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xemu/hw/net/vmxnet3.h
Thomas Huth c527e0afcd hw/net/vmxnet3: Fix code to work on big endian hosts, too 
Since commit ab06ec4357 we test the vmxnet3 device in the
pxe-tester, too (when running "make check SPEED=slow"). This now
revealed that the code is not working there if the host is a big
endian machine (for example ppc64 or s390x) - "make check SPEED=slow"
is now failing on such hosts.

The vmxnet3 code lacks endianness conversions in a couple of places.
Interestingly, the bitfields in the structs in vmxnet3.h already tried to
take care of the *bit* endianness of the C compilers - but the code missed
to change the *byte* endianness when reading or writing the corresponding
structs. So the bitfields are now wrapped into unions which allow to change
the byte endianness during runtime with the non-bitfield member of the union.
With these changes, "make check SPEED=slow" now properly works on big endian
hosts, too.

Reported-by: David Gibson <dgibson@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: David Gibson <dgibson@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-11-20 11:08:00 +08:00

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/*
* QEMU VMWARE VMXNET3 paravirtual NIC interface definitions
*
* Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
*
* Developed by Daynix Computing LTD (http://www.daynix.com)
*
* Authors:
* Dmitry Fleytman <dmitry@daynix.com>
* Tamir Shomer <tamirs@daynix.com>
* Yan Vugenfirer <yan@daynix.com>
*
* This work is licensed under the terms of the GNU GPL, version 2.
* See the COPYING file in the top-level directory.
*
*/
#ifndef QEMU_VMXNET3_H
#define QEMU_VMXNET3_H
#define VMXNET3_DEVICE_MAX_TX_QUEUES 8
#define VMXNET3_DEVICE_MAX_RX_QUEUES 8 /* Keep this value as a power of 2 */
/*
* VMWARE headers we got from Linux kernel do not fully comply QEMU coding
* standards in sense of types and defines used.
* Since we didn't want to change VMWARE code, following set of typedefs
* and defines needed to compile these headers with QEMU introduced.
*/
#define u64 uint64_t
#define u32 uint32_t
#define u16 uint16_t
#define u8 uint8_t
#define __le16 uint16_t
#define __le32 uint32_t
#define __le64 uint64_t
#if defined(HOST_WORDS_BIGENDIAN)
#define __BIG_ENDIAN_BITFIELD
#else
#endif
/*
* Following is an interface definition for
* VMXNET3 device as provided by VMWARE
* See original copyright from Linux kernel v3.2.8
* header file drivers/net/vmxnet3/vmxnet3_defs.h below.
*/
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
* Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; version 2 of the License and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
*
*/
struct UPT1_TxStats {
u64 TSOPktsTxOK; /* TSO pkts post-segmentation */
u64 TSOBytesTxOK;
u64 ucastPktsTxOK;
u64 ucastBytesTxOK;
u64 mcastPktsTxOK;
u64 mcastBytesTxOK;
u64 bcastPktsTxOK;
u64 bcastBytesTxOK;
u64 pktsTxError;
u64 pktsTxDiscard;
};
struct UPT1_RxStats {
u64 LROPktsRxOK; /* LRO pkts */
u64 LROBytesRxOK; /* bytes from LRO pkts */
