1 /**************************************************************************/ 2 /* */ 3 /* IBM System i and System p Virtual NIC Device Driver */ 4 /* Copyright (C) 2014 IBM Corp. */ 5 /* Santiago Leon (santi_leon@yahoo.com) */ 6 /* Thomas Falcon (tlfalcon@linux.vnet.ibm.com) */ 7 /* John Allen (jallen@linux.vnet.ibm.com) */ 8 /* */ 9 /* This program is free software; you can redistribute it and/or modify */ 10 /* it under the terms of the GNU General Public License as published by */ 11 /* the Free Software Foundation; either version 2 of the License, or */ 12 /* (at your option) any later version. */ 13 /* */ 14 /* This program is distributed in the hope that it will be useful, */ 15 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 16 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ 17 /* GNU General Public License for more details. */ 18 /* */ 19 /* You should have received a copy of the GNU General Public License */ 20 /* along with this program. */ 21 /* */ 22 /* This module contains the implementation of a virtual ethernet device */ 23 /* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */ 24 /* option of the RS/6000 Platform Architecture to interface with virtual */ 25 /* ethernet NICs that are presented to the partition by the hypervisor. */ 26 /* */ 27 /**************************************************************************/ 28 29 #define IBMVNIC_NAME "ibmvnic" 30 #define IBMVNIC_DRIVER_VERSION "1.0.1" 31 #define IBMVNIC_INVALID_MAP -1 32 #define IBMVNIC_STATS_TIMEOUT 1 33 #define IBMVNIC_INIT_FAILED 2 34 35 /* basic structures plus 100 2k buffers */ 36 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305 37 38 /* Initial module_parameters */ 39 #define IBMVNIC_RX_WEIGHT 16 40 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */ 41 #define IBMVNIC_BUFFS_PER_POOL 100 42 #define IBMVNIC_MAX_QUEUES 16 43 #define IBMVNIC_MAX_QUEUE_SZ 4096 44 45 #define IBMVNIC_TSO_BUF_SZ 65536 46 #define IBMVNIC_TSO_BUFS 64 47 #define IBMVNIC_TSO_POOL_MASK 0x80000000 48 49 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE) 50 #define IBMVNIC_BUFFER_HLEN 500 51 52 static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = { 53 #define IBMVNIC_USE_SERVER_MAXES 0x1 54 "use-server-maxes" 55 }; 56 57 struct ibmvnic_login_buffer { 58 __be32 len; 59 __be32 version; 60 #define INITIAL_VERSION_LB 1 61 __be32 num_txcomp_subcrqs; 62 __be32 off_txcomp_subcrqs; 63 __be32 num_rxcomp_subcrqs; 64 __be32 off_rxcomp_subcrqs; 65 __be32 login_rsp_ioba; 66 __be32 login_rsp_len; 67 __be32 client_data_offset; 68 __be32 client_data_len; 69 } __packed __aligned(8); 70 71 struct ibmvnic_login_rsp_buffer { 72 __be32 len; 73 __be32 version; 74 #define INITIAL_VERSION_LRB 1 75 __be32 num_txsubm_subcrqs; 76 __be32 off_txsubm_subcrqs; 77 __be32 num_rxadd_subcrqs; 78 __be32 off_rxadd_subcrqs; 79 __be32 off_rxadd_buff_size; 80 __be32 num_supp_tx_desc; 81 __be32 off_supp_tx_desc; 82 } __packed __aligned(8); 83 84 struct ibmvnic_query_ip_offload_buffer { 85 __be32 len; 86 __be32 version; 87 #define INITIAL_VERSION_IOB 1 88 u8 ipv4_chksum; 89 u8 ipv6_chksum; 90 u8 tcp_ipv4_chksum; 91 u8 tcp_ipv6_chksum; 92 u8 udp_ipv4_chksum; 93 u8 udp_ipv6_chksum; 94 u8 large_tx_ipv4; 