/* SPDX-License-Identifier: GPL-2.0+ */ /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ #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_ */