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authorDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
commit65b53e4cc90e59936733b3b95b9451d2ca47528d (patch)
tree29932718192962671c48c3fd1ea017a6112459e8 /net/mac80211
parent788c0a53164c05c5ccdb1472474372b72ba74644 (diff)
parent2e761e0532a784816e7e822dbaaece8c5d4be14d (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c4
-rw-r--r--net/mac80211/ieee80211_i.h24
-rw-r--r--net/mac80211/main.c3
-rw-r--r--net/mac80211/mlme.c45
-rw-r--r--net/mac80211/rx.c4
-rw-r--r--net/mac80211/util.c4
-rw-r--r--net/mac80211/wext.c26
7 files changed, 75 insertions, 35 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index dbf0563c397..81087281b03 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -674,7 +674,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
if (params->vlan) {
sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
- if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+ if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
sdata->vif.type != IEEE80211_IF_TYPE_AP)
return -EINVAL;
} else
@@ -762,7 +762,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
if (params->vlan && params->vlan != sta->sdata->dev) {
vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
- if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+ if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
vlansdata->vif.type != IEEE80211_IF_TYPE_AP) {
rcu_read_unlock();
return -EINVAL;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 432011cd364..884be4d100f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -853,7 +853,29 @@ u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
/* ieee80211_ioctl.c */
extern const struct iw_handler_def ieee80211_iw_handler_def;
-int ieee80211_set_freq(struct ieee80211_local *local, int freq);
+
+/* Least common multiple of the used rates (in 100 kbps). This is used to
+ * calculate rate_inv values for each rate so that only integers are needed. */
+#define CHAN_UTIL_RATE_LCM 95040
+/* 1 usec is 1/8 * (95040/10) = 1188 */
+#define CHAN_UTIL_PER_USEC 1188
+/* Amount of bits to shift the result right to scale the total utilization
+ * to values that will not wrap around 32-bit integers. */
+#define CHAN_UTIL_SHIFT 9
+/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
+ * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
+ * raw value with about 23 should give utilization in 10th of a percentage
+ * (1/1000). However, utilization is only estimated and not all intervals
+ * between frames etc. are calculated. 18 seems to give numbers that are closer
+ * to the real maximum. */
+#define CHAN_UTIL_PER_10MS 18
+#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
+#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
+
+
+/* ieee80211_ioctl.c */
+int ieee80211_set_freq(struct net_device *dev, int freq);
+
/* ieee80211_sta.c */
void ieee80211_sta_timer(unsigned long data);
void ieee80211_sta_work(struct work_struct *work);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f79f6b9938a..b182f018a18 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -516,6 +516,7 @@ static int ieee80211_stop(struct net_device *dev)
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
sdata->u.sta.state = IEEE80211_DISABLED;
+ memset(sdata->u.sta.bssid, 0, ETH_ALEN);
del_timer_sync(&sdata->u.sta.timer);
/*
* When we get here, the interface is marked down.
@@ -1314,7 +1315,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
/*
* Clear the TX filter mask for this STA when sending the next
* packet. If the STA went to power save mode, this will happen
- * happen when it wakes up for the next time.
+ * when it wakes up for the next time.
*/
set_sta_flags(sta, WLAN_STA_CLEAR_PS_FILT);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index adbc1c804dd..7f05820dc62 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -44,7 +44,7 @@
#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
#define IEEE80211_SCAN_INTERVAL (2 * HZ)
#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
-#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ)
+#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
#define IEEE80211_PROBE_DELAY (HZ / 33)
#define IEEE80211_CHANNEL_TIME (HZ / 33)
@@ -1337,7 +1337,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
/* prepare reordering buffer */
tid_agg_rx->reorder_buf =
- kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC);
+ kmalloc(buf_size * sizeof(struct sk_buff *), GFP_ATOMIC);
if (!tid_agg_rx->reorder_buf) {
if (net_ratelimit())
printk(KERN_ERR "can not allocate reordering buffer "
@@ -1346,7 +1346,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
goto end;
}
memset(tid_agg_rx->reorder_buf, 0,
- buf_size * sizeof(struct sk_buf *));
+ buf_size * sizeof(struct sk_buff *));
if (local->ops->ampdu_action)
ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
@@ -1625,7 +1625,7 @@ void sta_addba_resp_timer_expired(unsigned long data)
* only one argument, and both sta_info and TID are needed, so init
* flow in sta_info_create gives the TID as data, while the timer_to_id
* array gives the sta through container_of */
- u16 tid = *(int *)data;
+ u16 tid = *(u8 *)data;
struct sta_info *temp_sta = container_of((void *)data,
struct sta_info, timer_to_tid[tid]);
@@ -1673,7 +1673,7 @@ timer_expired_exit:
static void sta_rx_agg_session_timer_expired(unsigned long data)
{
/* not an elegant detour, but there is no choice as the timer passes
- * only one argument, and verious sta_info are needed here, so init
+ * only one argument, and various sta_info are needed here, so init
* flow in sta_info_create gives the TID as data, while the timer_to_id
* array gives the sta through container_of */
u8 *ptid = (u8 *)data;
@@ -2348,6 +2348,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
u8 *pos;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_supported_band *sband;
