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