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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _WMEDIUMD_API_H
#define _WMEDIUMD_API_H
#include <stdint.h>
enum wmediumd_message {
/* invalid message */
WMEDIUMD_MSG_INVALID,
/* ACK, returned for each message for synchronisation */
WMEDIUMD_MSG_ACK,
/*
* Register/unregister for frames, this may be a pure control
* socket which doesn't want to see frames.
*/
WMEDIUMD_MSG_REGISTER,
WMEDIUMD_MSG_UNREGISTER,
/*
* netlink message, the data is the entire netlink message,
* this is used to communicate frame TX/RX in the familiar
* netlink format, to avoid having a special format
*/
WMEDIUMD_MSG_NETLINK,
/* control message, see struct wmediumd_message_control */
WMEDIUMD_MSG_SET_CONTROL,
/*
* Indicates TX start if WMEDIUMD_RX_CTL_NOTIFY_TX_START is set,
* with struct wmediumd_tx_start as the payload.
*/
WMEDIUMD_MSG_TX_START,
/*
* TODO(@jaeman) Get list of currnet nodes.
*/
WMEDIUMD_MSG_GET_NODES,
/*
* Set SNR between two nodes.
*/
WMEDIUMD_MSG_SET_SNR,
/*
* Clear and reload configuration at specified path
*/
WMEDIUMD_MSG_RELOAD_CONFIG,
/*
* Clear and reload configuration loaded before
*/
WMEDIUMD_MSG_RELOAD_CURRENT_CONFIG,
};
struct wmediumd_message_header {
/* type of message - see enum wmediumd_message */
uint32_t type;
/* data length */
uint32_t data_len;
/* variable-length data according to the message type */
uint8_t data[];
};
enum wmediumd_control_flags {
WMEDIUMD_CTL_NOTIFY_TX_START = 1 << 0,
WMEDIUMD_CTL_RX_ALL_FRAMES = 1 << 1,
};
struct wmediumd_message_control {
uint32_t flags;
/*
* For compatibility, wmediumd is meant to understand shorter
* (and ignore unknown parts of longer) control messages than
* what's sent to it, so always take care to have defaults as
* zero since that's what it assumes.
*/
};
struct wmediumd_tx_start {
/*
* The cookie is set only when telling the sender, otherwise
* it's set to 0.
*/
uint64_t cookie;
uint32_t freq;
uint32_t reserved[3];
};
#pragma pack(push, 1)
struct wmediumd_set_snr {
/* MAC address of node 1 */
uint8_t node1_mac[6];
/* MAC address of node 2 */
uint8_t node2_mac[6];
/* New SNR between two nodes */
uint8_t snr;
};
#pragma pack(pop)
struct wmediumd_reload_config {
/* path of wmediumd configuration file */
char config_path[0];
};
#endif /* _WMEDIUMD_API_H */
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