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-rw-r--r--epan/dissectors/packet-erf.c1143
1 files changed, 1120 insertions, 23 deletions
diff --git a/epan/dissectors/packet-erf.c b/epan/dissectors/packet-erf.c
index 33807cbac1..1b31d5cb90 100644
--- a/epan/dissectors/packet-erf.c
+++ b/epan/dissectors/packet-erf.c
@@ -25,6 +25,9 @@
#include <epan/packet.h>
#include <epan/expert.h>
#include <epan/prefs.h>
+#include <epan/ipproto.h>
+#include <epan/to_str.h>
+#include <wsutil/str_util.h>
#include "packet-erf.h"
/*
@@ -34,13 +37,6 @@
void proto_register_erf(void);
void proto_reg_handoff_erf(void);
-#define EXT_HDR_TYPE_CLASSIFICATION 3
-#define EXT_HDR_TYPE_INTERCEPTID 4
-#define EXT_HDR_TYPE_RAW_LINK 5
-#define EXT_HDR_TYPE_BFS 6
-#define EXT_HDR_TYPE_CHANNELISED 12
-#define EXT_HDR_TYPE_SIGNATURE 14
-
#define DECHAN_MAX_LINE_RATE 5
#define DECHAN_MAX_VC_SIZE 5
#define DECHAN_MAX_AUG_INDEX 4
@@ -123,6 +119,23 @@ static int hf_erf_ehdr_signature_payload_hash = -1;
static int hf_erf_ehdr_signature_color = -1;
static int hf_erf_ehdr_signature_flow_hash = -1;
+/* Flow ID extension header */
+static int hf_erf_ehdr_flow_id_source_id = -1;
+static int hf_erf_ehdr_flow_id_hash_type = -1;
+static int hf_erf_ehdr_flow_id_stack_type = -1;
+static int hf_erf_ehdr_flow_id_flow_hash = -1;
+
+/* Host ID extension header */
+static int hf_erf_ehdr_host_id_sourceid = -1;
+static int hf_erf_ehdr_host_id_hostid = -1;
+
+/* Generated Host ID/Source ID */
+static int hf_erf_sourceid = -1;
+static int hf_erf_hostid = -1;
+static int hf_erf_source_current = -1;
+static int hf_erf_source_next = -1;
+static int hf_erf_source_prev = -1;
+
/* Unknown extension header */
static int hf_erf_ehdr_unk = -1;
@@ -211,6 +224,11 @@ static int hf_erf_eth = -1;
static int hf_erf_eth_off = -1;
static int hf_erf_eth_pad = -1;
+/* ERF Meta record tag */
+static int hf_erf_meta_tag_type = -1;
+static int hf_erf_meta_tag_len = -1;
+static int hf_erf_meta_tag_unknown = -1;
+
/* Initialize the subtree pointers */
static gint ett_erf = -1;
static gint ett_erf_pseudo_hdr = -1;
@@ -224,10 +242,15 @@ static gint ett_erf_mc_aal5 = -1;
static gint ett_erf_mc_aal2 = -1;
static gint ett_erf_aal2 = -1;
static gint ett_erf_eth = -1;
+static gint ett_erf_meta = -1;
+static gint ett_erf_meta_tag = -1;
+static gint ett_erf_source = -1;
static expert_field ei_erf_extension_headers_not_shown = EI_INIT;
static expert_field ei_erf_packet_loss = EI_INIT;
static expert_field ei_erf_checksum_error = EI_INIT;
+static expert_field ei_erf_meta_section_len_error = EI_INIT;
+static expert_field ei_erf_meta_reset = EI_INIT;
typedef enum {
ERF_HDLC_CHDLC = 0,
@@ -359,6 +382,10 @@ static dissector_handle_t sdh_handle;
#define ETH_OFF_MASK 0x00
#define ETH_RES1_MASK 0x00
+/* Invalid MetaERF sections used for special lookup */
+#define ERF_META_SECTION_NONE 0
+#define ERF_META_SECTION_UNKNOWN 1
+
/* Record type defines */
static const value_string erf_type_vals[] = {
{ ERF_TYPE_LEGACY ,"LEGACY"},
@@ -392,12 +419,14 @@ static const value_string erf_type_vals[] = {
/* Extended headers type defines */
static const value_string ehdr_type_vals[] = {
- { EXT_HDR_TYPE_CLASSIFICATION , "Classification"},
- { EXT_HDR_TYPE_INTERCEPTID , "InterceptID"},
- { EXT_HDR_TYPE_RAW_LINK , "Raw Link"},
- { EXT_HDR_TYPE_BFS , "BFS Filter/Hash"},
- { EXT_HDR_TYPE_CHANNELISED , "Channelised"},
- { EXT_HDR_TYPE_SIGNATURE , "Signature"},
+ { ERF_EXT_HDR_TYPE_CLASSIFICATION , "Classification"},
+ { ERF_EXT_HDR_TYPE_INTERCEPTID , "InterceptID"},
+ { ERF_EXT_HDR_TYPE_RAW_LINK , "Raw Link"},
+ { ERF_EXT_HDR_TYPE_BFS , "BFS Filter/Hash"},
+ { ERF_EXT_HDR_TYPE_CHANNELISED , "Channelised"},
+ { ERF_EXT_HDR_TYPE_SIGNATURE , "Signature"},
+ { ERF_EXT_HDR_TYPE_FLOW_ID , "Flow ID"},
+ { ERF_EXT_HDR_TYPE_HOST_ID , "Host ID"},
{ 0, NULL }
};
@@ -457,7 +486,574 @@ static const value_string channelised_type[] = {
{ 0, NULL}
};
+static const value_string erf_hash_type[] = {
+ { 0x00, "Not set"},
+ { 0x01, "Non-IP (Src/Dst MACs, EtherType)"},
+ { 0x02, "2-tuple (Src/Dst IP Addresses)"},
+ { 0x03, "3-tuple (Src/Dst IP Addresses, IP Protocol)"},
+ { 0x04, "4-tuple (Src/Dst IP Addresses, IP Protocol, Interface ID)"},
+ { 0x05, "5-tuple (Src/Dst IP Addresses, IP Protocol, Src/Dst L4 Ports)"},
+ { 0x06, "6-tuple (Src/Dst IP Addresses, IP Protocol, Src/Dst L4 Ports, Interface ID)"},
+ { 0, NULL}
+};
+
+static const value_string erf_stack_type[] = {
+ { 0x00, "Not set"},
+ { 0x01, "Non-IP"},
+ { 0x02, "No VLAN, IPv4"},
+ { 0x03, "No VLAN, IPv6"},
+ { 0x04, "One VLAN, IPv4"},
+ { 0x05, "One VLAN, IPv6"},
+ { 0x06, "Two VLANs, IPv4"},
+ { 0x07, "Two VLANs, IPv6"},
+ { 0, NULL}
+};
+static const value_string erf_port_type[] = {
+ { 0x00, "Reserved"},
+ { 0x01, "Capture Port"},
+ { 0x02, "Timing Port"},
+ { 0, NULL}
+};
+
+/* Used as templates for ERF_META_TAG_tunneling_mode */
+static const header_field_info erf_tunneling_modes[] = {
+ { "IP-in-IP", "ip_in_ip", FT_UINT32, BASE_DEC, NULL, 0x1, NULL, HFILL },
+ /* 0x02 is currently unused and reserved */
+ { "VXLAN", "vxlan", FT_UINT32, BASE_DEC, NULL, 0x4, NULL, HFILL },
+ { "GRE", "gre", FT_UINT32, BASE_DEC, NULL, 0x8, NULL, HFILL },
+ { "GTP", "gtp", FT_UINT32, BASE_DEC, NULL, 0x10, NULL, HFILL },
+ { "MPLS over VLAN", "mpls_vlan", FT_UINT32, BASE_DEC, NULL, 0x20, NULL, HFILL }
+};
+/* XXX: Must be at least array_length(erf_tunneling_modes). */
+#define ERF_HF_VALUES_PER_TAG 8
+
+typedef struct {
+ guint16 code;
+ header_field_info hfinfo;
+} erf_meta_hf_template_t;
+
+typedef struct {
+ gint ett_value;
+ /*
+ * XXX: Must be at least array_length(erf_tunneling_modes). Should change to
+ * dynamic (possibly using new proto tree API) if many more fields defined.
