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nl80211: Support setting sched scan RSSI threshold

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Allow the user to configure an RSSI threshold in dBm below which the
nl80211 driver won't report scan results. Currently only supported
during scheduled (PNO) scans.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Thomas Pedersen 2012-07-25 16:56:43 +03:00 • committed by Jouni Malinen
parent cae2119c86
commit bf8d6d2430
5 changed files with 37 additions and 2 deletions
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18
src/drivers/driver_nl80211.c
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@ -3612,6 +3612,7 @@ static int wpa_driver_nl80211_sched_scan(void *priv,
struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = 0;
struct nl_msg *msg, *ssids, *freqs, *match_set_ssid, *match_sets;
struct nl_msg *match_set_rssi;
size_t i;
#ifdef ANDROID
@ -3640,8 +3641,9 @@ static int wpa_driver_nl80211_sched_scan(void *priv,
NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
if (drv->num_filter_ssids &&
(int) drv->num_filter_ssids <= drv->capa.max_match_sets) {
if ((drv->num_filter_ssids &&
(int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
params->filter_rssi) {
match_sets = nlmsg_alloc();
for (i = 0; i < drv->num_filter_ssids; i++) {
@ -3661,6 +3663,18 @@ static int wpa_driver_nl80211_sched_scan(void *priv,
nlmsg_free(match_set_ssid);
}
if (params->filter_rssi) {
match_set_rssi = nlmsg_alloc();
NLA_PUT_U32(match_set_rssi,
NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
params->filter_rssi);
wpa_printf(MSG_MSGDUMP,
"nl80211: Sched scan RSSI filter %d dBm",
params->filter_rssi);
nla_put_nested(match_sets, 0, match_set_rssi);
nlmsg_free(match_set_rssi);
}
nla_put_nested(msg, NL80211_ATTR_SCHED_SCAN_MATCH,
match_sets);
nlmsg_free(match_sets);