Commit bef9cb58 authored by John W. Linville's avatar John W. Linville

libertas_tf: add get_survey callback in order to get channel noise

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 19434148
......@@ -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 */
......
......@@ -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;
......
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