tipc: Introduce routine to enqueue a chain of messages on link tx queue
Create a helper routine to enqueue a chain of sk_buffs to a link's
transmit queue. It improves readability and the new function is
anticipated to be used more than just once in the future as well.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 4bab139..5ed4b4f 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -843,6 +843,25 @@
l_ptr->stats.max_queue_sz = l_ptr->out_queue_size;
}
+static void link_add_chain_to_outqueue(struct link *l_ptr,
+ struct sk_buff *buf_chain,
+ u32 long_msgno)
+{
+ struct sk_buff *buf;
+ struct tipc_msg *msg;
+
+ if (!l_ptr->next_out)
+ l_ptr->next_out = buf_chain;
+ while (buf_chain) {
+ buf = buf_chain;
+ buf_chain = buf_chain->next;
+
+ msg = buf_msg(buf);
+ msg_set_long_msgno(msg, long_msgno);
+ link_add_to_outqueue(l_ptr, buf, msg);
+ }
+}
+
/*
* tipc_link_send_buf() is the 'full path' for messages, called from
* inside TIPC when the 'fast path' in tipc_send_buf
@@ -1276,25 +1295,12 @@
total_len, TIPC_ERR_NO_NODE);
}
- /* Append whole chain to send queue: */
+ /* Append chain of fragments to send queue & send them */
- buf = buf_chain;
l_ptr->long_msg_seq_no++;
- if (!l_ptr->next_out)
- l_ptr->next_out = buf_chain;
+ link_add_chain_to_outqueue(l_ptr, buf_chain, l_ptr->long_msg_seq_no);
+ l_ptr->stats.sent_fragments += fragm_no;
l_ptr->stats.sent_fragmented++;
- while (buf) {
- struct sk_buff *next = buf->next;
- struct tipc_msg *msg = buf_msg(buf);
-
- l_ptr->stats.sent_fragments++;
- msg_set_long_msgno(msg, l_ptr->long_msg_seq_no);
- link_add_to_outqueue(l_ptr, buf, msg);
- buf = next;
- }
-
- /* Send it, if possible: */
-
tipc_link_push_queue(l_ptr);
tipc_node_unlock(node);
return dsz;