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numam-dpdk/drivers/net/enic/base/vnic_devcmd.h
John Daley 1b4ce87dc5 net/enic: fix counter action 
- track whether counter DMAs are active or not so they can be stopped if
  needed before DMA memory is freed
- fix counter DMA shut-down by changing vnic_dev_counter_dma_cfg() to
  take the number of counters to DMA instead of high counter index and
  use num counters = 0 to shut off DMAs
- remove unnecessary checks that DMA counter memory is valid and that
  counter DMAs are in use
- change the minimum DMA period to match what 1400 series adapter is
  capable of
- fix comments and change a couple variable names to make more sense

Fixes: 86df6c4e2f ("net/enic: support flow counter action")

Signed-off-by: John Daley <johndale@cisco.com>
Reviewed-by: Hyong Youb Kim <hyonkim@cisco.com>
2018-10-18 10:24:39 +02:00

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35 KiB
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#ifndef _VNIC_DEVCMD_H_
#define _VNIC_DEVCMD_H_
#define _CMD_NBITS 14
#define _CMD_VTYPEBITS 10
#define _CMD_FLAGSBITS 6
#define _CMD_DIRBITS 2
#define _CMD_NMASK ((1 << _CMD_NBITS)-1)
#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
#define _CMD_NSHIFT 0
#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
/*
* Direction bits (from host perspective).
*/
#define _CMD_DIR_NONE 0U
#define _CMD_DIR_WRITE 1U
#define _CMD_DIR_READ 2U
#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
/*
* Flag bits.
*/
#define _CMD_FLAGS_NONE 0U
#define _CMD_FLAGS_NOWAIT 1U
/*
* vNIC type bits.
*/
#define _CMD_VTYPE_NONE 0U
#define _CMD_VTYPE_ENET 1U
#define _CMD_VTYPE_FC 2U
#define _CMD_VTYPE_SCSI 4U
#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
/*
* Used to create cmds..
*/
#define _CMDCF(dir, flags, vtype, nr) \
(((dir) << _CMD_DIRSHIFT) | \
((flags) << _CMD_FLAGSSHIFT) | \
((vtype) << _CMD_VTYPESHIFT) | \
((nr) << _CMD_NSHIFT))
#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
/*
* Used to decode cmds..
*/
#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
enum vnic_devcmd_cmd {
CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
/*
* mcpu fw info in mem:
* in:
* (u64)a0=paddr to struct vnic_devcmd_fw_info
* action:
* Fills in struct vnic_devcmd_fw_info (128 bytes)
* note:
* An old definition of CMD_MCPU_FW_INFO
*/
CMD_MCPU_FW_INFO_OLD = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
/*
* mcpu fw info in mem:
* in:
* (u64)a0=paddr to struct vnic_devcmd_fw_info
* (u16)a1=size of the structure
* out:
* (u16)a1=0 for in:a1 = 0,
* data size actually written for other values.
* action:
* Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0,
* first in:a1 bytes for 0 < in:a1 <= 132,
* 132 bytes for other values of in:a1.
* note:
* CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1
* for source compatibility.
*/
CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1),
/* dev-specific block member:
* in: (u16)a0=offset,(u8)a1=size
* out: a0=value
*/
CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
/* stats clear */
CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
/* stats dump in mem: (u64)a0=paddr to stats area,
* (u16)a1=sizeof stats area */
CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
/* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
/* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */
CMD_PACKET_FILTER_ALL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
/* hang detection notification */
CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
/* MAC address in (u48)a0 */
CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
#define CMD_GET_MAC_ADDR CMD_MAC_ADDR /* some uses are aliased */
/* add addr from (u48)a0 */
CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
/* del addr from (u48)a0 */
CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
/* add VLAN id in (u16)a0 */
CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
/* del VLAN id in (u16)a0 */
CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
/*
* nic_cfg in (u32)a0
*
* Capability query:
* out: (u64) a0= 1 if a1 is valid
* (u64) a1= (NIC_CFG bits supported) | (flags << 32)
* (flags are CMD_NIC_CFG_CAPF_xxx)
*/
CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
/*
* nic_cfg_chk (same as nic_cfg, but may return error)
* in (u32)a0
*
* Capability query:
* out: (u64) a0= 1 if a1 is valid
* (u64) a1= (NIC_CFG bits supported) | (flags << 32)
* (flags are CMD_NIC_CFG_CAPF_xxx)
*/
CMD_NIC_CFG_CHK = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
/* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
/* initiate softreset */
CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
/* softreset status:
* out: a0=0 reset complete, a0=1 reset in progress */
CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
