headers: smp_lock.h redux

[safe/jmp/linux-2.6] / net / tipc / core.h

diff --git a/net/tipc/core.h b/net/tipc/core.h
index 0d783bc..a881f92 100644 (file)
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -202,7 +202,7 @@ extern atomic_t tipc_user_count;
 
 extern int  tipc_core_start(void);
 extern void tipc_core_stop(void);
-extern int  tipc_core_start_net(void);
+extern int  tipc_core_start_net(unsigned long addr);
 extern void tipc_core_stop_net(void);
 extern int  tipc_handler_start(void);
 extern void tipc_handler_stop(void);
@@ -303,15 +303,14 @@ static inline void k_term_timer(struct timer_list *timer)
 /*
  * TIPC message buffer code
  *
- * TIPC message buffer headroom reserves space for a link-level header
- * (in case the message is sent off-node),
- * while ensuring TIPC header is word aligned for quicker access
+ * TIPC message buffer headroom reserves space for the worst-case
+ * link-level device header (in case the message is sent off-node).
  *
- * The largest header currently supported is 18 bytes, which is used when
- * the standard 14 byte Ethernet header has 4 added bytes for VLAN info
+ * Note: Headroom should be a multiple of 4 to ensure the TIPC header fields
+ *       are word aligned for quicker access
  */
 
-#define BUF_HEADROOM 20u
+#define BUF_HEADROOM LL_MAX_HEADER
 
 struct tipc_skb_cb {
        void *handle;