[MAC80211]: Remove bitfields from struct ieee80211_if_sta

mac80211, remove bitfields from struct ieee80211_if_sta
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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>

net/mac80211/debugfs_netdev.c

@@ -112,12 +112,12 @@ static ssize_t ieee80211_if_fmt_flags(
 	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 {
 	return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
-			 sdata->u.sta.ssid_set ? "SSID\n" : "",
-			 sdata->u.sta.bssid_set ? "BSSID\n" : "",
-			 sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
-			 sdata->u.sta.authenticated ? "AUTH\n" : "",
-			 sdata->u.sta.associated ? "ASSOC\n" : "",
-			 sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
+		 sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
 		 sdata->use_protection ? "CTS prot\n" : "");
 }
 __IEEE80211_IF_FILE(flags);

net/mac80211/ieee80211.c

@@ -354,7 +354,7 @@ static void ieee80211_if_open(struct net_device *dev)
 	switch (sdata->type) {
 	case IEEE80211_IF_TYPE_STA:
 	case IEEE80211_IF_TYPE_IBSS:
-		sdata->u.sta.prev_bssid_set = 0;
+		sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
 		break;
 	}
 }

net/mac80211/ieee80211_i.h

@@ -217,6 +217,19 @@ struct ieee80211_if_vlan {
 	u8 id;
 };
 
+/* flags used in struct ieee80211_if_sta.flags */
+#define IEEE80211_STA_SSID_SET		BIT(0)
+#define IEEE80211_STA_BSSID_SET		BIT(1)
+#define IEEE80211_STA_PREV_BSSID_SET	BIT(2)
+#define IEEE80211_STA_AUTHENTICATED	BIT(3)
+#define IEEE80211_STA_ASSOCIATED	BIT(4)
+#define IEEE80211_STA_PROBEREQ_POLL	BIT(5)
+#define IEEE80211_STA_CREATE_IBSS	BIT(6)
+#define IEEE80211_STA_MIXED_CELL	BIT(7)
+#define IEEE80211_STA_WMM_ENABLED	BIT(8)
+#define IEEE80211_STA_AUTO_SSID_SEL	BIT(10)
+#define IEEE80211_STA_AUTO_BSSID_SEL	BIT(11)
+#define IEEE80211_STA_AUTO_CHANNEL_SEL	BIT(12)
 struct ieee80211_if_sta {
 	enum {
 		IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
@@ -239,18 +252,7 @@ struct ieee80211_if_sta {
 
 	int auth_tries, assoc_tries;
 
-	unsigned int ssid_set:1;
-	unsigned int bssid_set:1;
-	unsigned int prev_bssid_set:1;
-	unsigned int authenticated:1;
-	unsigned int associated:1;
-	unsigned int probereq_poll:1;
-	unsigned int create_ibss:1;
-	unsigned int mixed_cell:1;
-	unsigned int wmm_enabled:1;
-	unsigned int auto_ssid_sel:1;
-	unsigned int auto_bssid_sel:1;
-	unsigned int auto_channel_sel:1;
+	unsigned int flags;
 #define IEEE80211_STA_REQ_SCAN 0
 #define IEEE80211_STA_REQ_AUTH 1
 #define IEEE80211_STA_REQ_RUN  2

net/mac80211/ieee80211_iface.c

@@ -187,10 +187,10 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
 		ifsta->capab = WLAN_CAPABILITY_ESS;
 		ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
 			IEEE80211_AUTH_ALG_SHARED_KEY;
-		ifsta->create_ibss = 1;
-		ifsta->wmm_enabled = 1;
-		ifsta->auto_channel_sel = 1;
-		ifsta->auto_bssid_sel = 1;
+		ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
+			IEEE80211_STA_WMM_ENABLED |
+			IEEE80211_STA_AUTO_BSSID_SEL |
+			IEEE80211_STA_AUTO_CHANNEL_SEL;
 
 		msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
 		sdata->bss = &msdata->u.ap;

net/mac80211/ieee80211_ioctl.c

@@ -270,7 +270,7 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 		int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
 		if (ret)
 			return ret;
-		sdata->u.sta.auto_bssid_sel = 0;
+		sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 		ieee80211_sta_req_auth(dev, &sdata->u.sta);
 		return 0;
 	}
@@ -502,13 +502,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->type == IEEE80211_IF_TYPE_STA)
-		sdata->u.sta.auto_channel_sel = 0;
+		sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 
 	/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 	if (freq->e == 0) {
 		if (freq->m < 0) {
 			if (sdata->type == IEEE80211_IF_TYPE_STA)
-				sdata->u.sta.auto_channel_sel = 1;
+				sdata->u.sta.flags |=
+					IEEE80211_STA_AUTO_CHANNEL_SEL;
 			return 0;
 		} else
 			return ieee80211_set_channel(local, freq->m, -1);
@@ -563,7 +564,10 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
 			sdata->u.sta.ssid_len = len;
 			return 0;
 		}
-		sdata->u.sta.auto_ssid_sel = !data->flags;
+		if (data->flags)
+			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
+		else
+			sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 		ret = ieee80211_sta_set_ssid(dev, ssid, len);
 		if (ret)
 			return ret;
@@ -630,13 +634,13 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
 			       ETH_ALEN);
 			return 0;
 		}
-		if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) {
-			sdata->u.sta.auto_bssid_sel = 1;
-			sdata->u.sta.auto_channel_sel = 1;
-		} else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
-			sdata->u.sta.auto_bssid_sel = 1;
+		if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
+			sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
+				IEEE80211_STA_AUTO_CHANNEL_SEL;
+		else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
+			sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 		else
-			sdata->u.sta.auto_bssid_sel = 0;
+			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 		ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
 		if (ret)
 			return ret;
@@ -1104,8 +1108,12 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
 		if (sdata->type != IEEE80211_IF_TYPE_STA &&
 		    sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
+		else {
+			if (value)
+				sdata->u.sta.flags |= IEEE80211_STA_MIXED_CELL;
 			else
-			sdata->u.sta.mixed_cell = !!value;
+				sdata->u.sta.flags &= ~IEEE80211_STA_MIXED_CELL;
+		}
 		break;
 
 	case PRISM2_PARAM_HW_MODES:
@@ -1115,15 +1123,23 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
 	case PRISM2_PARAM_CREATE_IBSS:
 		if (sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
+		else {
+			if (value)
+				sdata->u.sta.flags |= IEEE80211_STA_CREATE_IBSS;
 			else
-			sdata->u.sta.create_ibss = !!value;
+				sdata->u.sta.flags &= ~IEEE80211_STA_CREATE_IBSS;
+		}
 		break;
 	case PRISM2_PARAM_WMM_ENABLED:
 		if (sdata->type != IEEE80211_IF_TYPE_STA &&
 		    sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
+		else {
+			if (value)
+				sdata->u.sta.flags |= IEEE80211_STA_WMM_ENABLED;
 			else
-			sdata->u.sta.wmm_enabled = !!value;
+				sdata->u.sta.flags &= ~IEEE80211_STA_WMM_ENABLED;
+		}
 		break;
 	default:
 		ret = -EOPNOTSUPP;
@@ -1186,7 +1202,8 @@ static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
 		if (sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
 		else
-			*param = !!sdata->u.sta.create_ibss;
+			*param = !!(sdata->u.sta.flags &
+					IEEE80211_STA_CREATE_IBSS);
 		break;
 
 	case PRISM2_PARAM_MIXED_CELL:
@@ -1194,14 +1211,16 @@ static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
 		    sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
 		else
-			*param = !!sdata->u.sta.mixed_cell;
+			*param = !!(sdata->u.sta.flags &
+					IEEE80211_STA_MIXED_CELL);
 		break;
 	case PRISM2_PARAM_WMM_ENABLED:
 		if (sdata->type != IEEE80211_IF_TYPE_STA &&
 		    sdata->type != IEEE80211_IF_TYPE_IBSS)
 			ret = -EINVAL;
 		else
-			*param = !!sdata->u.sta.wmm_enabled;
+			*param = !!(sdata->u.sta.flags &
+					IEEE80211_STA_WMM_ENABLED);
 		break;
 	default:
 		ret = -EOPNOTSUPP;