drivers/net/ethernet/ibm/ibmvnic.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /**************************************************************************/
   3 /*                                                                        */
   4 /*  IBM System i and System p Virtual NIC Device Driver                   */
   5 /*  Copyright (C) 2014 IBM Corp.                                          */
   6 /*  Santiago Leon (santi_leon@yahoo.com)                                  */
   7 /*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
   8 /*  John Allen (jallen@linux.vnet.ibm.com)                                */
   9 /*                                                                        */
  10 /*                                                                        */
  11 /* This module contains the implementation of a virtual ethernet device   */
  12 /* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
  13 /* option of the RS/6000 Platform Architecture to interface with virtual */
  14 /* ethernet NICs that are presented to the partition by the hypervisor.   */
  15 /*                                                                        */
  16 /**************************************************************************/
  17
  18 #define IBMVNIC_NAME            "ibmvnic"
  19 #define IBMVNIC_DRIVER_VERSION  "1.0.1"
  20 #define IBMVNIC_INVALID_MAP     -1
  21 #define IBMVNIC_STATS_TIMEOUT   1
  22 #define IBMVNIC_INIT_FAILED     2
  23 #define IBMVNIC_OPEN_FAILED     3
  24
  25 /* basic structures plus 100 2k buffers */
  26 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT  610305
  27
  28 /* Initial module_parameters */
  29 #define IBMVNIC_RX_WEIGHT               16
  30 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
  31 #define IBMVNIC_BUFFS_PER_POOL  100
  32 #define IBMVNIC_MAX_QUEUES      16
  33 #define IBMVNIC_MAX_QUEUE_SZ   4096
  34
  35 #define IBMVNIC_TSO_BUF_SZ      65536
  36 #define IBMVNIC_TSO_BUFS        64
  37 #define IBMVNIC_TSO_POOL_MASK   0x80000000
  38
  39 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
  40 #define IBMVNIC_BUFFER_HLEN 500
  41
  42 static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = {
  43 #define IBMVNIC_USE_SERVER_MAXES 0x1
  44         "use-server-maxes"
  45 };
  46
  47 struct ibmvnic_login_buffer {
  48         __be32 len;
  49         __be32 version;
  50 #define INITIAL_VERSION_LB 1
  51         __be32 num_txcomp_subcrqs;
  52         __be32 off_txcomp_subcrqs;
  53         __be32 num_rxcomp_subcrqs;
  54         __be32 off_rxcomp_subcrqs;
  55         __be32 login_rsp_ioba;
  56         __be32 login_rsp_len;
  57         __be32 client_data_offset;
  58         __be32 client_data_len;
  59 } __packed __aligned(8);
  60
  61 struct ibmvnic_login_rsp_buffer {
  62         __be32 len;
  63         __be32 version;
  64 #define INITIAL_VERSION_LRB 1
  65         __be32 num_txsubm_subcrqs;
  66         __be32 off_txsubm_subcrqs;
  67         __be32 num_rxadd_subcrqs;
  68         __be32 off_rxadd_subcrqs;
  69         __be32 off_rxadd_buff_size;
  70         __be32 num_supp_tx_desc;
  71         __be32 off_supp_tx_desc;
  72 } __packed __aligned(8);
  73
  74 struct ibmvnic_query_ip_offload_buffer {
  75         __be32 len;
  76         __be32 version;
  77 #define INITIAL_VERSION_IOB 1
  78         u8 ipv4_chksum;
  79         u8 ipv6_chksum;
  80         u8 tcp_ipv4_chksum;
  81         u8 tcp_ipv6_chksum;
  82         u8 udp_ipv4_chksum;
  83         u8 udp_ipv6_chksum;
  84         u8 large_tx_ipv4;
  85         u8 large_tx_ipv6;
  86         u8 large_rx_ipv4;
  87         u8 large_rx_ipv6;
  88         u8 reserved1[14];
  89         __be16 max_ipv4_header_size;
  90         __be16 max_ipv6_header_size;
  91         __be16 max_tcp_header_size;
  92         __be16 max_udp_header_size;
  93         __be32 max_large_tx_size;
  94         __be32 max_large_rx_size;
  95         u8 reserved2[16];
