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_TX_QUEUES 5 43 44 #define IBMVNIC_TSO_BUF_SZ 65536 45 #define IBMVNIC_TSO_BUFS 64 46 47 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE) 48 #define IBMVNIC_BUFFER_HLEN 500 49 50 struct ibmvnic_login_buffer { 51 __be32 len; 52 __be32 version; 53 #define INITIAL_VERSION_LB 1 54 __be32 num_txcomp_subcrqs; 55 __be32 off_txcomp_subcrqs; 56 __be32 num_rxcomp_subcrqs; 57 __be32 off_rxcomp_subcrqs; 58 __be32 login_rsp_ioba; 59 __be32 login_rsp_len; 60 __be32 client_data_offset; 61 __be32 client_data_len; 62 } __packed __aligned(8); 63 64 struct ibmvnic_login_rsp_buffer { 65 __be32 len; 66 __be32 version; 67 #define INITIAL_VERSION_LRB 1 68 __be32 num_txsubm_subcrqs; 69 __be32 off_txsubm_subcrqs; 70 __be32 num_rxadd_subcrqs; 71 __be32 off_rxadd_subcrqs; 72 __be32 off_rxadd_buff_size; 73 __be32 num_supp_tx_desc; 74 __be32 off_supp_tx_desc; 75 } __packed __aligned(8); 76 77 struct ibmvnic_query_ip_offload_buffer { 78 __be32 len; 79 __be32 version; 80 #define INITIAL_VERSION_IOB 1 81 u8 ipv4_chksum; 82 u8 ipv6_chksum; 83 u8 tcp_ipv4_chksum; 84 u8 tcp_ipv6_chksum; 85 u8 udp_ipv4_chksum; 86 u8 udp_ipv6_chksum; 87 u8 large_tx_ipv4; 88 u8 large_tx_ipv6; 89 u8 large_rx_ipv4; 90 u8 large_rx_ipv6; 91 u8 reserved1[14]; 92 __be16 max_ipv4_header_size; 93 __be16 max_ipv6_header_size; 94 __be16 max_tcp_header_size; 95 __be16 max_udp_header_size; 96 __be32 max_large_tx_size; 97 __be32 max_large_rx_size; 98 u8 reserved2[16]; 99 u8 ipv6_extension_header; 100 #define IPV6_EH_NOT_SUPPORTED 0x00 101 #define IPV6_EH_SUPPORTED_LIM 0x01 102 #define IPV6_EH_SUPPORTED 0xFF 103 u8 tcp_pseudosum_req; 104 #define TCP_PS_NOT_REQUIRED 0x00 105 #define TCP_PS_REQUIRED 0x01 106 u8 reserved3[30]; 107 __be16 num_ipv6_ext_headers; 108 __be32 off_ipv6_ext_headers; 109 u8 reserved4[154]; 110 } __packed __aligned(8); 111 112 struct ibmvnic_control_ip_offload_buffer { 113 __be32 len; 114 __be32 version; 115 #define INITIAL_VERSION_IOB 1 116 u8 ipv4_chksum; 117 u8 ipv6_chksum; 118 u8 tcp_ipv4_chksum; 119 u8 tcp_ipv6_chksum; 120 u8 udp_ipv4_chksum; 121 u8 udp_ipv6_chksum; 122 u8 large_tx_ipv4; 123 u8 large_tx_ipv6; 124 u8 bad_packet_rx; 125 u8 large_rx_ipv4; 126 u8 large_rx_ipv6; 127 u8 reserved4[111]; 128 } __packed __aligned(8); 129 130 struct ibmvnic_fw_component { 131 u8 name[48]; 132 __be32 trace_buff_size; 133 u8 correlator; 134 u8 trace_level; 135 u8 parent_correlator; 136 u8 error_check_level; 137 u8 trace_on; 138 u8 reserved[7]; 139 u8 description[192]; 140 } __packed __aligned(8); 141 142 struct ibmvnic_fw_trace_entry { 143 __be32 trace_id; 144 u8 num_valid_data; 145 u8 reserved[3]; 146 __be64 pmc_registers; 147 __be64 timebase; 148 __be64 trace_data[5]; 149 } __packed __aligned(8); 150 151 struct ibmvnic_statistics { 152 __be32 version; 153 __be32 promiscuous; 154 __be64 rx_packets; 155 __be64 rx_bytes; 156 __be64 tx_packets; 157 __be64 tx_bytes; 158 __be64 ucast_tx_packets; 159 __be64 ucast_rx_packets; 160 __be64 mcast_tx_packets; 161 __be64 mcast_rx_packets; 162 __be64 bcast_tx_packets; 163 __be64 bcast_rx_packets; 164 __be64 align_errors; 165 __be64 fcs_errors; 166 __be64 single_collision_frames; 167 __be64 multi_collision_frames; 168 __be64 sqe_test_errors; 169 __be64 deferred_tx; 170 __be64 late_collisions; 171 __be64 excess_collisions; 172 __be64 internal_mac_tx_errors; 173 __be64 carrier_sense; 174 __be64 too_long_frames; 175 __be64 internal_mac_rx_errors; 176 u8 reserved[72]; 177 } __packed __aligned(8); 178 179 #define NUM_TX_STATS 3 180 struct ibmvnic_tx_queue_stats { 181 u64 packets; 182 u64 bytes; 183 u64 dropped_packets; 184 }; 185 186 #define NUM_RX_STATS 3 187 struct ibmvnic_rx_queue_stats { 188 u64 packets; 189 u64 bytes; 190 u64 interrupts; 191 }; 192 193 struct ibmvnic_acl_buffer { 194 __be32 len; 195 __be32 version; 196 #define INITIAL_VERSION_IOB 1 197 u8 mac_acls_restrict; 198 u8 vlan_acls_restrict; 199 u8 reserved1[22]; 200 __be32 num_mac_addrs; 201 __be32 offset_mac_addrs; 202 __be32 num_vlan_ids; 203 __be32 offset_vlan_ids; 204 u8 reserved2[80]; 205 } __packed __aligned(8); 206 207 /* descriptors have been changed, how should this be defined? 1? 4? */ 208 209 #define IBMVNIC_TX_DESC_VERSIONS 3 210 211 /* is this still needed? */ 212 struct ibmvnic_tx_comp_desc { 213 u8 first; 214 u8 num_comps; 215 __be16 rcs[5]; 216 __be32 correlators[5]; 217 } __packed __aligned(8); 218 219 /* some flags that included in v0 descriptor, which is gone 220 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 221 * and only in some offload_flags variable that doesn't seem 222 * to be used anywhere, can probably be removed? 223 */ 224 225 #define IBMVNIC_TCP_CHKSUM 0x20 226 #define IBMVNIC_UDP_CHKSUM 0x08 227 228 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 229 230 struct ibmvnic_tx_desc { 231 u8 first; 232 u8 type; 233 234 #define IBMVNIC_TX_DESC 0x10 235 u8 n_crq_elem; 236 u8 n_sge; 237 u8 flags1; 238 #define IBMVNIC_TX_COMP_NEEDED 0x80 239 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 240 #define IBMVNIC_TX_LSO 0x20 241 #define IBMVNIC_TX_PROT_TCP 0x10 242 #define IBMVNIC_TX_PROT_UDP 0x08 243 #define IBMVNIC_TX_PROT_IPV4 0x04 244 #define IBMVNIC_TX_PROT_IPV6 0x02 245 #define IBMVNIC_TX_VLAN_PRESENT 0x01 246 u8 flags2; 247 #define IBMVNIC_TX_VLAN_INSERT 0x80 248 __be16 mss; 249 u8 reserved[4]; 250 __be32 correlator; 251 __be16 vlan_id; 252 __be16 dma_reg; 253 __be32 sge_len; 254 __be64 ioba; 255 } __packed __aligned(8); 256 257 struct ibmvnic_hdr_desc { 258 u8 first; 259 u8 type; 260 #define IBMVNIC_HDR_DESC 0x11 261 u8 len; 262 u8 l2_len; 263 __be16 l3_len; 264 u8 l4_len; 265 u8 flag; 266 u8 data[24]; 267 } __packed __aligned(8); 268 269 struct ibmvnic_hdr_ext_desc { 270 u8 first; 271 u8 type; 272 #define IBMVNIC_HDR_EXT_DESC 0x12 273 u8 len; 274 u8 data[29]; 275 } __packed __aligned(8); 276 277 struct ibmvnic_sge_desc { 278 u8 first; 279 u8 type; 280 #define IBMVNIC_SGE_DESC 0x30 281 __be16 sge1_dma_reg; 282 __be32 sge1_len; 283 __be64 sge1_ioba; 284 __be16 reserved; 285 __be16 sge2_dma_reg; 286 __be32 sge2_len; 287 __be64 sge2_ioba; 288 } __packed __aligned(8); 289 290 struct ibmvnic_rx_comp_desc { 291 u8 first; 292 u8 flags; 293 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 294 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 295 #define IBMVNIC_END_FRAME 0x20 296 #define IBMVNIC_EXACT_MC 0x10 297 #define IBMVNIC_VLAN_STRIPPED 0x08 298 __be16 off_frame_data; 299 __be32 len; 300 __be64 correlator; 301 __be16 vlan_tci; 302 __be16 rc; 303 u8 reserved[12]; 304 } __packed __aligned(8); 305 306 struct ibmvnic_generic_scrq { 307 u8 first; 308 u8 reserved[31]; 309 } __packed __aligned(8); 310 311 struct ibmvnic_rx_buff_add_desc { 312 u8 first; 313 u8 reserved[7]; 314 __be64 correlator; 315 __be32 ioba; 316 u8 map_id; 317 __be32 len:24; 318 u8 reserved2[8]; 319 } __packed __aligned(8); 320 321 struct ibmvnic_rc { 322 u8 code; /* one of enum ibmvnic_rc_codes */ 323 u8 detailed_data[3]; 324 } __packed __aligned(4); 325 326 struct ibmvnic_generic_crq { 327 u8 first; 328 u8 cmd; 329 u8 params[10]; 330 struct ibmvnic_rc rc; 331 } __packed __aligned(8); 332 333 struct ibmvnic_version_exchange { 334 u8 first; 335 u8 cmd; 336 __be16 version; 337 #define IBMVNIC_INITIAL_VERSION 1 338 u8 reserved[8]; 339 struct ibmvnic_rc rc; 340 } __packed __aligned(8); 341 342 struct ibmvnic_capability { 343 u8 first; 344 u8 cmd; 345 __be16 capability; /* one of ibmvnic_capabilities */ 346 __be64 number; 347 struct ibmvnic_rc rc; 348 } __packed __aligned(8); 349 350 struct ibmvnic_login { 351 u8 first; 352 u8 cmd; 353 u8 reserved[6]; 354 __be32 ioba; 355 __be32 len; 356 } __packed __aligned(8); 357 358 struct ibmvnic_phys_parms { 359 u8 first; 360 u8 cmd; 361 u8 flags1; 362 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 363 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 364 #define IBMVNIC_PROMISC 0x20 365 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 366 #define IBMVNIC_AUTONEG_DUPLEX 0x08 367 #define IBMVNIC_FULL_DUPLEX 0x04 368 #define IBMVNIC_HALF_DUPLEX 0x02 369 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 370 u8 flags2; 371 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 372 __be32 speed; 373 #define IBMVNIC_AUTONEG 0x80 374 #define IBMVNIC_10MBPS 0x40 375 #define IBMVNIC_100MBPS 0x20 376 #define IBMVNIC_1GBPS 0x10 377 #define IBMVNIC_10GBPS 0x08 378 __be32 mtu; 379 struct ibmvnic_rc rc; 380 } __packed __aligned(8); 381 382 struct ibmvnic_logical_link_state { 383 u8 first; 384 u8 cmd; 385 u8 link_state; 386 #define IBMVNIC_LOGICAL_LNK_DN 0x00 387 #define IBMVNIC_LOGICAL_LNK_UP 0x01 388 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff 389 u8 reserved[9]; 390 struct ibmvnic_rc rc; 391 } __packed __aligned(8); 392 393 struct ibmvnic_query_ip_offload { 394 u8 first; 395 u8 cmd; 396 u8 reserved[2]; 397 __be32 len; 398 __be32 ioba; 399 struct ibmvnic_rc rc; 400 } __packed __aligned(8); 401 402 struct ibmvnic_control_ip_offload { 403 u8 first; 404 u8 cmd; 405 u8 reserved[2]; 406 __be32 ioba; 407 __be32 len; 408 struct ibmvnic_rc rc; 409 } __packed __aligned(8); 410 411 struct ibmvnic_request_dump_size { 412 u8 first; 413 u8 cmd; 414 u8 reserved[6]; 415 __be32 len; 416 struct ibmvnic_rc rc; 417 } __packed __aligned(8); 418 419 struct ibmvnic_request_dump { 420 u8 first; 421 u8 cmd; 422 u8 reserved1[2]; 423 __be32 ioba; 424 __be32 len; 425 u8 reserved2[4]; 426 } __packed __aligned(8); 427 428 struct ibmvnic_request_dump_rsp { 429 u8 first; 430 u8 cmd; 431 u8 reserved[6]; 432 __be32 dumped_len; 433 struct ibmvnic_rc rc; 434 } __packed __aligned(8); 435 436 struct ibmvnic_request_ras_comp_num { 437 u8 first; 438 u8 cmd; 439 u8 reserved1[2]; 440 __be32 num_components; 441 u8 reserved2[4]; 442 struct ibmvnic_rc rc; 443 } __packed __aligned(8); 444 445 struct ibmvnic_request_ras_comps { 446 u8 first; 447 u8 cmd; 448 u8 reserved[2]; 449 __be32 ioba; 450 __be32 len; 451 struct ibmvnic_rc rc; 452 } __packed __aligned(8); 453 454 struct ibmvnic_control_ras { 455 u8 first; 456 u8 cmd; 457 u8 correlator; 458 u8 level; 459 u8 op; 460 #define IBMVNIC_TRACE_LEVEL 1 461 #define IBMVNIC_ERROR_LEVEL 2 462 #define IBMVNIC_TRACE_PAUSE 3 463 #define