Tang, Changqing wrote:
Below is the piece of rping.c code, how do I pick the returned port ? Do
you reset sin.sin_port inside rdma_bind_addr() if I pass 0 to
sin.sin_port ?
Yes.
I need the returned port to tell client side to call
rdma_resolve_addr(). If I am right, rdma_resolve_addr() needs dest port
number.
Sean, Does resolve_addr really need anything more than the ip address?
For iWARP it doesn't.
static int rping_bind_server(struct rping_cb *cb)
{
struct sockaddr_in sin;
int ret;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = cb->addr;
sin.sin_port = 0; ///////////cb->port;
ret = rdma_bind_addr(cb->cm_id, (struct sockaddr *) &sin);
if (ret) {
fprintf(stderr, "rdma_bind_addr error %d\n", ret);
return ret;
}
DEBUG_LOG("rdma_bind_addr successful\n");
--CQ
-----Original Message-----
From: Sean Hefty [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 16, 2007 11:40 AM
To: Tang, Changqing
Cc: [email protected]
Subject: Re: [ofa-general] librdmacm port selection for
rdma_bind_addr()
Is there a way to let system choose a port for me ?
like TCP/IP, if
port is set to 0, system will return an unused port.
Yes - binding to port 0 will return a usable port.
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