summaryrefslogtreecommitdiff
path: root/net/mac80211
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c3
-rw-r--r--net/mac80211/iface.c47
-rw-r--r--net/mac80211/mlme.c8
-rw-r--r--net/mac80211/rc80211_pid_algo.c2
-rw-r--r--net/mac80211/rx.c8
-rw-r--r--net/mac80211/scan.c10
-rw-r--r--net/mac80211/tx.c5
-rw-r--r--net/mac80211/util.c12
-rw-r--r--net/mac80211/wme.c96
-rw-r--r--net/mac80211/wme.h8
10 files changed, 156 insertions, 43 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6dc3579c0ac5..9ae1a4760b58 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1331,6 +1331,9 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_conf *conf = &local->hw.conf;
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return -EOPNOTSUPP;
+
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
return -EOPNOTSUPP;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 80c16f6e2af6..32abae3ce32a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -15,12 +15,14 @@
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
+#include <net/ieee80211_radiotap.h>
#include "ieee80211_i.h"
#include "sta_info.h"
#include "debugfs_netdev.h"
#include "mesh.h"
#include "led.h"
#include "driver-ops.h"
+#include "wme.h"
/**
* DOC: Interface list locking
@@ -314,7 +316,7 @@ static int ieee80211_open(struct net_device *dev)
if (sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
- netif_start_queue(dev);
+ netif_tx_start_all_queues(dev);
return 0;
err_del_interface:
@@ -343,7 +345,7 @@ static int ieee80211_stop(struct net_device *dev)
/*
* Stop TX on this interface first.
*/
- netif_stop_queue(dev);
+ netif_tx_stop_all_queues(dev);
/*
* Now delete all active aggregation sessions.
@@ -644,6 +646,12 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
WARN_ON(flushed);
}
+static u16 ieee80211_netdev_select_queue(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
+}
+
static const struct net_device_ops ieee80211_dataif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
@@ -652,8 +660,38 @@ static const struct net_device_ops ieee80211_dataif_ops = {
.ndo_set_multicast_list = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
+ .ndo_select_queue = ieee80211_netdev_select_queue,
};
+static u16 ieee80211_monitor_select_queue(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_hdr *hdr;
+ struct ieee80211_radiotap_header *rtap = (void *)skb->data;
+ u8 *p;
+
+ if (local->hw.queues < 4)
+ return 0;
+
+ if (skb->len < 4 ||
+ skb->len < le16_to_cpu(rtap->it_len) + 2 /* frame control */)
+ return 0; /* doesn't matter, frame will be dropped */
+
+ hdr = (void *)((u8 *)skb->data + le16_to_cpu(rtap->it_len));
+
+ if (!ieee80211_is_data_qos(hdr->frame_control)) {
+ skb->priority = 7;
+ return ieee802_1d_to_ac[skb->priority];
+ }
+
+ p = ieee80211_get_qos_ctl(hdr);
+ skb->priority = *p & IEEE80211_QOS_CTL_TAG1D_MASK;
+
+ return ieee80211_downgrade_queue(local, skb);
+}
+
static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
@@ -662,6 +700,7 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_set_multicast_list = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
+ .ndo_select_queue = ieee80211_monitor_select_queue,
};
static void ieee80211_if_setup(struct net_device *dev)
@@ -768,8 +807,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ASSERT_RTNL();
- ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup);
+ ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size,
+ name, ieee80211_if_setup, local->hw.queues);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c79e59f82fd9..05a18f43e1bf 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -942,7 +942,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
- netif_start_queue(sdata->dev);
+ netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
}
@@ -1074,7 +1074,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
* time -- we don't want the scan code to enable queues.
