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