drivers/net/ethernet/ibm/ibmvnic.h

   1 /**************************************************************************/
   2 /*                                                                        */
   3 /*  IBM System i and System p Virtual NIC Device Driver                   */
   4 /*  Copyright (C) 2014 IBM Corp.                                          */
   5 /*  Santiago Leon (santi_leon@yahoo.com)                                  */
   6 /*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
   7 /*  John Allen (jallen@linux.vnet.ibm.com)                                */
   8 /*                                                                        */
   9 /*  This program is free software; you can redistribute it and/or modify  */
  10 /*  it under the terms of the GNU General Public License as published by  */
  11 /*  the Free Software Foundation; either version 2 of the License, or     */
  12 /*  (at your option) any later version.                                   */
  13 /*                                                                        */
  14 /*  This program is distributed in the hope that it will be useful,       */
  15 /*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
  16 /*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
  17 /*  GNU General Public License for more details.                          */
  18 /*                                                                        */
  19 /*  You should have received a copy of the GNU General Public License     */
  20 /*  along with this program.                                              */
  21 /*                                                                        */
  22 /* This module contains the implementation of a virtual ethernet device   */
  23 /* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
  24 /* option of the RS/6000 Platform Architecture to interface with virtual */
  25 /* ethernet NICs that are presented to the partition by the hypervisor.   */
  26 /*                                                                        */
  27 /**************************************************************************/
  28
  29 #define IBMVNIC_NAME            "ibmvnic"
  30 #define IBMVNIC_DRIVER_VERSION  "1.0.1"
  31 #define IBMVNIC_INVALID_MAP     -1
  32 #define IBMVNIC_STATS_TIMEOUT   1
  33 /* basic structures plus 100 2k buffers */
  34 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT  610305
  35
  36 /* Initial module_parameters */
  37 #define IBMVNIC_RX_WEIGHT               16
  38 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
  39 #define IBMVNIC_BUFFS_PER_POOL  100
  40 #define IBMVNIC_MAX_TX_QUEUES   5
  41
  42 struct ibmvnic_login_buffer {
  43         __be32 len;
  44         __be32 version;
  45 #define INITIAL_VERSION_LB 1
  46         __be32 num_txcomp_subcrqs;
  47         __be32 off_txcomp_subcrqs;
  48         __be32 num_rxcomp_subcrqs;
  49         __be32 off_rxcomp_subcrqs;
  50         __be32 login_rsp_ioba;
  51         __be32 login_rsp_len;
  52 } __packed __aligned(8);
  53
  54 struct ibmvnic_login_rsp_buffer {
  55         __be32 len;
  56         __be32 version;
  57 #define INITIAL_VERSION_LRB 1
  58         __be32 num_txsubm_subcrqs;
  59         __be32 off_txsubm_subcrqs;
  60         __be32 num_rxadd_subcrqs;
  61         __be32 off_rxadd_subcrqs;
  62         __be32 off_rxadd_buff_size;
  63         __be32 num_supp_tx_desc;
  64         __be32 off_supp_tx_desc;
  65 } __packed __aligned(8);
  66
  67 struct ibmvnic_query_ip_offload_buffer {
  68         __be32 len;
  69         __be32 version;
  70 #define INITIAL_VERSION_IOB 1
  71         u8 ipv4_chksum;
  72         u8 ipv6_chksum;
  73         u8 tcp_ipv4_chksum;
  74         u8 tcp_ipv6_chksum;
  75         u8 udp_ipv4_chksum;
  76         u8 udp_ipv6_chksum;
  77         u8 large_tx_ipv4;
  78         u8 large_tx_ipv6;
  79         u8 large_rx_ipv4;
  80         u8 large_rx_ipv6;
  81         u8 reserved1[14];
  82         __be16 max_ipv4_header_size;
  83         __be16 max_ipv6_header_size;
  84         __be16 max_tcp_header_size;
  85         __be16 max_udp_header_size;
  86         __be32 max_large_tx_size;
  87         __be32 max_large_rx_size;
  88         u8 reserved2[16];
  89         u8 ipv6_extension_header;
  90 #define IPV6_EH_NOT_SUPPORTED   0x00
  91 #define IPV6_EH_SUPPORTED_LIM   0x01
  92 #define IPV6_EH_SUPPORTED       0xFF
  93         u8 tcp_pseudosum_req;
  94 #define TCP_PS_NOT_REQUIRED     0x00
