^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef MPOA_CACHES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define MPOA_CACHES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/time64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/atm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/atmdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/atmmpc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct mpoa_client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) void atm_mpoa_init_cache(struct mpoa_client *mpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) typedef struct in_cache_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct in_cache_entry *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct in_cache_entry *prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) time64_t time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) time64_t reply_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) time64_t hold_down;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) uint32_t packets_fwded;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) uint16_t entry_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) uint32_t retry_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) uint32_t refresh_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) uint32_t count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct atm_vcc *shortcut;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct in_ctrl_info ctrl_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) refcount_t use;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) } in_cache_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct in_cache_ops{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) in_cache_entry *(*add_entry)(__be32 dst_ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) in_cache_entry *(*get)(__be32 dst_ip, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) in_cache_entry *(*get_with_mask)(__be32 dst_ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct mpoa_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) __be32 mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) in_cache_entry *(*get_by_vcc)(struct atm_vcc *vcc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) void (*put)(in_cache_entry *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) void (*remove_entry)(in_cache_entry *delEntry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct mpoa_client *client );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int (*cache_hit)(in_cache_entry *entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) void (*clear_count)(struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void (*check_resolving)(struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) void (*refresh)(struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) void (*destroy_cache)(struct mpoa_client *mpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) typedef struct eg_cache_entry{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct eg_cache_entry *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct eg_cache_entry *prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) time64_t time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) uint8_t MPS_ctrl_ATM_addr[ATM_ESA_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct atm_vcc *shortcut;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) uint32_t packets_rcvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) uint16_t entry_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) __be32 latest_ip_addr; /* The src IP address of the last packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct eg_ctrl_info ctrl_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) refcount_t use;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) } eg_cache_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct eg_cache_ops{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) eg_cache_entry *(*add_entry)(struct k_message *msg, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) eg_cache_entry *(*get_by_cache_id)(__be32 cache_id, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) eg_cache_entry *(*get_by_tag)(__be32 cache_id, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) eg_cache_entry *(*get_by_vcc)(struct atm_vcc *vcc, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) eg_cache_entry *(*get_by_src_ip)(__be32 ipaddr, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void (*put)(eg_cache_entry *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) void (*remove_entry)(eg_cache_entry *entry, struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) void (*update)(eg_cache_entry *entry, uint16_t holding_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) void (*clear_expired)(struct mpoa_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) void (*destroy_cache)(struct mpoa_client *mpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) /* Ingress cache entry states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define INGRESS_REFRESHING 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define INGRESS_RESOLVED 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define INGRESS_RESOLVING 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define INGRESS_INVALID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* VCC states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define OPEN 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define CLOSED 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* Egress cache entry states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define EGRESS_RESOLVED 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define EGRESS_PURGE 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define EGRESS_INVALID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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