p54: 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 wlan4
	frequency:				5200 MHz [in use]
	noise:					-91 dBm
	channel active time:			811909 ms
	channel busy time:			63395 ms
	channel transmit time:			59636 ms
Survey data from wlan4
	frequency:				5210 MHz
	noise:					-91 dBm
	channel active time:			121 ms
	channel busy time:			119 ms
	channel transmit time:			0 ms

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index 799d05e12595..452fa3a64aa1 100644
--- a/drivers/net/wireless/p54/p54.h
+++ b/drivers/net/wireless/p54/p54.h
@@ -199,6 +199,22 @@ struct p54_common {
         u8 tx_diversity_mask;
         unsigned int output_power;
         struct p54_rssi_db_entry *cur_rssi;
+        struct ieee80211_channel *curchan;
+        struct survey_info *survey;
+        unsigned int chan_num;
+        struct completion stat_comp;
+        bool update_stats;
+        struct {
+                unsigned int timestamp;
+                unsigned int cached_cca;
+                unsigned int cached_tx;
+                unsigned int cached_rssi;
+                u64 active;
+                u64 cca;
+                u64 tx;
+                u64 rssi;
+        } survey_raw;
+
         int noise;
         /* calibration, output power limit and rssi<->dBm conversation data */
         struct pda_iq_autocal_entry *iq_autocal;
@@ -220,6 +236,8 @@ struct p54_common {
         u32 basic_rate_mask;
         u16 aid;
         u8 coverage_class;
+        bool phy_idle;
+        bool phy_ps;
         bool powersave_override;
         __le32 beacon_req_id;
         struct completion beacon_comp;