wgengine/filter: omit logging for all v6 multicast, remove debug panic :(

(cherry picked from commit da3b50ad88)
bradfitz/release-branch-1.0 v1.0.2
Brad Fitzpatrick 4 years ago committed by David Anderson
parent e98ed6319a
commit 1d9ab6d484

@ -349,7 +349,10 @@ func omitDropLogging(p *packet.ParsedPacket, dir direction) bool {
if string(dst) == ipv6AllMLDv2CapableRouters { if string(dst) == ipv6AllMLDv2CapableRouters {
return true return true
} }
panic(fmt.Sprintf("Got proto=%2x; src=%x dst=%x", int(p.IPProto), src, dst)) // Actually, just catch all multicast.
if dst[0] == 0xff {
return true
}
} }
} }
return false return false

@ -343,6 +343,12 @@ func TestOmitDropLogging(t *testing.T) {
dir: out, dir: out,
want: true, want: true,
}, },
{
name: "v6_udp_multicast",
pkt: parseHexPkt(t, "60 00 00 00 00 00 11 00 fe800000000000007dc6bc04499262a3 ff120000000000000000000000008384"),
dir: out,
want: true,
},
} }
for _, tt := range tests { for _, tt := range tests {

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