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linux/drivers/net/hyperv/hyperv_net.h

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/*
*
* Copyright (c) 2011, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. 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., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
* K. Y. Srinivasan <kys@microsoft.com>
*
*/
#ifndef _HYPERV_NET_H
#define _HYPERV_NET_H
#include <linux/list.h>
#include <linux/hyperv.h>
#include <linux/rndis.h>
/* Fwd declaration */
struct hv_netvsc_packet;
/* Represent the xfer page packet which contains 1 or more netvsc packet */
struct xferpage_packet {
struct list_head list_ent;
/* # of netvsc packets this xfer packet contains */
u32 count;
};
/*
* Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
* within the RNDIS
*/
struct hv_netvsc_packet {
/* Bookkeeping stuff */
struct list_head list_ent;
struct hv_device *device;
bool is_data_pkt;
u16 vlan_tci;
/*
* Valid only for receives when we break a xfer page packet
* into multiple netvsc packets
*/
struct xferpage_packet *xfer_page_pkt;
union {
struct {
u64 recv_completion_tid;
void *recv_completion_ctx;
void (*recv_completion)(void *context);
} recv;
struct {
u64 send_completion_tid;
void *send_completion_ctx;
void (*send_completion)(void *context);
} send;
} completion;
/* This points to the memory after page_buf */
void *extension;
u32 total_data_buflen;
/* Points to the send/receive buffer where the ethernet frame is */
void *data;
u32 page_buf_cnt;
struct hv_page_buffer page_buf[0];
};
struct netvsc_device_info {
unsigned char mac_adr[6];
bool link_state; /* 0 - link up, 1 - link down */
int ring_size;
};
enum rndis_device_state {
RNDIS_DEV_UNINITIALIZED = 0,
RNDIS_DEV_INITIALIZING,
RNDIS_DEV_INITIALIZED,
RNDIS_DEV_DATAINITIALIZED,
};
struct rndis_device {
struct netvsc_device *net_dev;
enum rndis_device_state state;
bool link_state;
atomic_t new_req_id;
spinlock_t request_lock;
struct list_head req_list;
unsigned char hw_mac_adr[ETH_ALEN];
};
/* Interface */
int netvsc_device_add(struct hv_device *device, void *additional_info);
int netvsc_device_remove(struct hv_device *device);
int netvsc_send(struct hv_device *device,
struct hv_netvsc_packet *packet);
void netvsc_linkstatus_callback(struct hv_device *device_obj,
unsigned int status);
int netvsc_recv_callback(struct hv_device *device_obj,
struct hv_netvsc_packet *packet);
int rndis_filter_open(struct hv_device *dev);
int rndis_filter_close(struct hv_device *dev);
int rndis_filter_device_add(struct hv_device *dev,
void *additional_info);
void rndis_filter_device_remove(struct hv_device *dev);
int rndis_filter_receive(struct hv_device *dev,
struct hv_netvsc_packet *pkt);
int rndis_filter_send(struct hv_device *dev,
struct hv_netvsc_packet *pkt);
int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
#define NVSP_PROTOCOL_VERSION_1 2
#define NVSP_PROTOCOL_VERSION_2 0x30002
enum {
NVSP_MSG_TYPE_NONE = 0,
/* Init Messages */
NVSP_MSG_TYPE_INIT = 1,
NVSP_MSG_TYPE_INIT_COMPLETE = 2,
NVSP_VERSION_MSG_START = 100,
/* Version 1 Messages */
NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
NVSP_MSG1_TYPE_SEND_RECV_BUF,
NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
NVSP_MSG1_TYPE_SEND_SEND_BUF,
NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
/* Version 2 messages */
NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
NVSP_MSG2_TYPE_ALLOC_RXBUF,
NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
NVSP_MSG2_TYPE_FREE_RXBUF,
NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
};
enum {
NVSP_STAT_NONE = 0,
NVSP_STAT_SUCCESS,
NVSP_STAT_FAIL,
NVSP_STAT_PROTOCOL_TOO_NEW,
NVSP_STAT_PROTOCOL_TOO_OLD,
NVSP_STAT_INVALID_RNDIS_PKT,
NVSP_STAT_BUSY,
NVSP_STAT_PROTOCOL_UNSUPPORTED,
NVSP_STAT_MAX,
};
struct nvsp_message_header {
u32 msg_type;
};
/* Init Messages */
/*
* This message is used by the VSC to initialize the channel after the channels
* has been opened. This message should never include anything other then
* versioning (i.e. this message will be the same for ever).
