osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity
wireshark/epan/dissectors/packet-netlink-route.c

1585 lines
58 KiB
C
Raw Blame History

/* packet-netlink-route.c
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* man 7 rtnetlink */
#define NEW_PROTO_TREE_API
#include "config.h"
#include <epan/packet.h>
#include <epan/aftypes.h>
#include <epan/to_str.h>
#include "packet-arp.h"
#include "packet-netlink.h"
void proto_register_netlink_route(void);
void proto_reg_handoff_netlink_route(void);
struct netlink_route_info {
packet_info *pinfo;
gboolean legacy;
};
enum {
/* rtnetlink values for nlmsghdr.nlmsg_type from <include/uapi/linux/rtnetlink.h> */
WS_RTM_NEWLINK = 16,
WS_RTM_DELLINK = 17,
WS_RTM_GETLINK = 18,
WS_RTM_SETLINK = 19,
WS_RTM_NEWADDR = 20,
WS_RTM_DELADDR = 21,
WS_RTM_GETADDR = 22,
WS_RTM_NEWROUTE = 24,
WS_RTM_DELROUTE = 25,
WS_RTM_GETROUTE = 26,
WS_RTM_NEWNEIGH = 28,
WS_RTM_DELNEIGH = 29,
WS_RTM_GETNEIGH = 30,
WS_RTM_NEWRULE = 32,
WS_RTM_DELRULE = 33,
WS_RTM_GETRULE = 34,
WS_RTM_NEWQDISC = 36,
WS_RTM_DELQDISC = 37,
WS_RTM_GETQDISC = 38,
WS_RTM_NEWTCLASS = 40,
WS_RTM_DELTCLASS = 41,
WS_RTM_GETTCLASS = 42,
WS_RTM_NEWTFILTER = 44,
WS_RTM_DELTFILTER = 45,
WS_RTM_GETTFILTER = 46,
WS_RTM_NEWACTION = 48,
WS_RTM_DELACTION = 49,
WS_RTM_GETACTION = 50,
WS_RTM_NEWPREFIX = 52,
WS_RTM_GETMULTICAST = 58,
WS_RTM_GETANYCAST = 62,
WS_RTM_NEWNEIGHTBL = 64,
WS_RTM_GETNEIGHTBL = 66,
WS_RTM_SETNEIGHTBL = 67,
WS_RTM_NEWNDUSEROPT = 68,
WS_RTM_NEWADDRLABEL = 72,
WS_RTM_DELADDRLABEL = 73,
WS_RTM_GETADDRLABEL = 74,
WS_RTM_GETDCB = 78,
WS_RTM_SETDCB = 79,
WS_RTM_NEWNETCONF = 80,
WS_RTM_DELNETCONF = 81,
WS_RTM_GETNETCONF = 82,
WS_RTM_NEWMDB = 84,
WS_RTM_DELMDB = 85,
WS_RTM_GETMDB = 86,
WS_RTM_NEWNSID = 88,
WS_RTM_DELNSID = 89,
WS_RTM_GETNSID = 90,
WS_RTM_NEWSTATS = 92,
WS_RTM_GETSTATS = 94,
WS_RTM_NEWCACHEREPORT = 96,
WS_RTM_NEWCHAIN = 100,
WS_RTM_DELCHAIN = 101,
WS_RTM_GETCHAIN = 102,
WS_RTM_NEWNEXTHOP = 104,
WS_RTM_DELNEXTHOP = 105,
WS_RTM_GETNEXTHOP = 106,
};
/* values for rta_type (network interface) from </include/uapi/linux/if_link.h> */
enum ws_ifla_attr_type {
WS_IFLA_UNSPEC = 0,
WS_IFLA_ADDRESS = 1,
WS_IFLA_BROADCAST = 2,
WS_IFLA_IFNAME = 3,
WS_IFLA_MTU = 4,
WS_IFLA_LINK = 5,
WS_IFLA_QDISC = 6,
WS_IFLA_STATS = 7,
WS_IFLA_COST = 8,
WS_IFLA_PRIORITY = 9,
WS_IFLA_MASTER = 10,
WS_IFLA_WIRELESS = 11,
WS_IFLA_PROTINFO = 12,
WS_IFLA_TXQLEN = 13,
WS_IFLA_MAP = 14,
WS_IFLA_WEIGHT = 15,
WS_IFLA_OPERSTATE = 16,
WS_IFLA_LINKMODE = 17,
WS_IFLA_LINKINFO = 18,
WS_IFLA_NET_NS_PID = 19,
WS_IFLA_IFALIAS = 20,
WS_IFLA_NUM_VF = 21,
WS_IFLA_VFINFO_LIST = 22,
WS_IFLA_STATS64 = 23,
WS_IFLA_VF_PORTS = 24,
WS_IFLA_PORT_SELF = 25,
WS_IFLA_AF_SPEC = 26,
WS_IFLA_GROUP = 27,
WS_IFLA_NET_NS_FD = 28,
WS_IFLA_EXT_MASK = 29,
WS_IFLA_PROMISCUITY = 30,
WS_IFLA_NUM_TX_QUEUES = 31,
WS_IFLA_NUM_RX_QUEUES = 32,
WS_IFLA_CARRIER = 33,
WS_IFLA_PHYS_PORT_ID = 34,
WS_IFLA_CARRIER_CHANGES = 35,
WS_IFLA_PHYS_SWITCH_ID = 36,
WS_IFLA_LINK_NETNSID = 37,
WS_IFLA_PHYS_PORT_NAME = 38,
WS_IFLA_PROTO_DOWN = 39,
WS_IFLA_GSO_MAX_SEGS = 40,
WS_IFLA_GSO_MAX_SIZE = 41,
WS_IFLA_PAD = 42,
WS_IFLA_XDP = 43,
WS_IFLA_EVENT = 44,
WS_IFLA_NEW_NETNSID = 45,
WS_IFLA_IF_NETNSID = 46,
WS_IFLA_CARRIER_UP_COUNT = 47,
WS_IFLA_CARRIER_DOWN_COUNT = 48,
WS_IFLA_NEW_IFINDEX = 49,
WS_IFLA_MIN_MTU = 50,
WS_IFLA_MAX_MTU = 51,
};
/* values for rta_type (ip address) from <include/uapi/linux/if_addr.h> */
enum ws_ifa_attr_type {
WS_IFA_UNSPEC = 0,
WS_IFA_ADDRESS = 1,
WS_IFA_LOCAL = 2,
WS_IFA_LABEL = 3,
WS_IFA_BROADCAST = 4,
WS_IFA_ANYCAST = 5,
WS_IFA_CACHEINFO = 6,
WS_IFA_MULTICAST = 7,
WS_IFA_FLAGS = 8,
WS_IFA_RT_PRIORITY = 9,
WS_IFA_TARGET_NETNSID = 10,
};
/* values for rta_type (route) from <include/uapi/linux/rtnetlink.h> */
enum ws_rta_attr_type {
WS_RTA_UNSPEC = 0,
WS_RTA_DST = 1,
WS_RTA_SRC = 2,
WS_RTA_IIF = 3,
WS_RTA_OIF = 4,
WS_RTA_GATEWAY = 5,
WS_RTA_PRIORITY = 6,
WS_RTA_PREFSRC = 7,
WS_RTA_METRICS = 8,
WS_RTA_MULTIPATH = 9,
WS_RTA_PROTOINFO = 10,
WS_RTA_FLOW = 11,
WS_RTA_CACHEINFO = 12,
WS_RTA_SESSION = 13,
WS_RTA_MP_ALGO = 14,
WS_RTA_TABLE = 15,
WS_RTA_MARK = 16,
WS_RTA_MFC_STATS = 17,
WS_RTA_VIA = 18,
WS_RTA_NEWDST = 19,
WS_RTA_PREF = 20,
WS_RTA_ENCAP_TYPE= 21,
WS_RTA_ENCAP = 22,
WS_RTA_EXPIRES = 23,
WS_RTA_PAD = 24,
WS_RTA_UID = 25,
WS_RTA_TTL_PROPAGATE = 26,
WS_RTA_IP_PROTO = 27,
WS_RTA_SPORT = 28,
WS_RTA_DPORT = 29,
WS_RTA_NH_ID = 30,
};
/* values for rtmsg.rtm_protocol from <include/uapi/linux/rtnetlink.h> */
enum {
/* kernel */
WS_RTPROT_UNSPEC = 0,
WS_RTPROT_REDIRECT = 1,
WS_RTPROT_KERNEL = 2,
WS_RTPROT_BOOT = 3,
WS_RTPROT_STATIC = 4,
/* user */
WS_RTPROT_GATED = 8,
WS_RTPROT_RA = 9,
WS_RTPROT_MRT = 10,
WS_RTPROT_ZEBRA = 11,
WS_RTPROT_BIRD = 12,
WS_RTPROT_DNROUTED = 13,
WS_RTPROT_XORP = 14,
WS_RTPROT_NTK = 15,
WS_RTPROT_DHCP = 16,
WS_RTPROT_MROUTED = 17,
WS_RTPROT_BABEL = 42,
WS_RTPROT_BGP = 186,
WS_RTPROT_ISIS = 187,
WS_RTPROT_OSPF = 188,
WS_RTPROT_RIP = 189,
WS_RTPROT_EIGRP = 192,
};
/* values for rtmsg.rtm_scope from <include/uapi/linux/rtnetlink.h> */
enum {
WS_RT_SCOPE_UNIVERSE = 0,
/* ... user defined (/etc/iproute2/rt_scopes) ... */
WS_RT_SCOPE_SITE = 200,
WS_RT_SCOPE_LINK = 253,
WS_RT_SCOPE_HOST = 254,
WS_RT_SCOPE_NOWHERE = 255
};
/* values for rtmsg.rtm_type from <include/uapi/linux/rtnetlink.h> */
enum {
WS_RTN_UNSPEC = 0,
WS_RTN_UNICAST = 1,
WS_RTN_LOCAL = 2,
WS_RTN_BROADCAST = 3,
WS_RTN_ANYCAST = 4,
WS_RTN_MULTICAST = 5,
WS_RTN_BLACKHOLE = 6,
WS_RTN_UNREACHABLE = 7,
WS_RTN_PROHIBIT = 8,
WS_RTN_THROW = 9,
WS_RTN_NAT = 10,
WS_RTN_XRESOLVE = 11
};
/* values for ifinfomsg.ifi_flags <include/uapi/linux/if.h> */
enum {
WS_IFF_UP = 0x1,
WS_IFF_BROADCAST = 0x2,
WS_IFF_DEBUG = 0x4,
WS_IFF_LOOPBACK = 0x8,
WS_IFF_POINTOPOINT = 0x10,
WS_IFF_NOTRAILERS = 0x20,
WS_IFF_RUNNING = 0x40,
WS_IFF_NOARP = 0x80,
WS_IFF_PROMISC = 0x100,
WS_IFF_ALLMULTI = 0x200,
WS_IFF_MASTER = 0x400,
WS_IFF_SLAVE = 0x800,
WS_IFF_MULTICAST = 0x1000,
WS_IFF_PORTSEL = 0x2000,
WS_IFF_AUTOMEDIA = 0x4000,
WS_IFF_DYNAMIC = 0x8000,
WS_IFF_LOWER_UP = 0x10000,
WS_IFF_DORMANT = 0x20000,
WS_IFF_ECHO = 0x40000
};
/* values for ifaddrmsg.ifa_flags <include/uapi/linux/if_addr.h> */
enum {
WS_IFA_F_SECONDARY = 0x01,
WS_IFA_F_NODAD = 0x02,
WS_IFA_F_OPTIMISTIC = 0x04,
WS_IFA_F_DADFAILED = 0x08,
WS_IFA_F_HOMEADDRESS = 0x10,
WS_IFA_F_DEPRECATED = 0x20,
WS_IFA_F_TENTATIVE = 0x40,
WS_IFA_F_PERMANENT = 0x80,
WS_IFA_F_MANAGETEMPADDR = 0x100,
WS_IFA_F_NOPREFIXROUTE = 0x200,
