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 } __packed __aligned(8); 61 62 struct ibmvnic_login_rsp_buffer { 63 __be32 len; 64 __be32 version; 65 #define INITIAL_VERSION_LRB 1 66 __be32 num_txsubm_subcrqs; 67 __be32 off_txsubm_subcrqs; 68 __be32 num_rxadd_subcrqs; 69 __be32 off_rxadd_subcrqs; 70 __be32 off_rxadd_buff_size; 71 __be32 num_supp_tx_desc; 72 __be32 off_supp_tx_desc; 73 } __packed __aligned(8); 74 75 struct ibmvnic_query_ip_offload_buffer { 76 __be32 len; 77 __be32 version; 78 #define INITIAL_VERSION_IOB 1 79 u8 ipv4_chksum; 80 u8 ipv6_chksum; 81 u8 tcp_ipv4_chksum; 82 u8 tcp_ipv6_chksum; 83 u8 udp_ipv4_chksum; 84 u8 udp_ipv6_chksum; 85 u8 large_tx_ipv4; 86 u8 large_tx_ipv6; 87 u8 large_rx_ipv4; 88 u8 large_rx_ipv6; 89 u8 reserved1[14]; 90 __be16 max_ipv4_header_size; 91 __be16 max_ipv6_header_size; 92 __be16 max_tcp_header_size; 93 __be16 max_udp_header_size; 94 __be32 max_large_tx_size; 95 __be32 max_large_rx_size; 96 u8 reserved2[16]; 97 u8 ipv6_extension_header; 98 #define IPV6_EH_NOT_SUPPORTED 0x00 99 #define IPV6_EH_SUPPORTED_LIM 0x01 100 #define IPV6_EH_SUPPORTED 0xFF 101 u8 tcp_pseudosum_req; 102 #define TCP_PS_NOT_REQUIRED 0x00 103 #define TCP_PS_REQUIRED 0x01 104 u8 reserved3[30]; 105 __be16 num_ipv6_ext_headers; 106 __be32 off_ipv6_ext_headers; 107 u8 reserved4[154]; 108 } __packed __aligned(8); 109 110 struct ibmvnic_control_ip_offload_buffer { 111 __be32 len; 112 __be32 version; 113 #define INITIAL_VERSION_IOB 1 114 u8 ipv4_chksum; 115 u8 ipv6_chksum; 116 u8 tcp_ipv4_chksum; 117 u8 tcp_ipv6_chksum; 118 u8 udp_ipv4_chksum; 119 u8 udp_ipv6_chksum; 120 u8 large_tx_ipv4; 121 u8 large_tx_ipv6; 122 u8 bad_packet_rx; 123 u8 large_rx_ipv4; 124 u8 large_rx_ipv6; 125 u8 reserved4[111]; 126 } __packed __aligned(8); 127 128 struct ibmvnic_fw_component { 129 u8 name[48]; 130 __be32 trace_buff_size; 131 u8 correlator; 132 u8 trace_level; 133 u8 parent_correlator; 134 u8 error_check_level; 135 u8 trace_on; 136 u8 reserved[7]; 137 u8 description[192]; 138 } __packed __aligned(8); 139 140 struct ibmvnic_fw_trace_entry { 141 __be32 trace_id; 142 u8 num_valid_data; 143 u8 reserved[3]; 144 __be64 pmc_registers; 145 __be64 timebase; 146 __be64 trace_data[5]; 147 } __packed __aligned(8); 148 149 struct ibmvnic_statistics { 150 __be32 version; 151 __be32 promiscuous; 152 __be64 rx_packets; 153 __be64 rx_bytes; 154 __be64 tx_packets; 155 __be64 tx_bytes; 156 __be64 ucast_tx_packets; 157 __be64 ucast_rx_packets; 158 __be64 mcast_tx_packets; 159 __be64 mcast_rx_packets; 160 __be64 bcast_tx_packets; 161 __be64 bcast_rx_packets; 162 __be64 align_errors; 163 __be64 fcs_errors; 164 __be64 single_collision_frames; 165 __be64 multi_collision_frames; 166 __be64 sqe_test_errors; 167 __be64 deferred_tx; 168 __be64 late_collisions; 169 __be64 excess_collisions; 170 __be64 internal_mac_tx_errors; 171 __be64 carrier_sense; 172 __be64 too_long_frames; 173 __be64 internal_mac_rx_errors; 174 u8 reserved[72]; 175 } __packed __aligned(8); 176 177 #define NUM_TX_STATS 3 178 struct ibmvnic_tx_queue_stats { 179 u64 packets; 180 u64 bytes; 181 u64 dropped_packets; 182 }; 183 184 #define NUM_RX_STATS 3 185 struct ibmvnic_rx_queue_stats { 186 u64 packets; 187 u64 bytes; 188 u64 interrupts; 189 }; 190 191 struct ibmvnic_acl_buffer { 192 __be32 len; 193 __be32 version; 194 #define INITIAL_VERSION_IOB 1 195 u8 mac_acls_restrict; 196 u8 vlan_acls_restrict; 197 u8 reserved1[22]; 198 __be32 num_mac_addrs; 199 __be32 offset_mac_addrs; 200 __be32 num_vlan_ids; 201 __be32 offset_vlan_ids; 202 u8 reserved2[80]; 203 } __packed __aligned(8); 204 205 /* descriptors have been changed, how should this be defined? 