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