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wireshark/epan/dissectors/packet-netlink-generic.c

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/* packet-netlink-generic.c
* Dissector for Linux Generic Netlink.
*
* Copyright (c) 2017, Peter Wu <peter@lekensteyn.nl>
*
* 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.
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <epan/packet.h>
#include "packet-netlink.h"
/*
* Documentation:
* https://wiki.linuxfoundation.org/networking/generic_netlink_howto#message-format
* include/uapi/linux/netlink.h
* include/uapi/linux/genetlink.h
*
* For the meaning of fields in genlmsghdr, see genlmsg_put in
* net/netlink/genetlink.c, note that it has no user-specific message header
* (genl_ctrl.hdr_size==0).
*/
void proto_register_netlink_generic(void);
void proto_reg_handoff_netlink_generic(void);
typedef struct {
struct packet_netlink_data *data;
int encoding; /* copy of data->encoding */
/* Values parsed from the attributes (only valid in this packet). */
guint16 family_id;
const guint8 *family_name;
} genl_ctrl_info_t;
/* from include/uapi/linux/genetlink.h */
enum {
WS_CTRL_CMD_UNSPEC,
WS_CTRL_CMD_NEWFAMILY,
WS_CTRL_CMD_DELFAMILY,
WS_CTRL_CMD_GETFAMILY,
WS_CTRL_CMD_NEWOPS,
WS_CTRL_CMD_DELOPS,
WS_CTRL_CMD_GETOPS,
WS_CTRL_CMD_NEWMCAST_GRP,
WS_CTRL_CMD_DELMCAST_GRP,
WS_CTRL_CMD_GETMCAST_GRP,
};
enum ws_genl_ctrl_attr {
WS_CTRL_ATTR_UNSPEC,
WS_CTRL_ATTR_FAMILY_ID,
WS_CTRL_ATTR_FAMILY_NAME,
WS_CTRL_ATTR_VERSION,
WS_CTRL_ATTR_HDRSIZE,
WS_CTRL_ATTR_MAXATTR,
WS_CTRL_ATTR_OPS,
WS_CTRL_ATTR_MCAST_GROUPS,
};
enum ws_genl_ctrl_op_attr {
WS_CTRL_ATTR_OP_UNSPEC,
WS_CTRL_ATTR_OP_ID,
WS_CTRL_ATTR_OP_FLAGS,
};
enum ws_genl_ctrl_group_attr {
WS_CTRL_ATTR_MCAST_GRP_UNSPEC,
WS_CTRL_ATTR_MCAST_GRP_NAME,
WS_CTRL_ATTR_MCAST_GRP_ID,
};
#define WS_GENL_ID_CTRL 0x10
#define GENL_CTRL_NAME "nlctrl"
static const value_string genl_ctrl_cmds[] = {
{ WS_CTRL_CMD_UNSPEC, "CTRL_CMD_UNSPEC" },
{ WS_CTRL_CMD_NEWFAMILY, "CTRL_CMD_NEWFAMILY" },
{ WS_CTRL_CMD_DELFAMILY, "CTRL_CMD_DELFAMILY" },
{ WS_CTRL_CMD_GETFAMILY, "CTRL_CMD_GETFAMILY" },
{ WS_CTRL_CMD_NEWOPS, "CTRL_CMD_NEWOPS" },
{ WS_CTRL_CMD_DELOPS, "CTRL_CMD_DELOPS" },
{ WS_CTRL_CMD_GETOPS, "CTRL_CMD_GETOPS" },
{ WS_CTRL_CMD_NEWMCAST_GRP, "CTRL_CMD_NEWMCAST_GRP" },
{ WS_CTRL_CMD_DELMCAST_GRP, "CTRL_CMD_DELMCAST_GRP" },
{ WS_CTRL_CMD_GETMCAST_GRP, "CTRL_CMD_GETMCAST_GRP" },
{ 0, NULL }
};
static const value_string genl_ctrl_attr_vals[] = {
{ WS_CTRL_ATTR_UNSPEC, "CTRL_ATTR_UNSPEC" },
{ WS_CTRL_ATTR_FAMILY_ID, "CTRL_ATTR_FAMILY_ID" },
{ WS_CTRL_ATTR_FAMILY_NAME, "CTRL_ATTR_FAMILY_NAME" },
{ WS_CTRL_ATTR_VERSION, "CTRL_ATTR_VERSION" },
{ WS_CTRL_ATTR_HDRSIZE, "CTRL_ATTR_HDRSIZE" },
{ WS_CTRL_ATTR_MAXATTR, "CTRL_ATTR_MAXATTR" },
{ WS_CTRL_ATTR_OPS, "CTRL_ATTR_OPS" },
{ WS_CTRL_ATTR_MCAST_GROUPS, "CTRL_ATTR_MCAST_GROUPS" },
{ 0, NULL }
};
static const value_string genl_ctrl_op_attr_vals[] = {
