iwlwifi: mvm: add duplicate packet detection per rx queue

[deliverable/linux.git] / drivers / net / wireless / intel / iwlwifi / mvm / sta.h

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index f95f603ad56cb6c4bf7016174ba27e011a403b75..db701cad87c186d57558c2cff509aa28c8b6196d 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -295,6 +295,16 @@ struct iwl_mvm_key_pn {
        } ____cacheline_aligned_in_smp q[];
 };
 
+/**
+ * struct iwl_mvm_rxq_dup_data - per station per rx queue data
+ * @last_seq: last sequence per tid for duplicate packet detection
+ * @last_sub_frame: last subframe packet
+ */
+struct iwl_mvm_rxq_dup_data {
+       __le16 last_seq[IWL_MAX_TID_COUNT + 1];
+       u8 last_sub_frame[IWL_MAX_TID_COUNT + 1];
+} ____cacheline_aligned_in_smp;
+
 /**
  * struct iwl_mvm_sta - representation of a station in the driver
  * @sta_id: the index of the station in the fw (will be replaced by id_n_color)
@@ -321,6 +331,7 @@ struct iwl_mvm_key_pn {
  *     we are sending frames from an AMPDU queue and there was a hole in
  *     the BA window. To be used for UAPSD only.
  * @ptk_pn: per-queue PTK PN data structures
+ * @dup_data: per queue duplicate packet detection data
  *
  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
  * in the structure for use by driver. This structure is placed in that
@@ -340,8 +351,8 @@ struct iwl_mvm_sta {
        struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT];
        struct iwl_lq_sta lq_sta;
        struct ieee80211_vif *vif;
-
        struct iwl_mvm_key_pn __rcu *ptk_pn[4];
+       struct iwl_mvm_rxq_dup_data *dup_data;
 
        /* Temporary, until the new TLC will control the Tx protection */
        s8 tx_protection;