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_request_error_info { 516 u8 first; 517 u8 cmd; 518 u8 reserved[2]; 519 __be32 ioba; 520 __be32 len; 521 __be32 error_id; 522 } __packed __aligned(8); 523 524 struct ibmvnic_request_error_rsp { 525 u8 first; 526 u8 cmd; 527 u8 reserved[2]; 528 __be32 error_id; 529 __be32 len; 530 struct ibmvnic_rc rc; 531 } __packed __aligned(8); 532 533 struct ibmvnic_link_state_indication { 534 u8 first; 535 u8 cmd; 536 u8 reserved1[2]; 537 u8 phys_link_state; 538 u8 logical_link_state; 539 u8 reserved2[10]; 540 } __packed __aligned(8); 541 542 struct ibmvnic_change_mac_addr { 543 u8 first; 544 u8 cmd; 545 u8 mac_addr[6]; 546 u8 reserved[4]; 547 struct ibmvnic_rc rc; 548 } __packed __aligned(8); 549 550 struct ibmvnic_multicast_ctrl { 551 u8 first; 552 u8 cmd; 553 u8 mac_addr[6]; 554 u8 flags; 555 #define IBMVNIC_ENABLE_MC 0x80 556 #define IBMVNIC_DISABLE_MC 0x40 557 #define IBMVNIC_ENABLE_ALL 0x20 558 #define IBMVNIC_DISABLE_ALL 0x10 559 u8 reserved1; 560 __be16 reserved2; /* was num_enabled_mc_addr; */ 561 struct ibmvnic_rc rc; 562 } __packed __aligned(8); 563 564 struct ibmvnic_get_vpd_size { 565 u8 first; 566 u8 cmd; 567 u8 reserved[14]; 568 } __packed __aligned(8); 569 570 struct ibmvnic_get_vpd_size_rsp { 571 u8 first; 572 u8 cmd; 573 u8 reserved[2]; 574 __be64 len; 575 struct ibmvnic_rc rc; 576 } __packed __aligned(8); 577 578 struct ibmvnic_get_vpd { 579 u8 first; 580 u8 cmd; 581 u8 reserved1[2]; 582 __be32 ioba; 583 __be32 len; 584 u8 reserved[4]; 585 } __packed __aligned(8); 586 587 struct ibmvnic_get_vpd_rsp { 588 u8 first; 589 u8 cmd; 590 u8 reserved[10]; 591 struct ibmvnic_rc rc; 592 } __packed __aligned(8); 593 594 struct ibmvnic_acl_change_indication { 595 u8 first; 596 u8 cmd; 597 __be16 change_type; 598 #define IBMVNIC_MAC_ACL 0 599 #define IBMVNIC_VLAN_ACL 1 600 u8 reserved[12]; 601 } __packed __aligned(8); 602 603 struct ibmvnic_acl_query { 604 u8 first; 605 u8 cmd; 606 u8 reserved1[2]; 607 __be32 ioba; 608 __be32 len; 609 u8 reserved2[4]; 610 } __packed __aligned(8); 611 612 struct ibmvnic_tune { 613 u8 first; 614 u8 cmd; 615 u8 reserved1[2]; 616 __be32 ioba; 617 __be32 len; 618 u8 reserved2[4]; 619 } __packed __aligned(8); 620 621 struct ibmvnic_request_map { 622 u8 first; 623 u8 cmd; 624 u8 reserved1; 625 u8 map_id; 626 __be32 ioba; 627 __be32 len; 628 u8 reserved2[4]; 629 } __packed __aligned(8); 630 631 struct ibmvnic_request_map_rsp { 632 u8 first; 633 u8 cmd; 634 u8 reserved1; 635 u8 map_id; 636 u8 reserved2[8]; 637 struct ibmvnic_rc rc; 638 } __packed __aligned(8); 639 640 struct ibmvnic_request_unmap { 641 u8 first; 642 u8 cmd; 643 u8 reserved1; 644 u8 map_id; 645 u8 reserved2[12]; 646 } __packed __aligned(8); 647 648 struct ibmvnic_request_unmap_rsp { 649 u8 first; 650 u8 cmd; 651 u8 reserved1; 652 u8 map_id; 653 u8 reserved2[8]; 654 struct ibmvnic_rc rc; 655 } __packed __aligned(8); 656 657 struct ibmvnic_query_map { 658 u8 first; 659 u8 cmd; 660 u8 reserved[14]; 661 } __packed __aligned(8); 662 663 struct ibmvnic_query_map_rsp { 664 u8 first; 665 u8 cmd; 666 u8 reserved; 667 u8 page_size; 668 __be32 tot_pages; 669 __be32 free_pages; 670 struct ibmvnic_rc rc; 671 } __packed __aligned(8); 672 673 