95 u8 large_tx_ipv6; 96 u8 large_rx_ipv4; 97 u8 large_rx_ipv6; 98 u8 reserved1[14]; 99 __be16 max_ipv4_header_size; 100 __be16 max_ipv6_header_size; 101 __be16 max_tcp_header_size; 102 __be16 max_udp_header_size; 103 __be32 max_large_tx_size; 104 __be32 max_large_rx_size; 105 u8 reserved2[16]; 106 u8 ipv6_extension_header; 107 #define IPV6_EH_NOT_SUPPORTED 0x00 108 #define IPV6_EH_SUPPORTED_LIM 0x01 109 #define IPV6_EH_SUPPORTED 0xFF 110 u8 tcp_pseudosum_req; 111 #define TCP_PS_NOT_REQUIRED 0x00 112 #define TCP_PS_REQUIRED 0x01 113 u8 reserved3[30]; 114 __be16 num_ipv6_ext_headers; 115 __be32 off_ipv6_ext_headers; 116 u8 reserved4[154]; 117 } __packed __aligned(8); 118 119 struct ibmvnic_control_ip_offload_buffer { 120 __be32 len; 121 __be32 version; 122 #define INITIAL_VERSION_IOB 1 123 u8 ipv4_chksum; 124 u8 ipv6_chksum; 125 u8 tcp_ipv4_chksum; 126 u8 tcp_ipv6_chksum; 127 u8 udp_ipv4_chksum; 128 u8 udp_ipv6_chksum; 129 u8 large_tx_ipv4; 130 u8 large_tx_ipv6; 131 u8 bad_packet_rx; 132 u8 large_rx_ipv4; 133 u8 large_rx_ipv6; 134 u8 reserved4[111]; 135 } __packed __aligned(8); 136 137 struct ibmvnic_fw_component { 138 u8 name[48]; 139 __be32 trace_buff_size; 140 u8 correlator; 141 u8 trace_level; 142 u8 parent_correlator; 143 u8 error_check_level; 144 u8 trace_on; 145 u8 reserved[7]; 146 u8 description[192]; 147 } __packed __aligned(8); 148 149 struct ibmvnic_fw_trace_entry { 150 __be32 trace_id; 151 u8 num_valid_data; 152 u8 reserved[3]; 153 __be64 pmc_registers; 154 __be64 timebase; 155 __be64 trace_data[5]; 156 } __packed __aligned(8); 157 158 struct ibmvnic_statistics { 159 __be32 version; 160 __be32 promiscuous; 161 __be64 rx_packets; 162 __be64 rx_bytes; 163 __be64 tx_packets; 164 __be64 tx_bytes; 165 __be64 ucast_tx_packets; 166 __be64 ucast_rx_packets; 167 __be64 mcast_tx_packets; 168 __be64 mcast_rx_packets; 169 __be64 bcast_tx_packets; 170 __be64 bcast_rx_packets; 171 __be64 align_errors; 172 __be64 fcs_errors; 173 __be64 single_collision_frames; 174 __be64 multi_collision_frames; 175 __be64 sqe_test_errors; 176 __be64 deferred_tx; 177 __be64 late_collisions; 178 __be64 excess_collisions; 179 __be64 internal_mac_tx_errors; 180 __be64 carrier_sense; 181 __be64 too_long_frames; 182 __be64 internal_mac_rx_errors; 183 u8 reserved[72]; 184 } __packed __aligned(8); 185 186 #define NUM_TX_STATS 3 187 struct ibmvnic_tx_queue_stats { 188 u64 packets; 189 u64 bytes; 190 u64 dropped_packets; 191 }; 192 193 #define NUM_RX_STATS 3 194 struct ibmvnic_rx_queue_stats { 195 u64 packets; 196 u64 bytes; 197 u64 interrupts; 198 }; 199 200 struct ibmvnic_acl_buffer { 201 __be32 len; 202 __be32 version; 203 #define INITIAL_VERSION_IOB 1 204 u8 mac_acls_restrict; 205 u8 vlan_acls_restrict; 206 u8 reserved1[22]; 207 __be32 num_mac_addrs; 208 __be32 offset_mac_addrs; 209 __be32 num_vlan_ids; 210 __be32 offset_vlan_ids; 211 u8 reserved2[80]; 212 } __packed __aligned(8); 213 214 /* descriptors have been changed, how should this be defined? 1? 4? */ 215 216 #define IBMVNIC_TX_DESC_VERSIONS 3 217 218 /* is this still needed? */ 219 struct ibmvnic_tx_comp_desc { 220 u8 first; 221 u8 num_comps; 222 __be16 rcs[5]; 223 __be32 correlators[5]; 224 } __packed __aligned(8); 225 226 /* some flags that included in v0 descriptor, which is gone 227 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM 228 * and only in some offload_flags variable that doesn't seem 229 * to be used anywhere, can probably be removed? 230 */ 231 232 #define IBMVNIC_TCP_CHKSUM 0x20 233 #define IBMVNIC_UDP_CHKSUM 0x08 234 235 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 236 237 struct ibmvnic_tx_desc { 238 u8 first; 239 u8 type; 240 241 #define IBMVNIC_TX_DESC 0x10 242 u8 n_crq_elem; 243 u8 n_sge; 244 u8 flags1; 245 #define IBMVNIC_TX_COMP_NEEDED 0x80 246 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 247 #define IBMVNIC_TX_LSO 0x20 248 #define IBMVNIC_TX_PROT_TCP 0x10 249 #define IBMVNIC_TX_PROT_UDP 0x08 250 #define IBMVNIC_TX_PROT_IPV4 0x04 251 #define IBMVNIC_TX_PROT_IPV6 0x02 252 #define IBMVNIC_TX_VLAN_PRESENT 0x01 253 u8 flags2; 254 #define IBMVNIC_TX_VLAN_INSERT 0x80 255 __be16 mss; 256 u8 reserved[4]; 257 __be32 correlator; 258 __be16 vlan_id; 259 __be16 dma_reg; 260 __be32 sge_len; 261 __be64 ioba; 262 } __packed __aligned(8); 263 264 struct ibmvnic_hdr_desc { 265 u8 first; 266 u8 type; 267 #define IBMVNIC_HDR_DESC 0x11 268 u8 len; 269 u8 l2_len; 270 __be16 l3_len; 271 u8 l4_len; 272 u8 flag; 273 u8 data[24]; 274 } __packed __aligned(8); 275 276 struct ibmvnic_hdr_ext_desc { 277 u8 first; 278 u8 type; 279 #define IBMVNIC_HDR_EXT_DESC 0x12 280 u8 len; 281 u8 data[29]; 282 } __packed __aligned(8); 283 284 struct ibmvnic_sge_desc { 285 u8 first; 286 u8 type; 287 #define IBMVNIC_SGE_DESC 0x30 288 __be16 sge1_dma_reg; 289 __be32 sge1_len; 290 __be64 sge1_ioba; 291 __be16 reserved; 292 __be16 sge2_dma_reg; 293 __be32 sge2_len; 294 __be64 sge2_ioba; 295 } __packed __aligned(8); 296 297 struct ibmvnic_rx_comp_desc { 298 u8 first; 299 u8 flags; 300 #define IBMVNIC_IP_CHKSUM_GOOD 0x80 301 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 302 #define IBMVNIC_END_FRAME 0x20 303 #define IBMVNIC_EXACT_MC 0x10 304 #define IBMVNIC_VLAN_STRIPPED 0x08 305 __be16 off_frame_data; 306 __be32 len; 307 __be64 correlator; 308 __be16 vlan_tci; 309 __be16 rc; 310 u8 reserved[12]; 311 } __packed __aligned(8); 312 313 struct ibmvnic_generic_scrq { 314 u8 first; 315 u8 reserved[31]; 316 } __packed __aligned(8); 317 318 struct ibmvnic_rx_buff_add_desc { 319 u8 first; 320 u8 reserved[7]; 321 __be64 correlator; 322 __be32 ioba; 323 u8 map_id; 324 __be32 len:24; 325 u8 reserved2[8]; 326 } __packed __aligned(8); 327 328 struct ibmvnic_rc { 329 u8 code; /* one of enum ibmvnic_rc_codes */ 330 u8 detailed_data[3]; 331 } __packed __aligned(4); 332 333 struct ibmvnic_generic_crq { 334 u8 first; 335 u8 cmd; 336 u8 params[10]; 337 struct ibmvnic_rc rc; 338 } __packed __aligned(8); 339 340 struct ibmvnic_version_exchange { 341 u8 first; 342 u8 cmd; 343 __be16 version; 344 #define IBMVNIC_INITIAL_VERSION 1 345 u8 reserved[8]; 346 struct ibmvnic_rc rc; 347 } __packed __aligned(8); 348 349 struct ibmvnic_capability { 350 u8 first; 351 u8 cmd; 352 __be16 capability; /* one of ibmvnic_capabilities */ 353 __be64 number; 354 struct ibmvnic_rc rc; 355 } __packed __aligned(8); 356 357 struct ibmvnic_login { 358 u8 first; 359 u8 cmd; 360 u8 reserved[6]; 361 __be32 ioba; 362 __be32 len; 363 } __packed __aligned(8); 364 365 struct ibmvnic_phys_parms { 366 u8 first; 367 u8 cmd; 368 u8 flags1; 369 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 370 #define IBMVNIC_INTERNAL_LOOPBACK 0x40 371 #define IBMVNIC_PROMISC 0x20 372 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 373 #define IBMVNIC_AUTONEG_DUPLEX 0x08 374 #define IBMVNIC_FULL_DUPLEX 0x04 375 #define IBMVNIC_HALF_DUPLEX 0x02 376 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 377 u8 flags2; 378 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 379 __be32 speed; 380 #define IBMVNIC_AUTONEG 0x80 381 #define IBMVNIC_10MBPS 0x40 382 #define IBMVNIC_100MBPS 0x20 383 #define IBMVNIC_1GBPS 0x10 384 #define IBMVNIC_10GBPS 0x08 385 __be32 mtu; 386 struct ibmvnic_rc rc; 387 } __packed __aligned(8); 388 389 struct ibmvnic_logical_link_state { 390 u8 first; 391 u8 cmd; 392 u8 link_state; 393 #define IBMVNIC_LOGICAL_LNK_DN 0x00 394 #define IBMVNIC_LOGICAL_LNK_UP 0x01 395 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff 396 u8 reserved[9]; 397 struct ibmvnic_rc rc; 398 } __packed __aligned(8); 399 400 struct ibmvnic_query_ip_offload { 401 u8 first; 402 u8 cmd; 403 u8 reserved[2]; 404 __be32 len; 405 __be32 ioba; 406 struct ibmvnic_rc rc; 407 } __packed __aligned(8); 408 409 struct ibmvnic_control_ip_offload { 410 u8 first; 411 u8 cmd; 412 u8 reserved[2]; 413 __be32 ioba; 414 __be32 len; 415 struct ibmvnic_rc rc; 416 } __packed __aligned(8); 417 418 struct ibmvnic_request_dump_size { 419 u8 first; 420 u8 cmd; 421 u8 reserved[6]; 422 __be32 len; 423 struct ibmvnic_rc rc; 424 } __packed __aligned(8); 425 426 struct ibmvnic_request_dump { 427 u8 first; 428 u8 cmd; 429 u8 reserved1[2]; 430 __be32 ioba; 431 __be32 len; 432 u8 reserved2[4]; 433 } __packed __aligned(8); 434 435 struct ibmvnic_request_dump_rsp { 436 u8 first; 437 u8 cmd; 438 u8 reserved[6]; 439 __be32 dumped_len; 440 struct ibmvnic_rc rc; 441 } __packed __aligned(8); 442 443 struct ibmvnic_request_ras_comp_num { 444 u8 first; 445 u8 cmd; 446 u8 reserved1[2]; 447 __be32 num_components; 448 u8 reserved2[4]; 449 struct ibmvnic_rc rc; 450 } __packed __aligned(8); 451 452 struct ibmvnic_request_ras_comps { 453 u8 first; 454 u8 cmd; 455 u8 reserved[2]; 456 __be32 ioba; 457 __be32 len; 458 struct ibmvnic_rc rc; 459 } __packed __aligned(8); 460 461 struct ibmvnic_control_ras { 462 u8 first; 463 u8 cmd; 464 u8 correlator; 465 u8 level; 466 u8 op; 467 #define IBMVNIC_TRACE_LEVEL 1 468 #define IBMVNIC_ERROR_LEVEL 2 469 #define IBMVNIC_TRACE_PAUSE 3 470 #define IBMVNIC_TRACE_RESUME 4 471 #define IBMVNIC_TRACE_ON 5 472 #define IBMVNIC_TRACE_OFF 6 473 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 474 u8 trace_buff_sz[3]; 475 u8 reserved[4]; 476 struct ibmvnic_rc rc; 477 } __packed __aligned(8); 478 479 struct ibmvnic_collect_fw_trace { 480 u8 first; 481 u8 cmd; 482 u8 correlator; 483 u8 reserved; 484 __be32 ioba; 485 __be32 len; 486 struct ibmvnic_rc rc; 487 } __packed __aligned(8); 488 489 struct ibmvnic_request_statistics { 490 u8 first; 491 u8 cmd; 492 u8 flags; 493 #define IBMVNIC_PHYSICAL_PORT 0x80 494 u8 reserved1; 495 __be32 ioba; 496 __be32 len; 497 u8 reserved[4]; 498 } __packed __aligned(8); 499 500 struct ibmvnic_request_debug_stats { 501 u8 first; 502 u8 cmd; 503 u8 reserved[2]; 504 __be32 ioba; 505 __be32 len; 506 struct ibmvnic_rc rc; 507 } __packed __aligned(8); 508 509 struct ibmvnic_error_indication { 510 u8 first; 511 u8 cmd; 512 u8 flags; 513 #define IBMVNIC_FATAL_ERROR 0x80 514 u8 reserved1; 515 __be32 error_id; 516 __be32 detail_error_sz; 517 __be16 error_cause; 518 u8 reserved2[2]; 519 } __packed __aligned(8); 520 521 struct ibmvnic_link_state_indication { 522 u8 first; 523 u8 cmd; 524 u8 reserved1[2]; 525 u8 phys_link_state; 526 u8 logical_link_state; 527 u8 reserved2[10]; 528 } __packed __aligned(8); 529 530 struct ibmvnic_change_mac_addr { 531 u8 first; 532 u8 cmd; 533 u8 mac_addr[6]; 534 u8 reserved[4]; 535 struct ibmvnic_rc rc; 536 } __packed __aligned(8); 537 538 struct ibmvnic_multicast_ctrl { 539 u8 first; 540 u8 cmd; 541 u8 mac_addr[6]; 542 u8 flags; 543 #define IBMVNIC_ENABLE_MC 0x80 544 #define IBMVNIC_DISABLE_MC 0x40 545 #define IBMVNIC_ENABLE_ALL 0x20 546 #define IBMVNIC_DISABLE_ALL 0x10 547 u8 reserved1; 548 __be16 reserved2; /* was num_enabled_mc_addr; */ 549 struct ibmvnic_rc rc; 550 } __packed __aligned(8); 551 552 struct ibmvnic_get_vpd_size { 553 u8 first; 554 u8 cmd; 555 u8 reserved[14]; 556 } __packed __aligned(8); 557 558 struct ibmvnic_get_vpd_size_rsp { 559 u8 first; 560 u8 cmd; 561 u8 reserved[2]; 562 __be64 len; 563 struct ibmvnic_rc rc; 564 } __packed __aligned(8); 565 566 struct ibmvnic_get_vpd { 567 u8 first; 568 u8 cmd; 569 u8 reserved1[2]; 570 __be32 ioba; 571 __be32 len; 572 u8 reserved[4]; 573 } __packed __aligned(8); 574 575 struct ibmvnic_get_vpd_rsp { 576 u8 first; 577 u8 cmd; 578 u8 reserved[10]; 579 struct ibmvnic_rc rc; 580 } __packed __aligned(8); 581 582 struct ibmvnic_acl_change_indication { 583 u8 first; 584 u8 cmd; 585 __be16 change_type; 586 #define IBMVNIC_MAC_ACL 0 587 #define IBMVNIC_VLAN_ACL 1 588 u8 reserved[12]; 589 } __packed __aligned(8); 590 591 struct ibmvnic_acl_query { 592 u8 first; 593 u8 cmd; 594 u8 reserved1[2]; 595 __be32 ioba; 596 __be32 len; 597 u8 reserved2[4]; 598 } __packed __aligned(8); 599 600 struct ibmvnic_tune { 601 u8 first; 602 u8 cmd; 603 u8 reserved1[2]; 604 __be32 ioba; 605 __be32 len; 606 u8 reserved2[4]; 607 } __packed __aligned(8); 608 609 struct ibmvnic_request_map { 610 u8 first; 611 u8 cmd; 612 u8 reserved1; 613 u8 map_id; 614 __be32 ioba; 615 __be32 len; 616 u8 reserved2[4]; 617 } __packed __aligned(8); 618 619 struct ibmvnic_request_map_rsp { 620 u8 first; 621 u8 cmd; 622 u8 reserved1; 623 u8 map_id; 624 u8 reserved2[8]; 625 struct ibmvnic_rc rc; 626 } __packed __aligned(8); 627 628 struct ibmvnic_request_unmap { 629 u8 first; 630 u8 cmd; 631 u8 reserved1; 632 u8 map_id; 633 u8 reserved2[12]; 634 } __packed __aligned(8); 635 636 struct ibmvnic_request_unmap_rsp { 637 u8 first; 638 u8 cmd; 639 u8 reserved1; 640 u8 map_id; 641 u8 reserved2[8]; 642 struct ibmvnic_rc rc; 643 } __packed __aligned(8); 644 645 struct ibmvnic_query_map { 646 u8 first; 647 u8 cmd; 648 u8 reserved[14]; 649 } __packed __aligned(8); 650 651 struct ibmvnic_query_map_rsp { 652 u8 first; 653 u8 cmd; 654 u8 reserved; 655 u8 page_size; 656 __be32 tot_pages; 657 __be32 free_pages; 658 struct ibmvnic_rc rc; 659 } __packed __aligned(8); 660 661 union ibmvnic_crq { 662 struct ibmvnic_generic_crq generic; 663 struct ibmvnic_version_exchange version_exchange; 664 struct ibmvnic_version_exchange version_exchange_rsp; 665 struct ibmvnic_capability query_capability; 666 struct ibmvnic_capability query_capability_rsp; 667 struct ibmvnic_capability request_capability; 668 struct ibmvnic_capability request_capability_rsp; 669 struct ibmvnic_login login; 670 struct ibmvnic_generic_crq login_rsp; 671 struct ibmvnic_phys_parms query_phys_parms; 672 struct ibmvnic_phys_parms query_phys_parms_rsp; 673 struct ibmvnic_phys_parms query_phys_capabilities; 674 struct ibmvnic_phys_parms query_phys_capabilities_rsp; 675 struct ibmvnic_phys_parms set_phys_parms; 676 struct ibmvnic_phys_parms set_phys_parms_rsp; 677 struct ibmvnic_logical_link_state logical_link_state; 678 struct ibmvnic_logical_link_state logical_link_state_rsp; 679 struct ibmvnic_query_ip_offload query_ip_offload; 680 struct ibmvnic_query_ip_offload query_ip_offload_rsp; 681 struct ibmvnic_control_ip_offload control_ip_offload; 682 struct ibmvnic_control_ip_offload control_ip_offload_rsp; 683 struct ibmvnic_request_dump_size request_dump_size; 684 struct ibmvnic_request_dump_size request_dump_size_rsp; 685 struct ibmvnic_request_dump request_dump; 686 struct ibmvnic_request_dump_rsp request_dump_rsp; 687 struct ibmvnic_request_ras_comp_num request_ras_comp_num; 688 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; 689 struct ibmvnic_request_ras_comps request_ras_comps; 690 struct ibmvnic_request_ras_comps request_ras_comps_rsp; 691 struct ibmvnic_control_ras control_ras; 692 struct ibmvnic_control_ras control_ras_rsp; 693 struct ibmvnic_collect_fw_trace collect_fw_trace; 694 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; 695 struct ibmvnic_request_statistics request_statistics; 696 struct ibmvnic_generic_crq request_statistics_rsp; 697 struct ibmvnic_request_debug_stats request_debug_stats; 698 struct ibmvnic_request_debug_stats request_debug_stats_rsp; 699 struct ibmvnic_error_indication error_indication; 700 struct ibmvnic_link_state_indication link_state_indication; 701 struct ibmvnic_change_mac_addr change_mac_addr; 702 struct ibmvnic_change_mac_addr change_mac_addr_rsp; 703 struct ibmvnic_multicast_ctrl multicast_ctrl; 704 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; 705 struct ibmvnic_get_vpd_size get_vpd_size; 706 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; 707 struct ibmvnic_get_vpd get_vpd; 708 struct ibmvnic_get_vpd_rsp get_vpd_rsp; 709 struct ibmvnic_acl_change_indication acl_change_indication; 710 struct ibmvnic_acl_query acl_query; 711 struct ibmvnic_generic_crq acl_query_rsp; 712 struct ibmvnic_tune tune; 713 struct ibmvnic_generic_crq tune_rsp; 714 struct ibmvnic_request_map request_map; 715 struct ibmvnic_request_map_rsp request_map_rsp; 716 struct ibmvnic_request_unmap request_unmap; 717 struct ibmvnic_request_unmap_rsp request_unmap_rsp; 718 struct ibmvnic_query_map query_map; 719 struct ibmvnic_query_map_rsp query_map_rsp; 720 }; 721 722 enum ibmvnic_rc_codes { 723 SUCCESS = 0, 724 PARTIALSUCCESS = 1, 725 PERMISSION = 2, 726 NOMEMORY = 3, 727 PARAMETER = 4, 728 UNKNOWNCOMMAND = 5, 729 ABORTED = 6, 730 INVALIDSTATE = 7, 731 INVALIDIOBA = 8, 732 INVALIDLENGTH = 9, 733 UNSUPPORTEDOPTION = 10, 734 }; 735 736 enum ibmvnic_capabilities { 737 MIN_TX_QUEUES = 1, 738 MIN_RX_QUEUES = 2, 739 MIN_RX_ADD_QUEUES = 3, 740 MAX_TX_QUEUES = 4, 741 MAX_RX_QUEUES = 5, 742 MAX_RX_ADD_QUEUES = 6, 743 REQ_TX_QUEUES = 7, 744 REQ_RX_QUEUES = 8, 745 REQ_RX_ADD_QUEUES = 9, 746 MIN_TX_ENTRIES_PER_SUBCRQ = 10, 747 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, 748 MAX_TX_ENTRIES_PER_SUBCRQ = 12, 749 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, 750 REQ_TX_ENTRIES_PER_SUBCRQ = 14, 751 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, 752 TCP_IP_OFFLOAD = 16, 753 PROMISC_REQUESTED = 17, 754 PROMISC_SUPPORTED = 18, 755 MIN_MTU = 19, 756 MAX_MTU = 20, 757 REQ_MTU = 21, 758 MAX_MULTICAST_FILTERS = 22, 759 VLAN_HEADER_INSERTION = 23, 760 RX_VLAN_HEADER_INSERTION = 24, 761 MAX_TX_SG_ENTRIES = 25, 762 RX_SG_SUPPORTED = 26, 763 RX_SG_REQUESTED = 27, 764 OPT_TX_COMP_SUB_QUEUES = 28, 765 OPT_RX_COMP_QUEUES = 29, 766 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, 767 OPT_TX_ENTRIES_PER_SUBCRQ = 31, 768 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, 769 TX_RX_DESC_REQ = 33, 770 }; 771 772 enum ibmvnic_error_cause { 773 ADAPTER_PROBLEM = 0, 774 BUS_PROBLEM = 1, 775 FW_PROBLEM = 2, 776 DD_PROBLEM = 3, 777 EEH_RECOVERY = 4, 778 FW_UPDATED = 5, 779 LOW_MEMORY = 6, 780 }; 781 782 enum ibmvnic_commands { 783 VERSION_EXCHANGE = 0x01, 784 VERSION_EXCHANGE_RSP = 0x81, 785 QUERY_CAPABILITY = 0x02, 786 QUERY_CAPABILITY_RSP = 0x82, 787 REQUEST_CAPABILITY = 0x03, 788 REQUEST_CAPABILITY_RSP = 0x83, 789 LOGIN = 0x04, 790 LOGIN_RSP = 0x84, 791 QUERY_PHYS_PARMS = 0x05, 792 QUERY_PHYS_PARMS_RSP = 0x85, 793 QUERY_PHYS_CAPABILITIES = 0x06, 794 QUERY_PHYS_CAPABILITIES_RSP = 0x86, 795 SET_PHYS_PARMS = 0x07, 796 SET_PHYS_PARMS_RSP = 0x87, 797 ERROR_INDICATION = 0x08, 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 bool active; 853 }; 854 855 union sub_crq { 856 struct ibmvnic_generic_scrq generic; 857 struct ibmvnic_tx_comp_desc tx_comp; 858 struct ibmvnic_tx_desc v1; 859 struct ibmvnic_hdr_desc hdr; 860 struct ibmvnic_hdr_ext_desc hdr_ext; 861 struct ibmvnic_sge_desc sge; 862 struct ibmvnic_rx_comp_desc rx_comp; 863 struct ibmvnic_rx_buff_add_desc rx_add; 864 }; 865 866 struct ibmvnic_sub_crq_queue { 867 union sub_crq *msgs; 868 int size, cur; 869 dma_addr_t msg_token; 870 unsigned long crq_num; 871 unsigned long hw_irq; 872 unsigned int irq; 873 unsigned int pool_index; 874 int scrq_num; 875 spinlock_t lock; 876 struct sk_buff *rx_skb_top; 877 struct ibmvnic_adapter *adapter; 878 atomic_t used; 879 }; 880 881 struct ibmvnic_long_term_buff { 882 unsigned char *buff; 883 dma_addr_t addr; 884 u64 size; 885 u8 map_id; 886 }; 887 888 struct ibmvnic_tx_buff { 889 struct sk_buff *skb; 890 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; 891 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; 892 int index; 893 int pool_index; 894 bool last_frag; 895 union sub_crq indir_arr[6]; 896 u8 hdr_data[140]; 897 dma_addr_t indir_dma; 898 int num_entries; 899 }; 900 901 struct ibmvnic_tx_pool { 902 struct ibmvnic_tx_buff *tx_buff; 903 int *free_map; 904 int consumer_index; 905 int producer_index; 906 struct ibmvnic_long_term_buff long_term_buff; 907 int num_buffers; 908 int buf_size; 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_vpd { 933 unsigned char *buff; 934 dma_addr_t dma_addr; 935 u64 len; 936 }; 937 938 enum vnic_state {VNIC_PROBING = 1, 939 VNIC_PROBED, 940 VNIC_OPENING, 941 VNIC_OPEN, 942 VNIC_CLOSING, 943 VNIC_CLOSED, 944 VNIC_REMOVING, 945 VNIC_REMOVED}; 946 947 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, 948 VNIC_RESET_MOBILITY, 949 VNIC_RESET_FATAL, 950 VNIC_RESET_NON_FATAL, 951 VNIC_RESET_TIMEOUT, 952 VNIC_RESET_CHANGE_PARAM}; 953 954 struct ibmvnic_rwi { 955 enum ibmvnic_reset_reason reset_reason; 956 struct list_head list; 957 }; 958 959 struct ibmvnic_tunables { 960 u64 rx_queues; 961 u64 tx_queues; 962 u64 rx_entries; 963 u64 tx_entries; 964 u64 mtu; 965 struct sockaddr mac; 966 }; 967 968 struct ibmvnic_adapter { 969 struct vio_dev *vdev; 970 struct net_device *netdev; 971 struct ibmvnic_crq_queue crq; 972 u8 mac_addr[ETH_ALEN]; 973 struct ibmvnic_query_ip_offload_buffer ip_offload_buf; 974 dma_addr_t ip_offload_tok; 975 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; 976 dma_addr_t ip_offload_ctrl_tok; 977 u32 msg_enable; 978 u32 priv_flags; 979 980 /* Vital Product Data (VPD) */ 981 struct ibmvnic_vpd *vpd; 982 char fw_version[32]; 983 984 /* Statistics */ 985 struct ibmvnic_statistics stats; 986 dma_addr_t stats_token; 987 struct completion stats_done; 988 spinlock_t stats_lock; 989 int replenish_no_mem; 990 int replenish_add_buff_success; 991 int replenish_add_buff_failure; 992 int replenish_task_cycles; 993 int tx_send_failed; 994 int tx_map_failed; 995 996 struct ibmvnic_tx_queue_stats *tx_stats_buffers; 997 struct ibmvnic_rx_queue_stats *rx_stats_buffers; 998 999 int phys_link_state; 1000 int logical_link_state; 1001 1002 /* login data */ 1003 struct ibmvnic_login_buffer *login_buf; 1004 dma_addr_t login_buf_token; 1005 int login_buf_sz; 1006 1007 struct ibmvnic_login_rsp_buffer *login_rsp_buf; 1008 dma_addr_t login_rsp_buf_token; 1009 int login_rsp_buf_sz; 1010 1011 atomic_t running_cap_crqs; 1012 bool wait_capability; 1013 1014 struct ibmvnic_sub_crq_queue **tx_scrq; 1015 struct ibmvnic_sub_crq_queue **rx_scrq; 1016 1017 /* rx structs */ 1018 struct napi_struct *napi; 1019 struct ibmvnic_rx_pool *rx_pool; 1020 u64 promisc; 1021 1022 struct ibmvnic_tx_pool *tx_pool; 1023 struct ibmvnic_tx_pool *tso_pool; 1024 struct completion init_done; 1025 int init_done_rc; 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 u32 num_active_rx_scrqs; 1070 u32 num_active_rx_pools; 1071 u32 num_active_rx_napi; 1072 u32 num_active_tx_scrqs; 1073 u32 num_active_tx_pools; 1074 1075 struct tasklet_struct tasklet; 1076 enum vnic_state state; 1077 enum ibmvnic_reset_reason reset_reason; 1078 spinlock_t rwi_lock; 1079 struct list_head rwi_list; 1080 struct work_struct ibmvnic_reset; 1081 bool resetting; 1082 bool napi_enabled, from_passive_init; 1083 1084 bool mac_change_pending; 1085 bool failover_pending; 1086 bool force_reset_recovery; 1087 1088 struct ibmvnic_tunables desired; 1089 struct ibmvnic_tunables fallback; 1090 }; 1091