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| 1 | +/* |
| 2 | + * SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES |
| 3 | + * Copyright (c) 2021-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved. |
| 4 | + * SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause |
| 5 | + */ |
| 6 | + |
| 7 | +#include "common/def.h" |
| 8 | +#include "common/log.h" |
| 9 | +#include "common/sys.h" |
| 10 | +#include "common/base.h" |
| 11 | +#include <infiniband/verbs.h> |
| 12 | +#include <pthread.h> |
| 13 | +#include <unistd.h> |
| 14 | +#include "core/xlio_base.h" |
| 15 | + |
| 16 | +#if defined(EXTRA_API_ENABLED) && (EXTRA_API_ENABLED == 1) |
| 17 | + |
| 18 | +static int connected_counter = 0; |
| 19 | +static int terminated_counter = 0; |
| 20 | +static int rx_cb_counter = 0; |
| 21 | +static unsigned int comp_cb_counter = 0U; |
| 22 | +static struct ibv_pd *pd = NULL; |
| 23 | +static struct ibv_mr *mr_buf; |
| 24 | +static char sndbuf[32]; |
| 25 | +static std::vector<xlio_socket_t> accepted_sockets; |
| 26 | +static unsigned int init_msgs = 10; // Consequent 10 segments should take 4 wqebb |
| 27 | + |
| 28 | +struct xlio_socket_send_attr send_attr = { |
| 29 | + .flags = 0, |
| 30 | + .mkey = 0U, |
| 31 | + .userdata_op = 0x1, |
| 32 | +}; |
| 33 | + |
| 34 | +class ultra_api_socket_send_receive_full_sq : public ultra_api_base { |
| 35 | +public: |
| 36 | + virtual void SetUp() |
| 37 | + { |
| 38 | + errno = EOK; |
| 39 | + // Reset static variables between test runs |
| 40 | + connected_counter = 0; |
| 41 | + terminated_counter = 0; |
| 42 | + rx_cb_counter = 0; |
| 43 | + comp_cb_counter = 0; |
| 44 | + pd = NULL; |
| 45 | + mr_buf = NULL; |
| 46 | + accepted_sockets.clear(); |
| 47 | + memset(sndbuf, 'A', sizeof(sndbuf)); |
| 48 | + }; |
| 49 | + virtual void TearDown() |
| 50 | + { |
| 51 | + // Clean up memory registration if it exists (parent process only) |
| 52 | + if (mr_buf) { |
| 53 | + ibv_dereg_mr(mr_buf); |
| 54 | + mr_buf = NULL; |
| 55 | + } |
| 56 | + }; |
| 57 | + void destroy_poll_group(xlio_poll_group_t group) { base_destroy_poll_group(group); } |
| 58 | + static void socket_event_cb(xlio_socket_t sock, uintptr_t userdata_sq, int event, int value) |
| 59 | + { |
| 60 | + UNREFERENCED_PARAMETER(userdata_sq); |
| 61 | + UNREFERENCED_PARAMETER(value); |
| 62 | + if (event == XLIO_SOCKET_EVENT_ESTABLISHED) { |
| 63 | + pd = xlio_api->xlio_socket_get_pd(sock); |
| 64 | + ASSERT_TRUE(pd != NULL); |
| 65 | + mr_buf = ibv_reg_mr(pd, sndbuf, sizeof(sndbuf), IBV_ACCESS_LOCAL_WRITE); |
| 66 | + ASSERT_TRUE(mr_buf != NULL); |
| 67 | + send_attr.mkey = mr_buf->lkey; |
| 68 | + |
| 69 | + log_trace("Sending initial %u segments to form 4wqebb WQE\n", init_msgs); |
| 70 | + for (auto temp_msg = init_msgs; temp_msg; --temp_msg) { |
