carl9170: improve site survey
The firmware keeps track of channel usage. This data can
be used by the automatic channel selection to find the
*best* channel.
Survey data from wlan22
frequency: 2412 MHz [in use]
noise: -86 dBm
channel active time: 3339608 ms
channel busy time: 270982 ms
channel transmit time: 121515 ms
Survey data from wlan22
frequency: 2417 MHz
noise: -86 dBm
channel active time: 70 ms
channel busy time: 2 ms
channel transmit time: 1 ms
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/carl9170/cmd.h b/drivers/net/wireless/ath/carl9170/cmd.h
index d5f95bd..885c427 100644
--- a/drivers/net/wireless/ath/carl9170/cmd.h
+++ b/drivers/net/wireless/ath/carl9170/cmd.h
@@ -50,6 +50,7 @@
int carl9170_reboot(struct ar9170 *ar);
int carl9170_mac_reset(struct ar9170 *ar);
int carl9170_powersave(struct ar9170 *ar, const bool power_on);
+int carl9170_collect_tally(struct ar9170 *ar);
int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id,
const u32 mode, const u32 addr, const u32 len);