diff options
Diffstat (limited to 'include/osmocom')
| -rw-r--r-- | include/osmocom/bsc/acc.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/osmocom/bsc/acc.h b/include/osmocom/bsc/acc.h index bd75f9599..c7be38cb3 100644 --- a/include/osmocom/bsc/acc.h +++ b/include/osmocom/bsc/acc.h @@ -71,9 +71,12 @@ void acc_mgr_apply_acc(struct acc_mgr *acc_mgr, struct gsm48_rach_control *rach_ #define ACC_RAMP_STEP_SIZE_DEFAULT ACC_RAMP_STEP_SIZE_MIN #define ACC_RAMP_STEP_SIZE_MAX 10 /* allow all ACC in one step (effectively disables ramping) */ -#define ACC_RAMP_STEP_INTERVAL_MIN 30 /* 30 seconds */ +#define ACC_RAMP_STEP_INTERVAL_MIN 5 /* 5 seconds */ #define ACC_RAMP_STEP_INTERVAL_MAX 600 /* 10 minutes */ +#define ACC_RAMP_CHAN_LOAD_THRESHOLD_LOW 71 +#define ACC_RAMP_CHAN_LOAD_THRESHOLD_UP 89 + /*! * Data structure used to manage ACC ramping. Please avoid setting or reading fields * in this structure directly. Use the accessor functions below instead. @@ -97,8 +100,17 @@ struct acc_ramp { * it has been overridden by VTY configuration. */ unsigned int step_interval_sec; - bool step_interval_is_fixed; struct osmo_timer_list step_timer; + + /*! + * Channel Load Upper/Lower Thresholds: + * They control how ramping subset size of allowed ACCs changes in + * relation to current channel load (%, 0-100): Under the lower + * threshold, subset size may be increased; above the upper threshold, + * subset size may be decreased. + */ + unsigned int chan_load_lower_threshold; + unsigned int chan_load_upper_threshold; }; /*! @@ -141,17 +153,17 @@ static inline unsigned int acc_ramp_get_step_interval(struct acc_ramp *acc_ramp) } /*! - * If the step interval is dynamic, return true, else return false. + * Return the current ACC ramp step interval (in seconds) * \param[in] acc_ramp Pointer to acc_ramp structure. */ -static inline bool acc_ramp_step_interval_is_dynamic(struct acc_ramp *acc_ramp) +static inline unsigned int acc_ramp_is_running(struct acc_ramp *acc_ramp) { - return !(acc_ramp->step_interval_is_fixed); + return acc_ramp->step_interval_sec; } void acc_ramp_init(struct acc_ramp *acc_ramp, struct gsm_bts *bts); int acc_ramp_set_step_size(struct acc_ramp *acc_ramp, unsigned int step_size); int acc_ramp_set_step_interval(struct acc_ramp *acc_ramp, unsigned int step_interval); -void acc_ramp_set_step_interval_dynamic(struct acc_ramp *acc_ramp); +int acc_ramp_set_chan_load_thresholds(struct acc_ramp *acc_ramp, unsigned int low_threshold, unsigned int up_threshold); void acc_ramp_trigger(struct acc_ramp *acc_ramp); void acc_ramp_abort(struct acc_ramp *acc_ramp); |