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-rw-r--r--include/net/mac80211.h107
1 files changed, 49 insertions, 58 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f4ab2fb4d50c..8248e3909fdf 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -66,10 +66,6 @@
*
* Secondly, when the hardware handles fragmentation, the frame handed to
* the driver from mac80211 is the MSDU, not the MPDU.
- *
- * Finally, for received frames, the driver is able to indicate that it has
- * filled a radiotap header and put that in front of the frame; if it does
- * not do so then mac80211 may add this under certain circumstances.
*/
/**
@@ -701,11 +697,11 @@ struct ieee80211_tx_info {
} control;
struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
- int ack_signal;
+ s32 ack_signal;
u8 ampdu_ack_len;
u8 ampdu_len;
u8 antenna;
- /* 21 bytes free */
+ void *status_driver_data[21 / sizeof(void *)];
} status;
struct {
struct ieee80211_tx_rate driver_rates[
@@ -808,9 +804,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
* @RX_FLAG_VHT: VHT MCS was used and rate_index is MCS index
* @RX_FLAG_40MHZ: HT40 (40 MHz) was used
- * @RX_FLAG_80MHZ: 80 MHz was used
- * @RX_FLAG_80P80MHZ: 80+80 MHz was used
- * @RX_FLAG_160MHZ: 160 MHz was used
* @RX_FLAG_SHORT_GI: Short guard interval was used
* @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
* Valid only for data frames (mainly A-MPDU)
@@ -830,6 +823,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* on this subframe
* @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
* is stored in the @ampdu_delimiter_crc field)
+ * @RX_FLAG_LDPC: LDPC was used
* @RX_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3
* @RX_FLAG_10MHZ: 10 MHz (half channel) was used
* @RX_FLAG_5MHZ: 5 MHz (quarter channel) was used
@@ -866,9 +860,7 @@ enum mac80211_rx_flags {
RX_FLAG_AMPDU_DELIM_CRC_KNOWN = BIT(20),
RX_FLAG_MACTIME_END = BIT(21),
RX_FLAG_VHT = BIT(22),
- RX_FLAG_80MHZ = BIT(23),
- RX_FLAG_80P80MHZ = BIT(24),
- RX_FLAG_160MHZ = BIT(25),
+ RX_FLAG_LDPC = BIT(23),
RX_FLAG_STBC_MASK = BIT(26) | BIT(27),
RX_FLAG_10MHZ = BIT(28),
RX_FLAG_5MHZ = BIT(29),
@@ -878,6 +870,23 @@ enum mac80211_rx_flags {
#define RX_FLAG_STBC_SHIFT 26
/**
+ * enum mac80211_rx_vht_flags - receive VHT flags
+ *
+ * These flags are used with the @vht_flag member of
+ * &struct ieee80211_rx_status.
+ * @RX_VHT_FLAG_80MHZ: 80 MHz was used
+ * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
+ * @RX_VHT_FLAG_160MHZ: 160 MHz was used
+ * @RX_VHT_FLAG_BF: packet was beamformed
+ */
+enum mac80211_rx_vht_flags {
+ RX_VHT_FLAG_80MHZ = BIT(0),
+ RX_VHT_FLAG_80P80MHZ = BIT(1),
+ RX_VHT_FLAG_160MHZ = BIT(2),
+ RX_VHT_FLAG_BF = BIT(3),
+};
+
+/**
* struct ieee80211_rx_status - receive status
*
* The low-level driver should provide this information (the subset
@@ -902,26 +911,19 @@ enum mac80211_rx_flags {
* HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
* @vht_nss: number of streams (VHT only)
* @flag: %RX_FLAG_*
+ * @vht_flag: %RX_VHT_FLAG_*
* @rx_flags: internal RX flags for mac80211
* @ampdu_reference: A-MPDU reference number, must be a different value for
* each A-MPDU but the same for each subframe within one A-MPDU
* @ampdu_delimiter_crc: A-MPDU delimiter CRC
- * @vendor_radiotap_bitmap: radiotap vendor namespace presence bitmap
- * @vendor_radiotap_len: radiotap vendor namespace length
- * @vendor_radiotap_align: radiotap vendor namespace alignment. Note
- * that the actual data must be at the start of the SKB data
- * already.