| 71 | + ASSERT_EQ(0, xlio_api->xlio_socket_send(sock, sndbuf, sizeof(sndbuf), &send_attr)); |
| 72 | + } |
| 73 | + |
| 74 | + xlio_api->xlio_socket_flush(sock); |
| 75 | + connected_counter++; |
| 76 | + } else if (event == XLIO_SOCKET_EVENT_CLOSED) { |
| 77 | + terminated_counter++; |
| 78 | + } else if (event == XLIO_SOCKET_EVENT_TERMINATED) { |
| 79 | + terminated_counter++; |
| 80 | + } |
| 81 | + } |
| 82 | + static void socket_comp_cb(xlio_socket_t sock, uintptr_t userdata_sq, uintptr_t userdata_op) |
| 83 | + { |
| 84 | + UNREFERENCED_PARAMETER(sock); |
| 85 | + UNREFERENCED_PARAMETER(userdata_sq); |
| 86 | + UNREFERENCED_PARAMETER(userdata_op); |
| 87 | + comp_cb_counter++; |
| 88 | + } |
| 89 | + |
| 90 | + static void socket_rx_cb(xlio_socket_t sock, uintptr_t userdata_sq, void *data, size_t len, |
| 91 | + struct xlio_buf *buf) |
| 92 | + { |
| 93 | + UNREFERENCED_PARAMETER(sock); |
| 94 | + UNREFERENCED_PARAMETER(userdata_sq); |
| 95 | + UNREFERENCED_PARAMETER(data); |
| 96 | + UNREFERENCED_PARAMETER(len); |
| 97 | + rx_cb_counter++; |
| 98 | + xlio_api->xlio_socket_buf_free(sock, buf); |
| 99 | + } |
| 100 | + |
| 101 | + static void socket_accept_cb(xlio_socket_t sock, xlio_socket_t parent_sock, |
| 102 | + uintptr_t parent_userdata) |
| 103 | + { |
| 104 | + UNREFERENCED_PARAMETER(sock); |
| 105 | + UNREFERENCED_PARAMETER(parent_sock); |
| 106 | + UNREFERENCED_PARAMETER(parent_userdata); |
| 107 | + int rc = xlio_api->xlio_socket_update(sock, 0, 0x1); |
| 108 | + ASSERT_EQ(rc, 0); |
| 109 | + accepted_sockets.push_back(sock); |
| 110 | + connected_counter++; |
| 111 | + } |
| 112 | +}; |
| 113 | + |
| 114 | +/** |
| 115 | + * @test ultra_api_socket_send_receive_full_sq.ti_1 |
| 116 | + * @brief |
| 117 | + * Create TCP socket/connect/send(initiator)/receive(target) |
| 118 | + * @details |
| 119 | + */ |
| 120 | +TEST_F(ultra_api_socket_send_receive_full_sq, ti_1) |
| 121 | +{ |
| 122 | + int rc; |
| 123 | + int pid = fork(); |
| 124 | + ultra_api_base::SetUp(); |
| 125 | + xlio_poll_group_t group; |
| 126 | + xlio_socket_t sock; |
| 127 | + |
| 128 | + base_create_poll_group(&group, &socket_event_cb, &socket_comp_cb, &socket_rx_cb, |
| 129 | + &socket_accept_cb); |
| 130 | + xlio_socket_attr sattr = { |
| 131 | + .flags = 0, |
| 132 | + .domain = server_addr.addr.sa_family, |
| 133 | + .group = group, |
| 134 | + .userdata_sq = 0, |
| 135 | + }; |
| 136 | + if (pid == 0) { |
| 137 | + base_create_socket(&sattr, &sock); |
| 138 | + |
| 139 | + rc = xlio_api->xlio_socket_bind(sock, (struct sockaddr *)&server_addr, sizeof(server_addr)); |
| 140 | + ASSERT_EQ(0, rc); |
| 141 | + |
| 142 | + rc = xlio_api->xlio_socket_listen(sock); |
| 143 | + ASSERT_EQ(0, rc); |
| 144 | + |
| 145 | + barrier_fork(pid, true); |
| 146 | + |