+ * Either that or add a value-string-like automatic bitmask flags proto_item.
+ */
+ int hf_values[ERF_HF_VALUES_PER_TAG];
+} erf_meta_tag_info_ex_t;
+
+typedef struct {
+ guint16 code;
+ guint16 section;
+ const erf_meta_hf_template_t* tag_template;
+
+ gint ett;
+ int hf_value;
+ erf_meta_tag_info_ex_t *extra;
+ /* TODO: could add a type_value and callback here for greater flexibility */
+} erf_meta_tag_info_t;
+
+typedef struct {
+ wmem_map_t* tag_table;
+ wmem_array_t* hfri;
+ wmem_array_t* ett;
+ wmem_array_t* vs_list;
+ wmem_array_t* vs_abbrev_list;
+ erf_meta_tag_info_t* unknown_section_info;
+} erf_meta_index_t;
+
+typedef struct {
+ wmem_map_t* source_map;
+ guint64 implicit_host_id;
+} erf_state_t;
+
+typedef struct {
+ wmem_tree_t* meta_tree;
+ wmem_list_t* meta_list;
+} erf_source_info_t;
+
+#define ERF_SOURCE_KEY(host_id, source_id) (((guint64) host_id << 16) | source_id)
+#define ERF_TAG_INFO_KEY(tag_info) (((guint32) (tag_info)->section << 16) | (tag_info)->code)
+
+static erf_meta_index_t erf_meta_index;
+static erf_state_t erf_state;
+
+/*
+ * XXX: These header_field_info are used as templates for dynamically building
+ * per-section fields for each tag, as well as appropiate value_string arrays.
+ * We abuse the abbrev field to store the short name of the tags.
+ */
+static const erf_meta_hf_template_t erf_meta_tags[] = {
+ { ERF_META_TAG_padding, { "Padding", "padding", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_comment, { "Comment", "comment", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_gen_time, { "Metadata Generation Time", "gen_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_parent_section, { "Parent Section", "parent_section", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_reset, { "Metadata Reset", "reset", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_event_time, { "Event Time", "event_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_host_id, { "Host ID", "host_id", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_fcs_len, { "FCS Length (bits)", "fcs_len", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_mask_ipv4, { "Subnet Mask (IPv4)", "mask_ipv4", FT_IPv4, BASE_NETMASK, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_mask_cidr, { "Subnet Mask (CIDR)", "mask_cidr", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_org_name, { "Organisation", "org_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_name, { "Name", "name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_descr, { "Description", "descr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_config, { "Configuration", "config", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_datapipe, { "Datapipe Name", "datapipe", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_app_name, { "Application Name", "app_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_os, { "Operating System", "os", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_hostname, { "Hostname", "hostname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_user, { "User", "user", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_model, { "Model", "model", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_fw_version, { "Firmware Version", "fw_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_serial_no, { "Serial Number", "serial_no", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ts_offset, { "Timestamp Offset", "ts_offset", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ts_clock_freq, { "Timestamp Clock Frequency (Hz)", "ts_clock_freq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_tzone, { "Timezone Offset", "tzone", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_tzone_name, { "Timezone Name", "tzone_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_loc_lat, { "Location Latitude", "loc_lat", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_loc_long, { "Location Longitude", "loc_long", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_snaplen, { "Snap Length", "snaplen", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_card_num, { "Card Number", "card_num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_module_num, { "Module Number", "module_num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_access_num, { "Access Number", "access_num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stream_num, { "Stream Number", "stream_num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_loc_name, { "Location Name", "loc_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_parent_file, { "Parent Filename", "parent_file", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_filter, { "Filter", "filter", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_flow_hash_mode, { "Flow Hash Mode", "flow_hash_mode", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_tunneling_mode, { "Tunneling Mode", "tunneling_mode", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_npb_format, { "NPB Format", "npb_format", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_mem, { "Memory", "mem", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_datamine_id, { "Datamine ID", "datamine_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_rotfile_id, { "Rotfile ID", "rotfile_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_rotfile_name, { "Rotfile Name", "rotfile_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dev_name, { "Device Name", "dev_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dev_path, { "Device Canonical Path", "dev_path", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_loc_descr, { "Location Description", "loc_descr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_app_version, { "Application Version", "app_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_cpu_affinity, { "CPU Affinity Mask", "cpu_affinity", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_cpu, { "CPU Model", "cpu", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_cpu_phys_cores, { "CPU Physical Cores", "cpu_phys_cores", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_cpu_numa_nodes, { "CPU NUMA Nodes", "cpu_numa_nodes", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dag_attribute, { "DAG Attribute", "dag_attribute", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dag_version, { "DAG Software Version", "dag_attribute", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_if_num, { "Interface Number", "if_num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_vc, { "Interface Virtual Circuit", "if_vc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_speed, { "Interface Line Rate", "if_speed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_ipv4, { "Interface IPv4 address", "if_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_ipv6, { "Interface IPv6 address", "if_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_mac, { "Interface MAC address", "if_mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_eui, { "Interface EUI-64 address", "if_eui", FT_EUI64, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_ib_gid, { "Interface InfiniBand GID", "if_ib_gid", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_ib_lid, { "Interface InfiniBand LID", "if_ib_lid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_wwn, { "Interface WWN", "if_wwn", FT_FCWWN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_fc_id, { "Interface FCID address", "if_fc_id", FT_BYTES, SEP_DOT, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_tx_speed, { "Interface TX Line Rate", "if_tx_speed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_erf_type, { "Interface ERF type", "if_erf_type", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_link_type, { "Interface link type", "if_link_type", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_sfp_type, { "Interface Transceiver type", "if_sfp_type", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_rx_power, { "Interface RX Optical Power", "if_rx_power", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_tx_power, { "Interface TX Optical Power", "if_tx_power", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_link_status, { "Interface Link Status", "if_link_status", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_phy_mode, { "Interface Endace PHY Mode", "if_phy_mode", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_if_port_type, { "Interface Port Type", "if_port_type", FT_UINT32, BASE_DEC, VALS(erf_port_type), 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_src_ipv4, { "Source IPv4 address", "src_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_ipv4, { "Destination IPv4 address", "dest_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_ipv6, { "Source IPv6 address", "src_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_ipv6, { "Destination IPv6 address", "dest_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_mac, { "Source