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/** @file
*
* Copyright 2018, Dirk Eibach, Guntermann & Drunck GmbH <dirk.eibach@gdsys.cc>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef DPAUXMON_USER_H_
#define DPAUXMON_USER_H_
#include <linux/types.h>
/*
* Generic Netlink Interface for DisplayPort AUX channel monitoring
*/
/*
* enum dpauxmon_cmd - supported dpauxmon netlink commands
*
* @__DPAUXMON_CMD_UNSPEC: unspecified command to catch errors
*
* @DPAUXMON_CMD_START: start monitoring on %DPAUXMON_ATTR_IFINDEX
* @DPAUXMON_CMD_STOP: stop monitoring on %DPAUXMON_ATTR_IFINDEX
* @DPAUXMON_CMD_DATA: captured data from %DPAUXMON_ATTR_IFINDEX
*/
enum dpauxmon_cmd {
__DPAUXMON_CMD_UNSPEC,
DPAUXMON_CMD_START,
DPAUXMON_CMD_STOP,
DPAUXMON_CMD_DATA,
/* keep last */
__DPAUXMON_CMD_MAX,
DPAUXMON_CMD_MAX = __DPAUXMON_CMD_MAX - 1,
};
/*
* enum dpauxmon_attr - dpauxmon netlink attributes
*
* @__DPAUXMON_ATTR_UNSPEC: unspecified attribute to catch errors
*
* @DPAUXMON_ATTR_IFINDEX: index of dpauxmon unit to operate on
* @DPAUXMON_ATTR_DATA: dpauxmon data payload
* @DPAUXMON_ATTR_FROM_SOURCE: data payload is sent from source
* @DPAUXMON_ATTR_TIMESTAMP: data payload is sent from source
*/
enum dpauxmon_attr {
__DPAUXMON_ATTR_UNSPEC,
DPAUXMON_ATTR_IFINDEX, /* NLA_U32 */
DPAUXMON_ATTR_DATA, /* NLA_BINARY */
DPAUXMON_ATTR_FROM_SOURCE, /* NLA_FLAG */
DPAUXMON_ATTR_TIMESTAMP, /* NLA_MSECS */
/* keep last */
__DPAUXMON_ATTR_AFTER_LAST,
DPAUXMON_ATTR_MAX = __DPAUXMON_ATTR_AFTER_LAST - 1
};
#endif
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