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" 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 struct ibmvnic_acl_buffer { 170 __be32 len; 171 __be32 version; 172 #define INITIAL_VERSION_IOB 1 173 u8 mac_acls_restrict; 174 u8 vlan_acls_restrict; 175 u8 reserved1[22]; 176 __be32 num_mac_addrs; 177 __be32 offset_mac_addrs; 178 __be32 num_vlan_ids; 179 __be32 offset_vlan_ids; 180 u8 reserved2[80]; 181 } __packed __aligned(8); 182 183 /* descriptors have been changed, how should this be defined? 1? 4? */ 184 185 #define IBMVNIC_TX_DESC_VERSIONS 3 186 187 /* is this still needed? */ 188 struct ibmvnic_tx_comp_desc { 189 u8 first; 190 u8 num_comps; 191 __be16 rcs[5]; 192 __be32 correlators[5]; 193 } __packed __aligned(8); 194 195 /* some flags that included in v0 descriptor, which is gone 196 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 197 * and only in some offload_flags variable that doesn't seem 198 * to be used anywhere, can probably be removed? 199 */ 200 201 #define IBMVNIC_TCP_CHKSUM 0x20 202 #define IBMVNIC_UDP_CHKSUM 0x08 203 204 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 205 206 struct ibmvnic_tx_desc { 207 u8 first; 208 u8 type; 209 210 #define IBMVNIC_TX_DESC 0x10 211 u8 n_crq_elem; 212 u8 n_sge; 213 u8 flags1; 214 #define IBMVNIC_TX_COMP_NEEDED 0x80 215 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 216 #define IBMVNIC_TX_LSO 0x20 217 #define IBMVNIC_TX_PROT_TCP 0x10 218 #define IBMVNIC_TX_PROT_UDP 0x08 219 #define IBMVNIC_TX_PROT_IPV4 0x04 220 #define IBMVNIC_TX_PROT_IPV6 0x02 221 #define IBMVNIC_TX_VLAN_PRESENT 0x01 222 u8 flags2; 223 #define IBMVNIC_TX_VLAN_INSERT 0x80 224 __be16 mss; 225 u8 reserved[4]; 226 __be32 correlator; 227 __be16 vlan_id; 228 __be16 dma_reg; 229 __be32 sge_len; 230 __be64 ioba; 231 } __packed __aligned(8); 232 233 struct ibmvnic_hdr_desc { 234 u8 first; 235 u8 type; 236 #define IBMVNIC_HDR_DESC 0x11 237 u8 len; 238 u8 l2_len; 239 __be16 l3_len; 240 u8 l4_len; 241 u8 flag; 242 u8 data[24]; 243 } __packed __aligned(8); 244 245 struct ibmvnic_hdr_ext_desc { 246 u8 first; 247 u8 type; 248 #define IBMVNIC_HDR_EXT_DESC 0x12 249 u8 len; 250 u8 data[29]; 251 } __packed __aligned(8); 252 253 struct ibmvnic_sge_desc { 254 u8 first; 255 u8 type; 256 #define IBMVNIC_SGE_DESC 0x30 257 __be16 sge1_dma_reg; 258 __be32 sge1_len; 259 __be64 sge1_ioba; 260 __be16 reserved; 261 __be16 sge2_dma_reg; 262 __be32 sge2_len; 263 __be64 sge2_ioba; 264 } __packed __aligned(8); 265 266 struct ibmvnic_rx_comp_desc { 267 u8 first; 268 u8 flags; 269 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 270 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 271 #define IBMVNIC_END_FRAME 0x20 272 #define IBMVNIC_EXACT_MC 0x10 273 #define IBMVNIC_VLAN_STRIPPED 0x08 274 __be16 off_frame_data; 275 __be32 len; 276 __be64 correlator; 277 __be16 vlan_tci; 278 __be16 rc; 279 u8 reserved[12]; 