*/
- netif_stop_queue(sdata->dev);
+ netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
rcu_read_lock();
@@ -1963,7 +1963,9 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
rma = ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_ACTION:
- /* XXX: differentiate, can only happen for CSA now! */
+ if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)
+ break;
+
ieee80211_sta_process_chanswitch(sdata,
&mgmt->u.action.u.chan_switch.sw_elem,
ifmgd->associated);
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 699d3ed869c4..29bc4c516238 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -190,7 +190,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
rate_control_pid_normalize(pinfo, sband->n_bitrates);
/* Compute the proportional, integral and derivative errors. */
- err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf;
+ err_prop = (pinfo->target - pf) << RC_PID_ARITH_SHIFT;
err_avg = spinfo->err_avg_sc >> pinfo->smoothing_shift;
spinfo->err_avg_sc = spinfo->err_avg_sc - err_avg + err_prop;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9f2807aeaf52..82a30c1bf3ab 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1746,7 +1746,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
memset(info, 0, sizeof(*info));
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
info->control.vif = &rx->sdata->vif;
- ieee80211_select_queue(local, fwd_skb);
+ skb_set_queue_mapping(skb,
+ ieee80211_select_queue(rx->sdata, fwd_skb));
+ ieee80211_set_qos_hdr(local, skb);
if (is_multicast_ether_addr(fwd_hdr->addr1))
IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
fwded_mcast);
@@ -2013,6 +2015,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
}
break;
default:
+ /* do not process rejected action frames */
+ if (mgmt->u.action.category & 0x80)
+ return RX_DROP_MONITOR;
+
return RX_CONTINUE;
}
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f1a4c7160300..f934c9620b73 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -353,10 +353,10 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (sdata->u.mgd.associated) {
ieee80211_scan_ps_disable(sdata);
- netif_wake_queue(sdata->dev);
+ netif_tx_wake_all_queues(sdata->dev);
}
} else
- netif_wake_queue(sdata->dev);
+ netif_tx_wake_all_queues(sdata->dev);
/* re-enable beaconing */
if (sdata->vif.type == NL80211_IFTYPE_AP ||
@@ -411,7 +411,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
* are handled in the scan state machine
*/
if (sdata->vif.type != NL80211_IFTYPE_STATION)
- netif_stop_queue(sdata->dev);
+ netif_tx_stop_all_queues(sdata->dev);
}
mutex_unlock(&local->iflist_mtx);
@@ -575,7 +575,7 @@ static void ieee80211_scan_state_leave_oper_channel(struct ieee80211_local *loca
continue;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- netif_stop_queue(sdata->dev);
+ netif_tx_stop_all_queues(sdata->dev);
if (sdata->u.mgd.associated)
ieee80211_scan_ps_enable(sdata);
}
@@ -610,7 +610,7 @@ static void ieee80211_scan_state_enter_oper_channel(struct ieee80211_local *loca
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (sdata->u.mgd.associated)
ieee80211_scan_ps_disable(sdata);
- netif_wake_queue(sdata->dev);
+ netif_tx_wake_all_queues(sdata->dev);
}
}
mutex_unlock(&local->iflist_mtx);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 27ceaefd7bc8..ac210b586702 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1512,7 +1512,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
return;
}
- ieee80211_select_queue(local, skb);
+ ieee80211_set_qos_hdr(local, skb);
ieee80211_tx(sdata, skb, false);
rcu_read_unlock();
}
@@ -2291,6 +2291,9 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
skb_set_network_header(skb, 0);
skb_set_transport_header(skb, 0);
+ /* send all internal mgmt frames on VO */
+ skb_set_queue_mapping(skb, 0);
+
/*
* The other path calling ieee80211_xmit is from the tasklet,
* and while we can handle concurrent transmissions locking
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index dc76267e436e..3848140313f5 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -269,6 +269,7 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
if (WARN_ON(queue >= hw->queues))
return;
@@ -281,6 +282,11 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
if (!skb_queue_empty(&local->pending[queue]))
tasklet_schedule(&local->tx_pending_tasklet);
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+ rcu_read_unlock();
