nl80211: Add BSS parameters to station
This allows user-space monitoring of BSS parameters for the associated
station. This is useful for debugging and verifying that the paramaters
are as expected.
[Exactly the same as before but bundled into a single message]
Signed-off-by: Paul Stewart <pstew@chromium.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 2c45304..ba7384a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -422,6 +422,7 @@
* @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled
* @STATION_INFO_SIGNAL_AVG: @signal_avg filled
* @STATION_INFO_RX_BITRATE: @rxrate fields are filled
+ * @STATION_INFO_BSS_PARAM: @bss_param filled
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
@@ -439,6 +440,7 @@
STATION_INFO_RX_DROP_MISC = 1<<12,
STATION_INFO_SIGNAL_AVG = 1<<13,
STATION_INFO_RX_BITRATE = 1<<14,
+ STATION_INFO_BSS_PARAM = 1<<15,
};
/**
@@ -473,6 +475,37 @@
};
/**
+ * enum station_info_rate_flags - bitrate info flags
+ *
+ * Used by the driver to indicate the specific rate transmission
+ * type for 802.11n transmissions.
+ *
+ * @BSS_PARAM_FLAGS_CTS_PROT: whether CTS protection is enabled
+ * @BSS_PARAM_FLAGS_SHORT_PREAMBLE: whether short preamble is enabled
+ * @BSS_PARAM_FLAGS_SHORT_SLOT_TIME: whether short slot time is enabled
+ */
+enum bss_param_flags {
+ BSS_PARAM_FLAGS_CTS_PROT = 1<<0,
+ BSS_PARAM_FLAGS_SHORT_PREAMBLE = 1<<1,
+ BSS_PARAM_FLAGS_SHORT_SLOT_TIME = 1<<2,
+};
+
+/**
+ * struct sta_bss_parameters - BSS parameters for the attached station
+ *
+ * Information about the currently associated BSS
+ *
+ * @flags: bitflag of flags from &enum bss_param_flags
+ * @dtim_period: DTIM period for the BSS
+ * @beacon_interval: beacon interval
+ */
+struct sta_bss_parameters {
+ u8 flags;
+ u8 dtim_period;
+ u16 beacon_interval;
+};
+
+/**
* struct station_info - station information
*
* Station information filled by driver for get_station() and dump_station.
@@ -515,6 +548,7 @@
u32 tx_retries;
u32 tx_failed;
u32 rx_dropped_misc;
+ struct sta_bss_parameters bss_param;
int generation;
};