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 /* basic structures plus 100 2k buffers */ 34 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305 35 36 /* Initial module_parameters */ 37 #define IBMVNIC_RX_WEIGHT 16 38 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */ 39 #define IBMVNIC_BUFFS_PER_POOL 100 40 #define IBMVNIC_MAX_TX_QUEUES 5 41 42 struct ibmvnic_login_buffer { 43 __be32 len; 44 __be32 version; 45 #define INITIAL_VERSION_LB 1 46 __be32 num_txcomp_subcrqs; 47 __be32 off_txcomp_subcrqs; 48 __be32 num_rxcomp_subcrqs; 49 __be32 off_rxcomp_subcrqs; 50 __be32 login_rsp_ioba; 51 __be32 login_rsp_len; 52 } __packed __aligned(8); 53 54 struct ibmvnic_login_rsp_buffer { 55 __be32 len; 56 __be32 version; 57 #define INITIAL_VERSION_LRB 1 58 __be32 num_txsubm_subcrqs; 59 __be32 off_txsubm_subcrqs; 60 __be32 num_rxadd_subcrqs; 61 __be32 off_rxadd_subcrqs; 62 __be32 off_rxadd_buff_size; 63 __be32 num_supp_tx_desc; 64 __be32 off_supp_tx_desc; 65 } __packed __aligned(8); 66 67 struct ibmvnic_query_ip_offload_buffer { 68 __be32 len; 69 __be32 version; 70 #define INITIAL_VERSION_IOB 1 71 u8 ipv4_chksum; 72 u8 ipv6_chksum; 73 u8 tcp_ipv4_chksum; 74 u8 tcp_ipv6_chksum; 75 u8 udp_ipv4_chksum; 76 u8 udp_ipv6_chksum; 77 u8 large_tx_ipv4; 78 u8 large_tx_ipv6; 79 u8 large_rx_ipv4; 80 u8 large_rx_ipv6; 81 u8 reserved1[14]; 82 __be16 max_ipv4_header_size; 83 __be16 max_ipv6_header_size; 84 __be16 max_tcp_header_size; 85 __be16 max_udp_header_size; 86 __be32 max_large_tx_size; 87 __be32 max_large_rx_size; 88 u8 reserved2[16]; 89 u8 ipv6_extension_header; 90 #define IPV6_EH_NOT_SUPPORTED 0x00 91 #define IPV6_EH_SUPPORTED_LIM 0x01 92 #define IPV6_EH_SUPPORTED 0xFF 93 u8 tcp_pseudosum_req; 94 #define TCP_PS_NOT_REQUIRED 0x00 95 #define TCP_PS_REQUIRED 0x01 96 u8 reserved3[30]; 97 __be16 num_ipv6_ext_headers; 98 __be32 off_ipv6_ext_headers; 99 u8 reserved4[154]; 100 } __packed __aligned(8); 101 102 struct ibmvnic_control_ip_offload_buffer { 103 __be32 len; 104 __be32 version; 105 #define INITIAL_VERSION_IOB 1 106 u8 ipv4_chksum; 107 u8 ipv6_chksum; 108 u8 tcp_ipv4_chksum; 109 u8 tcp_ipv6_chksum; 110 u8 udp_ipv4_chksum; 111 u8 udp_ipv6_chksum; 112 u8 large_tx_ipv4; 113 u8 large_tx_ipv6; 114 u8 bad_packet_rx; 115 u8 large_rx_ipv4; 116 u8 large_rx_ipv6; 117 u8 reserved4[111]; 118 } __packed __aligned(8); 119 120 struct ibmvnic_fw_component { 121 u8 name[48]; 122 __be32 trace_buff_size; 123 u8 correlator; 124 u8 trace_level; 125 u8 parent_correlator; 126 u8 error_check_level; 127 u8 trace_on; 128 u8 reserved[7]; 129 u8 description[192]; 130 } __packed __aligned(8); 131 132 struct ibmvnic_fw_trace_entry { 133 __be32 trace_id; 134 u8 num_valid_data; 135 u8 reserved[3]; 136 __be64 pmc_registers; 137 __be64 timebase; 138 __be64 trace_data[5]; 139 } __packed __aligned(8); 140 141 struct ibmvnic_statistics { 142 __be32 version; 143 __be32 promiscuous; 144 __be64 rx_packets; 145 __be64 rx_bytes; 146 __be64 tx_packets; 147 __be64 tx_bytes; 148 __be64 ucast_tx_packets; 149 __be64 ucast_rx_packets; 150 __be64 mcast_tx_packets; 151 __be64 mcast_rx_packets; 152 __be64 bcast_tx_packets; 153 __be64 bcast_rx_packets; 154 __be64 align_errors; 155 __be64 fcs_errors; 156 __be64 single_collision_frames; 157 __be64 multi_collision_frames; 158 __be64 sqe_test_errors; 159 __be64 deferred_tx; 160 __be64 late_collisions; 161 __be64 excess_collisions; 162 __be64 internal_mac_tx_errors; 163 __be64 carrier_sense; 164 __be64 too_long_frames; 165 __be64 internal_mac_rx_errors; 166 u8 reserved[72]; 167 } __packed __aligned(8); 168 169 #define NUM_TX_STATS 3 170 struct ibmvnic_tx_queue_stats { 171 u64 packets; 172 u64 bytes; 173 u64 dropped_packets; 174 }; 175 176 #define NUM_RX_STATS 3 177 struct ibmvnic_rx_queue_stats { 178 u64 packets; 179 u64 bytes; 180 u64 interrupts; 181 }; 182 183 struct ibmvnic_acl_buffer { 184 __be32 len; 185 __be32 version; 186 #define INITIAL_VERSION_IOB 1 187 u8 mac_acls_restrict; 188 u8 vlan_acls_restrict; 189 u8 reserved1[22]; 190 __be32 num_mac_addrs; 191 __be32 offset_mac_addrs; 192 __be32 num_vlan_ids; 193 __be32 offset_vlan_ids; 194 u8 reserved2[80]; 195 } __packed __aligned(8); 196 197 /* descriptors have been changed, how should this be defined? 1? 4? */ 198 199 #define IBMVNIC_TX_DESC_VERSIONS 3 200 201 /* is this still needed? */ 202 struct ibmvnic_tx_comp_desc { 203 u8 first; 204 u8 num_comps; 205 __be16 rcs[5]; 206 __be32 correlators[5]; 207 } __packed __aligned(8); 208 209 /* some flags that included in v0 descriptor, which is gone 210 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 211 * and only in some offload_flags variable that doesn't seem 212 * to be used anywhere, can probably be removed? 213 */ 214 215 #define IBMVNIC_TCP_CHKSUM 0x20 216 #define IBMVNIC_UDP_CHKSUM 0x08 217 218 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 219 220 struct ibmvnic_tx_desc { 221 u8 first; 222 u8 type; 223 224 #define IBMVNIC_TX_DESC 0x10 225 u8 n_crq_elem; 226 u8 n_sge; 227 u8 flags1; 228 #define IBMVNIC_TX_COMP_NEEDED 0x80 229 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 230 #define IBMVNIC_TX_LSO 0x20 231 #define IBMVNIC_TX_PROT_TCP 0x10 232 #define IBMVNIC_TX_PROT_UDP 0x08 233 #define IBMVNIC_TX_PROT_IPV4 0x04 234 #define IBMVNIC_TX_PROT_IPV6 0x02 235 #define IBMVNIC_TX_VLAN_PRESENT 0x01 236 u8 flags2; 237 #define IBMVNIC_TX_VLAN_INSERT 0x80 238 __be16 mss; 239 u8 reserved[4]; 240 __be32 correlator; 241 __be16 vlan_id; 242 __be16 dma_reg; 243 __be32 sge_len; 244 __be64 ioba; 245 } __packed __aligned(8); 246 247 struct ibmvnic_hdr_desc { 248 u8 first; 249 u8 type; 250 #define IBMVNIC_HDR_DESC 0x11 251 u8 len; 252 u8 l2_len; 253 __be16 l3_len; 254 u8 l4_len; 255 u8 flag; 256 u8 data[24]; 257 } __packed __aligned(8); 258 259 struct ibmvnic_hdr_ext_desc { 260 u8 first; 261 u8 type; 262 #define IBMVNIC_HDR_EXT_DESC 0x12 263 u8 len; 264 u8 data[29]; 265 } __packed __aligned(8); 266 267 struct ibmvnic_sge_desc { 268 u8 first; 269 u8 type; 270 #define IBMVNIC_SGE_DESC 0x30 271 __be16 sge1_dma_reg; 272 __be32 sge1_len; 273 __be64 sge1_ioba; 274 __be16 reserved; 275 __be16 sge2_dma_reg; 276 __be32 sge2_len; 277 __be64 sge2_ioba; 278 } __packed __aligned(8); 279 280 struct ibmvnic_rx_comp_desc { 281 u8 first; 282 u8 flags; 283 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 284 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 285 #define IBMVNIC_END_FRAME 0x20 286 #define IBMVNIC_EXACT_MC 0x10 287 #define IBMVNIC_VLAN_STRIPPED 0x08 288 __be16 off_frame_data; 289 __be32 len; 290 __be64 correlator; 291 __be16 vlan_tci; 292 __be16 rc; 293 u8 reserved[12]; 294 } __packed __aligned(8); 295 296 struct ibmvnic_generic_scrq { 297 u8 first; 298 u8 reserved[31]; 299 } __packed __aligned(8); 300 301 struct ibmvnic_rx_buff_add_desc { 302 u8 first; 303 u8 reserved[7]; 304 __be64 correlator; 305 __be32 ioba; 306 u8 map_id; 307 __be32 len:24; 308 u8 reserved2[8]; 309 } __packed __aligned(8); 310 311 struct ibmvnic_rc { 312 u8 code; /* one of enum ibmvnic_rc_codes */ 313 u8 detailed_data[3]; 314 } __packed __aligned(4); 315 316 struct ibmvnic_generic_crq { 317 u8 first; 318 u8 cmd; 319 u8 params[10]; 320 struct ibmvnic_rc rc; 321 } __packed __aligned(8); 322 323 struct ibmvnic_version_exchange { 324 u8 first; 325 u8 cmd; 326 __be16 version; 327 #define IBMVNIC_INITIAL_VERSION 1 328 u8 reserved[8]; 329 struct ibmvnic_rc rc; 330 } __packed __aligned(8); 331 332 struct ibmvnic_capability { 333 u8 first; 334 u8 cmd; 335 __be16 capability; /* one of ibmvnic_capabilities */ 336 __be64 number; 337 struct ibmvnic_rc rc; 338 } __packed __aligned(8); 339 340 struct ibmvnic_login { 341 u8 first; 342 u8 cmd; 343 u8 reserved[6]; 344 __be32 ioba; 345 __be32 len; 346 } __packed __aligned(8); 347 348 struct ibmvnic_phys_parms { 349 u8 first; 350 u8 cmd; 351 u8 flags1; 352 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 353 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 354 #define IBMVNIC_PROMISC 0x20 355 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 356 #define IBMVNIC_AUTONEG_DUPLEX 0x08 357 #define IBMVNIC_FULL_DUPLEX 0x04 358 #define IBMVNIC_HALF_DUPLEX 0x02 359 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 360 u8 flags2; 361 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 362 __be32 speed; 363 #define IBMVNIC_AUTONEG 0x80 364 #define IBMVNIC_10MBPS 0x40 365 #define IBMVNIC_100MBPS 0x20 366 #define IBMVNIC_1GBPS 0x10 367 #define IBMVNIC_10GBPS 0x08 368 __be32 mtu; 369 struct ibmvnic_rc rc; 370 } __packed __aligned(8); 371 372 struct ibmvnic_logical_link_state { 373 u8 first; 374 u8 cmd; 375 u8 link_state; 376 #define IBMVNIC_LOGICAL_LNK_DN 0x00 377 #define IBMVNIC_LOGICAL_LNK_UP 0x01 378 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff 379 u8 reserved[9]; 380 struct ibmvnic_rc rc; 381 } __packed __aligned(8); 382 383 struct ibmvnic_query_ip_offload { 384 u8 first; 385 u8 cmd; 386 u8 reserved[2]; 387 __be32 len; 388 __be32 ioba; 389 struct ibmvnic_rc rc; 390 } __packed __aligned(8); 391 392 struct ibmvnic_control_ip_offload { 393 u8 first; 394 u8 cmd; 395 u8 reserved[2]; 396 __be32 ioba; 397 __be32 len; 398 struct ibmvnic_rc rc; 399 } __packed __aligned(8); 400 401 struct ibmvnic_request_dump_size { 402 u8 first; 403 u8 cmd; 404 u8 reserved[6]; 405 __be32 len; 406 struct ibmvnic_rc rc; 407 } __packed __aligned(8); 408 409 struct ibmvnic_request_dump { 410 u8 first; 411 u8 cmd; 412 u8 reserved1[2]; 413 __be32 ioba; 414 __be32 len; 415 u8 reserved2[4]; 416 } __packed __aligned(8); 417 418 struct ibmvnic_request_dump_rsp { 419 u8 first; 420 u8 cmd; 421 u8 reserved[6]; 422 __be32 dumped_len; 423 struct ibmvnic_rc rc; 424 } __packed __aligned(8); 425 426 struct ibmvnic_request_ras_comp_num { 427 u8 first; 428 u8 cmd; 429 u8 reserved1[2]; 430 __be32 num_components; 431 u8 reserved2[4]; 432 struct ibmvnic_rc rc; 433 } __packed __aligned(8); 434 435 struct ibmvnic_request_ras_comps { 436 u8 first; 