/*
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* Extensible Authentication Protocol (EAP) definitions
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*
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* See
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* RFC 2284: PPP Extensible Authentication Protocol (EAP)
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*
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* Copyright (C) 2020, Broadcom.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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*
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* <<Broadcom-WL-IPTag/Dual:>>
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*/
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#ifndef _eap_h_
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#define _eap_h_
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/* This marks the start of a packed structure section. */
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#include <packed_section_start.h>
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/* EAP packet format */
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typedef BWL_PRE_PACKED_STRUCT struct {
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unsigned char code; /* EAP code */
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unsigned char id; /* Current request ID */
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unsigned short length; /* Length including header */
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unsigned char type; /* EAP type (optional) */
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unsigned char data[1]; /* Type data (optional) */
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} BWL_POST_PACKED_STRUCT eap_header_t;
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#define EAP_HEADER_LEN 4u
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#define EAP_HEADER_LEN_WITH_TYPE 5u
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#define ERP_FLAGS_LEN 1u
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#define ERP_SEQ_LEN 2u
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#define ERP_KEYNAMENAI_HEADER_LEN 2u
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#define ERP_CRYPTOSUITE_LEN 1u
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/* EAP codes */
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#define EAP_REQUEST 1u
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#define EAP_RESPONSE 2u
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#define EAP_SUCCESS 3u
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#define EAP_FAILURE 4u
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#define EAP_INITIATE 5u
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#define EAP_FINISH 6u
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/* EAP types */
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#define EAP_IDENTITY 1
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#define EAP_NOTIFICATION 2
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#define EAP_NAK 3
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#define EAP_MD5 4
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#define EAP_OTP 5
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#define EAP_GTC 6
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#define EAP_TLS 13
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#define EAP_EXPANDED 254
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#define BCM_EAP_SES 10
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#define BCM_EAP_EXP_LEN 12 /* EAP_LEN 5 + 3 bytes for SMI ID + 4 bytes for ven type */
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#define BCM_SMI_ID 0x113d
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#define WFA_VENDOR_SMI 0x009F68
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/* ERP types */
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#define EAP_ERP_TYPE_REAUTH_START 1u
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#define EAP_ERP_TYPE_REAUTH 2u
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/* EAP FLAGS */
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#define ERP_R_FLAG 0x80 /* result flag, set = failure */
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#define ERP_B_FLAG 0x40 /* bootstrap flag, set = bootstrap */
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#define ERP_L_FLAG 0x20 /* rrk lifetime tlv is present */
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/* ERP TV/TLV types */
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#define EAP_ERP_TLV_KEYNAME_NAI 1u
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/* ERP Cryptosuite */
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#define EAP_ERP_CS_HMAC_SHA256_128 2u
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#ifdef BCMCCX
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#define EAP_LEAP 17
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#define LEAP_VERSION 1
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#define LEAP_CHALLENGE_LEN 8
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#define LEAP_RESPONSE_LEN 24
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/* LEAP challenge */
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typedef struct {
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unsigned char version; /* should be value of LEAP_VERSION */
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unsigned char reserved; /* not used */
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unsigned char chall_len; /* always value of LEAP_CHALLENGE_LEN */
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unsigned char challenge[LEAP_CHALLENGE_LEN]; /* random */
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unsigned char username[1];
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} leap_challenge_t;
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#define LEAP_CHALLENGE_HDR_LEN 12
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/* LEAP challenge reponse */
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typedef struct {
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unsigned char version; /* should be value of LEAP_VERSION */
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unsigned char reserved; /* not used */
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unsigned char resp_len; /* always value of LEAP_RESPONSE_LEN */
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/* MS-CHAP hash of challenge and user's password */
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unsigned char response[LEAP_RESPONSE_LEN];
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unsigned char username[1];
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} leap_response_t;
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#define LEAP_RESPONSE_HDR_LEN 28
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#endif /* BCMCCX */
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/* This marks the end of a packed structure section. */
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#include <packed_section_end.h>
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#endif /* _eap_h_ */
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