2 * Linux driver for VMware's vmxnet3 ethernet NIC.
4 * Copyright (C) 2008-2024, VMware, Inc. All Rights Reserved.
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.
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
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.
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
27 #ifndef _VMXNET3_DEFS_H_
28 #define _VMXNET3_DEFS_H_
30 #include "upt1_defs.h"
32 /* all registers are 32 bit wide */
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 VMXNET3_REG_DCR = 0x48, /* Device capability register,
47 VMXNET3_REG_PTCR = 0x88, /* Passthru capbility register
54 VMXNET3_REG_IMR = 0x0, /* Interrupt Mask Register */
55 VMXNET3_REG_TXPROD = 0x600, /* Tx Producer Index */
56 VMXNET3_REG_RXPROD = 0x800, /* Rx Producer Index for ring 1 */
57 VMXNET3_REG_RXPROD2 = 0xA00 /* Rx Producer Index for ring 2 */
60 /* For Large PT BAR, the following offset to DB register */
62 VMXNET3_REG_LB_TXPROD = 0x1000, /* Tx Producer Index */
63 VMXNET3_REG_LB_RXPROD = 0x1400, /* Rx Producer Index for ring 1 */
64 VMXNET3_REG_LB_RXPROD2 = 0x1800, /* Rx Producer Index for ring 2 */
67 #define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */
68 #define VMXNET3_LARGE_PT_REG_SIZE 8192 /* large PT pages */
69 #define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */
70 #define VMXNET3_LARGE_BAR0_REG_SIZE (4096 * 4096) /* LARGE BAR 0 */
71 #define VMXNET3_OOB_REG_SIZE (4094 * 4096) /* OOB pages */
73 #define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */
74 #define VMXNET3_REG_ALIGN_MASK 0x7
76 /* I/O Mapped access to registers */
77 #define VMXNET3_IO_TYPE_PT 0
78 #define VMXNET3_IO_TYPE_VD 1
79 #define VMXNET3_IO_ADDR(type, reg) (((type) << 24) | ((reg) & 0xFFFFFF))
80 #define VMXNET3_IO_TYPE(addr) ((addr) >> 24)
81 #define VMXNET3_IO_REG(addr) ((addr) & 0xFFFFFF)
83 #define VMXNET3_PMC_PSEUDO_TSC 0x10003
86 VMXNET3_CMD_FIRST_SET = 0xCAFE0000,
87 VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET,
88 VMXNET3_CMD_QUIESCE_DEV,
89 VMXNET3_CMD_RESET_DEV,
90 VMXNET3_CMD_UPDATE_RX_MODE,
91 VMXNET3_CMD_UPDATE_MAC_FILTERS,
92 VMXNET3_CMD_UPDATE_VLAN_FILTERS,
93 VMXNET3_CMD_UPDATE_RSSIDT,
94 VMXNET3_CMD_UPDATE_IML,
95 VMXNET3_CMD_UPDATE_PMCFG,
96 VMXNET3_CMD_UPDATE_FEATURE,
97 VMXNET3_CMD_RESERVED1,
98 VMXNET3_CMD_LOAD_PLUGIN,
99 VMXNET3_CMD_RESERVED2,
100 VMXNET3_CMD_RESERVED3,
101 VMXNET3_CMD_SET_COALESCE,
102 VMXNET3_CMD_REGISTER_MEMREGS,
103 VMXNET3_CMD_SET_RSS_FIELDS,
104 VMXNET3_CMD_RESERVED4,
105 VMXNET3_CMD_RESERVED5,
106 VMXNET3_CMD_SET_RING_BUFFER_SIZE,
108 VMXNET3_CMD_FIRST_GET = 0xF00D0000,
109 VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
110 VMXNET3_CMD_GET_STATS,
111 VMXNET3_CMD_GET_LINK,
112 VMXNET3_CMD_GET_PERM_MAC_LO,
113 VMXNET3_CMD_GET_PERM_MAC_HI,
114 VMXNET3_CMD_GET_DID_LO,
115 VMXNET3_CMD_GET_DID_HI,
116 VMXNET3_CMD_GET_DEV_EXTRA_INFO,
117 VMXNET3_CMD_GET_CONF_INTR,
118 VMXNET3_CMD_GET_RESERVED1,
