1 #ifndef _OPA_VNIC_ENCAP_H 2 #define _OPA_VNIC_ENCAP_H 3 /* 4 * Copyright(c) 2017 Intel Corporation. 5 * 6 * This file is provided under a dual BSD/GPLv2 license. When using or 7 * redistributing this file, you may do so under either license. 8 * 9 * GPL LICENSE SUMMARY 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * BSD LICENSE 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 26 * - Redistributions of source code must retain the above copyright 27 * notice, this list of conditions and the following disclaimer. 28 * - Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in 30 * the documentation and/or other materials provided with the 31 * distribution. 32 * - Neither the name of Intel Corporation nor the names of its 33 * contributors may be used to endorse or promote products derived 34 * from this software without specific prior written permission. 35 * 36 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 37 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 38 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 39 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 40 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 42 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 43 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 44 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 45 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 46 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 47 * 48 */ 49 50 /* 51 * This file contains all OPA VNIC declaration required for encapsulation 52 * and decapsulation of Ethernet packets 53 */ 54 55 #include <linux/types.h> 56 #include <rdma/ib_mad.h> 57 58 /* EMA class version */ 59 #define OPA_EMA_CLASS_VERSION 0x80 60 61 /* 62 * Define the Intel vendor management class for OPA 63 * ETHERNET MANAGEMENT 64 */ 65 #define OPA_MGMT_CLASS_INTEL_EMA 0x34 66 67 /* EM attribute IDs */ 68 #define OPA_EM_ATTR_CLASS_PORT_INFO 0x0001 69 #define OPA_EM_ATTR_VESWPORT_INFO 0x0011 70 #define OPA_EM_ATTR_VESWPORT_MAC_ENTRIES 0x0012 71 #define OPA_EM_ATTR_IFACE_UCAST_MACS 0x0013 72 #define OPA_EM_ATTR_IFACE_MCAST_MACS 0x0014 73 #define OPA_EM_ATTR_DELETE_VESW 0x0015 74 #define OPA_EM_ATTR_VESWPORT_SUMMARY_COUNTERS 0x0020 75 #define OPA_EM_ATTR_VESWPORT_ERROR_COUNTERS 0x0022 76 77 /* VNIC configured and operational state values */ 78 #define OPA_VNIC_STATE_DROP_ALL 0x1 79 #define OPA_VNIC_STATE_FORWARDING 0x3 80 81 #define OPA_VESW_MAX_NUM_DEF_PORT 16 82 #define OPA_VNIC_MAX_NUM_PCP 8 83 84 #define OPA_VNIC_EMA_DATA (OPA_MGMT_MAD_SIZE - IB_MGMT_VENDOR_HDR) 85 86 /* Defines for vendor specific notice(trap) attributes */ 87 #define OPA_INTEL_EMA_NOTICE_TYPE_INFO 0x04 88 89 /* INTEL OUI */ 90 #define INTEL_OUI_1 0x00 91 #define INTEL_OUI_2 0x06 92 #define INTEL_OUI_3 0x6a 93 94 /* Trap opcodes sent from VNIC */ 95 #define OPA_VESWPORT_TRAP_IFACE_UCAST_MAC_CHANGE 0x1 96 #define OPA_VESWPORT_TRAP_IFACE_MCAST_MAC_CHANGE 0x2 97 #define OPA_VESWPORT_TRAP_ETH_LINK_STATUS_CHANGE 0x3 98 99 #define OPA_VNIC_DLID_SD_IS_SRC_MAC(dlid_sd) (!!((dlid_sd) & 0x20)) 100 #define OPA_VNIC_DLID_SD_GET_DLID(dlid_sd) ((dlid_sd) >> 8) 101 102 /* VNIC Ethernet link status */ 103 #define OPA_VNIC_ETH_LINK_UP 1 104 #define OPA_VNIC_ETH_LINK_DOWN 2 105 106 /** 107 * struct opa_vesw_info - OPA vnic switch information 108 * @fabric_id: 10-bit fabric id 109 * @vesw_id: 12-bit virtual ethernet switch id 110 * @def_port_mask: bitmask of default ports 111 * @pkey: partition key 112 * @u_mcast_dlid: unknown multicast dlid 113 * @u_ucast_dlid: array of unknown unicast dlids 114 * @eth_mtu: MTUs for each vlan PCP 115 * @eth_mtu_non_vlan: MTU for non vlan packets 116 */ 117 struct opa_vesw_info { 118 __be16 fabric_id; 119 __be16 vesw_id; 120 121 u8 rsvd0[6]; 122 __be16 def_port_mask; 123 124 u8 rsvd1[2]; 125 __be16 pkey; 126 127 u8 rsvd2[4]; 128 __be32 