  96         u8 ipv6_extension_header;
  97 #define IPV6_EH_NOT_SUPPORTED   0x00
  98 #define IPV6_EH_SUPPORTED_LIM   0x01
  99 #define IPV6_EH_SUPPORTED       0xFF
 100         u8 tcp_pseudosum_req;
 101 #define TCP_PS_NOT_REQUIRED     0x00
 102 #define TCP_PS_REQUIRED         0x01
 103         u8 reserved3[30];
 104         __be16 num_ipv6_ext_headers;
 105         __be32 off_ipv6_ext_headers;
 106         u8 reserved4[154];
 107 } __packed __aligned(8);
 108
 109 struct ibmvnic_control_ip_offload_buffer {
 110         __be32 len;
 111         __be32 version;
 112 #define INITIAL_VERSION_IOB 1
 113         u8 ipv4_chksum;
 114         u8 ipv6_chksum;
 115         u8 tcp_ipv4_chksum;
 116         u8 tcp_ipv6_chksum;
 117         u8 udp_ipv4_chksum;
 118         u8 udp_ipv6_chksum;
 119         u8 large_tx_ipv4;
 120         u8 large_tx_ipv6;
 121         u8 bad_packet_rx;
 122         u8 large_rx_ipv4;
 123         u8 large_rx_ipv6;
 124         u8 reserved4[111];
 125 } __packed __aligned(8);
 126
 127 struct ibmvnic_fw_component {
 128         u8 name[48];
 129         __be32 trace_buff_size;
 130         u8 correlator;
 131         u8 trace_level;
 132         u8 parent_correlator;
 133         u8 error_check_level;
 134         u8 trace_on;
 135         u8 reserved[7];
 136         u8 description[192];
 137 } __packed __aligned(8);
 138
 139 struct ibmvnic_fw_trace_entry {
 140         __be32 trace_id;
 141         u8 num_valid_data;
 142         u8 reserved[3];
 143         __be64 pmc_registers;
 144         __be64 timebase;
 145         __be64 trace_data[5];
 146 } __packed __aligned(8);
 147
 148 struct ibmvnic_statistics {
 149         __be32 version;
 150         __be32 promiscuous;
 151         __be64 rx_packets;
 152         __be64 rx_bytes;
 153         __be64 tx_packets;
 154         __be64 tx_bytes;
 155         __be64 ucast_tx_packets;
 156         __be64 ucast_rx_packets;
 157         __be64 mcast_tx_packets;
 158         __be64 mcast_rx_packets;
 159         __be64 bcast_tx_packets;
 160         __be64 bcast_rx_packets;
 161         __be64 align_errors;
 162         __be64 fcs_errors;
 163         __be64 single_collision_frames;
 164         __be64 multi_collision_frames;
 165         __be64 sqe_test_errors;
 166         __be64 deferred_tx;
 167         __be64 late_collisions;
 168         __be64 excess_collisions;
 169         __be64 internal_mac_tx_errors;
 170         __be64 carrier_sense;
 171         __be64 too_long_frames;
 172         __be64 internal_mac_rx_errors;
 173         u8 reserved[72];
 174 } __packed __aligned(8);
 175
 176 #define NUM_TX_STATS 3
 177 struct ibmvnic_tx_queue_stats {
 178         u64 packets;
 179         u64 bytes;
 180         u64 dropped_packets;
 181 };
 182
 183 #define NUM_RX_STATS 3
 184 struct ibmvnic_rx_queue_stats {
 185         u64 packets;
 186         u64 bytes;
 187         u64 interrupts;
 188 };
 189
 190 struct ibmvnic_acl_buffer {
 191         __be32 len;
 192         __be32 version;
 193 #define INITIAL_VERSION_IOB 1
 194         u8 mac_acls_restrict;
 195         u8 vlan_acls_restrict;
 196         u8 reserved1[22];
 197         __be32 num_mac_addrs;
 198         __be32 offset_mac_addrs;
 199         __be32 num_vlan_ids;
 200         __be32 offset_vlan_ids;
 201         u8 reserved2[80];
 202 } __packed __aligned(8);
 203
 204 /* descriptors have been changed, how should this be defined?  1? 4? */
 205
 206 #define IBMVNIC_TX_DESC_VERSIONS 3
 207
 208 /* is this still needed? */
 209 struct ibmvnic_tx_comp_desc {
 210         u8 first;
 211         u8 num_comps;
 212         __be16 rcs[5];
 213         __be32 correlators[5];
 214 } __packed __aligned(8);
 215
 216 /* some flags that included in v0 descriptor, which is gone
 217  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 218  * and only in some offload_flags variable that doesn't seem
 219  * to be used anywhere, can probably be removed?
