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 #define IBMVNIC_INIT_FAILED     2
  34
  35 /* basic structures plus 100 2k buffers */
  36 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT  610305
  37
  38 /* Initial module_parameters */
  39 #define IBMVNIC_RX_WEIGHT               16
  40 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
  41 #define IBMVNIC_BUFFS_PER_POOL  100
  42 #define IBMVNIC_MAX_QUEUES      10
  43
  44 #define IBMVNIC_TSO_BUF_SZ      65536
  45 #define IBMVNIC_TSO_BUFS        64
  46 #define IBMVNIC_TSO_POOL_MASK   0x80000000
  47
  48 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
  49 #define IBMVNIC_BUFFER_HLEN 500
  50
  51 struct ibmvnic_login_buffer {
  52         __be32 len;
  53         __be32 version;
  54 #define INITIAL_VERSION_LB 1
  55         __be32 num_txcomp_subcrqs;
  56         __be32 off_txcomp_subcrqs;
  57         __be32 num_rxcomp_subcrqs;
  58         __be32 off_rxcomp_subcrqs;
  59         __be32 login_rsp_ioba;
  60         __be32 login_rsp_len;
  61         __be32 client_data_offset;
  62         __be32 client_data_len;
  63 } __packed __aligned(8);
  64
  65 struct ibmvnic_login_rsp_buffer {
  66         __be32 len;
  67         __be32 version;
  68 #define INITIAL_VERSION_LRB 1
  69         __be32 num_txsubm_subcrqs;
  70         __be32 off_txsubm_subcrqs;
  71         __be32 num_rxadd_subcrqs;
  72         __be32 off_rxadd_subcrqs;
  73         __be32 off_rxadd_buff_size;
  74         __be32 num_supp_tx_desc;
  75         __be32 off_supp_tx_desc;
  76 } __packed __aligned(8);
  77
  78 struct ibmvnic_query_ip_offload_buffer {
  79         __be32 len;
  80         __be32 version;
  81 #define INITIAL_VERSION_IOB 1
  82         u8 ipv4_chksum;
  83         u8 ipv6_chksum;
  84         u8 tcp_ipv4_chksum;
  85         u8 tcp_ipv6_chksum;
  86         u8 udp_ipv4_chksum;
  87         u8 udp_ipv6_chksum;
  88         u8 large_tx_ipv4;
  89         u8 large_tx_ipv6;
  90         u8 large_rx_ipv4;
  91         u8 large_rx_ipv6;
  92         u8 reserved1[14];
  93         __be16 max_ipv4_header_size;
  94         __be16 max_ipv6_header_size;
  95         __be16 max_tcp_header_size;
  96         __be16 max_udp_header_size;
  97         __be32 max_large_tx_size;
  98         __be32 max_large_rx_size;
  99         u8 reserved2[16];
 100         u8 ipv6_extension_header;
 101 #define IPV6_EH_NOT_SUPPORTED   0x00
 102 #define IPV6_EH_SUPPORTED_LIM   0x01
 103 #define IPV6_EH_SUPPORTED       0xFF
 104         u8 tcp_pseudosum_req;
 105 #define TCP_PS_NOT_REQUIRED     0x00
 106 #define TCP_PS_REQUIRED         0x01
 107         u8 reserved3[30];
 108         __be16 num_ipv6_ext_headers;
 109         __be32 off_ipv6_ext_headers;
 110         u8 reserved4[154];
 111 } __packed __aligned(8);
 112
 113 struct ibmvnic_control_ip_offload_buffer {
 114         __be32 len;
 115         __be32 version;
 116 #define INITIAL_VERSION_IOB 1
 117         u8 ipv4_chksum;
 118         u8 ipv6_chksum;
 119         u8 tcp_ipv4_chksum;
 120         u8 tcp_ipv6_chksum;
 121         u8 udp_ipv4_chksum;
 122         u8 udp_ipv6_chksum;
 123         u8 large_tx_ipv4;
 124         u8 large_tx_ipv6;
 125         u8 bad_packet_rx;
 126         u8 large_rx_ipv4;
 127         u8 large_rx_ipv6;
 128         u8 reserved4[111];
 129 } __packed __aligned(8);
 130
 131 struct ibmvnic_fw_component {
 132         u8 name[48];
 133         __be32 trace_buff_size;
 134         u8 correlator;
 135         u8 trace_level;
 136         u8 parent_correlator;
 137         u8 error_check_level;
 138         u8 trace_on;
 139         u8 reserved[7];
 140         u8 description[192];
 141 } __packed __aligned(8);
 142
 143 struct ibmvnic_fw_trace_entry {
 144         __be32 trace_id;
 145         u8 num_valid_data;
 146         u8 reserved[3];
 147         __be64 pmc_registers;
 148         __be64 timebase;
 149         __be64 trace_data[5];
 150 } __packed __aligned(8);
 151
 152 struct ibmvnic_statistics {
 153         __be32 version;
 154         __be32 promiscuous;
 155         __be64 rx_packets;
 156         __be64 rx_bytes;
 157         __be64 tx_packets;
 158         __be64 tx_bytes;
 159         __be64 ucast_tx_packets;
 160         __be64 ucast_rx_packets;
 161         __be64 mcast_tx_packets;
 162         __be64 mcast_rx_packets;