/* set struct vnic_devcmd_notify buffer in mem:
* in:
* (u64)a0=paddr to notify (set paddr=0 to unset)
* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
* out:
* (u32)a1 = effective size
*/
CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
/* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
* (u8)a1=PXENV_UNDI_xxx */
CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
/* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
/* open status:
* out: a0=0 open complete, a0=1 open in progress */
CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
/* close vnic */
CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
/***** Replaced by CMD_INIT *****/
CMD_INIT_v1 = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
/* variant of CMD_INIT, with provisioning info
* (u64)a0=paddr of vnic_devcmd_provinfo
* (u32)a1=sizeof provision info */
CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
/* enable virtual link */
CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
/* enable virtual link, waiting variant. */
CMD_ENABLE_WAIT = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
/* disable virtual link */
CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
/* stats dump sum of all vnic stats on same uplink in mem:
* (u64)a0=paddr
* (u16)a1=sizeof stats area */
CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
/* init status:
* out: a0=0 init complete, a0=1 init in progress
* if a0=0, a1=errno */
CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
* (u32)a1=INT13_CMD_xxx */
CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
/* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
/* undo initialize of virtual link */
CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
CMD_INIT = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),
/* check fw capability of a cmd:
* in: (u32)a0=cmd
* out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
/* persistent binding info
* in: (u64)a0=paddr of arg
* (u32)a1=CMD_PERBI_XXX */
CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
/* Interrupt Assert Register functionality
* in: (u16)a0=interrupt number to assert
*/
CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
/* initiate hangreset, like softreset after hang detected */
CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
/* hangreset status:
* out: a0=0 reset complete, a0=1 reset in progress */
CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
/*
* Set hw ingress packet vlan rewrite mode:
* in: (u32)a0=new vlan rewrite mode
* out: (u32)a0=old vlan rewrite mode */
CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
/*
* in: (u16)a0=bdf of target vnic
* (u32)a1=cmd to proxy
* a2-a15=args to cmd in a1
* out: (u32)a0=status of proxied cmd
* a1-a15=out args of proxied cmd */
CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
/*
* As for BY_BDF except a0 is index of hvnlink subordinate vnic
* or SR-IOV virtual vnic
*/
CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
/*
* For HPP toggle:
* adapter-info-get
* in: (u64)a0=phsical address of buffer passed in from caller.
* (u16)a1=size of buffer specified in a0.
* out: (u64)a0=phsical address of buffer passed in from caller.
* (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
* 0 if no VIF-CONFIG-INFO TLV was ever received. */
CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
/*
* INT13 API: (u64)a0=paddr to vnic_int13_params struct
* (u32)a1=INT13_CMD_xxx
*/
CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),
/*
* Set default vlan:
* in: (u16)a0=new default vlan
* (u16)a1=zero for overriding vlan with param a0,
* non-zero for resetting vlan to the default
* out: (u16)a0=old default vlan
*/
CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
/* init_prov_info2:
* Variant of CMD_INIT_PROV_INFO, where it will not try to enable
* the vnic until CMD_ENABLE2 is issued.
* (u64)a0=paddr of vnic_devcmd_provinfo
* (u32)a1=sizeof provision info */
CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
/* enable2:
* (u32)a0=0 ==> standby
* =CMD_ENABLE2_ACTIVE ==> active
*/
CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
/*
* cmd_status:
* Returns the status of the specified command
* Input:
* a0 = command for which status is being queried.
* Possible values are:
* CMD_SOFT_RESET
* CMD_HANG_RESET
* CMD_OPEN
* CMD_INIT
* CMD_INIT_PROV_INFO
* CMD_DEINIT
* CMD_INIT_PROV_INFO2
* CMD_ENABLE2
* Output:
* if status == STAT_ERROR
* a0 = ERR_ENOTSUPPORTED - status for command in a0 is
* not supported
* if status == STAT_NONE
* a0 = status of the devcmd specified in a0 as follows.
* ERR_SUCCESS - command in a0 completed successfully
* ERR_EINPROGRESS - command in a0 is still in progress
*/
CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
/*
* Returns interrupt coalescing timer conversion factors.