MAC address", "src_mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_mac, { "Destination MAC address", "dest_mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_eui, { "Source EUI-64 address", "src_eui", FT_EUI64, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_eui, { "Destination EUI-64 address", "dest_eui", FT_EUI64, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_ib_gid, { "Source InfiniBand GID address", "src_ib_gid", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_ib_gid, { "Destination InfiniBand GID address", "dest_ib_gid", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_ib_lid, { "Source InfiniBand LID address", "src_ib_lid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_ib_lid, { "Destination InfiniBand LID address", "dest_ib_lid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_wwn, { "Source WWN address", "src_wwn", FT_FCWWN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_wwn, { "Destination WWN address", "dest_wwn", FT_FCWWN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_fc_id, { "Source FCID address", "src_fc_id", FT_BYTES, SEP_DOT, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_fc_id, { "Destination FCID address", "dest_fc_id", FT_BYTES, SEP_DOT, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_src_port, { "Source Port", "src_port", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_dest_port, { "Destination Port", "dest_port", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ip_proto, { "IP Protocol", "ip_proto", FT_UINT32, BASE_DEC, &ipproto_val_ext, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_flow_hash, { "Flow Hash", "flow_hash", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_filter_match, { "Filter Match", "filter_match", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_filter_match_name, { "Filter Match Name", "filter_match_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_error_flags, { "Error Flags", "error_flags", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_start_time, { "Start Time", "start_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_end_time, { "End Time", "end_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_if_drop, { "Interface Drop", "stat_if_drop", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_frames, { "Packets Received", "stat_frames", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_bytes, { "Bytes Received", "stat_bytes", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_cap, { "Packets Captured", "stat_cap", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_cap_bytes, { "Bytes Captured", "stat_cap_bytes", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_os_drop, { "OS Drop", "stat_os_drop", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_ds_lctr, { "Internal Error Drop", "stat_ds_lctr", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_filter_match, { "Filter Match", "stat_filter_match", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_filter_drop, { "Filter Drop", "stat_filter_drop", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_too_short, { "Packets Too Short", "stat_too_short", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_too_long, { "Packets Too Long", "stat_too_long", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_rx_error, { "Packets RX Error", "stat_rx_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_fcs_error, { "Packets FCS Error", "stat_fcs_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_aborted, { "Packets Aborted", "stat_aborted", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_proto_error, { "Packets Protocol Error", "stat_proto_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_b1_error, { "SDH B1 Errors", "stat_b1_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_b2_error, { "SDH B2 Errors", "stat_b2_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_b3_error, { "SDH B3 Errors", "stat_b3_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_rei_error, { "SDH REI Errors", "stat_rei_error", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_drop, { "Packets Dropped", "stat_drop", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stat_buf_drop, { "Buffer Drop", "stat_buf_drop", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stream_drop, { "Stream Drop", "stream_drop", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_stream_buf_drop, { "Stream Buffer Drop", "stream_buf_drop", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_ns_host_ipv4, { "IPv4 Name", "ns_host_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_ipv6, { "IPv6 Name", "ns_host_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_mac, { "MAC Name", "ns_host_mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_eui, { "EUI Name", "ns_host_eui", FT_EUI64, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_ib_gid, { "InfiniBand GID Name", "ns_host_ib_gid", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_ib_lid, { "InfiniBand LID Name", "ns_host_ib_lid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_wwn, { "WWN Name", "ns_host_wwn", FT_FCWWN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_host_fc_id, { "FCID Name", "ns_host_fc_id", FT_BYTES, SEP_DOT, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_dns_ipv4, { "Nameserver IPv4 address", "ns_dns_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_ns_dns_ipv6, { "Nameserver IPv6 address", "ns_dns_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_TAG_exthdr, { "ERF Extension Header", "exthdr", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_pcap_ng_block, { "PCAP-NG Block", "pcap_ng_block", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_TAG_asn1, { "ASN.1", "asn1", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }
+};
+
+/* Sections are also tags, but enumerate them seperately to make logic simpler */
+static const erf_meta_hf_template_t erf_meta_sections[] = {
+ /*
+ * Some tags (such as generation time) can appear before the first section,
+ * we group these together into a fake section for consistency.
+ */
+ { ERF_META_SECTION_NONE, { "No Section", "section_none", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_UNKNOWN, { "Unknown Section", "section_unknown", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+
+ { ERF_META_SECTION_CAPTURE, { "Capture Section", "section_capture", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_HOST, { "Host Section", "section_host", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_MODULE, { "Module Section", "section_module", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_INTERFACE, { "Interface Section", "section_interface", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_FLOW, { "Flow Section", "section_flow", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_STATS, { "Statistics Section", "section_stats", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_INFO, { "Information Section", "section_info", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_CONTEXT, { "Context Section", "section_context", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_STREAM, { "Stream Section", "section_stream", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_TRANSFORM, { "Transform Section", "section_transform", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_DNS, { "DNS Section", "section_dns", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { ERF_META_SECTION_SOURCE, { "Source Section", "section_source", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }
+};
+
+static erf_meta_tag_info_ex_t* erf_meta_tag_info_ex_new(wmem_allocator_t *allocator) {
+ gsize i = 0;
+ erf_meta_tag_info_ex_t *extra = wmem_new0(allocator, erf_meta_tag_info_ex_t);
+
+ extra->ett_value = -1;
+ for (i = 0; i < array_length(extra->hf_values); i++) {
+ extra->hf_values[i] = -1;
+ }
+
+ return extra;
+}
+
+static erf_meta_tag_info_t*
+init_section_fields(wmem_array_t *hfri_table, wmem_array_t *ett_table, const erf_meta_hf_template_t *section)
+{
+ erf_meta_tag_info_t *section_info;
+ gint *ett_tmp; /* wmem_array_append needs actual memory to copy from */
+ hf_register_info hfri_tmp[] = {
+ { NULL, { "Section ID", NULL, FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, /* Section ID */
+ { NULL, { "Section Length", NULL, FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, /* Section Length */
+ { NULL, { "Reserved", NULL, FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }} /* Reserved extra bytes */
+ };
+
+ section_info = wmem_new0(wmem_epan_scope(), erf_meta_tag_info_t);
+ section_info->code = section->code;
+ section_info->section = section->code; /* Needed for lookup commonality */
+ section_info->ett = -1;
+ section_info->hf_value = -1;
+ section_info->tag_template = section;
+ section_info->extra = erf_meta_tag_info_ex_new(wmem_epan_scope());
+
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.section_id", section->hfinfo.abbrev);
