linux/drivers/net/ethernet/ibm/ibmvnic.h
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   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#define IBMVNIC_RESET_DELAY 100
  43
  44static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = {
  45#define IBMVNIC_USE_SERVER_MAXES 0x1
  46        "use-server-maxes"
  47};
  48
  49struct ibmvnic_login_buffer {
  50        __be32 len;
  51        __be32 version;
  52#define INITIAL_VERSION_LB 1
  53        __be32 num_txcomp_subcrqs;
  54        __be32 off_txcomp_subcrqs;
  55        __be32 num_rxcomp_subcrqs;
  56        __be32 off_rxcomp_subcrqs;
  57        __be32 login_rsp_ioba;
  58        __be32 login_rsp_len;
  59        __be32 client_data_offset;
  60        __be32 client_data_len;
  61} __packed __aligned(8);
  62
  63struct ibmvnic_login_rsp_buffer {
  64        __be32 len;
  65        __be32 version;
  66#define INITIAL_VERSION_LRB 1
  67        __be32 num_txsubm_subcrqs;
  68        __be32 off_txsubm_subcrqs;
  69        __be32 num_rxadd_subcrqs;
  70        __be32 off_rxadd_subcrqs;
  71        __be32 off_rxadd_buff_size;
  72        __be32 num_supp_tx_desc;
  73        __be32 off_supp_tx_desc;
  74} __packed __aligned(8);
  75
  76struct ibmvnic_query_ip_offload_buffer {
  77        __be32 len;
  78        __be32 version;
  79#define INITIAL_VERSION_IOB 1
  80        u8 ipv4_chksum;
  81        u8 ipv6_chksum;
  82        u8 tcp_ipv4_chksum;
  83        u8 tcp_ipv6_chksum;
  84        u8 udp_ipv4_chksum;
  85        u8 udp_ipv6_chksum;
  86        u8 large_tx_ipv4;
  87        u8 large_tx_ipv6;
  88        u8 large_rx_ipv4;
  89        u8 large_rx_ipv6;
  90        u8 reserved1[14];
  91        __be16 max_ipv4_header_size;
  92        __be16 max_ipv6_header_size;
  93        __be16 max_tcp_header_size;
  94        __be16 max_udp_header_size;
  95        __be32 max_large_tx_size;
  96        __be32 max_large_rx_size;
  97        u8 reserved2[16];
  98        u8 ipv6_extension_header;
  99#define IPV6_EH_NOT_SUPPORTED   0x00
 100#define IPV6_EH_SUPPORTED_LIM   0x01
 101#define IPV6_EH_SUPPORTED       0xFF
 102        u8 tcp_pseudosum_req;
 103#define TCP_PS_NOT_REQUIRED     0x00
 104#define TCP_PS_REQUIRED         0x01
 105        u8 reserved3[30];
 106        __be16 num_ipv6_ext_headers;
 107        __be32 off_ipv6_ext_headers;
 108        u8 reserved4[154];
 109} __packed __aligned(8);
 110
 111struct ibmvnic_control_ip_offload_buffer {
 112        __be32 len;
 113        __be32 version;
 114#define INITIAL_VERSION_IOB 1
 115        u8 ipv4_chksum;
 116        u8 ipv6_chksum;
 117        u8 tcp_ipv4_chksum;
 118        u8 tcp_ipv6_chksum;
 119        u8 udp_ipv4_chksum;
 120        u8 udp_ipv6_chksum;
 121        u8 large_tx_ipv4;
 122        u8 large_tx_ipv6;
 123        u8 bad_packet_rx;
 124        u8 large_rx_ipv4;
 125        u8 large_rx_ipv6;
 126        u8 reserved4[111];
 127} __packed __aligned(8);
 128
 129struct ibmvnic_fw_component {
 130        u8 name[48];
 131        __be32 trace_buff_size;
 132        u8 correlator;
 133        u8 trace_level;
 134        u8 parent_correlator;
 135        u8 error_check_level;
 136        u8 trace_on;
 137        u8 reserved[7];
 138        u8 description[192];
 139} __packed __aligned(8);
 140
 141struct ibmvnic_fw_trace_entry {
 142        __be32 trace_id;
 143        u8 num_valid_data;
 144        u8 reserved[3];
 145        __be64 pmc_registers;
 146        __be64 timebase;
 147        __be64 trace_data[5];
 148} __packed __aligned(8);
 149
 150struct ibmvnic_statistics {
 151        __be32 version;
 152        __be32 promiscuous;
 153        __be64 rx_packets;
 154        __be64 rx_bytes;
 155        __be64 tx_packets;
 156        __be64 tx_bytes;
 157        __be64 ucast_tx_packets;
 158        __be64 ucast_rx_packets;
 159        __be64 mcast_tx_packets;
 160        __be64 mcast_rx_packets;
 161        __be64 bcast_tx_packets;
 162        __be64 bcast_rx_packets;
 163        __be64 align_errors;
 164        __be64 fcs_errors;
 165        __be64 single_collision_frames;
 166        __be64 multi_collision_frames;
 167        __be64 sqe_test_errors;
 168        __be64 deferred_tx;
 169        __be64 late_collisions;
 170        __be64 excess_collisions;
