-/* $OpenBSD: ieee80211.h,v 1.36 2008/07/21 19:27:26 damien Exp $ */
+/* $OpenBSD: ieee80211.h,v 1.37 2008/07/27 14:15:42 damien Exp $ */
/* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */
/*-
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.5 2004/04/05 17:47:40 sam Exp $
*/
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_
* 802.11 protocol definitions.
*/
-#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
+#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
-#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
-
-/* IEEE 802.11 PLCP header */
-struct ieee80211_plcp_hdr {
- u_int16_t i_sfd;
- u_int8_t i_signal;
- u_int8_t i_service;
- u_int16_t i_length;
- u_int16_t i_crc;
-} __packed;
-
-#define IEEE80211_PLCP_SFD 0xF3A0
-#define IEEE80211_PLCP_SERVICE 0x00
-#define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */
-#define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */
+#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
/*
- * generic definitions for IEEE 802.11 frames
+ * Generic definitions for IEEE 802.11 frames.
*/
struct ieee80211_frame {
u_int8_t i_fc[2];
u_int8_t i_qos[2];
} __packed;
-/* 802.11n/D2.02 */
-struct ieee80211_htframe {
+struct ieee80211_htframe { /* 11n */
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_qos[2];
} __packed;
-/* 802.11n/D2.02 */
-struct ieee80211_htframe_addr4 {
+struct ieee80211_htframe_addr4 { /* 11n */
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_ht[4];
} __packed;
-/*
- * Management Notification Frame
- */
-struct ieee80211_mnf {
- u_int8_t mnf_category;
- u_int8_t mnf_action;
- u_int8_t mnf_dialog;
- u_int8_t mnf_status;
-} __packed;
-#define MNF_SETUP_REQ 0
-#define MNF_SETUP_RESP 1
-#define MNF_TEARDOWN 2
-
-
#define IEEE80211_FC0_VERSION_MASK 0x03
#define IEEE80211_FC0_VERSION_SHIFT 0
#define IEEE80211_FC0_VERSION_0 0x00
#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
-#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* 802.11n/D2.00 */
+#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* 11n */
/* for TYPE_CTL */
#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
#define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */
#define IEEE80211_FC1_ORDER 0x80
+/*
+ * Sequence Control field (see 7.1.3.4).
+ */
#define IEEE80211_SEQ_FRAG_MASK 0x000f
#define IEEE80211_SEQ_FRAG_SHIFT 0
#define IEEE80211_SEQ_SEQ_MASK 0xfff0
#define IEEE80211_NWID_LEN 32
+/*
+ * QoS Control field (see 7.1.3.5).
+ */
#define IEEE80211_QOS_TXOP 0x00ff
/* bit 8 is reserved */
#define IEEE80211_QOS_ACKPOLICY 0x0600
/* FCS */
} __packed;
+/*
+ * Capability Information field (see 7.3.1.4).
+ */
#define IEEE80211_CAPINFO_ESS 0x0001
#define IEEE80211_CAPINFO_IBSS 0x0002
#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
"\11SPECTRUM_MGMT\12QOS\13SHORT_SLOTTIME\14APSD" \
"\16DSSSOFDM\17DELAYED_B_ACK\20IMMEDIATE_B_ACK"
-/*
- * Channel attributes
- */
-#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
-#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
-#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
-#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
-#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
-#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
-#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
-#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
-#define IEEE80211_CHAN_XR 0x1000 /* Extended range OFDM channel */
-
-/*
- * Useful combinations of channel characteristics.
- */
-#define IEEE80211_CHAN_FHSS \
- (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
-#define IEEE80211_CHAN_A \
- (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
-#define IEEE80211_CHAN_B \
- (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
-#define IEEE80211_CHAN_PUREG \
- (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
-#define IEEE80211_CHAN_G \
- (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
-#define IEEE80211_CHAN_T \
- (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
-#define IEEE80211_CHAN_TG \
- (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
-
/*
- * Management information element payloads
+ * Information elements (see Table 7-26).
*/
-union ieee80211_information {
- char ssid[IEEE80211_NWID_LEN+1];
- struct rates {
- u_int8_t *p;
- } rates;
- struct fh {
- u_int16_t dwell;
- u_int8_t set;
- u_int8_t pattern;
- u_int8_t index;
- } fh;
- struct ds {
- u_int8_t channel;
- } ds;
- struct cf {
- u_int8_t count;
- u_int8_t period;
- u_int8_t maxdur[2];
- u_int8_t dur[2];
- } cf;
- struct tim {
- u_int8_t count;
- u_int8_t period;
- u_int8_t bitctl;
- /* u_int8_t pvt[251]; The driver needs to use this. */
- } tim;
- struct ibss {
- u_int16_t atim;
- } ibss;
- struct challenge {
- u_int8_t *p;
- u_int8_t len;
- } challenge;
- struct erp {
- u_int8_t flags;
- } erp;
- struct country {
- u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
- struct {
- u_int8_t schan; /* starting channel */
- u_int8_t nchan; /* number channels */
- u_int8_t maxtxpwr;
- } band[4]; /* up to 4 sub bands */
- } country;
- struct ath {
- u_int8_t flags;
- } ath;
-};
-
enum {
IEEE80211_ELEMID_SSID = 0,
IEEE80211_ELEMID_RATES = 1,
#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
-/* ERP information element flags */
+/*
+ * ERP information element (see 7.3.2.13).
