This patch modifies d80211 to support wireless statistics.
Signed-Off-By: Larry Finger <[EMAIL PROTECTED]>
---
John,
Please add to wireless-dev.
Larry
Index: wireless-dev/include/net/d80211.h
===================================================================
--- wireless-dev.orig/include/net/d80211.h
+++ wireless-dev/include/net/d80211.h
@@ -195,6 +195,8 @@ struct ieee80211_rx_status {
int channel;
int phymode;
int ssi;
+ int signal;
+ int noise;
int antenna;
int rate;
int flag;
@@ -479,6 +481,8 @@ struct ieee80211_hw {
/* This is the time in us to change channels
*/
int channel_change_time;
+ /* This is maximum value for rssi reported by this device */
+ int maxssi;
int num_modes;
struct ieee80211_hw_modes *modes;
Index: wireless-dev/net/d80211/ieee80211.c
===================================================================
--- wireless-dev.orig/net/d80211/ieee80211.c
+++ wireless-dev/net/d80211/ieee80211.c
@@ -3152,6 +3152,8 @@ ieee80211_rx_h_sta_process(struct ieee80
sta->rx_fragments++;
sta->rx_bytes += rx->skb->len;
sta->last_rssi = rx->u.rx.status->ssi;
+ sta->last_signal = rx->u.rx.status->signal;
+ sta->last_noise = rx->u.rx.status->noise;
if (!(rx->fc & IEEE80211_FCTL_MOREFRAGS)) {
/* Change STA power saving mode only in the end of a frame
Index: wireless-dev/net/d80211/ieee80211_i.h
===================================================================
--- wireless-dev.orig/net/d80211/ieee80211_i.h
+++ wireless-dev/net/d80211/ieee80211_i.h
@@ -336,6 +336,7 @@ struct ieee80211_local {
struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
int open_count;
int monitors;
+ struct iw_statistics wstats;
struct ieee80211_conf conf;
int dev_index;
Index: wireless-dev/net/d80211/ieee80211_ioctl.c
===================================================================
--- wireless-dev.orig/net/d80211/ieee80211_ioctl.c
+++ wireless-dev/net/d80211/ieee80211_ioctl.c
@@ -1586,6 +1586,16 @@ static int ieee80211_ioctl_giwrange(stru
range->min_frag = 256;
range->max_frag = 2346;
+ range->max_qual.qual = 100;
+ range->max_qual.level = 146; /* set floor at -110 dBm (146 - 256) */
+ range->max_qual.noise = 146;
+ range->max_qual.updated = IW_QUAL_ALL_UPDATED;
+
+ range->avg_qual.qual = 50;
+ range->avg_qual.level = 0;
+ range->avg_qual.noise = 0;
+ range->avg_qual.updated = IW_QUAL_ALL_UPDATED;
+
return 0;
}
@@ -2973,6 +2983,39 @@ static int ieee80211_ioctl_siwauth(struc
return ret;
}
+/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS
*/
+static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device
*net_dev)
+{
+ struct ieee80211_local *local = net_dev->ieee80211_ptr;
+ struct iw_statistics * wstats = &local->wstats;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(net_dev);
+ struct sta_info *sta;
+ static int tmp_level = 0;
+ static int tmp_qual = 0;
+
+ sta = sta_info_get(local, sdata->u.sta.bssid);
+ if (!sta) {
+ wstats->discard.fragment = 0;
+ wstats->discard.misc = 0;
+ wstats->qual.qual = 0;
+ wstats->qual.level = 0;
+ wstats->qual.noise = 0;
+ wstats->qual.updated = IW_QUAL_ALL_INVALID;
+ } else {
+ if (!tmp_level) { /* get initial values */
+ tmp_level = sta->last_signal;
+ tmp_qual = sta->last_rssi;
+ } else { /* smooth results */
+ tmp_level = (15 * tmp_level + sta->last_signal)/16;
+ tmp_qual = (15 * tmp_qual + sta->last_rssi)/16;
+ }
+ wstats->qual.level = tmp_level;
+ wstats->qual.qual = 100*tmp_qual/local->hw->maxssi;
+ wstats->qual.noise = sta->last_noise;
+ wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
+ }
+ return wstats;
+}
static int ieee80211_ioctl_giwauth(struct net_device *dev,
struct iw_request_info *info,
@@ -3162,6 +3205,7 @@ const struct iw_handler_def ieee80211_iw
.standard = (iw_handler *) ieee80211_handler,
.private = (iw_handler *) ieee80211_private_handler,
.private_args = (struct iw_priv_args *) ieee80211_ioctl_priv,
+ .get_wireless_stats = ieee80211_get_wireless_stats,
};
/* Wireless handlers for master interface */
Index: wireless-dev/net/d80211/ieee80211_sysfs_sta.c
===================================================================
--- wireless-dev.orig/net/d80211/ieee80211_sysfs_sta.c
+++ wireless-dev/net/d80211/ieee80211_sysfs_sta.c
@@ -48,7 +48,7 @@ static ssize_t show_sta_##name(const str
#define __STA_ATTR(name) \
static struct sta_attribute sta_attr_##name = \
- __ATTR(name, S_IRUSR, show_sta_##name, NULL)
+ __ATTR(name, S_IRUGO, show_sta_##name, NULL)
#define STA_ATTR(name, field, format) \
STA_SHOW_##format(name, field) \
@@ -72,6 +72,8 @@ STA_ATTR(last_txrate, last_txrate, RATE)
STA_ATTR(tx_retry_failed, tx_retry_failed, LU);
STA_ATTR(tx_retry_count, tx_retry_count, LU);
STA_ATTR(last_rssi, last_rssi, D);
+STA_ATTR(last_signal, last_signal, D);
+STA_ATTR(last_noise, last_noise, D);
STA_ATTR(channel_use, channel_use, D);
STA_ATTR(wep_weak_iv_count, wep_weak_iv_count, D);
@@ -174,6 +176,8 @@ static struct attribute *sta_ktype_attrs
&sta_attr_tx_retry_failed.attr,
&sta_attr_tx_retry_count.attr,
&sta_attr_last_rssi.attr,
+ &sta_attr_last_signal.attr,
+ &sta_attr_last_noise.attr,
&sta_attr_channel_use.attr,
&sta_attr_wep_weak_iv_count.attr,
Index: wireless-dev/net/d80211/sta_info.h
===================================================================
--- wireless-dev.orig/net/d80211/sta_info.h
+++ wireless-dev/net/d80211/sta_info.h
@@ -82,6 +82,8 @@ struct sta_info {
unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
int last_rssi; /* RSSI of last received frame from this STA */
+ int last_signal; /* signal of last received frame from this STA */
+ int last_noise; /* noise of last received frame from this STA */
int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
unsigned long last_ack;
int channel_use;
-
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