30d492da73
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
126 lines
4.1 KiB
C
126 lines
4.1 KiB
C
#ifndef _ATMMPC_H_
|
|
#define _ATMMPC_H_
|
|
|
|
#include <linux/atmapi.h>
|
|
#include <linux/atmioc.h>
|
|
#include <linux/atm.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 {
|
|
uint8_t Last_NHRP_CIE_code;
|
|
uint8_t Last_Q2931_cause_value;
|
|
uint8_t eg_MPC_ATM_addr[ATM_ESA_LEN];
|
|
__be32 tag;
|
|
__be32 in_dst_ip; /* IP address this ingress MPC sends packets to */
|
|
uint16_t holding_time;
|
|
uint32_t request_id;
|
|
} in_ctrl_info;
|
|
|
|
typedef struct eg_ctrl_info {
|
|
uint8_t DLL_header[256];
|
|
uint8_t DH_length;
|
|
__be32 cache_id;
|
|
__be32 tag;
|
|
__be32 mps_ip;
|
|
__be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */
|
|
uint8_t in_MPC_data_ATM_addr[ATM_ESA_LEN];
|
|
uint16_t holding_time;
|
|
} eg_ctrl_info;
|
|
|
|
struct mpc_parameters {
|
|
uint16_t mpc_p1; /* Shortcut-Setup Frame Count */
|
|
uint16_t mpc_p2; /* Shortcut-Setup Frame Time */
|
|
uint8_t mpc_p3[8]; /* Flow-detection Protocols */
|
|
uint16_t mpc_p4; /* MPC Initial Retry Time */
|
|
uint16_t mpc_p5; /* MPC Retry Time Maximum */
|
|
uint16_t mpc_p6; /* Hold Down Time */
|
|
} ;
|
|
|
|
struct k_message {
|
|
uint16_t type;
|
|
__be32 ip_mask;
|
|
uint8_t 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 */
|
|
uint8_t dsap; /* Destination Service Access Point (0xAA) */
|
|
uint8_t ssap; /* Source Service Access Point (0xAA) */
|
|
uint8_t ui; /* Unnumbered Information (0x03) */
|
|
uint8_t org[3]; /* Organizational identification (0x000000) */
|
|
uint8_t 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_ */
|