drivers/scsi/bfa/include/defs/bfa_defs_auth.h

   1 /*
   2  * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17 #ifndef __BFA_DEFS_AUTH_H__
  18 #define __BFA_DEFS_AUTH_H__
  19
  20 #include <defs/bfa_defs_types.h>
  21
  22 #define PUBLIC_KEY                      15409
  23 #define PRIVATE_KEY                     19009
  24 #define KEY_LEN                         32399
  25 #define BFA_AUTH_SECRET_STRING_LEN      256
  26 #define BFA_AUTH_FAIL_NO_PASSWORD       0xFE
  27 #define BFA_AUTH_FAIL_TIMEOUT           0xFF
  28
  29 /**
  30  * Authentication status
  31  */
  32 enum bfa_auth_status {
  33         BFA_AUTH_STATUS_NONE    = 0,    /*  no authentication */
  34         BFA_AUTH_UNINIT         = 1,    /*  state - uninit */
  35         BFA_AUTH_NEG_SEND       = 2,    /*  state - negotiate send */
  36         BFA_AUTH_CHAL_WAIT      = 3,    /*  state - challenge wait */
  37         BFA_AUTH_NEG_RETRY      = 4,    /*  state - negotiate retry */
  38         BFA_AUTH_REPLY_SEND     = 5,    /*  state - reply send */
  39         BFA_AUTH_STATUS_WAIT    = 6,    /*  state - status wait */
  40         BFA_AUTH_SUCCESS        = 7,    /*  state - success */
  41         BFA_AUTH_FAILED         = 8,    /*  state - failed */
  42         BFA_AUTH_STATUS_UNKNOWN = 9,    /*  authentication status unknown */
  43 };
  44
  45 enum bfa_auth_rej_code {
  46         BFA_AUTH_RJT_CODE_AUTH_FAILURE   = 1, /* auth failure */
  47         BFA_AUTH_RJT_CODE_LOGICAL_ERR    = 2, /* logical error */
  48 };
  49
  50 /**
  51  * Authentication reject codes
  52  */
  53 enum bfa_auth_rej_code_exp {
  54         BFA_AUTH_MECH_NOT_USABLE        = 1, /* auth. mechanism not usable */
  55         BFA_AUTH_DH_GROUP_NOT_USABLE    = 2, /* DH Group not usable */
  56         BFA_AUTH_HASH_FUNC_NOT_USABLE   = 3, /* hash Function not usable */
  57         BFA_AUTH_AUTH_XACT_STARTED      = 4, /* auth xact started */
  58         BFA_AUTH_AUTH_FAILED            = 5, /* auth failed */
  59         BFA_AUTH_INCORRECT_PLD          = 6, /* incorrect payload */
  60         BFA_AUTH_INCORRECT_PROTO_MSG    = 7, /* incorrect proto msg */
  61         BFA_AUTH_RESTART_AUTH_PROTO     = 8, /* restart auth protocol */
  62         BFA_AUTH_AUTH_CONCAT_NOT_SUPP   = 9, /* auth concat not supported */
  63         BFA_AUTH_PROTO_VER_NOT_SUPP     = 10,/* proto version not supported */
  64 };
  65
  66 struct auth_proto_stats_s {
  67         u32        auth_rjts;
  68         u32        auth_negs;
  69         u32        auth_dones;
  70
  71         u32        dhchap_challenges;
  72         u32        dhchap_replies;
  73         u32        dhchap_successes;
  74 };
  75
  76 /**
  77  * Authentication related statistics
  78  */
  79 struct bfa_auth_stats_s {
  80         u32           auth_failures;    /*  authentication failures */
  81         u32           auth_successes;   /*  authentication successes*/
  82         struct auth_proto_stats_s auth_rx_stats; /*  Rx protocol stats */
  83         struct auth_proto_stats_s auth_tx_stats; /*  Tx protocol stats */
  84 };
  85
  86 /**
  87  * Authentication hash function algorithms
  88  */
  89 enum bfa_auth_algo {
  90         BFA_AUTH_ALGO_MD5       = 1,    /*  Message-Digest algorithm 5 */
  91         BFA_AUTH_ALGO_SHA1      = 2,    /*  Secure Hash Algorithm 1 */
  92         BFA_AUTH_ALGO_MS        = 3,    /*  MD5, then SHA-1 */
  93         BFA_AUTH_ALGO_SM        = 4,    /*  SHA-1, then MD5 */
  94 };
  95
  96 /**
  97  * DH Groups
  98  *
  99  * Current value could be combination of one or more of the following values
 100  */
 101 enum bfa_auth_group {
 102         BFA_AUTH_GROUP_DHNULL   = 0,    /*  DH NULL (value == 0) */
 103         BFA_AUTH_GROUP_DH768    = 1,    /*  DH group 768 (value == 1) */
 104         BFA_AUTH_GROUP_DH1024   = 2,    /*  DH group 1024 (value == 2) */
 105         BFA_AUTH_GROUP_DH1280   = 4,    /*  DH group 1280 (value == 3) */
 106         BFA_AUTH_GROUP_DH1536   = 8,    /*  DH group 1536 (value == 4) */
 107
 108         BFA_AUTH_GROUP_ALL      = 256   /*  Use default DH group order
 109                                          *    0, 1, 2, 3, 4 */
 110 };
 111
 112 /**
 113  * Authentication secret sources
 114  */
 115 enum bfa_auth_secretsource {
 116         BFA_AUTH_SECSRC_LOCAL   = 1,    /*  locally configured */
 117         BFA_AUTH_SECSRC_RADIUS  = 2,    /*  use radius server */
 118         BFA_AUTH_SECSRC_TACACS  = 3,    /*  TACACS server */
 119 };
 120
 121 /**
 122  * Authentication attributes
 123  */
 124 struct bfa_auth_attr_s {
 125         enum bfa_auth_status    status;
 126         enum bfa_auth_algo      algo;
 127         enum bfa_auth_group     dh_grp;
 128         u16             rjt_code;
 129         u16             rjt_code_exp;
 130         u8                      secret_set;
 131         u8                      resv[7];
 132 };
 133
 134 #endif /* __BFA_DEFS_AUTH_H__ */