 220  */
 221
 222 #define IBMVNIC_TCP_CHKSUM              0x20
 223 #define IBMVNIC_UDP_CHKSUM              0x08
 224
 225 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 226
 227 struct ibmvnic_tx_desc {
 228         u8 first;
 229         u8 type;
 230
 231 #define IBMVNIC_TX_DESC 0x10
 232         u8 n_crq_elem;
 233         u8 n_sge;
 234         u8 flags1;
 235 #define IBMVNIC_TX_COMP_NEEDED          0x80
 236 #define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 237 #define IBMVNIC_TX_LSO                  0x20
 238 #define IBMVNIC_TX_PROT_TCP             0x10
 239 #define IBMVNIC_TX_PROT_UDP             0x08
 240 #define IBMVNIC_TX_PROT_IPV4            0x04
 241 #define IBMVNIC_TX_PROT_IPV6            0x02
 242 #define IBMVNIC_TX_VLAN_PRESENT         0x01
 243         u8 flags2;
 244 #define IBMVNIC_TX_VLAN_INSERT          0x80
 245         __be16 mss;
 246         u8 reserved[4];
 247         __be32 correlator;
 248         __be16 vlan_id;
 249         __be16 dma_reg;
 250         __be32 sge_len;
 251         __be64 ioba;
 252 } __packed __aligned(8);
 253
 254 struct ibmvnic_hdr_desc {
 255         u8 first;
 256         u8 type;
 257 #define IBMVNIC_HDR_DESC                0x11
 258         u8 len;
 259         u8 l2_len;
 260         __be16 l3_len;
 261         u8 l4_len;
 262         u8 flag;
 263         u8 data[24];
 264 } __packed __aligned(8);
 265
 266 struct ibmvnic_hdr_ext_desc {
 267         u8 first;
 268         u8 type;
 269 #define IBMVNIC_HDR_EXT_DESC            0x12
 270         u8 len;
 271         u8 data[29];
 272 } __packed __aligned(8);
 273
 274 struct ibmvnic_sge_desc {
 275         u8 first;
 276         u8 type;
 277 #define IBMVNIC_SGE_DESC                0x30
 278         __be16 sge1_dma_reg;
 279         __be32 sge1_len;
 280         __be64 sge1_ioba;
 281         __be16 reserved;
 282         __be16 sge2_dma_reg;
 283         __be32 sge2_len;
 284         __be64 sge2_ioba;
 285 } __packed __aligned(8);
 286
 287 struct ibmvnic_rx_comp_desc {
 288         u8 first;
 289         u8 flags;
 290 #define IBMVNIC_IP_CHKSUM_GOOD          0x80
 291 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 292 #define IBMVNIC_END_FRAME                       0x20
 293 #define IBMVNIC_EXACT_MC                        0x10
 294 #define IBMVNIC_VLAN_STRIPPED                   0x08
 295         __be16 off_frame_data;
 296         __be32 len;
 297         __be64 correlator;
 298         __be16 vlan_tci;
 299         __be16 rc;
 300         u8 reserved[12];
 301 } __packed __aligned(8);
 302
 303 struct ibmvnic_generic_scrq {
 304         u8 first;
 305         u8 reserved[31];
 306 } __packed __aligned(8);
 307
 308 struct ibmvnic_rx_buff_add_desc {
 309         u8 first;
 310         u8 reserved[7];
 311         __be64 correlator;
 312         __be32 ioba;
 313         u8 map_id;
 314         __be32 len:24;
 315         u8 reserved2[8];
 316 } __packed __aligned(8);
 317
 318 struct ibmvnic_rc {
 319         u8 code; /* one of enum ibmvnic_rc_codes */
 320         u8 detailed_data[3];
 321 } __packed __aligned(4);
 322
 323 struct ibmvnic_generic_crq {
 324         u8 first;
 325         u8 cmd;
 326         u8 params[10];
 327         struct ibmvnic_rc rc;
 328 } __packed __aligned(8);
 329
 330 struct ibmvnic_version_exchange {
 331         u8 first;
 332         u8 cmd;
 333         __be16 version;
 334 #define IBMVNIC_INITIAL_VERSION 1
 335         u8 reserved[8];
 336         struct ibmvnic_rc rc;
 337 } __packed __aligned(8);
 338
 339 struct ibmvnic_capability {
 340         u8 first;
 341         u8 cmd;
 342         __be16 capability; /* one of ibmvnic_capabilities */
 343         __be64 number;
 344         struct ibmvnic_rc rc;
 345 } __packed __aligned(8);
 346
 347 struct ibmvnic_login {
 348         u8 first;
 349         u8 cmd;
 350         u8 reserved[6];
 351         __be32 ioba;
 352         __be32 len;
 353 } __packed __aligned(8);
 354
 355 struct ibmvnic_phys_parms {
 356         u8 first;
 357         u8 cmd;
 358         u8 flags1;
 359 #define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 360 #define IBMVNIC_INTERNAL_LOOPBACK       0x40
 361 #define IBMVNIC_PROMISC         0x20
 362 #define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 363 #define IBMVNIC_AUTONEG_DUPLEX  0x08
 364 #define IBMVNIC_FULL_DUPLEX     0x04
 365 #define IBMVNIC_HALF_DUPLEX     0x02
 366 #define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 367         u8 flags2;
 368 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 369         __be32 speed;
 370 #define IBMVNIC_AUTONEG         0x80000000
 371 #define IBMVNIC_10MBPS          0x40000000
 372 #define IBMVNIC_100MBPS         0x20000000
 373 #define IBMVNIC_1GBPS           0x10000000
