epan/dissectors/packet-fclctl.c

   1 /* packet-fclctl.c
   2  * Routines for FC Link Control Frames
   3  * Copyright 2001, Dinesh G Dutt <ddutt@cisco.com>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include "config.h"
  27
  28 #include <glib.h>
  29
  30 #include <epan/packet.h>
  31 #include <epan/wmem/wmem.h>
  32 #include <epan/etypes.h>
  33 #include <epan/conversation.h>
  34 #include "packet-scsi.h"
  35 #include "packet-fc.h"
  36 #include "packet-fclctl.h"
  37
  38 const value_string fc_lctl_proto_val[] = {
  39     {FC_LCTL_ACK1  , "ACK1"},
  40     {FC_LCTL_ACK0  , "ACK0"},
  41     {FC_LCTL_PRJT  , "P_RJT"},
  42     {FC_LCTL_FRJT  , "F_RJT"},
  43     {FC_LCTL_PBSY  , "P_BSY"},
  44     {FC_LCTL_FBSYL , "F_BSY (Data frame)"},
  45     {FC_LCTL_FBSYB , "F_BSY (Link Ctl)"},
  46     {FC_LCTL_LCR   , "LCR"},
  47     {FC_LCTL_NTY   , "NTY"},
  48     {FC_LCTL_END   , "END"},
  49     {0, NULL},
  50 };
  51
  52 static const value_string fc_lctl_fbsy_val[] = {
  53     {FC_LCTL_FBSY_FBSY, "Fabric Busy"},
  54     {FC_LCTL_FBSY_NBSY, "N_Port Busy"},
  55     {0, NULL}
  56 };
  57
  58 static const value_string fc_lctl_pbsy_acode_val[] = {
  59     {FC_LCTL_PBSY_ACODE_SEQBSY, "Sequence Marked Busy"},
  60     {FC_LCTL_PBSY_ACODE_C2BSY, "Class 2 Frame Busy"},
  61     {0, NULL},
  62 };
  63
  64 static const value_string fc_lctl_pbsy_rjt_val[] = {
  65     {FC_LCTL_PBSY_PORTBSY , "Physical N_Port Busy"},
  66     {FC_LCTL_PBSY_RSRCBSY , "N_Port Resource Busy"},
  67     {FC_LCTL_PBSY_MCASTBSY, "Partial Multicast Busy"},
  68     {FC_LCTL_PBSY_VENDBSY , "Vendor unique Busy"},
  69     {0, NULL},
  70 };
  71
  72 static const value_string fc_lctl_rjt_acode_val[] = {
  73     {FC_LCTL_RJT_ACODE_RETRY, "Retryable Error"},
  74     {FC_LCTL_RJT_ACODE_NORETRY, "Non-retryable Error"},
  75     {0, NULL},
  76 };
  77
  78 static const value_string fc_lctl_rjt_val[] = {
  79     {FC_LCTL_RJT_INVSID             , "Invalid S_ID"},
  80     {FC_LCTL_RJT_INVDID             , "Invalid D_ID"},
  81     {FC_LCTL_RJT_NPORT_NOTAVAIL_T   , "N_Port Not Avail (Temporary)"},
  82     {FC_LCTL_RJT_NPORT_NOTAVAIL_P   , "N_Port Not Avail (Permanent)"},
  83     {FC_LCTL_RJT_CLASS_NOTSUPP      , "Class Not Supported"},
  84     {FC_LCTL_RJT_DELIM_USERR        , "Delimiter Usage Error"},
  85     {FC_LCTL_RJT_TYPE_NOTSUPP       , "Type Not Supported"},
  86     {FC_LCTL_RJT_INV_LCTL           , "Invalid Link Ctl Frame"},
  87     {FC_LCTL_RJT_INV_RCTL           , "Invalid R_CTL"},
  88     {FC_LCTL_RJT_INV_FCTL           , "Invalid F_CTL"},
  89     {FC_LCTL_RJT_INV_OXID           , "Invalid OX_ID"},
  90     {FC_LCTL_RJT_INV_RXID           , "Invalid RX_ID"},