+ union iwreq_data wrqu;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
@@ -2370,13 +2371,10 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
sdata->drop_unencrypted = bss->capability &
WLAN_CAPABILITY_PRIVACY ? 1 : 0;
- res = ieee80211_set_freq(local, bss->freq);
+ res = ieee80211_set_freq(dev, bss->freq);
- if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) {
- printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
- "%d MHz\n", dev->name, local->oper_channel->center_freq);
- return -1;
- }
+ if (res)
+ return res;
/* Set beacon template */
skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -2491,7 +2489,9 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
ifsta->state = IEEE80211_IBSS_JOINED;
mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
- ieee80211_rx_bss_put(dev, bss);
+ memset(&wrqu, 0, sizeof(wrqu));
+ memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
+ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
return res;
}
@@ -3518,7 +3518,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
spin_unlock_bh(&local->sta_bss_lock);
if (selected) {
- ieee80211_set_freq(local, selected->freq);
+ ieee80211_set_freq(dev, selected->freq);
if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
ieee80211_sta_set_ssid(dev, selected->ssid,
selected->ssid_len);
@@ -3553,6 +3553,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
struct ieee80211_supported_band *sband;
u8 bssid[ETH_ALEN], *pos;
int i;
+ int ret;
DECLARE_MAC_BUF(mac);
#if 0
@@ -3599,7 +3600,9 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
*pos++ = (u8) (rate / 5);
}
- return ieee80211_sta_join_ibss(dev, ifsta, bss);
+ ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+ ieee80211_rx_bss_put(dev, bss);
+ return ret;
}
@@ -3647,10 +3650,13 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
(bss = ieee80211_rx_bss_get(dev, bssid,
local->hw.conf.channel->center_freq,
ifsta->ssid, ifsta->ssid_len))) {
+ int ret;
printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
" based on configured SSID\n",
dev->name, print_mac(mac, bssid));
- return ieee80211_sta_join_ibss(dev, ifsta, bss);
+ ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+ ieee80211_rx_bss_put(dev, bss);
+ return ret;
}
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG " did not try to join ibss\n");
@@ -4127,18 +4133,17 @@ ieee80211_sta_scan_result(struct net_device *dev,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
- iwe.u.freq.m = bss->freq;
- iwe.u.freq.e = 6;
+ iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
+ iwe.u.freq.e = 0;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
- iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
- iwe.u.freq.e = 0;
+ iwe.u.freq.m = bss->freq;
+ iwe.u.freq.e = 6;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);
-
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVQUAL;
iwe.u.qual.qual = bss->qual;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9400a9766a7..a3643fd86af 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1116,7 +1116,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
u16 fc, hdrlen, ethertype;
u8 *payload;
u8 dst[ETH_ALEN];
- u8 src[ETH_ALEN];
+ u8 src[ETH_ALEN] __aligned(2);
struct sk_buff *skb = rx->skb;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
DECLARE_MAC_BUF(mac);
@@ -1259,7 +1259,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
*/
static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx)
{
- static const u8 pae_group_addr[ETH_ALEN]
+ static const u8 pae_group_addr[ETH_ALEN] __aligned(2)
= { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x03 };
struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5a77e2c01f4..6513bc2d270 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -34,11 +34,11 @@ void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-const unsigned char rfc1042_header[] =
+const unsigned char rfc1042_header[] __aligned(2) =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-const unsigned char bridge_tunnel_header[] =
+const unsigned char bridge_tunnel_header[] __aligned(2) =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index c2e2378af08..4806d96b987 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -302,14 +302,22 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
return 0;
}
-int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
+int ieee80211_set_freq(struct net_device *dev, int freqMHz)
{
int ret = -EINVAL;
struct ieee80211_channel *chan;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+ if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+ chan->flags & IEEE80211_CHAN_NO_IBSS) {
+ printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+ "%d MHz\n", dev->name, chan->center_freq);
+ return ret;
+ }
local->oper_channel = chan;
if (local->sta_sw_scanning || local->sta_hw_scanning)
@@ -327,7 +335,6 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *freq, char *extra)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
@@ -341,14 +348,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
IEEE80211_STA_AUTO_CHANNEL_SEL;
return 0;
} else
- return ieee80211_set_freq(local,
+ return ieee80211_set_freq(dev,
ieee80211_channel_to_frequency(freq->m));
} else {
int i, div = 1000000;
for (i = 0; i < freq->e; i++)
div /= 10;
if (div > 0)
- return ieee80211_set_freq(local, freq->m / div);
+ return ieee80211_set_freq(dev, freq->m / div);
else
return -EINVAL;
}
@@ -501,9 +508,14 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
- ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
- return 0;
+ if (sdata->u.sta.state == IEEE80211_ASSOCIATED) {
+ ap_addr->sa_family = ARPHRD_ETHER;
+ memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+ return 0;
+ } else {
+ memset(&ap_addr->sa_data, 0, ETH_ALEN);
+ return 0;
+ }
} else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
ap_addr->sa_family = ARPHRD_ETHER;
memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);