1? 4? */ 206 207 #define IBMVNIC_TX_DESC_VERSIONS 3 208 209 /* is this still needed? */ 210 struct ibmvnic_tx_comp_desc { 211 u8 first; 212 u8 num_comps; 213 __be16 rcs[5]; 214 __be32 correlators[5]; 215 } __packed __aligned(8); 216 217 /* some flags that included in v0 descriptor, which is gone 218 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 219 * and only in some offload_flags variable that doesn't seem 220 * to be used anywhere, can probably be removed? 221 */ 222 223 #define IBMVNIC_TCP_CHKSUM 0x20 224 #define IBMVNIC_UDP_CHKSUM 0x08 225 226 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 227 228 struct ibmvnic_tx_desc { 229 u8 first; 230 u8 type; 231 232 #define IBMVNIC_TX_DESC 0x10 233 u8 n_crq_elem; 234 u8 n_sge; 235 u8 flags1; 236 #define IBMVNIC_TX_COMP_NEEDED 0x80 237 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 238 #define IBMVNIC_TX_LSO 0x20 239 #define IBMVNIC_TX_PROT_TCP 0x10 240 #define IBMVNIC_TX_PROT_UDP 0x08 241 #define IBMVNIC_TX_PROT_IPV4 0x04 242 #define IBMVNIC_TX_PROT_IPV6 0x02 243 #define IBMVNIC_TX_VLAN_PRESENT 0x01 244 u8 flags2; 245 #define IBMVNIC_TX_VLAN_INSERT 0x80 246 __be16 mss; 247 u8 reserved[4]; 248 __be32 correlator; 249 __be16 vlan_id; 250 __be16 dma_reg; 251 __be32 sge_len; 252 __be64 ioba; 253 } __packed __aligned(8); 254 255 struct ibmvnic_hdr_desc { 256 u8 first; 257 u8 type; 258 #define IBMVNIC_HDR_DESC 0x11 259 u8 len; 260 u8 l2_len; 261 __be16 l3_len; 262 u8 l4_len; 263 u8 flag; 264 u8 data[24]; 265 } __packed __aligned(8); 266 267 struct ibmvnic_hdr_ext_desc { 268 u8 first; 269 u8 type; 270 #define IBMVNIC_HDR_EXT_DESC 0x12 271 u8 len; 272 u8 data[29]; 273 } __packed __aligned(8); 274 275 struct ibmvnic_sge_desc { 276 u8 first; 277 u8 type; 278 #define IBMVNIC_SGE_DESC 0x30 279 __be16 sge1_dma_reg; 280 __be32 sge1_len; 281 __be64 sge1_ioba; 282 __be16 reserved; 283 __be16 sge2_dma_reg; 284 __be32 sge2_len; 285 __be64 sge2_ioba; 286 } __packed __aligned(8); 287 288 struct ibmvnic_rx_comp_desc { 289 u8 first; 290 u8 flags; 291 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 292 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 293 #define IBMVNIC_END_FRAME 0x20 294 #define IBMVNIC_EXACT_MC 0x10 295 #define IBMVNIC_VLAN_STRIPPED 0x08 296 __be16 off_frame_data; 297 __be32 len; 298 __be64 correlator; 299 __be16 vlan_tci; 300 __be16 rc; 301 u8 reserved[12]; 302 } __packed __aligned(8); 303 304 struct ibmvnic_generic_scrq { 305 u8 first; 306 u8 reserved[31]; 307 } __packed __aligned(8); 308 309 struct ibmvnic_rx_buff_add_desc { 310 u8 first; 311 u8 reserved[7]; 312 __be64 correlator; 313 __be32 ioba; 314 u8 map_id; 315 __be32 len:24; 316 u8 reserved2[8]; 317 } __packed __aligned(8); 318 319 struct ibmvnic_rc { 320 u8 code; /* one of enum ibmvnic_rc_codes */ 321 u8 detailed_data[3]; 322 } __packed __aligned(4); 323 324 struct ibmvnic_generic_crq { 325 u8 first; 326 u8 cmd; 327 u8 params[10]; 328 struct ibmvnic_rc rc; 329 } __packed __aligned(8); 330 331 struct ibmvnic_version_exchange { 332 u8 first; 333 u8 cmd; 334 __be16 version; 335 #define IBMVNIC_INITIAL_VERSION 1 336 u8 reserved[8]; 337 struct ibmvnic_rc rc; 338 } __packed __aligned(8); 339 340 struct ibmvnic_capability { 341 u8 first; 342 u8 cmd; 343 __be16 capability; /* one of ibmvnic_capabilities */ 344 __be64 number; 345 struct ibmvnic_rc rc; 346 } __packed __aligned(8); 347 348 struct ibmvnic_login { 349 u8 first; 350 u8 cmd; 351 u8 reserved[6]; 352 __be32 ioba; 353 __be32 len; 354 } __packed __aligned(8); 355 356 struct ibmvnic_phys_parms { 357 u8 first; 358 u8 cmd; 359 u8 flags1; 360 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 361 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 362 #define IBMVNIC_PROMISC 0x20 363 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 364 #define IBMVNIC_AUTONEG_DUPLEX 0x08 365 #define IBMVNIC_FULL_DUPLEX 0x04 366 #define IBMVNIC_HALF_DUPLEX 0x02 367 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 368 u8 flags2; 369 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 370 __be32 speed; 371 #define IBMVNIC_AUTONEG 0x80 372 #define IBMVNIC_10MBPS 0x40 373 #define IBMVNIC_100MBPS 0x20 374 #define IBMVNIC_1GBPS 0x10 375 #define IBMVNIC_10GBPS 0x08 376 __be32 mtu; 377 struct ibmvnic_rc rc; 378 } __packed __aligned(8); 379 380 struct ibmvnic_logical_link_state { 381 u8 first; 382 u8 cmd; 383 u8 link_state; 384 #define IBMVNIC_LOGICAL_LNK_DN 0x00 385 #define IBMVNIC_LOGICAL_LNK_UP 0x01 386 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff 387 u8 reserved[9]; 388 struct ibmvnic_rc rc; 389 } __packed __aligned(8); 390 391 struct ibmvnic_query_ip_offload { 392 u8 first; 393 u8 cmd; 394 u8 reserved[2]; 395 __be32 len; 396 __be32 ioba; 397 struct ibmvnic_rc rc; 398 } __packed __aligned(8); 399 400 struct ibmvnic_control_ip_offload { 401 u8 first; 402 u8 cmd; 403 u8 reserved[2]; 404 __be32 ioba; 405 __be32 len; 406 struct ibmvnic_rc rc; 407 } __packed __aligned(8); 408 409 struct ibmvnic_request_dump_size { 410 u8 first; 411 u8 cmd; 412 u8 reserved[6]; 413 __be32 len; 414 struct ibmvnic_rc rc; 415 } __packed __aligned(8); 416 417 struct ibmvnic_request_dump { 418 u8 first; 419 u8 cmd; 420 u8 reserved1[2]; 421 __be32 ioba; 422 __be32 len; 423 u8 reserved2[4]; 424 } __packed __aligned(8); 425 426 struct ibmvnic_request_dump_rsp { 427 u8 first; 428 u8 cmd; 429 u8 reserved[6]; 430 __be32 dumped_len; 431 struct ibmvnic_rc rc; 432 } __packed __aligned(8); 433 434 struct ibmvnic_request_ras_comp_num { 435 u8 first; 436 u8 cmd; 437 u8 reserved1[2]; 438 __be32 num_components; 439 u8 reserved2[4]; 440 struct ibmvnic_rc rc; 441 } __packed __aligned(8); 442 443 struct ibmvnic_request_ras_comps { 444 u8 first; 445 u8 cmd; 446 u8 reserved[2]; 447 __be32 ioba; 448 __be32 len; 449 struct ibmvnic_rc rc; 450 } __packed __aligned(8); 451 452 struct ibmvnic_control_ras { 453 u8 first; 454 u8 cmd; 455 u8 correlator; 456 u8 level; 457 u8 op; 458 #define IBMVNIC_TRACE_LEVEL 1 459 #define IBMVNIC_ERROR_LEVEL 2 460 #define IBMVNIC_TRACE_PAUSE 3 461 #define IBMVNIC_TRACE_RESUME 4 462 #define IBMVNIC_TRACE_ON 5 463 #define IBMVNIC_TRACE_OFF 6 464 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 465 u8 