#include <net/dst.h>
#include <net/inetpeer.h>
#include <net/flow.h>
+#include <net/inet_sock.h>
#include <linux/in_route.h>
#include <linux/rtnetlink.h>
#include <linux/route.h>
#include <linux/ip.h>
#include <linux/cache.h>
+#include <linux/security.h>
#ifndef __KERNEL__
#warning This file is not supposed to be used outside of kernel.
struct fib_nh;
struct inet_peer;
-struct rtable
-{
- union
- {
+struct rtable {
+ union {
struct dst_entry dst;
- struct rtable *rt_next;
} u;
+ /* Cache lookup keys */
+ struct flowi fl;
+
struct in_device *idev;
+ int rt_genid;
unsigned rt_flags;
__u16 rt_type;
- __u16 rt_multipath_alg;
- __u32 rt_dst; /* Path destination */
- __u32 rt_src; /* Path source */
+ __be32 rt_dst; /* Path destination */
+ __be32 rt_src; /* Path source */
int rt_iif;
/* Info on neighbour */
- __u32 rt_gateway;
-
- /* Cache lookup keys */
- struct flowi fl;
+ __be32 rt_gateway;
/* Miscellaneous cached information */
- __u32 rt_spec_dst; /* RFC1122 specific destination */
+ __be32 rt_spec_dst; /* RFC1122 specific destination */
struct inet_peer *peer; /* long-living peer info */
};
-struct ip_rt_acct
-{
+struct ip_rt_acct {
__u32 o_bytes;
__u32 o_packets;
__u32 i_bytes;
__u32 i_packets;
};
-struct rt_cache_stat
-{
+struct rt_cache_stat {
unsigned int in_hit;
unsigned int in_slow_tot;
unsigned int in_slow_mc;
struct in_device;
extern int ip_rt_init(void);
-extern void ip_rt_redirect(u32 old_gw, u32 dst, u32 new_gw,
- u32 src, struct net_device *dev);
-extern void ip_rt_advice(struct rtable **rp, int advice);
-extern void rt_cache_flush(int how);
-extern int __ip_route_output_key(struct rtable **, const struct flowi *flp);
-extern int ip_route_output_key(struct rtable **, struct flowi *flp);
-extern int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
-extern int ip_route_input(struct sk_buff*, u32 dst, u32 src, u8 tos, struct net_device *devin);
-extern unsigned short ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mtu);
+extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
+ __be32 src, struct net_device *dev);
+extern void rt_cache_flush(struct net *net, int how);
+extern void rt_cache_flush_batch(void);
+extern int __ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp);
+extern int ip_route_output_key(struct net *, struct rtable **, struct flowi *flp);
+extern int ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
+extern int ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin);
+extern unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev);
extern void ip_rt_send_redirect(struct sk_buff *skb);
-extern unsigned inet_addr_type(u32 addr);
+extern unsigned inet_addr_type(struct net *net, __be32 addr);
+extern unsigned inet_dev_addr_type(struct net *net, const struct net_device *dev, __be32 addr);
extern void ip_rt_multicast_event(struct in_device *);
-extern int ip_rt_ioctl(unsigned int cmd, void __user *arg);
+extern int ip_rt_ioctl(struct net *, unsigned int cmd, void __user *arg);
extern void ip_rt_get_source(u8 *src, struct rtable *rt);
extern int ip_rt_dump(struct sk_buff *skb, struct netlink_callback *cb);
#define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
-extern __u8 ip_tos2prio[16];
+extern const __u8 ip_tos2prio[16];
static inline char rt_tos2priority(u8 tos)
{
return ip_tos2prio[IPTOS_TOS(tos)>>1];
}
-static inline int ip_route_connect(struct rtable **rp, u32 dst,
- u32 src, u32 tos, int oif, u8 protocol,
- u16 sport, u16 dport, struct sock *sk)
+static inline int ip_route_connect(struct rtable **rp, __be32 dst,
+ __be32 src, u32 tos, int oif, u8 protocol,
+ __be16 sport, __be16 dport, struct sock *sk,
+ int flags)
{
struct flowi fl = { .oif = oif,
+ .mark = sk->sk_mark,
.nl_u = { .ip4_u = { .daddr = dst,
.saddr = src,
.tos = tos } },
.dport = dport } } };
int err;
+ struct net *net = sock_net(sk);
+
+ if (inet_sk(sk)->transparent)
+ fl.flags |= FLOWI_FLAG_ANYSRC;
+
if (!dst || !src) {
- err = __ip_route_output_key(rp, &fl);
+ err = __ip_route_output_key(net, rp, &fl);
if (err)
return err;
fl.fl4_dst = (*rp)->rt_dst;
ip_rt_put(*rp);
*rp = NULL;
}
- return ip_route_output_flow(rp, &fl, sk, 0);
+ security_sk_classify_flow(sk, &fl);
+ return ip_route_output_flow(net, rp, &fl, sk, flags);
}
static inline int ip_route_newports(struct rtable **rp, u8 protocol,
- u16 sport, u16 dport, struct sock *sk)
+ __be16 sport, __be16 dport, struct sock *sk)
{
if (sport != (*rp)->fl.fl_ip_sport ||
dport != (*rp)->fl.fl_ip_dport) {
fl.proto = protocol;
ip_rt_put(*rp);
*rp = NULL;
- return ip_route_output_flow(rp, &fl, sk, 0);
+ security_sk_classify_flow(sk, &fl);
+ return ip_route_output_flow(sock_net(sk), rp, &fl, sk, 0);
}
return 0;
}
return rt->peer;
}
-extern ctl_table ipv4_route_table[];
+static inline int inet_iif(const struct sk_buff *skb)
+{
+ return skb_rtable(skb)->rt_iif;
+}
#endif /* _ROUTE_H */