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/* routing control */ 107#define OPA_VNIC_ENCAP_RC_DEFAULT 0 108#define OPA_VNIC_ENCAP_RC_IPV4 4 109#define OPA_VNIC_ENCAP_RC_IPV4_UDP 8 110#define OPA_VNIC_ENCAP_RC_IPV4_TCP 12 111#define OPA_VNIC_ENCAP_RC_IPV6 16 112#define OPA_VNIC_ENCAP_RC_IPV6_TCP 20 113#define OPA_VNIC_ENCAP_RC_IPV6_UDP 24 114 115#define OPA_VNIC_ENCAP_RC_EXT(w, b) (((w) >> OPA_VNIC_ENCAP_RC_ ## b) & 0x7) 116 117/** 118 * struct opa_vesw_info - OPA vnic switch information 119 * @fabric_id: 10-bit fabric id 120 * @vesw_id: 12-bit virtual ethernet switch id 121 * @rsvd0: reserved bytes 122 * @def_port_mask: bitmask of default ports 123 * @rsvd1: reserved bytes 124 * @pkey: partition key 125 * @rsvd2: reserved bytes 126 * @u_mcast_dlid: unknown multicast dlid 127 * @u_ucast_dlid: array of unknown unicast dlids 128 * @rsvd3: reserved bytes 129 * @rc: routing control 130 * @eth_mtu: Ethernet MTU 131 * @rsvd4: reserved bytes 132 */ 133struct opa_vesw_info { 134 __be16 fabric_id; 135 __be16 vesw_id; 136 137 u8 rsvd0[6]; 138 __be16 def_port_mask; 139 140 u8 rsvd1[2]; 141 __be16 pkey; 142 143 u8 rsvd2[4]; 144 __be32 u_mcast_dlid; 145 __be32 u_ucast_dlid[OPA_VESW_MAX_NUM_DEF_PORT]; 146 147 __be32 rc; 148 149 u8 rsvd3[56]; 150 __be16 eth_mtu; 151 u8 rsvd4[2]; 152} __packed; 153 154/** 155 * struct opa_per_veswport_info - OPA vnic per port information 156 * @port_num: port number 157 * @eth_link_status: current ethernet link state 158 * @rsvd0: reserved bytes 159 * @base_mac_addr: base mac address 160 * @config_state: configured port state 161 * @oper_state: operational port state 162 * @max_mac_tbl_ent: max number of mac table entries 163 * @max_smac_ent: max smac entries in mac table 164 * @mac_tbl_digest: mac table digest 165 * @rsvd1: reserved bytes 166 * @encap_slid: base slid for the port 167 * @pcp_to_sc_uc: sc by pcp index for unicast ethernet packets 168 * @pcp_to_vl_uc: vl by pcp index for unicast ethernet packets 169 * @pcp_to_sc_mc: sc by pcp index for multicast ethernet packets 170 * @pcp_to_vl_mc: vl by pcp index for multicast ethernet packets 171 * @non_vlan_sc_uc: sc for non-vlan unicast ethernet packets 172 * @non_vlan_vl_uc: vl for non-vlan unicast ethernet packets 173 * @non_vlan_sc_mc: sc for non-vlan multicast ethernet packets 174 * @non_vlan_vl_mc: vl for non-vlan multicast ethernet packets 175 * @rsvd2: reserved bytes 176 * @uc_macs_gen_count: generation count for unicast macs list 177 * @mc_macs_gen_count: generation count for multicast macs list 178 * @rsvd3: reserved bytes 179 */ 180struct opa_per_veswport_info { 181 __be32 port_num; 182 183 u8 eth_link_status; 184 u8 rsvd0[3]; 185 186 u8 base_mac_addr[ETH_ALEN]; 187 u8 config_state; 188 u8 oper_state; 189 190 __be16 max_mac_tbl_ent; 191 __be16 max_smac_ent; 192 __be32 mac_tbl_digest; 193 u8 rsvd1[4]; 194 195 __be32 encap_slid; 196 197 u8 pcp_to_sc_uc[OPA_VNIC_MAX_NUM_PCP]; 198 u8 pcp_to_vl_uc[OPA_VNIC_MAX_NUM_PCP]; 199 u8 pcp_to_sc_mc[OPA_VNIC_MAX_NUM_PCP]; 200 u8 pcp_to_vl_mc[OPA_VNIC_MAX_NUM_PCP]; 201 202 u8 non_vlan_sc_uc; 203 u8 non_vlan_vl_uc; 204 u8 non_vlan_sc_mc; 205 u8 non_vlan_vl_mc; 206 207 u8 rsvd2[48]; 208 209 __be16 uc_macs_gen_count; 210 __be16 mc_macs_gen_count; 211 212 u8 rsvd3[8]; 213} __packed; 214 215/** 216 * struct opa_veswport_info - OPA vnic port information 217 * @vesw: OPA vnic switch information 218 * @vport: OPA vnic per port information 219 * 220 * On host, each of the virtual ethernet ports belongs 221 * to a different virtual ethernet switches. 