*/
struct nvsp_message_init {
u32 min_protocol_ver;
u32 max_protocol_ver;
} __packed;
/*
* This message is used by the VSP to complete the initialization of the
* channel. This message should never include anything other then versioning
* (i.e. this message will be the same for ever).
*/
struct nvsp_message_init_complete {
u32 negotiated_protocol_ver;
u32 max_mdl_chain_len;
u32 status;
} __packed;
union nvsp_message_init_uber {
struct nvsp_message_init init;
struct nvsp_message_init_complete init_complete;
} __packed;
/* Version 1 Messages */
/*
* This message is used by the VSC to send the NDIS version to the VSP. The VSP
* can use this information when handling OIDs sent by the VSC.
*/
struct nvsp_1_message_send_ndis_version {
u32 ndis_major_ver;
u32 ndis_minor_ver;
} __packed;
/*
* This message is used by the VSC to send a receive buffer to the VSP. The VSP
* can then use the receive buffer to send data to the VSC.
*/
struct nvsp_1_message_send_receive_buffer {
u32 gpadl_handle;
u16 id;
} __packed;
struct nvsp_1_receive_buffer_section {
u32 offset;
u32 sub_alloc_size;
u32 num_sub_allocs;
u32 end_offset;
} __packed;
/*
* This message is used by the VSP to acknowledge a receive buffer send by the
* VSC. This message must be sent by the VSP before the VSP uses the receive
* buffer.
*/
struct nvsp_1_message_send_receive_buffer_complete {
u32 status;
u32 num_sections;
/*
* The receive buffer is split into two parts, a large suballocation
* section and a small suballocation section. These sections are then
* suballocated by a certain size.
*/
/*
* For example, the following break up of the receive buffer has 6
* large suballocations and 10 small suballocations.
*/
/*
* | Large Section | | Small Section |
* ------------------------------------------------------------
* | | | | | | | | | | | | | | | | | |
* | |
* LargeOffset SmallOffset
*/
struct nvsp_1_receive_buffer_section sections[1];
} __packed;
/*
* This message is sent by the VSC to revoke the receive buffer. After the VSP
* completes this transaction, the vsp should never use the receive buffer
* again.
*/
struct nvsp_1_message_revoke_receive_buffer {
u16 id;
};
/*
* This message is used by the VSC to send a send buffer to the VSP. The VSC
* can then use the send buffer to send data to the VSP.
*/
struct nvsp_1_message_send_send_buffer {
u32 gpadl_handle;
u16 id;
} __packed;
/*
* This message is used by the VSP to acknowledge a send buffer sent by the
* VSC. This message must be sent by the VSP before the VSP uses the sent
* buffer.
*/
struct nvsp_1_message_send_send_buffer_complete {
u32 status;
/*
* The VSC gets to choose the size of the send buffer and the VSP gets
* to choose the sections size of the buffer. This was done to enable
* dynamic reconfigurations when the cost of GPA-direct buffers
* decreases.
*/
u32 section_size;
} __packed;
/*
* This message is sent by the VSC to revoke the send buffer. After the VSP
* completes this transaction, the vsp should never use the send buffer again.
*/
struct nvsp_1_message_revoke_send_buffer {
u16 id;
};
/*
* This message is used by both the VSP and the VSC to send a RNDIS message to
* the opposite channel endpoint.
*/
struct nvsp_1_message_send_rndis_packet {
/*
* This field is specified by RNIDS. They assume there's two different
* channels of communication. However, the Network VSP only has one.
* Therefore, the channel travels with the RNDIS packet.
*/
u32 channel_type;
/*
* This field is used to send part or all of the data through a send
* buffer. This values specifies an index into the send buffer. If the
* index is 0xFFFFFFFF, then the send buffer is not being used and all
* of the data was sent through other VMBus mechanisms.
*/
u32 send_buf_section_index;
u32 send_buf_section_size;
} __packed;
/*
* This message is used by both the VSP and the VSC to complete a RNDIS message
* to the opposite channel endpoint. At this point, the initiator of this
* message cannot use any resources associated with the original RNDIS packet.
