Update usage guidelines for UNKNOWN
Bugs: b/380947212,
Test: N/A
Flag: DOCS_ONLY
Change-Id: I48c1ce95a0395a9a8ee802fe39ffa9fee373de75
diff --git a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
index 451eaa9..5825395 100644
--- a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
+++ b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
@@ -88,8 +88,12 @@
ENCR_AES_CBC = 100,
AUTH_HMAC_SHA2_256_128 = 101,
- /** Unknown */
+ /** Misc placeholders */
+ // Unknown is now reserved for cases involving DRBs where an integrity algorithm
+ // is not assigned (which is different from a null algorithm being used) but a
+ // notification based solely on the integrity algorithm should not be triggered.
UNKNOWN = 113,
+ // Currently unused
OTHER = 114,
/** For proprietary algorithms */