 374 #define IBMVNIC_10GBP           0x08000000
 375 #define IBMVNIC_40GBPS          0x04000000
 376 #define IBMVNIC_100GBPS         0x02000000
 377 #define IBMVNIC_25GBPS          0x01000000
 378 #define IBMVNIC_50GBPS          0x00800000
 379 #define IBMVNIC_200GBPS         0x00400000
 380         __be32 mtu;
 381         struct ibmvnic_rc rc;
 382 } __packed __aligned(8);
 383
 384 struct ibmvnic_logical_link_state {
 385         u8 first;
 386         u8 cmd;
 387         u8 link_state;
 388 #define IBMVNIC_LOGICAL_LNK_DN 0x00
 389 #define IBMVNIC_LOGICAL_LNK_UP 0x01
 390 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 391         u8 reserved[9];
 392         struct ibmvnic_rc rc;
 393 } __packed __aligned(8);
 394
 395 struct ibmvnic_query_ip_offload {
 396         u8 first;
 397         u8 cmd;
 398         u8 reserved[2];
 399         __be32 len;
 400         __be32 ioba;
 401         struct ibmvnic_rc rc;
 402 } __packed __aligned(8);
 403
 404 struct ibmvnic_control_ip_offload {
 405         u8 first;
 406         u8 cmd;
 407         u8 reserved[2];
 408         __be32 ioba;
 409         __be32 len;
 410         struct ibmvnic_rc rc;
 411 } __packed __aligned(8);
 412
 413 struct ibmvnic_request_dump_size {
 414         u8 first;
 415         u8 cmd;
 416         u8 reserved[6];
 417         __be32 len;
 418         struct ibmvnic_rc rc;
 419 } __packed __aligned(8);
 420
 421 struct ibmvnic_request_dump {
 422         u8 first;
 423         u8 cmd;
 424         u8 reserved1[2];
 425         __be32 ioba;
 426         __be32 len;
 427         u8 reserved2[4];
 428 } __packed __aligned(8);
 429
 430 struct ibmvnic_request_dump_rsp {
 431         u8 first;
 432         u8 cmd;
 433         u8 reserved[6];
 434         __be32 dumped_len;
 435         struct ibmvnic_rc rc;
 436 } __packed __aligned(8);
 437
 438 struct ibmvnic_request_ras_comp_num {
 439         u8 first;
 440         u8 cmd;
 441         u8 reserved1[2];
 442         __be32 num_components;
 443         u8 reserved2[4];
 444         struct ibmvnic_rc rc;
 445 } __packed __aligned(8);
 446
 447 struct ibmvnic_request_ras_comps {
 448         u8 first;
 449         u8 cmd;
 450         u8 reserved[2];
 451         __be32 ioba;
 452         __be32 len;
 453         struct ibmvnic_rc rc;
 454 } __packed __aligned(8);
 455
 456 struct ibmvnic_control_ras {
 457         u8 first;
 458         u8 cmd;
 459         u8 correlator;
 460         u8 level;
 461         u8 op;
 462 #define IBMVNIC_TRACE_LEVEL     1
 463 #define IBMVNIC_ERROR_LEVEL     2
 464 #define IBMVNIC_TRACE_PAUSE     3
 465 #define IBMVNIC_TRACE_RESUME    4
 466 #define IBMVNIC_TRACE_ON                5
 467 #define IBMVNIC_TRACE_OFF               6
 468 #define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 469         u8 trace_buff_sz[3];
 470         u8 reserved[4];
 471         struct ibmvnic_rc rc;
 472 } __packed __aligned(8);
 473
 474 struct ibmvnic_collect_fw_trace {
 475         u8 first;
 476         u8 cmd;
 477         u8 correlator;
 478         u8 reserved;
 479         __be32 ioba;
 480         __be32 len;
 481         struct ibmvnic_rc rc;
 482 } __packed __aligned(8);
 483
 484 struct ibmvnic_request_statistics {
 485         u8 first;
 486         u8 cmd;
 487         u8 flags;
 488 #define IBMVNIC_PHYSICAL_PORT   0x80
 489         u8 reserved1;
 490         __be32 ioba;
 491         __be32 len;
 492         u8 reserved[4];
 493 } __packed __aligned(8);
 494
 495 struct ibmvnic_request_debug_stats {
 496         u8 first;
 497         u8 cmd;
 498         u8 reserved[2];
 499         __be32 ioba;
 500         __be32 len;
 501         struct ibmvnic_rc rc;
 502 } __packed __aligned(8);
 503
 504 struct ibmvnic_error_indication {
 505         u8 first;
 506         u8 cmd;
 507         u8 flags;
 508 #define IBMVNIC_FATAL_ERROR     0x80
 509         u8 reserved1;
 510         __be32 error_id;
 511         __be32 detail_error_sz;
 512         __be16 error_cause;
 513         u8 reserved2[2];
 514 } __packed __aligned(8);
 515
 516 struct ibmvnic_link_state_indication {
 517         u8 first;
 518         u8 cmd;
 519         u8 reserved1[2];
 520         u8 phys_link_state;
 521         u8 logical_link_state;
 522         u8 reserved2[10];
 523 } __packed __aligned(8);
 524
 525 struct ibmvnic_change_mac_addr {
 526         u8 first;
 527         u8 cmd;
 528         u8 mac_addr[6];
 529         u8 reserved[4];
 530         struct ibmvnic_rc rc;
 531 } __packed __aligned(8);
 532
 533 struct ibmvnic_multicast_ctrl {
 534         u8 first;
 535         u8 cmd;
 536         u8 mac_addr[6];
 537         u8 flags;
 538 #define IBMVNIC_ENABLE_MC               0x80
 539 #define IBMVNIC_DISABLE_MC              0x40
