unsigned int dot11RTSSuccessCount;
};
+/**
+ * enum ieee80211_chanctx_change - change flag for channel context
+ * @IEEE80211_CHANCTX_CHANGE_CHANNEL_TYPE: The channel type was changed
+ * @IEEE80211_CHANCTX_CHANGE_RX_CHAINS: The number of RX chains changed
+ */
+enum ieee80211_chanctx_change {
+ IEEE80211_CHANCTX_CHANGE_CHANNEL_TYPE = BIT(0),
+ IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(1),
+};
+
+/**
+ * struct ieee80211_chanctx_conf - channel context that vifs may be tuned to
+ *
+ * This is the driver-visible part. The ieee80211_chanctx
+ * that contains it is visible in mac80211 only.
+ *
+ * @channel: the channel to tune to
+ * @channel_type: the channel (HT) type
+ * @rx_chains_static: The number of RX chains that must always be
+ * active on the channel to receive MIMO transmissions
+ * @rx_chains_dynamic: The number of RX chains that must be enabled
+ * after RTS/CTS handshake to receive SMPS MIMO transmissions;
+ * this will always be >= @rx_chains_always.
+ * @drv_priv: data area for driver use, will always be aligned to
+ * sizeof(void *), size is determined in hw information.
+ */
+struct ieee80211_chanctx_conf {
+ struct ieee80211_channel *channel;
+ enum nl80211_channel_type channel_type;
+
+ u8 rx_chains_static, rx_chains_dynamic;
+
+ u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *))));
+};
+
/**
* enum ieee80211_bss_change - BSS change notification flags
*
* @assoc: association status
* @ibss_joined: indicates whether this station is part of an IBSS
* or not
+ * @ibss_creator: indicates if a new IBSS network is being created
* @aid: association ID number, valid only when @assoc is true
* @use_cts_prot: use CTS protection
* @use_short_preamble: use 802.11b short preamble;
const u8 *bssid;
/* association related data */
bool assoc, ibss_joined;
+ bool ibss_creator;
u16 aid;
/* erp related data */
bool use_cts_prot;
* @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed
* @IEEE80211_CONF_CHANGE_IDLE: Idle flag changed
* @IEEE80211_CONF_CHANGE_SMPS: Spatial multiplexing powersave mode changed
+ * Note that this is only valid if channel contexts are not used,
+ * otherwise each channel context has the number of chains listed.
*/
enum ieee80211_conf_changed {
IEEE80211_CONF_CHANGE_SMPS = BIT(1),
*
* @smps_mode: spatial multiplexing powersave mode; note that
* %IEEE80211_SMPS_STATIC is used when the device is not
- * configured for an HT channel
+ * configured for an HT channel.
+ * Note that this is only valid if channel contexts are not used,
+ * otherwise each channel context has the number of chains listed.
*/
struct ieee80211_conf {
u32 flags;
* at runtime, mac80211 will never touch this field
* @hw_queue: hardware queue for each AC
* @cab_queue: content-after-beacon (DTIM beacon really) queue, AP mode only
+ * @chanctx_conf: The channel context this interface is assigned to, or %NULL
+ * when it is not assigned. This pointer is RCU-protected due to the TX
+ * path needing to access it; even though the netdev carrier will always
+ * be off when it is %NULL there can still be races and packets could be
+ * processed after it switches back to %NULL.
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *).
*/
u8 cab_queue;
u8 hw_queue[IEEE80211_NUM_ACS];
+ struct ieee80211_chanctx_conf __rcu *chanctx_conf;
+
u32 driver_flags;
/* must be last */
* @aid: AID we assigned to the station if we're an AP
* @supp_rates: Bitmap of supported rates (per band)
* @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities
+ * @vht_cap: VHT capabilities of this STA; Not restricting any capabilities
+ * of remote STA. Taking as is.
* @wme: indicates whether the STA supports WME. Only valid during AP-mode.