222 */ 223struct opa_veswport_info { 224 struct opa_vesw_info vesw; 225 struct opa_per_veswport_info vport; 226}; 227 228/** 229 * struct opa_veswport_mactable_entry - single entry in the forwarding table 230 * @mac_addr: MAC address 231 * @mac_addr_mask: MAC address bit mask 232 * @dlid_sd: Matching DLID and side data 233 * 234 * On the host each virtual ethernet port will have 235 * a forwarding table. These tables are used to 236 * map a MAC to a LID and other data. For more 237 * details see struct opa_veswport_mactable_entries. 238 * This is the structure of a single mactable entry 239 */ 240struct opa_veswport_mactable_entry { 241 u8 mac_addr[ETH_ALEN]; 242 u8 mac_addr_mask[ETH_ALEN]; 243 __be32 dlid_sd; 244} __packed; 245 246/** 247 * struct opa_veswport_mactable - Forwarding table array 248 * @offset: mac table starting offset 249 * @num_entries: Number of entries to get or set 250 * @mac_tbl_digest: mac table digest 251 * @tbl_entries: Array of table entries 252 * 253 * The EM sends down this structure in a MAD indicating 254 * the starting offset in the forwarding table that this 255 * entry is to be loaded into and the number of entries 256 * that that this MAD instance contains 257 * The mac_tbl_digest has been added to this MAD structure. It will be set by 258 * the EM and it will be used by the EM to check if there are any 259 * discrepancies with this value and the value 260 * maintained by the EM in the case of VNIC port being deleted or unloaded 261 * A new instantiation of a VNIC will always have a value of zero. 262 * This value is stored as part of the vnic adapter structure and will be 263 * accessed by the GET and SET routines for both the mactable entries and the 264 * veswport info. 265 */ 266struct opa_veswport_mactable { 267 __be16 offset; 268 __be16 num_entries; 269 __be32 mac_tbl_digest; 270 struct opa_veswport_mactable_entry tbl_entries[]; 271} __packed; 272 273/** 274 * struct opa_veswport_summary_counters - summary counters 275 * @vp_instance: vport instance on the OPA port 276 * @vesw_id: virtual ethernet switch id 277 * @veswport_num: virtual ethernet switch port number 278 * @tx_errors: transmit errors 279 * @rx_errors: receive errors 280 * @tx_packets: transmit packets 281 * @rx_packets: receive packets 282 * @tx_bytes: transmit bytes 283 * @rx_bytes: receive bytes 284 * @tx_unicast: unicast packets transmitted 285 * @tx_mcastbcast: multicast/broadcast packets transmitted 286 * @tx_untagged: non-vlan packets transmitted 287 * @tx_vlan: vlan packets transmitted 288 * @tx_64_size: transmit packet length is 64 bytes 289 * @tx_65_127: transmit packet length is >=65 and < 127 bytes 290 * @tx_128_255: transmit packet length is >=128 and < 255 bytes 291 * @tx_256_511: transmit packet length is >=256 and < 511 bytes 292 * @tx_512_1023: transmit packet length is >=512 and < 1023 bytes 293 * @tx_1024_1518: transmit packet length is >=1024 and < 1518 bytes 294 * @tx_1519_max: transmit packet length >= 1519 bytes 295 * @rx_unicast: unicast packets received 296 * @rx_mcastbcast: multicast/broadcast packets received 297 * @rx_untagged: non-vlan packets received 298 * @rx_vlan: vlan packets received 299 * @rx_64_size: received packet length is 64 bytes 300 * @rx_65_127: received packet length is >=65 and < 127 bytes 301 * @rx_128_255: received packet length is >=128 and < 255 bytes 302 * @rx_256_511: received packet length is >=256 and < 511 bytes 303 * @rx_512_1023: received packet length is >=512 and < 1023 bytes 304 * @rx_1024_1518: received packet length is >=1024 and < 1518 bytes 305 * @rx_1519_max: received packet length >= 1519 bytes 306 * @reserved: reserved bytes 307 * 308 * All the above are counters of corresponding conditions. 309 */ 310struct opa_veswport_summary_counters { 311 __be16 vp_instance; 312 __be16 vesw_id; 313 __be32 veswport_num; 314 315 __be64 tx_errors; 316 __be64 rx_errors; 317 __be64 tx_packets; 318 __be64 rx_packets; 319 __be64 tx_bytes; 320 __be64 rx_bytes; 321 322 __be64 tx_unicast; 323 __be64 tx_mcastbcast; 324 325 __be64 tx_untagged; 326 __be64 tx_vlan; 327 328 __be64 tx_64_size; 329 __be64 tx_65_127; 330 __be64 tx_128_255; 331 __be64 tx_256_511; 332 __be64 tx_512_1023; 333 __be64 tx_1024_1518; 334 __be64 tx_1519_max; 335 336 __be64 rx_unicast; 337 __be64 rx_mcastbcast; 338 339 __be64 rx_untagged; 340 __be64 rx_vlan; 341 342 __be64 rx_64_size; 343 __be64 rx_65_127; 344 __be64 rx_128_255; 345 __be64 rx_256_511; 346 __be64 rx_512_1023; 347 __be64 rx_1024_1518; 348 __be64 rx_1519_max; 349 350 __be64 reserved[16]; 351} __packed; 352 353/** 354 * struct opa_veswport_error_counters - error counters 355 * @vp_instance: vport instance on the OPA port 356 * @vesw_id: virtual ethernet switch id 357 * @veswport_num: virtual ethernet switch port number 358 * @tx_errors: transmit errors 359 * @rx_errors: receive errors 360 * @rsvd0: reserved bytes 361 * @tx_smac_filt: smac filter errors 362 * @rsvd1: reserved bytes 363 * @rsvd2: reserved bytes 364 * @rsvd3: reserved bytes 365 * @tx_dlid_zero: transmit packets with invalid dlid 366 * @rsvd4: reserved bytes 367 * @tx_logic: other transmit errors 368 * @rsvd5: reserved bytes 369 * @tx_drop_state: packet tansmission in non-forward port state 370 * @rx_bad_veswid: received packet with invalid vesw id 371 * @rsvd6: reserved bytes 372 * @rx_runt: received ethernet packet with length < 64 bytes 373 * @rx_oversize: received ethernet packet with length > MTU size 374 * @rsvd7: reserved bytes 375 * @rx_eth_down: received packets when interface is down 376 * @rx_drop_state: received packets in non-forwarding port state 377 * @rx_logic: other receive errors 378 * @rsvd8: reserved bytes 379 * @rsvd9: reserved bytes 380 * 381 * All the above are counters of corresponding error conditions. 382 */ 383struct opa_veswport_error_counters { 384 __be16 vp_instance; 385 __be16 vesw_id; 386 __be32 veswport_num; 387 388 __be64 tx_errors; 389 __be64 rx_errors; 390 391 __be64 rsvd0; 392 __be64 tx_smac_filt; 393 __be64 rsvd1; 394 __be64 rsvd2; 395 __be64 rsvd3; 396 __be64 tx_dlid_zero; 397 __be64 rsvd4; 398 __be64 tx_logic; 399 __be64 rsvd5; 400 __be64 tx_drop_state; 401 402 __be64 rx_bad_veswid; 403 __be64 rsvd6; 404 __be64 rx_runt; 405 __be64 rx_oversize; 406 __be64 rsvd7; 407 __be64 rx_eth_down; 408 __be64 rx_drop_state; 409 __be64 rx_logic; 410 __be64 rsvd8; 