119 VMXNET3_CMD_GET_TXDATA_DESC_SIZE,
120 VMXNET3_CMD_GET_COALESCE,
121 VMXNET3_CMD_GET_RSS_FIELDS,
122 VMXNET3_CMD_GET_RESERVED2,
123 VMXNET3_CMD_GET_RESERVED3,
124 VMXNET3_CMD_GET_MAX_QUEUES_CONF,
125 VMXNET3_CMD_GET_RESERVED4,
126 VMXNET3_CMD_GET_MAX_CAPABILITIES,
127 VMXNET3_CMD_GET_DCR0_REG,
128 VMXNET3_CMD_GET_TSRING_DESC_SIZE,
129 VMXNET3_CMD_GET_DISABLED_OFFLOADS,
133 * Little Endian layout of bitfields -
134 * Byte 0 : 7.....len.....0
135 * Byte 1 : oco gen 13.len.8
136 * Byte 2 : 5.msscof.0 ext1 dtype
137 * Byte 3 : 13...msscof...6
139 * Big Endian layout of bitfields -
140 * Byte 0: 13...msscof...6
141 * Byte 1 : 5.msscof.0 ext1 dtype
142 * Byte 2 : oco gen 13.len.8
143 * Byte 3 : 7.....len.....0
145 * Thus, le32_to_cpu on the dword will allow the big endian driver to read
146 * the bit fields correctly. And cpu_to_le32 will convert bitfields
147 * bit fields written by big endian driver to format required by device.
150 struct Vmxnet3_TxDesc {
153 #ifdef __BIG_ENDIAN_BITFIELD
154 u32 msscof:14; /* MSS, checksum offset, flags */
155 u32 ext1:1; /* set to 1 to indicate inner csum/tso, vmxnet3 v7 */
156 u32 dtype:1; /* descriptor type */
157 u32 oco:1; /* Outer csum offload */
158 u32 gen:1; /* generation bit */
162 u32 gen:1; /* generation bit */
163 u32 oco:1; /* Outer csum offload */
164 u32 dtype:1; /* descriptor type */
165 u32 ext1:1; /* set to 1 to indicate inner csum/tso, vmxnet3 v7 */
166 u32 msscof:14; /* MSS, checksum offset, flags */
167 #endif /* __BIG_ENDIAN_BITFIELD */
169 #ifdef __BIG_ENDIAN_BITFIELD
170 u32 tci:16; /* Tag to Insert */
171 u32 ti:1; /* VLAN Tag Insertion */
173 u32 cq:1; /* completion request */
174 u32 eop:1; /* End Of Packet */
175 u32 om:2; /* offload mode */
176 u32 hlen:10; /* header len */
178 u32 hlen:10; /* header len */
179 u32 om:2; /* offload mode */
180 u32 eop:1; /* End Of Packet */
181 u32 cq:1; /* completion request */
183 u32 ti:1; /* VLAN Tag Insertion */
184 u32 tci:16; /* Tag to Insert */
185 #endif /* __BIG_ENDIAN_BITFIELD */
188 /* TxDesc.OM values */
189 #define VMXNET3_OM_NONE 0
190 #define VMXNET3_OM_ENCAP 1
191 #define VMXNET3_OM_CSUM 2
192 #define VMXNET3_OM_TSO 3
194 /* fields in TxDesc we access w/o using bit fields */
195 #define VMXNET3_TXD_EOP_SHIFT 12
196 #define VMXNET3_TXD_CQ_SHIFT 13
197 #define VMXNET3_TXD_GEN_SHIFT 14
198 #define VMXNET3_TXD_EOP_DWORD_SHIFT 3
199 #define VMXNET3_TXD_GEN_DWORD_SHIFT 2
201 #define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT)
202 #define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT)
203 #define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT)
205 #define VMXNET3_HDR_COPY_SIZE 128
208 struct Vmxnet3_TxDataDesc {
209 u8 data[VMXNET3_HDR_COPY_SIZE];
212 typedef u8 Vmxnet3_RxDataDesc;
214 #define VMXNET3_TCD_GEN_SHIFT 31
215 #define VMXNET3_TCD_GEN_SIZE 1
216 #define VMXNET3_TCD_TXIDX_SHIFT 0
217 #define VMXNET3_TCD_TXIDX_SIZE 12
