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 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 u8 reserved[4]; 522 struct ibmvnic_rc rc; 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 RX_VLAN_HEADER_INSERTION = 24, 737 MAX_TX_SG_ENTRIES = 25, 738 RX_SG_SUPPORTED = 26, 739 RX_SG_REQUESTED = 27, 740 OPT_TX_COMP_SUB_QUEUES = 28, 741 OPT_RX_COMP_QUEUES = 29, 742 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 743 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 744 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 745 TX_RX_DESC_REQ = 33, 746 }; 747 748 enum ibmvnic_error_cause { 749 ADAPTER_PROBLEM = 0, 750 BUS_PROBLEM = 1, 751 FW_PROBLEM = 2, 752 DD_PROBLEM = 3, 753 EEH_RECOVERY = 4, 754 FW_UPDATED = 5, 755 LOW_MEMORY = 6, 756 }; 757 758 enum ibmvnic_commands { 759 VERSION_EXCHANGE = 0x01, 760 VERSION_EXCHANGE_RSP = 0x81, 761 QUERY_CAPABILITY = 0x02, 762 QUERY_CAPABILITY_RSP = 0x82, 763 REQUEST_CAPABILITY = 0x03, 764 REQUEST_CAPABILITY_RSP = 0x83, 765 LOGIN = 0x04, 766 LOGIN_RSP = 0x84, 767 QUERY_PHYS_PARMS = 0x05, 768 QUERY_PHYS_PARMS_RSP = 0x85, 769 QUERY_PHYS_CAPABILITIES = 0x06, 770 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 771 SET_PHYS_PARMS = 0x07, 772 SET_PHYS_PARMS_RSP = 0x87, 773 ERROR_INDICATION = 0x08, 774 REQUEST_ERROR_INFO = 0x09, 775 REQUEST_ERROR_RSP = 0x89, 776 LOGICAL_LINK_STATE = 0x0C, 777 LOGICAL_LINK_STATE_RSP = 0x8C, 778 REQUEST_STATISTICS = 0x0D, 779 REQUEST_STATISTICS_RSP = 0x8D, 780 COLLECT_FW_TRACE = 0x11, 781 COLLECT_FW_TRACE_RSP = 0x91, 782 LINK_STATE_INDICATION = 0x12, 783 CHANGE_MAC_ADDR = 0x13, 784 CHANGE_MAC_ADDR_RSP = 0x93, 785 MULTICAST_CTRL = 0x14, 786 MULTICAST_CTRL_RSP = 0x94, 787 GET_VPD_SIZE = 0x15, 788 GET_VPD_SIZE_RSP = 0x95, 789 GET_VPD = 0x16, 790 GET_VPD_RSP = 0x96, 791 TUNE = 0x17, 792 TUNE_RSP = 0x97, 793 QUERY_IP_OFFLOAD = 0x18, 794 QUERY_IP_OFFLOAD_RSP = 0x98, 795 CONTROL_IP_OFFLOAD = 0x19, 796 CONTROL_IP_OFFLOAD_RSP = 0x99, 797 ACL_CHANGE_INDICATION = 0x1A, 798 ACL_QUERY = 0x1B, 799 ACL_QUERY_RSP = 0x9B, 800 QUERY_MAP = 0x1D, 801 QUERY_MAP_RSP = 0x9D, 802 REQUEST_MAP = 0x1E, 803 REQUEST_MAP_RSP = 0x9E, 804 REQUEST_UNMAP = 0x1F, 805 REQUEST_UNMAP_RSP = 0x9F, 806 VLAN_CTRL = 0x20, 807 VLAN_CTRL_RSP = 0xA0, 808 }; 809 810 enum ibmvnic_crq_type { 811 IBMVNIC_CRQ_CMD = 0x80, 812 IBMVNIC_CRQ_CMD_RSP = 0x80, 813 IBMVNIC_CRQ_INIT_CMD = 0xC0, 814 IBMVNIC_CRQ_INIT_RSP = 0xC0, 815 IBMVNIC_CRQ_XPORT_EVENT = 0xFF, 816 }; 817 818 enum ibmvfc_crq_format { 819 IBMVNIC_CRQ_INIT = 0x01, 820 IBMVNIC_CRQ_INIT_COMPLETE = 0x02, 821 IBMVNIC_PARTITION_MIGRATED = 0x06, 822 IBMVNIC_DEVICE_FAILOVER = 0x08, 823 }; 824 825 struct ibmvnic_crq_queue { 826 union ibmvnic_crq *msgs; 827 int size, cur; 828 dma_addr_t msg_token; 829 spinlock_t lock; 830 }; 831 832 union sub_crq { 833 struct ibmvnic_generic_scrq generic; 834 struct ibmvnic_tx_comp_desc tx_comp; 835 struct ibmvnic_tx_desc v1; 836 struct ibmvnic_hdr_desc hdr; 837 struct ibmvnic_hdr_ext_desc hdr_ext; 838 struct ibmvnic_sge_desc sge; 839 struct ibmvnic_rx_comp_desc rx_comp; 840 struct ibmvnic_rx_buff_add_desc rx_add; 841 }; 842 843 struct ibmvnic_sub_crq_queue { 844 union sub_crq *msgs; 845 int size, cur; 846 dma_addr_t msg_token; 847 unsigned long crq_num; 848 unsigned long hw_irq; 849 unsigned int irq; 850 unsigned int pool_index; 851 int scrq_num; 852 spinlock_t lock; 853 struct sk_buff *rx_skb_top; 854 struct ibmvnic_adapter *adapter; 855 atomic_t used; 856 }; 857 858 struct ibmvnic_long_term_buff { 859 unsigned char *buff; 860 dma_addr_t addr; 861 u64 size; 862 u8 map_id; 863 }; 864 865 struct ibmvnic_tx_buff { 866 struct sk_buff *skb; 867 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 868 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 869 int index; 870 int pool_index; 871 bool last_frag; 872 union sub_crq indir_arr[6]; 873 u8 hdr_data[140]; 874 dma_addr_t indir_dma; 875 }; 876 877 struct ibmvnic_tx_pool { 878 struct ibmvnic_tx_buff *tx_buff; 879 int *free_map; 880 int consumer_index; 881 int producer_index; 882 wait_queue_head_t ibmvnic_tx_comp_q; 883 struct task_struct *work_thread; 884 struct ibmvnic_long_term_buff long_term_buff; 885 }; 886 887 struct ibmvnic_rx_buff { 888 struct sk_buff *skb; 889 dma_addr_t dma; 890 unsigned char *data; 891 int size; 892 int pool_index; 893 }; 894 895 struct ibmvnic_rx_pool { 896 struct ibmvnic_rx_buff *rx_buff; 897 int size; 898 int index; 899 int buff_size; 900 atomic_t available; 901 int *free_map; 902 int next_free; 903 int next_alloc; 904 int active; 905 struct ibmvnic_long_term_buff long_term_buff; 906 }; 907 908 struct ibmvnic_error_buff { 909 char *buff; 910 dma_addr_t dma; 911 int len; 912 struct list_head list; 913 __be32 error_id; 914 }; 915 916 enum vnic_state {VNIC_PROBING = 1, 917 VNIC_PROBED, 918 VNIC_OPENING, 919 VNIC_OPEN, 920 VNIC_CLOSING, 921 VNIC_CLOSED, 922 VNIC_REMOVING, 923 VNIC_REMOVED}; 924 925 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 926 VNIC_RESET_MOBILITY, 927 VNIC_RESET_FATAL, 928 VNIC_RESET_TIMEOUT}; 929 930 struct ibmvnic_rwi { 931 enum ibmvnic_reset_reason reset_reason; 932 struct list_head list; 933 }; 934 935 struct ibmvnic_adapter { 936 struct vio_dev *vdev; 937 struct net_device *netdev; 938 struct ibmvnic_crq_queue crq; 939 u8 mac_addr[ETH_ALEN]; 940 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 941 dma_addr_t ip_offload_tok; 942 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 943 dma_addr_t ip_offload_ctrl_tok; 944 u32 msg_enable; 945 946 /* Statistics */ 947 struct ibmvnic_statistics stats; 948 dma_addr_t stats_token; 949 struct completion stats_done; 950 spinlock_t stats_lock; 951 int replenish_no_mem; 952 int replenish_add_buff_success; 953 int replenish_add_buff_failure; 954 int replenish_task_cycles; 955 int tx_send_failed; 956 int tx_map_failed; 957 958 int phys_link_state; 959 int logical_link_state; 960 961 /* login data */ 962 struct ibmvnic_login_buffer *login_buf; 963 dma_addr_t login_buf_token; 964 int login_buf_sz; 965 966 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 967 dma_addr_t login_rsp_buf_token; 968 int login_rsp_buf_sz; 969 970 atomic_t running_cap_crqs; 971 bool wait_capability; 972 973 struct ibmvnic_sub_crq_queue **tx_scrq; 974 struct ibmvnic_sub_crq_queue **rx_scrq; 975 bool renegotiate; 976 977 /* rx structs */ 978 struct napi_struct *napi; 979 struct ibmvnic_rx_pool *rx_pool; 980 u64 promisc; 981 982 struct ibmvnic_tx_pool *tx_pool; 983 struct completion init_done; 984 int init_done_rc; 985 986 struct list_head errors; 987 spinlock_t error_list_lock; 988 989 struct completion fw_done; 990 991 /* partner capabilities */ 992 u64 min_tx_queues; 993 u64 min_rx_queues; 994 u64 min_rx_add_queues; 995 u64 max_tx_queues; 996 u64 max_rx_queues; 997 u64 max_rx_add_queues; 998 u64 req_tx_queues; 999 u64 req_rx_queues; 1000 u64 req_rx_add_queues; 1001 u64 min_tx_entries_per_subcrq; 1002 u64 min_rx_add_entries_per_subcrq; 1003 u64 max_tx_entries_per_subcrq; 1004 u64 max_rx_add_entries_per_subcrq; 1005 u64 req_tx_entries_per_subcrq; 1006 u64 req_rx_add_entries_per_subcrq; 1007 u64 tcp_ip_offload; 1008 u64 promisc_requested; 1009 u64 promisc_supported; 1010 u64 min_mtu; 1011 u64 max_mtu; 1012 u64 req_mtu; 1013 u64 max_multicast_filters; 1014 u64 vlan_header_insertion; 1015 u64 rx_vlan_header_insertion; 1016 u64 max_tx_sg_entries; 1017 u64 rx_sg_supported; 1018 u64 rx_sg_requested; 1019 u64 opt_tx_comp_sub_queues; 1020 u64 opt_rx_comp_queues; 1021 u64 opt_rx_bufadd_q_per_rx_comp_q; 1022 u64 opt_tx_entries_per_subcrq; 1023 u64 opt_rxba_entries_per_subcrq; 1024 __be64 tx_rx_desc_req; 1025 u8 map_id; 1026 1027 struct tasklet_struct tasklet; 1028 enum vnic_state state; 1029 enum ibmvnic_reset_reason reset_reason; 1030 struct mutex reset_lock, rwi_lock; 1031 struct list_head rwi_list; 1032 struct work_struct ibmvnic_reset; 1033 bool resetting; 1034 }; 1035