trace_buff_sz[3]; 466 u8 reserved[4]; 467 struct ibmvnic_rc rc; 468 } __packed __aligned(8); 469 470 struct ibmvnic_collect_fw_trace { 471 u8 first; 472 u8 cmd; 473 u8 correlator; 474 u8 reserved; 475 __be32 ioba; 476 __be32 len; 477 struct ibmvnic_rc rc; 478 } __packed __aligned(8); 479 480 struct ibmvnic_request_statistics { 481 u8 first; 482 u8 cmd; 483 u8 flags; 484 #define IBMVNIC_PHYSICAL_PORT 0x80 485 u8 reserved1; 486 __be32 ioba; 487 __be32 len; 488 u8 reserved[4]; 489 } __packed __aligned(8); 490 491 struct ibmvnic_request_debug_stats { 492 u8 first; 493 u8 cmd; 494 u8 reserved[2]; 495 __be32 ioba; 496 __be32 len; 497 struct ibmvnic_rc rc; 498 } __packed __aligned(8); 499 500 struct ibmvnic_error_indication { 501 u8 first; 502 u8 cmd; 503 u8 flags; 504 #define IBMVNIC_FATAL_ERROR 0x80 505 u8 reserved1; 506 __be32 error_id; 507 __be32 detail_error_sz; 508 __be16 error_cause; 509 u8 reserved2[2]; 510 } __packed __aligned(8); 511 512 struct ibmvnic_request_error_info { 513 u8 first; 514 u8 cmd; 515 u8 reserved[2]; 516 __be32 ioba; 517 __be32 len; 518 __be32 error_id; 519 } __packed __aligned(8); 520 521 struct ibmvnic_request_error_rsp { 522 u8 first; 523 u8 cmd; 524 u8 reserved[2]; 525 __be32 error_id; 526 __be32 len; 527 struct ibmvnic_rc rc; 528 } __packed __aligned(8); 529 530 struct ibmvnic_link_state_indication { 531 u8 first; 532 u8 cmd; 533 u8 reserved1[2]; 534 u8 phys_link_state; 535 u8 logical_link_state; 536 u8 reserved2[10]; 537 } __packed __aligned(8); 538 539 struct ibmvnic_change_mac_addr { 540 u8 first; 541 u8 cmd; 542 u8 mac_addr[6]; 543 u8 reserved[4]; 544 struct ibmvnic_rc rc; 545 } __packed __aligned(8); 546 547 struct ibmvnic_multicast_ctrl { 548 u8 first; 549 u8 cmd; 550 u8 mac_addr[6]; 551 u8 flags; 552 #define IBMVNIC_ENABLE_MC 0x80 553 #define IBMVNIC_DISABLE_MC 0x40 554 #define IBMVNIC_ENABLE_ALL 0x20 555 #define IBMVNIC_DISABLE_ALL 0x10 556 u8 reserved1; 557 __be16 reserved2; /* was num_enabled_mc_addr; */ 558 struct ibmvnic_rc rc; 559 } __packed __aligned(8); 560 561 struct ibmvnic_get_vpd_size_rsp { 562 u8 first; 563 u8 cmd; 564 u8 reserved[2]; 565 __be64 len; 566 struct ibmvnic_rc rc; 567 } __packed __aligned(8); 568 569 struct ibmvnic_get_vpd { 570 u8 first; 571 u8 cmd; 572 u8 reserved1[2]; 573 __be32 ioba; 574 __be32 len; 575 u8 reserved[4]; 576 } __packed __aligned(8); 577 578 struct ibmvnic_acl_change_indication { 579 u8 first; 580 u8 cmd; 581 __be16 change_type; 582 #define IBMVNIC_MAC_ACL 0 583 #define IBMVNIC_VLAN_ACL 1 584 u8 reserved[12]; 585 } __packed __aligned(8); 586 587 struct ibmvnic_acl_query { 588 u8 first; 589 u8 cmd; 590 u8 reserved1[2]; 591 __be32 ioba; 592 __be32 len; 593 u8 reserved2[4]; 594 } __packed __aligned(8); 595 596 struct ibmvnic_tune { 597 u8 first; 598 u8 cmd; 599 u8 reserved1[2]; 600 __be32 ioba; 601 __be32 len; 602 u8 reserved2[4]; 603 } __packed __aligned(8); 604 605 struct ibmvnic_request_map { 606 u8 first; 607 u8 cmd; 608 u8 reserved1; 609 u8 map_id; 610 __be32 ioba; 611 __be32 len; 612 u8 reserved2[4]; 613 } __packed __aligned(8); 614 615 struct ibmvnic_request_map_rsp { 616 u8 first; 617 u8 cmd; 618 u8 reserved1; 619 u8 map_id; 620 u8 reserved2[8]; 621 struct ibmvnic_rc rc; 622 } __packed __aligned(8); 623 624 struct ibmvnic_request_unmap { 