dpauxmon_user.h

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#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