218 #define VMXNET3_TCD_GEN_DWORD_SHIFT 3
220 struct Vmxnet3_TxCompDesc {
221 u32 txdIdx:12; /* Index of the EOP TxDesc */
228 u32 type:7; /* completion type */
229 u32 gen:1; /* generation bit */
232 struct Vmxnet3_RxDesc {
235 #ifdef __BIG_ENDIAN_BITFIELD
236 u32 gen:1; /* Generation bit */
238 u32 dtype:1; /* Descriptor type */
239 u32 btype:1; /* Buffer Type */
243 u32 btype:1; /* Buffer Type */
244 u32 dtype:1; /* Descriptor type */
246 u32 gen:1; /* Generation bit */
251 /* values of RXD.BTYPE */
252 #define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */
253 #define VMXNET3_RXD_BTYPE_BODY 1 /* body only */
255 /* fields in RxDesc we access w/o using bit fields */
256 #define VMXNET3_RXD_BTYPE_SHIFT 14
257 #define VMXNET3_RXD_GEN_SHIFT 31
259 #define VMXNET3_RCD_HDR_INNER_SHIFT 13
261 struct Vmxnet3TSInfo {
264 u64 tsi:1; //bit to indicate to set ts
269 struct Vmxnet3_TxTSDesc {
270 struct Vmxnet3TSInfo ts;
274 struct Vmxnet3_RxTSDesc {
275 struct Vmxnet3TSInfo ts;
279 struct Vmxnet3_RxCompDesc {
280 #ifdef __BIG_ENDIAN_BITFIELD
282 u32 cnc:1; /* Checksum Not Calculated */
283 u32 rssType:4; /* RSS hash type used */
284 u32 rqID:10; /* rx queue/ring ID */
285 u32 sop:1; /* Start of Packet */
286 u32 eop:1; /* End of Packet */
287 u32 ext1:2; /* bit 0: indicating v4/v6/.. is for inner header */
288 /* bit 1: indicating rssType is based on inner header */
289 u32 rxdIdx:12; /* Index of the RxDesc */
291 u32 rxdIdx:12; /* Index of the RxDesc */
292 u32 ext1:2; /* bit 0: indicating v4/v6/.. is for inner header */
293 /* bit 1: indicating rssType is based on inner header */
294 u32 eop:1; /* End of Packet */
295 u32 sop:1; /* Start of Packet */
296 u32 rqID:10; /* rx queue/ring ID */
297 u32 rssType:4; /* RSS hash type used */
298 u32 cnc:1; /* Checksum Not Calculated */
300 #endif /* __BIG_ENDIAN_BITFIELD */
302 __le32 rssHash; /* RSS hash value */
304 #ifdef __BIG_ENDIAN_BITFIELD
305 u32 tci:16; /* Tag stripped */
306 u32 ts:1; /* Tag is stripped */
307 u32 err:1; /* Error */
308 u32 len:14; /* data length */
310 u32 len:14; /* data length */
311 u32 err:1; /* Error */
312 u32 ts:1; /* Tag is stripped */
313 u32 tci:16; /* Tag stripped */
314 #endif /* __BIG_ENDIAN_BITFIELD */
317 #ifdef __BIG_ENDIAN_BITFIELD
318 u32 gen:1; /* generation bit */
319 u32 type:7; /* completion type */
320 u32 fcs:1; /* Frame CRC correct */
321 u32 frg:1; /* IP Fragment */
324 u32 ipc:1; /* IP Checksum Correct */
325 u32 tcp:1; /* TCP packet */
326 u32 udp:1; /* UDP packet */
327 u32 tuc:1; /* TCP/UDP Checksum Correct */
331 u32 tuc:1; /* TCP/UDP Checksum Correct */
332 u32 udp:1; /* UDP packet */
333 u32 tcp:1; /* TCP packet */
334 u32 ipc:1; /* IP Checksum Correct */
337 u32 frg:1; /* IP Fragment */
338 u32 fcs:1; /* Frame CRC correct */
339 u32 type:7; /* completion type */
340 u32 gen:1; /* generation bit */
341 #endif /* __BIG_ENDIAN_BITFIELD */
344 struct Vmxnet3_RxCompDescExt {
