Signed-off-by: Oleksij Rempel <li...@rempel-privat.de>
---
 ieee802_11_radio.h | 6 ++++++
 print-802_11.c     | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/ieee802_11_radio.h b/ieee802_11_radio.h
index 5aff137..65c25df 100644
--- a/ieee802_11_radio.h
+++ b/ieee802_11_radio.h
@@ -277,6 +277,7 @@ enum ieee80211_radiotap_type {
 #define IEEE80211_RADIOTAP_MCS_GUARD_INTERVAL_KNOWN    0x04
 #define IEEE80211_RADIOTAP_MCS_HT_FORMAT_KNOWN         0x08
 #define IEEE80211_RADIOTAP_MCS_FEC_TYPE_KNOWN          0x10
+#define IEEE80211_RADIOTAP_MCS_STBC_KNOWN              0x20
 
 /* For IEEE80211_RADIOTAP_MCS flags */
 #define IEEE80211_RADIOTAP_MCS_BANDWIDTH_MASK  0x03
@@ -287,5 +288,10 @@ enum ieee80211_radiotap_type {
 #define IEEE80211_RADIOTAP_MCS_SHORT_GI                0x04 /* short guard 
interval */
 #define IEEE80211_RADIOTAP_MCS_HT_GREENFIELD   0x08
 #define IEEE80211_RADIOTAP_MCS_FEC_LDPC                0x10
+#define IEEE80211_RADIOTAP_MCS_STBC_MASK       0x60
+#define                IEEE80211_RADIOTAP_MCS_STBC_1   1
+#define                IEEE80211_RADIOTAP_MCS_STBC_2   2
+#define                IEEE80211_RADIOTAP_MCS_STBC_3   3
+#define IEEE80211_RADIOTAP_MCS_STBC_SHIFT      5
 
 #endif /* _NET_IF_IEEE80211RADIOTAP_H_ */
diff --git a/print-802_11.c b/print-802_11.c
index 97badb9..5f65752 100644
--- a/print-802_11.c
+++ b/print-802_11.c
@@ -2184,6 +2184,11 @@ print_radiotap_field(struct cpack_state *s, u_int32_t 
bit, u_int8_t *flags,
                                (u2.u8 & IEEE80211_RADIOTAP_MCS_FEC_LDPC) ?
                                "LDPC" : "BCC");
                }
+               if (u.u8 & IEEE80211_RADIOTAP_MCS_STBC_KNOWN) {
+                       printf("RX-STBC%u ",
+                               (u2.u8 & IEEE80211_RADIOTAP_MCS_STBC_MASK) >> 
IEEE80211_RADIOTAP_MCS_STBC_SHIFT);
+               }
+       
                break;
                }
        }
-- 
1.8.1.2

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