2 * Linux driver for VMware's vmxnet3 ethernet NIC.
4 * Copyright (C) 2008-2016, 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".
23 * Maintained by: pv-drivers@vmware.com
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 */
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 */
54 #define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */
55 #define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */
57 #define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */
58 #define VMXNET3_REG_ALIGN_MASK 0x7
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)
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_RESERVED1,
80 VMXNET3_CMD_LOAD_PLUGIN,
81 VMXNET3_CMD_RESERVED2,
82 VMXNET3_CMD_RESERVED3,
84 VMXNET3_CMD_FIRST_GET = 0xF00D0000,
85 VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
86 VMXNET3_CMD_GET_STATS,
88 VMXNET3_CMD_GET_PERM_MAC_LO,
89 VMXNET3_CMD_GET_PERM_MAC_HI,
90 VMXNET3_CMD_GET_DID_LO,
91 VMXNET3_CMD_GET_DID_HI,
92 VMXNET3_CMD_GET_DEV_EXTRA_INFO,
93 VMXNET3_CMD_GET_CONF_INTR,
94 VMXNET3_CMD_GET_RESERVED1,
95 VMXNET3_CMD_GET_TXDATA_DESC_SIZE
99 * Little Endian layout of bitfields -
100 * Byte 0 : 7.....len.....0
101 * Byte 1 : rsvd gen 13.len.8
102 * Byte 2 : 5.msscof.0 ext1 dtype
103 * Byte 3 : 13...msscof...6
105 * Big Endian layout of bitfields -
106 * Byte 0: 13...msscof...6
107 * Byte 1 : 5.msscof.0 ext1 dtype
108 * Byte 2 : rsvd gen 13.len.8
109 * Byte 3 : 7.....len.....0
111 * Thus, le32_to_cpu on the dword will allow the big endian driver to read
112 * the bit fields correctly. And cpu_to_le32 will convert bitfields
113 * bit fields written by big endian driver to format required by device.
116 struct Vmxnet3_TxDesc {
119 #ifdef __BIG_ENDIAN_BITFIELD
120 u32 msscof:14; /* MSS, checksum offset, flags */
122 u32 dtype:1; /* descriptor type */
124 u32 gen:1; /* generation bit */
128 u32 gen:1; /* generation bit */
130 u32 dtype:1; /* descriptor type */
132 u32 msscof:14; /* MSS, checksum offset, flags */
133 #endif /* __BIG_ENDIAN_BITFIELD */
135 #ifdef __BIG_ENDIAN_BITFIELD
136 u32 tci:16; /* Tag to Insert */
137 u32 ti:1; /* VLAN Tag Insertion */
139 u32 cq:1; /* completion request */
140 u32 eop:1; /* End Of Packet */
141 u32 om:2; /* offload mode */
142 u32 hlen:10; /* header len */
144 u32 hlen:10; /* header len */
145 u32 om:2; /* offload mode */
146 u32 eop:1; /* End Of Packet */
147 u32 cq:1; /* completion request */
149 u32 ti:1; /* VLAN Tag Insertion */
150 u32 tci:16; /* Tag to Insert */
151 #endif /* __BIG_ENDIAN_BITFIELD */
154 /* TxDesc.OM values */
155 #define VMXNET3_OM_NONE 0
156 #define VMXNET3_OM_CSUM 2
157 #define VMXNET3_OM_TSO 3
159 /* fields in TxDesc we access w/o using bit fields */
160 #define VMXNET3_TXD_EOP_SHIFT 12
161 #define VMXNET3_TXD_CQ_SHIFT 13
162 #define VMXNET3_TXD_GEN_SHIFT 14
163 #define VMXNET3_TXD_EOP_DWORD_SHIFT 3
164 #define VMXNET3_TXD_GEN_DWORD_SHIFT 2
166 #define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT)
167 #define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT)
168 #define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT)
170 #define VMXNET3_HDR_COPY_SIZE 128
173 struct Vmxnet3_TxDataDesc {
174 u8 data[VMXNET3_HDR_COPY_SIZE];