437 u8 cmd; 438 u8 reserved[2]; 439 __be32 ioba; 440 __be32 len; 441 struct ibmvnic_rc rc; 442 } __packed __aligned(8); 443 444 struct ibmvnic_control_ras { 445 u8 first; 446 u8 cmd; 447 u8 correlator; 448 u8 level; 449 u8 op; 450 #define IBMVNIC_TRACE_LEVEL 1 451 #define IBMVNIC_ERROR_LEVEL 2 452 #define IBMVNIC_TRACE_PAUSE 3 453 #define IBMVNIC_TRACE_RESUME 4 454 #define IBMVNIC_TRACE_ON 5 455 #define IBMVNIC_TRACE_OFF 6 456 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 457 u8 trace_buff_sz[3]; 458 u8 reserved[4]; 459 struct ibmvnic_rc rc; 460 } __packed __aligned(8); 461 462 struct ibmvnic_collect_fw_trace { 463 u8 first; 464 u8 cmd; 465 u8 correlator; 466 u8 reserved; 467 __be32 ioba; 468 __be32 len; 469 struct ibmvnic_rc rc; 470 } __packed __aligned(8); 471 472 struct ibmvnic_request_statistics { 473 u8 first; 474 u8 cmd; 475 u8 flags; 476 #define IBMVNIC_PHYSICAL_PORT 0x80 477 u8 reserved1; 478 __be32 ioba; 479 __be32 len; 480 u8 reserved[4]; 481 } __packed __aligned(8); 482 483 struct ibmvnic_request_debug_stats { 484 u8 first; 485 u8 cmd; 486 u8 reserved[2]; 487 __be32 ioba; 488 __be32 len; 489 struct ibmvnic_rc rc; 490 } __packed __aligned(8); 491 492 struct ibmvnic_error_indication { 493 u8 first; 494 u8 cmd; 495 u8 flags; 496 #define IBMVNIC_FATAL_ERROR 0x80 497 u8 reserved1; 498 __be32 error_id; 499 __be32 detail_error_sz; 500 __be16 error_cause; 501 u8 reserved2[2]; 502 } __packed __aligned(8); 503 504 struct ibmvnic_request_error_info { 505 u8 first; 506 u8 cmd; 507 u8 reserved[2]; 508 __be32 ioba; 509 __be32 len; 510 __be32 error_id; 511 } __packed __aligned(8); 512 513 struct ibmvnic_request_error_rsp { 514 u8 first; 515 u8 cmd; 516 u8 reserved[2]; 517 __be32 error_id; 518 __be32 len; 519 struct ibmvnic_rc rc; 520 } __packed __aligned(8); 521 522 struct ibmvnic_link_state_indication { 523 u8 first; 524 u8 cmd; 525 u8 reserved1[2]; 526 u8 phys_link_state; 527 u8 logical_link_state; 528 u8 reserved2[10]; 529 } __packed __aligned(8); 530 531 struct ibmvnic_change_mac_addr { 532 u8 first; 533 u8 cmd; 534 u8 mac_addr[6]; 535 u8 reserved[4]; 536 struct ibmvnic_rc rc; 537 } __packed __aligned(8); 538 539 struct ibmvnic_multicast_ctrl { 540 u8 first; 541 u8 cmd; 542 u8 mac_addr[6]; 543 u8 flags; 544 #define IBMVNIC_ENABLE_MC 0x80 545 #define IBMVNIC_DISABLE_MC 0x40 546 #define IBMVNIC_ENABLE_ALL 0x20 547 #define IBMVNIC_DISABLE_ALL 0x10 548 u8 reserved1; 549 __be16 reserved2; /* was num_enabled_mc_addr; */ 550 struct ibmvnic_rc rc; 551 } __packed __aligned(8); 552 553 struct ibmvnic_get_vpd_size_rsp { 554 u8 first; 555 u8 cmd; 556 u8 reserved[2]; 557 __be64 len; 558 struct ibmvnic_rc rc; 559 } __packed __aligned(8); 560 561 struct ibmvnic_get_vpd { 562 u8 first; 563 u8 cmd; 564 u8 reserved1[2]; 565 __be32 ioba; 566 __be32 len; 567 u8 reserved[4]; 568 } __packed __aligned(8); 569 570 struct ibmvnic_acl_change_indication { 571 u8 first; 572 u8 cmd; 573 __be16 change_type; 574 #define IBMVNIC_MAC_ACL 0 575 #define IBMVNIC_VLAN_ACL 1 576 u8 reserved[12]; 577 } __packed __aligned(8); 578 579 struct ibmvnic_acl_query { 580 u8 first; 581 u8 cmd; 582 u8 reserved1[2]; 583 __be32 ioba; 584 __be32 len; 585 u8 reserved2[4]; 586 } __packed __aligned(8); 587 588 struct ibmvnic_tune { 589 u8 first; 590 u8 cmd; 591 u8 reserved1[2]; 592 __be32 