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path: root/drivers/net/wireless/b43legacy/main.c
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Diffstat (limited to 'drivers/net/wireless/b43legacy/main.c')
-rw-r--r--drivers/net/wireless/b43legacy/main.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 1d070be5a678..1713f5f7a58b 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -40,6 +40,7 @@
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
#include <net/dst.h>
#include <asm/unaligned.h>
@@ -3481,6 +3482,23 @@ static int b43legacy_op_beacon_set_tim(struct ieee80211_hw *hw,
return 0;
}
+static int b43legacy_op_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+ struct b43legacy_wldev *dev = wl->current_dev;
+ struct ieee80211_conf *conf = &hw->conf;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ survey->channel = conf->channel;
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = dev->stats.link_noise;
+
+ return 0;
+}
+
static const struct ieee80211_ops b43legacy_hw_ops = {
.tx = b43legacy_op_tx,
.conf_tx = b43legacy_op_conf_tx,
@@ -3493,6 +3511,7 @@ static const struct ieee80211_ops b43legacy_hw_ops = {
.start = b43legacy_op_start,
.stop = b43legacy_op_stop,
.set_tim = b43legacy_op_beacon_set_tim,
+ .get_survey = b43legacy_op_get_survey,
.rfkill_poll = b43legacy_rfkill_poll,
};
@@ -3768,8 +3787,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev)
/* fill hw info */
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM;
+ IEEE80211_HW_SIGNAL_DBM;
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |