diff options
Diffstat (limited to 'net/tipc/bearer.h')
| -rw-r--r-- | net/tipc/bearer.h | 73 |
1 files changed, 32 insertions, 41 deletions
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h index 85f451d..31d6172 100644 --- a/net/tipc/bearer.h +++ b/net/tipc/bearer.h @@ -2,7 +2,7 @@ * net/tipc/bearer.h: Include file for TIPC bearer code * * Copyright (c) 1996-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems + * Copyright (c) 2005, 2010-2011, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -61,26 +61,7 @@ struct tipc_media_addr { } dev_addr; }; -/** - * struct tipc_bearer - TIPC bearer info available to media code - * @usr_handle: pointer to additional media-specific information about bearer - * @mtu: max packet size bearer can support - * @blocked: non-zero if bearer is blocked - * @lock: spinlock for controlling access to bearer - * @addr: media-specific address associated with bearer - * @name: bearer name (format = media:interface) - * - * Note: TIPC initializes "name" and "lock" fields; media code is responsible - * for initialization all other fields when a bearer is enabled. - */ -struct tipc_bearer { - void *usr_handle; - u32 mtu; - int blocked; - spinlock_t lock; - struct tipc_media_addr addr; - char name[TIPC_MAX_BEARER_NAME]; -}; +struct tipc_bearer; /** * struct media - TIPC media information available to internal users @@ -89,7 +70,6 @@ struct tipc_bearer { * @disable_bearer: routine which disables a bearer * @addr2str: routine which converts bearer's address to string form * @bcast_addr: media address used in broadcasting - * @bcast: non-zero if media supports broadcasting [currently mandatory] * @priority: default link (and bearer) priority * @tolerance: default time (in ms) before declaring link failure * @window: default window (in packets) before declaring link congestion @@ -106,7 +86,6 @@ struct media { char *(*addr2str)(struct tipc_media_addr *a, char *str_buf, int str_size); struct tipc_media_addr bcast_addr; - int bcast; u32 priority; u32 tolerance; u32 window; @@ -115,11 +94,15 @@ struct media { }; /** - * struct bearer - TIPC bearer information available to internal users - * @publ: bearer information available to privileged users + * struct tipc_bearer - TIPC bearer structure + * @usr_handle: pointer to additional media-specific information about bearer + * @mtu: max packet size bearer can support + * @blocked: non-zero if bearer is blocked + * @lock: spinlock for controlling access to bearer + * @addr: media-specific address associated with bearer + * @name: bearer name (format = media:interface) * @media: ptr to media structure associated with bearer * @priority: default link priority for bearer - * @detect_scope: network address mask used during automatic link creation * @identity: array index of this bearer within TIPC bearer array * @link_req: ptr to (optional) structure making periodic link setup requests * @links: list of non-congested links associated with bearer @@ -128,13 +111,20 @@ struct media { * @active: non-zero if bearer structure is represents a bearer * @net_plane: network plane ('A' through 'H') currently associated with bearer * @nodes: indicates which nodes in cluster can be reached through bearer + * + * Note: media-specific code is responsible for initialization of the fields + * indicated below when a bearer is enabled; TIPC's generic bearer code takes + * care of initializing all other fields. */ - -struct bearer { - struct tipc_bearer publ; +struct tipc_bearer { + void *usr_handle; /* initalized by media */ + u32 mtu; /* initalized by media */ + int blocked; /* initalized by media */ + struct tipc_media_addr addr; /* initalized by media */ + char name[TIPC_MAX_BEARER_NAME]; + spinlock_t lock; struct media *media; u32 priority; - u32 detect_scope; u32 identity; struct link_req *link_req; struct list_head links; @@ -152,7 +142,7 @@ struct bearer_name { struct link; -extern struct bearer tipc_bearers[]; +extern struct tipc_bearer tipc_bearers[]; /* * TIPC routines available to supported media types @@ -173,7 +163,7 @@ void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr); int tipc_block_bearer(const char *name); void tipc_continue(struct tipc_bearer *tb_ptr); -int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority); +int tipc_enable_bearer(const char *bearer_name, u32 disc_domain, u32 priority); int tipc_disable_bearer(const char *name); /* @@ -186,14 +176,14 @@ void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a); struct sk_buff *tipc_media_get_names(void); struct sk_buff *tipc_bearer_get_names(void); -void tipc_bearer_add_dest(struct bearer *b_ptr, u32 dest); -void tipc_bearer_remove_dest(struct bearer *b_ptr, u32 dest); -void tipc_bearer_schedule(struct bearer *b_ptr, struct link *l_ptr); -struct bearer *tipc_bearer_find_interface(const char *if_name); -int tipc_bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr); -int tipc_bearer_congested(struct bearer *b_ptr, struct link *l_ptr); +void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest); +void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest); +void tipc_bearer_schedule(struct tipc_bearer *b_ptr, struct link *l_ptr); +struct tipc_bearer *tipc_bearer_find_interface(const char *if_name); +int tipc_bearer_resolve_congestion(struct tipc_bearer *b_ptr, struct link *l_ptr); +int tipc_bearer_congested(struct tipc_bearer *b_ptr, struct link *l_ptr); void tipc_bearer_stop(void); -void tipc_bearer_lock_push(struct bearer *b_ptr); +void tipc_bearer_lock_push(struct tipc_bearer *b_ptr); /** @@ -214,10 +204,11 @@ void tipc_bearer_lock_push(struct bearer *b_ptr); * and let TIPC's link code deal with the undelivered message. */ -static inline int tipc_bearer_send(struct bearer *b_ptr, struct sk_buff *buf, +static inline int tipc_bearer_send(struct tipc_bearer *b_ptr, + struct sk_buff *buf, struct tipc_media_addr *dest) { - return !b_ptr->media->send_msg(buf, &b_ptr->publ, dest); + return !b_ptr->media->send_msg(buf, b_ptr, dest); } #endif /* _TIPC_BEARER_H */ |