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24 #ifndef SURICATA_DECODE_H
25 #define SURICATA_DECODE_H
80 #ifdef HAVE_PF_RING_FLOW_OFFLOAD
104 struct DetectionEngineThreadCtx_;
126 #define addr_data32 address.address_un_data32
127 #define addr_data16 address.address_un_data16
128 #define addr_data8 address.address_un_data8
129 #define addr_in6addr address.address_un_in6
131 #define COPY_ADDRESS(a, b) do { \
132 (b)->family = (a)->family; \
133 (b)->addr_data32[0] = (a)->addr_data32[0]; \
134 (b)->addr_data32[1] = (a)->addr_data32[1]; \
135 (b)->addr_data32[2] = (a)->addr_data32[2]; \
136 (b)->addr_data32[3] = (a)->addr_data32[3]; \
144 #define SET_IPV4_SRC_ADDR(p, a) do { \
145 (a)->family = AF_INET; \
146 (a)->addr_data32[0] = (uint32_t)(p)->ip4h->s_ip_src.s_addr; \
147 (a)->addr_data32[1] = 0; \
148 (a)->addr_data32[2] = 0; \
149 (a)->addr_data32[3] = 0; \
152 #define SET_IPV4_DST_ADDR(p, a) do { \
153 (a)->family = AF_INET; \
154 (a)->addr_data32[0] = (uint32_t)(p)->ip4h->s_ip_dst.s_addr; \
155 (a)->addr_data32[1] = 0; \
156 (a)->addr_data32[2] = 0; \
157 (a)->addr_data32[3] = 0; \
162 #define SET_IPV6_SRC_ADDR(p, a) do { \
163 (a)->family = AF_INET6; \
164 (a)->addr_data32[0] = (p)->ip6h->s_ip6_src[0]; \
165 (a)->addr_data32[1] = (p)->ip6h->s_ip6_src[1]; \
166 (a)->addr_data32[2] = (p)->ip6h->s_ip6_src[2]; \
167 (a)->addr_data32[3] = (p)->ip6h->s_ip6_src[3]; \
170 #define SET_IPV6_DST_ADDR(p, a) do { \
171 (a)->family = AF_INET6; \
172 (a)->addr_data32[0] = (p)->ip6h->s_ip6_dst[0]; \
173 (a)->addr_data32[1] = (p)->ip6h->s_ip6_dst[1]; \
174 (a)->addr_data32[2] = (p)->ip6h->s_ip6_dst[2]; \
175 (a)->addr_data32[3] = (p)->ip6h->s_ip6_dst[3]; \
180 #define SET_TCP_SRC_PORT(pkt, prt) do { \
181 SET_PORT(TCP_GET_SRC_PORT((pkt)), *(prt)); \
184 #define SET_TCP_DST_PORT(pkt, prt) do { \
185 SET_PORT(TCP_GET_DST_PORT((pkt)), *(prt)); \
190 #define SET_UDP_SRC_PORT(pkt, prt) do { \
191 SET_PORT(UDP_GET_SRC_PORT((pkt)), *(prt)); \
193 #define SET_UDP_DST_PORT(pkt, prt) do { \
194 SET_PORT(UDP_GET_DST_PORT((pkt)), *(prt)); \
199 #define SET_SCTP_SRC_PORT(pkt, prt) do { \
200 SET_PORT(SCTP_GET_SRC_PORT((pkt)), *(prt)); \
203 #define SET_SCTP_DST_PORT(pkt, prt) do { \
204 SET_PORT(SCTP_GET_DST_PORT((pkt)), *(prt)); \
208 #define GET_IPV4_SRC_ADDR_U32(p) ((p)->src.addr_data32[0])
209 #define GET_IPV4_DST_ADDR_U32(p) ((p)->dst.addr_data32[0])
210 #define GET_IPV4_SRC_ADDR_PTR(p) ((p)->src.addr_data32)
211 #define GET_IPV4_DST_ADDR_PTR(p) ((p)->dst.addr_data32)
213 #define GET_IPV6_SRC_IN6ADDR(p) ((p)->src.addr_in6addr)
214 #define GET_IPV6_DST_IN6ADDR(p) ((p)->dst.addr_in6addr)