625 u8 first; 626 u8 cmd; 627 u8 reserved1; 628 u8 map_id; 629 u8 reserved2[12]; 630 } __packed __aligned(8); 631 632 struct ibmvnic_request_unmap_rsp { 633 u8 first; 634 u8 cmd; 635 u8 reserved1; 636 u8 map_id; 637 u8 reserved2[8]; 638 struct ibmvnic_rc rc; 639 } __packed __aligned(8); 640 641 struct ibmvnic_query_map { 642 u8 first; 643 u8 cmd; 644 u8 reserved[14]; 645 } __packed __aligned(8); 646 647 struct ibmvnic_query_map_rsp { 648 u8 first; 649 u8 cmd; 650 u8 reserved; 651 u8 page_size; 652 __be32 tot_pages; 653 __be32 free_pages; 654 struct ibmvnic_rc rc; 655 } __packed __aligned(8); 656 657 union ibmvnic_crq { 658 struct ibmvnic_generic_crq generic; 659 struct ibmvnic_version_exchange version_exchange; 660 struct ibmvnic_version_exchange version_exchange_rsp; 661 struct ibmvnic_capability query_capability; 662 struct ibmvnic_capability query_capability_rsp; 663 struct ibmvnic_capability request_capability; 664 struct ibmvnic_capability request_capability_rsp; 665 struct ibmvnic_login login; 666 struct ibmvnic_generic_crq login_rsp; 667 struct ibmvnic_phys_parms query_phys_parms; 668 struct ibmvnic_phys_parms query_phys_parms_rsp; 669 struct ibmvnic_phys_parms query_phys_capabilities; 670 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 671 struct ibmvnic_phys_parms set_phys_parms; 672 struct ibmvnic_phys_parms set_phys_parms_rsp; 673 struct ibmvnic_logical_link_state logical_link_state; 674 struct ibmvnic_logical_link_state logical_link_state_rsp; 675 struct ibmvnic_query_ip_offload query_ip_offload; 676 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 677 struct ibmvnic_control_ip_offload control_ip_offload; 678 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 679 struct ibmvnic_request_dump_size request_dump_size; 680 struct ibmvnic_request_dump_size request_dump_size_rsp; 681 struct ibmvnic_request_dump request_dump; 682 struct ibmvnic_request_dump_rsp request_dump_rsp; 683 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 684 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 685 struct ibmvnic_request_ras_comps request_ras_comps; 686 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 687 struct ibmvnic_control_ras control_ras; 688 struct ibmvnic_control_ras control_ras_rsp; 689 struct ibmvnic_collect_fw_trace collect_fw_trace; 690 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 691 struct ibmvnic_request_statistics request_statistics; 692 struct ibmvnic_generic_crq request_statistics_rsp; 693 struct ibmvnic_request_debug_stats request_debug_stats; 694 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 695 struct ibmvnic_error_indication error_indication; 696 struct ibmvnic_request_error_info request_error_info; 697 struct ibmvnic_request_error_rsp request_error_rsp; 698 struct ibmvnic_link_state_indication link_state_indication; 699 struct ibmvnic_change_mac_addr change_mac_addr; 700 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 701 struct ibmvnic_multicast_ctrl multicast_ctrl; 702 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 703 struct ibmvnic_generic_crq get_vpd_size; 704 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 705 struct ibmvnic_get_vpd get_vpd; 706 struct ibmvnic_generic_crq get_vpd_rsp; 707 struct ibmvnic_acl_change_indication