u_mcast_dlid; 129 __be32 u_ucast_dlid[OPA_VESW_MAX_NUM_DEF_PORT]; 130 131 u8 rsvd3[44]; 132 __be16 eth_mtu[OPA_VNIC_MAX_NUM_PCP]; 133 __be16 eth_mtu_non_vlan; 134 u8 rsvd4[2]; 135 } __packed; 136 137 /** 138 * struct opa_per_veswport_info - OPA vnic per port information 139 * @port_num: port number 140 * @eth_link_status: current ethernet link state 141 * @base_mac_addr: base mac address 142 * @config_state: configured port state 143 * @oper_state: operational port state 144 * @max_mac_tbl_ent: max number of mac table entries 145 * @max_smac_ent: max smac entries in mac table 146 * @mac_tbl_digest: mac table digest 147 * @encap_slid: base slid for the port 148 * @pcp_to_sc_uc: sc by pcp index for unicast ethernet packets 149 * @pcp_to_vl_uc: vl by pcp index for unicast ethernet packets 150 * @pcp_to_sc_mc: sc by pcp index for multicast ethernet packets 151 * @pcp_to_vl_mc: vl by pcp index for multicast ethernet packets 152 * @non_vlan_sc_uc: sc for non-vlan unicast ethernet packets 153 * @non_vlan_vl_uc: vl for non-vlan unicast ethernet packets 154 * @non_vlan_sc_mc: sc for non-vlan multicast ethernet packets 155 * @non_vlan_vl_mc: vl for non-vlan multicast ethernet packets 156 * @uc_macs_gen_count: generation count for unicast macs list 157 * @mc_macs_gen_count: generation count for multicast macs list 158 */ 159 struct opa_per_veswport_info { 160 __be32 port_num; 161 162 u8 eth_link_status; 163 u8 rsvd0[3]; 164 165 u8 base_mac_addr[ETH_ALEN]; 166 u8 config_state; 167 u8 oper_state; 168 169 __be16 max_mac_tbl_ent; 170 __be16 max_smac_ent; 171 __be32 mac_tbl_digest; 172 u8 rsvd1[4]; 173 174 __be32 encap_slid; 175 176 u8 pcp_to_sc_uc[OPA_VNIC_MAX_NUM_PCP]; 177 u8 pcp_to_vl_uc[OPA_VNIC_MAX_NUM_PCP]; 178 u8 pcp_to_sc_mc[OPA_VNIC_MAX_NUM_PCP]; 179 u8 pcp_to_vl_mc[OPA_VNIC_MAX_NUM_PCP]; 180 181 u8 non_vlan_sc_uc; 182 u8 non_vlan_vl_uc; 183 u8 non_vlan_sc_mc; 184 u8 non_vlan_vl_mc; 185 186 u8 rsvd2[48]; 187 188 __be16 uc_macs_gen_count; 189 __be16 mc_macs_gen_count; 190 191 u8 rsvd3[8]; 192 } __packed; 193 194 /** 195 * struct opa_veswport_info - OPA vnic port information 196 * @vesw: OPA vnic switch information 197 * @vport: OPA vnic per port information 198 * 199 * On host, each of the virtual ethernet ports belongs 200 * to a different virtual ethernet switches. 201 */ 202 struct opa_veswport_info { 203 struct opa_vesw_info vesw; 204 struct opa_per_veswport_info vport; 205 }; 206 207 /** 208 * struct opa_veswport_mactable_entry - single entry in the forwarding table 209 * @mac_addr: MAC address 210 * @mac_addr_mask: MAC address bit mask 211 * @dlid_sd: Matching DLID and side data 212 * 213 * On the host each virtual ethernet port will have 214 * a forwarding table. These tables are used to 215 * map a MAC to a LID and other data. For more 216 * details see struct opa_veswport_mactable_entries. 217 * This is the structure of a single mactable entry 218 */ 219 struct opa_veswport_mactable_entry { 220 u8 mac_addr[ETH_ALEN]; 221 u8 mac_addr_mask[ETH_ALEN]; 222 __be32 dlid_sd; 223 } __packed; 224 225 /** 226 * struct opa_veswport_mactable - Forwarding table array 227 * @offset: mac table starting offset 228 * @num_entries: Number of entries to get or set 229 * @mac_tbl_digest: mac table digest 230 * @tbl_entries[]: Array of table entries 231 * 232 * The EM sends down this structure in a MAD indicating 233 * the starting offset in the forwarding table that this 234 * entry is to be loaded into and the number of entries 235 * that that this MAD instance contains 236 * The mac_tbl_digest has been added to this MAD structure. It will be set by 237 * the EM and it will be used by the EM to check if there are any 238 * discrepancies with this value and the value 239 * maintained by the EM in the case of VNIC port being deleted or unloaded 240 * A new instantiation of a VNIC will always have a value