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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ATMMPC_H_
2#define _ATMMPC_H_
3
4#include <linux/atmapi.h>
5#include <linux/atmioc.h>
6#include <linux/atm.h>
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +01007#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07008
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
15struct atmmpc_ioc {
16 int dev_num;
Al Viro30d492d2006-11-14 21:11:29 -080017 __be32 ipaddr; /* the IP address of the shortcut */
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 int type; /* ingress or egress */
19};
20
21typedef struct in_ctrl_info {
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010022 __u8 Last_NHRP_CIE_code;
23 __u8 Last_Q2931_cause_value;
24 __u8 eg_MPC_ATM_addr[ATM_ESA_LEN];
Al Viro30d492d2006-11-14 21:11:29 -080025 __be32 tag;
26 __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010027 __u16 holding_time;
28 __u32 request_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -070029} in_ctrl_info;
30
31typedef struct eg_ctrl_info {
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010032 __u8 DLL_header[256];
33 __u8 DH_length;
Al Viro30d492d2006-11-14 21:11:29 -080034 __be32 cache_id;
35 __be32 tag;
36 __be32 mps_ip;
37 __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010038 __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN];
39 __u16 holding_time;
Linus Torvalds1da177e2005-04-16 15:20:36 -070040} eg_ctrl_info;
41
42struct mpc_parameters {
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010043 __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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049} ;
50
51struct k_message {
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010052 __u16 type;
Al Viro30d492d2006-11-14 21:11:29 -080053 __be32 ip_mask;
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010054 __u8 MPS_ctrl[ATM_ESA_LEN];
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 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
63struct llc_snap_hdr {
64 /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */
Arnd Bergmann9adfbfb2009-02-26 00:51:40 +010065 __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) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070070};
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_ */