/* packet-fcels.c * Routines for FC Extended Link Services * Copyright 2001, Dinesh G Dutt * * $Id: packet-fcels.c,v 1.4 2003/01/31 03:17:46 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * TODO Still (Complete compliance with FC-MI): * - Decode RNID, RLIR */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_NETINET_IN_H # include #endif #include #ifdef NEED_SNPRINTF_H # include "snprintf.h" #endif #include #include #include "etypes.h" #include "packet-fc.h" #include "packet-fcels.h" #define FC_ELS_RPLY 0 #define FC_ELS_REQ 1 /* Initialize the protocol and registered fields */ static int proto_fcels = -1; static int hf_fcels_opcode = -1; static int hf_fcels_rjtcode = -1; static int hf_fcels_rjtdetcode = -1; static int hf_fcels_vnduniq = -1; static int hf_fcels_b2b = -1; static int hf_fcels_cmnfeatures = -1; static int hf_fcels_bbscnum = -1; static int hf_fcels_rcvsize = -1; static int hf_fcels_maxconseq = -1; static int hf_fcels_reloffset = -1; static int hf_fcels_edtov = -1; static int hf_fcels_npname = -1; static int hf_fcels_fnname = -1; static int hf_fcels_cls1param = -1; static int hf_fcels_cls2param = -1; static int hf_fcels_cls3param = -1; static int hf_fcels_cls4param = -1; static int hf_fcels_vendorvers = -1; static int hf_fcels_svcavail = -1; static int hf_fcels_clsflags = -1; static int hf_fcels_initctl = -1; static int hf_fcels_rcptctl = -1; static int hf_fcels_clsrcvsize = -1; static int hf_fcels_conseq = -1; static int hf_fcels_e2e = -1; static int hf_fcels_openseq = -1; static int hf_fcels_nportid = -1; static int hf_fcels_oxid = -1; static int hf_fcels_rxid = -1; static int hf_fcels_recovqual = -1; static int hf_fcels_fabricaddr = -1; static int hf_fcels_fabricpname = -1; static int hf_fcels_failedrcvr = -1; static int hf_fcels_flacompliance = -1; static int hf_fcels_loopstate = -1; static int hf_fcels_publicloop_bmap = -1; static int hf_fcels_pvtloop_bmap = -1; static int hf_fcels_alpa_map = -1; static int hf_fcels_scrregn = -1; static int hf_fcels_farp_matchcodept = -1; static int hf_fcels_farp_respaction = -1; static int hf_fcels_resportid = -1; static int hf_fcels_respname = -1; static int hf_fcels_respnname = -1; static int hf_fcels_reqipaddr = -1; static int hf_fcels_respipaddr = -1; static int hf_fcels_hardaddr = -1; static int hf_fcels_rps_flag = -1; static int hf_fcels_rps_portnum = -1; static int hf_fcels_rps_portstatus = -1; static int hf_fcels_rnft_fc4type = -1; static int hf_fcels_rscn_evqual = -1; static int hf_fcels_rscn_addrfmt = -1; static int hf_fcels_rscn_domain = -1; static int hf_fcels_rscn_area = -1; static int hf_fcels_rscn_port = -1; static int hf_fcels_nodeidfmt = -1; static int hf_fcels_spidlen = -1; static int hf_fcels_vendoruniq = -1; static int hf_fcels_vendorsp = -1; static int hf_fcels_asstype = -1; static int hf_fcels_physport = -1; static int hf_fcels_attnodes = -1; static int hf_fcels_nodemgmt = -1; static int hf_fcels_ipvers = -1; static int hf_fcels_tcpport = -1; static int hf_fcels_ip = -1; static gint ett_fcels; static gint ett_fcels_lsrjt; static gint ett_fcels_acc; static gint ett_fcels_logi; static gint ett_fcels_logi_cmnsvc; static gint ett_fcels_logi_clssvc; static gint ett_fcels_logo; static gint ett_fcels_abtx; static gint ett_fcels_rsi; static gint ett_fcels_rrq; static gint ett_fcels_prli; static gint ett_fcels_prli_svcpg; static gint ett_fcels_adisc; static gint ett_fcels_farp; static gint ett_fcels_rps; static gint ett_fcels_rpl; static gint ett_fcels_rplpb; static gint ett_fcels_fan; static gint ett_fcels_rscn; static gint ett_fcels_rscn_rec; static gint ett_fcels_scr; static gint ett_fcels_rnft; static gint ett_fcels_rnft_fc4; static gint ett_fcels_lsts; static gint ett_fcels_rnid; static gint ett_fcels_rlir; static gint ett_fcels_lirr; static gint ett_fcels_srl; static gint ett_fcels_rpsc; static const value_string fc_prli_fc4_val[] = { {FC_TYPE_SCSI , "FCP"}, {FC_TYPE_IP , "IP/FC"}, {FC_TYPE_LLCSNAP , "LLC_SNAP"}, {FC_TYPE_ELS , "Ext Link Svc"}, {FC_TYPE_FCCT , "FC_CT"}, {FC_TYPE_SWILS , "SW_ILS"}, {FC_TYPE_AL , "AL"}, {FC_TYPE_SNMP , "SNMP"}, {FC_TYPE_CMNSVC , "Common to all FC-4 Types"}, {0, NULL}, }; typedef struct _fcels_conv_key { guint32 conv_idx; } fcels_conv_key_t; typedef struct _fcels_conv_data { guint32 opcode; } fcels_conv_data_t; GHashTable *fcels_req_hash = NULL; GMemChunk *fcels_req_keys = NULL; GMemChunk *fcels_req_vals = NULL; guint32 fcels_init_count = 25; static dissector_handle_t data_handle; /* * Hash Functions */ static gint fcels_equal(gconstpointer v, gconstpointer w) { fcels_conv_key_t *v1 = (fcels_conv_key_t *)v; fcels_conv_key_t *v2 = (fcels_conv_key_t *)w; return (v1->conv_idx == v2->conv_idx); } static guint fcels_hash (gconstpointer v) { fcels_conv_key_t *key = (fcels_conv_key_t *)v; guint val; val = key->conv_idx; return val; } /* * Protocol initialization */ static void fcels_init_protocol(void) { if (fcels_req_keys) g_mem_chunk_destroy(fcels_req_keys); if (fcels_req_vals) g_mem_chunk_destroy(fcels_req_vals); if (fcels_req_hash) g_hash_table_destroy(fcels_req_hash); fcels_req_hash = g_hash_table_new(fcels_hash, fcels_equal); fcels_req_keys = g_mem_chunk_new ("fcels_req_keys", sizeof(fcels_conv_key_t), fcels_init_count * sizeof(fcels_conv_key_t), G_ALLOC_AND_FREE); fcels_req_vals = g_mem_chunk_new ("fcels_req_vals", sizeof(fcels_conv_data_t), fcels_init_count * sizeof(fcels_conv_data_t), G_ALLOC_AND_FREE); } static void construct_cmnsvc_string (guint16 flag, gchar *flagstr, guint8 opcode) { int stroff = 0; gchar punc[3]; punc[0] = '\0'; if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { if (flag & 0x8000) { strcpy (flagstr, "Cont. Incr. Offset Supported"); stroff += 28; strcpy (punc, ", "); } if (flag & 0x4000) { sprintf (&flagstr[stroff], "%sRRO Supported", punc); stroff += 15; strcpy (punc, ", "); } } if (flag & 0x2000) { sprintf (flagstr, "%sValid Vendor Version Level", punc); strcpy (punc, ", "); stroff += 28; } if (flag & 0x0800) { sprintf (&flagstr[stroff], "%sAlt B2B Credit Mgmt", punc); strcpy (punc, ", "); stroff += 24; } else { sprintf (&flagstr[stroff], "%sNormal B2B Credit Mgmt", punc); strcpy (punc, ", "); stroff += 21; } if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { if (flag & 0x0400) { strcpy (&flagstr[stroff], ", E_D_TOV Resolution in ns"); } else { strcpy (&flagstr[stroff], ", E_D_TOV Resolution in ms"); } stroff += 26; if (flag & 0x0040) { strcpy (&flagstr[stroff], ", Simplex Dedicated Conn Supported"); stroff += 34; } } if (flag & 0x0010) { strcpy (&flagstr[stroff], ", Clk Sync Prim Capable"); stroff += 23; } if (flag & 0x0004) { strcpy (&flagstr[stroff], ", DHD Capable"); stroff += 13; } if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { if (flag & 0x0002) { strcpy (&flagstr[stroff], ", Cont. Incr SEQCNT rules"); stroff += 25; } else { strcpy (&flagstr[stroff], ", Normal SEQCNT rules"); stroff += 21; } } if (flag & 0x0001) { sprintf (&flagstr[stroff], ", Payload Len=256 bytes"); } else { sprintf (&flagstr[stroff], ", Payload Len=116 bytes"); } } /* The next 3 routines decode only Class 2 & Class 3 relevant bits */ static void construct_clssvc_string (guint16 flag, gchar *flagstr, guint8 opcode) { int stroff = 0; if (!