+ hfri_tmp[0].p_id = &section_info->hf_value;
+ hfri_tmp[1].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.section_len", section->hfinfo.abbrev);
+ hfri_tmp[1].p_id = &section_info->extra->hf_values[0];
+ hfri_tmp[2].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.section_hdr_rsvd", section->hfinfo.abbrev);
+ hfri_tmp[2].p_id = &section_info->extra->hf_values[1];
+
+ /* Add hf_register_info, ett entries */
+ wmem_array_append(hfri_table, hfri_tmp, array_length(hfri_tmp));
+ ett_tmp = &section_info->ett;
+ wmem_array_append(ett_table, &ett_tmp, 1);
+ ett_tmp = &section_info->extra->ett_value;
+ wmem_array_append(ett_table, &ett_tmp, 1);
+
+ return section_info;
+}
+
+static erf_meta_tag_info_t*
+init_tag_fields(wmem_array_t *hfri_table, wmem_array_t *ett_table, const erf_meta_hf_template_t *section, const erf_meta_hf_template_t *tag)
+{
+ erf_meta_tag_info_t *tag_info;
+ unsigned int i = 0;
+ gint *ett_tmp; /* wmem_array_append needs actual memory to copy from */
+ hf_register_info hfri_tmp[] = {
+ { NULL, { NULL, NULL, FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, /* Value, will be filled from template */
+ { NULL, { NULL, NULL, FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }} /* Second value, if any */
+ };
+ guint hfri_len = 0;
+
+ tag_info = wmem_new0(wmem_epan_scope(), erf_meta_tag_info_t);
+ tag_info->code = tag->code;
+ tag_info->section = section->code;
+ tag_info->ett = -1;
+ tag_info->hf_value = -1;
+ tag_info->tag_template = tag;
+ tag_info->extra = NULL;
+
+ switch (tag_info->code) {
+ /* Special case: parent section */
+ case ERF_META_TAG_parent_section:
+ tag_info->extra = erf_meta_tag_info_ex_new(wmem_epan_scope());
+
+ hfri_tmp[0].p_id = &tag_info->hf_value;
+ hfri_tmp[0].hfinfo.name = "Section Type";
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.section_type", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_tmp[0].hfinfo.type = FT_UINT16;
+ hfri_tmp[0].hfinfo.display = BASE_DEC;
+ /* XXX: Cannot set strings here as array may be realloced as more added! */
+ hfri_len++;
+
+ hfri_tmp[1].p_id = &tag_info->extra->hf_values[0];
+ hfri_tmp[1].hfinfo.name = "Section ID";
+ hfri_tmp[1].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.section_id", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_tmp[1].hfinfo.type = FT_UINT16;
+ hfri_tmp[1].hfinfo.display = BASE_DEC;
+ hfri_len++;
+ break;
+
+ /* Special case: Link Status bits */
+ case ERF_META_TAG_if_link_status:
+ tag_info->extra = erf_meta_tag_info_ex_new(wmem_epan_scope());
+
+ hfri_tmp[0].p_id = &tag_info->hf_value;
+ hfri_tmp[0].hfinfo = tag->hfinfo;
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_len++;
+
+ hfri_tmp[1].p_id = &tag_info->extra->hf_values[0];
+ hfri_tmp[1].hfinfo.name = "Link";
+ hfri_tmp[1].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.link", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_tmp[1].hfinfo.type = FT_UINT32;
+ hfri_tmp[1].hfinfo.display = BASE_DEC;
+ hfri_tmp[1].hfinfo.bitmask = 0x00000001;
+ hfri_len++;
+ break;
+
+ /* Special case: Tunneling mode bits */
+ case ERF_META_TAG_tunneling_mode:
+ tag_info->extra = erf_meta_tag_info_ex_new(wmem_epan_scope());
+
+ hfri_tmp[0].p_id = &tag_info->hf_value;
+ hfri_tmp[0].hfinfo = tag->hfinfo;
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_len++;
+
+ /* Borrow hfri_tmp[1], inserting each bitfield value */
+ for (i = 0; i < array_length(erf_tunneling_modes); i++) {
+ hfri_tmp[1].p_id = &tag_info->extra->hf_values[i];
+ hfri_tmp[1].hfinfo = erf_tunneling_modes[i];
+ hfri_tmp[1].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.%s", section->hfinfo.abbrev, tag->hfinfo.abbrev, erf_tunneling_modes[i].abbrev);
+ wmem_array_append(hfri_table, &hfri_tmp[1], 1);
+ }
+ break;
+
+ /* Special case: name entry */
+ case ERF_META_TAG_ns_dns_ipv4:
+ case ERF_META_TAG_ns_dns_ipv6:
+ case ERF_META_TAG_ns_host_ipv4:
+ case ERF_META_TAG_ns_host_ipv6:
+ case ERF_META_TAG_ns_host_mac:
+ case ERF_META_TAG_ns_host_eui:
+ case ERF_META_TAG_ns_host_wwn:
+ case ERF_META_TAG_ns_host_ib_gid:
+ case ERF_META_TAG_ns_host_ib_lid:
+ case ERF_META_TAG_ns_host_fc_id:
+ tag_info->extra = erf_meta_tag_info_ex_new(wmem_epan_scope());
+
+ hfri_tmp[0].p_id = &tag_info->hf_value;
+ /* Set type, etc. from template based on address type */
+ hfri_tmp[0].hfinfo = tag->hfinfo;
+ hfri_tmp[0].hfinfo.name = "Address";
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.addr", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_len++;
+
+ hfri_tmp[1].p_id = &tag_info->extra->hf_values[0];
+ hfri_tmp[1].hfinfo.name = "Name";
+ hfri_tmp[1].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s.name", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_tmp[1].hfinfo.type = FT_STRING;
+ hfri_tmp[1].hfinfo.display = BASE_NONE;
+ hfri_len++;
+ break;
+
+ /* Usual case: just use template */
+ default:
+ hfri_tmp[0].p_id = &tag_info->hf_value;
+ hfri_tmp[0].hfinfo = tag->hfinfo;
+ hfri_tmp[0].hfinfo.abbrev = wmem_strdup_printf(wmem_epan_scope(), "erf.meta.%s.%s", section->hfinfo.abbrev, tag->hfinfo.abbrev);
+ hfri_len++;
+ break;
+ }
+
+ /* Add hf_register_info, ett entries */
+ wmem_array_append(hfri_table, hfri_tmp, hfri_len);
+ ett_tmp = &tag_info->ett;
+ wmem_array_append(ett_table, &ett_tmp, 1);
+ return tag_info;
+}
+
+static void
+init_meta_tags(void)
+{
+ unsigned int i, j = 0;
+ const erf_meta_hf_template_t *section = NULL;
+ const erf_meta_hf_template_t *tag = NULL;
+ erf_meta_tag_info_t *tag_info;
+ value_string vs_tmp = {0, NULL};
+
+ erf_meta_index.tag_table = wmem_map_new(wmem_epan_scope(), g_direct_hash, g_direct_equal);
+ erf_meta_index.vs_list = wmem_array_new(wmem_epan_scope(), sizeof(value_string));
+ erf_meta_index.vs_abbrev_list = wmem_array_new(wmem_epan_scope(), sizeof(value_string));
+ erf_meta_index.hfri = wmem_array_new(wmem_epan_scope(), sizeof(hf_register_info));
+ erf_meta_index.ett = wmem_array_new(wmem_epan_scope(), sizeof(gint*));
+
+ /* Generate tag fields */
+ for (j = 0; j < array_length(erf_meta_tags); j++) {
+ tag = &erf_meta_tags[j];
+
+ /* Generate copy of the tag for each section */
+ for (i = 0; i < array_length(erf_meta_sections); i++) {
+ section = &erf_meta_sections[i];
+ tag_info = init_tag_fields(erf_meta_index.hfri, erf_meta_index.ett, section, tag);
+ /* Add to hash table */
+ wmem_map_insert(erf_meta_index.tag_table, GUINT_TO_POINTER(ERF_TAG_INFO_KEY(tag_info)), tag_info);
+ }
+
+ /* Add value string entries */
+ vs_tmp.value = tag->code;
+ vs_tmp.strptr = tag->hfinfo.name;
+ wmem_array_append_one(erf_meta_index.vs_list, vs_tmp);
+ vs_tmp.value = tag->code;
+ vs_tmp.strptr = tag->hfinfo.abbrev;
+ wmem_array_append_one(erf_meta_index.vs_abbrev_list, vs_tmp);
+ }
+
+ /* Generate section fields (skipping section_none and parts of section_unknown) */
+ for (i = 1; i < array_length(erf_meta_sections); i++) {
+ section = &erf_meta_sections[i];
+ tag_info = init_section_fields(erf_meta_index.hfri, erf_meta_index.ett, section);
+
+ if (i != 1) { /* don't add value string for unknown section as it doesn't correspond to one section type code */
+ /* Add to hash table */
+ wmem_map_insert(erf_meta_index.tag_table, GUINT_TO_POINTER(ERF_TAG_INFO_KEY(tag_info)), tag_info);
+ /* Add value string entries */
+ vs_tmp.value = section->code;
+ vs_tmp.strptr = section->hfinfo.name;
+ wmem_array_append_one(erf_meta_index.vs_list, vs_tmp);
+ vs_tmp.value = section->code;
+ vs_tmp.strptr = section->hfinfo.abbrev;
+ wmem_array_append_one(erf_meta_index.vs_abbrev_list, vs_tmp);
+ } else {
+ /* Store section_unknown separately to simplify logic later */
+ erf_meta_index.unknown_section_info = tag_info;
+ }
+ }
+
+ /* Terminate value string lists with {0, NULL} */
+ vs_tmp.value = 0;
+ vs_tmp.strptr = NULL;
+ wmem_array_append_one(erf_meta_index.vs_list, vs_tmp);
+ wmem_array_append_one(erf_meta_index.vs_abbrev_list, vs_tmp);
+ /* TODO: try value_string_ext, requires sorting first */
+}
+
+static int
+erf_source_append(guint64 host_id, guint8 source_id, guint32 num)
+{
+ erf_source_info_t *source_info;
+ guint64 source_key = ERF_SOURCE_KEY(host_id, source_id);
+
+ source_info = (erf_source_info_t*) wmem_map_lookup(erf_state.source_map, &source_key);
+
+ if (!source_info) {
+ guint64 *source_key_ptr = wmem_new(wmem_file_scope(), guint64);
+ *source_key_ptr = source_key;
+
+ source_info = (erf_source_info_t*) wmem_new(wmem_file_scope(), erf_source_info_t);
+ source_info->meta_tree = wmem_tree_new(wmem_file_scope());
+ source_info->meta_list = wmem_list_new(wmem_file_scope());
+
+ wmem_map_insert(erf_state.source_map, source_key_ptr, source_info);
+ }
+
+ /* Add the frame to the list for that source */
+ wmem_list_append(source_info->meta_list, GUINT_TO_POINTER(num));
+ /*
+ * XXX: This assumes we are inserting fd_num in order, which we are as we use
+ * PINFO_FD_VISITED in caller.