WS_IFA_F_MCAUTOJOIN = 0x400,
WS_IFA_F_STABLE_PRIVACY = 0x800,
};
/* values for ndmsg.ndm_state <include/uapi/linux/neighbour.h> */
enum {
WS_NUD_INCOMPLETE = 0x01,
WS_NUD_REACHABLE = 0x02,
WS_NUD_STALE = 0x04,
WS_NUD_DELAY = 0x08,
WS_NUD_PROBE = 0x10,
WS_NUD_FAILED = 0x20,
/* Dummy states */
WS_NUD_NOARP = 0x40,
WS_NUD_PERMANENT = 0x80,
WS_NUD_NONE = 0x00
};
/* values for ifla.operstate <include/uapi/linux/if.h> */
enum {
WS_IF_OPER_UNKNOWN,
WS_IF_OPER_NOTPRESENT,
WS_IF_OPER_DOWN,
WS_IF_OPER_LOWERLAYERDOWN,
WS_IF_OPER_TESTING,
WS_IF_OPER_DORMANT,
WS_IF_OPER_UP,
};
static int proto_netlink_route;
static dissector_handle_t netlink_route_handle;
static header_field_info *hfi_netlink_route = NULL;
#define NETLINK_ROUTE_HFI_INIT HFI_INIT(proto_netlink_route)
static gint ett_netlink_route = -1;
static gint ett_netlink_route_attr = -1;
static gint ett_netlink_route_if_flags = -1;
static gint ett_netlink_route_attr_linkstats = -1;
static gint ett_netlink_route_attr_linkstats_rxerrs = -1;
static gint ett_netlink_route_attr_linkstats_txerrs = -1;
static void
_fill_label_value_string_bitmask(char *label, guint32 value, const value_string *vals)
{
char tmp[16];
label[0] = '\0';
while (vals->strptr) {
if (value & vals->value) {
value &= ~(vals->value);
if (label[0])
(void) g_strlcat(label, ", ", ITEM_LABEL_LENGTH);
(void) g_strlcat(label, vals->strptr, ITEM_LABEL_LENGTH);
}
vals++;
}
if (value) {
if (label[0])
(void) g_strlcat(label, ", ", ITEM_LABEL_LENGTH);
g_snprintf(tmp, sizeof(tmp), "0x%x", value);
(void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH);
}
}
static int
dissect_netlink_route_attributes(tvbuff_t *tvb, header_field_info *hfi_type, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset, netlink_attributes_cb_t cb)
{
/* XXX, it's *almost* the same:
* - rtnetlink is using struct rtattr with shorts
* - generic netlink is using struct nlattr with __u16
*/
/* XXX, nice */
return dissect_netlink_attributes(tvb, hfi_type, ett_netlink_route_attr, info, nl_data, tree, offset, -1, cb);
}
/* Interface */
static header_field_info hfi_netlink_route_ifi_family NETLINK_ROUTE_HFI_INIT =
{ "Interface family", "netlink-route.ifi_family", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifi_type NETLINK_ROUTE_HFI_INIT =
{ "Device type", "netlink-route.ifi_type", FT_UINT16, BASE_DEC,
VALS(arp_hrd_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifi_index NETLINK_ROUTE_HFI_INIT =
{ "Interface index", "netlink-route.ifi_index", FT_INT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static void
hfi_netlink_route_ifi_flags_label(char *label, guint32 value)
{
static const value_string iff_vals[] = {
{ WS_IFF_UP, "UP" },
{ WS_IFF_BROADCAST, "BROADCAST" },
{ WS_IFF_DEBUG, "DEBUG" },
{ WS_IFF_LOOPBACK, "LOOPBACK" },
{ WS_IFF_POINTOPOINT, "POINTOPOINT" },
{ WS_IFF_NOTRAILERS, "NOTRAILERS" },
{ WS_IFF_RUNNING, "RUNNING" },
{ WS_IFF_NOARP, "NOARP" },
{ WS_IFF_PROMISC, "PROMISC" },
{ WS_IFF_ALLMULTI, "ALLMULTI" },
{ WS_IFF_MASTER, "MASTER" },
{ WS_IFF_SLAVE, "SLAVE" },
{ WS_IFF_MULTICAST, "MULTICAST" },
{ WS_IFF_PORTSEL, "PORTSEL" },
{ WS_IFF_AUTOMEDIA, "AUTOMEDIA" },
{ WS_IFF_DYNAMIC, "DYNAMIC" },
{ WS_IFF_LOWER_UP, "LOWER_UP" },
{ WS_IFF_DORMANT, "DORMANT" },
{ WS_IFF_ECHO, "ECHO" },
{ 0, NULL }
};
char tmp[16];
_fill_label_value_string_bitmask(label, value, iff_vals);
g_snprintf(tmp, sizeof(tmp), " (0x%.8x)", value);
(void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH);
}
static header_field_info hfi_netlink_route_ifi_flags NETLINK_ROUTE_HFI_INIT =
{ "Device flags", "netlink-route.ifi_flags", FT_UINT32, BASE_CUSTOM,
CF_FUNC(hfi_netlink_route_ifi_flags_label), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifi_flags_iff_up NETLINK_ROUTE_HFI_INIT =
{ "Interface", "netlink-route.ifi_flags.iff_up", FT_BOOLEAN, 32,
TFS(&tfs_up_down), WS_IFF_UP, NULL, HFILL };
static header_field_info hfi_netlink_route_ifi_flags_iff_broadcast NETLINK_ROUTE_HFI_INIT =
{ "Broadcast", "netlink-route.ifi_flags.iff_broadcast", FT_BOOLEAN, 32,
TFS(&tfs_valid_invalid), WS_IFF_BROADCAST, NULL, HFILL };
/* TODO: Other flags */
static header_field_info hfi_netlink_route_ifi_change NETLINK_ROUTE_HFI_INIT =
{ "Device change flags", "netlink-route.ifi_change", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_ifinfomsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset)
{
proto_item *ti;
proto_tree *if_flags_tree;
proto_tree_add_item(tree, &hfi_netlink_route_ifi_family, tvb, offset, 1, nl_data->encoding);
offset += 1;
if (info->legacy)
return offset;
/* XXX padding, check if 0 */
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_ifi_type, tvb, offset, 2, nl_data->encoding);
offset += 2;
proto_tree_add_item(tree, &hfi_netlink_route_ifi_index, tvb, offset, 4, nl_data->encoding);
offset += 4;
ti = proto_tree_add_item(tree, &hfi_netlink_route_ifi_flags, tvb, offset, 4, nl_data->encoding);
if_flags_tree = proto_item_add_subtree(ti, ett_netlink_route_if_flags);
if (if_flags_tree) {
proto_tree_add_item(if_flags_tree, &hfi_netlink_route_ifi_flags_iff_up, tvb, offset, 4, nl_data->encoding);
proto_tree_add_item(if_flags_tree, &hfi_netlink_route_ifi_flags_iff_broadcast, tvb, offset, 4, nl_data->encoding);
/* XXX */
}
offset += 4;
proto_tree_add_item(tree, &hfi_netlink_route_ifi_change, tvb, offset, 4, nl_data->encoding);
offset += 4;
return offset;
}
/* Interface Attributes */
static const value_string netlink_route_ifla_attr_vals[] = {
{ WS_IFLA_UNSPEC, "Unspecified" },
{ WS_IFLA_ADDRESS, "HW Address" },
{ WS_IFLA_BROADCAST, "Broadcast" },
{ WS_IFLA_IFNAME, "Device name" },
{ WS_IFLA_MTU, "MTU" },
{ WS_IFLA_LINK, "Link type" },
{ WS_IFLA_QDISC, "Queueing discipline" },
{ WS_IFLA_STATS, "Interface Statistics" },
{ WS_IFLA_COST, "Cost" },
{ WS_IFLA_PRIORITY, "Priority" },
{ WS_IFLA_MASTER, "Master" },
{ WS_IFLA_WIRELESS, "Wireless" },
{ WS_IFLA_PROTINFO, "Prot info" },
{ WS_IFLA_TXQLEN, "TxQueue length"},
{ WS_IFLA_MAP, "Map"},
{ WS_IFLA_WEIGHT, "Weight"},
{ WS_IFLA_OPERSTATE, "Operstate"},
{ WS_IFLA_LINKMODE, "Link mode"},
{ WS_IFLA_LINKINFO, "Link info"},
{ WS_IFLA_NET_NS_PID, "NetNs id"},
{ WS_IFLA_IFALIAS, "Ifalias"},
{ WS_IFLA_NUM_VF, "Num VF"},
{ WS_IFLA_VFINFO_LIST, "VF Info"},
{ WS_IFLA_STATS64, "Stats" },
{ WS_IFLA_VF_PORTS, "VF ports" },
{ WS_IFLA_PORT_SELF, "Port self" },
{ WS_IFLA_AF_SPEC, "AF spec" },
{ WS_IFLA_GROUP, "Group" },
{ WS_IFLA_NET_NS_FD, "NetNs fd" },
{ WS_IFLA_EXT_MASK, "Ext mask" },