+ */
#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
#define IEEE80211_ERP_USE_PROTECTION 0x02
#define IEEE80211_ERP_BARKER_MODE 0x04
/*
- * 802.11e EDCA Access Categories.
+ * EDCA Access Categories.
*/
enum ieee80211_edca_ac {
EDCA_AC_BK = 1, /* Background */
/* bits 3-6 reserved */
#define ATHEROS_CAP_BOOST 0x80
-/* Organizationally Unique Identifiers */
-/* See http://standards.ieee.org/regauth/oui/oui.txt for a list */
+/*-
+ * Organizationally Unique Identifiers.
+ * See http://standards.ieee.org/regauth/oui/oui.txt for a list.
+ */
#define ATHEROS_OUI ((const u_int8_t[]){ 0x00, 0x03, 0x7f })
#define BROADCOM_OUI ((const u_int8_t[]){ 0x00, 0x90, 0x4c })
#define IEEE80211_OUI ((const u_int8_t[]){ 0x00, 0x0f, 0xac })
#define IEEE80211_AUTH_STATUS(auth) \
((auth)[4] | ((auth)[5] << 8))
-#define IEEE80211_AUTH_ALG_OPEN 0x0000
-#define IEEE80211_AUTH_ALG_SHARED 0x0001
-#define IEEE80211_AUTH_ALG_LEAP 0x0080
+/*
+ * Authentication Algorithm Number field (see 7.3.1.1).
+ */
+#define IEEE80211_AUTH_ALG_OPEN 0x0000
+#define IEEE80211_AUTH_ALG_SHARED 0x0001
+#define IEEE80211_AUTH_ALG_LEAP 0x0080
+/*
+ * Authentication Transaction Sequence Number field (see 7.3.1.2).
+ */
enum {
IEEE80211_AUTH_OPEN_REQUEST = 1,
IEEE80211_AUTH_OPEN_RESPONSE = 2
};
-
enum {
IEEE80211_AUTH_SHARED_REQUEST = 1,
IEEE80211_AUTH_SHARED_CHALLENGE = 2,
#define IEEE80211_RTS_MIN 1
#define IEEE80211_RTS_MAX IEEE80211_MAX_LEN
+#define IEEE80211_PLCP_SERVICE 0x00
+#define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */
+#define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */
+
/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
#define IEEE80211_DUR_TU 1024
IEEE80211_DUR_DS_SLOW_PLCPHDR + \
IEEE80211_DUR_DIFS)
-enum {
- IEEE80211_AUTH_NONE = 0,
- IEEE80211_AUTH_OPEN = 1, /* open */
- IEEE80211_AUTH_SHARED = 2, /* shared-key */
- IEEE80211_AUTH_8021X = 3, /* 802.1x */
- IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */
- IEEE80211_AUTH_WPA = 5, /* WPA w/ 802.1x */
- IEEE80211_AUTH_WPA_PSK = 6, /* WPA w/ preshared key */
- IEEE80211_AUTH_WPA2 = 7, /* WPA2 w/ 802.1x */
- IEEE80211_AUTH_WPA2_PSK = 8 /* WPA2 w/ preshared key */
-};
-
/*
* The RSNA key descriptor used by IEEE 802.11 does not use the IEEE 802.1X
* key descriptor. Instead, it uses the key descriptor described in 8.5.2.
#define EAPOL_KEY_REQUEST (1 << 11)
#define EAPOL_KEY_ENCRYPTED (1 << 12)
#define EAPOL_KEY_SMK (1 << 13)
-/* WPA1 compatibility */
+/* WPA compatibility */
#define EAPOL_KEY_WPA_KID_MASK 0x3
#define EAPOL_KEY_WPA_KID_SHIFT 4
#define EAPOL_KEY_WPA_TX EAPOL_KEY_INSTALL
IEEE80211_KDE_ERROR = 8
};
+/*
+ * Channel attributes (not 802.11 but exported by radiotap).
+ */
+#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
+#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
+#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
+#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel */
+#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
+#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
+#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
+#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
+#define IEEE80211_CHAN_XR 0x1000 /* Extended range OFDM channel */
+
+/*
+ * Useful combinations of channel characteristics.
+ */
+#define IEEE80211_CHAN_FHSS \
+ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
+#define IEEE80211_CHAN_A \
+ (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
+#define IEEE80211_CHAN_B \
+ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
+#define IEEE80211_CHAN_PUREG \
+ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
+#define IEEE80211_CHAN_G \
+ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
+#define IEEE80211_CHAN_T \
+ (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
+#define IEEE80211_CHAN_TG \
+ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
+
#endif /* _NET80211_IEEE80211_H_ */
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