215 #define GET_IPV6_SRC_ADDR(p) ((p)->src.addr_data32)
216 #define GET_IPV6_DST_ADDR(p) ((p)->dst.addr_data32)
217 #define GET_TCP_SRC_PORT(p) ((p)->sp)
218 #define GET_TCP_DST_PORT(p) ((p)->dp)
220 #define GET_PKT_LEN(p) (p)->pktlen
221 #define GET_PKT_DATA(p) (((p)->ext_pkt == NULL) ? GET_PKT_DIRECT_DATA(p) : (p)->ext_pkt)
222 #define GET_PKT_DIRECT_DATA(p) (p)->pkt_data
223 #define GET_PKT_DIRECT_MAX_SIZE(p) (default_packet_size)
225 #define SET_PKT_LEN(p, len) do { \
226 (p)->pktlen = (len); \
231 #define SET_PORT(v, p) ((p) = (v))
232 #define COPY_PORT(a,b) ((b) = (a))
234 #define CMP_ADDR(a1, a2) \
235 (((a1)->addr_data32[3] == (a2)->addr_data32[3] && \
236 (a1)->addr_data32[2] == (a2)->addr_data32[2] && \
237 (a1)->addr_data32[1] == (a2)->addr_data32[1] && \
238 (a1)->addr_data32[0] == (a2)->addr_data32[0]))
239 #define CMP_PORT(p1, p2) \
244 #define IP_GET_RAW_VER(pkt) ((((pkt)[0] & 0xf0) >> 4))
246 #define PKT_IS_IPV4(p) (((p)->ip4h != NULL))
247 #define PKT_IS_IPV6(p) (((p)->ip6h != NULL))
248 #define PKT_IS_TCP(p) (((p)->tcph != NULL))
249 #define PKT_IS_UDP(p) (((p)->udph != NULL))
250 #define PKT_IS_ICMPV4(p) (((p)->icmpv4h != NULL))
251 #define PKT_IS_ICMPV6(p) (((p)->icmpv6h != NULL))
252 #define PKT_IS_TOSERVER(p) (((p)->flowflags & FLOW_PKT_TOSERVER))
253 #define PKT_IS_TOCLIENT(p) (((p)->flowflags & FLOW_PKT_TOCLIENT))
255 #define IPH_IS_VALID(p) (PKT_IS_IPV4((p)) || PKT_IS_IPV6((p)))
258 #define IP_GET_IPPROTO(p) \
259 (p->proto ? p->proto : \
260 (PKT_IS_IPV4((p))? IPV4_GET_IPPROTO((p)) : (PKT_IS_IPV6((p))? IPV6_GET_L4PROTO((p)) : 0)))
274 #define PACKET_ALERT_FLAG_APPLY_ACTION_TO_FLOW 0x1
276 #define PACKET_ALERT_FLAG_STATE_MATCH 0x02
278 #define PACKET_ALERT_FLAG_STREAM_MATCH 0x04
280 #define PACKET_ALERT_FLAG_TX 0x08
282 #define PACKET_ALERT_RATE_FILTER_MODIFIED 0x10
284 #define PACKET_ALERT_FLAG_FRAME 0x20
287 #define PACKET_ALERT_MAX 15
305 #define PACKET_ENGINE_EVENT_MAX 15
330 #ifdef PROFILE_LOCKING
505 #ifdef HAVE_PF_RING_FLOW_OFFLOAD
510 WinDivertPacketVars windivert_v;
563 #define tcpvars l4vars.tcpvars
564 #define icmpv4vars l4vars.icmpv4vars
565 #define icmpv6vars l4vars.icmpv6vars
674 #define DEFAULT_MTU 1500
675 #define MINIMUM_MTU 68
677 #define DEFAULT_PACKET_SIZE (DEFAULT_MTU + ETHERNET_HEADER_LEN)
679 #define MAX_PAYLOAD_SIZE (IPV6_HEADER_LEN + 65536 + 28)
681 #define SIZE_OF_PACKET (default_packet_size + sizeof(Packet))
776 #define PACKET_CLEAR_L4VARS(p) do { \
777 memset(&(p)->l4vars, 0x00, sizeof((p)->l4vars)); \
783 #define PACKET_RESET_CHECKSUMS(p) do { \
784 (p)->level3_comp_csum = -1; \
