| /* 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_ */ |