(flag & 0x8000)) { strcpy (flagstr, "Class Not Supported"); return; } if ((opcode == FC_ELS_FLOGI) || (opcode == FC_ELS_FDISC)) { if (flag & 0x0800) { strcpy (flagstr, "Seq Delivery Requested"); stroff += 22; } else { strcpy (flagstr, "Out of Order Delivery Requested"); stroff += 31; } } if (flag & 0x0080) { strcpy (&flagstr[stroff], ", Priority/preemption supported"); stroff += 31; } if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { if (flag & 0x0040) { strcpy (&flagstr[stroff], "Non-zero CS_CTL Tolerated"); } else { strcpy (&flagstr[stroff], "Non-zero CS_CTL Maybe Tolerated"); } } } static void construct_initctl_string (guint16 flag, gchar *flagstr, guint8 opcode) { int stroff = 0; if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { switch ((flag & 0x3000)) { case 0x0: strcpy (flagstr, "Initial P_A Not Supported"); stroff += 25; break; case 0x1000: strcpy (flagstr, "Initial P_A Supported"); stroff += 21; break; case 0x3000: strcpy (flagstr, "Initial P_A Required & Supported"); stroff += 32; break; } if (flag & 0x0800) { strcpy (&flagstr[stroff], ", ACK0 Capable"); stroff += 14; } if (flag & 0x0200) { strcpy (&flagstr[stroff], ", ACK Generation Assistance Avail"); stroff += 33; } if (flag & 0x0010) { strcpy (&flagstr[stroff], ", Clock Sync ELS Supported"); } } else { if (flag & 0x0010) { strcpy (&flagstr[stroff], "Clock Sync ELS Supported"); } } } static void construct_rcptctl_string (guint16 flag, gchar *flagstr, guint8 opcode) { int stroff = 0; gchar punc[3]; punc[0] = '\0'; if ((opcode == FC_ELS_PLOGI) || (opcode == FC_ELS_PDISC)) { if (flag & 0x8000) { strcpy (flagstr, "ACK_0 Supported"); stroff += 15; } else { strcpy (flagstr, "ACK_0 Not Supported"); stroff += 19; } if (flag & 0x2000) { strcpy (&flagstr[stroff], ", X_ID Interlock Reqd"); stroff += 21; } switch (flag & 0x1800) { case 0x0: strcpy (&flagstr[stroff], ", Error Policy: Discard Policy only"); stroff += 43; break; case 0x1000: strcpy (&flagstr[stroff], ", Error Policy: Both discard and process policies supported"); stroff += 52; break; case 0x0800: strcpy (&flagstr[stroff], ", Error Policy: Reserved"); stroff += 41; break; case 0x1800: strcpy (&flagstr[stroff], ", Error Policy: Reserved"); stroff += 52; break; } switch (flag & 0x0030) { case 0: strcpy (&flagstr[stroff], ", 1 Category/Seq"); stroff += 16; break; case 0x0010: strcpy (&flagstr[stroff], ", 2 Categories/Seq"); stroff += 18; break; case 0x0030: strcpy (&flagstr[stroff], ", More than 2 Categories/Seq"); stroff += 28; break; } if (flag & 0x0008) { strcpy (&flagstr[stroff], ", Clk Sync ELS Supported"); } } else { if (flag & 0x0008) { strcpy (&flagstr[stroff], "Clk Sync ELS Supported"); } } } static void dissect_fcels_logi (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *ti, guint8 opcode) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 0, svcvld = 0, class; proto_tree *logi_tree, *cmnsvc_tree; proto_item *subti; gchar flagstr[256]; guint16 flag; if (tree) { logi_tree = proto_item_add_subtree (ti, ett_fcels_logi); proto_tree_add_item (logi_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); subti = proto_tree_add_text (logi_tree, tvb, offset+4, 16, "Common Svc Parameters"); cmnsvc_tree = proto_item_add_subtree (subti, ett_fcels_logi_cmnsvc); proto_tree_add_item (cmnsvc_tree, hf_fcels_b2b, tvb, offset+6, 2, FALSE); flag = tvb_get_ntohs (tvb, offset+8); if (flag & 0x0001) { svcvld = 1; } construct_cmnsvc_string (flag, flagstr, opcode); proto_tree_add_uint_format (cmnsvc_tree, hf_fcels_cmnfeatures, tvb, offset+8, 2, flag, "Common Svc Parameters: 0x%x (%s)", flag, flagstr); proto_tree_add_item (cmnsvc_tree, hf_fcels_bbscnum, tvb, offset+10, 1, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_rcvsize, tvb, offset+10, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_maxconseq, tvb, offset+12, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_reloffset, tvb, offset+14, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_edtov, tvb, offset+16, 4, FALSE); proto_tree_add_string (cmnsvc_tree, hf_fcels_npname, tvb, offset+20, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+20, 8))); proto_tree_add_string (cmnsvc_tree, hf_fcels_fnname, tvb, offset+28, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+28, 8))); /* Add subtree for class paramters */ offset = 36; for (class = 1; class < 5; class++) { subti = proto_tree_add_text (logi_tree, tvb, offset, 16, "Class %d Svc Parameters", class); cmnsvc_tree = proto_item_add_subtree (subti, ett_fcels_logi_cmnsvc); flag = tvb_get_ntohs (tvb, offset); construct_clssvc_string (flag, flagstr, opcode); proto_tree_add_uint_format (cmnsvc_tree, hf_fcels_clsflags, tvb, offset, 2, flag, "Service Options: 0x%x(%s)", flag, flagstr); if (flag & 0x8000) { flag = tvb_get_ntohs (tvb, offset+2); construct_initctl_string (flag, flagstr, opcode); proto_tree_add_uint_format (cmnsvc_tree, hf_fcels_initctl, tvb, offset+2, 2, flag, "Initiator Control: 0x%x(%s)", flag, flagstr); flag = tvb_get_ntohs (tvb, offset+4); construct_rcptctl_string (flag, flagstr, opcode); proto_tree_add_uint_format (cmnsvc_tree, hf_fcels_initctl, tvb, offset+4, 2, flag, "Recipient Control: 0x%x(%s)", flag, flagstr); proto_tree_add_item (cmnsvc_tree, hf_fcels_clsrcvsize, tvb, offset+6, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_conseq, tvb, offset+8, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_e2e, tvb, offset+10, 2, FALSE); proto_tree_add_item (cmnsvc_tree, hf_fcels_openseq, tvb, offset+12, 2, FALSE); } offset += 16; } proto_tree_add_item (logi_tree, hf_fcels_vendorvers, tvb, offset, 16, FALSE); if (svcvld) { proto_tree_add_item (logi_tree, hf_fcels_svcavail, tvb, offset+32, 8, FALSE); } } } static void dissect_fcels_plogi (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_logi (tvb, pinfo, tree, ti, FC_ELS_PLOGI); } static void dissect_fcels_flogi (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_logi (tvb, pinfo, tree, ti, FC_ELS_FLOGI); } static void dissect_fcels_logout (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 5; /* bypass opcode+rsvd field */ proto_tree *logo_tree; if (tree) { logo_tree = proto_item_add_subtree (ti, ett_fcels_logo); proto_tree_add_item (logo_tree, hf_fcels_opcode, tvb, offset-5, 1, FALSE); if (!isreq) { /* Accept has no payload */ return; } proto_tree_add_string (logo_tree, hf_fcels_nportid, tvb, offset, 3, fc_to_str (tvb_get_ptr (tvb, offset, 3))); proto_tree_add_string (logo_tree, hf_fcels_npname, tvb, offset+3, 6, fcwwn_to_str (tvb_get_ptr (tvb, offset+3, 6))); } } static void dissect_fcels_abtx (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 0; proto_tree *abtx_tree; if (tree) { abtx_tree = proto_item_add_subtree (ti, ett_fcels_abtx); proto_tree_add_item (abtx_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); if (!isreq) { return; } proto_tree_add_text (abtx_tree, tvb, offset+4, 1, "Recovery Qualifier Status: 0x%x", tvb_get_guint8 (tvb, offset+4)); proto_tree_add_string (abtx_tree, hf_fcels_nportid, tvb, offset+5, 3, fc_to_str (tvb_get_ptr (tvb, offset+5, 3))); proto_tree_add_item (abtx_tree, hf_fcels_oxid, tvb, offset+8, 2, FALSE); proto_tree_add_item (abtx_tree, hf_fcels_rxid, tvb, offset+10, 2, FALSE); } } static void dissect_fcels_rsi (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 4; proto_tree *rsi_tree; if (tree) { rsi_tree = proto_item_add_subtree (ti, ett_fcels_rsi); proto_tree_add_item (rsi_tree, hf_fcels_opcode, tvb, offset-4, 1, FALSE); if (!isreq) return; proto_tree_add_item (rsi_tree, hf_fcels_recovqual, tvb, offset, 1, FALSE); proto_tree_add_string (rsi_tree, hf_fcels_nportid, tvb, offset+1, 3, fc_to_str (tvb_get_ptr (tvb, offset+1, 3))); proto_tree_add_item (rsi_tree, hf_fcels_rxid, tvb, offset+4, 2, FALSE); proto_tree_add_item (rsi_tree, hf_fcels_oxid, tvb, offset+6, 2, FALSE); } } static void dissect_fcels_rrq (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 0; proto_tree *rrq_tree; if (tree) { rrq_tree = proto_item_add_subtree (ti, ett_fcels_rrq); proto_tree_add_item (rrq_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); if (!isreq) return; proto_tree_add_string (rrq_tree, hf_fcels_nportid, tvb, offset+5, 3, fc_to_str (tvb_get_ptr (tvb, offset+5, 3))); proto_tree_add_item (rrq_tree, hf_fcels_oxid, tvb, offset+8, 2, FALSE); proto_tree_add_item (rrq_tree, hf_fcels_rxid, tvb, offset+10, 2, FALSE); } } static void dissect_fcels_pdisc (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_logi (tvb, pinfo, tree, ti, FC_ELS_PDISC); } static void dissect_fcels_fdisc (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_logi (tvb, pinfo, tree, ti, FC_ELS_FDISC); } static void dissect_fcels_adisc (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 5; proto_tree *adisc_tree; if (tree) { adisc_tree = proto_item_add_subtree (ti, ett_fcels_adisc); proto_tree_add_item (adisc_tree, hf_fcels_opcode, tvb, offset-5, 1, FALSE); proto_tree_add_string (adisc_tree, hf_fcels_hardaddr, tvb, offset, 3, fc_to_str (tvb_get_ptr (tvb, offset, 3))); proto_tree_add_string (adisc_tree, hf_fcels_npname, tvb, offset+3, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+3, 8))); proto_tree_add_string (adisc_tree, hf_fcels_fnname, tvb, offset+11, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+11, 8))); proto_tree_add_string (adisc_tree, hf_fcels_nportid, tvb, offset+20, 3, fc_to_str (tvb_get_ptr (tvb, offset+20, 3))); } } static void dissect_fcels_farp (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *ti) { int offset = 4; proto_tree *farp_tree; if (tree) { farp_tree = proto_item_add_subtree (ti, ett_fcels_farp); proto_tree_add_item (farp_tree, hf_fcels_opcode, tvb, offset-4, 1, FALSE); proto_tree_add_item (farp_tree, hf_fcels_farp_matchcodept, tvb, offset, 1, FALSE); proto_tree_add_string (farp_tree, hf_fcels_nportid, tvb, offset+1, 3, fc_to_str (tvb_get_ptr (tvb, offset+1, 3))); proto_tree_add_item (farp_tree, hf_fcels_farp_respaction, tvb, offset+4, 1, FALSE); proto_tree_add_string (farp_tree, hf_fcels_resportid, tvb, offset+5, 3, fc_to_str (tvb_get_ptr (tvb, offset+5, 3))); proto_tree_add_string (farp_tree, hf_fcels_npname, tvb, offset+8, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+8, 8))); proto_tree_add_string (farp_tree, hf_fcels_fnname, tvb, offset+16, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+16, 8))); proto_tree_add_string (farp_tree, hf_fcels_respname, tvb, offset+24, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+24, 8))); proto_tree_add_string (farp_tree, hf_fcels_respnname, tvb, offset+32, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+32, 8))); proto_tree_add_item (farp_tree, hf_fcels_reqipaddr, tvb, offset+40, 16, FALSE); proto_tree_add_item (farp_tree, hf_fcels_respipaddr, tvb, offset+56, 16, FALSE); } } static void dissect_fcels_farp_req (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_farp (tvb, pinfo, tree, ti); } static void dissect_fcels_farp_rply (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { dissect_fcels_farp (tvb, pinfo, tree, ti); } static void dissect_fcels_rps (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 3; guint8 flag; proto_tree *rps_tree; flag = tvb_get_guint8 (tvb, offset); if (tree) { rps_tree = proto_item_add_subtree (ti, ett_fcels_rps); if (isreq) { proto_tree_add_item (rps_tree, hf_fcels_rps_flag, tvb, offset, 1, FALSE); proto_tree_add_item (rps_tree, hf_fcels_opcode, tvb, offset-3, 1, FALSE); if (flag & 0x2) { proto_tree_add_string (rps_tree, hf_fcels_npname, tvb, offset+1, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+1, 8))); } else if (flag & 0x1) { proto_tree_add_item (rps_tree, hf_fcels_rps_portnum, tvb, offset+5, 3, FALSE); } } else { proto_tree_add_item (rps_tree, hf_fcels_rps_flag, tvb, offset, 1, FALSE); proto_tree_add_item (rps_tree, hf_fcels_rps_portstatus, tvb, offset+3, 2, FALSE); /* Next 6 fields are from Link Error Status Block (LESB) */ proto_tree_add_text (rps_tree, tvb, offset+5, 4, "Link Failure Count: %u", tvb_get_ntohl (tvb, offset+5)); proto_tree_add_text (rps_tree, tvb, offset+9, 4, "Loss of Sync Count: %u", tvb_get_ntohl (tvb, offset+9)); proto_tree_add_text (rps_tree, tvb, offset+13, 4, "Loss of Signal Count: %u", tvb_get_ntohl (tvb, offset+13)); proto_tree_add_text (rps_tree, tvb, offset+17, 4, "Primitive Seq Protocol Err: %u", tvb_get_ntohl (tvb, offset+17)); proto_tree_add_text (rps_tree, tvb, offset+21, 4, "Invalid Xmission Word: %u", tvb_get_ntohl (tvb, offset+21)); proto_tree_add_text (rps_tree, tvb, offset+25, 4, "Invalid CRC Count: %u", tvb_get_ntohl (tvb, offset+25)); if (flag & 0x01) { /* Next 6 fields are from L_Port Extension field */ proto_tree_add_text (rps_tree, tvb, offset+31, 2, "L_Port Status: 0x%x", tvb_get_ntohs (tvb, offset+31)); proto_tree_add_text (rps_tree, tvb, offset+36, 1, "LIP AL_PS: 0x%x", tvb_get_guint8 (tvb, offset+36)); proto_tree_add_text (rps_tree, tvb, offset+37, 4, "LIP F7 Initiated Count: %u", tvb_get_ntohl (tvb, offset+37)); proto_tree_add_text (rps_tree, tvb, offset+41, 4, "LIP F7 Received Count: %u", tvb_get_ntohl (tvb, offset+41)); proto_tree_add_text (rps_tree, tvb, offset+45, 4, "LIP F8 Initiated Count: %u", tvb_get_ntohl (tvb, offset+45)); proto_tree_add_text (rps_tree, tvb, offset+49, 4, "LIP F8 Received Count: %u", tvb_get_ntohl (tvb, offset+49)); proto_tree_add_text (rps_tree, tvb, offset+53, 4, "LIP Reset Initiated Count: %u", tvb_get_ntohl (tvb, offset+53)); proto_tree_add_text (rps_tree, tvb, offset+57, 4, "LIP Reset Received Count: %u", tvb_get_ntohl (tvb, offset+57)); } } } } static void dissect_fcels_rpl (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 0; proto_tree *rpl_tree, *pb_tree; proto_item *subti; int loop; if (tree) { rpl_tree = proto_item_add_subtree (ti, ett_fcels_rpl); proto_tree_add_item (rpl_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); if (isreq) { proto_tree_add_text (rpl_tree, tvb, offset+6, 2, "Max Size: %u", tvb_get_ntohs (tvb, offset+6)); proto_tree_add_text (rpl_tree, tvb, offset+9, 3, "Index: %u", tvb_get_ntoh24 (tvb, offset+9)); } else { /* Reply consists of a header and a number of port blocks */ proto_tree_add_text (rpl_tree, tvb, offset+2, 2, "Payload Length: %u", tvb_get_ntohs (tvb, offset+2)); proto_tree_add_text (rpl_tree, tvb, offset+5, 3, "List Length: %u", tvb_get_ntoh24 (tvb, offset+5)); proto_tree_add_text (rpl_tree, tvb, offset+9, 3, "Index of I Port Block: %u", tvb_get_ntoh24 (tvb, offset+9)); offset = 12; /* The following loop is for dissecting the port blocks */ for (loop = tvb_get_ntoh24 (tvb, 5); loop > 0; loop--) { subti = proto_tree_add_text (rpl_tree, tvb, offset+12, 16, "Port Block %u", loop); pb_tree = proto_item_add_subtree (subti, ett_fcels_rplpb); proto_tree_add_text (pb_tree, tvb, offset, 4, "Physical Port #: %u", tvb_get_ntohl (tvb, offset)); proto_tree_add_text (pb_tree, tvb, offset+5, 3, "Port Identifier: %s", fc_to_str (tvb_get_ptr (tvb, offset+5, 3))); proto_tree_add_text (pb_tree, tvb, offset+8, 8, "Port Name: %s", fcwwn_to_str (tvb_get_ptr (tvb, offset+8, 8))); offset += 16; } } } } static void dissect_fcels_fan (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 5; proto_tree *fan_tree; if (tree) { fan_tree = proto_item_add_subtree (ti, ett_fcels_fan); proto_tree_add_item (fan_tree, hf_fcels_opcode, tvb, offset-5, 1, FALSE); proto_tree_add_string (fan_tree, hf_fcels_fabricaddr, tvb, offset, 3, fc_to_str (tvb_get_ptr (tvb, offset, 3))); proto_tree_add_string (fan_tree, hf_fcels_fabricpname, tvb, offset+3, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset, 8))); proto_tree_add_string (fan_tree, hf_fcels_fnname, tvb, offset+11, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+11, 8))); } } static void dissect_fcels_rscn (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 1; proto_tree *rscn_tree, *rectree; proto_item *subti; int numrec, plen, i; if (tree) { rscn_tree = proto_item_add_subtree (ti, ett_fcels_rscn); proto_tree_add_item (rscn_tree, hf_fcels_opcode, tvb, offset-1, 1, FALSE); if (!isreq) return; proto_tree_add_text (rscn_tree, tvb, offset, 1, "Page Len: %u", tvb_get_guint8 (tvb, offset)); plen = tvb_get_ntohs (tvb, offset+1); proto_tree_add_text (rscn_tree, tvb, offset+1, 2, "Payload Len: %u", plen); numrec = (plen - 4)/4; offset = 4; for (i = 0; i < numrec; i++) { subti = proto_tree_add_text (rscn_tree, tvb, offset, 4, "Affected N_Port Page %u", i); rectree = proto_item_add_subtree (subti, ett_fcels_rscn_rec); proto_tree_add_item (rectree, hf_fcels_rscn_evqual, tvb, offset, 1, FALSE); proto_tree_add_item (rectree, hf_fcels_rscn_addrfmt, tvb, offset, 1, FALSE); proto_tree_add_item (rectree, hf_fcels_rscn_domain, tvb, offset+1, 1, FALSE); proto_tree_add_item (rectree, hf_fcels_rscn_area, tvb, offset+2, 1, FALSE); proto_tree_add_item (rectree, hf_fcels_rscn_port, tvb, offset+3, 1, FALSE); offset += 4; } } } static void dissect_fcels_scr (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 7; proto_tree *scr_tree; if (tree) { scr_tree = proto_item_add_subtree (ti, ett_fcels_scr); proto_tree_add_item (scr_tree, hf_fcels_opcode, tvb, offset-7, 1, FALSE); if (isreq) proto_tree_add_item (scr_tree, hf_fcels_scrregn, tvb, offset, 1, FALSE); } } static void dissect_fcels_rnft (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { int offset = 0; guint16 numrec, i; proto_tree *rnft_tree, *fc4_tree; proto_item *subti; if (tree) { rnft_tree = proto_item_add_subtree (ti, ett_fcels_rnft); proto_tree_add_item (rnft_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); if (isreq) { proto_tree_add_text (rnft_tree, tvb, offset+2, 2, "Max Size: %u", tvb_get_ntohs (tvb, offset+2)); proto_tree_add_text (rnft_tree, tvb, offset+7, 1, "Index: %u", tvb_get_guint8 (tvb, offset+7)); } else { proto_tree_add_text (rnft_tree, tvb, offset+2, 2, "Payload Len: %u", tvb_get_ntohs (tvb, offset+2)); numrec = tvb_get_guint8 (tvb, offset+5); proto_tree_add_text (rnft_tree, tvb, offset+5, 1, "List Length: %u", numrec); proto_tree_add_text (rnft_tree, tvb, offset+7, 1, "Index of First Rec in List: %u", tvb_get_guint8 (tvb, offset+7)); offset = 8; for (i = 0; i < numrec; i++) { subti = proto_tree_add_text (rnft_tree, tvb, offset, 4, "FC-4 Entry #%u", i); fc4_tree = proto_item_add_subtree (subti, ett_fcels_rnft_fc4); proto_tree_add_item (fc4_tree, hf_fcels_rnft_fc4type, tvb, offset, 1, FALSE); proto_tree_add_text (fc4_tree, tvb, offset+1, 3, "FC-4 Qualifier 0x%x", tvb_get_ntoh24 (tvb, offset+1)); offset += 4; } } } } static void dissect_fcels_lsts (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 5; proto_tree *lsts_tree; if (tree) { lsts_tree = proto_item_add_subtree (ti, ett_fcels_lsts); proto_tree_add_item (lsts_tree, hf_fcels_opcode, tvb, offset-5, 1, FALSE); if (isreq) { /* In case of LSTS, the reply has the meat */ return; } proto_tree_add_item (lsts_tree, hf_fcels_failedrcvr, tvb, offset, 1, FALSE); proto_tree_add_item (lsts_tree, hf_fcels_flacompliance, tvb, offset+1, 1, FALSE); proto_tree_add_item (lsts_tree, hf_fcels_loopstate, tvb, offset+2, 1, FALSE); proto_tree_add_item (lsts_tree, hf_fcels_publicloop_bmap, tvb, offset+3, 16, FALSE); proto_tree_add_item (lsts_tree, hf_fcels_pvtloop_bmap, tvb, offset+19, 16, FALSE); proto_tree_add_item (lsts_tree, hf_fcels_alpa_map, tvb, offset+35, 128, FALSE); } } static void dissect_fcels_prlilo_payload (tvbuff_t *tvb, packet_info *pinfo _U_, guint8 isreq, proto_item *ti, guint8 opcode) { int offset = 0, stroff = 0; guint8 type; proto_tree *prli_tree, *svcpg_tree; int num_svcpg, payload_len, i, flag; proto_item *subti; gchar flagstr[100]; /* We're assuming that we're invoked only if tree is not NULL i.e. * we don't do the usual "if (tree)" check here, the caller must. */ prli_tree = proto_item_add_subtree (ti, ett_fcels_prli); proto_tree_add_item (prli_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); proto_tree_add_text (prli_tree, tvb, offset+1, 1, "Page Length: %u", tvb_get_guint8 (tvb, offset+1)); payload_len = tvb_get_ntohs (tvb, offset+2); proto_tree_add_text (prli_tree, tvb, offset+2, 2, "Payload Length: %u", payload_len); num_svcpg = payload_len/16; offset = 4; for (i = 0; i < num_svcpg; i++) { subti = proto_tree_add_text (prli_tree, tvb, offset, 16, "Service Parameter Page %u", i); svcpg_tree = proto_item_add_subtree (subti, ett_fcels_prli_svcpg); type = tvb_get_guint8 (tvb, offset); proto_tree_add_text (svcpg_tree, tvb, offset, 1, "TYPE: %s", val_to_str (type, fc_prli_fc4_val, "0x%x")); proto_tree_add_text (svcpg_tree, tvb, offset+1, 1, "TYPE Code Extension: %u", tvb_get_guint8 (tvb, offset+1)); flag = tvb_get_guint8 (tvb, offset+2); flagstr[0] = '\0'; stroff = 0; if (opcode != FC_ELS_TPRLO) { if (flag & 0x80) { strcpy (flagstr, "Orig PA Valid, "); stroff += 15; } if (flag & 0x40) { strcpy (&flagstr[stroff], "Resp PA Valid, "); stroff += 15; } if (opcode == FC_ELS_PRLI) { if (!isreq) { if (flag & 0x20) { strcpy (&flagstr[stroff], "Image Pair Estd., "); stroff += 18; } else { strcpy (&flagstr[stroff], "Image Pair Not Estd., "); stroff += 22; } } else { if (flag & 0x20) { strcpy (&flagstr[stroff], "Est Image Pair & Exchg Svc Param, "); stroff += 34; } else { strcpy (&flagstr[stroff], "Exchange Svc Param Only, "); stroff += 25; } } } } else { /* Assuming opcode is TPRLO */ if (flag & 0x80) { strcpy (flagstr, "3rd Party Orig PA Valid, "); stroff += 25; } if (flag & 0x40) { strcpy (&flagstr[stroff], "Resp PA Valid, "); stroff += 15; } if (flag & 0x20) { strcpy (&flagstr[stroff], "3rd Party N_Port Valid, "); stroff += 24; } if (flag & 0x10) { strcpy (&flagstr[stroff], "Global PRLO, "); stroff += 13; } } proto_tree_add_text (svcpg_tree, tvb, offset+2, 1, "Flags: %s", flagstr); if (!isreq && (opcode != FC_ELS_TPRLO)) { /* This is valid only for ACC */ proto_tree_add_text (svcpg_tree, tvb, offset+2, 1, "Response Code: 0x%x", (tvb_get_guint8 (tvb, offset+2) & 0x0F)); } if (opcode != FC_ELS_TPRLO) { proto_tree_add_text (svcpg_tree, tvb, offset+4, 4, "Originator PA: 0x%x", tvb_get_ntohl (tvb, offset+4)); } else { proto_tree_add_text (svcpg_tree, tvb, offset+4, 4, "3rd Party Originator PA: 0x%x", tvb_get_ntohl (tvb, offset+4)); } proto_tree_add_text (svcpg_tree, tvb, offset+8, 4, "Responder PA: 0x%x", tvb_get_ntohl (tvb, offset+8)); if (type == FC_TYPE_SCSI) { flag = tvb_get_ntohs (tvb, offset+14); flagstr[0] = '\0'; stroff = 0; if (flag & 0x2000) { if (isreq) { strcpy (flagstr, "Task Retry Ident Req, "); stroff += 22; } else { strcpy (flagstr, "Task Retry Ident Acc, "); stroff += 22; } } if (flag & 0x1000) { strcpy (&flagstr[stroff], "Retry Possible, "); stroff += 16; } if (flag & 0x0080) { strcpy (&flagstr[stroff], "Confirmed Comp, "); stroff += 16; } if (flag & 0x0040) { strcpy (&flagstr[stroff], "Data Overlay, "); stroff += 14; } if (flag & 0x0020) { strcpy (&flagstr[stroff], "Initiator, "); stroff += 11; } if (flag & 0x0010) { strcpy (&flagstr[stroff], "Target, "); stroff += 8; } if (flag & 0x0002) { strcpy (&flagstr[stroff], "Rd Xfer_Rdy Dis, "); stroff += 17; } if (flag & 0x0001) { strcpy (&flagstr[stroff], "Wr Xfer_Rdy Dis"); stroff += 15; } proto_tree_add_text (svcpg_tree, tvb, offset+12, 4, "FCP Flags: 0x%x (%s)", flag, flagstr); } else if ((opcode == FC_ELS_PRLI) && !isreq) { proto_tree_add_text (svcpg_tree, tvb, offset+12, 4, "Service Parameter Response: 0x%x", tvb_get_ntohl (tvb, offset+12)); } else if (opcode == FC_ELS_TPRLO) { proto_tree_add_text (svcpg_tree, tvb, offset+13, 3, "3rd Party N_Port Id: %s", fc_to_str (tvb_get_ptr (tvb, offset+13, 3))); } } } static void dissect_fcels_prli (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq, proto_item *ti) { if (tree) { dissect_fcels_prlilo_payload (tvb, pinfo, isreq, ti, FC_ELS_PRLI); } } static void dissect_fcels_prlo (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ if (tree) { dissect_fcels_prlilo_payload (tvb, pinfo, isreq, ti, FC_ELS_PRLO); } } static void dissect_fcels_tprlo (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ if (tree) { dissect_fcels_prlilo_payload (tvb, pinfo, isreq, ti, FC_ELS_TPRLO); } } static void dissect_fcels_lirr (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 4; proto_tree *lirr_tree; guint8 lirr_fmt; if (tree) { lirr_tree = proto_item_add_subtree (ti, ett_fcels_lirr); proto_tree_add_item (lirr_tree, hf_fcels_opcode, tvb, offset-4, 1, FALSE); proto_tree_add_text (lirr_tree, tvb, offset, 1, "Regn. Function: %s", val_to_str (tvb_get_guint8 (tvb, offset), fc_els_lirr_regfunc_val, "Reserved (0x%x)")); lirr_fmt = tvb_get_guint8 (tvb, offset+1); if (!lirr_fmt) { /* This scheme is resorted to because the value 0 has a string in * the value_string that is not what we want displayed here. */ proto_tree_add_text (lirr_tree, tvb, offset, 1, "Regn. Format: Common Format"); } else { proto_tree_add_text (lirr_tree, tvb, offset, 1, "Regn. Format: %s", val_to_str (lirr_fmt, fc_fc4_val, "0x%x")); } } } static void dissect_fcels_srl (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 4, flag = 0; proto_tree *srl_tree; if (tree) { srl_tree = proto_item_add_subtree (ti, ett_fcels_srl); proto_tree_add_item (srl_tree, hf_fcels_opcode, tvb, offset-4, 1, FALSE); if (!isreq) return; flag = tvb_get_guint8 (tvb, offset); if (flag & 0x1) { proto_tree_add_text (srl_tree, tvb, offset, 1, "Flag: Scan only specified FL Port"); } else { proto_tree_add_text (srl_tree, tvb, offset, 1, "Flag: Scan all loops in domain"); } proto_tree_add_text (srl_tree, tvb, offset+1, 3, "FL_Port Addr: %s", fc_to_str (tvb_get_ptr (tvb, offset+1, 3))); } } static void dissect_fcels_rpsc (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 2; int num_entries, i, cap; gchar speed_str[40]; int stroff = 0; proto_tree *rpsc_tree; if (tree) { rpsc_tree = proto_item_add_subtree (ti, ett_fcels_rpsc); proto_tree_add_item (rpsc_tree, hf_fcels_opcode, tvb, offset-2, 1, FALSE); if (isreq) return; num_entries = tvb_get_ntohs (tvb, offset); proto_tree_add_text (rpsc_tree, tvb, offset, 2, "Number of Entries: %u", num_entries); offset = 4; for (i = 0; i < num_entries; i++) { cap = tvb_get_ntohs (tvb, offset); speed_str[0] = '\0'; stroff = 0; if (cap & 0x8000) { strcpy (speed_str, "1,"); stroff += 2; } if (cap & 0x4000) { strcpy (speed_str, "2,"); stroff += 2; } if (cap & 0x2000) { strcpy (speed_str, "4,"); stroff += 2; } if (cap & 0x1000) { strcpy (speed_str, "10"); stroff += 2; } strcpy (&speed_str[stroff], "Gb"); proto_tree_add_text (rpsc_tree, tvb, offset, 2, "Port Speed Capabilities (Port %u): %s", i, speed_str); cap = tvb_get_ntohs (tvb, offset+2); proto_tree_add_text (rpsc_tree, tvb, offset+2, 2, "Port Oper Speed: %s", val_to_str (cap, fc_els_portspeed_val, "0x%x")); } } } static void dissect_fcels_rnid (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 0; int clen, slen; proto_tree *rnid_tree; if (tree) { rnid_tree = proto_item_add_subtree (ti, ett_fcels_rnid); proto_tree_add_item (rnid_tree, hf_fcels_opcode, tvb, offset, 1, FALSE); if (isreq) { proto_tree_add_item (rnid_tree, hf_fcels_nodeidfmt, tvb, offset+4, 1, FALSE); } else { /* We only decode responses to nodeid fmt DF */ proto_tree_add_item (rnid_tree, hf_fcels_nodeidfmt, tvb, offset+4, 1, FALSE); clen = tvb_get_guint8 (tvb, offset+5); proto_tree_add_text (rnid_tree, tvb, offset+5, 1, "Common Identification Data Length: %u", clen); slen = tvb_get_guint8 (tvb, offset+7); proto_tree_add_item (rnid_tree, hf_fcels_spidlen, tvb, offset+7, 1, FALSE); if (clen) { proto_tree_add_string (rnid_tree, hf_fcels_npname, tvb, offset+8, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+8, 8))); proto_tree_add_string (rnid_tree, hf_fcels_fnname, tvb, offset+16, 8, fcwwn_to_str (tvb_get_ptr (tvb, offset+16, 8))); } if (tvb_get_guint8 (tvb, offset+4) == 0xDF) { /* Decode the Specific Node ID Format as this is known */ proto_tree_add_item (rnid_tree, hf_fcels_vendoruniq, tvb, offset+24, 16, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_asstype, tvb, offset+40, 4, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_physport, tvb, offset+44, 4, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_attnodes, tvb, offset+48, 4, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_nodemgmt, tvb, offset+52, 1, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_ipvers, tvb, offset+53, 1, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_tcpport, tvb, offset+54, 2, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_ip, tvb, offset+56, 16, FALSE); proto_tree_add_item (rnid_tree, hf_fcels_vendorsp, tvb, offset+74, 2, FALSE); } } } } static void dissect_fcels_rlir (tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq _U_, proto_item *ti _U_) { /* Set up structures needed to add the protocol subtree and manage it */ if (tree) { } } static void dissect_fcels_lsrjt (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 isreq _U_, proto_item *ti) { /* Set up structures needed to add the protocol subtree and manage it */ int offset = 5; proto_tree *lsrjt_tree; if (tree) { lsrjt_tree = proto_item_add_subtree (ti, ett_fcels_lsrjt); proto_tree_add_item (lsrjt_tree, hf_fcels_opcode, tvb, offset-5, 1, FALSE); proto_tree_add_item (lsrjt_tree, hf_fcels_rjtcode, tvb, offset++, 1, FALSE); proto_tree_add_item (lsrjt_tree, hf_fcels_rjtdetcode, tvb, offset++, 1, FALSE); proto_tree_add_item (lsrjt_tree, hf_fcels_vnduniq, tvb, offset, 1, FALSE); } } static void dissect_fcels (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti = NULL; proto_tree *acc_tree; guint8 isreq = FC_ELS_REQ; int offset = 0; guint8 opcode, failed_opcode = 0; conversation_t *conversation; fcels_conv_data_t *cdata; fcels_conv_key_t ckey, *req_key; guint options; address dstaddr; guint8 addrdata[3]; /* Make entries in Protocol column and Info column on summary display */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "FC ELS"); /* decoding of this is done by each individual opcode handler */ opcode = tvb_get_guint8 (tvb, 0); if (tree) { ti = proto_tree_add_protocol_format (tree, proto_fcels, tvb, 0, tvb_length (tvb), "FC ELS"); } /* Register conversation in case this is not a response */ if ((opcode != FC_ELS_LSRJT) && (opcode != FC_ELS_ACC)) { if (opcode == FC_ELS_FLOGI) { if (pinfo->src.data[2]) { /* If it is a loop port, we'll need to remember the ALPA */ options = NO_PORT2; } else { options = NO_PORT2 | NO_ADDR2; } } else { options = NO_PORT2; } conversation = find_conversation (&pinfo->dst, &pinfo->src, pinfo->ptype, pinfo->oxid, pinfo->rxid, options); if (!conversation) { conversation = conversation_new (&pinfo->dst, &pinfo->src, pinfo->ptype, pinfo->oxid, pinfo->rxid, options); } ckey.conv_idx = conversation->index; cdata = (fcels_conv_data_t *)g_hash_table_lookup (fcels_req_hash, &ckey); if (cdata) { /* Since we never free the memory used by an exchange, this maybe a * case of another request using the same exchange as a previous * req. */ cdata->opcode = opcode; } else { req_key = g_mem_chunk_alloc (fcels_req_keys); req_key->conv_idx = conversation->index; cdata = g_mem_chunk_alloc (fcels_req_vals); cdata->opcode = opcode; g_hash_table_insert (fcels_req_hash, req_key, cdata); } } else { isreq = FC_ELS_RPLY; options = NO_PORT2; conversation = find_conversation (&pinfo->dst, &pinfo->src, pinfo->ptype, pinfo->oxid, pinfo->rxid, options); if (!conversation) { /* FLOGI has two ways to save state: without the src and using just * the port (ALPA) part of the address. Try both. */ addrdata[0] = addrdata[1] = 0; addrdata[2] = pinfo->dst.data[2]; SET_ADDRESS (&dstaddr, AT_FC, 3, addrdata); conversation = find_conversation (&dstaddr, &pinfo->src, pinfo->ptype, pinfo->oxid, pinfo->rxid, options); } if (!conversation) { /* Finally check for FLOGI with both NO_PORT2 and NO_ADDR2 set */ options = NO_ADDR2 | NO_PORT2; conversation = find_conversation (&pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->oxid, pinfo->rxid, options); if (!conversation) { if (tree && (opcode == FC_ELS_ACC)) { /* No record of what this accept is for. Can't decode */ acc_tree = proto_item_add_subtree (ti, ett_fcels_acc); proto_tree_add_text (acc_tree, tvb, offset, tvb_length (tvb), "No record of Exchange. Unable to decode ACC"); return; } failed_opcode = 0; } } if (conversation) { ckey.conv_idx = conversation->index; cdata = (fcels_conv_data_t *)g_hash_table_lookup (fcels_req_hash, &ckey); if (cdata != NULL) { if ((options & NO_ADDR2) && (cdata->opcode != FC_ELS_FLOGI)) { /* only FLOGI can have this special check */ if (tree && (opcode == FC_ELS_ACC)) { /* No record of what this accept is for. Can't decode */ acc_tree = proto_item_add_subtree (ti, ett_fcels_acc); proto_tree_add_text (acc_tree, tvb, offset, tvb_length (tvb), "No record of Exchg. Unable to decode ACC"); return; } } if (opcode == FC_ELS_ACC) opcode = cdata->opcode; else failed_opcode = cdata->opcode; } if (tree) { if ((cdata == NULL) && (opcode != FC_ELS_LSRJT)) { /* No record of what this accept is for. Can't decode */ acc_tree = proto_item_add_subtree (ti, ett_fcels_acc); proto_tree_add_text (acc_tree, tvb, offset, tvb_length (tvb), "No record of ELS Req. Unable to decode ACC"); return; } } } } if (check_col (pinfo->cinfo, COL_INFO)) { if (isreq == FC_ELS_REQ) { col_add_str (pinfo->cinfo, COL_INFO, val_to_str (opcode, fc_els_proto_val, "0x%x")); } else if (opcode == FC_ELS_LSRJT) { col_add_fstr (pinfo->cinfo, COL_INFO, "LS_RJT (%s)", val_to_str (failed_opcode, fc_els_proto_val, "0x%x")); } else { col_add_fstr (pinfo->cinfo, COL_INFO, "ACC (%s)", val_to_str (opcode, fc_els_proto_val, "0x%x")); } } switch (opcode) { case FC_ELS_LSRJT: dissect_fcels_lsrjt (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_PLOGI: dissect_fcels_plogi (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_FLOGI: dissect_fcels_flogi (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_LOGOUT: dissect_fcels_logout (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_ABTX: dissect_fcels_abtx (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RSI: dissect_fcels_rsi (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RRQ: dissect_fcels_rrq (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_PRLI: dissect_fcels_prli (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_PRLO: dissect_fcels_prlo (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_TPRLO: dissect_fcels_tprlo (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_PDISC: dissect_fcels_pdisc (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_FDISC: dissect_fcels_fdisc (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_ADISC: dissect_fcels_adisc (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_FARP_REQ: dissect_fcels_farp_req (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_FARP_RPLY: dissect_fcels_farp_rply (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RPS: dissect_fcels_rps (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RPL: dissect_fcels_rpl (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_FAN: dissect_fcels_fan (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RSCN: dissect_fcels_rscn (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_SCR: dissect_fcels_scr (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RNFT: dissect_fcels_rnft (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_LSTS: dissect_fcels_lsts (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RNID: dissect_fcels_rnid (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RLIR: dissect_fcels_rlir (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_LIRR: dissect_fcels_lirr (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_SRL: dissect_fcels_srl (tvb, pinfo, tree, isreq, ti); break; case FC_ELS_RPSC: dissect_fcels_rpsc (tvb, pinfo, tree, isreq, ti); break; default: /* proto_tree_add_text ( */ call_dissector (data_handle, tvb, pinfo, tree); break; } } void proto_register_fcels (void) { /* Setup list of header fields See Section 1.6.1 for details*/ static hf_register_info hf[] = { { &hf_fcels_opcode, {"Cmd Code", "fcels.opcode", FT_UINT8, BASE_HEX, VALS (fc_els_proto_val), 0x0, "", HFILL}}, { &hf_fcels_rjtcode, {"Reason Code", "fcels.rjt.reason", FT_UINT8, BASE_HEX, VALS (fc_els_rjt_val), 0x0, "", HFILL}}, { &hf_fcels_rjtdetcode, {"Reason Explanation", "fcels.rjt.detail", FT_UINT8, BASE_HEX, VALS (fc_els_rjt_det_val), 0x0, "", HFILL}}, { &hf_fcels_vnduniq, {"Vendor Unique", "fcels.rjt.vnduniq", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_b2b, {"B2B Credit", "fcels.logi.b2b", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_cmnfeatures, {"Common Features", "fcels.logi.cmnfeatures", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_bbscnum, {"BB_SC Number", "fcels.logi.bbscnum", FT_UINT8, BASE_DEC, NULL, 0xF0, "", HFILL}}, { &hf_fcels_rcvsize, {"Receive Size", "fcels.logi.rcvsize", FT_UINT16, BASE_DEC, NULL, 0x0FFF, "", HFILL}}, { &hf_fcels_maxconseq, {"Max Concurrent Seq", "fcels.logi.maxconseq", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_reloffset, {"Relative Offset By Info Cat", "fcels.logi.reloff", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_edtov, {"E_D_TOV", "fcels.edtov", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_npname, {"N_Port Port_Name", "fcels.npname", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_fnname, {"Fabric/Node Name", "fcels.fnname", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_cls1param, {"Class 1 Svc Param", "fcels.logi.cls1param", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_cls2param, {"Class 2 Svc Param", "fcels.logi.cls2param", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_cls3param, {"Class 3 Svc Param", "fcels.logi.cls3param", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_cls4param, {"Class 4 Svc Param", "fcels.logi.cls4param", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_vendorvers, {"Vendor Version", "fcels.logi.vendvers", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_svcavail, {"Services Availability", "fcels.logi.svcavail", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_clsflags, {"Class