785 (p)->level4_comp_csum = -1; \
789 #define PACKET_FREE_EXTDATA(p) do { \
790 if ((p)->ext_pkt) { \
791 if (!((p)->flags & PKT_ZERO_COPY)) { \
792 SCFree((p)->ext_pkt); \
794 (p)->ext_pkt = NULL; \
798 #define TUNNEL_INCR_PKT_RTV_NOLOCK(p) do { \
799 ((p)->root ? (p)->root->tunnel_rtv_cnt++ : (p)->tunnel_rtv_cnt++); \
802 static inline void TUNNEL_INCR_PKT_TPR(
Packet *p)
810 #define TUNNEL_PKT_RTV(p) ((p)->root ? (p)->root->tunnel_rtv_cnt : (p)->tunnel_rtv_cnt)
811 #define TUNNEL_PKT_TPR(p) ((p)->root ? (p)->root->tunnel_tpr_cnt : (p)->tunnel_tpr_cnt)
813 static inline bool PacketTunnelIsVerdicted(
const Packet *p)
817 static inline void PacketTunnelSetVerdicted(
Packet *p)
892 uint16_t hdrextlen, uint16_t plen,
893 uint16_t prev_hdrextlen);
899 const uint8_t *pkt, uint32_t
len);
904 #define ENGINE_SET_EVENT(p, e) do { \
905 SCLogDebug("p %p event %d", (p), e); \
906 if ((p)->events.cnt < PACKET_ENGINE_EVENT_MAX) { \
907 (p)->events.events[(p)->events.cnt] = e; \
912 #define ENGINE_SET_INVALID_EVENT(p, e) do { \
913 p->flags |= PKT_IS_INVALID; \
914 ENGINE_SET_EVENT(p, e); \
919 #define ENGINE_ISSET_EVENT(p, e) ({ \
922 for (u = 0; u < (p)->events.cnt; u++) { \
923 if ((p)->events.events[u] == (e)) { \
932 #define IPPROTO_IPIP 4
940 #define IPPROTO_DCCP 33
948 #define IPPROTO_SCTP 132
952 #define IPPROTO_MH 135
957 #define IPPROTO_HIP 139
960 #ifndef IPPROTO_SHIM6
961 #define IPPROTO_SHIM6 140
970 #define DLT_C_HDLC 104
988 #define LINKTYPE_NULL DLT_NULL
989 #define LINKTYPE_ETHERNET DLT_EN10MB
990 #define LINKTYPE_LINUX_SLL 113
991 #define LINKTYPE_PPP 9
992 #define LINKTYPE_RAW DLT_RAW
995 #define LINKTYPE_RAW2 101
996 #define LINKTYPE_IPV4 228
997 #define LINKTYPE_IPV6 229
998 #define LINKTYPE_GRE_OVER_IP 778
999 #define LINKTYPE_CISCO_HDLC DLT_C_HDLC
1000 #define PPP_OVER_GRE 11
1001 #define VLAN_OVER_GRE 13
1006 #define PKT_NOPACKET_INSPECTION BIT_U32(0)
1008 #define PKT_PPP_VJ_UCOMP BIT_U32(1)
1011 #define PKT_NOPAYLOAD_INSPECTION BIT_U32(2)
1015 #define PKT_HAS_TAG BIT_U32(4)
1017 #define PKT_STREAM_ADD BIT_U32(5)
1019 #define PKT_STREAM_EST BIT_U32(6)
1021 #define PKT_STREAM_EOF BIT_U32(7)
1022 #define PKT_HAS_FLOW BIT_U32(8)
1024 #define PKT_PSEUDO_STREAM_END BIT_U32(9)
1027 #define PKT_STREAM_MODIFIED BIT_U32(10)
1033 #define PKT_STREAM_NOPCAPLOG BIT_U32(12)
1038 #define PKT_IGNORE_CHECKSUM BIT_U32(15)
1040 #define PKT_ZERO_COPY BIT_U32(16)
1042 #define PKT_HOST_SRC_LOOKED_UP BIT_U32(17)
1043 #define PKT_HOST_DST_LOOKED_UP BIT_U32(18)
1046 #define PKT_IS_FRAGMENT BIT_U32(19)
1047 #define PKT_IS_INVALID BIT_U32(20)
