X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/91f7cb2f57f9c2e2833a8d9a863c7be4eea5d010..4c2790a43252b9cac1fe7f6b50b51c3c55d2370a:/ieee802_11.h diff --git a/ieee802_11.h b/ieee802_11.h index 4b5cc5b3..2aa13450 100644 --- a/ieee802_11.h +++ b/ieee802_11.h @@ -1,4 +1,4 @@ -/* @(#) $Header: /tcpdump/master/tcpdump/ieee802_11.h,v 1.9 2003-07-22 17:36:57 guy Exp $ (LBL) */ +/* @(#) $Header: /tcpdump/master/tcpdump/ieee802_11.h,v 1.12 2007-07-22 19:59:06 guy Exp $ (LBL) */ /* * Copyright (c) 2001 * Fortress Technologies @@ -30,6 +30,7 @@ #define IEEE802_11_RA_LEN 6 #define IEEE802_11_TA_LEN 6 #define IEEE802_11_SEQ_LEN 2 +#define IEEE802_11_CTL_LEN 2 #define IEEE802_11_IV_LEN 3 #define IEEE802_11_KID_LEN 1 @@ -67,11 +68,14 @@ #define ST_DISASSOC 0xA #define ST_AUTH 0xB #define ST_DEAUTH 0xC -/* RESERVED 0xD */ +#define ST_ACTION 0xD /* RESERVED 0xE */ /* RESERVED 0xF */ +#define CTRL_CONTROL_WRAPPER 0x7 +#define CTRL_BAR 0x8 +#define CTRL_BA 0x9 #define CTRL_PS_POLL 0xA #define CTRL_RTS 0xB #define CTRL_CTS 0xC @@ -79,14 +83,32 @@ #define CTRL_CF_END 0xE #define CTRL_END_ACK 0xF -#define DATA_DATA 0x0 -#define DATA_DATA_CF_ACK 0x1 -#define DATA_DATA_CF_POLL 0x2 -#define DATA_DATA_CF_ACK_POLL 0x3 -#define DATA_NODATA 0x4 -#define DATA_NODATA_CF_ACK 0x5 -#define DATA_NODATA_CF_POLL 0x6 -#define DATA_NODATA_CF_ACK_POLL 0x7 +#define DATA_DATA 0x0 +#define DATA_DATA_CF_ACK 0x1 +#define DATA_DATA_CF_POLL 0x2 +#define DATA_DATA_CF_ACK_POLL 0x3 +#define DATA_NODATA 0x4 +#define DATA_NODATA_CF_ACK 0x5 +#define DATA_NODATA_CF_POLL 0x6 +#define DATA_NODATA_CF_ACK_POLL 0x7 + +#define DATA_QOS_DATA 0x8 +#define DATA_QOS_DATA_CF_ACK 0x9 +#define DATA_QOS_DATA_CF_POLL 0xA +#define DATA_QOS_DATA_CF_ACK_POLL 0xB +#define DATA_QOS_NODATA 0xC +#define DATA_QOS_CF_POLL_NODATA 0xE +#define DATA_QOS_CF_ACK_POLL_NODATA 0xF + +/* + * The subtype field of a data frame is, in effect, composed of 4 flag + * bits - CF-Ack, CF-Poll, Null (means the frame doesn't actually have + * any data), and QoS. + */ +#define DATA_FRAME_IS_CF_ACK(x) ((x) & 0x01) +#define DATA_FRAME_IS_CF_POLL(x) ((x) & 0x02) +#define DATA_FRAME_IS_NULL(x) ((x) & 0x04) +#define DATA_FRAME_IS_QOS(x) ((x) & 0x08) /* * Bits in the frame control field. @@ -131,7 +153,7 @@ struct ssid_t { struct rates_t { u_int8_t element_id; u_int8_t length; - u_int8_t rate[8]; + u_int8_t rate[16]; }; struct challenge_t { @@ -139,6 +161,7 @@ struct challenge_t { u_int8_t length; u_int8_t text[254]; /* 1-253 + 1 for null */ }; + struct fh_t { u_int8_t element_id; u_int8_t length; @@ -199,22 +222,29 @@ struct tim_t { struct mgmt_body_t { - u_int8_t timestamp[8]; + u_int8_t timestamp[IEEE802_11_TSTAMP_LEN]; u_int16_t beacon_interval; u_int16_t listen_interval; u_int16_t status_code; u_int16_t aid; - u_char ap[6]; + u_char ap[IEEE802_11_AP_LEN]; u_int16_t reason_code; u_int16_t auth_alg; u_int16_t auth_trans_seq_num; + int challenge_present; struct challenge_t challenge; u_int16_t capability_info; + int ssid_present; struct ssid_t ssid; + int rates_present; struct rates_t rates; + int ds_present; struct ds_t ds; + int cf_present; struct cf_t cf; + int fh_present; struct fh_t fh; + int tim_present; struct tim_t tim; }; @@ -280,6 +310,38 @@ struct ctrl_end_ack_t { #define CTRL_END_ACK_HDRLEN (IEEE802_11_FC_LEN+IEEE802_11_DUR_LEN+\ IEEE802_11_RA_LEN+IEEE802_11_BSSID_LEN) +struct ctrl_ba_t { + u_int16_t fc; + u_int16_t duration; + u_int8_t ra[6]; + u_int8_t fcs[4]; +}; + +#define CTRL_BA_HDRLEN (IEEE802_11_FC_LEN+IEEE802_11_DUR_LEN+IEEE802_11_RA_LEN) + +struct ctrl_bar_t { + u_int16_t fc; + u_int16_t dur; + u_int8_t ra[6]; + u_int8_t ta[6]; + u_int16_t ctl; + u_int16_t seq; + u_int8_t fcs[4]; +}; + +#define CTRL_BAR_HDRLEN (IEEE802_11_FC_LEN+IEEE802_11_DUR_LEN+\ + IEEE802_11_RA_LEN+IEEE802_11_TA_LEN+\ + IEEE802_11_CTL_LEN+IEEE802_11_SEQ_LEN) + +struct meshcntl_t { + u_int8_t flags; + u_int8_t ttl; + u_int8_t seq[4]; + u_int8_t addr4[6]; + u_int8_t addr5[6]; + u_int8_t addr6[6]; +}; + #define IV_IV(iv) ((iv) & 0xFFFFFF) #define IV_PAD(iv) (((iv) >> 24) & 0x3F) #define IV_KEYID(iv) (((iv) >> 30) & 0x03)