346 u8 segCnt; /* Number of aggregated packets */
347 u8 dupAckCnt; /* Number of duplicate Acks */
348 __le16 tsDelta; /* TCP timestamp difference */
350 #ifdef __BIG_ENDIAN_BITFIELD
351 u32 gen:1; /* generation bit */
352 u32 type:7; /* completion type */
353 u32 fcs:1; /* Frame CRC correct */
354 u32 frg:1; /* IP Fragment */
357 u32 ipc:1; /* IP Checksum Correct */
358 u32 tcp:1; /* TCP packet */
359 u32 udp:1; /* UDP packet */
360 u32 tuc:1; /* TCP/UDP Checksum Correct */
364 u32 tuc:1; /* TCP/UDP Checksum Correct */
365 u32 udp:1; /* UDP packet */
366 u32 tcp:1; /* TCP packet */
367 u32 ipc:1; /* IP Checksum Correct */
370 u32 frg:1; /* IP Fragment */
371 u32 fcs:1; /* Frame CRC correct */
372 u32 type:7; /* completion type */
373 u32 gen:1; /* generation bit */
374 #endif /* __BIG_ENDIAN_BITFIELD */
378 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
379 #define VMXNET3_RCD_TUC_SHIFT 16
380 #define VMXNET3_RCD_IPC_SHIFT 19
382 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */
383 #define VMXNET3_RCD_TYPE_SHIFT 56
384 #define VMXNET3_RCD_GEN_SHIFT 63
386 /* csum OK for TCP/UDP pkts over IP */
387 #define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
388 1 << VMXNET3_RCD_IPC_SHIFT)
389 #define VMXNET3_TXD_GEN_SIZE 1
390 #define VMXNET3_TXD_EOP_SIZE 1
392 /* value of RxCompDesc.rssType */
393 #define VMXNET3_RCD_RSS_TYPE_NONE 0
394 #define VMXNET3_RCD_RSS_TYPE_IPV4 1
395 #define VMXNET3_RCD_RSS_TYPE_TCPIPV4 2
396 #define VMXNET3_RCD_RSS_TYPE_IPV6 3
397 #define VMXNET3_RCD_RSS_TYPE_TCPIPV6 4
398 #define VMXNET3_RCD_RSS_TYPE_UDPIPV4 5
399 #define VMXNET3_RCD_RSS_TYPE_UDPIPV6 6
400 #define VMXNET3_RCD_RSS_TYPE_ESPIPV4 7
401 #define VMXNET3_RCD_RSS_TYPE_ESPIPV6 8
404 /* a union for accessing all cmd/completion descriptors */
405 union Vmxnet3_GenericDesc {
409 struct Vmxnet3_TxDesc txd;
410 struct Vmxnet3_RxDesc rxd;
411 struct Vmxnet3_TxCompDesc tcd;
412 struct Vmxnet3_RxCompDesc rcd;
413 struct Vmxnet3_RxCompDescExt rcdExt;
416 #define VMXNET3_INIT_GEN 1
418 /* Max size of a single tx buffer */
419 #define VMXNET3_MAX_TX_BUF_SIZE (1 << 14)
421 /* # of tx desc needed for a tx buffer size */
422 #define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
423 VMXNET3_MAX_TX_BUF_SIZE)
425 /* max # of tx descs for a non-tso pkt */
426 #define VMXNET3_MAX_TXD_PER_PKT 16
427 /* max # of tx descs for a tso pkt */
428 #define VMXNET3_MAX_TSO_TXD_PER_PKT 24
430 /* Max size of a single rx buffer */
431 #define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1)
432 /* Minimum size of a type 0 buffer */
433 #define VMXNET3_MIN_T0_BUF_SIZE 128
434 #define VMXNET3_MAX_CSUM_OFFSET 1024
436 /* Ring base address alignment */
437 #define VMXNET3_RING_BA_ALIGN 512
438 #define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1)
440 /* Ring size must be a multiple of 32 */
441 #define VMXNET3_RING_SIZE_ALIGN 32
442 #define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1)