*/
struct nvsp_1_message_send_rndis_packet_complete {
u32 status;
};
union nvsp_1_message_uber {
struct nvsp_1_message_send_ndis_version send_ndis_ver;
struct nvsp_1_message_send_receive_buffer send_recv_buf;
struct nvsp_1_message_send_receive_buffer_complete
send_recv_buf_complete;
struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
struct nvsp_1_message_send_send_buffer send_send_buf;
struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
struct nvsp_1_message_send_rndis_packet_complete
send_rndis_pkt_complete;
} __packed;
/*
* Network VSP protocol version 2 messages:
*/
struct nvsp_2_vsc_capability {
union {
u64 data;
struct {
u64 vmq:1;
u64 chimney:1;
u64 sriov:1;
u64 ieee8021q:1;
u64 correlation_id:1;
};
};
} __packed;
struct nvsp_2_send_ndis_config {
u32 mtu;
u32 reserved;
struct nvsp_2_vsc_capability capability;
} __packed;
/* Allocate receive buffer */
struct nvsp_2_alloc_rxbuf {
/* Allocation ID to match the allocation request and response */
u32 alloc_id;
/* Length of the VM shared memory receive buffer that needs to
* be allocated
*/
u32 len;
} __packed;
/* Allocate receive buffer complete */
struct nvsp_2_alloc_rxbuf_comp {
/* The NDIS_STATUS code for buffer allocation */
u32 status;
u32 alloc_id;
/* GPADL handle for the allocated receive buffer */
u32 gpadl_handle;
/* Receive buffer ID */
u64 recv_buf_id;
} __packed;
struct nvsp_2_free_rxbuf {
u64 recv_buf_id;
} __packed;
union nvsp_2_message_uber {
struct nvsp_2_send_ndis_config send_ndis_config;
struct nvsp_2_alloc_rxbuf alloc_rxbuf;
struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
struct nvsp_2_free_rxbuf free_rxbuf;
} __packed;
union nvsp_all_messages {
union nvsp_message_init_uber init_msg;
union nvsp_1_message_uber v1_msg;
union nvsp_2_message_uber v2_msg;
} __packed;
/* ALL Messages */
struct nvsp_message {
struct nvsp_message_header hdr;
union nvsp_all_messages msg;
} __packed;
#define NETVSC_MTU 65536
#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*2) /* 2MB */
#define NETVSC_RECEIVE_BUFFER_ID 0xcafe
#define NETVSC_RECEIVE_SG_COUNT 1
/* Preallocated receive packets */
#define NETVSC_RECEIVE_PACKETLIST_COUNT 256
#define NETVSC_PACKET_SIZE 2048
/* Per netvsc channel-specific */
struct netvsc_device {
struct hv_device *dev;
u32 nvsp_version;
atomic_t num_outstanding_sends;
bool start_remove;
bool destroy;
/*
* List of free preallocated hv_netvsc_packet to represent receive
* packet
*/
struct list_head recv_pkt_list;
spinlock_t recv_pkt_list_lock;
/* Receive buffer allocated by us but manages by NetVSP */
void *recv_buf;
u32 recv_buf_size;
u32 recv_buf_gpadl_handle;
u32 recv_section_cnt;
struct nvsp_1_receive_buffer_section *recv_section;
/* Used for NetVSP initialization protocol */
struct completion channel_init_wait;
struct nvsp_message channel_init_pkt;
struct nvsp_message revoke_packet;
/* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
struct net_device *ndev;
/* Holds rndis device info */
void *extension;
};
/* NdisInitialize message */
struct rndis_initialize_request {
u32 req_id;
u32 major_ver;
u32 minor_ver;
u32 max_xfer_size;
};
/* Response to NdisInitialize */
struct rndis_initialize_complete {
u32 req_id;
u32 status;
u32 major_ver;
u32 minor_ver;
u32 dev_flags;
u32 medium;
u32 max_pkt_per_msg;
u32 max_xfer_size;
u32 pkt_alignment_factor;
u32 af_list_offset;
u32 af_list_size;
};
/* Call manager devices only: Information about an address family */
/* supported by the device is appended to the response to NdisInitialize. */
struct rndis_co_address_family {
u32 address_family;
u32 major_ver;
u32 minor_ver;
};
/* NdisHalt message */
struct rndis_halt_request {
u32 req_id;
};
/* NdisQueryRequest message */
struct rndis_query_request {
u32 req_id;
u32 oid;
u32 info_buflen;
u32 info_buf_offset;
u32 dev_vc_handle;
};
/* Response to NdisQueryRequest */
struct rndis_query_complete {
u32 req_id;
u32 status;
u32 info_buflen;
u32 info_buf_offset;
};
/* NdisSetRequest message */
struct rndis_set_request {
u32 req_id;
u32 oid;
u32 info_buflen;
u32 info_buf_offset;
u32 dev_vc_handle;
};
/* Response to NdisSetRequest */
struct rndis_set_complete {
u32 req_id;
u32 status;
};
/* NdisReset message */
struct rndis_reset_request {
u32 reserved;
};
/* Response to NdisReset */
struct rndis_reset_complete {
u32 status;
u32 addressing_reset;
};
/* NdisMIndicateStatus message */
struct rndis_indicate_status {
u32 status;
u32 status_buflen;
u32 status_buf_offset;
};
/* Diagnostic information passed as the status buffer in */
/* struct rndis_indicate_status messages signifying error conditions. */
struct rndis_diagnostic_info {
u32 diag_status;
u32 error_offset;
};
/* NdisKeepAlive message */
struct rndis_keepalive_request {
u32 req_id;
};
/* Response to NdisKeepAlive */
struct rndis_keepalive_complete {
u32 req_id;
u32 status;
};
/*
* Data message. All Offset fields contain byte offsets from the beginning of
* struct rndis_packet. All Length fields are in bytes. VcHandle is set
* to 0 for connectionless data, otherwise it contains the VC handle.
