/*
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* Copyright (c) 2015-2016 Quantenna Communications, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _QTN_FMAC_TRANS_H_
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#define _QTN_FMAC_TRANS_H_
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/skbuff.h>
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#include <linux/mutex.h>
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#include "qlink.h"
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#define QTNF_CMD_FLAG_RESP_REQ BIT(0)
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#define QTNF_MAX_CMD_BUF_SIZE 2048
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#define QTNF_DEF_CMD_HROOM 4
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struct qtnf_bus;
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struct qtnf_cmd_ctl_node {
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struct completion cmd_resp_completion;
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struct sk_buff *resp_skb;
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u16 seq_num;
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bool waiting_for_resp;
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spinlock_t resp_lock; /* lock for resp_skb & waiting_for_resp changes */
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};
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struct qtnf_qlink_transport {
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struct qtnf_cmd_ctl_node curr_cmd;
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struct sk_buff_head event_queue;
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size_t event_queue_max_len;
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};
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void qtnf_trans_init(struct qtnf_bus *bus);
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void qtnf_trans_free(struct qtnf_bus *bus);
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int qtnf_trans_send_next_cmd(struct qtnf_bus *bus);
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int qtnf_trans_handle_rx_ctl_packet(struct qtnf_bus *bus, struct sk_buff *skb);
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int qtnf_trans_send_cmd_with_resp(struct qtnf_bus *bus,
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struct sk_buff *cmd_skb,
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struct sk_buff **response_skb);
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#endif /* _QTN_FMAC_TRANS_H_ */
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