177 #define VMXNET3_TCD_GEN_SHIFT 31
178 #define VMXNET3_TCD_GEN_SIZE 1
179 #define VMXNET3_TCD_TXIDX_SHIFT 0
180 #define VMXNET3_TCD_TXIDX_SIZE 12
181 #define VMXNET3_TCD_GEN_DWORD_SHIFT 3
183 struct Vmxnet3_TxCompDesc {
184 u32 txdIdx:12; /* Index of the EOP TxDesc */
191 u32 type:7; /* completion type */
192 u32 gen:1; /* generation bit */
195 struct Vmxnet3_RxDesc {
198 #ifdef __BIG_ENDIAN_BITFIELD
199 u32 gen:1; /* Generation bit */
201 u32 dtype:1; /* Descriptor type */
202 u32 btype:1; /* Buffer Type */
206 u32 btype:1; /* Buffer Type */
207 u32 dtype:1; /* Descriptor type */
209 u32 gen:1; /* Generation bit */
214 /* values of RXD.BTYPE */
215 #define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */
216 #define VMXNET3_RXD_BTYPE_BODY 1 /* body only */
218 /* fields in RxDesc we access w/o using bit fields */
219 #define VMXNET3_RXD_BTYPE_SHIFT 14
220 #define VMXNET3_RXD_GEN_SHIFT 31
222 struct Vmxnet3_RxCompDesc {
223 #ifdef __BIG_ENDIAN_BITFIELD
225 u32 cnc:1; /* Checksum Not Calculated */
226 u32 rssType:4; /* RSS hash type used */
227 u32 rqID:10; /* rx queue/ring ID */
228 u32 sop:1; /* Start of Packet */
229 u32 eop:1; /* End of Packet */
231 u32 rxdIdx:12; /* Index of the RxDesc */
233 u32 rxdIdx:12; /* Index of the RxDesc */
235 u32 eop:1; /* End of Packet */
236 u32 sop:1; /* Start of Packet */
237 u32 rqID:10; /* rx queue/ring ID */
238 u32 rssType:4; /* RSS hash type used */
239 u32 cnc:1; /* Checksum Not Calculated */
241 #endif /* __BIG_ENDIAN_BITFIELD */
243 __le32 rssHash; /* RSS hash value */
245 #ifdef __BIG_ENDIAN_BITFIELD
246 u32 tci:16; /* Tag stripped */
247 u32 ts:1; /* Tag is stripped */
248 u32 err:1; /* Error */
249 u32 len:14; /* data length */
251 u32 len:14; /* data length */
252 u32 err:1; /* Error */
253 u32 ts:1; /* Tag is stripped */
254 u32 tci:16; /* Tag stripped */
255 #endif /* __BIG_ENDIAN_BITFIELD */
258 #ifdef __BIG_ENDIAN_BITFIELD
259 u32 gen:1; /* generation bit */
260 u32 type:7; /* completion type */
261 u32 fcs:1; /* Frame CRC correct */
262 u32 frg:1; /* IP Fragment */
265 u32 ipc:1; /* IP Checksum Correct */
266 u32 tcp:1; /* TCP packet */
267 u32 udp:1; /* UDP packet */
268 u32 tuc:1; /* TCP/UDP Checksum Correct */
272 u32 tuc:1; /* TCP/UDP Checksum Correct */
273 u32 udp:1; /* UDP packet */
274 u32 tcp:1; /* TCP packet */
275 u32 ipc:1; /* IP Checksum Correct */
278 u32 frg:1; /* IP Fragment */
279 u32 fcs:1; /* Frame CRC correct */
280 u32 type:7; /* completion type */
281 u32 gen:1; /* generation bit */
282 #endif /* __BIG_ENDIAN_BITFIELD */
285 struct Vmxnet3_RxCompDescExt {
287 u8 segCnt; /* Number of aggregated packets */
288 u8 dupAckCnt; /* Number of duplicate Acks */
289 __le16 tsDelta; /* TCP timestamp difference */
291 #ifdef __BIG_ENDIAN_BITFIELD
292 u32 gen:1; /* generation bit */
293 u32 type:7; /* completion type */
294 u32 fcs:1; /* Frame CRC correct */
295 u32 frg:1; /* IP Fragment */
298 u32 ipc:1; /* IP Checksum Correct */
299 u32 tcp:1; /* TCP packet */
300 u32 udp:1; /* UDP packet */
301 u32 tuc:1; /* TCP/UDP Checksum Correct */
305 u32 tuc:1; /* TCP/UDP Checksum Correct */
306 u32 udp:1; /* UDP packet */
307 u32 tcp:1; /* TCP packet */
