packet.h File Reference

#include "decode.h"

Include dependency graph for packet.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
void	PacketDrop (Packet *p, const uint8_t action, enum PacketDropReason r)
	issue drop action More...
bool	PacketCheckAction (const Packet *p, const uint8_t a)
void	PacketInit (Packet *p)
	Initialize a packet structure for use. More...
void	PacketReleaseRefs (Packet *p)
void	PacketReinit (Packet *p)
	Recycle a packet structure for reuse. More...
void	PacketRecycle (Packet *p)
void	PacketDestructor (Packet *p)
	Cleanup a packet so that we can free it. No memset needed.. More...

Function Documentation

PacketCheckAction()

bool PacketCheckAction	(	const Packet *	p,
		const uint8_t	a
	)

Definition at line 49 of file packet.c.

References Packet_::action, likely, and Packet_::root.

Referenced by AlertJsonHeader(), CaptureStatsUpdate(), EveAddVerdict(), RejectSendIPv4ICMP(), RejectSendIPv4TCP(), RejectSendIPv6ICMP(), and RejectSendIPv6TCP().

Here is the caller graph for this function:

PacketDestructor()

void PacketDestructor

(

Packet *

p

)

Cleanup a packet so that we can free it. No memset needed..

Definition at line 152 of file packet.c.

References PacketAlerts_::alerts, Packet_::alerts, Packet_::app_layer_events, AppLayerDecoderEventsFreeEvents(), PACKET_FREE_EXTDATA, PACKET_PROFILING_RESET, PacketAlertFree(), PacketReleaseRefs(), Packet_::persistent, Packet_::pktvar, PktVarFree(), SCSpinDestroy, and Packet_::tunnel_lock.

Referenced by PacketFree().

Here is the call graph for this function:

Here is the caller graph for this function:

PacketDrop()

void PacketDrop	(	Packet *	p,
		const uint8_t	action,
		enum PacketDropReason	r
	)

issue drop action

Set drop (+reject) flags in both current and root packet.

Parameters

action

action bit flags. Must be limited to ACTION_DROP_REJECT|ACTION_ALERT

Definition at line 33 of file packet.c.

References Packet_::action, ACTION_ALERT, ACTION_DROP_REJECT, DEBUG_VALIDATE_BUG_ON, Packet_::drop_reason, PKT_DROP_REASON_INNER_PACKET, PKT_DROP_REASON_NOT_SET, and Packet_::root.

Referenced by ExceptionPolicyParse().

Here is the caller graph for this function:

PacketInit()

void PacketInit

(

Packet *

p

)

Initialize a packet structure for use.

Definition at line 63 of file packet.c.

References PacketAlerts_::alerts, Packet_::alerts, Packet_::livedev, PacketAlertCreate(), Packet_::persistent, SCSpinInit, and Packet_::tunnel_lock.

Referenced by PacketGetFromAlloc().

Here is the call graph for this function:

Here is the caller graph for this function:

PacketRecycle()

void PacketRecycle

(

Packet *

p

)

Definition at line 143 of file packet.c.

References PacketReinit(), and PacketReleaseRefs().

Here is the call graph for this function:

PacketReinit()

void PacketReinit

(

Packet *

p

)

Recycle a packet structure for reuse.

Definition at line 80 of file packet.c.

References Packet_::app_update_direction, CLEAR_ADDR, Packet_::datalink, Packet_::dp, Packet_::drop_reason, Packet_::dst, Packet_::flags, Packet_::flowflags, PACKET_FREE_EXTDATA, PACKET_RESET_ACTION, PacketTunnelNone, Packet_::pkt_src, Packet_::pktvar, PktVarFree(), Packet_::proto, Packet_::recursion_level, SCTIME_INIT, Packet_::sp, Packet_::src, Packet_::ts, Packet_::ttype, Packet_::vlan_id, and Packet_::vlan_idx.

Referenced by PacketRecycle().

Here is the call graph for this function:

Here is the caller graph for this function:

PacketReleaseRefs()

void PacketReleaseRefs

(

Packet *

p

)

Definition at line 70 of file packet.c.

Referenced by PacketDestructor(), and PacketRecycle().

Here is the caller graph for this function: