diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index d67d3bbe21c1..8114f590f715 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -527,9 +527,6 @@ struct ieee80211_tx_rate { * (2) driver internal use (if applicable) * (3) TX status information - driver tells mac80211 what happened * - * The TX control's sta pointer is only valid during the ->tx call, - * it may be NULL. - * * @flags: transmit info flags, defined above * @band: the band to transmit on (use for checking for races) * @hw_queue: HW queue to put the frame on, skb_get_queue_mapping() gives the AC @@ -560,6 +557,7 @@ struct ieee80211_tx_info { struct ieee80211_tx_rate rates[ IEEE80211_TX_MAX_RATES]; s8 rts_cts_rate_idx; + /* 3 bytes free */ }; /* only needed before rate control */ unsigned long jiffies; @@ -567,7 +565,7 @@ struct ieee80211_tx_info { /* NB: vif can be NULL for injected frames */ struct ieee80211_vif *vif; struct ieee80211_key_conf *hw_key; - struct ieee80211_sta *sta; + /* 8 bytes free */ } control; struct { struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; @@ -1079,6 +1077,16 @@ enum sta_notify_cmd { }; /** + * struct ieee80211_tx_control - TX control data + * + * @sta: station table entry, this sta pointer may be NULL and + * it is not allowed to copy the pointer, due to RCU. + */ +struct ieee80211_tx_control { + struct ieee80211_sta *sta; +}; + +/** * enum ieee80211_hw_flags - hardware flags * * These flags are used to indicate hardware capabilities to @@ -2269,7 +2277,9 @@ enum ieee80211_rate_control_changed { * The callback is optional and can (should!) sleep. */ struct ieee80211_ops { - void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); + void (*tx)(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, + struct sk_buff *skb); int (*start)(struct ieee80211_hw *hw); void (*stop)(struct ieee80211_hw *hw); #ifdef CONFIG_PM |