  95 #define TCP_PS_REQUIRED         0x01
  96         u8 reserved3[30];
  97         __be16 num_ipv6_ext_headers;
  98         __be32 off_ipv6_ext_headers;
  99         u8 reserved4[154];
 100 } __packed __aligned(8);
 101
 102 struct ibmvnic_control_ip_offload_buffer {
 103         __be32 len;
 104         __be32 version;
 105 #define INITIAL_VERSION_IOB 1
 106         u8 ipv4_chksum;
 107         u8 ipv6_chksum;
 108         u8 tcp_ipv4_chksum;
 109         u8 tcp_ipv6_chksum;
 110         u8 udp_ipv4_chksum;
 111         u8 udp_ipv6_chksum;
 112         u8 large_tx_ipv4;
 113         u8 large_tx_ipv6;
 114         u8 bad_packet_rx;
 115         u8 large_rx_ipv4;
 116         u8 large_rx_ipv6;
 117         u8 reserved4[111];
 118 } __packed __aligned(8);
 119
 120 struct ibmvnic_fw_component {
 121         u8 name[48];
 122         __be32 trace_buff_size;
 123         u8 correlator;
 124         u8 trace_level;
 125         u8 parent_correlator;
 126         u8 error_check_level;
 127         u8 trace_on;
 128         u8 reserved[7];
 129         u8 description[192];
 130 } __packed __aligned(8);
 131
 132 struct ibmvnic_fw_trace_entry {
 133         __be32 trace_id;
 134         u8 num_valid_data;
 135         u8 reserved[3];
 136         __be64 pmc_registers;
 137         __be64 timebase;
 138         __be64 trace_data[5];
 139 } __packed __aligned(8);
 140
 141 struct ibmvnic_statistics {
 142         __be32 version;
 143         __be32 promiscuous;
 144         __be64 rx_packets;
 145         __be64 rx_bytes;
 146         __be64 tx_packets;
 147         __be64 tx_bytes;
 148         __be64 ucast_tx_packets;
 149         __be64 ucast_rx_packets;
 150         __be64 mcast_tx_packets;
 151         __be64 mcast_rx_packets;
 152         __be64 bcast_tx_packets;
 153         __be64 bcast_rx_packets;
 154         __be64 align_errors;
 155         __be64 fcs_errors;
 156         __be64 single_collision_frames;
 157         __be64 multi_collision_frames;
 158         __be64 sqe_test_errors;
 159         __be64 deferred_tx;
 160         __be64 late_collisions;
 161         __be64 excess_collisions;
 162         __be64 internal_mac_tx_errors;
 163         __be64 carrier_sense;
 164         __be64 too_long_frames;
 165         __be64 internal_mac_rx_errors;
 166         u8 reserved[72];
 167 } __packed __aligned(8);
 168
 169 struct ibmvnic_acl_buffer {
 170         __be32 len;
 171         __be32 version;
 172 #define INITIAL_VERSION_IOB 1
 173         u8 mac_acls_restrict;
 174         u8 vlan_acls_restrict;
 175         u8 reserved1[22];
 176         __be32 num_mac_addrs;
 177         __be32 offset_mac_addrs;
 178         __be32 num_vlan_ids;
 179         __be32 offset_vlan_ids;
 180         u8 reserved2[80];
 181 } __packed __aligned(8);
 182
 183 /* descriptors have been changed, how should this be defined?  1? 4? */
 184
 185 #define IBMVNIC_TX_DESC_VERSIONS 3
 186
 187 /* is this still needed? */
 188 struct ibmvnic_tx_comp_desc {
 189         u8 first;
 190         u8 num_comps;
 191         __be16 rcs[5];
 192         __be32 correlators[5];
 193 } __packed __aligned(8);
 194
 195 /* some flags that included in v0 descriptor, which is gone
 196  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 197  * and only in some offload_flags variable that doesn't seem
 198  * to be used anywhere, can probably be removed?
 199  */
 200
 201 #define IBMVNIC_TCP_CHKSUM              0x20
 202 #define IBMVNIC_UDP_CHKSUM              0x08
 203
 204 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 205
 206 struct ibmvnic_tx_desc {
 207         u8 first;
 208         u8 type;
 209
 210 #define IBMVNIC_TX_DESC 0x10
 211         u8 n_crq_elem;
 212         u8 n_sge;
 213         u8 flags1;
 214 #define IBMVNIC_TX_COMP_NEEDED          0x80
 215 #define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 216 #define IBMVNIC_TX_LSO                  0x20
 217 #define IBMVNIC_TX_PROT_TCP             0x10
 218 #define IBMVNIC_TX_PROT_UDP             0x08
 219 #define IBMVNIC_TX_PROT_IPV4            0x04
 220 #define IBMVNIC_TX_PROT_IPV6            0x02
 221 #define IBMVNIC_TX_VLAN_PRESENT         0x01
 222         u8 flags2;
 223 #define IBMVNIC_TX_VLAN_INSERT          0x80
 224         __be16 mss;
 225         u8 reserved[4];
 226         __be32 correlator;
 227         __be16 vlan_id;
 228         __be16 dma_reg;
 229         __be32 sge_len;
 230         __be64 ioba;
 231 } __packed __aligned(8);
 232
 233 struct ibmvnic_hdr_desc {
 234         u8 first;
