diff options
-rw-r--r-- | docbook/release-notes.asciidoc | 1 | ||||
-rw-r--r-- | epan/CMakeLists.txt | 1 | ||||
-rw-r--r-- | epan/dissectors/Makefile.common | 1 | ||||
-rw-r--r-- | epan/dissectors/packet-rpcrdma.c | 646 |
4 files changed, 649 insertions, 0 deletions
diff --git a/docbook/release-notes.asciidoc b/docbook/release-notes.asciidoc index 77940ce2d0..c49c106cd5 100644 --- a/docbook/release-notes.asciidoc +++ b/docbook/release-notes.asciidoc @@ -176,6 +176,7 @@ Thrift IP Detail Record (IPDR) Performance Co-Pilot Proxy Aeron +Network File System over Remote Direct Memory Access (NFSoRDMA) --sort-and-group-- === Updated Protocol Support diff --git a/epan/CMakeLists.txt b/epan/CMakeLists.txt index be40704eec..dbd6448012 100644 --- a/epan/CMakeLists.txt +++ b/epan/CMakeLists.txt @@ -1200,6 +1200,7 @@ set(DISSECTOR_SRC dissectors/packet-roofnet.c dissectors/packet-rpc.c dissectors/packet-rpcap.c + dissectors/packet-rpcrdma.c dissectors/packet-rpki-rtr.c dissectors/packet-rpl.c dissectors/packet-rquota.c diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common index 23907ad697..91bf816797 100644 --- a/epan/dissectors/Makefile.common +++ b/epan/dissectors/Makefile.common @@ -1113,6 +1113,7 @@ DISSECTOR_SRC = \ packet-roofnet.c \ packet-rpc.c \ packet-rpcap.c \ + packet-rpcrdma.c \ packet-rpki-rtr.c \ packet-rpl.c \ packet-rquota.c \ diff --git a/epan/dissectors/packet-rpcrdma.c b/epan/dissectors/packet-rpcrdma.c new file mode 100644 index 0000000000..04b3d42473 --- /dev/null +++ b/epan/dissectors/packet-rpcrdma.c @@ -0,0 +1,646 @@ +/* packet-rpcordma.c + * Routines for RPC over RDMA dissection (RFC 5666) + * Copyright 2014-2015, Mellanox Technologies Ltd. + * Code by Yan Burman. + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" + +#include <stdlib.h> +#include <errno.h> + +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/conversation.h> +#include <epan/addr_resolv.h> + +#include "packet-infiniband.h" + +#define MIN_RPCRDMA_HDR_SZ 16 +#define MIN_RPCRDMA_MSG_SZ (MIN_RPCRDMA_HDR_SZ + 12) +#define MIN_RPCRDMA_MSGP_SZ (MIN_RPCRDMA_MSG_SZ + 8) + +#define SID_ULP_MASK 0x00000000FF000000 +#define SID_PROTO_MASK 0x0000000000FF0000 +#define SID_PORT_MASK 0x000000000000FFFF + +#define SID_ULP 0x01 +#define SID_PROTO_TCP 0x06 +#define TCP_PORT_RPCRDMA_RANGE "20049,2050" + +#define SID_MASK (SID_ULP_MASK | SID_PROTO_MASK) +#define SID_ULP_TCP ((SID_ULP << 3 * 8) | (SID_PROTO_TCP << 2 * 8)) + +void proto_reg_handoff_rpcordma(void); +void proto_register_rpcordma(void); + +static int proto_rpcordma = -1; +static dissector_handle_t ib_handler; +static dissector_handle_t data_handler; +static dissector_handle_t rpc_handler; +static dissector_handle_t rpcordma_handler; +static int proto_ib = -1; + +/* RPCoRDMA Header */ +static int hf_rpcordma = -1; +static int hf_rpcordma_xid = -1; +static int hf_rpcordma_vers = -1; +static int hf_rpcordma_flow_control = -1; +static int hf_rpcordma_message_type = -1; + +/* chunks */ +static int hf_rpcordma_reads_count = -1; +static int hf_rpcordma_writes_count = -1; +static int hf_rpcordma_reply_count = -1; + +static int hf_rpcordma_position = -1; + +/* rdma_segment */ +static int hf_rpcordma_rdma_handle = -1; +static int hf_rpcordma_rdma_length = -1; +static int hf_rpcordma_rdma_offset = -1; + +static int hf_rpcordma_rdma_align = -1; +static int hf_rpcordma_rdma_thresh = -1; + +static int hf_rpcordma_errcode = -1; +static int hf_rpcordma_vers_high = -1; +static int hf_rpcordma_vers_low = -1; + +/* Initialize the subtree pointers */ +static gint ett_rpcordma = -1; +static gint ett_rpcordma_chunk = -1; + +/* global preferences */ +static gboolean gPREF_MAN_EN = FALSE; +static gint gPREF_TYPE[2] = {0}; +static const char *gPREF_ID[2] = {NULL}; +static guint gPREF_QP[2] = {0}; +static range_t *gPORT_RANGE; + +/* source/destination