Merge changes I03e7cda7,I675c4ef5
* changes:
Allow ethernet on automotive to set allowed UIDs
Updating Eth CTS to account for existing ifaces
diff --git a/bpf_progs/Android.bp b/bpf_progs/Android.bp
index 6c78244..23af3e3 100644
--- a/bpf_progs/Android.bp
+++ b/bpf_progs/Android.bp
@@ -123,5 +123,5 @@
include_dirs: [
"frameworks/libs/net/common/netd/libnetdutils/include",
],
- sub_dir: "net_shared",
+ sub_dir: "netd_shared",
}
diff --git a/bpf_progs/block.c b/bpf_progs/block.c
index ddd9a1c..601b932 100644
--- a/bpf_progs/block.c
+++ b/bpf_progs/block.c
@@ -19,6 +19,9 @@
#include <netinet/in.h>
#include <stdint.h>
+// The resulting .o needs to load on the Android T bpfloader v0.12+
+#define BPFLOADER_MIN_VER 12u
+
#include "bpf_helpers.h"
#define ALLOW 1
diff --git a/bpf_progs/bpf_shared.h b/bpf_progs/bpf_shared.h
index 9a246a6..14fcdd6 100644
--- a/bpf_progs/bpf_shared.h
+++ b/bpf_progs/bpf_shared.h
@@ -98,29 +98,29 @@
static const int CONFIGURATION_MAP_SIZE = 2;
static const int UID_OWNER_MAP_SIZE = 2000;
-#define BPF_PATH "/sys/fs/bpf/net_shared/"
+#define BPF_NETD_PATH "/sys/fs/bpf/netd_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"
-#define XT_BPF_INGRESS_PROG_PATH BPF_PATH "prog_netd_skfilter_ingress_xtbpf"
-#define XT_BPF_EGRESS_PROG_PATH BPF_PATH "prog_netd_skfilter_egress_xtbpf"
-#define XT_BPF_ALLOWLIST_PROG_PATH BPF_PATH "prog_netd_skfilter_allowlist_xtbpf"
-#define XT_BPF_DENYLIST_PROG_PATH BPF_PATH "prog_netd_skfilter_denylist_xtbpf"
-#define CGROUP_SOCKET_PROG_PATH BPF_PATH "prog_netd_cgroupsock_inet_create"
+#define BPF_EGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupskb_egress_stats"
+#define BPF_INGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupskb_ingress_stats"
+#define XT_BPF_INGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_ingress_xtbpf"
+#define XT_BPF_EGRESS_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_egress_xtbpf"
+#define XT_BPF_ALLOWLIST_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_allowlist_xtbpf"
+#define XT_BPF_DENYLIST_PROG_PATH BPF_NETD_PATH "prog_netd_skfilter_denylist_xtbpf"
+#define CGROUP_SOCKET_PROG_PATH BPF_NETD_PATH "prog_netd_cgroupsock_inet_create"
#define TC_BPF_INGRESS_ACCOUNT_PROG_NAME "prog_netd_schedact_ingress_account"
-#define TC_BPF_INGRESS_ACCOUNT_PROG_PATH BPF_PATH TC_BPF_INGRESS_ACCOUNT_PROG_NAME
+#define TC_BPF_INGRESS_ACCOUNT_PROG_PATH BPF_NETD_PATH TC_BPF_INGRESS_ACCOUNT_PROG_NAME
-#define COOKIE_TAG_MAP_PATH BPF_PATH "map_netd_cookie_tag_map"
-#define UID_COUNTERSET_MAP_PATH BPF_PATH "map_netd_uid_counterset_map"
-#define APP_UID_STATS_MAP_PATH BPF_PATH "map_netd_app_uid_stats_map"
-#define STATS_MAP_A_PATH BPF_PATH "map_netd_stats_map_A"
-#define STATS_MAP_B_PATH BPF_PATH "map_netd_stats_map_B"
-#define IFACE_INDEX_NAME_MAP_PATH BPF_PATH "map_netd_iface_index_name_map"
-#define IFACE_STATS_MAP_PATH BPF_PATH "map_netd_iface_stats_map"
-#define CONFIGURATION_MAP_PATH BPF_PATH "map_netd_configuration_map"
-#define UID_OWNER_MAP_PATH BPF_PATH "map_netd_uid_owner_map"
-#define UID_PERMISSION_MAP_PATH BPF_PATH "map_netd_uid_permission_map"
+#define COOKIE_TAG_MAP_PATH BPF_NETD_PATH "map_netd_cookie_tag_map"
+#define UID_COUNTERSET_MAP_PATH BPF_NETD_PATH "map_netd_uid_counterset_map"
+#define APP_UID_STATS_MAP_PATH BPF_NETD_PATH "map_netd_app_uid_stats_map"
+#define STATS_MAP_A_PATH BPF_NETD_PATH "map_netd_stats_map_A"
+#define STATS_MAP_B_PATH BPF_NETD_PATH "map_netd_stats_map_B"
+#define IFACE_INDEX_NAME_MAP_PATH BPF_NETD_PATH "map_netd_iface_index_name_map"
+#define IFACE_STATS_MAP_PATH BPF_NETD_PATH "map_netd_iface_stats_map"
+#define CONFIGURATION_MAP_PATH BPF_NETD_PATH "map_netd_configuration_map"
+#define UID_OWNER_MAP_PATH BPF_NETD_PATH "map_netd_uid_owner_map"
+#define UID_PERMISSION_MAP_PATH BPF_NETD_PATH "map_netd_uid_permission_map"
enum UidOwnerMatchType {
NO_MATCH = 0,
@@ -163,13 +163,15 @@
#define UID_RULES_CONFIGURATION_KEY 1
#define CURRENT_STATS_MAP_CONFIGURATION_KEY 2
+#define BPF_CLATD_PATH "/sys/fs/bpf/net_shared/"
+
#define CLAT_INGRESS6_PROG_RAWIP_NAME "prog_clatd_schedcls_ingress6_clat_rawip"
#define CLAT_INGRESS6_PROG_ETHER_NAME "prog_clatd_schedcls_ingress6_clat_ether"
-#define CLAT_INGRESS6_PROG_RAWIP_PATH BPF_PATH CLAT_INGRESS6_PROG_RAWIP_NAME
-#define CLAT_INGRESS6_PROG_ETHER_PATH BPF_PATH CLAT_INGRESS6_PROG_ETHER_NAME
+#define CLAT_INGRESS6_PROG_RAWIP_PATH BPF_CLATD_PATH CLAT_INGRESS6_PROG_RAWIP_NAME
+#define CLAT_INGRESS6_PROG_ETHER_PATH BPF_CLATD_PATH CLAT_INGRESS6_PROG_ETHER_NAME
-#define CLAT_INGRESS6_MAP_PATH BPF_PATH "map_clatd_clat_ingress6_map"
+#define CLAT_INGRESS6_MAP_PATH BPF_CLATD_PATH "map_clatd_clat_ingress6_map"
typedef struct {
uint32_t iif; // The input interface index
@@ -187,10 +189,10 @@
#define CLAT_EGRESS4_PROG_RAWIP_NAME "prog_clatd_schedcls_egress4_clat_rawip"
#define CLAT_EGRESS4_PROG_ETHER_NAME "prog_clatd_schedcls_egress4_clat_ether"
-#define CLAT_EGRESS4_PROG_RAWIP_PATH BPF_PATH CLAT_EGRESS4_PROG_RAWIP_NAME
-#define CLAT_EGRESS4_PROG_ETHER_PATH BPF_PATH CLAT_EGRESS4_PROG_ETHER_NAME
+#define CLAT_EGRESS4_PROG_RAWIP_PATH BPF_CLATD_PATH CLAT_EGRESS4_PROG_RAWIP_NAME
+#define CLAT_EGRESS4_PROG_ETHER_PATH BPF_CLATD_PATH CLAT_EGRESS4_PROG_ETHER_NAME
-#define CLAT_EGRESS4_MAP_PATH BPF_PATH "map_clatd_clat_egress4_map"
+#define CLAT_EGRESS4_MAP_PATH BPF_CLATD_PATH "map_clatd_clat_egress4_map"
typedef struct {
uint32_t iif; // The input interface index
diff --git a/bpf_progs/clatd.c b/bpf_progs/clatd.c
index 9a9d337..87795f5 100644
--- a/bpf_progs/clatd.c
+++ b/bpf_progs/clatd.c
@@ -30,6 +30,9 @@
#define __kernel_udphdr udphdr
#include <linux/udp.h>
+// The resulting .o needs to load on the Android T bpfloader v0.12+
+#define BPFLOADER_MIN_VER 12u
+
#include "bpf_helpers.h"
#include "bpf_net_helpers.h"
#include "bpf_shared.h"
diff --git a/bpf_progs/dscp_policy.c b/bpf_progs/dscp_policy.c
index d5df7ef..7211f2b 100644
--- a/bpf_progs/dscp_policy.c
+++ b/bpf_progs/dscp_policy.c
@@ -27,6 +27,9 @@
#include <netinet/udp.h>
#include <string.h>
+// The resulting .o needs to load on the Android T bpfloader v0.12+
+#define BPFLOADER_MIN_VER 12u
+
#include "bpf_helpers.h"
#include "dscp_policy.h"
diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index d629b41..d019257 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -14,6 +14,9 @@
* limitations under the License.
*/
+// The resulting .o needs to load on the Android T Beta 3 bpfloader v0.13+
+#define BPFLOADER_MIN_VER 13u
+
#include <bpf_helpers.h>
#include <linux/bpf.h>
#include <linux/if.h>
diff --git a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
index 09782fd..e2cceda 100644
--- a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -46,6 +46,7 @@
import android.os.RemoteException;
import android.text.TextUtils;
import android.util.AndroidRuntimeException;
+import android.util.ArraySet;
import android.util.Log;
import android.util.SparseArray;
@@ -56,6 +57,7 @@
import java.io.FileDescriptor;
import java.util.Objects;
+import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
@@ -363,12 +365,14 @@
private final Context mContext;
private final NetworkProvider mNetworkProvider;
private final Dependencies mDeps;
+ private final NetworkProvider.NetworkOfferCallback mNetworkOfferCallback;
private static String sTcpBufferSizes = null; // Lazy initialized.
private boolean mLinkUp;
private int mLegacyType;
private LinkProperties mLinkProperties = new LinkProperties();
+ private Set<NetworkRequest> mRequests = new ArraySet<>();
private volatile @Nullable IpClientManager mIpClient;
private @NonNull NetworkCapabilities mCapabilities;
@@ -469,6 +473,28 @@
}
}
+ private class EthernetNetworkOfferCallback implements NetworkProvider.NetworkOfferCallback {
+ @Override
+ public void onNetworkNeeded(@NonNull NetworkRequest request) {
+ // When the network offer is first registered, onNetworkNeeded is called with all
+ // existing requests.
+ // ConnectivityService filters requests for us based on the NetworkCapabilities
+ // passed in the registerNetworkOffer() call.
+ mRequests.add(request);
+ // if the network is already started, this is a no-op.
+ start();
+ }
+
+ @Override
+ public void onNetworkUnneeded(@NonNull NetworkRequest request) {
+ mRequests.remove(request);
+ if (mRequests.isEmpty()) {
+ // not currently serving any requests, stop the network.
+ stop();
+ }
+ }
+ }
+
NetworkInterfaceState(String ifaceName, String hwAddress, Handler handler, Context context,
@NonNull IpConfiguration ipConfig, @NonNull NetworkCapabilities capabilities,
NetworkProvider networkProvider, Dependencies deps) {
@@ -480,6 +506,7 @@
mContext = context;
mNetworkProvider = networkProvider;
mDeps = deps;
+ mNetworkOfferCallback = new EthernetNetworkOfferCallback();
mHwAddress = hwAddress;
}
diff --git a/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java b/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
index 5011dec..3b44d81 100644
--- a/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
+++ b/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
@@ -38,7 +38,7 @@
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/net_shared/map_netd_iface_index_name_map";
+ "/sys/fs/bpf/netd_shared/map_netd_iface_index_name_map";
private final IBpfMap<U32, InterfaceMapValue> mBpfMap;
private final INetd mNetd;
private final Handler mHandler;
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index b2d8b5e..a015177 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -222,15 +222,15 @@
"netstats_combine_subtype_enabled";
private static final String UID_COUNTERSET_MAP_PATH =
- "/sys/fs/bpf/net_shared/map_netd_uid_counterset_map";
+ "/sys/fs/bpf/netd_shared/map_netd_uid_counterset_map";
private static final String COOKIE_TAG_MAP_PATH =
- "/sys/fs/bpf/net_shared/map_netd_cookie_tag_map";