+ */
+ wmem_tree_insert32(source_info->meta_tree, num, wmem_list_tail(source_info->meta_list));
+
+ return 0;
+}
+
+static guint32
+erf_source_find_closest(guint64 host_id, guint8 source_id, guint32 fnum, guint32 *fnum_next_ptr) {
+ wmem_list_frame_t *list_frame = NULL;
+ wmem_list_frame_t *list_frame_prev = NULL;
+ erf_source_info_t *source_info = NULL;
+ guint64 source_key = ERF_SOURCE_KEY(host_id, source_id);
+ guint32 fnum_prev = G_MAXUINT32;
+ guint32 fnum_next = G_MAXUINT32;
+
+ source_info = (erf_source_info_t*) wmem_map_lookup(erf_state.source_map, &source_key);
+
+ if (source_info) {
+ list_frame = (wmem_list_frame_t*) wmem_tree_lookup32_le(source_info->meta_tree, fnum);
+
+ if (list_frame) {
+ fnum_prev = GPOINTER_TO_UINT(wmem_list_frame_data(list_frame));
+ /* If looking at a metadata record, get the real previous meta frame */
+ if (fnum_prev == fnum) {
+ list_frame_prev = wmem_list_frame_prev(list_frame);
+ fnum_prev = list_frame_prev ? GPOINTER_TO_UINT(wmem_list_frame_data(list_frame_prev)) : G_MAXUINT32;
+ }
+
+ list_frame = wmem_list_frame_next(list_frame);
+ fnum_next = list_frame ? GPOINTER_TO_UINT(wmem_list_frame_data(list_frame)) : G_MAXUINT32;
+ } else {
+ /*
+ * XXX: Edge case: still need the first meta record to find the next one at the
+ * beginning of the file.
+ */
+ list_frame = wmem_list_head(source_info->meta_list);
+ fnum_next = list_frame ? GPOINTER_TO_UINT(wmem_list_frame_data(list_frame)) : G_MAXUINT32;
+ fnum_prev = G_MAXUINT32;
+ }
+ }
+
+ if (fnum_next_ptr)
+ *fnum_next_ptr = fnum_next;
+
+ return fnum_prev;
+}
/* Copy of atm_guess_traffic_type from atm.c in /wiretap */
static void
@@ -770,6 +1366,85 @@ dissect_signature_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
}
static void
+dissect_host_id_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int idx)
+{
+ if(tree) {
+ guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr;
+
+ proto_tree_add_uint(tree, hf_erf_ehdr_host_id_sourceid, tvb, 0, 0, (guint8)((hdr >> 48) & 0xFF));
+ proto_tree_add_uint64(tree, hf_erf_ehdr_host_id_hostid, tvb, 0, 0, (hdr & ERF_EHDR_HOST_ID_MASK));
+ }
+}
+
+static void
+dissect_flow_id_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int idx)
+{
+ if(tree) {
+ guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr;
+
+ proto_tree_add_uint(tree, hf_erf_ehdr_flow_id_source_id, tvb, 0, 0, (guint8)((hdr >> 48) & 0xFF));
+ proto_tree_add_uint(tree, hf_erf_ehdr_flow_id_hash_type, tvb, 0, 0, (guint8)((hdr >> 40) & 0xFF));
+ proto_tree_add_uint(tree, hf_erf_ehdr_flow_id_stack_type, tvb, 0, 0, (guint8)((hdr >> 32) & 0xFF));
+ proto_tree_add_uint(tree, hf_erf_ehdr_flow_id_flow_hash, tvb, 0, 0, (guint32)(hdr & 0xFFFFFFFF));
+ }
+}
+
+static guint64
+find_host_id(packet_info *pinfo) {
+ guint64 *hdr = NULL;
+
+ hdr = erf_get_ehdr(pinfo, ERF_EXT_HDR_TYPE_HOST_ID, NULL);
+
+ return hdr ? (*hdr & ERF_EHDR_HOST_ID_MASK) : 0;
+}
+
+static void
+dissect_host_id_source_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint64 host_id, guint8 source_id)
+{
+ if (tree) {
+ proto_tree *hostid_tree;
+ proto_item *pi = NULL;
+ guint32 fnum_current = G_MAXUINT32;
+ guint32 fnum = G_MAXUINT32;
+ guint32 fnum_next = G_MAXUINT32;
+
+ fnum = erf_source_find_closest(host_id, source_id, pinfo->num, &fnum_next);
+
+ if (fnum != G_MAXUINT32) {
+ fnum_current = fnum;
+ } else {
+ /* XXX: Possibly undesireable side effect: first metadata record links to next */
+ fnum_current = fnum_next;
+ }
+
+ if (fnum_current != G_MAXUINT32) {
+ pi = proto_tree_add_uint_format(tree, hf_erf_source_current, tvb, 0, 0, fnum_current,
+ "Host ID: 0x%012" G_GINT64_MODIFIER "x, Source ID: %u", host_id, source_id&0xFF);
+ hostid_tree = proto_item_add_subtree(pi, ett_erf_source);
+ } else {
+ /* If we have no frame number to link against, just add a static subtree */
+ hostid_tree = proto_tree_add_subtree_format(tree, tvb, 0, 0, ett_erf_source, &pi,
+ "Host ID: 0x%012" G_GINT64_MODIFIER "x, Source ID: %u", host_id, source_id&0xFF);
+ }
+ PROTO_ITEM_SET_GENERATED(pi);
+
+ pi = proto_tree_add_uint64(hostid_tree, hf_erf_hostid, tvb, 0, 0, host_id);
+ PROTO_ITEM_SET_GENERATED(pi);
+ pi = proto_tree_add_uint(hostid_tree, hf_erf_sourceid, tvb, 0, 0, source_id);
+ PROTO_ITEM_SET_GENERATED(pi);
+
+ if (fnum_next != G_MAXUINT32) {
+ pi = proto_tree_add_uint(hostid_tree, hf_erf_source_next, tvb, 0, 0, fnum_next);
+ PROTO_ITEM_SET_GENERATED(pi);
+ }
+ if (fnum != G_MAXUINT32) {
+ pi = proto_tree_add_uint(hostid_tree, hf_erf_source_prev, tvb, 0, 0, fnum);
+ PROTO_ITEM_SET_GENERATED(pi);
+ }
+ }
+}
+
+static void
dissect_unknown_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int idx)
{
if (tree) {
@@ -1059,40 +1734,98 @@ dissect_erf_pseudo_extension_header(tvbuff_t *tvb, packet_info *pinfo, proto_tre
{
proto_item *pi;
proto_item *ehdr_tree;
+ guint64 hdr;
guint8 type;
guint8 has_more = pinfo->pseudo_header->erf.phdr.type & 0x80;
int i = 0;
int max = sizeof(pinfo->pseudo_header->erf.ehdr_list)/sizeof(struct erf_ehdr);
+ guint64 host_id = 0;
+ guint8 source_id = 0;
+ guint64 host_id_last = 0;
+ guint8 source_id_last = 0;
+
+ /*
+ * Get the first Host ID of the record (which may not be the first extension
+ * header).
+ */
+ host_id = find_host_id(pinfo);
+ if (host_id == 0) {
+ /*
+ * XXX: We are relying here on the Wireshark doing a second parse any
+ * time it does anything with tree items (including filtering) to associate
+ * the records before the first ERF_TYPE_META record. This does not work
+ * with TShark in one-pass mode, in which case the first few records get
+ * Host ID 0 (unset).
