blob: 729caffd34a67c2a782f57f5161bb564b3424c1a [file] [log] [blame]
/*
* sfe_drv.h
* simulated driver headers for shortcut forwarding engine.
*
* Copyright (c) 2015,2016 The Linux Foundation. All rights reserved.
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all copies.
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __SFE_DRV_H
#define __SFE_DRV_H
#define MAX_VLAN_DEPTH 2
#define SFE_VLAN_ID_NOT_CONFIGURED 0xfff
#define SFE_MC_IF_MAX 16
#define SFE_SPECIAL_INTERFACE_BASE 0x7f00
#define SFE_SPECIAL_INTERFACE_IPV4 (SFE_SPECIAL_INTERFACE_BASE + 1)
#define SFE_SPECIAL_INTERFACE_IPV6 (SFE_SPECIAL_INTERFACE_BASE + 2)
#define SFE_SPECIAL_INTERFACE_IPSEC (SFE_SPECIAL_INTERFACE_BASE + 3)
#define SFE_SPECIAL_INTERFACE_L2TP (SFE_SPECIAL_INTERFACE_BASE + 4)
#define SFE_SPECIAL_INTERFACE_PPTP (SFE_SPECIAL_INTERFACE_BASE + 5)
/**
* Rule creation & rule update flags.
*/
#define SFE_RULE_CREATE_FLAG_NO_SEQ_CHECK (1<<0) /**< Do not perform TCP sequence number checks */
#define SFE_RULE_CREATE_FLAG_BRIDGE_FLOW (1<<1) /**< This is a pure bridge forwarding flow */
#define SFE_RULE_CREATE_FLAG_ROUTED (1<<2) /**< Rule is for a routed connection */
#define SFE_RULE_CREATE_FLAG_DSCP_MARKING (1<<3) /**< Rule has for a DSCP marking configured*/
#define SFE_RULE_CREATE_FLAG_VLAN_MARKING (1<<4) /**< Rule has for a VLAN marking configured*/
#define SFE_RULE_UPDATE_FLAG_CHANGE_MTU (1<<5) /**< Update MTU of connection interfaces */
#define SFE_RULE_CREATE_FLAG_ICMP_NO_CME_FLUSH (1<<6)/**< Rule for not flushing CME on ICMP pkt */
#define SFE_RULE_CREATE_FLAG_L2_ENCAP (1<<7) /**< consists of an encapsulating protocol that carries an IPv4 payload within it. */
#define SFE_RULE_CREATE_FLAG_MC_JOIN (1<<8) /**< Interface has joined the flow */
#define SFE_RULE_CREATE_FLAG_MC_LEAVE (1<<9) /**< Interface has left the flow */
#define SFE_RULE_CREATE_FLAG_MC_UPDATE (1<<10)/**< Multicast Rule update */
/**
* Rule creation validity flags.
*/
#define SFE_RULE_CREATE_CONN_VALID (1<<0) /**< IPv4 Connection is valid */
#define SFE_RULE_CREATE_TCP_VALID (1<<1) /**< TCP Protocol fields are valid */
#define SFE_RULE_CREATE_PPPOE_VALID (1<<2) /**< PPPoE fields are valid */
#define SFE_RULE_CREATE_QOS_VALID (1<<3) /**< QoS fields are valid */
#define SFE_RULE_CREATE_VLAN_VALID (1<<4) /**< VLAN fields are valid */
#define SFE_RULE_CREATE_DSCP_MARKING_VALID (1<<5) /**< DSCP marking fields are valid */
#define SFE_RULE_CREATE_VLAN_MARKING_VALID (1<<6) /**< VLAN marking fields are valid */
#define SFE_RULE_CREATE_MC_NAT_VALID (1<<7) /**< Interface is configured with Source-NAT */
#define SFE_RULE_CREATE_DIRECTION_VALID (1<<8) /**< specify acceleration directions */
/*
* 32/64 bits pointer type
*/
#ifdef __LP64__
typedef uint64_t sfe_ptr_t;
#else
typedef uint32_t sfe_ptr_t;
#endif
typedef enum sfe_rule_sync_reason {
SFE_RULE_SYNC_REASON_STATS, /* Sync is to synchronize stats */
SFE_RULE_SYNC_REASON_FLUSH, /* Sync is to flush a entry */
SFE_RULE_SYNC_REASON_EVICT, /* Sync is to evict a entry */
SFE_RULE_SYNC_REASON_DESTROY /* Sync is to destroy a entry(requested by connection manager) */
