API for the Buffer Manager of the network stack

 1int8_t set_excess_policy(int8_t prio, int8_t pref);
 2/*
 3This function sets the excess policy of a given priority level to a given value
 4
 5    PARAMS:            prio: The priority level
 6                pref: The preference type..OVERWRITE or DROP
 7    RETURNS:        NRK_OK if the setting is assigned correctly
 8                NRK_ERROR otherwise
 9
10    ERROR NOS:        INVALID_ARGUMENT if one or more of the input parameters is invalid
11    COMMENTS:        user API
12*/
 1int8_t get_excess_policy(int8_t prio);
 2/*
 3This function returns the excess policy setting for a given priority level
 4
 5    PARAMS:        prio: The priority level
 6    RETURNS:     OVERWRITE or DROP depending on the setting
 7            NRK_ERROR otherwise
 8
 9    ERROR NOS:    INVALID_ARGUMENT if the input paramter is invalid
10    COMMENTS:    user API
11*/