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 15 struct atmmpc_ioc { 16 int dev_num; 17 __be32 ipaddr; /* the IP address of the shortcut */ 18 int type; /* ingress or egress */ 19 }; 20 21 typedef 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 31 typedef 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 42 struct 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 51 struct 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 63 struct 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
