Commit cff7b5ca authored by Philipp Borgers's avatar Philipp Borgers Committed by Johannes Berg
Browse files

mac80211: add ieee80211_is_tx_data helper function 



Add a helper function that checks if a frame is a data frame. Frames
with hardware encapsulation enabled are data frames.

Signed-off-by: default avatarPhilipp Borgers <borgers@mi.fu-berlin.de>
Link: https://lore.kernel.org/r/20210519122019.92359-2-borgers@mi.fu-berlin.de


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 4ebdce1d

include/net/mac80211.h

+18 −0
Original line number Diff line number Diff line
@@ -6752,4 +6752,22 @@ struct sk_buff *ieee80211_get_fils_discovery_tmpl(struct ieee80211_hw *hw, 
struct sk_buff *

ieee80211_get_unsol_bcast_probe_resp_tmpl(struct ieee80211_hw *hw,

					  struct ieee80211_vif *vif);



/**

 * ieee80211_is_tx_data - check if frame is a data frame

 *

 * The function is used to check if a frame is a data frame. Frames with

 * hardware encapsulation enabled are data frames.

 *

 * @skb: the frame to be transmitted.

 */

static inline bool ieee80211_is_tx_data(struct sk_buff *skb)

{

	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);

	struct ieee80211_hdr *hdr = (void *) skb->data;



	return info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP ||

	       ieee80211_is_data(hdr->frame_control);

}



#endif /* MAC80211_H */