308 u32 ipc:1; /* IP Checksum Correct */
311 u32 frg:1; /* IP Fragment */
312 u32 fcs:1; /* Frame CRC correct */
313 u32 type:7; /* completion type */
314 u32 gen:1; /* generation bit */
315 #endif /* __BIG_ENDIAN_BITFIELD */
319 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
320 #define VMXNET3_RCD_TUC_SHIFT 16
321 #define VMXNET3_RCD_IPC_SHIFT 19
323 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */
324 #define VMXNET3_RCD_TYPE_SHIFT 56
325 #define VMXNET3_RCD_GEN_SHIFT 63
327 /* csum OK for TCP/UDP pkts over IP */
328 #define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
329 1 << VMXNET3_RCD_IPC_SHIFT)
330 #define VMXNET3_TXD_GEN_SIZE 1
331 #define VMXNET3_TXD_EOP_SIZE 1
333 /* value of RxCompDesc.rssType */
335 VMXNET3_RCD_RSS_TYPE_NONE = 0,
336 VMXNET3_RCD_RSS_TYPE_IPV4 = 1,
337 VMXNET3_RCD_RSS_TYPE_TCPIPV4 = 2,
338 VMXNET3_RCD_RSS_TYPE_IPV6 = 3,
339 VMXNET3_RCD_RSS_TYPE_TCPIPV6 = 4,
343 /* a union for accessing all cmd/completion descriptors */
344 union Vmxnet3_GenericDesc {
348 struct Vmxnet3_TxDesc txd;
349 struct Vmxnet3_RxDesc rxd;
350 struct Vmxnet3_TxCompDesc tcd;
351 struct Vmxnet3_RxCompDesc rcd;
352 struct Vmxnet3_RxCompDescExt rcdExt;
355 #define VMXNET3_INIT_GEN 1
357 /* Max size of a single tx buffer */
358 #define VMXNET3_MAX_TX_BUF_SIZE (1 << 14)
360 /* # of tx desc needed for a tx buffer size */
361 #define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
362 VMXNET3_MAX_TX_BUF_SIZE)
364 /* max # of tx descs for a non-tso pkt */
365 #define VMXNET3_MAX_TXD_PER_PKT 16
367 /* Max size of a single rx buffer */
368 #define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1)
369 /* Minimum size of a type 0 buffer */
370 #define VMXNET3_MIN_T0_BUF_SIZE 128
371 #define VMXNET3_MAX_CSUM_OFFSET 1024
373 /* Ring base address alignment */
374 #define VMXNET3_RING_BA_ALIGN 512
375 #define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1)
377 /* Ring size must be a multiple of 32 */
378 #define VMXNET3_RING_SIZE_ALIGN 32
379 #define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1)
381 /* Tx Data Ring buffer size must be a multiple of 64 */
382 #define VMXNET3_TXDATA_DESC_SIZE_ALIGN 64
383 #define VMXNET3_TXDATA_DESC_SIZE_MASK (VMXNET3_TXDATA_DESC_SIZE_ALIGN - 1)
386 #define VMXNET3_TX_RING_MAX_SIZE 4096
387 #define VMXNET3_TC_RING_MAX_SIZE 4096
388 #define VMXNET3_RX_RING_MAX_SIZE 4096
389 #define VMXNET3_RX_RING2_MAX_SIZE 4096
390 #define VMXNET3_RC_RING_MAX_SIZE 8192
392 #define VMXNET3_TXDATA_DESC_MIN_SIZE 128
393 #define VMXNET3_TXDATA_DESC_MAX_SIZE 2048
395 /* a list of reasons for queue stop */
398 VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */
399 VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */
400 VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */
401 VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */
402 VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */
403 VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */
404 VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */
405 VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */
408 /* completion descriptor types */
409 #define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */
410 #define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */
411 #define VMXNET3_CDTYPE_RXCOMP_LRO 4 /* Rx Completion Descriptor for LRO */
414 VMXNET3_GOS_BITS_UNK = 0, /* unknown */
415 VMXNET3_GOS_BITS_32 = 1,
416 VMXNET3_GOS_BITS_64 = 2,
419 #define VMXNET3_GOS_TYPE_LINUX 1
422 struct Vmxnet3_GOSInfo {
423 #ifdef __BIG_ENDIAN_BITFIELD
424 u32 gosMisc:10; /* other info about gos */
425 u32 gosVer:16; /* gos version */
426 u32 gosType:4; /* which guest */
427 u32 gosBits:2; /* 32-bit or 64-bit? */
429 u32 gosBits:2; /* 32-bit or 64-bit? */
430 u32 gosType:4; /* which guest */
431 u32 gosVer:16; /* gos version */
432 u32 gosMisc:10; /* other info about gos */
433 #endif /* __BIG_ENDIAN_BITFIELD */
436 struct Vmxnet3_DriverInfo {
438 struct Vmxnet3_GOSInfo gos;
439 __le32 vmxnet3RevSpt;
444 #define VMXNET3_REV1_MAGIC 3133079265u
447 * QueueDescPA must be 128 bytes aligned. It points to an array of
448 * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc.
449 * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by
450 * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively.
452 #define VMXNET3_QUEUE_DESC_ALIGN 128
455 struct Vmxnet3_MiscConf {
456 struct Vmxnet3_DriverInfo driverInfo;
458 __le64 ddPA; /* driver data PA */
459 __le64 queueDescPA; /* queue descriptor table PA */
460 __le32 ddLen; /* driver data len */
461 __le32 queueDescLen; /* queue desc. table len in bytes */
470 struct Vmxnet3_TxQueueConf {
472 __le64 dataRingBasePA;
473 __le64 compRingBasePA;
474 __le64 ddPA; /* driver data */
476 __le32 txRingSize; /* # of tx desc */
477 __le32 dataRingSize; /* # of data desc */
478 __le32 compRingSize; /* # of comp desc */
479 __le32 ddLen; /* size of driver data */
482 __le16 txDataRingDescSize;
487 struct Vmxnet3_RxQueueConf {
488 __le64 rxRingBasePA[2];
489 __le64 compRingBasePA;
490 __le64 ddPA; /* driver data */
492 __le32 rxRingSize[2]; /* # of rx desc */
493 __le32 compRingSize; /* # of rx comp desc */
494 __le32 ddLen; /* size of driver data */
500 enum vmxnet3_intr_mask_mode {
501 VMXNET3_IMM_AUTO = 0,
502 VMXNET3_IMM_ACTIVE = 1,
506 enum vmxnet3_intr_type {
513 #define VMXNET3_MAX_TX_QUEUES 8
514 #define VMXNET3_MAX_RX_QUEUES 16
515 /* addition 1 for events */
516 #define VMXNET3_MAX_INTRS 25
518 /* value of intrCtrl */
519 #define VMXNET3_IC_DISABLE_ALL 0x1 /* bit 0 */
522 struct Vmxnet3_IntrConf {
524 u8 numIntrs; /* # of interrupts */
526 u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for
532 /* one bit per VLAN ID, the size is in the units of u32 */
533 #define VMXNET3_VFT_SIZE (4096 / (sizeof(u32) * 8))
536 struct Vmxnet3_QueueStatus {
543 struct Vmxnet3_TxQueueCtrl {
544 __le32 txNumDeferred;
550 struct Vmxnet3_RxQueueCtrl {
557 VMXNET3_RXM_UCAST = 0x01, /* unicast only */
558 VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */
559 VMXNET3_RXM_BCAST = 0x04, /* broadcast only */
560 VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */
561 VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */
564 struct Vmxnet3_RxFilterConf {
565 __le32 rxMode; /* VMXNET3_RXM_xxx */
566 __le16 mfTableLen; /* size of the multicast filter table */
568 __le64 mfTablePA; /* PA of the multicast filters table */
569 __le32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
573 #define VMXNET3_PM_MAX_FILTERS 6
574 #define VMXNET3_PM_MAX_PATTERN_SIZE 128
575 #define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8)
577 #define VMXNET3_PM_WAKEUP_MAGIC cpu_to_le16(0x01) /* wake up on magic pkts */
578 #define VMXNET3_PM_WAKEUP_FILTER cpu_to_le16(0x02) /* wake up on pkts matching
582 struct Vmxnet3_PM_PktFilter {
585 u8 mask[VMXNET3_PM_MAX_MASK_SIZE];
586 u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE];
591 struct Vmxnet3_PMConf {
592 __le16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */
595 struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
599 struct Vmxnet3_VariableLenConfDesc {
606 struct Vmxnet3_TxQueueDesc {
607 struct Vmxnet3_TxQueueCtrl ctrl;
608 struct Vmxnet3_TxQueueConf conf;
610 /* Driver read after a GET command */
611 struct Vmxnet3_QueueStatus status;
612 struct UPT1_TxStats stats;
613 u8 _pad[88]; /* 128 aligned */
617 struct Vmxnet3_RxQueueDesc {
618 struct Vmxnet3_RxQueueCtrl ctrl;
619 struct Vmxnet3_RxQueueConf conf;
620 /* Driver read after a GET commad */
621 struct Vmxnet3_QueueStatus status;
622 struct UPT1_RxStats stats;
623 u8 __pad[88]; /* 128 aligned */
626 struct Vmxnet3_SetPolling {
630 /* If the command data <= 16 bytes, use the shared memory directly.
631 * otherwise, use variable length configuration descriptor.
633 union Vmxnet3_CmdInfo {
634 struct Vmxnet3_VariableLenConfDesc varConf;
635 struct Vmxnet3_SetPolling setPolling;
639 struct Vmxnet3_DSDevRead {
640 /* read-only region for device, read by dev in response to a SET cmd */
641 struct Vmxnet3_MiscConf misc;
642 struct Vmxnet3_IntrConf intrConf;
643 struct Vmxnet3_RxFilterConf rxFilterConf;
644 struct Vmxnet3_VariableLenConfDesc rssConfDesc;
645 struct Vmxnet3_VariableLenConfDesc pmConfDesc;
646 struct Vmxnet3_VariableLenConfDesc pluginConfDesc;
649 /* All structures in DriverShared are padded to multiples of 8 bytes */
650 struct Vmxnet3_DriverShared {
652 /* make devRead start at 64bit boundaries */
654 struct Vmxnet3_DSDevRead devRead;
659 union Vmxnet3_CmdInfo cmdInfo; /* only valid in the context of
660 * executing the relevant
667 #define VMXNET3_ECR_RQERR (1 << 0)
668 #define VMXNET3_ECR_TQERR (1 << 1)
669 #define VMXNET3_ECR_LINK (1 << 2)
670 #define VMXNET3_ECR_DIC (1 << 3)
671 #define VMXNET3_ECR_DEBUG (1 << 4)
673 /* flip the gen bit of a ring */
674 #define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1)
676 /* only use this if moving the idx won't affect the gen bit */
677 #define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \
680 if (unlikely((idx) == (ring_size))) {\
685 #define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \
686 (vfTable[vid >> 5] |= (1 << (vid & 31)))
687 #define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \
688 (vfTable[vid >> 5] &= ~(1 << (vid & 31)))
690 #define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \
691 ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
693 #define VMXNET3_MAX_MTU 9000
694 #define VMXNET3_MIN_MTU 60
696 #define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */
697 #define VMXNET3_LINK_DOWN 0
699 #endif /* _VMXNET3_DEFS_H_ */