#include "suricata-common.h"
#include "suricata-plugin.h"
#include "threadvars.h"
#include "util-debug.h"
#include "decode-events.h"
#include "util-exception-policy-types.h"
#include "util-datalink.h"
#include "flow-worker.h"
#include "app-layer-protos.h"
#include "source-nflog.h"
#include "source-nfq.h"
#include "source-ipfw.h"
#include "source-pcap.h"
#include "source-af-packet.h"
#include "source-netmap.h"
#include "source-windivert.h"
#include "decode-ethernet.h"
#include "decode-gre.h"
#include "decode-ppp.h"
#include "decode-ipv4.h"
#include "decode-ipv6.h"
#include "decode-icmpv4.h"
#include "decode-icmpv6.h"
#include "decode-tcp.h"
#include "decode-udp.h"
#include "decode-sctp.h"
#include "decode-esp.h"
#include "decode-vlan.h"
#include "decode-mpls.h"
#include "decode-arp.h"
#include "util-validate.h"

Include dependency graph for decode.h:

Data Structures
struct	Address_

struct	PacketContextData

struct	PacketAlert_

struct	PacketAlerts_

struct	PacketEngineEvents_

struct	PktVar_

struct	PktProfilingTmmData_
	Per TMM stats storage. More...

struct	PktProfilingData_

struct	PktProfilingDetectData_

struct	PktProfilingAppData_

struct	PktProfilingLoggerData_

struct	PktProfiling_
	Per pkt stats storage. More...

struct	PacketL2

union	PacketL2::L2Hdrs

struct	PacketL3

union	PacketL3::Hdrs

struct	PacketL4

union	PacketL4::L4Hdrs

union	PacketL4::L4Vars

struct	Packet_

struct	DecodeThreadVars_
	Structure to hold thread specific data for all decode modules. More...

<

flags

uint8_t flags

Definition: decode-gre.h:0

PACKET_ENGINE_EVENT_MAX

#define PACKET_ENGINE_EVENT_MAX

Definition: decode.h:303

s_ip_dst

#define s_ip_dst

Definition: decode-ipv4.h:92

PKT_IS_INVALID

#define PKT_IS_INVALID

Definition: decode.h:1293

src
decode.h
Generated on Mon Dec 8 2025 23:30:39 for suricata by 1.8.18

Macros
#define	COUNTERS

#define	SignatureMask uint8_t

#define	addr_data32 address.address_un_data32

#define	addr_data16 address.address_un_data16

#define	addr_data8 address.address_un_data8

#define	addr_in6addr address.address_un_in6

#define	COPY_ADDRESS(a, b)

#define	SET_IPV4_SRC_ADDR(ip4h, a)

#define	SET_IPV4_DST_ADDR(ip4h, a)

#define	SET_IPV6_SRC_ADDR(ip6h, a)

#define	SET_IPV6_DST_ADDR(ip6h, a)

#define	SET_TCP_SRC_PORT(pkt, prt)

#define	SET_TCP_DST_PORT(pkt, prt)

#define	SET_UDP_SRC_PORT(pkt, prt)

#define	SET_UDP_DST_PORT(pkt, prt)

#define	GET_IPV4_SRC_ADDR_U32(p) ((p)->src.addr_data32[0])

#define	GET_IPV4_DST_ADDR_U32(p) ((p)->dst.addr_data32[0])

#define	GET_IPV4_SRC_ADDR_PTR(p) ((p)->src.addr_data32)

#define	GET_IPV4_DST_ADDR_PTR(p) ((p)->dst.addr_data32)

#define	GET_IPV6_SRC_IN6ADDR(p) ((p)->src.addr_in6addr)

#define	GET_IPV6_DST_IN6ADDR(p) ((p)->dst.addr_in6addr)

#define	GET_IPV6_SRC_ADDR(p) ((p)->src.addr_data32)

#define	GET_IPV6_DST_ADDR(p) ((p)->dst.addr_data32)

#define	GET_TCP_SRC_PORT(p) ((p)->sp)

#define	GET_TCP_DST_PORT(p) ((p)->dp)

#define	GET_PKT_LEN(p) (p)->pktlen

#define	GET_PKT_DATA(p) (((p)->ext_pkt == NULL) ? GET_PKT_DIRECT_DATA(p) : (p)->ext_pkt)

#define	GET_PKT_DIRECT_DATA(p) (p)->pkt_data

#define	GET_PKT_DIRECT_MAX_SIZE(p) (default_packet_size)

#define	SET_PKT_LEN(p, len)

#define	SET_PORT(v, p) ((p) = (v))

#define	COPY_PORT(a, b) ((b) = (a))

#define	CMP_ADDR(a1, a2)

#define	CMP_PORT(p1, p2) ((p1) == (p2))

#define	IP_GET_RAW_VER(pkt) ((((pkt)[0] & 0xf0) >> 4))

#define	PKT_IS_TCP(p) (((p)->tcph != NULL))

#define	PKT_IS_UDP(p) (((p)->udph != NULL))

#define	PKT_IS_ICMPV4(p) (((p)->icmpv4h != NULL))

#define	PKT_IS_ICMPV6(p) (((p)->icmpv6h != NULL))

#define	PKT_IS_TOSERVER(p) (((p)->flowflags & FLOW_PKT_TOSERVER))

#define	PKT_IS_TOCLIENT(p) (((p)->flowflags & FLOW_PKT_TOCLIENT))

#define	PACKET_ALERT_FLAG_APPLY_ACTION_TO_FLOW BIT_U8(0)

#define	PACKET_ALERT_FLAG_STATE_MATCH BIT_U8(1)

#define	PACKET_ALERT_FLAG_STREAM_MATCH BIT_U8(2)

#define	PACKET_ALERT_FLAG_TX BIT_U8(3)

#define	PACKET_ALERT_FLAG_RATE_FILTER_MODIFIED BIT_U8(4)

#define	PACKET_ALERT_FLAG_FRAME BIT_U8(5)

#define	PACKET_ALERT_FLAG_TX_GUESSED BIT_U8(6)

#define	PACKET_ALERT_FLAG_APPLY_ACTION_TO_PACKET BIT_U8(7)

#define	PACKET_ALERT_MAX 15

#define	PACKET_ENGINE_EVENT_MAX 15

#define	DEFAULT_MTU 1500

#define	MINIMUM_MTU 68

#define	DEFAULT_PACKET_SIZE (DEFAULT_MTU + ETHERNET_HEADER_LEN)

#define	MAX_PAYLOAD_SIZE (IPV6_HEADER_LEN + 65536 + 28)

#define	SIZE_OF_PACKET (default_packet_size + sizeof(Packet))

#define	PACKET_CLEAR_L4VARS(p)

#define	PACKET_FREE_EXTDATA(p)

#define	TUNNEL_INCR_PKT_RTV_NOLOCK(p)

#define	TUNNEL_PKT_RTV(p) ((p)->root ? (p)->root->tunnel_rtv_cnt : (p)->tunnel_rtv_cnt)

#define	TUNNEL_PKT_TPR(p) ((p)->root ? (p)->root->tunnel_tpr_cnt : (p)->tunnel_tpr_cnt)

#define	ENGINE_SET_EVENT(p, e)

#define	ENGINE_SET_INVALID_EVENT(p, e)

#define	ENGINE_ISSET_EVENT(p, e)

#define	IPPROTO_IPIP 4

#define	IPPROTO_DCCP 33

#define	IPPROTO_SCTP 132

#define	IPPROTO_MH 135

#define	IPPROTO_HIP 139

#define	IPPROTO_SHIM6 140

Data Structures

Macros