 163         __be64 bcast_tx_packets;
 164         __be64 bcast_rx_packets;
 165         __be64 align_errors;
 166         __be64 fcs_errors;
 167         __be64 single_collision_frames;
 168         __be64 multi_collision_frames;
 169         __be64 sqe_test_errors;
 170         __be64 deferred_tx;
 171         __be64 late_collisions;
 172         __be64 excess_collisions;
 173         __be64 internal_mac_tx_errors;
 174         __be64 carrier_sense;
 175         __be64 too_long_frames;
 176         __be64 internal_mac_rx_errors;
 177         u8 reserved[72];
 178 } __packed __aligned(8);
 179
 180 #define NUM_TX_STATS 3
 181 struct ibmvnic_tx_queue_stats {
 182         u64 packets;
 183         u64 bytes;
 184         u64 dropped_packets;
 185 };
 186
 187 #define NUM_RX_STATS 3
 188 struct ibmvnic_rx_queue_stats {
 189         u64 packets;
 190         u64 bytes;
 191         u64 interrupts;
 192 };
 193
 194 struct ibmvnic_acl_buffer {
 195         __be32 len;
 196         __be32 version;
 197 #define INITIAL_VERSION_IOB 1
 198         u8 mac_acls_restrict;
 199         u8 vlan_acls_restrict;
 200         u8 reserved1[22];
 201         __be32 num_mac_addrs;
 202         __be32 offset_mac_addrs;
 203         __be32 num_vlan_ids;
 204         __be32 offset_vlan_ids;
 205         u8 reserved2[80];
 206 } __packed __aligned(8);
 207
 208 /* descriptors have been changed, how should this be defined?  1? 4? */
 209
 210 #define IBMVNIC_TX_DESC_VERSIONS 3
 211
 212 /* is this still needed? */
 213 struct ibmvnic_tx_comp_desc {
 214         u8 first;
 215         u8 num_comps;
 216         __be16 rcs[5];
 217         __be32 correlators[5];
 218 } __packed __aligned(8);
 219
 220 /* some flags that included in v0 descriptor, which is gone
 221  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 222  * and only in some offload_flags variable that doesn't seem
 223  * to be used anywhere, can probably be removed?
 224  */
 225
 226 #define IBMVNIC_TCP_CHKSUM              0x20
 227 #define IBMVNIC_UDP_CHKSUM              0x08
 228
 229 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 230
 231 struct ibmvnic_tx_desc {
 232         u8 first;
 233         u8 type;
 234
 235 #define IBMVNIC_TX_DESC 0x10
 236         u8 n_crq_elem;
 237         u8 n_sge;
 238         u8 flags1;
 239 #define IBMVNIC_TX_COMP_NEEDED          0x80
 240 #define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 241 #define IBMVNIC_TX_LSO                  0x20
 242 #define IBMVNIC_TX_PROT_TCP             0x10
 243 #define IBMVNIC_TX_PROT_UDP             0x08
 244 #define IBMVNIC_TX_PROT_IPV4            0x04
 245 #define IBMVNIC_TX_PROT_IPV6            0x02
 246 #define IBMVNIC_TX_VLAN_PRESENT         0x01
 247         u8 flags2;
 248 #define IBMVNIC_TX_VLAN_INSERT          0x80
 249         __be16 mss;
 250         u8 reserved[4];
 251         __be32 correlator;
 252         __be16 vlan_id;
 253         __be16 dma_reg;
 254         __be32 sge_len;
 255         __be64 ioba;
 256 } __packed __aligned(8);
 257
 258 struct ibmvnic_hdr_desc {
 259         u8 first;
 260         u8 type;
 261 #define IBMVNIC_HDR_DESC                0x11
 262         u8 len;
 263         u8 l2_len;
 264         __be16 l3_len;
 265         u8 l4_len;
 266         u8 flag;
 267         u8 data[24];
 268 } __packed __aligned(8);
 269
 270 struct ibmvnic_hdr_ext_desc {
 271         u8 first;
 272         u8 type;
 273 #define IBMVNIC_HDR_EXT_DESC            0x12
 274         u8 len;
 275         u8 data[29];
 276 } __packed __aligned(8);
 277
 278 struct ibmvnic_sge_desc {
 279         u8 first;
 280         u8 type;
 281 #define IBMVNIC_SGE_DESC                0x30
 282         __be16 sge1_dma_reg;
 283         __be32 sge1_len;
 284         __be64 sge1_ioba;
 285         __be16 reserved;
 286         __be16 sge2_dma_reg;
 287         __be32 sge2_len;
 288         __be64 sge2_ioba;
 289 } __packed __aligned(8);
 290
 291 struct ibmvnic_rx_comp_desc {
 292         u8 first;
 293         u8 flags;
 294 #define IBMVNIC_IP_CHKSUM_GOOD          0x80
 295 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 296 #define IBMVNIC_END_FRAME                       0x20
 297 #define IBMVNIC_EXACT_MC                        0x10
 298 #define IBMVNIC_VLAN_STRIPPED                   0x08
