cregit-Linux how code gets into the kernel

Release 4.11 drivers/staging/rtl8712/ieee80211.h

/******************************************************************************
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/
#ifndef __IEEE80211_H

#define __IEEE80211_H

#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include <linux/compiler.h>
#include <linux/wireless.h>


#define MGMT_QUEUE_NUM 5

#define ETH_ALEN	6

#define IEEE_CMD_SET_WPA_PARAM			1

#define IEEE_CMD_SET_WPA_IE			2

#define IEEE_CMD_SET_ENCRYPTION			3

#define IEEE_CMD_MLME				4


#define IEEE_PARAM_WPA_ENABLED			1

#define IEEE_PARAM_TKIP_COUNTERMEASURES		2

#define IEEE_PARAM_DROP_UNENCRYPTED		3

#define IEEE_PARAM_PRIVACY_INVOKED		4

#define IEEE_PARAM_AUTH_ALGS			5

#define IEEE_PARAM_IEEE_802_1X			6

#define IEEE_PARAM_WPAX_SELECT			7


#define AUTH_ALG_OPEN_SYSTEM			0x1

#define AUTH_ALG_SHARED_KEY			0x2

#define AUTH_ALG_LEAP				0x00000004


#define IEEE_MLME_STA_DEAUTH			1

#define IEEE_MLME_STA_DISASSOC			2


#define IEEE_CRYPT_ERR_UNKNOWN_ALG		2

#define IEEE_CRYPT_ERR_UNKNOWN_ADDR		3

#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED	4

#define IEEE_CRYPT_ERR_KEY_SET_FAILED		5

#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED	6

#define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7


#define	IEEE_CRYPT_ALG_NAME_LEN			16


#define WPA_CIPHER_NONE				BIT(0)

#define WPA_CIPHER_WEP40			BIT(1)

#define WPA_CIPHER_WEP104			BIT(2)

#define WPA_CIPHER_TKIP				BIT(3)

#define WPA_CIPHER_CCMP				BIT(4)


#define WPA_SELECTOR_LEN			4

#define RSN_HEADER_LEN				4


#define RSN_SELECTOR_LEN 4


enum NETWORK_TYPE {
	
WIRELESS_INVALID	= 0,
	
WIRELESS_11B		= 1,
	
WIRELESS_11G		= 2,
	
WIRELESS_11BG		= (WIRELESS_11B | WIRELESS_11G),
	
WIRELESS_11A		= 4,
	
WIRELESS_11N		= 8,
	
WIRELESS_11GN		= (WIRELESS_11G | WIRELESS_11N),
	
WIRELESS_11BGN		= (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N),
};


struct ieee_param {
	
u32 cmd;
	
u8 sta_addr[ETH_ALEN];
	union {
		struct {
			
u8 name;
			
u32 value;
		} 
wpa_param;
		struct {
			
u32 len;
			
u8 reserved[32];
			
u8 data[0];
		} 
wpa_ie;
		struct {
			
int command;
			
int reason_code;
		} 
mlme;
		struct {
			
u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
			
u8 set_tx;
			
u32 err;
			
u8 idx;
			
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
			
u16 key_len;
			
u8 key[0];
		} 
crypt;
	} 
u;
};


#define IEEE80211_DATA_LEN		2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 * 6.2.1.1.2.
 *
 * The figure in section 7.1.2 suggests a body size of up to 2312
 * bytes is allowed, which is a bit confusing, I suspect this
 * represents the 2304 bytes of real data, plus a possible 8 bytes of
 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 */


#define IEEE80211_HLEN			30

#define IEEE80211_FRAME_LEN		(IEEE80211_DATA_LEN + IEEE80211_HLEN)

/* this is stolen from ipw2200 driver */

#define IEEE_IBSS_MAC_HASH_SIZE 31


struct ieee_ibss_seq {
	
u8 mac[ETH_ALEN];
	
u16 seq_num;
	
u16 frag_num;
	
unsigned long packet_time;
	
struct list_head list;
};


struct ieee80211_hdr {
	
__le16 frame_ctl;
	
__le16 duration_id;
	
u8 addr1[ETH_ALEN];
	
u8 addr2[ETH_ALEN];
	
u8 addr3[ETH_ALEN];
	
