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-rw-r--r--include/net/mac80211.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index ce7cb1b..7dd67a1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -241,6 +241,8 @@ struct ieee80211_bss_conf {
* it can be sent out.
* @IEEE80211_TX_INTFL_RETRIED: completely internal to mac80211,
* used to indicate that a frame was already retried due to PS
+ * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
+ * used to indicate frame should not be encrypted
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0),
@@ -259,6 +261,7 @@ enum mac80211_tx_control_flags {
IEEE80211_TX_INTFL_RCALGO = BIT(13),
IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14),
IEEE80211_TX_INTFL_RETRIED = BIT(15),
+ IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16),
};
/**
@@ -2094,6 +2097,29 @@ static inline int rate_supported(struct ieee80211_sta *sta,
return (sta == NULL || sta->supp_rates[band] & BIT(index));
}
+/**
+ * rate_control_send_low - helper for drivers for management/no-ack frames
+ *
+ * Rate control algorithms that agree to use the lowest rate to
+ * send management frames and NO_ACK data with the respective hw
+ * retries should use this in the beginning of their mac80211 get_rate
+ * callback. If true is returned the rate control can simply return.
+ * If false is returned we guarantee that sta and sta and priv_sta is
+ * not null.
+ *
+ * Rate control algorithms wishing to do more intelligent selection of
+ * rate for multicast/broadcast frames may choose to not use this.
+ *
+ * @sta: &struct ieee80211_sta pointer to the target destination. Note
+ * that this may be null.
+ * @priv_sta: private rate control structure. This may be null.
+ * @txrc: rate control information we sholud populate for mac80211.
+ */
+bool rate_control_send_low(struct ieee80211_sta *sta,
+ void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc);
+
+
static inline s8
rate_lowest_index(struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta)
@@ -2110,6 +2136,17 @@ rate_lowest_index(struct ieee80211_supported_band *sband,
return 0;
}
+static inline
+bool rate_usable_index_exists(struct ieee80211_supported_band *sband,
+ struct ieee80211_sta *sta)
+{
+ unsigned int i;
+
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (rate_supported(sta, sband->band, i))
+ return true;
+ return false;
+}
int ieee80211_rate_control_register(struct rate_control_ops *ops);
void ieee80211_rate_control_unregister(struct rate_control_ops *ops);