444 /* Tx Data Ring buffer size must be a multiple of 64 */
445 #define VMXNET3_TXDATA_DESC_SIZE_ALIGN 64
446 #define VMXNET3_TXDATA_DESC_SIZE_MASK (VMXNET3_TXDATA_DESC_SIZE_ALIGN - 1)
448 /* Rx Data Ring buffer size must be a multiple of 64 */
449 #define VMXNET3_RXDATA_DESC_SIZE_ALIGN 64
450 #define VMXNET3_RXDATA_DESC_SIZE_MASK (VMXNET3_RXDATA_DESC_SIZE_ALIGN - 1)
452 /* Rx TS Ring buffer size must be a multiple of 64 bytes */
453 #define VMXNET3_RXTS_DESC_SIZE_ALIGN 64
454 #define VMXNET3_RXTS_DESC_SIZE_MASK (VMXNET3_RXTS_DESC_SIZE_ALIGN - 1)
455 /* Tx TS Ring buffer size must be a multiple of 64 bytes */
456 #define VMXNET3_TXTS_DESC_SIZE_ALIGN 64
457 #define VMXNET3_TXTS_DESC_SIZE_MASK (VMXNET3_TXTS_DESC_SIZE_ALIGN - 1)
460 #define VMXNET3_TX_RING_MAX_SIZE 4096
461 #define VMXNET3_TC_RING_MAX_SIZE 4096
462 #define VMXNET3_RX_RING_MAX_SIZE 4096
463 #define VMXNET3_RX_RING2_MAX_SIZE 4096
464 #define VMXNET3_RC_RING_MAX_SIZE 8192
466 #define VMXNET3_TXDATA_DESC_MIN_SIZE 128
467 #define VMXNET3_TXDATA_DESC_MAX_SIZE 2048
469 #define VMXNET3_RXDATA_DESC_MAX_SIZE 2048
471 #define VMXNET3_TXTS_DESC_MAX_SIZE 256
472 #define VMXNET3_RXTS_DESC_MAX_SIZE 256
474 /* a list of reasons for queue stop */
477 VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */
478 VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */
479 VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */
480 VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */
481 VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */
482 VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */
483 VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */
484 VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */
487 /* completion descriptor types */
488 #define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */
489 #define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */
490 #define VMXNET3_CDTYPE_RXCOMP_LRO 4 /* Rx Completion Descriptor for LRO */
493 VMXNET3_GOS_BITS_UNK = 0, /* unknown */
494 VMXNET3_GOS_BITS_32 = 1,
495 VMXNET3_GOS_BITS_64 = 2,
498 #define VMXNET3_GOS_TYPE_LINUX 1
501 struct Vmxnet3_GOSInfo {
502 #ifdef __BIG_ENDIAN_BITFIELD
503 u32 gosMisc:10; /* other info about gos */
504 u32 gosVer:16; /* gos version */
505 u32 gosType:4; /* which guest */
506 u32 gosBits:2; /* 32-bit or 64-bit? */
508 u32 gosBits:2; /* 32-bit or 64-bit? */
509 u32 gosType:4; /* which guest */
510 u32 gosVer:16; /* gos version */
511 u32 gosMisc:10; /* other info about gos */
512 #endif /* __BIG_ENDIAN_BITFIELD */
515 struct Vmxnet3_DriverInfo {
517 struct Vmxnet3_GOSInfo gos;
518 __le32 vmxnet3RevSpt;
523 #define VMXNET3_REV1_MAGIC 3133079265u
526 * QueueDescPA must be 128 bytes aligned. It points to an array of
527 * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc.
528 * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by
529 * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively.