union ibmvnic_crq { 674 struct ibmvnic_generic_crq generic; 675 struct ibmvnic_version_exchange version_exchange; 676 struct ibmvnic_version_exchange version_exchange_rsp; 677 struct ibmvnic_capability query_capability; 678 struct ibmvnic_capability query_capability_rsp; 679 struct ibmvnic_capability request_capability; 680 struct ibmvnic_capability request_capability_rsp; 681 struct ibmvnic_login login; 682 struct ibmvnic_generic_crq login_rsp; 683 struct ibmvnic_phys_parms query_phys_parms; 684 struct ibmvnic_phys_parms query_phys_parms_rsp; 685 struct ibmvnic_phys_parms query_phys_capabilities; 686 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 687 struct ibmvnic_phys_parms set_phys_parms; 688 struct ibmvnic_phys_parms set_phys_parms_rsp; 689 struct ibmvnic_logical_link_state logical_link_state; 690 struct ibmvnic_logical_link_state logical_link_state_rsp; 691 struct ibmvnic_query_ip_offload query_ip_offload; 692 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 693 struct ibmvnic_control_ip_offload control_ip_offload; 694 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 695 struct ibmvnic_request_dump_size request_dump_size; 696 struct ibmvnic_request_dump_size request_dump_size_rsp; 697 struct ibmvnic_request_dump request_dump; 698 struct ibmvnic_request_dump_rsp request_dump_rsp; 699 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 700 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 701 struct ibmvnic_request_ras_comps request_ras_comps; 702 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 703 struct ibmvnic_control_ras control_ras; 704 struct ibmvnic_control_ras control_ras_rsp; 705 struct ibmvnic_collect_fw_trace collect_fw_trace; 706 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 707 struct ibmvnic_request_statistics request_statistics; 708 struct ibmvnic_generic_crq request_statistics_rsp; 709 struct ibmvnic_request_debug_stats request_debug_stats; 710 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 711 struct ibmvnic_error_indication error_indication; 712 struct ibmvnic_request_error_info request_error_info; 713 struct ibmvnic_request_error_rsp request_error_rsp; 714 struct ibmvnic_link_state_indication link_state_indication; 715 struct ibmvnic_change_mac_addr change_mac_addr; 716 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 717 struct ibmvnic_multicast_ctrl multicast_ctrl; 718 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 719 struct ibmvnic_get_vpd_size get_vpd_size; 720 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 721 struct ibmvnic_get_vpd get_vpd; 722 struct ibmvnic_get_vpd_rsp get_vpd_rsp; 723 struct ibmvnic_acl_change_indication acl_change_indication; 724 struct ibmvnic_acl_query acl_query; 725 struct ibmvnic_generic_crq acl_query_rsp; 726 struct ibmvnic_tune tune; 727 struct ibmvnic_generic_crq tune_rsp; 728 struct ibmvnic_request_map request_map; 729 struct ibmvnic_request_map_rsp request_map_rsp; 730 struct ibmvnic_request_unmap request_unmap; 731 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 732 struct ibmvnic_query_map query_map; 733 struct ibmvnic_query_map_rsp query_map_rsp; 734 }; 735 736 enum ibmvnic_rc_codes { 737 SUCCESS = 0, 738 PARTIALSUCCESS = 1, 739 