 235         u8 type;
 236 #define IBMVNIC_HDR_DESC                0x11
 237         u8 len;
 238         u8 l2_len;
 239         __be16 l3_len;
 240         u8 l4_len;
 241         u8 flag;
 242         u8 data[24];
 243 } __packed __aligned(8);
 244
 245 struct ibmvnic_hdr_ext_desc {
 246         u8 first;
 247         u8 type;
 248 #define IBMVNIC_HDR_EXT_DESC            0x12
 249         u8 len;
 250         u8 data[29];
 251 } __packed __aligned(8);
 252
 253 struct ibmvnic_sge_desc {
 254         u8 first;
 255         u8 type;
 256 #define IBMVNIC_SGE_DESC                0x30
 257         __be16 sge1_dma_reg;
 258         __be32 sge1_len;
 259         __be64 sge1_ioba;
 260         __be16 reserved;
 261         __be16 sge2_dma_reg;
 262         __be32 sge2_len;
 263         __be64 sge2_ioba;
 264 } __packed __aligned(8);
 265
 266 struct ibmvnic_rx_comp_desc {
 267         u8 first;
 268         u8 flags;
 269 #define IBMVNIC_IP_CHKSUM_GOOD          0x80
 270 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 271 #define IBMVNIC_END_FRAME                       0x20
 272 #define IBMVNIC_EXACT_MC                        0x10
 273 #define IBMVNIC_VLAN_STRIPPED                   0x08
 274         __be16 off_frame_data;
 275         __be32 len;
 276         __be64 correlator;
 277         __be16 vlan_tci;
 278         __be16 rc;
 279         u8 reserved[12];
 280 } __packed __aligned(8);
 281
 282 struct ibmvnic_generic_scrq {
 283         u8 first;
 284         u8 reserved[31];
 285 } __packed __aligned(8);
 286
 287 struct ibmvnic_rx_buff_add_desc {
 288         u8 first;
 289         u8 reserved[7];
 290         __be64 correlator;
 291         __be32 ioba;
 292         u8 map_id;
 293         __be32 len:24;
 294         u8 reserved2[8];
 295 } __packed __aligned(8);
 296
 297 struct ibmvnic_rc {
 298         u8 code; /* one of enum ibmvnic_rc_codes */
 299         u8 detailed_data[3];
 300 } __packed __aligned(4);
 301
 302 struct ibmvnic_generic_crq {
 303         u8 first;
 304         u8 cmd;
 305         u8 params[10];
 306         struct ibmvnic_rc rc;
 307 } __packed __aligned(8);
 308
 309 struct ibmvnic_version_exchange {
 310         u8 first;
 311         u8 cmd;
 312         __be16 version;
 313 #define IBMVNIC_INITIAL_VERSION 1
 314         u8 reserved[8];
 315         struct ibmvnic_rc rc;
 316 } __packed __aligned(8);
 317
 318 struct ibmvnic_capability {
 319         u8 first;
 320         u8 cmd;
 321         __be16 capability; /* one of ibmvnic_capabilities */
 322         __be64 number;
 323         struct ibmvnic_rc rc;
 324 } __packed __aligned(8);
 325
 326 struct ibmvnic_login {
 327         u8 first;
 328         u8 cmd;
 329         u8 reserved[6];
 330         __be32 ioba;
 331         __be32 len;
 332 } __packed __aligned(8);
 333
 334 struct ibmvnic_phys_parms {
 335         u8 first;
 336         u8 cmd;
 337         u8 flags1;
 338 #define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 339 #define IBMVNIC_INTERNAL_LOOPBACK       0x40
 340 #define IBMVNIC_PROMISC         0x20
 341 #define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 342 #define IBMVNIC_AUTONEG_DUPLEX  0x08
 343 #define IBMVNIC_FULL_DUPLEX     0x04
 344 #define IBMVNIC_HALF_DUPLEX     0x02
 345 #define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 346         u8 flags2;
 347 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 348         __be32 speed;
 349 #define IBMVNIC_AUTONEG         0x80
 350 #define IBMVNIC_10MBPS          0x40
 351 #define IBMVNIC_100MBPS         0x20
 352 #define IBMVNIC_1GBPS           0x10
 353 #define IBMVNIC_10GBPS          0x08
 354         __be32 mtu;
 355         struct ibmvnic_rc rc;
 356 } __packed __aligned(8);
 357
 358 struct ibmvnic_logical_link_state {
 359         u8 first;
 360         u8 cmd;
 361         u8 link_state;
 362 #define IBMVNIC_LOGICAL_LNK_DN 0x00
 363 #define IBMVNIC_LOGICAL_LNK_UP 0x01
 364 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 365         u8 reserved[9];
 366         struct ibmvnic_rc rc;
 367 } __packed __aligned(8);
 368
 369 struct ibmvnic_query_ip_offload {
 370         u8 first;
 371         u8 cmd;
 372         u8 reserved[2];
 373         __be32 len;
 374         __be32 ioba;
 375         struct ibmvnic_rc rc;
 376 } __packed __aligned(8);
 377
 378 struct ibmvnic_control_ip_offload {
 379         u8 first;
 380         u8 cmd;
 381         u8 reserved[2];
 382         __be32 ioba;
 383         __be32 len;
 384         struct ibmvnic_rc rc;