* After calling this devcmd, ENIC driver can convert
* interrupt coalescing timer in usec into CPU cycles as follows:
*
* intr_timer_cycles = intr_timer_usec * multiplier / divisor
*
* Interrupt coalescing timer in usecs can be be converted/obtained
* from CPU cycles as follows:
*
* intr_timer_usec = intr_timer_cycles * divisor / multiplier
*
* in: none
* out: (u32)a0 = multiplier
* (u32)a1 = divisor
* (u32)a2 = maximum timer value in usec
*/
CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
/*
* ISCSI DUMP API:
* in: (u64)a0=paddr of the param or param itself
* (u32)a1=ISCSI_CMD_xxx
*/
CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51),
/*
* ISCSI DUMP STATUS API:
* in: (u32)a0=cmd tag
* in: (u32)a1=ISCSI_CMD_xxx
* out: (u32)a0=cmd status
*/
CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52),
/*
* Subvnic migration from MQ <--> VF.
* Enable the LIF migration from MQ to VF and vice versa. MQ and VF
* indexes are statically bound at the time of initialization.
* Based on the direction of migration, the resources of either MQ or
* the VF shall be attached to the LIF.
* in: (u32)a0=Direction of Migration
* 0=> Migrate to VF
* 1=> Migrate to MQ
* (u32)a1=VF index (MQ index)
*/
CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53),
/*
* Register / Deregister the notification block for MQ subvnics
* in:
* (u64)a0=paddr to notify (set paddr=0 to unset)
* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
* out:
* (u32)a1 = effective size
*/
CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54),
/*
* Set the predefined mac address as default
* in:
* (u48)a0=mac addr
*/
CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
/* Update the provisioning info of the given VIF
* (u64)a0=paddr of vnic_devcmd_provinfo
* (u32)a1=sizeof provision info */
CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
/*
* Initialization for the devcmd2 interface.
* in: (u64) a0=host result buffer physical address
* in: (u16) a1=number of entries in result buffer
*/
CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57),
/*
* Add a filter.
* in: (u64) a0= filter address
* (u32) a1= size of filter
* out: (u32) a0=filter identifier
*
* Capability query:
* out: (u64) a0= 1 if capability query supported
* (u64) a1= MAX filter type supported
*/
CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58),
/*
* Delete a filter.
* in: (u32) a0=filter identifier
*/
CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59),
/*
* Enable a Queue Pair in User space NIC
* in: (u32) a0=Queue Pair number
* (u32) a1= command
*/
CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60),
/*
* Disable a Queue Pair in User space NIC
* in: (u32) a0=Queue Pair number
* (u32) a1= command
*/
CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61),
/*
* Stats dump Queue Pair in User space NIC
* in: (u32) a0=Queue Pair number
* (u64) a1=host buffer addr for status dump
* (u32) a2=length of the buffer
*/
CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62),
/*
* Clear stats for Queue Pair in User space NIC
* in: (u32) a0=Queue Pair number
*/
CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63),
/*
* UEFI BOOT API: (u64)a0= UEFI FLS_CMD_xxx
* (ui64)a1= paddr for the info buffer
*/
CMD_FC_REQ = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 64),
/*
* Return the iSCSI config details required by the EFI Option ROM
* in: (u32) a0=0 Get Boot Info for PXE eNIC as per pxe_boot_config_t
* a0=1 Get Boot info for iSCSI enic as per
* iscsi_boot_efi_cfg_t
* in: (u64) a1=Host address where iSCSI config info is returned
*/
CMD_VNIC_BOOT_CONFIG_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 65),
/*
* Create a Queue Pair (RoCE)
* in: (u32) a0 = Queue Pair number
* (u32) a1 = Remote QP
* (u32) a2 = RDMA-RQ
* (u16) a3 = RQ Res Group
* (u16) a4 = SQ Res Group
* (u32) a5 = Protection Domain
* (u64) a6 = Remote MAC
* (u32) a7 = start PSN
* (u16) a8 = MSS
* (u32) a9 = protocol version
*/
CMD_RDMA_QP_CREATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 66),
/*
* Delete a Queue Pair (RoCE)
* in: (u32) a0 = Queue Pair number
*/
CMD_RDMA_QP_DELETE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 67),
/*
* Retrieve a Queue Pair's status information (RoCE)
* in: (u32) a0 = Queue Pair number
* (u64) a1 = host buffer addr for QP status struct
* (u32) a2 = length of the buffer
*/
CMD_RDMA_QP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 68),
/*
* Use this devcmd for agreeing on the highest common version supported
* by both driver and fw for by features who need such a facility.
