summaryrefslogtreecommitdiffstats
path: root/net/mac80211
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-07-23 14:03:38 -0700
committerDavid S. Miller <davem@davemloft.net>2010-07-23 14:03:38 -0700
commit2a88e7e559f2358f4e1422d0b0c0278a74136581 (patch)
treeb4e9e56dbde79fe7185cba511a1ffd85f5d2018e /net/mac80211
parent344e0f623cec5eba273db06fe57db080988d6b26 (diff)
parent7a17a33c0da37f8d24222c967550d19dabf13617 (diff)
downloadop-kernel-dev-2a88e7e559f2358f4e1422d0b0c0278a74136581.zip
op-kernel-dev-2a88e7e559f2358f4e1422d0b0c0278a74136581.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-commands.h
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c4
-rw-r--r--net/mac80211/ht.c2
-rw-r--r--net/mac80211/ibss.c92
-rw-r--r--net/mac80211/ieee80211_i.h7
-rw-r--r--net/mac80211/iface.c6
-rw-r--r--net/mac80211/mlme.c13
-rw-r--r--net/mac80211/util.c7
-rw-r--r--net/mac80211/wep.c5
8 files changed, 77 insertions, 59 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 5e56e91..a3f3325 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1154,10 +1154,6 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
return -EINVAL;
}
- /* enable WMM or activate new settings */
- local->hw.conf.flags |= IEEE80211_CONF_QOS;
- drv_config(local, IEEE80211_CONF_CHANGE_QOS);
-
return 0;
}
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index be928ef..9d101fb 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -29,7 +29,7 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
memset(ht_cap, 0, sizeof(*ht_cap));
- if (!ht_cap_ie)
+ if (!ht_cap_ie || !sband->ht_cap.ht_supported)
return;
ht_cap->ht_supported = true;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index d4e84b2..c691780 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -43,6 +43,8 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
{
u16 auth_alg, auth_transaction, status_code;
+ lockdep_assert_held(&sdata->u.ibss.mtx);
+
if (len < 24 + 6)
return;
@@ -78,6 +80,8 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
u32 bss_change;
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+ lockdep_assert_held(&ifibss->mtx);
+
/* Reset own TSF to allow time synchronization work. */
drv_reset_tsf(local);
@@ -205,6 +209,8 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
int i, j;
u16 beacon_int = cbss->beacon_interval;
+ lockdep_assert_held(&sdata->u.ibss.mtx);
+
if (beacon_int < 10)
beacon_int = 10;
@@ -449,6 +455,8 @@ static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
int active = 0;
struct sta_info *sta;
+ lockdep_assert_held(&sdata->u.ibss.mtx);
+
rcu_read_lock();
list_for_each_entry_rcu(sta, &local->sta_list, list) {
@@ -473,6 +481,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ lockdep_assert_held(&ifibss->mtx);
+
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
@@ -505,6 +515,8 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
u16 capability;
int i;
+ lockdep_assert_held(&ifibss->mtx);
+
if (ifibss->fixed_bssid) {
memcpy(bssid, ifibss->bssid, ETH_ALEN);
} else {
@@ -549,6 +561,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
int active_ibss;
u16 capability;
+ lockdep_assert_held(&ifibss->mtx);
+
active_ibss = ieee80211_sta_active_ibss(sdata);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
@@ -637,6 +651,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *resp;
u8 *pos, *end;
+ lockdep_assert_held(&ifibss->mtx);
+
if (ifibss->state != IEEE80211_IBSS_MLME_JOINED ||
len < 24 + 2 || !ifibss->presp)
return;
@@ -740,6 +756,8 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
+ mutex_lock(&sdata->u.ibss.mtx);
+
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_PROBE_REQ:
ieee80211_rx_mgmt_probe_req(sdata, mgmt, skb->len);
@@ -756,14 +774,23 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_mgmt_auth_ibss(sdata, mgmt, skb->len);
break;
}
+
+ mutex_unlock(&sdata->u.ibss.mtx);
}
void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- if (!test_and_clear_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request))
- return;
+ mutex_lock(&ifibss->mtx);
+
+ /*
+ * Work could be scheduled after scan or similar
+ * when we aren't even joined (or trying) with a
+ * network.
