1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) 2020 Mellanox Technologies LTD. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Intel Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "spdk/sock.h" 34 35 #include "spdk/rpc.h" 36 #include "spdk/util.h" 37 #include "spdk/string.h" 38 39 #include "spdk/log.h" 40 41 42 static const struct spdk_json_object_decoder rpc_sock_impl_get_opts_decoders[] = { 43 { "impl_name", 0, spdk_json_decode_string, false }, 44 }; 45 46 static void 47 rpc_sock_impl_get_options(struct spdk_jsonrpc_request *request, 48 const struct spdk_json_val *params) 49 { 50 char *impl_name = NULL; 51 struct spdk_sock_impl_opts sock_opts = {}; 52 struct spdk_json_write_ctx *w; 53 size_t len; 54 int rc; 55 56 if (spdk_json_decode_object(params, rpc_sock_impl_get_opts_decoders, 57 SPDK_COUNTOF(rpc_sock_impl_get_opts_decoders), &impl_name)) { 58 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 59 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 60 "Invalid parameters"); 61 return; 62 } 63 64 len = sizeof(sock_opts); 65 rc = spdk_sock_impl_get_opts(impl_name, &sock_opts, &len); 66 if (rc) { 67 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 68 "Invalid parameters"); 69 return; 70 } 71 72 w = spdk_jsonrpc_begin_result(request); 73 spdk_json_write_object_begin(w); 74 spdk_json_write_named_uint32(w, "recv_buf_size", sock_opts.recv_buf_size); 75 spdk_json_write_named_uint32(w, "send_buf_size", sock_opts.send_buf_size); 76 spdk_json_write_named_bool(w, "enable_recv_pipe", sock_opts.enable_recv_pipe); 77 spdk_json_write_named_bool(w, "enable_zerocopy_send", sock_opts.enable_zerocopy_send); 78 spdk_json_write_named_bool(w, "enable_quickack", sock_opts.enable_quickack); 79 spdk_json_write_named_bool(w, "enable_placement_id", sock_opts.enable_placement_id); 80 spdk_json_write_object_end(w); 81 spdk_jsonrpc_end_result(request, w); 82 free(impl_name); 83 } 84 SPDK_RPC_REGISTER("sock_impl_get_options", rpc_sock_impl_get_options, 85 SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) 86 87 struct spdk_rpc_sock_impl_set_opts { 88 char *impl_name; 89 struct spdk_sock_impl_opts sock_opts; 90 }; 91 92 static const struct spdk_json_object_decoder rpc_sock_impl_set_opts_decoders[] = { 93 { 94 "impl_name", offsetof(struct spdk_rpc_sock_impl_set_opts, impl_name), 95 spdk_json_decode_string, false 96 }, 97 { 98 "recv_buf_size", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.recv_buf_size), 99 spdk_json_decode_uint32, true 100 }, 101 { 102 "send_buf_size", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.send_buf_size), 103 spdk_json_decode_uint32, true 104 }, 105 { 106 "enable_recv_pipe", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.enable_recv_pipe), 107 spdk_json_decode_bool, true 108 }, 109 { 110 "enable_zerocopy_send", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.enable_zerocopy_send), 111 spdk_json_decode_bool, true 112 }, 113 { 114 "enable_quickack", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.enable_quickack), 115 spdk_json_decode_bool, true 116 }, 117 { 118 "enable_placement_id", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.enable_placement_id), 119 spdk_json_decode_bool, true 120 }, 121 122 }; 123 124 static void 125 rpc_sock_impl_set_options(struct spdk_jsonrpc_request *request, 126 const struct spdk_json_val *params) 127 { 128 struct spdk_rpc_sock_impl_set_opts opts = {}; 129 size_t len; 130 int rc; 131 132 /* Get type */ 133 if (spdk_json_decode_object(params, rpc_sock_impl_set_opts_decoders, 134 SPDK_COUNTOF(rpc_sock_impl_set_opts_decoders), &opts)) { 135 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 136 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 137 "Invalid parameters"); 138 return; 139 } 140 141 /* Retrieve default opts for requested socket implementation */ 142 len = sizeof(opts.sock_opts); 143 rc = spdk_sock_impl_get_opts(opts.impl_name, &opts.sock_opts, &len); 144 if (rc) { 145 free(opts.impl_name); 146 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 147 "Invalid parameters"); 148 return; 149 } 150 151 /* Decode opts */ 152 if (spdk_json_decode_object(params, rpc_sock_impl_set_opts_decoders, 153 SPDK_COUNTOF(rpc_sock_impl_set_opts_decoders), &opts)) { 154 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 155 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 156 "Invalid parameters"); 157 return; 158 } 159 160 rc = spdk_sock_impl_set_opts(opts.impl_name, &opts.sock_opts, sizeof(opts.sock_opts)); 161 if (rc != 0) { 162 free(opts.impl_name); 163 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 164 "Invalid parameters"); 165 return; 166 } 167 168 spdk_jsonrpc_send_bool_response(request, true); 169 free(opts.impl_name); 170 } 171 SPDK_RPC_REGISTER("sock_impl_set_options", rpc_sock_impl_set_options, SPDK_RPC_STARTUP) 172 173 static void 174 rpc_sock_set_default_impl(struct spdk_jsonrpc_request *request, 175 const struct spdk_json_val *params) 176 { 177 char *impl_name = NULL; 178 int rc; 179 180 /* Reuse get_opts decoder */ 181 if (spdk_json_decode_object(params, rpc_sock_impl_get_opts_decoders, 182 SPDK_COUNTOF(rpc_sock_impl_get_opts_decoders), &impl_name)) { 183 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 184 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 185 "Invalid parameters"); 186 return; 187 } 188 189 rc = spdk_sock_set_default_impl(impl_name); 190 if (rc) { 191 free(impl_name); 192 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 193 "Invalid parameters"); 194 return; 195 } 196 197 spdk_jsonrpc_send_bool_response(request, true); 198 free(impl_name); 199 } 200 SPDK_RPC_REGISTER("sock_set_default_impl", rpc_sock_set_default_impl, SPDK_RPC_STARTUP) 201