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mac80211: deprecate RX status noise

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The noise value as is won't be used, isn't
filled by most drivers and doesn't really
make a whole lot of sense on a per packet
basis -- proper cfg80211 survey support in
mac80211 will need to be different.

Mark the struct member as deprecated so it
will be removed from drivers.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-02-17 21:27:26 +01:00 committed by John W. Linville
parent 31f66be44a
commit 62bb2ac5cb
4 changed files with 2 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/net/mac80211.h
View File

@ -543,7 +543,7 @@ enum mac80211_rx_flags {
* @signal: signal strength when receiving this frame, either in dBm, in dB or
* unspecified depending on the hardware capabilities flags
* @IEEE80211_HW_SIGNAL_*
* @noise: noise when receiving this frame, in dBm.
* @noise: noise when receiving this frame, in dBm (DEPRECATED).
* @antenna: antenna used
* @rate_idx: index of data rate into band's supported rates or MCS index if
* HT rates are use (RX_FLAG_HT)
@ -554,7 +554,7 @@ struct ieee80211_rx_status {
enum ieee80211_band band;
int freq;
int signal;
int noise;
int noise __deprecated;
int antenna;
int rate_idx;
int flag;

2
net/mac80211/debugfs_sta.c
View File

@ -57,7 +57,6 @@ STA_FILE(tx_filtered, tx_filtered_count, LU);
STA_FILE(tx_retry_failed, tx_retry_failed, LU);
STA_FILE(tx_retry_count, tx_retry_count, LU);
STA_FILE(last_signal, last_signal, D);
STA_FILE(last_noise, last_noise, D);
STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
@ -289,7 +288,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(tx_retry_failed);
DEBUGFS_ADD(tx_retry_count);
DEBUGFS_ADD(last_signal);
DEBUGFS_ADD(last_noise);
DEBUGFS_ADD(wep_weak_iv_count);
DEBUGFS_ADD(ht_capa);
}

9
net/mac80211/rx.c
View File

@ -178,14 +178,6 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos++;
}
/* IEEE80211_RADIOTAP_DBM_ANTNOISE */
if (local->hw.flags & IEEE80211_HW_NOISE_DBM) {
*pos = status->noise;
rthdr->it_present |=
cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE);
pos++;
}
/* IEEE80211_RADIOTAP_LOCK_QUALITY is missing */
/* IEEE80211_RADIOTAP_ANTENNA */
@ -1077,7 +1069,6 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->rx_fragments++;
sta->rx_bytes += rx->skb->len;
sta->last_signal = status->signal;
sta->last_noise = status->noise;
/*
* Change STA power saving mode only at the end of a frame

2
net/mac80211/sta_info.h
View File

@ -200,7 +200,6 @@ struct sta_ampdu_mlme {
* @rx_fragments: number of received MPDUs
* @rx_dropped: number of dropped MPDUs from this STA
* @last_signal: signal of last received frame from this STA
* @last_noise: noise of last received frame from this STA
* @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
* @tx_filtered_count: number of frames the hardware filtered for this STA
* @tx_retry_failed: number of frames that failed retry
@ -267,7 +266,6 @@ struct sta_info {
unsigned long rx_fragments;
unsigned long rx_dropped;
int last_signal;
int last_noise;
__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
/* Updated from TX status path only, no locking requirements */