{ WS_CTRL_ATTR_OP_UNSPEC, "CTRL_ATTR_OP_UNSPEC" },
{ WS_CTRL_ATTR_OP_ID, "CTRL_ATTR_OP_ID" },
{ WS_CTRL_ATTR_OP_FLAGS, "CTRL_ATTR_OP_FLAGS" },
{ 0, NULL }
};
static const value_string genl_ctrl_group_attr_vals[] = {
{ WS_CTRL_ATTR_MCAST_GRP_UNSPEC, "CTRL_ATTR_MCAST_GRP_UNSPEC" },
{ WS_CTRL_ATTR_MCAST_GRP_NAME, "CTRL_ATTR_MCAST_GRP_NAME" },
{ WS_CTRL_ATTR_MCAST_GRP_ID, "CTRL_ATTR_MCAST_GRP_ID" },
{ 0, NULL }
};
static int proto_netlink_generic;
static dissector_handle_t netlink_generic;
static dissector_handle_t netlink_generic_ctrl;
static dissector_table_t genl_dissector_table;
static header_field_info *hfi_netlink_generic = NULL;
#define NETLINK_GENERIC_HFI_INIT HFI_INIT(proto_netlink_generic)
static gint ett_netlink_generic = -1;
static gint ett_genl_ctrl_attr = -1;
static gint ett_genl_ctrl_ops = -1;
static gint ett_genl_ctrl_ops_attr = -1;
static gint ett_genl_ctrl_op_flags = -1;
static gint ett_genl_ctrl_groups = -1;
static gint ett_genl_ctrl_groups_attr = -1;
static gint ett_genl_nested_attr = -1;
/*
* Maps family IDs (integers) to family names (strings) within a capture file.
*/
static wmem_map_t *genl_family_map;
static header_field_info hfi_genl_ctrl_op_id NETLINK_GENERIC_HFI_INIT =
{ "Operation ID", "genl.ctrl.op_id", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags NETLINK_GENERIC_HFI_INIT =
{ "Operation Flags", "genl.ctrl.op_flags", FT_UINT32, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags_admin_perm NETLINK_GENERIC_HFI_INIT =
{ "GENL_ADMIN_PERM", "genl.ctrl.op_flags.admin_perm", FT_BOOLEAN, 32,
NULL, 0x01, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags_cmd_cap_do NETLINK_GENERIC_HFI_INIT =
{ "GENL_CMD_CAP_DO", "genl.ctrl.op_flags.cmd_cap_do", FT_BOOLEAN, 32,
NULL, 0x02, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags_cmd_cap_dump NETLINK_GENERIC_HFI_INIT =
{ "GENL_CMD_CAP_DUMP", "genl.ctrl.op_flags.cmd_cap_dump", FT_BOOLEAN, 32,
NULL, 0x04, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags_cmd_cap_haspol NETLINK_GENERIC_HFI_INIT =
{ "GENL_CMD_CAP_HASPOL", "genl.ctrl.op_flags.cmd_cap_haspol", FT_BOOLEAN, 32,
NULL, 0x08, NULL, HFILL };
static header_field_info hfi_genl_ctrl_op_flags_uns_admin_perm NETLINK_GENERIC_HFI_INIT =
{ "GENL_UNS_ADMIN_PERM", "genl.ctrl.op_flags.uns_admin_perm", FT_BOOLEAN, 32,
NULL, 0x10, NULL, HFILL };
static const int *genl_ctrl_op_flags_fields[] = {
&hfi_genl_ctrl_op_flags_admin_perm.id,
&hfi_genl_ctrl_op_flags_cmd_cap_do.id,
&hfi_genl_ctrl_op_flags_cmd_cap_dump.id,
&hfi_genl_ctrl_op_flags_cmd_cap_haspol.id,
&hfi_genl_ctrl_op_flags_uns_admin_perm.id,
NULL
};
static int
dissect_genl_ctrl_ops_attrs(tvbuff_t *tvb, void *data, proto_tree *tree, int nla_type, int offset, int len)
{
enum ws_genl_ctrl_op_attr type = (enum ws_genl_ctrl_op_attr) nla_type;
genl_ctrl_info_t *info = (genl_ctrl_info_t *) data;
proto_tree *ptree = proto_tree_get_parent_tree(tree);