__le16 seq_ctl;
	
u8 addr4[ETH_ALEN];
}  __packed __aligned(2);


struct ieee80211_hdr_3addr {
	
__le16 frame_ctl;
	
__le16 duration_id;
	
u8 addr1[ETH_ALEN];
	
u8 addr2[ETH_ALEN];
	
u8 addr3[ETH_ALEN];
	
__le16 seq_ctl;
}  __packed __aligned(2);


struct	ieee80211_hdr_qos {
	
__le16 frame_ctl;
	
__le16 duration_id;
	
u8 addr1[ETH_ALEN];
	
u8 addr2[ETH_ALEN];
	
u8 addr3[ETH_ALEN];
	
__le16 seq_ctl;
	
u8 addr4[ETH_ALEN];
	
__le16	qc;
}   __packed __aligned(2);


struct  ieee80211_hdr_3addr_qos {
	
__le16 frame_ctl;
	
__le16 duration_id;
	
u8  addr1[ETH_ALEN];
	
u8  addr2[ETH_ALEN];
	
u8  addr3[ETH_ALEN];
	
__le16 seq_ctl;
	
__le16 qc;
}  
__packed;


struct eapol {
	
u8 snap[6];
	
__be16 ethertype;
	
u8 version;
	
u8 type;
	
__le16 length;
} 
__packed;


enum eap_type {
	
EAP_PACKET = 0,
	
EAPOL_START,
	
EAPOL_LOGOFF,
	
EAPOL_KEY,
	
EAPOL_ENCAP_ASF_ALERT
};


#define IEEE80211_3ADDR_LEN 24

#define IEEE80211_4ADDR_LEN 30

#define IEEE80211_FCS_LEN    4


#define MIN_FRAG_THRESHOLD     256U

#define	MAX_FRAG_THRESHOLD     2346U

/* Frame control field constants */

#define IEEE80211_FCTL_VERS		0x0002

#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_WEP		0x4000

#define IEEE80211_FCTL_ORDER		0x8000


#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

/* control */

#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_QOS_DATAGRP		0x0080


#define IEEE80211_SCTL_FRAG		0x000F

#define IEEE80211_SCTL_SEQ		0xFFF0

/* QoS,QOS */

#define NORMAL_ACK			0

#define NO_ACK				1

#define NON_EXPLICIT_ACK	2

#define BLOCK_ACK			3

#ifndef ETH_P_PAE

#define ETH_P_PAE 0x888E 
/* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */


#define ETH_P_PREAUTH 0x88C7 
/* IEEE 802.11i pre-authentication */


#define ETH_P_ECONET	0x0018

#ifndef ETH_P_80211_RAW

#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
#endif

/* IEEE 802.11 defines */


#define P80211_OUI_LEN 3


struct ieee80211_snap_hdr {
	
u8    dsap;   /* always 0xAA */
	
u8    ssap;   /* always 0xAA */
	
u8    ctrl;   /* always 0x03 */
	
u8    oui[P80211_OUI_LEN];    /* organizational universal id */
} 
__packed;


#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)


#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)

#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)


#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)


#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)

#define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)

/* Authentication algorithms */

#define WLAN_AUTH_OPEN 0

#define WLAN_AUTH_SHARED_KEY 1


#define WLAN_AUTH_CHALLENGE_LEN 128


#define WLAN_CAPABILITY_BSS BIT(0)

#define WLAN_CAPABILITY_IBSS BIT(1)

#define WLAN_CAPABILITY_CF_POLLABLE BIT(2)

#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)

#define WLAN_CAPABILITY_PRIVACY BIT(4)

#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)

#define WLAN_CAPABILITY_PBCC BIT(6)

#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)

#define WLAN_CAPABILITY_SHORT_SLOT BIT(10)