1048 #define PKT_PROFILE BIT_U32(21)
1052 #define PKT_WANTS_FLOW BIT_U32(22)
1055 #define PKT_PROTO_DETECT_TS_DONE BIT_U32(23)
1056 #define PKT_PROTO_DETECT_TC_DONE BIT_U32(24)
1058 #define PKT_REBUILT_FRAGMENT \
1061 #define PKT_DETECT_HAS_STREAMDATA \
1064 #define PKT_PSEUDO_DETECTLOG_FLUSH BIT_U32(27)
1068 #define PKT_STREAM_NO_EVENTS BIT_U32(28)
1071 #define PKT_FIRST_ALERTS BIT_U32(29)
1072 #define PKT_FIRST_TAG BIT_U32(30)
1075 #define PKT_IS_PSEUDOPKT(p) \
1076 ((p)->flags & (PKT_PSEUDO_STREAM_END|PKT_PSEUDO_DETECTLOG_FLUSH))
1078 #define PKT_SET_SRC(p, src_val) ((p)->pkt_src = src_val)
1080 #define PKT_DEFAULT_MAX_DECODED_LAYERS 16
1083 static inline bool PacketIncreaseCheckLayers(
Packet *p)
1097 static inline void DecodeSetNoPayloadInspectionFlag(
Packet *p)
1106 static inline void DecodeSetNoPacketInspectionFlag(
Packet *p)
1111 static inline bool PacketIsTunnelRoot(
const Packet *p)
1116 static inline bool PacketIsTunnelChild(
const Packet *p)
1121 static inline bool PacketIsTunnel(
const Packet *p)
1126 static inline bool PacketIsNotTunnel(
const Packet *p)
1131 static inline bool VerdictTunnelPacketInternal(
const Packet *p)
1134 SCLogDebug(
"tunnel: outstanding %u", outstanding);
1137 if (PacketIsTunnelRoot(p) && !PacketTunnelIsVerdicted(p) && !outstanding) {
1141 }
else if (PacketIsTunnelChild(p) && outstanding == 1 && p->
root &&
1142 PacketTunnelIsVerdicted(p->
root)) {
1161 static inline bool VerdictTunnelPacket(
Packet *p)
1166 verdict = VerdictTunnelPacketInternal(p);
1172 const int datalink,
Packet *p,
const uint8_t *data,
const uint32_t
len)
1197 "%" PRId32
" not yet supported",
1206 const uint16_t
proto,
Packet *p,
const uint8_t *data,
const uint32_t
len)
1210 uint16_t ip_len = (
len < USHRT_MAX) ? (uint16_t)
len : (uint16_t)USHRT_MAX;
1215 uint16_t ip_len = (
len < USHRT_MAX) ? (uint16_t)
len : (uint16_t)USHRT_MAX;
#define ENGINE_SET_EVENT(p, e)
uint16_t counter_flow_get_used_eval_busy
@ PKT_DROP_REASON_DEFRAG_MEMCAP
@ PKT_DROP_REASON_DEFRAG_ERROR
uint16_t counter_defrag_ipv4_reassembled
thread_local uint64_t spin_lock_cnt
@ PKT_DROP_REASON_RULES_THRESHOLD
int DecodeIPV6(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
int DecodeERSPAN(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
ERSPAN Type II.
int DecodeGeneve(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
uint16_t counter_ethertype_unknown
uint16_t counter_flow_udp
@ VLAN_HEADER_TOO_MANY_LAYERS
struct Packet_::@31::@41 icmp_s
const struct Signature_ * s
uint16_t counter_flow_active
void StatsIncr(ThreadVars *tv, uint16_t id)
Increments the local counter.