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
u8 addr[ETH_ALEN];
u16 aid;
struct ieee80211_sta_ht_cap ht_cap;
+ struct ieee80211_sta_vht_cap vht_cap;
bool wme;
u8 uapsd_queues;
u8 max_sp;
* within &struct ieee80211_vif.
* @sta_data_size: size (in bytes) of the drv_priv data area
* within &struct ieee80211_sta.
+ * @chanctx_data_size: size (in bytes) of the drv_priv data area
+ * within &struct ieee80211_chanctx_conf.
*
* @max_rates: maximum number of alternate rate retry stages the hw
* can handle.
int channel_change_time;
int vif_data_size;
int sta_data_size;
+ int chanctx_data_size;
int napi_weight;
u16 queues;
u16 max_listen_interval;
* The callback will be called before each transmission and upon return
* mac80211 will transmit the frame right away.
* The callback is optional and can (should!) sleep.
+ *
+ * @add_chanctx: Notifies device driver about new channel context creation.
+ * @remove_chanctx: Notifies device driver about channel context destruction.
+ * @change_chanctx: Notifies device driver about channel context changes that
+ * may happen when combining different virtual interfaces on the same
+ * channel context with different settings
+ * @assign_vif_chanctx: Notifies device driver about channel context being bound
+ * to vif. Possible use is for hw queue remapping.
+ * @unassign_vif_chanctx: Notifies device driver about channel context being
+ * unbound from vif.
+ * @start_ap: Start operation on the AP interface, this is called after all the
+ * information in bss_conf is set and beacon can be retrieved. A channel
+ * context is bound before this is called. Note that if the driver uses
+ * software scan or ROC, this (and @stop_ap) isn't called when the AP is
+ * just "paused" for scanning/ROC, which is indicated by the beacon being
+ * disabled/enabled via @bss_info_changed.
+ * @stop_ap: Stop operation on the AP interface.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
struct ieee80211_bss_conf *info,
u32 changed);
+ int (*start_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+ void (*stop_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+
u64 (*prepare_multicast)(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list);
void (*configure_filter)(struct ieee80211_hw *hw,
void (*mgd_prepare_tx)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
+
+ int (*add_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx);
+ void (*remove_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx);
+ void (*change_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed);
+ int (*assign_vif_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx);
+ void (*unassign_vif_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx);
};
/**
void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
struct sk_buff *skb, u8 *p2k);
+/**
+ * ieee80211_aes_cmac_calculate_k1_k2 - calculate the AES-CMAC sub keys
+ *
+ * This function computes the two AES-CMAC sub-keys, based on the
+ * previously installed master key.
+ *
+ * @keyconf: the parameter passed with the set key
+ * @k1: a buffer to be filled with the 1st sub-key
+ * @k2: a buffer to be filled with the 2nd sub-key
+ */
+void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf,
+ u8 *k1, u8 *k2);
+
/**
* struct ieee80211_key_seq - key sequence counter
*
void *data),
void *iter_data);
+/**
+ * ieee80211_iter_chan_contexts_atomic - iterate channel contexts
+ * @hw: pointre obtained from ieee80211_alloc_hw().
+ * @iter: iterator function
+ * @iter_data: data passed to iterator function
+ *
+ * Iterate all active channel contexts. This function is atomic and
+ * doesn't acquire any locks internally that might be held in other
+ * places while calling into the driver.
+ *
+ * The iterator will not find a context that's being added (during
+ * the driver callback to add it) but will find it while it's being
+ * removed.
+ */
+void ieee80211_iter_chan_contexts_atomic(
+ struct ieee80211_hw *hw,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *chanctx_conf,
+ void *data),
+ void *iter_data);
+
/**
* ieee80211_ap_probereq_get - retrieve a Probe Request template
* @hw: pointer obtained from ieee80211_alloc_hw().
projects / firefly-linux-kernel-4.4.55.git / blobdiff