 540 #define IBMVNIC_ENABLE_ALL              0x20
 541 #define IBMVNIC_DISABLE_ALL     0x10
 542         u8 reserved1;
 543         __be16 reserved2; /* was num_enabled_mc_addr; */
 544         struct ibmvnic_rc rc;
 545 } __packed __aligned(8);
 546
 547 struct ibmvnic_get_vpd_size {
 548         u8 first;
 549         u8 cmd;
 550         u8 reserved[14];
 551 } __packed __aligned(8);
 552
 553 struct ibmvnic_get_vpd_size_rsp {
 554         u8 first;
 555         u8 cmd;
 556         u8 reserved[2];
 557         __be64 len;
 558         struct ibmvnic_rc rc;
 559 } __packed __aligned(8);
 560
 561 struct ibmvnic_get_vpd {
 562         u8 first;
 563         u8 cmd;
 564         u8 reserved1[2];
 565         __be32 ioba;
 566         __be32 len;
 567         u8 reserved[4];
 568 } __packed __aligned(8);
 569
 570 struct ibmvnic_get_vpd_rsp {
 571         u8 first;
 572         u8 cmd;
 573         u8 reserved[10];
 574         struct ibmvnic_rc rc;
 575 } __packed __aligned(8);
 576
 577 struct ibmvnic_acl_change_indication {
 578         u8 first;
 579         u8 cmd;
 580         __be16 change_type;
 581 #define IBMVNIC_MAC_ACL 0
 582 #define IBMVNIC_VLAN_ACL 1
 583         u8 reserved[12];
 584 } __packed __aligned(8);
 585
 586 struct ibmvnic_acl_query {
 587         u8 first;
 588         u8 cmd;
 589         u8 reserved1[2];
 590         __be32 ioba;
 591         __be32 len;
 592         u8 reserved2[4];
 593 } __packed __aligned(8);
 594
 595 struct ibmvnic_tune {
 596         u8 first;
 597         u8 cmd;
 598         u8 reserved1[2];
 599         __be32 ioba;
 600         __be32 len;
 601         u8 reserved2[4];
 602 } __packed __aligned(8);
 603
 604 struct ibmvnic_request_map {
 605         u8 first;
 606         u8 cmd;
 607         u8 reserved1;
 608         u8 map_id;
 609         __be32 ioba;
 610         __be32 len;
 611         u8 reserved2[4];
 612 } __packed __aligned(8);
 613
 614 struct ibmvnic_request_map_rsp {
 615         u8 first;
 616         u8 cmd;
 617         u8 reserved1;
 618         u8 map_id;
 619         u8 reserved2[8];
 620         struct ibmvnic_rc rc;
 621 } __packed __aligned(8);
 622
 623 struct ibmvnic_request_unmap {
 624         u8 first;
 625         u8 cmd;
 626         u8 reserved1;
 627         u8 map_id;
 628         u8 reserved2[12];
 629 } __packed __aligned(8);
 630
 631 struct ibmvnic_request_unmap_rsp {
 632         u8 first;
 633         u8 cmd;
 634         u8 reserved1;
 635         u8 map_id;
 636         u8 reserved2[8];
 637         struct ibmvnic_rc rc;
 638 } __packed __aligned(8);
 639
 640 struct ibmvnic_query_map {
 641         u8 first;
 642         u8 cmd;
 643         u8 reserved[14];
 644 } __packed __aligned(8);
 645
 646 struct ibmvnic_query_map_rsp {
 647         u8 first;
 648         u8 cmd;
 649         u8 reserved;
 650         u8 page_size;
 651         __be32 tot_pages;
 652         __be32 free_pages;
 653         struct ibmvnic_rc rc;
 654 } __packed __aligned(8);
 655
 656 union ibmvnic_crq {
 657         struct ibmvnic_generic_crq generic;
 658         struct ibmvnic_version_exchange version_exchange;
 659         struct ibmvnic_version_exchange version_exchange_rsp;
 660         struct ibmvnic_capability query_capability;
 661         struct ibmvnic_capability query_capability_rsp;
 662         struct ibmvnic_capability request_capability;
 663         struct ibmvnic_capability request_capability_rsp;
 664         struct ibmvnic_login login;
 665         struct ibmvnic_generic_crq login_rsp;
 666         struct ibmvnic_phys_parms query_phys_parms;
 667         struct ibmvnic_phys_parms query_phys_parms_rsp;
 668         struct ibmvnic_phys_parms query_phys_capabilities;
 669         struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 670         struct ibmvnic_phys_parms set_phys_parms;
 671         struct ibmvnic_phys_parms set_phys_parms_rsp;
 672         struct ibmvnic_logical_link_state logical_link_state;
 673         struct ibmvnic_logical_link_state logical_link_state_rsp;
 674         struct ibmvnic_query_ip_offload query_ip_offload;
 675         struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 676         struct ibmvnic_control_ip_offload control_ip_offload;
 677         struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 678         struct ibmvnic_request_dump_size request_dump_size;
 679         struct ibmvnic_request_dump_size request_dump_size_rsp;
 680         struct ibmvnic_request_dump request_dump;
 681         struct ibmvnic_request_dump_rsp request_dump_rsp;
 682         struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 683         struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 684         struct ibmvnic_request_ras_comps request_ras_comps;
