| [2] | 1 | #ifndef _ATMMPC_H_ |
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| 2 | #define _ATMMPC_H_ |
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| 3 | |
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| 4 | #include <linux/atmapi.h> |
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| 5 | #include <linux/atmioc.h> |
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| 6 | #include <linux/atm.h> |
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| 7 | |
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| 8 | #define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) |
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| 9 | #define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) |
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| 10 | |
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| 11 | #define MPC_SOCKET_INGRESS 1 |
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| 12 | #define MPC_SOCKET_EGRESS 2 |
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| 13 | |
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| 14 | struct atmmpc_ioc { |
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| 15 | int dev_num; |
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| 16 | uint32_t ipaddr; /* the IP address of the shortcut */ |
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| 17 | int type; /* ingress or egress */ |
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| 18 | }; |
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| 19 | |
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| 20 | typedef struct in_ctrl_info { |
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| 21 | uint8_t Last_NHRP_CIE_code; |
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| 22 | uint8_t Last_Q2931_cause_value; |
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| 23 | uint8_t eg_MPC_ATM_addr[ATM_ESA_LEN]; |
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| 24 | uint32_t tag; |
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| 25 | uint32_t in_dst_ip; /* IP address this ingress MPC sends packets to */ |
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| 26 | uint16_t holding_time; |
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| 27 | uint32_t request_id; |
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| 28 | } in_ctrl_info; |
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| 29 | |
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| 30 | typedef struct eg_ctrl_info { |
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| 31 | uint8_t DLL_header[256]; |
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| 32 | uint8_t DH_length; |
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| 33 | uint32_t cache_id; |
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| 34 | uint32_t tag; |
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| 35 | uint32_t mps_ip; |
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| 36 | uint32_t eg_dst_ip; /* IP address to which ingress MPC sends packets */ |
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| 37 | uint8_t in_MPC_data_ATM_addr[ATM_ESA_LEN]; |
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| 38 | uint16_t holding_time; |
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| 39 | } eg_ctrl_info; |
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| 40 | |
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| 41 | struct mpc_parameters { |
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| 42 | uint16_t mpc_p1; /* Shortcut-Setup Frame Count */ |
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| 43 | uint16_t mpc_p2; /* Shortcut-Setup Frame Time */ |
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| 44 | uint8_t mpc_p3[8]; /* Flow-detection Protocols */ |
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| 45 | uint16_t mpc_p4; /* MPC Initial Retry Time */ |
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| 46 | uint16_t mpc_p5; /* MPC Retry Time Maximum */ |
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| 47 | uint16_t mpc_p6; /* Hold Down Time */ |
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| 48 | } ; |
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| 49 | |
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| 50 | struct k_message { |
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| 51 | uint16_t type; |
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| 52 | uint32_t ip_mask; |
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| 53 | uint8_t MPS_ctrl[ATM_ESA_LEN]; |
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| 54 | union { |
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| 55 | in_ctrl_info in_info; |
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| 56 | eg_ctrl_info eg_info; |
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| 57 | struct mpc_parameters params; |
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| 58 | } content; |
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| 59 | struct atm_qos qos; |
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| 60 | } __ATM_API_ALIGN; |
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| 61 | |
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| 62 | struct llc_snap_hdr { |
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| 63 | /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ |
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| 64 | uint8_t dsap; /* Destination Service Access Point (0xAA) */ |
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| 65 | uint8_t ssap; /* Source Service Access Point (0xAA) */ |
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| 66 | uint8_t ui; /* Unnumbered Information (0x03) */ |
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| 67 | uint8_t org[3]; /* Organizational identification (0x000000) */ |
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| 68 | uint8_t type[2]; /* Ether type (for IP) (0x0800) */ |
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| 69 | }; |
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| 70 | |
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| 71 | /* TLVs this MPC recognizes */ |
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| 72 | #define TLV_MPOA_DEVICE_TYPE 0x00a03e2a |
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| 73 | |
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| 74 | /* MPOA device types in MPOA Device Type TLV */ |
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| 75 | #define NON_MPOA 0 |
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| 76 | #define MPS 1 |
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| 77 | #define MPC 2 |
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| 78 | #define MPS_AND_MPC 3 |
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| 79 | |
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| 80 | |
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| 81 | /* MPC parameter defaults */ |
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| 82 | |
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| 83 | #define MPC_P1 10 /* Shortcut-Setup Frame Count */ |
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| 84 | #define MPC_P2 1 /* Shortcut-Setup Frame Time */ |
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| 85 | #define MPC_P3 0 /* Flow-detection Protocols */ |
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| 86 | #define MPC_P4 5 /* MPC Initial Retry Time */ |
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| 87 | #define MPC_P5 40 /* MPC Retry Time Maximum */ |
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| 88 | #define MPC_P6 160 /* Hold Down Time */ |
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| 89 | #define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ |
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| 90 | |
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| 91 | /* MPC constants */ |
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| 92 | |
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| 93 | #define MPC_C1 2 /* Retry Time Multiplier */ |
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| 94 | #define MPC_C2 60 /* Initial Keep-Alive Lifetime */ |
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| 95 | |
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| 96 | /* Message types - to MPOA daemon */ |
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| 97 | |
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| 98 | #define SND_MPOA_RES_RQST 201 |
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| 99 | #define SET_MPS_CTRL_ADDR 202 |
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| 100 | #define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ |
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| 101 | #define STOP_KEEP_ALIVE_SM 204 |
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| 102 | #define EGRESS_ENTRY_REMOVED 205 |
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| 103 | #define SND_EGRESS_PURGE 206 |
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| 104 | #define DIE 207 /* tell the daemon to exit() */ |
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| 105 | #define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ |
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| 106 | #define OPEN_INGRESS_SVC 209 |
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| 107 | |
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| 108 | /* Message types - from MPOA daemon */ |
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| 109 | |
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| 110 | #define MPOA_TRIGGER_RCVD 101 |
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| 111 | #define MPOA_RES_REPLY_RCVD 102 |
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| 112 | #define INGRESS_PURGE_RCVD 103 |
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| 113 | #define EGRESS_PURGE_RCVD 104 |
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| 114 | #define MPS_DEATH 105 |
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| 115 | #define CACHE_IMPOS_RCVD 106 |
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| 116 | #define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ |
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| 117 | #define SET_MPS_MAC_ADDR 108 |
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| 118 | #define CLEAN_UP_AND_EXIT 109 |
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| 119 | #define SET_MPC_PARAMS 110 /* MPC configuration parameters */ |
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| 120 | |
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| 121 | /* Message types - bidirectional */ |
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| 122 | |
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| 123 | #define RELOAD 301 /* kill -HUP the daemon for reload */ |
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| 124 | |
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| 125 | #endif /* _ATMMPC_H_ */ |
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