| /* 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_ */ |