acl_change_indication; 708 struct ibmvnic_acl_query acl_query; 709 struct ibmvnic_generic_crq acl_query_rsp; 710 struct ibmvnic_tune tune; 711 struct ibmvnic_generic_crq tune_rsp; 712 struct ibmvnic_request_map request_map; 713 struct ibmvnic_request_map_rsp request_map_rsp; 714 struct ibmvnic_request_unmap request_unmap; 715 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 716 struct ibmvnic_query_map query_map; 717 struct ibmvnic_query_map_rsp query_map_rsp; 718 }; 719 720 enum ibmvnic_rc_codes { 721 SUCCESS = 0, 722 PARTIALSUCCESS = 1, 723 PERMISSION = 2, 724 NOMEMORY = 3, 725 PARAMETER = 4, 726 UNKNOWNCOMMAND = 5, 727 ABORTED = 6, 728 INVALIDSTATE = 7, 729 INVALIDIOBA = 8, 730 INVALIDLENGTH = 9, 731 UNSUPPORTEDOPTION = 10, 732 }; 733 734 enum ibmvnic_capabilities { 735 MIN_TX_QUEUES = 1, 736 MIN_RX_QUEUES = 2, 737 MIN_RX_ADD_QUEUES = 3, 738 MAX_TX_QUEUES = 4, 739 MAX_RX_QUEUES = 5, 740 MAX_RX_ADD_QUEUES = 6, 741 REQ_TX_QUEUES = 7, 742 REQ_RX_QUEUES = 8, 743 REQ_RX_ADD_QUEUES = 9, 744 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 745 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 746 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 747 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 748 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 749 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 750 TCP_IP_OFFLOAD = 16, 751 PROMISC_REQUESTED = 17, 752 PROMISC_SUPPORTED = 18, 753 MIN_MTU = 19, 754 MAX_MTU = 20, 755 REQ_MTU = 21, 756 MAX_MULTICAST_FILTERS = 22, 757 VLAN_HEADER_INSERTION = 23, 758 RX_VLAN_HEADER_INSERTION = 24, 759 MAX_TX_SG_ENTRIES = 25, 760 RX_SG_SUPPORTED = 26, 761 RX_SG_REQUESTED = 27, 762 OPT_TX_COMP_SUB_QUEUES = 28, 763 OPT_RX_COMP_QUEUES = 29, 764 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 765 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 766 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 767 TX_RX_DESC_REQ = 33, 768 }; 769 770 enum ibmvnic_error_cause { 771 ADAPTER_PROBLEM = 0, 772 BUS_PROBLEM = 1, 773 FW_PROBLEM = 2, 774 DD_PROBLEM = 3, 775 EEH_RECOVERY = 4, 776 FW_UPDATED = 5, 777 LOW_MEMORY = 6, 778 }; 779 780 enum ibmvnic_commands { 781 VERSION_EXCHANGE = 0x01, 782 VERSION_EXCHANGE_RSP = 0x81, 783 QUERY_CAPABILITY = 0x02, 784 QUERY_CAPABILITY_RSP = 0x82, 785 REQUEST_CAPABILITY = 0x03, 786 REQUEST_CAPABILITY_RSP = 0x83, 787 LOGIN = 0x04, 788 LOGIN_RSP = 0x84, 789 QUERY_PHYS_PARMS = 0x05, 790 QUERY_PHYS_PARMS_RSP = 0x85, 791 QUERY_PHYS_CAPABILITIES = 0x06, 792 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 793 SET_PHYS_PARMS = 0x07, 794 SET_PHYS_PARMS_RSP = 0x87, 795 ERROR_INDICATION = 0x08, 796 REQUEST_ERROR_INFO = 0x09, 797 REQUEST_ERROR_RSP = 0x89, 798 LOGICAL_LINK_STATE = 0x0C, 799 LOGICAL_LINK_STATE_RSP = 0x8C, 800 REQUEST_STATISTICS = 0x0D, 801 REQUEST_STATISTICS_RSP = 0x8D, 802 COLLECT_FW_TRACE = 0x11, 803 COLLECT_FW_TRACE_RSP = 0x91, 804 LINK_STATE_INDICATION = 0x12, 805 CHANGE_MAC_ADDR = 0x13, 806 CHANGE_MAC_ADDR_RSP = 0x93, 807 MULTICAST_CTRL = 0x14, 808 MULTICAST_CTRL_RSP = 0x94, 809 GET_VPD_SIZE = 0x15, 810 GET_VPD_SIZE_RSP = 0x95, 811 GET_VPD = 0x16, 812 GET_VPD_RSP = 0x96, 813 TUNE = 0x17, 814 TUNE_RSP = 0x97, 815 QUERY_IP_OFFLOAD = 0x18, 816 QUERY_IP_OFFLOAD_RSP = 0x98, 817 CONTROL_IP_OFFLOAD = 0x19, 818 CONTROL_IP_OFFLOAD_RSP = 0x99, 819 ACL_CHANGE_INDICATION = 0x1A, 820 ACL_QUERY = 0x1B, 821 ACL_QUERY_RSP = 0x9B, 822 QUERY_MAP = 0x1D, 823 QUERY_MAP_RSP = 0x9D, 824 REQUEST_MAP = 0x1E, 825 REQUEST_MAP_RSP = 0x9E, 826 REQUEST_UNMAP = 0x1F, 827 REQUEST_UNMAP_RSP = 0x9F, 828 VLAN_CTRL = 0x20, 829 VLAN_CTRL_RSP = 0xA0, 830 }; 831 832 enum ibmvnic_crq_type { 833 IBMVNIC_CRQ_CMD = 0x80, 834 IBMVNIC_CRQ_CMD_RSP = 0x80, 835 IBMVNIC_CRQ_INIT_CMD = 0xC0, 836 IBMVNIC_CRQ_INIT_RSP = 0xC0, 837 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 838 }; 839 840 enum ibmvfc_crq_format { 841 IBMVNIC_CRQ_INIT = 0x01, 842 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 843 IBMVNIC_PARTITION_MIGRATED = 0x06, 844 IBMVNIC_DEVICE_FAILOVER = 0x08, 845 }; 846 847 struct ibmvnic_crq_queue { 848 union ibmvnic_crq *msgs; 849 int size, cur; 850 dma_addr_t msg_token; 851 spinlock_t lock; 852 }; 853 854 union sub_crq { 855 struct ibmvnic_generic_scrq generic; 856 struct ibmvnic_tx_comp_desc tx_comp; 857 struct ibmvnic_tx_desc v1; 858 struct ibmvnic_hdr_desc hdr; 859 struct ibmvnic_hdr_ext_desc hdr_ext; 860 struct ibmvnic_sge_desc sge; 861 struct ibmvnic_rx_comp_desc rx_comp; 862 struct ibmvnic_rx_buff_add_desc rx_add; 863 }; 864 865 struct ibmvnic_sub_crq_queue { 866 union sub_crq *msgs; 867 int size, cur; 868 dma_addr_t msg_token; 869 unsigned long crq_num; 870 unsigned long hw_irq; 871 unsigned int irq; 872 unsigned int pool_index; 873 int scrq_num; 874 spinlock_t lock; 875 struct sk_buff *rx_skb_top; 876 struct ibmvnic_adapter *adapter; 877 atomic_t used; 878 }; 879 880 struct ibmvnic_long_term_buff { 881 unsigned char *buff; 882 dma_addr_t addr; 883 u64 size; 884 u8 map_id; 885 }; 886 887 struct ibmvnic_tx_buff { 888 struct sk_buff *skb; 889 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 890 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 891 int index; 892 int pool_index; 893 bool last_frag; 894 union sub_crq indir_arr[6]; 895 u8 hdr_data[140]; 896 dma_addr_t indir_dma; 897 }; 898 899 struct ibmvnic_tx_pool { 900 struct ibmvnic_tx_buff *tx_buff; 901 int *free_map; 902 int consumer_index; 903 int producer_index; 904 wait_queue_head_t ibmvnic_tx_comp_q; 905 struct task_struct *work_thread; 906 struct ibmvnic_long_term_buff long_term_buff; 907 struct ibmvnic_long_term_buff tso_ltb; 908 int tso_index; 909 }; 910 911 struct ibmvnic_rx_buff { 912 struct sk_buff *skb; 913 dma_addr_t dma; 914 unsigned char *data; 915 int size; 916 int pool_index; 917 }; 918 919 struct ibmvnic_rx_pool { 920 struct ibmvnic_rx_buff *rx_buff; 921 int size; 922 int index; 923 int buff_size; 924 atomic_t available; 925 int *free_map; 926 int next_free; 927 int next_alloc; 928 int active; 929 struct ibmvnic_long_term_buff long_term_buff; 930 }; 931 932 struct ibmvnic_error_buff { 933 char *buff; 934 dma_addr_t dma; 935 int len; 936 struct list_head list; 937 __be32 error_id; 938 }; 939 940 enum vnic_state {VNIC_PROBING = 1, 941 VNIC_PROBED, 942 VNIC_OPENING, 943 VNIC_OPEN, 944 VNIC_CLOSING, 945 VNIC_CLOSED, 946 VNIC_REMOVING, 947 VNIC_REMOVED}; 948 949 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 950 VNIC_RESET_MOBILITY, 951 VNIC_RESET_FATAL, 952 VNIC_RESET_NON_FATAL, 953 VNIC_RESET_TIMEOUT, 954 VNIC_RESET_CHANGE_PARAM}; 955 956 struct ibmvnic_rwi { 957 enum