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Merge "Address review comments in aosp/2677976" into main

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This commit is contained in:
Chiachang Wang 2023-08-21 02:34:01 +00:00 • committed by Gerrit Code Review
commit bdbcc0cc30
1 changed files with 16 additions and 5 deletions
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21
staticlibs/device/com/android/net/module/util/FeatureVersions.java
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@ -22,13 +22,24 @@ package com.android.net.module.util;
* @hide
*/
public class FeatureVersions {
public static final long MODULE_MASK = 0xFF00_000000000L;
public static final long VERSION_MASK = 0x0000_FFFFFFFFFL;
public static final long CONNECTIVITY_MODULE_ID = 0x0100_000000000L;
public static final long NETWORK_STACK_MODULE_ID = 0x0200_000000000L;
/**
* This constant is used to do bitwise shift operation to create module ids.
* The module version is composed with 9 digits which is placed in the lower 36 bits.
*/
private static final int MODULE_SHIFT = 36;
/**
* The bitmask to do bitwise-and(i.e. {@code &}) operation to get the module id.
*/
public static final long MODULE_MASK = 0xFF0_0000_0000L;
/**
* The bitmask to do bitwise-and(i.e. {@code &}) operation to get the module version.
*/
public static final long VERSION_MASK = 0x00F_FFFF_FFFFL;
public static final long CONNECTIVITY_MODULE_ID = 0x01L << MODULE_SHIFT;
public static final long NETWORK_STACK_MODULE_ID = 0x02L << MODULE_SHIFT;
// CLAT_ADDRESS_TRANSLATE is a feature of the network stack, which doesn't throw when system
// try to add a NAT-T keepalive packet filter with v6 address, introduced in version
// M-2023-Sept on July 3rd, 2023.
public static final long FEATURE_CLAT_ADDRESS_TRANSLATE =
NETWORK_STACK_MODULE_ID + 340900000L;
NETWORK_STACK_MODULE_ID + 34_09_00_000L;
}