#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_ */