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 #define NUM_TX_STATS 3
 170 struct ibmvnic_tx_queue_stats {
 171         u64 packets;
 172         u64 bytes;
 173         u64 dropped_packets;
 174 };
 175
 176 #define NUM_RX_STATS 3
 177 struct ibmvnic_rx_queue_stats {
 178         u64 packets;
 179         u64 bytes;
 180         u64 interrupts;
 181 };
 182
 183 struct ibmvnic_acl_buffer {
 184         __be32 len;
 185         __be32 version;
 186 #define INITIAL_VERSION_IOB 1
 187         u8 mac_acls_restrict;
 188         u8 vlan_acls_restrict;
 189         u8 reserved1[22];
 190         __be32 num_mac_addrs;
 191         __be32 offset_mac_addrs;
 192         __be32 num_vlan_ids;
 193         __be32 offset_vlan_ids;
 194         u8 reserved2[80];
 195 } __packed __aligned(8);
 196
 197 /* descriptors have been changed, how should this be defined?  1? 4? */
 198
 199 #define IBMVNIC_TX_DESC_VERSIONS 3
 200
 201 /* is this still needed? */
 202 struct ibmvnic_tx_comp_desc {
 203         u8 first;
 204         u8 num_comps;
 205         __be16 rcs[5];
 206         __be32 correlators[5];
 207 } __packed __aligned(8);
 208
 209 /* some flags that included in v0 descriptor, which is gone
 210  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 211  * and only in some offload_flags variable that doesn't seem
 212  * to be used anywhere, can probably be removed?
 213  */
 214
 215 #define IBMVNIC_TCP_CHKSUM              0x20
 216 #define IBMVNIC_UDP_CHKSUM              0x08
 217
 218 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 219
 220 struct ibmvnic_tx_desc {
 221         u8 first;
 222         u8 type;
 223
 224 #define IBMVNIC_TX_DESC 0x10
 225         u8 n_crq_elem;
 226         u8 n_sge;
 227         u8 flags1;
 228 #define IBMVNIC_TX_COMP_NEEDED          0x80
 229 #define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 230 #define IBMVNIC_TX_LSO                  0x20
 231 #define IBMVNIC_TX_PROT_TCP             0x10
 232 #define IBMVNIC_TX_PROT_UDP             0x08
 233 #define IBMVNIC_TX_PROT_IPV4            0x04
 234 #define IBMVNIC_TX_PROT_IPV6            0x02
 235 #define IBMVNIC_TX_VLAN_PRESENT         0x01
 236         u8 flags2;
 237 #define IBMVNIC_TX_VLAN_INSERT          0x80
 238         __be16 mss;
 239         u8 reserved[4];
 240         __be32 correlator;
 241         __be16 vlan_id;
 242         __be16 dma_reg;
 243         __be32 sge_len;
 244         __be64 ioba;
 245 } __packed __aligned(8);
 246
 247 struct ibmvnic_hdr_desc {
 248         u8 first;
 249         u8 type;
 250 #define IBMVNIC_HDR_DESC                0x11
 251         u8 len;
 252         u8 l2_len;
 253         __be16 l3_len;
 254         u8 l4_len;
 255         u8 flag;
 256         u8 data[24];
 257 } __packed __aligned(8);
 258
 259 struct ibmvnic_hdr_ext_desc {
 260         u8 first;
 261         u8 type;
 262 #define IBMVNIC_HDR_EXT_DESC            0x12
 263         u8 len;
 264         u8 data[29];
 265 } __packed __aligned(8);
 266
 267 struct ibmvnic_sge_desc {
 268         u8 first;
 269         u8 type;
 270 #define IBMVNIC_SGE_DESC                0x30
 271         __be16 sge1_dma_reg;
 272         __be32 sge1_len;
 273         __be64 sge1_ioba;
 274         __be16 reserved;
 275         __be16 sge2_dma_reg;
 276         __be32 sge2_len;
 277         __be64 sge2_ioba;
 278 } __packed __aligned(8);
 279
 280 struct ibmvnic_rx_comp_desc {
 281         u8 first;
 282         u8 flags;
 283 #define IBMVNIC_IP_CHKSUM_GOOD          0x80
 284 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 285 #define IBMVNIC_END_FRAME                       0x20
