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_TIMEOUT           0xFF
  27
  28 /**
  29  * Authentication status
  30  */
  31 enum bfa_auth_status {
  32         BFA_AUTH_STATUS_NONE    = 0,    /*  no authentication */
  33         BFA_AUTH_UNINIT         = 1,    /*  state - uninit */
  34         BFA_AUTH_NEG_SEND       = 2,    /*  state - negotiate send */
  35         BFA_AUTH_CHAL_WAIT      = 3,    /*  state - challenge wait */
  36         BFA_AUTH_NEG_RETRY      = 4,    /*  state - negotiate retry */
  37         BFA_AUTH_REPLY_SEND     = 5,    /*  state - reply send */
  38         BFA_AUTH_STATUS_WAIT    = 6,    /*  state - status wait */
  39         BFA_AUTH_SUCCESS        = 7,    /*  state - success */
  40         BFA_AUTH_FAILED         = 8,    /*  state - failed */
  41         BFA_AUTH_STATUS_UNKNOWN = 9,    /*  authentication status unknown */
  42 };
  43
  44 struct auth_proto_stats_s {
  45         u32        auth_rjts;
  46         u32        auth_negs;
  47         u32        auth_dones;
  48
  49         u32        dhchap_challenges;
  50         u32        dhchap_replies;
  51         u32        dhchap_successes;
  52 };
  53
  54 /**
  55  * Authentication related statistics
  56  */
  57 struct bfa_auth_stats_s {
  58         u32           auth_failures;    /*  authentication failures */
  59         u32           auth_successes;   /*  authentication successes*/
  60         struct auth_proto_stats_s auth_rx_stats; /*  Rx protocol stats */
  61         struct auth_proto_stats_s auth_tx_stats; /*  Tx protocol stats */
  62 };
  63
  64 /**
  65  * Authentication hash function algorithms
  66  */
  67 enum bfa_auth_algo {
  68         BFA_AUTH_ALGO_MD5       = 1,    /*  Message-Digest algorithm 5 */
  69         BFA_AUTH_ALGO_SHA1      = 2,    /*  Secure Hash Algorithm 1 */
  70         BFA_AUTH_ALGO_MS        = 3,    /*  MD5, then SHA-1 */
  71         BFA_AUTH_ALGO_SM        = 4,    /*  SHA-1, then MD5 */
  72 };
  73
  74 /**
  75  * DH Groups
  76  *
  77  * Current value could be combination of one or more of the following values
  78  */
  79 enum bfa_auth_group {
  80         BFA_AUTH_GROUP_DHNULL   = 0,    /*  DH NULL (value == 0) */
  81         BFA_AUTH_GROUP_DH768    = 1,    /*  DH group 768 (value == 1) */
  82         BFA_AUTH_GROUP_DH1024   = 2,    /*  DH group 1024 (value == 2) */
  83         BFA_AUTH_GROUP_DH1280   = 4,    /*  DH group 1280 (value == 3) */
  84         BFA_AUTH_GROUP_DH1536   = 8,    /*  DH group 1536 (value == 4) */
  85
  86         BFA_AUTH_GROUP_ALL      = 256   /*  Use default DH group order
  87                                          *    0, 1, 2, 3, 4 */
  88 };
  89
  90 /**
  91  * Authentication secret sources
  92  */
  93 enum bfa_auth_secretsource {
  94         BFA_AUTH_SECSRC_LOCAL   = 1,    /*  locally configured */
  95         BFA_AUTH_SECSRC_RADIUS  = 2,    /*  use radius server */
  96         BFA_AUTH_SECSRC_TACACS  = 3,    /*  TACACS server */
  97 };
  98
  99 /**
 100  * Authentication attributes
 101  */
 102 struct bfa_auth_attr_s {
 103         enum bfa_auth_status    status;
 104         enum bfa_auth_algo      algo;
 105         enum bfa_auth_group     dh_grp;
 106         u16             rjt_code;
 107         u16             rjt_code_exp;
 108         u8                      secret_set;
 109         u8                      resv[7];
 110 };
 111
 112 #endif /* __BFA_DEFS_AUTH_H__ */