IBMVNIC_TRACE_RESUME 4 464 #define IBMVNIC_TRACE_ON 5 465 #define IBMVNIC_TRACE_OFF 6 466 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 467 u8 trace_buff_sz[3]; 468 u8 reserved[4]; 469 struct ibmvnic_rc rc; 470 } __packed __aligned(8); 471 472 struct ibmvnic_collect_fw_trace { 473 u8 first; 474 u8 cmd; 475 u8 correlator; 476 u8 reserved; 477 __be32 ioba; 478 __be32 len; 479 struct ibmvnic_rc rc; 480 } __packed __aligned(8); 481 482 struct ibmvnic_request_statistics { 483 u8 first; 484 u8 cmd; 485 u8 flags; 486 #define IBMVNIC_PHYSICAL_PORT 0x80 487 u8 reserved1; 488 __be32 ioba; 489 __be32 len; 490 u8 reserved[4]; 491 } __packed __aligned(8); 492 493 struct ibmvnic_request_debug_stats { 494 u8 first; 495 u8 cmd; 496 u8 reserved[2]; 497 __be32 ioba; 498 __be32 len; 499 struct ibmvnic_rc rc; 500 } __packed __aligned(8); 501 502 struct ibmvnic_error_indication { 503 u8 first; 504 u8 cmd; 505 u8 flags; 506 #define IBMVNIC_FATAL_ERROR 0x80 507 u8 reserved1; 508 __be32 error_id; 509 __be32 detail_error_sz; 510 __be16 error_cause; 511 u8 reserved2[2]; 512 } __packed __aligned(8); 513 514 struct ibmvnic_request_error_info { 515 u8 first; 516 u8 cmd; 517 u8 reserved[2]; 518 __be32 ioba; 519 __be32 len; 520 __be32 error_id; 521 } __packed __aligned(8); 522 523 struct ibmvnic_request_error_rsp { 524 u8 first; 525 u8 cmd; 526 u8 reserved[2]; 527 __be32 error_id; 528 __be32 len; 529 struct ibmvnic_rc rc; 530 } __packed __aligned(8); 531 532 struct ibmvnic_link_state_indication { 533 u8 first; 534 u8 cmd; 535 u8 reserved1[2]; 536 u8 phys_link_state; 537 u8 logical_link_state; 538 u8 reserved2[10]; 539 } __packed __aligned(8); 540 541 struct ibmvnic_change_mac_addr { 542 u8 first; 543 u8 cmd; 544 u8 mac_addr[6]; 545 u8 reserved[4]; 546 struct ibmvnic_rc rc; 547 } __packed __aligned(8); 548 549 struct ibmvnic_multicast_ctrl { 550 u8 first; 551 u8 cmd; 552 u8 mac_addr[6]; 553 u8 flags; 554 #define IBMVNIC_ENABLE_MC 0x80 555 #define IBMVNIC_DISABLE_MC 0x40 556 #define IBMVNIC_ENABLE_ALL 0x20 557 #define IBMVNIC_DISABLE_ALL 0x10 558 u8 reserved1; 559 __be16 reserved2; /* was num_enabled_mc_addr; */ 560 struct ibmvnic_rc rc; 561 } __packed __aligned(8); 562 563 struct ibmvnic_get_vpd_size { 564 u8 first; 565 u8 cmd; 566 u8 reserved[14]; 567 } __packed __aligned(8); 568 569 struct ibmvnic_get_vpd_size_rsp { 570 u8 first; 571 u8 cmd; 572 u8 reserved[2]; 573 __be64 len; 574 struct ibmvnic_rc rc; 575 } __packed __aligned(8); 576 577 struct ibmvnic_get_vpd { 578 u8 first; 579 u8 cmd; 580 u8 reserved1[2]; 581 __be32 ioba; 582 __be32 len; 583 u8 reserved[4]; 584 } __packed __aligned(8); 585 586 struct ibmvnic_get_vpd_rsp { 587 u8 first; 588 u8 cmd; 589 u8 reserved[10]; 590 struct ibmvnic_rc rc; 591 } __packed __aligned(8); 592 593 struct ibmvnic_acl_change_indication { 594 u8 first; 595 u8 cmd; 596 __be16 change_type; 597 #define IBMVNIC_MAC_ACL 0 598 #define IBMVNIC_VLAN_ACL 1 599 u8 reserved[12]; 600 } __packed __aligned(8); 601 602 struct ibmvnic_acl_query { 603 u8 first; 604 u8 cmd; 605 u8 reserved1[2]; 606 __be32 ioba; 607 __be32 len; 608 u8 reserved2[4]; 609 } __packed __aligned(8); 610 611 struct ibmvnic_tune { 612 u8 first; 613 u8 cmd; 614 u8 reserved1[2]; 615 __be32 ioba; 616 __be32 len; 617 u8 reserved2[4]; 618 } __packed __aligned(8); 619 620 struct ibmvnic_request_map { 621 u8 first; 622 u8 cmd; 623 u8 reserved1; 624 u8 map_id; 625 __be32 ioba; 626 __be32 len; 627 u8 reserved2[4]; 628 } __packed __aligned(8); 629 630 struct ibmvnic_request_map_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_request_unmap { 640 u8 first; 641 u8 cmd; 642 u8 reserved1; 643 u8 map_id; 644 u8 reserved2[12]; 645 } __packed __aligned(8); 646 647 struct ibmvnic_request_unmap_rsp { 648 u8 first; 649 u8 cmd; 650 u8 reserved1; 651 u8 map_id; 652 u8 reserved2[8]; 653 struct ibmvnic_rc rc; 654 } __packed __aligned(8); 655 656 struct ibmvnic_query_map { 657 u8 first; 658 u8 cmd; 659 u8 reserved[14]; 660 } __packed __aligned(8); 661 662 struct ibmvnic_query_map_rsp { 663 u8 first; 664 u8 cmd; 665 u8 reserved; 666 u8 page_size; 667 __be32 tot_pages; 668 __be32 free_pages; 669 struct ibmvnic_rc rc; 670 } __packed __aligned(8); 671 672 union ibmvnic_crq { 673 struct ibmvnic_generic_crq generic; 674 struct ibmvnic_version_exchange version_exchange; 675 struct ibmvnic_version_exchange version_exchange_rsp; 676 struct ibmvnic_capability query_capability; 677 struct ibmvnic_capability query_capability_rsp; 678 struct ibmvnic_capability request_capability; 679 struct ibmvnic_capability request_capability_rsp; 680 struct ibmvnic_login login; 681 struct ibmvnic_generic_crq login_rsp; 682 struct ibmvnic_phys_parms query_phys_parms; 683 struct ibmvnic_phys_parms query_phys_parms_rsp; 684 struct ibmvnic_phys_parms query_phys_capabilities; 685 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 686 struct ibmvnic_phys_parms set_phys_parms; 687 struct ibmvnic_phys_parms set_phys_parms_rsp; 688 struct ibmvnic_logical_link_state logical_link_state; 689 struct ibmvnic_logical_link_state logical_link_state_rsp; 690 struct ibmvnic_query_ip_offload query_ip_offload; 691 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 692 struct ibmvnic_control_ip_offload control_ip_offload; 693 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 694 struct ibmvnic_request_dump_size request_dump_size; 695 struct ibmvnic_request_dump_size request_dump_size_rsp; 696 struct ibmvnic_request_dump request_dump; 697 struct ibmvnic_request_dump_rsp request_dump_rsp; 698 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 699 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 700 struct ibmvnic_request_ras_comps request_ras_comps; 701 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 702 struct ibmvnic_control_ras control_ras; 703 struct ibmvnic_control_ras control_ras_rsp; 704 struct ibmvnic_collect_fw_trace collect_fw_trace; 705 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 706 struct ibmvnic_request_statistics request_statistics; 707 struct ibmvnic_generic_crq request_statistics_rsp; 708 struct ibmvnic_request_debug_stats request_debug_stats; 709 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 710 struct ibmvnic_error_indication error_indication; 711 struct ibmvnic_request_error_info request_error_info; 712 struct ibmvnic_request_error_rsp request_error_rsp; 713 struct ibmvnic_link_state_indication link_state_indication; 714 struct ibmvnic_change_mac_addr change_mac_addr; 715 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 716 struct ibmvnic_multicast_ctrl multicast_ctrl; 717 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 718 struct ibmvnic_get_vpd_size get_vpd_size; 719 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 720 struct ibmvnic_get_vpd get_vpd; 721 struct ibmvnic_get_vpd_rsp get_vpd_rsp; 722 struct