* in: (u64) a0 = feature (driver requests for the supported versions
* on this feature)
* out: (u64) a0 = bitmap of all supported versions for that feature
*/
CMD_GET_SUPP_FEATURE_VER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 69),
/*
* Initialize the RDMA notification work queue
* in: (u64) a0 = host buffer address
* in: (u16) a1 = number of entries in buffer
* in: (u16) a2 = resource group number
* in: (u16) a3 = CQ number to post completion
*/
CMD_RDMA_INIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 70),
/*
* De-init the RDMA notification work queue
* in: (u64) a0=resource group number
*/
CMD_RDMA_DEINIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 71),
/*
* Control (Enable/Disable) overlay offloads on the given vnic
* in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE
* a0 = OVERLAY_FEATURE_VXLAN : VxLAN
* in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable or
* a1 = OVERLAY_OFFLOAD_DISABLE : Disable or
* a1 = OVERLAY_OFFLOAD_ENABLE_V2 : Enable with version 2
*/
CMD_OVERLAY_OFFLOAD_CTRL =
_CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72),
/*
* Configuration of overlay offloads feature on a given vNIC
* in: (u8) a0 = OVERLAY_CFG_VXLAN_PORT_UPDATE : VxLAN
* in: (u16) a1 = unsigned short int port information
*/
CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73),
/*
* Return the configured name for the device
* in: (u64) a0=Host address where the name is copied
* (u32) a1=Size of the buffer
*/
CMD_GET_CONFIG_NAME = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 74),
/*
* Enable group interrupt for the VF
* in: (u32) a0 = GRPINTR_ENABLE : enable
* a0 = GRPINTR_DISABLE : disable
* a0 = GRPINTR_UPD_VECT: update group vector addr
* in: (u32) a1 = interrupt group count
* in: (u64) a2 = Start of host buffer address for DMAing group
* vector bitmap
* in: (u64) a3 = Stride between group vectors
*/
CMD_CONFIG_GRPINTR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 75),
/*
* Set cq arrary base and size in a list of consective wqs and
* rqs for a device
* in: (u16) a0 = the wq relative index in the device.
* -1 indicates skipping wq configuration
* in: (u16) a1 = the wcq relative index in the device
* in: (u16) a2 = the rq relative index in the device
* -1 indicates skipping rq configuration
* in: (u16) a3 = the rcq relative index in the device
*/
CMD_CONFIG_CQ_ARRAY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 76),
/*
* Add an advanced filter.
* in: (u64) a0= filter address
* (u32) a1= size of filter
* out: (u32) a0=filter identifier
*
* Capability query:
* in: (u64) a1= supported filter capability exchange modes
* out: (u64) a0= 1 if capability query supported
* if (u64) a1 = 0: a1 = MAX filter type supported
* if (u64) a1 & FILTER_CAP_MODE_V1_FLAG:
* a1 = bitmask of supported filters
* a2 = FILTER_CAP_MODE_V1
* a3 = bitmask of supported actions
*/
CMD_ADD_ADV_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 77),
/*
* Allocate a counter for use with CMD_ADD_FILTER
* out:(u32) a0 = counter index
*/
CMD_COUNTER_ALLOC = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ENET, 85),
/*
* Free a counter
* in: (u32) a0 = counter_id
*/
CMD_COUNTER_FREE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 86),
/*
* Read a counter
* in: (u32) a0 = counter_id
* (u32) a1 = clear counter if non-zero
* out:(u64) a0 = packet count
* (u64) a1 = byte count
*/
CMD_COUNTER_QUERY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 87),
/*
* Configure periodic counter DMA. This will trigger an immediate
* DMA of the counters (unless period == 0), and then schedule a DMA
* of the counters every <period> seconds until disdabled.
* Each new COUNTER_DMA_CONFIG will override all previous commands on
* this vnic.
* Setting a2 (period) = 0 will disable periodic DMAs
* If a0 (num_counters) != 0, an immediate DMA will always be done,
* irrespective of the value in a2.
* in: (u32) a0 = number of counters to DMA
* (u64) a1 = host target DMA address
* (u32) a2 = DMA period in milliseconds (0 to disable)
*/
CMD_COUNTER_DMA_CONFIG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 88),
#define VNIC_COUNTER_DMA_MIN_PERIOD 500
/*
* Clear all counters on a vnic
*/
CMD_COUNTER_CLEAR_ALL = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ENET, 89),
};
/* Modes for exchanging advanced filter capabilities. The modes supported by
* the driver are passed in the CMD_ADD_ADV_FILTER capability command and the
* mode selected is returned.
