#include <sys/cdefs.h>
#include "opt_inet.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/sysctl.h>
#include <sys/syslog.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_types.h>
#include <net/route.h>
#include <net/route/route_ctl.h>
#include <net/route/nhop.h>
#include <net/vnet.h>
#include <netinet/in.h>
#include <netinet/in_fib.h>
#include <netinet/in_pcb.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip_var.h>
#include <netinet/ip_options.h>
#include <netinet/sctp.h>
#include <netinet/tcp.h>
#include <netinet/tcp_var.h>
#include <netinet/tcpip.h>
#include <netinet/icmp_var.h>

Include dependency graph for ip_icmp.c:

Data Structures
struct	icmp_rate

Macros
#define	V_icmplim VNET(icmplim)

#define	V_icmplim_output VNET(icmplim_output)

#define	V_icmp_rates VNET(icmp_rates)

Functions
	__FBSDID ("$FreeBSD$")

	VNET_DEFINE_STATIC (int, icmplim)

	SYSCTL_INT (_net_inet_icmp, ICMPCTL_ICMPLIM, icmplim, CTLFLAG_VNET\|CTLFLAG_RW, &VNET_NAME(icmplim), 0, "Maximum number of ICMP responses per second")

	VNET_DEFINE_STATIC (int, icmplim_output)

	SYSCTL_INT (_net_inet_icmp, OID_AUTO, icmplim_output, CTLFLAG_VNET\|CTLFLAG_RW, &VNET_NAME(icmplim_output), 0, "Enable logging of ICMP response rate limiting")

	VNET_DEFINE_STATIC (struct icmp_rate, icmp_rates[BANDLIM_MAX])

static void	icmp_bandlimit_init (void)

	VNET_SYSINIT (icmp_bandlimit, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY, icmp_bandlimit_init, NULL)

static void	icmp_bandlimit_uninit (void)

	VNET_SYSUNINIT (icmp_bandlimit, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, icmp_bandlimit_uninit, NULL)

int	badport_bandlim (int which)

Macro Definition Documentation

◆ V_icmp_rates

#define V_icmp_rates VNET(icmp_rates)

Definition at line 1090 of file ip_icmp.c.

◆ V_icmplim

#define V_icmplim VNET(icmplim)

Definition at line 86 of file ip_icmp.c.

◆ V_icmplim_output

#define V_icmplim_output VNET(icmplim_output)

Definition at line 92 of file ip_icmp.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ badport_bandlim()

int badport_bandlim ( int which )

Definition at line 1115 of file ip_icmp.c.

References BANDLIM_MAX, BANDLIM_UNLIMITED, V_icmp_rates, V_icmplim, and V_icmplim_output.

Referenced by sctp_common_input_processing(), and tcp_dropwithreset().

Here is the caller graph for this function:

◆ icmp_bandlimit_init()

static void icmp_bandlimit_init ( void )

static

Definition at line 1093 of file ip_icmp.c.

References BANDLIM_MAX, and V_icmp_rates.

◆ icmp_bandlimit_uninit()

static void icmp_bandlimit_uninit ( void )

static

Definition at line 1105 of file ip_icmp.c.

References BANDLIM_MAX, and V_icmp_rates.

◆ SYSCTL_INT() [1/2]

SYSCTL_INT	(	_net_inet_icmp	,
		ICMPCTL_ICMPLIM	,
		icmplim	,
		CTLFLAG_VNET\|	CTLFLAG_RW,
		&	VNET_NAMEicmplim,
		0	,
		"Maximum number of ICMP responses per second"
	)

◆ SYSCTL_INT() [2/2]

SYSCTL_INT	(	_net_inet_icmp	,
		OID_AUTO	,
		icmplim_output	,
		CTLFLAG_VNET\|	CTLFLAG_RW,
		&	VNET_NAMEicmplim_output,
		0	,
		"Enable logging of ICMP response rate limiting"
	)

◆ VNET_DEFINE_STATIC() [1/3]

VNET_DEFINE_STATIC	(	int	,
		icmplim
	)

◆ VNET_DEFINE_STATIC() [2/3]

VNET_DEFINE_STATIC	(	int	,
		icmplim_output
	)

◆ VNET_DEFINE_STATIC() [3/3]

VNET_DEFINE_STATIC	(	struct icmp_rate	,
		icmp_rates	[BANDLIM_MAX]
	)

◆ VNET_SYSINIT()

VNET_SYSINIT	(	icmp_bandlimit	,
		SI_SUB_PROTO_DOMAIN	,
		SI_ORDER_ANY	,
		icmp_bandlimit_init	,
		NULL
	)

◆ VNET_SYSUNINIT()

VNET_SYSUNINIT	(	icmp_bandlimit	,
		SI_SUB_PROTO_DOMAIN	,
		SI_ORDER_THIRD	,
		icmp_bandlimit_uninit	,
		NULL
	)

Data Structures

Macros

Functions