280 } __packed __aligned(8); 281 282 struct ibmvnic_generic_scrq { 283 u8 first; 284 u8 reserved[31]; 285 } __packed __aligned(8); 286 287 struct ibmvnic_rx_buff_add_desc { 288 u8 first; 289 u8 reserved[7]; 290 __be64 correlator; 291 __be32 ioba; 292 u8 map_id; 293 __be32 len:24; 294 u8 reserved2[8]; 295 } __packed __aligned(8); 296 297 struct ibmvnic_rc { 298 u8 code; /* one of enum ibmvnic_rc_codes */ 299 u8 detailed_data[3]; 300 } __packed __aligned(4); 301 302 struct ibmvnic_generic_crq { 303 u8 first; 304 u8 cmd; 305 u8 params[10]; 306 struct ibmvnic_rc rc; 307 } __packed __aligned(8); 308 309 struct ibmvnic_version_exchange { 310 u8 first; 311 u8 cmd; 312 __be16 version; 313 #define IBMVNIC_INITIAL_VERSION 1 314 u8 reserved[8]; 315 struct ibmvnic_rc rc; 316 } __packed __aligned(8); 317 318 struct ibmvnic_capability { 319 u8 first; 320 u8 cmd; 321 __be16 capability; /* one of ibmvnic_capabilities */ 322 __be64 number; 323 struct ibmvnic_rc rc; 324 } __packed __aligned(8); 325 326 struct ibmvnic_login { 327 u8 first; 328 u8 cmd; 329 u8 reserved[6]; 330 __be32 ioba; 331 __be32 len; 332 } __packed __aligned(8); 333 334 struct ibmvnic_phys_parms { 335 u8 first; 336 u8 cmd; 337 u8 flags1; 338 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 339 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 340 #define IBMVNIC_PROMISC 0x20 341 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 342 #define IBMVNIC_AUTONEG_DUPLEX 0x08 343 #define IBMVNIC_FULL_DUPLEX 0x04 344 #define IBMVNIC_HALF_DUPLEX 0x02 345 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 346 u8 flags2; 347 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 348 __be32 speed; 349 #define IBMVNIC_AUTONEG 0x80 350 #define IBMVNIC_10MBPS 0x40 351 #define IBMVNIC_100MBPS 0x20 352 #define IBMVNIC_1GBPS 0x10 353 #define IBMVNIC_10GBPS 0x08 354 __be32 mtu; 355 struct ibmvnic_rc rc; 356 } __packed __aligned(8); 357 358 struct ibmvnic_logical_link_state { 359 u8 first; 360 u8 cmd; 361 u8 link_state; 362 #define IBMVNIC_LOGICAL_LNK_DN 0x00 363 #define IBMVNIC_LOGICAL_LNK_UP 0x01 364 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff 365 u8 reserved[9]; 366 struct ibmvnic_rc rc; 367 } __packed __aligned(8); 368 369 struct ibmvnic_query_ip_offload { 370 u8 first; 371 u8 cmd; 372 u8 reserved[2]; 373 __be32 len; 374 __be32 ioba; 375 struct ibmvnic_rc rc; 376 } __packed __aligned(8); 377 378 struct ibmvnic_control_ip_offload { 379 u8 first; 380 u8 cmd; 381 u8 reserved[2]; 382 __be32 ioba; 383 __be32 len; 384 struct ibmvnic_rc rc; 385 } __packed __aligned(8); 386 387 struct ibmvnic_request_dump_size { 388 u8 first; 389 u8 cmd; 390 u8 reserved[6]; 391 __be32 len; 392 struct ibmvnic_rc rc; 393 } __packed __aligned(8); 394 395 struct ibmvnic_request_dump { 396 u8 first; 397 u8 cmd; 398 u8 reserved1[2]; 399 __be32 ioba; 400 __be32 len; 401 u8 reserved2[4]; 402 } __packed __aligned(8); 403 404 struct ibmvnic_request_dump_rsp { 405 u8 first; 406 u8 cmd; 407 u8 reserved[6]; 408 __be32 dumped_len; 409 struct ibmvnic_rc rc; 410 } __packed __aligned(8); 411 412 struct ibmvnic_request_ras_comp_num { 413 u8 first; 414 u8 cmd; 415 u8 reserved1[2]; 416 __be32 num_components; 417 u8 reserved2[4]; 418 struct ibmvnic_rc rc; 419 } __packed __aligned(8); 420 421 struct ibmvnic_request_ras_comps { 422 u8 first; 423 u8 cmd; 424 u8 reserved[2]; 425 __be32 ioba; 426 __be32 len; 427 struct ibmvnic_rc rc; 428 } __packed __aligned(8); 429 430 struct ibmvnic_control_ras { 431 u8 first; 432 u8 cmd; 433 u8 correlator; 434 u8 level; 435 u8 op; 436 #define IBMVNIC_TRACE_LEVEL 1 437 #define IBMVNIC_ERROR_LEVEL 2 438 #define IBMVNIC_TRACE_PAUSE 3 439 #define IBMVNIC_TRACE_RESUME 4 440 #define IBMVNIC_TRACE_ON 5 441 #define IBMVNIC_TRACE_OFF 6 442 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 443 u8 trace_buff_sz[3]; 444 u8 reserved[4]; 445 struct ibmvnic_rc rc; 446 } __packed __aligned(8); 447 448 struct ibmvnic_collect_fw_trace { 449 u8 first; 450 u8 cmd; 451 u8 correlator; 452 u8 reserved; 453 __be32 ioba; 454 __be32 len; 455 struct ibmvnic_rc rc; 456 } __packed __aligned(8); 457 458 struct ibmvnic_request_statistics { 459 u8 first; 460 u8 cmd; 461 u8 flags; 462 #define IBMVNIC_PHYSICAL_PORT 0x80 463 u8 reserved1; 464 __be32 ioba; 465 __be32 len; 466 u8 reserved[4]; 467 } __packed __aligned(8); 468 469 struct ibmvnic_request_debug_stats { 470 u8 first; 471 u8 cmd; 472 u8 reserved[2]; 473 __be32 ioba; 474 __be32 len; 475 struct ibmvnic_rc rc; 476 } __packed __aligned(8); 477 478 struct ibmvnic_error_indication { 479 u8 first; 480 u8 cmd; 481 u8 flags; 482 #define IBMVNIC_FATAL_ERROR 0x80 483 u8 reserved1; 484 __be32 error_id; 485 __be32 detail_error_sz; 486 __be16 error_cause; 487 u8 reserved2[2]; 488 } __packed __aligned(8); 489 490 struct ibmvnic_request_error_info { 491 u8 first; 492 u8 cmd; 493 u8 reserved[2]; 494 __be32 ioba; 495 __be32 len; 496 __be32 error_id; 497 } __packed __aligned(8); 498 499 struct ibmvnic_request_error_rsp { 500 u8 first; 501 u8 cmd; 502 u8 reserved[2]; 503 __be32 error_id; 504 __be32 len; 505 struct ibmvnic_rc rc; 506 } __packed __aligned(8); 507 508 struct ibmvnic_link_state_indication { 509 u8 first; 510 u8 cmd; 511 u8 reserved1[2]; 512 u8 phys_link_state; 513 u8 logical_link_state; 514 u8 reserved2[10]; 515 } __packed __aligned(8); 516 517 struct ibmvnic_change_mac_addr { 518 u8 first; 519 u8 cmd; 520 u8 mac_addr[6]; 521 struct ibmvnic_rc rc; 522 u8 reserved[4]; 523 } __packed __aligned(8); 524 525 struct ibmvnic_multicast_ctrl { 526 u8 first; 527 u8 cmd; 528 u8 mac_addr[6]; 529 u8 flags; 530 #define IBMVNIC_ENABLE_MC 0x80 531 #define IBMVNIC_DISABLE_MC 0x40 532 #define IBMVNIC_ENABLE_ALL 0x20 533 #define IBMVNIC_DISABLE_ALL 0x10 534 u8 reserved1; 535 __be16 reserved2; /* was