* Drivers indicate that they use this model by implementing the .wake_tx_queue
* driver operation.
*
- * Intermediate queues (struct ieee80211_txq) are kept per-sta per-tid, with a
- * single per-vif queue for multicast data frames.
+ * Intermediate queues (struct ieee80211_txq) are kept per-sta per-tid, with
+ * another per-sta for non-data/non-mgmt and bufferable management frames, and
+ * a single per-vif queue for multicast data frames.
*
* The driver is expected to initialize its private per-queue data for stations
* and interfaces in the .add_interface and .sta_add ops.
* from the RX info data, so leave those zeroed when building this data)
* @RX_FLAG_RADIOTAP_HE_MU: HE MU radiotap data is present
* (&struct ieee80211_radiotap_he_mu)
+ * @RX_FLAG_RADIOTAP_LSIG: L-SIG radiotap data is present
*/
enum mac80211_rx_flags {
RX_FLAG_MMIC_ERROR = BIT(0),
RX_FLAG_AMPDU_EOF_BIT_KNOWN = BIT(25),
RX_FLAG_RADIOTAP_HE = BIT(26),
RX_FLAG_RADIOTAP_HE_MU = BIT(27),
+ RX_FLAG_RADIOTAP_LSIG = BIT(28),
};
/**
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void \*).
* @txq: the multicast data TX queue (if driver uses the TXQ abstraction)
+ * @txqs_stopped: per AC flag to indicate that intermediate TXQs are stopped,
+ * protected by fq->lock.
*/
struct ieee80211_vif {
enum nl80211_iftype type;
unsigned int probe_req_reg;
+ bool txqs_stopped[IEEE80211_NUM_ACS];
+
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};
* unlimited.
* @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not.
* @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control.
- * @txq: per-TID data TX queues (if driver uses the TXQ abstraction)
+ * @txq: per-TID data TX queues (if driver uses the TXQ abstraction); note that
+ * the last entry (%IEEE80211_NUM_TIDS) is used for non-data frames
*/
struct ieee80211_sta {
u32 supp_rates[NUM_NL80211_BANDS];
bool support_p2p_ps;
u16 max_rc_amsdu_len;
- struct ieee80211_txq *txq[IEEE80211_NUM_TIDS];
+ struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1];
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
* @sta: station table entry, %NULL for per-vif queue
- * @tid: the TID for this queue (unused for per-vif queue)
+ * @tid: the TID for this queue (unused for per-vif queue),
+ * %IEEE80211_NUM_TIDS for non-data (if enabled)
* @ac: the AC for this queue
* @drv_priv: driver private area, sized by hw->txq_data_size
*
* @IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP: The driver (or firmware) doesn't
* support QoS NDP for AP probing - that's most likely a driver bug.
*
+ * @IEEE80211_HW_BUFF_MMPDU_TXQ: use the TXQ for bufferable MMPDUs, this of
+ * course requires the driver to use TXQs to start with.
+ *
+ * @IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW: (Hardware) rate control supports VHT
+ * extended NSS BW (dot11VHTExtendedNSSBWCapable). This flag will be set if
+ * the selected rate control algorithm sets %RATE_CTRL_CAPA_VHT_EXT_NSS_BW
+ * but if the rate control is built-in then it must be set by the driver.
+ * See also the documentation for that flag.
+ *
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA,
IEEE80211_HW_DEAUTH_NEED_MGD_TX_PREP,
IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP,
+ IEEE80211_HW_BUFF_MMPDU_TXQ,
+ IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS
* supported by HW.
* @max_nan_de_entries: maximum number of NAN DE functions supported by the
* device.
+ *
+ * @tx_sk_pacing_shift: Pacing shift to set on TCP sockets when frames from
+ * them are encountered. The default should typically not be changed,
+ * unless the driver has good reasons for needing more buffers.
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
u8 n_cipher_schemes;
const struct ieee80211_cipher_scheme *cipher_schemes;
u8 max_nan_de_entries;
+ u8 tx_sk_pacing_shift;
};
static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
* The set_default_unicast_key() call updates the default WEP key index
* configured to the hardware for WEP encryption type. This is required
* for devices that support offload of data packets (e.g. ARP responses).
+ *
+ * Mac80211 drivers should set the @NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 flag
+ * when they are able to replace in-use PTK keys according to to following
+ * requirements:
+ * 1) They do not hand over frames decrypted with the old key to
+ mac80211 once the call to set_key() with command %DISABLE_KEY has been
+ completed when also setting @IEEE80211_KEY_FLAG_GENERATE_IV for any key,
+ 2) either drop or continue to use the old key for any outgoing frames queued
+ at the time of the key deletion (including re-transmits),
+ 3) never send out a frame queued prior to the set_key() %SET_KEY command
+ encrypted with the new key and
+ 4) never send out a frame unencrypted when it should be encrypted.
+ Mac80211 will not queue any new frames for a deleted key to the driver.
*/
/**
bool bss;
};
+/**
+ * enum rate_control_capabilities - rate control capabilities
+ */
+enum rate_control_capabilities {
+ /**
+ * @RATE_CTRL_CAPA_VHT_EXT_NSS_BW:
+ * Support for extended NSS BW support (dot11VHTExtendedNSSCapable)
+ * Note that this is only looked at if the minimum number of chains
+ * that the AP uses is < the number of TX chains the hardware has,
+ * otherwise the NSS difference doesn't bother us.
+ */
+ RATE_CTRL_CAPA_VHT_EXT_NSS_BW = BIT(0),
+};
+
struct rate_control_ops {
+ unsigned long capa;
const char *name;
void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
void (*free)(void *priv);
projects / mirror_ubuntu-jammy-kernel.git / blobdiff