  91     {FC_LCTL_RJT_INV_SEQID          , "Invalid SEQID"},
  92     {FC_LCTL_RJT_INV_DFCTL          , "Invalid DF_CTL"},
  93     {FC_LCTL_RJT_INV_SEQCNT         , "Invalid SEQCNT"},
  94     {FC_LCTL_RJT_INV_PARAM          , "Invalid Parameter"},
  95     {FC_LCTL_RJT_EXCHG_ERR          , "Exchange Error"},
  96     {FC_LCTL_RJT_PROTO_ERR          , "Protocol Error"},
  97     {FC_LCTL_RJT_INV_LEN            , "Incorrect Length"},
  98     {FC_LCTL_RJT_UNEXP_ACK          , "Unexpected ACK"},
  99     {FC_LCTL_RJT_CLS_NOTSUPP        , "Class Not Supported by Entity at 0xFFFFFE"},
 100     {FC_LCTL_RJT_LOGI_REQD          , "Login Required"},
 101     {FC_LCTL_RJT_TOOMANY_SEQ        , "Excessive Sequences Attempted"},
 102     {FC_LCTL_RJT_EXCHG_NOTESTD      , "Exchange Not Established"},
 103     {FC_LCTL_RJT_RSVD               , "Reserved"},
 104     {FC_LCTL_RJT_FPATH_NOTAVAIL     , "Fabric Path Not Available"},
 105     {FC_LCTL_RJT_INV_VCID           , "Invalid VC_ID"},
 106     {FC_LCTL_RJT_INV_CSCTL          , "Invalid CS_CTL"},
 107     {FC_LCTL_RJT_OORSRC             , "Insufficient Resources of VC (Class 4)"},
 108     {FC_LCTL_RJT_INV_CLASS          , "Invalid Class of Service"},
 109     {FC_LCTL_RJT_PRMPT_RJT          , "Preemption Request Rejected"},
 110     {FC_LCTL_RJT_PRMPT_DIS          , "Preemption Not Enabled"},
 111     {FC_LCTL_RJT_MCAST_ERR          , "Multicast Error"},
 112     {FC_LCTL_RJT_MCAST_TERM         , "Multicast Error Terminate"},
 113     {FC_LCTL_RJT_PRLI_REQD          , "PRLI Required"},
 114     {FC_LCTL_RJT_VEND_ERR           , "Vendor Unique Error"},
 115     {0, NULL},
 116 };
 117
 118 const gchar *
 119 fclctl_get_typestr (guint8 linkctl_type, guint8 type)
 120 {
 121     if ((linkctl_type == FC_LCTL_FBSYB) ||
 122         (linkctl_type == FC_LCTL_FBSYL)) {
 123         return (val_to_str ((type & 0xF0), fc_lctl_fbsy_val, "0x%x"));
 124     }
 125     return "";
 126 }
 127
 128 const gchar *
 129 fclctl_get_paramstr (guint32 linkctl_type, guint32 param)
 130 {
 131     if (linkctl_type == FC_LCTL_PBSY) {
 132       return wmem_strdup_printf(wmem_packet_scope(), "%s, %s",
 133                  val_to_str (((param & 0xFF000000) >> 24), fc_lctl_pbsy_acode_val, "0x%x"),
 134                  val_to_str (((param & 0x00FF0000) >> 16), fc_lctl_pbsy_rjt_val, "0x%x"));
 135     }
 136     if ((linkctl_type == FC_LCTL_FRJT) ||
 137              (linkctl_type == FC_LCTL_PRJT)) {
 138       return wmem_strdup_printf(wmem_packet_scope(), "%s, %s",
 139                  val_to_str (((param & 0xFF000000) >> 24), fc_lctl_rjt_acode_val, "0x%x"),
 140                  val_to_str (((param & 0x00FF0000) >> 16), fc_lctl_rjt_val, "%x"));
 141     }
 142     return "";
 143 }