1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* 3 * Copyright Gavin Shan, IBM Corporation 2016. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 * 18 * 3. Neither the name of the copyright holder nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 33 * OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef NCSI_PKT_H 37 #define NCSI_PKT_H 38 39 /* from linux/net/ncsi/ncsi-pkt.h */ 40 #define __be32 uint32_t 41 #define __be16 uint16_t 42 43 struct ncsi_pkt_hdr { 44 unsigned char mc_id; /* Management controller ID */ 45 unsigned char revision; /* NCSI version - 0x01 */ 46 unsigned char reserved; /* Reserved */ 47 unsigned char id; /* Packet sequence number */ 48 unsigned char type; /* Packet type */ 49 unsigned char channel; /* Network controller ID */ 50 __be16 length; /* Payload length */ 51 __be32 reserved1[2]; /* Reserved */ 52 }; 53 54 struct ncsi_cmd_pkt_hdr { 55 struct ncsi_pkt_hdr common; /* Common NCSI packet header */ 56 }; 57 58 struct ncsi_rsp_pkt_hdr { 59 struct ncsi_pkt_hdr common; /* Common NCSI packet header */ 60 __be16 code; /* Response code */ 61 __be16 reason; /* Response reason */ 62 }; 63 64 struct ncsi_aen_pkt_hdr { 65 struct ncsi_pkt_hdr common; /* Common NCSI packet header */ 66 unsigned char reserved2[3]; /* Reserved */ 67 unsigned char type; /* AEN packet type */ 68 }; 69 70 /* NCSI common command packet */ 71 struct ncsi_cmd_pkt { 72 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 73 __be32 checksum; /* Checksum */ 74 unsigned char pad[26]; 75 }; 76 77 struct ncsi_rsp_pkt { 78 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 79 __be32 checksum; /* Checksum */ 80 unsigned char pad[22]; 81 }; 82 83 /* Select Package */ 84 struct ncsi_cmd_sp_pkt { 85 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 86 unsigned char reserved[3]; /* Reserved */ 87 unsigned char hw_arbitration; /* HW arbitration */ 88 __be32 checksum; /* Checksum */ 89 unsigned char pad[22]; 90 }; 91 92 /* Disable Channel */ 93 struct ncsi_cmd_dc_pkt { 94 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 95 unsigned char reserved[3]; /* Reserved */ 96 unsigned char ald; /* Allow link down */ 97 __be32 checksum; /* Checksum */ 98 unsigned char pad[22]; 99 }; 100 101 /* Reset Channel */ 102 struct ncsi_cmd_rc_pkt { 103 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 104 __be32 reserved; /* Reserved */ 105 __be32 checksum; /* Checksum */ 106 unsigned char pad[22]; 107 }; 108 109 /* AEN Enable */ 110 struct ncsi_cmd_ae_pkt { 111 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 112 unsigned char reserved[3]; /* Reserved */ 113 unsigned char mc_id; /* MC ID */ 114 __be32 mode; /* AEN working mode */ 115 __be32 checksum; /* Checksum */ 116 unsigned char pad[18]; 117 }; 118 119 /* Set Link */ 120 struct ncsi_cmd_sl_pkt { 121 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 122 __be32 mode; /* Link working mode */ 123 __be32 oem_mode; /* OEM link mode */ 124 __be32 checksum; /* Checksum */ 125 unsigned char pad[18]; 126 }; 127 128 /* Set VLAN Filter */ 129 struct ncsi_cmd_svf_pkt { 130 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 131 __be16 reserved; /* Reserved */ 132 __be16 vlan; /* VLAN ID */ 133 __be16 reserved1; /* Reserved */ 134 unsigned char index; /* VLAN table index */ 135 unsigned char enable; /* Enable or disable */ 136 __be32 checksum; /* Checksum */ 137 unsigned char pad[14]; 138 }; 139 140 /* Enable VLAN */ 141 struct ncsi_cmd_ev_pkt { 142 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 143 unsigned char reserved[3]; /* Reserved */ 144 unsigned char mode; /* VLAN filter mode */ 145 __be32 checksum; /* Checksum */ 146 unsigned char pad[22]; 147 }; 148 149 /* Set MAC Address */ 150 struct ncsi_cmd_sma_pkt { 151 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 152 unsigned char mac[6]; /* MAC address */ 153 unsigned char index; /* MAC table index */ 154 unsigned char at_e; /* Addr type and operation */ 155 __be32 checksum; /* Checksum */ 156 unsigned char pad[18]; 157 }; 158 159 /* Enable Broadcast Filter */ 160 struct ncsi_cmd_ebf_pkt { 161 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 162 __be32 mode; /* Filter mode */ 163 __be32 checksum; /* Checksum */ 164 unsigned char pad[22]; 165 }; 166 167 /* Enable Global Multicast Filter */ 168 struct ncsi_cmd_egmf_pkt { 169 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 170 __be32 mode; /* Global MC mode */ 171 __be32 checksum; /* Checksum */ 172 unsigned char pad[22]; 173 }; 174 175 /* Set NCSI Flow Control */ 176 struct ncsi_cmd_snfc_pkt { 177 struct ncsi_cmd_pkt_hdr cmd; /* Command header */ 178 unsigned char reserved[3]; /* Reserved */ 179 unsigned char mode; /* Flow control mode */ 180 __be32 checksum; /* Checksum */ 181 unsigned char pad[22]; 182 }; 183 184 /* Get Link Status */ 185 struct ncsi_rsp_gls_pkt { 186 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 187 __be32 status; /* Link status */ 188 __be32 other; /* Other indications */ 189 __be32 oem_status; /* OEM link status */ 190 __be32 checksum; 191 unsigned char pad[10]; 192 }; 193 194 /* Get Version ID */ 195 struct ncsi_rsp_gvi_pkt { 196 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 197 __be32 ncsi_version; /* NCSI version */ 198 unsigned char reserved[3]; /* Reserved */ 199 unsigned char alpha2; /* NCSI version */ 200 unsigned char fw_name[12]; /* f/w name string */ 201 __be32 fw_version; /* f/w version */ 202 __be16 pci_ids[4]; /* PCI IDs */ 203 __be32 mf_id; /* Manufacture ID */ 204 __be32 checksum; 205 }; 206 207 /* Get Capabilities */ 208 struct ncsi_rsp_gc_pkt { 209 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 210 __be32 cap; /* Capabilities */ 211 __be32 bc_cap; /* Broadcast cap */ 212 __be32 mc_cap; /* Multicast cap */ 213 __be32 buf_cap; /* Buffering cap */ 214 __be32 aen_cap; /* AEN cap */ 215 unsigned char vlan_cnt; /* VLAN filter count */ 216 unsigned char mixed_cnt; /* Mix filter count */ 217 unsigned char mc_cnt; /* MC filter count */ 218 unsigned char uc_cnt; /* UC filter count */ 219 unsigned char reserved[2]; /* Reserved */ 220 unsigned char vlan_mode; /* VLAN mode */ 221 unsigned char channel_cnt; /* Channel count */ 222 __be32 checksum; /* Checksum */ 223 }; 224 225 /* Get Parameters */ 226 struct ncsi_rsp_gp_pkt { 227 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 228 unsigned char mac_cnt; /* Number of MAC addr */ 229 unsigned char reserved[2]; /* Reserved */ 230 unsigned char mac_enable; /* MAC addr