[PATCH] tcpdump: add STBC Rx support
Oleksij Rempel <[email protected]> Fri, 3 May 2013 21:53:56 +0200
| Newsgroups | org.netbsd.radiotap |
|---|---|
| Message-ID | <1367610836-3303-5-git-send-email-linux__5754.06395732916$1367610867$gmane$org@rempel-privat.de> |
Signed-off-by: Oleksij Rempel <[email protected]> --- 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