 286 #define IBMVNIC_EXACT_MC                        0x10
 287 #define IBMVNIC_VLAN_STRIPPED                   0x08
 288         __be16 off_frame_data;
 289         __be32 len;
 290         __be64 correlator;
 291         __be16 vlan_tci;
 292         __be16 rc;
 293         u8 reserved[12];
 294 } __packed __aligned(8);
 295
 296 struct ibmvnic_generic_scrq {
 297         u8 first;
 298         u8 reserved[31];
 299 } __packed __aligned(8);
 300
 301 struct ibmvnic_rx_buff_add_desc {
 302         u8 first;
 303         u8 reserved[7];
 304         __be64 correlator;
 305         __be32 ioba;
 306         u8 map_id;
 307         __be32 len:24;
 308         u8 reserved2[8];
 309 } __packed __aligned(8);
 310
 311 struct ibmvnic_rc {
 312         u8 code; /* one of enum ibmvnic_rc_codes */
 313         u8 detailed_data[3];
 314 } __packed __aligned(4);
 315
 316 struct ibmvnic_generic_crq {
 317         u8 first;
 318         u8 cmd;
 319         u8 params[10];
 320         struct ibmvnic_rc rc;
 321 } __packed __aligned(8);
 322
 323 struct ibmvnic_version_exchange {
 324         u8 first;
 325         u8 cmd;
 326         __be16 version;
 327 #define IBMVNIC_INITIAL_VERSION 1
 328         u8 reserved[8];
 329         struct ibmvnic_rc rc;
 330 } __packed __aligned(8);
 331
 332 struct ibmvnic_capability {
 333         u8 first;
 334         u8 cmd;
 335         __be16 capability; /* one of ibmvnic_capabilities */
 336         __be64 number;
 337         struct ibmvnic_rc rc;
 338 } __packed __aligned(8);
 339
 340 struct ibmvnic_login {
 341         u8 first;
 342         u8 cmd;
 343         u8 reserved[6];
 344         __be32 ioba;
 345         __be32 len;
 346 } __packed __aligned(8);
 347
 348 struct ibmvnic_phys_parms {
 349         u8 first;
 350         u8 cmd;
 351         u8 flags1;
 352 #define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 353 #define IBMVNIC_INTERNAL_LOOPBACK       0x40
 354 #define IBMVNIC_PROMISC         0x20
 355 #define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 356 #define IBMVNIC_AUTONEG_DUPLEX  0x08
 357 #define IBMVNIC_FULL_DUPLEX     0x04
 358 #define IBMVNIC_HALF_DUPLEX     0x02
 359 #define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 360         u8 flags2;
 361 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 362         __be32 speed;
 363 #define IBMVNIC_AUTONEG         0x80
 364 #define IBMVNIC_10MBPS          0x40
 365 #define IBMVNIC_100MBPS         0x20
 366 #define IBMVNIC_1GBPS           0x10
 367 #define IBMVNIC_10GBPS          0x08
 368         __be32 mtu;
 369         struct ibmvnic_rc rc;
 370 } __packed __aligned(8);
 371
 372 struct ibmvnic_logical_link_state {
 373         u8 first;
 374         u8 cmd;
 375         u8 link_state;
 376 #define IBMVNIC_LOGICAL_LNK_DN 0x00
 377 #define IBMVNIC_LOGICAL_LNK_UP 0x01
 378 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 379         u8 reserved[9];
 380         struct ibmvnic_rc rc;
 381 } __packed __aligned(8);
 382
 383 struct ibmvnic_query_ip_offload {
 384         u8 first;
 385         u8 cmd;
 386         u8 reserved[2];
 387         __be32 len;
 388         __be32 ioba;
 389         struct ibmvnic_rc rc;
 390 } __packed __aligned(8);
 391
 392 struct ibmvnic_control_ip_offload {
 393         u8 first;
 394         u8 cmd;
 395         u8 reserved[2];
 396         __be32 ioba;
 397         __be32 len;
 398         struct ibmvnic_rc rc;
 399 } __packed __aligned(8);
 400
 401 struct ibmvnic_request_dump_size {
 402         u8 first;
 403         u8 cmd;
 404         u8 reserved[6];