PERMISSION = 2, 740 NOMEMORY = 3, 741 PARAMETER = 4, 742 UNKNOWNCOMMAND = 5, 743 ABORTED = 6, 744 INVALIDSTATE = 7, 745 INVALIDIOBA = 8, 746 INVALIDLENGTH = 9, 747 UNSUPPORTEDOPTION = 10, 748 }; 749 750 enum ibmvnic_capabilities { 751 MIN_TX_QUEUES = 1, 752 MIN_RX_QUEUES = 2, 753 MIN_RX_ADD_QUEUES = 3, 754 MAX_TX_QUEUES = 4, 755 MAX_RX_QUEUES = 5, 756 MAX_RX_ADD_QUEUES = 6, 757 REQ_TX_QUEUES = 7, 758 REQ_RX_QUEUES = 8, 759 REQ_RX_ADD_QUEUES = 9, 760 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 761 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 762 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 763 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 764 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 765 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 766 TCP_IP_OFFLOAD = 16, 767 PROMISC_REQUESTED = 17, 768 PROMISC_SUPPORTED = 18, 769 MIN_MTU = 19, 770 MAX_MTU = 20, 771 REQ_MTU = 21, 772 MAX_MULTICAST_FILTERS = 22, 773 VLAN_HEADER_INSERTION = 23, 774 RX_VLAN_HEADER_INSERTION = 24, 775 MAX_TX_SG_ENTRIES = 25, 776 RX_SG_SUPPORTED = 26, 777 RX_SG_REQUESTED = 27, 778 OPT_TX_COMP_SUB_QUEUES = 28, 779 OPT_RX_COMP_QUEUES = 29, 780 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 781 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 782 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 783 TX_RX_DESC_REQ = 33, 784 }; 785 786 enum ibmvnic_error_cause { 787 ADAPTER_PROBLEM = 0, 788 BUS_PROBLEM = 1, 789 FW_PROBLEM = 2, 790 DD_PROBLEM = 3, 791 EEH_RECOVERY = 4, 792 FW_UPDATED = 5, 793 LOW_MEMORY = 6, 794 }; 795 796 enum ibmvnic_commands { 797 VERSION_EXCHANGE = 0x01, 798 VERSION_EXCHANGE_RSP = 0x81, 799 QUERY_CAPABILITY = 0x02, 800 QUERY_CAPABILITY_RSP = 0x82, 801 REQUEST_CAPABILITY = 0x03, 802 REQUEST_CAPABILITY_RSP = 0x83, 803 LOGIN = 0x04, 804 LOGIN_RSP = 0x84, 805 QUERY_PHYS_PARMS = 0x05, 806 QUERY_PHYS_PARMS_RSP = 0x85, 807 QUERY_PHYS_CAPABILITIES = 0x06, 808 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 809 SET_PHYS_PARMS = 0x07, 810 SET_PHYS_PARMS_RSP = 0x87, 811 ERROR_INDICATION = 0x08, 812 REQUEST_ERROR_INFO = 0x09, 813 REQUEST_ERROR_RSP = 0x89, 814 LOGICAL_LINK_STATE = 0x0C, 815 LOGICAL_LINK_STATE_RSP = 0x8C, 816 REQUEST_STATISTICS = 0x0D, 817 REQUEST_STATISTICS_RSP = 0x8D, 818 COLLECT_FW_TRACE = 0x11, 819 COLLECT_FW_TRACE_RSP = 0x91, 820 LINK_STATE_INDICATION = 0x12, 821 CHANGE_MAC_ADDR = 0x13, 822 CHANGE_MAC_ADDR_RSP = 0x93, 823 MULTICAST_CTRL = 0x14, 824 MULTICAST_CTRL_RSP = 0x94, 825 GET_VPD_SIZE = 0x15, 826 GET_VPD_SIZE_RSP = 0x95, 827 GET_VPD = 0x16, 828 GET_VPD_RSP = 0x96, 829 TUNE = 0x17, 830 TUNE_RSP = 0x97, 831 QUERY_IP_OFFLOAD = 0x18, 832 QUERY_IP_OFFLOAD_RSP = 0x98, 833 CONTROL_IP_OFFLOAD = 0x19, 834 CONTROL_IP_OFFLOAD_RSP = 0x99, 835 ACL_CHANGE_INDICATION = 0x1A, 836 ACL_QUERY = 0x1B, 837 ACL_QUERY_RSP = 0x9B, 838 QUERY_MAP = 0x1D, 839 QUERY_MAP_RSP = 0x9D, 840 REQUEST_MAP = 0x1E, 841 REQUEST_MAP_RSP = 0x9E, 842 REQUEST_UNMAP = 0x1F, 843 REQUEST_UNMAP_RSP = 0x9F, 844 VLAN_CTRL = 0x20, 845 VLAN_CTRL_RSP = 0xA0, 846 }; 847 848 enum ibmvnic_crq_type { 849 IBMVNIC_CRQ_CMD = 0x80, 850 IBMVNIC_CRQ_CMD_RSP = 0x80, 851 IBMVNIC_CRQ_INIT_CMD = 0xC0, 852 IBMVNIC_CRQ_INIT_RSP = 0xC0, 853 