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1/* SPDX-License-Identifier: GPL-2.0+ */2/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */3 4#ifndef _QTN_FMAC_TRANS_H_5#define _QTN_FMAC_TRANS_H_6 7#include <linux/kernel.h>8#include <linux/module.h>9#include <linux/skbuff.h>10#include <linux/mutex.h>11 12#include "qlink.h"13 14#define QTNF_CMD_FLAG_RESP_REQ BIT(0)15 16#define QTNF_MAX_CMD_BUF_SIZE 204817#define QTNF_DEF_CMD_HROOM 418 19struct qtnf_bus;20 21struct qtnf_cmd_ctl_node {22 struct completion cmd_resp_completion;23 struct sk_buff *resp_skb;24 u16 seq_num;25 bool waiting_for_resp;26 spinlock_t resp_lock; /* lock for resp_skb & waiting_for_resp changes */27};28 29struct qtnf_qlink_transport {30 struct qtnf_cmd_ctl_node curr_cmd;31 struct sk_buff_head event_queue;32 size_t event_queue_max_len;33};34 35void qtnf_trans_init(struct qtnf_bus *bus);36void qtnf_trans_free(struct qtnf_bus *bus);37 38int qtnf_trans_send_next_cmd(struct qtnf_bus *bus);39int qtnf_trans_handle_rx_ctl_packet(struct qtnf_bus *bus, struct sk_buff *skb);40int qtnf_trans_send_cmd_with_resp(struct qtnf_bus *bus,41 struct sk_buff *cmd_skb,42 struct sk_buff **response_skb);43 44#endif /* _QTN_FMAC_TRANS_H_ */45