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-rw-r--r--include/net/ieee80211_radiotap.h2
-rw-r--r--include/net/mac80211.h116
2 files changed, 98 insertions, 20 deletions
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 23c3f3d9777..9d3d86aaccb 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -80,7 +80,7 @@ struct ieee80211_radiotap_header {
* Additional extensions are made
* by setting bit 31.
*/
-};
+} __packed;
/* Name Data type Units
* ---- --------- -----
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c42c4a820b8..2c10eac637d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -494,7 +494,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* @RX_FLAG_MMIC_ERROR: Michael MIC error was reported on this frame.
* Use together with %RX_FLAG_MMIC_STRIPPED.
* @RX_FLAG_DECRYPTED: This frame was decrypted in hardware.
- * @RX_FLAG_RADIOTAP: This frame starts with a radiotap header.
* @RX_FLAG_MMIC_STRIPPED: the Michael MIC is stripped off this frame,
* verification has been done by the hardware.
* @RX_FLAG_IV_STRIPPED: The IV/ICV are stripped from this frame.
@@ -515,7 +514,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
enum mac80211_rx_flags {
RX_FLAG_MMIC_ERROR = 1<<0,
RX_FLAG_DECRYPTED = 1<<1,
- RX_FLAG_RADIOTAP = 1<<2,
RX_FLAG_MMIC_STRIPPED = 1<<3,
RX_FLAG_IV_STRIPPED = 1<<4,
RX_FLAG_FAILED_FCS_CRC = 1<<5,
@@ -554,7 +552,7 @@ struct ieee80211_rx_status {
int freq;
int signal;
int noise;
- int qual;
+ int __deprecated qual;
int antenna;
int rate_idx;
int flag;
@@ -565,7 +563,9 @@ struct ieee80211_rx_status {
*
* Flags to define PHY configuration options
*
- * @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
+ * @IEEE80211_CONF_MONITOR: there's a monitor interface present -- use this
+ * to determine for example whether to calculate timestamps for packets
+ * or not, do not use instead of filter flags!
* @IEEE80211_CONF_PS: Enable 802.11 power save mode (managed mode only)
* @IEEE80211_CONF_IDLE: The device is running, but idle; if the flag is set
* the driver should be prepared to handle configuration requests but
@@ -574,7 +574,7 @@ struct ieee80211_rx_status {
* it can also be unset in that case when monitor interfaces are active.
*/
enum ieee80211_conf_flags {
- IEEE80211_CONF_RADIOTAP = (1<<0),
+ IEEE80211_CONF_MONITOR = (1<<0),
IEEE80211_CONF_PS = (1<<1),
IEEE80211_CONF_IDLE = (1<<2),
};
@@ -584,7 +584,7 @@ enum ieee80211_conf_flags {
* enum ieee80211_conf_changed - denotes which configuration changed
*
* @IEEE80211_CONF_CHANGE_LISTEN_INTERVAL: the listen interval changed
- * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed
+ * @IEEE80211_CONF_CHANGE_MONITOR: the monitor flag changed
* @IEEE80211_CONF_CHANGE_PS: the PS flag or dynamic PS timeout changed
* @IEEE80211_CONF_CHANGE_POWER: the TX power changed
* @IEEE80211_CONF_CHANGE_CHANNEL: the channel/channel_type changed
@@ -593,7 +593,7 @@ enum ieee80211_conf_flags {
*/
enum ieee80211_conf_changed {
IEEE80211_CONF_CHANGE_LISTEN_INTERVAL = BIT(2),
- IEEE80211_CONF_CHANGE_RADIOTAP = BIT(3),
+ IEEE80211_CONF_CHANGE_MONITOR = BIT(3),
IEEE80211_CONF_CHANGE_PS = BIT(4),
IEEE80211_CONF_CHANGE_POWER = BIT(5),
IEEE80211_CONF_CHANGE_CHANNEL = BIT(6),
@@ -1661,8 +1661,7 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
* ieee80211_rx - receive frame
*
* Use this function to hand received frames to mac80211. The receive
- * buffer in @skb must start with an IEEE 802.11 header or a radiotap
- * header if %RX_FLAG_RADIOTAP is set in the @status flags.
+ * buffer in @skb must start with an IEEE 802.11 header.
