diff options
Diffstat (limited to 'carl9170fw/include/linux/ieee80211.h')
| -rw-r--r-- | carl9170fw/include/linux/ieee80211.h | 1918 |
1 files changed, 0 insertions, 1918 deletions
diff --git a/carl9170fw/include/linux/ieee80211.h b/carl9170fw/include/linux/ieee80211.h deleted file mode 100644 index e4448ca..0000000 --- a/carl9170fw/include/linux/ieee80211.h +++ /dev/null @@ -1,1918 +0,0 @@ -/* - * IEEE 802.11 defines - * - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * <jkmaline@cc.hut.fi> - * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> - * Copyright (c) 2005, Devicescape Software, Inc. - * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> - * - * 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 __LINUX_IEEE80211_H -#define __LINUX_IEEE80211_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 -#define IEEE80211_FCTL_FTYPE 0x000c -#define IEEE80211_FCTL_STYPE 0x00f0 -#define IEEE80211_FCTL_TODS 0x0100 -#define IEEE80211_FCTL_FROMDS 0x0200 -#define IEEE80211_FCTL_MOREFRAGS 0x0400 -#define IEEE80211_FCTL_RETRY 0x0800 -#define IEEE80211_FCTL_PM 0x1000 -#define IEEE80211_FCTL_MOREDATA 0x2000 -#define IEEE80211_FCTL_PROTECTED 0x4000 -#define IEEE80211_FCTL_ORDER 0x8000 - -#define IEEE80211_SCTL_FRAG 0x000F -#define IEEE80211_SCTL_SEQ 0xFFF0 - -#define IEEE80211_FTYPE_MGMT 0x0000 -#define IEEE80211_FTYPE_CTL 0x0004 -#define IEEE80211_FTYPE_DATA 0x0008 - -/* management */ -#define IEEE80211_STYPE_ASSOC_REQ 0x0000 -#define IEEE80211_STYPE_ASSOC_RESP 0x0010 -#define IEEE80211_STYPE_REASSOC_REQ 0x0020 -#define IEEE80211_STYPE_REASSOC_RESP 0x0030 -#define IEEE80211_STYPE_PROBE_REQ 0x0040 -#define IEEE80211_STYPE_PROBE_RESP 0x0050 -#define IEEE80211_STYPE_BEACON 0x0080 -#define IEEE80211_STYPE_ATIM 0x0090 -#define IEEE80211_STYPE_DISASSOC 0x00A0 -#define IEEE80211_STYPE_AUTH 0x00B0 -#define IEEE80211_STYPE_DEAUTH 0x00C0 -#define IEEE80211_STYPE_ACTION 0x00D0 - -/* control */ -#define IEEE80211_STYPE_BACK_REQ 0x0080 -#define IEEE80211_STYPE_BACK 0x0090 -#define IEEE80211_STYPE_PSPOLL 0x00A0 -#define IEEE80211_STYPE_RTS 0x00B0 -#define IEEE80211_STYPE_CTS 0x00C0 -#define IEEE80211_STYPE_ACK 0x00D0 -#define IEEE80211_STYPE_CFEND 0x00E0 -#define IEEE80211_STYPE_CFENDACK 0x00F0 - -/* data */ -#define IEEE80211_STYPE_DATA 0x0000 -#define IEEE80211_STYPE_DATA_CFACK 0x0010 -#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 -#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 -#define IEEE80211_STYPE_NULLFUNC 0x0040 -#define IEEE80211_STYPE_CFACK 0x0050 -#define IEEE80211_STYPE_CFPOLL 0x0060 -#define IEEE80211_STYPE_CFACKPOLL 0x0070 -#define IEEE80211_STYPE_QOS_DATA 0x0080 -#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 -#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 -#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 -#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 -#define IEEE80211_STYPE_QOS_CFACK 0x00D0 -#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 -#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 - - -/* miscellaneous IEEE 802.11 constants */ -#define IEEE80211_MAX_FRAG_THRESHOLD 2352 -#define IEEE80211_MAX_RTS_THRESHOLD 2353 -#define IEEE80211_MAX_AID 2007 -#define IEEE80211_MAX_TIM_LEN 251 -/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section - 6.2.1.1.2. - - 802.11e clarifies the figure in section 7.1.2. The frame body is - up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ -#define IEEE80211_MAX_DATA_LEN 2304 -/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ -#define IEEE80211_MAX_FRAME_LEN 2352 - -#define IEEE80211_MAX_SSID_LEN 32 - -#define IEEE80211_MAX_MESH_ID_LEN 32 - -#define IEEE80211_QOS_CTL_LEN 2 -/* 1d tag mask */ -#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 -/* TID mask */ -#define IEEE80211_QOS_CTL_TID_MASK 0x000f -/* EOSP */ -#define IEEE80211_QOS_CTL_EOSP 0x0010 -/* ACK policy */ -#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 -#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 -#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 -#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 -#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 -/* A-MSDU 802.11n */ -#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 -/* Mesh Control 802.11s */ -#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 - -/* U-APSD queue for WMM IEs sent by AP */ -#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) -#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f - -/* U-APSD queues for WMM IEs sent by STA */ -#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) -#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) -#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) -#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) -#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f - -/* U-APSD max SP length for WMM IEs sent by STA */ -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 -#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 - -#define IEEE80211_HT_CTL_LEN 4 - -struct ieee80211_hdr { - __le16 frame_control; - __le16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - __le16 seq_ctrl; - u8 addr4[6]; -} __attribute__ ((packed)); - -struct ieee80211_hdr_3addr { - __le16 frame_control; - __le16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - __le16 seq_ctrl; -} __attribute__ ((packed)); - -struct ieee80211_qos_hdr { - __le16 frame_control; - __le16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - __le16 seq_ctrl; - __le16 qos_ctrl; -} __attribute__ ((packed)); - -/** - * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_tods(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; -} - -/** - * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_fromds(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; -} - -/** - * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_a4(__le16 fc) -{ - __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); - return (fc & tmp) == tmp; -} - -/** - * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_morefrags(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; -} - -/** - * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_retry(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; -} - -/** - * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_pm(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; -} - -/** - * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_moredata(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; -} - -/** - * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_protected(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; -} - -/** - * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_has_order(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; -} - -/** - * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_mgmt(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT); -} - -/** - * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_ctl(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL); -} - -/** - * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_data(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == - cpu_to_le16(IEEE80211_FTYPE_DATA); -} - -/** - * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_data_qos(__le16 fc) -{ - /* - * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need - * to check the one bit - */ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == - cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); -} - -/** - * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_data_present(__le16 fc) -{ - /* - * mask with 0x40 and test that that bit is clear to only return true - * for the data-containing substypes. - */ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == - cpu_to_le16(IEEE80211_FTYPE_DATA); -} - -/** - * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_assoc_req(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); -} - -/** - * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_assoc_resp(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); -} - -/** - * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_reassoc_req(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); -} - -/** - * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_reassoc_resp(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); -} - -/** - * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_probe_req(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); -} - -/** - * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_probe_resp(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); -} - -/** - * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_beacon(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); -} - -/** - * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_atim(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); -} - -/** - * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_disassoc(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); -} - -/** - * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_auth(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); -} - -/** - * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_deauth(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); -} - -/** - * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_action(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); -} - -/** - * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_back_req(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); -} - -/** - * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_back(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); -} - -/** - * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_pspoll(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); -} - -/** - * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_rts(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); -} - -/** - * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_cts(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); -} - -/** - * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_ack(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); -} - -/** - * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_cfend(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); -} - -/** - * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_cfendack(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); -} - -/** - * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_nullfunc(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); -} - -/** - * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame - * @fc: frame control bytes in little-endian byteorder - */ -static inline int ieee80211_is_qos_nullfunc(__le16 fc) -{ - return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); -} - -static inline unsigned int ieee80211_hdrlen(__le16 fc) -{ - unsigned int hdrlen = 24; - - if (ieee80211_has_a4(fc)) - hdrlen = 30; - - if (ieee80211_is_data_qos(fc)) { - hdrlen += IEEE80211_QOS_CTL_LEN; - if (ieee80211_has_order(fc)) - hdrlen += IEEE80211_HT_CTL_LEN; - } - - return hdrlen; -} - -/** - * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set - * @seq_ctrl: frame sequence control bytes in little-endian byteorder - */ -static inline int