Writing RDMA applications on Linux Example programs
Writing RDMA applications on Linux Example programs by Roland Dreier.
source: http://www.digitalvampire.org/rdma-tutorial-2007/notes.pdf
please make sure you have rdma and libibverbs library.
client :
$ cc -o client client.c -lrdmacm -libverbs
server :
$ cc -o server server.c -lrdmacm -libverbs
| @shrebhan thanks!
server :
$ ./server
client : ( syntax: client [servername] [val1] [val2] )
$./client 192.168.1.2 123 567
123 + 567 = 690
Hi,
I try to move the code " if (ibv_post_recv(cm_id->qp, &recv_wr, &bad_recv_wr)) return 1" to the location before waiting for /* Wait for receive completion */, but the program failed to function normally. why should the server prepost the recv request before building connection with the client? Thanks for replying!
the server also needs -libverbs similar to the client, the README.md can be updated to
$ cc -o server server.c -lrdmacm -libverbs
When I need to send and receive cyclically, every time I turn to the second round, it will fail. The client send succeeds but the server recv fails. What is the reason?
Also, create_id will prompt a segfault, but after the prompt, the creation seems to be successful. What might be wrong?
Thanks in advance.
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