* V0: the maximum filter type supported is returned
* V1: bitmasks of supported filters and actions are returned
*/
enum filter_cap_mode {
FILTER_CAP_MODE_V0 = 0, /* Must always be 0 for legacy drivers */
FILTER_CAP_MODE_V1 = 1,
};
#define FILTER_CAP_MODE_V1_FLAG (1 << FILTER_CAP_MODE_V1)
/* CMD_ENABLE2 flags */
#define CMD_ENABLE2_STANDBY 0x0
#define CMD_ENABLE2_ACTIVE 0x1
/* flags for CMD_OPEN */
#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
#define CMD_OPENF_IG_DESCCACHE 0x2 /* Do not flush IG DESC cache */
/* flags for CMD_INIT */
#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
/* flags for CMD_NIC_CFG */
#define CMD_NIC_CFG_CAPF_UDP_WEAK (1ULL << 0) /* Bodega-style UDP RSS */
/* flags for CMD_PACKET_FILTER */
#define CMD_PFILTER_DIRECTED 0x01
#define CMD_PFILTER_MULTICAST 0x02
#define CMD_PFILTER_BROADCAST 0x04
#define CMD_PFILTER_PROMISCUOUS 0x08
#define CMD_PFILTER_ALL_MULTICAST 0x10
/* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */
#define CMD_QP_RQWQ 0x0
/* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */
#define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK 0
#define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN 1
#define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN 2
#define IG_VLAN_REWRITE_MODE_PASS_THRU 3
enum vnic_devcmd_status {
STAT_NONE = 0,
STAT_BUSY = 1 << 0, /* cmd in progress */
STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
STAT_FAILOVER = 1 << 2, /* always set on vnics in pci standby state
* if seen a failover to the standby happened
*/
};
enum vnic_devcmd_error {
ERR_SUCCESS = 0,
ERR_EINVAL = 1,
ERR_EFAULT = 2,
ERR_EPERM = 3,
ERR_EBUSY = 4,
ERR_ECMDUNKNOWN = 5,
ERR_EBADSTATE = 6,
ERR_ENOMEM = 7,
ERR_ETIMEDOUT = 8,
ERR_ELINKDOWN = 9,
ERR_EMAXRES = 10,
ERR_ENOTSUPPORTED = 11,
ERR_EINPROGRESS = 12,
ERR_MAX
};
/*
* note: hw_version and asic_rev refer to the same thing,
* but have different formats. hw_version is
* a 32-byte string (e.g. "A2") and asic_rev is
* a 16-bit integer (e.g. 0xA2).
*/
struct vnic_devcmd_fw_info {
char fw_version[32];
char fw_build[32];
char hw_version[32];
char hw_serial_number[32];
u16 asic_type;
u16 asic_rev;
};
enum fwinfo_asic_type {
FWINFO_ASIC_TYPE_UNKNOWN,
FWINFO_ASIC_TYPE_PALO,
FWINFO_ASIC_TYPE_SERENO,
FWINFO_ASIC_TYPE_CRUZ,
};
struct vnic_devcmd_notify {
u32 csum; /* checksum over following words */
u32 link_state; /* link up == 1 */
u32 port_speed; /* effective port speed (rate limit) */
u32 mtu; /* MTU */
u32 msglvl; /* requested driver msg lvl */
u32 uif; /* uplink interface */
u32 status; /* status bits (see VNIC_STF_*) */
u32 error; /* error code (see ERR_*) for first ERR */
u32 link_down_cnt; /* running count of link down transitions */
u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */
};
#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
#define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */
#define VNIC_STF_PFC_PAUSE 0x0004 /* priority flow control pause on */
/* all supported status flags */
#define VNIC_STF_ALL (VNIC_STF_FATAL_ERR |\
VNIC_STF_STD_PAUSE |\
VNIC_STF_PFC_PAUSE |\
0)
struct vnic_devcmd_provinfo {
u8 oui[3];
u8 type;
u8 data[0];
};
/*
* These are used in flags field of different filters to denote
* valid fields used.