} sfe_rule_sync_reason_t;
/**
* Tx command status
*/
typedef enum {
SFE_TX_SUCCESS = 0, /**< Success */
SFE_TX_FAILURE, /**< Command failure other than descriptor not available */
SFE_TX_FAILURE_QUEUE, /**< Command failure due to descriptor not available */
SFE_TX_FAILURE_NOT_READY, /**< Command failure due to SFE state uninitialized */
SFE_TX_FAILURE_TOO_LARGE, /**< Command is too large to fit in one message */
SFE_TX_FAILURE_TOO_SHORT, /**< Command/Packet is shorter than expected size */
SFE_TX_FAILURE_NOT_SUPPORTED, /**< Command/Packet not accepted for forwarding */
SFE_TX_FAILURE_BAD_PARAM, /**< Command failure due to bad parameters */
SFE_TX_FAILURE_NOT_ENABLED, /**< Command failure due to SFE feature is not enabled */
} sfe_tx_status_t;
/**
* Common response structure
*/
enum sfe_cmn_response {
SFE_CMN_RESPONSE_ACK, /**< Message Acknowledge */
SFE_CMN_RESPONSE_EVERSION, /**< Message Version Error */
SFE_CMN_RESPONSE_EINTERFACE, /**< Message Interface Error */
SFE_CMN_RESPONSE_ELENGTH, /**< Message Length Error */
SFE_CMN_RESPONSE_EMSG, /**< Message Error */
SFE_CMM_RESPONSE_NOTIFY, /**< Message Independant of Request */
SFE_CMN_RESPONSE_LAST
};
/**
* IPv4 bridge/route rule messages
*/
enum sfe_message_types {
SFE_TX_CREATE_RULE_MSG, /**< IPv4/6 create rule message */
SFE_TX_DESTROY_RULE_MSG, /**< IPv4/6 destroy rule message */
SFE_RX_CONN_STATS_SYNC_MSG, /**< IPv4/6 connection stats sync message */
SFE_TX_CREATE_MC_RULE_MSG, /**< IPv4/6 multicast create rule message */
SFE_TUN6RD_ADD_UPDATE_PEER, /**< Add/update peer for 6rd tunnel */
SFE_MAX_MSG_TYPES, /**< IPv4/6 message max type number */
};
/**
* Common message structure
*/
struct sfe_cmn_msg {
u16 version; /**< Version id for main message format */
u16 interface; /**< Primary Key for all messages */
enum sfe_cmn_response response; /**< Primary response */
u32 type; /**< Decetralized request #, to be used to match response # */
u32 error; /**< Decentralized specific error message, response == EMSG */
sfe_ptr_t cb; /**< Place for callback pointer */
sfe_ptr_t app_data; /**< Place for app data */
u32 len; /**< What is the length of the message excluding this header */
};
/**
* Common 5 tuple structure
*/
struct sfe_ipv4_5tuple {
__be32 flow_ip; /**< Flow IP address */
__be32 return_ip; /**< Return IP address */
__be16 flow_ident; /**< Flow ident (e.g. TCP/UDP port) */
__be16 return_ident; /**< Return ident (e.g. TCP/UDP port) */
u8 protocol; /**< Protocol number */
u8 reserved[3]; /**< Padded for alignment */
};
/**
* Common 5 tuple structure
*/
struct sfe_ipv6_5tuple {
__be32 flow_ip[4]; /**< Flow IP address */
__be32 return_ip[4]; /**< Return IP address */
__be16 flow_ident; /**< Flow ident (e.g. TCP/UDP port) */
__be16 return_ident; /**< Return ident (e.g. TCP/UDP port) */
u8 protocol; /**< Protocol number */
u8 reserved[3]; /**< Padded for alignment */
};
/**
* Connection create structure
*/
struct sfe_ipv4_connection_rule {
u8 flow_mac[6]; /**< Flow MAC address */
u8 return_mac[6]; /**< Return MAC address */
s32 flow_interface_num; /**< Flow interface number */
