[infiniband] use udaddy to test RDMA_CM API connection through GID

1. Run ibv_devinfo -vv

GID[0] was found.

2. Udaddy uses the GID[0] found in 1. to test the connection

server:

root@debian:~/infiniband/rdma-core-50mlnx1# build/bin/udaddy -f gid -b fe80:0000:0000:0000:e41d:2e03:0051:26d1
udaddy: starting server
test.rai->ai_src_addr->sa_family:27
receiving data transfers
sending replies
data transfers complete
test complete
return status 0

client:

root@debian:~/infiniband/rdma-core-50mlnx1# build/bin/udaddy -f gid -s fe80:0000:0000:0000:e41d:2e03:0051:26d1
udaddy: starting client
udaddy: connecting
initiating data transfers
receiving data transfers
data transfers complete
test complete
return status 0

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Origin blog.csdn.net/eidolon_foot/article/details/132719383