enable flags */ 231 unsigned char vlan_cnt; /* VLAN tag count */ 232 unsigned char reserved1; /* Reserved */ 233 __be16 vlan_enable; /* VLAN tag enable flags */ 234 __be32 link_mode; /* Link setting */ 235 __be32 bc_mode; /* BC filter mode */ 236 __be32 valid_modes; /* Valid mode parameters */ 237 unsigned char vlan_mode; /* VLAN mode */ 238 unsigned char fc_mode; /* Flow control mode */ 239 unsigned char reserved2[2]; /* Reserved */ 240 __be32 aen_mode; /* AEN mode */ 241 unsigned char mac[6]; /* Supported MAC addr */ 242 __be16 vlan; /* Supported VLAN tags */ 243 __be32 checksum; /* Checksum */ 244 }; 245 246 /* Get Controller Packet Statistics */ 247 struct ncsi_rsp_gcps_pkt { 248 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 249 __be32 cnt_hi; /* Counter cleared */ 250 __be32 cnt_lo; /* Counter cleared */ 251 __be32 rx_bytes; /* Rx bytes */ 252 __be32 tx_bytes; /* Tx bytes */ 253 __be32 rx_uc_pkts; /* Rx UC packets */ 254 __be32 rx_mc_pkts; /* Rx MC packets */ 255 __be32 rx_bc_pkts; /* Rx BC packets */ 256 __be32 tx_uc_pkts; /* Tx UC packets */ 257 __be32 tx_mc_pkts; /* Tx MC packets */ 258 __be32 tx_bc_pkts; /* Tx BC packets */ 259 __be32 fcs_err; /* FCS errors */ 260 __be32 align_err; /* Alignment errors */ 261 __be32 false_carrier; /* False carrier detection */ 262 __be32 runt_pkts; /* Rx runt packets */ 263 __be32 jabber_pkts; /* Rx jabber packets */ 264 __be32 rx_pause_xon; /* Rx pause XON frames */ 265 __be32 rx_pause_xoff; /* Rx XOFF frames */ 266 __be32 tx_pause_xon; /* Tx XON frames */ 267 __be32 tx_pause_xoff; /* Tx XOFF frames */ 268 __be32 tx_s_collision; /* Single collision frames */ 269 __be32 tx_m_collision; /* Multiple collision frames */ 270 __be32 l_collision; /* Late collision frames */ 271 __be32 e_collision; /* Excessive collision frames */ 272 __be32 rx_ctl_frames; /* Rx control frames */ 273 __be32 rx_64_frames; /* Rx 64-bytes frames */ 274 __be32 rx_127_frames; /* Rx 65-127 bytes frames */ 275 __be32 rx_255_frames; /* Rx 128-255 bytes frames */ 276 __be32 rx_511_frames; /* Rx 256-511 bytes frames */ 277 __be32 rx_1023_frames; /* Rx 512-1023 bytes frames */ 278 __be32 rx_1522_frames; /* Rx 1024-1522 bytes frames */ 279 __be32 rx_9022_frames; /* Rx 1523-9022 bytes frames */ 280 __be32 tx_64_frames; /* Tx 64-bytes frames */ 281 __be32 tx_127_frames; /* Tx 65-127 bytes frames */ 282 __be32 tx_255_frames; /* Tx 128-255 bytes frames */ 283 __be32 tx_511_frames; /* Tx 256-511 bytes frames */ 284 __be32 tx_1023_frames; /* Tx 512-1023 bytes frames */ 285 __be32 tx_1522_frames; /* Tx 1024-1522 bytes frames */ 286 __be32 tx_9022_frames; /* Tx 1523-9022 bytes frames */ 287 __be32 rx_valid_bytes; /* Rx valid bytes */ 288 __be32 rx_runt_pkts; /* Rx error runt packets */ 289 __be32 rx_jabber_pkts; /* Rx error jabber packets */ 290 __be32 checksum; /* Checksum */ 291 }; 292 293 /* Get NCSI Statistics */ 294 struct ncsi_rsp_gns_pkt { 295 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 296 __be32 rx_cmds; /* Rx NCSI commands */ 297 __be32 dropped_cmds; /* Dropped commands */ 298 __be32 cmd_type_errs; /* Command type errors */ 299 __be32 cmd_csum_errs; /* Command checksum errors */ 300 __be32 rx_pkts; /* Rx NCSI packets */ 301 __be32 tx_pkts; /* Tx