}
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -305,11 +311,17 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
if (WARN_ON(queue >= hw->queues))
return;
__set_bit(reason, &local->queue_stop_reasons[queue]);
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ netif_tx_stop_queue(netdev_get_tx_queue(sdata->dev, queue));
+ rcu_read_unlock();
}
void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index b19b7696f3a2..79d887dae738 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -44,22 +44,69 @@ static int wme_downgrade_ac(struct sk_buff *skb)
}
-/* Indicate which queue to use. */
-static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb)
+/* Indicate which queue to use. */
+u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta = NULL;
+ u32 sta_flags = 0;
+ const u8 *ra = NULL;
+ bool qos = false;
- if (!ieee80211_is_data(hdr->frame_control)) {
- /* management frames go on AC_VO queue, but are sent
- * without QoS control fields */
- return 0;
+ if (local->hw.queues < 4 || skb->len < 6) {
+ skb->priority = 0; /* required for correct WPA/11i MIC */
+ return min_t(u16, local->hw.queues - 1,
+ ieee802_1d_to_ac[skb->priority]);
+ }
+
+ rcu_read_lock();
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ rcu_read_lock();
+ sta = rcu_dereference(sdata->u.vlan.sta);
+ if (sta)
+ sta_flags = get_sta_flags(sta);
+ rcu_read_unlock();
+ if (sta)
+ break;
+ case NL80211_IFTYPE_AP:
+ ra = skb->data;
+ break;
+ case NL80211_IFTYPE_WDS:
+ ra = sdata->u.wds.remote_addr;
+ break;
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ /*
+ * XXX: This is clearly broken ... but already was before,
+ * because ieee80211_fill_mesh_addresses() would clear A1
+ * except for multicast addresses.
+ */
+ break;
+#endif
+ case NL80211_IFTYPE_STATION:
+ ra = sdata->u.mgd.bssid;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ra = skb->data;
+ break;
+ default:
+ break;
}
- if (0 /* injected */) {
- /* use AC from radiotap */
+ if (!sta && ra && !is_multicast_ether_addr(ra)) {
+ sta = sta_info_get(local, ra);
+ if (sta)
+ sta_flags = get_sta_flags(sta);
}
- if (!ieee80211_is_data_qos(hdr->frame_control)) {
+ if (sta_flags & WLAN_STA_WME)
+ qos = true;
+
+ rcu_read_unlock();
+
+ if (!qos) {
skb->priority = 0; /* required for correct WPA/11i MIC */
return ieee802_1d_to_ac[skb->priority];
}
@@ -68,6 +115,12 @@ static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb)
* data frame has */
skb->priority = cfg80211_classify8021d(skb);
+ return ieee80211_downgrade_queue(local, skb);
+}
+
+u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
+ struct sk_buff *skb)
+{
/* in case we are a client verify acm is not set for this ac */
while (unlikely(local->wmm_acm & BIT(skb->priority))) {
if (wme_downgrade_ac(skb)) {
@@ -85,24 +138,17 @@ static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb)
return ieee802_1d_to_ac[skb->priority];
}
-void ieee80211_select_queue(struct ieee80211_local *local, struct sk_buff *skb)
+void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 queue;
- u8 tid;
-
- queue = classify80211(local, skb);
- if (unlikely(queue >= local->hw.queues))
- queue = local->hw.queues - 1;
-
- /*
- * Now we know the 1d priority, fill in the QoS header if
- * there is one (and we haven't done this before).
- */
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+
+ /* Fill in the QoS header if there is one. */
if (ieee80211_is_data_qos(hdr->frame_control)) {
u8 *p = ieee80211_get_qos_ctl(hdr);
- u8 ack_policy = 0;
+ u8 ack_policy = 0, tid;
+
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
+
if (unlikely(local->wifi_wme_noack_test))
ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
QOS_CONTROL_ACK_POLICY_SHIFT;
@@ -110,6 +156,4 @@ void ieee80211_select_queue(struct ieee80211_local *local, struct sk_buff *skb)
*p++ = ack_policy | tid;
*p = 0;
}
-
- skb_set_queue_mapping(skb, queue);
}
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index d4fd87ca5118..6053b1c9feee 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -20,7 +20,11 @@
extern const int ieee802_1d_to_ac[8];
-void ieee80211_select_queue(struct ieee80211_local *local,
- struct sk_buff *skb);
+u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb);
+u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
+ struct sk_buff *skb);
+
#endif /* _WME_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 16:48:48 +0000