 385 } __packed __aligned(8);
 386
 387 struct ibmvnic_request_dump_size {
 388         u8 first;
 389         u8 cmd;
 390         u8 reserved[6];
 391         __be32 len;
 392         struct ibmvnic_rc rc;
 393 } __packed __aligned(8);
 394
 395 struct ibmvnic_request_dump {
 396         u8 first;
 397         u8 cmd;
 398         u8 reserved1[2];
 399         __be32 ioba;
 400         __be32 len;
 401         u8 reserved2[4];
 402 } __packed __aligned(8);
 403
 404 struct ibmvnic_request_dump_rsp {
 405         u8 first;
 406         u8 cmd;
 407         u8 reserved[6];
 408         __be32 dumped_len;
 409         struct ibmvnic_rc rc;
 410 } __packed __aligned(8);
 411
 412 struct ibmvnic_request_ras_comp_num {
 413         u8 first;
 414         u8 cmd;
 415         u8 reserved1[2];
 416         __be32 num_components;
 417         u8 reserved2[4];
 418         struct ibmvnic_rc rc;
 419 } __packed __aligned(8);
 420
 421 struct ibmvnic_request_ras_comps {
 422         u8 first;
 423         u8 cmd;
 424         u8 reserved[2];
 425         __be32 ioba;
 426         __be32 len;
 427         struct ibmvnic_rc rc;
 428 } __packed __aligned(8);
 429
 430 struct ibmvnic_control_ras {
 431         u8 first;
 432         u8 cmd;
 433         u8 correlator;
 434         u8 level;
 435         u8 op;
 436 #define IBMVNIC_TRACE_LEVEL     1
 437 #define IBMVNIC_ERROR_LEVEL     2
 438 #define IBMVNIC_TRACE_PAUSE     3
 439 #define IBMVNIC_TRACE_RESUME    4
 440 #define IBMVNIC_TRACE_ON                5
 441 #define IBMVNIC_TRACE_OFF               6
 442 #define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 443         u8 trace_buff_sz[3];
 444         u8 reserved[4];
 445         struct ibmvnic_rc rc;
 446 } __packed __aligned(8);
 447
 448 struct ibmvnic_collect_fw_trace {
 449         u8 first;
 450         u8 cmd;
 451         u8 correlator;
 452         u8 reserved;
 453         __be32 ioba;
 454         __be32 len;
 455         struct ibmvnic_rc rc;
 456 } __packed __aligned(8);
 457
 458 struct ibmvnic_request_statistics {
 459         u8 first;
 460         u8 cmd;
 461         u8 flags;
 462 #define IBMVNIC_PHYSICAL_PORT   0x80
 463         u8 reserved1;
 464         __be32 ioba;
 465         __be32 len;
 466         u8 reserved[4];
 467 } __packed __aligned(8);
 468
 469 struct ibmvnic_request_debug_stats {
 470         u8 first;
 471         u8 cmd;
 472         u8 reserved[2];
 473         __be32 ioba;
 474         __be32 len;
 475         struct ibmvnic_rc rc;
 476 } __packed __aligned(8);
 477
 478 struct ibmvnic_error_indication {
 479         u8 first;
 480         u8 cmd;
 481         u8 flags;
 482 #define IBMVNIC_FATAL_ERROR     0x80
 483         u8 reserved1;
 484         __be32 error_id;
 485         __be32 detail_error_sz;
 486         __be16 error_cause;
 487         u8 reserved2[2];
 488 } __packed __aligned(8);
 489
 490 struct ibmvnic_request_error_info {
 491         u8 first;
 492         u8 cmd;
 493         u8 reserved[2];
 494         __be32 ioba;
 495         __be32 len;
 496         __be32 error_id;
 497 } __packed __aligned(8);
 498
 499 struct ibmvnic_request_error_rsp {
 500         u8 first;
 501         u8 cmd;
 502         u8 reserved[2];
 503         __be32 error_id;
 504         __be32 len;
 505         struct ibmvnic_rc rc;
 506 } __packed __aligned(8);
 507
 508 struct ibmvnic_link_state_indication {
 509         u8 first;
 510         u8 cmd;
 511         u8 reserved1[2];
 512         u8 phys_link_state;
 513         u8 logical_link_state;
 514         u8 reserved2[10];
 515 } __packed __aligned(8);
 516
 517 struct ibmvnic_change_mac_addr {
 518         u8 first;
 519         u8 cmd;
 520         u8 mac_addr[6];
 521         struct ibmvnic_rc rc;
 522         u8 reserved[4];
 523 } __packed __aligned(8);
 524
 525 struct ibmvnic_multicast_ctrl {
 526         u8 first;
 527         u8 cmd;
 528         u8 mac_addr[6];
 529         u8 flags;
 530 #define IBMVNIC_ENABLE_MC               0x80
 531 #define IBMVNIC_DISABLE_MC              0x40
 532 #define IBMVNIC_ENABLE_ALL              0x20
 533 #define IBMVNIC_DISABLE_ALL     0x10
 534         u8 reserved1;
 535         __be16 reserved2; /* was num_enabled_mc_addr; */
 536         struct ibmvnic_rc rc;
 537 } __packed __aligned(8);
 538
 539 struct ibmvnic_get_vpd_size_rsp {
 540         u8 first;
 541         u8 cmd;
 542         u8 reserved[2];
 543         __be64 len;
 544         struct ibmvnic_rc rc;
 545 } __packed __aligned(8);
 546
