patch-2.3.15 linux/net/atm/mpoa_caches.h

• Lines: 91
• Date: Mon Aug 23 09:56:32 1999
• Orig file: v2.3.14/linux/net/atm/mpoa_caches.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.14/linux/net/atm/mpoa_caches.h linux/net/atm/mpoa_caches.h
@@ -0,0 +1,90 @@
+#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;
+} in_cache_entry;
+
+struct in_cache_ops{
+        in_cache_entry *(*new_entry)(uint32_t dst_ip,
+				     struct mpoa_client *client);
+        in_cache_entry *(*search)(uint32_t dst_ip, struct mpoa_client *client);
+        in_cache_entry *(*search_with_mask)(uint32_t dst_ip, 
+					    struct mpoa_client *client,
+					    uint32_t mask);
+        in_cache_entry *(*search_by_vcc)(struct atm_vcc *vcc, 
+                                         struct mpoa_client *client);
+        int            (*cache_hit)(in_cache_entry *entry,
+                                    struct mpoa_client *client);
+        int            (*cache_remove)(in_cache_entry *delEntry,
+                                        struct mpoa_client *client );
+        void           (*clear_count)(struct mpoa_client *client);
+        void           (*check_resolving)(struct mpoa_client *client);
+        void           (*refresh)(struct mpoa_client *client);
+};
+
+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;
+        uint32_t             latest_ip_addr;    /* The src IP address of the last packet */
+        struct eg_ctrl_info  ctrl_info;
+} eg_cache_entry;
+
+struct eg_cache_ops{
+        eg_cache_entry *(*new_entry)(struct k_message *msg, struct mpoa_client *client);
+        eg_cache_entry *(*search_by_cache_id)(uint32_t cache_id, struct mpoa_client *client);
+        eg_cache_entry *(*search_by_tag)(uint32_t cache_id, struct mpoa_client *client);
+        eg_cache_entry *(*search_by_vcc)(struct atm_vcc *vcc, struct mpoa_client *client);
+        eg_cache_entry *(*search_by_src_ip)(uint32_t ipaddr, struct mpoa_client *client);
+        int            (*cache_remove)(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);
+};
+
+
+/* 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