s32 return_interface_num; /**< Return interface number */
s32 flow_top_interface_num; /* Top flow interface number */
s32 return_top_interface_num;/* Top return interface number */
u32 flow_mtu; /**< Flow interface`s MTU */
u32 return_mtu; /**< Return interface`s MTU */
__be32 flow_ip_xlate; /**< Translated flow IP address */
__be32 return_ip_xlate; /**< Translated return IP address */
__be16 flow_ident_xlate; /**< Translated flow ident (e.g. port) */
__be16 return_ident_xlate; /**< Translated return ident (e.g. port) */
};
/**
* Connection create structure
*/
struct sfe_ipv6_connection_rule {
u8 flow_mac[6]; /**< Flow MAC address */
u8 return_mac[6]; /**< Return MAC address */
s32 flow_interface_num; /**< Flow interface number */
s32 return_interface_num; /**< Return interface number */
s32 flow_top_interface_num; /* Top flow interface number */
s32 return_top_interface_num;/* Top return interface number */
u32 flow_mtu; /**< Flow interface's MTU */
u32 return_mtu; /**< Return interface's MTU */
};
/**
* TCP connection rule structure
*/
struct sfe_protocol_tcp_rule {
u32 flow_max_window; /**< Flow direction's largest seen window */
u32 return_max_window; /**< Return direction's largest seen window */
u32 flow_end; /**< Flow direction's largest seen sequence + segment length */
u32 return_end; /**< Return direction's largest seen sequence + segment length */
u32 flow_max_end; /**< Flow direction's largest seen ack + max(1, win) */
u32 return_max_end; /**< Return direction's largest seen ack + max(1, win) */
u8 flow_window_scale; /**< Flow direction's window scaling factor */
u8 return_window_scale; /**< Return direction's window scaling factor */
u16 reserved; /**< Padded for alignment */
};
/**
* PPPoE connection rules structure
*/
struct sfe_pppoe_rule {
u16 flow_pppoe_session_id; /**< Flow direction`s PPPoE session ID. */
u16 flow_pppoe_remote_mac[3]; /**< Flow direction`s PPPoE Server MAC address */
u16 return_pppoe_session_id; /**< Return direction's PPPoE session ID. */
u16 return_pppoe_remote_mac[3]; /**< Return direction's PPPoE Server MAC address */
};
/**
* QoS connection rule structure
*/
struct sfe_qos_rule {
u32 flow_qos_tag; /**< QoS tag associated with this rule for flow direction */
u32 return_qos_tag; /**< QoS tag associated with this rule for return direction */
};
/**
* DSCP connection rule structure
*/
struct sfe_dscp_rule {
u8 flow_dscp; /**< Egress DSCP value for flow direction */
u8 return_dscp; /**< Egress DSCP value for return direction */
u8 reserved[2]; /**< Padded for alignment */
};
/**
* VLAN connection rule structure
*/
struct sfe_vlan_rule {
u32 ingress_vlan_tag; /**< VLAN Tag for the ingress packets */
u32 egress_vlan_tag; /**< VLAN Tag for egress packets */
};
/**
* Acceleration direction rule structure
* Sometimes we just want to accelerate traffic in one direction but not in another.
*/
struct sfe_acceleration_direction_rule {
u8 flow_accel; /**< Accelerate in flow direction */
u8 return_accel; /**< Accelerate in return direction */
u8 reserved[2]; /**< Padded for alignment */
};
/**
* The IPv4 rule create sub-message structure.
*/
struct sfe_ipv4_rule_create_msg {
/* Request */
u16 valid_flags; /**< Bit flags associated with the validity of parameters */
u16 rule_flags; /**< Bit flags associated with the rule */
struct sfe_ipv4_5tuple tuple; /**< Holds values of the 5 tuple */
struct sfe_ipv4_connection_rule conn_rule; /**< Basic connection specific data */
struct sfe_protocol_tcp_rule tcp_rule; /**< TCP related accleration parameters */
struct sfe_pppoe_rule pppoe_rule; /**< PPPoE related accleration parameters */
struct sfe_qos_rule qos_rule; /**< QoS related accleration parameters */
struct sfe_dscp_rule dscp_rule; /**< DSCP related accleration parameters */
struct sfe_vlan_rule vlan_primary_rule; /**< Primary VLAN related accleration parameters */
struct sfe_vlan_rule vlan_secondary_rule; /**< Secondary VLAN related accleration parameters */
#ifdef CONFIG_XFRM
struct sfe_acceleration_direction_rule direction_rule;/* Direction related accleration parameters*/
#endif
/* Response */
u32 index; /**< Slot ID for cache stats to host OS */
};
/**
* The IPv4 rule destroy sub-message structure.
*/
struct sfe_ipv4_rule_destroy_msg {
struct sfe_ipv4_5tuple tuple; /**< Holds values of the 5 tuple */
};
/**
* The SFE IPv4 rule sync structure.
*/
struct sfe_ipv4_conn_sync {
u32 index; /**< Slot ID for cache stats to host OS */
u8 protocol; /**< Protocol number */
__be32 flow_ip; /**< Flow IP address */
__be32 flow_ip_xlate; /**< Translated flow IP address */
__be16 flow_ident; /**< Flow ident (e.g. port) */
__be16 flow_ident_xlate; /**< Translated flow ident (e.g. port) */
u32 flow_max_window; /**< Flow direction's largest seen window */
u32 flow_end; /**< Flow direction's largest seen sequence + segment length */
u32 flow_max_end; /**< Flow direction's largest seen ack + max(1, win) */
u32 flow_rx_packet_count; /**< Flow interface's RX packet count */
u32 flow_rx_byte_count; /**< Flow interface's RX byte count */
u32 flow_tx_packet_count; /**< Flow interface's TX packet count */
u32 flow_tx_byte_count; /**< Flow interface's TX byte count */
u16 flow_pppoe_session_id; /**< Flow interface`s PPPoE session ID. */
u16 flow_pppoe_remote_mac[3];
/**< Flow interface's PPPoE remote server MAC address if there is any */
__be32 return_ip; /**< Return IP address */
__be32 return_ip_xlate; /**< Translated return IP address */
__be16 return_ident; /**< Return ident (e.g. port) */
__be16 return_ident_xlate; /**< Translated return ident (e.g. port) */
u32 return_max_window; /**< Return direction's largest seen window */
u32 return_end; /**< Return direction's largest seen sequence + segment length */
u32 return_max_end; /**< Return direction's largest seen ack + max(1, win) */
u32 return_rx_packet_count;
/**< Return interface's RX packet count */
u32 return_rx_byte_count; /**< Return interface's RX byte count */
u32 return_tx_packet_count;
/**< Return interface's TX packet count */
u32 return_tx_byte_count; /**< Return interface's TX byte count */
u16 return_pppoe_session_id;
/**< Return interface`s PPPoE session ID. */
u16 return_pppoe_remote_mac[3];
/**< Return interface's PPPoE remote server MAC address if there is any */
u32 inc_ticks; /**< Number of ticks since the last sync */
u32 reason; /**< Reason for the sync */
u8 flags; /**< Bit flags associated with the rule */
u32 qos_tag; /**< QoS Tag */
u32 cause; /**< Flush Cause */
};
/*
* Message structure to send/receive IPv4 bridge/route commands
*/
struct sfe_ipv4_msg {
struct sfe_cmn_msg cm; /**< Message Header */
union {
struct sfe_ipv4_rule_create_msg rule_create; /**< Message: rule create */
struct sfe_ipv4_rule_destroy_msg rule_destroy; /**< Message: rule destroy */
struct sfe_ipv4_conn_sync conn_stats; /**< Message: connection stats sync */
} msg;
};
/**
* Callback to be called when IPv4 message is received
*/
typedef void (*sfe_ipv4_msg_callback_t)(void *app_data, struct sfe_ipv4_msg *msg);
/**
* The IPv6 rule create sub-message structure.
