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#ifndef _ATMMPC_H_

#define _ATMMPC_H_

#include <linux/atmapi.h>

#include <linux/atmioc.h>

#include <linux/atm.h>

#include <linux/types.h>

#define ATMMPC_CTRL _IO('a', ATMIOC_MPOA)

#define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1)

#define MPC_SOCKET_INGRESS 1

#define MPC_SOCKET_EGRESS  2

struct atmmpc_ioc {

        int dev_num;

        __be32 ipaddr;              /* the IP address of the shortcut    */

        int type;                     /* ingress or egress                 */

};

typedef struct in_ctrl_info {

        __u8   Last_NHRP_CIE_code;

        __u8   Last_Q2931_cause_value;

        __u8   eg_MPC_ATM_addr[ATM_ESA_LEN];

        __be32  tag;

        __be32  in_dst_ip;      /* IP address this ingress MPC sends packets to */

        __u16  holding_time;

        __u32  request_id;

} in_ctrl_info;

typedef struct eg_ctrl_info {

        __u8   DLL_header[256];

        __u8   DH_length;

        __be32  cache_id;

        __be32  tag;

        __be32  mps_ip;

        __be32  eg_dst_ip;      /* IP address to which ingress MPC sends packets */

        __u8   in_MPC_data_ATM_addr[ATM_ESA_LEN];

        __u16  holding_time;

} eg_ctrl_info;

struct mpc_parameters {

        __u16 mpc_p1;   /* Shortcut-Setup Frame Count    */

        __u16 mpc_p2;   /* Shortcut-Setup Frame Time     */

        __u8 mpc_p3[8]; /* Flow-detection Protocols      */

        __u16 mpc_p4;   /* MPC Initial Retry Time        */

        __u16 mpc_p5;   /* MPC Retry Time Maximum        */

        __u16 mpc_p6;   /* Hold Down Time                */

} ;

struct k_message {

        __u16 type;

        __be32 ip_mask;

        __u8  MPS_ctrl[ATM_ESA_LEN];

        union {

                in_ctrl_info in_info;

                eg_ctrl_info eg_info;

                struct mpc_parameters params;

        } content;

        struct atm_qos qos;

} __ATM_API_ALIGN;

struct llc_snap_hdr {

        /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */

        __u8  dsap;    /* Destination Service Access Point (0xAA)     */

        __u8  ssap;    /* Source Service Access Point      (0xAA)     */

        __u8  ui;      /* Unnumbered Information           (0x03)     */

        __u8  org[3];  /* Organizational identification    (0x000000) */

        __u8  type[2]; /* Ether type (for IP)              (0x0800)   */

};

/* TLVs this MPC recognizes */

#define TLV_MPOA_DEVICE_TYPE         0x00a03e2a  

/* MPOA device types in MPOA Device Type TLV */

#define NON_MPOA    0

#define MPS         1

#define MPC         2

#define MPS_AND_MPC 3

/* MPC parameter defaults */

#define MPC_P1 10  /* Shortcut-Setup Frame Count  */ 

#define MPC_P2 1   /* Shortcut-Setup Frame Time   */

#define MPC_P3 0   /* Flow-detection Protocols    */

#define MPC_P4 5   /* MPC Initial Retry Time      */

#define MPC_P5 40  /* MPC Retry Time Maximum      */

#define MPC_P6 160 /* Hold Down Time              */

#define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */

/* MPC constants */

#define MPC_C1 2   /* Retry Time Multiplier       */

#define MPC_C2 60  /* Initial Keep-Alive Lifetime */

/* Message types - to MPOA daemon */

#define SND_MPOA_RES_RQST    201

#define SET_MPS_CTRL_ADDR    202

#define SND_MPOA_RES_RTRY    203 /* Different type in a retry due to req id         */

#define STOP_KEEP_ALIVE_SM   204

#define EGRESS_ENTRY_REMOVED 205

#define SND_EGRESS_PURGE     206

#define DIE                  207 /* tell the daemon to exit()                       */

#define DATA_PLANE_PURGE     208 /* Data plane purge because of egress cache hit miss or dead MPS */

#define OPEN_INGRESS_SVC     209

/* Message types - from MPOA daemon */

#define MPOA_TRIGGER_RCVD     101

#define MPOA_RES_REPLY_RCVD   102

#define INGRESS_PURGE_RCVD    103

#define EGRESS_PURGE_RCVD     104

#define MPS_DEATH             105

#define CACHE_IMPOS_RCVD      106

#define SET_MPC_CTRL_ADDR     107 /* Our MPC's control ATM address   */

#define SET_MPS_MAC_ADDR      108

#define CLEAN_UP_AND_EXIT     109

#define SET_MPC_PARAMS        110 /* MPC configuration parameters    */

/* Message types - bidirectional */

#define RELOAD                301 /* kill -HUP the daemon for reload */

#endif /* _ATMMPC_H_ */