control_port = optarg; + break; + case '?': + default: + usage(); + } + } + + if (!control_port) + usage(); + if (opts.mode == TEST_MODE_UNSET) + usage(); + if (opts.peer_cid == VMADDR_CID_ANY) + usage(); + + if (!control_host) { + if (opts.mode != TEST_MODE_SERVER) + usage(); + control_host = "0.0.0.0"; + } + + control_init(control_host, control_port, + opts.mode == TEST_MODE_SERVER); + + run_tests(test_cases, &opts); + + control_cleanup(); + + return 0; +}