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nl80211: Add BSS parameters to station

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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>
This commit is contained in:
Paul Stewart
2011-03-31 09:25:41 -07:00
committed by John W. Linville
parent 8447c163af
commit f4263c9857
4 changed files with 100 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/nl80211.h
+34 -1
View File
@@ -1221,6 +1221,36 @@ enum nl80211_rate_info {
NL80211_RATE_INFO_MAX = __NL80211_RATE_INFO_AFTER_LAST - 1
};
/**
* enum nl80211_sta_bss_param - BSS information collected by STA
*
* These attribute types are used with %NL80211_STA_INFO_BSS_PARAM
* when getting information about the bitrate of a station.
*
* @__NL80211_STA_BSS_PARAM_INVALID: attribute number 0 is reserved
* @NL80211_STA_BSS_PARAM_CTS_PROT: whether CTS protection is enabled (flag)
* @NL80211_STA_BSS_PARAM_SHORT_PREAMBLE: whether short preamble is enabled
* (flag)
* @NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME: whether short slot time is enabled
* (flag)
* @NL80211_STA_BSS_PARAM_DTIM_PERIOD: DTIM period for beaconing (u8)
* @NL80211_STA_BSS_PARAM_BEACON_INTERVAL: Beacon interval (u16)
* @NL80211_STA_BSS_PARAM_MAX: highest sta_bss_param number currently defined
* @__NL80211_STA_BSS_PARAM_AFTER_LAST: internal use
*/
enum nl80211_sta_bss_param {
__NL80211_STA_BSS_PARAM_INVALID,
NL80211_STA_BSS_PARAM_CTS_PROT,
NL80211_STA_BSS_PARAM_SHORT_PREAMBLE,
NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME,
NL80211_STA_BSS_PARAM_DTIM_PERIOD,
NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
/* keep last */
__NL80211_STA_BSS_PARAM_AFTER_LAST,
NL80211_STA_BSS_PARAM_MAX = __NL80211_STA_BSS_PARAM_AFTER_LAST - 1
};
/**
* enum nl80211_sta_info - station information
*
@@ -1233,7 +1263,7 @@ enum nl80211_rate_info {
* @NL80211_STA_INFO_TX_BYTES: total transmitted bytes (u32, to this station)
* @NL80211_STA_INFO_SIGNAL: signal strength of last received PPDU (u8, dBm)
* @NL80211_STA_INFO_TX_BITRATE: current unicast tx rate, nested attribute
* containing info as possible, see &enum nl80211_sta_info_txrate.
* containing info as possible, see &enum nl80211_rate_info
* @NL80211_STA_INFO_RX_PACKETS: total received packet (u32, from this station)
* @NL80211_STA_INFO_TX_PACKETS: total transmitted packets (u32, to this
* station)
@@ -1245,6 +1275,8 @@ enum nl80211_rate_info {
* @NL80211_STA_INFO_PLINK_STATE: peer link state for the station
* @NL80211_STA_INFO_RX_BITRATE: last unicast data frame rx rate, nested
* attribute, like NL80211_STA_INFO_TX_BITRATE.
* @NL80211_STA_INFO_BSS_PARAM: current station's view of BSS, nested attribute
* containing info as possible, see &enum nl80211_sta_bss_param
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@@ -1264,6 +1296,7 @@ enum nl80211_sta_info {
NL80211_STA_INFO_TX_FAILED,
NL80211_STA_INFO_SIGNAL_AVG,
NL80211_STA_INFO_RX_BITRATE,
NL80211_STA_INFO_BSS_PARAM,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
include/net/cfg80211.h
+34
View File
@@ -422,6 +422,7 @@ struct station_parameters {
* @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 @@ enum station_info_flags {
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,
};
/**
@@ -472,6 +474,37 @@ struct rate_info {
u16 legacy;
};
/**
* 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
*
@@ -515,6 +548,7 @@ struct station_info {
u32 tx_retries;
u32 tx_failed;
u32 rx_dropped_misc;
struct sta_bss_parameters bss_param;
int generation;
};