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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2026 Morse Micro
*/
#ifndef _MM81X_YAPS_H_
#define _MM81X_YAPS_H_
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include "skbq.h"
#define YAPS_TX_SKBQ_MAX 4
struct mm81x_hif_ops;
extern const struct mm81x_hif_ops mm81x_yaps_ops;
enum mm81x_yaps_to_chip_q {
MM81X_YAPS_TX_Q = 0,
MM81X_YAPS_CMD_Q,
MM81X_YAPS_BEACON_Q,
MM81X_YAPS_MGMT_Q,
/* Keep this last */
MM81X_YAPS_NUM_TC_Q
};
struct mm81x_yaps_pkt {
struct sk_buff *skb;
enum mm81x_yaps_to_chip_q tc_queue;
};
struct mm81x_yaps {
struct mm81x *mors;
struct mm81x_yaps_hw_aux_data *aux_data;
const struct mm81x_yaps_ops *ops;
u8 flags;
struct {
struct mm81x_yaps_pkt *to_chip_pkts;
struct mm81x_yaps_pkt *from_chip_pkts;
} hw;
/* Chip interface is stopping, new work should not be enqueued. */
bool finish;
struct mm81x_skbq data_tx_qs[YAPS_TX_SKBQ_MAX];
struct mm81x_skbq beacon_q;
struct mm81x_skbq mgmt_q;
struct mm81x_skbq data_rx_q;
struct mm81x_skbq cmd_q;
struct mm81x_skbq cmd_resp_q;
struct {
struct timer_list timer;
unsigned long retry_expiry;
bool is_full;
} chip_queue_full;
};
struct mm81x_yaps_ops {
int (*write_pkts)(struct mm81x_yaps *yaps, struct mm81x_yaps_pkt *pkts,
int num_pkts, int *num_pkts_sent);
int (*read_pkts)(struct mm81x_yaps *yaps, struct mm81x_yaps_pkt *pkts,
int num_pkts_max, int *num_pkts_received);
int (*update_status)(struct mm81x_yaps *yaps);
};
int mm81x_yaps_init(struct mm81x *mors);
void mm81x_yaps_show(struct mm81x_yaps *yaps, struct seq_file *file);
void mm81x_yaps_finish(struct mm81x *mors);
void mm81x_yaps_flush_tx_data(struct mm81x *mors);
void mm81x_yaps_flush_cmds(struct mm81x *mors);
void mm81x_yaps_work(struct work_struct *work);
void mm81x_yaps_stale_tx_work(struct work_struct *work);
int mm81x_yaps_get_tx_status_pending_count(struct mm81x *mors);
int mm81x_yaps_get_tx_buffered_count(struct mm81x *mors);
#endif /* !_MM81X_YAPS_H_ */
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