ip_options.h File Reference

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Data Structures
struct	ipoptrt
struct	ipopt_tag

Macros
#define	V_ip_doopts   VNET(ip_doopts)

Functions
	VNET_DECLARE (int, ip_doopts)
int	ip_checkrouteralert (struct mbuf *)
int	ip_dooptions (struct mbuf *, int)
struct mbuf *	ip_insertoptions (struct mbuf *, struct mbuf *, int *)
int	ip_optcopy (struct ip *, struct ip *)
int	ip_pcbopts (struct inpcb *, int, struct mbuf *)
void	ip_stripoptions (struct mbuf *)
struct mbuf *	ip_srcroute (struct mbuf *)

Macro Definition Documentation

V_ip_doopts

#define V_ip_doopts   VNET(ip_doopts)

Definition at line 53 of file ip_options.h.

Function Documentation

ip_checkrouteralert()

int ip_checkrouteralert

(

struct mbuf *

m

)

Definition at line 718 of file ip_options.c.

References ip::ip_hl, IPOPT_EOL, IPOPT_NOP, IPOPT_OFFSET, IPOPT_OLEN, IPOPT_OPTVAL, and IPOPT_RA.

Referenced by igmp_input().

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ip_dooptions()

int ip_dooptions	(	struct mbuf *	m,
		int	pass
	)

Definition at line 103 of file ip_options.c.

References fib4_lookup(), IA_SIN, icmp_error(), ICMP_PARAMPROB, ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB, ICMP_UNREACH_HOST, ICMP_UNREACH_SRCFAIL, INA, inet_ntoa_r(), ip::ip_dst, ip_forward(), ip::ip_hl, IPOPT_EOL, IPOPT_LSRR, IPOPT_MINOFF, IPOPT_NOP, IPOPT_OFFSET, IPOPT_OLEN, IPOPT_OPTVAL, IPOPT_RR, IPOPT_SSRR, IPOPT_TS, IPOPT_TS_PRESPEC, IPOPT_TS_TSANDADDR, IPOPT_TS_TSONLY, IPSTAT_INC, iptime(), in_addr::s_addr, SA, save_rte(), sockaddr_in::sin_addr, V_ip_acceptsourceroute, V_ip_doopts, V_ip_dosourceroute, and V_ipforwarding.

Referenced by ip_input().

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ip_insertoptions()

struct mbuf * ip_insertoptions	(	struct mbuf *	m,
		struct mbuf *	opt,
		int *	phlen
	)

Definition at line 507 of file ip_options.c.

References ip::ip_dst, ip::ip_hl, ip::ip_len, IP_MAXPACKET, ip::ip_v, ipoption::ipopt_dst, ipoption::ipopt_list, IPVERSION, and in_addr::s_addr.

Referenced by ip_output().

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ip_optcopy()

int ip_optcopy	(	struct ip *	ip,
		struct ip *	jp
	)

Definition at line 557 of file ip_options.c.

References ip::ip_hl, IPOPT_COPIED, IPOPT_EOL, IPOPT_NOP, and IPOPT_OLEN.

Referenced by ip_fragment().

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ip_pcbopts()

int ip_pcbopts	(	struct inpcb *	inp,
		int	optname,
		struct mbuf *	m
	)

Definition at line 601 of file ip_options.c.

References inpcb::inp_options, INP_WLOCK_ASSERT, IPOPT_EOL, IPOPT_LSRR, IPOPT_MINOFF, IPOPT_NOP, IPOPT_OFFSET, IPOPT_OLEN, IPOPT_OPTVAL, IPOPT_SSRR, and MAX_IPOPTLEN.

Referenced by ip_ctloutput().

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ip_srcroute()

struct mbuf * ip_srcroute

(

struct mbuf *

m0

)

Definition at line 426 of file ip_options.c.

References ipoptrt::dst, ipopt_tag::ip_nhops, ipopt_tag::ip_srcrt, IPOPT_MINOFF, IPOPT_NOP, IPOPT_OFFSET, ipoptrt::nop, OPTSIZ, ipoptrt::route, and ipoptrt::srcopt.

Referenced by ip_savecontrol(), syncache_add(), and syncache_socket().

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ip_stripoptions()

void ip_stripoptions

(

struct mbuf *

m

)

Definition at line 483 of file ip_options.c.

References ip::ip_hl, and ip::ip_len.

Referenced by tcp_input_with_port().

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VNET_DECLARE()

VNET_DECLARE	(	int	,
		ip_doopts
	)