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 14 struct atmmpc_ioc { 15 int dev_num; 16 __be32 ipaddr; /* the IP address of the shortcut */ 17 int type; /* ingress or egress */ 18 }; 19 20 typedef 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 __be32 tag; 25 __be32 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 30 typedef struct eg_ctrl_info { 31 uint8_t DLL_header[256]; 32 uint8_t DH_length; 33 __be32 cache_id; 34 __be32 tag; 35 __be32 mps_ip; 36 __be32 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 41 struct 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 50 struct k_message { 51 uint16_t type; 52 __be32 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 62 struct 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