531 #define VMXNET3_QUEUE_DESC_ALIGN 128
534 struct Vmxnet3_MiscConf {
535 struct Vmxnet3_DriverInfo driverInfo;
537 __le64 ddPA; /* driver data PA */
538 __le64 queueDescPA; /* queue descriptor table PA */
539 __le32 ddLen; /* driver data len */
540 __le32 queueDescLen; /* queue desc. table len in bytes */
549 struct Vmxnet3_TxQueueConf {
551 __le64 dataRingBasePA;
552 __le64 compRingBasePA;
553 __le64 ddPA; /* driver data */
555 __le32 txRingSize; /* # of tx desc */
556 __le32 dataRingSize; /* # of data desc */
557 __le32 compRingSize; /* # of comp desc */
558 __le32 ddLen; /* size of driver data */
561 __le16 txDataRingDescSize;
566 struct Vmxnet3_RxQueueConf {
567 __le64 rxRingBasePA[2];
568 __le64 compRingBasePA;
569 __le64 ddPA; /* driver data */
570 __le64 rxDataRingBasePA;
571 __le32 rxRingSize[2]; /* # of rx desc */
572 __le32 compRingSize; /* # of rx comp desc */
573 __le32 ddLen; /* size of driver data */
576 __le16 rxDataRingDescSize; /* size of rx data ring buffer */
581 struct Vmxnet3_LatencyConf {
586 struct Vmxnet3_TxQueueTSConf {
587 __le64 txTSRingBasePA;
588 __le16 txTSRingDescSize; /* size of tx timestamp ring buffer */
590 struct Vmxnet3_LatencyConf latencyConf;
593 struct Vmxnet3_RxQueueTSConf {
594 __le64 rxTSRingBasePA;
595 __le16 rxTSRingDescSize; /* size of rx timestamp ring buffer */
599 enum vmxnet3_intr_mask_mode {
600 VMXNET3_IMM_AUTO = 0,
601 VMXNET3_IMM_ACTIVE = 1,
605 enum vmxnet3_intr_type {
612 #define VMXNET3_MAX_TX_QUEUES 8
613 #define VMXNET3_MAX_RX_QUEUES 16
614 /* addition 1 for events */
615 #define VMXNET3_MAX_INTRS 25
617 /* Version 6 and later will use below macros */
618 #define VMXNET3_EXT_MAX_TX_QUEUES 32
619 #define VMXNET3_EXT_MAX_RX_QUEUES 32
620 /* addition 1 for events */
621 #define VMXNET3_EXT_MAX_INTRS 65
622 #define VMXNET3_FIRST_SET_INTRS 64
624 /* value of intrCtrl */
625 #define VMXNET3_IC_DISABLE_ALL 0x1 /* bit 0 */
628 struct Vmxnet3_IntrConf {
630 u8 numIntrs; /* # of interrupts */
632 u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for
638 struct Vmxnet3_IntrConfExt {
640 u8 numIntrs; /* # of interrupts */
645 u8 modLevels[VMXNET3_EXT_MAX_INTRS]; /* moderation level for
651 /* one bit per VLAN ID, the size is in the units of u32 */
652 #define VMXNET3_VFT_SIZE (4096 / (sizeof(u32) * 8))
655 struct Vmxnet3_QueueStatus {
662 struct Vmxnet3_TxQueueCtrl {
663 __le32 txNumDeferred;
669 struct Vmxnet3_RxQueueCtrl {
676 VMXNET3_RXM_UCAST = 0x01, /* unicast only */
677 VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */
678 VMXNET3_RXM_BCAST = 0x04, /* broadcast only */
679 VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */
680 VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */
683 struct Vmxnet3_RxFilterConf {
684 __le32 rxMode; /* VMXNET3_RXM_xxx */
685 __le16 mfTableLen; /* size of the multicast filter table */
687 __le64 mfTablePA; /* PA of the multicast filters table */
688 __le32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
692 #define VMXNET3_PM_MAX_FILTERS 6
693 #define VMXNET3_PM_MAX_PATTERN_SIZE 128
694 #define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8)
