*
* Version: @(#)route.h 1.0.4 05/27/93
*
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Fixes:
* Alan Cox : Reformatted. Added ip_rt_local()
#ifndef _ROUTE_H
#define _ROUTE_H
-#include <linux/config.h>
#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/vs_network.h>
+#include <linux/in.h>
#ifndef __KERNEL__
#warning This file is not supposed to be used outside of kernel.
/* RTO_CONN is not used (being alias for 0), but preserved not to break
* some modules referring to it. */
-#define RT_CONN_FLAGS(sk) (RT_TOS(inet_sk(sk)->tos) | sk->sk_localroute)
+#define RT_CONN_FLAGS(sk) (RT_TOS(inet_sk(sk)->tos) | sock_flag(sk, SOCK_LOCALROUTE))
+struct fib_nh;
struct inet_peer;
struct rtable
{
struct rtable *rt_next;
} u;
+ struct in_device *idev;
+
unsigned rt_flags;
- unsigned rt_type;
+ __u16 rt_type;
+ __u16 rt_multipath_alg;
__u32 rt_dst; /* Path destination */
__u32 rt_src; /* Path source */
/* Miscellaneous cached information */
__u32 rt_spec_dst; /* RFC1122 specific destination */
struct inet_peer *peer; /* long-living peer info */
-
-#ifdef CONFIG_IP_ROUTE_NAT
- __u32 rt_src_map;
- __u32 rt_dst_map;
-#endif
};
struct ip_rt_acct
unsigned int out_hlist_search;
};
-extern struct rt_cache_stat *rt_cache_stat;
-#define RT_CACHE_STAT_INC(field) \
- (per_cpu_ptr(rt_cache_stat, smp_processor_id())->field++)
-
extern struct ip_rt_acct *ip_rt_acct;
struct in_device;
extern int ip_rt_init(void);
extern void ip_rt_redirect(u32 old_gw, u32 dst, u32 new_gw,
- u32 src, u8 tos, struct net_device *dev);
+ 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 unsigned inet_addr_type(u32 addr);
extern void ip_rt_multicast_event(struct in_device *);
-extern int ip_rt_ioctl(unsigned int cmd, void *arg);
+extern int ip_rt_ioctl(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);
+struct in_ifaddr;
+extern void fib_add_ifaddr(struct in_ifaddr *);
+
static inline void ip_rt_put(struct rtable * rt)
{
if (rt)
return ip_tos2prio[IPTOS_TOS(tos)>>1];
}
+#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
+
+static inline int ip_find_src(struct nx_info *nxi, struct rtable **rp, struct flowi *fl)
+{
+ int err;
+ int i, n = nxi->nbipv4;
+ u32 ipv4root = nxi->ipv4[0];
+
+ if (ipv4root == 0)
+ return 0;
+
+ if (fl->fl4_src == 0) {
+ if (n > 1) {
+ u32 foundsrc;
+
+ err = __ip_route_output_key(rp, fl);
+ if (err) {
+ fl->fl4_src = ipv4root;
+ err = __ip_route_output_key(rp, fl);
+ }
+ if (err)
+ return err;
+
+ foundsrc = (*rp)->rt_src;
+ ip_rt_put(*rp);
+
+ for (i=0; i<n; i++){
+ u32 mask = nxi->mask[i];
+ u32 ipv4 = nxi->ipv4[i];
+ u32 net4 = ipv4 & mask;
+
+ if (foundsrc == ipv4) {
+ fl->fl4_src = ipv4;
+ break;
+ }
+ if (!fl->fl4_src && (foundsrc & mask) == net4)
+ fl->fl4_src = ipv4;
+ }
+ }
+ if (fl->fl4_src == 0)
+ fl->fl4_src = (fl->fl4_dst == IPI_LOOPBACK)
+ ? IPI_LOOPBACK : ipv4root;
+ } else {
+ for (i=0; i<n; i++) {
+ if (nxi->ipv4[i] == fl->fl4_src)
+ break;
+ }
+ if (i == n)
+ return -EPERM;
+ }
+ return 0;
+}
+
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)
.dport = dport } } };
int err;
- if (!dst || !src) {
+ struct nx_info *nx_info = current->nx_info;
+
+ if (sk)
+ nx_info = sk->sk_nx_info;
+ vxdprintk(VXD_CBIT(net, 4),
+ "ip_route_connect(%p) %p,%p;%lx",
+ sk, nx_info, sk->sk_socket,
+ (sk->sk_socket?sk->sk_socket->flags:0));
+
+ if (nx_info) {
+ err = ip_find_src(nx_info, rp, &fl);
+ if (err)
+ return err;
+ if (fl.fl4_dst == IPI_LOOPBACK && !vx_check(0, VX_ADMIN))
+ fl.fl4_dst = nx_info->ipv4[0];
+#ifdef CONFIG_VSERVER_REMAP_SADDR
+ if (fl.fl4_src == IPI_LOOPBACK && !vx_check(0, VX_ADMIN))
+ fl.fl4_src = nx_info->ipv4[0];
+#endif
+ }
+ if (!fl.fl4_dst || !fl.fl4_src) {
err = __ip_route_output_key(rp, &fl);
if (err)
return err;
return ip_route_output_flow(rp, &fl, sk, 0);
}
-static inline int ip_route_newports(struct rtable **rp, u16 sport, u16 dport,
- struct sock *sk)
+static inline int ip_route_newports(struct rtable **rp, u8 protocol,
+ u16 sport, u16 dport, struct sock *sk)
{
if (sport != (*rp)->fl.fl_ip_sport ||
dport != (*rp)->fl.fl_ip_dport) {
memcpy(&fl, &(*rp)->fl, sizeof(fl));
fl.fl_ip_sport = sport;
fl.fl_ip_dport = dport;
+ fl.proto = protocol;
ip_rt_put(*rp);
*rp = NULL;
return ip_route_output_flow(rp, &fl, sk, 0);
return rt->peer;
}
+extern ctl_table ipv4_route_table[];
+
#endif /* _ROUTE_H */
git://git.onelab.eu / linux-2.6.git / blobdiff