/* packet-lnet.c * Lnet packet dissection * Author: Laurent George * based on packet-agentx.c and packet-afs.c * 20080903 * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include #include #include #include #include #include #include #include #include #include #include /* 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); }