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 854 }; 855 856 enum ibmvfc_crq_format { 857 IBMVNIC_CRQ_INIT = 0x01, 858 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 859 IBMVNIC_PARTITION_MIGRATED = 0x06, 860 IBMVNIC_DEVICE_FAILOVER = 0x08, 861 }; 862 863 struct ibmvnic_crq_queue { 864 union ibmvnic_crq *msgs; 865 int size, cur; 866 dma_addr_t msg_token; 867 spinlock_t lock; 868 bool active; 869 }; 870 871 union sub_crq { 872 struct ibmvnic_generic_scrq generic; 873 struct ibmvnic_tx_comp_desc tx_comp; 874 struct ibmvnic_tx_desc v1; 875 struct ibmvnic_hdr_desc hdr; 876 struct ibmvnic_hdr_ext_desc hdr_ext; 877 struct ibmvnic_sge_desc sge; 878 struct ibmvnic_rx_comp_desc rx_comp; 879 struct ibmvnic_rx_buff_add_desc rx_add; 880 }; 881 882 struct ibmvnic_sub_crq_queue { 883 union sub_crq *msgs; 884 int size, cur; 885 dma_addr_t msg_token; 886 unsigned long crq_num; 887 unsigned long hw_irq; 888 unsigned int irq; 889 unsigned int pool_index; 890 int scrq_num; 891 spinlock_t lock; 892 struct sk_buff *rx_skb_top; 893 struct ibmvnic_adapter *adapter; 894 atomic_t used; 895 }; 896 897 struct ibmvnic_long_term_buff { 898 unsigned char *buff; 899 dma_addr_t addr; 900 u64 size; 901 u8 map_id; 902 }; 903 904 struct ibmvnic_tx_buff { 905 struct sk_buff *skb; 906 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 907 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 908 int index; 909 int pool_index; 910 bool last_frag; 911 union sub_crq indir_arr[6]; 912 u8 hdr_data[140]; 913 dma_addr_t indir_dma; 914 int num_entries; 915 }; 916 917 struct ibmvnic_tx_pool { 918 struct ibmvnic_tx_buff *tx_buff; 919 int *free_map; 920 int consumer_index; 921 int producer_index; 922 struct ibmvnic_long_term_buff long_term_buff; 923 int num_buffers; 924 int buf_size; 925 }; 926 927 struct ibmvnic_rx_buff { 928 struct sk_buff *skb; 929 dma_addr_t dma; 930 unsigned char *data; 931 int size; 932 int pool_index; 933 }; 934 935 struct ibmvnic_rx_pool { 936 struct ibmvnic_rx_buff *rx_buff; 937 int size; 938 int index; 939 int buff_size; 940 atomic_t available; 941 int *free_map; 942 int next_free; 943 int next_alloc; 944 int active; 945 struct ibmvnic_long_term_buff long_term_buff; 946 }; 947 948 struct ibmvnic_error_buff { 949 char *buff; 950 dma_addr_t dma; 951 int len; 952 struct list_head list; 953 __be32 error_id; 954 }; 955 956 struct ibmvnic_vpd { 957 unsigned char *buff; 958 dma_addr_t dma_addr; 959 u64 len; 960 }; 961 962 enum vnic_state {VNIC_PROBING = 1, 963 VNIC_PROBED, 964 VNIC_OPENING, 965 VNIC_OPEN, 966 VNIC_CLOSING, 967 VNIC_CLOSED, 968 VNIC_REMOVING, 969 VNIC_REMOVED}; 970 971 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 972 VNIC_RESET_MOBILITY, 973 VNIC_RESET_FATAL, 974 VNIC_RESET_NON_FATAL, 975 VNIC_RESET_TIMEOUT, 976 VNIC_RESET_CHANGE_PARAM}; 977 978 struct ibmvnic_rwi { 979 enum ibmvnic_reset_reason reset_reason; 980 struct list_head list; 981 }; 982 983 struct ibmvnic_tunables { 984 u64 rx_queues; 985 u64 tx_queues; 986 u64 rx_entries; 987 u64 tx_entries; 988 u64 mtu; 989 struct sockaddr mac; 990 }; 991 992 struct ibmvnic_adapter { 993 struct vio_dev *vdev; 994 struct net_device *netdev; 995 struct ibmvnic_crq_queue crq; 996 u8 mac_addr[ETH_ALEN]; 997 