route.c File Reference

#include <linux/module.h>
#include <asm/uaccess.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/errno.h>
#include <linux/in.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/inetdevice.h>
#include <linux/igmp.h>
#include <linux/pkt_sched.h>
#include <linux/mroute.h>
#include <linux/netfilter_ipv4.h>
#include <linux/random.h>
#include <linux/rcupdate.h>
#include <linux/times.h>
#include <linux/slab.h>
#include <net/dst.h>
#include <net/net_namespace.h>
#include <net/protocol.h>
#include <net/ip.h>
#include <net/route.h>
#include <net/inetpeer.h>
#include <net/sock.h>
#include <net/ip_fib.h>
#include <net/arp.h>
#include <net/tcp.h>
#include <net/icmp.h>
#include <net/xfrm.h>
#include <net/netevent.h>
#include <net/rtnetlink.h>
#include <net/secure_seq.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   "IPv4: " fmt
#define	RT_FL_TOS(oldflp4)   ((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))
#define	IP_MAX_MTU   0xFFF0
#define	RT_GC_TIMEOUT   (300*HZ)
#define	ECN_OR_COST(class)   TC_PRIO_##class
#define	RT_CACHE_STAT_INC(field)   __this_cpu_inc(rt_cache_stat.field)

Functions
	EXPORT_SYMBOL (ip_tos2prio)
void	rt_cache_flush (struct net *net)
void	__ip_select_ident (struct iphdr *iph, struct dst_entry *dst, int more)
	EXPORT_SYMBOL (__ip_select_ident)
void	ip_rt_send_redirect (struct sk_buff *skb)
void	ipv4_update_pmtu (struct sk_buff *skb, struct net *net, u32 mtu, int oif, u32 mark, u8 protocol, int flow_flags)
	EXPORT_SYMBOL_GPL (ipv4_update_pmtu)
void	ipv4_sk_update_pmtu (struct sk_buff *skb, struct sock *sk, u32 mtu)
	EXPORT_SYMBOL_GPL (ipv4_sk_update_pmtu)
void	ipv4_redirect (struct sk_buff *skb, struct net *net, int oif, u32 mark, u8 protocol, int flow_flags)
	EXPORT_SYMBOL_GPL (ipv4_redirect)
void	ipv4_sk_redirect (struct sk_buff *skb, struct sock *sk)
	EXPORT_SYMBOL_GPL (ipv4_sk_redirect)
void	ip_rt_get_source (u8 *addr, struct sk_buff *skb, struct rtable *rt)
void	rt_flush_dev (struct net_device *dev)
int	ip_route_input_noref (struct sk_buff *skb, __be32 daddr, __be32 saddr, u8 tos, struct net_device *dev)
	EXPORT_SYMBOL (ip_route_input_noref)
struct rtable *	__ip_route_output_key (struct net *net, struct flowi4 *fl4)
	EXPORT_SYMBOL_GPL (__ip_route_output_key)
struct dst_entry *	ipv4_blackhole_route (struct net *net, struct dst_entry *dst_orig)
struct rtable *	ip_route_output_flow (struct net *net, struct flowi4 *flp4, struct sock *sk)
	EXPORT_SYMBOL_GPL (ip_route_output_flow)
int	ip_rt_dump (struct sk_buff *skb, struct netlink_callback *cb)
void	ip_rt_multicast_event (struct in_device *in_dev)
int __init	ip_rt_init (void)

Variables
const __u8	ip_tos2prio [16]

Macro Definition Documentation

#define ECN_OR_COST

(

class

)

TC_PRIO_##class

Definition at line 180 of file route.c.

#define IP_MAX_MTU   0xFFF0

Definition at line 115 of file route.c.

#define pr_fmt

(

fmt

)

"IPv4: " fmt

Definition at line 65 of file route.c.

#define RT_CACHE_STAT_INC

(

field

)

__this_cpu_inc(rt_cache_stat.field)

Definition at line 203 of file route.c.

#define RT_FL_TOS

(

oldflp4

)

((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))

Definition at line 112 of file route.c.

