4  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
5  * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
21 	if (dev->wireless_data)  in get_spydata()
22 		return dev->wireless_data->spy_data;  in get_spydata()
36 		return -EOPNOTSUPP;  in iw_handler_set_spy()
41 	spydata->spy_number = 0;  in iw_handler_set_spy()
52 	if (wrqu->data.length > 0) {  in iw_handler_set_spy()
56 		for (i = 0; i < wrqu->data.length; i++)  in iw_handler_set_spy()
57 			memcpy(spydata->spy_address[i], address[i].sa_data,  in iw_handler_set_spy()
60 		memset(spydata->spy_stat, 0,  in iw_handler_set_spy()
64 	/* Make sure above is updated before re-enabling */  in iw_handler_set_spy()
68 	spydata->spy_number = wrqu->data.length;  in iw_handler_set_spy()
85 		return -EOPNOTSUPP;  in iw_handler_get_spy()
87 	wrqu->data.length = spydata->spy_number;  in iw_handler_get_spy()
90 	for (i = 0; i < spydata->spy_number; i++) 	{  in iw_handler_get_spy()
91 		memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN);  in iw_handler_get_spy()
95 	if (spydata->spy_number > 0)  in iw_handler_get_spy()
96 		memcpy(extra  + (sizeof(struct sockaddr) *spydata->spy_number),  in iw_handler_get_spy()
97 		       spydata->spy_stat,  in iw_handler_get_spy()
98 		       sizeof(struct iw_quality) * spydata->spy_number);  in iw_handler_get_spy()
100 	for (i = 0; i < spydata->spy_number; i++)  in iw_handler_get_spy()
101 		spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED;  in iw_handler_get_spy()
106 /*------------------------------------------------------------------*/
108  * Standard Wireless Handler : set spy threshold
116 	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;  in iw_handler_set_thrspy()  local
120 		return -EOPNOTSUPP;  in iw_handler_set_thrspy()
123 	spydata->spy_thr_low = threshold->low;  in iw_handler_set_thrspy()
124 	spydata->spy_thr_high = threshold->high;  in iw_handler_set_thrspy()
127 	memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under));  in iw_handler_set_thrspy()
133 /*------------------------------------------------------------------*/
135  * Standard Wireless Handler : get spy threshold
143 	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;  in iw_handler_get_thrspy()  local
147 		return -EOPNOTSUPP;  in iw_handler_get_thrspy()
150 	threshold->low = spydata->spy_thr_low;  in iw_handler_get_thrspy()
151 	threshold->high = spydata->spy_thr_high;  in iw_handler_get_thrspy()
157 /*------------------------------------------------------------------*/
159  * Prepare and send a Spy Threshold event
167 	struct iw_thrspy	threshold;  in iw_send_thrspy_event()  local
173 	memcpy(threshold.addr.sa_data, address, ETH_ALEN);  in iw_send_thrspy_event()
174 	threshold.addr.sa_family = ARPHRD_ETHER;  in iw_send_thrspy_event()
176 	threshold.qual = *wstats;  in iw_send_thrspy_event()
178 	threshold.low = spydata->spy_thr_low;  in iw_send_thrspy_event()
179 	threshold.high = spydata->spy_thr_high;  in iw_send_thrspy_event()
182 	wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold);  in iw_send_thrspy_event()
185 /* ---------------------------------------------------------------- */
198 	int			match = -1;  in wireless_spy_update()
205 	for (i = 0; i < spydata->spy_number; i++)  in wireless_spy_update()
206 		if (ether_addr_equal(address, spydata->spy_address[i])) {  in wireless_spy_update()
207 			memcpy(&(spydata->spy_stat[i]), wstats,  in wireless_spy_update()
212 	/* Generate an event if we cross the spy threshold.  in wireless_spy_update()
214 	 * event only when we go under the low threshold or above the  in wireless_spy_update()
215 	 * high threshold. */  in wireless_spy_update()
217 		if (spydata->spy_thr_under[match]) {  in wireless_spy_update()
218 			if (wstats->level > spydata->spy_thr_high.level) {  in wireless_spy_update()
219 				spydata->spy_thr_under[match] = 0;  in wireless_spy_update()
224 			if (wstats->level < spydata->spy_thr_low.level) {  in wireless_spy_update()
225 				spydata->spy_thr_under[match] = 1;  in wireless_spy_update()