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 998 dma_addr_t ip_offload_tok; 999 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 1000 dma_addr_t ip_offload_ctrl_tok; 1001 u32 msg_enable; 1002 1003 /* Vital Product Data (VPD) */ 1004 struct ibmvnic_vpd *vpd; 1005 char fw_version[32]; 1006 1007 /* Statistics */ 1008 struct ibmvnic_statistics stats; 1009 dma_addr_t stats_token; 1010 struct completion stats_done; 1011 spinlock_t stats_lock; 1012 int replenish_no_mem; 1013 int replenish_add_buff_success; 1014 int replenish_add_buff_failure; 1015 int replenish_task_cycles; 1016 int tx_send_failed; 1017 int tx_map_failed; 1018 1019 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 1020 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 1021 1022 int phys_link_state; 1023 int logical_link_state; 1024 1025 /* login data */ 1026 struct ibmvnic_login_buffer *login_buf; 1027 dma_addr_t login_buf_token; 1028 int login_buf_sz; 1029 1030 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 1031 dma_addr_t login_rsp_buf_token; 1032 int login_rsp_buf_sz; 1033 1034 atomic_t running_cap_crqs; 1035 bool wait_capability; 1036 1037 struct ibmvnic_sub_crq_queue **tx_scrq; 1038 struct ibmvnic_sub_crq_queue **rx_scrq; 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 ibmvnic_tx_pool *tso_pool; 1047 struct completion init_done; 1048 int init_done_rc; 1049 1050 struct list_head errors; 1051 spinlock_t error_list_lock; 1052 1053 struct completion fw_done; 1054 int fw_done_rc; 1055 1056 struct completion reset_done; 1057 int reset_done_rc; 1058 bool wait_for_reset; 1059 1060 /* partner capabilities */ 1061 u64 min_tx_queues; 1062 u64 min_rx_queues; 1063 u64 min_rx_add_queues; 1064 u64 max_tx_queues; 1065 u64 max_rx_queues; 1066 u64 max_rx_add_queues; 1067 u64 req_tx_queues; 1068 u64 req_rx_queues; 1069 u64 req_rx_add_queues; 1070 u64 min_tx_entries_per_subcrq; 1071 u64 min_rx_add_entries_per_subcrq; 1072 u64 max_tx_entries_per_subcrq; 1073 u64 max_rx_add_entries_per_subcrq; 1074 u64 req_tx_entries_per_subcrq; 1075 u64 req_rx_add_entries_per_subcrq; 1076 u64 tcp_ip_offload; 1077 u64 promisc_requested; 1078 u64 promisc_supported; 1079 u64 min_mtu; 1080 u64 max_mtu; 1081 u64 req_mtu; 1082 u64 max_multicast_filters; 1083 u64 vlan_header_insertion; 1084 u64 rx_vlan_header_insertion; 1085 u64 max_tx_sg_entries; 1086 u64 rx_sg_supported; 1087 u64 rx_sg_requested; 1088 u64 opt_tx_comp_sub_queues; 1089 u64 opt_rx_comp_queues; 1090 u64 opt_rx_bufadd_q_per_rx_comp_q; 1091 u64 opt_tx_entries_per_subcrq; 1092 u64 opt_rxba_entries_per_subcrq; 1093 __be64 tx_rx_desc_req; 1094 u8 map_id; 1095 u32 num_active_rx_scrqs; 1096 u32 num_active_rx_pools; 1097 u32 num_active_rx_napi; 1098 u32 num_active_tx_scrqs; 1099 u32 num_active_tx_pools; 1100 1101 struct tasklet_struct tasklet; 1102 enum vnic_state state; 1103 enum ibmvnic_reset_reason reset_reason; 1104 struct mutex reset_lock, rwi_lock; 1105 struct list_head rwi_list; 1106 struct work_struct ibmvnic_reset; 1107 bool resetting; 1108 bool napi_enabled, from_passive_init; 1109 1110 bool mac_change_pending; 1111 bool failover_pending; 1112 bool force_reset_recovery; 1113 1114 struct ibmvnic_tunables desired; 1115 struct ibmvnic_tunables fallback; 1116 }; 1117