1 /* 2 * Linux driver for VMware's vmxnet3 ethernet NIC. 3 * 4 * Copyright (C) 2008-2015, VMware, Inc. All Rights Reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; version 2 of the License and no later version. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 13 * NON INFRINGEMENT. See the GNU General Public License for more 14 * details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * The full GNU General Public License is included in this distribution in 21 * the file called "COPYING". 22 * 23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> 24 * 25 */ 26 27 #ifndef _VMXNET3_DEFS_H_ 28 #define _VMXNET3_DEFS_H_ 29 30 #include "upt1_defs.h" 31 32 /* all registers are 32 bit wide */ 33 /* BAR 1 */ 34 enum { 35 VMXNET3_REG_VRRS = 0x0, /* Vmxnet3 Revision Report Selection */ 36 VMXNET3_REG_UVRS = 0x8, /* UPT Version Report Selection */ 37 VMXNET3_REG_DSAL = 0x10, /* Driver Shared Address Low */ 38 VMXNET3_REG_DSAH = 0x18, /* Driver Shared Address High */ 39 VMXNET3_REG_CMD = 0x20, /* Command */ 40 VMXNET3_REG_MACL = 0x28, /* MAC Address Low */ 41 VMXNET3_REG_MACH = 0x30, /* MAC Address High */ 42 VMXNET3_REG_ICR = 0x38, /* Interrupt Cause Register */ 43 VMXNET3_REG_ECR = 0x40 /* Event Cause Register */ 44 }; 45 46 /* BAR 0 */ 47 enum { 48 VMXNET3_REG_IMR = 0x0, /* Interrupt Mask Register */ 49 VMXNET3_REG_TXPROD = 0x600, /* Tx Producer Index */ 50 VMXNET3_REG_RXPROD = 0x800, /* Rx Producer Index for ring 1 */ 51 VMXNET3_REG_RXPROD2 = 0xA00 /* Rx Producer Index for ring 2 */ 52 }; 53 54 #define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */ 55 #define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */ 56 57 #define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */ 58 #define VMXNET3_REG_ALIGN_MASK 0x7 59 60 /* I/O Mapped access to registers */ 61 #define VMXNET3_IO_TYPE_PT 0 62 #define VMXNET3_IO_TYPE_VD 1 63 #define VMXNET3_IO_ADDR(type, reg) (((type) << 24) | ((reg) & 0xFFFFFF)) 64 #define VMXNET3_IO_TYPE(addr) ((addr) >> 24) 65 #define VMXNET3_IO_REG(addr) ((addr) & 0xFFFFFF) 66 67 enum { 68 VMXNET3_CMD_FIRST_SET = 0xCAFE0000, 69 VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET, 70 VMXNET3_CMD_QUIESCE_DEV, 71 VMXNET3_CMD_RESET_DEV, 72 VMXNET3_CMD_UPDATE_RX_MODE, 73 VMXNET3_CMD_UPDATE_MAC_FILTERS, 74 VMXNET3_CMD_UPDATE_VLAN_FILTERS, 75 VMXNET3_CMD_UPDATE_RSSIDT, 76 VMXNET3_CMD_UPDATE_IML, 77 VMXNET3_CMD_UPDATE_PMCFG, 78 VMXNET3_CMD_UPDATE_FEATURE, 79 VMXNET3_CMD_LOAD_PLUGIN, 80 81 VMXNET3_CMD_FIRST_GET = 0xF00D0000, 82 VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET, 83 VMXNET3_CMD_GET_STATS, 84 VMXNET3_CMD_GET_LINK, 85 VMXNET3_CMD_GET_PERM_MAC_LO, 86 VMXNET3_CMD_GET_PERM_MAC_HI, 87 VMXNET3_CMD_GET_DID_LO, 88 VMXNET3_CMD_GET_DID_HI, 89 VMXNET3_CMD_GET_DEV_EXTRA_INFO, 90 VMXNET3_CMD_GET_CONF_INTR 91 }; 92 93 /* 94 * Little Endian layout of bitfields - 95 * Byte 0 : 7.....len.....0 96 * Byte 1 : rsvd gen 13.len.8 97 * Byte 2 : 5.msscof.0 ext1 dtype 98 * Byte 3 : 13...msscof...6 99 * 100 * Big Endian layout of bitfields - 101 * Byte 0: 13...msscof...6 102 * Byte 1 : 5.msscof.0 ext1 dtype 103 * Byte 2 : rsvd gen 13.len.8 104 * Byte 3 : 7.....len.....0 105 * 106 * Thus, le32_to_cpu on the dword will allow the big endian driver to read 107 * the bit fields correctly. And cpu_to_le32 will convert bitfields 108 * bit fields written by big endian driver to format required by device. 