guint32 value;
switch (type) {
case WS_CTRL_ATTR_OP_UNSPEC:
break;
case WS_CTRL_ATTR_OP_ID:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_op_id.id, tvb, offset, 4, info->encoding, &value);
proto_item_append_text(tree, ": %u", value);
proto_item_append_text(ptree, ", id=%u", value);
offset += 4;
}
break;
case WS_CTRL_ATTR_OP_FLAGS:
if (len == 4) {
guint64 op_flags;
/* XXX it would be nice if the flag names are appended to the tree */
proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hfi_genl_ctrl_op_flags.id, ett_genl_ctrl_op_flags, genl_ctrl_op_flags_fields, info->encoding, BMT_NO_FALSE, &op_flags);
proto_item_append_text(tree, ": 0x%08x", (guint32)op_flags);
proto_item_append_text(ptree, ", flags=0x%08x", (guint32)op_flags);
offset += 4;
}
break;
}
return offset;
}
static header_field_info hfi_genl_ctrl_group_name NETLINK_GENERIC_HFI_INIT =
{ "Group Name", "genl.ctrl.group_name", FT_STRINGZ, STR_ASCII,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_ctrl_group_id NETLINK_GENERIC_HFI_INIT =
{ "Group ID", "genl.ctrl.group_id", FT_UINT32, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static int
dissect_genl_ctrl_groups_attrs(tvbuff_t *tvb, void *data, proto_tree *tree, int nla_type, int offset, int len)
{
enum ws_genl_ctrl_group_attr type = (enum ws_genl_ctrl_group_attr) nla_type;
genl_ctrl_info_t *info = (genl_ctrl_info_t *) data;
proto_tree *ptree = proto_tree_get_parent_tree(tree);
guint32 value;
const guint8 *strval;
switch (type) {
case WS_CTRL_ATTR_MCAST_GRP_UNSPEC:
break;
case WS_CTRL_ATTR_MCAST_GRP_NAME:
proto_tree_add_item_ret_string(tree, hfi_genl_ctrl_group_name.id, tvb, offset, len, ENC_ASCII, wmem_packet_scope(), &strval);
proto_item_append_text(tree, ": %s", strval);
proto_item_append_text(ptree, ", name=%s", strval);
offset += len;
break;
case WS_CTRL_ATTR_MCAST_GRP_ID:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_group_id.id, tvb, offset, 4, info->encoding, &value);
proto_item_append_text(tree, ": %u", value);
proto_item_append_text(ptree, ", id=%u", value);
offset += 4;
}
break;
}
return offset;
}
static header_field_info hfi_genl_ctrl_family_id NETLINK_GENERIC_HFI_INIT =
{ "Family ID", "genl.ctrl.family_id", FT_UINT16, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_ctrl_family_name NETLINK_GENERIC_HFI_INIT =
{ "Family Name", "genl.ctrl.family_name", FT_STRINGZ, STR_ASCII,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_ctrl_version NETLINK_GENERIC_HFI_INIT =
{ "Version", "genl.ctrl.version", FT_UINT32, BASE_DEC,
NULL, 0x00, "Family-specific version number", HFILL };
static header_field_info hfi_genl_ctrl_hdrsize NETLINK_GENERIC_HFI_INIT =
{ "Header Size", "genl.ctrl.hdrsize", FT_UINT32, BASE_DEC,
NULL, 0x00, "Size of family-specific header", HFILL };
static header_field_info hfi_genl_ctrl_maxattr NETLINK_GENERIC_HFI_INIT =
{ "Maximum Attributes", "genl.ctrl.maxattr", FT_UINT32, BASE_DEC,
