[openib-general] ib_device_cap_flags

[Sean Hefty]

Roland Dreier wrote:
>     Michael> Hi!  enum ib_device_cap_flags from ib_verbs.h does not
>     Michael> seem to be used anywhere.  Specifically there does not
>     Michael> seem to exist a way to find out the device capabilities.
> 
>     Michael> # grep -rIi ib_device_cap_flags .
>     Michael> ./include/ib_verbs.h:enum ib_device_cap_flags {
> 
> This is partially because of Sean's somewhat unfortunate habit of
> defining enums but then just using "int" everywhere in the API.  The
> way to get the capabilities is to use ib_query_device -- the flags
> will be returned in the device_cap_flags member of struct
> ib_device_attr.

Int is used because the returned value is a bitwise OR of the valid 
capabilities, and is not a value defined by the enum.  We can change 
the enum values to #define if that would make it any easier.

- Sean