 299         __be16 off_frame_data;
 300         __be32 len;
 301         __be64 correlator;
 302         __be16 vlan_tci;
 303         __be16 rc;
 304         u8 reserved[12];
 305 } __packed __aligned(8);
 306
 307 struct ibmvnic_generic_scrq {
 308         u8 first;
 309         u8 reserved[31];
 310 } __packed __aligned(8);
 311
 312 struct ibmvnic_rx_buff_add_desc {
 313         u8 first;
 314         u8 reserved[7];
 315         __be64 correlator;
 316         __be32 ioba;
 317         u8 map_id;
 318         __be32 len:24;
 319         u8 reserved2[8];
 320 } __packed __aligned(8);
 321
 322 struct ibmvnic_rc {
 323         u8 code; /* one of enum ibmvnic_rc_codes */
 324         u8 detailed_data[3];
 325 } __packed __aligned(4);
 326
 327 struct ibmvnic_generic_crq {
 328         u8 first;
 329         u8 cmd;
 330         u8 params[10];
 331         struct ibmvnic_rc rc;
 332 } __packed __aligned(8);
 333
 334 struct ibmvnic_version_exchange {
 335         u8 first;
 336         u8 cmd;
 337         __be16 version;
 338 #define IBMVNIC_INITIAL_VERSION 1
 339         u8 reserved[8];
 340         struct ibmvnic_rc rc;
 341 } __packed __aligned(8);
 342
 343 struct ibmvnic_capability {
 344         u8 first;
 345         u8 cmd;
 346         __be16 capability; /* one of ibmvnic_capabilities */
 347         __be64 number;
 348         struct ibmvnic_rc rc;
 349 } __packed __aligned(8);
 350
 351 struct ibmvnic_login {
 352         u8 first;
 353         u8 cmd;
 354         u8 reserved[6];
 355         __be32 ioba;
 356         __be32 len;
 357 } __packed __aligned(8);
 358
 359 struct ibmvnic_phys_parms {
 360         u8 first;
 361         u8 cmd;
 362         u8 flags1;
 363 #define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 364 #define IBMVNIC_INTERNAL_LOOPBACK       0x40
 365 #define IBMVNIC_PROMISC         0x20
 366 #define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 367 #define IBMVNIC_AUTONEG_DUPLEX  0x08
 368 #define IBMVNIC_FULL_DUPLEX     0x04
 369 #define IBMVNIC_HALF_DUPLEX     0x02
 370 #define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 371         u8 flags2;
 372 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 373         __be32 speed;
 374 #define IBMVNIC_AUTONEG         0x80
 375 #define IBMVNIC_10MBPS          0x40
 376 #define IBMVNIC_100MBPS         0x20
 377 #define IBMVNIC_1GBPS           0x10
 378 #define IBMVNIC_10GBPS          0x08
 379         __be32 mtu;
 380         struct ibmvnic_rc rc;
 381 } __packed __aligned(8);
 382
 383 struct ibmvnic_logical_link_state {
 384         u8 first;
 385         u8 cmd;
 386         u8 link_state;
 387 #define IBMVNIC_LOGICAL_LNK_DN 0x00
 388 #define IBMVNIC_LOGICAL_LNK_UP 0x01
 389 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 390         u8 reserved[9];
 391         struct ibmvnic_rc rc;
 392 } __packed __aligned(8);
 393
 394 struct ibmvnic_query_ip_offload {
 395         u8 first;
 396         u8 cmd;
 397         u8 reserved[2];
 398         __be32 len;
 399         __be32 ioba;
 400         struct ibmvnic_rc rc;
 401 } __packed __aligned(8);
 402
 403 struct ibmvnic_control_ip_offload {
 404         u8 first;
 405         u8 cmd;
 406         u8 reserved[2];
 407         __be32 ioba;
 408         __be32 len;
 409         struct ibmvnic_rc rc;
 410 } __packed __aligned(8);
 411
 412 struct ibmvnic_request_dump_size {
 413         u8 first;
 414         u8 cmd;
 415         u8 reserved[6];
 416         __be32 len;
 417         struct ibmvnic_rc rc;
 418 } __packed __aligned(8);
 419
 420 struct ibmvnic_request_dump {
 421         u8 first;
 422         u8 cmd;
 423         u8 reserved1[2];
 424         __be32 ioba;
 425         __be32 len;
 426         u8 reserved2[4];
 427 } __packed __aligned(8);
 428
 429 struct ibmvnic_request_dump_rsp {
 430         u8 first;
 431         u8 cmd;
 432         u8 reserved[6];
 433         __be32 dumped_len;
 434         struct ibmvnic_rc rc;
 435 } __packed __aligned(8);
 436
 437 struct ibmvnic_request_ras_comp_num {
 438         u8 first;
 439         u8 cmd;
 440         u8 reserved1[2];
 441         __be32 num_components;
 442         u8 reserved2[4];
 443         struct ibmvnic_rc rc;
 444 } __packed __aligned(8);
 445
 446 struct ibmvnic_request_ras_comps {
 447         u8 first;
