LineageOS/android_packages_modules_Connectivity
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Dump the input destination MAC address for IPv4 flows.

Browse Source 
This is needed for forwarding to work, so it should be dumped.

New output:

  Forwarding rules:
    29(29) -> 14(rmnet2) 86dd 00:00:00:00:00:00 00:00:00:00:00:00
    [ap_br_wlan2]: iif(iface) oif(iface) v6addr srcmac dstmac
      14(rmnet2) 29(ap_br_wlan2) 2001:240:2423:13fa:3c21:e35a:6a59:ff8a da:17:fd:70:3d:14 26:5b:b2:ee:bc:ba
    IPv4: [inDstMac] iif(iface) src -> nat -> dst
      [da:17:fd:70:3d:14] 29(29) 192.168.222.151:39208 -> 14(rmnet2) 100.102.14.231:39208 -> 172.217.175.3:80
      [da:17:fd:70:3d:14] 29(29) 192.168.222.151:47386 -> 14(rmnet2) 100.102.14.231:47386 -> 216.58.197.196:443

Also add a call to getHostAddress() to remove the / on IPv6
forwarding rules.

Test: manual
Change-Id: I347ea5a3fd88c51f1fae0c76c75dfa30c68a55ad
This commit is contained in:
Lorenzo Colitti
2021-04-02 14:25:34 +09:00
committed by Maciej Żenczykowski
parent 5316e1ff18
commit e9bc8c9db7
1 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
View File

@@ -814,7 +814,7 @@ public class BpfCoordinator {
final int upstreamIfindex = rule.upstreamIfindex;
pw.println(String.format("%d(%s) %d(%s) %s %s %s", upstreamIfindex,
mInterfaceNames.get(upstreamIfindex), rule.downstreamIfindex,
downstreamIface, rule.address, rule.srcMac, rule.dstMac));
downstreamIface, rule.address.getHostAddress(), rule.srcMac, rule.dstMac));
}
pw.decreaseIndent();
}
@@ -851,9 +851,10 @@ public class BpfCoordinator {
} catch (UnknownHostException impossible) {
throw new AssertionError("4-byte array not valid IPv4 address!");
}
return String.format("%d(%s) %d(%s) %s:%d -> %s:%d -> %s:%d",
key.iif, getIfName(key.iif), value.oif, getIfName(value.oif),
private4, key.srcPort, public4, value.srcPort, dst4, key.dstPort);
return String.format("[%s] %d(%s) %s:%d -> %d(%s) %s:%d -> %s:%d",
key.dstMac, key.iif, getIfName(key.iif), private4, key.srcPort,
value.oif, getIfName(value.oif),
public4, value.srcPort, dst4, key.dstPort);
}
private void dumpIpv4ForwardingRules(IndentingPrintWriter pw) {
@@ -866,7 +867,7 @@ public class BpfCoordinator {
pw.println("No IPv4 rules");
return;
}
pw.println("[IPv4]: iif(iface) oif(iface) src nat dst");
pw.println("IPv4: [inDstMac] iif(iface) src -> nat -> dst");
pw.increaseIndent();
map.forEach((k, v) -> pw.println(ipv4RuleToString(k, v)));
} catch (ErrnoException e) {