{ WS_IFLA_PROMISCUITY, "Promiscuity" },
{ WS_IFLA_NUM_TX_QUEUES, "Number of Tx queues" },
{ WS_IFLA_NUM_RX_QUEUES, "Number of Rx queues" },
{ WS_IFLA_CARRIER, "Carrier" },
{ WS_IFLA_PHYS_PORT_ID, "Physical port ID" },
{ WS_IFLA_CARRIER_CHANGES,"Carrier changes" },
{ WS_IFLA_PHYS_SWITCH_ID, "Physical switch ID" },
{ WS_IFLA_LINK_NETNSID, "Link network namespace ID" },
{ WS_IFLA_PHYS_PORT_NAME, "Physical port name" },
{ WS_IFLA_PROTO_DOWN, "IFLA_PROTO_DOWN" },
{ WS_IFLA_GSO_MAX_SEGS, "Maximum GSO segment count" },
{ WS_IFLA_GSO_MAX_SIZE, "Maximum GSO size" },
{ WS_IFLA_PAD, "IFLA_PAD" },
{ WS_IFLA_XDP, "IFLA_XDP" },
{ WS_IFLA_EVENT, "IFLA_EVENT" },
{ WS_IFLA_NEW_NETNSID, "IFLA_NEW_NETNSID" },
{ WS_IFLA_IF_NETNSID, "IFLA_IF_NETNSID" },
{ WS_IFLA_CARRIER_UP_COUNT, "Carrier up count" },
{ WS_IFLA_CARRIER_DOWN_COUNT, "Carrier down count" },
{ WS_IFLA_NEW_IFINDEX, "IFLA_NEW_IFINDEX" },
{ WS_IFLA_MIN_MTU, "Minimum MTU" },
{ WS_IFLA_MAX_MTU, "Maximum MTU" },
{ 0, NULL }
};
static const value_string netlink_route_ifla_operstate_vals[] = {
{ WS_IF_OPER_UNKNOWN, "Unknown" },
{ WS_IF_OPER_NOTPRESENT, "Not present" },
{ WS_IF_OPER_DOWN, "Down" },
{ WS_IF_OPER_LOWERLAYERDOWN, "Lower layer down" },
{ WS_IF_OPER_TESTING, "Testing" },
{ WS_IF_OPER_DORMANT, "Dormant" },
{ WS_IF_OPER_UP, "Up"},
{ 0, NULL }
};
static header_field_info hfi_netlink_route_ifla_attr_type NETLINK_ROUTE_HFI_INIT =
{ "Attribute type", "netlink-route.ifla_attr_type", FT_UINT16, BASE_DEC,
VALS(netlink_route_ifla_attr_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_ifname NETLINK_ROUTE_HFI_INIT =
{ "Device name", "netlink-route.ifla_ifname", FT_STRINGZ, STR_ASCII,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_mtu NETLINK_ROUTE_HFI_INIT =
{ "MTU of device", "netlink-route.ifla_mtu", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_txqlen NETLINK_ROUTE_HFI_INIT =
{ "TxQueue length", "netlink-route.ifla_txqlen", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_operstate NETLINK_ROUTE_HFI_INIT =
{ "Operstate", "netlink-route.ifla_operstate", FT_UINT8, BASE_DEC,
VALS(netlink_route_ifla_operstate_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_promiscuity NETLINK_ROUTE_HFI_INIT =
{ "Promiscuity", "netlink-route.ifla_promiscuity", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_txqnum NETLINK_ROUTE_HFI_INIT =
{ "Number of Tx queues", "netlink-route.ifla_txqnum", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_rxqnum NETLINK_ROUTE_HFI_INIT =
{ "Number of Rx queues", "netlink-route.ifla_rxqnum", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_group NETLINK_ROUTE_HFI_INIT =
{ "Group", "netlink-route.ifla_group", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_gso_maxsize NETLINK_ROUTE_HFI_INIT =
{ "Maximum GSO size", "netlink-route.ifla_gso_maxsize", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_gso_maxsegs NETLINK_ROUTE_HFI_INIT =
{ "Maximum GSO segment count", "netlink-route.ifla_gso_maxsegs", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_carrier NETLINK_ROUTE_HFI_INIT =
{ "Carrier", "netlink-route.ifla_carrier", FT_BOOLEAN, 32,
TFS(&tfs_restricted_not_restricted), 0x01, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_qdisc NETLINK_ROUTE_HFI_INIT =
{ "Queueing discipline", "netlink-route.ifla_qdisc", FT_STRINGZ, STR_ASCII,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_carrier_changes NETLINK_ROUTE_HFI_INIT =
{ "Carrier changes", "netlink-route.ifla_carrier_changes", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_hwaddr NETLINK_ROUTE_HFI_INIT =
{ "HW Address", "netlink-route.ifla_hwaddr", FT_BYTES, SEP_COLON,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_broadcast NETLINK_ROUTE_HFI_INIT =
{ "Broadcast", "netlink-route.ifla_broadcast", FT_BYTES, SEP_COLON,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_carrier_up_count NETLINK_ROUTE_HFI_INIT =
{ "Carrier changes to up", "netlink-route.ifla_carrier_up_count", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_carrier_down_count NETLINK_ROUTE_HFI_INIT =
{ "Carrier changes to down", "netlink-route.ifla_carrier_down_count", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_min_mtu NETLINK_ROUTE_HFI_INIT =
{ "Minimum MTU of device", "netlink-route.ifla_min_mtu", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_max_mtu NETLINK_ROUTE_HFI_INIT =
{ "Maximum MTU of device", "netlink-route.ifla_max_mtu", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_memstart NETLINK_ROUTE_HFI_INIT =
{ "Memory start", "netlink-route.ifla_map.mem_start", FT_UINT64, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_memend NETLINK_ROUTE_HFI_INIT =
{ "Memory end", "netlink-route.ifla_map.mem_end", FT_UINT64, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_baseaddr NETLINK_ROUTE_HFI_INIT =
{ "Base address", "netlink-route.ifla_map.base_addr", FT_UINT64, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_irq NETLINK_ROUTE_HFI_INIT =
{ "IRQ", "netlink-route.ifla_map.irq", FT_UINT16, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_dma NETLINK_ROUTE_HFI_INIT =
{ "DMA", "netlink-route.ifla_map.dma", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_map_port NETLINK_ROUTE_HFI_INIT =
{ "Port", "netlink-route.ifla_map.port", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rxpackets NETLINK_ROUTE_HFI_INIT =
{ "Rx packets", "netlink-route.ifla_linkstats.rxpackets", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_txpackets NETLINK_ROUTE_HFI_INIT =
{ "Tx packets", "netlink-route.ifla_linkstats.txpackets", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rxbytes NETLINK_ROUTE_HFI_INIT =
{ "Rx bytes", "netlink-route.ifla_linkstats.rxbytes", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_txbytes NETLINK_ROUTE_HFI_INIT =
{ "Tx packets", "netlink-route.ifla_linkstats.txbytes", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rxerrors NETLINK_ROUTE_HFI_INIT =
{ "Rx errors", "netlink-route.ifla_linkstats.rxerrors", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_txerrors NETLINK_ROUTE_HFI_INIT =
{ "Tx errors", "netlink-route.ifla_linkstats.txerrors", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rxdropped NETLINK_ROUTE_HFI_INIT =
{ "Rx dropped", "netlink-route.ifla_linkstats.rxdropped", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_txdropped NETLINK_ROUTE_HFI_INIT =
{ "Tx dropped", "netlink-route.ifla_linkstats.txdropped", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_multicast NETLINK_ROUTE_HFI_INIT =
