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-rw-r--r--net/tipc/bearer.h24
1 files changed, 3 insertions, 21 deletions
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index dd4c2abf08e7..39f1192d04bf 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -120,7 +120,6 @@ struct tipc_media {
120 * @identity: array index of this bearer within TIPC bearer array 120 * @identity: array index of this bearer within TIPC bearer array
121 * @link_req: ptr to (optional) structure making periodic link setup requests 121 * @link_req: ptr to (optional) structure making periodic link setup requests
122 * @links: list of non-congested links associated with bearer 122 * @links: list of non-congested links associated with bearer
123 * @cong_links: list of congested links associated with bearer
124 * @active: non-zero if bearer structure is represents a bearer 123 * @active: non-zero if bearer structure is represents a bearer
125 * @net_plane: network plane ('A' through 'H') currently associated with bearer 124 * @net_plane: network plane ('A' through 'H') currently associated with bearer
126 * @nodes: indicates which nodes in cluster can be reached through bearer 125 * @nodes: indicates which nodes in cluster can be reached through bearer
@@ -143,7 +142,6 @@ struct tipc_bearer {
143 u32 identity; 142 u32 identity;
144 struct tipc_link_req *link_req; 143 struct tipc_link_req *link_req;
145 struct list_head links; 144 struct list_head links;
146 struct list_head cong_links;
147 int active; 145 int active;
148 char net_plane; 146 char net_plane;
149 struct tipc_node_map nodes; 147 struct tipc_node_map nodes;
@@ -185,39 +183,23 @@ struct sk_buff *tipc_media_get_names(void);
185struct sk_buff *tipc_bearer_get_names(void); 183struct sk_buff *tipc_bearer_get_names(void);
186void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest); 184void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest);
187void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest); 185void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest);
188void tipc_bearer_schedule(struct tipc_bearer *b_ptr, struct tipc_link *l_ptr);
189struct tipc_bearer *tipc_bearer_find(const char *name); 186struct tipc_bearer *tipc_bearer_find(const char *name);
190struct tipc_bearer *tipc_bearer_find_interface(const char *if_name); 187struct tipc_bearer *tipc_bearer_find_interface(const char *if_name);
191struct tipc_media *tipc_media_find(const char *name); 188struct tipc_media *tipc_media_find(const char *name);
192int tipc_bearer_resolve_congestion(struct tipc_bearer *b_ptr, 189int tipc_bearer_blocked(struct tipc_bearer *b_ptr);
193 struct tipc_link *l_ptr);
194int tipc_bearer_congested(struct tipc_bearer *b_ptr, struct tipc_link *l_ptr);
195void tipc_bearer_stop(void); 190void tipc_bearer_stop(void);
196void tipc_bearer_lock_push(struct tipc_bearer *b_ptr);
197
198 191
199/** 192/**
200 * tipc_bearer_send- sends buffer to destination over bearer 193 * tipc_bearer_send- sends buffer to destination over bearer
201 * 194 *
202 * Returns true (1) if successful, or false (0) if unable to send
203 *
204 * IMPORTANT: 195 * IMPORTANT:
205 * The media send routine must not alter the buffer being passed in 196 * The media send routine must not alter the buffer being passed in
206 * as it may be needed for later retransmission! 197 * as it may be needed for later retransmission!
207 *
208 * If the media send routine returns a non-zero value (indicating that
209 * it was unable to send the buffer), it must:
210 * 1) mark the bearer as blocked,
211 * 2) call tipc_continue() once the bearer is able to send again.
212 * Media types that are unable to meet these two critera must ensure their
213 * send routine always returns success -- even if the buffer was not sent --
214 * and let TIPC's link code deal with the undelivered message.
215 */ 198 */
216static inline int tipc_bearer_send(struct tipc_bearer *b_ptr, 199static inline void tipc_bearer_send(struct tipc_bearer *b, struct sk_buff *buf,
217 struct sk_buff *buf,
218 struct tipc_media_addr *dest) 200 struct tipc_media_addr *dest)
219{ 201{
220 return !b_ptr->media->send_msg(buf, b_ptr, dest); 202 b->media->send_msg(buf, b, dest);
221} 203}
222 204
223#endif /* _TIPC_BEARER_H */ 205#endif /* _TIPC_BEARER_H */