/* the following counters are for pkts from the wire, i.e., pre-LRO */
u64 ucastPktsRxOK;
u64 ucastBytesRxOK;
u64 mcastPktsRxOK;
u64 mcastBytesRxOK;
u64 bcastPktsRxOK;
u64 bcastBytesRxOK;
u64 pktsRxOutOfBuf;
u64 pktsRxError;
};
/* interrupt moderation level */
enum {
UPT1_IML_NONE = 0, /* no interrupt moderation */
UPT1_IML_HIGHEST = 7, /* least intr generated */
UPT1_IML_ADAPTIVE = 8, /* adpative intr moderation */
};
/* values for UPT1_RSSConf.hashFunc */
enum {
UPT1_RSS_HASH_TYPE_NONE = 0x0,
UPT1_RSS_HASH_TYPE_IPV4 = 0x01,
UPT1_RSS_HASH_TYPE_TCP_IPV4 = 0x02,
UPT1_RSS_HASH_TYPE_IPV6 = 0x04,
UPT1_RSS_HASH_TYPE_TCP_IPV6 = 0x08,
};
enum {
UPT1_RSS_HASH_FUNC_NONE = 0x0,
UPT1_RSS_HASH_FUNC_TOEPLITZ = 0x01,
};
#define UPT1_RSS_MAX_KEY_SIZE 40
#define UPT1_RSS_MAX_IND_TABLE_SIZE 128
struct UPT1_RSSConf {
u16 hashType;
u16 hashFunc;
u16 hashKeySize;
u16 indTableSize;
u8 hashKey[UPT1_RSS_MAX_KEY_SIZE];
u8 indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
};
/* features */
enum {
UPT1_F_RXCSUM = 0x0001, /* rx csum verification */
UPT1_F_RSS = 0x0002,
UPT1_F_RXVLAN = 0x0004, /* VLAN tag stripping */
UPT1_F_LRO = 0x0008,
};
/* all registers are 32 bit wide */
/* BAR 1 */
enum {
VMXNET3_REG_VRRS = 0x0, /* Vmxnet3 Revision Report Selection */
VMXNET3_REG_UVRS = 0x8, /* UPT Version Report Selection */
VMXNET3_REG_DSAL = 0x10, /* Driver Shared Address Low */
VMXNET3_REG_DSAH = 0x18, /* Driver Shared Address High */
VMXNET3_REG_CMD = 0x20, /* Command */
VMXNET3_REG_MACL = 0x28, /* MAC Address Low */
VMXNET3_REG_MACH = 0x30, /* MAC Address High */
VMXNET3_REG_ICR = 0x38, /* Interrupt Cause Register */
VMXNET3_REG_ECR = 0x40 /* Event Cause Register */
};
/* BAR 0 */
enum {
VMXNET3_REG_IMR = 0x0, /* Interrupt Mask Register */
VMXNET3_REG_TXPROD = 0x600, /* Tx Producer Index */
VMXNET3_REG_RXPROD = 0x800, /* Rx Producer Index for ring 1 */
VMXNET3_REG_RXPROD2 = 0xA00 /* Rx Producer Index for ring 2 */
};
#define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */
#define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */
#define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */
#define VMXNET3_REG_ALIGN_MASK 0x7
/* I/O Mapped access to registers */
#define VMXNET3_IO_TYPE_PT 0
#define VMXNET3_IO_TYPE_VD 1
#define VMXNET3_IO_ADDR(type, reg) (((type) << 24) | ((reg) & 0xFFFFFF))
#define VMXNET3_IO_TYPE(addr) ((addr) >> 24)
#define VMXNET3_IO_REG(addr) ((addr) & 0xFFFFFF)
enum {
VMXNET3_CMD_FIRST_SET = 0xCAFE0000,
VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET, /* 0xCAFE0000 */
VMXNET3_CMD_QUIESCE_DEV, /* 0xCAFE0001 */
VMXNET3_CMD_RESET_DEV, /* 0xCAFE0002 */
VMXNET3_CMD_UPDATE_RX_MODE, /* 0xCAFE0003 */
VMXNET3_CMD_UPDATE_MAC_FILTERS, /* 0xCAFE0004 */
VMXNET3_CMD_UPDATE_VLAN_FILTERS, /* 0xCAFE0005 */
VMXNET3_CMD_UPDATE_RSSIDT, /* 0xCAFE0006 */
VMXNET3_CMD_UPDATE_IML, /* 0xCAFE0007 */
VMXNET3_CMD_UPDATE_PMCFG, /* 0xCAFE0008 */
VMXNET3_CMD_UPDATE_FEATURE, /* 0xCAFE0009 */
VMXNET3_CMD_LOAD_PLUGIN, /* 0xCAFE000A */
VMXNET3_CMD_FIRST_GET = 0xF00D0000,
VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET, /* 0xF00D0000 */