*/
#define FILTER_FIELD_VALID(fld) (1 << (fld - 1))
#define FILTER_FIELD_USNIC_VLAN FILTER_FIELD_VALID(1)
#define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2)
#define FILTER_FIELD_USNIC_PROTO FILTER_FIELD_VALID(3)
#define FILTER_FIELD_USNIC_ID FILTER_FIELD_VALID(4)
#define FILTER_FIELDS_USNIC (FILTER_FIELD_USNIC_VLAN | \
FILTER_FIELD_USNIC_ETHTYPE | \
FILTER_FIELD_USNIC_PROTO | \
FILTER_FIELD_USNIC_ID)
struct filter_usnic_id {
u32 flags;
u16 vlan;
u16 ethtype;
u8 proto_version;
u32 usnic_id;
} __attribute__((packed));
#define FILTER_FIELD_5TUP_PROTO FILTER_FIELD_VALID(1)
#define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2)
#define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3)
#define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4)
#define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5)
#define FILTER_FIELDS_IPV4_5TUPLE (FILTER_FIELD_5TUP_PROTO | \
FILTER_FIELD_5TUP_SRC_AD | \
FILTER_FIELD_5TUP_DST_AD | \
FILTER_FIELD_5TUP_SRC_PT | \
FILTER_FIELD_5TUP_DST_PT)
/* Enums for the protocol field. */
enum protocol_e {
PROTO_UDP = 0,
PROTO_TCP = 1,
PROTO_IPV4 = 2,
PROTO_IPV6 = 3
};
struct filter_ipv4_5tuple {
u32 flags;
u32 protocol;
u32 src_addr;
u32 dst_addr;
u16 src_port;
u16 dst_port;
} __attribute__((packed));
#define FILTER_FIELD_VMQ_VLAN FILTER_FIELD_VALID(1)
#define FILTER_FIELD_VMQ_MAC FILTER_FIELD_VALID(2)
#define FILTER_FIELDS_MAC_VLAN (FILTER_FIELD_VMQ_VLAN | \
FILTER_FIELD_VMQ_MAC)
#define FILTER_FIELDS_NVGRE FILTER_FIELD_VMQ_MAC
struct filter_mac_vlan {
u32 flags;
u16 vlan;
u8 mac_addr[6];
} __attribute__((packed));
#define FILTER_FIELD_VLAN_IP_3TUP_VLAN FILTER_FIELD_VALID(1)
#define FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO FILTER_FIELD_VALID(2)
#define FILTER_FIELD_VLAN_IP_3TUP_DST_AD FILTER_FIELD_VALID(3)
#define FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO FILTER_FIELD_VALID(4)
#define FILTER_FIELD_VLAN_IP_3TUP_DST_PT FILTER_FIELD_VALID(5)
#define FILTER_FIELDS_VLAN_IP_3TUP (FILTER_FIELD_VLAN_IP_3TUP_VLAN | \
FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO | \
FILTER_FIELD_VLAN_IP_3TUP_DST_AD | \
FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO | \
FILTER_FIELD_VLAN_IP_3TUP_DST_PT)
struct filter_vlan_ip_3tuple {
u32 flags;
u16 vlan;
u16 l3_protocol;
union {
u32 dst_addr_v4;
u8 dst_addr_v6[16];
} u;
u32 l4_protocol;
u16 dst_port;
} __attribute__((packed));
#define FILTER_GENERIC_1_BYTES 64
enum filter_generic_1_layer {
FILTER_GENERIC_1_L2,
FILTER_GENERIC_1_L3,
FILTER_GENERIC_1_L4,
FILTER_GENERIC_1_L5,
FILTER_GENERIC_1_NUM_LAYERS
};
#define FILTER_GENERIC_1_IPV4 (1 << 0)
#define FILTER_GENERIC_1_IPV6 (1 << 1)
#define FILTER_GENERIC_1_UDP (1 << 2)
#define FILTER_GENERIC_1_TCP (1 << 3)
#define FILTER_GENERIC_1_TCP_OR_UDP (1 << 4)
#define FILTER_GENERIC_1_IP4SUM_OK (1 << 5)
#define FILTER_GENERIC_1_L4SUM_OK (1 << 6)
#define FILTER_GENERIC_1_IPFRAG (1 << 7)
#define FILTER_GENERIC_1_KEY_LEN 64
/*
* Version 1 of generic filter specification
* position is only 16 bits, reserving positions > 64k to be used by firmware
*/
struct filter_generic_1 {
u16 position; /* lower position comes first */
u32 mask_flags;
u32 val_flags;
u16 mask_vlan;
u16 val_vlan;
struct {
u8 mask[FILTER_GENERIC_1_KEY_LEN]; /* 0 bit means "don't care"*/
u8 val[FILTER_GENERIC_1_KEY_LEN];
} __attribute__((packed)) layer[FILTER_GENERIC_1_NUM_LAYERS];
} __attribute__((packed));
/* Specifies the filter_action type. */
enum {
FILTER_ACTION_RQ_STEERING = 0,
FILTER_ACTION_V2 = 1,
FILTER_ACTION_MAX
};
struct filter_action {
u32 type;
union {
u32 rq_idx;
} u;
} __attribute__((packed));
#define FILTER_ACTION_RQ_STEERING_FLAG (1 << 0)
#define FILTER_ACTION_FILTER_ID_FLAG (1 << 1)
#define FILTER_ACTION_DROP_FLAG (1 << 2)
#define FILTER_ACTION_COUNTER_FLAG (1 << 3)
#define FILTER_ACTION_V2_ALL (FILTER_ACTION_RQ_STEERING_FLAG \
| FILTER_ACTION_FILTER_ID_FLAG \
| FILTER_ACTION_DROP_FLAG \
| FILTER_ACTION_COUNTER_FLAG)
/* Version 2 of filter action must be a strict extension of struct filter_action
* where the first fields exactly match in size and meaning.