NULL, 0x00, "Maximum number of attributes", HFILL };
static header_field_info hfi_genl_ctrl_ops_attr NETLINK_GENERIC_HFI_INIT =
{ "Type", "genl.ctrl.ops_attr", FT_UINT16, BASE_DEC,
VALS(genl_ctrl_op_attr_vals), NLA_TYPE_MASK, NULL, HFILL };
static header_field_info hfi_genl_ctrl_groups_attr NETLINK_GENERIC_HFI_INIT =
{ "Type", "genl.ctrl.groups_attr", FT_UINT16, BASE_DEC,
VALS(genl_ctrl_group_attr_vals), NLA_TYPE_MASK, NULL, HFILL };
static int
dissect_genl_ctrl_attrs(tvbuff_t *tvb, void *data, proto_tree *tree, int nla_type, int offset, int len)
{
enum ws_genl_ctrl_attr type = (enum ws_genl_ctrl_attr) nla_type;
genl_ctrl_info_t *info = (genl_ctrl_info_t *) data;
guint32 value;
switch (type) {
case WS_CTRL_CMD_UNSPEC:
break;
case WS_CTRL_ATTR_FAMILY_ID:
if (len == 2) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_family_id.id, tvb, offset, 2, info->encoding, &value);
proto_item_append_text(tree, ": %#x", value);
info->family_id = value;
offset += 2;
}
break;
case WS_CTRL_ATTR_FAMILY_NAME:
proto_tree_add_item_ret_string(tree, hfi_genl_ctrl_family_name.id, tvb, offset, len, ENC_ASCII, wmem_packet_scope(), &info->family_name);
proto_item_append_text(tree, ": %s", info->family_name);
offset += len;
break;
case WS_CTRL_ATTR_VERSION:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_version.id, tvb, offset, 4, info->encoding, &value);
proto_item_append_text(tree, ": %u", value);
offset += 4;
}
break;
case WS_CTRL_ATTR_HDRSIZE:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_hdrsize.id, tvb, offset, 4, info->encoding, &value);
proto_item_append_text(tree, ": %u", value);
offset += 4;
}
break;
case WS_CTRL_ATTR_MAXATTR:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, hfi_genl_ctrl_maxattr.id, tvb, offset, 4, info->encoding, &value);
proto_item_append_text(tree, ": %u", value);
offset += 4;
}
break;
case WS_CTRL_ATTR_OPS:
offset = dissect_netlink_attributes_array(tvb, &hfi_genl_ctrl_ops_attr, ett_genl_ctrl_ops, ett_genl_ctrl_ops_attr, info, info->data, tree, offset, len, dissect_genl_ctrl_ops_attrs);
break;
case WS_CTRL_ATTR_MCAST_GROUPS:
offset = dissect_netlink_attributes_array(tvb, &hfi_genl_ctrl_groups_attr, ett_genl_ctrl_groups, ett_genl_ctrl_groups_attr, info, info->data, tree, offset, len, dissect_genl_ctrl_groups_attrs);
break;
}
return offset;
}
static header_field_info hfi_genl_ctrl_cmd NETLINK_GENERIC_HFI_INIT =
{ "Command", "genl.ctrl.cmd", FT_UINT8, BASE_DEC,
VALS(genl_ctrl_cmds), 0x00, "Generic Netlink command", HFILL };
static header_field_info hfi_genl_ctrl_attr NETLINK_GENERIC_HFI_INIT =
{ "Type", "genl.ctrl_attr", FT_UINT16, BASE_DEC,
VALS(genl_ctrl_attr_vals), NLA_TYPE_MASK, NULL, HFILL };
static int
dissect_genl_ctrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, void *data)
{
genl_info_t *genl_info = (genl_info_t *) data;
genl_ctrl_info_t info;
int offset;
if (!genl_info) {
return 0;