#define RT_GC_TIMEOUT   (300*HZ)

Definition at line 117 of file route.c.

Function Documentation

struct rtable* __ip_route_output_key ( struct net *  net, struct flowi4 *  fl4  )

read

Definition at line 1883 of file route.c.

void __ip_select_ident	(	struct iphdr *	iph,
		struct dst_entry *	dst,
		int	more
	)

Definition at line 491 of file route.c.

EXPORT_SYMBOL

(

ip_tos2prio

)

EXPORT_SYMBOL

(

__ip_select_ident

)

EXPORT_SYMBOL

(

ip_route_input_noref

)

EXPORT_SYMBOL_GPL

(

ipv4_update_pmtu

)

EXPORT_SYMBOL_GPL

(

ipv4_sk_update_pmtu

)

EXPORT_SYMBOL_GPL

(

ipv4_redirect

)

EXPORT_SYMBOL_GPL

(

ipv4_sk_redirect

)

EXPORT_SYMBOL_GPL

(

__ip_route_output_key

)

EXPORT_SYMBOL_GPL

(

ip_route_output_flow

)

int ip_route_input_noref	(	struct sk_buff *	skb,
		__be32	daddr,
		__be32	saddr,
		u8	tos,
		struct net_device *	dev
	)

Definition at line 1711 of file route.c.

struct rtable* ip_route_output_flow ( struct net *  net, struct flowi4 *  flp4, struct sock *  sk  )

read

Definition at line 2141 of file route.c.

int ip_rt_dump	(	struct sk_buff *	skb,
		struct netlink_callback *	cb
	)

Definition at line 2346 of file route.c.

void ip_rt_get_source	(	u8 *	addr,
		struct sk_buff *	skb,
		struct rtable *	rt
	)

Definition at line 1059 of file route.c.

int __init ip_rt_init

(

void

)

Definition at line 2571 of file route.c.

void ip_rt_multicast_event

(

struct in_device *

in_dev

)

Definition at line 2351 of file route.c.

void ip_rt_send_redirect

(

struct sk_buff *

skb

)

Definition at line 785 of file route.c.

struct dst_entry* ipv4_blackhole_route ( struct net *  net, struct dst_entry *  dst_orig  )

read

Definition at line 2104 of file route.c.

void ipv4_redirect	(	struct sk_buff *	skb,
		struct net *	net,
		int	oif,
		u32	mark,
		u8	protocol,
		int	flow_flags
	)

Definition at line 980 of file route.c.

void ipv4_sk_redirect	(	struct sk_buff *	skb,
		struct sock *	sk
	)

Definition at line 997 of file route.c.

void ipv4_sk_update_pmtu	(	struct sk_buff *	skb,
		struct sock *	sk,
		u32	mtu
	)

Definition at line 965 of file route.c.

void ipv4_update_pmtu	(	struct sk_buff *	skb,
		struct net *	net,
		u32	mtu,
		int	oif,
		u32	mark,
		u8	protocol,
		int	flow_flags
	)

Definition at line 948 of file route.c.

void rt_cache_flush

(

struct net *

net

)

Definition at line 445 of file route.c.

void rt_flush_dev

(

struct net_device *

dev

)

Definition at line 1243 of file route.c.

Variable Documentation

const __u8 ip_tos2prio[16]

Initial value:

= {
    TC_PRIO_BESTEFFORT,
    ECN_OR_COST(BESTEFFORT),
    TC_PRIO_BESTEFFORT,
    ECN_OR_COST(BESTEFFORT),
    TC_PRIO_BULK,
    ECN_OR_COST(BULK),
    TC_PRIO_BULK,
    ECN_OR_COST(BULK),
    TC_PRIO_INTERACTIVE,
    ECN_OR_COST(INTERACTIVE),
    TC_PRIO_INTERACTIVE,
    ECN_OR_COST(INTERACTIVE),
    TC_PRIO_INTERACTIVE_BULK,
    ECN_OR_COST(INTERACTIVE_BULK),
    TC_PRIO_INTERACTIVE_BULK,

}

Definition at line 182 of file route.c.