{ "Multicast Rx", "netlink-route.ifla_linkstats.multicast", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_collisions NETLINK_ROUTE_HFI_INIT =
{ "Collisions", "netlink-route.ifla_linkstats.collisions", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info* linkstat_root_hfis[] = {
&hfi_netlink_route_ifla_linkstats_rxpackets,
&hfi_netlink_route_ifla_linkstats_txpackets,
&hfi_netlink_route_ifla_linkstats_rxbytes,
&hfi_netlink_route_ifla_linkstats_txbytes,
&hfi_netlink_route_ifla_linkstats_rxerrors,
&hfi_netlink_route_ifla_linkstats_txerrors,
&hfi_netlink_route_ifla_linkstats_rxdropped,
&hfi_netlink_route_ifla_linkstats_txdropped,
&hfi_netlink_route_ifla_linkstats_multicast,
&hfi_netlink_route_ifla_linkstats_collisions,
};
static header_field_info hfi_netlink_route_ifla_linkstats_rx_len_errs NETLINK_ROUTE_HFI_INIT =
{ "Length errors", "netlink-route.ifla_linkstats.rx_errors.length_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rx_over_errs NETLINK_ROUTE_HFI_INIT =
{ "Ring buffer overflow errors", "netlink-route.ifla_linkstats.rx_errors.over_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rx_crc_errs NETLINK_ROUTE_HFI_INIT =
{ "CRC errors", "netlink-route.ifla_linkstats.rx_errors.crc_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rx_frame_errs NETLINK_ROUTE_HFI_INIT =
{ "Frame alignment errors", "netlink-route.ifla_linkstats.rx_errors.frame_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rx_fifo_errs NETLINK_ROUTE_HFI_INIT =
{ "FIFO overrun errors", "netlink-route.ifla_linkstats.rx_errors.fifo_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_rx_miss_errs NETLINK_ROUTE_HFI_INIT =
{ "Missed packet errors", "netlink-route.ifla_linkstats.rx_errors.miss_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info* linkstat_rxerr_hfis[] = {
&hfi_netlink_route_ifla_linkstats_rx_len_errs,
&hfi_netlink_route_ifla_linkstats_rx_over_errs,
&hfi_netlink_route_ifla_linkstats_rx_crc_errs,
&hfi_netlink_route_ifla_linkstats_rx_frame_errs,
&hfi_netlink_route_ifla_linkstats_rx_fifo_errs,
&hfi_netlink_route_ifla_linkstats_rx_miss_errs,
};
static header_field_info hfi_netlink_route_ifla_linkstats_tx_abort_errs NETLINK_ROUTE_HFI_INIT =
{ "Abort errors", "netlink-route.ifla_linkstats.rx_errors.abort_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_tx_carrier_errs NETLINK_ROUTE_HFI_INIT =
{ "Carrier errors", "netlink-route.ifla_linkstats.rx_errors.carrier_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_tx_fifo_errs NETLINK_ROUTE_HFI_INIT =
{ "FIFO errors", "netlink-route.ifla_linkstats.rx_errors.fifo_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_tx_heartbeat_errs NETLINK_ROUTE_HFI_INIT =
{ "Heartbeat errors", "netlink-route.ifla_linkstats.rx_errors.heartbeat_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifla_linkstats_tx_window_errs NETLINK_ROUTE_HFI_INIT =
{ "Window errors", "netlink-route.ifla_linkstats.rx_errors.window_errs", FT_UINT64, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info* linkstat_txerr_hfis[] = {
&hfi_netlink_route_ifla_linkstats_tx_abort_errs,
&hfi_netlink_route_ifla_linkstats_tx_carrier_errs,
&hfi_netlink_route_ifla_linkstats_tx_fifo_errs,
&hfi_netlink_route_ifla_linkstats_tx_heartbeat_errs,
&hfi_netlink_route_ifla_linkstats_tx_window_errs,
};
static int
dissect_netlink_route_ifla_linkstats(tvbuff_t *tvb, struct netlink_route_info *info _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int offset, int byte_size)
{
proto_tree* rxerr_subtree;
const gint rxerr_hfis_len = (sizeof(linkstat_rxerr_hfis) / sizeof(header_field_info*));
proto_tree* txerr_subtree;
const gint txerr_hfis_len = (sizeof(linkstat_txerr_hfis) / sizeof(header_field_info*));
for (size_t i = 0; i < (sizeof(linkstat_root_hfis) / sizeof(header_field_info*)); i++) {
proto_tree_add_item(tree, linkstat_root_hfis[i], tvb, offset, byte_size, nl_data->encoding);
offset += byte_size;
}
rxerr_subtree = proto_tree_add_subtree(tree, tvb, offset, byte_size * rxerr_hfis_len, ett_netlink_route_attr_linkstats_rxerrs, NULL, "Rx errors");
for (gint i = 0; i < rxerr_hfis_len; i++) {
proto_tree_add_item(rxerr_subtree, linkstat_rxerr_hfis[i], tvb, offset, byte_size, nl_data->encoding);
offset += byte_size;
}
txerr_subtree = proto_tree_add_subtree(tree, tvb, offset, byte_size * txerr_hfis_len, ett_netlink_route_attr_linkstats_txerrs, NULL, "Tx errors");
for (gint i = 0; i < txerr_hfis_len; i++) {
proto_tree_add_item(txerr_subtree, linkstat_txerr_hfis[i], tvb, offset, byte_size, nl_data->encoding);
offset += byte_size;
}
return 1;
}
static int
dissect_netlink_route_ifla_attrs(tvbuff_t *tvb, void *data, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len)
{
struct netlink_route_info *info = (struct netlink_route_info *)data;
enum ws_ifla_attr_type type = (enum ws_ifla_attr_type) rta_type;
const guint8* str;
guint32 value;
gboolean flag;
proto_tree* subtree;
switch (type) {
case WS_IFLA_IFNAME:
proto_tree_add_item_ret_string(tree, &hfi_netlink_route_ifla_ifname, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
proto_item_append_text(tree, ": %s", str);
return 1;
case WS_IFLA_MTU:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_mtu, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_TXQLEN:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_txqlen, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_OPERSTATE:
proto_tree_add_item(tree, &hfi_netlink_route_ifla_operstate, tvb, offset, len, nl_data->encoding);
return 1;
case WS_IFLA_PROMISCUITY:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_promiscuity, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_NUM_TX_QUEUES:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_txqnum, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_NUM_RX_QUEUES:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_rxqnum, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_GROUP:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_group, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_GSO_MAX_SEGS:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_gso_maxsegs, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_GSO_MAX_SIZE:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_gso_maxsize, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_CARRIER:
proto_tree_add_item_ret_boolean(tree, &hfi_netlink_route_ifla_carrier, tvb, offset, len, nl_data->encoding, &flag);
