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  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12 #include "config.h"
  13
  14 #include <epan/packet.h>
  15 #include "packet-fclctl.h"
  16
  17 const value_string fc_lctl_proto_val[] = {
  18     {FC_LCTL_ACK1  , "ACK1"},
  19     {FC_LCTL_ACK0  , "ACK0"},
  20     {FC_LCTL_PRJT  , "P_RJT"},
  21     {FC_LCTL_FRJT  , "F_RJT"},
  22     {FC_LCTL_PBSY  , "P_BSY"},
  23     {FC_LCTL_FBSYL , "F_BSY (Data frame)"},
  24     {FC_LCTL_FBSYB , "F_BSY (Link Ctl)"},
  25     {FC_LCTL_LCR   , "LCR"},
  26     {FC_LCTL_NTY   , "NTY"},
  27     {FC_LCTL_END   , "END"},
  28     {0, NULL},
  29 };
  30
  31 static const value_string fc_lctl_fbsy_val[] = {
  32     {FC_LCTL_FBSY_FBSY, "Fabric Busy"},
  33     {FC_LCTL_FBSY_NBSY, "N_Port Busy"},
  34     {0, NULL}
  35 };
  36
  37 static const value_string fc_lctl_pbsy_acode_val[] = {
  38     {FC_LCTL_PBSY_ACODE_SEQBSY, "Sequence Marked Busy"},
  39     {FC_LCTL_PBSY_ACODE_C2BSY, "Class 2 Frame Busy"},
  40     {0, NULL},
  41 };
  42
  43 static const value_string fc_lctl_pbsy_rjt_val[] = {
  44     {FC_LCTL_PBSY_PORTBSY , "Physical N_Port Busy"},
  45     {FC_LCTL_PBSY_RSRCBSY , "N_Port Resource Busy"},
  46     {FC_LCTL_PBSY_MCASTBSY, "Partial Multicast Busy"},
  47     {FC_LCTL_PBSY_VENDBSY , "Vendor unique Busy"},
  48     {0, NULL},
  49 };
  50
  51 static const value_string fc_lctl_rjt_acode_val[] = {
  52     {FC_LCTL_RJT_ACODE_RETRY, "Retryable Error"},
  53     {FC_LCTL_RJT_ACODE_NORETRY, "Non-retryable Error"},
  54     {0, NULL},
  55 };
  56
  57 static const value_string fc_lctl_rjt_val[] = {
  58     {FC_LCTL_RJT_INVDID             , "Invalid D_ID"},
  59     {FC_LCTL_RJT_INVSID             , "Invalid S_ID"},
  60     {FC_LCTL_RJT_NPORT_NOTAVAIL_T   , "N_Port Not Avail (Temporary)"},
  61     {FC_LCTL_RJT_NPORT_NOTAVAIL_P   , "N_Port Not Avail (Permanent)"},
  62     {FC_LCTL_RJT_CLASS_NOTSUPP      , "Class Not Supported"},
  63     {FC_LCTL_RJT_DELIM_USERR        , "Delimiter Usage Error"},
  64     {FC_LCTL_RJT_TYPE_NOTSUPP       , "Type Not Supported"},
  65     {FC_LCTL_RJT_INV_LCTL           , "Invalid Link Ctl Frame"},
  66     {FC_LCTL_RJT_INV_RCTL           , "Invalid R_CTL"},
  67     {FC_LCTL_RJT_INV_FCTL           , "Invalid F_CTL"},
  68     {FC_LCTL_RJT_INV_OXID           , "Invalid OX_ID"},
  69     {FC_LCTL_RJT_INV_RXID           , "Invalid RX_ID"},
  70     {FC_LCTL_RJT_INV_SEQID          , "Invalid SEQID"},
  71     {FC_LCTL_RJT_INV_DFCTL          , "Invalid DF_CTL"},
  72     {FC_LCTL_RJT_INV_SEQCNT         , "Invalid SEQCNT"},
  73     {FC_LCTL_RJT_INV_PARAM          , "Invalid Parameter"},
  74     {FC_LCTL_RJT_EXCHG_ERR          , "Exchange Error"},
  75     {FC_LCTL_RJT_PROTO_ERR          , "Protocol Error"},
