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 8#define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) 9#define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) 10 11#define MPC_SOCKET_INGRESS 1 12#define MPC_SOCKET_EGRESS 2 13 14struct atmmpc_ioc { 15 int dev_num; 16 uint32_t ipaddr; /* the IP address of the shortcut */ 17 int type; /* ingress or egress */ 18}; 19 20typedef struct in_ctrl_info { 21 uint8_t Last_NHRP_CIE_code; 22 uint8_t Last_Q2931_cause_value; 23 uint8_t eg_MPC_ATM_addr[ATM_ESA_LEN]; 24 uint32_t tag; 25 uint32_t in_dst_ip; /* IP address this ingress MPC sends packets to */ 26 uint16_t holding_time; 27 uint32_t request_id; 28} in_ctrl_info; 29 30typedef struct eg_ctrl_info { 31 uint8_t DLL_header[256]; 32 uint8_t DH_length; 33 uint32_t cache_id; 34 uint32_t tag; 35 uint32_t mps_ip; 36 uint32_t eg_dst_ip; /* IP address to which ingress MPC sends packets */ 37 uint8_t in_MPC_data_ATM_addr[ATM_ESA_LEN]; 38 uint16_t holding_time; 39} eg_ctrl_info; 40 41struct mpc_parameters { 42 uint16_t mpc_p1; /* Shortcut-Setup Frame Count */ 43 uint16_t mpc_p2; /* Shortcut-Setup Frame Time */ 44 uint8_t mpc_p3[8]; /* Flow-detection Protocols */ 45 uint16_t mpc_p4; /* MPC Initial Retry Time */ 46 uint16_t mpc_p5; /* MPC Retry Time Maximum */ 47 uint16_t mpc_p6; /* Hold Down Time */ 48} ; 49 50struct k_message { 51 uint16_t type; 52 uint32_t ip_mask; 53 uint8_t MPS_ctrl[ATM_ESA_LEN]; 54 union { 55 in_ctrl_info in_info; 56 eg_ctrl_info eg_info; 57 struct mpc_parameters params; 58 } content; 59 struct atm_qos qos; 60} __ATM_API_ALIGN; 61 62struct llc_snap_hdr { 63 /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ 64 uint8_t dsap; /* Destination Service Access Point (0xAA) */ 65 uint8_t ssap; /* Source Service Access Point (0xAA) */ 66 uint8_t ui; /* Unnumbered Information (0x03) */ 67 uint8_t org[3]; /* Organizational identification (0x000000) */ 68 uint8_t type[2]; /* Ether type (for IP) (0x0800) */ 69}; 70 71/* TLVs this MPC recognizes */ 72#define TLV_MPOA_DEVICE_TYPE 0x00a03e2a 73 74/* MPOA device types in MPOA Device Type TLV */ 75#define NON_MPOA 0 76#define MPS 1 77#define MPC 2 78#define MPS_AND_MPC 3 79 80 81/* MPC parameter defaults */ 82 83#define MPC_P1 10 /* Shortcut-Setup Frame Count */ 84#define MPC_P2 1 /* Shortcut-Setup Frame Time */ 85#define MPC_P3 0 /* Flow-detection Protocols */ 86#define MPC_P4 5 /* MPC Initial Retry Time */ 87#define MPC_P5 40 /* MPC Retry Time Maximum */ 88#define MPC_P6 160 /* Hold Down Time */ 89#define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ 90 91/* MPC constants */ 92 93#define MPC_C1 2 /* Retry Time Multiplier */ 94#define MPC_C2 60 /* Initial Keep-Alive Lifetime */ 95 96/* Message types - to MPOA daemon */ 97 98#define SND_MPOA_RES_RQST 201 99#define SET_MPS_CTRL_ADDR 202 100#define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ 101#define STOP_KEEP_ALIVE_SM 204 102#define EGRESS_ENTRY_REMOVED 205 103#define SND_EGRESS_PURGE 206 104#define DIE 207 /* tell the daemon to exit() */ 105#define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ 106#define OPEN_INGRESS_SVC 209 107 108/* Message types - from MPOA daemon */ 109 110#define MPOA_TRIGGER_RCVD 101 111#define MPOA_RES_REPLY_RCVD 102 112#define INGRESS_PURGE_RCVD 103 113#define EGRESS_PURGE_RCVD 104 114#define MPS_DEATH 105 115#define CACHE_IMPOS_RCVD 106 116#define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ 117#define SET_MPS_MAC_ADDR 108 118#define CLEAN_UP_AND_EXIT 109 119#define SET_MPC_PARAMS 110 /* MPC configuration parameters */ 120 121/* Message types - bidirectional */ 122 123#define RELOAD 301 /* kill -HUP the daemon for reload */ 124 125#endif /* _ATMMPC_H_ */ 126