 171        __be64 internal_mac_tx_errors;
 172        __be64 carrier_sense;
 173        __be64 too_long_frames;
 174        __be64 internal_mac_rx_errors;
 175        u8 reserved[72];
 176} __packed __aligned(8);
 177
 178#define NUM_TX_STATS 3
 179struct ibmvnic_tx_queue_stats {
 180        u64 packets;
 181        u64 bytes;
 182        u64 dropped_packets;
 183};
 184
 185#define NUM_RX_STATS 3
 186struct ibmvnic_rx_queue_stats {
 187        u64 packets;
 188        u64 bytes;
 189        u64 interrupts;
 190};
 191
 192struct ibmvnic_acl_buffer {
 193        __be32 len;
 194        __be32 version;
 195#define INITIAL_VERSION_IOB 1
 196        u8 mac_acls_restrict;
 197        u8 vlan_acls_restrict;
 198        u8 reserved1[22];
 199        __be32 num_mac_addrs;
 200        __be32 offset_mac_addrs;
 201        __be32 num_vlan_ids;
 202        __be32 offset_vlan_ids;
 203        u8 reserved2[80];
 204} __packed __aligned(8);
 205
 206/* descriptors have been changed, how should this be defined?  1? 4? */
 207
 208#define IBMVNIC_TX_DESC_VERSIONS 3
 209
 210/* is this still needed? */
 211struct ibmvnic_tx_comp_desc {
 212        u8 first;
 213        u8 num_comps;
 214        __be16 rcs[5];
 215        __be32 correlators[5];
 216} __packed __aligned(8);
 217
 218/* some flags that included in v0 descriptor, which is gone
 219 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 220 * and only in some offload_flags variable that doesn't seem
 221 * to be used anywhere, can probably be removed?
 222 */
 223
 224#define IBMVNIC_TCP_CHKSUM              0x20
 225#define IBMVNIC_UDP_CHKSUM              0x08
 226
 227#define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 228
 229struct ibmvnic_tx_desc {
 230        u8 first;
 231        u8 type;
 232
 233#define IBMVNIC_TX_DESC 0x10
 234        u8 n_crq_elem;
 235        u8 n_sge;
 236        u8 flags1;
 237#define IBMVNIC_TX_COMP_NEEDED          0x80
 238#define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 239#define IBMVNIC_TX_LSO                  0x20
 240#define IBMVNIC_TX_PROT_TCP             0x10
 241#define IBMVNIC_TX_PROT_UDP             0x08
 242#define IBMVNIC_TX_PROT_IPV4            0x04
 243#define IBMVNIC_TX_PROT_IPV6            0x02
 244#define IBMVNIC_TX_VLAN_PRESENT         0x01
 245        u8 flags2;
 246#define IBMVNIC_TX_VLAN_INSERT          0x80
 247        __be16 mss;
 248        u8 reserved[4];
 249        __be32 correlator;
 250        __be16 vlan_id;
 251        __be16 dma_reg;
 252        __be32 sge_len;
 253        __be64 ioba;
 254} __packed __aligned(8);
 255
 256struct ibmvnic_hdr_desc {
 257        u8 first;
 258        u8 type;
 259#define IBMVNIC_HDR_DESC                0x11
 260        u8 len;
 261        u8 l2_len;
 262        __be16 l3_len;
 263        u8 l4_len;
 264        u8 flag;
 265        u8 data[24];
 266} __packed __aligned(8);
 267
 268struct ibmvnic_hdr_ext_desc {
 269        u8 first;
 270        u8 type;
 271#define IBMVNIC_HDR_EXT_DESC            0x12
 272        u8 len;
 273        u8 data[29];
 274} __packed __aligned(8);
 275
 276struct ibmvnic_sge_desc {
 277        u8 first;
 278        u8 type;
 279#define IBMVNIC_SGE_DESC                0x30
 280        __be16 sge1_dma_reg;
 281        __be32 sge1_len;
 282        __be64 sge1_ioba;
 283        __be16 reserved;
 284        __be16 sge2_dma_reg;
 285        __be32 sge2_len;
 286        __be64 sge2_ioba;
 287} __packed __aligned(8);
 288
 289struct ibmvnic_rx_comp_desc {
 290        u8 first;
 291        u8 flags;
 292#define IBMVNIC_IP_CHKSUM_GOOD          0x80
 293#define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 294#define IBMVNIC_END_FRAME                       0x20
 295#define IBMVNIC_EXACT_MC                        0x10
 296#define IBMVNIC_VLAN_STRIPPED                   0x08
 297        __be16 off_frame_data;
 298        __be32 len;
 299        __be64 correlator;
 300        __be16 vlan_tci;
 301        __be16 rc;
 302        u8 reserved[12];
 303} __packed __aligned(8);
 304
 305struct ibmvnic_generic_scrq {
 306        u8 first;
 307        u8 reserved[31];
 308} __packed __aligned(8);
 309
 310struct ibmvnic_rx_buff_add_desc {
 311        u8 first;
 312        u8 reserved[7];
 313        __be64 correlator;
 314        __be32 ioba;
 315        u8 map_id;
 316        __be32 len:24;
 317        u8 reserved2[8];
 318} __packed __aligned(8);
 319
 320struct ibmvnic_rc {
 321        u8 code; /* one of enum ibmvnic_rc_codes */
 322        u8 detailed_data[3];
 323} __packed __aligned(4);
 324
 325struct ibmvnic_generic_crq {
 326        u8 first;
 327        u8 cmd;
 328        u8 params[10];
 329        struct ibmvnic_rc rc;
 330} __packed __aligned(8);
 331
 332struct ibmvnic_version_exchange {
 333        u8 first;
 334        u8 cmd;
 335        __be16 version;
 336#define IBMVNIC_INITIAL_VERSION 1
 337        u8 reserved[8];
 338        struct ibmvnic_rc rc;
 339} __packed __aligned(8);
 340
 341struct ibmvnic_capability {
 342        u8 first;
 343        u8 cmd;
 344        __be16 capability; /* one of ibmvnic_capabilities */
 345        __be64 number;
 346        struct ibmvnic_rc rc;
 347} __packed __aligned(8);
 348
 349struct ibmvnic_login {
 350        u8 first;
 351        u8 cmd;
 352        u8 reserved[6];
 353        __be32 ioba;
 354        __be32 len;
 355} __packed __aligned(8);
 356
 357struct ibmvnic_phys_parms {
 358        u8 first;
 359        u8 cmd;
 360        u8 flags1;
 361#define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 362#define IBMVNIC_INTERNAL_LOOPBACK       0x40
 363#define IBMVNIC_PROMISC         0x20
 364#define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 365#define IBMVNIC_AUTONEG_DUPLEX  0x08
 366#define IBMVNIC_FULL_DUPLEX     0x04
 367#define IBMVNIC_HALF_DUPLEX     0x02
 368#define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 369        u8 flags2;
 370#define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 371        __be32 speed;
 372#define IBMVNIC_AUTONEG         0x80000000
 373#define IBMVNIC_10MBPS          0x40000000
 374#define IBMVNIC_100MBPS         0x20000000
 375#define IBMVNIC_1GBPS           0x10000000
 376#define IBMVNIC_10GBPS          0x08000000
 377#define IBMVNIC_40GBPS          0x04000000
 378#define IBMVNIC_100GBPS         0x02000000
 379#define IBMVNIC_25GBPS          0x01000000
 380#define IBMVNIC_50GBPS          0x00800000
 381#define IBMVNIC_200GBPS         0x00400000
 382        __be32 mtu;
 383        struct ibmvnic_rc rc;
 384} __packed __aligned(8);
 385
 386struct ibmvnic_logical_link_state {
 387        u8 first;
 388        u8 cmd;
 389        u8 link_state;
 390#define IBMVNIC_LOGICAL_LNK_DN 0x00
 391#define IBMVNIC_LOGICAL_LNK_UP 0x01
 392#define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 393        u8 reserved[9];
 394        struct ibmvnic_rc rc;
 395} __packed __aligned(8);
 396
 397struct ibmvnic_query_ip_offload {
 398        u8 first;
 399        u8 cmd;
 400        u8 reserved[2];
 401        __be32 len;
 402        __be32 ioba;
 403        struct ibmvnic_rc rc;
 404} __packed __aligned(8);
 405
 406struct ibmvnic_control_ip_offload {
 407        u8 first;
 408        u8 cmd;
 409        u8 reserved[2];
 410        __be32 ioba;
 411        __be32 len;
 412        struct ibmvnic_rc rc;
 413} __packed __aligned(8);
 414
 415struct ibmvnic_request_dump_size {
 416        u8 first;
 417        u8 cmd;
 418        u8 reserved[6];
 419        __be32 len;
 420        struct ibmvnic_rc rc;
 421} __packed __aligned(8);
 422
 423struct ibmvnic_request_dump {
 424        u8 first;
 425        u8 cmd;
 426        u8 reserved1[2];
 427        __be32 ioba;
 428        __be32 len;
 429        u8 reserved2[4];
 430} __packed __aligned(8);
 431
 432struct ibmvnic_request_dump_rsp {
 433        u8 first;
 434        u8 cmd;
 435        u8 reserved[6];
 436        __be32 dumped_len;
 437        struct ibmvnic_rc rc;
 438} __packed __aligned(8);
 439
 440struct ibmvnic_request_ras_comp_num {
 441        u8 first;
 442        u8 cmd;
 443        u8 reserved1[2];
 444        __be32 num_components;
 445        u8 reserved2[4];
 446        struct ibmvnic_rc rc;
 447} __packed __aligned(8);
 448
 449struct ibmvnic_request_ras_comps {
 450        u8 first;
 451        u8 cmd;
 452        u8 reserved[2];
 453        __be32 ioba;
 454        __be32 len;
 455        struct ibmvnic_rc rc;
 456} __packed __aligned(8);
 457
 458struct ibmvnic_control_ras {
