5  * Copyright (C) 2005-2006 Intel Corporation
6  * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
20  * 02110-1301, USA.
45  * struct uwb_dev - a UWB Device
50  * @mac_addr: the EUI-48 address of this device.
109  * struct uwb_mas_bm - a bitmap of all MAS in a superframe
120  * uwb_rsv_state - UWB Reservation state.
122  * NONE - reservation is not active (no DRP IE being transmitted).
126  * INITIATED - owner has sent an initial DRP request.
127  * PENDING - target responded with pending Reason Code.
128  * MODIFIED - reservation manager is modifying an established
130  * ESTABLISHED - the reservation has been successfully negotiated.
134  * DENIED - request is denied.
135  * ACCEPTED - request is accepted.
136  * PENDING - PAL has yet to make a decision to whether to accept or
170  * struct uwb_rsv_target - the target of a reservation.
198  * struct uwb_rsv - a DRP reservation
273 	bitmap_copy_le(dst, mas->bm, UWB_NUM_MAS);  in uwb_mas_bm_copy_le()
277  * struct uwb_drp_avail - a radio controller's view of MAS usage
295  * rc->rsvs_mutex should be held before accessing this data structure.
297  * [ECMA-368] section 17.4.3.
350  *            because rc->cmd() can sleep.
366  *               amount used is given by sizeof(*ies) plus ies->wIELength
425  * struct uwb_pal - a UWB PAL
431  *           A channel of -1 means the channel has been stopped.
435  *           the radio; -1 if the PAL wishes to use the radio but
484 	get_device(&uwb_dev->dev);  in uwb_dev_get()
488 	put_device(&uwb_dev->dev);  in uwb_dev_put()
539 	return __uwb_addr_print(buf, buf_size, addr->data, 0);  in uwb_dev_addr_print()
546 	return __uwb_addr_print(buf, buf_size, addr->data, 1);  in uwb_mac_addr_print()
604  * uwb_rsv_is_owner - is the owner of this reservation the RC?
609 	return rsv->owner == &rsv->rc->uwb_dev;  in uwb_rsv_is_owner()
613  * enum uwb_notifs - UWB events that can be passed to any listeners
661  * payload. This allows device-specific event size tables to be
666  * @offset: if != 0, at offset @offset-1 starts a field with a length
687 /* -- Misc */
703 	edc->timestart = jiffies;  in edc_init()
720 	if (now - err_hist->timestart > timeframe) {  in edc_inc()
721 		err_hist->errorcount = 1;  in edc_inc()
722 		err_hist->timestart = now;  in edc_inc()
723 	} else if (++err_hist->errorcount > max_err) {  in edc_inc()
724 			err_hist->errorcount = 0;  in edc_inc()
725 			err_hist->timestart = now;  in edc_inc()
746  * (@sigma) and a # of samples. When @samples gets to 255, we compute
747  * the average (@sigma / @samples), place it in @sigma and reset
748  * @samples to 1 (so we use it as the first sample).
755  * schema. Only _add_samples() modifies the values--as long as you
758  * resetting the values we just set @samples to 0 and that makes the
768 	atomic_t samples;  member
774 	atomic_set(&stats->samples, 0);  in stats_init()
783 	unsigned samples = atomic_read(&stats->samples);  in stats_add_sample()  local
784 	if (samples == 0) {	/* it was zero before, so we initialize */  in stats_add_sample()
786 		max = -128;  in stats_add_sample()
789 		min = stats->min;  in stats_add_sample()
790 		max = stats->max;  in stats_add_sample()
791 		sigma = stats->sigma;  in stats_add_sample()
800 	stats->min = min;	/* commit */  in stats_add_sample()
801 	stats->max = max;  in stats_add_sample()
802 	stats->sigma = sigma;  in stats_add_sample()
803 	if (atomic_add_return(1, &stats->samples) > 255) {  in stats_add_sample()
805 		stats->sigma = sigma / 256;  in stats_add_sample()
806 		atomic_set(&stats->samples, 1);  in stats_add_sample()
812 	int min, max, avg;  in stats_show()  local
813 	int samples = atomic_read(&stats->samples);  in stats_show()  local
814 	if (samples == 0)  in stats_show()
815 		min = max = avg = 0;  in stats_show()
817 		min = stats->min;  in stats_show()
818 		max = stats->max;  in stats_show()
819 		avg = stats->sigma / samples;  in stats_show()
821 	return scnprintf(buf, PAGE_SIZE, "%d %d %d\n", min, max, avg);  in stats_show()