 547 struct ibmvnic_get_vpd {
 548         u8 first;
 549         u8 cmd;
 550         u8 reserved1[2];
 551         __be32 ioba;
 552         __be32 len;
 553         u8 reserved[4];
 554 } __packed __aligned(8);
 555
 556 struct ibmvnic_acl_change_indication {
 557         u8 first;
 558         u8 cmd;
 559         __be16 change_type;
 560 #define IBMVNIC_MAC_ACL 0
 561 #define IBMVNIC_VLAN_ACL 1
 562         u8 reserved[12];
 563 } __packed __aligned(8);
 564
 565 struct ibmvnic_acl_query {
 566         u8 first;
 567         u8 cmd;
 568         u8 reserved1[2];
 569         __be32 ioba;
 570         __be32 len;
 571         u8 reserved2[4];
 572 } __packed __aligned(8);
 573
 574 struct ibmvnic_tune {
 575         u8 first;
 576         u8 cmd;
 577         u8 reserved1[2];
 578         __be32 ioba;
 579         __be32 len;
 580         u8 reserved2[4];
 581 } __packed __aligned(8);
 582
 583 struct ibmvnic_request_map {
 584         u8 first;
 585         u8 cmd;
 586         u8 reserved1;
 587         u8 map_id;
 588         __be32 ioba;
 589         __be32 len;
 590         u8 reserved2[4];
 591 } __packed __aligned(8);
 592
 593 struct ibmvnic_request_map_rsp {
 594         u8 first;
 595         u8 cmd;
 596         u8 reserved1;
 597         u8 map_id;
 598         u8 reserved2[4];
 599         struct ibmvnic_rc rc;
 600 } __packed __aligned(8);
 601
 602 struct ibmvnic_request_unmap {
 603         u8 first;
 604         u8 cmd;
 605         u8 reserved1;
 606         u8 map_id;
 607         u8 reserved2[12];
 608 } __packed __aligned(8);
 609
 610 struct ibmvnic_request_unmap_rsp {
 611         u8 first;
 612         u8 cmd;
 613         u8 reserved1;
 614         u8 map_id;
 615         u8 reserved2[8];
 616         struct ibmvnic_rc rc;
 617 } __packed __aligned(8);
 618
 619 struct ibmvnic_query_map {
 620         u8 first;
 621         u8 cmd;
 622         u8 reserved[14];
 623 } __packed __aligned(8);
 624
 625 struct ibmvnic_query_map_rsp {
 626         u8 first;
 627         u8 cmd;
 628         u8 reserved;
 629         u8 page_size;
 630         __be32 tot_pages;
 631         __be32 free_pages;
 632         struct ibmvnic_rc rc;
 633 } __packed __aligned(8);
 634
 635 union ibmvnic_crq {
 636         struct ibmvnic_generic_crq generic;
 637         struct ibmvnic_version_exchange version_exchange;
 638         struct ibmvnic_version_exchange version_exchange_rsp;
 639         struct ibmvnic_capability query_capability;
 640         struct ibmvnic_capability query_capability_rsp;
 641         struct ibmvnic_capability request_capability;
 642         struct ibmvnic_capability request_capability_rsp;
 643         struct ibmvnic_login login;
 644         struct ibmvnic_generic_crq login_rsp;
 645         struct ibmvnic_phys_parms query_phys_parms;
 646         struct ibmvnic_phys_parms query_phys_parms_rsp;
 647         struct ibmvnic_phys_parms query_phys_capabilities;
 648         struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 649         struct ibmvnic_phys_parms set_phys_parms;
 650         struct ibmvnic_phys_parms set_phys_parms_rsp;
 651         struct ibmvnic_logical_link_state logical_link_state;
 652         struct ibmvnic_logical_link_state logical_link_state_rsp;
 653         struct ibmvnic_query_ip_offload query_ip_offload;
 654         struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 655         struct ibmvnic_control_ip_offload control_ip_offload;
 656         struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 657         struct ibmvnic_request_dump_size request_dump_size;
 658         struct ibmvnic_request_dump_size request_dump_size_rsp;
 659         struct ibmvnic_request_dump request_dump;
 660         struct ibmvnic_request_dump_rsp request_dump_rsp;
 661         struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 662         struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 663         struct ibmvnic_request_ras_comps request_ras_comps;
 664         struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 665         struct ibmvnic_control_ras control_ras;
 666         struct ibmvnic_control_ras control_ras_rsp;
 667         struct ibmvnic_collect_fw_trace collect_fw_trace;
 668         struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 669         struct ibmvnic_request_statistics request_statistics;
 670         struct ibmvnic_generic_crq request_statistics_rsp;
 671         struct ibmvnic_request_debug_stats request_debug_stats;
 672         struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 673         struct ibmvnic_error_indication error_indication;
 674         struct ibmvnic_request_error_info request_error_info;
 675         struct ibmvnic_request_error_rsp request_error_rsp;
 676         struct ibmvnic_link_state_indication link_state_indication;
 677         struct ibmvnic_change_mac_addr change_mac_addr;
 678         struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 679         struct ibmvnic_multicast_ctrl multicast_ctrl;
 680         struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 681         struct ibmvnic_generic_crq get_vpd_size;
 682         struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 683         struct ibmvnic_get_vpd get_vpd;
 684         struct ibmvnic_generic_crq get_vpd_rsp;
 685         struct ibmvnic_acl_change_indication acl_change_indication;
 686         struct ibmvnic_acl_query acl_query;
 687         struct ibmvnic_generic_crq acl_query_rsp;
 688         struct ibmvnic_tune tune;
 689         struct ibmvnic_generic_crq tune_rsp;
 690         struct ibmvnic_request_map request_map;
 691         struct ibmvnic_request_map_rsp request_map_rsp;
 692         struct ibmvnic_request_unmap request_unmap;
 693         struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 694         struct ibmvnic_query_map query_map;
 695         struct ibmvnic_query_map_rsp query_map_rsp;
 696 };
 697
 698 enum ibmvnic_rc_codes {
 699         SUCCESS = 0,
 700         PARTIALSUCCESS = 1,
 701         PERMISSION = 2,
 702         NOMEMORY = 3,
 703         PARAMETER = 4,
 704         UNKNOWNCOMMAND = 5,
 705         ABORTED = 6,
 706         INVALIDSTATE = 7,
 707         INVALIDIOBA = 8,
 708         INVALIDLENGTH = 9,
 709         UNSUPPORTEDOPTION = 10,
 710 };
 711
 712 enum ibmvnic_capabilities {
 713         MIN_TX_QUEUES = 1,
 714         MIN_RX_QUEUES = 2,
 715         MIN_RX_ADD_QUEUES = 3,
 716         MAX_TX_QUEUES = 4,
 717         MAX_RX_QUEUES = 5,
 718         MAX_RX_ADD_QUEUES = 6,
 719         REQ_TX_QUEUES = 7,
 720         REQ_RX_QUEUES = 8,
 721         REQ_RX_ADD_QUEUES = 9,
 722         MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 723         MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 724         MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 725         MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 726         REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 727         REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 728         TCP_IP_OFFLOAD = 16,
 729         PROMISC_REQUESTED = 17,
 730         PROMISC_SUPPORTED = 18,
 731         MIN_MTU = 19,
 732         MAX_MTU = 20,
 733         REQ_MTU = 21,
 734         MAX_MULTICAST_FILTERS = 22,
 735         VLAN_HEADER_INSERTION = 23,
 736         MAX_TX_SG_ENTRIES = 25,
 737         RX_SG_SUPPORTED = 26,
 738         RX_SG_REQUESTED = 27,
 739         OPT_TX_COMP_SUB_QUEUES = 28,
 740         OPT_RX_COMP_QUEUES = 29,
 741         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 742         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 743         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 744         TX_RX_DESC_REQ = 33,
 745 };
 746
 747 enum ibmvnic_error_cause {
 748         ADAPTER_PROBLEM = 0,
 749         BUS_PROBLEM = 1,
 750         FW_PROBLEM = 2,
 751         DD_PROBLEM = 3,
 752         EEH_RECOVERY = 4,
 753         FW_UPDATED = 5,
 754         LOW_MEMORY = 6,
 755 };
 756
 757 enum ibmvnic_commands {
 758         VERSION_EXCHANGE = 0x01,
 759         VERSION_EXCHANGE_RSP = 0x81,
 760         QUERY_CAPABILITY = 0x02,
 761         QUERY_CAPABILITY_RSP = 0x82,
 762         REQUEST_CAPABILITY = 0x03,
 763         REQUEST_CAPABILITY_RSP = 0x83,
 764         LOGIN = 0x04,
 765         LOGIN_RSP = 0x84,
 766         QUERY_PHYS_PARMS = 0x05,
 767         QUERY_PHYS_PARMS_RSP = 0x85,
 768         QUERY_PHYS_CAPABILITIES = 0x06,
 769         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 770         SET_PHYS_PARMS = 0x07,
 771         SET_PHYS_PARMS_RSP = 0x87,
 772         ERROR_INDICATION = 0x08,
 773         REQUEST_ERROR_INFO = 0x09,
 774         REQUEST_ERROR_RSP = 0x89,
 775         REQUEST_DUMP_SIZE = 0x0A,
 776         REQUEST_DUMP_SIZE_RSP = 0x8A,
 777         REQUEST_DUMP = 0x0B,
 778         REQUEST_DUMP_RSP = 0x8B,
 779         LOGICAL_LINK_STATE = 0x0C,
 780         LOGICAL_LINK_STATE_RSP = 0x8C,
 781         REQUEST_STATISTICS = 0x0D,
 782         REQUEST_STATISTICS_RSP = 0x8D,