ioba; 593 __be32 len; 594 u8 reserved2[4]; 595 } __packed __aligned(8); 596 597 struct ibmvnic_request_map { 598 u8 first; 599 u8 cmd; 600 u8 reserved1; 601 u8 map_id; 602 __be32 ioba; 603 __be32 len; 604 u8 reserved2[4]; 605 } __packed __aligned(8); 606 607 struct ibmvnic_request_map_rsp { 608 u8 first; 609 u8 cmd; 610 u8 reserved1; 611 u8 map_id; 612 u8 reserved2[8]; 613 struct ibmvnic_rc rc; 614 } __packed __aligned(8); 615 616 struct ibmvnic_request_unmap { 617 u8 first; 618 u8 cmd; 619 u8 reserved1; 620 u8 map_id; 621 u8 reserved2[12]; 622 } __packed __aligned(8); 623 624 struct ibmvnic_request_unmap_rsp { 625 u8 first; 626 u8 cmd; 627 u8 reserved1; 628 u8 map_id; 629 u8 reserved2[8]; 630 struct ibmvnic_rc rc; 631 } __packed __aligned(8); 632 633 struct ibmvnic_query_map { 634 u8 first; 635 u8 cmd; 636 u8 reserved[14]; 637 } __packed __aligned(8); 638 639 struct ibmvnic_query_map_rsp { 640 u8 first; 641 u8 cmd; 642 u8 reserved; 643 u8 page_size; 644 __be32 tot_pages; 645 __be32 free_pages; 646 struct ibmvnic_rc rc; 647 } __packed __aligned(8); 648 649 union ibmvnic_crq { 650 struct ibmvnic_generic_crq generic; 651 struct ibmvnic_version_exchange version_exchange; 652 struct ibmvnic_version_exchange version_exchange_rsp; 653 struct ibmvnic_capability query_capability; 654 struct ibmvnic_capability query_capability_rsp; 655 struct ibmvnic_capability request_capability; 656 struct ibmvnic_capability request_capability_rsp; 657 struct ibmvnic_login login; 658 struct ibmvnic_generic_crq login_rsp; 659 struct ibmvnic_phys_parms query_phys_parms; 660 struct ibmvnic_phys_parms query_phys_parms_rsp; 661 struct ibmvnic_phys_parms query_phys_capabilities; 662 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 663 struct ibmvnic_phys_parms set_phys_parms; 664 struct ibmvnic_phys_parms set_phys_parms_rsp; 665 struct ibmvnic_logical_link_state logical_link_state; 666 struct ibmvnic_logical_link_state logical_link_state_rsp; 667 struct ibmvnic_query_ip_offload query_ip_offload; 668 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 669 struct ibmvnic_control_ip_offload control_ip_offload; 670 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 671 struct ibmvnic_request_dump_size request_dump_size; 672 struct ibmvnic_request_dump_size request_dump_size_rsp; 673 struct ibmvnic_request_dump request_dump; 674 struct ibmvnic_request_dump_rsp request_dump_rsp; 675 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 676 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 677 struct ibmvnic_request_ras_comps request_ras_comps; 678 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 679 struct ibmvnic_control_ras control_ras; 680 struct ibmvnic_control_ras control_ras_rsp; 681 struct ibmvnic_collect_fw_trace collect_fw_trace; 682 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 683 struct ibmvnic_request_statistics request_statistics; 684 struct ibmvnic_generic_crq request_statistics_rsp; 685 struct ibmvnic_request_debug_stats request_debug_stats; 686 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 687 struct ibmvnic_error_indication error_indication; 688 struct ibmvnic_request_error_info request_error_info; 689 struct ibmvnic_request_error_rsp request_error_rsp; 690 struct ibmvnic_link_state_indication link_state_indication; 691 struct