+ */
+ host_id = erf_state.implicit_host_id;
+ }
+
while(has_more && (i < max)) {
- type = (guint8) (pinfo->pseudo_header->erf.ehdr_list[i].ehdr >> 56);
+ hdr = pinfo->pseudo_header->erf.ehdr_list[i].ehdr;
+ type = (guint8) (hdr >> 56);
pi = proto_tree_add_uint(tree, hf_erf_ehdr_t, tvb, 0, 0, (type & 0x7f));
ehdr_tree = proto_item_add_subtree(pi, ett_erf_pseudo_hdr);
switch (type & 0x7f) {
- case EXT_HDR_TYPE_CLASSIFICATION:
+ case ERF_EXT_HDR_TYPE_CLASSIFICATION:
dissect_classification_ex_header(tvb, pinfo, ehdr_tree, i);
break;
- case EXT_HDR_TYPE_INTERCEPTID:
+ case ERF_EXT_HDR_TYPE_INTERCEPTID:
dissect_intercept_ex_header(tvb, pinfo, ehdr_tree, i);
break;
- case EXT_HDR_TYPE_RAW_LINK:
+ case ERF_EXT_HDR_TYPE_RAW_LINK:
dissect_raw_link_ex_header(tvb, pinfo, ehdr_tree, i);
break;
- case EXT_HDR_TYPE_BFS:
+ case ERF_EXT_HDR_TYPE_BFS:
dissect_bfs_ex_header(tvb, pinfo, ehdr_tree, i);
break;
- case EXT_HDR_TYPE_CHANNELISED:
+ case ERF_EXT_HDR_TYPE_CHANNELISED:
dissect_channelised_ex_header(tvb, pinfo, ehdr_tree, i);
break;
- case EXT_HDR_TYPE_SIGNATURE:
+ case ERF_EXT_HDR_TYPE_SIGNATURE:
dissect_signature_ex_header(tvb, pinfo, ehdr_tree, i);
break;
+ case ERF_EXT_HDR_TYPE_FLOW_ID:
+ source_id = (guint8)((hdr >> 48) & 0xFF);
+ dissect_flow_id_ex_header(tvb, pinfo, ehdr_tree, i);
+ break;
+ case ERF_EXT_HDR_TYPE_HOST_ID:
+ host_id = hdr & ERF_EHDR_HOST_ID_MASK;
+ source_id = (guint8)((hdr >> 48) & 0xFF);
+ dissect_host_id_ex_header(tvb, pinfo, ehdr_tree, i);
+ break;
default:
dissect_unknown_ex_header(tvb, pinfo, ehdr_tree, i);
break;
}
+
+ /* Track and dissect combined Host ID and Source ID(s) */
+ if (source_id != source_id_last || host_id != host_id_last) {
+ /*
+ * TODO: Do we also want to track Host ID 0 Source ID 0 records? These
+ * are technically unassociated.
+ */
+ if (!PINFO_FD_VISITED(pinfo)) {
+ if ((pinfo->pseudo_header->erf.phdr.type & 0x7f) == ERF_TYPE_META) {
+ /* Update the implicit Host ID when ERF_TYPE_META */
+ /* XXX: We currently assume there is only one in the whole file */
+ if (erf_state.implicit_host_id == 0 && source_id > 0) {
+ erf_state.implicit_host_id = host_id;
+ }
+
+ /* Add to the sequence of ERF_TYPE_META records */
+ erf_source_append(host_id, source_id, pinfo->num);
+ }
+ }
+
+ dissect_host_id_source_id(tvb, pinfo, tree, host_id, source_id);
+ }
+
+ host_id_last = host_id;
+ source_id_last = source_id;
+
has_more = type & 0x80;
i += 1;
}
@@ -1131,6 +1864,298 @@ guint64* erf_get_ehdr(packet_info *pinfo, guint8 hdrtype, gint* afterindex) {
return NULL;
}
+static void
+check_section_length(packet_info *pinfo, proto_item *sectionlen_pi, int offset, int sectionoffset, int sectionlen) {
+ if (sectionlen_pi) {
+ if (offset - sectionoffset == sectionlen) {
+ proto_item_append_text(sectionlen_pi, " [correct]");
+ } else if (sectionlen != 0) {
+ proto_item_append_text(sectionlen_pi, " [incorrect, should be %u]", offset - sectionoffset);
+ expert_add_info(pinfo, sectionlen_pi, &ei_erf_meta_section_len_error);
+ }
+ }
+}
+
+static void
+dissect_meta_record_tags(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
+ proto_item *pi = NULL;
+ proto_item *tag_pi = NULL;
+ proto_item *tag_tree;
+ proto_item *section_pi = NULL;
+ proto_item *section_tree = tree;
+ proto_item *sectionlen_pi = NULL;
+
+ guint16 sectiontype = ERF_META_SECTION_NONE;
+ guint16 tagtype = 0;
+ guint16 taglength = 0;
+ const gchar *tagvalstring = NULL;
+ erf_meta_tag_info_t *tag_info;
+
+ /* Used for search entry and unknown tags */
+ erf_meta_hf_template_t tag_template_unknown = { 0, { "Unknown", "unknown",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } };
+ erf_meta_tag_info_t tag_info_local = { 0, 0, &tag_template_unknown,
+ ett_erf_meta_tag, hf_erf_meta_tag_unknown, NULL };
+
+ int offset = 0;
+ int sectionoffset = 0;
+ guint16 sectionid = 0;
+ guint16 sectionlen = 0;
+
+ /* Set column heading title*/
+ col_set_str(pinfo->cinfo, COL_INFO, "MetaERF Record");
+
+ /* Go through the sectionss and their tags */
+ while (tvb_captured_length_remaining(tvb, offset) > 4) {
+ tagtype = tvb_get_ntohs(tvb, offset);
+ taglength = tvb_get_ntohs(tvb, offset + 2);
+ tag_tree = NULL;
+
+ if (ERF_META_IS_SECTION(tagtype))
+ sectiontype = tagtype;
+
+ /* Look up per-section tag hf */
+ tag_info_local.code = tagtype;
+ tag_info_local.section = sectiontype;
+ tag_info = (erf_meta_tag_info_t*) wmem_map_lookup(erf_meta_index.tag_table, GUINT_TO_POINTER(ERF_TAG_INFO_KEY(&tag_info_local)));
+
+ /* Fall back to unknown tag */
+ if (tag_info == NULL)
+ tag_info = &tag_info_local;
+
+ /* Dissect value, length and type */
+ if (ERF_META_IS_SECTION(tagtype)) { /* Section header tag */
+ if (section_pi) {
+ /* Update section item length of last section */
+ proto_item_set_len(section_pi, offset - sectionoffset);
+ if (sectionlen_pi) {
+ check_section_length(pinfo, sectionlen_pi, offset, sectionoffset, sectionlen);
+ }
+ }
+
+ sectionoffset = offset;
+ if (tag_info->tag_template == &tag_template_unknown) {
+ /* Unknown section */
+ sectiontype = ERF_META_SECTION_UNKNOWN;
+ tag_info = erf_meta_index.unknown_section_info;
+ }
+ DISSECTOR_ASSERT(tag_info->extra);
+
+ tagvalstring = val_to_str(tagtype, VALS(wmem_array_get_raw(erf_meta_index.vs_list)), "Unknown Section (0x%x)");
+ section_tree = proto_tree_add_subtree_format(tree, tvb, offset, 0, tag_info->extra->ett_value, &section_pi, "MetaERF %s", tagvalstring);
+ tag_tree = proto_tree_add_subtree_format(section_tree, tvb, offset, taglength + 4, tag_info->ett, &tag_pi, "%s Header", tagvalstring);
+
+ if (taglength > 0) {
+ sectionid = tvb_get_ntohs(tvb, offset + 4);
+ sectionlen = tvb_get_ntohs(tvb, offset + 6);
+
+ /* Add section_id */
+ proto_tree_add_uint(tag_tree, tag_info->hf_value, tvb, offset + 4, 2, sectionid);
+ if (sectionid != 0)
+ proto_item_append_text(section_pi, " %u", sectionid);
+
+ /* Add section_len */
+ sectionlen_pi = proto_tree_add_uint(tag_tree, tag_info->extra->hf_values[0], tvb, offset + 6, 2, sectionlen);
+
+ /* Reserved extra section header information */
+ if (taglength > 4) {
+ proto_tree_add_item(tag_tree, tag_info->extra->hf_values[1], tvb, offset + 8, taglength - 4, ENC_NA);
+ }
+ }
+ } else { /* Not section header tag */
+ enum ftenum tag_ft;
+ char pi_label[ITEM_LABEL_LENGTH+1];
+ gboolean dissected = TRUE;
+ guint32 value32;
+ guint64 value64;
+ gchar *tmp = NULL;
+
+ tag_ft = tag_info->tag_template->hfinfo.type;
+ pi_label[0] = '\0';
+
+ /* Group tags before first section header into a fake section */
+ if (offset == 0) {
+ section_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_erf_meta, &section_pi, "MetaERF No Section");
+ }
+
+ /* Handle special cases */
+ /* TODO: might want to do this dynamically via tag_info callback */
+ switch (tagtype) {
+ /* TODO: use get_tcp_port in epan/addr_resolv.h etc */
+ case ERF_META_TAG_if_speed:
+ case ERF_META_TAG_if_tx_speed:
+ value64 = tvb_get_ntoh64(tvb, offset + 4);
+ tmp = format_size((gint64) value64, (format_size_flags_e)(format_size_unit_bits_s|format_size_prefix_si));
+ tag_pi = proto_tree_add_uint64_format_value(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, value64, "%s (%" G_GINT64_MODIFIER "u bps)", tmp, value64);
+ g_free(tmp);
+ break;
+
+ case ERF_META_TAG_if_rx_power:
+ case ERF_META_TAG_if_tx_power:
+ value32 = tvb_get_ntohl(tvb, offset + 4);
+ tag_pi = proto_tree_add_int_format_value(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, (gint32) value32, "%.2fdBm", (float)((gint32) value32)/100.0);
+ break;
+
+ case ERF_META_TAG_loc_lat:
+ case ERF_META_TAG_loc_long:
+ value32 = tvb_get_ntohl(tvb, offset + 4);
+ tag_pi = proto_tree_add_int_format_value(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, (gint32) value32, "%.2f", (double)((gint32) value32)*1000000.0);
+ break;
+
+ case ERF_META_TAG_mask_cidr:
+ value32 = tvb_get_ntohl(tvb, offset + 4);
+ tag_pi = proto_tree_add_uint_format_value(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, value32, "/%u", value32);
+ break;
+
+ case ERF_META_TAG_mem:
+ value64 = tvb_get_ntoh64(tvb, offset + 4);
+ tmp = format_size((gint64) value64, (format_size_flags_e)(format_size_unit_bytes|format_size_prefix_iec));
+ tag_pi = proto_tree_add_uint64_format_value(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, value64, "%s (%" G_GINT64_MODIFIER"u bytes)", tmp, value64);
+ g_free(tmp);
+ break;
+
+ case ERF_META_TAG_parent_section:
+ DISSECTOR_ASSERT(tag_info->extra);
+ value32 = tvb_get_ntohs(tvb, offset + 4);
+ /*
+ * XXX: Formatting value manually because don't have erf_meta_vs_list
+ * populated at registration time.
