diff options
Diffstat (limited to 'package/broadcom-wl/src/driver/proto/eapol.h')
| -rw-r--r-- | package/broadcom-wl/src/driver/proto/eapol.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/package/broadcom-wl/src/driver/proto/eapol.h b/package/broadcom-wl/src/driver/proto/eapol.h new file mode 100644 index 0000000000..9a1a58da83 --- /dev/null +++ b/package/broadcom-wl/src/driver/proto/eapol.h @@ -0,0 +1,179 @@ +/* + * 802.1x EAPOL definitions + * + * See + * IEEE Std 802.1X-2001 + * IEEE 802.1X RADIUS Usage Guidelines + * + * Copyright (C) 2002 Broadcom Corporation + * + * $Id$ + */ + +#ifndef _eapol_h_ +#define _eapol_h_ + +/* enable structure packing */ +#if defined(__GNUC__) +#define PACKED __attribute__((packed)) +#else +#pragma pack(1) +#define PACKED +#endif + +#include <bcmcrypto/aeskeywrap.h> + +/* EAPOL for 802.3/Ethernet */ +typedef struct { + struct ether_header eth; /* 802.3/Ethernet header */ + unsigned char version; /* EAPOL protocol version */ + unsigned char type; /* EAPOL type */ + unsigned short length; /* Length of body */ + unsigned char body[1]; /* Body (optional) */ +} eapol_header_t; + +#define EAPOL_HEADER_LEN 18 + +/* EAPOL version */ +#define WPA2_EAPOL_VERSION 2 +#define WPA_EAPOL_VERSION 1 +#define LEAP_EAPOL_VERSION 1 +#define SES_EAPOL_VERSION 1 + +/* EAPOL types */ +#define EAP_PACKET 0 +#define EAPOL_START 1 +#define EAPOL_LOGOFF 2 +#define EAPOL_KEY 3 +#define EAPOL_ASF 4 + +/* EAPOL-Key types */ +#define EAPOL_RC4_KEY 1 +#ifdef BCMWPA2 +#define EAPOL_WPA2_KEY 2 /* 802.11i/WPA2 */ +#endif +#define EAPOL_WPA_KEY 254 /* WPA */ + +/* RC4 EAPOL-Key header field sizes */ +#define EAPOL_KEY_REPLAY_LEN 8 +#define EAPOL_KEY_IV_LEN 16 +#define EAPOL_KEY_SIG_LEN 16 + +/* RC4 EAPOL-Key */ +typedef struct { + unsigned char type; /* Key Descriptor Type */ + unsigned short length; /* Key Length (unaligned) */ + unsigned char replay[EAPOL_KEY_REPLAY_LEN]; /* Replay Counter */ + unsigned char iv[EAPOL_KEY_IV_LEN]; /* Key IV */ + unsigned char index; /* Key Flags & Index */ + unsigned char signature[EAPOL_KEY_SIG_LEN]; /* Key Signature */ + unsigned char key[1]; /* Key (optional) */ +} PACKED eapol_key_header_t; + +#define EAPOL_KEY_HEADER_LEN 44 + +/* RC4 EAPOL-Key flags */ +#define EAPOL_KEY_FLAGS_MASK 0x80 +#define EAPOL_KEY_BROADCAST 0 +#define EAPOL_KEY_UNICAST 0x80 + +/* RC4 EAPOL-Key index */ +#define EAPOL_KEY_INDEX_MASK 0x7f + +/* WPA/802.11i/WPA2 EAPOL-Key header field sizes */ +#define EAPOL_WPA_KEY_REPLAY_LEN 8 +#define EAPOL_WPA_KEY_NONCE_LEN 32 +#define EAPOL_WPA_KEY_IV_LEN 16 +#define EAPOL_WPA_KEY_RSC_LEN 8 +#define EAPOL_WPA_KEY_ID_LEN 8 +#define EAPOL_WPA_KEY_MIC_LEN 16 +#define EAPOL_WPA_KEY_DATA_LEN (EAPOL_WPA_MAX_KEY_SIZE + AKW_BLOCK_LEN) +#define EAPOL_WPA_MAX_KEY_SIZE 32 + +/* WPA EAPOL-Key */ +typedef struct { + unsigned char type; /* Key Descriptor Type */ + unsigned short key_info; /* Key Information (unaligned) */ + unsigned short key_len; /* Key Length (unaligned) */ + unsigned char replay[EAPOL_WPA_KEY_REPLAY_LEN]; /* Replay Counter */ + unsigned char nonce[EAPOL_WPA_KEY_NONCE_LEN]; /* Nonce */ + unsigned char iv[EAPOL_WPA_KEY_IV_LEN]; /* Key IV */ + unsigned char rsc[EAPOL_WPA_KEY_RSC_LEN]; /* Key RSC */ + unsigned char id[EAPOL_WPA_KEY_ID_LEN]; /* WPA:Key ID, 802.11i/WPA2: Reserved */ + unsigned char mic[EAPOL_WPA_KEY_MIC_LEN]; /* Key MIC */ + unsigned short data_len; /* Key Data Length */ + unsigned char data[EAPOL_WPA_KEY_DATA_LEN]; /* Key data */ +} PACKED eapol_wpa_key_header_t; + +#define EAPOL_WPA_KEY_LEN 95 + +/* WPA/802.11i/WPA2 KEY KEY_INFO bits */ +#define WPA_KEY_DESC_V1 0x01 +#define WPA_KEY_DESC_V2 0x02 +#define WPA_KEY_PAIRWISE 0x08 +#define WPA_KEY_INSTALL 0x40 +#define WPA_KEY_ACK 0x80 +#define WPA_KEY_MIC 0x100 +#define WPA_KEY_SECURE 0x200 +#define WPA_KEY_ERROR 0x400 +#define WPA_KEY_REQ 0x800 + +/* WPA-only KEY KEY_INFO bits */ +#define WPA_KEY_INDEX_0 0x00 +#define WPA_KEY_INDEX_1 0x10 +#define WPA_KEY_INDEX_2 0x20 +#define WPA_KEY_INDEX_3 0x30 +#define WPA_KEY_INDEX_MASK 0x30 +#define WPA_KEY_INDEX_SHIFT 0x04 + +#ifdef BCMWPA2 +/* 802.11i/WPA2-only KEY KEY_INFO bits */ +#define WPA_KEY_ENCRYPTED_DATA 0x1000 + +/* Key Data encapsulation */ +typedef struct { + uint8 type; + uint8 length; + uint8 oui[3]; + uint8 subtype; + uint8 data[1]; +} PACKED eapol_wpa2_encap_data_t; + +#define EAPOL_WPA2_ENCAP_DATA_HDR_LEN 6 + +#define WPA2_KEY_DATA_SUBTYPE_GTK 1 +#define WPA2_KEY_DATA_SUBTYPE_STAKEY 2 +#define WPA2_KEY_DATA_SUBTYPE_MAC 3 +#define WPA2_KEY_DATA_SUBTYPE_PMKID 4 + +/* GTK encapsulation */ +typedef struct { + uint8 flags; + uint8 reserved; + uint8 gtk[EAPOL_WPA_MAX_KEY_SIZE]; +} PACKED eapol_wpa2_key_gtk_encap_t; + +#define EAPOL_WPA2_KEY_GTK_ENCAP_HDR_LEN 2 + +#define WPA2_GTK_INDEX_MASK 0x03 +#define WPA2_GTK_INDEX_SHIFT 0x00 + +#define WPA2_GTK_TRANSMIT 0x04 + +/* STAKey encapsulation */ +typedef struct { + uint8 reserved[2]; + uint8 mac[ETHER_ADDR_LEN]; + uint8 stakey[EAPOL_WPA_MAX_KEY_SIZE]; +} PACKED eapol_wpa2_key_stakey_encap_t; + +#define WPA2_KEY_DATA_PAD 0xdd + +#endif /* BCMWPA2 */ + +#undef PACKED +#if !defined(__GNUC__) +#pragma pack() +#endif + +#endif /* _eapol_h_ */ |