Flags", "fcels.logi.clsflags", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_initctl, {"Initiator Ctl", "fcels.logi.initctl", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rcptctl, {"Recipient Ctl", "fcels.logi.rcptctl", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_clsrcvsize, {"Class Recv Size", "fcels.logi.clsrcvsize", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_conseq, {"Total Concurrent Seq", "fcels.logi.totconseq", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_e2e, {"End2End Credit", "fcels.logi.e2e", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_openseq, {"Open Seq Per Exchg", "fcels.logi.openseq", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_nportid, {"Originator S_ID", "fcels.portid", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_oxid, {"OXID", "fcels.oxid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rxid, {"RXID", "fcels.rxid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_recovqual, {"Recovery Qualifier", "fcels.rcovqual", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_fabricaddr, {"Fabric Address", "fcels.faddr", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_fabricpname, {"Fabric Port Name", "fcels.fpname", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_failedrcvr, {"Failed Receiver AL_PA", "fcels.faildrcvr", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_flacompliance, {"FC-FLA Compliance", "fcels.flacompliance", FT_UINT8, BASE_HEX, VALS (fc_els_flacompliance_val), 0x0, "", HFILL}}, { &hf_fcels_loopstate, {"Loop State", "fcels.loopstate", FT_UINT8, BASE_HEX, VALS (fc_els_loopstate_val), 0x0, "", HFILL}}, { &hf_fcels_publicloop_bmap, {"Public Loop Device Bitmap", "fcels.pubdev_bmap", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_pvtloop_bmap, {"Private Loop Device Bitmap", "fcels.pvtdev_bmap", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_alpa_map, {"AL_PA Map", "fcels.alpa", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_scrregn, {"Registration Function", "fcels.scr.regn", FT_UINT8, BASE_HEX, VALS (fc_els_scr_reg_val), 0x0, "", HFILL}}, { &hf_fcels_farp_matchcodept, {"Match Address Code Points", "fcels.matchcp", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_farp_respaction, {"Responder Action", "fcels.respaction", FT_UINT8, BASE_HEX, VALS (fc_els_farp_respaction_val), 0x0, "", HFILL}}, { &hf_fcels_resportid, {"Responding Port ID", "fcels.resportid", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_respname, {"Responding Port Name", "fcels.respname", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_respnname, {"Responding Node Name", "fcels.respnname", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_reqipaddr, {"Requesting IP Address", "fcels.reqipaddr", FT_IPv6, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_respipaddr, {"Responding IP Address", "fcels.respipaddr", FT_IPv6, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_hardaddr, {"Hard Address of Originator", "fcels.hrdaddr", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rps_flag, {"Flag", "fcels.flag", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rps_portnum, {"Physical Port Number", "fcels.portnum", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rps_portstatus, {"Port Status", "fcels.portstatus", FT_UINT16, BASE_HEX, VALS(fc_els_portstatus_val), 0x0, "", HFILL}}, { &hf_fcels_rnft_fc4type, {"FC-4 Type", "fcels.rnft.fc4type", FT_UINT8, BASE_HEX, VALS (fc_fc4_val), 0x0, "", HFILL}}, { &hf_fcels_rscn_evqual, {"Event Qualifier", "fcels.rscn.evqual", FT_UINT8, BASE_HEX, VALS (fc_els_rscn_evqual_val), 0x3C, "", HFILL}}, { &hf_fcels_rscn_addrfmt, {"Address Format", "fcels.rscn.addrfmt", FT_UINT8, BASE_HEX, VALS (fc_els_rscn_addrfmt_val), 0x03, "", HFILL}}, { &hf_fcels_rscn_domain, {"Affected Domain", "fcels.rscn.domain", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rscn_area, {"Affected Area", "fcels.rscn.area", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_rscn_port, {"Affected Port", "fcels.rscn.port", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_nodeidfmt, {"Node Identification Format", "fcels.rnid.nodeidfmt", FT_UINT8, BASE_HEX, VALS (fc_els_nodeid_val), 0x0, "", HFILL}}, { &hf_fcels_spidlen, {"Specific Id Length", "fcels.rnid.spidlen", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_vendoruniq, {"Vendor Unique", "fcels.rnid.vendoruniq", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_vendorsp, {"Vendor Specific", "fcels.rnid.vendorsp", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_asstype, {"Associated Type", "fcels.rnid.asstype", FT_UINT32, BASE_HEX, VALS (fc_els_rnid_asstype_val), 0x0, "", HFILL}}, { &hf_fcels_physport, {"Physical Port Number", "fcels.rnid.physport", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_attnodes, {"Number of Attached Nodes", "fcels.rnid.attnodes", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}}, { &hf_fcels_nodemgmt, {"Node Management", "fcels.rnid.nodemgmt", FT_UINT8, BASE_HEX, VALS (fc_els_rnid_mgmt_val), 0x0, "", HFILL}}, { &hf_fcels_ipvers, {"IP Version", "fcels.rnid.ipvers", FT_UINT8, BASE_HEX, VALS (fc_els_rnid_ipvers_val), 0x0, "", HFILL}}, { &hf_fcels_tcpport, {"TCP/UDP Port Number", "fcels.rnid.tcpport", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}}, { &hf_fcels_ip, {"IP Address", "fcels.rnid.ip", FT_IPv6, BASE_HEX, NULL, 0x0, "", HFILL}}, }; static gint *ett[] = { &ett_fcels, &ett_fcels, &ett_fcels_lsrjt, &ett_fcels_acc, &ett_fcels_logi, &ett_fcels_logi_cmnsvc, &ett_fcels_logi_clssvc, &ett_fcels_logo, &ett_fcels_abtx, &ett_fcels_rsi, &ett_fcels_rrq, &ett_fcels_prli, &ett_fcels_prli_svcpg, &ett_fcels_adisc, &ett_fcels_farp, &ett_fcels_rps, &ett_fcels_rpl, &ett_fcels_rplpb, &ett_fcels_fan, &ett_fcels_rscn, &ett_fcels_rscn_rec, &ett_fcels_scr, &ett_fcels_rnft, &ett_fcels_rnft_fc4, &ett_fcels_lsts, &ett_fcels_rnid, &ett_fcels_rlir, &ett_fcels_lirr, &ett_fcels_srl, &ett_fcels_rpsc, }; /* Register the protocol name and description */ proto_fcels = proto_register_protocol("FC Extended Link Svc", "FC ELS", "els"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_fcels, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); register_init_routine (&fcels_init_protocol); } void proto_reg_handoff_fcels (void) { dissector_handle_t els_handle; els_handle = create_dissector_handle (dissect_fcels, proto_fcels); dissector_add("fc.ftype", FC_FTYPE_ELS, els_handle); data_handle = find_dissector ("data"); }