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authorFelix Fietkau <nbd@openwrt.org>2013-10-14 18:01:00 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-10-28 15:05:27 +0100
commit06be6b149f7e406bcf16098567f5a6c9f042bced (patch)
tree997b993af20474b9e3fd78ffb62a6fbd1c6bfbd4 /include/net
parent034c6d6e675f84ef5e67445150522b2517d963c9 (diff)
mac80211: add ieee80211_tx_prepare_skb() helper function
This can be used by a driver to prepare skbs for transmission, which were obtained via functions such as ieee80211_probereq_get or ieee80211_nullfunc_get. This is useful for drivers that want to send those frames directly, but need rate control information to be prepared first. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/mac80211.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index ecba8a10acf4..7ceed99a05bc 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4571,4 +4571,18 @@ void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif,
struct cfg80211_wowlan_wakeup *wakeup,
gfp_t gfp);
+/**
+ * ieee80211_tx_prepare_skb - prepare an 802.11 skb for transmission
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @vif: virtual interface
+ * @skb: frame to be sent from within the driver
+ * @band: the band to transmit on
+ * @sta: optional pointer to get the station to send the frame to
+ *
+ * Note: must be called under RCU lock
+ */
+bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, struct sk_buff *skb,
+ int band, struct ieee80211_sta **sta);
+
#endif /* MAC80211_H */