*/
struct sfe_ipv6_rule_create_msg {
/*
* Request
*/
u16 valid_flags; /**< Bit flags associated with the validity of parameters */
u16 rule_flags; /**< Bit flags associated with the rule */
struct sfe_ipv6_5tuple tuple; /**< Holds values of the 5 tuple */
struct sfe_ipv6_connection_rule conn_rule; /**< Basic connection specific data */
struct sfe_protocol_tcp_rule tcp_rule; /**< Protocol related accleration parameters */
struct sfe_pppoe_rule pppoe_rule; /**< PPPoE related accleration parameters */
struct sfe_qos_rule qos_rule; /**< QoS related accleration parameters */
struct sfe_dscp_rule dscp_rule; /**< DSCP related accleration parameters */
struct sfe_vlan_rule vlan_primary_rule; /**< VLAN related accleration parameters */
struct sfe_vlan_rule vlan_secondary_rule; /**< VLAN related accleration parameters */
#ifdef CONFIG_XFRM
struct sfe_acceleration_direction_rule direction_rule;/* Direction related accleration parameters*/
#endif
/*
* Response
*/
u32 index; /**< Slot ID for cache stats to host OS */
};
/**
* The IPv6 rule destroy sub-message structure.
*/
struct sfe_ipv6_rule_destroy_msg {
struct sfe_ipv6_5tuple tuple; /**< Holds values of the 5 tuple */
};
/**
* The SFE IPv6 rule sync structure.
*/
struct sfe_ipv6_conn_sync {
u32 index; /**< Slot ID for cache stats to host OS */
u8 protocol; /**< Protocol number */
__be32 flow_ip[4]; /**< Flow IP address */
__be16 flow_ident; /**< Flow ident (e.g. port) */
u32 flow_max_window; /**< Flow direction's largest seen window */
u32 flow_end; /**< Flow direction's largest seen sequence + segment length */
u32 flow_max_end; /**< Flow direction's largest seen ack + max(1, win) */
u32 flow_rx_packet_count; /**< Flow interface's RX packet count */
u32 flow_rx_byte_count; /**< Flow interface's RX byte count */
u32 flow_tx_packet_count; /**< Flow interface's TX packet count */
u32 flow_tx_byte_count; /**< Flow interface's TX byte count */
u16 flow_pppoe_session_id; /**< Flow interface`s PPPoE session ID. */
u16 flow_pppoe_remote_mac[3];
/**< Flow interface's PPPoE remote server MAC address if there is any */
__be32 return_ip[4]; /**< Return IP address */
__be16 return_ident; /**< Return ident (e.g. port) */
u32 return_max_window; /**< Return direction's largest seen window */
u32 return_end; /**< Return direction's largest seen sequence + segment length */
u32 return_max_end; /**< Return direction's largest seen ack + max(1, win) */
u32 return_rx_packet_count;
/**< Return interface's RX packet count */
u32 return_rx_byte_count; /**< Return interface's RX byte count */
u32 return_tx_packet_count;
/**< Return interface's TX packet count */
u32 return_tx_byte_count; /**< Return interface's TX byte count */
u16 return_pppoe_session_id;
/**< Return interface`s PPPoE session ID. */
u16 return_pppoe_remote_mac[3];
/**< Return interface's PPPoE remote server MAC address if there is any */
u32 inc_ticks; /**< Number of ticks since the last sync */
u32 reason; /**< Reason for the sync */
u8 flags; /**< Bit flags associated with the rule */
u32 qos_tag; /**< QoS Tag */
u32 cause; /**< Flush cause associated with the rule */
};
/**
* Message structure to send/receive IPv6 bridge/route commands
*/
struct sfe_ipv6_msg {
struct sfe_cmn_msg cm; /**< Message Header */
union {
struct sfe_ipv6_rule_create_msg rule_create; /**< Message: rule create */
struct sfe_ipv6_rule_destroy_msg rule_destroy; /**< Message: rule destroy */
struct sfe_ipv6_conn_sync conn_stats; /**< Message: stats sync */
} msg;
};
/**
* Callback to be called when IPv6 message is received
*/
typedef void (*sfe_ipv6_msg_callback_t)(void *app_data, struct sfe_ipv6_msg *msg);
/**
* 6rd tunnel peer addr.