@ CHECKSUM_VALIDATION_OFFLOAD
void PacketFreeOrRelease(Packet *p)
Return a packet to where it was allocated.
uint16_t counter_flow_icmp4
uint16_t counter_max_pkt_size
int PacketCopyData(Packet *p, const uint8_t *pktdata, uint32_t pktlen)
Copy data to Packet payload and set packet length.
void PacketBypassCallback(Packet *p)
int DecodeSCTP(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
struct Packet_::@40 persistent
uint16_t counter_avg_pkt_size
uint16_t address_un_data16[8]
PktProfilingPrefilterEngine * engines
int DecodePPP(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
struct in6_addr address_un_in6
@ PKT_DROP_REASON_STREAM_MEMCAP
@ PKT_DROP_REASON_FLOW_MEMCAP
void CaptureStatsSetup(ThreadVars *tv)
const char * PacketDropReasonToString(enum PacketDropReason r)
uint8_t events[PACKET_ENGINE_EVENT_MAX]
@ DECODE_TUNNEL_IPV6_TEREDO
int DecodeEthernet(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
thread_local uint64_t rwr_lock_cnt
void AddressDebugPrint(Address *)
Debug print function for printing addresses.
uint16_t counter_flow_spare_sync_avg
Packet * PacketDefragPktSetup(Packet *parent, const uint8_t *pkt, uint32_t len, uint8_t proto)
Setup a pseudo packet (reassembled frags)
simple fifo queue for packets with mutex and cond Calling the mutex or triggering the cond is respons...
#define ETHERNET_TYPE_IPV6
@ PKT_SRC_CAPTURE_TIMEOUT
int DecodeUDP(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
union Packet_::@39 l4vars
PacketAlert * PacketAlertCreate(void)
Initialize PacketAlerts with dynamic alerts array size.
struct PktProfilingDetectData_ PktProfilingDetectData
uint16_t counter_flow_get_used_eval
int(* DecoderFunc)(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len)
uint16_t counter_tcp_synack
@ CHECKSUM_VALIDATION_RXONLY
@ PKT_DROP_REASON_STREAM_REASSEMBLY
struct Packet_::@33::@42 icmp_d
#define LINKTYPE_LINUX_SLL
struct PktProfilingTmmData_ PktProfilingTmmData
Per TMM stats storage.
int PacketCopyDataOffset(Packet *p, uint32_t offset, const uint8_t *data, uint32_t datalen)
Copy data to Packet payload at given offset.
int DecodeVXLAN(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
void AppLayerDecoderEventsResetEvents(AppLayerDecoderEvents *events)
PPPOESessionHdr * pppoesh
struct DecodeThreadVars_ DecodeThreadVars
Structure to hold thread specific data for all decode modules.
int DecodeVNTag(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
@ CHECKSUM_VALIDATION_DISABLE
uint16_t counter_flow_tcp
@ CHECKSUM_VALIDATION_KERNEL
void PacketDecodeFinalize(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p)
Finalize decoding of a packet.
uint32_t address_un_data32[4]
#define PKT_NOPAYLOAD_INSPECTION
void PacketAlertGetMaxConfig(void)
int DecodeICMPV6(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Decode ICMPV6 packets and fill the Packet with the decoded info.
uint8_t decoder_max_layers
uint16_t counter_tcp_active_sessions
struct PacketAlert_ PacketAlert
struct PktProfilingLoggerData_ PktProfilingLoggerData
struct PktProfilingPrefilterEngine_ PktProfilingPrefilterEngine
int(* BypassPacketsFlow)(struct Packet_ *)
uint16_t counter_max_mac_addrs_src
PktProfilingAppData app[ALPROTO_MAX]
void DecodeUnregisterCounters(void)
thread_local uint64_t rww_lock_contention
uint16_t counter_flow_get_used
Data structure to store app layer decoder events.
AppLayerDecoderEvents * app_layer_events
PacketEngineEvents events
void PacketAlertFree(PacketAlert *pa)
#define ETHERNET_TYPE_8021QINQ
uint16_t counter_flow_spare_sync_empty
uint16_t counter_flow_tcp_reuse
int DecodeRaw(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
thread_local uint64_t rwr_lock_contention
uint16_t counter_flow_total
thread_local uint64_t spin_lock_wait_ticks
@ CHECKSUM_VALIDATION_ENABLE
void DecodeRegisterPerfCounters(DecodeThreadVars *, ThreadVars *)
uint16_t counter_flow_spare_sync
@ CHECKSUM_VALIDATION_AUTO
uint16_t counter_ipv6inipv6
#define TUNNEL_PKT_TPR(p)
uint16_t counter_flow_get_used_failed
#define ETHERNET_TYPE_8021AD
@ PKT_DROP_REASON_APPLAYER_ERROR
void PacketSwap(Packet *p)
switch direction of a packet
int DecodeMPLS(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
This is for the app layer in general and it contains per thread context relevant to both the alpd and...
@ PKT_DROP_REASON_NOT_SET
struct PktProfilingAppData_ PktProfilingAppData
void CaptureStatsUpdate(ThreadVars *tv, const Packet *p)
int DecodeTEMPLATE(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Function to decode TEMPLATE packets.
int DecodeVLAN(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
int DecodeESP(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
Function to decode IPSEC-ESP packets.
thread_local uint64_t rww_lock_cnt
int DecodeNSH(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Function to decode NSH packets.
Per thread variable structure.
thread_local uint64_t mutex_lock_contention
thread_local uint64_t spin_lock_contention
PktProfilingLoggerData logger[LOGGER_SIZE]
void PacketFree(Packet *p)
Return a malloced packet.
const char * PktSrcToString(enum PktSrcEnum pkt_src)
uint16_t counter_vlan_qinq
get the highest proto/next header field we know
#define LINKTYPE_GRE_OVER_IP
int DecodeSll(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
int PacketCallocExtPkt(Packet *p, int datalen)
union Address_::@30 address
void AppLayerDecoderEventsFreeEvents(AppLayerDecoderEvents **events)
#define ETHERNET_TYPE_MPLS_UNICAST
@ PKT_SRC_STREAM_TCP_DETECTLOG_FLUSH
#define ETHERNET_TYPE_PPPOE_DISC
AppLayerThreadCtx * app_tctx
uint8_t address_un_data8[16]
@ PKT_DROP_REASON_STREAM_ERROR
struct LiveDevice_ * livedev
#define ETHERNET_TYPE_VNTAG
uint16_t counter_ieee8021ah
thread_local uint64_t rww_lock_wait_ticks
int DecodeTCP(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
uint16_t counter_ipv4inipv6
#define ETHERNET_TYPE_NSH
#define ETHERNET_TYPE_DCE
thread_local uint64_t rwr_lock_wait_ticks
int DecodeNull(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
int DecodeIPV4(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint16_t)
ExceptionPolicyCounters counter_defrag_memcap_eps
struct PktProfilingPrefilterData_ PktProfilingPrefilterData
uint32_t default_packet_size
uint8_t nb_decoded_layers
PktProfilingDetectData detect[PROF_DETECT_SIZE]
void(* ReleasePacket)(struct Packet_ *)
int DecodeGRE(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Function to decode GRE packets.
