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mac80211: add ieee80211_is_tx_data helper function

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

Signed-off-by: Philipp Borgers <borgers@mi.fu-berlin.de>
Link: https://lore.kernel.org/r/20210519122019.92359-2-borgers@mi.fu-berlin.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Philipp Borgers 2021-05-19 14:20:17 +02:00 committed by Johannes Berg
parent 4ebdce1dcb
commit cff7b5ca25
1 changed files with 18 additions and 0 deletions
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18
include/net/mac80211.h
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@ -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 */