 685         struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 686         struct ibmvnic_control_ras control_ras;
 687         struct ibmvnic_control_ras control_ras_rsp;
 688         struct ibmvnic_collect_fw_trace collect_fw_trace;
 689         struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 690         struct ibmvnic_request_statistics request_statistics;
 691         struct ibmvnic_generic_crq request_statistics_rsp;
 692         struct ibmvnic_request_debug_stats request_debug_stats;
 693         struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 694         struct ibmvnic_error_indication error_indication;
 695         struct ibmvnic_link_state_indication link_state_indication;
 696         struct ibmvnic_change_mac_addr change_mac_addr;
 697         struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 698         struct ibmvnic_multicast_ctrl multicast_ctrl;
 699         struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 700         struct ibmvnic_get_vpd_size get_vpd_size;
 701         struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 702         struct ibmvnic_get_vpd get_vpd;
 703         struct ibmvnic_get_vpd_rsp get_vpd_rsp;
 704         struct ibmvnic_acl_change_indication acl_change_indication;
 705         struct ibmvnic_acl_query acl_query;
 706         struct ibmvnic_generic_crq acl_query_rsp;
 707         struct ibmvnic_tune tune;
 708         struct ibmvnic_generic_crq tune_rsp;
 709         struct ibmvnic_request_map request_map;
 710         struct ibmvnic_request_map_rsp request_map_rsp;
 711         struct ibmvnic_request_unmap request_unmap;
 712         struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 713         struct ibmvnic_query_map query_map;
 714         struct ibmvnic_query_map_rsp query_map_rsp;
 715 };
 716
 717 enum ibmvnic_rc_codes {
 718         SUCCESS = 0,
 719         PARTIALSUCCESS = 1,
 720         PERMISSION = 2,
 721         NOMEMORY = 3,
 722         PARAMETER = 4,
 723         UNKNOWNCOMMAND = 5,
 724         ABORTED = 6,
 725         INVALIDSTATE = 7,
 726         INVALIDIOBA = 8,
 727         INVALIDLENGTH = 9,
 728         UNSUPPORTEDOPTION = 10,
 729 };
 730
 731 enum ibmvnic_capabilities {
 732         MIN_TX_QUEUES = 1,
 733         MIN_RX_QUEUES = 2,
 734         MIN_RX_ADD_QUEUES = 3,
 735         MAX_TX_QUEUES = 4,
 736         MAX_RX_QUEUES = 5,
 737         MAX_RX_ADD_QUEUES = 6,
 738         REQ_TX_QUEUES = 7,
 739         REQ_RX_QUEUES = 8,
 740         REQ_RX_ADD_QUEUES = 9,
 741         MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 742         MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 743         MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 744         MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 745         REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 746         REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 747         TCP_IP_OFFLOAD = 16,
 748         PROMISC_REQUESTED = 17,
 749         PROMISC_SUPPORTED = 18,
 750         MIN_MTU = 19,
 751         MAX_MTU = 20,
 752         REQ_MTU = 21,
 753         MAX_MULTICAST_FILTERS = 22,
 754         VLAN_HEADER_INSERTION = 23,
 755         RX_VLAN_HEADER_INSERTION = 24,
 756         MAX_TX_SG_ENTRIES = 25,
 757         RX_SG_SUPPORTED = 26,
 758         RX_SG_REQUESTED = 27,
 759         OPT_TX_COMP_SUB_QUEUES = 28,
 760         OPT_RX_COMP_QUEUES = 29,
 761         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 762         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 763         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 764         TX_RX_DESC_REQ = 33,
 765 };
 766
 767 enum ibmvnic_error_cause {
 768         ADAPTER_PROBLEM = 0,
 769         BUS_PROBLEM = 1,
 770         FW_PROBLEM = 2,
 771         DD_PROBLEM = 3,
 772         EEH_RECOVERY = 4,
 773         FW_UPDATED = 5,
 774         LOW_MEMORY = 6,
 775 };
 776
 777 enum ibmvnic_commands {
 778         VERSION_EXCHANGE = 0x01,
 779         VERSION_EXCHANGE_RSP = 0x81,
 780         QUERY_CAPABILITY = 0x02,
 781         QUERY_CAPABILITY_RSP = 0x82,
 782         REQUEST_CAPABILITY = 0x03,
 783         REQUEST_CAPABILITY_RSP = 0x83,
 784         LOGIN = 0x04,
 785         LOGIN_RSP = 0x84,
 786         QUERY_PHYS_PARMS = 0x05,
 787         QUERY_PHYS_PARMS_RSP = 0x85,
 788         QUERY_PHYS_CAPABILITIES = 0x06,
 789         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 790         SET_PHYS_PARMS = 0x07,
 791         SET_PHYS_PARMS_RSP = 0x87,
 792         ERROR_INDICATION = 0x08,
 793         LOGICAL_LINK_STATE = 0x0C,
 794         LOGICAL_LINK_STATE_RSP = 0x8C,
 795         REQUEST_STATISTICS = 0x0D,
 796         REQUEST_STATISTICS_RSP = 0x8D,
 797         COLLECT_FW_TRACE = 0x11,
