1#ifndef _ATMMPC_H_ 2#define _ATMMPC_H_ 3 4#include <linux/atmapi.h> 5#include <linux/atmioc.h> 6#include <linux/atm.h> 7#include <linux/types.h> 8 9#define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) 10#define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) 11 12#define MPC_SOCKET_INGRESS 1 13#define MPC_SOCKET_EGRESS 2 14 15struct atmmpc_ioc { 16 int dev_num; 17 __be32 ipaddr; /* the IP address of the shortcut */ 18 int type; /* ingress or egress */ 19}; 20 21typedef struct in_ctrl_info { 22 __u8 Last_NHRP_CIE_code; 23 __u8 Last_Q2931_cause_value; 24 __u8 eg_MPC_ATM_addr[ATM_ESA_LEN]; 25 __be32 tag; 26 __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */ 27 __u16 holding_time; 28 __u32 request_id; 29} in_ctrl_info; 30 31typedef struct eg_ctrl_info { 32 __u8 DLL_header[256]; 33 __u8 DH_length; 34 __be32 cache_id; 35 __be32 tag; 36 __be32 mps_ip; 37 __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */ 38 __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN]; 39 __u16 holding_time; 40} eg_ctrl_info; 41 42struct mpc_parameters { 43 __u16 mpc_p1; /* Shortcut-Setup Frame Count */ 44 __u16 mpc_p2; /* Shortcut-Setup Frame Time */ 45 __u8 mpc_p3[8]; /* Flow-detection Protocols */ 46 __u16 mpc_p4; /* MPC Initial Retry Time */ 47 __u16 mpc_p5; /* MPC Retry Time Maximum */ 48 __u16 mpc_p6; /* Hold Down Time */ 49} ; 50 51struct k_message { 52 __u16 type; 53 __be32 ip_mask; 54 __u8 MPS_ctrl[ATM_ESA_LEN]; 55 union { 56 in_ctrl_info in_info; 57 eg_ctrl_info eg_info; 58 struct mpc_parameters params; 59 } content; 60 struct atm_qos qos; 61} __ATM_API_ALIGN; 62 63struct llc_snap_hdr { 64 /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ 65 __u8 dsap; /* Destination Service Access Point (0xAA) */ 66 __u8 ssap; /* Source Service Access Point (0xAA) */ 67 __u8 ui; /* Unnumbered Information (0x03) */ 68 __u8 org[3]; /* Organizational identification (0x000000) */ 69 __u8 type[2]; /* Ether type (for IP) (0x0800) */ 70}; 71 72/* TLVs this MPC recognizes */ 73#define TLV_MPOA_DEVICE_TYPE 0x00a03e2a 74 75/* MPOA device types in MPOA Device Type TLV */ 76#define NON_MPOA 0 77#define MPS 1 78#define MPC 2 79#define MPS_AND_MPC 3 80 81 82/* MPC parameter defaults */ 83 84#define MPC_P1 10 /* Shortcut-Setup Frame Count */ 85#define MPC_P2 1 /* Shortcut-Setup Frame Time */ 86#define MPC_P3 0 /* Flow-detection Protocols */ 87#define MPC_P4 5 /* MPC Initial Retry Time */ 88#define MPC_P5 40 /* MPC Retry Time Maximum */ 89#define MPC_P6 160 /* Hold Down Time */ 90#define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ 91 92/* MPC constants */ 93 94#define MPC_C1 2 /* Retry Time Multiplier */ 95#define MPC_C2 60 /* Initial Keep-Alive Lifetime */ 96 97/* Message types - to MPOA daemon */ 98 99#define SND_MPOA_RES_RQST 201 100#define SET_MPS_CTRL_ADDR 202 101#define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ 102#define STOP_KEEP_ALIVE_SM 204 103#define EGRESS_ENTRY_REMOVED 205 104#define SND_EGRESS_PURGE 206 105#define DIE 207 /* tell the daemon to exit() */ 106#define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ 107#define OPEN_INGRESS_SVC 209 108 109/* Message types - from MPOA daemon */ 110 111#define MPOA_TRIGGER_RCVD 101 112#define MPOA_RES_REPLY_RCVD 102 113#define INGRESS_PURGE_RCVD 103 114#define EGRESS_PURGE_RCVD 104 115#define MPS_DEATH 105 116#define CACHE_IMPOS_RCVD 106 117#define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ 118#define SET_MPS_MAC_ADDR 108 119#define CLEAN_UP_AND_EXIT 109 120#define SET_MPC_PARAMS 110 /* MPC configuration parameters */ 121 122/* Message types - bidirectional */ 123 124#define RELOAD 301 /* kill -HUP the daemon for reload */ 125 126#endif /* _ATMMPC_H_ */ 127