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Message-id: <639915852350610241@wsc.cz>
Date: Sat, 18 Aug 2007 10:55:34 +0200 (CEST)
From: Jiri Slaby <jirislaby@...il.com>
To: <linux-wireless@...r.kernel.org>
Cc: <netdev@...r.kernel.org>
Subject: [PATCH 4/4 #2] Net: mac80211, remove bitfields from struct ieee80211_sub_if_data
mac80211, remove bitfields from struct ieee80211_sub_if_data
Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
commit 44b3d1f3d0bd6a9a02d2a1383a4d9c91ce897c68
tree f5566b0211375a426080487d32eeab228b264b0e
parent 5d3b17704c1cb1d8c8ff45f72282918f89e1d5c0
author Jiri Slaby <jirislaby@...il.com> Sat, 18 Aug 2007 10:46:51 +0200
committer Jiri Slaby <jirislaby@...il.com> Sat, 18 Aug 2007 10:46:51 +0200
net/mac80211/debugfs_netdev.c | 2 +-
net/mac80211/ieee80211.c | 30 ++++++++++++++----------------
net/mac80211/ieee80211_i.h | 18 ++++++++++--------
net/mac80211/ieee80211_ioctl.c | 20 ++++++++++++++------
net/mac80211/ieee80211_sta.c | 19 +++++++++++++------
net/mac80211/rx.c | 4 ++--
net/mac80211/tx.c | 18 ++++++++++--------
net/mac80211/util.c | 6 +++---
8 files changed, 67 insertions(+), 50 deletions(-)
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index fa3b153..588f71b 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -379,7 +379,7 @@ static ssize_t ieee80211_if_fmt_flags(
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" : "");
+ sdata->flags & IEEE80211_SDATA_USE_PROTECTION ? "CTS prot\n" : "");
}
__IEEE80211_IF_FILE(flags);
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 8a6e66f..136410c 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -575,23 +575,21 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
unsigned short flags;
netif_tx_lock_nested(local->mdev, TX_LOCK_MASTER);
- if (((dev->flags & IFF_ALLMULTI) != 0) ^ (sdata->allmulti != 0)) {
- if (sdata->allmulti) {
- sdata->allmulti = 0;
+ if (((dev->flags & IFF_ALLMULTI) != 0) ^
+ ((sdata->flags & IEEE80211_SDATA_ALLMULTI) != 0)) {
+ if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
local->iff_allmultis--;
- } else {
- sdata->allmulti = 1;
+ else
local->iff_allmultis++;
- }
+ sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
}
- if (((dev->flags & IFF_PROMISC) != 0) ^ (sdata->promisc != 0)) {
- if (sdata->promisc) {
- sdata->promisc = 0;
+ if (((dev->flags & IFF_PROMISC) != 0) ^
+ ((sdata->flags & IEEE80211_SDATA_PROMISC) != 0)) {
+ if (sdata->flags & IEEE80211_SDATA_PROMISC)
local->iff_promiscs--;
- } else {
- sdata->promisc = 1;
+ else
local->iff_promiscs++;
- }
+ sdata->flags ^= IEEE80211_SDATA_PROMISC;
}
if (dev->mc_count != sdata->mc_count) {
local->mc_count = local->mc_count - sdata->mc_count +
@@ -761,16 +759,16 @@ void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes)
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (local->ops->erp_ie_changed)
local->ops->erp_ie_changed(local_to_hw(local), changes,
- sdata->use_protection,
- !sdata->short_preamble);
+ !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION),
+ !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE));
}
void ieee80211_reset_erp_info(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sdata->short_preamble = 0;
- sdata->use_protection = 0;
+ sdata->flags &= ~(IEEE80211_SDATA_USE_PROTECTION |
+ IEEE80211_SDATA_SHORT_PREAMBLE);
ieee80211_erp_info_change_notify(dev,
IEEE80211_ERP_CHANGE_PROTECTION |
IEEE80211_ERP_CHANGE_PREAMBLE);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index de429d1..81179c0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -314,6 +314,14 @@ struct ieee80211_if_sta {
};
+/* flags used in struct ieee80211_sub_if_data.flags */
+#define IEEE80211_SDATA_ALLMULTI BIT(0)
+#define IEEE80211_SDATA_PROMISC BIT(1)
+#define IEEE80211_SDATA_USE_PROTECTION BIT(2) /* CTS protect ERP frames */
+/* use short preamble with IEEE 802.11b: this flag is set when the AP or beacon
+ * generator reports that there are no present stations that cannot support short
+ * preambles */
+#define IEEE80211_SDATA_SHORT_PREAMBLE BIT(3)
struct ieee80211_sub_if_data {
struct list_head list;
unsigned int type;
@@ -324,14 +332,8 @@ struct ieee80211_sub_if_data {
struct ieee80211_local *local;
int mc_count;
- unsigned int allmulti:1;
- unsigned int promisc:1;
- unsigned int use_protection:1; /* CTS protect ERP frames */
-
- /* use short preamble with IEEE 802.11b: this flag is set when the AP
- * or beacon generator reports that there are no present stations that
- * cannot support short preambles */
- unsigned int short_preamble:1;
+
+ unsigned int flags;
struct net_device_stats stats;
int drop_unencrypted;
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 6283e83..4af336f 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -2187,8 +2187,12 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
if (sdata->type == IEEE80211_IF_TYPE_AP) {
- sdata->use_protection = !!value;
- ieee80211_erp_info_change_notify(dev, IEEE80211_ERP_CHANGE_PROTECTION);
+ if (value)
+ sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION;
+ ieee80211_erp_info_change_notify(dev,
+ IEEE80211_ERP_CHANGE_PROTECTION);
} else {
ret = -ENOENT;
}
@@ -2196,8 +2200,12 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
case PRISM2_PARAM_PREAMBLE:
if (sdata->type != IEEE80211_IF_TYPE_AP) {
- sdata->short_preamble = !!value;
- ieee80211_erp_info_change_notify(dev, IEEE80211_ERP_CHANGE_PREAMBLE);
+ if (value)
+ sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
+ ieee80211_erp_info_change_notify(dev,
+ IEEE80211_ERP_CHANGE_PREAMBLE);
} else {
ret = -ENOENT;
}
@@ -2398,11 +2406,11 @@ static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
break;
case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
- *param = sdata->use_protection;
+ *param = !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION);
break;
case PRISM2_PARAM_PREAMBLE:
- *param = sdata->short_preamble;
+ *param = !!(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
break;
case PRISM2_PARAM_STAT_TIME:
