centos man page for enum_set_key_cmd

ENUM 
SET_KEY_CMD(9)					     Advanced driver interface					       ENUM SET_KEY_CMD(9)

NAME
       enum_set_key_cmd - key command

SYNOPSIS
       enum set_key_cmd {
	 SET_KEY,
	 DISABLE_KEY
       };

CONSTANTS
       SET_KEY
	   a key is set

       DISABLE_KEY
	   a key must be disabled

DESCRIPTION
       Used with the set_key callback in struct ieee80211_ops, this indicates whether a key is being removed or added.

AUTHOR
       Johannes Berg <johannes@sipsolutions.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       ENUM SET_KEY_CMD(9)