  76     {FC_LCTL_RJT_INV_LEN            , "Incorrect Length"},
  77     {FC_LCTL_RJT_UNEXP_ACK          , "Unexpected ACK"},
  78     {FC_LCTL_RJT_CLS_NOTSUPP        , "Class Not Supported by Entity at 0xFFFFFE"},
  79     {FC_LCTL_RJT_LOGI_REQD          , "Login Required"},
  80     {FC_LCTL_RJT_TOOMANY_SEQ        , "Excessive Sequences Attempted"},
  81     {FC_LCTL_RJT_EXCHG_NOTESTD      , "Exchange Not Established"},
  82     {FC_LCTL_RJT_RSVD               , "Reserved"},
  83     {FC_LCTL_RJT_FPATH_NOTAVAIL     , "Fabric Path Not Available"},
  84     {FC_LCTL_RJT_INV_VCID           , "Invalid VC_ID"},
  85     {FC_LCTL_RJT_INV_CSCTL          , "Invalid CS_CTL"},
  86     {FC_LCTL_RJT_OORSRC             , "Insufficient Resources of VC (Class 4)"},
  87     {FC_LCTL_RJT_INV_CLASS          , "Invalid Class of Service"},
  88     {FC_LCTL_RJT_PRMPT_RJT          , "Preemption Request Rejected"},
  89     {FC_LCTL_RJT_PRMPT_DIS          , "Preemption Not Enabled"},
  90     {FC_LCTL_RJT_MCAST_ERR          , "Multicast Error"},
  91     {FC_LCTL_RJT_MCAST_TERM         , "Multicast Error Terminate"},
  92     {FC_LCTL_RJT_PRLI_REQD          , "PRLI Required"},
  93     {FC_LCTL_RJT_VEND_ERR           , "Vendor Unique Error"},
  94     {0, NULL},
  95 };
  96 static value_string_ext fc_lctl_rjt_val_ext = VALUE_STRING_EXT_INIT(fc_lctl_rjt_val);
  97
  98 const char *
  99 fclctl_get_typestr (uint8_t linkctl_type, uint8_t type)
 100 {
 101     if ((linkctl_type == FC_LCTL_FBSYB) ||
 102         (linkctl_type == FC_LCTL_FBSYL)) {
 103         return (val_to_str ((type & 0xF0), fc_lctl_fbsy_val, "0x%x"));
 104     }
 105     return "";
 106 }
 107
 108 const char *
 109 fclctl_get_paramstr (wmem_allocator_t *pool, uint32_t linkctl_type, uint32_t param)
 110 {
 111     if (linkctl_type == FC_LCTL_PBSY) {
 112       return wmem_strdup_printf(pool, "%s, %s",
 113                  val_to_str (((param & 0xFF000000) >> 24), fc_lctl_pbsy_acode_val, "0x%x"),
 114                  val_to_str (((param & 0x00FF0000) >> 16), fc_lctl_pbsy_rjt_val, "0x%x"));
 115     }
 116     if ((linkctl_type == FC_LCTL_FRJT) ||
 117              (linkctl_type == FC_LCTL_PRJT)) {
 118       return wmem_strdup_printf(pool, "%s, %s",
 119                  val_to_str (((param & 0xFF000000) >> 24), fc_lctl_rjt_acode_val, "0x%x"),
 120                  val_to_str_ext (((param & 0x00FF0000) >> 16), &fc_lctl_rjt_val_ext, "%x"));
 121     }
 122     return "";
 123 }
 124
 125 /*
 126  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 127  *
 128  * Local variables:
 129  * c-basic-offset: 4
 130  * tab-width: 8
 131  * indent-tabs-mode: nil
 132  * End:
 133  *
 134  * vi: set shiftwidth=4 tabstop=8 expandtab:
 135  * :indentSize=4:tabSize=8:noTabs=true:
 136  */