/* Information Element IDs */

#define WLAN_EID_SSID 0

#define WLAN_EID_SUPP_RATES 1

#define WLAN_EID_FH_PARAMS 2

#define WLAN_EID_DS_PARAMS 3

#define WLAN_EID_CF_PARAMS 4

#define WLAN_EID_TIM 5

#define WLAN_EID_IBSS_PARAMS 6

#define WLAN_EID_CHALLENGE 16

#define WLAN_EID_RSN 48

#define WLAN_EID_GENERIC 221


#define IEEE80211_MGMT_HDR_LEN 24

#define IEEE80211_DATA_HDR3_LEN 24

#define IEEE80211_DATA_HDR4_LEN 30


#define IEEE80211_STATMASK_SIGNAL BIT(0)

#define IEEE80211_STATMASK_RSSI BIT(1)

#define IEEE80211_STATMASK_NOISE BIT(2)

#define IEEE80211_STATMASK_RATE BIT(3)

#define IEEE80211_STATMASK_WEMASK 0x7


#define IEEE80211_CCK_MODULATION    BIT(0)

#define IEEE80211_OFDM_MODULATION   BIT(1)


#define IEEE80211_24GHZ_BAND     BIT(0)

#define IEEE80211_52GHZ_BAND     BIT(1)


#define IEEE80211_CCK_RATE_LEN			4

#define IEEE80211_NUM_OFDM_RATESLEN	8


#define IEEE80211_CCK_RATE_1MB		        0x02

#define IEEE80211_CCK_RATE_2MB		        0x04

#define IEEE80211_CCK_RATE_5MB		        0x0B

#define IEEE80211_CCK_RATE_11MB		        0x16

#define IEEE80211_OFDM_RATE_LEN			8

#define IEEE80211_OFDM_RATE_6MB		        0x0C

#define IEEE80211_OFDM_RATE_9MB		        0x12

#define IEEE80211_OFDM_RATE_12MB		0x18

#define IEEE80211_OFDM_RATE_18MB		0x24

#define IEEE80211_OFDM_RATE_24MB		0x30

#define IEEE80211_OFDM_RATE_36MB		0x48

#define IEEE80211_OFDM_RATE_48MB		0x60

#define IEEE80211_OFDM_RATE_54MB		0x6C

#define IEEE80211_BASIC_RATE_MASK		0x80


#define IEEE80211_CCK_RATE_1MB_MASK		BIT(0)

#define IEEE80211_CCK_RATE_2MB_MASK		BIT(1)

#define IEEE80211_CCK_RATE_5MB_MASK		BIT(2)

#define IEEE80211_CCK_RATE_11MB_MASK		BIT(3)

#define IEEE80211_OFDM_RATE_6MB_MASK		BIT(4)

#define IEEE80211_OFDM_RATE_9MB_MASK		BIT(5)

#define IEEE80211_OFDM_RATE_12MB_MASK		BIT(6)

#define IEEE80211_OFDM_RATE_18MB_MASK		BIT(7)

#define IEEE80211_OFDM_RATE_24MB_MASK		BIT(8)

#define IEEE80211_OFDM_RATE_36MB_MASK		BIT(9)

#define IEEE80211_OFDM_RATE_48MB_MASK		BIT(10)

#define IEEE80211_OFDM_RATE_54MB_MASK		BIT(11)


#define IEEE80211_CCK_RATES_MASK	        0x0000000F

#define IEEE80211_CCK_BASIC_RATES_MASK		(IEEE80211_CCK_RATE_1MB_MASK | \
        IEEE80211_CCK_RATE_2MB_MASK)

#define IEEE80211_CCK_DEFAULT_RATES_MASK   (IEEE80211_CCK_BASIC_RATES_MASK | \
                                           IEEE80211_CCK_RATE_5MB_MASK | \
                                           IEEE80211_CCK_RATE_11MB_MASK)


#define IEEE80211_OFDM_RATES_MASK		0x00000FF0

#define IEEE80211_OFDM_BASIC_RATES_MASK	(IEEE80211_OFDM_RATE_6MB_MASK | \
        IEEE80211_OFDM_RATE_12MB_MASK | \
        IEEE80211_OFDM_RATE_24MB_MASK)

#define IEEE80211_OFDM_DEFAULT_RATES_MASK  (IEEE80211_OFDM_BASIC_RATES_MASK | \
                                           IEEE80211_OFDM_RATE_9MB_MASK  | \
                                           IEEE80211_OFDM_RATE_18MB_MASK | \
                                           IEEE80211_OFDM_RATE_36MB_MASK | \
                                           IEEE80211_OFDM_RATE_48MB_MASK | \
                                           IEEE80211_OFDM_RATE_54MB_MASK)

