diff options
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_defs.h')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_defs.h | 105 |
1 files changed, 98 insertions, 7 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h index 72ba8ae7f09a..c3a31646189f 100644 --- a/drivers/net/vmxnet3/vmxnet3_defs.h +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -1,7 +1,7 @@ /* * Linux driver for VMware's vmxnet3 ethernet NIC. * - * Copyright (C) 2008-2015, VMware, Inc. All Rights Reserved. + * Copyright (C) 2008-2016, 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 @@ -20,7 +20,7 @@ * The full GNU General Public License is included in this distribution in * the file called "COPYING". * - * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * Maintained by: pv-drivers@vmware.com * */ @@ -76,7 +76,12 @@ enum { VMXNET3_CMD_UPDATE_IML, VMXNET3_CMD_UPDATE_PMCFG, VMXNET3_CMD_UPDATE_FEATURE, + VMXNET3_CMD_RESERVED1, VMXNET3_CMD_LOAD_PLUGIN, + VMXNET3_CMD_RESERVED2, + VMXNET3_CMD_RESERVED3, + VMXNET3_CMD_SET_COALESCE, + VMXNET3_CMD_REGISTER_MEMREGS, VMXNET3_CMD_FIRST_GET = 0xF00D0000, VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET, @@ -87,7 +92,10 @@ enum { VMXNET3_CMD_GET_DID_LO, VMXNET3_CMD_GET_DID_HI, VMXNET3_CMD_GET_DEV_EXTRA_INFO, - VMXNET3_CMD_GET_CONF_INTR + VMXNET3_CMD_GET_CONF_INTR, + VMXNET3_CMD_GET_RESERVED1, + VMXNET3_CMD_GET_TXDATA_DESC_SIZE, + VMXNET3_CMD_GET_COALESCE, }; /* @@ -169,6 +177,8 @@ struct Vmxnet3_TxDataDesc { u8 data[VMXNET3_HDR_COPY_SIZE]; }; +typedef u8 Vmxnet3_RxDataDesc; + #define VMXNET3_TCD_GEN_SHIFT 31 #define VMXNET3_TCD_GEN_SIZE 1 #define VMXNET3_TCD_TXIDX_SHIFT 0 @@ -373,6 +383,14 @@ union Vmxnet3_GenericDesc { #define VMXNET3_RING_SIZE_ALIGN 32 #define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1) +/* Tx Data Ring buffer size must be a multiple of 64 */ +#define VMXNET3_TXDATA_DESC_SIZE_ALIGN 64 +#define VMXNET3_TXDATA_DESC_SIZE_MASK (VMXNET3_TXDATA_DESC_SIZE_ALIGN - 1) + +/* Rx Data Ring buffer size must be a multiple of 64 */ +#define VMXNET3_RXDATA_DESC_SIZE_ALIGN 64 +#define VMXNET3_RXDATA_DESC_SIZE_MASK (VMXNET3_RXDATA_DESC_SIZE_ALIGN - 1) + /* Max ring size */ #define VMXNET3_TX_RING_MAX_SIZE 4096 #define VMXNET3_TC_RING_MAX_SIZE 4096 @@ -380,6 +398,11 @@ union Vmxnet3_GenericDesc { #define VMXNET3_RX_RING2_MAX_SIZE 4096 #define VMXNET3_RC_RING_MAX_SIZE 8192 +#define VMXNET3_TXDATA_DESC_MIN_SIZE 128 +#define VMXNET3_TXDATA_DESC_MAX_SIZE 2048 + +#define VMXNET3_RXDATA_DESC_MAX_SIZE 2048 + /* a list of reasons for queue stop */ enum { @@ -466,7 +489,9 @@ struct Vmxnet3_TxQueueConf { __le32 compRingSize; /* # of comp desc */ __le32 ddLen; /* size of driver data */ u8 intrIdx; - u8 _pad[7]; + u8 _pad1[1]; + __le16 txDataRingDescSize; + u8 _pad2[4]; }; @@ -474,12 +499,14 @@ struct Vmxnet3_RxQueueConf { __le64 rxRingBasePA[2]; __le64 compRingBasePA; __le64 ddPA; /* driver data */ - __le64 reserved; + __le64 rxDataRingBasePA; __le32 rxRingSize[2]; /* # of rx desc */ __le32 compRingSize; /* # of rx comp desc */ __le32 ddLen; /* size of driver data */ u8 intrIdx; - u8 _pad[7]; + u8 _pad1[1]; + __le16 rxDataRingDescSize; /* size of rx data ring buffer */ + u8 _pad2[4]; }; @@ -609,6 +636,63 @@ struct Vmxnet3_RxQueueDesc { u8 __pad[88]; /* 128 aligned */ }; +struct Vmxnet3_SetPolling { + u8 enablePolling; +}; + +#define VMXNET3_COAL_STATIC_MAX_DEPTH 128 +#define VMXNET3_COAL_RBC_MIN_RATE 100 +#define VMXNET3_COAL_RBC_MAX_RATE 100000 + +enum Vmxnet3_CoalesceMode { + VMXNET3_COALESCE_DISABLED = 0, + VMXNET3_COALESCE_ADAPT = 1, + VMXNET3_COALESCE_STATIC = 2, + VMXNET3_COALESCE_RBC = 3 +}; + +struct Vmxnet3_CoalesceRbc { + u32 rbc_rate; +}; + +struct Vmxnet3_CoalesceStatic { + u32 tx_depth; + u32 tx_comp_depth; + u32 rx_depth; +}; + +struct Vmxnet3_CoalesceScheme { + enum Vmxnet3_CoalesceMode coalMode; + union { + struct Vmxnet3_CoalesceRbc coalRbc; + struct Vmxnet3_CoalesceStatic coalStatic; + } coalPara; +}; + +struct Vmxnet3_MemoryRegion { + __le64 startPA; + __le32 length; + __le16 txQueueBits; + __le16 rxQueueBits; +}; + +#define MAX_MEMORY_REGION_PER_QUEUE 16 +#define MAX_MEMORY_REGION_PER_DEVICE 256 + +struct Vmxnet3_MemRegs { + __le16 numRegs; + __le16 pad[3]; + struct Vmxnet3_MemoryRegion memRegs[1]; +}; + +/* If the command data <= 16 bytes, use the shared memory directly. + * otherwise, use variable length configuration descriptor. + */ +union Vmxnet3_CmdInfo { + struct Vmxnet3_VariableLenConfDesc varConf; + struct Vmxnet3_SetPolling setPolling; + __le64 data[2]; +}; struct Vmxnet3_DSDevRead { /* read-only region for device, read by dev in response to a SET cmd */ @@ -627,7 +711,14 @@ struct Vmxnet3_DriverShared { __le32 pad; struct Vmxnet3_DSDevRead devRead; __le32 ecr; - __le32 reserved[5]; + __le32 reserved; + union { + __le32 reserved1[4]; + union Vmxnet3_CmdInfo cmdInfo; /* only valid in the context of + * executing the relevant + * command + */ + } cu; }; |