proto_item_append_text(tree, ": %s", tfs_get_string(flag, &tfs_restricted_not_restricted));
return 1;
case WS_IFLA_CARRIER_CHANGES:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_carrier_changes, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_ADDRESS:
proto_item_append_text(tree, ": %s", tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, len, ':'));
proto_tree_add_item(tree, &hfi_netlink_route_ifla_hwaddr, tvb, offset, len, nl_data->encoding);
return 1;
case WS_IFLA_BROADCAST:
proto_item_append_text(tree, ": %s", tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, len, ':'));
proto_tree_add_item(tree, &hfi_netlink_route_ifla_broadcast, tvb, offset, len, nl_data->encoding);
return 1;
case WS_IFLA_STATS:
subtree = proto_tree_add_subtree(tree, tvb, offset, len, ett_netlink_route_attr_linkstats, NULL, "Statistics");
return dissect_netlink_route_ifla_linkstats(tvb, info, nl_data, subtree, offset, 4);
case WS_IFLA_STATS64:
subtree = proto_tree_add_subtree(tree, tvb, offset, len, ett_netlink_route_attr_linkstats, NULL, "Statistics");
return dissect_netlink_route_ifla_linkstats(tvb, info, nl_data, subtree, offset, 8);
case WS_IFLA_QDISC:
proto_tree_add_item_ret_string(tree, &hfi_netlink_route_ifla_qdisc, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
proto_item_append_text(tree, ": %s", str);
return 1;
case WS_IFLA_MAP:
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_memstart, tvb, offset, 8, nl_data->encoding);
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_memend, tvb, offset + 8, 8, nl_data->encoding);
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_baseaddr, tvb, offset + 16, 8, nl_data->encoding);
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_irq, tvb, offset + 24, 2, nl_data->encoding);
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_dma, tvb, offset + 26, 1, nl_data->encoding);
proto_tree_add_item(tree, &hfi_netlink_route_ifla_map_port, tvb, offset + 27, 1, nl_data->encoding);
return 1;
case WS_IFLA_CARRIER_UP_COUNT:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_carrier_up_count, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_CARRIER_DOWN_COUNT:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_carrier_down_count, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_MIN_MTU:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_min_mtu, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
case WS_IFLA_MAX_MTU:
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_ifla_max_mtu, tvb, offset, len, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
default:
return 0;
}
}
/* IP address */
static header_field_info hfi_netlink_route_ifa_family NETLINK_ROUTE_HFI_INIT =
{ "Address type", "netlink-route.ifa_family", FT_UINT8, BASE_DEC | BASE_EXT_STRING,
&linux_af_vals_ext, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_prefixlen NETLINK_ROUTE_HFI_INIT =
{ "Address prefixlength", "netlink-route.ifa_prefixlen", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static void
hfi_netlink_route_ifa_flags_label(char *label, guint32 value)
{
static const value_string iff_vals[] = {
{ WS_IFA_F_SECONDARY, "secondary/temporary" },
{ WS_IFA_F_NODAD, "nodad" },
{ WS_IFA_F_OPTIMISTIC, "optimistic" },
{ WS_IFA_F_DADFAILED, "dadfailed" },
{ WS_IFA_F_HOMEADDRESS, "homeaddress" },
{ WS_IFA_F_DEPRECATED, "deprecated" },
{ WS_IFA_F_TENTATIVE, "tentative" },
{ WS_IFA_F_PERMANENT, "permanent" },
/* 32-bit IFA_FLAGS (in attribute) */
{ WS_IFA_F_MANAGETEMPADDR, "mngtmpaddr" },
{ WS_IFA_F_NOPREFIXROUTE, "noprefixroute" },
{ WS_IFA_F_MCAUTOJOIN, "autojoin" },
{ WS_IFA_F_STABLE_PRIVACY, "stable_privacy" },
{ 0, NULL }
};
char tmp[16];
_fill_label_value_string_bitmask(label, value, iff_vals);
g_snprintf(tmp, sizeof(tmp), " (0x%.8x)", value);
(void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH);
}
static header_field_info hfi_netlink_route_ifa_flags NETLINK_ROUTE_HFI_INIT =
{ "Address flags", "netlink-route.ifa_flags", FT_UINT8, BASE_CUSTOM,
CF_FUNC(hfi_netlink_route_ifa_flags_label), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_scope NETLINK_ROUTE_HFI_INIT =
{ "Address scope", "netlink-route.ifa_scope", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_index NETLINK_ROUTE_HFI_INIT =
{ "Interface index", "netlink-route.ifa_index", FT_INT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_ifaddrmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset)
{
proto_tree_add_item(tree, &hfi_netlink_route_ifa_family, tvb, offset, 1, ENC_NA);
offset += 1;
if (info->legacy)
return offset;
proto_tree_add_item(tree, &hfi_netlink_route_ifa_prefixlen, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_ifa_flags, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_ifa_scope, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_ifa_index, tvb, offset, 4, nl_data->encoding);
offset += 4;
return offset;
}
/* IP address attributes */
static const value_string netlink_route_ifa_attr_vals[] = {
{ WS_IFA_UNSPEC, "Unspecified" },
{ WS_IFA_ADDRESS, "Interface address" },
{ WS_IFA_LOCAL, "Local address" },
{ WS_IFA_LABEL, "Name of interface" },
{ WS_IFA_BROADCAST, "Broadcast address" },
{ WS_IFA_ANYCAST, "Anycast address" },
{ WS_IFA_CACHEINFO, "Address information" },
{ WS_IFA_MULTICAST, "Multicast address" },
{ WS_IFA_FLAGS, "Address flags" },
{ WS_IFA_RT_PRIORITY, "IFA_RT_PRIORITY" },
{ WS_IFA_TARGET_NETNSID, "IFA_TARGET_NETNSID" },
{ 0, NULL }
};
static header_field_info hfi_netlink_route_ifa_attr_type NETLINK_ROUTE_HFI_INIT =
{ "Attribute type", "netlink-route.ifa_attr_type", FT_UINT16, BASE_DEC,
VALS(netlink_route_ifa_attr_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_label NETLINK_ROUTE_HFI_INIT =
{ "Interface name", "netlink-route.ifa_label", FT_STRINGZ, STR_ASCII,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_flags32 NETLINK_ROUTE_HFI_INIT =
{ "Address flags", "netlink-route.ifa_flags32", FT_UINT32, BASE_CUSTOM,
CF_FUNC(hfi_netlink_route_ifa_flags_label), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_addr6 NETLINK_ROUTE_HFI_INIT =
{ "Address", "netlink-route.ifa_address.ipv6", FT_IPv6, BASE_NONE,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_ifa_addr4 NETLINK_ROUTE_HFI_INIT =
{ "Address", "netlink-route.ifa_address.ipv4", FT_IPv4, BASE_NONE,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_ifa_attrs(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len)
{
enum ws_ifa_attr_type type = (enum ws_ifa_attr_type) rta_type;