+ */
+ if (!ifibss->ssid_len)
+ goto out;
switch (ifibss->state) {
case IEEE80211_IBSS_MLME_SEARCH:
@@ -776,15 +803,9 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
WARN_ON(1);
break;
}
-}
-static void ieee80211_queue_ibss_work(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-
- set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
- ieee80211_queue_work(&local->hw, &sdata->work);
+ out:
+ mutex_unlock(&ifibss->mtx);
}
static void ieee80211_ibss_timer(unsigned long data)
@@ -799,7 +820,7 @@ static void ieee80211_ibss_timer(unsigned long data)
return;
}
- ieee80211_queue_ibss_work(sdata);
+ ieee80211_queue_work(&local->hw, &sdata->work);
}
#ifdef CONFIG_PM
@@ -828,6 +849,7 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
setup_timer(&ifibss->timer, ieee80211_ibss_timer,
(unsigned long) sdata);
+ mutex_init(&ifibss->mtx);
}
/* scan finished notification */
@@ -841,10 +863,8 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local)
continue;
if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
continue;
- if (!sdata->u.ibss.ssid_len)
- continue;
sdata->u.ibss.last_scan_completed = jiffies;
- ieee80211_queue_ibss_work(sdata);
+ ieee80211_queue_work(&local->hw, &sdata->work);
}
mutex_unlock(&local->iflist_mtx);
}
@@ -854,6 +874,17 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
{
struct sk_buff *skb;
+ skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom +
+ 36 /* bitrates */ +
+ 34 /* SSID */ +
+ 3 /* DS params */ +
+ 4 /* IBSS params */ +
+ params->ie_len);
+ if (!skb)
+ return -ENOMEM;
+
+ mutex_lock(&sdata->u.ibss.mtx);
+
if (params->bssid) {
memcpy(sdata->u.ibss.bssid, params->bssid, ETH_ALEN);
sdata->u.ibss.fixed_bssid = true;
@@ -882,35 +913,19 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.ie_len = params->ie_len;
}
- skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom +
- 36 /* bitrates */ +
- 34 /* SSID */ +
- 3 /* DS params */ +
- 4 /* IBSS params */ +
- params->ie_len);
- if (!skb)
- return -ENOMEM;
-
sdata->u.ibss.skb = skb;
sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
sdata->u.ibss.ibss_join_req = jiffies;
memcpy(sdata->u.ibss.ssid, params->ssid, IEEE80211_MAX_SSID_LEN);
-
- /*
- * The ssid_len setting below is used to see whether
- * we are active, and we need all other settings
- * before that may get visible.
- */
- mb();
-
sdata->u.ibss.ssid_len = params->ssid_len;
ieee80211_recalc_idle(sdata->local);
- set_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
ieee80211_queue_work(&sdata->local->hw, &sdata->work);
+ mutex_unlock(&sdata->u.ibss.mtx);
+
return 0;
}
@@ -921,7 +936,9 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct cfg80211_bss *cbss;
u16 capability;
- int active_ibss = 0;
+ int active_ibss;
+
+ mutex_lock(&sdata->u.ibss.mtx);
active_ibss = ieee80211_sta_active_ibss(sdata);
@@ -943,11 +960,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
}
}
- del_timer_sync(&sdata->u.ibss.timer);
- clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
- cancel_work_sync(&sdata->work);
- clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
-
sta_info_flush(sdata->local, sdata);
/* remove beacon */
@@ -964,6 +976,10 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
sdata->u.ibss.ssid_len = 0;
+ del_timer_sync(&sdata->u.ibss.timer);
+
+ mutex_unlock(&sdata->u.ibss.mtx);
+
ieee80211_recalc_idle(sdata->local);
return 0;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a3649a8..ef47006 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -377,14 +377,11 @@ struct ieee80211_if_managed {
int last_cqm_event_signal;
};
-enum ieee80211_ibss_request {
- IEEE80211_IBSS_REQ_RUN = 0,
-};
-
struct ieee80211_if_ibss {
struct timer_list timer;
- unsigned long request;
+ struct mutex mtx;
+
unsigned long last_scan_completed;
u32 basic_rates;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 910729f..ebbe264 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -249,6 +249,8 @@ static int ieee80211_open(struct net_device *dev)
local->fif_other_bss++;
ieee80211_configure_filter(local);
+
+ netif_carrier_on(dev);
break;
default:
res = drv_add_interface(local, &sdata->vif);
@@ -741,7 +743,7 @@ static void ieee80211_iface_work(struct work_struct *work)
int len = skb->len;
mutex_lock(&local->sta_mtx);
- sta = sta_info_get(sdata, mgmt->sa);
+ sta = sta_info_get_bss(sdata, mgmt->sa);
if (sta) {
switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
@@ -782,7 +784,7 @@ static void ieee80211_iface_work(struct work_struct *work)
* right, so terminate the session.
