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-rw-r--r--include/linux/ieee80211.h198
1 files changed, 198 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index c4e6ca1a630..4b501b48ce8 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -18,6 +18,22 @@
#include <linux/types.h>
#include <asm/byteorder.h>
+/*
+ * DS bit usage
+ *
+ * TA = transmitter address
+ * RA = receiver address
+ * DA = destination address
+ * SA = source address
+ *
+ * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
+ * -----------------------------------------------------------------
+ * 0 0 DA SA BSSID - IBSS/DLS
+ * 0 1 DA BSSID SA - AP -> STA
+ * 1 0 BSSID SA DA - AP <- STA
+ * 1 1 RA TA DA SA unspecified (WDS)
+ */
+
#define FCS_LEN 4
#define IEEE80211_FCTL_VERS 0x0003
@@ -527,6 +543,8 @@ struct ieee80211_tim_ie {
u8 virtual_map[0];
} __attribute__ ((packed));
+#define WLAN_SA_QUERY_TR_ID_LEN 16
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
@@ -646,6 +664,10 @@ struct ieee80211_mgmt {
u8 action_code;
u8 variable[0];
} __attribute__((packed)) mesh_action;
+ struct {
+ u8 action;
+ u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
+ } __attribute__ ((packed)) sa_query;
} u;
} __attribute__ ((packed)) action;
} u;
@@ -655,6 +677,15 @@ struct ieee80211_mgmt {
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
+/* Management MIC information element (IEEE 802.11w) */
+struct ieee80211_mmie {
+ u8 element_id;
+ u8 length;
+ __le16 key_id;
+ u8 sequence_number[6];
+ u8 mic[8];
+} __attribute__ ((packed));
+
/* Control frames */
struct ieee80211_rts {
__le16 frame_control;
@@ -836,6 +867,7 @@ struct ieee80211_ht_info {
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
+#define WLAN_AUTH_FT 2
#define WLAN_AUTH_LEAP 128
#define WLAN_AUTH_CHALLENGE_LEN 128
@@ -899,6 +931,9 @@ enum ieee80211_statuscode {
/* 802.11g */
WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
+ /* 802.11w */
+ WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
+ WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
/* 802.11i */
WLAN_STATUS_INVALID_IE = 40,
WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
@@ -1018,6 +1053,8 @@ enum ieee80211_eid {
WLAN_EID_HT_INFORMATION = 61,
/* 802.11i */
WLAN_EID_RSN = 48,
+ WLAN_EID_TIMEOUT_INTERVAL = 56,
+ WLAN_EID_MMIE = 76 /* 802.11w */,
WLAN_EID_WPA = 221,
WLAN_EID_GENERIC = 221,
WLAN_EID_VENDOR_SPECIFIC = 221,
@@ -1030,6 +1067,8 @@ enum ieee80211_category {
WLAN_CATEGORY_QOS = 1,
WLAN_CATEGORY_DLS = 2,
WLAN_CATEGORY_BACK = 3,
+ WLAN_CATEGORY_PUBLIC = 4,
+ WLAN_CATEGORY_SA_QUERY = 8,
WLAN_CATEGORY_WMM = 17,
};
@@ -1104,6 +1143,12 @@ struct ieee80211_country_ie_triplet {
};
} __attribute__ ((packed));
+enum ieee80211_timeout_interval_type {
+ WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
+ WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
+ WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
+};
+
/* BACK action code */
enum ieee80211_back_actioncode {
WLAN_ACTION_ADDBA_REQ = 0,
@@ -1118,6 +1163,13 @@ enum ieee80211_back_parties {
WLAN_BACK_TIMER = 2,
};
+/* SA Query action */
+enum ieee80211_sa_query_action {
+ WLAN_ACTION_SA_QUERY_REQUEST = 0,
+ WLAN_ACTION_SA_QUERY_RESPONSE = 1,
+};
+
+
/* A-MSDU 802.11n */
#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
@@ -1128,6 +1180,7 @@ enum ieee80211_back_parties {
/* reserved: 0x000FAC03 */
#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
+#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
#define WLAN_MAX_KEY_LEN 32
@@ -1185,4 +1238,149 @@ static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
return hdr->addr1;
}
+/**
+ * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
+ * @hdr: the frame (buffer must include at least the first octet of payload)
+ */
+static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
+{
+ if (ieee80211_is_disassoc(hdr->frame_control) ||
+ ieee80211_is_deauth(hdr->frame_control))
+ return true;
+
+ if (ieee80211_is_action(hdr->frame_control)) {
+ u8 *category;
+
+ /*
+ * Action frames, excluding Public Action frames, are Robust
+ * Management Frames. However, if we are looking at a Protected
+ * frame, skip the check since the data may be encrypted and
+ * the frame has already been found to be a Robust Management
+ * Frame (by the other end).