+ */
+ tag_tree = proto_tree_add_subtree_format(section_tree, tvb, offset + 4, taglength, tag_info->ett, &tag_pi, "%s: %s %u", tag_info->tag_template->hfinfo.name,
+ val_to_str(value32, VALS(wmem_array_get_raw(erf_meta_index.vs_list)), "Unknown Section (%u)"), tvb_get_ntohs(tvb, offset + 4 + 2));
+
+ proto_tree_add_uint_format_value(tag_tree, tag_info->hf_value, tvb, offset + 4, MIN(2, taglength), value32, "%s (%u)",
+ val_to_str(value32, VALS(wmem_array_get_raw(erf_meta_index.vs_abbrev_list)), "Unknown"), value32);
+ proto_tree_add_item(tag_tree, tag_info->extra->hf_values[0], tvb, offset + 6, MIN(2, taglength - 2), ENC_BIG_ENDIAN);
+ break;
+
+ case ERF_META_TAG_reset:
+ tag_pi = proto_tree_add_item(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, ENC_NA);
+ expert_add_info(pinfo, tag_pi, &ei_erf_meta_reset);
+ break;
+
+ case ERF_META_TAG_if_link_status:
+ DISSECTOR_ASSERT(tag_info->extra);
+ {
+ const int *link_status_flags[] = {
+ &tag_info->extra->hf_values[0],
+ NULL
+ };
+
+ tag_pi = proto_tree_add_bitmask(section_tree, tvb, offset + 4, tag_info->hf_value, tag_info->ett, link_status_flags, ENC_BIG_ENDIAN);
+ tag_tree = proto_item_get_subtree(tag_pi);
+ }
+ break;
+
+ case ERF_META_TAG_tunneling_mode:
+ DISSECTOR_ASSERT(tag_info->extra);
+ {
+ const int* tunneling_mode_flags[array_length(erf_tunneling_modes)+1];
+ int i;
+
+ /* XXX: This is allowed as the array itself is not constant (not const int* const) */
+ for (i = 0; i < (int) array_length(erf_tunneling_modes); i++) {
+ tunneling_mode_flags[i] = &tag_info->extra->hf_values[i];
+ }
+ tunneling_mode_flags[array_length(erf_tunneling_modes)] = NULL;
+
+ tag_pi = proto_tree_add_bitmask(section_tree, tvb, offset + 4, tag_info->hf_value, tag_info->ett, tunneling_mode_flags, ENC_BIG_ENDIAN);
+ }
+ break;
+
+ case ERF_META_TAG_ns_dns_ipv4:
+ case ERF_META_TAG_ns_dns_ipv6:
+ case ERF_META_TAG_ns_host_ipv4:
+ case ERF_META_TAG_ns_host_ipv6:
+ case ERF_META_TAG_ns_host_mac:
+ case ERF_META_TAG_ns_host_eui:
+ case ERF_META_TAG_ns_host_wwn:
+ case ERF_META_TAG_ns_host_ib_gid:
+ case ERF_META_TAG_ns_host_ib_lid:
+ case ERF_META_TAG_ns_host_fc_id:
+ {
+ int addr_len = ftype_length(tag_ft);
+
+ DISSECTOR_ASSERT(tag_info->extra);
+
+ tag_tree = proto_tree_add_subtree(section_tree, tvb, offset + 4, taglength, tag_info->ett, &tag_pi, tag_info->tag_template->hfinfo.name);
+ /* Address */
+ pi = proto_tree_add_item(tag_tree, tag_info->hf_value, tvb, offset + 4, MIN(addr_len, taglength), IS_FT_INT(tag_ft) || IS_FT_UINT(tag_ft) ? ENC_BIG_ENDIAN : ENC_NA);
+ /* Name */
+ proto_tree_add_item(tag_tree, tag_info->extra->hf_values[0], tvb, offset + 4 + addr_len, taglength - addr_len, ENC_UTF_8);
+ if (pi) {
+ proto_item_fill_label(PITEM_FINFO(pi), pi_label);
+ /* Set top level label TagName: Address Hostname */
+ proto_item_append_text(tag_pi, "%s %s", pi_label /* Includes ": " */,
+ tvb_get_stringzpad(wmem_packet_scope(), tvb, offset + 4 + addr_len, taglength - addr_len, ENC_UTF_8));
+ }
+
+ break;
+ }
+
+ default:
+ dissected = FALSE;
+ break;
+ }
+
+ /* If not special case, dissect generically from template */
+ if (!dissected) {
+ if (IS_FT_INT(tag_ft) || IS_FT_UINT(tag_ft)) {
+ tag_pi = proto_tree_add_item(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, ENC_BIG_ENDIAN);
+ } else if (IS_FT_STRING(tag_ft)) {
+ tag_pi = proto_tree_add_item(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, ENC_UTF_8);
+ } else if (IS_FT_TIME(tag_ft)) {
+ /*
+ * ERF timestamps are conveniently the same as NTP/PTP timestamps but
+ * little endian.
+ */
+ /*
+ * FIXME: ENC_TIME_NTP(_BASE_ZERO) | ENC_LITTLE_ENDIAN only swaps the
+ * upper and lower 32 bits. Is that a bug or by design? Should add
+ * a 'PTP" variant that doesn't round to microseconds and use that
+ * here. For now do by hand.