109 */ 110 111 struct Vmxnet3_TxDesc { 112 __le64 addr; 113 114 #ifdef __BIG_ENDIAN_BITFIELD 115 u32 msscof:14; /* MSS, checksum offset, flags */ 116 u32 ext1:1; 117 u32 dtype:1; /* descriptor type */ 118 u32 rsvd:1; 119 u32 gen:1; /* generation bit */ 120 u32 len:14; 121 #else 122 u32 len:14; 123 u32 gen:1; /* generation bit */ 124 u32 rsvd:1; 125 u32 dtype:1; /* descriptor type */ 126 u32 ext1:1; 127 u32 msscof:14; /* MSS, checksum offset, flags */ 128 #endif /* __BIG_ENDIAN_BITFIELD */ 129 130 #ifdef __BIG_ENDIAN_BITFIELD 131 u32 tci:16; /* Tag to Insert */ 132 u32 ti:1; /* VLAN Tag Insertion */ 133 u32 ext2:1; 134 u32 cq:1; /* completion request */ 135 u32 eop:1; /* End Of Packet */ 136 u32 om:2; /* offload mode */ 137 u32 hlen:10; /* header len */ 138 #else 139 u32 hlen:10; /* header len */ 140 u32 om:2; /* offload mode */ 141 u32 eop:1; /* End Of Packet */ 142 u32 cq:1; /* completion request */ 143 u32 ext2:1; 144 u32 ti:1; /* VLAN Tag Insertion */ 145 u32 tci:16; /* Tag to Insert */ 146 #endif /* __BIG_ENDIAN_BITFIELD */ 147 }; 148 149 /* TxDesc.OM values */ 150 #define VMXNET3_OM_NONE 0 151 #define VMXNET3_OM_CSUM 2 152 #define VMXNET3_OM_TSO 3 153 154 /* fields in TxDesc we access w/o using bit fields */ 155 #define VMXNET3_TXD_EOP_SHIFT 12 156 #define VMXNET3_TXD_CQ_SHIFT 13 157 #define VMXNET3_TXD_GEN_SHIFT 14 158 #define VMXNET3_TXD_EOP_DWORD_SHIFT 3 159 #define VMXNET3_TXD_GEN_DWORD_SHIFT 2 160 161 #define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT) 162 #define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT) 163 #define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT) 164 165 #define VMXNET3_HDR_COPY_SIZE 128 166 167 168 struct Vmxnet3_TxDataDesc { 169 u8 data[VMXNET3_HDR_COPY_SIZE]; 170 }; 171 172 #define VMXNET3_TCD_GEN_SHIFT 31 173 #define VMXNET3_TCD_GEN_SIZE 1 174 #define VMXNET3_TCD_TXIDX_SHIFT 0 175 #define VMXNET3_TCD_TXIDX_SIZE 12 176 #define VMXNET3_TCD_GEN_DWORD_SHIFT 3 177 178 struct Vmxnet3_TxCompDesc { 179 u32 txdIdx:12; /* Index of the EOP TxDesc */ 180 u32 ext1:20; 181 182 __le32 ext2; 183 __le32 ext3; 184 185 u32 rsvd:24; 186 u32 type:7; /* completion type */ 187 u32 gen:1; /* generation bit */ 188 }; 189 190 struct Vmxnet3_RxDesc { 191 __le64 addr; 192 193 #ifdef __BIG_ENDIAN_BITFIELD 194 u32 gen:1; /* Generation bit */ 195 u32 rsvd:15; 196 u32 dtype:1; /* Descriptor type */ 197 u32 btype:1; /* Buffer Type */ 198 u32 len:14; 199 #else 200 u32 len:14; 201 u32 btype:1; /* Buffer Type */ 202 u32 dtype:1; /* Descriptor type */ 203 u32 rsvd:15; 204 u32 gen:1; /* Generation bit */ 205 #endif 206 u32 ext1; 207 }; 208 209 /* values of RXD.BTYPE */ 210 #define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */ 211 #define VMXNET3_RXD_BTYPE_BODY 1 /* body only */ 212 213 /* fields in RxDesc we access w/o using bit fields */ 214 #define VMXNET3_RXD_BTYPE_SHIFT 14 215 #define VMXNET3_RXD_GEN_SHIFT 31 216 217 struct Vmxnet3_RxCompDesc { 218 #ifdef __BIG_ENDIAN_BITFIELD 219 u32 ext2:1; 220 u32 cnc:1; /* Checksum Not Calculated */ 221 u32 rssType:4; /* RSS hash type used */ 222 u32 rqID:10; /* rx queue/ring ID */ 223 