--- /dev/null
+/* packet-lnet.c
+ * Lnet packet dissection
+ * Author: Laurent George <george@ocre.cea.fr>
+ * based on packet-agentx.c and packet-afs.c
+ * 20080903
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1999 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <time.h>
+#include <string.h>
+#include <glib.h>
+
+#include <epan/packet.h>
+#include <epan/conversation.h>
+#include <epan/prefs.h>
+#include <epan/emem.h>
+
+#include <epan/dissectors/packet-tcp.h>
+#include <epan/dissectors/packet-infiniband.h>
+
+/* How much data has at least to be available to be able to determine the
+ * length of the lnet message.
+ * Note: This is only used for TCP-based LNet packets. Not used for Infiniband.
+ */
+#define LNET_HEADER_LEN 52
+#define LNET_NID_DEST_OFFSET 24
+#define LNET_NID_SRC_OFFSET 32
+#define LNET_MSG_TYPE_OFFSET 48
+#define LNET_PTL_INDEX_OFFSET_PUT 88
+
+/* TCP ports used for LNet. */
+static guint global_lnet_tcp_port = 988;
+static guint lnet_tcp_port = 988;
+
+/* This boolean inidcates whether we are processing an Infiniband packet, or
+ TCP. */
+static guint ib_packet;
+
+void proto_reg_handoff_lnet(void);
+
+/* Define the lnet proto */
+static int proto_lnet = -1;
+
+static int hf_lnet_src_nid = -1 ;
+static int hf_lnet_src_nid_addr = -1 ;
+static int hf_lnet_src_nid_lnet_type = -1;
+static int hf_lnet_src_nid_interface = -1 ;
+
+static int hf_lnet_ksm_type = -1;
+static int hf_lnet_ksm_csum = -1;
+static int hf_lnet_ksm_zc_req_cookie = -1;
+static int hf_lnet_ksm_zc_ack_cookie = -1;
+
+static int hf_lnet_ib_magic = -1;
+static int hf_lnet_ib_version = -1;
+static int hf_lnet_ib_type = -1;
+static int hf_lnet_ib_credits = -1;
+static int hf_lnet_ib_nob = -1;
+static int hf_lnet_ib_csum = -1;
+static int hf_lnet_ib_srcstamp = -1;
+static int hf_lnet_ib_dststamp = -1;
+
+static int hf_lnet_dest_nid = -1 ;
+static int hf_lnet_dest_nid_addr = -1 ;
+static int hf_lnet_dest_nid_lnet_type = -1 ;
+static int hf_lnet_dest_nid_interface = -1 ;
+
+static int hf_lnet_dest_pid = -1 ;
+static int hf_lnet_src_pid = -1 ;
+
+static int hf_lnet_msg_type = -1 ;
+static int hf_lnet_payload_length = -1;
+static int hf_lnet_payload = -1 ;
+static int hf_lnet_msg_header = -1 ;
+static int hf_lnet_msg_filler = -1 ;
+
+static int hf_dst_wmd = -1 ;
+static int hf_dst_wmd_interface = -1 ;
+static int hf_dst_wmd_object = -1 ;
+
+static int hf_match_bits = -1 ;
+static int hf_mlength = -1 ;
+
+static int hf_hdr_data = -1 ;
+static int hf_ptl_index = -1 ;
+static int hf_offset = -1 ;
+static gint ett_lnet = -1;
+
+static int hf_src_offset = -1;
+static int hf_sink_length = -1;
+
+static int hf_hello_incarnation = -1 ;
+static int hf_hello_type = -1 ;
+
+static gint ett_lnet_dest_nid= -1;
+static gint ett_lnet_src_nid= -1;
+
+tvbuff_t *next_tvb;
+
+/* Breakdown of a NID. */
+typedef struct t_nid {
+ guint32 addr;
+ guint16 interface;
+ guint16 proto;
+} t_nid ;
+
+/*static heur_dissector_list_t heur_subdissector_list; */
+static dissector_table_t subdissector_table;
+
+static const value_string lndnames[] = {
+ { 1, "QSWLND "},
+ { 2, "SOCKLND "},
+ { 3, "GMLND "},
+ { 4, "PTLLND "},
+ { 5, "O2IBLND "},
+ { 6, "CIBLND "},
+ { 7, "OPENIBLND"},
+ { 8, "IIBLND "},
+ { 9, "LOLND "},
+ { 10,"RALND "},
+ { 11,"VIBLND "},
+ { 12,"MXLND "}
+};
+
+enum MSG_type{
+ LNET_MSG_ACK = 0,
+ LNET_MSG_PUT,
+ LNET_MSG_GET,
+ LNET_MSG_REPLY,
+ LNET_MSG_HELLO,
+} ;
+
+static const value_string lnet_msg_type_t[] = {
+ { LNET_MSG_ACK , "ACK"},
+ { LNET_MSG_PUT , "PUT"},
+ { LNET_MSG_GET , "GET"},
+ { LNET_MSG_REPLY, "REPLY"},
+ { LNET_MSG_HELLO, "HELLO"}
+};
+
+/* Port Index numbers. Defined in lustre/include/lustre/lustre_idl.h */
+static const value_string portal_indices[] = {
+ { 0 , "LNET_RESERVED_PORTAL"},
+ { 1 , "CONNMGR_REQUEST_PORTAL"},
+ { 2 , "CONNMGR_REPLY_PORTAL"},
+ { 3 , "OSC_REQUEST_PORTAL(obsolete)"},
+ { 4 , "OSC_REPLY_PORTAL"},
+ { 5 , "OSC_BULK_PORTAL(obsolete)"},
+ { 6 , "OST_IO_PORTAL"},
+ { 7 , "OST_CREATE_PORTAL"},
+ { 8 , "OST_BULK_PORTAL"},
+ { 9 , "MDC_REQUEST_PORTAL(obsolete)"},
+ { 10 , "MDC_REPLY_PORTAL"},
+ { 11 , "MDC_BULK_PORTAL(obsolete)"},
+ { 12 , "MDS_REQUEST_PORTAL"},
+ { 13 , "MDS_REPLY_PORTAL(obsolete)"},
+ { 14 , "MDS_BULK_PORTAL"},
+ { 15 , "LDLM_CB_REQUEST_PORTAL"},
+ { 16 , "LDLM_CB_REPLY_PORTAL"},
+ { 17 , "LDLM_CANCEL_REQUEST_PORTAL"},
+ { 18 , "LDLM_CANCEL_REPLY_PORTAL"},
+ { 19 , "PTLBD_REQUEST_PORTAL(obsolete)"},
+ { 20 , "PTLBD_REPLY_PORTAL(obsolete)"},
+ { 21 , "PTLBD_BULK_PORTAL(obsolete)"},
+ { 22 , "MDS_SETATTR_PORTAL"},
+ { 23 , "MDS_READPAGE_PORTAL"},
+ { 24 , "MDS_MDS_PORTAL"},
+ { 25 , "MGC_REPLY_PORTAL"},
+ { 26 , "MGS_REQUEST_PORTAL"},
+ { 27 , "MGS_REPLY_PORTAL"},
+ { 28 , "OST_REQUEST_PORTAL"},
+ { 29 , "FLD_REQUEST_PORTAL"},
+ { 30 , "SEQ_METADATA_PORTAL"},
+ { 31 , "SEQ_DATA_PORTAL"},
+ { 32 , "SEQ_CONTROLLER_PORTAL"},
+ { 33 , "MGS_BULK_PORTAL"},
+ { 50 , "SRPC_REQUEST_PORTAL"},
+ { 51 , "SRPC_FRAMEWORK_REQUEST_PORTAL"},
+ { 52 , "SRPC_RDMA_PORTAL"}
+};
+
+/* SOCKLND constants. */
+#define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */
+#define KSOCK_MSG_LNET 0xc1 /* lnet msg */
+
+static const value_string ksm_type_t[] = {
+ {0xc0, "KSOCK_MSG_NOOP"},/* ksm_u empty */
+ {0xc1, "KSOCK_MSG_LNET"} /* lnet msg */
+};
+
+/* O2IBLND constants. */
+#define LNET_PROTO_IB_MAGIC 0x0be91b91
+
+static const value_string ib_version_t[] = {
+ {0x11, "1"},
+ {0x12, "2"}
+};
+
+#define IBLND_MSG_CONNREQ 0xc0 /* connection request */
+#define IBLND_MSG_CONNACK 0xc1 /* connection acknowledge */
+#define IBLND_MSG_NOOP 0xd0 /* nothing (just credits) */
+#define IBLND_MSG_IMMEDIATE 0xd1 /* immediate */
+#define IBLND_MSG_PUT_REQ 0xd2 /* putreq (src->sink) */
+#define IBLND_MSG_PUT_NAK 0xd3 /* completion (sink->src) */
+#define IBLND_MSG_PUT_ACK 0xd4 /* putack (sink->src) */
+#define IBLND_MSG_PUT_DONE 0xd5 /* completion (src->sink) */
+#define IBLND_MSG_GET_REQ 0xd6 /* getreq (sink->src) */
+#define IBLND_MSG_GET_DONE 0xd7 /* completion (src->sink: all OK) */
+
+static const value_string ib_type_t[] = {
+ {0xc0, "IBLND_MSG_CONNREQ"},
+ {0xc1, "IBLND_MSG_CONNACK"},
+ {0xd0, "IBLND_MSG_NOOP"},
+ {0xd1, "IBLND_MSG_IMMEDIATE"},
+ {0xd2, "IBLND_MSG_PUT_REQ"},
+ {0xd3, "IBLND_MSG_PUT_NAK"},
+ {0xd4, "IBLND_MSG_PUT_ACK"},
+ {0xd5, "IBLND_MSG_PUT_DONE"},
+ {0xd6, "IBLND_MSG_GET_REQ"},
+ {0xd7, "IBLND_MSG_GET_DONE"}
+};
+
+static gboolean little_endian = TRUE;
+
+#ifndef ENABLE_STATIC
+const gchar version[] = VERSION;
+
+/* Start the functions we need for the plugin stuff */
+
+void
+plugin_register(void)
+{
+ extern void proto_register_lnet(void);
+
+ proto_register_lnet();
+}
+
+void
+plugin_reg_handoff(void)
+{
+ extern void proto_reg_handoff_lnet(void);
+
+ proto_reg_handoff_lnet();
+}
+#endif
+
+static t_nid
+get_nid(tvbuff_t *tvb, gint offset)
+{
+ t_nid nid ;
+
+ nid.addr = g_htonl(tvb_get_ipv4(tvb, offset));
+ nid.interface = tvb_get_letohs(tvb, offset + 4);
+ nid.proto = tvb_get_letohs(tvb, offset + 6);
+ return nid ;
+}
+
+static int dissect_csum(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ guint32 csum;
+ csum = tvb_get_letohl(tvb, offset);
+ if (!csum)
+ proto_tree_add_text(tree, tvb, offset, 4, "Checksum Disabled");
+ else {
+ if (ib_packet)
+ proto_tree_add_item(tree, hf_lnet_ib_csum, tvb, offset,
+ 4, little_endian);
+ else
+ proto_tree_add_item(tree, hf_lnet_ksm_csum, tvb, offset,
+ 4, little_endian);
+ }
+
+ return offset + 4;
+}
+
+
+static int dissect_req_cookie(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ guint32 req;
+ req= tvb_get_letoh64(tvb, offset);
+ if (!req)
+ proto_tree_add_text(tree, tvb, offset, 8, "Ack not required");
+ else
+ proto_tree_add_item(tree, hf_lnet_ksm_zc_req_cookie, tvb, offset, 8, little_endian);
+ return offset + 8;
+}
+
+static int dissect_ack_cookie(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ guint32 ack;
+ ack= tvb_get_letoh64(tvb, offset);
+ if (!ack)
+ proto_tree_add_text(tree, tvb, offset, 8, "Not ack");
+ else
+ proto_tree_add_item(tree, hf_lnet_ksm_zc_ack_cookie, tvb, offset, 8, little_endian);
+ return offset + 8;
+}
+
+static void
+dissect_ksock_msg_noop( tvbuff_t * tvb, packet_info *pinfo, proto_tree *tree)
+{
+ guint32 offset;
+ offset=0;
+ proto_tree_add_item(tree, hf_lnet_ksm_type, tvb, offset, 4, TRUE);offset+=4;
+ offset=dissect_csum(tvb,tree,offset);
+ offset=dissect_req_cookie(tvb, tree, offset);
+ offset=dissect_ack_cookie(tvb,tree,offset);
+}
+
+
+static int dissect_ksock_msg(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ proto_tree_add_item(tree, hf_lnet_ksm_type, tvb, offset, 4, TRUE);offset+=4;
+ offset=dissect_csum(tvb,tree,offset);
+ offset=dissect_req_cookie(tvb, tree, offset);
+ offset=dissect_ack_cookie(tvb,tree,offset);
+ return offset;
+}
+
+static int
+dissect_ib_msg(tvbuff_t *tvb, proto_tree *tree, int offset)
+{
+ /* typedef struct
+ * {
+ * __u32 ibm_magic; * I'm an ibnal message *
+ * __u16 ibm_version; * this is my version *
+
+ * __u8 ibm_type; * msg type *
+ * __u8 ibm_credits; * returned credits *
+ * __u32 ibm_nob; * # bytes in message *
+ * __u32 ibm_cksum; * checksum (0 == no
+ * checksum) *
+ * __u64 ibm_srcnid; * sender's NID *
+ * __u64 ibm_srcstamp; * sender's incarnation *
+ * __u64 ibm_dstnid; * destination's NID *
+ * __u64 ibm_dststamp; * destination's
+ * incarnation *
+
+ * union {
+ * kib_connparams_t connparams;
+ * kib_immediate_msg_t immediate;
+ * kib_putreq_msg_t putreq;
+ * kib_putack_msg_t putack;
+ * kib_get_msg_t get;
+ * kib_completion_msg_t completion;
+ * } WIRE_ATTR ibm_u;
+ *} WIRE_ATTR kib_msg_t; */
+
+ t_nid src_nid;
+ t_nid dst_nid;
+ guint8 msg_type;
+
+ proto_tree_add_item(tree, hf_lnet_ib_magic, tvb, offset, 4,
+ little_endian);
+ offset += 4;
+ proto_tree_add_item(tree, hf_lnet_ib_version, tvb, offset, 2,
+ little_endian);
+ offset += 2;
+ msg_type = tvb_get_guint8(tvb, offset);
+ proto_tree_add_item(tree, hf_lnet_ib_type, tvb, offset, 1,
+ little_endian);
+ offset += 1;
+ proto_tree_add_item(tree, hf_lnet_ib_credits, tvb, offset, 1,
+ little_endian);
+ offset += 1;
+ proto_tree_add_item(tree, hf_lnet_ib_nob, tvb, offset, 4,
+ little_endian);
+ offset += 4;
+ offset = dissect_csum(tvb, tree, offset);
+
+ src_nid = get_nid(tvb, offset);
+ proto_tree_add_text(tree, tvb, offset, 8, "src_nid = %s@tcp%d",
+ ip_to_str((guint8 *) &src_nid.addr),
+ src_nid.interface);
+ offset += 8;
+ proto_tree_add_item(tree, hf_lnet_ib_srcstamp, tvb, offset, 8,
+ little_endian);
+ offset += 8;
+
+ dst_nid = get_nid(tvb, offset);
+ proto_tree_add_text(tree, tvb, offset, 8, "dst_nid = %s@tcp%d",
+ ip_to_str((guint8 *) &dst_nid.addr),
+ dst_nid.interface);
+ offset += 8;
+ proto_tree_add_item(tree, hf_lnet_ib_dststamp, tvb,offset, 8,
+ little_endian);
+ offset += 8;
+
+ /* LNet payloads only exist when the LND msg type is IMMEDIATE.
+ Return a zero offset for all other types. */
+ return (msg_type == IBLND_MSG_IMMEDIATE) ? offset : 0;
+}
+
+static int dissect_dest_nid(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ proto_tree_add_item(tree, hf_lnet_dest_nid_addr, tvb, offset, 4, TRUE);offset+=4;
+ proto_tree_add_item(tree, hf_lnet_dest_nid_interface, tvb, offset, 2, TRUE);offset+=2;
+ proto_tree_add_item(tree, hf_lnet_dest_nid_lnet_type, tvb, offset, 2, TRUE);offset+=2;
+ return offset;
+}
+
+
+static int dissect_src_nid(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ proto_tree_add_item(tree, hf_lnet_src_nid_addr, tvb, offset, 4, TRUE);offset+=4;
+ proto_tree_add_item(tree, hf_lnet_src_nid_interface, tvb, offset, 2, TRUE);offset+=2;
+ proto_tree_add_item(tree, hf_lnet_src_nid_lnet_type, tvb, offset, 2, TRUE);offset+=2;
+ return offset;
+}
+
+static int dissect_lnet_put(tvbuff_t * tvb, proto_tree *tree, int offset, packet_info *pinfo _U_)
+{
+ /* typedef struct lnet_put {
+ lnet_handle_wire_t ack_wmd;
+ __u64 match_bits;
+ __u64 hdr_data;
+ __u32 ptl_index;
+ __u32 offset;
+ } WIRE_ATTR lnet_put_t; */
+
+ proto_tree_add_item(tree,hf_dst_wmd_interface,tvb,offset,8,little_endian); offset+=8;
+ proto_tree_add_item(tree,hf_dst_wmd_object,tvb,offset,8,little_endian);offset+=8;
+
+ proto_tree_add_item(tree,hf_match_bits,tvb,offset,8,little_endian);offset+=8;
+ proto_tree_add_item(tree,hf_hdr_data,tvb,offset,8,little_endian);offset+=8;
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ",
+ val_to_str(tvb_get_letohl(tvb, offset), portal_indices,
+ "Unknown")); /* add some nice value */
+ proto_item_append_text(tree, ", %s" , val_to_str(tvb_get_letohl(tvb,
+ offset),
+ portal_indices,
+ "Unknown"));
+ /* print ptl_index */
+ proto_tree_add_item(tree,hf_ptl_index,tvb,offset,4,little_endian);offset+=4;
+ proto_tree_add_item(tree,hf_offset,tvb,offset,4,little_endian);offset+=4;
+ return offset ;
+}
+
+static int dissect_lnet_get(tvbuff_t * tvb, proto_tree *tree, int offset, packet_info *pinfo _U_)
+{
+ /* typedef struct lnet_get {
+ lnet_handle_wire_t return_wmd;
+ __u64 match_bits;
+ __u32 ptl_index;
+ __u32 src_offset;
+ __u32 sink_length;
+ } WIRE_ATTR lnet_get_t; */
+
+ proto_tree_add_item(tree,hf_dst_wmd_interface,tvb,offset,8,little_endian);offset+=8;
+ proto_tree_add_item(tree,hf_dst_wmd_object,tvb,offset,8,little_endian);offset+=8;
+ /*if (check_col(pinfo->cinfo, COL_INFO))*/
+ /* col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, " %" G_GINT64_MODIFIER "u ", tvb_get_letoh64(tvb,offset) );*/
+
+ proto_tree_add_item(tree,hf_match_bits,tvb,offset,8,little_endian);offset+=8;
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", val_to_str(tvb_get_letohl(tvb,offset), portal_indices, "Unknown"));
+ proto_item_append_text(tree, ", %s" , val_to_str(tvb_get_letohl(tvb,offset), portal_indices, "Unknown"));
+ proto_tree_add_item(tree,hf_ptl_index,tvb,offset,4,little_endian);offset+=4;
+ proto_tree_add_item(tree,hf_src_offset,tvb,offset,4,little_endian);offset+=4;
+ proto_tree_add_item(tree,hf_sink_length,tvb,offset,4,little_endian);offset+=4;
+ return offset;
+}
+
+static int dissect_lnet_reply(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ /* typedef struct lnet_reply {
+ lnet_handle_wire_t dst_wmd;
+ } WIRE_ATTR lnet_reply_t; */
+
+ proto_tree_add_item(tree,hf_dst_wmd_interface,tvb,offset,8,little_endian);offset+=8;
+ proto_tree_add_item(tree,hf_dst_wmd_object,tvb,offset,8,little_endian);offset+=8;
+
+ return offset;
+}
+
+
+static int dissect_lnet_hello(tvbuff_t * tvb, proto_tree *tree, int offset)
+{
+ /* typedef struct lnet_hello {
+ __u64 incarnation;
+ __u32 type;
+ } WIRE_ATTR lnet_hello_t; */
+
+ proto_tree_add_item(tree,hf_hello_incarnation,tvb,offset,8,little_endian); offset+=8;
+ proto_tree_add_item(tree,hf_hello_type,tvb,offset,4,little_endian); offset+=4;
+ return offset;
+}
+
+static int dissect_lnet_ack(tvbuff_t * tvb, proto_tree *tree, int offset, packet_info *pinfo _U_)
+{
+ /* typedef struct lnet_ack {
+ lnet_handle_wire_t dst_wmd;
+ __u64 match_bits;
+ __u32 mlength;
+ } WIRE_ATTR lnet_ack_t; */
+
+ proto_tree_add_item(tree,hf_dst_wmd_interface,tvb,offset,8,TRUE); offset+=8;
+ proto_tree_add_item(tree,hf_dst_wmd_object,tvb,offset,8,TRUE);offset+=8;
+ proto_tree_add_item(tree,hf_match_bits,tvb,offset,8, little_endian);offset+=8;
+ proto_tree_add_item(tree,hf_mlength, tvb,offset,4, little_endian); offset+=4;
+ return offset ;
+}
+
+static void dissect_lnet_message(tvbuff_t * tvb, packet_info *pinfo, proto_tree *tree);
+
+/* The next two length getting routines are only used for KSOCK LNK messages. */
+static guint
+get_lnet_message_len(packet_info __attribute__((__unused__))*pinfo, tvbuff_t *tvb, int offset)
+{
+ guint32 plen;
+
+ /* Get the payload length */
+ plen = tvb_get_letohl(tvb,offset+28+24); /* 24 = ksm header,
+ 28 = the rest of the
+ headers */
+
+ /* That length doesn't include the header; add that in. */
+ return plen + 72 +24 ; /* +24 == ksock msg header.. :D */
+
+}
+
+static guint
+get_noop_message_len(packet_info __attribute__((__unused__))*pinfo, tvbuff_t *tvb, int offset)
+{
+ return 24;
+}
+
+static void
+dissect_lnet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ /* TODO : correct this, now we do a difference between packet with
+ NOOP and others .. but I don't find how to use pdu_dissect with
+ a variable length<=LNET_HEADER_LEN */
+ ib_packet = 0;
+ switch(tvb_get_letohl(tvb,0)){
+ case KSOCK_MSG_NOOP:
+ /*g_print("ksock noop %d \n", pinfo->fd->num);*/
+ tcp_dissect_pdus(tvb,pinfo,tree,TRUE,0, get_noop_message_len,dissect_ksock_msg_noop);
+ break;
+ case KSOCK_MSG_LNET:
+ tcp_dissect_pdus(tvb,pinfo,tree,TRUE,LNET_HEADER_LEN, get_lnet_message_len,dissect_lnet_message);
+ break;
+ }
+
+}
+
+static int
+dissect_ib_lnet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ /* We can tell if this is an LNet payload by looking at the first
+ * 32-bit word for our magic number. */
+ if (tvb_get_letohl(tvb, 0) != LNET_PROTO_IB_MAGIC) {
+ /* Not an LNet payload. */
+ return 0;
+ }
+
+ ib_packet = 1;
+ dissect_lnet_message(tvb, pinfo, tree);
+ return tvb_length(tvb);
+}
+
+/*----------------------------------------------------------- */
+/* For the conversation */
+
+typedef struct {
+ guint64 match_bits;
+} my_entry_t;
+
+
+typedef struct lnet_request_key {
+ guint64 match_bits ;
+ guint32 conversation;
+} lnet_request_key_t;
+
+typedef struct lnet_request_val {
+ guint64 match_bits;
+ guint32 packet_num_parent;
+} lnet_request_val_t;
+
+
+static GHashTable *lnet_request_hash;
+
+/*
+ * Hash Functions
+ */
+static gint
+lnet_equal(gconstpointer v, gconstpointer w)
+{
+ const struct lnet_request_key *v1 = (const struct lnet_request_key *)v;
+ const struct lnet_request_key *v2 = (const struct lnet_request_key *)w;
+
+ if (v1 -> conversation == v2 -> conversation &&
+ v1 -> match_bits == v2 -> match_bits)
+ {
+
+ return 1;
+ }
+
+ return 0;
+}
+
+static guint
+lnet_hash (gconstpointer v)
+{
+ const struct lnet_request_key *key = (const struct lnet_request_key *)v;
+ return key -> conversation + key -> match_bits;
+}
+
+
+static void
+lnet_init_protocol(void)
+{
+ if (lnet_request_hash)
+ g_hash_table_destroy(lnet_request_hash);
+
+ lnet_request_hash = g_hash_table_new(lnet_hash, lnet_equal);
+}
+
+
+static lnet_request_val_t*
+get_lnet_conv(packet_info * pinfo , GHashTable * lnet_hash_table, guint64 match_bits )
+{
+ conversation_t * conversation ;
+ lnet_request_key_t request_key, *new_request_key;
+ lnet_request_val_t *request_val=NULL ;
+
+ conversation = find_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
+
+
+ if (NULL == conversation)
+ /* It's not part of any conversation - create a new one. */
+ conversation = conversation_new(pinfo->fd->num, &pinfo->src, &pinfo->dst, proto_lnet,
+ pinfo->srcport, pinfo->destport, 0);
+
+ request_key.conversation = conversation->index;
+ request_key.match_bits = match_bits;
+
+ request_val = (struct lnet_request_val * ) g_hash_table_lookup(lnet_hash_table, &request_key);
+ if(!request_val){
+ new_request_key = se_alloc(sizeof(struct lnet_request_key));
+ *new_request_key = request_key;
+ request_val = se_alloc(sizeof(struct lnet_request_val));
+ request_val -> match_bits = match_bits;
+ request_val -> packet_num_parent = pinfo->fd->num ;
+ /*request_val -> filename = "test" ; */
+ g_hash_table_insert(lnet_hash_table, new_request_key, request_val);
+
+ }
+
+ return request_val ;
+
+}
+
+
+
+/*----------------------------------------------------------- */
+static void
+dissect_lnet_message(tvbuff_t * tvb, packet_info *pinfo, proto_tree *tree)
+{
+
+ guint64 match;
+ guint32 msg_type;
+
+ lnet_request_val_t* conversation_val ;
+
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "Lnet");
+ }
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ /* t_nid dest_nid ; */
+ /*t_nid src_nid ; */
+ /*guint32 msg_type;*/
+ /*[> col_clear(pinfo->cinfo, COL_INFO); <]*/
+ /*dest_nid = get_nid(tvb, LNET_NID_DEST_OFFSET);*/
+ /*src_nid = get_nid(tvb, LNET_NID_SRC_OFFSET);*/
+
+ /*[> col_add_fstr(pinfo->cinfo, COL_INFO, "%s@tcp%d > %s@tcp%d",
+ ip_to_str((guint8 *) &src_nid.addr), src_nid.interface,
+ ip_to_str((guint8 *) & dest_nid.addr), dest_nid.interface); */
+
+ msg_type = tvb_get_letohl(tvb, LNET_MSG_TYPE_OFFSET );
+ /* We delete the entire line and add LNET + msg_type */
+ col_add_fstr(pinfo->cinfo, COL_INFO, "LNET_%s", (msg_type < sizeof(lnet_msg_type_t)/sizeof(value_string)) ? lnet_msg_type_t[msg_type].strptr : "Unknown");
+ }
+
+ if (tree) {
+ t_nid dest_nid ; /* nid value */
+ t_nid src_nid ;
+
+
+ proto_item *ti = NULL; /* principal node */
+ proto_tree *lnet_tree = NULL ; /* principal tree */
+ proto_tree *lnet_nid_src_tree= NULL ; /*subtree for the nids*/
+ proto_tree *lnet_nid_dest_tree= NULL ;
+ proto_item *ti_src_nid ; /* node for the nids */
+ proto_item *ti_dest_nid ;
+
+ gint offset = 0 ;
+
+ guint32 msg_type ;
+ guint32 payload_length;
+ guint32 msg_filler_length;
+
+
+ ti = proto_tree_add_item(tree,proto_lnet,tvb,0,-1,FALSE); /* principal node */
+ /* ti=proto_tree_add_protocol_format(tree, proto_lnet, tvb, 0, -1, "Lnet"); */
+
+ lnet_tree = proto_item_add_subtree(ti,ett_lnet); /* add the subtree*/
+
+ if (ib_packet) {
+ offset = dissect_ib_msg(tvb, lnet_tree, offset);
+ if (offset == 0) {
+ /* There was no LNet payload, only ob2lnd. */
+ return;
+ }
+ } else {
+ /* dissect the first 24 bytes (ksock_msg_t in
+ lnet/socklnd.h */
+ offset=dissect_ksock_msg(tvb,lnet_tree,offset);
+ }
+
+ /* Dest nid */
+ dest_nid = get_nid(tvb, offset);
+ ti_dest_nid = proto_tree_add_text(lnet_tree, tvb, offset, 8, "dest_nid = %s@tcp%d", ip_to_str((guint8 *) &dest_nid.addr), dest_nid.interface);
+ lnet_nid_dest_tree = proto_item_add_subtree(ti_dest_nid,ett_lnet_dest_nid) ;
+ offset=dissect_dest_nid(tvb,lnet_nid_dest_tree,offset);
+
+ /* Same for src_nid */
+ src_nid = get_nid(tvb, offset);
+ ti_src_nid = proto_tree_add_text(lnet_tree, tvb, offset, 8, "src_nid = %s@tcp%d", ip_to_str((guint8 *) &src_nid.addr), src_nid.interface);
+ lnet_nid_src_tree = proto_item_add_subtree(ti_src_nid,ett_lnet_src_nid) ;
+ offset=dissect_src_nid(tvb,lnet_nid_src_tree,offset);
+
+ /* pid */
+ proto_tree_add_item(lnet_tree, hf_lnet_src_pid, tvb, offset, 4, TRUE); offset+=4;
+ proto_tree_add_item(lnet_tree, hf_lnet_dest_pid, tvb, offset, 4, TRUE); offset+=4;
+
+ /* message_type (32 bits) */
+ msg_type = tvb_get_letohl(tvb, offset+0);
+ /* put some nice info on lnet line */
+ proto_item_append_text(ti," %s", (msg_type < sizeof(lnet_msg_type_t)/sizeof(value_string)) ? lnet_msg_type_t[msg_type].strptr : "Unknow") ; /* rajout de l'info dans l'arbre */
+ proto_tree_add_item(lnet_tree, hf_lnet_msg_type, tvb, offset, 4, TRUE); offset+=4;
+
+ /* payload data (to follow) length :*/
+ payload_length = tvb_get_letohl(tvb,offset+0);
+ proto_tree_add_item(lnet_tree, hf_lnet_payload_length, tvb, offset, 4, TRUE); offset+=4;
+
+ /* here offset = 24+8+8+4+4+4+4 = 56 */
+ match = 0 ;
+ switch(msg_type) {
+ case LNET_MSG_ACK:
+ offset=dissect_lnet_ack(tvb,lnet_tree,offset,pinfo);
+ match = tvb_get_letoh64(tvb,72 );
+ break;
+ case LNET_MSG_PUT:
+ offset=dissect_lnet_put(tvb,lnet_tree,offset,pinfo);
+ match = tvb_get_letoh64(tvb, 72);
+ break;
+ case LNET_MSG_GET:
+ offset=dissect_lnet_get(tvb,lnet_tree,offset,pinfo);
+ match = tvb_get_letoh64(tvb, 72);
+ break;
+ case LNET_MSG_REPLY:
+ offset=dissect_lnet_reply(tvb,lnet_tree,offset);
+ break;
+ case LNET_MSG_HELLO:
+ offset=dissect_lnet_hello(tvb,lnet_tree,offset);
+ break;
+ default:
+ break;
+ }
+
+
+ conversation_val = get_lnet_conv(pinfo , lnet_request_hash, match );
+ /* proto_tree_add_text(tree, tvb, 0 , 0, "match = %" G_GINT64_MODIFIER "u parent = %d", conversation_val -> match_bits , conversation_val -> packet_num_parent); */
+
+
+ /* padding */
+ msg_filler_length = 72 - offset + 24 ;
+ if ( msg_filler_length > 72)
+ return ;
+ /* +24 : ksosck_message take 24bytes, and allready in offset */
+
+ proto_tree_add_item(lnet_tree, hf_lnet_msg_filler, tvb, offset,
+ msg_filler_length, little_endian);
+ offset+=msg_filler_length;
+
+ if (payload_length>0)
+ {
+
+ /* display of payload */
+ proto_tree_add_item(lnet_tree, hf_lnet_payload, tvb,
+ offset, payload_length,
+ little_endian);
+
+ next_tvb = tvb_new_subset (tvb, offset, payload_length, payload_length);
+ if(msg_type==LNET_MSG_PUT)
+ dissector_try_port(subdissector_table, tvb_get_letohl(tvb,LNET_PTL_INDEX_OFFSET_PUT), next_tvb, pinfo, tree);
+
+ }
+
+ offset+=payload_length;
+ }
+}
+
+void
+proto_register_lnet(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_lnet_ksm_type ,
+ { "Type of socklnd message" , "lnet.ksm_type" , FT_UINT32 , BASE_HEX , VALS(ksm_type_t) , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_ksm_csum ,
+ { "Checksum" , "lnet.ksm_csum" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_ksm_zc_req_cookie ,
+ { "Ack required" , "lnet.ksm_zc_req_cookie" , FT_UINT64 , BASE_HEX , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_ksm_zc_ack_cookie ,
+ { "Ack" , "lnet.ksm_zc_ack_cookie" , FT_UINT64 , BASE_HEX , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_ib_magic,
+ { "Magic of IB message", "lnet.ib.magic", FT_UINT32,
+ BASE_HEX, NULL, 0x0, "", HFILL} },
+ { &hf_lnet_ib_version,
+ { "Version", "lnet.ib.version", FT_UINT16, BASE_HEX,
+ VALS(ib_version_t), 0x0, "", HFILL} },
+ { &hf_lnet_ib_type,
+ { "Type of IB message", "lnet.ib.type", FT_UINT8,
+ BASE_HEX, VALS(ib_type_t), 0x0, "", HFILL} },
+ { &hf_lnet_ib_credits,
+ { "Returned Credits", "lnet.ib.credits", FT_UINT8,
+ BASE_DEC, NULL, 0x0, "", HFILL} },
+ { &hf_lnet_ib_nob,
+ { "Number of Bytes", "lnet.ib.nob", FT_UINT32,
+ BASE_DEC, NULL, 0x0, "", HFILL} },
+ { &hf_lnet_ib_csum,
+ { "Checksum", "lnet.ib_csum", FT_UINT32, BASE_DEC,
+ NULL, 0x0, "", HFILL} },
+ { &hf_lnet_ib_srcstamp,
+ { "Sender Timestamp", "lnet.ib.srcstamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0,
+ "", HFILL} },
+ { &hf_lnet_ib_dststamp,
+ { "Destination Timestamp", "lnet.ib.dststamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0,
+ "", HFILL} },
+
+ { &hf_lnet_src_nid ,
+ { "Src nid" , "lnet.src_nid" , FT_UINT64 , BASE_HEX , NULL , 0x0 , "src nid" , HFILL }} ,
+ { &hf_lnet_src_nid_addr ,
+ { "Src nid" , "lnet.src_nid_addr" , FT_IPv4 , BASE_NONE , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_src_nid_lnet_type ,
+ { "lnd network type" , "lnet.src_nid_type" , FT_UINT16 , BASE_DEC , VALS(lndnames) , 0x0 , "" , HFILL} },
+ { &hf_lnet_src_nid_interface ,
+ { "lnd network interface" , "lnet.src_nid_net_interface" , FT_UINT16 , BASE_DEC , NULL , 0x0 , NULL , HFILL }} ,
+
+ { &hf_lnet_dest_nid ,
+ { "Dest nid" , "lnet.dest_nid" , FT_UINT64 , BASE_HEX , NULL , 0x0 , "" , HFILL }} ,
+
+ { &hf_lnet_dest_nid_addr ,
+ { "Destination nid" , "lnet.dest_nid_addr" , FT_IPv4 , BASE_NONE , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_dest_nid_lnet_type ,
+ { "lnd network type" , "lnet.dest_nid_type" , FT_UINT16 , BASE_DEC , VALS(lndnames) , 0x0 , "" , HFILL} },
+ { &hf_lnet_dest_nid_interface ,
+ { "lnd network interface" , "lnet.dest_nid_net_interface" , FT_UINT16 , BASE_DEC , NULL , 0x0 , NULL , HFILL }} ,
+
+ { &hf_lnet_dest_pid ,
+ { "Dest pid" , "lnet.dest_pid" , FT_UINT32 , BASE_DEC_HEX , NULL , 0x0 , "dest pid" , HFILL }} ,
+ { &hf_lnet_src_pid ,
+ { "Src pid" , "lnet.src_pid" , FT_UINT32 , BASE_DEC_HEX , NULL , 0x0 , "src nid" , HFILL }} ,
+
+ { &hf_lnet_msg_type ,
+ { "Message type" , "lnet.msg_type" , FT_UINT32 , BASE_DEC , VALS(lnet_msg_type_t) , 0x0 , "msg type" , HFILL }} ,
+ { &hf_lnet_payload_length ,
+ { "Payload length" , "lnet.payload_length" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_lnet_payload ,
+ { "Payload" , "lnet.payload" , FT_NONE , BASE_NONE , NULL , 0x0 , "" , HFILL }} ,
+
+ {&hf_dst_wmd ,
+ { "DST MD index " , "lnet.msg_dst_cookie" , FT_BYTES , BASE_NONE , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_dst_wmd_interface ,
+ { "DST MD index interface" , "lnet.msg_dst_inteface_cookie" , FT_UINT64 , BASE_HEX_DEC , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_dst_wmd_object ,
+ { "DST MD index object" , "lnet.msg_dst_object_cookie" , FT_UINT64 , BASE_HEX_DEC , NULL , 0x0 , "" , HFILL }} ,
+ { &hf_match_bits ,
+ { "Match bits" , "lnet.msg_dst_match_bits" , FT_UINT64 , BASE_HEX_DEC , NULL , 0x0 , "" , HFILL}} ,
+ { &hf_mlength ,
+ { "Message length" , "lnet.msg_length" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL}} ,
+
+
+ /* Put */
+ { &hf_hdr_data ,
+ { "hdr data" , "lnet.msg_hdr_data" , FT_UINT64 , BASE_HEX_DEC , NULL , 0x0 , "" , HFILL}} ,
+ { &hf_ptl_index ,
+ { "ptl index" , "lnet.ptl_index" , FT_UINT32 , BASE_DEC , VALS(portal_indices) , 0x0 , "" , HFILL}} ,
+ { &hf_offset ,
+ { "offset" , "lnet.offset" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL}} ,
+
+ /* Get*/
+ { &hf_src_offset ,
+ { "src offset" , "lnet.src_offset" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL}} ,
+ { &hf_sink_length ,
+ { "sink length" , "lnet.sink_length" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL}} ,
+
+ /* Hello*/
+ { &hf_hello_incarnation ,
+ { "hello incarnation " , "lnet.hello_incarnation" , FT_UINT64 , BASE_HEX_DEC , NULL , 0x0 , "" , HFILL}} ,
+ { &hf_hello_type ,
+ { "hello type" , "lnet.hello_type" , FT_UINT32 , BASE_DEC , NULL , 0x0 , "" , HFILL}} ,
+
+ { &hf_lnet_msg_header ,
+ { "ptl header" , "lnet.ptl_header" , FT_NONE , BASE_NONE , NULL , 0x0 , "" , HFILL}} ,
+
+ { &hf_lnet_msg_filler ,
+ { "msg filler (padding)" , "lnet.ptl_filler" , FT_NONE , BASE_NONE , NULL , 0x0 , "" , HFILL}} ,
+
+ /* Add more fields here */
+ };
+
+ static gint *ett[] = {
+ &ett_lnet,
+ &ett_lnet_dest_nid,
+ &ett_lnet_src_nid
+ };
+
+
+ module_t *lnet_module;
+
+ proto_lnet = proto_register_protocol("Lnet", /*name*/
+ "Lnet", /*short name*/
+ "lnet"); /*abbrev*/
+
+ proto_register_field_array(proto_lnet, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ lnet_module = prefs_register_protocol(proto_lnet, proto_reg_handoff_lnet);
+
+ prefs_register_uint_preference(lnet_module, "tcp.lnet_port",
+ "Lnet listener TCP Port",
+ "Set the TCP port for Lnet"
+ "(if other than the default of 988)",
+ 10, &global_lnet_tcp_port);
+
+ subdissector_table = register_dissector_table("lnet.ptl_index", "lnet portal index", FT_UINT32 , BASE_DEC);
+
+ register_init_routine(&lnet_init_protocol);
+
+}
+
+
+/* The registration hand-off routine */
+void
+proto_reg_handoff_lnet(void)
+{
+ static int lnet_prefs_initialized = FALSE;
+ static dissector_handle_t lnet_handle;
+
+ if(!lnet_prefs_initialized) {
+ heur_dissector_add("infiniband.payload", dissect_ib_lnet,
+ proto_lnet);
+ heur_dissector_add("infiniband.mad.cm.private",
+ dissect_ib_lnet, proto_lnet);
+ lnet_handle = create_dissector_handle(dissect_lnet, proto_lnet);
+ lnet_prefs_initialized = TRUE;
+ }
+ else
+ dissector_delete("tcp.port",global_lnet_tcp_port, lnet_handle);
+
+ lnet_tcp_port = global_lnet_tcp_port;
+
+ dissector_add("tcp.port", lnet_tcp_port, lnet_handle);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff