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 24 /* basic structures plus 100 2k buffers */ 25 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305 26 27 /* Initial module_parameters */ 28 #define IBMVNIC_RX_WEIGHT 16 29 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */ 30 #define IBMVNIC_BUFFS_PER_POOL 100 31 #define IBMVNIC_MAX_QUEUES 16 32 #define IBMVNIC_MAX_QUEUE_SZ 4096 33 34 #define IBMVNIC_TSO_BUF_SZ 65536 35 #define IBMVNIC_TSO_BUFS 64 36 #define IBMVNIC_TSO_POOL_MASK 0x80000000 37 38 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE) 39 #define IBMVNIC_BUFFER_HLEN 500 40 41 static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = { 42 #define IBMVNIC_USE_SERVER_MAXES 0x1 43 "use-server-maxes" 44 }; 45 46 struct ibmvnic_login_buffer { 47 __be32 len; 48 __be32 version; 49 #define INITIAL_VERSION_LB 1 50 __be32 num_txcomp_subcrqs; 51 __be32 off_txcomp_subcrqs; 52 __be32 num_rxcomp_subcrqs; 53 __be32 off_rxcomp_subcrqs; 54 __be32 login_rsp_ioba; 55 __be32 login_rsp_len; 56 __be32 client_data_offset; 57 __be32 client_data_len; 58 } __packed __aligned(8); 59 60 struct ibmvnic_login_rsp_buffer { 61 __be32 len; 62 __be32 version; 63 #define INITIAL_VERSION_LRB 1 64 __be32 num_txsubm_subcrqs; 65 __be32 off_txsubm_subcrqs; 66 __be32 num_rxadd_subcrqs; 67 __be32 off_rxadd_subcrqs; 68 __be32 off_rxadd_buff_size; 69 __be32 num_supp_tx_desc; 70 __be32 off_supp_tx_desc; 71 } __packed __aligned(8); 72 73 struct ibmvnic_query_ip_offload_buffer { 74 __be32 len; 75 __be32 version; 76 #define INITIAL_VERSION_IOB 1 77 u8 ipv4_chksum; 78 u8 ipv6_chksum; 79 u8 tcp_ipv4_chksum; 80 u8 tcp_ipv6_chksum; 81 u8 udp_ipv4_chksum; 82 u8 udp_ipv6_chksum; 83 u8 large_tx_ipv4; 84 u8 large_tx_ipv6; 85 u8 large_rx_ipv4; 86 u8 large_rx_ipv6; 87 u8 reserved1[14]; 88 __be16 max_ipv4_header_size; 89 __be16 max_ipv6_header_size; 90 __be16 max_tcp_header_size; 91 __be16 max_udp_header_size; 92 __be32 max_large_tx_size; 93 __be32 max_large_rx_size; 94 u8 reserved2[16]; 95 u8 ipv6_extension_header; 96 #define IPV6_EH_NOT_SUPPORTED 0x00 97 #define IPV6_EH_SUPPORTED_LIM 0x01 98 #define IPV6_EH_SUPPORTED 0xFF 99 u8 tcp_pseudosum_req; 100 #define TCP_PS_NOT_REQUIRED 0x00 101 #define TCP_PS_REQUIRED 0x01 102 u8 reserved3[30]; 103 __be16 num_ipv6_ext_headers; 104 __be32 off_ipv6_ext_headers; 105 u8 reserved4[154]; 106 } __packed __aligned(8); 107 108 struct ibmvnic_control_ip_offload_buffer { 109 __be32 len; 110 __be32 version; 111 #define INITIAL_VERSION_IOB 1 112 u8 ipv4_chksum; 113 u8 ipv6_chksum; 114 u8 tcp_ipv4_chksum; 115 u8 tcp_ipv6_chksum; 116 u8 udp_ipv4_chksum; 117 u8 udp_ipv6_chksum; 118 u8 large_tx_ipv4; 119 u8 large_tx_ipv6; 120 u8 bad_packet_rx; 121 u8 large_rx_ipv4; 122 u8 large_rx_ipv6; 123 u8 reserved4[111]; 124 } __packed __aligned(8); 125 126 struct ibmvnic_fw_component { 127 u8 name[48]; 128 __be32 trace_buff_size; 129 u8 correlator; 130 u8 trace_level; 131 u8 parent_correlator; 132 u8 error_check_level; 133 u8 trace_on; 134 u8 reserved[7]; 135 u8 description[192]; 136 } __packed __aligned(8); 137 138 struct ibmvnic_fw_trace_entry { 139 __be32 trace_id; 140 u8 num_valid_data; 141 u8 reserved[3]; 142 __be64 pmc_registers; 143 __be64 timebase; 144 __be64 trace_data[5]; 145 } __packed __aligned(8); 146 147 struct ibmvnic_statistics { 148 __be32 version; 149 __be32 promiscuous; 150 __be64 rx_packets; 151 __be64 rx_bytes; 152 __be64 tx_packets; 153 __be64 tx_bytes; 154 __be64 ucast_tx_packets; 155 __be64 ucast_rx_packets; 156 __be64 mcast_tx_packets; 157 __be64 mcast_rx_packets; 158 __be64 bcast_tx_packets; 159 __be64 bcast_rx_packets; 160 __be64 align_errors; 161 __be64 fcs_errors; 162 __be64 single_collision_frames; 163 __be64 multi_collision_frames; 164 __be64 sqe_test_errors; 165 __be64 deferred_tx; 166 __be64 late_collisions; 167 __be64 excess_collisions; 168 __be64 internal_mac_tx_errors; 169 __be64 carrier_sense; 170 __be64 too_long_frames; 171 __be64 internal_mac_rx_errors; 172 u8 reserved[72]; 173 } __packed __aligned(8); 174 175 #define NUM_TX_STATS 3 176 struct ibmvnic_tx_queue_stats { 177 u64 packets; 178 u64 bytes; 179 u64 dropped_packets; 180 }; 181 182 #define NUM_RX_STATS 3 183 struct ibmvnic_rx_queue_stats { 184 u64 packets; 185 u64 bytes; 186 u64 interrupts; 187 }; 188 189 struct ibmvnic_acl_buffer { 190 __be32 len; 191 __be32 version; 192 #define INITIAL_VERSION_IOB 1 193 u8 mac_acls_restrict; 194 u8 vlan_acls_restrict; 195 u8 reserved1[22]; 196 __be32 num_mac_addrs; 197 __be32 offset_mac_addrs; 198 __be32 num_vlan_ids; 199 __be32 offset_vlan_ids; 200 u8 reserved2[80]; 201 } __packed __aligned(8); 202 203 /* descriptors have been changed, how should this be defined? 1? 4? */ 204 205 #define IBMVNIC_TX_DESC_VERSIONS 3 206 207 /* is this still needed? */ 208 struct ibmvnic_tx_comp_desc { 209 u8 first; 210 u8 num_comps; 211 __be16 rcs[5]; 212 __be32 correlators[5]; 213 } __packed __aligned(8); 214 215 /* some flags that included in v0 descriptor, which is gone 216 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 217 * and only in some offload_flags variable that doesn't seem 218 * to be used anywhere, can probably be removed? 219 */ 220 221 #define IBMVNIC_TCP_CHKSUM 0x20 222 #define IBMVNIC_UDP_CHKSUM 0x08 223 224 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 225 226 struct ibmvnic_tx_desc { 227 u8 first; 228 u8 type; 229 230 #define IBMVNIC_TX_DESC 0x10 231 u8 n_crq_elem; 232 u8 n_sge; 233 u8 flags1; 234 #define IBMVNIC_TX_COMP_NEEDED 0x80 235 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 236 #define IBMVNIC_TX_LSO 0x20 237 #define IBMVNIC_TX_PROT_TCP 0x10 238 #define IBMVNIC_TX_PROT_UDP 0x08 239 #define IBMVNIC_TX_PROT_IPV4 0x04 240 #define IBMVNIC_TX_PROT_IPV6 0x02 241 #define IBMVNIC_TX_VLAN_PRESENT 0x01 242 u8 flags2; 243 #define IBMVNIC_TX_VLAN_INSERT 0x80 244 __be16 mss; 245 u8 reserved[4]; 246 __be32 correlator; 247 __be16 vlan_id; 248 __be16 dma_reg; 249 __be32 sge_len; 250 __be64 ioba; 251 } __packed __aligned(8); 252 253 struct ibmvnic_hdr_desc { 254 u8 first; 255 u8 type; 256 #define IBMVNIC_HDR_DESC 0x11 257 u8 len; 258 u8 l2_len; 259 __be16 l3_len; 260 u8 l4_len; 261 u8 flag; 262 u8 data[24]; 263 } __packed __aligned(8); 264 265 struct ibmvnic_hdr_ext_desc { 266 u8 first; 267 u8 type; 268 #define IBMVNIC_HDR_EXT_DESC 0x12 269 u8 len; 270 u8 data[29]; 271 } __packed __aligned(8); 272 273 struct ibmvnic_sge_desc { 274 u8 first; 275 u8 type; 276 #define IBMVNIC_SGE_DESC 0x30 277 __be16 sge1_dma_reg; 278 __be32 sge1_len; 279 __be64 sge1_ioba; 280 __be16 reserved; 281 __be16 sge2_dma_reg; 282 __be32 sge2_len; 283 __be64 sge2_ioba; 284 } __packed __aligned(8); 285 286 struct ibmvnic_rx_comp_desc { 287 u8 first; 288 u8 flags; 289 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 290 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 291 #define IBMVNIC_END_FRAME 0x20 292 #define IBMVNIC_EXACT_MC 0x10 293 #define IBMVNIC_VLAN_STRIPPED 0x08 294 __be16 off_frame_data; 295 __be32 len; 296 __be64 correlator; 297 __be16 vlan_tci; 298 __be16 rc; 299 u8 reserved[12]; 300 } __packed __aligned(8); 301 302 struct ibmvnic_generic_scrq { 303 u8 first; 304 u8 reserved[31]; 305 } __packed __aligned(8); 306 307 struct ibmvnic_rx_buff_add_desc { 308 u8 first; 309 u8 reserved[7]; 310 __be64 correlator; 311 __be32 ioba; 312 u8 map_id; 313 __be32 len:24; 314 u8 reserved2[8]; 315 } __packed __aligned(8); 316 317 struct ibmvnic_rc { 318 u8 code; /* one of enum ibmvnic_rc_codes */ 319 u8 detailed_data[3]; 320 } __packed __aligned(4); 321 322 struct ibmvnic_generic_crq { 323 u8 first; 324 u8 cmd; 325 u8 params[10]; 326 struct ibmvnic_rc rc; 327 } __packed __aligned(8); 328 329 struct ibmvnic_version_exchange { 330 u8 first; 331 u8 cmd; 332 __be16 version; 333 #define IBMVNIC_INITIAL_VERSION 1 334 u8 reserved[8]; 335 struct ibmvnic_rc rc; 336 } __packed __aligned(8); 337 338 struct ibmvnic_capability { 339 u8 first; 340 u8 cmd; 341 __be16 capability; /* one of ibmvnic_capabilities */ 342 __be64 number; 343 struct ibmvnic_rc rc; 344 } __packed __aligned(8); 345 346 struct ibmvnic_login { 347 u8 first; 348 u8 cmd; 349 u8 reserved[6]; 350 __be32 ioba; 351 __be32 len; 352 } __packed __aligned(8); 353 354 struct ibmvnic_phys_parms { 355 u8 first; 356 u8 cmd; 357 u8 flags1; 358 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 359 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 360 #define IBMVNIC_PROMISC 0x20 361 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 362 #define IBMVNIC_AUTONEG_DUPLEX 0x08 363 #define IBMVNIC_FULL_DUPLEX 0x04 364 #define IBMVNIC_HALF_DUPLEX 0x02 365 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 366 u8 flags2; 367 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 368 __be32 speed; 369 #define IBMVNIC_AUTONEG 0x80000000 370 #define IBMVNIC_10MBPS 0x40000000 371 #define IBMVNIC_100MBPS 0x20000000 372 #define IBMVNIC_1GBPS 0x10000000 373 #define IBMVNIC_10GBP 0x08000000 374 #define IBMVNIC_40GBPS 0x04000000 375 #define IBMVNIC_100GBPS 0x02000000 376 #define IBMVNIC_25GBPS 0x01000000 377 #define IBMVNIC_50GBPS 0x00800000 378 #define IBMVNIC_200GBPS 0x00400000 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 char name[32]; 848 }; 849 850 union sub_crq { 851 struct ibmvnic_generic_scrq generic; 852 struct ibmvnic_tx_comp_desc tx_comp; 853 struct ibmvnic_tx_desc v1; 854 struct ibmvnic_hdr_desc hdr; 855 struct ibmvnic_hdr_ext_desc hdr_ext; 856 struct ibmvnic_sge_desc sge; 857 struct ibmvnic_rx_comp_desc rx_comp; 858 struct ibmvnic_rx_buff_add_desc rx_add; 859 }; 860 861 struct ibmvnic_sub_crq_queue { 862 union sub_crq *msgs; 863 int size, cur; 864 dma_addr_t msg_token; 865 unsigned long crq_num; 866 unsigned long hw_irq; 867 unsigned int irq; 868 unsigned int pool_index; 869 int scrq_num; 870 spinlock_t lock; 871 struct sk_buff *rx_skb_top; 872 struct ibmvnic_adapter *adapter; 873 atomic_t used; 874 char name[32]; 875 }; 876 877 struct ibmvnic_long_term_buff { 878 unsigned char *buff; 879 dma_addr_t addr; 880 u64 size; 881 u8 map_id; 882 }; 883 884 struct ibmvnic_tx_buff { 885 struct sk_buff *skb; 886 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 887 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 888 int index; 889 int pool_index; 890 bool last_frag; 891 union sub_crq indir_arr[6]; 892 u8 hdr_data[140]; 893 dma_addr_t indir_dma; 894 int num_entries; 895 }; 896 897 struct ibmvnic_tx_pool { 898 struct ibmvnic_tx_buff *tx_buff; 899 int *free_map; 900 int consumer_index; 901 int producer_index; 902 struct ibmvnic_long_term_buff long_term_buff; 903 int num_buffers; 904 int buf_size; 905 }; 906 907 struct ibmvnic_rx_buff { 908 struct sk_buff *skb; 909 dma_addr_t dma; 910 unsigned char *data; 911 int size; 912 int pool_index; 913 }; 914 915 struct ibmvnic_rx_pool { 916 struct ibmvnic_rx_buff *rx_buff; 917 int size; 918 int index; 919 int buff_size; 920 atomic_t available; 921 int *free_map; 922 int next_free; 923 int next_alloc; 924 int active; 925 struct ibmvnic_long_term_buff long_term_buff; 926 }; 927 928 struct ibmvnic_vpd { 929 unsigned char *buff; 930 dma_addr_t dma_addr; 931 u64 len; 932 }; 933 934 enum vnic_state {VNIC_PROBING = 1, 935 VNIC_PROBED, 936 VNIC_OPENING, 937 VNIC_OPEN, 938 VNIC_CLOSING, 939 VNIC_CLOSED, 940 VNIC_REMOVING, 941 VNIC_REMOVED}; 942 943 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 944 VNIC_RESET_MOBILITY, 945 VNIC_RESET_FATAL, 946 VNIC_RESET_NON_FATAL, 947 VNIC_RESET_TIMEOUT, 948 VNIC_RESET_CHANGE_PARAM}; 949 950 struct ibmvnic_rwi { 951 enum ibmvnic_reset_reason reset_reason; 952 struct list_head list; 953 }; 954 955 struct ibmvnic_tunables { 956 u64 rx_queues; 957 u64 tx_queues; 958 u64 rx_entries; 959 u64 tx_entries; 960 u64 mtu; 961 }; 962 963 struct ibmvnic_adapter { 964 struct vio_dev *vdev; 965 struct net_device *netdev; 966 struct ibmvnic_crq_queue crq; 967 u8 mac_addr[ETH_ALEN]; 968 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 969 dma_addr_t ip_offload_tok; 970 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 971 dma_addr_t ip_offload_ctrl_tok; 972 u32 msg_enable; 973 u32 priv_flags; 974 975 /* Vital Product Data (VPD) */ 976 struct ibmvnic_vpd *vpd; 977 char fw_version[32]; 978 979 /* Statistics */ 980 struct ibmvnic_statistics stats; 981 dma_addr_t stats_token; 982 struct completion stats_done; 983 spinlock_t stats_lock; 984 int replenish_no_mem; 985 int replenish_add_buff_success; 986 int replenish_add_buff_failure; 987 int replenish_task_cycles; 988 int tx_send_failed; 989 int tx_map_failed; 990 991 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 992 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 993 994 int phys_link_state; 995 int logical_link_state; 996 997 u32 speed; 998 u8 duplex; 999 1000 /* login data */ 1001 struct ibmvnic_login_buffer *login_buf; 1002 dma_addr_t login_buf_token; 1003 int login_buf_sz; 1004 1005 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 1006 dma_addr_t login_rsp_buf_token; 1007 int login_rsp_buf_sz; 1008 1009 atomic_t running_cap_crqs; 1010 bool wait_capability; 1011 1012 struct ibmvnic_sub_crq_queue **tx_scrq; 1013 struct ibmvnic_sub_crq_queue **rx_scrq; 1014 1015 /* rx structs */ 1016 struct napi_struct *napi; 1017 struct ibmvnic_rx_pool *rx_pool; 1018 u64 promisc; 1019 1020 struct ibmvnic_tx_pool *tx_pool; 1021 struct ibmvnic_tx_pool *tso_pool; 1022 struct completion init_done; 1023 int init_done_rc; 1024 1025 struct completion fw_done; 1026 int fw_done_rc; 1027 1028 struct completion reset_done; 1029 int reset_done_rc; 1030 bool wait_for_reset; 1031 1032 /* partner capabilities */ 1033 u64 min_tx_queues; 1034 u64 min_rx_queues; 1035 u64 min_rx_add_queues; 1036 u64 max_tx_queues; 1037 u64 max_rx_queues; 1038 u64 max_rx_add_queues; 1039 u64 req_tx_queues; 1040 u64 req_rx_queues; 1041 u64 req_rx_add_queues; 1042 u64 min_tx_entries_per_subcrq; 1043 u64 min_rx_add_entries_per_subcrq; 1044 u64 max_tx_entries_per_subcrq; 1045 u64 max_rx_add_entries_per_subcrq; 1046 u64 req_tx_entries_per_subcrq; 1047 u64 req_rx_add_entries_per_subcrq; 1048 u64 tcp_ip_offload; 1049 u64 promisc_requested; 1050 u64 promisc_supported; 1051 u64 min_mtu; 1052 u64 max_mtu; 1053 u64 req_mtu; 1054 u64 max_multicast_filters; 1055 u64 vlan_header_insertion; 1056 u64 rx_vlan_header_insertion; 1057 u64 max_tx_sg_entries; 1058 u64 rx_sg_supported; 1059 u64 rx_sg_requested; 1060 u64 opt_tx_comp_sub_queues; 1061 u64 opt_rx_comp_queues; 1062 u64 opt_rx_bufadd_q_per_rx_comp_q; 1063 u64 opt_tx_entries_per_subcrq; 1064 u64 opt_rxba_entries_per_subcrq; 1065 __be64 tx_rx_desc_req; 1066 u8 map_id; 1067 u32 num_active_rx_scrqs; 1068 u32 num_active_rx_pools; 1069 u32 num_active_rx_napi; 1070 u32 num_active_tx_scrqs; 1071 u32 num_active_tx_pools; 1072 1073 struct tasklet_struct tasklet; 1074 enum vnic_state state; 1075 enum ibmvnic_reset_reason reset_reason; 1076 spinlock_t rwi_lock; 1077 struct list_head rwi_list; 1078 struct work_struct ibmvnic_reset; 1079 bool resetting; 1080 bool napi_enabled, from_passive_init; 1081 1082 bool failover_pending; 1083 bool force_reset_recovery; 1084 1085 struct ibmvnic_tunables desired; 1086 struct ibmvnic_tunables fallback; 1087 }; 1088