*/
struct sfe_tun6rd_set_peer_msg {
__be32 ipv6_address[4]; /* The peer's ipv6 addr*/
__be32 dest; /* The peer's ipv4 addr*/
};
/**
* Message structure to send/receive 6rd tunnel messages
*/
struct sfe_tun6rd_msg {
struct sfe_cmn_msg cm; /* Message Header */
union {
struct sfe_tun6rd_set_peer_msg peer; /* Message: add/update peer */
} msg;
};
/*
* sfe driver context instance
*/
struct sfe_drv_ctx_instance {
int not_used;
};
/*
* sfe_drv_ipv4_max_conn_count()
* Return the maximum number of IPv4 connections that the sfe acceleration engine supports
*
* @return int The number of connections that can be accelerated by the sfe
*/
int sfe_drv_ipv4_max_conn_count(void);
/*
* sfe_drv_ipv4_tx()
* Transmit an IPv4 message to the sfe
*
* @param sfe_drv_ctx sfe driver context
* @param msg The IPv4 message
*
* @return sfe_tx_status_t The status of the Tx operation
*/
extern sfe_tx_status_t sfe_drv_ipv4_tx(struct sfe_drv_ctx_instance *sfe_drv_ctx, struct sfe_ipv4_msg *msg);
/*
* sfe_drv_ipv4_notify_register()
* Register a notifier callback for IPv4 messages from sfe driver
*
* @param cb The callback pointer
* @param app_data The application context for this message
*
* @return struct sfe_drv_ctx_instance * The sfe driver context
*/
extern struct sfe_drv_ctx_instance *sfe_drv_ipv4_notify_register(sfe_ipv4_msg_callback_t cb, void *app_data);
/*
* sfe_drv_ipv4_notify_unregister()
* Un-Register a notifier callback for IPv4 messages from sfe driver
*/
extern void sfe_drv_ipv4_notify_unregister(void);
/*
* sfe_ipv4_msg_init()
* IPv4 message init
*/
extern void sfe_ipv4_msg_init(struct sfe_ipv4_msg *nim, u16 if_num, u32 type, u32 len,
sfe_ipv4_msg_callback_t cb, void *app_data);
/*
* sfe_drv_ipv6_max_conn_count()
* Return the maximum number of IPv6 connections that the sfe acceleration engine supports
*
* @return int The number of connections that can be accelerated by the sfe
*/
int sfe_drv_ipv6_max_conn_count(void);
/*
* sfe_drv_ipv6_tx()
* Transmit an IPv6 message to the sfe
*
* @param sfe_drv_ctx sfe driver context
* @param msg The IPv6 message
*
* @return sfe_tx_status_t The status of the Tx operation
*/
extern sfe_tx_status_t sfe_drv_ipv6_tx(struct sfe_drv_ctx_instance *sfe_drv_ctx, struct sfe_ipv6_msg *msg);
/*
* sfe_drv_ipv6_notify_register()
* Register a notifier callback for IPv6 messages from sfe driver
*
* @param cb The callback pointer
* @param app_data The application context for this message
*
* @return struct sfe_drv_ctx_instance * The sfe driver context
*/
extern struct sfe_drv_ctx_instance *sfe_drv_ipv6_notify_register(sfe_ipv6_msg_callback_t cb, void *app_data);
/*
* sfe_drv_ipv6_notify_unregister()
* Un-Register a notifier callback for IPv6 messages from sfe driver
*/
extern void sfe_drv_ipv6_notify_unregister(void);
/*
* sfe_ipv6_msg_init()
* IPv6 message init
*/
extern void sfe_ipv6_msg_init(struct sfe_ipv6_msg *nim, u16 if_num, u32 type, u32 len,
sfe_ipv6_msg_callback_t cb, void *app_data);
/*
* sfe_tun6rd_tx()
* Transmit a tun6rd message to sfe engine
*/
sfe_tx_status_t sfe_tun6rd_tx(struct sfe_drv_ctx_instance *sfe_ctx, struct sfe_tun6rd_msg *msg);
/*
* sfe_tun6rd_msg_init()
* Initialize sfe_tun6rd msg.
*/
void sfe_tun6rd_msg_init(struct sfe_tun6rd_msg *ncm, u16 if_num, u32 type, u32 len,
void *cb, void *app_data);
#endif /* __SFE_DRV_H */