Here is a little more information on the issue. Please let me know if there is anything I missed. We use ucmatose to replicate. Server Address: IPv4: 30.30.30.2; IPv6: 2400:c980:0:2::2 I calculate the IPv4-mapped-IPv6 address to be 0000:ffff:1e1e:1e02 It does not work if we do: ./ucmatose -b 2400:c980:0:2::2 & ./ucmatose -s 0000:ffff:1e1e:1e02 cmatose: starting server cmatose: starting client cmatose: getaddrinfo error: Name or service not known test complete return status -2 It works if we do: ./ucmatose -b 2400:c980:0:2::2 & ./ucmatose -s 2400:c980:0:2::2 cmatose: starting server cmatose: starting client cmatose: connecting initiating data transfers completing sends receiving data transfers receiving data transfers sending replies data transfers complete data transfers complete cmatose: disconnecting disconnected test complete test complete return status 0 return status 0 It also works if we do: ./ucmatose -b 30.30.30.2 & ./ucmatose -s 30.30.30.2 cmatose: starting server cmatose: starting client cmatose: connecting initiating data transfers completing sends receiving data transfers receiving data transfers sending replies data transfers complete data transfers complete cmatose: disconnecting test complete disconnected return status 0 test complete return status 0 >-----Original Message----- >From: Lu, Yingqi >Sent: Saturday, November 24, 2018 9:12 AM >To: 'Lu, Yingqi' <yingqi.lu@xxxxxxxxx>; linux-rdma@xxxxxxxxxxxxxxx >Cc: Kaczmarek, Eric <eric.kaczmarek@xxxxxxxxx>; Hefty, Sean ><sean.hefty@xxxxxxxxx> >Subject: RE: connect with IPv4-mapped IPv6 address with rsocket > >Hello! > >We reported the issue with rsocket connect function (rconnect) with IPv4- >mapped IPv6 addresses back in March. I am wondering if anyone on this mailing >list has a similar issue or is looking into it. > >Your guidance and suggestions are very much appreciated! > >Thanks, >Lucy > >>-----Original Message----- >>From: linux-rdma-owner@xxxxxxxxxxxxxxx [mailto:linux-rdma- >>owner@xxxxxxxxxxxxxxx] On Behalf Of Lu, Yingqi >>Sent: Wednesday, February 28, 2018 4:09 PM >>To: linux-rdma@xxxxxxxxxxxxxxx >>Cc: Kaczmarek, Eric <eric.kaczmarek@xxxxxxxxx>; Hefty, Sean >><sean.hefty@xxxxxxxxx> >>Subject: connect with IPv4-mapped IPv6 address with rsocket >> >>Hi All, >> >>I found an issue with rsocket (rconnect function) when listen socket is >>created with IPv6 (server side), but client socket uses IPv4-mapped >>IPv6 address. Regular TCP socket works fine in this situation. Rsocket >>(rconnect function) returns with error code 101. Is this a known issue or did I >miss anything here? >> >>Both server and client run on CentOS7.2. Please let me know if you have >>any questions or need any further information. >> >>Appreciate your help and suggestion! >> >>Thanks, >>Lucy >>-- >>To unsubscribe from this list: send the line "unsubscribe linux-rdma" >>in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo >>info at http://vger.kernel.org/majordomo-info.html