- * @vendor_radiotap_oui: radiotap vendor namespace OUI
- * @vendor_radiotap_subns: radiotap vendor sub namespace
*/
struct ieee80211_rx_status {
u64 mactime;
u32 device_timestamp;
u32 ampdu_reference;
u32 flag;
- u32 vendor_radiotap_bitmap;
- u16 vendor_radiotap_len;
u16 freq;
+ u8 vht_flag;
u8 rate_idx;
u8 vht_nss;
u8 rx_flags;
@@ -931,9 +933,6 @@ struct ieee80211_rx_status {
u8 chains;
s8 chain_signal[IEEE80211_MAX_CHAINS];
u8 ampdu_delimiter_crc;
- u8 vendor_radiotap_align;
- u8 vendor_radiotap_oui[3];
- u8 vendor_radiotap_subns;
};
/**
@@ -1506,8 +1505,6 @@ struct ieee80211_tx_control {
* @IEEE80211_HW_CONNECTION_MONITOR:
* The hardware performs its own connection monitoring, including
* periodic keep-alives to the AP and probing the AP on beacon loss.
- * When this flag is set, signaling beacon-loss will cause an immediate
- * change to disassociated state.
*
* @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC:
* This device needs to get data from beacon before association (i.e.
@@ -1643,10 +1640,6 @@ enum ieee80211_hw_flags {
* the hw can report back.
* @max_rate_tries: maximum number of tries for each stage
*
- * @napi_weight: weight used for NAPI polling. You must specify an
- * appropriate value here if a napi_poll operation is provided
- * by your driver.
- *
* @max_rx_aggregation_subframes: maximum buffer size (number of
* sub-frames) to be used for A-MPDU block ack receiver
* aggregation.
@@ -1700,7 +1693,6 @@ struct ieee80211_hw {
int vif_data_size;
int sta_data_size;
int chanctx_data_size;
- int napi_weight;
u16 queues;
u16 max_listen_interval;
s8 max_signal;
@@ -1895,7 +1887,7 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
*
* Driver informs U-APSD client support by enabling
* %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
- * uapsd paramater in conf_tx() operation. Hardware needs to send the QoS
+ * uapsd parameter in conf_tx() operation. Hardware needs to send the QoS
* Nullfunc frames and stay awake until the service period has ended. To
* utilize U-APSD, dynamic powersave is disabled for voip AC and all frames
* from that AC are transmitted with powersave enabled.
@@ -2101,7 +2093,7 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
* with the number of frames to be released and which TIDs they are
* to come from. In this case, the driver is responsible for setting
* the EOSP (for uAPSD) and MORE_DATA bits in the released frames,
- * to help the @more_data paramter is passed to tell the driver if
+ * to help the @more_data parameter is passed to tell the driver if
* there is more data on other TIDs -- the TIDs to release frames
* from are ignored since mac80211 doesn't know how many frames the
* buffers for those TIDs contain.
@@ -2470,6 +2462,7 @@ enum ieee80211_roc_type {
* This process will continue until sched_scan_stop is called.
*
* @sched_scan_stop: Tell the hardware to stop an ongoing scheduled scan.
+ * In this case, ieee80211_sched_scan_stopped() must not be called.
*
* @sw_scan_start: Notifier function that is called just before a software scan
* is started. Can be NULL, if the driver doesn't need this notification.
@@ -2623,8 +2616,6 @@ enum ieee80211_roc_type {
* callback. They must then call ieee80211_chswitch_done() to indicate
* completion of the channel switch.
*
- * @napi_poll: Poll Rx queue for incoming data frames.
- *
* @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
* Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
* reject TX/RX mask combinations they cannot support by returning -EINVAL
@@ -2662,7 +2653,7 @@ enum ieee80211_roc_type {
* parameters. In the case where the driver buffers some frames for
* sleeping stations mac80211 will use this callback to tell the driver
* to release some frames, either for PS-poll or uAPSD.
- * Note that if the @more_data paramter is %false the driver must check
+ * Note that if the @more_data parameter is %false the driver must check
* if there are more frames on the given TIDs, and if there are more than
* the frames being released then it must still set the more-data bit in
* the frame. If the @more_data parameter is %true, then of course the
@@ -2750,11 +2741,13 @@ enum ieee80211_roc_type {
* @channel_switch_beacon: Starts a channel switch to a new channel.
