commit 95da58bb1848ccdde2082b483f4fe62647d21ff1
author Maciej enczykowski <maze@google.com> Sat Mar 30 05:26:24 2019 -0700
committer android-build-merger <android-build-merger@google.com> Sat Mar 30 05:26:24 2019 -0700
tree 20ae6f8e1ea2f9aca0c9603dfab3c780680be152
parent 761cedb3fa2b04499020c7e824508ba15eea052a
parent 4e1601e533b4b34d38e4eed229180257a385181b

clat - turn off spurious log messages caused by IPv6 packets
am: 4e1601e533

Change-Id: Ia354583cb87465caefe02d781e4d65f96d6ce570

clatd.c

diff --git a/clatd.c b/clatd.c
index 3ccceea..94a0f06 100644
--- a/clatd.c
+++ b/clatd.c
@@ -430,6 +430,11 @@
   }
 
   uint16_t proto = ntohs(tun_header->proto);
+  if (proto == ETH_P_IPV6) {
+    // kernel IPv6 stack spams us with router/neighbour solication,
+    // multicast group joins, etc. which otherwise fills the log...
+    return;
+  }
   if (proto != ETH_P_IP) {
     logmsg(ANDROID_LOG_WARN, "%s: unknown packet type = 0x%x", __func__, proto);
     return;