/**
* tipc_bcbearer_send - send a packet through the broadcast pseudo-bearer
*
- * Send through as many bearers as necessary to reach all nodes
- * that support TIPC multicasting.
+ * Send packet over as many bearers as necessary to reach all nodes
+ * that have joined the broadcast link.
*
- * Returns 0 if packet sent successfully, non-zero if not
+ * Returns 0 (packet sent successfully) under all circumstances,
+ * since the broadcast link's pseudo-bearer never blocks
*/
static int tipc_bcbearer_send(struct sk_buff *buf,
{
int bp_index;
- /* Prepare buffer for broadcasting (if first time trying to send it) */
+ /*
+ * Prepare broadcast link message for reliable transmission,
+ * if first time trying to send it;
+ * preparation is skipped for broadcast link protocol messages
+ * since they are sent in an unreliable manner and don't need it
+ */
if (likely(!msg_non_seq(buf_msg(buf)))) {
struct tipc_msg *msg;
}
if (bcbearer->remains_new.count == 0)
- return 0;
+ break; /* all targets reached */
bcbearer->remains = bcbearer->remains_new;
}
- /*
- * Unable to reach all targets (indicate success, since currently
- * there isn't code in place to properly block & unblock the
- * pseudo-bearer used by the broadcast link)
- */
-
- return TIPC_OK;
+ return 0;
}
/**