+ */
+ if (ieee80211_has_protected(hdr->frame_control))
+ return true;
+ category = ((u8 *) hdr) + 24;
+ return *category != WLAN_CATEGORY_PUBLIC;
+ }
+
+ return false;
+}
+
+/**
+ * ieee80211_fhss_chan_to_freq - get channel frequency
+ * @channel: the FHSS channel
+ *
+ * Convert IEEE802.11 FHSS channel to frequency (MHz)
+ * Ref IEEE 802.11-2007 section 14.6
+ */
+static inline int ieee80211_fhss_chan_to_freq(int channel)
+{
+ if ((channel > 1) && (channel < 96))
+ return channel + 2400;
+ else
+ return -1;
+}
+
+/**
+ * ieee80211_freq_to_fhss_chan - get channel
+ * @freq: the channels frequency
+ *
+ * Convert frequency (MHz) to IEEE802.11 FHSS channel
+ * Ref IEEE 802.11-2007 section 14.6
+ */
+static inline int ieee80211_freq_to_fhss_chan(int freq)
+{
+ if ((freq > 2401) && (freq < 2496))
+ return freq - 2400;
+ else
+ return -1;
+}
+
+/**
+ * ieee80211_dsss_chan_to_freq - get channel center frequency
+ * @channel: the DSSS channel
+ *
+ * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
+ * Ref IEEE 802.11-2007 section 15.6
+ */
+static inline int ieee80211_dsss_chan_to_freq(int channel)
+{
+ if ((channel > 0) && (channel < 14))
+ return 2407 + (channel * 5);
+ else if (channel == 14)
+ return 2484;
+ else
+ return -1;
+}
+
+/**
+ * ieee80211_freq_to_dsss_chan - get channel
+ * @freq: the frequency
+ *
+ * Convert frequency (MHz) to IEEE802.11 DSSS channel
+ * Ref IEEE 802.11-2007 section 15.6
+ *
+ * This routine selects the channel with the closest center frequency.
+ */
+static inline int ieee80211_freq_to_dsss_chan(int freq)
+{
+ if ((freq >= 2410) && (freq < 2475))
+ return (freq - 2405) / 5;
+ else if ((freq >= 2482) && (freq < 2487))
+ return 14;
+ else
+ return -1;
+}
+
+/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
+ * Ref IEEE 802.11-2007 section 18.4.6.2
+ *
+ * The channels and frequencies are the same as those defined for DSSS
+ */
+#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
+#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
+
+/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
+ * Ref IEEE 802.11-2007 section 19.4.2
+ */
+#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
+#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
+
+/**
+ * ieee80211_ofdm_chan_to_freq - get channel center frequency
+ * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
+ * @channel: the OFDM channel
+ *
+ * Convert IEEE802.11 OFDM channel to center frequency (MHz)
+ * Ref IEEE 802.11-2007 section 17.3.8.3.2
+ */
+static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
+{
+ if ((channel > 0) && (channel <= 200) &&
+ (s_freq >= 4000))
+ return s_freq + (channel * 5);
+ else
+ return -1;
+}
+
+/**
+ * ieee80211_freq_to_ofdm_channel - get channel
+ * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
+ * @freq: the frequency
+ *
+ * Convert frequency (MHz) to IEEE802.11 OFDM channel
+ * Ref IEEE 802.11-2007 section 17.3.8.3.2
+ *
+ * This routine selects the channel with the closest center frequency.
+ */
+static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
+{
+ if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
+ (s_freq >= 4000))
+ return (freq + 2 - s_freq) / 5;
+ else
+ return -1;
+}
+
#endif /* LINUX_IEEE80211_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 04:30:54 +0000