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adjust for new T bpfloader net_shared location

Browse source 
(this is safe because on pre-T none of these maps and programs are mainlined
 and thus safe to access from mainline code anyway)

Test: TreeHugger, manual
Bug: 218408035
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I23e565d665247f33e084978890a1ee8ffe0fe568
This commit is contained in:
Maciej Żenczykowski 2022-04-21 06:42:17 -07:00
commit 0736d7bd91
9 changed files with 19 additions and 18 deletions
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2
bpf_progs/bpf_shared.h
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@ -98,7 +98,7 @@ static const int IFACE_STATS_MAP_SIZE = 1000;
static const int CONFIGURATION_MAP_SIZE = 2;
static const int UID_OWNER_MAP_SIZE = 2000;
#define BPF_PATH "/sys/fs/bpf/"
#define BPF_PATH "/sys/fs/bpf/net_shared/"
#define BPF_EGRESS_PROG_PATH BPF_PATH "prog_netd_cgroupskb_egress_stats"
#define BPF_INGRESS_PROG_PATH BPF_PATH "prog_netd_cgroupskb_ingress_stats"

2
service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
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@ -38,7 +38,7 @@ public class BpfInterfaceMapUpdater {
private static final String TAG = BpfInterfaceMapUpdater.class.getSimpleName();
// This is current path but may be changed soon.
private static final String IFACE_INDEX_NAME_MAP_PATH =
"/sys/fs/bpf/map_netd_iface_index_name_map";
"/sys/fs/bpf/net_shared/map_netd_iface_index_name_map";
private final IBpfMap<U32, InterfaceMapValue> mBpfMap;
private final INetd mNetd;
private final Handler mHandler;

11
service-t/src/com/android/server/net/NetworkStatsService.java
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@ -218,17 +218,16 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
private static final String NETSTATS_COMBINE_SUBTYPE_ENABLED =
"netstats_combine_subtype_enabled";
// This is current path but may be changed soon.
private static final String UID_COUNTERSET_MAP_PATH =
"/sys/fs/bpf/map_netd_uid_counterset_map";
"/sys/fs/bpf/net_shared/map_netd_uid_counterset_map";
private static final String COOKIE_TAG_MAP_PATH =
"/sys/fs/bpf/map_netd_cookie_tag_map";
"/sys/fs/bpf/net_shared/map_netd_cookie_tag_map";
private static final String APP_UID_STATS_MAP_PATH =
"/sys/fs/bpf/map_netd_app_uid_stats_map";
"/sys/fs/bpf/net_shared/map_netd_app_uid_stats_map";
private static final String STATS_MAP_A_PATH =
"/sys/fs/bpf/map_netd_stats_map_A";
"/sys/fs/bpf/net_shared/map_netd_stats_map_A";
private static final String STATS_MAP_B_PATH =
"/sys/fs/bpf/map_netd_stats_map_B";
"/sys/fs/bpf/net_shared/map_netd_stats_map_B";
private final Context mContext;
private final NetworkStatsFactory mStatsFactory;

2
service/src/com/android/server/ConnectivityService.java
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@ -754,7 +754,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
* The BPF program attached to the tc-police hook to account for to-be-dropped traffic.
*/
private static final String TC_POLICE_BPF_PROG_PATH =
"/sys/fs/bpf/prog_netd_schedact_ingress_account";
"/sys/fs/bpf/net_shared/prog_netd_schedact_ingress_account";
private static String eventName(int what) {
return sMagicDecoderRing.get(what, Integer.toString(what));

4
service/src/com/android/server/connectivity/ClatCoordinator.java
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@ -100,11 +100,11 @@ public class ClatCoordinator {
private static final String CLAT_INGRESS6_MAP_PATH = makeMapPath("ingress6");
private static String makeMapPath(String which) {
return "/sys/fs/bpf/map_clatd_clat_" + which + "_map";
return "/sys/fs/bpf/net_shared/map_clatd_clat_" + which + "_map";
}
private static String makeProgPath(boolean ingress, boolean ether) {
String path = "/sys/fs/bpf/prog_clatd_schedcls_"
String path = "/sys/fs/bpf/net_shared/prog_clatd_schedcls_"
+ (ingress ? "ingress6" : "egress4")
+ "_clat_"
+ (ether ? "ether" : "rawip");

7
service/src/com/android/server/connectivity/ConnectivityNativeService.java
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@ -47,10 +47,11 @@ public class ConnectivityNativeService extends ConnectivityNative.Stub {
private static final String TAG = ConnectivityNativeService.class.getSimpleName();
private static final String CGROUP_PATH = "/sys/fs/cgroup";
private static final String V4_PROG_PATH =
"/sys/fs/bpf/prog_block_bind4_block_port";
"/sys/fs/bpf/net_shared/prog_block_bind4_block_port";
private static final String V6_PROG_PATH =
"/sys/fs/bpf/prog_block_bind6_block_port";
private static final String BLOCKED_PORTS_MAP_PATH = "/sys/fs/bpf/map_block_blocked_ports_map";
"/sys/fs/bpf/net_shared/prog_block_bind6_block_port";
private static final String BLOCKED_PORTS_MAP_PATH =
"/sys/fs/bpf/net_shared/map_block_blocked_ports_map";
private final Context mContext;

4
service/src/com/android/server/connectivity/DscpPolicyTracker.java
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@ -52,7 +52,7 @@ public class DscpPolicyTracker {
private static final String TAG = DscpPolicyTracker.class.getSimpleName();
private static final String PROG_PATH =
"/sys/fs/bpf/prog_dscp_policy_schedcls_set_dscp";
"/sys/fs/bpf/net_shared/prog_dscp_policy_schedcls_set_dscp";
// Name is "map + *.o + map_name + map". Can probably shorten this
private static final String IPV4_POLICY_MAP_PATH = makeMapPath(
"dscp_policy_ipv4_dscp_policies");
@ -61,7 +61,7 @@ public class DscpPolicyTracker {
private static final int MAX_POLICIES = 16;
private static String makeMapPath(String which) {
return "/sys/fs/bpf/map_" + which + "_map";
return "/sys/fs/bpf/net_shared/map_" + which + "_map";
}
private Set<String> mAttachedIfaces;

1
tests/mts/bpf_existence_test.cpp
View file

@ -42,6 +42,7 @@ using android::modules::sdklevel::IsAtLeastT;
#define PLATFORM "/sys/fs/bpf/"
#define TETHERING "/sys/fs/bpf/tethering/"
#define SHARED "/sys/fs/bpf/net_shared/"
class BpfExistenceTest : public ::testing::Test {
};

4
tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
View file

@ -109,9 +109,9 @@ public class ClatCoordinatorTest {
new FileDescriptor());
private static final String EGRESS_PROG_PATH =
"/sys/fs/bpf/prog_clatd_schedcls_egress4_clat_rawip";
"/sys/fs/bpf/net_shared/prog_clatd_schedcls_egress4_clat_rawip";
private static final String INGRESS_PROG_PATH =
"/sys/fs/bpf/prog_clatd_schedcls_ingress6_clat_ether";
"/sys/fs/bpf/net_shared/prog_clatd_schedcls_ingress6_clat_ether";
private static final ClatEgress4Key EGRESS_KEY = new ClatEgress4Key(STACKED_IFINDEX,
INET4_LOCAL4);
private static final ClatEgress4Value EGRESS_VALUE = new ClatEgress4Value(BASE_IFINDEX,