ibmvnic_reset_reason reset_reason; 958 struct list_head list; 959 }; 960 961 struct ibmvnic_tunables { 962 u64 rx_queues; 963 u64 tx_queues; 964 u64 rx_entries; 965 u64 tx_entries; 966 u64 mtu; 967 struct sockaddr mac; 968 }; 969 970 struct ibmvnic_adapter { 971 struct vio_dev *vdev; 972 struct net_device *netdev; 973 struct ibmvnic_crq_queue crq; 974 u8 mac_addr[ETH_ALEN]; 975 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 976 dma_addr_t ip_offload_tok; 977 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 978 dma_addr_t ip_offload_ctrl_tok; 979 u32 msg_enable; 980 981 /* Statistics */ 982 struct ibmvnic_statistics stats; 983 dma_addr_t stats_token; 984 struct completion stats_done; 985 spinlock_t stats_lock; 986 int replenish_no_mem; 987 int replenish_add_buff_success; 988 int replenish_add_buff_failure; 989 int replenish_task_cycles; 990 int tx_send_failed; 991 int tx_map_failed; 992 993 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 994 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 995 996 int phys_link_state; 997 int logical_link_state; 998 999 /* login data */ 1000 struct ibmvnic_login_buffer *login_buf; 1001 dma_addr_t login_buf_token; 1002 int login_buf_sz; 1003 1004 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 1005 dma_addr_t login_rsp_buf_token; 1006 int login_rsp_buf_sz; 1007 1008 atomic_t running_cap_crqs; 1009 bool wait_capability; 1010 1011 struct ibmvnic_sub_crq_queue **tx_scrq; 1012 struct ibmvnic_sub_crq_queue **rx_scrq; 1013 bool renegotiate; 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 completion init_done; 1022 int init_done_rc; 1023 1024 struct list_head errors; 1025 spinlock_t error_list_lock; 1026 1027 struct completion fw_done; 1028 int fw_done_rc; 1029 1030 struct completion reset_done; 1031 int reset_done_rc; 1032 bool wait_for_reset; 1033 1034 /* partner capabilities */ 1035 u64 min_tx_queues; 1036 u64 min_rx_queues; 1037 u64 min_rx_add_queues; 1038 u64 max_tx_queues; 1039 u64 max_rx_queues; 1040 u64 max_rx_add_queues; 1041 u64 req_tx_queues; 1042 u64 req_rx_queues; 1043 u64 req_rx_add_queues; 1044 u64 min_tx_entries_per_subcrq; 1045 u64 min_rx_add_entries_per_subcrq; 1046 u64 max_tx_entries_per_subcrq; 1047 u64 max_rx_add_entries_per_subcrq; 1048 u64 req_tx_entries_per_subcrq; 1049 u64 req_rx_add_entries_per_subcrq; 1050 u64 tcp_ip_offload; 1051 u64 promisc_requested; 1052 u64 promisc_supported; 1053 u64 min_mtu; 1054 u64 max_mtu; 1055 u64 req_mtu; 1056 u64 max_multicast_filters; 1057 u64 vlan_header_insertion; 1058 u64 rx_vlan_header_insertion; 1059 u64 max_tx_sg_entries; 1060 u64 rx_sg_supported; 1061 u64 rx_sg_requested; 1062 u64 opt_tx_comp_sub_queues; 1063 u64 opt_rx_comp_queues; 1064 u64 opt_rx_bufadd_q_per_rx_comp_q; 1065 u64 opt_tx_entries_per_subcrq; 1066 u64 opt_rxba_entries_per_subcrq; 1067 __be64 tx_rx_desc_req; 1068 u8 map_id; 1069 1070 struct tasklet_struct tasklet; 1071 enum vnic_state state; 1072 enum ibmvnic_reset_reason reset_reason; 1073 struct mutex reset_lock, rwi_lock; 1074 struct list_head rwi_list; 1075 struct work_struct ibmvnic_reset; 1076 bool resetting; 1077 bool napi_enabled, from_passive_init; 1078 1079 bool mac_change_pending; 1080 1081 struct ibmvnic_tunables desired; 1082 struct ibmvnic_tunables fallback; 1083 }; 1084