driver: Document use of set_key() for BIGTK

Also update the comment to match the current IGTK KeyID range.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index e0cf8d122a2bae4fea8fbf6b94c02d56ec6e84bd..64fc0fd90ff5199f3a2ed708a6504c1945f2a270 100644 (file)
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1565,7 +1565,7 @@ struct wpa_driver_set_key_params {
        /**
         * key_idx - Key index
         *
-        * (0..3), usually 0 for unicast keys; 0..4095 for IGTK */
+        * (0..3), usually 0 for unicast keys; 4..5 for IGTK; 6..7 for BIGTK */
        int key_idx;
 
        /**