 448         u8 cmd;
 449         u8 reserved[2];
 450         __be32 ioba;
 451         __be32 len;
 452         struct ibmvnic_rc rc;
 453 } __packed __aligned(8);
 454
 455 struct ibmvnic_control_ras {
 456         u8 first;
 457         u8 cmd;
 458         u8 correlator;
 459         u8 level;
 460         u8 op;
 461 #define IBMVNIC_TRACE_LEVEL     1
 462 #define IBMVNIC_ERROR_LEVEL     2
 463 #define IBMVNIC_TRACE_PAUSE     3
 464 #define IBMVNIC_TRACE_RESUME    4
 465 #define IBMVNIC_TRACE_ON                5
 466 #define IBMVNIC_TRACE_OFF               6
 467 #define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 468         u8 trace_buff_sz[3];
 469         u8 reserved[4];
 470         struct ibmvnic_rc rc;
 471 } __packed __aligned(8);
 472
 473 struct ibmvnic_collect_fw_trace {
 474         u8 first;
 475         u8 cmd;
 476         u8 correlator;
 477         u8 reserved;
 478         __be32 ioba;
 479         __be32 len;
 480         struct ibmvnic_rc rc;
 481 } __packed __aligned(8);
 482
 483 struct ibmvnic_request_statistics {
 484         u8 first;
 485         u8 cmd;
 486         u8 flags;
 487 #define IBMVNIC_PHYSICAL_PORT   0x80
 488         u8 reserved1;
 489         __be32 ioba;
 490         __be32 len;
 491         u8 reserved[4];
 492 } __packed __aligned(8);
 493
 494 struct ibmvnic_request_debug_stats {
 495         u8 first;
 496         u8 cmd;
 497         u8 reserved[2];
 498         __be32 ioba;
 499         __be32 len;
 500         struct ibmvnic_rc rc;
 501 } __packed __aligned(8);
 502
 503 struct ibmvnic_error_indication {
 504         u8 first;
 505         u8 cmd;
 506         u8 flags;
 507 #define IBMVNIC_FATAL_ERROR     0x80
 508         u8 reserved1;
 509         __be32 error_id;
 510         __be32 detail_error_sz;
 511         __be16 error_cause;
 512         u8 reserved2[2];
 513 } __packed __aligned(8);
 514
 515 struct ibmvnic_link_state_indication {
 516         u8 first;
 517         u8 cmd;
 518         u8 reserved1[2];
 519         u8 phys_link_state;
 520         u8 logical_link_state;
 521         u8 reserved2[10];
 522 } __packed __aligned(8);
 523
 524 struct ibmvnic_change_mac_addr {
 525         u8 first;
 526         u8 cmd;
 527         u8 mac_addr[6];
 528         u8 reserved[4];
 529         struct ibmvnic_rc rc;
 530 } __packed __aligned(8);
 531
 532 struct ibmvnic_multicast_ctrl {
 533         u8 first;
 534         u8 cmd;
 535         u8 mac_addr[6];
 536         u8 flags;
 537 #define IBMVNIC_ENABLE_MC               0x80
 538 #define IBMVNIC_DISABLE_MC              0x40
 539 #define IBMVNIC_ENABLE_ALL              0x20
 540 #define IBMVNIC_DISABLE_ALL     0x10
 541         u8 reserved1;
 542         __be16 reserved2; /* was num_enabled_mc_addr; */
 543         struct ibmvnic_rc rc;
 544 } __packed __aligned(8);
 545
 546 struct ibmvnic_get_vpd_size {
 547         u8 first;
 548         u8 cmd;
 549         u8 reserved[14];
 550 } __packed __aligned(8);
 551
 552 struct ibmvnic_get_vpd_size_rsp {
 553         u8 first;
 554         u8 cmd;
 555         u8 reserved[2];
 556         __be64 len;
 557         struct ibmvnic_rc rc;
 558 } __packed __aligned(8);
 559
 560 struct ibmvnic_get_vpd {
 561         u8 first;
 562         u8 cmd;
 563         u8 reserved1[2];
 564         __be32 ioba;
 565         __be32 len;
 566         u8 reserved[4];
 567 } __packed __aligned(8);
 568
 569 struct ibmvnic_get_vpd_rsp {
 570         u8 first;
 571         u8 cmd;
 572         u8 reserved[10];
 573         struct ibmvnic_rc rc;
 574 } __packed __aligned(8);
 575
 576 struct ibmvnic_acl_change_indication {
 577         u8 first;
 578         u8 cmd;
 579         __be16 change_type;
 580 #define IBMVNIC_MAC_ACL 0
 581 #define IBMVNIC_VLAN_ACL 1
 582         u8 reserved[12];
 583 } __packed __aligned(8);
 584
 585 struct ibmvnic_acl_query {
 586         u8 first;
 587         u8 cmd;
 588         u8 reserved1[2];
 589         __be32 ioba;
 590         __be32 len;
 591         u8 reserved2[4];
 592 } __packed __aligned(8);
 593
 594 struct ibmvnic_tune {
 595         u8 first;
 596         u8 cmd;
 597         u8 reserved1[2];
 598         __be32 ioba;
 599         __be32 len;
 600         u8 reserved2[4];
 601 } __packed __aligned(8);
 602
 603 struct ibmvnic_request_map {
 604         u8 first;