ieee80211_is_first_frag(__le16 seq_ctrl) -{ - return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; -} - -struct ieee80211s_hdr { - u8 flags; - u8 ttl; - __le32 seqnum; - u8 eaddr1[6]; - u8 eaddr2[6]; -} __attribute__ ((packed)); - -/* Mesh flags */ -#define MESH_FLAGS_AE_A4 0x1 -#define MESH_FLAGS_AE_A5_A6 0x2 -#define MESH_FLAGS_AE 0x3 -#define MESH_FLAGS_PS_DEEP 0x4 - -/** - * struct ieee80211_quiet_ie - * - * This structure refers to "Quiet information element" - */ -struct ieee80211_quiet_ie { - u8 count; - u8 period; - __le16 duration; - __le16 offset; -} __attribute__ ((packed)); - -/** - * struct ieee80211_msrment_ie - * - * This structure refers to "Measurement Request/Report information element" - */ -struct ieee80211_msrment_ie { - u8 token; - u8 mode; - u8 type; - u8 request[0]; -} __attribute__ ((packed)); - -/** - * struct ieee80211_channel_sw_ie - * - * This structure refers to "Channel Switch Announcement information element" - */ -struct ieee80211_channel_sw_ie { - u8 mode; - u8 new_ch_num; - u8 count; -} __attribute__ ((packed)); - -/** - * struct ieee80211_tim - * - * This structure refers to "Traffic Indication Map information element" - */ -struct ieee80211_tim_ie { - u8 dtim_count; - u8 dtim_period; - u8 bitmap_ctrl; - /* variable size: 1 - 251 bytes */ - u8 virtual_map[1]; -} __attribute__ ((packed)); - -/** - * struct ieee80211_meshconf_ie - * - * This structure refers to "Mesh Configuration information element" - */ -struct ieee80211_meshconf_ie { - u8 meshconf_psel; - u8 meshconf_pmetric; - u8 meshconf_congest; - u8 meshconf_synch; - u8 meshconf_auth; - u8 meshconf_form; - u8 meshconf_cap; -} __attribute__ ((packed)); - -/** - * struct ieee80211_rann_ie - * - * This structure refers to "Root Announcement information element" - */ -struct ieee80211_rann_ie { - u8 rann_flags; - u8 rann_hopcount; - u8 rann_ttl; - u8 rann_addr[6]; - __le32 rann_seq; - __le32 rann_interval; - __le32 rann_metric; -} __attribute__ ((packed)); - -enum ieee80211_rann_flags { - RANN_FLAG_IS_GATE = 1 << 0, -}; - -#define WLAN_SA_QUERY_TR_ID_LEN 2 - -struct ieee80211_mgmt { - __le16 frame_control; - __le16 duration; - u8 da[6]; - u8 sa[6]; - u8 bssid[6]; - __le16 seq_ctrl; - union { - struct { - __le16 auth_alg; - __le16 auth_transaction; - __le16 status_code; - /* possibly followed by Challenge text */ - u8 variable[0]; - } __attribute__ ((packed)) auth; - struct { - __le16 reason_code; - } __attribute__ ((packed)) deauth; - struct { - __le16 capab_info; - __le16 listen_interval; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) assoc_req; - struct { - __le16 capab_info; - __le16 status_code; - __le16 aid; - /* followed by Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) assoc_resp, reassoc_resp; - struct { - __le16 capab_info; - __le16 listen_interval; - u8 current_ap[6]; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) reassoc_req; - struct { - __le16 reason_code; - } __attribute__ ((packed)) disassoc; - struct { - __le64 timestamp; - __le16 beacon_int; - __le16 capab_info; - /* followed by some of SSID, Supported rates, - * FH Params, DS Params, CF Params, IBSS Params, TIM */ - u8 variable[0]; - } __attribute__ ((packed)) beacon; - struct { - /* only variable items: SSID, Supported rates */ - u8 variable[0]; - } __attribute__ ((packed)) probe_req; - struct { - __le64 timestamp; - __le16 beacon_int; - __le16 capab_info; - /* followed by some of SSID, Supported rates, - * FH Params, DS Params, CF Params, IBSS Params */ - u8 variable[0]; - } __attribute__ ((packed)) probe_resp; - struct { - u8 category; - union { - struct { - u8 action_code; - u8 dialog_token; - u8 status_code; - u8 variable[0]; - } __attribute__ ((packed)) wme_action; - struct{ - u8 action_code; - u8 element_id; - u8 length; - struct ieee80211_channel_sw_ie sw_elem; - } __attribute__((packed)) chan_switch; - struct{ - u8 action_code; - u8 dialog_token; - u8 element_id; - u8 length; - struct ieee80211_msrment_ie msr_elem; - } __attribute__((packed)) measurement; - struct{ - u8 action_code; - u8 dialog_token; - __le16 capab; - __le16 timeout; - __le16 start_seq_num; - } __attribute__((packed)) addba_req; - struct{ - u8 action_code; - u8 dialog_token; - __le16 status; - __le16 capab; - __le16 timeout; - } __attribute__((packed)) addba_resp; - struct{ - u8 action_code; - __le16 params; - __le16 reason_code; - } __attribute__((packed)) delba; - struct { - u8 action_code; - u8 variable[0]; - } __attribute__((packed)) self_prot; - struct{ - 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; - struct { - u8 action; - u8 smps_control; - } __attribute__ ((packed)) ht_smps; - struct { - u8 action_code; - u8 dialog_token; - __le16 capability; - u8 variable[0]; - } __packed tdls_discover_resp; - } u; - } __attribute__ ((packed)) action; - } u; -} __attribute__ ((packed)); - -/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ -#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 - -/* mgmt header + 1 byte category code */ -#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)); - -struct ieee80211_vendor_ie { - u8 element_id; - u8 len; - u8 oui[3]; - u8 oui_type; -} __packed; - -/* Control frames */ -struct ieee80211_rts { - __le16 frame_control; - __le16 duration; - u8 ra[6]; - u8 ta[6]; -} __attribute__ ((packed)); - -struct ieee80211_cts { - __le16 frame_control; - __le16 duration; - u8 ra[6]; -} __attribute__ ((packed)); - -struct ieee80211_pspoll { - __le16 frame_control; - __le16 aid; - u8 bssid[6]; - u8 ta[6]; -} __attribute__ ((packed)); - -/* TDLS */ - -/* Link-id information element */ -struct ieee80211_tdls_lnkie { - u8 