 459        u8 first;
 460        u8 cmd;
 461        u8 correlator;
 462        u8 level;
 463        u8 op;
 464#define IBMVNIC_TRACE_LEVEL     1
 465#define IBMVNIC_ERROR_LEVEL     2
 466#define IBMVNIC_TRACE_PAUSE     3
 467#define IBMVNIC_TRACE_RESUME    4
 468#define IBMVNIC_TRACE_ON                5
 469#define IBMVNIC_TRACE_OFF               6
 470#define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 471        u8 trace_buff_sz[3];
 472        u8 reserved[4];
 473        struct ibmvnic_rc rc;
 474} __packed __aligned(8);
 475
 476struct ibmvnic_collect_fw_trace {
 477        u8 first;
 478        u8 cmd;
 479        u8 correlator;
 480        u8 reserved;
 481        __be32 ioba;
 482        __be32 len;
 483        struct ibmvnic_rc rc;
 484} __packed __aligned(8);
 485
 486struct ibmvnic_request_statistics {
 487        u8 first;
 488        u8 cmd;
 489        u8 flags;
 490#define IBMVNIC_PHYSICAL_PORT   0x80
 491        u8 reserved1;
 492        __be32 ioba;
 493        __be32 len;
 494        u8 reserved[4];
 495} __packed __aligned(8);
 496
 497struct ibmvnic_request_debug_stats {
 498        u8 first;
 499        u8 cmd;
 500        u8 reserved[2];
 501        __be32 ioba;
 502        __be32 len;
 503        struct ibmvnic_rc rc;
 504} __packed __aligned(8);
 505
 506struct ibmvnic_error_indication {
 507        u8 first;
 508        u8 cmd;
 509        u8 flags;
 510#define IBMVNIC_FATAL_ERROR     0x80
 511        u8 reserved1;
 512        __be32 error_id;
 513        __be32 detail_error_sz;
 514        __be16 error_cause;
 515        u8 reserved2[2];
 516} __packed __aligned(8);
 517
 518struct ibmvnic_link_state_indication {
 519        u8 first;
 520        u8 cmd;
 521        u8 reserved1[2];
 522        u8 phys_link_state;
 523        u8 logical_link_state;
 524        u8 reserved2[10];
 525} __packed __aligned(8);
 526
 527struct ibmvnic_change_mac_addr {
 528        u8 first;
 529        u8 cmd;
 530        u8 mac_addr[6];
 531        u8 reserved[4];
 532        struct ibmvnic_rc rc;
 533} __packed __aligned(8);
 534
 535struct ibmvnic_multicast_ctrl {
 536        u8 first;
 537        u8 cmd;
 538        u8 mac_addr[6];
 539        u8 flags;
 540#define IBMVNIC_ENABLE_MC               0x80
 541#define IBMVNIC_DISABLE_MC              0x40
 542#define IBMVNIC_ENABLE_ALL              0x20
 543#define IBMVNIC_DISABLE_ALL     0x10
 544        u8 reserved1;
 545        __be16 reserved2; /* was num_enabled_mc_addr; */
 546        struct ibmvnic_rc rc;
 547} __packed __aligned(8);
 548
 549struct ibmvnic_get_vpd_size {
 550        u8 first;
 551        u8 cmd;
 552        u8 reserved[14];
 553} __packed __aligned(8);
 554
 555struct ibmvnic_get_vpd_size_rsp {
 556        u8 first;
 557        u8 cmd;
 558        u8 reserved[2];
 559        __be64 len;
 560        struct ibmvnic_rc rc;
 561} __packed __aligned(8);
 562
 563struct ibmvnic_get_vpd {
 564        u8 first;
 565        u8 cmd;
 566        u8 reserved1[2];
 567        __be32 ioba;
 568        __be32 len;
 569        u8 reserved[4];
 570} __packed __aligned(8);
 571
 572struct ibmvnic_get_vpd_rsp {
 573        u8 first;
 574        u8 cmd;
 575        u8 reserved[10];
 576        struct ibmvnic_rc rc;
 577} __packed __aligned(8);
 578
 579struct ibmvnic_acl_change_indication {
 580        u8 first;
 581        u8 cmd;
 582        __be16 change_type;
 583#define IBMVNIC_MAC_ACL 0
 584#define IBMVNIC_VLAN_ACL 1
 585        u8 reserved[12];
 586} __packed __aligned(8);
 587
 588struct ibmvnic_acl_query {
 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
 597struct ibmvnic_tune {
 598        u8 first;
 599        u8 cmd;
 600        u8 reserved1[2];
 601        __be32 ioba;
 602        __be32 len;
 603        u8 reserved2[4];
 604} __packed __aligned(8);
 605
 606struct ibmvnic_request_map {
 607        u8 first;
 608        u8 cmd;
 609        u8 reserved1;
 610        u8 map_id;
 611        __be32 ioba;
 612        __be32 len;
 613        u8 reserved2[4];
 614} __packed __aligned(8);
 615
 616struct ibmvnic_request_map_rsp {
 617        u8 first;
 618        u8 cmd;
 619        u8 reserved1;
 620        u8 map_id;
 621        u8 reserved2[8];
 622        struct ibmvnic_rc rc;
