On Fri, Aug 23, 2019 at 04:17:50PM +0200, Marcin Mielniczuk wrote: > While the device is detected by ibv_devices and rping works, I can't get > ibv_rc_pingpong working > (and as far as I understand, RC should be supported by the iWARP driver) > > rping works: > > server$ rping -s -a 10.30.10.211 -v > server ping data: rdma-ping-0: > ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqr > server ping data: rdma-ping-1: > BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrs > server DISCONNECT EVENT... > wait for RDMA_READ_ADV state 10 > > client$ rping -c -a 10.30.10.211 -C 2 -v > (output omitted) > > > But ibv_rc_pingpong doesn't > > server$ ibv_rc_pingpong -d iwp____ > local address: LID 0x0000, QPN 0x000001, PSN 0xb8aafc, GID :: > Failed to modify QP to RTS > Couldn't connect to remote QP > client$ ibv_rc_pingpong -d iwp____ 10.30.10.211 > local address: LID 0x0000, QPN 0x000001, PSN 0x71abc5, GID :: > client read/write: Protocol not supported > Couldn't read/write remote address iwarp does not work with the pingpong examples as iwarp requires RDMA CM and the examples don't use it. Jason