num_enabled_mc_addr; */ 536 struct ibmvnic_rc rc; 537 } __packed __aligned(8); 538 539 struct ibmvnic_get_vpd_size_rsp { 540 u8 first; 541 u8 cmd; 542 u8 reserved[2]; 543 __be64 len; 544 struct ibmvnic_rc rc; 545 } __packed __aligned(8); 546 547 struct ibmvnic_get_vpd { 548 u8 first; 549 u8 cmd; 550 u8 reserved1[2]; 551 __be32 ioba; 552 __be32 len; 553 u8 reserved[4]; 554 } __packed __aligned(8); 555 556 struct ibmvnic_acl_change_indication { 557 u8 first; 558 u8 cmd; 559 __be16 change_type; 560 #define IBMVNIC_MAC_ACL 0 561 #define IBMVNIC_VLAN_ACL 1 562 u8 reserved[12]; 563 } __packed __aligned(8); 564 565 struct ibmvnic_acl_query { 566 u8 first; 567 u8 cmd; 568 u8 reserved1[2]; 569 __be32 ioba; 570 __be32 len; 571 u8 reserved2[4]; 572 } __packed __aligned(8); 573 574 struct ibmvnic_tune { 575 u8 first; 576 u8 cmd; 577 u8 reserved1[2]; 578 __be32 ioba; 579 __be32 len; 580 u8 reserved2[4]; 581 } __packed __aligned(8); 582 583 struct ibmvnic_request_map { 584 u8 first; 585 u8 cmd; 586 u8 reserved1; 587 u8 map_id; 588 __be32 ioba; 589 __be32 len; 590 u8 reserved2[4]; 591 } __packed __aligned(8); 592 593 struct ibmvnic_request_map_rsp { 594 u8 first; 595 u8 cmd; 596 u8 reserved1; 597 u8 map_id; 598 u8 reserved2[4]; 599 struct ibmvnic_rc rc; 600 } __packed __aligned(8); 601 602 struct ibmvnic_request_unmap { 603 u8 first; 604 u8 cmd; 605 u8 reserved1; 606 u8 map_id; 607 u8 reserved2[12]; 608 } __packed __aligned(8); 609 610 struct ibmvnic_request_unmap_rsp { 611 u8 first; 612 u8 cmd; 613 u8 reserved1; 614 u8 map_id; 615 u8 reserved2[8]; 616 struct ibmvnic_rc rc; 617 } __packed __aligned(8); 618 619 struct ibmvnic_query_map { 620 u8 first; 621 u8 cmd; 622 u8 reserved[14]; 623 } __packed __aligned(8); 624 625 struct ibmvnic_query_map_rsp { 626 u8 first; 627 u8 cmd; 628 u8 reserved; 629 u8 page_size; 630 __be32 tot_pages; 631 __be32 free_pages; 632 struct ibmvnic_rc rc; 633 } __packed __aligned(8); 634 635 union ibmvnic_crq { 636 struct ibmvnic_generic_crq generic; 637 struct ibmvnic_version_exchange version_exchange; 638 struct ibmvnic_version_exchange version_exchange_rsp; 639 struct ibmvnic_capability query_capability; 640 struct ibmvnic_capability query_capability_rsp; 641 struct ibmvnic_capability request_capability; 642 struct ibmvnic_capability request_capability_rsp; 643 struct ibmvnic_login login; 644 struct ibmvnic_generic_crq login_rsp; 645 struct ibmvnic_phys_parms query_phys_parms; 646 struct ibmvnic_phys_parms query_phys_parms_rsp; 647 struct ibmvnic_phys_parms query_phys_capabilities; 648 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 649 struct ibmvnic_phys_parms set_phys_parms; 650 struct ibmvnic_phys_parms set_phys_parms_rsp; 651 struct ibmvnic_logical_link_state logical_link_state; 652 struct ibmvnic_logical_link_state logical_link_state_rsp; 653 struct ibmvnic_query_ip_offload query_ip_offload; 654 