Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / ieee80211_i.h

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4aea4e7911135133818e66a1439b111d14e6147e..ed5bf8b4b5c2bfb8d4253a0dbaa15b76aac309dd 100644 (file)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -728,6 +728,7 @@ struct ieee80211_sub_if_data {
        u16 sequence_number;
        __be16 control_port_protocol;
        bool control_port_no_encrypt;
+       int encrypt_headroom;
 
        struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
 
@@ -735,6 +736,7 @@ struct ieee80211_sub_if_data {
        int csa_counter_offset_beacon;
        int csa_counter_offset_presp;
        bool csa_radar_required;
+       struct cfg80211_chan_def csa_chandef;
 
        /* used to reconfigure hardware SM PS */
        struct work_struct recalc_smps;
@@ -811,6 +813,9 @@ static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
        __release(&sdata->wdev.mtx);
 }
 
+#define sdata_dereference(p, sdata) \
+       rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
+
 static inline void
 sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
 {
@@ -896,6 +901,24 @@ struct tpt_led_trigger {
 };
 #endif
 
+/*
+ * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges
+ *
+ * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a
+ * certain latency range (in Milliseconds). Each station that uses these
+ * ranges will have bins to count the amount of frames received in that range.
+ * The user can configure the ranges via debugfs.
+ * If ranges is NULL then Tx latency statistics bins are disabled for all
+ * stations.
+ *
+ * @n_ranges: number of ranges that are taken in account
+ * @ranges: the ranges that the user requested or NULL if disabled.
+ */
+struct ieee80211_tx_latency_bin_ranges {
+       int n_ranges;
+       u32 ranges[];
+};
+
 /**
  * mac80211 scan flags - currently active scan mode
  *
@@ -1048,6 +1071,12 @@ struct ieee80211_local {
        struct timer_list sta_cleanup;
        int sta_generation;
 
+       /*
+        * Tx latency statistics parameters for all stations.
+        * Can enable via debugfs (NULL when disabled).
+        */
+       struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency;
+
        struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
        struct tasklet_struct tx_pending_tasklet;
 
@@ -1093,7 +1122,6 @@ struct ieee80211_local {
        enum mac80211_scan_state next_scan_state;
        struct delayed_work scan_work;
        struct ieee80211_sub_if_data __rcu *scan_sdata;
-       struct cfg80211_chan_def csa_chandef;
        /* For backward compatibility only -- do not use */
        struct cfg80211_chan_def _oper_chandef;
 
@@ -1693,6 +1721,7 @@ int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
                                enum ieee80211_smps_mode smps_mode);
 void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
+void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
 
 size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
                          const u8 *ids, int n_ids, size_t offset);
@@ -1731,7 +1760,6 @@ ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
 /* NOTE: only use ieee80211_vif_change_channel() for channel switch */
 int __must_check
 ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
-                            const struct cfg80211_chan_def *chandef,
                             u32 *changed);
 void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
 void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
@@ -1742,6 +1770,8 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
                                   struct ieee80211_chanctx *chanctx);
 void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
                                    struct ieee80211_chanctx *chanctx);
+void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
+                                     struct ieee80211_chanctx *ctx);
 
 void ieee80211_dfs_cac_timer(unsigned long data);
 void ieee80211_dfs_cac_timer_work(struct work_struct *work);
@@ -1750,6 +1780,15 @@ void ieee80211_dfs_radar_detected_work(struct work_struct *work);
 int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
                              struct cfg80211_csa_settings *csa_settings);
 
+bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
+bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
+const struct ieee80211_cipher_scheme *
+ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
+                enum nl80211_iftype iftype);
+int ieee80211_cs_headroom(struct ieee80211_local *local,
+                         struct cfg80211_crypto_settings *crypto,
+                         enum nl80211_iftype iftype);
+
 #ifdef CONFIG_MAC80211_NOINLINE
 #define debug_noinline noinline
 #else