ibmvnic_change_mac_addr change_mac_addr; 692 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 693 struct ibmvnic_multicast_ctrl multicast_ctrl; 694 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 695 struct ibmvnic_generic_crq get_vpd_size; 696 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 697 struct ibmvnic_get_vpd get_vpd; 698 struct ibmvnic_generic_crq get_vpd_rsp; 699 struct ibmvnic_acl_change_indication acl_change_indication; 700 struct ibmvnic_acl_query acl_query; 701 struct ibmvnic_generic_crq acl_query_rsp; 702 struct ibmvnic_tune tune; 703 struct ibmvnic_generic_crq tune_rsp; 704 struct ibmvnic_request_map request_map; 705 struct ibmvnic_request_map_rsp request_map_rsp; 706 struct ibmvnic_request_unmap request_unmap; 707 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 708 struct ibmvnic_query_map query_map; 709 struct ibmvnic_query_map_rsp query_map_rsp; 710 }; 711 712 enum ibmvnic_rc_codes { 713 SUCCESS = 0, 714 PARTIALSUCCESS = 1, 715 PERMISSION = 2, 716 NOMEMORY = 3, 717 PARAMETER = 4, 718 UNKNOWNCOMMAND = 5, 719 ABORTED = 6, 720 INVALIDSTATE = 7, 721 INVALIDIOBA = 8, 722 INVALIDLENGTH = 9, 723 UNSUPPORTEDOPTION = 10, 724 }; 725 726 enum ibmvnic_capabilities { 727 MIN_TX_QUEUES = 1, 728 MIN_RX_QUEUES = 2, 729 MIN_RX_ADD_QUEUES = 3, 730 MAX_TX_QUEUES = 4, 731 MAX_RX_QUEUES = 5, 732 MAX_RX_ADD_QUEUES = 6, 733 REQ_TX_QUEUES = 7, 734 REQ_RX_QUEUES = 8, 735 REQ_RX_ADD_QUEUES = 9, 736 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 737 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 738 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 739 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 740 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 741 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 742 TCP_IP_OFFLOAD = 16, 743 PROMISC_REQUESTED = 17, 744 PROMISC_SUPPORTED = 18, 745 MIN_MTU = 19, 746 MAX_MTU = 20, 747 REQ_MTU = 21, 748 MAX_MULTICAST_FILTERS = 22, 749 VLAN_HEADER_INSERTION = 23, 750 RX_VLAN_HEADER_INSERTION = 24, 751 MAX_TX_SG_ENTRIES = 25, 752 RX_SG_SUPPORTED = 26, 753 RX_SG_REQUESTED = 27, 754 OPT_TX_COMP_SUB_QUEUES = 28, 755 OPT_RX_COMP_QUEUES = 29, 756 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 757 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 758 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 759 TX_RX_DESC_REQ = 33, 760 }; 761 762 enum ibmvnic_error_cause { 763 ADAPTER_PROBLEM = 0, 764 BUS_PROBLEM = 1, 765 FW_PROBLEM = 2, 766 DD_PROBLEM = 3, 767 EEH_RECOVERY = 4, 768 FW_UPDATED = 5, 769 LOW_MEMORY = 6, 770 }; 771 772 enum ibmvnic_commands { 773 VERSION_EXCHANGE = 0x01, 774 VERSION_EXCHANGE_RSP = 0x81, 775 QUERY_CAPABILITY = 0x02, 776 QUERY_CAPABILITY_RSP = 0x82, 777 REQUEST_CAPABILITY = 0x03, 778 REQUEST_CAPABILITY_RSP = 0x83, 779 LOGIN = 0x04, 780 LOGIN_RSP = 0x84, 781 QUERY_PHYS_PARMS = 0x05, 782 QUERY_PHYS_PARMS_RSP = 0x85, 783 QUERY_PHYS_CAPABILITIES = 0x06, 784 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 785 SET_PHYS_PARMS = 0x07, 786 SET_PHYS_PARMS_RSP = 0x87, 787 ERROR_INDICATION = 0x08, 788 REQUEST_ERROR_INFO = 0x09, 789 REQUEST_ERROR_RSP = 0x89, 790 LOGICAL_LINK_STATE = 0x0C, 791 LOGICAL_LINK_STATE_RSP = 0x8C, 792 REQUEST_STATISTICS = 0x0D, 793 REQUEST_STATISTICS_RSP = 0x8D, 794 COLLECT_FW_TRACE = 0x11, 795 COLLECT_FW_TRACE_RSP = 0x91, 796 LINK_STATE_INDICATION = 0x12, 797 CHANGE_MAC_ADDR = 0x13, 798 CHANGE_MAC_ADDR_RSP = 0x93, 799 MULTICAST_CTRL = 0x14, 800 MULTICAST_CTRL_RSP = 0x94, 801 GET_VPD_SIZE = 0x15, 802 GET_VPD_SIZE_RSP = 0x95, 803 GET_VPD = 0x16, 804 GET_VPD_RSP = 0x96, 805 TUNE = 0x17, 806 TUNE_RSP = 0x97, 807 QUERY_IP_OFFLOAD = 0x18, 808 QUERY_IP_OFFLOAD_RSP = 0x98, 809 CONTROL_IP_OFFLOAD = 0x19, 810 CONTROL_IP_OFFLOAD_RSP = 0x99, 811 ACL_CHANGE_INDICATION = 0x1A, 812 ACL_QUERY = 0x1B, 813 ACL_QUERY_RSP = 0x9B, 814 QUERY_MAP = 0x1D, 815 QUERY_MAP_RSP = 0x9D, 816 REQUEST_MAP = 0x1E, 817 REQUEST_MAP_RSP = 0x9E, 818 REQUEST_UNMAP = 0x1F, 819 REQUEST_UNMAP_RSP = 0x9F, 820 VLAN_CTRL = 0x20, 821 VLAN_CTRL_RSP = 0xA0, 822 }; 823 824 enum ibmvnic_crq_type { 825 IBMVNIC_CRQ_CMD = 0x80, 826 IBMVNIC_CRQ_CMD_RSP = 0x80, 827 IBMVNIC_CRQ_INIT_CMD = 0xC0, 828 IBMVNIC_CRQ_INIT_RSP = 0xC0, 829 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 830 }; 831 832 enum ibmvfc_crq_format { 833 IBMVNIC_CRQ_INIT = 0x01, 834 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 835 IBMVNIC_PARTITION_MIGRATED = 0x06, 836 IBMVNIC_DEVICE_FAILOVER = 0x08, 837 }; 838 839 struct ibmvnic_crq_queue { 840 union ibmvnic_crq *msgs; 841 int size, cur; 842 dma_addr_t msg_token; 843 spinlock_t lock; 844 }; 845 846 union sub_crq { 847 struct ibmvnic_generic_scrq generic; 848 struct ibmvnic_tx_comp_desc tx_comp; 849 struct ibmvnic_tx_desc v1; 850 struct ibmvnic_hdr_desc hdr; 851 struct ibmvnic_hdr_ext_desc hdr_ext; 852 struct ibmvnic_sge_desc sge; 853 struct ibmvnic_rx_comp_desc rx_comp; 854 struct ibmvnic_rx_buff_add_desc rx_add; 855 }; 856 857 struct ibmvnic_sub_crq_queue { 858 union sub_crq *msgs; 859 int size, cur; 860 dma_addr_t msg_token; 861 unsigned long crq_num; 862 unsigned long hw_irq; 863 unsigned int irq; 864 unsigned int pool_index; 865 int scrq_num; 866 spinlock_t lock; 867 struct sk_buff *rx_skb_top; 868 struct ibmvnic_adapter *adapter; 869 atomic_t used; 870 }; 871 872 struct ibmvnic_long_term_buff { 873 unsigned char *buff; 874 dma_addr_t addr; 875 u64 size; 876 u8 map_id; 877 }; 878 879 struct ibmvnic_tx_buff { 880 struct sk_buff *skb; 881 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 882 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 883 int index; 884 int pool_index; 885 bool last_frag; 886 union sub_crq indir_arr[6]; 887 u8 hdr_data[140]; 888 dma_addr_t indir_dma; 889 }; 890 891 struct ibmvnic_tx_pool { 892 struct ibmvnic_tx_buff *tx_buff; 893 int *free_map; 894 int consumer_index; 895 int producer_index; 896 wait_queue_head_t ibmvnic_tx_comp_q; 897 struct task_struct *work_thread; 898 struct ibmvnic_long_term_buff long_term_buff; 899 }; 900 901 struct ibmvnic_rx_buff { 902 struct sk_buff *skb; 903 dma_addr_t dma; 904 unsigned char *data; 905 int size; 906 int pool_index; 907 }; 908 909 struct ibmvnic_rx_pool { 910 struct ibmvnic_rx_buff *rx_buff; 911 int size; 912 int index; 913 int buff_size; 914 atomic_t available; 915 int *free_map; 916 int next_free; 917 int next_alloc; 918 int active; 919 struct ibmvnic_long_term_buff long_term_buff; 920 }; 921 922 struct ibmvnic_error_buff { 923 char *buff; 924 dma_addr_t dma; 925 int len; 926 struct list_head list; 927 __be32 error_id; 928 }; 929 930 enum vnic_state {VNIC_PROBING = 1, 931 VNIC_PROBED, 932 VNIC_OPENING, 