u32 sop:1; /* Start of Packet */ 224 u32 eop:1; /* End of Packet */ 225 u32 ext1:2; 226 u32 rxdIdx:12; /* Index of the RxDesc */ 227 #else 228 u32 rxdIdx:12; /* Index of the RxDesc */ 229 u32 ext1:2; 230 u32 eop:1; /* End of Packet */ 231 u32 sop:1; /* Start of Packet */ 232 u32 rqID:10; /* rx queue/ring ID */ 233 u32 rssType:4; /* RSS hash type used */ 234 u32 cnc:1; /* Checksum Not Calculated */ 235 u32 ext2:1; 236 #endif /* __BIG_ENDIAN_BITFIELD */ 237 238 __le32 rssHash; /* RSS hash value */ 239 240 #ifdef __BIG_ENDIAN_BITFIELD 241 u32 tci:16; /* Tag stripped */ 242 u32 ts:1; /* Tag is stripped */ 243 u32 err:1; /* Error */ 244 u32 len:14; /* data length */ 245 #else 246 u32 len:14; /* data length */ 247 u32 err:1; /* Error */ 248 u32 ts:1; /* Tag is stripped */ 249 u32 tci:16; /* Tag stripped */ 250 #endif /* __BIG_ENDIAN_BITFIELD */ 251 252 253 #ifdef __BIG_ENDIAN_BITFIELD 254 u32 gen:1; /* generation bit */ 255 u32 type:7; /* completion type */ 256 u32 fcs:1; /* Frame CRC correct */ 257 u32 frg:1; /* IP Fragment */ 258 u32 v4:1; /* IPv4 */ 259 u32 v6:1; /* IPv6 */ 260 u32 ipc:1; /* IP Checksum Correct */ 261 u32 tcp:1; /* TCP packet */ 262 u32 udp:1; /* UDP packet */ 263 u32 tuc:1; /* TCP/UDP Checksum Correct */ 264 u32 csum:16; 265 #else 266 u32 csum:16; 267 u32 tuc:1; /* TCP/UDP Checksum Correct */ 268 u32 udp:1; /* UDP packet */ 269 u32 tcp:1; /* TCP packet */ 270 u32 ipc:1; /* IP Checksum Correct */ 271 u32 v6:1; /* IPv6 */ 272 u32 v4:1; /* IPv4 */ 273 u32 frg:1; /* IP Fragment */ 274 u32 fcs:1; /* Frame CRC correct */ 275 u32 type:7; /* completion type */ 276 u32 gen:1; /* generation bit */ 277 #endif /* __BIG_ENDIAN_BITFIELD */ 278 }; 279 280 struct Vmxnet3_RxCompDescExt { 281 __le32 dword1; 282 u8 segCnt; /* Number of aggregated packets */ 283 u8 dupAckCnt; /* Number of duplicate Acks */ 284 __le16 tsDelta; /* TCP timestamp difference */ 285 __le32 dword2; 286 #ifdef __BIG_ENDIAN_BITFIELD 287 u32 gen:1; /* generation bit */ 288 u32 type:7; /* completion type */ 289 u32 fcs:1; /* Frame CRC correct */ 290 u32 frg:1; /* IP Fragment */ 291 u32 v4:1; /* IPv4 */ 292 u32 v6:1; /* IPv6 */ 293 u32 ipc:1; /* IP Checksum Correct */ 294 u32 tcp:1; /* TCP packet */ 295 u32 udp:1; /* UDP packet */ 296 u32 tuc:1; /* TCP/UDP Checksum Correct */ 297 u32 mss:16; 298 #else 299 u32 mss:16; 300 u32 tuc:1; /* TCP/UDP Checksum Correct */ 301 u32 udp:1; /* UDP packet */ 302 u32 tcp:1; /* TCP packet */ 303 u32 ipc:1; /* IP Checksum Correct */ 304 u32 v6:1; /* IPv6 */ 305 u32 v4:1; /* IPv4 */ 306 u32 frg:1; /* IP Fragment */ 307 u32 fcs:1; /* Frame CRC correct */ 308 u32 type:7; /* completion type */ 309 u32 gen:1; /* generation bit */ 310 #endif /* __BIG_ENDIAN_BITFIELD */ 311 }; 312 313 314 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */ 315 #define VMXNET3_RCD_TUC_SHIFT 16 316 #define VMXNET3_RCD_IPC_SHIFT 19 317 318 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */ 319 #define VMXNET3_RCD_TYPE_SHIFT 56 320 #define VMXNET3_RCD_GEN_SHIFT 63 321 322 /* csum OK for TCP/UDP pkts over IP */ 323 #define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \ 324 1 << VMXNET3_RCD_IPC_SHIFT) 325 #define VMXNET3_TXD_GEN_SIZE 1 326 #define VMXNET3_TXD_EOP_SIZE 1 327 328 /* value of RxCompDesc.rssType */ 329 enum { 330 VMXNET3_RCD_RSS_TYPE_NONE = 0, 331 VMXNET3_RCD_RSS_TYPE_IPV4 = 1, 332 VMXNET3_RCD_RSS_TYPE_TCPIPV4 = 2, 333 VMXNET3_RCD_RSS_TYPE_IPV6 = 3, 334 VMXNET3_RCD_RSS_TYPE_TCPIPV6 = 4, 335 }; 336 337 338 /* a union for accessing all cmd/completion descriptors */ 339 union Vmxnet3_GenericDesc { 340 __le64 qword[2]; 341 __le32 dword[4]; 342 __le16 word[8]; 343 struct Vmxnet3_TxDesc txd; 344 struct Vmxnet3_RxDesc rxd; 345 struct Vmxnet3_TxCompDesc tcd; 346 struct Vmxnet3_RxCompDesc rcd; 347 struct Vmxnet3_RxCompDescExt rcdExt; 348 }; 349 350 #define VMXNET3_INIT_GEN 1 351 352 /* Max size of a single tx buffer */ 353 #define VMXNET3_MAX_TX_BUF_SIZE (1 << 14) 354 355 /* # of tx desc needed for a tx buffer size */ 356 #define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \ 357 VMXNET3_MAX_TX_BUF_SIZE) 358 359 /* max # of tx descs for a non-tso pkt */ 360 #define VMXNET3_MAX_TXD_PER_PKT 16 361 362 /* Max size of a single rx buffer */ 363 #define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1) 364 /* Minimum size of a type 0 buffer */ 365 #define VMXNET3_MIN_T0_BUF_SIZE 128 366 #define VMXNET3_MAX_CSUM_OFFSET 1024 367 368 /* Ring base address alignment */ 369 #define VMXNET3_RING_BA_ALIGN 512 370 #define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1) 371 372 /* Ring size must be a multiple of 32 */ 373 #define VMXNET3_RING_SIZE_ALIGN 32 374 #define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1) 375 376 /* Max ring size */ 377 #define VMXNET3_TX_RING_MAX_SIZE 4096 378 #define VMXNET3_TC_RING_MAX_SIZE 4096 379 #define VMXNET3_RX_RING_MAX_SIZE 4096 380 #define VMXNET3_RX_RING2_MAX_SIZE 2048 381 #define VMXNET3_RC_RING_MAX_SIZE 8192 382 383 /* a list of reasons for queue stop */ 384 385 enum { 386 VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */ 387 VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */ 388 VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */ 389 VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */ 390 VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */ 391 VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */ 392 VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */ 393 VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */ 394 }; 395 396 /* completion descriptor types */ 397 #define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */ 398 #define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */ 399 #define VMXNET3_CDTYPE_RXCOMP_LRO 4 /* Rx Completion Descriptor for LRO */ 400 401 enum { 402 VMXNET3_GOS_BITS_UNK = 0, /* unknown */ 403 VMXNET3_GOS_BITS_32 = 1, 404 VMXNET3_GOS_BITS_64 = 2, 405 }; 406 407 #define VMXNET3_GOS_TYPE_LINUX 1 408 409 410 struct Vmxnet3_GOSInfo { 411 #ifdef __BIG_ENDIAN_BITFIELD 412 u32 gosMisc:10; /* other info about gos */ 413 u32 gosVer:16; /* gos version */ 414 u32 gosType:4; /* which guest */ 415 u32 gosBits:2; /* 32-bit or 64-bit? */ 416 #else 417 u32 gosBits:2; /* 32-bit or 64-bit? */ 418 u32 gosType:4; /* which guest */ 419 u32 gosVer:16; /* gos version */ 420 u32 gosMisc:10; /* other info about gos */ 421 #endif /* __BIG_ENDIAN_BITFIELD */ 422 }; 423 424 struct Vmxnet3_DriverInfo { 425 __le32 version; 426 struct Vmxnet3_GOSInfo gos; 427 __le32 vmxnet3RevSpt; 428 __le32 uptVerSpt; 429 }; 430 431 432 #define VMXNET3_REV1_MAGIC 3133079265u 433 434 /* 435 * QueueDescPA must be 128 bytes aligned. It points to an array of 436 * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc. 437 * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by 438 * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively. 439 */ 440 #define VMXNET3_QUEUE_DESC_ALIGN 128 441 442 443 struct Vmxnet3_MiscConf { 444 struct Vmxnet3_DriverInfo driverInfo; 445 __le64 uptFeatures; 446 __le64 ddPA; /* driver data PA */ 447 __le64 queueDescPA; /* queue descriptor table PA */ 448 __le32 ddLen; /* driver data len */ 449 __le32 queueDescLen; /* queue desc. table len in bytes */ 450 __le32 mtu; 451 __le16 maxNumRxSG; 452 u8 numTxQueues; 453 u8 numRxQueues; 454 __le32 reserved[4]; 455 }; 456 457 458 struct Vmxnet3_TxQueueConf { 459 __le64 txRingBasePA; 460 __le64 dataRingBasePA; 461 __le64 compRingBasePA; 462 __le64 ddPA; /* driver data */ 463 __le64 reserved; 464 __le32 txRingSize; /* # of tx desc */ 465 __le32 dataRingSize; /* # of data desc */ 466 __le32 compRingSize; /* # of comp desc */ 467 __le32 ddLen; /* size of driver data */ 468 u8 intrIdx; 469 u8 _pad[7]; 470 }; 471 472 473 struct Vmxnet3_RxQueueConf { 474 __le64 rxRingBasePA[2]; 475 __le64 compRingBasePA; 476 __le64 ddPA; /* driver data */ 477 __le64 reserved; 478 __le32 rxRingSize[2]; /* # of rx desc */ 479 __le32 compRingSize; /* # of rx comp desc */ 480 __le32 ddLen; /* size of driver data */ 481 u8 intrIdx; 482 u8 _pad[7]; 483 }; 484 485 486 enum vmxnet3_intr_mask_mode { 487 VMXNET3_IMM_AUTO = 0, 488 VMXNET3_IMM_ACTIVE = 1, 489 VMXNET3_IMM_LAZY = 2 490 }; 491 492 enum vmxnet3_intr_type { 493 VMXNET3_IT_AUTO = 0, 494 VMXNET3_IT_INTX = 1, 495 VMXNET3_IT_MSI = 2, 496 VMXNET3_IT_MSIX = 3 497 }; 498 499 #define VMXNET3_MAX_TX_QUEUES 8 500 #define VMXNET3_MAX_RX_QUEUES 16 501 /* addition 1 for events */ 502 #define VMXNET3_MAX_INTRS 25 503 504 /* value of intrCtrl */ 505 #define VMXNET3_IC_DISABLE_ALL 0x1 /* bit 0 */ 506 507 508 struct Vmxnet3_IntrConf { 509 bool autoMask; 510 u8 numIntrs; /* # of interrupts */ 511 u8 eventIntrIdx; 512 u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for 513 * each intr */ 514 __le32 intrCtrl; 515 __le32 reserved[2]; 516 }; 517 518 /* one bit per VLAN ID, the size is in the units of u32 */ 519 #define VMXNET3_VFT_SIZE (4096 / (sizeof(u32) * 8)) 520 521 522 struct Vmxnet3_QueueStatus { 523 bool stopped; 524 u8 _pad[3]; 525 __le32 error; 526 }; 527 528 529 struct Vmxnet3_TxQueueCtrl { 530 __le32 txNumDeferred; 531 __le32 txThreshold; 532 __le64 reserved; 533 }; 534 535 536 struct Vmxnet3_RxQueueCtrl { 537 bool updateRxProd; 538 u8 _pad[7]; 539 __le64 reserved; 540 }; 541 542 enum { 543 VMXNET3_RXM_UCAST = 0x01, /* unicast only */ 544 VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */ 545 VMXNET3_RXM_BCAST = 0x04, /* broadcast only */ 546 VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */ 547 VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */ 548 }; 549 550 struct Vmxnet3_RxFilterConf { 551 __le32 rxMode; /* VMXNET3_RXM_xxx */ 552 __le16 mfTableLen; /* size of the multicast filter table */ 553 __le16 _pad1; 554 __le64 mfTablePA; /* PA of the multicast filters table */ 555 __le32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */ 556 }; 557 558 559 #define VMXNET3_PM_MAX_FILTERS 6 560 #define VMXNET3_PM_MAX_PATTERN_SIZE 128 561 #define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8) 562 563 #define VMXNET3_PM_WAKEUP_MAGIC cpu_to_le16(0x01) /* wake up on magic pkts */ 564 #define VMXNET3_PM_WAKEUP_FILTER cpu_to_le16(0x02) /* wake up on pkts matching 565 * filters */ 566 567 568 struct Vmxnet3_PM_PktFilter { 569 u8 maskSize; 570 u8 patternSize; 571 u8 mask[VMXNET3_PM_MAX_MASK_SIZE]; 572 u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE]; 573 u8 pad[6]; 574 }; 575 576 577 struct Vmxnet3_PMConf { 578 __le16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */ 579 u8 numFilters; 580 u8 pad[5]; 581 struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS]; 582 }; 583 584 585 struct Vmxnet3_VariableLenConfDesc { 586 __le32 confVer; 587 __le32 confLen; 588 __le64 confPA; 589 }; 590 591 592 struct Vmxnet3_TxQueueDesc { 593 struct Vmxnet3_TxQueueCtrl ctrl; 594 struct Vmxnet3_TxQueueConf conf; 595 596 /* Driver read after a GET command */ 597 struct Vmxnet3_QueueStatus status; 598 struct UPT1_TxStats stats; 599 u8 _pad[88]; /* 128 aligned */ 600 }; 601 602 603 struct Vmxnet3_RxQueueDesc { 604 struct Vmxnet3_RxQueueCtrl ctrl; 605 struct Vmxnet3_RxQueueConf conf; 606 /* Driver read after a GET commad */ 607 struct Vmxnet3_QueueStatus status; 608 struct UPT1_RxStats stats; 609 u8 __pad[88]; /* 128 aligned */ 610 }; 611 612 613 struct Vmxnet3_DSDevRead { 614 /* read-only region for device, read by dev in response to a SET cmd */ 615 struct Vmxnet3_MiscConf misc; 616 struct Vmxnet3_IntrConf intrConf; 617 struct Vmxnet3_RxFilterConf rxFilterConf; 618 struct Vmxnet3_VariableLenConfDesc rssConfDesc; 619 struct Vmxnet3_VariableLenConfDesc pmConfDesc; 620 struct Vmxnet3_VariableLenConfDesc pluginConfDesc; 621 }; 622 623 /* All structures in DriverShared are padded to multiples of 8 bytes */ 624 struct Vmxnet3_DriverShared { 625 __le32 magic; 626 /* make devRead start at 64bit boundaries */ 627 __le32 pad; 628 struct Vmxnet3_DSDevRead devRead; 629 __le32 ecr; 630 __le32 reserved[5]; 631 }; 632 633 634 #define VMXNET3_ECR_RQERR (1 << 0) 635 #define VMXNET3_ECR_TQERR (1 << 1) 636 #define VMXNET3_ECR_LINK (1 << 2) 637 #define VMXNET3_ECR_DIC (1 << 3) 638 #define VMXNET3_ECR_DEBUG (1 << 4) 639 640 /* flip the gen bit of a ring */ 641 #define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1) 642 643 /* only use this if moving the idx won't affect the gen bit */ 644 #define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \ 645 do {\ 646 (idx)++;\ 647 if (unlikely((idx) == (ring_size))) {\ 648 (idx) = 0;\ 649 } \ 650 } while (0) 651 652 #define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \ 653 (vfTable[vid >> 5] |= (1 << (vid & 31))) 654 #define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \ 655 (vfTable[vid >> 5] &= ~(1 << (vid & 31))) 656 657 #define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \ 658 ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0) 659 660 #define VMXNET3_MAX_MTU 9000 661 #define VMXNET3_MIN_MTU 60 662 663 #define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */ 664 #define VMXNET3_LINK_DOWN 0 665 666 #endif /* _VMXNET3_DEFS_H_ */ 667