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 655 struct ibmvnic_control_ip_offload control_ip_offload; 656 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 657 struct ibmvnic_request_dump_size request_dump_size; 658 struct ibmvnic_request_dump_size request_dump_size_rsp; 659 struct ibmvnic_request_dump request_dump; 660 struct ibmvnic_request_dump_rsp request_dump_rsp; 661 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 662 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 663 struct ibmvnic_request_ras_comps request_ras_comps; 664 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 665 struct ibmvnic_control_ras control_ras; 666 struct ibmvnic_control_ras control_ras_rsp; 667 struct ibmvnic_collect_fw_trace collect_fw_trace; 668 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 669 struct ibmvnic_request_statistics request_statistics; 670 struct ibmvnic_generic_crq request_statistics_rsp; 671 struct ibmvnic_request_debug_stats request_debug_stats; 672 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 673 struct ibmvnic_error_indication error_indication; 674 struct ibmvnic_request_error_info request_error_info; 675 struct ibmvnic_request_error_rsp request_error_rsp; 676 struct ibmvnic_link_state_indication link_state_indication; 677 struct ibmvnic_change_mac_addr change_mac_addr; 678 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 679 struct ibmvnic_multicast_ctrl multicast_ctrl; 680 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 681 struct ibmvnic_generic_crq get_vpd_size; 682 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 683 struct ibmvnic_get_vpd get_vpd; 684 struct ibmvnic_generic_crq get_vpd_rsp; 685 struct ibmvnic_acl_change_indication acl_change_indication; 686 struct ibmvnic_acl_query acl_query; 687 struct ibmvnic_generic_crq acl_query_rsp; 688 struct ibmvnic_tune tune; 689 struct ibmvnic_generic_crq tune_rsp; 690 struct ibmvnic_request_map request_map; 691 struct ibmvnic_request_map_rsp request_map_rsp; 692 struct ibmvnic_request_unmap request_unmap; 693 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 694 struct ibmvnic_query_map query_map; 695 struct ibmvnic_query_map_rsp query_map_rsp; 696 }; 697 698 enum ibmvnic_rc_codes { 699 SUCCESS = 0, 700 PARTIALSUCCESS = 1, 701 PERMISSION = 2, 702 NOMEMORY = 3, 703 PARAMETER = 4, 704 UNKNOWNCOMMAND = 5, 705 ABORTED = 6, 706 INVALIDSTATE = 7, 707 INVALIDIOBA = 8, 708 INVALIDLENGTH = 9, 709 UNSUPPORTEDOPTION = 10, 710 }; 711 712 enum ibmvnic_capabilities { 713 MIN_TX_QUEUES = 1, 714 MIN_RX_QUEUES = 2, 715 MIN_RX_ADD_QUEUES = 3, 716 MAX_TX_QUEUES = 4, 717 MAX_RX_QUEUES = 5, 718 MAX_RX_ADD_QUEUES = 6, 719 REQ_TX_QUEUES = 7, 720 REQ_RX_QUEUES = 8, 721 REQ_RX_ADD_QUEUES = 9, 722 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 723 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 724 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 