2 * Copyright 2018, Dirk Eibach, Guntermann & Drunck GmbH <dirk.eibach@gdsys.cc>
4 * SPDX-License-Identifier: GPL-2.0-or-later
7 #ifndef DPAUXMON_USER_H_
8 #define DPAUXMON_USER_H_
10 #include <linux/types.h>
13 * Generic Netlink Interface for DisplayPort AUX channel monitoring
17 * enum dpauxmon_cmd - supported dpauxmon netlink commands
19 * @__DPAUXMON_CMD_UNSPEC: unspecified command to catch errors
21 * @DPAUXMON_CMD_START: start monitoring on %DPAUXMON_ATTR_IFINDEX
22 * @DPAUXMON_CMD_STOP: stop monitoring on %DPAUXMON_ATTR_IFINDEX
23 * @DPAUXMON_CMD_DATA: captured data from %DPAUXMON_ATTR_IFINDEX
26 __DPAUXMON_CMD_UNSPEC,
33 DPAUXMON_CMD_MAX = __DPAUXMON_CMD_MAX - 1,
37 * enum dpauxmon_attr - dpauxmon netlink attributes
39 * @__DPAUXMON_ATTR_UNSPEC: unspecified attribute to catch errors
41 * @DPAUXMON_ATTR_IFINDEX: index of dpauxmon unit to operate on
42 * @DPAUXMON_ATTR_DATA: dpauxmon data payload
43 * @DPAUXMON_ATTR_FROM_SOURCE: data payload is sent from source
44 * @DPAUXMON_ATTR_TIMESTAMP: data payload is sent from source
47 __DPAUXMON_ATTR_UNSPEC,
48 DPAUXMON_ATTR_IFINDEX, /* NLA_U32 */
49 DPAUXMON_ATTR_DATA, /* NLA_BINARY */
50 DPAUXMON_ATTR_FROM_SOURCE, /* NLA_FLAG */
51 DPAUXMON_ATTR_TIMESTAMP, /* NLA_MSECS */
54 __DPAUXMON_ATTR_AFTER_LAST,
55 DPAUXMON_ATTR_MAX = __DPAUXMON_ATTR_AFTER_LAST - 1