*/
struct filter_action_v2 {
u32 type;
u32 rq_idx;
u32 flags; /* use FILTER_ACTION_XXX_FLAG defines */
u16 filter_id;
u32 counter_index;
uint8_t reserved[28]; /* for future expansion */
} __attribute__((packed));
/* Specifies the filter type. */
enum filter_type {
FILTER_USNIC_ID = 0,
FILTER_IPV4_5TUPLE = 1,
FILTER_MAC_VLAN = 2,
FILTER_VLAN_IP_3TUPLE = 3,
FILTER_NVGRE_VMQ = 4,
FILTER_USNIC_IP = 5,
FILTER_DPDK_1 = 6,
FILTER_MAX
};
#define FILTER_USNIC_ID_FLAG (1 << FILTER_USNIC_ID)
#define FILTER_IPV4_5TUPLE_FLAG (1 << FILTER_IPV4_5TUPLE)
#define FILTER_MAC_VLAN_FLAG (1 << FILTER_MAC_VLAN)
#define FILTER_VLAN_IP_3TUPLE_FLAG (1 << FILTER_VLAN_IP_3TUPLE)
#define FILTER_NVGRE_VMQ_FLAG (1 << FILTER_NVGRE_VMQ)
#define FILTER_USNIC_IP_FLAG (1 << FILTER_USNIC_IP)
#define FILTER_DPDK_1_FLAG (1 << FILTER_DPDK_1)
#define FILTER_V1_ALL (FILTER_USNIC_ID_FLAG | \
FILTER_IPV4_5TUPLE_FLAG | \
FILTER_MAC_VLAN_FLAG | \
FILTER_VLAN_IP_3TUPLE_FLAG | \
FILTER_NVGRE_VMQ_FLAG | \
FILTER_USNIC_IP_FLAG | \
FILTER_DPDK_1_FLAG)
struct filter {
u32 type;
union {
struct filter_usnic_id usnic;
struct filter_ipv4_5tuple ipv4;
struct filter_mac_vlan mac_vlan;
struct filter_vlan_ip_3tuple vlan_3tuple;
} u;
} __attribute__((packed));
/*
* This is a strict superset of "struct filter" and exists only
* because many drivers use "sizeof (struct filter)" in deciding TLV size.
* This new, larger struct filter would cause any code that uses that method
* to not work with older firmware, so we add filter_v2 to hold the
* new filter types. Drivers should use vnic_filter_size() to determine
* the TLV size instead of sizeof (struct fiter_v2) to guard against future
* growth.
*/
struct filter_v2 {
u32 type;
union {
struct filter_usnic_id usnic;
struct filter_ipv4_5tuple ipv4;
struct filter_mac_vlan mac_vlan;
struct filter_vlan_ip_3tuple vlan_3tuple;
struct filter_generic_1 generic_1;
} u;
} __attribute__((packed));
enum {
CLSF_TLV_FILTER = 0,
CLSF_TLV_ACTION = 1,
};
struct filter_tlv {
uint32_t type;
uint32_t length;
uint32_t val[0];
};
/* Data for CMD_ADD_FILTER is 2 TLV and filter + action structs */
#define FILTER_MAX_BUF_SIZE 100
#define FILTER_V2_MAX_BUF_SIZE (sizeof(struct filter_v2) + \
sizeof(struct filter_action_v2) + \
(2 * sizeof(struct filter_tlv)))
/*
* Compute actual structure size given filter type. To be "future-proof,"
* drivers should use this instead of "sizeof (struct filter_v2)" when
* computing length for TLV.
