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nl80211: Add signal strength and bandwith to nl80211station info

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This patch adds signal strength and transmission bitrate
to the station_info of nl80211.

Signed-off-by: Henning Rogge <rogge@fgan.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Henning Rogge
2008-12-11 22:04:19 +01:00
committed by John W. Linville
parent 221b3d60cb
commit 420e7fabd9
4 changed files with 152 additions and 2 deletions
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include/net/cfg80211.h
+40
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@@ -169,6 +169,9 @@ struct station_parameters {
* @STATION_INFO_LLID: @llid filled
* @STATION_INFO_PLID: @plid filled
* @STATION_INFO_PLINK_STATE: @plink_state filled
* @STATION_INFO_SIGNAL: @signal filled
* @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
* (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
@@ -177,6 +180,39 @@ enum station_info_flags {
STATION_INFO_LLID = 1<<3,
STATION_INFO_PLID = 1<<4,
STATION_INFO_PLINK_STATE = 1<<5,
STATION_INFO_SIGNAL = 1<<6,
STATION_INFO_TX_BITRATE = 1<<7,
};
/**
* enum station_info_rate_flags - bitrate info flags
*
* Used by the driver to indicate the specific rate transmission
* type for 802.11n transmissions.
*
* @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
* @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
* @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
*/
enum rate_info_flags {
RATE_INFO_FLAGS_MCS = 1<<0,
RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
RATE_INFO_FLAGS_SHORT_GI = 1<<2,
};
/**
* struct rate_info - bitrate information
*
* Information about a receiving or transmitting bitrate
*
* @flags: bitflag of flags from &enum rate_info_flags
* @mcs: mcs index if struct describes a 802.11n bitrate
* @legacy: bitrate in 100kbit/s for 802.11abg
*/
struct rate_info {
u8 flags;
u8 mcs;
u16 legacy;
};
/**
@@ -191,6 +227,8 @@ enum station_info_flags {
* @llid: mesh local link id
* @plid: mesh peer link id
* @plink_state: mesh peer link state
* @signal: signal strength of last received packet in dBm
* @txrate: current unicast bitrate to this station
*/
struct station_info {
u32 filled;
@@ -200,6 +238,8 @@ struct station_info {
u16 llid;
u16 plid;
u8 plink_state;
s8 signal;
struct rate_info txrate;
};
/**