 623} __packed __aligned(8);
 624
 625struct ibmvnic_request_unmap {
 626        u8 first;
 627        u8 cmd;
 628        u8 reserved1;
 629        u8 map_id;
 630        u8 reserved2[12];
 631} __packed __aligned(8);
 632
 633struct ibmvnic_request_unmap_rsp {
 634        u8 first;
 635        u8 cmd;
 636        u8 reserved1;
 637        u8 map_id;
 638        u8 reserved2[8];
 639        struct ibmvnic_rc rc;
 640} __packed __aligned(8);
 641
 642struct ibmvnic_query_map {
 643        u8 first;
 644        u8 cmd;
 645        u8 reserved[14];
 646} __packed __aligned(8);
 647
 648struct ibmvnic_query_map_rsp {
 649        u8 first;
 650        u8 cmd;
 651        u8 reserved;
 652        u8 page_size;
 653        __be32 tot_pages;
 654        __be32 free_pages;
 655        struct ibmvnic_rc rc;
 656} __packed __aligned(8);
 657
 658union ibmvnic_crq {
 659        struct ibmvnic_generic_crq generic;
 660        struct ibmvnic_version_exchange version_exchange;
 661        struct ibmvnic_version_exchange version_exchange_rsp;
 662        struct ibmvnic_capability query_capability;
 663        struct ibmvnic_capability query_capability_rsp;
 664        struct ibmvnic_capability request_capability;
 665        struct ibmvnic_capability request_capability_rsp;
 666        struct ibmvnic_login login;
 667        struct ibmvnic_generic_crq login_rsp;
 668        struct ibmvnic_phys_parms query_phys_parms;
 669        struct ibmvnic_phys_parms query_phys_parms_rsp;
 670        struct ibmvnic_phys_parms query_phys_capabilities;
 671        struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 672        struct ibmvnic_phys_parms set_phys_parms;
 673        struct ibmvnic_phys_parms set_phys_parms_rsp;
 674        struct ibmvnic_logical_link_state logical_link_state;
 675        struct ibmvnic_logical_link_state logical_link_state_rsp;
 676        struct ibmvnic_query_ip_offload query_ip_offload;
 677        struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 678        struct ibmvnic_control_ip_offload control_ip_offload;
 679        struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 680        struct ibmvnic_request_dump_size request_dump_size;
 681        struct ibmvnic_request_dump_size request_dump_size_rsp;
 682        struct ibmvnic_request_dump request_dump;
 683        struct ibmvnic_request_dump_rsp request_dump_rsp;
 684        struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 685        struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 686        struct ibmvnic_request_ras_comps request_ras_comps;
 687        struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 688        struct ibmvnic_control_ras control_ras;
 689        struct ibmvnic_control_ras control_ras_rsp;
 690        struct ibmvnic_collect_fw_trace collect_fw_trace;
 691        struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 692        struct ibmvnic_request_statistics request_statistics;
 693        struct ibmvnic_generic_crq request_statistics_rsp;
 694        struct ibmvnic_request_debug_stats request_debug_stats;
 695        struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 696        struct ibmvnic_error_indication error_indication;
 697        struct ibmvnic_link_state_indication link_state_indication;
 698        struct ibmvnic_change_mac_addr change_mac_addr;
 699        struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 700        struct ibmvnic_multicast_ctrl multicast_ctrl;
 701        struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 702        struct ibmvnic_get_vpd_size get_vpd_size;
 703        struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 704        struct ibmvnic_get_vpd get_vpd;
 705        struct ibmvnic_get_vpd_rsp get_vpd_rsp;
 706        struct ibmvnic_acl_change_indication acl_change_indication;
 707        struct ibmvnic_acl_query acl_query;
 708        struct ibmvnic_generic_crq acl_query_rsp;
 709        struct ibmvnic_tune tune;
 710        struct ibmvnic_generic_crq tune_rsp;
 711        struct ibmvnic_request_map request_map;
 712        struct ibmvnic_request_map_rsp request_map_rsp;
 713        struct ibmvnic_request_unmap request_unmap;