 798         COLLECT_FW_TRACE_RSP = 0x91,
 799         LINK_STATE_INDICATION = 0x12,
 800         CHANGE_MAC_ADDR = 0x13,
 801         CHANGE_MAC_ADDR_RSP = 0x93,
 802         MULTICAST_CTRL = 0x14,
 803         MULTICAST_CTRL_RSP = 0x94,
 804         GET_VPD_SIZE = 0x15,
 805         GET_VPD_SIZE_RSP = 0x95,
 806         GET_VPD = 0x16,
 807         GET_VPD_RSP = 0x96,
 808         TUNE = 0x17,
 809         TUNE_RSP = 0x97,
 810         QUERY_IP_OFFLOAD = 0x18,
 811         QUERY_IP_OFFLOAD_RSP = 0x98,
 812         CONTROL_IP_OFFLOAD = 0x19,
 813         CONTROL_IP_OFFLOAD_RSP = 0x99,
 814         ACL_CHANGE_INDICATION = 0x1A,
 815         ACL_QUERY = 0x1B,
 816         ACL_QUERY_RSP = 0x9B,
 817         QUERY_MAP = 0x1D,
 818         QUERY_MAP_RSP = 0x9D,
 819         REQUEST_MAP = 0x1E,
 820         REQUEST_MAP_RSP = 0x9E,
 821         REQUEST_UNMAP = 0x1F,
 822         REQUEST_UNMAP_RSP = 0x9F,
 823         VLAN_CTRL = 0x20,
 824         VLAN_CTRL_RSP = 0xA0,
 825 };
 826
 827 enum ibmvnic_crq_type {
 828         IBMVNIC_CRQ_CMD                 = 0x80,
 829         IBMVNIC_CRQ_CMD_RSP             = 0x80,
 830         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 831         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 832         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 833 };
 834
 835 enum ibmvfc_crq_format {
 836         IBMVNIC_CRQ_INIT                 = 0x01,
 837         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 838         IBMVNIC_PARTITION_MIGRATED       = 0x06,
 839         IBMVNIC_DEVICE_FAILOVER          = 0x08,
 840 };
 841
 842 struct ibmvnic_crq_queue {
 843         union ibmvnic_crq *msgs;
 844         int size, cur;
 845         dma_addr_t msg_token;
 846         spinlock_t lock;
 847         bool active;
 848         char name[32];
 849 };
 850
 851 union sub_crq {
 852         struct ibmvnic_generic_scrq generic;
 853         struct ibmvnic_tx_comp_desc tx_comp;
 854         struct ibmvnic_tx_desc v1;
 855         struct ibmvnic_hdr_desc hdr;
 856         struct ibmvnic_hdr_ext_desc hdr_ext;
 857         struct ibmvnic_sge_desc sge;
 858         struct ibmvnic_rx_comp_desc rx_comp;
 859         struct ibmvnic_rx_buff_add_desc rx_add;
 860 };
 861
 862 struct ibmvnic_sub_crq_queue {
 863         union sub_crq *msgs;
 864         int size, cur;
 865         dma_addr_t msg_token;
 866         unsigned long crq_num;
 867         unsigned long hw_irq;
 868         unsigned int irq;
 869         unsigned int pool_index;
 870         int scrq_num;
 871         spinlock_t lock;
 872         struct sk_buff *rx_skb_top;
 873         struct ibmvnic_adapter *adapter;
 874         atomic_t used;
 875         char name[32];
 876 };
 877
 878 struct ibmvnic_long_term_buff {
 879         unsigned char *buff;
 880         dma_addr_t addr;
 881         u64 size;
 882         u8 map_id;
 883 };
 884
 885 struct ibmvnic_tx_buff {
 886         struct sk_buff *skb;
 887         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 888         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 889         int index;
 890         int pool_index;
 891         bool last_frag;
 892         union sub_crq indir_arr[6];
 893         u8 hdr_data[140];
 894         dma_addr_t indir_dma;
 895         int num_entries;
 896 };
 897
 898 struct ibmvnic_tx_pool {
 899         struct ibmvnic_tx_buff *tx_buff;
 900         int *free_map;
 901         int consumer_index;
 902         int producer_index;
 903         struct ibmvnic_long_term_buff long_term_buff;
 904         int num_buffers;
 905         int buf_size;
 906 };
 907
 908 struct ibmvnic_rx_buff {
 909         struct sk_buff *skb;
 910         dma_addr_t dma;
 911         unsigned char *data;
 912         int size;
 913         int pool_index;
 914 };
 915
 916 struct ibmvnic_rx_pool {
 917         struct ibmvnic_rx_buff *rx_buff;
 918         int size;
 919         int index;
 920         int buff_size;
 921         atomic_t available;
 922         int *free_map;
 923         int next_free;
 924         int next_alloc;
 925         int active;
 926         struct ibmvnic_long_term_buff long_term_buff;
 927 };
 928
 929 struct ibmvnic_vpd {
 930         unsigned char *buff;
 931         dma_addr_t dma_addr;
 932         u64 len;
 933 };
 934
 935 enum vnic_state {VNIC_PROBING = 1,
 936                  VNIC_PROBED,
 937                  VNIC_OPENING,
 938                  VNIC_OPEN,
 939                  VNIC_CLOSING,
 940                  VNIC_CLOSED,
 941                  VNIC_REMOVING,
 942                  VNIC_REMOVED};
 943
 944 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
 945                            VNIC_RESET_MOBILITY,
 946                            VNIC_RESET_FATAL,
