bionic (3) umad_open_port.3.gz

Provided by: libibumad-dev_17.1-1ubuntu0.2_amd64 bug

NAME

       umad_open_port - open InfiniBand device port for umad access

SYNOPSIS

       #include <infiniband/umad.h>

       int umad_open_port(char *ca_name, int portnum);

DESCRIPTION

       umad_open_port() opens the port portnum of the IB device ca_name for umad access. The port is selected by
       the library if not all parameters are provided (see umad_get_port() for details).

RETURN VALUE

       umad_open_port() returns 0 or an unique positive value of  umad  device  descriptor  on  success,  and  a
       negative value on error as follows:
        -ENODEV IB device can´t be resolved
        -EINVAL port is not valid (bad portnum or no umad device)
        -EIO    umad device for this port can´t be opened

SEE ALSO

       umad_close_port(3), umad_get_cas_names(3), umad_get_port(3)

AUTHOR

       Hal Rosenstock <halr@voltaire.com>