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Diffstat (limited to 'net/mac80211/ieee80211_i.h')
-rw-r--r--net/mac80211/ieee80211_i.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8c804550465b..9a058e58d53e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -658,6 +658,30 @@ enum ieee80211_sdata_state_bits {
SDATA_STATE_OFFCHANNEL,
};
+/**
+ * enum ieee80211_chanctx_mode - channel context configuration mode
+ *
+ * @IEEE80211_CHANCTX_SHARED: channel context may be used by
+ * multiple interfaces
+ * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
+ * only by a single interface. This can be used for example for
+ * non-fixed channel IBSS.
+ */
+enum ieee80211_chanctx_mode {
+ IEEE80211_CHANCTX_SHARED,
+ IEEE80211_CHANCTX_EXCLUSIVE
+};
+
+struct ieee80211_chanctx {
+ struct list_head list;
+ struct rcu_head rcu_head;
+
+ enum ieee80211_chanctx_mode mode;
+ int refcount;
+
+ struct ieee80211_chanctx_conf conf;
+};
+
struct ieee80211_sub_if_data {
struct list_head list;
@@ -987,6 +1011,10 @@ struct ieee80211_local {
struct ieee80211_channel *tmp_channel;
enum nl80211_channel_type tmp_channel_type;
+ /* channel contexts */
+ struct list_head chanctx_list;
+ struct mutex chanctx_mtx;
+
/* SNMP counters */
/* dot11CountersTable */
u32 dot11TransmittedFragmentCount;
@@ -1510,6 +1538,13 @@ bool ieee80211_set_channel_type(struct ieee80211_local *local,
enum nl80211_channel_type
ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper);
+int __must_check
+ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type,
+ enum ieee80211_chanctx_mode mode);
+void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
+
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else