*/
static inline uint32_t
vnic_filter_size(struct filter_v2 *fp)
{
uint32_t size;
switch (fp->type) {
case FILTER_USNIC_ID:
size = sizeof(fp->u.usnic);
break;
case FILTER_IPV4_5TUPLE:
size = sizeof(fp->u.ipv4);
break;
case FILTER_MAC_VLAN:
case FILTER_NVGRE_VMQ:
size = sizeof(fp->u.mac_vlan);
break;
case FILTER_VLAN_IP_3TUPLE:
size = sizeof(fp->u.vlan_3tuple);
break;
case FILTER_USNIC_IP:
case FILTER_DPDK_1:
size = sizeof(fp->u.generic_1);
break;
default:
size = sizeof(fp->u);
break;
}
size += sizeof(fp->type);
return size;
}
enum {
CLSF_ADD = 0,
CLSF_DEL = 1,
};
/*
* Get the action structure size given action type. To be "future-proof,"
* drivers should use this instead of "sizeof (struct filter_action_v2)"
* when computing length for TLV.
*/
static inline uint32_t
vnic_action_size(struct filter_action_v2 *fap)
{
uint32_t size;
switch (fap->type) {
case FILTER_ACTION_RQ_STEERING:
size = sizeof(struct filter_action);
break;
case FILTER_ACTION_V2:
size = sizeof(struct filter_action_v2);
break;
default:
size = sizeof(struct filter_action);
break;
}
return size;
}
/*
* Writing cmd register causes STAT_BUSY to get set in status register.
* When cmd completes, STAT_BUSY will be cleared.
*
* If cmd completed successfully STAT_ERROR will be clear
* and args registers contain cmd-specific results.
*
* If cmd error, STAT_ERROR will be set and args[0] contains error code.
*
* status register is read-only. While STAT_BUSY is set,
* all other register contents are read-only.
*/
/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
#define VNIC_DEVCMD_NARGS 15
struct vnic_devcmd {
u32 status; /* RO */
u32 cmd; /* RW */
u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
};
/*
* Version 2 of the interface.
*
* Some things are carried over, notably the vnic_devcmd_cmd enum.
*/
/*
* Flags for vnic_devcmd2.flags
*/
#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
struct vnic_devcmd2 {
u16 pad;
u16 flags;
u32 cmd; /* same command #defines as original */
u64 args[VNIC_DEVCMD2_NARGS];
};
#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
struct devcmd2_result {
u64 results[VNIC_DEVCMD2_NRESULTS];
u32 pad;
u16 completed_index; /* into copy WQ */
u8 error; /* same error codes as original */
u8 color; /* 0 or 1 as with completion queues */
};
#define DEVCMD2_RING_SIZE 32
#define DEVCMD2_DESC_SIZE 128
#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1)
/* Overlay related definitions */
/*
* This enum lists the flag associated with each of the overlay features
*/
typedef enum {
OVERLAY_FEATURE_NVGRE = 1,
OVERLAY_FEATURE_VXLAN,
OVERLAY_FEATURE_MAX,
} overlay_feature_t;
#define OVERLAY_OFFLOAD_ENABLE 0
#define OVERLAY_OFFLOAD_DISABLE 1
#define OVERLAY_OFFLOAD_ENABLE_V2 2
#define OVERLAY_CFG_VXLAN_PORT_UPDATE 0
/*
* Use this enum to get the supported versions for each of these features
* If you need to use the devcmd_get_supported_feature_version(), add
* the new feature into this enum and install function handler in devcmd.c
*/
typedef enum {
VIC_FEATURE_VXLAN,
VIC_FEATURE_RDMA,
VIC_FEATURE_MAX,
} vic_feature_t;
/*
* These flags are used in args[1] of devcmd CMD_GET_SUPP_FEATURE_VER
* to indicate the host driver about the VxLAN and Multi WQ features
* supported
*/
#define FEATURE_VXLAN_IPV6_INNER (1 << 0)
#define FEATURE_VXLAN_IPV6_OUTER (1 << 1)
#define FEATURE_VXLAN_MULTI_WQ (1 << 2)
#define FEATURE_VXLAN_IPV6 (FEATURE_VXLAN_IPV6_INNER | \
FEATURE_VXLAN_IPV6_OUTER)
/*
* CMD_CONFIG_GRPINTR subcommands
*/
typedef enum {
GRPINTR_ENABLE = 1,
GRPINTR_DISABLE,
GRPINTR_UPD_VECT,
} grpintr_subcmd_t;
/*
* Structure for counter DMA
* (DMAed by CMD_COUNTER_DMA_CONFIG)
*/
struct vnic_counter_counts {
u64 vcc_packets;
u64 vcc_bytes;
};
#endif /* _VNIC_DEVCMD_H_ */
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