linux/drivers/net/wireless/quantenna/qtnfmac/shm_ipc_defs.h

34 lines
807 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
#ifndef _QTN_FMAC_SHM_IPC_DEFS_H_
#define _QTN_FMAC_SHM_IPC_DEFS_H_
#include <linux/types.h>
#define QTN_IPC_REG_HDR_SZ (32)
#define QTN_IPC_REG_SZ (4096)
#define QTN_IPC_MAX_DATA_SZ (QTN_IPC_REG_SZ - QTN_IPC_REG_HDR_SZ)
enum qtnf_shm_ipc_region_flags {
QTNF_SHM_IPC_NEW_DATA = BIT(0),
QTNF_SHM_IPC_ACK = BIT(1),
};
struct qtnf_shm_ipc_region_header {
__le32 flags;
__le16 data_len;
} __packed;
union qtnf_shm_ipc_region_headroom {
struct qtnf_shm_ipc_region_header hdr;
u8 headroom[QTN_IPC_REG_HDR_SZ];
} __packed;
struct qtnf_shm_ipc_region {
union qtnf_shm_ipc_region_headroom headroom;
u8 data[QTN_IPC_MAX_DATA_SZ];
} __packed;
#endif /* _QTN_FMAC_SHM_IPC_DEFS_H_ */