+ "/sys/fs/bpf/netd_shared/map_netd_cookie_tag_map";
private static final String APP_UID_STATS_MAP_PATH =
- "/sys/fs/bpf/net_shared/map_netd_app_uid_stats_map";
+ "/sys/fs/bpf/netd_shared/map_netd_app_uid_stats_map";
private static final String STATS_MAP_A_PATH =
- "/sys/fs/bpf/net_shared/map_netd_stats_map_A";
+ "/sys/fs/bpf/netd_shared/map_netd_stats_map_A";
private static final String STATS_MAP_B_PATH =
- "/sys/fs/bpf/net_shared/map_netd_stats_map_B";
+ "/sys/fs/bpf/netd_shared/map_netd_stats_map_B";
private final Context mContext;
private final NetworkStatsFactory mStatsFactory;
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 1d65f21..691cb4d 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -748,7 +748,7 @@
* 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/net_shared/prog_netd_schedact_ingress_account";
+ "/sys/fs/bpf/netd_shared/prog_netd_schedact_ingress_account";
private static String eventName(int what) {
return sMagicDecoderRing.get(what, Integer.toString(what));
diff --git a/tests/mts/bpf_existence_test.cpp b/tests/mts/bpf_existence_test.cpp
index 25694d7..7efc2b1 100644
--- a/tests/mts/bpf_existence_test.cpp
+++ b/tests/mts/bpf_existence_test.cpp
@@ -42,7 +42,9 @@
#define PLATFORM "/sys/fs/bpf/"
#define TETHERING "/sys/fs/bpf/tethering/"
+#define PRIVATE "/sys/fs/bpf/net_private/"
#define SHARED "/sys/fs/bpf/net_shared/"
+#define NETD "/sys/fs/bpf/netd_shared/"
class BpfExistenceTest : public ::testing::Test {
};
@@ -95,16 +97,16 @@
SHARED "map_dscp_policy_ipv6_socket_to_policies_map_A",
SHARED "map_dscp_policy_ipv6_socket_to_policies_map_B",
SHARED "map_dscp_policy_switch_comp_map",
- SHARED "map_netd_app_uid_stats_map",
- SHARED "map_netd_configuration_map",
- SHARED "map_netd_cookie_tag_map",
- SHARED "map_netd_iface_index_name_map",
- SHARED "map_netd_iface_stats_map",
- SHARED "map_netd_stats_map_A",
- SHARED "map_netd_stats_map_B",
- SHARED "map_netd_uid_counterset_map",
- SHARED "map_netd_uid_owner_map",
- SHARED "map_netd_uid_permission_map",
+ NETD "map_netd_app_uid_stats_map",
+ NETD "map_netd_configuration_map",
+ NETD "map_netd_cookie_tag_map",
+ NETD "map_netd_iface_index_name_map",
+ NETD "map_netd_iface_stats_map",
+ NETD "map_netd_stats_map_A",
+ NETD "map_netd_stats_map_B",
+ NETD "map_netd_uid_counterset_map",
+ NETD "map_netd_uid_owner_map",
+ NETD "map_netd_uid_permission_map",
SHARED "prog_block_bind4_block_port",
SHARED "prog_block_bind6_block_port",
SHARED "prog_clatd_schedcls_egress4_clat_ether",
@@ -113,14 +115,14 @@
SHARED "prog_clatd_schedcls_ingress6_clat_rawip",
SHARED "prog_dscp_policy_schedcls_set_dscp_ether",
SHARED "prog_dscp_policy_schedcls_set_dscp_raw_ip",
- SHARED "prog_netd_cgroupskb_egress_stats",
- SHARED "prog_netd_cgroupskb_ingress_stats",
- SHARED "prog_netd_cgroupsock_inet_create",
- SHARED "prog_netd_schedact_ingress_account",
- SHARED "prog_netd_skfilter_allowlist_xtbpf",
- SHARED "prog_netd_skfilter_denylist_xtbpf",
- SHARED "prog_netd_skfilter_egress_xtbpf",
- SHARED "prog_netd_skfilter_ingress_xtbpf",
+ NETD "prog_netd_cgroupskb_egress_stats",
+ NETD "prog_netd_cgroupskb_ingress_stats",
+ NETD "prog_netd_cgroupsock_inet_create",
+ NETD "prog_netd_schedact_ingress_account",
+ NETD "prog_netd_skfilter_allowlist_xtbpf",
+ NETD "prog_netd_skfilter_denylist_xtbpf",
+ NETD "prog_netd_skfilter_egress_xtbpf",
+ NETD "prog_netd_skfilter_ingress_xtbpf",
};
static const set<string> REMOVED_T = {