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-rw-r--r--net/wireless/util.c57
1 files changed, 22 insertions, 35 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index d39c37104ae2..e5872ff2c27c 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -11,6 +11,7 @@
#include <net/ip.h>
#include <net/dsfield.h>
#include <linux/if_vlan.h>
+#include <linux/mpls.h>
#include "core.h"
#include "rdev-ops.h"
@@ -717,6 +718,21 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb,
case htons(ETH_P_IPV6):
dscp = ipv6_get_dsfield(ipv6_hdr(skb)) & 0xfc;
break;
+ case htons(ETH_P_MPLS_UC):
+ case htons(ETH_P_MPLS_MC): {
+ struct mpls_label mpls_tmp, *mpls;
+
+ mpls = skb_header_pointer(skb, sizeof(struct ethhdr),
+ sizeof(*mpls), &mpls_tmp);
+ if (!mpls)
+ return 0;
+
+ return (ntohl(mpls->entry) & MPLS_LS_TC_MASK)
+ >> MPLS_LS_TC_SHIFT;
+ }
+ case htons(ETH_P_80221):
+ /* 802.21 is always network control traffic */
+ return 7;
default:
return 0;
}
@@ -820,7 +836,8 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
ev->dc.reason, true);
break;
case EVENT_IBSS_JOINED:
- __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid);
+ __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid,
+ ev->ij.channel);
break;
}
wdev_unlock(wdev);
@@ -837,7 +854,6 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev)
struct wireless_dev *wdev;
ASSERT_RTNL();
- ASSERT_RDEV_LOCK(rdev);
list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
@@ -850,7 +866,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
int err;
enum nl80211_iftype otype = dev->ieee80211_ptr->iftype;
- ASSERT_RDEV_LOCK(rdev);
+ ASSERT_RTNL();
/* don't support changing VLANs, you just re-create them */
if (otype == NL80211_IFTYPE_AP_VLAN)
@@ -885,7 +901,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
switch (otype) {
case NL80211_IFTYPE_AP:
- cfg80211_stop_ap(rdev, dev);
+ cfg80211_stop_ap(rdev, dev, true);
break;
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, false);
@@ -1268,7 +1284,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
enum cfg80211_chan_mode chmode;
int num_different_channels = 0;
int total = 1;
- bool radar_required = false;
int i, j;
ASSERT_RTNL();
@@ -1276,35 +1291,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
if (WARN_ON(hweight32(radar_detect) > 1))
return -EINVAL;
- switch (iftype) {
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_MESH_POINT:
- case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_WDS:
- /* if the interface could potentially choose a DFS channel,
- * then mark DFS as required.
- */
- if (!chan) {
- if (chanmode != CHAN_MODE_UNDEFINED && radar_detect)
- radar_required = true;
- break;
- }
- radar_required = !!(chan->flags & IEEE80211_CHAN_RADAR);
- break;
- case NL80211_IFTYPE_P2P_CLIENT:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_P2P_DEVICE:
- case NL80211_IFTYPE_MONITOR:
- break;
- case NUM_NL80211_IFTYPES:
- case NL80211_IFTYPE_UNSPECIFIED:
- default:
- return -EINVAL;
- }
-
- if (radar_required && !radar_detect)
+ if (WARN_ON(iftype >= NUM_NL80211_IFTYPES))
return -EINVAL;
/* Always allow software iftypes */
@@ -1356,7 +1343,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
*/
mutex_lock_nested(&wdev_iter->mtx, 1);
__acquire(wdev_iter->mtx);
- cfg80211_get_chan_state(wdev_iter, &ch, &chmode);
+ cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect);
wdev_unlock(wdev_iter);
switch (chmode) {