 783         REQUEST_RAS_COMP_NUM = 0x0E,
 784         REQUEST_RAS_COMP_NUM_RSP = 0x8E,
 785         REQUEST_RAS_COMPS = 0x0F,
 786         REQUEST_RAS_COMPS_RSP = 0x8F,
 787         CONTROL_RAS = 0x10,
 788         CONTROL_RAS_RSP = 0x90,
 789         COLLECT_FW_TRACE = 0x11,
 790         COLLECT_FW_TRACE_RSP = 0x91,
 791         LINK_STATE_INDICATION = 0x12,
 792         CHANGE_MAC_ADDR = 0x13,
 793         CHANGE_MAC_ADDR_RSP = 0x93,
 794         MULTICAST_CTRL = 0x14,
 795         MULTICAST_CTRL_RSP = 0x94,
 796         GET_VPD_SIZE = 0x15,
 797         GET_VPD_SIZE_RSP = 0x95,
 798         GET_VPD = 0x16,
 799         GET_VPD_RSP = 0x96,
 800         TUNE = 0x17,
 801         TUNE_RSP = 0x97,
 802         QUERY_IP_OFFLOAD = 0x18,
 803         QUERY_IP_OFFLOAD_RSP = 0x98,
 804         CONTROL_IP_OFFLOAD = 0x19,
 805         CONTROL_IP_OFFLOAD_RSP = 0x99,
 806         ACL_CHANGE_INDICATION = 0x1A,
 807         ACL_QUERY = 0x1B,
 808         ACL_QUERY_RSP = 0x9B,
 809         REQUEST_DEBUG_STATS = 0x1C,
 810         REQUEST_DEBUG_STATS_RSP = 0x9C,
 811         QUERY_MAP = 0x1D,
 812         QUERY_MAP_RSP = 0x9D,
 813         REQUEST_MAP = 0x1E,
 814         REQUEST_MAP_RSP = 0x9E,
 815         REQUEST_UNMAP = 0x1F,
 816         REQUEST_UNMAP_RSP = 0x9F,
 817         VLAN_CTRL = 0x20,
 818         VLAN_CTRL_RSP = 0xA0,
 819 };
 820
 821 enum ibmvnic_crq_type {
 822         IBMVNIC_CRQ_CMD                 = 0x80,
 823         IBMVNIC_CRQ_CMD_RSP             = 0x80,
 824         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 825         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 826         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 827 };
 828
 829 enum ibmvfc_crq_format {
 830         IBMVNIC_CRQ_INIT                 = 0x01,
 831         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 832         IBMVNIC_PARTITION_MIGRATED       = 0x06,
 833         IBMVNIC_DEVICE_FAILOVER          = 0x08,
 834 };
 835
 836 struct ibmvnic_crq_queue {
 837         union ibmvnic_crq *msgs;
 838         int size, cur;
 839         dma_addr_t msg_token;
 840         spinlock_t lock;
 841 };
 842
 843 union sub_crq {
 844         struct ibmvnic_generic_scrq generic;
 845         struct ibmvnic_tx_comp_desc tx_comp;
 846         struct ibmvnic_tx_desc v1;
 847         struct ibmvnic_hdr_desc hdr;
 848         struct ibmvnic_hdr_ext_desc hdr_ext;
 849         struct ibmvnic_sge_desc sge;
 850         struct ibmvnic_rx_comp_desc rx_comp;
 851         struct ibmvnic_rx_buff_add_desc rx_add;
 852 };
 853
 854 struct ibmvnic_sub_crq_queue {
 855         union sub_crq *msgs;
 856         int size, cur;
 857         dma_addr_t msg_token;
 858         unsigned long crq_num;
 859         unsigned long hw_irq;
 860         unsigned int irq;
 861         unsigned int pool_index;
 862         int scrq_num;
 863         spinlock_t lock;
 864         struct sk_buff *rx_skb_top;
 865         struct ibmvnic_adapter *adapter;
 866 };
 867
 868 struct ibmvnic_long_term_buff {
 869         unsigned char *buff;
 870         dma_addr_t addr;
 871         u64 size;
 872         u8 map_id;
 873 };
 874
 875 struct ibmvnic_tx_buff {
 876         struct sk_buff *skb;
 877         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 878         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 879         int index;
 880         int pool_index;
 881         bool last_frag;
 882         bool used_bounce;
 883         union sub_crq indir_arr[6];
 884         u8 hdr_data[140];
 885         dma_addr_t indir_dma;
 886 };
 887
 888 struct ibmvnic_tx_pool {
 889         struct ibmvnic_tx_buff *tx_buff;
 890         int *free_map;
 891         int consumer_index;
 892         int producer_index;
 893         wait_queue_head_t ibmvnic_tx_comp_q;
 894         struct task_struct *work_thread;
 895         struct ibmvnic_long_term_buff long_term_buff;
 896 };
 897
 898 struct ibmvnic_rx_buff {
 899         struct sk_buff *skb;
 900         dma_addr_t dma;
 901         unsigned char *data;
 902         int size;
 903         int pool_index;
 904 };
 905
 906 struct ibmvnic_rx_pool {
 907         struct ibmvnic_rx_buff *rx_buff;
 908         int size;
 909         int index;
 910         int buff_size;
 911         atomic_t available;
 912         int *free_map;
 913         int next_free;
 914         int next_alloc;
 915         int active;
 916         struct ibmvnic_long_term_buff long_term_buff;
 917 };
 918
 919 struct ibmvnic_error_buff {