#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
                                     IEEE80211_CCK_DEFAULT_RATES_MASK)


#define IEEE80211_NUM_OFDM_RATES	    8

#define IEEE80211_NUM_CCK_RATES	            4

#define IEEE80211_OFDM_SHIFT_MASK_A         4

/* NOTE: This data is for statistical purposes; not all hardware provides this
 *       information for frames received.  Not setting these will not cause
 *       any adverse affects.
 */

struct ieee80211_rx_stats {
	
s8 rssi;
	
u8 signal;
	
u8 noise;
	
u8 received_channel;
	
u16 rate; /* in 100 kbps */
	
u8 mask;
	
u8 freq;
	
u16 len;
};

/* IEEE 802.11 requires that STA supports concurrent reception of at least
 * three fragmented frames. This define can be increased to support more
 * concurrent frames, but it should be noted that each entry can consume about
 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 */

#define IEEE80211_FRAG_CACHE_LEN 4


struct ieee80211_frag_entry {
	
u32 first_frag_time;
	
uint seq;
	
uint last_frag;
	
uint qos;   /*jackson*/
	
uint tid;	/*jackson*/
	
struct sk_buff *skb;
	
u8 src_addr[ETH_ALEN];
	
u8 dst_addr[ETH_ALEN];
};


struct ieee80211_stats {
	
uint tx_unicast_frames;
	
uint tx_multicast_frames;
	
uint tx_fragments;
	
uint tx_unicast_octets;
	
uint tx_multicast_octets;
	
uint tx_deferred_transmissions;
	
uint tx_single_retry_frames;
	
uint tx_multiple_retry_frames;
	
uint tx_retry_limit_exceeded;
	
uint tx_discards;
	
uint rx_unicast_frames;
	
uint rx_multicast_frames;
	
uint rx_fragments;
	
uint rx_unicast_octets;
	
uint rx_multicast_octets;
	
uint rx_fcs_errors;
	
uint rx_discards_no_buffer;
	
uint tx_discards_wrong_sa;
	
uint rx_discards_undecryptable;
	
uint rx_message_in_msg_fragments;
	
uint rx_message_in_bad_msg_fragments;
};


struct ieee80211_softmac_stats {
	
uint rx_ass_ok;
	
uint rx_ass_err;
	
uint rx_probe_rq;
	
uint tx_probe_rs;
	
uint tx_beacons;
	
uint rx_auth_rq;
	
uint rx_auth_rs_ok;
	
uint rx_auth_rs_err;
	
uint tx_auth_rq;
	
uint no_auth_rs;
	
uint no_ass_rs;
	
uint tx_ass_rq;
	
uint rx_ass_rq;
	
uint tx_probe_rq;
	
uint reassoc;
	
uint swtxstop;
	
uint swtxawake;
};


#define SEC_KEY_1         BIT(0)

#define SEC_KEY_2         BIT(1)

#define SEC_KEY_3         BIT(2)

#define SEC_KEY_4         BIT(3)

#define SEC_ACTIVE_KEY    BIT(4)

#define SEC_AUTH_MODE     BIT(5)

#define SEC_UNICAST_GROUP BIT(6)

#define SEC_LEVEL         BIT(7)

#define SEC_ENABLED       BIT(8)


#define SEC_LEVEL_0      0 
/* None */

#define SEC_LEVEL_1      1 
/* WEP 40 and 104 bit */

#define SEC_LEVEL_2      2 
/* Level 1 + TKIP */

#define SEC_LEVEL_2_CKIP 3 
/* Level 1 + CKIP */

#define SEC_LEVEL_3      4 
/* Level 2 + CCMP */


#define WEP_KEYS 4

#define WEP_KEY_LEN 13


struct ieee80211_security {
	
u16 active_key:2,
	    
enabled:1,
	    
auth_mode:2,
	    
auth_algo:4,
	    
unicast_uses_group:1;
	
u8 key_sizes[WEP_KEYS];
	
u8 keys[WEP_KEYS][WEP_KEY_LEN];
	
u8 level;
	
u16 flags;
} 
__packed;