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index e6a1e8d..1cdbbd3 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -362,7 +362,7 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
int preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
u8 changes = 0;
- if (use_protection != sdata->use_protection) {
+ if (use_protection != !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION)) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
MAC_FMT ")\n",
@@ -370,11 +370,14 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
use_protection ? "enabled" : "disabled",
MAC_ARG(ifsta->bssid));
}
- sdata->use_protection = use_protection;
+ if (use_protection)
+ sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION;
changes |= IEEE80211_ERP_CHANGE_PROTECTION;
}
- if (!preamble_mode != sdata->short_preamble) {
+ if (preamble_mode != !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE)) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: switched to %s barker preamble"
" (BSSID=" MAC_FMT ")\n",
@@ -383,7 +386,10 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
"short" : "long",
MAC_ARG(ifsta->bssid));
}
- sdata->short_preamble = !preamble_mode;
+ if (preamble_mode)
+ sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
+ else
+ sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE;
changes |= IEEE80211_ERP_CHANGE_PREAMBLE;
}
@@ -3251,8 +3257,9 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
"for IBSS beacon\n", dev->name);
break;
}
- control.tx_rate = (sdata->short_preamble &&
- (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
+ control.tx_rate =
+ ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
+ (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
rate->val2 : rate->val;
control.antenna_sel_tx = local->hw.conf.antenna_sel_tx;
control.power_level = local->hw.conf.power_level;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 8dd7488..029e3c6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1405,7 +1405,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
} else if (!multicast &&
compare_ether_addr(sdata->dev->dev_addr,
hdr->addr1) != 0) {
- if (!sdata->promisc)
+ if (!(sdata->flags & IEEE80211_SDATA_PROMISC))
return 0;
rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH;
}
@@ -1420,7 +1420,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
} else if (!multicast &&
compare_ether_addr(sdata->dev->dev_addr,
hdr->addr1) != 0) {
- if (!sdata->promisc)
+ if (!(sdata->flags & IEEE80211_SDATA_PROMISC))
return 0;
rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH;
} else if (!rx->sta)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bc4a3c7..b9ab284 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -173,7 +173,7 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr,
* to closest integer */
dur = ieee80211_frame_duration(local, 10, rate, erp,
- tx->sdata->short_preamble);
+ tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
@@ -181,8 +181,9 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr,
dur *= 2; /* ACK + SIFS */
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
- txrate->rate, erp,
- tx->sdata->short_preamble);
+ txrate->rate, erp,
+ tx->sdata->flags &
+ IEEE80211_SDATA_SHORT_PREAMBLE);
}
return dur;
@@ -614,7 +615,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
if (!tx->u.tx.rate)
return TXRX_DROP;
if (tx->u.tx.mode->mode == MODE_IEEE80211G &&
- tx->sdata->use_protection &&
+ (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && extra.nonerp) {
tx->u.tx.last_frag_rate = tx->u.tx.rate;
if (extra.probe)
@@ -671,7 +672,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
if (mode->mode == MODE_IEEE80211G &&
(tx->u.tx.rate->flags & IEEE80211_RATE_ERP) &&
(tx->flags & IEEE80211_TXRXD_TXUNICAST) &&
- tx->sdata->use_protection &&
+ (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
!(control->flags & IEEE80211_TXCTL_USE_RTS_CTS))
control->flags |= IEEE80211_TXCTL_USE_CTS_PROTECT;
@@ -680,7 +681,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
* available on the network at the current point in time. */
if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
(tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) &&
- tx->sdata->short_preamble &&
+ (tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
(!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) {
tx->u.tx.control->tx_rate = tx->u.tx.rate->val2;
}
@@ -1782,8 +1783,9 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id,
return NULL;
}
- control->tx_rate = (sdata->short_preamble &&
- (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
+ control->tx_rate =
+ ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
+ (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
rate->val2 : rate->val;
control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
control->power_level = local->hw.conf.power_level;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 091ac0d..07686bd 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -329,7 +329,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, int if_id,
sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
erp = ieee80211_is_erp_rate(hw->conf.phymode, rate);
dur = ieee80211_frame_duration(local, frame_len, rate,
- erp, sdata->short_preamble);
+ erp, sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
dev_put(bdev);
return cpu_to_le16(dur);
@@ -352,7 +352,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw, int if_id,
return 0;
sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- short_preamble = sdata->short_preamble;
+ short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE;
rate = frame_txctl->rts_rate;
erp = !!(rate->flags & IEEE80211_RATE_ERP);
@@ -388,7 +388,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, int if_id,
return 0;
sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- short_preamble = sdata->short_preamble;
+ short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE;
rate = frame_txctl->rts_rate;
erp = !!(rate->flags & IEEE80211_RATE_ERP);
-
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