@ PKT_DROP_REASON_INNER_PACKET
struct PktProfiling_ PktProfiling
Per pkt stats storage.
void DecodeThreadVarsFree(ThreadVars *, DecodeThreadVars *)
uint16_t counter_flow_spare_sync_incomplete
@ PKT_DROP_REASON_APPLAYER_MEMCAP
void DecodeGlobalConfig(void)
void DecodeIPV6FragHeader(Packet *p, const uint8_t *pkt, uint16_t hdrextlen, uint16_t plen, uint16_t prev_hdrextlen)
#define ETHERNET_TYPE_8021AH
uint16_t counter_flow_icmp6
@ PROFILE_FLOWWORKER_SIZE
#define ETHERNET_DCE_HEADER_LEN
struct PacketAlerts_ PacketAlerts
int DecodeICMPV4(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Main ICMPv4 decoding function.
uint8_t app_update_direction
@ PKT_DROP_REASON_NFQ_ERROR
uint16_t counter_defrag_ipv6_reassembled
@ GENERIC_TOO_MANY_LAYERS
enum PacketTunnelType ttype
void PacketUpdateEngineEventCounters(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p)
ExceptionPolicyCounters counter_flow_memcap_eps
Packet * PacketGetFromAlloc(void)
Get a malloced packet.
#define TUNNEL_PKT_RTV(p)
thread_local uint64_t mutex_lock_wait_ticks
#define SCLogError(...)
Macro used to log ERROR messages.
@ PKT_SRC_DETECT_RELOAD_FLUSH
struct PktProfilingData_ PktProfilingData
#define ETHERNET_TYPE_PPPOE_SESS
Structure to hold thread specific data for all decode modules.
#define PACKET_ENGINE_EVENT_MAX
PktProfilingTmmData tmm[TMM_SIZE]
void * output_flow_thread_data
#define ETHERNET_TYPE_ARP
uint16_t counter_max_mac_addrs_dst
PPPOEDiscoveryHdr * pppoedh
DecodeThreadVars * DecodeThreadVarsAlloc(ThreadVars *)
Alloc and setup DecodeThreadVars.
uint16_t counter_defrag_max_hit
int PacketSetData(Packet *p, const uint8_t *pktdata, uint32_t pktlen)
Set data for Packet and set length when zero copy is used.
uint16_t counter_vlan_qinqinq
#define VLAN_MAX_LAYER_IDX
#define LINKTYPE_CISCO_HDLC
#define ENGINE_SET_INVALID_EVENT(p, e)
uint16_t counter_flow_memcap
#define ETHERNET_TYPE_VLAN
uint16_t counter_defrag_ipv6_fragments
#define PKT_NOPACKET_INSPECTION
per packet AF_PACKET vars
struct PacketEngineEvents_ PacketEngineEvents
uint16_t packet_alert_max
uint16_t vlan_id[VLAN_MAX_LAYERS]
int DecodeIEEE8021ah(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
void PacketDefragPktSetupParent(Packet *parent)
inform defrag "parent" that a pseudo packet is now associated to it.
uint8_t plugin_v[PLUGIN_VAR_SIZE]
Packet * PacketTunnelPktSetup(ThreadVars *tv, DecodeThreadVars *dtv, Packet *parent, const uint8_t *pkt, uint32_t len, enum DecodeTunnelProto proto)
Setup a pseudo packet (tunnel)
PktProfilingData flowworker[PROFILE_FLOWWORKER_SIZE]
thread_local uint64_t mutex_lock_cnt
@ PKT_DROP_REASON_STREAM_MIDSTREAM
uint16_t counter_flow_get_used_eval_reject
int DecodePPPOESession(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Main decoding function for PPPOE Session packets.
#define ETHERNET_TYPE_MPLS_MULTICAST
Packet * PacketGetFromQueueOrAlloc(void)
Get a packet. We try to get a packet from the packetpool first, but if that is empty we alloc a packe...
@ PKT_DROP_REASON_FLOW_DROP
int DecodeERSPANTypeI(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
ERSPAN Type I.
int DecodeCHDLC(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
void DecodeUpdatePacketCounters(ThreadVars *tv, const DecodeThreadVars *dtv, const Packet *p)
uint16_t counter_engine_events[DECODE_EVENT_MAX]
#define LINKTYPE_ETHERNET
@ PKT_DROP_REASON_DECODE_ERROR
uint16_t counter_defrag_ipv4_fragments
int DecodePPPOEDiscovery(ThreadVars *, DecodeThreadVars *, Packet *, const uint8_t *, uint32_t)
Main decoding function for PPPOE Discovery packets.