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authorThomas Pedersen <c_tpeder@qca.qualcomm.com>2012-06-21 11:09:54 -0700
committerJohannes Berg <johannes.berg@intel.com>2012-06-26 09:32:28 +0200
commit88e920b4505105b710f8d4a535ec02c4078f8e2e (patch)
treef4e49c2b29fcd49e49b50aa9129dccd6d1654467 /net/wireless
parentd0f718c1c0dfcb67f3af47a1fc4de7784974d1f7 (diff)
downloadlinux-88e920b4505105b710f8d4a535ec02c4078f8e2e.tar.bz2
nl80211: specify RSSI threshold in scheduled scan
Support configuring an RSSI threshold in dBm (s32) when requesting scheduled scan, below which a BSS won't be reported by the cfg80211 driver. Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 888fadc4d63e..234ff3bbd104 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -340,6 +340,7 @@ static const struct nla_policy
nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_SSID_LEN },
+ [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
};
/* ifidx get helper */
@@ -4387,7 +4388,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
nla_for_each_nested(attr,
info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp) {
- struct nlattr *ssid;
+ struct nlattr *ssid, *rssi;
nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
@@ -4403,6 +4404,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
request->match_sets[i].ssid.ssid_len =
nla_len(ssid);
}
+ rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
+ if (rssi)
+ request->rssi_thold = nla_get_u32(rssi);
+ else
+ request->rssi_thold =
+ NL80211_SCAN_RSSI_THOLD_OFF;
i++;
}
}