NCSI packets */ 302 __be32 tx_aen_pkts; /* Tx AEN packets */ 303 __be32 checksum; /* Checksum */ 304 }; 305 306 /* Get NCSI Pass-through Statistics */ 307 struct ncsi_rsp_gnpts_pkt { 308 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 309 __be32 tx_pkts; /* Tx packets */ 310 __be32 tx_dropped; /* Tx dropped packets */ 311 __be32 tx_channel_err; /* Tx channel errors */ 312 __be32 tx_us_err; /* Tx undersize errors */ 313 __be32 rx_pkts; /* Rx packets */ 314 __be32 rx_dropped; /* Rx dropped packets */ 315 __be32 rx_channel_err; /* Rx channel errors */ 316 __be32 rx_us_err; /* Rx undersize errors */ 317 __be32 rx_os_err; /* Rx oversize errors */ 318 __be32 checksum; /* Checksum */ 319 }; 320 321 /* Get package status */ 322 struct ncsi_rsp_gps_pkt { 323 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 324 __be32 status; /* Hardware arbitration status */ 325 __be32 checksum; 326 }; 327 328 /* Get package UUID */ 329 struct ncsi_rsp_gpuuid_pkt { 330 struct ncsi_rsp_pkt_hdr rsp; /* Response header */ 331 unsigned char uuid[16]; /* UUID */ 332 __be32 checksum; 333 }; 334 335 /* AEN: Link State Change */ 336 struct ncsi_aen_lsc_pkt { 337 struct ncsi_aen_pkt_hdr aen; /* AEN header */ 338 __be32 status; /* Link status */ 339 __be32 oem_status; /* OEM link status */ 340 __be32 checksum; /* Checksum */ 341 unsigned char pad[14]; 342 }; 343 344 /* AEN: Configuration Required */ 345 struct ncsi_aen_cr_pkt { 346 struct ncsi_aen_pkt_hdr aen; /* AEN header */ 347 __be32 checksum; /* Checksum */ 348 unsigned char pad[22]; 349 }; 350 351 /* AEN: Host Network Controller Driver Status Change */ 352 struct ncsi_aen_hncdsc_pkt { 353 struct ncsi_aen_pkt_hdr aen; /* AEN header */ 354 __be32 status; /* Status */ 355 __be32 checksum; /* Checksum */ 356 unsigned char pad[18]; 357 }; 358 359 /* NCSI packet revision */ 360 #define NCSI_PKT_REVISION 0x01 361 362 /* NCSI packet commands */ 363 #define NCSI_PKT_CMD_CIS 0x00 /* Clear Initial State */ 364 #define NCSI_PKT_CMD_SP 0x01 /* Select Package */ 365 #define NCSI_PKT_CMD_DP 0x02 /* Deselect Package */ 366 #define NCSI_PKT_CMD_EC 0x03 /* Enable Channel */ 367 #define NCSI_PKT_CMD_DC 0x04 /* Disable Channel */ 368 #define NCSI_PKT_CMD_RC 0x05 /* Reset Channel */ 369 #define NCSI_PKT_CMD_ECNT 0x06 /* Enable Channel Network Tx */ 370 #define NCSI_PKT_CMD_DCNT 0x07 /* Disable Channel Network Tx */ 371 #define NCSI_PKT_CMD_AE 0x08 /* AEN Enable */ 372 #define NCSI_PKT_CMD_SL 0x09 /* Set Link */ 373 #define NCSI_PKT_CMD_GLS 0x0a /* Get Link */ 374 #define NCSI_PKT_CMD_SVF 0x0b /* Set VLAN Filter */ 375 #define NCSI_PKT_CMD_EV 0x0c /* Enable VLAN */ 376 #define NCSI_PKT_CMD_DV 0x0d /* Disable VLAN */ 377 #define NCSI_PKT_CMD_SMA 0x0e /* Set MAC address */ 378 #define NCSI_PKT_CMD_EBF 0x10 /* Enable Broadcast Filter */ 379 #define NCSI_PKT_CMD_DBF 0x11 /* Disable Broadcast Filter */ 380 #define NCSI_PKT_CMD_EGMF 0x12 /* Enable Global Multicast Filter */ 381 #define NCSI_PKT_CMD_DGMF 0x13 /* Disable Global Multicast Filter */ 382 #define NCSI_PKT_CMD_SNFC 0x14 /* Set NCSI Flow Control */ 383 #define NCSI_PKT_CMD_GVI 0x15 /* Get Version ID */ 384 #define NCSI_PKT_CMD_GC 0x16 /* Get Capabilities */ 385 #define NCSI_PKT_CMD_GP 0x17 /* Get