| 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 2048 |
|---|
| 17 | #define QTNF_DEF_CMD_HROOM 4 |
|---|
| 18 | |
|---|
| 19 | struct qtnf_bus; |
|---|
| 20 | |
|---|
| 21 | struct 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 | |
|---|
| 29 | struct 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 | |
|---|
| 35 | void qtnf_trans_init(struct qtnf_bus *bus); |
|---|
| 36 | void qtnf_trans_free(struct qtnf_bus *bus); |
|---|
| 37 | |
|---|
| 38 | int qtnf_trans_send_next_cmd(struct qtnf_bus *bus); |
|---|
| 39 | int qtnf_trans_handle_rx_ctl_packet(struct qtnf_bus *bus, struct sk_buff *skb); |
|---|
| 40 | int 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 | |
|---|