 605         u8 cmd;
 606         u8 reserved1;
 607         u8 map_id;
 608         __be32 ioba;
 609         __be32 len;
 610         u8 reserved2[4];
 611 } __packed __aligned(8);
 612
 613 struct ibmvnic_request_map_rsp {
 614         u8 first;
 615         u8 cmd;
 616         u8 reserved1;
 617         u8 map_id;
 618         u8 reserved2[8];
 619         struct ibmvnic_rc rc;
 620 } __packed __aligned(8);
 621
 622 struct ibmvnic_request_unmap {
 623         u8 first;
 624         u8 cmd;
 625         u8 reserved1;
 626         u8 map_id;
 627         u8 reserved2[12];
 628 } __packed __aligned(8);
 629
 630 struct ibmvnic_request_unmap_rsp {
 631         u8 first;
 632         u8 cmd;
 633         u8 reserved1;
 634         u8 map_id;
 635         u8 reserved2[8];
 636         struct ibmvnic_rc rc;
 637 } __packed __aligned(8);
 638
 639 struct ibmvnic_query_map {
 640         u8 first;
 641         u8 cmd;
 642         u8 reserved[14];
 643 } __packed __aligned(8);
 644
 645 struct ibmvnic_query_map_rsp {
 646         u8 first;
 647         u8 cmd;
 648         u8 reserved;
 649         u8 page_size;
 650         __be32 tot_pages;
 651         __be32 free_pages;
 652         struct ibmvnic_rc rc;
 653 } __packed __aligned(8);
 654
 655 union ibmvnic_crq {
 656         struct ibmvnic_generic_crq generic;
 657         struct ibmvnic_version_exchange version_exchange;
 658         struct ibmvnic_version_exchange version_exchange_rsp;
 659         struct ibmvnic_capability query_capability;
 660         struct ibmvnic_capability query_capability_rsp;
 661         struct ibmvnic_capability request_capability;
 662         struct ibmvnic_capability request_capability_rsp;
 663         struct ibmvnic_login login;
 664         struct ibmvnic_generic_crq login_rsp;
 665         struct ibmvnic_phys_parms query_phys_parms;
 666         struct ibmvnic_phys_parms query_phys_parms_rsp;
 667         struct ibmvnic_phys_parms query_phys_capabilities;
 668         struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 669         struct ibmvnic_phys_parms set_phys_parms;
 670         struct ibmvnic_phys_parms set_phys_parms_rsp;
 671         struct ibmvnic_logical_link_state logical_link_state;
 672         struct ibmvnic_logical_link_state logical_link_state_rsp;
 673         struct ibmvnic_query_ip_offload query_ip_offload;
 674         struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 675         struct ibmvnic_control_ip_offload control_ip_offload;
 676         struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 677         struct ibmvnic_request_dump_size request_dump_size;
 678         struct ibmvnic_request_dump_size request_dump_size_rsp;
 679         struct ibmvnic_request_dump request_dump;
 680         struct ibmvnic_request_dump_rsp request_dump_rsp;
 681         struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 682         struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 683         struct ibmvnic_request_ras_comps request_ras_comps;
 684         struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 685         struct ibmvnic_control_ras control_ras;
 686         struct ibmvnic_control_ras control_ras_rsp;
 687         struct ibmvnic_collect_fw_trace collect_fw_trace;
 688         struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 689         struct ibmvnic_request_statistics request_statistics;
 690         struct ibmvnic_generic_crq request_statistics_rsp;
 691         struct ibmvnic_request_debug_stats request_debug_stats;
 692         struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 693         struct ibmvnic_error_indication error_indication;
 694         struct ibmvnic_link_state_indication link_state_indication;
 695         struct ibmvnic_change_mac_addr change_mac_addr;
 696         struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 697         struct ibmvnic_multicast_ctrl multicast_ctrl;
 698         struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 699         struct ibmvnic_get_vpd_size get_vpd_size;
 700         struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 701         struct ibmvnic_get_vpd get_vpd;
 702         struct ibmvnic_get_vpd_rsp get_vpd_rsp;
 703         struct ibmvnic_acl_change_indication acl_change_indication;