Parameters */ 386 #define NCSI_PKT_CMD_GCPS 0x18 /* Get Controller Packet Statistics */ 387 #define NCSI_PKT_CMD_GNS 0x19 /* Get NCSI Statistics */ 388 #define NCSI_PKT_CMD_GNPTS 0x1a /* Get NCSI Pass-throu Statistics */ 389 #define NCSI_PKT_CMD_GPS 0x1b /* Get package status */ 390 #define NCSI_PKT_CMD_OEM 0x50 /* OEM */ 391 #define NCSI_PKT_CMD_PLDM 0x51 /* PLDM request over NCSI over RBT */ 392 #define NCSI_PKT_CMD_GPUUID 0x52 /* Get package UUID */ 393 394 /* NCSI packet responses */ 395 #define NCSI_PKT_RSP_CIS (NCSI_PKT_CMD_CIS + 0x80) 396 #define NCSI_PKT_RSP_SP (NCSI_PKT_CMD_SP + 0x80) 397 #define NCSI_PKT_RSP_DP (NCSI_PKT_CMD_DP + 0x80) 398 #define NCSI_PKT_RSP_EC (NCSI_PKT_CMD_EC + 0x80) 399 #define NCSI_PKT_RSP_DC (NCSI_PKT_CMD_DC + 0x80) 400 #define NCSI_PKT_RSP_RC (NCSI_PKT_CMD_RC + 0x80) 401 #define NCSI_PKT_RSP_ECNT (NCSI_PKT_CMD_ECNT + 0x80) 402 #define NCSI_PKT_RSP_DCNT (NCSI_PKT_CMD_DCNT + 0x80) 403 #define NCSI_PKT_RSP_AE (NCSI_PKT_CMD_AE + 0x80) 404 #define NCSI_PKT_RSP_SL (NCSI_PKT_CMD_SL + 0x80) 405 #define NCSI_PKT_RSP_GLS (NCSI_PKT_CMD_GLS + 0x80) 406 #define NCSI_PKT_RSP_SVF (NCSI_PKT_CMD_SVF + 0x80) 407 #define NCSI_PKT_RSP_EV (NCSI_PKT_CMD_EV + 0x80) 408 #define NCSI_PKT_RSP_DV (NCSI_PKT_CMD_DV + 0x80) 409 #define NCSI_PKT_RSP_SMA (NCSI_PKT_CMD_SMA + 0x80) 410 #define NCSI_PKT_RSP_EBF (NCSI_PKT_CMD_EBF + 0x80) 411 #define NCSI_PKT_RSP_DBF (NCSI_PKT_CMD_DBF + 0x80) 412 #define NCSI_PKT_RSP_EGMF (NCSI_PKT_CMD_EGMF + 0x80) 413 #define NCSI_PKT_RSP_DGMF (NCSI_PKT_CMD_DGMF + 0x80) 414 #define NCSI_PKT_RSP_SNFC (NCSI_PKT_CMD_SNFC + 0x80) 415 #define NCSI_PKT_RSP_GVI (NCSI_PKT_CMD_GVI + 0x80) 416 #define NCSI_PKT_RSP_GC (NCSI_PKT_CMD_GC + 0x80) 417 #define NCSI_PKT_RSP_GP (NCSI_PKT_CMD_GP + 0x80) 418 #define NCSI_PKT_RSP_GCPS (NCSI_PKT_CMD_GCPS + 0x80) 419 #define NCSI_PKT_RSP_GNS (NCSI_PKT_CMD_GNS + 0x80) 420 #define NCSI_PKT_RSP_GNPTS (NCSI_PKT_CMD_GNPTS + 0x80) 421 #define NCSI_PKT_RSP_GPS (NCSI_PKT_CMD_GPS + 0x80) 422 #define NCSI_PKT_RSP_OEM (NCSI_PKT_CMD_OEM + 0x80) 423 #define NCSI_PKT_RSP_PLDM (NCSI_PKT_CMD_PLDM + 0x80) 424 #define NCSI_PKT_RSP_GPUUID (NCSI_PKT_CMD_GPUUID + 0x80) 425 426 /* NCSI response code/reason */ 427 #define NCSI_PKT_RSP_C_COMPLETED 0x0000 /* Command Completed */ 428 #define NCSI_PKT_RSP_C_FAILED 0x0001 /* Command Failed */ 429 #define NCSI_PKT_RSP_C_UNAVAILABLE 0x0002 /* Command Unavailable */ 430 #define NCSI_PKT_RSP_C_UNSUPPORTED 0x0003 /* Command Unsupported */ 431 #define NCSI_PKT_RSP_R_NO_ERROR 0x0000 /* No Error */ 432 #define NCSI_PKT_RSP_R_INTERFACE 0x0001 /* Interface not ready */ 433 #define NCSI_PKT_RSP_R_PARAM 0x0002 /* Invalid Parameter */ 434 #define NCSI_PKT_RSP_R_CHANNEL 0x0003 /* Channel not Ready */ 435 #define NCSI_PKT_RSP_R_PACKAGE 0x0004 /* Package not Ready */ 436 #define NCSI_PKT_RSP_R_LENGTH 0x0005 /* Invalid payload length */ 437 #define NCSI_PKT_RSP_R_UNKNOWN 0x7fff /* Command type unsupported */ 438 439 /* NCSI AEN packet type */ 440 #define NCSI_PKT_AEN 0xFF /* AEN Packet */ 441 #define NCSI_PKT_AEN_LSC 0x00 /* Link status change */ 442 #define NCSI_PKT_AEN_CR 0x01 /* Configuration required */ 443 #define NCSI_PKT_AEN_HNCDSC 0x02 /* HNC driver status change */ 444 445 #endif /* NCSI_PKT_H */ 446