+ */
+ nstime_t t;
+ guint64 ts;
+
+ ts = tvb_get_letoh64(tvb, offset + 4);
+
+ t.secs = (long) (ts >> 32);
+ ts = ((ts & 0xffffffff) * 1000 * 1000 * 1000);
+ ts += (ts & 0x80000000) << 1; /* rounding */
+ t.nsecs = ((int) (ts >> 32));
+ if (t.nsecs >= 1000000000) {
+ t.nsecs -= 1000000000;
+ t.secs += 1;
+ }
+
+ tag_pi = proto_tree_add_time(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, &t);
+ } else {
+ tag_pi = proto_tree_add_item(section_tree, tag_info->hf_value, tvb, offset + 4, taglength, ENC_NA);
+ }
+ }
+ }
+
+ /* Create subtree for tag if we haven't already */
+ if (!tag_tree)
+ tag_tree = proto_item_add_subtree(tag_pi, tag_info->ett);
+
+ /* Add tag type field to subtree */
+ /*
+ * XXX: Formatting value manually because don't have erf_meta_vs_list
+ * populated at registration time.
+ */
+ proto_tree_add_uint_format_value(tag_tree, hf_erf_meta_tag_type, tvb, offset, 2, tagtype, "%s (%u)", val_to_str(tagtype, VALS(wmem_array_get_raw(erf_meta_index.vs_abbrev_list)), "Unknown"), tagtype);
+ proto_tree_add_uint(tag_tree, hf_erf_meta_tag_len, tvb, offset + 2, 2, taglength);
+
+ offset += ((taglength + 4) + 0x3) & ~0x3;
+ }
+
+ /* Check final section length */
+ proto_item_set_len(section_pi, offset - sectionoffset);
+ check_section_length(pinfo, sectionlen_pi, offset, sectionoffset, sectionlen);
+}
+
static int
dissect_erf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
@@ -1414,8 +2439,7 @@ dissect_erf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
break;
case ERF_TYPE_META:
- /* use data dissector for now */
- call_data_dissector(tvb, pinfo, tree);
+ dissect_meta_record_tags(tvb, pinfo, erf_tree);
break;
default:
@@ -1424,6 +2448,13 @@ dissect_erf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
return tvb_captured_length(tvb);
}
+static void erf_init_dissection(void)
+{
+ erf_state.implicit_host_id = 0;
+ erf_state.source_map = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal);
+ /* Old map is freed automatically */
+}
+
void
proto_register_erf(void)
{
@@ -1578,6 +2609,45 @@ proto_register_erf(void)
{ "Flow Hash", "erf.ehdr.signature.flowhash",
FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL } },
+ /* Flow ID Extension Header */
+ { &hf_erf_ehdr_flow_id_source_id,
+ { "Source ID", "erf.ehdr.flowid.sourceid",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
+ { &hf_erf_ehdr_flow_id_hash_type,
+ { "Hash Type", "erf.ehdr.flowid.hashtype",
+ FT_UINT8, BASE_HEX, VALS(erf_hash_type), 0, NULL, HFILL } },
+ { &hf_erf_ehdr_flow_id_stack_type,
+ { "Stack Type", "erf.ehdr.flowid.stacktype",
+ FT_UINT8, BASE_HEX, VALS(erf_stack_type), 0, NULL, HFILL } },
+ { &hf_erf_ehdr_flow_id_flow_hash,
+ { "Flow Hash", "erf.ehdr.flowid.flowhash",
+ FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } },
+
+ /* Host ID Extension Header */
+ { &hf_erf_ehdr_host_id_sourceid,
+ { "Source ID", "erf.ehdr.hostid.sourceid",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
+ { &hf_erf_ehdr_host_id_hostid,
+ { "Host ID", "erf.ehdr.hostid.hostid",
+ FT_UINT48, BASE_HEX, NULL, 0, NULL, HFILL } },
+
+ /* Generated fields for navigating Host ID/Source ID */
+ { &hf_erf_sourceid,
+ { "Source ID", "erf.sourceid",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
+ { &hf_erf_hostid,
+ { "Host ID", "erf.hostid",
+ FT_UINT48, BASE_HEX, NULL, 0, NULL, HFILL } },
+ { &hf_erf_source_current,
+ { "Next Metadata in Source", "erf.source_meta_frame_current",
+ FT_FRAMENUM, BASE_NONE, NULL, 0, NULL, HFILL } },
+ { &hf_erf_source_next,
+ { "Next Metadata in Source", "erf.source_meta_frame_next",
+ FT_FRAMENUM, BASE_NONE, NULL, 0, NULL, HFILL } },
+ { &hf_erf_source_prev,
+ { "Previous Metadata in Source", "erf.source_meta_frame_prev",
+ FT_FRAMENUM, BASE_NONE, NULL, 0, NULL, HFILL } },
+
/* Unknown Extension Header */
{ &hf_erf_ehdr_unk,
{ "Data", "erf.ehdr.unknown.data",
@@ -1805,6 +2875,17 @@ proto_register_erf(void)
{ &hf_erf_eth_pad,
{ "Padding", "erf.eth.pad",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+
+ /* MetaERF record unknown tags */
+ { &hf_erf_meta_tag_type,
+ { "Tag Type", "erf.meta.tag.type",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_erf_meta_tag_len,
+ { "Tag Length", "erf.meta.tag.len",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_erf_meta_tag_unknown,
+ { "Value", "erf.meta.unknown",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }
};
static gint *ett[] = {
@@ -1819,7 +2900,10 @@ proto_register_erf(void)
&ett_erf_mc_aal5,
&ett_erf_mc_aal2,
&ett_erf_aal2,
- &ett_erf_eth
+ &ett_erf_eth,
+ &ett_erf_meta,
+ &ett_erf_meta_tag,
+ &ett_erf_source
};
static const enum_val_t erf_hdlc_options[] = {
@@ -1842,6 +2926,8 @@ proto_register_erf(void)
{ &ei_erf_checksum_error, { "erf.checksum.error", PI_CHECKSUM, PI_ERROR, "ERF MC FCS Error", EXPFILL }},
{ &ei_erf_packet_loss, { "erf.packet_loss", PI_SEQUENCE, PI_WARN, "Packet loss occurred between previous and current packet", EXPFILL }},
{ &ei_erf_extension_headers_not_shown, { "erf.ehdr.more_not_shown", PI_SEQUENCE, PI_WARN, "More extension headers were present, not shown", EXPFILL }},
+ { &ei_erf_meta_section_len_error, { "erf.meta.section_len.error", PI_PROTOCOL, PI_ERROR, "MetaERF Section Length incorrect", EXPFILL }},
+ { &ei_erf_meta_reset, { "erf.meta.metadata_reset", PI_PROTOCOL, PI_WARN, "MetaERF metadata reset", EXPFILL }}
};
module_t *erf_module;
@@ -1850,11 +2936,17 @@ proto_register_erf(void)
proto_erf = proto_register_protocol("Extensible Record Format", "ERF", "erf");
erf_handle = register_dissector("erf", dissect_erf, proto_erf);
+ init_meta_tags();
+
proto_register_field_array(proto_erf, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_erf = expert_register_protocol(proto_erf);
expert_register_field_array(expert_erf, ei, array_length(ei));
+ /* Register per-section MetaERF fields */
+ proto_register_field_array(proto_erf, (hf_register_info*) wmem_array_get_raw(erf_meta_index.hfri), (int) wmem_array_get_count(erf_meta_index.hfri));
+ proto_register_subtree_array((gint**) wmem_array_get_raw(erf_meta_index.ett), (int) wmem_array_get_count(erf_meta_index.ett));
+
erf_module = prefs_register_protocol(proto_erf, NULL);
prefs_register_enum_preference(erf_module, "hdlc_type", "ERF_HDLC Layer 2",
@@ -1878,12 +2970,17 @@ proto_register_erf(void)
&erf_ethfcs);
erf_dissector_table = register_dissector_table("erf.types.type", "Type", proto_erf, FT_UINT8, BASE_DEC, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
+
+ register_init_routine(erf_init_dissection);
+ /* No extra cleanup needed */
}
void
proto_reg_handoff_erf(void)
{
dissector_add_uint("wtap_encap", WTAP_ENCAP_ERF, erf_handle);
+ /* Also register dissector for MetaERF non-packet records */
+ dissector_add_uint("wtap_fts_rec", WTAP_FILE_TYPE_SUBTYPE_ERF, erf_handle);
/* Get handles for serial line protocols */
chdlc_handle = find_dissector_add_dependency("chdlc", proto_erf);