On Wed, Jun 20, 2012 at 10:26:59AM +0200, Johannes Berg wrote:
> On Tue, 2012-06-19 at 10:33 -0700, Thomas Pedersen wrote:
> > Support configuring an RSSI threshold in dBm (s32) when requesting
> > scheduled scan, below which a BSS won't be reported by the cfg80211
> > driver.
>
> > @@ -4241,7 +4242,7 @@ 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),
> > @@ -4257,6 +4258,9 @@ 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);
>
> I was going to apply this, but then I realized ... if userspace doesn't
> set the value then the default is 0 which is a bit useless, better set
> to a very small negative value or something, right?
OK. I was still treating the '0' threshold as "off" in the driver, but
this is more consistent. Will submit a v4 shortly.
Thanks,
Thomas
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