VMXNET3_CMD_GET_STATS, /* 0xF00D0001 */
VMXNET3_CMD_GET_LINK, /* 0xF00D0002 */
VMXNET3_CMD_GET_PERM_MAC_LO, /* 0xF00D0003 */
VMXNET3_CMD_GET_PERM_MAC_HI, /* 0xF00D0004 */
VMXNET3_CMD_GET_DID_LO, /* 0xF00D0005 */
VMXNET3_CMD_GET_DID_HI, /* 0xF00D0006 */
VMXNET3_CMD_GET_DEV_EXTRA_INFO, /* 0xF00D0007 */
VMXNET3_CMD_GET_CONF_INTR, /* 0xF00D0008 */
VMXNET3_CMD_GET_ADAPTIVE_RING_INFO /* 0xF00D0009 */
};
/* Adaptive Ring Info Flags */
#define VMXNET3_DISABLE_ADAPTIVE_RING 1
/*
* Little Endian layout of bitfields -
* Byte 0 : 7.....len.....0
* Byte 1 : rsvd gen 13.len.8
* Byte 2 : 5.msscof.0 ext1 dtype
* Byte 3 : 13...msscof...6
*
* Big Endian layout of bitfields -
* Byte 0: 13...msscof...6
* Byte 1 : 5.msscof.0 ext1 dtype
* Byte 2 : rsvd gen 13.len.8
* Byte 3 : 7.....len.....0
*
* Thus, le32_to_cpu on the dword will allow the big endian driver to read
* the bit fields correctly. And cpu_to_le32 will convert bitfields
* bit fields written by big endian driver to format required by device.
*/
struct Vmxnet3_TxDesc {
__le64 addr;
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 msscof:14; /* MSS, checksum offset, flags */
u32 ext1:1;
u32 dtype:1; /* descriptor type */
u32 rsvd:1;
u32 gen:1; /* generation bit */
u32 len:14;
#else
u32 len:14;
u32 gen:1; /* generation bit */
u32 rsvd:1;
u32 dtype:1; /* descriptor type */
u32 ext1:1;
u32 msscof:14; /* MSS, checksum offset, flags */
#endif /* __BIG_ENDIAN_BITFIELD */
};
u32 val1;
};
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 tci:16; /* Tag to Insert */
u32 ti:1; /* VLAN Tag Insertion */
u32 ext2:1;
u32 cq:1; /* completion request */
u32 eop:1; /* End Of Packet */
u32 om:2; /* offload mode */
u32 hlen:10; /* header len */
#else
u32 hlen:10; /* header len */
u32 om:2; /* offload mode */
u32 eop:1; /* End Of Packet */
u32 cq:1; /* completion request */
u32 ext2:1;
u32 ti:1; /* VLAN Tag Insertion */
u32 tci:16; /* Tag to Insert */
#endif /* __BIG_ENDIAN_BITFIELD */
};
u32 val2;
};
};
/* TxDesc.OM values */
#define VMXNET3_OM_NONE 0
#define VMXNET3_OM_CSUM 2
#define VMXNET3_OM_TSO 3
/* fields in TxDesc we access w/o using bit fields */
#define VMXNET3_TXD_EOP_SHIFT 12
#define VMXNET3_TXD_CQ_SHIFT 13
#define VMXNET3_TXD_GEN_SHIFT 14
#define VMXNET3_TXD_EOP_DWORD_SHIFT 3
#define VMXNET3_TXD_GEN_DWORD_SHIFT 2
#define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT)
#define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT)
#define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT)
#define VMXNET3_HDR_COPY_SIZE 128
struct Vmxnet3_TxDataDesc {
u8 data[VMXNET3_HDR_COPY_SIZE];
};
#define VMXNET3_TCD_GEN_SHIFT 31
#define VMXNET3_TCD_GEN_SIZE 1
#define VMXNET3_TCD_TXIDX_SHIFT 0
#define VMXNET3_TCD_TXIDX_SIZE 12
#define VMXNET3_TCD_GEN_DWORD_SHIFT 3
struct Vmxnet3_TxCompDesc {
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 ext1:20;
u32 txdIdx:12; /* Index of the EOP TxDesc */
#else
u32 txdIdx:12; /* Index of the EOP TxDesc */
u32 ext1:20;
#endif
};
u32 val1;
};
__le32 ext2;
__le32 ext3;
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 gen:1; /* generation bit */
u32 type:7; /* completion type */
u32 rsvd:24;
#else
u32 rsvd:24;
u32 type:7; /* completion type */
u32 gen:1; /* generation bit */
#endif
};
u32 val2;
};
};
struct Vmxnet3_RxDesc {
__le64 addr;
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 gen:1; /* Generation bit */
u32 rsvd:15;
u32 dtype:1; /* Descriptor type */
u32 btype:1; /* Buffer Type */
u32 len:14;
#else
u32 len:14;
u32 btype:1; /* Buffer Type */
u32 dtype:1; /* Descriptor type */
u32 rsvd:15;
u32 gen:1; /* Generation bit */
#endif
};
u32 val1;
};
u32 ext1;
};
/* values of RXD.BTYPE */
#define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */
#define VMXNET3_RXD_BTYPE_BODY 1 /* body only */
/* fields in RxDesc we access w/o using bit fields */
#define VMXNET3_RXD_BTYPE_SHIFT 14
#define VMXNET3_RXD_GEN_SHIFT 31
struct Vmxnet3_RxCompDesc {
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 ext2:1;
u32 cnc:1; /* Checksum Not Calculated */
u32 rssType:4; /* RSS hash type used */
u32 rqID:10; /* rx queue/ring ID */
u32 sop:1; /* Start of Packet */
u32 eop:1; /* End of Packet */
u32 ext1:2;
u32 rxdIdx:12; /* Index of the RxDesc */
#else
u32 rxdIdx:12; /* Index of the RxDesc */
u32 ext1:2;
u32 eop:1; /* End of Packet */
u32 sop:1; /* Start of Packet */
u32 rqID:10; /* rx queue/ring ID */
u32 rssType:4; /* RSS hash type used */
u32 cnc:1; /* Checksum Not Calculated */
u32 ext2:1;
#endif /* __BIG_ENDIAN_BITFIELD */
};
u32 val1;
};
__le32 rssHash; /* RSS hash value */
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 tci:16; /* Tag stripped */
u32 ts:1; /* Tag is stripped */
u32 err:1; /* Error */
u32 len:14; /* data length */
#else
u32 len:14; /* data length */
u32 err:1; /* Error */
u32 ts:1; /* Tag is stripped */
u32 tci:16; /* Tag stripped */
#endif /* __BIG_ENDIAN_BITFIELD */
};
u32 val2;
};
union {
struct {
#ifdef __BIG_ENDIAN_BITFIELD
u32 gen:1; /* generation bit */
u32 type:7; /* completion type */
u32 fcs:1; /* Frame CRC correct */
u32 frg:1; /* IP Fragment */
u32 v4:1; /* IPv4 */
u32 v6:1; /* IPv6 */
u32 ipc:1; /* IP Checksum Correct */
u32 tcp:1; /* TCP packet */
u32 udp:1; /* UDP packet */
u32 tuc:1; /* TCP/UDP Checksum Correct */
u32 csum:16;
#else
u32 csum:16;
u32 tuc:1; /* TCP/UDP Checksum Correct */
u32 udp:1; /* UDP packet */
u32 tcp:1; /* TCP packet */
u32 ipc:1; /* IP Checksum Correct */
u32 v6:1; /* IPv6 */
u32 v4:1; /* IPv4 */
u32 frg:1; /* IP Fragment */
u32 fcs:1; /* Frame CRC correct */
u32 type:7; /* completion type */
u32 gen:1; /* generation bit */
#endif /* __BIG_ENDIAN_BITFIELD */
};
u32 val3;
};
};
/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
#define VMXNET3_RCD_TUC_SHIFT 16
#define VMXNET3_RCD_IPC_SHIFT 19
/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */
#define VMXNET3_RCD_TYPE_SHIFT 56
#define VMXNET3_RCD_GEN_SHIFT 63
/* csum OK for TCP/UDP pkts over IP */
#define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
1 << VMXNET3_RCD_IPC_SHIFT)
#define VMXNET3_TXD_GEN_SIZE 1
#define VMXNET3_TXD_EOP_SIZE 1
/* value of RxCompDesc.rssType */