 704         struct ibmvnic_acl_query acl_query;
 705         struct ibmvnic_generic_crq acl_query_rsp;
 706         struct ibmvnic_tune tune;
 707         struct ibmvnic_generic_crq tune_rsp;
 708         struct ibmvnic_request_map request_map;
 709         struct ibmvnic_request_map_rsp request_map_rsp;
 710         struct ibmvnic_request_unmap request_unmap;
 711         struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 712         struct ibmvnic_query_map query_map;
 713         struct ibmvnic_query_map_rsp query_map_rsp;
 714 };
 715
 716 enum ibmvnic_rc_codes {
 717         SUCCESS = 0,
 718         PARTIALSUCCESS = 1,
 719         PERMISSION = 2,
 720         NOMEMORY = 3,
 721         PARAMETER = 4,
 722         UNKNOWNCOMMAND = 5,
 723         ABORTED = 6,
 724         INVALIDSTATE = 7,
 725         INVALIDIOBA = 8,
 726         INVALIDLENGTH = 9,
 727         UNSUPPORTEDOPTION = 10,
 728 };
 729
 730 enum ibmvnic_capabilities {
 731         MIN_TX_QUEUES = 1,
 732         MIN_RX_QUEUES = 2,
 733         MIN_RX_ADD_QUEUES = 3,
 734         MAX_TX_QUEUES = 4,
 735         MAX_RX_QUEUES = 5,
 736         MAX_RX_ADD_QUEUES = 6,
 737         REQ_TX_QUEUES = 7,
 738         REQ_RX_QUEUES = 8,
 739         REQ_RX_ADD_QUEUES = 9,
 740         MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 741         MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 742         MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 743         MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 744         REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 745         REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 746         TCP_IP_OFFLOAD = 16,
 747         PROMISC_REQUESTED = 17,
 748         PROMISC_SUPPORTED = 18,
 749         MIN_MTU = 19,
 750         MAX_MTU = 20,
 751         REQ_MTU = 21,
 752         MAX_MULTICAST_FILTERS = 22,
 753         VLAN_HEADER_INSERTION = 23,
 754         RX_VLAN_HEADER_INSERTION = 24,
 755         MAX_TX_SG_ENTRIES = 25,
 756         RX_SG_SUPPORTED = 26,
 757         RX_SG_REQUESTED = 27,
 758         OPT_TX_COMP_SUB_QUEUES = 28,
 759         OPT_RX_COMP_QUEUES = 29,
 760         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 761         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 762         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 763         TX_RX_DESC_REQ = 33,
 764 };
 765
 766 enum ibmvnic_error_cause {
 767         ADAPTER_PROBLEM = 0,
 768         BUS_PROBLEM = 1,
 769         FW_PROBLEM = 2,
 770         DD_PROBLEM = 3,
 771         EEH_RECOVERY = 4,
 772         FW_UPDATED = 5,
 773         LOW_MEMORY = 6,
 774 };
 775
 776 enum ibmvnic_commands {
 777         VERSION_EXCHANGE = 0x01,
 778         VERSION_EXCHANGE_RSP = 0x81,
 779         QUERY_CAPABILITY = 0x02,
 780         QUERY_CAPABILITY_RSP = 0x82,
 781         REQUEST_CAPABILITY = 0x03,
 782         REQUEST_CAPABILITY_RSP = 0x83,
 783         LOGIN = 0x04,
 784         LOGIN_RSP = 0x84,
 785         QUERY_PHYS_PARMS = 0x05,
 786         QUERY_PHYS_PARMS_RSP = 0x85,
 787         QUERY_PHYS_CAPABILITIES = 0x06,
 788         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 789         SET_PHYS_PARMS = 0x07,
 790         SET_PHYS_PARMS_RSP = 0x87,
 791         ERROR_INDICATION = 0x08,
 792         LOGICAL_LINK_STATE = 0x0C,
 793         LOGICAL_LINK_STATE_RSP = 0x8C,
 794         REQUEST_STATISTICS = 0x0D,
 795         REQUEST_STATISTICS_RSP = 0x8D,
 796         COLLECT_FW_TRACE = 0x11,
 797         COLLECT_FW_TRACE_RSP = 0x91,
 798         LINK_STATE_INDICATION = 0x12,
 799         CHANGE_MAC_ADDR = 0x13,
 800         CHANGE_MAC_ADDR_RSP = 0x93,
 801         MULTICAST_CTRL = 0x14,
 802         MULTICAST_CTRL_RSP = 0x94,
 803         GET_VPD_SIZE = 0x15,
 804         GET_VPD_SIZE_RSP = 0x95,
 805         GET_VPD = 0x16,
 806         GET_VPD_RSP = 0x96,
 807         TUNE = 0x17,
 808         TUNE_RSP = 0x97,
 809         QUERY_IP_OFFLOAD = 0x18,
 810         QUERY_IP_OFFLOAD_RSP = 0x98,
 811         CONTROL_IP_OFFLOAD = 0x19,
 812         CONTROL_IP_OFFLOAD_RSP = 0x99,
 813         ACL_CHANGE_INDICATION = 0x1A,
 814         ACL_QUERY = 0x1B,
 815         ACL_QUERY_RSP = 0x9B,
 816         QUERY_MAP = 0x1D,
 817         QUERY_MAP_RSP = 0x9D,
 818         REQUEST_MAP = 0x1E,
 819         REQUEST_MAP_RSP = 0x9E,