ibmvnic_acl_change_indication acl_change_indication; 723 struct ibmvnic_acl_query acl_query; 724 struct ibmvnic_generic_crq acl_query_rsp; 725 struct ibmvnic_tune tune; 726 struct ibmvnic_generic_crq tune_rsp; 727 struct ibmvnic_request_map request_map; 728 struct ibmvnic_request_map_rsp request_map_rsp; 729 struct ibmvnic_request_unmap request_unmap; 730 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 731 struct ibmvnic_query_map query_map; 732 struct ibmvnic_query_map_rsp query_map_rsp; 733 }; 734 735 enum ibmvnic_rc_codes { 736 SUCCESS = 0, 737 PARTIALSUCCESS = 1, 738 PERMISSION = 2, 739 NOMEMORY = 3, 740 PARAMETER = 4, 741 UNKNOWNCOMMAND = 5, 742 ABORTED = 6, 743 INVALIDSTATE = 7, 744 INVALIDIOBA = 8, 745 INVALIDLENGTH = 9, 746 UNSUPPORTEDOPTION = 10, 747 }; 748 749 enum ibmvnic_capabilities { 750 MIN_TX_QUEUES = 1, 751 MIN_RX_QUEUES = 2, 752 MIN_RX_ADD_QUEUES = 3, 753 MAX_TX_QUEUES = 4, 754 MAX_RX_QUEUES = 5, 755 MAX_RX_ADD_QUEUES = 6, 756 REQ_TX_QUEUES = 7, 757 REQ_RX_QUEUES = 8, 758 REQ_RX_ADD_QUEUES = 9, 759 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 760 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 761 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 762 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 763 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 764 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 765 TCP_IP_OFFLOAD = 16, 766 PROMISC_REQUESTED = 17, 767 PROMISC_SUPPORTED = 18, 768 MIN_MTU = 19, 769 MAX_MTU = 20, 770 REQ_MTU = 21, 771 MAX_MULTICAST_FILTERS = 22, 772 VLAN_HEADER_INSERTION = 23, 773 RX_VLAN_HEADER_INSERTION = 24, 774 MAX_TX_SG_ENTRIES = 25, 775 RX_SG_SUPPORTED = 26, 776 RX_SG_REQUESTED = 27, 777 OPT_TX_COMP_SUB_QUEUES = 28, 778 OPT_RX_COMP_QUEUES = 29, 779 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 780 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 781 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 782 TX_RX_DESC_REQ = 33, 783 }; 784 785 enum ibmvnic_error_cause { 786 ADAPTER_PROBLEM = 0, 787 BUS_PROBLEM = 1, 788 FW_PROBLEM = 2, 789 DD_PROBLEM = 3, 790 EEH_RECOVERY = 4, 791 FW_UPDATED = 5, 792 LOW_MEMORY = 6, 793 }; 794 795 enum ibmvnic_commands { 796 VERSION_EXCHANGE = 0x01, 797 VERSION_EXCHANGE_RSP = 0x81, 798 QUERY_CAPABILITY = 0x02, 799 QUERY_CAPABILITY_RSP = 0x82, 800 REQUEST_CAPABILITY = 0x03, 801 REQUEST_CAPABILITY_RSP = 0x83, 802 LOGIN = 0x04, 803 LOGIN_RSP = 0x84, 804 QUERY_PHYS_PARMS = 0x05, 805 QUERY_PHYS_PARMS_RSP = 0x85, 806 QUERY_PHYS_CAPABILITIES = 0x06, 807 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 808 SET_PHYS_PARMS = 0x07, 809 SET_PHYS_PARMS_RSP = 0x87, 810 ERROR_INDICATION = 0x08, 811 REQUEST_ERROR_INFO = 0x09, 812 REQUEST_ERROR_RSP = 0x89, 813 LOGICAL_LINK_STATE = 0x0C, 814 LOGICAL_LINK_STATE_RSP = 0x8C, 815 REQUEST_STATISTICS = 0x0D, 816 REQUEST_STATISTICS_RSP = 0x8D, 817 COLLECT_FW_TRACE = 0x11, 818 COLLECT_FW_TRACE_RSP = 0x91, 819 LINK_STATE_INDICATION = 0x12, 820 CHANGE_MAC_ADDR = 0x13, 821 CHANGE_MAC_ADDR_RSP = 0x93, 822 MULTICAST_CTRL = 0x14, 823 MULTICAST_CTRL_RSP = 0x94, 824 GET_VPD_SIZE = 0x15, 825 GET_VPD_SIZE_RSP = 0x95, 826 GET_VPD = 0x16, 827 GET_VPD_RSP = 0x96, 828 TUNE = 0x17, 829 TUNE_RSP = 0x97, 830 QUERY_IP_OFFLOAD = 0x18, 831 QUERY_IP_OFFLOAD_RSP = 0x98, 832 CONTROL_IP_OFFLOAD = 0x19, 833 CONTROL_IP_OFFLOAD_RSP = 0x99, 834 ACL_CHANGE_INDICATION = 0x1A, 835 ACL_QUERY = 0x1B, 836 ACL_QUERY_RSP = 0x9B, 837 QUERY_MAP = 0x1D, 838 QUERY_MAP_RSP = 0x9D, 839 REQUEST_MAP = 0x1E, 840 REQUEST_MAP_RSP = 0x9E, 841 REQUEST_UNMAP = 0x1F, 842 REQUEST_UNMAP_RSP = 0x9F, 843 VLAN_CTRL = 0x20, 844 VLAN_CTRL_RSP = 0xA0, 845 }; 846 847 enum ibmvnic_crq_type { 848 IBMVNIC_CRQ_CMD = 0x80, 849 IBMVNIC_CRQ_CMD_RSP = 0x80, 850 IBMVNIC_CRQ_INIT_CMD = 0xC0, 851 IBMVNIC_CRQ_INIT_RSP = 0xC0, 852 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 853 }; 854 855 enum ibmvfc_crq_format { 856 IBMVNIC_CRQ_INIT = 0x01, 857 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 858 IBMVNIC_PARTITION_MIGRATED = 0x06, 859 IBMVNIC_DEVICE_FAILOVER = 0x08, 860 }; 861 862 struct ibmvnic_crq_queue { 863 union ibmvnic_crq *msgs; 864 int size, cur; 865 dma_addr_t msg_token; 866 spinlock_t lock; 867 }; 868 869 union sub_crq { 870 struct ibmvnic_generic_scrq generic; 871 struct ibmvnic_tx_comp_desc tx_comp; 872 struct ibmvnic_tx_desc v1; 873 struct ibmvnic_hdr_desc hdr; 874 struct ibmvnic_hdr_ext_desc hdr_ext; 875 struct ibmvnic_sge_desc sge; 876 struct ibmvnic_rx_comp_desc rx_comp; 877 struct ibmvnic_rx_buff_add_desc rx_add; 878 }; 879 880 struct ibmvnic_sub_crq_queue { 881 union sub_crq *msgs; 882 int size, cur; 883 dma_addr_t msg_token; 884 unsigned long crq_num; 885 unsigned long hw_irq; 886 unsigned int irq; 887 unsigned int pool_index; 888 int scrq_num; 889 spinlock_t lock; 890 struct sk_buff *rx_skb_top; 891 struct ibmvnic_adapter *adapter; 892 atomic_t used; 893 }; 894 895 struct ibmvnic_long_term_buff { 896 unsigned char *buff; 897 dma_addr_t addr; 898 u64 size; 899 u8 map_id; 900 }; 901 902 struct ibmvnic_tx_buff { 903 struct sk_buff *skb; 904 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 905 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 906 int index; 907 int pool_index; 908 bool last_frag; 909 union sub_crq indir_arr[6]; 910 u8 hdr_data[140]; 911 dma_addr_t indir_dma; 912 }; 913 914 struct ibmvnic_tx_pool { 915 struct ibmvnic_tx_buff *tx_buff; 916 int *free_map; 917 int consumer_index; 918 int producer_index; 919 wait_queue_head_t ibmvnic_tx_comp_q; 920 struct task_struct *work_thread; 921 struct ibmvnic_long_term_buff long_term_buff; 922 struct ibmvnic_long_term_buff tso_ltb; 923 int tso_index; 924 }; 925 926 struct ibmvnic_rx_buff { 927 struct sk_buff *skb; 928 dma_addr_t dma; 929 unsigned char *data; 930 int size; 931 int pool_index; 932 }; 933 934 struct ibmvnic_rx_pool { 935 struct ibmvnic_rx_buff *rx_buff; 936 int size; 937 int index; 938 int buff_size; 939 atomic_t available; 940 int *free_map; 941 int next_free; 942 int next_alloc; 943 int active; 944 struct ibmvnic_long_term_buff long_term_buff; 945 }; 946 947 struct ibmvnic_error_buff { 948 char *buff; 949 dma_addr_t dma; 950 int len; 951 struct list_head list; 952 __be32 error_id; 953 }; 954 955 struct ibmvnic_vpd { 956 unsigned char *buff; 957 dma_addr_t dma_addr; 958 u64 len; 959 }; 960 961 enum vnic_state {VNIC_PROBING = 1, 962 VNIC_PROBED, 963 VNIC_OPENING, 964 VNIC_OPEN, 965 VNIC_CLOSING, 966 VNIC_CLOSED, 967 VNIC_REMOVING, 968 VNIC_REMOVED}; 969 970 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 971 VNIC_RESET_MOBILITY, 972 VNIC_RESET_FATAL, 973 VNIC_RESET_NON_FATAL, 974 VNIC_RESET_TIMEOUT, 975 VNIC_RESET_CHANGE_PARAM}; 976 977 struct ibmvnic_rwi { 978 enum ibmvnic_reset_reason reset_reason; 979 struct list_head list; 980 }; 981 982 struct ibmvnic_tunables { 983 u64 