const guint8* str;
switch (type) {
case WS_IFA_LABEL:
proto_tree_add_item_ret_string(tree, &hfi_netlink_route_ifa_label, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
proto_item_append_text(tree, ": %s", str);
return 1;
case WS_IFA_FLAGS:
proto_tree_add_item(tree, &hfi_netlink_route_ifa_flags32, tvb, offset, 4, nl_data->encoding);
return 1;
case WS_IFA_ADDRESS:
case WS_IFA_LOCAL:
case WS_IFA_BROADCAST:
if (len == 4) {
proto_item_append_text(tree, ": %s", tvb_ip_to_str(tvb, offset));
proto_tree_add_item(tree, &hfi_netlink_route_ifa_addr4, tvb, offset, len, ENC_BIG_ENDIAN);
} else {
proto_item_append_text(tree, ": %s", tvb_ip6_to_str(tvb, offset));
proto_tree_add_item(tree, &hfi_netlink_route_ifa_addr6, tvb, offset, len, ENC_NA);
}
return 1;
default:
return 0;
}
}
/* Route */
static header_field_info hfi_netlink_route_rt_family NETLINK_ROUTE_HFI_INIT =
{ "Address family", "netlink-route.rt_family", FT_UINT8, BASE_DEC | BASE_EXT_STRING,
&linux_af_vals_ext, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rt_dst_len NETLINK_ROUTE_HFI_INIT =
{ "Length of destination", "netlink-route.rt_dst_len", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rt_src_len NETLINK_ROUTE_HFI_INIT =
{ "Length of source", "netlink-route.rt_src_len", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rt_tos NETLINK_ROUTE_HFI_INIT =
{ "TOS filter", "netlink-route.rt_tos", FT_UINT8, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rt_table NETLINK_ROUTE_HFI_INIT =
{ "Routing table ID", "netlink-route.rt_table", FT_UINT8, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static const value_string hfi_netlink_route_rt_protocol_vals[] = {
{ WS_RTPROT_UNSPEC, "unknown" },
{ WS_RTPROT_REDIRECT, "ICMP redirects" },
{ WS_RTPROT_KERNEL, "kernel" },
{ WS_RTPROT_BOOT, "boot" },
{ WS_RTPROT_STATIC, "static" },
{ WS_RTPROT_GATED, "GateD" },
{ WS_RTPROT_RA, "RDISC/ND router advertisements" },
{ WS_RTPROT_MRT, "Merit MRT" },
{ WS_RTPROT_ZEBRA, "Zebra" },
{ WS_RTPROT_BIRD, "BIRD" },
{ WS_RTPROT_DNROUTED, "DECnet routing daemon" },
{ WS_RTPROT_XORP, "XORP" },
{ WS_RTPROT_NTK, "Netsukuku" },
{ WS_RTPROT_DHCP, "DHCP client" },
{ WS_RTPROT_MROUTED, "Multicast daemon" },
{ WS_RTPROT_BABEL, "Babel daemon" },
{ WS_RTPROT_BGP, "BGP" },
{ WS_RTPROT_ISIS, "ISIS" },
{ WS_RTPROT_OSPF, "OSPF" },
{ WS_RTPROT_RIP, "RIP" },
{ WS_RTPROT_EIGRP, "EIGRP" },
{ 0, NULL }
};
static value_string_ext hfi_netlink_route_rt_protocol_vals_ext =
VALUE_STRING_EXT_INIT(hfi_netlink_route_rt_protocol_vals);
static header_field_info hfi_netlink_route_rt_protocol NETLINK_ROUTE_HFI_INIT =
{ "Routing protocol", "netlink-route.rt_protocol", FT_UINT8, BASE_HEX | BASE_EXT_STRING,
&hfi_netlink_route_rt_protocol_vals_ext, 0x00, NULL, HFILL };
static const value_string netlink_route_rt_scope_vals[] = {
{ WS_RT_SCOPE_UNIVERSE, "global route" },
{ WS_RT_SCOPE_SITE, "interior route in the local autonomous system" },
{ WS_RT_SCOPE_LINK, "route on this link" },
{ WS_RT_SCOPE_HOST, "route on the local host" },
{ WS_RT_SCOPE_NOWHERE, "destination doesn't exist" },
{ 0, NULL }
};
static header_field_info hfi_netlink_route_rt_scope NETLINK_ROUTE_HFI_INIT =
{ "Route origin", "netlink-route.rt_scope", FT_UINT8, BASE_HEX,
VALS(netlink_route_rt_scope_vals), 0x00, NULL, HFILL };
static const value_string netlink_route_rt_type_vals[] = {
{ WS_RTN_UNSPEC, "Unknown route" },
{ WS_RTN_UNICAST, "Gateway or direct route" },
{ WS_RTN_LOCAL, "Local interface route" },
{ WS_RTN_BROADCAST, "Local broadcast route (send as broadcast)" },
{ WS_RTN_ANYCAST, "Local broadcast route (send as unicast)" },
{ WS_RTN_MULTICAST, "Multicast route" },
{ WS_RTN_BLACKHOLE, "Drop" },
{ WS_RTN_UNREACHABLE, "Unreachable destination" },
{ WS_RTN_PROHIBIT, "Administratively prohibited" },
{ WS_RTN_THROW, "Routing lookup in another table" },
{ WS_RTN_NAT, "Netwrk address translation rule" },
{ WS_RTN_XRESOLVE, "Use external resolver" },
{ 0, NULL }
};
static header_field_info hfi_netlink_route_rt_type NETLINK_ROUTE_HFI_INIT =
{ "Route type", "netlink-route.rt_type", FT_UINT8, BASE_HEX,
VALS(netlink_route_rt_type_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rt_flags NETLINK_ROUTE_HFI_INIT =
{ "Route flags", "netlink-route.rt_flags", FT_UINT32, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_rtmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset)
{
proto_tree_add_item(tree, &hfi_netlink_route_rt_family, tvb, offset, 1, ENC_NA);
offset += 1;
if (info->legacy)
return offset;
proto_tree_add_item(tree, &hfi_netlink_route_rt_dst_len, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_src_len, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_tos, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_table, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_protocol, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_scope, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_type, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_rt_flags, tvb, offset, 4, nl_data->encoding);
offset += 4;
return offset;
}
/* Route Attributes */
static const value_string netlink_route_rta_attr_vals[] = {
{ WS_RTA_UNSPEC, "Unspecified" },
{ WS_RTA_DST, "Route destination address" },
{ WS_RTA_SRC, "Route source address" },
{ WS_RTA_IIF, "Input interface index" },
{ WS_RTA_OIF, "Output interface index" },
{ WS_RTA_GATEWAY, "Gateway of the route" },
{ WS_RTA_PRIORITY, "RTA_PRIORITY" },
{ WS_RTA_PREFSRC, "RTA_PREFSRC" },
{ WS_RTA_METRICS, "RTA_METRICS" },
{ WS_RTA_MULTIPATH, "RTA_MULTIPATH" },
{ WS_RTA_PROTOINFO, "RTA_PROTOINFO" },
{ WS_RTA_FLOW, "RTA_FLOW" },
{ WS_RTA_CACHEINFO, "RTA_CACHEINFO" },
{ WS_RTA_SESSION, "RTA_SESSION" },
{ WS_RTA_MP_ALGO, "RTA_MP_ALGO" },
{ WS_RTA_TABLE, "RTA_TABLE" },
{ WS_RTA_MARK, "RTA_MARK" },
{ WS_RTA_MFC_STATS, "RTA_MFC_STATS" },
{ WS_RTA_VIA, "RTA_VIA" },
{ WS_RTA_NEWDST, "RTA_NEWDST" },
{ WS_RTA_PREF, "RTA_PREF" },
{ WS_RTA_ENCAP_TYPE,"RTA_ENCAP_TYPE" },
{ WS_RTA_ENCAP, "RTA_ENCAP" },
{ WS_RTA_EXPIRES, "RTA_EXPIRES" },
{ WS_RTA_PAD, "RTA_PAD" },
{ WS_RTA_UID, "RTA_UID" },
{ WS_RTA_TTL_PROPAGATE, "RTA_TTL_PROPAGATE" },
{ WS_RTA_IP_PROTO, "RTA_IP_PROTO" },
{ WS_RTA_SPORT, "RTA_SPORT" },
{ WS_RTA_DPORT, "RTA_DPORT" },
{ WS_RTA_NH_ID, "RTA_NH_ID" },
{ 0, NULL }
};
static header_field_info hfi_netlink_route_rta_attr_type NETLINK_ROUTE_HFI_INIT =
{ "Attribute type", "netlink-route.rta_attr_type", FT_UINT16, BASE_DEC,