*
* This function may not be called in IRQ context. Calls to this function
* for a single hardware must be synchronized against each other. Calls to
@@ -1744,19 +1743,45 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
struct sk_buff *skb);
/**
- * ieee80211_beacon_get - beacon generation function
+ * ieee80211_beacon_get_tim - beacon generation function
* @hw: pointer obtained from ieee80211_alloc_hw().
* @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @tim_offset: pointer to variable that will receive the TIM IE offset.
+ * Set to 0 if invalid (in non-AP modes).
+ * @tim_length: pointer to variable that will receive the TIM IE length,
+ * (including the ID and length bytes!).
+ * Set to 0 if invalid (in non-AP modes).
+ *
+ * If the driver implements beaconing modes, it must use this function to
+ * obtain the beacon frame/template.
*
* If the beacon frames are generated by the host system (i.e., not in
- * hardware/firmware), the low-level driver uses this function to receive
- * the next beacon frame from the 802.11 code. The low-level is responsible
- * for calling this function before beacon data is needed (e.g., based on
- * hardware interrupt). Returned skb is used only once and low-level driver
- * is responsible for freeing it.
+ * hardware/firmware), the driver uses this function to get each beacon
+ * frame from mac80211 -- it is responsible for calling this function
+ * before the beacon is needed (e.g. based on hardware interrupt).
+ *
+ * If the beacon frames are generated by the device, then the driver
+ * must use the returned beacon as the template and change the TIM IE
+ * according to the current DTIM parameters/TIM bitmap.
+ *
+ * The driver is responsible for freeing the returned skb.
+ */
+struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u16 *tim_offset, u16 *tim_length);
+
+/**
+ * ieee80211_beacon_get - beacon generation function
+ * @hw: pointer obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ *
+ * See ieee80211_beacon_get_tim().
*/
-struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
+static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ return ieee80211_beacon_get_tim(hw, vif, NULL, NULL);
+}
/**
* ieee80211_rts_get - RTS frame generation function
@@ -2081,16 +2106,69 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
/**
* ieee80211_find_sta - find a station
*
- * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @vif: virtual interface to look for station on
* @addr: station's address
*
* This function must be called under RCU lock and the
* resulting pointer is only valid under RCU lock as well.
*/
-struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
+struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
const u8 *addr);
/**
+ * ieee80211_find_sta_by_hw - find a station on hardware
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @addr: station's address
+ *
+ * This function must be called under RCU lock and the
+ * resulting pointer is only valid under RCU lock as well.
+ *
+ * NOTE: This function should not be used! When mac80211 is converted
+ * internally to properly keep track of stations on multiple
+ * virtual interfaces, it will not always know which station to
+ * return here since a single address might be used by multiple
+ * logical stations (e.g. consider a station connecting to another
+ * BSSID on the same AP hardware without disconnecting first).
+ *
+ * DO NOT USE THIS FUNCTION.
+ */
+struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
+ const u8 *addr);
+
+/**
+ * ieee80211_sta_block_awake - block station from waking up
+ * @hw: the hardware
+ * @pubsta: the station
+ * @block: whether to block or unblock
+ *
+ * Some devices require that all frames that are on the queues
+ * for a specific station that went to sleep are flushed before
+ * a poll response or frames after the station woke up can be
+ * delivered to that it. Note that such frames must be rejected
+ * by the driver as filtered, with the appropriate status flag.
+ *
+ * This function allows implementing this mode in a race-free
+ * manner.
+ *
+ * To do this, a driver must keep track of the number of frames
+ * still enqueued for a specific station. If this number is not
+ * zero when the station goes to sleep, the driver must call
+ * this function to force mac80211 to consider the station to
+ * be asleep regardless of the station's actual state. Once the
+ * number of outstanding frames reaches zero, the driver must
+ * call this function again to unblock the station. That will
+ * cause mac80211 to be able to send ps-poll responses, and if
+ * the station queried in the meantime then frames will also
+ * be sent out as a result of this. Additionally, the driver
+ * will be notified that the station woke up some time after
+ * it is unblocked, regardless of whether the station actually
+ * woke up while blocked or not.
+ */
+void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
+ struct ieee80211_sta *pubsta, bool block);
+
+/**
* ieee80211_beacon_loss - inform hardware does not receive beacons
*
* @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.