enum {
VMXNET3_RCD_RSS_TYPE_NONE = 0,
VMXNET3_RCD_RSS_TYPE_IPV4 = 1,
VMXNET3_RCD_RSS_TYPE_TCPIPV4 = 2,
VMXNET3_RCD_RSS_TYPE_IPV6 = 3,
VMXNET3_RCD_RSS_TYPE_TCPIPV6 = 4,
};
/* a union for accessing all cmd/completion descriptors */
union Vmxnet3_GenericDesc {
__le64 qword[2];
__le32 dword[4];
__le16 word[8];
struct Vmxnet3_TxDesc txd;
struct Vmxnet3_RxDesc rxd;
struct Vmxnet3_TxCompDesc tcd;
struct Vmxnet3_RxCompDesc rcd;
};
#define VMXNET3_INIT_GEN 1
/* Max size of a single tx buffer */
#define VMXNET3_MAX_TX_BUF_SIZE (1 << 14)
/* # of tx desc needed for a tx buffer size */
#define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
VMXNET3_MAX_TX_BUF_SIZE)
/* max # of tx descs for a non-tso pkt */
#define VMXNET3_MAX_TXD_PER_PKT 16
/* Max size of a single rx buffer */
#define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1)
/* Minimum size of a type 0 buffer */
#define VMXNET3_MIN_T0_BUF_SIZE 128
#define VMXNET3_MAX_CSUM_OFFSET 1024
/* Ring base address alignment */
#define VMXNET3_RING_BA_ALIGN 512
#define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1)
/* Ring size must be a multiple of 32 */
#define VMXNET3_RING_SIZE_ALIGN 32
#define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1)
/* Max ring size */
#define VMXNET3_TX_RING_MAX_SIZE 4096
#define VMXNET3_TC_RING_MAX_SIZE 4096
#define VMXNET3_RX_RING_MAX_SIZE 4096
#define VMXNET3_RC_RING_MAX_SIZE 8192
/* a list of reasons for queue stop */
enum {
VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */
VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */
VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */
VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */
VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */
VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */
VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */
VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */
};
/* completion descriptor types */
#define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */
#define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */
enum {
VMXNET3_GOS_BITS_UNK = 0, /* unknown */
VMXNET3_GOS_BITS_32 = 1,
VMXNET3_GOS_BITS_64 = 2,
};
#define VMXNET3_GOS_TYPE_UNK 0 /* unknown */
#define VMXNET3_GOS_TYPE_LINUX 1
#define VMXNET3_GOS_TYPE_WIN 2
#define VMXNET3_GOS_TYPE_SOLARIS 3
#define VMXNET3_GOS_TYPE_FREEBSD 4
#define VMXNET3_GOS_TYPE_PXE 5
struct Vmxnet3_GOSInfo {
#ifdef __BIG_ENDIAN_BITFIELD
u32 gosMisc:10; /* other info about gos */
u32 gosVer:16; /* gos version */
u32 gosType:4; /* which guest */
u32 gosBits:2; /* 32-bit or 64-bit? */
#else
u32 gosBits:2; /* 32-bit or 64-bit? */
u32 gosType:4; /* which guest */
u32 gosVer:16; /* gos version */
u32 gosMisc:10; /* other info about gos */
#endif /* __BIG_ENDIAN_BITFIELD */
};
struct Vmxnet3_DriverInfo {
__le32 version;
struct Vmxnet3_GOSInfo gos;
__le32 vmxnet3RevSpt;
__le32 uptVerSpt;
};
#define VMXNET3_REV1_MAGIC 0xbabefee1
/*
* QueueDescPA must be 128 bytes aligned. It points to an array of
* Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc.
