[MAC80211]: split RX handlers into own file

[firefly-linux-kernel-4.4.55.git] / include / net / ieee80211_radiotap.h

diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index f3bc00ee628b14f0bb0d0794988104c9433774fb..22e047758ba12d12fe71853495aa568cd38e6397 100644 (file)
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -186,9 +186,6 @@ struct ieee80211_radiotap_header {
  *
  *     Number of unicast retries a transmitted frame used.
  *
- * IEEE80211_RADIOTAP_FCS              __le32       data
- *
- *     FCS from frame in network byte order.
  */
 enum ieee80211_radiotap_type {
        IEEE80211_RADIOTAP_TSFT = 0,
@@ -258,4 +255,13 @@ enum ieee80211_radiotap_type {
        (((x) == 14) ? 2484 : ((x) * 5) + 2407) : \
        ((x) + 1000) * 5)
 
+/* helpers */
+static inline int ieee80211_get_radiotap_len(unsigned char *data)
+{
+       struct ieee80211_radiotap_header *hdr =
+               (struct ieee80211_radiotap_header *)data;
+
+       return le16_to_cpu(hdr->it_len);
+}
+
 #endif                         /* IEEE80211_RADIOTAP_H */