 405         __be32 len;
 406         struct ibmvnic_rc rc;
 407 } __packed __aligned(8);
 408
 409 struct ibmvnic_request_dump {
 410         u8 first;
 411         u8 cmd;
 412         u8 reserved1[2];
 413         __be32 ioba;
 414         __be32 len;
 415         u8 reserved2[4];
 416 } __packed __aligned(8);
 417
 418 struct ibmvnic_request_dump_rsp {
 419         u8 first;
 420         u8 cmd;
 421         u8 reserved[6];
 422         __be32 dumped_len;
 423         struct ibmvnic_rc rc;
 424 } __packed __aligned(8);
 425
 426 struct ibmvnic_request_ras_comp_num {
 427         u8 first;
 428         u8 cmd;
 429         u8 reserved1[2];
 430         __be32 num_components;
 431         u8 reserved2[4];
 432         struct ibmvnic_rc rc;
 433 } __packed __aligned(8);
 434
 435 struct ibmvnic_request_ras_comps {
 436         u8 first;
 437         u8 cmd;
 438         u8 reserved[2];
 439         __be32 ioba;
 440         __be32 len;
 441         struct ibmvnic_rc rc;
 442 } __packed __aligned(8);
 443
 444 struct ibmvnic_control_ras {
 445         u8 first;
 446         u8 cmd;
 447         u8 correlator;
 448         u8 level;
 449         u8 op;
 450 #define IBMVNIC_TRACE_LEVEL     1
 451 #define IBMVNIC_ERROR_LEVEL     2
 452 #define IBMVNIC_TRACE_PAUSE     3
 453 #define IBMVNIC_TRACE_RESUME    4
 454 #define IBMVNIC_TRACE_ON                5
 455 #define IBMVNIC_TRACE_OFF               6
 456 #define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 457         u8 trace_buff_sz[3];
 458         u8 reserved[4];
 459         struct ibmvnic_rc rc;
 460 } __packed __aligned(8);
 461
 462 struct ibmvnic_collect_fw_trace {
 463         u8 first;
 464         u8 cmd;
 465         u8 correlator;
 466         u8 reserved;
 467         __be32 ioba;
 468         __be32 len;
 469         struct ibmvnic_rc rc;
 470 } __packed __aligned(8);
 471
 472 struct ibmvnic_request_statistics {
 473         u8 first;
 474         u8 cmd;
 475         u8 flags;
 476 #define IBMVNIC_PHYSICAL_PORT   0x80
 477         u8 reserved1;
 478         __be32 ioba;
 479         __be32 len;
 480         u8 reserved[4];
 481 } __packed __aligned(8);
 482
 483 struct ibmvnic_request_debug_stats {
 484         u8 first;
 485         u8 cmd;
 486         u8 reserved[2];
 487         __be32 ioba;
 488         __be32 len;
 489         struct ibmvnic_rc rc;
 490 } __packed __aligned(8);
 491
 492 struct ibmvnic_error_indication {
 493         u8 first;
 494         u8 cmd;
 495         u8 flags;
 496 #define IBMVNIC_FATAL_ERROR     0x80
 497         u8 reserved1;
 498         __be32 error_id;
 499         __be32 detail_error_sz;
 500         __be16 error_cause;
 501         u8 reserved2[2];
 502 } __packed __aligned(8);
 503
 504 struct ibmvnic_request_error_info {
 505         u8 first;
 506         u8 cmd;
 507         u8 reserved[2];
 508         __be32 ioba;
 509         __be32 len;
 510         __be32 error_id;
 511 } __packed __aligned(8);
 512
 513 struct ibmvnic_request_error_rsp {
 514         u8 first;
 515         u8 cmd;
 516         u8 reserved[2];
 517         __be32 error_id;
 518         __be32 len;
 519         struct ibmvnic_rc rc;
 520 } __packed __aligned(8);
 521
 522 struct ibmvnic_link_state_indication {
 523         u8 first;
 524         u8 cmd;
 525         u8 reserved1[2];
 526         u8 phys_link_state;
 527         u8 logical_link_state;
 528         u8 reserved2[10];
 529 } __packed __aligned(8);
 530
 531 struct ibmvnic_change_mac_addr {
 532         u8 first;
 533         u8 cmd;
 534         u8 mac_addr[6];
 535         u8 reserved[4];