 714        struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 715        struct ibmvnic_query_map query_map;
 716        struct ibmvnic_query_map_rsp query_map_rsp;
 717};
 718
 719enum ibmvnic_rc_codes {
 720        SUCCESS = 0,
 721        PARTIALSUCCESS = 1,
 722        PERMISSION = 2,
 723        NOMEMORY = 3,
 724        PARAMETER = 4,
 725        UNKNOWNCOMMAND = 5,
 726        ABORTED = 6,
 727        INVALIDSTATE = 7,
 728        INVALIDIOBA = 8,
 729        INVALIDLENGTH = 9,
 730        UNSUPPORTEDOPTION = 10,
 731};
 732
 733enum ibmvnic_capabilities {
 734        MIN_TX_QUEUES = 1,
 735        MIN_RX_QUEUES = 2,
 736        MIN_RX_ADD_QUEUES = 3,
 737        MAX_TX_QUEUES = 4,
 738        MAX_RX_QUEUES = 5,
 739        MAX_RX_ADD_QUEUES = 6,
 740        REQ_TX_QUEUES = 7,
 741        REQ_RX_QUEUES = 8,
 742        REQ_RX_ADD_QUEUES = 9,
 743        MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 744        MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 745        MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 746        MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 747        REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 748        REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 749        TCP_IP_OFFLOAD = 16,
 750        PROMISC_REQUESTED = 17,
 751        PROMISC_SUPPORTED = 18,
 752        MIN_MTU = 19,
 753        MAX_MTU = 20,
 754        REQ_MTU = 21,
 755        MAX_MULTICAST_FILTERS = 22,
 756        VLAN_HEADER_INSERTION = 23,
 757        RX_VLAN_HEADER_INSERTION = 24,
 758        MAX_TX_SG_ENTRIES = 25,
 759        RX_SG_SUPPORTED = 26,
 760        RX_SG_REQUESTED = 27,
 761        OPT_TX_COMP_SUB_QUEUES = 28,
 762        OPT_RX_COMP_QUEUES = 29,
 763        OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 764        OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 765        OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 766        TX_RX_DESC_REQ = 33,
 767};
 768
 769enum ibmvnic_error_cause {
 770        ADAPTER_PROBLEM = 0,
 771        BUS_PROBLEM = 1,
 772        FW_PROBLEM = 2,
 773        DD_PROBLEM = 3,
 774        EEH_RECOVERY = 4,
 775        FW_UPDATED = 5,
 776        LOW_MEMORY = 6,
 777};
 778
 779enum ibmvnic_commands {
 780        VERSION_EXCHANGE = 0x01,
 781        VERSION_EXCHANGE_RSP = 0x81,
 782        QUERY_CAPABILITY = 0x02,
 783        QUERY_CAPABILITY_RSP = 0x82,
 784        REQUEST_CAPABILITY = 0x03,
 785        REQUEST_CAPABILITY_RSP = 0x83,
 786        LOGIN = 0x04,
 787        LOGIN_RSP = 0x84,
 788        QUERY_PHYS_PARMS = 0x05,
 789        QUERY_PHYS_PARMS_RSP = 0x85,
 790        QUERY_PHYS_CAPABILITIES = 0x06,
 791        QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 792        SET_PHYS_PARMS = 0x07,
 793        SET_PHYS_PARMS_RSP = 0x87,
 794        ERROR_INDICATION = 0x08,
 795        LOGICAL_LINK_STATE = 0x0C,
 796        LOGICAL_LINK_STATE_RSP = 0x8C,
 797        REQUEST_STATISTICS = 0x0D,
 798        REQUEST_STATISTICS_RSP = 0x8D,
 799        COLLECT_FW_TRACE = 0x11,
 800        COLLECT_FW_TRACE_RSP = 0x91,
 801        LINK_STATE_INDICATION = 0x12,
 802        CHANGE_MAC_ADDR = 0x13,
 803        CHANGE_MAC_ADDR_RSP = 0x93,
 804        MULTICAST_CTRL = 0x14,
 805        MULTICAST_CTRL_RSP = 0x94,
 806        GET_VPD_SIZE = 0x15,
 807        GET_VPD_SIZE_RSP = 0x95,
 808        GET_VPD = 0x16,
 809        GET_VPD_RSP = 0x96,
 810        TUNE = 0x17,
 811        TUNE_RSP = 0x97,
 812        QUERY_IP_OFFLOAD = 0x18,
 813        QUERY_IP_OFFLOAD_RSP = 0x98,
 814        CONTROL_IP_OFFLOAD = 0x19,
 815        CONTROL_IP_OFFLOAD_RSP = 0x99,
 816        ACL_CHANGE_INDICATION = 0x1A,
 817        ACL_QUERY = 0x1B,
 818        ACL_QUERY_RSP = 0x9B,
 819        QUERY_MAP = 0x1D,
 820        QUERY_MAP_RSP = 0x9D,
 821        REQUEST_MAP = 0x1E,
 822        REQUEST_MAP_RSP = 0x9E,
 823        REQUEST_UNMAP = 0x1F,
 824        REQUEST_UNMAP_RSP = 0x9F,
 825        VLAN_CTRL = 0x20,
 826        VLAN_CTRL_RSP = 0xA0,
 827};
 828
 829enum ibmvnic_crq_type {
 830        IBMVNIC_CRQ_CMD                 = 0x80,
 831        IBMVNIC_CRQ_CMD_RSP             = 0x80,
 832        IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 833        IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 834        IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 835};
