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mac80211: implement hardware offload for remain-on-channel

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This allows drivers to support remain-on-channel
offload if they implement smarter timing or need
to use a device implementation like iwlwifi.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-12-18 17:20:47 +01:00 • committed by John W. Linville
parent c96e96354a
commit 21f8358964
8 changed files with 306 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

19
include/net/mac80211.h
View file

@ -365,6 +365,7 @@ enum mac80211_tx_control_flags {
IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21),
IEEE80211_TX_CTL_LDPC = BIT(22),
IEEE80211_TX_CTL_STBC = BIT(23) | BIT(24),
IEEE80211_TX_CTL_TX_OFFCHAN = BIT(25),
};
#define IEEE80211_TX_CTL_STBC_SHIFT 23
@ -1824,6 +1825,12 @@ struct ieee80211_ops {
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);
int (*remain_on_channel)(struct ieee80211_hw *hw,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
int duration);
int (*cancel_remain_on_channel)(struct ieee80211_hw *hw);
};
/**
@ -2729,6 +2736,18 @@ void ieee80211_request_smps(struct ieee80211_vif *vif,
*/
void ieee80211_key_removed(struct ieee80211_key_conf *key_conf);
/**
* ieee80211_ready_on_channel - notification of remain-on-channel start
* @hw: pointer as obtained from ieee80211_alloc_hw()
*/
void ieee80211_ready_on_channel(struct ieee80211_hw *hw);
/**
* ieee80211_remain_on_channel_expired - remain_on_channel duration expired
* @hw: pointer as obtained from ieee80211_alloc_hw()
*/
void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw);
/* Rate control API */
/**