696 #define VMXNET3_PM_WAKEUP_MAGIC cpu_to_le16(0x01) /* wake up on magic pkts */
697 #define VMXNET3_PM_WAKEUP_FILTER cpu_to_le16(0x02) /* wake up on pkts matching
701 struct Vmxnet3_PM_PktFilter {
704 u8 mask[VMXNET3_PM_MAX_MASK_SIZE];
705 u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE];
710 struct Vmxnet3_PMConf {
711 __le16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */
714 struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
718 struct Vmxnet3_VariableLenConfDesc {
725 struct Vmxnet3_TxQueueDesc {
726 struct Vmxnet3_TxQueueCtrl ctrl;
727 struct Vmxnet3_TxQueueConf conf;
729 /* Driver read after a GET command */
730 struct Vmxnet3_QueueStatus status;
731 struct UPT1_TxStats stats;
732 struct Vmxnet3_TxQueueTSConf tsConf;
733 u8 _pad[72]; /* 128 aligned */
737 struct Vmxnet3_RxQueueDesc {
738 struct Vmxnet3_RxQueueCtrl ctrl;
739 struct Vmxnet3_RxQueueConf conf;
740 /* Driver read after a GET commad */
741 struct Vmxnet3_QueueStatus status;
742 struct UPT1_RxStats stats;
743 struct Vmxnet3_RxQueueTSConf tsConf;
744 u8 __pad[72]; /* 128 aligned */
747 struct Vmxnet3_SetPolling {
751 #define VMXNET3_COAL_STATIC_MAX_DEPTH 128
752 #define VMXNET3_COAL_RBC_MIN_RATE 100
753 #define VMXNET3_COAL_RBC_MAX_RATE 100000
755 enum Vmxnet3_CoalesceMode {
756 VMXNET3_COALESCE_DISABLED = 0,
757 VMXNET3_COALESCE_ADAPT = 1,
758 VMXNET3_COALESCE_STATIC = 2,
759 VMXNET3_COALESCE_RBC = 3
762 struct Vmxnet3_CoalesceRbc {
766 struct Vmxnet3_CoalesceStatic {
772 struct Vmxnet3_CoalesceScheme {
773 enum Vmxnet3_CoalesceMode coalMode;
775 struct Vmxnet3_CoalesceRbc coalRbc;
776 struct Vmxnet3_CoalesceStatic coalStatic;
780 struct Vmxnet3_MemoryRegion {
787 #define MAX_MEMORY_REGION_PER_QUEUE 16
788 #define MAX_MEMORY_REGION_PER_DEVICE 256
790 struct Vmxnet3_MemRegs {
793 struct Vmxnet3_MemoryRegion memRegs[1];
796 enum Vmxnet3_RSSField {
797 VMXNET3_RSS_FIELDS_TCPIP4 = 0x0001,
798 VMXNET3_RSS_FIELDS_TCPIP6 = 0x0002,
799 VMXNET3_RSS_FIELDS_UDPIP4 = 0x0004,
800 VMXNET3_RSS_FIELDS_UDPIP6 = 0x0008,
801 VMXNET3_RSS_FIELDS_ESPIP4 = 0x0010,
802 VMXNET3_RSS_FIELDS_ESPIP6 = 0x0020,
805 struct Vmxnet3_RingBufferSize {
806 __le16 ring1BufSizeType0;
807 __le16 ring1BufSizeType1;
808 __le16 ring2BufSizeType1;
812 /* If the command data <= 16 bytes, use the shared memory directly.
813 * otherwise, use variable length configuration descriptor.
815 union Vmxnet3_CmdInfo {
816 struct Vmxnet3_VariableLenConfDesc varConf;
817 struct Vmxnet3_SetPolling setPolling;
818 enum Vmxnet3_RSSField setRssFields;
819 struct Vmxnet3_RingBufferSize ringBufSize;
823 struct Vmxnet3_DSDevRead {
824 /* read-only region for device, read by dev in response to a SET cmd */
825 struct Vmxnet3_MiscConf misc;
826 struct Vmxnet3_IntrConf intrConf;
827 struct Vmxnet3_RxFilterConf rxFilterConf;
828 struct Vmxnet3_VariableLenConfDesc rssConfDesc;
829 struct Vmxnet3_VariableLenConfDesc pmConfDesc;
830 struct Vmxnet3_VariableLenConfDesc pluginConfDesc;
833 struct Vmxnet3_DSDevReadExt {
834 /* read-only region for device, read by dev in response to a SET cmd */
