linux/fs/ocfs2/cluster/tcp.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * tcp.h
 *
 * Function prototypes
 *
 * Copyright (C) 2004 Oracle.  All rights reserved.
 */

#ifndef O2CLUSTER_TCP_H
#define O2CLUSTER_TCP_H

#include <linux/socket.h>
#ifdef __KERNEL__
#include <net/sock.h>
#include <linux/tcp.h>
#else
#include <sys/socket.h>
#endif
#include <linux/inet.h>
#include <linux/in.h>

struct o2net_msg
{ … };

o2net_msg_handler_func;
o2net_post_msg_handler_func;

#define O2NET_MAX_PAYLOAD_BYTES …

/* same as hb delay, we're waiting for another node to recognize our hb */
#define O2NET_RECONNECT_DELAY_MS_DEFAULT …

#define O2NET_KEEPALIVE_DELAY_MS_DEFAULT …
#define O2NET_IDLE_TIMEOUT_MS_DEFAULT …

#define O2NET_TCP_USER_TIMEOUT …

/* TODO: figure this out.... */
static inline int o2net_link_down(int err, struct socket *sock)
{ … }

enum { … };

int o2net_send_message(u32 msg_type, u32 key, void *data, u32 len,
		       u8 target_node, int *status);
int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *vec,
			   size_t veclen, u8 target_node, int *status);

int o2net_register_handler(u32 msg_type, u32 key, u32 max_len,
			   o2net_msg_handler_func *func, void *data,
			   o2net_post_msg_handler_func *post_func,
			   struct list_head *unreg_list);
void o2net_unregister_handler_list(struct list_head *list);

void o2net_fill_node_map(unsigned long *map, unsigned bytes);

struct o2nm_node;
int o2net_register_hb_callbacks(void);
void o2net_unregister_hb_callbacks(void);
int o2net_start_listening(struct o2nm_node *node);
void o2net_stop_listening(struct o2nm_node *node);
void o2net_disconnect_node(struct o2nm_node *node);
int o2net_num_connected_peers(void);

int o2net_init(void);
void o2net_exit(void);

struct o2net_send_tracking;
struct o2net_sock_container;

#ifdef CONFIG_DEBUG_FS
void o2net_debugfs_init(void);
void o2net_debugfs_exit(void);
void o2net_debug_add_nst(struct o2net_send_tracking *nst);
void o2net_debug_del_nst(struct o2net_send_tracking *nst);
void o2net_debug_add_sc(struct o2net_sock_container *sc);
void o2net_debug_del_sc(struct o2net_sock_container *sc);
#else
static inline void o2net_debugfs_init(void)
{
}
static inline void o2net_debugfs_exit(void)
{
}
static inline void o2net_debug_add_nst(struct o2net_send_tracking *nst)
{
}
static inline void o2net_debug_del_nst(struct o2net_send_tracking *nst)
{
}
static inline void o2net_debug_add_sc(struct o2net_sock_container *sc)
{
}
static inline void o2net_debug_del_sc(struct o2net_sock_container *sc)
{
}
#endif	/* CONFIG_DEBUG_FS */

#endif /* O2CLUSTER_TCP_H */