}
info.data = genl_info->data;
info.encoding = genl_info->encoding;
info.family_id = 0;
info.family_name = NULL;
offset = dissect_genl_header(tvb, genl_info, &hfi_genl_ctrl_cmd);
dissect_netlink_attributes(tvb, &hfi_genl_ctrl_attr, ett_genl_ctrl_attr, &info, info.data, genl_info->genl_tree, offset, -1, dissect_genl_ctrl_attrs);
/*
* Remember association of dynamic ID with the family name such that
* future packets can be linked to a protocol.
* Do not allow overwriting our control protocol.
*/
if (info.family_id && info.family_id != WS_GENL_ID_CTRL && info.family_name) {
wmem_map_insert(genl_family_map, GUINT_TO_POINTER(info.family_id), wmem_strdup(wmem_file_scope(), info.family_name));
}
return tvb_captured_length(tvb);
}
static header_field_info hfi_genl_family_id NETLINK_GENERIC_HFI_INIT =
{ "Family ID", "genl.family_id", FT_UINT8, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_genl_cmd NETLINK_GENERIC_HFI_INIT =
{ "Command", "genl.cmd", FT_UINT8, BASE_DEC,
NULL, 0x00, "Generic Netlink command", HFILL };
static header_field_info hfi_genl_version NETLINK_GENERIC_HFI_INIT =
{ "Family Version", "genl.version", FT_UINT8, BASE_DEC,
NULL, 0x00, "Family-specfic version", HFILL };
static header_field_info hfi_genl_reserved NETLINK_GENERIC_HFI_INIT =
{ "Reserved", "genl.reserved", FT_NONE, BASE_NONE,
NULL, 0x00, NULL, HFILL };
int dissect_genl_header(tvbuff_t *tvb, genl_info_t *genl_info, header_field_info *hfi_cmd)
{
int offset = 0;
if (!hfi_cmd) {
hfi_cmd = &hfi_genl_cmd;
}
proto_tree_add_item(genl_info->genl_tree, hfi_cmd, tvb, offset, 1, ENC_NA);
offset++;
proto_tree_add_item(genl_info->genl_tree, &hfi_genl_version, tvb, offset, 1, ENC_NA);
offset++;
proto_tree_add_item(genl_info->genl_tree, &hfi_genl_reserved, tvb, offset, 2, genl_info->encoding);
offset += 2;
return offset;
}
static int
dissect_netlink_generic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *_data)
{
struct packet_netlink_data *data = (struct packet_netlink_data *)_data;
genl_info_t info;
proto_tree *nlmsg_tree;
proto_item *pi, *pi_type;
const char *family_name;
tvbuff_t *next_tvb;
int offset = 0;
DISSECTOR_ASSERT(data && data->magic == PACKET_NETLINK_MAGIC);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Netlink generic");
col_clear(pinfo->cinfo, COL_INFO);
pi = proto_tree_add_item(tree, proto_registrar_get_nth(proto_netlink_generic), tvb, 0, -1, ENC_NA);
nlmsg_tree = proto_item_add_subtree(pi, ett_netlink_generic);
/* Netlink message header (nlmsghdr) */
offset = dissect_netlink_header(tvb, nlmsg_tree, offset, data->encoding, &hfi_genl_family_id, &pi_type);
family_name = (const char *)wmem_map_lookup(genl_family_map, GUINT_TO_POINTER(data->type));
proto_item_append_text(pi_type, " (%s)", family_name ? family_name : "Unknown");
/* Populate info from Generic Netlink message header (genlmsghdr) */
info.data = data;
info.encoding = data->encoding;
info.genl_tree = nlmsg_tree;
info.cmd = tvb_get_guint8(tvb, offset);
/* Optional user-specific message header and optional message payload. */
next_tvb = tvb_new_subset_remaining(tvb, offset);
/* Try subdissector if there is a payload. */
if (tvb_reported_length_remaining(tvb, offset + 4)) {
if (family_name) {
int ret;
/* Invoke subdissector with genlmsghdr present. */
ret = dissector_try_string(genl_dissector_table, family_name, next_tvb, pinfo, tree, &info);
if (ret) {
return ret;
}
}
}
/* No subdissector added the genl header, do it now. */
offset = dissect_genl_header(next_tvb, &info, NULL);
if (tvb_reported_length_remaining(tvb, offset)) {
next_tvb = tvb_new_subset_remaining(tvb, offset);
call_data_dissector(next_tvb, pinfo, tree);
}
return offset;
}
static void
genl_init(void)
{
/* Add fixed family entry (0x10 maps to "nlctrl"). */
wmem_map_insert(genl_family_map, GUINT_TO_POINTER(WS_GENL_ID_CTRL), GENL_CTRL_NAME);
}
void
proto_register_netlink_generic(void)
{
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
&hfi_genl_family_id,
&hfi_genl_cmd,
&hfi_genl_version,
&hfi_genl_reserved,
&hfi_genl_ctrl_attr,
/* Controller */
&hfi_genl_ctrl_cmd,
&hfi_genl_ctrl_family_id,
&hfi_genl_ctrl_family_name,
&hfi_genl_ctrl_version,
&hfi_genl_ctrl_hdrsize,
&hfi_genl_ctrl_maxattr,
&hfi_genl_ctrl_ops_attr,
&hfi_genl_ctrl_groups_attr,
&hfi_genl_ctrl_op_id,
&hfi_genl_ctrl_op_flags,
&hfi_genl_ctrl_op_flags_admin_perm,
&hfi_genl_ctrl_op_flags_cmd_cap_do,
&hfi_genl_ctrl_op_flags_cmd_cap_dump,
&hfi_genl_ctrl_op_flags_cmd_cap_haspol,
&hfi_genl_ctrl_op_flags_uns_admin_perm,
&hfi_genl_ctrl_group_name,
&hfi_genl_ctrl_group_id,
};
#endif
static gint *ett[] = {
&ett_netlink_generic,
&ett_genl_ctrl_attr,
&ett_genl_ctrl_ops,
&ett_genl_ctrl_ops_attr,
&ett_genl_ctrl_op_flags,
&ett_genl_ctrl_groups,
&ett_genl_ctrl_groups_attr,
&ett_genl_nested_attr,
};
proto_netlink_generic = proto_register_protocol("Linux Generic Netlink protocol", "genl", "genl");
hfi_netlink_generic = proto_registrar_get_nth(proto_netlink_generic);
proto_register_fields(proto_netlink_generic, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
netlink_generic = create_dissector_handle(dissect_netlink_generic, proto_netlink_generic);
netlink_generic_ctrl = create_dissector_handle(dissect_genl_ctrl, proto_netlink_generic);
genl_dissector_table = register_dissector_table(
"genl.family",
"Linux Generic Netlink family name",
proto_netlink_generic, FT_STRING,
BASE_NONE
);
genl_family_map = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), g_direct_hash, g_direct_equal);
register_init_routine(genl_init);
}
void
proto_reg_handoff_netlink_generic(void)
{
dissector_add_string("genl.family", GENL_CTRL_NAME, netlink_generic_ctrl);
dissector_add_uint("netlink.protocol", WS_NETLINK_GENERIC, netlink_generic);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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