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@@ -178,6 +178,11 @@ struct ieee80211_radiotap_header {
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*
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* Number of unicast retries a transmitted frame used.
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*
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+ * IEEE80211_RADIOTAP_MCS u8, u8, u8 unitless
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+ *
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+ * Contains a bitmap of known fields/flags, the flags, and
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+ * the MCS index.
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+ *
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*/
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enum ieee80211_radiotap_type {
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IEEE80211_RADIOTAP_TSFT = 0,
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@@ -199,6 +204,8 @@ enum ieee80211_radiotap_type {
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IEEE80211_RADIOTAP_RTS_RETRIES = 16,
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IEEE80211_RADIOTAP_DATA_RETRIES = 17,
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+ IEEE80211_RADIOTAP_MCS = 19,
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+
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/* valid in every it_present bitmap, even vendor namespaces */
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IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
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IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
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@@ -245,6 +252,24 @@ enum ieee80211_radiotap_type {
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#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */
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#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */
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+
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+/* For IEEE80211_RADIOTAP_MCS */
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+#define IEEE80211_RADIOTAP_MCS_HAVE_BW 0x01
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+#define IEEE80211_RADIOTAP_MCS_HAVE_MCS 0x02
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+#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04
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+#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08
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+#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10
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+
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+#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03
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+#define IEEE80211_RADIOTAP_MCS_BW_20 0
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+#define IEEE80211_RADIOTAP_MCS_BW_40 1
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+#define IEEE80211_RADIOTAP_MCS_BW_20L 2
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+#define IEEE80211_RADIOTAP_MCS_BW_20U 3
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+#define IEEE80211_RADIOTAP_MCS_SGI 0x04
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+#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
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+#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
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+
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+
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/* Ugly macro to convert literal channel numbers into their mhz equivalents
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* There are certianly some conditions that will break this (like feeding it '30')
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* but they shouldn't arise since nothing talks on channel 30. */
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