 536         struct ibmvnic_rc rc;
 537 } __packed __aligned(8);
 538
 539 struct ibmvnic_multicast_ctrl {
 540         u8 first;
 541         u8 cmd;
 542         u8 mac_addr[6];
 543         u8 flags;
 544 #define IBMVNIC_ENABLE_MC               0x80
 545 #define IBMVNIC_DISABLE_MC              0x40
 546 #define IBMVNIC_ENABLE_ALL              0x20
 547 #define IBMVNIC_DISABLE_ALL     0x10
 548         u8 reserved1;
 549         __be16 reserved2; /* was num_enabled_mc_addr; */
 550         struct ibmvnic_rc rc;
 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_acl_change_indication {
 571         u8 first;
 572         u8 cmd;
 573         __be16 change_type;
 574 #define IBMVNIC_MAC_ACL 0
 575 #define IBMVNIC_VLAN_ACL 1
 576         u8 reserved[12];
 577 } __packed __aligned(8);
 578
 579 struct ibmvnic_acl_query {
 580         u8 first;
 581         u8 cmd;
 582         u8 reserved1[2];
 583         __be32 ioba;
 584         __be32 len;
 585         u8 reserved2[4];
 586 } __packed __aligned(8);
 587
 588 struct ibmvnic_tune {
 589         u8 first;
 590         u8 cmd;
 591         u8 reserved1[2];
 592         __be32 ioba;
 593         __be32 len;
 594         u8 reserved2[4];
 595 } __packed __aligned(8);
 596
 597 struct ibmvnic_request_map {
 598         u8 first;
 599         u8 cmd;
 600         u8 reserved1;
 601         u8 map_id;
 602         __be32 ioba;
 603         __be32 len;
 604         u8 reserved2[4];
 605 } __packed __aligned(8);
 606
 607 struct ibmvnic_request_map_rsp {
 608         u8 first;
 609         u8 cmd;
 610         u8 reserved1;
 611         u8 map_id;
 612         u8 reserved2[8];
 613         struct ibmvnic_rc rc;
 614 } __packed __aligned(8);
 615
 616 struct ibmvnic_request_unmap {
 617         u8 first;
 618         u8 cmd;
 619         u8 reserved1;
 620         u8 map_id;
 621         u8 reserved2[12];
 622 } __packed __aligned(8);
 623
 624 struct ibmvnic_request_unmap_rsp {
 625         u8 first;
 626         u8 cmd;
 627         u8 reserved1;
 628         u8 map_id;
 629         u8 reserved2[8];
 630         struct ibmvnic_rc rc;
 631 } __packed __aligned(8);
 632
 633 struct ibmvnic_query_map {
 634         u8 first;
 635         u8 cmd;
 636         u8 reserved[14];
 637 } __packed __aligned(8);
 638
 639 struct ibmvnic_query_map_rsp {
 640         u8 first;
 641         u8 cmd;
 642         u8 reserved;
 643         u8 page_size;
 644         __be32 tot_pages;
 645         __be32 free_pages;
 646         struct ibmvnic_rc rc;
 647 } __packed __aligned(8);
 648
 649 union ibmvnic_crq {
 650         struct ibmvnic_generic_crq generic;
 651         struct ibmvnic_version_exchange version_exchange;
 652         struct ibmvnic_version_exchange version_exchange_rsp;
 653         struct ibmvnic_capability query_capability;
 654         struct ibmvnic_capability query_capability_rsp;
 655         struct ibmvnic_capability request_capability;
 656         struct ibmvnic_capability request_capability_rsp;
 657         struct ibmvnic_login login;
 658         struct ibmvnic_generic_crq login_rsp;
 659         struct ibmvnic_phys_parms query_phys_parms;
 660         struct ibmvnic_phys_parms query_phys_parms_rsp;
 661         struct ibmvnic_phys_parms query_phys_capabilities;
 662         struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 663         struct ibmvnic_phys_parms set_phys_parms;
 664         struct ibmvnic_phys_parms set_phys_parms_rsp;
 665         struct ibmvnic_logical_link_state logical_link_state;
 666         struct ibmvnic_logical_link_state logical_link_state_rsp;
