NAME

       rdma_resolve_addr - Resolve destination and optional source addresses.

SYNOPSIS

       #include <rdma/rdma_cma.h>

       int  rdma_resolve_addr  (struct rdma_cm_id *id, struct sockaddr *src_addr, struct sockaddr *dst_addr, int
       timeout_ms);

ARGUMENTS

       id          RDMA identifier.

       src_addr    Source address information.  This parameter may be NULL.

       dst_addr    Destination address information.

       timeout_ms  Time to wait for resolution to complete.

DESCRIPTION

       Resolve destination and optional source addresses from IP addresses to an RDMA address.   If  successful,
       the specified rdma_cm_id will be bound to a local device.

RETURN VALUE

       Returns  0  on  success,  or  -1 on error.  If an error occurs, errno will be set to indicate the failure
       reason.

NOTES

       This call is used to map a given destination IP address to a usable RDMA address.  The IP to RDMA address
       mapping is done using the local routing tables, or via ARP.  If a source address is given, the rdma_cm_id
       is bound to that address, the same as if rdma_bind_addr were called.  If no source address is given,  and
       the  rdma_cm_id has not yet been bound to a device, then the rdma_cm_id will be bound to a source address
       based on the local routing tables.  After this call, the rdma_cm_id will be  bound  to  an  RDMA  device.
       This  call  is  typically made from the active side of a connection before calling rdma_resolve_route and
       rdma_connect.

INFINIBAND SPECIFIC

       This call maps the destination and, if given, source IP addresses to  GIDs.   In  order  to  perform  the
       mapping, IPoIB must be running on both the local and remote nodes.

SEE ALSO

       rdma_create_id(3),   rdma_resolve_route(3),   rdma_connect(3),  rdma_create_qp(3),  rdma_get_cm_event(3),
       rdma_bind_addr(3),       rdma_get_src_port(3),       rdma_get_dst_port(3),        rdma_get_local_addr(3),
       rdma_get_peer_addr(3)