*/
struct rndis_packet {
u32 data_offset;
u32 data_len;
u32 oob_data_offset;
u32 oob_data_len;
u32 num_oob_data_elements;
u32 per_pkt_info_offset;
u32 per_pkt_info_len;
u32 vc_handle;
u32 reserved;
};
/* Optional Out of Band data associated with a Data message. */
struct rndis_oobd {
u32 size;
u32 type;
u32 class_info_offset;
};
/* Packet extension field contents associated with a Data message. */
struct rndis_per_packet_info {
u32 size;
u32 type;
u32 ppi_offset;
};
enum ndis_per_pkt_info_type {
TCPIP_CHKSUM_PKTINFO,
IPSEC_PKTINFO,
TCP_LARGESEND_PKTINFO,
CLASSIFICATION_HANDLE_PKTINFO,
NDIS_RESERVED,
SG_LIST_PKTINFO,
IEEE_8021Q_INFO,
ORIGINAL_PKTINFO,
PACKET_CANCEL_ID,
ORIGINAL_NET_BUFLIST,
CACHED_NET_BUFLIST,
SHORT_PKT_PADINFO,
MAX_PER_PKT_INFO
};
struct ndis_pkt_8021q_info {
union {
struct {
u32 pri:3; /* User Priority */
u32 cfi:1; /* Canonical Format ID */
u32 vlanid:12; /* VLAN ID */
u32 reserved:16;
};
u32 value;
};
};
#define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
sizeof(struct ndis_pkt_8021q_info))
/* Format of Information buffer passed in a SetRequest for the OID */
/* OID_GEN_RNDIS_CONFIG_PARAMETER. */
struct rndis_config_parameter_info {
u32 parameter_name_offset;
u32 parameter_name_length;
u32 parameter_type;
u32 parameter_value_offset;
u32 parameter_value_length;
};
/* Values for ParameterType in struct rndis_config_parameter_info */
#define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
#define RNDIS_CONFIG_PARAM_TYPE_STRING 2
/* CONDIS Miniport messages for connection oriented devices */
/* that do not implement a call manager. */
/* CoNdisMiniportCreateVc message */
struct rcondis_mp_create_vc {
u32 req_id;
u32 ndis_vc_handle;
};
/* Response to CoNdisMiniportCreateVc */
struct rcondis_mp_create_vc_complete {
u32 req_id;
u32 dev_vc_handle;
u32 status;
};
/* CoNdisMiniportDeleteVc message */
struct rcondis_mp_delete_vc {
u32 req_id;
u32 dev_vc_handle;
};
/* Response to CoNdisMiniportDeleteVc */
struct rcondis_mp_delete_vc_complete {
u32 req_id;
u32 status;
};
/* CoNdisMiniportQueryRequest message */
struct rcondis_mp_query_request {
u32 req_id;
u32 request_type;
u32 oid;
u32 dev_vc_handle;
u32 info_buflen;
u32 info_buf_offset;
};
/* CoNdisMiniportSetRequest message */
struct rcondis_mp_set_request {
u32 req_id;
u32 request_type;
u32 oid;
u32 dev_vc_handle;
u32 info_buflen;
u32 info_buf_offset;
};
/* CoNdisIndicateStatus message */
struct rcondis_indicate_status {
u32 ndis_vc_handle;
u32 status;
u32 status_buflen;
u32 status_buf_offset;
};
/* CONDIS Call/VC parameters */
struct rcondis_specific_parameters {
u32 parameter_type;
u32 parameter_length;
u32 parameter_lffset;
};
struct rcondis_media_parameters {
u32 flags;
u32 reserved1;
u32 reserved2;
struct rcondis_specific_parameters media_specific;
};
struct rndis_flowspec {
u32 token_rate;
u32 token_bucket_size;
u32 peak_bandwidth;
u32 latency;
u32 delay_variation;
u32 service_type;
u32 max_sdu_size;
u32 minimum_policed_size;
};
struct rcondis_call_manager_parameters {
struct rndis_flowspec transmit;
struct rndis_flowspec receive;
struct rcondis_specific_parameters call_mgr_specific;
};
/* CoNdisMiniportActivateVc message */
struct rcondis_mp_activate_vc_request {
u32 req_id;
u32 flags;
u32 dev_vc_handle;
u32 media_params_offset;
u32 media_params_length;
u32 call_mgr_params_offset;
u32 call_mgr_params_length;
};
/* Response to CoNdisMiniportActivateVc */