*/
mutex_lock(&local->sta_mtx);
- sta = sta_info_get(sdata, mgmt->sa);
+ sta = sta_info_get_bss(sdata, mgmt->sa);
if (sta) {
u16 tid = *ieee80211_get_qos_ctl(hdr) &
IEEE80211_QOS_CTL_TID_MASK;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d196265..cf8d721 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -698,10 +698,11 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
/* MLME */
static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
- struct ieee80211_if_managed *ifmgd,
+ struct ieee80211_sub_if_data *sdata,
u8 *wmm_param, size_t wmm_param_len)
{
struct ieee80211_tx_queue_params params;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t left;
int count;
u8 *pos, uapsd_queues = 0;
@@ -790,8 +791,8 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
}
/* enable WMM or activate new settings */
- local->hw.conf.flags |= IEEE80211_CONF_QOS;
- drv_config(local, IEEE80211_CONF_CHANGE_QOS);
+ sdata->vif.bss_conf.qos = true;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
}
static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
@@ -1325,7 +1326,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
}
if (elems.wmm_param)
- ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
+ ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len);
else
ieee80211_set_wmm_default(sdata);
@@ -1597,7 +1598,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
true);
- ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
+ ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len);
}
@@ -2030,6 +2031,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
auth_alg = WLAN_AUTH_OPEN;
break;
case NL80211_AUTHTYPE_SHARED_KEY:
+ if (IS_ERR(sdata->local->wep_tx_tfm))
+ return -EOPNOTSUPP;
auth_alg = WLAN_AUTH_SHARED_KEY;
break;
case NL80211_AUTHTYPE_FT:
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index a54cf14..7947921 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -803,8 +803,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
/* after reinitialize QoS TX queues setting to default,
* disable QoS at all */
- local->hw.conf.flags &= ~IEEE80211_CONF_QOS;
- drv_config(local, IEEE80211_CONF_CHANGE_QOS);
+ sdata->vif.bss_conf.qos = sdata->vif.type != NL80211_IFTYPE_STATION;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
}
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
@@ -1161,7 +1161,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT |
BSS_CHANGED_BSSID |
- BSS_CHANGED_CQM;
+ BSS_CHANGED_CQM |
+ BSS_CHANGED_QOS;
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 6d133b6..9ebc8d8 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -32,13 +32,16 @@ int ieee80211_wep_init(struct ieee80211_local *local)
local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_tx_tfm))
+ if (IS_ERR(local->wep_tx_tfm)) {
+ local->wep_rx_tfm = ERR_PTR(-EINVAL);
return PTR_ERR(local->wep_tx_tfm);
+ }
local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(local->wep_rx_tfm)) {
crypto_free_blkcipher(local->wep_tx_tfm);
+ local->wep_tx_tfm = ERR_PTR(-EINVAL);
return PTR_ERR(local->wep_rx_tfm);
}
OpenPOWER on IntegriCloud