rx_queues; 984 u64 tx_queues; 985 u64 rx_entries; 986 u64 tx_entries; 987 u64 mtu; 988 struct sockaddr mac; 989 }; 990 991 struct ibmvnic_adapter { 992 struct vio_dev *vdev; 993 struct net_device *netdev; 994 struct ibmvnic_crq_queue crq; 995 u8 mac_addr[ETH_ALEN]; 996 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 997 dma_addr_t ip_offload_tok; 998 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 999 dma_addr_t ip_offload_ctrl_tok; 1000 u32 msg_enable; 1001 1002 /* Vital Product Data (VPD) */ 1003 struct ibmvnic_vpd *vpd; 1004 char fw_version[32]; 1005 1006 /* Statistics */ 1007 struct ibmvnic_statistics stats; 1008 dma_addr_t stats_token; 1009 struct completion stats_done; 1010 spinlock_t stats_lock; 1011 int replenish_no_mem; 1012 int replenish_add_buff_success; 1013 int replenish_add_buff_failure; 1014 int replenish_task_cycles; 1015 int tx_send_failed; 1016 int tx_map_failed; 1017 1018 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 1019 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 1020 1021 int phys_link_state; 1022 int logical_link_state; 1023 1024 /* login data */ 1025 struct ibmvnic_login_buffer *login_buf; 1026 dma_addr_t login_buf_token; 1027 int login_buf_sz; 1028 1029 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 1030 dma_addr_t login_rsp_buf_token; 1031 int login_rsp_buf_sz; 1032 1033 atomic_t running_cap_crqs; 1034 bool wait_capability; 1035 1036 struct ibmvnic_sub_crq_queue **tx_scrq; 1037 struct ibmvnic_sub_crq_queue **rx_scrq; 1038 bool renegotiate; 1039 1040 /* rx structs */ 1041 struct napi_struct *napi; 1042 struct ibmvnic_rx_pool *rx_pool; 1043 u64 promisc; 1044 1045 struct ibmvnic_tx_pool *tx_pool; 1046 struct completion init_done; 1047 int init_done_rc; 1048 1049 struct list_head errors; 1050 spinlock_t error_list_lock; 1051 1052 struct completion fw_done; 1053 int fw_done_rc; 1054 1055 struct completion reset_done; 1056 int reset_done_rc; 1057 bool wait_for_reset; 1058 1059 /* partner capabilities */ 1060 u64 min_tx_queues; 1061 u64 min_rx_queues; 1062 u64 min_rx_add_queues; 1063 u64 max_tx_queues; 1064 u64 max_rx_queues; 1065 u64 max_rx_add_queues; 1066 u64 req_tx_queues; 1067 u64 req_rx_queues; 1068 u64 req_rx_add_queues; 1069 u64 min_tx_entries_per_subcrq; 1070 u64 min_rx_add_entries_per_subcrq; 1071 u64 max_tx_entries_per_subcrq; 1072 u64 max_rx_add_entries_per_subcrq; 1073 u64 req_tx_entries_per_subcrq; 1074 u64 req_rx_add_entries_per_subcrq; 1075 u64 tcp_ip_offload; 1076 u64 promisc_requested; 1077 u64 promisc_supported; 1078 u64 min_mtu; 1079 u64 max_mtu; 1080 u64 req_mtu; 1081 u64 max_multicast_filters; 1082 u64 vlan_header_insertion; 1083 u64 rx_vlan_header_insertion; 1084 u64 max_tx_sg_entries; 1085 u64 rx_sg_supported; 1086 u64 rx_sg_requested; 1087 u64 opt_tx_comp_sub_queues; 1088 u64 opt_rx_comp_queues; 1089 u64 opt_rx_bufadd_q_per_rx_comp_q; 1090 u64 opt_tx_entries_per_subcrq; 1091 u64 opt_rxba_entries_per_subcrq; 1092 __be64 tx_rx_desc_req; 1093 u8 map_id; 1094 1095 struct tasklet_struct tasklet; 1096 enum vnic_state state; 1097 enum ibmvnic_reset_reason reset_reason; 1098 struct mutex reset_lock, rwi_lock; 1099 struct list_head rwi_list; 1100 struct work_struct ibmvnic_reset; 1101 bool resetting; 1102 bool napi_enabled, from_passive_init; 1103 1104 bool mac_change_pending; 1105 1106 struct ibmvnic_tunables desired; 1107 struct ibmvnic_tunables fallback; 1108 }; 1109