Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
---
_Is_ the noise floor actually reported in dBm? Or some other unit?
drivers/net/wireless/libertas_tf/libertas_tf.h | 3 +++
drivers/net/wireless/libertas_tf/main.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/libertas_tf/libertas_tf.h b/drivers/net/wireless/libertas_tf/libertas_tf.h
index 737eac9..ad77b92 100644
--- a/drivers/net/wireless/libertas_tf/libertas_tf.h
+++ b/drivers/net/wireless/libertas_tf/libertas_tf.h
@@ -253,6 +253,9 @@ struct lbtf_private {
u8 fw_ready;
u8 surpriseremoved;
struct sk_buff_head bc_ps_buf;
+
+ /* Most recently reported noise in dBm */
+ s8 noise;
};
/* 802.11-related definitions */
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 817fffc..9278b3c 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -525,6 +525,22 @@ static void lbtf_op_bss_info_changed(struct ieee80211_hw *hw,
lbtf_deb_leave(LBTF_DEB_MACOPS);
}
+static int lbtf_op_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct lbtf_private *priv = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ survey->channel = conf->channel;
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = priv->noise;
+
+ return 0;
+}
+
static const struct ieee80211_ops lbtf_ops = {
.tx = lbtf_op_tx,
.start = lbtf_op_start,
@@ -535,6 +551,7 @@ static const struct ieee80211_ops lbtf_ops = {
.prepare_multicast = lbtf_op_prepare_multicast,
.configure_filter = lbtf_op_configure_filter,
.bss_info_changed = lbtf_op_bss_info_changed,
+ .get_survey = lbtf_op_get_survey,
};
int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
@@ -555,6 +572,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
stats.freq = priv->cur_freq;
stats.band = IEEE80211_BAND_2GHZ;
stats.signal = prxpd->snr;
+ priv->noise = prxpd->nf;
/* Marvell rate index has a hole at value 4 */
if (prxpd->rx_rate > 4)
--prxpd->rx_rate;
--
1.7.1.1
--
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