 836
 837enum ibmvfc_crq_format {
 838        IBMVNIC_CRQ_INIT                 = 0x01,
 839        IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 840        IBMVNIC_PARTITION_MIGRATED       = 0x06,
 841        IBMVNIC_DEVICE_FAILOVER          = 0x08,
 842};
 843
 844struct ibmvnic_crq_queue {
 845        union ibmvnic_crq *msgs;
 846        int size, cur;
 847        dma_addr_t msg_token;
 848        spinlock_t lock;
 849        bool active;
 850        char name[32];
 851};
 852
 853union sub_crq {
 854        struct ibmvnic_generic_scrq generic;
 855        struct ibmvnic_tx_comp_desc tx_comp;
 856        struct ibmvnic_tx_desc v1;
 857        struct ibmvnic_hdr_desc hdr;
 858        struct ibmvnic_hdr_ext_desc hdr_ext;
 859        struct ibmvnic_sge_desc sge;
 860        struct ibmvnic_rx_comp_desc rx_comp;
 861        struct ibmvnic_rx_buff_add_desc rx_add;
 862};
 863
 864struct ibmvnic_sub_crq_queue {
 865        union sub_crq *msgs;
 866        int size, cur;
 867        dma_addr_t msg_token;
 868        unsigned long crq_num;
 869        unsigned long hw_irq;
 870        unsigned int irq;
 871        unsigned int pool_index;
 872        int scrq_num;
 873        spinlock_t lock;
 874        struct sk_buff *rx_skb_top;
 875        struct ibmvnic_adapter *adapter;
 876        atomic_t used;
 877        char name[32];
 878        u64 handle;
 879};
 880
 881struct ibmvnic_long_term_buff {
 882        unsigned char *buff;
 883        dma_addr_t addr;
 884        u64 size;
 885        u8 map_id;
 886};
 887
 888struct ibmvnic_tx_buff {
 889        struct sk_buff *skb;
 890        dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 891        unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 892        int index;
 893        int pool_index;
 894        bool last_frag;
 895        union sub_crq indir_arr[6];
 896        u8 hdr_data[140];
 897        dma_addr_t indir_dma;
 898        int num_entries;
 899};
 900
 901struct ibmvnic_tx_pool {
 902        struct ibmvnic_tx_buff *tx_buff;
 903        int *free_map;
 904        int consumer_index;
 905        int producer_index;
 906        struct ibmvnic_long_term_buff long_term_buff;
 907        int num_buffers;
 908        int buf_size;
 909};
 910
 911struct ibmvnic_rx_buff {
 912        struct sk_buff *skb;
 913        dma_addr_t dma;
 914        unsigned char *data;
 915        int size;
 916        int pool_index;
 917};
 918
 919struct ibmvnic_rx_pool {
 920        struct ibmvnic_rx_buff *rx_buff;
 921        int size;
 922        int index;
 923        int buff_size;
 924        atomic_t available;
 925        int *free_map;
 926        int next_free;
 927        int next_alloc;
 928        int active;
 929        struct ibmvnic_long_term_buff long_term_buff;
 930};
 931
 932struct ibmvnic_vpd {
 933        unsigned char *buff;
 934        dma_addr_t dma_addr;
 935        u64 len;
 936};
 937
 938enum vnic_state {VNIC_PROBING = 1,
 939                 VNIC_PROBED,
 940                 VNIC_OPENING,
 941                 VNIC_OPEN,
 942                 VNIC_CLOSING,
 943                 VNIC_CLOSED,
 944                 VNIC_REMOVING,
 945                 VNIC_REMOVED};
 946
 947enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
 948                           VNIC_RESET_MOBILITY,
 949                           VNIC_RESET_FATAL,
 950                           VNIC_RESET_NON_FATAL,
 951                           VNIC_RESET_TIMEOUT,
 952                           VNIC_RESET_CHANGE_PARAM};
 953
 954struct ibmvnic_rwi {
 955        enum ibmvnic_reset_reason reset_reason;
 956        struct list_head list;
 957};
 958
 959struct ibmvnic_tunables {
 960        u64 rx_queues;
 961        u64 tx_queues;
 962        u64 rx_entries;
 963        u64 tx_entries;
 964        u64 mtu;
 965};
 966
 967struct ibmvnic_adapter {
 968        struct vio_dev *vdev;
 969        struct net_device *netdev;
 970        struct ibmvnic_crq_queue crq;
 971        u8 mac_addr[ETH_ALEN];
 972        struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 973        dma_addr_t ip_offload_tok;
 974        struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 975        dma_addr_t ip_offload_ctrl_tok;
