summaryrefslogtreecommitdiffstats
path: root/net/atm/mpoa_caches.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /net/atm/mpoa_caches.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/atm/mpoa_caches.h')
-rw-r--r--net/atm/mpoa_caches.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/net/atm/mpoa_caches.h b/net/atm/mpoa_caches.h
new file mode 100644
index 0000000000..464c4c7f8d
--- /dev/null
+++ b/net/atm/mpoa_caches.h
@@ -0,0 +1,99 @@
+/* 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