933 VNIC_OPEN, 934 VNIC_CLOSING, 935 VNIC_CLOSED, 936 VNIC_REMOVING, 937 VNIC_REMOVED}; 938 939 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 940 VNIC_RESET_MOBILITY, 941 VNIC_RESET_FATAL, 942 VNIC_RESET_NON_FATAL, 943 VNIC_RESET_TIMEOUT}; 944 945 struct ibmvnic_rwi { 946 enum ibmvnic_reset_reason reset_reason; 947 struct list_head list; 948 }; 949 950 struct ibmvnic_adapter { 951 struct vio_dev *vdev; 952 struct net_device *netdev; 953 struct ibmvnic_crq_queue crq; 954 u8 mac_addr[ETH_ALEN]; 955 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 956 dma_addr_t ip_offload_tok; 957 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 958 dma_addr_t ip_offload_ctrl_tok; 959 u32 msg_enable; 960 961 /* Statistics */ 962 struct ibmvnic_statistics stats; 963 dma_addr_t stats_token; 964 struct completion stats_done; 965 spinlock_t stats_lock; 966 int replenish_no_mem; 967 int replenish_add_buff_success; 968 int replenish_add_buff_failure; 969 int replenish_task_cycles; 970 int tx_send_failed; 971 int tx_map_failed; 972 973 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 974 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 975 976 int phys_link_state; 977 int logical_link_state; 978 979 /* login data */ 980 struct ibmvnic_login_buffer *login_buf; 981 dma_addr_t login_buf_token; 982 int login_buf_sz; 983 984 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 985 dma_addr_t login_rsp_buf_token; 986 int login_rsp_buf_sz; 987 988 atomic_t running_cap_crqs; 989 bool wait_capability; 990 991 struct ibmvnic_sub_crq_queue **tx_scrq; 992 struct ibmvnic_sub_crq_queue **rx_scrq; 993 bool renegotiate; 994 995 /* rx structs */ 996 struct napi_struct *napi; 997 struct ibmvnic_rx_pool *rx_pool; 998 u64 promisc; 999 1000 struct ibmvnic_tx_pool *tx_pool; 1001 struct completion init_done; 1002 int init_done_rc; 1003 1004 struct list_head errors; 1005 spinlock_t error_list_lock; 1006 1007 struct completion fw_done; 1008 int fw_done_rc; 1009 1010 /* partner capabilities */ 1011 u64 min_tx_queues; 1012 u64 min_rx_queues; 1013 u64 min_rx_add_queues; 1014 u64 max_tx_queues; 1015 u64 max_rx_queues; 1016 u64 max_rx_add_queues; 1017 u64 req_tx_queues; 1018 u64 req_rx_queues; 1019 u64 req_rx_add_queues; 1020 u64 min_tx_entries_per_subcrq; 1021 u64 min_rx_add_entries_per_subcrq; 1022 u64 max_tx_entries_per_subcrq; 1023 u64 max_rx_add_entries_per_subcrq; 1024 u64 req_tx_entries_per_subcrq; 1025 u64 req_rx_add_entries_per_subcrq; 1026 u64 tcp_ip_offload; 1027 u64 promisc_requested; 1028 u64 promisc_supported; 1029 u64 min_mtu; 1030 u64 max_mtu; 1031 u64 req_mtu; 1032 u64 max_multicast_filters; 1033 u64 vlan_header_insertion; 1034 u64 rx_vlan_header_insertion; 1035 u64 max_tx_sg_entries; 1036 u64 rx_sg_supported; 1037 u64 rx_sg_requested; 1038 u64 opt_tx_comp_sub_queues; 1039 u64 opt_rx_comp_queues; 1040 u64 opt_rx_bufadd_q_per_rx_comp_q; 1041 u64 opt_tx_entries_per_subcrq; 1042 u64 opt_rxba_entries_per_subcrq; 1043 __be64 tx_rx_desc_req; 1044 u8 map_id; 1045 1046 struct tasklet_struct tasklet; 1047 enum vnic_state state; 1048 enum ibmvnic_reset_reason reset_reason; 1049 struct mutex reset_lock, rwi_lock; 1050 struct list_head rwi_list; 1051 struct work_struct ibmvnic_reset; 1052 bool resetting; 1053 bool napi_enabled, from_passive_init; 1054 }; 1055