Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/extcap/dpauxmon_user.h b/extcap/dpauxmon_user.h
new file mode 100644
index 0000000..645e4b8
--- /dev/null
+++ b/extcap/dpauxmon_user.h
@@ -0,0 +1,59 @@
+/** @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