835 struct Vmxnet3_IntrConfExt intrConfExt;
838 /* All structures in DriverShared are padded to multiples of 8 bytes */
839 struct Vmxnet3_DriverShared {
841 /* make devRead start at 64bit boundaries */
842 __le32 size; /* size of DriverShared */
843 struct Vmxnet3_DSDevRead devRead;
848 union Vmxnet3_CmdInfo cmdInfo; /* only valid in the context of
849 * executing the relevant
853 struct Vmxnet3_DSDevReadExt devReadExt;
857 #define VMXNET3_ECR_RQERR (1 << 0)
858 #define VMXNET3_ECR_TQERR (1 << 1)
859 #define VMXNET3_ECR_LINK (1 << 2)
860 #define VMXNET3_ECR_DIC (1 << 3)
861 #define VMXNET3_ECR_DEBUG (1 << 4)
863 /* flip the gen bit of a ring */
864 #define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1)
866 /* only use this if moving the idx won't affect the gen bit */
867 #define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \
870 if (unlikely((idx) == (ring_size))) {\
875 #define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \
876 (vfTable[vid >> 5] |= (1 << (vid & 31)))
877 #define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \
878 (vfTable[vid >> 5] &= ~(1 << (vid & 31)))
880 #define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \
881 ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
883 #define VMXNET3_MAX_MTU 9000
884 #define VMXNET3_V6_MAX_MTU 9190
885 #define VMXNET3_MIN_MTU 60
887 #define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */
888 #define VMXNET3_LINK_DOWN 0
890 #define VMXNET3_DCR_ERROR 31 /* error when bit 31 of DCR is set */
891 #define VMXNET3_CAP_UDP_RSS 0 /* bit 0 of DCR 0 */
892 #define VMXNET3_CAP_ESP_RSS_IPV4 1 /* bit 1 of DCR 0 */
893 #define VMXNET3_CAP_GENEVE_CHECKSUM_OFFLOAD 2 /* bit 2 of DCR 0 */
894 #define VMXNET3_CAP_GENEVE_TSO 3 /* bit 3 of DCR 0 */
895 #define VMXNET3_CAP_VXLAN_CHECKSUM_OFFLOAD 4 /* bit 4 of DCR 0 */
896 #define VMXNET3_CAP_VXLAN_TSO 5 /* bit 5 of DCR 0 */
897 #define VMXNET3_CAP_GENEVE_OUTER_CHECKSUM_OFFLOAD 6 /* bit 6 of DCR 0 */
898 #define VMXNET3_CAP_VXLAN_OUTER_CHECKSUM_OFFLOAD 7 /* bit 7 of DCR 0 */
899 #define VMXNET3_CAP_PKT_STEERING_IPV4 8 /* bit 8 of DCR 0 */
900 #define VMXNET3_CAP_VERSION_4_MAX VMXNET3_CAP_PKT_STEERING_IPV4
901 #define VMXNET3_CAP_ESP_RSS_IPV6 9 /* bit 9 of DCR 0 */
902 #define VMXNET3_CAP_VERSION_5_MAX VMXNET3_CAP_ESP_RSS_IPV6
903 #define VMXNET3_CAP_ESP_OVER_UDP_RSS 10 /* bit 10 of DCR 0 */
904 #define VMXNET3_CAP_INNER_RSS 11 /* bit 11 of DCR 0 */
905 #define VMXNET3_CAP_INNER_ESP_RSS 12 /* bit 12 of DCR 0 */
906 #define VMXNET3_CAP_CRC32_HASH_FUNC 13 /* bit 13 of DCR 0 */
907 #define VMXNET3_CAP_VERSION_6_MAX VMXNET3_CAP_CRC32_HASH_FUNC
908 #define VMXNET3_CAP_OAM_FILTER 14 /* bit 14 of DCR 0 */
909 #define VMXNET3_CAP_ESP_QS 15 /* bit 15 of DCR 0 */
910 #define VMXNET3_CAP_LARGE_BAR 16 /* bit 16 of DCR 0 */
911 #define VMXNET3_CAP_OOORX_COMP 17 /* bit 17 of DCR 0 */
912 #define VMXNET3_CAP_VERSION_7_MAX 18
913 /* when new capability is introduced, update VMXNET3_CAP_MAX */
914 #define VMXNET3_CAP_MAX VMXNET3_CAP_VERSION_7_MAX
916 #define VMXNET3_OFFLOAD_TSO BIT(0)
917 #define VMXNET3_OFFLOAD_LRO BIT(1)
919 #endif /* _VMXNET3_DEFS_H_ */