 667         struct ibmvnic_query_ip_offload query_ip_offload;
 668         struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 669         struct ibmvnic_control_ip_offload control_ip_offload;
 670         struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 671         struct ibmvnic_request_dump_size request_dump_size;
 672         struct ibmvnic_request_dump_size request_dump_size_rsp;
 673         struct ibmvnic_request_dump request_dump;
 674         struct ibmvnic_request_dump_rsp request_dump_rsp;
 675         struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 676         struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 677         struct ibmvnic_request_ras_comps request_ras_comps;
 678         struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 679         struct ibmvnic_control_ras control_ras;
 680         struct ibmvnic_control_ras control_ras_rsp;
 681         struct ibmvnic_collect_fw_trace collect_fw_trace;
 682         struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 683         struct ibmvnic_request_statistics request_statistics;
 684         struct ibmvnic_generic_crq request_statistics_rsp;
 685         struct ibmvnic_request_debug_stats request_debug_stats;
 686         struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 687         struct ibmvnic_error_indication error_indication;
 688         struct ibmvnic_request_error_info request_error_info;
 689         struct ibmvnic_request_error_rsp request_error_rsp;
 690         struct ibmvnic_link_state_indication link_state_indication;
 691         struct ibmvnic_change_mac_addr change_mac_addr;
 692         struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 693         struct ibmvnic_multicast_ctrl multicast_ctrl;
 694         struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 695         struct ibmvnic_generic_crq get_vpd_size;
 696         struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 697         struct ibmvnic_get_vpd get_vpd;
 698         struct ibmvnic_generic_crq get_vpd_rsp;
 699         struct ibmvnic_acl_change_indication acl_change_indication;
 700         struct ibmvnic_acl_query acl_query;
 701         struct ibmvnic_generic_crq acl_query_rsp;
 702         struct ibmvnic_tune tune;
 703         struct ibmvnic_generic_crq tune_rsp;
 704         struct ibmvnic_request_map request_map;
 705         struct ibmvnic_request_map_rsp request_map_rsp;
 706         struct ibmvnic_request_unmap request_unmap;
 707         struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 708         struct ibmvnic_query_map query_map;
 709         struct ibmvnic_query_map_rsp query_map_rsp;
 710 };
 711
 712 enum ibmvnic_rc_codes {
 713         SUCCESS = 0,
 714         PARTIALSUCCESS = 1,
 715         PERMISSION = 2,
 716         NOMEMORY = 3,
 717         PARAMETER = 4,
 718         UNKNOWNCOMMAND = 5,
 719         ABORTED = 6,
 720         INVALIDSTATE = 7,
 721         INVALIDIOBA = 8,
 722         INVALIDLENGTH = 9,
 723         UNSUPPORTEDOPTION = 10,
 724 };
 725
 726 enum ibmvnic_capabilities {
 727         MIN_TX_QUEUES = 1,
 728         MIN_RX_QUEUES = 2,
 729         MIN_RX_ADD_QUEUES = 3,
 730         MAX_TX_QUEUES = 4,
 731         MAX_RX_QUEUES = 5,
 732         MAX_RX_ADD_QUEUES = 6,
 733         REQ_TX_QUEUES = 7,
 734         REQ_RX_QUEUES = 8,
 735         REQ_RX_ADD_QUEUES = 9,