 947                            VNIC_RESET_NON_FATAL,
 948                            VNIC_RESET_TIMEOUT,
 949                            VNIC_RESET_CHANGE_PARAM};
 950
 951 struct ibmvnic_rwi {
 952         enum ibmvnic_reset_reason reset_reason;
 953         struct list_head list;
 954 };
 955
 956 struct ibmvnic_tunables {
 957         u64 rx_queues;
 958         u64 tx_queues;
 959         u64 rx_entries;
 960         u64 tx_entries;
 961         u64 mtu;
 962 };
 963
 964 struct ibmvnic_adapter {
 965         struct vio_dev *vdev;
 966         struct net_device *netdev;
 967         struct ibmvnic_crq_queue crq;
 968         u8 mac_addr[ETH_ALEN];
 969         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 970         dma_addr_t ip_offload_tok;
 971         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 972         dma_addr_t ip_offload_ctrl_tok;
 973         u32 msg_enable;
 974         u32 priv_flags;
 975
 976         /* Vital Product Data (VPD) */
 977         struct ibmvnic_vpd *vpd;
 978         char fw_version[32];
 979
 980         /* Statistics */
 981         struct ibmvnic_statistics stats;
 982         dma_addr_t stats_token;
 983         struct completion stats_done;
 984         spinlock_t stats_lock;
 985         int replenish_no_mem;
 986         int replenish_add_buff_success;
 987         int replenish_add_buff_failure;
 988         int replenish_task_cycles;
 989         int tx_send_failed;
 990         int tx_map_failed;
 991
 992         struct ibmvnic_tx_queue_stats *tx_stats_buffers;
 993         struct ibmvnic_rx_queue_stats *rx_stats_buffers;
 994
 995         int phys_link_state;
 996         int logical_link_state;
 997
 998         u32 speed;
 999         u8 duplex;
1000
1001         /* login data */
1002         struct ibmvnic_login_buffer *login_buf;
1003         dma_addr_t login_buf_token;
1004         int login_buf_sz;
1005
1006         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1007         dma_addr_t login_rsp_buf_token;
1008         int login_rsp_buf_sz;
1009
1010         atomic_t running_cap_crqs;
1011         bool wait_capability;
1012
1013         struct ibmvnic_sub_crq_queue **tx_scrq;
1014         struct ibmvnic_sub_crq_queue **rx_scrq;
1015
1016         /* rx structs */
1017         struct napi_struct *napi;
1018         struct ibmvnic_rx_pool *rx_pool;
1019         u64 promisc;
1020
1021         struct ibmvnic_tx_pool *tx_pool;
1022         struct ibmvnic_tx_pool *tso_pool;
1023         struct completion init_done;
1024         int init_done_rc;
1025
1026         struct completion fw_done;
1027         int fw_done_rc;
1028
1029         struct completion reset_done;
1030         int reset_done_rc;
1031         bool wait_for_reset;
1032
1033         /* partner capabilities */
1034         u64 min_tx_queues;
1035         u64 min_rx_queues;
1036         u64 min_rx_add_queues;
1037         u64 max_tx_queues;
1038         u64 max_rx_queues;
1039         u64 max_rx_add_queues;
1040         u64 req_tx_queues;
1041         u64 req_rx_queues;
1042         u64 req_rx_add_queues;
1043         u64 min_tx_entries_per_subcrq;
1044         u64 min_rx_add_entries_per_subcrq;
1045         u64 max_tx_entries_per_subcrq;
1046         u64 max_rx_add_entries_per_subcrq;
1047         u64 req_tx_entries_per_subcrq;
1048         u64 req_rx_add_entries_per_subcrq;
1049         u64 tcp_ip_offload;
1050         u64 promisc_requested;
1051         u64 promisc_supported;
1052         u64 min_mtu;
1053         u64 max_mtu;
1054         u64 req_mtu;
1055         u64 max_multicast_filters;
1056         u64 vlan_header_insertion;
1057         u64 rx_vlan_header_insertion;
1058         u64 max_tx_sg_entries;
1059         u64 rx_sg_supported;
1060         u64 rx_sg_requested;
1061         u64 opt_tx_comp_sub_queues;
1062         u64 opt_rx_comp_queues;
1063         u64 opt_rx_bufadd_q_per_rx_comp_q;
1064         u64 opt_tx_entries_per_subcrq;
1065         u64 opt_rxba_entries_per_subcrq;
1066         __be64 tx_rx_desc_req;
1067         u8 map_id;
1068         u32 num_active_rx_scrqs;
1069         u32 num_active_rx_pools;
1070         u32 num_active_rx_napi;
1071         u32 num_active_tx_scrqs;
1072         u32 num_active_tx_pools;
1073
1074         struct tasklet_struct tasklet;
1075         enum vnic_state state;
1076         enum ibmvnic_reset_reason reset_reason;
1077         spinlock_t rwi_lock;
1078         struct list_head rwi_list;
1079         struct work_struct ibmvnic_reset;
1080         bool resetting;
1081         bool napi_enabled, from_passive_init;
1082
1083         bool failover_pending;
1084         bool force_reset_recovery;
1085
1086         struct ibmvnic_tunables desired;
1087         struct ibmvnic_tunables fallback;
1088 };