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diff --git a/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h
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+++ b/target/linux/package/ieee80211-dscape/src/include/net/ieee80211_shared.h
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+/*
+ * IEEE 802.11 -- shared defines for low-level drivers, 80211.o, and hostapd
+ * Copyright 2002-2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef IEEE80211_SHARED_H
+#define IEEE80211_SHARED_H
+
+/* 802.11g is backwards-compatible with 802.11b, so a wlan card can
+ * actually be both in 11b and 11g modes at the same time. */
+enum {
+ MODE_IEEE80211A = 0 /* IEEE 802.11a */,
+ MODE_IEEE80211B = 1 /* IEEE 802.11b only */,
+ MODE_ATHEROS_TURBO = 2 /* Atheros Turbo mode (2x.11a at 5 GHz) */,
+ MODE_IEEE80211G = 3 /* IEEE 802.11g (and 802.11b compatibility) */,
+ MODE_ATHEROS_TURBOG = 4 /* Atheros Turbo mode (2x.11g at 2.4 GHz) */,
+ MODE_ATHEROS_PRIME = 5 /* Atheros Dynamic Turbo mode */,
+ MODE_ATHEROS_PRIMEG = 6 /* Atheros Dynamic Turbo mode G */,
+ MODE_ATHEROS_XR = 7 /* Atheros XR mode */,
+ NUM_IEEE80211_MODES = 8
+};
+
+#define IEEE80211_CHAN_W_SCAN 0x00000001
+#define IEEE80211_CHAN_W_ACTIVE_SCAN 0x00000002
+#define IEEE80211_CHAN_W_IBSS 0x00000004
+
+/* Low-level driver should set PREAMBLE2, OFDM, CCK, and TURBO flags.
+ * BASIC, SUPPORTED, ERP, and MANDATORY flags are set in 80211.o based on the
+ * configuration. */
+#define IEEE80211_RATE_ERP 0x00000001
+#define IEEE80211_RATE_BASIC 0x00000002
+#define IEEE80211_RATE_PREAMBLE2 0x00000004
+#define IEEE80211_RATE_SUPPORTED 0x00000010
+#define IEEE80211_RATE_OFDM 0x00000020
+#define IEEE80211_RATE_CCK 0x00000040
+#define IEEE80211_RATE_TURBO 0x00000080
+#define IEEE80211_RATE_MANDATORY 0x00000100
+#define IEEE80211_RATE_XR 0x00000200
+
+#define IEEE80211_RATE_CCK_2 (IEEE80211_RATE_CCK | IEEE80211_RATE_PREAMBLE2)
+#define IEEE80211_RATE_MODULATION(f) \
+(f & (IEEE80211_RATE_CCK | IEEE80211_RATE_OFDM))
+
+
+#endif /* IEEE80211_SHARED_H */