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1da177e4 LT |
1 | #ifndef _ATMMPC_H_ |
2 | #define _ATMMPC_H_ | |
3 | ||
4 | #include <linux/atmapi.h> | |
5 | #include <linux/atmioc.h> | |
6 | #include <linux/atm.h> | |
9adfbfb6 | 7 | #include <linux/types.h> |
1da177e4 LT |
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; | |
30d492da | 17 | __be32 ipaddr; /* the IP address of the shortcut */ |
1da177e4 LT |
18 | int type; /* ingress or egress */ |
19 | }; | |
20 | ||
21 | typedef struct in_ctrl_info { | |
9adfbfb6 AB |
22 | __u8 Last_NHRP_CIE_code; |
23 | __u8 Last_Q2931_cause_value; | |
24 | __u8 eg_MPC_ATM_addr[ATM_ESA_LEN]; | |
30d492da AV |
25 | __be32 tag; |
26 | __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */ | |
9adfbfb6 AB |
27 | __u16 holding_time; |
28 | __u32 request_id; | |
1da177e4 LT |
29 | } in_ctrl_info; |
30 | ||
31 | typedef struct eg_ctrl_info { | |
9adfbfb6 AB |
32 | __u8 DLL_header[256]; |
33 | __u8 DH_length; | |
30d492da AV |
34 | __be32 cache_id; |
35 | __be32 tag; | |
36 | __be32 mps_ip; | |
37 | __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */ | |
9adfbfb6 AB |
38 | __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN]; |
39 | __u16 holding_time; | |
1da177e4 LT |
40 | } eg_ctrl_info; |
41 | ||
42 | struct mpc_parameters { | |
9adfbfb6 AB |
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 */ | |
1da177e4 LT |
49 | } ; |
50 | ||
51 | struct k_message { | |
9adfbfb6 | 52 | __u16 type; |
30d492da | 53 | __be32 ip_mask; |
9adfbfb6 | 54 | __u8 MPS_ctrl[ATM_ESA_LEN]; |
1da177e4 LT |
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 */ | |
9adfbfb6 AB |
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) */ | |
1da177e4 LT |
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_ */ |