VALS(netlink_route_rta_attr_vals), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rta_iif NETLINK_ROUTE_HFI_INIT =
{ "Input interface index", "netlink-route.rta_iif", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_rta_oif NETLINK_ROUTE_HFI_INIT =
{ "Output interface index", "netlink-route.rta_oif", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_route_attrs(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len)
{
enum ws_rta_attr_type type = (enum ws_rta_attr_type) rta_type;
guint32 value;
switch (type) {
case WS_RTA_IIF:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_rta_iif, tvb, offset, 4, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
}
return 0;
case WS_RTA_OIF:
if (len == 4) {
proto_tree_add_item_ret_uint(tree, &hfi_netlink_route_rta_oif, tvb, offset, 4, nl_data->encoding, &value);
proto_item_append_text(tree, ": %u", value);
return 1;
}
return 0;
default:
return 0;
}
}
static header_field_info hfi_netlink_route_nd_family NETLINK_ROUTE_HFI_INIT =
{ "Family", "netlink-route.nd_family", FT_UINT8, BASE_DEC | BASE_EXT_STRING,
&linux_af_vals_ext, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_nd_index NETLINK_ROUTE_HFI_INIT =
{ "Interface index", "netlink-route.nd_index", FT_INT32, BASE_DEC,
NULL, 0x00, NULL, HFILL };
static void
hfi_netlink_route_nd_states_label(char *label, guint32 value)
{
static const value_string flags_vals[] = {
{ WS_NUD_NONE, "NONE" },
{ WS_NUD_INCOMPLETE, "INCOMPLETE" },
{ WS_NUD_REACHABLE, "REACHABLE" },
{ WS_NUD_STALE, "STALE" },
{ WS_NUD_DELAY, "DELAY" },
{ WS_NUD_PROBE, "PROBE" },
{ WS_NUD_FAILED, "FAILED" },
{ WS_NUD_NOARP, "NOARP" },
{ WS_NUD_PERMANENT, "PERMAMENT" },
{ 0, NULL }
};
char tmp[16];
_fill_label_value_string_bitmask(label, value, flags_vals);
g_snprintf(tmp, sizeof(tmp), " (0x%.4x)", value);
(void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH);
}
static header_field_info hfi_netlink_route_nd_state NETLINK_ROUTE_HFI_INIT =
{ "State", "netlink-route.nd_state", FT_UINT16, BASE_CUSTOM,
CF_FUNC(hfi_netlink_route_nd_states_label), 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_nd_flags NETLINK_ROUTE_HFI_INIT =
{ "Flags", "netlink-route.nd_flags", FT_UINT8, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static header_field_info hfi_netlink_route_nd_type NETLINK_ROUTE_HFI_INIT =
{ "Type", "netlink-route.nd_type", FT_UINT8, BASE_HEX,
NULL, 0x00, NULL, HFILL };
static int
dissect_netlink_route_ndmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset)
{
proto_tree_add_item(tree, &hfi_netlink_route_nd_family, tvb, offset, 1, ENC_NA);
offset += 1;
if (info->legacy)
return offset;
/* XXX, 3B padding */
offset += 3;
proto_tree_add_item(tree, &hfi_netlink_route_nd_index, tvb, offset, 4, nl_data->encoding);
offset += 4;
proto_tree_add_item(tree, &hfi_netlink_route_nd_state, tvb, offset, 2, nl_data->encoding);
offset += 2;
proto_tree_add_item(tree, &hfi_netlink_route_nd_flags, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_netlink_route_nd_type, tvb, offset, 1, ENC_NA);
offset += 1;
return offset;
}
static const value_string netlink_route_type_vals[] = {
{ WS_RTM_NEWLINK, "Create network interface" },
{ WS_RTM_DELLINK, "Remove network interface" },
{ WS_RTM_GETLINK, "Get network interface info" },
{ WS_RTM_SETLINK, "Set network interface info" },
{ WS_RTM_NEWADDR, "Add IP address" },
{ WS_RTM_DELADDR, "Delete IP address" },
{ WS_RTM_GETADDR, "Get IP address" },
{ WS_RTM_NEWROUTE, "Add network route" },
{ WS_RTM_DELROUTE, "Delete network route" },
{ WS_RTM_GETROUTE, "Get network route" },
{ WS_RTM_NEWNEIGH, "Add neighbor table entry" },
{ WS_RTM_DELNEIGH, "Delete neighbor table entry" },
{ WS_RTM_GETNEIGH, "Get neighbor table entry" },
{ WS_RTM_NEWRULE, "Add routing rule" },
{ WS_RTM_DELRULE, "Delete routing rule" },
{ WS_RTM_GETRULE, "Get routing rule" },
{ WS_RTM_NEWQDISC, "Add queueing discipline" },
{ WS_RTM_DELQDISC, "Delete queueing discipline" },
{ WS_RTM_GETQDISC, "Get queueing discipline" },
{ WS_RTM_NEWTCLASS, "Add traffic class" },
{ WS_RTM_DELTCLASS, "Delete traffic class" },
{ WS_RTM_GETTCLASS, "Get traffic class" },
{ WS_RTM_NEWTFILTER, "Add traffic class" },
{ WS_RTM_DELTFILTER, "Delete traffic class" },
{ WS_RTM_GETTFILTER, "Get traffic class" },
{ WS_RTM_NEWACTION, "New Action" },
{ WS_RTM_DELACTION, "Delete Action" },
{ WS_RTM_GETACTION, "Get Action" },
{ WS_RTM_NEWPREFIX, "New IPv6 prefix" },
{ WS_RTM_GETMULTICAST, "Get multicast address" },
{ WS_RTM_GETANYCAST, "Get anycast address" },
{ WS_RTM_NEWNEIGHTBL, "New Neighbour tables" },
{ WS_RTM_GETNEIGHTBL, "Get Neighbour tables" },
{ WS_RTM_SETNEIGHTBL, "Set Neighbour tables" },
{ WS_RTM_NEWNDUSEROPT, "New ND Userland options" },
{ WS_RTM_NEWADDRLABEL, "New IPv6 Address Label" },
{ WS_RTM_DELADDRLABEL, "Delete IPv6 Address Label" },
{ WS_RTM_GETADDRLABEL, "Get IPv6 Address Label" },
{ WS_RTM_GETDCB, "Get Data Center Bridging" },
{ WS_RTM_SETDCB, "Set Data Center Bridging" },
{ WS_RTM_NEWNETCONF, "RTM_NEWNETCONF" },
{ WS_RTM_DELNETCONF, "RTM_DELNETCONF" },
{ WS_RTM_GETNETCONF, "RTM_GETNETCONF" },
{ WS_RTM_NEWMDB, "Add multicast database entry" },
{ WS_RTM_DELMDB, "Delete multicast database entry" },
{ WS_RTM_GETMDB, "Get multicast database" },
{ WS_RTM_NEWNSID, "New network namespace ID" },
{ WS_RTM_DELNSID, "Delete network namespace ID" },
{ WS_RTM_GETNSID, "Get network namespace ID" },
{ WS_RTM_NEWSTATS, "New link statistics" },
{ WS_RTM_GETSTATS, "Get link statistics" },
{ WS_RTM_NEWCACHEREPORT,"New cache report" },
{ WS_RTM_NEWCHAIN, "New chain" },
{ WS_RTM_DELCHAIN, "Delete chain" },
{ WS_RTM_GETCHAIN, "Get chain" },
{ WS_RTM_NEWNEXTHOP, "New next hop" },
{ WS_RTM_DELNEXTHOP, "Delete next hop" },
{ WS_RTM_GETNEXTHOP, "Get next hop" },
{ 0, NULL }
};
static value_string_ext netlink_route_type_vals_ext = VALUE_STRING_EXT_INIT(netlink_route_type_vals);
static header_field_info hfi_netlink_route_nltype NETLINK_ROUTE_HFI_INIT =
{ "Message type", "netlink-route.nltype", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&netlink_route_type_vals_ext, 0x00, NULL, HFILL };
static int
dissect_netlink_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
struct netlink_route_info info;
struct packet_netlink_data *nl_data = (struct packet_netlink_data *)data;
proto_tree *nlmsg_tree;
proto_item *pi;
int offset = 0;
DISSECTOR_ASSERT(nl_data && nl_data->magic == PACKET_NETLINK_MAGIC);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Netlink route");