addresses from preferences menu (parsed from gPREF_TYPE[?], gPREF_ID[?]) */ +static address manual_addr[2]; +static void *manual_addr_data[2]; + +static const enum_val_t pref_address_types[] = { + {"lid", "LID", 0}, + {"gid", "GID", 1}, + {NULL, NULL, -1} +}; + +enum MSG_TYPE { + RDMA_MSG, + RDMA_NOMSG, + RDMA_MSGP, + RDMA_DONE, + RDMA_ERROR +}; + +static const value_string rpcordma_message_type[] = { + {RDMA_MSG, "RDMA_MSG"}, + {RDMA_NOMSG, "RDMA_NOMSG"}, + {RDMA_MSGP, "RDMA_MSGP"}, + {RDMA_DONE, "RDMA_DONE"}, + {RDMA_ERROR, "RDMA_ERROR"}, + {0, NULL} +}; + +#define ERR_VERS 1 +#define ERR_CHUNK 2 + +static const value_string rpcordma_err[] = { + {ERR_VERS, "ERR_VERS"}, + {ERR_CHUNK, "ERR_CHUNK"}, + {0, NULL} +}; + +static guint parse_list(tvbuff_t *tvb, guint offset, proto_tree *tree, + int hf_item, const char* msg, int have_position) +{ + proto_item *fitem; + proto_tree *ftree; + guint32 arr_len, i, val, j; + + arr_len = tvb_get_ntohl(tvb, offset); + fitem = proto_tree_add_uint_format(tree, hf_item, tvb, offset, 4, arr_len, + "%s (count: %u)", msg, arr_len); + offset += 4; + + ftree = proto_item_add_subtree(fitem, ett_rpcordma_chunk); + + for (i = 0; i < arr_len; ++i) { + val = tvb_get_ntohl(tvb, offset); + offset += 4; + for (j = 0; j < val; ++j) { + if (have_position) { + proto_tree_add_item(ftree, hf_rpcordma_position, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } + + /* xdr_rdma_segment */ + proto_tree_add_item(ftree, hf_rpcordma_rdma_handle, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(ftree, hf_rpcordma_rdma_length, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(ftree, hf_rpcordma_rdma_offset, tvb, + offset, 8, ENC_BIG_ENDIAN); + offset += 8; + } + } + + return offset; +} + +static guint parse_rdma_header(tvbuff_t *tvb, guint offset, proto_tree *tree) +{ + offset = parse_list(tvb, offset, tree, hf_rpcordma_reads_count, "Reads", 1); + offset = parse_list(tvb, offset, tree, hf_rpcordma_writes_count, "Writes", 0); + offset = parse_list(tvb, offset, tree, hf_rpcordma_reply_count, "Reply", 0); + return offset; +} + +static int get_chunk_len(tvbuff_t *tvb, guint offset, guint len, int have_position, guint *res) +{ + guint32 arr_len, i, val, j; + + arr_len = tvb_get_ntohl(tvb, offset); + offset += 4; + + for (i = 0; i < arr_len; ++i) { + if (offset + 4 > len) + return -1; + val = tvb_get_ntohl(tvb, offset); + offset += 4; + for (j = 0; j < val; ++j) { + if (have_position) + offset += 4; + /* xdr_rdma_segment */ + offset += 16; /* handle + length + offset */ + if (offset > len) + return -1; + } + } + if (offset > len) + return -1; + + *res = offset; + return 0; +} + +static int get_chunks_len(tvbuff_t *tvb, guint offset, guint len, guint *res) +{ + int ret; + + ret = get_chunk_len(tvb, offset, len, 1, res); + if (ret) + return ret; + + ret = get_chunk_len(tvb, *res, len, 0, res); + if (ret) + return ret; + + return get_chunk_len(tvb, *res, len, 0, res); +} + +/* + * We need to differentiate between RPC messages inside RDMA and regular send messages. + * In order to do that (as well as extra validation) we want to verify that for RDMA_MSG + * and RDMA_MSGP types, RPC call or RPC reply header follows. We can do this by comparing + * XID in RPC and RPCoRDMA headers. + */ +static int packet_is_rpcordma(tvbuff_t *tvb) +{ + guint len = tvb_reported_length(tvb); + guint32 xid_rpc, xid = tvb_get_ntohl(tvb, 0); + guint32 msg_type = tvb_get_ntohl(tvb, 12); + guint offset; + + switch (msg_type) { + case RDMA_MSG: + if (len < MIN_RPCRDMA_MSG_SZ) + return 0; + if (get_chunks_len(tvb, MIN_RPCRDMA_HDR_SZ, len, &offset)) + return 0; + + if (offset + 4 > len) + return 0; + xid_rpc = tvb_get_ntohl(tvb, offset); + if (xid != xid_rpc) + return 0; + break; + + case RDMA_MSGP: + if (len < MIN_RPCRDMA_MSGP_SZ) + return 0; + if (get_chunks_len(tvb, MIN_RPCRDMA_HDR_SZ + 8, len, &offset)) + return 0; + + if (offset + 4 > len) + return 0; + xid_rpc = tvb_get_ntohl(tvb, offset); + if (xid != xid_rpc) + return 0; + break; + } + + return 1; +} + +static int dissect_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + tvbuff_t *next_tvb; + /* Set up structures needed to add the protocol subtree and manage it */ + proto_item *ti; + proto_tree *rpcordma_tree; + guint offset = 0; + guint32 xid = tvb_get_ntohl(tvb, 0); + guint32 vers = tvb_get_ntohl(tvb, 4); + guint32 msg_type = tvb_get_ntohl(tvb, 12); + guint len = tvb_reported_length(tvb); + guint32 val; + + if (len < MIN_RPCRDMA_HDR_SZ) + return 0; + + if (vers != 1) + return 0; + + if (msg_type > RDMA_ERROR) + return 0; + + if (!packet_is_rpcordma(tvb)) + return call_dissector(rpc_handler, tvb, pinfo, tree); + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "RPCoRDMA"); + /* Clear out stuff in the info column */ + col_clear(pinfo->cinfo, COL_INFO); + + col_add_fstr(pinfo->cinfo, COL_INFO, "%s XID 0x%x", + val_to_str(msg_type, rpcordma_message_type, "Unknown (%d)"), xid); + + if (tree) { + /* create display subtree for the protocol */ + ti = proto_tree_add_item(tree, hf_rpcordma, tvb, 0, MIN_RPCRDMA_HDR_SZ, ENC_NA); + + rpcordma_tree = proto_item_add_subtree(ti, ett_rpcordma); + + proto_tree_add_item(rpcordma_tree, hf_rpcordma_xid, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(rpcordma_tree, hf_rpcordma_vers, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(rpcordma_tree, hf_rpcordma_flow_control, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(rpcordma_tree, hf_rpcordma_message_type, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + switch (msg_type) { + case RDMA_MSG: + /* Parse rpc_rdma_header */ + offset = parse_rdma_header(tvb, offset, rpcordma_tree); + + next_tvb = tvb_new_subset_remaining(tvb, offset); + return call_dissector(rpc_handler, next_tvb, pinfo, tree); + + case RDMA_NOMSG: + /* Parse rpc_rdma_header_nomsg */ + offset = parse_rdma_header(tvb, offset, rpcordma_tree); + break; + + case RDMA_MSGP: + /* Parse rpc_rdma_header_padded */ + proto_tree_add_item(rpcordma_tree, hf_rpcordma_rdma_align, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(rpcordma_tree, hf_rpcordma_rdma_thresh, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + offset = parse_rdma_header(tvb, offset, rpcordma_tree); + + next_tvb = tvb_new_subset_remaining(tvb, offset); + return call_dissector(rpc_handler, next_tvb, pinfo, tree); + + case RDMA_DONE: + break; + + case RDMA_ERROR: + /* rpc_rdma_errcode */ + val = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(rpcordma_tree, hf_rpcordma_errcode, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + switch (val) { + case ERR_VERS: + proto_tree_add_item(rpcordma_tree, hf_rpcordma_vers_low, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(rpcordma_tree, hf_rpcordma_vers_high, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + break; + + case ERR_CHUNK: + break; + + default: + next_tvb = tvb_new_subset_remaining(tvb, offset); + return call_dissector(data_handler, next_tvb, pinfo, tree); + } + break; + } + } + + return offset; +} + +static int +dissect_rpcordma(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + void *data _U_) +{ + return dissect_packet(tvb, pinfo, tree); +} + +static int +dissect_rpcordma_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + void *data _U_) +{ + conversation_t *conv; + conversation_infiniband_data *convo_data = NULL; + + if (gPREF_MAN_EN) { + /* If the manual settings are enabled see if this fits - in which case we can skip + the following checks entirely and go straight to dissecting */ + if ( (ADDRESSES_EQUAL(&pinfo->src, &manual_addr[0]) && + ADDRESSES_EQUAL(&pinfo->dst, &manual_addr[1]) && + (pinfo->srcport == 0xffffffff /* is unknown */ || pinfo->srcport == gPREF_QP[0]) && + (pinfo->destport == 0xffffffff /* is unknown */ || pinfo->destport == gPREF_QP[1])) || + (ADDRESSES_EQUAL(&pinfo->src, &manual_addr[1]) && + ADDRESSES_EQUAL(&pinfo->dst, &manual_addr[0]) && + (pinfo->srcport == 0xffffffff /* is unknown */ || pinfo->srcport == gPREF_QP[1]) && + (pinfo->destport == 0xffffffff /* is unknown */ || pinfo->destport == gPREF_QP[0])) ) + return dissect_packet(tvb, pinfo, tree); + } + + /* first try to find a conversation between the two current hosts. in most cases this + will not work since we do not have the source QP. this WILL succeed when we're still + in the process of CM negotiations */ + conv = find_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst, + PT_IBQP, pinfo->srcport, pinfo->destport, 0); + + if (!conv) { + /* if not, try to find an established RC channel. recall Infiniband conversations are + registered with one side of the channel. since the packet is only guaranteed to + contain the qpn of the destination, we'll use this */ + conv = find_conversation(pinfo->fd->num, &pinfo->dst, &pinfo->dst, + PT_IBQP, pinfo->destport, pinfo->destport, NO_ADDR_B|NO_PORT_B); + + if (!conv) + return 0; /* nothing to do with no conversation context */ + } + + convo_data = (conversation_infiniband_data *)conversation_get_proto_data(conv, proto_ib); + + if (!convo_data) + return 0; + + if ((convo_data->service_id & SID_MASK) != SID_ULP_TCP) + return 0; /* the service id doesn't match that of TCP ULP - nothing for us to do here */ + + if (!(value_is_in_range(gPORT_RANGE, (guint32)(convo_data->service_id & SID_PORT_MASK)))) + return 0; /* the port doesn't match that of RPCoRDMA - nothing for us to do here */ + + conv = find_or_create_conversation(pinfo); + conversation_set_dissector(conv, rpcordma_handler); + + return dissect_packet(tvb, pinfo, tree); +} + +void +proto_register_rpcordma(void) +{ + module_t *rpcordma_module; + static hf_register_info hf[] = { + { &hf_rpcordma, { + "RPCoRDMA", "rpcordma", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL} + }, + { &hf_rpcordma_xid, + { "XID", "rpcordma.xid", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + { &hf_rpcordma_vers, + { "Version", "rpcordma.version", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + { &hf_rpcordma_flow_control, + { "Flow Control", "rpcordma.flow_control", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + { &hf_rpcordma_message_type, + { "Message Type", "rpcordma.msg_type", + FT_UINT32, BASE_HEX, + VALS(rpcordma_message_type), 0x0, NULL, HFILL} + }, + { &hf_rpcordma_reads_count, + { "Read list", "rpcordma.reads_count", + FT_UINT32, BASE_DEC, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_writes_count, + { "Write list", "rpcordma.writes_count", + FT_UINT32, BASE_DEC, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_reply_count, + { "Reply list", "rpcordma.reply_count", + FT_UINT32, BASE_DEC, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_rdma_handle, + { "RDMA handle", "rpcordma.rdma_handle", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_rdma_length, + { "RDMA length", "rpcordma.rdma_length", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_rdma_offset, + { "RDMA offset", "rpcordma.rdma_offset", + FT_UINT64, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_position, + { "Postion in XDR", "rpcordma.position", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_rdma_align, + { "RDMA align", "rpcordma.rdma_align", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_rdma_thresh, + { "RDMA threshold", "rpcordma.rdma_thresh", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_errcode, + { "Error code", "rpcordma.errcode", + FT_UINT32, BASE_HEX, + VALS(rpcordma_err), 0, NULL, HFILL } + }, + { &hf_rpcordma_vers_low, + { "Version low", "rpcordma.vers_low", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + { &hf_rpcordma_vers_high, + { "Version high", "rpcordma.vers_high", + FT_UINT32, BASE_HEX, + NULL, 0, NULL, HFILL } + }, + }; + + static gint *ett[] = { + &ett_rpcordma, + &ett_rpcordma_chunk, + }; + + proto_rpcordma = proto_register_protocol ( + "RPC over RDMA", /* name */ + "RPCoRDMA", /* short name */ + "rpcordma" /* abbrev */ + ); + + proto_register_field_array(proto_rpcordma, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + /* Register preferences */ + rpcordma_module = prefs_register_protocol(proto_rpcordma, proto_reg_handoff_rpcordma); + + prefs_register_bool_preference(rpcordma_module, "manual_en", "Enable manual settings", + "Check to treat all traffic between the configured source/destination as RPCoRDMA", + &gPREF_MAN_EN); + + prefs_register_static_text_preference(rpcordma_module, "addr_a", "Address A", + "Side A of the manually-configured connection"); + prefs_register_enum_preference(rpcordma_module, "addr_a_type", "Address Type", + "Type of address specified", &gPREF_TYPE[0], pref_address_types, FALSE); + prefs_register_string_preference(rpcordma_module, "addr_a_id", "ID", + "LID/GID of address A", &gPREF_ID[0]); + prefs_register_uint_preference(rpcordma_module, "addr_a_qp", "QP Number", + "QP Number for address A", 10, &gPREF_QP[0]); + + prefs_register_static_text_preference(rpcordma_module, "addr_b", "Address B", + "Side B of the manually-configured connection"); + prefs_register_enum_preference(rpcordma_module, "addr_b_type", "Address Type", + "Type of address specified", &gPREF_TYPE[1], pref_address_types, FALSE); + prefs_register_string_preference(rpcordma_module, "addr_b_id", "ID", + "LID/GID of address B", &gPREF_ID[1]); + prefs_register_uint_preference(rpcordma_module, "addr_b_qp", "QP Number", + "QP Number for address B", 10, &gPREF_QP[1]); + + range_convert_str(&gPORT_RANGE, TCP_PORT_RPCRDMA_RANGE, MAX_TCP_PORT); + prefs_register_range_preference(rpcordma_module, + "target_ports", + "Target Ports Range", + "Range of RPCoRDNA server ports" + "(default " TCP_PORT_RPCRDMA_RANGE ")", + &gPORT_RANGE, MAX_TCP_PORT); +} + +void +proto_reg_handoff_rpcordma(void) +{ + static gboolean initialized = FALSE; + + if (!initialized) { + rpcordma_handler = new_create_dissector_handle(dissect_rpcordma, proto_rpcordma); + heur_dissector_add("infiniband.payload", dissect_rpcordma_heur, proto_rpcordma); + heur_dissector_add("infiniband.mad.cm.private", dissect_rpcordma_heur, proto_rpcordma); + + /* allocate enough space in the addresses to store the largest address (a GID) */ + manual_addr_data[0] = wmem_alloc(wmem_epan_scope(), GID_SIZE); + manual_addr_data[1] = wmem_alloc(wmem_epan_scope(), GID_SIZE); + + data_handler = find_dissector("data"); + rpc_handler = find_dissector("rpc"); + ib_handler = find_dissector("infiniband"); + proto_ib = dissector_handle_get_protocol_index(ib_handler); + + initialized = TRUE; + } + + if (gPREF_MAN_EN) { + /* the manual setting is enabled, so parse the settings into the address type */ + gboolean error_occured = FALSE; + char *not_parsed; + int i; + + for (i = 0; i < 2; i++) { + if (gPREF_TYPE[i] == 0) { /* LID */ + errno = 0; /* reset any previous error indicators */ + *((guint16*)manual_addr_data[i]) = (guint16)strtoul(gPREF_ID[i], ¬_parsed, 0); + if (errno || *not_parsed != '\0') { + error_occured = TRUE; + } else { + SET_ADDRESS(&manual_addr[i], AT_IB, sizeof(guint16), manual_addr_data[i]); + } + } else { /* GID */ + if (!str_to_ip6(gPREF_ID[i], manual_addr_data[i]) ) { + error_occured = TRUE; + } else { + SET_ADDRESS(&manual_addr[i], AT_IB, GID_SIZE, manual_addr_data[i]); + } + } + + if (error_occured) { + /* an invalid id was specified - disable manual settings until it's fixed */ + gPREF_MAN_EN = FALSE; + break; + } + } + } +} + +/* + * Editor modelines - http://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |