RDMA_RESOLVE_ADDR(3)     Librdmacm Programmer's Manual    RDMA_RESOLVE_ADDR(3)

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)

librdmacm                         2007-10-31              RDMA_RESOLVE_ADDR(3)