 820         REQUEST_UNMAP = 0x1F,
 821         REQUEST_UNMAP_RSP = 0x9F,
 822         VLAN_CTRL = 0x20,
 823         VLAN_CTRL_RSP = 0xA0,
 824 };
 825
 826 enum ibmvnic_crq_type {
 827         IBMVNIC_CRQ_CMD                 = 0x80,
 828         IBMVNIC_CRQ_CMD_RSP             = 0x80,
 829         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 830         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 831         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 832 };
 833
 834 enum ibmvfc_crq_format {
 835         IBMVNIC_CRQ_INIT                 = 0x01,
 836         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 837         IBMVNIC_PARTITION_MIGRATED       = 0x06,
 838         IBMVNIC_DEVICE_FAILOVER          = 0x08,
 839 };
 840
 841 struct ibmvnic_crq_queue {
 842         union ibmvnic_crq *msgs;
 843         int size, cur;
 844         dma_addr_t msg_token;
 845         spinlock_t lock;
 846         bool active;
 847 };
 848
 849 union sub_crq {
 850         struct ibmvnic_generic_scrq generic;
 851         struct ibmvnic_tx_comp_desc tx_comp;
 852         struct ibmvnic_tx_desc v1;
 853         struct ibmvnic_hdr_desc hdr;
 854         struct ibmvnic_hdr_ext_desc hdr_ext;
 855         struct ibmvnic_sge_desc sge;
 856         struct ibmvnic_rx_comp_desc rx_comp;
 857         struct ibmvnic_rx_buff_add_desc rx_add;
 858 };
 859
 860 struct ibmvnic_sub_crq_queue {
 861         union sub_crq *msgs;
 862         int size, cur;
 863         dma_addr_t msg_token;
 864         unsigned long crq_num;
 865         unsigned long hw_irq;
 866         unsigned int irq;
 867         unsigned int pool_index;
 868         int scrq_num;
 869         spinlock_t lock;
 870         struct sk_buff *rx_skb_top;
 871         struct ibmvnic_adapter *adapter;
 872         atomic_t used;
 873 };
 874
 875 struct ibmvnic_long_term_buff {
 876         unsigned char *buff;
 877         dma_addr_t addr;
 878         u64 size;
 879         u8 map_id;
 880 };
 881
 882 struct ibmvnic_tx_buff {
 883         struct sk_buff *skb;
 884         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 885         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 886         int index;
 887         int pool_index;
 888         bool last_frag;
 889         union sub_crq indir_arr[6];
 890         u8 hdr_data[140];
 891         dma_addr_t indir_dma;
 892         int num_entries;
 893 };
 894
 895 struct ibmvnic_tx_pool {
 896         struct ibmvnic_tx_buff *tx_buff;
 897         int *free_map;
 898         int consumer_index;
 899         int producer_index;
 900         struct ibmvnic_long_term_buff long_term_buff;
 901         int num_buffers;
 902         int buf_size;
 903 };
 904
 905 struct ibmvnic_rx_buff {
 906         struct sk_buff *skb;
 907         dma_addr_t dma;
 908         unsigned char *data;
 909         int size;
 910         int pool_index;
 911 };
 912
 913 struct ibmvnic_rx_pool {
 914         struct ibmvnic_rx_buff *rx_buff;
 915         int size;
 916         int index;
 917         int buff_size;
 918         atomic_t available;
 919         int *free_map;
 920         int next_free;
 921         int next_alloc;
 922         int active;
 923         struct ibmvnic_long_term_buff long_term_buff;
 924 };
 925
 926 struct ibmvnic_vpd {
 927         unsigned char *buff;
 928         dma_addr_t dma_addr;
 929         u64 len;
 930 };
 931
 932 enum vnic_state {VNIC_PROBING = 1,
 933                  VNIC_PROBED,
 934                  VNIC_OPENING,
 935                  VNIC_OPEN,
 936                  VNIC_CLOSING,
 937                  VNIC_CLOSED,
 938                  VNIC_REMOVING,
 939                  VNIC_REMOVED};
 940
 941 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
 942                            VNIC_RESET_MOBILITY,
 943                            VNIC_RESET_FATAL,
 944                            VNIC_RESET_NON_FATAL,
 945                            VNIC_RESET_TIMEOUT,
 946                            VNIC_RESET_CHANGE_PARAM};
 947
 948 struct ibmvnic_rwi {
 949         enum ibmvnic_reset_reason reset_reason;
 950         struct list_head list;
 951 };
 952
 953 struct ibmvnic_tunables {
 954         u64 rx_queues;
 955         u64 tx_queues;
 956         u64 rx_entries;
 957         u64 tx_entries;
