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b=SLOHu0l7QlF7+a0jxMpap0wNqqJBWRU74q3XX+BgTnTxt8bC7ugffatyoYT+T5ti+ S/O+MFciJ7WYLmSYGNxDQBhlN5b8e4doNJf5qEfH8H3VlfdggVf5XN85zy8iX/a/Qf lqs0bwdmOxEnt+YwjrCB/NATBHV0sPj536BH5DX/ZkH4TPSmnmsqlKautHF6XXHNHl 3C2m4m9JsEWsrqEAF84+Bxbb476jr0hqH1I/tzjlPkr3qmOso3j1GGiRIiSK3g94FZ 0gXFEgQcRqd1DeVb32gPYAISZivRTwH8qwjhOBdpAA5eTDSJPfzjYRPmxMyu428aY9 oiCzAZALnJVhw== Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Fri, Sep 04, 2020 at 01:03:40PM -0500, Bob Pearson wrote: > The unicast IPv4 address is 192.168.0.21 which does have a gid table > entry. The multicast address is 230.168.0.21 which does > not. Presumably the driver wants the gid table entry so it can use > it to provide a source address for return traffic but that would > just be the unicast address I think. What is the call stack like around this? It should be using a route lookup to get the src IP to map to a gid address > BTW I got around the other addressing problem I was having by just > adding the eui48 IPV5 address by hand with ip addr add. Hum, seems like this is still a core code bug that should be fixed though Jason