col_clear(pinfo->cinfo, COL_INFO);
pi = proto_tree_add_item(tree, proto_registrar_get_nth(proto_netlink_route), tvb, 0, -1, ENC_NA);
nlmsg_tree = proto_item_add_subtree(pi, ett_netlink_route);
/* Netlink message header (nlmsghdr) */
offset = dissect_netlink_header(tvb, nlmsg_tree, offset, nl_data->encoding, &hfi_netlink_route_nltype, NULL);
info.pinfo = pinfo;
switch (nl_data->type) {
case WS_RTM_NEWLINK:
case WS_RTM_DELLINK:
case WS_RTM_GETLINK:
/* backward compatibility with legacy tools; 16 is sizeof(struct ifinfomsg) */
info.legacy = (nl_data->type == WS_RTM_GETLINK) && (tvb_reported_length_remaining(tvb, offset) < 16);
offset = dissect_netlink_route_ifinfomsg(tvb, &info, nl_data, nlmsg_tree, offset);
/* Optional attributes */
offset = dissect_netlink_route_attributes(tvb, &hfi_netlink_route_ifla_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_ifla_attrs);
break;
case WS_RTM_NEWADDR:
case WS_RTM_DELADDR:
case WS_RTM_GETADDR:
/* backward compatibility with legacy tools; 8 is sizeof(struct ifaddrmsg) */
info.legacy = (nl_data->type == WS_RTM_GETADDR) && (tvb_reported_length_remaining(tvb, offset) < 8);
offset = dissect_netlink_route_ifaddrmsg(tvb, &info, nl_data, nlmsg_tree, offset);
/* Optional attributes */
offset = dissect_netlink_route_attributes(tvb, &hfi_netlink_route_ifa_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_ifa_attrs);
break;
case WS_RTM_NEWROUTE:
case WS_RTM_DELROUTE:
case WS_RTM_GETROUTE:
/* backward compatibility with legacy tools; 12 is sizeof(struct rtmsg) */
info.legacy = (nl_data->type == WS_RTM_GETROUTE) && (tvb_reported_length_remaining(tvb, offset) < 12);
offset = dissect_netlink_route_rtmsg(tvb, &info, nl_data, nlmsg_tree, offset);
/* Optional attributes */
offset = dissect_netlink_route_attributes(tvb, &hfi_netlink_route_rta_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_route_attrs);
break;
case WS_RTM_NEWNEIGH:
case WS_RTM_DELNEIGH:
case WS_RTM_GETNEIGH:
/* backward compatibility with legacy tools; 12 is sizeof(struct ndmsg) */
info.legacy = (nl_data->type == WS_RTM_GETNEIGH) && (tvb_reported_length_remaining(tvb, offset) < 12);
offset = dissect_netlink_route_ndmsg(tvb, &info, nl_data, nlmsg_tree, offset);
break;
}
return offset;
}
void
proto_register_netlink_route(void)
{
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
&hfi_netlink_route_nltype,
/* Interface */
&hfi_netlink_route_ifi_family,
&hfi_netlink_route_ifi_type,
&hfi_netlink_route_ifi_index,
&hfi_netlink_route_ifi_flags,
&hfi_netlink_route_ifi_flags_iff_up,
&hfi_netlink_route_ifi_flags_iff_broadcast,
&hfi_netlink_route_ifi_change,
/* Interface Attributes */
&hfi_netlink_route_ifla_attr_type,
&hfi_netlink_route_ifla_ifname,
&hfi_netlink_route_ifla_mtu,
&hfi_netlink_route_ifla_txqlen,
&hfi_netlink_route_ifla_operstate,
&hfi_netlink_route_ifla_promiscuity,
&hfi_netlink_route_ifla_txqnum,
&hfi_netlink_route_ifla_rxqnum,
&hfi_netlink_route_ifla_group,
&hfi_netlink_route_ifla_gso_maxsize,
&hfi_netlink_route_ifla_gso_maxsegs,
&hfi_netlink_route_ifla_carrier,
&hfi_netlink_route_ifla_qdisc,
&hfi_netlink_route_ifla_carrier_changes,
&hfi_netlink_route_ifla_hwaddr,
&hfi_netlink_route_ifla_broadcast,
&hfi_netlink_route_ifla_carrier_up_count,
&hfi_netlink_route_ifla_carrier_down_count,
&hfi_netlink_route_ifla_min_mtu,
&hfi_netlink_route_ifla_max_mtu,
/* Interface map */
&hfi_netlink_route_ifla_map_memstart,
&hfi_netlink_route_ifla_map_memend,
&hfi_netlink_route_ifla_map_baseaddr,
&hfi_netlink_route_ifla_map_irq,
&hfi_netlink_route_ifla_map_dma,
&hfi_netlink_route_ifla_map_port,
/* Interface statistics */
&hfi_netlink_route_ifla_linkstats_rxpackets,
&hfi_netlink_route_ifla_linkstats_txpackets,
&hfi_netlink_route_ifla_linkstats_rxbytes,
&hfi_netlink_route_ifla_linkstats_txbytes,
&hfi_netlink_route_ifla_linkstats_rxerrors,
&hfi_netlink_route_ifla_linkstats_txerrors,
&hfi_netlink_route_ifla_linkstats_rxdropped,
&hfi_netlink_route_ifla_linkstats_txdropped,
&hfi_netlink_route_ifla_linkstats_multicast,
&hfi_netlink_route_ifla_linkstats_collisions,
/* Interface RX error statistics */
&hfi_netlink_route_ifla_linkstats_rx_len_errs,
&hfi_netlink_route_ifla_linkstats_rx_over_errs,
&hfi_netlink_route_ifla_linkstats_rx_crc_errs,
&hfi_netlink_route_ifla_linkstats_rx_frame_errs,
&hfi_netlink_route_ifla_linkstats_rx_fifo_errs,
&hfi_netlink_route_ifla_linkstats_rx_miss_errs,
/* Interface TX error statistics */
&hfi_netlink_route_ifla_linkstats_tx_abort_errs,
&hfi_netlink_route_ifla_linkstats_tx_carrier_errs,
&hfi_netlink_route_ifla_linkstats_tx_fifo_errs,
&hfi_netlink_route_ifla_linkstats_tx_heartbeat_errs,
&hfi_netlink_route_ifla_linkstats_tx_window_errs,
/* IP address */
&hfi_netlink_route_ifa_family,
&hfi_netlink_route_ifa_prefixlen,
&hfi_netlink_route_ifa_flags,
&hfi_netlink_route_ifa_scope,
&hfi_netlink_route_ifa_index,
/* IP address Attributes */
&hfi_netlink_route_ifa_attr_type,
&hfi_netlink_route_ifa_label,
&hfi_netlink_route_ifa_flags32,
&hfi_netlink_route_ifa_addr6,
&hfi_netlink_route_ifa_addr4,
/* Network Route */
&hfi_netlink_route_rt_family,
&hfi_netlink_route_rt_dst_len,
&hfi_netlink_route_rt_src_len,
&hfi_netlink_route_rt_tos,
&hfi_netlink_route_rt_table,
&hfi_netlink_route_rt_protocol,
&hfi_netlink_route_rt_scope,
&hfi_netlink_route_rt_type,
&hfi_netlink_route_rt_flags,
/* Network route Attributes */
&hfi_netlink_route_rta_attr_type,
&hfi_netlink_route_rta_iif,
&hfi_netlink_route_rta_oif,
/* Neighbor */
&hfi_netlink_route_nd_family,
&hfi_netlink_route_nd_index,
&hfi_netlink_route_nd_state,
&hfi_netlink_route_nd_flags,
&hfi_netlink_route_nd_type,
};
#endif
static gint *ett[] = {
&ett_netlink_route,
&ett_netlink_route_attr,
&ett_netlink_route_if_flags,
&ett_netlink_route_attr_linkstats,
&ett_netlink_route_attr_linkstats_rxerrs,
&ett_netlink_route_attr_linkstats_txerrs,
};
proto_netlink_route = proto_register_protocol("Linux rtnetlink (route netlink) protocol", "rtnetlink", "netlink-route" );
hfi_netlink_route = proto_registrar_get_nth(proto_netlink_route);
proto_register_fields(proto_netlink_route, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
netlink_route_handle = create_dissector_handle(dissect_netlink_route, proto_netlink_route);
}
void
proto_reg_handoff_netlink_route(void)
{
dissector_add_uint("netlink.protocol", WS_NETLINK_ROUTE, netlink_route_handle);
}
/*
* Editor modelines - https://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:
*/
View Git Blame Copy Permalink