97 lines
3.0 KiB
C
Executable File
97 lines
3.0 KiB
C
Executable File
#ifndef MPOA_CACHES_H
|
|
#define MPOA_CACHES_H
|
|
|
|
#include <linux/netdevice.h>
|
|
#include <linux/types.h>
|
|
#include <linux/atm.h>
|
|
#include <linux/atmdev.h>
|
|
#include <linux/atmmpc.h>
|
|
|
|
struct mpoa_client;
|
|
|
|
void atm_mpoa_init_cache(struct mpoa_client *mpc);
|
|
|
|
typedef struct in_cache_entry {
|
|
struct in_cache_entry *next;
|
|
struct in_cache_entry *prev;
|
|
struct timeval tv;
|
|
struct timeval reply_wait;
|
|
struct timeval hold_down;
|
|
uint32_t packets_fwded;
|
|
uint16_t entry_state;
|
|
uint32_t retry_time;
|
|
uint32_t refresh_time;
|
|
uint32_t count;
|
|
struct atm_vcc *shortcut;
|
|
uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN];
|
|
struct in_ctrl_info ctrl_info;
|
|
atomic_t use;
|
|
} in_cache_entry;
|
|
|
|
struct in_cache_ops{
|
|
in_cache_entry *(*add_entry)(__be32 dst_ip,
|
|
struct mpoa_client *client);
|
|
in_cache_entry *(*get)(__be32 dst_ip, struct mpoa_client *client);
|
|
in_cache_entry *(*get_with_mask)(__be32 dst_ip,
|
|
struct mpoa_client *client,
|
|
__be32 mask);
|
|
in_cache_entry *(*get_by_vcc)(struct atm_vcc *vcc,
|
|
struct mpoa_client *client);
|
|
void (*put)(in_cache_entry *entry);
|
|
void (*remove_entry)(in_cache_entry *delEntry,
|
|
struct mpoa_client *client );
|
|
int (*cache_hit)(in_cache_entry *entry,
|
|
struct mpoa_client *client);
|
|
void (*clear_count)(struct mpoa_client *client);
|
|
void (*check_resolving)(struct mpoa_client *client);
|
|
void (*refresh)(struct mpoa_client *client);
|
|
void (*destroy_cache)(struct mpoa_client *mpc);
|
|
};
|
|
|
|
typedef struct eg_cache_entry{
|
|
struct eg_cache_entry *next;
|
|
struct eg_cache_entry *prev;
|
|
struct timeval tv;
|
|
uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN];
|
|
struct atm_vcc *shortcut;
|
|
uint32_t packets_rcvd;
|
|
uint16_t entry_state;
|
|
__be32 latest_ip_addr; /* The src IP address of the last packet */
|
|
struct eg_ctrl_info ctrl_info;
|
|
atomic_t use;
|
|
} eg_cache_entry;
|
|
|
|
struct eg_cache_ops{
|
|
eg_cache_entry *(*add_entry)(struct k_message *msg, struct mpoa_client *client);
|
|
eg_cache_entry *(*get_by_cache_id)(__be32 cache_id, struct mpoa_client *client);
|
|
eg_cache_entry *(*get_by_tag)(__be32 cache_id, struct mpoa_client *client);
|
|
eg_cache_entry *(*get_by_vcc)(struct atm_vcc *vcc, struct mpoa_client *client);
|
|
eg_cache_entry *(*get_by_src_ip)(__be32 ipaddr, struct mpoa_client *client);
|
|
void (*put)(eg_cache_entry *entry);
|
|
void (*remove_entry)(eg_cache_entry *entry, struct mpoa_client *client);
|
|
void (*update)(eg_cache_entry *entry, uint16_t holding_time);
|
|
void (*clear_expired)(struct mpoa_client *client);
|
|
void (*destroy_cache)(struct mpoa_client *mpc);
|
|
};
|
|
|
|
|
|
/* Ingress cache entry states */
|
|
|
|
#define INGRESS_REFRESHING 3
|
|
#define INGRESS_RESOLVED 2
|
|
#define INGRESS_RESOLVING 1
|
|
#define INGRESS_INVALID 0
|
|
|
|
/* VCC states */
|
|
|
|
#define OPEN 1
|
|
#define CLOSED 0
|
|
|
|
/* Egress cache entry states */
|
|
|
|
#define EGRESS_RESOLVED 2
|
|
#define EGRESS_PURGE 1
|
|
#define EGRESS_INVALID 0
|
|
|
|
#endif
|