[MAC80211]: remove unused ioctls (2)

The ioctls

 * PRISM2_PARAM_STA_ANTENNA_SEL
 * PRISM2_PARAM_TX_POWER_REDUCTION
 * PRISM2_PARAM_DEFAULT_WEP_ONLY

are not used by hostapd or wpa_supplicant.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/mac80211.h

@@ -296,7 +296,6 @@ struct ieee80211_conf {
 	u8 power_level;			/* transmit power limit for current
 					 * regulatory domain; in dBm */
 	u8 antenna_max;			/* maximum antenna gain */
-	short tx_power_reduction; /* in 0.1 dBm */
 
 	/* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */
 	u8 antenna_sel_tx;

net/mac80211/debugfs.c

@@ -110,9 +110,6 @@ DEBUGFS_READONLY_FILE(mode, 20, "%s",
 		      ieee80211_mode_str(local->hw.conf.phymode));
 DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
 		      local->wep_iv & 0xffffff);
-DEBUGFS_READONLY_FILE(tx_power_reduction, 20, "%d.%d dBm",
-		      local->hw.conf.tx_power_reduction / 10,
-		      local->hw.conf.tx_power_reduction % 10);
 DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
 		      local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
 
@@ -317,7 +314,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
 	DEBUGFS_ADD(total_ps_buffered);
 	DEBUGFS_ADD(mode);
 	DEBUGFS_ADD(wep_iv);
-	DEBUGFS_ADD(tx_power_reduction);
 	DEBUGFS_ADD(modes);
 
 	statsd = debugfs_create_dir("statistics", phyd);
@@ -382,7 +378,6 @@ void debugfs_hw_del(struct ieee80211_local *local)
 	DEBUGFS_DEL(total_ps_buffered);
 	DEBUGFS_DEL(mode);
 	DEBUGFS_DEL(wep_iv);
-	DEBUGFS_DEL(tx_power_reduction);
 	DEBUGFS_DEL(modes);
 
 	DEBUGFS_STATS_DEL(transmitted_fragment_count);

net/mac80211/hostapd_ioctl.h

@@ -32,10 +32,7 @@ enum {
 	PRISM2_PARAM_PREAMBLE = 1003,
 	PRISM2_PARAM_SHORT_SLOT_TIME = 1006,
 	PRISM2_PARAM_NEXT_MODE = 1008,
-	PRISM2_PARAM_STA_ANTENNA_SEL = 1017,
-	PRISM2_PARAM_TX_POWER_REDUCTION = 1022,
 	PRISM2_PARAM_KEY_TX_RX_THRESHOLD = 1024,
-	PRISM2_PARAM_DEFAULT_WEP_ONLY = 1026,
 	PRISM2_PARAM_WIFI_WME_NOACK_TEST = 1033,
 	PRISM2_PARAM_SCAN_FLAGS = 1035,
 	PRISM2_PARAM_HW_MODES = 1036,

net/mac80211/ieee80211_i.h

@@ -514,12 +514,6 @@ struct ieee80211_local {
 	struct work_struct sta_debugfs_add;
 #endif
 
-	enum {
-		STA_ANTENNA_SEL_AUTO = 0,
-		STA_ANTENNA_SEL_SW_CTRL = 1,
-		STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2
-	} sta_antenna_sel;
-
 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
 	/* TX/RX handler statistics */
 	unsigned int tx_handlers_drop;
@@ -555,10 +549,6 @@ struct ieee80211_local {
 	int total_ps_buffered; /* total number of all buffered unicast and
 				* multicast packets for power saving stations
 				*/
-	int allow_broadcast_always; /* whether to allow TX of broadcast frames
-				     * even when there are no associated STAs
-				     */
-
 	int wifi_wme_noack_test;
 	unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
 
@@ -585,7 +575,6 @@ struct ieee80211_local {
 		struct dentry *total_ps_buffered;
 		struct dentry *mode;
 		struct dentry *wep_iv;
-		struct dentry *tx_power_reduction;
 		struct dentry *modes;
 		struct dentry *statistics;
 		struct local_debugfsdentries_statsdentries {

net/mac80211/ieee80211_ioctl.c

@@ -1088,25 +1088,10 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
 		local->next_mode = value;
 		break;
 
-	case PRISM2_PARAM_STA_ANTENNA_SEL:
-		local->sta_antenna_sel = value;
-		break;
-
-	case PRISM2_PARAM_TX_POWER_REDUCTION:
-		if (value < 0)
-			ret = -EINVAL;
-		else
-			local->hw.conf.tx_power_reduction = value;
-		break;
-
 	case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
 		local->key_tx_rx_threshold = value;
 		break;
 
-	case PRISM2_PARAM_DEFAULT_WEP_ONLY:
-		ret = ieee80211_ioctl_default_wep_only(local, value);
-		break;
-
 	case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
 		local->wifi_wme_noack_test = value;
 		break;
@@ -1187,22 +1172,10 @@ static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
 		*param = local->next_mode;
 		break;
 
-	case PRISM2_PARAM_STA_ANTENNA_SEL:
-		*param = local->sta_antenna_sel;
-		break;
-
-	case PRISM2_PARAM_TX_POWER_REDUCTION:
-		*param = local->hw.conf.tx_power_reduction;
-		break;
-
 	case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
 		*param = local->key_tx_rx_threshold;
 		break;
 
-	case PRISM2_PARAM_DEFAULT_WEP_ONLY:
-		*param = local->default_wep_only;
-		break;
-
 	case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
 		*param = local->wifi_wme_noack_test;
 		break;

net/mac80211/rc80211_simple.c

@@ -147,14 +147,6 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev,
 	srctrl = sta->rate_ctrl_priv;
 	srctrl->tx_num_xmit++;
 	if (status->excessive_retries) {
-		sta->antenna_sel_tx = sta->antenna_sel_tx == 1 ? 2 : 1;
-		sta->antenna_sel_rx = sta->antenna_sel_rx == 1 ? 2 : 1;
-		if (local->sta_antenna_sel == STA_ANTENNA_SEL_SW_CTRL_DEBUG) {
-			printk(KERN_DEBUG "%s: " MAC_FMT " TX antenna --> %d "
-			       "RX antenna --> %d (@%lu)\n",
-			       dev->name, MAC_ARG(hdr->addr1),
-			       sta->antenna_sel_tx, sta->antenna_sel_rx, jiffies);
-		}
 		srctrl->tx_num_failures++;
 		sta->tx_retry_failed++;
 		sta->tx_num_consecutive_failures++;

net/mac80211/sta_info.h

@@ -90,10 +90,6 @@ struct sta_info {
 	int channel_use;
 	int channel_use_raw;
 
-	u8 antenna_sel_tx;
-	u8 antenna_sel_rx;
-
-
 	int key_idx_compression; /* key table index for compression and TX
 				  * filtering; used only if sta->key is not
 				  * set */

net/mac80211/tx.c

@@ -243,7 +243,6 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
 	} else {
 		if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
 			     tx->local->num_sta == 0 &&
-			     !tx->local->allow_broadcast_always &&
 			     tx->sdata->type != IEEE80211_IF_TYPE_IBSS)) {
 			/*
 			 * No associated STAs - no need to send multicast
@@ -959,8 +958,6 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
 	 */
 	control->power_level = local->hw.conf.power_level;
 	control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
-	if (local->sta_antenna_sel != STA_ANTENNA_SEL_AUTO && tx->sta)
-		control->antenna_sel_tx = tx->sta->antenna_sel_tx;
 
 	/* process and remove the injection radiotap header */
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);