* Beacons are modified to include CSA or ECSA IEs before calling this
* function. The corresponding count fields in these IEs must be
- * decremented, and when they reach zero the driver must call
+ * decremented, and when they reach 1 the driver must call
* ieee80211_csa_finish(). Drivers which use ieee80211_beacon_get()
* get the csa counter decremented by mac80211, but must check if it is
- * zero using ieee80211_csa_is_complete() after the beacon has been
+ * 1 using ieee80211_csa_is_complete() after the beacon has been
* transmitted and then call ieee80211_csa_finish().
+ * If the CSA count starts as zero or 1, this function will not be called,
+ * since there won't be any time to beacon before the switch anyway.
*
* @join_ibss: Join an IBSS (on an IBSS interface); this is called after all
* information in bss_conf is set up and the beacon can be retrieved. A
@@ -2817,7 +2810,7 @@ struct ieee80211_ops {
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
- void (*sched_scan_stop)(struct ieee80211_hw *hw,
+ int (*sched_scan_stop)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
void (*sw_scan_start)(struct ieee80211_hw *hw);
void (*sw_scan_complete)(struct ieee80211_hw *hw);
@@ -2881,7 +2874,6 @@ struct ieee80211_ops {
void (*flush)(struct ieee80211_hw *hw, u32 queues, bool drop);
void (*channel_switch)(struct ieee80211_hw *hw,
struct ieee80211_channel_switch *ch_switch);
- int (*napi_poll)(struct ieee80211_hw *hw, int budget);
int (*set_antenna)(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
int (*get_antenna)(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
@@ -3163,21 +3155,21 @@ void ieee80211_free_hw(struct ieee80211_hw *hw);
*/
void ieee80211_restart_hw(struct ieee80211_hw *hw);
-/** ieee80211_napi_schedule - schedule NAPI poll
- *
- * Use this function to schedule NAPI polling on a device.
- *
- * @hw: the hardware to start polling
- */
-void ieee80211_napi_schedule(struct ieee80211_hw *hw);
-
-/** ieee80211_napi_complete - complete NAPI polling
- *
- * Use this function to finish NAPI polling on a device.
+/**
+ * ieee80211_napi_add - initialize mac80211 NAPI context
+ * @hw: the hardware to initialize the NAPI context on
+ * @napi: the NAPI context to initialize
+ * @napi_dev: dummy NAPI netdevice, here to not waste the space if the
+ * driver doesn't use NAPI
+ * @poll: poll function
+ * @weight: default weight
*
- * @hw: the hardware to stop polling
+ * See also netif_napi_add().
*/
-void ieee80211_napi_complete(struct ieee80211_hw *hw);
+void ieee80211_napi_add(struct ieee80211_hw *hw, struct napi_struct *napi,
+ struct net_device *napi_dev,
+ int (*poll)(struct napi_struct *, int),
+ int weight);
/**
* ieee80211_rx - receive frame
@@ -3452,13 +3444,13 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
*
* After a channel switch announcement was scheduled and the counter in this
- * announcement hit zero, this function must be called by the driver to
+ * announcement hits 1, this function must be called by the driver to
* notify mac80211 that the channel can be changed.
*/
void ieee80211_csa_finish(struct ieee80211_vif *vif);
/**
- * ieee80211_csa_is_complete - find out if counters reached zero
+ * ieee80211_csa_is_complete - find out if counters reached 1
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
*
* This function returns whether the channel switch counters reached zero.
@@ -4451,7 +4443,6 @@ struct ieee80211_tx_rate_control {
};
struct rate_control_ops {
- struct module *module;
const char *name;
void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
void (*free)(void *priv);
@@ -4553,8 +4544,8 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
struct ieee80211_sta *pubsta,
struct ieee80211_sta_rates *rates);
-int ieee80211_rate_control_register(struct rate_control_ops *ops);
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+int ieee80211_rate_control_register(const struct rate_control_ops *ops);
+void ieee80211_rate_control_unregister(const struct rate_control_ops *ops);
static inline bool
conf_is_ht20(struct ieee80211_conf *conf)