| 147 | + while (connected_counter < 1 || rx_cb_counter < 1) { |
| 148 | + xlio_api->xlio_poll_group_poll(group); |
| 149 | + } |
| 150 | + |
| 151 | + base_wait_for_delayed_acks(group); |
| 152 | + |
| 153 | + barrier_fork(pid, false); // Wait for parent to receive last ack |
| 154 | + |
| 155 | + base_destroy_socket(sock); |
| 156 | + base_cleanup_accepted_sockets(accepted_sockets); |
| 157 | + while (terminated_counter < 1) { |
| 158 | + xlio_api->xlio_poll_group_poll(group); |
| 159 | + } |
| 160 | + |
| 161 | + if (mr_buf) { |
| 162 | + ibv_dereg_mr(mr_buf); |
| 163 | + mr_buf = NULL; |
| 164 | + } |
| 165 | + |
| 166 | + destroy_poll_group(group); |
| 167 | + exit(testing::Test::HasFailure()); |
| 168 | + } else { |
| 169 | + base_create_socket(&sattr, &sock); |
| 170 | + |
| 171 | + rc = xlio_api->xlio_socket_bind(sock, (struct sockaddr *)&client_addr, sizeof(client_addr)); |
| 172 | + ASSERT_EQ(0, rc); |
| 173 | + |
| 174 | + barrier_fork(pid, true); // Wait for child to bind and listen |
| 175 | + |
| 176 | + rc = xlio_api->xlio_socket_connect(sock, (struct sockaddr *)&server_addr, |
| 177 | + sizeof(server_addr)); |
| 178 | + ASSERT_EQ(0, rc); |
| 179 | + |
| 180 | + while (connected_counter < 1 || comp_cb_counter < init_msgs) { |
| 181 | + xlio_api->xlio_poll_group_poll(group); |
| 182 | + } |
| 183 | + |
| 184 | + // At this point we should have a completion for the last WQE of 4 wqebb. |
| 185 | + // Fill SQ with WQEs of 2wqebb size to overwrite on the last signalled space with 2 WQEs. |
| 186 | + |
| 187 | + unsigned int default_sq_size_wqebb = 32768; |
| 188 | + unsigned int num_wqe_to_send = |
| 189 | + default_sq_size_wqebb / 2; // Default Size of SQ (32768) / 2 (2wqebb per WQE) |
| 190 | + log_trace("Filling full SQ with %u WQEs of 2wqebb size\n", num_wqe_to_send); |
| 191 | + |
| 192 | + while (num_wqe_to_send-- > 0) { |
| 193 | + ASSERT_EQ(0, xlio_api->xlio_socket_send(sock, sndbuf, sizeof(sndbuf), &send_attr)); |
| 194 | + xlio_api->xlio_socket_flush(sock); |
| 195 | + } |
| 196 | + |
| 197 | + log_trace("Waiting for completions\n"); |
| 198 | + while (comp_cb_counter < |
| 199 | + 4096) { // More than 2 completions is enough to overpass last signalled. |
| 200 | + xlio_api->xlio_poll_group_poll(group); |
| 201 | + } |
| 202 | + |
| 203 | + log_trace("Completions received\n"); |
| 204 | + |
| 205 | + base_wait_for_delayed_acks(group); |
| 206 | + |
| 207 | + barrier_fork(pid, false); |
| 208 | + |
| 209 | + base_destroy_socket(sock); |
| 210 | + while (terminated_counter < 1) { |
| 211 | + xlio_api->xlio_poll_group_poll(group); |
| 212 | + } |
| 213 | + |
| 214 | + destroy_poll_group(group); |
| 215 | + |
| 216 | + wait_fork(pid); |
| 217 | + } |
| 218 | +} |
| 219 | + |
| 220 | +#endif /* EXTRA_API_ENABLED */ |
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