ie_type; /* Link Identifier IE */ - u8 ie_len; - u8 bssid[6]; - u8 init_sta[6]; - u8 resp_sta[6]; -} __packed; - -struct ieee80211_tdls_data { - u8 da[6]; - u8 sa[6]; - __be16 ether_type; - u8 payload_type; - u8 category; - u8 action_code; - union { - struct { - u8 dialog_token; - __le16 capability; - u8 variable[0]; - } __packed setup_req; - struct { - __le16 status_code; - u8 dialog_token; - __le16 capability; - u8 variable[0]; - } __packed setup_resp; - struct { - __le16 status_code; - u8 dialog_token; - u8 variable[0]; - } __packed setup_cfm; - struct { - __le16 reason_code; - u8 variable[0]; - } __packed teardown; - struct { - u8 dialog_token; - u8 variable[0]; - } __packed discover_req; - } u; -} __packed; - -/** - * struct ieee80211_bar - HT Block Ack Request - * - * This structure refers to "HT BlockAckReq" as - * described in 802.11n draft section 7.2.1.7.1 - */ -struct ieee80211_bar { - __le16 frame_control; - __le16 duration; - __u8 ra[6]; - __u8 ta[6]; - __le16 control; - __le16 start_seq_num; -} __attribute__((packed)) __aligned(4); - -/* 802.11 BA(R) control masks */ -#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 -#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 -#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 -#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 -#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 - -/** - * struct ieee80211_ba - HT Block Ack - * - * This structure refers to "HT BlockAck" as - * described in 802.11n draft section 7.2.1.8.1 - */ -struct ieee80211_ba { - __le16 frame_control; - __le16 duration; - u8 ra[6]; - u8 ta[6]; - __le16 control; - - __le16 start_seq_num; - u8 bitmap[8]; -} __attribute__((packed)); - -#define IEEE80211_HT_MCS_MASK_LEN 10 - -/** - * struct ieee80211_mcs_info - MCS information - * @rx_mask: RX mask - * @rx_highest: highest supported RX rate. If set represents - * the highest supported RX data rate in units of 1 Mbps. - * If this field is 0 this value should not be used to - * consider the highest RX data rate supported. - * @tx_params: TX parameters - */ -struct ieee80211_mcs_info { - u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; - __le16 rx_highest; - u8 tx_params; - u8 reserved[3]; -} __attribute__((packed)); - -/* 802.11n HT capability MSC set */ -#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff -#define IEEE80211_HT_MCS_TX_DEFINED 0x01 -#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 -/* value 0 == 1 stream etc */ -#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C -#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 -#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 -#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 - -/* - * 802.11n D5.0 20.3.5 / 20.6 says: - * - indices 0 to 7 and 32 are single spatial stream - * - 8 to 31 are multiple spatial streams using equal modulation - * [8..15 for two streams, 16..23 for three and 24..31 for four] - * - remainder are multiple spatial streams using unequal modulation - */ -#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 -#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ - (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) - -/** - * struct ieee80211_ht_cap - HT capabilities - * - * This structure is the "HT capabilities element" as - * described in 802.11n D5.0 7.3.2.57 - */ -struct ieee80211_ht_cap { - __le16 cap_info; - u8 ampdu_params_info; - - /* 16 bytes MCS information */ - struct ieee80211_mcs_info mcs; - - __le16 extended_ht_cap_info; - __le32 tx_BF_cap_info; - u8 antenna_selection_info; -} __attribute__ ((packed)); - -/* 802.11n HT capabilities masks (for cap_info) */ -#define IEEE80211_HT_CAP_LDPC_CODING 0x0001 -#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 -#define IEEE80211_HT_CAP_SM_PS 0x000C -#define IEEE80211_HT_CAP_SM_PS_SHIFT 2 -#define IEEE80211_HT_CAP_GRN_FLD 0x0010 -#define IEEE80211_HT_CAP_SGI_20 0x0020 -#define IEEE80211_HT_CAP_SGI_40 0x0040 -#define IEEE80211_HT_CAP_TX_STBC 0x0080 -#define IEEE80211_HT_CAP_RX_STBC 0x0300 -#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 -#define IEEE80211_HT_CAP_DELAY_BA 0x0400 -#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 -#define IEEE80211_HT_CAP_DSSSCCK40 0x1000 -#define IEEE80211_HT_CAP_RESERVED 0x2000 -#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 -#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 - -/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ -#define IEEE80211_HT_EXT_CAP_PCO 0x0001 -#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 -#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 -#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 -#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 -#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 -#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 - -/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ -#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 -#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C -#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 - -/* - * Maximum length of AMPDU that the STA can receive. - * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) - */ -enum ieee80211_max_ampdu_length_exp { - IEEE80211_HT_MAX_AMPDU_8K = 0, - IEEE80211_HT_MAX_AMPDU_16K = 1, - IEEE80211_HT_MAX_AMPDU_32K = 2, - IEEE80211_HT_MAX_AMPDU_64K = 3 -}; - -#define IEEE80211_HT_MAX_AMPDU_FACTOR 13 - -/* Minimum MPDU start spacing */ -enum ieee80211_min_mpdu_spacing { - IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ - IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ - IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ - IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ - IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ - IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ - IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ - IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ -}; - -/** - * struct ieee80211_ht_operation - HT operation IE - * - * This structure is the "HT operation element" as - * described in 802.11n-2009 7.3.2.57 - */ -struct ieee80211_ht_operation { - u8 primary_chan; - u8 ht_param; - __le16 operation_mode; - __le16 stbc_param; - u8 basic_set[16]; -} __attribute__ ((packed)); - -/* for ht_param */ -#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 -#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 -#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 -#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 -#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 -#define IEEE80211_HT_PARAM_RIFS_MODE 0x08 - -/* for operation_mode */ -#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 -#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 -#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 -#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 -#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 -#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 -#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 - -/* for stbc_param */ -#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 -#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 -#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 -#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 -#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 -#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 - - -/* block-ack parameters */ -#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 -#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C -#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 -#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 -#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 - -/* - * A-PMDU buffer sizes - * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) - */ -#define IEEE80211_MIN_AMPDU_BUF 0x8 -#define IEEE80211_MAX_AMPDU_BUF 0x40 - - -/* Spatial Multiplexing Power Save Modes (for capability) */ -#define WLAN_HT_CAP_SM_PS_STATIC 0 -#define WLAN_HT_CAP_SM_PS_DYNAMIC 1 -#define WLAN_HT_CAP_SM_PS_INVALID 2 -#define WLAN_HT_CAP_SM_PS_DISABLED 3 - -/* for SM power control field lower two bits */ -#define WLAN_HT_SMPS_CONTROL_DISABLED 0 -#define WLAN_HT_SMPS_CONTROL_STATIC 1 -#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 - -/* Authentication algorithms */ -#define WLAN_AUTH_OPEN 0 -#define WLAN_AUTH_SHARED_KEY 1 -#define WLAN_AUTH_FT 2 -#define WLAN_AUTH_SAE 3 -#define WLAN_AUTH_LEAP 128 - -#define WLAN_AUTH_CHALLENGE_LEN 128 - -#define WLAN_CAPABILITY_ESS (1<<0) -#define WLAN_CAPABILITY_IBSS (1<<1) - -/* - * A mesh STA sets the ESS and IBSS capability bits to zero. - * however, this holds true for p2p probe responses (in the p2p_find - * phase) as well. - */ -#define WLAN_CAPABILITY_IS_STA_BSS(cap) \ - (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) - -#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) -#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) -#define WLAN_CAPABILITY_PRIVACY (1<<4) -#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) -#define WLAN_CAPABILITY_PBCC (1<<6) -#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) - -/* 802.11h */ -#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) -#define WLAN_CAPABILITY_QOS (1<<9) -#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) -#define WLAN_CAPABILITY_DSSS_OFDM (1<<13) -/* measurement */ -#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) -#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) -#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) - -#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 -#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 -#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 - - -/* 802.11g ERP information element */ -#define WLAN_ERP_NON_ERP_PRESENT (1<<0) -#define WLAN_ERP_USE_PROTECTION (1<<1) -#define WLAN_ERP_BARKER_PREAMBLE (1<<2) - -/* WLAN_ERP_BARKER_PREAMBLE values */ -enum { - WLAN_ERP_PREAMBLE_SHORT = 0, - WLAN_ERP_PREAMBLE_LONG = 1, -}; - -/* Status codes */ -enum ieee80211_statuscode { - WLAN_STATUS_SUCCESS = 0, - WLAN_STATUS_UNSPECIFIED_FAILURE = 1, - WLAN_STATUS_CAPS_UNSUPPORTED = 10, - WLAN_STATUS_REASSOC_NO_ASSOC = 11, - WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, - WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, - WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, - WLAN_STATUS_CHALLENGE_FAIL = 15, - WLAN_STATUS_AUTH_TIMEOUT = 16, - WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, - WLAN_STATUS_ASSOC_DENIED_RATES = 18, - /* 802.11b */ - WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, - WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, - WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, - /* 802.11h */ - WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, - WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, - WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, - /* 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, - WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, - WLAN_STATUS_INVALID_AKMP = 43, - WLAN_STATUS_UNSUPP_RSN_VERSION = 44, - WLAN_STATUS_INVALID_RSN_IE_CAP = 45, - WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, - /* 802.11e */ - WLAN_STATUS_UNSPECIFIED_QOS = 32, - WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, - WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, - WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, - WLAN_STATUS_REQUEST_DECLINED = 37, - WLAN_STATUS_INVALID_QOS_PARAM = 38, - WLAN_STATUS_CHANGE_TSPEC = 39, - WLAN_STATUS_WAIT_TS_DELAY = 47, - WLAN_STATUS_NO_DIRECT_LINK = 48, - WLAN_STATUS_STA_NOT_PRESENT = 49, - WLAN_STATUS_STA_NOT_QSTA = 50, - /* 802.11s */ - WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, - WLAN_STATUS_FCG_NOT_SUPP = 78, - WLAN_STATUS_STA_NO_TBTT = 78, -}; - - -/* Reason codes */ -enum ieee80211_reasoncode { - WLAN_REASON_UNSPECIFIED = 1, - WLAN_REASON_PREV_AUTH_NOT_VALID = 2, - WLAN_REASON_DEAUTH_LEAVING = 3, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, - WLAN_REASON_DISASSOC_AP_BUSY = 5, - WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, - WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, - WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, - WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, - /* 802.11h */ - WLAN_REASON_DISASSOC_BAD_POWER = 10, - WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, - /* 802.11i */ - WLAN_REASON_INVALID_IE = 13, - WLAN_REASON_MIC_FAILURE = 14, - WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, - WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, - WLAN_REASON_IE_DIFFERENT = 17, - WLAN_REASON_INVALID_GROUP_CIPHER = 18, - WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, - WLAN_REASON_INVALID_AKMP = 20, - WLAN_REASON_UNSUPP_RSN_VERSION = 21, - WLAN_REASON_INVALID_RSN_IE_CAP = 22, - WLAN_REASON_IEEE8021X_FAILED = 23, - WLAN_REASON_CIPHER_SUITE_REJECTED = 24, - /* 802.11e */ - WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, - WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, - WLAN_REASON_DISASSOC_LOW_ACK = 34, - WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, - WLAN_REASON_QSTA_LEAVE_QBSS = 36, - WLAN_REASON_QSTA_NOT_USE = 37, - WLAN_REASON_QSTA_REQUIRE_SETUP = 38, - WLAN_REASON_QSTA_TIMEOUT = 39, - WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, - /* 802.11s */ - WLAN_REASON_MESH_PEER_CANCELED = 52, - WLAN_REASON_MESH_MAX_PEERS = 53, - WLAN_REASON_MESH_CONFIG = 54, - WLAN_REASON_MESH_CLOSE = 55, - WLAN_REASON_MESH_MAX_RETRIES = 56, - WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, - WLAN_REASON_MESH_INVALID_GTK = 58, - WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, - WLAN_REASON_MESH_INVALID_SECURITY = 60, - WLAN_REASON_MESH_PATH_ERROR = 61, - WLAN_REASON_MESH_PATH_NOFORWARD = 62, - WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, - WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, - WLAN_REASON_MESH_CHAN_REGULATORY = 65, - WLAN_REASON_MESH_CHAN = 66, -}; - - -/* Information Element IDs */ -enum ieee80211_eid { - WLAN_EID_SSID = 0, - WLAN_EID_SUPP_RATES = 1, - WLAN_EID_FH_PARAMS = 2, - WLAN_EID_DS_PARAMS = 3, - WLAN_EID_CF_PARAMS = 4, - WLAN_EID_TIM = 5, - WLAN_EID_IBSS_PARAMS = 6, - WLAN_EID_CHALLENGE = 16, - - WLAN_EID_COUNTRY = 7, - WLAN_EID_HP_PARAMS = 8, - WLAN_EID_HP_TABLE = 9, - WLAN_EID_REQUEST = 10, - - WLAN_EID_QBSS_LOAD = 11, - WLAN_EID_EDCA_PARAM_SET = 12, - WLAN_EID_TSPEC = 13, - WLAN_EID_TCLAS = 14, - WLAN_EID_SCHEDULE = 15, - WLAN_EID_TS_DELAY = 43, - WLAN_EID_TCLAS_PROCESSING = 44, - WLAN_EID_QOS_CAPA = 46, - /* 802.11z */ - WLAN_EID_LINK_ID = 101, - /* 802.11s */ - WLAN_EID_MESH_CONFIG = 113, - WLAN_EID_MESH_ID = 114, - WLAN_EID_LINK_METRIC_REPORT = 115, - WLAN_EID_CONGESTION_NOTIFICATION = 116, - WLAN_EID_PEER_MGMT = 117, - WLAN_EID_CHAN_SWITCH_PARAM = 118, - WLAN_EID_MESH_AWAKE_WINDOW = 119, - WLAN_EID_BEACON_TIMING = 120, - WLAN_EID_MCCAOP_SETUP_REQ = 121, - WLAN_EID_MCCAOP_SETUP_RESP = 122, - WLAN_EID_MCCAOP_ADVERT = 123, - WLAN_EID_MCCAOP_TEARDOWN = 124, - WLAN_EID_GANN = 125, - WLAN_EID_RANN = 126, - WLAN_EID_PREQ = 130, - WLAN_EID_PREP = 131, - WLAN_EID_PERR = 132, - WLAN_EID_PXU = 137, - WLAN_EID_PXUC = 138, - WLAN_EID_AUTH_MESH_PEER_EXCH = 139, - WLAN_EID_MIC = 140, - - WLAN_EID_PWR_CONSTRAINT = 32, - WLAN_EID_PWR_CAPABILITY = 33, - WLAN_EID_TPC_REQUEST = 34, - WLAN_EID_TPC_REPORT = 35, - WLAN_EID_SUPPORTED_CHANNELS = 36, - WLAN_EID_CHANNEL_SWITCH = 37, - WLAN_EID_MEASURE_REQUEST = 38, - WLAN_EID_MEASURE_REPORT = 39, - WLAN_EID_QUIET = 40, - WLAN_EID_IBSS_DFS = 41, - - WLAN_EID_ERP_INFO = 42, - WLAN_EID_EXT_SUPP_RATES = 50, - - WLAN_EID_HT_CAPABILITY = 45, - WLAN_EID_HT_OPERATION = 61, - - WLAN_EID_RSN = 48, - WLAN_EID_MMIE = 76, - WLAN_EID_WPA = 221, - WLAN_EID_GENERIC = 221, - WLAN_EID_VENDOR_SPECIFIC = 221, - WLAN_EID_QOS_PARAMETER = 222, - - WLAN_EID_AP_CHAN_REPORT = 51, - WLAN_EID_NEIGHBOR_REPORT = 52, - WLAN_EID_RCPI = 53, - WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, - WLAN_EID_ANTENNA_INFO = 64, - WLAN_EID_RSNI = 65, - WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, - WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, - WLAN_EID_BSS_AC_ACCESS_DELAY = 68, - WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, - WLAN_EID_MULTIPLE_BSSID = 71, - WLAN_EID_BSS_COEX_2040 = 72, - WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, - WLAN_EID_EXT_CAPABILITY = 127, - - WLAN_EID_MOBILITY_DOMAIN = 54, - WLAN_EID_FAST_BSS_TRANSITION = 55, - WLAN_EID_TIMEOUT_INTERVAL = 56, - WLAN_EID_RIC_DATA = 57, - WLAN_EID_RIC_DESCRIPTOR = 75, - - WLAN_EID_DSE_REGISTERED_LOCATION = 58, - WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, - WLAN_EID_EXT_CHANSWITCH_ANN = 60, -}; - -/* Action category code */ -enum ieee80211_category { - WLAN_CATEGORY_SPECTRUM_MGMT = 0, - WLAN_CATEGORY_QOS = 1, - WLAN_CATEGORY_DLS = 2, - WLAN_CATEGORY_BACK = 