forked from luck/tmp_suning_uos_patched
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>
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@ -843,6 +843,25 @@ static void link_add_to_outqueue(struct link *l_ptr,
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l_ptr->stats.max_queue_sz = l_ptr->out_queue_size;
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}
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static void link_add_chain_to_outqueue(struct link *l_ptr,
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struct sk_buff *buf_chain,
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u32 long_msgno)
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{
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struct sk_buff *buf;
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struct tipc_msg *msg;
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if (!l_ptr->next_out)
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l_ptr->next_out = buf_chain;
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while (buf_chain) {
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buf = buf_chain;
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buf_chain = buf_chain->next;
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msg = buf_msg(buf);
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msg_set_long_msgno(msg, long_msgno);
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link_add_to_outqueue(l_ptr, buf, msg);
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}
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}
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/*
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* tipc_link_send_buf() is the 'full path' for messages, called from
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* inside TIPC when the 'fast path' in tipc_send_buf
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@ -1276,25 +1295,12 @@ static int link_send_sections_long(struct tipc_port *sender,
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total_len, TIPC_ERR_NO_NODE);
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}
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/* Append whole chain to send queue: */
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/* Append chain of fragments to send queue & send them */
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buf = buf_chain;
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l_ptr->long_msg_seq_no++;
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if (!l_ptr->next_out)
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l_ptr->next_out = buf_chain;
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link_add_chain_to_outqueue(l_ptr, buf_chain, l_ptr->long_msg_seq_no);
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l_ptr->stats.sent_fragments += fragm_no;
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l_ptr->stats.sent_fragmented++;
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while (buf) {
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struct sk_buff *next = buf->next;
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struct tipc_msg *msg = buf_msg(buf);
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l_ptr->stats.sent_fragments++;
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msg_set_long_msgno(msg, l_ptr->long_msg_seq_no);
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link_add_to_outqueue(l_ptr, buf, msg);
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buf = next;
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}
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/* Send it, if possible: */
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tipc_link_push_queue(l_ptr);
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tipc_node_unlock(node);
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return dsz;
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