 736         MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 737         MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 738         MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 739         MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 740         REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 741         REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 742         TCP_IP_OFFLOAD = 16,
 743         PROMISC_REQUESTED = 17,
 744         PROMISC_SUPPORTED = 18,
 745         MIN_MTU = 19,
 746         MAX_MTU = 20,
 747         REQ_MTU = 21,
 748         MAX_MULTICAST_FILTERS = 22,
 749         VLAN_HEADER_INSERTION = 23,
 750         RX_VLAN_HEADER_INSERTION = 24,
 751         MAX_TX_SG_ENTRIES = 25,
 752         RX_SG_SUPPORTED = 26,
 753         RX_SG_REQUESTED = 27,
 754         OPT_TX_COMP_SUB_QUEUES = 28,
 755         OPT_RX_COMP_QUEUES = 29,
 756         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 757         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 758         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 759         TX_RX_DESC_REQ = 33,
 760 };
 761
 762 enum ibmvnic_error_cause {
 763         ADAPTER_PROBLEM = 0,
 764         BUS_PROBLEM = 1,
 765         FW_PROBLEM = 2,
 766         DD_PROBLEM = 3,
 767         EEH_RECOVERY = 4,
 768         FW_UPDATED = 5,
 769         LOW_MEMORY = 6,
 770 };
 771
 772 enum ibmvnic_commands {
 773         VERSION_EXCHANGE = 0x01,
 774         VERSION_EXCHANGE_RSP = 0x81,
 775         QUERY_CAPABILITY = 0x02,
 776         QUERY_CAPABILITY_RSP = 0x82,
 777         REQUEST_CAPABILITY = 0x03,
 778         REQUEST_CAPABILITY_RSP = 0x83,
 779         LOGIN = 0x04,
 780         LOGIN_RSP = 0x84,
 781         QUERY_PHYS_PARMS = 0x05,
 782         QUERY_PHYS_PARMS_RSP = 0x85,
 783         QUERY_PHYS_CAPABILITIES = 0x06,
 784         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 785         SET_PHYS_PARMS = 0x07,
 786         SET_PHYS_PARMS_RSP = 0x87,
 787         ERROR_INDICATION = 0x08,
 788         REQUEST_ERROR_INFO = 0x09,
 789         REQUEST_ERROR_RSP = 0x89,
 790         LOGICAL_LINK_STATE = 0x0C,
 791         LOGICAL_LINK_STATE_RSP = 0x8C,
 792         REQUEST_STATISTICS = 0x0D,
 793         REQUEST_STATISTICS_RSP = 0x8D,
 794         COLLECT_FW_TRACE = 0x11,
 795         COLLECT_FW_TRACE_RSP = 0x91,
 796         LINK_STATE_INDICATION = 0x12,
 797         CHANGE_MAC_ADDR = 0x13,
 798         CHANGE_MAC_ADDR_RSP = 0x93,
 799         MULTICAST_CTRL = 0x14,
 800         MULTICAST_CTRL_RSP = 0x94,
 801         GET_VPD_SIZE = 0x15,
 802         GET_VPD_SIZE_RSP = 0x95,
 803         GET_VPD = 0x16,
 804         GET_VPD_RSP = 0x96,
 805         TUNE = 0x17,
 806         TUNE_RSP = 0x97,
 807         QUERY_IP_OFFLOAD = 0x18,
 808         QUERY_IP_OFFLOAD_RSP = 0x98,
 809         CONTROL_IP_OFFLOAD = 0x19,
 810         CONTROL_IP_OFFLOAD_RSP = 0x99,
 811         ACL_CHANGE_INDICATION = 0x1A,
 812         ACL_QUERY = 0x1B,
 813         ACL_QUERY_RSP = 0x9B,
 814         QUERY_MAP = 0x1D,
 815         QUERY_MAP_RSP = 0x9D,
 816         REQUEST_MAP = 0x1E,
 817         REQUEST_MAP_RSP = 0x9E,
 818         REQUEST_UNMAP = 0x1F,
 819         REQUEST_UNMAP_RSP = 0x9F,
 820         VLAN_CTRL = 0x20,
 821         VLAN_CTRL_RSP = 0xA0,
 822 };
 823
 824 enum ibmvnic_crq_type {
 825         IBMVNIC_CRQ_CMD                 = 0x80,
 826         IBMVNIC_CRQ_CMD_RSP             = 0x80,
 827         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 828         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 829         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 830 };
 831
 832 enum ibmvfc_crq_format {
 833         IBMVNIC_CRQ_INIT                 = 0x01,
 834         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 835         IBMVNIC_PARTITION_MIGRATED       = 0x06,
 836         IBMVNIC_DEVICE_FAILOVER          = 0x08,
 837 };
 838
 839 struct ibmvnic_crq_queue {
 840         union ibmvnic_crq *msgs;
 841         int size, cur;
 842         dma_addr_t msg_token;
 843         spinlock_t lock;
 844 };
 845
 846 union sub_crq {
 847         struct ibmvnic_generic_scrq generic;
 848         struct ibmvnic_tx_comp_desc tx_comp;
 849         struct ibmvnic_tx_desc v1;
 850         struct ibmvnic_hdr_desc hdr;
 851         struct ibmvnic_hdr_ext_desc hdr_ext;
 852         struct ibmvnic_sge_desc sge;
 853         struct ibmvnic_rx_comp_desc rx_comp;
 854         struct ibmvnic_rx_buff_add_desc rx_add;
 855 };
 856
 857 struct ibmvnic_sub_crq_queue {
 858         union sub_crq *msgs;
 859         int size, cur;
 860         dma_addr_t msg_token;
 861         unsigned long crq_num;
 862         unsigned long hw_irq;
 863         unsigned int irq;
 864         unsigned int pool_index;
 865         int scrq_num;
 866         spinlock_t lock;
 867         struct sk_buff *rx_skb_top;
 868         struct ibmvnic_adapter *adapter;
 869         atomic_t used;
 870 };
 871
 872 struct ibmvnic_long_term_buff {
 873         unsigned char *buff;
 874         dma_addr_t addr;
 875         u64 size;
 876         u8 map_id;
 877 };
 878
 879 struct ibmvnic_tx_buff {
 880         struct sk_buff *skb;
 881         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 882         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 883         int index;
 884         int pool_index;
 885         bool last_frag;
 886         union sub_crq indir_arr[6];
 887         u8 hdr_data[140];
 888         dma_addr_t indir_dma;
 889 };
 890
 891 struct ibmvnic_tx_pool {
 892         struct ibmvnic_tx_buff *tx_buff;
 893         int *free_map;
 894         int consumer_index;
 895         int producer_index;
 896         wait_queue_head_t ibmvnic_tx_comp_q;
 897         struct task_struct *work_thread;
 898         struct ibmvnic_long_term_buff long_term_buff;
 899 };
 900
 901 struct ibmvnic_rx_buff {
 902         struct sk_buff *skb;
 903         dma_addr_t dma;
 904         unsigned char *data;
 905         int size;
 906         int pool_index;
 907 };
 908
 909 struct ibmvnic_rx_pool {
 910         struct ibmvnic_rx_buff *rx_buff;
 911         int size;
 912         int index;
 913         int buff_size;
 914         atomic_t available;
 915         int *free_map;
 916         int next_free;
 917         int next_alloc;
 918         int active;
 919         struct ibmvnic_long_term_buff long_term_buff;
 920 };
 921
 922 struct ibmvnic_error_buff {
 923         char *buff;
 924         dma_addr_t dma;
 925         int len;
 926         struct list_head list;
 927         __be32 error_id;
 928 };
 929
 930 enum vnic_state {VNIC_PROBING = 1,
 931                  VNIC_PROBED,
 932                  VNIC_OPENING,
 933                  VNIC_OPEN,
 934                  VNIC_CLOSING,
 935                  VNIC_CLOSED,
 936                  VNIC_REMOVING,
 937                  VNIC_REMOVED};
 938
 939 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
 940                            VNIC_RESET_MOBILITY,
 941                            VNIC_RESET_FATAL,
 942                            VNIC_RESET_NON_FATAL,
 943                            VNIC_RESET_TIMEOUT};
 944
 945 struct ibmvnic_rwi {
 946         enum ibmvnic_reset_reason reset_reason;
 947         struct list_head list;
 948 };
 949
 950 struct ibmvnic_adapter {
 951         struct vio_dev *vdev;
 952         struct net_device *netdev;