411 412 __be64 rsvd9[16]; 413} __packed; 414 415/** 416 * struct opa_veswport_trap - Trap message sent to EM by VNIC 417 * @fabric_id: 10 bit fabric id 418 * @veswid: 12 bit virtual ethernet switch id 419 * @veswportnum: logical port number on the Virtual switch 420 * @opaportnum: physical port num (redundant on host) 421 * @veswportindex: switch port index on opa port 0 based 422 * @opcode: operation 423 * @reserved: 32 bit for alignment 424 * 425 * The VNIC will send trap messages to the Ethernet manager to 426 * inform it about changes to the VNIC config, behaviour etc. 427 * This is the format of the trap payload. 428 */ 429struct opa_veswport_trap { 430 __be16 fabric_id; 431 __be16 veswid; 432 __be32 veswportnum; 433 __be16 opaportnum; 434 u8 veswportindex; 435 u8 opcode; 436 __be32 reserved; 437} __packed; 438 439/** 440 * struct opa_vnic_iface_mac_entry - single entry in the mac list 441 * @mac_addr: MAC address 442 */ 443struct opa_vnic_iface_mac_entry { 444 u8 mac_addr[ETH_ALEN]; 445}; 446 447/** 448 * struct opa_veswport_iface_macs - Msg to set globally administered MAC 449 * @start_idx: position of first entry (0 based) 450 * @num_macs_in_msg: number of MACs in this message 451 * @tot_macs_in_lst: The total number of MACs the agent has 452 * @gen_count: gen_count to indicate change 453 * @entry: The mac list entry 454 * 455 * Same attribute IDS and attribute modifiers as in locally administered 456 * addresses used to set globally administered addresses 457 */ 458struct opa_veswport_iface_macs { 459 __be16 start_idx; 460 __be16 num_macs_in_msg; 461 __be16 tot_macs_in_lst; 462 __be16 gen_count; 463 struct opa_vnic_iface_mac_entry entry[]; 464} __packed; 465 466/** 467 * struct opa_vnic_vema_mad - Generic VEMA MAD 468 * @mad_hdr: Generic MAD header 469 * @rmpp_hdr: RMPP header for vendor specific MADs 470 * @reserved: reserved bytes 471 * @oui: Unique org identifier 472 * @data: MAD data 473 */ 474struct opa_vnic_vema_mad { 475 struct ib_mad_hdr mad_hdr; 476 struct ib_rmpp_hdr rmpp_hdr; 477 u8 reserved; 478 u8 oui[3]; 479 u8 data[OPA_VNIC_EMA_DATA]; 480}; 481 482/** 483 * struct opa_vnic_notice_attr - Generic Notice MAD 484 * @gen_type: Generic/Specific bit and type of notice 485 * @oui_1: Vendor ID byte 1 486 * @oui_2: Vendor ID byte 2 487 * @oui_3: Vendor ID byte 3 488 * @trap_num: Trap number 489 * @toggle_count: Notice toggle bit and count value 490 * @issuer_lid: Trap issuer's lid 491 * @reserved: reserved bytes 492 * @issuer_gid: Issuer GID (only if Report method) 493 * @raw_data: Trap message body 494 */ 495struct opa_vnic_notice_attr { 496 u8 gen_type; 497 u8 oui_1; 498 u8 oui_2; 499 u8 oui_3; 500 __be16 trap_num; 501 __be16 toggle_count; 502 __be32 issuer_lid; 503 __be32 reserved; 504 u8 issuer_gid[16]; 505 u8 raw_data[64]; 506} __packed; 507 508/** 509 * struct opa_vnic_vema_mad_trap - Generic VEMA MAD Trap 510 * @mad_hdr: Generic MAD header 511 * @rmpp_hdr: RMPP header for vendor specific MADs 512 * @reserved: reserved bytes 513 * @oui: Unique org identifier 514 * @notice: Notice structure 515 */ 516struct opa_vnic_vema_mad_trap { 517 struct ib_mad_hdr mad_hdr; 518 struct ib_rmpp_hdr rmpp_hdr; 519 u8 reserved; 520 u8 oui[3]; 521 struct opa_vnic_notice_attr notice; 522}; 523 524#endif /* _OPA_VNIC_ENCAP_H */ 525