diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 9448a5b1bb15..389e86a54fc4 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -712,6 +712,28 @@ struct ieee80211_conf { }; /** + * struct ieee80211_channel_switch - holds the channel switch data + * + * The information provided in this structure is required for channel switch + * operation. + * + * @timestamp: value in microseconds of the 64-bit Time Synchronization + * Function (TSF) timer when the frame containing the channel switch + * announcement was received. This is simply the rx.mactime parameter + * the driver passed into mac80211. + * @block_tx: Indicates whether transmission must be blocked before the + * scheduled channel switch, as indicated by the AP. + * @channel: the new channel to switch to + * @count: the number of TBTT's until the channel switch event + */ +struct ieee80211_channel_switch { + u64 timestamp; + bool block_tx; + struct ieee80211_channel *channel; + u8 count; +}; + +/** * struct ieee80211_vif - per-interface data * * Data in this structure is continually present for driver @@ -1631,6 +1653,11 @@ enum ieee80211_ampdu_mlme_action { * @flush: Flush all pending frames from the hardware queue, making sure * that the hardware queues are empty. If the parameter @drop is set * to %true, pending frames may be dropped. The callback can sleep. + * + * @channel_switch: Drivers that need (or want) to offload the channel + * switch operation for CSAs received from the AP may implement this + * callback. They must then call ieee80211_chswitch_done() to indicate + * completion of the channel switch. */ struct ieee80211_ops { int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); @@ -1694,6 +1721,8 @@ struct ieee80211_ops { int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len); #endif void (*flush)(struct ieee80211_hw *hw, bool drop); + void (*channel_switch)(struct ieee80211_hw *hw, + struct ieee80211_channel_switch *ch_switch); }; /** @@ -2444,6 +2473,16 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif, enum nl80211_cqm_rssi_threshold_event rssi_event, gfp_t gfp); +/** + * ieee80211_chswitch_done - Complete channel switch process + * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @success: make the channel switch successful or not + * + * Complete the channel switch post-process: set the new operational channel + * and wake up the suspended queues. + */ +void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success); + /* Rate control API */ /** |