3, - WLAN_CATEGORY_PUBLIC = 4, - WLAN_CATEGORY_HT = 7, - WLAN_CATEGORY_SA_QUERY = 8, - WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, - WLAN_CATEGORY_TDLS = 12, - WLAN_CATEGORY_MESH_ACTION = 13, - WLAN_CATEGORY_MULTIHOP_ACTION = 14, - WLAN_CATEGORY_SELF_PROTECTED = 15, - WLAN_CATEGORY_WMM = 17, - WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, - WLAN_CATEGORY_VENDOR_SPECIFIC = 127, -}; - -/* SPECTRUM_MGMT action code */ -enum ieee80211_spectrum_mgmt_actioncode { - WLAN_ACTION_SPCT_MSR_REQ = 0, - WLAN_ACTION_SPCT_MSR_RPRT = 1, - WLAN_ACTION_SPCT_TPC_REQ = 2, - WLAN_ACTION_SPCT_TPC_RPRT = 3, - WLAN_ACTION_SPCT_CHL_SWITCH = 4, -}; - -/* HT action codes */ -enum ieee80211_ht_actioncode { - WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, - WLAN_HT_ACTION_SMPS = 1, - WLAN_HT_ACTION_PSMP = 2, - WLAN_HT_ACTION_PCO_PHASE = 3, - WLAN_HT_ACTION_CSI = 4, - WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, - WLAN_HT_ACTION_COMPRESSED_BF = 6, - WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, -}; - -/* Self Protected Action codes */ -enum ieee80211_self_protected_actioncode { - WLAN_SP_RESERVED = 0, - WLAN_SP_MESH_PEERING_OPEN = 1, - WLAN_SP_MESH_PEERING_CONFIRM = 2, - WLAN_SP_MESH_PEERING_CLOSE = 3, - WLAN_SP_MGK_INFORM = 4, - WLAN_SP_MGK_ACK = 5, -}; - -/* Mesh action codes */ -enum ieee80211_mesh_actioncode { - WLAN_MESH_ACTION_LINK_METRIC_REPORT, - WLAN_MESH_ACTION_HWMP_PATH_SELECTION, - WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, - WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, - WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, - WLAN_MESH_ACTION_MCCA_SETUP_REPLY, - WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, - WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, - WLAN_MESH_ACTION_MCCA_TEARDOWN, - WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, - WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, -}; - -/* Security key length */ -enum ieee80211_key_len { - WLAN_KEY_LEN_WEP40 = 5, - WLAN_KEY_LEN_WEP104 = 13, - WLAN_KEY_LEN_CCMP = 16, - WLAN_KEY_LEN_TKIP = 32, - WLAN_KEY_LEN_AES_CMAC = 16, -}; - -/* Public action codes */ -enum ieee80211_pub_actioncode { - WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, -}; - -/* TDLS action codes */ -enum ieee80211_tdls_actioncode { - WLAN_TDLS_SETUP_REQUEST = 0, - WLAN_TDLS_SETUP_RESPONSE = 1, - WLAN_TDLS_SETUP_CONFIRM = 2, - WLAN_TDLS_TEARDOWN = 3, - WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, - WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, - WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, - WLAN_TDLS_PEER_PSM_REQUEST = 7, - WLAN_TDLS_PEER_PSM_RESPONSE = 8, - WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, - WLAN_TDLS_DISCOVERY_REQUEST = 10, -}; - -/* - * TDLS capabililites to be enabled in the 5th byte of the - * @WLAN_EID_EXT_CAPABILITY information element - */ -#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) -#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) - -/* TDLS specific payload type in the LLC/SNAP header */ -#define WLAN_TDLS_SNAP_RFTYPE 0x2 - -/** - * enum - mesh synchronization method identifier - * - * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method - * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method - * that will be specified in a vendor specific information element - */ -enum { - IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, - IEEE80211_SYNC_METHOD_VENDOR = 255, -}; - -/** - * enum - mesh path selection protocol identifier - * - * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol - * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will - * be specified in a vendor specific information element - */ -enum { - IEEE80211_PATH_PROTOCOL_HWMP = 1, - IEEE80211_PATH_PROTOCOL_VENDOR = 255, -}; - -/** - * enum - mesh path selection metric identifier - * - * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric - * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be - * specified in a vendor specific information element - */ -enum { - IEEE80211_PATH_METRIC_AIRTIME = 1, - IEEE80211_PATH_METRIC_VENDOR = 255, -}; - - -/* - * IEEE 802.11-2007 7.3.2.9 Country information element - * - * Minimum length is 8 octets, ie len must be evenly - * divisible by 2 - */ - -/* Although the spec says 8 I'm seeing 6 in practice */ -#define IEEE80211_COUNTRY_IE_MIN_LEN 6 - -/* The Country String field of the element shall be 3 octets in length */ -#define IEEE80211_COUNTRY_STRING_LEN 3 - -/* - * For regulatory extension stuff see IEEE 802.11-2007 - * Annex I (page 1141) and Annex J (page 1147). Also - * review 7.3.2.9. - * - * When dot11RegulatoryClassesRequired is true and the - * first_channel/reg_extension_id is >= 201 then the IE - * compromises of the 'ext' struct represented below: - * - * - Regulatory extension ID - when generating IE this just needs - * to be monotonically increasing for each triplet passed in - * the IE - * - Regulatory class - index into set of rules - * - Coverage class - index into air propagation time (Table 7-27), - * in microseconds, you can compute the air propagation time from - * the index by multiplying by 3, so index 10 yields a propagation - * of 10 us. Valid values are 0-31, values 32-255 are not defined - * yet. A value of 0 inicates air propagation of <= 1 us. - * - * See also Table I.2 for Emission limit sets and table - * I.3 for Behavior limit sets. Table J.1 indicates how to map - * a reg_class to an emission limit set and behavior limit set. - */ -#define IEEE80211_COUNTRY_EXTENSION_ID 201 - -/* - * Channels numbers in the IE must be monotonically increasing - * if dot11RegulatoryClassesRequired is not true. - * - * If dot11RegulatoryClassesRequired is true consecutive - * subband triplets following a regulatory triplet shall - * have monotonically increasing first_channel number fields. - * - * Channel numbers shall not overlap. - * - * Note that max_power is signed. - */ -struct ieee80211_country_ie_triplet { - union { - struct { - u8 first_channel; - u8 num_channels; - s8 max_power; - } __attribute__ ((packed)) chans; - struct { - u8 reg_extension_id; - u8 reg_class; - u8 coverage_class; - } __attribute__ ((packed)) ext; - }; -} __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, - WLAN_ACTION_ADDBA_RESP = 1, - WLAN_ACTION_DELBA = 2, -}; - -/* BACK (block-ack) parties */ -enum ieee80211_back_parties { - WLAN_BACK_RECIPIENT = 0, - WLAN_BACK_INITIATOR = 1, -}; - -/* SA Query action */ -enum ieee80211_sa_query_action { - WLAN_ACTION_SA_QUERY_REQUEST = 0, - WLAN_ACTION_SA_QUERY_RESPONSE = 1, -}; - - -/* cipher suite selectors */ -#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 -#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 -#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 -/* reserved: 0x000FAC03 */ -#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 -#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 -#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 - -#define WLAN_CIPHER_SUITE_SMS4 0x00147201 - -/* AKM suite selectors */ -#define WLAN_AKM_SUITE_8021X 0x000FAC01 -#define WLAN_AKM_SUITE_PSK 0x000FAC02 -#define WLAN_AKM_SUITE_SAE 0x000FAC08 -#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 - -#define WLAN_MAX_KEY_LEN 32 - -#define WLAN_PMKID_LEN 16 - -#define WLAN_OUI_WFA 0x506f9a -#define WLAN_OUI_TYPE_WFA_P2P 9 - -/* - * WMM/802.11e Tspec Element - */ -#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F -#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 - -enum ieee80211_tspec_status_code { - IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, - IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, -}; - -struct ieee80211_tspec_ie { - u8 element_id; - u8 len; - u8 oui[3]; - u8 oui_type; - u8 oui_subtype; - u8 version; - __le16 tsinfo; - u8 tsinfo_resvd; - __le16 nominal_msdu; - __le16 max_msdu; - __le32 min_service_int; - __le32 max_service_int; - __le32 inactivity_int; - __le32 suspension_int; - __le32 service_start_time; - __le32 min_data_rate; - __le32 mean_data_rate; - __le32 peak_data_rate; - __le32 max_burst_size; - __le32 delay_bound; - __le32 min_phy_rate; - __le16 sba; - __le16 medium_time; -} __packed; - -/** - * ieee80211_get_qos_ctl - get pointer to qos control bytes - * @hdr: the frame - * - * The qos ctrl bytes come after the frame_control, duration, seq_num - * and 3 or 4 addresses of length ETH_ALEN. - * 3 addr: 2 + 2 + 2 + 3*6 = 24 - * 4 addr: 2 + 2 + 2 + 4*6 = 30 - */ -static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) -{ - if (ieee80211_has_a4(hdr->frame_control)) - return (u8 *)hdr + 30; - else - return (u8 *)hdr + 24; -} - -/** - * ieee80211_get_SA - get pointer to SA - * @hdr: the frame - * - * Given an 802.11 frame, this function returns the offset - * to the source address (SA). It does not verify that the - * header is long enough to contain the address, and the - * header must be long enough to contain the frame control - * field. - */ -static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) -{ - if (ieee80211_has_a4(hdr->frame_control)) - return hdr->addr4; - if (ieee80211_has_fromds(hdr->frame_control)) - return hdr->addr3; - return hdr->addr2; -} - -/** - * ieee80211_get_DA - get pointer to DA - * @hdr: the frame - * - * Given an 802.11 frame, this function returns the offset - * to the destination address (DA). It does not verify that - * the header is long enough to contain the address, and the - * header must be long enough to contain the frame control - * field. - */ -static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) -{ - if (ieee80211_has_tods(hdr->frame_control)) - return hdr->addr3; - else - 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 && - *category != WLAN_CATEGORY_HT && - *category != WLAN_CATEGORY_SELF_PROTECTED && - *category != WLAN_CATEGORY_VENDOR_SPECIFIC; - } - - return false; -} - -/** - * ieee80211_is_public_action - check if frame is a public action frame - * @hdr: the frame - * @len: length of the frame - */ -static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, - size_t len) -{ - struct ieee80211_mgmt *mgmt = (void *)hdr; - - if (len < IEEE80211_MIN_ACTION_SIZE) - return false; - if (!ieee80211_is_action(hdr->frame_control)) - return false; - return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; -} - -/** - * 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; -} - -/** - * ieee80211_tu_to_usec - convert time units (TU) to microseconds - * @tu: the TUs - */ -static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) -{ - return 1024 * tu; -} - -/** - * ieee80211_check_tim - check if AID bit is set in TIM - * @tim: the TIM IE - * @tim_len: length of the TIM IE - * @aid: the AID to look for - */ -static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim, - u8 tim_len, u16 aid) -{ - u8 mask; - u8 indexn0, indexn1, indexn2; - - if (unlikely(!tim || tim_len < sizeof(*tim))) - return false; - - aid &= 0x3fff; - indexn0 = aid / 8; - mask = 1 << (aid & 7); - - indexn1 = tim->bitmap_ctrl & 0xfe; - indexn2 = tim_len + indexn1 - 4; - - if (indexn0 < indexn1 || indexn0 > indexn2) - return false; - - indexn0 -= indexn1; - - return !!(tim->virtual_map[indexn0] & mask); -} - -#endif /* __LINUX_IEEE80211_H */ |