of zero. 241 * This value is stored as part of the vnic adapter structure and will be 242 * accessed by the GET and SET routines for both the mactable entries and the 243 * veswport info. 244 */ 245 struct opa_veswport_mactable { 246 __be16 offset; 247 __be16 num_entries; 248 __be32 mac_tbl_digest; 249 struct opa_veswport_mactable_entry tbl_entries[0]; 250 } __packed; 251 252 /** 253 * struct opa_veswport_summary_counters - summary counters 254 * @vp_instance: vport instance on the OPA port 255 * @vesw_id: virtual ethernet switch id 256 * @veswport_num: virtual ethernet switch port number 257 * @tx_errors: transmit errors 258 * @rx_errors: receive errors 259 * @tx_packets: transmit packets 260 * @rx_packets: receive packets 261 * @tx_bytes: transmit bytes 262 * @rx_bytes: receive bytes 263 * @tx_unicast: unicast packets transmitted 264 * @tx_mcastbcast: multicast/broadcast packets transmitted 265 * @tx_untagged: non-vlan packets transmitted 266 * @tx_vlan: vlan packets transmitted 267 * @tx_64_size: transmit packet length is 64 bytes 268 * @tx_65_127: transmit packet length is >=65 and < 127 bytes 269 * @tx_128_255: transmit packet length is >=128 and < 255 bytes 270 * @tx_256_511: transmit packet length is >=256 and < 511 bytes 271 * @tx_512_1023: transmit packet length is >=512 and < 1023 bytes 272 * @tx_1024_1518: transmit packet length is >=1024 and < 1518 bytes 273 * @tx_1519_max: transmit packet length >= 1519 bytes 274 * @rx_unicast: unicast packets received 275 * @rx_mcastbcast: multicast/broadcast packets received 276 * @rx_untagged: non-vlan packets received 277 * @rx_vlan: vlan packets received 278 * @rx_64_size: received packet length is 64 bytes 279 * @rx_65_127: received packet length is >=65 and < 127 bytes 280 * @rx_128_255: received packet length is >=128 and < 255 bytes 281 * @rx_256_511: received packet length is >=256 and < 511 bytes 282 * @rx_512_1023: received packet length is >=512 and < 1023 bytes 283 * @rx_1024_1518: received packet length is >=1024 and < 1518 bytes 284 * @rx_1519_max: received packet length >= 1519 bytes 285 * 286 * All the above are counters of corresponding conditions. 287 */ 288 struct opa_veswport_summary_counters { 289 __be16 vp_instance; 290 __be16 vesw_id; 291 __be32 veswport_num; 292 293 __be64 tx_errors; 294 __be64 rx_errors; 295 __be64 tx_packets; 296 __be64 rx_packets; 297 __be64 tx_bytes; 298 __be64 rx_bytes; 299 300 __be64 tx_unicast; 301 __be64 tx_mcastbcast; 302 303 __be64 tx_untagged; 304 __be64 tx_vlan; 305 306 __be64 tx_64_size; 307 __be64 tx_65_127; 308 __be64 tx_128_255; 309 __be64 tx_256_511; 310 __be64 tx_512_1023; 311 __be64 tx_1024_1518; 312 __be64 tx_1519_max; 313 314 __be64 rx_unicast; 315 __be64 rx_mcastbcast; 316 317 __be64 rx_untagged; 318 __be64 rx_vlan; 319 320 __be64 rx_64_size; 321 __be64 rx_65_127; 322 __be64 rx_128_255; 323 __be64 rx_256_511; 324 __be64 rx_512_1023; 325 __be64 rx_1024_1518; 326 __be64 rx_1519_max; 327 328 __be64 reserved[16]; 329 } __packed; 330 331 /** 332 * struct opa_veswport_error_counters - error counters 333 * @vp_instance: vport instance on the OPA port 334 * @vesw_id: virtual ethernet switch id 335 * @veswport_num: virtual ethernet switch port number 336 * @tx_errors: transmit errors 337 * @rx_errors: receive errors 338 * @tx_smac_filt: smac filter errors 339 * @tx_dlid_zero: transmit packets with invalid dlid 340 * @tx_logic: other transmit errors 341 * @tx_drop_state: packet tansmission in non-forward port state 342 * @rx_bad_veswid: received packet with invalid vesw id 343 * @rx_runt: received ethernet packet with length < 64 bytes 344 * @rx_oversize: received ethernet packet with length > MTU size 345 * @rx_eth_down: received packets when interface is down 346 * @rx_drop_state: received packets in non-forwarding port state 347 * @rx_logic: other receive errors 348 * 349 * All the above are counters of corresponding erorr conditions. 350 */ 351 struct opa_veswport_error_counters { 352 __be16 vp_instance; 353 __be16 vesw_id; 354 __be32 veswport_num; 355 356 __be64 tx_errors; 357 __be64 rx_errors; 358 359 __be64 rsvd0; 360 __be64 tx_smac_filt; 361 __be64 rsvd1; 362 __be64 rsvd2; 363 __be64 rsvd3; 364 __be64 tx_dlid_zero; 365 __be64 rsvd4; 366 __be64 tx_logic; 367 __be64 rsvd5; 368 __be64 tx_drop_state; 369 370 __be64 rx_bad_veswid; 371 __be64 rsvd6; 372 __be64 rx_runt; 373 __be64 rx_oversize; 374 __be64 rsvd7; 375 __be64 rx_eth_down; 376 __be64 rx_drop_state; 377 __be64 rx_logic; 378 __be64 rsvd8; 379 380 __be64 rsvd9[16]; 381 } __packed; 382 383 /** 384 * struct opa_veswport_trap - Trap message sent to EM by VNIC 385 * @fabric_id: 10 bit fabric id 386 * @veswid: 12 bit virtual ethernet switch id 387 * @veswportnum: logical port number on the Virtual switch 388 * @opaportnum: physical port num (redundant on host) 389 * @veswportindex: switch port index on opa port 0 based 390 * @opcode: operation 391 * @reserved: 32 bit for alignment 392 * 393 * The VNIC will send trap messages to the Ethernet manager to 394 * inform it about changes to the VNIC config, behaviour etc. 395 * This is the format of the trap payload. 396 */ 397 struct opa_veswport_trap { 398 __be16 fabric_id; 399 __be16 veswid; 400 __be32 veswportnum; 401 __be16 opaportnum; 402 u8 veswportindex; 403 u8 opcode; 404 __be32 reserved; 405 } __packed; 406 407 /** 408 * struct opa_vnic_iface_macs_entry - single entry in the mac list 409 * @mac_addr: MAC address 410 */ 411 struct opa_vnic_iface_mac_entry { 412 u8 mac_addr[ETH_ALEN]; 413 }; 414 415 /** 416 * struct opa_veswport_iface_macs - Msg to set globally administered MAC 417 * @start_idx: position of first entry (0 based) 418 * @num_macs_in_msg: number of MACs in this message 419 * @tot_macs_in_lst: The total number of MACs the agent has 420 * @gen_count: gen_count to indicate change 421 * @entry: The mac list entry 422 * 423 * Same attribute IDS and attribute modifiers as in locally administered 424 * addresses used to set globally administered addresses 425 */ 426 struct opa_veswport_iface_macs { 427 __be16 start_idx; 428 __be16 num_macs_in_msg; 429 __be16 tot_macs_in_lst; 430 __be16 gen_count; 431 struct opa_vnic_iface_mac_entry entry[0]; 432 } __packed; 433 434 /** 435 * struct opa_vnic_vema_mad - Generic VEMA MAD 436 * @mad_hdr: Generic MAD header 437 * @rmpp_hdr: RMPP header for vendor specific MADs 438 * @oui: Unique org identifier 439 * @data: MAD data 440 */ 441 struct opa_vnic_vema_mad { 442 struct ib_mad_hdr mad_hdr; 443 struct ib_rmpp_hdr rmpp_hdr; 444 u8 reserved; 445 u8 oui[3]; 446 u8 data[OPA_VNIC_EMA_DATA]; 447 }; 448 449 /** 450 * struct opa_vnic_notice_attr - Generic Notice MAD 451 * @gen_type: Generic/Specific bit and type of notice 452 * @oui_1: Vendor ID byte 1 453 * @oui_2: Vendor ID byte 2 454 * @oui_3: Vendor ID byte 3 455 * @trap_num: Trap number 456 * @toggle_count: Notice toggle bit and count value 457 * @issuer_lid: Trap issuer's lid 458 * @issuer_gid: Issuer GID (only if Report method) 459 * @raw_data: Trap message body 460 */ 461 struct opa_vnic_notice_attr { 462 u8 gen_type; 463 u8 oui_1; 464 u8 oui_2; 465 u8 oui_3; 466 __be16 trap_num; 467 __be16 toggle_count; 468 __be32 issuer_lid; 469 __be32 reserved; 470 u8 issuer_gid[16]; 471 u8 raw_data[64]; 472 } __packed; 473 474 /** 475 * struct opa_vnic_vema_mad_trap - Generic VEMA MAD Trap 476 * @mad_hdr: Generic MAD header 477 * @rmpp_hdr: RMPP header for vendor specific MADs 478 * @oui: Unique org identifier 479 * @notice: Notice structure 480 */ 481 struct opa_vnic_vema_mad_trap { 482 struct ib_mad_hdr mad_hdr; 483 struct ib_rmpp_hdr rmpp_hdr; 484 u8 reserved; 485 u8 oui[3]; 486 struct opa_vnic_notice_attr notice; 487 }; 488 489 #endif /* _OPA_VNIC_ENCAP_H */ 490