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-rw-r--r--net/mac80211/iface.c39
-rw-r--r--net/mac80211/rx.c4
-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
6 files changed, 132 insertions, 32 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7218966..c20dddd 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
@@ -658,6 +660,12 @@ 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,
@@ -666,8 +674,34 @@ 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 = ieee80211_change_mac,
+ .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;
+
+ if (local->hw.queues < 4)
+ return 0;
+
+ if (skb->len < 4 ||
+ skb->len < rtap->it_len + 2 /* frame control */)
+ return 0; /* doesn't matter, frame will be dropped */
+
+ hdr = (void *)((u8 *)skb->data + rtap->it_len);
+
+ if (!ieee80211_is_data(hdr->frame_control)) {
+ skb->priority = 7;
+ return ieee802_1d_to_ac[skb->priority];
+ }
+
+ return ieee80211_downgrade_queue(local, skb);
+}
+
static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
@@ -676,6 +710,7 @@ 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)
@@ -782,8 +817,8 @@ 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/rx.c b/net/mac80211/rx.c
index bfcf09e..e12f39a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1665,7 +1665,9 @@ 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);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7bba49d..140da4a 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1511,7 +1511,7 @@ 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();
}
@@ -2289,6 +2289,9 @@ 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 4635d4e..bc73904 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -268,6 +268,7 @@ 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;
@@ -280,6 +281,11 @@ 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,
@@ -304,11 +310,17 @@ 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 b19b769..34e6d02 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(sdata, 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 d4fd87c..6053b1c 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 v1.1 at 2024-12-27 19:16:38 +0000