 976        u32 msg_enable;
 977        u32 priv_flags;
 978
 979        /* Vital Product Data (VPD) */
 980        struct ibmvnic_vpd *vpd;
 981        char fw_version[32];
 982
 983        /* Statistics */
 984        struct ibmvnic_statistics stats;
 985        dma_addr_t stats_token;
 986        struct completion stats_done;
 987        spinlock_t stats_lock;
 988        int replenish_no_mem;
 989        int replenish_add_buff_success;
 990        int replenish_add_buff_failure;
 991        int replenish_task_cycles;
 992        int tx_send_failed;
 993        int tx_map_failed;
 994
 995        struct ibmvnic_tx_queue_stats *tx_stats_buffers;
 996        struct ibmvnic_rx_queue_stats *rx_stats_buffers;
 997
 998        int phys_link_state;
 999        int logical_link_state;
1000
1001        u32 speed;
1002        u8 duplex;
1003
1004        /* login data */
1005        struct ibmvnic_login_buffer *login_buf;
1006        dma_addr_t login_buf_token;
1007        int login_buf_sz;
1008
1009        struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1010        dma_addr_t login_rsp_buf_token;
1011        int login_rsp_buf_sz;
1012
1013        atomic_t running_cap_crqs;
1014        bool wait_capability;
1015
1016        struct ibmvnic_sub_crq_queue **tx_scrq;
1017        struct ibmvnic_sub_crq_queue **rx_scrq;
1018
1019        /* rx structs */
1020        struct napi_struct *napi;
1021        struct ibmvnic_rx_pool *rx_pool;
1022        u64 promisc;
1023
1024        struct ibmvnic_tx_pool *tx_pool;
1025        struct ibmvnic_tx_pool *tso_pool;
1026        struct completion init_done;
1027        int init_done_rc;
1028
1029        struct completion fw_done;
1030        /* Used for serialization of device commands */
1031        struct mutex fw_lock;
1032        int fw_done_rc;
1033
1034        struct completion reset_done;
1035        int reset_done_rc;
1036        bool wait_for_reset;
1037
1038        /* partner capabilities */
1039        u64 min_tx_queues;
1040        u64 min_rx_queues;
1041        u64 min_rx_add_queues;
1042        u64 max_tx_queues;
1043        u64 max_rx_queues;
1044        u64 max_rx_add_queues;
1045        u64 req_tx_queues;
1046        u64 req_rx_queues;
1047        u64 req_rx_add_queues;
1048        u64 min_tx_entries_per_subcrq;
1049        u64 min_rx_add_entries_per_subcrq;
1050        u64 max_tx_entries_per_subcrq;
1051        u64 max_rx_add_entries_per_subcrq;
1052        u64 req_tx_entries_per_subcrq;
1053        u64 req_rx_add_entries_per_subcrq;
1054        u64 tcp_ip_offload;
1055        u64 promisc_requested;
1056        u64 promisc_supported;
1057        u64 min_mtu;
1058        u64 max_mtu;
1059        u64 req_mtu;
1060        u64 max_multicast_filters;
1061        u64 vlan_header_insertion;
1062        u64 rx_vlan_header_insertion;
1063        u64 max_tx_sg_entries;
1064        u64 rx_sg_supported;
1065        u64 rx_sg_requested;
1066        u64 opt_tx_comp_sub_queues;
1067        u64 opt_rx_comp_queues;
1068        u64 opt_rx_bufadd_q_per_rx_comp_q;
1069        u64 opt_tx_entries_per_subcrq;
1070        u64 opt_rxba_entries_per_subcrq;
1071        __be64 tx_rx_desc_req;
1072        u8 map_id;
1073        u32 num_active_rx_scrqs;
1074        u32 num_active_rx_pools;
1075        u32 num_active_rx_napi;
1076        u32 num_active_tx_scrqs;
1077        u32 num_active_tx_pools;
1078        u32 cur_rx_buf_sz;
1079
1080        struct tasklet_struct tasklet;
1081        enum vnic_state state;
1082        enum ibmvnic_reset_reason reset_reason;
1083        spinlock_t rwi_lock;
1084        struct list_head rwi_list;
1085        struct work_struct ibmvnic_reset;
1086        struct delayed_work ibmvnic_delayed_reset;
1087        unsigned long resetting;
1088        bool napi_enabled, from_passive_init;
1089        bool login_pending;
1090        /* last device reset time */
1091        unsigned long last_reset_time;
1092
1093        bool failover_pending;
1094        bool force_reset_recovery;
1095
1096        struct ibmvnic_tunables desired;
1097        struct ibmvnic_tunables fallback;
1098
1099        /* Used for serializatin of state field */
1100        spinlock_t state_lock;
1101};
1102