aboutsummaryrefslogtreecommitdiff
path: root/net/mac80211
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/main.c5
-rw-r--r--net/mac80211/mlme.c39
-rw-r--r--net/mac80211/tx.c17
-rw-r--r--net/mac80211/util.c1
-rw-r--r--net/mac80211/wme.c6
6 files changed, 56 insertions, 14 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a4f9a832722..ec59345af65 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -82,6 +82,7 @@ struct ieee80211_sta_bss {
u8 bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 dtim_period;
u16 capability; /* host byte order */
enum ieee80211_band band;
int freq;
@@ -586,6 +587,7 @@ struct ieee80211_local {
struct timer_list sta_cleanup;
unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)];
+ unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)];
struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a4c5b90de76..0c02c471bca 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1689,6 +1689,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (local->hw.conf.beacon_int < 10)
local->hw.conf.beacon_int = 100;
+ if (local->hw.max_listen_interval == 0)
+ local->hw.max_listen_interval = 1;
+
+ local->hw.conf.listen_interval = local->hw.max_listen_interval;
+
local->wstats_flags |= local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
IEEE80211_HW_SIGNAL_DB |
IEEE80211_HW_SIGNAL_DBM) ?
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index acb04133a95..e1d11c9b672 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -551,6 +551,7 @@ static void ieee80211_set_associated(struct net_device *dev,
/* set timing information */
sdata->bss_conf.beacon_int = bss->beacon_int;
sdata->bss_conf.timestamp = bss->timestamp;
+ sdata->bss_conf.dtim_period = bss->dtim_period;
changed |= ieee80211_handle_bss_capability(sdata, bss);
@@ -773,7 +774,8 @@ static void ieee80211_send_assoc(struct net_device *dev,
mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
IEEE80211_STYPE_REASSOC_REQ);
mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.reassoc_req.listen_interval = cpu_to_le16(1);
+ mgmt->u.reassoc_req.listen_interval =
+ cpu_to_le16(local->hw.conf.listen_interval);
memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid,
ETH_ALEN);
} else {
@@ -781,7 +783,8 @@ static void ieee80211_send_assoc(struct net_device *dev,
mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
IEEE80211_STYPE_ASSOC_REQ);
mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.assoc_req.listen_interval = cpu_to_le16(1);
+ mgmt->u.reassoc_req.listen_interval =
+ cpu_to_le16(local->hw.conf.listen_interval);
}
/* SSID */
@@ -2688,6 +2691,16 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
+ if (elems->tim) {
+ struct ieee80211_tim_ie *tim_ie =
+ (struct ieee80211_tim_ie *)elems->tim;
+ bss->dtim_period = tim_ie->dtim_period;
+ }
+
+ /* set default value for buggy APs */
+ if (!elems->tim || bss->dtim_period == 0)
+ bss->dtim_period = 1;
+
bss->supp_rates_len = 0;
if (elems->supp_rates) {
clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
@@ -3650,11 +3663,21 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
"%s\n", print_mac(mac, bssid),
print_mac(mac2, ifsta->bssid));
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 &&
- (bss = ieee80211_rx_bss_get(dev, bssid,
- local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len))) {
+
+ if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
int ret;
+ int search_freq;
+
+ if (ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL)
+ search_freq = bss->freq;
+ else
+ search_freq = local->hw.conf.channel->center_freq;
+
+ bss = ieee80211_rx_bss_get(dev, bssid, search_freq,
+ ifsta->ssid, ifsta->ssid_len);
+ if (!bss)
+ goto dont_join;
+
printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
" based on configured SSID\n",
dev->name, print_mac(mac, bssid));
@@ -3662,6 +3685,8 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
ieee80211_rx_bss_put(local, bss);
return ret;
}
+
+dont_join:
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG " did not try to join ibss\n");
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
@@ -3895,7 +3920,7 @@ done:
if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
- (!ifsta->state == IEEE80211_IBSS_JOINED &&
+ (!(ifsta->state == IEEE80211_IBSS_JOINED) &&
!ieee80211_sta_active_ibss(dev)))
ieee80211_sta_find_ibss(dev, ifsta);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 69019e94387..771ec68b848 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1060,13 +1060,14 @@ static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_tx_data *tx)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info *info;
int ret, i;
- if (netif_subqueue_stopped(local->mdev, skb))
- return IEEE80211_TX_AGAIN;
-
if (skb) {
+ if (netif_subqueue_stopped(local->mdev, skb))
+ return IEEE80211_TX_AGAIN;
+ info = IEEE80211_SKB_CB(skb);
+
ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
"TX to low-level driver", skb);
ret = local->ops->tx(local_to_hw(local), skb);
@@ -1215,6 +1216,7 @@ retry:
if (ret == IEEE80211_TX_FRAG_AGAIN)
skb = NULL;
+
set_bit(queue, local->queues_pending);
smp_mb();
/*
@@ -1708,14 +1710,19 @@ void ieee80211_tx_pending(unsigned long data)
netif_tx_lock_bh(dev);
for (i = 0; i < ieee80211_num_regular_queues(&local->hw); i++) {
/* Check that this queue is ok */
- if (__netif_subqueue_stopped(local->mdev, i))
+ if (__netif_subqueue_stopped(local->mdev, i) &&
+ !test_bit(i, local->queues_pending_run))
continue;
if (!test_bit(i, local->queues_pending)) {
+ clear_bit(i, local->queues_pending_run);
ieee80211_wake_queue(&local->hw, i);
continue;
}
+ clear_bit(i, local->queues_pending_run);
+ netif_start_subqueue(local->mdev, i);
+
store = &local->pending_packet[i];
tx.extra_frag = store->extra_frag;
tx.num_extra_frag = store->num_extra_frag;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 19f85e1b369..0d463c80c40 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -361,6 +361,7 @@ void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
struct ieee80211_local *local = hw_to_local(hw);
if (test_bit(queue, local->queues_pending)) {
+ set_bit(queue, local->queues_pending_run);
tasklet_schedule(&local->tx_pending_tasklet);
} else {
netif_wake_subqueue(local->mdev, queue);
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 28437f0001d..4310e2f6566 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -241,12 +241,14 @@ void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
} else {
struct netdev_queue *txq;
spinlock_t *root_lock;
+ struct Qdisc *q;
txq = netdev_get_tx_queue(local->mdev, agg_queue);
- root_lock = qdisc_root_lock(txq->qdisc);
+ q = rcu_dereference(txq->qdisc);
+ root_lock = qdisc_lock(q);
spin_lock_bh(root_lock);
- qdisc_reset(txq->qdisc);
+ qdisc_reset(q);
spin_unlock_bh(root_lock);
}
}