ip_vs_xmit.c File Reference

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <net/ip.h>
#include <net/tcp.h>
#include <net/udp.h>
#include <net/icmp.h>
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
#include <net/addrconf.h>
#include <linux/icmpv6.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <net/ip_vs.h>

Go to the source code of this file.

Macros
#define	KMSG_COMPONENT   "IPVS"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	IP_VS_XMIT_TUNNEL(skb, cp)
#define	IP_VS_XMIT_NAT(pf, skb, cp, local)
#define	IP_VS_XMIT(pf, skb, cp, local)

Enumerations
enum	{   IP_VS_RT_MODE_LOCAL = 1, IP_VS_RT_MODE_NON_LOCAL = 2, IP_VS_RT_MODE_RDR = 4, IP_VS_RT_MODE_CONNECT = 8,   IP_VS_RT_MODE_KNOWN_NH = 16 }

Functions
void	ip_vs_dst_reset (struct ip_vs_dest *dest)
int	ip_vs_null_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
int	ip_vs_bypass_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
int	ip_vs_nat_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
int	ip_vs_tunnel_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
int	ip_vs_dr_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
int	ip_vs_icmp_xmit (struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp, int offset, unsigned int hooknum)

Macro Definition Documentation

#define IP_VS_XMIT	(		pf,
			skb,
			cp,
			local
	)

Value:

do {                            \
    (skb)->ipvs_property = 1;           \
    if (likely(!((cp)->flags & IP_VS_CONN_F_NFCT))) \
        ip_vs_notrack(skb);         \
    if (local)                  \
        return NF_ACCEPT;           \
    skb_forward_csum(skb);              \
    NF_HOOK(pf, NF_INET_LOCAL_OUT, (skb), NULL, \
        skb_dst(skb)->dev, dst_output);     \
} while (0)

Definition at line 412 of file ip_vs_xmit.c.

#define IP_VS_XMIT_NAT	(		pf,
			skb,
			cp,
			local
	)

Value:

do {                            \
    (skb)->ipvs_property = 1;           \
    if (likely(!((cp)->flags & IP_VS_CONN_F_NFCT))) \
        ip_vs_notrack(skb);         \
	else						\
		ip_vs_update_conntrack(skb, cp, 1);   \
    if (local)                  \
        return NF_ACCEPT;           \
    skb_forward_csum(skb);              \
    NF_HOOK(pf, NF_INET_LOCAL_OUT, (skb), NULL, \
        skb_dst(skb)->dev, dst_output);     \
} while (0)

Definition at line 398 of file ip_vs_xmit.c.

#define IP_VS_XMIT_TUNNEL	(		skb,
			cp
	)

Value:

({                              \
    int __ret = NF_ACCEPT;                  \
                                \
    (skb)->ipvs_property = 1;               \
    if (unlikely((cp)->flags & IP_VS_CONN_F_NFCT))      \
        __ret = ip_vs_confirm_conntrack(skb);       \
    if (__ret == NF_ACCEPT) {               \
        nf_reset(skb);                  \
        skb_forward_csum(skb);              \
    }                           \
    __ret;                          \
})

Definition at line 384 of file ip_vs_xmit.c.

#define KMSG_COMPONENT   "IPVS"

Definition at line 26 of file ip_vs_xmit.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 27 of file ip_vs_xmit.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

IP_VS_RT_MODE_LOCAL
IP_VS_RT_MODE_NON_LOCAL
IP_VS_RT_MODE_RDR
IP_VS_RT_MODE_CONNECT
IP_VS_RT_MODE_KNOWN_NH

Definition at line 46 of file ip_vs_xmit.c.

Function Documentation

int ip_vs_bypass_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp
	)

Definition at line 443 of file ip_vs_xmit.c.

int ip_vs_dr_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp
	)

Definition at line 1055 of file ip_vs_xmit.c.

void ip_vs_dst_reset

(

struct ip_vs_dest *

dest

)

Definition at line 374 of file ip_vs_xmit.c.

int ip_vs_icmp_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp,
		int	offset,
		unsigned int	hooknum
	)

Definition at line 1185 of file ip_vs_xmit.c.

int ip_vs_nat_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp
	)

Definition at line 561 of file ip_vs_xmit.c.

int ip_vs_null_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp
	)

Definition at line 429 of file ip_vs_xmit.c.

int ip_vs_tunnel_xmit	(	struct sk_buff *	skb,
		struct ip_vs_conn *	cp,
		struct ip_vs_protocol *	pp
	)

Definition at line 814 of file ip_vs_xmit.c.