 958         u64 mtu;
 959         struct sockaddr mac;
 960 };
 961
 962 struct ibmvnic_adapter {
 963         struct vio_dev *vdev;
 964         struct net_device *netdev;
 965         struct ibmvnic_crq_queue crq;
 966         u8 mac_addr[ETH_ALEN];
 967         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 968         dma_addr_t ip_offload_tok;
 969         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 970         dma_addr_t ip_offload_ctrl_tok;
 971         u32 msg_enable;
 972
 973         /* Vital Product Data (VPD) */
 974         struct ibmvnic_vpd *vpd;
 975         char fw_version[32];
 976
 977         /* Statistics */
 978         struct ibmvnic_statistics stats;
 979         dma_addr_t stats_token;
 980         struct completion stats_done;
 981         spinlock_t stats_lock;
 982         int replenish_no_mem;
 983         int replenish_add_buff_success;
 984         int replenish_add_buff_failure;
 985         int replenish_task_cycles;
 986         int tx_send_failed;
 987         int tx_map_failed;
 988
 989         struct ibmvnic_tx_queue_stats *tx_stats_buffers;
 990         struct ibmvnic_rx_queue_stats *rx_stats_buffers;
 991
 992         int phys_link_state;
 993         int logical_link_state;
 994
 995         /* login data */
 996         struct ibmvnic_login_buffer *login_buf;
 997         dma_addr_t login_buf_token;
 998         int login_buf_sz;
 999
1000         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1001         dma_addr_t login_rsp_buf_token;
1002         int login_rsp_buf_sz;
1003
1004         atomic_t running_cap_crqs;
1005         bool wait_capability;
1006
1007         struct ibmvnic_sub_crq_queue **tx_scrq;
1008         struct ibmvnic_sub_crq_queue **rx_scrq;
1009
1010         /* rx structs */
1011         struct napi_struct *napi;
1012         struct ibmvnic_rx_pool *rx_pool;
1013         u64 promisc;
1014
1015         struct ibmvnic_tx_pool *tx_pool;
1016         struct ibmvnic_tx_pool *tso_pool;
1017         struct completion init_done;
1018         int init_done_rc;
1019
1020         struct completion fw_done;
1021         int fw_done_rc;
1022
1023         struct completion reset_done;
1024         int reset_done_rc;
1025         bool wait_for_reset;
1026
1027         /* partner capabilities */
1028         u64 min_tx_queues;
1029         u64 min_rx_queues;
1030         u64 min_rx_add_queues;
1031         u64 max_tx_queues;
1032         u64 max_rx_queues;
1033         u64 max_rx_add_queues;
1034         u64 req_tx_queues;
1035         u64 req_rx_queues;
1036         u64 req_rx_add_queues;
1037         u64 min_tx_entries_per_subcrq;
1038         u64 min_rx_add_entries_per_subcrq;
1039         u64 max_tx_entries_per_subcrq;
1040         u64 max_rx_add_entries_per_subcrq;
1041         u64 req_tx_entries_per_subcrq;
1042         u64 req_rx_add_entries_per_subcrq;
1043         u64 tcp_ip_offload;
1044         u64 promisc_requested;
1045         u64 promisc_supported;
1046         u64 min_mtu;
1047         u64 max_mtu;
1048         u64 req_mtu;
1049         u64 max_multicast_filters;
1050         u64 vlan_header_insertion;
1051         u64 rx_vlan_header_insertion;
1052         u64 max_tx_sg_entries;
1053         u64 rx_sg_supported;
1054         u64 rx_sg_requested;
1055         u64 opt_tx_comp_sub_queues;
1056         u64 opt_rx_comp_queues;
1057         u64 opt_rx_bufadd_q_per_rx_comp_q;
1058         u64 opt_tx_entries_per_subcrq;
1059         u64 opt_rxba_entries_per_subcrq;
1060         __be64 tx_rx_desc_req;
1061         u8 map_id;
1062         u32 num_active_rx_scrqs;
1063         u32 num_active_rx_pools;
1064         u32 num_active_rx_napi;
1065         u32 num_active_tx_scrqs;
1066         u32 num_active_tx_pools;
1067
1068         struct tasklet_struct tasklet;
1069         enum vnic_state state;
1070         enum ibmvnic_reset_reason reset_reason;
1071         spinlock_t rwi_lock;
1072         struct list_head rwi_list;
1073         struct work_struct ibmvnic_reset;
1074         bool resetting;
1075         bool napi_enabled, from_passive_init;
1076
1077         bool mac_change_pending;
1078         bool failover_pending;
1079         bool force_reset_recovery;
1080
1081         struct ibmvnic_tunables desired;
1082         struct ibmvnic_tunables fallback;
1083 };