forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
3.1 KiB
99 lines
3.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef MPOA_CACHES_H |
|
#define MPOA_CACHES_H |
|
|
|
#include <linux/time64.h> |
|
#include <linux/netdevice.h> |
|
#include <linux/types.h> |
|
#include <linux/atm.h> |
|
#include <linux/atmdev.h> |
|
#include <linux/atmmpc.h> |
|
#include <linux/refcount.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; |
|
time64_t time; |
|
time64_t reply_wait; |
|
time64_t 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; |
|
refcount_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; |
|
time64_t time; |
|
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; |
|
refcount_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
|
|
|