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-rw-r--r--net/mac80211/util.c41
1 files changed, 38 insertions, 3 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 24a465c4df09..4e97b266f907 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -34,11 +34,11 @@ void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
34 34
35/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ 35/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
36/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ 36/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
37const unsigned char rfc1042_header[] = 37const unsigned char rfc1042_header[] __aligned(2) =
38 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; 38 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
39 39
40/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ 40/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
41const unsigned char bridge_tunnel_header[] = 41const unsigned char bridge_tunnel_header[] __aligned(2) =
42 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; 42 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
43 43
44 44
@@ -389,6 +389,41 @@ void ieee80211_iterate_active_interfaces(
389 struct ieee80211_local *local = hw_to_local(hw); 389 struct ieee80211_local *local = hw_to_local(hw);
390 struct ieee80211_sub_if_data *sdata; 390 struct ieee80211_sub_if_data *sdata;
391 391
392 rtnl_lock();
393
394 list_for_each_entry(sdata, &local->interfaces, list) {
395 switch (sdata->vif.type) {
396 case IEEE80211_IF_TYPE_INVALID:
397 case IEEE80211_IF_TYPE_MNTR:
398 case IEEE80211_IF_TYPE_VLAN:
399 continue;
400 case IEEE80211_IF_TYPE_AP:
401 case IEEE80211_IF_TYPE_STA:
402 case IEEE80211_IF_TYPE_IBSS:
403 case IEEE80211_IF_TYPE_WDS:
404 case IEEE80211_IF_TYPE_MESH_POINT:
405 break;
406 }
407 if (sdata->dev == local->mdev)
408 continue;
409 if (netif_running(sdata->dev))
410 iterator(data, sdata->dev->dev_addr,
411 &sdata->vif);
412 }
413
414 rtnl_unlock();
415}
416EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
417
418void ieee80211_iterate_active_interfaces_atomic(
419 struct ieee80211_hw *hw,
420 void (*iterator)(void *data, u8 *mac,
421 struct ieee80211_vif *vif),
422 void *data)
423{
424 struct ieee80211_local *local = hw_to_local(hw);
425 struct ieee80211_sub_if_data *sdata;
426
392 rcu_read_lock(); 427 rcu_read_lock();
393 428
394 list_for_each_entry_rcu(sdata, &local->interfaces, list) { 429 list_for_each_entry_rcu(sdata, &local->interfaces, list) {
@@ -413,4 +448,4 @@ void ieee80211_iterate_active_interfaces(
413 448
414 rcu_read_unlock(); 449 rcu_read_unlock();
415} 450}
416EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces); 451EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);