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-rw-r--r--include/net/ieee80211.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index b93fd8c1d88..df05f468fa5 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -363,8 +363,9 @@ enum ieee80211_reasoncode {
#define IEEE80211_OFDM_SHIFT_MASK_A 4
/* NOTE: This data is for statistical purposes; not all hardware provides this
- * information for frames received. Not setting these will not cause
- * any adverse affects. */
+ * information for frames received.
+ * For ieee80211_rx_mgt, you need to set at least the 'len' parameter.
+ */
struct ieee80211_rx_stats {
u32 mac_time;
s8 rssi;
@@ -1042,7 +1043,7 @@ static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
case IEEE80211_4ADDR_LEN:
return ((struct ieee80211_hdr_4addr *)hdr)->payload;
}
-
+ return NULL;
}
static inline int ieee80211_is_ofdm_rate(u8 rate)
@@ -1088,6 +1089,7 @@ extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
/* ieee80211_rx.c */
extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats);
+/* make sure to set stats->len */
extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
struct ieee80211_hdr_4addr *header,
struct ieee80211_rx_stats *stats);