diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ea2c8c36477..9259e97864d 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1586,6 +1586,20 @@ enum ieee80211_ampdu_mlme_action { }; /** + * enum ieee80211_tx_sync_type - TX sync type + * @IEEE80211_TX_SYNC_AUTH: sync TX for authentication + * (and possibly also before direct probe) + * @IEEE80211_TX_SYNC_ASSOC: sync TX for association + * @IEEE80211_TX_SYNC_ACTION: sync TX for action frame + * (not implemented yet) + */ +enum ieee80211_tx_sync_type { + IEEE80211_TX_SYNC_AUTH, + IEEE80211_TX_SYNC_ASSOC, + IEEE80211_TX_SYNC_ACTION, +}; + +/** * struct ieee80211_ops - callbacks from mac80211 to the driver * * This structure contains various callbacks that the driver may @@ -1674,6 +1688,26 @@ enum ieee80211_ampdu_mlme_action { * of the bss parameters has changed when a call is made. The callback * can sleep. * + * @tx_sync: Called before a frame is sent to an AP/GO. In the GO case, the + * driver should sync with the GO's powersaving so the device doesn't + * transmit the frame while the GO is asleep. In the regular AP case + * it may be used by drivers for devices implementing other restrictions + * on talking to APs, e.g. due to regulatory enforcement or just HW + * restrictions. + * This function is called for every authentication, association and + * action frame separately since applications might attempt to auth + * with multiple APs before chosing one to associate to. If it returns + * an error, the corresponding authentication, association or frame + * transmission is aborted and reported as having failed. It is always + * called after tuning to the correct channel. + * The callback might be called multiple times before @finish_tx_sync + * (but @finish_tx_sync will be called once for each) but in practice + * this is unlikely to happen. It can also refuse in that case if the + * driver cannot handle that situation. + * This callback can sleep. + * @finish_tx_sync: Called as a counterpart to @tx_sync, unless that returned + * an error. This callback can sleep. + * * @prepare_multicast: Prepare for multicast filter configuration. * This callback is optional, and its return value is passed * to configure_filter(). This callback must be atomic. @@ -1901,6 +1935,14 @@ struct ieee80211_ops { struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed); + + int (*tx_sync)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + const u8 *bssid, enum ieee80211_tx_sync_type type); + void (*finish_tx_sync)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const u8 *bssid, + enum ieee80211_tx_sync_type type); + u64 (*prepare_multicast)(struct ieee80211_hw *hw, struct netdev_hw_addr_list *mc_list); void (*configure_filter)(struct ieee80211_hw *hw, @@ -2613,6 +2655,20 @@ static inline void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf, } /** + * ieee80211_get_tkip_rx_p1k - get a TKIP phase 1 key for RX + * + * This function returns the TKIP phase 1 key for the given IV32 + * and transmitter address. + * + * @keyconf: the parameter passed with the set key + * @ta: TA that will be used with the key + * @iv32: IV32 to get the P1K for + * @p1k: a buffer to which the key will be written, as 5 u16 values + */ +void ieee80211_get_tkip_rx_p1k(struct ieee80211_key_conf *keyconf, + const u8 *ta, u32 iv32, u16 *p1k); + +/** * ieee80211_get_tkip_p2k - get a TKIP phase 2 key * * This function computes the TKIP RC4 key for the IV values @@ -2973,6 +3029,10 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw, * needs reprogramming of the keys during suspend. Note that due * to locking reasons, it is also only safe to call this at few * spots since it must hold the RTNL and be able to sleep. + * + * The order in which the keys are iterated matches the order + * in which they were originally installed and handed to the + * set_key callback. */ void ieee80211_iter_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |