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authorDavid S. Miller <davem@davemloft.net>2009-12-30 13:51:29 -0800
committerDavid S. Miller <davem@davemloft.net>2009-12-30 13:51:29 -0800
commit3a999e6eb5d277cd6a321dcda3fc43c3d9e4e4b8 (patch)
treeb0ad8d03710ee556e97515ba1c949233859391ce /drivers/net/wireless/iwlwifi
parent6cd9b49d7328c4656bfc17fcb47fb814955d40d2 (diff)
parent891dc5e73783eeabd2a704a9425e2a199b39c9f9 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c10
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c20
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c48
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c41
7 files changed, 17 insertions, 109 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index d1bab141508..28ffe4c826d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -681,19 +681,13 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
snr = rx_stats_sig_avg / rx_stats_noise_diff;
rx_status.noise = rx_status.signal -
iwl3945_calc_db_from_ratio(snr);
- rx_status.qual = iwl3945_calc_sig_qual(rx_status.signal,
- rx_status.noise);
-
- /* If noise info not available, calculate signal quality indicator (%)
- * using just the dBm signal level. */
} else {
rx_status.noise = priv->last_rx_noise;
- rx_status.qual = iwl3945_calc_sig_qual(rx_status.signal, 0);
}
- IWL_DEBUG_STATS(priv, "Rssi %d noise %d qual %d sig_avg %d noise_diff %d\n",
- rx_status.signal, rx_status.noise, rx_status.qual,
+ IWL_DEBUG_STATS(priv, "Rssi %d noise %d sig_avg %d noise_diff %d\n",
+ rx_status.signal, rx_status.noise,
rx_stats_sig_avg, rx_stats_noise_diff);
header = (struct ieee80211_hdr *)IWL_RX_DATA(pkt);
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 28f6eb5f2cb..3ec2fe370b5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -222,7 +222,6 @@ struct iwl3945_ibss_seq {
*
*****************************************************************************/
extern int iwl3945_calc_db_from_ratio(int sig_ratio);
-extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
extern void iwl3945_rx_replenish(void *data);
extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index fe511cbf012..b93e4915819 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -150,7 +150,7 @@ static s32 expected_tpt_mimo3_40MHz[4][IWL_RATE_COUNT] = {
};
/* mbps, mcs */
-const static struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = {
+static const struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = {
{ "1", "BPSK DSSS"},
{ "2", "QPSK DSSS"},
{"5.5", "BPSK CCK"},
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e3b96b48b7f..14f482960d7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2584,12 +2584,12 @@ int iwl_set_mode(struct iwl_priv *priv, int mode)
EXPORT_SYMBOL(iwl_set_mode);
int iwl_mac_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
- IWL_DEBUG_MAC80211(priv, "enter: type %d\n", conf->type);
+ IWL_DEBUG_MAC80211(priv, "enter: type %d\n", vif->type);
if (priv->vif) {
IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
@@ -2597,19 +2597,19 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw,
}
spin_lock_irqsave(&priv->lock, flags);
- priv->vif = conf->vif;
- priv->iw_mode = conf->type;
+ priv->vif = vif;
+ priv->iw_mode = vif->type;
spin_unlock_irqrestore(&priv->lock, flags);
mutex_lock(&priv->mutex);
- if (conf->mac_addr) {
- IWL_DEBUG_MAC80211(priv, "Set %pM\n", conf->mac_addr);
- memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
+ if (vif->addr) {
+ IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr);
+ memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
}
- if (iwl_set_mode(priv, conf->type) == -EAGAIN)
+ if (iwl_set_mode(priv, vif->type) == -EAGAIN)
/* we are not ready, will run again when ready */
set_bit(STATUS_MODE_PENDING, &priv->status);
@@ -2621,7 +2621,7 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw,
EXPORT_SYMBOL(iwl_mac_add_interface);
void iwl_mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
@@ -2634,7 +2634,7 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwlcore_commit_rxon(priv);
}
- if (priv->vif == conf->vif) {
+ if (priv->vif == vif) {
priv->vif = NULL;
memset(priv->bssid, 0, ETH_ALEN);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 308f679ef81..3ef86f6c775 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -332,9 +332,9 @@ int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
int iwl_commit_rxon(struct iwl_priv *priv);
int iwl_set_mode(struct iwl_priv *priv, int mode);
int iwl_mac_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf);
+ struct ieee80211_vif *vif);
void iwl_mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf);
+ struct ieee80211_vif *vif);
int iwl_mac_config(struct ieee80211_hw *hw, u32 changed);
void iwl_config_ap(struct iwl_priv *priv);
int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index f5c87e72660..6f36b6e79f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -650,47 +650,6 @@ void iwl_reply_statistics(struct iwl_priv *priv,
}
EXPORT_SYMBOL(iwl_reply_statistics);
-#define PERFECT_RSSI (-20) /* dBm */
-#define WORST_RSSI (-95) /* dBm */
-#define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI)
-
-/* Calculate an indication of rx signal quality (a percentage, not dBm!).
- * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info
- * about formulas used below. */
-static int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm)
-{
- int sig_qual;
- int degradation = PERFECT_RSSI - rssi_dbm;
-
- /* If we get a noise measurement, use signal-to-noise ratio (SNR)
- * as indicator; formula is (signal dbm - noise dbm).
- * SNR at or above 40 is a great signal (100%).
- * Below that, scale to fit SNR of 0 - 40 dB within 0 - 100% indicator.
- * Weakest usable signal is usually 10 - 15 dB SNR. */
- if (noise_dbm) {
- if (rssi_dbm - noise_dbm >= 40)
- return 100;
- else if (rssi_dbm < noise_dbm)
- return 0;
- sig_qual = ((rssi_dbm - noise_dbm) * 5) / 2;
-
- /* Else use just the signal level.
- * This formula is a least squares fit of data points collected and
- * compared with a reference system that had a percentage (%) display
- * for signal quality. */
- } else
- sig_qual = (100 * (RSSI_RANGE * RSSI_RANGE) - degradation *
- (15 * RSSI_RANGE + 62 * degradation)) /
- (RSSI_RANGE * RSSI_RANGE);
-
- if (sig_qual > 100)
- sig_qual = 100;
- else if (sig_qual < 1)
- sig_qual = 0;
-
- return sig_qual;
-}
-
/* Calc max signal level (dBm) among 3 possible receivers */
static inline int iwl_calc_rssi(struct iwl_priv *priv,
struct iwl_rx_phy_res *rx_resp)
@@ -1101,11 +1060,8 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
if (iwl_is_associated(priv) &&
!test_bit(STATUS_SCANNING, &priv->status)) {
rx_status.noise = priv->last_rx_noise;
- rx_status.qual = iwl_calc_sig_qual(rx_status.signal,
- rx_status.noise);
} else {
rx_status.noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
- rx_status.qual = iwl_calc_sig_qual(rx_status.signal, 0);
}
/* Reset beacon noise level if not associated. */
@@ -1118,8 +1074,8 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
iwl_dbg_report_frame(priv, phy_res, len, header, 1);
#endif
iwl_dbg_log_rx_data_frame(priv, len, header);
- IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, noise %d, qual %d, TSF %llu\n",
- rx_status.signal, rx_status.noise, rx_status.qual,
+ IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, noise %d, TSF %llu\n",
+ rx_status.signal, rx_status.noise,
(unsigned long long)rx_status.mactime);
/*
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 6533122ed87..10b0aa8024c 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1299,47 +1299,6 @@ int iwl3945_calc_db_from_ratio(int sig_ratio)
return (int)ratio2dB[sig_ratio];
}
-#define PERFECT_RSSI (-20) /* dBm */
-#define WORST_RSSI (-95) /* dBm */
-#define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI)
-
-/* Calculate an indication of rx signal quality (a percentage, not dBm!).
- * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info
- * about formulas used below. */
-int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm)
-{
- int sig_qual;
- int degradation = PERFECT_RSSI - rssi_dbm;
-
- /* If we get a noise measurement, use signal-to-noise ratio (SNR)
- * as indicator; formula is (signal dbm - noise dbm).
- * SNR at or above 40 is a great signal (100%).
- * Below that, scale to fit SNR of 0 - 40 dB within 0 - 100% indicator.
- * Weakest usable signal is usually 10 - 15 dB SNR. */
- if (noise_dbm) {
- if (rssi_dbm - noise_dbm >= 40)
- return 100;
- else if (rssi_dbm < noise_dbm)
- return 0;
- sig_qual = ((rssi_dbm - noise_dbm) * 5) / 2;
-
- /* Else use just the signal level.
- * This formula is a least squares fit of data points collected and
- * compared with a reference system that had a percentage (%) display
- * for signal quality. */
- } else
- sig_qual = (100 * (RSSI_RANGE * RSSI_RANGE) - degradation *
- (15 * RSSI_RANGE + 62 * degradation)) /
- (RSSI_RANGE * RSSI_RANGE);
-
- if (sig_qual > 100)
- sig_qual = 100;
- else if (sig_qual < 1)
- sig_qual = 0;
-
- return sig_qual;
-}
-
/**
* iwl3945_rx_handle - Main entry function for receiving responses from uCode
*