* The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by
* Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively.
*/
#define VMXNET3_QUEUE_DESC_ALIGN 128
struct Vmxnet3_MiscConf {
struct Vmxnet3_DriverInfo driverInfo;
__le64 uptFeatures;
__le64 ddPA; /* driver data PA */
__le64 queueDescPA; /* queue descriptor table PA */
__le32 ddLen; /* driver data len */
__le32 queueDescLen; /* queue desc. table len in bytes */
__le32 mtu;
__le16 maxNumRxSG;
u8 numTxQueues;
u8 numRxQueues;
__le32 reserved[4];
};
struct Vmxnet3_TxQueueConf {
__le64 txRingBasePA;
__le64 dataRingBasePA;
__le64 compRingBasePA;
__le64 ddPA; /* driver data */
__le64 reserved;
__le32 txRingSize; /* # of tx desc */
__le32 dataRingSize; /* # of data desc */
__le32 compRingSize; /* # of comp desc */
__le32 ddLen; /* size of driver data */
u8 intrIdx;
u8 _pad[7];
};
struct Vmxnet3_RxQueueConf {
__le64 rxRingBasePA[2];
__le64 compRingBasePA;
__le64 ddPA; /* driver data */
__le64 reserved;
__le32 rxRingSize[2]; /* # of rx desc */
__le32 compRingSize; /* # of rx comp desc */
__le32 ddLen; /* size of driver data */
u8 intrIdx;
u8 _pad[7];
};
enum vmxnet3_intr_mask_mode {
VMXNET3_IMM_AUTO = 0,
VMXNET3_IMM_ACTIVE = 1,
VMXNET3_IMM_LAZY = 2
};
enum vmxnet3_intr_type {
VMXNET3_IT_AUTO = 0,
VMXNET3_IT_INTX = 1,
VMXNET3_IT_MSI = 2,
VMXNET3_IT_MSIX = 3
};
#define VMXNET3_MAX_TX_QUEUES 8
#define VMXNET3_MAX_RX_QUEUES 16
/* addition 1 for events */
#define VMXNET3_MAX_INTRS 25
/* value of intrCtrl */
#define VMXNET3_IC_DISABLE_ALL 0x1 /* bit 0 */
struct Vmxnet3_IntrConf {
bool autoMask;
u8 numIntrs; /* # of interrupts */
u8 eventIntrIdx;
u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for
* each intr */
__le32 intrCtrl;
__le32 reserved[2];
};
/* one bit per VLAN ID, the size is in the units of u32 */
#define VMXNET3_VFT_SIZE (4096/(sizeof(uint32_t)*8))
struct Vmxnet3_QueueStatus {
bool stopped;
u8 _pad[3];
__le32 error;
};
struct Vmxnet3_TxQueueCtrl {
__le32 txNumDeferred;
__le32 txThreshold;
__le64 reserved;
};
struct Vmxnet3_RxQueueCtrl {
bool updateRxProd;
u8 _pad[7];
__le64 reserved;
};
enum {
VMXNET3_RXM_UCAST = 0x01, /* unicast only */
VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */
VMXNET3_RXM_BCAST = 0x04, /* broadcast only */
VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */
VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */
};
struct Vmxnet3_RxFilterConf {
__le32 rxMode; /* VMXNET3_RXM_xxx */
__le16 mfTableLen; /* size of the multicast filter table */
__le16 _pad1;
__le64 mfTablePA; /* PA of the multicast filters table */
__le32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
};
#define VMXNET3_PM_MAX_FILTERS 6
#define VMXNET3_PM_MAX_PATTERN_SIZE 128
#define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8)
#define VMXNET3_PM_WAKEUP_MAGIC cpu_to_le16(0x01) /* wake up on magic pkts */
#define VMXNET3_PM_WAKEUP_FILTER cpu_to_le16(0x02) /* wake up on pkts matching
* filters */
struct Vmxnet3_PM_PktFilter {
u8 maskSize;
u8 patternSize;
u8 mask[VMXNET3_PM_MAX_MASK_SIZE];
u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE];
u8 pad[6];
};
struct Vmxnet3_PMConf {
__le16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */
u8 numFilters;
u8 pad[5];
struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
};
struct Vmxnet3_VariableLenConfDesc {
__le32 confVer;
__le32 confLen;
__le64 confPA;
};
struct Vmxnet3_TxQueueDesc {
struct Vmxnet3_TxQueueCtrl ctrl;
struct Vmxnet3_TxQueueConf conf;
/* Driver read after a GET command */
struct Vmxnet3_QueueStatus status;
struct UPT1_TxStats stats;
u8 _pad[88]; /* 128 aligned */
};
struct Vmxnet3_RxQueueDesc {
struct Vmxnet3_RxQueueCtrl ctrl;
struct Vmxnet3_RxQueueConf conf;
/* Driver read after a GET commad */
struct Vmxnet3_QueueStatus status;
struct UPT1_RxStats stats;
u8 __pad[88]; /* 128 aligned */
};
struct Vmxnet3_DSDevRead {
/* read-only region for device, read by dev in response to a SET cmd */
struct Vmxnet3_MiscConf misc;
struct Vmxnet3_IntrConf intrConf;
struct Vmxnet3_RxFilterConf rxFilterConf;
struct Vmxnet3_VariableLenConfDesc rssConfDesc;
struct Vmxnet3_VariableLenConfDesc pmConfDesc;
struct Vmxnet3_VariableLenConfDesc pluginConfDesc;
};
/* All structures in DriverShared are padded to multiples of 8 bytes */
struct Vmxnet3_DriverShared {
__le32 magic;
/* make devRead start at 64bit boundaries */
__le32 pad;
struct Vmxnet3_DSDevRead devRead;
__le32 ecr;
__le32 reserved[5];
};
#define VMXNET3_ECR_RQERR (1 << 0)
#define VMXNET3_ECR_TQERR (1 << 1)
#define VMXNET3_ECR_LINK (1 << 2)
#define VMXNET3_ECR_DIC (1 << 3)
#define VMXNET3_ECR_DEBUG (1 << 4)
/* flip the gen bit of a ring */
#define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1)
/* only use this if moving the idx won't affect the gen bit */
#define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \
do {\
(idx)++;\
if (unlikely((idx) == (ring_size))) {\
(idx) = 0;\
} \
} while (0)
#define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \
(vfTable[vid >> 5] |= (1 << (vid & 31)))
#define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \
(vfTable[vid >> 5] &= ~(1 << (vid & 31)))
#define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \
((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
#define VMXNET3_MAX_MTU 9000
#define VMXNET3_MIN_MTU 60
#define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */
#define VMXNET3_LINK_DOWN 0
#undef u64
#undef u32
#undef u16
#undef u8
#undef __le16
#undef __le32
#undef __le64
#if defined(HOST_WORDS_BIGENDIAN)
#undef __BIG_ENDIAN_BITFIELD
#endif
#endif
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