struct rcondis_mp_activate_vc_complete {
u32 req_id;
u32 status;
};
/* CoNdisMiniportDeactivateVc message */
struct rcondis_mp_deactivate_vc_request {
u32 req_id;
u32 flags;
u32 dev_vc_handle;
};
/* Response to CoNdisMiniportDeactivateVc */
struct rcondis_mp_deactivate_vc_complete {
u32 req_id;
u32 status;
};
/* union with all of the RNDIS messages */
union rndis_message_container {
struct rndis_packet pkt;
struct rndis_initialize_request init_req;
struct rndis_halt_request halt_req;
struct rndis_query_request query_req;
struct rndis_set_request set_req;
struct rndis_reset_request reset_req;
struct rndis_keepalive_request keep_alive_req;
struct rndis_indicate_status indicate_status;
struct rndis_initialize_complete init_complete;
struct rndis_query_complete query_complete;
struct rndis_set_complete set_complete;
struct rndis_reset_complete reset_complete;
struct rndis_keepalive_complete keep_alive_complete;
struct rcondis_mp_create_vc co_miniport_create_vc;
struct rcondis_mp_delete_vc co_miniport_delete_vc;
struct rcondis_indicate_status co_indicate_status;
struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
struct rcondis_mp_deactivate_vc_complete
co_miniport_deactivate_vc_complete;
};
/* Remote NDIS message format */
struct rndis_message {
u32 ndis_msg_type;
/* Total length of this message, from the beginning */
/* of the sruct rndis_message, in bytes. */
u32 msg_len;
/* Actual message */
union rndis_message_container msg;
};
struct rndis_filter_packet {
void *completion_ctx;
void (*completion)(void *context);
struct rndis_message msg;
};
/* Handy macros */
/* get the size of an RNDIS message. Pass in the message type, */
/* struct rndis_set_request, struct rndis_packet for example */
#define RNDIS_MESSAGE_SIZE(msg) \
(sizeof(msg) + (sizeof(struct rndis_message) - \
sizeof(union rndis_message_container)))
/* get pointer to info buffer with message pointer */
#define MESSAGE_TO_INFO_BUFFER(msg) \
(((unsigned char *)(msg)) + msg->info_buf_offset)
/* get pointer to status buffer with message pointer */
#define MESSAGE_TO_STATUS_BUFFER(msg) \
(((unsigned char *)(msg)) + msg->status_buf_offset)
/* get pointer to OOBD buffer with message pointer */
#define MESSAGE_TO_OOBD_BUFFER(msg) \
(((unsigned char *)(msg)) + msg->oob_data_offset)
/* get pointer to data buffer with message pointer */
#define MESSAGE_TO_DATA_BUFFER(msg) \
(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
/* get pointer to contained message from NDIS_MESSAGE pointer */
#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
((void *) &rndis_msg->msg)
/* get pointer to contained message from NDIS_MESSAGE pointer */
#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
((void *) rndis_msg)
#define __struct_bcount(x)
#define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
sizeof(union rndis_message_container))
#define NDIS_PACKET_TYPE_DIRECTED 0x00000001
#define NDIS_PACKET_TYPE_MULTICAST 0x00000002
#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
#define NDIS_PACKET_TYPE_BROADCAST 0x00000008
#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
#define NDIS_PACKET_TYPE_SMT 0x00000040
#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
#define NDIS_PACKET_TYPE_GROUP 0x00000100
#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
#endif /* _HYPERV_NET_H */
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