 953         struct ibmvnic_crq_queue crq;
 954         u8 mac_addr[ETH_ALEN];
 955         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 956         dma_addr_t ip_offload_tok;
 957         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 958         dma_addr_t ip_offload_ctrl_tok;
 959         u32 msg_enable;
 960
 961         /* Statistics */
 962         struct ibmvnic_statistics stats;
 963         dma_addr_t stats_token;
 964         struct completion stats_done;
 965         spinlock_t stats_lock;
 966         int replenish_no_mem;
 967         int replenish_add_buff_success;
 968         int replenish_add_buff_failure;
 969         int replenish_task_cycles;
 970         int tx_send_failed;
 971         int tx_map_failed;
 972
 973         struct ibmvnic_tx_queue_stats *tx_stats_buffers;
 974         struct ibmvnic_rx_queue_stats *rx_stats_buffers;
 975
 976         int phys_link_state;
 977         int logical_link_state;
 978
 979         /* login data */
 980         struct ibmvnic_login_buffer *login_buf;
 981         dma_addr_t login_buf_token;
 982         int login_buf_sz;
 983
 984         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
 985         dma_addr_t login_rsp_buf_token;
 986         int login_rsp_buf_sz;
 987
 988         atomic_t running_cap_crqs;
 989         bool wait_capability;
 990
 991         struct ibmvnic_sub_crq_queue **tx_scrq;
 992         struct ibmvnic_sub_crq_queue **rx_scrq;
 993         bool renegotiate;
 994
 995         /* rx structs */
 996         struct napi_struct *napi;
 997         struct ibmvnic_rx_pool *rx_pool;
 998         u64 promisc;
 999
1000         struct ibmvnic_tx_pool *tx_pool;
1001         struct completion init_done;
1002         int init_done_rc;
1003
1004         struct list_head errors;
1005         spinlock_t error_list_lock;
1006
1007         struct completion fw_done;
1008         int fw_done_rc;
1009
1010         /* partner capabilities */
1011         u64 min_tx_queues;
1012         u64 min_rx_queues;
1013         u64 min_rx_add_queues;
1014         u64 max_tx_queues;
1015         u64 max_rx_queues;
1016         u64 max_rx_add_queues;
1017         u64 req_tx_queues;
1018         u64 req_rx_queues;
1019         u64 req_rx_add_queues;
1020         u64 min_tx_entries_per_subcrq;
1021         u64 min_rx_add_entries_per_subcrq;
1022         u64 max_tx_entries_per_subcrq;
1023         u64 max_rx_add_entries_per_subcrq;
1024         u64 req_tx_entries_per_subcrq;
1025         u64 req_rx_add_entries_per_subcrq;
1026         u64 tcp_ip_offload;
1027         u64 promisc_requested;
1028         u64 promisc_supported;
1029         u64 min_mtu;
1030         u64 max_mtu;
1031         u64 req_mtu;
1032         u64 max_multicast_filters;
1033         u64 vlan_header_insertion;
1034         u64 rx_vlan_header_insertion;
1035         u64 max_tx_sg_entries;
1036         u64 rx_sg_supported;
1037         u64 rx_sg_requested;
1038         u64 opt_tx_comp_sub_queues;
1039         u64 opt_rx_comp_queues;
1040         u64 opt_rx_bufadd_q_per_rx_comp_q;
1041         u64 opt_tx_entries_per_subcrq;
1042         u64 opt_rxba_entries_per_subcrq;
1043         __be64 tx_rx_desc_req;
1044         u8 map_id;
1045
1046         struct tasklet_struct tasklet;
1047         enum vnic_state state;
1048         enum ibmvnic_reset_reason reset_reason;
1049         struct mutex reset_lock, rwi_lock;
1050         struct list_head rwi_list;
1051         struct work_struct ibmvnic_reset;
1052         bool resetting;
1053         bool napi_enabled, from_passive_init;
1054 };