 920         char *buff;
 921         dma_addr_t dma;
 922         int len;
 923         struct list_head list;
 924         __be32 error_id;
 925 };
 926
 927 struct ibmvnic_fw_comp_internal {
 928         struct ibmvnic_adapter *adapter;
 929         int num;
 930         struct debugfs_blob_wrapper desc_blob;
 931         int paused;
 932 };
 933
 934 struct ibmvnic_inflight_cmd {
 935         union ibmvnic_crq crq;
 936         struct list_head list;
 937 };
 938
 939 struct ibmvnic_adapter {
 940         struct vio_dev *vdev;
 941         struct net_device *netdev;
 942         struct ibmvnic_crq_queue crq;
 943         u8 mac_addr[ETH_ALEN];
 944         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 945         dma_addr_t ip_offload_tok;
 946         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 947         dma_addr_t ip_offload_ctrl_tok;
 948         bool migrated;
 949         u32 msg_enable;
 950         void *bounce_buffer;
 951         int bounce_buffer_size;
 952         dma_addr_t bounce_buffer_dma;
 953
 954         /* Statistics */
 955         struct net_device_stats net_stats;
 956         struct ibmvnic_statistics stats;
 957         dma_addr_t stats_token;
 958         struct completion stats_done;
 959         spinlock_t stats_lock;
 960         int replenish_no_mem;
 961         int replenish_add_buff_success;
 962         int replenish_add_buff_failure;
 963         int replenish_task_cycles;
 964         int tx_send_failed;
 965         int tx_map_failed;
 966
 967         int phys_link_state;
 968         int logical_link_state;
 969
 970         /* login data */
 971         struct ibmvnic_login_buffer *login_buf;
 972         dma_addr_t login_buf_token;
 973         int login_buf_sz;
 974
 975         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
 976         dma_addr_t login_rsp_buf_token;
 977         int login_rsp_buf_sz;
 978
 979         atomic_t running_cap_queries;
 980
 981         struct ibmvnic_sub_crq_queue **tx_scrq;
 982         struct ibmvnic_sub_crq_queue **rx_scrq;
 983         int requested_caps;
 984         bool renegotiate;
 985
 986         /* rx structs */
 987         struct napi_struct *napi;
 988         struct ibmvnic_rx_pool *rx_pool;
 989         u64 promisc;
 990
 991         struct ibmvnic_tx_pool *tx_pool;
 992         bool closing;
 993         struct completion init_done;
 994
 995         struct list_head errors;
 996         spinlock_t error_list_lock;
 997
 998         /* debugfs */
 999         struct dentry *debugfs_dir;
1000         struct dentry *debugfs_dump;
1001         struct completion fw_done;
1002         char *dump_data;
1003         dma_addr_t dump_data_token;
1004         int dump_data_size;
1005         int ras_comp_num;
1006         struct ibmvnic_fw_component *ras_comps;
1007         struct ibmvnic_fw_comp_internal *ras_comp_int;
1008         dma_addr_t ras_comps_tok;
1009         struct dentry *ras_comps_ent;
1010
1011         /* in-flight commands that allocate and/or map memory*/
1012         struct list_head inflight;
1013         spinlock_t inflight_lock;
1014
1015         /* partner capabilities */
1016         u64 min_tx_queues;
1017         u64 min_rx_queues;
1018         u64 min_rx_add_queues;
1019         u64 max_tx_queues;
1020         u64 max_rx_queues;
1021         u64 max_rx_add_queues;
1022         u64 req_tx_queues;
1023         u64 req_rx_queues;
1024         u64 req_rx_add_queues;
1025         u64 min_tx_entries_per_subcrq;
1026         u64 min_rx_add_entries_per_subcrq;
1027         u64 max_tx_entries_per_subcrq;
1028         u64 max_rx_add_entries_per_subcrq;
1029         u64 req_tx_entries_per_subcrq;
1030         u64 req_rx_add_entries_per_subcrq;
1031         u64 tcp_ip_offload;
1032         u64 promisc_requested;
1033         u64 promisc_supported;
1034         u64 min_mtu;
1035         u64 max_mtu;
1036         u64 req_mtu;
1037         u64 max_multicast_filters;
1038         u64 vlan_header_insertion;
1039         u64 max_tx_sg_entries;
1040         u64 rx_sg_supported;
1041         u64 rx_sg_requested;
1042         u64 opt_tx_comp_sub_queues;
1043         u64 opt_rx_comp_queues;
1044         u64 opt_rx_bufadd_q_per_rx_comp_q;
1045         u64 opt_tx_entries_per_subcrq;
1046         u64 opt_rxba_entries_per_subcrq;
1047         __be64 tx_rx_desc_req;
1048         u8 map_id;
1049
1050         struct work_struct vnic_crq_init;
1051         struct work_struct ibmvnic_xport;
1052         bool failover;
1053 };