725 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 726 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 727 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 728 TCP_IP_OFFLOAD = 16, 729 PROMISC_REQUESTED = 17, 730 PROMISC_SUPPORTED = 18, 731 MIN_MTU = 19, 732 MAX_MTU = 20, 733 REQ_MTU = 21, 734 MAX_MULTICAST_FILTERS = 22, 735 VLAN_HEADER_INSERTION = 23, 736 MAX_TX_SG_ENTRIES = 25, 737 RX_SG_SUPPORTED = 26, 738 RX_SG_REQUESTED = 27, 739 OPT_TX_COMP_SUB_QUEUES = 28, 740 OPT_RX_COMP_QUEUES = 29, 741 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 742 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 743 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 744 TX_RX_DESC_REQ = 33, 745 }; 746 747 enum ibmvnic_error_cause { 748 ADAPTER_PROBLEM = 0, 749 BUS_PROBLEM = 1, 750 FW_PROBLEM = 2, 751 DD_PROBLEM = 3, 752 EEH_RECOVERY = 4, 753 FW_UPDATED = 5, 754 LOW_MEMORY = 6, 755 }; 756 757 enum ibmvnic_commands { 758 VERSION_EXCHANGE = 0x01, 759 VERSION_EXCHANGE_RSP = 0x81, 760 QUERY_CAPABILITY = 0x02, 761 QUERY_CAPABILITY_RSP = 0x82, 762 REQUEST_CAPABILITY = 0x03, 763 REQUEST_CAPABILITY_RSP = 0x83, 764 LOGIN = 0x04, 765 LOGIN_RSP = 0x84, 766 QUERY_PHYS_PARMS = 0x05, 767 QUERY_PHYS_PARMS_RSP = 0x85, 768 QUERY_PHYS_CAPABILITIES = 0x06, 769 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 770 SET_PHYS_PARMS = 0x07, 771 SET_PHYS_PARMS_RSP = 0x87, 772 ERROR_INDICATION = 0x08, 773 REQUEST_ERROR_INFO = 0x09, 774 REQUEST_ERROR_RSP = 0x89, 775 REQUEST_DUMP_SIZE = 0x0A, 776 REQUEST_DUMP_SIZE_RSP = 0x8A, 777 REQUEST_DUMP = 0x0B, 778 REQUEST_DUMP_RSP = 0x8B, 779 LOGICAL_LINK_STATE = 0x0C, 780 LOGICAL_LINK_STATE_RSP = 0x8C, 781 REQUEST_STATISTICS = 0x0D, 782 REQUEST_STATISTICS_RSP = 0x8D, 783 REQUEST_RAS_COMP_NUM = 0x0E, 784 REQUEST_RAS_COMP_NUM_RSP = 0x8E, 785 REQUEST_RAS_COMPS = 0x0F, 786 REQUEST_RAS_COMPS_RSP = 0x8F, 787 CONTROL_RAS = 0x10, 788 CONTROL_RAS_RSP = 0x90, 789 COLLECT_FW_TRACE = 0x11, 790 COLLECT_FW_TRACE_RSP = 0x91, 791 LINK_STATE_INDICATION = 0x12, 792 CHANGE_MAC_ADDR = 0x13, 793 CHANGE_MAC_ADDR_RSP = 0x93, 794 MULTICAST_CTRL = 0x14, 795 MULTICAST_CTRL_RSP = 0x94, 796 GET_VPD_SIZE = 0x15, 797 GET_VPD_SIZE_RSP = 0x95, 798 GET_VPD = 0x16, 799 GET_VPD_RSP = 0x96, 800 TUNE = 0x17, 801 TUNE_RSP = 0x97, 802 QUERY_IP_OFFLOAD = 0x18, 803 QUERY_IP_OFFLOAD_RSP = 0x98, 804 CONTROL_IP_OFFLOAD = 0x19, 805 CONTROL_IP_OFFLOAD_RSP = 0x99, 806 ACL_CHANGE_INDICATION = 0x1A, 807 ACL_QUERY = 0x1B, 808 ACL_QUERY_RSP = 0x9B, 809 REQUEST_DEBUG_STATS = 0x1C, 810 REQUEST_DEBUG_STATS_RSP = 0x9C, 811 QUERY_MAP = 0x1D, 812 QUERY_MAP_RSP = 0x9D, 813 REQUEST_MAP = 0x1E, 814 REQUEST_MAP_RSP = 0x9E, 815 REQUEST_UNMAP = 0x1F, 816 REQUEST_UNMAP_RSP = 0x9F, 817 VLAN_CTRL = 0x20, 818 VLAN_CTRL_RSP = 0xA0, 819 }; 820 821 enum ibmvnic_crq_type { 822 IBMVNIC_CRQ_CMD = 0x80, 823 IBMVNIC_CRQ_CMD_RSP = 0x80, 824 IBMVNIC_CRQ_INIT_CMD = 0xC0, 825 IBMVNIC_CRQ_INIT_RSP = 0xC0, 826 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 827 }; 828 829 enum ibmvfc_crq_format { 830 IBMVNIC_CRQ_INIT = 0x01, 831 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 832 IBMVNIC_PARTITION_MIGRATED = 0x06, 833 }; 834 835 struct ibmvnic_crq_queue { 836 union ibmvnic_crq *msgs; 837 int size, cur; 838 dma_addr_t msg_token; 839 spinlock_t lock; 840 }; 841 842 union sub_crq { 843 struct ibmvnic_generic_scrq generic; 844 struct ibmvnic_tx_comp_desc tx_comp; 845 struct ibmvnic_tx_desc v1; 846 struct ibmvnic_hdr_desc hdr; 847 struct ibmvnic_hdr_ext_desc hdr_ext; 848 struct ibmvnic_sge_desc sge; 849 struct ibmvnic_rx_comp_desc rx_comp; 850 struct ibmvnic_rx_buff_add_desc rx_add; 851 }; 852 853 struct ibmvnic_sub_crq_queue { 854 union sub_crq *msgs; 855 int size, cur; 856 dma_addr_t msg_token; 857 unsigned long crq_num; 858 unsigned long hw_irq; 859 unsigned int irq; 860 unsigned int pool_index; 861 int scrq_num; 862 spinlock_t lock; 863 struct sk_buff *rx_skb_top; 864 struct ibmvnic_adapter *adapter; 865 }; 866 867 struct ibmvnic_long_term_buff { 868 unsigned char *buff; 869 dma_addr_t addr; 870 u64 size; 871 u8 map_id; 872 }; 873 874 struct ibmvnic_tx_buff { 875 struct sk_buff *skb; 876 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 877 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 878 int index; 879 int pool_index; 880 bool last_frag; 881 bool used_bounce; 882 union sub_crq indir_arr[6]; 883 u8 hdr_data[140]; 884 dma_addr_t indir_dma; 885 }; 886 887 struct ibmvnic_tx_pool { 888 struct ibmvnic_tx_buff *tx_buff; 889 int *free_map; 890 int consumer_index; 891 int producer_index; 892 wait_queue_head_t ibmvnic_tx_comp_q; 893 struct task_struct *work_thread; 894 struct ibmvnic_long_term_buff long_term_buff; 895 }; 896 897 struct ibmvnic_rx_buff { 898 struct sk_buff *skb; 899 dma_addr_t dma; 900 unsigned char *data; 901 int size; 902 int pool_index; 903 }; 904 905 struct ibmvnic_rx_pool { 906 struct ibmvnic_rx_buff *rx_buff; 907 int size; 908 int index; 909 int buff_size; 910 atomic_t available; 911 int *free_map; 912 int next_free; 913 int next_alloc; 914 int active; 915 struct ibmvnic_long_term_buff long_term_buff; 916 }; 917 918 struct ibmvnic_error_buff { 919 char *buff; 920 dma_addr_t dma; 921 int len; 922 struct list_head list; 923 __be32 error_id; 924 }; 925 926 struct ibmvnic_fw_comp_internal { 927 struct ibmvnic_adapter *adapter; 928 int num; 929 struct debugfs_blob_wrapper desc_blob; 930 int paused; 931 }; 932 933 struct ibmvnic_inflight_cmd { 934 union ibmvnic_crq crq; 935 struct list_head list; 936 }; 937 938 struct ibmvnic_adapter { 939 struct vio_dev *vdev; 940 struct net_device *netdev; 941 struct ibmvnic_crq_queue crq; 942 u8 mac_addr[ETH_ALEN]; 943 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 944 dma_addr_t ip_offload_tok; 945 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 946 dma_addr_t ip_offload_ctrl_tok; 947 bool migrated; 948 u32 msg_enable; 949 void *bounce_buffer; 950 int bounce_buffer_size; 951 dma_addr_t bounce_buffer_dma; 952 953 /* Statistics */ 954 struct net_device_stats net_stats; 955 struct ibmvnic_statistics stats; 956 dma_addr_t stats_token; 957 struct completion stats_done; 958 spinlock_t stats_lock; 959 int replenish_no_mem; 960 int replenish_add_buff_success; 961 int replenish_add_buff_failure; 962 int replenish_task_cycles; 963 int tx_send_failed; 964 int tx_map_failed; 965 966 int phys_link_state; 967 int logical_link_state; 968 969 /* login data */ 970 struct ibmvnic_login_buffer *login_buf; 971 dma_addr_t login_buf_token; 972 int login_buf_sz; 973 974 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 975 dma_addr_t login_rsp_buf_token; 976 int login_rsp_buf_sz; 977 978 atomic_t running_cap_queries; 979 980 struct ibmvnic_sub_crq_queue **tx_scrq; 981 struct ibmvnic_sub_crq_queue **rx_scrq; 982 int requested_caps; 983 bool renegotiate; 984 985 /* rx structs */ 986 struct napi_struct *napi; 987 struct ibmvnic_rx_pool *rx_pool; 988 u64 promisc; 989 990 struct ibmvnic_tx_pool *tx_pool; 991 bool closing; 992 struct completion init_done; 993 994 struct list_head errors; 995 spinlock_t error_list_lock; 996 997 /* debugfs */ 998 struct dentry *debugfs_dir; 999 struct dentry *debugfs_dump; 1000 struct completion fw_done; 1001 char *dump_data; 1002 dma_addr_t dump_data_token; 1003 int dump_data_size; 1004 int ras_comp_num; 1005 struct ibmvnic_fw_component *ras_comps; 1006 struct ibmvnic_fw_comp_internal *ras_comp_int; 1007 dma_addr_t ras_comps_tok; 1008 struct dentry *ras_comps_ent; 1009 1010 /* in-flight commands that allocate and/or map memory*/ 1011 struct list_head inflight; 1012 spinlock_t inflight_lock; 1013 1014 /* partner capabilities */ 1015 u64 min_tx_queues; 1016 u64 min_rx_queues; 1017 u64 min_rx_add_queues; 1018 u64 max_tx_queues; 1019 u64 max_rx_queues; 1020 u64 max_rx_add_queues; 1021 u64 req_tx_queues; 1022 u64 req_rx_queues; 1023 u64 req_rx_add_queues; 1024 u64 min_tx_entries_per_subcrq; 1025 u64 min_rx_add_entries_per_subcrq; 1026 u64 max_tx_entries_per_subcrq; 1027 u64 max_rx_add_entries_per_subcrq; 1028 u64 req_tx_entries_per_subcrq; 1029 u64 req_rx_add_entries_per_subcrq; 1030 u64 tcp_ip_offload; 1031 u64 promisc_requested; 1032 u64 promisc_supported; 1033 u64 min_mtu; 1034 u64 max_mtu; 1035 u64 req_mtu; 1036 u64 max_multicast_filters; 1037 u64 vlan_header_insertion; 1038 u64 max_tx_sg_entries; 1039 u64 rx_sg_supported; 1040 u64 rx_sg_requested; 1041 u64 opt_tx_comp_sub_queues; 1042 u64 opt_rx_comp_queues; 1043 u64 opt_rx_bufadd_q_per_rx_comp_q; 1044 u64 opt_tx_entries_per_subcrq; 1045 u64 opt_rxba_entries_per_subcrq; 1046 __be64 tx_rx_desc_req; 1047 u8 map_id; 1048 1049 struct work_struct vnic_crq_init; 1050 }; 1051