/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ATMMPC_H_ #define _ATMMPC_H_ #include <linux/atmapi.h> #include <linux/atmioc.h> #include <linux/atm.h> #include <linux/types.h> #define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) #define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) #define MPC_SOCKET_INGRESS 1 #define MPC_SOCKET_EGRESS 2 struct atmmpc_ioc { int dev_num; __be32 ipaddr; /* the IP address of the shortcut */ int type; /* ingress or egress */ }; typedef struct in_ctrl_info { __u8 Last_NHRP_CIE_code; __u8 Last_Q2931_cause_value; __u8 eg_MPC_ATM_addr[ATM_ESA_LEN]; __be32 tag; __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */ __u16 holding_time; __u32 request_id; } in_ctrl_info; typedef struct eg_ctrl_info { __u8 DLL_header[256]; __u8 DH_length; __be32 cache_id; __be32 tag; __be32 mps_ip; __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */ __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN]; __u16 holding_time; } eg_ctrl_info; struct mpc_parameters { __u16 mpc_p1; /* Shortcut-Setup Frame Count */ __u16 mpc_p2; /* Shortcut-Setup Frame Time */ __u8 mpc_p3[8]; /* Flow-detection Protocols */ __u16 mpc_p4; /* MPC Initial Retry Time */ __u16 mpc_p5; /* MPC Retry Time Maximum */ __u16 mpc_p6; /* Hold Down Time */ } ; struct k_message { __u16 type; __be32 ip_mask; __u8 MPS_ctrl[ATM_ESA_LEN]; union { in_ctrl_info in_info; eg_ctrl_info eg_info; struct mpc_parameters params; } content; struct atm_qos qos; } __ATM_API_ALIGN; struct llc_snap_hdr { /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ __u8 dsap; /* Destination Service Access Point (0xAA) */ __u8 ssap; /* Source Service Access Point (0xAA) */ __u8 ui; /* Unnumbered Information (0x03) */ __u8 org[3]; /* Organizational identification (0x000000) */ __u8 type[2]; /* Ether type (for IP) (0x0800) */ }; /* TLVs this MPC recognizes */ #define TLV_MPOA_DEVICE_TYPE 0x00a03e2a /* MPOA device types in MPOA Device Type TLV */ #define NON_MPOA 0 #define MPS 1 #define MPC 2 #define MPS_AND_MPC 3 /* MPC parameter defaults */ #define MPC_P1 10 /* Shortcut-Setup Frame Count */ #define MPC_P2 1 /* Shortcut-Setup Frame Time */ #define MPC_P3 0 /* Flow-detection Protocols */ #define MPC_P4 5 /* MPC Initial Retry Time */ #define MPC_P5 40 /* MPC Retry Time Maximum */ #define MPC_P6 160 /* Hold Down Time */ #define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ /* MPC constants */ #define MPC_C1 2 /* Retry Time Multiplier */ #define MPC_C2 60 /* Initial Keep-Alive Lifetime */ /* Message types - to MPOA daemon */ #define SND_MPOA_RES_RQST 201 #define SET_MPS_CTRL_ADDR 202 #define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ #define STOP_KEEP_ALIVE_SM 204 #define EGRESS_ENTRY_REMOVED 205 #define SND_EGRESS_PURGE 206 #define DIE 207 /* tell the daemon to exit() */ #define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ #define OPEN_INGRESS_SVC 209 /* Message types - from MPOA daemon */ #define MPOA_TRIGGER_RCVD 101 #define MPOA_RES_REPLY_RCVD 102 #define INGRESS_PURGE_RCVD 103 #define EGRESS_PURGE_RCVD 104 #define MPS_DEATH 105 #define CACHE_IMPOS_RCVD 106 #define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ #define SET_MPS_MAC_ADDR 108 #define CLEAN_UP_AND_EXIT 109 #define SET_MPC_PARAMS 110 /* MPC configuration parameters */ /* Message types - bidirectional */ #define RELOAD 301 /* kill -HUP the daemon for reload */ #endif /* _ATMMPC_H_ */