/*
 *
 * 802.11 data frame from AP
 *
 *       ,-------------------------------------------------------------------.
 * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 *       |------|------|---------|---------|---------|------|---------|------|
 * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 *       |      | tion | (BSSID) |         |         | ence |  data   |      |
 *       `-------------------------------------------------------------------'
 *
 * Total: 28-2340 bytes
 *
 */


struct ieee80211_header_data {
	
__le16 frame_ctl;
	
__le16 duration_id;
	
u8 addr1[6];
	
u8 addr2[6];
	
u8 addr3[6];
	
__le16 seq_ctrl;
} __packed __aligned(2);


#define BEACON_PROBE_SSID_ID_POSITION 12

/* Management Frame Information Element Types */

#define MFIE_TYPE_SSID       0

#define MFIE_TYPE_RATES      1

#define MFIE_TYPE_FH_SET     2

#define MFIE_TYPE_DS_SET     3

#define MFIE_TYPE_CF_SET     4

#define MFIE_TYPE_TIM        5

#define MFIE_TYPE_IBSS_SET   6

#define MFIE_TYPE_CHALLENGE  16

#define MFIE_TYPE_ERP        42

#define MFIE_TYPE_RSN	     48

#define MFIE_TYPE_RATES_EX   50

#define MFIE_TYPE_GENERIC    221


struct ieee80211_info_element_hdr {
	
u8 id;
	
u8 len;
} 
__packed;


struct ieee80211_info_element {
	
u8 id;
	
u8 len;
	
u8 data[0];
} 
__packed;

/*
 * These are the data types that can make up management packets
 *
        __le16 auth_algorithm;
        __le16 auth_sequence;
        __le16 beacon_interval;
        __le16 capability;
        u8 current_ap[ETH_ALEN];
        __le16 listen_interval;
        struct {
                u16 association_id:14, reserved:2;
        } __packed;
        __le32 time_stamp[2];
        __le16 reason;
        __le16 status;
*/


#define IEEE80211_DEFAULT_TX_ESSID "Penguin"

#define IEEE80211_DEFAULT_BASIC_RATE 10


struct ieee80211_authentication {
	
struct ieee80211_header_data header;
	
__le16 algorithm;
	
__le16 transaction;
	
__le16 status;
} 
__packed;


struct ieee80211_probe_response {
	
struct ieee80211_header_data header;
	
__le32 time_stamp[2];
	
__le16 beacon_interval;
	
__le16 capability;
	
struct ieee80211_info_element info_element;
} 
__packed;


struct ieee80211_probe_request {
	
struct ieee80211_header_data header;
} 
__packed;


struct ieee80211_assoc_request_frame {
	
struct ieee80211_hdr_3addr header;
	
__le16 capability;
	
__le16 listen_interval;
	
struct ieee80211_info_element_hdr info_element;
} 
__packed;


struct ieee80211_assoc_response_frame {
	
struct ieee80211_hdr_3addr header;
	
__le16 capability;
	
__le16 status;
	
__le16 aid;
} 
__packed;


struct ieee80211_txb {
	
u8 nr_frags;
	
u8 encrypted;
	
u16 reserved;
	
u16 frag_size;
	
u16 payload_size;
	
struct sk_buff *fragments[0];
};

/* SWEEP TABLE ENTRIES NUMBER*/

#define MAX_SWEEP_TAB_ENTRIES		  42

#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 * only use 8, and then use extended rates for the remaining supported
 * rates.  Other APs, however, stick all of their supported rates on the
 * main rates information element...
 */

#define MAX_RATES_LENGTH                  ((u8)12)

#define MAX_RATES_EX_LENGTH               ((u8)16)

#define MAX_NETWORK_COUNT                  128

#define MAX_CHANNEL_NUMBER                 161

#define IEEE80211_SOFTMAC_SCAN_TIME	  400
/*(HZ / 2)*/

#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)


#define CRC_LENGTH                 4U


#define MAX_WPA_IE_LEN 128


#define NETWORK_EMPTY_ESSID BIT(0)

#define NETWORK_HAS_OFDM    BIT(1)

#define NETWORK_HAS_CCK     BIT(2)


#define IEEE80211_DTIM_MBCAST 4

#define IEEE80211_DTIM_UCAST 2

#define IEEE80211_DTIM_VALID 1

#define IEEE80211_DTIM_INVALID 0


#define IEEE80211_PS_DISABLED 0

#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST

#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST

#define IW_ESSID_MAX_SIZE 32
/*
 * join_res:
 * -1: authentication fail
 * -2: association fail
 * > 0: TID
 */


enum ieee80211_state {
	/* the card is not linked at all */
	
IEEE80211_NOLINK = 0,
	/* IEEE80211_ASSOCIATING* are for BSS client mode
         * the driver shall not perform RX filtering unless
         * the state is LINKED.
         * The driver shall just check for the state LINKED and
         * defaults to NOLINK for ALL the other states (including
         * LINKED_SCANNING)
         */
	/* the association procedure will start (wq scheduling)*/
	
IEEE80211_ASSOCIATING,
	
IEEE80211_ASSOCIATING_RETRY,
	/* the association procedure is sending AUTH request*/
	
IEEE80211_ASSOCIATING_AUTHENTICATING,
	/* the association procedure has successfully authenticated
         * and is sending association request
         */
	
IEEE80211_ASSOCIATING_AUTHENTICATED,
	/* the link is ok. the card associated to a BSS or linked
         * to a ibss cell or acting as an AP and creating the bss
         */
	
IEEE80211_LINKED,
	/* same as LINKED, but the driver shall apply RX filter
         * rules as we are in NO_LINK mode. As the card is still
         * logically linked, but it is doing a syncro site survey
         * then it will be back to LINKED state.
         */
	
IEEE80211_LINKED_SCANNING,
};


#define DEFAULT_MAX_SCAN_AGE (15 * HZ)

#define DEFAULT_FTS 2346


#define CFG_IEEE80211_RESERVE_FCS BIT(0)

#define CFG_IEEE80211_COMPUTE_FCS BIT(1)


#define MAXTID	16


#define IEEE_A            BIT(0)

#define IEEE_B            BIT(1)

#define IEEE_G            BIT(2)

#define IEEE_MODE_MASK    (IEEE_A | IEEE_B | IEEE_G)


static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) { /* Single white space is for Linksys APs */ if (essid_len == 1 && essid[0] == ' ') return 1; /* Otherwise, if the entire essid is 0, we assume it is hidden */ while (essid_len) { essid_len--; if (essid[essid_len] != '\0') return 0; } return 1; }

Contributors

PersonTokensPropCommitsCommitProp
Larry Finger5698.25%150.00%
Arnd Bergmann11.75%150.00%
Total57100.00%2100.00%


static inline int ieee80211_get_hdrlen(u16 fc) { int hdrlen = 24; switch (WLAN_FC_GET_TYPE(fc)) { case IEEE80211_FTYPE_DATA: if (fc & IEEE80211_QOS_DATAGRP) hdrlen += 2; if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) hdrlen += 6; /* Addr4 */ break; case IEEE80211_FTYPE_CTL: switch (WLAN_FC_GET_STYPE(fc)) { case IEEE80211_STYPE_CTS: case IEEE80211_STYPE_ACK: hdrlen = 10; break; default: hdrlen = 16; break; } break; } return hdrlen; }

Contributors

PersonTokensPropCommitsCommitProp
Larry Finger8998.89%150.00%
Arnd Bergmann11.11%150.00%
Total90100.00%2100.00%

struct registry_priv; u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen); u8 *r8712_get_ie(u8 *pbuf, sint index, sint *len, sint limit); unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit); unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit); int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher); int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher); int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len); int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); int r8712_generate_ie(struct registry_priv *pregistrypriv); uint r8712_is_cckrates_included(u8 *rate); uint r8712_is_cckratesonly_included(u8 *rate); #endif /* IEEE80211_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Larry Finger212896.64%220.00%
Michael Hornung482.18%330.00%
Michael Fiedler170.77%110.00%
Punit Vara50.23%110.00%
Arnd Bergmann20.09%110.00%
Ali Bahar10.05%110.00%
Justin P. Mattock10.05%110.00%
Total2202100.00%10100.00%
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